+++ /dev/null
-/*! *****************************************************************************
-Copyright (c) Microsoft Corporation. All rights reserved.
-Licensed under the Apache License, Version 2.0 (the "License"); you may not use
-this file except in compliance with the License. You may obtain a copy of the
-License at http://www.apache.org/licenses/LICENSE-2.0
-
-THIS CODE IS PROVIDED ON AN *AS IS* BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
-KIND, EITHER EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION ANY IMPLIED
-WARRANTIES OR CONDITIONS OF TITLE, FITNESS FOR A PARTICULAR PURPOSE,
-MERCHANTABLITY OR NON-INFRINGEMENT.
-
-See the Apache Version 2.0 License for specific language governing permissions
-and limitations under the License.
-***************************************************************************** */
-
-"use strict";
-var __spreadArrays = (this && this.__spreadArrays) || function () {
- for (var s = 0, i = 0, il = arguments.length; i < il; i++) s += arguments[i].length;
- for (var r = Array(s), k = 0, i = 0; i < il; i++)
- for (var a = arguments[i], j = 0, jl = a.length; j < jl; j++, k++)
- r[k] = a[j];
- return r;
-};
-var __assign = (this && this.__assign) || function () {
- __assign = Object.assign || function(t) {
- for (var s, i = 1, n = arguments.length; i < n; i++) {
- s = arguments[i];
- for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p))
- t[p] = s[p];
- }
- return t;
- };
- return __assign.apply(this, arguments);
-};
-var __generator = (this && this.__generator) || function (thisArg, body) {
- var _ = { label: 0, sent: function() { if (t[0] & 1) throw t[1]; return t[1]; }, trys: [], ops: [] }, f, y, t, g;
- return g = { next: verb(0), "throw": verb(1), "return": verb(2) }, typeof Symbol === "function" && (g[Symbol.iterator] = function() { return this; }), g;
- function verb(n) { return function (v) { return step([n, v]); }; }
- function step(op) {
- if (f) throw new TypeError("Generator is already executing.");
- while (_) try {
- if (f = 1, y && (t = op[0] & 2 ? y["return"] : op[0] ? y["throw"] || ((t = y["return"]) && t.call(y), 0) : y.next) && !(t = t.call(y, op[1])).done) return t;
- if (y = 0, t) op = [op[0] & 2, t.value];
- switch (op[0]) {
- case 0: case 1: t = op; break;
- case 4: _.label++; return { value: op[1], done: false };
- case 5: _.label++; y = op[1]; op = [0]; continue;
- case 7: op = _.ops.pop(); _.trys.pop(); continue;
- default:
- if (!(t = _.trys, t = t.length > 0 && t[t.length - 1]) && (op[0] === 6 || op[0] === 2)) { _ = 0; continue; }
- if (op[0] === 3 && (!t || (op[1] > t[0] && op[1] < t[3]))) { _.label = op[1]; break; }
- if (op[0] === 6 && _.label < t[1]) { _.label = t[1]; t = op; break; }
- if (t && _.label < t[2]) { _.label = t[2]; _.ops.push(op); break; }
- if (t[2]) _.ops.pop();
- _.trys.pop(); continue;
- }
- op = body.call(thisArg, _);
- } catch (e) { op = [6, e]; y = 0; } finally { f = t = 0; }
- if (op[0] & 5) throw op[1]; return { value: op[0] ? op[1] : void 0, done: true };
- }
-};
-var __makeTemplateObject = (this && this.__makeTemplateObject) || function (cooked, raw) {
- if (Object.defineProperty) { Object.defineProperty(cooked, "raw", { value: raw }); } else { cooked.raw = raw; }
- return cooked;
-};
-var __rest = (this && this.__rest) || function (s, e) {
- var t = {};
- for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p) && e.indexOf(p) < 0)
- t[p] = s[p];
- if (s != null && typeof Object.getOwnPropertySymbols === "function")
- for (var i = 0, p = Object.getOwnPropertySymbols(s); i < p.length; i++) {
- if (e.indexOf(p[i]) < 0 && Object.prototype.propertyIsEnumerable.call(s, p[i]))
- t[p[i]] = s[p[i]];
- }
- return t;
-};
-var __extends = (this && this.__extends) || (function () {
- var extendStatics = function (d, b) {
- extendStatics = Object.setPrototypeOf ||
- ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
- function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };
- return extendStatics(d, b);
- };
- return function (d, b) {
- extendStatics(d, b);
- function __() { this.constructor = d; }
- d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
- };
-})();
-/* @internal */
-var ts;
-(function (ts) {
- function createMapShim() {
- /** Create a MapLike with good performance. */
- function createDictionaryObject() {
- var map = Object.create(/*prototype*/ null); // eslint-disable-line no-null/no-null
- // Using 'delete' on an object causes V8 to put the object in dictionary mode.
- // This disables creation of hidden classes, which are expensive when an object is
- // constantly changing shape.
- map.__ = undefined;
- delete map.__;
- return map;
- }
- var MapIterator = /** @class */ (function () {
- function MapIterator(currentEntry, selector) {
- this.currentEntry = currentEntry;
- this.selector = selector;
- }
- MapIterator.prototype.next = function () {
- // Navigate to the next entry.
- while (this.currentEntry) {
- var skipNext = !!this.currentEntry.skipNext;
- this.currentEntry = this.currentEntry.nextEntry;
- if (!skipNext) {
- break;
- }
- }
- if (this.currentEntry) {
- return { value: this.selector(this.currentEntry.key, this.currentEntry.value), done: false };
- }
- else {
- return { value: undefined, done: true };
- }
- };
- return MapIterator;
- }());
- return /** @class */ (function () {
- function class_1() {
- this.data = createDictionaryObject();
- this.size = 0;
- // Create a first (stub) map entry that will not contain a key
- // and value but serves as starting point for iterators.
- this.firstEntry = {};
- // When the map is empty, the last entry is the same as the
- // first one.
- this.lastEntry = this.firstEntry;
- }
- class_1.prototype.get = function (key) {
- var entry = this.data[key];
- return entry && entry.value;
- };
- class_1.prototype.set = function (key, value) {
- if (!this.has(key)) {
- this.size++;
- // Create a new entry that will be appended at the
- // end of the linked list.
- var newEntry = {
- key: key,
- value: value
- };
- this.data[key] = newEntry;
- // Adjust the references.
- var previousLastEntry = this.lastEntry;
- previousLastEntry.nextEntry = newEntry;
- newEntry.previousEntry = previousLastEntry;
- this.lastEntry = newEntry;
- }
- else {
- this.data[key].value = value;
- }
- return this;
- };
- class_1.prototype.has = function (key) {
- // eslint-disable-next-line no-in-operator
- return key in this.data;
- };
- class_1.prototype.delete = function (key) {
- if (this.has(key)) {
- this.size--;
- var entry = this.data[key];
- delete this.data[key];
- // Adjust the linked list references of the neighbor entries.
- var previousEntry = entry.previousEntry;
- previousEntry.nextEntry = entry.nextEntry;
- if (entry.nextEntry) {
- entry.nextEntry.previousEntry = previousEntry;
- }
- // When the deleted entry was the last one, we need to
- // adjust the lastEntry reference.
- if (this.lastEntry === entry) {
- this.lastEntry = previousEntry;
- }
- // Adjust the forward reference of the deleted entry
- // in case an iterator still references it. This allows us
- // to throw away the entry, but when an active iterator
- // (which points to the current entry) continues, it will
- // navigate to the entry that originally came before the
- // current one and skip it.
- entry.previousEntry = undefined;
- entry.nextEntry = previousEntry;
- entry.skipNext = true;
- return true;
- }
- return false;
- };
- class_1.prototype.clear = function () {
- this.data = createDictionaryObject();
- this.size = 0;
- // Reset the linked list. Note that we must adjust the forward
- // references of the deleted entries to ensure iterators stuck
- // in the middle of the list don't continue with deleted entries,
- // but can continue with new entries added after the clear()
- // operation.
- var firstEntry = this.firstEntry;
- var currentEntry = firstEntry.nextEntry;
- while (currentEntry) {
- var nextEntry = currentEntry.nextEntry;
- currentEntry.previousEntry = undefined;
- currentEntry.nextEntry = firstEntry;
- currentEntry.skipNext = true;
- currentEntry = nextEntry;
- }
- firstEntry.nextEntry = undefined;
- this.lastEntry = firstEntry;
- };
- class_1.prototype.keys = function () {
- return new MapIterator(this.firstEntry, function (key) { return key; });
- };
- class_1.prototype.values = function () {
- return new MapIterator(this.firstEntry, function (_key, value) { return value; });
- };
- class_1.prototype.entries = function () {
- return new MapIterator(this.firstEntry, function (key, value) { return [key, value]; });
- };
- class_1.prototype.forEach = function (action) {
- var iterator = this.entries();
- while (true) {
- var iterResult = iterator.next();
- if (iterResult.done) {
- break;
- }
- var _a = iterResult.value, key = _a[0], value = _a[1];
- action(value, key);
- }
- };
- return class_1;
- }());
- }
- ts.createMapShim = createMapShim;
-})(ts || (ts = {}));
-var ts;
-(function (ts) {
- // WARNING: The script `configurePrerelease.ts` uses a regexp to parse out these values.
- // If changing the text in this section, be sure to test `configurePrerelease` too.
- ts.versionMajorMinor = "3.9";
- /** The version of the TypeScript compiler release */
- ts.version = "3.9.6";
- /**
- * Returns the native Map implementation if it is available and compatible (i.e. supports iteration).
- */
- /* @internal */
- function tryGetNativeMap() {
- // eslint-disable-next-line no-in-operator
- return typeof Map !== "undefined" && "entries" in Map.prototype ? Map : undefined;
- }
- ts.tryGetNativeMap = tryGetNativeMap;
- /* @internal */
- ts.Map = tryGetNativeMap() || (function () {
- // NOTE: createMapShim will be defined for typescriptServices.js but not for tsc.js, so we must test for it.
- if (typeof ts.createMapShim === "function") {
- return ts.createMapShim();
- }
- throw new Error("TypeScript requires an environment that provides a compatible native Map implementation.");
- })();
- /* @internal */
- var Comparison;
- (function (Comparison) {
- Comparison[Comparison["LessThan"] = -1] = "LessThan";
- Comparison[Comparison["EqualTo"] = 0] = "EqualTo";
- Comparison[Comparison["GreaterThan"] = 1] = "GreaterThan";
- })(Comparison = ts.Comparison || (ts.Comparison = {}));
-})(ts || (ts = {}));
-/* @internal */
-var ts;
-(function (ts) {
- ts.emptyArray = [];
- /** Create a new map. */
- function createMap() {
- return new ts.Map();
- }
- ts.createMap = createMap;
- /** Create a new map from an array of entries. */
- function createMapFromEntries(entries) {
- var map = createMap();
- for (var _i = 0, entries_1 = entries; _i < entries_1.length; _i++) {
- var _a = entries_1[_i], key = _a[0], value = _a[1];
- map.set(key, value);
- }
- return map;
- }
- ts.createMapFromEntries = createMapFromEntries;
- /** Create a new map from a template object is provided, the map will copy entries from it. */
- function createMapFromTemplate(template) {
- var map = new ts.Map();
- // Copies keys/values from template. Note that for..in will not throw if
- // template is undefined, and instead will just exit the loop.
- for (var key in template) {
- if (hasOwnProperty.call(template, key)) {
- map.set(key, template[key]);
- }
- }
- return map;
- }
- ts.createMapFromTemplate = createMapFromTemplate;
- function length(array) {
- return array ? array.length : 0;
- }
- ts.length = length;
- /**
- * Iterates through 'array' by index and performs the callback on each element of array until the callback
- * returns a truthy value, then returns that value.
- * If no such value is found, the callback is applied to each element of array and undefined is returned.
- */
- function forEach(array, callback) {
- if (array) {
- for (var i = 0; i < array.length; i++) {
- var result = callback(array[i], i);
- if (result) {
- return result;
- }
- }
- }
- return undefined;
- }
- ts.forEach = forEach;
- /**
- * Like `forEach`, but iterates in reverse order.
- */
- function forEachRight(array, callback) {
- if (array) {
- for (var i = array.length - 1; i >= 0; i--) {
- var result = callback(array[i], i);
- if (result) {
- return result;
- }
- }
- }
- return undefined;
- }
- ts.forEachRight = forEachRight;
- /** Like `forEach`, but suitable for use with numbers and strings (which may be falsy). */
- function firstDefined(array, callback) {
- if (array === undefined) {
- return undefined;
- }
- for (var i = 0; i < array.length; i++) {
- var result = callback(array[i], i);
- if (result !== undefined) {
- return result;
- }
- }
- return undefined;
- }
- ts.firstDefined = firstDefined;
- function firstDefinedIterator(iter, callback) {
- while (true) {
- var iterResult = iter.next();
- if (iterResult.done) {
- return undefined;
- }
- var result = callback(iterResult.value);
- if (result !== undefined) {
- return result;
- }
- }
- }
- ts.firstDefinedIterator = firstDefinedIterator;
- function zipWith(arrayA, arrayB, callback) {
- var result = [];
- ts.Debug.assertEqual(arrayA.length, arrayB.length);
- for (var i = 0; i < arrayA.length; i++) {
- result.push(callback(arrayA[i], arrayB[i], i));
- }
- return result;
- }
- ts.zipWith = zipWith;
- function zipToIterator(arrayA, arrayB) {
- ts.Debug.assertEqual(arrayA.length, arrayB.length);
- var i = 0;
- return {
- next: function () {
- if (i === arrayA.length) {
- return { value: undefined, done: true };
- }
- i++;
- return { value: [arrayA[i - 1], arrayB[i - 1]], done: false };
- }
- };
- }
- ts.zipToIterator = zipToIterator;
- function zipToMap(keys, values) {
- ts.Debug.assert(keys.length === values.length);
- var map = createMap();
- for (var i = 0; i < keys.length; ++i) {
- map.set(keys[i], values[i]);
- }
- return map;
- }
- ts.zipToMap = zipToMap;
- /**
- * Iterates through `array` by index and performs the callback on each element of array until the callback
- * returns a falsey value, then returns false.
- * If no such value is found, the callback is applied to each element of array and `true` is returned.
- */
- function every(array, callback) {
- if (array) {
- for (var i = 0; i < array.length; i++) {
- if (!callback(array[i], i)) {
- return false;
- }
- }
- }
- return true;
- }
- ts.every = every;
- function find(array, predicate) {
- for (var i = 0; i < array.length; i++) {
- var value = array[i];
- if (predicate(value, i)) {
- return value;
- }
- }
- return undefined;
- }
- ts.find = find;
- function findLast(array, predicate) {
- for (var i = array.length - 1; i >= 0; i--) {
- var value = array[i];
- if (predicate(value, i)) {
- return value;
- }
- }
- return undefined;
- }
- ts.findLast = findLast;
- /** Works like Array.prototype.findIndex, returning `-1` if no element satisfying the predicate is found. */
- function findIndex(array, predicate, startIndex) {
- for (var i = startIndex || 0; i < array.length; i++) {
- if (predicate(array[i], i)) {
- return i;
- }
- }
- return -1;
- }
- ts.findIndex = findIndex;
- function findLastIndex(array, predicate, startIndex) {
- for (var i = startIndex === undefined ? array.length - 1 : startIndex; i >= 0; i--) {
- if (predicate(array[i], i)) {
- return i;
- }
- }
- return -1;
- }
- ts.findLastIndex = findLastIndex;
- /**
- * Returns the first truthy result of `callback`, or else fails.
- * This is like `forEach`, but never returns undefined.
- */
- function findMap(array, callback) {
- for (var i = 0; i < array.length; i++) {
- var result = callback(array[i], i);
- if (result) {
- return result;
- }
- }
- return ts.Debug.fail();
- }
- ts.findMap = findMap;
- function contains(array, value, equalityComparer) {
- if (equalityComparer === void 0) { equalityComparer = equateValues; }
- if (array) {
- for (var _i = 0, array_1 = array; _i < array_1.length; _i++) {
- var v = array_1[_i];
- if (equalityComparer(v, value)) {
- return true;
- }
- }
- }
- return false;
- }
- ts.contains = contains;
- function arraysEqual(a, b, equalityComparer) {
- if (equalityComparer === void 0) { equalityComparer = equateValues; }
- return a.length === b.length && a.every(function (x, i) { return equalityComparer(x, b[i]); });
- }
- ts.arraysEqual = arraysEqual;
- function indexOfAnyCharCode(text, charCodes, start) {
- for (var i = start || 0; i < text.length; i++) {
- if (contains(charCodes, text.charCodeAt(i))) {
- return i;
- }
- }
- return -1;
- }
- ts.indexOfAnyCharCode = indexOfAnyCharCode;
- function countWhere(array, predicate) {
- var count = 0;
- if (array) {
- for (var i = 0; i < array.length; i++) {
- var v = array[i];
- if (predicate(v, i)) {
- count++;
- }
- }
- }
- return count;
- }
- ts.countWhere = countWhere;
- function filter(array, f) {
- if (array) {
- var len = array.length;
- var i = 0;
- while (i < len && f(array[i]))
- i++;
- if (i < len) {
- var result = array.slice(0, i);
- i++;
- while (i < len) {
- var item = array[i];
- if (f(item)) {
- result.push(item);
- }
- i++;
- }
- return result;
- }
- }
- return array;
- }
- ts.filter = filter;
- function filterMutate(array, f) {
- var outIndex = 0;
- for (var i = 0; i < array.length; i++) {
- if (f(array[i], i, array)) {
- array[outIndex] = array[i];
- outIndex++;
- }
- }
- array.length = outIndex;
- }
- ts.filterMutate = filterMutate;
- function clear(array) {
- array.length = 0;
- }
- ts.clear = clear;
- function map(array, f) {
- var result;
- if (array) {
- result = [];
- for (var i = 0; i < array.length; i++) {
- result.push(f(array[i], i));
- }
- }
- return result;
- }
- ts.map = map;
- function mapIterator(iter, mapFn) {
- return {
- next: function () {
- var iterRes = iter.next();
- return iterRes.done ? iterRes : { value: mapFn(iterRes.value), done: false };
- }
- };
- }
- ts.mapIterator = mapIterator;
- function sameMap(array, f) {
- if (array) {
- for (var i = 0; i < array.length; i++) {
- var item = array[i];
- var mapped = f(item, i);
- if (item !== mapped) {
- var result = array.slice(0, i);
- result.push(mapped);
- for (i++; i < array.length; i++) {
- result.push(f(array[i], i));
- }
- return result;
- }
- }
- }
- return array;
- }
- ts.sameMap = sameMap;
- /**
- * Flattens an array containing a mix of array or non-array elements.
- *
- * @param array The array to flatten.
- */
- function flatten(array) {
- var result = [];
- for (var _i = 0, array_2 = array; _i < array_2.length; _i++) {
- var v = array_2[_i];
- if (v) {
- if (isArray(v)) {
- addRange(result, v);
- }
- else {
- result.push(v);
- }
- }
- }
- return result;
- }
- ts.flatten = flatten;
- /**
- * Maps an array. If the mapped value is an array, it is spread into the result.
- *
- * @param array The array to map.
- * @param mapfn The callback used to map the result into one or more values.
- */
- function flatMap(array, mapfn) {
- var result;
- if (array) {
- for (var i = 0; i < array.length; i++) {
- var v = mapfn(array[i], i);
- if (v) {
- if (isArray(v)) {
- result = addRange(result, v);
- }
- else {
- result = append(result, v);
- }
- }
- }
- }
- return result || ts.emptyArray;
- }
- ts.flatMap = flatMap;
- function flatMapToMutable(array, mapfn) {
- var result = [];
- if (array) {
- for (var i = 0; i < array.length; i++) {
- var v = mapfn(array[i], i);
- if (v) {
- if (isArray(v)) {
- addRange(result, v);
- }
- else {
- result.push(v);
- }
- }
- }
- }
- return result;
- }
- ts.flatMapToMutable = flatMapToMutable;
- function flatMapIterator(iter, mapfn) {
- var first = iter.next();
- if (first.done) {
- return ts.emptyIterator;
- }
- var currentIter = getIterator(first.value);
- return {
- next: function () {
- while (true) {
- var currentRes = currentIter.next();
- if (!currentRes.done) {
- return currentRes;
- }
- var iterRes = iter.next();
- if (iterRes.done) {
- return iterRes;
- }
- currentIter = getIterator(iterRes.value);
- }
- },
- };
- function getIterator(x) {
- var res = mapfn(x);
- return res === undefined ? ts.emptyIterator : isArray(res) ? arrayIterator(res) : res;
- }
- }
- ts.flatMapIterator = flatMapIterator;
- function sameFlatMap(array, mapfn) {
- var result;
- if (array) {
- for (var i = 0; i < array.length; i++) {
- var item = array[i];
- var mapped = mapfn(item, i);
- if (result || item !== mapped || isArray(mapped)) {
- if (!result) {
- result = array.slice(0, i);
- }
- if (isArray(mapped)) {
- addRange(result, mapped);
- }
- else {
- result.push(mapped);
- }
- }
- }
- }
- return result || array;
- }
- ts.sameFlatMap = sameFlatMap;
- function mapAllOrFail(array, mapFn) {
- var result = [];
- for (var i = 0; i < array.length; i++) {
- var mapped = mapFn(array[i], i);
- if (mapped === undefined) {
- return undefined;
- }
- result.push(mapped);
- }
- return result;
- }
- ts.mapAllOrFail = mapAllOrFail;
- function mapDefined(array, mapFn) {
- var result = [];
- if (array) {
- for (var i = 0; i < array.length; i++) {
- var mapped = mapFn(array[i], i);
- if (mapped !== undefined) {
- result.push(mapped);
- }
- }
- }
- return result;
- }
- ts.mapDefined = mapDefined;
- function mapDefinedIterator(iter, mapFn) {
- return {
- next: function () {
- while (true) {
- var res = iter.next();
- if (res.done) {
- return res;
- }
- var value = mapFn(res.value);
- if (value !== undefined) {
- return { value: value, done: false };
- }
- }
- }
- };
- }
- ts.mapDefinedIterator = mapDefinedIterator;
- function mapDefinedMap(map, mapValue, mapKey) {
- if (mapKey === void 0) { mapKey = identity; }
- var result = createMap();
- map.forEach(function (value, key) {
- var mapped = mapValue(value, key);
- if (mapped !== undefined) {
- result.set(mapKey(key), mapped);
- }
- });
- return result;
- }
- ts.mapDefinedMap = mapDefinedMap;
- ts.emptyIterator = { next: function () { return ({ value: undefined, done: true }); } };
- function singleIterator(value) {
- var done = false;
- return {
- next: function () {
- var wasDone = done;
- done = true;
- return wasDone ? { value: undefined, done: true } : { value: value, done: false };
- }
- };
- }
- ts.singleIterator = singleIterator;
- function spanMap(array, keyfn, mapfn) {
- var result;
- if (array) {
- result = [];
- var len = array.length;
- var previousKey = void 0;
- var key = void 0;
- var start = 0;
- var pos = 0;
- while (start < len) {
- while (pos < len) {
- var value = array[pos];
- key = keyfn(value, pos);
- if (pos === 0) {
- previousKey = key;
- }
- else if (key !== previousKey) {
- break;
- }
- pos++;
- }
- if (start < pos) {
- var v = mapfn(array.slice(start, pos), previousKey, start, pos);
- if (v) {
- result.push(v);
- }
- start = pos;
- }
- previousKey = key;
- pos++;
- }
- }
- return result;
- }
- ts.spanMap = spanMap;
- function mapEntries(map, f) {
- if (!map) {
- return undefined;
- }
- var result = createMap();
- map.forEach(function (value, key) {
- var _a = f(key, value), newKey = _a[0], newValue = _a[1];
- result.set(newKey, newValue);
- });
- return result;
- }
- ts.mapEntries = mapEntries;
- function some(array, predicate) {
- if (array) {
- if (predicate) {
- for (var _i = 0, array_3 = array; _i < array_3.length; _i++) {
- var v = array_3[_i];
- if (predicate(v)) {
- return true;
- }
- }
- }
- else {
- return array.length > 0;
- }
- }
- return false;
- }
- ts.some = some;
- /** Calls the callback with (start, afterEnd) index pairs for each range where 'pred' is true. */
- function getRangesWhere(arr, pred, cb) {
- var start;
- for (var i = 0; i < arr.length; i++) {
- if (pred(arr[i])) {
- start = start === undefined ? i : start;
- }
- else {
- if (start !== undefined) {
- cb(start, i);
- start = undefined;
- }
- }
- }
- if (start !== undefined)
- cb(start, arr.length);
- }
- ts.getRangesWhere = getRangesWhere;
- function concatenate(array1, array2) {
- if (!some(array2))
- return array1;
- if (!some(array1))
- return array2;
- return __spreadArrays(array1, array2);
- }
- ts.concatenate = concatenate;
- function selectIndex(_, i) {
- return i;
- }
- function indicesOf(array) {
- return array.map(selectIndex);
- }
- ts.indicesOf = indicesOf;
- function deduplicateRelational(array, equalityComparer, comparer) {
- // Perform a stable sort of the array. This ensures the first entry in a list of
- // duplicates remains the first entry in the result.
- var indices = indicesOf(array);
- stableSortIndices(array, indices, comparer);
- var last = array[indices[0]];
- var deduplicated = [indices[0]];
- for (var i = 1; i < indices.length; i++) {
- var index = indices[i];
- var item = array[index];
- if (!equalityComparer(last, item)) {
- deduplicated.push(index);
- last = item;
- }
- }
- // restore original order
- deduplicated.sort();
- return deduplicated.map(function (i) { return array[i]; });
- }
- function deduplicateEquality(array, equalityComparer) {
- var result = [];
- for (var _i = 0, array_4 = array; _i < array_4.length; _i++) {
- var item = array_4[_i];
- pushIfUnique(result, item, equalityComparer);
- }
- return result;
- }
- /**
- * Deduplicates an unsorted array.
- * @param equalityComparer An `EqualityComparer` used to determine if two values are duplicates.
- * @param comparer An optional `Comparer` used to sort entries before comparison, though the
- * result will remain in the original order in `array`.
- */
- function deduplicate(array, equalityComparer, comparer) {
- return array.length === 0 ? [] :
- array.length === 1 ? array.slice() :
- comparer ? deduplicateRelational(array, equalityComparer, comparer) :
- deduplicateEquality(array, equalityComparer);
- }
- ts.deduplicate = deduplicate;
- /**
- * Deduplicates an array that has already been sorted.
- */
- function deduplicateSorted(array, comparer) {
- if (array.length === 0)
- return ts.emptyArray;
- var last = array[0];
- var deduplicated = [last];
- for (var i = 1; i < array.length; i++) {
- var next = array[i];
- switch (comparer(next, last)) {
- // equality comparison
- case true:
- // relational comparison
- // falls through
- case 0 /* EqualTo */:
- continue;
- case -1 /* LessThan */:
- // If `array` is sorted, `next` should **never** be less than `last`.
- return ts.Debug.fail("Array is unsorted.");
- }
- deduplicated.push(last = next);
- }
- return deduplicated;
- }
- function insertSorted(array, insert, compare) {
- if (array.length === 0) {
- array.push(insert);
- return;
- }
- var insertIndex = binarySearch(array, insert, identity, compare);
- if (insertIndex < 0) {
- array.splice(~insertIndex, 0, insert);
- }
- }
- ts.insertSorted = insertSorted;
- function sortAndDeduplicate(array, comparer, equalityComparer) {
- return deduplicateSorted(sort(array, comparer), equalityComparer || comparer || compareStringsCaseSensitive);
- }
- ts.sortAndDeduplicate = sortAndDeduplicate;
- function arrayIsEqualTo(array1, array2, equalityComparer) {
- if (equalityComparer === void 0) { equalityComparer = equateValues; }
- if (!array1 || !array2) {
- return array1 === array2;
- }
- if (array1.length !== array2.length) {
- return false;
- }
- for (var i = 0; i < array1.length; i++) {
- if (!equalityComparer(array1[i], array2[i], i)) {
- return false;
- }
- }
- return true;
- }
- ts.arrayIsEqualTo = arrayIsEqualTo;
- function compact(array) {
- var result;
- if (array) {
- for (var i = 0; i < array.length; i++) {
- var v = array[i];
- if (result || !v) {
- if (!result) {
- result = array.slice(0, i);
- }
- if (v) {
- result.push(v);
- }
- }
- }
- }
- return result || array;
- }
- ts.compact = compact;
- /**
- * Gets the relative complement of `arrayA` with respect to `arrayB`, returning the elements that
- * are not present in `arrayA` but are present in `arrayB`. Assumes both arrays are sorted
- * based on the provided comparer.
- */
- function relativeComplement(arrayA, arrayB, comparer) {
- if (!arrayB || !arrayA || arrayB.length === 0 || arrayA.length === 0)
- return arrayB;
- var result = [];
- loopB: for (var offsetA = 0, offsetB = 0; offsetB < arrayB.length; offsetB++) {
- if (offsetB > 0) {
- // Ensure `arrayB` is properly sorted.
- ts.Debug.assertGreaterThanOrEqual(comparer(arrayB[offsetB], arrayB[offsetB - 1]), 0 /* EqualTo */);
- }
- loopA: for (var startA = offsetA; offsetA < arrayA.length; offsetA++) {
- if (offsetA > startA) {
- // Ensure `arrayA` is properly sorted. We only need to perform this check if
- // `offsetA` has changed since we entered the loop.
- ts.Debug.assertGreaterThanOrEqual(comparer(arrayA[offsetA], arrayA[offsetA - 1]), 0 /* EqualTo */);
- }
- switch (comparer(arrayB[offsetB], arrayA[offsetA])) {
- case -1 /* LessThan */:
- // If B is less than A, B does not exist in arrayA. Add B to the result and
- // move to the next element in arrayB without changing the current position
- // in arrayA.
- result.push(arrayB[offsetB]);
- continue loopB;
- case 0 /* EqualTo */:
- // If B is equal to A, B exists in arrayA. Move to the next element in
- // arrayB without adding B to the result or changing the current position
- // in arrayA.
- continue loopB;
- case 1 /* GreaterThan */:
- // If B is greater than A, we need to keep looking for B in arrayA. Move to
- // the next element in arrayA and recheck.
- continue loopA;
- }
- }
- }
- return result;
- }
- ts.relativeComplement = relativeComplement;
- function sum(array, prop) {
- var result = 0;
- for (var _i = 0, array_5 = array; _i < array_5.length; _i++) {
- var v = array_5[_i];
- result += v[prop];
- }
- return result;
- }
- ts.sum = sum;
- function append(to, value) {
- if (value === undefined)
- return to;
- if (to === undefined)
- return [value];
- to.push(value);
- return to;
- }
- ts.append = append;
- function combine(xs, ys) {
- if (xs === undefined)
- return ys;
- if (ys === undefined)
- return xs;
- if (isArray(xs))
- return isArray(ys) ? concatenate(xs, ys) : append(xs, ys);
- if (isArray(ys))
- return append(ys, xs);
- return [xs, ys];
- }
- ts.combine = combine;
- /**
- * Gets the actual offset into an array for a relative offset. Negative offsets indicate a
- * position offset from the end of the array.
- */
- function toOffset(array, offset) {
- return offset < 0 ? array.length + offset : offset;
- }
- function addRange(to, from, start, end) {
- if (from === undefined || from.length === 0)
- return to;
- if (to === undefined)
- return from.slice(start, end);
- start = start === undefined ? 0 : toOffset(from, start);
- end = end === undefined ? from.length : toOffset(from, end);
- for (var i = start; i < end && i < from.length; i++) {
- if (from[i] !== undefined) {
- to.push(from[i]);
- }
- }
- return to;
- }
- ts.addRange = addRange;
- /**
- * @return Whether the value was added.
- */
- function pushIfUnique(array, toAdd, equalityComparer) {
- if (contains(array, toAdd, equalityComparer)) {
- return false;
- }
- else {
- array.push(toAdd);
- return true;
- }
- }
- ts.pushIfUnique = pushIfUnique;
- /**
- * Unlike `pushIfUnique`, this can take `undefined` as an input, and returns a new array.
- */
- function appendIfUnique(array, toAdd, equalityComparer) {
- if (array) {
- pushIfUnique(array, toAdd, equalityComparer);
- return array;
- }
- else {
- return [toAdd];
- }
- }
- ts.appendIfUnique = appendIfUnique;
- function stableSortIndices(array, indices, comparer) {
- // sort indices by value then position
- indices.sort(function (x, y) { return comparer(array[x], array[y]) || compareValues(x, y); });
- }
- /**
- * Returns a new sorted array.
- */
- function sort(array, comparer) {
- return (array.length === 0 ? array : array.slice().sort(comparer));
- }
- ts.sort = sort;
- function arrayIterator(array) {
- var i = 0;
- return { next: function () {
- if (i === array.length) {
- return { value: undefined, done: true };
- }
- else {
- i++;
- return { value: array[i - 1], done: false };
- }
- } };
- }
- ts.arrayIterator = arrayIterator;
- function arrayReverseIterator(array) {
- var i = array.length;
- return {
- next: function () {
- if (i === 0) {
- return { value: undefined, done: true };
- }
- else {
- i--;
- return { value: array[i], done: false };
- }
- }
- };
- }
- ts.arrayReverseIterator = arrayReverseIterator;
- /**
- * Stable sort of an array. Elements equal to each other maintain their relative position in the array.
- */
- function stableSort(array, comparer) {
- var indices = indicesOf(array);
- stableSortIndices(array, indices, comparer);
- return indices.map(function (i) { return array[i]; });
- }
- ts.stableSort = stableSort;
- function rangeEquals(array1, array2, pos, end) {
- while (pos < end) {
- if (array1[pos] !== array2[pos]) {
- return false;
- }
- pos++;
- }
- return true;
- }
- ts.rangeEquals = rangeEquals;
- /**
- * Returns the element at a specific offset in an array if non-empty, `undefined` otherwise.
- * A negative offset indicates the element should be retrieved from the end of the array.
- */
- function elementAt(array, offset) {
- if (array) {
- offset = toOffset(array, offset);
- if (offset < array.length) {
- return array[offset];
- }
- }
- return undefined;
- }
- ts.elementAt = elementAt;
- /**
- * Returns the first element of an array if non-empty, `undefined` otherwise.
- */
- function firstOrUndefined(array) {
- return array.length === 0 ? undefined : array[0];
- }
- ts.firstOrUndefined = firstOrUndefined;
- function first(array) {
- ts.Debug.assert(array.length !== 0);
- return array[0];
- }
- ts.first = first;
- /**
- * Returns the last element of an array if non-empty, `undefined` otherwise.
- */
- function lastOrUndefined(array) {
- return array.length === 0 ? undefined : array[array.length - 1];
- }
- ts.lastOrUndefined = lastOrUndefined;
- function last(array) {
- ts.Debug.assert(array.length !== 0);
- return array[array.length - 1];
- }
- ts.last = last;
- /**
- * Returns the only element of an array if it contains only one element, `undefined` otherwise.
- */
- function singleOrUndefined(array) {
- return array && array.length === 1
- ? array[0]
- : undefined;
- }
- ts.singleOrUndefined = singleOrUndefined;
- function singleOrMany(array) {
- return array && array.length === 1
- ? array[0]
- : array;
- }
- ts.singleOrMany = singleOrMany;
- function replaceElement(array, index, value) {
- var result = array.slice(0);
- result[index] = value;
- return result;
- }
- ts.replaceElement = replaceElement;
- /**
- * Performs a binary search, finding the index at which `value` occurs in `array`.
- * If no such index is found, returns the 2's-complement of first index at which
- * `array[index]` exceeds `value`.
- * @param array A sorted array whose first element must be no larger than number
- * @param value The value to be searched for in the array.
- * @param keySelector A callback used to select the search key from `value` and each element of
- * `array`.
- * @param keyComparer A callback used to compare two keys in a sorted array.
- * @param offset An offset into `array` at which to start the search.
- */
- function binarySearch(array, value, keySelector, keyComparer, offset) {
- return binarySearchKey(array, keySelector(value), keySelector, keyComparer, offset);
- }
- ts.binarySearch = binarySearch;
- /**
- * Performs a binary search, finding the index at which an object with `key` occurs in `array`.
- * If no such index is found, returns the 2's-complement of first index at which
- * `array[index]` exceeds `key`.
- * @param array A sorted array whose first element must be no larger than number
- * @param key The key to be searched for in the array.
- * @param keySelector A callback used to select the search key from each element of `array`.
- * @param keyComparer A callback used to compare two keys in a sorted array.
- * @param offset An offset into `array` at which to start the search.
- */
- function binarySearchKey(array, key, keySelector, keyComparer, offset) {
- if (!some(array)) {
- return -1;
- }
- var low = offset || 0;
- var high = array.length - 1;
- while (low <= high) {
- var middle = low + ((high - low) >> 1);
- var midKey = keySelector(array[middle]);
- switch (keyComparer(midKey, key)) {
- case -1 /* LessThan */:
- low = middle + 1;
- break;
- case 0 /* EqualTo */:
- return middle;
- case 1 /* GreaterThan */:
- high = middle - 1;
- break;
- }
- }
- return ~low;
- }
- ts.binarySearchKey = binarySearchKey;
- function reduceLeft(array, f, initial, start, count) {
- if (array && array.length > 0) {
- var size = array.length;
- if (size > 0) {
- var pos = start === undefined || start < 0 ? 0 : start;
- var end = count === undefined || pos + count > size - 1 ? size - 1 : pos + count;
- var result = void 0;
- if (arguments.length <= 2) {
- result = array[pos];
- pos++;
- }
- else {
- result = initial;
- }
- while (pos <= end) {
- result = f(result, array[pos], pos);
- pos++;
- }
- return result;
- }
- }
- return initial;
- }
- ts.reduceLeft = reduceLeft;
- var hasOwnProperty = Object.prototype.hasOwnProperty;
- /**
- * Indicates whether a map-like contains an own property with the specified key.
- *
- * @param map A map-like.
- * @param key A property key.
- */
- function hasProperty(map, key) {
- return hasOwnProperty.call(map, key);
- }
- ts.hasProperty = hasProperty;
- /**
- * Gets the value of an owned property in a map-like.
- *
- * @param map A map-like.
- * @param key A property key.
- */
- function getProperty(map, key) {
- return hasOwnProperty.call(map, key) ? map[key] : undefined;
- }
- ts.getProperty = getProperty;
- /**
- * Gets the owned, enumerable property keys of a map-like.
- */
- function getOwnKeys(map) {
- var keys = [];
- for (var key in map) {
- if (hasOwnProperty.call(map, key)) {
- keys.push(key);
- }
- }
- return keys;
- }
- ts.getOwnKeys = getOwnKeys;
- function getAllKeys(obj) {
- var result = [];
- do {
- var names = Object.getOwnPropertyNames(obj);
- for (var _i = 0, names_1 = names; _i < names_1.length; _i++) {
- var name = names_1[_i];
- pushIfUnique(result, name);
- }
- } while (obj = Object.getPrototypeOf(obj));
- return result;
- }
- ts.getAllKeys = getAllKeys;
- function getOwnValues(sparseArray) {
- var values = [];
- for (var key in sparseArray) {
- if (hasOwnProperty.call(sparseArray, key)) {
- values.push(sparseArray[key]);
- }
- }
- return values;
- }
- ts.getOwnValues = getOwnValues;
- function arrayFrom(iterator, map) {
- var result = [];
- for (var iterResult = iterator.next(); !iterResult.done; iterResult = iterator.next()) {
- result.push(map ? map(iterResult.value) : iterResult.value);
- }
- return result;
- }
- ts.arrayFrom = arrayFrom;
- function assign(t) {
- var args = [];
- for (var _i = 1; _i < arguments.length; _i++) {
- args[_i - 1] = arguments[_i];
- }
- for (var _a = 0, args_1 = args; _a < args_1.length; _a++) {
- var arg = args_1[_a];
- if (arg === undefined)
- continue;
- for (var p in arg) {
- if (hasProperty(arg, p)) {
- t[p] = arg[p];
- }
- }
- }
- return t;
- }
- ts.assign = assign;
- /**
- * Performs a shallow equality comparison of the contents of two map-likes.
- *
- * @param left A map-like whose properties should be compared.
- * @param right A map-like whose properties should be compared.
- */
- function equalOwnProperties(left, right, equalityComparer) {
- if (equalityComparer === void 0) { equalityComparer = equateValues; }
- if (left === right)
- return true;
- if (!left || !right)
- return false;
- for (var key in left) {
- if (hasOwnProperty.call(left, key)) {
- if (!hasOwnProperty.call(right, key))
- return false;
- if (!equalityComparer(left[key], right[key]))
- return false;
- }
- }
- for (var key in right) {
- if (hasOwnProperty.call(right, key)) {
- if (!hasOwnProperty.call(left, key))
- return false;
- }
- }
- return true;
- }
- ts.equalOwnProperties = equalOwnProperties;
- function arrayToMap(array, makeKey, makeValue) {
- if (makeValue === void 0) { makeValue = identity; }
- var result = createMap();
- for (var _i = 0, array_6 = array; _i < array_6.length; _i++) {
- var value = array_6[_i];
- var key = makeKey(value);
- if (key !== undefined)
- result.set(key, makeValue(value));
- }
- return result;
- }
- ts.arrayToMap = arrayToMap;
- function arrayToNumericMap(array, makeKey, makeValue) {
- if (makeValue === void 0) { makeValue = identity; }
- var result = [];
- for (var _i = 0, array_7 = array; _i < array_7.length; _i++) {
- var value = array_7[_i];
- result[makeKey(value)] = makeValue(value);
- }
- return result;
- }
- ts.arrayToNumericMap = arrayToNumericMap;
- function arrayToMultiMap(values, makeKey, makeValue) {
- if (makeValue === void 0) { makeValue = identity; }
- var result = createMultiMap();
- for (var _i = 0, values_1 = values; _i < values_1.length; _i++) {
- var value = values_1[_i];
- result.add(makeKey(value), makeValue(value));
- }
- return result;
- }
- ts.arrayToMultiMap = arrayToMultiMap;
- function group(values, getGroupId, resultSelector) {
- if (resultSelector === void 0) { resultSelector = identity; }
- return arrayFrom(arrayToMultiMap(values, getGroupId).values(), resultSelector);
- }
- ts.group = group;
- function clone(object) {
- var result = {};
- for (var id in object) {
- if (hasOwnProperty.call(object, id)) {
- result[id] = object[id];
- }
- }
- return result;
- }
- ts.clone = clone;
- /**
- * Creates a new object by adding the own properties of `second`, then the own properties of `first`.
- *
- * NOTE: This means that if a property exists in both `first` and `second`, the property in `first` will be chosen.
- */
- function extend(first, second) {
- var result = {};
- for (var id in second) {
- if (hasOwnProperty.call(second, id)) {
- result[id] = second[id];
- }
- }
- for (var id in first) {
- if (hasOwnProperty.call(first, id)) {
- result[id] = first[id];
- }
- }
- return result;
- }
- ts.extend = extend;
- function copyProperties(first, second) {
- for (var id in second) {
- if (hasOwnProperty.call(second, id)) {
- first[id] = second[id];
- }
- }
- }
- ts.copyProperties = copyProperties;
- function maybeBind(obj, fn) {
- return fn ? fn.bind(obj) : undefined;
- }
- ts.maybeBind = maybeBind;
- function mapMap(map, f) {
- var result = createMap();
- map.forEach(function (t, key) { return result.set.apply(result, (f(t, key))); });
- return result;
- }
- ts.mapMap = mapMap;
- function createMultiMap() {
- var map = createMap();
- map.add = multiMapAdd;
- map.remove = multiMapRemove;
- return map;
- }
- ts.createMultiMap = createMultiMap;
- function multiMapAdd(key, value) {
- var values = this.get(key);
- if (values) {
- values.push(value);
- }
- else {
- this.set(key, values = [value]);
- }
- return values;
- }
- function multiMapRemove(key, value) {
- var values = this.get(key);
- if (values) {
- unorderedRemoveItem(values, value);
- if (!values.length) {
- this.delete(key);
- }
- }
- }
- function createUnderscoreEscapedMultiMap() {
- return createMultiMap();
- }
- ts.createUnderscoreEscapedMultiMap = createUnderscoreEscapedMultiMap;
- /**
- * Tests whether a value is an array.
- */
- function isArray(value) {
- return Array.isArray ? Array.isArray(value) : value instanceof Array;
- }
- ts.isArray = isArray;
- function toArray(value) {
- return isArray(value) ? value : [value];
- }
- ts.toArray = toArray;
- /**
- * Tests whether a value is string
- */
- function isString(text) {
- return typeof text === "string";
- }
- ts.isString = isString;
- function isNumber(x) {
- return typeof x === "number";
- }
- ts.isNumber = isNumber;
- function tryCast(value, test) {
- return value !== undefined && test(value) ? value : undefined;
- }
- ts.tryCast = tryCast;
- function cast(value, test) {
- if (value !== undefined && test(value))
- return value;
- return ts.Debug.fail("Invalid cast. The supplied value " + value + " did not pass the test '" + ts.Debug.getFunctionName(test) + "'.");
- }
- ts.cast = cast;
- /** Does nothing. */
- function noop(_) { }
- ts.noop = noop;
- /** Do nothing and return false */
- function returnFalse() { return false; }
- ts.returnFalse = returnFalse;
- /** Do nothing and return true */
- function returnTrue() { return true; }
- ts.returnTrue = returnTrue;
- /** Do nothing and return undefined */
- function returnUndefined() { return undefined; }
- ts.returnUndefined = returnUndefined;
- /** Returns its argument. */
- function identity(x) { return x; }
- ts.identity = identity;
- /** Returns lower case string */
- function toLowerCase(x) { return x.toLowerCase(); }
- ts.toLowerCase = toLowerCase;
- // We convert the file names to lower case as key for file name on case insensitive file system
- // While doing so we need to handle special characters (eg \u0130) to ensure that we dont convert
- // it to lower case, fileName with its lowercase form can exist along side it.
- // Handle special characters and make those case sensitive instead
- //
- // |-#--|-Unicode--|-Char code-|-Desc-------------------------------------------------------------------|
- // | 1. | i | 105 | Ascii i |
- // | 2. | I | 73 | Ascii I |
- // |-------- Special characters ------------------------------------------------------------------------|
- // | 3. | \u0130 | 304 | Uppper case I with dot above |
- // | 4. | i,\u0307 | 105,775 | i, followed by 775: Lower case of (3rd item) |
- // | 5. | I,\u0307 | 73,775 | I, followed by 775: Upper case of (4th item), lower case is (4th item) |
- // | 6. | \u0131 | 305 | Lower case i without dot, upper case is I (2nd item) |
- // | 7. | \u00DF | 223 | Lower case sharp s |
- //
- // Because item 3 is special where in its lowercase character has its own
- // upper case form we cant convert its case.
- // Rest special characters are either already in lower case format or
- // they have corresponding upper case character so they dont need special handling
- //
- // But to avoid having to do string building for most common cases, also ignore
- // a-z, 0-9, \u0131, \u00DF, \, /, ., : and space
- var fileNameLowerCaseRegExp = /[^\u0130\u0131\u00DFa-z0-9\\/:\-_\. ]+/g;
- /**
- * Case insensitive file systems have descripencies in how they handle some characters (eg. turkish Upper case I with dot on top - \u0130)
- * This function is used in places where we want to make file name as a key on these systems
- * It is possible on mac to be able to refer to file name with I with dot on top as a fileName with its lower case form
- * But on windows we cannot. Windows can have fileName with I with dot on top next to its lower case and they can not each be referred with the lowercase forms
- * Technically we would want this function to be platform sepcific as well but
- * our api has till now only taken caseSensitive as the only input and just for some characters we dont want to update API and ensure all customers use those api
- * We could use upper case and we would still need to deal with the descripencies but
- * we want to continue using lower case since in most cases filenames are lowercasewe and wont need any case changes and avoid having to store another string for the key
- * So for this function purpose, we go ahead and assume character I with dot on top it as case sensitive since its very unlikely to use lower case form of that special character
- */
- function toFileNameLowerCase(x) {
- return fileNameLowerCaseRegExp.test(x) ?
- x.replace(fileNameLowerCaseRegExp, toLowerCase) :
- x;
- }
- ts.toFileNameLowerCase = toFileNameLowerCase;
- /** Throws an error because a function is not implemented. */
- function notImplemented() {
- throw new Error("Not implemented");
- }
- ts.notImplemented = notImplemented;
- function memoize(callback) {
- var value;
- return function () {
- if (callback) {
- value = callback();
- callback = undefined;
- }
- return value;
- };
- }
- ts.memoize = memoize;
- function compose(a, b, c, d, e) {
- if (!!e) {
- var args_2 = [];
- for (var i = 0; i < arguments.length; i++) {
- args_2[i] = arguments[i];
- }
- return function (t) { return reduceLeft(args_2, function (u, f) { return f(u); }, t); };
- }
- else if (d) {
- return function (t) { return d(c(b(a(t)))); };
- }
- else if (c) {
- return function (t) { return c(b(a(t))); };
- }
- else if (b) {
- return function (t) { return b(a(t)); };
- }
- else if (a) {
- return function (t) { return a(t); };
- }
- else {
- return function (t) { return t; };
- }
- }
- ts.compose = compose;
- var AssertionLevel;
- (function (AssertionLevel) {
- AssertionLevel[AssertionLevel["None"] = 0] = "None";
- AssertionLevel[AssertionLevel["Normal"] = 1] = "Normal";
- AssertionLevel[AssertionLevel["Aggressive"] = 2] = "Aggressive";
- AssertionLevel[AssertionLevel["VeryAggressive"] = 3] = "VeryAggressive";
- })(AssertionLevel = ts.AssertionLevel || (ts.AssertionLevel = {}));
- function equateValues(a, b) {
- return a === b;
- }
- ts.equateValues = equateValues;
- /**
- * Compare the equality of two strings using a case-sensitive ordinal comparison.
- *
- * Case-sensitive comparisons compare both strings one code-point at a time using the integer
- * value of each code-point after applying `toUpperCase` to each string. We always map both
- * strings to their upper-case form as some unicode characters do not properly round-trip to
- * lowercase (such as `ẞ` (German sharp capital s)).
- */
- function equateStringsCaseInsensitive(a, b) {
- return a === b
- || a !== undefined
- && b !== undefined
- && a.toUpperCase() === b.toUpperCase();
- }
- ts.equateStringsCaseInsensitive = equateStringsCaseInsensitive;
- /**
- * Compare the equality of two strings using a case-sensitive ordinal comparison.
- *
- * Case-sensitive comparisons compare both strings one code-point at a time using the
- * integer value of each code-point.
- */
- function equateStringsCaseSensitive(a, b) {
- return equateValues(a, b);
- }
- ts.equateStringsCaseSensitive = equateStringsCaseSensitive;
- function compareComparableValues(a, b) {
- return a === b ? 0 /* EqualTo */ :
- a === undefined ? -1 /* LessThan */ :
- b === undefined ? 1 /* GreaterThan */ :
- a < b ? -1 /* LessThan */ :
- 1 /* GreaterThan */;
- }
- /**
- * Compare two numeric values for their order relative to each other.
- * To compare strings, use any of the `compareStrings` functions.
- */
- function compareValues(a, b) {
- return compareComparableValues(a, b);
- }
- ts.compareValues = compareValues;
- /**
- * Compare two TextSpans, first by `start`, then by `length`.
- */
- function compareTextSpans(a, b) {
- return compareValues(a === null || a === void 0 ? void 0 : a.start, b === null || b === void 0 ? void 0 : b.start) || compareValues(a === null || a === void 0 ? void 0 : a.length, b === null || b === void 0 ? void 0 : b.length);
- }
- ts.compareTextSpans = compareTextSpans;
- function min(a, b, compare) {
- return compare(a, b) === -1 /* LessThan */ ? a : b;
- }
- ts.min = min;
- /**
- * Compare two strings using a case-insensitive ordinal comparison.
- *
- * Ordinal comparisons are based on the difference between the unicode code points of both
- * strings. Characters with multiple unicode representations are considered unequal. Ordinal
- * comparisons provide predictable ordering, but place "a" after "B".
- *
- * Case-insensitive comparisons compare both strings one code-point at a time using the integer
- * value of each code-point after applying `toUpperCase` to each string. We always map both
- * strings to their upper-case form as some unicode characters do not properly round-trip to
- * lowercase (such as `ẞ` (German sharp capital s)).
- */
- function compareStringsCaseInsensitive(a, b) {
- if (a === b)
- return 0 /* EqualTo */;
- if (a === undefined)
- return -1 /* LessThan */;
- if (b === undefined)
- return 1 /* GreaterThan */;
- a = a.toUpperCase();
- b = b.toUpperCase();
- return a < b ? -1 /* LessThan */ : a > b ? 1 /* GreaterThan */ : 0 /* EqualTo */;
- }
- ts.compareStringsCaseInsensitive = compareStringsCaseInsensitive;
- /**
- * Compare two strings using a case-sensitive ordinal comparison.
- *
- * Ordinal comparisons are based on the difference between the unicode code points of both
- * strings. Characters with multiple unicode representations are considered unequal. Ordinal
- * comparisons provide predictable ordering, but place "a" after "B".
- *
- * Case-sensitive comparisons compare both strings one code-point at a time using the integer
- * value of each code-point.
- */
- function compareStringsCaseSensitive(a, b) {
- return compareComparableValues(a, b);
- }
- ts.compareStringsCaseSensitive = compareStringsCaseSensitive;
- function getStringComparer(ignoreCase) {
- return ignoreCase ? compareStringsCaseInsensitive : compareStringsCaseSensitive;
- }
- ts.getStringComparer = getStringComparer;
- /**
- * Creates a string comparer for use with string collation in the UI.
- */
- var createUIStringComparer = (function () {
- var defaultComparer;
- var enUSComparer;
- var stringComparerFactory = getStringComparerFactory();
- return createStringComparer;
- function compareWithCallback(a, b, comparer) {
- if (a === b)
- return 0 /* EqualTo */;
- if (a === undefined)
- return -1 /* LessThan */;
- if (b === undefined)
- return 1 /* GreaterThan */;
- var value = comparer(a, b);
- return value < 0 ? -1 /* LessThan */ : value > 0 ? 1 /* GreaterThan */ : 0 /* EqualTo */;
- }
- function createIntlCollatorStringComparer(locale) {
- // Intl.Collator.prototype.compare is bound to the collator. See NOTE in
- // http://www.ecma-international.org/ecma-402/2.0/#sec-Intl.Collator.prototype.compare
- var comparer = new Intl.Collator(locale, { usage: "sort", sensitivity: "variant" }).compare;
- return function (a, b) { return compareWithCallback(a, b, comparer); };
- }
- function createLocaleCompareStringComparer(locale) {
- // if the locale is not the default locale (`undefined`), use the fallback comparer.
- if (locale !== undefined)
- return createFallbackStringComparer();
- return function (a, b) { return compareWithCallback(a, b, compareStrings); };
- function compareStrings(a, b) {
- return a.localeCompare(b);
- }
- }
- function createFallbackStringComparer() {
- // An ordinal comparison puts "A" after "b", but for the UI we want "A" before "b".
- // We first sort case insensitively. So "Aaa" will come before "baa".
- // Then we sort case sensitively, so "aaa" will come before "Aaa".
- //
- // For case insensitive comparisons we always map both strings to their
- // upper-case form as some unicode characters do not properly round-trip to
- // lowercase (such as `ẞ` (German sharp capital s)).
- return function (a, b) { return compareWithCallback(a, b, compareDictionaryOrder); };
- function compareDictionaryOrder(a, b) {
- return compareStrings(a.toUpperCase(), b.toUpperCase()) || compareStrings(a, b);
- }
- function compareStrings(a, b) {
- return a < b ? -1 /* LessThan */ : a > b ? 1 /* GreaterThan */ : 0 /* EqualTo */;
- }
- }
- function getStringComparerFactory() {
- // If the host supports Intl, we use it for comparisons using the default locale.
- if (typeof Intl === "object" && typeof Intl.Collator === "function") {
- return createIntlCollatorStringComparer;
- }
- // If the host does not support Intl, we fall back to localeCompare.
- // localeCompare in Node v0.10 is just an ordinal comparison, so don't use it.
- if (typeof String.prototype.localeCompare === "function" &&
- typeof String.prototype.toLocaleUpperCase === "function" &&
- "a".localeCompare("B") < 0) {
- return createLocaleCompareStringComparer;
- }
- // Otherwise, fall back to ordinal comparison:
- return createFallbackStringComparer;
- }
- function createStringComparer(locale) {
- // Hold onto common string comparers. This avoids constantly reallocating comparers during
- // tests.
- if (locale === undefined) {
- return defaultComparer || (defaultComparer = stringComparerFactory(locale));
- }
- else if (locale === "en-US") {
- return enUSComparer || (enUSComparer = stringComparerFactory(locale));
- }
- else {
- return stringComparerFactory(locale);
- }
- }
- })();
- var uiComparerCaseSensitive;
- var uiLocale;
- function getUILocale() {
- return uiLocale;
- }
- ts.getUILocale = getUILocale;
- function setUILocale(value) {
- if (uiLocale !== value) {
- uiLocale = value;
- uiComparerCaseSensitive = undefined;
- }
- }
- ts.setUILocale = setUILocale;
- /**
- * Compare two strings in a using the case-sensitive sort behavior of the UI locale.
- *
- * Ordering is not predictable between different host locales, but is best for displaying
- * ordered data for UI presentation. Characters with multiple unicode representations may
- * be considered equal.
- *
- * Case-sensitive comparisons compare strings that differ in base characters, or
- * accents/diacritic marks, or case as unequal.
- */
- function compareStringsCaseSensitiveUI(a, b) {
- var comparer = uiComparerCaseSensitive || (uiComparerCaseSensitive = createUIStringComparer(uiLocale));
- return comparer(a, b);
- }
- ts.compareStringsCaseSensitiveUI = compareStringsCaseSensitiveUI;
- function compareProperties(a, b, key, comparer) {
- return a === b ? 0 /* EqualTo */ :
- a === undefined ? -1 /* LessThan */ :
- b === undefined ? 1 /* GreaterThan */ :
- comparer(a[key], b[key]);
- }
- ts.compareProperties = compareProperties;
- /** True is greater than false. */
- function compareBooleans(a, b) {
- return compareValues(a ? 1 : 0, b ? 1 : 0);
- }
- ts.compareBooleans = compareBooleans;
- /**
- * Given a name and a list of names that are *not* equal to the name, return a spelling suggestion if there is one that is close enough.
- * Names less than length 3 only check for case-insensitive equality, not Levenshtein distance.
- *
- * If there is a candidate that's the same except for case, return that.
- * If there is a candidate that's within one edit of the name, return that.
- * Otherwise, return the candidate with the smallest Levenshtein distance,
- * except for candidates:
- * * With no name
- * * Whose length differs from the target name by more than 0.34 of the length of the name.
- * * Whose levenshtein distance is more than 0.4 of the length of the name
- * (0.4 allows 1 substitution/transposition for every 5 characters,
- * and 1 insertion/deletion at 3 characters)
- */
- function getSpellingSuggestion(name, candidates, getName) {
- var maximumLengthDifference = Math.min(2, Math.floor(name.length * 0.34));
- var bestDistance = Math.floor(name.length * 0.4) + 1; // If the best result isn't better than this, don't bother.
- var bestCandidate;
- var justCheckExactMatches = false;
- var nameLowerCase = name.toLowerCase();
- for (var _i = 0, candidates_1 = candidates; _i < candidates_1.length; _i++) {
- var candidate = candidates_1[_i];
- var candidateName = getName(candidate);
- if (candidateName !== undefined && Math.abs(candidateName.length - nameLowerCase.length) <= maximumLengthDifference) {
- var candidateNameLowerCase = candidateName.toLowerCase();
- if (candidateNameLowerCase === nameLowerCase) {
- if (candidateName === name) {
- continue;
- }
- return candidate;
- }
- if (justCheckExactMatches) {
- continue;
- }
- if (candidateName.length < 3) {
- // Don't bother, user would have noticed a 2-character name having an extra character
- continue;
- }
- // Only care about a result better than the best so far.
- var distance = levenshteinWithMax(nameLowerCase, candidateNameLowerCase, bestDistance - 1);
- if (distance === undefined) {
- continue;
- }
- if (distance < 3) {
- justCheckExactMatches = true;
- bestCandidate = candidate;
- }
- else {
- ts.Debug.assert(distance < bestDistance); // Else `levenshteinWithMax` should return undefined
- bestDistance = distance;
- bestCandidate = candidate;
- }
- }
- }
- return bestCandidate;
- }
- ts.getSpellingSuggestion = getSpellingSuggestion;
- function levenshteinWithMax(s1, s2, max) {
- var previous = new Array(s2.length + 1);
- var current = new Array(s2.length + 1);
- /** Represents any value > max. We don't care about the particular value. */
- var big = max + 1;
- for (var i = 0; i <= s2.length; i++) {
- previous[i] = i;
- }
- for (var i = 1; i <= s1.length; i++) {
- var c1 = s1.charCodeAt(i - 1);
- var minJ = i > max ? i - max : 1;
- var maxJ = s2.length > max + i ? max + i : s2.length;
- current[0] = i;
- /** Smallest value of the matrix in the ith column. */
- var colMin = i;
- for (var j = 1; j < minJ; j++) {
- current[j] = big;
- }
- for (var j = minJ; j <= maxJ; j++) {
- var dist = c1 === s2.charCodeAt(j - 1)
- ? previous[j - 1]
- : Math.min(/*delete*/ previous[j] + 1, /*insert*/ current[j - 1] + 1, /*substitute*/ previous[j - 1] + 2);
- current[j] = dist;
- colMin = Math.min(colMin, dist);
- }
- for (var j = maxJ + 1; j <= s2.length; j++) {
- current[j] = big;
- }
- if (colMin > max) {
- // Give up -- everything in this column is > max and it can't get better in future columns.
- return undefined;
- }
- var temp = previous;
- previous = current;
- current = temp;
- }
- var res = previous[s2.length];
- return res > max ? undefined : res;
- }
- function endsWith(str, suffix) {
- var expectedPos = str.length - suffix.length;
- return expectedPos >= 0 && str.indexOf(suffix, expectedPos) === expectedPos;
- }
- ts.endsWith = endsWith;
- function removeSuffix(str, suffix) {
- return endsWith(str, suffix) ? str.slice(0, str.length - suffix.length) : str;
- }
- ts.removeSuffix = removeSuffix;
- function tryRemoveSuffix(str, suffix) {
- return endsWith(str, suffix) ? str.slice(0, str.length - suffix.length) : undefined;
- }
- ts.tryRemoveSuffix = tryRemoveSuffix;
- function stringContains(str, substring) {
- return str.indexOf(substring) !== -1;
- }
- ts.stringContains = stringContains;
- /**
- * Takes a string like "jquery-min.4.2.3" and returns "jquery"
- */
- function removeMinAndVersionNumbers(fileName) {
- // Match a "." or "-" followed by a version number or 'min' at the end of the name
- var trailingMinOrVersion = /[.-]((min)|(\d+(\.\d+)*))$/;
- // The "min" or version may both be present, in either order, so try applying the above twice.
- return fileName.replace(trailingMinOrVersion, "").replace(trailingMinOrVersion, "");
- }
- ts.removeMinAndVersionNumbers = removeMinAndVersionNumbers;
- /** Remove an item from an array, moving everything to its right one space left. */
- function orderedRemoveItem(array, item) {
- for (var i = 0; i < array.length; i++) {
- if (array[i] === item) {
- orderedRemoveItemAt(array, i);
- return true;
- }
- }
- return false;
- }
- ts.orderedRemoveItem = orderedRemoveItem;
- /** Remove an item by index from an array, moving everything to its right one space left. */
- function orderedRemoveItemAt(array, index) {
- // This seems to be faster than either `array.splice(i, 1)` or `array.copyWithin(i, i+ 1)`.
- for (var i = index; i < array.length - 1; i++) {
- array[i] = array[i + 1];
- }
- array.pop();
- }
- ts.orderedRemoveItemAt = orderedRemoveItemAt;
- function unorderedRemoveItemAt(array, index) {
- // Fill in the "hole" left at `index`.
- array[index] = array[array.length - 1];
- array.pop();
- }
- ts.unorderedRemoveItemAt = unorderedRemoveItemAt;
- /** Remove the *first* occurrence of `item` from the array. */
- function unorderedRemoveItem(array, item) {
- return unorderedRemoveFirstItemWhere(array, function (element) { return element === item; });
- }
- ts.unorderedRemoveItem = unorderedRemoveItem;
- /** Remove the *first* element satisfying `predicate`. */
- function unorderedRemoveFirstItemWhere(array, predicate) {
- for (var i = 0; i < array.length; i++) {
- if (predicate(array[i])) {
- unorderedRemoveItemAt(array, i);
- return true;
- }
- }
- return false;
- }
- function createGetCanonicalFileName(useCaseSensitiveFileNames) {
- return useCaseSensitiveFileNames ? identity : toFileNameLowerCase;
- }
- ts.createGetCanonicalFileName = createGetCanonicalFileName;
- function patternText(_a) {
- var prefix = _a.prefix, suffix = _a.suffix;
- return prefix + "*" + suffix;
- }
- ts.patternText = patternText;
- /**
- * Given that candidate matches pattern, returns the text matching the '*'.
- * E.g.: matchedText(tryParsePattern("foo*baz"), "foobarbaz") === "bar"
- */
- function matchedText(pattern, candidate) {
- ts.Debug.assert(isPatternMatch(pattern, candidate));
- return candidate.substring(pattern.prefix.length, candidate.length - pattern.suffix.length);
- }
- ts.matchedText = matchedText;
- /** Return the object corresponding to the best pattern to match `candidate`. */
- function findBestPatternMatch(values, getPattern, candidate) {
- var matchedValue;
- // use length of prefix as betterness criteria
- var longestMatchPrefixLength = -1;
- for (var _i = 0, values_2 = values; _i < values_2.length; _i++) {
- var v = values_2[_i];
- var pattern = getPattern(v);
- if (isPatternMatch(pattern, candidate) && pattern.prefix.length > longestMatchPrefixLength) {
- longestMatchPrefixLength = pattern.prefix.length;
- matchedValue = v;
- }
- }
- return matchedValue;
- }
- ts.findBestPatternMatch = findBestPatternMatch;
- function startsWith(str, prefix) {
- return str.lastIndexOf(prefix, 0) === 0;
- }
- ts.startsWith = startsWith;
- function removePrefix(str, prefix) {
- return startsWith(str, prefix) ? str.substr(prefix.length) : str;
- }
- ts.removePrefix = removePrefix;
- function tryRemovePrefix(str, prefix, getCanonicalFileName) {
- if (getCanonicalFileName === void 0) { getCanonicalFileName = identity; }
- return startsWith(getCanonicalFileName(str), getCanonicalFileName(prefix)) ? str.substring(prefix.length) : undefined;
- }
- ts.tryRemovePrefix = tryRemovePrefix;
- function isPatternMatch(_a, candidate) {
- var prefix = _a.prefix, suffix = _a.suffix;
- return candidate.length >= prefix.length + suffix.length &&
- startsWith(candidate, prefix) &&
- endsWith(candidate, suffix);
- }
- function and(f, g) {
- return function (arg) { return f(arg) && g(arg); };
- }
- ts.and = and;
- function or() {
- var fs = [];
- for (var _i = 0; _i < arguments.length; _i++) {
- fs[_i] = arguments[_i];
- }
- return function () {
- var args = [];
- for (var _i = 0; _i < arguments.length; _i++) {
- args[_i] = arguments[_i];
- }
- for (var _a = 0, fs_1 = fs; _a < fs_1.length; _a++) {
- var f = fs_1[_a];
- if (f.apply(void 0, args)) {
- return true;
- }
- }
- return false;
- };
- }
- ts.or = or;
- function not(fn) {
- return function () {
- var args = [];
- for (var _i = 0; _i < arguments.length; _i++) {
- args[_i] = arguments[_i];
- }
- return !fn.apply(void 0, args);
- };
- }
- ts.not = not;
- function assertType(_) { }
- ts.assertType = assertType;
- function singleElementArray(t) {
- return t === undefined ? undefined : [t];
- }
- ts.singleElementArray = singleElementArray;
- function enumerateInsertsAndDeletes(newItems, oldItems, comparer, inserted, deleted, unchanged) {
- unchanged = unchanged || noop;
- var newIndex = 0;
- var oldIndex = 0;
- var newLen = newItems.length;
- var oldLen = oldItems.length;
- while (newIndex < newLen && oldIndex < oldLen) {
- var newItem = newItems[newIndex];
- var oldItem = oldItems[oldIndex];
- var compareResult = comparer(newItem, oldItem);
- if (compareResult === -1 /* LessThan */) {
- inserted(newItem);
- newIndex++;
- }
- else if (compareResult === 1 /* GreaterThan */) {
- deleted(oldItem);
- oldIndex++;
- }
- else {
- unchanged(oldItem, newItem);
- newIndex++;
- oldIndex++;
- }
- }
- while (newIndex < newLen) {
- inserted(newItems[newIndex++]);
- }
- while (oldIndex < oldLen) {
- deleted(oldItems[oldIndex++]);
- }
- }
- ts.enumerateInsertsAndDeletes = enumerateInsertsAndDeletes;
- function fill(length, cb) {
- var result = Array(length);
- for (var i = 0; i < length; i++) {
- result[i] = cb(i);
- }
- return result;
- }
- ts.fill = fill;
- function cartesianProduct(arrays) {
- var result = [];
- cartesianProductWorker(arrays, result, /*outer*/ undefined, 0);
- return result;
- }
- ts.cartesianProduct = cartesianProduct;
- function cartesianProductWorker(arrays, result, outer, index) {
- for (var _i = 0, _a = arrays[index]; _i < _a.length; _i++) {
- var element = _a[_i];
- var inner = void 0;
- if (outer) {
- inner = outer.slice();
- inner.push(element);
- }
- else {
- inner = [element];
- }
- if (index === arrays.length - 1) {
- result.push(inner);
- }
- else {
- cartesianProductWorker(arrays, result, inner, index + 1);
- }
- }
- }
- function padLeft(s, length) {
- while (s.length < length) {
- s = " " + s;
- }
- return s;
- }
- ts.padLeft = padLeft;
- function padRight(s, length) {
- while (s.length < length) {
- s = s + " ";
- }
- return s;
- }
- ts.padRight = padRight;
-})(ts || (ts = {}));
-/* @internal */
-var ts;
-(function (ts) {
- var Debug;
- (function (Debug) {
- var currentAssertionLevel = 0 /* None */;
- // eslint-disable-next-line prefer-const
- Debug.isDebugging = false;
- var assertionCache = {};
- function getAssertionLevel() {
- return currentAssertionLevel;
- }
- Debug.getAssertionLevel = getAssertionLevel;
- function setAssertionLevel(level) {
- var prevAssertionLevel = currentAssertionLevel;
- currentAssertionLevel = level;
- if (level > prevAssertionLevel) {
- // restore assertion functions for the current assertion level (see `shouldAssertFunction`).
- for (var _i = 0, _a = ts.getOwnKeys(assertionCache); _i < _a.length; _i++) {
- var key = _a[_i];
- var cachedFunc = assertionCache[key];
- if (cachedFunc !== undefined && Debug[key] !== cachedFunc.assertion && level >= cachedFunc.level) {
- Debug[key] = cachedFunc;
- assertionCache[key] = undefined;
- }
- }
- }
- }
- Debug.setAssertionLevel = setAssertionLevel;
- function shouldAssert(level) {
- return currentAssertionLevel >= level;
- }
- Debug.shouldAssert = shouldAssert;
- /**
- * Tests whether an assertion function should be executed. If it shouldn't, it is cached and replaced with `ts.noop`.
- * Replaced assertion functions are restored when `Debug.setAssertionLevel` is set to a high enough level.
- * @param level The minimum assertion level required.
- * @param name The name of the current assertion function.
- */
- function shouldAssertFunction(level, name) {
- if (!shouldAssert(level)) {
- assertionCache[name] = { level: level, assertion: Debug[name] };
- Debug[name] = ts.noop;
- return false;
- }
- return true;
- }
- function fail(message, stackCrawlMark) {
- debugger;
- var e = new Error(message ? "Debug Failure. " + message : "Debug Failure.");
- if (Error.captureStackTrace) {
- Error.captureStackTrace(e, stackCrawlMark || fail);
- }
- throw e;
- }
- Debug.fail = fail;
- function failBadSyntaxKind(node, message, stackCrawlMark) {
- return fail((message || "Unexpected node.") + "\r\nNode " + formatSyntaxKind(node.kind) + " was unexpected.", stackCrawlMark || failBadSyntaxKind);
- }
- Debug.failBadSyntaxKind = failBadSyntaxKind;
- function assert(expression, message, verboseDebugInfo, stackCrawlMark) {
- if (!expression) {
- message = message ? "False expression: " + message : "False expression.";
- if (verboseDebugInfo) {
- message += "\r\nVerbose Debug Information: " + (typeof verboseDebugInfo === "string" ? verboseDebugInfo : verboseDebugInfo());
- }
- fail(message, stackCrawlMark || assert);
- }
- }
- Debug.assert = assert;
- function assertEqual(a, b, msg, msg2, stackCrawlMark) {
- if (a !== b) {
- var message = msg ? msg2 ? msg + " " + msg2 : msg : "";
- fail("Expected " + a + " === " + b + ". " + message, stackCrawlMark || assertEqual);
- }
- }
- Debug.assertEqual = assertEqual;
- function assertLessThan(a, b, msg, stackCrawlMark) {
- if (a >= b) {
- fail("Expected " + a + " < " + b + ". " + (msg || ""), stackCrawlMark || assertLessThan);
- }
- }
- Debug.assertLessThan = assertLessThan;
- function assertLessThanOrEqual(a, b, stackCrawlMark) {
- if (a > b) {
- fail("Expected " + a + " <= " + b, stackCrawlMark || assertLessThanOrEqual);
- }
- }
- Debug.assertLessThanOrEqual = assertLessThanOrEqual;
- function assertGreaterThanOrEqual(a, b, stackCrawlMark) {
- if (a < b) {
- fail("Expected " + a + " >= " + b, stackCrawlMark || assertGreaterThanOrEqual);
- }
- }
- Debug.assertGreaterThanOrEqual = assertGreaterThanOrEqual;
- function assertIsDefined(value, message, stackCrawlMark) {
- // eslint-disable-next-line no-null/no-null
- if (value === undefined || value === null) {
- fail(message, stackCrawlMark || assertIsDefined);
- }
- }
- Debug.assertIsDefined = assertIsDefined;
- function checkDefined(value, message, stackCrawlMark) {
- assertIsDefined(value, message, stackCrawlMark || checkDefined);
- return value;
- }
- Debug.checkDefined = checkDefined;
- /**
- * @deprecated Use `checkDefined` to check whether a value is defined inline. Use `assertIsDefined` to check whether
- * a value is defined at the statement level.
- */
- Debug.assertDefined = checkDefined;
- function assertEachIsDefined(value, message, stackCrawlMark) {
- for (var _i = 0, value_1 = value; _i < value_1.length; _i++) {
- var v = value_1[_i];
- assertIsDefined(v, message, stackCrawlMark || assertEachIsDefined);
- }
- }
- Debug.assertEachIsDefined = assertEachIsDefined;
- function checkEachDefined(value, message, stackCrawlMark) {
- assertEachIsDefined(value, message, stackCrawlMark || checkEachDefined);
- return value;
- }
- Debug.checkEachDefined = checkEachDefined;
- /**
- * @deprecated Use `checkEachDefined` to check whether the elements of an array are defined inline. Use `assertEachIsDefined` to check whether
- * the elements of an array are defined at the statement level.
- */
- Debug.assertEachDefined = checkEachDefined;
- function assertNever(member, message, stackCrawlMark) {
- if (message === void 0) { message = "Illegal value:"; }
- var detail = typeof member === "object" && ts.hasProperty(member, "kind") && ts.hasProperty(member, "pos") && formatSyntaxKind ? "SyntaxKind: " + formatSyntaxKind(member.kind) : JSON.stringify(member);
- return fail(message + " " + detail, stackCrawlMark || assertNever);
- }
- Debug.assertNever = assertNever;
- function assertEachNode(nodes, test, message, stackCrawlMark) {
- if (shouldAssertFunction(1 /* Normal */, "assertEachNode")) {
- assert(test === undefined || ts.every(nodes, test), message || "Unexpected node.", function () { return "Node array did not pass test '" + getFunctionName(test) + "'."; }, stackCrawlMark || assertEachNode);
- }
- }
- Debug.assertEachNode = assertEachNode;
- function assertNode(node, test, message, stackCrawlMark) {
- if (shouldAssertFunction(1 /* Normal */, "assertNode")) {
- assert(node !== undefined && (test === undefined || test(node)), message || "Unexpected node.", function () { return "Node " + formatSyntaxKind(node.kind) + " did not pass test '" + getFunctionName(test) + "'."; }, stackCrawlMark || assertNode);
- }
- }
- Debug.assertNode = assertNode;
- function assertNotNode(node, test, message, stackCrawlMark) {
- if (shouldAssertFunction(1 /* Normal */, "assertNotNode")) {
- assert(node === undefined || test === undefined || !test(node), message || "Unexpected node.", function () { return "Node " + formatSyntaxKind(node.kind) + " should not have passed test '" + getFunctionName(test) + "'."; }, stackCrawlMark || assertNotNode);
- }
- }
- Debug.assertNotNode = assertNotNode;
- function assertOptionalNode(node, test, message, stackCrawlMark) {
- if (shouldAssertFunction(1 /* Normal */, "assertOptionalNode")) {
- assert(test === undefined || node === undefined || test(node), message || "Unexpected node.", function () { return "Node " + formatSyntaxKind(node.kind) + " did not pass test '" + getFunctionName(test) + "'."; }, stackCrawlMark || assertOptionalNode);
- }
- }
- Debug.assertOptionalNode = assertOptionalNode;
- function assertOptionalToken(node, kind, message, stackCrawlMark) {
- if (shouldAssertFunction(1 /* Normal */, "assertOptionalToken")) {
- assert(kind === undefined || node === undefined || node.kind === kind, message || "Unexpected node.", function () { return "Node " + formatSyntaxKind(node.kind) + " was not a '" + formatSyntaxKind(kind) + "' token."; }, stackCrawlMark || assertOptionalToken);
- }
- }
- Debug.assertOptionalToken = assertOptionalToken;
- function assertMissingNode(node, message, stackCrawlMark) {
- if (shouldAssertFunction(1 /* Normal */, "assertMissingNode")) {
- assert(node === undefined, message || "Unexpected node.", function () { return "Node " + formatSyntaxKind(node.kind) + " was unexpected'."; }, stackCrawlMark || assertMissingNode);
- }
- }
- Debug.assertMissingNode = assertMissingNode;
- function getFunctionName(func) {
- if (typeof func !== "function") {
- return "";
- }
- else if (func.hasOwnProperty("name")) {
- return func.name;
- }
- else {
- var text = Function.prototype.toString.call(func);
- var match = /^function\s+([\w\$]+)\s*\(/.exec(text);
- return match ? match[1] : "";
- }
- }
- Debug.getFunctionName = getFunctionName;
- function formatSymbol(symbol) {
- return "{ name: " + ts.unescapeLeadingUnderscores(symbol.escapedName) + "; flags: " + formatSymbolFlags(symbol.flags) + "; declarations: " + ts.map(symbol.declarations, function (node) { return formatSyntaxKind(node.kind); }) + " }";
- }
- Debug.formatSymbol = formatSymbol;
- /**
- * Formats an enum value as a string for debugging and debug assertions.
- */
- function formatEnum(value, enumObject, isFlags) {
- if (value === void 0) { value = 0; }
- var members = getEnumMembers(enumObject);
- if (value === 0) {
- return members.length > 0 && members[0][0] === 0 ? members[0][1] : "0";
- }
- if (isFlags) {
- var result = "";
- var remainingFlags = value;
- for (var _i = 0, members_1 = members; _i < members_1.length; _i++) {
- var _a = members_1[_i], enumValue = _a[0], enumName = _a[1];
- if (enumValue > value) {
- break;
- }
- if (enumValue !== 0 && enumValue & value) {
- result = "" + result + (result ? "|" : "") + enumName;
- remainingFlags &= ~enumValue;
- }
- }
- if (remainingFlags === 0) {
- return result;
- }
- }
- else {
- for (var _b = 0, members_2 = members; _b < members_2.length; _b++) {
- var _c = members_2[_b], enumValue = _c[0], enumName = _c[1];
- if (enumValue === value) {
- return enumName;
- }
- }
- }
- return value.toString();
- }
- Debug.formatEnum = formatEnum;
- function getEnumMembers(enumObject) {
- var result = [];
- for (var name in enumObject) {
- var value = enumObject[name];
- if (typeof value === "number") {
- result.push([value, name]);
- }
- }
- return ts.stableSort(result, function (x, y) { return ts.compareValues(x[0], y[0]); });
- }
- function formatSyntaxKind(kind) {
- return formatEnum(kind, ts.SyntaxKind, /*isFlags*/ false);
- }
- Debug.formatSyntaxKind = formatSyntaxKind;
- function formatNodeFlags(flags) {
- return formatEnum(flags, ts.NodeFlags, /*isFlags*/ true);
- }
- Debug.formatNodeFlags = formatNodeFlags;
- function formatModifierFlags(flags) {
- return formatEnum(flags, ts.ModifierFlags, /*isFlags*/ true);
- }
- Debug.formatModifierFlags = formatModifierFlags;
- function formatTransformFlags(flags) {
- return formatEnum(flags, ts.TransformFlags, /*isFlags*/ true);
- }
- Debug.formatTransformFlags = formatTransformFlags;
- function formatEmitFlags(flags) {
- return formatEnum(flags, ts.EmitFlags, /*isFlags*/ true);
- }
- Debug.formatEmitFlags = formatEmitFlags;
- function formatSymbolFlags(flags) {
- return formatEnum(flags, ts.SymbolFlags, /*isFlags*/ true);
- }
- Debug.formatSymbolFlags = formatSymbolFlags;
- function formatTypeFlags(flags) {
- return formatEnum(flags, ts.TypeFlags, /*isFlags*/ true);
- }
- Debug.formatTypeFlags = formatTypeFlags;
- function formatObjectFlags(flags) {
- return formatEnum(flags, ts.ObjectFlags, /*isFlags*/ true);
- }
- Debug.formatObjectFlags = formatObjectFlags;
- var isDebugInfoEnabled = false;
- var extendedDebugModule;
- function extendedDebug() {
- enableDebugInfo();
- if (!extendedDebugModule) {
- throw new Error("Debugging helpers could not be loaded.");
- }
- return extendedDebugModule;
- }
- function printControlFlowGraph(flowNode) {
- return console.log(formatControlFlowGraph(flowNode));
- }
- Debug.printControlFlowGraph = printControlFlowGraph;
- function formatControlFlowGraph(flowNode) {
- return extendedDebug().formatControlFlowGraph(flowNode);
- }
- Debug.formatControlFlowGraph = formatControlFlowGraph;
- function attachFlowNodeDebugInfo(flowNode) {
- if (isDebugInfoEnabled) {
- if (!("__debugFlowFlags" in flowNode)) { // eslint-disable-line no-in-operator
- Object.defineProperties(flowNode, {
- __debugFlowFlags: { get: function () { return formatEnum(this.flags, ts.FlowFlags, /*isFlags*/ true); } },
- __debugToString: { value: function () { return formatControlFlowGraph(this); } }
- });
- }
- }
- }
- Debug.attachFlowNodeDebugInfo = attachFlowNodeDebugInfo;
- /**
- * Injects debug information into frequently used types.
- */
- function enableDebugInfo() {
- if (isDebugInfoEnabled)
- return;
- // Add additional properties in debug mode to assist with debugging.
- Object.defineProperties(ts.objectAllocator.getSymbolConstructor().prototype, {
- __debugFlags: { get: function () { return formatSymbolFlags(this.flags); } }
- });
- Object.defineProperties(ts.objectAllocator.getTypeConstructor().prototype, {
- __debugFlags: { get: function () { return formatTypeFlags(this.flags); } },
- __debugObjectFlags: { get: function () { return this.flags & 524288 /* Object */ ? formatObjectFlags(this.objectFlags) : ""; } },
- __debugTypeToString: { value: function () { return this.checker.typeToString(this); } },
- });
- var nodeConstructors = [
- ts.objectAllocator.getNodeConstructor(),
- ts.objectAllocator.getIdentifierConstructor(),
- ts.objectAllocator.getTokenConstructor(),
- ts.objectAllocator.getSourceFileConstructor()
- ];
- for (var _i = 0, nodeConstructors_1 = nodeConstructors; _i < nodeConstructors_1.length; _i++) {
- var ctor = nodeConstructors_1[_i];
- if (!ctor.prototype.hasOwnProperty("__debugKind")) {
- Object.defineProperties(ctor.prototype, {
- __debugKind: { get: function () { return formatSyntaxKind(this.kind); } },
- __debugNodeFlags: { get: function () { return formatNodeFlags(this.flags); } },
- __debugModifierFlags: { get: function () { return formatModifierFlags(ts.getModifierFlagsNoCache(this)); } },
- __debugTransformFlags: { get: function () { return formatTransformFlags(this.transformFlags); } },
- __debugIsParseTreeNode: { get: function () { return ts.isParseTreeNode(this); } },
- __debugEmitFlags: { get: function () { return formatEmitFlags(ts.getEmitFlags(this)); } },
- __debugGetText: {
- value: function (includeTrivia) {
- if (ts.nodeIsSynthesized(this))
- return "";
- var parseNode = ts.getParseTreeNode(this);
- var sourceFile = parseNode && ts.getSourceFileOfNode(parseNode);
- return sourceFile ? ts.getSourceTextOfNodeFromSourceFile(sourceFile, parseNode, includeTrivia) : "";
- }
- }
- });
- }
- }
- // attempt to load extended debugging information
- try {
- if (ts.sys && ts.sys.require) {
- var basePath = ts.getDirectoryPath(ts.resolvePath(ts.sys.getExecutingFilePath()));
- var result = ts.sys.require(basePath, "./compiler-debug");
- if (!result.error) {
- result.module.init(ts);
- extendedDebugModule = result.module;
- }
- }
- }
- catch (_a) {
- // do nothing
- }
- isDebugInfoEnabled = true;
- }
- Debug.enableDebugInfo = enableDebugInfo;
- })(Debug = ts.Debug || (ts.Debug = {}));
-})(ts || (ts = {}));
-/*@internal*/
-var ts;
-(function (ts) {
- /** Gets a timestamp with (at least) ms resolution */
- ts.timestamp = typeof performance !== "undefined" && performance.now ? function () { return performance.now(); } : Date.now ? Date.now : function () { return +(new Date()); };
-})(ts || (ts = {}));
-/*@internal*/
-/** Performance measurements for the compiler. */
-var ts;
-(function (ts) {
- var performance;
- (function (performance) {
- // NOTE: cannot use ts.noop as core.ts loads after this
- var profilerEvent = typeof onProfilerEvent === "function" && onProfilerEvent.profiler === true ? onProfilerEvent : function () { };
- var enabled = false;
- var profilerStart = 0;
- var counts;
- var marks;
- var measures;
- function createTimerIf(condition, measureName, startMarkName, endMarkName) {
- return condition ? createTimer(measureName, startMarkName, endMarkName) : performance.nullTimer;
- }
- performance.createTimerIf = createTimerIf;
- function createTimer(measureName, startMarkName, endMarkName) {
- var enterCount = 0;
- return {
- enter: enter,
- exit: exit
- };
- function enter() {
- if (++enterCount === 1) {
- mark(startMarkName);
- }
- }
- function exit() {
- if (--enterCount === 0) {
- mark(endMarkName);
- measure(measureName, startMarkName, endMarkName);
- }
- else if (enterCount < 0) {
- ts.Debug.fail("enter/exit count does not match.");
- }
- }
- }
- performance.createTimer = createTimer;
- performance.nullTimer = { enter: ts.noop, exit: ts.noop };
- /**
- * Marks a performance event.
- *
- * @param markName The name of the mark.
- */
- function mark(markName) {
- if (enabled) {
- marks.set(markName, ts.timestamp());
- counts.set(markName, (counts.get(markName) || 0) + 1);
- profilerEvent(markName);
- }
- }
- performance.mark = mark;
- /**
- * Adds a performance measurement with the specified name.
- *
- * @param measureName The name of the performance measurement.
- * @param startMarkName The name of the starting mark. If not supplied, the point at which the
- * profiler was enabled is used.
- * @param endMarkName The name of the ending mark. If not supplied, the current timestamp is
- * used.
- */
- function measure(measureName, startMarkName, endMarkName) {
- if (enabled) {
- var end = endMarkName && marks.get(endMarkName) || ts.timestamp();
- var start = startMarkName && marks.get(startMarkName) || profilerStart;
- measures.set(measureName, (measures.get(measureName) || 0) + (end - start));
- }
- }
- performance.measure = measure;
- /**
- * Gets the number of times a marker was encountered.
- *
- * @param markName The name of the mark.
- */
- function getCount(markName) {
- return counts && counts.get(markName) || 0;
- }
- performance.getCount = getCount;
- /**
- * Gets the total duration of all measurements with the supplied name.
- *
- * @param measureName The name of the measure whose durations should be accumulated.
- */
- function getDuration(measureName) {
- return measures && measures.get(measureName) || 0;
- }
- performance.getDuration = getDuration;
- /**
- * Iterate over each measure, performing some action
- *
- * @param cb The action to perform for each measure
- */
- function forEachMeasure(cb) {
- measures.forEach(function (measure, key) {
- cb(key, measure);
- });
- }
- performance.forEachMeasure = forEachMeasure;
- /** Enables (and resets) performance measurements for the compiler. */
- function enable() {
- counts = ts.createMap();
- marks = ts.createMap();
- measures = ts.createMap();
- enabled = true;
- profilerStart = ts.timestamp();
- }
- performance.enable = enable;
- /** Disables performance measurements for the compiler. */
- function disable() {
- enabled = false;
- }
- performance.disable = disable;
- })(performance = ts.performance || (ts.performance = {}));
-})(ts || (ts = {}));
-/* @internal */
-var ts;
-(function (ts) {
- var nullLogger = {
- logEvent: ts.noop,
- logErrEvent: ts.noop,
- logPerfEvent: ts.noop,
- logInfoEvent: ts.noop,
- logStartCommand: ts.noop,
- logStopCommand: ts.noop,
- logStartUpdateProgram: ts.noop,
- logStopUpdateProgram: ts.noop,
- logStartUpdateGraph: ts.noop,
- logStopUpdateGraph: ts.noop,
- logStartResolveModule: ts.noop,
- logStopResolveModule: ts.noop,
- logStartParseSourceFile: ts.noop,
- logStopParseSourceFile: ts.noop,
- logStartReadFile: ts.noop,
- logStopReadFile: ts.noop,
- logStartBindFile: ts.noop,
- logStopBindFile: ts.noop,
- logStartScheduledOperation: ts.noop,
- logStopScheduledOperation: ts.noop,
- };
- // Load optional module to enable Event Tracing for Windows
- // See https://github.com/microsoft/typescript-etw for more information
- var etwModule;
- try {
- // require() will throw an exception if the module is not installed
- // It may also return undefined if not installed properly
- etwModule = require("@microsoft/typescript-etw");
- }
- catch (e) {
- etwModule = undefined;
- }
- /** Performance logger that will generate ETW events if possible - check for `logEvent` member, as `etwModule` will be `{}` when browserified */
- ts.perfLogger = etwModule && etwModule.logEvent ? etwModule : nullLogger;
-})(ts || (ts = {}));
-/* @internal */
-var ts;
-(function (ts) {
- // https://semver.org/#spec-item-2
- // > A normal version number MUST take the form X.Y.Z where X, Y, and Z are non-negative
- // > integers, and MUST NOT contain leading zeroes. X is the major version, Y is the minor
- // > version, and Z is the patch version. Each element MUST increase numerically.
- //
- // NOTE: We differ here in that we allow X and X.Y, with missing parts having the default
- // value of `0`.
- var versionRegExp = /^(0|[1-9]\d*)(?:\.(0|[1-9]\d*)(?:\.(0|[1-9]\d*)(?:\-([a-z0-9-.]+))?(?:\+([a-z0-9-.]+))?)?)?$/i;
- // https://semver.org/#spec-item-9
- // > A pre-release version MAY be denoted by appending a hyphen and a series of dot separated
- // > identifiers immediately following the patch version. Identifiers MUST comprise only ASCII
- // > alphanumerics and hyphen [0-9A-Za-z-]. Identifiers MUST NOT be empty. Numeric identifiers
- // > MUST NOT include leading zeroes.
- var prereleaseRegExp = /^(?:0|[1-9]\d*|[a-z-][a-z0-9-]*)(?:\.(?:0|[1-9]\d*|[a-z-][a-z0-9-]*))*$/i;
- // https://semver.org/#spec-item-10
- // > Build metadata MAY be denoted by appending a plus sign and a series of dot separated
- // > identifiers immediately following the patch or pre-release version. Identifiers MUST
- // > comprise only ASCII alphanumerics and hyphen [0-9A-Za-z-]. Identifiers MUST NOT be empty.
- var buildRegExp = /^[a-z0-9-]+(?:\.[a-z0-9-]+)*$/i;
- // https://semver.org/#spec-item-9
- // > Numeric identifiers MUST NOT include leading zeroes.
- var numericIdentifierRegExp = /^(0|[1-9]\d*)$/;
- /**
- * Describes a precise semantic version number, https://semver.org
- */
- var Version = /** @class */ (function () {
- function Version(major, minor, patch, prerelease, build) {
- if (minor === void 0) { minor = 0; }
- if (patch === void 0) { patch = 0; }
- if (prerelease === void 0) { prerelease = ""; }
- if (build === void 0) { build = ""; }
- if (typeof major === "string") {
- var result = ts.Debug.checkDefined(tryParseComponents(major), "Invalid version");
- (major = result.major, minor = result.minor, patch = result.patch, prerelease = result.prerelease, build = result.build);
- }
- ts.Debug.assert(major >= 0, "Invalid argument: major");
- ts.Debug.assert(minor >= 0, "Invalid argument: minor");
- ts.Debug.assert(patch >= 0, "Invalid argument: patch");
- ts.Debug.assert(!prerelease || prereleaseRegExp.test(prerelease), "Invalid argument: prerelease");
- ts.Debug.assert(!build || buildRegExp.test(build), "Invalid argument: build");
- this.major = major;
- this.minor = minor;
- this.patch = patch;
- this.prerelease = prerelease ? prerelease.split(".") : ts.emptyArray;
- this.build = build ? build.split(".") : ts.emptyArray;
- }
- Version.tryParse = function (text) {
- var result = tryParseComponents(text);
- if (!result)
- return undefined;
- var major = result.major, minor = result.minor, patch = result.patch, prerelease = result.prerelease, build = result.build;
- return new Version(major, minor, patch, prerelease, build);
- };
- Version.prototype.compareTo = function (other) {
- // https://semver.org/#spec-item-11
- // > Precedence is determined by the first difference when comparing each of these
- // > identifiers from left to right as follows: Major, minor, and patch versions are
- // > always compared numerically.
- //
- // https://semver.org/#spec-item-11
- // > Precedence for two pre-release versions with the same major, minor, and patch version
- // > MUST be determined by comparing each dot separated identifier from left to right until
- // > a difference is found [...]
- //
- // https://semver.org/#spec-item-11
- // > Build metadata does not figure into precedence
- if (this === other)
- return 0 /* EqualTo */;
- if (other === undefined)
- return 1 /* GreaterThan */;
- return ts.compareValues(this.major, other.major)
- || ts.compareValues(this.minor, other.minor)
- || ts.compareValues(this.patch, other.patch)
- || comparePrerelaseIdentifiers(this.prerelease, other.prerelease);
- };
- Version.prototype.increment = function (field) {
- switch (field) {
- case "major": return new Version(this.major + 1, 0, 0);
- case "minor": return new Version(this.major, this.minor + 1, 0);
- case "patch": return new Version(this.major, this.minor, this.patch + 1);
- default: return ts.Debug.assertNever(field);
- }
- };
- Version.prototype.toString = function () {
- var result = this.major + "." + this.minor + "." + this.patch;
- if (ts.some(this.prerelease))
- result += "-" + this.prerelease.join(".");
- if (ts.some(this.build))
- result += "+" + this.build.join(".");
- return result;
- };
- Version.zero = new Version(0, 0, 0);
- return Version;
- }());
- ts.Version = Version;
- function tryParseComponents(text) {
- var match = versionRegExp.exec(text);
- if (!match)
- return undefined;
- var major = match[1], _a = match[2], minor = _a === void 0 ? "0" : _a, _b = match[3], patch = _b === void 0 ? "0" : _b, _c = match[4], prerelease = _c === void 0 ? "" : _c, _d = match[5], build = _d === void 0 ? "" : _d;
- if (prerelease && !prereleaseRegExp.test(prerelease))
- return undefined;
- if (build && !buildRegExp.test(build))
- return undefined;
- return {
- major: parseInt(major, 10),
- minor: parseInt(minor, 10),
- patch: parseInt(patch, 10),
- prerelease: prerelease,
- build: build
- };
- }
- function comparePrerelaseIdentifiers(left, right) {
- // https://semver.org/#spec-item-11
- // > When major, minor, and patch are equal, a pre-release version has lower precedence
- // > than a normal version.
- if (left === right)
- return 0 /* EqualTo */;
- if (left.length === 0)
- return right.length === 0 ? 0 /* EqualTo */ : 1 /* GreaterThan */;
- if (right.length === 0)
- return -1 /* LessThan */;
- // https://semver.org/#spec-item-11
- // > Precedence for two pre-release versions with the same major, minor, and patch version
- // > MUST be determined by comparing each dot separated identifier from left to right until
- // > a difference is found [...]
- var length = Math.min(left.length, right.length);
- for (var i = 0; i < length; i++) {
- var leftIdentifier = left[i];
- var rightIdentifier = right[i];
- if (leftIdentifier === rightIdentifier)
- continue;
- var leftIsNumeric = numericIdentifierRegExp.test(leftIdentifier);
- var rightIsNumeric = numericIdentifierRegExp.test(rightIdentifier);
- if (leftIsNumeric || rightIsNumeric) {
- // https://semver.org/#spec-item-11
- // > Numeric identifiers always have lower precedence than non-numeric identifiers.
- if (leftIsNumeric !== rightIsNumeric)
- return leftIsNumeric ? -1 /* LessThan */ : 1 /* GreaterThan */;
- // https://semver.org/#spec-item-11
- // > identifiers consisting of only digits are compared numerically
- var result = ts.compareValues(+leftIdentifier, +rightIdentifier);
- if (result)
- return result;
- }
- else {
- // https://semver.org/#spec-item-11
- // > identifiers with letters or hyphens are compared lexically in ASCII sort order.
- var result = ts.compareStringsCaseSensitive(leftIdentifier, rightIdentifier);
- if (result)
- return result;
- }
- }
- // https://semver.org/#spec-item-11
- // > A larger set of pre-release fields has a higher precedence than a smaller set, if all
- // > of the preceding identifiers are equal.
- return ts.compareValues(left.length, right.length);
- }
- /**
- * Describes a semantic version range, per https://github.com/npm/node-semver#ranges
- */
- var VersionRange = /** @class */ (function () {
- function VersionRange(spec) {
- this._alternatives = spec ? ts.Debug.checkDefined(parseRange(spec), "Invalid range spec.") : ts.emptyArray;
- }
- VersionRange.tryParse = function (text) {
- var sets = parseRange(text);
- if (sets) {
- var range = new VersionRange("");
- range._alternatives = sets;
- return range;
- }
- return undefined;
- };
- VersionRange.prototype.test = function (version) {
- if (typeof version === "string")
- version = new Version(version);
- return testDisjunction(version, this._alternatives);
- };
- VersionRange.prototype.toString = function () {
- return formatDisjunction(this._alternatives);
- };
- return VersionRange;
- }());
- ts.VersionRange = VersionRange;
- // https://github.com/npm/node-semver#range-grammar
- //
- // range-set ::= range ( logical-or range ) *
- // range ::= hyphen | simple ( ' ' simple ) * | ''
- // logical-or ::= ( ' ' ) * '||' ( ' ' ) *
- var logicalOrRegExp = /\s*\|\|\s*/g;
- var whitespaceRegExp = /\s+/g;
- // https://github.com/npm/node-semver#range-grammar
- //
- // partial ::= xr ( '.' xr ( '.' xr qualifier ? )? )?
- // xr ::= 'x' | 'X' | '*' | nr
- // nr ::= '0' | ['1'-'9'] ( ['0'-'9'] ) *
- // qualifier ::= ( '-' pre )? ( '+' build )?
- // pre ::= parts
- // build ::= parts
- // parts ::= part ( '.' part ) *
- // part ::= nr | [-0-9A-Za-z]+
- var partialRegExp = /^([xX*0]|[1-9]\d*)(?:\.([xX*0]|[1-9]\d*)(?:\.([xX*0]|[1-9]\d*)(?:-([a-z0-9-.]+))?(?:\+([a-z0-9-.]+))?)?)?$/i;
- // https://github.com/npm/node-semver#range-grammar
- //
- // hyphen ::= partial ' - ' partial
- var hyphenRegExp = /^\s*([a-z0-9-+.*]+)\s+-\s+([a-z0-9-+.*]+)\s*$/i;
- // https://github.com/npm/node-semver#range-grammar
- //
- // simple ::= primitive | partial | tilde | caret
- // primitive ::= ( '<' | '>' | '>=' | '<=' | '=' ) partial
- // tilde ::= '~' partial
- // caret ::= '^' partial
- var rangeRegExp = /^\s*(~|\^|<|<=|>|>=|=)?\s*([a-z0-9-+.*]+)$/i;
- function parseRange(text) {
- var alternatives = [];
- for (var _i = 0, _a = text.trim().split(logicalOrRegExp); _i < _a.length; _i++) {
- var range = _a[_i];
- if (!range)
- continue;
- var comparators = [];
- var match = hyphenRegExp.exec(range);
- if (match) {
- if (!parseHyphen(match[1], match[2], comparators))
- return undefined;
- }
- else {
- for (var _b = 0, _c = range.split(whitespaceRegExp); _b < _c.length; _b++) {
- var simple = _c[_b];
- var match_1 = rangeRegExp.exec(simple);
- if (!match_1 || !parseComparator(match_1[1], match_1[2], comparators))
- return undefined;
- }
- }
- alternatives.push(comparators);
- }
- return alternatives;
- }
- function parsePartial(text) {
- var match = partialRegExp.exec(text);
- if (!match)
- return undefined;
- var major = match[1], _a = match[2], minor = _a === void 0 ? "*" : _a, _b = match[3], patch = _b === void 0 ? "*" : _b, prerelease = match[4], build = match[5];
- var version = new Version(isWildcard(major) ? 0 : parseInt(major, 10), isWildcard(major) || isWildcard(minor) ? 0 : parseInt(minor, 10), isWildcard(major) || isWildcard(minor) || isWildcard(patch) ? 0 : parseInt(patch, 10), prerelease, build);
- return { version: version, major: major, minor: minor, patch: patch };
- }
- function parseHyphen(left, right, comparators) {
- var leftResult = parsePartial(left);
- if (!leftResult)
- return false;
- var rightResult = parsePartial(right);
- if (!rightResult)
- return false;
- if (!isWildcard(leftResult.major)) {
- comparators.push(createComparator(">=", leftResult.version));
- }
- if (!isWildcard(rightResult.major)) {
- comparators.push(isWildcard(rightResult.minor) ? createComparator("<", rightResult.version.increment("major")) :
- isWildcard(rightResult.patch) ? createComparator("<", rightResult.version.increment("minor")) :
- createComparator("<=", rightResult.version));
- }
- return true;
- }
- function parseComparator(operator, text, comparators) {
- var result = parsePartial(text);
- if (!result)
- return false;
- var version = result.version, major = result.major, minor = result.minor, patch = result.patch;
- if (!isWildcard(major)) {
- switch (operator) {
- case "~":
- comparators.push(createComparator(">=", version));
- comparators.push(createComparator("<", version.increment(isWildcard(minor) ? "major" :
- "minor")));
- break;
- case "^":
- comparators.push(createComparator(">=", version));
- comparators.push(createComparator("<", version.increment(version.major > 0 || isWildcard(minor) ? "major" :
- version.minor > 0 || isWildcard(patch) ? "minor" :
- "patch")));
- break;
- case "<":
- case ">=":
- comparators.push(createComparator(operator, version));
- break;
- case "<=":
- case ">":
- comparators.push(isWildcard(minor) ? createComparator(operator === "<=" ? "<" : ">=", version.increment("major")) :
- isWildcard(patch) ? createComparator(operator === "<=" ? "<" : ">=", version.increment("minor")) :
- createComparator(operator, version));
- break;
- case "=":
- case undefined:
- if (isWildcard(minor) || isWildcard(patch)) {
- comparators.push(createComparator(">=", version));
- comparators.push(createComparator("<", version.increment(isWildcard(minor) ? "major" : "minor")));
- }
- else {
- comparators.push(createComparator("=", version));
- }
- break;
- default:
- // unrecognized
- return false;
- }
- }
- else if (operator === "<" || operator === ">") {
- comparators.push(createComparator("<", Version.zero));
- }
- return true;
- }
- function isWildcard(part) {
- return part === "*" || part === "x" || part === "X";
- }
- function createComparator(operator, operand) {
- return { operator: operator, operand: operand };
- }
- function testDisjunction(version, alternatives) {
- // an empty disjunction is treated as "*" (all versions)
- if (alternatives.length === 0)
- return true;
- for (var _i = 0, alternatives_1 = alternatives; _i < alternatives_1.length; _i++) {
- var alternative = alternatives_1[_i];
- if (testAlternative(version, alternative))
- return true;
- }
- return false;
- }
- function testAlternative(version, comparators) {
- for (var _i = 0, comparators_1 = comparators; _i < comparators_1.length; _i++) {
- var comparator = comparators_1[_i];
- if (!testComparator(version, comparator.operator, comparator.operand))
- return false;
- }
- return true;
- }
- function testComparator(version, operator, operand) {
- var cmp = version.compareTo(operand);
- switch (operator) {
- case "<": return cmp < 0;
- case "<=": return cmp <= 0;
- case ">": return cmp > 0;
- case ">=": return cmp >= 0;
- case "=": return cmp === 0;
- default: return ts.Debug.assertNever(operator);
- }
- }
- function formatDisjunction(alternatives) {
- return ts.map(alternatives, formatAlternative).join(" || ") || "*";
- }
- function formatAlternative(comparators) {
- return ts.map(comparators, formatComparator).join(" ");
- }
- function formatComparator(comparator) {
- return "" + comparator.operator + comparator.operand;
- }
-})(ts || (ts = {}));
-var ts;
-(function (ts) {
- // token > SyntaxKind.Identifier => token is a keyword
- // Also, If you add a new SyntaxKind be sure to keep the `Markers` section at the bottom in sync
- var SyntaxKind;
- (function (SyntaxKind) {
- SyntaxKind[SyntaxKind["Unknown"] = 0] = "Unknown";
- SyntaxKind[SyntaxKind["EndOfFileToken"] = 1] = "EndOfFileToken";
- SyntaxKind[SyntaxKind["SingleLineCommentTrivia"] = 2] = "SingleLineCommentTrivia";
- SyntaxKind[SyntaxKind["MultiLineCommentTrivia"] = 3] = "MultiLineCommentTrivia";
- SyntaxKind[SyntaxKind["NewLineTrivia"] = 4] = "NewLineTrivia";
- SyntaxKind[SyntaxKind["WhitespaceTrivia"] = 5] = "WhitespaceTrivia";
- // We detect and preserve #! on the first line
- SyntaxKind[SyntaxKind["ShebangTrivia"] = 6] = "ShebangTrivia";
- // We detect and provide better error recovery when we encounter a git merge marker. This
- // allows us to edit files with git-conflict markers in them in a much more pleasant manner.
- SyntaxKind[SyntaxKind["ConflictMarkerTrivia"] = 7] = "ConflictMarkerTrivia";
- // Literals
- SyntaxKind[SyntaxKind["NumericLiteral"] = 8] = "NumericLiteral";
- SyntaxKind[SyntaxKind["BigIntLiteral"] = 9] = "BigIntLiteral";
- SyntaxKind[SyntaxKind["StringLiteral"] = 10] = "StringLiteral";
- SyntaxKind[SyntaxKind["JsxText"] = 11] = "JsxText";
- SyntaxKind[SyntaxKind["JsxTextAllWhiteSpaces"] = 12] = "JsxTextAllWhiteSpaces";
- SyntaxKind[SyntaxKind["RegularExpressionLiteral"] = 13] = "RegularExpressionLiteral";
- SyntaxKind[SyntaxKind["NoSubstitutionTemplateLiteral"] = 14] = "NoSubstitutionTemplateLiteral";
- // Pseudo-literals
- SyntaxKind[SyntaxKind["TemplateHead"] = 15] = "TemplateHead";
- SyntaxKind[SyntaxKind["TemplateMiddle"] = 16] = "TemplateMiddle";
- SyntaxKind[SyntaxKind["TemplateTail"] = 17] = "TemplateTail";
- // Punctuation
- SyntaxKind[SyntaxKind["OpenBraceToken"] = 18] = "OpenBraceToken";
- SyntaxKind[SyntaxKind["CloseBraceToken"] = 19] = "CloseBraceToken";
- SyntaxKind[SyntaxKind["OpenParenToken"] = 20] = "OpenParenToken";
- SyntaxKind[SyntaxKind["CloseParenToken"] = 21] = "CloseParenToken";
- SyntaxKind[SyntaxKind["OpenBracketToken"] = 22] = "OpenBracketToken";
- SyntaxKind[SyntaxKind["CloseBracketToken"] = 23] = "CloseBracketToken";
- SyntaxKind[SyntaxKind["DotToken"] = 24] = "DotToken";
- SyntaxKind[SyntaxKind["DotDotDotToken"] = 25] = "DotDotDotToken";
- SyntaxKind[SyntaxKind["SemicolonToken"] = 26] = "SemicolonToken";
- SyntaxKind[SyntaxKind["CommaToken"] = 27] = "CommaToken";
- SyntaxKind[SyntaxKind["QuestionDotToken"] = 28] = "QuestionDotToken";
- SyntaxKind[SyntaxKind["LessThanToken"] = 29] = "LessThanToken";
- SyntaxKind[SyntaxKind["LessThanSlashToken"] = 30] = "LessThanSlashToken";
- SyntaxKind[SyntaxKind["GreaterThanToken"] = 31] = "GreaterThanToken";
- SyntaxKind[SyntaxKind["LessThanEqualsToken"] = 32] = "LessThanEqualsToken";
- SyntaxKind[SyntaxKind["GreaterThanEqualsToken"] = 33] = "GreaterThanEqualsToken";
- SyntaxKind[SyntaxKind["EqualsEqualsToken"] = 34] = "EqualsEqualsToken";
- SyntaxKind[SyntaxKind["ExclamationEqualsToken"] = 35] = "ExclamationEqualsToken";
- SyntaxKind[SyntaxKind["EqualsEqualsEqualsToken"] = 36] = "EqualsEqualsEqualsToken";
- SyntaxKind[SyntaxKind["ExclamationEqualsEqualsToken"] = 37] = "ExclamationEqualsEqualsToken";
- SyntaxKind[SyntaxKind["EqualsGreaterThanToken"] = 38] = "EqualsGreaterThanToken";
- SyntaxKind[SyntaxKind["PlusToken"] = 39] = "PlusToken";
- SyntaxKind[SyntaxKind["MinusToken"] = 40] = "MinusToken";
- SyntaxKind[SyntaxKind["AsteriskToken"] = 41] = "AsteriskToken";
- SyntaxKind[SyntaxKind["AsteriskAsteriskToken"] = 42] = "AsteriskAsteriskToken";
- SyntaxKind[SyntaxKind["SlashToken"] = 43] = "SlashToken";
- SyntaxKind[SyntaxKind["PercentToken"] = 44] = "PercentToken";
- SyntaxKind[SyntaxKind["PlusPlusToken"] = 45] = "PlusPlusToken";
- SyntaxKind[SyntaxKind["MinusMinusToken"] = 46] = "MinusMinusToken";
- SyntaxKind[SyntaxKind["LessThanLessThanToken"] = 47] = "LessThanLessThanToken";
- SyntaxKind[SyntaxKind["GreaterThanGreaterThanToken"] = 48] = "GreaterThanGreaterThanToken";
- SyntaxKind[SyntaxKind["GreaterThanGreaterThanGreaterThanToken"] = 49] = "GreaterThanGreaterThanGreaterThanToken";
- SyntaxKind[SyntaxKind["AmpersandToken"] = 50] = "AmpersandToken";
- SyntaxKind[SyntaxKind["BarToken"] = 51] = "BarToken";
- SyntaxKind[SyntaxKind["CaretToken"] = 52] = "CaretToken";
- SyntaxKind[SyntaxKind["ExclamationToken"] = 53] = "ExclamationToken";
- SyntaxKind[SyntaxKind["TildeToken"] = 54] = "TildeToken";
- SyntaxKind[SyntaxKind["AmpersandAmpersandToken"] = 55] = "AmpersandAmpersandToken";
- SyntaxKind[SyntaxKind["BarBarToken"] = 56] = "BarBarToken";
- SyntaxKind[SyntaxKind["QuestionToken"] = 57] = "QuestionToken";
- SyntaxKind[SyntaxKind["ColonToken"] = 58] = "ColonToken";
- SyntaxKind[SyntaxKind["AtToken"] = 59] = "AtToken";
- SyntaxKind[SyntaxKind["QuestionQuestionToken"] = 60] = "QuestionQuestionToken";
- /** Only the JSDoc scanner produces BacktickToken. The normal scanner produces NoSubstitutionTemplateLiteral and related kinds. */
- SyntaxKind[SyntaxKind["BacktickToken"] = 61] = "BacktickToken";
- // Assignments
- SyntaxKind[SyntaxKind["EqualsToken"] = 62] = "EqualsToken";
- SyntaxKind[SyntaxKind["PlusEqualsToken"] = 63] = "PlusEqualsToken";
- SyntaxKind[SyntaxKind["MinusEqualsToken"] = 64] = "MinusEqualsToken";
- SyntaxKind[SyntaxKind["AsteriskEqualsToken"] = 65] = "AsteriskEqualsToken";
- SyntaxKind[SyntaxKind["AsteriskAsteriskEqualsToken"] = 66] = "AsteriskAsteriskEqualsToken";
- SyntaxKind[SyntaxKind["SlashEqualsToken"] = 67] = "SlashEqualsToken";
- SyntaxKind[SyntaxKind["PercentEqualsToken"] = 68] = "PercentEqualsToken";
- SyntaxKind[SyntaxKind["LessThanLessThanEqualsToken"] = 69] = "LessThanLessThanEqualsToken";
- SyntaxKind[SyntaxKind["GreaterThanGreaterThanEqualsToken"] = 70] = "GreaterThanGreaterThanEqualsToken";
- SyntaxKind[SyntaxKind["GreaterThanGreaterThanGreaterThanEqualsToken"] = 71] = "GreaterThanGreaterThanGreaterThanEqualsToken";
- SyntaxKind[SyntaxKind["AmpersandEqualsToken"] = 72] = "AmpersandEqualsToken";
- SyntaxKind[SyntaxKind["BarEqualsToken"] = 73] = "BarEqualsToken";
- SyntaxKind[SyntaxKind["CaretEqualsToken"] = 74] = "CaretEqualsToken";
- // Identifiers and PrivateIdentifiers
- SyntaxKind[SyntaxKind["Identifier"] = 75] = "Identifier";
- SyntaxKind[SyntaxKind["PrivateIdentifier"] = 76] = "PrivateIdentifier";
- // Reserved words
- SyntaxKind[SyntaxKind["BreakKeyword"] = 77] = "BreakKeyword";
- SyntaxKind[SyntaxKind["CaseKeyword"] = 78] = "CaseKeyword";
- SyntaxKind[SyntaxKind["CatchKeyword"] = 79] = "CatchKeyword";
- SyntaxKind[SyntaxKind["ClassKeyword"] = 80] = "ClassKeyword";
- SyntaxKind[SyntaxKind["ConstKeyword"] = 81] = "ConstKeyword";
- SyntaxKind[SyntaxKind["ContinueKeyword"] = 82] = "ContinueKeyword";
- SyntaxKind[SyntaxKind["DebuggerKeyword"] = 83] = "DebuggerKeyword";
- SyntaxKind[SyntaxKind["DefaultKeyword"] = 84] = "DefaultKeyword";
- SyntaxKind[SyntaxKind["DeleteKeyword"] = 85] = "DeleteKeyword";
- SyntaxKind[SyntaxKind["DoKeyword"] = 86] = "DoKeyword";
- SyntaxKind[SyntaxKind["ElseKeyword"] = 87] = "ElseKeyword";
- SyntaxKind[SyntaxKind["EnumKeyword"] = 88] = "EnumKeyword";
- SyntaxKind[SyntaxKind["ExportKeyword"] = 89] = "ExportKeyword";
- SyntaxKind[SyntaxKind["ExtendsKeyword"] = 90] = "ExtendsKeyword";
- SyntaxKind[SyntaxKind["FalseKeyword"] = 91] = "FalseKeyword";
- SyntaxKind[SyntaxKind["FinallyKeyword"] = 92] = "FinallyKeyword";
- SyntaxKind[SyntaxKind["ForKeyword"] = 93] = "ForKeyword";
- SyntaxKind[SyntaxKind["FunctionKeyword"] = 94] = "FunctionKeyword";
- SyntaxKind[SyntaxKind["IfKeyword"] = 95] = "IfKeyword";
- SyntaxKind[SyntaxKind["ImportKeyword"] = 96] = "ImportKeyword";
- SyntaxKind[SyntaxKind["InKeyword"] = 97] = "InKeyword";
- SyntaxKind[SyntaxKind["InstanceOfKeyword"] = 98] = "InstanceOfKeyword";
- SyntaxKind[SyntaxKind["NewKeyword"] = 99] = "NewKeyword";
- SyntaxKind[SyntaxKind["NullKeyword"] = 100] = "NullKeyword";
- SyntaxKind[SyntaxKind["ReturnKeyword"] = 101] = "ReturnKeyword";
- SyntaxKind[SyntaxKind["SuperKeyword"] = 102] = "SuperKeyword";
- SyntaxKind[SyntaxKind["SwitchKeyword"] = 103] = "SwitchKeyword";
- SyntaxKind[SyntaxKind["ThisKeyword"] = 104] = "ThisKeyword";
- SyntaxKind[SyntaxKind["ThrowKeyword"] = 105] = "ThrowKeyword";
- SyntaxKind[SyntaxKind["TrueKeyword"] = 106] = "TrueKeyword";
- SyntaxKind[SyntaxKind["TryKeyword"] = 107] = "TryKeyword";
- SyntaxKind[SyntaxKind["TypeOfKeyword"] = 108] = "TypeOfKeyword";
- SyntaxKind[SyntaxKind["VarKeyword"] = 109] = "VarKeyword";
- SyntaxKind[SyntaxKind["VoidKeyword"] = 110] = "VoidKeyword";
- SyntaxKind[SyntaxKind["WhileKeyword"] = 111] = "WhileKeyword";
- SyntaxKind[SyntaxKind["WithKeyword"] = 112] = "WithKeyword";
- // Strict mode reserved words
- SyntaxKind[SyntaxKind["ImplementsKeyword"] = 113] = "ImplementsKeyword";
- SyntaxKind[SyntaxKind["InterfaceKeyword"] = 114] = "InterfaceKeyword";
- SyntaxKind[SyntaxKind["LetKeyword"] = 115] = "LetKeyword";
- SyntaxKind[SyntaxKind["PackageKeyword"] = 116] = "PackageKeyword";
- SyntaxKind[SyntaxKind["PrivateKeyword"] = 117] = "PrivateKeyword";
- SyntaxKind[SyntaxKind["ProtectedKeyword"] = 118] = "ProtectedKeyword";
- SyntaxKind[SyntaxKind["PublicKeyword"] = 119] = "PublicKeyword";
- SyntaxKind[SyntaxKind["StaticKeyword"] = 120] = "StaticKeyword";
- SyntaxKind[SyntaxKind["YieldKeyword"] = 121] = "YieldKeyword";
- // Contextual keywords
- SyntaxKind[SyntaxKind["AbstractKeyword"] = 122] = "AbstractKeyword";
- SyntaxKind[SyntaxKind["AsKeyword"] = 123] = "AsKeyword";
- SyntaxKind[SyntaxKind["AssertsKeyword"] = 124] = "AssertsKeyword";
- SyntaxKind[SyntaxKind["AnyKeyword"] = 125] = "AnyKeyword";
- SyntaxKind[SyntaxKind["AsyncKeyword"] = 126] = "AsyncKeyword";
- SyntaxKind[SyntaxKind["AwaitKeyword"] = 127] = "AwaitKeyword";
- SyntaxKind[SyntaxKind["BooleanKeyword"] = 128] = "BooleanKeyword";
- SyntaxKind[SyntaxKind["ConstructorKeyword"] = 129] = "ConstructorKeyword";
- SyntaxKind[SyntaxKind["DeclareKeyword"] = 130] = "DeclareKeyword";
- SyntaxKind[SyntaxKind["GetKeyword"] = 131] = "GetKeyword";
- SyntaxKind[SyntaxKind["InferKeyword"] = 132] = "InferKeyword";
- SyntaxKind[SyntaxKind["IsKeyword"] = 133] = "IsKeyword";
- SyntaxKind[SyntaxKind["KeyOfKeyword"] = 134] = "KeyOfKeyword";
- SyntaxKind[SyntaxKind["ModuleKeyword"] = 135] = "ModuleKeyword";
- SyntaxKind[SyntaxKind["NamespaceKeyword"] = 136] = "NamespaceKeyword";
- SyntaxKind[SyntaxKind["NeverKeyword"] = 137] = "NeverKeyword";
- SyntaxKind[SyntaxKind["ReadonlyKeyword"] = 138] = "ReadonlyKeyword";
- SyntaxKind[SyntaxKind["RequireKeyword"] = 139] = "RequireKeyword";
- SyntaxKind[SyntaxKind["NumberKeyword"] = 140] = "NumberKeyword";
- SyntaxKind[SyntaxKind["ObjectKeyword"] = 141] = "ObjectKeyword";
- SyntaxKind[SyntaxKind["SetKeyword"] = 142] = "SetKeyword";
- SyntaxKind[SyntaxKind["StringKeyword"] = 143] = "StringKeyword";
- SyntaxKind[SyntaxKind["SymbolKeyword"] = 144] = "SymbolKeyword";
- SyntaxKind[SyntaxKind["TypeKeyword"] = 145] = "TypeKeyword";
- SyntaxKind[SyntaxKind["UndefinedKeyword"] = 146] = "UndefinedKeyword";
- SyntaxKind[SyntaxKind["UniqueKeyword"] = 147] = "UniqueKeyword";
- SyntaxKind[SyntaxKind["UnknownKeyword"] = 148] = "UnknownKeyword";
- SyntaxKind[SyntaxKind["FromKeyword"] = 149] = "FromKeyword";
- SyntaxKind[SyntaxKind["GlobalKeyword"] = 150] = "GlobalKeyword";
- SyntaxKind[SyntaxKind["BigIntKeyword"] = 151] = "BigIntKeyword";
- SyntaxKind[SyntaxKind["OfKeyword"] = 152] = "OfKeyword";
- // Parse tree nodes
- // Names
- SyntaxKind[SyntaxKind["QualifiedName"] = 153] = "QualifiedName";
- SyntaxKind[SyntaxKind["ComputedPropertyName"] = 154] = "ComputedPropertyName";
- // Signature elements
- SyntaxKind[SyntaxKind["TypeParameter"] = 155] = "TypeParameter";
- SyntaxKind[SyntaxKind["Parameter"] = 156] = "Parameter";
- SyntaxKind[SyntaxKind["Decorator"] = 157] = "Decorator";
- // TypeMember
- SyntaxKind[SyntaxKind["PropertySignature"] = 158] = "PropertySignature";
- SyntaxKind[SyntaxKind["PropertyDeclaration"] = 159] = "PropertyDeclaration";
- SyntaxKind[SyntaxKind["MethodSignature"] = 160] = "MethodSignature";
- SyntaxKind[SyntaxKind["MethodDeclaration"] = 161] = "MethodDeclaration";
- SyntaxKind[SyntaxKind["Constructor"] = 162] = "Constructor";
- SyntaxKind[SyntaxKind["GetAccessor"] = 163] = "GetAccessor";
- SyntaxKind[SyntaxKind["SetAccessor"] = 164] = "SetAccessor";
- SyntaxKind[SyntaxKind["CallSignature"] = 165] = "CallSignature";
- SyntaxKind[SyntaxKind["ConstructSignature"] = 166] = "ConstructSignature";
- SyntaxKind[SyntaxKind["IndexSignature"] = 167] = "IndexSignature";
- // Type
- SyntaxKind[SyntaxKind["TypePredicate"] = 168] = "TypePredicate";
- SyntaxKind[SyntaxKind["TypeReference"] = 169] = "TypeReference";
- SyntaxKind[SyntaxKind["FunctionType"] = 170] = "FunctionType";
- SyntaxKind[SyntaxKind["ConstructorType"] = 171] = "ConstructorType";
- SyntaxKind[SyntaxKind["TypeQuery"] = 172] = "TypeQuery";
- SyntaxKind[SyntaxKind["TypeLiteral"] = 173] = "TypeLiteral";
- SyntaxKind[SyntaxKind["ArrayType"] = 174] = "ArrayType";
- SyntaxKind[SyntaxKind["TupleType"] = 175] = "TupleType";
- SyntaxKind[SyntaxKind["OptionalType"] = 176] = "OptionalType";
- SyntaxKind[SyntaxKind["RestType"] = 177] = "RestType";
- SyntaxKind[SyntaxKind["UnionType"] = 178] = "UnionType";
- SyntaxKind[SyntaxKind["IntersectionType"] = 179] = "IntersectionType";
- SyntaxKind[SyntaxKind["ConditionalType"] = 180] = "ConditionalType";
- SyntaxKind[SyntaxKind["InferType"] = 181] = "InferType";
- SyntaxKind[SyntaxKind["ParenthesizedType"] = 182] = "ParenthesizedType";
- SyntaxKind[SyntaxKind["ThisType"] = 183] = "ThisType";
- SyntaxKind[SyntaxKind["TypeOperator"] = 184] = "TypeOperator";
- SyntaxKind[SyntaxKind["IndexedAccessType"] = 185] = "IndexedAccessType";
- SyntaxKind[SyntaxKind["MappedType"] = 186] = "MappedType";
- SyntaxKind[SyntaxKind["LiteralType"] = 187] = "LiteralType";
- SyntaxKind[SyntaxKind["ImportType"] = 188] = "ImportType";
- // Binding patterns
- SyntaxKind[SyntaxKind["ObjectBindingPattern"] = 189] = "ObjectBindingPattern";
- SyntaxKind[SyntaxKind["ArrayBindingPattern"] = 190] = "ArrayBindingPattern";
- SyntaxKind[SyntaxKind["BindingElement"] = 191] = "BindingElement";
- // Expression
- SyntaxKind[SyntaxKind["ArrayLiteralExpression"] = 192] = "ArrayLiteralExpression";
- SyntaxKind[SyntaxKind["ObjectLiteralExpression"] = 193] = "ObjectLiteralExpression";
- SyntaxKind[SyntaxKind["PropertyAccessExpression"] = 194] = "PropertyAccessExpression";
- SyntaxKind[SyntaxKind["ElementAccessExpression"] = 195] = "ElementAccessExpression";
- SyntaxKind[SyntaxKind["CallExpression"] = 196] = "CallExpression";
- SyntaxKind[SyntaxKind["NewExpression"] = 197] = "NewExpression";
- SyntaxKind[SyntaxKind["TaggedTemplateExpression"] = 198] = "TaggedTemplateExpression";
- SyntaxKind[SyntaxKind["TypeAssertionExpression"] = 199] = "TypeAssertionExpression";
- SyntaxKind[SyntaxKind["ParenthesizedExpression"] = 200] = "ParenthesizedExpression";
- SyntaxKind[SyntaxKind["FunctionExpression"] = 201] = "FunctionExpression";
- SyntaxKind[SyntaxKind["ArrowFunction"] = 202] = "ArrowFunction";
- SyntaxKind[SyntaxKind["DeleteExpression"] = 203] = "DeleteExpression";
- SyntaxKind[SyntaxKind["TypeOfExpression"] = 204] = "TypeOfExpression";
- SyntaxKind[SyntaxKind["VoidExpression"] = 205] = "VoidExpression";
- SyntaxKind[SyntaxKind["AwaitExpression"] = 206] = "AwaitExpression";
- SyntaxKind[SyntaxKind["PrefixUnaryExpression"] = 207] = "PrefixUnaryExpression";
- SyntaxKind[SyntaxKind["PostfixUnaryExpression"] = 208] = "PostfixUnaryExpression";
- SyntaxKind[SyntaxKind["BinaryExpression"] = 209] = "BinaryExpression";
- SyntaxKind[SyntaxKind["ConditionalExpression"] = 210] = "ConditionalExpression";
- SyntaxKind[SyntaxKind["TemplateExpression"] = 211] = "TemplateExpression";
- SyntaxKind[SyntaxKind["YieldExpression"] = 212] = "YieldExpression";
- SyntaxKind[SyntaxKind["SpreadElement"] = 213] = "SpreadElement";
- SyntaxKind[SyntaxKind["ClassExpression"] = 214] = "ClassExpression";
- SyntaxKind[SyntaxKind["OmittedExpression"] = 215] = "OmittedExpression";
- SyntaxKind[SyntaxKind["ExpressionWithTypeArguments"] = 216] = "ExpressionWithTypeArguments";
- SyntaxKind[SyntaxKind["AsExpression"] = 217] = "AsExpression";
- SyntaxKind[SyntaxKind["NonNullExpression"] = 218] = "NonNullExpression";
- SyntaxKind[SyntaxKind["MetaProperty"] = 219] = "MetaProperty";
- SyntaxKind[SyntaxKind["SyntheticExpression"] = 220] = "SyntheticExpression";
- // Misc
- SyntaxKind[SyntaxKind["TemplateSpan"] = 221] = "TemplateSpan";
- SyntaxKind[SyntaxKind["SemicolonClassElement"] = 222] = "SemicolonClassElement";
- // Element
- SyntaxKind[SyntaxKind["Block"] = 223] = "Block";
- SyntaxKind[SyntaxKind["EmptyStatement"] = 224] = "EmptyStatement";
- SyntaxKind[SyntaxKind["VariableStatement"] = 225] = "VariableStatement";
- SyntaxKind[SyntaxKind["ExpressionStatement"] = 226] = "ExpressionStatement";
- SyntaxKind[SyntaxKind["IfStatement"] = 227] = "IfStatement";
- SyntaxKind[SyntaxKind["DoStatement"] = 228] = "DoStatement";
- SyntaxKind[SyntaxKind["WhileStatement"] = 229] = "WhileStatement";
- SyntaxKind[SyntaxKind["ForStatement"] = 230] = "ForStatement";
- SyntaxKind[SyntaxKind["ForInStatement"] = 231] = "ForInStatement";
- SyntaxKind[SyntaxKind["ForOfStatement"] = 232] = "ForOfStatement";
- SyntaxKind[SyntaxKind["ContinueStatement"] = 233] = "ContinueStatement";
- SyntaxKind[SyntaxKind["BreakStatement"] = 234] = "BreakStatement";
- SyntaxKind[SyntaxKind["ReturnStatement"] = 235] = "ReturnStatement";
- SyntaxKind[SyntaxKind["WithStatement"] = 236] = "WithStatement";
- SyntaxKind[SyntaxKind["SwitchStatement"] = 237] = "SwitchStatement";
- SyntaxKind[SyntaxKind["LabeledStatement"] = 238] = "LabeledStatement";
- SyntaxKind[SyntaxKind["ThrowStatement"] = 239] = "ThrowStatement";
- SyntaxKind[SyntaxKind["TryStatement"] = 240] = "TryStatement";
- SyntaxKind[SyntaxKind["DebuggerStatement"] = 241] = "DebuggerStatement";
- SyntaxKind[SyntaxKind["VariableDeclaration"] = 242] = "VariableDeclaration";
- SyntaxKind[SyntaxKind["VariableDeclarationList"] = 243] = "VariableDeclarationList";
- SyntaxKind[SyntaxKind["FunctionDeclaration"] = 244] = "FunctionDeclaration";
- SyntaxKind[SyntaxKind["ClassDeclaration"] = 245] = "ClassDeclaration";
- SyntaxKind[SyntaxKind["InterfaceDeclaration"] = 246] = "InterfaceDeclaration";
- SyntaxKind[SyntaxKind["TypeAliasDeclaration"] = 247] = "TypeAliasDeclaration";
- SyntaxKind[SyntaxKind["EnumDeclaration"] = 248] = "EnumDeclaration";
- SyntaxKind[SyntaxKind["ModuleDeclaration"] = 249] = "ModuleDeclaration";
- SyntaxKind[SyntaxKind["ModuleBlock"] = 250] = "ModuleBlock";
- SyntaxKind[SyntaxKind["CaseBlock"] = 251] = "CaseBlock";
- SyntaxKind[SyntaxKind["NamespaceExportDeclaration"] = 252] = "NamespaceExportDeclaration";
- SyntaxKind[SyntaxKind["ImportEqualsDeclaration"] = 253] = "ImportEqualsDeclaration";
- SyntaxKind[SyntaxKind["ImportDeclaration"] = 254] = "ImportDeclaration";
- SyntaxKind[SyntaxKind["ImportClause"] = 255] = "ImportClause";
- SyntaxKind[SyntaxKind["NamespaceImport"] = 256] = "NamespaceImport";
- SyntaxKind[SyntaxKind["NamedImports"] = 257] = "NamedImports";
- SyntaxKind[SyntaxKind["ImportSpecifier"] = 258] = "ImportSpecifier";
- SyntaxKind[SyntaxKind["ExportAssignment"] = 259] = "ExportAssignment";
- SyntaxKind[SyntaxKind["ExportDeclaration"] = 260] = "ExportDeclaration";
- SyntaxKind[SyntaxKind["NamedExports"] = 261] = "NamedExports";
- SyntaxKind[SyntaxKind["NamespaceExport"] = 262] = "NamespaceExport";
- SyntaxKind[SyntaxKind["ExportSpecifier"] = 263] = "ExportSpecifier";
- SyntaxKind[SyntaxKind["MissingDeclaration"] = 264] = "MissingDeclaration";
- // Module references
- SyntaxKind[SyntaxKind["ExternalModuleReference"] = 265] = "ExternalModuleReference";
- // JSX
- SyntaxKind[SyntaxKind["JsxElement"] = 266] = "JsxElement";
- SyntaxKind[SyntaxKind["JsxSelfClosingElement"] = 267] = "JsxSelfClosingElement";
- SyntaxKind[SyntaxKind["JsxOpeningElement"] = 268] = "JsxOpeningElement";
- SyntaxKind[SyntaxKind["JsxClosingElement"] = 269] = "JsxClosingElement";
- SyntaxKind[SyntaxKind["JsxFragment"] = 270] = "JsxFragment";
- SyntaxKind[SyntaxKind["JsxOpeningFragment"] = 271] = "JsxOpeningFragment";
- SyntaxKind[SyntaxKind["JsxClosingFragment"] = 272] = "JsxClosingFragment";
- SyntaxKind[SyntaxKind["JsxAttribute"] = 273] = "JsxAttribute";
- SyntaxKind[SyntaxKind["JsxAttributes"] = 274] = "JsxAttributes";
- SyntaxKind[SyntaxKind["JsxSpreadAttribute"] = 275] = "JsxSpreadAttribute";
- SyntaxKind[SyntaxKind["JsxExpression"] = 276] = "JsxExpression";
- // Clauses
- SyntaxKind[SyntaxKind["CaseClause"] = 277] = "CaseClause";
- SyntaxKind[SyntaxKind["DefaultClause"] = 278] = "DefaultClause";
- SyntaxKind[SyntaxKind["HeritageClause"] = 279] = "HeritageClause";
- SyntaxKind[SyntaxKind["CatchClause"] = 280] = "CatchClause";
- // Property assignments
- SyntaxKind[SyntaxKind["PropertyAssignment"] = 281] = "PropertyAssignment";
- SyntaxKind[SyntaxKind["ShorthandPropertyAssignment"] = 282] = "ShorthandPropertyAssignment";
- SyntaxKind[SyntaxKind["SpreadAssignment"] = 283] = "SpreadAssignment";
- // Enum
- SyntaxKind[SyntaxKind["EnumMember"] = 284] = "EnumMember";
- // Unparsed
- SyntaxKind[SyntaxKind["UnparsedPrologue"] = 285] = "UnparsedPrologue";
- SyntaxKind[SyntaxKind["UnparsedPrepend"] = 286] = "UnparsedPrepend";
- SyntaxKind[SyntaxKind["UnparsedText"] = 287] = "UnparsedText";
- SyntaxKind[SyntaxKind["UnparsedInternalText"] = 288] = "UnparsedInternalText";
- SyntaxKind[SyntaxKind["UnparsedSyntheticReference"] = 289] = "UnparsedSyntheticReference";
- // Top-level nodes
- SyntaxKind[SyntaxKind["SourceFile"] = 290] = "SourceFile";
- SyntaxKind[SyntaxKind["Bundle"] = 291] = "Bundle";
- SyntaxKind[SyntaxKind["UnparsedSource"] = 292] = "UnparsedSource";
- SyntaxKind[SyntaxKind["InputFiles"] = 293] = "InputFiles";
- // JSDoc nodes
- SyntaxKind[SyntaxKind["JSDocTypeExpression"] = 294] = "JSDocTypeExpression";
- // The * type
- SyntaxKind[SyntaxKind["JSDocAllType"] = 295] = "JSDocAllType";
- // The ? type
- SyntaxKind[SyntaxKind["JSDocUnknownType"] = 296] = "JSDocUnknownType";
- SyntaxKind[SyntaxKind["JSDocNullableType"] = 297] = "JSDocNullableType";
- SyntaxKind[SyntaxKind["JSDocNonNullableType"] = 298] = "JSDocNonNullableType";
- SyntaxKind[SyntaxKind["JSDocOptionalType"] = 299] = "JSDocOptionalType";
- SyntaxKind[SyntaxKind["JSDocFunctionType"] = 300] = "JSDocFunctionType";
- SyntaxKind[SyntaxKind["JSDocVariadicType"] = 301] = "JSDocVariadicType";
- // https://jsdoc.app/about-namepaths.html
- SyntaxKind[SyntaxKind["JSDocNamepathType"] = 302] = "JSDocNamepathType";
- SyntaxKind[SyntaxKind["JSDocComment"] = 303] = "JSDocComment";
- SyntaxKind[SyntaxKind["JSDocTypeLiteral"] = 304] = "JSDocTypeLiteral";
- SyntaxKind[SyntaxKind["JSDocSignature"] = 305] = "JSDocSignature";
- SyntaxKind[SyntaxKind["JSDocTag"] = 306] = "JSDocTag";
- SyntaxKind[SyntaxKind["JSDocAugmentsTag"] = 307] = "JSDocAugmentsTag";
- SyntaxKind[SyntaxKind["JSDocImplementsTag"] = 308] = "JSDocImplementsTag";
- SyntaxKind[SyntaxKind["JSDocAuthorTag"] = 309] = "JSDocAuthorTag";
- SyntaxKind[SyntaxKind["JSDocClassTag"] = 310] = "JSDocClassTag";
- SyntaxKind[SyntaxKind["JSDocPublicTag"] = 311] = "JSDocPublicTag";
- SyntaxKind[SyntaxKind["JSDocPrivateTag"] = 312] = "JSDocPrivateTag";
- SyntaxKind[SyntaxKind["JSDocProtectedTag"] = 313] = "JSDocProtectedTag";
- SyntaxKind[SyntaxKind["JSDocReadonlyTag"] = 314] = "JSDocReadonlyTag";
- SyntaxKind[SyntaxKind["JSDocCallbackTag"] = 315] = "JSDocCallbackTag";
- SyntaxKind[SyntaxKind["JSDocEnumTag"] = 316] = "JSDocEnumTag";
- SyntaxKind[SyntaxKind["JSDocParameterTag"] = 317] = "JSDocParameterTag";
- SyntaxKind[SyntaxKind["JSDocReturnTag"] = 318] = "JSDocReturnTag";
- SyntaxKind[SyntaxKind["JSDocThisTag"] = 319] = "JSDocThisTag";
- SyntaxKind[SyntaxKind["JSDocTypeTag"] = 320] = "JSDocTypeTag";
- SyntaxKind[SyntaxKind["JSDocTemplateTag"] = 321] = "JSDocTemplateTag";
- SyntaxKind[SyntaxKind["JSDocTypedefTag"] = 322] = "JSDocTypedefTag";
- SyntaxKind[SyntaxKind["JSDocPropertyTag"] = 323] = "JSDocPropertyTag";
- // Synthesized list
- SyntaxKind[SyntaxKind["SyntaxList"] = 324] = "SyntaxList";
- // Transformation nodes
- SyntaxKind[SyntaxKind["NotEmittedStatement"] = 325] = "NotEmittedStatement";
- SyntaxKind[SyntaxKind["PartiallyEmittedExpression"] = 326] = "PartiallyEmittedExpression";
- SyntaxKind[SyntaxKind["CommaListExpression"] = 327] = "CommaListExpression";
- SyntaxKind[SyntaxKind["MergeDeclarationMarker"] = 328] = "MergeDeclarationMarker";
- SyntaxKind[SyntaxKind["EndOfDeclarationMarker"] = 329] = "EndOfDeclarationMarker";
- SyntaxKind[SyntaxKind["SyntheticReferenceExpression"] = 330] = "SyntheticReferenceExpression";
- // Enum value count
- SyntaxKind[SyntaxKind["Count"] = 331] = "Count";
- // Markers
- SyntaxKind[SyntaxKind["FirstAssignment"] = 62] = "FirstAssignment";
- SyntaxKind[SyntaxKind["LastAssignment"] = 74] = "LastAssignment";
- SyntaxKind[SyntaxKind["FirstCompoundAssignment"] = 63] = "FirstCompoundAssignment";
- SyntaxKind[SyntaxKind["LastCompoundAssignment"] = 74] = "LastCompoundAssignment";
- SyntaxKind[SyntaxKind["FirstReservedWord"] = 77] = "FirstReservedWord";
- SyntaxKind[SyntaxKind["LastReservedWord"] = 112] = "LastReservedWord";
- SyntaxKind[SyntaxKind["FirstKeyword"] = 77] = "FirstKeyword";
- SyntaxKind[SyntaxKind["LastKeyword"] = 152] = "LastKeyword";
- SyntaxKind[SyntaxKind["FirstFutureReservedWord"] = 113] = "FirstFutureReservedWord";
- SyntaxKind[SyntaxKind["LastFutureReservedWord"] = 121] = "LastFutureReservedWord";
- SyntaxKind[SyntaxKind["FirstTypeNode"] = 168] = "FirstTypeNode";
- SyntaxKind[SyntaxKind["LastTypeNode"] = 188] = "LastTypeNode";
- SyntaxKind[SyntaxKind["FirstPunctuation"] = 18] = "FirstPunctuation";
- SyntaxKind[SyntaxKind["LastPunctuation"] = 74] = "LastPunctuation";
- SyntaxKind[SyntaxKind["FirstToken"] = 0] = "FirstToken";
- SyntaxKind[SyntaxKind["LastToken"] = 152] = "LastToken";
- SyntaxKind[SyntaxKind["FirstTriviaToken"] = 2] = "FirstTriviaToken";
- SyntaxKind[SyntaxKind["LastTriviaToken"] = 7] = "LastTriviaToken";
- SyntaxKind[SyntaxKind["FirstLiteralToken"] = 8] = "FirstLiteralToken";
- SyntaxKind[SyntaxKind["LastLiteralToken"] = 14] = "LastLiteralToken";
- SyntaxKind[SyntaxKind["FirstTemplateToken"] = 14] = "FirstTemplateToken";
- SyntaxKind[SyntaxKind["LastTemplateToken"] = 17] = "LastTemplateToken";
- SyntaxKind[SyntaxKind["FirstBinaryOperator"] = 29] = "FirstBinaryOperator";
- SyntaxKind[SyntaxKind["LastBinaryOperator"] = 74] = "LastBinaryOperator";
- SyntaxKind[SyntaxKind["FirstStatement"] = 225] = "FirstStatement";
- SyntaxKind[SyntaxKind["LastStatement"] = 241] = "LastStatement";
- SyntaxKind[SyntaxKind["FirstNode"] = 153] = "FirstNode";
- SyntaxKind[SyntaxKind["FirstJSDocNode"] = 294] = "FirstJSDocNode";
- SyntaxKind[SyntaxKind["LastJSDocNode"] = 323] = "LastJSDocNode";
- SyntaxKind[SyntaxKind["FirstJSDocTagNode"] = 306] = "FirstJSDocTagNode";
- SyntaxKind[SyntaxKind["LastJSDocTagNode"] = 323] = "LastJSDocTagNode";
- /* @internal */ SyntaxKind[SyntaxKind["FirstContextualKeyword"] = 122] = "FirstContextualKeyword";
- /* @internal */ SyntaxKind[SyntaxKind["LastContextualKeyword"] = 152] = "LastContextualKeyword";
- })(SyntaxKind = ts.SyntaxKind || (ts.SyntaxKind = {}));
- var NodeFlags;
- (function (NodeFlags) {
- NodeFlags[NodeFlags["None"] = 0] = "None";
- NodeFlags[NodeFlags["Let"] = 1] = "Let";
- NodeFlags[NodeFlags["Const"] = 2] = "Const";
- NodeFlags[NodeFlags["NestedNamespace"] = 4] = "NestedNamespace";
- NodeFlags[NodeFlags["Synthesized"] = 8] = "Synthesized";
- NodeFlags[NodeFlags["Namespace"] = 16] = "Namespace";
- NodeFlags[NodeFlags["OptionalChain"] = 32] = "OptionalChain";
- NodeFlags[NodeFlags["ExportContext"] = 64] = "ExportContext";
- NodeFlags[NodeFlags["ContainsThis"] = 128] = "ContainsThis";
- NodeFlags[NodeFlags["HasImplicitReturn"] = 256] = "HasImplicitReturn";
- NodeFlags[NodeFlags["HasExplicitReturn"] = 512] = "HasExplicitReturn";
- NodeFlags[NodeFlags["GlobalAugmentation"] = 1024] = "GlobalAugmentation";
- NodeFlags[NodeFlags["HasAsyncFunctions"] = 2048] = "HasAsyncFunctions";
- NodeFlags[NodeFlags["DisallowInContext"] = 4096] = "DisallowInContext";
- NodeFlags[NodeFlags["YieldContext"] = 8192] = "YieldContext";
- NodeFlags[NodeFlags["DecoratorContext"] = 16384] = "DecoratorContext";
- NodeFlags[NodeFlags["AwaitContext"] = 32768] = "AwaitContext";
- NodeFlags[NodeFlags["ThisNodeHasError"] = 65536] = "ThisNodeHasError";
- NodeFlags[NodeFlags["JavaScriptFile"] = 131072] = "JavaScriptFile";
- NodeFlags[NodeFlags["ThisNodeOrAnySubNodesHasError"] = 262144] = "ThisNodeOrAnySubNodesHasError";
- NodeFlags[NodeFlags["HasAggregatedChildData"] = 524288] = "HasAggregatedChildData";
- // These flags will be set when the parser encounters a dynamic import expression or 'import.meta' to avoid
- // walking the tree if the flags are not set. However, these flags are just a approximation
- // (hence why it's named "PossiblyContainsDynamicImport") because once set, the flags never get cleared.
- // During editing, if a dynamic import is removed, incremental parsing will *NOT* clear this flag.
- // This means that the tree will always be traversed during module resolution, or when looking for external module indicators.
- // However, the removal operation should not occur often and in the case of the
- // removal, it is likely that users will add the import anyway.
- // The advantage of this approach is its simplicity. For the case of batch compilation,
- // we guarantee that users won't have to pay the price of walking the tree if a dynamic import isn't used.
- /* @internal */ NodeFlags[NodeFlags["PossiblyContainsDynamicImport"] = 1048576] = "PossiblyContainsDynamicImport";
- /* @internal */ NodeFlags[NodeFlags["PossiblyContainsImportMeta"] = 2097152] = "PossiblyContainsImportMeta";
- NodeFlags[NodeFlags["JSDoc"] = 4194304] = "JSDoc";
- /* @internal */ NodeFlags[NodeFlags["Ambient"] = 8388608] = "Ambient";
- /* @internal */ NodeFlags[NodeFlags["InWithStatement"] = 16777216] = "InWithStatement";
- NodeFlags[NodeFlags["JsonFile"] = 33554432] = "JsonFile";
- /* @internal */ NodeFlags[NodeFlags["TypeCached"] = 67108864] = "TypeCached";
- NodeFlags[NodeFlags["BlockScoped"] = 3] = "BlockScoped";
- NodeFlags[NodeFlags["ReachabilityCheckFlags"] = 768] = "ReachabilityCheckFlags";
- NodeFlags[NodeFlags["ReachabilityAndEmitFlags"] = 2816] = "ReachabilityAndEmitFlags";
- // Parsing context flags
- NodeFlags[NodeFlags["ContextFlags"] = 25358336] = "ContextFlags";
- // Exclude these flags when parsing a Type
- NodeFlags[NodeFlags["TypeExcludesFlags"] = 40960] = "TypeExcludesFlags";
- // Represents all flags that are potentially set once and
- // never cleared on SourceFiles which get re-used in between incremental parses.
- // See the comment above on `PossiblyContainsDynamicImport` and `PossiblyContainsImportMeta`.
- /* @internal */ NodeFlags[NodeFlags["PermanentlySetIncrementalFlags"] = 3145728] = "PermanentlySetIncrementalFlags";
- })(NodeFlags = ts.NodeFlags || (ts.NodeFlags = {}));
- var ModifierFlags;
- (function (ModifierFlags) {
- ModifierFlags[ModifierFlags["None"] = 0] = "None";
- ModifierFlags[ModifierFlags["Export"] = 1] = "Export";
- ModifierFlags[ModifierFlags["Ambient"] = 2] = "Ambient";
- ModifierFlags[ModifierFlags["Public"] = 4] = "Public";
- ModifierFlags[ModifierFlags["Private"] = 8] = "Private";
- ModifierFlags[ModifierFlags["Protected"] = 16] = "Protected";
- ModifierFlags[ModifierFlags["Static"] = 32] = "Static";
- ModifierFlags[ModifierFlags["Readonly"] = 64] = "Readonly";
- ModifierFlags[ModifierFlags["Abstract"] = 128] = "Abstract";
- ModifierFlags[ModifierFlags["Async"] = 256] = "Async";
- ModifierFlags[ModifierFlags["Default"] = 512] = "Default";
- ModifierFlags[ModifierFlags["Const"] = 2048] = "Const";
- ModifierFlags[ModifierFlags["HasComputedFlags"] = 536870912] = "HasComputedFlags";
- ModifierFlags[ModifierFlags["AccessibilityModifier"] = 28] = "AccessibilityModifier";
- // Accessibility modifiers and 'readonly' can be attached to a parameter in a constructor to make it a property.
- ModifierFlags[ModifierFlags["ParameterPropertyModifier"] = 92] = "ParameterPropertyModifier";
- ModifierFlags[ModifierFlags["NonPublicAccessibilityModifier"] = 24] = "NonPublicAccessibilityModifier";
- ModifierFlags[ModifierFlags["TypeScriptModifier"] = 2270] = "TypeScriptModifier";
- ModifierFlags[ModifierFlags["ExportDefault"] = 513] = "ExportDefault";
- ModifierFlags[ModifierFlags["All"] = 3071] = "All";
- })(ModifierFlags = ts.ModifierFlags || (ts.ModifierFlags = {}));
- var JsxFlags;
- (function (JsxFlags) {
- JsxFlags[JsxFlags["None"] = 0] = "None";
- /** An element from a named property of the JSX.IntrinsicElements interface */
- JsxFlags[JsxFlags["IntrinsicNamedElement"] = 1] = "IntrinsicNamedElement";
- /** An element inferred from the string index signature of the JSX.IntrinsicElements interface */
- JsxFlags[JsxFlags["IntrinsicIndexedElement"] = 2] = "IntrinsicIndexedElement";
- JsxFlags[JsxFlags["IntrinsicElement"] = 3] = "IntrinsicElement";
- })(JsxFlags = ts.JsxFlags || (ts.JsxFlags = {}));
- /* @internal */
- var RelationComparisonResult;
- (function (RelationComparisonResult) {
- RelationComparisonResult[RelationComparisonResult["Succeeded"] = 1] = "Succeeded";
- RelationComparisonResult[RelationComparisonResult["Failed"] = 2] = "Failed";
- RelationComparisonResult[RelationComparisonResult["Reported"] = 4] = "Reported";
- RelationComparisonResult[RelationComparisonResult["ReportsUnmeasurable"] = 8] = "ReportsUnmeasurable";
- RelationComparisonResult[RelationComparisonResult["ReportsUnreliable"] = 16] = "ReportsUnreliable";
- RelationComparisonResult[RelationComparisonResult["ReportsMask"] = 24] = "ReportsMask";
- })(RelationComparisonResult = ts.RelationComparisonResult || (ts.RelationComparisonResult = {}));
- /*@internal*/
- var GeneratedIdentifierFlags;
- (function (GeneratedIdentifierFlags) {
- // Kinds
- GeneratedIdentifierFlags[GeneratedIdentifierFlags["None"] = 0] = "None";
- GeneratedIdentifierFlags[GeneratedIdentifierFlags["Auto"] = 1] = "Auto";
- GeneratedIdentifierFlags[GeneratedIdentifierFlags["Loop"] = 2] = "Loop";
- GeneratedIdentifierFlags[GeneratedIdentifierFlags["Unique"] = 3] = "Unique";
- GeneratedIdentifierFlags[GeneratedIdentifierFlags["Node"] = 4] = "Node";
- GeneratedIdentifierFlags[GeneratedIdentifierFlags["KindMask"] = 7] = "KindMask";
- // Flags
- GeneratedIdentifierFlags[GeneratedIdentifierFlags["ReservedInNestedScopes"] = 8] = "ReservedInNestedScopes";
- GeneratedIdentifierFlags[GeneratedIdentifierFlags["Optimistic"] = 16] = "Optimistic";
- GeneratedIdentifierFlags[GeneratedIdentifierFlags["FileLevel"] = 32] = "FileLevel";
- })(GeneratedIdentifierFlags = ts.GeneratedIdentifierFlags || (ts.GeneratedIdentifierFlags = {}));
- var TokenFlags;
- (function (TokenFlags) {
- TokenFlags[TokenFlags["None"] = 0] = "None";
- /* @internal */
- TokenFlags[TokenFlags["PrecedingLineBreak"] = 1] = "PrecedingLineBreak";
- /* @internal */
- TokenFlags[TokenFlags["PrecedingJSDocComment"] = 2] = "PrecedingJSDocComment";
- /* @internal */
- TokenFlags[TokenFlags["Unterminated"] = 4] = "Unterminated";
- /* @internal */
- TokenFlags[TokenFlags["ExtendedUnicodeEscape"] = 8] = "ExtendedUnicodeEscape";
- TokenFlags[TokenFlags["Scientific"] = 16] = "Scientific";
- TokenFlags[TokenFlags["Octal"] = 32] = "Octal";
- TokenFlags[TokenFlags["HexSpecifier"] = 64] = "HexSpecifier";
- TokenFlags[TokenFlags["BinarySpecifier"] = 128] = "BinarySpecifier";
- TokenFlags[TokenFlags["OctalSpecifier"] = 256] = "OctalSpecifier";
- /* @internal */
- TokenFlags[TokenFlags["ContainsSeparator"] = 512] = "ContainsSeparator";
- /* @internal */
- TokenFlags[TokenFlags["UnicodeEscape"] = 1024] = "UnicodeEscape";
- /* @internal */
- TokenFlags[TokenFlags["ContainsInvalidEscape"] = 2048] = "ContainsInvalidEscape";
- /* @internal */
- TokenFlags[TokenFlags["BinaryOrOctalSpecifier"] = 384] = "BinaryOrOctalSpecifier";
- /* @internal */
- TokenFlags[TokenFlags["NumericLiteralFlags"] = 1008] = "NumericLiteralFlags";
- })(TokenFlags = ts.TokenFlags || (ts.TokenFlags = {}));
- // NOTE: Ensure this is up-to-date with src/debug/debug.ts
- var FlowFlags;
- (function (FlowFlags) {
- FlowFlags[FlowFlags["Unreachable"] = 1] = "Unreachable";
- FlowFlags[FlowFlags["Start"] = 2] = "Start";
- FlowFlags[FlowFlags["BranchLabel"] = 4] = "BranchLabel";
- FlowFlags[FlowFlags["LoopLabel"] = 8] = "LoopLabel";
- FlowFlags[FlowFlags["Assignment"] = 16] = "Assignment";
- FlowFlags[FlowFlags["TrueCondition"] = 32] = "TrueCondition";
- FlowFlags[FlowFlags["FalseCondition"] = 64] = "FalseCondition";
- FlowFlags[FlowFlags["SwitchClause"] = 128] = "SwitchClause";
- FlowFlags[FlowFlags["ArrayMutation"] = 256] = "ArrayMutation";
- FlowFlags[FlowFlags["Call"] = 512] = "Call";
- FlowFlags[FlowFlags["ReduceLabel"] = 1024] = "ReduceLabel";
- FlowFlags[FlowFlags["Referenced"] = 2048] = "Referenced";
- FlowFlags[FlowFlags["Shared"] = 4096] = "Shared";
- FlowFlags[FlowFlags["Label"] = 12] = "Label";
- FlowFlags[FlowFlags["Condition"] = 96] = "Condition";
- })(FlowFlags = ts.FlowFlags || (ts.FlowFlags = {}));
- /* @internal */
- var CommentDirectiveType;
- (function (CommentDirectiveType) {
- CommentDirectiveType[CommentDirectiveType["ExpectError"] = 0] = "ExpectError";
- CommentDirectiveType[CommentDirectiveType["Ignore"] = 1] = "Ignore";
- })(CommentDirectiveType = ts.CommentDirectiveType || (ts.CommentDirectiveType = {}));
- var OperationCanceledException = /** @class */ (function () {
- function OperationCanceledException() {
- }
- return OperationCanceledException;
- }());
- ts.OperationCanceledException = OperationCanceledException;
- /*@internal*/
- var RefFileKind;
- (function (RefFileKind) {
- RefFileKind[RefFileKind["Import"] = 0] = "Import";
- RefFileKind[RefFileKind["ReferenceFile"] = 1] = "ReferenceFile";
- RefFileKind[RefFileKind["TypeReferenceDirective"] = 2] = "TypeReferenceDirective";
- })(RefFileKind = ts.RefFileKind || (ts.RefFileKind = {}));
- /* @internal */
- var StructureIsReused;
- (function (StructureIsReused) {
- StructureIsReused[StructureIsReused["Not"] = 0] = "Not";
- StructureIsReused[StructureIsReused["SafeModules"] = 1] = "SafeModules";
- StructureIsReused[StructureIsReused["Completely"] = 2] = "Completely";
- })(StructureIsReused = ts.StructureIsReused || (ts.StructureIsReused = {}));
- /** Return code used by getEmitOutput function to indicate status of the function */
- var ExitStatus;
- (function (ExitStatus) {
- // Compiler ran successfully. Either this was a simple do-nothing compilation (for example,
- // when -version or -help was provided, or this was a normal compilation, no diagnostics
- // were produced, and all outputs were generated successfully.
- ExitStatus[ExitStatus["Success"] = 0] = "Success";
- // Diagnostics were produced and because of them no code was generated.
- ExitStatus[ExitStatus["DiagnosticsPresent_OutputsSkipped"] = 1] = "DiagnosticsPresent_OutputsSkipped";
- // Diagnostics were produced and outputs were generated in spite of them.
- ExitStatus[ExitStatus["DiagnosticsPresent_OutputsGenerated"] = 2] = "DiagnosticsPresent_OutputsGenerated";
- // When build skipped because passed in project is invalid
- ExitStatus[ExitStatus["InvalidProject_OutputsSkipped"] = 3] = "InvalidProject_OutputsSkipped";
- // When build is skipped because project references form cycle
- ExitStatus[ExitStatus["ProjectReferenceCycle_OutputsSkipped"] = 4] = "ProjectReferenceCycle_OutputsSkipped";
- /** @deprecated Use ProjectReferenceCycle_OutputsSkipped instead. */
- ExitStatus[ExitStatus["ProjectReferenceCycle_OutputsSkupped"] = 4] = "ProjectReferenceCycle_OutputsSkupped";
- })(ExitStatus = ts.ExitStatus || (ts.ExitStatus = {}));
- /* @internal */
- var UnionReduction;
- (function (UnionReduction) {
- UnionReduction[UnionReduction["None"] = 0] = "None";
- UnionReduction[UnionReduction["Literal"] = 1] = "Literal";
- UnionReduction[UnionReduction["Subtype"] = 2] = "Subtype";
- })(UnionReduction = ts.UnionReduction || (ts.UnionReduction = {}));
- /* @internal */
- var ContextFlags;
- (function (ContextFlags) {
- ContextFlags[ContextFlags["None"] = 0] = "None";
- ContextFlags[ContextFlags["Signature"] = 1] = "Signature";
- ContextFlags[ContextFlags["NoConstraints"] = 2] = "NoConstraints";
- ContextFlags[ContextFlags["Completions"] = 4] = "Completions";
- })(ContextFlags = ts.ContextFlags || (ts.ContextFlags = {}));
- // NOTE: If modifying this enum, must modify `TypeFormatFlags` too!
- var NodeBuilderFlags;
- (function (NodeBuilderFlags) {
- NodeBuilderFlags[NodeBuilderFlags["None"] = 0] = "None";
- // Options
- NodeBuilderFlags[NodeBuilderFlags["NoTruncation"] = 1] = "NoTruncation";
- NodeBuilderFlags[NodeBuilderFlags["WriteArrayAsGenericType"] = 2] = "WriteArrayAsGenericType";
- NodeBuilderFlags[NodeBuilderFlags["GenerateNamesForShadowedTypeParams"] = 4] = "GenerateNamesForShadowedTypeParams";
- NodeBuilderFlags[NodeBuilderFlags["UseStructuralFallback"] = 8] = "UseStructuralFallback";
- NodeBuilderFlags[NodeBuilderFlags["ForbidIndexedAccessSymbolReferences"] = 16] = "ForbidIndexedAccessSymbolReferences";
- NodeBuilderFlags[NodeBuilderFlags["WriteTypeArgumentsOfSignature"] = 32] = "WriteTypeArgumentsOfSignature";
- NodeBuilderFlags[NodeBuilderFlags["UseFullyQualifiedType"] = 64] = "UseFullyQualifiedType";
- NodeBuilderFlags[NodeBuilderFlags["UseOnlyExternalAliasing"] = 128] = "UseOnlyExternalAliasing";
- NodeBuilderFlags[NodeBuilderFlags["SuppressAnyReturnType"] = 256] = "SuppressAnyReturnType";
- NodeBuilderFlags[NodeBuilderFlags["WriteTypeParametersInQualifiedName"] = 512] = "WriteTypeParametersInQualifiedName";
- NodeBuilderFlags[NodeBuilderFlags["MultilineObjectLiterals"] = 1024] = "MultilineObjectLiterals";
- NodeBuilderFlags[NodeBuilderFlags["WriteClassExpressionAsTypeLiteral"] = 2048] = "WriteClassExpressionAsTypeLiteral";
- NodeBuilderFlags[NodeBuilderFlags["UseTypeOfFunction"] = 4096] = "UseTypeOfFunction";
- NodeBuilderFlags[NodeBuilderFlags["OmitParameterModifiers"] = 8192] = "OmitParameterModifiers";
- NodeBuilderFlags[NodeBuilderFlags["UseAliasDefinedOutsideCurrentScope"] = 16384] = "UseAliasDefinedOutsideCurrentScope";
- NodeBuilderFlags[NodeBuilderFlags["UseSingleQuotesForStringLiteralType"] = 268435456] = "UseSingleQuotesForStringLiteralType";
- NodeBuilderFlags[NodeBuilderFlags["NoTypeReduction"] = 536870912] = "NoTypeReduction";
- // Error handling
- NodeBuilderFlags[NodeBuilderFlags["AllowThisInObjectLiteral"] = 32768] = "AllowThisInObjectLiteral";
- NodeBuilderFlags[NodeBuilderFlags["AllowQualifedNameInPlaceOfIdentifier"] = 65536] = "AllowQualifedNameInPlaceOfIdentifier";
- NodeBuilderFlags[NodeBuilderFlags["AllowAnonymousIdentifier"] = 131072] = "AllowAnonymousIdentifier";
- NodeBuilderFlags[NodeBuilderFlags["AllowEmptyUnionOrIntersection"] = 262144] = "AllowEmptyUnionOrIntersection";
- NodeBuilderFlags[NodeBuilderFlags["AllowEmptyTuple"] = 524288] = "AllowEmptyTuple";
- NodeBuilderFlags[NodeBuilderFlags["AllowUniqueESSymbolType"] = 1048576] = "AllowUniqueESSymbolType";
- NodeBuilderFlags[NodeBuilderFlags["AllowEmptyIndexInfoType"] = 2097152] = "AllowEmptyIndexInfoType";
- // Errors (cont.)
- NodeBuilderFlags[NodeBuilderFlags["AllowNodeModulesRelativePaths"] = 67108864] = "AllowNodeModulesRelativePaths";
- /* @internal */ NodeBuilderFlags[NodeBuilderFlags["DoNotIncludeSymbolChain"] = 134217728] = "DoNotIncludeSymbolChain";
- NodeBuilderFlags[NodeBuilderFlags["IgnoreErrors"] = 70221824] = "IgnoreErrors";
- // State
- NodeBuilderFlags[NodeBuilderFlags["InObjectTypeLiteral"] = 4194304] = "InObjectTypeLiteral";
- NodeBuilderFlags[NodeBuilderFlags["InTypeAlias"] = 8388608] = "InTypeAlias";
- NodeBuilderFlags[NodeBuilderFlags["InInitialEntityName"] = 16777216] = "InInitialEntityName";
- NodeBuilderFlags[NodeBuilderFlags["InReverseMappedType"] = 33554432] = "InReverseMappedType";
- })(NodeBuilderFlags = ts.NodeBuilderFlags || (ts.NodeBuilderFlags = {}));
- // Ensure the shared flags between this and `NodeBuilderFlags` stay in alignment
- var TypeFormatFlags;
- (function (TypeFormatFlags) {
- TypeFormatFlags[TypeFormatFlags["None"] = 0] = "None";
- TypeFormatFlags[TypeFormatFlags["NoTruncation"] = 1] = "NoTruncation";
- TypeFormatFlags[TypeFormatFlags["WriteArrayAsGenericType"] = 2] = "WriteArrayAsGenericType";
- // hole because there's a hole in node builder flags
- TypeFormatFlags[TypeFormatFlags["UseStructuralFallback"] = 8] = "UseStructuralFallback";
- // hole because there's a hole in node builder flags
- TypeFormatFlags[TypeFormatFlags["WriteTypeArgumentsOfSignature"] = 32] = "WriteTypeArgumentsOfSignature";
- TypeFormatFlags[TypeFormatFlags["UseFullyQualifiedType"] = 64] = "UseFullyQualifiedType";
- // hole because `UseOnlyExternalAliasing` is here in node builder flags, but functions which take old flags use `SymbolFormatFlags` instead
- TypeFormatFlags[TypeFormatFlags["SuppressAnyReturnType"] = 256] = "SuppressAnyReturnType";
- // hole because `WriteTypeParametersInQualifiedName` is here in node builder flags, but functions which take old flags use `SymbolFormatFlags` for this instead
- TypeFormatFlags[TypeFormatFlags["MultilineObjectLiterals"] = 1024] = "MultilineObjectLiterals";
- TypeFormatFlags[TypeFormatFlags["WriteClassExpressionAsTypeLiteral"] = 2048] = "WriteClassExpressionAsTypeLiteral";
- TypeFormatFlags[TypeFormatFlags["UseTypeOfFunction"] = 4096] = "UseTypeOfFunction";
- TypeFormatFlags[TypeFormatFlags["OmitParameterModifiers"] = 8192] = "OmitParameterModifiers";
- TypeFormatFlags[TypeFormatFlags["UseAliasDefinedOutsideCurrentScope"] = 16384] = "UseAliasDefinedOutsideCurrentScope";
- TypeFormatFlags[TypeFormatFlags["UseSingleQuotesForStringLiteralType"] = 268435456] = "UseSingleQuotesForStringLiteralType";
- TypeFormatFlags[TypeFormatFlags["NoTypeReduction"] = 536870912] = "NoTypeReduction";
- // Error Handling
- TypeFormatFlags[TypeFormatFlags["AllowUniqueESSymbolType"] = 1048576] = "AllowUniqueESSymbolType";
- // TypeFormatFlags exclusive
- TypeFormatFlags[TypeFormatFlags["AddUndefined"] = 131072] = "AddUndefined";
- TypeFormatFlags[TypeFormatFlags["WriteArrowStyleSignature"] = 262144] = "WriteArrowStyleSignature";
- // State
- TypeFormatFlags[TypeFormatFlags["InArrayType"] = 524288] = "InArrayType";
- TypeFormatFlags[TypeFormatFlags["InElementType"] = 2097152] = "InElementType";
- TypeFormatFlags[TypeFormatFlags["InFirstTypeArgument"] = 4194304] = "InFirstTypeArgument";
- TypeFormatFlags[TypeFormatFlags["InTypeAlias"] = 8388608] = "InTypeAlias";
- /** @deprecated */ TypeFormatFlags[TypeFormatFlags["WriteOwnNameForAnyLike"] = 0] = "WriteOwnNameForAnyLike";
- TypeFormatFlags[TypeFormatFlags["NodeBuilderFlagsMask"] = 814775659] = "NodeBuilderFlagsMask";
- })(TypeFormatFlags = ts.TypeFormatFlags || (ts.TypeFormatFlags = {}));
- var SymbolFormatFlags;
- (function (SymbolFormatFlags) {
- SymbolFormatFlags[SymbolFormatFlags["None"] = 0] = "None";
- // Write symbols's type argument if it is instantiated symbol
- // eg. class C<T> { p: T } <-- Show p as C<T>.p here
- // var a: C<number>;
- // var p = a.p; <--- Here p is property of C<number> so show it as C<number>.p instead of just C.p
- SymbolFormatFlags[SymbolFormatFlags["WriteTypeParametersOrArguments"] = 1] = "WriteTypeParametersOrArguments";
- // Use only external alias information to get the symbol name in the given context
- // eg. module m { export class c { } } import x = m.c;
- // When this flag is specified m.c will be used to refer to the class instead of alias symbol x
- SymbolFormatFlags[SymbolFormatFlags["UseOnlyExternalAliasing"] = 2] = "UseOnlyExternalAliasing";
- // Build symbol name using any nodes needed, instead of just components of an entity name
- SymbolFormatFlags[SymbolFormatFlags["AllowAnyNodeKind"] = 4] = "AllowAnyNodeKind";
- // Prefer aliases which are not directly visible
- SymbolFormatFlags[SymbolFormatFlags["UseAliasDefinedOutsideCurrentScope"] = 8] = "UseAliasDefinedOutsideCurrentScope";
- // Skip building an accessible symbol chain
- /* @internal */ SymbolFormatFlags[SymbolFormatFlags["DoNotIncludeSymbolChain"] = 16] = "DoNotIncludeSymbolChain";
- })(SymbolFormatFlags = ts.SymbolFormatFlags || (ts.SymbolFormatFlags = {}));
- /* @internal */
- var SymbolAccessibility;
- (function (SymbolAccessibility) {
- SymbolAccessibility[SymbolAccessibility["Accessible"] = 0] = "Accessible";
- SymbolAccessibility[SymbolAccessibility["NotAccessible"] = 1] = "NotAccessible";
- SymbolAccessibility[SymbolAccessibility["CannotBeNamed"] = 2] = "CannotBeNamed";
- })(SymbolAccessibility = ts.SymbolAccessibility || (ts.SymbolAccessibility = {}));
- /* @internal */
- var SyntheticSymbolKind;
- (function (SyntheticSymbolKind) {
- SyntheticSymbolKind[SyntheticSymbolKind["UnionOrIntersection"] = 0] = "UnionOrIntersection";
- SyntheticSymbolKind[SyntheticSymbolKind["Spread"] = 1] = "Spread";
- })(SyntheticSymbolKind = ts.SyntheticSymbolKind || (ts.SyntheticSymbolKind = {}));
- var TypePredicateKind;
- (function (TypePredicateKind) {
- TypePredicateKind[TypePredicateKind["This"] = 0] = "This";
- TypePredicateKind[TypePredicateKind["Identifier"] = 1] = "Identifier";
- TypePredicateKind[TypePredicateKind["AssertsThis"] = 2] = "AssertsThis";
- TypePredicateKind[TypePredicateKind["AssertsIdentifier"] = 3] = "AssertsIdentifier";
- })(TypePredicateKind = ts.TypePredicateKind || (ts.TypePredicateKind = {}));
- /** Indicates how to serialize the name for a TypeReferenceNode when emitting decorator metadata */
- /* @internal */
- var TypeReferenceSerializationKind;
- (function (TypeReferenceSerializationKind) {
- // The TypeReferenceNode could not be resolved.
- // The type name should be emitted using a safe fallback.
- TypeReferenceSerializationKind[TypeReferenceSerializationKind["Unknown"] = 0] = "Unknown";
- // The TypeReferenceNode resolves to a type with a constructor
- // function that can be reached at runtime (e.g. a `class`
- // declaration or a `var` declaration for the static side
- // of a type, such as the global `Promise` type in lib.d.ts).
- TypeReferenceSerializationKind[TypeReferenceSerializationKind["TypeWithConstructSignatureAndValue"] = 1] = "TypeWithConstructSignatureAndValue";
- // The TypeReferenceNode resolves to a Void-like, Nullable, or Never type.
- TypeReferenceSerializationKind[TypeReferenceSerializationKind["VoidNullableOrNeverType"] = 2] = "VoidNullableOrNeverType";
- // The TypeReferenceNode resolves to a Number-like type.
- TypeReferenceSerializationKind[TypeReferenceSerializationKind["NumberLikeType"] = 3] = "NumberLikeType";
- // The TypeReferenceNode resolves to a BigInt-like type.
- TypeReferenceSerializationKind[TypeReferenceSerializationKind["BigIntLikeType"] = 4] = "BigIntLikeType";
- // The TypeReferenceNode resolves to a String-like type.
- TypeReferenceSerializationKind[TypeReferenceSerializationKind["StringLikeType"] = 5] = "StringLikeType";
- // The TypeReferenceNode resolves to a Boolean-like type.
- TypeReferenceSerializationKind[TypeReferenceSerializationKind["BooleanType"] = 6] = "BooleanType";
- // The TypeReferenceNode resolves to an Array-like type.
- TypeReferenceSerializationKind[TypeReferenceSerializationKind["ArrayLikeType"] = 7] = "ArrayLikeType";
- // The TypeReferenceNode resolves to the ESSymbol type.
- TypeReferenceSerializationKind[TypeReferenceSerializationKind["ESSymbolType"] = 8] = "ESSymbolType";
- // The TypeReferenceNode resolved to the global Promise constructor symbol.
- TypeReferenceSerializationKind[TypeReferenceSerializationKind["Promise"] = 9] = "Promise";
- // The TypeReferenceNode resolves to a Function type or a type with call signatures.
- TypeReferenceSerializationKind[TypeReferenceSerializationKind["TypeWithCallSignature"] = 10] = "TypeWithCallSignature";
- // The TypeReferenceNode resolves to any other type.
- TypeReferenceSerializationKind[TypeReferenceSerializationKind["ObjectType"] = 11] = "ObjectType";
- })(TypeReferenceSerializationKind = ts.TypeReferenceSerializationKind || (ts.TypeReferenceSerializationKind = {}));
- var SymbolFlags;
- (function (SymbolFlags) {
- SymbolFlags[SymbolFlags["None"] = 0] = "None";
- SymbolFlags[SymbolFlags["FunctionScopedVariable"] = 1] = "FunctionScopedVariable";
- SymbolFlags[SymbolFlags["BlockScopedVariable"] = 2] = "BlockScopedVariable";
- SymbolFlags[SymbolFlags["Property"] = 4] = "Property";
- SymbolFlags[SymbolFlags["EnumMember"] = 8] = "EnumMember";
- SymbolFlags[SymbolFlags["Function"] = 16] = "Function";
- SymbolFlags[SymbolFlags["Class"] = 32] = "Class";
- SymbolFlags[SymbolFlags["Interface"] = 64] = "Interface";
- SymbolFlags[SymbolFlags["ConstEnum"] = 128] = "ConstEnum";
- SymbolFlags[SymbolFlags["RegularEnum"] = 256] = "RegularEnum";
- SymbolFlags[SymbolFlags["ValueModule"] = 512] = "ValueModule";
- SymbolFlags[SymbolFlags["NamespaceModule"] = 1024] = "NamespaceModule";
- SymbolFlags[SymbolFlags["TypeLiteral"] = 2048] = "TypeLiteral";
- SymbolFlags[SymbolFlags["ObjectLiteral"] = 4096] = "ObjectLiteral";
- SymbolFlags[SymbolFlags["Method"] = 8192] = "Method";
- SymbolFlags[SymbolFlags["Constructor"] = 16384] = "Constructor";
- SymbolFlags[SymbolFlags["GetAccessor"] = 32768] = "GetAccessor";
- SymbolFlags[SymbolFlags["SetAccessor"] = 65536] = "SetAccessor";
- SymbolFlags[SymbolFlags["Signature"] = 131072] = "Signature";
- SymbolFlags[SymbolFlags["TypeParameter"] = 262144] = "TypeParameter";
- SymbolFlags[SymbolFlags["TypeAlias"] = 524288] = "TypeAlias";
- SymbolFlags[SymbolFlags["ExportValue"] = 1048576] = "ExportValue";
- SymbolFlags[SymbolFlags["Alias"] = 2097152] = "Alias";
- SymbolFlags[SymbolFlags["Prototype"] = 4194304] = "Prototype";
- SymbolFlags[SymbolFlags["ExportStar"] = 8388608] = "ExportStar";
- SymbolFlags[SymbolFlags["Optional"] = 16777216] = "Optional";
- SymbolFlags[SymbolFlags["Transient"] = 33554432] = "Transient";
- SymbolFlags[SymbolFlags["Assignment"] = 67108864] = "Assignment";
- SymbolFlags[SymbolFlags["ModuleExports"] = 134217728] = "ModuleExports";
- /* @internal */
- SymbolFlags[SymbolFlags["All"] = 67108863] = "All";
- SymbolFlags[SymbolFlags["Enum"] = 384] = "Enum";
- SymbolFlags[SymbolFlags["Variable"] = 3] = "Variable";
- SymbolFlags[SymbolFlags["Value"] = 111551] = "Value";
- SymbolFlags[SymbolFlags["Type"] = 788968] = "Type";
- SymbolFlags[SymbolFlags["Namespace"] = 1920] = "Namespace";
- SymbolFlags[SymbolFlags["Module"] = 1536] = "Module";
- SymbolFlags[SymbolFlags["Accessor"] = 98304] = "Accessor";
- // Variables can be redeclared, but can not redeclare a block-scoped declaration with the
- // same name, or any other value that is not a variable, e.g. ValueModule or Class
- SymbolFlags[SymbolFlags["FunctionScopedVariableExcludes"] = 111550] = "FunctionScopedVariableExcludes";
- // Block-scoped declarations are not allowed to be re-declared
- // they can not merge with anything in the value space
- SymbolFlags[SymbolFlags["BlockScopedVariableExcludes"] = 111551] = "BlockScopedVariableExcludes";
- SymbolFlags[SymbolFlags["ParameterExcludes"] = 111551] = "ParameterExcludes";
- SymbolFlags[SymbolFlags["PropertyExcludes"] = 0] = "PropertyExcludes";
- SymbolFlags[SymbolFlags["EnumMemberExcludes"] = 900095] = "EnumMemberExcludes";
- SymbolFlags[SymbolFlags["FunctionExcludes"] = 110991] = "FunctionExcludes";
- SymbolFlags[SymbolFlags["ClassExcludes"] = 899503] = "ClassExcludes";
- SymbolFlags[SymbolFlags["InterfaceExcludes"] = 788872] = "InterfaceExcludes";
- SymbolFlags[SymbolFlags["RegularEnumExcludes"] = 899327] = "RegularEnumExcludes";
- SymbolFlags[SymbolFlags["ConstEnumExcludes"] = 899967] = "ConstEnumExcludes";
- SymbolFlags[SymbolFlags["ValueModuleExcludes"] = 110735] = "ValueModuleExcludes";
- SymbolFlags[SymbolFlags["NamespaceModuleExcludes"] = 0] = "NamespaceModuleExcludes";
- SymbolFlags[SymbolFlags["MethodExcludes"] = 103359] = "MethodExcludes";
- SymbolFlags[SymbolFlags["GetAccessorExcludes"] = 46015] = "GetAccessorExcludes";
- SymbolFlags[SymbolFlags["SetAccessorExcludes"] = 78783] = "SetAccessorExcludes";
- SymbolFlags[SymbolFlags["TypeParameterExcludes"] = 526824] = "TypeParameterExcludes";
- SymbolFlags[SymbolFlags["TypeAliasExcludes"] = 788968] = "TypeAliasExcludes";
- SymbolFlags[SymbolFlags["AliasExcludes"] = 2097152] = "AliasExcludes";
- SymbolFlags[SymbolFlags["ModuleMember"] = 2623475] = "ModuleMember";
- SymbolFlags[SymbolFlags["ExportHasLocal"] = 944] = "ExportHasLocal";
- SymbolFlags[SymbolFlags["BlockScoped"] = 418] = "BlockScoped";
- SymbolFlags[SymbolFlags["PropertyOrAccessor"] = 98308] = "PropertyOrAccessor";
- SymbolFlags[SymbolFlags["ClassMember"] = 106500] = "ClassMember";
- /* @internal */
- SymbolFlags[SymbolFlags["ExportSupportsDefaultModifier"] = 112] = "ExportSupportsDefaultModifier";
- /* @internal */
- SymbolFlags[SymbolFlags["ExportDoesNotSupportDefaultModifier"] = -113] = "ExportDoesNotSupportDefaultModifier";
- /* @internal */
- // The set of things we consider semantically classifiable. Used to speed up the LS during
- // classification.
- SymbolFlags[SymbolFlags["Classifiable"] = 2885600] = "Classifiable";
- /* @internal */
- SymbolFlags[SymbolFlags["LateBindingContainer"] = 6256] = "LateBindingContainer";
- })(SymbolFlags = ts.SymbolFlags || (ts.SymbolFlags = {}));
- /* @internal */
- var EnumKind;
- (function (EnumKind) {
- EnumKind[EnumKind["Numeric"] = 0] = "Numeric";
- EnumKind[EnumKind["Literal"] = 1] = "Literal"; // Literal enum (each member has a TypeFlags.EnumLiteral type)
- })(EnumKind = ts.EnumKind || (ts.EnumKind = {}));
- /* @internal */
- var CheckFlags;
- (function (CheckFlags) {
- CheckFlags[CheckFlags["Instantiated"] = 1] = "Instantiated";
- CheckFlags[CheckFlags["SyntheticProperty"] = 2] = "SyntheticProperty";
- CheckFlags[CheckFlags["SyntheticMethod"] = 4] = "SyntheticMethod";
- CheckFlags[CheckFlags["Readonly"] = 8] = "Readonly";
- CheckFlags[CheckFlags["ReadPartial"] = 16] = "ReadPartial";
- CheckFlags[CheckFlags["WritePartial"] = 32] = "WritePartial";
- CheckFlags[CheckFlags["HasNonUniformType"] = 64] = "HasNonUniformType";
- CheckFlags[CheckFlags["HasLiteralType"] = 128] = "HasLiteralType";
- CheckFlags[CheckFlags["ContainsPublic"] = 256] = "ContainsPublic";
- CheckFlags[CheckFlags["ContainsProtected"] = 512] = "ContainsProtected";
- CheckFlags[CheckFlags["ContainsPrivate"] = 1024] = "ContainsPrivate";
- CheckFlags[CheckFlags["ContainsStatic"] = 2048] = "ContainsStatic";
- CheckFlags[CheckFlags["Late"] = 4096] = "Late";
- CheckFlags[CheckFlags["ReverseMapped"] = 8192] = "ReverseMapped";
- CheckFlags[CheckFlags["OptionalParameter"] = 16384] = "OptionalParameter";
- CheckFlags[CheckFlags["RestParameter"] = 32768] = "RestParameter";
- CheckFlags[CheckFlags["DeferredType"] = 65536] = "DeferredType";
- CheckFlags[CheckFlags["HasNeverType"] = 131072] = "HasNeverType";
- CheckFlags[CheckFlags["Mapped"] = 262144] = "Mapped";
- CheckFlags[CheckFlags["StripOptional"] = 524288] = "StripOptional";
- CheckFlags[CheckFlags["Synthetic"] = 6] = "Synthetic";
- CheckFlags[CheckFlags["Discriminant"] = 192] = "Discriminant";
- CheckFlags[CheckFlags["Partial"] = 48] = "Partial";
- })(CheckFlags = ts.CheckFlags || (ts.CheckFlags = {}));
- var InternalSymbolName;
- (function (InternalSymbolName) {
- InternalSymbolName["Call"] = "__call";
- InternalSymbolName["Constructor"] = "__constructor";
- InternalSymbolName["New"] = "__new";
- InternalSymbolName["Index"] = "__index";
- InternalSymbolName["ExportStar"] = "__export";
- InternalSymbolName["Global"] = "__global";
- InternalSymbolName["Missing"] = "__missing";
- InternalSymbolName["Type"] = "__type";
- InternalSymbolName["Object"] = "__object";
- InternalSymbolName["JSXAttributes"] = "__jsxAttributes";
- InternalSymbolName["Class"] = "__class";
- InternalSymbolName["Function"] = "__function";
- InternalSymbolName["Computed"] = "__computed";
- InternalSymbolName["Resolving"] = "__resolving__";
- InternalSymbolName["ExportEquals"] = "export=";
- InternalSymbolName["Default"] = "default";
- InternalSymbolName["This"] = "this";
- })(InternalSymbolName = ts.InternalSymbolName || (ts.InternalSymbolName = {}));
- /* @internal */
- var NodeCheckFlags;
- (function (NodeCheckFlags) {
- NodeCheckFlags[NodeCheckFlags["TypeChecked"] = 1] = "TypeChecked";
- NodeCheckFlags[NodeCheckFlags["LexicalThis"] = 2] = "LexicalThis";
- NodeCheckFlags[NodeCheckFlags["CaptureThis"] = 4] = "CaptureThis";
- NodeCheckFlags[NodeCheckFlags["CaptureNewTarget"] = 8] = "CaptureNewTarget";
- NodeCheckFlags[NodeCheckFlags["SuperInstance"] = 256] = "SuperInstance";
- NodeCheckFlags[NodeCheckFlags["SuperStatic"] = 512] = "SuperStatic";
- NodeCheckFlags[NodeCheckFlags["ContextChecked"] = 1024] = "ContextChecked";
- NodeCheckFlags[NodeCheckFlags["AsyncMethodWithSuper"] = 2048] = "AsyncMethodWithSuper";
- NodeCheckFlags[NodeCheckFlags["AsyncMethodWithSuperBinding"] = 4096] = "AsyncMethodWithSuperBinding";
- NodeCheckFlags[NodeCheckFlags["CaptureArguments"] = 8192] = "CaptureArguments";
- NodeCheckFlags[NodeCheckFlags["EnumValuesComputed"] = 16384] = "EnumValuesComputed";
- NodeCheckFlags[NodeCheckFlags["LexicalModuleMergesWithClass"] = 32768] = "LexicalModuleMergesWithClass";
- NodeCheckFlags[NodeCheckFlags["LoopWithCapturedBlockScopedBinding"] = 65536] = "LoopWithCapturedBlockScopedBinding";
- NodeCheckFlags[NodeCheckFlags["ContainsCapturedBlockScopeBinding"] = 131072] = "ContainsCapturedBlockScopeBinding";
- NodeCheckFlags[NodeCheckFlags["CapturedBlockScopedBinding"] = 262144] = "CapturedBlockScopedBinding";
- NodeCheckFlags[NodeCheckFlags["BlockScopedBindingInLoop"] = 524288] = "BlockScopedBindingInLoop";
- NodeCheckFlags[NodeCheckFlags["ClassWithBodyScopedClassBinding"] = 1048576] = "ClassWithBodyScopedClassBinding";
- NodeCheckFlags[NodeCheckFlags["BodyScopedClassBinding"] = 2097152] = "BodyScopedClassBinding";
- NodeCheckFlags[NodeCheckFlags["NeedsLoopOutParameter"] = 4194304] = "NeedsLoopOutParameter";
- NodeCheckFlags[NodeCheckFlags["AssignmentsMarked"] = 8388608] = "AssignmentsMarked";
- NodeCheckFlags[NodeCheckFlags["ClassWithConstructorReference"] = 16777216] = "ClassWithConstructorReference";
- NodeCheckFlags[NodeCheckFlags["ConstructorReferenceInClass"] = 33554432] = "ConstructorReferenceInClass";
- NodeCheckFlags[NodeCheckFlags["ContainsClassWithPrivateIdentifiers"] = 67108864] = "ContainsClassWithPrivateIdentifiers";
- })(NodeCheckFlags = ts.NodeCheckFlags || (ts.NodeCheckFlags = {}));
- var TypeFlags;
- (function (TypeFlags) {
- TypeFlags[TypeFlags["Any"] = 1] = "Any";
- TypeFlags[TypeFlags["Unknown"] = 2] = "Unknown";
- TypeFlags[TypeFlags["String"] = 4] = "String";
- TypeFlags[TypeFlags["Number"] = 8] = "Number";
- TypeFlags[TypeFlags["Boolean"] = 16] = "Boolean";
- TypeFlags[TypeFlags["Enum"] = 32] = "Enum";
- TypeFlags[TypeFlags["BigInt"] = 64] = "BigInt";
- TypeFlags[TypeFlags["StringLiteral"] = 128] = "StringLiteral";
- TypeFlags[TypeFlags["NumberLiteral"] = 256] = "NumberLiteral";
- TypeFlags[TypeFlags["BooleanLiteral"] = 512] = "BooleanLiteral";
- TypeFlags[TypeFlags["EnumLiteral"] = 1024] = "EnumLiteral";
- TypeFlags[TypeFlags["BigIntLiteral"] = 2048] = "BigIntLiteral";
- TypeFlags[TypeFlags["ESSymbol"] = 4096] = "ESSymbol";
- TypeFlags[TypeFlags["UniqueESSymbol"] = 8192] = "UniqueESSymbol";
- TypeFlags[TypeFlags["Void"] = 16384] = "Void";
- TypeFlags[TypeFlags["Undefined"] = 32768] = "Undefined";
- TypeFlags[TypeFlags["Null"] = 65536] = "Null";
- TypeFlags[TypeFlags["Never"] = 131072] = "Never";
- TypeFlags[TypeFlags["TypeParameter"] = 262144] = "TypeParameter";
- TypeFlags[TypeFlags["Object"] = 524288] = "Object";
- TypeFlags[TypeFlags["Union"] = 1048576] = "Union";
- TypeFlags[TypeFlags["Intersection"] = 2097152] = "Intersection";
- TypeFlags[TypeFlags["Index"] = 4194304] = "Index";
- TypeFlags[TypeFlags["IndexedAccess"] = 8388608] = "IndexedAccess";
- TypeFlags[TypeFlags["Conditional"] = 16777216] = "Conditional";
- TypeFlags[TypeFlags["Substitution"] = 33554432] = "Substitution";
- TypeFlags[TypeFlags["NonPrimitive"] = 67108864] = "NonPrimitive";
- /* @internal */
- TypeFlags[TypeFlags["AnyOrUnknown"] = 3] = "AnyOrUnknown";
- /* @internal */
- TypeFlags[TypeFlags["Nullable"] = 98304] = "Nullable";
- TypeFlags[TypeFlags["Literal"] = 2944] = "Literal";
- TypeFlags[TypeFlags["Unit"] = 109440] = "Unit";
- TypeFlags[TypeFlags["StringOrNumberLiteral"] = 384] = "StringOrNumberLiteral";
- /* @internal */
- TypeFlags[TypeFlags["StringOrNumberLiteralOrUnique"] = 8576] = "StringOrNumberLiteralOrUnique";
- /* @internal */
- TypeFlags[TypeFlags["DefinitelyFalsy"] = 117632] = "DefinitelyFalsy";
- TypeFlags[TypeFlags["PossiblyFalsy"] = 117724] = "PossiblyFalsy";
- /* @internal */
- TypeFlags[TypeFlags["Intrinsic"] = 67359327] = "Intrinsic";
- /* @internal */
- TypeFlags[TypeFlags["Primitive"] = 131068] = "Primitive";
- TypeFlags[TypeFlags["StringLike"] = 132] = "StringLike";
- TypeFlags[TypeFlags["NumberLike"] = 296] = "NumberLike";
- TypeFlags[TypeFlags["BigIntLike"] = 2112] = "BigIntLike";
- TypeFlags[TypeFlags["BooleanLike"] = 528] = "BooleanLike";
- TypeFlags[TypeFlags["EnumLike"] = 1056] = "EnumLike";
- TypeFlags[TypeFlags["ESSymbolLike"] = 12288] = "ESSymbolLike";
- TypeFlags[TypeFlags["VoidLike"] = 49152] = "VoidLike";
- /* @internal */
- TypeFlags[TypeFlags["DisjointDomains"] = 67238908] = "DisjointDomains";
- TypeFlags[TypeFlags["UnionOrIntersection"] = 3145728] = "UnionOrIntersection";
- TypeFlags[TypeFlags["StructuredType"] = 3670016] = "StructuredType";
- TypeFlags[TypeFlags["TypeVariable"] = 8650752] = "TypeVariable";
- TypeFlags[TypeFlags["InstantiableNonPrimitive"] = 58982400] = "InstantiableNonPrimitive";
- TypeFlags[TypeFlags["InstantiablePrimitive"] = 4194304] = "InstantiablePrimitive";
- TypeFlags[TypeFlags["Instantiable"] = 63176704] = "Instantiable";
- TypeFlags[TypeFlags["StructuredOrInstantiable"] = 66846720] = "StructuredOrInstantiable";
- /* @internal */
- TypeFlags[TypeFlags["ObjectFlagsType"] = 3899393] = "ObjectFlagsType";
- /* @internal */
- TypeFlags[TypeFlags["Simplifiable"] = 25165824] = "Simplifiable";
- /* @internal */
- TypeFlags[TypeFlags["Substructure"] = 66584576] = "Substructure";
- // 'Narrowable' types are types where narrowing actually narrows.
- // This *should* be every type other than null, undefined, void, and never
- TypeFlags[TypeFlags["Narrowable"] = 133970943] = "Narrowable";
- TypeFlags[TypeFlags["NotUnionOrUnit"] = 67637251] = "NotUnionOrUnit";
- /* @internal */
- TypeFlags[TypeFlags["NotPrimitiveUnion"] = 66994211] = "NotPrimitiveUnion";
- // The following flags are aggregated during union and intersection type construction
- /* @internal */
- TypeFlags[TypeFlags["IncludesMask"] = 71041023] = "IncludesMask";
- // The following flags are used for different purposes during union and intersection type construction
- /* @internal */
- TypeFlags[TypeFlags["IncludesStructuredOrInstantiable"] = 262144] = "IncludesStructuredOrInstantiable";
- /* @internal */
- TypeFlags[TypeFlags["IncludesNonWideningType"] = 4194304] = "IncludesNonWideningType";
- /* @internal */
- TypeFlags[TypeFlags["IncludesWildcard"] = 8388608] = "IncludesWildcard";
- /* @internal */
- TypeFlags[TypeFlags["IncludesEmptyObject"] = 16777216] = "IncludesEmptyObject";
- })(TypeFlags = ts.TypeFlags || (ts.TypeFlags = {}));
- var ObjectFlags;
- (function (ObjectFlags) {
- ObjectFlags[ObjectFlags["Class"] = 1] = "Class";
- ObjectFlags[ObjectFlags["Interface"] = 2] = "Interface";
- ObjectFlags[ObjectFlags["Reference"] = 4] = "Reference";
- ObjectFlags[ObjectFlags["Tuple"] = 8] = "Tuple";
- ObjectFlags[ObjectFlags["Anonymous"] = 16] = "Anonymous";
- ObjectFlags[ObjectFlags["Mapped"] = 32] = "Mapped";
- ObjectFlags[ObjectFlags["Instantiated"] = 64] = "Instantiated";
- ObjectFlags[ObjectFlags["ObjectLiteral"] = 128] = "ObjectLiteral";
- ObjectFlags[ObjectFlags["EvolvingArray"] = 256] = "EvolvingArray";
- ObjectFlags[ObjectFlags["ObjectLiteralPatternWithComputedProperties"] = 512] = "ObjectLiteralPatternWithComputedProperties";
- ObjectFlags[ObjectFlags["ContainsSpread"] = 1024] = "ContainsSpread";
- ObjectFlags[ObjectFlags["ReverseMapped"] = 2048] = "ReverseMapped";
- ObjectFlags[ObjectFlags["JsxAttributes"] = 4096] = "JsxAttributes";
- ObjectFlags[ObjectFlags["MarkerType"] = 8192] = "MarkerType";
- ObjectFlags[ObjectFlags["JSLiteral"] = 16384] = "JSLiteral";
- ObjectFlags[ObjectFlags["FreshLiteral"] = 32768] = "FreshLiteral";
- ObjectFlags[ObjectFlags["ArrayLiteral"] = 65536] = "ArrayLiteral";
- ObjectFlags[ObjectFlags["ObjectRestType"] = 131072] = "ObjectRestType";
- /* @internal */
- ObjectFlags[ObjectFlags["PrimitiveUnion"] = 262144] = "PrimitiveUnion";
- /* @internal */
- ObjectFlags[ObjectFlags["ContainsWideningType"] = 524288] = "ContainsWideningType";
- /* @internal */
- ObjectFlags[ObjectFlags["ContainsObjectOrArrayLiteral"] = 1048576] = "ContainsObjectOrArrayLiteral";
- /* @internal */
- ObjectFlags[ObjectFlags["NonInferrableType"] = 2097152] = "NonInferrableType";
- /* @internal */
- ObjectFlags[ObjectFlags["IsGenericObjectTypeComputed"] = 4194304] = "IsGenericObjectTypeComputed";
- /* @internal */
- ObjectFlags[ObjectFlags["IsGenericObjectType"] = 8388608] = "IsGenericObjectType";
- /* @internal */
- ObjectFlags[ObjectFlags["IsGenericIndexTypeComputed"] = 16777216] = "IsGenericIndexTypeComputed";
- /* @internal */
- ObjectFlags[ObjectFlags["IsGenericIndexType"] = 33554432] = "IsGenericIndexType";
- /* @internal */
- ObjectFlags[ObjectFlags["CouldContainTypeVariablesComputed"] = 67108864] = "CouldContainTypeVariablesComputed";
- /* @internal */
- ObjectFlags[ObjectFlags["CouldContainTypeVariables"] = 134217728] = "CouldContainTypeVariables";
- /* @internal */
- ObjectFlags[ObjectFlags["ContainsIntersections"] = 268435456] = "ContainsIntersections";
- /* @internal */
- ObjectFlags[ObjectFlags["IsNeverIntersectionComputed"] = 268435456] = "IsNeverIntersectionComputed";
- /* @internal */
- ObjectFlags[ObjectFlags["IsNeverIntersection"] = 536870912] = "IsNeverIntersection";
- ObjectFlags[ObjectFlags["ClassOrInterface"] = 3] = "ClassOrInterface";
- /* @internal */
- ObjectFlags[ObjectFlags["RequiresWidening"] = 1572864] = "RequiresWidening";
- /* @internal */
- ObjectFlags[ObjectFlags["PropagatingFlags"] = 3670016] = "PropagatingFlags";
- })(ObjectFlags = ts.ObjectFlags || (ts.ObjectFlags = {}));
- /* @internal */
- var VarianceFlags;
- (function (VarianceFlags) {
- VarianceFlags[VarianceFlags["Invariant"] = 0] = "Invariant";
- VarianceFlags[VarianceFlags["Covariant"] = 1] = "Covariant";
- VarianceFlags[VarianceFlags["Contravariant"] = 2] = "Contravariant";
- VarianceFlags[VarianceFlags["Bivariant"] = 3] = "Bivariant";
- VarianceFlags[VarianceFlags["Independent"] = 4] = "Independent";
- VarianceFlags[VarianceFlags["VarianceMask"] = 7] = "VarianceMask";
- VarianceFlags[VarianceFlags["Unmeasurable"] = 8] = "Unmeasurable";
- VarianceFlags[VarianceFlags["Unreliable"] = 16] = "Unreliable";
- VarianceFlags[VarianceFlags["AllowsStructuralFallback"] = 24] = "AllowsStructuralFallback";
- })(VarianceFlags = ts.VarianceFlags || (ts.VarianceFlags = {}));
- /* @internal */
- var JsxReferenceKind;
- (function (JsxReferenceKind) {
- JsxReferenceKind[JsxReferenceKind["Component"] = 0] = "Component";
- JsxReferenceKind[JsxReferenceKind["Function"] = 1] = "Function";
- JsxReferenceKind[JsxReferenceKind["Mixed"] = 2] = "Mixed";
- })(JsxReferenceKind = ts.JsxReferenceKind || (ts.JsxReferenceKind = {}));
- var SignatureKind;
- (function (SignatureKind) {
- SignatureKind[SignatureKind["Call"] = 0] = "Call";
- SignatureKind[SignatureKind["Construct"] = 1] = "Construct";
- })(SignatureKind = ts.SignatureKind || (ts.SignatureKind = {}));
- /* @internal */
- var SignatureFlags;
- (function (SignatureFlags) {
- SignatureFlags[SignatureFlags["None"] = 0] = "None";
- SignatureFlags[SignatureFlags["HasRestParameter"] = 1] = "HasRestParameter";
- SignatureFlags[SignatureFlags["HasLiteralTypes"] = 2] = "HasLiteralTypes";
- SignatureFlags[SignatureFlags["IsInnerCallChain"] = 4] = "IsInnerCallChain";
- SignatureFlags[SignatureFlags["IsOuterCallChain"] = 8] = "IsOuterCallChain";
- SignatureFlags[SignatureFlags["IsUntypedSignatureInJSFile"] = 16] = "IsUntypedSignatureInJSFile";
- // We do not propagate `IsInnerCallChain` to instantiated signatures, as that would result in us
- // attempting to add `| undefined` on each recursive call to `getReturnTypeOfSignature` when
- // instantiating the return type.
- SignatureFlags[SignatureFlags["PropagatingFlags"] = 3] = "PropagatingFlags";
- SignatureFlags[SignatureFlags["CallChainFlags"] = 12] = "CallChainFlags";
- })(SignatureFlags = ts.SignatureFlags || (ts.SignatureFlags = {}));
- var IndexKind;
- (function (IndexKind) {
- IndexKind[IndexKind["String"] = 0] = "String";
- IndexKind[IndexKind["Number"] = 1] = "Number";
- })(IndexKind = ts.IndexKind || (ts.IndexKind = {}));
- /* @internal */
- var TypeMapKind;
- (function (TypeMapKind) {
- TypeMapKind[TypeMapKind["Simple"] = 0] = "Simple";
- TypeMapKind[TypeMapKind["Array"] = 1] = "Array";
- TypeMapKind[TypeMapKind["Function"] = 2] = "Function";
- TypeMapKind[TypeMapKind["Composite"] = 3] = "Composite";
- TypeMapKind[TypeMapKind["Merged"] = 4] = "Merged";
- })(TypeMapKind = ts.TypeMapKind || (ts.TypeMapKind = {}));
- var InferencePriority;
- (function (InferencePriority) {
- InferencePriority[InferencePriority["NakedTypeVariable"] = 1] = "NakedTypeVariable";
- InferencePriority[InferencePriority["HomomorphicMappedType"] = 2] = "HomomorphicMappedType";
- InferencePriority[InferencePriority["PartialHomomorphicMappedType"] = 4] = "PartialHomomorphicMappedType";
- InferencePriority[InferencePriority["MappedTypeConstraint"] = 8] = "MappedTypeConstraint";
- InferencePriority[InferencePriority["ContravariantConditional"] = 16] = "ContravariantConditional";
- InferencePriority[InferencePriority["ReturnType"] = 32] = "ReturnType";
- InferencePriority[InferencePriority["LiteralKeyof"] = 64] = "LiteralKeyof";
- InferencePriority[InferencePriority["NoConstraints"] = 128] = "NoConstraints";
- InferencePriority[InferencePriority["AlwaysStrict"] = 256] = "AlwaysStrict";
- InferencePriority[InferencePriority["MaxValue"] = 512] = "MaxValue";
- InferencePriority[InferencePriority["PriorityImpliesCombination"] = 104] = "PriorityImpliesCombination";
- InferencePriority[InferencePriority["Circularity"] = -1] = "Circularity";
- })(InferencePriority = ts.InferencePriority || (ts.InferencePriority = {}));
- /* @internal */
- var InferenceFlags;
- (function (InferenceFlags) {
- InferenceFlags[InferenceFlags["None"] = 0] = "None";
- InferenceFlags[InferenceFlags["NoDefault"] = 1] = "NoDefault";
- InferenceFlags[InferenceFlags["AnyDefault"] = 2] = "AnyDefault";
- InferenceFlags[InferenceFlags["SkippedGenericFunction"] = 4] = "SkippedGenericFunction";
- })(InferenceFlags = ts.InferenceFlags || (ts.InferenceFlags = {}));
- /**
- * Ternary values are defined such that
- * x & y is False if either x or y is False.
- * x & y is Maybe if either x or y is Maybe, but neither x or y is False.
- * x & y is True if both x and y are True.
- * x | y is False if both x and y are False.
- * x | y is Maybe if either x or y is Maybe, but neither x or y is True.
- * x | y is True if either x or y is True.
- */
- /* @internal */
- var Ternary;
- (function (Ternary) {
- Ternary[Ternary["False"] = 0] = "False";
- Ternary[Ternary["Maybe"] = 1] = "Maybe";
- Ternary[Ternary["True"] = -1] = "True";
- })(Ternary = ts.Ternary || (ts.Ternary = {}));
- /* @internal */
- var AssignmentDeclarationKind;
- (function (AssignmentDeclarationKind) {
- AssignmentDeclarationKind[AssignmentDeclarationKind["None"] = 0] = "None";
- /// exports.name = expr
- AssignmentDeclarationKind[AssignmentDeclarationKind["ExportsProperty"] = 1] = "ExportsProperty";
- /// module.exports = expr
- AssignmentDeclarationKind[AssignmentDeclarationKind["ModuleExports"] = 2] = "ModuleExports";
- /// className.prototype.name = expr
- AssignmentDeclarationKind[AssignmentDeclarationKind["PrototypeProperty"] = 3] = "PrototypeProperty";
- /// this.name = expr
- AssignmentDeclarationKind[AssignmentDeclarationKind["ThisProperty"] = 4] = "ThisProperty";
- // F.name = expr
- AssignmentDeclarationKind[AssignmentDeclarationKind["Property"] = 5] = "Property";
- // F.prototype = { ... }
- AssignmentDeclarationKind[AssignmentDeclarationKind["Prototype"] = 6] = "Prototype";
- // Object.defineProperty(x, 'name', { value: any, writable?: boolean (false by default) });
- // Object.defineProperty(x, 'name', { get: Function, set: Function });
- // Object.defineProperty(x, 'name', { get: Function });
- // Object.defineProperty(x, 'name', { set: Function });
- AssignmentDeclarationKind[AssignmentDeclarationKind["ObjectDefinePropertyValue"] = 7] = "ObjectDefinePropertyValue";
- // Object.defineProperty(exports || module.exports, 'name', ...);
- AssignmentDeclarationKind[AssignmentDeclarationKind["ObjectDefinePropertyExports"] = 8] = "ObjectDefinePropertyExports";
- // Object.defineProperty(Foo.prototype, 'name', ...);
- AssignmentDeclarationKind[AssignmentDeclarationKind["ObjectDefinePrototypeProperty"] = 9] = "ObjectDefinePrototypeProperty";
- })(AssignmentDeclarationKind = ts.AssignmentDeclarationKind || (ts.AssignmentDeclarationKind = {}));
- var DiagnosticCategory;
- (function (DiagnosticCategory) {
- DiagnosticCategory[DiagnosticCategory["Warning"] = 0] = "Warning";
- DiagnosticCategory[DiagnosticCategory["Error"] = 1] = "Error";
- DiagnosticCategory[DiagnosticCategory["Suggestion"] = 2] = "Suggestion";
- DiagnosticCategory[DiagnosticCategory["Message"] = 3] = "Message";
- })(DiagnosticCategory = ts.DiagnosticCategory || (ts.DiagnosticCategory = {}));
- /* @internal */
- function diagnosticCategoryName(d, lowerCase) {
- if (lowerCase === void 0) { lowerCase = true; }
- var name = DiagnosticCategory[d.category];
- return lowerCase ? name.toLowerCase() : name;
- }
- ts.diagnosticCategoryName = diagnosticCategoryName;
- var ModuleResolutionKind;
- (function (ModuleResolutionKind) {
- ModuleResolutionKind[ModuleResolutionKind["Classic"] = 1] = "Classic";
- ModuleResolutionKind[ModuleResolutionKind["NodeJs"] = 2] = "NodeJs";
- })(ModuleResolutionKind = ts.ModuleResolutionKind || (ts.ModuleResolutionKind = {}));
- var WatchFileKind;
- (function (WatchFileKind) {
- WatchFileKind[WatchFileKind["FixedPollingInterval"] = 0] = "FixedPollingInterval";
- WatchFileKind[WatchFileKind["PriorityPollingInterval"] = 1] = "PriorityPollingInterval";
- WatchFileKind[WatchFileKind["DynamicPriorityPolling"] = 2] = "DynamicPriorityPolling";
- WatchFileKind[WatchFileKind["UseFsEvents"] = 3] = "UseFsEvents";
- WatchFileKind[WatchFileKind["UseFsEventsOnParentDirectory"] = 4] = "UseFsEventsOnParentDirectory";
- })(WatchFileKind = ts.WatchFileKind || (ts.WatchFileKind = {}));
- var WatchDirectoryKind;
- (function (WatchDirectoryKind) {
- WatchDirectoryKind[WatchDirectoryKind["UseFsEvents"] = 0] = "UseFsEvents";
- WatchDirectoryKind[WatchDirectoryKind["FixedPollingInterval"] = 1] = "FixedPollingInterval";
- WatchDirectoryKind[WatchDirectoryKind["DynamicPriorityPolling"] = 2] = "DynamicPriorityPolling";
- })(WatchDirectoryKind = ts.WatchDirectoryKind || (ts.WatchDirectoryKind = {}));
- var PollingWatchKind;
- (function (PollingWatchKind) {
- PollingWatchKind[PollingWatchKind["FixedInterval"] = 0] = "FixedInterval";
- PollingWatchKind[PollingWatchKind["PriorityInterval"] = 1] = "PriorityInterval";
- PollingWatchKind[PollingWatchKind["DynamicPriority"] = 2] = "DynamicPriority";
- })(PollingWatchKind = ts.PollingWatchKind || (ts.PollingWatchKind = {}));
- var ModuleKind;
- (function (ModuleKind) {
- ModuleKind[ModuleKind["None"] = 0] = "None";
- ModuleKind[ModuleKind["CommonJS"] = 1] = "CommonJS";
- ModuleKind[ModuleKind["AMD"] = 2] = "AMD";
- ModuleKind[ModuleKind["UMD"] = 3] = "UMD";
- ModuleKind[ModuleKind["System"] = 4] = "System";
- // NOTE: ES module kinds should be contiguous to more easily check whether a module kind is *any* ES module kind.
- // Non-ES module kinds should not come between ES2015 (the earliest ES module kind) and ESNext (the last ES
- // module kind).
- ModuleKind[ModuleKind["ES2015"] = 5] = "ES2015";
- ModuleKind[ModuleKind["ES2020"] = 6] = "ES2020";
- ModuleKind[ModuleKind["ESNext"] = 99] = "ESNext";
- })(ModuleKind = ts.ModuleKind || (ts.ModuleKind = {}));
- var JsxEmit;
- (function (JsxEmit) {
- JsxEmit[JsxEmit["None"] = 0] = "None";
- JsxEmit[JsxEmit["Preserve"] = 1] = "Preserve";
- JsxEmit[JsxEmit["React"] = 2] = "React";
- JsxEmit[JsxEmit["ReactNative"] = 3] = "ReactNative";
- })(JsxEmit = ts.JsxEmit || (ts.JsxEmit = {}));
- var ImportsNotUsedAsValues;
- (function (ImportsNotUsedAsValues) {
- ImportsNotUsedAsValues[ImportsNotUsedAsValues["Remove"] = 0] = "Remove";
- ImportsNotUsedAsValues[ImportsNotUsedAsValues["Preserve"] = 1] = "Preserve";
- ImportsNotUsedAsValues[ImportsNotUsedAsValues["Error"] = 2] = "Error";
- })(ImportsNotUsedAsValues = ts.ImportsNotUsedAsValues || (ts.ImportsNotUsedAsValues = {}));
- var NewLineKind;
- (function (NewLineKind) {
- NewLineKind[NewLineKind["CarriageReturnLineFeed"] = 0] = "CarriageReturnLineFeed";
- NewLineKind[NewLineKind["LineFeed"] = 1] = "LineFeed";
- })(NewLineKind = ts.NewLineKind || (ts.NewLineKind = {}));
- var ScriptKind;
- (function (ScriptKind) {
- ScriptKind[ScriptKind["Unknown"] = 0] = "Unknown";
- ScriptKind[ScriptKind["JS"] = 1] = "JS";
- ScriptKind[ScriptKind["JSX"] = 2] = "JSX";
- ScriptKind[ScriptKind["TS"] = 3] = "TS";
- ScriptKind[ScriptKind["TSX"] = 4] = "TSX";
- ScriptKind[ScriptKind["External"] = 5] = "External";
- ScriptKind[ScriptKind["JSON"] = 6] = "JSON";
- /**
- * Used on extensions that doesn't define the ScriptKind but the content defines it.
- * Deferred extensions are going to be included in all project contexts.
- */
- ScriptKind[ScriptKind["Deferred"] = 7] = "Deferred";
- })(ScriptKind = ts.ScriptKind || (ts.ScriptKind = {}));
- var ScriptTarget;
- (function (ScriptTarget) {
- ScriptTarget[ScriptTarget["ES3"] = 0] = "ES3";
- ScriptTarget[ScriptTarget["ES5"] = 1] = "ES5";
- ScriptTarget[ScriptTarget["ES2015"] = 2] = "ES2015";
- ScriptTarget[ScriptTarget["ES2016"] = 3] = "ES2016";
- ScriptTarget[ScriptTarget["ES2017"] = 4] = "ES2017";
- ScriptTarget[ScriptTarget["ES2018"] = 5] = "ES2018";
- ScriptTarget[ScriptTarget["ES2019"] = 6] = "ES2019";
- ScriptTarget[ScriptTarget["ES2020"] = 7] = "ES2020";
- ScriptTarget[ScriptTarget["ESNext"] = 99] = "ESNext";
- ScriptTarget[ScriptTarget["JSON"] = 100] = "JSON";
- ScriptTarget[ScriptTarget["Latest"] = 99] = "Latest";
- })(ScriptTarget = ts.ScriptTarget || (ts.ScriptTarget = {}));
- var LanguageVariant;
- (function (LanguageVariant) {
- LanguageVariant[LanguageVariant["Standard"] = 0] = "Standard";
- LanguageVariant[LanguageVariant["JSX"] = 1] = "JSX";
- })(LanguageVariant = ts.LanguageVariant || (ts.LanguageVariant = {}));
- var WatchDirectoryFlags;
- (function (WatchDirectoryFlags) {
- WatchDirectoryFlags[WatchDirectoryFlags["None"] = 0] = "None";
- WatchDirectoryFlags[WatchDirectoryFlags["Recursive"] = 1] = "Recursive";
- })(WatchDirectoryFlags = ts.WatchDirectoryFlags || (ts.WatchDirectoryFlags = {}));
- /* @internal */
- var CharacterCodes;
- (function (CharacterCodes) {
- CharacterCodes[CharacterCodes["nullCharacter"] = 0] = "nullCharacter";
- CharacterCodes[CharacterCodes["maxAsciiCharacter"] = 127] = "maxAsciiCharacter";
- CharacterCodes[CharacterCodes["lineFeed"] = 10] = "lineFeed";
- CharacterCodes[CharacterCodes["carriageReturn"] = 13] = "carriageReturn";
- CharacterCodes[CharacterCodes["lineSeparator"] = 8232] = "lineSeparator";
- CharacterCodes[CharacterCodes["paragraphSeparator"] = 8233] = "paragraphSeparator";
- CharacterCodes[CharacterCodes["nextLine"] = 133] = "nextLine";
- // Unicode 3.0 space characters
- CharacterCodes[CharacterCodes["space"] = 32] = "space";
- CharacterCodes[CharacterCodes["nonBreakingSpace"] = 160] = "nonBreakingSpace";
- CharacterCodes[CharacterCodes["enQuad"] = 8192] = "enQuad";
- CharacterCodes[CharacterCodes["emQuad"] = 8193] = "emQuad";
- CharacterCodes[CharacterCodes["enSpace"] = 8194] = "enSpace";
- CharacterCodes[CharacterCodes["emSpace"] = 8195] = "emSpace";
- CharacterCodes[CharacterCodes["threePerEmSpace"] = 8196] = "threePerEmSpace";
- CharacterCodes[CharacterCodes["fourPerEmSpace"] = 8197] = "fourPerEmSpace";
- CharacterCodes[CharacterCodes["sixPerEmSpace"] = 8198] = "sixPerEmSpace";
- CharacterCodes[CharacterCodes["figureSpace"] = 8199] = "figureSpace";
- CharacterCodes[CharacterCodes["punctuationSpace"] = 8200] = "punctuationSpace";
- CharacterCodes[CharacterCodes["thinSpace"] = 8201] = "thinSpace";
- CharacterCodes[CharacterCodes["hairSpace"] = 8202] = "hairSpace";
- CharacterCodes[CharacterCodes["zeroWidthSpace"] = 8203] = "zeroWidthSpace";
- CharacterCodes[CharacterCodes["narrowNoBreakSpace"] = 8239] = "narrowNoBreakSpace";
- CharacterCodes[CharacterCodes["ideographicSpace"] = 12288] = "ideographicSpace";
- CharacterCodes[CharacterCodes["mathematicalSpace"] = 8287] = "mathematicalSpace";
- CharacterCodes[CharacterCodes["ogham"] = 5760] = "ogham";
- CharacterCodes[CharacterCodes["_"] = 95] = "_";
- CharacterCodes[CharacterCodes["$"] = 36] = "$";
- CharacterCodes[CharacterCodes["_0"] = 48] = "_0";
- CharacterCodes[CharacterCodes["_1"] = 49] = "_1";
- CharacterCodes[CharacterCodes["_2"] = 50] = "_2";
- CharacterCodes[CharacterCodes["_3"] = 51] = "_3";
- CharacterCodes[CharacterCodes["_4"] = 52] = "_4";
- CharacterCodes[CharacterCodes["_5"] = 53] = "_5";
- CharacterCodes[CharacterCodes["_6"] = 54] = "_6";
- CharacterCodes[CharacterCodes["_7"] = 55] = "_7";
- CharacterCodes[CharacterCodes["_8"] = 56] = "_8";
- CharacterCodes[CharacterCodes["_9"] = 57] = "_9";
- CharacterCodes[CharacterCodes["a"] = 97] = "a";
- CharacterCodes[CharacterCodes["b"] = 98] = "b";
- CharacterCodes[CharacterCodes["c"] = 99] = "c";
- CharacterCodes[CharacterCodes["d"] = 100] = "d";
- CharacterCodes[CharacterCodes["e"] = 101] = "e";
- CharacterCodes[CharacterCodes["f"] = 102] = "f";
- CharacterCodes[CharacterCodes["g"] = 103] = "g";
- CharacterCodes[CharacterCodes["h"] = 104] = "h";
- CharacterCodes[CharacterCodes["i"] = 105] = "i";
- CharacterCodes[CharacterCodes["j"] = 106] = "j";
- CharacterCodes[CharacterCodes["k"] = 107] = "k";
- CharacterCodes[CharacterCodes["l"] = 108] = "l";
- CharacterCodes[CharacterCodes["m"] = 109] = "m";
- CharacterCodes[CharacterCodes["n"] = 110] = "n";
- CharacterCodes[CharacterCodes["o"] = 111] = "o";
- CharacterCodes[CharacterCodes["p"] = 112] = "p";
- CharacterCodes[CharacterCodes["q"] = 113] = "q";
- CharacterCodes[CharacterCodes["r"] = 114] = "r";
- CharacterCodes[CharacterCodes["s"] = 115] = "s";
- CharacterCodes[CharacterCodes["t"] = 116] = "t";
- CharacterCodes[CharacterCodes["u"] = 117] = "u";
- CharacterCodes[CharacterCodes["v"] = 118] = "v";
- CharacterCodes[CharacterCodes["w"] = 119] = "w";
- CharacterCodes[CharacterCodes["x"] = 120] = "x";
- CharacterCodes[CharacterCodes["y"] = 121] = "y";
- CharacterCodes[CharacterCodes["z"] = 122] = "z";
- CharacterCodes[CharacterCodes["A"] = 65] = "A";
- CharacterCodes[CharacterCodes["B"] = 66] = "B";
- CharacterCodes[CharacterCodes["C"] = 67] = "C";
- CharacterCodes[CharacterCodes["D"] = 68] = "D";
- CharacterCodes[CharacterCodes["E"] = 69] = "E";
- CharacterCodes[CharacterCodes["F"] = 70] = "F";
- CharacterCodes[CharacterCodes["G"] = 71] = "G";
- CharacterCodes[CharacterCodes["H"] = 72] = "H";
- CharacterCodes[CharacterCodes["I"] = 73] = "I";
- CharacterCodes[CharacterCodes["J"] = 74] = "J";
- CharacterCodes[CharacterCodes["K"] = 75] = "K";
- CharacterCodes[CharacterCodes["L"] = 76] = "L";
- CharacterCodes[CharacterCodes["M"] = 77] = "M";
- CharacterCodes[CharacterCodes["N"] = 78] = "N";
- CharacterCodes[CharacterCodes["O"] = 79] = "O";
- CharacterCodes[CharacterCodes["P"] = 80] = "P";
- CharacterCodes[CharacterCodes["Q"] = 81] = "Q";
- CharacterCodes[CharacterCodes["R"] = 82] = "R";
- CharacterCodes[CharacterCodes["S"] = 83] = "S";
- CharacterCodes[CharacterCodes["T"] = 84] = "T";
- CharacterCodes[CharacterCodes["U"] = 85] = "U";
- CharacterCodes[CharacterCodes["V"] = 86] = "V";
- CharacterCodes[CharacterCodes["W"] = 87] = "W";
- CharacterCodes[CharacterCodes["X"] = 88] = "X";
- CharacterCodes[CharacterCodes["Y"] = 89] = "Y";
- CharacterCodes[CharacterCodes["Z"] = 90] = "Z";
- CharacterCodes[CharacterCodes["ampersand"] = 38] = "ampersand";
- CharacterCodes[CharacterCodes["asterisk"] = 42] = "asterisk";
- CharacterCodes[CharacterCodes["at"] = 64] = "at";
- CharacterCodes[CharacterCodes["backslash"] = 92] = "backslash";
- CharacterCodes[CharacterCodes["backtick"] = 96] = "backtick";
- CharacterCodes[CharacterCodes["bar"] = 124] = "bar";
- CharacterCodes[CharacterCodes["caret"] = 94] = "caret";
- CharacterCodes[CharacterCodes["closeBrace"] = 125] = "closeBrace";
- CharacterCodes[CharacterCodes["closeBracket"] = 93] = "closeBracket";
- CharacterCodes[CharacterCodes["closeParen"] = 41] = "closeParen";
- CharacterCodes[CharacterCodes["colon"] = 58] = "colon";
- CharacterCodes[CharacterCodes["comma"] = 44] = "comma";
- CharacterCodes[CharacterCodes["dot"] = 46] = "dot";
- CharacterCodes[CharacterCodes["doubleQuote"] = 34] = "doubleQuote";
- CharacterCodes[CharacterCodes["equals"] = 61] = "equals";
- CharacterCodes[CharacterCodes["exclamation"] = 33] = "exclamation";
- CharacterCodes[CharacterCodes["greaterThan"] = 62] = "greaterThan";
- CharacterCodes[CharacterCodes["hash"] = 35] = "hash";
- CharacterCodes[CharacterCodes["lessThan"] = 60] = "lessThan";
- CharacterCodes[CharacterCodes["minus"] = 45] = "minus";
- CharacterCodes[CharacterCodes["openBrace"] = 123] = "openBrace";
- CharacterCodes[CharacterCodes["openBracket"] = 91] = "openBracket";
- CharacterCodes[CharacterCodes["openParen"] = 40] = "openParen";
- CharacterCodes[CharacterCodes["percent"] = 37] = "percent";
- CharacterCodes[CharacterCodes["plus"] = 43] = "plus";
- CharacterCodes[CharacterCodes["question"] = 63] = "question";
- CharacterCodes[CharacterCodes["semicolon"] = 59] = "semicolon";
- CharacterCodes[CharacterCodes["singleQuote"] = 39] = "singleQuote";
- CharacterCodes[CharacterCodes["slash"] = 47] = "slash";
- CharacterCodes[CharacterCodes["tilde"] = 126] = "tilde";
- CharacterCodes[CharacterCodes["backspace"] = 8] = "backspace";
- CharacterCodes[CharacterCodes["formFeed"] = 12] = "formFeed";
- CharacterCodes[CharacterCodes["byteOrderMark"] = 65279] = "byteOrderMark";
- CharacterCodes[CharacterCodes["tab"] = 9] = "tab";
- CharacterCodes[CharacterCodes["verticalTab"] = 11] = "verticalTab";
- })(CharacterCodes = ts.CharacterCodes || (ts.CharacterCodes = {}));
- var Extension;
- (function (Extension) {
- Extension["Ts"] = ".ts";
- Extension["Tsx"] = ".tsx";
- Extension["Dts"] = ".d.ts";
- Extension["Js"] = ".js";
- Extension["Jsx"] = ".jsx";
- Extension["Json"] = ".json";
- Extension["TsBuildInfo"] = ".tsbuildinfo";
- })(Extension = ts.Extension || (ts.Extension = {}));
- /* @internal */
- var TransformFlags;
- (function (TransformFlags) {
- TransformFlags[TransformFlags["None"] = 0] = "None";
- // Facts
- // - Flags used to indicate that a node or subtree contains syntax that requires transformation.
- TransformFlags[TransformFlags["ContainsTypeScript"] = 1] = "ContainsTypeScript";
- TransformFlags[TransformFlags["ContainsJsx"] = 2] = "ContainsJsx";
- TransformFlags[TransformFlags["ContainsESNext"] = 4] = "ContainsESNext";
- TransformFlags[TransformFlags["ContainsES2020"] = 8] = "ContainsES2020";
- TransformFlags[TransformFlags["ContainsES2019"] = 16] = "ContainsES2019";
- TransformFlags[TransformFlags["ContainsES2018"] = 32] = "ContainsES2018";
- TransformFlags[TransformFlags["ContainsES2017"] = 64] = "ContainsES2017";
- TransformFlags[TransformFlags["ContainsES2016"] = 128] = "ContainsES2016";
- TransformFlags[TransformFlags["ContainsES2015"] = 256] = "ContainsES2015";
- TransformFlags[TransformFlags["ContainsGenerator"] = 512] = "ContainsGenerator";
- TransformFlags[TransformFlags["ContainsDestructuringAssignment"] = 1024] = "ContainsDestructuringAssignment";
- // Markers
- // - Flags used to indicate that a subtree contains a specific transformation.
- TransformFlags[TransformFlags["ContainsTypeScriptClassSyntax"] = 2048] = "ContainsTypeScriptClassSyntax";
- TransformFlags[TransformFlags["ContainsLexicalThis"] = 4096] = "ContainsLexicalThis";
- TransformFlags[TransformFlags["ContainsRestOrSpread"] = 8192] = "ContainsRestOrSpread";
- TransformFlags[TransformFlags["ContainsObjectRestOrSpread"] = 16384] = "ContainsObjectRestOrSpread";
- TransformFlags[TransformFlags["ContainsComputedPropertyName"] = 32768] = "ContainsComputedPropertyName";
- TransformFlags[TransformFlags["ContainsBlockScopedBinding"] = 65536] = "ContainsBlockScopedBinding";
- TransformFlags[TransformFlags["ContainsBindingPattern"] = 131072] = "ContainsBindingPattern";
- TransformFlags[TransformFlags["ContainsYield"] = 262144] = "ContainsYield";
- TransformFlags[TransformFlags["ContainsAwait"] = 524288] = "ContainsAwait";
- TransformFlags[TransformFlags["ContainsHoistedDeclarationOrCompletion"] = 1048576] = "ContainsHoistedDeclarationOrCompletion";
- TransformFlags[TransformFlags["ContainsDynamicImport"] = 2097152] = "ContainsDynamicImport";
- TransformFlags[TransformFlags["ContainsClassFields"] = 4194304] = "ContainsClassFields";
- // Please leave this as 1 << 29.
- // It is the maximum bit we can set before we outgrow the size of a v8 small integer (SMI) on an x86 system.
- // It is a good reminder of how much room we have left
- TransformFlags[TransformFlags["HasComputedFlags"] = 536870912] = "HasComputedFlags";
- // Assertions
- // - Bitmasks that are used to assert facts about the syntax of a node and its subtree.
- TransformFlags[TransformFlags["AssertTypeScript"] = 1] = "AssertTypeScript";
- TransformFlags[TransformFlags["AssertJsx"] = 2] = "AssertJsx";
- TransformFlags[TransformFlags["AssertESNext"] = 4] = "AssertESNext";
- TransformFlags[TransformFlags["AssertES2020"] = 8] = "AssertES2020";
- TransformFlags[TransformFlags["AssertES2019"] = 16] = "AssertES2019";
- TransformFlags[TransformFlags["AssertES2018"] = 32] = "AssertES2018";
- TransformFlags[TransformFlags["AssertES2017"] = 64] = "AssertES2017";
- TransformFlags[TransformFlags["AssertES2016"] = 128] = "AssertES2016";
- TransformFlags[TransformFlags["AssertES2015"] = 256] = "AssertES2015";
- TransformFlags[TransformFlags["AssertGenerator"] = 512] = "AssertGenerator";
- TransformFlags[TransformFlags["AssertDestructuringAssignment"] = 1024] = "AssertDestructuringAssignment";
- // Scope Exclusions
- // - Bitmasks that exclude flags from propagating out of a specific context
- // into the subtree flags of their container.
- TransformFlags[TransformFlags["OuterExpressionExcludes"] = 536870912] = "OuterExpressionExcludes";
- TransformFlags[TransformFlags["PropertyAccessExcludes"] = 536870912] = "PropertyAccessExcludes";
- TransformFlags[TransformFlags["NodeExcludes"] = 536870912] = "NodeExcludes";
- TransformFlags[TransformFlags["ArrowFunctionExcludes"] = 538920960] = "ArrowFunctionExcludes";
- TransformFlags[TransformFlags["FunctionExcludes"] = 538925056] = "FunctionExcludes";
- TransformFlags[TransformFlags["ConstructorExcludes"] = 538923008] = "ConstructorExcludes";
- TransformFlags[TransformFlags["MethodOrAccessorExcludes"] = 538923008] = "MethodOrAccessorExcludes";
- TransformFlags[TransformFlags["PropertyExcludes"] = 536875008] = "PropertyExcludes";
- TransformFlags[TransformFlags["ClassExcludes"] = 536905728] = "ClassExcludes";
- TransformFlags[TransformFlags["ModuleExcludes"] = 537991168] = "ModuleExcludes";
- TransformFlags[TransformFlags["TypeExcludes"] = -2] = "TypeExcludes";
- TransformFlags[TransformFlags["ObjectLiteralExcludes"] = 536922112] = "ObjectLiteralExcludes";
- TransformFlags[TransformFlags["ArrayLiteralOrCallOrNewExcludes"] = 536879104] = "ArrayLiteralOrCallOrNewExcludes";
- TransformFlags[TransformFlags["VariableDeclarationListExcludes"] = 537018368] = "VariableDeclarationListExcludes";
- TransformFlags[TransformFlags["ParameterExcludes"] = 536870912] = "ParameterExcludes";
- TransformFlags[TransformFlags["CatchClauseExcludes"] = 536887296] = "CatchClauseExcludes";
- TransformFlags[TransformFlags["BindingPatternExcludes"] = 536879104] = "BindingPatternExcludes";
- // Propagating flags
- // - Bitmasks for flags that should propagate from a child
- TransformFlags[TransformFlags["PropertyNamePropagatingFlags"] = 4096] = "PropertyNamePropagatingFlags";
- // Masks
- // - Additional bitmasks
- })(TransformFlags = ts.TransformFlags || (ts.TransformFlags = {}));
- var EmitFlags;
- (function (EmitFlags) {
- EmitFlags[EmitFlags["None"] = 0] = "None";
- EmitFlags[EmitFlags["SingleLine"] = 1] = "SingleLine";
- EmitFlags[EmitFlags["AdviseOnEmitNode"] = 2] = "AdviseOnEmitNode";
- EmitFlags[EmitFlags["NoSubstitution"] = 4] = "NoSubstitution";
- EmitFlags[EmitFlags["CapturesThis"] = 8] = "CapturesThis";
- EmitFlags[EmitFlags["NoLeadingSourceMap"] = 16] = "NoLeadingSourceMap";
- EmitFlags[EmitFlags["NoTrailingSourceMap"] = 32] = "NoTrailingSourceMap";
- EmitFlags[EmitFlags["NoSourceMap"] = 48] = "NoSourceMap";
- EmitFlags[EmitFlags["NoNestedSourceMaps"] = 64] = "NoNestedSourceMaps";
- EmitFlags[EmitFlags["NoTokenLeadingSourceMaps"] = 128] = "NoTokenLeadingSourceMaps";
- EmitFlags[EmitFlags["NoTokenTrailingSourceMaps"] = 256] = "NoTokenTrailingSourceMaps";
- EmitFlags[EmitFlags["NoTokenSourceMaps"] = 384] = "NoTokenSourceMaps";
- EmitFlags[EmitFlags["NoLeadingComments"] = 512] = "NoLeadingComments";
- EmitFlags[EmitFlags["NoTrailingComments"] = 1024] = "NoTrailingComments";
- EmitFlags[EmitFlags["NoComments"] = 1536] = "NoComments";
- EmitFlags[EmitFlags["NoNestedComments"] = 2048] = "NoNestedComments";
- EmitFlags[EmitFlags["HelperName"] = 4096] = "HelperName";
- EmitFlags[EmitFlags["ExportName"] = 8192] = "ExportName";
- EmitFlags[EmitFlags["LocalName"] = 16384] = "LocalName";
- EmitFlags[EmitFlags["InternalName"] = 32768] = "InternalName";
- EmitFlags[EmitFlags["Indented"] = 65536] = "Indented";
- EmitFlags[EmitFlags["NoIndentation"] = 131072] = "NoIndentation";
- EmitFlags[EmitFlags["AsyncFunctionBody"] = 262144] = "AsyncFunctionBody";
- EmitFlags[EmitFlags["ReuseTempVariableScope"] = 524288] = "ReuseTempVariableScope";
- EmitFlags[EmitFlags["CustomPrologue"] = 1048576] = "CustomPrologue";
- EmitFlags[EmitFlags["NoHoisting"] = 2097152] = "NoHoisting";
- EmitFlags[EmitFlags["HasEndOfDeclarationMarker"] = 4194304] = "HasEndOfDeclarationMarker";
- EmitFlags[EmitFlags["Iterator"] = 8388608] = "Iterator";
- EmitFlags[EmitFlags["NoAsciiEscaping"] = 16777216] = "NoAsciiEscaping";
- /*@internal*/ EmitFlags[EmitFlags["TypeScriptClassWrapper"] = 33554432] = "TypeScriptClassWrapper";
- /*@internal*/ EmitFlags[EmitFlags["NeverApplyImportHelper"] = 67108864] = "NeverApplyImportHelper";
- /*@internal*/ EmitFlags[EmitFlags["IgnoreSourceNewlines"] = 134217728] = "IgnoreSourceNewlines";
- })(EmitFlags = ts.EmitFlags || (ts.EmitFlags = {}));
- /**
- * Used by the checker, this enum keeps track of external emit helpers that should be type
- * checked.
- */
- /* @internal */
- var ExternalEmitHelpers;
- (function (ExternalEmitHelpers) {
- ExternalEmitHelpers[ExternalEmitHelpers["Extends"] = 1] = "Extends";
- ExternalEmitHelpers[ExternalEmitHelpers["Assign"] = 2] = "Assign";
- ExternalEmitHelpers[ExternalEmitHelpers["Rest"] = 4] = "Rest";
- ExternalEmitHelpers[ExternalEmitHelpers["Decorate"] = 8] = "Decorate";
- ExternalEmitHelpers[ExternalEmitHelpers["Metadata"] = 16] = "Metadata";
- ExternalEmitHelpers[ExternalEmitHelpers["Param"] = 32] = "Param";
- ExternalEmitHelpers[ExternalEmitHelpers["Awaiter"] = 64] = "Awaiter";
- ExternalEmitHelpers[ExternalEmitHelpers["Generator"] = 128] = "Generator";
- ExternalEmitHelpers[ExternalEmitHelpers["Values"] = 256] = "Values";
- ExternalEmitHelpers[ExternalEmitHelpers["Read"] = 512] = "Read";
- ExternalEmitHelpers[ExternalEmitHelpers["Spread"] = 1024] = "Spread";
- ExternalEmitHelpers[ExternalEmitHelpers["SpreadArrays"] = 2048] = "SpreadArrays";
- ExternalEmitHelpers[ExternalEmitHelpers["Await"] = 4096] = "Await";
- ExternalEmitHelpers[ExternalEmitHelpers["AsyncGenerator"] = 8192] = "AsyncGenerator";
- ExternalEmitHelpers[ExternalEmitHelpers["AsyncDelegator"] = 16384] = "AsyncDelegator";
- ExternalEmitHelpers[ExternalEmitHelpers["AsyncValues"] = 32768] = "AsyncValues";
- ExternalEmitHelpers[ExternalEmitHelpers["ExportStar"] = 65536] = "ExportStar";
- ExternalEmitHelpers[ExternalEmitHelpers["MakeTemplateObject"] = 131072] = "MakeTemplateObject";
- ExternalEmitHelpers[ExternalEmitHelpers["ClassPrivateFieldGet"] = 262144] = "ClassPrivateFieldGet";
- ExternalEmitHelpers[ExternalEmitHelpers["ClassPrivateFieldSet"] = 524288] = "ClassPrivateFieldSet";
- ExternalEmitHelpers[ExternalEmitHelpers["CreateBinding"] = 1048576] = "CreateBinding";
- ExternalEmitHelpers[ExternalEmitHelpers["FirstEmitHelper"] = 1] = "FirstEmitHelper";
- ExternalEmitHelpers[ExternalEmitHelpers["LastEmitHelper"] = 1048576] = "LastEmitHelper";
- // Helpers included by ES2015 for..of
- ExternalEmitHelpers[ExternalEmitHelpers["ForOfIncludes"] = 256] = "ForOfIncludes";
- // Helpers included by ES2017 for..await..of
- ExternalEmitHelpers[ExternalEmitHelpers["ForAwaitOfIncludes"] = 32768] = "ForAwaitOfIncludes";
- // Helpers included by ES2017 async generators
- ExternalEmitHelpers[ExternalEmitHelpers["AsyncGeneratorIncludes"] = 12288] = "AsyncGeneratorIncludes";
- // Helpers included by yield* in ES2017 async generators
- ExternalEmitHelpers[ExternalEmitHelpers["AsyncDelegatorIncludes"] = 53248] = "AsyncDelegatorIncludes";
- // Helpers included by ES2015 spread
- ExternalEmitHelpers[ExternalEmitHelpers["SpreadIncludes"] = 1536] = "SpreadIncludes";
- })(ExternalEmitHelpers = ts.ExternalEmitHelpers || (ts.ExternalEmitHelpers = {}));
- var EmitHint;
- (function (EmitHint) {
- EmitHint[EmitHint["SourceFile"] = 0] = "SourceFile";
- EmitHint[EmitHint["Expression"] = 1] = "Expression";
- EmitHint[EmitHint["IdentifierName"] = 2] = "IdentifierName";
- EmitHint[EmitHint["MappedTypeParameter"] = 3] = "MappedTypeParameter";
- EmitHint[EmitHint["Unspecified"] = 4] = "Unspecified";
- EmitHint[EmitHint["EmbeddedStatement"] = 5] = "EmbeddedStatement";
- EmitHint[EmitHint["JsxAttributeValue"] = 6] = "JsxAttributeValue";
- })(EmitHint = ts.EmitHint || (ts.EmitHint = {}));
- /* @internal */
- var LexicalEnvironmentFlags;
- (function (LexicalEnvironmentFlags) {
- LexicalEnvironmentFlags[LexicalEnvironmentFlags["None"] = 0] = "None";
- LexicalEnvironmentFlags[LexicalEnvironmentFlags["InParameters"] = 1] = "InParameters";
- LexicalEnvironmentFlags[LexicalEnvironmentFlags["VariablesHoistedInParameters"] = 2] = "VariablesHoistedInParameters"; // a temp variable was hoisted while visiting a parameter list
- })(LexicalEnvironmentFlags = ts.LexicalEnvironmentFlags || (ts.LexicalEnvironmentFlags = {}));
- /*@internal*/
- var BundleFileSectionKind;
- (function (BundleFileSectionKind) {
- BundleFileSectionKind["Prologue"] = "prologue";
- BundleFileSectionKind["EmitHelpers"] = "emitHelpers";
- BundleFileSectionKind["NoDefaultLib"] = "no-default-lib";
- BundleFileSectionKind["Reference"] = "reference";
- BundleFileSectionKind["Type"] = "type";
- BundleFileSectionKind["Lib"] = "lib";
- BundleFileSectionKind["Prepend"] = "prepend";
- BundleFileSectionKind["Text"] = "text";
- BundleFileSectionKind["Internal"] = "internal";
- // comments?
- })(BundleFileSectionKind = ts.BundleFileSectionKind || (ts.BundleFileSectionKind = {}));
- var ListFormat;
- (function (ListFormat) {
- ListFormat[ListFormat["None"] = 0] = "None";
- // Line separators
- ListFormat[ListFormat["SingleLine"] = 0] = "SingleLine";
- ListFormat[ListFormat["MultiLine"] = 1] = "MultiLine";
- ListFormat[ListFormat["PreserveLines"] = 2] = "PreserveLines";
- ListFormat[ListFormat["LinesMask"] = 3] = "LinesMask";
- // Delimiters
- ListFormat[ListFormat["NotDelimited"] = 0] = "NotDelimited";
- ListFormat[ListFormat["BarDelimited"] = 4] = "BarDelimited";
- ListFormat[ListFormat["AmpersandDelimited"] = 8] = "AmpersandDelimited";
- ListFormat[ListFormat["CommaDelimited"] = 16] = "CommaDelimited";
- ListFormat[ListFormat["AsteriskDelimited"] = 32] = "AsteriskDelimited";
- ListFormat[ListFormat["DelimitersMask"] = 60] = "DelimitersMask";
- ListFormat[ListFormat["AllowTrailingComma"] = 64] = "AllowTrailingComma";
- // Whitespace
- ListFormat[ListFormat["Indented"] = 128] = "Indented";
- ListFormat[ListFormat["SpaceBetweenBraces"] = 256] = "SpaceBetweenBraces";
- ListFormat[ListFormat["SpaceBetweenSiblings"] = 512] = "SpaceBetweenSiblings";
- // Brackets/Braces
- ListFormat[ListFormat["Braces"] = 1024] = "Braces";
- ListFormat[ListFormat["Parenthesis"] = 2048] = "Parenthesis";
- ListFormat[ListFormat["AngleBrackets"] = 4096] = "AngleBrackets";
- ListFormat[ListFormat["SquareBrackets"] = 8192] = "SquareBrackets";
- ListFormat[ListFormat["BracketsMask"] = 15360] = "BracketsMask";
- ListFormat[ListFormat["OptionalIfUndefined"] = 16384] = "OptionalIfUndefined";
- ListFormat[ListFormat["OptionalIfEmpty"] = 32768] = "OptionalIfEmpty";
- ListFormat[ListFormat["Optional"] = 49152] = "Optional";
- // Other
- ListFormat[ListFormat["PreferNewLine"] = 65536] = "PreferNewLine";
- ListFormat[ListFormat["NoTrailingNewLine"] = 131072] = "NoTrailingNewLine";
- ListFormat[ListFormat["NoInterveningComments"] = 262144] = "NoInterveningComments";
- ListFormat[ListFormat["NoSpaceIfEmpty"] = 524288] = "NoSpaceIfEmpty";
- ListFormat[ListFormat["SingleElement"] = 1048576] = "SingleElement";
- ListFormat[ListFormat["SpaceAfterList"] = 2097152] = "SpaceAfterList";
- // Precomputed Formats
- ListFormat[ListFormat["Modifiers"] = 262656] = "Modifiers";
- ListFormat[ListFormat["HeritageClauses"] = 512] = "HeritageClauses";
- ListFormat[ListFormat["SingleLineTypeLiteralMembers"] = 768] = "SingleLineTypeLiteralMembers";
- ListFormat[ListFormat["MultiLineTypeLiteralMembers"] = 32897] = "MultiLineTypeLiteralMembers";
- ListFormat[ListFormat["TupleTypeElements"] = 528] = "TupleTypeElements";
- ListFormat[ListFormat["UnionTypeConstituents"] = 516] = "UnionTypeConstituents";
- ListFormat[ListFormat["IntersectionTypeConstituents"] = 520] = "IntersectionTypeConstituents";
- ListFormat[ListFormat["ObjectBindingPatternElements"] = 525136] = "ObjectBindingPatternElements";
- ListFormat[ListFormat["ArrayBindingPatternElements"] = 524880] = "ArrayBindingPatternElements";
- ListFormat[ListFormat["ObjectLiteralExpressionProperties"] = 526226] = "ObjectLiteralExpressionProperties";
- ListFormat[ListFormat["ArrayLiteralExpressionElements"] = 8914] = "ArrayLiteralExpressionElements";
- ListFormat[ListFormat["CommaListElements"] = 528] = "CommaListElements";
- ListFormat[ListFormat["CallExpressionArguments"] = 2576] = "CallExpressionArguments";
- ListFormat[ListFormat["NewExpressionArguments"] = 18960] = "NewExpressionArguments";
- ListFormat[ListFormat["TemplateExpressionSpans"] = 262144] = "TemplateExpressionSpans";
- ListFormat[ListFormat["SingleLineBlockStatements"] = 768] = "SingleLineBlockStatements";
- ListFormat[ListFormat["MultiLineBlockStatements"] = 129] = "MultiLineBlockStatements";
- ListFormat[ListFormat["VariableDeclarationList"] = 528] = "VariableDeclarationList";
- ListFormat[ListFormat["SingleLineFunctionBodyStatements"] = 768] = "SingleLineFunctionBodyStatements";
- ListFormat[ListFormat["MultiLineFunctionBodyStatements"] = 1] = "MultiLineFunctionBodyStatements";
- ListFormat[ListFormat["ClassHeritageClauses"] = 0] = "ClassHeritageClauses";
- ListFormat[ListFormat["ClassMembers"] = 129] = "ClassMembers";
- ListFormat[ListFormat["InterfaceMembers"] = 129] = "InterfaceMembers";
- ListFormat[ListFormat["EnumMembers"] = 145] = "EnumMembers";
- ListFormat[ListFormat["CaseBlockClauses"] = 129] = "CaseBlockClauses";
- ListFormat[ListFormat["NamedImportsOrExportsElements"] = 525136] = "NamedImportsOrExportsElements";
- ListFormat[ListFormat["JsxElementOrFragmentChildren"] = 262144] = "JsxElementOrFragmentChildren";
- ListFormat[ListFormat["JsxElementAttributes"] = 262656] = "JsxElementAttributes";
- ListFormat[ListFormat["CaseOrDefaultClauseStatements"] = 163969] = "CaseOrDefaultClauseStatements";
- ListFormat[ListFormat["HeritageClauseTypes"] = 528] = "HeritageClauseTypes";
- ListFormat[ListFormat["SourceFileStatements"] = 131073] = "SourceFileStatements";
- ListFormat[ListFormat["Decorators"] = 2146305] = "Decorators";
- ListFormat[ListFormat["TypeArguments"] = 53776] = "TypeArguments";
- ListFormat[ListFormat["TypeParameters"] = 53776] = "TypeParameters";
- ListFormat[ListFormat["Parameters"] = 2576] = "Parameters";
- ListFormat[ListFormat["IndexSignatureParameters"] = 8848] = "IndexSignatureParameters";
- ListFormat[ListFormat["JSDocComment"] = 33] = "JSDocComment";
- })(ListFormat = ts.ListFormat || (ts.ListFormat = {}));
- /* @internal */
- var PragmaKindFlags;
- (function (PragmaKindFlags) {
- PragmaKindFlags[PragmaKindFlags["None"] = 0] = "None";
- /**
- * Triple slash comment of the form
- * /// <pragma-name argname="value" />
- */
- PragmaKindFlags[PragmaKindFlags["TripleSlashXML"] = 1] = "TripleSlashXML";
- /**
- * Single line comment of the form
- * // @pragma-name argval1 argval2
- * or
- * /// @pragma-name argval1 argval2
- */
- PragmaKindFlags[PragmaKindFlags["SingleLine"] = 2] = "SingleLine";
- /**
- * Multiline non-jsdoc pragma of the form
- * /* @pragma-name argval1 argval2 * /
- */
- PragmaKindFlags[PragmaKindFlags["MultiLine"] = 4] = "MultiLine";
- PragmaKindFlags[PragmaKindFlags["All"] = 7] = "All";
- PragmaKindFlags[PragmaKindFlags["Default"] = 7] = "Default";
- })(PragmaKindFlags = ts.PragmaKindFlags || (ts.PragmaKindFlags = {}));
- // While not strictly a type, this is here because `PragmaMap` needs to be here to be used with `SourceFile`, and we don't
- // fancy effectively defining it twice, once in value-space and once in type-space
- /* @internal */
- ts.commentPragmas = {
- "reference": {
- args: [
- { name: "types", optional: true, captureSpan: true },
- { name: "lib", optional: true, captureSpan: true },
- { name: "path", optional: true, captureSpan: true },
- { name: "no-default-lib", optional: true }
- ],
- kind: 1 /* TripleSlashXML */
- },
- "amd-dependency": {
- args: [{ name: "path" }, { name: "name", optional: true }],
- kind: 1 /* TripleSlashXML */
- },
- "amd-module": {
- args: [{ name: "name" }],
- kind: 1 /* TripleSlashXML */
- },
- "ts-check": {
- kind: 2 /* SingleLine */
- },
- "ts-nocheck": {
- kind: 2 /* SingleLine */
- },
- "jsx": {
- args: [{ name: "factory" }],
- kind: 4 /* MultiLine */
- },
- };
-})(ts || (ts = {}));
-var ts;
-(function (ts) {
- /**
- * djb2 hashing algorithm
- * http://www.cse.yorku.ca/~oz/hash.html
- */
- /* @internal */
- function generateDjb2Hash(data) {
- var acc = 5381;
- for (var i = 0; i < data.length; i++) {
- acc = ((acc << 5) + acc) + data.charCodeAt(i);
- }
- return acc.toString();
- }
- ts.generateDjb2Hash = generateDjb2Hash;
- /**
- * Set a high stack trace limit to provide more information in case of an error.
- * Called for command-line and server use cases.
- * Not called if TypeScript is used as a library.
- */
- /* @internal */
- function setStackTraceLimit() {
- if (Error.stackTraceLimit < 100) { // Also tests that we won't set the property if it doesn't exist.
- Error.stackTraceLimit = 100;
- }
- }
- ts.setStackTraceLimit = setStackTraceLimit;
- var FileWatcherEventKind;
- (function (FileWatcherEventKind) {
- FileWatcherEventKind[FileWatcherEventKind["Created"] = 0] = "Created";
- FileWatcherEventKind[FileWatcherEventKind["Changed"] = 1] = "Changed";
- FileWatcherEventKind[FileWatcherEventKind["Deleted"] = 2] = "Deleted";
- })(FileWatcherEventKind = ts.FileWatcherEventKind || (ts.FileWatcherEventKind = {}));
- /* @internal */
- var PollingInterval;
- (function (PollingInterval) {
- PollingInterval[PollingInterval["High"] = 2000] = "High";
- PollingInterval[PollingInterval["Medium"] = 500] = "Medium";
- PollingInterval[PollingInterval["Low"] = 250] = "Low";
- })(PollingInterval = ts.PollingInterval || (ts.PollingInterval = {}));
- /* @internal */
- ts.missingFileModifiedTime = new Date(0); // Any subsequent modification will occur after this time
- function createPollingIntervalBasedLevels(levels) {
- var _a;
- return _a = {},
- _a[PollingInterval.Low] = levels.Low,
- _a[PollingInterval.Medium] = levels.Medium,
- _a[PollingInterval.High] = levels.High,
- _a;
- }
- var defaultChunkLevels = { Low: 32, Medium: 64, High: 256 };
- var pollingChunkSize = createPollingIntervalBasedLevels(defaultChunkLevels);
- /* @internal */
- ts.unchangedPollThresholds = createPollingIntervalBasedLevels(defaultChunkLevels);
- /* @internal */
- function setCustomPollingValues(system) {
- if (!system.getEnvironmentVariable) {
- return;
- }
- var pollingIntervalChanged = setCustomLevels("TSC_WATCH_POLLINGINTERVAL", PollingInterval);
- pollingChunkSize = getCustomPollingBasedLevels("TSC_WATCH_POLLINGCHUNKSIZE", defaultChunkLevels) || pollingChunkSize;
- ts.unchangedPollThresholds = getCustomPollingBasedLevels("TSC_WATCH_UNCHANGEDPOLLTHRESHOLDS", defaultChunkLevels) || ts.unchangedPollThresholds;
- function getLevel(envVar, level) {
- return system.getEnvironmentVariable(envVar + "_" + level.toUpperCase());
- }
- function getCustomLevels(baseVariable) {
- var customLevels;
- setCustomLevel("Low");
- setCustomLevel("Medium");
- setCustomLevel("High");
- return customLevels;
- function setCustomLevel(level) {
- var customLevel = getLevel(baseVariable, level);
- if (customLevel) {
- (customLevels || (customLevels = {}))[level] = Number(customLevel);
- }
- }
- }
- function setCustomLevels(baseVariable, levels) {
- var customLevels = getCustomLevels(baseVariable);
- if (customLevels) {
- setLevel("Low");
- setLevel("Medium");
- setLevel("High");
- return true;
- }
- return false;
- function setLevel(level) {
- levels[level] = customLevels[level] || levels[level];
- }
- }
- function getCustomPollingBasedLevels(baseVariable, defaultLevels) {
- var customLevels = getCustomLevels(baseVariable);
- return (pollingIntervalChanged || customLevels) &&
- createPollingIntervalBasedLevels(customLevels ? __assign(__assign({}, defaultLevels), customLevels) : defaultLevels);
- }
- }
- ts.setCustomPollingValues = setCustomPollingValues;
- /* @internal */
- function createDynamicPriorityPollingWatchFile(host) {
- var watchedFiles = [];
- var changedFilesInLastPoll = [];
- var lowPollingIntervalQueue = createPollingIntervalQueue(PollingInterval.Low);
- var mediumPollingIntervalQueue = createPollingIntervalQueue(PollingInterval.Medium);
- var highPollingIntervalQueue = createPollingIntervalQueue(PollingInterval.High);
- return watchFile;
- function watchFile(fileName, callback, defaultPollingInterval) {
- var file = {
- fileName: fileName,
- callback: callback,
- unchangedPolls: 0,
- mtime: getModifiedTime(fileName)
- };
- watchedFiles.push(file);
- addToPollingIntervalQueue(file, defaultPollingInterval);
- return {
- close: function () {
- file.isClosed = true;
- // Remove from watchedFiles
- ts.unorderedRemoveItem(watchedFiles, file);
- // Do not update polling interval queue since that will happen as part of polling
- }
- };
- }
- function createPollingIntervalQueue(pollingInterval) {
- var queue = [];
- queue.pollingInterval = pollingInterval;
- queue.pollIndex = 0;
- queue.pollScheduled = false;
- return queue;
- }
- function pollPollingIntervalQueue(queue) {
- queue.pollIndex = pollQueue(queue, queue.pollingInterval, queue.pollIndex, pollingChunkSize[queue.pollingInterval]);
- // Set the next polling index and timeout
- if (queue.length) {
- scheduleNextPoll(queue.pollingInterval);
- }
- else {
- ts.Debug.assert(queue.pollIndex === 0);
- queue.pollScheduled = false;
- }
- }
- function pollLowPollingIntervalQueue(queue) {
- // Always poll complete list of changedFilesInLastPoll
- pollQueue(changedFilesInLastPoll, PollingInterval.Low, /*pollIndex*/ 0, changedFilesInLastPoll.length);
- // Finally do the actual polling of the queue
- pollPollingIntervalQueue(queue);
- // Schedule poll if there are files in changedFilesInLastPoll but no files in the actual queue
- // as pollPollingIntervalQueue wont schedule for next poll
- if (!queue.pollScheduled && changedFilesInLastPoll.length) {
- scheduleNextPoll(PollingInterval.Low);
- }
- }
- function pollQueue(queue, pollingInterval, pollIndex, chunkSize) {
- // Max visit would be all elements of the queue
- var needsVisit = queue.length;
- var definedValueCopyToIndex = pollIndex;
- for (var polled = 0; polled < chunkSize && needsVisit > 0; nextPollIndex(), needsVisit--) {
- var watchedFile = queue[pollIndex];
- if (!watchedFile) {
- continue;
- }
- else if (watchedFile.isClosed) {
- queue[pollIndex] = undefined;
- continue;
- }
- polled++;
- var fileChanged = onWatchedFileStat(watchedFile, getModifiedTime(watchedFile.fileName));
- if (watchedFile.isClosed) {
- // Closed watcher as part of callback
- queue[pollIndex] = undefined;
- }
- else if (fileChanged) {
- watchedFile.unchangedPolls = 0;
- // Changed files go to changedFilesInLastPoll queue
- if (queue !== changedFilesInLastPoll) {
- queue[pollIndex] = undefined;
- addChangedFileToLowPollingIntervalQueue(watchedFile);
- }
- }
- else if (watchedFile.unchangedPolls !== ts.unchangedPollThresholds[pollingInterval]) {
- watchedFile.unchangedPolls++;
- }
- else if (queue === changedFilesInLastPoll) {
- // Restart unchangedPollCount for unchanged file and move to low polling interval queue
- watchedFile.unchangedPolls = 1;
- queue[pollIndex] = undefined;
- addToPollingIntervalQueue(watchedFile, PollingInterval.Low);
- }
- else if (pollingInterval !== PollingInterval.High) {
- watchedFile.unchangedPolls++;
- queue[pollIndex] = undefined;
- addToPollingIntervalQueue(watchedFile, pollingInterval === PollingInterval.Low ? PollingInterval.Medium : PollingInterval.High);
- }
- if (queue[pollIndex]) {
- // Copy this file to the non hole location
- if (definedValueCopyToIndex < pollIndex) {
- queue[definedValueCopyToIndex] = watchedFile;
- queue[pollIndex] = undefined;
- }
- definedValueCopyToIndex++;
- }
- }
- // Return next poll index
- return pollIndex;
- function nextPollIndex() {
- pollIndex++;
- if (pollIndex === queue.length) {
- if (definedValueCopyToIndex < pollIndex) {
- // There are holes from nextDefinedValueIndex to end of queue, change queue size
- queue.length = definedValueCopyToIndex;
- }
- pollIndex = 0;
- definedValueCopyToIndex = 0;
- }
- }
- }
- function pollingIntervalQueue(pollingInterval) {
- switch (pollingInterval) {
- case PollingInterval.Low:
- return lowPollingIntervalQueue;
- case PollingInterval.Medium:
- return mediumPollingIntervalQueue;
- case PollingInterval.High:
- return highPollingIntervalQueue;
- }
- }
- function addToPollingIntervalQueue(file, pollingInterval) {
- pollingIntervalQueue(pollingInterval).push(file);
- scheduleNextPollIfNotAlreadyScheduled(pollingInterval);
- }
- function addChangedFileToLowPollingIntervalQueue(file) {
- changedFilesInLastPoll.push(file);
- scheduleNextPollIfNotAlreadyScheduled(PollingInterval.Low);
- }
- function scheduleNextPollIfNotAlreadyScheduled(pollingInterval) {
- if (!pollingIntervalQueue(pollingInterval).pollScheduled) {
- scheduleNextPoll(pollingInterval);
- }
- }
- function scheduleNextPoll(pollingInterval) {
- pollingIntervalQueue(pollingInterval).pollScheduled = host.setTimeout(pollingInterval === PollingInterval.Low ? pollLowPollingIntervalQueue : pollPollingIntervalQueue, pollingInterval, pollingIntervalQueue(pollingInterval));
- }
- function getModifiedTime(fileName) {
- return host.getModifiedTime(fileName) || ts.missingFileModifiedTime;
- }
- }
- ts.createDynamicPriorityPollingWatchFile = createDynamicPriorityPollingWatchFile;
- function createUseFsEventsOnParentDirectoryWatchFile(fsWatch, useCaseSensitiveFileNames) {
- // One file can have multiple watchers
- var fileWatcherCallbacks = ts.createMultiMap();
- var dirWatchers = ts.createMap();
- var toCanonicalName = ts.createGetCanonicalFileName(useCaseSensitiveFileNames);
- return nonPollingWatchFile;
- function nonPollingWatchFile(fileName, callback, _pollingInterval, fallbackOptions) {
- var filePath = toCanonicalName(fileName);
- fileWatcherCallbacks.add(filePath, callback);
- var dirPath = ts.getDirectoryPath(filePath) || ".";
- var watcher = dirWatchers.get(dirPath) ||
- createDirectoryWatcher(ts.getDirectoryPath(fileName) || ".", dirPath, fallbackOptions);
- watcher.referenceCount++;
- return {
- close: function () {
- if (watcher.referenceCount === 1) {
- watcher.close();
- dirWatchers.delete(dirPath);
- }
- else {
- watcher.referenceCount--;
- }
- fileWatcherCallbacks.remove(filePath, callback);
- }
- };
- }
- function createDirectoryWatcher(dirName, dirPath, fallbackOptions) {
- var watcher = fsWatch(dirName, 1 /* Directory */, function (_eventName, relativeFileName) {
- // When files are deleted from disk, the triggered "rename" event would have a relativefileName of "undefined"
- if (!ts.isString(relativeFileName)) {
- return;
- }
- var fileName = ts.getNormalizedAbsolutePath(relativeFileName, dirName);
- // Some applications save a working file via rename operations
- var callbacks = fileName && fileWatcherCallbacks.get(toCanonicalName(fileName));
- if (callbacks) {
- for (var _i = 0, callbacks_1 = callbacks; _i < callbacks_1.length; _i++) {
- var fileCallback = callbacks_1[_i];
- fileCallback(fileName, FileWatcherEventKind.Changed);
- }
- }
- },
- /*recursive*/ false, PollingInterval.Medium, fallbackOptions);
- watcher.referenceCount = 0;
- dirWatchers.set(dirPath, watcher);
- return watcher;
- }
- }
- /* @internal */
- function createSingleFileWatcherPerName(watchFile, useCaseSensitiveFileNames) {
- var cache = ts.createMap();
- var callbacksCache = ts.createMultiMap();
- var toCanonicalFileName = ts.createGetCanonicalFileName(useCaseSensitiveFileNames);
- return function (fileName, callback, pollingInterval, options) {
- var path = toCanonicalFileName(fileName);
- var existing = cache.get(path);
- if (existing) {
- existing.refCount++;
- }
- else {
- cache.set(path, {
- watcher: watchFile(fileName, function (fileName, eventKind) { return ts.forEach(callbacksCache.get(path), function (cb) { return cb(fileName, eventKind); }); }, pollingInterval, options),
- refCount: 1
- });
- }
- callbacksCache.add(path, callback);
- return {
- close: function () {
- var watcher = ts.Debug.checkDefined(cache.get(path));
- callbacksCache.remove(path, callback);
- watcher.refCount--;
- if (watcher.refCount)
- return;
- cache.delete(path);
- ts.closeFileWatcherOf(watcher);
- }
- };
- };
- }
- ts.createSingleFileWatcherPerName = createSingleFileWatcherPerName;
- /**
- * Returns true if file status changed
- */
- /*@internal*/
- function onWatchedFileStat(watchedFile, modifiedTime) {
- var oldTime = watchedFile.mtime.getTime();
- var newTime = modifiedTime.getTime();
- if (oldTime !== newTime) {
- watchedFile.mtime = modifiedTime;
- watchedFile.callback(watchedFile.fileName, getFileWatcherEventKind(oldTime, newTime));
- return true;
- }
- return false;
- }
- ts.onWatchedFileStat = onWatchedFileStat;
- /*@internal*/
- function getFileWatcherEventKind(oldTime, newTime) {
- return oldTime === 0
- ? FileWatcherEventKind.Created
- : newTime === 0
- ? FileWatcherEventKind.Deleted
- : FileWatcherEventKind.Changed;
- }
- ts.getFileWatcherEventKind = getFileWatcherEventKind;
- /*@internal*/
- ts.ignoredPaths = ["/node_modules/.", "/.git", "/.#"];
- /*@internal*/
- ts.sysLog = ts.noop; // eslint-disable-line prefer-const
- /*@internal*/
- function setSysLog(logger) {
- ts.sysLog = logger;
- }
- ts.setSysLog = setSysLog;
- /**
- * Watch the directory recursively using host provided method to watch child directories
- * that means if this is recursive watcher, watch the children directories as well
- * (eg on OS that dont support recursive watch using fs.watch use fs.watchFile)
- */
- /*@internal*/
- function createDirectoryWatcherSupportingRecursive(host) {
- var cache = ts.createMap();
- var callbackCache = ts.createMultiMap();
- var cacheToUpdateChildWatches = ts.createMap();
- var timerToUpdateChildWatches;
- var filePathComparer = ts.getStringComparer(!host.useCaseSensitiveFileNames);
- var toCanonicalFilePath = ts.createGetCanonicalFileName(host.useCaseSensitiveFileNames);
- return function (dirName, callback, recursive, options) { return recursive ?
- createDirectoryWatcher(dirName, options, callback) :
- host.watchDirectory(dirName, callback, recursive, options); };
- /**
- * Create the directory watcher for the dirPath.
- */
- function createDirectoryWatcher(dirName, options, callback) {
- var dirPath = toCanonicalFilePath(dirName);
- var directoryWatcher = cache.get(dirPath);
- if (directoryWatcher) {
- directoryWatcher.refCount++;
- }
- else {
- directoryWatcher = {
- watcher: host.watchDirectory(dirName, function (fileName) {
- if (isIgnoredPath(fileName))
- return;
- if (options === null || options === void 0 ? void 0 : options.synchronousWatchDirectory) {
- // Call the actual callback
- invokeCallbacks(dirPath, fileName);
- // Iterate through existing children and update the watches if needed
- updateChildWatches(dirName, dirPath, options);
- }
- else {
- nonSyncUpdateChildWatches(dirName, dirPath, fileName, options);
- }
- }, /*recursive*/ false, options),
- refCount: 1,
- childWatches: ts.emptyArray
- };
- cache.set(dirPath, directoryWatcher);
- updateChildWatches(dirName, dirPath, options);
- }
- var callbackToAdd = callback && { dirName: dirName, callback: callback };
- if (callbackToAdd) {
- callbackCache.add(dirPath, callbackToAdd);
- }
- return {
- dirName: dirName,
- close: function () {
- var directoryWatcher = ts.Debug.checkDefined(cache.get(dirPath));
- if (callbackToAdd)
- callbackCache.remove(dirPath, callbackToAdd);
- directoryWatcher.refCount--;
- if (directoryWatcher.refCount)
- return;
- cache.delete(dirPath);
- ts.closeFileWatcherOf(directoryWatcher);
- directoryWatcher.childWatches.forEach(ts.closeFileWatcher);
- }
- };
- }
- function invokeCallbacks(dirPath, fileNameOrInvokeMap) {
- var fileName;
- var invokeMap;
- if (ts.isString(fileNameOrInvokeMap)) {
- fileName = fileNameOrInvokeMap;
- }
- else {
- invokeMap = fileNameOrInvokeMap;
- }
- // Call the actual callback
- callbackCache.forEach(function (callbacks, rootDirName) {
- if (invokeMap && invokeMap.has(rootDirName))
- return;
- if (rootDirName === dirPath || (ts.startsWith(dirPath, rootDirName) && dirPath[rootDirName.length] === ts.directorySeparator)) {
- if (invokeMap) {
- invokeMap.set(rootDirName, true);
- }
- else {
- callbacks.forEach(function (_a) {
- var callback = _a.callback;
- return callback(fileName);
- });
- }
- }
- });
- }
- function nonSyncUpdateChildWatches(dirName, dirPath, fileName, options) {
- // Iterate through existing children and update the watches if needed
- var parentWatcher = cache.get(dirPath);
- if (parentWatcher && host.directoryExists(dirName)) {
- // Schedule the update and postpone invoke for callbacks
- scheduleUpdateChildWatches(dirName, dirPath, options);
- return;
- }
- // Call the actual callbacks and remove child watches
- invokeCallbacks(dirPath, fileName);
- removeChildWatches(parentWatcher);
- }
- function scheduleUpdateChildWatches(dirName, dirPath, options) {
- if (!cacheToUpdateChildWatches.has(dirPath)) {
- cacheToUpdateChildWatches.set(dirPath, { dirName: dirName, options: options });
- }
- if (timerToUpdateChildWatches) {
- host.clearTimeout(timerToUpdateChildWatches);
- timerToUpdateChildWatches = undefined;
- }
- timerToUpdateChildWatches = host.setTimeout(onTimerToUpdateChildWatches, 1000);
- }
- function onTimerToUpdateChildWatches() {
- timerToUpdateChildWatches = undefined;
- ts.sysLog("sysLog:: onTimerToUpdateChildWatches:: " + cacheToUpdateChildWatches.size);
- var start = ts.timestamp();
- var invokeMap = ts.createMap();
- while (!timerToUpdateChildWatches && cacheToUpdateChildWatches.size) {
- var _a = cacheToUpdateChildWatches.entries().next(), _b = _a.value, dirPath = _b[0], _c = _b[1], dirName = _c.dirName, options = _c.options, done = _a.done;
- ts.Debug.assert(!done);
- cacheToUpdateChildWatches.delete(dirPath);
- // Because the child refresh is fresh, we would need to invalidate whole root directory being watched
- // to ensure that all the changes are reflected at this time
- invokeCallbacks(dirPath, invokeMap);
- updateChildWatches(dirName, dirPath, options);
- }
- ts.sysLog("sysLog:: invokingWatchers:: " + (ts.timestamp() - start) + "ms:: " + cacheToUpdateChildWatches.size);
- callbackCache.forEach(function (callbacks, rootDirName) {
- if (invokeMap.has(rootDirName)) {
- callbacks.forEach(function (_a) {
- var callback = _a.callback, dirName = _a.dirName;
- return callback(dirName);
- });
- }
- });
- var elapsed = ts.timestamp() - start;
- ts.sysLog("sysLog:: Elapsed " + elapsed + "ms:: onTimerToUpdateChildWatches:: " + cacheToUpdateChildWatches.size + " " + timerToUpdateChildWatches);
- }
- function removeChildWatches(parentWatcher) {
- if (!parentWatcher)
- return;
- var existingChildWatches = parentWatcher.childWatches;
- parentWatcher.childWatches = ts.emptyArray;
- for (var _i = 0, existingChildWatches_1 = existingChildWatches; _i < existingChildWatches_1.length; _i++) {
- var childWatcher = existingChildWatches_1[_i];
- childWatcher.close();
- removeChildWatches(cache.get(toCanonicalFilePath(childWatcher.dirName)));
- }
- }
- function updateChildWatches(dirName, dirPath, options) {
- // Iterate through existing children and update the watches if needed
- var parentWatcher = cache.get(dirPath);
- if (parentWatcher) {
- parentWatcher.childWatches = watchChildDirectories(dirName, parentWatcher.childWatches, options);
- }
- }
- /**
- * Watch the directories in the parentDir
- */
- function watchChildDirectories(parentDir, existingChildWatches, options) {
- var newChildWatches;
- ts.enumerateInsertsAndDeletes(host.directoryExists(parentDir) ? ts.mapDefined(host.getAccessibleSortedChildDirectories(parentDir), function (child) {
- var childFullName = ts.getNormalizedAbsolutePath(child, parentDir);
- // Filter our the symbolic link directories since those arent included in recursive watch
- // which is same behaviour when recursive: true is passed to fs.watch
- return !isIgnoredPath(childFullName) && filePathComparer(childFullName, ts.normalizePath(host.realpath(childFullName))) === 0 /* EqualTo */ ? childFullName : undefined;
- }) : ts.emptyArray, existingChildWatches, function (child, childWatcher) { return filePathComparer(child, childWatcher.dirName); }, createAndAddChildDirectoryWatcher, ts.closeFileWatcher, addChildDirectoryWatcher);
- return newChildWatches || ts.emptyArray;
- /**
- * Create new childDirectoryWatcher and add it to the new ChildDirectoryWatcher list
- */
- function createAndAddChildDirectoryWatcher(childName) {
- var result = createDirectoryWatcher(childName, options);
- addChildDirectoryWatcher(result);
- }
- /**
- * Add child directory watcher to the new ChildDirectoryWatcher list
- */
- function addChildDirectoryWatcher(childWatcher) {
- (newChildWatches || (newChildWatches = [])).push(childWatcher);
- }
- }
- function isIgnoredPath(path) {
- return ts.some(ts.ignoredPaths, function (searchPath) { return isInPath(path, searchPath); });
- }
- function isInPath(path, searchPath) {
- if (ts.stringContains(path, searchPath))
- return true;
- if (host.useCaseSensitiveFileNames)
- return false;
- return ts.stringContains(toCanonicalFilePath(path), searchPath);
- }
- }
- ts.createDirectoryWatcherSupportingRecursive = createDirectoryWatcherSupportingRecursive;
- /*@internal*/
- var FileSystemEntryKind;
- (function (FileSystemEntryKind) {
- FileSystemEntryKind[FileSystemEntryKind["File"] = 0] = "File";
- FileSystemEntryKind[FileSystemEntryKind["Directory"] = 1] = "Directory";
- })(FileSystemEntryKind = ts.FileSystemEntryKind || (ts.FileSystemEntryKind = {}));
- /*@internal*/
- function createFileWatcherCallback(callback) {
- return function (_fileName, eventKind) { return callback(eventKind === FileWatcherEventKind.Changed ? "change" : "rename", ""); };
- }
- ts.createFileWatcherCallback = createFileWatcherCallback;
- function createFsWatchCallbackForFileWatcherCallback(fileName, callback, fileExists) {
- return function (eventName) {
- if (eventName === "rename") {
- callback(fileName, fileExists(fileName) ? FileWatcherEventKind.Created : FileWatcherEventKind.Deleted);
- }
- else {
- // Change
- callback(fileName, FileWatcherEventKind.Changed);
- }
- };
- }
- function createFsWatchCallbackForDirectoryWatcherCallback(directoryName, callback) {
- return function (eventName, relativeFileName) {
- // In watchDirectory we only care about adding and removing files (when event name is
- // "rename"); changes made within files are handled by corresponding fileWatchers (when
- // event name is "change")
- if (eventName === "rename") {
- // When deleting a file, the passed baseFileName is null
- callback(!relativeFileName ? directoryName : ts.normalizePath(ts.combinePaths(directoryName, relativeFileName)));
- }
- };
- }
- /*@internal*/
- function createSystemWatchFunctions(_a) {
- var pollingWatchFile = _a.pollingWatchFile, getModifiedTime = _a.getModifiedTime, setTimeout = _a.setTimeout, clearTimeout = _a.clearTimeout, fsWatch = _a.fsWatch, fileExists = _a.fileExists, useCaseSensitiveFileNames = _a.useCaseSensitiveFileNames, fsSupportsRecursiveFsWatch = _a.fsSupportsRecursiveFsWatch, directoryExists = _a.directoryExists, getAccessibleSortedChildDirectories = _a.getAccessibleSortedChildDirectories, realpath = _a.realpath, tscWatchFile = _a.tscWatchFile, useNonPollingWatchers = _a.useNonPollingWatchers, tscWatchDirectory = _a.tscWatchDirectory;
- var dynamicPollingWatchFile;
- var nonPollingWatchFile;
- var hostRecursiveDirectoryWatcher;
- return {
- watchFile: watchFile,
- watchDirectory: watchDirectory
- };
- function watchFile(fileName, callback, pollingInterval, options) {
- options = updateOptionsForWatchFile(options, useNonPollingWatchers);
- var watchFileKind = ts.Debug.checkDefined(options.watchFile);
- switch (watchFileKind) {
- case ts.WatchFileKind.FixedPollingInterval:
- return pollingWatchFile(fileName, callback, PollingInterval.Low, /*options*/ undefined);
- case ts.WatchFileKind.PriorityPollingInterval:
- return pollingWatchFile(fileName, callback, pollingInterval, /*options*/ undefined);
- case ts.WatchFileKind.DynamicPriorityPolling:
- return ensureDynamicPollingWatchFile()(fileName, callback, pollingInterval, /*options*/ undefined);
- case ts.WatchFileKind.UseFsEvents:
- return fsWatch(fileName, 0 /* File */, createFsWatchCallbackForFileWatcherCallback(fileName, callback, fileExists),
- /*recursive*/ false, pollingInterval, ts.getFallbackOptions(options));
- case ts.WatchFileKind.UseFsEventsOnParentDirectory:
- if (!nonPollingWatchFile) {
- nonPollingWatchFile = createUseFsEventsOnParentDirectoryWatchFile(fsWatch, useCaseSensitiveFileNames);
- }
- return nonPollingWatchFile(fileName, callback, pollingInterval, ts.getFallbackOptions(options));
- default:
- ts.Debug.assertNever(watchFileKind);
- }
- }
- function ensureDynamicPollingWatchFile() {
- return dynamicPollingWatchFile ||
- (dynamicPollingWatchFile = createDynamicPriorityPollingWatchFile({ getModifiedTime: getModifiedTime, setTimeout: setTimeout }));
- }
- function updateOptionsForWatchFile(options, useNonPollingWatchers) {
- if (options && options.watchFile !== undefined)
- return options;
- switch (tscWatchFile) {
- case "PriorityPollingInterval":
- // Use polling interval based on priority when create watch using host.watchFile
- return { watchFile: ts.WatchFileKind.PriorityPollingInterval };
- case "DynamicPriorityPolling":
- // Use polling interval but change the interval depending on file changes and their default polling interval
- return { watchFile: ts.WatchFileKind.DynamicPriorityPolling };
- case "UseFsEvents":
- // Use notifications from FS to watch with falling back to fs.watchFile
- return generateWatchFileOptions(ts.WatchFileKind.UseFsEvents, ts.PollingWatchKind.PriorityInterval, options);
- case "UseFsEventsWithFallbackDynamicPolling":
- // Use notifications from FS to watch with falling back to dynamic watch file
- return generateWatchFileOptions(ts.WatchFileKind.UseFsEvents, ts.PollingWatchKind.DynamicPriority, options);
- case "UseFsEventsOnParentDirectory":
- useNonPollingWatchers = true;
- // fall through
- default:
- return useNonPollingWatchers ?
- // Use notifications from FS to watch with falling back to fs.watchFile
- generateWatchFileOptions(ts.WatchFileKind.UseFsEventsOnParentDirectory, ts.PollingWatchKind.PriorityInterval, options) :
- // Default to do not use fixed polling interval
- { watchFile: ts.WatchFileKind.FixedPollingInterval };
- }
- }
- function generateWatchFileOptions(watchFile, fallbackPolling, options) {
- var defaultFallbackPolling = options === null || options === void 0 ? void 0 : options.fallbackPolling;
- return {
- watchFile: watchFile,
- fallbackPolling: defaultFallbackPolling === undefined ?
- fallbackPolling :
- defaultFallbackPolling
- };
- }
- function watchDirectory(directoryName, callback, recursive, options) {
- if (fsSupportsRecursiveFsWatch) {
- return fsWatch(directoryName, 1 /* Directory */, createFsWatchCallbackForDirectoryWatcherCallback(directoryName, callback), recursive, PollingInterval.Medium, ts.getFallbackOptions(options));
- }
- if (!hostRecursiveDirectoryWatcher) {
- hostRecursiveDirectoryWatcher = createDirectoryWatcherSupportingRecursive({
- useCaseSensitiveFileNames: useCaseSensitiveFileNames,
- directoryExists: directoryExists,
- getAccessibleSortedChildDirectories: getAccessibleSortedChildDirectories,
- watchDirectory: nonRecursiveWatchDirectory,
- realpath: realpath,
- setTimeout: setTimeout,
- clearTimeout: clearTimeout
- });
- }
- return hostRecursiveDirectoryWatcher(directoryName, callback, recursive, options);
- }
- function nonRecursiveWatchDirectory(directoryName, callback, recursive, options) {
- ts.Debug.assert(!recursive);
- options = updateOptionsForWatchDirectory(options);
- var watchDirectoryKind = ts.Debug.checkDefined(options.watchDirectory);
- switch (watchDirectoryKind) {
- case ts.WatchDirectoryKind.FixedPollingInterval:
- return pollingWatchFile(directoryName, function () { return callback(directoryName); }, PollingInterval.Medium,
- /*options*/ undefined);
- case ts.WatchDirectoryKind.DynamicPriorityPolling:
- return ensureDynamicPollingWatchFile()(directoryName, function () { return callback(directoryName); }, PollingInterval.Medium,
- /*options*/ undefined);
- case ts.WatchDirectoryKind.UseFsEvents:
- return fsWatch(directoryName, 1 /* Directory */, createFsWatchCallbackForDirectoryWatcherCallback(directoryName, callback), recursive, PollingInterval.Medium, ts.getFallbackOptions(options));
- default:
- ts.Debug.assertNever(watchDirectoryKind);
- }
- }
- function updateOptionsForWatchDirectory(options) {
- if (options && options.watchDirectory !== undefined)
- return options;
- switch (tscWatchDirectory) {
- case "RecursiveDirectoryUsingFsWatchFile":
- // Use polling interval based on priority when create watch using host.watchFile
- return { watchDirectory: ts.WatchDirectoryKind.FixedPollingInterval };
- case "RecursiveDirectoryUsingDynamicPriorityPolling":
- // Use polling interval but change the interval depending on file changes and their default polling interval
- return { watchDirectory: ts.WatchDirectoryKind.DynamicPriorityPolling };
- default:
- var defaultFallbackPolling = options === null || options === void 0 ? void 0 : options.fallbackPolling;
- return {
- watchDirectory: ts.WatchDirectoryKind.UseFsEvents,
- fallbackPolling: defaultFallbackPolling !== undefined ?
- defaultFallbackPolling :
- undefined
- };
- }
- }
- }
- ts.createSystemWatchFunctions = createSystemWatchFunctions;
- /**
- * patch writefile to create folder before writing the file
- */
- /*@internal*/
- function patchWriteFileEnsuringDirectory(sys) {
- // patch writefile to create folder before writing the file
- var originalWriteFile = sys.writeFile;
- sys.writeFile = function (path, data, writeBom) {
- return ts.writeFileEnsuringDirectories(path, data, !!writeBom, function (path, data, writeByteOrderMark) { return originalWriteFile.call(sys, path, data, writeByteOrderMark); }, function (path) { return sys.createDirectory(path); }, function (path) { return sys.directoryExists(path); });
- };
- }
- ts.patchWriteFileEnsuringDirectory = patchWriteFileEnsuringDirectory;
- function getNodeMajorVersion() {
- if (typeof process === "undefined") {
- return undefined;
- }
- var version = process.version;
- if (!version) {
- return undefined;
- }
- var dot = version.indexOf(".");
- if (dot === -1) {
- return undefined;
- }
- return parseInt(version.substring(1, dot));
- }
- ts.getNodeMajorVersion = getNodeMajorVersion;
- // TODO: GH#18217 this is used as if it's certainly defined in many places.
- // eslint-disable-next-line prefer-const
- ts.sys = (function () {
- // NodeJS detects "\uFEFF" at the start of the string and *replaces* it with the actual
- // byte order mark from the specified encoding. Using any other byte order mark does
- // not actually work.
- var byteOrderMarkIndicator = "\uFEFF";
- function getNodeSystem() {
- var nativePattern = /^native |^\([^)]+\)$|^(internal[\\/]|[a-zA-Z0-9_\s]+(\.js)?$)/;
- var _fs = require("fs");
- var _path = require("path");
- var _os = require("os");
- // crypto can be absent on reduced node installations
- var _crypto;
- try {
- _crypto = require("crypto");
- }
- catch (_a) {
- _crypto = undefined;
- }
- var activeSession;
- var profilePath = "./profile.cpuprofile";
- var Buffer = require("buffer").Buffer;
- var nodeVersion = getNodeMajorVersion();
- var isNode4OrLater = nodeVersion >= 4;
- var isLinuxOrMacOs = process.platform === "linux" || process.platform === "darwin";
- var platform = _os.platform();
- var useCaseSensitiveFileNames = isFileSystemCaseSensitive();
- var fsSupportsRecursiveFsWatch = isNode4OrLater && (process.platform === "win32" || process.platform === "darwin");
- var _b = createSystemWatchFunctions({
- pollingWatchFile: createSingleFileWatcherPerName(fsWatchFileWorker, useCaseSensitiveFileNames),
- getModifiedTime: getModifiedTime,
- setTimeout: setTimeout,
- clearTimeout: clearTimeout,
- fsWatch: fsWatch,
- useCaseSensitiveFileNames: useCaseSensitiveFileNames,
- fileExists: fileExists,
- // Node 4.0 `fs.watch` function supports the "recursive" option on both OSX and Windows
- // (ref: https://github.com/nodejs/node/pull/2649 and https://github.com/Microsoft/TypeScript/issues/4643)
- fsSupportsRecursiveFsWatch: fsSupportsRecursiveFsWatch,
- directoryExists: directoryExists,
- getAccessibleSortedChildDirectories: function (path) { return getAccessibleFileSystemEntries(path).directories; },
- realpath: realpath,
- tscWatchFile: process.env.TSC_WATCHFILE,
- useNonPollingWatchers: process.env.TSC_NONPOLLING_WATCHER,
- tscWatchDirectory: process.env.TSC_WATCHDIRECTORY,
- }), watchFile = _b.watchFile, watchDirectory = _b.watchDirectory;
- var nodeSystem = {
- args: process.argv.slice(2),
- newLine: _os.EOL,
- useCaseSensitiveFileNames: useCaseSensitiveFileNames,
- write: function (s) {
- process.stdout.write(s);
- },
- writeOutputIsTTY: function () {
- return process.stdout.isTTY;
- },
- readFile: readFile,
- writeFile: writeFile,
- watchFile: watchFile,
- watchDirectory: watchDirectory,
- resolvePath: function (path) { return _path.resolve(path); },
- fileExists: fileExists,
- directoryExists: directoryExists,
- createDirectory: function (directoryName) {
- if (!nodeSystem.directoryExists(directoryName)) {
- // Wrapped in a try-catch to prevent crashing if we are in a race
- // with another copy of ourselves to create the same directory
- try {
- _fs.mkdirSync(directoryName);
- }
- catch (e) {
- if (e.code !== "EEXIST") {
- // Failed for some other reason (access denied?); still throw
- throw e;
- }
- }
- }
- },
- getExecutingFilePath: function () {
- return __filename;
- },
- getCurrentDirectory: function () {
- return process.cwd();
- },
- getDirectories: getDirectories,
- getEnvironmentVariable: function (name) {
- return process.env[name] || "";
- },
- readDirectory: readDirectory,
- getModifiedTime: getModifiedTime,
- setModifiedTime: setModifiedTime,
- deleteFile: deleteFile,
- createHash: _crypto ? createSHA256Hash : generateDjb2Hash,
- createSHA256Hash: _crypto ? createSHA256Hash : undefined,
- getMemoryUsage: function () {
- if (global.gc) {
- global.gc();
- }
- return process.memoryUsage().heapUsed;
- },
- getFileSize: function (path) {
- try {
- var stat = _fs.statSync(path);
- if (stat.isFile()) {
- return stat.size;
- }
- }
- catch ( /*ignore*/_a) { /*ignore*/ }
- return 0;
- },
- exit: function (exitCode) {
- disableCPUProfiler(function () { return process.exit(exitCode); });
- },
- enableCPUProfiler: enableCPUProfiler,
- disableCPUProfiler: disableCPUProfiler,
- realpath: realpath,
- debugMode: !!process.env.NODE_INSPECTOR_IPC || ts.some(process.execArgv, function (arg) { return /^--(inspect|debug)(-brk)?(=\d+)?$/i.test(arg); }),
- tryEnableSourceMapsForHost: function () {
- try {
- require("source-map-support").install();
- }
- catch (_a) {
- // Could not enable source maps.
- }
- },
- setTimeout: setTimeout,
- clearTimeout: clearTimeout,
- clearScreen: function () {
- process.stdout.write("\x1Bc");
- },
- setBlocking: function () {
- if (process.stdout && process.stdout._handle && process.stdout._handle.setBlocking) {
- process.stdout._handle.setBlocking(true);
- }
- },
- bufferFrom: bufferFrom,
- base64decode: function (input) { return bufferFrom(input, "base64").toString("utf8"); },
- base64encode: function (input) { return bufferFrom(input).toString("base64"); },
- require: function (baseDir, moduleName) {
- try {
- var modulePath = ts.resolveJSModule(moduleName, baseDir, nodeSystem);
- return { module: require(modulePath), modulePath: modulePath, error: undefined };
- }
- catch (error) {
- return { module: undefined, modulePath: undefined, error: error };
- }
- }
- };
- return nodeSystem;
- /**
- * Uses the builtin inspector APIs to capture a CPU profile
- * See https://nodejs.org/api/inspector.html#inspector_example_usage for details
- */
- function enableCPUProfiler(path, cb) {
- if (activeSession) {
- cb();
- return false;
- }
- var inspector = require("inspector");
- if (!inspector || !inspector.Session) {
- cb();
- return false;
- }
- var session = new inspector.Session();
- session.connect();
- session.post("Profiler.enable", function () {
- session.post("Profiler.start", function () {
- activeSession = session;
- profilePath = path;
- cb();
- });
- });
- return true;
- }
- /**
- * Strips non-TS paths from the profile, so users with private projects shouldn't
- * need to worry about leaking paths by submitting a cpu profile to us
- */
- function cleanupPaths(profile) {
- var externalFileCounter = 0;
- var remappedPaths = ts.createMap();
- var normalizedDir = ts.normalizeSlashes(__dirname);
- // Windows rooted dir names need an extra `/` prepended to be valid file:/// urls
- var fileUrlRoot = "file://" + (ts.getRootLength(normalizedDir) === 1 ? "" : "/") + normalizedDir;
- for (var _i = 0, _a = profile.nodes; _i < _a.length; _i++) {
- var node = _a[_i];
- if (node.callFrame.url) {
- var url = ts.normalizeSlashes(node.callFrame.url);
- if (ts.containsPath(fileUrlRoot, url, useCaseSensitiveFileNames)) {
- node.callFrame.url = ts.getRelativePathToDirectoryOrUrl(fileUrlRoot, url, fileUrlRoot, ts.createGetCanonicalFileName(useCaseSensitiveFileNames), /*isAbsolutePathAnUrl*/ true);
- }
- else if (!nativePattern.test(url)) {
- node.callFrame.url = (remappedPaths.has(url) ? remappedPaths : remappedPaths.set(url, "external" + externalFileCounter + ".js")).get(url);
- externalFileCounter++;
- }
- }
- }
- return profile;
- }
- function disableCPUProfiler(cb) {
- if (activeSession && activeSession !== "stopping") {
- var s_1 = activeSession;
- activeSession.post("Profiler.stop", function (err, _a) {
- var profile = _a.profile;
- if (!err) {
- try {
- if (_fs.statSync(profilePath).isDirectory()) {
- profilePath = _path.join(profilePath, (new Date()).toISOString().replace(/:/g, "-") + "+P" + process.pid + ".cpuprofile");
- }
- }
- catch (_b) {
- // do nothing and ignore fallible fs operation
- }
- try {
- _fs.mkdirSync(_path.dirname(profilePath), { recursive: true });
- }
- catch (_c) {
- // do nothing and ignore fallible fs operation
- }
- _fs.writeFileSync(profilePath, JSON.stringify(cleanupPaths(profile)));
- }
- activeSession = undefined;
- s_1.disconnect();
- cb();
- });
- activeSession = "stopping";
- return true;
- }
- else {
- cb();
- return false;
- }
- }
- function bufferFrom(input, encoding) {
- // See https://github.com/Microsoft/TypeScript/issues/25652
- return Buffer.from && Buffer.from !== Int8Array.from
- ? Buffer.from(input, encoding)
- : new Buffer(input, encoding);
- }
- function isFileSystemCaseSensitive() {
- // win32\win64 are case insensitive platforms
- if (platform === "win32" || platform === "win64") {
- return false;
- }
- // If this file exists under a different case, we must be case-insensitve.
- return !fileExists(swapCase(__filename));
- }
- /** Convert all lowercase chars to uppercase, and vice-versa */
- function swapCase(s) {
- return s.replace(/\w/g, function (ch) {
- var up = ch.toUpperCase();
- return ch === up ? ch.toLowerCase() : up;
- });
- }
- function fsWatchFileWorker(fileName, callback, pollingInterval) {
- _fs.watchFile(fileName, { persistent: true, interval: pollingInterval }, fileChanged);
- var eventKind;
- return {
- close: function () { return _fs.unwatchFile(fileName, fileChanged); }
- };
- function fileChanged(curr, prev) {
- // previous event kind check is to ensure we recongnize the file as previously also missing when it is restored or renamed twice (that is it disappears and reappears)
- // In such case, prevTime returned is same as prev time of event when file was deleted as per node documentation
- var isPreviouslyDeleted = +prev.mtime === 0 || eventKind === FileWatcherEventKind.Deleted;
- if (+curr.mtime === 0) {
- if (isPreviouslyDeleted) {
- // Already deleted file, no need to callback again
- return;
- }
- eventKind = FileWatcherEventKind.Deleted;
- }
- else if (isPreviouslyDeleted) {
- eventKind = FileWatcherEventKind.Created;
- }
- // If there is no change in modified time, ignore the event
- else if (+curr.mtime === +prev.mtime) {
- return;
- }
- else {
- // File changed
- eventKind = FileWatcherEventKind.Changed;
- }
- callback(fileName, eventKind);
- }
- }
- function fsWatch(fileOrDirectory, entryKind, callback, recursive, fallbackPollingInterval, fallbackOptions) {
- var options;
- var lastDirectoryPartWithDirectorySeparator;
- var lastDirectoryPart;
- if (isLinuxOrMacOs) {
- lastDirectoryPartWithDirectorySeparator = fileOrDirectory.substr(fileOrDirectory.lastIndexOf(ts.directorySeparator));
- lastDirectoryPart = lastDirectoryPartWithDirectorySeparator.slice(ts.directorySeparator.length);
- }
- /** Watcher for the file system entry depending on whether it is missing or present */
- var watcher = !fileSystemEntryExists(fileOrDirectory, entryKind) ?
- watchMissingFileSystemEntry() :
- watchPresentFileSystemEntry();
- return {
- close: function () {
- // Close the watcher (either existing file system entry watcher or missing file system entry watcher)
- watcher.close();
- watcher = undefined;
- }
- };
- /**
- * Invoke the callback with rename and update the watcher if not closed
- * @param createWatcher
- */
- function invokeCallbackAndUpdateWatcher(createWatcher) {
- ts.sysLog("sysLog:: " + fileOrDirectory + ":: Changing watcher to " + (createWatcher === watchPresentFileSystemEntry ? "Present" : "Missing") + "FileSystemEntryWatcher");
- // Call the callback for current directory
- callback("rename", "");
- // If watcher is not closed, update it
- if (watcher) {
- watcher.close();
- watcher = createWatcher();
- }
- }
- /**
- * Watch the file or directory that is currently present
- * and when the watched file or directory is deleted, switch to missing file system entry watcher
- */
- function watchPresentFileSystemEntry() {
- // Node 4.0 `fs.watch` function supports the "recursive" option on both OSX and Windows
- // (ref: https://github.com/nodejs/node/pull/2649 and https://github.com/Microsoft/TypeScript/issues/4643)
- if (options === undefined) {
- if (fsSupportsRecursiveFsWatch) {
- options = { persistent: true, recursive: !!recursive };
- }
- else {
- options = { persistent: true };
- }
- }
- try {
- var presentWatcher = _fs.watch(fileOrDirectory, options, isLinuxOrMacOs ?
- callbackChangingToMissingFileSystemEntry :
- callback);
- // Watch the missing file or directory or error
- presentWatcher.on("error", function () { return invokeCallbackAndUpdateWatcher(watchMissingFileSystemEntry); });
- return presentWatcher;
- }
- catch (e) {
- // Catch the exception and use polling instead
- // Eg. on linux the number of watches are limited and one could easily exhaust watches and the exception ENOSPC is thrown when creating watcher at that point
- // so instead of throwing error, use fs.watchFile
- return watchPresentFileSystemEntryWithFsWatchFile();
- }
- }
- function callbackChangingToMissingFileSystemEntry(event, relativeName) {
- // because relativeName is not guaranteed to be correct we need to check on each rename with few combinations
- // Eg on ubuntu while watching app/node_modules the relativeName is "node_modules" which is neither relative nor full path
- return event === "rename" &&
- (!relativeName ||
- relativeName === lastDirectoryPart ||
- relativeName.lastIndexOf(lastDirectoryPartWithDirectorySeparator) === relativeName.length - lastDirectoryPartWithDirectorySeparator.length) &&
- !fileSystemEntryExists(fileOrDirectory, entryKind) ?
- invokeCallbackAndUpdateWatcher(watchMissingFileSystemEntry) :
- callback(event, relativeName);
- }
- /**
- * Watch the file or directory using fs.watchFile since fs.watch threw exception
- * Eg. on linux the number of watches are limited and one could easily exhaust watches and the exception ENOSPC is thrown when creating watcher at that point
- */
- function watchPresentFileSystemEntryWithFsWatchFile() {
- ts.sysLog("sysLog:: " + fileOrDirectory + ":: Changing to fsWatchFile");
- return watchFile(fileOrDirectory, createFileWatcherCallback(callback), fallbackPollingInterval, fallbackOptions);
- }
- /**
- * Watch the file or directory that is missing
- * and switch to existing file or directory when the missing filesystem entry is created
- */
- function watchMissingFileSystemEntry() {
- return watchFile(fileOrDirectory, function (_fileName, eventKind) {
- if (eventKind === FileWatcherEventKind.Created && fileSystemEntryExists(fileOrDirectory, entryKind)) {
- // Call the callback for current file or directory
- // For now it could be callback for the inner directory creation,
- // but just return current directory, better than current no-op
- invokeCallbackAndUpdateWatcher(watchPresentFileSystemEntry);
- }
- }, fallbackPollingInterval, fallbackOptions);
- }
- }
- function readFileWorker(fileName, _encoding) {
- var buffer;
- try {
- buffer = _fs.readFileSync(fileName);
- }
- catch (e) {
- return undefined;
- }
- var len = buffer.length;
- if (len >= 2 && buffer[0] === 0xFE && buffer[1] === 0xFF) {
- // Big endian UTF-16 byte order mark detected. Since big endian is not supported by node.js,
- // flip all byte pairs and treat as little endian.
- len &= ~1; // Round down to a multiple of 2
- for (var i = 0; i < len; i += 2) {
- var temp = buffer[i];
- buffer[i] = buffer[i + 1];
- buffer[i + 1] = temp;
- }
- return buffer.toString("utf16le", 2);
- }
- if (len >= 2 && buffer[0] === 0xFF && buffer[1] === 0xFE) {
- // Little endian UTF-16 byte order mark detected
- return buffer.toString("utf16le", 2);
- }
- if (len >= 3 && buffer[0] === 0xEF && buffer[1] === 0xBB && buffer[2] === 0xBF) {
- // UTF-8 byte order mark detected
- return buffer.toString("utf8", 3);
- }
- // Default is UTF-8 with no byte order mark
- return buffer.toString("utf8");
- }
- function readFile(fileName, _encoding) {
- ts.perfLogger.logStartReadFile(fileName);
- var file = readFileWorker(fileName, _encoding);
- ts.perfLogger.logStopReadFile();
- return file;
- }
- function writeFile(fileName, data, writeByteOrderMark) {
- ts.perfLogger.logEvent("WriteFile: " + fileName);
- // If a BOM is required, emit one
- if (writeByteOrderMark) {
- data = byteOrderMarkIndicator + data;
- }
- var fd;
- try {
- fd = _fs.openSync(fileName, "w");
- _fs.writeSync(fd, data, /*position*/ undefined, "utf8");
- }
- finally {
- if (fd !== undefined) {
- _fs.closeSync(fd);
- }
- }
- }
- function getAccessibleFileSystemEntries(path) {
- ts.perfLogger.logEvent("ReadDir: " + (path || "."));
- try {
- var entries = _fs.readdirSync(path || ".", { withFileTypes: true });
- var files = [];
- var directories = [];
- for (var _i = 0, entries_2 = entries; _i < entries_2.length; _i++) {
- var dirent = entries_2[_i];
- // withFileTypes is not supported before Node 10.10.
- var entry = typeof dirent === "string" ? dirent : dirent.name;
- // This is necessary because on some file system node fails to exclude
- // "." and "..". See https://github.com/nodejs/node/issues/4002
- if (entry === "." || entry === "..") {
- continue;
- }
- var stat = void 0;
- if (typeof dirent === "string" || dirent.isSymbolicLink()) {
- var name = ts.combinePaths(path, entry);
- try {
- stat = _fs.statSync(name);
- }
- catch (e) {
- continue;
- }
- }
- else {
- stat = dirent;
- }
- if (stat.isFile()) {
- files.push(entry);
- }
- else if (stat.isDirectory()) {
- directories.push(entry);
- }
- }
- files.sort();
- directories.sort();
- return { files: files, directories: directories };
- }
- catch (e) {
- return ts.emptyFileSystemEntries;
- }
- }
- function readDirectory(path, extensions, excludes, includes, depth) {
- return ts.matchFiles(path, extensions, excludes, includes, useCaseSensitiveFileNames, process.cwd(), depth, getAccessibleFileSystemEntries, realpath);
- }
- function fileSystemEntryExists(path, entryKind) {
- try {
- var stat = _fs.statSync(path);
- switch (entryKind) {
- case 0 /* File */: return stat.isFile();
- case 1 /* Directory */: return stat.isDirectory();
- default: return false;
- }
- }
- catch (e) {
- return false;
- }
- }
- function fileExists(path) {
- return fileSystemEntryExists(path, 0 /* File */);
- }
- function directoryExists(path) {
- return fileSystemEntryExists(path, 1 /* Directory */);
- }
- function getDirectories(path) {
- return getAccessibleFileSystemEntries(path).directories.slice();
- }
- function realpath(path) {
- try {
- return _fs.realpathSync(path);
- }
- catch (_a) {
- return path;
- }
- }
- function getModifiedTime(path) {
- try {
- return _fs.statSync(path).mtime;
- }
- catch (e) {
- return undefined;
- }
- }
- function setModifiedTime(path, time) {
- try {
- _fs.utimesSync(path, time, time);
- }
- catch (e) {
- return;
- }
- }
- function deleteFile(path) {
- try {
- return _fs.unlinkSync(path);
- }
- catch (e) {
- return;
- }
- }
- function createSHA256Hash(data) {
- var hash = _crypto.createHash("sha256");
- hash.update(data);
- return hash.digest("hex");
- }
- }
- var sys;
- if (typeof process !== "undefined" && process.nextTick && !process.browser && typeof require !== "undefined") {
- // process and process.nextTick checks if current environment is node-like
- // process.browser check excludes webpack and browserify
- sys = getNodeSystem();
- }
- if (sys) {
- // patch writefile to create folder before writing the file
- patchWriteFileEnsuringDirectory(sys);
- }
- return sys;
- })();
- if (ts.sys && ts.sys.getEnvironmentVariable) {
- setCustomPollingValues(ts.sys);
- ts.Debug.setAssertionLevel(/^development$/i.test(ts.sys.getEnvironmentVariable("NODE_ENV"))
- ? 1 /* Normal */
- : 0 /* None */);
- }
- if (ts.sys && ts.sys.debugMode) {
- ts.Debug.isDebugging = true;
- }
-})(ts || (ts = {}));
-/* @internal */
-var ts;
-(function (ts) {
- /**
- * Internally, we represent paths as strings with '/' as the directory separator.
- * When we make system calls (eg: LanguageServiceHost.getDirectory()),
- * we expect the host to correctly handle paths in our specified format.
- */
- ts.directorySeparator = "/";
- var altDirectorySeparator = "\\";
- var urlSchemeSeparator = "://";
- var backslashRegExp = /\\/g;
- //// Path Tests
- /**
- * Determines whether a charCode corresponds to `/` or `\`.
- */
- function isAnyDirectorySeparator(charCode) {
- return charCode === 47 /* slash */ || charCode === 92 /* backslash */;
- }
- ts.isAnyDirectorySeparator = isAnyDirectorySeparator;
- /**
- * Determines whether a path starts with a URL scheme (e.g. starts with `http://`, `ftp://`, `file://`, etc.).
- */
- function isUrl(path) {
- return getEncodedRootLength(path) < 0;
- }
- ts.isUrl = isUrl;
- /**
- * Determines whether a path is an absolute disk path (e.g. starts with `/`, or a dos path
- * like `c:`, `c:\` or `c:/`).
- */
- function isRootedDiskPath(path) {
- return getEncodedRootLength(path) > 0;
- }
- ts.isRootedDiskPath = isRootedDiskPath;
- /**
- * Determines whether a path consists only of a path root.
- */
- function isDiskPathRoot(path) {
- var rootLength = getEncodedRootLength(path);
- return rootLength > 0 && rootLength === path.length;
- }
- ts.isDiskPathRoot = isDiskPathRoot;
- /**
- * Determines whether a path starts with an absolute path component (i.e. `/`, `c:/`, `file://`, etc.).
- *
- * ```ts
- * // POSIX
- * pathIsAbsolute("/path/to/file.ext") === true
- * // DOS
- * pathIsAbsolute("c:/path/to/file.ext") === true
- * // URL
- * pathIsAbsolute("file:///path/to/file.ext") === true
- * // Non-absolute
- * pathIsAbsolute("path/to/file.ext") === false
- * pathIsAbsolute("./path/to/file.ext") === false
- * ```
- */
- function pathIsAbsolute(path) {
- return getEncodedRootLength(path) !== 0;
- }
- ts.pathIsAbsolute = pathIsAbsolute;
- /**
- * Determines whether a path starts with a relative path component (i.e. `.` or `..`).
- */
- function pathIsRelative(path) {
- return /^\.\.?($|[\\/])/.test(path);
- }
- ts.pathIsRelative = pathIsRelative;
- function hasExtension(fileName) {
- return ts.stringContains(getBaseFileName(fileName), ".");
- }
- ts.hasExtension = hasExtension;
- function fileExtensionIs(path, extension) {
- return path.length > extension.length && ts.endsWith(path, extension);
- }
- ts.fileExtensionIs = fileExtensionIs;
- function fileExtensionIsOneOf(path, extensions) {
- for (var _i = 0, extensions_1 = extensions; _i < extensions_1.length; _i++) {
- var extension = extensions_1[_i];
- if (fileExtensionIs(path, extension)) {
- return true;
- }
- }
- return false;
- }
- ts.fileExtensionIsOneOf = fileExtensionIsOneOf;
- /**
- * Determines whether a path has a trailing separator (`/` or `\\`).
- */
- function hasTrailingDirectorySeparator(path) {
- return path.length > 0 && isAnyDirectorySeparator(path.charCodeAt(path.length - 1));
- }
- ts.hasTrailingDirectorySeparator = hasTrailingDirectorySeparator;
- //// Path Parsing
- function isVolumeCharacter(charCode) {
- return (charCode >= 97 /* a */ && charCode <= 122 /* z */) ||
- (charCode >= 65 /* A */ && charCode <= 90 /* Z */);
- }
- function getFileUrlVolumeSeparatorEnd(url, start) {
- var ch0 = url.charCodeAt(start);
- if (ch0 === 58 /* colon */)
- return start + 1;
- if (ch0 === 37 /* percent */ && url.charCodeAt(start + 1) === 51 /* _3 */) {
- var ch2 = url.charCodeAt(start + 2);
- if (ch2 === 97 /* a */ || ch2 === 65 /* A */)
- return start + 3;
- }
- return -1;
- }
- /**
- * Returns length of the root part of a path or URL (i.e. length of "/", "x:/", "//server/share/, file:///user/files").
- * If the root is part of a URL, the twos-complement of the root length is returned.
- */
- function getEncodedRootLength(path) {
- if (!path)
- return 0;
- var ch0 = path.charCodeAt(0);
- // POSIX or UNC
- if (ch0 === 47 /* slash */ || ch0 === 92 /* backslash */) {
- if (path.charCodeAt(1) !== ch0)
- return 1; // POSIX: "/" (or non-normalized "\")
- var p1 = path.indexOf(ch0 === 47 /* slash */ ? ts.directorySeparator : altDirectorySeparator, 2);
- if (p1 < 0)
- return path.length; // UNC: "//server" or "\\server"
- return p1 + 1; // UNC: "//server/" or "\\server\"
- }
- // DOS
- if (isVolumeCharacter(ch0) && path.charCodeAt(1) === 58 /* colon */) {
- var ch2 = path.charCodeAt(2);
- if (ch2 === 47 /* slash */ || ch2 === 92 /* backslash */)
- return 3; // DOS: "c:/" or "c:\"
- if (path.length === 2)
- return 2; // DOS: "c:" (but not "c:d")
- }
- // URL
- var schemeEnd = path.indexOf(urlSchemeSeparator);
- if (schemeEnd !== -1) {
- var authorityStart = schemeEnd + urlSchemeSeparator.length;
- var authorityEnd = path.indexOf(ts.directorySeparator, authorityStart);
- if (authorityEnd !== -1) { // URL: "file:///", "file://server/", "file://server/path"
- // For local "file" URLs, include the leading DOS volume (if present).
- // Per https://www.ietf.org/rfc/rfc1738.txt, a host of "" or "localhost" is a
- // special case interpreted as "the machine from which the URL is being interpreted".
- var scheme = path.slice(0, schemeEnd);
- var authority = path.slice(authorityStart, authorityEnd);
- if (scheme === "file" && (authority === "" || authority === "localhost") &&
- isVolumeCharacter(path.charCodeAt(authorityEnd + 1))) {
- var volumeSeparatorEnd = getFileUrlVolumeSeparatorEnd(path, authorityEnd + 2);
- if (volumeSeparatorEnd !== -1) {
- if (path.charCodeAt(volumeSeparatorEnd) === 47 /* slash */) {
- // URL: "file:///c:/", "file://localhost/c:/", "file:///c%3a/", "file://localhost/c%3a/"
- return ~(volumeSeparatorEnd + 1);
- }
- if (volumeSeparatorEnd === path.length) {
- // URL: "file:///c:", "file://localhost/c:", "file:///c$3a", "file://localhost/c%3a"
- // but not "file:///c:d" or "file:///c%3ad"
- return ~volumeSeparatorEnd;
- }
- }
- }
- return ~(authorityEnd + 1); // URL: "file://server/", "http://server/"
- }
- return ~path.length; // URL: "file://server", "http://server"
- }
- // relative
- return 0;
- }
- /**
- * Returns length of the root part of a path or URL (i.e. length of "/", "x:/", "//server/share/, file:///user/files").
- *
- * For example:
- * ```ts
- * getRootLength("a") === 0 // ""
- * getRootLength("/") === 1 // "/"
- * getRootLength("c:") === 2 // "c:"
- * getRootLength("c:d") === 0 // ""
- * getRootLength("c:/") === 3 // "c:/"
- * getRootLength("c:\\") === 3 // "c:\\"
- * getRootLength("//server") === 7 // "//server"
- * getRootLength("//server/share") === 8 // "//server/"
- * getRootLength("\\\\server") === 7 // "\\\\server"
- * getRootLength("\\\\server\\share") === 8 // "\\\\server\\"
- * getRootLength("file:///path") === 8 // "file:///"
- * getRootLength("file:///c:") === 10 // "file:///c:"
- * getRootLength("file:///c:d") === 8 // "file:///"
- * getRootLength("file:///c:/path") === 11 // "file:///c:/"
- * getRootLength("file://server") === 13 // "file://server"
- * getRootLength("file://server/path") === 14 // "file://server/"
- * getRootLength("http://server") === 13 // "http://server"
- * getRootLength("http://server/path") === 14 // "http://server/"
- * ```
- */
- function getRootLength(path) {
- var rootLength = getEncodedRootLength(path);
- return rootLength < 0 ? ~rootLength : rootLength;
- }
- ts.getRootLength = getRootLength;
- function getDirectoryPath(path) {
- path = normalizeSlashes(path);
- // If the path provided is itself the root, then return it.
- var rootLength = getRootLength(path);
- if (rootLength === path.length)
- return path;
- // return the leading portion of the path up to the last (non-terminal) directory separator
- // but not including any trailing directory separator.
- path = removeTrailingDirectorySeparator(path);
- return path.slice(0, Math.max(rootLength, path.lastIndexOf(ts.directorySeparator)));
- }
- ts.getDirectoryPath = getDirectoryPath;
- function getBaseFileName(path, extensions, ignoreCase) {
- path = normalizeSlashes(path);
- // if the path provided is itself the root, then it has not file name.
- var rootLength = getRootLength(path);
- if (rootLength === path.length)
- return "";
- // return the trailing portion of the path starting after the last (non-terminal) directory
- // separator but not including any trailing directory separator.
- path = removeTrailingDirectorySeparator(path);
- var name = path.slice(Math.max(getRootLength(path), path.lastIndexOf(ts.directorySeparator) + 1));
- var extension = extensions !== undefined && ignoreCase !== undefined ? getAnyExtensionFromPath(name, extensions, ignoreCase) : undefined;
- return extension ? name.slice(0, name.length - extension.length) : name;
- }
- ts.getBaseFileName = getBaseFileName;
- function tryGetExtensionFromPath(path, extension, stringEqualityComparer) {
- if (!ts.startsWith(extension, "."))
- extension = "." + extension;
- if (path.length >= extension.length && path.charCodeAt(path.length - extension.length) === 46 /* dot */) {
- var pathExtension = path.slice(path.length - extension.length);
- if (stringEqualityComparer(pathExtension, extension)) {
- return pathExtension;
- }
- }
- }
- function getAnyExtensionFromPathWorker(path, extensions, stringEqualityComparer) {
- if (typeof extensions === "string") {
- return tryGetExtensionFromPath(path, extensions, stringEqualityComparer) || "";
- }
- for (var _i = 0, extensions_2 = extensions; _i < extensions_2.length; _i++) {
- var extension = extensions_2[_i];
- var result = tryGetExtensionFromPath(path, extension, stringEqualityComparer);
- if (result)
- return result;
- }
- return "";
- }
- function getAnyExtensionFromPath(path, extensions, ignoreCase) {
- // Retrieves any string from the final "." onwards from a base file name.
- // Unlike extensionFromPath, which throws an exception on unrecognized extensions.
- if (extensions) {
- return getAnyExtensionFromPathWorker(removeTrailingDirectorySeparator(path), extensions, ignoreCase ? ts.equateStringsCaseInsensitive : ts.equateStringsCaseSensitive);
- }
- var baseFileName = getBaseFileName(path);
- var extensionIndex = baseFileName.lastIndexOf(".");
- if (extensionIndex >= 0) {
- return baseFileName.substring(extensionIndex);
- }
- return "";
- }
- ts.getAnyExtensionFromPath = getAnyExtensionFromPath;
- function pathComponents(path, rootLength) {
- var root = path.substring(0, rootLength);
- var rest = path.substring(rootLength).split(ts.directorySeparator);
- if (rest.length && !ts.lastOrUndefined(rest))
- rest.pop();
- return __spreadArrays([root], rest);
- }
- /**
- * Parse a path into an array containing a root component (at index 0) and zero or more path
- * components (at indices > 0). The result is not normalized.
- * If the path is relative, the root component is `""`.
- * If the path is absolute, the root component includes the first path separator (`/`).
- *
- * ```ts
- * // POSIX
- * getPathComponents("/path/to/file.ext") === ["/", "path", "to", "file.ext"]
- * getPathComponents("/path/to/") === ["/", "path", "to"]
- * getPathComponents("/") === ["/"]
- * // DOS
- * getPathComponents("c:/path/to/file.ext") === ["c:/", "path", "to", "file.ext"]
- * getPathComponents("c:/path/to/") === ["c:/", "path", "to"]
- * getPathComponents("c:/") === ["c:/"]
- * getPathComponents("c:") === ["c:"]
- * // URL
- * getPathComponents("http://typescriptlang.org/path/to/file.ext") === ["http://typescriptlang.org/", "path", "to", "file.ext"]
- * getPathComponents("http://typescriptlang.org/path/to/") === ["http://typescriptlang.org/", "path", "to"]
- * getPathComponents("http://typescriptlang.org/") === ["http://typescriptlang.org/"]
- * getPathComponents("http://typescriptlang.org") === ["http://typescriptlang.org"]
- * getPathComponents("file://server/path/to/file.ext") === ["file://server/", "path", "to", "file.ext"]
- * getPathComponents("file://server/path/to/") === ["file://server/", "path", "to"]
- * getPathComponents("file://server/") === ["file://server/"]
- * getPathComponents("file://server") === ["file://server"]
- * getPathComponents("file:///path/to/file.ext") === ["file:///", "path", "to", "file.ext"]
- * getPathComponents("file:///path/to/") === ["file:///", "path", "to"]
- * getPathComponents("file:///") === ["file:///"]
- * getPathComponents("file://") === ["file://"]
- */
- function getPathComponents(path, currentDirectory) {
- if (currentDirectory === void 0) { currentDirectory = ""; }
- path = combinePaths(currentDirectory, path);
- return pathComponents(path, getRootLength(path));
- }
- ts.getPathComponents = getPathComponents;
- //// Path Formatting
- /**
- * Formats a parsed path consisting of a root component (at index 0) and zero or more path
- * segments (at indices > 0).
- *
- * ```ts
- * getPathFromPathComponents(["/", "path", "to", "file.ext"]) === "/path/to/file.ext"
- * ```
- */
- function getPathFromPathComponents(pathComponents) {
- if (pathComponents.length === 0)
- return "";
- var root = pathComponents[0] && ensureTrailingDirectorySeparator(pathComponents[0]);
- return root + pathComponents.slice(1).join(ts.directorySeparator);
- }
- ts.getPathFromPathComponents = getPathFromPathComponents;
- //// Path Normalization
- /**
- * Normalize path separators, converting `\` into `/`.
- */
- function normalizeSlashes(path) {
- return path.replace(backslashRegExp, ts.directorySeparator);
- }
- ts.normalizeSlashes = normalizeSlashes;
- /**
- * Reduce an array of path components to a more simplified path by navigating any
- * `"."` or `".."` entries in the path.
- */
- function reducePathComponents(components) {
- if (!ts.some(components))
- return [];
- var reduced = [components[0]];
- for (var i = 1; i < components.length; i++) {
- var component = components[i];
- if (!component)
- continue;
- if (component === ".")
- continue;
- if (component === "..") {
- if (reduced.length > 1) {
- if (reduced[reduced.length - 1] !== "..") {
- reduced.pop();
- continue;
- }
- }
- else if (reduced[0])
- continue;
- }
- reduced.push(component);
- }
- return reduced;
- }
- ts.reducePathComponents = reducePathComponents;
- /**
- * Combines paths. If a path is absolute, it replaces any previous path. Relative paths are not simplified.
- *
- * ```ts
- * // Non-rooted
- * combinePaths("path", "to", "file.ext") === "path/to/file.ext"
- * combinePaths("path", "dir", "..", "to", "file.ext") === "path/dir/../to/file.ext"
- * // POSIX
- * combinePaths("/path", "to", "file.ext") === "/path/to/file.ext"
- * combinePaths("/path", "/to", "file.ext") === "/to/file.ext"
- * // DOS
- * combinePaths("c:/path", "to", "file.ext") === "c:/path/to/file.ext"
- * combinePaths("c:/path", "c:/to", "file.ext") === "c:/to/file.ext"
- * // URL
- * combinePaths("file:///path", "to", "file.ext") === "file:///path/to/file.ext"
- * combinePaths("file:///path", "file:///to", "file.ext") === "file:///to/file.ext"
- * ```
- */
- function combinePaths(path) {
- var paths = [];
- for (var _i = 1; _i < arguments.length; _i++) {
- paths[_i - 1] = arguments[_i];
- }
- if (path)
- path = normalizeSlashes(path);
- for (var _a = 0, paths_1 = paths; _a < paths_1.length; _a++) {
- var relativePath = paths_1[_a];
- if (!relativePath)
- continue;
- relativePath = normalizeSlashes(relativePath);
- if (!path || getRootLength(relativePath) !== 0) {
- path = relativePath;
- }
- else {
- path = ensureTrailingDirectorySeparator(path) + relativePath;
- }
- }
- return path;
- }
- ts.combinePaths = combinePaths;
- /**
- * Combines and resolves paths. If a path is absolute, it replaces any previous path. Any
- * `.` and `..` path components are resolved. Trailing directory separators are preserved.
- *
- * ```ts
- * resolvePath("/path", "to", "file.ext") === "path/to/file.ext"
- * resolvePath("/path", "to", "file.ext/") === "path/to/file.ext/"
- * resolvePath("/path", "dir", "..", "to", "file.ext") === "path/to/file.ext"
- * ```
- */
- function resolvePath(path) {
- var paths = [];
- for (var _i = 1; _i < arguments.length; _i++) {
- paths[_i - 1] = arguments[_i];
- }
- return normalizePath(ts.some(paths) ? combinePaths.apply(void 0, __spreadArrays([path], paths)) : normalizeSlashes(path));
- }
- ts.resolvePath = resolvePath;
- /**
- * Parse a path into an array containing a root component (at index 0) and zero or more path
- * components (at indices > 0). The result is normalized.
- * If the path is relative, the root component is `""`.
- * If the path is absolute, the root component includes the first path separator (`/`).
- *
- * ```ts
- * getNormalizedPathComponents("to/dir/../file.ext", "/path/") === ["/", "path", "to", "file.ext"]
- * ```
- */
- function getNormalizedPathComponents(path, currentDirectory) {
- return reducePathComponents(getPathComponents(path, currentDirectory));
- }
- ts.getNormalizedPathComponents = getNormalizedPathComponents;
- function getNormalizedAbsolutePath(fileName, currentDirectory) {
- return getPathFromPathComponents(getNormalizedPathComponents(fileName, currentDirectory));
- }
- ts.getNormalizedAbsolutePath = getNormalizedAbsolutePath;
- function normalizePath(path) {
- path = normalizeSlashes(path);
- var normalized = getPathFromPathComponents(reducePathComponents(getPathComponents(path)));
- return normalized && hasTrailingDirectorySeparator(path) ? ensureTrailingDirectorySeparator(normalized) : normalized;
- }
- ts.normalizePath = normalizePath;
- function getPathWithoutRoot(pathComponents) {
- if (pathComponents.length === 0)
- return "";
- return pathComponents.slice(1).join(ts.directorySeparator);
- }
- function getNormalizedAbsolutePathWithoutRoot(fileName, currentDirectory) {
- return getPathWithoutRoot(getNormalizedPathComponents(fileName, currentDirectory));
- }
- ts.getNormalizedAbsolutePathWithoutRoot = getNormalizedAbsolutePathWithoutRoot;
- function toPath(fileName, basePath, getCanonicalFileName) {
- var nonCanonicalizedPath = isRootedDiskPath(fileName)
- ? normalizePath(fileName)
- : getNormalizedAbsolutePath(fileName, basePath);
- return getCanonicalFileName(nonCanonicalizedPath);
- }
- ts.toPath = toPath;
- function normalizePathAndParts(path) {
- path = normalizeSlashes(path);
- var _a = reducePathComponents(getPathComponents(path)), root = _a[0], parts = _a.slice(1);
- if (parts.length) {
- var joinedParts = root + parts.join(ts.directorySeparator);
- return { path: hasTrailingDirectorySeparator(path) ? ensureTrailingDirectorySeparator(joinedParts) : joinedParts, parts: parts };
- }
- else {
- return { path: root, parts: parts };
- }
- }
- ts.normalizePathAndParts = normalizePathAndParts;
- function removeTrailingDirectorySeparator(path) {
- if (hasTrailingDirectorySeparator(path)) {
- return path.substr(0, path.length - 1);
- }
- return path;
- }
- ts.removeTrailingDirectorySeparator = removeTrailingDirectorySeparator;
- function ensureTrailingDirectorySeparator(path) {
- if (!hasTrailingDirectorySeparator(path)) {
- return path + ts.directorySeparator;
- }
- return path;
- }
- ts.ensureTrailingDirectorySeparator = ensureTrailingDirectorySeparator;
- /**
- * Ensures a path is either absolute (prefixed with `/` or `c:`) or dot-relative (prefixed
- * with `./` or `../`) so as not to be confused with an unprefixed module name.
- *
- * ```ts
- * ensurePathIsNonModuleName("/path/to/file.ext") === "/path/to/file.ext"
- * ensurePathIsNonModuleName("./path/to/file.ext") === "./path/to/file.ext"
- * ensurePathIsNonModuleName("../path/to/file.ext") === "../path/to/file.ext"
- * ensurePathIsNonModuleName("path/to/file.ext") === "./path/to/file.ext"
- * ```
- */
- function ensurePathIsNonModuleName(path) {
- return !pathIsAbsolute(path) && !pathIsRelative(path) ? "./" + path : path;
- }
- ts.ensurePathIsNonModuleName = ensurePathIsNonModuleName;
- function changeAnyExtension(path, ext, extensions, ignoreCase) {
- var pathext = extensions !== undefined && ignoreCase !== undefined ? getAnyExtensionFromPath(path, extensions, ignoreCase) : getAnyExtensionFromPath(path);
- return pathext ? path.slice(0, path.length - pathext.length) + (ts.startsWith(ext, ".") ? ext : "." + ext) : path;
- }
- ts.changeAnyExtension = changeAnyExtension;
- //// Path Comparisons
- // check path for these segments: '', '.'. '..'
- var relativePathSegmentRegExp = /(^|\/)\.{0,2}($|\/)/;
- function comparePathsWorker(a, b, componentComparer) {
- if (a === b)
- return 0 /* EqualTo */;
- if (a === undefined)
- return -1 /* LessThan */;
- if (b === undefined)
- return 1 /* GreaterThan */;
- // NOTE: Performance optimization - shortcut if the root segments differ as there would be no
- // need to perform path reduction.
- var aRoot = a.substring(0, getRootLength(a));
- var bRoot = b.substring(0, getRootLength(b));
- var result = ts.compareStringsCaseInsensitive(aRoot, bRoot);
- if (result !== 0 /* EqualTo */) {
- return result;
- }
- // NOTE: Performance optimization - shortcut if there are no relative path segments in
- // the non-root portion of the path
- var aRest = a.substring(aRoot.length);
- var bRest = b.substring(bRoot.length);
- if (!relativePathSegmentRegExp.test(aRest) && !relativePathSegmentRegExp.test(bRest)) {
- return componentComparer(aRest, bRest);
- }
- // The path contains a relative path segment. Normalize the paths and perform a slower component
- // by component comparison.
- var aComponents = reducePathComponents(getPathComponents(a));
- var bComponents = reducePathComponents(getPathComponents(b));
- var sharedLength = Math.min(aComponents.length, bComponents.length);
- for (var i = 1; i < sharedLength; i++) {
- var result_1 = componentComparer(aComponents[i], bComponents[i]);
- if (result_1 !== 0 /* EqualTo */) {
- return result_1;
- }
- }
- return ts.compareValues(aComponents.length, bComponents.length);
- }
- /**
- * Performs a case-sensitive comparison of two paths. Path roots are always compared case-insensitively.
- */
- function comparePathsCaseSensitive(a, b) {
- return comparePathsWorker(a, b, ts.compareStringsCaseSensitive);
- }
- ts.comparePathsCaseSensitive = comparePathsCaseSensitive;
- /**
- * Performs a case-insensitive comparison of two paths.
- */
- function comparePathsCaseInsensitive(a, b) {
- return comparePathsWorker(a, b, ts.compareStringsCaseInsensitive);
- }
- ts.comparePathsCaseInsensitive = comparePathsCaseInsensitive;
- function comparePaths(a, b, currentDirectory, ignoreCase) {
- if (typeof currentDirectory === "string") {
- a = combinePaths(currentDirectory, a);
- b = combinePaths(currentDirectory, b);
- }
- else if (typeof currentDirectory === "boolean") {
- ignoreCase = currentDirectory;
- }
- return comparePathsWorker(a, b, ts.getStringComparer(ignoreCase));
- }
- ts.comparePaths = comparePaths;
- function containsPath(parent, child, currentDirectory, ignoreCase) {
- if (typeof currentDirectory === "string") {
- parent = combinePaths(currentDirectory, parent);
- child = combinePaths(currentDirectory, child);
- }
- else if (typeof currentDirectory === "boolean") {
- ignoreCase = currentDirectory;
- }
- if (parent === undefined || child === undefined)
- return false;
- if (parent === child)
- return true;
- var parentComponents = reducePathComponents(getPathComponents(parent));
- var childComponents = reducePathComponents(getPathComponents(child));
- if (childComponents.length < parentComponents.length) {
- return false;
- }
- var componentEqualityComparer = ignoreCase ? ts.equateStringsCaseInsensitive : ts.equateStringsCaseSensitive;
- for (var i = 0; i < parentComponents.length; i++) {
- var equalityComparer = i === 0 ? ts.equateStringsCaseInsensitive : componentEqualityComparer;
- if (!equalityComparer(parentComponents[i], childComponents[i])) {
- return false;
- }
- }
- return true;
- }
- ts.containsPath = containsPath;
- /**
- * Determines whether `fileName` starts with the specified `directoryName` using the provided path canonicalization callback.
- * Comparison is case-sensitive between the canonical paths.
- *
- * @deprecated Use `containsPath` if possible.
- */
- function startsWithDirectory(fileName, directoryName, getCanonicalFileName) {
- var canonicalFileName = getCanonicalFileName(fileName);
- var canonicalDirectoryName = getCanonicalFileName(directoryName);
- return ts.startsWith(canonicalFileName, canonicalDirectoryName + "/") || ts.startsWith(canonicalFileName, canonicalDirectoryName + "\\");
- }
- ts.startsWithDirectory = startsWithDirectory;
- //// Relative Paths
- function getPathComponentsRelativeTo(from, to, stringEqualityComparer, getCanonicalFileName) {
- var fromComponents = reducePathComponents(getPathComponents(from));
- var toComponents = reducePathComponents(getPathComponents(to));
- var start;
- for (start = 0; start < fromComponents.length && start < toComponents.length; start++) {
- var fromComponent = getCanonicalFileName(fromComponents[start]);
- var toComponent = getCanonicalFileName(toComponents[start]);
- var comparer = start === 0 ? ts.equateStringsCaseInsensitive : stringEqualityComparer;
- if (!comparer(fromComponent, toComponent))
- break;
- }
- if (start === 0) {
- return toComponents;
- }
- var components = toComponents.slice(start);
- var relative = [];
- for (; start < fromComponents.length; start++) {
- relative.push("..");
- }
- return __spreadArrays([""], relative, components);
- }
- ts.getPathComponentsRelativeTo = getPathComponentsRelativeTo;
- function getRelativePathFromDirectory(fromDirectory, to, getCanonicalFileNameOrIgnoreCase) {
- ts.Debug.assert((getRootLength(fromDirectory) > 0) === (getRootLength(to) > 0), "Paths must either both be absolute or both be relative");
- var getCanonicalFileName = typeof getCanonicalFileNameOrIgnoreCase === "function" ? getCanonicalFileNameOrIgnoreCase : ts.identity;
- var ignoreCase = typeof getCanonicalFileNameOrIgnoreCase === "boolean" ? getCanonicalFileNameOrIgnoreCase : false;
- var pathComponents = getPathComponentsRelativeTo(fromDirectory, to, ignoreCase ? ts.equateStringsCaseInsensitive : ts.equateStringsCaseSensitive, getCanonicalFileName);
- return getPathFromPathComponents(pathComponents);
- }
- ts.getRelativePathFromDirectory = getRelativePathFromDirectory;
- function convertToRelativePath(absoluteOrRelativePath, basePath, getCanonicalFileName) {
- return !isRootedDiskPath(absoluteOrRelativePath)
- ? absoluteOrRelativePath
- : getRelativePathToDirectoryOrUrl(basePath, absoluteOrRelativePath, basePath, getCanonicalFileName, /*isAbsolutePathAnUrl*/ false);
- }
- ts.convertToRelativePath = convertToRelativePath;
- function getRelativePathFromFile(from, to, getCanonicalFileName) {
- return ensurePathIsNonModuleName(getRelativePathFromDirectory(getDirectoryPath(from), to, getCanonicalFileName));
- }
- ts.getRelativePathFromFile = getRelativePathFromFile;
- function getRelativePathToDirectoryOrUrl(directoryPathOrUrl, relativeOrAbsolutePath, currentDirectory, getCanonicalFileName, isAbsolutePathAnUrl) {
- var pathComponents = getPathComponentsRelativeTo(resolvePath(currentDirectory, directoryPathOrUrl), resolvePath(currentDirectory, relativeOrAbsolutePath), ts.equateStringsCaseSensitive, getCanonicalFileName);
- var firstComponent = pathComponents[0];
- if (isAbsolutePathAnUrl && isRootedDiskPath(firstComponent)) {
- var prefix = firstComponent.charAt(0) === ts.directorySeparator ? "file://" : "file:///";
- pathComponents[0] = prefix + firstComponent;
- }
- return getPathFromPathComponents(pathComponents);
- }
- ts.getRelativePathToDirectoryOrUrl = getRelativePathToDirectoryOrUrl;
- function forEachAncestorDirectory(directory, callback) {
- while (true) {
- var result = callback(directory);
- if (result !== undefined) {
- return result;
- }
- var parentPath = getDirectoryPath(directory);
- if (parentPath === directory) {
- return undefined;
- }
- directory = parentPath;
- }
- }
- ts.forEachAncestorDirectory = forEachAncestorDirectory;
- function isNodeModulesDirectory(dirPath) {
- return ts.endsWith(dirPath, "/node_modules");
- }
- ts.isNodeModulesDirectory = isNodeModulesDirectory;
-})(ts || (ts = {}));
-// <auto-generated />
-// generated from './diagnosticInformationMap.generated.ts' by 'src/compiler'
-/* @internal */
-var ts;
-(function (ts) {
- function diag(code, category, key, message, reportsUnnecessary, elidedInCompatabilityPyramid) {
- return { code: code, category: category, key: key, message: message, reportsUnnecessary: reportsUnnecessary, elidedInCompatabilityPyramid: elidedInCompatabilityPyramid };
- }
- ts.Diagnostics = {
- Unterminated_string_literal: diag(1002, ts.DiagnosticCategory.Error, "Unterminated_string_literal_1002", "Unterminated string literal."),
- Identifier_expected: diag(1003, ts.DiagnosticCategory.Error, "Identifier_expected_1003", "Identifier expected."),
- _0_expected: diag(1005, ts.DiagnosticCategory.Error, "_0_expected_1005", "'{0}' expected."),
- A_file_cannot_have_a_reference_to_itself: diag(1006, ts.DiagnosticCategory.Error, "A_file_cannot_have_a_reference_to_itself_1006", "A file cannot have a reference to itself."),
- The_parser_expected_to_find_a_to_match_the_token_here: diag(1007, ts.DiagnosticCategory.Error, "The_parser_expected_to_find_a_to_match_the_token_here_1007", "The parser expected to find a '}' to match the '{' token here."),
- Trailing_comma_not_allowed: diag(1009, ts.DiagnosticCategory.Error, "Trailing_comma_not_allowed_1009", "Trailing comma not allowed."),
- Asterisk_Slash_expected: diag(1010, ts.DiagnosticCategory.Error, "Asterisk_Slash_expected_1010", "'*/' expected."),
- An_element_access_expression_should_take_an_argument: diag(1011, ts.DiagnosticCategory.Error, "An_element_access_expression_should_take_an_argument_1011", "An element access expression should take an argument."),
- Unexpected_token: diag(1012, ts.DiagnosticCategory.Error, "Unexpected_token_1012", "Unexpected token."),
- A_rest_parameter_or_binding_pattern_may_not_have_a_trailing_comma: diag(1013, ts.DiagnosticCategory.Error, "A_rest_parameter_or_binding_pattern_may_not_have_a_trailing_comma_1013", "A rest parameter or binding pattern may not have a trailing comma."),
- A_rest_parameter_must_be_last_in_a_parameter_list: diag(1014, ts.DiagnosticCategory.Error, "A_rest_parameter_must_be_last_in_a_parameter_list_1014", "A rest parameter must be last in a parameter list."),
- Parameter_cannot_have_question_mark_and_initializer: diag(1015, ts.DiagnosticCategory.Error, "Parameter_cannot_have_question_mark_and_initializer_1015", "Parameter cannot have question mark and initializer."),
- A_required_parameter_cannot_follow_an_optional_parameter: diag(1016, ts.DiagnosticCategory.Error, "A_required_parameter_cannot_follow_an_optional_parameter_1016", "A required parameter cannot follow an optional parameter."),
- An_index_signature_cannot_have_a_rest_parameter: diag(1017, ts.DiagnosticCategory.Error, "An_index_signature_cannot_have_a_rest_parameter_1017", "An index signature cannot have a rest parameter."),
- An_index_signature_parameter_cannot_have_an_accessibility_modifier: diag(1018, ts.DiagnosticCategory.Error, "An_index_signature_parameter_cannot_have_an_accessibility_modifier_1018", "An index signature parameter cannot have an accessibility modifier."),
- An_index_signature_parameter_cannot_have_a_question_mark: diag(1019, ts.DiagnosticCategory.Error, "An_index_signature_parameter_cannot_have_a_question_mark_1019", "An index signature parameter cannot have a question mark."),
- An_index_signature_parameter_cannot_have_an_initializer: diag(1020, ts.DiagnosticCategory.Error, "An_index_signature_parameter_cannot_have_an_initializer_1020", "An index signature parameter cannot have an initializer."),
- An_index_signature_must_have_a_type_annotation: diag(1021, ts.DiagnosticCategory.Error, "An_index_signature_must_have_a_type_annotation_1021", "An index signature must have a type annotation."),
- An_index_signature_parameter_must_have_a_type_annotation: diag(1022, ts.DiagnosticCategory.Error, "An_index_signature_parameter_must_have_a_type_annotation_1022", "An index signature parameter must have a type annotation."),
- An_index_signature_parameter_type_must_be_either_string_or_number: diag(1023, ts.DiagnosticCategory.Error, "An_index_signature_parameter_type_must_be_either_string_or_number_1023", "An index signature parameter type must be either 'string' or 'number'."),
- readonly_modifier_can_only_appear_on_a_property_declaration_or_index_signature: diag(1024, ts.DiagnosticCategory.Error, "readonly_modifier_can_only_appear_on_a_property_declaration_or_index_signature_1024", "'readonly' modifier can only appear on a property declaration or index signature."),
- An_index_signature_cannot_have_a_trailing_comma: diag(1025, ts.DiagnosticCategory.Error, "An_index_signature_cannot_have_a_trailing_comma_1025", "An index signature cannot have a trailing comma."),
- Accessibility_modifier_already_seen: diag(1028, ts.DiagnosticCategory.Error, "Accessibility_modifier_already_seen_1028", "Accessibility modifier already seen."),
- _0_modifier_must_precede_1_modifier: diag(1029, ts.DiagnosticCategory.Error, "_0_modifier_must_precede_1_modifier_1029", "'{0}' modifier must precede '{1}' modifier."),
- _0_modifier_already_seen: diag(1030, ts.DiagnosticCategory.Error, "_0_modifier_already_seen_1030", "'{0}' modifier already seen."),
- _0_modifier_cannot_appear_on_a_class_element: diag(1031, ts.DiagnosticCategory.Error, "_0_modifier_cannot_appear_on_a_class_element_1031", "'{0}' modifier cannot appear on a class element."),
- super_must_be_followed_by_an_argument_list_or_member_access: diag(1034, ts.DiagnosticCategory.Error, "super_must_be_followed_by_an_argument_list_or_member_access_1034", "'super' must be followed by an argument list or member access."),
- Only_ambient_modules_can_use_quoted_names: diag(1035, ts.DiagnosticCategory.Error, "Only_ambient_modules_can_use_quoted_names_1035", "Only ambient modules can use quoted names."),
- Statements_are_not_allowed_in_ambient_contexts: diag(1036, ts.DiagnosticCategory.Error, "Statements_are_not_allowed_in_ambient_contexts_1036", "Statements are not allowed in ambient contexts."),
- A_declare_modifier_cannot_be_used_in_an_already_ambient_context: diag(1038, ts.DiagnosticCategory.Error, "A_declare_modifier_cannot_be_used_in_an_already_ambient_context_1038", "A 'declare' modifier cannot be used in an already ambient context."),
- Initializers_are_not_allowed_in_ambient_contexts: diag(1039, ts.DiagnosticCategory.Error, "Initializers_are_not_allowed_in_ambient_contexts_1039", "Initializers are not allowed in ambient contexts."),
- _0_modifier_cannot_be_used_in_an_ambient_context: diag(1040, ts.DiagnosticCategory.Error, "_0_modifier_cannot_be_used_in_an_ambient_context_1040", "'{0}' modifier cannot be used in an ambient context."),
- _0_modifier_cannot_be_used_with_a_class_declaration: diag(1041, ts.DiagnosticCategory.Error, "_0_modifier_cannot_be_used_with_a_class_declaration_1041", "'{0}' modifier cannot be used with a class declaration."),
- _0_modifier_cannot_be_used_here: diag(1042, ts.DiagnosticCategory.Error, "_0_modifier_cannot_be_used_here_1042", "'{0}' modifier cannot be used here."),
- _0_modifier_cannot_appear_on_a_data_property: diag(1043, ts.DiagnosticCategory.Error, "_0_modifier_cannot_appear_on_a_data_property_1043", "'{0}' modifier cannot appear on a data property."),
- _0_modifier_cannot_appear_on_a_module_or_namespace_element: diag(1044, ts.DiagnosticCategory.Error, "_0_modifier_cannot_appear_on_a_module_or_namespace_element_1044", "'{0}' modifier cannot appear on a module or namespace element."),
- A_0_modifier_cannot_be_used_with_an_interface_declaration: diag(1045, ts.DiagnosticCategory.Error, "A_0_modifier_cannot_be_used_with_an_interface_declaration_1045", "A '{0}' modifier cannot be used with an interface declaration."),
- Top_level_declarations_in_d_ts_files_must_start_with_either_a_declare_or_export_modifier: diag(1046, ts.DiagnosticCategory.Error, "Top_level_declarations_in_d_ts_files_must_start_with_either_a_declare_or_export_modifier_1046", "Top-level declarations in .d.ts files must start with either a 'declare' or 'export' modifier."),
- A_rest_parameter_cannot_be_optional: diag(1047, ts.DiagnosticCategory.Error, "A_rest_parameter_cannot_be_optional_1047", "A rest parameter cannot be optional."),
- A_rest_parameter_cannot_have_an_initializer: diag(1048, ts.DiagnosticCategory.Error, "A_rest_parameter_cannot_have_an_initializer_1048", "A rest parameter cannot have an initializer."),
- A_set_accessor_must_have_exactly_one_parameter: diag(1049, ts.DiagnosticCategory.Error, "A_set_accessor_must_have_exactly_one_parameter_1049", "A 'set' accessor must have exactly one parameter."),
- A_set_accessor_cannot_have_an_optional_parameter: diag(1051, ts.DiagnosticCategory.Error, "A_set_accessor_cannot_have_an_optional_parameter_1051", "A 'set' accessor cannot have an optional parameter."),
- A_set_accessor_parameter_cannot_have_an_initializer: diag(1052, ts.DiagnosticCategory.Error, "A_set_accessor_parameter_cannot_have_an_initializer_1052", "A 'set' accessor parameter cannot have an initializer."),
- A_set_accessor_cannot_have_rest_parameter: diag(1053, ts.DiagnosticCategory.Error, "A_set_accessor_cannot_have_rest_parameter_1053", "A 'set' accessor cannot have rest parameter."),
- A_get_accessor_cannot_have_parameters: diag(1054, ts.DiagnosticCategory.Error, "A_get_accessor_cannot_have_parameters_1054", "A 'get' accessor cannot have parameters."),
- Type_0_is_not_a_valid_async_function_return_type_in_ES5_SlashES3_because_it_does_not_refer_to_a_Promise_compatible_constructor_value: diag(1055, ts.DiagnosticCategory.Error, "Type_0_is_not_a_valid_async_function_return_type_in_ES5_SlashES3_because_it_does_not_refer_to_a_Prom_1055", "Type '{0}' is not a valid async function return type in ES5/ES3 because it does not refer to a Promise-compatible constructor value."),
- Accessors_are_only_available_when_targeting_ECMAScript_5_and_higher: diag(1056, ts.DiagnosticCategory.Error, "Accessors_are_only_available_when_targeting_ECMAScript_5_and_higher_1056", "Accessors are only available when targeting ECMAScript 5 and higher."),
- An_async_function_or_method_must_have_a_valid_awaitable_return_type: diag(1057, ts.DiagnosticCategory.Error, "An_async_function_or_method_must_have_a_valid_awaitable_return_type_1057", "An async function or method must have a valid awaitable return type."),
- The_return_type_of_an_async_function_must_either_be_a_valid_promise_or_must_not_contain_a_callable_then_member: diag(1058, ts.DiagnosticCategory.Error, "The_return_type_of_an_async_function_must_either_be_a_valid_promise_or_must_not_contain_a_callable_t_1058", "The return type of an async function must either be a valid promise or must not contain a callable 'then' member."),
- A_promise_must_have_a_then_method: diag(1059, ts.DiagnosticCategory.Error, "A_promise_must_have_a_then_method_1059", "A promise must have a 'then' method."),
- The_first_parameter_of_the_then_method_of_a_promise_must_be_a_callback: diag(1060, ts.DiagnosticCategory.Error, "The_first_parameter_of_the_then_method_of_a_promise_must_be_a_callback_1060", "The first parameter of the 'then' method of a promise must be a callback."),
- Enum_member_must_have_initializer: diag(1061, ts.DiagnosticCategory.Error, "Enum_member_must_have_initializer_1061", "Enum member must have initializer."),
- Type_is_referenced_directly_or_indirectly_in_the_fulfillment_callback_of_its_own_then_method: diag(1062, ts.DiagnosticCategory.Error, "Type_is_referenced_directly_or_indirectly_in_the_fulfillment_callback_of_its_own_then_method_1062", "Type is referenced directly or indirectly in the fulfillment callback of its own 'then' method."),
- An_export_assignment_cannot_be_used_in_a_namespace: diag(1063, ts.DiagnosticCategory.Error, "An_export_assignment_cannot_be_used_in_a_namespace_1063", "An export assignment cannot be used in a namespace."),
- The_return_type_of_an_async_function_or_method_must_be_the_global_Promise_T_type: diag(1064, ts.DiagnosticCategory.Error, "The_return_type_of_an_async_function_or_method_must_be_the_global_Promise_T_type_1064", "The return type of an async function or method must be the global Promise<T> type."),
- In_ambient_enum_declarations_member_initializer_must_be_constant_expression: diag(1066, ts.DiagnosticCategory.Error, "In_ambient_enum_declarations_member_initializer_must_be_constant_expression_1066", "In ambient enum declarations member initializer must be constant expression."),
- Unexpected_token_A_constructor_method_accessor_or_property_was_expected: diag(1068, ts.DiagnosticCategory.Error, "Unexpected_token_A_constructor_method_accessor_or_property_was_expected_1068", "Unexpected token. A constructor, method, accessor, or property was expected."),
- Unexpected_token_A_type_parameter_name_was_expected_without_curly_braces: diag(1069, ts.DiagnosticCategory.Error, "Unexpected_token_A_type_parameter_name_was_expected_without_curly_braces_1069", "Unexpected token. A type parameter name was expected without curly braces."),
- _0_modifier_cannot_appear_on_a_type_member: diag(1070, ts.DiagnosticCategory.Error, "_0_modifier_cannot_appear_on_a_type_member_1070", "'{0}' modifier cannot appear on a type member."),
- _0_modifier_cannot_appear_on_an_index_signature: diag(1071, ts.DiagnosticCategory.Error, "_0_modifier_cannot_appear_on_an_index_signature_1071", "'{0}' modifier cannot appear on an index signature."),
- A_0_modifier_cannot_be_used_with_an_import_declaration: diag(1079, ts.DiagnosticCategory.Error, "A_0_modifier_cannot_be_used_with_an_import_declaration_1079", "A '{0}' modifier cannot be used with an import declaration."),
- Invalid_reference_directive_syntax: diag(1084, ts.DiagnosticCategory.Error, "Invalid_reference_directive_syntax_1084", "Invalid 'reference' directive syntax."),
- Octal_literals_are_not_available_when_targeting_ECMAScript_5_and_higher_Use_the_syntax_0: diag(1085, ts.DiagnosticCategory.Error, "Octal_literals_are_not_available_when_targeting_ECMAScript_5_and_higher_Use_the_syntax_0_1085", "Octal literals are not available when targeting ECMAScript 5 and higher. Use the syntax '{0}'."),
- _0_modifier_cannot_appear_on_a_constructor_declaration: diag(1089, ts.DiagnosticCategory.Error, "_0_modifier_cannot_appear_on_a_constructor_declaration_1089", "'{0}' modifier cannot appear on a constructor declaration."),
- _0_modifier_cannot_appear_on_a_parameter: diag(1090, ts.DiagnosticCategory.Error, "_0_modifier_cannot_appear_on_a_parameter_1090", "'{0}' modifier cannot appear on a parameter."),
- Only_a_single_variable_declaration_is_allowed_in_a_for_in_statement: diag(1091, ts.DiagnosticCategory.Error, "Only_a_single_variable_declaration_is_allowed_in_a_for_in_statement_1091", "Only a single variable declaration is allowed in a 'for...in' statement."),
- Type_parameters_cannot_appear_on_a_constructor_declaration: diag(1092, ts.DiagnosticCategory.Error, "Type_parameters_cannot_appear_on_a_constructor_declaration_1092", "Type parameters cannot appear on a constructor declaration."),
- Type_annotation_cannot_appear_on_a_constructor_declaration: diag(1093, ts.DiagnosticCategory.Error, "Type_annotation_cannot_appear_on_a_constructor_declaration_1093", "Type annotation cannot appear on a constructor declaration."),
- An_accessor_cannot_have_type_parameters: diag(1094, ts.DiagnosticCategory.Error, "An_accessor_cannot_have_type_parameters_1094", "An accessor cannot have type parameters."),
- A_set_accessor_cannot_have_a_return_type_annotation: diag(1095, ts.DiagnosticCategory.Error, "A_set_accessor_cannot_have_a_return_type_annotation_1095", "A 'set' accessor cannot have a return type annotation."),
- An_index_signature_must_have_exactly_one_parameter: diag(1096, ts.DiagnosticCategory.Error, "An_index_signature_must_have_exactly_one_parameter_1096", "An index signature must have exactly one parameter."),
- _0_list_cannot_be_empty: diag(1097, ts.DiagnosticCategory.Error, "_0_list_cannot_be_empty_1097", "'{0}' list cannot be empty."),
- Type_parameter_list_cannot_be_empty: diag(1098, ts.DiagnosticCategory.Error, "Type_parameter_list_cannot_be_empty_1098", "Type parameter list cannot be empty."),
- Type_argument_list_cannot_be_empty: diag(1099, ts.DiagnosticCategory.Error, "Type_argument_list_cannot_be_empty_1099", "Type argument list cannot be empty."),
- Invalid_use_of_0_in_strict_mode: diag(1100, ts.DiagnosticCategory.Error, "Invalid_use_of_0_in_strict_mode_1100", "Invalid use of '{0}' in strict mode."),
- with_statements_are_not_allowed_in_strict_mode: diag(1101, ts.DiagnosticCategory.Error, "with_statements_are_not_allowed_in_strict_mode_1101", "'with' statements are not allowed in strict mode."),
- delete_cannot_be_called_on_an_identifier_in_strict_mode: diag(1102, ts.DiagnosticCategory.Error, "delete_cannot_be_called_on_an_identifier_in_strict_mode_1102", "'delete' cannot be called on an identifier in strict mode."),
- A_for_await_of_statement_is_only_allowed_within_an_async_function_or_async_generator: diag(1103, ts.DiagnosticCategory.Error, "A_for_await_of_statement_is_only_allowed_within_an_async_function_or_async_generator_1103", "A 'for-await-of' statement is only allowed within an async function or async generator."),
- A_continue_statement_can_only_be_used_within_an_enclosing_iteration_statement: diag(1104, ts.DiagnosticCategory.Error, "A_continue_statement_can_only_be_used_within_an_enclosing_iteration_statement_1104", "A 'continue' statement can only be used within an enclosing iteration statement."),
- A_break_statement_can_only_be_used_within_an_enclosing_iteration_or_switch_statement: diag(1105, ts.DiagnosticCategory.Error, "A_break_statement_can_only_be_used_within_an_enclosing_iteration_or_switch_statement_1105", "A 'break' statement can only be used within an enclosing iteration or switch statement."),
- Jump_target_cannot_cross_function_boundary: diag(1107, ts.DiagnosticCategory.Error, "Jump_target_cannot_cross_function_boundary_1107", "Jump target cannot cross function boundary."),
- A_return_statement_can_only_be_used_within_a_function_body: diag(1108, ts.DiagnosticCategory.Error, "A_return_statement_can_only_be_used_within_a_function_body_1108", "A 'return' statement can only be used within a function body."),
- Expression_expected: diag(1109, ts.DiagnosticCategory.Error, "Expression_expected_1109", "Expression expected."),
- Type_expected: diag(1110, ts.DiagnosticCategory.Error, "Type_expected_1110", "Type expected."),
- A_default_clause_cannot_appear_more_than_once_in_a_switch_statement: diag(1113, ts.DiagnosticCategory.Error, "A_default_clause_cannot_appear_more_than_once_in_a_switch_statement_1113", "A 'default' clause cannot appear more than once in a 'switch' statement."),
- Duplicate_label_0: diag(1114, ts.DiagnosticCategory.Error, "Duplicate_label_0_1114", "Duplicate label '{0}'."),
- A_continue_statement_can_only_jump_to_a_label_of_an_enclosing_iteration_statement: diag(1115, ts.DiagnosticCategory.Error, "A_continue_statement_can_only_jump_to_a_label_of_an_enclosing_iteration_statement_1115", "A 'continue' statement can only jump to a label of an enclosing iteration statement."),
- A_break_statement_can_only_jump_to_a_label_of_an_enclosing_statement: diag(1116, ts.DiagnosticCategory.Error, "A_break_statement_can_only_jump_to_a_label_of_an_enclosing_statement_1116", "A 'break' statement can only jump to a label of an enclosing statement."),
- An_object_literal_cannot_have_multiple_properties_with_the_same_name_in_strict_mode: diag(1117, ts.DiagnosticCategory.Error, "An_object_literal_cannot_have_multiple_properties_with_the_same_name_in_strict_mode_1117", "An object literal cannot have multiple properties with the same name in strict mode."),
- An_object_literal_cannot_have_multiple_get_Slashset_accessors_with_the_same_name: diag(1118, ts.DiagnosticCategory.Error, "An_object_literal_cannot_have_multiple_get_Slashset_accessors_with_the_same_name_1118", "An object literal cannot have multiple get/set accessors with the same name."),
- An_object_literal_cannot_have_property_and_accessor_with_the_same_name: diag(1119, ts.DiagnosticCategory.Error, "An_object_literal_cannot_have_property_and_accessor_with_the_same_name_1119", "An object literal cannot have property and accessor with the same name."),
- An_export_assignment_cannot_have_modifiers: diag(1120, ts.DiagnosticCategory.Error, "An_export_assignment_cannot_have_modifiers_1120", "An export assignment cannot have modifiers."),
- Octal_literals_are_not_allowed_in_strict_mode: diag(1121, ts.DiagnosticCategory.Error, "Octal_literals_are_not_allowed_in_strict_mode_1121", "Octal literals are not allowed in strict mode."),
- Variable_declaration_list_cannot_be_empty: diag(1123, ts.DiagnosticCategory.Error, "Variable_declaration_list_cannot_be_empty_1123", "Variable declaration list cannot be empty."),
- Digit_expected: diag(1124, ts.DiagnosticCategory.Error, "Digit_expected_1124", "Digit expected."),
- Hexadecimal_digit_expected: diag(1125, ts.DiagnosticCategory.Error, "Hexadecimal_digit_expected_1125", "Hexadecimal digit expected."),
- Unexpected_end_of_text: diag(1126, ts.DiagnosticCategory.Error, "Unexpected_end_of_text_1126", "Unexpected end of text."),
- Invalid_character: diag(1127, ts.DiagnosticCategory.Error, "Invalid_character_1127", "Invalid character."),
- Declaration_or_statement_expected: diag(1128, ts.DiagnosticCategory.Error, "Declaration_or_statement_expected_1128", "Declaration or statement expected."),
- Statement_expected: diag(1129, ts.DiagnosticCategory.Error, "Statement_expected_1129", "Statement expected."),
- case_or_default_expected: diag(1130, ts.DiagnosticCategory.Error, "case_or_default_expected_1130", "'case' or 'default' expected."),
- Property_or_signature_expected: diag(1131, ts.DiagnosticCategory.Error, "Property_or_signature_expected_1131", "Property or signature expected."),
- Enum_member_expected: diag(1132, ts.DiagnosticCategory.Error, "Enum_member_expected_1132", "Enum member expected."),
- Variable_declaration_expected: diag(1134, ts.DiagnosticCategory.Error, "Variable_declaration_expected_1134", "Variable declaration expected."),
- Argument_expression_expected: diag(1135, ts.DiagnosticCategory.Error, "Argument_expression_expected_1135", "Argument expression expected."),
- Property_assignment_expected: diag(1136, ts.DiagnosticCategory.Error, "Property_assignment_expected_1136", "Property assignment expected."),
- Expression_or_comma_expected: diag(1137, ts.DiagnosticCategory.Error, "Expression_or_comma_expected_1137", "Expression or comma expected."),
- Parameter_declaration_expected: diag(1138, ts.DiagnosticCategory.Error, "Parameter_declaration_expected_1138", "Parameter declaration expected."),
- Type_parameter_declaration_expected: diag(1139, ts.DiagnosticCategory.Error, "Type_parameter_declaration_expected_1139", "Type parameter declaration expected."),
- Type_argument_expected: diag(1140, ts.DiagnosticCategory.Error, "Type_argument_expected_1140", "Type argument expected."),
- String_literal_expected: diag(1141, ts.DiagnosticCategory.Error, "String_literal_expected_1141", "String literal expected."),
- Line_break_not_permitted_here: diag(1142, ts.DiagnosticCategory.Error, "Line_break_not_permitted_here_1142", "Line break not permitted here."),
- or_expected: diag(1144, ts.DiagnosticCategory.Error, "or_expected_1144", "'{' or ';' expected."),
- Declaration_expected: diag(1146, ts.DiagnosticCategory.Error, "Declaration_expected_1146", "Declaration expected."),
- Import_declarations_in_a_namespace_cannot_reference_a_module: diag(1147, ts.DiagnosticCategory.Error, "Import_declarations_in_a_namespace_cannot_reference_a_module_1147", "Import declarations in a namespace cannot reference a module."),
- Cannot_use_imports_exports_or_module_augmentations_when_module_is_none: diag(1148, ts.DiagnosticCategory.Error, "Cannot_use_imports_exports_or_module_augmentations_when_module_is_none_1148", "Cannot use imports, exports, or module augmentations when '--module' is 'none'."),
- File_name_0_differs_from_already_included_file_name_1_only_in_casing: diag(1149, ts.DiagnosticCategory.Error, "File_name_0_differs_from_already_included_file_name_1_only_in_casing_1149", "File name '{0}' differs from already included file name '{1}' only in casing."),
- const_declarations_must_be_initialized: diag(1155, ts.DiagnosticCategory.Error, "const_declarations_must_be_initialized_1155", "'const' declarations must be initialized."),
- const_declarations_can_only_be_declared_inside_a_block: diag(1156, ts.DiagnosticCategory.Error, "const_declarations_can_only_be_declared_inside_a_block_1156", "'const' declarations can only be declared inside a block."),
- let_declarations_can_only_be_declared_inside_a_block: diag(1157, ts.DiagnosticCategory.Error, "let_declarations_can_only_be_declared_inside_a_block_1157", "'let' declarations can only be declared inside a block."),
- Unterminated_template_literal: diag(1160, ts.DiagnosticCategory.Error, "Unterminated_template_literal_1160", "Unterminated template literal."),
- Unterminated_regular_expression_literal: diag(1161, ts.DiagnosticCategory.Error, "Unterminated_regular_expression_literal_1161", "Unterminated regular expression literal."),
- An_object_member_cannot_be_declared_optional: diag(1162, ts.DiagnosticCategory.Error, "An_object_member_cannot_be_declared_optional_1162", "An object member cannot be declared optional."),
- A_yield_expression_is_only_allowed_in_a_generator_body: diag(1163, ts.DiagnosticCategory.Error, "A_yield_expression_is_only_allowed_in_a_generator_body_1163", "A 'yield' expression is only allowed in a generator body."),
- Computed_property_names_are_not_allowed_in_enums: diag(1164, ts.DiagnosticCategory.Error, "Computed_property_names_are_not_allowed_in_enums_1164", "Computed property names are not allowed in enums."),
- A_computed_property_name_in_an_ambient_context_must_refer_to_an_expression_whose_type_is_a_literal_type_or_a_unique_symbol_type: diag(1165, ts.DiagnosticCategory.Error, "A_computed_property_name_in_an_ambient_context_must_refer_to_an_expression_whose_type_is_a_literal_t_1165", "A computed property name in an ambient context must refer to an expression whose type is a literal type or a 'unique symbol' type."),
- A_computed_property_name_in_a_class_property_declaration_must_refer_to_an_expression_whose_type_is_a_literal_type_or_a_unique_symbol_type: diag(1166, ts.DiagnosticCategory.Error, "A_computed_property_name_in_a_class_property_declaration_must_refer_to_an_expression_whose_type_is_a_1166", "A computed property name in a class property declaration must refer to an expression whose type is a literal type or a 'unique symbol' type."),
- A_computed_property_name_in_a_method_overload_must_refer_to_an_expression_whose_type_is_a_literal_type_or_a_unique_symbol_type: diag(1168, ts.DiagnosticCategory.Error, "A_computed_property_name_in_a_method_overload_must_refer_to_an_expression_whose_type_is_a_literal_ty_1168", "A computed property name in a method overload must refer to an expression whose type is a literal type or a 'unique symbol' type."),
- A_computed_property_name_in_an_interface_must_refer_to_an_expression_whose_type_is_a_literal_type_or_a_unique_symbol_type: diag(1169, ts.DiagnosticCategory.Error, "A_computed_property_name_in_an_interface_must_refer_to_an_expression_whose_type_is_a_literal_type_or_1169", "A computed property name in an interface must refer to an expression whose type is a literal type or a 'unique symbol' type."),
- A_computed_property_name_in_a_type_literal_must_refer_to_an_expression_whose_type_is_a_literal_type_or_a_unique_symbol_type: diag(1170, ts.DiagnosticCategory.Error, "A_computed_property_name_in_a_type_literal_must_refer_to_an_expression_whose_type_is_a_literal_type__1170", "A computed property name in a type literal must refer to an expression whose type is a literal type or a 'unique symbol' type."),
- A_comma_expression_is_not_allowed_in_a_computed_property_name: diag(1171, ts.DiagnosticCategory.Error, "A_comma_expression_is_not_allowed_in_a_computed_property_name_1171", "A comma expression is not allowed in a computed property name."),
- extends_clause_already_seen: diag(1172, ts.DiagnosticCategory.Error, "extends_clause_already_seen_1172", "'extends' clause already seen."),
- extends_clause_must_precede_implements_clause: diag(1173, ts.DiagnosticCategory.Error, "extends_clause_must_precede_implements_clause_1173", "'extends' clause must precede 'implements' clause."),
- Classes_can_only_extend_a_single_class: diag(1174, ts.DiagnosticCategory.Error, "Classes_can_only_extend_a_single_class_1174", "Classes can only extend a single class."),
- implements_clause_already_seen: diag(1175, ts.DiagnosticCategory.Error, "implements_clause_already_seen_1175", "'implements' clause already seen."),
- Interface_declaration_cannot_have_implements_clause: diag(1176, ts.DiagnosticCategory.Error, "Interface_declaration_cannot_have_implements_clause_1176", "Interface declaration cannot have 'implements' clause."),
- Binary_digit_expected: diag(1177, ts.DiagnosticCategory.Error, "Binary_digit_expected_1177", "Binary digit expected."),
- Octal_digit_expected: diag(1178, ts.DiagnosticCategory.Error, "Octal_digit_expected_1178", "Octal digit expected."),
- Unexpected_token_expected: diag(1179, ts.DiagnosticCategory.Error, "Unexpected_token_expected_1179", "Unexpected token. '{' expected."),
- Property_destructuring_pattern_expected: diag(1180, ts.DiagnosticCategory.Error, "Property_destructuring_pattern_expected_1180", "Property destructuring pattern expected."),
- Array_element_destructuring_pattern_expected: diag(1181, ts.DiagnosticCategory.Error, "Array_element_destructuring_pattern_expected_1181", "Array element destructuring pattern expected."),
- A_destructuring_declaration_must_have_an_initializer: diag(1182, ts.DiagnosticCategory.Error, "A_destructuring_declaration_must_have_an_initializer_1182", "A destructuring declaration must have an initializer."),
- An_implementation_cannot_be_declared_in_ambient_contexts: diag(1183, ts.DiagnosticCategory.Error, "An_implementation_cannot_be_declared_in_ambient_contexts_1183", "An implementation cannot be declared in ambient contexts."),
- Modifiers_cannot_appear_here: diag(1184, ts.DiagnosticCategory.Error, "Modifiers_cannot_appear_here_1184", "Modifiers cannot appear here."),
- Merge_conflict_marker_encountered: diag(1185, ts.DiagnosticCategory.Error, "Merge_conflict_marker_encountered_1185", "Merge conflict marker encountered."),
- A_rest_element_cannot_have_an_initializer: diag(1186, ts.DiagnosticCategory.Error, "A_rest_element_cannot_have_an_initializer_1186", "A rest element cannot have an initializer."),
- A_parameter_property_may_not_be_declared_using_a_binding_pattern: diag(1187, ts.DiagnosticCategory.Error, "A_parameter_property_may_not_be_declared_using_a_binding_pattern_1187", "A parameter property may not be declared using a binding pattern."),
- Only_a_single_variable_declaration_is_allowed_in_a_for_of_statement: diag(1188, ts.DiagnosticCategory.Error, "Only_a_single_variable_declaration_is_allowed_in_a_for_of_statement_1188", "Only a single variable declaration is allowed in a 'for...of' statement."),
- The_variable_declaration_of_a_for_in_statement_cannot_have_an_initializer: diag(1189, ts.DiagnosticCategory.Error, "The_variable_declaration_of_a_for_in_statement_cannot_have_an_initializer_1189", "The variable declaration of a 'for...in' statement cannot have an initializer."),
- The_variable_declaration_of_a_for_of_statement_cannot_have_an_initializer: diag(1190, ts.DiagnosticCategory.Error, "The_variable_declaration_of_a_for_of_statement_cannot_have_an_initializer_1190", "The variable declaration of a 'for...of' statement cannot have an initializer."),
- An_import_declaration_cannot_have_modifiers: diag(1191, ts.DiagnosticCategory.Error, "An_import_declaration_cannot_have_modifiers_1191", "An import declaration cannot have modifiers."),
- Module_0_has_no_default_export: diag(1192, ts.DiagnosticCategory.Error, "Module_0_has_no_default_export_1192", "Module '{0}' has no default export."),
- An_export_declaration_cannot_have_modifiers: diag(1193, ts.DiagnosticCategory.Error, "An_export_declaration_cannot_have_modifiers_1193", "An export declaration cannot have modifiers."),
- Export_declarations_are_not_permitted_in_a_namespace: diag(1194, ts.DiagnosticCategory.Error, "Export_declarations_are_not_permitted_in_a_namespace_1194", "Export declarations are not permitted in a namespace."),
- export_Asterisk_does_not_re_export_a_default: diag(1195, ts.DiagnosticCategory.Error, "export_Asterisk_does_not_re_export_a_default_1195", "'export *' does not re-export a default."),
- Catch_clause_variable_cannot_have_a_type_annotation: diag(1196, ts.DiagnosticCategory.Error, "Catch_clause_variable_cannot_have_a_type_annotation_1196", "Catch clause variable cannot have a type annotation."),
- Catch_clause_variable_cannot_have_an_initializer: diag(1197, ts.DiagnosticCategory.Error, "Catch_clause_variable_cannot_have_an_initializer_1197", "Catch clause variable cannot have an initializer."),
- An_extended_Unicode_escape_value_must_be_between_0x0_and_0x10FFFF_inclusive: diag(1198, ts.DiagnosticCategory.Error, "An_extended_Unicode_escape_value_must_be_between_0x0_and_0x10FFFF_inclusive_1198", "An extended Unicode escape value must be between 0x0 and 0x10FFFF inclusive."),
- Unterminated_Unicode_escape_sequence: diag(1199, ts.DiagnosticCategory.Error, "Unterminated_Unicode_escape_sequence_1199", "Unterminated Unicode escape sequence."),
- Line_terminator_not_permitted_before_arrow: diag(1200, ts.DiagnosticCategory.Error, "Line_terminator_not_permitted_before_arrow_1200", "Line terminator not permitted before arrow."),
- Import_assignment_cannot_be_used_when_targeting_ECMAScript_modules_Consider_using_import_Asterisk_as_ns_from_mod_import_a_from_mod_import_d_from_mod_or_another_module_format_instead: diag(1202, ts.DiagnosticCategory.Error, "Import_assignment_cannot_be_used_when_targeting_ECMAScript_modules_Consider_using_import_Asterisk_as_1202", "Import assignment cannot be used when targeting ECMAScript modules. Consider using 'import * as ns from \"mod\"', 'import {a} from \"mod\"', 'import d from \"mod\"', or another module format instead."),
- Export_assignment_cannot_be_used_when_targeting_ECMAScript_modules_Consider_using_export_default_or_another_module_format_instead: diag(1203, ts.DiagnosticCategory.Error, "Export_assignment_cannot_be_used_when_targeting_ECMAScript_modules_Consider_using_export_default_or__1203", "Export assignment cannot be used when targeting ECMAScript modules. Consider using 'export default' or another module format instead."),
- Re_exporting_a_type_when_the_isolatedModules_flag_is_provided_requires_using_export_type: diag(1205, ts.DiagnosticCategory.Error, "Re_exporting_a_type_when_the_isolatedModules_flag_is_provided_requires_using_export_type_1205", "Re-exporting a type when the '--isolatedModules' flag is provided requires using 'export type'."),
- Decorators_are_not_valid_here: diag(1206, ts.DiagnosticCategory.Error, "Decorators_are_not_valid_here_1206", "Decorators are not valid here."),
- Decorators_cannot_be_applied_to_multiple_get_Slashset_accessors_of_the_same_name: diag(1207, ts.DiagnosticCategory.Error, "Decorators_cannot_be_applied_to_multiple_get_Slashset_accessors_of_the_same_name_1207", "Decorators cannot be applied to multiple get/set accessors of the same name."),
- All_files_must_be_modules_when_the_isolatedModules_flag_is_provided: diag(1208, ts.DiagnosticCategory.Error, "All_files_must_be_modules_when_the_isolatedModules_flag_is_provided_1208", "All files must be modules when the '--isolatedModules' flag is provided."),
- Invalid_use_of_0_Class_definitions_are_automatically_in_strict_mode: diag(1210, ts.DiagnosticCategory.Error, "Invalid_use_of_0_Class_definitions_are_automatically_in_strict_mode_1210", "Invalid use of '{0}'. Class definitions are automatically in strict mode."),
- A_class_declaration_without_the_default_modifier_must_have_a_name: diag(1211, ts.DiagnosticCategory.Error, "A_class_declaration_without_the_default_modifier_must_have_a_name_1211", "A class declaration without the 'default' modifier must have a name."),
- Identifier_expected_0_is_a_reserved_word_in_strict_mode: diag(1212, ts.DiagnosticCategory.Error, "Identifier_expected_0_is_a_reserved_word_in_strict_mode_1212", "Identifier expected. '{0}' is a reserved word in strict mode."),
- Identifier_expected_0_is_a_reserved_word_in_strict_mode_Class_definitions_are_automatically_in_strict_mode: diag(1213, ts.DiagnosticCategory.Error, "Identifier_expected_0_is_a_reserved_word_in_strict_mode_Class_definitions_are_automatically_in_stric_1213", "Identifier expected. '{0}' is a reserved word in strict mode. Class definitions are automatically in strict mode."),
- Identifier_expected_0_is_a_reserved_word_in_strict_mode_Modules_are_automatically_in_strict_mode: diag(1214, ts.DiagnosticCategory.Error, "Identifier_expected_0_is_a_reserved_word_in_strict_mode_Modules_are_automatically_in_strict_mode_1214", "Identifier expected. '{0}' is a reserved word in strict mode. Modules are automatically in strict mode."),
- Invalid_use_of_0_Modules_are_automatically_in_strict_mode: diag(1215, ts.DiagnosticCategory.Error, "Invalid_use_of_0_Modules_are_automatically_in_strict_mode_1215", "Invalid use of '{0}'. Modules are automatically in strict mode."),
- Identifier_expected_esModule_is_reserved_as_an_exported_marker_when_transforming_ECMAScript_modules: diag(1216, ts.DiagnosticCategory.Error, "Identifier_expected_esModule_is_reserved_as_an_exported_marker_when_transforming_ECMAScript_modules_1216", "Identifier expected. '__esModule' is reserved as an exported marker when transforming ECMAScript modules."),
- Export_assignment_is_not_supported_when_module_flag_is_system: diag(1218, ts.DiagnosticCategory.Error, "Export_assignment_is_not_supported_when_module_flag_is_system_1218", "Export assignment is not supported when '--module' flag is 'system'."),
- Experimental_support_for_decorators_is_a_feature_that_is_subject_to_change_in_a_future_release_Set_the_experimentalDecorators_option_in_your_tsconfig_or_jsconfig_to_remove_this_warning: diag(1219, ts.DiagnosticCategory.Error, "Experimental_support_for_decorators_is_a_feature_that_is_subject_to_change_in_a_future_release_Set_t_1219", "Experimental support for decorators is a feature that is subject to change in a future release. Set the 'experimentalDecorators' option in your 'tsconfig' or 'jsconfig' to remove this warning."),
- Generators_are_only_available_when_targeting_ECMAScript_2015_or_higher: diag(1220, ts.DiagnosticCategory.Error, "Generators_are_only_available_when_targeting_ECMAScript_2015_or_higher_1220", "Generators are only available when targeting ECMAScript 2015 or higher."),
- Generators_are_not_allowed_in_an_ambient_context: diag(1221, ts.DiagnosticCategory.Error, "Generators_are_not_allowed_in_an_ambient_context_1221", "Generators are not allowed in an ambient context."),
- An_overload_signature_cannot_be_declared_as_a_generator: diag(1222, ts.DiagnosticCategory.Error, "An_overload_signature_cannot_be_declared_as_a_generator_1222", "An overload signature cannot be declared as a generator."),
- _0_tag_already_specified: diag(1223, ts.DiagnosticCategory.Error, "_0_tag_already_specified_1223", "'{0}' tag already specified."),
- Signature_0_must_be_a_type_predicate: diag(1224, ts.DiagnosticCategory.Error, "Signature_0_must_be_a_type_predicate_1224", "Signature '{0}' must be a type predicate."),
- Cannot_find_parameter_0: diag(1225, ts.DiagnosticCategory.Error, "Cannot_find_parameter_0_1225", "Cannot find parameter '{0}'."),
- Type_predicate_0_is_not_assignable_to_1: diag(1226, ts.DiagnosticCategory.Error, "Type_predicate_0_is_not_assignable_to_1_1226", "Type predicate '{0}' is not assignable to '{1}'."),
- Parameter_0_is_not_in_the_same_position_as_parameter_1: diag(1227, ts.DiagnosticCategory.Error, "Parameter_0_is_not_in_the_same_position_as_parameter_1_1227", "Parameter '{0}' is not in the same position as parameter '{1}'."),
- A_type_predicate_is_only_allowed_in_return_type_position_for_functions_and_methods: diag(1228, ts.DiagnosticCategory.Error, "A_type_predicate_is_only_allowed_in_return_type_position_for_functions_and_methods_1228", "A type predicate is only allowed in return type position for functions and methods."),
- A_type_predicate_cannot_reference_a_rest_parameter: diag(1229, ts.DiagnosticCategory.Error, "A_type_predicate_cannot_reference_a_rest_parameter_1229", "A type predicate cannot reference a rest parameter."),
- A_type_predicate_cannot_reference_element_0_in_a_binding_pattern: diag(1230, ts.DiagnosticCategory.Error, "A_type_predicate_cannot_reference_element_0_in_a_binding_pattern_1230", "A type predicate cannot reference element '{0}' in a binding pattern."),
- An_export_assignment_can_only_be_used_in_a_module: diag(1231, ts.DiagnosticCategory.Error, "An_export_assignment_can_only_be_used_in_a_module_1231", "An export assignment can only be used in a module."),
- An_import_declaration_can_only_be_used_in_a_namespace_or_module: diag(1232, ts.DiagnosticCategory.Error, "An_import_declaration_can_only_be_used_in_a_namespace_or_module_1232", "An import declaration can only be used in a namespace or module."),
- An_export_declaration_can_only_be_used_in_a_module: diag(1233, ts.DiagnosticCategory.Error, "An_export_declaration_can_only_be_used_in_a_module_1233", "An export declaration can only be used in a module."),
- An_ambient_module_declaration_is_only_allowed_at_the_top_level_in_a_file: diag(1234, ts.DiagnosticCategory.Error, "An_ambient_module_declaration_is_only_allowed_at_the_top_level_in_a_file_1234", "An ambient module declaration is only allowed at the top level in a file."),
- A_namespace_declaration_is_only_allowed_in_a_namespace_or_module: diag(1235, ts.DiagnosticCategory.Error, "A_namespace_declaration_is_only_allowed_in_a_namespace_or_module_1235", "A namespace declaration is only allowed in a namespace or module."),
- The_return_type_of_a_property_decorator_function_must_be_either_void_or_any: diag(1236, ts.DiagnosticCategory.Error, "The_return_type_of_a_property_decorator_function_must_be_either_void_or_any_1236", "The return type of a property decorator function must be either 'void' or 'any'."),
- The_return_type_of_a_parameter_decorator_function_must_be_either_void_or_any: diag(1237, ts.DiagnosticCategory.Error, "The_return_type_of_a_parameter_decorator_function_must_be_either_void_or_any_1237", "The return type of a parameter decorator function must be either 'void' or 'any'."),
- Unable_to_resolve_signature_of_class_decorator_when_called_as_an_expression: diag(1238, ts.DiagnosticCategory.Error, "Unable_to_resolve_signature_of_class_decorator_when_called_as_an_expression_1238", "Unable to resolve signature of class decorator when called as an expression."),
- Unable_to_resolve_signature_of_parameter_decorator_when_called_as_an_expression: diag(1239, ts.DiagnosticCategory.Error, "Unable_to_resolve_signature_of_parameter_decorator_when_called_as_an_expression_1239", "Unable to resolve signature of parameter decorator when called as an expression."),
- Unable_to_resolve_signature_of_property_decorator_when_called_as_an_expression: diag(1240, ts.DiagnosticCategory.Error, "Unable_to_resolve_signature_of_property_decorator_when_called_as_an_expression_1240", "Unable to resolve signature of property decorator when called as an expression."),
- Unable_to_resolve_signature_of_method_decorator_when_called_as_an_expression: diag(1241, ts.DiagnosticCategory.Error, "Unable_to_resolve_signature_of_method_decorator_when_called_as_an_expression_1241", "Unable to resolve signature of method decorator when called as an expression."),
- abstract_modifier_can_only_appear_on_a_class_method_or_property_declaration: diag(1242, ts.DiagnosticCategory.Error, "abstract_modifier_can_only_appear_on_a_class_method_or_property_declaration_1242", "'abstract' modifier can only appear on a class, method, or property declaration."),
- _0_modifier_cannot_be_used_with_1_modifier: diag(1243, ts.DiagnosticCategory.Error, "_0_modifier_cannot_be_used_with_1_modifier_1243", "'{0}' modifier cannot be used with '{1}' modifier."),
- Abstract_methods_can_only_appear_within_an_abstract_class: diag(1244, ts.DiagnosticCategory.Error, "Abstract_methods_can_only_appear_within_an_abstract_class_1244", "Abstract methods can only appear within an abstract class."),
- Method_0_cannot_have_an_implementation_because_it_is_marked_abstract: diag(1245, ts.DiagnosticCategory.Error, "Method_0_cannot_have_an_implementation_because_it_is_marked_abstract_1245", "Method '{0}' cannot have an implementation because it is marked abstract."),
- An_interface_property_cannot_have_an_initializer: diag(1246, ts.DiagnosticCategory.Error, "An_interface_property_cannot_have_an_initializer_1246", "An interface property cannot have an initializer."),
- A_type_literal_property_cannot_have_an_initializer: diag(1247, ts.DiagnosticCategory.Error, "A_type_literal_property_cannot_have_an_initializer_1247", "A type literal property cannot have an initializer."),
- A_class_member_cannot_have_the_0_keyword: diag(1248, ts.DiagnosticCategory.Error, "A_class_member_cannot_have_the_0_keyword_1248", "A class member cannot have the '{0}' keyword."),
- A_decorator_can_only_decorate_a_method_implementation_not_an_overload: diag(1249, ts.DiagnosticCategory.Error, "A_decorator_can_only_decorate_a_method_implementation_not_an_overload_1249", "A decorator can only decorate a method implementation, not an overload."),
- Function_declarations_are_not_allowed_inside_blocks_in_strict_mode_when_targeting_ES3_or_ES5: diag(1250, ts.DiagnosticCategory.Error, "Function_declarations_are_not_allowed_inside_blocks_in_strict_mode_when_targeting_ES3_or_ES5_1250", "Function declarations are not allowed inside blocks in strict mode when targeting 'ES3' or 'ES5'."),
- Function_declarations_are_not_allowed_inside_blocks_in_strict_mode_when_targeting_ES3_or_ES5_Class_definitions_are_automatically_in_strict_mode: diag(1251, ts.DiagnosticCategory.Error, "Function_declarations_are_not_allowed_inside_blocks_in_strict_mode_when_targeting_ES3_or_ES5_Class_d_1251", "Function declarations are not allowed inside blocks in strict mode when targeting 'ES3' or 'ES5'. Class definitions are automatically in strict mode."),
- Function_declarations_are_not_allowed_inside_blocks_in_strict_mode_when_targeting_ES3_or_ES5_Modules_are_automatically_in_strict_mode: diag(1252, ts.DiagnosticCategory.Error, "Function_declarations_are_not_allowed_inside_blocks_in_strict_mode_when_targeting_ES3_or_ES5_Modules_1252", "Function declarations are not allowed inside blocks in strict mode when targeting 'ES3' or 'ES5'. Modules are automatically in strict mode."),
- _0_tag_cannot_be_used_independently_as_a_top_level_JSDoc_tag: diag(1253, ts.DiagnosticCategory.Error, "_0_tag_cannot_be_used_independently_as_a_top_level_JSDoc_tag_1253", "'{0}' tag cannot be used independently as a top level JSDoc tag."),
- A_const_initializer_in_an_ambient_context_must_be_a_string_or_numeric_literal_or_literal_enum_reference: diag(1254, ts.DiagnosticCategory.Error, "A_const_initializer_in_an_ambient_context_must_be_a_string_or_numeric_literal_or_literal_enum_refere_1254", "A 'const' initializer in an ambient context must be a string or numeric literal or literal enum reference."),
- A_definite_assignment_assertion_is_not_permitted_in_this_context: diag(1255, ts.DiagnosticCategory.Error, "A_definite_assignment_assertion_is_not_permitted_in_this_context_1255", "A definite assignment assertion '!' is not permitted in this context."),
- A_rest_element_must_be_last_in_a_tuple_type: diag(1256, ts.DiagnosticCategory.Error, "A_rest_element_must_be_last_in_a_tuple_type_1256", "A rest element must be last in a tuple type."),
- A_required_element_cannot_follow_an_optional_element: diag(1257, ts.DiagnosticCategory.Error, "A_required_element_cannot_follow_an_optional_element_1257", "A required element cannot follow an optional element."),
- Definite_assignment_assertions_can_only_be_used_along_with_a_type_annotation: diag(1258, ts.DiagnosticCategory.Error, "Definite_assignment_assertions_can_only_be_used_along_with_a_type_annotation_1258", "Definite assignment assertions can only be used along with a type annotation."),
- Module_0_can_only_be_default_imported_using_the_1_flag: diag(1259, ts.DiagnosticCategory.Error, "Module_0_can_only_be_default_imported_using_the_1_flag_1259", "Module '{0}' can only be default-imported using the '{1}' flag"),
- Keywords_cannot_contain_escape_characters: diag(1260, ts.DiagnosticCategory.Error, "Keywords_cannot_contain_escape_characters_1260", "Keywords cannot contain escape characters."),
- Already_included_file_name_0_differs_from_file_name_1_only_in_casing: diag(1261, ts.DiagnosticCategory.Error, "Already_included_file_name_0_differs_from_file_name_1_only_in_casing_1261", "Already included file name '{0}' differs from file name '{1}' only in casing."),
- with_statements_are_not_allowed_in_an_async_function_block: diag(1300, ts.DiagnosticCategory.Error, "with_statements_are_not_allowed_in_an_async_function_block_1300", "'with' statements are not allowed in an async function block."),
- await_expressions_are_only_allowed_within_async_functions_and_at_the_top_levels_of_modules: diag(1308, ts.DiagnosticCategory.Error, "await_expressions_are_only_allowed_within_async_functions_and_at_the_top_levels_of_modules_1308", "'await' expressions are only allowed within async functions and at the top levels of modules."),
- can_only_be_used_in_an_object_literal_property_inside_a_destructuring_assignment: diag(1312, ts.DiagnosticCategory.Error, "can_only_be_used_in_an_object_literal_property_inside_a_destructuring_assignment_1312", "'=' can only be used in an object literal property inside a destructuring assignment."),
- The_body_of_an_if_statement_cannot_be_the_empty_statement: diag(1313, ts.DiagnosticCategory.Error, "The_body_of_an_if_statement_cannot_be_the_empty_statement_1313", "The body of an 'if' statement cannot be the empty statement."),
- Global_module_exports_may_only_appear_in_module_files: diag(1314, ts.DiagnosticCategory.Error, "Global_module_exports_may_only_appear_in_module_files_1314", "Global module exports may only appear in module files."),
- Global_module_exports_may_only_appear_in_declaration_files: diag(1315, ts.DiagnosticCategory.Error, "Global_module_exports_may_only_appear_in_declaration_files_1315", "Global module exports may only appear in declaration files."),
- Global_module_exports_may_only_appear_at_top_level: diag(1316, ts.DiagnosticCategory.Error, "Global_module_exports_may_only_appear_at_top_level_1316", "Global module exports may only appear at top level."),
- A_parameter_property_cannot_be_declared_using_a_rest_parameter: diag(1317, ts.DiagnosticCategory.Error, "A_parameter_property_cannot_be_declared_using_a_rest_parameter_1317", "A parameter property cannot be declared using a rest parameter."),
- An_abstract_accessor_cannot_have_an_implementation: diag(1318, ts.DiagnosticCategory.Error, "An_abstract_accessor_cannot_have_an_implementation_1318", "An abstract accessor cannot have an implementation."),
- A_default_export_can_only_be_used_in_an_ECMAScript_style_module: diag(1319, ts.DiagnosticCategory.Error, "A_default_export_can_only_be_used_in_an_ECMAScript_style_module_1319", "A default export can only be used in an ECMAScript-style module."),
- Type_of_await_operand_must_either_be_a_valid_promise_or_must_not_contain_a_callable_then_member: diag(1320, ts.DiagnosticCategory.Error, "Type_of_await_operand_must_either_be_a_valid_promise_or_must_not_contain_a_callable_then_member_1320", "Type of 'await' operand must either be a valid promise or must not contain a callable 'then' member."),
- Type_of_yield_operand_in_an_async_generator_must_either_be_a_valid_promise_or_must_not_contain_a_callable_then_member: diag(1321, ts.DiagnosticCategory.Error, "Type_of_yield_operand_in_an_async_generator_must_either_be_a_valid_promise_or_must_not_contain_a_cal_1321", "Type of 'yield' operand in an async generator must either be a valid promise or must not contain a callable 'then' member."),
- Type_of_iterated_elements_of_a_yield_Asterisk_operand_must_either_be_a_valid_promise_or_must_not_contain_a_callable_then_member: diag(1322, ts.DiagnosticCategory.Error, "Type_of_iterated_elements_of_a_yield_Asterisk_operand_must_either_be_a_valid_promise_or_must_not_con_1322", "Type of iterated elements of a 'yield*' operand must either be a valid promise or must not contain a callable 'then' member."),
- Dynamic_imports_are_only_supported_when_the_module_flag_is_set_to_es2020_esnext_commonjs_amd_system_or_umd: diag(1323, ts.DiagnosticCategory.Error, "Dynamic_imports_are_only_supported_when_the_module_flag_is_set_to_es2020_esnext_commonjs_amd_system__1323", "Dynamic imports are only supported when the '--module' flag is set to 'es2020', 'esnext', 'commonjs', 'amd', 'system', or 'umd'."),
- Dynamic_import_must_have_one_specifier_as_an_argument: diag(1324, ts.DiagnosticCategory.Error, "Dynamic_import_must_have_one_specifier_as_an_argument_1324", "Dynamic import must have one specifier as an argument."),
- Specifier_of_dynamic_import_cannot_be_spread_element: diag(1325, ts.DiagnosticCategory.Error, "Specifier_of_dynamic_import_cannot_be_spread_element_1325", "Specifier of dynamic import cannot be spread element."),
- Dynamic_import_cannot_have_type_arguments: diag(1326, ts.DiagnosticCategory.Error, "Dynamic_import_cannot_have_type_arguments_1326", "Dynamic import cannot have type arguments"),
- String_literal_with_double_quotes_expected: diag(1327, ts.DiagnosticCategory.Error, "String_literal_with_double_quotes_expected_1327", "String literal with double quotes expected."),
- Property_value_can_only_be_string_literal_numeric_literal_true_false_null_object_literal_or_array_literal: diag(1328, ts.DiagnosticCategory.Error, "Property_value_can_only_be_string_literal_numeric_literal_true_false_null_object_literal_or_array_li_1328", "Property value can only be string literal, numeric literal, 'true', 'false', 'null', object literal or array literal."),
- _0_accepts_too_few_arguments_to_be_used_as_a_decorator_here_Did_you_mean_to_call_it_first_and_write_0: diag(1329, ts.DiagnosticCategory.Error, "_0_accepts_too_few_arguments_to_be_used_as_a_decorator_here_Did_you_mean_to_call_it_first_and_write__1329", "'{0}' accepts too few arguments to be used as a decorator here. Did you mean to call it first and write '@{0}()'?"),
- A_property_of_an_interface_or_type_literal_whose_type_is_a_unique_symbol_type_must_be_readonly: diag(1330, ts.DiagnosticCategory.Error, "A_property_of_an_interface_or_type_literal_whose_type_is_a_unique_symbol_type_must_be_readonly_1330", "A property of an interface or type literal whose type is a 'unique symbol' type must be 'readonly'."),
- A_property_of_a_class_whose_type_is_a_unique_symbol_type_must_be_both_static_and_readonly: diag(1331, ts.DiagnosticCategory.Error, "A_property_of_a_class_whose_type_is_a_unique_symbol_type_must_be_both_static_and_readonly_1331", "A property of a class whose type is a 'unique symbol' type must be both 'static' and 'readonly'."),
- A_variable_whose_type_is_a_unique_symbol_type_must_be_const: diag(1332, ts.DiagnosticCategory.Error, "A_variable_whose_type_is_a_unique_symbol_type_must_be_const_1332", "A variable whose type is a 'unique symbol' type must be 'const'."),
- unique_symbol_types_may_not_be_used_on_a_variable_declaration_with_a_binding_name: diag(1333, ts.DiagnosticCategory.Error, "unique_symbol_types_may_not_be_used_on_a_variable_declaration_with_a_binding_name_1333", "'unique symbol' types may not be used on a variable declaration with a binding name."),
- unique_symbol_types_are_only_allowed_on_variables_in_a_variable_statement: diag(1334, ts.DiagnosticCategory.Error, "unique_symbol_types_are_only_allowed_on_variables_in_a_variable_statement_1334", "'unique symbol' types are only allowed on variables in a variable statement."),
- unique_symbol_types_are_not_allowed_here: diag(1335, ts.DiagnosticCategory.Error, "unique_symbol_types_are_not_allowed_here_1335", "'unique symbol' types are not allowed here."),
- An_index_signature_parameter_type_cannot_be_a_type_alias_Consider_writing_0_Colon_1_Colon_2_instead: diag(1336, ts.DiagnosticCategory.Error, "An_index_signature_parameter_type_cannot_be_a_type_alias_Consider_writing_0_Colon_1_Colon_2_instead_1336", "An index signature parameter type cannot be a type alias. Consider writing '[{0}: {1}]: {2}' instead."),
- An_index_signature_parameter_type_cannot_be_a_union_type_Consider_using_a_mapped_object_type_instead: diag(1337, ts.DiagnosticCategory.Error, "An_index_signature_parameter_type_cannot_be_a_union_type_Consider_using_a_mapped_object_type_instead_1337", "An index signature parameter type cannot be a union type. Consider using a mapped object type instead."),
- infer_declarations_are_only_permitted_in_the_extends_clause_of_a_conditional_type: diag(1338, ts.DiagnosticCategory.Error, "infer_declarations_are_only_permitted_in_the_extends_clause_of_a_conditional_type_1338", "'infer' declarations are only permitted in the 'extends' clause of a conditional type."),
- Module_0_does_not_refer_to_a_value_but_is_used_as_a_value_here: diag(1339, ts.DiagnosticCategory.Error, "Module_0_does_not_refer_to_a_value_but_is_used_as_a_value_here_1339", "Module '{0}' does not refer to a value, but is used as a value here."),
- Module_0_does_not_refer_to_a_type_but_is_used_as_a_type_here_Did_you_mean_typeof_import_0: diag(1340, ts.DiagnosticCategory.Error, "Module_0_does_not_refer_to_a_type_but_is_used_as_a_type_here_Did_you_mean_typeof_import_0_1340", "Module '{0}' does not refer to a type, but is used as a type here. Did you mean 'typeof import('{0}')'?"),
- Type_arguments_cannot_be_used_here: diag(1342, ts.DiagnosticCategory.Error, "Type_arguments_cannot_be_used_here_1342", "Type arguments cannot be used here."),
- The_import_meta_meta_property_is_only_allowed_when_the_module_option_is_esnext_or_system: diag(1343, ts.DiagnosticCategory.Error, "The_import_meta_meta_property_is_only_allowed_when_the_module_option_is_esnext_or_system_1343", "The 'import.meta' meta-property is only allowed when the '--module' option is 'esnext' or 'system'."),
- A_label_is_not_allowed_here: diag(1344, ts.DiagnosticCategory.Error, "A_label_is_not_allowed_here_1344", "'A label is not allowed here."),
- An_expression_of_type_void_cannot_be_tested_for_truthiness: diag(1345, ts.DiagnosticCategory.Error, "An_expression_of_type_void_cannot_be_tested_for_truthiness_1345", "An expression of type 'void' cannot be tested for truthiness"),
- This_parameter_is_not_allowed_with_use_strict_directive: diag(1346, ts.DiagnosticCategory.Error, "This_parameter_is_not_allowed_with_use_strict_directive_1346", "This parameter is not allowed with 'use strict' directive."),
- use_strict_directive_cannot_be_used_with_non_simple_parameter_list: diag(1347, ts.DiagnosticCategory.Error, "use_strict_directive_cannot_be_used_with_non_simple_parameter_list_1347", "'use strict' directive cannot be used with non-simple parameter list."),
- Non_simple_parameter_declared_here: diag(1348, ts.DiagnosticCategory.Error, "Non_simple_parameter_declared_here_1348", "Non-simple parameter declared here."),
- use_strict_directive_used_here: diag(1349, ts.DiagnosticCategory.Error, "use_strict_directive_used_here_1349", "'use strict' directive used here."),
- Print_the_final_configuration_instead_of_building: diag(1350, ts.DiagnosticCategory.Message, "Print_the_final_configuration_instead_of_building_1350", "Print the final configuration instead of building."),
- An_identifier_or_keyword_cannot_immediately_follow_a_numeric_literal: diag(1351, ts.DiagnosticCategory.Error, "An_identifier_or_keyword_cannot_immediately_follow_a_numeric_literal_1351", "An identifier or keyword cannot immediately follow a numeric literal."),
- A_bigint_literal_cannot_use_exponential_notation: diag(1352, ts.DiagnosticCategory.Error, "A_bigint_literal_cannot_use_exponential_notation_1352", "A bigint literal cannot use exponential notation."),
- A_bigint_literal_must_be_an_integer: diag(1353, ts.DiagnosticCategory.Error, "A_bigint_literal_must_be_an_integer_1353", "A bigint literal must be an integer."),
- readonly_type_modifier_is_only_permitted_on_array_and_tuple_literal_types: diag(1354, ts.DiagnosticCategory.Error, "readonly_type_modifier_is_only_permitted_on_array_and_tuple_literal_types_1354", "'readonly' type modifier is only permitted on array and tuple literal types."),
- A_const_assertions_can_only_be_applied_to_references_to_enum_members_or_string_number_boolean_array_or_object_literals: diag(1355, ts.DiagnosticCategory.Error, "A_const_assertions_can_only_be_applied_to_references_to_enum_members_or_string_number_boolean_array__1355", "A 'const' assertions can only be applied to references to enum members, or string, number, boolean, array, or object literals."),
- Did_you_mean_to_mark_this_function_as_async: diag(1356, ts.DiagnosticCategory.Error, "Did_you_mean_to_mark_this_function_as_async_1356", "Did you mean to mark this function as 'async'?"),
- An_enum_member_name_must_be_followed_by_a_or: diag(1357, ts.DiagnosticCategory.Error, "An_enum_member_name_must_be_followed_by_a_or_1357", "An enum member name must be followed by a ',', '=', or '}'."),
- Tagged_template_expressions_are_not_permitted_in_an_optional_chain: diag(1358, ts.DiagnosticCategory.Error, "Tagged_template_expressions_are_not_permitted_in_an_optional_chain_1358", "Tagged template expressions are not permitted in an optional chain."),
- Identifier_expected_0_is_a_reserved_word_that_cannot_be_used_here: diag(1359, ts.DiagnosticCategory.Error, "Identifier_expected_0_is_a_reserved_word_that_cannot_be_used_here_1359", "Identifier expected. '{0}' is a reserved word that cannot be used here."),
- Did_you_mean_to_parenthesize_this_function_type: diag(1360, ts.DiagnosticCategory.Error, "Did_you_mean_to_parenthesize_this_function_type_1360", "Did you mean to parenthesize this function type?"),
- _0_cannot_be_used_as_a_value_because_it_was_imported_using_import_type: diag(1361, ts.DiagnosticCategory.Error, "_0_cannot_be_used_as_a_value_because_it_was_imported_using_import_type_1361", "'{0}' cannot be used as a value because it was imported using 'import type'."),
- _0_cannot_be_used_as_a_value_because_it_was_exported_using_export_type: diag(1362, ts.DiagnosticCategory.Error, "_0_cannot_be_used_as_a_value_because_it_was_exported_using_export_type_1362", "'{0}' cannot be used as a value because it was exported using 'export type'."),
- A_type_only_import_can_specify_a_default_import_or_named_bindings_but_not_both: diag(1363, ts.DiagnosticCategory.Error, "A_type_only_import_can_specify_a_default_import_or_named_bindings_but_not_both_1363", "A type-only import can specify a default import or named bindings, but not both."),
- Convert_to_type_only_export: diag(1364, ts.DiagnosticCategory.Message, "Convert_to_type_only_export_1364", "Convert to type-only export"),
- Convert_all_re_exported_types_to_type_only_exports: diag(1365, ts.DiagnosticCategory.Message, "Convert_all_re_exported_types_to_type_only_exports_1365", "Convert all re-exported types to type-only exports"),
- Split_into_two_separate_import_declarations: diag(1366, ts.DiagnosticCategory.Message, "Split_into_two_separate_import_declarations_1366", "Split into two separate import declarations"),
- Split_all_invalid_type_only_imports: diag(1367, ts.DiagnosticCategory.Message, "Split_all_invalid_type_only_imports_1367", "Split all invalid type-only imports"),
- Specify_emit_Slashchecking_behavior_for_imports_that_are_only_used_for_types: diag(1368, ts.DiagnosticCategory.Message, "Specify_emit_Slashchecking_behavior_for_imports_that_are_only_used_for_types_1368", "Specify emit/checking behavior for imports that are only used for types"),
- Did_you_mean_0: diag(1369, ts.DiagnosticCategory.Message, "Did_you_mean_0_1369", "Did you mean '{0}'?"),
- Only_ECMAScript_imports_may_use_import_type: diag(1370, ts.DiagnosticCategory.Error, "Only_ECMAScript_imports_may_use_import_type_1370", "Only ECMAScript imports may use 'import type'."),
- This_import_is_never_used_as_a_value_and_must_use_import_type_because_the_importsNotUsedAsValues_is_set_to_error: diag(1371, ts.DiagnosticCategory.Error, "This_import_is_never_used_as_a_value_and_must_use_import_type_because_the_importsNotUsedAsValues_is__1371", "This import is never used as a value and must use 'import type' because the 'importsNotUsedAsValues' is set to 'error'."),
- Convert_to_type_only_import: diag(1373, ts.DiagnosticCategory.Message, "Convert_to_type_only_import_1373", "Convert to type-only import"),
- Convert_all_imports_not_used_as_a_value_to_type_only_imports: diag(1374, ts.DiagnosticCategory.Message, "Convert_all_imports_not_used_as_a_value_to_type_only_imports_1374", "Convert all imports not used as a value to type-only imports"),
- await_expressions_are_only_allowed_at_the_top_level_of_a_file_when_that_file_is_a_module_but_this_file_has_no_imports_or_exports_Consider_adding_an_empty_export_to_make_this_file_a_module: diag(1375, ts.DiagnosticCategory.Error, "await_expressions_are_only_allowed_at_the_top_level_of_a_file_when_that_file_is_a_module_but_this_fi_1375", "'await' expressions are only allowed at the top level of a file when that file is a module, but this file has no imports or exports. Consider adding an empty 'export {}' to make this file a module."),
- _0_was_imported_here: diag(1376, ts.DiagnosticCategory.Message, "_0_was_imported_here_1376", "'{0}' was imported here."),
- _0_was_exported_here: diag(1377, ts.DiagnosticCategory.Message, "_0_was_exported_here_1377", "'{0}' was exported here."),
- Top_level_await_expressions_are_only_allowed_when_the_module_option_is_set_to_esnext_or_system_and_the_target_option_is_set_to_es2017_or_higher: diag(1378, ts.DiagnosticCategory.Error, "Top_level_await_expressions_are_only_allowed_when_the_module_option_is_set_to_esnext_or_system_and_t_1378", "Top-level 'await' expressions are only allowed when the 'module' option is set to 'esnext' or 'system', and the 'target' option is set to 'es2017' or higher."),
- An_import_alias_cannot_reference_a_declaration_that_was_exported_using_export_type: diag(1379, ts.DiagnosticCategory.Error, "An_import_alias_cannot_reference_a_declaration_that_was_exported_using_export_type_1379", "An import alias cannot reference a declaration that was exported using 'export type'."),
- An_import_alias_cannot_reference_a_declaration_that_was_imported_using_import_type: diag(1380, ts.DiagnosticCategory.Error, "An_import_alias_cannot_reference_a_declaration_that_was_imported_using_import_type_1380", "An import alias cannot reference a declaration that was imported using 'import type'."),
- Unexpected_token_Did_you_mean_or_rbrace: diag(1381, ts.DiagnosticCategory.Error, "Unexpected_token_Did_you_mean_or_rbrace_1381", "Unexpected token. Did you mean `{'}'}` or `}`?"),
- Unexpected_token_Did_you_mean_or_gt: diag(1382, ts.DiagnosticCategory.Error, "Unexpected_token_Did_you_mean_or_gt_1382", "Unexpected token. Did you mean `{'>'}` or `>`?"),
- Only_named_exports_may_use_export_type: diag(1383, ts.DiagnosticCategory.Error, "Only_named_exports_may_use_export_type_1383", "Only named exports may use 'export type'."),
- A_new_expression_with_type_arguments_must_always_be_followed_by_a_parenthesized_argument_list: diag(1384, ts.DiagnosticCategory.Error, "A_new_expression_with_type_arguments_must_always_be_followed_by_a_parenthesized_argument_list_1384", "A 'new' expression with type arguments must always be followed by a parenthesized argument list."),
- The_types_of_0_are_incompatible_between_these_types: diag(2200, ts.DiagnosticCategory.Error, "The_types_of_0_are_incompatible_between_these_types_2200", "The types of '{0}' are incompatible between these types."),
- The_types_returned_by_0_are_incompatible_between_these_types: diag(2201, ts.DiagnosticCategory.Error, "The_types_returned_by_0_are_incompatible_between_these_types_2201", "The types returned by '{0}' are incompatible between these types."),
- Call_signature_return_types_0_and_1_are_incompatible: diag(2202, ts.DiagnosticCategory.Error, "Call_signature_return_types_0_and_1_are_incompatible_2202", "Call signature return types '{0}' and '{1}' are incompatible.", /*reportsUnnecessary*/ undefined, /*elidedInCompatabilityPyramid*/ true),
- Construct_signature_return_types_0_and_1_are_incompatible: diag(2203, ts.DiagnosticCategory.Error, "Construct_signature_return_types_0_and_1_are_incompatible_2203", "Construct signature return types '{0}' and '{1}' are incompatible.", /*reportsUnnecessary*/ undefined, /*elidedInCompatabilityPyramid*/ true),
- Call_signatures_with_no_arguments_have_incompatible_return_types_0_and_1: diag(2204, ts.DiagnosticCategory.Error, "Call_signatures_with_no_arguments_have_incompatible_return_types_0_and_1_2204", "Call signatures with no arguments have incompatible return types '{0}' and '{1}'.", /*reportsUnnecessary*/ undefined, /*elidedInCompatabilityPyramid*/ true),
- Construct_signatures_with_no_arguments_have_incompatible_return_types_0_and_1: diag(2205, ts.DiagnosticCategory.Error, "Construct_signatures_with_no_arguments_have_incompatible_return_types_0_and_1_2205", "Construct signatures with no arguments have incompatible return types '{0}' and '{1}'.", /*reportsUnnecessary*/ undefined, /*elidedInCompatabilityPyramid*/ true),
- Duplicate_identifier_0: diag(2300, ts.DiagnosticCategory.Error, "Duplicate_identifier_0_2300", "Duplicate identifier '{0}'."),
- Initializer_of_instance_member_variable_0_cannot_reference_identifier_1_declared_in_the_constructor: diag(2301, ts.DiagnosticCategory.Error, "Initializer_of_instance_member_variable_0_cannot_reference_identifier_1_declared_in_the_constructor_2301", "Initializer of instance member variable '{0}' cannot reference identifier '{1}' declared in the constructor."),
- Static_members_cannot_reference_class_type_parameters: diag(2302, ts.DiagnosticCategory.Error, "Static_members_cannot_reference_class_type_parameters_2302", "Static members cannot reference class type parameters."),
- Circular_definition_of_import_alias_0: diag(2303, ts.DiagnosticCategory.Error, "Circular_definition_of_import_alias_0_2303", "Circular definition of import alias '{0}'."),
- Cannot_find_name_0: diag(2304, ts.DiagnosticCategory.Error, "Cannot_find_name_0_2304", "Cannot find name '{0}'."),
- Module_0_has_no_exported_member_1: diag(2305, ts.DiagnosticCategory.Error, "Module_0_has_no_exported_member_1_2305", "Module '{0}' has no exported member '{1}'."),
- File_0_is_not_a_module: diag(2306, ts.DiagnosticCategory.Error, "File_0_is_not_a_module_2306", "File '{0}' is not a module."),
- Cannot_find_module_0_or_its_corresponding_type_declarations: diag(2307, ts.DiagnosticCategory.Error, "Cannot_find_module_0_or_its_corresponding_type_declarations_2307", "Cannot find module '{0}' or its corresponding type declarations."),
- Module_0_has_already_exported_a_member_named_1_Consider_explicitly_re_exporting_to_resolve_the_ambiguity: diag(2308, ts.DiagnosticCategory.Error, "Module_0_has_already_exported_a_member_named_1_Consider_explicitly_re_exporting_to_resolve_the_ambig_2308", "Module {0} has already exported a member named '{1}'. Consider explicitly re-exporting to resolve the ambiguity."),
- An_export_assignment_cannot_be_used_in_a_module_with_other_exported_elements: diag(2309, ts.DiagnosticCategory.Error, "An_export_assignment_cannot_be_used_in_a_module_with_other_exported_elements_2309", "An export assignment cannot be used in a module with other exported elements."),
- Type_0_recursively_references_itself_as_a_base_type: diag(2310, ts.DiagnosticCategory.Error, "Type_0_recursively_references_itself_as_a_base_type_2310", "Type '{0}' recursively references itself as a base type."),
- A_class_may_only_extend_another_class: diag(2311, ts.DiagnosticCategory.Error, "A_class_may_only_extend_another_class_2311", "A class may only extend another class."),
- An_interface_can_only_extend_an_object_type_or_intersection_of_object_types_with_statically_known_members: diag(2312, ts.DiagnosticCategory.Error, "An_interface_can_only_extend_an_object_type_or_intersection_of_object_types_with_statically_known_me_2312", "An interface can only extend an object type or intersection of object types with statically known members."),
- Type_parameter_0_has_a_circular_constraint: diag(2313, ts.DiagnosticCategory.Error, "Type_parameter_0_has_a_circular_constraint_2313", "Type parameter '{0}' has a circular constraint."),
- Generic_type_0_requires_1_type_argument_s: diag(2314, ts.DiagnosticCategory.Error, "Generic_type_0_requires_1_type_argument_s_2314", "Generic type '{0}' requires {1} type argument(s)."),
- Type_0_is_not_generic: diag(2315, ts.DiagnosticCategory.Error, "Type_0_is_not_generic_2315", "Type '{0}' is not generic."),
- Global_type_0_must_be_a_class_or_interface_type: diag(2316, ts.DiagnosticCategory.Error, "Global_type_0_must_be_a_class_or_interface_type_2316", "Global type '{0}' must be a class or interface type."),
- Global_type_0_must_have_1_type_parameter_s: diag(2317, ts.DiagnosticCategory.Error, "Global_type_0_must_have_1_type_parameter_s_2317", "Global type '{0}' must have {1} type parameter(s)."),
- Cannot_find_global_type_0: diag(2318, ts.DiagnosticCategory.Error, "Cannot_find_global_type_0_2318", "Cannot find global type '{0}'."),
- Named_property_0_of_types_1_and_2_are_not_identical: diag(2319, ts.DiagnosticCategory.Error, "Named_property_0_of_types_1_and_2_are_not_identical_2319", "Named property '{0}' of types '{1}' and '{2}' are not identical."),
- Interface_0_cannot_simultaneously_extend_types_1_and_2: diag(2320, ts.DiagnosticCategory.Error, "Interface_0_cannot_simultaneously_extend_types_1_and_2_2320", "Interface '{0}' cannot simultaneously extend types '{1}' and '{2}'."),
- Excessive_stack_depth_comparing_types_0_and_1: diag(2321, ts.DiagnosticCategory.Error, "Excessive_stack_depth_comparing_types_0_and_1_2321", "Excessive stack depth comparing types '{0}' and '{1}'."),
- Type_0_is_not_assignable_to_type_1: diag(2322, ts.DiagnosticCategory.Error, "Type_0_is_not_assignable_to_type_1_2322", "Type '{0}' is not assignable to type '{1}'."),
- Cannot_redeclare_exported_variable_0: diag(2323, ts.DiagnosticCategory.Error, "Cannot_redeclare_exported_variable_0_2323", "Cannot redeclare exported variable '{0}'."),
- Property_0_is_missing_in_type_1: diag(2324, ts.DiagnosticCategory.Error, "Property_0_is_missing_in_type_1_2324", "Property '{0}' is missing in type '{1}'."),
- Property_0_is_private_in_type_1_but_not_in_type_2: diag(2325, ts.DiagnosticCategory.Error, "Property_0_is_private_in_type_1_but_not_in_type_2_2325", "Property '{0}' is private in type '{1}' but not in type '{2}'."),
- Types_of_property_0_are_incompatible: diag(2326, ts.DiagnosticCategory.Error, "Types_of_property_0_are_incompatible_2326", "Types of property '{0}' are incompatible."),
- Property_0_is_optional_in_type_1_but_required_in_type_2: diag(2327, ts.DiagnosticCategory.Error, "Property_0_is_optional_in_type_1_but_required_in_type_2_2327", "Property '{0}' is optional in type '{1}' but required in type '{2}'."),
- Types_of_parameters_0_and_1_are_incompatible: diag(2328, ts.DiagnosticCategory.Error, "Types_of_parameters_0_and_1_are_incompatible_2328", "Types of parameters '{0}' and '{1}' are incompatible."),
- Index_signature_is_missing_in_type_0: diag(2329, ts.DiagnosticCategory.Error, "Index_signature_is_missing_in_type_0_2329", "Index signature is missing in type '{0}'."),
- Index_signatures_are_incompatible: diag(2330, ts.DiagnosticCategory.Error, "Index_signatures_are_incompatible_2330", "Index signatures are incompatible."),
- this_cannot_be_referenced_in_a_module_or_namespace_body: diag(2331, ts.DiagnosticCategory.Error, "this_cannot_be_referenced_in_a_module_or_namespace_body_2331", "'this' cannot be referenced in a module or namespace body."),
- this_cannot_be_referenced_in_current_location: diag(2332, ts.DiagnosticCategory.Error, "this_cannot_be_referenced_in_current_location_2332", "'this' cannot be referenced in current location."),
- this_cannot_be_referenced_in_constructor_arguments: diag(2333, ts.DiagnosticCategory.Error, "this_cannot_be_referenced_in_constructor_arguments_2333", "'this' cannot be referenced in constructor arguments."),
- this_cannot_be_referenced_in_a_static_property_initializer: diag(2334, ts.DiagnosticCategory.Error, "this_cannot_be_referenced_in_a_static_property_initializer_2334", "'this' cannot be referenced in a static property initializer."),
- super_can_only_be_referenced_in_a_derived_class: diag(2335, ts.DiagnosticCategory.Error, "super_can_only_be_referenced_in_a_derived_class_2335", "'super' can only be referenced in a derived class."),
- super_cannot_be_referenced_in_constructor_arguments: diag(2336, ts.DiagnosticCategory.Error, "super_cannot_be_referenced_in_constructor_arguments_2336", "'super' cannot be referenced in constructor arguments."),
- Super_calls_are_not_permitted_outside_constructors_or_in_nested_functions_inside_constructors: diag(2337, ts.DiagnosticCategory.Error, "Super_calls_are_not_permitted_outside_constructors_or_in_nested_functions_inside_constructors_2337", "Super calls are not permitted outside constructors or in nested functions inside constructors."),
- super_property_access_is_permitted_only_in_a_constructor_member_function_or_member_accessor_of_a_derived_class: diag(2338, ts.DiagnosticCategory.Error, "super_property_access_is_permitted_only_in_a_constructor_member_function_or_member_accessor_of_a_der_2338", "'super' property access is permitted only in a constructor, member function, or member accessor of a derived class."),
- Property_0_does_not_exist_on_type_1: diag(2339, ts.DiagnosticCategory.Error, "Property_0_does_not_exist_on_type_1_2339", "Property '{0}' does not exist on type '{1}'."),
- Only_public_and_protected_methods_of_the_base_class_are_accessible_via_the_super_keyword: diag(2340, ts.DiagnosticCategory.Error, "Only_public_and_protected_methods_of_the_base_class_are_accessible_via_the_super_keyword_2340", "Only public and protected methods of the base class are accessible via the 'super' keyword."),
- Property_0_is_private_and_only_accessible_within_class_1: diag(2341, ts.DiagnosticCategory.Error, "Property_0_is_private_and_only_accessible_within_class_1_2341", "Property '{0}' is private and only accessible within class '{1}'."),
- An_index_expression_argument_must_be_of_type_string_number_symbol_or_any: diag(2342, ts.DiagnosticCategory.Error, "An_index_expression_argument_must_be_of_type_string_number_symbol_or_any_2342", "An index expression argument must be of type 'string', 'number', 'symbol', or 'any'."),
- This_syntax_requires_an_imported_helper_named_1_which_does_not_exist_in_0_Consider_upgrading_your_version_of_0: diag(2343, ts.DiagnosticCategory.Error, "This_syntax_requires_an_imported_helper_named_1_which_does_not_exist_in_0_Consider_upgrading_your_ve_2343", "This syntax requires an imported helper named '{1}' which does not exist in '{0}'. Consider upgrading your version of '{0}'."),
- Type_0_does_not_satisfy_the_constraint_1: diag(2344, ts.DiagnosticCategory.Error, "Type_0_does_not_satisfy_the_constraint_1_2344", "Type '{0}' does not satisfy the constraint '{1}'."),
- Argument_of_type_0_is_not_assignable_to_parameter_of_type_1: diag(2345, ts.DiagnosticCategory.Error, "Argument_of_type_0_is_not_assignable_to_parameter_of_type_1_2345", "Argument of type '{0}' is not assignable to parameter of type '{1}'."),
- Call_target_does_not_contain_any_signatures: diag(2346, ts.DiagnosticCategory.Error, "Call_target_does_not_contain_any_signatures_2346", "Call target does not contain any signatures."),
- Untyped_function_calls_may_not_accept_type_arguments: diag(2347, ts.DiagnosticCategory.Error, "Untyped_function_calls_may_not_accept_type_arguments_2347", "Untyped function calls may not accept type arguments."),
- Value_of_type_0_is_not_callable_Did_you_mean_to_include_new: diag(2348, ts.DiagnosticCategory.Error, "Value_of_type_0_is_not_callable_Did_you_mean_to_include_new_2348", "Value of type '{0}' is not callable. Did you mean to include 'new'?"),
- This_expression_is_not_callable: diag(2349, ts.DiagnosticCategory.Error, "This_expression_is_not_callable_2349", "This expression is not callable."),
- Only_a_void_function_can_be_called_with_the_new_keyword: diag(2350, ts.DiagnosticCategory.Error, "Only_a_void_function_can_be_called_with_the_new_keyword_2350", "Only a void function can be called with the 'new' keyword."),
- This_expression_is_not_constructable: diag(2351, ts.DiagnosticCategory.Error, "This_expression_is_not_constructable_2351", "This expression is not constructable."),
- Conversion_of_type_0_to_type_1_may_be_a_mistake_because_neither_type_sufficiently_overlaps_with_the_other_If_this_was_intentional_convert_the_expression_to_unknown_first: diag(2352, ts.DiagnosticCategory.Error, "Conversion_of_type_0_to_type_1_may_be_a_mistake_because_neither_type_sufficiently_overlaps_with_the__2352", "Conversion of type '{0}' to type '{1}' may be a mistake because neither type sufficiently overlaps with the other. If this was intentional, convert the expression to 'unknown' first."),
- Object_literal_may_only_specify_known_properties_and_0_does_not_exist_in_type_1: diag(2353, ts.DiagnosticCategory.Error, "Object_literal_may_only_specify_known_properties_and_0_does_not_exist_in_type_1_2353", "Object literal may only specify known properties, and '{0}' does not exist in type '{1}'."),
- This_syntax_requires_an_imported_helper_but_module_0_cannot_be_found: diag(2354, ts.DiagnosticCategory.Error, "This_syntax_requires_an_imported_helper_but_module_0_cannot_be_found_2354", "This syntax requires an imported helper but module '{0}' cannot be found."),
- A_function_whose_declared_type_is_neither_void_nor_any_must_return_a_value: diag(2355, ts.DiagnosticCategory.Error, "A_function_whose_declared_type_is_neither_void_nor_any_must_return_a_value_2355", "A function whose declared type is neither 'void' nor 'any' must return a value."),
- An_arithmetic_operand_must_be_of_type_any_number_bigint_or_an_enum_type: diag(2356, ts.DiagnosticCategory.Error, "An_arithmetic_operand_must_be_of_type_any_number_bigint_or_an_enum_type_2356", "An arithmetic operand must be of type 'any', 'number', 'bigint' or an enum type."),
- The_operand_of_an_increment_or_decrement_operator_must_be_a_variable_or_a_property_access: diag(2357, ts.DiagnosticCategory.Error, "The_operand_of_an_increment_or_decrement_operator_must_be_a_variable_or_a_property_access_2357", "The operand of an increment or decrement operator must be a variable or a property access."),
- The_left_hand_side_of_an_instanceof_expression_must_be_of_type_any_an_object_type_or_a_type_parameter: diag(2358, ts.DiagnosticCategory.Error, "The_left_hand_side_of_an_instanceof_expression_must_be_of_type_any_an_object_type_or_a_type_paramete_2358", "The left-hand side of an 'instanceof' expression must be of type 'any', an object type or a type parameter."),
- The_right_hand_side_of_an_instanceof_expression_must_be_of_type_any_or_of_a_type_assignable_to_the_Function_interface_type: diag(2359, ts.DiagnosticCategory.Error, "The_right_hand_side_of_an_instanceof_expression_must_be_of_type_any_or_of_a_type_assignable_to_the_F_2359", "The right-hand side of an 'instanceof' expression must be of type 'any' or of a type assignable to the 'Function' interface type."),
- The_left_hand_side_of_an_in_expression_must_be_of_type_any_string_number_or_symbol: diag(2360, ts.DiagnosticCategory.Error, "The_left_hand_side_of_an_in_expression_must_be_of_type_any_string_number_or_symbol_2360", "The left-hand side of an 'in' expression must be of type 'any', 'string', 'number', or 'symbol'."),
- The_right_hand_side_of_an_in_expression_must_be_of_type_any_an_object_type_or_a_type_parameter: diag(2361, ts.DiagnosticCategory.Error, "The_right_hand_side_of_an_in_expression_must_be_of_type_any_an_object_type_or_a_type_parameter_2361", "The right-hand side of an 'in' expression must be of type 'any', an object type or a type parameter."),
- The_left_hand_side_of_an_arithmetic_operation_must_be_of_type_any_number_bigint_or_an_enum_type: diag(2362, ts.DiagnosticCategory.Error, "The_left_hand_side_of_an_arithmetic_operation_must_be_of_type_any_number_bigint_or_an_enum_type_2362", "The left-hand side of an arithmetic operation must be of type 'any', 'number', 'bigint' or an enum type."),
- The_right_hand_side_of_an_arithmetic_operation_must_be_of_type_any_number_bigint_or_an_enum_type: diag(2363, ts.DiagnosticCategory.Error, "The_right_hand_side_of_an_arithmetic_operation_must_be_of_type_any_number_bigint_or_an_enum_type_2363", "The right-hand side of an arithmetic operation must be of type 'any', 'number', 'bigint' or an enum type."),
- The_left_hand_side_of_an_assignment_expression_must_be_a_variable_or_a_property_access: diag(2364, ts.DiagnosticCategory.Error, "The_left_hand_side_of_an_assignment_expression_must_be_a_variable_or_a_property_access_2364", "The left-hand side of an assignment expression must be a variable or a property access."),
- Operator_0_cannot_be_applied_to_types_1_and_2: diag(2365, ts.DiagnosticCategory.Error, "Operator_0_cannot_be_applied_to_types_1_and_2_2365", "Operator '{0}' cannot be applied to types '{1}' and '{2}'."),
- Function_lacks_ending_return_statement_and_return_type_does_not_include_undefined: diag(2366, ts.DiagnosticCategory.Error, "Function_lacks_ending_return_statement_and_return_type_does_not_include_undefined_2366", "Function lacks ending return statement and return type does not include 'undefined'."),
- This_condition_will_always_return_0_since_the_types_1_and_2_have_no_overlap: diag(2367, ts.DiagnosticCategory.Error, "This_condition_will_always_return_0_since_the_types_1_and_2_have_no_overlap_2367", "This condition will always return '{0}' since the types '{1}' and '{2}' have no overlap."),
- Type_parameter_name_cannot_be_0: diag(2368, ts.DiagnosticCategory.Error, "Type_parameter_name_cannot_be_0_2368", "Type parameter name cannot be '{0}'."),
- A_parameter_property_is_only_allowed_in_a_constructor_implementation: diag(2369, ts.DiagnosticCategory.Error, "A_parameter_property_is_only_allowed_in_a_constructor_implementation_2369", "A parameter property is only allowed in a constructor implementation."),
- A_rest_parameter_must_be_of_an_array_type: diag(2370, ts.DiagnosticCategory.Error, "A_rest_parameter_must_be_of_an_array_type_2370", "A rest parameter must be of an array type."),
- A_parameter_initializer_is_only_allowed_in_a_function_or_constructor_implementation: diag(2371, ts.DiagnosticCategory.Error, "A_parameter_initializer_is_only_allowed_in_a_function_or_constructor_implementation_2371", "A parameter initializer is only allowed in a function or constructor implementation."),
- Parameter_0_cannot_reference_itself: diag(2372, ts.DiagnosticCategory.Error, "Parameter_0_cannot_reference_itself_2372", "Parameter '{0}' cannot reference itself."),
- Parameter_0_cannot_reference_identifier_1_declared_after_it: diag(2373, ts.DiagnosticCategory.Error, "Parameter_0_cannot_reference_identifier_1_declared_after_it_2373", "Parameter '{0}' cannot reference identifier '{1}' declared after it."),
- Duplicate_string_index_signature: diag(2374, ts.DiagnosticCategory.Error, "Duplicate_string_index_signature_2374", "Duplicate string index signature."),
- Duplicate_number_index_signature: diag(2375, ts.DiagnosticCategory.Error, "Duplicate_number_index_signature_2375", "Duplicate number index signature."),
- A_super_call_must_be_the_first_statement_in_the_constructor_when_a_class_contains_initialized_properties_parameter_properties_or_private_identifiers: diag(2376, ts.DiagnosticCategory.Error, "A_super_call_must_be_the_first_statement_in_the_constructor_when_a_class_contains_initialized_proper_2376", "A 'super' call must be the first statement in the constructor when a class contains initialized properties, parameter properties, or private identifiers."),
- Constructors_for_derived_classes_must_contain_a_super_call: diag(2377, ts.DiagnosticCategory.Error, "Constructors_for_derived_classes_must_contain_a_super_call_2377", "Constructors for derived classes must contain a 'super' call."),
- A_get_accessor_must_return_a_value: diag(2378, ts.DiagnosticCategory.Error, "A_get_accessor_must_return_a_value_2378", "A 'get' accessor must return a value."),
- Getter_and_setter_accessors_do_not_agree_in_visibility: diag(2379, ts.DiagnosticCategory.Error, "Getter_and_setter_accessors_do_not_agree_in_visibility_2379", "Getter and setter accessors do not agree in visibility."),
- get_and_set_accessor_must_have_the_same_type: diag(2380, ts.DiagnosticCategory.Error, "get_and_set_accessor_must_have_the_same_type_2380", "'get' and 'set' accessor must have the same type."),
- A_signature_with_an_implementation_cannot_use_a_string_literal_type: diag(2381, ts.DiagnosticCategory.Error, "A_signature_with_an_implementation_cannot_use_a_string_literal_type_2381", "A signature with an implementation cannot use a string literal type."),
- Specialized_overload_signature_is_not_assignable_to_any_non_specialized_signature: diag(2382, ts.DiagnosticCategory.Error, "Specialized_overload_signature_is_not_assignable_to_any_non_specialized_signature_2382", "Specialized overload signature is not assignable to any non-specialized signature."),
- Overload_signatures_must_all_be_exported_or_non_exported: diag(2383, ts.DiagnosticCategory.Error, "Overload_signatures_must_all_be_exported_or_non_exported_2383", "Overload signatures must all be exported or non-exported."),
- Overload_signatures_must_all_be_ambient_or_non_ambient: diag(2384, ts.DiagnosticCategory.Error, "Overload_signatures_must_all_be_ambient_or_non_ambient_2384", "Overload signatures must all be ambient or non-ambient."),
- Overload_signatures_must_all_be_public_private_or_protected: diag(2385, ts.DiagnosticCategory.Error, "Overload_signatures_must_all_be_public_private_or_protected_2385", "Overload signatures must all be public, private or protected."),
- Overload_signatures_must_all_be_optional_or_required: diag(2386, ts.DiagnosticCategory.Error, "Overload_signatures_must_all_be_optional_or_required_2386", "Overload signatures must all be optional or required."),
- Function_overload_must_be_static: diag(2387, ts.DiagnosticCategory.Error, "Function_overload_must_be_static_2387", "Function overload must be static."),
- Function_overload_must_not_be_static: diag(2388, ts.DiagnosticCategory.Error, "Function_overload_must_not_be_static_2388", "Function overload must not be static."),
- Function_implementation_name_must_be_0: diag(2389, ts.DiagnosticCategory.Error, "Function_implementation_name_must_be_0_2389", "Function implementation name must be '{0}'."),
- Constructor_implementation_is_missing: diag(2390, ts.DiagnosticCategory.Error, "Constructor_implementation_is_missing_2390", "Constructor implementation is missing."),
- Function_implementation_is_missing_or_not_immediately_following_the_declaration: diag(2391, ts.DiagnosticCategory.Error, "Function_implementation_is_missing_or_not_immediately_following_the_declaration_2391", "Function implementation is missing or not immediately following the declaration."),
- Multiple_constructor_implementations_are_not_allowed: diag(2392, ts.DiagnosticCategory.Error, "Multiple_constructor_implementations_are_not_allowed_2392", "Multiple constructor implementations are not allowed."),
- Duplicate_function_implementation: diag(2393, ts.DiagnosticCategory.Error, "Duplicate_function_implementation_2393", "Duplicate function implementation."),
- This_overload_signature_is_not_compatible_with_its_implementation_signature: diag(2394, ts.DiagnosticCategory.Error, "This_overload_signature_is_not_compatible_with_its_implementation_signature_2394", "This overload signature is not compatible with its implementation signature."),
- Individual_declarations_in_merged_declaration_0_must_be_all_exported_or_all_local: diag(2395, ts.DiagnosticCategory.Error, "Individual_declarations_in_merged_declaration_0_must_be_all_exported_or_all_local_2395", "Individual declarations in merged declaration '{0}' must be all exported or all local."),
- Duplicate_identifier_arguments_Compiler_uses_arguments_to_initialize_rest_parameters: diag(2396, ts.DiagnosticCategory.Error, "Duplicate_identifier_arguments_Compiler_uses_arguments_to_initialize_rest_parameters_2396", "Duplicate identifier 'arguments'. Compiler uses 'arguments' to initialize rest parameters."),
- Declaration_name_conflicts_with_built_in_global_identifier_0: diag(2397, ts.DiagnosticCategory.Error, "Declaration_name_conflicts_with_built_in_global_identifier_0_2397", "Declaration name conflicts with built-in global identifier '{0}'."),
- constructor_cannot_be_used_as_a_parameter_property_name: diag(2398, ts.DiagnosticCategory.Error, "constructor_cannot_be_used_as_a_parameter_property_name_2398", "'constructor' cannot be used as a parameter property name."),
- Duplicate_identifier_this_Compiler_uses_variable_declaration_this_to_capture_this_reference: diag(2399, ts.DiagnosticCategory.Error, "Duplicate_identifier_this_Compiler_uses_variable_declaration_this_to_capture_this_reference_2399", "Duplicate identifier '_this'. Compiler uses variable declaration '_this' to capture 'this' reference."),
- Expression_resolves_to_variable_declaration_this_that_compiler_uses_to_capture_this_reference: diag(2400, ts.DiagnosticCategory.Error, "Expression_resolves_to_variable_declaration_this_that_compiler_uses_to_capture_this_reference_2400", "Expression resolves to variable declaration '_this' that compiler uses to capture 'this' reference."),
- Duplicate_identifier_super_Compiler_uses_super_to_capture_base_class_reference: diag(2401, ts.DiagnosticCategory.Error, "Duplicate_identifier_super_Compiler_uses_super_to_capture_base_class_reference_2401", "Duplicate identifier '_super'. Compiler uses '_super' to capture base class reference."),
- Expression_resolves_to_super_that_compiler_uses_to_capture_base_class_reference: diag(2402, ts.DiagnosticCategory.Error, "Expression_resolves_to_super_that_compiler_uses_to_capture_base_class_reference_2402", "Expression resolves to '_super' that compiler uses to capture base class reference."),
- Subsequent_variable_declarations_must_have_the_same_type_Variable_0_must_be_of_type_1_but_here_has_type_2: diag(2403, ts.DiagnosticCategory.Error, "Subsequent_variable_declarations_must_have_the_same_type_Variable_0_must_be_of_type_1_but_here_has_t_2403", "Subsequent variable declarations must have the same type. Variable '{0}' must be of type '{1}', but here has type '{2}'."),
- The_left_hand_side_of_a_for_in_statement_cannot_use_a_type_annotation: diag(2404, ts.DiagnosticCategory.Error, "The_left_hand_side_of_a_for_in_statement_cannot_use_a_type_annotation_2404", "The left-hand side of a 'for...in' statement cannot use a type annotation."),
- The_left_hand_side_of_a_for_in_statement_must_be_of_type_string_or_any: diag(2405, ts.DiagnosticCategory.Error, "The_left_hand_side_of_a_for_in_statement_must_be_of_type_string_or_any_2405", "The left-hand side of a 'for...in' statement must be of type 'string' or 'any'."),
- The_left_hand_side_of_a_for_in_statement_must_be_a_variable_or_a_property_access: diag(2406, ts.DiagnosticCategory.Error, "The_left_hand_side_of_a_for_in_statement_must_be_a_variable_or_a_property_access_2406", "The left-hand side of a 'for...in' statement must be a variable or a property access."),
- The_right_hand_side_of_a_for_in_statement_must_be_of_type_any_an_object_type_or_a_type_parameter_but_here_has_type_0: diag(2407, ts.DiagnosticCategory.Error, "The_right_hand_side_of_a_for_in_statement_must_be_of_type_any_an_object_type_or_a_type_parameter_but_2407", "The right-hand side of a 'for...in' statement must be of type 'any', an object type or a type parameter, but here has type '{0}'."),
- Setters_cannot_return_a_value: diag(2408, ts.DiagnosticCategory.Error, "Setters_cannot_return_a_value_2408", "Setters cannot return a value."),
- Return_type_of_constructor_signature_must_be_assignable_to_the_instance_type_of_the_class: diag(2409, ts.DiagnosticCategory.Error, "Return_type_of_constructor_signature_must_be_assignable_to_the_instance_type_of_the_class_2409", "Return type of constructor signature must be assignable to the instance type of the class."),
- The_with_statement_is_not_supported_All_symbols_in_a_with_block_will_have_type_any: diag(2410, ts.DiagnosticCategory.Error, "The_with_statement_is_not_supported_All_symbols_in_a_with_block_will_have_type_any_2410", "The 'with' statement is not supported. All symbols in a 'with' block will have type 'any'."),
- Property_0_of_type_1_is_not_assignable_to_string_index_type_2: diag(2411, ts.DiagnosticCategory.Error, "Property_0_of_type_1_is_not_assignable_to_string_index_type_2_2411", "Property '{0}' of type '{1}' is not assignable to string index type '{2}'."),
- Property_0_of_type_1_is_not_assignable_to_numeric_index_type_2: diag(2412, ts.DiagnosticCategory.Error, "Property_0_of_type_1_is_not_assignable_to_numeric_index_type_2_2412", "Property '{0}' of type '{1}' is not assignable to numeric index type '{2}'."),
- Numeric_index_type_0_is_not_assignable_to_string_index_type_1: diag(2413, ts.DiagnosticCategory.Error, "Numeric_index_type_0_is_not_assignable_to_string_index_type_1_2413", "Numeric index type '{0}' is not assignable to string index type '{1}'."),
- Class_name_cannot_be_0: diag(2414, ts.DiagnosticCategory.Error, "Class_name_cannot_be_0_2414", "Class name cannot be '{0}'."),
- Class_0_incorrectly_extends_base_class_1: diag(2415, ts.DiagnosticCategory.Error, "Class_0_incorrectly_extends_base_class_1_2415", "Class '{0}' incorrectly extends base class '{1}'."),
- Property_0_in_type_1_is_not_assignable_to_the_same_property_in_base_type_2: diag(2416, ts.DiagnosticCategory.Error, "Property_0_in_type_1_is_not_assignable_to_the_same_property_in_base_type_2_2416", "Property '{0}' in type '{1}' is not assignable to the same property in base type '{2}'."),
- Class_static_side_0_incorrectly_extends_base_class_static_side_1: diag(2417, ts.DiagnosticCategory.Error, "Class_static_side_0_incorrectly_extends_base_class_static_side_1_2417", "Class static side '{0}' incorrectly extends base class static side '{1}'."),
- Type_of_computed_property_s_value_is_0_which_is_not_assignable_to_type_1: diag(2418, ts.DiagnosticCategory.Error, "Type_of_computed_property_s_value_is_0_which_is_not_assignable_to_type_1_2418", "Type of computed property's value is '{0}', which is not assignable to type '{1}'."),
- Class_0_incorrectly_implements_interface_1: diag(2420, ts.DiagnosticCategory.Error, "Class_0_incorrectly_implements_interface_1_2420", "Class '{0}' incorrectly implements interface '{1}'."),
- A_class_can_only_implement_an_object_type_or_intersection_of_object_types_with_statically_known_members: diag(2422, ts.DiagnosticCategory.Error, "A_class_can_only_implement_an_object_type_or_intersection_of_object_types_with_statically_known_memb_2422", "A class can only implement an object type or intersection of object types with statically known members."),
- Class_0_defines_instance_member_function_1_but_extended_class_2_defines_it_as_instance_member_accessor: diag(2423, ts.DiagnosticCategory.Error, "Class_0_defines_instance_member_function_1_but_extended_class_2_defines_it_as_instance_member_access_2423", "Class '{0}' defines instance member function '{1}', but extended class '{2}' defines it as instance member accessor."),
- Class_0_defines_instance_member_property_1_but_extended_class_2_defines_it_as_instance_member_function: diag(2425, ts.DiagnosticCategory.Error, "Class_0_defines_instance_member_property_1_but_extended_class_2_defines_it_as_instance_member_functi_2425", "Class '{0}' defines instance member property '{1}', but extended class '{2}' defines it as instance member function."),
- Class_0_defines_instance_member_accessor_1_but_extended_class_2_defines_it_as_instance_member_function: diag(2426, ts.DiagnosticCategory.Error, "Class_0_defines_instance_member_accessor_1_but_extended_class_2_defines_it_as_instance_member_functi_2426", "Class '{0}' defines instance member accessor '{1}', but extended class '{2}' defines it as instance member function."),
- Interface_name_cannot_be_0: diag(2427, ts.DiagnosticCategory.Error, "Interface_name_cannot_be_0_2427", "Interface name cannot be '{0}'."),
- All_declarations_of_0_must_have_identical_type_parameters: diag(2428, ts.DiagnosticCategory.Error, "All_declarations_of_0_must_have_identical_type_parameters_2428", "All declarations of '{0}' must have identical type parameters."),
- Interface_0_incorrectly_extends_interface_1: diag(2430, ts.DiagnosticCategory.Error, "Interface_0_incorrectly_extends_interface_1_2430", "Interface '{0}' incorrectly extends interface '{1}'."),
- Enum_name_cannot_be_0: diag(2431, ts.DiagnosticCategory.Error, "Enum_name_cannot_be_0_2431", "Enum name cannot be '{0}'."),
- In_an_enum_with_multiple_declarations_only_one_declaration_can_omit_an_initializer_for_its_first_enum_element: diag(2432, ts.DiagnosticCategory.Error, "In_an_enum_with_multiple_declarations_only_one_declaration_can_omit_an_initializer_for_its_first_enu_2432", "In an enum with multiple declarations, only one declaration can omit an initializer for its first enum element."),
- A_namespace_declaration_cannot_be_in_a_different_file_from_a_class_or_function_with_which_it_is_merged: diag(2433, ts.DiagnosticCategory.Error, "A_namespace_declaration_cannot_be_in_a_different_file_from_a_class_or_function_with_which_it_is_merg_2433", "A namespace declaration cannot be in a different file from a class or function with which it is merged."),
- A_namespace_declaration_cannot_be_located_prior_to_a_class_or_function_with_which_it_is_merged: diag(2434, ts.DiagnosticCategory.Error, "A_namespace_declaration_cannot_be_located_prior_to_a_class_or_function_with_which_it_is_merged_2434", "A namespace declaration cannot be located prior to a class or function with which it is merged."),
- Ambient_modules_cannot_be_nested_in_other_modules_or_namespaces: diag(2435, ts.DiagnosticCategory.Error, "Ambient_modules_cannot_be_nested_in_other_modules_or_namespaces_2435", "Ambient modules cannot be nested in other modules or namespaces."),
- Ambient_module_declaration_cannot_specify_relative_module_name: diag(2436, ts.DiagnosticCategory.Error, "Ambient_module_declaration_cannot_specify_relative_module_name_2436", "Ambient module declaration cannot specify relative module name."),
- Module_0_is_hidden_by_a_local_declaration_with_the_same_name: diag(2437, ts.DiagnosticCategory.Error, "Module_0_is_hidden_by_a_local_declaration_with_the_same_name_2437", "Module '{0}' is hidden by a local declaration with the same name."),
- Import_name_cannot_be_0: diag(2438, ts.DiagnosticCategory.Error, "Import_name_cannot_be_0_2438", "Import name cannot be '{0}'."),
- Import_or_export_declaration_in_an_ambient_module_declaration_cannot_reference_module_through_relative_module_name: diag(2439, ts.DiagnosticCategory.Error, "Import_or_export_declaration_in_an_ambient_module_declaration_cannot_reference_module_through_relati_2439", "Import or export declaration in an ambient module declaration cannot reference module through relative module name."),
- Import_declaration_conflicts_with_local_declaration_of_0: diag(2440, ts.DiagnosticCategory.Error, "Import_declaration_conflicts_with_local_declaration_of_0_2440", "Import declaration conflicts with local declaration of '{0}'."),
- Duplicate_identifier_0_Compiler_reserves_name_1_in_top_level_scope_of_a_module: diag(2441, ts.DiagnosticCategory.Error, "Duplicate_identifier_0_Compiler_reserves_name_1_in_top_level_scope_of_a_module_2441", "Duplicate identifier '{0}'. Compiler reserves name '{1}' in top level scope of a module."),
- Types_have_separate_declarations_of_a_private_property_0: diag(2442, ts.DiagnosticCategory.Error, "Types_have_separate_declarations_of_a_private_property_0_2442", "Types have separate declarations of a private property '{0}'."),
- Property_0_is_protected_but_type_1_is_not_a_class_derived_from_2: diag(2443, ts.DiagnosticCategory.Error, "Property_0_is_protected_but_type_1_is_not_a_class_derived_from_2_2443", "Property '{0}' is protected but type '{1}' is not a class derived from '{2}'."),
- Property_0_is_protected_in_type_1_but_public_in_type_2: diag(2444, ts.DiagnosticCategory.Error, "Property_0_is_protected_in_type_1_but_public_in_type_2_2444", "Property '{0}' is protected in type '{1}' but public in type '{2}'."),
- Property_0_is_protected_and_only_accessible_within_class_1_and_its_subclasses: diag(2445, ts.DiagnosticCategory.Error, "Property_0_is_protected_and_only_accessible_within_class_1_and_its_subclasses_2445", "Property '{0}' is protected and only accessible within class '{1}' and its subclasses."),
- Property_0_is_protected_and_only_accessible_through_an_instance_of_class_1: diag(2446, ts.DiagnosticCategory.Error, "Property_0_is_protected_and_only_accessible_through_an_instance_of_class_1_2446", "Property '{0}' is protected and only accessible through an instance of class '{1}'."),
- The_0_operator_is_not_allowed_for_boolean_types_Consider_using_1_instead: diag(2447, ts.DiagnosticCategory.Error, "The_0_operator_is_not_allowed_for_boolean_types_Consider_using_1_instead_2447", "The '{0}' operator is not allowed for boolean types. Consider using '{1}' instead."),
- Block_scoped_variable_0_used_before_its_declaration: diag(2448, ts.DiagnosticCategory.Error, "Block_scoped_variable_0_used_before_its_declaration_2448", "Block-scoped variable '{0}' used before its declaration."),
- Class_0_used_before_its_declaration: diag(2449, ts.DiagnosticCategory.Error, "Class_0_used_before_its_declaration_2449", "Class '{0}' used before its declaration."),
- Enum_0_used_before_its_declaration: diag(2450, ts.DiagnosticCategory.Error, "Enum_0_used_before_its_declaration_2450", "Enum '{0}' used before its declaration."),
- Cannot_redeclare_block_scoped_variable_0: diag(2451, ts.DiagnosticCategory.Error, "Cannot_redeclare_block_scoped_variable_0_2451", "Cannot redeclare block-scoped variable '{0}'."),
- An_enum_member_cannot_have_a_numeric_name: diag(2452, ts.DiagnosticCategory.Error, "An_enum_member_cannot_have_a_numeric_name_2452", "An enum member cannot have a numeric name."),
- The_type_argument_for_type_parameter_0_cannot_be_inferred_from_the_usage_Consider_specifying_the_type_arguments_explicitly: diag(2453, ts.DiagnosticCategory.Error, "The_type_argument_for_type_parameter_0_cannot_be_inferred_from_the_usage_Consider_specifying_the_typ_2453", "The type argument for type parameter '{0}' cannot be inferred from the usage. Consider specifying the type arguments explicitly."),
- Variable_0_is_used_before_being_assigned: diag(2454, ts.DiagnosticCategory.Error, "Variable_0_is_used_before_being_assigned_2454", "Variable '{0}' is used before being assigned."),
- Type_argument_candidate_1_is_not_a_valid_type_argument_because_it_is_not_a_supertype_of_candidate_0: diag(2455, ts.DiagnosticCategory.Error, "Type_argument_candidate_1_is_not_a_valid_type_argument_because_it_is_not_a_supertype_of_candidate_0_2455", "Type argument candidate '{1}' is not a valid type argument because it is not a supertype of candidate '{0}'."),
- Type_alias_0_circularly_references_itself: diag(2456, ts.DiagnosticCategory.Error, "Type_alias_0_circularly_references_itself_2456", "Type alias '{0}' circularly references itself."),
- Type_alias_name_cannot_be_0: diag(2457, ts.DiagnosticCategory.Error, "Type_alias_name_cannot_be_0_2457", "Type alias name cannot be '{0}'."),
- An_AMD_module_cannot_have_multiple_name_assignments: diag(2458, ts.DiagnosticCategory.Error, "An_AMD_module_cannot_have_multiple_name_assignments_2458", "An AMD module cannot have multiple name assignments."),
- Module_0_declares_1_locally_but_it_is_not_exported: diag(2459, ts.DiagnosticCategory.Error, "Module_0_declares_1_locally_but_it_is_not_exported_2459", "Module '{0}' declares '{1}' locally, but it is not exported."),
- Module_0_declares_1_locally_but_it_is_exported_as_2: diag(2460, ts.DiagnosticCategory.Error, "Module_0_declares_1_locally_but_it_is_exported_as_2_2460", "Module '{0}' declares '{1}' locally, but it is exported as '{2}'."),
- Type_0_is_not_an_array_type: diag(2461, ts.DiagnosticCategory.Error, "Type_0_is_not_an_array_type_2461", "Type '{0}' is not an array type."),
- A_rest_element_must_be_last_in_a_destructuring_pattern: diag(2462, ts.DiagnosticCategory.Error, "A_rest_element_must_be_last_in_a_destructuring_pattern_2462", "A rest element must be last in a destructuring pattern."),
- A_binding_pattern_parameter_cannot_be_optional_in_an_implementation_signature: diag(2463, ts.DiagnosticCategory.Error, "A_binding_pattern_parameter_cannot_be_optional_in_an_implementation_signature_2463", "A binding pattern parameter cannot be optional in an implementation signature."),
- A_computed_property_name_must_be_of_type_string_number_symbol_or_any: diag(2464, ts.DiagnosticCategory.Error, "A_computed_property_name_must_be_of_type_string_number_symbol_or_any_2464", "A computed property name must be of type 'string', 'number', 'symbol', or 'any'."),
- this_cannot_be_referenced_in_a_computed_property_name: diag(2465, ts.DiagnosticCategory.Error, "this_cannot_be_referenced_in_a_computed_property_name_2465", "'this' cannot be referenced in a computed property name."),
- super_cannot_be_referenced_in_a_computed_property_name: diag(2466, ts.DiagnosticCategory.Error, "super_cannot_be_referenced_in_a_computed_property_name_2466", "'super' cannot be referenced in a computed property name."),
- A_computed_property_name_cannot_reference_a_type_parameter_from_its_containing_type: diag(2467, ts.DiagnosticCategory.Error, "A_computed_property_name_cannot_reference_a_type_parameter_from_its_containing_type_2467", "A computed property name cannot reference a type parameter from its containing type."),
- Cannot_find_global_value_0: diag(2468, ts.DiagnosticCategory.Error, "Cannot_find_global_value_0_2468", "Cannot find global value '{0}'."),
- The_0_operator_cannot_be_applied_to_type_symbol: diag(2469, ts.DiagnosticCategory.Error, "The_0_operator_cannot_be_applied_to_type_symbol_2469", "The '{0}' operator cannot be applied to type 'symbol'."),
- Symbol_reference_does_not_refer_to_the_global_Symbol_constructor_object: diag(2470, ts.DiagnosticCategory.Error, "Symbol_reference_does_not_refer_to_the_global_Symbol_constructor_object_2470", "'Symbol' reference does not refer to the global Symbol constructor object."),
- A_computed_property_name_of_the_form_0_must_be_of_type_symbol: diag(2471, ts.DiagnosticCategory.Error, "A_computed_property_name_of_the_form_0_must_be_of_type_symbol_2471", "A computed property name of the form '{0}' must be of type 'symbol'."),
- Spread_operator_in_new_expressions_is_only_available_when_targeting_ECMAScript_5_and_higher: diag(2472, ts.DiagnosticCategory.Error, "Spread_operator_in_new_expressions_is_only_available_when_targeting_ECMAScript_5_and_higher_2472", "Spread operator in 'new' expressions is only available when targeting ECMAScript 5 and higher."),
- Enum_declarations_must_all_be_const_or_non_const: diag(2473, ts.DiagnosticCategory.Error, "Enum_declarations_must_all_be_const_or_non_const_2473", "Enum declarations must all be const or non-const."),
- const_enum_member_initializers_can_only_contain_literal_values_and_other_computed_enum_values: diag(2474, ts.DiagnosticCategory.Error, "const_enum_member_initializers_can_only_contain_literal_values_and_other_computed_enum_values_2474", "const enum member initializers can only contain literal values and other computed enum values."),
- const_enums_can_only_be_used_in_property_or_index_access_expressions_or_the_right_hand_side_of_an_import_declaration_or_export_assignment_or_type_query: diag(2475, ts.DiagnosticCategory.Error, "const_enums_can_only_be_used_in_property_or_index_access_expressions_or_the_right_hand_side_of_an_im_2475", "'const' enums can only be used in property or index access expressions or the right hand side of an import declaration or export assignment or type query."),
- A_const_enum_member_can_only_be_accessed_using_a_string_literal: diag(2476, ts.DiagnosticCategory.Error, "A_const_enum_member_can_only_be_accessed_using_a_string_literal_2476", "A const enum member can only be accessed using a string literal."),
- const_enum_member_initializer_was_evaluated_to_a_non_finite_value: diag(2477, ts.DiagnosticCategory.Error, "const_enum_member_initializer_was_evaluated_to_a_non_finite_value_2477", "'const' enum member initializer was evaluated to a non-finite value."),
- const_enum_member_initializer_was_evaluated_to_disallowed_value_NaN: diag(2478, ts.DiagnosticCategory.Error, "const_enum_member_initializer_was_evaluated_to_disallowed_value_NaN_2478", "'const' enum member initializer was evaluated to disallowed value 'NaN'."),
- Property_0_does_not_exist_on_const_enum_1: diag(2479, ts.DiagnosticCategory.Error, "Property_0_does_not_exist_on_const_enum_1_2479", "Property '{0}' does not exist on 'const' enum '{1}'."),
- let_is_not_allowed_to_be_used_as_a_name_in_let_or_const_declarations: diag(2480, ts.DiagnosticCategory.Error, "let_is_not_allowed_to_be_used_as_a_name_in_let_or_const_declarations_2480", "'let' is not allowed to be used as a name in 'let' or 'const' declarations."),
- Cannot_initialize_outer_scoped_variable_0_in_the_same_scope_as_block_scoped_declaration_1: diag(2481, ts.DiagnosticCategory.Error, "Cannot_initialize_outer_scoped_variable_0_in_the_same_scope_as_block_scoped_declaration_1_2481", "Cannot initialize outer scoped variable '{0}' in the same scope as block scoped declaration '{1}'."),
- The_left_hand_side_of_a_for_of_statement_cannot_use_a_type_annotation: diag(2483, ts.DiagnosticCategory.Error, "The_left_hand_side_of_a_for_of_statement_cannot_use_a_type_annotation_2483", "The left-hand side of a 'for...of' statement cannot use a type annotation."),
- Export_declaration_conflicts_with_exported_declaration_of_0: diag(2484, ts.DiagnosticCategory.Error, "Export_declaration_conflicts_with_exported_declaration_of_0_2484", "Export declaration conflicts with exported declaration of '{0}'."),
- The_left_hand_side_of_a_for_of_statement_must_be_a_variable_or_a_property_access: diag(2487, ts.DiagnosticCategory.Error, "The_left_hand_side_of_a_for_of_statement_must_be_a_variable_or_a_property_access_2487", "The left-hand side of a 'for...of' statement must be a variable or a property access."),
- Type_0_must_have_a_Symbol_iterator_method_that_returns_an_iterator: diag(2488, ts.DiagnosticCategory.Error, "Type_0_must_have_a_Symbol_iterator_method_that_returns_an_iterator_2488", "Type '{0}' must have a '[Symbol.iterator]()' method that returns an iterator."),
- An_iterator_must_have_a_next_method: diag(2489, ts.DiagnosticCategory.Error, "An_iterator_must_have_a_next_method_2489", "An iterator must have a 'next()' method."),
- The_type_returned_by_the_0_method_of_an_iterator_must_have_a_value_property: diag(2490, ts.DiagnosticCategory.Error, "The_type_returned_by_the_0_method_of_an_iterator_must_have_a_value_property_2490", "The type returned by the '{0}()' method of an iterator must have a 'value' property."),
- The_left_hand_side_of_a_for_in_statement_cannot_be_a_destructuring_pattern: diag(2491, ts.DiagnosticCategory.Error, "The_left_hand_side_of_a_for_in_statement_cannot_be_a_destructuring_pattern_2491", "The left-hand side of a 'for...in' statement cannot be a destructuring pattern."),
- Cannot_redeclare_identifier_0_in_catch_clause: diag(2492, ts.DiagnosticCategory.Error, "Cannot_redeclare_identifier_0_in_catch_clause_2492", "Cannot redeclare identifier '{0}' in catch clause."),
- Tuple_type_0_of_length_1_has_no_element_at_index_2: diag(2493, ts.DiagnosticCategory.Error, "Tuple_type_0_of_length_1_has_no_element_at_index_2_2493", "Tuple type '{0}' of length '{1}' has no element at index '{2}'."),
- Using_a_string_in_a_for_of_statement_is_only_supported_in_ECMAScript_5_and_higher: diag(2494, ts.DiagnosticCategory.Error, "Using_a_string_in_a_for_of_statement_is_only_supported_in_ECMAScript_5_and_higher_2494", "Using a string in a 'for...of' statement is only supported in ECMAScript 5 and higher."),
- Type_0_is_not_an_array_type_or_a_string_type: diag(2495, ts.DiagnosticCategory.Error, "Type_0_is_not_an_array_type_or_a_string_type_2495", "Type '{0}' is not an array type or a string type."),
- The_arguments_object_cannot_be_referenced_in_an_arrow_function_in_ES3_and_ES5_Consider_using_a_standard_function_expression: diag(2496, ts.DiagnosticCategory.Error, "The_arguments_object_cannot_be_referenced_in_an_arrow_function_in_ES3_and_ES5_Consider_using_a_stand_2496", "The 'arguments' object cannot be referenced in an arrow function in ES3 and ES5. Consider using a standard function expression."),
- This_module_can_only_be_referenced_with_ECMAScript_imports_Slashexports_by_turning_on_the_0_flag_and_referencing_its_default_export: diag(2497, ts.DiagnosticCategory.Error, "This_module_can_only_be_referenced_with_ECMAScript_imports_Slashexports_by_turning_on_the_0_flag_and_2497", "This module can only be referenced with ECMAScript imports/exports by turning on the '{0}' flag and referencing its default export."),
- Module_0_uses_export_and_cannot_be_used_with_export_Asterisk: diag(2498, ts.DiagnosticCategory.Error, "Module_0_uses_export_and_cannot_be_used_with_export_Asterisk_2498", "Module '{0}' uses 'export =' and cannot be used with 'export *'."),
- An_interface_can_only_extend_an_identifier_Slashqualified_name_with_optional_type_arguments: diag(2499, ts.DiagnosticCategory.Error, "An_interface_can_only_extend_an_identifier_Slashqualified_name_with_optional_type_arguments_2499", "An interface can only extend an identifier/qualified-name with optional type arguments."),
- A_class_can_only_implement_an_identifier_Slashqualified_name_with_optional_type_arguments: diag(2500, ts.DiagnosticCategory.Error, "A_class_can_only_implement_an_identifier_Slashqualified_name_with_optional_type_arguments_2500", "A class can only implement an identifier/qualified-name with optional type arguments."),
- A_rest_element_cannot_contain_a_binding_pattern: diag(2501, ts.DiagnosticCategory.Error, "A_rest_element_cannot_contain_a_binding_pattern_2501", "A rest element cannot contain a binding pattern."),
- _0_is_referenced_directly_or_indirectly_in_its_own_type_annotation: diag(2502, ts.DiagnosticCategory.Error, "_0_is_referenced_directly_or_indirectly_in_its_own_type_annotation_2502", "'{0}' is referenced directly or indirectly in its own type annotation."),
- Cannot_find_namespace_0: diag(2503, ts.DiagnosticCategory.Error, "Cannot_find_namespace_0_2503", "Cannot find namespace '{0}'."),
- Type_0_must_have_a_Symbol_asyncIterator_method_that_returns_an_async_iterator: diag(2504, ts.DiagnosticCategory.Error, "Type_0_must_have_a_Symbol_asyncIterator_method_that_returns_an_async_iterator_2504", "Type '{0}' must have a '[Symbol.asyncIterator]()' method that returns an async iterator."),
- A_generator_cannot_have_a_void_type_annotation: diag(2505, ts.DiagnosticCategory.Error, "A_generator_cannot_have_a_void_type_annotation_2505", "A generator cannot have a 'void' type annotation."),
- _0_is_referenced_directly_or_indirectly_in_its_own_base_expression: diag(2506, ts.DiagnosticCategory.Error, "_0_is_referenced_directly_or_indirectly_in_its_own_base_expression_2506", "'{0}' is referenced directly or indirectly in its own base expression."),
- Type_0_is_not_a_constructor_function_type: diag(2507, ts.DiagnosticCategory.Error, "Type_0_is_not_a_constructor_function_type_2507", "Type '{0}' is not a constructor function type."),
- No_base_constructor_has_the_specified_number_of_type_arguments: diag(2508, ts.DiagnosticCategory.Error, "No_base_constructor_has_the_specified_number_of_type_arguments_2508", "No base constructor has the specified number of type arguments."),
- Base_constructor_return_type_0_is_not_an_object_type_or_intersection_of_object_types_with_statically_known_members: diag(2509, ts.DiagnosticCategory.Error, "Base_constructor_return_type_0_is_not_an_object_type_or_intersection_of_object_types_with_statically_2509", "Base constructor return type '{0}' is not an object type or intersection of object types with statically known members."),
- Base_constructors_must_all_have_the_same_return_type: diag(2510, ts.DiagnosticCategory.Error, "Base_constructors_must_all_have_the_same_return_type_2510", "Base constructors must all have the same return type."),
- Cannot_create_an_instance_of_an_abstract_class: diag(2511, ts.DiagnosticCategory.Error, "Cannot_create_an_instance_of_an_abstract_class_2511", "Cannot create an instance of an abstract class."),
- Overload_signatures_must_all_be_abstract_or_non_abstract: diag(2512, ts.DiagnosticCategory.Error, "Overload_signatures_must_all_be_abstract_or_non_abstract_2512", "Overload signatures must all be abstract or non-abstract."),
- Abstract_method_0_in_class_1_cannot_be_accessed_via_super_expression: diag(2513, ts.DiagnosticCategory.Error, "Abstract_method_0_in_class_1_cannot_be_accessed_via_super_expression_2513", "Abstract method '{0}' in class '{1}' cannot be accessed via super expression."),
- Classes_containing_abstract_methods_must_be_marked_abstract: diag(2514, ts.DiagnosticCategory.Error, "Classes_containing_abstract_methods_must_be_marked_abstract_2514", "Classes containing abstract methods must be marked abstract."),
- Non_abstract_class_0_does_not_implement_inherited_abstract_member_1_from_class_2: diag(2515, ts.DiagnosticCategory.Error, "Non_abstract_class_0_does_not_implement_inherited_abstract_member_1_from_class_2_2515", "Non-abstract class '{0}' does not implement inherited abstract member '{1}' from class '{2}'."),
- All_declarations_of_an_abstract_method_must_be_consecutive: diag(2516, ts.DiagnosticCategory.Error, "All_declarations_of_an_abstract_method_must_be_consecutive_2516", "All declarations of an abstract method must be consecutive."),
- Cannot_assign_an_abstract_constructor_type_to_a_non_abstract_constructor_type: diag(2517, ts.DiagnosticCategory.Error, "Cannot_assign_an_abstract_constructor_type_to_a_non_abstract_constructor_type_2517", "Cannot assign an abstract constructor type to a non-abstract constructor type."),
- A_this_based_type_guard_is_not_compatible_with_a_parameter_based_type_guard: diag(2518, ts.DiagnosticCategory.Error, "A_this_based_type_guard_is_not_compatible_with_a_parameter_based_type_guard_2518", "A 'this'-based type guard is not compatible with a parameter-based type guard."),
- An_async_iterator_must_have_a_next_method: diag(2519, ts.DiagnosticCategory.Error, "An_async_iterator_must_have_a_next_method_2519", "An async iterator must have a 'next()' method."),
- Duplicate_identifier_0_Compiler_uses_declaration_1_to_support_async_functions: diag(2520, ts.DiagnosticCategory.Error, "Duplicate_identifier_0_Compiler_uses_declaration_1_to_support_async_functions_2520", "Duplicate identifier '{0}'. Compiler uses declaration '{1}' to support async functions."),
- Expression_resolves_to_variable_declaration_0_that_compiler_uses_to_support_async_functions: diag(2521, ts.DiagnosticCategory.Error, "Expression_resolves_to_variable_declaration_0_that_compiler_uses_to_support_async_functions_2521", "Expression resolves to variable declaration '{0}' that compiler uses to support async functions."),
- The_arguments_object_cannot_be_referenced_in_an_async_function_or_method_in_ES3_and_ES5_Consider_using_a_standard_function_or_method: diag(2522, ts.DiagnosticCategory.Error, "The_arguments_object_cannot_be_referenced_in_an_async_function_or_method_in_ES3_and_ES5_Consider_usi_2522", "The 'arguments' object cannot be referenced in an async function or method in ES3 and ES5. Consider using a standard function or method."),
- yield_expressions_cannot_be_used_in_a_parameter_initializer: diag(2523, ts.DiagnosticCategory.Error, "yield_expressions_cannot_be_used_in_a_parameter_initializer_2523", "'yield' expressions cannot be used in a parameter initializer."),
- await_expressions_cannot_be_used_in_a_parameter_initializer: diag(2524, ts.DiagnosticCategory.Error, "await_expressions_cannot_be_used_in_a_parameter_initializer_2524", "'await' expressions cannot be used in a parameter initializer."),
- Initializer_provides_no_value_for_this_binding_element_and_the_binding_element_has_no_default_value: diag(2525, ts.DiagnosticCategory.Error, "Initializer_provides_no_value_for_this_binding_element_and_the_binding_element_has_no_default_value_2525", "Initializer provides no value for this binding element and the binding element has no default value."),
- A_this_type_is_available_only_in_a_non_static_member_of_a_class_or_interface: diag(2526, ts.DiagnosticCategory.Error, "A_this_type_is_available_only_in_a_non_static_member_of_a_class_or_interface_2526", "A 'this' type is available only in a non-static member of a class or interface."),
- The_inferred_type_of_0_references_an_inaccessible_1_type_A_type_annotation_is_necessary: diag(2527, ts.DiagnosticCategory.Error, "The_inferred_type_of_0_references_an_inaccessible_1_type_A_type_annotation_is_necessary_2527", "The inferred type of '{0}' references an inaccessible '{1}' type. A type annotation is necessary."),
- A_module_cannot_have_multiple_default_exports: diag(2528, ts.DiagnosticCategory.Error, "A_module_cannot_have_multiple_default_exports_2528", "A module cannot have multiple default exports."),
- Duplicate_identifier_0_Compiler_reserves_name_1_in_top_level_scope_of_a_module_containing_async_functions: diag(2529, ts.DiagnosticCategory.Error, "Duplicate_identifier_0_Compiler_reserves_name_1_in_top_level_scope_of_a_module_containing_async_func_2529", "Duplicate identifier '{0}'. Compiler reserves name '{1}' in top level scope of a module containing async functions."),
- Property_0_is_incompatible_with_index_signature: diag(2530, ts.DiagnosticCategory.Error, "Property_0_is_incompatible_with_index_signature_2530", "Property '{0}' is incompatible with index signature."),
- Object_is_possibly_null: diag(2531, ts.DiagnosticCategory.Error, "Object_is_possibly_null_2531", "Object is possibly 'null'."),
- Object_is_possibly_undefined: diag(2532, ts.DiagnosticCategory.Error, "Object_is_possibly_undefined_2532", "Object is possibly 'undefined'."),
- Object_is_possibly_null_or_undefined: diag(2533, ts.DiagnosticCategory.Error, "Object_is_possibly_null_or_undefined_2533", "Object is possibly 'null' or 'undefined'."),
- A_function_returning_never_cannot_have_a_reachable_end_point: diag(2534, ts.DiagnosticCategory.Error, "A_function_returning_never_cannot_have_a_reachable_end_point_2534", "A function returning 'never' cannot have a reachable end point."),
- Enum_type_0_has_members_with_initializers_that_are_not_literals: diag(2535, ts.DiagnosticCategory.Error, "Enum_type_0_has_members_with_initializers_that_are_not_literals_2535", "Enum type '{0}' has members with initializers that are not literals."),
- Type_0_cannot_be_used_to_index_type_1: diag(2536, ts.DiagnosticCategory.Error, "Type_0_cannot_be_used_to_index_type_1_2536", "Type '{0}' cannot be used to index type '{1}'."),
- Type_0_has_no_matching_index_signature_for_type_1: diag(2537, ts.DiagnosticCategory.Error, "Type_0_has_no_matching_index_signature_for_type_1_2537", "Type '{0}' has no matching index signature for type '{1}'."),
- Type_0_cannot_be_used_as_an_index_type: diag(2538, ts.DiagnosticCategory.Error, "Type_0_cannot_be_used_as_an_index_type_2538", "Type '{0}' cannot be used as an index type."),
- Cannot_assign_to_0_because_it_is_not_a_variable: diag(2539, ts.DiagnosticCategory.Error, "Cannot_assign_to_0_because_it_is_not_a_variable_2539", "Cannot assign to '{0}' because it is not a variable."),
- Cannot_assign_to_0_because_it_is_a_read_only_property: diag(2540, ts.DiagnosticCategory.Error, "Cannot_assign_to_0_because_it_is_a_read_only_property_2540", "Cannot assign to '{0}' because it is a read-only property."),
- The_target_of_an_assignment_must_be_a_variable_or_a_property_access: diag(2541, ts.DiagnosticCategory.Error, "The_target_of_an_assignment_must_be_a_variable_or_a_property_access_2541", "The target of an assignment must be a variable or a property access."),
- Index_signature_in_type_0_only_permits_reading: diag(2542, ts.DiagnosticCategory.Error, "Index_signature_in_type_0_only_permits_reading_2542", "Index signature in type '{0}' only permits reading."),
- Duplicate_identifier_newTarget_Compiler_uses_variable_declaration_newTarget_to_capture_new_target_meta_property_reference: diag(2543, ts.DiagnosticCategory.Error, "Duplicate_identifier_newTarget_Compiler_uses_variable_declaration_newTarget_to_capture_new_target_me_2543", "Duplicate identifier '_newTarget'. Compiler uses variable declaration '_newTarget' to capture 'new.target' meta-property reference."),
- Expression_resolves_to_variable_declaration_newTarget_that_compiler_uses_to_capture_new_target_meta_property_reference: diag(2544, ts.DiagnosticCategory.Error, "Expression_resolves_to_variable_declaration_newTarget_that_compiler_uses_to_capture_new_target_meta__2544", "Expression resolves to variable declaration '_newTarget' that compiler uses to capture 'new.target' meta-property reference."),
- A_mixin_class_must_have_a_constructor_with_a_single_rest_parameter_of_type_any: diag(2545, ts.DiagnosticCategory.Error, "A_mixin_class_must_have_a_constructor_with_a_single_rest_parameter_of_type_any_2545", "A mixin class must have a constructor with a single rest parameter of type 'any[]'."),
- The_type_returned_by_the_0_method_of_an_async_iterator_must_be_a_promise_for_a_type_with_a_value_property: diag(2547, ts.DiagnosticCategory.Error, "The_type_returned_by_the_0_method_of_an_async_iterator_must_be_a_promise_for_a_type_with_a_value_pro_2547", "The type returned by the '{0}()' method of an async iterator must be a promise for a type with a 'value' property."),
- Type_0_is_not_an_array_type_or_does_not_have_a_Symbol_iterator_method_that_returns_an_iterator: diag(2548, ts.DiagnosticCategory.Error, "Type_0_is_not_an_array_type_or_does_not_have_a_Symbol_iterator_method_that_returns_an_iterator_2548", "Type '{0}' is not an array type or does not have a '[Symbol.iterator]()' method that returns an iterator."),
- Type_0_is_not_an_array_type_or_a_string_type_or_does_not_have_a_Symbol_iterator_method_that_returns_an_iterator: diag(2549, ts.DiagnosticCategory.Error, "Type_0_is_not_an_array_type_or_a_string_type_or_does_not_have_a_Symbol_iterator_method_that_returns__2549", "Type '{0}' is not an array type or a string type or does not have a '[Symbol.iterator]()' method that returns an iterator."),
- Property_0_does_not_exist_on_type_1_Did_you_mean_2: diag(2551, ts.DiagnosticCategory.Error, "Property_0_does_not_exist_on_type_1_Did_you_mean_2_2551", "Property '{0}' does not exist on type '{1}'. Did you mean '{2}'?"),
- Cannot_find_name_0_Did_you_mean_1: diag(2552, ts.DiagnosticCategory.Error, "Cannot_find_name_0_Did_you_mean_1_2552", "Cannot find name '{0}'. Did you mean '{1}'?"),
- Computed_values_are_not_permitted_in_an_enum_with_string_valued_members: diag(2553, ts.DiagnosticCategory.Error, "Computed_values_are_not_permitted_in_an_enum_with_string_valued_members_2553", "Computed values are not permitted in an enum with string valued members."),
- Expected_0_arguments_but_got_1: diag(2554, ts.DiagnosticCategory.Error, "Expected_0_arguments_but_got_1_2554", "Expected {0} arguments, but got {1}."),
- Expected_at_least_0_arguments_but_got_1: diag(2555, ts.DiagnosticCategory.Error, "Expected_at_least_0_arguments_but_got_1_2555", "Expected at least {0} arguments, but got {1}."),
- Expected_0_arguments_but_got_1_or_more: diag(2556, ts.DiagnosticCategory.Error, "Expected_0_arguments_but_got_1_or_more_2556", "Expected {0} arguments, but got {1} or more."),
- Expected_at_least_0_arguments_but_got_1_or_more: diag(2557, ts.DiagnosticCategory.Error, "Expected_at_least_0_arguments_but_got_1_or_more_2557", "Expected at least {0} arguments, but got {1} or more."),
- Expected_0_type_arguments_but_got_1: diag(2558, ts.DiagnosticCategory.Error, "Expected_0_type_arguments_but_got_1_2558", "Expected {0} type arguments, but got {1}."),
- Type_0_has_no_properties_in_common_with_type_1: diag(2559, ts.DiagnosticCategory.Error, "Type_0_has_no_properties_in_common_with_type_1_2559", "Type '{0}' has no properties in common with type '{1}'."),
- Value_of_type_0_has_no_properties_in_common_with_type_1_Did_you_mean_to_call_it: diag(2560, ts.DiagnosticCategory.Error, "Value_of_type_0_has_no_properties_in_common_with_type_1_Did_you_mean_to_call_it_2560", "Value of type '{0}' has no properties in common with type '{1}'. Did you mean to call it?"),
- Object_literal_may_only_specify_known_properties_but_0_does_not_exist_in_type_1_Did_you_mean_to_write_2: diag(2561, ts.DiagnosticCategory.Error, "Object_literal_may_only_specify_known_properties_but_0_does_not_exist_in_type_1_Did_you_mean_to_writ_2561", "Object literal may only specify known properties, but '{0}' does not exist in type '{1}'. Did you mean to write '{2}'?"),
- Base_class_expressions_cannot_reference_class_type_parameters: diag(2562, ts.DiagnosticCategory.Error, "Base_class_expressions_cannot_reference_class_type_parameters_2562", "Base class expressions cannot reference class type parameters."),
- The_containing_function_or_module_body_is_too_large_for_control_flow_analysis: diag(2563, ts.DiagnosticCategory.Error, "The_containing_function_or_module_body_is_too_large_for_control_flow_analysis_2563", "The containing function or module body is too large for control flow analysis."),
- Property_0_has_no_initializer_and_is_not_definitely_assigned_in_the_constructor: diag(2564, ts.DiagnosticCategory.Error, "Property_0_has_no_initializer_and_is_not_definitely_assigned_in_the_constructor_2564", "Property '{0}' has no initializer and is not definitely assigned in the constructor."),
- Property_0_is_used_before_being_assigned: diag(2565, ts.DiagnosticCategory.Error, "Property_0_is_used_before_being_assigned_2565", "Property '{0}' is used before being assigned."),
- A_rest_element_cannot_have_a_property_name: diag(2566, ts.DiagnosticCategory.Error, "A_rest_element_cannot_have_a_property_name_2566", "A rest element cannot have a property name."),
- Enum_declarations_can_only_merge_with_namespace_or_other_enum_declarations: diag(2567, ts.DiagnosticCategory.Error, "Enum_declarations_can_only_merge_with_namespace_or_other_enum_declarations_2567", "Enum declarations can only merge with namespace or other enum declarations."),
- Type_0_is_not_an_array_type_or_a_string_type_Use_compiler_option_downlevelIteration_to_allow_iterating_of_iterators: diag(2569, ts.DiagnosticCategory.Error, "Type_0_is_not_an_array_type_or_a_string_type_Use_compiler_option_downlevelIteration_to_allow_iterati_2569", "Type '{0}' is not an array type or a string type. Use compiler option '--downlevelIteration' to allow iterating of iterators."),
- Object_is_of_type_unknown: diag(2571, ts.DiagnosticCategory.Error, "Object_is_of_type_unknown_2571", "Object is of type 'unknown'."),
- Rest_signatures_are_incompatible: diag(2572, ts.DiagnosticCategory.Error, "Rest_signatures_are_incompatible_2572", "Rest signatures are incompatible."),
- Property_0_is_incompatible_with_rest_element_type: diag(2573, ts.DiagnosticCategory.Error, "Property_0_is_incompatible_with_rest_element_type_2573", "Property '{0}' is incompatible with rest element type."),
- A_rest_element_type_must_be_an_array_type: diag(2574, ts.DiagnosticCategory.Error, "A_rest_element_type_must_be_an_array_type_2574", "A rest element type must be an array type."),
- No_overload_expects_0_arguments_but_overloads_do_exist_that_expect_either_1_or_2_arguments: diag(2575, ts.DiagnosticCategory.Error, "No_overload_expects_0_arguments_but_overloads_do_exist_that_expect_either_1_or_2_arguments_2575", "No overload expects {0} arguments, but overloads do exist that expect either {1} or {2} arguments."),
- Property_0_is_a_static_member_of_type_1: diag(2576, ts.DiagnosticCategory.Error, "Property_0_is_a_static_member_of_type_1_2576", "Property '{0}' is a static member of type '{1}'"),
- Return_type_annotation_circularly_references_itself: diag(2577, ts.DiagnosticCategory.Error, "Return_type_annotation_circularly_references_itself_2577", "Return type annotation circularly references itself."),
- Unused_ts_expect_error_directive: diag(2578, ts.DiagnosticCategory.Error, "Unused_ts_expect_error_directive_2578", "Unused '@ts-expect-error' directive."),
- Cannot_find_name_0_Do_you_need_to_install_type_definitions_for_node_Try_npm_i_types_Slashnode: diag(2580, ts.DiagnosticCategory.Error, "Cannot_find_name_0_Do_you_need_to_install_type_definitions_for_node_Try_npm_i_types_Slashnode_2580", "Cannot find name '{0}'. Do you need to install type definitions for node? Try `npm i @types/node`."),
- Cannot_find_name_0_Do_you_need_to_install_type_definitions_for_jQuery_Try_npm_i_types_Slashjquery: diag(2581, ts.DiagnosticCategory.Error, "Cannot_find_name_0_Do_you_need_to_install_type_definitions_for_jQuery_Try_npm_i_types_Slashjquery_2581", "Cannot find name '{0}'. Do you need to install type definitions for jQuery? Try `npm i @types/jquery`."),
- Cannot_find_name_0_Do_you_need_to_install_type_definitions_for_a_test_runner_Try_npm_i_types_Slashjest_or_npm_i_types_Slashmocha: diag(2582, ts.DiagnosticCategory.Error, "Cannot_find_name_0_Do_you_need_to_install_type_definitions_for_a_test_runner_Try_npm_i_types_Slashje_2582", "Cannot find name '{0}'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha`."),
- Cannot_find_name_0_Do_you_need_to_change_your_target_library_Try_changing_the_lib_compiler_option_to_es2015_or_later: diag(2583, ts.DiagnosticCategory.Error, "Cannot_find_name_0_Do_you_need_to_change_your_target_library_Try_changing_the_lib_compiler_option_to_2583", "Cannot find name '{0}'. Do you need to change your target library? Try changing the `lib` compiler option to es2015 or later."),
- Cannot_find_name_0_Do_you_need_to_change_your_target_library_Try_changing_the_lib_compiler_option_to_include_dom: diag(2584, ts.DiagnosticCategory.Error, "Cannot_find_name_0_Do_you_need_to_change_your_target_library_Try_changing_the_lib_compiler_option_to_2584", "Cannot find name '{0}'. Do you need to change your target library? Try changing the `lib` compiler option to include 'dom'."),
- _0_only_refers_to_a_type_but_is_being_used_as_a_value_here_Do_you_need_to_change_your_target_library_Try_changing_the_lib_compiler_option_to_es2015_or_later: diag(2585, ts.DiagnosticCategory.Error, "_0_only_refers_to_a_type_but_is_being_used_as_a_value_here_Do_you_need_to_change_your_target_library_2585", "'{0}' only refers to a type, but is being used as a value here. Do you need to change your target library? Try changing the `lib` compiler option to es2015 or later."),
- Enum_type_0_circularly_references_itself: diag(2586, ts.DiagnosticCategory.Error, "Enum_type_0_circularly_references_itself_2586", "Enum type '{0}' circularly references itself."),
- JSDoc_type_0_circularly_references_itself: diag(2587, ts.DiagnosticCategory.Error, "JSDoc_type_0_circularly_references_itself_2587", "JSDoc type '{0}' circularly references itself."),
- Cannot_assign_to_0_because_it_is_a_constant: diag(2588, ts.DiagnosticCategory.Error, "Cannot_assign_to_0_because_it_is_a_constant_2588", "Cannot assign to '{0}' because it is a constant."),
- Type_instantiation_is_excessively_deep_and_possibly_infinite: diag(2589, ts.DiagnosticCategory.Error, "Type_instantiation_is_excessively_deep_and_possibly_infinite_2589", "Type instantiation is excessively deep and possibly infinite."),
- Expression_produces_a_union_type_that_is_too_complex_to_represent: diag(2590, ts.DiagnosticCategory.Error, "Expression_produces_a_union_type_that_is_too_complex_to_represent_2590", "Expression produces a union type that is too complex to represent."),
- Cannot_find_name_0_Do_you_need_to_install_type_definitions_for_node_Try_npm_i_types_Slashnode_and_then_add_node_to_the_types_field_in_your_tsconfig: diag(2591, ts.DiagnosticCategory.Error, "Cannot_find_name_0_Do_you_need_to_install_type_definitions_for_node_Try_npm_i_types_Slashnode_and_th_2591", "Cannot find name '{0}'. Do you need to install type definitions for node? Try `npm i @types/node` and then add `node` to the types field in your tsconfig."),
- Cannot_find_name_0_Do_you_need_to_install_type_definitions_for_jQuery_Try_npm_i_types_Slashjquery_and_then_add_jquery_to_the_types_field_in_your_tsconfig: diag(2592, ts.DiagnosticCategory.Error, "Cannot_find_name_0_Do_you_need_to_install_type_definitions_for_jQuery_Try_npm_i_types_Slashjquery_an_2592", "Cannot find name '{0}'. Do you need to install type definitions for jQuery? Try `npm i @types/jquery` and then add `jquery` to the types field in your tsconfig."),
- Cannot_find_name_0_Do_you_need_to_install_type_definitions_for_a_test_runner_Try_npm_i_types_Slashjest_or_npm_i_types_Slashmocha_and_then_add_jest_or_mocha_to_the_types_field_in_your_tsconfig: diag(2593, ts.DiagnosticCategory.Error, "Cannot_find_name_0_Do_you_need_to_install_type_definitions_for_a_test_runner_Try_npm_i_types_Slashje_2593", "Cannot find name '{0}'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig."),
- This_module_is_declared_with_using_export_and_can_only_be_used_with_a_default_import_when_using_the_0_flag: diag(2594, ts.DiagnosticCategory.Error, "This_module_is_declared_with_using_export_and_can_only_be_used_with_a_default_import_when_using_the__2594", "This module is declared with using 'export =', and can only be used with a default import when using the '{0}' flag."),
- _0_can_only_be_imported_by_using_a_default_import: diag(2595, ts.DiagnosticCategory.Error, "_0_can_only_be_imported_by_using_a_default_import_2595", "'{0}' can only be imported by using a default import."),
- _0_can_only_be_imported_by_turning_on_the_esModuleInterop_flag_and_using_a_default_import: diag(2596, ts.DiagnosticCategory.Error, "_0_can_only_be_imported_by_turning_on_the_esModuleInterop_flag_and_using_a_default_import_2596", "'{0}' can only be imported by turning on the 'esModuleInterop' flag and using a default import."),
- _0_can_only_be_imported_by_using_a_require_call_or_by_using_a_default_import: diag(2597, ts.DiagnosticCategory.Error, "_0_can_only_be_imported_by_using_a_require_call_or_by_using_a_default_import_2597", "'{0}' can only be imported by using a 'require' call or by using a default import."),
- _0_can_only_be_imported_by_using_a_require_call_or_by_turning_on_the_esModuleInterop_flag_and_using_a_default_import: diag(2598, ts.DiagnosticCategory.Error, "_0_can_only_be_imported_by_using_a_require_call_or_by_turning_on_the_esModuleInterop_flag_and_using__2598", "'{0}' can only be imported by using a 'require' call or by turning on the 'esModuleInterop' flag and using a default import."),
- JSX_element_attributes_type_0_may_not_be_a_union_type: diag(2600, ts.DiagnosticCategory.Error, "JSX_element_attributes_type_0_may_not_be_a_union_type_2600", "JSX element attributes type '{0}' may not be a union type."),
- The_return_type_of_a_JSX_element_constructor_must_return_an_object_type: diag(2601, ts.DiagnosticCategory.Error, "The_return_type_of_a_JSX_element_constructor_must_return_an_object_type_2601", "The return type of a JSX element constructor must return an object type."),
- JSX_element_implicitly_has_type_any_because_the_global_type_JSX_Element_does_not_exist: diag(2602, ts.DiagnosticCategory.Error, "JSX_element_implicitly_has_type_any_because_the_global_type_JSX_Element_does_not_exist_2602", "JSX element implicitly has type 'any' because the global type 'JSX.Element' does not exist."),
- Property_0_in_type_1_is_not_assignable_to_type_2: diag(2603, ts.DiagnosticCategory.Error, "Property_0_in_type_1_is_not_assignable_to_type_2_2603", "Property '{0}' in type '{1}' is not assignable to type '{2}'."),
- JSX_element_type_0_does_not_have_any_construct_or_call_signatures: diag(2604, ts.DiagnosticCategory.Error, "JSX_element_type_0_does_not_have_any_construct_or_call_signatures_2604", "JSX element type '{0}' does not have any construct or call signatures."),
- JSX_element_type_0_is_not_a_constructor_function_for_JSX_elements: diag(2605, ts.DiagnosticCategory.Error, "JSX_element_type_0_is_not_a_constructor_function_for_JSX_elements_2605", "JSX element type '{0}' is not a constructor function for JSX elements."),
- Property_0_of_JSX_spread_attribute_is_not_assignable_to_target_property: diag(2606, ts.DiagnosticCategory.Error, "Property_0_of_JSX_spread_attribute_is_not_assignable_to_target_property_2606", "Property '{0}' of JSX spread attribute is not assignable to target property."),
- JSX_element_class_does_not_support_attributes_because_it_does_not_have_a_0_property: diag(2607, ts.DiagnosticCategory.Error, "JSX_element_class_does_not_support_attributes_because_it_does_not_have_a_0_property_2607", "JSX element class does not support attributes because it does not have a '{0}' property."),
- The_global_type_JSX_0_may_not_have_more_than_one_property: diag(2608, ts.DiagnosticCategory.Error, "The_global_type_JSX_0_may_not_have_more_than_one_property_2608", "The global type 'JSX.{0}' may not have more than one property."),
- JSX_spread_child_must_be_an_array_type: diag(2609, ts.DiagnosticCategory.Error, "JSX_spread_child_must_be_an_array_type_2609", "JSX spread child must be an array type."),
- _0_is_defined_as_an_accessor_in_class_1_but_is_overridden_here_in_2_as_an_instance_property: diag(2610, ts.DiagnosticCategory.Error, "_0_is_defined_as_an_accessor_in_class_1_but_is_overridden_here_in_2_as_an_instance_property_2610", "'{0}' is defined as an accessor in class '{1}', but is overridden here in '{2}' as an instance property."),
- _0_is_defined_as_a_property_in_class_1_but_is_overridden_here_in_2_as_an_accessor: diag(2611, ts.DiagnosticCategory.Error, "_0_is_defined_as_a_property_in_class_1_but_is_overridden_here_in_2_as_an_accessor_2611", "'{0}' is defined as a property in class '{1}', but is overridden here in '{2}' as an accessor."),
- Property_0_will_overwrite_the_base_property_in_1_If_this_is_intentional_add_an_initializer_Otherwise_add_a_declare_modifier_or_remove_the_redundant_declaration: diag(2612, ts.DiagnosticCategory.Error, "Property_0_will_overwrite_the_base_property_in_1_If_this_is_intentional_add_an_initializer_Otherwise_2612", "Property '{0}' will overwrite the base property in '{1}'. If this is intentional, add an initializer. Otherwise, add a 'declare' modifier or remove the redundant declaration."),
- Module_0_has_no_default_export_Did_you_mean_to_use_import_1_from_0_instead: diag(2613, ts.DiagnosticCategory.Error, "Module_0_has_no_default_export_Did_you_mean_to_use_import_1_from_0_instead_2613", "Module '{0}' has no default export. Did you mean to use 'import { {1} } from {0}' instead?"),
- Module_0_has_no_exported_member_1_Did_you_mean_to_use_import_1_from_0_instead: diag(2614, ts.DiagnosticCategory.Error, "Module_0_has_no_exported_member_1_Did_you_mean_to_use_import_1_from_0_instead_2614", "Module '{0}' has no exported member '{1}'. Did you mean to use 'import {1} from {0}' instead?"),
- Type_of_property_0_circularly_references_itself_in_mapped_type_1: diag(2615, ts.DiagnosticCategory.Error, "Type_of_property_0_circularly_references_itself_in_mapped_type_1_2615", "Type of property '{0}' circularly references itself in mapped type '{1}'."),
- _0_can_only_be_imported_by_using_import_1_require_2_or_a_default_import: diag(2616, ts.DiagnosticCategory.Error, "_0_can_only_be_imported_by_using_import_1_require_2_or_a_default_import_2616", "'{0}' can only be imported by using 'import {1} = require({2})' or a default import."),
- _0_can_only_be_imported_by_using_import_1_require_2_or_by_turning_on_the_esModuleInterop_flag_and_using_a_default_import: diag(2617, ts.DiagnosticCategory.Error, "_0_can_only_be_imported_by_using_import_1_require_2_or_by_turning_on_the_esModuleInterop_flag_and_us_2617", "'{0}' can only be imported by using 'import {1} = require({2})' or by turning on the 'esModuleInterop' flag and using a default import."),
- Cannot_augment_module_0_with_value_exports_because_it_resolves_to_a_non_module_entity: diag(2649, ts.DiagnosticCategory.Error, "Cannot_augment_module_0_with_value_exports_because_it_resolves_to_a_non_module_entity_2649", "Cannot augment module '{0}' with value exports because it resolves to a non-module entity."),
- A_member_initializer_in_a_enum_declaration_cannot_reference_members_declared_after_it_including_members_defined_in_other_enums: diag(2651, ts.DiagnosticCategory.Error, "A_member_initializer_in_a_enum_declaration_cannot_reference_members_declared_after_it_including_memb_2651", "A member initializer in a enum declaration cannot reference members declared after it, including members defined in other enums."),
- Merged_declaration_0_cannot_include_a_default_export_declaration_Consider_adding_a_separate_export_default_0_declaration_instead: diag(2652, ts.DiagnosticCategory.Error, "Merged_declaration_0_cannot_include_a_default_export_declaration_Consider_adding_a_separate_export_d_2652", "Merged declaration '{0}' cannot include a default export declaration. Consider adding a separate 'export default {0}' declaration instead."),
- Non_abstract_class_expression_does_not_implement_inherited_abstract_member_0_from_class_1: diag(2653, ts.DiagnosticCategory.Error, "Non_abstract_class_expression_does_not_implement_inherited_abstract_member_0_from_class_1_2653", "Non-abstract class expression does not implement inherited abstract member '{0}' from class '{1}'."),
- Exported_external_package_typings_file_cannot_contain_tripleslash_references_Please_contact_the_package_author_to_update_the_package_definition: diag(2654, ts.DiagnosticCategory.Error, "Exported_external_package_typings_file_cannot_contain_tripleslash_references_Please_contact_the_pack_2654", "Exported external package typings file cannot contain tripleslash references. Please contact the package author to update the package definition."),
- Exported_external_package_typings_file_0_is_not_a_module_Please_contact_the_package_author_to_update_the_package_definition: diag(2656, ts.DiagnosticCategory.Error, "Exported_external_package_typings_file_0_is_not_a_module_Please_contact_the_package_author_to_update_2656", "Exported external package typings file '{0}' is not a module. Please contact the package author to update the package definition."),
- JSX_expressions_must_have_one_parent_element: diag(2657, ts.DiagnosticCategory.Error, "JSX_expressions_must_have_one_parent_element_2657", "JSX expressions must have one parent element."),
- Type_0_provides_no_match_for_the_signature_1: diag(2658, ts.DiagnosticCategory.Error, "Type_0_provides_no_match_for_the_signature_1_2658", "Type '{0}' provides no match for the signature '{1}'."),
- super_is_only_allowed_in_members_of_object_literal_expressions_when_option_target_is_ES2015_or_higher: diag(2659, ts.DiagnosticCategory.Error, "super_is_only_allowed_in_members_of_object_literal_expressions_when_option_target_is_ES2015_or_highe_2659", "'super' is only allowed in members of object literal expressions when option 'target' is 'ES2015' or higher."),
- super_can_only_be_referenced_in_members_of_derived_classes_or_object_literal_expressions: diag(2660, ts.DiagnosticCategory.Error, "super_can_only_be_referenced_in_members_of_derived_classes_or_object_literal_expressions_2660", "'super' can only be referenced in members of derived classes or object literal expressions."),
- Cannot_export_0_Only_local_declarations_can_be_exported_from_a_module: diag(2661, ts.DiagnosticCategory.Error, "Cannot_export_0_Only_local_declarations_can_be_exported_from_a_module_2661", "Cannot export '{0}'. Only local declarations can be exported from a module."),
- Cannot_find_name_0_Did_you_mean_the_static_member_1_0: diag(2662, ts.DiagnosticCategory.Error, "Cannot_find_name_0_Did_you_mean_the_static_member_1_0_2662", "Cannot find name '{0}'. Did you mean the static member '{1}.{0}'?"),
- Cannot_find_name_0_Did_you_mean_the_instance_member_this_0: diag(2663, ts.DiagnosticCategory.Error, "Cannot_find_name_0_Did_you_mean_the_instance_member_this_0_2663", "Cannot find name '{0}'. Did you mean the instance member 'this.{0}'?"),
- Invalid_module_name_in_augmentation_module_0_cannot_be_found: diag(2664, ts.DiagnosticCategory.Error, "Invalid_module_name_in_augmentation_module_0_cannot_be_found_2664", "Invalid module name in augmentation, module '{0}' cannot be found."),
- Invalid_module_name_in_augmentation_Module_0_resolves_to_an_untyped_module_at_1_which_cannot_be_augmented: diag(2665, ts.DiagnosticCategory.Error, "Invalid_module_name_in_augmentation_Module_0_resolves_to_an_untyped_module_at_1_which_cannot_be_augm_2665", "Invalid module name in augmentation. Module '{0}' resolves to an untyped module at '{1}', which cannot be augmented."),
- Exports_and_export_assignments_are_not_permitted_in_module_augmentations: diag(2666, ts.DiagnosticCategory.Error, "Exports_and_export_assignments_are_not_permitted_in_module_augmentations_2666", "Exports and export assignments are not permitted in module augmentations."),
- Imports_are_not_permitted_in_module_augmentations_Consider_moving_them_to_the_enclosing_external_module: diag(2667, ts.DiagnosticCategory.Error, "Imports_are_not_permitted_in_module_augmentations_Consider_moving_them_to_the_enclosing_external_mod_2667", "Imports are not permitted in module augmentations. Consider moving them to the enclosing external module."),
- export_modifier_cannot_be_applied_to_ambient_modules_and_module_augmentations_since_they_are_always_visible: diag(2668, ts.DiagnosticCategory.Error, "export_modifier_cannot_be_applied_to_ambient_modules_and_module_augmentations_since_they_are_always__2668", "'export' modifier cannot be applied to ambient modules and module augmentations since they are always visible."),
- Augmentations_for_the_global_scope_can_only_be_directly_nested_in_external_modules_or_ambient_module_declarations: diag(2669, ts.DiagnosticCategory.Error, "Augmentations_for_the_global_scope_can_only_be_directly_nested_in_external_modules_or_ambient_module_2669", "Augmentations for the global scope can only be directly nested in external modules or ambient module declarations."),
- Augmentations_for_the_global_scope_should_have_declare_modifier_unless_they_appear_in_already_ambient_context: diag(2670, ts.DiagnosticCategory.Error, "Augmentations_for_the_global_scope_should_have_declare_modifier_unless_they_appear_in_already_ambien_2670", "Augmentations for the global scope should have 'declare' modifier unless they appear in already ambient context."),
- Cannot_augment_module_0_because_it_resolves_to_a_non_module_entity: diag(2671, ts.DiagnosticCategory.Error, "Cannot_augment_module_0_because_it_resolves_to_a_non_module_entity_2671", "Cannot augment module '{0}' because it resolves to a non-module entity."),
- Cannot_assign_a_0_constructor_type_to_a_1_constructor_type: diag(2672, ts.DiagnosticCategory.Error, "Cannot_assign_a_0_constructor_type_to_a_1_constructor_type_2672", "Cannot assign a '{0}' constructor type to a '{1}' constructor type."),
- Constructor_of_class_0_is_private_and_only_accessible_within_the_class_declaration: diag(2673, ts.DiagnosticCategory.Error, "Constructor_of_class_0_is_private_and_only_accessible_within_the_class_declaration_2673", "Constructor of class '{0}' is private and only accessible within the class declaration."),
- Constructor_of_class_0_is_protected_and_only_accessible_within_the_class_declaration: diag(2674, ts.DiagnosticCategory.Error, "Constructor_of_class_0_is_protected_and_only_accessible_within_the_class_declaration_2674", "Constructor of class '{0}' is protected and only accessible within the class declaration."),
- Cannot_extend_a_class_0_Class_constructor_is_marked_as_private: diag(2675, ts.DiagnosticCategory.Error, "Cannot_extend_a_class_0_Class_constructor_is_marked_as_private_2675", "Cannot extend a class '{0}'. Class constructor is marked as private."),
- Accessors_must_both_be_abstract_or_non_abstract: diag(2676, ts.DiagnosticCategory.Error, "Accessors_must_both_be_abstract_or_non_abstract_2676", "Accessors must both be abstract or non-abstract."),
- A_type_predicate_s_type_must_be_assignable_to_its_parameter_s_type: diag(2677, ts.DiagnosticCategory.Error, "A_type_predicate_s_type_must_be_assignable_to_its_parameter_s_type_2677", "A type predicate's type must be assignable to its parameter's type."),
- Type_0_is_not_comparable_to_type_1: diag(2678, ts.DiagnosticCategory.Error, "Type_0_is_not_comparable_to_type_1_2678", "Type '{0}' is not comparable to type '{1}'."),
- A_function_that_is_called_with_the_new_keyword_cannot_have_a_this_type_that_is_void: diag(2679, ts.DiagnosticCategory.Error, "A_function_that_is_called_with_the_new_keyword_cannot_have_a_this_type_that_is_void_2679", "A function that is called with the 'new' keyword cannot have a 'this' type that is 'void'."),
- A_0_parameter_must_be_the_first_parameter: diag(2680, ts.DiagnosticCategory.Error, "A_0_parameter_must_be_the_first_parameter_2680", "A '{0}' parameter must be the first parameter."),
- A_constructor_cannot_have_a_this_parameter: diag(2681, ts.DiagnosticCategory.Error, "A_constructor_cannot_have_a_this_parameter_2681", "A constructor cannot have a 'this' parameter."),
- get_and_set_accessor_must_have_the_same_this_type: diag(2682, ts.DiagnosticCategory.Error, "get_and_set_accessor_must_have_the_same_this_type_2682", "'get' and 'set' accessor must have the same 'this' type."),
- this_implicitly_has_type_any_because_it_does_not_have_a_type_annotation: diag(2683, ts.DiagnosticCategory.Error, "this_implicitly_has_type_any_because_it_does_not_have_a_type_annotation_2683", "'this' implicitly has type 'any' because it does not have a type annotation."),
- The_this_context_of_type_0_is_not_assignable_to_method_s_this_of_type_1: diag(2684, ts.DiagnosticCategory.Error, "The_this_context_of_type_0_is_not_assignable_to_method_s_this_of_type_1_2684", "The 'this' context of type '{0}' is not assignable to method's 'this' of type '{1}'."),
- The_this_types_of_each_signature_are_incompatible: diag(2685, ts.DiagnosticCategory.Error, "The_this_types_of_each_signature_are_incompatible_2685", "The 'this' types of each signature are incompatible."),
- _0_refers_to_a_UMD_global_but_the_current_file_is_a_module_Consider_adding_an_import_instead: diag(2686, ts.DiagnosticCategory.Error, "_0_refers_to_a_UMD_global_but_the_current_file_is_a_module_Consider_adding_an_import_instead_2686", "'{0}' refers to a UMD global, but the current file is a module. Consider adding an import instead."),
- All_declarations_of_0_must_have_identical_modifiers: diag(2687, ts.DiagnosticCategory.Error, "All_declarations_of_0_must_have_identical_modifiers_2687", "All declarations of '{0}' must have identical modifiers."),
- Cannot_find_type_definition_file_for_0: diag(2688, ts.DiagnosticCategory.Error, "Cannot_find_type_definition_file_for_0_2688", "Cannot find type definition file for '{0}'."),
- Cannot_extend_an_interface_0_Did_you_mean_implements: diag(2689, ts.DiagnosticCategory.Error, "Cannot_extend_an_interface_0_Did_you_mean_implements_2689", "Cannot extend an interface '{0}'. Did you mean 'implements'?"),
- An_import_path_cannot_end_with_a_0_extension_Consider_importing_1_instead: diag(2691, ts.DiagnosticCategory.Error, "An_import_path_cannot_end_with_a_0_extension_Consider_importing_1_instead_2691", "An import path cannot end with a '{0}' extension. Consider importing '{1}' instead."),
- _0_is_a_primitive_but_1_is_a_wrapper_object_Prefer_using_0_when_possible: diag(2692, ts.DiagnosticCategory.Error, "_0_is_a_primitive_but_1_is_a_wrapper_object_Prefer_using_0_when_possible_2692", "'{0}' is a primitive, but '{1}' is a wrapper object. Prefer using '{0}' when possible."),
- _0_only_refers_to_a_type_but_is_being_used_as_a_value_here: diag(2693, ts.DiagnosticCategory.Error, "_0_only_refers_to_a_type_but_is_being_used_as_a_value_here_2693", "'{0}' only refers to a type, but is being used as a value here."),
- Namespace_0_has_no_exported_member_1: diag(2694, ts.DiagnosticCategory.Error, "Namespace_0_has_no_exported_member_1_2694", "Namespace '{0}' has no exported member '{1}'."),
- Left_side_of_comma_operator_is_unused_and_has_no_side_effects: diag(2695, ts.DiagnosticCategory.Error, "Left_side_of_comma_operator_is_unused_and_has_no_side_effects_2695", "Left side of comma operator is unused and has no side effects.", /*reportsUnnecessary*/ true),
- The_Object_type_is_assignable_to_very_few_other_types_Did_you_mean_to_use_the_any_type_instead: diag(2696, ts.DiagnosticCategory.Error, "The_Object_type_is_assignable_to_very_few_other_types_Did_you_mean_to_use_the_any_type_instead_2696", "The 'Object' type is assignable to very few other types. Did you mean to use the 'any' type instead?"),
- An_async_function_or_method_must_return_a_Promise_Make_sure_you_have_a_declaration_for_Promise_or_include_ES2015_in_your_lib_option: diag(2697, ts.DiagnosticCategory.Error, "An_async_function_or_method_must_return_a_Promise_Make_sure_you_have_a_declaration_for_Promise_or_in_2697", "An async function or method must return a 'Promise'. Make sure you have a declaration for 'Promise' or include 'ES2015' in your `--lib` option."),
- Spread_types_may_only_be_created_from_object_types: diag(2698, ts.DiagnosticCategory.Error, "Spread_types_may_only_be_created_from_object_types_2698", "Spread types may only be created from object types."),
- Static_property_0_conflicts_with_built_in_property_Function_0_of_constructor_function_1: diag(2699, ts.DiagnosticCategory.Error, "Static_property_0_conflicts_with_built_in_property_Function_0_of_constructor_function_1_2699", "Static property '{0}' conflicts with built-in property 'Function.{0}' of constructor function '{1}'."),
- Rest_types_may_only_be_created_from_object_types: diag(2700, ts.DiagnosticCategory.Error, "Rest_types_may_only_be_created_from_object_types_2700", "Rest types may only be created from object types."),
- The_target_of_an_object_rest_assignment_must_be_a_variable_or_a_property_access: diag(2701, ts.DiagnosticCategory.Error, "The_target_of_an_object_rest_assignment_must_be_a_variable_or_a_property_access_2701", "The target of an object rest assignment must be a variable or a property access."),
- _0_only_refers_to_a_type_but_is_being_used_as_a_namespace_here: diag(2702, ts.DiagnosticCategory.Error, "_0_only_refers_to_a_type_but_is_being_used_as_a_namespace_here_2702", "'{0}' only refers to a type, but is being used as a namespace here."),
- The_operand_of_a_delete_operator_must_be_a_property_reference: diag(2703, ts.DiagnosticCategory.Error, "The_operand_of_a_delete_operator_must_be_a_property_reference_2703", "The operand of a 'delete' operator must be a property reference."),
- The_operand_of_a_delete_operator_cannot_be_a_read_only_property: diag(2704, ts.DiagnosticCategory.Error, "The_operand_of_a_delete_operator_cannot_be_a_read_only_property_2704", "The operand of a 'delete' operator cannot be a read-only property."),
- An_async_function_or_method_in_ES5_SlashES3_requires_the_Promise_constructor_Make_sure_you_have_a_declaration_for_the_Promise_constructor_or_include_ES2015_in_your_lib_option: diag(2705, ts.DiagnosticCategory.Error, "An_async_function_or_method_in_ES5_SlashES3_requires_the_Promise_constructor_Make_sure_you_have_a_de_2705", "An async function or method in ES5/ES3 requires the 'Promise' constructor. Make sure you have a declaration for the 'Promise' constructor or include 'ES2015' in your `--lib` option."),
- Required_type_parameters_may_not_follow_optional_type_parameters: diag(2706, ts.DiagnosticCategory.Error, "Required_type_parameters_may_not_follow_optional_type_parameters_2706", "Required type parameters may not follow optional type parameters."),
- Generic_type_0_requires_between_1_and_2_type_arguments: diag(2707, ts.DiagnosticCategory.Error, "Generic_type_0_requires_between_1_and_2_type_arguments_2707", "Generic type '{0}' requires between {1} and {2} type arguments."),
- Cannot_use_namespace_0_as_a_value: diag(2708, ts.DiagnosticCategory.Error, "Cannot_use_namespace_0_as_a_value_2708", "Cannot use namespace '{0}' as a value."),
- Cannot_use_namespace_0_as_a_type: diag(2709, ts.DiagnosticCategory.Error, "Cannot_use_namespace_0_as_a_type_2709", "Cannot use namespace '{0}' as a type."),
- _0_are_specified_twice_The_attribute_named_0_will_be_overwritten: diag(2710, ts.DiagnosticCategory.Error, "_0_are_specified_twice_The_attribute_named_0_will_be_overwritten_2710", "'{0}' are specified twice. The attribute named '{0}' will be overwritten."),
- A_dynamic_import_call_returns_a_Promise_Make_sure_you_have_a_declaration_for_Promise_or_include_ES2015_in_your_lib_option: diag(2711, ts.DiagnosticCategory.Error, "A_dynamic_import_call_returns_a_Promise_Make_sure_you_have_a_declaration_for_Promise_or_include_ES20_2711", "A dynamic import call returns a 'Promise'. Make sure you have a declaration for 'Promise' or include 'ES2015' in your `--lib` option."),
- A_dynamic_import_call_in_ES5_SlashES3_requires_the_Promise_constructor_Make_sure_you_have_a_declaration_for_the_Promise_constructor_or_include_ES2015_in_your_lib_option: diag(2712, ts.DiagnosticCategory.Error, "A_dynamic_import_call_in_ES5_SlashES3_requires_the_Promise_constructor_Make_sure_you_have_a_declarat_2712", "A dynamic import call in ES5/ES3 requires the 'Promise' constructor. Make sure you have a declaration for the 'Promise' constructor or include 'ES2015' in your `--lib` option."),
- Cannot_access_0_1_because_0_is_a_type_but_not_a_namespace_Did_you_mean_to_retrieve_the_type_of_the_property_1_in_0_with_0_1: diag(2713, ts.DiagnosticCategory.Error, "Cannot_access_0_1_because_0_is_a_type_but_not_a_namespace_Did_you_mean_to_retrieve_the_type_of_the_p_2713", "Cannot access '{0}.{1}' because '{0}' is a type, but not a namespace. Did you mean to retrieve the type of the property '{1}' in '{0}' with '{0}[\"{1}\"]'?"),
- The_expression_of_an_export_assignment_must_be_an_identifier_or_qualified_name_in_an_ambient_context: diag(2714, ts.DiagnosticCategory.Error, "The_expression_of_an_export_assignment_must_be_an_identifier_or_qualified_name_in_an_ambient_context_2714", "The expression of an export assignment must be an identifier or qualified name in an ambient context."),
- Abstract_property_0_in_class_1_cannot_be_accessed_in_the_constructor: diag(2715, ts.DiagnosticCategory.Error, "Abstract_property_0_in_class_1_cannot_be_accessed_in_the_constructor_2715", "Abstract property '{0}' in class '{1}' cannot be accessed in the constructor."),
- Type_parameter_0_has_a_circular_default: diag(2716, ts.DiagnosticCategory.Error, "Type_parameter_0_has_a_circular_default_2716", "Type parameter '{0}' has a circular default."),
- Subsequent_property_declarations_must_have_the_same_type_Property_0_must_be_of_type_1_but_here_has_type_2: diag(2717, ts.DiagnosticCategory.Error, "Subsequent_property_declarations_must_have_the_same_type_Property_0_must_be_of_type_1_but_here_has_t_2717", "Subsequent property declarations must have the same type. Property '{0}' must be of type '{1}', but here has type '{2}'."),
- Duplicate_property_0: diag(2718, ts.DiagnosticCategory.Error, "Duplicate_property_0_2718", "Duplicate property '{0}'."),
- Type_0_is_not_assignable_to_type_1_Two_different_types_with_this_name_exist_but_they_are_unrelated: diag(2719, ts.DiagnosticCategory.Error, "Type_0_is_not_assignable_to_type_1_Two_different_types_with_this_name_exist_but_they_are_unrelated_2719", "Type '{0}' is not assignable to type '{1}'. Two different types with this name exist, but they are unrelated."),
- Class_0_incorrectly_implements_class_1_Did_you_mean_to_extend_1_and_inherit_its_members_as_a_subclass: diag(2720, ts.DiagnosticCategory.Error, "Class_0_incorrectly_implements_class_1_Did_you_mean_to_extend_1_and_inherit_its_members_as_a_subclas_2720", "Class '{0}' incorrectly implements class '{1}'. Did you mean to extend '{1}' and inherit its members as a subclass?"),
- Cannot_invoke_an_object_which_is_possibly_null: diag(2721, ts.DiagnosticCategory.Error, "Cannot_invoke_an_object_which_is_possibly_null_2721", "Cannot invoke an object which is possibly 'null'."),
- Cannot_invoke_an_object_which_is_possibly_undefined: diag(2722, ts.DiagnosticCategory.Error, "Cannot_invoke_an_object_which_is_possibly_undefined_2722", "Cannot invoke an object which is possibly 'undefined'."),
- Cannot_invoke_an_object_which_is_possibly_null_or_undefined: diag(2723, ts.DiagnosticCategory.Error, "Cannot_invoke_an_object_which_is_possibly_null_or_undefined_2723", "Cannot invoke an object which is possibly 'null' or 'undefined'."),
- Module_0_has_no_exported_member_1_Did_you_mean_2: diag(2724, ts.DiagnosticCategory.Error, "Module_0_has_no_exported_member_1_Did_you_mean_2_2724", "Module '{0}' has no exported member '{1}'. Did you mean '{2}'?"),
- Class_name_cannot_be_Object_when_targeting_ES5_with_module_0: diag(2725, ts.DiagnosticCategory.Error, "Class_name_cannot_be_Object_when_targeting_ES5_with_module_0_2725", "Class name cannot be 'Object' when targeting ES5 with module {0}."),
- Cannot_find_lib_definition_for_0: diag(2726, ts.DiagnosticCategory.Error, "Cannot_find_lib_definition_for_0_2726", "Cannot find lib definition for '{0}'."),
- Cannot_find_lib_definition_for_0_Did_you_mean_1: diag(2727, ts.DiagnosticCategory.Error, "Cannot_find_lib_definition_for_0_Did_you_mean_1_2727", "Cannot find lib definition for '{0}'. Did you mean '{1}'?"),
- _0_is_declared_here: diag(2728, ts.DiagnosticCategory.Message, "_0_is_declared_here_2728", "'{0}' is declared here."),
- Property_0_is_used_before_its_initialization: diag(2729, ts.DiagnosticCategory.Error, "Property_0_is_used_before_its_initialization_2729", "Property '{0}' is used before its initialization."),
- An_arrow_function_cannot_have_a_this_parameter: diag(2730, ts.DiagnosticCategory.Error, "An_arrow_function_cannot_have_a_this_parameter_2730", "An arrow function cannot have a 'this' parameter."),
- Implicit_conversion_of_a_symbol_to_a_string_will_fail_at_runtime_Consider_wrapping_this_expression_in_String: diag(2731, ts.DiagnosticCategory.Error, "Implicit_conversion_of_a_symbol_to_a_string_will_fail_at_runtime_Consider_wrapping_this_expression_i_2731", "Implicit conversion of a 'symbol' to a 'string' will fail at runtime. Consider wrapping this expression in 'String(...)'."),
- Cannot_find_module_0_Consider_using_resolveJsonModule_to_import_module_with_json_extension: diag(2732, ts.DiagnosticCategory.Error, "Cannot_find_module_0_Consider_using_resolveJsonModule_to_import_module_with_json_extension_2732", "Cannot find module '{0}'. Consider using '--resolveJsonModule' to import module with '.json' extension"),
- Property_0_was_also_declared_here: diag(2733, ts.DiagnosticCategory.Error, "Property_0_was_also_declared_here_2733", "Property '{0}' was also declared here."),
- Are_you_missing_a_semicolon: diag(2734, ts.DiagnosticCategory.Error, "Are_you_missing_a_semicolon_2734", "Are you missing a semicolon?"),
- Did_you_mean_for_0_to_be_constrained_to_type_new_args_Colon_any_1: diag(2735, ts.DiagnosticCategory.Error, "Did_you_mean_for_0_to_be_constrained_to_type_new_args_Colon_any_1_2735", "Did you mean for '{0}' to be constrained to type 'new (...args: any[]) => {1}'?"),
- Operator_0_cannot_be_applied_to_type_1: diag(2736, ts.DiagnosticCategory.Error, "Operator_0_cannot_be_applied_to_type_1_2736", "Operator '{0}' cannot be applied to type '{1}'."),
- BigInt_literals_are_not_available_when_targeting_lower_than_ES2020: diag(2737, ts.DiagnosticCategory.Error, "BigInt_literals_are_not_available_when_targeting_lower_than_ES2020_2737", "BigInt literals are not available when targeting lower than ES2020."),
- An_outer_value_of_this_is_shadowed_by_this_container: diag(2738, ts.DiagnosticCategory.Message, "An_outer_value_of_this_is_shadowed_by_this_container_2738", "An outer value of 'this' is shadowed by this container."),
- Type_0_is_missing_the_following_properties_from_type_1_Colon_2: diag(2739, ts.DiagnosticCategory.Error, "Type_0_is_missing_the_following_properties_from_type_1_Colon_2_2739", "Type '{0}' is missing the following properties from type '{1}': {2}"),
- Type_0_is_missing_the_following_properties_from_type_1_Colon_2_and_3_more: diag(2740, ts.DiagnosticCategory.Error, "Type_0_is_missing_the_following_properties_from_type_1_Colon_2_and_3_more_2740", "Type '{0}' is missing the following properties from type '{1}': {2}, and {3} more."),
- Property_0_is_missing_in_type_1_but_required_in_type_2: diag(2741, ts.DiagnosticCategory.Error, "Property_0_is_missing_in_type_1_but_required_in_type_2_2741", "Property '{0}' is missing in type '{1}' but required in type '{2}'."),
- The_inferred_type_of_0_cannot_be_named_without_a_reference_to_1_This_is_likely_not_portable_A_type_annotation_is_necessary: diag(2742, ts.DiagnosticCategory.Error, "The_inferred_type_of_0_cannot_be_named_without_a_reference_to_1_This_is_likely_not_portable_A_type_a_2742", "The inferred type of '{0}' cannot be named without a reference to '{1}'. This is likely not portable. A type annotation is necessary."),
- No_overload_expects_0_type_arguments_but_overloads_do_exist_that_expect_either_1_or_2_type_arguments: diag(2743, ts.DiagnosticCategory.Error, "No_overload_expects_0_type_arguments_but_overloads_do_exist_that_expect_either_1_or_2_type_arguments_2743", "No overload expects {0} type arguments, but overloads do exist that expect either {1} or {2} type arguments."),
- Type_parameter_defaults_can_only_reference_previously_declared_type_parameters: diag(2744, ts.DiagnosticCategory.Error, "Type_parameter_defaults_can_only_reference_previously_declared_type_parameters_2744", "Type parameter defaults can only reference previously declared type parameters."),
- This_JSX_tag_s_0_prop_expects_type_1_which_requires_multiple_children_but_only_a_single_child_was_provided: diag(2745, ts.DiagnosticCategory.Error, "This_JSX_tag_s_0_prop_expects_type_1_which_requires_multiple_children_but_only_a_single_child_was_pr_2745", "This JSX tag's '{0}' prop expects type '{1}' which requires multiple children, but only a single child was provided."),
- This_JSX_tag_s_0_prop_expects_a_single_child_of_type_1_but_multiple_children_were_provided: diag(2746, ts.DiagnosticCategory.Error, "This_JSX_tag_s_0_prop_expects_a_single_child_of_type_1_but_multiple_children_were_provided_2746", "This JSX tag's '{0}' prop expects a single child of type '{1}', but multiple children were provided."),
- _0_components_don_t_accept_text_as_child_elements_Text_in_JSX_has_the_type_string_but_the_expected_type_of_1_is_2: diag(2747, ts.DiagnosticCategory.Error, "_0_components_don_t_accept_text_as_child_elements_Text_in_JSX_has_the_type_string_but_the_expected_t_2747", "'{0}' components don't accept text as child elements. Text in JSX has the type 'string', but the expected type of '{1}' is '{2}'."),
- Cannot_access_ambient_const_enums_when_the_isolatedModules_flag_is_provided: diag(2748, ts.DiagnosticCategory.Error, "Cannot_access_ambient_const_enums_when_the_isolatedModules_flag_is_provided_2748", "Cannot access ambient const enums when the '--isolatedModules' flag is provided."),
- _0_refers_to_a_value_but_is_being_used_as_a_type_here_Did_you_mean_typeof_0: diag(2749, ts.DiagnosticCategory.Error, "_0_refers_to_a_value_but_is_being_used_as_a_type_here_Did_you_mean_typeof_0_2749", "'{0}' refers to a value, but is being used as a type here. Did you mean 'typeof {0}'?"),
- The_implementation_signature_is_declared_here: diag(2750, ts.DiagnosticCategory.Error, "The_implementation_signature_is_declared_here_2750", "The implementation signature is declared here."),
- Circularity_originates_in_type_at_this_location: diag(2751, ts.DiagnosticCategory.Error, "Circularity_originates_in_type_at_this_location_2751", "Circularity originates in type at this location."),
- The_first_export_default_is_here: diag(2752, ts.DiagnosticCategory.Error, "The_first_export_default_is_here_2752", "The first export default is here."),
- Another_export_default_is_here: diag(2753, ts.DiagnosticCategory.Error, "Another_export_default_is_here_2753", "Another export default is here."),
- super_may_not_use_type_arguments: diag(2754, ts.DiagnosticCategory.Error, "super_may_not_use_type_arguments_2754", "'super' may not use type arguments."),
- No_constituent_of_type_0_is_callable: diag(2755, ts.DiagnosticCategory.Error, "No_constituent_of_type_0_is_callable_2755", "No constituent of type '{0}' is callable."),
- Not_all_constituents_of_type_0_are_callable: diag(2756, ts.DiagnosticCategory.Error, "Not_all_constituents_of_type_0_are_callable_2756", "Not all constituents of type '{0}' are callable."),
- Type_0_has_no_call_signatures: diag(2757, ts.DiagnosticCategory.Error, "Type_0_has_no_call_signatures_2757", "Type '{0}' has no call signatures."),
- Each_member_of_the_union_type_0_has_signatures_but_none_of_those_signatures_are_compatible_with_each_other: diag(2758, ts.DiagnosticCategory.Error, "Each_member_of_the_union_type_0_has_signatures_but_none_of_those_signatures_are_compatible_with_each_2758", "Each member of the union type '{0}' has signatures, but none of those signatures are compatible with each other."),
- No_constituent_of_type_0_is_constructable: diag(2759, ts.DiagnosticCategory.Error, "No_constituent_of_type_0_is_constructable_2759", "No constituent of type '{0}' is constructable."),
- Not_all_constituents_of_type_0_are_constructable: diag(2760, ts.DiagnosticCategory.Error, "Not_all_constituents_of_type_0_are_constructable_2760", "Not all constituents of type '{0}' are constructable."),
- Type_0_has_no_construct_signatures: diag(2761, ts.DiagnosticCategory.Error, "Type_0_has_no_construct_signatures_2761", "Type '{0}' has no construct signatures."),
- Each_member_of_the_union_type_0_has_construct_signatures_but_none_of_those_signatures_are_compatible_with_each_other: diag(2762, ts.DiagnosticCategory.Error, "Each_member_of_the_union_type_0_has_construct_signatures_but_none_of_those_signatures_are_compatible_2762", "Each member of the union type '{0}' has construct signatures, but none of those signatures are compatible with each other."),
- Cannot_iterate_value_because_the_next_method_of_its_iterator_expects_type_1_but_for_of_will_always_send_0: diag(2763, ts.DiagnosticCategory.Error, "Cannot_iterate_value_because_the_next_method_of_its_iterator_expects_type_1_but_for_of_will_always_s_2763", "Cannot iterate value because the 'next' method of its iterator expects type '{1}', but for-of will always send '{0}'."),
- Cannot_iterate_value_because_the_next_method_of_its_iterator_expects_type_1_but_array_spread_will_always_send_0: diag(2764, ts.DiagnosticCategory.Error, "Cannot_iterate_value_because_the_next_method_of_its_iterator_expects_type_1_but_array_spread_will_al_2764", "Cannot iterate value because the 'next' method of its iterator expects type '{1}', but array spread will always send '{0}'."),
- Cannot_iterate_value_because_the_next_method_of_its_iterator_expects_type_1_but_array_destructuring_will_always_send_0: diag(2765, ts.DiagnosticCategory.Error, "Cannot_iterate_value_because_the_next_method_of_its_iterator_expects_type_1_but_array_destructuring__2765", "Cannot iterate value because the 'next' method of its iterator expects type '{1}', but array destructuring will always send '{0}'."),
- Cannot_delegate_iteration_to_value_because_the_next_method_of_its_iterator_expects_type_1_but_the_containing_generator_will_always_send_0: diag(2766, ts.DiagnosticCategory.Error, "Cannot_delegate_iteration_to_value_because_the_next_method_of_its_iterator_expects_type_1_but_the_co_2766", "Cannot delegate iteration to value because the 'next' method of its iterator expects type '{1}', but the containing generator will always send '{0}'."),
- The_0_property_of_an_iterator_must_be_a_method: diag(2767, ts.DiagnosticCategory.Error, "The_0_property_of_an_iterator_must_be_a_method_2767", "The '{0}' property of an iterator must be a method."),
- The_0_property_of_an_async_iterator_must_be_a_method: diag(2768, ts.DiagnosticCategory.Error, "The_0_property_of_an_async_iterator_must_be_a_method_2768", "The '{0}' property of an async iterator must be a method."),
- No_overload_matches_this_call: diag(2769, ts.DiagnosticCategory.Error, "No_overload_matches_this_call_2769", "No overload matches this call."),
- The_last_overload_gave_the_following_error: diag(2770, ts.DiagnosticCategory.Error, "The_last_overload_gave_the_following_error_2770", "The last overload gave the following error."),
- The_last_overload_is_declared_here: diag(2771, ts.DiagnosticCategory.Error, "The_last_overload_is_declared_here_2771", "The last overload is declared here."),
- Overload_0_of_1_2_gave_the_following_error: diag(2772, ts.DiagnosticCategory.Error, "Overload_0_of_1_2_gave_the_following_error_2772", "Overload {0} of {1}, '{2}', gave the following error."),
- Did_you_forget_to_use_await: diag(2773, ts.DiagnosticCategory.Error, "Did_you_forget_to_use_await_2773", "Did you forget to use 'await'?"),
- This_condition_will_always_return_true_since_the_function_is_always_defined_Did_you_mean_to_call_it_instead: diag(2774, ts.DiagnosticCategory.Error, "This_condition_will_always_return_true_since_the_function_is_always_defined_Did_you_mean_to_call_it__2774", "This condition will always return true since the function is always defined. Did you mean to call it instead?"),
- Assertions_require_every_name_in_the_call_target_to_be_declared_with_an_explicit_type_annotation: diag(2775, ts.DiagnosticCategory.Error, "Assertions_require_every_name_in_the_call_target_to_be_declared_with_an_explicit_type_annotation_2775", "Assertions require every name in the call target to be declared with an explicit type annotation."),
- Assertions_require_the_call_target_to_be_an_identifier_or_qualified_name: diag(2776, ts.DiagnosticCategory.Error, "Assertions_require_the_call_target_to_be_an_identifier_or_qualified_name_2776", "Assertions require the call target to be an identifier or qualified name."),
- The_operand_of_an_increment_or_decrement_operator_may_not_be_an_optional_property_access: diag(2777, ts.DiagnosticCategory.Error, "The_operand_of_an_increment_or_decrement_operator_may_not_be_an_optional_property_access_2777", "The operand of an increment or decrement operator may not be an optional property access."),
- The_target_of_an_object_rest_assignment_may_not_be_an_optional_property_access: diag(2778, ts.DiagnosticCategory.Error, "The_target_of_an_object_rest_assignment_may_not_be_an_optional_property_access_2778", "The target of an object rest assignment may not be an optional property access."),
- The_left_hand_side_of_an_assignment_expression_may_not_be_an_optional_property_access: diag(2779, ts.DiagnosticCategory.Error, "The_left_hand_side_of_an_assignment_expression_may_not_be_an_optional_property_access_2779", "The left-hand side of an assignment expression may not be an optional property access."),
- The_left_hand_side_of_a_for_in_statement_may_not_be_an_optional_property_access: diag(2780, ts.DiagnosticCategory.Error, "The_left_hand_side_of_a_for_in_statement_may_not_be_an_optional_property_access_2780", "The left-hand side of a 'for...in' statement may not be an optional property access."),
- The_left_hand_side_of_a_for_of_statement_may_not_be_an_optional_property_access: diag(2781, ts.DiagnosticCategory.Error, "The_left_hand_side_of_a_for_of_statement_may_not_be_an_optional_property_access_2781", "The left-hand side of a 'for...of' statement may not be an optional property access."),
- _0_needs_an_explicit_type_annotation: diag(2782, ts.DiagnosticCategory.Message, "_0_needs_an_explicit_type_annotation_2782", "'{0}' needs an explicit type annotation."),
- _0_is_specified_more_than_once_so_this_usage_will_be_overwritten: diag(2783, ts.DiagnosticCategory.Error, "_0_is_specified_more_than_once_so_this_usage_will_be_overwritten_2783", "'{0}' is specified more than once, so this usage will be overwritten."),
- get_and_set_accessors_cannot_declare_this_parameters: diag(2784, ts.DiagnosticCategory.Error, "get_and_set_accessors_cannot_declare_this_parameters_2784", "'get' and 'set' accessors cannot declare 'this' parameters."),
- This_spread_always_overwrites_this_property: diag(2785, ts.DiagnosticCategory.Error, "This_spread_always_overwrites_this_property_2785", "This spread always overwrites this property."),
- _0_cannot_be_used_as_a_JSX_component: diag(2786, ts.DiagnosticCategory.Error, "_0_cannot_be_used_as_a_JSX_component_2786", "'{0}' cannot be used as a JSX component."),
- Its_return_type_0_is_not_a_valid_JSX_element: diag(2787, ts.DiagnosticCategory.Error, "Its_return_type_0_is_not_a_valid_JSX_element_2787", "Its return type '{0}' is not a valid JSX element."),
- Its_instance_type_0_is_not_a_valid_JSX_element: diag(2788, ts.DiagnosticCategory.Error, "Its_instance_type_0_is_not_a_valid_JSX_element_2788", "Its instance type '{0}' is not a valid JSX element."),
- Its_element_type_0_is_not_a_valid_JSX_element: diag(2789, ts.DiagnosticCategory.Error, "Its_element_type_0_is_not_a_valid_JSX_element_2789", "Its element type '{0}' is not a valid JSX element."),
- Import_declaration_0_is_using_private_name_1: diag(4000, ts.DiagnosticCategory.Error, "Import_declaration_0_is_using_private_name_1_4000", "Import declaration '{0}' is using private name '{1}'."),
- Type_parameter_0_of_exported_class_has_or_is_using_private_name_1: diag(4002, ts.DiagnosticCategory.Error, "Type_parameter_0_of_exported_class_has_or_is_using_private_name_1_4002", "Type parameter '{0}' of exported class has or is using private name '{1}'."),
- Type_parameter_0_of_exported_interface_has_or_is_using_private_name_1: diag(4004, ts.DiagnosticCategory.Error, "Type_parameter_0_of_exported_interface_has_or_is_using_private_name_1_4004", "Type parameter '{0}' of exported interface has or is using private name '{1}'."),
- Type_parameter_0_of_constructor_signature_from_exported_interface_has_or_is_using_private_name_1: diag(4006, ts.DiagnosticCategory.Error, "Type_parameter_0_of_constructor_signature_from_exported_interface_has_or_is_using_private_name_1_4006", "Type parameter '{0}' of constructor signature from exported interface has or is using private name '{1}'."),
- Type_parameter_0_of_call_signature_from_exported_interface_has_or_is_using_private_name_1: diag(4008, ts.DiagnosticCategory.Error, "Type_parameter_0_of_call_signature_from_exported_interface_has_or_is_using_private_name_1_4008", "Type parameter '{0}' of call signature from exported interface has or is using private name '{1}'."),
- Type_parameter_0_of_public_static_method_from_exported_class_has_or_is_using_private_name_1: diag(4010, ts.DiagnosticCategory.Error, "Type_parameter_0_of_public_static_method_from_exported_class_has_or_is_using_private_name_1_4010", "Type parameter '{0}' of public static method from exported class has or is using private name '{1}'."),
- Type_parameter_0_of_public_method_from_exported_class_has_or_is_using_private_name_1: diag(4012, ts.DiagnosticCategory.Error, "Type_parameter_0_of_public_method_from_exported_class_has_or_is_using_private_name_1_4012", "Type parameter '{0}' of public method from exported class has or is using private name '{1}'."),
- Type_parameter_0_of_method_from_exported_interface_has_or_is_using_private_name_1: diag(4014, ts.DiagnosticCategory.Error, "Type_parameter_0_of_method_from_exported_interface_has_or_is_using_private_name_1_4014", "Type parameter '{0}' of method from exported interface has or is using private name '{1}'."),
- Type_parameter_0_of_exported_function_has_or_is_using_private_name_1: diag(4016, ts.DiagnosticCategory.Error, "Type_parameter_0_of_exported_function_has_or_is_using_private_name_1_4016", "Type parameter '{0}' of exported function has or is using private name '{1}'."),
- Implements_clause_of_exported_class_0_has_or_is_using_private_name_1: diag(4019, ts.DiagnosticCategory.Error, "Implements_clause_of_exported_class_0_has_or_is_using_private_name_1_4019", "Implements clause of exported class '{0}' has or is using private name '{1}'."),
- extends_clause_of_exported_class_0_has_or_is_using_private_name_1: diag(4020, ts.DiagnosticCategory.Error, "extends_clause_of_exported_class_0_has_or_is_using_private_name_1_4020", "'extends' clause of exported class '{0}' has or is using private name '{1}'."),
- extends_clause_of_exported_interface_0_has_or_is_using_private_name_1: diag(4022, ts.DiagnosticCategory.Error, "extends_clause_of_exported_interface_0_has_or_is_using_private_name_1_4022", "'extends' clause of exported interface '{0}' has or is using private name '{1}'."),
- Exported_variable_0_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named: diag(4023, ts.DiagnosticCategory.Error, "Exported_variable_0_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named_4023", "Exported variable '{0}' has or is using name '{1}' from external module {2} but cannot be named."),
- Exported_variable_0_has_or_is_using_name_1_from_private_module_2: diag(4024, ts.DiagnosticCategory.Error, "Exported_variable_0_has_or_is_using_name_1_from_private_module_2_4024", "Exported variable '{0}' has or is using name '{1}' from private module '{2}'."),
- Exported_variable_0_has_or_is_using_private_name_1: diag(4025, ts.DiagnosticCategory.Error, "Exported_variable_0_has_or_is_using_private_name_1_4025", "Exported variable '{0}' has or is using private name '{1}'."),
- Public_static_property_0_of_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named: diag(4026, ts.DiagnosticCategory.Error, "Public_static_property_0_of_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot__4026", "Public static property '{0}' of exported class has or is using name '{1}' from external module {2} but cannot be named."),
- Public_static_property_0_of_exported_class_has_or_is_using_name_1_from_private_module_2: diag(4027, ts.DiagnosticCategory.Error, "Public_static_property_0_of_exported_class_has_or_is_using_name_1_from_private_module_2_4027", "Public static property '{0}' of exported class has or is using name '{1}' from private module '{2}'."),
- Public_static_property_0_of_exported_class_has_or_is_using_private_name_1: diag(4028, ts.DiagnosticCategory.Error, "Public_static_property_0_of_exported_class_has_or_is_using_private_name_1_4028", "Public static property '{0}' of exported class has or is using private name '{1}'."),
- Public_property_0_of_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named: diag(4029, ts.DiagnosticCategory.Error, "Public_property_0_of_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot_be_name_4029", "Public property '{0}' of exported class has or is using name '{1}' from external module {2} but cannot be named."),
- Public_property_0_of_exported_class_has_or_is_using_name_1_from_private_module_2: diag(4030, ts.DiagnosticCategory.Error, "Public_property_0_of_exported_class_has_or_is_using_name_1_from_private_module_2_4030", "Public property '{0}' of exported class has or is using name '{1}' from private module '{2}'."),
- Public_property_0_of_exported_class_has_or_is_using_private_name_1: diag(4031, ts.DiagnosticCategory.Error, "Public_property_0_of_exported_class_has_or_is_using_private_name_1_4031", "Public property '{0}' of exported class has or is using private name '{1}'."),
- Property_0_of_exported_interface_has_or_is_using_name_1_from_private_module_2: diag(4032, ts.DiagnosticCategory.Error, "Property_0_of_exported_interface_has_or_is_using_name_1_from_private_module_2_4032", "Property '{0}' of exported interface has or is using name '{1}' from private module '{2}'."),
- Property_0_of_exported_interface_has_or_is_using_private_name_1: diag(4033, ts.DiagnosticCategory.Error, "Property_0_of_exported_interface_has_or_is_using_private_name_1_4033", "Property '{0}' of exported interface has or is using private name '{1}'."),
- Parameter_type_of_public_static_setter_0_from_exported_class_has_or_is_using_name_1_from_private_module_2: diag(4034, ts.DiagnosticCategory.Error, "Parameter_type_of_public_static_setter_0_from_exported_class_has_or_is_using_name_1_from_private_mod_4034", "Parameter type of public static setter '{0}' from exported class has or is using name '{1}' from private module '{2}'."),
- Parameter_type_of_public_static_setter_0_from_exported_class_has_or_is_using_private_name_1: diag(4035, ts.DiagnosticCategory.Error, "Parameter_type_of_public_static_setter_0_from_exported_class_has_or_is_using_private_name_1_4035", "Parameter type of public static setter '{0}' from exported class has or is using private name '{1}'."),
- Parameter_type_of_public_setter_0_from_exported_class_has_or_is_using_name_1_from_private_module_2: diag(4036, ts.DiagnosticCategory.Error, "Parameter_type_of_public_setter_0_from_exported_class_has_or_is_using_name_1_from_private_module_2_4036", "Parameter type of public setter '{0}' from exported class has or is using name '{1}' from private module '{2}'."),
- Parameter_type_of_public_setter_0_from_exported_class_has_or_is_using_private_name_1: diag(4037, ts.DiagnosticCategory.Error, "Parameter_type_of_public_setter_0_from_exported_class_has_or_is_using_private_name_1_4037", "Parameter type of public setter '{0}' from exported class has or is using private name '{1}'."),
- Return_type_of_public_static_getter_0_from_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named: diag(4038, ts.DiagnosticCategory.Error, "Return_type_of_public_static_getter_0_from_exported_class_has_or_is_using_name_1_from_external_modul_4038", "Return type of public static getter '{0}' from exported class has or is using name '{1}' from external module {2} but cannot be named."),
- Return_type_of_public_static_getter_0_from_exported_class_has_or_is_using_name_1_from_private_module_2: diag(4039, ts.DiagnosticCategory.Error, "Return_type_of_public_static_getter_0_from_exported_class_has_or_is_using_name_1_from_private_module_4039", "Return type of public static getter '{0}' from exported class has or is using name '{1}' from private module '{2}'."),
- Return_type_of_public_static_getter_0_from_exported_class_has_or_is_using_private_name_1: diag(4040, ts.DiagnosticCategory.Error, "Return_type_of_public_static_getter_0_from_exported_class_has_or_is_using_private_name_1_4040", "Return type of public static getter '{0}' from exported class has or is using private name '{1}'."),
- Return_type_of_public_getter_0_from_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named: diag(4041, ts.DiagnosticCategory.Error, "Return_type_of_public_getter_0_from_exported_class_has_or_is_using_name_1_from_external_module_2_but_4041", "Return type of public getter '{0}' from exported class has or is using name '{1}' from external module {2} but cannot be named."),
- Return_type_of_public_getter_0_from_exported_class_has_or_is_using_name_1_from_private_module_2: diag(4042, ts.DiagnosticCategory.Error, "Return_type_of_public_getter_0_from_exported_class_has_or_is_using_name_1_from_private_module_2_4042", "Return type of public getter '{0}' from exported class has or is using name '{1}' from private module '{2}'."),
- Return_type_of_public_getter_0_from_exported_class_has_or_is_using_private_name_1: diag(4043, ts.DiagnosticCategory.Error, "Return_type_of_public_getter_0_from_exported_class_has_or_is_using_private_name_1_4043", "Return type of public getter '{0}' from exported class has or is using private name '{1}'."),
- Return_type_of_constructor_signature_from_exported_interface_has_or_is_using_name_0_from_private_module_1: diag(4044, ts.DiagnosticCategory.Error, "Return_type_of_constructor_signature_from_exported_interface_has_or_is_using_name_0_from_private_mod_4044", "Return type of constructor signature from exported interface has or is using name '{0}' from private module '{1}'."),
- Return_type_of_constructor_signature_from_exported_interface_has_or_is_using_private_name_0: diag(4045, ts.DiagnosticCategory.Error, "Return_type_of_constructor_signature_from_exported_interface_has_or_is_using_private_name_0_4045", "Return type of constructor signature from exported interface has or is using private name '{0}'."),
- Return_type_of_call_signature_from_exported_interface_has_or_is_using_name_0_from_private_module_1: diag(4046, ts.DiagnosticCategory.Error, "Return_type_of_call_signature_from_exported_interface_has_or_is_using_name_0_from_private_module_1_4046", "Return type of call signature from exported interface has or is using name '{0}' from private module '{1}'."),
- Return_type_of_call_signature_from_exported_interface_has_or_is_using_private_name_0: diag(4047, ts.DiagnosticCategory.Error, "Return_type_of_call_signature_from_exported_interface_has_or_is_using_private_name_0_4047", "Return type of call signature from exported interface has or is using private name '{0}'."),
- Return_type_of_index_signature_from_exported_interface_has_or_is_using_name_0_from_private_module_1: diag(4048, ts.DiagnosticCategory.Error, "Return_type_of_index_signature_from_exported_interface_has_or_is_using_name_0_from_private_module_1_4048", "Return type of index signature from exported interface has or is using name '{0}' from private module '{1}'."),
- Return_type_of_index_signature_from_exported_interface_has_or_is_using_private_name_0: diag(4049, ts.DiagnosticCategory.Error, "Return_type_of_index_signature_from_exported_interface_has_or_is_using_private_name_0_4049", "Return type of index signature from exported interface has or is using private name '{0}'."),
- Return_type_of_public_static_method_from_exported_class_has_or_is_using_name_0_from_external_module_1_but_cannot_be_named: diag(4050, ts.DiagnosticCategory.Error, "Return_type_of_public_static_method_from_exported_class_has_or_is_using_name_0_from_external_module__4050", "Return type of public static method from exported class has or is using name '{0}' from external module {1} but cannot be named."),
- Return_type_of_public_static_method_from_exported_class_has_or_is_using_name_0_from_private_module_1: diag(4051, ts.DiagnosticCategory.Error, "Return_type_of_public_static_method_from_exported_class_has_or_is_using_name_0_from_private_module_1_4051", "Return type of public static method from exported class has or is using name '{0}' from private module '{1}'."),
- Return_type_of_public_static_method_from_exported_class_has_or_is_using_private_name_0: diag(4052, ts.DiagnosticCategory.Error, "Return_type_of_public_static_method_from_exported_class_has_or_is_using_private_name_0_4052", "Return type of public static method from exported class has or is using private name '{0}'."),
- Return_type_of_public_method_from_exported_class_has_or_is_using_name_0_from_external_module_1_but_cannot_be_named: diag(4053, ts.DiagnosticCategory.Error, "Return_type_of_public_method_from_exported_class_has_or_is_using_name_0_from_external_module_1_but_c_4053", "Return type of public method from exported class has or is using name '{0}' from external module {1} but cannot be named."),
- Return_type_of_public_method_from_exported_class_has_or_is_using_name_0_from_private_module_1: diag(4054, ts.DiagnosticCategory.Error, "Return_type_of_public_method_from_exported_class_has_or_is_using_name_0_from_private_module_1_4054", "Return type of public method from exported class has or is using name '{0}' from private module '{1}'."),
- Return_type_of_public_method_from_exported_class_has_or_is_using_private_name_0: diag(4055, ts.DiagnosticCategory.Error, "Return_type_of_public_method_from_exported_class_has_or_is_using_private_name_0_4055", "Return type of public method from exported class has or is using private name '{0}'."),
- Return_type_of_method_from_exported_interface_has_or_is_using_name_0_from_private_module_1: diag(4056, ts.DiagnosticCategory.Error, "Return_type_of_method_from_exported_interface_has_or_is_using_name_0_from_private_module_1_4056", "Return type of method from exported interface has or is using name '{0}' from private module '{1}'."),
- Return_type_of_method_from_exported_interface_has_or_is_using_private_name_0: diag(4057, ts.DiagnosticCategory.Error, "Return_type_of_method_from_exported_interface_has_or_is_using_private_name_0_4057", "Return type of method from exported interface has or is using private name '{0}'."),
- Return_type_of_exported_function_has_or_is_using_name_0_from_external_module_1_but_cannot_be_named: diag(4058, ts.DiagnosticCategory.Error, "Return_type_of_exported_function_has_or_is_using_name_0_from_external_module_1_but_cannot_be_named_4058", "Return type of exported function has or is using name '{0}' from external module {1} but cannot be named."),
- Return_type_of_exported_function_has_or_is_using_name_0_from_private_module_1: diag(4059, ts.DiagnosticCategory.Error, "Return_type_of_exported_function_has_or_is_using_name_0_from_private_module_1_4059", "Return type of exported function has or is using name '{0}' from private module '{1}'."),
- Return_type_of_exported_function_has_or_is_using_private_name_0: diag(4060, ts.DiagnosticCategory.Error, "Return_type_of_exported_function_has_or_is_using_private_name_0_4060", "Return type of exported function has or is using private name '{0}'."),
- Parameter_0_of_constructor_from_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named: diag(4061, ts.DiagnosticCategory.Error, "Parameter_0_of_constructor_from_exported_class_has_or_is_using_name_1_from_external_module_2_but_can_4061", "Parameter '{0}' of constructor from exported class has or is using name '{1}' from external module {2} but cannot be named."),
- Parameter_0_of_constructor_from_exported_class_has_or_is_using_name_1_from_private_module_2: diag(4062, ts.DiagnosticCategory.Error, "Parameter_0_of_constructor_from_exported_class_has_or_is_using_name_1_from_private_module_2_4062", "Parameter '{0}' of constructor from exported class has or is using name '{1}' from private module '{2}'."),
- Parameter_0_of_constructor_from_exported_class_has_or_is_using_private_name_1: diag(4063, ts.DiagnosticCategory.Error, "Parameter_0_of_constructor_from_exported_class_has_or_is_using_private_name_1_4063", "Parameter '{0}' of constructor from exported class has or is using private name '{1}'."),
- Parameter_0_of_constructor_signature_from_exported_interface_has_or_is_using_name_1_from_private_module_2: diag(4064, ts.DiagnosticCategory.Error, "Parameter_0_of_constructor_signature_from_exported_interface_has_or_is_using_name_1_from_private_mod_4064", "Parameter '{0}' of constructor signature from exported interface has or is using name '{1}' from private module '{2}'."),
- Parameter_0_of_constructor_signature_from_exported_interface_has_or_is_using_private_name_1: diag(4065, ts.DiagnosticCategory.Error, "Parameter_0_of_constructor_signature_from_exported_interface_has_or_is_using_private_name_1_4065", "Parameter '{0}' of constructor signature from exported interface has or is using private name '{1}'."),
- Parameter_0_of_call_signature_from_exported_interface_has_or_is_using_name_1_from_private_module_2: diag(4066, ts.DiagnosticCategory.Error, "Parameter_0_of_call_signature_from_exported_interface_has_or_is_using_name_1_from_private_module_2_4066", "Parameter '{0}' of call signature from exported interface has or is using name '{1}' from private module '{2}'."),
- Parameter_0_of_call_signature_from_exported_interface_has_or_is_using_private_name_1: diag(4067, ts.DiagnosticCategory.Error, "Parameter_0_of_call_signature_from_exported_interface_has_or_is_using_private_name_1_4067", "Parameter '{0}' of call signature from exported interface has or is using private name '{1}'."),
- Parameter_0_of_public_static_method_from_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named: diag(4068, ts.DiagnosticCategory.Error, "Parameter_0_of_public_static_method_from_exported_class_has_or_is_using_name_1_from_external_module__4068", "Parameter '{0}' of public static method from exported class has or is using name '{1}' from external module {2} but cannot be named."),
- Parameter_0_of_public_static_method_from_exported_class_has_or_is_using_name_1_from_private_module_2: diag(4069, ts.DiagnosticCategory.Error, "Parameter_0_of_public_static_method_from_exported_class_has_or_is_using_name_1_from_private_module_2_4069", "Parameter '{0}' of public static method from exported class has or is using name '{1}' from private module '{2}'."),
- Parameter_0_of_public_static_method_from_exported_class_has_or_is_using_private_name_1: diag(4070, ts.DiagnosticCategory.Error, "Parameter_0_of_public_static_method_from_exported_class_has_or_is_using_private_name_1_4070", "Parameter '{0}' of public static method from exported class has or is using private name '{1}'."),
- Parameter_0_of_public_method_from_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named: diag(4071, ts.DiagnosticCategory.Error, "Parameter_0_of_public_method_from_exported_class_has_or_is_using_name_1_from_external_module_2_but_c_4071", "Parameter '{0}' of public method from exported class has or is using name '{1}' from external module {2} but cannot be named."),
- Parameter_0_of_public_method_from_exported_class_has_or_is_using_name_1_from_private_module_2: diag(4072, ts.DiagnosticCategory.Error, "Parameter_0_of_public_method_from_exported_class_has_or_is_using_name_1_from_private_module_2_4072", "Parameter '{0}' of public method from exported class has or is using name '{1}' from private module '{2}'."),
- Parameter_0_of_public_method_from_exported_class_has_or_is_using_private_name_1: diag(4073, ts.DiagnosticCategory.Error, "Parameter_0_of_public_method_from_exported_class_has_or_is_using_private_name_1_4073", "Parameter '{0}' of public method from exported class has or is using private name '{1}'."),
- Parameter_0_of_method_from_exported_interface_has_or_is_using_name_1_from_private_module_2: diag(4074, ts.DiagnosticCategory.Error, "Parameter_0_of_method_from_exported_interface_has_or_is_using_name_1_from_private_module_2_4074", "Parameter '{0}' of method from exported interface has or is using name '{1}' from private module '{2}'."),
- Parameter_0_of_method_from_exported_interface_has_or_is_using_private_name_1: diag(4075, ts.DiagnosticCategory.Error, "Parameter_0_of_method_from_exported_interface_has_or_is_using_private_name_1_4075", "Parameter '{0}' of method from exported interface has or is using private name '{1}'."),
- Parameter_0_of_exported_function_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named: diag(4076, ts.DiagnosticCategory.Error, "Parameter_0_of_exported_function_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named_4076", "Parameter '{0}' of exported function has or is using name '{1}' from external module {2} but cannot be named."),
- Parameter_0_of_exported_function_has_or_is_using_name_1_from_private_module_2: diag(4077, ts.DiagnosticCategory.Error, "Parameter_0_of_exported_function_has_or_is_using_name_1_from_private_module_2_4077", "Parameter '{0}' of exported function has or is using name '{1}' from private module '{2}'."),
- Parameter_0_of_exported_function_has_or_is_using_private_name_1: diag(4078, ts.DiagnosticCategory.Error, "Parameter_0_of_exported_function_has_or_is_using_private_name_1_4078", "Parameter '{0}' of exported function has or is using private name '{1}'."),
- Exported_type_alias_0_has_or_is_using_private_name_1: diag(4081, ts.DiagnosticCategory.Error, "Exported_type_alias_0_has_or_is_using_private_name_1_4081", "Exported type alias '{0}' has or is using private name '{1}'."),
- Default_export_of_the_module_has_or_is_using_private_name_0: diag(4082, ts.DiagnosticCategory.Error, "Default_export_of_the_module_has_or_is_using_private_name_0_4082", "Default export of the module has or is using private name '{0}'."),
- Type_parameter_0_of_exported_type_alias_has_or_is_using_private_name_1: diag(4083, ts.DiagnosticCategory.Error, "Type_parameter_0_of_exported_type_alias_has_or_is_using_private_name_1_4083", "Type parameter '{0}' of exported type alias has or is using private name '{1}'."),
- Conflicting_definitions_for_0_found_at_1_and_2_Consider_installing_a_specific_version_of_this_library_to_resolve_the_conflict: diag(4090, ts.DiagnosticCategory.Error, "Conflicting_definitions_for_0_found_at_1_and_2_Consider_installing_a_specific_version_of_this_librar_4090", "Conflicting definitions for '{0}' found at '{1}' and '{2}'. Consider installing a specific version of this library to resolve the conflict."),
- Parameter_0_of_index_signature_from_exported_interface_has_or_is_using_name_1_from_private_module_2: diag(4091, ts.DiagnosticCategory.Error, "Parameter_0_of_index_signature_from_exported_interface_has_or_is_using_name_1_from_private_module_2_4091", "Parameter '{0}' of index signature from exported interface has or is using name '{1}' from private module '{2}'."),
- Parameter_0_of_index_signature_from_exported_interface_has_or_is_using_private_name_1: diag(4092, ts.DiagnosticCategory.Error, "Parameter_0_of_index_signature_from_exported_interface_has_or_is_using_private_name_1_4092", "Parameter '{0}' of index signature from exported interface has or is using private name '{1}'."),
- Property_0_of_exported_class_expression_may_not_be_private_or_protected: diag(4094, ts.DiagnosticCategory.Error, "Property_0_of_exported_class_expression_may_not_be_private_or_protected_4094", "Property '{0}' of exported class expression may not be private or protected."),
- Public_static_method_0_of_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named: diag(4095, ts.DiagnosticCategory.Error, "Public_static_method_0_of_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot_be_4095", "Public static method '{0}' of exported class has or is using name '{1}' from external module {2} but cannot be named."),
- Public_static_method_0_of_exported_class_has_or_is_using_name_1_from_private_module_2: diag(4096, ts.DiagnosticCategory.Error, "Public_static_method_0_of_exported_class_has_or_is_using_name_1_from_private_module_2_4096", "Public static method '{0}' of exported class has or is using name '{1}' from private module '{2}'."),
- Public_static_method_0_of_exported_class_has_or_is_using_private_name_1: diag(4097, ts.DiagnosticCategory.Error, "Public_static_method_0_of_exported_class_has_or_is_using_private_name_1_4097", "Public static method '{0}' of exported class has or is using private name '{1}'."),
- Public_method_0_of_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named: diag(4098, ts.DiagnosticCategory.Error, "Public_method_0_of_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named_4098", "Public method '{0}' of exported class has or is using name '{1}' from external module {2} but cannot be named."),
- Public_method_0_of_exported_class_has_or_is_using_name_1_from_private_module_2: diag(4099, ts.DiagnosticCategory.Error, "Public_method_0_of_exported_class_has_or_is_using_name_1_from_private_module_2_4099", "Public method '{0}' of exported class has or is using name '{1}' from private module '{2}'."),
- Public_method_0_of_exported_class_has_or_is_using_private_name_1: diag(4100, ts.DiagnosticCategory.Error, "Public_method_0_of_exported_class_has_or_is_using_private_name_1_4100", "Public method '{0}' of exported class has or is using private name '{1}'."),
- Method_0_of_exported_interface_has_or_is_using_name_1_from_private_module_2: diag(4101, ts.DiagnosticCategory.Error, "Method_0_of_exported_interface_has_or_is_using_name_1_from_private_module_2_4101", "Method '{0}' of exported interface has or is using name '{1}' from private module '{2}'."),
- Method_0_of_exported_interface_has_or_is_using_private_name_1: diag(4102, ts.DiagnosticCategory.Error, "Method_0_of_exported_interface_has_or_is_using_private_name_1_4102", "Method '{0}' of exported interface has or is using private name '{1}'."),
- Type_parameter_0_of_exported_mapped_object_type_is_using_private_name_1: diag(4103, ts.DiagnosticCategory.Error, "Type_parameter_0_of_exported_mapped_object_type_is_using_private_name_1_4103", "Type parameter '{0}' of exported mapped object type is using private name '{1}'."),
- The_type_0_is_readonly_and_cannot_be_assigned_to_the_mutable_type_1: diag(4104, ts.DiagnosticCategory.Error, "The_type_0_is_readonly_and_cannot_be_assigned_to_the_mutable_type_1_4104", "The type '{0}' is 'readonly' and cannot be assigned to the mutable type '{1}'."),
- Private_or_protected_member_0_cannot_be_accessed_on_a_type_parameter: diag(4105, ts.DiagnosticCategory.Error, "Private_or_protected_member_0_cannot_be_accessed_on_a_type_parameter_4105", "Private or protected member '{0}' cannot be accessed on a type parameter."),
- Parameter_0_of_accessor_has_or_is_using_private_name_1: diag(4106, ts.DiagnosticCategory.Error, "Parameter_0_of_accessor_has_or_is_using_private_name_1_4106", "Parameter '{0}' of accessor has or is using private name '{1}'."),
- Parameter_0_of_accessor_has_or_is_using_name_1_from_private_module_2: diag(4107, ts.DiagnosticCategory.Error, "Parameter_0_of_accessor_has_or_is_using_name_1_from_private_module_2_4107", "Parameter '{0}' of accessor has or is using name '{1}' from private module '{2}'."),
- Parameter_0_of_accessor_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named: diag(4108, ts.DiagnosticCategory.Error, "Parameter_0_of_accessor_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named_4108", "Parameter '{0}' of accessor has or is using name '{1}' from external module '{2}' but cannot be named."),
- Type_arguments_for_0_circularly_reference_themselves: diag(4109, ts.DiagnosticCategory.Error, "Type_arguments_for_0_circularly_reference_themselves_4109", "Type arguments for '{0}' circularly reference themselves."),
- Tuple_type_arguments_circularly_reference_themselves: diag(4110, ts.DiagnosticCategory.Error, "Tuple_type_arguments_circularly_reference_themselves_4110", "Tuple type arguments circularly reference themselves."),
- The_current_host_does_not_support_the_0_option: diag(5001, ts.DiagnosticCategory.Error, "The_current_host_does_not_support_the_0_option_5001", "The current host does not support the '{0}' option."),
- Cannot_find_the_common_subdirectory_path_for_the_input_files: diag(5009, ts.DiagnosticCategory.Error, "Cannot_find_the_common_subdirectory_path_for_the_input_files_5009", "Cannot find the common subdirectory path for the input files."),
- File_specification_cannot_end_in_a_recursive_directory_wildcard_Asterisk_Asterisk_Colon_0: diag(5010, ts.DiagnosticCategory.Error, "File_specification_cannot_end_in_a_recursive_directory_wildcard_Asterisk_Asterisk_Colon_0_5010", "File specification cannot end in a recursive directory wildcard ('**'): '{0}'."),
- Cannot_read_file_0_Colon_1: diag(5012, ts.DiagnosticCategory.Error, "Cannot_read_file_0_Colon_1_5012", "Cannot read file '{0}': {1}."),
- Failed_to_parse_file_0_Colon_1: diag(5014, ts.DiagnosticCategory.Error, "Failed_to_parse_file_0_Colon_1_5014", "Failed to parse file '{0}': {1}."),
- Unknown_compiler_option_0: diag(5023, ts.DiagnosticCategory.Error, "Unknown_compiler_option_0_5023", "Unknown compiler option '{0}'."),
- Compiler_option_0_requires_a_value_of_type_1: diag(5024, ts.DiagnosticCategory.Error, "Compiler_option_0_requires_a_value_of_type_1_5024", "Compiler option '{0}' requires a value of type {1}."),
- Unknown_compiler_option_0_Did_you_mean_1: diag(5025, ts.DiagnosticCategory.Error, "Unknown_compiler_option_0_Did_you_mean_1_5025", "Unknown compiler option '{0}'. Did you mean '{1}'?"),
- Could_not_write_file_0_Colon_1: diag(5033, ts.DiagnosticCategory.Error, "Could_not_write_file_0_Colon_1_5033", "Could not write file '{0}': {1}."),
- Option_project_cannot_be_mixed_with_source_files_on_a_command_line: diag(5042, ts.DiagnosticCategory.Error, "Option_project_cannot_be_mixed_with_source_files_on_a_command_line_5042", "Option 'project' cannot be mixed with source files on a command line."),
- Option_isolatedModules_can_only_be_used_when_either_option_module_is_provided_or_option_target_is_ES2015_or_higher: diag(5047, ts.DiagnosticCategory.Error, "Option_isolatedModules_can_only_be_used_when_either_option_module_is_provided_or_option_target_is_ES_5047", "Option 'isolatedModules' can only be used when either option '--module' is provided or option 'target' is 'ES2015' or higher."),
- Option_0_cannot_be_specified_when_option_target_is_ES3: diag(5048, ts.DiagnosticCategory.Error, "Option_0_cannot_be_specified_when_option_target_is_ES3_5048", "Option '{0}' cannot be specified when option 'target' is 'ES3'."),
- Option_0_can_only_be_used_when_either_option_inlineSourceMap_or_option_sourceMap_is_provided: diag(5051, ts.DiagnosticCategory.Error, "Option_0_can_only_be_used_when_either_option_inlineSourceMap_or_option_sourceMap_is_provided_5051", "Option '{0} can only be used when either option '--inlineSourceMap' or option '--sourceMap' is provided."),
- Option_0_cannot_be_specified_without_specifying_option_1: diag(5052, ts.DiagnosticCategory.Error, "Option_0_cannot_be_specified_without_specifying_option_1_5052", "Option '{0}' cannot be specified without specifying option '{1}'."),
- Option_0_cannot_be_specified_with_option_1: diag(5053, ts.DiagnosticCategory.Error, "Option_0_cannot_be_specified_with_option_1_5053", "Option '{0}' cannot be specified with option '{1}'."),
- A_tsconfig_json_file_is_already_defined_at_Colon_0: diag(5054, ts.DiagnosticCategory.Error, "A_tsconfig_json_file_is_already_defined_at_Colon_0_5054", "A 'tsconfig.json' file is already defined at: '{0}'."),
- Cannot_write_file_0_because_it_would_overwrite_input_file: diag(5055, ts.DiagnosticCategory.Error, "Cannot_write_file_0_because_it_would_overwrite_input_file_5055", "Cannot write file '{0}' because it would overwrite input file."),
- Cannot_write_file_0_because_it_would_be_overwritten_by_multiple_input_files: diag(5056, ts.DiagnosticCategory.Error, "Cannot_write_file_0_because_it_would_be_overwritten_by_multiple_input_files_5056", "Cannot write file '{0}' because it would be overwritten by multiple input files."),
- Cannot_find_a_tsconfig_json_file_at_the_specified_directory_Colon_0: diag(5057, ts.DiagnosticCategory.Error, "Cannot_find_a_tsconfig_json_file_at_the_specified_directory_Colon_0_5057", "Cannot find a tsconfig.json file at the specified directory: '{0}'."),
- The_specified_path_does_not_exist_Colon_0: diag(5058, ts.DiagnosticCategory.Error, "The_specified_path_does_not_exist_Colon_0_5058", "The specified path does not exist: '{0}'."),
- Invalid_value_for_reactNamespace_0_is_not_a_valid_identifier: diag(5059, ts.DiagnosticCategory.Error, "Invalid_value_for_reactNamespace_0_is_not_a_valid_identifier_5059", "Invalid value for '--reactNamespace'. '{0}' is not a valid identifier."),
- Option_paths_cannot_be_used_without_specifying_baseUrl_option: diag(5060, ts.DiagnosticCategory.Error, "Option_paths_cannot_be_used_without_specifying_baseUrl_option_5060", "Option 'paths' cannot be used without specifying '--baseUrl' option."),
- Pattern_0_can_have_at_most_one_Asterisk_character: diag(5061, ts.DiagnosticCategory.Error, "Pattern_0_can_have_at_most_one_Asterisk_character_5061", "Pattern '{0}' can have at most one '*' character."),
- Substitution_0_in_pattern_1_can_have_at_most_one_Asterisk_character: diag(5062, ts.DiagnosticCategory.Error, "Substitution_0_in_pattern_1_can_have_at_most_one_Asterisk_character_5062", "Substitution '{0}' in pattern '{1}' can have at most one '*' character."),
- Substitutions_for_pattern_0_should_be_an_array: diag(5063, ts.DiagnosticCategory.Error, "Substitutions_for_pattern_0_should_be_an_array_5063", "Substitutions for pattern '{0}' should be an array."),
- Substitution_0_for_pattern_1_has_incorrect_type_expected_string_got_2: diag(5064, ts.DiagnosticCategory.Error, "Substitution_0_for_pattern_1_has_incorrect_type_expected_string_got_2_5064", "Substitution '{0}' for pattern '{1}' has incorrect type, expected 'string', got '{2}'."),
- File_specification_cannot_contain_a_parent_directory_that_appears_after_a_recursive_directory_wildcard_Asterisk_Asterisk_Colon_0: diag(5065, ts.DiagnosticCategory.Error, "File_specification_cannot_contain_a_parent_directory_that_appears_after_a_recursive_directory_wildca_5065", "File specification cannot contain a parent directory ('..') that appears after a recursive directory wildcard ('**'): '{0}'."),
- Substitutions_for_pattern_0_shouldn_t_be_an_empty_array: diag(5066, ts.DiagnosticCategory.Error, "Substitutions_for_pattern_0_shouldn_t_be_an_empty_array_5066", "Substitutions for pattern '{0}' shouldn't be an empty array."),
- Invalid_value_for_jsxFactory_0_is_not_a_valid_identifier_or_qualified_name: diag(5067, ts.DiagnosticCategory.Error, "Invalid_value_for_jsxFactory_0_is_not_a_valid_identifier_or_qualified_name_5067", "Invalid value for 'jsxFactory'. '{0}' is not a valid identifier or qualified-name."),
- Adding_a_tsconfig_json_file_will_help_organize_projects_that_contain_both_TypeScript_and_JavaScript_files_Learn_more_at_https_Colon_Slash_Slashaka_ms_Slashtsconfig: diag(5068, ts.DiagnosticCategory.Error, "Adding_a_tsconfig_json_file_will_help_organize_projects_that_contain_both_TypeScript_and_JavaScript__5068", "Adding a tsconfig.json file will help organize projects that contain both TypeScript and JavaScript files. Learn more at https://aka.ms/tsconfig."),
- Option_0_cannot_be_specified_without_specifying_option_1_or_option_2: diag(5069, ts.DiagnosticCategory.Error, "Option_0_cannot_be_specified_without_specifying_option_1_or_option_2_5069", "Option '{0}' cannot be specified without specifying option '{1}' or option '{2}'."),
- Option_resolveJsonModule_cannot_be_specified_without_node_module_resolution_strategy: diag(5070, ts.DiagnosticCategory.Error, "Option_resolveJsonModule_cannot_be_specified_without_node_module_resolution_strategy_5070", "Option '--resolveJsonModule' cannot be specified without 'node' module resolution strategy."),
- Option_resolveJsonModule_can_only_be_specified_when_module_code_generation_is_commonjs_amd_es2015_or_esNext: diag(5071, ts.DiagnosticCategory.Error, "Option_resolveJsonModule_can_only_be_specified_when_module_code_generation_is_commonjs_amd_es2015_or_5071", "Option '--resolveJsonModule' can only be specified when module code generation is 'commonjs', 'amd', 'es2015' or 'esNext'."),
- Unknown_build_option_0: diag(5072, ts.DiagnosticCategory.Error, "Unknown_build_option_0_5072", "Unknown build option '{0}'."),
- Build_option_0_requires_a_value_of_type_1: diag(5073, ts.DiagnosticCategory.Error, "Build_option_0_requires_a_value_of_type_1_5073", "Build option '{0}' requires a value of type {1}."),
- Option_incremental_can_only_be_specified_using_tsconfig_emitting_to_single_file_or_when_option_tsBuildInfoFile_is_specified: diag(5074, ts.DiagnosticCategory.Error, "Option_incremental_can_only_be_specified_using_tsconfig_emitting_to_single_file_or_when_option_tsBui_5074", "Option '--incremental' can only be specified using tsconfig, emitting to single file or when option `--tsBuildInfoFile` is specified."),
- _0_is_assignable_to_the_constraint_of_type_1_but_1_could_be_instantiated_with_a_different_subtype_of_constraint_2: diag(5075, ts.DiagnosticCategory.Error, "_0_is_assignable_to_the_constraint_of_type_1_but_1_could_be_instantiated_with_a_different_subtype_of_5075", "'{0}' is assignable to the constraint of type '{1}', but '{1}' could be instantiated with a different subtype of constraint '{2}'."),
- _0_and_1_operations_cannot_be_mixed_without_parentheses: diag(5076, ts.DiagnosticCategory.Error, "_0_and_1_operations_cannot_be_mixed_without_parentheses_5076", "'{0}' and '{1}' operations cannot be mixed without parentheses."),
- Unknown_build_option_0_Did_you_mean_1: diag(5077, ts.DiagnosticCategory.Error, "Unknown_build_option_0_Did_you_mean_1_5077", "Unknown build option '{0}'. Did you mean '{1}'?"),
- Unknown_watch_option_0: diag(5078, ts.DiagnosticCategory.Error, "Unknown_watch_option_0_5078", "Unknown watch option '{0}'."),
- Unknown_watch_option_0_Did_you_mean_1: diag(5079, ts.DiagnosticCategory.Error, "Unknown_watch_option_0_Did_you_mean_1_5079", "Unknown watch option '{0}'. Did you mean '{1}'?"),
- Watch_option_0_requires_a_value_of_type_1: diag(5080, ts.DiagnosticCategory.Error, "Watch_option_0_requires_a_value_of_type_1_5080", "Watch option '{0}' requires a value of type {1}."),
- Cannot_find_a_tsconfig_json_file_at_the_current_directory_Colon_0: diag(5081, ts.DiagnosticCategory.Error, "Cannot_find_a_tsconfig_json_file_at_the_current_directory_Colon_0_5081", "Cannot find a tsconfig.json file at the current directory: {0}."),
- _0_could_be_instantiated_with_an_arbitrary_type_which_could_be_unrelated_to_1: diag(5082, ts.DiagnosticCategory.Error, "_0_could_be_instantiated_with_an_arbitrary_type_which_could_be_unrelated_to_1_5082", "'{0}' could be instantiated with an arbitrary type which could be unrelated to '{1}'."),
- Cannot_read_file_0: diag(5083, ts.DiagnosticCategory.Error, "Cannot_read_file_0_5083", "Cannot read file '{0}'."),
- The_inferred_type_of_0_references_a_type_with_a_cyclic_structure_which_cannot_be_trivially_serialized_A_type_annotation_is_necessary: diag(5088, ts.DiagnosticCategory.Error, "The_inferred_type_of_0_references_a_type_with_a_cyclic_structure_which_cannot_be_trivially_serialize_5088", "The inferred type of '{0}' references a type with a cyclic structure which cannot be trivially serialized. A type annotation is necessary."),
- Generates_a_sourcemap_for_each_corresponding_d_ts_file: diag(6000, ts.DiagnosticCategory.Message, "Generates_a_sourcemap_for_each_corresponding_d_ts_file_6000", "Generates a sourcemap for each corresponding '.d.ts' file."),
- Concatenate_and_emit_output_to_single_file: diag(6001, ts.DiagnosticCategory.Message, "Concatenate_and_emit_output_to_single_file_6001", "Concatenate and emit output to single file."),
- Generates_corresponding_d_ts_file: diag(6002, ts.DiagnosticCategory.Message, "Generates_corresponding_d_ts_file_6002", "Generates corresponding '.d.ts' file."),
- Specify_the_location_where_debugger_should_locate_map_files_instead_of_generated_locations: diag(6003, ts.DiagnosticCategory.Message, "Specify_the_location_where_debugger_should_locate_map_files_instead_of_generated_locations_6003", "Specify the location where debugger should locate map files instead of generated locations."),
- Specify_the_location_where_debugger_should_locate_TypeScript_files_instead_of_source_locations: diag(6004, ts.DiagnosticCategory.Message, "Specify_the_location_where_debugger_should_locate_TypeScript_files_instead_of_source_locations_6004", "Specify the location where debugger should locate TypeScript files instead of source locations."),
- Watch_input_files: diag(6005, ts.DiagnosticCategory.Message, "Watch_input_files_6005", "Watch input files."),
- Redirect_output_structure_to_the_directory: diag(6006, ts.DiagnosticCategory.Message, "Redirect_output_structure_to_the_directory_6006", "Redirect output structure to the directory."),
- Do_not_erase_const_enum_declarations_in_generated_code: diag(6007, ts.DiagnosticCategory.Message, "Do_not_erase_const_enum_declarations_in_generated_code_6007", "Do not erase const enum declarations in generated code."),
- Do_not_emit_outputs_if_any_errors_were_reported: diag(6008, ts.DiagnosticCategory.Message, "Do_not_emit_outputs_if_any_errors_were_reported_6008", "Do not emit outputs if any errors were reported."),
- Do_not_emit_comments_to_output: diag(6009, ts.DiagnosticCategory.Message, "Do_not_emit_comments_to_output_6009", "Do not emit comments to output."),
- Do_not_emit_outputs: diag(6010, ts.DiagnosticCategory.Message, "Do_not_emit_outputs_6010", "Do not emit outputs."),
- Allow_default_imports_from_modules_with_no_default_export_This_does_not_affect_code_emit_just_typechecking: diag(6011, ts.DiagnosticCategory.Message, "Allow_default_imports_from_modules_with_no_default_export_This_does_not_affect_code_emit_just_typech_6011", "Allow default imports from modules with no default export. This does not affect code emit, just typechecking."),
- Skip_type_checking_of_declaration_files: diag(6012, ts.DiagnosticCategory.Message, "Skip_type_checking_of_declaration_files_6012", "Skip type checking of declaration files."),
- Do_not_resolve_the_real_path_of_symlinks: diag(6013, ts.DiagnosticCategory.Message, "Do_not_resolve_the_real_path_of_symlinks_6013", "Do not resolve the real path of symlinks."),
- Only_emit_d_ts_declaration_files: diag(6014, ts.DiagnosticCategory.Message, "Only_emit_d_ts_declaration_files_6014", "Only emit '.d.ts' declaration files."),
- Specify_ECMAScript_target_version_Colon_ES3_default_ES5_ES2015_ES2016_ES2017_ES2018_ES2019_ES2020_or_ESNEXT: diag(6015, ts.DiagnosticCategory.Message, "Specify_ECMAScript_target_version_Colon_ES3_default_ES5_ES2015_ES2016_ES2017_ES2018_ES2019_ES2020_or_6015", "Specify ECMAScript target version: 'ES3' (default), 'ES5', 'ES2015', 'ES2016', 'ES2017', 'ES2018', 'ES2019', 'ES2020', or 'ESNEXT'."),
- Specify_module_code_generation_Colon_none_commonjs_amd_system_umd_es2015_es2020_or_ESNext: diag(6016, ts.DiagnosticCategory.Message, "Specify_module_code_generation_Colon_none_commonjs_amd_system_umd_es2015_es2020_or_ESNext_6016", "Specify module code generation: 'none', 'commonjs', 'amd', 'system', 'umd', 'es2015', 'es2020', or 'ESNext'."),
- Print_this_message: diag(6017, ts.DiagnosticCategory.Message, "Print_this_message_6017", "Print this message."),
- Print_the_compiler_s_version: diag(6019, ts.DiagnosticCategory.Message, "Print_the_compiler_s_version_6019", "Print the compiler's version."),
- Compile_the_project_given_the_path_to_its_configuration_file_or_to_a_folder_with_a_tsconfig_json: diag(6020, ts.DiagnosticCategory.Message, "Compile_the_project_given_the_path_to_its_configuration_file_or_to_a_folder_with_a_tsconfig_json_6020", "Compile the project given the path to its configuration file, or to a folder with a 'tsconfig.json'."),
- Syntax_Colon_0: diag(6023, ts.DiagnosticCategory.Message, "Syntax_Colon_0_6023", "Syntax: {0}"),
- options: diag(6024, ts.DiagnosticCategory.Message, "options_6024", "options"),
- file: diag(6025, ts.DiagnosticCategory.Message, "file_6025", "file"),
- Examples_Colon_0: diag(6026, ts.DiagnosticCategory.Message, "Examples_Colon_0_6026", "Examples: {0}"),
- Options_Colon: diag(6027, ts.DiagnosticCategory.Message, "Options_Colon_6027", "Options:"),
- Version_0: diag(6029, ts.DiagnosticCategory.Message, "Version_0_6029", "Version {0}"),
- Insert_command_line_options_and_files_from_a_file: diag(6030, ts.DiagnosticCategory.Message, "Insert_command_line_options_and_files_from_a_file_6030", "Insert command line options and files from a file."),
- Starting_compilation_in_watch_mode: diag(6031, ts.DiagnosticCategory.Message, "Starting_compilation_in_watch_mode_6031", "Starting compilation in watch mode..."),
- File_change_detected_Starting_incremental_compilation: diag(6032, ts.DiagnosticCategory.Message, "File_change_detected_Starting_incremental_compilation_6032", "File change detected. Starting incremental compilation..."),
- KIND: diag(6034, ts.DiagnosticCategory.Message, "KIND_6034", "KIND"),
- FILE: diag(6035, ts.DiagnosticCategory.Message, "FILE_6035", "FILE"),
- VERSION: diag(6036, ts.DiagnosticCategory.Message, "VERSION_6036", "VERSION"),
- LOCATION: diag(6037, ts.DiagnosticCategory.Message, "LOCATION_6037", "LOCATION"),
- DIRECTORY: diag(6038, ts.DiagnosticCategory.Message, "DIRECTORY_6038", "DIRECTORY"),
- STRATEGY: diag(6039, ts.DiagnosticCategory.Message, "STRATEGY_6039", "STRATEGY"),
- FILE_OR_DIRECTORY: diag(6040, ts.DiagnosticCategory.Message, "FILE_OR_DIRECTORY_6040", "FILE OR DIRECTORY"),
- Generates_corresponding_map_file: diag(6043, ts.DiagnosticCategory.Message, "Generates_corresponding_map_file_6043", "Generates corresponding '.map' file."),
- Compiler_option_0_expects_an_argument: diag(6044, ts.DiagnosticCategory.Error, "Compiler_option_0_expects_an_argument_6044", "Compiler option '{0}' expects an argument."),
- Unterminated_quoted_string_in_response_file_0: diag(6045, ts.DiagnosticCategory.Error, "Unterminated_quoted_string_in_response_file_0_6045", "Unterminated quoted string in response file '{0}'."),
- Argument_for_0_option_must_be_Colon_1: diag(6046, ts.DiagnosticCategory.Error, "Argument_for_0_option_must_be_Colon_1_6046", "Argument for '{0}' option must be: {1}."),
- Locale_must_be_of_the_form_language_or_language_territory_For_example_0_or_1: diag(6048, ts.DiagnosticCategory.Error, "Locale_must_be_of_the_form_language_or_language_territory_For_example_0_or_1_6048", "Locale must be of the form <language> or <language>-<territory>. For example '{0}' or '{1}'."),
- Unsupported_locale_0: diag(6049, ts.DiagnosticCategory.Error, "Unsupported_locale_0_6049", "Unsupported locale '{0}'."),
- Unable_to_open_file_0: diag(6050, ts.DiagnosticCategory.Error, "Unable_to_open_file_0_6050", "Unable to open file '{0}'."),
- Corrupted_locale_file_0: diag(6051, ts.DiagnosticCategory.Error, "Corrupted_locale_file_0_6051", "Corrupted locale file {0}."),
- Raise_error_on_expressions_and_declarations_with_an_implied_any_type: diag(6052, ts.DiagnosticCategory.Message, "Raise_error_on_expressions_and_declarations_with_an_implied_any_type_6052", "Raise error on expressions and declarations with an implied 'any' type."),
- File_0_not_found: diag(6053, ts.DiagnosticCategory.Error, "File_0_not_found_6053", "File '{0}' not found."),
- File_0_has_an_unsupported_extension_The_only_supported_extensions_are_1: diag(6054, ts.DiagnosticCategory.Error, "File_0_has_an_unsupported_extension_The_only_supported_extensions_are_1_6054", "File '{0}' has an unsupported extension. The only supported extensions are {1}."),
- Suppress_noImplicitAny_errors_for_indexing_objects_lacking_index_signatures: diag(6055, ts.DiagnosticCategory.Message, "Suppress_noImplicitAny_errors_for_indexing_objects_lacking_index_signatures_6055", "Suppress noImplicitAny errors for indexing objects lacking index signatures."),
- Do_not_emit_declarations_for_code_that_has_an_internal_annotation: diag(6056, ts.DiagnosticCategory.Message, "Do_not_emit_declarations_for_code_that_has_an_internal_annotation_6056", "Do not emit declarations for code that has an '@internal' annotation."),
- Specify_the_root_directory_of_input_files_Use_to_control_the_output_directory_structure_with_outDir: diag(6058, ts.DiagnosticCategory.Message, "Specify_the_root_directory_of_input_files_Use_to_control_the_output_directory_structure_with_outDir_6058", "Specify the root directory of input files. Use to control the output directory structure with --outDir."),
- File_0_is_not_under_rootDir_1_rootDir_is_expected_to_contain_all_source_files: diag(6059, ts.DiagnosticCategory.Error, "File_0_is_not_under_rootDir_1_rootDir_is_expected_to_contain_all_source_files_6059", "File '{0}' is not under 'rootDir' '{1}'. 'rootDir' is expected to contain all source files."),
- Specify_the_end_of_line_sequence_to_be_used_when_emitting_files_Colon_CRLF_dos_or_LF_unix: diag(6060, ts.DiagnosticCategory.Message, "Specify_the_end_of_line_sequence_to_be_used_when_emitting_files_Colon_CRLF_dos_or_LF_unix_6060", "Specify the end of line sequence to be used when emitting files: 'CRLF' (dos) or 'LF' (unix)."),
- NEWLINE: diag(6061, ts.DiagnosticCategory.Message, "NEWLINE_6061", "NEWLINE"),
- Option_0_can_only_be_specified_in_tsconfig_json_file_or_set_to_null_on_command_line: diag(6064, ts.DiagnosticCategory.Error, "Option_0_can_only_be_specified_in_tsconfig_json_file_or_set_to_null_on_command_line_6064", "Option '{0}' can only be specified in 'tsconfig.json' file or set to 'null' on command line."),
- Enables_experimental_support_for_ES7_decorators: diag(6065, ts.DiagnosticCategory.Message, "Enables_experimental_support_for_ES7_decorators_6065", "Enables experimental support for ES7 decorators."),
- Enables_experimental_support_for_emitting_type_metadata_for_decorators: diag(6066, ts.DiagnosticCategory.Message, "Enables_experimental_support_for_emitting_type_metadata_for_decorators_6066", "Enables experimental support for emitting type metadata for decorators."),
- Enables_experimental_support_for_ES7_async_functions: diag(6068, ts.DiagnosticCategory.Message, "Enables_experimental_support_for_ES7_async_functions_6068", "Enables experimental support for ES7 async functions."),
- Specify_module_resolution_strategy_Colon_node_Node_js_or_classic_TypeScript_pre_1_6: diag(6069, ts.DiagnosticCategory.Message, "Specify_module_resolution_strategy_Colon_node_Node_js_or_classic_TypeScript_pre_1_6_6069", "Specify module resolution strategy: 'node' (Node.js) or 'classic' (TypeScript pre-1.6)."),
- Initializes_a_TypeScript_project_and_creates_a_tsconfig_json_file: diag(6070, ts.DiagnosticCategory.Message, "Initializes_a_TypeScript_project_and_creates_a_tsconfig_json_file_6070", "Initializes a TypeScript project and creates a tsconfig.json file."),
- Successfully_created_a_tsconfig_json_file: diag(6071, ts.DiagnosticCategory.Message, "Successfully_created_a_tsconfig_json_file_6071", "Successfully created a tsconfig.json file."),
- Suppress_excess_property_checks_for_object_literals: diag(6072, ts.DiagnosticCategory.Message, "Suppress_excess_property_checks_for_object_literals_6072", "Suppress excess property checks for object literals."),
- Stylize_errors_and_messages_using_color_and_context_experimental: diag(6073, ts.DiagnosticCategory.Message, "Stylize_errors_and_messages_using_color_and_context_experimental_6073", "Stylize errors and messages using color and context (experimental)."),
- Do_not_report_errors_on_unused_labels: diag(6074, ts.DiagnosticCategory.Message, "Do_not_report_errors_on_unused_labels_6074", "Do not report errors on unused labels."),
- Report_error_when_not_all_code_paths_in_function_return_a_value: diag(6075, ts.DiagnosticCategory.Message, "Report_error_when_not_all_code_paths_in_function_return_a_value_6075", "Report error when not all code paths in function return a value."),
- Report_errors_for_fallthrough_cases_in_switch_statement: diag(6076, ts.DiagnosticCategory.Message, "Report_errors_for_fallthrough_cases_in_switch_statement_6076", "Report errors for fallthrough cases in switch statement."),
- Do_not_report_errors_on_unreachable_code: diag(6077, ts.DiagnosticCategory.Message, "Do_not_report_errors_on_unreachable_code_6077", "Do not report errors on unreachable code."),
- Disallow_inconsistently_cased_references_to_the_same_file: diag(6078, ts.DiagnosticCategory.Message, "Disallow_inconsistently_cased_references_to_the_same_file_6078", "Disallow inconsistently-cased references to the same file."),
- Specify_library_files_to_be_included_in_the_compilation: diag(6079, ts.DiagnosticCategory.Message, "Specify_library_files_to_be_included_in_the_compilation_6079", "Specify library files to be included in the compilation."),
- Specify_JSX_code_generation_Colon_preserve_react_native_or_react: diag(6080, ts.DiagnosticCategory.Message, "Specify_JSX_code_generation_Colon_preserve_react_native_or_react_6080", "Specify JSX code generation: 'preserve', 'react-native', or 'react'."),
- File_0_has_an_unsupported_extension_so_skipping_it: diag(6081, ts.DiagnosticCategory.Message, "File_0_has_an_unsupported_extension_so_skipping_it_6081", "File '{0}' has an unsupported extension, so skipping it."),
- Only_amd_and_system_modules_are_supported_alongside_0: diag(6082, ts.DiagnosticCategory.Error, "Only_amd_and_system_modules_are_supported_alongside_0_6082", "Only 'amd' and 'system' modules are supported alongside --{0}."),
- Base_directory_to_resolve_non_absolute_module_names: diag(6083, ts.DiagnosticCategory.Message, "Base_directory_to_resolve_non_absolute_module_names_6083", "Base directory to resolve non-absolute module names."),
- Deprecated_Use_jsxFactory_instead_Specify_the_object_invoked_for_createElement_when_targeting_react_JSX_emit: diag(6084, ts.DiagnosticCategory.Message, "Deprecated_Use_jsxFactory_instead_Specify_the_object_invoked_for_createElement_when_targeting_react__6084", "[Deprecated] Use '--jsxFactory' instead. Specify the object invoked for createElement when targeting 'react' JSX emit"),
- Enable_tracing_of_the_name_resolution_process: diag(6085, ts.DiagnosticCategory.Message, "Enable_tracing_of_the_name_resolution_process_6085", "Enable tracing of the name resolution process."),
- Resolving_module_0_from_1: diag(6086, ts.DiagnosticCategory.Message, "Resolving_module_0_from_1_6086", "======== Resolving module '{0}' from '{1}'. ========"),
- Explicitly_specified_module_resolution_kind_Colon_0: diag(6087, ts.DiagnosticCategory.Message, "Explicitly_specified_module_resolution_kind_Colon_0_6087", "Explicitly specified module resolution kind: '{0}'."),
- Module_resolution_kind_is_not_specified_using_0: diag(6088, ts.DiagnosticCategory.Message, "Module_resolution_kind_is_not_specified_using_0_6088", "Module resolution kind is not specified, using '{0}'."),
- Module_name_0_was_successfully_resolved_to_1: diag(6089, ts.DiagnosticCategory.Message, "Module_name_0_was_successfully_resolved_to_1_6089", "======== Module name '{0}' was successfully resolved to '{1}'. ========"),
- Module_name_0_was_not_resolved: diag(6090, ts.DiagnosticCategory.Message, "Module_name_0_was_not_resolved_6090", "======== Module name '{0}' was not resolved. ========"),
- paths_option_is_specified_looking_for_a_pattern_to_match_module_name_0: diag(6091, ts.DiagnosticCategory.Message, "paths_option_is_specified_looking_for_a_pattern_to_match_module_name_0_6091", "'paths' option is specified, looking for a pattern to match module name '{0}'."),
- Module_name_0_matched_pattern_1: diag(6092, ts.DiagnosticCategory.Message, "Module_name_0_matched_pattern_1_6092", "Module name '{0}', matched pattern '{1}'."),
- Trying_substitution_0_candidate_module_location_Colon_1: diag(6093, ts.DiagnosticCategory.Message, "Trying_substitution_0_candidate_module_location_Colon_1_6093", "Trying substitution '{0}', candidate module location: '{1}'."),
- Resolving_module_name_0_relative_to_base_url_1_2: diag(6094, ts.DiagnosticCategory.Message, "Resolving_module_name_0_relative_to_base_url_1_2_6094", "Resolving module name '{0}' relative to base url '{1}' - '{2}'."),
- Loading_module_as_file_Slash_folder_candidate_module_location_0_target_file_type_1: diag(6095, ts.DiagnosticCategory.Message, "Loading_module_as_file_Slash_folder_candidate_module_location_0_target_file_type_1_6095", "Loading module as file / folder, candidate module location '{0}', target file type '{1}'."),
- File_0_does_not_exist: diag(6096, ts.DiagnosticCategory.Message, "File_0_does_not_exist_6096", "File '{0}' does not exist."),
- File_0_exist_use_it_as_a_name_resolution_result: diag(6097, ts.DiagnosticCategory.Message, "File_0_exist_use_it_as_a_name_resolution_result_6097", "File '{0}' exist - use it as a name resolution result."),
- Loading_module_0_from_node_modules_folder_target_file_type_1: diag(6098, ts.DiagnosticCategory.Message, "Loading_module_0_from_node_modules_folder_target_file_type_1_6098", "Loading module '{0}' from 'node_modules' folder, target file type '{1}'."),
- Found_package_json_at_0: diag(6099, ts.DiagnosticCategory.Message, "Found_package_json_at_0_6099", "Found 'package.json' at '{0}'."),
- package_json_does_not_have_a_0_field: diag(6100, ts.DiagnosticCategory.Message, "package_json_does_not_have_a_0_field_6100", "'package.json' does not have a '{0}' field."),
- package_json_has_0_field_1_that_references_2: diag(6101, ts.DiagnosticCategory.Message, "package_json_has_0_field_1_that_references_2_6101", "'package.json' has '{0}' field '{1}' that references '{2}'."),
- Allow_javascript_files_to_be_compiled: diag(6102, ts.DiagnosticCategory.Message, "Allow_javascript_files_to_be_compiled_6102", "Allow javascript files to be compiled."),
- Option_0_should_have_array_of_strings_as_a_value: diag(6103, ts.DiagnosticCategory.Error, "Option_0_should_have_array_of_strings_as_a_value_6103", "Option '{0}' should have array of strings as a value."),
- Checking_if_0_is_the_longest_matching_prefix_for_1_2: diag(6104, ts.DiagnosticCategory.Message, "Checking_if_0_is_the_longest_matching_prefix_for_1_2_6104", "Checking if '{0}' is the longest matching prefix for '{1}' - '{2}'."),
- Expected_type_of_0_field_in_package_json_to_be_1_got_2: diag(6105, ts.DiagnosticCategory.Message, "Expected_type_of_0_field_in_package_json_to_be_1_got_2_6105", "Expected type of '{0}' field in 'package.json' to be '{1}', got '{2}'."),
- baseUrl_option_is_set_to_0_using_this_value_to_resolve_non_relative_module_name_1: diag(6106, ts.DiagnosticCategory.Message, "baseUrl_option_is_set_to_0_using_this_value_to_resolve_non_relative_module_name_1_6106", "'baseUrl' option is set to '{0}', using this value to resolve non-relative module name '{1}'."),
- rootDirs_option_is_set_using_it_to_resolve_relative_module_name_0: diag(6107, ts.DiagnosticCategory.Message, "rootDirs_option_is_set_using_it_to_resolve_relative_module_name_0_6107", "'rootDirs' option is set, using it to resolve relative module name '{0}'."),
- Longest_matching_prefix_for_0_is_1: diag(6108, ts.DiagnosticCategory.Message, "Longest_matching_prefix_for_0_is_1_6108", "Longest matching prefix for '{0}' is '{1}'."),
- Loading_0_from_the_root_dir_1_candidate_location_2: diag(6109, ts.DiagnosticCategory.Message, "Loading_0_from_the_root_dir_1_candidate_location_2_6109", "Loading '{0}' from the root dir '{1}', candidate location '{2}'."),
- Trying_other_entries_in_rootDirs: diag(6110, ts.DiagnosticCategory.Message, "Trying_other_entries_in_rootDirs_6110", "Trying other entries in 'rootDirs'."),
- Module_resolution_using_rootDirs_has_failed: diag(6111, ts.DiagnosticCategory.Message, "Module_resolution_using_rootDirs_has_failed_6111", "Module resolution using 'rootDirs' has failed."),
- Do_not_emit_use_strict_directives_in_module_output: diag(6112, ts.DiagnosticCategory.Message, "Do_not_emit_use_strict_directives_in_module_output_6112", "Do not emit 'use strict' directives in module output."),
- Enable_strict_null_checks: diag(6113, ts.DiagnosticCategory.Message, "Enable_strict_null_checks_6113", "Enable strict null checks."),
- Unknown_option_excludes_Did_you_mean_exclude: diag(6114, ts.DiagnosticCategory.Error, "Unknown_option_excludes_Did_you_mean_exclude_6114", "Unknown option 'excludes'. Did you mean 'exclude'?"),
- Raise_error_on_this_expressions_with_an_implied_any_type: diag(6115, ts.DiagnosticCategory.Message, "Raise_error_on_this_expressions_with_an_implied_any_type_6115", "Raise error on 'this' expressions with an implied 'any' type."),
- Resolving_type_reference_directive_0_containing_file_1_root_directory_2: diag(6116, ts.DiagnosticCategory.Message, "Resolving_type_reference_directive_0_containing_file_1_root_directory_2_6116", "======== Resolving type reference directive '{0}', containing file '{1}', root directory '{2}'. ========"),
- Resolving_using_primary_search_paths: diag(6117, ts.DiagnosticCategory.Message, "Resolving_using_primary_search_paths_6117", "Resolving using primary search paths..."),
- Resolving_from_node_modules_folder: diag(6118, ts.DiagnosticCategory.Message, "Resolving_from_node_modules_folder_6118", "Resolving from node_modules folder..."),
- Type_reference_directive_0_was_successfully_resolved_to_1_primary_Colon_2: diag(6119, ts.DiagnosticCategory.Message, "Type_reference_directive_0_was_successfully_resolved_to_1_primary_Colon_2_6119", "======== Type reference directive '{0}' was successfully resolved to '{1}', primary: {2}. ========"),
- Type_reference_directive_0_was_not_resolved: diag(6120, ts.DiagnosticCategory.Message, "Type_reference_directive_0_was_not_resolved_6120", "======== Type reference directive '{0}' was not resolved. ========"),
- Resolving_with_primary_search_path_0: diag(6121, ts.DiagnosticCategory.Message, "Resolving_with_primary_search_path_0_6121", "Resolving with primary search path '{0}'."),
- Root_directory_cannot_be_determined_skipping_primary_search_paths: diag(6122, ts.DiagnosticCategory.Message, "Root_directory_cannot_be_determined_skipping_primary_search_paths_6122", "Root directory cannot be determined, skipping primary search paths."),
- Resolving_type_reference_directive_0_containing_file_1_root_directory_not_set: diag(6123, ts.DiagnosticCategory.Message, "Resolving_type_reference_directive_0_containing_file_1_root_directory_not_set_6123", "======== Resolving type reference directive '{0}', containing file '{1}', root directory not set. ========"),
- Type_declaration_files_to_be_included_in_compilation: diag(6124, ts.DiagnosticCategory.Message, "Type_declaration_files_to_be_included_in_compilation_6124", "Type declaration files to be included in compilation."),
- Looking_up_in_node_modules_folder_initial_location_0: diag(6125, ts.DiagnosticCategory.Message, "Looking_up_in_node_modules_folder_initial_location_0_6125", "Looking up in 'node_modules' folder, initial location '{0}'."),
- Containing_file_is_not_specified_and_root_directory_cannot_be_determined_skipping_lookup_in_node_modules_folder: diag(6126, ts.DiagnosticCategory.Message, "Containing_file_is_not_specified_and_root_directory_cannot_be_determined_skipping_lookup_in_node_mod_6126", "Containing file is not specified and root directory cannot be determined, skipping lookup in 'node_modules' folder."),
- Resolving_type_reference_directive_0_containing_file_not_set_root_directory_1: diag(6127, ts.DiagnosticCategory.Message, "Resolving_type_reference_directive_0_containing_file_not_set_root_directory_1_6127", "======== Resolving type reference directive '{0}', containing file not set, root directory '{1}'. ========"),
- Resolving_type_reference_directive_0_containing_file_not_set_root_directory_not_set: diag(6128, ts.DiagnosticCategory.Message, "Resolving_type_reference_directive_0_containing_file_not_set_root_directory_not_set_6128", "======== Resolving type reference directive '{0}', containing file not set, root directory not set. ========"),
- Resolving_real_path_for_0_result_1: diag(6130, ts.DiagnosticCategory.Message, "Resolving_real_path_for_0_result_1_6130", "Resolving real path for '{0}', result '{1}'."),
- Cannot_compile_modules_using_option_0_unless_the_module_flag_is_amd_or_system: diag(6131, ts.DiagnosticCategory.Error, "Cannot_compile_modules_using_option_0_unless_the_module_flag_is_amd_or_system_6131", "Cannot compile modules using option '{0}' unless the '--module' flag is 'amd' or 'system'."),
- File_name_0_has_a_1_extension_stripping_it: diag(6132, ts.DiagnosticCategory.Message, "File_name_0_has_a_1_extension_stripping_it_6132", "File name '{0}' has a '{1}' extension - stripping it."),
- _0_is_declared_but_its_value_is_never_read: diag(6133, ts.DiagnosticCategory.Error, "_0_is_declared_but_its_value_is_never_read_6133", "'{0}' is declared but its value is never read.", /*reportsUnnecessary*/ true),
- Report_errors_on_unused_locals: diag(6134, ts.DiagnosticCategory.Message, "Report_errors_on_unused_locals_6134", "Report errors on unused locals."),
- Report_errors_on_unused_parameters: diag(6135, ts.DiagnosticCategory.Message, "Report_errors_on_unused_parameters_6135", "Report errors on unused parameters."),
- The_maximum_dependency_depth_to_search_under_node_modules_and_load_JavaScript_files: diag(6136, ts.DiagnosticCategory.Message, "The_maximum_dependency_depth_to_search_under_node_modules_and_load_JavaScript_files_6136", "The maximum dependency depth to search under node_modules and load JavaScript files."),
- Cannot_import_type_declaration_files_Consider_importing_0_instead_of_1: diag(6137, ts.DiagnosticCategory.Error, "Cannot_import_type_declaration_files_Consider_importing_0_instead_of_1_6137", "Cannot import type declaration files. Consider importing '{0}' instead of '{1}'."),
- Property_0_is_declared_but_its_value_is_never_read: diag(6138, ts.DiagnosticCategory.Error, "Property_0_is_declared_but_its_value_is_never_read_6138", "Property '{0}' is declared but its value is never read.", /*reportsUnnecessary*/ true),
- Import_emit_helpers_from_tslib: diag(6139, ts.DiagnosticCategory.Message, "Import_emit_helpers_from_tslib_6139", "Import emit helpers from 'tslib'."),
- Auto_discovery_for_typings_is_enabled_in_project_0_Running_extra_resolution_pass_for_module_1_using_cache_location_2: diag(6140, ts.DiagnosticCategory.Error, "Auto_discovery_for_typings_is_enabled_in_project_0_Running_extra_resolution_pass_for_module_1_using__6140", "Auto discovery for typings is enabled in project '{0}'. Running extra resolution pass for module '{1}' using cache location '{2}'."),
- Parse_in_strict_mode_and_emit_use_strict_for_each_source_file: diag(6141, ts.DiagnosticCategory.Message, "Parse_in_strict_mode_and_emit_use_strict_for_each_source_file_6141", "Parse in strict mode and emit \"use strict\" for each source file."),
- Module_0_was_resolved_to_1_but_jsx_is_not_set: diag(6142, ts.DiagnosticCategory.Error, "Module_0_was_resolved_to_1_but_jsx_is_not_set_6142", "Module '{0}' was resolved to '{1}', but '--jsx' is not set."),
- Module_0_was_resolved_as_locally_declared_ambient_module_in_file_1: diag(6144, ts.DiagnosticCategory.Message, "Module_0_was_resolved_as_locally_declared_ambient_module_in_file_1_6144", "Module '{0}' was resolved as locally declared ambient module in file '{1}'."),
- Module_0_was_resolved_as_ambient_module_declared_in_1_since_this_file_was_not_modified: diag(6145, ts.DiagnosticCategory.Message, "Module_0_was_resolved_as_ambient_module_declared_in_1_since_this_file_was_not_modified_6145", "Module '{0}' was resolved as ambient module declared in '{1}' since this file was not modified."),
- Specify_the_JSX_factory_function_to_use_when_targeting_react_JSX_emit_e_g_React_createElement_or_h: diag(6146, ts.DiagnosticCategory.Message, "Specify_the_JSX_factory_function_to_use_when_targeting_react_JSX_emit_e_g_React_createElement_or_h_6146", "Specify the JSX factory function to use when targeting 'react' JSX emit, e.g. 'React.createElement' or 'h'."),
- Resolution_for_module_0_was_found_in_cache_from_location_1: diag(6147, ts.DiagnosticCategory.Message, "Resolution_for_module_0_was_found_in_cache_from_location_1_6147", "Resolution for module '{0}' was found in cache from location '{1}'."),
- Directory_0_does_not_exist_skipping_all_lookups_in_it: diag(6148, ts.DiagnosticCategory.Message, "Directory_0_does_not_exist_skipping_all_lookups_in_it_6148", "Directory '{0}' does not exist, skipping all lookups in it."),
- Show_diagnostic_information: diag(6149, ts.DiagnosticCategory.Message, "Show_diagnostic_information_6149", "Show diagnostic information."),
- Show_verbose_diagnostic_information: diag(6150, ts.DiagnosticCategory.Message, "Show_verbose_diagnostic_information_6150", "Show verbose diagnostic information."),
- Emit_a_single_file_with_source_maps_instead_of_having_a_separate_file: diag(6151, ts.DiagnosticCategory.Message, "Emit_a_single_file_with_source_maps_instead_of_having_a_separate_file_6151", "Emit a single file with source maps instead of having a separate file."),
- Emit_the_source_alongside_the_sourcemaps_within_a_single_file_requires_inlineSourceMap_or_sourceMap_to_be_set: diag(6152, ts.DiagnosticCategory.Message, "Emit_the_source_alongside_the_sourcemaps_within_a_single_file_requires_inlineSourceMap_or_sourceMap__6152", "Emit the source alongside the sourcemaps within a single file; requires '--inlineSourceMap' or '--sourceMap' to be set."),
- Transpile_each_file_as_a_separate_module_similar_to_ts_transpileModule: diag(6153, ts.DiagnosticCategory.Message, "Transpile_each_file_as_a_separate_module_similar_to_ts_transpileModule_6153", "Transpile each file as a separate module (similar to 'ts.transpileModule')."),
- Print_names_of_generated_files_part_of_the_compilation: diag(6154, ts.DiagnosticCategory.Message, "Print_names_of_generated_files_part_of_the_compilation_6154", "Print names of generated files part of the compilation."),
- Print_names_of_files_part_of_the_compilation: diag(6155, ts.DiagnosticCategory.Message, "Print_names_of_files_part_of_the_compilation_6155", "Print names of files part of the compilation."),
- The_locale_used_when_displaying_messages_to_the_user_e_g_en_us: diag(6156, ts.DiagnosticCategory.Message, "The_locale_used_when_displaying_messages_to_the_user_e_g_en_us_6156", "The locale used when displaying messages to the user (e.g. 'en-us')"),
- Do_not_generate_custom_helper_functions_like_extends_in_compiled_output: diag(6157, ts.DiagnosticCategory.Message, "Do_not_generate_custom_helper_functions_like_extends_in_compiled_output_6157", "Do not generate custom helper functions like '__extends' in compiled output."),
- Do_not_include_the_default_library_file_lib_d_ts: diag(6158, ts.DiagnosticCategory.Message, "Do_not_include_the_default_library_file_lib_d_ts_6158", "Do not include the default library file (lib.d.ts)."),
- Do_not_add_triple_slash_references_or_imported_modules_to_the_list_of_compiled_files: diag(6159, ts.DiagnosticCategory.Message, "Do_not_add_triple_slash_references_or_imported_modules_to_the_list_of_compiled_files_6159", "Do not add triple-slash references or imported modules to the list of compiled files."),
- Deprecated_Use_skipLibCheck_instead_Skip_type_checking_of_default_library_declaration_files: diag(6160, ts.DiagnosticCategory.Message, "Deprecated_Use_skipLibCheck_instead_Skip_type_checking_of_default_library_declaration_files_6160", "[Deprecated] Use '--skipLibCheck' instead. Skip type checking of default library declaration files."),
- List_of_folders_to_include_type_definitions_from: diag(6161, ts.DiagnosticCategory.Message, "List_of_folders_to_include_type_definitions_from_6161", "List of folders to include type definitions from."),
- Disable_size_limitations_on_JavaScript_projects: diag(6162, ts.DiagnosticCategory.Message, "Disable_size_limitations_on_JavaScript_projects_6162", "Disable size limitations on JavaScript projects."),
- The_character_set_of_the_input_files: diag(6163, ts.DiagnosticCategory.Message, "The_character_set_of_the_input_files_6163", "The character set of the input files."),
- Emit_a_UTF_8_Byte_Order_Mark_BOM_in_the_beginning_of_output_files: diag(6164, ts.DiagnosticCategory.Message, "Emit_a_UTF_8_Byte_Order_Mark_BOM_in_the_beginning_of_output_files_6164", "Emit a UTF-8 Byte Order Mark (BOM) in the beginning of output files."),
- Do_not_truncate_error_messages: diag(6165, ts.DiagnosticCategory.Message, "Do_not_truncate_error_messages_6165", "Do not truncate error messages."),
- Output_directory_for_generated_declaration_files: diag(6166, ts.DiagnosticCategory.Message, "Output_directory_for_generated_declaration_files_6166", "Output directory for generated declaration files."),
- A_series_of_entries_which_re_map_imports_to_lookup_locations_relative_to_the_baseUrl: diag(6167, ts.DiagnosticCategory.Message, "A_series_of_entries_which_re_map_imports_to_lookup_locations_relative_to_the_baseUrl_6167", "A series of entries which re-map imports to lookup locations relative to the 'baseUrl'."),
- List_of_root_folders_whose_combined_content_represents_the_structure_of_the_project_at_runtime: diag(6168, ts.DiagnosticCategory.Message, "List_of_root_folders_whose_combined_content_represents_the_structure_of_the_project_at_runtime_6168", "List of root folders whose combined content represents the structure of the project at runtime."),
- Show_all_compiler_options: diag(6169, ts.DiagnosticCategory.Message, "Show_all_compiler_options_6169", "Show all compiler options."),
- Deprecated_Use_outFile_instead_Concatenate_and_emit_output_to_single_file: diag(6170, ts.DiagnosticCategory.Message, "Deprecated_Use_outFile_instead_Concatenate_and_emit_output_to_single_file_6170", "[Deprecated] Use '--outFile' instead. Concatenate and emit output to single file"),
- Command_line_Options: diag(6171, ts.DiagnosticCategory.Message, "Command_line_Options_6171", "Command-line Options"),
- Basic_Options: diag(6172, ts.DiagnosticCategory.Message, "Basic_Options_6172", "Basic Options"),
- Strict_Type_Checking_Options: diag(6173, ts.DiagnosticCategory.Message, "Strict_Type_Checking_Options_6173", "Strict Type-Checking Options"),
- Module_Resolution_Options: diag(6174, ts.DiagnosticCategory.Message, "Module_Resolution_Options_6174", "Module Resolution Options"),
- Source_Map_Options: diag(6175, ts.DiagnosticCategory.Message, "Source_Map_Options_6175", "Source Map Options"),
- Additional_Checks: diag(6176, ts.DiagnosticCategory.Message, "Additional_Checks_6176", "Additional Checks"),
- Experimental_Options: diag(6177, ts.DiagnosticCategory.Message, "Experimental_Options_6177", "Experimental Options"),
- Advanced_Options: diag(6178, ts.DiagnosticCategory.Message, "Advanced_Options_6178", "Advanced Options"),
- Provide_full_support_for_iterables_in_for_of_spread_and_destructuring_when_targeting_ES5_or_ES3: diag(6179, ts.DiagnosticCategory.Message, "Provide_full_support_for_iterables_in_for_of_spread_and_destructuring_when_targeting_ES5_or_ES3_6179", "Provide full support for iterables in 'for-of', spread, and destructuring when targeting 'ES5' or 'ES3'."),
- Enable_all_strict_type_checking_options: diag(6180, ts.DiagnosticCategory.Message, "Enable_all_strict_type_checking_options_6180", "Enable all strict type-checking options."),
- List_of_language_service_plugins: diag(6181, ts.DiagnosticCategory.Message, "List_of_language_service_plugins_6181", "List of language service plugins."),
- Scoped_package_detected_looking_in_0: diag(6182, ts.DiagnosticCategory.Message, "Scoped_package_detected_looking_in_0_6182", "Scoped package detected, looking in '{0}'"),
- Reusing_resolution_of_module_0_to_file_1_from_old_program: diag(6183, ts.DiagnosticCategory.Message, "Reusing_resolution_of_module_0_to_file_1_from_old_program_6183", "Reusing resolution of module '{0}' to file '{1}' from old program."),
- Reusing_module_resolutions_originating_in_0_since_resolutions_are_unchanged_from_old_program: diag(6184, ts.DiagnosticCategory.Message, "Reusing_module_resolutions_originating_in_0_since_resolutions_are_unchanged_from_old_program_6184", "Reusing module resolutions originating in '{0}' since resolutions are unchanged from old program."),
- Disable_strict_checking_of_generic_signatures_in_function_types: diag(6185, ts.DiagnosticCategory.Message, "Disable_strict_checking_of_generic_signatures_in_function_types_6185", "Disable strict checking of generic signatures in function types."),
- Enable_strict_checking_of_function_types: diag(6186, ts.DiagnosticCategory.Message, "Enable_strict_checking_of_function_types_6186", "Enable strict checking of function types."),
- Enable_strict_checking_of_property_initialization_in_classes: diag(6187, ts.DiagnosticCategory.Message, "Enable_strict_checking_of_property_initialization_in_classes_6187", "Enable strict checking of property initialization in classes."),
- Numeric_separators_are_not_allowed_here: diag(6188, ts.DiagnosticCategory.Error, "Numeric_separators_are_not_allowed_here_6188", "Numeric separators are not allowed here."),
- Multiple_consecutive_numeric_separators_are_not_permitted: diag(6189, ts.DiagnosticCategory.Error, "Multiple_consecutive_numeric_separators_are_not_permitted_6189", "Multiple consecutive numeric separators are not permitted."),
- Whether_to_keep_outdated_console_output_in_watch_mode_instead_of_clearing_the_screen: diag(6191, ts.DiagnosticCategory.Message, "Whether_to_keep_outdated_console_output_in_watch_mode_instead_of_clearing_the_screen_6191", "Whether to keep outdated console output in watch mode instead of clearing the screen."),
- All_imports_in_import_declaration_are_unused: diag(6192, ts.DiagnosticCategory.Error, "All_imports_in_import_declaration_are_unused_6192", "All imports in import declaration are unused.", /*reportsUnnecessary*/ true),
- Found_1_error_Watching_for_file_changes: diag(6193, ts.DiagnosticCategory.Message, "Found_1_error_Watching_for_file_changes_6193", "Found 1 error. Watching for file changes."),
- Found_0_errors_Watching_for_file_changes: diag(6194, ts.DiagnosticCategory.Message, "Found_0_errors_Watching_for_file_changes_6194", "Found {0} errors. Watching for file changes."),
- Resolve_keyof_to_string_valued_property_names_only_no_numbers_or_symbols: diag(6195, ts.DiagnosticCategory.Message, "Resolve_keyof_to_string_valued_property_names_only_no_numbers_or_symbols_6195", "Resolve 'keyof' to string valued property names only (no numbers or symbols)."),
- _0_is_declared_but_never_used: diag(6196, ts.DiagnosticCategory.Error, "_0_is_declared_but_never_used_6196", "'{0}' is declared but never used.", /*reportsUnnecessary*/ true),
- Include_modules_imported_with_json_extension: diag(6197, ts.DiagnosticCategory.Message, "Include_modules_imported_with_json_extension_6197", "Include modules imported with '.json' extension"),
- All_destructured_elements_are_unused: diag(6198, ts.DiagnosticCategory.Error, "All_destructured_elements_are_unused_6198", "All destructured elements are unused.", /*reportsUnnecessary*/ true),
- All_variables_are_unused: diag(6199, ts.DiagnosticCategory.Error, "All_variables_are_unused_6199", "All variables are unused.", /*reportsUnnecessary*/ true),
- Definitions_of_the_following_identifiers_conflict_with_those_in_another_file_Colon_0: diag(6200, ts.DiagnosticCategory.Error, "Definitions_of_the_following_identifiers_conflict_with_those_in_another_file_Colon_0_6200", "Definitions of the following identifiers conflict with those in another file: {0}"),
- Conflicts_are_in_this_file: diag(6201, ts.DiagnosticCategory.Message, "Conflicts_are_in_this_file_6201", "Conflicts are in this file."),
- Project_references_may_not_form_a_circular_graph_Cycle_detected_Colon_0: diag(6202, ts.DiagnosticCategory.Error, "Project_references_may_not_form_a_circular_graph_Cycle_detected_Colon_0_6202", "Project references may not form a circular graph. Cycle detected: {0}"),
- _0_was_also_declared_here: diag(6203, ts.DiagnosticCategory.Message, "_0_was_also_declared_here_6203", "'{0}' was also declared here."),
- and_here: diag(6204, ts.DiagnosticCategory.Message, "and_here_6204", "and here."),
- All_type_parameters_are_unused: diag(6205, ts.DiagnosticCategory.Error, "All_type_parameters_are_unused_6205", "All type parameters are unused"),
- package_json_has_a_typesVersions_field_with_version_specific_path_mappings: diag(6206, ts.DiagnosticCategory.Message, "package_json_has_a_typesVersions_field_with_version_specific_path_mappings_6206", "'package.json' has a 'typesVersions' field with version-specific path mappings."),
- package_json_does_not_have_a_typesVersions_entry_that_matches_version_0: diag(6207, ts.DiagnosticCategory.Message, "package_json_does_not_have_a_typesVersions_entry_that_matches_version_0_6207", "'package.json' does not have a 'typesVersions' entry that matches version '{0}'."),
- package_json_has_a_typesVersions_entry_0_that_matches_compiler_version_1_looking_for_a_pattern_to_match_module_name_2: diag(6208, ts.DiagnosticCategory.Message, "package_json_has_a_typesVersions_entry_0_that_matches_compiler_version_1_looking_for_a_pattern_to_ma_6208", "'package.json' has a 'typesVersions' entry '{0}' that matches compiler version '{1}', looking for a pattern to match module name '{2}'."),
- package_json_has_a_typesVersions_entry_0_that_is_not_a_valid_semver_range: diag(6209, ts.DiagnosticCategory.Message, "package_json_has_a_typesVersions_entry_0_that_is_not_a_valid_semver_range_6209", "'package.json' has a 'typesVersions' entry '{0}' that is not a valid semver range."),
- An_argument_for_0_was_not_provided: diag(6210, ts.DiagnosticCategory.Message, "An_argument_for_0_was_not_provided_6210", "An argument for '{0}' was not provided."),
- An_argument_matching_this_binding_pattern_was_not_provided: diag(6211, ts.DiagnosticCategory.Message, "An_argument_matching_this_binding_pattern_was_not_provided_6211", "An argument matching this binding pattern was not provided."),
- Did_you_mean_to_call_this_expression: diag(6212, ts.DiagnosticCategory.Message, "Did_you_mean_to_call_this_expression_6212", "Did you mean to call this expression?"),
- Did_you_mean_to_use_new_with_this_expression: diag(6213, ts.DiagnosticCategory.Message, "Did_you_mean_to_use_new_with_this_expression_6213", "Did you mean to use 'new' with this expression?"),
- Enable_strict_bind_call_and_apply_methods_on_functions: diag(6214, ts.DiagnosticCategory.Message, "Enable_strict_bind_call_and_apply_methods_on_functions_6214", "Enable strict 'bind', 'call', and 'apply' methods on functions."),
- Using_compiler_options_of_project_reference_redirect_0: diag(6215, ts.DiagnosticCategory.Message, "Using_compiler_options_of_project_reference_redirect_0_6215", "Using compiler options of project reference redirect '{0}'."),
- Found_1_error: diag(6216, ts.DiagnosticCategory.Message, "Found_1_error_6216", "Found 1 error."),
- Found_0_errors: diag(6217, ts.DiagnosticCategory.Message, "Found_0_errors_6217", "Found {0} errors."),
- Module_name_0_was_successfully_resolved_to_1_with_Package_ID_2: diag(6218, ts.DiagnosticCategory.Message, "Module_name_0_was_successfully_resolved_to_1_with_Package_ID_2_6218", "======== Module name '{0}' was successfully resolved to '{1}' with Package ID '{2}'. ========"),
- Type_reference_directive_0_was_successfully_resolved_to_1_with_Package_ID_2_primary_Colon_3: diag(6219, ts.DiagnosticCategory.Message, "Type_reference_directive_0_was_successfully_resolved_to_1_with_Package_ID_2_primary_Colon_3_6219", "======== Type reference directive '{0}' was successfully resolved to '{1}' with Package ID '{2}', primary: {3}. ========"),
- package_json_had_a_falsy_0_field: diag(6220, ts.DiagnosticCategory.Message, "package_json_had_a_falsy_0_field_6220", "'package.json' had a falsy '{0}' field."),
- Disable_use_of_source_files_instead_of_declaration_files_from_referenced_projects: diag(6221, ts.DiagnosticCategory.Message, "Disable_use_of_source_files_instead_of_declaration_files_from_referenced_projects_6221", "Disable use of source files instead of declaration files from referenced projects."),
- Emit_class_fields_with_Define_instead_of_Set: diag(6222, ts.DiagnosticCategory.Message, "Emit_class_fields_with_Define_instead_of_Set_6222", "Emit class fields with Define instead of Set."),
- Generates_a_CPU_profile: diag(6223, ts.DiagnosticCategory.Message, "Generates_a_CPU_profile_6223", "Generates a CPU profile."),
- Disable_solution_searching_for_this_project: diag(6224, ts.DiagnosticCategory.Message, "Disable_solution_searching_for_this_project_6224", "Disable solution searching for this project."),
- Specify_strategy_for_watching_file_Colon_FixedPollingInterval_default_PriorityPollingInterval_DynamicPriorityPolling_UseFsEvents_UseFsEventsOnParentDirectory: diag(6225, ts.DiagnosticCategory.Message, "Specify_strategy_for_watching_file_Colon_FixedPollingInterval_default_PriorityPollingInterval_Dynami_6225", "Specify strategy for watching file: 'FixedPollingInterval' (default), 'PriorityPollingInterval', 'DynamicPriorityPolling', 'UseFsEvents', 'UseFsEventsOnParentDirectory'."),
- Specify_strategy_for_watching_directory_on_platforms_that_don_t_support_recursive_watching_natively_Colon_UseFsEvents_default_FixedPollingInterval_DynamicPriorityPolling: diag(6226, ts.DiagnosticCategory.Message, "Specify_strategy_for_watching_directory_on_platforms_that_don_t_support_recursive_watching_natively__6226", "Specify strategy for watching directory on platforms that don't support recursive watching natively: 'UseFsEvents' (default), 'FixedPollingInterval', 'DynamicPriorityPolling'."),
- Specify_strategy_for_creating_a_polling_watch_when_it_fails_to_create_using_file_system_events_Colon_FixedInterval_default_PriorityInterval_DynamicPriority: diag(6227, ts.DiagnosticCategory.Message, "Specify_strategy_for_creating_a_polling_watch_when_it_fails_to_create_using_file_system_events_Colon_6227", "Specify strategy for creating a polling watch when it fails to create using file system events: 'FixedInterval' (default), 'PriorityInterval', 'DynamicPriority'."),
- Synchronously_call_callbacks_and_update_the_state_of_directory_watchers_on_platforms_that_don_t_support_recursive_watching_natively: diag(6228, ts.DiagnosticCategory.Message, "Synchronously_call_callbacks_and_update_the_state_of_directory_watchers_on_platforms_that_don_t_supp_6228", "Synchronously call callbacks and update the state of directory watchers on platforms that don't support recursive watching natively."),
- Tag_0_expects_at_least_1_arguments_but_the_JSX_factory_2_provides_at_most_3: diag(6229, ts.DiagnosticCategory.Error, "Tag_0_expects_at_least_1_arguments_but_the_JSX_factory_2_provides_at_most_3_6229", "Tag '{0}' expects at least '{1}' arguments, but the JSX factory '{2}' provides at most '{3}'."),
- Option_0_can_only_be_specified_in_tsconfig_json_file_or_set_to_false_or_null_on_command_line: diag(6230, ts.DiagnosticCategory.Error, "Option_0_can_only_be_specified_in_tsconfig_json_file_or_set_to_false_or_null_on_command_line_6230", "Option '{0}' can only be specified in 'tsconfig.json' file or set to 'false' or 'null' on command line."),
- Could_not_resolve_the_path_0_with_the_extensions_Colon_1: diag(6231, ts.DiagnosticCategory.Error, "Could_not_resolve_the_path_0_with_the_extensions_Colon_1_6231", "Could not resolve the path '{0}' with the extensions: {1}."),
- Declaration_augments_declaration_in_another_file_This_cannot_be_serialized: diag(6232, ts.DiagnosticCategory.Error, "Declaration_augments_declaration_in_another_file_This_cannot_be_serialized_6232", "Declaration augments declaration in another file. This cannot be serialized."),
- This_is_the_declaration_being_augmented_Consider_moving_the_augmenting_declaration_into_the_same_file: diag(6233, ts.DiagnosticCategory.Error, "This_is_the_declaration_being_augmented_Consider_moving_the_augmenting_declaration_into_the_same_fil_6233", "This is the declaration being augmented. Consider moving the augmenting declaration into the same file."),
- Projects_to_reference: diag(6300, ts.DiagnosticCategory.Message, "Projects_to_reference_6300", "Projects to reference"),
- Enable_project_compilation: diag(6302, ts.DiagnosticCategory.Message, "Enable_project_compilation_6302", "Enable project compilation"),
- Composite_projects_may_not_disable_declaration_emit: diag(6304, ts.DiagnosticCategory.Error, "Composite_projects_may_not_disable_declaration_emit_6304", "Composite projects may not disable declaration emit."),
- Output_file_0_has_not_been_built_from_source_file_1: diag(6305, ts.DiagnosticCategory.Error, "Output_file_0_has_not_been_built_from_source_file_1_6305", "Output file '{0}' has not been built from source file '{1}'."),
- Referenced_project_0_must_have_setting_composite_Colon_true: diag(6306, ts.DiagnosticCategory.Error, "Referenced_project_0_must_have_setting_composite_Colon_true_6306", "Referenced project '{0}' must have setting \"composite\": true."),
- File_0_is_not_listed_within_the_file_list_of_project_1_Projects_must_list_all_files_or_use_an_include_pattern: diag(6307, ts.DiagnosticCategory.Error, "File_0_is_not_listed_within_the_file_list_of_project_1_Projects_must_list_all_files_or_use_an_includ_6307", "File '{0}' is not listed within the file list of project '{1}'. Projects must list all files or use an 'include' pattern."),
- Cannot_prepend_project_0_because_it_does_not_have_outFile_set: diag(6308, ts.DiagnosticCategory.Error, "Cannot_prepend_project_0_because_it_does_not_have_outFile_set_6308", "Cannot prepend project '{0}' because it does not have 'outFile' set"),
- Output_file_0_from_project_1_does_not_exist: diag(6309, ts.DiagnosticCategory.Error, "Output_file_0_from_project_1_does_not_exist_6309", "Output file '{0}' from project '{1}' does not exist"),
- Project_0_is_out_of_date_because_oldest_output_1_is_older_than_newest_input_2: diag(6350, ts.DiagnosticCategory.Message, "Project_0_is_out_of_date_because_oldest_output_1_is_older_than_newest_input_2_6350", "Project '{0}' is out of date because oldest output '{1}' is older than newest input '{2}'"),
- Project_0_is_up_to_date_because_newest_input_1_is_older_than_oldest_output_2: diag(6351, ts.DiagnosticCategory.Message, "Project_0_is_up_to_date_because_newest_input_1_is_older_than_oldest_output_2_6351", "Project '{0}' is up to date because newest input '{1}' is older than oldest output '{2}'"),
- Project_0_is_out_of_date_because_output_file_1_does_not_exist: diag(6352, ts.DiagnosticCategory.Message, "Project_0_is_out_of_date_because_output_file_1_does_not_exist_6352", "Project '{0}' is out of date because output file '{1}' does not exist"),
- Project_0_is_out_of_date_because_its_dependency_1_is_out_of_date: diag(6353, ts.DiagnosticCategory.Message, "Project_0_is_out_of_date_because_its_dependency_1_is_out_of_date_6353", "Project '{0}' is out of date because its dependency '{1}' is out of date"),
- Project_0_is_up_to_date_with_d_ts_files_from_its_dependencies: diag(6354, ts.DiagnosticCategory.Message, "Project_0_is_up_to_date_with_d_ts_files_from_its_dependencies_6354", "Project '{0}' is up to date with .d.ts files from its dependencies"),
- Projects_in_this_build_Colon_0: diag(6355, ts.DiagnosticCategory.Message, "Projects_in_this_build_Colon_0_6355", "Projects in this build: {0}"),
- A_non_dry_build_would_delete_the_following_files_Colon_0: diag(6356, ts.DiagnosticCategory.Message, "A_non_dry_build_would_delete_the_following_files_Colon_0_6356", "A non-dry build would delete the following files: {0}"),
- A_non_dry_build_would_build_project_0: diag(6357, ts.DiagnosticCategory.Message, "A_non_dry_build_would_build_project_0_6357", "A non-dry build would build project '{0}'"),
- Building_project_0: diag(6358, ts.DiagnosticCategory.Message, "Building_project_0_6358", "Building project '{0}'..."),
- Updating_output_timestamps_of_project_0: diag(6359, ts.DiagnosticCategory.Message, "Updating_output_timestamps_of_project_0_6359", "Updating output timestamps of project '{0}'..."),
- delete_this_Project_0_is_up_to_date_because_it_was_previously_built: diag(6360, ts.DiagnosticCategory.Message, "delete_this_Project_0_is_up_to_date_because_it_was_previously_built_6360", "delete this - Project '{0}' is up to date because it was previously built"),
- Project_0_is_up_to_date: diag(6361, ts.DiagnosticCategory.Message, "Project_0_is_up_to_date_6361", "Project '{0}' is up to date"),
- Skipping_build_of_project_0_because_its_dependency_1_has_errors: diag(6362, ts.DiagnosticCategory.Message, "Skipping_build_of_project_0_because_its_dependency_1_has_errors_6362", "Skipping build of project '{0}' because its dependency '{1}' has errors"),
- Project_0_can_t_be_built_because_its_dependency_1_has_errors: diag(6363, ts.DiagnosticCategory.Message, "Project_0_can_t_be_built_because_its_dependency_1_has_errors_6363", "Project '{0}' can't be built because its dependency '{1}' has errors"),
- Build_one_or_more_projects_and_their_dependencies_if_out_of_date: diag(6364, ts.DiagnosticCategory.Message, "Build_one_or_more_projects_and_their_dependencies_if_out_of_date_6364", "Build one or more projects and their dependencies, if out of date"),
- Delete_the_outputs_of_all_projects: diag(6365, ts.DiagnosticCategory.Message, "Delete_the_outputs_of_all_projects_6365", "Delete the outputs of all projects"),
- Enable_verbose_logging: diag(6366, ts.DiagnosticCategory.Message, "Enable_verbose_logging_6366", "Enable verbose logging"),
- Show_what_would_be_built_or_deleted_if_specified_with_clean: diag(6367, ts.DiagnosticCategory.Message, "Show_what_would_be_built_or_deleted_if_specified_with_clean_6367", "Show what would be built (or deleted, if specified with '--clean')"),
- Build_all_projects_including_those_that_appear_to_be_up_to_date: diag(6368, ts.DiagnosticCategory.Message, "Build_all_projects_including_those_that_appear_to_be_up_to_date_6368", "Build all projects, including those that appear to be up to date"),
- Option_build_must_be_the_first_command_line_argument: diag(6369, ts.DiagnosticCategory.Error, "Option_build_must_be_the_first_command_line_argument_6369", "Option '--build' must be the first command line argument."),
- Options_0_and_1_cannot_be_combined: diag(6370, ts.DiagnosticCategory.Error, "Options_0_and_1_cannot_be_combined_6370", "Options '{0}' and '{1}' cannot be combined."),
- Updating_unchanged_output_timestamps_of_project_0: diag(6371, ts.DiagnosticCategory.Message, "Updating_unchanged_output_timestamps_of_project_0_6371", "Updating unchanged output timestamps of project '{0}'..."),
- Project_0_is_out_of_date_because_output_of_its_dependency_1_has_changed: diag(6372, ts.DiagnosticCategory.Message, "Project_0_is_out_of_date_because_output_of_its_dependency_1_has_changed_6372", "Project '{0}' is out of date because output of its dependency '{1}' has changed"),
- Updating_output_of_project_0: diag(6373, ts.DiagnosticCategory.Message, "Updating_output_of_project_0_6373", "Updating output of project '{0}'..."),
- A_non_dry_build_would_update_timestamps_for_output_of_project_0: diag(6374, ts.DiagnosticCategory.Message, "A_non_dry_build_would_update_timestamps_for_output_of_project_0_6374", "A non-dry build would update timestamps for output of project '{0}'"),
- A_non_dry_build_would_update_output_of_project_0: diag(6375, ts.DiagnosticCategory.Message, "A_non_dry_build_would_update_output_of_project_0_6375", "A non-dry build would update output of project '{0}'"),
- Cannot_update_output_of_project_0_because_there_was_error_reading_file_1: diag(6376, ts.DiagnosticCategory.Message, "Cannot_update_output_of_project_0_because_there_was_error_reading_file_1_6376", "Cannot update output of project '{0}' because there was error reading file '{1}'"),
- Cannot_write_file_0_because_it_will_overwrite_tsbuildinfo_file_generated_by_referenced_project_1: diag(6377, ts.DiagnosticCategory.Error, "Cannot_write_file_0_because_it_will_overwrite_tsbuildinfo_file_generated_by_referenced_project_1_6377", "Cannot write file '{0}' because it will overwrite '.tsbuildinfo' file generated by referenced project '{1}'"),
- Enable_incremental_compilation: diag(6378, ts.DiagnosticCategory.Message, "Enable_incremental_compilation_6378", "Enable incremental compilation"),
- Composite_projects_may_not_disable_incremental_compilation: diag(6379, ts.DiagnosticCategory.Error, "Composite_projects_may_not_disable_incremental_compilation_6379", "Composite projects may not disable incremental compilation."),
- Specify_file_to_store_incremental_compilation_information: diag(6380, ts.DiagnosticCategory.Message, "Specify_file_to_store_incremental_compilation_information_6380", "Specify file to store incremental compilation information"),
- Project_0_is_out_of_date_because_output_for_it_was_generated_with_version_1_that_differs_with_current_version_2: diag(6381, ts.DiagnosticCategory.Message, "Project_0_is_out_of_date_because_output_for_it_was_generated_with_version_1_that_differs_with_curren_6381", "Project '{0}' is out of date because output for it was generated with version '{1}' that differs with current version '{2}'"),
- Skipping_build_of_project_0_because_its_dependency_1_was_not_built: diag(6382, ts.DiagnosticCategory.Message, "Skipping_build_of_project_0_because_its_dependency_1_was_not_built_6382", "Skipping build of project '{0}' because its dependency '{1}' was not built"),
- Project_0_can_t_be_built_because_its_dependency_1_was_not_built: diag(6383, ts.DiagnosticCategory.Message, "Project_0_can_t_be_built_because_its_dependency_1_was_not_built_6383", "Project '{0}' can't be built because its dependency '{1}' was not built"),
- Have_recompiles_in_incremental_and_watch_assume_that_changes_within_a_file_will_only_affect_files_directly_depending_on_it: diag(6384, ts.DiagnosticCategory.Message, "Have_recompiles_in_incremental_and_watch_assume_that_changes_within_a_file_will_only_affect_files_di_6384", "Have recompiles in '--incremental' and '--watch' assume that changes within a file will only affect files directly depending on it."),
- The_expected_type_comes_from_property_0_which_is_declared_here_on_type_1: diag(6500, ts.DiagnosticCategory.Message, "The_expected_type_comes_from_property_0_which_is_declared_here_on_type_1_6500", "The expected type comes from property '{0}' which is declared here on type '{1}'"),
- The_expected_type_comes_from_this_index_signature: diag(6501, ts.DiagnosticCategory.Message, "The_expected_type_comes_from_this_index_signature_6501", "The expected type comes from this index signature."),
- The_expected_type_comes_from_the_return_type_of_this_signature: diag(6502, ts.DiagnosticCategory.Message, "The_expected_type_comes_from_the_return_type_of_this_signature_6502", "The expected type comes from the return type of this signature."),
- Print_names_of_files_that_are_part_of_the_compilation_and_then_stop_processing: diag(6503, ts.DiagnosticCategory.Message, "Print_names_of_files_that_are_part_of_the_compilation_and_then_stop_processing_6503", "Print names of files that are part of the compilation and then stop processing."),
- File_0_is_a_JavaScript_file_Did_you_mean_to_enable_the_allowJs_option: diag(6504, ts.DiagnosticCategory.Error, "File_0_is_a_JavaScript_file_Did_you_mean_to_enable_the_allowJs_option_6504", "File '{0}' is a JavaScript file. Did you mean to enable the 'allowJs' option?"),
- Variable_0_implicitly_has_an_1_type: diag(7005, ts.DiagnosticCategory.Error, "Variable_0_implicitly_has_an_1_type_7005", "Variable '{0}' implicitly has an '{1}' type."),
- Parameter_0_implicitly_has_an_1_type: diag(7006, ts.DiagnosticCategory.Error, "Parameter_0_implicitly_has_an_1_type_7006", "Parameter '{0}' implicitly has an '{1}' type."),
- Member_0_implicitly_has_an_1_type: diag(7008, ts.DiagnosticCategory.Error, "Member_0_implicitly_has_an_1_type_7008", "Member '{0}' implicitly has an '{1}' type."),
- new_expression_whose_target_lacks_a_construct_signature_implicitly_has_an_any_type: diag(7009, ts.DiagnosticCategory.Error, "new_expression_whose_target_lacks_a_construct_signature_implicitly_has_an_any_type_7009", "'new' expression, whose target lacks a construct signature, implicitly has an 'any' type."),
- _0_which_lacks_return_type_annotation_implicitly_has_an_1_return_type: diag(7010, ts.DiagnosticCategory.Error, "_0_which_lacks_return_type_annotation_implicitly_has_an_1_return_type_7010", "'{0}', which lacks return-type annotation, implicitly has an '{1}' return type."),
- Function_expression_which_lacks_return_type_annotation_implicitly_has_an_0_return_type: diag(7011, ts.DiagnosticCategory.Error, "Function_expression_which_lacks_return_type_annotation_implicitly_has_an_0_return_type_7011", "Function expression, which lacks return-type annotation, implicitly has an '{0}' return type."),
- Construct_signature_which_lacks_return_type_annotation_implicitly_has_an_any_return_type: diag(7013, ts.DiagnosticCategory.Error, "Construct_signature_which_lacks_return_type_annotation_implicitly_has_an_any_return_type_7013", "Construct signature, which lacks return-type annotation, implicitly has an 'any' return type."),
- Function_type_which_lacks_return_type_annotation_implicitly_has_an_0_return_type: diag(7014, ts.DiagnosticCategory.Error, "Function_type_which_lacks_return_type_annotation_implicitly_has_an_0_return_type_7014", "Function type, which lacks return-type annotation, implicitly has an '{0}' return type."),
- Element_implicitly_has_an_any_type_because_index_expression_is_not_of_type_number: diag(7015, ts.DiagnosticCategory.Error, "Element_implicitly_has_an_any_type_because_index_expression_is_not_of_type_number_7015", "Element implicitly has an 'any' type because index expression is not of type 'number'."),
- Could_not_find_a_declaration_file_for_module_0_1_implicitly_has_an_any_type: diag(7016, ts.DiagnosticCategory.Error, "Could_not_find_a_declaration_file_for_module_0_1_implicitly_has_an_any_type_7016", "Could not find a declaration file for module '{0}'. '{1}' implicitly has an 'any' type."),
- Element_implicitly_has_an_any_type_because_type_0_has_no_index_signature: diag(7017, ts.DiagnosticCategory.Error, "Element_implicitly_has_an_any_type_because_type_0_has_no_index_signature_7017", "Element implicitly has an 'any' type because type '{0}' has no index signature."),
- Object_literal_s_property_0_implicitly_has_an_1_type: diag(7018, ts.DiagnosticCategory.Error, "Object_literal_s_property_0_implicitly_has_an_1_type_7018", "Object literal's property '{0}' implicitly has an '{1}' type."),
- Rest_parameter_0_implicitly_has_an_any_type: diag(7019, ts.DiagnosticCategory.Error, "Rest_parameter_0_implicitly_has_an_any_type_7019", "Rest parameter '{0}' implicitly has an 'any[]' type."),
- Call_signature_which_lacks_return_type_annotation_implicitly_has_an_any_return_type: diag(7020, ts.DiagnosticCategory.Error, "Call_signature_which_lacks_return_type_annotation_implicitly_has_an_any_return_type_7020", "Call signature, which lacks return-type annotation, implicitly has an 'any' return type."),
- _0_implicitly_has_type_any_because_it_does_not_have_a_type_annotation_and_is_referenced_directly_or_indirectly_in_its_own_initializer: diag(7022, ts.DiagnosticCategory.Error, "_0_implicitly_has_type_any_because_it_does_not_have_a_type_annotation_and_is_referenced_directly_or__7022", "'{0}' implicitly has type 'any' because it does not have a type annotation and is referenced directly or indirectly in its own initializer."),
- _0_implicitly_has_return_type_any_because_it_does_not_have_a_return_type_annotation_and_is_referenced_directly_or_indirectly_in_one_of_its_return_expressions: diag(7023, ts.DiagnosticCategory.Error, "_0_implicitly_has_return_type_any_because_it_does_not_have_a_return_type_annotation_and_is_reference_7023", "'{0}' implicitly has return type 'any' because it does not have a return type annotation and is referenced directly or indirectly in one of its return expressions."),
- Function_implicitly_has_return_type_any_because_it_does_not_have_a_return_type_annotation_and_is_referenced_directly_or_indirectly_in_one_of_its_return_expressions: diag(7024, ts.DiagnosticCategory.Error, "Function_implicitly_has_return_type_any_because_it_does_not_have_a_return_type_annotation_and_is_ref_7024", "Function implicitly has return type 'any' because it does not have a return type annotation and is referenced directly or indirectly in one of its return expressions."),
- Generator_implicitly_has_yield_type_0_because_it_does_not_yield_any_values_Consider_supplying_a_return_type_annotation: diag(7025, ts.DiagnosticCategory.Error, "Generator_implicitly_has_yield_type_0_because_it_does_not_yield_any_values_Consider_supplying_a_retu_7025", "Generator implicitly has yield type '{0}' because it does not yield any values. Consider supplying a return type annotation."),
- JSX_element_implicitly_has_type_any_because_no_interface_JSX_0_exists: diag(7026, ts.DiagnosticCategory.Error, "JSX_element_implicitly_has_type_any_because_no_interface_JSX_0_exists_7026", "JSX element implicitly has type 'any' because no interface 'JSX.{0}' exists."),
- Unreachable_code_detected: diag(7027, ts.DiagnosticCategory.Error, "Unreachable_code_detected_7027", "Unreachable code detected.", /*reportsUnnecessary*/ true),
- Unused_label: diag(7028, ts.DiagnosticCategory.Error, "Unused_label_7028", "Unused label.", /*reportsUnnecessary*/ true),
- Fallthrough_case_in_switch: diag(7029, ts.DiagnosticCategory.Error, "Fallthrough_case_in_switch_7029", "Fallthrough case in switch."),
- Not_all_code_paths_return_a_value: diag(7030, ts.DiagnosticCategory.Error, "Not_all_code_paths_return_a_value_7030", "Not all code paths return a value."),
- Binding_element_0_implicitly_has_an_1_type: diag(7031, ts.DiagnosticCategory.Error, "Binding_element_0_implicitly_has_an_1_type_7031", "Binding element '{0}' implicitly has an '{1}' type."),
- Property_0_implicitly_has_type_any_because_its_set_accessor_lacks_a_parameter_type_annotation: diag(7032, ts.DiagnosticCategory.Error, "Property_0_implicitly_has_type_any_because_its_set_accessor_lacks_a_parameter_type_annotation_7032", "Property '{0}' implicitly has type 'any', because its set accessor lacks a parameter type annotation."),
- Property_0_implicitly_has_type_any_because_its_get_accessor_lacks_a_return_type_annotation: diag(7033, ts.DiagnosticCategory.Error, "Property_0_implicitly_has_type_any_because_its_get_accessor_lacks_a_return_type_annotation_7033", "Property '{0}' implicitly has type 'any', because its get accessor lacks a return type annotation."),
- Variable_0_implicitly_has_type_1_in_some_locations_where_its_type_cannot_be_determined: diag(7034, ts.DiagnosticCategory.Error, "Variable_0_implicitly_has_type_1_in_some_locations_where_its_type_cannot_be_determined_7034", "Variable '{0}' implicitly has type '{1}' in some locations where its type cannot be determined."),
- Try_npm_install_types_Slash_1_if_it_exists_or_add_a_new_declaration_d_ts_file_containing_declare_module_0: diag(7035, ts.DiagnosticCategory.Error, "Try_npm_install_types_Slash_1_if_it_exists_or_add_a_new_declaration_d_ts_file_containing_declare_mod_7035", "Try `npm install @types/{1}` if it exists or add a new declaration (.d.ts) file containing `declare module '{0}';`"),
- Dynamic_import_s_specifier_must_be_of_type_string_but_here_has_type_0: diag(7036, ts.DiagnosticCategory.Error, "Dynamic_import_s_specifier_must_be_of_type_string_but_here_has_type_0_7036", "Dynamic import's specifier must be of type 'string', but here has type '{0}'."),
- Enables_emit_interoperability_between_CommonJS_and_ES_Modules_via_creation_of_namespace_objects_for_all_imports_Implies_allowSyntheticDefaultImports: diag(7037, ts.DiagnosticCategory.Message, "Enables_emit_interoperability_between_CommonJS_and_ES_Modules_via_creation_of_namespace_objects_for__7037", "Enables emit interoperability between CommonJS and ES Modules via creation of namespace objects for all imports. Implies 'allowSyntheticDefaultImports'."),
- Type_originates_at_this_import_A_namespace_style_import_cannot_be_called_or_constructed_and_will_cause_a_failure_at_runtime_Consider_using_a_default_import_or_import_require_here_instead: diag(7038, ts.DiagnosticCategory.Message, "Type_originates_at_this_import_A_namespace_style_import_cannot_be_called_or_constructed_and_will_cau_7038", "Type originates at this import. A namespace-style import cannot be called or constructed, and will cause a failure at runtime. Consider using a default import or import require here instead."),
- Mapped_object_type_implicitly_has_an_any_template_type: diag(7039, ts.DiagnosticCategory.Error, "Mapped_object_type_implicitly_has_an_any_template_type_7039", "Mapped object type implicitly has an 'any' template type."),
- If_the_0_package_actually_exposes_this_module_consider_sending_a_pull_request_to_amend_https_Colon_Slash_Slashgithub_com_SlashDefinitelyTyped_SlashDefinitelyTyped_Slashtree_Slashmaster_Slashtypes_Slash_1: diag(7040, ts.DiagnosticCategory.Error, "If_the_0_package_actually_exposes_this_module_consider_sending_a_pull_request_to_amend_https_Colon_S_7040", "If the '{0}' package actually exposes this module, consider sending a pull request to amend 'https://github.com/DefinitelyTyped/DefinitelyTyped/tree/master/types/{1}`"),
- The_containing_arrow_function_captures_the_global_value_of_this: diag(7041, ts.DiagnosticCategory.Error, "The_containing_arrow_function_captures_the_global_value_of_this_7041", "The containing arrow function captures the global value of 'this'."),
- Module_0_was_resolved_to_1_but_resolveJsonModule_is_not_used: diag(7042, ts.DiagnosticCategory.Error, "Module_0_was_resolved_to_1_but_resolveJsonModule_is_not_used_7042", "Module '{0}' was resolved to '{1}', but '--resolveJsonModule' is not used."),
- Variable_0_implicitly_has_an_1_type_but_a_better_type_may_be_inferred_from_usage: diag(7043, ts.DiagnosticCategory.Suggestion, "Variable_0_implicitly_has_an_1_type_but_a_better_type_may_be_inferred_from_usage_7043", "Variable '{0}' implicitly has an '{1}' type, but a better type may be inferred from usage."),
- Parameter_0_implicitly_has_an_1_type_but_a_better_type_may_be_inferred_from_usage: diag(7044, ts.DiagnosticCategory.Suggestion, "Parameter_0_implicitly_has_an_1_type_but_a_better_type_may_be_inferred_from_usage_7044", "Parameter '{0}' implicitly has an '{1}' type, but a better type may be inferred from usage."),
- Member_0_implicitly_has_an_1_type_but_a_better_type_may_be_inferred_from_usage: diag(7045, ts.DiagnosticCategory.Suggestion, "Member_0_implicitly_has_an_1_type_but_a_better_type_may_be_inferred_from_usage_7045", "Member '{0}' implicitly has an '{1}' type, but a better type may be inferred from usage."),
- Variable_0_implicitly_has_type_1_in_some_locations_but_a_better_type_may_be_inferred_from_usage: diag(7046, ts.DiagnosticCategory.Suggestion, "Variable_0_implicitly_has_type_1_in_some_locations_but_a_better_type_may_be_inferred_from_usage_7046", "Variable '{0}' implicitly has type '{1}' in some locations, but a better type may be inferred from usage."),
- Rest_parameter_0_implicitly_has_an_any_type_but_a_better_type_may_be_inferred_from_usage: diag(7047, ts.DiagnosticCategory.Suggestion, "Rest_parameter_0_implicitly_has_an_any_type_but_a_better_type_may_be_inferred_from_usage_7047", "Rest parameter '{0}' implicitly has an 'any[]' type, but a better type may be inferred from usage."),
- Property_0_implicitly_has_type_any_but_a_better_type_for_its_get_accessor_may_be_inferred_from_usage: diag(7048, ts.DiagnosticCategory.Suggestion, "Property_0_implicitly_has_type_any_but_a_better_type_for_its_get_accessor_may_be_inferred_from_usage_7048", "Property '{0}' implicitly has type 'any', but a better type for its get accessor may be inferred from usage."),
- Property_0_implicitly_has_type_any_but_a_better_type_for_its_set_accessor_may_be_inferred_from_usage: diag(7049, ts.DiagnosticCategory.Suggestion, "Property_0_implicitly_has_type_any_but_a_better_type_for_its_set_accessor_may_be_inferred_from_usage_7049", "Property '{0}' implicitly has type 'any', but a better type for its set accessor may be inferred from usage."),
- _0_implicitly_has_an_1_return_type_but_a_better_type_may_be_inferred_from_usage: diag(7050, ts.DiagnosticCategory.Suggestion, "_0_implicitly_has_an_1_return_type_but_a_better_type_may_be_inferred_from_usage_7050", "'{0}' implicitly has an '{1}' return type, but a better type may be inferred from usage."),
- Parameter_has_a_name_but_no_type_Did_you_mean_0_Colon_1: diag(7051, ts.DiagnosticCategory.Error, "Parameter_has_a_name_but_no_type_Did_you_mean_0_Colon_1_7051", "Parameter has a name but no type. Did you mean '{0}: {1}'?"),
- Element_implicitly_has_an_any_type_because_type_0_has_no_index_signature_Did_you_mean_to_call_1: diag(7052, ts.DiagnosticCategory.Error, "Element_implicitly_has_an_any_type_because_type_0_has_no_index_signature_Did_you_mean_to_call_1_7052", "Element implicitly has an 'any' type because type '{0}' has no index signature. Did you mean to call '{1}'?"),
- Element_implicitly_has_an_any_type_because_expression_of_type_0_can_t_be_used_to_index_type_1: diag(7053, ts.DiagnosticCategory.Error, "Element_implicitly_has_an_any_type_because_expression_of_type_0_can_t_be_used_to_index_type_1_7053", "Element implicitly has an 'any' type because expression of type '{0}' can't be used to index type '{1}'."),
- No_index_signature_with_a_parameter_of_type_0_was_found_on_type_1: diag(7054, ts.DiagnosticCategory.Error, "No_index_signature_with_a_parameter_of_type_0_was_found_on_type_1_7054", "No index signature with a parameter of type '{0}' was found on type '{1}'."),
- _0_which_lacks_return_type_annotation_implicitly_has_an_1_yield_type: diag(7055, ts.DiagnosticCategory.Error, "_0_which_lacks_return_type_annotation_implicitly_has_an_1_yield_type_7055", "'{0}', which lacks return-type annotation, implicitly has an '{1}' yield type."),
- You_cannot_rename_this_element: diag(8000, ts.DiagnosticCategory.Error, "You_cannot_rename_this_element_8000", "You cannot rename this element."),
- You_cannot_rename_elements_that_are_defined_in_the_standard_TypeScript_library: diag(8001, ts.DiagnosticCategory.Error, "You_cannot_rename_elements_that_are_defined_in_the_standard_TypeScript_library_8001", "You cannot rename elements that are defined in the standard TypeScript library."),
- import_can_only_be_used_in_TypeScript_files: diag(8002, ts.DiagnosticCategory.Error, "import_can_only_be_used_in_TypeScript_files_8002", "'import ... =' can only be used in TypeScript files."),
- export_can_only_be_used_in_TypeScript_files: diag(8003, ts.DiagnosticCategory.Error, "export_can_only_be_used_in_TypeScript_files_8003", "'export =' can only be used in TypeScript files."),
- Type_parameter_declarations_can_only_be_used_in_TypeScript_files: diag(8004, ts.DiagnosticCategory.Error, "Type_parameter_declarations_can_only_be_used_in_TypeScript_files_8004", "Type parameter declarations can only be used in TypeScript files."),
- implements_clauses_can_only_be_used_in_TypeScript_files: diag(8005, ts.DiagnosticCategory.Error, "implements_clauses_can_only_be_used_in_TypeScript_files_8005", "'implements' clauses can only be used in TypeScript files."),
- _0_declarations_can_only_be_used_in_TypeScript_files: diag(8006, ts.DiagnosticCategory.Error, "_0_declarations_can_only_be_used_in_TypeScript_files_8006", "'{0}' declarations can only be used in TypeScript files."),
- Type_aliases_can_only_be_used_in_TypeScript_files: diag(8008, ts.DiagnosticCategory.Error, "Type_aliases_can_only_be_used_in_TypeScript_files_8008", "Type aliases can only be used in TypeScript files."),
- The_0_modifier_can_only_be_used_in_TypeScript_files: diag(8009, ts.DiagnosticCategory.Error, "The_0_modifier_can_only_be_used_in_TypeScript_files_8009", "The '{0}' modifier can only be used in TypeScript files."),
- Type_annotations_can_only_be_used_in_TypeScript_files: diag(8010, ts.DiagnosticCategory.Error, "Type_annotations_can_only_be_used_in_TypeScript_files_8010", "Type annotations can only be used in TypeScript files."),
- Type_arguments_can_only_be_used_in_TypeScript_files: diag(8011, ts.DiagnosticCategory.Error, "Type_arguments_can_only_be_used_in_TypeScript_files_8011", "Type arguments can only be used in TypeScript files."),
- Parameter_modifiers_can_only_be_used_in_TypeScript_files: diag(8012, ts.DiagnosticCategory.Error, "Parameter_modifiers_can_only_be_used_in_TypeScript_files_8012", "Parameter modifiers can only be used in TypeScript files."),
- Non_null_assertions_can_only_be_used_in_TypeScript_files: diag(8013, ts.DiagnosticCategory.Error, "Non_null_assertions_can_only_be_used_in_TypeScript_files_8013", "Non-null assertions can only be used in TypeScript files."),
- Type_assertion_expressions_can_only_be_used_in_TypeScript_files: diag(8016, ts.DiagnosticCategory.Error, "Type_assertion_expressions_can_only_be_used_in_TypeScript_files_8016", "Type assertion expressions can only be used in TypeScript files."),
- Octal_literal_types_must_use_ES2015_syntax_Use_the_syntax_0: diag(8017, ts.DiagnosticCategory.Error, "Octal_literal_types_must_use_ES2015_syntax_Use_the_syntax_0_8017", "Octal literal types must use ES2015 syntax. Use the syntax '{0}'."),
- Octal_literals_are_not_allowed_in_enums_members_initializer_Use_the_syntax_0: diag(8018, ts.DiagnosticCategory.Error, "Octal_literals_are_not_allowed_in_enums_members_initializer_Use_the_syntax_0_8018", "Octal literals are not allowed in enums members initializer. Use the syntax '{0}'."),
- Report_errors_in_js_files: diag(8019, ts.DiagnosticCategory.Message, "Report_errors_in_js_files_8019", "Report errors in .js files."),
- JSDoc_types_can_only_be_used_inside_documentation_comments: diag(8020, ts.DiagnosticCategory.Error, "JSDoc_types_can_only_be_used_inside_documentation_comments_8020", "JSDoc types can only be used inside documentation comments."),
- JSDoc_typedef_tag_should_either_have_a_type_annotation_or_be_followed_by_property_or_member_tags: diag(8021, ts.DiagnosticCategory.Error, "JSDoc_typedef_tag_should_either_have_a_type_annotation_or_be_followed_by_property_or_member_tags_8021", "JSDoc '@typedef' tag should either have a type annotation or be followed by '@property' or '@member' tags."),
- JSDoc_0_is_not_attached_to_a_class: diag(8022, ts.DiagnosticCategory.Error, "JSDoc_0_is_not_attached_to_a_class_8022", "JSDoc '@{0}' is not attached to a class."),
- JSDoc_0_1_does_not_match_the_extends_2_clause: diag(8023, ts.DiagnosticCategory.Error, "JSDoc_0_1_does_not_match_the_extends_2_clause_8023", "JSDoc '@{0} {1}' does not match the 'extends {2}' clause."),
- JSDoc_param_tag_has_name_0_but_there_is_no_parameter_with_that_name: diag(8024, ts.DiagnosticCategory.Error, "JSDoc_param_tag_has_name_0_but_there_is_no_parameter_with_that_name_8024", "JSDoc '@param' tag has name '{0}', but there is no parameter with that name."),
- Class_declarations_cannot_have_more_than_one_augments_or_extends_tag: diag(8025, ts.DiagnosticCategory.Error, "Class_declarations_cannot_have_more_than_one_augments_or_extends_tag_8025", "Class declarations cannot have more than one `@augments` or `@extends` tag."),
- Expected_0_type_arguments_provide_these_with_an_extends_tag: diag(8026, ts.DiagnosticCategory.Error, "Expected_0_type_arguments_provide_these_with_an_extends_tag_8026", "Expected {0} type arguments; provide these with an '@extends' tag."),
- Expected_0_1_type_arguments_provide_these_with_an_extends_tag: diag(8027, ts.DiagnosticCategory.Error, "Expected_0_1_type_arguments_provide_these_with_an_extends_tag_8027", "Expected {0}-{1} type arguments; provide these with an '@extends' tag."),
- JSDoc_may_only_appear_in_the_last_parameter_of_a_signature: diag(8028, ts.DiagnosticCategory.Error, "JSDoc_may_only_appear_in_the_last_parameter_of_a_signature_8028", "JSDoc '...' may only appear in the last parameter of a signature."),
- JSDoc_param_tag_has_name_0_but_there_is_no_parameter_with_that_name_It_would_match_arguments_if_it_had_an_array_type: diag(8029, ts.DiagnosticCategory.Error, "JSDoc_param_tag_has_name_0_but_there_is_no_parameter_with_that_name_It_would_match_arguments_if_it_h_8029", "JSDoc '@param' tag has name '{0}', but there is no parameter with that name. It would match 'arguments' if it had an array type."),
- The_type_of_a_function_declaration_must_match_the_function_s_signature: diag(8030, ts.DiagnosticCategory.Error, "The_type_of_a_function_declaration_must_match_the_function_s_signature_8030", "The type of a function declaration must match the function's signature."),
- You_cannot_rename_a_module_via_a_global_import: diag(8031, ts.DiagnosticCategory.Error, "You_cannot_rename_a_module_via_a_global_import_8031", "You cannot rename a module via a global import."),
- Qualified_name_0_is_not_allowed_without_a_leading_param_object_1: diag(8032, ts.DiagnosticCategory.Error, "Qualified_name_0_is_not_allowed_without_a_leading_param_object_1_8032", "Qualified name '{0}' is not allowed without a leading '@param {object} {1}'."),
- Only_identifiers_Slashqualified_names_with_optional_type_arguments_are_currently_supported_in_a_class_extends_clause: diag(9002, ts.DiagnosticCategory.Error, "Only_identifiers_Slashqualified_names_with_optional_type_arguments_are_currently_supported_in_a_clas_9002", "Only identifiers/qualified-names with optional type arguments are currently supported in a class 'extends' clause."),
- class_expressions_are_not_currently_supported: diag(9003, ts.DiagnosticCategory.Error, "class_expressions_are_not_currently_supported_9003", "'class' expressions are not currently supported."),
- Language_service_is_disabled: diag(9004, ts.DiagnosticCategory.Error, "Language_service_is_disabled_9004", "Language service is disabled."),
- Declaration_emit_for_this_file_requires_using_private_name_0_An_explicit_type_annotation_may_unblock_declaration_emit: diag(9005, ts.DiagnosticCategory.Error, "Declaration_emit_for_this_file_requires_using_private_name_0_An_explicit_type_annotation_may_unblock_9005", "Declaration emit for this file requires using private name '{0}'. An explicit type annotation may unblock declaration emit."),
- Declaration_emit_for_this_file_requires_using_private_name_0_from_module_1_An_explicit_type_annotation_may_unblock_declaration_emit: diag(9006, ts.DiagnosticCategory.Error, "Declaration_emit_for_this_file_requires_using_private_name_0_from_module_1_An_explicit_type_annotati_9006", "Declaration emit for this file requires using private name '{0}' from module '{1}'. An explicit type annotation may unblock declaration emit."),
- JSX_attributes_must_only_be_assigned_a_non_empty_expression: diag(17000, ts.DiagnosticCategory.Error, "JSX_attributes_must_only_be_assigned_a_non_empty_expression_17000", "JSX attributes must only be assigned a non-empty 'expression'."),
- JSX_elements_cannot_have_multiple_attributes_with_the_same_name: diag(17001, ts.DiagnosticCategory.Error, "JSX_elements_cannot_have_multiple_attributes_with_the_same_name_17001", "JSX elements cannot have multiple attributes with the same name."),
- Expected_corresponding_JSX_closing_tag_for_0: diag(17002, ts.DiagnosticCategory.Error, "Expected_corresponding_JSX_closing_tag_for_0_17002", "Expected corresponding JSX closing tag for '{0}'."),
- JSX_attribute_expected: diag(17003, ts.DiagnosticCategory.Error, "JSX_attribute_expected_17003", "JSX attribute expected."),
- Cannot_use_JSX_unless_the_jsx_flag_is_provided: diag(17004, ts.DiagnosticCategory.Error, "Cannot_use_JSX_unless_the_jsx_flag_is_provided_17004", "Cannot use JSX unless the '--jsx' flag is provided."),
- A_constructor_cannot_contain_a_super_call_when_its_class_extends_null: diag(17005, ts.DiagnosticCategory.Error, "A_constructor_cannot_contain_a_super_call_when_its_class_extends_null_17005", "A constructor cannot contain a 'super' call when its class extends 'null'."),
- An_unary_expression_with_the_0_operator_is_not_allowed_in_the_left_hand_side_of_an_exponentiation_expression_Consider_enclosing_the_expression_in_parentheses: diag(17006, ts.DiagnosticCategory.Error, "An_unary_expression_with_the_0_operator_is_not_allowed_in_the_left_hand_side_of_an_exponentiation_ex_17006", "An unary expression with the '{0}' operator is not allowed in the left-hand side of an exponentiation expression. Consider enclosing the expression in parentheses."),
- A_type_assertion_expression_is_not_allowed_in_the_left_hand_side_of_an_exponentiation_expression_Consider_enclosing_the_expression_in_parentheses: diag(17007, ts.DiagnosticCategory.Error, "A_type_assertion_expression_is_not_allowed_in_the_left_hand_side_of_an_exponentiation_expression_Con_17007", "A type assertion expression is not allowed in the left-hand side of an exponentiation expression. Consider enclosing the expression in parentheses."),
- JSX_element_0_has_no_corresponding_closing_tag: diag(17008, ts.DiagnosticCategory.Error, "JSX_element_0_has_no_corresponding_closing_tag_17008", "JSX element '{0}' has no corresponding closing tag."),
- super_must_be_called_before_accessing_this_in_the_constructor_of_a_derived_class: diag(17009, ts.DiagnosticCategory.Error, "super_must_be_called_before_accessing_this_in_the_constructor_of_a_derived_class_17009", "'super' must be called before accessing 'this' in the constructor of a derived class."),
- Unknown_type_acquisition_option_0: diag(17010, ts.DiagnosticCategory.Error, "Unknown_type_acquisition_option_0_17010", "Unknown type acquisition option '{0}'."),
- super_must_be_called_before_accessing_a_property_of_super_in_the_constructor_of_a_derived_class: diag(17011, ts.DiagnosticCategory.Error, "super_must_be_called_before_accessing_a_property_of_super_in_the_constructor_of_a_derived_class_17011", "'super' must be called before accessing a property of 'super' in the constructor of a derived class."),
- _0_is_not_a_valid_meta_property_for_keyword_1_Did_you_mean_2: diag(17012, ts.DiagnosticCategory.Error, "_0_is_not_a_valid_meta_property_for_keyword_1_Did_you_mean_2_17012", "'{0}' is not a valid meta-property for keyword '{1}'. Did you mean '{2}'?"),
- Meta_property_0_is_only_allowed_in_the_body_of_a_function_declaration_function_expression_or_constructor: diag(17013, ts.DiagnosticCategory.Error, "Meta_property_0_is_only_allowed_in_the_body_of_a_function_declaration_function_expression_or_constru_17013", "Meta-property '{0}' is only allowed in the body of a function declaration, function expression, or constructor."),
- JSX_fragment_has_no_corresponding_closing_tag: diag(17014, ts.DiagnosticCategory.Error, "JSX_fragment_has_no_corresponding_closing_tag_17014", "JSX fragment has no corresponding closing tag."),
- Expected_corresponding_closing_tag_for_JSX_fragment: diag(17015, ts.DiagnosticCategory.Error, "Expected_corresponding_closing_tag_for_JSX_fragment_17015", "Expected corresponding closing tag for JSX fragment."),
- JSX_fragment_is_not_supported_when_using_jsxFactory: diag(17016, ts.DiagnosticCategory.Error, "JSX_fragment_is_not_supported_when_using_jsxFactory_17016", "JSX fragment is not supported when using --jsxFactory"),
- JSX_fragment_is_not_supported_when_using_an_inline_JSX_factory_pragma: diag(17017, ts.DiagnosticCategory.Error, "JSX_fragment_is_not_supported_when_using_an_inline_JSX_factory_pragma_17017", "JSX fragment is not supported when using an inline JSX factory pragma"),
- Unknown_type_acquisition_option_0_Did_you_mean_1: diag(17018, ts.DiagnosticCategory.Error, "Unknown_type_acquisition_option_0_Did_you_mean_1_17018", "Unknown type acquisition option '{0}'. Did you mean '{1}'?"),
- Circularity_detected_while_resolving_configuration_Colon_0: diag(18000, ts.DiagnosticCategory.Error, "Circularity_detected_while_resolving_configuration_Colon_0_18000", "Circularity detected while resolving configuration: {0}"),
- A_path_in_an_extends_option_must_be_relative_or_rooted_but_0_is_not: diag(18001, ts.DiagnosticCategory.Error, "A_path_in_an_extends_option_must_be_relative_or_rooted_but_0_is_not_18001", "A path in an 'extends' option must be relative or rooted, but '{0}' is not."),
- The_files_list_in_config_file_0_is_empty: diag(18002, ts.DiagnosticCategory.Error, "The_files_list_in_config_file_0_is_empty_18002", "The 'files' list in config file '{0}' is empty."),
- No_inputs_were_found_in_config_file_0_Specified_include_paths_were_1_and_exclude_paths_were_2: diag(18003, ts.DiagnosticCategory.Error, "No_inputs_were_found_in_config_file_0_Specified_include_paths_were_1_and_exclude_paths_were_2_18003", "No inputs were found in config file '{0}'. Specified 'include' paths were '{1}' and 'exclude' paths were '{2}'."),
- File_is_a_CommonJS_module_it_may_be_converted_to_an_ES6_module: diag(80001, ts.DiagnosticCategory.Suggestion, "File_is_a_CommonJS_module_it_may_be_converted_to_an_ES6_module_80001", "File is a CommonJS module; it may be converted to an ES6 module."),
- This_constructor_function_may_be_converted_to_a_class_declaration: diag(80002, ts.DiagnosticCategory.Suggestion, "This_constructor_function_may_be_converted_to_a_class_declaration_80002", "This constructor function may be converted to a class declaration."),
- Import_may_be_converted_to_a_default_import: diag(80003, ts.DiagnosticCategory.Suggestion, "Import_may_be_converted_to_a_default_import_80003", "Import may be converted to a default import."),
- JSDoc_types_may_be_moved_to_TypeScript_types: diag(80004, ts.DiagnosticCategory.Suggestion, "JSDoc_types_may_be_moved_to_TypeScript_types_80004", "JSDoc types may be moved to TypeScript types."),
- require_call_may_be_converted_to_an_import: diag(80005, ts.DiagnosticCategory.Suggestion, "require_call_may_be_converted_to_an_import_80005", "'require' call may be converted to an import."),
- This_may_be_converted_to_an_async_function: diag(80006, ts.DiagnosticCategory.Suggestion, "This_may_be_converted_to_an_async_function_80006", "This may be converted to an async function."),
- await_has_no_effect_on_the_type_of_this_expression: diag(80007, ts.DiagnosticCategory.Suggestion, "await_has_no_effect_on_the_type_of_this_expression_80007", "'await' has no effect on the type of this expression."),
- Numeric_literals_with_absolute_values_equal_to_2_53_or_greater_are_too_large_to_be_represented_accurately_as_integers: diag(80008, ts.DiagnosticCategory.Suggestion, "Numeric_literals_with_absolute_values_equal_to_2_53_or_greater_are_too_large_to_be_represented_accur_80008", "Numeric literals with absolute values equal to 2^53 or greater are too large to be represented accurately as integers."),
- Add_missing_super_call: diag(90001, ts.DiagnosticCategory.Message, "Add_missing_super_call_90001", "Add missing 'super()' call"),
- Make_super_call_the_first_statement_in_the_constructor: diag(90002, ts.DiagnosticCategory.Message, "Make_super_call_the_first_statement_in_the_constructor_90002", "Make 'super()' call the first statement in the constructor"),
- Change_extends_to_implements: diag(90003, ts.DiagnosticCategory.Message, "Change_extends_to_implements_90003", "Change 'extends' to 'implements'"),
- Remove_unused_declaration_for_Colon_0: diag(90004, ts.DiagnosticCategory.Message, "Remove_unused_declaration_for_Colon_0_90004", "Remove unused declaration for: '{0}'"),
- Remove_import_from_0: diag(90005, ts.DiagnosticCategory.Message, "Remove_import_from_0_90005", "Remove import from '{0}'"),
- Implement_interface_0: diag(90006, ts.DiagnosticCategory.Message, "Implement_interface_0_90006", "Implement interface '{0}'"),
- Implement_inherited_abstract_class: diag(90007, ts.DiagnosticCategory.Message, "Implement_inherited_abstract_class_90007", "Implement inherited abstract class"),
- Add_0_to_unresolved_variable: diag(90008, ts.DiagnosticCategory.Message, "Add_0_to_unresolved_variable_90008", "Add '{0}.' to unresolved variable"),
- Remove_destructuring: diag(90009, ts.DiagnosticCategory.Message, "Remove_destructuring_90009", "Remove destructuring"),
- Remove_variable_statement: diag(90010, ts.DiagnosticCategory.Message, "Remove_variable_statement_90010", "Remove variable statement"),
- Remove_template_tag: diag(90011, ts.DiagnosticCategory.Message, "Remove_template_tag_90011", "Remove template tag"),
- Remove_type_parameters: diag(90012, ts.DiagnosticCategory.Message, "Remove_type_parameters_90012", "Remove type parameters"),
- Import_0_from_module_1: diag(90013, ts.DiagnosticCategory.Message, "Import_0_from_module_1_90013", "Import '{0}' from module \"{1}\""),
- Change_0_to_1: diag(90014, ts.DiagnosticCategory.Message, "Change_0_to_1_90014", "Change '{0}' to '{1}'"),
- Add_0_to_existing_import_declaration_from_1: diag(90015, ts.DiagnosticCategory.Message, "Add_0_to_existing_import_declaration_from_1_90015", "Add '{0}' to existing import declaration from \"{1}\""),
- Declare_property_0: diag(90016, ts.DiagnosticCategory.Message, "Declare_property_0_90016", "Declare property '{0}'"),
- Add_index_signature_for_property_0: diag(90017, ts.DiagnosticCategory.Message, "Add_index_signature_for_property_0_90017", "Add index signature for property '{0}'"),
- Disable_checking_for_this_file: diag(90018, ts.DiagnosticCategory.Message, "Disable_checking_for_this_file_90018", "Disable checking for this file"),
- Ignore_this_error_message: diag(90019, ts.DiagnosticCategory.Message, "Ignore_this_error_message_90019", "Ignore this error message"),
- Initialize_property_0_in_the_constructor: diag(90020, ts.DiagnosticCategory.Message, "Initialize_property_0_in_the_constructor_90020", "Initialize property '{0}' in the constructor"),
- Initialize_static_property_0: diag(90021, ts.DiagnosticCategory.Message, "Initialize_static_property_0_90021", "Initialize static property '{0}'"),
- Change_spelling_to_0: diag(90022, ts.DiagnosticCategory.Message, "Change_spelling_to_0_90022", "Change spelling to '{0}'"),
- Declare_method_0: diag(90023, ts.DiagnosticCategory.Message, "Declare_method_0_90023", "Declare method '{0}'"),
- Declare_static_method_0: diag(90024, ts.DiagnosticCategory.Message, "Declare_static_method_0_90024", "Declare static method '{0}'"),
- Prefix_0_with_an_underscore: diag(90025, ts.DiagnosticCategory.Message, "Prefix_0_with_an_underscore_90025", "Prefix '{0}' with an underscore"),
- Rewrite_as_the_indexed_access_type_0: diag(90026, ts.DiagnosticCategory.Message, "Rewrite_as_the_indexed_access_type_0_90026", "Rewrite as the indexed access type '{0}'"),
- Declare_static_property_0: diag(90027, ts.DiagnosticCategory.Message, "Declare_static_property_0_90027", "Declare static property '{0}'"),
- Call_decorator_expression: diag(90028, ts.DiagnosticCategory.Message, "Call_decorator_expression_90028", "Call decorator expression"),
- Add_async_modifier_to_containing_function: diag(90029, ts.DiagnosticCategory.Message, "Add_async_modifier_to_containing_function_90029", "Add async modifier to containing function"),
- Replace_infer_0_with_unknown: diag(90030, ts.DiagnosticCategory.Message, "Replace_infer_0_with_unknown_90030", "Replace 'infer {0}' with 'unknown'"),
- Replace_all_unused_infer_with_unknown: diag(90031, ts.DiagnosticCategory.Message, "Replace_all_unused_infer_with_unknown_90031", "Replace all unused 'infer' with 'unknown'"),
- Import_default_0_from_module_1: diag(90032, ts.DiagnosticCategory.Message, "Import_default_0_from_module_1_90032", "Import default '{0}' from module \"{1}\""),
- Add_default_import_0_to_existing_import_declaration_from_1: diag(90033, ts.DiagnosticCategory.Message, "Add_default_import_0_to_existing_import_declaration_from_1_90033", "Add default import '{0}' to existing import declaration from \"{1}\""),
- Add_parameter_name: diag(90034, ts.DiagnosticCategory.Message, "Add_parameter_name_90034", "Add parameter name"),
- Declare_private_property_0: diag(90035, ts.DiagnosticCategory.Message, "Declare_private_property_0_90035", "Declare private property '{0}'"),
- Declare_a_private_field_named_0: diag(90053, ts.DiagnosticCategory.Message, "Declare_a_private_field_named_0_90053", "Declare a private field named '{0}'."),
- Convert_function_to_an_ES2015_class: diag(95001, ts.DiagnosticCategory.Message, "Convert_function_to_an_ES2015_class_95001", "Convert function to an ES2015 class"),
- Convert_function_0_to_class: diag(95002, ts.DiagnosticCategory.Message, "Convert_function_0_to_class_95002", "Convert function '{0}' to class"),
- Extract_to_0_in_1: diag(95004, ts.DiagnosticCategory.Message, "Extract_to_0_in_1_95004", "Extract to {0} in {1}"),
- Extract_function: diag(95005, ts.DiagnosticCategory.Message, "Extract_function_95005", "Extract function"),
- Extract_constant: diag(95006, ts.DiagnosticCategory.Message, "Extract_constant_95006", "Extract constant"),
- Extract_to_0_in_enclosing_scope: diag(95007, ts.DiagnosticCategory.Message, "Extract_to_0_in_enclosing_scope_95007", "Extract to {0} in enclosing scope"),
- Extract_to_0_in_1_scope: diag(95008, ts.DiagnosticCategory.Message, "Extract_to_0_in_1_scope_95008", "Extract to {0} in {1} scope"),
- Annotate_with_type_from_JSDoc: diag(95009, ts.DiagnosticCategory.Message, "Annotate_with_type_from_JSDoc_95009", "Annotate with type from JSDoc"),
- Annotate_with_types_from_JSDoc: diag(95010, ts.DiagnosticCategory.Message, "Annotate_with_types_from_JSDoc_95010", "Annotate with types from JSDoc"),
- Infer_type_of_0_from_usage: diag(95011, ts.DiagnosticCategory.Message, "Infer_type_of_0_from_usage_95011", "Infer type of '{0}' from usage"),
- Infer_parameter_types_from_usage: diag(95012, ts.DiagnosticCategory.Message, "Infer_parameter_types_from_usage_95012", "Infer parameter types from usage"),
- Convert_to_default_import: diag(95013, ts.DiagnosticCategory.Message, "Convert_to_default_import_95013", "Convert to default import"),
- Install_0: diag(95014, ts.DiagnosticCategory.Message, "Install_0_95014", "Install '{0}'"),
- Replace_import_with_0: diag(95015, ts.DiagnosticCategory.Message, "Replace_import_with_0_95015", "Replace import with '{0}'."),
- Use_synthetic_default_member: diag(95016, ts.DiagnosticCategory.Message, "Use_synthetic_default_member_95016", "Use synthetic 'default' member."),
- Convert_to_ES6_module: diag(95017, ts.DiagnosticCategory.Message, "Convert_to_ES6_module_95017", "Convert to ES6 module"),
- Add_undefined_type_to_property_0: diag(95018, ts.DiagnosticCategory.Message, "Add_undefined_type_to_property_0_95018", "Add 'undefined' type to property '{0}'"),
- Add_initializer_to_property_0: diag(95019, ts.DiagnosticCategory.Message, "Add_initializer_to_property_0_95019", "Add initializer to property '{0}'"),
- Add_definite_assignment_assertion_to_property_0: diag(95020, ts.DiagnosticCategory.Message, "Add_definite_assignment_assertion_to_property_0_95020", "Add definite assignment assertion to property '{0}'"),
- Add_all_missing_members: diag(95022, ts.DiagnosticCategory.Message, "Add_all_missing_members_95022", "Add all missing members"),
- Infer_all_types_from_usage: diag(95023, ts.DiagnosticCategory.Message, "Infer_all_types_from_usage_95023", "Infer all types from usage"),
- Delete_all_unused_declarations: diag(95024, ts.DiagnosticCategory.Message, "Delete_all_unused_declarations_95024", "Delete all unused declarations"),
- Prefix_all_unused_declarations_with_where_possible: diag(95025, ts.DiagnosticCategory.Message, "Prefix_all_unused_declarations_with_where_possible_95025", "Prefix all unused declarations with '_' where possible"),
- Fix_all_detected_spelling_errors: diag(95026, ts.DiagnosticCategory.Message, "Fix_all_detected_spelling_errors_95026", "Fix all detected spelling errors"),
- Add_initializers_to_all_uninitialized_properties: diag(95027, ts.DiagnosticCategory.Message, "Add_initializers_to_all_uninitialized_properties_95027", "Add initializers to all uninitialized properties"),
- Add_definite_assignment_assertions_to_all_uninitialized_properties: diag(95028, ts.DiagnosticCategory.Message, "Add_definite_assignment_assertions_to_all_uninitialized_properties_95028", "Add definite assignment assertions to all uninitialized properties"),
- Add_undefined_type_to_all_uninitialized_properties: diag(95029, ts.DiagnosticCategory.Message, "Add_undefined_type_to_all_uninitialized_properties_95029", "Add undefined type to all uninitialized properties"),
- Change_all_jsdoc_style_types_to_TypeScript: diag(95030, ts.DiagnosticCategory.Message, "Change_all_jsdoc_style_types_to_TypeScript_95030", "Change all jsdoc-style types to TypeScript"),
- Change_all_jsdoc_style_types_to_TypeScript_and_add_undefined_to_nullable_types: diag(95031, ts.DiagnosticCategory.Message, "Change_all_jsdoc_style_types_to_TypeScript_and_add_undefined_to_nullable_types_95031", "Change all jsdoc-style types to TypeScript (and add '| undefined' to nullable types)"),
- Implement_all_unimplemented_interfaces: diag(95032, ts.DiagnosticCategory.Message, "Implement_all_unimplemented_interfaces_95032", "Implement all unimplemented interfaces"),
- Install_all_missing_types_packages: diag(95033, ts.DiagnosticCategory.Message, "Install_all_missing_types_packages_95033", "Install all missing types packages"),
- Rewrite_all_as_indexed_access_types: diag(95034, ts.DiagnosticCategory.Message, "Rewrite_all_as_indexed_access_types_95034", "Rewrite all as indexed access types"),
- Convert_all_to_default_imports: diag(95035, ts.DiagnosticCategory.Message, "Convert_all_to_default_imports_95035", "Convert all to default imports"),
- Make_all_super_calls_the_first_statement_in_their_constructor: diag(95036, ts.DiagnosticCategory.Message, "Make_all_super_calls_the_first_statement_in_their_constructor_95036", "Make all 'super()' calls the first statement in their constructor"),
- Add_qualifier_to_all_unresolved_variables_matching_a_member_name: diag(95037, ts.DiagnosticCategory.Message, "Add_qualifier_to_all_unresolved_variables_matching_a_member_name_95037", "Add qualifier to all unresolved variables matching a member name"),
- Change_all_extended_interfaces_to_implements: diag(95038, ts.DiagnosticCategory.Message, "Change_all_extended_interfaces_to_implements_95038", "Change all extended interfaces to 'implements'"),
- Add_all_missing_super_calls: diag(95039, ts.DiagnosticCategory.Message, "Add_all_missing_super_calls_95039", "Add all missing super calls"),
- Implement_all_inherited_abstract_classes: diag(95040, ts.DiagnosticCategory.Message, "Implement_all_inherited_abstract_classes_95040", "Implement all inherited abstract classes"),
- Add_all_missing_async_modifiers: diag(95041, ts.DiagnosticCategory.Message, "Add_all_missing_async_modifiers_95041", "Add all missing 'async' modifiers"),
- Add_ts_ignore_to_all_error_messages: diag(95042, ts.DiagnosticCategory.Message, "Add_ts_ignore_to_all_error_messages_95042", "Add '@ts-ignore' to all error messages"),
- Annotate_everything_with_types_from_JSDoc: diag(95043, ts.DiagnosticCategory.Message, "Annotate_everything_with_types_from_JSDoc_95043", "Annotate everything with types from JSDoc"),
- Add_to_all_uncalled_decorators: diag(95044, ts.DiagnosticCategory.Message, "Add_to_all_uncalled_decorators_95044", "Add '()' to all uncalled decorators"),
- Convert_all_constructor_functions_to_classes: diag(95045, ts.DiagnosticCategory.Message, "Convert_all_constructor_functions_to_classes_95045", "Convert all constructor functions to classes"),
- Generate_get_and_set_accessors: diag(95046, ts.DiagnosticCategory.Message, "Generate_get_and_set_accessors_95046", "Generate 'get' and 'set' accessors"),
- Convert_require_to_import: diag(95047, ts.DiagnosticCategory.Message, "Convert_require_to_import_95047", "Convert 'require' to 'import'"),
- Convert_all_require_to_import: diag(95048, ts.DiagnosticCategory.Message, "Convert_all_require_to_import_95048", "Convert all 'require' to 'import'"),
- Move_to_a_new_file: diag(95049, ts.DiagnosticCategory.Message, "Move_to_a_new_file_95049", "Move to a new file"),
- Remove_unreachable_code: diag(95050, ts.DiagnosticCategory.Message, "Remove_unreachable_code_95050", "Remove unreachable code"),
- Remove_all_unreachable_code: diag(95051, ts.DiagnosticCategory.Message, "Remove_all_unreachable_code_95051", "Remove all unreachable code"),
- Add_missing_typeof: diag(95052, ts.DiagnosticCategory.Message, "Add_missing_typeof_95052", "Add missing 'typeof'"),
- Remove_unused_label: diag(95053, ts.DiagnosticCategory.Message, "Remove_unused_label_95053", "Remove unused label"),
- Remove_all_unused_labels: diag(95054, ts.DiagnosticCategory.Message, "Remove_all_unused_labels_95054", "Remove all unused labels"),
- Convert_0_to_mapped_object_type: diag(95055, ts.DiagnosticCategory.Message, "Convert_0_to_mapped_object_type_95055", "Convert '{0}' to mapped object type"),
- Convert_namespace_import_to_named_imports: diag(95056, ts.DiagnosticCategory.Message, "Convert_namespace_import_to_named_imports_95056", "Convert namespace import to named imports"),
- Convert_named_imports_to_namespace_import: diag(95057, ts.DiagnosticCategory.Message, "Convert_named_imports_to_namespace_import_95057", "Convert named imports to namespace import"),
- Add_or_remove_braces_in_an_arrow_function: diag(95058, ts.DiagnosticCategory.Message, "Add_or_remove_braces_in_an_arrow_function_95058", "Add or remove braces in an arrow function"),
- Add_braces_to_arrow_function: diag(95059, ts.DiagnosticCategory.Message, "Add_braces_to_arrow_function_95059", "Add braces to arrow function"),
- Remove_braces_from_arrow_function: diag(95060, ts.DiagnosticCategory.Message, "Remove_braces_from_arrow_function_95060", "Remove braces from arrow function"),
- Convert_default_export_to_named_export: diag(95061, ts.DiagnosticCategory.Message, "Convert_default_export_to_named_export_95061", "Convert default export to named export"),
- Convert_named_export_to_default_export: diag(95062, ts.DiagnosticCategory.Message, "Convert_named_export_to_default_export_95062", "Convert named export to default export"),
- Add_missing_enum_member_0: diag(95063, ts.DiagnosticCategory.Message, "Add_missing_enum_member_0_95063", "Add missing enum member '{0}'"),
- Add_all_missing_imports: diag(95064, ts.DiagnosticCategory.Message, "Add_all_missing_imports_95064", "Add all missing imports"),
- Convert_to_async_function: diag(95065, ts.DiagnosticCategory.Message, "Convert_to_async_function_95065", "Convert to async function"),
- Convert_all_to_async_functions: diag(95066, ts.DiagnosticCategory.Message, "Convert_all_to_async_functions_95066", "Convert all to async functions"),
- Add_missing_call_parentheses: diag(95067, ts.DiagnosticCategory.Message, "Add_missing_call_parentheses_95067", "Add missing call parentheses"),
- Add_all_missing_call_parentheses: diag(95068, ts.DiagnosticCategory.Message, "Add_all_missing_call_parentheses_95068", "Add all missing call parentheses"),
- Add_unknown_conversion_for_non_overlapping_types: diag(95069, ts.DiagnosticCategory.Message, "Add_unknown_conversion_for_non_overlapping_types_95069", "Add 'unknown' conversion for non-overlapping types"),
- Add_unknown_to_all_conversions_of_non_overlapping_types: diag(95070, ts.DiagnosticCategory.Message, "Add_unknown_to_all_conversions_of_non_overlapping_types_95070", "Add 'unknown' to all conversions of non-overlapping types"),
- Add_missing_new_operator_to_call: diag(95071, ts.DiagnosticCategory.Message, "Add_missing_new_operator_to_call_95071", "Add missing 'new' operator to call"),
- Add_missing_new_operator_to_all_calls: diag(95072, ts.DiagnosticCategory.Message, "Add_missing_new_operator_to_all_calls_95072", "Add missing 'new' operator to all calls"),
- Add_names_to_all_parameters_without_names: diag(95073, ts.DiagnosticCategory.Message, "Add_names_to_all_parameters_without_names_95073", "Add names to all parameters without names"),
- Enable_the_experimentalDecorators_option_in_your_configuration_file: diag(95074, ts.DiagnosticCategory.Message, "Enable_the_experimentalDecorators_option_in_your_configuration_file_95074", "Enable the 'experimentalDecorators' option in your configuration file"),
- Convert_parameters_to_destructured_object: diag(95075, ts.DiagnosticCategory.Message, "Convert_parameters_to_destructured_object_95075", "Convert parameters to destructured object"),
- Allow_accessing_UMD_globals_from_modules: diag(95076, ts.DiagnosticCategory.Message, "Allow_accessing_UMD_globals_from_modules_95076", "Allow accessing UMD globals from modules."),
- Extract_type: diag(95077, ts.DiagnosticCategory.Message, "Extract_type_95077", "Extract type"),
- Extract_to_type_alias: diag(95078, ts.DiagnosticCategory.Message, "Extract_to_type_alias_95078", "Extract to type alias"),
- Extract_to_typedef: diag(95079, ts.DiagnosticCategory.Message, "Extract_to_typedef_95079", "Extract to typedef"),
- Infer_this_type_of_0_from_usage: diag(95080, ts.DiagnosticCategory.Message, "Infer_this_type_of_0_from_usage_95080", "Infer 'this' type of '{0}' from usage"),
- Add_const_to_unresolved_variable: diag(95081, ts.DiagnosticCategory.Message, "Add_const_to_unresolved_variable_95081", "Add 'const' to unresolved variable"),
- Add_const_to_all_unresolved_variables: diag(95082, ts.DiagnosticCategory.Message, "Add_const_to_all_unresolved_variables_95082", "Add 'const' to all unresolved variables"),
- Add_await: diag(95083, ts.DiagnosticCategory.Message, "Add_await_95083", "Add 'await'"),
- Add_await_to_initializer_for_0: diag(95084, ts.DiagnosticCategory.Message, "Add_await_to_initializer_for_0_95084", "Add 'await' to initializer for '{0}'"),
- Fix_all_expressions_possibly_missing_await: diag(95085, ts.DiagnosticCategory.Message, "Fix_all_expressions_possibly_missing_await_95085", "Fix all expressions possibly missing 'await'"),
- Remove_unnecessary_await: diag(95086, ts.DiagnosticCategory.Message, "Remove_unnecessary_await_95086", "Remove unnecessary 'await'"),
- Remove_all_unnecessary_uses_of_await: diag(95087, ts.DiagnosticCategory.Message, "Remove_all_unnecessary_uses_of_await_95087", "Remove all unnecessary uses of 'await'"),
- Enable_the_jsx_flag_in_your_configuration_file: diag(95088, ts.DiagnosticCategory.Message, "Enable_the_jsx_flag_in_your_configuration_file_95088", "Enable the '--jsx' flag in your configuration file"),
- Add_await_to_initializers: diag(95089, ts.DiagnosticCategory.Message, "Add_await_to_initializers_95089", "Add 'await' to initializers"),
- Extract_to_interface: diag(95090, ts.DiagnosticCategory.Message, "Extract_to_interface_95090", "Extract to interface"),
- Convert_to_a_bigint_numeric_literal: diag(95091, ts.DiagnosticCategory.Message, "Convert_to_a_bigint_numeric_literal_95091", "Convert to a bigint numeric literal"),
- Convert_all_to_bigint_numeric_literals: diag(95092, ts.DiagnosticCategory.Message, "Convert_all_to_bigint_numeric_literals_95092", "Convert all to bigint numeric literals"),
- Convert_const_to_let: diag(95093, ts.DiagnosticCategory.Message, "Convert_const_to_let_95093", "Convert 'const' to 'let'"),
- Prefix_with_declare: diag(95094, ts.DiagnosticCategory.Message, "Prefix_with_declare_95094", "Prefix with 'declare'"),
- Prefix_all_incorrect_property_declarations_with_declare: diag(95095, ts.DiagnosticCategory.Message, "Prefix_all_incorrect_property_declarations_with_declare_95095", "Prefix all incorrect property declarations with 'declare'"),
- Convert_to_template_string: diag(95096, ts.DiagnosticCategory.Message, "Convert_to_template_string_95096", "Convert to template string"),
- Add_export_to_make_this_file_into_a_module: diag(95097, ts.DiagnosticCategory.Message, "Add_export_to_make_this_file_into_a_module_95097", "Add 'export {}' to make this file into a module"),
- Set_the_target_option_in_your_configuration_file_to_0: diag(95098, ts.DiagnosticCategory.Message, "Set_the_target_option_in_your_configuration_file_to_0_95098", "Set the 'target' option in your configuration file to '{0}'"),
- Set_the_module_option_in_your_configuration_file_to_0: diag(95099, ts.DiagnosticCategory.Message, "Set_the_module_option_in_your_configuration_file_to_0_95099", "Set the 'module' option in your configuration file to '{0}'"),
- Convert_invalid_character_to_its_html_entity_code: diag(95100, ts.DiagnosticCategory.Message, "Convert_invalid_character_to_its_html_entity_code_95100", "Convert invalid character to its html entity code"),
- Convert_all_invalid_characters_to_HTML_entity_code: diag(95101, ts.DiagnosticCategory.Message, "Convert_all_invalid_characters_to_HTML_entity_code_95101", "Convert all invalid characters to HTML entity code"),
- Add_class_tag: diag(95102, ts.DiagnosticCategory.Message, "Add_class_tag_95102", "Add '@class' tag"),
- Add_this_tag: diag(95103, ts.DiagnosticCategory.Message, "Add_this_tag_95103", "Add '@this' tag"),
- Add_this_parameter: diag(95104, ts.DiagnosticCategory.Message, "Add_this_parameter_95104", "Add 'this' parameter."),
- Convert_function_expression_0_to_arrow_function: diag(95105, ts.DiagnosticCategory.Message, "Convert_function_expression_0_to_arrow_function_95105", "Convert function expression '{0}' to arrow function"),
- Convert_function_declaration_0_to_arrow_function: diag(95106, ts.DiagnosticCategory.Message, "Convert_function_declaration_0_to_arrow_function_95106", "Convert function declaration '{0}' to arrow function"),
- Fix_all_implicit_this_errors: diag(95107, ts.DiagnosticCategory.Message, "Fix_all_implicit_this_errors_95107", "Fix all implicit-'this' errors"),
- Wrap_invalid_character_in_an_expression_container: diag(95108, ts.DiagnosticCategory.Message, "Wrap_invalid_character_in_an_expression_container_95108", "Wrap invalid character in an expression container"),
- Wrap_all_invalid_characters_in_an_expression_container: diag(95109, ts.DiagnosticCategory.Message, "Wrap_all_invalid_characters_in_an_expression_container_95109", "Wrap all invalid characters in an expression container"),
- Visit_https_Colon_Slash_Slashaka_ms_Slashtsconfig_json_to_read_more_about_this_file: diag(95110, ts.DiagnosticCategory.Message, "Visit_https_Colon_Slash_Slashaka_ms_Slashtsconfig_json_to_read_more_about_this_file_95110", "Visit https://aka.ms/tsconfig.json to read more about this file"),
- Add_a_return_statement: diag(95111, ts.DiagnosticCategory.Message, "Add_a_return_statement_95111", "Add a return statement"),
- Remove_block_body_braces: diag(95112, ts.DiagnosticCategory.Message, "Remove_block_body_braces_95112", "Remove block body braces"),
- Wrap_the_following_body_with_parentheses_which_should_be_an_object_literal: diag(95113, ts.DiagnosticCategory.Message, "Wrap_the_following_body_with_parentheses_which_should_be_an_object_literal_95113", "Wrap the following body with parentheses which should be an object literal"),
- Add_all_missing_return_statement: diag(95114, ts.DiagnosticCategory.Message, "Add_all_missing_return_statement_95114", "Add all missing return statement"),
- Remove_all_incorrect_body_block_braces: diag(95115, ts.DiagnosticCategory.Message, "Remove_all_incorrect_body_block_braces_95115", "Remove all incorrect body block braces"),
- Wrap_all_object_literal_with_parentheses: diag(95116, ts.DiagnosticCategory.Message, "Wrap_all_object_literal_with_parentheses_95116", "Wrap all object literal with parentheses"),
- No_value_exists_in_scope_for_the_shorthand_property_0_Either_declare_one_or_provide_an_initializer: diag(18004, ts.DiagnosticCategory.Error, "No_value_exists_in_scope_for_the_shorthand_property_0_Either_declare_one_or_provide_an_initializer_18004", "No value exists in scope for the shorthand property '{0}'. Either declare one or provide an initializer."),
- Classes_may_not_have_a_field_named_constructor: diag(18006, ts.DiagnosticCategory.Error, "Classes_may_not_have_a_field_named_constructor_18006", "Classes may not have a field named 'constructor'."),
- JSX_expressions_may_not_use_the_comma_operator_Did_you_mean_to_write_an_array: diag(18007, ts.DiagnosticCategory.Error, "JSX_expressions_may_not_use_the_comma_operator_Did_you_mean_to_write_an_array_18007", "JSX expressions may not use the comma operator. Did you mean to write an array?"),
- Private_identifiers_cannot_be_used_as_parameters: diag(18009, ts.DiagnosticCategory.Error, "Private_identifiers_cannot_be_used_as_parameters_18009", "Private identifiers cannot be used as parameters"),
- An_accessibility_modifier_cannot_be_used_with_a_private_identifier: diag(18010, ts.DiagnosticCategory.Error, "An_accessibility_modifier_cannot_be_used_with_a_private_identifier_18010", "An accessibility modifier cannot be used with a private identifier."),
- The_operand_of_a_delete_operator_cannot_be_a_private_identifier: diag(18011, ts.DiagnosticCategory.Error, "The_operand_of_a_delete_operator_cannot_be_a_private_identifier_18011", "The operand of a 'delete' operator cannot be a private identifier."),
- constructor_is_a_reserved_word: diag(18012, ts.DiagnosticCategory.Error, "constructor_is_a_reserved_word_18012", "'#constructor' is a reserved word."),
- Property_0_is_not_accessible_outside_class_1_because_it_has_a_private_identifier: diag(18013, ts.DiagnosticCategory.Error, "Property_0_is_not_accessible_outside_class_1_because_it_has_a_private_identifier_18013", "Property '{0}' is not accessible outside class '{1}' because it has a private identifier."),
- The_property_0_cannot_be_accessed_on_type_1_within_this_class_because_it_is_shadowed_by_another_private_identifier_with_the_same_spelling: diag(18014, ts.DiagnosticCategory.Error, "The_property_0_cannot_be_accessed_on_type_1_within_this_class_because_it_is_shadowed_by_another_priv_18014", "The property '{0}' cannot be accessed on type '{1}' within this class because it is shadowed by another private identifier with the same spelling."),
- Property_0_in_type_1_refers_to_a_different_member_that_cannot_be_accessed_from_within_type_2: diag(18015, ts.DiagnosticCategory.Error, "Property_0_in_type_1_refers_to_a_different_member_that_cannot_be_accessed_from_within_type_2_18015", "Property '{0}' in type '{1}' refers to a different member that cannot be accessed from within type '{2}'."),
- Private_identifiers_are_not_allowed_outside_class_bodies: diag(18016, ts.DiagnosticCategory.Error, "Private_identifiers_are_not_allowed_outside_class_bodies_18016", "Private identifiers are not allowed outside class bodies."),
- The_shadowing_declaration_of_0_is_defined_here: diag(18017, ts.DiagnosticCategory.Error, "The_shadowing_declaration_of_0_is_defined_here_18017", "The shadowing declaration of '{0}' is defined here"),
- The_declaration_of_0_that_you_probably_intended_to_use_is_defined_here: diag(18018, ts.DiagnosticCategory.Error, "The_declaration_of_0_that_you_probably_intended_to_use_is_defined_here_18018", "The declaration of '{0}' that you probably intended to use is defined here"),
- _0_modifier_cannot_be_used_with_a_private_identifier: diag(18019, ts.DiagnosticCategory.Error, "_0_modifier_cannot_be_used_with_a_private_identifier_18019", "'{0}' modifier cannot be used with a private identifier"),
- A_method_cannot_be_named_with_a_private_identifier: diag(18022, ts.DiagnosticCategory.Error, "A_method_cannot_be_named_with_a_private_identifier_18022", "A method cannot be named with a private identifier."),
- An_accessor_cannot_be_named_with_a_private_identifier: diag(18023, ts.DiagnosticCategory.Error, "An_accessor_cannot_be_named_with_a_private_identifier_18023", "An accessor cannot be named with a private identifier."),
- An_enum_member_cannot_be_named_with_a_private_identifier: diag(18024, ts.DiagnosticCategory.Error, "An_enum_member_cannot_be_named_with_a_private_identifier_18024", "An enum member cannot be named with a private identifier."),
- can_only_be_used_at_the_start_of_a_file: diag(18026, ts.DiagnosticCategory.Error, "can_only_be_used_at_the_start_of_a_file_18026", "'#!' can only be used at the start of a file."),
- Compiler_reserves_name_0_when_emitting_private_identifier_downlevel: diag(18027, ts.DiagnosticCategory.Error, "Compiler_reserves_name_0_when_emitting_private_identifier_downlevel_18027", "Compiler reserves name '{0}' when emitting private identifier downlevel."),
- Private_identifiers_are_only_available_when_targeting_ECMAScript_2015_and_higher: diag(18028, ts.DiagnosticCategory.Error, "Private_identifiers_are_only_available_when_targeting_ECMAScript_2015_and_higher_18028", "Private identifiers are only available when targeting ECMAScript 2015 and higher."),
- Private_identifiers_are_not_allowed_in_variable_declarations: diag(18029, ts.DiagnosticCategory.Error, "Private_identifiers_are_not_allowed_in_variable_declarations_18029", "Private identifiers are not allowed in variable declarations."),
- An_optional_chain_cannot_contain_private_identifiers: diag(18030, ts.DiagnosticCategory.Error, "An_optional_chain_cannot_contain_private_identifiers_18030", "An optional chain cannot contain private identifiers."),
- The_intersection_0_was_reduced_to_never_because_property_1_has_conflicting_types_in_some_constituents: diag(18031, ts.DiagnosticCategory.Error, "The_intersection_0_was_reduced_to_never_because_property_1_has_conflicting_types_in_some_constituent_18031", "The intersection '{0}' was reduced to 'never' because property '{1}' has conflicting types in some constituents."),
- The_intersection_0_was_reduced_to_never_because_property_1_exists_in_multiple_constituents_and_is_private_in_some: diag(18032, ts.DiagnosticCategory.Error, "The_intersection_0_was_reduced_to_never_because_property_1_exists_in_multiple_constituents_and_is_pr_18032", "The intersection '{0}' was reduced to 'never' because property '{1}' exists in multiple constituents and is private in some."),
- Only_numeric_enums_can_have_computed_members_but_this_expression_has_type_0_If_you_do_not_need_exhaustiveness_checks_consider_using_an_object_literal_instead: diag(18033, ts.DiagnosticCategory.Error, "Only_numeric_enums_can_have_computed_members_but_this_expression_has_type_0_If_you_do_not_need_exhau_18033", "Only numeric enums can have computed members, but this expression has type '{0}'. If you do not need exhaustiveness checks, consider using an object literal instead."),
- };
-})(ts || (ts = {}));
-var ts;
-(function (ts) {
- var _a;
- /* @internal */
- function tokenIsIdentifierOrKeyword(token) {
- return token >= 75 /* Identifier */;
- }
- ts.tokenIsIdentifierOrKeyword = tokenIsIdentifierOrKeyword;
- /* @internal */
- function tokenIsIdentifierOrKeywordOrGreaterThan(token) {
- return token === 31 /* GreaterThanToken */ || tokenIsIdentifierOrKeyword(token);
- }
- ts.tokenIsIdentifierOrKeywordOrGreaterThan = tokenIsIdentifierOrKeywordOrGreaterThan;
- var textToKeywordObj = (_a = {
- abstract: 122 /* AbstractKeyword */,
- any: 125 /* AnyKeyword */,
- as: 123 /* AsKeyword */,
- asserts: 124 /* AssertsKeyword */,
- bigint: 151 /* BigIntKeyword */,
- boolean: 128 /* BooleanKeyword */,
- break: 77 /* BreakKeyword */,
- case: 78 /* CaseKeyword */,
- catch: 79 /* CatchKeyword */,
- class: 80 /* ClassKeyword */,
- continue: 82 /* ContinueKeyword */,
- const: 81 /* ConstKeyword */
- },
- _a["" + "constructor"] = 129 /* ConstructorKeyword */,
- _a.debugger = 83 /* DebuggerKeyword */,
- _a.declare = 130 /* DeclareKeyword */,
- _a.default = 84 /* DefaultKeyword */,
- _a.delete = 85 /* DeleteKeyword */,
- _a.do = 86 /* DoKeyword */,
- _a.else = 87 /* ElseKeyword */,
- _a.enum = 88 /* EnumKeyword */,
- _a.export = 89 /* ExportKeyword */,
- _a.extends = 90 /* ExtendsKeyword */,
- _a.false = 91 /* FalseKeyword */,
- _a.finally = 92 /* FinallyKeyword */,
- _a.for = 93 /* ForKeyword */,
- _a.from = 149 /* FromKeyword */,
- _a.function = 94 /* FunctionKeyword */,
- _a.get = 131 /* GetKeyword */,
- _a.if = 95 /* IfKeyword */,
- _a.implements = 113 /* ImplementsKeyword */,
- _a.import = 96 /* ImportKeyword */,
- _a.in = 97 /* InKeyword */,
- _a.infer = 132 /* InferKeyword */,
- _a.instanceof = 98 /* InstanceOfKeyword */,
- _a.interface = 114 /* InterfaceKeyword */,
- _a.is = 133 /* IsKeyword */,
- _a.keyof = 134 /* KeyOfKeyword */,
- _a.let = 115 /* LetKeyword */,
- _a.module = 135 /* ModuleKeyword */,
- _a.namespace = 136 /* NamespaceKeyword */,
- _a.never = 137 /* NeverKeyword */,
- _a.new = 99 /* NewKeyword */,
- _a.null = 100 /* NullKeyword */,
- _a.number = 140 /* NumberKeyword */,
- _a.object = 141 /* ObjectKeyword */,
- _a.package = 116 /* PackageKeyword */,
- _a.private = 117 /* PrivateKeyword */,
- _a.protected = 118 /* ProtectedKeyword */,
- _a.public = 119 /* PublicKeyword */,
- _a.readonly = 138 /* ReadonlyKeyword */,
- _a.require = 139 /* RequireKeyword */,
- _a.global = 150 /* GlobalKeyword */,
- _a.return = 101 /* ReturnKeyword */,
- _a.set = 142 /* SetKeyword */,
- _a.static = 120 /* StaticKeyword */,
- _a.string = 143 /* StringKeyword */,
- _a.super = 102 /* SuperKeyword */,
- _a.switch = 103 /* SwitchKeyword */,
- _a.symbol = 144 /* SymbolKeyword */,
- _a.this = 104 /* ThisKeyword */,
- _a.throw = 105 /* ThrowKeyword */,
- _a.true = 106 /* TrueKeyword */,
- _a.try = 107 /* TryKeyword */,
- _a.type = 145 /* TypeKeyword */,
- _a.typeof = 108 /* TypeOfKeyword */,
- _a.undefined = 146 /* UndefinedKeyword */,
- _a.unique = 147 /* UniqueKeyword */,
- _a.unknown = 148 /* UnknownKeyword */,
- _a.var = 109 /* VarKeyword */,
- _a.void = 110 /* VoidKeyword */,
- _a.while = 111 /* WhileKeyword */,
- _a.with = 112 /* WithKeyword */,
- _a.yield = 121 /* YieldKeyword */,
- _a.async = 126 /* AsyncKeyword */,
- _a.await = 127 /* AwaitKeyword */,
- _a.of = 152 /* OfKeyword */,
- _a);
- var textToKeyword = ts.createMapFromTemplate(textToKeywordObj);
- var textToToken = ts.createMapFromTemplate(__assign(__assign({}, textToKeywordObj), { "{": 18 /* OpenBraceToken */, "}": 19 /* CloseBraceToken */, "(": 20 /* OpenParenToken */, ")": 21 /* CloseParenToken */, "[": 22 /* OpenBracketToken */, "]": 23 /* CloseBracketToken */, ".": 24 /* DotToken */, "...": 25 /* DotDotDotToken */, ";": 26 /* SemicolonToken */, ",": 27 /* CommaToken */, "<": 29 /* LessThanToken */, ">": 31 /* GreaterThanToken */, "<=": 32 /* LessThanEqualsToken */, ">=": 33 /* GreaterThanEqualsToken */, "==": 34 /* EqualsEqualsToken */, "!=": 35 /* ExclamationEqualsToken */, "===": 36 /* EqualsEqualsEqualsToken */, "!==": 37 /* ExclamationEqualsEqualsToken */, "=>": 38 /* EqualsGreaterThanToken */, "+": 39 /* PlusToken */, "-": 40 /* MinusToken */, "**": 42 /* AsteriskAsteriskToken */, "*": 41 /* AsteriskToken */, "/": 43 /* SlashToken */, "%": 44 /* PercentToken */, "++": 45 /* PlusPlusToken */, "--": 46 /* MinusMinusToken */, "<<": 47 /* LessThanLessThanToken */, "</": 30 /* LessThanSlashToken */, ">>": 48 /* GreaterThanGreaterThanToken */, ">>>": 49 /* GreaterThanGreaterThanGreaterThanToken */, "&": 50 /* AmpersandToken */, "|": 51 /* BarToken */, "^": 52 /* CaretToken */, "!": 53 /* ExclamationToken */, "~": 54 /* TildeToken */, "&&": 55 /* AmpersandAmpersandToken */, "||": 56 /* BarBarToken */, "?": 57 /* QuestionToken */, "??": 60 /* QuestionQuestionToken */, "?.": 28 /* QuestionDotToken */, ":": 58 /* ColonToken */, "=": 62 /* EqualsToken */, "+=": 63 /* PlusEqualsToken */, "-=": 64 /* MinusEqualsToken */, "*=": 65 /* AsteriskEqualsToken */, "**=": 66 /* AsteriskAsteriskEqualsToken */, "/=": 67 /* SlashEqualsToken */, "%=": 68 /* PercentEqualsToken */, "<<=": 69 /* LessThanLessThanEqualsToken */, ">>=": 70 /* GreaterThanGreaterThanEqualsToken */, ">>>=": 71 /* GreaterThanGreaterThanGreaterThanEqualsToken */, "&=": 72 /* AmpersandEqualsToken */, "|=": 73 /* BarEqualsToken */, "^=": 74 /* CaretEqualsToken */, "@": 59 /* AtToken */, "`": 61 /* BacktickToken */ }));
- /*
- As per ECMAScript Language Specification 3th Edition, Section 7.6: Identifiers
- IdentifierStart ::
- Can contain Unicode 3.0.0 categories:
- Uppercase letter (Lu),
- Lowercase letter (Ll),
- Titlecase letter (Lt),
- Modifier letter (Lm),
- Other letter (Lo), or
- Letter number (Nl).
- IdentifierPart :: =
- Can contain IdentifierStart + Unicode 3.0.0 categories:
- Non-spacing mark (Mn),
- Combining spacing mark (Mc),
- Decimal number (Nd), or
- Connector punctuation (Pc).
-
- Codepoint ranges for ES3 Identifiers are extracted from the Unicode 3.0.0 specification at:
- http://www.unicode.org/Public/3.0-Update/UnicodeData-3.0.0.txt
- */
- var unicodeES3IdentifierStart = [170, 170, 181, 181, 186, 186, 192, 214, 216, 246, 248, 543, 546, 563, 592, 685, 688, 696, 699, 705, 720, 721, 736, 740, 750, 750, 890, 890, 902, 902, 904, 906, 908, 908, 910, 929, 931, 974, 976, 983, 986, 1011, 1024, 1153, 1164, 1220, 1223, 1224, 1227, 1228, 1232, 1269, 1272, 1273, 1329, 1366, 1369, 1369, 1377, 1415, 1488, 1514, 1520, 1522, 1569, 1594, 1600, 1610, 1649, 1747, 1749, 1749, 1765, 1766, 1786, 1788, 1808, 1808, 1810, 1836, 1920, 1957, 2309, 2361, 2365, 2365, 2384, 2384, 2392, 2401, 2437, 2444, 2447, 2448, 2451, 2472, 2474, 2480, 2482, 2482, 2486, 2489, 2524, 2525, 2527, 2529, 2544, 2545, 2565, 2570, 2575, 2576, 2579, 2600, 2602, 2608, 2610, 2611, 2613, 2614, 2616, 2617, 2649, 2652, 2654, 2654, 2674, 2676, 2693, 2699, 2701, 2701, 2703, 2705, 2707, 2728, 2730, 2736, 2738, 2739, 2741, 2745, 2749, 2749, 2768, 2768, 2784, 2784, 2821, 2828, 2831, 2832, 2835, 2856, 2858, 2864, 2866, 2867, 2870, 2873, 2877, 2877, 2908, 2909, 2911, 2913, 2949, 2954, 2958, 2960, 2962, 2965, 2969, 2970, 2972, 2972, 2974, 2975, 2979, 2980, 2984, 2986, 2990, 2997, 2999, 3001, 3077, 3084, 3086, 3088, 3090, 3112, 3114, 3123, 3125, 3129, 3168, 3169, 3205, 3212, 3214, 3216, 3218, 3240, 3242, 3251, 3253, 3257, 3294, 3294, 3296, 3297, 3333, 3340, 3342, 3344, 3346, 3368, 3370, 3385, 3424, 3425, 3461, 3478, 3482, 3505, 3507, 3515, 3517, 3517, 3520, 3526, 3585, 3632, 3634, 3635, 3648, 3654, 3713, 3714, 3716, 3716, 3719, 3720, 3722, 3722, 3725, 3725, 3732, 3735, 3737, 3743, 3745, 3747, 3749, 3749, 3751, 3751, 3754, 3755, 3757, 3760, 3762, 3763, 3773, 3773, 3776, 3780, 3782, 3782, 3804, 3805, 3840, 3840, 3904, 3911, 3913, 3946, 3976, 3979, 4096, 4129, 4131, 4135, 4137, 4138, 4176, 4181, 4256, 4293, 4304, 4342, 4352, 4441, 4447, 4514, 4520, 4601, 4608, 4614, 4616, 4678, 4680, 4680, 4682, 4685, 4688, 4694, 4696, 4696, 4698, 4701, 4704, 4742, 4744, 4744, 4746, 4749, 4752, 4782, 4784, 4784, 4786, 4789, 4792, 4798, 4800, 4800, 4802, 4805, 4808, 4814, 4816, 4822, 4824, 4846, 4848, 4878, 4880, 4880, 4882, 4885, 4888, 4894, 4896, 4934, 4936, 4954, 5024, 5108, 5121, 5740, 5743, 5750, 5761, 5786, 5792, 5866, 6016, 6067, 6176, 6263, 6272, 6312, 7680, 7835, 7840, 7929, 7936, 7957, 7960, 7965, 7968, 8005, 8008, 8013, 8016, 8023, 8025, 8025, 8027, 8027, 8029, 8029, 8031, 8061, 8064, 8116, 8118, 8124, 8126, 8126, 8130, 8132, 8134, 8140, 8144, 8147, 8150, 8155, 8160, 8172, 8178, 8180, 8182, 8188, 8319, 8319, 8450, 8450, 8455, 8455, 8458, 8467, 8469, 8469, 8473, 8477, 8484, 8484, 8486, 8486, 8488, 8488, 8490, 8493, 8495, 8497, 8499, 8505, 8544, 8579, 12293, 12295, 12321, 12329, 12337, 12341, 12344, 12346, 12353, 12436, 12445, 12446, 12449, 12538, 12540, 12542, 12549, 12588, 12593, 12686, 12704, 12727, 13312, 19893, 19968, 40869, 40960, 42124, 44032, 55203, 63744, 64045, 64256, 64262, 64275, 64279, 64285, 64285, 64287, 64296, 64298, 64310, 64312, 64316, 64318, 64318, 64320, 64321, 64323, 64324, 64326, 64433, 64467, 64829, 64848, 64911, 64914, 64967, 65008, 65019, 65136, 65138, 65140, 65140, 65142, 65276, 65313, 65338, 65345, 65370, 65382, 65470, 65474, 65479, 65482, 65487, 65490, 65495, 65498, 65500,];
- var unicodeES3IdentifierPart = [170, 170, 181, 181, 186, 186, 192, 214, 216, 246, 248, 543, 546, 563, 592, 685, 688, 696, 699, 705, 720, 721, 736, 740, 750, 750, 768, 846, 864, 866, 890, 890, 902, 902, 904, 906, 908, 908, 910, 929, 931, 974, 976, 983, 986, 1011, 1024, 1153, 1155, 1158, 1164, 1220, 1223, 1224, 1227, 1228, 1232, 1269, 1272, 1273, 1329, 1366, 1369, 1369, 1377, 1415, 1425, 1441, 1443, 1465, 1467, 1469, 1471, 1471, 1473, 1474, 1476, 1476, 1488, 1514, 1520, 1522, 1569, 1594, 1600, 1621, 1632, 1641, 1648, 1747, 1749, 1756, 1759, 1768, 1770, 1773, 1776, 1788, 1808, 1836, 1840, 1866, 1920, 1968, 2305, 2307, 2309, 2361, 2364, 2381, 2384, 2388, 2392, 2403, 2406, 2415, 2433, 2435, 2437, 2444, 2447, 2448, 2451, 2472, 2474, 2480, 2482, 2482, 2486, 2489, 2492, 2492, 2494, 2500, 2503, 2504, 2507, 2509, 2519, 2519, 2524, 2525, 2527, 2531, 2534, 2545, 2562, 2562, 2565, 2570, 2575, 2576, 2579, 2600, 2602, 2608, 2610, 2611, 2613, 2614, 2616, 2617, 2620, 2620, 2622, 2626, 2631, 2632, 2635, 2637, 2649, 2652, 2654, 2654, 2662, 2676, 2689, 2691, 2693, 2699, 2701, 2701, 2703, 2705, 2707, 2728, 2730, 2736, 2738, 2739, 2741, 2745, 2748, 2757, 2759, 2761, 2763, 2765, 2768, 2768, 2784, 2784, 2790, 2799, 2817, 2819, 2821, 2828, 2831, 2832, 2835, 2856, 2858, 2864, 2866, 2867, 2870, 2873, 2876, 2883, 2887, 2888, 2891, 2893, 2902, 2903, 2908, 2909, 2911, 2913, 2918, 2927, 2946, 2947, 2949, 2954, 2958, 2960, 2962, 2965, 2969, 2970, 2972, 2972, 2974, 2975, 2979, 2980, 2984, 2986, 2990, 2997, 2999, 3001, 3006, 3010, 3014, 3016, 3018, 3021, 3031, 3031, 3047, 3055, 3073, 3075, 3077, 3084, 3086, 3088, 3090, 3112, 3114, 3123, 3125, 3129, 3134, 3140, 3142, 3144, 3146, 3149, 3157, 3158, 3168, 3169, 3174, 3183, 3202, 3203, 3205, 3212, 3214, 3216, 3218, 3240, 3242, 3251, 3253, 3257, 3262, 3268, 3270, 3272, 3274, 3277, 3285, 3286, 3294, 3294, 3296, 3297, 3302, 3311, 3330, 3331, 3333, 3340, 3342, 3344, 3346, 3368, 3370, 3385, 3390, 3395, 3398, 3400, 3402, 3405, 3415, 3415, 3424, 3425, 3430, 3439, 3458, 3459, 3461, 3478, 3482, 3505, 3507, 3515, 3517, 3517, 3520, 3526, 3530, 3530, 3535, 3540, 3542, 3542, 3544, 3551, 3570, 3571, 3585, 3642, 3648, 3662, 3664, 3673, 3713, 3714, 3716, 3716, 3719, 3720, 3722, 3722, 3725, 3725, 3732, 3735, 3737, 3743, 3745, 3747, 3749, 3749, 3751, 3751, 3754, 3755, 3757, 3769, 3771, 3773, 3776, 3780, 3782, 3782, 3784, 3789, 3792, 3801, 3804, 3805, 3840, 3840, 3864, 3865, 3872, 3881, 3893, 3893, 3895, 3895, 3897, 3897, 3902, 3911, 3913, 3946, 3953, 3972, 3974, 3979, 3984, 3991, 3993, 4028, 4038, 4038, 4096, 4129, 4131, 4135, 4137, 4138, 4140, 4146, 4150, 4153, 4160, 4169, 4176, 4185, 4256, 4293, 4304, 4342, 4352, 4441, 4447, 4514, 4520, 4601, 4608, 4614, 4616, 4678, 4680, 4680, 4682, 4685, 4688, 4694, 4696, 4696, 4698, 4701, 4704, 4742, 4744, 4744, 4746, 4749, 4752, 4782, 4784, 4784, 4786, 4789, 4792, 4798, 4800, 4800, 4802, 4805, 4808, 4814, 4816, 4822, 4824, 4846, 4848, 4878, 4880, 4880, 4882, 4885, 4888, 4894, 4896, 4934, 4936, 4954, 4969, 4977, 5024, 5108, 5121, 5740, 5743, 5750, 5761, 5786, 5792, 5866, 6016, 6099, 6112, 6121, 6160, 6169, 6176, 6263, 6272, 6313, 7680, 7835, 7840, 7929, 7936, 7957, 7960, 7965, 7968, 8005, 8008, 8013, 8016, 8023, 8025, 8025, 8027, 8027, 8029, 8029, 8031, 8061, 8064, 8116, 8118, 8124, 8126, 8126, 8130, 8132, 8134, 8140, 8144, 8147, 8150, 8155, 8160, 8172, 8178, 8180, 8182, 8188, 8255, 8256, 8319, 8319, 8400, 8412, 8417, 8417, 8450, 8450, 8455, 8455, 8458, 8467, 8469, 8469, 8473, 8477, 8484, 8484, 8486, 8486, 8488, 8488, 8490, 8493, 8495, 8497, 8499, 8505, 8544, 8579, 12293, 12295, 12321, 12335, 12337, 12341, 12344, 12346, 12353, 12436, 12441, 12442, 12445, 12446, 12449, 12542, 12549, 12588, 12593, 12686, 12704, 12727, 13312, 19893, 19968, 40869, 40960, 42124, 44032, 55203, 63744, 64045, 64256, 64262, 64275, 64279, 64285, 64296, 64298, 64310, 64312, 64316, 64318, 64318, 64320, 64321, 64323, 64324, 64326, 64433, 64467, 64829, 64848, 64911, 64914, 64967, 65008, 65019, 65056, 65059, 65075, 65076, 65101, 65103, 65136, 65138, 65140, 65140, 65142, 65276, 65296, 65305, 65313, 65338, 65343, 65343, 65345, 65370, 65381, 65470, 65474, 65479, 65482, 65487, 65490, 65495, 65498, 65500,];
- /*
- As per ECMAScript Language Specification 5th Edition, Section 7.6: ISyntaxToken Names and Identifiers
- IdentifierStart ::
- Can contain Unicode 6.2 categories:
- Uppercase letter (Lu),
- Lowercase letter (Ll),
- Titlecase letter (Lt),
- Modifier letter (Lm),
- Other letter (Lo), or
- Letter number (Nl).
- IdentifierPart ::
- Can contain IdentifierStart + Unicode 6.2 categories:
- Non-spacing mark (Mn),
- Combining spacing mark (Mc),
- Decimal number (Nd),
- Connector punctuation (Pc),
- <ZWNJ>, or
- <ZWJ>.
-
- Codepoint ranges for ES5 Identifiers are extracted from the Unicode 6.2 specification at:
- http://www.unicode.org/Public/6.2.0/ucd/UnicodeData.txt
- */
- var unicodeES5IdentifierStart = [170, 170, 181, 181, 186, 186, 192, 214, 216, 246, 248, 705, 710, 721, 736, 740, 748, 748, 750, 750, 880, 884, 886, 887, 890, 893, 902, 902, 904, 906, 908, 908, 910, 929, 931, 1013, 1015, 1153, 1162, 1319, 1329, 1366, 1369, 1369, 1377, 1415, 1488, 1514, 1520, 1522, 1568, 1610, 1646, 1647, 1649, 1747, 1749, 1749, 1765, 1766, 1774, 1775, 1786, 1788, 1791, 1791, 1808, 1808, 1810, 1839, 1869, 1957, 1969, 1969, 1994, 2026, 2036, 2037, 2042, 2042, 2048, 2069, 2074, 2074, 2084, 2084, 2088, 2088, 2112, 2136, 2208, 2208, 2210, 2220, 2308, 2361, 2365, 2365, 2384, 2384, 2392, 2401, 2417, 2423, 2425, 2431, 2437, 2444, 2447, 2448, 2451, 2472, 2474, 2480, 2482, 2482, 2486, 2489, 2493, 2493, 2510, 2510, 2524, 2525, 2527, 2529, 2544, 2545, 2565, 2570, 2575, 2576, 2579, 2600, 2602, 2608, 2610, 2611, 2613, 2614, 2616, 2617, 2649, 2652, 2654, 2654, 2674, 2676, 2693, 2701, 2703, 2705, 2707, 2728, 2730, 2736, 2738, 2739, 2741, 2745, 2749, 2749, 2768, 2768, 2784, 2785, 2821, 2828, 2831, 2832, 2835, 2856, 2858, 2864, 2866, 2867, 2869, 2873, 2877, 2877, 2908, 2909, 2911, 2913, 2929, 2929, 2947, 2947, 2949, 2954, 2958, 2960, 2962, 2965, 2969, 2970, 2972, 2972, 2974, 2975, 2979, 2980, 2984, 2986, 2990, 3001, 3024, 3024, 3077, 3084, 3086, 3088, 3090, 3112, 3114, 3123, 3125, 3129, 3133, 3133, 3160, 3161, 3168, 3169, 3205, 3212, 3214, 3216, 3218, 3240, 3242, 3251, 3253, 3257, 3261, 3261, 3294, 3294, 3296, 3297, 3313, 3314, 3333, 3340, 3342, 3344, 3346, 3386, 3389, 3389, 3406, 3406, 3424, 3425, 3450, 3455, 3461, 3478, 3482, 3505, 3507, 3515, 3517, 3517, 3520, 3526, 3585, 3632, 3634, 3635, 3648, 3654, 3713, 3714, 3716, 3716, 3719, 3720, 3722, 3722, 3725, 3725, 3732, 3735, 3737, 3743, 3745, 3747, 3749, 3749, 3751, 3751, 3754, 3755, 3757, 3760, 3762, 3763, 3773, 3773, 3776, 3780, 3782, 3782, 3804, 3807, 3840, 3840, 3904, 3911, 3913, 3948, 3976, 3980, 4096, 4138, 4159, 4159, 4176, 4181, 4186, 4189, 4193, 4193, 4197, 4198, 4206, 4208, 4213, 4225, 4238, 4238, 4256, 4293, 4295, 4295, 4301, 4301, 4304, 4346, 4348, 4680, 4682, 4685, 4688, 4694, 4696, 4696, 4698, 4701, 4704, 4744, 4746, 4749, 4752, 4784, 4786, 4789, 4792, 4798, 4800, 4800, 4802, 4805, 4808, 4822, 4824, 4880, 4882, 4885, 4888, 4954, 4992, 5007, 5024, 5108, 5121, 5740, 5743, 5759, 5761, 5786, 5792, 5866, 5870, 5872, 5888, 5900, 5902, 5905, 5920, 5937, 5952, 5969, 5984, 5996, 5998, 6000, 6016, 6067, 6103, 6103, 6108, 6108, 6176, 6263, 6272, 6312, 6314, 6314, 6320, 6389, 6400, 6428, 6480, 6509, 6512, 6516, 6528, 6571, 6593, 6599, 6656, 6678, 6688, 6740, 6823, 6823, 6917, 6963, 6981, 6987, 7043, 7072, 7086, 7087, 7098, 7141, 7168, 7203, 7245, 7247, 7258, 7293, 7401, 7404, 7406, 7409, 7413, 7414, 7424, 7615, 7680, 7957, 7960, 7965, 7968, 8005, 8008, 8013, 8016, 8023, 8025, 8025, 8027, 8027, 8029, 8029, 8031, 8061, 8064, 8116, 8118, 8124, 8126, 8126, 8130, 8132, 8134, 8140, 8144, 8147, 8150, 8155, 8160, 8172, 8178, 8180, 8182, 8188, 8305, 8305, 8319, 8319, 8336, 8348, 8450, 8450, 8455, 8455, 8458, 8467, 8469, 8469, 8473, 8477, 8484, 8484, 8486, 8486, 8488, 8488, 8490, 8493, 8495, 8505, 8508, 8511, 8517, 8521, 8526, 8526, 8544, 8584, 11264, 11310, 11312, 11358, 11360, 11492, 11499, 11502, 11506, 11507, 11520, 11557, 11559, 11559, 11565, 11565, 11568, 11623, 11631, 11631, 11648, 11670, 11680, 11686, 11688, 11694, 11696, 11702, 11704, 11710, 11712, 11718, 11720, 11726, 11728, 11734, 11736, 11742, 11823, 11823, 12293, 12295, 12321, 12329, 12337, 12341, 12344, 12348, 12353, 12438, 12445, 12447, 12449, 12538, 12540, 12543, 12549, 12589, 12593, 12686, 12704, 12730, 12784, 12799, 13312, 19893, 19968, 40908, 40960, 42124, 42192, 42237, 42240, 42508, 42512, 42527, 42538, 42539, 42560, 42606, 42623, 42647, 42656, 42735, 42775, 42783, 42786, 42888, 42891, 42894, 42896, 42899, 42912, 42922, 43000, 43009, 43011, 43013, 43015, 43018, 43020, 43042, 43072, 43123, 43138, 43187, 43250, 43255, 43259, 43259, 43274, 43301, 43312, 43334, 43360, 43388, 43396, 43442, 43471, 43471, 43520, 43560, 43584, 43586, 43588, 43595, 43616, 43638, 43642, 43642, 43648, 43695, 43697, 43697, 43701, 43702, 43705, 43709, 43712, 43712, 43714, 43714, 43739, 43741, 43744, 43754, 43762, 43764, 43777, 43782, 43785, 43790, 43793, 43798, 43808, 43814, 43816, 43822, 43968, 44002, 44032, 55203, 55216, 55238, 55243, 55291, 63744, 64109, 64112, 64217, 64256, 64262, 64275, 64279, 64285, 64285, 64287, 64296, 64298, 64310, 64312, 64316, 64318, 64318, 64320, 64321, 64323, 64324, 64326, 64433, 64467, 64829, 64848, 64911, 64914, 64967, 65008, 65019, 65136, 65140, 65142, 65276, 65313, 65338, 65345, 65370, 65382, 65470, 65474, 65479, 65482, 65487, 65490, 65495, 65498, 65500,];
- var unicodeES5IdentifierPart = [170, 170, 181, 181, 186, 186, 192, 214, 216, 246, 248, 705, 710, 721, 736, 740, 748, 748, 750, 750, 768, 884, 886, 887, 890, 893, 902, 902, 904, 906, 908, 908, 910, 929, 931, 1013, 1015, 1153, 1155, 1159, 1162, 1319, 1329, 1366, 1369, 1369, 1377, 1415, 1425, 1469, 1471, 1471, 1473, 1474, 1476, 1477, 1479, 1479, 1488, 1514, 1520, 1522, 1552, 1562, 1568, 1641, 1646, 1747, 1749, 1756, 1759, 1768, 1770, 1788, 1791, 1791, 1808, 1866, 1869, 1969, 1984, 2037, 2042, 2042, 2048, 2093, 2112, 2139, 2208, 2208, 2210, 2220, 2276, 2302, 2304, 2403, 2406, 2415, 2417, 2423, 2425, 2431, 2433, 2435, 2437, 2444, 2447, 2448, 2451, 2472, 2474, 2480, 2482, 2482, 2486, 2489, 2492, 2500, 2503, 2504, 2507, 2510, 2519, 2519, 2524, 2525, 2527, 2531, 2534, 2545, 2561, 2563, 2565, 2570, 2575, 2576, 2579, 2600, 2602, 2608, 2610, 2611, 2613, 2614, 2616, 2617, 2620, 2620, 2622, 2626, 2631, 2632, 2635, 2637, 2641, 2641, 2649, 2652, 2654, 2654, 2662, 2677, 2689, 2691, 2693, 2701, 2703, 2705, 2707, 2728, 2730, 2736, 2738, 2739, 2741, 2745, 2748, 2757, 2759, 2761, 2763, 2765, 2768, 2768, 2784, 2787, 2790, 2799, 2817, 2819, 2821, 2828, 2831, 2832, 2835, 2856, 2858, 2864, 2866, 2867, 2869, 2873, 2876, 2884, 2887, 2888, 2891, 2893, 2902, 2903, 2908, 2909, 2911, 2915, 2918, 2927, 2929, 2929, 2946, 2947, 2949, 2954, 2958, 2960, 2962, 2965, 2969, 2970, 2972, 2972, 2974, 2975, 2979, 2980, 2984, 2986, 2990, 3001, 3006, 3010, 3014, 3016, 3018, 3021, 3024, 3024, 3031, 3031, 3046, 3055, 3073, 3075, 3077, 3084, 3086, 3088, 3090, 3112, 3114, 3123, 3125, 3129, 3133, 3140, 3142, 3144, 3146, 3149, 3157, 3158, 3160, 3161, 3168, 3171, 3174, 3183, 3202, 3203, 3205, 3212, 3214, 3216, 3218, 3240, 3242, 3251, 3253, 3257, 3260, 3268, 3270, 3272, 3274, 3277, 3285, 3286, 3294, 3294, 3296, 3299, 3302, 3311, 3313, 3314, 3330, 3331, 3333, 3340, 3342, 3344, 3346, 3386, 3389, 3396, 3398, 3400, 3402, 3406, 3415, 3415, 3424, 3427, 3430, 3439, 3450, 3455, 3458, 3459, 3461, 3478, 3482, 3505, 3507, 3515, 3517, 3517, 3520, 3526, 3530, 3530, 3535, 3540, 3542, 3542, 3544, 3551, 3570, 3571, 3585, 3642, 3648, 3662, 3664, 3673, 3713, 3714, 3716, 3716, 3719, 3720, 3722, 3722, 3725, 3725, 3732, 3735, 3737, 3743, 3745, 3747, 3749, 3749, 3751, 3751, 3754, 3755, 3757, 3769, 3771, 3773, 3776, 3780, 3782, 3782, 3784, 3789, 3792, 3801, 3804, 3807, 3840, 3840, 3864, 3865, 3872, 3881, 3893, 3893, 3895, 3895, 3897, 3897, 3902, 3911, 3913, 3948, 3953, 3972, 3974, 3991, 3993, 4028, 4038, 4038, 4096, 4169, 4176, 4253, 4256, 4293, 4295, 4295, 4301, 4301, 4304, 4346, 4348, 4680, 4682, 4685, 4688, 4694, 4696, 4696, 4698, 4701, 4704, 4744, 4746, 4749, 4752, 4784, 4786, 4789, 4792, 4798, 4800, 4800, 4802, 4805, 4808, 4822, 4824, 4880, 4882, 4885, 4888, 4954, 4957, 4959, 4992, 5007, 5024, 5108, 5121, 5740, 5743, 5759, 5761, 5786, 5792, 5866, 5870, 5872, 5888, 5900, 5902, 5908, 5920, 5940, 5952, 5971, 5984, 5996, 5998, 6000, 6002, 6003, 6016, 6099, 6103, 6103, 6108, 6109, 6112, 6121, 6155, 6157, 6160, 6169, 6176, 6263, 6272, 6314, 6320, 6389, 6400, 6428, 6432, 6443, 6448, 6459, 6470, 6509, 6512, 6516, 6528, 6571, 6576, 6601, 6608, 6617, 6656, 6683, 6688, 6750, 6752, 6780, 6783, 6793, 6800, 6809, 6823, 6823, 6912, 6987, 6992, 7001, 7019, 7027, 7040, 7155, 7168, 7223, 7232, 7241, 7245, 7293, 7376, 7378, 7380, 7414, 7424, 7654, 7676, 7957, 7960, 7965, 7968, 8005, 8008, 8013, 8016, 8023, 8025, 8025, 8027, 8027, 8029, 8029, 8031, 8061, 8064, 8116, 8118, 8124, 8126, 8126, 8130, 8132, 8134, 8140, 8144, 8147, 8150, 8155, 8160, 8172, 8178, 8180, 8182, 8188, 8204, 8205, 8255, 8256, 8276, 8276, 8305, 8305, 8319, 8319, 8336, 8348, 8400, 8412, 8417, 8417, 8421, 8432, 8450, 8450, 8455, 8455, 8458, 8467, 8469, 8469, 8473, 8477, 8484, 8484, 8486, 8486, 8488, 8488, 8490, 8493, 8495, 8505, 8508, 8511, 8517, 8521, 8526, 8526, 8544, 8584, 11264, 11310, 11312, 11358, 11360, 11492, 11499, 11507, 11520, 11557, 11559, 11559, 11565, 11565, 11568, 11623, 11631, 11631, 11647, 11670, 11680, 11686, 11688, 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64285, 64296, 64298, 64310, 64312, 64316, 64318, 64318, 64320, 64321, 64323, 64324, 64326, 64433, 64467, 64829, 64848, 64911, 64914, 64967, 65008, 65019, 65024, 65039, 65056, 65062, 65075, 65076, 65101, 65103, 65136, 65140, 65142, 65276, 65296, 65305, 65313, 65338, 65343, 65343, 65345, 65370, 65382, 65470, 65474, 65479, 65482, 65487, 65490, 65495, 65498, 65500,];
- /**
- * Generated by scripts/regenerate-unicode-identifier-parts.js on node v12.4.0 with unicode 12.1
- * based on http://www.unicode.org/reports/tr31/ and https://www.ecma-international.org/ecma-262/6.0/#sec-names-and-keywords
- * unicodeESNextIdentifierStart corresponds to the ID_Start and Other_ID_Start property, and
- * unicodeESNextIdentifierPart corresponds to ID_Continue, Other_ID_Continue, plus ID_Start and Other_ID_Start
- */
- var unicodeESNextIdentifierStart = [65, 90, 97, 122, 170, 170, 181, 181, 186, 186, 192, 214, 216, 246, 248, 705, 710, 721, 736, 740, 748, 748, 750, 750, 880, 884, 886, 887, 890, 893, 895, 895, 902, 902, 904, 906, 908, 908, 910, 929, 931, 1013, 1015, 1153, 1162, 1327, 1329, 1366, 1369, 1369, 1376, 1416, 1488, 1514, 1519, 1522, 1568, 1610, 1646, 1647, 1649, 1747, 1749, 1749, 1765, 1766, 1774, 1775, 1786, 1788, 1791, 1791, 1808, 1808, 1810, 1839, 1869, 1957, 1969, 1969, 1994, 2026, 2036, 2037, 2042, 2042, 2048, 2069, 2074, 2074, 2084, 2084, 2088, 2088, 2112, 2136, 2144, 2154, 2208, 2228, 2230, 2237, 2308, 2361, 2365, 2365, 2384, 2384, 2392, 2401, 2417, 2432, 2437, 2444, 2447, 2448, 2451, 2472, 2474, 2480, 2482, 2482, 2486, 2489, 2493, 2493, 2510, 2510, 2524, 2525, 2527, 2529, 2544, 2545, 2556, 2556, 2565, 2570, 2575, 2576, 2579, 2600, 2602, 2608, 2610, 2611, 2613, 2614, 2616, 2617, 2649, 2652, 2654, 2654, 2674, 2676, 2693, 2701, 2703, 2705, 2707, 2728, 2730, 2736, 2738, 2739, 2741, 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- var unicodeESNextIdentifierPart = [48, 57, 65, 90, 95, 95, 97, 122, 170, 170, 181, 181, 183, 183, 186, 186, 192, 214, 216, 246, 248, 705, 710, 721, 736, 740, 748, 748, 750, 750, 768, 884, 886, 887, 890, 893, 895, 895, 902, 906, 908, 908, 910, 929, 931, 1013, 1015, 1153, 1155, 1159, 1162, 1327, 1329, 1366, 1369, 1369, 1376, 1416, 1425, 1469, 1471, 1471, 1473, 1474, 1476, 1477, 1479, 1479, 1488, 1514, 1519, 1522, 1552, 1562, 1568, 1641, 1646, 1747, 1749, 1756, 1759, 1768, 1770, 1788, 1791, 1791, 1808, 1866, 1869, 1969, 1984, 2037, 2042, 2042, 2045, 2045, 2048, 2093, 2112, 2139, 2144, 2154, 2208, 2228, 2230, 2237, 2259, 2273, 2275, 2403, 2406, 2415, 2417, 2435, 2437, 2444, 2447, 2448, 2451, 2472, 2474, 2480, 2482, 2482, 2486, 2489, 2492, 2500, 2503, 2504, 2507, 2510, 2519, 2519, 2524, 2525, 2527, 2531, 2534, 2545, 2556, 2556, 2558, 2558, 2561, 2563, 2565, 2570, 2575, 2576, 2579, 2600, 2602, 2608, 2610, 2611, 2613, 2614, 2616, 2617, 2620, 2620, 2622, 2626, 2631, 2632, 2635, 2637, 2641, 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11680, 11686, 11688, 11694, 11696, 11702, 11704, 11710, 11712, 11718, 11720, 11726, 11728, 11734, 11736, 11742, 11744, 11775, 12293, 12295, 12321, 12335, 12337, 12341, 12344, 12348, 12353, 12438, 12441, 12447, 12449, 12538, 12540, 12543, 12549, 12591, 12593, 12686, 12704, 12730, 12784, 12799, 13312, 19893, 19968, 40943, 40960, 42124, 42192, 42237, 42240, 42508, 42512, 42539, 42560, 42607, 42612, 42621, 42623, 42737, 42775, 42783, 42786, 42888, 42891, 42943, 42946, 42950, 42999, 43047, 43072, 43123, 43136, 43205, 43216, 43225, 43232, 43255, 43259, 43259, 43261, 43309, 43312, 43347, 43360, 43388, 43392, 43456, 43471, 43481, 43488, 43518, 43520, 43574, 43584, 43597, 43600, 43609, 43616, 43638, 43642, 43714, 43739, 43741, 43744, 43759, 43762, 43766, 43777, 43782, 43785, 43790, 43793, 43798, 43808, 43814, 43816, 43822, 43824, 43866, 43868, 43879, 43888, 44010, 44012, 44013, 44016, 44025, 44032, 55203, 55216, 55238, 55243, 55291, 63744, 64109, 64112, 64217, 64256, 64262, 64275, 64279, 64285, 64296, 64298, 64310, 64312, 64316, 64318, 64318, 64320, 64321, 64323, 64324, 64326, 64433, 64467, 64829, 64848, 64911, 64914, 64967, 65008, 65019, 65024, 65039, 65056, 65071, 65075, 65076, 65101, 65103, 65136, 65140, 65142, 65276, 65296, 65305, 65313, 65338, 65343, 65343, 65345, 65370, 65382, 65470, 65474, 65479, 65482, 65487, 65490, 65495, 65498, 65500, 65536, 65547, 65549, 65574, 65576, 65594, 65596, 65597, 65599, 65613, 65616, 65629, 65664, 65786, 65856, 65908, 66045, 66045, 66176, 66204, 66208, 66256, 66272, 66272, 66304, 66335, 66349, 66378, 66384, 66426, 66432, 66461, 66464, 66499, 66504, 66511, 66513, 66517, 66560, 66717, 66720, 66729, 66736, 66771, 66776, 66811, 66816, 66855, 66864, 66915, 67072, 67382, 67392, 67413, 67424, 67431, 67584, 67589, 67592, 67592, 67594, 67637, 67639, 67640, 67644, 67644, 67647, 67669, 67680, 67702, 67712, 67742, 67808, 67826, 67828, 67829, 67840, 67861, 67872, 67897, 67968, 68023, 68030, 68031, 68096, 68099, 68101, 68102, 68108, 68115, 68117, 68119, 68121, 68149, 68152, 68154, 68159, 68159, 68192, 68220, 68224, 68252, 68288, 68295, 68297, 68326, 68352, 68405, 68416, 68437, 68448, 68466, 68480, 68497, 68608, 68680, 68736, 68786, 68800, 68850, 68864, 68903, 68912, 68921, 69376, 69404, 69415, 69415, 69424, 69456, 69600, 69622, 69632, 69702, 69734, 69743, 69759, 69818, 69840, 69864, 69872, 69881, 69888, 69940, 69942, 69951, 69956, 69958, 69968, 70003, 70006, 70006, 70016, 70084, 70089, 70092, 70096, 70106, 70108, 70108, 70144, 70161, 70163, 70199, 70206, 70206, 70272, 70278, 70280, 70280, 70282, 70285, 70287, 70301, 70303, 70312, 70320, 70378, 70384, 70393, 70400, 70403, 70405, 70412, 70415, 70416, 70419, 70440, 70442, 70448, 70450, 70451, 70453, 70457, 70459, 70468, 70471, 70472, 70475, 70477, 70480, 70480, 70487, 70487, 70493, 70499, 70502, 70508, 70512, 70516, 70656, 70730, 70736, 70745, 70750, 70751, 70784, 70853, 70855, 70855, 70864, 70873, 71040, 71093, 71096, 71104, 71128, 71133, 71168, 71232, 71236, 71236, 71248, 71257, 71296, 71352, 71360, 71369, 71424, 71450, 71453, 71467, 71472, 71481, 71680, 71738, 71840, 71913, 71935, 71935, 72096, 72103, 72106, 72151, 72154, 72161, 72163, 72164, 72192, 72254, 72263, 72263, 72272, 72345, 72349, 72349, 72384, 72440, 72704, 72712, 72714, 72758, 72760, 72768, 72784, 72793, 72818, 72847, 72850, 72871, 72873, 72886, 72960, 72966, 72968, 72969, 72971, 73014, 73018, 73018, 73020, 73021, 73023, 73031, 73040, 73049, 73056, 73061, 73063, 73064, 73066, 73102, 73104, 73105, 73107, 73112, 73120, 73129, 73440, 73462, 73728, 74649, 74752, 74862, 74880, 75075, 77824, 78894, 82944, 83526, 92160, 92728, 92736, 92766, 92768, 92777, 92880, 92909, 92912, 92916, 92928, 92982, 92992, 92995, 93008, 93017, 93027, 93047, 93053, 93071, 93760, 93823, 93952, 94026, 94031, 94087, 94095, 94111, 94176, 94177, 94179, 94179, 94208, 100343, 100352, 101106, 110592, 110878, 110928, 110930, 110948, 110951, 110960, 111355, 113664, 113770, 113776, 113788, 113792, 113800, 113808, 113817, 113821, 113822, 119141, 119145, 119149, 119154, 119163, 119170, 119173, 119179, 119210, 119213, 119362, 119364, 119808, 119892, 119894, 119964, 119966, 119967, 119970, 119970, 119973, 119974, 119977, 119980, 119982, 119993, 119995, 119995, 119997, 120003, 120005, 120069, 120071, 120074, 120077, 120084, 120086, 120092, 120094, 120121, 120123, 120126, 120128, 120132, 120134, 120134, 120138, 120144, 120146, 120485, 120488, 120512, 120514, 120538, 120540, 120570, 120572, 120596, 120598, 120628, 120630, 120654, 120656, 120686, 120688, 120712, 120714, 120744, 120746, 120770, 120772, 120779, 120782, 120831, 121344, 121398, 121403, 121452, 121461, 121461, 121476, 121476, 121499, 121503, 121505, 121519, 122880, 122886, 122888, 122904, 122907, 122913, 122915, 122916, 122918, 122922, 123136, 123180, 123184, 123197, 123200, 123209, 123214, 123214, 123584, 123641, 124928, 125124, 125136, 125142, 125184, 125259, 125264, 125273, 126464, 126467, 126469, 126495, 126497, 126498, 126500, 126500, 126503, 126503, 126505, 126514, 126516, 126519, 126521, 126521, 126523, 126523, 126530, 126530, 126535, 126535, 126537, 126537, 126539, 126539, 126541, 126543, 126545, 126546, 126548, 126548, 126551, 126551, 126553, 126553, 126555, 126555, 126557, 126557, 126559, 126559, 126561, 126562, 126564, 126564, 126567, 126570, 126572, 126578, 126580, 126583, 126585, 126588, 126590, 126590, 126592, 126601, 126603, 126619, 126625, 126627, 126629, 126633, 126635, 126651, 131072, 173782, 173824, 177972, 177984, 178205, 178208, 183969, 183984, 191456, 194560, 195101, 917760, 917999];
- /**
- * Test for whether a single line comment's text contains a directive.
- */
- var commentDirectiveRegExSingleLine = /^\s*\/\/\/?\s*@(ts-expect-error|ts-ignore)/;
- /**
- * Test for whether a multi-line comment's last line contains a directive.
- */
- var commentDirectiveRegExMultiLine = /^\s*(?:\/|\*)*\s*@(ts-expect-error|ts-ignore)/;
- function lookupInUnicodeMap(code, map) {
- // Bail out quickly if it couldn't possibly be in the map.
- if (code < map[0]) {
- return false;
- }
- // Perform binary search in one of the Unicode range maps
- var lo = 0;
- var hi = map.length;
- var mid;
- while (lo + 1 < hi) {
- mid = lo + (hi - lo) / 2;
- // mid has to be even to catch a range's beginning
- mid -= mid % 2;
- if (map[mid] <= code && code <= map[mid + 1]) {
- return true;
- }
- if (code < map[mid]) {
- hi = mid;
- }
- else {
- lo = mid + 2;
- }
- }
- return false;
- }
- /* @internal */ function isUnicodeIdentifierStart(code, languageVersion) {
- return languageVersion >= 2 /* ES2015 */ ?
- lookupInUnicodeMap(code, unicodeESNextIdentifierStart) :
- languageVersion === 1 /* ES5 */ ? lookupInUnicodeMap(code, unicodeES5IdentifierStart) :
- lookupInUnicodeMap(code, unicodeES3IdentifierStart);
- }
- ts.isUnicodeIdentifierStart = isUnicodeIdentifierStart;
- function isUnicodeIdentifierPart(code, languageVersion) {
- return languageVersion >= 2 /* ES2015 */ ?
- lookupInUnicodeMap(code, unicodeESNextIdentifierPart) :
- languageVersion === 1 /* ES5 */ ? lookupInUnicodeMap(code, unicodeES5IdentifierPart) :
- lookupInUnicodeMap(code, unicodeES3IdentifierPart);
- }
- function makeReverseMap(source) {
- var result = [];
- source.forEach(function (value, name) {
- result[value] = name;
- });
- return result;
- }
- var tokenStrings = makeReverseMap(textToToken);
- function tokenToString(t) {
- return tokenStrings[t];
- }
- ts.tokenToString = tokenToString;
- /* @internal */
- function stringToToken(s) {
- return textToToken.get(s);
- }
- ts.stringToToken = stringToToken;
- /* @internal */
- function computeLineStarts(text) {
- var result = new Array();
- var pos = 0;
- var lineStart = 0;
- while (pos < text.length) {
- var ch = text.charCodeAt(pos);
- pos++;
- switch (ch) {
- case 13 /* carriageReturn */:
- if (text.charCodeAt(pos) === 10 /* lineFeed */) {
- pos++;
- }
- // falls through
- case 10 /* lineFeed */:
- result.push(lineStart);
- lineStart = pos;
- break;
- default:
- if (ch > 127 /* maxAsciiCharacter */ && isLineBreak(ch)) {
- result.push(lineStart);
- lineStart = pos;
- }
- break;
- }
- }
- result.push(lineStart);
- return result;
- }
- ts.computeLineStarts = computeLineStarts;
- function getPositionOfLineAndCharacter(sourceFile, line, character, allowEdits) {
- return sourceFile.getPositionOfLineAndCharacter ?
- sourceFile.getPositionOfLineAndCharacter(line, character, allowEdits) :
- computePositionOfLineAndCharacter(getLineStarts(sourceFile), line, character, sourceFile.text, allowEdits);
- }
- ts.getPositionOfLineAndCharacter = getPositionOfLineAndCharacter;
- /* @internal */
- function computePositionOfLineAndCharacter(lineStarts, line, character, debugText, allowEdits) {
- if (line < 0 || line >= lineStarts.length) {
- if (allowEdits) {
- // Clamp line to nearest allowable value
- line = line < 0 ? 0 : line >= lineStarts.length ? lineStarts.length - 1 : line;
- }
- else {
- ts.Debug.fail("Bad line number. Line: " + line + ", lineStarts.length: " + lineStarts.length + " , line map is correct? " + (debugText !== undefined ? ts.arraysEqual(lineStarts, computeLineStarts(debugText)) : "unknown"));
- }
- }
- var res = lineStarts[line] + character;
- if (allowEdits) {
- // Clamp to nearest allowable values to allow the underlying to be edited without crashing (accuracy is lost, instead)
- // TODO: Somehow track edits between file as it was during the creation of sourcemap we have and the current file and
- // apply them to the computed position to improve accuracy
- return res > lineStarts[line + 1] ? lineStarts[line + 1] : typeof debugText === "string" && res > debugText.length ? debugText.length : res;
- }
- if (line < lineStarts.length - 1) {
- ts.Debug.assert(res < lineStarts[line + 1]);
- }
- else if (debugText !== undefined) {
- ts.Debug.assert(res <= debugText.length); // Allow single character overflow for trailing newline
- }
- return res;
- }
- ts.computePositionOfLineAndCharacter = computePositionOfLineAndCharacter;
- /* @internal */
- function getLineStarts(sourceFile) {
- return sourceFile.lineMap || (sourceFile.lineMap = computeLineStarts(sourceFile.text));
- }
- ts.getLineStarts = getLineStarts;
- /* @internal */
- function computeLineAndCharacterOfPosition(lineStarts, position) {
- var lineNumber = computeLineOfPosition(lineStarts, position);
- return {
- line: lineNumber,
- character: position - lineStarts[lineNumber]
- };
- }
- ts.computeLineAndCharacterOfPosition = computeLineAndCharacterOfPosition;
- /**
- * @internal
- * We assume the first line starts at position 0 and 'position' is non-negative.
- */
- function computeLineOfPosition(lineStarts, position, lowerBound) {
- var lineNumber = ts.binarySearch(lineStarts, position, ts.identity, ts.compareValues, lowerBound);
- if (lineNumber < 0) {
- // If the actual position was not found,
- // the binary search returns the 2's-complement of the next line start
- // e.g. if the line starts at [5, 10, 23, 80] and the position requested was 20
- // then the search will return -2.
- //
- // We want the index of the previous line start, so we subtract 1.
- // Review 2's-complement if this is confusing.
- lineNumber = ~lineNumber - 1;
- ts.Debug.assert(lineNumber !== -1, "position cannot precede the beginning of the file");
- }
- return lineNumber;
- }
- ts.computeLineOfPosition = computeLineOfPosition;
- /** @internal */
- function getLinesBetweenPositions(sourceFile, pos1, pos2) {
- if (pos1 === pos2)
- return 0;
- var lineStarts = getLineStarts(sourceFile);
- var lower = Math.min(pos1, pos2);
- var isNegative = lower === pos2;
- var upper = isNegative ? pos1 : pos2;
- var lowerLine = computeLineOfPosition(lineStarts, lower);
- var upperLine = computeLineOfPosition(lineStarts, upper, lowerLine);
- return isNegative ? lowerLine - upperLine : upperLine - lowerLine;
- }
- ts.getLinesBetweenPositions = getLinesBetweenPositions;
- function getLineAndCharacterOfPosition(sourceFile, position) {
- return computeLineAndCharacterOfPosition(getLineStarts(sourceFile), position);
- }
- ts.getLineAndCharacterOfPosition = getLineAndCharacterOfPosition;
- function isWhiteSpaceLike(ch) {
- return isWhiteSpaceSingleLine(ch) || isLineBreak(ch);
- }
- ts.isWhiteSpaceLike = isWhiteSpaceLike;
- /** Does not include line breaks. For that, see isWhiteSpaceLike. */
- function isWhiteSpaceSingleLine(ch) {
- // Note: nextLine is in the Zs space, and should be considered to be a whitespace.
- // It is explicitly not a line-break as it isn't in the exact set specified by EcmaScript.
- return ch === 32 /* space */ ||
- ch === 9 /* tab */ ||
- ch === 11 /* verticalTab */ ||
- ch === 12 /* formFeed */ ||
- ch === 160 /* nonBreakingSpace */ ||
- ch === 133 /* nextLine */ ||
- ch === 5760 /* ogham */ ||
- ch >= 8192 /* enQuad */ && ch <= 8203 /* zeroWidthSpace */ ||
- ch === 8239 /* narrowNoBreakSpace */ ||
- ch === 8287 /* mathematicalSpace */ ||
- ch === 12288 /* ideographicSpace */ ||
- ch === 65279 /* byteOrderMark */;
- }
- ts.isWhiteSpaceSingleLine = isWhiteSpaceSingleLine;
- function isLineBreak(ch) {
- // ES5 7.3:
- // The ECMAScript line terminator characters are listed in Table 3.
- // Table 3: Line Terminator Characters
- // Code Unit Value Name Formal Name
- // \u000A Line Feed <LF>
- // \u000D Carriage Return <CR>
- // \u2028 Line separator <LS>
- // \u2029 Paragraph separator <PS>
- // Only the characters in Table 3 are treated as line terminators. Other new line or line
- // breaking characters are treated as white space but not as line terminators.
- return ch === 10 /* lineFeed */ ||
- ch === 13 /* carriageReturn */ ||
- ch === 8232 /* lineSeparator */ ||
- ch === 8233 /* paragraphSeparator */;
- }
- ts.isLineBreak = isLineBreak;
- function isDigit(ch) {
- return ch >= 48 /* _0 */ && ch <= 57 /* _9 */;
- }
- function isHexDigit(ch) {
- return isDigit(ch) || ch >= 65 /* A */ && ch <= 70 /* F */ || ch >= 97 /* a */ && ch <= 102 /* f */;
- }
- function isCodePoint(code) {
- return code <= 0x10FFFF;
- }
- /* @internal */
- function isOctalDigit(ch) {
- return ch >= 48 /* _0 */ && ch <= 55 /* _7 */;
- }
- ts.isOctalDigit = isOctalDigit;
- function couldStartTrivia(text, pos) {
- // Keep in sync with skipTrivia
- var ch = text.charCodeAt(pos);
- switch (ch) {
- case 13 /* carriageReturn */:
- case 10 /* lineFeed */:
- case 9 /* tab */:
- case 11 /* verticalTab */:
- case 12 /* formFeed */:
- case 32 /* space */:
- case 47 /* slash */:
- // starts of normal trivia
- // falls through
- case 60 /* lessThan */:
- case 124 /* bar */:
- case 61 /* equals */:
- case 62 /* greaterThan */:
- // Starts of conflict marker trivia
- return true;
- case 35 /* hash */:
- // Only if its the beginning can we have #! trivia
- return pos === 0;
- default:
- return ch > 127 /* maxAsciiCharacter */;
- }
- }
- ts.couldStartTrivia = couldStartTrivia;
- /* @internal */
- function skipTrivia(text, pos, stopAfterLineBreak, stopAtComments) {
- if (stopAtComments === void 0) { stopAtComments = false; }
- if (ts.positionIsSynthesized(pos)) {
- return pos;
- }
- // Keep in sync with couldStartTrivia
- while (true) {
- var ch = text.charCodeAt(pos);
- switch (ch) {
- case 13 /* carriageReturn */:
- if (text.charCodeAt(pos + 1) === 10 /* lineFeed */) {
- pos++;
- }
- // falls through
- case 10 /* lineFeed */:
- pos++;
- if (stopAfterLineBreak) {
- return pos;
- }
- continue;
- case 9 /* tab */:
- case 11 /* verticalTab */:
- case 12 /* formFeed */:
- case 32 /* space */:
- pos++;
- continue;
- case 47 /* slash */:
- if (stopAtComments) {
- break;
- }
- if (text.charCodeAt(pos + 1) === 47 /* slash */) {
- pos += 2;
- while (pos < text.length) {
- if (isLineBreak(text.charCodeAt(pos))) {
- break;
- }
- pos++;
- }
- continue;
- }
- if (text.charCodeAt(pos + 1) === 42 /* asterisk */) {
- pos += 2;
- while (pos < text.length) {
- if (text.charCodeAt(pos) === 42 /* asterisk */ && text.charCodeAt(pos + 1) === 47 /* slash */) {
- pos += 2;
- break;
- }
- pos++;
- }
- continue;
- }
- break;
- case 60 /* lessThan */:
- case 124 /* bar */:
- case 61 /* equals */:
- case 62 /* greaterThan */:
- if (isConflictMarkerTrivia(text, pos)) {
- pos = scanConflictMarkerTrivia(text, pos);
- continue;
- }
- break;
- case 35 /* hash */:
- if (pos === 0 && isShebangTrivia(text, pos)) {
- pos = scanShebangTrivia(text, pos);
- continue;
- }
- break;
- default:
- if (ch > 127 /* maxAsciiCharacter */ && (isWhiteSpaceLike(ch))) {
- pos++;
- continue;
- }
- break;
- }
- return pos;
- }
- }
- ts.skipTrivia = skipTrivia;
- // All conflict markers consist of the same character repeated seven times. If it is
- // a <<<<<<< or >>>>>>> marker then it is also followed by a space.
- var mergeConflictMarkerLength = "<<<<<<<".length;
- function isConflictMarkerTrivia(text, pos) {
- ts.Debug.assert(pos >= 0);
- // Conflict markers must be at the start of a line.
- if (pos === 0 || isLineBreak(text.charCodeAt(pos - 1))) {
- var ch = text.charCodeAt(pos);
- if ((pos + mergeConflictMarkerLength) < text.length) {
- for (var i = 0; i < mergeConflictMarkerLength; i++) {
- if (text.charCodeAt(pos + i) !== ch) {
- return false;
- }
- }
- return ch === 61 /* equals */ ||
- text.charCodeAt(pos + mergeConflictMarkerLength) === 32 /* space */;
- }
- }
- return false;
- }
- function scanConflictMarkerTrivia(text, pos, error) {
- if (error) {
- error(ts.Diagnostics.Merge_conflict_marker_encountered, pos, mergeConflictMarkerLength);
- }
- var ch = text.charCodeAt(pos);
- var len = text.length;
- if (ch === 60 /* lessThan */ || ch === 62 /* greaterThan */) {
- while (pos < len && !isLineBreak(text.charCodeAt(pos))) {
- pos++;
- }
- }
- else {
- ts.Debug.assert(ch === 124 /* bar */ || ch === 61 /* equals */);
- // Consume everything from the start of a ||||||| or ======= marker to the start
- // of the next ======= or >>>>>>> marker.
- while (pos < len) {
- var currentChar = text.charCodeAt(pos);
- if ((currentChar === 61 /* equals */ || currentChar === 62 /* greaterThan */) && currentChar !== ch && isConflictMarkerTrivia(text, pos)) {
- break;
- }
- pos++;
- }
- }
- return pos;
- }
- var shebangTriviaRegex = /^#!.*/;
- /*@internal*/
- function isShebangTrivia(text, pos) {
- // Shebangs check must only be done at the start of the file
- ts.Debug.assert(pos === 0);
- return shebangTriviaRegex.test(text);
- }
- ts.isShebangTrivia = isShebangTrivia;
- /*@internal*/
- function scanShebangTrivia(text, pos) {
- var shebang = shebangTriviaRegex.exec(text)[0];
- pos = pos + shebang.length;
- return pos;
- }
- ts.scanShebangTrivia = scanShebangTrivia;
- /**
- * Invokes a callback for each comment range following the provided position.
- *
- * Single-line comment ranges include the leading double-slash characters but not the ending
- * line break. Multi-line comment ranges include the leading slash-asterisk and trailing
- * asterisk-slash characters.
- *
- * @param reduce If true, accumulates the result of calling the callback in a fashion similar
- * to reduceLeft. If false, iteration stops when the callback returns a truthy value.
- * @param text The source text to scan.
- * @param pos The position at which to start scanning.
- * @param trailing If false, whitespace is skipped until the first line break and comments
- * between that location and the next token are returned. If true, comments occurring
- * between the given position and the next line break are returned.
- * @param cb The callback to execute as each comment range is encountered.
- * @param state A state value to pass to each iteration of the callback.
- * @param initial An initial value to pass when accumulating results (when "reduce" is true).
- * @returns If "reduce" is true, the accumulated value. If "reduce" is false, the first truthy
- * return value of the callback.
- */
- function iterateCommentRanges(reduce, text, pos, trailing, cb, state, initial) {
- var pendingPos;
- var pendingEnd;
- var pendingKind;
- var pendingHasTrailingNewLine;
- var hasPendingCommentRange = false;
- var collecting = trailing;
- var accumulator = initial;
- if (pos === 0) {
- collecting = true;
- var shebang = getShebang(text);
- if (shebang) {
- pos = shebang.length;
- }
- }
- scan: while (pos >= 0 && pos < text.length) {
- var ch = text.charCodeAt(pos);
- switch (ch) {
- case 13 /* carriageReturn */:
- if (text.charCodeAt(pos + 1) === 10 /* lineFeed */) {
- pos++;
- }
- // falls through
- case 10 /* lineFeed */:
- pos++;
- if (trailing) {
- break scan;
- }
- collecting = true;
- if (hasPendingCommentRange) {
- pendingHasTrailingNewLine = true;
- }
- continue;
- case 9 /* tab */:
- case 11 /* verticalTab */:
- case 12 /* formFeed */:
- case 32 /* space */:
- pos++;
- continue;
- case 47 /* slash */:
- var nextChar = text.charCodeAt(pos + 1);
- var hasTrailingNewLine = false;
- if (nextChar === 47 /* slash */ || nextChar === 42 /* asterisk */) {
- var kind = nextChar === 47 /* slash */ ? 2 /* SingleLineCommentTrivia */ : 3 /* MultiLineCommentTrivia */;
- var startPos = pos;
- pos += 2;
- if (nextChar === 47 /* slash */) {
- while (pos < text.length) {
- if (isLineBreak(text.charCodeAt(pos))) {
- hasTrailingNewLine = true;
- break;
- }
- pos++;
- }
- }
- else {
- while (pos < text.length) {
- if (text.charCodeAt(pos) === 42 /* asterisk */ && text.charCodeAt(pos + 1) === 47 /* slash */) {
- pos += 2;
- break;
- }
- pos++;
- }
- }
- if (collecting) {
- if (hasPendingCommentRange) {
- accumulator = cb(pendingPos, pendingEnd, pendingKind, pendingHasTrailingNewLine, state, accumulator);
- if (!reduce && accumulator) {
- // If we are not reducing and we have a truthy result, return it.
- return accumulator;
- }
- }
- pendingPos = startPos;
- pendingEnd = pos;
- pendingKind = kind;
- pendingHasTrailingNewLine = hasTrailingNewLine;
- hasPendingCommentRange = true;
- }
- continue;
- }
- break scan;
- default:
- if (ch > 127 /* maxAsciiCharacter */ && (isWhiteSpaceLike(ch))) {
- if (hasPendingCommentRange && isLineBreak(ch)) {
- pendingHasTrailingNewLine = true;
- }
- pos++;
- continue;
- }
- break scan;
- }
- }
- if (hasPendingCommentRange) {
- accumulator = cb(pendingPos, pendingEnd, pendingKind, pendingHasTrailingNewLine, state, accumulator);
- }
- return accumulator;
- }
- function forEachLeadingCommentRange(text, pos, cb, state) {
- return iterateCommentRanges(/*reduce*/ false, text, pos, /*trailing*/ false, cb, state);
- }
- ts.forEachLeadingCommentRange = forEachLeadingCommentRange;
- function forEachTrailingCommentRange(text, pos, cb, state) {
- return iterateCommentRanges(/*reduce*/ false, text, pos, /*trailing*/ true, cb, state);
- }
- ts.forEachTrailingCommentRange = forEachTrailingCommentRange;
- function reduceEachLeadingCommentRange(text, pos, cb, state, initial) {
- return iterateCommentRanges(/*reduce*/ true, text, pos, /*trailing*/ false, cb, state, initial);
- }
- ts.reduceEachLeadingCommentRange = reduceEachLeadingCommentRange;
- function reduceEachTrailingCommentRange(text, pos, cb, state, initial) {
- return iterateCommentRanges(/*reduce*/ true, text, pos, /*trailing*/ true, cb, state, initial);
- }
- ts.reduceEachTrailingCommentRange = reduceEachTrailingCommentRange;
- function appendCommentRange(pos, end, kind, hasTrailingNewLine, _state, comments) {
- if (!comments) {
- comments = [];
- }
- comments.push({ kind: kind, pos: pos, end: end, hasTrailingNewLine: hasTrailingNewLine });
- return comments;
- }
- function getLeadingCommentRanges(text, pos) {
- return reduceEachLeadingCommentRange(text, pos, appendCommentRange, /*state*/ undefined, /*initial*/ undefined);
- }
- ts.getLeadingCommentRanges = getLeadingCommentRanges;
- function getTrailingCommentRanges(text, pos) {
- return reduceEachTrailingCommentRange(text, pos, appendCommentRange, /*state*/ undefined, /*initial*/ undefined);
- }
- ts.getTrailingCommentRanges = getTrailingCommentRanges;
- /** Optionally, get the shebang */
- function getShebang(text) {
- var match = shebangTriviaRegex.exec(text);
- if (match) {
- return match[0];
- }
- }
- ts.getShebang = getShebang;
- function isIdentifierStart(ch, languageVersion) {
- return ch >= 65 /* A */ && ch <= 90 /* Z */ || ch >= 97 /* a */ && ch <= 122 /* z */ ||
- ch === 36 /* $ */ || ch === 95 /* _ */ ||
- ch > 127 /* maxAsciiCharacter */ && isUnicodeIdentifierStart(ch, languageVersion);
- }
- ts.isIdentifierStart = isIdentifierStart;
- function isIdentifierPart(ch, languageVersion, identifierVariant) {
- return ch >= 65 /* A */ && ch <= 90 /* Z */ || ch >= 97 /* a */ && ch <= 122 /* z */ ||
- ch >= 48 /* _0 */ && ch <= 57 /* _9 */ || ch === 36 /* $ */ || ch === 95 /* _ */ ||
- // "-" and ":" are valid in JSX Identifiers
- (identifierVariant === 1 /* JSX */ ? (ch === 45 /* minus */ || ch === 58 /* colon */) : false) ||
- ch > 127 /* maxAsciiCharacter */ && isUnicodeIdentifierPart(ch, languageVersion);
- }
- ts.isIdentifierPart = isIdentifierPart;
- /* @internal */
- function isIdentifierText(name, languageVersion, identifierVariant) {
- var ch = codePointAt(name, 0);
- if (!isIdentifierStart(ch, languageVersion)) {
- return false;
- }
- for (var i = charSize(ch); i < name.length; i += charSize(ch)) {
- if (!isIdentifierPart(ch = codePointAt(name, i), languageVersion, identifierVariant)) {
- return false;
- }
- }
- return true;
- }
- ts.isIdentifierText = isIdentifierText;
- // Creates a scanner over a (possibly unspecified) range of a piece of text.
- function createScanner(languageVersion, skipTrivia, languageVariant, textInitial, onError, start, length) {
- if (languageVariant === void 0) { languageVariant = 0 /* Standard */; }
- var text = textInitial;
- // Current position (end position of text of current token)
- var pos;
- // end of text
- var end;
- // Start position of whitespace before current token
- var startPos;
- // Start position of text of current token
- var tokenPos;
- var token;
- var tokenValue;
- var tokenFlags;
- var commentDirectives;
- var inJSDocType = 0;
- setText(text, start, length);
- var scanner = {
- getStartPos: function () { return startPos; },
- getTextPos: function () { return pos; },
- getToken: function () { return token; },
- getTokenPos: function () { return tokenPos; },
- getTokenText: function () { return text.substring(tokenPos, pos); },
- getTokenValue: function () { return tokenValue; },
- hasUnicodeEscape: function () { return (tokenFlags & 1024 /* UnicodeEscape */) !== 0; },
- hasExtendedUnicodeEscape: function () { return (tokenFlags & 8 /* ExtendedUnicodeEscape */) !== 0; },
- hasPrecedingLineBreak: function () { return (tokenFlags & 1 /* PrecedingLineBreak */) !== 0; },
- isIdentifier: function () { return token === 75 /* Identifier */ || token > 112 /* LastReservedWord */; },
- isReservedWord: function () { return token >= 77 /* FirstReservedWord */ && token <= 112 /* LastReservedWord */; },
- isUnterminated: function () { return (tokenFlags & 4 /* Unterminated */) !== 0; },
- getCommentDirectives: function () { return commentDirectives; },
- getTokenFlags: function () { return tokenFlags; },
- reScanGreaterToken: reScanGreaterToken,
- reScanSlashToken: reScanSlashToken,
- reScanTemplateToken: reScanTemplateToken,
- reScanTemplateHeadOrNoSubstitutionTemplate: reScanTemplateHeadOrNoSubstitutionTemplate,
- scanJsxIdentifier: scanJsxIdentifier,
- scanJsxAttributeValue: scanJsxAttributeValue,
- reScanJsxAttributeValue: reScanJsxAttributeValue,
- reScanJsxToken: reScanJsxToken,
- reScanLessThanToken: reScanLessThanToken,
- reScanQuestionToken: reScanQuestionToken,
- scanJsxToken: scanJsxToken,
- scanJsDocToken: scanJsDocToken,
- scan: scan,
- getText: getText,
- clearCommentDirectives: clearCommentDirectives,
- setText: setText,
- setScriptTarget: setScriptTarget,
- setLanguageVariant: setLanguageVariant,
- setOnError: setOnError,
- setTextPos: setTextPos,
- setInJSDocType: setInJSDocType,
- tryScan: tryScan,
- lookAhead: lookAhead,
- scanRange: scanRange,
- };
- if (ts.Debug.isDebugging) {
- Object.defineProperty(scanner, "__debugShowCurrentPositionInText", {
- get: function () {
- var text = scanner.getText();
- return text.slice(0, scanner.getStartPos()) + "║" + text.slice(scanner.getStartPos());
- },
- });
- }
- return scanner;
- function error(message, errPos, length) {
- if (errPos === void 0) { errPos = pos; }
- if (onError) {
- var oldPos = pos;
- pos = errPos;
- onError(message, length || 0);
- pos = oldPos;
- }
- }
- function scanNumberFragment() {
- var start = pos;
- var allowSeparator = false;
- var isPreviousTokenSeparator = false;
- var result = "";
- while (true) {
- var ch = text.charCodeAt(pos);
- if (ch === 95 /* _ */) {
- tokenFlags |= 512 /* ContainsSeparator */;
- if (allowSeparator) {
- allowSeparator = false;
- isPreviousTokenSeparator = true;
- result += text.substring(start, pos);
- }
- else if (isPreviousTokenSeparator) {
- error(ts.Diagnostics.Multiple_consecutive_numeric_separators_are_not_permitted, pos, 1);
- }
- else {
- error(ts.Diagnostics.Numeric_separators_are_not_allowed_here, pos, 1);
- }
- pos++;
- start = pos;
- continue;
- }
- if (isDigit(ch)) {
- allowSeparator = true;
- isPreviousTokenSeparator = false;
- pos++;
- continue;
- }
- break;
- }
- if (text.charCodeAt(pos - 1) === 95 /* _ */) {
- error(ts.Diagnostics.Numeric_separators_are_not_allowed_here, pos - 1, 1);
- }
- return result + text.substring(start, pos);
- }
- function scanNumber() {
- var start = pos;
- var mainFragment = scanNumberFragment();
- var decimalFragment;
- var scientificFragment;
- if (text.charCodeAt(pos) === 46 /* dot */) {
- pos++;
- decimalFragment = scanNumberFragment();
- }
- var end = pos;
- if (text.charCodeAt(pos) === 69 /* E */ || text.charCodeAt(pos) === 101 /* e */) {
- pos++;
- tokenFlags |= 16 /* Scientific */;
- if (text.charCodeAt(pos) === 43 /* plus */ || text.charCodeAt(pos) === 45 /* minus */)
- pos++;
- var preNumericPart = pos;
- var finalFragment = scanNumberFragment();
- if (!finalFragment) {
- error(ts.Diagnostics.Digit_expected);
- }
- else {
- scientificFragment = text.substring(end, preNumericPart) + finalFragment;
- end = pos;
- }
- }
- var result;
- if (tokenFlags & 512 /* ContainsSeparator */) {
- result = mainFragment;
- if (decimalFragment) {
- result += "." + decimalFragment;
- }
- if (scientificFragment) {
- result += scientificFragment;
- }
- }
- else {
- result = text.substring(start, end); // No need to use all the fragments; no _ removal needed
- }
- if (decimalFragment !== undefined || tokenFlags & 16 /* Scientific */) {
- checkForIdentifierStartAfterNumericLiteral(start, decimalFragment === undefined && !!(tokenFlags & 16 /* Scientific */));
- return {
- type: 8 /* NumericLiteral */,
- value: "" + +result // if value is not an integer, it can be safely coerced to a number
- };
- }
- else {
- tokenValue = result;
- var type = checkBigIntSuffix(); // if value is an integer, check whether it is a bigint
- checkForIdentifierStartAfterNumericLiteral(start);
- return { type: type, value: tokenValue };
- }
- }
- function checkForIdentifierStartAfterNumericLiteral(numericStart, isScientific) {
- if (!isIdentifierStart(codePointAt(text, pos), languageVersion)) {
- return;
- }
- var identifierStart = pos;
- var length = scanIdentifierParts().length;
- if (length === 1 && text[identifierStart] === "n") {
- if (isScientific) {
- error(ts.Diagnostics.A_bigint_literal_cannot_use_exponential_notation, numericStart, identifierStart - numericStart + 1);
- }
- else {
- error(ts.Diagnostics.A_bigint_literal_must_be_an_integer, numericStart, identifierStart - numericStart + 1);
- }
- }
- else {
- error(ts.Diagnostics.An_identifier_or_keyword_cannot_immediately_follow_a_numeric_literal, identifierStart, length);
- pos = identifierStart;
- }
- }
- function scanOctalDigits() {
- var start = pos;
- while (isOctalDigit(text.charCodeAt(pos))) {
- pos++;
- }
- return +(text.substring(start, pos));
- }
- /**
- * Scans the given number of hexadecimal digits in the text,
- * returning -1 if the given number is unavailable.
- */
- function scanExactNumberOfHexDigits(count, canHaveSeparators) {
- var valueString = scanHexDigits(/*minCount*/ count, /*scanAsManyAsPossible*/ false, canHaveSeparators);
- return valueString ? parseInt(valueString, 16) : -1;
- }
- /**
- * Scans as many hexadecimal digits as are available in the text,
- * returning "" if the given number of digits was unavailable.
- */
- function scanMinimumNumberOfHexDigits(count, canHaveSeparators) {
- return scanHexDigits(/*minCount*/ count, /*scanAsManyAsPossible*/ true, canHaveSeparators);
- }
- function scanHexDigits(minCount, scanAsManyAsPossible, canHaveSeparators) {
- var valueChars = [];
- var allowSeparator = false;
- var isPreviousTokenSeparator = false;
- while (valueChars.length < minCount || scanAsManyAsPossible) {
- var ch = text.charCodeAt(pos);
- if (canHaveSeparators && ch === 95 /* _ */) {
- tokenFlags |= 512 /* ContainsSeparator */;
- if (allowSeparator) {
- allowSeparator = false;
- isPreviousTokenSeparator = true;
- }
- else if (isPreviousTokenSeparator) {
- error(ts.Diagnostics.Multiple_consecutive_numeric_separators_are_not_permitted, pos, 1);
- }
- else {
- error(ts.Diagnostics.Numeric_separators_are_not_allowed_here, pos, 1);
- }
- pos++;
- continue;
- }
- allowSeparator = canHaveSeparators;
- if (ch >= 65 /* A */ && ch <= 70 /* F */) {
- ch += 97 /* a */ - 65 /* A */; // standardize hex literals to lowercase
- }
- else if (!((ch >= 48 /* _0 */ && ch <= 57 /* _9 */) ||
- (ch >= 97 /* a */ && ch <= 102 /* f */))) {
- break;
- }
- valueChars.push(ch);
- pos++;
- isPreviousTokenSeparator = false;
- }
- if (valueChars.length < minCount) {
- valueChars = [];
- }
- if (text.charCodeAt(pos - 1) === 95 /* _ */) {
- error(ts.Diagnostics.Numeric_separators_are_not_allowed_here, pos - 1, 1);
- }
- return String.fromCharCode.apply(String, valueChars);
- }
- function scanString(jsxAttributeString) {
- if (jsxAttributeString === void 0) { jsxAttributeString = false; }
- var quote = text.charCodeAt(pos);
- pos++;
- var result = "";
- var start = pos;
- while (true) {
- if (pos >= end) {
- result += text.substring(start, pos);
- tokenFlags |= 4 /* Unterminated */;
- error(ts.Diagnostics.Unterminated_string_literal);
- break;
- }
- var ch = text.charCodeAt(pos);
- if (ch === quote) {
- result += text.substring(start, pos);
- pos++;
- break;
- }
- if (ch === 92 /* backslash */ && !jsxAttributeString) {
- result += text.substring(start, pos);
- result += scanEscapeSequence();
- start = pos;
- continue;
- }
- if (isLineBreak(ch) && !jsxAttributeString) {
- result += text.substring(start, pos);
- tokenFlags |= 4 /* Unterminated */;
- error(ts.Diagnostics.Unterminated_string_literal);
- break;
- }
- pos++;
- }
- return result;
- }
- /**
- * Sets the current 'tokenValue' and returns a NoSubstitutionTemplateLiteral or
- * a literal component of a TemplateExpression.
- */
- function scanTemplateAndSetTokenValue(isTaggedTemplate) {
- var startedWithBacktick = text.charCodeAt(pos) === 96 /* backtick */;
- pos++;
- var start = pos;
- var contents = "";
- var resultingToken;
- while (true) {
- if (pos >= end) {
- contents += text.substring(start, pos);
- tokenFlags |= 4 /* Unterminated */;
- error(ts.Diagnostics.Unterminated_template_literal);
- resultingToken = startedWithBacktick ? 14 /* NoSubstitutionTemplateLiteral */ : 17 /* TemplateTail */;
- break;
- }
- var currChar = text.charCodeAt(pos);
- // '`'
- if (currChar === 96 /* backtick */) {
- contents += text.substring(start, pos);
- pos++;
- resultingToken = startedWithBacktick ? 14 /* NoSubstitutionTemplateLiteral */ : 17 /* TemplateTail */;
- break;
- }
- // '${'
- if (currChar === 36 /* $ */ && pos + 1 < end && text.charCodeAt(pos + 1) === 123 /* openBrace */) {
- contents += text.substring(start, pos);
- pos += 2;
- resultingToken = startedWithBacktick ? 15 /* TemplateHead */ : 16 /* TemplateMiddle */;
- break;
- }
- // Escape character
- if (currChar === 92 /* backslash */) {
- contents += text.substring(start, pos);
- contents += scanEscapeSequence(isTaggedTemplate);
- start = pos;
- continue;
- }
- // Speculated ECMAScript 6 Spec 11.8.6.1:
- // <CR><LF> and <CR> LineTerminatorSequences are normalized to <LF> for Template Values
- if (currChar === 13 /* carriageReturn */) {
- contents += text.substring(start, pos);
- pos++;
- if (pos < end && text.charCodeAt(pos) === 10 /* lineFeed */) {
- pos++;
- }
- contents += "\n";
- start = pos;
- continue;
- }
- pos++;
- }
- ts.Debug.assert(resultingToken !== undefined);
- tokenValue = contents;
- return resultingToken;
- }
- function scanEscapeSequence(isTaggedTemplate) {
- var start = pos;
- pos++;
- if (pos >= end) {
- error(ts.Diagnostics.Unexpected_end_of_text);
- return "";
- }
- var ch = text.charCodeAt(pos);
- pos++;
- switch (ch) {
- case 48 /* _0 */:
- // '\01'
- if (isTaggedTemplate && pos < end && isDigit(text.charCodeAt(pos))) {
- pos++;
- tokenFlags |= 2048 /* ContainsInvalidEscape */;
- return text.substring(start, pos);
- }
- return "\0";
- case 98 /* b */:
- return "\b";
- case 116 /* t */:
- return "\t";
- case 110 /* n */:
- return "\n";
- case 118 /* v */:
- return "\v";
- case 102 /* f */:
- return "\f";
- case 114 /* r */:
- return "\r";
- case 39 /* singleQuote */:
- return "\'";
- case 34 /* doubleQuote */:
- return "\"";
- case 117 /* u */:
- if (isTaggedTemplate) {
- // '\u' or '\u0' or '\u00' or '\u000'
- for (var escapePos = pos; escapePos < pos + 4; escapePos++) {
- if (escapePos < end && !isHexDigit(text.charCodeAt(escapePos)) && text.charCodeAt(escapePos) !== 123 /* openBrace */) {
- pos = escapePos;
- tokenFlags |= 2048 /* ContainsInvalidEscape */;
- return text.substring(start, pos);
- }
- }
- }
- // '\u{DDDDDDDD}'
- if (pos < end && text.charCodeAt(pos) === 123 /* openBrace */) {
- pos++;
- // '\u{'
- if (isTaggedTemplate && !isHexDigit(text.charCodeAt(pos))) {
- tokenFlags |= 2048 /* ContainsInvalidEscape */;
- return text.substring(start, pos);
- }
- if (isTaggedTemplate) {
- var savePos = pos;
- var escapedValueString = scanMinimumNumberOfHexDigits(1, /*canHaveSeparators*/ false);
- var escapedValue = escapedValueString ? parseInt(escapedValueString, 16) : -1;
- // '\u{Not Code Point' or '\u{CodePoint'
- if (!isCodePoint(escapedValue) || text.charCodeAt(pos) !== 125 /* closeBrace */) {
- tokenFlags |= 2048 /* ContainsInvalidEscape */;
- return text.substring(start, pos);
- }
- else {
- pos = savePos;
- }
- }
- tokenFlags |= 8 /* ExtendedUnicodeEscape */;
- return scanExtendedUnicodeEscape();
- }
- tokenFlags |= 1024 /* UnicodeEscape */;
- // '\uDDDD'
- return scanHexadecimalEscape(/*numDigits*/ 4);
- case 120 /* x */:
- if (isTaggedTemplate) {
- if (!isHexDigit(text.charCodeAt(pos))) {
- tokenFlags |= 2048 /* ContainsInvalidEscape */;
- return text.substring(start, pos);
- }
- else if (!isHexDigit(text.charCodeAt(pos + 1))) {
- pos++;
- tokenFlags |= 2048 /* ContainsInvalidEscape */;
- return text.substring(start, pos);
- }
- }
- // '\xDD'
- return scanHexadecimalEscape(/*numDigits*/ 2);
- // when encountering a LineContinuation (i.e. a backslash and a line terminator sequence),
- // the line terminator is interpreted to be "the empty code unit sequence".
- case 13 /* carriageReturn */:
- if (pos < end && text.charCodeAt(pos) === 10 /* lineFeed */) {
- pos++;
- }
- // falls through
- case 10 /* lineFeed */:
- case 8232 /* lineSeparator */:
- case 8233 /* paragraphSeparator */:
- return "";
- default:
- return String.fromCharCode(ch);
- }
- }
- function scanHexadecimalEscape(numDigits) {
- var escapedValue = scanExactNumberOfHexDigits(numDigits, /*canHaveSeparators*/ false);
- if (escapedValue >= 0) {
- return String.fromCharCode(escapedValue);
- }
- else {
- error(ts.Diagnostics.Hexadecimal_digit_expected);
- return "";
- }
- }
- function scanExtendedUnicodeEscape() {
- var escapedValueString = scanMinimumNumberOfHexDigits(1, /*canHaveSeparators*/ false);
- var escapedValue = escapedValueString ? parseInt(escapedValueString, 16) : -1;
- var isInvalidExtendedEscape = false;
- // Validate the value of the digit
- if (escapedValue < 0) {
- error(ts.Diagnostics.Hexadecimal_digit_expected);
- isInvalidExtendedEscape = true;
- }
- else if (escapedValue > 0x10FFFF) {
- error(ts.Diagnostics.An_extended_Unicode_escape_value_must_be_between_0x0_and_0x10FFFF_inclusive);
- isInvalidExtendedEscape = true;
- }
- if (pos >= end) {
- error(ts.Diagnostics.Unexpected_end_of_text);
- isInvalidExtendedEscape = true;
- }
- else if (text.charCodeAt(pos) === 125 /* closeBrace */) {
- // Only swallow the following character up if it's a '}'.
- pos++;
- }
- else {
- error(ts.Diagnostics.Unterminated_Unicode_escape_sequence);
- isInvalidExtendedEscape = true;
- }
- if (isInvalidExtendedEscape) {
- return "";
- }
- return utf16EncodeAsString(escapedValue);
- }
- // Current character is known to be a backslash. Check for Unicode escape of the form '\uXXXX'
- // and return code point value if valid Unicode escape is found. Otherwise return -1.
- function peekUnicodeEscape() {
- if (pos + 5 < end && text.charCodeAt(pos + 1) === 117 /* u */) {
- var start_1 = pos;
- pos += 2;
- var value = scanExactNumberOfHexDigits(4, /*canHaveSeparators*/ false);
- pos = start_1;
- return value;
- }
- return -1;
- }
- function peekExtendedUnicodeEscape() {
- if (languageVersion >= 2 /* ES2015 */ && codePointAt(text, pos + 1) === 117 /* u */ && codePointAt(text, pos + 2) === 123 /* openBrace */) {
- var start_2 = pos;
- pos += 3;
- var escapedValueString = scanMinimumNumberOfHexDigits(1, /*canHaveSeparators*/ false);
- var escapedValue = escapedValueString ? parseInt(escapedValueString, 16) : -1;
- pos = start_2;
- return escapedValue;
- }
- return -1;
- }
- function scanIdentifierParts() {
- var result = "";
- var start = pos;
- while (pos < end) {
- var ch = codePointAt(text, pos);
- if (isIdentifierPart(ch, languageVersion)) {
- pos += charSize(ch);
- }
- else if (ch === 92 /* backslash */) {
- ch = peekExtendedUnicodeEscape();
- if (ch >= 0 && isIdentifierPart(ch, languageVersion)) {
- pos += 3;
- tokenFlags |= 8 /* ExtendedUnicodeEscape */;
- result += scanExtendedUnicodeEscape();
- start = pos;
- continue;
- }
- ch = peekUnicodeEscape();
- if (!(ch >= 0 && isIdentifierPart(ch, languageVersion))) {
- break;
- }
- tokenFlags |= 1024 /* UnicodeEscape */;
- result += text.substring(start, pos);
- result += utf16EncodeAsString(ch);
- // Valid Unicode escape is always six characters
- pos += 6;
- start = pos;
- }
- else {
- break;
- }
- }
- result += text.substring(start, pos);
- return result;
- }
- function getIdentifierToken() {
- // Reserved words are between 2 and 11 characters long and start with a lowercase letter
- var len = tokenValue.length;
- if (len >= 2 && len <= 11) {
- var ch = tokenValue.charCodeAt(0);
- if (ch >= 97 /* a */ && ch <= 122 /* z */) {
- var keyword = textToKeyword.get(tokenValue);
- if (keyword !== undefined) {
- return token = keyword;
- }
- }
- }
- return token = 75 /* Identifier */;
- }
- function scanBinaryOrOctalDigits(base) {
- var value = "";
- // For counting number of digits; Valid binaryIntegerLiteral must have at least one binary digit following B or b.
- // Similarly valid octalIntegerLiteral must have at least one octal digit following o or O.
- var separatorAllowed = false;
- var isPreviousTokenSeparator = false;
- while (true) {
- var ch = text.charCodeAt(pos);
- // Numeric separators are allowed anywhere within a numeric literal, except not at the beginning, or following another separator
- if (ch === 95 /* _ */) {
- tokenFlags |= 512 /* ContainsSeparator */;
- if (separatorAllowed) {
- separatorAllowed = false;
- isPreviousTokenSeparator = true;
- }
- else if (isPreviousTokenSeparator) {
- error(ts.Diagnostics.Multiple_consecutive_numeric_separators_are_not_permitted, pos, 1);
- }
- else {
- error(ts.Diagnostics.Numeric_separators_are_not_allowed_here, pos, 1);
- }
- pos++;
- continue;
- }
- separatorAllowed = true;
- if (!isDigit(ch) || ch - 48 /* _0 */ >= base) {
- break;
- }
- value += text[pos];
- pos++;
- isPreviousTokenSeparator = false;
- }
- if (text.charCodeAt(pos - 1) === 95 /* _ */) {
- // Literal ends with underscore - not allowed
- error(ts.Diagnostics.Numeric_separators_are_not_allowed_here, pos - 1, 1);
- }
- return value;
- }
- function checkBigIntSuffix() {
- if (text.charCodeAt(pos) === 110 /* n */) {
- tokenValue += "n";
- // Use base 10 instead of base 2 or base 8 for shorter literals
- if (tokenFlags & 384 /* BinaryOrOctalSpecifier */) {
- tokenValue = ts.parsePseudoBigInt(tokenValue) + "n";
- }
- pos++;
- return 9 /* BigIntLiteral */;
- }
- else { // not a bigint, so can convert to number in simplified form
- // Number() may not support 0b or 0o, so use parseInt() instead
- var numericValue = tokenFlags & 128 /* BinarySpecifier */
- ? parseInt(tokenValue.slice(2), 2) // skip "0b"
- : tokenFlags & 256 /* OctalSpecifier */
- ? parseInt(tokenValue.slice(2), 8) // skip "0o"
- : +tokenValue;
- tokenValue = "" + numericValue;
- return 8 /* NumericLiteral */;
- }
- }
- function scan() {
- var _a;
- startPos = pos;
- tokenFlags = 0 /* None */;
- var asteriskSeen = false;
- while (true) {
- tokenPos = pos;
- if (pos >= end) {
- return token = 1 /* EndOfFileToken */;
- }
- var ch = codePointAt(text, pos);
- // Special handling for shebang
- if (ch === 35 /* hash */ && pos === 0 && isShebangTrivia(text, pos)) {
- pos = scanShebangTrivia(text, pos);
- if (skipTrivia) {
- continue;
- }
- else {
- return token = 6 /* ShebangTrivia */;
- }
- }
- switch (ch) {
- case 10 /* lineFeed */:
- case 13 /* carriageReturn */:
- tokenFlags |= 1 /* PrecedingLineBreak */;
- if (skipTrivia) {
- pos++;
- continue;
- }
- else {
- if (ch === 13 /* carriageReturn */ && pos + 1 < end && text.charCodeAt(pos + 1) === 10 /* lineFeed */) {
- // consume both CR and LF
- pos += 2;
- }
- else {
- pos++;
- }
- return token = 4 /* NewLineTrivia */;
- }
- case 9 /* tab */:
- case 11 /* verticalTab */:
- case 12 /* formFeed */:
- case 32 /* space */:
- case 160 /* nonBreakingSpace */:
- case 5760 /* ogham */:
- case 8192 /* enQuad */:
- case 8193 /* emQuad */:
- case 8194 /* enSpace */:
- case 8195 /* emSpace */:
- case 8196 /* threePerEmSpace */:
- case 8197 /* fourPerEmSpace */:
- case 8198 /* sixPerEmSpace */:
- case 8199 /* figureSpace */:
- case 8200 /* punctuationSpace */:
- case 8201 /* thinSpace */:
- case 8202 /* hairSpace */:
- case 8203 /* zeroWidthSpace */:
- case 8239 /* narrowNoBreakSpace */:
- case 8287 /* mathematicalSpace */:
- case 12288 /* ideographicSpace */:
- case 65279 /* byteOrderMark */:
- if (skipTrivia) {
- pos++;
- continue;
- }
- else {
- while (pos < end && isWhiteSpaceSingleLine(text.charCodeAt(pos))) {
- pos++;
- }
- return token = 5 /* WhitespaceTrivia */;
- }
- case 33 /* exclamation */:
- if (text.charCodeAt(pos + 1) === 61 /* equals */) {
- if (text.charCodeAt(pos + 2) === 61 /* equals */) {
- return pos += 3, token = 37 /* ExclamationEqualsEqualsToken */;
- }
- return pos += 2, token = 35 /* ExclamationEqualsToken */;
- }
- pos++;
- return token = 53 /* ExclamationToken */;
- case 34 /* doubleQuote */:
- case 39 /* singleQuote */:
- tokenValue = scanString();
- return token = 10 /* StringLiteral */;
- case 96 /* backtick */:
- return token = scanTemplateAndSetTokenValue(/* isTaggedTemplate */ false);
- case 37 /* percent */:
- if (text.charCodeAt(pos + 1) === 61 /* equals */) {
- return pos += 2, token = 68 /* PercentEqualsToken */;
- }
- pos++;
- return token = 44 /* PercentToken */;
- case 38 /* ampersand */:
- if (text.charCodeAt(pos + 1) === 38 /* ampersand */) {
- return pos += 2, token = 55 /* AmpersandAmpersandToken */;
- }
- if (text.charCodeAt(pos + 1) === 61 /* equals */) {
- return pos += 2, token = 72 /* AmpersandEqualsToken */;
- }
- pos++;
- return token = 50 /* AmpersandToken */;
- case 40 /* openParen */:
- pos++;
- return token = 20 /* OpenParenToken */;
- case 41 /* closeParen */:
- pos++;
- return token = 21 /* CloseParenToken */;
- case 42 /* asterisk */:
- if (text.charCodeAt(pos + 1) === 61 /* equals */) {
- return pos += 2, token = 65 /* AsteriskEqualsToken */;
- }
- if (text.charCodeAt(pos + 1) === 42 /* asterisk */) {
- if (text.charCodeAt(pos + 2) === 61 /* equals */) {
- return pos += 3, token = 66 /* AsteriskAsteriskEqualsToken */;
- }
- return pos += 2, token = 42 /* AsteriskAsteriskToken */;
- }
- pos++;
- if (inJSDocType && !asteriskSeen && (tokenFlags & 1 /* PrecedingLineBreak */)) {
- // decoration at the start of a JSDoc comment line
- asteriskSeen = true;
- continue;
- }
- return token = 41 /* AsteriskToken */;
- case 43 /* plus */:
- if (text.charCodeAt(pos + 1) === 43 /* plus */) {
- return pos += 2, token = 45 /* PlusPlusToken */;
- }
- if (text.charCodeAt(pos + 1) === 61 /* equals */) {
- return pos += 2, token = 63 /* PlusEqualsToken */;
- }
- pos++;
- return token = 39 /* PlusToken */;
- case 44 /* comma */:
- pos++;
- return token = 27 /* CommaToken */;
- case 45 /* minus */:
- if (text.charCodeAt(pos + 1) === 45 /* minus */) {
- return pos += 2, token = 46 /* MinusMinusToken */;
- }
- if (text.charCodeAt(pos + 1) === 61 /* equals */) {
- return pos += 2, token = 64 /* MinusEqualsToken */;
- }
- pos++;
- return token = 40 /* MinusToken */;
- case 46 /* dot */:
- if (isDigit(text.charCodeAt(pos + 1))) {
- tokenValue = scanNumber().value;
- return token = 8 /* NumericLiteral */;
- }
- if (text.charCodeAt(pos + 1) === 46 /* dot */ && text.charCodeAt(pos + 2) === 46 /* dot */) {
- return pos += 3, token = 25 /* DotDotDotToken */;
- }
- pos++;
- return token = 24 /* DotToken */;
- case 47 /* slash */:
- // Single-line comment
- if (text.charCodeAt(pos + 1) === 47 /* slash */) {
- pos += 2;
- while (pos < end) {
- if (isLineBreak(text.charCodeAt(pos))) {
- break;
- }
- pos++;
- }
- commentDirectives = appendIfCommentDirective(commentDirectives, text.slice(tokenPos, pos), commentDirectiveRegExSingleLine, tokenPos);
- if (skipTrivia) {
- continue;
- }
- else {
- return token = 2 /* SingleLineCommentTrivia */;
- }
- }
- // Multi-line comment
- if (text.charCodeAt(pos + 1) === 42 /* asterisk */) {
- pos += 2;
- if (text.charCodeAt(pos) === 42 /* asterisk */ && text.charCodeAt(pos + 1) !== 47 /* slash */) {
- tokenFlags |= 2 /* PrecedingJSDocComment */;
- }
- var commentClosed = false;
- var lastLineStart = tokenPos;
- while (pos < end) {
- var ch_1 = text.charCodeAt(pos);
- if (ch_1 === 42 /* asterisk */ && text.charCodeAt(pos + 1) === 47 /* slash */) {
- pos += 2;
- commentClosed = true;
- break;
- }
- pos++;
- if (isLineBreak(ch_1)) {
- lastLineStart = pos;
- tokenFlags |= 1 /* PrecedingLineBreak */;
- }
- }
- commentDirectives = appendIfCommentDirective(commentDirectives, text.slice(lastLineStart, pos), commentDirectiveRegExMultiLine, lastLineStart);
- if (!commentClosed) {
- error(ts.Diagnostics.Asterisk_Slash_expected);
- }
- if (skipTrivia) {
- continue;
- }
- else {
- if (!commentClosed) {
- tokenFlags |= 4 /* Unterminated */;
- }
- return token = 3 /* MultiLineCommentTrivia */;
- }
- }
- if (text.charCodeAt(pos + 1) === 61 /* equals */) {
- return pos += 2, token = 67 /* SlashEqualsToken */;
- }
- pos++;
- return token = 43 /* SlashToken */;
- case 48 /* _0 */:
- if (pos + 2 < end && (text.charCodeAt(pos + 1) === 88 /* X */ || text.charCodeAt(pos + 1) === 120 /* x */)) {
- pos += 2;
- tokenValue = scanMinimumNumberOfHexDigits(1, /*canHaveSeparators*/ true);
- if (!tokenValue) {
- error(ts.Diagnostics.Hexadecimal_digit_expected);
- tokenValue = "0";
- }
- tokenValue = "0x" + tokenValue;
- tokenFlags |= 64 /* HexSpecifier */;
- return token = checkBigIntSuffix();
- }
- else if (pos + 2 < end && (text.charCodeAt(pos + 1) === 66 /* B */ || text.charCodeAt(pos + 1) === 98 /* b */)) {
- pos += 2;
- tokenValue = scanBinaryOrOctalDigits(/* base */ 2);
- if (!tokenValue) {
- error(ts.Diagnostics.Binary_digit_expected);
- tokenValue = "0";
- }
- tokenValue = "0b" + tokenValue;
- tokenFlags |= 128 /* BinarySpecifier */;
- return token = checkBigIntSuffix();
- }
- else if (pos + 2 < end && (text.charCodeAt(pos + 1) === 79 /* O */ || text.charCodeAt(pos + 1) === 111 /* o */)) {
- pos += 2;
- tokenValue = scanBinaryOrOctalDigits(/* base */ 8);
- if (!tokenValue) {
- error(ts.Diagnostics.Octal_digit_expected);
- tokenValue = "0";
- }
- tokenValue = "0o" + tokenValue;
- tokenFlags |= 256 /* OctalSpecifier */;
- return token = checkBigIntSuffix();
- }
- // Try to parse as an octal
- if (pos + 1 < end && isOctalDigit(text.charCodeAt(pos + 1))) {
- tokenValue = "" + scanOctalDigits();
- tokenFlags |= 32 /* Octal */;
- return token = 8 /* NumericLiteral */;
- }
- // This fall-through is a deviation from the EcmaScript grammar. The grammar says that a leading zero
- // can only be followed by an octal digit, a dot, or the end of the number literal. However, we are being
- // permissive and allowing decimal digits of the form 08* and 09* (which many browsers also do).
- // falls through
- case 49 /* _1 */:
- case 50 /* _2 */:
- case 51 /* _3 */:
- case 52 /* _4 */:
- case 53 /* _5 */:
- case 54 /* _6 */:
- case 55 /* _7 */:
- case 56 /* _8 */:
- case 57 /* _9 */:
- (_a = scanNumber(), token = _a.type, tokenValue = _a.value);
- return token;
- case 58 /* colon */:
- pos++;
- return token = 58 /* ColonToken */;
- case 59 /* semicolon */:
- pos++;
- return token = 26 /* SemicolonToken */;
- case 60 /* lessThan */:
- if (isConflictMarkerTrivia(text, pos)) {
- pos = scanConflictMarkerTrivia(text, pos, error);
- if (skipTrivia) {
- continue;
- }
- else {
- return token = 7 /* ConflictMarkerTrivia */;
- }
- }
- if (text.charCodeAt(pos + 1) === 60 /* lessThan */) {
- if (text.charCodeAt(pos + 2) === 61 /* equals */) {
- return pos += 3, token = 69 /* LessThanLessThanEqualsToken */;
- }
- return pos += 2, token = 47 /* LessThanLessThanToken */;
- }
- if (text.charCodeAt(pos + 1) === 61 /* equals */) {
- return pos += 2, token = 32 /* LessThanEqualsToken */;
- }
- if (languageVariant === 1 /* JSX */ &&
- text.charCodeAt(pos + 1) === 47 /* slash */ &&
- text.charCodeAt(pos + 2) !== 42 /* asterisk */) {
- return pos += 2, token = 30 /* LessThanSlashToken */;
- }
- pos++;
- return token = 29 /* LessThanToken */;
- case 61 /* equals */:
- if (isConflictMarkerTrivia(text, pos)) {
- pos = scanConflictMarkerTrivia(text, pos, error);
- if (skipTrivia) {
- continue;
- }
- else {
- return token = 7 /* ConflictMarkerTrivia */;
- }
- }
- if (text.charCodeAt(pos + 1) === 61 /* equals */) {
- if (text.charCodeAt(pos + 2) === 61 /* equals */) {
- return pos += 3, token = 36 /* EqualsEqualsEqualsToken */;
- }
- return pos += 2, token = 34 /* EqualsEqualsToken */;
- }
- if (text.charCodeAt(pos + 1) === 62 /* greaterThan */) {
- return pos += 2, token = 38 /* EqualsGreaterThanToken */;
- }
- pos++;
- return token = 62 /* EqualsToken */;
- case 62 /* greaterThan */:
- if (isConflictMarkerTrivia(text, pos)) {
- pos = scanConflictMarkerTrivia(text, pos, error);
- if (skipTrivia) {
- continue;
- }
- else {
- return token = 7 /* ConflictMarkerTrivia */;
- }
- }
- pos++;
- return token = 31 /* GreaterThanToken */;
- case 63 /* question */:
- pos++;
- if (text.charCodeAt(pos) === 46 /* dot */ && !isDigit(text.charCodeAt(pos + 1))) {
- pos++;
- return token = 28 /* QuestionDotToken */;
- }
- if (text.charCodeAt(pos) === 63 /* question */) {
- pos++;
- return token = 60 /* QuestionQuestionToken */;
- }
- return token = 57 /* QuestionToken */;
- case 91 /* openBracket */:
- pos++;
- return token = 22 /* OpenBracketToken */;
- case 93 /* closeBracket */:
- pos++;
- return token = 23 /* CloseBracketToken */;
- case 94 /* caret */:
- if (text.charCodeAt(pos + 1) === 61 /* equals */) {
- return pos += 2, token = 74 /* CaretEqualsToken */;
- }
- pos++;
- return token = 52 /* CaretToken */;
- case 123 /* openBrace */:
- pos++;
- return token = 18 /* OpenBraceToken */;
- case 124 /* bar */:
- if (isConflictMarkerTrivia(text, pos)) {
- pos = scanConflictMarkerTrivia(text, pos, error);
- if (skipTrivia) {
- continue;
- }
- else {
- return token = 7 /* ConflictMarkerTrivia */;
- }
- }
- if (text.charCodeAt(pos + 1) === 124 /* bar */) {
- return pos += 2, token = 56 /* BarBarToken */;
- }
- if (text.charCodeAt(pos + 1) === 61 /* equals */) {
- return pos += 2, token = 73 /* BarEqualsToken */;
- }
- pos++;
- return token = 51 /* BarToken */;
- case 125 /* closeBrace */:
- pos++;
- return token = 19 /* CloseBraceToken */;
- case 126 /* tilde */:
- pos++;
- return token = 54 /* TildeToken */;
- case 64 /* at */:
- pos++;
- return token = 59 /* AtToken */;
- case 92 /* backslash */:
- var extendedCookedChar = peekExtendedUnicodeEscape();
- if (extendedCookedChar >= 0 && isIdentifierStart(extendedCookedChar, languageVersion)) {
- pos += 3;
- tokenFlags |= 8 /* ExtendedUnicodeEscape */;
- tokenValue = scanExtendedUnicodeEscape() + scanIdentifierParts();
- return token = getIdentifierToken();
- }
- var cookedChar = peekUnicodeEscape();
- if (cookedChar >= 0 && isIdentifierStart(cookedChar, languageVersion)) {
- pos += 6;
- tokenFlags |= 1024 /* UnicodeEscape */;
- tokenValue = String.fromCharCode(cookedChar) + scanIdentifierParts();
- return token = getIdentifierToken();
- }
- error(ts.Diagnostics.Invalid_character);
- pos++;
- return token = 0 /* Unknown */;
- case 35 /* hash */:
- if (pos !== 0 && text[pos + 1] === "!") {
- error(ts.Diagnostics.can_only_be_used_at_the_start_of_a_file);
- pos++;
- return token = 0 /* Unknown */;
- }
- pos++;
- if (isIdentifierStart(ch = text.charCodeAt(pos), languageVersion)) {
- pos++;
- while (pos < end && isIdentifierPart(ch = text.charCodeAt(pos), languageVersion))
- pos++;
- tokenValue = text.substring(tokenPos, pos);
- if (ch === 92 /* backslash */) {
- tokenValue += scanIdentifierParts();
- }
- }
- else {
- tokenValue = "#";
- error(ts.Diagnostics.Invalid_character);
- }
- return token = 76 /* PrivateIdentifier */;
- default:
- if (isIdentifierStart(ch, languageVersion)) {
- pos += charSize(ch);
- while (pos < end && isIdentifierPart(ch = codePointAt(text, pos), languageVersion))
- pos += charSize(ch);
- tokenValue = text.substring(tokenPos, pos);
- if (ch === 92 /* backslash */) {
- tokenValue += scanIdentifierParts();
- }
- return token = getIdentifierToken();
- }
- else if (isWhiteSpaceSingleLine(ch)) {
- pos += charSize(ch);
- continue;
- }
- else if (isLineBreak(ch)) {
- tokenFlags |= 1 /* PrecedingLineBreak */;
- pos += charSize(ch);
- continue;
- }
- error(ts.Diagnostics.Invalid_character);
- pos += charSize(ch);
- return token = 0 /* Unknown */;
- }
- }
- }
- function reScanGreaterToken() {
- if (token === 31 /* GreaterThanToken */) {
- if (text.charCodeAt(pos) === 62 /* greaterThan */) {
- if (text.charCodeAt(pos + 1) === 62 /* greaterThan */) {
- if (text.charCodeAt(pos + 2) === 61 /* equals */) {
- return pos += 3, token = 71 /* GreaterThanGreaterThanGreaterThanEqualsToken */;
- }
- return pos += 2, token = 49 /* GreaterThanGreaterThanGreaterThanToken */;
- }
- if (text.charCodeAt(pos + 1) === 61 /* equals */) {
- return pos += 2, token = 70 /* GreaterThanGreaterThanEqualsToken */;
- }
- pos++;
- return token = 48 /* GreaterThanGreaterThanToken */;
- }
- if (text.charCodeAt(pos) === 61 /* equals */) {
- pos++;
- return token = 33 /* GreaterThanEqualsToken */;
- }
- }
- return token;
- }
- function reScanSlashToken() {
- if (token === 43 /* SlashToken */ || token === 67 /* SlashEqualsToken */) {
- var p = tokenPos + 1;
- var inEscape = false;
- var inCharacterClass = false;
- while (true) {
- // If we reach the end of a file, or hit a newline, then this is an unterminated
- // regex. Report error and return what we have so far.
- if (p >= end) {
- tokenFlags |= 4 /* Unterminated */;
- error(ts.Diagnostics.Unterminated_regular_expression_literal);
- break;
- }
- var ch = text.charCodeAt(p);
- if (isLineBreak(ch)) {
- tokenFlags |= 4 /* Unterminated */;
- error(ts.Diagnostics.Unterminated_regular_expression_literal);
- break;
- }
- if (inEscape) {
- // Parsing an escape character;
- // reset the flag and just advance to the next char.
- inEscape = false;
- }
- else if (ch === 47 /* slash */ && !inCharacterClass) {
- // A slash within a character class is permissible,
- // but in general it signals the end of the regexp literal.
- p++;
- break;
- }
- else if (ch === 91 /* openBracket */) {
- inCharacterClass = true;
- }
- else if (ch === 92 /* backslash */) {
- inEscape = true;
- }
- else if (ch === 93 /* closeBracket */) {
- inCharacterClass = false;
- }
- p++;
- }
- while (p < end && isIdentifierPart(text.charCodeAt(p), languageVersion)) {
- p++;
- }
- pos = p;
- tokenValue = text.substring(tokenPos, pos);
- token = 13 /* RegularExpressionLiteral */;
- }
- return token;
- }
- function appendIfCommentDirective(commentDirectives, text, commentDirectiveRegEx, lineStart) {
- var type = getDirectiveFromComment(text, commentDirectiveRegEx);
- if (type === undefined) {
- return commentDirectives;
- }
- return ts.append(commentDirectives, {
- range: { pos: lineStart, end: pos },
- type: type,
- });
- }
- function getDirectiveFromComment(text, commentDirectiveRegEx) {
- var match = commentDirectiveRegEx.exec(text);
- if (!match) {
- return undefined;
- }
- switch (match[1]) {
- case "ts-expect-error":
- return 0 /* ExpectError */;
- case "ts-ignore":
- return 1 /* Ignore */;
- }
- return undefined;
- }
- /**
- * Unconditionally back up and scan a template expression portion.
- */
- function reScanTemplateToken(isTaggedTemplate) {
- ts.Debug.assert(token === 19 /* CloseBraceToken */, "'reScanTemplateToken' should only be called on a '}'");
- pos = tokenPos;
- return token = scanTemplateAndSetTokenValue(isTaggedTemplate);
- }
- function reScanTemplateHeadOrNoSubstitutionTemplate() {
- pos = tokenPos;
- return token = scanTemplateAndSetTokenValue(/* isTaggedTemplate */ true);
- }
- function reScanJsxToken() {
- pos = tokenPos = startPos;
- return token = scanJsxToken();
- }
- function reScanLessThanToken() {
- if (token === 47 /* LessThanLessThanToken */) {
- pos = tokenPos + 1;
- return token = 29 /* LessThanToken */;
- }
- return token;
- }
- function reScanQuestionToken() {
- ts.Debug.assert(token === 60 /* QuestionQuestionToken */, "'reScanQuestionToken' should only be called on a '??'");
- pos = tokenPos + 1;
- return token = 57 /* QuestionToken */;
- }
- function scanJsxToken() {
- startPos = tokenPos = pos;
- if (pos >= end) {
- return token = 1 /* EndOfFileToken */;
- }
- var char = text.charCodeAt(pos);
- if (char === 60 /* lessThan */) {
- if (text.charCodeAt(pos + 1) === 47 /* slash */) {
- pos += 2;
- return token = 30 /* LessThanSlashToken */;
- }
- pos++;
- return token = 29 /* LessThanToken */;
- }
- if (char === 123 /* openBrace */) {
- pos++;
- return token = 18 /* OpenBraceToken */;
- }
- // First non-whitespace character on this line.
- var firstNonWhitespace = 0;
- var lastNonWhitespace = -1;
- // These initial values are special because the first line is:
- // firstNonWhitespace = 0 to indicate that we want leading whitespace,
- while (pos < end) {
- // We want to keep track of the last non-whitespace (but including
- // newlines character for hitting the end of the JSX Text region)
- if (!isWhiteSpaceSingleLine(char)) {
- lastNonWhitespace = pos;
- }
- char = text.charCodeAt(pos);
- if (char === 123 /* openBrace */) {
- break;
- }
- if (char === 60 /* lessThan */) {
- if (isConflictMarkerTrivia(text, pos)) {
- pos = scanConflictMarkerTrivia(text, pos, error);
- return token = 7 /* ConflictMarkerTrivia */;
- }
- break;
- }
- if (char === 62 /* greaterThan */) {
- error(ts.Diagnostics.Unexpected_token_Did_you_mean_or_gt, pos, 1);
- }
- if (char === 125 /* closeBrace */) {
- error(ts.Diagnostics.Unexpected_token_Did_you_mean_or_rbrace, pos, 1);
- }
- if (lastNonWhitespace > 0)
- lastNonWhitespace++;
- // FirstNonWhitespace is 0, then we only see whitespaces so far. If we see a linebreak, we want to ignore that whitespaces.
- // i.e (- : whitespace)
- // <div>----
- // </div> becomes <div></div>
- //
- // <div>----</div> becomes <div>----</div>
- if (isLineBreak(char) && firstNonWhitespace === 0) {
- firstNonWhitespace = -1;
- }
- else if (!isWhiteSpaceLike(char)) {
- firstNonWhitespace = pos;
- }
- pos++;
- }
- var endPosition = lastNonWhitespace === -1 ? pos : lastNonWhitespace;
- tokenValue = text.substring(startPos, endPosition);
- return firstNonWhitespace === -1 ? 12 /* JsxTextAllWhiteSpaces */ : 11 /* JsxText */;
- }
- // Scans a JSX identifier; these differ from normal identifiers in that
- // they allow dashes
- function scanJsxIdentifier() {
- if (tokenIsIdentifierOrKeyword(token)) {
- // An identifier or keyword has already been parsed - check for a `-` and then append it and everything after it to the token
- // Do note that this means that `scanJsxIdentifier` effectively _mutates_ the visible token without advancing to a new token
- // Any caller should be expecting this behavior and should only read the pos or token value after calling it.
- while (pos < end) {
- var ch = text.charCodeAt(pos);
- if (ch === 45 /* minus */) {
- tokenValue += "-";
- pos++;
- continue;
- }
- var oldPos = pos;
- tokenValue += scanIdentifierParts(); // reuse `scanIdentifierParts` so unicode escapes are handled
- if (pos === oldPos) {
- break;
- }
- }
- }
- return token;
- }
- function scanJsxAttributeValue() {
- startPos = pos;
- switch (text.charCodeAt(pos)) {
- case 34 /* doubleQuote */:
- case 39 /* singleQuote */:
- tokenValue = scanString(/*jsxAttributeString*/ true);
- return token = 10 /* StringLiteral */;
- default:
- // If this scans anything other than `{`, it's a parse error.
- return scan();
- }
- }
- function reScanJsxAttributeValue() {
- pos = tokenPos = startPos;
- return scanJsxAttributeValue();
- }
- function scanJsDocToken() {
- startPos = tokenPos = pos;
- tokenFlags = 0 /* None */;
- if (pos >= end) {
- return token = 1 /* EndOfFileToken */;
- }
- var ch = codePointAt(text, pos);
- pos += charSize(ch);
- switch (ch) {
- case 9 /* tab */:
- case 11 /* verticalTab */:
- case 12 /* formFeed */:
- case 32 /* space */:
- while (pos < end && isWhiteSpaceSingleLine(text.charCodeAt(pos))) {
- pos++;
- }
- return token = 5 /* WhitespaceTrivia */;
- case 64 /* at */:
- return token = 59 /* AtToken */;
- case 10 /* lineFeed */:
- case 13 /* carriageReturn */:
- tokenFlags |= 1 /* PrecedingLineBreak */;
- return token = 4 /* NewLineTrivia */;
- case 42 /* asterisk */:
- return token = 41 /* AsteriskToken */;
- case 123 /* openBrace */:
- return token = 18 /* OpenBraceToken */;
- case 125 /* closeBrace */:
- return token = 19 /* CloseBraceToken */;
- case 91 /* openBracket */:
- return token = 22 /* OpenBracketToken */;
- case 93 /* closeBracket */:
- return token = 23 /* CloseBracketToken */;
- case 60 /* lessThan */:
- return token = 29 /* LessThanToken */;
- case 62 /* greaterThan */:
- return token = 31 /* GreaterThanToken */;
- case 61 /* equals */:
- return token = 62 /* EqualsToken */;
- case 44 /* comma */:
- return token = 27 /* CommaToken */;
- case 46 /* dot */:
- return token = 24 /* DotToken */;
- case 96 /* backtick */:
- return token = 61 /* BacktickToken */;
- case 92 /* backslash */:
- pos--;
- var extendedCookedChar = peekExtendedUnicodeEscape();
- if (extendedCookedChar >= 0 && isIdentifierStart(extendedCookedChar, languageVersion)) {
- pos += 3;
- tokenFlags |= 8 /* ExtendedUnicodeEscape */;
- tokenValue = scanExtendedUnicodeEscape() + scanIdentifierParts();
- return token = getIdentifierToken();
- }
- var cookedChar = peekUnicodeEscape();
- if (cookedChar >= 0 && isIdentifierStart(cookedChar, languageVersion)) {
- pos += 6;
- tokenFlags |= 1024 /* UnicodeEscape */;
- tokenValue = String.fromCharCode(cookedChar) + scanIdentifierParts();
- return token = getIdentifierToken();
- }
- pos++;
- return token = 0 /* Unknown */;
- }
- if (isIdentifierStart(ch, languageVersion)) {
- var char = ch;
- while (pos < end && isIdentifierPart(char = codePointAt(text, pos), languageVersion) || text.charCodeAt(pos) === 45 /* minus */)
- pos += charSize(char);
- tokenValue = text.substring(tokenPos, pos);
- if (char === 92 /* backslash */) {
- tokenValue += scanIdentifierParts();
- }
- return token = getIdentifierToken();
- }
- else {
- return token = 0 /* Unknown */;
- }
- }
- function speculationHelper(callback, isLookahead) {
- var savePos = pos;
- var saveStartPos = startPos;
- var saveTokenPos = tokenPos;
- var saveToken = token;
- var saveTokenValue = tokenValue;
- var saveTokenFlags = tokenFlags;
- var result = callback();
- // If our callback returned something 'falsy' or we're just looking ahead,
- // then unconditionally restore us to where we were.
- if (!result || isLookahead) {
- pos = savePos;
- startPos = saveStartPos;
- tokenPos = saveTokenPos;
- token = saveToken;
- tokenValue = saveTokenValue;
- tokenFlags = saveTokenFlags;
- }
- return result;
- }
- function scanRange(start, length, callback) {
- var saveEnd = end;
- var savePos = pos;
- var saveStartPos = startPos;
- var saveTokenPos = tokenPos;
- var saveToken = token;
- var saveTokenValue = tokenValue;
- var saveTokenFlags = tokenFlags;
- var saveErrorExpectations = commentDirectives;
- setText(text, start, length);
- var result = callback();
- end = saveEnd;
- pos = savePos;
- startPos = saveStartPos;
- tokenPos = saveTokenPos;
- token = saveToken;
- tokenValue = saveTokenValue;
- tokenFlags = saveTokenFlags;
- commentDirectives = saveErrorExpectations;
- return result;
- }
- function lookAhead(callback) {
- return speculationHelper(callback, /*isLookahead*/ true);
- }
- function tryScan(callback) {
- return speculationHelper(callback, /*isLookahead*/ false);
- }
- function getText() {
- return text;
- }
- function clearCommentDirectives() {
- commentDirectives = undefined;
- }
- function setText(newText, start, length) {
- text = newText || "";
- end = length === undefined ? text.length : start + length;
- setTextPos(start || 0);
- }
- function setOnError(errorCallback) {
- onError = errorCallback;
- }
- function setScriptTarget(scriptTarget) {
- languageVersion = scriptTarget;
- }
- function setLanguageVariant(variant) {
- languageVariant = variant;
- }
- function setTextPos(textPos) {
- ts.Debug.assert(textPos >= 0);
- pos = textPos;
- startPos = textPos;
- tokenPos = textPos;
- token = 0 /* Unknown */;
- tokenValue = undefined;
- tokenFlags = 0 /* None */;
- }
- function setInJSDocType(inType) {
- inJSDocType += inType ? 1 : -1;
- }
- }
- ts.createScanner = createScanner;
- /* @internal */
- var codePointAt = String.prototype.codePointAt ? function (s, i) { return s.codePointAt(i); } : function codePointAt(str, i) {
- // from https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/codePointAt
- var size = str.length;
- // Account for out-of-bounds indices:
- if (i < 0 || i >= size) {
- return undefined; // String.codePointAt returns `undefined` for OOB indexes
- }
- // Get the first code unit
- var first = str.charCodeAt(i);
- // check if it’s the start of a surrogate pair
- if (first >= 0xD800 && first <= 0xDBFF && size > i + 1) { // high surrogate and there is a next code unit
- var second = str.charCodeAt(i + 1);
- if (second >= 0xDC00 && second <= 0xDFFF) { // low surrogate
- // https://mathiasbynens.be/notes/javascript-encoding#surrogate-formulae
- return (first - 0xD800) * 0x400 + second - 0xDC00 + 0x10000;
- }
- }
- return first;
- };
- /* @internal */
- function charSize(ch) {
- if (ch >= 0x10000) {
- return 2;
- }
- return 1;
- }
- // Derived from the 10.1.1 UTF16Encoding of the ES6 Spec.
- function utf16EncodeAsStringFallback(codePoint) {
- ts.Debug.assert(0x0 <= codePoint && codePoint <= 0x10FFFF);
- if (codePoint <= 65535) {
- return String.fromCharCode(codePoint);
- }
- var codeUnit1 = Math.floor((codePoint - 65536) / 1024) + 0xD800;
- var codeUnit2 = ((codePoint - 65536) % 1024) + 0xDC00;
- return String.fromCharCode(codeUnit1, codeUnit2);
- }
- var utf16EncodeAsStringWorker = String.fromCodePoint ? function (codePoint) { return String.fromCodePoint(codePoint); } : utf16EncodeAsStringFallback;
- /* @internal */
- function utf16EncodeAsString(codePoint) {
- return utf16EncodeAsStringWorker(codePoint);
- }
- ts.utf16EncodeAsString = utf16EncodeAsString;
-})(ts || (ts = {}));
-var ts;
-(function (ts) {
- function isExternalModuleNameRelative(moduleName) {
- // TypeScript 1.0 spec (April 2014): 11.2.1
- // An external module name is "relative" if the first term is "." or "..".
- // Update: We also consider a path like `C:\foo.ts` "relative" because we do not search for it in `node_modules` or treat it as an ambient module.
- return ts.pathIsRelative(moduleName) || ts.isRootedDiskPath(moduleName);
- }
- ts.isExternalModuleNameRelative = isExternalModuleNameRelative;
- function sortAndDeduplicateDiagnostics(diagnostics) {
- return ts.sortAndDeduplicate(diagnostics, ts.compareDiagnostics);
- }
- ts.sortAndDeduplicateDiagnostics = sortAndDeduplicateDiagnostics;
- function getDefaultLibFileName(options) {
- switch (options.target) {
- case 99 /* ESNext */:
- return "lib.esnext.full.d.ts";
- case 7 /* ES2020 */:
- return "lib.es2020.full.d.ts";
- case 6 /* ES2019 */:
- return "lib.es2019.full.d.ts";
- case 5 /* ES2018 */:
- return "lib.es2018.full.d.ts";
- case 4 /* ES2017 */:
- return "lib.es2017.full.d.ts";
- case 3 /* ES2016 */:
- return "lib.es2016.full.d.ts";
- case 2 /* ES2015 */:
- return "lib.es6.d.ts"; // We don't use lib.es2015.full.d.ts due to breaking change.
- default:
- return "lib.d.ts";
- }
- }
- ts.getDefaultLibFileName = getDefaultLibFileName;
- function textSpanEnd(span) {
- return span.start + span.length;
- }
- ts.textSpanEnd = textSpanEnd;
- function textSpanIsEmpty(span) {
- return span.length === 0;
- }
- ts.textSpanIsEmpty = textSpanIsEmpty;
- function textSpanContainsPosition(span, position) {
- return position >= span.start && position < textSpanEnd(span);
- }
- ts.textSpanContainsPosition = textSpanContainsPosition;
- /* @internal */
- function textRangeContainsPositionInclusive(span, position) {
- return position >= span.pos && position <= span.end;
- }
- ts.textRangeContainsPositionInclusive = textRangeContainsPositionInclusive;
- // Returns true if 'span' contains 'other'.
- function textSpanContainsTextSpan(span, other) {
- return other.start >= span.start && textSpanEnd(other) <= textSpanEnd(span);
- }
- ts.textSpanContainsTextSpan = textSpanContainsTextSpan;
- function textSpanOverlapsWith(span, other) {
- return textSpanOverlap(span, other) !== undefined;
- }
- ts.textSpanOverlapsWith = textSpanOverlapsWith;
- function textSpanOverlap(span1, span2) {
- var overlap = textSpanIntersection(span1, span2);
- return overlap && overlap.length === 0 ? undefined : overlap;
- }
- ts.textSpanOverlap = textSpanOverlap;
- function textSpanIntersectsWithTextSpan(span, other) {
- return decodedTextSpanIntersectsWith(span.start, span.length, other.start, other.length);
- }
- ts.textSpanIntersectsWithTextSpan = textSpanIntersectsWithTextSpan;
- function textSpanIntersectsWith(span, start, length) {
- return decodedTextSpanIntersectsWith(span.start, span.length, start, length);
- }
- ts.textSpanIntersectsWith = textSpanIntersectsWith;
- function decodedTextSpanIntersectsWith(start1, length1, start2, length2) {
- var end1 = start1 + length1;
- var end2 = start2 + length2;
- return start2 <= end1 && end2 >= start1;
- }
- ts.decodedTextSpanIntersectsWith = decodedTextSpanIntersectsWith;
- function textSpanIntersectsWithPosition(span, position) {
- return position <= textSpanEnd(span) && position >= span.start;
- }
- ts.textSpanIntersectsWithPosition = textSpanIntersectsWithPosition;
- function textSpanIntersection(span1, span2) {
- var start = Math.max(span1.start, span2.start);
- var end = Math.min(textSpanEnd(span1), textSpanEnd(span2));
- return start <= end ? createTextSpanFromBounds(start, end) : undefined;
- }
- ts.textSpanIntersection = textSpanIntersection;
- function createTextSpan(start, length) {
- if (start < 0) {
- throw new Error("start < 0");
- }
- if (length < 0) {
- throw new Error("length < 0");
- }
- return { start: start, length: length };
- }
- ts.createTextSpan = createTextSpan;
- function createTextSpanFromBounds(start, end) {
- return createTextSpan(start, end - start);
- }
- ts.createTextSpanFromBounds = createTextSpanFromBounds;
- function textChangeRangeNewSpan(range) {
- return createTextSpan(range.span.start, range.newLength);
- }
- ts.textChangeRangeNewSpan = textChangeRangeNewSpan;
- function textChangeRangeIsUnchanged(range) {
- return textSpanIsEmpty(range.span) && range.newLength === 0;
- }
- ts.textChangeRangeIsUnchanged = textChangeRangeIsUnchanged;
- function createTextChangeRange(span, newLength) {
- if (newLength < 0) {
- throw new Error("newLength < 0");
- }
- return { span: span, newLength: newLength };
- }
- ts.createTextChangeRange = createTextChangeRange;
- ts.unchangedTextChangeRange = createTextChangeRange(createTextSpan(0, 0), 0); // eslint-disable-line prefer-const
- /**
- * Called to merge all the changes that occurred across several versions of a script snapshot
- * into a single change. i.e. if a user keeps making successive edits to a script we will
- * have a text change from V1 to V2, V2 to V3, ..., Vn.
- *
- * This function will then merge those changes into a single change range valid between V1 and
- * Vn.
- */
- function collapseTextChangeRangesAcrossMultipleVersions(changes) {
- if (changes.length === 0) {
- return ts.unchangedTextChangeRange;
- }
- if (changes.length === 1) {
- return changes[0];
- }
- // We change from talking about { { oldStart, oldLength }, newLength } to { oldStart, oldEnd, newEnd }
- // as it makes things much easier to reason about.
- var change0 = changes[0];
- var oldStartN = change0.span.start;
- var oldEndN = textSpanEnd(change0.span);
- var newEndN = oldStartN + change0.newLength;
- for (var i = 1; i < changes.length; i++) {
- var nextChange = changes[i];
- // Consider the following case:
- // i.e. two edits. The first represents the text change range { { 10, 50 }, 30 }. i.e. The span starting
- // at 10, with length 50 is reduced to length 30. The second represents the text change range { { 30, 30 }, 40 }.
- // i.e. the span starting at 30 with length 30 is increased to length 40.
- //
- // 0 10 20 30 40 50 60 70 80 90 100
- // -------------------------------------------------------------------------------------------------------
- // | /
- // | /----
- // T1 | /----
- // | /----
- // | /----
- // -------------------------------------------------------------------------------------------------------
- // | \
- // | \
- // T2 | \
- // | \
- // | \
- // -------------------------------------------------------------------------------------------------------
- //
- // Merging these turns out to not be too difficult. First, determining the new start of the change is trivial
- // it's just the min of the old and new starts. i.e.:
- //
- // 0 10 20 30 40 50 60 70 80 90 100
- // ------------------------------------------------------------*------------------------------------------
- // | /
- // | /----
- // T1 | /----
- // | /----
- // | /----
- // ----------------------------------------$-------------------$------------------------------------------
- // . | \
- // . | \
- // T2 . | \
- // . | \
- // . | \
- // ----------------------------------------------------------------------*--------------------------------
- //
- // (Note the dots represent the newly inferred start.
- // Determining the new and old end is also pretty simple. Basically it boils down to paying attention to the
- // absolute positions at the asterisks, and the relative change between the dollar signs. Basically, we see
- // which if the two $'s precedes the other, and we move that one forward until they line up. in this case that
- // means:
- //
- // 0 10 20 30 40 50 60 70 80 90 100
- // --------------------------------------------------------------------------------*----------------------
- // | /
- // | /----
- // T1 | /----
- // | /----
- // | /----
- // ------------------------------------------------------------$------------------------------------------
- // . | \
- // . | \
- // T2 . | \
- // . | \
- // . | \
- // ----------------------------------------------------------------------*--------------------------------
- //
- // In other words (in this case), we're recognizing that the second edit happened after where the first edit
- // ended with a delta of 20 characters (60 - 40). Thus, if we go back in time to where the first edit started
- // that's the same as if we started at char 80 instead of 60.
- //
- // As it so happens, the same logic applies if the second edit precedes the first edit. In that case rather
- // than pushing the first edit forward to match the second, we'll push the second edit forward to match the
- // first.
- //
- // In this case that means we have { oldStart: 10, oldEnd: 80, newEnd: 70 } or, in TextChangeRange
- // semantics: { { start: 10, length: 70 }, newLength: 60 }
- //
- // The math then works out as follows.
- // If we have { oldStart1, oldEnd1, newEnd1 } and { oldStart2, oldEnd2, newEnd2 } then we can compute the
- // final result like so:
- //
- // {
- // oldStart3: Min(oldStart1, oldStart2),
- // oldEnd3: Max(oldEnd1, oldEnd1 + (oldEnd2 - newEnd1)),
- // newEnd3: Max(newEnd2, newEnd2 + (newEnd1 - oldEnd2))
- // }
- var oldStart1 = oldStartN;
- var oldEnd1 = oldEndN;
- var newEnd1 = newEndN;
- var oldStart2 = nextChange.span.start;
- var oldEnd2 = textSpanEnd(nextChange.span);
- var newEnd2 = oldStart2 + nextChange.newLength;
- oldStartN = Math.min(oldStart1, oldStart2);
- oldEndN = Math.max(oldEnd1, oldEnd1 + (oldEnd2 - newEnd1));
- newEndN = Math.max(newEnd2, newEnd2 + (newEnd1 - oldEnd2));
- }
- return createTextChangeRange(createTextSpanFromBounds(oldStartN, oldEndN), /*newLength*/ newEndN - oldStartN);
- }
- ts.collapseTextChangeRangesAcrossMultipleVersions = collapseTextChangeRangesAcrossMultipleVersions;
- function getTypeParameterOwner(d) {
- if (d && d.kind === 155 /* TypeParameter */) {
- for (var current = d; current; current = current.parent) {
- if (isFunctionLike(current) || isClassLike(current) || current.kind === 246 /* InterfaceDeclaration */) {
- return current;
- }
- }
- }
- }
- ts.getTypeParameterOwner = getTypeParameterOwner;
- function isParameterPropertyDeclaration(node, parent) {
- return ts.hasModifier(node, 92 /* ParameterPropertyModifier */) && parent.kind === 162 /* Constructor */;
- }
- ts.isParameterPropertyDeclaration = isParameterPropertyDeclaration;
- function isEmptyBindingPattern(node) {
- if (isBindingPattern(node)) {
- return ts.every(node.elements, isEmptyBindingElement);
- }
- return false;
- }
- ts.isEmptyBindingPattern = isEmptyBindingPattern;
- function isEmptyBindingElement(node) {
- if (isOmittedExpression(node)) {
- return true;
- }
- return isEmptyBindingPattern(node.name);
- }
- ts.isEmptyBindingElement = isEmptyBindingElement;
- function walkUpBindingElementsAndPatterns(binding) {
- var node = binding.parent;
- while (isBindingElement(node.parent)) {
- node = node.parent.parent;
- }
- return node.parent;
- }
- ts.walkUpBindingElementsAndPatterns = walkUpBindingElementsAndPatterns;
- function getCombinedFlags(node, getFlags) {
- if (isBindingElement(node)) {
- node = walkUpBindingElementsAndPatterns(node);
- }
- var flags = getFlags(node);
- if (node.kind === 242 /* VariableDeclaration */) {
- node = node.parent;
- }
- if (node && node.kind === 243 /* VariableDeclarationList */) {
- flags |= getFlags(node);
- node = node.parent;
- }
- if (node && node.kind === 225 /* VariableStatement */) {
- flags |= getFlags(node);
- }
- return flags;
- }
- function getCombinedModifierFlags(node) {
- return getCombinedFlags(node, ts.getModifierFlags);
- }
- ts.getCombinedModifierFlags = getCombinedModifierFlags;
- // Returns the node flags for this node and all relevant parent nodes. This is done so that
- // nodes like variable declarations and binding elements can returned a view of their flags
- // that includes the modifiers from their container. i.e. flags like export/declare aren't
- // stored on the variable declaration directly, but on the containing variable statement
- // (if it has one). Similarly, flags for let/const are store on the variable declaration
- // list. By calling this function, all those flags are combined so that the client can treat
- // the node as if it actually had those flags.
- function getCombinedNodeFlags(node) {
- return getCombinedFlags(node, function (n) { return n.flags; });
- }
- ts.getCombinedNodeFlags = getCombinedNodeFlags;
- /**
- * Checks to see if the locale is in the appropriate format,
- * and if it is, attempts to set the appropriate language.
- */
- function validateLocaleAndSetLanguage(locale, sys, errors) {
- var matchResult = /^([a-z]+)([_\-]([a-z]+))?$/.exec(locale.toLowerCase());
- if (!matchResult) {
- if (errors) {
- errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.Locale_must_be_of_the_form_language_or_language_territory_For_example_0_or_1, "en", "ja-jp"));
- }
- return;
- }
- var language = matchResult[1];
- var territory = matchResult[3];
- // First try the entire locale, then fall back to just language if that's all we have.
- // Either ways do not fail, and fallback to the English diagnostic strings.
- if (!trySetLanguageAndTerritory(language, territory, errors)) {
- trySetLanguageAndTerritory(language, /*territory*/ undefined, errors);
- }
- // Set the UI locale for string collation
- ts.setUILocale(locale);
- function trySetLanguageAndTerritory(language, territory, errors) {
- var compilerFilePath = ts.normalizePath(sys.getExecutingFilePath());
- var containingDirectoryPath = ts.getDirectoryPath(compilerFilePath);
- var filePath = ts.combinePaths(containingDirectoryPath, language);
- if (territory) {
- filePath = filePath + "-" + territory;
- }
- filePath = sys.resolvePath(ts.combinePaths(filePath, "diagnosticMessages.generated.json"));
- if (!sys.fileExists(filePath)) {
- return false;
- }
- // TODO: Add codePage support for readFile?
- var fileContents = "";
- try {
- fileContents = sys.readFile(filePath);
- }
- catch (e) {
- if (errors) {
- errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.Unable_to_open_file_0, filePath));
- }
- return false;
- }
- try {
- // this is a global mutation (or live binding update)!
- ts.setLocalizedDiagnosticMessages(JSON.parse(fileContents));
- }
- catch (_a) {
- if (errors) {
- errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.Corrupted_locale_file_0, filePath));
- }
- return false;
- }
- return true;
- }
- }
- ts.validateLocaleAndSetLanguage = validateLocaleAndSetLanguage;
- function getOriginalNode(node, nodeTest) {
- if (node) {
- while (node.original !== undefined) {
- node = node.original;
- }
- }
- return !nodeTest || nodeTest(node) ? node : undefined;
- }
- ts.getOriginalNode = getOriginalNode;
- /**
- * Gets a value indicating whether a node originated in the parse tree.
- *
- * @param node The node to test.
- */
- function isParseTreeNode(node) {
- return (node.flags & 8 /* Synthesized */) === 0;
- }
- ts.isParseTreeNode = isParseTreeNode;
- function getParseTreeNode(node, nodeTest) {
- if (node === undefined || isParseTreeNode(node)) {
- return node;
- }
- node = getOriginalNode(node);
- if (isParseTreeNode(node) && (!nodeTest || nodeTest(node))) {
- return node;
- }
- return undefined;
- }
- ts.getParseTreeNode = getParseTreeNode;
- /** Add an extra underscore to identifiers that start with two underscores to avoid issues with magic names like '__proto__' */
- function escapeLeadingUnderscores(identifier) {
- return (identifier.length >= 2 && identifier.charCodeAt(0) === 95 /* _ */ && identifier.charCodeAt(1) === 95 /* _ */ ? "_" + identifier : identifier);
- }
- ts.escapeLeadingUnderscores = escapeLeadingUnderscores;
- /**
- * Remove extra underscore from escaped identifier text content.
- *
- * @param identifier The escaped identifier text.
- * @returns The unescaped identifier text.
- */
- function unescapeLeadingUnderscores(identifier) {
- var id = identifier;
- return id.length >= 3 && id.charCodeAt(0) === 95 /* _ */ && id.charCodeAt(1) === 95 /* _ */ && id.charCodeAt(2) === 95 /* _ */ ? id.substr(1) : id;
- }
- ts.unescapeLeadingUnderscores = unescapeLeadingUnderscores;
- function idText(identifierOrPrivateName) {
- return unescapeLeadingUnderscores(identifierOrPrivateName.escapedText);
- }
- ts.idText = idText;
- function symbolName(symbol) {
- if (symbol.valueDeclaration && isPrivateIdentifierPropertyDeclaration(symbol.valueDeclaration)) {
- return idText(symbol.valueDeclaration.name);
- }
- return unescapeLeadingUnderscores(symbol.escapedName);
- }
- ts.symbolName = symbolName;
- /**
- * A JSDocTypedef tag has an _optional_ name field - if a name is not directly present, we should
- * attempt to draw the name from the node the declaration is on (as that declaration is what its' symbol
- * will be merged with)
- */
- function nameForNamelessJSDocTypedef(declaration) {
- var hostNode = declaration.parent.parent;
- if (!hostNode) {
- return undefined;
- }
- // Covers classes, functions - any named declaration host node
- if (isDeclaration(hostNode)) {
- return getDeclarationIdentifier(hostNode);
- }
- // Covers remaining cases (returning undefined if none match).
- switch (hostNode.kind) {
- case 225 /* VariableStatement */:
- if (hostNode.declarationList && hostNode.declarationList.declarations[0]) {
- return getDeclarationIdentifier(hostNode.declarationList.declarations[0]);
- }
- break;
- case 226 /* ExpressionStatement */:
- var expr = hostNode.expression;
- if (expr.kind === 209 /* BinaryExpression */ && expr.operatorToken.kind === 62 /* EqualsToken */) {
- expr = expr.left;
- }
- switch (expr.kind) {
- case 194 /* PropertyAccessExpression */:
- return expr.name;
- case 195 /* ElementAccessExpression */:
- var arg = expr.argumentExpression;
- if (isIdentifier(arg)) {
- return arg;
- }
- }
- break;
- case 200 /* ParenthesizedExpression */: {
- return getDeclarationIdentifier(hostNode.expression);
- }
- case 238 /* LabeledStatement */: {
- if (isDeclaration(hostNode.statement) || isExpression(hostNode.statement)) {
- return getDeclarationIdentifier(hostNode.statement);
- }
- break;
- }
- }
- }
- function getDeclarationIdentifier(node) {
- var name = getNameOfDeclaration(node);
- return name && isIdentifier(name) ? name : undefined;
- }
- /** @internal */
- function nodeHasName(statement, name) {
- if (isNamedDeclaration(statement) && isIdentifier(statement.name) && idText(statement.name) === idText(name)) {
- return true;
- }
- if (isVariableStatement(statement) && ts.some(statement.declarationList.declarations, function (d) { return nodeHasName(d, name); })) {
- return true;
- }
- return false;
- }
- ts.nodeHasName = nodeHasName;
- function getNameOfJSDocTypedef(declaration) {
- return declaration.name || nameForNamelessJSDocTypedef(declaration);
- }
- ts.getNameOfJSDocTypedef = getNameOfJSDocTypedef;
- /** @internal */
- function isNamedDeclaration(node) {
- return !!node.name; // A 'name' property should always be a DeclarationName.
- }
- ts.isNamedDeclaration = isNamedDeclaration;
- /** @internal */
- function getNonAssignedNameOfDeclaration(declaration) {
- switch (declaration.kind) {
- case 75 /* Identifier */:
- return declaration;
- case 323 /* JSDocPropertyTag */:
- case 317 /* JSDocParameterTag */: {
- var name = declaration.name;
- if (name.kind === 153 /* QualifiedName */) {
- return name.right;
- }
- break;
- }
- case 196 /* CallExpression */:
- case 209 /* BinaryExpression */: {
- var expr_1 = declaration;
- switch (ts.getAssignmentDeclarationKind(expr_1)) {
- case 1 /* ExportsProperty */:
- case 4 /* ThisProperty */:
- case 5 /* Property */:
- case 3 /* PrototypeProperty */:
- return ts.getElementOrPropertyAccessArgumentExpressionOrName(expr_1.left);
- case 7 /* ObjectDefinePropertyValue */:
- case 8 /* ObjectDefinePropertyExports */:
- case 9 /* ObjectDefinePrototypeProperty */:
- return expr_1.arguments[1];
- default:
- return undefined;
- }
- }
- case 322 /* JSDocTypedefTag */:
- return getNameOfJSDocTypedef(declaration);
- case 316 /* JSDocEnumTag */:
- return nameForNamelessJSDocTypedef(declaration);
- case 259 /* ExportAssignment */: {
- var expression = declaration.expression;
- return isIdentifier(expression) ? expression : undefined;
- }
- case 195 /* ElementAccessExpression */:
- var expr = declaration;
- if (ts.isBindableStaticElementAccessExpression(expr)) {
- return expr.argumentExpression;
- }
- }
- return declaration.name;
- }
- ts.getNonAssignedNameOfDeclaration = getNonAssignedNameOfDeclaration;
- function getNameOfDeclaration(declaration) {
- if (declaration === undefined)
- return undefined;
- return getNonAssignedNameOfDeclaration(declaration) ||
- (isFunctionExpression(declaration) || isClassExpression(declaration) ? getAssignedName(declaration) : undefined);
- }
- ts.getNameOfDeclaration = getNameOfDeclaration;
- function getAssignedName(node) {
- if (!node.parent) {
- return undefined;
- }
- else if (isPropertyAssignment(node.parent) || isBindingElement(node.parent)) {
- return node.parent.name;
- }
- else if (isBinaryExpression(node.parent) && node === node.parent.right) {
- if (isIdentifier(node.parent.left)) {
- return node.parent.left;
- }
- else if (ts.isAccessExpression(node.parent.left)) {
- return ts.getElementOrPropertyAccessArgumentExpressionOrName(node.parent.left);
- }
- }
- else if (isVariableDeclaration(node.parent) && isIdentifier(node.parent.name)) {
- return node.parent.name;
- }
- }
- /**
- * Gets the JSDoc parameter tags for the node if present.
- *
- * @remarks Returns any JSDoc param tag whose name matches the provided
- * parameter, whether a param tag on a containing function
- * expression, or a param tag on a variable declaration whose
- * initializer is the containing function. The tags closest to the
- * node are returned first, so in the previous example, the param
- * tag on the containing function expression would be first.
- *
- * For binding patterns, parameter tags are matched by position.
- */
- function getJSDocParameterTags(param) {
- if (param.name) {
- if (isIdentifier(param.name)) {
- var name_1 = param.name.escapedText;
- return getJSDocTags(param.parent).filter(function (tag) { return isJSDocParameterTag(tag) && isIdentifier(tag.name) && tag.name.escapedText === name_1; });
- }
- else {
- var i = param.parent.parameters.indexOf(param);
- ts.Debug.assert(i > -1, "Parameters should always be in their parents' parameter list");
- var paramTags = getJSDocTags(param.parent).filter(isJSDocParameterTag);
- if (i < paramTags.length) {
- return [paramTags[i]];
- }
- }
- }
- // return empty array for: out-of-order binding patterns and JSDoc function syntax, which has un-named parameters
- return ts.emptyArray;
- }
- ts.getJSDocParameterTags = getJSDocParameterTags;
- /**
- * Gets the JSDoc type parameter tags for the node if present.
- *
- * @remarks Returns any JSDoc template tag whose names match the provided
- * parameter, whether a template tag on a containing function
- * expression, or a template tag on a variable declaration whose
- * initializer is the containing function. The tags closest to the
- * node are returned first, so in the previous example, the template
- * tag on the containing function expression would be first.
- */
- function getJSDocTypeParameterTags(param) {
- var name = param.name.escapedText;
- return getJSDocTags(param.parent).filter(function (tag) {
- return isJSDocTemplateTag(tag) && tag.typeParameters.some(function (tp) { return tp.name.escapedText === name; });
- });
- }
- ts.getJSDocTypeParameterTags = getJSDocTypeParameterTags;
- /**
- * Return true if the node has JSDoc parameter tags.
- *
- * @remarks Includes parameter tags that are not directly on the node,
- * for example on a variable declaration whose initializer is a function expression.
- */
- function hasJSDocParameterTags(node) {
- return !!getFirstJSDocTag(node, isJSDocParameterTag);
- }
- ts.hasJSDocParameterTags = hasJSDocParameterTags;
- /** Gets the JSDoc augments tag for the node if present */
- function getJSDocAugmentsTag(node) {
- return getFirstJSDocTag(node, isJSDocAugmentsTag);
- }
- ts.getJSDocAugmentsTag = getJSDocAugmentsTag;
- /** Gets the JSDoc implements tags for the node if present */
- function getJSDocImplementsTags(node) {
- return getAllJSDocTags(node, isJSDocImplementsTag);
- }
- ts.getJSDocImplementsTags = getJSDocImplementsTags;
- /** Gets the JSDoc class tag for the node if present */
- function getJSDocClassTag(node) {
- return getFirstJSDocTag(node, isJSDocClassTag);
- }
- ts.getJSDocClassTag = getJSDocClassTag;
- /** Gets the JSDoc public tag for the node if present */
- function getJSDocPublicTag(node) {
- return getFirstJSDocTag(node, isJSDocPublicTag);
- }
- ts.getJSDocPublicTag = getJSDocPublicTag;
- /** Gets the JSDoc private tag for the node if present */
- function getJSDocPrivateTag(node) {
- return getFirstJSDocTag(node, isJSDocPrivateTag);
- }
- ts.getJSDocPrivateTag = getJSDocPrivateTag;
- /** Gets the JSDoc protected tag for the node if present */
- function getJSDocProtectedTag(node) {
- return getFirstJSDocTag(node, isJSDocProtectedTag);
- }
- ts.getJSDocProtectedTag = getJSDocProtectedTag;
- /** Gets the JSDoc protected tag for the node if present */
- function getJSDocReadonlyTag(node) {
- return getFirstJSDocTag(node, isJSDocReadonlyTag);
- }
- ts.getJSDocReadonlyTag = getJSDocReadonlyTag;
- /** Gets the JSDoc enum tag for the node if present */
- function getJSDocEnumTag(node) {
- return getFirstJSDocTag(node, isJSDocEnumTag);
- }
- ts.getJSDocEnumTag = getJSDocEnumTag;
- /** Gets the JSDoc this tag for the node if present */
- function getJSDocThisTag(node) {
- return getFirstJSDocTag(node, isJSDocThisTag);
- }
- ts.getJSDocThisTag = getJSDocThisTag;
- /** Gets the JSDoc return tag for the node if present */
- function getJSDocReturnTag(node) {
- return getFirstJSDocTag(node, isJSDocReturnTag);
- }
- ts.getJSDocReturnTag = getJSDocReturnTag;
- /** Gets the JSDoc template tag for the node if present */
- function getJSDocTemplateTag(node) {
- return getFirstJSDocTag(node, isJSDocTemplateTag);
- }
- ts.getJSDocTemplateTag = getJSDocTemplateTag;
- /** Gets the JSDoc type tag for the node if present and valid */
- function getJSDocTypeTag(node) {
- // We should have already issued an error if there were multiple type jsdocs, so just use the first one.
- var tag = getFirstJSDocTag(node, isJSDocTypeTag);
- if (tag && tag.typeExpression && tag.typeExpression.type) {
- return tag;
- }
- return undefined;
- }
- ts.getJSDocTypeTag = getJSDocTypeTag;
- /**
- * Gets the type node for the node if provided via JSDoc.
- *
- * @remarks The search includes any JSDoc param tag that relates
- * to the provided parameter, for example a type tag on the
- * parameter itself, or a param tag on a containing function
- * expression, or a param tag on a variable declaration whose
- * initializer is the containing function. The tags closest to the
- * node are examined first, so in the previous example, the type
- * tag directly on the node would be returned.
- */
- function getJSDocType(node) {
- var tag = getFirstJSDocTag(node, isJSDocTypeTag);
- if (!tag && isParameter(node)) {
- tag = ts.find(getJSDocParameterTags(node), function (tag) { return !!tag.typeExpression; });
- }
- return tag && tag.typeExpression && tag.typeExpression.type;
- }
- ts.getJSDocType = getJSDocType;
- /**
- * Gets the return type node for the node if provided via JSDoc return tag or type tag.
- *
- * @remarks `getJSDocReturnTag` just gets the whole JSDoc tag. This function
- * gets the type from inside the braces, after the fat arrow, etc.
- */
- function getJSDocReturnType(node) {
- var returnTag = getJSDocReturnTag(node);
- if (returnTag && returnTag.typeExpression) {
- return returnTag.typeExpression.type;
- }
- var typeTag = getJSDocTypeTag(node);
- if (typeTag && typeTag.typeExpression) {
- var type = typeTag.typeExpression.type;
- if (isTypeLiteralNode(type)) {
- var sig = ts.find(type.members, isCallSignatureDeclaration);
- return sig && sig.type;
- }
- if (isFunctionTypeNode(type) || isJSDocFunctionType(type)) {
- return type.type;
- }
- }
- }
- ts.getJSDocReturnType = getJSDocReturnType;
- /** Get all JSDoc tags related to a node, including those on parent nodes. */
- function getJSDocTags(node) {
- var tags = node.jsDocCache;
- // If cache is 'null', that means we did the work of searching for JSDoc tags and came up with nothing.
- if (tags === undefined) {
- var comments = ts.getJSDocCommentsAndTags(node);
- ts.Debug.assert(comments.length < 2 || comments[0] !== comments[1]);
- node.jsDocCache = tags = ts.flatMap(comments, function (j) { return isJSDoc(j) ? j.tags : j; });
- }
- return tags;
- }
- ts.getJSDocTags = getJSDocTags;
- /** Get the first JSDoc tag of a specified kind, or undefined if not present. */
- function getFirstJSDocTag(node, predicate) {
- return ts.find(getJSDocTags(node), predicate);
- }
- /** Gets all JSDoc tags that match a specified predicate */
- function getAllJSDocTags(node, predicate) {
- return getJSDocTags(node).filter(predicate);
- }
- ts.getAllJSDocTags = getAllJSDocTags;
- /** Gets all JSDoc tags of a specified kind */
- function getAllJSDocTagsOfKind(node, kind) {
- return getJSDocTags(node).filter(function (doc) { return doc.kind === kind; });
- }
- ts.getAllJSDocTagsOfKind = getAllJSDocTagsOfKind;
- /**
- * Gets the effective type parameters. If the node was parsed in a
- * JavaScript file, gets the type parameters from the `@template` tag from JSDoc.
- */
- function getEffectiveTypeParameterDeclarations(node) {
- if (isJSDocSignature(node)) {
- return ts.emptyArray;
- }
- if (ts.isJSDocTypeAlias(node)) {
- ts.Debug.assert(node.parent.kind === 303 /* JSDocComment */);
- return ts.flatMap(node.parent.tags, function (tag) { return isJSDocTemplateTag(tag) ? tag.typeParameters : undefined; });
- }
- if (node.typeParameters) {
- return node.typeParameters;
- }
- if (ts.isInJSFile(node)) {
- var decls = ts.getJSDocTypeParameterDeclarations(node);
- if (decls.length) {
- return decls;
- }
- var typeTag = getJSDocType(node);
- if (typeTag && isFunctionTypeNode(typeTag) && typeTag.typeParameters) {
- return typeTag.typeParameters;
- }
- }
- return ts.emptyArray;
- }
- ts.getEffectiveTypeParameterDeclarations = getEffectiveTypeParameterDeclarations;
- function getEffectiveConstraintOfTypeParameter(node) {
- return node.constraint ? node.constraint :
- isJSDocTemplateTag(node.parent) && node === node.parent.typeParameters[0] ? node.parent.constraint :
- undefined;
- }
- ts.getEffectiveConstraintOfTypeParameter = getEffectiveConstraintOfTypeParameter;
- // #region
- // Simple node tests of the form `node.kind === SyntaxKind.Foo`.
- // Literals
- function isNumericLiteral(node) {
- return node.kind === 8 /* NumericLiteral */;
- }
- ts.isNumericLiteral = isNumericLiteral;
- function isBigIntLiteral(node) {
- return node.kind === 9 /* BigIntLiteral */;
- }
- ts.isBigIntLiteral = isBigIntLiteral;
- function isStringLiteral(node) {
- return node.kind === 10 /* StringLiteral */;
- }
- ts.isStringLiteral = isStringLiteral;
- function isJsxText(node) {
- return node.kind === 11 /* JsxText */;
- }
- ts.isJsxText = isJsxText;
- function isRegularExpressionLiteral(node) {
- return node.kind === 13 /* RegularExpressionLiteral */;
- }
- ts.isRegularExpressionLiteral = isRegularExpressionLiteral;
- function isNoSubstitutionTemplateLiteral(node) {
- return node.kind === 14 /* NoSubstitutionTemplateLiteral */;
- }
- ts.isNoSubstitutionTemplateLiteral = isNoSubstitutionTemplateLiteral;
- // Pseudo-literals
- function isTemplateHead(node) {
- return node.kind === 15 /* TemplateHead */;
- }
- ts.isTemplateHead = isTemplateHead;
- function isTemplateMiddle(node) {
- return node.kind === 16 /* TemplateMiddle */;
- }
- ts.isTemplateMiddle = isTemplateMiddle;
- function isTemplateTail(node) {
- return node.kind === 17 /* TemplateTail */;
- }
- ts.isTemplateTail = isTemplateTail;
- function isIdentifier(node) {
- return node.kind === 75 /* Identifier */;
- }
- ts.isIdentifier = isIdentifier;
- // Names
- function isQualifiedName(node) {
- return node.kind === 153 /* QualifiedName */;
- }
- ts.isQualifiedName = isQualifiedName;
- function isComputedPropertyName(node) {
- return node.kind === 154 /* ComputedPropertyName */;
- }
- ts.isComputedPropertyName = isComputedPropertyName;
- function isPrivateIdentifier(node) {
- return node.kind === 76 /* PrivateIdentifier */;
- }
- ts.isPrivateIdentifier = isPrivateIdentifier;
- function isIdentifierOrPrivateIdentifier(node) {
- return node.kind === 75 /* Identifier */ || node.kind === 76 /* PrivateIdentifier */;
- }
- ts.isIdentifierOrPrivateIdentifier = isIdentifierOrPrivateIdentifier;
- // Signature elements
- function isTypeParameterDeclaration(node) {
- return node.kind === 155 /* TypeParameter */;
- }
- ts.isTypeParameterDeclaration = isTypeParameterDeclaration;
- function isParameter(node) {
- return node.kind === 156 /* Parameter */;
- }
- ts.isParameter = isParameter;
- function isDecorator(node) {
- return node.kind === 157 /* Decorator */;
- }
- ts.isDecorator = isDecorator;
- // TypeMember
- function isPropertySignature(node) {
- return node.kind === 158 /* PropertySignature */;
- }
- ts.isPropertySignature = isPropertySignature;
- function isPropertyDeclaration(node) {
- return node.kind === 159 /* PropertyDeclaration */;
- }
- ts.isPropertyDeclaration = isPropertyDeclaration;
- function isMethodSignature(node) {
- return node.kind === 160 /* MethodSignature */;
- }
- ts.isMethodSignature = isMethodSignature;
- function isMethodDeclaration(node) {
- return node.kind === 161 /* MethodDeclaration */;
- }
- ts.isMethodDeclaration = isMethodDeclaration;
- function isConstructorDeclaration(node) {
- return node.kind === 162 /* Constructor */;
- }
- ts.isConstructorDeclaration = isConstructorDeclaration;
- function isGetAccessorDeclaration(node) {
- return node.kind === 163 /* GetAccessor */;
- }
- ts.isGetAccessorDeclaration = isGetAccessorDeclaration;
- function isSetAccessorDeclaration(node) {
- return node.kind === 164 /* SetAccessor */;
- }
- ts.isSetAccessorDeclaration = isSetAccessorDeclaration;
- function isCallSignatureDeclaration(node) {
- return node.kind === 165 /* CallSignature */;
- }
- ts.isCallSignatureDeclaration = isCallSignatureDeclaration;
- function isConstructSignatureDeclaration(node) {
- return node.kind === 166 /* ConstructSignature */;
- }
- ts.isConstructSignatureDeclaration = isConstructSignatureDeclaration;
- function isIndexSignatureDeclaration(node) {
- return node.kind === 167 /* IndexSignature */;
- }
- ts.isIndexSignatureDeclaration = isIndexSignatureDeclaration;
- /* @internal */
- function isGetOrSetAccessorDeclaration(node) {
- return node.kind === 164 /* SetAccessor */ || node.kind === 163 /* GetAccessor */;
- }
- ts.isGetOrSetAccessorDeclaration = isGetOrSetAccessorDeclaration;
- // Type
- function isTypePredicateNode(node) {
- return node.kind === 168 /* TypePredicate */;
- }
- ts.isTypePredicateNode = isTypePredicateNode;
- function isTypeReferenceNode(node) {
- return node.kind === 169 /* TypeReference */;
- }
- ts.isTypeReferenceNode = isTypeReferenceNode;
- function isFunctionTypeNode(node) {
- return node.kind === 170 /* FunctionType */;
- }
- ts.isFunctionTypeNode = isFunctionTypeNode;
- function isConstructorTypeNode(node) {
- return node.kind === 171 /* ConstructorType */;
- }
- ts.isConstructorTypeNode = isConstructorTypeNode;
- function isTypeQueryNode(node) {
- return node.kind === 172 /* TypeQuery */;
- }
- ts.isTypeQueryNode = isTypeQueryNode;
- function isTypeLiteralNode(node) {
- return node.kind === 173 /* TypeLiteral */;
- }
- ts.isTypeLiteralNode = isTypeLiteralNode;
- function isArrayTypeNode(node) {
- return node.kind === 174 /* ArrayType */;
- }
- ts.isArrayTypeNode = isArrayTypeNode;
- function isTupleTypeNode(node) {
- return node.kind === 175 /* TupleType */;
- }
- ts.isTupleTypeNode = isTupleTypeNode;
- function isUnionTypeNode(node) {
- return node.kind === 178 /* UnionType */;
- }
- ts.isUnionTypeNode = isUnionTypeNode;
- function isIntersectionTypeNode(node) {
- return node.kind === 179 /* IntersectionType */;
- }
- ts.isIntersectionTypeNode = isIntersectionTypeNode;
- function isConditionalTypeNode(node) {
- return node.kind === 180 /* ConditionalType */;
- }
- ts.isConditionalTypeNode = isConditionalTypeNode;
- function isInferTypeNode(node) {
- return node.kind === 181 /* InferType */;
- }
- ts.isInferTypeNode = isInferTypeNode;
- function isParenthesizedTypeNode(node) {
- return node.kind === 182 /* ParenthesizedType */;
- }
- ts.isParenthesizedTypeNode = isParenthesizedTypeNode;
- function isThisTypeNode(node) {
- return node.kind === 183 /* ThisType */;
- }
- ts.isThisTypeNode = isThisTypeNode;
- function isTypeOperatorNode(node) {
- return node.kind === 184 /* TypeOperator */;
- }
- ts.isTypeOperatorNode = isTypeOperatorNode;
- function isIndexedAccessTypeNode(node) {
- return node.kind === 185 /* IndexedAccessType */;
- }
- ts.isIndexedAccessTypeNode = isIndexedAccessTypeNode;
- function isMappedTypeNode(node) {
- return node.kind === 186 /* MappedType */;
- }
- ts.isMappedTypeNode = isMappedTypeNode;
- function isLiteralTypeNode(node) {
- return node.kind === 187 /* LiteralType */;
- }
- ts.isLiteralTypeNode = isLiteralTypeNode;
- function isImportTypeNode(node) {
- return node.kind === 188 /* ImportType */;
- }
- ts.isImportTypeNode = isImportTypeNode;
- // Binding patterns
- function isObjectBindingPattern(node) {
- return node.kind === 189 /* ObjectBindingPattern */;
- }
- ts.isObjectBindingPattern = isObjectBindingPattern;
- function isArrayBindingPattern(node) {
- return node.kind === 190 /* ArrayBindingPattern */;
- }
- ts.isArrayBindingPattern = isArrayBindingPattern;
- function isBindingElement(node) {
- return node.kind === 191 /* BindingElement */;
- }
- ts.isBindingElement = isBindingElement;
- // Expression
- function isArrayLiteralExpression(node) {
- return node.kind === 192 /* ArrayLiteralExpression */;
- }
- ts.isArrayLiteralExpression = isArrayLiteralExpression;
- function isObjectLiteralExpression(node) {
- return node.kind === 193 /* ObjectLiteralExpression */;
- }
- ts.isObjectLiteralExpression = isObjectLiteralExpression;
- function isPropertyAccessExpression(node) {
- return node.kind === 194 /* PropertyAccessExpression */;
- }
- ts.isPropertyAccessExpression = isPropertyAccessExpression;
- function isPropertyAccessChain(node) {
- return isPropertyAccessExpression(node) && !!(node.flags & 32 /* OptionalChain */);
- }
- ts.isPropertyAccessChain = isPropertyAccessChain;
- function isElementAccessExpression(node) {
- return node.kind === 195 /* ElementAccessExpression */;
- }
- ts.isElementAccessExpression = isElementAccessExpression;
- function isElementAccessChain(node) {
- return isElementAccessExpression(node) && !!(node.flags & 32 /* OptionalChain */);
- }
- ts.isElementAccessChain = isElementAccessChain;
- function isCallExpression(node) {
- return node.kind === 196 /* CallExpression */;
- }
- ts.isCallExpression = isCallExpression;
- function isCallChain(node) {
- return isCallExpression(node) && !!(node.flags & 32 /* OptionalChain */);
- }
- ts.isCallChain = isCallChain;
- function isOptionalChain(node) {
- var kind = node.kind;
- return !!(node.flags & 32 /* OptionalChain */) &&
- (kind === 194 /* PropertyAccessExpression */
- || kind === 195 /* ElementAccessExpression */
- || kind === 196 /* CallExpression */
- || kind === 218 /* NonNullExpression */);
- }
- ts.isOptionalChain = isOptionalChain;
- /* @internal */
- function isOptionalChainRoot(node) {
- return isOptionalChain(node) && !isNonNullExpression(node) && !!node.questionDotToken;
- }
- ts.isOptionalChainRoot = isOptionalChainRoot;
- /**
- * Determines whether a node is the expression preceding an optional chain (i.e. `a` in `a?.b`).
- */
- /* @internal */
- function isExpressionOfOptionalChainRoot(node) {
- return isOptionalChainRoot(node.parent) && node.parent.expression === node;
- }
- ts.isExpressionOfOptionalChainRoot = isExpressionOfOptionalChainRoot;
- /**
- * Determines whether a node is the outermost `OptionalChain` in an ECMAScript `OptionalExpression`:
- *
- * 1. For `a?.b.c`, the outermost chain is `a?.b.c` (`c` is the end of the chain starting at `a?.`)
- * 2. For `a?.b!`, the outermost chain is `a?.b` (`b` is the end of the chain starting at `a?.`)
- * 3. For `(a?.b.c).d`, the outermost chain is `a?.b.c` (`c` is the end of the chain starting at `a?.` since parens end the chain)
- * 4. For `a?.b.c?.d`, both `a?.b.c` and `a?.b.c?.d` are outermost (`c` is the end of the chain starting at `a?.`, and `d` is
- * the end of the chain starting at `c?.`)
- * 5. For `a?.(b?.c).d`, both `b?.c` and `a?.(b?.c)d` are outermost (`c` is the end of the chain starting at `b`, and `d` is
- * the end of the chain starting at `a?.`)
- */
- /* @internal */
- function isOutermostOptionalChain(node) {
- return !isOptionalChain(node.parent) // cases 1, 2, and 3
- || isOptionalChainRoot(node.parent) // case 4
- || node !== node.parent.expression; // case 5
- }
- ts.isOutermostOptionalChain = isOutermostOptionalChain;
- function isNullishCoalesce(node) {
- return node.kind === 209 /* BinaryExpression */ && node.operatorToken.kind === 60 /* QuestionQuestionToken */;
- }
- ts.isNullishCoalesce = isNullishCoalesce;
- function isNewExpression(node) {
- return node.kind === 197 /* NewExpression */;
- }
- ts.isNewExpression = isNewExpression;
- function isTaggedTemplateExpression(node) {
- return node.kind === 198 /* TaggedTemplateExpression */;
- }
- ts.isTaggedTemplateExpression = isTaggedTemplateExpression;
- function isTypeAssertion(node) {
- return node.kind === 199 /* TypeAssertionExpression */;
- }
- ts.isTypeAssertion = isTypeAssertion;
- function isConstTypeReference(node) {
- return isTypeReferenceNode(node) && isIdentifier(node.typeName) &&
- node.typeName.escapedText === "const" && !node.typeArguments;
- }
- ts.isConstTypeReference = isConstTypeReference;
- function isParenthesizedExpression(node) {
- return node.kind === 200 /* ParenthesizedExpression */;
- }
- ts.isParenthesizedExpression = isParenthesizedExpression;
- function skipPartiallyEmittedExpressions(node) {
- return ts.skipOuterExpressions(node, 8 /* PartiallyEmittedExpressions */);
- }
- ts.skipPartiallyEmittedExpressions = skipPartiallyEmittedExpressions;
- function isFunctionExpression(node) {
- return node.kind === 201 /* FunctionExpression */;
- }
- ts.isFunctionExpression = isFunctionExpression;
- function isArrowFunction(node) {
- return node.kind === 202 /* ArrowFunction */;
- }
- ts.isArrowFunction = isArrowFunction;
- function isDeleteExpression(node) {
- return node.kind === 203 /* DeleteExpression */;
- }
- ts.isDeleteExpression = isDeleteExpression;
- function isTypeOfExpression(node) {
- return node.kind === 204 /* TypeOfExpression */;
- }
- ts.isTypeOfExpression = isTypeOfExpression;
- function isVoidExpression(node) {
- return node.kind === 205 /* VoidExpression */;
- }
- ts.isVoidExpression = isVoidExpression;
- function isAwaitExpression(node) {
- return node.kind === 206 /* AwaitExpression */;
- }
- ts.isAwaitExpression = isAwaitExpression;
- function isPrefixUnaryExpression(node) {
- return node.kind === 207 /* PrefixUnaryExpression */;
- }
- ts.isPrefixUnaryExpression = isPrefixUnaryExpression;
- function isPostfixUnaryExpression(node) {
- return node.kind === 208 /* PostfixUnaryExpression */;
- }
- ts.isPostfixUnaryExpression = isPostfixUnaryExpression;
- function isBinaryExpression(node) {
- return node.kind === 209 /* BinaryExpression */;
- }
- ts.isBinaryExpression = isBinaryExpression;
- function isConditionalExpression(node) {
- return node.kind === 210 /* ConditionalExpression */;
- }
- ts.isConditionalExpression = isConditionalExpression;
- function isTemplateExpression(node) {
- return node.kind === 211 /* TemplateExpression */;
- }
- ts.isTemplateExpression = isTemplateExpression;
- function isYieldExpression(node) {
- return node.kind === 212 /* YieldExpression */;
- }
- ts.isYieldExpression = isYieldExpression;
- function isSpreadElement(node) {
- return node.kind === 213 /* SpreadElement */;
- }
- ts.isSpreadElement = isSpreadElement;
- function isClassExpression(node) {
- return node.kind === 214 /* ClassExpression */;
- }
- ts.isClassExpression = isClassExpression;
- function isOmittedExpression(node) {
- return node.kind === 215 /* OmittedExpression */;
- }
- ts.isOmittedExpression = isOmittedExpression;
- function isExpressionWithTypeArguments(node) {
- return node.kind === 216 /* ExpressionWithTypeArguments */;
- }
- ts.isExpressionWithTypeArguments = isExpressionWithTypeArguments;
- function isAsExpression(node) {
- return node.kind === 217 /* AsExpression */;
- }
- ts.isAsExpression = isAsExpression;
- function isNonNullExpression(node) {
- return node.kind === 218 /* NonNullExpression */;
- }
- ts.isNonNullExpression = isNonNullExpression;
- function isNonNullChain(node) {
- return isNonNullExpression(node) && !!(node.flags & 32 /* OptionalChain */);
- }
- ts.isNonNullChain = isNonNullChain;
- function isMetaProperty(node) {
- return node.kind === 219 /* MetaProperty */;
- }
- ts.isMetaProperty = isMetaProperty;
- // Misc
- function isTemplateSpan(node) {
- return node.kind === 221 /* TemplateSpan */;
- }
- ts.isTemplateSpan = isTemplateSpan;
- function isSemicolonClassElement(node) {
- return node.kind === 222 /* SemicolonClassElement */;
- }
- ts.isSemicolonClassElement = isSemicolonClassElement;
- // Block
- function isBlock(node) {
- return node.kind === 223 /* Block */;
- }
- ts.isBlock = isBlock;
- function isVariableStatement(node) {
- return node.kind === 225 /* VariableStatement */;
- }
- ts.isVariableStatement = isVariableStatement;
- function isEmptyStatement(node) {
- return node.kind === 224 /* EmptyStatement */;
- }
- ts.isEmptyStatement = isEmptyStatement;
- function isExpressionStatement(node) {
- return node.kind === 226 /* ExpressionStatement */;
- }
- ts.isExpressionStatement = isExpressionStatement;
- function isIfStatement(node) {
- return node.kind === 227 /* IfStatement */;
- }
- ts.isIfStatement = isIfStatement;
- function isDoStatement(node) {
- return node.kind === 228 /* DoStatement */;
- }
- ts.isDoStatement = isDoStatement;
- function isWhileStatement(node) {
- return node.kind === 229 /* WhileStatement */;
- }
- ts.isWhileStatement = isWhileStatement;
- function isForStatement(node) {
- return node.kind === 230 /* ForStatement */;
- }
- ts.isForStatement = isForStatement;
- function isForInStatement(node) {
- return node.kind === 231 /* ForInStatement */;
- }
- ts.isForInStatement = isForInStatement;
- function isForOfStatement(node) {
- return node.kind === 232 /* ForOfStatement */;
- }
- ts.isForOfStatement = isForOfStatement;
- function isContinueStatement(node) {
- return node.kind === 233 /* ContinueStatement */;
- }
- ts.isContinueStatement = isContinueStatement;
- function isBreakStatement(node) {
- return node.kind === 234 /* BreakStatement */;
- }
- ts.isBreakStatement = isBreakStatement;
- function isBreakOrContinueStatement(node) {
- return node.kind === 234 /* BreakStatement */ || node.kind === 233 /* ContinueStatement */;
- }
- ts.isBreakOrContinueStatement = isBreakOrContinueStatement;
- function isReturnStatement(node) {
- return node.kind === 235 /* ReturnStatement */;
- }
- ts.isReturnStatement = isReturnStatement;
- function isWithStatement(node) {
- return node.kind === 236 /* WithStatement */;
- }
- ts.isWithStatement = isWithStatement;
- function isSwitchStatement(node) {
- return node.kind === 237 /* SwitchStatement */;
- }
- ts.isSwitchStatement = isSwitchStatement;
- function isLabeledStatement(node) {
- return node.kind === 238 /* LabeledStatement */;
- }
- ts.isLabeledStatement = isLabeledStatement;
- function isThrowStatement(node) {
- return node.kind === 239 /* ThrowStatement */;
- }
- ts.isThrowStatement = isThrowStatement;
- function isTryStatement(node) {
- return node.kind === 240 /* TryStatement */;
- }
- ts.isTryStatement = isTryStatement;
- function isDebuggerStatement(node) {
- return node.kind === 241 /* DebuggerStatement */;
- }
- ts.isDebuggerStatement = isDebuggerStatement;
- function isVariableDeclaration(node) {
- return node.kind === 242 /* VariableDeclaration */;
- }
- ts.isVariableDeclaration = isVariableDeclaration;
- function isVariableDeclarationList(node) {
- return node.kind === 243 /* VariableDeclarationList */;
- }
- ts.isVariableDeclarationList = isVariableDeclarationList;
- function isFunctionDeclaration(node) {
- return node.kind === 244 /* FunctionDeclaration */;
- }
- ts.isFunctionDeclaration = isFunctionDeclaration;
- function isClassDeclaration(node) {
- return node.kind === 245 /* ClassDeclaration */;
- }
- ts.isClassDeclaration = isClassDeclaration;
- function isInterfaceDeclaration(node) {
- return node.kind === 246 /* InterfaceDeclaration */;
- }
- ts.isInterfaceDeclaration = isInterfaceDeclaration;
- function isTypeAliasDeclaration(node) {
- return node.kind === 247 /* TypeAliasDeclaration */;
- }
- ts.isTypeAliasDeclaration = isTypeAliasDeclaration;
- function isEnumDeclaration(node) {
- return node.kind === 248 /* EnumDeclaration */;
- }
- ts.isEnumDeclaration = isEnumDeclaration;
- function isModuleDeclaration(node) {
- return node.kind === 249 /* ModuleDeclaration */;
- }
- ts.isModuleDeclaration = isModuleDeclaration;
- function isModuleBlock(node) {
- return node.kind === 250 /* ModuleBlock */;
- }
- ts.isModuleBlock = isModuleBlock;
- function isCaseBlock(node) {
- return node.kind === 251 /* CaseBlock */;
- }
- ts.isCaseBlock = isCaseBlock;
- function isNamespaceExportDeclaration(node) {
- return node.kind === 252 /* NamespaceExportDeclaration */;
- }
- ts.isNamespaceExportDeclaration = isNamespaceExportDeclaration;
- function isImportEqualsDeclaration(node) {
- return node.kind === 253 /* ImportEqualsDeclaration */;
- }
- ts.isImportEqualsDeclaration = isImportEqualsDeclaration;
- function isImportDeclaration(node) {
- return node.kind === 254 /* ImportDeclaration */;
- }
- ts.isImportDeclaration = isImportDeclaration;
- function isImportClause(node) {
- return node.kind === 255 /* ImportClause */;
- }
- ts.isImportClause = isImportClause;
- function isNamespaceImport(node) {
- return node.kind === 256 /* NamespaceImport */;
- }
- ts.isNamespaceImport = isNamespaceImport;
- function isNamespaceExport(node) {
- return node.kind === 262 /* NamespaceExport */;
- }
- ts.isNamespaceExport = isNamespaceExport;
- function isNamedExportBindings(node) {
- return node.kind === 262 /* NamespaceExport */ || node.kind === 261 /* NamedExports */;
- }
- ts.isNamedExportBindings = isNamedExportBindings;
- function isNamedImports(node) {
- return node.kind === 257 /* NamedImports */;
- }
- ts.isNamedImports = isNamedImports;
- function isImportSpecifier(node) {
- return node.kind === 258 /* ImportSpecifier */;
- }
- ts.isImportSpecifier = isImportSpecifier;
- function isExportAssignment(node) {
- return node.kind === 259 /* ExportAssignment */;
- }
- ts.isExportAssignment = isExportAssignment;
- function isExportDeclaration(node) {
- return node.kind === 260 /* ExportDeclaration */;
- }
- ts.isExportDeclaration = isExportDeclaration;
- function isNamedExports(node) {
- return node.kind === 261 /* NamedExports */;
- }
- ts.isNamedExports = isNamedExports;
- function isExportSpecifier(node) {
- return node.kind === 263 /* ExportSpecifier */;
- }
- ts.isExportSpecifier = isExportSpecifier;
- function isMissingDeclaration(node) {
- return node.kind === 264 /* MissingDeclaration */;
- }
- ts.isMissingDeclaration = isMissingDeclaration;
- // Module References
- function isExternalModuleReference(node) {
- return node.kind === 265 /* ExternalModuleReference */;
- }
- ts.isExternalModuleReference = isExternalModuleReference;
- // JSX
- function isJsxElement(node) {
- return node.kind === 266 /* JsxElement */;
- }
- ts.isJsxElement = isJsxElement;
- function isJsxSelfClosingElement(node) {
- return node.kind === 267 /* JsxSelfClosingElement */;
- }
- ts.isJsxSelfClosingElement = isJsxSelfClosingElement;
- function isJsxOpeningElement(node) {
- return node.kind === 268 /* JsxOpeningElement */;
- }
- ts.isJsxOpeningElement = isJsxOpeningElement;
- function isJsxClosingElement(node) {
- return node.kind === 269 /* JsxClosingElement */;
- }
- ts.isJsxClosingElement = isJsxClosingElement;
- function isJsxFragment(node) {
- return node.kind === 270 /* JsxFragment */;
- }
- ts.isJsxFragment = isJsxFragment;
- function isJsxOpeningFragment(node) {
- return node.kind === 271 /* JsxOpeningFragment */;
- }
- ts.isJsxOpeningFragment = isJsxOpeningFragment;
- function isJsxClosingFragment(node) {
- return node.kind === 272 /* JsxClosingFragment */;
- }
- ts.isJsxClosingFragment = isJsxClosingFragment;
- function isJsxAttribute(node) {
- return node.kind === 273 /* JsxAttribute */;
- }
- ts.isJsxAttribute = isJsxAttribute;
- function isJsxAttributes(node) {
- return node.kind === 274 /* JsxAttributes */;
- }
- ts.isJsxAttributes = isJsxAttributes;
- function isJsxSpreadAttribute(node) {
- return node.kind === 275 /* JsxSpreadAttribute */;
- }
- ts.isJsxSpreadAttribute = isJsxSpreadAttribute;
- function isJsxExpression(node) {
- return node.kind === 276 /* JsxExpression */;
- }
- ts.isJsxExpression = isJsxExpression;
- // Clauses
- function isCaseClause(node) {
- return node.kind === 277 /* CaseClause */;
- }
- ts.isCaseClause = isCaseClause;
- function isDefaultClause(node) {
- return node.kind === 278 /* DefaultClause */;
- }
- ts.isDefaultClause = isDefaultClause;
- function isHeritageClause(node) {
- return node.kind === 279 /* HeritageClause */;
- }
- ts.isHeritageClause = isHeritageClause;
- function isCatchClause(node) {
- return node.kind === 280 /* CatchClause */;
- }
- ts.isCatchClause = isCatchClause;
- // Property assignments
- function isPropertyAssignment(node) {
- return node.kind === 281 /* PropertyAssignment */;
- }
- ts.isPropertyAssignment = isPropertyAssignment;
- function isShorthandPropertyAssignment(node) {
- return node.kind === 282 /* ShorthandPropertyAssignment */;
- }
- ts.isShorthandPropertyAssignment = isShorthandPropertyAssignment;
- function isSpreadAssignment(node) {
- return node.kind === 283 /* SpreadAssignment */;
- }
- ts.isSpreadAssignment = isSpreadAssignment;
- // Enum
- function isEnumMember(node) {
- return node.kind === 284 /* EnumMember */;
- }
- ts.isEnumMember = isEnumMember;
- // Top-level nodes
- function isSourceFile(node) {
- return node.kind === 290 /* SourceFile */;
- }
- ts.isSourceFile = isSourceFile;
- function isBundle(node) {
- return node.kind === 291 /* Bundle */;
- }
- ts.isBundle = isBundle;
- function isUnparsedSource(node) {
- return node.kind === 292 /* UnparsedSource */;
- }
- ts.isUnparsedSource = isUnparsedSource;
- function isUnparsedPrepend(node) {
- return node.kind === 286 /* UnparsedPrepend */;
- }
- ts.isUnparsedPrepend = isUnparsedPrepend;
- function isUnparsedTextLike(node) {
- switch (node.kind) {
- case 287 /* UnparsedText */:
- case 288 /* UnparsedInternalText */:
- return true;
- default:
- return false;
- }
- }
- ts.isUnparsedTextLike = isUnparsedTextLike;
- function isUnparsedNode(node) {
- return isUnparsedTextLike(node) ||
- node.kind === 285 /* UnparsedPrologue */ ||
- node.kind === 289 /* UnparsedSyntheticReference */;
- }
- ts.isUnparsedNode = isUnparsedNode;
- // JSDoc
- function isJSDocTypeExpression(node) {
- return node.kind === 294 /* JSDocTypeExpression */;
- }
- ts.isJSDocTypeExpression = isJSDocTypeExpression;
- function isJSDocAllType(node) {
- return node.kind === 295 /* JSDocAllType */;
- }
- ts.isJSDocAllType = isJSDocAllType;
- function isJSDocUnknownType(node) {
- return node.kind === 296 /* JSDocUnknownType */;
- }
- ts.isJSDocUnknownType = isJSDocUnknownType;
- function isJSDocNullableType(node) {
- return node.kind === 297 /* JSDocNullableType */;
- }
- ts.isJSDocNullableType = isJSDocNullableType;
- function isJSDocNonNullableType(node) {
- return node.kind === 298 /* JSDocNonNullableType */;
- }
- ts.isJSDocNonNullableType = isJSDocNonNullableType;
- function isJSDocOptionalType(node) {
- return node.kind === 299 /* JSDocOptionalType */;
- }
- ts.isJSDocOptionalType = isJSDocOptionalType;
- function isJSDocFunctionType(node) {
- return node.kind === 300 /* JSDocFunctionType */;
- }
- ts.isJSDocFunctionType = isJSDocFunctionType;
- function isJSDocVariadicType(node) {
- return node.kind === 301 /* JSDocVariadicType */;
- }
- ts.isJSDocVariadicType = isJSDocVariadicType;
- function isJSDoc(node) {
- return node.kind === 303 /* JSDocComment */;
- }
- ts.isJSDoc = isJSDoc;
- function isJSDocAuthorTag(node) {
- return node.kind === 309 /* JSDocAuthorTag */;
- }
- ts.isJSDocAuthorTag = isJSDocAuthorTag;
- function isJSDocAugmentsTag(node) {
- return node.kind === 307 /* JSDocAugmentsTag */;
- }
- ts.isJSDocAugmentsTag = isJSDocAugmentsTag;
- function isJSDocImplementsTag(node) {
- return node.kind === 308 /* JSDocImplementsTag */;
- }
- ts.isJSDocImplementsTag = isJSDocImplementsTag;
- function isJSDocClassTag(node) {
- return node.kind === 310 /* JSDocClassTag */;
- }
- ts.isJSDocClassTag = isJSDocClassTag;
- function isJSDocPublicTag(node) {
- return node.kind === 311 /* JSDocPublicTag */;
- }
- ts.isJSDocPublicTag = isJSDocPublicTag;
- function isJSDocPrivateTag(node) {
- return node.kind === 312 /* JSDocPrivateTag */;
- }
- ts.isJSDocPrivateTag = isJSDocPrivateTag;
- function isJSDocProtectedTag(node) {
- return node.kind === 313 /* JSDocProtectedTag */;
- }
- ts.isJSDocProtectedTag = isJSDocProtectedTag;
- function isJSDocReadonlyTag(node) {
- return node.kind === 314 /* JSDocReadonlyTag */;
- }
- ts.isJSDocReadonlyTag = isJSDocReadonlyTag;
- function isJSDocEnumTag(node) {
- return node.kind === 316 /* JSDocEnumTag */;
- }
- ts.isJSDocEnumTag = isJSDocEnumTag;
- function isJSDocThisTag(node) {
- return node.kind === 319 /* JSDocThisTag */;
- }
- ts.isJSDocThisTag = isJSDocThisTag;
- function isJSDocParameterTag(node) {
- return node.kind === 317 /* JSDocParameterTag */;
- }
- ts.isJSDocParameterTag = isJSDocParameterTag;
- function isJSDocReturnTag(node) {
- return node.kind === 318 /* JSDocReturnTag */;
- }
- ts.isJSDocReturnTag = isJSDocReturnTag;
- function isJSDocTypeTag(node) {
- return node.kind === 320 /* JSDocTypeTag */;
- }
- ts.isJSDocTypeTag = isJSDocTypeTag;
- function isJSDocTemplateTag(node) {
- return node.kind === 321 /* JSDocTemplateTag */;
- }
- ts.isJSDocTemplateTag = isJSDocTemplateTag;
- function isJSDocTypedefTag(node) {
- return node.kind === 322 /* JSDocTypedefTag */;
- }
- ts.isJSDocTypedefTag = isJSDocTypedefTag;
- function isJSDocPropertyTag(node) {
- return node.kind === 323 /* JSDocPropertyTag */;
- }
- ts.isJSDocPropertyTag = isJSDocPropertyTag;
- function isJSDocPropertyLikeTag(node) {
- return node.kind === 323 /* JSDocPropertyTag */ || node.kind === 317 /* JSDocParameterTag */;
- }
- ts.isJSDocPropertyLikeTag = isJSDocPropertyLikeTag;
- function isJSDocTypeLiteral(node) {
- return node.kind === 304 /* JSDocTypeLiteral */;
- }
- ts.isJSDocTypeLiteral = isJSDocTypeLiteral;
- function isJSDocCallbackTag(node) {
- return node.kind === 315 /* JSDocCallbackTag */;
- }
- ts.isJSDocCallbackTag = isJSDocCallbackTag;
- function isJSDocSignature(node) {
- return node.kind === 305 /* JSDocSignature */;
- }
- ts.isJSDocSignature = isJSDocSignature;
- // #endregion
- // #region
- // Node tests
- //
- // All node tests in the following list should *not* reference parent pointers so that
- // they may be used with transformations.
- /* @internal */
- function isSyntaxList(n) {
- return n.kind === 324 /* SyntaxList */;
- }
- ts.isSyntaxList = isSyntaxList;
- /* @internal */
- function isNode(node) {
- return isNodeKind(node.kind);
- }
- ts.isNode = isNode;
- /* @internal */
- function isNodeKind(kind) {
- return kind >= 153 /* FirstNode */;
- }
- ts.isNodeKind = isNodeKind;
- /**
- * True if node is of some token syntax kind.
- * For example, this is true for an IfKeyword but not for an IfStatement.
- * Literals are considered tokens, except TemplateLiteral, but does include TemplateHead/Middle/Tail.
- */
- function isToken(n) {
- return n.kind >= 0 /* FirstToken */ && n.kind <= 152 /* LastToken */;
- }
- ts.isToken = isToken;
- // Node Arrays
- /* @internal */
- function isNodeArray(array) {
- return array.hasOwnProperty("pos") && array.hasOwnProperty("end");
- }
- ts.isNodeArray = isNodeArray;
- // Literals
- /* @internal */
- function isLiteralKind(kind) {
- return 8 /* FirstLiteralToken */ <= kind && kind <= 14 /* LastLiteralToken */;
- }
- ts.isLiteralKind = isLiteralKind;
- function isLiteralExpression(node) {
- return isLiteralKind(node.kind);
- }
- ts.isLiteralExpression = isLiteralExpression;
- // Pseudo-literals
- /* @internal */
- function isTemplateLiteralKind(kind) {
- return 14 /* FirstTemplateToken */ <= kind && kind <= 17 /* LastTemplateToken */;
- }
- ts.isTemplateLiteralKind = isTemplateLiteralKind;
- function isTemplateLiteralToken(node) {
- return isTemplateLiteralKind(node.kind);
- }
- ts.isTemplateLiteralToken = isTemplateLiteralToken;
- function isTemplateMiddleOrTemplateTail(node) {
- var kind = node.kind;
- return kind === 16 /* TemplateMiddle */
- || kind === 17 /* TemplateTail */;
- }
- ts.isTemplateMiddleOrTemplateTail = isTemplateMiddleOrTemplateTail;
- function isImportOrExportSpecifier(node) {
- return isImportSpecifier(node) || isExportSpecifier(node);
- }
- ts.isImportOrExportSpecifier = isImportOrExportSpecifier;
- function isTypeOnlyImportOrExportDeclaration(node) {
- switch (node.kind) {
- case 258 /* ImportSpecifier */:
- case 263 /* ExportSpecifier */:
- return node.parent.parent.isTypeOnly;
- case 256 /* NamespaceImport */:
- return node.parent.isTypeOnly;
- case 255 /* ImportClause */:
- return node.isTypeOnly;
- default:
- return false;
- }
- }
- ts.isTypeOnlyImportOrExportDeclaration = isTypeOnlyImportOrExportDeclaration;
- function isStringTextContainingNode(node) {
- return node.kind === 10 /* StringLiteral */ || isTemplateLiteralKind(node.kind);
- }
- ts.isStringTextContainingNode = isStringTextContainingNode;
- // Identifiers
- /* @internal */
- function isGeneratedIdentifier(node) {
- return isIdentifier(node) && (node.autoGenerateFlags & 7 /* KindMask */) > 0 /* None */;
- }
- ts.isGeneratedIdentifier = isGeneratedIdentifier;
- // Private Identifiers
- /*@internal*/
- function isPrivateIdentifierPropertyDeclaration(node) {
- return isPropertyDeclaration(node) && isPrivateIdentifier(node.name);
- }
- ts.isPrivateIdentifierPropertyDeclaration = isPrivateIdentifierPropertyDeclaration;
- /*@internal*/
- function isPrivateIdentifierPropertyAccessExpression(node) {
- return isPropertyAccessExpression(node) && isPrivateIdentifier(node.name);
- }
- ts.isPrivateIdentifierPropertyAccessExpression = isPrivateIdentifierPropertyAccessExpression;
- // Keywords
- /* @internal */
- function isModifierKind(token) {
- switch (token) {
- case 122 /* AbstractKeyword */:
- case 126 /* AsyncKeyword */:
- case 81 /* ConstKeyword */:
- case 130 /* DeclareKeyword */:
- case 84 /* DefaultKeyword */:
- case 89 /* ExportKeyword */:
- case 119 /* PublicKeyword */:
- case 117 /* PrivateKeyword */:
- case 118 /* ProtectedKeyword */:
- case 138 /* ReadonlyKeyword */:
- case 120 /* StaticKeyword */:
- return true;
- }
- return false;
- }
- ts.isModifierKind = isModifierKind;
- /* @internal */
- function isParameterPropertyModifier(kind) {
- return !!(ts.modifierToFlag(kind) & 92 /* ParameterPropertyModifier */);
- }
- ts.isParameterPropertyModifier = isParameterPropertyModifier;
- /* @internal */
- function isClassMemberModifier(idToken) {
- return isParameterPropertyModifier(idToken) || idToken === 120 /* StaticKeyword */;
- }
- ts.isClassMemberModifier = isClassMemberModifier;
- function isModifier(node) {
- return isModifierKind(node.kind);
- }
- ts.isModifier = isModifier;
- function isEntityName(node) {
- var kind = node.kind;
- return kind === 153 /* QualifiedName */
- || kind === 75 /* Identifier */;
- }
- ts.isEntityName = isEntityName;
- function isPropertyName(node) {
- var kind = node.kind;
- return kind === 75 /* Identifier */
- || kind === 76 /* PrivateIdentifier */
- || kind === 10 /* StringLiteral */
- || kind === 8 /* NumericLiteral */
- || kind === 154 /* ComputedPropertyName */;
- }
- ts.isPropertyName = isPropertyName;
- function isBindingName(node) {
- var kind = node.kind;
- return kind === 75 /* Identifier */
- || kind === 189 /* ObjectBindingPattern */
- || kind === 190 /* ArrayBindingPattern */;
- }
- ts.isBindingName = isBindingName;
- // Functions
- function isFunctionLike(node) {
- return node && isFunctionLikeKind(node.kind);
- }
- ts.isFunctionLike = isFunctionLike;
- /* @internal */
- function isFunctionLikeDeclaration(node) {
- return node && isFunctionLikeDeclarationKind(node.kind);
- }
- ts.isFunctionLikeDeclaration = isFunctionLikeDeclaration;
- function isFunctionLikeDeclarationKind(kind) {
- switch (kind) {
- case 244 /* FunctionDeclaration */:
- case 161 /* MethodDeclaration */:
- case 162 /* Constructor */:
- case 163 /* GetAccessor */:
- case 164 /* SetAccessor */:
- case 201 /* FunctionExpression */:
- case 202 /* ArrowFunction */:
- return true;
- default:
- return false;
- }
- }
- /* @internal */
- function isFunctionLikeKind(kind) {
- switch (kind) {
- case 160 /* MethodSignature */:
- case 165 /* CallSignature */:
- case 305 /* JSDocSignature */:
- case 166 /* ConstructSignature */:
- case 167 /* IndexSignature */:
- case 170 /* FunctionType */:
- case 300 /* JSDocFunctionType */:
- case 171 /* ConstructorType */:
- return true;
- default:
- return isFunctionLikeDeclarationKind(kind);
- }
- }
- ts.isFunctionLikeKind = isFunctionLikeKind;
- /* @internal */
- function isFunctionOrModuleBlock(node) {
- return isSourceFile(node) || isModuleBlock(node) || isBlock(node) && isFunctionLike(node.parent);
- }
- ts.isFunctionOrModuleBlock = isFunctionOrModuleBlock;
- // Classes
- function isClassElement(node) {
- var kind = node.kind;
- return kind === 162 /* Constructor */
- || kind === 159 /* PropertyDeclaration */
- || kind === 161 /* MethodDeclaration */
- || kind === 163 /* GetAccessor */
- || kind === 164 /* SetAccessor */
- || kind === 167 /* IndexSignature */
- || kind === 222 /* SemicolonClassElement */;
- }
- ts.isClassElement = isClassElement;
- function isClassLike(node) {
- return node && (node.kind === 245 /* ClassDeclaration */ || node.kind === 214 /* ClassExpression */);
- }
- ts.isClassLike = isClassLike;
- function isAccessor(node) {
- return node && (node.kind === 163 /* GetAccessor */ || node.kind === 164 /* SetAccessor */);
- }
- ts.isAccessor = isAccessor;
- /* @internal */
- function isMethodOrAccessor(node) {
- switch (node.kind) {
- case 161 /* MethodDeclaration */:
- case 163 /* GetAccessor */:
- case 164 /* SetAccessor */:
- return true;
- default:
- return false;
- }
- }
- ts.isMethodOrAccessor = isMethodOrAccessor;
- // Type members
- function isTypeElement(node) {
- var kind = node.kind;
- return kind === 166 /* ConstructSignature */
- || kind === 165 /* CallSignature */
- || kind === 158 /* PropertySignature */
- || kind === 160 /* MethodSignature */
- || kind === 167 /* IndexSignature */;
- }
- ts.isTypeElement = isTypeElement;
- function isClassOrTypeElement(node) {
- return isTypeElement(node) || isClassElement(node);
- }
- ts.isClassOrTypeElement = isClassOrTypeElement;
- function isObjectLiteralElementLike(node) {
- var kind = node.kind;
- return kind === 281 /* PropertyAssignment */
- || kind === 282 /* ShorthandPropertyAssignment */
- || kind === 283 /* SpreadAssignment */
- || kind === 161 /* MethodDeclaration */
- || kind === 163 /* GetAccessor */
- || kind === 164 /* SetAccessor */;
- }
- ts.isObjectLiteralElementLike = isObjectLiteralElementLike;
- // Type
- /**
- * Node test that determines whether a node is a valid type node.
- * This differs from the `isPartOfTypeNode` function which determines whether a node is *part*
- * of a TypeNode.
- */
- function isTypeNode(node) {
- return ts.isTypeNodeKind(node.kind);
- }
- ts.isTypeNode = isTypeNode;
- function isFunctionOrConstructorTypeNode(node) {
- switch (node.kind) {
- case 170 /* FunctionType */:
- case 171 /* ConstructorType */:
- return true;
- }
- return false;
- }
- ts.isFunctionOrConstructorTypeNode = isFunctionOrConstructorTypeNode;
- // Binding patterns
- /* @internal */
- function isBindingPattern(node) {
- if (node) {
- var kind = node.kind;
- return kind === 190 /* ArrayBindingPattern */
- || kind === 189 /* ObjectBindingPattern */;
- }
- return false;
- }
- ts.isBindingPattern = isBindingPattern;
- /* @internal */
- function isAssignmentPattern(node) {
- var kind = node.kind;
- return kind === 192 /* ArrayLiteralExpression */
- || kind === 193 /* ObjectLiteralExpression */;
- }
- ts.isAssignmentPattern = isAssignmentPattern;
- /* @internal */
- function isArrayBindingElement(node) {
- var kind = node.kind;
- return kind === 191 /* BindingElement */
- || kind === 215 /* OmittedExpression */;
- }
- ts.isArrayBindingElement = isArrayBindingElement;
- /**
- * Determines whether the BindingOrAssignmentElement is a BindingElement-like declaration
- */
- /* @internal */
- function isDeclarationBindingElement(bindingElement) {
- switch (bindingElement.kind) {
- case 242 /* VariableDeclaration */:
- case 156 /* Parameter */:
- case 191 /* BindingElement */:
- return true;
- }
- return false;
- }
- ts.isDeclarationBindingElement = isDeclarationBindingElement;
- /**
- * Determines whether a node is a BindingOrAssignmentPattern
- */
- /* @internal */
- function isBindingOrAssignmentPattern(node) {
- return isObjectBindingOrAssignmentPattern(node)
- || isArrayBindingOrAssignmentPattern(node);
- }
- ts.isBindingOrAssignmentPattern = isBindingOrAssignmentPattern;
- /**
- * Determines whether a node is an ObjectBindingOrAssignmentPattern
- */
- /* @internal */
- function isObjectBindingOrAssignmentPattern(node) {
- switch (node.kind) {
- case 189 /* ObjectBindingPattern */:
- case 193 /* ObjectLiteralExpression */:
- return true;
- }
- return false;
- }
- ts.isObjectBindingOrAssignmentPattern = isObjectBindingOrAssignmentPattern;
- /**
- * Determines whether a node is an ArrayBindingOrAssignmentPattern
- */
- /* @internal */
- function isArrayBindingOrAssignmentPattern(node) {
- switch (node.kind) {
- case 190 /* ArrayBindingPattern */:
- case 192 /* ArrayLiteralExpression */:
- return true;
- }
- return false;
- }
- ts.isArrayBindingOrAssignmentPattern = isArrayBindingOrAssignmentPattern;
- /* @internal */
- function isPropertyAccessOrQualifiedNameOrImportTypeNode(node) {
- var kind = node.kind;
- return kind === 194 /* PropertyAccessExpression */
- || kind === 153 /* QualifiedName */
- || kind === 188 /* ImportType */;
- }
- ts.isPropertyAccessOrQualifiedNameOrImportTypeNode = isPropertyAccessOrQualifiedNameOrImportTypeNode;
- // Expression
- function isPropertyAccessOrQualifiedName(node) {
- var kind = node.kind;
- return kind === 194 /* PropertyAccessExpression */
- || kind === 153 /* QualifiedName */;
- }
- ts.isPropertyAccessOrQualifiedName = isPropertyAccessOrQualifiedName;
- function isCallLikeExpression(node) {
- switch (node.kind) {
- case 268 /* JsxOpeningElement */:
- case 267 /* JsxSelfClosingElement */:
- case 196 /* CallExpression */:
- case 197 /* NewExpression */:
- case 198 /* TaggedTemplateExpression */:
- case 157 /* Decorator */:
- return true;
- default:
- return false;
- }
- }
- ts.isCallLikeExpression = isCallLikeExpression;
- function isCallOrNewExpression(node) {
- return node.kind === 196 /* CallExpression */ || node.kind === 197 /* NewExpression */;
- }
- ts.isCallOrNewExpression = isCallOrNewExpression;
- function isTemplateLiteral(node) {
- var kind = node.kind;
- return kind === 211 /* TemplateExpression */
- || kind === 14 /* NoSubstitutionTemplateLiteral */;
- }
- ts.isTemplateLiteral = isTemplateLiteral;
- /* @internal */
- function isLeftHandSideExpression(node) {
- return isLeftHandSideExpressionKind(skipPartiallyEmittedExpressions(node).kind);
- }
- ts.isLeftHandSideExpression = isLeftHandSideExpression;
- function isLeftHandSideExpressionKind(kind) {
- switch (kind) {
- case 194 /* PropertyAccessExpression */:
- case 195 /* ElementAccessExpression */:
- case 197 /* NewExpression */:
- case 196 /* CallExpression */:
- case 266 /* JsxElement */:
- case 267 /* JsxSelfClosingElement */:
- case 270 /* JsxFragment */:
- case 198 /* TaggedTemplateExpression */:
- case 192 /* ArrayLiteralExpression */:
- case 200 /* ParenthesizedExpression */:
- case 193 /* ObjectLiteralExpression */:
- case 214 /* ClassExpression */:
- case 201 /* FunctionExpression */:
- case 75 /* Identifier */:
- case 13 /* RegularExpressionLiteral */:
- case 8 /* NumericLiteral */:
- case 9 /* BigIntLiteral */:
- case 10 /* StringLiteral */:
- case 14 /* NoSubstitutionTemplateLiteral */:
- case 211 /* TemplateExpression */:
- case 91 /* FalseKeyword */:
- case 100 /* NullKeyword */:
- case 104 /* ThisKeyword */:
- case 106 /* TrueKeyword */:
- case 102 /* SuperKeyword */:
- case 218 /* NonNullExpression */:
- case 219 /* MetaProperty */:
- case 96 /* ImportKeyword */: // technically this is only an Expression if it's in a CallExpression
- return true;
- default:
- return false;
- }
- }
- /* @internal */
- function isUnaryExpression(node) {
- return isUnaryExpressionKind(skipPartiallyEmittedExpressions(node).kind);
- }
- ts.isUnaryExpression = isUnaryExpression;
- function isUnaryExpressionKind(kind) {
- switch (kind) {
- case 207 /* PrefixUnaryExpression */:
- case 208 /* PostfixUnaryExpression */:
- case 203 /* DeleteExpression */:
- case 204 /* TypeOfExpression */:
- case 205 /* VoidExpression */:
- case 206 /* AwaitExpression */:
- case 199 /* TypeAssertionExpression */:
- return true;
- default:
- return isLeftHandSideExpressionKind(kind);
- }
- }
- /* @internal */
- function isUnaryExpressionWithWrite(expr) {
- switch (expr.kind) {
- case 208 /* PostfixUnaryExpression */:
- return true;
- case 207 /* PrefixUnaryExpression */:
- return expr.operator === 45 /* PlusPlusToken */ ||
- expr.operator === 46 /* MinusMinusToken */;
- default:
- return false;
- }
- }
- ts.isUnaryExpressionWithWrite = isUnaryExpressionWithWrite;
- /* @internal */
- /**
- * Determines whether a node is an expression based only on its kind.
- * Use `isExpressionNode` if not in transforms.
- */
- function isExpression(node) {
- return isExpressionKind(skipPartiallyEmittedExpressions(node).kind);
- }
- ts.isExpression = isExpression;
- function isExpressionKind(kind) {
- switch (kind) {
- case 210 /* ConditionalExpression */:
- case 212 /* YieldExpression */:
- case 202 /* ArrowFunction */:
- case 209 /* BinaryExpression */:
- case 213 /* SpreadElement */:
- case 217 /* AsExpression */:
- case 215 /* OmittedExpression */:
- case 327 /* CommaListExpression */:
- case 326 /* PartiallyEmittedExpression */:
- return true;
- default:
- return isUnaryExpressionKind(kind);
- }
- }
- function isAssertionExpression(node) {
- var kind = node.kind;
- return kind === 199 /* TypeAssertionExpression */
- || kind === 217 /* AsExpression */;
- }
- ts.isAssertionExpression = isAssertionExpression;
- /* @internal */
- function isPartiallyEmittedExpression(node) {
- return node.kind === 326 /* PartiallyEmittedExpression */;
- }
- ts.isPartiallyEmittedExpression = isPartiallyEmittedExpression;
- /* @internal */
- function isNotEmittedStatement(node) {
- return node.kind === 325 /* NotEmittedStatement */;
- }
- ts.isNotEmittedStatement = isNotEmittedStatement;
- /* @internal */
- function isSyntheticReference(node) {
- return node.kind === 330 /* SyntheticReferenceExpression */;
- }
- ts.isSyntheticReference = isSyntheticReference;
- /* @internal */
- function isNotEmittedOrPartiallyEmittedNode(node) {
- return isNotEmittedStatement(node)
- || isPartiallyEmittedExpression(node);
- }
- ts.isNotEmittedOrPartiallyEmittedNode = isNotEmittedOrPartiallyEmittedNode;
- function isIterationStatement(node, lookInLabeledStatements) {
- switch (node.kind) {
- case 230 /* ForStatement */:
- case 231 /* ForInStatement */:
- case 232 /* ForOfStatement */:
- case 228 /* DoStatement */:
- case 229 /* WhileStatement */:
- return true;
- case 238 /* LabeledStatement */:
- return lookInLabeledStatements && isIterationStatement(node.statement, lookInLabeledStatements);
- }
- return false;
- }
- ts.isIterationStatement = isIterationStatement;
- /* @internal */
- function isScopeMarker(node) {
- return isExportAssignment(node) || isExportDeclaration(node);
- }
- ts.isScopeMarker = isScopeMarker;
- /* @internal */
- function hasScopeMarker(statements) {
- return ts.some(statements, isScopeMarker);
- }
- ts.hasScopeMarker = hasScopeMarker;
- /* @internal */
- function needsScopeMarker(result) {
- return !ts.isAnyImportOrReExport(result) && !isExportAssignment(result) && !ts.hasModifier(result, 1 /* Export */) && !ts.isAmbientModule(result);
- }
- ts.needsScopeMarker = needsScopeMarker;
- /* @internal */
- function isExternalModuleIndicator(result) {
- // Exported top-level member indicates moduleness
- return ts.isAnyImportOrReExport(result) || isExportAssignment(result) || ts.hasModifier(result, 1 /* Export */);
- }
- ts.isExternalModuleIndicator = isExternalModuleIndicator;
- /* @internal */
- function isForInOrOfStatement(node) {
- return node.kind === 231 /* ForInStatement */ || node.kind === 232 /* ForOfStatement */;
- }
- ts.isForInOrOfStatement = isForInOrOfStatement;
- // Element
- /* @internal */
- function isConciseBody(node) {
- return isBlock(node)
- || isExpression(node);
- }
- ts.isConciseBody = isConciseBody;
- /* @internal */
- function isFunctionBody(node) {
- return isBlock(node);
- }
- ts.isFunctionBody = isFunctionBody;
- /* @internal */
- function isForInitializer(node) {
- return isVariableDeclarationList(node)
- || isExpression(node);
- }
- ts.isForInitializer = isForInitializer;
- /* @internal */
- function isModuleBody(node) {
- var kind = node.kind;
- return kind === 250 /* ModuleBlock */
- || kind === 249 /* ModuleDeclaration */
- || kind === 75 /* Identifier */;
- }
- ts.isModuleBody = isModuleBody;
- /* @internal */
- function isNamespaceBody(node) {
- var kind = node.kind;
- return kind === 250 /* ModuleBlock */
- || kind === 249 /* ModuleDeclaration */;
- }
- ts.isNamespaceBody = isNamespaceBody;
- /* @internal */
- function isJSDocNamespaceBody(node) {
- var kind = node.kind;
- return kind === 75 /* Identifier */
- || kind === 249 /* ModuleDeclaration */;
- }
- ts.isJSDocNamespaceBody = isJSDocNamespaceBody;
- /* @internal */
- function isNamedImportBindings(node) {
- var kind = node.kind;
- return kind === 257 /* NamedImports */
- || kind === 256 /* NamespaceImport */;
- }
- ts.isNamedImportBindings = isNamedImportBindings;
- /* @internal */
- function isModuleOrEnumDeclaration(node) {
- return node.kind === 249 /* ModuleDeclaration */ || node.kind === 248 /* EnumDeclaration */;
- }
- ts.isModuleOrEnumDeclaration = isModuleOrEnumDeclaration;
- function isDeclarationKind(kind) {
- return kind === 202 /* ArrowFunction */
- || kind === 191 /* BindingElement */
- || kind === 245 /* ClassDeclaration */
- || kind === 214 /* ClassExpression */
- || kind === 162 /* Constructor */
- || kind === 248 /* EnumDeclaration */
- || kind === 284 /* EnumMember */
- || kind === 263 /* ExportSpecifier */
- || kind === 244 /* FunctionDeclaration */
- || kind === 201 /* FunctionExpression */
- || kind === 163 /* GetAccessor */
- || kind === 255 /* ImportClause */
- || kind === 253 /* ImportEqualsDeclaration */
- || kind === 258 /* ImportSpecifier */
- || kind === 246 /* InterfaceDeclaration */
- || kind === 273 /* JsxAttribute */
- || kind === 161 /* MethodDeclaration */
- || kind === 160 /* MethodSignature */
- || kind === 249 /* ModuleDeclaration */
- || kind === 252 /* NamespaceExportDeclaration */
- || kind === 256 /* NamespaceImport */
- || kind === 262 /* NamespaceExport */
- || kind === 156 /* Parameter */
- || kind === 281 /* PropertyAssignment */
- || kind === 159 /* PropertyDeclaration */
- || kind === 158 /* PropertySignature */
- || kind === 164 /* SetAccessor */
- || kind === 282 /* ShorthandPropertyAssignment */
- || kind === 247 /* TypeAliasDeclaration */
- || kind === 155 /* TypeParameter */
- || kind === 242 /* VariableDeclaration */
- || kind === 322 /* JSDocTypedefTag */
- || kind === 315 /* JSDocCallbackTag */
- || kind === 323 /* JSDocPropertyTag */;
- }
- function isDeclarationStatementKind(kind) {
- return kind === 244 /* FunctionDeclaration */
- || kind === 264 /* MissingDeclaration */
- || kind === 245 /* ClassDeclaration */
- || kind === 246 /* InterfaceDeclaration */
- || kind === 247 /* TypeAliasDeclaration */
- || kind === 248 /* EnumDeclaration */
- || kind === 249 /* ModuleDeclaration */
- || kind === 254 /* ImportDeclaration */
- || kind === 253 /* ImportEqualsDeclaration */
- || kind === 260 /* ExportDeclaration */
- || kind === 259 /* ExportAssignment */
- || kind === 252 /* NamespaceExportDeclaration */;
- }
- function isStatementKindButNotDeclarationKind(kind) {
- return kind === 234 /* BreakStatement */
- || kind === 233 /* ContinueStatement */
- || kind === 241 /* DebuggerStatement */
- || kind === 228 /* DoStatement */
- || kind === 226 /* ExpressionStatement */
- || kind === 224 /* EmptyStatement */
- || kind === 231 /* ForInStatement */
- || kind === 232 /* ForOfStatement */
- || kind === 230 /* ForStatement */
- || kind === 227 /* IfStatement */
- || kind === 238 /* LabeledStatement */
- || kind === 235 /* ReturnStatement */
- || kind === 237 /* SwitchStatement */
- || kind === 239 /* ThrowStatement */
- || kind === 240 /* TryStatement */
- || kind === 225 /* VariableStatement */
- || kind === 229 /* WhileStatement */
- || kind === 236 /* WithStatement */
- || kind === 325 /* NotEmittedStatement */
- || kind === 329 /* EndOfDeclarationMarker */
- || kind === 328 /* MergeDeclarationMarker */;
- }
- /* @internal */
- function isDeclaration(node) {
- if (node.kind === 155 /* TypeParameter */) {
- return (node.parent && node.parent.kind !== 321 /* JSDocTemplateTag */) || ts.isInJSFile(node);
- }
- return isDeclarationKind(node.kind);
- }
- ts.isDeclaration = isDeclaration;
- /* @internal */
- function isDeclarationStatement(node) {
- return isDeclarationStatementKind(node.kind);
- }
- ts.isDeclarationStatement = isDeclarationStatement;
- /**
- * Determines whether the node is a statement that is not also a declaration
- */
- /* @internal */
- function isStatementButNotDeclaration(node) {
- return isStatementKindButNotDeclarationKind(node.kind);
- }
- ts.isStatementButNotDeclaration = isStatementButNotDeclaration;
- /* @internal */
- function isStatement(node) {
- var kind = node.kind;
- return isStatementKindButNotDeclarationKind(kind)
- || isDeclarationStatementKind(kind)
- || isBlockStatement(node);
- }
- ts.isStatement = isStatement;
- function isBlockStatement(node) {
- if (node.kind !== 223 /* Block */)
- return false;
- if (node.parent !== undefined) {
- if (node.parent.kind === 240 /* TryStatement */ || node.parent.kind === 280 /* CatchClause */) {
- return false;
- }
- }
- return !ts.isFunctionBlock(node);
- }
- // Module references
- /* @internal */
- function isModuleReference(node) {
- var kind = node.kind;
- return kind === 265 /* ExternalModuleReference */
- || kind === 153 /* QualifiedName */
- || kind === 75 /* Identifier */;
- }
- ts.isModuleReference = isModuleReference;
- // JSX
- /* @internal */
- function isJsxTagNameExpression(node) {
- var kind = node.kind;
- return kind === 104 /* ThisKeyword */
- || kind === 75 /* Identifier */
- || kind === 194 /* PropertyAccessExpression */;
- }
- ts.isJsxTagNameExpression = isJsxTagNameExpression;
- /* @internal */
- function isJsxChild(node) {
- var kind = node.kind;
- return kind === 266 /* JsxElement */
- || kind === 276 /* JsxExpression */
- || kind === 267 /* JsxSelfClosingElement */
- || kind === 11 /* JsxText */
- || kind === 270 /* JsxFragment */;
- }
- ts.isJsxChild = isJsxChild;
- /* @internal */
- function isJsxAttributeLike(node) {
- var kind = node.kind;
- return kind === 273 /* JsxAttribute */
- || kind === 275 /* JsxSpreadAttribute */;
- }
- ts.isJsxAttributeLike = isJsxAttributeLike;
- /* @internal */
- function isStringLiteralOrJsxExpression(node) {
- var kind = node.kind;
- return kind === 10 /* StringLiteral */
- || kind === 276 /* JsxExpression */;
- }
- ts.isStringLiteralOrJsxExpression = isStringLiteralOrJsxExpression;
- function isJsxOpeningLikeElement(node) {
- var kind = node.kind;
- return kind === 268 /* JsxOpeningElement */
- || kind === 267 /* JsxSelfClosingElement */;
- }
- ts.isJsxOpeningLikeElement = isJsxOpeningLikeElement;
- // Clauses
- function isCaseOrDefaultClause(node) {
- var kind = node.kind;
- return kind === 277 /* CaseClause */
- || kind === 278 /* DefaultClause */;
- }
- ts.isCaseOrDefaultClause = isCaseOrDefaultClause;
- // JSDoc
- /** True if node is of some JSDoc syntax kind. */
- /* @internal */
- function isJSDocNode(node) {
- return node.kind >= 294 /* FirstJSDocNode */ && node.kind <= 323 /* LastJSDocNode */;
- }
- ts.isJSDocNode = isJSDocNode;
- /** True if node is of a kind that may contain comment text. */
- function isJSDocCommentContainingNode(node) {
- return node.kind === 303 /* JSDocComment */ || node.kind === 302 /* JSDocNamepathType */ || isJSDocTag(node) || isJSDocTypeLiteral(node) || isJSDocSignature(node);
- }
- ts.isJSDocCommentContainingNode = isJSDocCommentContainingNode;
- // TODO: determine what this does before making it public.
- /* @internal */
- function isJSDocTag(node) {
- return node.kind >= 306 /* FirstJSDocTagNode */ && node.kind <= 323 /* LastJSDocTagNode */;
- }
- ts.isJSDocTag = isJSDocTag;
- function isSetAccessor(node) {
- return node.kind === 164 /* SetAccessor */;
- }
- ts.isSetAccessor = isSetAccessor;
- function isGetAccessor(node) {
- return node.kind === 163 /* GetAccessor */;
- }
- ts.isGetAccessor = isGetAccessor;
- /** True if has jsdoc nodes attached to it. */
- /* @internal */
- // TODO: GH#19856 Would like to return `node is Node & { jsDoc: JSDoc[] }` but it causes long compile times
- function hasJSDocNodes(node) {
- var jsDoc = node.jsDoc;
- return !!jsDoc && jsDoc.length > 0;
- }
- ts.hasJSDocNodes = hasJSDocNodes;
- /** True if has type node attached to it. */
- /* @internal */
- function hasType(node) {
- return !!node.type;
- }
- ts.hasType = hasType;
- /** True if has initializer node attached to it. */
- /* @internal */
- function hasInitializer(node) {
- return !!node.initializer;
- }
- ts.hasInitializer = hasInitializer;
- /** True if has initializer node attached to it. */
- function hasOnlyExpressionInitializer(node) {
- switch (node.kind) {
- case 242 /* VariableDeclaration */:
- case 156 /* Parameter */:
- case 191 /* BindingElement */:
- case 158 /* PropertySignature */:
- case 159 /* PropertyDeclaration */:
- case 281 /* PropertyAssignment */:
- case 284 /* EnumMember */:
- return true;
- default:
- return false;
- }
- }
- ts.hasOnlyExpressionInitializer = hasOnlyExpressionInitializer;
- function isObjectLiteralElement(node) {
- return node.kind === 273 /* JsxAttribute */ || node.kind === 275 /* JsxSpreadAttribute */ || isObjectLiteralElementLike(node);
- }
- ts.isObjectLiteralElement = isObjectLiteralElement;
- /* @internal */
- function isTypeReferenceType(node) {
- return node.kind === 169 /* TypeReference */ || node.kind === 216 /* ExpressionWithTypeArguments */;
- }
- ts.isTypeReferenceType = isTypeReferenceType;
- var MAX_SMI_X86 = 1073741823;
- /* @internal */
- function guessIndentation(lines) {
- var indentation = MAX_SMI_X86;
- for (var _i = 0, lines_1 = lines; _i < lines_1.length; _i++) {
- var line = lines_1[_i];
- if (!line.length) {
- continue;
- }
- var i = 0;
- for (; i < line.length && i < indentation; i++) {
- if (!ts.isWhiteSpaceLike(line.charCodeAt(i))) {
- break;
- }
- }
- if (i < indentation) {
- indentation = i;
- }
- if (indentation === 0) {
- return 0;
- }
- }
- return indentation === MAX_SMI_X86 ? undefined : indentation;
- }
- ts.guessIndentation = guessIndentation;
- function isStringLiteralLike(node) {
- return node.kind === 10 /* StringLiteral */ || node.kind === 14 /* NoSubstitutionTemplateLiteral */;
- }
- ts.isStringLiteralLike = isStringLiteralLike;
- // #endregion
-})(ts || (ts = {}));
-/* @internal */
-var ts;
-(function (ts) {
- ts.resolvingEmptyArray = [];
- ts.emptyMap = ts.createMap();
- ts.emptyUnderscoreEscapedMap = ts.emptyMap;
- ts.externalHelpersModuleNameText = "tslib";
- ts.defaultMaximumTruncationLength = 160;
- ts.noTruncationMaximumTruncationLength = 1000000;
- function getDeclarationOfKind(symbol, kind) {
- var declarations = symbol.declarations;
- if (declarations) {
- for (var _i = 0, declarations_1 = declarations; _i < declarations_1.length; _i++) {
- var declaration = declarations_1[_i];
- if (declaration.kind === kind) {
- return declaration;
- }
- }
- }
- return undefined;
- }
- ts.getDeclarationOfKind = getDeclarationOfKind;
- /** Create a new escaped identifier map. */
- function createUnderscoreEscapedMap() {
- return new ts.Map();
- }
- ts.createUnderscoreEscapedMap = createUnderscoreEscapedMap;
- function hasEntries(map) {
- return !!map && !!map.size;
- }
- ts.hasEntries = hasEntries;
- function createSymbolTable(symbols) {
- var result = ts.createMap();
- if (symbols) {
- for (var _i = 0, symbols_1 = symbols; _i < symbols_1.length; _i++) {
- var symbol = symbols_1[_i];
- result.set(symbol.escapedName, symbol);
- }
- }
- return result;
- }
- ts.createSymbolTable = createSymbolTable;
- function isTransientSymbol(symbol) {
- return (symbol.flags & 33554432 /* Transient */) !== 0;
- }
- ts.isTransientSymbol = isTransientSymbol;
- var stringWriter = createSingleLineStringWriter();
- function createSingleLineStringWriter() {
- var str = "";
- var writeText = function (text) { return str += text; };
- return {
- getText: function () { return str; },
- write: writeText,
- rawWrite: writeText,
- writeKeyword: writeText,
- writeOperator: writeText,
- writePunctuation: writeText,
- writeSpace: writeText,
- writeStringLiteral: writeText,
- writeLiteral: writeText,
- writeParameter: writeText,
- writeProperty: writeText,
- writeSymbol: function (s, _) { return writeText(s); },
- writeTrailingSemicolon: writeText,
- writeComment: writeText,
- getTextPos: function () { return str.length; },
- getLine: function () { return 0; },
- getColumn: function () { return 0; },
- getIndent: function () { return 0; },
- isAtStartOfLine: function () { return false; },
- hasTrailingComment: function () { return false; },
- hasTrailingWhitespace: function () { return !!str.length && ts.isWhiteSpaceLike(str.charCodeAt(str.length - 1)); },
- // Completely ignore indentation for string writers. And map newlines to
- // a single space.
- writeLine: function () { return str += " "; },
- increaseIndent: ts.noop,
- decreaseIndent: ts.noop,
- clear: function () { return str = ""; },
- trackSymbol: ts.noop,
- reportInaccessibleThisError: ts.noop,
- reportInaccessibleUniqueSymbolError: ts.noop,
- reportPrivateInBaseOfClassExpression: ts.noop,
- };
- }
- function changesAffectModuleResolution(oldOptions, newOptions) {
- return oldOptions.configFilePath !== newOptions.configFilePath ||
- optionsHaveModuleResolutionChanges(oldOptions, newOptions);
- }
- ts.changesAffectModuleResolution = changesAffectModuleResolution;
- function optionsHaveModuleResolutionChanges(oldOptions, newOptions) {
- return ts.moduleResolutionOptionDeclarations.some(function (o) {
- return !isJsonEqual(getCompilerOptionValue(oldOptions, o), getCompilerOptionValue(newOptions, o));
- });
- }
- ts.optionsHaveModuleResolutionChanges = optionsHaveModuleResolutionChanges;
- function findAncestor(node, callback) {
- while (node) {
- var result = callback(node);
- if (result === "quit") {
- return undefined;
- }
- else if (result) {
- return node;
- }
- node = node.parent;
- }
- return undefined;
- }
- ts.findAncestor = findAncestor;
- function forEachAncestor(node, callback) {
- while (true) {
- var res = callback(node);
- if (res === "quit")
- return undefined;
- if (res !== undefined)
- return res;
- if (ts.isSourceFile(node))
- return undefined;
- node = node.parent;
- }
- }
- ts.forEachAncestor = forEachAncestor;
- function forEachEntry(map, callback) {
- var iterator = map.entries();
- for (var iterResult = iterator.next(); !iterResult.done; iterResult = iterator.next()) {
- var _a = iterResult.value, key = _a[0], value = _a[1];
- var result = callback(value, key);
- if (result) {
- return result;
- }
- }
- return undefined;
- }
- ts.forEachEntry = forEachEntry;
- function forEachKey(map, callback) {
- var iterator = map.keys();
- for (var iterResult = iterator.next(); !iterResult.done; iterResult = iterator.next()) {
- var result = callback(iterResult.value);
- if (result) {
- return result;
- }
- }
- return undefined;
- }
- ts.forEachKey = forEachKey;
- function copyEntries(source, target) {
- source.forEach(function (value, key) {
- target.set(key, value);
- });
- }
- ts.copyEntries = copyEntries;
- function arrayToSet(array, makeKey) {
- return ts.arrayToMap(array, makeKey || (function (s) { return s; }), ts.returnTrue);
- }
- ts.arrayToSet = arrayToSet;
- function cloneMap(map) {
- var clone = ts.createMap();
- copyEntries(map, clone);
- return clone;
- }
- ts.cloneMap = cloneMap;
- function usingSingleLineStringWriter(action) {
- var oldString = stringWriter.getText();
- try {
- action(stringWriter);
- return stringWriter.getText();
- }
- finally {
- stringWriter.clear();
- stringWriter.writeKeyword(oldString);
- }
- }
- ts.usingSingleLineStringWriter = usingSingleLineStringWriter;
- function getFullWidth(node) {
- return node.end - node.pos;
- }
- ts.getFullWidth = getFullWidth;
- function getResolvedModule(sourceFile, moduleNameText) {
- return sourceFile && sourceFile.resolvedModules && sourceFile.resolvedModules.get(moduleNameText);
- }
- ts.getResolvedModule = getResolvedModule;
- function setResolvedModule(sourceFile, moduleNameText, resolvedModule) {
- if (!sourceFile.resolvedModules) {
- sourceFile.resolvedModules = ts.createMap();
- }
- sourceFile.resolvedModules.set(moduleNameText, resolvedModule);
- }
- ts.setResolvedModule = setResolvedModule;
- function setResolvedTypeReferenceDirective(sourceFile, typeReferenceDirectiveName, resolvedTypeReferenceDirective) {
- if (!sourceFile.resolvedTypeReferenceDirectiveNames) {
- sourceFile.resolvedTypeReferenceDirectiveNames = ts.createMap();
- }
- sourceFile.resolvedTypeReferenceDirectiveNames.set(typeReferenceDirectiveName, resolvedTypeReferenceDirective);
- }
- ts.setResolvedTypeReferenceDirective = setResolvedTypeReferenceDirective;
- function projectReferenceIsEqualTo(oldRef, newRef) {
- return oldRef.path === newRef.path &&
- !oldRef.prepend === !newRef.prepend &&
- !oldRef.circular === !newRef.circular;
- }
- ts.projectReferenceIsEqualTo = projectReferenceIsEqualTo;
- function moduleResolutionIsEqualTo(oldResolution, newResolution) {
- return oldResolution.isExternalLibraryImport === newResolution.isExternalLibraryImport &&
- oldResolution.extension === newResolution.extension &&
- oldResolution.resolvedFileName === newResolution.resolvedFileName &&
- oldResolution.originalPath === newResolution.originalPath &&
- packageIdIsEqual(oldResolution.packageId, newResolution.packageId);
- }
- ts.moduleResolutionIsEqualTo = moduleResolutionIsEqualTo;
- function packageIdIsEqual(a, b) {
- return a === b || !!a && !!b && a.name === b.name && a.subModuleName === b.subModuleName && a.version === b.version;
- }
- function packageIdToString(_a) {
- var name = _a.name, subModuleName = _a.subModuleName, version = _a.version;
- var fullName = subModuleName ? name + "/" + subModuleName : name;
- return fullName + "@" + version;
- }
- ts.packageIdToString = packageIdToString;
- function typeDirectiveIsEqualTo(oldResolution, newResolution) {
- return oldResolution.resolvedFileName === newResolution.resolvedFileName && oldResolution.primary === newResolution.primary;
- }
- ts.typeDirectiveIsEqualTo = typeDirectiveIsEqualTo;
- function hasChangesInResolutions(names, newResolutions, oldResolutions, comparer) {
- ts.Debug.assert(names.length === newResolutions.length);
- for (var i = 0; i < names.length; i++) {
- var newResolution = newResolutions[i];
- var oldResolution = oldResolutions && oldResolutions.get(names[i]);
- var changed = oldResolution
- ? !newResolution || !comparer(oldResolution, newResolution)
- : newResolution;
- if (changed) {
- return true;
- }
- }
- return false;
- }
- ts.hasChangesInResolutions = hasChangesInResolutions;
- // Returns true if this node contains a parse error anywhere underneath it.
- function containsParseError(node) {
- aggregateChildData(node);
- return (node.flags & 262144 /* ThisNodeOrAnySubNodesHasError */) !== 0;
- }
- ts.containsParseError = containsParseError;
- function aggregateChildData(node) {
- if (!(node.flags & 524288 /* HasAggregatedChildData */)) {
- // A node is considered to contain a parse error if:
- // a) the parser explicitly marked that it had an error
- // b) any of it's children reported that it had an error.
- var thisNodeOrAnySubNodesHasError = ((node.flags & 65536 /* ThisNodeHasError */) !== 0) ||
- ts.forEachChild(node, containsParseError);
- // If so, mark ourselves accordingly.
- if (thisNodeOrAnySubNodesHasError) {
- node.flags |= 262144 /* ThisNodeOrAnySubNodesHasError */;
- }
- // Also mark that we've propagated the child information to this node. This way we can
- // always consult the bit directly on this node without needing to check its children
- // again.
- node.flags |= 524288 /* HasAggregatedChildData */;
- }
- }
- function getSourceFileOfNode(node) {
- while (node && node.kind !== 290 /* SourceFile */) {
- node = node.parent;
- }
- return node;
- }
- ts.getSourceFileOfNode = getSourceFileOfNode;
- function isStatementWithLocals(node) {
- switch (node.kind) {
- case 223 /* Block */:
- case 251 /* CaseBlock */:
- case 230 /* ForStatement */:
- case 231 /* ForInStatement */:
- case 232 /* ForOfStatement */:
- return true;
- }
- return false;
- }
- ts.isStatementWithLocals = isStatementWithLocals;
- function getStartPositionOfLine(line, sourceFile) {
- ts.Debug.assert(line >= 0);
- return ts.getLineStarts(sourceFile)[line];
- }
- ts.getStartPositionOfLine = getStartPositionOfLine;
- // This is a useful function for debugging purposes.
- function nodePosToString(node) {
- var file = getSourceFileOfNode(node);
- var loc = ts.getLineAndCharacterOfPosition(file, node.pos);
- return file.fileName + "(" + (loc.line + 1) + "," + (loc.character + 1) + ")";
- }
- ts.nodePosToString = nodePosToString;
- function getEndLinePosition(line, sourceFile) {
- ts.Debug.assert(line >= 0);
- var lineStarts = ts.getLineStarts(sourceFile);
- var lineIndex = line;
- var sourceText = sourceFile.text;
- if (lineIndex + 1 === lineStarts.length) {
- // last line - return EOF
- return sourceText.length - 1;
- }
- else {
- // current line start
- var start = lineStarts[lineIndex];
- // take the start position of the next line - 1 = it should be some line break
- var pos = lineStarts[lineIndex + 1] - 1;
- ts.Debug.assert(ts.isLineBreak(sourceText.charCodeAt(pos)));
- // walk backwards skipping line breaks, stop the the beginning of current line.
- // i.e:
- // <some text>
- // $ <- end of line for this position should match the start position
- while (start <= pos && ts.isLineBreak(sourceText.charCodeAt(pos))) {
- pos--;
- }
- return pos;
- }
- }
- ts.getEndLinePosition = getEndLinePosition;
- /**
- * Returns a value indicating whether a name is unique globally or within the current file.
- * Note: This does not consider whether a name appears as a free identifier or not, so at the expression `x.y` this includes both `x` and `y`.
- */
- function isFileLevelUniqueName(sourceFile, name, hasGlobalName) {
- return !(hasGlobalName && hasGlobalName(name)) && !sourceFile.identifiers.has(name);
- }
- ts.isFileLevelUniqueName = isFileLevelUniqueName;
- // Returns true if this node is missing from the actual source code. A 'missing' node is different
- // from 'undefined/defined'. When a node is undefined (which can happen for optional nodes
- // in the tree), it is definitely missing. However, a node may be defined, but still be
- // missing. This happens whenever the parser knows it needs to parse something, but can't
- // get anything in the source code that it expects at that location. For example:
- //
- // let a: ;
- //
- // Here, the Type in the Type-Annotation is not-optional (as there is a colon in the source
- // code). So the parser will attempt to parse out a type, and will create an actual node.
- // However, this node will be 'missing' in the sense that no actual source-code/tokens are
- // contained within it.
- function nodeIsMissing(node) {
- if (node === undefined) {
- return true;
- }
- return node.pos === node.end && node.pos >= 0 && node.kind !== 1 /* EndOfFileToken */;
- }
- ts.nodeIsMissing = nodeIsMissing;
- function nodeIsPresent(node) {
- return !nodeIsMissing(node);
- }
- ts.nodeIsPresent = nodeIsPresent;
- function insertStatementsAfterPrologue(to, from, isPrologueDirective) {
- if (from === undefined || from.length === 0)
- return to;
- var statementIndex = 0;
- // skip all prologue directives to insert at the correct position
- for (; statementIndex < to.length; ++statementIndex) {
- if (!isPrologueDirective(to[statementIndex])) {
- break;
- }
- }
- to.splice.apply(to, __spreadArrays([statementIndex, 0], from));
- return to;
- }
- function insertStatementAfterPrologue(to, statement, isPrologueDirective) {
- if (statement === undefined)
- return to;
- var statementIndex = 0;
- // skip all prologue directives to insert at the correct position
- for (; statementIndex < to.length; ++statementIndex) {
- if (!isPrologueDirective(to[statementIndex])) {
- break;
- }
- }
- to.splice(statementIndex, 0, statement);
- return to;
- }
- function isAnyPrologueDirective(node) {
- return isPrologueDirective(node) || !!(getEmitFlags(node) & 1048576 /* CustomPrologue */);
- }
- /**
- * Prepends statements to an array while taking care of prologue directives.
- */
- function insertStatementsAfterStandardPrologue(to, from) {
- return insertStatementsAfterPrologue(to, from, isPrologueDirective);
- }
- ts.insertStatementsAfterStandardPrologue = insertStatementsAfterStandardPrologue;
- function insertStatementsAfterCustomPrologue(to, from) {
- return insertStatementsAfterPrologue(to, from, isAnyPrologueDirective);
- }
- ts.insertStatementsAfterCustomPrologue = insertStatementsAfterCustomPrologue;
- /**
- * Prepends statements to an array while taking care of prologue directives.
- */
- function insertStatementAfterStandardPrologue(to, statement) {
- return insertStatementAfterPrologue(to, statement, isPrologueDirective);
- }
- ts.insertStatementAfterStandardPrologue = insertStatementAfterStandardPrologue;
- function insertStatementAfterCustomPrologue(to, statement) {
- return insertStatementAfterPrologue(to, statement, isAnyPrologueDirective);
- }
- ts.insertStatementAfterCustomPrologue = insertStatementAfterCustomPrologue;
- /**
- * Determine if the given comment is a triple-slash
- *
- * @return true if the comment is a triple-slash comment else false
- */
- function isRecognizedTripleSlashComment(text, commentPos, commentEnd) {
- // Verify this is /// comment, but do the regexp match only when we first can find /// in the comment text
- // so that we don't end up computing comment string and doing match for all // comments
- if (text.charCodeAt(commentPos + 1) === 47 /* slash */ &&
- commentPos + 2 < commentEnd &&
- text.charCodeAt(commentPos + 2) === 47 /* slash */) {
- var textSubStr = text.substring(commentPos, commentEnd);
- return textSubStr.match(ts.fullTripleSlashReferencePathRegEx) ||
- textSubStr.match(ts.fullTripleSlashAMDReferencePathRegEx) ||
- textSubStr.match(fullTripleSlashReferenceTypeReferenceDirectiveRegEx) ||
- textSubStr.match(defaultLibReferenceRegEx) ?
- true : false;
- }
- return false;
- }
- ts.isRecognizedTripleSlashComment = isRecognizedTripleSlashComment;
- function isPinnedComment(text, start) {
- return text.charCodeAt(start + 1) === 42 /* asterisk */ &&
- text.charCodeAt(start + 2) === 33 /* exclamation */;
- }
- ts.isPinnedComment = isPinnedComment;
- function createCommentDirectivesMap(sourceFile, commentDirectives) {
- var directivesByLine = ts.createMapFromEntries(commentDirectives.map(function (commentDirective) { return ([
- "" + ts.getLineAndCharacterOfPosition(sourceFile, commentDirective.range.end).line,
- commentDirective,
- ]); }));
- var usedLines = ts.createMap();
- return { getUnusedExpectations: getUnusedExpectations, markUsed: markUsed };
- function getUnusedExpectations() {
- return ts.arrayFrom(directivesByLine.entries())
- .filter(function (_a) {
- var line = _a[0], directive = _a[1];
- return directive.type === 0 /* ExpectError */ && !usedLines.get(line);
- })
- .map(function (_a) {
- var _ = _a[0], directive = _a[1];
- return directive;
- });
- }
- function markUsed(line) {
- if (!directivesByLine.has("" + line)) {
- return false;
- }
- usedLines.set("" + line, true);
- return true;
- }
- }
- ts.createCommentDirectivesMap = createCommentDirectivesMap;
- function getTokenPosOfNode(node, sourceFile, includeJsDoc) {
- // With nodes that have no width (i.e. 'Missing' nodes), we actually *don't*
- // want to skip trivia because this will launch us forward to the next token.
- if (nodeIsMissing(node)) {
- return node.pos;
- }
- if (ts.isJSDocNode(node)) {
- return ts.skipTrivia((sourceFile || getSourceFileOfNode(node)).text, node.pos, /*stopAfterLineBreak*/ false, /*stopAtComments*/ true);
- }
- if (includeJsDoc && ts.hasJSDocNodes(node)) {
- return getTokenPosOfNode(node.jsDoc[0], sourceFile);
- }
- // For a syntax list, it is possible that one of its children has JSDocComment nodes, while
- // the syntax list itself considers them as normal trivia. Therefore if we simply skip
- // trivia for the list, we may have skipped the JSDocComment as well. So we should process its
- // first child to determine the actual position of its first token.
- if (node.kind === 324 /* SyntaxList */ && node._children.length > 0) {
- return getTokenPosOfNode(node._children[0], sourceFile, includeJsDoc);
- }
- return ts.skipTrivia((sourceFile || getSourceFileOfNode(node)).text, node.pos);
- }
- ts.getTokenPosOfNode = getTokenPosOfNode;
- function getNonDecoratorTokenPosOfNode(node, sourceFile) {
- if (nodeIsMissing(node) || !node.decorators) {
- return getTokenPosOfNode(node, sourceFile);
- }
- return ts.skipTrivia((sourceFile || getSourceFileOfNode(node)).text, node.decorators.end);
- }
- ts.getNonDecoratorTokenPosOfNode = getNonDecoratorTokenPosOfNode;
- function getSourceTextOfNodeFromSourceFile(sourceFile, node, includeTrivia) {
- if (includeTrivia === void 0) { includeTrivia = false; }
- return getTextOfNodeFromSourceText(sourceFile.text, node, includeTrivia);
- }
- ts.getSourceTextOfNodeFromSourceFile = getSourceTextOfNodeFromSourceFile;
- function isJSDocTypeExpressionOrChild(node) {
- return !!findAncestor(node, ts.isJSDocTypeExpression);
- }
- function getTextOfNodeFromSourceText(sourceText, node, includeTrivia) {
- if (includeTrivia === void 0) { includeTrivia = false; }
- if (nodeIsMissing(node)) {
- return "";
- }
- var text = sourceText.substring(includeTrivia ? node.pos : ts.skipTrivia(sourceText, node.pos), node.end);
- if (isJSDocTypeExpressionOrChild(node)) {
- // strip space + asterisk at line start
- text = text.replace(/(^|\r?\n|\r)\s*\*\s*/g, "$1");
- }
- return text;
- }
- ts.getTextOfNodeFromSourceText = getTextOfNodeFromSourceText;
- function getTextOfNode(node, includeTrivia) {
- if (includeTrivia === void 0) { includeTrivia = false; }
- return getSourceTextOfNodeFromSourceFile(getSourceFileOfNode(node), node, includeTrivia);
- }
- ts.getTextOfNode = getTextOfNode;
- function getPos(range) {
- return range.pos;
- }
- /**
- * Note: it is expected that the `nodeArray` and the `node` are within the same file.
- * For example, searching for a `SourceFile` in a `SourceFile[]` wouldn't work.
- */
- function indexOfNode(nodeArray, node) {
- return ts.binarySearch(nodeArray, node, getPos, ts.compareValues);
- }
- ts.indexOfNode = indexOfNode;
- /**
- * Gets flags that control emit behavior of a node.
- */
- function getEmitFlags(node) {
- var emitNode = node.emitNode;
- return emitNode && emitNode.flags || 0;
- }
- ts.getEmitFlags = getEmitFlags;
- function getLiteralText(node, sourceFile, neverAsciiEscape, jsxAttributeEscape) {
- // If we don't need to downlevel and we can reach the original source text using
- // the node's parent reference, then simply get the text as it was originally written.
- if (!nodeIsSynthesized(node) && node.parent && !((ts.isNumericLiteral(node) && node.numericLiteralFlags & 512 /* ContainsSeparator */) ||
- ts.isBigIntLiteral(node))) {
- return getSourceTextOfNodeFromSourceFile(sourceFile, node);
- }
- // If we can't reach the original source text, use the canonical form if it's a number,
- // or a (possibly escaped) quoted form of the original text if it's string-like.
- switch (node.kind) {
- case 10 /* StringLiteral */: {
- var escapeText = jsxAttributeEscape ? escapeJsxAttributeString :
- neverAsciiEscape || (getEmitFlags(node) & 16777216 /* NoAsciiEscaping */) ? escapeString :
- escapeNonAsciiString;
- if (node.singleQuote) {
- return "'" + escapeText(node.text, 39 /* singleQuote */) + "'";
- }
- else {
- return '"' + escapeText(node.text, 34 /* doubleQuote */) + '"';
- }
- }
- case 14 /* NoSubstitutionTemplateLiteral */:
- case 15 /* TemplateHead */:
- case 16 /* TemplateMiddle */:
- case 17 /* TemplateTail */: {
- // If a NoSubstitutionTemplateLiteral appears to have a substitution in it, the original text
- // had to include a backslash: `not \${a} substitution`.
- var escapeText = neverAsciiEscape || (getEmitFlags(node) & 16777216 /* NoAsciiEscaping */) ? escapeString :
- escapeNonAsciiString;
- var rawText = node.rawText || escapeTemplateSubstitution(escapeText(node.text, 96 /* backtick */));
- switch (node.kind) {
- case 14 /* NoSubstitutionTemplateLiteral */:
- return "`" + rawText + "`";
- case 15 /* TemplateHead */:
- return "`" + rawText + "${";
- case 16 /* TemplateMiddle */:
- return "}" + rawText + "${";
- case 17 /* TemplateTail */:
- return "}" + rawText + "`";
- }
- break;
- }
- case 8 /* NumericLiteral */:
- case 9 /* BigIntLiteral */:
- case 13 /* RegularExpressionLiteral */:
- return node.text;
- }
- return ts.Debug.fail("Literal kind '" + node.kind + "' not accounted for.");
- }
- ts.getLiteralText = getLiteralText;
- function getTextOfConstantValue(value) {
- return ts.isString(value) ? '"' + escapeNonAsciiString(value) + '"' : "" + value;
- }
- ts.getTextOfConstantValue = getTextOfConstantValue;
- // Make an identifier from an external module name by extracting the string after the last "/" and replacing
- // all non-alphanumeric characters with underscores
- function makeIdentifierFromModuleName(moduleName) {
- return ts.getBaseFileName(moduleName).replace(/^(\d)/, "_$1").replace(/\W/g, "_");
- }
- ts.makeIdentifierFromModuleName = makeIdentifierFromModuleName;
- function isBlockOrCatchScoped(declaration) {
- return (ts.getCombinedNodeFlags(declaration) & 3 /* BlockScoped */) !== 0 ||
- isCatchClauseVariableDeclarationOrBindingElement(declaration);
- }
- ts.isBlockOrCatchScoped = isBlockOrCatchScoped;
- function isCatchClauseVariableDeclarationOrBindingElement(declaration) {
- var node = getRootDeclaration(declaration);
- return node.kind === 242 /* VariableDeclaration */ && node.parent.kind === 280 /* CatchClause */;
- }
- ts.isCatchClauseVariableDeclarationOrBindingElement = isCatchClauseVariableDeclarationOrBindingElement;
- function isAmbientModule(node) {
- return ts.isModuleDeclaration(node) && (node.name.kind === 10 /* StringLiteral */ || isGlobalScopeAugmentation(node));
- }
- ts.isAmbientModule = isAmbientModule;
- function isModuleWithStringLiteralName(node) {
- return ts.isModuleDeclaration(node) && node.name.kind === 10 /* StringLiteral */;
- }
- ts.isModuleWithStringLiteralName = isModuleWithStringLiteralName;
- function isNonGlobalAmbientModule(node) {
- return ts.isModuleDeclaration(node) && ts.isStringLiteral(node.name);
- }
- ts.isNonGlobalAmbientModule = isNonGlobalAmbientModule;
- /**
- * An effective module (namespace) declaration is either
- * 1. An actual declaration: namespace X { ... }
- * 2. A Javascript declaration, which is:
- * An identifier in a nested property access expression: Y in `X.Y.Z = { ... }`
- */
- function isEffectiveModuleDeclaration(node) {
- return ts.isModuleDeclaration(node) || ts.isIdentifier(node);
- }
- ts.isEffectiveModuleDeclaration = isEffectiveModuleDeclaration;
- /** Given a symbol for a module, checks that it is a shorthand ambient module. */
- function isShorthandAmbientModuleSymbol(moduleSymbol) {
- return isShorthandAmbientModule(moduleSymbol.valueDeclaration);
- }
- ts.isShorthandAmbientModuleSymbol = isShorthandAmbientModuleSymbol;
- function isShorthandAmbientModule(node) {
- // The only kind of module that can be missing a body is a shorthand ambient module.
- return node && node.kind === 249 /* ModuleDeclaration */ && (!node.body);
- }
- function isBlockScopedContainerTopLevel(node) {
- return node.kind === 290 /* SourceFile */ ||
- node.kind === 249 /* ModuleDeclaration */ ||
- ts.isFunctionLike(node);
- }
- ts.isBlockScopedContainerTopLevel = isBlockScopedContainerTopLevel;
- function isGlobalScopeAugmentation(module) {
- return !!(module.flags & 1024 /* GlobalAugmentation */);
- }
- ts.isGlobalScopeAugmentation = isGlobalScopeAugmentation;
- function isExternalModuleAugmentation(node) {
- return isAmbientModule(node) && isModuleAugmentationExternal(node);
- }
- ts.isExternalModuleAugmentation = isExternalModuleAugmentation;
- function isModuleAugmentationExternal(node) {
- // external module augmentation is a ambient module declaration that is either:
- // - defined in the top level scope and source file is an external module
- // - defined inside ambient module declaration located in the top level scope and source file not an external module
- switch (node.parent.kind) {
- case 290 /* SourceFile */:
- return ts.isExternalModule(node.parent);
- case 250 /* ModuleBlock */:
- return isAmbientModule(node.parent.parent) && ts.isSourceFile(node.parent.parent.parent) && !ts.isExternalModule(node.parent.parent.parent);
- }
- return false;
- }
- ts.isModuleAugmentationExternal = isModuleAugmentationExternal;
- function getNonAugmentationDeclaration(symbol) {
- return ts.find(symbol.declarations, function (d) { return !isExternalModuleAugmentation(d) && !(ts.isModuleDeclaration(d) && isGlobalScopeAugmentation(d)); });
- }
- ts.getNonAugmentationDeclaration = getNonAugmentationDeclaration;
- function isEffectiveExternalModule(node, compilerOptions) {
- return ts.isExternalModule(node) || compilerOptions.isolatedModules || ((getEmitModuleKind(compilerOptions) === ts.ModuleKind.CommonJS) && !!node.commonJsModuleIndicator);
- }
- ts.isEffectiveExternalModule = isEffectiveExternalModule;
- /**
- * Returns whether the source file will be treated as if it were in strict mode at runtime.
- */
- function isEffectiveStrictModeSourceFile(node, compilerOptions) {
- // We can only verify strict mode for JS/TS files
- switch (node.scriptKind) {
- case 1 /* JS */:
- case 3 /* TS */:
- case 2 /* JSX */:
- case 4 /* TSX */:
- break;
- default:
- return false;
- }
- // Strict mode does not matter for declaration files.
- if (node.isDeclarationFile) {
- return false;
- }
- // If `alwaysStrict` is set, then treat the file as strict.
- if (getStrictOptionValue(compilerOptions, "alwaysStrict")) {
- return true;
- }
- // Starting with a "use strict" directive indicates the file is strict.
- if (ts.startsWithUseStrict(node.statements)) {
- return true;
- }
- if (ts.isExternalModule(node) || compilerOptions.isolatedModules) {
- // ECMAScript Modules are always strict.
- if (getEmitModuleKind(compilerOptions) >= ts.ModuleKind.ES2015) {
- return true;
- }
- // Other modules are strict unless otherwise specified.
- return !compilerOptions.noImplicitUseStrict;
- }
- return false;
- }
- ts.isEffectiveStrictModeSourceFile = isEffectiveStrictModeSourceFile;
- function isBlockScope(node, parentNode) {
- switch (node.kind) {
- case 290 /* SourceFile */:
- case 251 /* CaseBlock */:
- case 280 /* CatchClause */:
- case 249 /* ModuleDeclaration */:
- case 230 /* ForStatement */:
- case 231 /* ForInStatement */:
- case 232 /* ForOfStatement */:
- case 162 /* Constructor */:
- case 161 /* MethodDeclaration */:
- case 163 /* GetAccessor */:
- case 164 /* SetAccessor */:
- case 244 /* FunctionDeclaration */:
- case 201 /* FunctionExpression */:
- case 202 /* ArrowFunction */:
- return true;
- case 223 /* Block */:
- // function block is not considered block-scope container
- // see comment in binder.ts: bind(...), case for SyntaxKind.Block
- return !ts.isFunctionLike(parentNode);
- }
- return false;
- }
- ts.isBlockScope = isBlockScope;
- function isDeclarationWithTypeParameters(node) {
- switch (node.kind) {
- case 315 /* JSDocCallbackTag */:
- case 322 /* JSDocTypedefTag */:
- case 305 /* JSDocSignature */:
- return true;
- default:
- ts.assertType(node);
- return isDeclarationWithTypeParameterChildren(node);
- }
- }
- ts.isDeclarationWithTypeParameters = isDeclarationWithTypeParameters;
- function isDeclarationWithTypeParameterChildren(node) {
- switch (node.kind) {
- case 165 /* CallSignature */:
- case 166 /* ConstructSignature */:
- case 160 /* MethodSignature */:
- case 167 /* IndexSignature */:
- case 170 /* FunctionType */:
- case 171 /* ConstructorType */:
- case 300 /* JSDocFunctionType */:
- case 245 /* ClassDeclaration */:
- case 214 /* ClassExpression */:
- case 246 /* InterfaceDeclaration */:
- case 247 /* TypeAliasDeclaration */:
- case 321 /* JSDocTemplateTag */:
- case 244 /* FunctionDeclaration */:
- case 161 /* MethodDeclaration */:
- case 162 /* Constructor */:
- case 163 /* GetAccessor */:
- case 164 /* SetAccessor */:
- case 201 /* FunctionExpression */:
- case 202 /* ArrowFunction */:
- return true;
- default:
- ts.assertType(node);
- return false;
- }
- }
- ts.isDeclarationWithTypeParameterChildren = isDeclarationWithTypeParameterChildren;
- function isAnyImportSyntax(node) {
- switch (node.kind) {
- case 254 /* ImportDeclaration */:
- case 253 /* ImportEqualsDeclaration */:
- return true;
- default:
- return false;
- }
- }
- ts.isAnyImportSyntax = isAnyImportSyntax;
- function isLateVisibilityPaintedStatement(node) {
- switch (node.kind) {
- case 254 /* ImportDeclaration */:
- case 253 /* ImportEqualsDeclaration */:
- case 225 /* VariableStatement */:
- case 245 /* ClassDeclaration */:
- case 244 /* FunctionDeclaration */:
- case 249 /* ModuleDeclaration */:
- case 247 /* TypeAliasDeclaration */:
- case 246 /* InterfaceDeclaration */:
- case 248 /* EnumDeclaration */:
- return true;
- default:
- return false;
- }
- }
- ts.isLateVisibilityPaintedStatement = isLateVisibilityPaintedStatement;
- function isAnyImportOrReExport(node) {
- return isAnyImportSyntax(node) || ts.isExportDeclaration(node);
- }
- ts.isAnyImportOrReExport = isAnyImportOrReExport;
- // Gets the nearest enclosing block scope container that has the provided node
- // as a descendant, that is not the provided node.
- function getEnclosingBlockScopeContainer(node) {
- return findAncestor(node.parent, function (current) { return isBlockScope(current, current.parent); });
- }
- ts.getEnclosingBlockScopeContainer = getEnclosingBlockScopeContainer;
- // Return display name of an identifier
- // Computed property names will just be emitted as "[<expr>]", where <expr> is the source
- // text of the expression in the computed property.
- function declarationNameToString(name) {
- return !name || getFullWidth(name) === 0 ? "(Missing)" : getTextOfNode(name);
- }
- ts.declarationNameToString = declarationNameToString;
- function getNameFromIndexInfo(info) {
- return info.declaration ? declarationNameToString(info.declaration.parameters[0].name) : undefined;
- }
- ts.getNameFromIndexInfo = getNameFromIndexInfo;
- function isComputedNonLiteralName(name) {
- return name.kind === 154 /* ComputedPropertyName */ && !isStringOrNumericLiteralLike(name.expression);
- }
- ts.isComputedNonLiteralName = isComputedNonLiteralName;
- function getTextOfPropertyName(name) {
- switch (name.kind) {
- case 75 /* Identifier */:
- case 76 /* PrivateIdentifier */:
- return name.escapedText;
- case 10 /* StringLiteral */:
- case 8 /* NumericLiteral */:
- case 14 /* NoSubstitutionTemplateLiteral */:
- return ts.escapeLeadingUnderscores(name.text);
- case 154 /* ComputedPropertyName */:
- if (isStringOrNumericLiteralLike(name.expression))
- return ts.escapeLeadingUnderscores(name.expression.text);
- return ts.Debug.fail("Text of property name cannot be read from non-literal-valued ComputedPropertyNames");
- default:
- return ts.Debug.assertNever(name);
- }
- }
- ts.getTextOfPropertyName = getTextOfPropertyName;
- function entityNameToString(name) {
- switch (name.kind) {
- case 104 /* ThisKeyword */:
- return "this";
- case 76 /* PrivateIdentifier */:
- case 75 /* Identifier */:
- return getFullWidth(name) === 0 ? ts.idText(name) : getTextOfNode(name);
- case 153 /* QualifiedName */:
- return entityNameToString(name.left) + "." + entityNameToString(name.right);
- case 194 /* PropertyAccessExpression */:
- if (ts.isIdentifier(name.name) || ts.isPrivateIdentifier(name.name)) {
- return entityNameToString(name.expression) + "." + entityNameToString(name.name);
- }
- else {
- return ts.Debug.assertNever(name.name);
- }
- default:
- return ts.Debug.assertNever(name);
- }
- }
- ts.entityNameToString = entityNameToString;
- function createDiagnosticForNode(node, message, arg0, arg1, arg2, arg3) {
- var sourceFile = getSourceFileOfNode(node);
- return createDiagnosticForNodeInSourceFile(sourceFile, node, message, arg0, arg1, arg2, arg3);
- }
- ts.createDiagnosticForNode = createDiagnosticForNode;
- function createDiagnosticForNodeArray(sourceFile, nodes, message, arg0, arg1, arg2, arg3) {
- var start = ts.skipTrivia(sourceFile.text, nodes.pos);
- return createFileDiagnostic(sourceFile, start, nodes.end - start, message, arg0, arg1, arg2, arg3);
- }
- ts.createDiagnosticForNodeArray = createDiagnosticForNodeArray;
- function createDiagnosticForNodeInSourceFile(sourceFile, node, message, arg0, arg1, arg2, arg3) {
- var span = getErrorSpanForNode(sourceFile, node);
- return createFileDiagnostic(sourceFile, span.start, span.length, message, arg0, arg1, arg2, arg3);
- }
- ts.createDiagnosticForNodeInSourceFile = createDiagnosticForNodeInSourceFile;
- function createDiagnosticForNodeFromMessageChain(node, messageChain, relatedInformation) {
- var sourceFile = getSourceFileOfNode(node);
- var span = getErrorSpanForNode(sourceFile, node);
- return {
- file: sourceFile,
- start: span.start,
- length: span.length,
- code: messageChain.code,
- category: messageChain.category,
- messageText: messageChain.next ? messageChain : messageChain.messageText,
- relatedInformation: relatedInformation
- };
- }
- ts.createDiagnosticForNodeFromMessageChain = createDiagnosticForNodeFromMessageChain;
- function createDiagnosticForRange(sourceFile, range, message) {
- return {
- file: sourceFile,
- start: range.pos,
- length: range.end - range.pos,
- code: message.code,
- category: message.category,
- messageText: message.message,
- };
- }
- ts.createDiagnosticForRange = createDiagnosticForRange;
- function getSpanOfTokenAtPosition(sourceFile, pos) {
- var scanner = ts.createScanner(sourceFile.languageVersion, /*skipTrivia*/ true, sourceFile.languageVariant, sourceFile.text, /*onError:*/ undefined, pos);
- scanner.scan();
- var start = scanner.getTokenPos();
- return ts.createTextSpanFromBounds(start, scanner.getTextPos());
- }
- ts.getSpanOfTokenAtPosition = getSpanOfTokenAtPosition;
- function getErrorSpanForArrowFunction(sourceFile, node) {
- var pos = ts.skipTrivia(sourceFile.text, node.pos);
- if (node.body && node.body.kind === 223 /* Block */) {
- var startLine = ts.getLineAndCharacterOfPosition(sourceFile, node.body.pos).line;
- var endLine = ts.getLineAndCharacterOfPosition(sourceFile, node.body.end).line;
- if (startLine < endLine) {
- // The arrow function spans multiple lines,
- // make the error span be the first line, inclusive.
- return ts.createTextSpan(pos, getEndLinePosition(startLine, sourceFile) - pos + 1);
- }
- }
- return ts.createTextSpanFromBounds(pos, node.end);
- }
- function getErrorSpanForNode(sourceFile, node) {
- var errorNode = node;
- switch (node.kind) {
- case 290 /* SourceFile */:
- var pos_1 = ts.skipTrivia(sourceFile.text, 0, /*stopAfterLineBreak*/ false);
- if (pos_1 === sourceFile.text.length) {
- // file is empty - return span for the beginning of the file
- return ts.createTextSpan(0, 0);
- }
- return getSpanOfTokenAtPosition(sourceFile, pos_1);
- // This list is a work in progress. Add missing node kinds to improve their error
- // spans.
- case 242 /* VariableDeclaration */:
- case 191 /* BindingElement */:
- case 245 /* ClassDeclaration */:
- case 214 /* ClassExpression */:
- case 246 /* InterfaceDeclaration */:
- case 249 /* ModuleDeclaration */:
- case 248 /* EnumDeclaration */:
- case 284 /* EnumMember */:
- case 244 /* FunctionDeclaration */:
- case 201 /* FunctionExpression */:
- case 161 /* MethodDeclaration */:
- case 163 /* GetAccessor */:
- case 164 /* SetAccessor */:
- case 247 /* TypeAliasDeclaration */:
- case 159 /* PropertyDeclaration */:
- case 158 /* PropertySignature */:
- errorNode = node.name;
- break;
- case 202 /* ArrowFunction */:
- return getErrorSpanForArrowFunction(sourceFile, node);
- case 277 /* CaseClause */:
- case 278 /* DefaultClause */:
- var start = ts.skipTrivia(sourceFile.text, node.pos);
- var end = node.statements.length > 0 ? node.statements[0].pos : node.end;
- return ts.createTextSpanFromBounds(start, end);
- }
- if (errorNode === undefined) {
- // If we don't have a better node, then just set the error on the first token of
- // construct.
- return getSpanOfTokenAtPosition(sourceFile, node.pos);
- }
- ts.Debug.assert(!ts.isJSDoc(errorNode));
- var isMissing = nodeIsMissing(errorNode);
- var pos = isMissing || ts.isJsxText(node)
- ? errorNode.pos
- : ts.skipTrivia(sourceFile.text, errorNode.pos);
- // These asserts should all be satisfied for a properly constructed `errorNode`.
- if (isMissing) {
- ts.Debug.assert(pos === errorNode.pos, "This failure could trigger https://github.com/Microsoft/TypeScript/issues/20809");
- ts.Debug.assert(pos === errorNode.end, "This failure could trigger https://github.com/Microsoft/TypeScript/issues/20809");
- }
- else {
- ts.Debug.assert(pos >= errorNode.pos, "This failure could trigger https://github.com/Microsoft/TypeScript/issues/20809");
- ts.Debug.assert(pos <= errorNode.end, "This failure could trigger https://github.com/Microsoft/TypeScript/issues/20809");
- }
- return ts.createTextSpanFromBounds(pos, errorNode.end);
- }
- ts.getErrorSpanForNode = getErrorSpanForNode;
- function isExternalOrCommonJsModule(file) {
- return (file.externalModuleIndicator || file.commonJsModuleIndicator) !== undefined;
- }
- ts.isExternalOrCommonJsModule = isExternalOrCommonJsModule;
- function isJsonSourceFile(file) {
- return file.scriptKind === 6 /* JSON */;
- }
- ts.isJsonSourceFile = isJsonSourceFile;
- function isEnumConst(node) {
- return !!(ts.getCombinedModifierFlags(node) & 2048 /* Const */);
- }
- ts.isEnumConst = isEnumConst;
- function isDeclarationReadonly(declaration) {
- return !!(ts.getCombinedModifierFlags(declaration) & 64 /* Readonly */ && !ts.isParameterPropertyDeclaration(declaration, declaration.parent));
- }
- ts.isDeclarationReadonly = isDeclarationReadonly;
- function isVarConst(node) {
- return !!(ts.getCombinedNodeFlags(node) & 2 /* Const */);
- }
- ts.isVarConst = isVarConst;
- function isLet(node) {
- return !!(ts.getCombinedNodeFlags(node) & 1 /* Let */);
- }
- ts.isLet = isLet;
- function isSuperCall(n) {
- return n.kind === 196 /* CallExpression */ && n.expression.kind === 102 /* SuperKeyword */;
- }
- ts.isSuperCall = isSuperCall;
- function isImportCall(n) {
- return n.kind === 196 /* CallExpression */ && n.expression.kind === 96 /* ImportKeyword */;
- }
- ts.isImportCall = isImportCall;
- function isImportMeta(n) {
- return ts.isMetaProperty(n)
- && n.keywordToken === 96 /* ImportKeyword */
- && n.name.escapedText === "meta";
- }
- ts.isImportMeta = isImportMeta;
- function isLiteralImportTypeNode(n) {
- return ts.isImportTypeNode(n) && ts.isLiteralTypeNode(n.argument) && ts.isStringLiteral(n.argument.literal);
- }
- ts.isLiteralImportTypeNode = isLiteralImportTypeNode;
- function isPrologueDirective(node) {
- return node.kind === 226 /* ExpressionStatement */
- && node.expression.kind === 10 /* StringLiteral */;
- }
- ts.isPrologueDirective = isPrologueDirective;
- function isCustomPrologue(node) {
- return !!(getEmitFlags(node) & 1048576 /* CustomPrologue */);
- }
- ts.isCustomPrologue = isCustomPrologue;
- function isHoistedFunction(node) {
- return isCustomPrologue(node)
- && ts.isFunctionDeclaration(node);
- }
- ts.isHoistedFunction = isHoistedFunction;
- function isHoistedVariable(node) {
- return ts.isIdentifier(node.name)
- && !node.initializer;
- }
- function isHoistedVariableStatement(node) {
- return isCustomPrologue(node)
- && ts.isVariableStatement(node)
- && ts.every(node.declarationList.declarations, isHoistedVariable);
- }
- ts.isHoistedVariableStatement = isHoistedVariableStatement;
- function getLeadingCommentRangesOfNode(node, sourceFileOfNode) {
- return node.kind !== 11 /* JsxText */ ? ts.getLeadingCommentRanges(sourceFileOfNode.text, node.pos) : undefined;
- }
- ts.getLeadingCommentRangesOfNode = getLeadingCommentRangesOfNode;
- function getJSDocCommentRanges(node, text) {
- var commentRanges = (node.kind === 156 /* Parameter */ ||
- node.kind === 155 /* TypeParameter */ ||
- node.kind === 201 /* FunctionExpression */ ||
- node.kind === 202 /* ArrowFunction */ ||
- node.kind === 200 /* ParenthesizedExpression */) ?
- ts.concatenate(ts.getTrailingCommentRanges(text, node.pos), ts.getLeadingCommentRanges(text, node.pos)) :
- ts.getLeadingCommentRanges(text, node.pos);
- // True if the comment starts with '/**' but not if it is '/**/'
- return ts.filter(commentRanges, function (comment) {
- return text.charCodeAt(comment.pos + 1) === 42 /* asterisk */ &&
- text.charCodeAt(comment.pos + 2) === 42 /* asterisk */ &&
- text.charCodeAt(comment.pos + 3) !== 47 /* slash */;
- });
- }
- ts.getJSDocCommentRanges = getJSDocCommentRanges;
- ts.fullTripleSlashReferencePathRegEx = /^(\/\/\/\s*<reference\s+path\s*=\s*)('|")(.+?)\2.*?\/>/;
- var fullTripleSlashReferenceTypeReferenceDirectiveRegEx = /^(\/\/\/\s*<reference\s+types\s*=\s*)('|")(.+?)\2.*?\/>/;
- ts.fullTripleSlashAMDReferencePathRegEx = /^(\/\/\/\s*<amd-dependency\s+path\s*=\s*)('|")(.+?)\2.*?\/>/;
- var defaultLibReferenceRegEx = /^(\/\/\/\s*<reference\s+no-default-lib\s*=\s*)('|")(.+?)\2\s*\/>/;
- function isPartOfTypeNode(node) {
- if (168 /* FirstTypeNode */ <= node.kind && node.kind <= 188 /* LastTypeNode */) {
- return true;
- }
- switch (node.kind) {
- case 125 /* AnyKeyword */:
- case 148 /* UnknownKeyword */:
- case 140 /* NumberKeyword */:
- case 151 /* BigIntKeyword */:
- case 143 /* StringKeyword */:
- case 128 /* BooleanKeyword */:
- case 144 /* SymbolKeyword */:
- case 141 /* ObjectKeyword */:
- case 146 /* UndefinedKeyword */:
- case 137 /* NeverKeyword */:
- return true;
- case 110 /* VoidKeyword */:
- return node.parent.kind !== 205 /* VoidExpression */;
- case 216 /* ExpressionWithTypeArguments */:
- return !isExpressionWithTypeArgumentsInClassExtendsClause(node);
- case 155 /* TypeParameter */:
- return node.parent.kind === 186 /* MappedType */ || node.parent.kind === 181 /* InferType */;
- // Identifiers and qualified names may be type nodes, depending on their context. Climb
- // above them to find the lowest container
- case 75 /* Identifier */:
- // If the identifier is the RHS of a qualified name, then it's a type iff its parent is.
- if (node.parent.kind === 153 /* QualifiedName */ && node.parent.right === node) {
- node = node.parent;
- }
- else if (node.parent.kind === 194 /* PropertyAccessExpression */ && node.parent.name === node) {
- node = node.parent;
- }
- // At this point, node is either a qualified name or an identifier
- ts.Debug.assert(node.kind === 75 /* Identifier */ || node.kind === 153 /* QualifiedName */ || node.kind === 194 /* PropertyAccessExpression */, "'node' was expected to be a qualified name, identifier or property access in 'isPartOfTypeNode'.");
- // falls through
- case 153 /* QualifiedName */:
- case 194 /* PropertyAccessExpression */:
- case 104 /* ThisKeyword */: {
- var parent = node.parent;
- if (parent.kind === 172 /* TypeQuery */) {
- return false;
- }
- if (parent.kind === 188 /* ImportType */) {
- return !parent.isTypeOf;
- }
- // Do not recursively call isPartOfTypeNode on the parent. In the example:
- //
- // let a: A.B.C;
- //
- // Calling isPartOfTypeNode would consider the qualified name A.B a type node.
- // Only C and A.B.C are type nodes.
- if (168 /* FirstTypeNode */ <= parent.kind && parent.kind <= 188 /* LastTypeNode */) {
- return true;
- }
- switch (parent.kind) {
- case 216 /* ExpressionWithTypeArguments */:
- return !isExpressionWithTypeArgumentsInClassExtendsClause(parent);
- case 155 /* TypeParameter */:
- return node === parent.constraint;
- case 321 /* JSDocTemplateTag */:
- return node === parent.constraint;
- case 159 /* PropertyDeclaration */:
- case 158 /* PropertySignature */:
- case 156 /* Parameter */:
- case 242 /* VariableDeclaration */:
- return node === parent.type;
- case 244 /* FunctionDeclaration */:
- case 201 /* FunctionExpression */:
- case 202 /* ArrowFunction */:
- case 162 /* Constructor */:
- case 161 /* MethodDeclaration */:
- case 160 /* MethodSignature */:
- case 163 /* GetAccessor */:
- case 164 /* SetAccessor */:
- return node === parent.type;
- case 165 /* CallSignature */:
- case 166 /* ConstructSignature */:
- case 167 /* IndexSignature */:
- return node === parent.type;
- case 199 /* TypeAssertionExpression */:
- return node === parent.type;
- case 196 /* CallExpression */:
- case 197 /* NewExpression */:
- return ts.contains(parent.typeArguments, node);
- case 198 /* TaggedTemplateExpression */:
- // TODO (drosen): TaggedTemplateExpressions may eventually support type arguments.
- return false;
- }
- }
- }
- return false;
- }
- ts.isPartOfTypeNode = isPartOfTypeNode;
- function isChildOfNodeWithKind(node, kind) {
- while (node) {
- if (node.kind === kind) {
- return true;
- }
- node = node.parent;
- }
- return false;
- }
- ts.isChildOfNodeWithKind = isChildOfNodeWithKind;
- // Warning: This has the same semantics as the forEach family of functions,
- // in that traversal terminates in the event that 'visitor' supplies a truthy value.
- function forEachReturnStatement(body, visitor) {
- return traverse(body);
- function traverse(node) {
- switch (node.kind) {
- case 235 /* ReturnStatement */:
- return visitor(node);
- case 251 /* CaseBlock */:
- case 223 /* Block */:
- case 227 /* IfStatement */:
- case 228 /* DoStatement */:
- case 229 /* WhileStatement */:
- case 230 /* ForStatement */:
- case 231 /* ForInStatement */:
- case 232 /* ForOfStatement */:
- case 236 /* WithStatement */:
- case 237 /* SwitchStatement */:
- case 277 /* CaseClause */:
- case 278 /* DefaultClause */:
- case 238 /* LabeledStatement */:
- case 240 /* TryStatement */:
- case 280 /* CatchClause */:
- return ts.forEachChild(node, traverse);
- }
- }
- }
- ts.forEachReturnStatement = forEachReturnStatement;
- function forEachYieldExpression(body, visitor) {
- return traverse(body);
- function traverse(node) {
- switch (node.kind) {
- case 212 /* YieldExpression */:
- visitor(node);
- var operand = node.expression;
- if (operand) {
- traverse(operand);
- }
- return;
- case 248 /* EnumDeclaration */:
- case 246 /* InterfaceDeclaration */:
- case 249 /* ModuleDeclaration */:
- case 247 /* TypeAliasDeclaration */:
- // These are not allowed inside a generator now, but eventually they may be allowed
- // as local types. Regardless, skip them to avoid the work.
- return;
- default:
- if (ts.isFunctionLike(node)) {
- if (node.name && node.name.kind === 154 /* ComputedPropertyName */) {
- // Note that we will not include methods/accessors of a class because they would require
- // first descending into the class. This is by design.
- traverse(node.name.expression);
- return;
- }
- }
- else if (!isPartOfTypeNode(node)) {
- // This is the general case, which should include mostly expressions and statements.
- // Also includes NodeArrays.
- ts.forEachChild(node, traverse);
- }
- }
- }
- }
- ts.forEachYieldExpression = forEachYieldExpression;
- /**
- * Gets the most likely element type for a TypeNode. This is not an exhaustive test
- * as it assumes a rest argument can only be an array type (either T[], or Array<T>).
- *
- * @param node The type node.
- */
- function getRestParameterElementType(node) {
- if (node && node.kind === 174 /* ArrayType */) {
- return node.elementType;
- }
- else if (node && node.kind === 169 /* TypeReference */) {
- return ts.singleOrUndefined(node.typeArguments);
- }
- else {
- return undefined;
- }
- }
- ts.getRestParameterElementType = getRestParameterElementType;
- function getMembersOfDeclaration(node) {
- switch (node.kind) {
- case 246 /* InterfaceDeclaration */:
- case 245 /* ClassDeclaration */:
- case 214 /* ClassExpression */:
- case 173 /* TypeLiteral */:
- return node.members;
- case 193 /* ObjectLiteralExpression */:
- return node.properties;
- }
- }
- ts.getMembersOfDeclaration = getMembersOfDeclaration;
- function isVariableLike(node) {
- if (node) {
- switch (node.kind) {
- case 191 /* BindingElement */:
- case 284 /* EnumMember */:
- case 156 /* Parameter */:
- case 281 /* PropertyAssignment */:
- case 159 /* PropertyDeclaration */:
- case 158 /* PropertySignature */:
- case 282 /* ShorthandPropertyAssignment */:
- case 242 /* VariableDeclaration */:
- return true;
- }
- }
- return false;
- }
- ts.isVariableLike = isVariableLike;
- function isVariableLikeOrAccessor(node) {
- return isVariableLike(node) || ts.isAccessor(node);
- }
- ts.isVariableLikeOrAccessor = isVariableLikeOrAccessor;
- function isVariableDeclarationInVariableStatement(node) {
- return node.parent.kind === 243 /* VariableDeclarationList */
- && node.parent.parent.kind === 225 /* VariableStatement */;
- }
- ts.isVariableDeclarationInVariableStatement = isVariableDeclarationInVariableStatement;
- function isValidESSymbolDeclaration(node) {
- return ts.isVariableDeclaration(node) ? isVarConst(node) && ts.isIdentifier(node.name) && isVariableDeclarationInVariableStatement(node) :
- ts.isPropertyDeclaration(node) ? hasReadonlyModifier(node) && hasStaticModifier(node) :
- ts.isPropertySignature(node) && hasReadonlyModifier(node);
- }
- ts.isValidESSymbolDeclaration = isValidESSymbolDeclaration;
- function introducesArgumentsExoticObject(node) {
- switch (node.kind) {
- case 161 /* MethodDeclaration */:
- case 160 /* MethodSignature */:
- case 162 /* Constructor */:
- case 163 /* GetAccessor */:
- case 164 /* SetAccessor */:
- case 244 /* FunctionDeclaration */:
- case 201 /* FunctionExpression */:
- return true;
- }
- return false;
- }
- ts.introducesArgumentsExoticObject = introducesArgumentsExoticObject;
- function unwrapInnermostStatementOfLabel(node, beforeUnwrapLabelCallback) {
- while (true) {
- if (beforeUnwrapLabelCallback) {
- beforeUnwrapLabelCallback(node);
- }
- if (node.statement.kind !== 238 /* LabeledStatement */) {
- return node.statement;
- }
- node = node.statement;
- }
- }
- ts.unwrapInnermostStatementOfLabel = unwrapInnermostStatementOfLabel;
- function isFunctionBlock(node) {
- return node && node.kind === 223 /* Block */ && ts.isFunctionLike(node.parent);
- }
- ts.isFunctionBlock = isFunctionBlock;
- function isObjectLiteralMethod(node) {
- return node && node.kind === 161 /* MethodDeclaration */ && node.parent.kind === 193 /* ObjectLiteralExpression */;
- }
- ts.isObjectLiteralMethod = isObjectLiteralMethod;
- function isObjectLiteralOrClassExpressionMethod(node) {
- return node.kind === 161 /* MethodDeclaration */ &&
- (node.parent.kind === 193 /* ObjectLiteralExpression */ ||
- node.parent.kind === 214 /* ClassExpression */);
- }
- ts.isObjectLiteralOrClassExpressionMethod = isObjectLiteralOrClassExpressionMethod;
- function isIdentifierTypePredicate(predicate) {
- return predicate && predicate.kind === 1 /* Identifier */;
- }
- ts.isIdentifierTypePredicate = isIdentifierTypePredicate;
- function isThisTypePredicate(predicate) {
- return predicate && predicate.kind === 0 /* This */;
- }
- ts.isThisTypePredicate = isThisTypePredicate;
- function getPropertyAssignment(objectLiteral, key, key2) {
- return objectLiteral.properties.filter(function (property) {
- if (property.kind === 281 /* PropertyAssignment */) {
- var propName = getTextOfPropertyName(property.name);
- return key === propName || (!!key2 && key2 === propName);
- }
- return false;
- });
- }
- ts.getPropertyAssignment = getPropertyAssignment;
- function getTsConfigObjectLiteralExpression(tsConfigSourceFile) {
- if (tsConfigSourceFile && tsConfigSourceFile.statements.length) {
- var expression = tsConfigSourceFile.statements[0].expression;
- return ts.tryCast(expression, ts.isObjectLiteralExpression);
- }
- }
- ts.getTsConfigObjectLiteralExpression = getTsConfigObjectLiteralExpression;
- function getTsConfigPropArrayElementValue(tsConfigSourceFile, propKey, elementValue) {
- return ts.firstDefined(getTsConfigPropArray(tsConfigSourceFile, propKey), function (property) {
- return ts.isArrayLiteralExpression(property.initializer) ?
- ts.find(property.initializer.elements, function (element) { return ts.isStringLiteral(element) && element.text === elementValue; }) :
- undefined;
- });
- }
- ts.getTsConfigPropArrayElementValue = getTsConfigPropArrayElementValue;
- function getTsConfigPropArray(tsConfigSourceFile, propKey) {
- var jsonObjectLiteral = getTsConfigObjectLiteralExpression(tsConfigSourceFile);
- return jsonObjectLiteral ? getPropertyAssignment(jsonObjectLiteral, propKey) : ts.emptyArray;
- }
- ts.getTsConfigPropArray = getTsConfigPropArray;
- function getContainingFunction(node) {
- return findAncestor(node.parent, ts.isFunctionLike);
- }
- ts.getContainingFunction = getContainingFunction;
- function getContainingFunctionDeclaration(node) {
- return findAncestor(node.parent, ts.isFunctionLikeDeclaration);
- }
- ts.getContainingFunctionDeclaration = getContainingFunctionDeclaration;
- function getContainingClass(node) {
- return findAncestor(node.parent, ts.isClassLike);
- }
- ts.getContainingClass = getContainingClass;
- function getThisContainer(node, includeArrowFunctions) {
- ts.Debug.assert(node.kind !== 290 /* SourceFile */);
- while (true) {
- node = node.parent;
- if (!node) {
- return ts.Debug.fail(); // If we never pass in a SourceFile, this should be unreachable, since we'll stop when we reach that.
- }
- switch (node.kind) {
- case 154 /* ComputedPropertyName */:
- // If the grandparent node is an object literal (as opposed to a class),
- // then the computed property is not a 'this' container.
- // A computed property name in a class needs to be a this container
- // so that we can error on it.
- if (ts.isClassLike(node.parent.parent)) {
- return node;
- }
- // If this is a computed property, then the parent should not
- // make it a this container. The parent might be a property
- // in an object literal, like a method or accessor. But in order for
- // such a parent to be a this container, the reference must be in
- // the *body* of the container.
- node = node.parent;
- break;
- case 157 /* Decorator */:
- // Decorators are always applied outside of the body of a class or method.
- if (node.parent.kind === 156 /* Parameter */ && ts.isClassElement(node.parent.parent)) {
- // If the decorator's parent is a Parameter, we resolve the this container from
- // the grandparent class declaration.
- node = node.parent.parent;
- }
- else if (ts.isClassElement(node.parent)) {
- // If the decorator's parent is a class element, we resolve the 'this' container
- // from the parent class declaration.
- node = node.parent;
- }
- break;
- case 202 /* ArrowFunction */:
- if (!includeArrowFunctions) {
- continue;
- }
- // falls through
- case 244 /* FunctionDeclaration */:
- case 201 /* FunctionExpression */:
- case 249 /* ModuleDeclaration */:
- case 159 /* PropertyDeclaration */:
- case 158 /* PropertySignature */:
- case 161 /* MethodDeclaration */:
- case 160 /* MethodSignature */:
- case 162 /* Constructor */:
- case 163 /* GetAccessor */:
- case 164 /* SetAccessor */:
- case 165 /* CallSignature */:
- case 166 /* ConstructSignature */:
- case 167 /* IndexSignature */:
- case 248 /* EnumDeclaration */:
- case 290 /* SourceFile */:
- return node;
- }
- }
- }
- ts.getThisContainer = getThisContainer;
- function getNewTargetContainer(node) {
- var container = getThisContainer(node, /*includeArrowFunctions*/ false);
- if (container) {
- switch (container.kind) {
- case 162 /* Constructor */:
- case 244 /* FunctionDeclaration */:
- case 201 /* FunctionExpression */:
- return container;
- }
- }
- return undefined;
- }
- ts.getNewTargetContainer = getNewTargetContainer;
- /**
- * Given an super call/property node, returns the closest node where
- * - a super call/property access is legal in the node and not legal in the parent node the node.
- * i.e. super call is legal in constructor but not legal in the class body.
- * - the container is an arrow function (so caller might need to call getSuperContainer again in case it needs to climb higher)
- * - a super call/property is definitely illegal in the container (but might be legal in some subnode)
- * i.e. super property access is illegal in function declaration but can be legal in the statement list
- */
- function getSuperContainer(node, stopOnFunctions) {
- while (true) {
- node = node.parent;
- if (!node) {
- return node;
- }
- switch (node.kind) {
- case 154 /* ComputedPropertyName */:
- node = node.parent;
- break;
- case 244 /* FunctionDeclaration */:
- case 201 /* FunctionExpression */:
- case 202 /* ArrowFunction */:
- if (!stopOnFunctions) {
- continue;
- }
- // falls through
- case 159 /* PropertyDeclaration */:
- case 158 /* PropertySignature */:
- case 161 /* MethodDeclaration */:
- case 160 /* MethodSignature */:
- case 162 /* Constructor */:
- case 163 /* GetAccessor */:
- case 164 /* SetAccessor */:
- return node;
- case 157 /* Decorator */:
- // Decorators are always applied outside of the body of a class or method.
- if (node.parent.kind === 156 /* Parameter */ && ts.isClassElement(node.parent.parent)) {
- // If the decorator's parent is a Parameter, we resolve the this container from
- // the grandparent class declaration.
- node = node.parent.parent;
- }
- else if (ts.isClassElement(node.parent)) {
- // If the decorator's parent is a class element, we resolve the 'this' container
- // from the parent class declaration.
- node = node.parent;
- }
- break;
- }
- }
- }
- ts.getSuperContainer = getSuperContainer;
- function getImmediatelyInvokedFunctionExpression(func) {
- if (func.kind === 201 /* FunctionExpression */ || func.kind === 202 /* ArrowFunction */) {
- var prev = func;
- var parent = func.parent;
- while (parent.kind === 200 /* ParenthesizedExpression */) {
- prev = parent;
- parent = parent.parent;
- }
- if (parent.kind === 196 /* CallExpression */ && parent.expression === prev) {
- return parent;
- }
- }
- }
- ts.getImmediatelyInvokedFunctionExpression = getImmediatelyInvokedFunctionExpression;
- function isSuperOrSuperProperty(node) {
- return node.kind === 102 /* SuperKeyword */
- || isSuperProperty(node);
- }
- ts.isSuperOrSuperProperty = isSuperOrSuperProperty;
- /**
- * Determines whether a node is a property or element access expression for `super`.
- */
- function isSuperProperty(node) {
- var kind = node.kind;
- return (kind === 194 /* PropertyAccessExpression */ || kind === 195 /* ElementAccessExpression */)
- && node.expression.kind === 102 /* SuperKeyword */;
- }
- ts.isSuperProperty = isSuperProperty;
- /**
- * Determines whether a node is a property or element access expression for `this`.
- */
- function isThisProperty(node) {
- var kind = node.kind;
- return (kind === 194 /* PropertyAccessExpression */ || kind === 195 /* ElementAccessExpression */)
- && node.expression.kind === 104 /* ThisKeyword */;
- }
- ts.isThisProperty = isThisProperty;
- function getEntityNameFromTypeNode(node) {
- switch (node.kind) {
- case 169 /* TypeReference */:
- return node.typeName;
- case 216 /* ExpressionWithTypeArguments */:
- return isEntityNameExpression(node.expression)
- ? node.expression
- : undefined;
- case 75 /* Identifier */:
- case 153 /* QualifiedName */:
- return node;
- }
- return undefined;
- }
- ts.getEntityNameFromTypeNode = getEntityNameFromTypeNode;
- function getInvokedExpression(node) {
- switch (node.kind) {
- case 198 /* TaggedTemplateExpression */:
- return node.tag;
- case 268 /* JsxOpeningElement */:
- case 267 /* JsxSelfClosingElement */:
- return node.tagName;
- default:
- return node.expression;
- }
- }
- ts.getInvokedExpression = getInvokedExpression;
- function nodeCanBeDecorated(node, parent, grandparent) {
- // private names cannot be used with decorators yet
- if (ts.isNamedDeclaration(node) && ts.isPrivateIdentifier(node.name)) {
- return false;
- }
- switch (node.kind) {
- case 245 /* ClassDeclaration */:
- // classes are valid targets
- return true;
- case 159 /* PropertyDeclaration */:
- // property declarations are valid if their parent is a class declaration.
- return parent.kind === 245 /* ClassDeclaration */;
- case 163 /* GetAccessor */:
- case 164 /* SetAccessor */:
- case 161 /* MethodDeclaration */:
- // if this method has a body and its parent is a class declaration, this is a valid target.
- return node.body !== undefined
- && parent.kind === 245 /* ClassDeclaration */;
- case 156 /* Parameter */:
- // if the parameter's parent has a body and its grandparent is a class declaration, this is a valid target;
- return parent.body !== undefined
- && (parent.kind === 162 /* Constructor */
- || parent.kind === 161 /* MethodDeclaration */
- || parent.kind === 164 /* SetAccessor */)
- && grandparent.kind === 245 /* ClassDeclaration */;
- }
- return false;
- }
- ts.nodeCanBeDecorated = nodeCanBeDecorated;
- function nodeIsDecorated(node, parent, grandparent) {
- return node.decorators !== undefined
- && nodeCanBeDecorated(node, parent, grandparent); // TODO: GH#18217
- }
- ts.nodeIsDecorated = nodeIsDecorated;
- function nodeOrChildIsDecorated(node, parent, grandparent) {
- return nodeIsDecorated(node, parent, grandparent) || childIsDecorated(node, parent); // TODO: GH#18217
- }
- ts.nodeOrChildIsDecorated = nodeOrChildIsDecorated;
- function childIsDecorated(node, parent) {
- switch (node.kind) {
- case 245 /* ClassDeclaration */:
- return ts.some(node.members, function (m) { return nodeOrChildIsDecorated(m, node, parent); }); // TODO: GH#18217
- case 161 /* MethodDeclaration */:
- case 164 /* SetAccessor */:
- return ts.some(node.parameters, function (p) { return nodeIsDecorated(p, node, parent); }); // TODO: GH#18217
- default:
- return false;
- }
- }
- ts.childIsDecorated = childIsDecorated;
- function isJSXTagName(node) {
- var parent = node.parent;
- if (parent.kind === 268 /* JsxOpeningElement */ ||
- parent.kind === 267 /* JsxSelfClosingElement */ ||
- parent.kind === 269 /* JsxClosingElement */) {
- return parent.tagName === node;
- }
- return false;
- }
- ts.isJSXTagName = isJSXTagName;
- function isExpressionNode(node) {
- switch (node.kind) {
- case 102 /* SuperKeyword */:
- case 100 /* NullKeyword */:
- case 106 /* TrueKeyword */:
- case 91 /* FalseKeyword */:
- case 13 /* RegularExpressionLiteral */:
- case 192 /* ArrayLiteralExpression */:
- case 193 /* ObjectLiteralExpression */:
- case 194 /* PropertyAccessExpression */:
- case 195 /* ElementAccessExpression */:
- case 196 /* CallExpression */:
- case 197 /* NewExpression */:
- case 198 /* TaggedTemplateExpression */:
- case 217 /* AsExpression */:
- case 199 /* TypeAssertionExpression */:
- case 218 /* NonNullExpression */:
- case 200 /* ParenthesizedExpression */:
- case 201 /* FunctionExpression */:
- case 214 /* ClassExpression */:
- case 202 /* ArrowFunction */:
- case 205 /* VoidExpression */:
- case 203 /* DeleteExpression */:
- case 204 /* TypeOfExpression */:
- case 207 /* PrefixUnaryExpression */:
- case 208 /* PostfixUnaryExpression */:
- case 209 /* BinaryExpression */:
- case 210 /* ConditionalExpression */:
- case 213 /* SpreadElement */:
- case 211 /* TemplateExpression */:
- case 215 /* OmittedExpression */:
- case 266 /* JsxElement */:
- case 267 /* JsxSelfClosingElement */:
- case 270 /* JsxFragment */:
- case 212 /* YieldExpression */:
- case 206 /* AwaitExpression */:
- case 219 /* MetaProperty */:
- return true;
- case 153 /* QualifiedName */:
- while (node.parent.kind === 153 /* QualifiedName */) {
- node = node.parent;
- }
- return node.parent.kind === 172 /* TypeQuery */ || isJSXTagName(node);
- case 75 /* Identifier */:
- if (node.parent.kind === 172 /* TypeQuery */ || isJSXTagName(node)) {
- return true;
- }
- // falls through
- case 8 /* NumericLiteral */:
- case 9 /* BigIntLiteral */:
- case 10 /* StringLiteral */:
- case 14 /* NoSubstitutionTemplateLiteral */:
- case 104 /* ThisKeyword */:
- return isInExpressionContext(node);
- default:
- return false;
- }
- }
- ts.isExpressionNode = isExpressionNode;
- function isInExpressionContext(node) {
- var parent = node.parent;
- switch (parent.kind) {
- case 242 /* VariableDeclaration */:
- case 156 /* Parameter */:
- case 159 /* PropertyDeclaration */:
- case 158 /* PropertySignature */:
- case 284 /* EnumMember */:
- case 281 /* PropertyAssignment */:
- case 191 /* BindingElement */:
- return parent.initializer === node;
- case 226 /* ExpressionStatement */:
- case 227 /* IfStatement */:
- case 228 /* DoStatement */:
- case 229 /* WhileStatement */:
- case 235 /* ReturnStatement */:
- case 236 /* WithStatement */:
- case 237 /* SwitchStatement */:
- case 277 /* CaseClause */:
- case 239 /* ThrowStatement */:
- return parent.expression === node;
- case 230 /* ForStatement */:
- var forStatement = parent;
- return (forStatement.initializer === node && forStatement.initializer.kind !== 243 /* VariableDeclarationList */) ||
- forStatement.condition === node ||
- forStatement.incrementor === node;
- case 231 /* ForInStatement */:
- case 232 /* ForOfStatement */:
- var forInStatement = parent;
- return (forInStatement.initializer === node && forInStatement.initializer.kind !== 243 /* VariableDeclarationList */) ||
- forInStatement.expression === node;
- case 199 /* TypeAssertionExpression */:
- case 217 /* AsExpression */:
- return node === parent.expression;
- case 221 /* TemplateSpan */:
- return node === parent.expression;
- case 154 /* ComputedPropertyName */:
- return node === parent.expression;
- case 157 /* Decorator */:
- case 276 /* JsxExpression */:
- case 275 /* JsxSpreadAttribute */:
- case 283 /* SpreadAssignment */:
- return true;
- case 216 /* ExpressionWithTypeArguments */:
- return parent.expression === node && isExpressionWithTypeArgumentsInClassExtendsClause(parent);
- case 282 /* ShorthandPropertyAssignment */:
- return parent.objectAssignmentInitializer === node;
- default:
- return isExpressionNode(parent);
- }
- }
- ts.isInExpressionContext = isInExpressionContext;
- function isPartOfTypeQuery(node) {
- while (node.kind === 153 /* QualifiedName */ || node.kind === 75 /* Identifier */) {
- node = node.parent;
- }
- return node.kind === 172 /* TypeQuery */;
- }
- ts.isPartOfTypeQuery = isPartOfTypeQuery;
- function isExternalModuleImportEqualsDeclaration(node) {
- return node.kind === 253 /* ImportEqualsDeclaration */ && node.moduleReference.kind === 265 /* ExternalModuleReference */;
- }
- ts.isExternalModuleImportEqualsDeclaration = isExternalModuleImportEqualsDeclaration;
- function getExternalModuleImportEqualsDeclarationExpression(node) {
- ts.Debug.assert(isExternalModuleImportEqualsDeclaration(node));
- return node.moduleReference.expression;
- }
- ts.getExternalModuleImportEqualsDeclarationExpression = getExternalModuleImportEqualsDeclarationExpression;
- function isInternalModuleImportEqualsDeclaration(node) {
- return node.kind === 253 /* ImportEqualsDeclaration */ && node.moduleReference.kind !== 265 /* ExternalModuleReference */;
- }
- ts.isInternalModuleImportEqualsDeclaration = isInternalModuleImportEqualsDeclaration;
- function isSourceFileJS(file) {
- return isInJSFile(file);
- }
- ts.isSourceFileJS = isSourceFileJS;
- function isSourceFileNotJS(file) {
- return !isInJSFile(file);
- }
- ts.isSourceFileNotJS = isSourceFileNotJS;
- function isInJSFile(node) {
- return !!node && !!(node.flags & 131072 /* JavaScriptFile */);
- }
- ts.isInJSFile = isInJSFile;
- function isInJsonFile(node) {
- return !!node && !!(node.flags & 33554432 /* JsonFile */);
- }
- ts.isInJsonFile = isInJsonFile;
- function isSourceFileNotJson(file) {
- return !isJsonSourceFile(file);
- }
- ts.isSourceFileNotJson = isSourceFileNotJson;
- function isInJSDoc(node) {
- return !!node && !!(node.flags & 4194304 /* JSDoc */);
- }
- ts.isInJSDoc = isInJSDoc;
- function isJSDocIndexSignature(node) {
- return ts.isTypeReferenceNode(node) &&
- ts.isIdentifier(node.typeName) &&
- node.typeName.escapedText === "Object" &&
- node.typeArguments && node.typeArguments.length === 2 &&
- (node.typeArguments[0].kind === 143 /* StringKeyword */ || node.typeArguments[0].kind === 140 /* NumberKeyword */);
- }
- ts.isJSDocIndexSignature = isJSDocIndexSignature;
- function isRequireCall(callExpression, requireStringLiteralLikeArgument) {
- if (callExpression.kind !== 196 /* CallExpression */) {
- return false;
- }
- var _a = callExpression, expression = _a.expression, args = _a.arguments;
- if (expression.kind !== 75 /* Identifier */ || expression.escapedText !== "require") {
- return false;
- }
- if (args.length !== 1) {
- return false;
- }
- var arg = args[0];
- return !requireStringLiteralLikeArgument || ts.isStringLiteralLike(arg);
- }
- ts.isRequireCall = isRequireCall;
- function isRequireVariableDeclaration(node, requireStringLiteralLikeArgument) {
- return ts.isVariableDeclaration(node) && !!node.initializer && isRequireCall(node.initializer, requireStringLiteralLikeArgument);
- }
- ts.isRequireVariableDeclaration = isRequireVariableDeclaration;
- function isRequireVariableDeclarationStatement(node, requireStringLiteralLikeArgument) {
- if (requireStringLiteralLikeArgument === void 0) { requireStringLiteralLikeArgument = true; }
- return ts.isVariableStatement(node) && ts.every(node.declarationList.declarations, function (decl) { return isRequireVariableDeclaration(decl, requireStringLiteralLikeArgument); });
- }
- ts.isRequireVariableDeclarationStatement = isRequireVariableDeclarationStatement;
- function isSingleOrDoubleQuote(charCode) {
- return charCode === 39 /* singleQuote */ || charCode === 34 /* doubleQuote */;
- }
- ts.isSingleOrDoubleQuote = isSingleOrDoubleQuote;
- function isStringDoubleQuoted(str, sourceFile) {
- return getSourceTextOfNodeFromSourceFile(sourceFile, str).charCodeAt(0) === 34 /* doubleQuote */;
- }
- ts.isStringDoubleQuoted = isStringDoubleQuoted;
- function getDeclarationOfExpando(node) {
- if (!node.parent) {
- return undefined;
- }
- var name;
- var decl;
- if (ts.isVariableDeclaration(node.parent) && node.parent.initializer === node) {
- if (!isInJSFile(node) && !isVarConst(node.parent)) {
- return undefined;
- }
- name = node.parent.name;
- decl = node.parent;
- }
- else if (ts.isBinaryExpression(node.parent)) {
- var parentNode = node.parent;
- var parentNodeOperator = node.parent.operatorToken.kind;
- if (parentNodeOperator === 62 /* EqualsToken */ && parentNode.right === node) {
- name = parentNode.left;
- decl = name;
- }
- else if (parentNodeOperator === 56 /* BarBarToken */ || parentNodeOperator === 60 /* QuestionQuestionToken */) {
- if (ts.isVariableDeclaration(parentNode.parent) && parentNode.parent.initializer === parentNode) {
- name = parentNode.parent.name;
- decl = parentNode.parent;
- }
- else if (ts.isBinaryExpression(parentNode.parent) && parentNode.parent.operatorToken.kind === 62 /* EqualsToken */ && parentNode.parent.right === parentNode) {
- name = parentNode.parent.left;
- decl = name;
- }
- if (!name || !isBindableStaticNameExpression(name) || !isSameEntityName(name, parentNode.left)) {
- return undefined;
- }
- }
- }
- if (!name || !getExpandoInitializer(node, isPrototypeAccess(name))) {
- return undefined;
- }
- return decl;
- }
- ts.getDeclarationOfExpando = getDeclarationOfExpando;
- function isAssignmentDeclaration(decl) {
- return ts.isBinaryExpression(decl) || isAccessExpression(decl) || ts.isIdentifier(decl) || ts.isCallExpression(decl);
- }
- ts.isAssignmentDeclaration = isAssignmentDeclaration;
- /** Get the initializer, taking into account defaulted Javascript initializers */
- function getEffectiveInitializer(node) {
- if (isInJSFile(node) && node.initializer &&
- ts.isBinaryExpression(node.initializer) &&
- (node.initializer.operatorToken.kind === 56 /* BarBarToken */ || node.initializer.operatorToken.kind === 60 /* QuestionQuestionToken */) &&
- node.name && isEntityNameExpression(node.name) && isSameEntityName(node.name, node.initializer.left)) {
- return node.initializer.right;
- }
- return node.initializer;
- }
- ts.getEffectiveInitializer = getEffectiveInitializer;
- /** Get the declaration initializer when it is container-like (See getExpandoInitializer). */
- function getDeclaredExpandoInitializer(node) {
- var init = getEffectiveInitializer(node);
- return init && getExpandoInitializer(init, isPrototypeAccess(node.name));
- }
- ts.getDeclaredExpandoInitializer = getDeclaredExpandoInitializer;
- function hasExpandoValueProperty(node, isPrototypeAssignment) {
- return ts.forEach(node.properties, function (p) {
- return ts.isPropertyAssignment(p) &&
- ts.isIdentifier(p.name) &&
- p.name.escapedText === "value" &&
- p.initializer &&
- getExpandoInitializer(p.initializer, isPrototypeAssignment);
- });
- }
- /**
- * Get the assignment 'initializer' -- the righthand side-- when the initializer is container-like (See getExpandoInitializer).
- * We treat the right hand side of assignments with container-like initalizers as declarations.
- */
- function getAssignedExpandoInitializer(node) {
- if (node && node.parent && ts.isBinaryExpression(node.parent) && node.parent.operatorToken.kind === 62 /* EqualsToken */) {
- var isPrototypeAssignment = isPrototypeAccess(node.parent.left);
- return getExpandoInitializer(node.parent.right, isPrototypeAssignment) ||
- getDefaultedExpandoInitializer(node.parent.left, node.parent.right, isPrototypeAssignment);
- }
- if (node && ts.isCallExpression(node) && isBindableObjectDefinePropertyCall(node)) {
- var result = hasExpandoValueProperty(node.arguments[2], node.arguments[1].text === "prototype");
- if (result) {
- return result;
- }
- }
- }
- ts.getAssignedExpandoInitializer = getAssignedExpandoInitializer;
- /**
- * Recognized expando initializers are:
- * 1. (function() {})() -- IIFEs
- * 2. function() { } -- Function expressions
- * 3. class { } -- Class expressions
- * 4. {} -- Empty object literals
- * 5. { ... } -- Non-empty object literals, when used to initialize a prototype, like `C.prototype = { m() { } }`
- *
- * This function returns the provided initializer, or undefined if it is not valid.
- */
- function getExpandoInitializer(initializer, isPrototypeAssignment) {
- if (ts.isCallExpression(initializer)) {
- var e = skipParentheses(initializer.expression);
- return e.kind === 201 /* FunctionExpression */ || e.kind === 202 /* ArrowFunction */ ? initializer : undefined;
- }
- if (initializer.kind === 201 /* FunctionExpression */ ||
- initializer.kind === 214 /* ClassExpression */ ||
- initializer.kind === 202 /* ArrowFunction */) {
- return initializer;
- }
- if (ts.isObjectLiteralExpression(initializer) && (initializer.properties.length === 0 || isPrototypeAssignment)) {
- return initializer;
- }
- }
- ts.getExpandoInitializer = getExpandoInitializer;
- /**
- * A defaulted expando initializer matches the pattern
- * `Lhs = Lhs || ExpandoInitializer`
- * or `var Lhs = Lhs || ExpandoInitializer`
- *
- * The second Lhs is required to be the same as the first except that it may be prefixed with
- * 'window.', 'global.' or 'self.' The second Lhs is otherwise ignored by the binder and checker.
- */
- function getDefaultedExpandoInitializer(name, initializer, isPrototypeAssignment) {
- var e = ts.isBinaryExpression(initializer)
- && (initializer.operatorToken.kind === 56 /* BarBarToken */ || initializer.operatorToken.kind === 60 /* QuestionQuestionToken */)
- && getExpandoInitializer(initializer.right, isPrototypeAssignment);
- if (e && isSameEntityName(name, initializer.left)) {
- return e;
- }
- }
- function isDefaultedExpandoInitializer(node) {
- var name = ts.isVariableDeclaration(node.parent) ? node.parent.name :
- ts.isBinaryExpression(node.parent) && node.parent.operatorToken.kind === 62 /* EqualsToken */ ? node.parent.left :
- undefined;
- return name && getExpandoInitializer(node.right, isPrototypeAccess(name)) && isEntityNameExpression(name) && isSameEntityName(name, node.left);
- }
- ts.isDefaultedExpandoInitializer = isDefaultedExpandoInitializer;
- /** Given an expando initializer, return its declaration name, or the left-hand side of the assignment if it's part of an assignment declaration. */
- function getNameOfExpando(node) {
- if (ts.isBinaryExpression(node.parent)) {
- var parent = ((node.parent.operatorToken.kind === 56 /* BarBarToken */ || node.parent.operatorToken.kind === 60 /* QuestionQuestionToken */) && ts.isBinaryExpression(node.parent.parent)) ? node.parent.parent : node.parent;
- if (parent.operatorToken.kind === 62 /* EqualsToken */ && ts.isIdentifier(parent.left)) {
- return parent.left;
- }
- }
- else if (ts.isVariableDeclaration(node.parent)) {
- return node.parent.name;
- }
- }
- ts.getNameOfExpando = getNameOfExpando;
- /**
- * Is the 'declared' name the same as the one in the initializer?
- * @return true for identical entity names, as well as ones where the initializer is prefixed with
- * 'window', 'self' or 'global'. For example:
- *
- * var my = my || {}
- * var min = window.min || {}
- * my.app = self.my.app || class { }
- */
- function isSameEntityName(name, initializer) {
- if (isPropertyNameLiteral(name) && isPropertyNameLiteral(initializer)) {
- return getTextOfIdentifierOrLiteral(name) === getTextOfIdentifierOrLiteral(name);
- }
- if (ts.isIdentifier(name) && isLiteralLikeAccess(initializer) &&
- (initializer.expression.kind === 104 /* ThisKeyword */ ||
- ts.isIdentifier(initializer.expression) &&
- (initializer.expression.escapedText === "window" ||
- initializer.expression.escapedText === "self" ||
- initializer.expression.escapedText === "global"))) {
- var nameOrArgument = getNameOrArgument(initializer);
- if (ts.isPrivateIdentifier(nameOrArgument)) {
- ts.Debug.fail("Unexpected PrivateIdentifier in name expression with literal-like access.");
- }
- return isSameEntityName(name, nameOrArgument);
- }
- if (isLiteralLikeAccess(name) && isLiteralLikeAccess(initializer)) {
- return getElementOrPropertyAccessName(name) === getElementOrPropertyAccessName(initializer)
- && isSameEntityName(name.expression, initializer.expression);
- }
- return false;
- }
- function getRightMostAssignedExpression(node) {
- while (isAssignmentExpression(node, /*excludeCompoundAssignments*/ true)) {
- node = node.right;
- }
- return node;
- }
- ts.getRightMostAssignedExpression = getRightMostAssignedExpression;
- function isExportsIdentifier(node) {
- return ts.isIdentifier(node) && node.escapedText === "exports";
- }
- ts.isExportsIdentifier = isExportsIdentifier;
- function isModuleIdentifier(node) {
- return ts.isIdentifier(node) && node.escapedText === "module";
- }
- ts.isModuleIdentifier = isModuleIdentifier;
- function isModuleExportsAccessExpression(node) {
- return (ts.isPropertyAccessExpression(node) || isLiteralLikeElementAccess(node))
- && isModuleIdentifier(node.expression)
- && getElementOrPropertyAccessName(node) === "exports";
- }
- ts.isModuleExportsAccessExpression = isModuleExportsAccessExpression;
- /// Given a BinaryExpression, returns SpecialPropertyAssignmentKind for the various kinds of property
- /// assignments we treat as special in the binder
- function getAssignmentDeclarationKind(expr) {
- var special = getAssignmentDeclarationKindWorker(expr);
- return special === 5 /* Property */ || isInJSFile(expr) ? special : 0 /* None */;
- }
- ts.getAssignmentDeclarationKind = getAssignmentDeclarationKind;
- function isBindableObjectDefinePropertyCall(expr) {
- return ts.length(expr.arguments) === 3 &&
- ts.isPropertyAccessExpression(expr.expression) &&
- ts.isIdentifier(expr.expression.expression) &&
- ts.idText(expr.expression.expression) === "Object" &&
- ts.idText(expr.expression.name) === "defineProperty" &&
- isStringOrNumericLiteralLike(expr.arguments[1]) &&
- isBindableStaticNameExpression(expr.arguments[0], /*excludeThisKeyword*/ true);
- }
- ts.isBindableObjectDefinePropertyCall = isBindableObjectDefinePropertyCall;
- /** x.y OR x[0] */
- function isLiteralLikeAccess(node) {
- return ts.isPropertyAccessExpression(node) || isLiteralLikeElementAccess(node);
- }
- ts.isLiteralLikeAccess = isLiteralLikeAccess;
- /** x[0] OR x['a'] OR x[Symbol.y] */
- function isLiteralLikeElementAccess(node) {
- return ts.isElementAccessExpression(node) && (isStringOrNumericLiteralLike(node.argumentExpression) ||
- isWellKnownSymbolSyntactically(node.argumentExpression));
- }
- ts.isLiteralLikeElementAccess = isLiteralLikeElementAccess;
- /** Any series of property and element accesses. */
- function isBindableStaticAccessExpression(node, excludeThisKeyword) {
- return ts.isPropertyAccessExpression(node) && (!excludeThisKeyword && node.expression.kind === 104 /* ThisKeyword */ || ts.isIdentifier(node.name) && isBindableStaticNameExpression(node.expression, /*excludeThisKeyword*/ true))
- || isBindableStaticElementAccessExpression(node, excludeThisKeyword);
- }
- ts.isBindableStaticAccessExpression = isBindableStaticAccessExpression;
- /** Any series of property and element accesses, ending in a literal element access */
- function isBindableStaticElementAccessExpression(node, excludeThisKeyword) {
- return isLiteralLikeElementAccess(node)
- && ((!excludeThisKeyword && node.expression.kind === 104 /* ThisKeyword */) ||
- isEntityNameExpression(node.expression) ||
- isBindableStaticAccessExpression(node.expression, /*excludeThisKeyword*/ true));
- }
- ts.isBindableStaticElementAccessExpression = isBindableStaticElementAccessExpression;
- function isBindableStaticNameExpression(node, excludeThisKeyword) {
- return isEntityNameExpression(node) || isBindableStaticAccessExpression(node, excludeThisKeyword);
- }
- ts.isBindableStaticNameExpression = isBindableStaticNameExpression;
- function getNameOrArgument(expr) {
- if (ts.isPropertyAccessExpression(expr)) {
- return expr.name;
- }
- return expr.argumentExpression;
- }
- ts.getNameOrArgument = getNameOrArgument;
- function getAssignmentDeclarationKindWorker(expr) {
- if (ts.isCallExpression(expr)) {
- if (!isBindableObjectDefinePropertyCall(expr)) {
- return 0 /* None */;
- }
- var entityName = expr.arguments[0];
- if (isExportsIdentifier(entityName) || isModuleExportsAccessExpression(entityName)) {
- return 8 /* ObjectDefinePropertyExports */;
- }
- if (isBindableStaticAccessExpression(entityName) && getElementOrPropertyAccessName(entityName) === "prototype") {
- return 9 /* ObjectDefinePrototypeProperty */;
- }
- return 7 /* ObjectDefinePropertyValue */;
- }
- if (expr.operatorToken.kind !== 62 /* EqualsToken */ || !isAccessExpression(expr.left)) {
- return 0 /* None */;
- }
- if (isBindableStaticNameExpression(expr.left.expression, /*excludeThisKeyword*/ true) && getElementOrPropertyAccessName(expr.left) === "prototype" && ts.isObjectLiteralExpression(getInitializerOfBinaryExpression(expr))) {
- // F.prototype = { ... }
- return 6 /* Prototype */;
- }
- return getAssignmentDeclarationPropertyAccessKind(expr.left);
- }
- /**
- * Does not handle signed numeric names like `a[+0]` - handling those would require handling prefix unary expressions
- * throughout late binding handling as well, which is awkward (but ultimately probably doable if there is demand)
- */
- /* @internal */
- function getElementOrPropertyAccessArgumentExpressionOrName(node) {
- if (ts.isPropertyAccessExpression(node)) {
- return node.name;
- }
- var arg = skipParentheses(node.argumentExpression);
- if (ts.isNumericLiteral(arg) || ts.isStringLiteralLike(arg)) {
- return arg;
- }
- return node;
- }
- ts.getElementOrPropertyAccessArgumentExpressionOrName = getElementOrPropertyAccessArgumentExpressionOrName;
- function getElementOrPropertyAccessName(node) {
- var name = getElementOrPropertyAccessArgumentExpressionOrName(node);
- if (name) {
- if (ts.isIdentifier(name)) {
- return name.escapedText;
- }
- if (ts.isStringLiteralLike(name) || ts.isNumericLiteral(name)) {
- return ts.escapeLeadingUnderscores(name.text);
- }
- }
- if (ts.isElementAccessExpression(node) && isWellKnownSymbolSyntactically(node.argumentExpression)) {
- return getPropertyNameForKnownSymbolName(ts.idText(node.argumentExpression.name));
- }
- return undefined;
- }
- ts.getElementOrPropertyAccessName = getElementOrPropertyAccessName;
- function getAssignmentDeclarationPropertyAccessKind(lhs) {
- if (lhs.expression.kind === 104 /* ThisKeyword */) {
- return 4 /* ThisProperty */;
- }
- else if (isModuleExportsAccessExpression(lhs)) {
- // module.exports = expr
- return 2 /* ModuleExports */;
- }
- else if (isBindableStaticNameExpression(lhs.expression, /*excludeThisKeyword*/ true)) {
- if (isPrototypeAccess(lhs.expression)) {
- // F.G....prototype.x = expr
- return 3 /* PrototypeProperty */;
- }
- var nextToLast = lhs;
- while (!ts.isIdentifier(nextToLast.expression)) {
- nextToLast = nextToLast.expression;
- }
- var id = nextToLast.expression;
- if ((id.escapedText === "exports" ||
- id.escapedText === "module" && getElementOrPropertyAccessName(nextToLast) === "exports") &&
- // ExportsProperty does not support binding with computed names
- isBindableStaticAccessExpression(lhs)) {
- // exports.name = expr OR module.exports.name = expr OR exports["name"] = expr ...
- return 1 /* ExportsProperty */;
- }
- if (isBindableStaticNameExpression(lhs, /*excludeThisKeyword*/ true) || (ts.isElementAccessExpression(lhs) && isDynamicName(lhs))) {
- // F.G...x = expr
- return 5 /* Property */;
- }
- }
- return 0 /* None */;
- }
- ts.getAssignmentDeclarationPropertyAccessKind = getAssignmentDeclarationPropertyAccessKind;
- function getInitializerOfBinaryExpression(expr) {
- while (ts.isBinaryExpression(expr.right)) {
- expr = expr.right;
- }
- return expr.right;
- }
- ts.getInitializerOfBinaryExpression = getInitializerOfBinaryExpression;
- function isPrototypePropertyAssignment(node) {
- return ts.isBinaryExpression(node) && getAssignmentDeclarationKind(node) === 3 /* PrototypeProperty */;
- }
- ts.isPrototypePropertyAssignment = isPrototypePropertyAssignment;
- function isSpecialPropertyDeclaration(expr) {
- return isInJSFile(expr) &&
- expr.parent && expr.parent.kind === 226 /* ExpressionStatement */ &&
- (!ts.isElementAccessExpression(expr) || isLiteralLikeElementAccess(expr)) &&
- !!ts.getJSDocTypeTag(expr.parent);
- }
- ts.isSpecialPropertyDeclaration = isSpecialPropertyDeclaration;
- function setValueDeclaration(symbol, node) {
- var valueDeclaration = symbol.valueDeclaration;
- if (!valueDeclaration ||
- !(node.flags & 8388608 /* Ambient */ && !(valueDeclaration.flags & 8388608 /* Ambient */)) &&
- (isAssignmentDeclaration(valueDeclaration) && !isAssignmentDeclaration(node)) ||
- (valueDeclaration.kind !== node.kind && isEffectiveModuleDeclaration(valueDeclaration))) {
- // other kinds of value declarations take precedence over modules and assignment declarations
- symbol.valueDeclaration = node;
- }
- }
- ts.setValueDeclaration = setValueDeclaration;
- function isFunctionSymbol(symbol) {
- if (!symbol || !symbol.valueDeclaration) {
- return false;
- }
- var decl = symbol.valueDeclaration;
- return decl.kind === 244 /* FunctionDeclaration */ || ts.isVariableDeclaration(decl) && decl.initializer && ts.isFunctionLike(decl.initializer);
- }
- ts.isFunctionSymbol = isFunctionSymbol;
- function importFromModuleSpecifier(node) {
- return tryGetImportFromModuleSpecifier(node) || ts.Debug.failBadSyntaxKind(node.parent);
- }
- ts.importFromModuleSpecifier = importFromModuleSpecifier;
- function tryGetImportFromModuleSpecifier(node) {
- switch (node.parent.kind) {
- case 254 /* ImportDeclaration */:
- case 260 /* ExportDeclaration */:
- return node.parent;
- case 265 /* ExternalModuleReference */:
- return node.parent.parent;
- case 196 /* CallExpression */:
- return isImportCall(node.parent) || isRequireCall(node.parent, /*checkArg*/ false) ? node.parent : undefined;
- case 187 /* LiteralType */:
- ts.Debug.assert(ts.isStringLiteral(node));
- return ts.tryCast(node.parent.parent, ts.isImportTypeNode);
- default:
- return undefined;
- }
- }
- ts.tryGetImportFromModuleSpecifier = tryGetImportFromModuleSpecifier;
- function getExternalModuleName(node) {
- switch (node.kind) {
- case 254 /* ImportDeclaration */:
- case 260 /* ExportDeclaration */:
- return node.moduleSpecifier;
- case 253 /* ImportEqualsDeclaration */:
- return node.moduleReference.kind === 265 /* ExternalModuleReference */ ? node.moduleReference.expression : undefined;
- case 188 /* ImportType */:
- return isLiteralImportTypeNode(node) ? node.argument.literal : undefined;
- default:
- return ts.Debug.assertNever(node);
- }
- }
- ts.getExternalModuleName = getExternalModuleName;
- function getNamespaceDeclarationNode(node) {
- switch (node.kind) {
- case 254 /* ImportDeclaration */:
- return node.importClause && ts.tryCast(node.importClause.namedBindings, ts.isNamespaceImport);
- case 253 /* ImportEqualsDeclaration */:
- return node;
- case 260 /* ExportDeclaration */:
- return node.exportClause && ts.tryCast(node.exportClause, ts.isNamespaceExport);
- default:
- return ts.Debug.assertNever(node);
- }
- }
- ts.getNamespaceDeclarationNode = getNamespaceDeclarationNode;
- function isDefaultImport(node) {
- return node.kind === 254 /* ImportDeclaration */ && !!node.importClause && !!node.importClause.name;
- }
- ts.isDefaultImport = isDefaultImport;
- function forEachImportClauseDeclaration(node, action) {
- if (node.name) {
- var result = action(node);
- if (result)
- return result;
- }
- if (node.namedBindings) {
- var result = ts.isNamespaceImport(node.namedBindings)
- ? action(node.namedBindings)
- : ts.forEach(node.namedBindings.elements, action);
- if (result)
- return result;
- }
- }
- ts.forEachImportClauseDeclaration = forEachImportClauseDeclaration;
- function hasQuestionToken(node) {
- if (node) {
- switch (node.kind) {
- case 156 /* Parameter */:
- case 161 /* MethodDeclaration */:
- case 160 /* MethodSignature */:
- case 282 /* ShorthandPropertyAssignment */:
- case 281 /* PropertyAssignment */:
- case 159 /* PropertyDeclaration */:
- case 158 /* PropertySignature */:
- return node.questionToken !== undefined;
- }
- }
- return false;
- }
- ts.hasQuestionToken = hasQuestionToken;
- function isJSDocConstructSignature(node) {
- var param = ts.isJSDocFunctionType(node) ? ts.firstOrUndefined(node.parameters) : undefined;
- var name = ts.tryCast(param && param.name, ts.isIdentifier);
- return !!name && name.escapedText === "new";
- }
- ts.isJSDocConstructSignature = isJSDocConstructSignature;
- function isJSDocTypeAlias(node) {
- return node.kind === 322 /* JSDocTypedefTag */ || node.kind === 315 /* JSDocCallbackTag */ || node.kind === 316 /* JSDocEnumTag */;
- }
- ts.isJSDocTypeAlias = isJSDocTypeAlias;
- function isTypeAlias(node) {
- return isJSDocTypeAlias(node) || ts.isTypeAliasDeclaration(node);
- }
- ts.isTypeAlias = isTypeAlias;
- function getSourceOfAssignment(node) {
- return ts.isExpressionStatement(node) &&
- ts.isBinaryExpression(node.expression) &&
- node.expression.operatorToken.kind === 62 /* EqualsToken */
- ? getRightMostAssignedExpression(node.expression)
- : undefined;
- }
- function getSourceOfDefaultedAssignment(node) {
- return ts.isExpressionStatement(node) &&
- ts.isBinaryExpression(node.expression) &&
- getAssignmentDeclarationKind(node.expression) !== 0 /* None */ &&
- ts.isBinaryExpression(node.expression.right) &&
- (node.expression.right.operatorToken.kind === 56 /* BarBarToken */ || node.expression.right.operatorToken.kind === 60 /* QuestionQuestionToken */)
- ? node.expression.right.right
- : undefined;
- }
- function getSingleInitializerOfVariableStatementOrPropertyDeclaration(node) {
- switch (node.kind) {
- case 225 /* VariableStatement */:
- var v = getSingleVariableOfVariableStatement(node);
- return v && v.initializer;
- case 159 /* PropertyDeclaration */:
- return node.initializer;
- case 281 /* PropertyAssignment */:
- return node.initializer;
- }
- }
- ts.getSingleInitializerOfVariableStatementOrPropertyDeclaration = getSingleInitializerOfVariableStatementOrPropertyDeclaration;
- function getSingleVariableOfVariableStatement(node) {
- return ts.isVariableStatement(node) ? ts.firstOrUndefined(node.declarationList.declarations) : undefined;
- }
- function getNestedModuleDeclaration(node) {
- return ts.isModuleDeclaration(node) &&
- node.body &&
- node.body.kind === 249 /* ModuleDeclaration */
- ? node.body
- : undefined;
- }
- function getJSDocCommentsAndTags(hostNode) {
- var result;
- // Pull parameter comments from declaring function as well
- if (isVariableLike(hostNode) && ts.hasInitializer(hostNode) && ts.hasJSDocNodes(hostNode.initializer)) {
- result = ts.append(result, ts.last(hostNode.initializer.jsDoc));
- }
- var node = hostNode;
- while (node && node.parent) {
- if (ts.hasJSDocNodes(node)) {
- result = ts.append(result, ts.last(node.jsDoc));
- }
- if (node.kind === 156 /* Parameter */) {
- result = ts.addRange(result, ts.getJSDocParameterTags(node));
- break;
- }
- if (node.kind === 155 /* TypeParameter */) {
- result = ts.addRange(result, ts.getJSDocTypeParameterTags(node));
- break;
- }
- node = getNextJSDocCommentLocation(node);
- }
- return result || ts.emptyArray;
- }
- ts.getJSDocCommentsAndTags = getJSDocCommentsAndTags;
- function getNextJSDocCommentLocation(node) {
- var parent = node.parent;
- if (parent.kind === 281 /* PropertyAssignment */ ||
- parent.kind === 259 /* ExportAssignment */ ||
- parent.kind === 159 /* PropertyDeclaration */ ||
- parent.kind === 226 /* ExpressionStatement */ && node.kind === 194 /* PropertyAccessExpression */ ||
- getNestedModuleDeclaration(parent) ||
- ts.isBinaryExpression(node) && node.operatorToken.kind === 62 /* EqualsToken */) {
- return parent;
- }
- // Try to recognize this pattern when node is initializer of variable declaration and JSDoc comments are on containing variable statement.
- // /**
- // * @param {number} name
- // * @returns {number}
- // */
- // var x = function(name) { return name.length; }
- else if (parent.parent &&
- (getSingleVariableOfVariableStatement(parent.parent) === node ||
- ts.isBinaryExpression(parent) && parent.operatorToken.kind === 62 /* EqualsToken */)) {
- return parent.parent;
- }
- else if (parent.parent && parent.parent.parent &&
- (getSingleVariableOfVariableStatement(parent.parent.parent) ||
- getSingleInitializerOfVariableStatementOrPropertyDeclaration(parent.parent.parent) === node ||
- getSourceOfDefaultedAssignment(parent.parent.parent))) {
- return parent.parent.parent;
- }
- }
- /** Does the opposite of `getJSDocParameterTags`: given a JSDoc parameter, finds the parameter corresponding to it. */
- function getParameterSymbolFromJSDoc(node) {
- if (node.symbol) {
- return node.symbol;
- }
- if (!ts.isIdentifier(node.name)) {
- return undefined;
- }
- var name = node.name.escapedText;
- var decl = getHostSignatureFromJSDoc(node);
- if (!decl) {
- return undefined;
- }
- var parameter = ts.find(decl.parameters, function (p) { return p.name.kind === 75 /* Identifier */ && p.name.escapedText === name; });
- return parameter && parameter.symbol;
- }
- ts.getParameterSymbolFromJSDoc = getParameterSymbolFromJSDoc;
- function getHostSignatureFromJSDoc(node) {
- var host = getEffectiveJSDocHost(node);
- return host && ts.isFunctionLike(host) ? host : undefined;
- }
- ts.getHostSignatureFromJSDoc = getHostSignatureFromJSDoc;
- function getEffectiveJSDocHost(node) {
- var host = getJSDocHost(node);
- var decl = getSourceOfDefaultedAssignment(host) ||
- getSourceOfAssignment(host) ||
- getSingleInitializerOfVariableStatementOrPropertyDeclaration(host) ||
- getSingleVariableOfVariableStatement(host) ||
- getNestedModuleDeclaration(host) ||
- host;
- return decl;
- }
- ts.getEffectiveJSDocHost = getEffectiveJSDocHost;
- /** Use getEffectiveJSDocHost if you additionally need to look for jsdoc on parent nodes, like assignments. */
- function getJSDocHost(node) {
- return ts.Debug.checkDefined(findAncestor(node.parent, ts.isJSDoc)).parent;
- }
- ts.getJSDocHost = getJSDocHost;
- function getTypeParameterFromJsDoc(node) {
- var name = node.name.escapedText;
- var typeParameters = node.parent.parent.parent.typeParameters;
- return typeParameters && ts.find(typeParameters, function (p) { return p.name.escapedText === name; });
- }
- ts.getTypeParameterFromJsDoc = getTypeParameterFromJsDoc;
- function hasRestParameter(s) {
- var last = ts.lastOrUndefined(s.parameters);
- return !!last && isRestParameter(last);
- }
- ts.hasRestParameter = hasRestParameter;
- function isRestParameter(node) {
- var type = ts.isJSDocParameterTag(node) ? (node.typeExpression && node.typeExpression.type) : node.type;
- return node.dotDotDotToken !== undefined || !!type && type.kind === 301 /* JSDocVariadicType */;
- }
- ts.isRestParameter = isRestParameter;
- function hasTypeArguments(node) {
- return !!node.typeArguments;
- }
- ts.hasTypeArguments = hasTypeArguments;
- var AssignmentKind;
- (function (AssignmentKind) {
- AssignmentKind[AssignmentKind["None"] = 0] = "None";
- AssignmentKind[AssignmentKind["Definite"] = 1] = "Definite";
- AssignmentKind[AssignmentKind["Compound"] = 2] = "Compound";
- })(AssignmentKind = ts.AssignmentKind || (ts.AssignmentKind = {}));
- function getAssignmentTargetKind(node) {
- var parent = node.parent;
- while (true) {
- switch (parent.kind) {
- case 209 /* BinaryExpression */:
- var binaryOperator = parent.operatorToken.kind;
- return isAssignmentOperator(binaryOperator) && parent.left === node ?
- binaryOperator === 62 /* EqualsToken */ ? 1 /* Definite */ : 2 /* Compound */ :
- 0 /* None */;
- case 207 /* PrefixUnaryExpression */:
- case 208 /* PostfixUnaryExpression */:
- var unaryOperator = parent.operator;
- return unaryOperator === 45 /* PlusPlusToken */ || unaryOperator === 46 /* MinusMinusToken */ ? 2 /* Compound */ : 0 /* None */;
- case 231 /* ForInStatement */:
- case 232 /* ForOfStatement */:
- return parent.initializer === node ? 1 /* Definite */ : 0 /* None */;
- case 200 /* ParenthesizedExpression */:
- case 192 /* ArrayLiteralExpression */:
- case 213 /* SpreadElement */:
- case 218 /* NonNullExpression */:
- node = parent;
- break;
- case 282 /* ShorthandPropertyAssignment */:
- if (parent.name !== node) {
- return 0 /* None */;
- }
- node = parent.parent;
- break;
- case 281 /* PropertyAssignment */:
- if (parent.name === node) {
- return 0 /* None */;
- }
- node = parent.parent;
- break;
- default:
- return 0 /* None */;
- }
- parent = node.parent;
- }
- }
- ts.getAssignmentTargetKind = getAssignmentTargetKind;
- // A node is an assignment target if it is on the left hand side of an '=' token, if it is parented by a property
- // assignment in an object literal that is an assignment target, or if it is parented by an array literal that is
- // an assignment target. Examples include 'a = xxx', '{ p: a } = xxx', '[{ a }] = xxx'.
- // (Note that `p` is not a target in the above examples, only `a`.)
- function isAssignmentTarget(node) {
- return getAssignmentTargetKind(node) !== 0 /* None */;
- }
- ts.isAssignmentTarget = isAssignmentTarget;
- /**
- * Indicates whether a node could contain a `var` VariableDeclarationList that contributes to
- * the same `var` declaration scope as the node's parent.
- */
- function isNodeWithPossibleHoistedDeclaration(node) {
- switch (node.kind) {
- case 223 /* Block */:
- case 225 /* VariableStatement */:
- case 236 /* WithStatement */:
- case 227 /* IfStatement */:
- case 237 /* SwitchStatement */:
- case 251 /* CaseBlock */:
- case 277 /* CaseClause */:
- case 278 /* DefaultClause */:
- case 238 /* LabeledStatement */:
- case 230 /* ForStatement */:
- case 231 /* ForInStatement */:
- case 232 /* ForOfStatement */:
- case 228 /* DoStatement */:
- case 229 /* WhileStatement */:
- case 240 /* TryStatement */:
- case 280 /* CatchClause */:
- return true;
- }
- return false;
- }
- ts.isNodeWithPossibleHoistedDeclaration = isNodeWithPossibleHoistedDeclaration;
- function isValueSignatureDeclaration(node) {
- return ts.isFunctionExpression(node) || ts.isArrowFunction(node) || ts.isMethodOrAccessor(node) || ts.isFunctionDeclaration(node) || ts.isConstructorDeclaration(node);
- }
- ts.isValueSignatureDeclaration = isValueSignatureDeclaration;
- function walkUp(node, kind) {
- while (node && node.kind === kind) {
- node = node.parent;
- }
- return node;
- }
- function walkUpParenthesizedTypes(node) {
- return walkUp(node, 182 /* ParenthesizedType */);
- }
- ts.walkUpParenthesizedTypes = walkUpParenthesizedTypes;
- function walkUpParenthesizedExpressions(node) {
- return walkUp(node, 200 /* ParenthesizedExpression */);
- }
- ts.walkUpParenthesizedExpressions = walkUpParenthesizedExpressions;
- function skipParentheses(node) {
- return ts.skipOuterExpressions(node, 1 /* Parentheses */);
- }
- ts.skipParentheses = skipParentheses;
- function skipParenthesesUp(node) {
- while (node.kind === 200 /* ParenthesizedExpression */) {
- node = node.parent;
- }
- return node;
- }
- // a node is delete target iff. it is PropertyAccessExpression/ElementAccessExpression with parentheses skipped
- function isDeleteTarget(node) {
- if (node.kind !== 194 /* PropertyAccessExpression */ && node.kind !== 195 /* ElementAccessExpression */) {
- return false;
- }
- node = walkUpParenthesizedExpressions(node.parent);
- return node && node.kind === 203 /* DeleteExpression */;
- }
- ts.isDeleteTarget = isDeleteTarget;
- function isNodeDescendantOf(node, ancestor) {
- while (node) {
- if (node === ancestor)
- return true;
- node = node.parent;
- }
- return false;
- }
- ts.isNodeDescendantOf = isNodeDescendantOf;
- // True if `name` is the name of a declaration node
- function isDeclarationName(name) {
- return !ts.isSourceFile(name) && !ts.isBindingPattern(name) && ts.isDeclaration(name.parent) && name.parent.name === name;
- }
- ts.isDeclarationName = isDeclarationName;
- // See GH#16030
- function getDeclarationFromName(name) {
- var parent = name.parent;
- switch (name.kind) {
- case 10 /* StringLiteral */:
- case 14 /* NoSubstitutionTemplateLiteral */:
- case 8 /* NumericLiteral */:
- if (ts.isComputedPropertyName(parent))
- return parent.parent;
- // falls through
- case 75 /* Identifier */:
- if (ts.isDeclaration(parent)) {
- return parent.name === name ? parent : undefined;
- }
- else if (ts.isQualifiedName(parent)) {
- var tag = parent.parent;
- return ts.isJSDocParameterTag(tag) && tag.name === parent ? tag : undefined;
- }
- else {
- var binExp = parent.parent;
- return ts.isBinaryExpression(binExp) &&
- getAssignmentDeclarationKind(binExp) !== 0 /* None */ &&
- (binExp.left.symbol || binExp.symbol) &&
- ts.getNameOfDeclaration(binExp) === name
- ? binExp
- : undefined;
- }
- case 76 /* PrivateIdentifier */:
- return ts.isDeclaration(parent) && parent.name === name ? parent : undefined;
- default:
- return undefined;
- }
- }
- ts.getDeclarationFromName = getDeclarationFromName;
- function isLiteralComputedPropertyDeclarationName(node) {
- return isStringOrNumericLiteralLike(node) &&
- node.parent.kind === 154 /* ComputedPropertyName */ &&
- ts.isDeclaration(node.parent.parent);
- }
- ts.isLiteralComputedPropertyDeclarationName = isLiteralComputedPropertyDeclarationName;
- // Return true if the given identifier is classified as an IdentifierName
- function isIdentifierName(node) {
- var parent = node.parent;
- switch (parent.kind) {
- case 159 /* PropertyDeclaration */:
- case 158 /* PropertySignature */:
- case 161 /* MethodDeclaration */:
- case 160 /* MethodSignature */:
- case 163 /* GetAccessor */:
- case 164 /* SetAccessor */:
- case 284 /* EnumMember */:
- case 281 /* PropertyAssignment */:
- case 194 /* PropertyAccessExpression */:
- // Name in member declaration or property name in property access
- return parent.name === node;
- case 153 /* QualifiedName */:
- // Name on right hand side of dot in a type query or type reference
- if (parent.right === node) {
- while (parent.kind === 153 /* QualifiedName */) {
- parent = parent.parent;
- }
- return parent.kind === 172 /* TypeQuery */ || parent.kind === 169 /* TypeReference */;
- }
- return false;
- case 191 /* BindingElement */:
- case 258 /* ImportSpecifier */:
- // Property name in binding element or import specifier
- return parent.propertyName === node;
- case 263 /* ExportSpecifier */:
- case 273 /* JsxAttribute */:
- // Any name in an export specifier or JSX Attribute
- return true;
- }
- return false;
- }
- ts.isIdentifierName = isIdentifierName;
- // An alias symbol is created by one of the following declarations:
- // import <symbol> = ...
- // import <symbol> from ...
- // import * as <symbol> from ...
- // import { x as <symbol> } from ...
- // export { x as <symbol> } from ...
- // export * as ns <symbol> from ...
- // export = <EntityNameExpression>
- // export default <EntityNameExpression>
- // module.exports = <EntityNameExpression>
- // {<Identifier>}
- // {name: <EntityNameExpression>}
- function isAliasSymbolDeclaration(node) {
- return node.kind === 253 /* ImportEqualsDeclaration */ ||
- node.kind === 252 /* NamespaceExportDeclaration */ ||
- node.kind === 255 /* ImportClause */ && !!node.name ||
- node.kind === 256 /* NamespaceImport */ ||
- node.kind === 262 /* NamespaceExport */ ||
- node.kind === 258 /* ImportSpecifier */ ||
- node.kind === 263 /* ExportSpecifier */ ||
- node.kind === 259 /* ExportAssignment */ && exportAssignmentIsAlias(node) ||
- ts.isBinaryExpression(node) && getAssignmentDeclarationKind(node) === 2 /* ModuleExports */ && exportAssignmentIsAlias(node) ||
- ts.isPropertyAccessExpression(node) && ts.isBinaryExpression(node.parent) && node.parent.left === node && node.parent.operatorToken.kind === 62 /* EqualsToken */ && isAliasableExpression(node.parent.right) ||
- node.kind === 282 /* ShorthandPropertyAssignment */ ||
- node.kind === 281 /* PropertyAssignment */ && isAliasableExpression(node.initializer);
- }
- ts.isAliasSymbolDeclaration = isAliasSymbolDeclaration;
- function getAliasDeclarationFromName(node) {
- switch (node.parent.kind) {
- case 255 /* ImportClause */:
- case 258 /* ImportSpecifier */:
- case 256 /* NamespaceImport */:
- case 263 /* ExportSpecifier */:
- case 259 /* ExportAssignment */:
- case 253 /* ImportEqualsDeclaration */:
- return node.parent;
- case 153 /* QualifiedName */:
- do {
- node = node.parent;
- } while (node.parent.kind === 153 /* QualifiedName */);
- return getAliasDeclarationFromName(node);
- }
- }
- ts.getAliasDeclarationFromName = getAliasDeclarationFromName;
- function isAliasableExpression(e) {
- return isEntityNameExpression(e) || ts.isClassExpression(e);
- }
- ts.isAliasableExpression = isAliasableExpression;
- function exportAssignmentIsAlias(node) {
- var e = getExportAssignmentExpression(node);
- return isAliasableExpression(e);
- }
- ts.exportAssignmentIsAlias = exportAssignmentIsAlias;
- function getExportAssignmentExpression(node) {
- return ts.isExportAssignment(node) ? node.expression : node.right;
- }
- ts.getExportAssignmentExpression = getExportAssignmentExpression;
- function getPropertyAssignmentAliasLikeExpression(node) {
- return node.kind === 282 /* ShorthandPropertyAssignment */ ? node.name : node.kind === 281 /* PropertyAssignment */ ? node.initializer :
- node.parent.right;
- }
- ts.getPropertyAssignmentAliasLikeExpression = getPropertyAssignmentAliasLikeExpression;
- function getEffectiveBaseTypeNode(node) {
- var baseType = getClassExtendsHeritageElement(node);
- if (baseType && isInJSFile(node)) {
- // Prefer an @augments tag because it may have type parameters.
- var tag = ts.getJSDocAugmentsTag(node);
- if (tag) {
- return tag.class;
- }
- }
- return baseType;
- }
- ts.getEffectiveBaseTypeNode = getEffectiveBaseTypeNode;
- function getClassExtendsHeritageElement(node) {
- var heritageClause = getHeritageClause(node.heritageClauses, 90 /* ExtendsKeyword */);
- return heritageClause && heritageClause.types.length > 0 ? heritageClause.types[0] : undefined;
- }
- ts.getClassExtendsHeritageElement = getClassExtendsHeritageElement;
- function getEffectiveImplementsTypeNodes(node) {
- if (isInJSFile(node)) {
- return ts.getJSDocImplementsTags(node).map(function (n) { return n.class; });
- }
- else {
- var heritageClause = getHeritageClause(node.heritageClauses, 113 /* ImplementsKeyword */);
- return heritageClause === null || heritageClause === void 0 ? void 0 : heritageClause.types;
- }
- }
- ts.getEffectiveImplementsTypeNodes = getEffectiveImplementsTypeNodes;
- /** Returns the node in an `extends` or `implements` clause of a class or interface. */
- function getAllSuperTypeNodes(node) {
- return ts.isInterfaceDeclaration(node) ? getInterfaceBaseTypeNodes(node) || ts.emptyArray :
- ts.isClassLike(node) ? ts.concatenate(ts.singleElementArray(getEffectiveBaseTypeNode(node)), getEffectiveImplementsTypeNodes(node)) || ts.emptyArray :
- ts.emptyArray;
- }
- ts.getAllSuperTypeNodes = getAllSuperTypeNodes;
- function getInterfaceBaseTypeNodes(node) {
- var heritageClause = getHeritageClause(node.heritageClauses, 90 /* ExtendsKeyword */);
- return heritageClause ? heritageClause.types : undefined;
- }
- ts.getInterfaceBaseTypeNodes = getInterfaceBaseTypeNodes;
- function getHeritageClause(clauses, kind) {
- if (clauses) {
- for (var _i = 0, clauses_1 = clauses; _i < clauses_1.length; _i++) {
- var clause = clauses_1[_i];
- if (clause.token === kind) {
- return clause;
- }
- }
- }
- return undefined;
- }
- ts.getHeritageClause = getHeritageClause;
- function getAncestor(node, kind) {
- while (node) {
- if (node.kind === kind) {
- return node;
- }
- node = node.parent;
- }
- return undefined;
- }
- ts.getAncestor = getAncestor;
- function isKeyword(token) {
- return 77 /* FirstKeyword */ <= token && token <= 152 /* LastKeyword */;
- }
- ts.isKeyword = isKeyword;
- function isContextualKeyword(token) {
- return 122 /* FirstContextualKeyword */ <= token && token <= 152 /* LastContextualKeyword */;
- }
- ts.isContextualKeyword = isContextualKeyword;
- function isNonContextualKeyword(token) {
- return isKeyword(token) && !isContextualKeyword(token);
- }
- ts.isNonContextualKeyword = isNonContextualKeyword;
- function isFutureReservedKeyword(token) {
- return 113 /* FirstFutureReservedWord */ <= token && token <= 121 /* LastFutureReservedWord */;
- }
- ts.isFutureReservedKeyword = isFutureReservedKeyword;
- function isStringANonContextualKeyword(name) {
- var token = ts.stringToToken(name);
- return token !== undefined && isNonContextualKeyword(token);
- }
- ts.isStringANonContextualKeyword = isStringANonContextualKeyword;
- function isStringAKeyword(name) {
- var token = ts.stringToToken(name);
- return token !== undefined && isKeyword(token);
- }
- ts.isStringAKeyword = isStringAKeyword;
- function isIdentifierANonContextualKeyword(_a) {
- var originalKeywordKind = _a.originalKeywordKind;
- return !!originalKeywordKind && !isContextualKeyword(originalKeywordKind);
- }
- ts.isIdentifierANonContextualKeyword = isIdentifierANonContextualKeyword;
- function isTrivia(token) {
- return 2 /* FirstTriviaToken */ <= token && token <= 7 /* LastTriviaToken */;
- }
- ts.isTrivia = isTrivia;
- var FunctionFlags;
- (function (FunctionFlags) {
- FunctionFlags[FunctionFlags["Normal"] = 0] = "Normal";
- FunctionFlags[FunctionFlags["Generator"] = 1] = "Generator";
- FunctionFlags[FunctionFlags["Async"] = 2] = "Async";
- FunctionFlags[FunctionFlags["Invalid"] = 4] = "Invalid";
- FunctionFlags[FunctionFlags["AsyncGenerator"] = 3] = "AsyncGenerator";
- })(FunctionFlags = ts.FunctionFlags || (ts.FunctionFlags = {}));
- function getFunctionFlags(node) {
- if (!node) {
- return 4 /* Invalid */;
- }
- var flags = 0 /* Normal */;
- switch (node.kind) {
- case 244 /* FunctionDeclaration */:
- case 201 /* FunctionExpression */:
- case 161 /* MethodDeclaration */:
- if (node.asteriskToken) {
- flags |= 1 /* Generator */;
- }
- // falls through
- case 202 /* ArrowFunction */:
- if (hasModifier(node, 256 /* Async */)) {
- flags |= 2 /* Async */;
- }
- break;
- }
- if (!node.body) {
- flags |= 4 /* Invalid */;
- }
- return flags;
- }
- ts.getFunctionFlags = getFunctionFlags;
- function isAsyncFunction(node) {
- switch (node.kind) {
- case 244 /* FunctionDeclaration */:
- case 201 /* FunctionExpression */:
- case 202 /* ArrowFunction */:
- case 161 /* MethodDeclaration */:
- return node.body !== undefined
- && node.asteriskToken === undefined
- && hasModifier(node, 256 /* Async */);
- }
- return false;
- }
- ts.isAsyncFunction = isAsyncFunction;
- function isStringOrNumericLiteralLike(node) {
- return ts.isStringLiteralLike(node) || ts.isNumericLiteral(node);
- }
- ts.isStringOrNumericLiteralLike = isStringOrNumericLiteralLike;
- function isSignedNumericLiteral(node) {
- return ts.isPrefixUnaryExpression(node) && (node.operator === 39 /* PlusToken */ || node.operator === 40 /* MinusToken */) && ts.isNumericLiteral(node.operand);
- }
- ts.isSignedNumericLiteral = isSignedNumericLiteral;
- /**
- * A declaration has a dynamic name if all of the following are true:
- * 1. The declaration has a computed property name.
- * 2. The computed name is *not* expressed as a StringLiteral.
- * 3. The computed name is *not* expressed as a NumericLiteral.
- * 4. The computed name is *not* expressed as a PlusToken or MinusToken
- * immediately followed by a NumericLiteral.
- * 5. The computed name is *not* expressed as `Symbol.<name>`, where `<name>`
- * is a property of the Symbol constructor that denotes a built-in
- * Symbol.
- */
- function hasDynamicName(declaration) {
- var name = ts.getNameOfDeclaration(declaration);
- return !!name && isDynamicName(name);
- }
- ts.hasDynamicName = hasDynamicName;
- function isDynamicName(name) {
- if (!(name.kind === 154 /* ComputedPropertyName */ || name.kind === 195 /* ElementAccessExpression */)) {
- return false;
- }
- var expr = ts.isElementAccessExpression(name) ? skipParentheses(name.argumentExpression) : name.expression;
- return !isStringOrNumericLiteralLike(expr) &&
- !isSignedNumericLiteral(expr) &&
- !isWellKnownSymbolSyntactically(expr);
- }
- ts.isDynamicName = isDynamicName;
- /**
- * Checks if the expression is of the form:
- * Symbol.name
- * where Symbol is literally the word "Symbol", and name is any identifierName
- */
- function isWellKnownSymbolSyntactically(node) {
- return ts.isPropertyAccessExpression(node) && isESSymbolIdentifier(node.expression);
- }
- ts.isWellKnownSymbolSyntactically = isWellKnownSymbolSyntactically;
- function getPropertyNameForPropertyNameNode(name) {
- switch (name.kind) {
- case 75 /* Identifier */:
- case 76 /* PrivateIdentifier */:
- return name.escapedText;
- case 10 /* StringLiteral */:
- case 8 /* NumericLiteral */:
- return ts.escapeLeadingUnderscores(name.text);
- case 154 /* ComputedPropertyName */:
- var nameExpression = name.expression;
- if (isWellKnownSymbolSyntactically(nameExpression)) {
- return getPropertyNameForKnownSymbolName(ts.idText(nameExpression.name));
- }
- else if (isStringOrNumericLiteralLike(nameExpression)) {
- return ts.escapeLeadingUnderscores(nameExpression.text);
- }
- return undefined;
- default:
- return ts.Debug.assertNever(name);
- }
- }
- ts.getPropertyNameForPropertyNameNode = getPropertyNameForPropertyNameNode;
- function isPropertyNameLiteral(node) {
- switch (node.kind) {
- case 75 /* Identifier */:
- case 10 /* StringLiteral */:
- case 14 /* NoSubstitutionTemplateLiteral */:
- case 8 /* NumericLiteral */:
- return true;
- default:
- return false;
- }
- }
- ts.isPropertyNameLiteral = isPropertyNameLiteral;
- function getTextOfIdentifierOrLiteral(node) {
- return ts.isIdentifierOrPrivateIdentifier(node) ? ts.idText(node) : node.text;
- }
- ts.getTextOfIdentifierOrLiteral = getTextOfIdentifierOrLiteral;
- function getEscapedTextOfIdentifierOrLiteral(node) {
- return ts.isIdentifierOrPrivateIdentifier(node) ? node.escapedText : ts.escapeLeadingUnderscores(node.text);
- }
- ts.getEscapedTextOfIdentifierOrLiteral = getEscapedTextOfIdentifierOrLiteral;
- function getPropertyNameForUniqueESSymbol(symbol) {
- return "__@" + ts.getSymbolId(symbol) + "@" + symbol.escapedName;
- }
- ts.getPropertyNameForUniqueESSymbol = getPropertyNameForUniqueESSymbol;
- function getPropertyNameForKnownSymbolName(symbolName) {
- return "__@" + symbolName;
- }
- ts.getPropertyNameForKnownSymbolName = getPropertyNameForKnownSymbolName;
- function getSymbolNameForPrivateIdentifier(containingClassSymbol, description) {
- return "__#" + ts.getSymbolId(containingClassSymbol) + "@" + description;
- }
- ts.getSymbolNameForPrivateIdentifier = getSymbolNameForPrivateIdentifier;
- function isKnownSymbol(symbol) {
- return ts.startsWith(symbol.escapedName, "__@");
- }
- ts.isKnownSymbol = isKnownSymbol;
- /**
- * Includes the word "Symbol" with unicode escapes
- */
- function isESSymbolIdentifier(node) {
- return node.kind === 75 /* Identifier */ && node.escapedText === "Symbol";
- }
- ts.isESSymbolIdentifier = isESSymbolIdentifier;
- function isPushOrUnshiftIdentifier(node) {
- return node.escapedText === "push" || node.escapedText === "unshift";
- }
- ts.isPushOrUnshiftIdentifier = isPushOrUnshiftIdentifier;
- function isParameterDeclaration(node) {
- var root = getRootDeclaration(node);
- return root.kind === 156 /* Parameter */;
- }
- ts.isParameterDeclaration = isParameterDeclaration;
- function getRootDeclaration(node) {
- while (node.kind === 191 /* BindingElement */) {
- node = node.parent.parent;
- }
- return node;
- }
- ts.getRootDeclaration = getRootDeclaration;
- function nodeStartsNewLexicalEnvironment(node) {
- var kind = node.kind;
- return kind === 162 /* Constructor */
- || kind === 201 /* FunctionExpression */
- || kind === 244 /* FunctionDeclaration */
- || kind === 202 /* ArrowFunction */
- || kind === 161 /* MethodDeclaration */
- || kind === 163 /* GetAccessor */
- || kind === 164 /* SetAccessor */
- || kind === 249 /* ModuleDeclaration */
- || kind === 290 /* SourceFile */;
- }
- ts.nodeStartsNewLexicalEnvironment = nodeStartsNewLexicalEnvironment;
- function nodeIsSynthesized(range) {
- return positionIsSynthesized(range.pos)
- || positionIsSynthesized(range.end);
- }
- ts.nodeIsSynthesized = nodeIsSynthesized;
- function getOriginalSourceFile(sourceFile) {
- return ts.getParseTreeNode(sourceFile, ts.isSourceFile) || sourceFile;
- }
- ts.getOriginalSourceFile = getOriginalSourceFile;
- var Associativity;
- (function (Associativity) {
- Associativity[Associativity["Left"] = 0] = "Left";
- Associativity[Associativity["Right"] = 1] = "Right";
- })(Associativity = ts.Associativity || (ts.Associativity = {}));
- function getExpressionAssociativity(expression) {
- var operator = getOperator(expression);
- var hasArguments = expression.kind === 197 /* NewExpression */ && expression.arguments !== undefined;
- return getOperatorAssociativity(expression.kind, operator, hasArguments);
- }
- ts.getExpressionAssociativity = getExpressionAssociativity;
- function getOperatorAssociativity(kind, operator, hasArguments) {
- switch (kind) {
- case 197 /* NewExpression */:
- return hasArguments ? 0 /* Left */ : 1 /* Right */;
- case 207 /* PrefixUnaryExpression */:
- case 204 /* TypeOfExpression */:
- case 205 /* VoidExpression */:
- case 203 /* DeleteExpression */:
- case 206 /* AwaitExpression */:
- case 210 /* ConditionalExpression */:
- case 212 /* YieldExpression */:
- return 1 /* Right */;
- case 209 /* BinaryExpression */:
- switch (operator) {
- case 42 /* AsteriskAsteriskToken */:
- case 62 /* EqualsToken */:
- case 63 /* PlusEqualsToken */:
- case 64 /* MinusEqualsToken */:
- case 66 /* AsteriskAsteriskEqualsToken */:
- case 65 /* AsteriskEqualsToken */:
- case 67 /* SlashEqualsToken */:
- case 68 /* PercentEqualsToken */:
- case 69 /* LessThanLessThanEqualsToken */:
- case 70 /* GreaterThanGreaterThanEqualsToken */:
- case 71 /* GreaterThanGreaterThanGreaterThanEqualsToken */:
- case 72 /* AmpersandEqualsToken */:
- case 74 /* CaretEqualsToken */:
- case 73 /* BarEqualsToken */:
- return 1 /* Right */;
- }
- }
- return 0 /* Left */;
- }
- ts.getOperatorAssociativity = getOperatorAssociativity;
- function getExpressionPrecedence(expression) {
- var operator = getOperator(expression);
- var hasArguments = expression.kind === 197 /* NewExpression */ && expression.arguments !== undefined;
- return getOperatorPrecedence(expression.kind, operator, hasArguments);
- }
- ts.getExpressionPrecedence = getExpressionPrecedence;
- function getOperator(expression) {
- if (expression.kind === 209 /* BinaryExpression */) {
- return expression.operatorToken.kind;
- }
- else if (expression.kind === 207 /* PrefixUnaryExpression */ || expression.kind === 208 /* PostfixUnaryExpression */) {
- return expression.operator;
- }
- else {
- return expression.kind;
- }
- }
- ts.getOperator = getOperator;
- function getOperatorPrecedence(nodeKind, operatorKind, hasArguments) {
- switch (nodeKind) {
- case 327 /* CommaListExpression */:
- return 0;
- case 213 /* SpreadElement */:
- return 1;
- case 212 /* YieldExpression */:
- return 2;
- case 210 /* ConditionalExpression */:
- return 4;
- case 209 /* BinaryExpression */:
- switch (operatorKind) {
- case 27 /* CommaToken */:
- return 0;
- case 62 /* EqualsToken */:
- case 63 /* PlusEqualsToken */:
- case 64 /* MinusEqualsToken */:
- case 66 /* AsteriskAsteriskEqualsToken */:
- case 65 /* AsteriskEqualsToken */:
- case 67 /* SlashEqualsToken */:
- case 68 /* PercentEqualsToken */:
- case 69 /* LessThanLessThanEqualsToken */:
- case 70 /* GreaterThanGreaterThanEqualsToken */:
- case 71 /* GreaterThanGreaterThanGreaterThanEqualsToken */:
- case 72 /* AmpersandEqualsToken */:
- case 74 /* CaretEqualsToken */:
- case 73 /* BarEqualsToken */:
- return 3;
- default:
- return getBinaryOperatorPrecedence(operatorKind);
- }
- case 207 /* PrefixUnaryExpression */:
- case 204 /* TypeOfExpression */:
- case 205 /* VoidExpression */:
- case 203 /* DeleteExpression */:
- case 206 /* AwaitExpression */:
- return 16;
- case 208 /* PostfixUnaryExpression */:
- return 17;
- case 196 /* CallExpression */:
- return 18;
- case 197 /* NewExpression */:
- return hasArguments ? 19 : 18;
- case 198 /* TaggedTemplateExpression */:
- case 194 /* PropertyAccessExpression */:
- case 195 /* ElementAccessExpression */:
- return 19;
- case 104 /* ThisKeyword */:
- case 102 /* SuperKeyword */:
- case 75 /* Identifier */:
- case 100 /* NullKeyword */:
- case 106 /* TrueKeyword */:
- case 91 /* FalseKeyword */:
- case 8 /* NumericLiteral */:
- case 9 /* BigIntLiteral */:
- case 10 /* StringLiteral */:
- case 192 /* ArrayLiteralExpression */:
- case 193 /* ObjectLiteralExpression */:
- case 201 /* FunctionExpression */:
- case 202 /* ArrowFunction */:
- case 214 /* ClassExpression */:
- case 266 /* JsxElement */:
- case 267 /* JsxSelfClosingElement */:
- case 270 /* JsxFragment */:
- case 13 /* RegularExpressionLiteral */:
- case 14 /* NoSubstitutionTemplateLiteral */:
- case 211 /* TemplateExpression */:
- case 200 /* ParenthesizedExpression */:
- case 215 /* OmittedExpression */:
- return 20;
- default:
- return -1;
- }
- }
- ts.getOperatorPrecedence = getOperatorPrecedence;
- function getBinaryOperatorPrecedence(kind) {
- switch (kind) {
- case 60 /* QuestionQuestionToken */:
- return 4;
- case 56 /* BarBarToken */:
- return 5;
- case 55 /* AmpersandAmpersandToken */:
- return 6;
- case 51 /* BarToken */:
- return 7;
- case 52 /* CaretToken */:
- return 8;
- case 50 /* AmpersandToken */:
- return 9;
- case 34 /* EqualsEqualsToken */:
- case 35 /* ExclamationEqualsToken */:
- case 36 /* EqualsEqualsEqualsToken */:
- case 37 /* ExclamationEqualsEqualsToken */:
- return 10;
- case 29 /* LessThanToken */:
- case 31 /* GreaterThanToken */:
- case 32 /* LessThanEqualsToken */:
- case 33 /* GreaterThanEqualsToken */:
- case 98 /* InstanceOfKeyword */:
- case 97 /* InKeyword */:
- case 123 /* AsKeyword */:
- return 11;
- case 47 /* LessThanLessThanToken */:
- case 48 /* GreaterThanGreaterThanToken */:
- case 49 /* GreaterThanGreaterThanGreaterThanToken */:
- return 12;
- case 39 /* PlusToken */:
- case 40 /* MinusToken */:
- return 13;
- case 41 /* AsteriskToken */:
- case 43 /* SlashToken */:
- case 44 /* PercentToken */:
- return 14;
- case 42 /* AsteriskAsteriskToken */:
- return 15;
- }
- // -1 is lower than all other precedences. Returning it will cause binary expression
- // parsing to stop.
- return -1;
- }
- ts.getBinaryOperatorPrecedence = getBinaryOperatorPrecedence;
- function createDiagnosticCollection() {
- var nonFileDiagnostics = []; // See GH#19873
- var filesWithDiagnostics = [];
- var fileDiagnostics = ts.createMap();
- var hasReadNonFileDiagnostics = false;
- return {
- add: add,
- lookup: lookup,
- getGlobalDiagnostics: getGlobalDiagnostics,
- getDiagnostics: getDiagnostics,
- reattachFileDiagnostics: reattachFileDiagnostics
- };
- function reattachFileDiagnostics(newFile) {
- ts.forEach(fileDiagnostics.get(newFile.fileName), function (diagnostic) { return diagnostic.file = newFile; });
- }
- function lookup(diagnostic) {
- var diagnostics;
- if (diagnostic.file) {
- diagnostics = fileDiagnostics.get(diagnostic.file.fileName);
- }
- else {
- diagnostics = nonFileDiagnostics;
- }
- if (!diagnostics) {
- return undefined;
- }
- var result = ts.binarySearch(diagnostics, diagnostic, ts.identity, compareDiagnosticsSkipRelatedInformation);
- if (result >= 0) {
- return diagnostics[result];
- }
- return undefined;
- }
- function add(diagnostic) {
- var diagnostics;
- if (diagnostic.file) {
- diagnostics = fileDiagnostics.get(diagnostic.file.fileName);
- if (!diagnostics) {
- diagnostics = []; // See GH#19873
- fileDiagnostics.set(diagnostic.file.fileName, diagnostics);
- ts.insertSorted(filesWithDiagnostics, diagnostic.file.fileName, ts.compareStringsCaseSensitive);
- }
- }
- else {
- // If we've already read the non-file diagnostics, do not modify the existing array.
- if (hasReadNonFileDiagnostics) {
- hasReadNonFileDiagnostics = false;
- nonFileDiagnostics = nonFileDiagnostics.slice();
- }
- diagnostics = nonFileDiagnostics;
- }
- ts.insertSorted(diagnostics, diagnostic, compareDiagnostics);
- }
- function getGlobalDiagnostics() {
- hasReadNonFileDiagnostics = true;
- return nonFileDiagnostics;
- }
- function getDiagnostics(fileName) {
- if (fileName) {
- return fileDiagnostics.get(fileName) || [];
- }
- var fileDiags = ts.flatMapToMutable(filesWithDiagnostics, function (f) { return fileDiagnostics.get(f); });
- if (!nonFileDiagnostics.length) {
- return fileDiags;
- }
- fileDiags.unshift.apply(fileDiags, nonFileDiagnostics);
- return fileDiags;
- }
- }
- ts.createDiagnosticCollection = createDiagnosticCollection;
- var templateSubstitutionRegExp = /\$\{/g;
- function escapeTemplateSubstitution(str) {
- return str.replace(templateSubstitutionRegExp, "\\${");
- }
- /** @internal */
- function hasInvalidEscape(template) {
- return template && !!(ts.isNoSubstitutionTemplateLiteral(template)
- ? template.templateFlags
- : (template.head.templateFlags || ts.some(template.templateSpans, function (span) { return !!span.literal.templateFlags; })));
- }
- ts.hasInvalidEscape = hasInvalidEscape;
- // This consists of the first 19 unprintable ASCII characters, canonical escapes, lineSeparator,
- // paragraphSeparator, and nextLine. The latter three are just desirable to suppress new lines in
- // the language service. These characters should be escaped when printing, and if any characters are added,
- // the map below must be updated. Note that this regexp *does not* include the 'delete' character.
- // There is no reason for this other than that JSON.stringify does not handle it either.
- var doubleQuoteEscapedCharsRegExp = /[\\\"\u0000-\u001f\t\v\f\b\r\n\u2028\u2029\u0085]/g;
- var singleQuoteEscapedCharsRegExp = /[\\\'\u0000-\u001f\t\v\f\b\r\n\u2028\u2029\u0085]/g;
- // Template strings should be preserved as much as possible
- var backtickQuoteEscapedCharsRegExp = /[\\`]/g;
- var escapedCharsMap = ts.createMapFromTemplate({
- "\t": "\\t",
- "\v": "\\v",
- "\f": "\\f",
- "\b": "\\b",
- "\r": "\\r",
- "\n": "\\n",
- "\\": "\\\\",
- "\"": "\\\"",
- "\'": "\\\'",
- "\`": "\\\`",
- "\u2028": "\\u2028",
- "\u2029": "\\u2029",
- "\u0085": "\\u0085" // nextLine
- });
- function encodeUtf16EscapeSequence(charCode) {
- var hexCharCode = charCode.toString(16).toUpperCase();
- var paddedHexCode = ("0000" + hexCharCode).slice(-4);
- return "\\u" + paddedHexCode;
- }
- function getReplacement(c, offset, input) {
- if (c.charCodeAt(0) === 0 /* nullCharacter */) {
- var lookAhead = input.charCodeAt(offset + c.length);
- if (lookAhead >= 48 /* _0 */ && lookAhead <= 57 /* _9 */) {
- // If the null character is followed by digits, print as a hex escape to prevent the result from parsing as an octal (which is forbidden in strict mode)
- return "\\x00";
- }
- // Otherwise, keep printing a literal \0 for the null character
- return "\\0";
- }
- return escapedCharsMap.get(c) || encodeUtf16EscapeSequence(c.charCodeAt(0));
- }
- /**
- * Based heavily on the abstract 'Quote'/'QuoteJSONString' operation from ECMA-262 (24.3.2.2),
- * but augmented for a few select characters (e.g. lineSeparator, paragraphSeparator, nextLine)
- * Note that this doesn't actually wrap the input in double quotes.
- */
- function escapeString(s, quoteChar) {
- var escapedCharsRegExp = quoteChar === 96 /* backtick */ ? backtickQuoteEscapedCharsRegExp :
- quoteChar === 39 /* singleQuote */ ? singleQuoteEscapedCharsRegExp :
- doubleQuoteEscapedCharsRegExp;
- return s.replace(escapedCharsRegExp, getReplacement);
- }
- ts.escapeString = escapeString;
- var nonAsciiCharacters = /[^\u0000-\u007F]/g;
- function escapeNonAsciiString(s, quoteChar) {
- s = escapeString(s, quoteChar);
- // Replace non-ASCII characters with '\uNNNN' escapes if any exist.
- // Otherwise just return the original string.
- return nonAsciiCharacters.test(s) ?
- s.replace(nonAsciiCharacters, function (c) { return encodeUtf16EscapeSequence(c.charCodeAt(0)); }) :
- s;
- }
- ts.escapeNonAsciiString = escapeNonAsciiString;
- // This consists of the first 19 unprintable ASCII characters, JSX canonical escapes, lineSeparator,
- // paragraphSeparator, and nextLine. The latter three are just desirable to suppress new lines in
- // the language service. These characters should be escaped when printing, and if any characters are added,
- // the map below must be updated.
- var jsxDoubleQuoteEscapedCharsRegExp = /[\"\u0000-\u001f\u2028\u2029\u0085]/g;
- var jsxSingleQuoteEscapedCharsRegExp = /[\'\u0000-\u001f\u2028\u2029\u0085]/g;
- var jsxEscapedCharsMap = ts.createMapFromTemplate({
- "\"": """,
- "\'": "'"
- });
- function encodeJsxCharacterEntity(charCode) {
- var hexCharCode = charCode.toString(16).toUpperCase();
- return "&#x" + hexCharCode + ";";
- }
- function getJsxAttributeStringReplacement(c) {
- if (c.charCodeAt(0) === 0 /* nullCharacter */) {
- return "�";
- }
- return jsxEscapedCharsMap.get(c) || encodeJsxCharacterEntity(c.charCodeAt(0));
- }
- function escapeJsxAttributeString(s, quoteChar) {
- var escapedCharsRegExp = quoteChar === 39 /* singleQuote */ ? jsxSingleQuoteEscapedCharsRegExp :
- jsxDoubleQuoteEscapedCharsRegExp;
- return s.replace(escapedCharsRegExp, getJsxAttributeStringReplacement);
- }
- ts.escapeJsxAttributeString = escapeJsxAttributeString;
- /**
- * Strip off existed surrounding single quotes, double quotes, or backticks from a given string
- *
- * @return non-quoted string
- */
- function stripQuotes(name) {
- var length = name.length;
- if (length >= 2 && name.charCodeAt(0) === name.charCodeAt(length - 1) && isQuoteOrBacktick(name.charCodeAt(0))) {
- return name.substring(1, length - 1);
- }
- return name;
- }
- ts.stripQuotes = stripQuotes;
- function isQuoteOrBacktick(charCode) {
- return charCode === 39 /* singleQuote */ ||
- charCode === 34 /* doubleQuote */ ||
- charCode === 96 /* backtick */;
- }
- function isIntrinsicJsxName(name) {
- var ch = name.charCodeAt(0);
- return (ch >= 97 /* a */ && ch <= 122 /* z */) || ts.stringContains(name, "-");
- }
- ts.isIntrinsicJsxName = isIntrinsicJsxName;
- var indentStrings = ["", " "];
- function getIndentString(level) {
- if (indentStrings[level] === undefined) {
- indentStrings[level] = getIndentString(level - 1) + indentStrings[1];
- }
- return indentStrings[level];
- }
- ts.getIndentString = getIndentString;
- function getIndentSize() {
- return indentStrings[1].length;
- }
- ts.getIndentSize = getIndentSize;
- function createTextWriter(newLine) {
- var output;
- var indent;
- var lineStart;
- var lineCount;
- var linePos;
- var hasTrailingComment = false;
- function updateLineCountAndPosFor(s) {
- var lineStartsOfS = ts.computeLineStarts(s);
- if (lineStartsOfS.length > 1) {
- lineCount = lineCount + lineStartsOfS.length - 1;
- linePos = output.length - s.length + ts.last(lineStartsOfS);
- lineStart = (linePos - output.length) === 0;
- }
- else {
- lineStart = false;
- }
- }
- function writeText(s) {
- if (s && s.length) {
- if (lineStart) {
- s = getIndentString(indent) + s;
- lineStart = false;
- }
- output += s;
- updateLineCountAndPosFor(s);
- }
- }
- function write(s) {
- if (s)
- hasTrailingComment = false;
- writeText(s);
- }
- function writeComment(s) {
- if (s)
- hasTrailingComment = true;
- writeText(s);
- }
- function reset() {
- output = "";
- indent = 0;
- lineStart = true;
- lineCount = 0;
- linePos = 0;
- hasTrailingComment = false;
- }
- function rawWrite(s) {
- if (s !== undefined) {
- output += s;
- updateLineCountAndPosFor(s);
- hasTrailingComment = false;
- }
- }
- function writeLiteral(s) {
- if (s && s.length) {
- write(s);
- }
- }
- function writeLine(force) {
- if (!lineStart || force) {
- output += newLine;
- lineCount++;
- linePos = output.length;
- lineStart = true;
- hasTrailingComment = false;
- }
- }
- function getTextPosWithWriteLine() {
- return lineStart ? output.length : (output.length + newLine.length);
- }
- reset();
- return {
- write: write,
- rawWrite: rawWrite,
- writeLiteral: writeLiteral,
- writeLine: writeLine,
- increaseIndent: function () { indent++; },
- decreaseIndent: function () { indent--; },
- getIndent: function () { return indent; },
- getTextPos: function () { return output.length; },
- getLine: function () { return lineCount; },
- getColumn: function () { return lineStart ? indent * getIndentSize() : output.length - linePos; },
- getText: function () { return output; },
- isAtStartOfLine: function () { return lineStart; },
- hasTrailingComment: function () { return hasTrailingComment; },
- hasTrailingWhitespace: function () { return !!output.length && ts.isWhiteSpaceLike(output.charCodeAt(output.length - 1)); },
- clear: reset,
- reportInaccessibleThisError: ts.noop,
- reportPrivateInBaseOfClassExpression: ts.noop,
- reportInaccessibleUniqueSymbolError: ts.noop,
- trackSymbol: ts.noop,
- writeKeyword: write,
- writeOperator: write,
- writeParameter: write,
- writeProperty: write,
- writePunctuation: write,
- writeSpace: write,
- writeStringLiteral: write,
- writeSymbol: function (s, _) { return write(s); },
- writeTrailingSemicolon: write,
- writeComment: writeComment,
- getTextPosWithWriteLine: getTextPosWithWriteLine
- };
- }
- ts.createTextWriter = createTextWriter;
- function getTrailingSemicolonDeferringWriter(writer) {
- var pendingTrailingSemicolon = false;
- function commitPendingTrailingSemicolon() {
- if (pendingTrailingSemicolon) {
- writer.writeTrailingSemicolon(";");
- pendingTrailingSemicolon = false;
- }
- }
- return __assign(__assign({}, writer), { writeTrailingSemicolon: function () {
- pendingTrailingSemicolon = true;
- },
- writeLiteral: function (s) {
- commitPendingTrailingSemicolon();
- writer.writeLiteral(s);
- },
- writeStringLiteral: function (s) {
- commitPendingTrailingSemicolon();
- writer.writeStringLiteral(s);
- },
- writeSymbol: function (s, sym) {
- commitPendingTrailingSemicolon();
- writer.writeSymbol(s, sym);
- },
- writePunctuation: function (s) {
- commitPendingTrailingSemicolon();
- writer.writePunctuation(s);
- },
- writeKeyword: function (s) {
- commitPendingTrailingSemicolon();
- writer.writeKeyword(s);
- },
- writeOperator: function (s) {
- commitPendingTrailingSemicolon();
- writer.writeOperator(s);
- },
- writeParameter: function (s) {
- commitPendingTrailingSemicolon();
- writer.writeParameter(s);
- },
- writeSpace: function (s) {
- commitPendingTrailingSemicolon();
- writer.writeSpace(s);
- },
- writeProperty: function (s) {
- commitPendingTrailingSemicolon();
- writer.writeProperty(s);
- },
- writeComment: function (s) {
- commitPendingTrailingSemicolon();
- writer.writeComment(s);
- },
- writeLine: function () {
- commitPendingTrailingSemicolon();
- writer.writeLine();
- },
- increaseIndent: function () {
- commitPendingTrailingSemicolon();
- writer.increaseIndent();
- },
- decreaseIndent: function () {
- commitPendingTrailingSemicolon();
- writer.decreaseIndent();
- } });
- }
- ts.getTrailingSemicolonDeferringWriter = getTrailingSemicolonDeferringWriter;
- function hostUsesCaseSensitiveFileNames(host) {
- return host.useCaseSensitiveFileNames ? host.useCaseSensitiveFileNames() : false;
- }
- ts.hostUsesCaseSensitiveFileNames = hostUsesCaseSensitiveFileNames;
- function hostGetCanonicalFileName(host) {
- return ts.createGetCanonicalFileName(hostUsesCaseSensitiveFileNames(host));
- }
- ts.hostGetCanonicalFileName = hostGetCanonicalFileName;
- function getResolvedExternalModuleName(host, file, referenceFile) {
- return file.moduleName || getExternalModuleNameFromPath(host, file.fileName, referenceFile && referenceFile.fileName);
- }
- ts.getResolvedExternalModuleName = getResolvedExternalModuleName;
- function getExternalModuleNameFromDeclaration(host, resolver, declaration) {
- var file = resolver.getExternalModuleFileFromDeclaration(declaration);
- if (!file || file.isDeclarationFile) {
- return undefined;
- }
- return getResolvedExternalModuleName(host, file);
- }
- ts.getExternalModuleNameFromDeclaration = getExternalModuleNameFromDeclaration;
- /**
- * Resolves a local path to a path which is absolute to the base of the emit
- */
- function getExternalModuleNameFromPath(host, fileName, referencePath) {
- var getCanonicalFileName = function (f) { return host.getCanonicalFileName(f); };
- var dir = ts.toPath(referencePath ? ts.getDirectoryPath(referencePath) : host.getCommonSourceDirectory(), host.getCurrentDirectory(), getCanonicalFileName);
- var filePath = ts.getNormalizedAbsolutePath(fileName, host.getCurrentDirectory());
- var relativePath = ts.getRelativePathToDirectoryOrUrl(dir, filePath, dir, getCanonicalFileName, /*isAbsolutePathAnUrl*/ false);
- var extensionless = removeFileExtension(relativePath);
- return referencePath ? ts.ensurePathIsNonModuleName(extensionless) : extensionless;
- }
- ts.getExternalModuleNameFromPath = getExternalModuleNameFromPath;
- function getOwnEmitOutputFilePath(fileName, host, extension) {
- var compilerOptions = host.getCompilerOptions();
- var emitOutputFilePathWithoutExtension;
- if (compilerOptions.outDir) {
- emitOutputFilePathWithoutExtension = removeFileExtension(getSourceFilePathInNewDir(fileName, host, compilerOptions.outDir));
- }
- else {
- emitOutputFilePathWithoutExtension = removeFileExtension(fileName);
- }
- return emitOutputFilePathWithoutExtension + extension;
- }
- ts.getOwnEmitOutputFilePath = getOwnEmitOutputFilePath;
- function getDeclarationEmitOutputFilePath(fileName, host) {
- return getDeclarationEmitOutputFilePathWorker(fileName, host.getCompilerOptions(), host.getCurrentDirectory(), host.getCommonSourceDirectory(), function (f) { return host.getCanonicalFileName(f); });
- }
- ts.getDeclarationEmitOutputFilePath = getDeclarationEmitOutputFilePath;
- function getDeclarationEmitOutputFilePathWorker(fileName, options, currentDirectory, commonSourceDirectory, getCanonicalFileName) {
- var outputDir = options.declarationDir || options.outDir; // Prefer declaration folder if specified
- var path = outputDir
- ? getSourceFilePathInNewDirWorker(fileName, outputDir, currentDirectory, commonSourceDirectory, getCanonicalFileName)
- : fileName;
- return removeFileExtension(path) + ".d.ts" /* Dts */;
- }
- ts.getDeclarationEmitOutputFilePathWorker = getDeclarationEmitOutputFilePathWorker;
- /**
- * Gets the source files that are expected to have an emit output.
- *
- * Originally part of `forEachExpectedEmitFile`, this functionality was extracted to support
- * transformations.
- *
- * @param host An EmitHost.
- * @param targetSourceFile An optional target source file to emit.
- */
- function getSourceFilesToEmit(host, targetSourceFile, forceDtsEmit) {
- var options = host.getCompilerOptions();
- if (options.outFile || options.out) {
- var moduleKind = getEmitModuleKind(options);
- var moduleEmitEnabled_1 = options.emitDeclarationOnly || moduleKind === ts.ModuleKind.AMD || moduleKind === ts.ModuleKind.System;
- // Can emit only sources that are not declaration file and are either non module code or module with --module or --target es6 specified
- return ts.filter(host.getSourceFiles(), function (sourceFile) {
- return (moduleEmitEnabled_1 || !ts.isExternalModule(sourceFile)) &&
- sourceFileMayBeEmitted(sourceFile, host, forceDtsEmit);
- });
- }
- else {
- var sourceFiles = targetSourceFile === undefined ? host.getSourceFiles() : [targetSourceFile];
- return ts.filter(sourceFiles, function (sourceFile) { return sourceFileMayBeEmitted(sourceFile, host, forceDtsEmit); });
- }
- }
- ts.getSourceFilesToEmit = getSourceFilesToEmit;
- /** Don't call this for `--outFile`, just for `--outDir` or plain emit. `--outFile` needs additional checks. */
- function sourceFileMayBeEmitted(sourceFile, host, forceDtsEmit) {
- var options = host.getCompilerOptions();
- return !(options.noEmitForJsFiles && isSourceFileJS(sourceFile)) &&
- !sourceFile.isDeclarationFile &&
- !host.isSourceFileFromExternalLibrary(sourceFile) &&
- !(isJsonSourceFile(sourceFile) && host.getResolvedProjectReferenceToRedirect(sourceFile.fileName)) &&
- (forceDtsEmit || !host.isSourceOfProjectReferenceRedirect(sourceFile.fileName));
- }
- ts.sourceFileMayBeEmitted = sourceFileMayBeEmitted;
- function getSourceFilePathInNewDir(fileName, host, newDirPath) {
- return getSourceFilePathInNewDirWorker(fileName, newDirPath, host.getCurrentDirectory(), host.getCommonSourceDirectory(), function (f) { return host.getCanonicalFileName(f); });
- }
- ts.getSourceFilePathInNewDir = getSourceFilePathInNewDir;
- function getSourceFilePathInNewDirWorker(fileName, newDirPath, currentDirectory, commonSourceDirectory, getCanonicalFileName) {
- var sourceFilePath = ts.getNormalizedAbsolutePath(fileName, currentDirectory);
- var isSourceFileInCommonSourceDirectory = getCanonicalFileName(sourceFilePath).indexOf(getCanonicalFileName(commonSourceDirectory)) === 0;
- sourceFilePath = isSourceFileInCommonSourceDirectory ? sourceFilePath.substring(commonSourceDirectory.length) : sourceFilePath;
- return ts.combinePaths(newDirPath, sourceFilePath);
- }
- ts.getSourceFilePathInNewDirWorker = getSourceFilePathInNewDirWorker;
- function writeFile(host, diagnostics, fileName, data, writeByteOrderMark, sourceFiles) {
- host.writeFile(fileName, data, writeByteOrderMark, function (hostErrorMessage) {
- diagnostics.add(createCompilerDiagnostic(ts.Diagnostics.Could_not_write_file_0_Colon_1, fileName, hostErrorMessage));
- }, sourceFiles);
- }
- ts.writeFile = writeFile;
- function ensureDirectoriesExist(directoryPath, createDirectory, directoryExists) {
- if (directoryPath.length > ts.getRootLength(directoryPath) && !directoryExists(directoryPath)) {
- var parentDirectory = ts.getDirectoryPath(directoryPath);
- ensureDirectoriesExist(parentDirectory, createDirectory, directoryExists);
- createDirectory(directoryPath);
- }
- }
- function writeFileEnsuringDirectories(path, data, writeByteOrderMark, writeFile, createDirectory, directoryExists) {
- // PERF: Checking for directory existence is expensive. Instead, assume the directory exists
- // and fall back to creating it if the file write fails.
- try {
- writeFile(path, data, writeByteOrderMark);
- }
- catch (_a) {
- ensureDirectoriesExist(ts.getDirectoryPath(ts.normalizePath(path)), createDirectory, directoryExists);
- writeFile(path, data, writeByteOrderMark);
- }
- }
- ts.writeFileEnsuringDirectories = writeFileEnsuringDirectories;
- function getLineOfLocalPosition(sourceFile, pos) {
- var lineStarts = ts.getLineStarts(sourceFile);
- return ts.computeLineOfPosition(lineStarts, pos);
- }
- ts.getLineOfLocalPosition = getLineOfLocalPosition;
- function getLineOfLocalPositionFromLineMap(lineMap, pos) {
- return ts.computeLineOfPosition(lineMap, pos);
- }
- ts.getLineOfLocalPositionFromLineMap = getLineOfLocalPositionFromLineMap;
- function getFirstConstructorWithBody(node) {
- return ts.find(node.members, function (member) { return ts.isConstructorDeclaration(member) && nodeIsPresent(member.body); });
- }
- ts.getFirstConstructorWithBody = getFirstConstructorWithBody;
- function getSetAccessorValueParameter(accessor) {
- if (accessor && accessor.parameters.length > 0) {
- var hasThis = accessor.parameters.length === 2 && parameterIsThisKeyword(accessor.parameters[0]);
- return accessor.parameters[hasThis ? 1 : 0];
- }
- }
- ts.getSetAccessorValueParameter = getSetAccessorValueParameter;
- /** Get the type annotation for the value parameter. */
- function getSetAccessorTypeAnnotationNode(accessor) {
- var parameter = getSetAccessorValueParameter(accessor);
- return parameter && parameter.type;
- }
- ts.getSetAccessorTypeAnnotationNode = getSetAccessorTypeAnnotationNode;
- function getThisParameter(signature) {
- // callback tags do not currently support this parameters
- if (signature.parameters.length && !ts.isJSDocSignature(signature)) {
- var thisParameter = signature.parameters[0];
- if (parameterIsThisKeyword(thisParameter)) {
- return thisParameter;
- }
- }
- }
- ts.getThisParameter = getThisParameter;
- function parameterIsThisKeyword(parameter) {
- return isThisIdentifier(parameter.name);
- }
- ts.parameterIsThisKeyword = parameterIsThisKeyword;
- function isThisIdentifier(node) {
- return !!node && node.kind === 75 /* Identifier */ && identifierIsThisKeyword(node);
- }
- ts.isThisIdentifier = isThisIdentifier;
- function identifierIsThisKeyword(id) {
- return id.originalKeywordKind === 104 /* ThisKeyword */;
- }
- ts.identifierIsThisKeyword = identifierIsThisKeyword;
- function getAllAccessorDeclarations(declarations, accessor) {
- // TODO: GH#18217
- var firstAccessor;
- var secondAccessor;
- var getAccessor;
- var setAccessor;
- if (hasDynamicName(accessor)) {
- firstAccessor = accessor;
- if (accessor.kind === 163 /* GetAccessor */) {
- getAccessor = accessor;
- }
- else if (accessor.kind === 164 /* SetAccessor */) {
- setAccessor = accessor;
- }
- else {
- ts.Debug.fail("Accessor has wrong kind");
- }
- }
- else {
- ts.forEach(declarations, function (member) {
- if (ts.isAccessor(member)
- && hasModifier(member, 32 /* Static */) === hasModifier(accessor, 32 /* Static */)) {
- var memberName = getPropertyNameForPropertyNameNode(member.name);
- var accessorName = getPropertyNameForPropertyNameNode(accessor.name);
- if (memberName === accessorName) {
- if (!firstAccessor) {
- firstAccessor = member;
- }
- else if (!secondAccessor) {
- secondAccessor = member;
- }
- if (member.kind === 163 /* GetAccessor */ && !getAccessor) {
- // eslint-disable-next-line
- getAccessor = member;
- }
- if (member.kind === 164 /* SetAccessor */ && !setAccessor) {
- // eslint-disable-next-line
- setAccessor = member;
- }
- }
- }
- });
- }
- return {
- firstAccessor: firstAccessor,
- secondAccessor: secondAccessor,
- getAccessor: getAccessor,
- setAccessor: setAccessor
- };
- }
- ts.getAllAccessorDeclarations = getAllAccessorDeclarations;
- /**
- * Gets the effective type annotation of a variable, parameter, or property. If the node was
- * parsed in a JavaScript file, gets the type annotation from JSDoc. Also gets the type of
- * functions only the JSDoc case.
- */
- function getEffectiveTypeAnnotationNode(node) {
- if (!isInJSFile(node) && ts.isFunctionDeclaration(node))
- return undefined;
- var type = node.type;
- if (type || !isInJSFile(node))
- return type;
- return ts.isJSDocPropertyLikeTag(node) ? node.typeExpression && node.typeExpression.type : ts.getJSDocType(node);
- }
- ts.getEffectiveTypeAnnotationNode = getEffectiveTypeAnnotationNode;
- function getTypeAnnotationNode(node) {
- return node.type;
- }
- ts.getTypeAnnotationNode = getTypeAnnotationNode;
- /**
- * Gets the effective return type annotation of a signature. If the node was parsed in a
- * JavaScript file, gets the return type annotation from JSDoc.
- */
- function getEffectiveReturnTypeNode(node) {
- return ts.isJSDocSignature(node) ?
- node.type && node.type.typeExpression && node.type.typeExpression.type :
- node.type || (isInJSFile(node) ? ts.getJSDocReturnType(node) : undefined);
- }
- ts.getEffectiveReturnTypeNode = getEffectiveReturnTypeNode;
- function getJSDocTypeParameterDeclarations(node) {
- return ts.flatMap(ts.getJSDocTags(node), function (tag) { return isNonTypeAliasTemplate(tag) ? tag.typeParameters : undefined; });
- }
- ts.getJSDocTypeParameterDeclarations = getJSDocTypeParameterDeclarations;
- /** template tags are only available when a typedef isn't already using them */
- function isNonTypeAliasTemplate(tag) {
- return ts.isJSDocTemplateTag(tag) && !(tag.parent.kind === 303 /* JSDocComment */ && tag.parent.tags.some(isJSDocTypeAlias));
- }
- /**
- * Gets the effective type annotation of the value parameter of a set accessor. If the node
- * was parsed in a JavaScript file, gets the type annotation from JSDoc.
- */
- function getEffectiveSetAccessorTypeAnnotationNode(node) {
- var parameter = getSetAccessorValueParameter(node);
- return parameter && getEffectiveTypeAnnotationNode(parameter);
- }
- ts.getEffectiveSetAccessorTypeAnnotationNode = getEffectiveSetAccessorTypeAnnotationNode;
- function emitNewLineBeforeLeadingComments(lineMap, writer, node, leadingComments) {
- emitNewLineBeforeLeadingCommentsOfPosition(lineMap, writer, node.pos, leadingComments);
- }
- ts.emitNewLineBeforeLeadingComments = emitNewLineBeforeLeadingComments;
- function emitNewLineBeforeLeadingCommentsOfPosition(lineMap, writer, pos, leadingComments) {
- // If the leading comments start on different line than the start of node, write new line
- if (leadingComments && leadingComments.length && pos !== leadingComments[0].pos &&
- getLineOfLocalPositionFromLineMap(lineMap, pos) !== getLineOfLocalPositionFromLineMap(lineMap, leadingComments[0].pos)) {
- writer.writeLine();
- }
- }
- ts.emitNewLineBeforeLeadingCommentsOfPosition = emitNewLineBeforeLeadingCommentsOfPosition;
- function emitNewLineBeforeLeadingCommentOfPosition(lineMap, writer, pos, commentPos) {
- // If the leading comments start on different line than the start of node, write new line
- if (pos !== commentPos &&
- getLineOfLocalPositionFromLineMap(lineMap, pos) !== getLineOfLocalPositionFromLineMap(lineMap, commentPos)) {
- writer.writeLine();
- }
- }
- ts.emitNewLineBeforeLeadingCommentOfPosition = emitNewLineBeforeLeadingCommentOfPosition;
- function emitComments(text, lineMap, writer, comments, leadingSeparator, trailingSeparator, newLine, writeComment) {
- if (comments && comments.length > 0) {
- if (leadingSeparator) {
- writer.writeSpace(" ");
- }
- var emitInterveningSeparator = false;
- for (var _i = 0, comments_1 = comments; _i < comments_1.length; _i++) {
- var comment = comments_1[_i];
- if (emitInterveningSeparator) {
- writer.writeSpace(" ");
- emitInterveningSeparator = false;
- }
- writeComment(text, lineMap, writer, comment.pos, comment.end, newLine);
- if (comment.hasTrailingNewLine) {
- writer.writeLine();
- }
- else {
- emitInterveningSeparator = true;
- }
- }
- if (emitInterveningSeparator && trailingSeparator) {
- writer.writeSpace(" ");
- }
- }
- }
- ts.emitComments = emitComments;
- /**
- * Detached comment is a comment at the top of file or function body that is separated from
- * the next statement by space.
- */
- function emitDetachedComments(text, lineMap, writer, writeComment, node, newLine, removeComments) {
- var leadingComments;
- var currentDetachedCommentInfo;
- if (removeComments) {
- // removeComments is true, only reserve pinned comment at the top of file
- // For example:
- // /*! Pinned Comment */
- //
- // var x = 10;
- if (node.pos === 0) {
- leadingComments = ts.filter(ts.getLeadingCommentRanges(text, node.pos), isPinnedCommentLocal);
- }
- }
- else {
- // removeComments is false, just get detached as normal and bypass the process to filter comment
- leadingComments = ts.getLeadingCommentRanges(text, node.pos);
- }
- if (leadingComments) {
- var detachedComments = [];
- var lastComment = void 0;
- for (var _i = 0, leadingComments_1 = leadingComments; _i < leadingComments_1.length; _i++) {
- var comment = leadingComments_1[_i];
- if (lastComment) {
- var lastCommentLine = getLineOfLocalPositionFromLineMap(lineMap, lastComment.end);
- var commentLine = getLineOfLocalPositionFromLineMap(lineMap, comment.pos);
- if (commentLine >= lastCommentLine + 2) {
- // There was a blank line between the last comment and this comment. This
- // comment is not part of the copyright comments. Return what we have so
- // far.
- break;
- }
- }
- detachedComments.push(comment);
- lastComment = comment;
- }
- if (detachedComments.length) {
- // All comments look like they could have been part of the copyright header. Make
- // sure there is at least one blank line between it and the node. If not, it's not
- // a copyright header.
- var lastCommentLine = getLineOfLocalPositionFromLineMap(lineMap, ts.last(detachedComments).end);
- var nodeLine = getLineOfLocalPositionFromLineMap(lineMap, ts.skipTrivia(text, node.pos));
- if (nodeLine >= lastCommentLine + 2) {
- // Valid detachedComments
- emitNewLineBeforeLeadingComments(lineMap, writer, node, leadingComments);
- emitComments(text, lineMap, writer, detachedComments, /*leadingSeparator*/ false, /*trailingSeparator*/ true, newLine, writeComment);
- currentDetachedCommentInfo = { nodePos: node.pos, detachedCommentEndPos: ts.last(detachedComments).end };
- }
- }
- }
- return currentDetachedCommentInfo;
- function isPinnedCommentLocal(comment) {
- return isPinnedComment(text, comment.pos);
- }
- }
- ts.emitDetachedComments = emitDetachedComments;
- function writeCommentRange(text, lineMap, writer, commentPos, commentEnd, newLine) {
- if (text.charCodeAt(commentPos + 1) === 42 /* asterisk */) {
- var firstCommentLineAndCharacter = ts.computeLineAndCharacterOfPosition(lineMap, commentPos);
- var lineCount = lineMap.length;
- var firstCommentLineIndent = void 0;
- for (var pos = commentPos, currentLine = firstCommentLineAndCharacter.line; pos < commentEnd; currentLine++) {
- var nextLineStart = (currentLine + 1) === lineCount
- ? text.length + 1
- : lineMap[currentLine + 1];
- if (pos !== commentPos) {
- // If we are not emitting first line, we need to write the spaces to adjust the alignment
- if (firstCommentLineIndent === undefined) {
- firstCommentLineIndent = calculateIndent(text, lineMap[firstCommentLineAndCharacter.line], commentPos);
- }
- // These are number of spaces writer is going to write at current indent
- var currentWriterIndentSpacing = writer.getIndent() * getIndentSize();
- // Number of spaces we want to be writing
- // eg: Assume writer indent
- // module m {
- // /* starts at character 9 this is line 1
- // * starts at character pos 4 line --1 = 8 - 8 + 3
- // More left indented comment */ --2 = 8 - 8 + 2
- // class c { }
- // }
- // module m {
- // /* this is line 1 -- Assume current writer indent 8
- // * line --3 = 8 - 4 + 5
- // More right indented comment */ --4 = 8 - 4 + 11
- // class c { }
- // }
- var spacesToEmit = currentWriterIndentSpacing - firstCommentLineIndent + calculateIndent(text, pos, nextLineStart);
- if (spacesToEmit > 0) {
- var numberOfSingleSpacesToEmit = spacesToEmit % getIndentSize();
- var indentSizeSpaceString = getIndentString((spacesToEmit - numberOfSingleSpacesToEmit) / getIndentSize());
- // Write indent size string ( in eg 1: = "", 2: "" , 3: string with 8 spaces 4: string with 12 spaces
- writer.rawWrite(indentSizeSpaceString);
- // Emit the single spaces (in eg: 1: 3 spaces, 2: 2 spaces, 3: 1 space, 4: 3 spaces)
- while (numberOfSingleSpacesToEmit) {
- writer.rawWrite(" ");
- numberOfSingleSpacesToEmit--;
- }
- }
- else {
- // No spaces to emit write empty string
- writer.rawWrite("");
- }
- }
- // Write the comment line text
- writeTrimmedCurrentLine(text, commentEnd, writer, newLine, pos, nextLineStart);
- pos = nextLineStart;
- }
- }
- else {
- // Single line comment of style //....
- writer.writeComment(text.substring(commentPos, commentEnd));
- }
- }
- ts.writeCommentRange = writeCommentRange;
- function writeTrimmedCurrentLine(text, commentEnd, writer, newLine, pos, nextLineStart) {
- var end = Math.min(commentEnd, nextLineStart - 1);
- var currentLineText = text.substring(pos, end).replace(/^\s+|\s+$/g, "");
- if (currentLineText) {
- // trimmed forward and ending spaces text
- writer.writeComment(currentLineText);
- if (end !== commentEnd) {
- writer.writeLine();
- }
- }
- else {
- // Empty string - make sure we write empty line
- writer.rawWrite(newLine);
- }
- }
- function calculateIndent(text, pos, end) {
- var currentLineIndent = 0;
- for (; pos < end && ts.isWhiteSpaceSingleLine(text.charCodeAt(pos)); pos++) {
- if (text.charCodeAt(pos) === 9 /* tab */) {
- // Tabs = TabSize = indent size and go to next tabStop
- currentLineIndent += getIndentSize() - (currentLineIndent % getIndentSize());
- }
- else {
- // Single space
- currentLineIndent++;
- }
- }
- return currentLineIndent;
- }
- function hasModifiers(node) {
- return getModifierFlags(node) !== 0 /* None */;
- }
- ts.hasModifiers = hasModifiers;
- function hasModifier(node, flags) {
- return !!getSelectedModifierFlags(node, flags);
- }
- ts.hasModifier = hasModifier;
- function hasStaticModifier(node) {
- return hasModifier(node, 32 /* Static */);
- }
- ts.hasStaticModifier = hasStaticModifier;
- function hasReadonlyModifier(node) {
- return hasModifier(node, 64 /* Readonly */);
- }
- ts.hasReadonlyModifier = hasReadonlyModifier;
- function getSelectedModifierFlags(node, flags) {
- return getModifierFlags(node) & flags;
- }
- ts.getSelectedModifierFlags = getSelectedModifierFlags;
- function getModifierFlags(node) {
- if (node.kind >= 0 /* FirstToken */ && node.kind <= 152 /* LastToken */) {
- return 0 /* None */;
- }
- if (node.modifierFlagsCache & 536870912 /* HasComputedFlags */) {
- return node.modifierFlagsCache & ~536870912 /* HasComputedFlags */;
- }
- var flags = getModifierFlagsNoCache(node);
- node.modifierFlagsCache = flags | 536870912 /* HasComputedFlags */;
- return flags;
- }
- ts.getModifierFlags = getModifierFlags;
- function getModifierFlagsNoCache(node) {
- var flags = 0 /* None */;
- if (node.modifiers) {
- for (var _i = 0, _a = node.modifiers; _i < _a.length; _i++) {
- var modifier = _a[_i];
- flags |= modifierToFlag(modifier.kind);
- }
- }
- if (isInJSFile(node) && !!node.parent) {
- // getModifierFlagsNoCache should only be called when parent pointers are set,
- // or when !(node.flags & NodeFlags.Synthesized) && node.kind !== SyntaxKind.SourceFile)
- var tags = (ts.getJSDocPublicTag(node) ? 4 /* Public */ : 0 /* None */)
- | (ts.getJSDocPrivateTag(node) ? 8 /* Private */ : 0 /* None */)
- | (ts.getJSDocProtectedTag(node) ? 16 /* Protected */ : 0 /* None */)
- | (ts.getJSDocReadonlyTag(node) ? 64 /* Readonly */ : 0 /* None */);
- flags |= tags;
- }
- if (node.flags & 4 /* NestedNamespace */ || (node.kind === 75 /* Identifier */ && node.isInJSDocNamespace)) {
- flags |= 1 /* Export */;
- }
- return flags;
- }
- ts.getModifierFlagsNoCache = getModifierFlagsNoCache;
- function modifierToFlag(token) {
- switch (token) {
- case 120 /* StaticKeyword */: return 32 /* Static */;
- case 119 /* PublicKeyword */: return 4 /* Public */;
- case 118 /* ProtectedKeyword */: return 16 /* Protected */;
- case 117 /* PrivateKeyword */: return 8 /* Private */;
- case 122 /* AbstractKeyword */: return 128 /* Abstract */;
- case 89 /* ExportKeyword */: return 1 /* Export */;
- case 130 /* DeclareKeyword */: return 2 /* Ambient */;
- case 81 /* ConstKeyword */: return 2048 /* Const */;
- case 84 /* DefaultKeyword */: return 512 /* Default */;
- case 126 /* AsyncKeyword */: return 256 /* Async */;
- case 138 /* ReadonlyKeyword */: return 64 /* Readonly */;
- }
- return 0 /* None */;
- }
- ts.modifierToFlag = modifierToFlag;
- function isLogicalOperator(token) {
- return token === 56 /* BarBarToken */
- || token === 55 /* AmpersandAmpersandToken */
- || token === 53 /* ExclamationToken */;
- }
- ts.isLogicalOperator = isLogicalOperator;
- function isAssignmentOperator(token) {
- return token >= 62 /* FirstAssignment */ && token <= 74 /* LastAssignment */;
- }
- ts.isAssignmentOperator = isAssignmentOperator;
- /** Get `C` given `N` if `N` is in the position `class C extends N` where `N` is an ExpressionWithTypeArguments. */
- function tryGetClassExtendingExpressionWithTypeArguments(node) {
- var cls = tryGetClassImplementingOrExtendingExpressionWithTypeArguments(node);
- return cls && !cls.isImplements ? cls.class : undefined;
- }
- ts.tryGetClassExtendingExpressionWithTypeArguments = tryGetClassExtendingExpressionWithTypeArguments;
- function tryGetClassImplementingOrExtendingExpressionWithTypeArguments(node) {
- return ts.isExpressionWithTypeArguments(node)
- && ts.isHeritageClause(node.parent)
- && ts.isClassLike(node.parent.parent)
- ? { class: node.parent.parent, isImplements: node.parent.token === 113 /* ImplementsKeyword */ }
- : undefined;
- }
- ts.tryGetClassImplementingOrExtendingExpressionWithTypeArguments = tryGetClassImplementingOrExtendingExpressionWithTypeArguments;
- function isAssignmentExpression(node, excludeCompoundAssignment) {
- return ts.isBinaryExpression(node)
- && (excludeCompoundAssignment
- ? node.operatorToken.kind === 62 /* EqualsToken */
- : isAssignmentOperator(node.operatorToken.kind))
- && ts.isLeftHandSideExpression(node.left);
- }
- ts.isAssignmentExpression = isAssignmentExpression;
- function isDestructuringAssignment(node) {
- if (isAssignmentExpression(node, /*excludeCompoundAssignment*/ true)) {
- var kind = node.left.kind;
- return kind === 193 /* ObjectLiteralExpression */
- || kind === 192 /* ArrayLiteralExpression */;
- }
- return false;
- }
- ts.isDestructuringAssignment = isDestructuringAssignment;
- function isExpressionWithTypeArgumentsInClassExtendsClause(node) {
- return tryGetClassExtendingExpressionWithTypeArguments(node) !== undefined;
- }
- ts.isExpressionWithTypeArgumentsInClassExtendsClause = isExpressionWithTypeArgumentsInClassExtendsClause;
- function isEntityNameExpression(node) {
- return node.kind === 75 /* Identifier */ || isPropertyAccessEntityNameExpression(node);
- }
- ts.isEntityNameExpression = isEntityNameExpression;
- function getFirstIdentifier(node) {
- switch (node.kind) {
- case 75 /* Identifier */:
- return node;
- case 153 /* QualifiedName */:
- do {
- node = node.left;
- } while (node.kind !== 75 /* Identifier */);
- return node;
- case 194 /* PropertyAccessExpression */:
- do {
- node = node.expression;
- } while (node.kind !== 75 /* Identifier */);
- return node;
- }
- }
- ts.getFirstIdentifier = getFirstIdentifier;
- function isDottedName(node) {
- return node.kind === 75 /* Identifier */ || node.kind === 104 /* ThisKeyword */ || node.kind === 102 /* SuperKeyword */ ||
- node.kind === 194 /* PropertyAccessExpression */ && isDottedName(node.expression) ||
- node.kind === 200 /* ParenthesizedExpression */ && isDottedName(node.expression);
- }
- ts.isDottedName = isDottedName;
- function isPropertyAccessEntityNameExpression(node) {
- return ts.isPropertyAccessExpression(node) && ts.isIdentifier(node.name) && isEntityNameExpression(node.expression);
- }
- ts.isPropertyAccessEntityNameExpression = isPropertyAccessEntityNameExpression;
- function tryGetPropertyAccessOrIdentifierToString(expr) {
- if (ts.isPropertyAccessExpression(expr)) {
- var baseStr = tryGetPropertyAccessOrIdentifierToString(expr.expression);
- if (baseStr !== undefined) {
- return baseStr + "." + expr.name;
- }
- }
- else if (ts.isIdentifier(expr)) {
- return ts.unescapeLeadingUnderscores(expr.escapedText);
- }
- return undefined;
- }
- ts.tryGetPropertyAccessOrIdentifierToString = tryGetPropertyAccessOrIdentifierToString;
- function isPrototypeAccess(node) {
- return isBindableStaticAccessExpression(node) && getElementOrPropertyAccessName(node) === "prototype";
- }
- ts.isPrototypeAccess = isPrototypeAccess;
- function isRightSideOfQualifiedNameOrPropertyAccess(node) {
- return (node.parent.kind === 153 /* QualifiedName */ && node.parent.right === node) ||
- (node.parent.kind === 194 /* PropertyAccessExpression */ && node.parent.name === node);
- }
- ts.isRightSideOfQualifiedNameOrPropertyAccess = isRightSideOfQualifiedNameOrPropertyAccess;
- function isEmptyObjectLiteral(expression) {
- return expression.kind === 193 /* ObjectLiteralExpression */ &&
- expression.properties.length === 0;
- }
- ts.isEmptyObjectLiteral = isEmptyObjectLiteral;
- function isEmptyArrayLiteral(expression) {
- return expression.kind === 192 /* ArrayLiteralExpression */ &&
- expression.elements.length === 0;
- }
- ts.isEmptyArrayLiteral = isEmptyArrayLiteral;
- function getLocalSymbolForExportDefault(symbol) {
- return isExportDefaultSymbol(symbol) ? symbol.declarations[0].localSymbol : undefined;
- }
- ts.getLocalSymbolForExportDefault = getLocalSymbolForExportDefault;
- function isExportDefaultSymbol(symbol) {
- return symbol && ts.length(symbol.declarations) > 0 && hasModifier(symbol.declarations[0], 512 /* Default */);
- }
- /** Return ".ts", ".d.ts", or ".tsx", if that is the extension. */
- function tryExtractTSExtension(fileName) {
- return ts.find(ts.supportedTSExtensionsForExtractExtension, function (extension) { return ts.fileExtensionIs(fileName, extension); });
- }
- ts.tryExtractTSExtension = tryExtractTSExtension;
- /**
- * Replace each instance of non-ascii characters by one, two, three, or four escape sequences
- * representing the UTF-8 encoding of the character, and return the expanded char code list.
- */
- function getExpandedCharCodes(input) {
- var output = [];
- var length = input.length;
- for (var i = 0; i < length; i++) {
- var charCode = input.charCodeAt(i);
- // handle utf8
- if (charCode < 0x80) {
- output.push(charCode);
- }
- else if (charCode < 0x800) {
- output.push((charCode >> 6) | 192);
- output.push((charCode & 63) | 128);
- }
- else if (charCode < 0x10000) {
- output.push((charCode >> 12) | 224);
- output.push(((charCode >> 6) & 63) | 128);
- output.push((charCode & 63) | 128);
- }
- else if (charCode < 0x20000) {
- output.push((charCode >> 18) | 240);
- output.push(((charCode >> 12) & 63) | 128);
- output.push(((charCode >> 6) & 63) | 128);
- output.push((charCode & 63) | 128);
- }
- else {
- ts.Debug.assert(false, "Unexpected code point");
- }
- }
- return output;
- }
- var base64Digits = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=";
- /**
- * Converts a string to a base-64 encoded ASCII string.
- */
- function convertToBase64(input) {
- var result = "";
- var charCodes = getExpandedCharCodes(input);
- var i = 0;
- var length = charCodes.length;
- var byte1, byte2, byte3, byte4;
- while (i < length) {
- // Convert every 6-bits in the input 3 character points
- // into a base64 digit
- byte1 = charCodes[i] >> 2;
- byte2 = (charCodes[i] & 3) << 4 | charCodes[i + 1] >> 4;
- byte3 = (charCodes[i + 1] & 15) << 2 | charCodes[i + 2] >> 6;
- byte4 = charCodes[i + 2] & 63;
- // We are out of characters in the input, set the extra
- // digits to 64 (padding character).
- if (i + 1 >= length) {
- byte3 = byte4 = 64;
- }
- else if (i + 2 >= length) {
- byte4 = 64;
- }
- // Write to the output
- result += base64Digits.charAt(byte1) + base64Digits.charAt(byte2) + base64Digits.charAt(byte3) + base64Digits.charAt(byte4);
- i += 3;
- }
- return result;
- }
- ts.convertToBase64 = convertToBase64;
- function getStringFromExpandedCharCodes(codes) {
- var output = "";
- var i = 0;
- var length = codes.length;
- while (i < length) {
- var charCode = codes[i];
- if (charCode < 0x80) {
- output += String.fromCharCode(charCode);
- i++;
- }
- else if ((charCode & 192) === 192) {
- var value = charCode & 63;
- i++;
- var nextCode = codes[i];
- while ((nextCode & 192) === 128) {
- value = (value << 6) | (nextCode & 63);
- i++;
- nextCode = codes[i];
- }
- // `value` may be greater than 10FFFF (the maximum unicode codepoint) - JS will just make this into an invalid character for us
- output += String.fromCharCode(value);
- }
- else {
- // We don't want to kill the process when decoding fails (due to a following char byte not
- // following a leading char), so we just print the (bad) value
- output += String.fromCharCode(charCode);
- i++;
- }
- }
- return output;
- }
- function base64encode(host, input) {
- if (host && host.base64encode) {
- return host.base64encode(input);
- }
- return convertToBase64(input);
- }
- ts.base64encode = base64encode;
- function base64decode(host, input) {
- if (host && host.base64decode) {
- return host.base64decode(input);
- }
- var length = input.length;
- var expandedCharCodes = [];
- var i = 0;
- while (i < length) {
- // Stop decoding once padding characters are present
- if (input.charCodeAt(i) === base64Digits.charCodeAt(64)) {
- break;
- }
- // convert 4 input digits into three characters, ignoring padding characters at the end
- var ch1 = base64Digits.indexOf(input[i]);
- var ch2 = base64Digits.indexOf(input[i + 1]);
- var ch3 = base64Digits.indexOf(input[i + 2]);
- var ch4 = base64Digits.indexOf(input[i + 3]);
- var code1 = ((ch1 & 63) << 2) | ((ch2 >> 4) & 3);
- var code2 = ((ch2 & 15) << 4) | ((ch3 >> 2) & 15);
- var code3 = ((ch3 & 3) << 6) | (ch4 & 63);
- if (code2 === 0 && ch3 !== 0) { // code2 decoded to zero, but ch3 was padding - elide code2 and code3
- expandedCharCodes.push(code1);
- }
- else if (code3 === 0 && ch4 !== 0) { // code3 decoded to zero, but ch4 was padding, elide code3
- expandedCharCodes.push(code1, code2);
- }
- else {
- expandedCharCodes.push(code1, code2, code3);
- }
- i += 4;
- }
- return getStringFromExpandedCharCodes(expandedCharCodes);
- }
- ts.base64decode = base64decode;
- function readJson(path, host) {
- try {
- var jsonText = host.readFile(path);
- if (!jsonText)
- return {};
- var result = ts.parseConfigFileTextToJson(path, jsonText);
- if (result.error) {
- return {};
- }
- return result.config;
- }
- catch (e) {
- // gracefully handle if readFile fails or returns not JSON
- return {};
- }
- }
- ts.readJson = readJson;
- function directoryProbablyExists(directoryName, host) {
- // if host does not support 'directoryExists' assume that directory will exist
- return !host.directoryExists || host.directoryExists(directoryName);
- }
- ts.directoryProbablyExists = directoryProbablyExists;
- var carriageReturnLineFeed = "\r\n";
- var lineFeed = "\n";
- function getNewLineCharacter(options, getNewLine) {
- switch (options.newLine) {
- case 0 /* CarriageReturnLineFeed */:
- return carriageReturnLineFeed;
- case 1 /* LineFeed */:
- return lineFeed;
- }
- return getNewLine ? getNewLine() : ts.sys ? ts.sys.newLine : carriageReturnLineFeed;
- }
- ts.getNewLineCharacter = getNewLineCharacter;
- /**
- * Creates a new TextRange from the provided pos and end.
- *
- * @param pos The start position.
- * @param end The end position.
- */
- function createRange(pos, end) {
- if (end === void 0) { end = pos; }
- ts.Debug.assert(end >= pos || end === -1);
- return { pos: pos, end: end };
- }
- ts.createRange = createRange;
- /**
- * Creates a new TextRange from a provided range with a new end position.
- *
- * @param range A TextRange.
- * @param end The new end position.
- */
- function moveRangeEnd(range, end) {
- return createRange(range.pos, end);
- }
- ts.moveRangeEnd = moveRangeEnd;
- /**
- * Creates a new TextRange from a provided range with a new start position.
- *
- * @param range A TextRange.
- * @param pos The new Start position.
- */
- function moveRangePos(range, pos) {
- return createRange(pos, range.end);
- }
- ts.moveRangePos = moveRangePos;
- /**
- * Moves the start position of a range past any decorators.
- */
- function moveRangePastDecorators(node) {
- return node.decorators && node.decorators.length > 0
- ? moveRangePos(node, node.decorators.end)
- : node;
- }
- ts.moveRangePastDecorators = moveRangePastDecorators;
- /**
- * Moves the start position of a range past any decorators or modifiers.
- */
- function moveRangePastModifiers(node) {
- return node.modifiers && node.modifiers.length > 0
- ? moveRangePos(node, node.modifiers.end)
- : moveRangePastDecorators(node);
- }
- ts.moveRangePastModifiers = moveRangePastModifiers;
- /**
- * Determines whether a TextRange has the same start and end positions.
- *
- * @param range A TextRange.
- */
- function isCollapsedRange(range) {
- return range.pos === range.end;
- }
- ts.isCollapsedRange = isCollapsedRange;
- /**
- * Creates a new TextRange for a token at the provides start position.
- *
- * @param pos The start position.
- * @param token The token.
- */
- function createTokenRange(pos, token) {
- return createRange(pos, pos + ts.tokenToString(token).length);
- }
- ts.createTokenRange = createTokenRange;
- function rangeIsOnSingleLine(range, sourceFile) {
- return rangeStartIsOnSameLineAsRangeEnd(range, range, sourceFile);
- }
- ts.rangeIsOnSingleLine = rangeIsOnSingleLine;
- function rangeStartPositionsAreOnSameLine(range1, range2, sourceFile) {
- return positionsAreOnSameLine(getStartPositionOfRange(range1, sourceFile, /*includeComments*/ false), getStartPositionOfRange(range2, sourceFile, /*includeComments*/ false), sourceFile);
- }
- ts.rangeStartPositionsAreOnSameLine = rangeStartPositionsAreOnSameLine;
- function rangeEndPositionsAreOnSameLine(range1, range2, sourceFile) {
- return positionsAreOnSameLine(range1.end, range2.end, sourceFile);
- }
- ts.rangeEndPositionsAreOnSameLine = rangeEndPositionsAreOnSameLine;
- function rangeStartIsOnSameLineAsRangeEnd(range1, range2, sourceFile) {
- return positionsAreOnSameLine(getStartPositionOfRange(range1, sourceFile, /*includeComments*/ false), range2.end, sourceFile);
- }
- ts.rangeStartIsOnSameLineAsRangeEnd = rangeStartIsOnSameLineAsRangeEnd;
- function rangeEndIsOnSameLineAsRangeStart(range1, range2, sourceFile) {
- return positionsAreOnSameLine(range1.end, getStartPositionOfRange(range2, sourceFile, /*includeComments*/ false), sourceFile);
- }
- ts.rangeEndIsOnSameLineAsRangeStart = rangeEndIsOnSameLineAsRangeStart;
- function getLinesBetweenRangeEndAndRangeStart(range1, range2, sourceFile, includeSecondRangeComments) {
- var range2Start = getStartPositionOfRange(range2, sourceFile, includeSecondRangeComments);
- return ts.getLinesBetweenPositions(sourceFile, range1.end, range2Start);
- }
- ts.getLinesBetweenRangeEndAndRangeStart = getLinesBetweenRangeEndAndRangeStart;
- function getLinesBetweenRangeEndPositions(range1, range2, sourceFile) {
- return ts.getLinesBetweenPositions(sourceFile, range1.end, range2.end);
- }
- ts.getLinesBetweenRangeEndPositions = getLinesBetweenRangeEndPositions;
- function isNodeArrayMultiLine(list, sourceFile) {
- return !positionsAreOnSameLine(list.pos, list.end, sourceFile);
- }
- ts.isNodeArrayMultiLine = isNodeArrayMultiLine;
- function positionsAreOnSameLine(pos1, pos2, sourceFile) {
- return ts.getLinesBetweenPositions(sourceFile, pos1, pos2) === 0;
- }
- ts.positionsAreOnSameLine = positionsAreOnSameLine;
- function getStartPositionOfRange(range, sourceFile, includeComments) {
- return positionIsSynthesized(range.pos) ? -1 : ts.skipTrivia(sourceFile.text, range.pos, /*stopAfterLineBreak*/ false, includeComments);
- }
- ts.getStartPositionOfRange = getStartPositionOfRange;
- function getLinesBetweenPositionAndPrecedingNonWhitespaceCharacter(pos, stopPos, sourceFile, includeComments) {
- var startPos = ts.skipTrivia(sourceFile.text, pos, /*stopAfterLineBreak*/ false, includeComments);
- var prevPos = getPreviousNonWhitespacePosition(startPos, stopPos, sourceFile);
- return ts.getLinesBetweenPositions(sourceFile, prevPos !== null && prevPos !== void 0 ? prevPos : stopPos, startPos);
- }
- ts.getLinesBetweenPositionAndPrecedingNonWhitespaceCharacter = getLinesBetweenPositionAndPrecedingNonWhitespaceCharacter;
- function getLinesBetweenPositionAndNextNonWhitespaceCharacter(pos, stopPos, sourceFile, includeComments) {
- var nextPos = ts.skipTrivia(sourceFile.text, pos, /*stopAfterLineBreak*/ false, includeComments);
- return ts.getLinesBetweenPositions(sourceFile, pos, Math.min(stopPos, nextPos));
- }
- ts.getLinesBetweenPositionAndNextNonWhitespaceCharacter = getLinesBetweenPositionAndNextNonWhitespaceCharacter;
- function getPreviousNonWhitespacePosition(pos, stopPos, sourceFile) {
- if (stopPos === void 0) { stopPos = 0; }
- while (pos-- > stopPos) {
- if (!ts.isWhiteSpaceLike(sourceFile.text.charCodeAt(pos))) {
- return pos;
- }
- }
- }
- /**
- * Determines whether a name was originally the declaration name of an enum or namespace
- * declaration.
- */
- function isDeclarationNameOfEnumOrNamespace(node) {
- var parseNode = ts.getParseTreeNode(node);
- if (parseNode) {
- switch (parseNode.parent.kind) {
- case 248 /* EnumDeclaration */:
- case 249 /* ModuleDeclaration */:
- return parseNode === parseNode.parent.name;
- }
- }
- return false;
- }
- ts.isDeclarationNameOfEnumOrNamespace = isDeclarationNameOfEnumOrNamespace;
- function getInitializedVariables(node) {
- return ts.filter(node.declarations, isInitializedVariable);
- }
- ts.getInitializedVariables = getInitializedVariables;
- function isInitializedVariable(node) {
- return node.initializer !== undefined;
- }
- function isWatchSet(options) {
- // Firefox has Object.prototype.watch
- return options.watch && options.hasOwnProperty("watch");
- }
- ts.isWatchSet = isWatchSet;
- function closeFileWatcher(watcher) {
- watcher.close();
- }
- ts.closeFileWatcher = closeFileWatcher;
- function getCheckFlags(symbol) {
- return symbol.flags & 33554432 /* Transient */ ? symbol.checkFlags : 0;
- }
- ts.getCheckFlags = getCheckFlags;
- function getDeclarationModifierFlagsFromSymbol(s) {
- if (s.valueDeclaration) {
- var flags = ts.getCombinedModifierFlags(s.valueDeclaration);
- return s.parent && s.parent.flags & 32 /* Class */ ? flags : flags & ~28 /* AccessibilityModifier */;
- }
- if (getCheckFlags(s) & 6 /* Synthetic */) {
- var checkFlags = s.checkFlags;
- var accessModifier = checkFlags & 1024 /* ContainsPrivate */ ? 8 /* Private */ :
- checkFlags & 256 /* ContainsPublic */ ? 4 /* Public */ :
- 16 /* Protected */;
- var staticModifier = checkFlags & 2048 /* ContainsStatic */ ? 32 /* Static */ : 0;
- return accessModifier | staticModifier;
- }
- if (s.flags & 4194304 /* Prototype */) {
- return 4 /* Public */ | 32 /* Static */;
- }
- return 0;
- }
- ts.getDeclarationModifierFlagsFromSymbol = getDeclarationModifierFlagsFromSymbol;
- function skipAlias(symbol, checker) {
- return symbol.flags & 2097152 /* Alias */ ? checker.getAliasedSymbol(symbol) : symbol;
- }
- ts.skipAlias = skipAlias;
- /** See comment on `declareModuleMember` in `binder.ts`. */
- function getCombinedLocalAndExportSymbolFlags(symbol) {
- return symbol.exportSymbol ? symbol.exportSymbol.flags | symbol.flags : symbol.flags;
- }
- ts.getCombinedLocalAndExportSymbolFlags = getCombinedLocalAndExportSymbolFlags;
- function isWriteOnlyAccess(node) {
- return accessKind(node) === 1 /* Write */;
- }
- ts.isWriteOnlyAccess = isWriteOnlyAccess;
- function isWriteAccess(node) {
- return accessKind(node) !== 0 /* Read */;
- }
- ts.isWriteAccess = isWriteAccess;
- var AccessKind;
- (function (AccessKind) {
- /** Only reads from a variable. */
- AccessKind[AccessKind["Read"] = 0] = "Read";
- /** Only writes to a variable without using the result. E.g.: `x++;`. */
- AccessKind[AccessKind["Write"] = 1] = "Write";
- /** Writes to a variable and uses the result as an expression. E.g.: `f(x++);`. */
- AccessKind[AccessKind["ReadWrite"] = 2] = "ReadWrite";
- })(AccessKind || (AccessKind = {}));
- function accessKind(node) {
- var parent = node.parent;
- if (!parent)
- return 0 /* Read */;
- switch (parent.kind) {
- case 200 /* ParenthesizedExpression */:
- return accessKind(parent);
- case 208 /* PostfixUnaryExpression */:
- case 207 /* PrefixUnaryExpression */:
- var operator = parent.operator;
- return operator === 45 /* PlusPlusToken */ || operator === 46 /* MinusMinusToken */ ? writeOrReadWrite() : 0 /* Read */;
- case 209 /* BinaryExpression */:
- var _a = parent, left = _a.left, operatorToken = _a.operatorToken;
- return left === node && isAssignmentOperator(operatorToken.kind) ?
- operatorToken.kind === 62 /* EqualsToken */ ? 1 /* Write */ : writeOrReadWrite()
- : 0 /* Read */;
- case 194 /* PropertyAccessExpression */:
- return parent.name !== node ? 0 /* Read */ : accessKind(parent);
- case 281 /* PropertyAssignment */: {
- var parentAccess = accessKind(parent.parent);
- // In `({ x: varname }) = { x: 1 }`, the left `x` is a read, the right `x` is a write.
- return node === parent.name ? reverseAccessKind(parentAccess) : parentAccess;
- }
- case 282 /* ShorthandPropertyAssignment */:
- // Assume it's the local variable being accessed, since we don't check public properties for --noUnusedLocals.
- return node === parent.objectAssignmentInitializer ? 0 /* Read */ : accessKind(parent.parent);
- case 192 /* ArrayLiteralExpression */:
- return accessKind(parent);
- default:
- return 0 /* Read */;
- }
- function writeOrReadWrite() {
- // If grandparent is not an ExpressionStatement, this is used as an expression in addition to having a side effect.
- return parent.parent && skipParenthesesUp(parent.parent).kind === 226 /* ExpressionStatement */ ? 1 /* Write */ : 2 /* ReadWrite */;
- }
- }
- function reverseAccessKind(a) {
- switch (a) {
- case 0 /* Read */:
- return 1 /* Write */;
- case 1 /* Write */:
- return 0 /* Read */;
- case 2 /* ReadWrite */:
- return 2 /* ReadWrite */;
- default:
- return ts.Debug.assertNever(a);
- }
- }
- function compareDataObjects(dst, src) {
- if (!dst || !src || Object.keys(dst).length !== Object.keys(src).length) {
- return false;
- }
- for (var e in dst) {
- if (typeof dst[e] === "object") {
- if (!compareDataObjects(dst[e], src[e])) {
- return false;
- }
- }
- else if (typeof dst[e] !== "function") {
- if (dst[e] !== src[e]) {
- return false;
- }
- }
- }
- return true;
- }
- ts.compareDataObjects = compareDataObjects;
- /**
- * clears already present map by calling onDeleteExistingValue callback before deleting that key/value
- */
- function clearMap(map, onDeleteValue) {
- // Remove all
- map.forEach(onDeleteValue);
- map.clear();
- }
- ts.clearMap = clearMap;
- /**
- * Mutates the map with newMap such that keys in map will be same as newMap.
- */
- function mutateMapSkippingNewValues(map, newMap, options) {
- var onDeleteValue = options.onDeleteValue, onExistingValue = options.onExistingValue;
- // Needs update
- map.forEach(function (existingValue, key) {
- var valueInNewMap = newMap.get(key);
- // Not present any more in new map, remove it
- if (valueInNewMap === undefined) {
- map.delete(key);
- onDeleteValue(existingValue, key);
- }
- // If present notify about existing values
- else if (onExistingValue) {
- onExistingValue(existingValue, valueInNewMap, key);
- }
- });
- }
- ts.mutateMapSkippingNewValues = mutateMapSkippingNewValues;
- /**
- * Mutates the map with newMap such that keys in map will be same as newMap.
- */
- function mutateMap(map, newMap, options) {
- // Needs update
- mutateMapSkippingNewValues(map, newMap, options);
- var createNewValue = options.createNewValue;
- // Add new values that are not already present
- newMap.forEach(function (valueInNewMap, key) {
- if (!map.has(key)) {
- // New values
- map.set(key, createNewValue(key, valueInNewMap));
- }
- });
- }
- ts.mutateMap = mutateMap;
- // Return true if the given type is the constructor type for an abstract class
- function isAbstractConstructorType(type) {
- return !!(getObjectFlags(type) & 16 /* Anonymous */) && !!type.symbol && isAbstractConstructorSymbol(type.symbol);
- }
- ts.isAbstractConstructorType = isAbstractConstructorType;
- function isAbstractConstructorSymbol(symbol) {
- if (symbol.flags & 32 /* Class */) {
- var declaration = getClassLikeDeclarationOfSymbol(symbol);
- return !!declaration && hasModifier(declaration, 128 /* Abstract */);
- }
- return false;
- }
- ts.isAbstractConstructorSymbol = isAbstractConstructorSymbol;
- function getClassLikeDeclarationOfSymbol(symbol) {
- return ts.find(symbol.declarations, ts.isClassLike);
- }
- ts.getClassLikeDeclarationOfSymbol = getClassLikeDeclarationOfSymbol;
- function getObjectFlags(type) {
- return type.flags & 3899393 /* ObjectFlagsType */ ? type.objectFlags : 0;
- }
- ts.getObjectFlags = getObjectFlags;
- function typeHasCallOrConstructSignatures(type, checker) {
- return checker.getSignaturesOfType(type, 0 /* Call */).length !== 0 || checker.getSignaturesOfType(type, 1 /* Construct */).length !== 0;
- }
- ts.typeHasCallOrConstructSignatures = typeHasCallOrConstructSignatures;
- function forSomeAncestorDirectory(directory, callback) {
- return !!ts.forEachAncestorDirectory(directory, function (d) { return callback(d) ? true : undefined; });
- }
- ts.forSomeAncestorDirectory = forSomeAncestorDirectory;
- function isUMDExportSymbol(symbol) {
- return !!symbol && !!symbol.declarations && !!symbol.declarations[0] && ts.isNamespaceExportDeclaration(symbol.declarations[0]);
- }
- ts.isUMDExportSymbol = isUMDExportSymbol;
- function showModuleSpecifier(_a) {
- var moduleSpecifier = _a.moduleSpecifier;
- return ts.isStringLiteral(moduleSpecifier) ? moduleSpecifier.text : getTextOfNode(moduleSpecifier);
- }
- ts.showModuleSpecifier = showModuleSpecifier;
- function getLastChild(node) {
- var lastChild;
- ts.forEachChild(node, function (child) {
- if (nodeIsPresent(child))
- lastChild = child;
- }, function (children) {
- // As an optimization, jump straight to the end of the list.
- for (var i = children.length - 1; i >= 0; i--) {
- if (nodeIsPresent(children[i])) {
- lastChild = children[i];
- break;
- }
- }
- });
- return lastChild;
- }
- ts.getLastChild = getLastChild;
- function addToSeen(seen, key, value) {
- if (value === void 0) { value = true; }
- key = String(key);
- if (seen.has(key)) {
- return false;
- }
- seen.set(key, value);
- return true;
- }
- ts.addToSeen = addToSeen;
- function isObjectTypeDeclaration(node) {
- return ts.isClassLike(node) || ts.isInterfaceDeclaration(node) || ts.isTypeLiteralNode(node);
- }
- ts.isObjectTypeDeclaration = isObjectTypeDeclaration;
- function isTypeNodeKind(kind) {
- return (kind >= 168 /* FirstTypeNode */ && kind <= 188 /* LastTypeNode */)
- || kind === 125 /* AnyKeyword */
- || kind === 148 /* UnknownKeyword */
- || kind === 140 /* NumberKeyword */
- || kind === 151 /* BigIntKeyword */
- || kind === 141 /* ObjectKeyword */
- || kind === 128 /* BooleanKeyword */
- || kind === 143 /* StringKeyword */
- || kind === 144 /* SymbolKeyword */
- || kind === 104 /* ThisKeyword */
- || kind === 110 /* VoidKeyword */
- || kind === 146 /* UndefinedKeyword */
- || kind === 100 /* NullKeyword */
- || kind === 137 /* NeverKeyword */
- || kind === 216 /* ExpressionWithTypeArguments */
- || kind === 295 /* JSDocAllType */
- || kind === 296 /* JSDocUnknownType */
- || kind === 297 /* JSDocNullableType */
- || kind === 298 /* JSDocNonNullableType */
- || kind === 299 /* JSDocOptionalType */
- || kind === 300 /* JSDocFunctionType */
- || kind === 301 /* JSDocVariadicType */;
- }
- ts.isTypeNodeKind = isTypeNodeKind;
- function isAccessExpression(node) {
- return node.kind === 194 /* PropertyAccessExpression */ || node.kind === 195 /* ElementAccessExpression */;
- }
- ts.isAccessExpression = isAccessExpression;
- function getNameOfAccessExpression(node) {
- if (node.kind === 194 /* PropertyAccessExpression */) {
- return node.name;
- }
- ts.Debug.assert(node.kind === 195 /* ElementAccessExpression */);
- return node.argumentExpression;
- }
- ts.getNameOfAccessExpression = getNameOfAccessExpression;
- function isBundleFileTextLike(section) {
- switch (section.kind) {
- case "text" /* Text */:
- case "internal" /* Internal */:
- return true;
- default:
- return false;
- }
- }
- ts.isBundleFileTextLike = isBundleFileTextLike;
- function isNamedImportsOrExports(node) {
- return node.kind === 257 /* NamedImports */ || node.kind === 261 /* NamedExports */;
- }
- ts.isNamedImportsOrExports = isNamedImportsOrExports;
- function Symbol(flags, name) {
- this.flags = flags;
- this.escapedName = name;
- this.declarations = undefined;
- this.valueDeclaration = undefined;
- this.id = undefined;
- this.mergeId = undefined;
- this.parent = undefined;
- }
- function Type(checker, flags) {
- this.flags = flags;
- if (ts.Debug.isDebugging) {
- this.checker = checker;
- }
- }
- function Signature(checker, flags) {
- this.flags = flags;
- if (ts.Debug.isDebugging) {
- this.checker = checker;
- }
- }
- function Node(kind, pos, end) {
- this.pos = pos;
- this.end = end;
- this.kind = kind;
- this.id = 0;
- this.flags = 0 /* None */;
- this.modifierFlagsCache = 0 /* None */;
- this.transformFlags = 0 /* None */;
- this.parent = undefined;
- this.original = undefined;
- }
- function Token(kind, pos, end) {
- this.pos = pos;
- this.end = end;
- this.kind = kind;
- this.id = 0;
- this.flags = 0 /* None */;
- this.transformFlags = 0 /* None */;
- this.parent = undefined;
- }
- function Identifier(kind, pos, end) {
- this.pos = pos;
- this.end = end;
- this.kind = kind;
- this.id = 0;
- this.flags = 0 /* None */;
- this.transformFlags = 0 /* None */;
- this.parent = undefined;
- this.original = undefined;
- this.flowNode = undefined;
- }
- function SourceMapSource(fileName, text, skipTrivia) {
- this.fileName = fileName;
- this.text = text;
- this.skipTrivia = skipTrivia || (function (pos) { return pos; });
- }
- // eslint-disable-next-line prefer-const
- ts.objectAllocator = {
- getNodeConstructor: function () { return Node; },
- getTokenConstructor: function () { return Token; },
- getIdentifierConstructor: function () { return Identifier; },
- getPrivateIdentifierConstructor: function () { return Node; },
- getSourceFileConstructor: function () { return Node; },
- getSymbolConstructor: function () { return Symbol; },
- getTypeConstructor: function () { return Type; },
- getSignatureConstructor: function () { return Signature; },
- getSourceMapSourceConstructor: function () { return SourceMapSource; },
- };
- function setObjectAllocator(alloc) {
- ts.objectAllocator = alloc;
- }
- ts.setObjectAllocator = setObjectAllocator;
- function formatStringFromArgs(text, args, baseIndex) {
- if (baseIndex === void 0) { baseIndex = 0; }
- return text.replace(/{(\d+)}/g, function (_match, index) { return "" + ts.Debug.checkDefined(args[+index + baseIndex]); });
- }
- ts.formatStringFromArgs = formatStringFromArgs;
- /* @internal */
- function setLocalizedDiagnosticMessages(messages) {
- ts.localizedDiagnosticMessages = messages;
- }
- ts.setLocalizedDiagnosticMessages = setLocalizedDiagnosticMessages;
- function getLocaleSpecificMessage(message) {
- return ts.localizedDiagnosticMessages && ts.localizedDiagnosticMessages[message.key] || message.message;
- }
- ts.getLocaleSpecificMessage = getLocaleSpecificMessage;
- function createFileDiagnostic(file, start, length, message) {
- ts.Debug.assertGreaterThanOrEqual(start, 0);
- ts.Debug.assertGreaterThanOrEqual(length, 0);
- if (file) {
- ts.Debug.assertLessThanOrEqual(start, file.text.length);
- ts.Debug.assertLessThanOrEqual(start + length, file.text.length);
- }
- var text = getLocaleSpecificMessage(message);
- if (arguments.length > 4) {
- text = formatStringFromArgs(text, arguments, 4);
- }
- return {
- file: file,
- start: start,
- length: length,
- messageText: text,
- category: message.category,
- code: message.code,
- reportsUnnecessary: message.reportsUnnecessary,
- };
- }
- ts.createFileDiagnostic = createFileDiagnostic;
- function formatMessage(_dummy, message) {
- var text = getLocaleSpecificMessage(message);
- if (arguments.length > 2) {
- text = formatStringFromArgs(text, arguments, 2);
- }
- return text;
- }
- ts.formatMessage = formatMessage;
- function createCompilerDiagnostic(message) {
- var text = getLocaleSpecificMessage(message);
- if (arguments.length > 1) {
- text = formatStringFromArgs(text, arguments, 1);
- }
- return {
- file: undefined,
- start: undefined,
- length: undefined,
- messageText: text,
- category: message.category,
- code: message.code,
- reportsUnnecessary: message.reportsUnnecessary,
- };
- }
- ts.createCompilerDiagnostic = createCompilerDiagnostic;
- function createCompilerDiagnosticFromMessageChain(chain) {
- return {
- file: undefined,
- start: undefined,
- length: undefined,
- code: chain.code,
- category: chain.category,
- messageText: chain.next ? chain : chain.messageText,
- };
- }
- ts.createCompilerDiagnosticFromMessageChain = createCompilerDiagnosticFromMessageChain;
- function chainDiagnosticMessages(details, message) {
- var text = getLocaleSpecificMessage(message);
- if (arguments.length > 2) {
- text = formatStringFromArgs(text, arguments, 2);
- }
- return {
- messageText: text,
- category: message.category,
- code: message.code,
- next: details === undefined || Array.isArray(details) ? details : [details]
- };
- }
- ts.chainDiagnosticMessages = chainDiagnosticMessages;
- function concatenateDiagnosticMessageChains(headChain, tailChain) {
- var lastChain = headChain;
- while (lastChain.next) {
- lastChain = lastChain.next[0];
- }
- lastChain.next = [tailChain];
- }
- ts.concatenateDiagnosticMessageChains = concatenateDiagnosticMessageChains;
- function getDiagnosticFilePath(diagnostic) {
- return diagnostic.file ? diagnostic.file.path : undefined;
- }
- function compareDiagnostics(d1, d2) {
- return compareDiagnosticsSkipRelatedInformation(d1, d2) ||
- compareRelatedInformation(d1, d2) ||
- 0 /* EqualTo */;
- }
- ts.compareDiagnostics = compareDiagnostics;
- function compareDiagnosticsSkipRelatedInformation(d1, d2) {
- return ts.compareStringsCaseSensitive(getDiagnosticFilePath(d1), getDiagnosticFilePath(d2)) ||
- ts.compareValues(d1.start, d2.start) ||
- ts.compareValues(d1.length, d2.length) ||
- ts.compareValues(d1.code, d2.code) ||
- compareMessageText(d1.messageText, d2.messageText) ||
- 0 /* EqualTo */;
- }
- ts.compareDiagnosticsSkipRelatedInformation = compareDiagnosticsSkipRelatedInformation;
- function compareRelatedInformation(d1, d2) {
- if (!d1.relatedInformation && !d2.relatedInformation) {
- return 0 /* EqualTo */;
- }
- if (d1.relatedInformation && d2.relatedInformation) {
- return ts.compareValues(d1.relatedInformation.length, d2.relatedInformation.length) || ts.forEach(d1.relatedInformation, function (d1i, index) {
- var d2i = d2.relatedInformation[index];
- return compareDiagnostics(d1i, d2i); // EqualTo is 0, so falsy, and will cause the next item to be compared
- }) || 0 /* EqualTo */;
- }
- return d1.relatedInformation ? -1 /* LessThan */ : 1 /* GreaterThan */;
- }
- function compareMessageText(t1, t2) {
- if (typeof t1 === "string" && typeof t2 === "string") {
- return ts.compareStringsCaseSensitive(t1, t2);
- }
- else if (typeof t1 === "string") {
- return -1 /* LessThan */;
- }
- else if (typeof t2 === "string") {
- return 1 /* GreaterThan */;
- }
- var res = ts.compareStringsCaseSensitive(t1.messageText, t2.messageText);
- if (res) {
- return res;
- }
- if (!t1.next && !t2.next) {
- return 0 /* EqualTo */;
- }
- if (!t1.next) {
- return -1 /* LessThan */;
- }
- if (!t2.next) {
- return 1 /* GreaterThan */;
- }
- var len = Math.min(t1.next.length, t2.next.length);
- for (var i = 0; i < len; i++) {
- res = compareMessageText(t1.next[i], t2.next[i]);
- if (res) {
- return res;
- }
- }
- if (t1.next.length < t2.next.length) {
- return -1 /* LessThan */;
- }
- else if (t1.next.length > t2.next.length) {
- return 1 /* GreaterThan */;
- }
- return 0 /* EqualTo */;
- }
- function getEmitScriptTarget(compilerOptions) {
- return compilerOptions.target || 0 /* ES3 */;
- }
- ts.getEmitScriptTarget = getEmitScriptTarget;
- function getEmitModuleKind(compilerOptions) {
- return typeof compilerOptions.module === "number" ?
- compilerOptions.module :
- getEmitScriptTarget(compilerOptions) >= 2 /* ES2015 */ ? ts.ModuleKind.ES2015 : ts.ModuleKind.CommonJS;
- }
- ts.getEmitModuleKind = getEmitModuleKind;
- function getEmitModuleResolutionKind(compilerOptions) {
- var moduleResolution = compilerOptions.moduleResolution;
- if (moduleResolution === undefined) {
- moduleResolution = getEmitModuleKind(compilerOptions) === ts.ModuleKind.CommonJS ? ts.ModuleResolutionKind.NodeJs : ts.ModuleResolutionKind.Classic;
- }
- return moduleResolution;
- }
- ts.getEmitModuleResolutionKind = getEmitModuleResolutionKind;
- function hasJsonModuleEmitEnabled(options) {
- switch (getEmitModuleKind(options)) {
- case ts.ModuleKind.CommonJS:
- case ts.ModuleKind.AMD:
- case ts.ModuleKind.ES2015:
- case ts.ModuleKind.ES2020:
- case ts.ModuleKind.ESNext:
- return true;
- default:
- return false;
- }
- }
- ts.hasJsonModuleEmitEnabled = hasJsonModuleEmitEnabled;
- function unreachableCodeIsError(options) {
- return options.allowUnreachableCode === false;
- }
- ts.unreachableCodeIsError = unreachableCodeIsError;
- function unusedLabelIsError(options) {
- return options.allowUnusedLabels === false;
- }
- ts.unusedLabelIsError = unusedLabelIsError;
- function getAreDeclarationMapsEnabled(options) {
- return !!(getEmitDeclarations(options) && options.declarationMap);
- }
- ts.getAreDeclarationMapsEnabled = getAreDeclarationMapsEnabled;
- function getAllowSyntheticDefaultImports(compilerOptions) {
- var moduleKind = getEmitModuleKind(compilerOptions);
- return compilerOptions.allowSyntheticDefaultImports !== undefined
- ? compilerOptions.allowSyntheticDefaultImports
- : compilerOptions.esModuleInterop ||
- moduleKind === ts.ModuleKind.System;
- }
- ts.getAllowSyntheticDefaultImports = getAllowSyntheticDefaultImports;
- function getEmitDeclarations(compilerOptions) {
- return !!(compilerOptions.declaration || compilerOptions.composite);
- }
- ts.getEmitDeclarations = getEmitDeclarations;
- function isIncrementalCompilation(options) {
- return !!(options.incremental || options.composite);
- }
- ts.isIncrementalCompilation = isIncrementalCompilation;
- function getStrictOptionValue(compilerOptions, flag) {
- return compilerOptions[flag] === undefined ? !!compilerOptions.strict : !!compilerOptions[flag];
- }
- ts.getStrictOptionValue = getStrictOptionValue;
- function compilerOptionsAffectSemanticDiagnostics(newOptions, oldOptions) {
- return oldOptions !== newOptions &&
- ts.semanticDiagnosticsOptionDeclarations.some(function (option) { return !isJsonEqual(getCompilerOptionValue(oldOptions, option), getCompilerOptionValue(newOptions, option)); });
- }
- ts.compilerOptionsAffectSemanticDiagnostics = compilerOptionsAffectSemanticDiagnostics;
- function compilerOptionsAffectEmit(newOptions, oldOptions) {
- return oldOptions !== newOptions &&
- ts.affectsEmitOptionDeclarations.some(function (option) { return !isJsonEqual(getCompilerOptionValue(oldOptions, option), getCompilerOptionValue(newOptions, option)); });
- }
- ts.compilerOptionsAffectEmit = compilerOptionsAffectEmit;
- function getCompilerOptionValue(options, option) {
- return option.strictFlag ? getStrictOptionValue(options, option.name) : options[option.name];
- }
- ts.getCompilerOptionValue = getCompilerOptionValue;
- function hasZeroOrOneAsteriskCharacter(str) {
- var seenAsterisk = false;
- for (var i = 0; i < str.length; i++) {
- if (str.charCodeAt(i) === 42 /* asterisk */) {
- if (!seenAsterisk) {
- seenAsterisk = true;
- }
- else {
- // have already seen asterisk
- return false;
- }
- }
- }
- return true;
- }
- ts.hasZeroOrOneAsteriskCharacter = hasZeroOrOneAsteriskCharacter;
- function discoverProbableSymlinks(files, getCanonicalFileName, cwd) {
- var result = ts.createMap();
- var symlinks = ts.flatten(ts.mapDefined(files, function (sf) {
- return sf.resolvedModules && ts.compact(ts.arrayFrom(ts.mapIterator(sf.resolvedModules.values(), function (res) {
- return res && res.originalPath && res.resolvedFileName !== res.originalPath ? [res.resolvedFileName, res.originalPath] : undefined;
- })));
- }));
- for (var _i = 0, symlinks_1 = symlinks; _i < symlinks_1.length; _i++) {
- var _a = symlinks_1[_i], resolvedPath = _a[0], originalPath = _a[1];
- var _b = guessDirectorySymlink(resolvedPath, originalPath, cwd, getCanonicalFileName), commonResolved = _b[0], commonOriginal = _b[1];
- result.set(commonOriginal, commonResolved);
- }
- return result;
- }
- ts.discoverProbableSymlinks = discoverProbableSymlinks;
- function guessDirectorySymlink(a, b, cwd, getCanonicalFileName) {
- var aParts = ts.getPathComponents(ts.toPath(a, cwd, getCanonicalFileName));
- var bParts = ts.getPathComponents(ts.toPath(b, cwd, getCanonicalFileName));
- while (!isNodeModulesOrScopedPackageDirectory(aParts[aParts.length - 2], getCanonicalFileName) &&
- !isNodeModulesOrScopedPackageDirectory(bParts[bParts.length - 2], getCanonicalFileName) &&
- getCanonicalFileName(aParts[aParts.length - 1]) === getCanonicalFileName(bParts[bParts.length - 1])) {
- aParts.pop();
- bParts.pop();
- }
- return [ts.getPathFromPathComponents(aParts), ts.getPathFromPathComponents(bParts)];
- }
- // KLUDGE: Don't assume one 'node_modules' links to another. More likely a single directory inside the node_modules is the symlink.
- // ALso, don't assume that an `@foo` directory is linked. More likely the contents of that are linked.
- function isNodeModulesOrScopedPackageDirectory(s, getCanonicalFileName) {
- return getCanonicalFileName(s) === "node_modules" || ts.startsWith(s, "@");
- }
- function stripLeadingDirectorySeparator(s) {
- return ts.isAnyDirectorySeparator(s.charCodeAt(0)) ? s.slice(1) : undefined;
- }
- function tryRemoveDirectoryPrefix(path, dirPath, getCanonicalFileName) {
- var withoutPrefix = ts.tryRemovePrefix(path, dirPath, getCanonicalFileName);
- return withoutPrefix === undefined ? undefined : stripLeadingDirectorySeparator(withoutPrefix);
- }
- ts.tryRemoveDirectoryPrefix = tryRemoveDirectoryPrefix;
- // Reserved characters, forces escaping of any non-word (or digit), non-whitespace character.
- // It may be inefficient (we could just match (/[-[\]{}()*+?.,\\^$|#\s]/g), but this is future
- // proof.
- var reservedCharacterPattern = /[^\w\s\/]/g;
- function regExpEscape(text) {
- return text.replace(reservedCharacterPattern, escapeRegExpCharacter);
- }
- ts.regExpEscape = regExpEscape;
- function escapeRegExpCharacter(match) {
- return "\\" + match;
- }
- var wildcardCharCodes = [42 /* asterisk */, 63 /* question */];
- ts.commonPackageFolders = ["node_modules", "bower_components", "jspm_packages"];
- var implicitExcludePathRegexPattern = "(?!(" + ts.commonPackageFolders.join("|") + ")(/|$))";
- var filesMatcher = {
- /**
- * Matches any single directory segment unless it is the last segment and a .min.js file
- * Breakdown:
- * [^./] # matches everything up to the first . character (excluding directory separators)
- * (\\.(?!min\\.js$))? # matches . characters but not if they are part of the .min.js file extension
- */
- singleAsteriskRegexFragment: "([^./]|(\\.(?!min\\.js$))?)*",
- /**
- * Regex for the ** wildcard. Matches any number of subdirectories. When used for including
- * files or directories, does not match subdirectories that start with a . character
- */
- doubleAsteriskRegexFragment: "(/" + implicitExcludePathRegexPattern + "[^/.][^/]*)*?",
- replaceWildcardCharacter: function (match) { return replaceWildcardCharacter(match, filesMatcher.singleAsteriskRegexFragment); }
- };
- var directoriesMatcher = {
- singleAsteriskRegexFragment: "[^/]*",
- /**
- * Regex for the ** wildcard. Matches any number of subdirectories. When used for including
- * files or directories, does not match subdirectories that start with a . character
- */
- doubleAsteriskRegexFragment: "(/" + implicitExcludePathRegexPattern + "[^/.][^/]*)*?",
- replaceWildcardCharacter: function (match) { return replaceWildcardCharacter(match, directoriesMatcher.singleAsteriskRegexFragment); }
- };
- var excludeMatcher = {
- singleAsteriskRegexFragment: "[^/]*",
- doubleAsteriskRegexFragment: "(/.+?)?",
- replaceWildcardCharacter: function (match) { return replaceWildcardCharacter(match, excludeMatcher.singleAsteriskRegexFragment); }
- };
- var wildcardMatchers = {
- files: filesMatcher,
- directories: directoriesMatcher,
- exclude: excludeMatcher
- };
- function getRegularExpressionForWildcard(specs, basePath, usage) {
- var patterns = getRegularExpressionsForWildcards(specs, basePath, usage);
- if (!patterns || !patterns.length) {
- return undefined;
- }
- var pattern = patterns.map(function (pattern) { return "(" + pattern + ")"; }).join("|");
- // If excluding, match "foo/bar/baz...", but if including, only allow "foo".
- var terminator = usage === "exclude" ? "($|/)" : "$";
- return "^(" + pattern + ")" + terminator;
- }
- ts.getRegularExpressionForWildcard = getRegularExpressionForWildcard;
- function getRegularExpressionsForWildcards(specs, basePath, usage) {
- if (specs === undefined || specs.length === 0) {
- return undefined;
- }
- return ts.flatMap(specs, function (spec) {
- return spec && getSubPatternFromSpec(spec, basePath, usage, wildcardMatchers[usage]);
- });
- }
- ts.getRegularExpressionsForWildcards = getRegularExpressionsForWildcards;
- /**
- * An "includes" path "foo" is implicitly a glob "foo/** /*" (without the space) if its last component has no extension,
- * and does not contain any glob characters itself.
- */
- function isImplicitGlob(lastPathComponent) {
- return !/[.*?]/.test(lastPathComponent);
- }
- ts.isImplicitGlob = isImplicitGlob;
- function getSubPatternFromSpec(spec, basePath, usage, _a) {
- var singleAsteriskRegexFragment = _a.singleAsteriskRegexFragment, doubleAsteriskRegexFragment = _a.doubleAsteriskRegexFragment, replaceWildcardCharacter = _a.replaceWildcardCharacter;
- var subpattern = "";
- var hasWrittenComponent = false;
- var components = ts.getNormalizedPathComponents(spec, basePath);
- var lastComponent = ts.last(components);
- if (usage !== "exclude" && lastComponent === "**") {
- return undefined;
- }
- // getNormalizedPathComponents includes the separator for the root component.
- // We need to remove to create our regex correctly.
- components[0] = ts.removeTrailingDirectorySeparator(components[0]);
- if (isImplicitGlob(lastComponent)) {
- components.push("**", "*");
- }
- var optionalCount = 0;
- for (var _i = 0, components_1 = components; _i < components_1.length; _i++) {
- var component = components_1[_i];
- if (component === "**") {
- subpattern += doubleAsteriskRegexFragment;
- }
- else {
- if (usage === "directories") {
- subpattern += "(";
- optionalCount++;
- }
- if (hasWrittenComponent) {
- subpattern += ts.directorySeparator;
- }
- if (usage !== "exclude") {
- var componentPattern = "";
- // The * and ? wildcards should not match directories or files that start with . if they
- // appear first in a component. Dotted directories and files can be included explicitly
- // like so: **/.*/.*
- if (component.charCodeAt(0) === 42 /* asterisk */) {
- componentPattern += "([^./]" + singleAsteriskRegexFragment + ")?";
- component = component.substr(1);
- }
- else if (component.charCodeAt(0) === 63 /* question */) {
- componentPattern += "[^./]";
- component = component.substr(1);
- }
- componentPattern += component.replace(reservedCharacterPattern, replaceWildcardCharacter);
- // Patterns should not include subfolders like node_modules unless they are
- // explicitly included as part of the path.
- //
- // As an optimization, if the component pattern is the same as the component,
- // then there definitely were no wildcard characters and we do not need to
- // add the exclusion pattern.
- if (componentPattern !== component) {
- subpattern += implicitExcludePathRegexPattern;
- }
- subpattern += componentPattern;
- }
- else {
- subpattern += component.replace(reservedCharacterPattern, replaceWildcardCharacter);
- }
- }
- hasWrittenComponent = true;
- }
- while (optionalCount > 0) {
- subpattern += ")?";
- optionalCount--;
- }
- return subpattern;
- }
- function replaceWildcardCharacter(match, singleAsteriskRegexFragment) {
- return match === "*" ? singleAsteriskRegexFragment : match === "?" ? "[^/]" : "\\" + match;
- }
- /** @param path directory of the tsconfig.json */
- function getFileMatcherPatterns(path, excludes, includes, useCaseSensitiveFileNames, currentDirectory) {
- path = ts.normalizePath(path);
- currentDirectory = ts.normalizePath(currentDirectory);
- var absolutePath = ts.combinePaths(currentDirectory, path);
- return {
- includeFilePatterns: ts.map(getRegularExpressionsForWildcards(includes, absolutePath, "files"), function (pattern) { return "^" + pattern + "$"; }),
- includeFilePattern: getRegularExpressionForWildcard(includes, absolutePath, "files"),
- includeDirectoryPattern: getRegularExpressionForWildcard(includes, absolutePath, "directories"),
- excludePattern: getRegularExpressionForWildcard(excludes, absolutePath, "exclude"),
- basePaths: getBasePaths(path, includes, useCaseSensitiveFileNames)
- };
- }
- ts.getFileMatcherPatterns = getFileMatcherPatterns;
- function getRegexFromPattern(pattern, useCaseSensitiveFileNames) {
- return new RegExp(pattern, useCaseSensitiveFileNames ? "" : "i");
- }
- ts.getRegexFromPattern = getRegexFromPattern;
- /** @param path directory of the tsconfig.json */
- function matchFiles(path, extensions, excludes, includes, useCaseSensitiveFileNames, currentDirectory, depth, getFileSystemEntries, realpath) {
- path = ts.normalizePath(path);
- currentDirectory = ts.normalizePath(currentDirectory);
- var patterns = getFileMatcherPatterns(path, excludes, includes, useCaseSensitiveFileNames, currentDirectory);
- var includeFileRegexes = patterns.includeFilePatterns && patterns.includeFilePatterns.map(function (pattern) { return getRegexFromPattern(pattern, useCaseSensitiveFileNames); });
- var includeDirectoryRegex = patterns.includeDirectoryPattern && getRegexFromPattern(patterns.includeDirectoryPattern, useCaseSensitiveFileNames);
- var excludeRegex = patterns.excludePattern && getRegexFromPattern(patterns.excludePattern, useCaseSensitiveFileNames);
- // Associate an array of results with each include regex. This keeps results in order of the "include" order.
- // If there are no "includes", then just put everything in results[0].
- var results = includeFileRegexes ? includeFileRegexes.map(function () { return []; }) : [[]];
- var visited = ts.createMap();
- var toCanonical = ts.createGetCanonicalFileName(useCaseSensitiveFileNames);
- for (var _i = 0, _a = patterns.basePaths; _i < _a.length; _i++) {
- var basePath = _a[_i];
- visitDirectory(basePath, ts.combinePaths(currentDirectory, basePath), depth);
- }
- return ts.flatten(results);
- function visitDirectory(path, absolutePath, depth) {
- var canonicalPath = toCanonical(realpath(absolutePath));
- if (visited.has(canonicalPath))
- return;
- visited.set(canonicalPath, true);
- var _a = getFileSystemEntries(path), files = _a.files, directories = _a.directories;
- var _loop_1 = function (current) {
- var name = ts.combinePaths(path, current);
- var absoluteName = ts.combinePaths(absolutePath, current);
- if (extensions && !ts.fileExtensionIsOneOf(name, extensions))
- return "continue";
- if (excludeRegex && excludeRegex.test(absoluteName))
- return "continue";
- if (!includeFileRegexes) {
- results[0].push(name);
- }
- else {
- var includeIndex = ts.findIndex(includeFileRegexes, function (re) { return re.test(absoluteName); });
- if (includeIndex !== -1) {
- results[includeIndex].push(name);
- }
- }
- };
- for (var _i = 0, _b = ts.sort(files, ts.compareStringsCaseSensitive); _i < _b.length; _i++) {
- var current = _b[_i];
- _loop_1(current);
- }
- if (depth !== undefined) {
- depth--;
- if (depth === 0) {
- return;
- }
- }
- for (var _c = 0, _d = ts.sort(directories, ts.compareStringsCaseSensitive); _c < _d.length; _c++) {
- var current = _d[_c];
- var name = ts.combinePaths(path, current);
- var absoluteName = ts.combinePaths(absolutePath, current);
- if ((!includeDirectoryRegex || includeDirectoryRegex.test(absoluteName)) &&
- (!excludeRegex || !excludeRegex.test(absoluteName))) {
- visitDirectory(name, absoluteName, depth);
- }
- }
- }
- }
- ts.matchFiles = matchFiles;
- /**
- * Computes the unique non-wildcard base paths amongst the provided include patterns.
- */
- function getBasePaths(path, includes, useCaseSensitiveFileNames) {
- // Storage for our results in the form of literal paths (e.g. the paths as written by the user).
- var basePaths = [path];
- if (includes) {
- // Storage for literal base paths amongst the include patterns.
- var includeBasePaths = [];
- for (var _i = 0, includes_1 = includes; _i < includes_1.length; _i++) {
- var include = includes_1[_i];
- // We also need to check the relative paths by converting them to absolute and normalizing
- // in case they escape the base path (e.g "..\somedirectory")
- var absolute = ts.isRootedDiskPath(include) ? include : ts.normalizePath(ts.combinePaths(path, include));
- // Append the literal and canonical candidate base paths.
- includeBasePaths.push(getIncludeBasePath(absolute));
- }
- // Sort the offsets array using either the literal or canonical path representations.
- includeBasePaths.sort(ts.getStringComparer(!useCaseSensitiveFileNames));
- var _loop_2 = function (includeBasePath) {
- if (ts.every(basePaths, function (basePath) { return !ts.containsPath(basePath, includeBasePath, path, !useCaseSensitiveFileNames); })) {
- basePaths.push(includeBasePath);
- }
- };
- // Iterate over each include base path and include unique base paths that are not a
- // subpath of an existing base path
- for (var _a = 0, includeBasePaths_1 = includeBasePaths; _a < includeBasePaths_1.length; _a++) {
- var includeBasePath = includeBasePaths_1[_a];
- _loop_2(includeBasePath);
- }
- }
- return basePaths;
- }
- function getIncludeBasePath(absolute) {
- var wildcardOffset = ts.indexOfAnyCharCode(absolute, wildcardCharCodes);
- if (wildcardOffset < 0) {
- // No "*" or "?" in the path
- return !ts.hasExtension(absolute)
- ? absolute
- : ts.removeTrailingDirectorySeparator(ts.getDirectoryPath(absolute));
- }
- return absolute.substring(0, absolute.lastIndexOf(ts.directorySeparator, wildcardOffset));
- }
- function ensureScriptKind(fileName, scriptKind) {
- // Using scriptKind as a condition handles both:
- // - 'scriptKind' is unspecified and thus it is `undefined`
- // - 'scriptKind' is set and it is `Unknown` (0)
- // If the 'scriptKind' is 'undefined' or 'Unknown' then we attempt
- // to get the ScriptKind from the file name. If it cannot be resolved
- // from the file name then the default 'TS' script kind is returned.
- return scriptKind || getScriptKindFromFileName(fileName) || 3 /* TS */;
- }
- ts.ensureScriptKind = ensureScriptKind;
- function getScriptKindFromFileName(fileName) {
- var ext = fileName.substr(fileName.lastIndexOf("."));
- switch (ext.toLowerCase()) {
- case ".js" /* Js */:
- return 1 /* JS */;
- case ".jsx" /* Jsx */:
- return 2 /* JSX */;
- case ".ts" /* Ts */:
- return 3 /* TS */;
- case ".tsx" /* Tsx */:
- return 4 /* TSX */;
- case ".json" /* Json */:
- return 6 /* JSON */;
- default:
- return 0 /* Unknown */;
- }
- }
- ts.getScriptKindFromFileName = getScriptKindFromFileName;
- /**
- * List of supported extensions in order of file resolution precedence.
- */
- ts.supportedTSExtensions = [".ts" /* Ts */, ".tsx" /* Tsx */, ".d.ts" /* Dts */];
- ts.supportedTSExtensionsWithJson = [".ts" /* Ts */, ".tsx" /* Tsx */, ".d.ts" /* Dts */, ".json" /* Json */];
- /** Must have ".d.ts" first because if ".ts" goes first, that will be detected as the extension instead of ".d.ts". */
- ts.supportedTSExtensionsForExtractExtension = [".d.ts" /* Dts */, ".ts" /* Ts */, ".tsx" /* Tsx */];
- ts.supportedJSExtensions = [".js" /* Js */, ".jsx" /* Jsx */];
- ts.supportedJSAndJsonExtensions = [".js" /* Js */, ".jsx" /* Jsx */, ".json" /* Json */];
- var allSupportedExtensions = __spreadArrays(ts.supportedTSExtensions, ts.supportedJSExtensions);
- var allSupportedExtensionsWithJson = __spreadArrays(ts.supportedTSExtensions, ts.supportedJSExtensions, [".json" /* Json */]);
- function getSupportedExtensions(options, extraFileExtensions) {
- var needJsExtensions = options && options.allowJs;
- if (!extraFileExtensions || extraFileExtensions.length === 0) {
- return needJsExtensions ? allSupportedExtensions : ts.supportedTSExtensions;
- }
- var extensions = __spreadArrays(needJsExtensions ? allSupportedExtensions : ts.supportedTSExtensions, ts.mapDefined(extraFileExtensions, function (x) { return x.scriptKind === 7 /* Deferred */ || needJsExtensions && isJSLike(x.scriptKind) ? x.extension : undefined; }));
- return ts.deduplicate(extensions, ts.equateStringsCaseSensitive, ts.compareStringsCaseSensitive);
- }
- ts.getSupportedExtensions = getSupportedExtensions;
- function getSuppoertedExtensionsWithJsonIfResolveJsonModule(options, supportedExtensions) {
- if (!options || !options.resolveJsonModule) {
- return supportedExtensions;
- }
- if (supportedExtensions === allSupportedExtensions) {
- return allSupportedExtensionsWithJson;
- }
- if (supportedExtensions === ts.supportedTSExtensions) {
- return ts.supportedTSExtensionsWithJson;
- }
- return __spreadArrays(supportedExtensions, [".json" /* Json */]);
- }
- ts.getSuppoertedExtensionsWithJsonIfResolveJsonModule = getSuppoertedExtensionsWithJsonIfResolveJsonModule;
- function isJSLike(scriptKind) {
- return scriptKind === 1 /* JS */ || scriptKind === 2 /* JSX */;
- }
- function hasJSFileExtension(fileName) {
- return ts.some(ts.supportedJSExtensions, function (extension) { return ts.fileExtensionIs(fileName, extension); });
- }
- ts.hasJSFileExtension = hasJSFileExtension;
- function hasTSFileExtension(fileName) {
- return ts.some(ts.supportedTSExtensions, function (extension) { return ts.fileExtensionIs(fileName, extension); });
- }
- ts.hasTSFileExtension = hasTSFileExtension;
- function isSupportedSourceFileName(fileName, compilerOptions, extraFileExtensions) {
- if (!fileName) {
- return false;
- }
- var supportedExtensions = getSupportedExtensions(compilerOptions, extraFileExtensions);
- for (var _i = 0, _a = getSuppoertedExtensionsWithJsonIfResolveJsonModule(compilerOptions, supportedExtensions); _i < _a.length; _i++) {
- var extension = _a[_i];
- if (ts.fileExtensionIs(fileName, extension)) {
- return true;
- }
- }
- return false;
- }
- ts.isSupportedSourceFileName = isSupportedSourceFileName;
- /**
- * Extension boundaries by priority. Lower numbers indicate higher priorities, and are
- * aligned to the offset of the highest priority extension in the
- * allSupportedExtensions array.
- */
- var ExtensionPriority;
- (function (ExtensionPriority) {
- ExtensionPriority[ExtensionPriority["TypeScriptFiles"] = 0] = "TypeScriptFiles";
- ExtensionPriority[ExtensionPriority["DeclarationAndJavaScriptFiles"] = 2] = "DeclarationAndJavaScriptFiles";
- ExtensionPriority[ExtensionPriority["Highest"] = 0] = "Highest";
- ExtensionPriority[ExtensionPriority["Lowest"] = 2] = "Lowest";
- })(ExtensionPriority = ts.ExtensionPriority || (ts.ExtensionPriority = {}));
- function getExtensionPriority(path, supportedExtensions) {
- for (var i = supportedExtensions.length - 1; i >= 0; i--) {
- if (ts.fileExtensionIs(path, supportedExtensions[i])) {
- return adjustExtensionPriority(i, supportedExtensions);
- }
- }
- // If its not in the list of supported extensions, this is likely a
- // TypeScript file with a non-ts extension
- return 0 /* Highest */;
- }
- ts.getExtensionPriority = getExtensionPriority;
- /**
- * Adjusts an extension priority to be the highest priority within the same range.
- */
- function adjustExtensionPriority(extensionPriority, supportedExtensions) {
- if (extensionPriority < 2 /* DeclarationAndJavaScriptFiles */) {
- return 0 /* TypeScriptFiles */;
- }
- else if (extensionPriority < supportedExtensions.length) {
- return 2 /* DeclarationAndJavaScriptFiles */;
- }
- else {
- return supportedExtensions.length;
- }
- }
- ts.adjustExtensionPriority = adjustExtensionPriority;
- /**
- * Gets the next lowest extension priority for a given priority.
- */
- function getNextLowestExtensionPriority(extensionPriority, supportedExtensions) {
- if (extensionPriority < 2 /* DeclarationAndJavaScriptFiles */) {
- return 2 /* DeclarationAndJavaScriptFiles */;
- }
- else {
- return supportedExtensions.length;
- }
- }
- ts.getNextLowestExtensionPriority = getNextLowestExtensionPriority;
- var extensionsToRemove = [".d.ts" /* Dts */, ".ts" /* Ts */, ".js" /* Js */, ".tsx" /* Tsx */, ".jsx" /* Jsx */, ".json" /* Json */];
- function removeFileExtension(path) {
- for (var _i = 0, extensionsToRemove_1 = extensionsToRemove; _i < extensionsToRemove_1.length; _i++) {
- var ext = extensionsToRemove_1[_i];
- var extensionless = tryRemoveExtension(path, ext);
- if (extensionless !== undefined) {
- return extensionless;
- }
- }
- return path;
- }
- ts.removeFileExtension = removeFileExtension;
- function tryRemoveExtension(path, extension) {
- return ts.fileExtensionIs(path, extension) ? removeExtension(path, extension) : undefined;
- }
- ts.tryRemoveExtension = tryRemoveExtension;
- function removeExtension(path, extension) {
- return path.substring(0, path.length - extension.length);
- }
- ts.removeExtension = removeExtension;
- function changeExtension(path, newExtension) {
- return ts.changeAnyExtension(path, newExtension, extensionsToRemove, /*ignoreCase*/ false);
- }
- ts.changeExtension = changeExtension;
- function tryParsePattern(pattern) {
- // This should be verified outside of here and a proper error thrown.
- ts.Debug.assert(hasZeroOrOneAsteriskCharacter(pattern));
- var indexOfStar = pattern.indexOf("*");
- return indexOfStar === -1 ? undefined : {
- prefix: pattern.substr(0, indexOfStar),
- suffix: pattern.substr(indexOfStar + 1)
- };
- }
- ts.tryParsePattern = tryParsePattern;
- function positionIsSynthesized(pos) {
- // This is a fast way of testing the following conditions:
- // pos === undefined || pos === null || isNaN(pos) || pos < 0;
- return !(pos >= 0);
- }
- ts.positionIsSynthesized = positionIsSynthesized;
- /** True if an extension is one of the supported TypeScript extensions. */
- function extensionIsTS(ext) {
- return ext === ".ts" /* Ts */ || ext === ".tsx" /* Tsx */ || ext === ".d.ts" /* Dts */;
- }
- ts.extensionIsTS = extensionIsTS;
- function resolutionExtensionIsTSOrJson(ext) {
- return extensionIsTS(ext) || ext === ".json" /* Json */;
- }
- ts.resolutionExtensionIsTSOrJson = resolutionExtensionIsTSOrJson;
- /**
- * Gets the extension from a path.
- * Path must have a valid extension.
- */
- function extensionFromPath(path) {
- var ext = tryGetExtensionFromPath(path);
- return ext !== undefined ? ext : ts.Debug.fail("File " + path + " has unknown extension.");
- }
- ts.extensionFromPath = extensionFromPath;
- function isAnySupportedFileExtension(path) {
- return tryGetExtensionFromPath(path) !== undefined;
- }
- ts.isAnySupportedFileExtension = isAnySupportedFileExtension;
- function tryGetExtensionFromPath(path) {
- return ts.find(extensionsToRemove, function (e) { return ts.fileExtensionIs(path, e); });
- }
- ts.tryGetExtensionFromPath = tryGetExtensionFromPath;
- function isCheckJsEnabledForFile(sourceFile, compilerOptions) {
- return sourceFile.checkJsDirective ? sourceFile.checkJsDirective.enabled : compilerOptions.checkJs;
- }
- ts.isCheckJsEnabledForFile = isCheckJsEnabledForFile;
- ts.emptyFileSystemEntries = {
- files: ts.emptyArray,
- directories: ts.emptyArray
- };
- /**
- * patternStrings contains both pattern strings (containing "*") and regular strings.
- * Return an exact match if possible, or a pattern match, or undefined.
- * (These are verified by verifyCompilerOptions to have 0 or 1 "*" characters.)
- */
- function matchPatternOrExact(patternStrings, candidate) {
- var patterns = [];
- for (var _i = 0, patternStrings_1 = patternStrings; _i < patternStrings_1.length; _i++) {
- var patternString = patternStrings_1[_i];
- if (!hasZeroOrOneAsteriskCharacter(patternString))
- continue;
- var pattern = tryParsePattern(patternString);
- if (pattern) {
- patterns.push(pattern);
- }
- else if (patternString === candidate) {
- // pattern was matched as is - no need to search further
- return patternString;
- }
- }
- return ts.findBestPatternMatch(patterns, function (_) { return _; }, candidate);
- }
- ts.matchPatternOrExact = matchPatternOrExact;
- function sliceAfter(arr, value) {
- var index = arr.indexOf(value);
- ts.Debug.assert(index !== -1);
- return arr.slice(index);
- }
- ts.sliceAfter = sliceAfter;
- function addRelatedInfo(diagnostic) {
- var _a;
- var relatedInformation = [];
- for (var _i = 1; _i < arguments.length; _i++) {
- relatedInformation[_i - 1] = arguments[_i];
- }
- if (!relatedInformation.length) {
- return diagnostic;
- }
- if (!diagnostic.relatedInformation) {
- diagnostic.relatedInformation = [];
- }
- (_a = diagnostic.relatedInformation).push.apply(_a, relatedInformation);
- return diagnostic;
- }
- ts.addRelatedInfo = addRelatedInfo;
- function minAndMax(arr, getValue) {
- ts.Debug.assert(arr.length !== 0);
- var min = getValue(arr[0]);
- var max = min;
- for (var i = 1; i < arr.length; i++) {
- var value = getValue(arr[i]);
- if (value < min) {
- min = value;
- }
- else if (value > max) {
- max = value;
- }
- }
- return { min: min, max: max };
- }
- ts.minAndMax = minAndMax;
- var NodeSet = /** @class */ (function () {
- function NodeSet() {
- this.map = ts.createMap();
- }
- NodeSet.prototype.add = function (node) {
- this.map.set(String(ts.getNodeId(node)), node);
- };
- NodeSet.prototype.tryAdd = function (node) {
- if (this.has(node))
- return false;
- this.add(node);
- return true;
- };
- NodeSet.prototype.has = function (node) {
- return this.map.has(String(ts.getNodeId(node)));
- };
- NodeSet.prototype.forEach = function (cb) {
- this.map.forEach(cb);
- };
- NodeSet.prototype.some = function (pred) {
- return forEachEntry(this.map, pred) || false;
- };
- return NodeSet;
- }());
- ts.NodeSet = NodeSet;
- var NodeMap = /** @class */ (function () {
- function NodeMap() {
- this.map = ts.createMap();
- }
- NodeMap.prototype.get = function (node) {
- var res = this.map.get(String(ts.getNodeId(node)));
- return res && res.value;
- };
- NodeMap.prototype.getOrUpdate = function (node, setValue) {
- var res = this.get(node);
- if (res)
- return res;
- var value = setValue();
- this.set(node, value);
- return value;
- };
- NodeMap.prototype.set = function (node, value) {
- this.map.set(String(ts.getNodeId(node)), { node: node, value: value });
- };
- NodeMap.prototype.has = function (node) {
- return this.map.has(String(ts.getNodeId(node)));
- };
- NodeMap.prototype.forEach = function (cb) {
- this.map.forEach(function (_a) {
- var node = _a.node, value = _a.value;
- return cb(value, node);
- });
- };
- return NodeMap;
- }());
- ts.NodeMap = NodeMap;
- function rangeOfNode(node) {
- return { pos: getTokenPosOfNode(node), end: node.end };
- }
- ts.rangeOfNode = rangeOfNode;
- function rangeOfTypeParameters(typeParameters) {
- // Include the `<>`
- return { pos: typeParameters.pos - 1, end: typeParameters.end + 1 };
- }
- ts.rangeOfTypeParameters = rangeOfTypeParameters;
- function skipTypeChecking(sourceFile, options, host) {
- // If skipLibCheck is enabled, skip reporting errors if file is a declaration file.
- // If skipDefaultLibCheck is enabled, skip reporting errors if file contains a
- // '/// <reference no-default-lib="true"/>' directive.
- return (options.skipLibCheck && sourceFile.isDeclarationFile ||
- options.skipDefaultLibCheck && sourceFile.hasNoDefaultLib) ||
- host.isSourceOfProjectReferenceRedirect(sourceFile.fileName);
- }
- ts.skipTypeChecking = skipTypeChecking;
- function isJsonEqual(a, b) {
- // eslint-disable-next-line no-null/no-null
- return a === b || typeof a === "object" && a !== null && typeof b === "object" && b !== null && ts.equalOwnProperties(a, b, isJsonEqual);
- }
- ts.isJsonEqual = isJsonEqual;
- function getOrUpdate(map, key, getDefault) {
- var got = map.get(key);
- if (got === undefined) {
- var value = getDefault();
- map.set(key, value);
- return value;
- }
- else {
- return got;
- }
- }
- ts.getOrUpdate = getOrUpdate;
- /**
- * Converts a bigint literal string, e.g. `0x1234n`,
- * to its decimal string representation, e.g. `4660`.
- */
- function parsePseudoBigInt(stringValue) {
- var log2Base;
- switch (stringValue.charCodeAt(1)) { // "x" in "0x123"
- case 98 /* b */:
- case 66 /* B */: // 0b or 0B
- log2Base = 1;
- break;
- case 111 /* o */:
- case 79 /* O */: // 0o or 0O
- log2Base = 3;
- break;
- case 120 /* x */:
- case 88 /* X */: // 0x or 0X
- log2Base = 4;
- break;
- default: // already in decimal; omit trailing "n"
- var nIndex = stringValue.length - 1;
- // Skip leading 0s
- var nonZeroStart = 0;
- while (stringValue.charCodeAt(nonZeroStart) === 48 /* _0 */) {
- nonZeroStart++;
- }
- return stringValue.slice(nonZeroStart, nIndex) || "0";
- }
- // Omit leading "0b", "0o", or "0x", and trailing "n"
- var startIndex = 2, endIndex = stringValue.length - 1;
- var bitsNeeded = (endIndex - startIndex) * log2Base;
- // Stores the value specified by the string as a LE array of 16-bit integers
- // using Uint16 instead of Uint32 so combining steps can use bitwise operators
- var segments = new Uint16Array((bitsNeeded >>> 4) + (bitsNeeded & 15 ? 1 : 0));
- // Add the digits, one at a time
- for (var i = endIndex - 1, bitOffset = 0; i >= startIndex; i--, bitOffset += log2Base) {
- var segment = bitOffset >>> 4;
- var digitChar = stringValue.charCodeAt(i);
- // Find character range: 0-9 < A-F < a-f
- var digit = digitChar <= 57 /* _9 */
- ? digitChar - 48 /* _0 */
- : 10 + digitChar -
- (digitChar <= 70 /* F */ ? 65 /* A */ : 97 /* a */);
- var shiftedDigit = digit << (bitOffset & 15);
- segments[segment] |= shiftedDigit;
- var residual = shiftedDigit >>> 16;
- if (residual)
- segments[segment + 1] |= residual; // overflows segment
- }
- // Repeatedly divide segments by 10 and add remainder to base10Value
- var base10Value = "";
- var firstNonzeroSegment = segments.length - 1;
- var segmentsRemaining = true;
- while (segmentsRemaining) {
- var mod10 = 0;
- segmentsRemaining = false;
- for (var segment = firstNonzeroSegment; segment >= 0; segment--) {
- var newSegment = mod10 << 16 | segments[segment];
- var segmentValue = (newSegment / 10) | 0;
- segments[segment] = segmentValue;
- mod10 = newSegment - segmentValue * 10;
- if (segmentValue && !segmentsRemaining) {
- firstNonzeroSegment = segment;
- segmentsRemaining = true;
- }
- }
- base10Value = mod10 + base10Value;
- }
- return base10Value;
- }
- ts.parsePseudoBigInt = parsePseudoBigInt;
- function pseudoBigIntToString(_a) {
- var negative = _a.negative, base10Value = _a.base10Value;
- return (negative && base10Value !== "0" ? "-" : "") + base10Value;
- }
- ts.pseudoBigIntToString = pseudoBigIntToString;
- function isValidTypeOnlyAliasUseSite(useSite) {
- return !!(useSite.flags & 8388608 /* Ambient */)
- || isPartOfTypeQuery(useSite)
- || isIdentifierInNonEmittingHeritageClause(useSite)
- || isPartOfPossiblyValidTypeOrAbstractComputedPropertyName(useSite)
- || !isExpressionNode(useSite);
- }
- ts.isValidTypeOnlyAliasUseSite = isValidTypeOnlyAliasUseSite;
- function typeOnlyDeclarationIsExport(typeOnlyDeclaration) {
- return typeOnlyDeclaration.kind === 263 /* ExportSpecifier */;
- }
- ts.typeOnlyDeclarationIsExport = typeOnlyDeclarationIsExport;
- function isPartOfPossiblyValidTypeOrAbstractComputedPropertyName(node) {
- while (node.kind === 75 /* Identifier */ || node.kind === 194 /* PropertyAccessExpression */) {
- node = node.parent;
- }
- if (node.kind !== 154 /* ComputedPropertyName */) {
- return false;
- }
- if (hasModifier(node.parent, 128 /* Abstract */)) {
- return true;
- }
- var containerKind = node.parent.parent.kind;
- return containerKind === 246 /* InterfaceDeclaration */ || containerKind === 173 /* TypeLiteral */;
- }
- /** Returns true for an identifier in 1) an `implements` clause, and 2) an `extends` clause of an interface. */
- function isIdentifierInNonEmittingHeritageClause(node) {
- if (node.kind !== 75 /* Identifier */)
- return false;
- var heritageClause = findAncestor(node.parent, function (parent) {
- switch (parent.kind) {
- case 279 /* HeritageClause */:
- return true;
- case 194 /* PropertyAccessExpression */:
- case 216 /* ExpressionWithTypeArguments */:
- return false;
- default:
- return "quit";
- }
- });
- return (heritageClause === null || heritageClause === void 0 ? void 0 : heritageClause.token) === 113 /* ImplementsKeyword */ || (heritageClause === null || heritageClause === void 0 ? void 0 : heritageClause.parent.kind) === 246 /* InterfaceDeclaration */;
- }
- function isIdentifierTypeReference(node) {
- return ts.isTypeReferenceNode(node) && ts.isIdentifier(node.typeName);
- }
- ts.isIdentifierTypeReference = isIdentifierTypeReference;
- function arrayIsHomogeneous(array, comparer) {
- if (comparer === void 0) { comparer = ts.equateValues; }
- if (array.length < 2)
- return true;
- var first = array[0];
- for (var i = 1, length_1 = array.length; i < length_1; i++) {
- var target = array[i];
- if (!comparer(first, target))
- return false;
- }
- return true;
- }
- ts.arrayIsHomogeneous = arrayIsHomogeneous;
-})(ts || (ts = {}));
-var ts;
-(function (ts) {
- var SignatureFlags;
- (function (SignatureFlags) {
- SignatureFlags[SignatureFlags["None"] = 0] = "None";
- SignatureFlags[SignatureFlags["Yield"] = 1] = "Yield";
- SignatureFlags[SignatureFlags["Await"] = 2] = "Await";
- SignatureFlags[SignatureFlags["Type"] = 4] = "Type";
- SignatureFlags[SignatureFlags["IgnoreMissingOpenBrace"] = 16] = "IgnoreMissingOpenBrace";
- SignatureFlags[SignatureFlags["JSDoc"] = 32] = "JSDoc";
- })(SignatureFlags || (SignatureFlags = {}));
- var NodeConstructor;
- var TokenConstructor;
- var IdentifierConstructor;
- var PrivateIdentifierConstructor;
- var SourceFileConstructor;
- function createNode(kind, pos, end) {
- if (kind === 290 /* SourceFile */) {
- return new (SourceFileConstructor || (SourceFileConstructor = ts.objectAllocator.getSourceFileConstructor()))(kind, pos, end);
- }
- else if (kind === 75 /* Identifier */) {
- return new (IdentifierConstructor || (IdentifierConstructor = ts.objectAllocator.getIdentifierConstructor()))(kind, pos, end);
- }
- else if (kind === 76 /* PrivateIdentifier */) {
- return new (PrivateIdentifierConstructor || (PrivateIdentifierConstructor = ts.objectAllocator.getPrivateIdentifierConstructor()))(kind, pos, end);
- }
- else if (!ts.isNodeKind(kind)) {
- return new (TokenConstructor || (TokenConstructor = ts.objectAllocator.getTokenConstructor()))(kind, pos, end);
- }
- else {
- return new (NodeConstructor || (NodeConstructor = ts.objectAllocator.getNodeConstructor()))(kind, pos, end);
- }
- }
- ts.createNode = createNode;
- function visitNode(cbNode, node) {
- return node && cbNode(node);
- }
- function visitNodes(cbNode, cbNodes, nodes) {
- if (nodes) {
- if (cbNodes) {
- return cbNodes(nodes);
- }
- for (var _i = 0, nodes_1 = nodes; _i < nodes_1.length; _i++) {
- var node = nodes_1[_i];
- var result = cbNode(node);
- if (result) {
- return result;
- }
- }
- }
- }
- /*@internal*/
- function isJSDocLikeText(text, start) {
- return text.charCodeAt(start + 1) === 42 /* asterisk */ &&
- text.charCodeAt(start + 2) === 42 /* asterisk */ &&
- text.charCodeAt(start + 3) !== 47 /* slash */;
- }
- ts.isJSDocLikeText = isJSDocLikeText;
- /**
- * Invokes a callback for each child of the given node. The 'cbNode' callback is invoked for all child nodes
- * stored in properties. If a 'cbNodes' callback is specified, it is invoked for embedded arrays; otherwise,
- * embedded arrays are flattened and the 'cbNode' callback is invoked for each element. If a callback returns
- * a truthy value, iteration stops and that value is returned. Otherwise, undefined is returned.
- *
- * @param node a given node to visit its children
- * @param cbNode a callback to be invoked for all child nodes
- * @param cbNodes a callback to be invoked for embedded array
- *
- * @remarks `forEachChild` must visit the children of a node in the order
- * that they appear in the source code. The language service depends on this property to locate nodes by position.
- */
- function forEachChild(node, cbNode, cbNodes) {
- if (!node || node.kind <= 152 /* LastToken */) {
- return;
- }
- switch (node.kind) {
- case 153 /* QualifiedName */:
- return visitNode(cbNode, node.left) ||
- visitNode(cbNode, node.right);
- case 155 /* TypeParameter */:
- return visitNode(cbNode, node.name) ||
- visitNode(cbNode, node.constraint) ||
- visitNode(cbNode, node.default) ||
- visitNode(cbNode, node.expression);
- case 282 /* ShorthandPropertyAssignment */:
- return visitNodes(cbNode, cbNodes, node.decorators) ||
- visitNodes(cbNode, cbNodes, node.modifiers) ||
- visitNode(cbNode, node.name) ||
- visitNode(cbNode, node.questionToken) ||
- visitNode(cbNode, node.exclamationToken) ||
- visitNode(cbNode, node.equalsToken) ||
- visitNode(cbNode, node.objectAssignmentInitializer);
- case 283 /* SpreadAssignment */:
- return visitNode(cbNode, node.expression);
- case 156 /* Parameter */:
- return visitNodes(cbNode, cbNodes, node.decorators) ||
- visitNodes(cbNode, cbNodes, node.modifiers) ||
- visitNode(cbNode, node.dotDotDotToken) ||
- visitNode(cbNode, node.name) ||
- visitNode(cbNode, node.questionToken) ||
- visitNode(cbNode, node.type) ||
- visitNode(cbNode, node.initializer);
- case 159 /* PropertyDeclaration */:
- return visitNodes(cbNode, cbNodes, node.decorators) ||
- visitNodes(cbNode, cbNodes, node.modifiers) ||
- visitNode(cbNode, node.name) ||
- visitNode(cbNode, node.questionToken) ||
- visitNode(cbNode, node.exclamationToken) ||
- visitNode(cbNode, node.type) ||
- visitNode(cbNode, node.initializer);
- case 158 /* PropertySignature */:
- return visitNodes(cbNode, cbNodes, node.decorators) ||
- visitNodes(cbNode, cbNodes, node.modifiers) ||
- visitNode(cbNode, node.name) ||
- visitNode(cbNode, node.questionToken) ||
- visitNode(cbNode, node.type) ||
- visitNode(cbNode, node.initializer);
- case 281 /* PropertyAssignment */:
- return visitNodes(cbNode, cbNodes, node.decorators) ||
- visitNodes(cbNode, cbNodes, node.modifiers) ||
- visitNode(cbNode, node.name) ||
- visitNode(cbNode, node.questionToken) ||
- visitNode(cbNode, node.initializer);
- case 242 /* VariableDeclaration */:
- return visitNodes(cbNode, cbNodes, node.decorators) ||
- visitNodes(cbNode, cbNodes, node.modifiers) ||
- visitNode(cbNode, node.name) ||
- visitNode(cbNode, node.exclamationToken) ||
- visitNode(cbNode, node.type) ||
- visitNode(cbNode, node.initializer);
- case 191 /* BindingElement */:
- return visitNodes(cbNode, cbNodes, node.decorators) ||
- visitNodes(cbNode, cbNodes, node.modifiers) ||
- visitNode(cbNode, node.dotDotDotToken) ||
- visitNode(cbNode, node.propertyName) ||
- visitNode(cbNode, node.name) ||
- visitNode(cbNode, node.initializer);
- case 170 /* FunctionType */:
- case 171 /* ConstructorType */:
- case 165 /* CallSignature */:
- case 166 /* ConstructSignature */:
- case 167 /* IndexSignature */:
- return visitNodes(cbNode, cbNodes, node.decorators) ||
- visitNodes(cbNode, cbNodes, node.modifiers) ||
- visitNodes(cbNode, cbNodes, node.typeParameters) ||
- visitNodes(cbNode, cbNodes, node.parameters) ||
- visitNode(cbNode, node.type);
- case 161 /* MethodDeclaration */:
- case 160 /* MethodSignature */:
- case 162 /* Constructor */:
- case 163 /* GetAccessor */:
- case 164 /* SetAccessor */:
- case 201 /* FunctionExpression */:
- case 244 /* FunctionDeclaration */:
- case 202 /* ArrowFunction */:
- return visitNodes(cbNode, cbNodes, node.decorators) ||
- visitNodes(cbNode, cbNodes, node.modifiers) ||
- visitNode(cbNode, node.asteriskToken) ||
- visitNode(cbNode, node.name) ||
- visitNode(cbNode, node.questionToken) ||
- visitNode(cbNode, node.exclamationToken) ||
- visitNodes(cbNode, cbNodes, node.typeParameters) ||
- visitNodes(cbNode, cbNodes, node.parameters) ||
- visitNode(cbNode, node.type) ||
- visitNode(cbNode, node.equalsGreaterThanToken) ||
- visitNode(cbNode, node.body);
- case 169 /* TypeReference */:
- return visitNode(cbNode, node.typeName) ||
- visitNodes(cbNode, cbNodes, node.typeArguments);
- case 168 /* TypePredicate */:
- return visitNode(cbNode, node.assertsModifier) ||
- visitNode(cbNode, node.parameterName) ||
- visitNode(cbNode, node.type);
- case 172 /* TypeQuery */:
- return visitNode(cbNode, node.exprName);
- case 173 /* TypeLiteral */:
- return visitNodes(cbNode, cbNodes, node.members);
- case 174 /* ArrayType */:
- return visitNode(cbNode, node.elementType);
- case 175 /* TupleType */:
- return visitNodes(cbNode, cbNodes, node.elementTypes);
- case 178 /* UnionType */:
- case 179 /* IntersectionType */:
- return visitNodes(cbNode, cbNodes, node.types);
- case 180 /* ConditionalType */:
- return visitNode(cbNode, node.checkType) ||
- visitNode(cbNode, node.extendsType) ||
- visitNode(cbNode, node.trueType) ||
- visitNode(cbNode, node.falseType);
- case 181 /* InferType */:
- return visitNode(cbNode, node.typeParameter);
- case 188 /* ImportType */:
- return visitNode(cbNode, node.argument) ||
- visitNode(cbNode, node.qualifier) ||
- visitNodes(cbNode, cbNodes, node.typeArguments);
- case 182 /* ParenthesizedType */:
- case 184 /* TypeOperator */:
- return visitNode(cbNode, node.type);
- case 185 /* IndexedAccessType */:
- return visitNode(cbNode, node.objectType) ||
- visitNode(cbNode, node.indexType);
- case 186 /* MappedType */:
- return visitNode(cbNode, node.readonlyToken) ||
- visitNode(cbNode, node.typeParameter) ||
- visitNode(cbNode, node.questionToken) ||
- visitNode(cbNode, node.type);
- case 187 /* LiteralType */:
- return visitNode(cbNode, node.literal);
- case 189 /* ObjectBindingPattern */:
- case 190 /* ArrayBindingPattern */:
- return visitNodes(cbNode, cbNodes, node.elements);
- case 192 /* ArrayLiteralExpression */:
- return visitNodes(cbNode, cbNodes, node.elements);
- case 193 /* ObjectLiteralExpression */:
- return visitNodes(cbNode, cbNodes, node.properties);
- case 194 /* PropertyAccessExpression */:
- return visitNode(cbNode, node.expression) ||
- visitNode(cbNode, node.questionDotToken) ||
- visitNode(cbNode, node.name);
- case 195 /* ElementAccessExpression */:
- return visitNode(cbNode, node.expression) ||
- visitNode(cbNode, node.questionDotToken) ||
- visitNode(cbNode, node.argumentExpression);
- case 196 /* CallExpression */:
- case 197 /* NewExpression */:
- return visitNode(cbNode, node.expression) ||
- visitNode(cbNode, node.questionDotToken) ||
- visitNodes(cbNode, cbNodes, node.typeArguments) ||
- visitNodes(cbNode, cbNodes, node.arguments);
- case 198 /* TaggedTemplateExpression */:
- return visitNode(cbNode, node.tag) ||
- visitNode(cbNode, node.questionDotToken) ||
- visitNodes(cbNode, cbNodes, node.typeArguments) ||
- visitNode(cbNode, node.template);
- case 199 /* TypeAssertionExpression */:
- return visitNode(cbNode, node.type) ||
- visitNode(cbNode, node.expression);
- case 200 /* ParenthesizedExpression */:
- return visitNode(cbNode, node.expression);
- case 203 /* DeleteExpression */:
- return visitNode(cbNode, node.expression);
- case 204 /* TypeOfExpression */:
- return visitNode(cbNode, node.expression);
- case 205 /* VoidExpression */:
- return visitNode(cbNode, node.expression);
- case 207 /* PrefixUnaryExpression */:
- return visitNode(cbNode, node.operand);
- case 212 /* YieldExpression */:
- return visitNode(cbNode, node.asteriskToken) ||
- visitNode(cbNode, node.expression);
- case 206 /* AwaitExpression */:
- return visitNode(cbNode, node.expression);
- case 208 /* PostfixUnaryExpression */:
- return visitNode(cbNode, node.operand);
- case 209 /* BinaryExpression */:
- return visitNode(cbNode, node.left) ||
- visitNode(cbNode, node.operatorToken) ||
- visitNode(cbNode, node.right);
- case 217 /* AsExpression */:
- return visitNode(cbNode, node.expression) ||
- visitNode(cbNode, node.type);
- case 218 /* NonNullExpression */:
- return visitNode(cbNode, node.expression);
- case 219 /* MetaProperty */:
- return visitNode(cbNode, node.name);
- case 210 /* ConditionalExpression */:
- return visitNode(cbNode, node.condition) ||
- visitNode(cbNode, node.questionToken) ||
- visitNode(cbNode, node.whenTrue) ||
- visitNode(cbNode, node.colonToken) ||
- visitNode(cbNode, node.whenFalse);
- case 213 /* SpreadElement */:
- return visitNode(cbNode, node.expression);
- case 223 /* Block */:
- case 250 /* ModuleBlock */:
- return visitNodes(cbNode, cbNodes, node.statements);
- case 290 /* SourceFile */:
- return visitNodes(cbNode, cbNodes, node.statements) ||
- visitNode(cbNode, node.endOfFileToken);
- case 225 /* VariableStatement */:
- return visitNodes(cbNode, cbNodes, node.decorators) ||
- visitNodes(cbNode, cbNodes, node.modifiers) ||
- visitNode(cbNode, node.declarationList);
- case 243 /* VariableDeclarationList */:
- return visitNodes(cbNode, cbNodes, node.declarations);
- case 226 /* ExpressionStatement */:
- return visitNode(cbNode, node.expression);
- case 227 /* IfStatement */:
- return visitNode(cbNode, node.expression) ||
- visitNode(cbNode, node.thenStatement) ||
- visitNode(cbNode, node.elseStatement);
- case 228 /* DoStatement */:
- return visitNode(cbNode, node.statement) ||
- visitNode(cbNode, node.expression);
- case 229 /* WhileStatement */:
- return visitNode(cbNode, node.expression) ||
- visitNode(cbNode, node.statement);
- case 230 /* ForStatement */:
- return visitNode(cbNode, node.initializer) ||
- visitNode(cbNode, node.condition) ||
- visitNode(cbNode, node.incrementor) ||
- visitNode(cbNode, node.statement);
- case 231 /* ForInStatement */:
- return visitNode(cbNode, node.initializer) ||
- visitNode(cbNode, node.expression) ||
- visitNode(cbNode, node.statement);
- case 232 /* ForOfStatement */:
- return visitNode(cbNode, node.awaitModifier) ||
- visitNode(cbNode, node.initializer) ||
- visitNode(cbNode, node.expression) ||
- visitNode(cbNode, node.statement);
- case 233 /* ContinueStatement */:
- case 234 /* BreakStatement */:
- return visitNode(cbNode, node.label);
- case 235 /* ReturnStatement */:
- return visitNode(cbNode, node.expression);
- case 236 /* WithStatement */:
- return visitNode(cbNode, node.expression) ||
- visitNode(cbNode, node.statement);
- case 237 /* SwitchStatement */:
- return visitNode(cbNode, node.expression) ||
- visitNode(cbNode, node.caseBlock);
- case 251 /* CaseBlock */:
- return visitNodes(cbNode, cbNodes, node.clauses);
- case 277 /* CaseClause */:
- return visitNode(cbNode, node.expression) ||
- visitNodes(cbNode, cbNodes, node.statements);
- case 278 /* DefaultClause */:
- return visitNodes(cbNode, cbNodes, node.statements);
- case 238 /* LabeledStatement */:
- return visitNode(cbNode, node.label) ||
- visitNode(cbNode, node.statement);
- case 239 /* ThrowStatement */:
- return visitNode(cbNode, node.expression);
- case 240 /* TryStatement */:
- return visitNode(cbNode, node.tryBlock) ||
- visitNode(cbNode, node.catchClause) ||
- visitNode(cbNode, node.finallyBlock);
- case 280 /* CatchClause */:
- return visitNode(cbNode, node.variableDeclaration) ||
- visitNode(cbNode, node.block);
- case 157 /* Decorator */:
- return visitNode(cbNode, node.expression);
- case 245 /* ClassDeclaration */:
- case 214 /* ClassExpression */:
- return visitNodes(cbNode, cbNodes, node.decorators) ||
- visitNodes(cbNode, cbNodes, node.modifiers) ||
- visitNode(cbNode, node.name) ||
- visitNodes(cbNode, cbNodes, node.typeParameters) ||
- visitNodes(cbNode, cbNodes, node.heritageClauses) ||
- visitNodes(cbNode, cbNodes, node.members);
- case 246 /* InterfaceDeclaration */:
- return visitNodes(cbNode, cbNodes, node.decorators) ||
- visitNodes(cbNode, cbNodes, node.modifiers) ||
- visitNode(cbNode, node.name) ||
- visitNodes(cbNode, cbNodes, node.typeParameters) ||
- visitNodes(cbNode, cbNodes, node.heritageClauses) ||
- visitNodes(cbNode, cbNodes, node.members);
- case 247 /* TypeAliasDeclaration */:
- return visitNodes(cbNode, cbNodes, node.decorators) ||
- visitNodes(cbNode, cbNodes, node.modifiers) ||
- visitNode(cbNode, node.name) ||
- visitNodes(cbNode, cbNodes, node.typeParameters) ||
- visitNode(cbNode, node.type);
- case 248 /* EnumDeclaration */:
- return visitNodes(cbNode, cbNodes, node.decorators) ||
- visitNodes(cbNode, cbNodes, node.modifiers) ||
- visitNode(cbNode, node.name) ||
- visitNodes(cbNode, cbNodes, node.members);
- case 284 /* EnumMember */:
- return visitNode(cbNode, node.name) ||
- visitNode(cbNode, node.initializer);
- case 249 /* ModuleDeclaration */:
- return visitNodes(cbNode, cbNodes, node.decorators) ||
- visitNodes(cbNode, cbNodes, node.modifiers) ||
- visitNode(cbNode, node.name) ||
- visitNode(cbNode, node.body);
- case 253 /* ImportEqualsDeclaration */:
- return visitNodes(cbNode, cbNodes, node.decorators) ||
- visitNodes(cbNode, cbNodes, node.modifiers) ||
- visitNode(cbNode, node.name) ||
- visitNode(cbNode, node.moduleReference);
- case 254 /* ImportDeclaration */:
- return visitNodes(cbNode, cbNodes, node.decorators) ||
- visitNodes(cbNode, cbNodes, node.modifiers) ||
- visitNode(cbNode, node.importClause) ||
- visitNode(cbNode, node.moduleSpecifier);
- case 255 /* ImportClause */:
- return visitNode(cbNode, node.name) ||
- visitNode(cbNode, node.namedBindings);
- case 252 /* NamespaceExportDeclaration */:
- return visitNode(cbNode, node.name);
- case 256 /* NamespaceImport */:
- return visitNode(cbNode, node.name);
- case 262 /* NamespaceExport */:
- return visitNode(cbNode, node.name);
- case 257 /* NamedImports */:
- case 261 /* NamedExports */:
- return visitNodes(cbNode, cbNodes, node.elements);
- case 260 /* ExportDeclaration */:
- return visitNodes(cbNode, cbNodes, node.decorators) ||
- visitNodes(cbNode, cbNodes, node.modifiers) ||
- visitNode(cbNode, node.exportClause) ||
- visitNode(cbNode, node.moduleSpecifier);
- case 258 /* ImportSpecifier */:
- case 263 /* ExportSpecifier */:
- return visitNode(cbNode, node.propertyName) ||
- visitNode(cbNode, node.name);
- case 259 /* ExportAssignment */:
- return visitNodes(cbNode, cbNodes, node.decorators) ||
- visitNodes(cbNode, cbNodes, node.modifiers) ||
- visitNode(cbNode, node.expression);
- case 211 /* TemplateExpression */:
- return visitNode(cbNode, node.head) || visitNodes(cbNode, cbNodes, node.templateSpans);
- case 221 /* TemplateSpan */:
- return visitNode(cbNode, node.expression) || visitNode(cbNode, node.literal);
- case 154 /* ComputedPropertyName */:
- return visitNode(cbNode, node.expression);
- case 279 /* HeritageClause */:
- return visitNodes(cbNode, cbNodes, node.types);
- case 216 /* ExpressionWithTypeArguments */:
- return visitNode(cbNode, node.expression) ||
- visitNodes(cbNode, cbNodes, node.typeArguments);
- case 265 /* ExternalModuleReference */:
- return visitNode(cbNode, node.expression);
- case 264 /* MissingDeclaration */:
- return visitNodes(cbNode, cbNodes, node.decorators);
- case 327 /* CommaListExpression */:
- return visitNodes(cbNode, cbNodes, node.elements);
- case 266 /* JsxElement */:
- return visitNode(cbNode, node.openingElement) ||
- visitNodes(cbNode, cbNodes, node.children) ||
- visitNode(cbNode, node.closingElement);
- case 270 /* JsxFragment */:
- return visitNode(cbNode, node.openingFragment) ||
- visitNodes(cbNode, cbNodes, node.children) ||
- visitNode(cbNode, node.closingFragment);
- case 267 /* JsxSelfClosingElement */:
- case 268 /* JsxOpeningElement */:
- return visitNode(cbNode, node.tagName) ||
- visitNodes(cbNode, cbNodes, node.typeArguments) ||
- visitNode(cbNode, node.attributes);
- case 274 /* JsxAttributes */:
- return visitNodes(cbNode, cbNodes, node.properties);
- case 273 /* JsxAttribute */:
- return visitNode(cbNode, node.name) ||
- visitNode(cbNode, node.initializer);
- case 275 /* JsxSpreadAttribute */:
- return visitNode(cbNode, node.expression);
- case 276 /* JsxExpression */:
- return visitNode(cbNode, node.dotDotDotToken) ||
- visitNode(cbNode, node.expression);
- case 269 /* JsxClosingElement */:
- return visitNode(cbNode, node.tagName);
- case 176 /* OptionalType */:
- case 177 /* RestType */:
- case 294 /* JSDocTypeExpression */:
- case 298 /* JSDocNonNullableType */:
- case 297 /* JSDocNullableType */:
- case 299 /* JSDocOptionalType */:
- case 301 /* JSDocVariadicType */:
- return visitNode(cbNode, node.type);
- case 300 /* JSDocFunctionType */:
- return visitNodes(cbNode, cbNodes, node.parameters) ||
- visitNode(cbNode, node.type);
- case 303 /* JSDocComment */:
- return visitNodes(cbNode, cbNodes, node.tags);
- case 317 /* JSDocParameterTag */:
- case 323 /* JSDocPropertyTag */:
- return visitNode(cbNode, node.tagName) ||
- (node.isNameFirst
- ? visitNode(cbNode, node.name) ||
- visitNode(cbNode, node.typeExpression)
- : visitNode(cbNode, node.typeExpression) ||
- visitNode(cbNode, node.name));
- case 309 /* JSDocAuthorTag */:
- return visitNode(cbNode, node.tagName);
- case 308 /* JSDocImplementsTag */:
- return visitNode(cbNode, node.tagName) ||
- visitNode(cbNode, node.class);
- case 307 /* JSDocAugmentsTag */:
- return visitNode(cbNode, node.tagName) ||
- visitNode(cbNode, node.class);
- case 321 /* JSDocTemplateTag */:
- return visitNode(cbNode, node.tagName) ||
- visitNode(cbNode, node.constraint) ||
- visitNodes(cbNode, cbNodes, node.typeParameters);
- case 322 /* JSDocTypedefTag */:
- return visitNode(cbNode, node.tagName) ||
- (node.typeExpression &&
- node.typeExpression.kind === 294 /* JSDocTypeExpression */
- ? visitNode(cbNode, node.typeExpression) ||
- visitNode(cbNode, node.fullName)
- : visitNode(cbNode, node.fullName) ||
- visitNode(cbNode, node.typeExpression));
- case 315 /* JSDocCallbackTag */:
- return visitNode(cbNode, node.tagName) ||
- visitNode(cbNode, node.fullName) ||
- visitNode(cbNode, node.typeExpression);
- case 318 /* JSDocReturnTag */:
- case 320 /* JSDocTypeTag */:
- case 319 /* JSDocThisTag */:
- case 316 /* JSDocEnumTag */:
- return visitNode(cbNode, node.tagName) ||
- visitNode(cbNode, node.typeExpression);
- case 305 /* JSDocSignature */:
- return ts.forEach(node.typeParameters, cbNode) ||
- ts.forEach(node.parameters, cbNode) ||
- visitNode(cbNode, node.type);
- case 304 /* JSDocTypeLiteral */:
- return ts.forEach(node.jsDocPropertyTags, cbNode);
- case 306 /* JSDocTag */:
- case 310 /* JSDocClassTag */:
- case 311 /* JSDocPublicTag */:
- case 312 /* JSDocPrivateTag */:
- case 313 /* JSDocProtectedTag */:
- case 314 /* JSDocReadonlyTag */:
- return visitNode(cbNode, node.tagName);
- case 326 /* PartiallyEmittedExpression */:
- return visitNode(cbNode, node.expression);
- }
- }
- ts.forEachChild = forEachChild;
- /** @internal */
- /**
- * Invokes a callback for each child of the given node. The 'cbNode' callback is invoked for all child nodes
- * stored in properties. If a 'cbNodes' callback is specified, it is invoked for embedded arrays; additionally,
- * unlike `forEachChild`, embedded arrays are flattened and the 'cbNode' callback is invoked for each element.
- * If a callback returns a truthy value, iteration stops and that value is returned. Otherwise, undefined is returned.
- *
- * @param node a given node to visit its children
- * @param cbNode a callback to be invoked for all child nodes
- * @param cbNodes a callback to be invoked for embedded array
- *
- * @remarks Unlike `forEachChild`, `forEachChildRecursively` handles recursively invoking the traversal on each child node found,
- * and while doing so, handles traversing the structure without relying on the callstack to encode the tree structure.
- */
- function forEachChildRecursively(rootNode, cbNode, cbNodes) {
- var stack = [rootNode];
- while (stack.length) {
- var parent = stack.pop();
- var res = visitAllPossibleChildren(parent, gatherPossibleChildren(parent));
- if (res) {
- return res;
- }
- }
- return;
- function gatherPossibleChildren(node) {
- var children = [];
- forEachChild(node, addWorkItem, addWorkItem); // By using a stack above and `unshift` here, we emulate a depth-first preorder traversal
- return children;
- function addWorkItem(n) {
- children.unshift(n);
- }
- }
- function visitAllPossibleChildren(parent, children) {
- for (var _i = 0, children_1 = children; _i < children_1.length; _i++) {
- var child = children_1[_i];
- if (ts.isArray(child)) {
- if (cbNodes) {
- var res = cbNodes(child, parent);
- if (res) {
- if (res === "skip")
- continue;
- return res;
- }
- }
- for (var i = child.length - 1; i >= 0; i--) {
- var realChild = child[i];
- var res = cbNode(realChild, parent);
- if (res) {
- if (res === "skip")
- continue;
- return res;
- }
- stack.push(realChild);
- }
- }
- else {
- stack.push(child);
- var res = cbNode(child, parent);
- if (res) {
- if (res === "skip")
- continue;
- return res;
- }
- }
- }
- }
- }
- ts.forEachChildRecursively = forEachChildRecursively;
- function createSourceFile(fileName, sourceText, languageVersion, setParentNodes, scriptKind) {
- if (setParentNodes === void 0) { setParentNodes = false; }
- ts.performance.mark("beforeParse");
- var result;
- ts.perfLogger.logStartParseSourceFile(fileName);
- if (languageVersion === 100 /* JSON */) {
- result = Parser.parseSourceFile(fileName, sourceText, languageVersion, /*syntaxCursor*/ undefined, setParentNodes, 6 /* JSON */);
- }
- else {
- result = Parser.parseSourceFile(fileName, sourceText, languageVersion, /*syntaxCursor*/ undefined, setParentNodes, scriptKind);
- }
- ts.perfLogger.logStopParseSourceFile();
- ts.performance.mark("afterParse");
- ts.performance.measure("Parse", "beforeParse", "afterParse");
- return result;
- }
- ts.createSourceFile = createSourceFile;
- function parseIsolatedEntityName(text, languageVersion) {
- return Parser.parseIsolatedEntityName(text, languageVersion);
- }
- ts.parseIsolatedEntityName = parseIsolatedEntityName;
- /**
- * Parse json text into SyntaxTree and return node and parse errors if any
- * @param fileName
- * @param sourceText
- */
- function parseJsonText(fileName, sourceText) {
- return Parser.parseJsonText(fileName, sourceText);
- }
- ts.parseJsonText = parseJsonText;
- // See also `isExternalOrCommonJsModule` in utilities.ts
- function isExternalModule(file) {
- return file.externalModuleIndicator !== undefined;
- }
- ts.isExternalModule = isExternalModule;
- // Produces a new SourceFile for the 'newText' provided. The 'textChangeRange' parameter
- // indicates what changed between the 'text' that this SourceFile has and the 'newText'.
- // The SourceFile will be created with the compiler attempting to reuse as many nodes from
- // this file as possible.
- //
- // Note: this function mutates nodes from this SourceFile. That means any existing nodes
- // from this SourceFile that are being held onto may change as a result (including
- // becoming detached from any SourceFile). It is recommended that this SourceFile not
- // be used once 'update' is called on it.
- function updateSourceFile(sourceFile, newText, textChangeRange, aggressiveChecks) {
- if (aggressiveChecks === void 0) { aggressiveChecks = false; }
- var newSourceFile = IncrementalParser.updateSourceFile(sourceFile, newText, textChangeRange, aggressiveChecks);
- // Because new source file node is created, it may not have the flag PossiblyContainDynamicImport. This is the case if there is no new edit to add dynamic import.
- // We will manually port the flag to the new source file.
- newSourceFile.flags |= (sourceFile.flags & 3145728 /* PermanentlySetIncrementalFlags */);
- return newSourceFile;
- }
- ts.updateSourceFile = updateSourceFile;
- /* @internal */
- function parseIsolatedJSDocComment(content, start, length) {
- var result = Parser.JSDocParser.parseIsolatedJSDocComment(content, start, length);
- if (result && result.jsDoc) {
- // because the jsDocComment was parsed out of the source file, it might
- // not be covered by the fixupParentReferences.
- Parser.fixupParentReferences(result.jsDoc);
- }
- return result;
- }
- ts.parseIsolatedJSDocComment = parseIsolatedJSDocComment;
- /* @internal */
- // Exposed only for testing.
- function parseJSDocTypeExpressionForTests(content, start, length) {
- return Parser.JSDocParser.parseJSDocTypeExpressionForTests(content, start, length);
- }
- ts.parseJSDocTypeExpressionForTests = parseJSDocTypeExpressionForTests;
- // Implement the parser as a singleton module. We do this for perf reasons because creating
- // parser instances can actually be expensive enough to impact us on projects with many source
- // files.
- var Parser;
- (function (Parser) {
- // Share a single scanner across all calls to parse a source file. This helps speed things
- // up by avoiding the cost of creating/compiling scanners over and over again.
- var scanner = ts.createScanner(99 /* Latest */, /*skipTrivia*/ true);
- var disallowInAndDecoratorContext = 4096 /* DisallowInContext */ | 16384 /* DecoratorContext */;
- // capture constructors in 'initializeState' to avoid null checks
- var NodeConstructor;
- var TokenConstructor;
- var IdentifierConstructor;
- var PrivateIdentifierConstructor;
- var SourceFileConstructor;
- var sourceFile;
- var parseDiagnostics;
- var syntaxCursor;
- var currentToken;
- var sourceText;
- var nodeCount;
- var identifiers;
- var privateIdentifiers;
- var identifierCount;
- var parsingContext;
- var notParenthesizedArrow;
- // Flags that dictate what parsing context we're in. For example:
- // Whether or not we are in strict parsing mode. All that changes in strict parsing mode is
- // that some tokens that would be considered identifiers may be considered keywords.
- //
- // When adding more parser context flags, consider which is the more common case that the
- // flag will be in. This should be the 'false' state for that flag. The reason for this is
- // that we don't store data in our nodes unless the value is in the *non-default* state. So,
- // for example, more often than code 'allows-in' (or doesn't 'disallow-in'). We opt for
- // 'disallow-in' set to 'false'. Otherwise, if we had 'allowsIn' set to 'true', then almost
- // all nodes would need extra state on them to store this info.
- //
- // Note: 'allowIn' and 'allowYield' track 1:1 with the [in] and [yield] concepts in the ES6
- // grammar specification.
- //
- // An important thing about these context concepts. By default they are effectively inherited
- // while parsing through every grammar production. i.e. if you don't change them, then when
- // you parse a sub-production, it will have the same context values as the parent production.
- // This is great most of the time. After all, consider all the 'expression' grammar productions
- // and how nearly all of them pass along the 'in' and 'yield' context values:
- //
- // EqualityExpression[In, Yield] :
- // RelationalExpression[?In, ?Yield]
- // EqualityExpression[?In, ?Yield] == RelationalExpression[?In, ?Yield]
- // EqualityExpression[?In, ?Yield] != RelationalExpression[?In, ?Yield]
- // EqualityExpression[?In, ?Yield] === RelationalExpression[?In, ?Yield]
- // EqualityExpression[?In, ?Yield] !== RelationalExpression[?In, ?Yield]
- //
- // Where you have to be careful is then understanding what the points are in the grammar
- // where the values are *not* passed along. For example:
- //
- // SingleNameBinding[Yield,GeneratorParameter]
- // [+GeneratorParameter]BindingIdentifier[Yield] Initializer[In]opt
- // [~GeneratorParameter]BindingIdentifier[?Yield]Initializer[In, ?Yield]opt
- //
- // Here this is saying that if the GeneratorParameter context flag is set, that we should
- // explicitly set the 'yield' context flag to false before calling into the BindingIdentifier
- // and we should explicitly unset the 'yield' context flag before calling into the Initializer.
- // production. Conversely, if the GeneratorParameter context flag is not set, then we
- // should leave the 'yield' context flag alone.
- //
- // Getting this all correct is tricky and requires careful reading of the grammar to
- // understand when these values should be changed versus when they should be inherited.
- //
- // Note: it should not be necessary to save/restore these flags during speculative/lookahead
- // parsing. These context flags are naturally stored and restored through normal recursive
- // descent parsing and unwinding.
- var contextFlags;
- // Whether or not we've had a parse error since creating the last AST node. If we have
- // encountered an error, it will be stored on the next AST node we create. Parse errors
- // can be broken down into three categories:
- //
- // 1) An error that occurred during scanning. For example, an unterminated literal, or a
- // character that was completely not understood.
- //
- // 2) A token was expected, but was not present. This type of error is commonly produced
- // by the 'parseExpected' function.
- //
- // 3) A token was present that no parsing function was able to consume. This type of error
- // only occurs in the 'abortParsingListOrMoveToNextToken' function when the parser
- // decides to skip the token.
- //
- // In all of these cases, we want to mark the next node as having had an error before it.
- // With this mark, we can know in incremental settings if this node can be reused, or if
- // we have to reparse it. If we don't keep this information around, we may just reuse the
- // node. in that event we would then not produce the same errors as we did before, causing
- // significant confusion problems.
- //
- // Note: it is necessary that this value be saved/restored during speculative/lookahead
- // parsing. During lookahead parsing, we will often create a node. That node will have
- // this value attached, and then this value will be set back to 'false'. If we decide to
- // rewind, we must get back to the same value we had prior to the lookahead.
- //
- // Note: any errors at the end of the file that do not precede a regular node, should get
- // attached to the EOF token.
- var parseErrorBeforeNextFinishedNode = false;
- function parseSourceFile(fileName, sourceText, languageVersion, syntaxCursor, setParentNodes, scriptKind) {
- if (setParentNodes === void 0) { setParentNodes = false; }
- scriptKind = ts.ensureScriptKind(fileName, scriptKind);
- if (scriptKind === 6 /* JSON */) {
- var result_2 = parseJsonText(fileName, sourceText, languageVersion, syntaxCursor, setParentNodes);
- ts.convertToObjectWorker(result_2, result_2.parseDiagnostics, /*returnValue*/ false, /*knownRootOptions*/ undefined, /*jsonConversionNotifier*/ undefined);
- result_2.referencedFiles = ts.emptyArray;
- result_2.typeReferenceDirectives = ts.emptyArray;
- result_2.libReferenceDirectives = ts.emptyArray;
- result_2.amdDependencies = ts.emptyArray;
- result_2.hasNoDefaultLib = false;
- result_2.pragmas = ts.emptyMap;
- return result_2;
- }
- initializeState(sourceText, languageVersion, syntaxCursor, scriptKind);
- var result = parseSourceFileWorker(fileName, languageVersion, setParentNodes, scriptKind);
- clearState();
- return result;
- }
- Parser.parseSourceFile = parseSourceFile;
- function parseIsolatedEntityName(content, languageVersion) {
- // Choice of `isDeclarationFile` should be arbitrary
- initializeState(content, languageVersion, /*syntaxCursor*/ undefined, 1 /* JS */);
- // Prime the scanner.
- nextToken();
- var entityName = parseEntityName(/*allowReservedWords*/ true);
- var isInvalid = token() === 1 /* EndOfFileToken */ && !parseDiagnostics.length;
- clearState();
- return isInvalid ? entityName : undefined;
- }
- Parser.parseIsolatedEntityName = parseIsolatedEntityName;
- function parseJsonText(fileName, sourceText, languageVersion, syntaxCursor, setParentNodes) {
- if (languageVersion === void 0) { languageVersion = 2 /* ES2015 */; }
- initializeState(sourceText, languageVersion, syntaxCursor, 6 /* JSON */);
- // Set source file so that errors will be reported with this file name
- sourceFile = createSourceFile(fileName, 2 /* ES2015 */, 6 /* JSON */, /*isDeclaration*/ false);
- sourceFile.flags = contextFlags;
- // Prime the scanner.
- nextToken();
- var pos = getNodePos();
- if (token() === 1 /* EndOfFileToken */) {
- sourceFile.statements = createNodeArray([], pos, pos);
- sourceFile.endOfFileToken = parseTokenNode();
- }
- else {
- var statement = createNode(226 /* ExpressionStatement */);
- switch (token()) {
- case 22 /* OpenBracketToken */:
- statement.expression = parseArrayLiteralExpression();
- break;
- case 106 /* TrueKeyword */:
- case 91 /* FalseKeyword */:
- case 100 /* NullKeyword */:
- statement.expression = parseTokenNode();
- break;
- case 40 /* MinusToken */:
- if (lookAhead(function () { return nextToken() === 8 /* NumericLiteral */ && nextToken() !== 58 /* ColonToken */; })) {
- statement.expression = parsePrefixUnaryExpression();
- }
- else {
- statement.expression = parseObjectLiteralExpression();
- }
- break;
- case 8 /* NumericLiteral */:
- case 10 /* StringLiteral */:
- if (lookAhead(function () { return nextToken() !== 58 /* ColonToken */; })) {
- statement.expression = parseLiteralNode();
- break;
- }
- // falls through
- default:
- statement.expression = parseObjectLiteralExpression();
- break;
- }
- finishNode(statement);
- sourceFile.statements = createNodeArray([statement], pos);
- sourceFile.endOfFileToken = parseExpectedToken(1 /* EndOfFileToken */, ts.Diagnostics.Unexpected_token);
- }
- if (setParentNodes) {
- fixupParentReferences(sourceFile);
- }
- sourceFile.nodeCount = nodeCount;
- sourceFile.identifierCount = identifierCount;
- sourceFile.identifiers = identifiers;
- sourceFile.parseDiagnostics = parseDiagnostics;
- var result = sourceFile;
- clearState();
- return result;
- }
- Parser.parseJsonText = parseJsonText;
- function getLanguageVariant(scriptKind) {
- // .tsx and .jsx files are treated as jsx language variant.
- return scriptKind === 4 /* TSX */ || scriptKind === 2 /* JSX */ || scriptKind === 1 /* JS */ || scriptKind === 6 /* JSON */ ? 1 /* JSX */ : 0 /* Standard */;
- }
- function initializeState(_sourceText, languageVersion, _syntaxCursor, scriptKind) {
- NodeConstructor = ts.objectAllocator.getNodeConstructor();
- TokenConstructor = ts.objectAllocator.getTokenConstructor();
- IdentifierConstructor = ts.objectAllocator.getIdentifierConstructor();
- PrivateIdentifierConstructor = ts.objectAllocator.getPrivateIdentifierConstructor();
- SourceFileConstructor = ts.objectAllocator.getSourceFileConstructor();
- sourceText = _sourceText;
- syntaxCursor = _syntaxCursor;
- parseDiagnostics = [];
- parsingContext = 0;
- identifiers = ts.createMap();
- privateIdentifiers = ts.createMap();
- identifierCount = 0;
- nodeCount = 0;
- switch (scriptKind) {
- case 1 /* JS */:
- case 2 /* JSX */:
- contextFlags = 131072 /* JavaScriptFile */;
- break;
- case 6 /* JSON */:
- contextFlags = 131072 /* JavaScriptFile */ | 33554432 /* JsonFile */;
- break;
- default:
- contextFlags = 0 /* None */;
- break;
- }
- parseErrorBeforeNextFinishedNode = false;
- // Initialize and prime the scanner before parsing the source elements.
- scanner.setText(sourceText);
- scanner.setOnError(scanError);
- scanner.setScriptTarget(languageVersion);
- scanner.setLanguageVariant(getLanguageVariant(scriptKind));
- }
- function clearState() {
- // Clear out the text the scanner is pointing at, so it doesn't keep anything alive unnecessarily.
- scanner.clearCommentDirectives();
- scanner.setText("");
- scanner.setOnError(undefined);
- // Clear any data. We don't want to accidentally hold onto it for too long.
- parseDiagnostics = undefined;
- sourceFile = undefined;
- identifiers = undefined;
- syntaxCursor = undefined;
- sourceText = undefined;
- notParenthesizedArrow = undefined;
- }
- function parseSourceFileWorker(fileName, languageVersion, setParentNodes, scriptKind) {
- var isDeclarationFile = isDeclarationFileName(fileName);
- if (isDeclarationFile) {
- contextFlags |= 8388608 /* Ambient */;
- }
- sourceFile = createSourceFile(fileName, languageVersion, scriptKind, isDeclarationFile);
- sourceFile.flags = contextFlags;
- // Prime the scanner.
- nextToken();
- // A member of ReadonlyArray<T> isn't assignable to a member of T[] (and prevents a direct cast) - but this is where we set up those members so they can be readonly in the future
- processCommentPragmas(sourceFile, sourceText);
- processPragmasIntoFields(sourceFile, reportPragmaDiagnostic);
- sourceFile.statements = parseList(0 /* SourceElements */, parseStatement);
- ts.Debug.assert(token() === 1 /* EndOfFileToken */);
- sourceFile.endOfFileToken = addJSDocComment(parseTokenNode());
- setExternalModuleIndicator(sourceFile);
- sourceFile.commentDirectives = scanner.getCommentDirectives();
- sourceFile.nodeCount = nodeCount;
- sourceFile.identifierCount = identifierCount;
- sourceFile.identifiers = identifiers;
- sourceFile.parseDiagnostics = parseDiagnostics;
- if (setParentNodes) {
- fixupParentReferences(sourceFile);
- }
- return sourceFile;
- function reportPragmaDiagnostic(pos, end, diagnostic) {
- parseDiagnostics.push(ts.createFileDiagnostic(sourceFile, pos, end, diagnostic));
- }
- }
- function addJSDocComment(node) {
- ts.Debug.assert(!node.jsDoc); // Should only be called once per node
- var jsDoc = ts.mapDefined(ts.getJSDocCommentRanges(node, sourceFile.text), function (comment) { return JSDocParser.parseJSDocComment(node, comment.pos, comment.end - comment.pos); });
- if (jsDoc.length)
- node.jsDoc = jsDoc;
- return node;
- }
- function fixupParentReferences(rootNode) {
- // normally parent references are set during binding. However, for clients that only need
- // a syntax tree, and no semantic features, then the binding process is an unnecessary
- // overhead. This functions allows us to set all the parents, without all the expense of
- // binding.
- forEachChildRecursively(rootNode, bindParentToChild);
- function bindParentToChild(child, parent) {
- child.parent = parent;
- if (ts.hasJSDocNodes(child)) {
- for (var _i = 0, _a = child.jsDoc; _i < _a.length; _i++) {
- var doc = _a[_i];
- bindParentToChild(doc, child);
- forEachChildRecursively(doc, bindParentToChild);
- }
- }
- }
- }
- Parser.fixupParentReferences = fixupParentReferences;
- function createSourceFile(fileName, languageVersion, scriptKind, isDeclarationFile) {
- // code from createNode is inlined here so createNode won't have to deal with special case of creating source files
- // this is quite rare comparing to other nodes and createNode should be as fast as possible
- var sourceFile = new SourceFileConstructor(290 /* SourceFile */, /*pos*/ 0, /* end */ sourceText.length);
- nodeCount++;
- sourceFile.text = sourceText;
- sourceFile.bindDiagnostics = [];
- sourceFile.bindSuggestionDiagnostics = undefined;
- sourceFile.languageVersion = languageVersion;
- sourceFile.fileName = ts.normalizePath(fileName);
- sourceFile.languageVariant = getLanguageVariant(scriptKind);
- sourceFile.isDeclarationFile = isDeclarationFile;
- sourceFile.scriptKind = scriptKind;
- return sourceFile;
- }
- function setContextFlag(val, flag) {
- if (val) {
- contextFlags |= flag;
- }
- else {
- contextFlags &= ~flag;
- }
- }
- function setDisallowInContext(val) {
- setContextFlag(val, 4096 /* DisallowInContext */);
- }
- function setYieldContext(val) {
- setContextFlag(val, 8192 /* YieldContext */);
- }
- function setDecoratorContext(val) {
- setContextFlag(val, 16384 /* DecoratorContext */);
- }
- function setAwaitContext(val) {
- setContextFlag(val, 32768 /* AwaitContext */);
- }
- function doOutsideOfContext(context, func) {
- // contextFlagsToClear will contain only the context flags that are
- // currently set that we need to temporarily clear
- // We don't just blindly reset to the previous flags to ensure
- // that we do not mutate cached flags for the incremental
- // parser (ThisNodeHasError, ThisNodeOrAnySubNodesHasError, and
- // HasAggregatedChildData).
- var contextFlagsToClear = context & contextFlags;
- if (contextFlagsToClear) {
- // clear the requested context flags
- setContextFlag(/*val*/ false, contextFlagsToClear);
- var result = func();
- // restore the context flags we just cleared
- setContextFlag(/*val*/ true, contextFlagsToClear);
- return result;
- }
- // no need to do anything special as we are not in any of the requested contexts
- return func();
- }
- function doInsideOfContext(context, func) {
- // contextFlagsToSet will contain only the context flags that
- // are not currently set that we need to temporarily enable.
- // We don't just blindly reset to the previous flags to ensure
- // that we do not mutate cached flags for the incremental
- // parser (ThisNodeHasError, ThisNodeOrAnySubNodesHasError, and
- // HasAggregatedChildData).
- var contextFlagsToSet = context & ~contextFlags;
- if (contextFlagsToSet) {
- // set the requested context flags
- setContextFlag(/*val*/ true, contextFlagsToSet);
- var result = func();
- // reset the context flags we just set
- setContextFlag(/*val*/ false, contextFlagsToSet);
- return result;
- }
- // no need to do anything special as we are already in all of the requested contexts
- return func();
- }
- function allowInAnd(func) {
- return doOutsideOfContext(4096 /* DisallowInContext */, func);
- }
- function disallowInAnd(func) {
- return doInsideOfContext(4096 /* DisallowInContext */, func);
- }
- function doInYieldContext(func) {
- return doInsideOfContext(8192 /* YieldContext */, func);
- }
- function doInDecoratorContext(func) {
- return doInsideOfContext(16384 /* DecoratorContext */, func);
- }
- function doInAwaitContext(func) {
- return doInsideOfContext(32768 /* AwaitContext */, func);
- }
- function doOutsideOfAwaitContext(func) {
- return doOutsideOfContext(32768 /* AwaitContext */, func);
- }
- function doInYieldAndAwaitContext(func) {
- return doInsideOfContext(8192 /* YieldContext */ | 32768 /* AwaitContext */, func);
- }
- function doOutsideOfYieldAndAwaitContext(func) {
- return doOutsideOfContext(8192 /* YieldContext */ | 32768 /* AwaitContext */, func);
- }
- function inContext(flags) {
- return (contextFlags & flags) !== 0;
- }
- function inYieldContext() {
- return inContext(8192 /* YieldContext */);
- }
- function inDisallowInContext() {
- return inContext(4096 /* DisallowInContext */);
- }
- function inDecoratorContext() {
- return inContext(16384 /* DecoratorContext */);
- }
- function inAwaitContext() {
- return inContext(32768 /* AwaitContext */);
- }
- function parseErrorAtCurrentToken(message, arg0) {
- parseErrorAt(scanner.getTokenPos(), scanner.getTextPos(), message, arg0);
- }
- function parseErrorAtPosition(start, length, message, arg0) {
- // Don't report another error if it would just be at the same position as the last error.
- var lastError = ts.lastOrUndefined(parseDiagnostics);
- if (!lastError || start !== lastError.start) {
- parseDiagnostics.push(ts.createFileDiagnostic(sourceFile, start, length, message, arg0));
- }
- // Mark that we've encountered an error. We'll set an appropriate bit on the next
- // node we finish so that it can't be reused incrementally.
- parseErrorBeforeNextFinishedNode = true;
- }
- function parseErrorAt(start, end, message, arg0) {
- parseErrorAtPosition(start, end - start, message, arg0);
- }
- function parseErrorAtRange(range, message, arg0) {
- parseErrorAt(range.pos, range.end, message, arg0);
- }
- function scanError(message, length) {
- parseErrorAtPosition(scanner.getTextPos(), length, message);
- }
- function getNodePos() {
- return scanner.getStartPos();
- }
- // Use this function to access the current token instead of reading the currentToken
- // variable. Since function results aren't narrowed in control flow analysis, this ensures
- // that the type checker doesn't make wrong assumptions about the type of the current
- // token (e.g. a call to nextToken() changes the current token but the checker doesn't
- // reason about this side effect). Mainstream VMs inline simple functions like this, so
- // there is no performance penalty.
- function token() {
- return currentToken;
- }
- function nextTokenWithoutCheck() {
- return currentToken = scanner.scan();
- }
- function nextToken() {
- // if the keyword had an escape
- if (ts.isKeyword(currentToken) && (scanner.hasUnicodeEscape() || scanner.hasExtendedUnicodeEscape())) {
- // issue a parse error for the escape
- parseErrorAt(scanner.getTokenPos(), scanner.getTextPos(), ts.Diagnostics.Keywords_cannot_contain_escape_characters);
- }
- return nextTokenWithoutCheck();
- }
- function nextTokenJSDoc() {
- return currentToken = scanner.scanJsDocToken();
- }
- function reScanGreaterToken() {
- return currentToken = scanner.reScanGreaterToken();
- }
- function reScanSlashToken() {
- return currentToken = scanner.reScanSlashToken();
- }
- function reScanTemplateToken(isTaggedTemplate) {
- return currentToken = scanner.reScanTemplateToken(isTaggedTemplate);
- }
- function reScanTemplateHeadOrNoSubstitutionTemplate() {
- return currentToken = scanner.reScanTemplateHeadOrNoSubstitutionTemplate();
- }
- function reScanLessThanToken() {
- return currentToken = scanner.reScanLessThanToken();
- }
- function scanJsxIdentifier() {
- return currentToken = scanner.scanJsxIdentifier();
- }
- function scanJsxText() {
- return currentToken = scanner.scanJsxToken();
- }
- function scanJsxAttributeValue() {
- return currentToken = scanner.scanJsxAttributeValue();
- }
- function speculationHelper(callback, isLookAhead) {
- // Keep track of the state we'll need to rollback to if lookahead fails (or if the
- // caller asked us to always reset our state).
- var saveToken = currentToken;
- var saveParseDiagnosticsLength = parseDiagnostics.length;
- var saveParseErrorBeforeNextFinishedNode = parseErrorBeforeNextFinishedNode;
- // Note: it is not actually necessary to save/restore the context flags here. That's
- // because the saving/restoring of these flags happens naturally through the recursive
- // descent nature of our parser. However, we still store this here just so we can
- // assert that invariant holds.
- var saveContextFlags = contextFlags;
- // If we're only looking ahead, then tell the scanner to only lookahead as well.
- // Otherwise, if we're actually speculatively parsing, then tell the scanner to do the
- // same.
- var result = isLookAhead
- ? scanner.lookAhead(callback)
- : scanner.tryScan(callback);
- ts.Debug.assert(saveContextFlags === contextFlags);
- // If our callback returned something 'falsy' or we're just looking ahead,
- // then unconditionally restore us to where we were.
- if (!result || isLookAhead) {
- currentToken = saveToken;
- parseDiagnostics.length = saveParseDiagnosticsLength;
- parseErrorBeforeNextFinishedNode = saveParseErrorBeforeNextFinishedNode;
- }
- return result;
- }
- /** Invokes the provided callback then unconditionally restores the parser to the state it
- * was in immediately prior to invoking the callback. The result of invoking the callback
- * is returned from this function.
- */
- function lookAhead(callback) {
- return speculationHelper(callback, /*isLookAhead*/ true);
- }
- /** Invokes the provided callback. If the callback returns something falsy, then it restores
- * the parser to the state it was in immediately prior to invoking the callback. If the
- * callback returns something truthy, then the parser state is not rolled back. The result
- * of invoking the callback is returned from this function.
- */
- function tryParse(callback) {
- return speculationHelper(callback, /*isLookAhead*/ false);
- }
- // Ignore strict mode flag because we will report an error in type checker instead.
- function isIdentifier() {
- if (token() === 75 /* Identifier */) {
- return true;
- }
- // If we have a 'yield' keyword, and we're in the [yield] context, then 'yield' is
- // considered a keyword and is not an identifier.
- if (token() === 121 /* YieldKeyword */ && inYieldContext()) {
- return false;
- }
- // If we have a 'await' keyword, and we're in the [Await] context, then 'await' is
- // considered a keyword and is not an identifier.
- if (token() === 127 /* AwaitKeyword */ && inAwaitContext()) {
- return false;
- }
- return token() > 112 /* LastReservedWord */;
- }
- function parseExpected(kind, diagnosticMessage, shouldAdvance) {
- if (shouldAdvance === void 0) { shouldAdvance = true; }
- if (token() === kind) {
- if (shouldAdvance) {
- nextToken();
- }
- return true;
- }
- // Report specific message if provided with one. Otherwise, report generic fallback message.
- if (diagnosticMessage) {
- parseErrorAtCurrentToken(diagnosticMessage);
- }
- else {
- parseErrorAtCurrentToken(ts.Diagnostics._0_expected, ts.tokenToString(kind));
- }
- return false;
- }
- function parseExpectedJSDoc(kind) {
- if (token() === kind) {
- nextTokenJSDoc();
- return true;
- }
- parseErrorAtCurrentToken(ts.Diagnostics._0_expected, ts.tokenToString(kind));
- return false;
- }
- function parseOptional(t) {
- if (token() === t) {
- nextToken();
- return true;
- }
- return false;
- }
- function parseOptionalToken(t) {
- if (token() === t) {
- return parseTokenNode();
- }
- return undefined;
- }
- function parseOptionalTokenJSDoc(t) {
- if (token() === t) {
- return parseTokenNodeJSDoc();
- }
- return undefined;
- }
- function parseExpectedToken(t, diagnosticMessage, arg0) {
- return parseOptionalToken(t) ||
- createMissingNode(t, /*reportAtCurrentPosition*/ false, diagnosticMessage || ts.Diagnostics._0_expected, arg0 || ts.tokenToString(t));
- }
- function parseExpectedTokenJSDoc(t) {
- return parseOptionalTokenJSDoc(t) ||
- createMissingNode(t, /*reportAtCurrentPosition*/ false, ts.Diagnostics._0_expected, ts.tokenToString(t));
- }
- function parseTokenNode() {
- var node = createNode(token());
- nextToken();
- return finishNode(node);
- }
- function parseTokenNodeJSDoc() {
- var node = createNode(token());
- nextTokenJSDoc();
- return finishNode(node);
- }
- function canParseSemicolon() {
- // If there's a real semicolon, then we can always parse it out.
- if (token() === 26 /* SemicolonToken */) {
- return true;
- }
- // We can parse out an optional semicolon in ASI cases in the following cases.
- return token() === 19 /* CloseBraceToken */ || token() === 1 /* EndOfFileToken */ || scanner.hasPrecedingLineBreak();
- }
- function parseSemicolon() {
- if (canParseSemicolon()) {
- if (token() === 26 /* SemicolonToken */) {
- // consume the semicolon if it was explicitly provided.
- nextToken();
- }
- return true;
- }
- else {
- return parseExpected(26 /* SemicolonToken */);
- }
- }
- function createNode(kind, pos) {
- nodeCount++;
- var p = pos >= 0 ? pos : scanner.getStartPos();
- return ts.isNodeKind(kind) || kind === 0 /* Unknown */ ? new NodeConstructor(kind, p, p) :
- kind === 75 /* Identifier */ ? new IdentifierConstructor(kind, p, p) :
- kind === 76 /* PrivateIdentifier */ ? new PrivateIdentifierConstructor(kind, p, p) :
- new TokenConstructor(kind, p, p);
- }
- function createNodeWithJSDoc(kind, pos) {
- var node = createNode(kind, pos);
- if (scanner.getTokenFlags() & 2 /* PrecedingJSDocComment */ && (kind !== 226 /* ExpressionStatement */ || token() !== 20 /* OpenParenToken */)) {
- addJSDocComment(node);
- }
- return node;
- }
- function createNodeArray(elements, pos, end) {
- // Since the element list of a node array is typically created by starting with an empty array and
- // repeatedly calling push(), the list may not have the optimal memory layout. We invoke slice() for
- // small arrays (1 to 4 elements) to give the VM a chance to allocate an optimal representation.
- var length = elements.length;
- var array = (length >= 1 && length <= 4 ? elements.slice() : elements);
- array.pos = pos;
- array.end = end === undefined ? scanner.getStartPos() : end;
- return array;
- }
- function finishNode(node, end) {
- node.end = end === undefined ? scanner.getStartPos() : end;
- if (contextFlags) {
- node.flags |= contextFlags;
- }
- // Keep track on the node if we encountered an error while parsing it. If we did, then
- // we cannot reuse the node incrementally. Once we've marked this node, clear out the
- // flag so that we don't mark any subsequent nodes.
- if (parseErrorBeforeNextFinishedNode) {
- parseErrorBeforeNextFinishedNode = false;
- node.flags |= 65536 /* ThisNodeHasError */;
- }
- return node;
- }
- function createMissingNode(kind, reportAtCurrentPosition, diagnosticMessage, arg0) {
- if (reportAtCurrentPosition) {
- parseErrorAtPosition(scanner.getStartPos(), 0, diagnosticMessage, arg0);
- }
- else if (diagnosticMessage) {
- parseErrorAtCurrentToken(diagnosticMessage, arg0);
- }
- var result = createNode(kind);
- if (kind === 75 /* Identifier */) {
- result.escapedText = "";
- }
- else if (ts.isLiteralKind(kind) || ts.isTemplateLiteralKind(kind)) {
- result.text = "";
- }
- return finishNode(result);
- }
- function internIdentifier(text) {
- var identifier = identifiers.get(text);
- if (identifier === undefined) {
- identifiers.set(text, identifier = text);
- }
- return identifier;
- }
- // An identifier that starts with two underscores has an extra underscore character prepended to it to avoid issues
- // with magic property names like '__proto__'. The 'identifiers' object is used to share a single string instance for
- // each identifier in order to reduce memory consumption.
- function createIdentifier(isIdentifier, diagnosticMessage, privateIdentifierDiagnosticMessage) {
- identifierCount++;
- if (isIdentifier) {
- var node = createNode(75 /* Identifier */);
- // Store original token kind if it is not just an Identifier so we can report appropriate error later in type checker
- if (token() !== 75 /* Identifier */) {
- node.originalKeywordKind = token();
- }
- node.escapedText = ts.escapeLeadingUnderscores(internIdentifier(scanner.getTokenValue()));
- nextTokenWithoutCheck();
- return finishNode(node);
- }
- if (token() === 76 /* PrivateIdentifier */) {
- parseErrorAtCurrentToken(privateIdentifierDiagnosticMessage || ts.Diagnostics.Private_identifiers_are_not_allowed_outside_class_bodies);
- return createIdentifier(/*isIdentifier*/ true);
- }
- // Only for end of file because the error gets reported incorrectly on embedded script tags.
- var reportAtCurrentPosition = token() === 1 /* EndOfFileToken */;
- var isReservedWord = scanner.isReservedWord();
- var msgArg = scanner.getTokenText();
- var defaultMessage = isReservedWord ?
- ts.Diagnostics.Identifier_expected_0_is_a_reserved_word_that_cannot_be_used_here :
- ts.Diagnostics.Identifier_expected;
- return createMissingNode(75 /* Identifier */, reportAtCurrentPosition, diagnosticMessage || defaultMessage, msgArg);
- }
- function parseIdentifier(diagnosticMessage, privateIdentifierDiagnosticMessage) {
- return createIdentifier(isIdentifier(), diagnosticMessage, privateIdentifierDiagnosticMessage);
- }
- function parseIdentifierName(diagnosticMessage) {
- return createIdentifier(ts.tokenIsIdentifierOrKeyword(token()), diagnosticMessage);
- }
- function isLiteralPropertyName() {
- return ts.tokenIsIdentifierOrKeyword(token()) ||
- token() === 10 /* StringLiteral */ ||
- token() === 8 /* NumericLiteral */;
- }
- function parsePropertyNameWorker(allowComputedPropertyNames) {
- if (token() === 10 /* StringLiteral */ || token() === 8 /* NumericLiteral */) {
- var node = parseLiteralNode();
- node.text = internIdentifier(node.text);
- return node;
- }
- if (allowComputedPropertyNames && token() === 22 /* OpenBracketToken */) {
- return parseComputedPropertyName();
- }
- if (token() === 76 /* PrivateIdentifier */) {
- return parsePrivateIdentifier();
- }
- return parseIdentifierName();
- }
- function parsePropertyName() {
- return parsePropertyNameWorker(/*allowComputedPropertyNames*/ true);
- }
- function parseComputedPropertyName() {
- // PropertyName [Yield]:
- // LiteralPropertyName
- // ComputedPropertyName[?Yield]
- var node = createNode(154 /* ComputedPropertyName */);
- parseExpected(22 /* OpenBracketToken */);
- // We parse any expression (including a comma expression). But the grammar
- // says that only an assignment expression is allowed, so the grammar checker
- // will error if it sees a comma expression.
- node.expression = allowInAnd(parseExpression);
- parseExpected(23 /* CloseBracketToken */);
- return finishNode(node);
- }
- function internPrivateIdentifier(text) {
- var privateIdentifier = privateIdentifiers.get(text);
- if (privateIdentifier === undefined) {
- privateIdentifiers.set(text, privateIdentifier = text);
- }
- return privateIdentifier;
- }
- function parsePrivateIdentifier() {
- var node = createNode(76 /* PrivateIdentifier */);
- node.escapedText = ts.escapeLeadingUnderscores(internPrivateIdentifier(scanner.getTokenText()));
- nextToken();
- return finishNode(node);
- }
- function parseContextualModifier(t) {
- return token() === t && tryParse(nextTokenCanFollowModifier);
- }
- function nextTokenIsOnSameLineAndCanFollowModifier() {
- nextToken();
- if (scanner.hasPrecedingLineBreak()) {
- return false;
- }
- return canFollowModifier();
- }
- function nextTokenCanFollowModifier() {
- switch (token()) {
- case 81 /* ConstKeyword */:
- // 'const' is only a modifier if followed by 'enum'.
- return nextToken() === 88 /* EnumKeyword */;
- case 89 /* ExportKeyword */:
- nextToken();
- if (token() === 84 /* DefaultKeyword */) {
- return lookAhead(nextTokenCanFollowDefaultKeyword);
- }
- if (token() === 145 /* TypeKeyword */) {
- return lookAhead(nextTokenCanFollowExportModifier);
- }
- return canFollowExportModifier();
- case 84 /* DefaultKeyword */:
- return nextTokenCanFollowDefaultKeyword();
- case 120 /* StaticKeyword */:
- case 131 /* GetKeyword */:
- case 142 /* SetKeyword */:
- nextToken();
- return canFollowModifier();
- default:
- return nextTokenIsOnSameLineAndCanFollowModifier();
- }
- }
- function canFollowExportModifier() {
- return token() !== 41 /* AsteriskToken */
- && token() !== 123 /* AsKeyword */
- && token() !== 18 /* OpenBraceToken */
- && canFollowModifier();
- }
- function nextTokenCanFollowExportModifier() {
- nextToken();
- return canFollowExportModifier();
- }
- function parseAnyContextualModifier() {
- return ts.isModifierKind(token()) && tryParse(nextTokenCanFollowModifier);
- }
- function canFollowModifier() {
- return token() === 22 /* OpenBracketToken */
- || token() === 18 /* OpenBraceToken */
- || token() === 41 /* AsteriskToken */
- || token() === 25 /* DotDotDotToken */
- || isLiteralPropertyName();
- }
- function nextTokenCanFollowDefaultKeyword() {
- nextToken();
- return token() === 80 /* ClassKeyword */ || token() === 94 /* FunctionKeyword */ ||
- token() === 114 /* InterfaceKeyword */ ||
- (token() === 122 /* AbstractKeyword */ && lookAhead(nextTokenIsClassKeywordOnSameLine)) ||
- (token() === 126 /* AsyncKeyword */ && lookAhead(nextTokenIsFunctionKeywordOnSameLine));
- }
- // True if positioned at the start of a list element
- function isListElement(parsingContext, inErrorRecovery) {
- var node = currentNode(parsingContext);
- if (node) {
- return true;
- }
- switch (parsingContext) {
- case 0 /* SourceElements */:
- case 1 /* BlockStatements */:
- case 3 /* SwitchClauseStatements */:
- // If we're in error recovery, then we don't want to treat ';' as an empty statement.
- // The problem is that ';' can show up in far too many contexts, and if we see one
- // and assume it's a statement, then we may bail out inappropriately from whatever
- // we're parsing. For example, if we have a semicolon in the middle of a class, then
- // we really don't want to assume the class is over and we're on a statement in the
- // outer module. We just want to consume and move on.
- return !(token() === 26 /* SemicolonToken */ && inErrorRecovery) && isStartOfStatement();
- case 2 /* SwitchClauses */:
- return token() === 78 /* CaseKeyword */ || token() === 84 /* DefaultKeyword */;
- case 4 /* TypeMembers */:
- return lookAhead(isTypeMemberStart);
- case 5 /* ClassMembers */:
- // We allow semicolons as class elements (as specified by ES6) as long as we're
- // not in error recovery. If we're in error recovery, we don't want an errant
- // semicolon to be treated as a class member (since they're almost always used
- // for statements.
- return lookAhead(isClassMemberStart) || (token() === 26 /* SemicolonToken */ && !inErrorRecovery);
- case 6 /* EnumMembers */:
- // Include open bracket computed properties. This technically also lets in indexers,
- // which would be a candidate for improved error reporting.
- return token() === 22 /* OpenBracketToken */ || isLiteralPropertyName();
- case 12 /* ObjectLiteralMembers */:
- switch (token()) {
- case 22 /* OpenBracketToken */:
- case 41 /* AsteriskToken */:
- case 25 /* DotDotDotToken */:
- case 24 /* DotToken */: // Not an object literal member, but don't want to close the object (see `tests/cases/fourslash/completionsDotInObjectLiteral.ts`)
- return true;
- default:
- return isLiteralPropertyName();
- }
- case 18 /* RestProperties */:
- return isLiteralPropertyName();
- case 9 /* ObjectBindingElements */:
- return token() === 22 /* OpenBracketToken */ || token() === 25 /* DotDotDotToken */ || isLiteralPropertyName();
- case 7 /* HeritageClauseElement */:
- // If we see `{ ... }` then only consume it as an expression if it is followed by `,` or `{`
- // That way we won't consume the body of a class in its heritage clause.
- if (token() === 18 /* OpenBraceToken */) {
- return lookAhead(isValidHeritageClauseObjectLiteral);
- }
- if (!inErrorRecovery) {
- return isStartOfLeftHandSideExpression() && !isHeritageClauseExtendsOrImplementsKeyword();
- }
- else {
- // If we're in error recovery we tighten up what we're willing to match.
- // That way we don't treat something like "this" as a valid heritage clause
- // element during recovery.
- return isIdentifier() && !isHeritageClauseExtendsOrImplementsKeyword();
- }
- case 8 /* VariableDeclarations */:
- return isIdentifierOrPrivateIdentifierOrPattern();
- case 10 /* ArrayBindingElements */:
- return token() === 27 /* CommaToken */ || token() === 25 /* DotDotDotToken */ || isIdentifierOrPrivateIdentifierOrPattern();
- case 19 /* TypeParameters */:
- return isIdentifier();
- case 15 /* ArrayLiteralMembers */:
- switch (token()) {
- case 27 /* CommaToken */:
- case 24 /* DotToken */: // Not an array literal member, but don't want to close the array (see `tests/cases/fourslash/completionsDotInArrayLiteralInObjectLiteral.ts`)
- return true;
- }
- // falls through
- case 11 /* ArgumentExpressions */:
- return token() === 25 /* DotDotDotToken */ || isStartOfExpression();
- case 16 /* Parameters */:
- return isStartOfParameter(/*isJSDocParameter*/ false);
- case 17 /* JSDocParameters */:
- return isStartOfParameter(/*isJSDocParameter*/ true);
- case 20 /* TypeArguments */:
- case 21 /* TupleElementTypes */:
- return token() === 27 /* CommaToken */ || isStartOfType();
- case 22 /* HeritageClauses */:
- return isHeritageClause();
- case 23 /* ImportOrExportSpecifiers */:
- return ts.tokenIsIdentifierOrKeyword(token());
- case 13 /* JsxAttributes */:
- return ts.tokenIsIdentifierOrKeyword(token()) || token() === 18 /* OpenBraceToken */;
- case 14 /* JsxChildren */:
- return true;
- }
- return ts.Debug.fail("Non-exhaustive case in 'isListElement'.");
- }
- function isValidHeritageClauseObjectLiteral() {
- ts.Debug.assert(token() === 18 /* OpenBraceToken */);
- if (nextToken() === 19 /* CloseBraceToken */) {
- // if we see "extends {}" then only treat the {} as what we're extending (and not
- // the class body) if we have:
- //
- // extends {} {
- // extends {},
- // extends {} extends
- // extends {} implements
- var next = nextToken();
- return next === 27 /* CommaToken */ || next === 18 /* OpenBraceToken */ || next === 90 /* ExtendsKeyword */ || next === 113 /* ImplementsKeyword */;
- }
- return true;
- }
- function nextTokenIsIdentifier() {
- nextToken();
- return isIdentifier();
- }
- function nextTokenIsIdentifierOrKeyword() {
- nextToken();
- return ts.tokenIsIdentifierOrKeyword(token());
- }
- function nextTokenIsIdentifierOrKeywordOrGreaterThan() {
- nextToken();
- return ts.tokenIsIdentifierOrKeywordOrGreaterThan(token());
- }
- function isHeritageClauseExtendsOrImplementsKeyword() {
- if (token() === 113 /* ImplementsKeyword */ ||
- token() === 90 /* ExtendsKeyword */) {
- return lookAhead(nextTokenIsStartOfExpression);
- }
- return false;
- }
- function nextTokenIsStartOfExpression() {
- nextToken();
- return isStartOfExpression();
- }
- function nextTokenIsStartOfType() {
- nextToken();
- return isStartOfType();
- }
- // True if positioned at a list terminator
- function isListTerminator(kind) {
- if (token() === 1 /* EndOfFileToken */) {
- // Being at the end of the file ends all lists.
- return true;
- }
- switch (kind) {
- case 1 /* BlockStatements */:
- case 2 /* SwitchClauses */:
- case 4 /* TypeMembers */:
- case 5 /* ClassMembers */:
- case 6 /* EnumMembers */:
- case 12 /* ObjectLiteralMembers */:
- case 9 /* ObjectBindingElements */:
- case 23 /* ImportOrExportSpecifiers */:
- return token() === 19 /* CloseBraceToken */;
- case 3 /* SwitchClauseStatements */:
- return token() === 19 /* CloseBraceToken */ || token() === 78 /* CaseKeyword */ || token() === 84 /* DefaultKeyword */;
- case 7 /* HeritageClauseElement */:
- return token() === 18 /* OpenBraceToken */ || token() === 90 /* ExtendsKeyword */ || token() === 113 /* ImplementsKeyword */;
- case 8 /* VariableDeclarations */:
- return isVariableDeclaratorListTerminator();
- case 19 /* TypeParameters */:
- // Tokens other than '>' are here for better error recovery
- return token() === 31 /* GreaterThanToken */ || token() === 20 /* OpenParenToken */ || token() === 18 /* OpenBraceToken */ || token() === 90 /* ExtendsKeyword */ || token() === 113 /* ImplementsKeyword */;
- case 11 /* ArgumentExpressions */:
- // Tokens other than ')' are here for better error recovery
- return token() === 21 /* CloseParenToken */ || token() === 26 /* SemicolonToken */;
- case 15 /* ArrayLiteralMembers */:
- case 21 /* TupleElementTypes */:
- case 10 /* ArrayBindingElements */:
- return token() === 23 /* CloseBracketToken */;
- case 17 /* JSDocParameters */:
- case 16 /* Parameters */:
- case 18 /* RestProperties */:
- // Tokens other than ')' and ']' (the latter for index signatures) are here for better error recovery
- return token() === 21 /* CloseParenToken */ || token() === 23 /* CloseBracketToken */ /*|| token === SyntaxKind.OpenBraceToken*/;
- case 20 /* TypeArguments */:
- // All other tokens should cause the type-argument to terminate except comma token
- return token() !== 27 /* CommaToken */;
- case 22 /* HeritageClauses */:
- return token() === 18 /* OpenBraceToken */ || token() === 19 /* CloseBraceToken */;
- case 13 /* JsxAttributes */:
- return token() === 31 /* GreaterThanToken */ || token() === 43 /* SlashToken */;
- case 14 /* JsxChildren */:
- return token() === 29 /* LessThanToken */ && lookAhead(nextTokenIsSlash);
- default:
- return false;
- }
- }
- function isVariableDeclaratorListTerminator() {
- // If we can consume a semicolon (either explicitly, or with ASI), then consider us done
- // with parsing the list of variable declarators.
- if (canParseSemicolon()) {
- return true;
- }
- // in the case where we're parsing the variable declarator of a 'for-in' statement, we
- // are done if we see an 'in' keyword in front of us. Same with for-of
- if (isInOrOfKeyword(token())) {
- return true;
- }
- // ERROR RECOVERY TWEAK:
- // For better error recovery, if we see an '=>' then we just stop immediately. We've got an
- // arrow function here and it's going to be very unlikely that we'll resynchronize and get
- // another variable declaration.
- if (token() === 38 /* EqualsGreaterThanToken */) {
- return true;
- }
- // Keep trying to parse out variable declarators.
- return false;
- }
- // True if positioned at element or terminator of the current list or any enclosing list
- function isInSomeParsingContext() {
- for (var kind = 0; kind < 24 /* Count */; kind++) {
- if (parsingContext & (1 << kind)) {
- if (isListElement(kind, /*inErrorRecovery*/ true) || isListTerminator(kind)) {
- return true;
- }
- }
- }
- return false;
- }
- // Parses a list of elements
- function parseList(kind, parseElement) {
- var saveParsingContext = parsingContext;
- parsingContext |= 1 << kind;
- var list = [];
- var listPos = getNodePos();
- while (!isListTerminator(kind)) {
- if (isListElement(kind, /*inErrorRecovery*/ false)) {
- var element = parseListElement(kind, parseElement);
- list.push(element);
- continue;
- }
- if (abortParsingListOrMoveToNextToken(kind)) {
- break;
- }
- }
- parsingContext = saveParsingContext;
- return createNodeArray(list, listPos);
- }
- function parseListElement(parsingContext, parseElement) {
- var node = currentNode(parsingContext);
- if (node) {
- return consumeNode(node);
- }
- return parseElement();
- }
- function currentNode(parsingContext) {
- // If we don't have a cursor or the parsing context isn't reusable, there's nothing to reuse.
- //
- // If there is an outstanding parse error that we've encountered, but not attached to
- // some node, then we cannot get a node from the old source tree. This is because we
- // want to mark the next node we encounter as being unusable.
- //
- // Note: This may be too conservative. Perhaps we could reuse the node and set the bit
- // on it (or its leftmost child) as having the error. For now though, being conservative
- // is nice and likely won't ever affect perf.
- if (!syntaxCursor || !isReusableParsingContext(parsingContext) || parseErrorBeforeNextFinishedNode) {
- return undefined;
- }
- var node = syntaxCursor.currentNode(scanner.getStartPos());
- // Can't reuse a missing node.
- // Can't reuse a node that intersected the change range.
- // Can't reuse a node that contains a parse error. This is necessary so that we
- // produce the same set of errors again.
- if (ts.nodeIsMissing(node) || node.intersectsChange || ts.containsParseError(node)) {
- return undefined;
- }
- // We can only reuse a node if it was parsed under the same strict mode that we're
- // currently in. i.e. if we originally parsed a node in non-strict mode, but then
- // the user added 'using strict' at the top of the file, then we can't use that node
- // again as the presence of strict mode may cause us to parse the tokens in the file
- // differently.
- //
- // Note: we *can* reuse tokens when the strict mode changes. That's because tokens
- // are unaffected by strict mode. It's just the parser will decide what to do with it
- // differently depending on what mode it is in.
- //
- // This also applies to all our other context flags as well.
- var nodeContextFlags = node.flags & 25358336 /* ContextFlags */;
- if (nodeContextFlags !== contextFlags) {
- return undefined;
- }
- // Ok, we have a node that looks like it could be reused. Now verify that it is valid
- // in the current list parsing context that we're currently at.
- if (!canReuseNode(node, parsingContext)) {
- return undefined;
- }
- if (node.jsDocCache) {
- // jsDocCache may include tags from parent nodes, which might have been modified.
- node.jsDocCache = undefined;
- }
- return node;
- }
- function consumeNode(node) {
- // Move the scanner so it is after the node we just consumed.
- scanner.setTextPos(node.end);
- nextToken();
- return node;
- }
- function isReusableParsingContext(parsingContext) {
- switch (parsingContext) {
- case 5 /* ClassMembers */:
- case 2 /* SwitchClauses */:
- case 0 /* SourceElements */:
- case 1 /* BlockStatements */:
- case 3 /* SwitchClauseStatements */:
- case 6 /* EnumMembers */:
- case 4 /* TypeMembers */:
- case 8 /* VariableDeclarations */:
- case 17 /* JSDocParameters */:
- case 16 /* Parameters */:
- return true;
- }
- return false;
- }
- function canReuseNode(node, parsingContext) {
- switch (parsingContext) {
- case 5 /* ClassMembers */:
- return isReusableClassMember(node);
- case 2 /* SwitchClauses */:
- return isReusableSwitchClause(node);
- case 0 /* SourceElements */:
- case 1 /* BlockStatements */:
- case 3 /* SwitchClauseStatements */:
- return isReusableStatement(node);
- case 6 /* EnumMembers */:
- return isReusableEnumMember(node);
- case 4 /* TypeMembers */:
- return isReusableTypeMember(node);
- case 8 /* VariableDeclarations */:
- return isReusableVariableDeclaration(node);
- case 17 /* JSDocParameters */:
- case 16 /* Parameters */:
- return isReusableParameter(node);
- // Any other lists we do not care about reusing nodes in. But feel free to add if
- // you can do so safely. Danger areas involve nodes that may involve speculative
- // parsing. If speculative parsing is involved with the node, then the range the
- // parser reached while looking ahead might be in the edited range (see the example
- // in canReuseVariableDeclaratorNode for a good case of this).
- // case ParsingContext.HeritageClauses:
- // This would probably be safe to reuse. There is no speculative parsing with
- // heritage clauses.
- // case ParsingContext.TypeParameters:
- // This would probably be safe to reuse. There is no speculative parsing with
- // type parameters. Note that that's because type *parameters* only occur in
- // unambiguous *type* contexts. While type *arguments* occur in very ambiguous
- // *expression* contexts.
- // case ParsingContext.TupleElementTypes:
- // This would probably be safe to reuse. There is no speculative parsing with
- // tuple types.
- // Technically, type argument list types are probably safe to reuse. While
- // speculative parsing is involved with them (since type argument lists are only
- // produced from speculative parsing a < as a type argument list), we only have
- // the types because speculative parsing succeeded. Thus, the lookahead never
- // went past the end of the list and rewound.
- // case ParsingContext.TypeArguments:
- // Note: these are almost certainly not safe to ever reuse. Expressions commonly
- // need a large amount of lookahead, and we should not reuse them as they may
- // have actually intersected the edit.
- // case ParsingContext.ArgumentExpressions:
- // This is not safe to reuse for the same reason as the 'AssignmentExpression'
- // cases. i.e. a property assignment may end with an expression, and thus might
- // have lookahead far beyond it's old node.
- // case ParsingContext.ObjectLiteralMembers:
- // This is probably not safe to reuse. There can be speculative parsing with
- // type names in a heritage clause. There can be generic names in the type
- // name list, and there can be left hand side expressions (which can have type
- // arguments.)
- // case ParsingContext.HeritageClauseElement:
- // Perhaps safe to reuse, but it's unlikely we'd see more than a dozen attributes
- // on any given element. Same for children.
- // case ParsingContext.JsxAttributes:
- // case ParsingContext.JsxChildren:
- }
- return false;
- }
- function isReusableClassMember(node) {
- if (node) {
- switch (node.kind) {
- case 162 /* Constructor */:
- case 167 /* IndexSignature */:
- case 163 /* GetAccessor */:
- case 164 /* SetAccessor */:
- case 159 /* PropertyDeclaration */:
- case 222 /* SemicolonClassElement */:
- return true;
- case 161 /* MethodDeclaration */:
- // Method declarations are not necessarily reusable. An object-literal
- // may have a method calls "constructor(...)" and we must reparse that
- // into an actual .ConstructorDeclaration.
- var methodDeclaration = node;
- var nameIsConstructor = methodDeclaration.name.kind === 75 /* Identifier */ &&
- methodDeclaration.name.originalKeywordKind === 129 /* ConstructorKeyword */;
- return !nameIsConstructor;
- }
- }
- return false;
- }
- function isReusableSwitchClause(node) {
- if (node) {
- switch (node.kind) {
- case 277 /* CaseClause */:
- case 278 /* DefaultClause */:
- return true;
- }
- }
- return false;
- }
- function isReusableStatement(node) {
- if (node) {
- switch (node.kind) {
- case 244 /* FunctionDeclaration */:
- case 225 /* VariableStatement */:
- case 223 /* Block */:
- case 227 /* IfStatement */:
- case 226 /* ExpressionStatement */:
- case 239 /* ThrowStatement */:
- case 235 /* ReturnStatement */:
- case 237 /* SwitchStatement */:
- case 234 /* BreakStatement */:
- case 233 /* ContinueStatement */:
- case 231 /* ForInStatement */:
- case 232 /* ForOfStatement */:
- case 230 /* ForStatement */:
- case 229 /* WhileStatement */:
- case 236 /* WithStatement */:
- case 224 /* EmptyStatement */:
- case 240 /* TryStatement */:
- case 238 /* LabeledStatement */:
- case 228 /* DoStatement */:
- case 241 /* DebuggerStatement */:
- case 254 /* ImportDeclaration */:
- case 253 /* ImportEqualsDeclaration */:
- case 260 /* ExportDeclaration */:
- case 259 /* ExportAssignment */:
- case 249 /* ModuleDeclaration */:
- case 245 /* ClassDeclaration */:
- case 246 /* InterfaceDeclaration */:
- case 248 /* EnumDeclaration */:
- case 247 /* TypeAliasDeclaration */:
- return true;
- }
- }
- return false;
- }
- function isReusableEnumMember(node) {
- return node.kind === 284 /* EnumMember */;
- }
- function isReusableTypeMember(node) {
- if (node) {
- switch (node.kind) {
- case 166 /* ConstructSignature */:
- case 160 /* MethodSignature */:
- case 167 /* IndexSignature */:
- case 158 /* PropertySignature */:
- case 165 /* CallSignature */:
- return true;
- }
- }
- return false;
- }
- function isReusableVariableDeclaration(node) {
- if (node.kind !== 242 /* VariableDeclaration */) {
- return false;
- }
- // Very subtle incremental parsing bug. Consider the following code:
- //
- // let v = new List < A, B
- //
- // This is actually legal code. It's a list of variable declarators "v = new List<A"
- // on one side and "B" on the other. If you then change that to:
- //
- // let v = new List < A, B >()
- //
- // then we have a problem. "v = new List<A" doesn't intersect the change range, so we
- // start reparsing at "B" and we completely fail to handle this properly.
- //
- // In order to prevent this, we do not allow a variable declarator to be reused if it
- // has an initializer.
- var variableDeclarator = node;
- return variableDeclarator.initializer === undefined;
- }
- function isReusableParameter(node) {
- if (node.kind !== 156 /* Parameter */) {
- return false;
- }
- // See the comment in isReusableVariableDeclaration for why we do this.
- var parameter = node;
- return parameter.initializer === undefined;
- }
- // Returns true if we should abort parsing.
- function abortParsingListOrMoveToNextToken(kind) {
- parseErrorAtCurrentToken(parsingContextErrors(kind));
- if (isInSomeParsingContext()) {
- return true;
- }
- nextToken();
- return false;
- }
- function parsingContextErrors(context) {
- switch (context) {
- case 0 /* SourceElements */: return ts.Diagnostics.Declaration_or_statement_expected;
- case 1 /* BlockStatements */: return ts.Diagnostics.Declaration_or_statement_expected;
- case 2 /* SwitchClauses */: return ts.Diagnostics.case_or_default_expected;
- case 3 /* SwitchClauseStatements */: return ts.Diagnostics.Statement_expected;
- case 18 /* RestProperties */: // fallthrough
- case 4 /* TypeMembers */: return ts.Diagnostics.Property_or_signature_expected;
- case 5 /* ClassMembers */: return ts.Diagnostics.Unexpected_token_A_constructor_method_accessor_or_property_was_expected;
- case 6 /* EnumMembers */: return ts.Diagnostics.Enum_member_expected;
- case 7 /* HeritageClauseElement */: return ts.Diagnostics.Expression_expected;
- case 8 /* VariableDeclarations */: return ts.Diagnostics.Variable_declaration_expected;
- case 9 /* ObjectBindingElements */: return ts.Diagnostics.Property_destructuring_pattern_expected;
- case 10 /* ArrayBindingElements */: return ts.Diagnostics.Array_element_destructuring_pattern_expected;
- case 11 /* ArgumentExpressions */: return ts.Diagnostics.Argument_expression_expected;
- case 12 /* ObjectLiteralMembers */: return ts.Diagnostics.Property_assignment_expected;
- case 15 /* ArrayLiteralMembers */: return ts.Diagnostics.Expression_or_comma_expected;
- case 17 /* JSDocParameters */: return ts.Diagnostics.Parameter_declaration_expected;
- case 16 /* Parameters */: return ts.Diagnostics.Parameter_declaration_expected;
- case 19 /* TypeParameters */: return ts.Diagnostics.Type_parameter_declaration_expected;
- case 20 /* TypeArguments */: return ts.Diagnostics.Type_argument_expected;
- case 21 /* TupleElementTypes */: return ts.Diagnostics.Type_expected;
- case 22 /* HeritageClauses */: return ts.Diagnostics.Unexpected_token_expected;
- case 23 /* ImportOrExportSpecifiers */: return ts.Diagnostics.Identifier_expected;
- case 13 /* JsxAttributes */: return ts.Diagnostics.Identifier_expected;
- case 14 /* JsxChildren */: return ts.Diagnostics.Identifier_expected;
- default: return undefined; // TODO: GH#18217 `default: Debug.assertNever(context);`
- }
- }
- // Parses a comma-delimited list of elements
- function parseDelimitedList(kind, parseElement, considerSemicolonAsDelimiter) {
- var saveParsingContext = parsingContext;
- parsingContext |= 1 << kind;
- var list = [];
- var listPos = getNodePos();
- var commaStart = -1; // Meaning the previous token was not a comma
- while (true) {
- if (isListElement(kind, /*inErrorRecovery*/ false)) {
- var startPos = scanner.getStartPos();
- list.push(parseListElement(kind, parseElement));
- commaStart = scanner.getTokenPos();
- if (parseOptional(27 /* CommaToken */)) {
- // No need to check for a zero length node since we know we parsed a comma
- continue;
- }
- commaStart = -1; // Back to the state where the last token was not a comma
- if (isListTerminator(kind)) {
- break;
- }
- // We didn't get a comma, and the list wasn't terminated, explicitly parse
- // out a comma so we give a good error message.
- parseExpected(27 /* CommaToken */, getExpectedCommaDiagnostic(kind));
- // If the token was a semicolon, and the caller allows that, then skip it and
- // continue. This ensures we get back on track and don't result in tons of
- // parse errors. For example, this can happen when people do things like use
- // a semicolon to delimit object literal members. Note: we'll have already
- // reported an error when we called parseExpected above.
- if (considerSemicolonAsDelimiter && token() === 26 /* SemicolonToken */ && !scanner.hasPrecedingLineBreak()) {
- nextToken();
- }
- if (startPos === scanner.getStartPos()) {
- // What we're parsing isn't actually remotely recognizable as a element and we've consumed no tokens whatsoever
- // Consume a token to advance the parser in some way and avoid an infinite loop
- // This can happen when we're speculatively parsing parenthesized expressions which we think may be arrow functions,
- // or when a modifier keyword which is disallowed as a parameter name (ie, `static` in strict mode) is supplied
- nextToken();
- }
- continue;
- }
- if (isListTerminator(kind)) {
- break;
- }
- if (abortParsingListOrMoveToNextToken(kind)) {
- break;
- }
- }
- parsingContext = saveParsingContext;
- var result = createNodeArray(list, listPos);
- // Recording the trailing comma is deliberately done after the previous
- // loop, and not just if we see a list terminator. This is because the list
- // may have ended incorrectly, but it is still important to know if there
- // was a trailing comma.
- // Check if the last token was a comma.
- if (commaStart >= 0) {
- // Always preserve a trailing comma by marking it on the NodeArray
- result.hasTrailingComma = true;
- }
- return result;
- }
- function getExpectedCommaDiagnostic(kind) {
- return kind === 6 /* EnumMembers */ ? ts.Diagnostics.An_enum_member_name_must_be_followed_by_a_or : undefined;
- }
- function createMissingList() {
- var list = createNodeArray([], getNodePos());
- list.isMissingList = true;
- return list;
- }
- function isMissingList(arr) {
- return !!arr.isMissingList;
- }
- function parseBracketedList(kind, parseElement, open, close) {
- if (parseExpected(open)) {
- var result = parseDelimitedList(kind, parseElement);
- parseExpected(close);
- return result;
- }
- return createMissingList();
- }
- function parseEntityName(allowReservedWords, diagnosticMessage) {
- var entity = allowReservedWords ? parseIdentifierName(diagnosticMessage) : parseIdentifier(diagnosticMessage);
- var dotPos = scanner.getStartPos();
- while (parseOptional(24 /* DotToken */)) {
- if (token() === 29 /* LessThanToken */) {
- // the entity is part of a JSDoc-style generic, so record the trailing dot for later error reporting
- entity.jsdocDotPos = dotPos;
- break;
- }
- dotPos = scanner.getStartPos();
- entity = createQualifiedName(entity, parseRightSideOfDot(allowReservedWords, /* allowPrivateIdentifiers */ false));
- }
- return entity;
- }
- function createQualifiedName(entity, name) {
- var node = createNode(153 /* QualifiedName */, entity.pos);
- node.left = entity;
- node.right = name;
- return finishNode(node);
- }
- function parseRightSideOfDot(allowIdentifierNames, allowPrivateIdentifiers) {
- // Technically a keyword is valid here as all identifiers and keywords are identifier names.
- // However, often we'll encounter this in error situations when the identifier or keyword
- // is actually starting another valid construct.
- //
- // So, we check for the following specific case:
- //
- // name.
- // identifierOrKeyword identifierNameOrKeyword
- //
- // Note: the newlines are important here. For example, if that above code
- // were rewritten into:
- //
- // name.identifierOrKeyword
- // identifierNameOrKeyword
- //
- // Then we would consider it valid. That's because ASI would take effect and
- // the code would be implicitly: "name.identifierOrKeyword; identifierNameOrKeyword".
- // In the first case though, ASI will not take effect because there is not a
- // line terminator after the identifier or keyword.
- if (scanner.hasPrecedingLineBreak() && ts.tokenIsIdentifierOrKeyword(token())) {
- var matchesPattern = lookAhead(nextTokenIsIdentifierOrKeywordOnSameLine);
- if (matchesPattern) {
- // Report that we need an identifier. However, report it right after the dot,
- // and not on the next token. This is because the next token might actually
- // be an identifier and the error would be quite confusing.
- return createMissingNode(75 /* Identifier */, /*reportAtCurrentPosition*/ true, ts.Diagnostics.Identifier_expected);
- }
- }
- if (token() === 76 /* PrivateIdentifier */) {
- var node = parsePrivateIdentifier();
- return allowPrivateIdentifiers ? node : createMissingNode(75 /* Identifier */, /*reportAtCurrentPosition*/ true, ts.Diagnostics.Identifier_expected);
- }
- return allowIdentifierNames ? parseIdentifierName() : parseIdentifier();
- }
- function parseTemplateExpression(isTaggedTemplate) {
- var template = createNode(211 /* TemplateExpression */);
- template.head = parseTemplateHead(isTaggedTemplate);
- ts.Debug.assert(template.head.kind === 15 /* TemplateHead */, "Template head has wrong token kind");
- var list = [];
- var listPos = getNodePos();
- do {
- list.push(parseTemplateSpan(isTaggedTemplate));
- } while (ts.last(list).literal.kind === 16 /* TemplateMiddle */);
- template.templateSpans = createNodeArray(list, listPos);
- return finishNode(template);
- }
- function parseTemplateSpan(isTaggedTemplate) {
- var span = createNode(221 /* TemplateSpan */);
- span.expression = allowInAnd(parseExpression);
- var literal;
- if (token() === 19 /* CloseBraceToken */) {
- reScanTemplateToken(isTaggedTemplate);
- literal = parseTemplateMiddleOrTemplateTail();
- }
- else {
- literal = parseExpectedToken(17 /* TemplateTail */, ts.Diagnostics._0_expected, ts.tokenToString(19 /* CloseBraceToken */));
- }
- span.literal = literal;
- return finishNode(span);
- }
- function parseLiteralNode() {
- return parseLiteralLikeNode(token());
- }
- function parseTemplateHead(isTaggedTemplate) {
- if (isTaggedTemplate) {
- reScanTemplateHeadOrNoSubstitutionTemplate();
- }
- var fragment = parseLiteralLikeNode(token());
- ts.Debug.assert(fragment.kind === 15 /* TemplateHead */, "Template head has wrong token kind");
- return fragment;
- }
- function parseTemplateMiddleOrTemplateTail() {
- var fragment = parseLiteralLikeNode(token());
- ts.Debug.assert(fragment.kind === 16 /* TemplateMiddle */ || fragment.kind === 17 /* TemplateTail */, "Template fragment has wrong token kind");
- return fragment;
- }
- function parseLiteralLikeNode(kind) {
- var node = createNode(kind);
- node.text = scanner.getTokenValue();
- switch (kind) {
- case 14 /* NoSubstitutionTemplateLiteral */:
- case 15 /* TemplateHead */:
- case 16 /* TemplateMiddle */:
- case 17 /* TemplateTail */:
- var isLast = kind === 14 /* NoSubstitutionTemplateLiteral */ || kind === 17 /* TemplateTail */;
- var tokenText = scanner.getTokenText();
- node.rawText = tokenText.substring(1, tokenText.length - (scanner.isUnterminated() ? 0 : isLast ? 1 : 2));
- break;
- }
- if (scanner.hasExtendedUnicodeEscape()) {
- node.hasExtendedUnicodeEscape = true;
- }
- if (scanner.isUnterminated()) {
- node.isUnterminated = true;
- }
- // Octal literals are not allowed in strict mode or ES5
- // Note that theoretically the following condition would hold true literals like 009,
- // which is not octal.But because of how the scanner separates the tokens, we would
- // never get a token like this. Instead, we would get 00 and 9 as two separate tokens.
- // We also do not need to check for negatives because any prefix operator would be part of a
- // parent unary expression.
- if (node.kind === 8 /* NumericLiteral */) {
- node.numericLiteralFlags = scanner.getTokenFlags() & 1008 /* NumericLiteralFlags */;
- }
- if (ts.isTemplateLiteralKind(node.kind)) {
- node.templateFlags = scanner.getTokenFlags() & 2048 /* ContainsInvalidEscape */;
- }
- nextToken();
- finishNode(node);
- return node;
- }
- // TYPES
- function parseTypeReference() {
- var node = createNode(169 /* TypeReference */);
- node.typeName = parseEntityName(/*allowReservedWords*/ true, ts.Diagnostics.Type_expected);
- if (!scanner.hasPrecedingLineBreak() && reScanLessThanToken() === 29 /* LessThanToken */) {
- node.typeArguments = parseBracketedList(20 /* TypeArguments */, parseType, 29 /* LessThanToken */, 31 /* GreaterThanToken */);
- }
- return finishNode(node);
- }
- // If true, we should abort parsing an error function.
- function typeHasArrowFunctionBlockingParseError(node) {
- switch (node.kind) {
- case 169 /* TypeReference */:
- return ts.nodeIsMissing(node.typeName);
- case 170 /* FunctionType */:
- case 171 /* ConstructorType */: {
- var _a = node, parameters = _a.parameters, type = _a.type;
- return isMissingList(parameters) || typeHasArrowFunctionBlockingParseError(type);
- }
- case 182 /* ParenthesizedType */:
- return typeHasArrowFunctionBlockingParseError(node.type);
- default:
- return false;
- }
- }
- function parseThisTypePredicate(lhs) {
- nextToken();
- var node = createNode(168 /* TypePredicate */, lhs.pos);
- node.parameterName = lhs;
- node.type = parseType();
- return finishNode(node);
- }
- function parseThisTypeNode() {
- var node = createNode(183 /* ThisType */);
- nextToken();
- return finishNode(node);
- }
- function parseJSDocAllType(postFixEquals) {
- var result = createNode(295 /* JSDocAllType */);
- if (postFixEquals) {
- return createPostfixType(299 /* JSDocOptionalType */, result);
- }
- else {
- nextToken();
- }
- return finishNode(result);
- }
- function parseJSDocNonNullableType() {
- var result = createNode(298 /* JSDocNonNullableType */);
- nextToken();
- result.type = parseNonArrayType();
- return finishNode(result);
- }
- function parseJSDocUnknownOrNullableType() {
- var pos = scanner.getStartPos();
- // skip the ?
- nextToken();
- // Need to lookahead to decide if this is a nullable or unknown type.
- // Here are cases where we'll pick the unknown type:
- //
- // Foo(?,
- // { a: ? }
- // Foo(?)
- // Foo<?>
- // Foo(?=
- // (?|
- if (token() === 27 /* CommaToken */ ||
- token() === 19 /* CloseBraceToken */ ||
- token() === 21 /* CloseParenToken */ ||
- token() === 31 /* GreaterThanToken */ ||
- token() === 62 /* EqualsToken */ ||
- token() === 51 /* BarToken */) {
- var result = createNode(296 /* JSDocUnknownType */, pos);
- return finishNode(result);
- }
- else {
- var result = createNode(297 /* JSDocNullableType */, pos);
- result.type = parseType();
- return finishNode(result);
- }
- }
- function parseJSDocFunctionType() {
- if (lookAhead(nextTokenIsOpenParen)) {
- var result = createNodeWithJSDoc(300 /* JSDocFunctionType */);
- nextToken();
- fillSignature(58 /* ColonToken */, 4 /* Type */ | 32 /* JSDoc */, result);
- return finishNode(result);
- }
- var node = createNode(169 /* TypeReference */);
- node.typeName = parseIdentifierName();
- return finishNode(node);
- }
- function parseJSDocParameter() {
- var parameter = createNode(156 /* Parameter */);
- if (token() === 104 /* ThisKeyword */ || token() === 99 /* NewKeyword */) {
- parameter.name = parseIdentifierName();
- parseExpected(58 /* ColonToken */);
- }
- parameter.type = parseJSDocType();
- return finishNode(parameter);
- }
- function parseJSDocType() {
- scanner.setInJSDocType(true);
- var moduleSpecifier = parseOptionalToken(135 /* ModuleKeyword */);
- if (moduleSpecifier) {
- var moduleTag = createNode(302 /* JSDocNamepathType */, moduleSpecifier.pos);
- terminate: while (true) {
- switch (token()) {
- case 19 /* CloseBraceToken */:
- case 1 /* EndOfFileToken */:
- case 27 /* CommaToken */:
- case 5 /* WhitespaceTrivia */:
- break terminate;
- default:
- nextTokenJSDoc();
- }
- }
- scanner.setInJSDocType(false);
- return finishNode(moduleTag);
- }
- var dotdotdot = parseOptionalToken(25 /* DotDotDotToken */);
- var type = parseTypeOrTypePredicate();
- scanner.setInJSDocType(false);
- if (dotdotdot) {
- var variadic = createNode(301 /* JSDocVariadicType */, dotdotdot.pos);
- variadic.type = type;
- type = finishNode(variadic);
- }
- if (token() === 62 /* EqualsToken */) {
- return createPostfixType(299 /* JSDocOptionalType */, type);
- }
- return type;
- }
- function parseTypeQuery() {
- var node = createNode(172 /* TypeQuery */);
- parseExpected(108 /* TypeOfKeyword */);
- node.exprName = parseEntityName(/*allowReservedWords*/ true);
- return finishNode(node);
- }
- function parseTypeParameter() {
- var node = createNode(155 /* TypeParameter */);
- node.name = parseIdentifier();
- if (parseOptional(90 /* ExtendsKeyword */)) {
- // It's not uncommon for people to write improper constraints to a generic. If the
- // user writes a constraint that is an expression and not an actual type, then parse
- // it out as an expression (so we can recover well), but report that a type is needed
- // instead.
- if (isStartOfType() || !isStartOfExpression()) {
- node.constraint = parseType();
- }
- else {
- // It was not a type, and it looked like an expression. Parse out an expression
- // here so we recover well. Note: it is important that we call parseUnaryExpression
- // and not parseExpression here. If the user has:
- //
- // <T extends "">
- //
- // We do *not* want to consume the `>` as we're consuming the expression for "".
- node.expression = parseUnaryExpressionOrHigher();
- }
- }
- if (parseOptional(62 /* EqualsToken */)) {
- node.default = parseType();
- }
- return finishNode(node);
- }
- function parseTypeParameters() {
- if (token() === 29 /* LessThanToken */) {
- return parseBracketedList(19 /* TypeParameters */, parseTypeParameter, 29 /* LessThanToken */, 31 /* GreaterThanToken */);
- }
- }
- function parseParameterType() {
- if (parseOptional(58 /* ColonToken */)) {
- return parseType();
- }
- return undefined;
- }
- function isStartOfParameter(isJSDocParameter) {
- return token() === 25 /* DotDotDotToken */ ||
- isIdentifierOrPrivateIdentifierOrPattern() ||
- ts.isModifierKind(token()) ||
- token() === 59 /* AtToken */ ||
- isStartOfType(/*inStartOfParameter*/ !isJSDocParameter);
- }
- function parseParameter() {
- var node = createNodeWithJSDoc(156 /* Parameter */);
- if (token() === 104 /* ThisKeyword */) {
- node.name = createIdentifier(/*isIdentifier*/ true);
- node.type = parseParameterType();
- return finishNode(node);
- }
- node.decorators = parseDecorators();
- node.modifiers = parseModifiers();
- node.dotDotDotToken = parseOptionalToken(25 /* DotDotDotToken */);
- // FormalParameter [Yield,Await]:
- // BindingElement[?Yield,?Await]
- node.name = parseIdentifierOrPattern(ts.Diagnostics.Private_identifiers_cannot_be_used_as_parameters);
- if (ts.getFullWidth(node.name) === 0 && !node.modifiers && ts.isModifierKind(token())) {
- // in cases like
- // 'use strict'
- // function foo(static)
- // isParameter('static') === true, because of isModifier('static')
- // however 'static' is not a legal identifier in a strict mode.
- // so result of this function will be ParameterDeclaration (flags = 0, name = missing, type = undefined, initializer = undefined)
- // and current token will not change => parsing of the enclosing parameter list will last till the end of time (or OOM)
- // to avoid this we'll advance cursor to the next token.
- nextToken();
- }
- node.questionToken = parseOptionalToken(57 /* QuestionToken */);
- node.type = parseParameterType();
- node.initializer = parseInitializer();
- return finishNode(node);
- }
- /**
- * Note: If returnToken is EqualsGreaterThanToken, `signature.type` will always be defined.
- * @returns If return type parsing succeeds
- */
- function fillSignature(returnToken, flags, signature) {
- if (!(flags & 32 /* JSDoc */)) {
- signature.typeParameters = parseTypeParameters();
- }
- var parametersParsedSuccessfully = parseParameterList(signature, flags);
- if (shouldParseReturnType(returnToken, !!(flags & 4 /* Type */))) {
- signature.type = parseTypeOrTypePredicate();
- if (typeHasArrowFunctionBlockingParseError(signature.type))
- return false;
- }
- return parametersParsedSuccessfully;
- }
- function shouldParseReturnType(returnToken, isType) {
- if (returnToken === 38 /* EqualsGreaterThanToken */) {
- parseExpected(returnToken);
- return true;
- }
- else if (parseOptional(58 /* ColonToken */)) {
- return true;
- }
- else if (isType && token() === 38 /* EqualsGreaterThanToken */) {
- // This is easy to get backward, especially in type contexts, so parse the type anyway
- parseErrorAtCurrentToken(ts.Diagnostics._0_expected, ts.tokenToString(58 /* ColonToken */));
- nextToken();
- return true;
- }
- return false;
- }
- // Returns true on success.
- function parseParameterList(signature, flags) {
- // FormalParameters [Yield,Await]: (modified)
- // [empty]
- // FormalParameterList[?Yield,Await]
- //
- // FormalParameter[Yield,Await]: (modified)
- // BindingElement[?Yield,Await]
- //
- // BindingElement [Yield,Await]: (modified)
- // SingleNameBinding[?Yield,?Await]
- // BindingPattern[?Yield,?Await]Initializer [In, ?Yield,?Await] opt
- //
- // SingleNameBinding [Yield,Await]:
- // BindingIdentifier[?Yield,?Await]Initializer [In, ?Yield,?Await] opt
- if (!parseExpected(20 /* OpenParenToken */)) {
- signature.parameters = createMissingList();
- return false;
- }
- var savedYieldContext = inYieldContext();
- var savedAwaitContext = inAwaitContext();
- setYieldContext(!!(flags & 1 /* Yield */));
- setAwaitContext(!!(flags & 2 /* Await */));
- signature.parameters = flags & 32 /* JSDoc */ ?
- parseDelimitedList(17 /* JSDocParameters */, parseJSDocParameter) :
- parseDelimitedList(16 /* Parameters */, parseParameter);
- setYieldContext(savedYieldContext);
- setAwaitContext(savedAwaitContext);
- return parseExpected(21 /* CloseParenToken */);
- }
- function parseTypeMemberSemicolon() {
- // We allow type members to be separated by commas or (possibly ASI) semicolons.
- // First check if it was a comma. If so, we're done with the member.
- if (parseOptional(27 /* CommaToken */)) {
- return;
- }
- // Didn't have a comma. We must have a (possible ASI) semicolon.
- parseSemicolon();
- }
- function parseSignatureMember(kind) {
- var node = createNodeWithJSDoc(kind);
- if (kind === 166 /* ConstructSignature */) {
- parseExpected(99 /* NewKeyword */);
- }
- fillSignature(58 /* ColonToken */, 4 /* Type */, node);
- parseTypeMemberSemicolon();
- return finishNode(node);
- }
- function isIndexSignature() {
- return token() === 22 /* OpenBracketToken */ && lookAhead(isUnambiguouslyIndexSignature);
- }
- function isUnambiguouslyIndexSignature() {
- // The only allowed sequence is:
- //
- // [id:
- //
- // However, for error recovery, we also check the following cases:
- //
- // [...
- // [id,
- // [id?,
- // [id?:
- // [id?]
- // [public id
- // [private id
- // [protected id
- // []
- //
- nextToken();
- if (token() === 25 /* DotDotDotToken */ || token() === 23 /* CloseBracketToken */) {
- return true;
- }
- if (ts.isModifierKind(token())) {
- nextToken();
- if (isIdentifier()) {
- return true;
- }
- }
- else if (!isIdentifier()) {
- return false;
- }
- else {
- // Skip the identifier
- nextToken();
- }
- // A colon signifies a well formed indexer
- // A comma should be a badly formed indexer because comma expressions are not allowed
- // in computed properties.
- if (token() === 58 /* ColonToken */ || token() === 27 /* CommaToken */) {
- return true;
- }
- // Question mark could be an indexer with an optional property,
- // or it could be a conditional expression in a computed property.
- if (token() !== 57 /* QuestionToken */) {
- return false;
- }
- // If any of the following tokens are after the question mark, it cannot
- // be a conditional expression, so treat it as an indexer.
- nextToken();
- return token() === 58 /* ColonToken */ || token() === 27 /* CommaToken */ || token() === 23 /* CloseBracketToken */;
- }
- function parseIndexSignatureDeclaration(node) {
- node.kind = 167 /* IndexSignature */;
- node.parameters = parseBracketedList(16 /* Parameters */, parseParameter, 22 /* OpenBracketToken */, 23 /* CloseBracketToken */);
- node.type = parseTypeAnnotation();
- parseTypeMemberSemicolon();
- return finishNode(node);
- }
- function parsePropertyOrMethodSignature(node) {
- node.name = parsePropertyName();
- node.questionToken = parseOptionalToken(57 /* QuestionToken */);
- if (token() === 20 /* OpenParenToken */ || token() === 29 /* LessThanToken */) {
- node.kind = 160 /* MethodSignature */;
- // Method signatures don't exist in expression contexts. So they have neither
- // [Yield] nor [Await]
- fillSignature(58 /* ColonToken */, 4 /* Type */, node);
- }
- else {
- node.kind = 158 /* PropertySignature */;
- node.type = parseTypeAnnotation();
- if (token() === 62 /* EqualsToken */) {
- // Although type literal properties cannot not have initializers, we attempt
- // to parse an initializer so we can report in the checker that an interface
- // property or type literal property cannot have an initializer.
- node.initializer = parseInitializer();
- }
- }
- parseTypeMemberSemicolon();
- return finishNode(node);
- }
- function isTypeMemberStart() {
- // Return true if we have the start of a signature member
- if (token() === 20 /* OpenParenToken */ || token() === 29 /* LessThanToken */) {
- return true;
- }
- var idToken = false;
- // Eat up all modifiers, but hold on to the last one in case it is actually an identifier
- while (ts.isModifierKind(token())) {
- idToken = true;
- nextToken();
- }
- // Index signatures and computed property names are type members
- if (token() === 22 /* OpenBracketToken */) {
- return true;
- }
- // Try to get the first property-like token following all modifiers
- if (isLiteralPropertyName()) {
- idToken = true;
- nextToken();
- }
- // If we were able to get any potential identifier, check that it is
- // the start of a member declaration
- if (idToken) {
- return token() === 20 /* OpenParenToken */ ||
- token() === 29 /* LessThanToken */ ||
- token() === 57 /* QuestionToken */ ||
- token() === 58 /* ColonToken */ ||
- token() === 27 /* CommaToken */ ||
- canParseSemicolon();
- }
- return false;
- }
- function parseTypeMember() {
- if (token() === 20 /* OpenParenToken */ || token() === 29 /* LessThanToken */) {
- return parseSignatureMember(165 /* CallSignature */);
- }
- if (token() === 99 /* NewKeyword */ && lookAhead(nextTokenIsOpenParenOrLessThan)) {
- return parseSignatureMember(166 /* ConstructSignature */);
- }
- var node = createNodeWithJSDoc(0 /* Unknown */);
- node.modifiers = parseModifiers();
- if (isIndexSignature()) {
- return parseIndexSignatureDeclaration(node);
- }
- return parsePropertyOrMethodSignature(node);
- }
- function nextTokenIsOpenParenOrLessThan() {
- nextToken();
- return token() === 20 /* OpenParenToken */ || token() === 29 /* LessThanToken */;
- }
- function nextTokenIsDot() {
- return nextToken() === 24 /* DotToken */;
- }
- function nextTokenIsOpenParenOrLessThanOrDot() {
- switch (nextToken()) {
- case 20 /* OpenParenToken */:
- case 29 /* LessThanToken */:
- case 24 /* DotToken */:
- return true;
- }
- return false;
- }
- function parseTypeLiteral() {
- var node = createNode(173 /* TypeLiteral */);
- node.members = parseObjectTypeMembers();
- return finishNode(node);
- }
- function parseObjectTypeMembers() {
- var members;
- if (parseExpected(18 /* OpenBraceToken */)) {
- members = parseList(4 /* TypeMembers */, parseTypeMember);
- parseExpected(19 /* CloseBraceToken */);
- }
- else {
- members = createMissingList();
- }
- return members;
- }
- function isStartOfMappedType() {
- nextToken();
- if (token() === 39 /* PlusToken */ || token() === 40 /* MinusToken */) {
- return nextToken() === 138 /* ReadonlyKeyword */;
- }
- if (token() === 138 /* ReadonlyKeyword */) {
- nextToken();
- }
- return token() === 22 /* OpenBracketToken */ && nextTokenIsIdentifier() && nextToken() === 97 /* InKeyword */;
- }
- function parseMappedTypeParameter() {
- var node = createNode(155 /* TypeParameter */);
- node.name = parseIdentifier();
- parseExpected(97 /* InKeyword */);
- node.constraint = parseType();
- return finishNode(node);
- }
- function parseMappedType() {
- var node = createNode(186 /* MappedType */);
- parseExpected(18 /* OpenBraceToken */);
- if (token() === 138 /* ReadonlyKeyword */ || token() === 39 /* PlusToken */ || token() === 40 /* MinusToken */) {
- node.readonlyToken = parseTokenNode();
- if (node.readonlyToken.kind !== 138 /* ReadonlyKeyword */) {
- parseExpectedToken(138 /* ReadonlyKeyword */);
- }
- }
- parseExpected(22 /* OpenBracketToken */);
- node.typeParameter = parseMappedTypeParameter();
- parseExpected(23 /* CloseBracketToken */);
- if (token() === 57 /* QuestionToken */ || token() === 39 /* PlusToken */ || token() === 40 /* MinusToken */) {
- node.questionToken = parseTokenNode();
- if (node.questionToken.kind !== 57 /* QuestionToken */) {
- parseExpectedToken(57 /* QuestionToken */);
- }
- }
- node.type = parseTypeAnnotation();
- parseSemicolon();
- parseExpected(19 /* CloseBraceToken */);
- return finishNode(node);
- }
- function parseTupleElementType() {
- var pos = getNodePos();
- if (parseOptional(25 /* DotDotDotToken */)) {
- var node = createNode(177 /* RestType */, pos);
- node.type = parseType();
- return finishNode(node);
- }
- var type = parseType();
- if (!(contextFlags & 4194304 /* JSDoc */) && type.kind === 297 /* JSDocNullableType */ && type.pos === type.type.pos) {
- type.kind = 176 /* OptionalType */;
- }
- return type;
- }
- function parseTupleType() {
- var node = createNode(175 /* TupleType */);
- node.elementTypes = parseBracketedList(21 /* TupleElementTypes */, parseTupleElementType, 22 /* OpenBracketToken */, 23 /* CloseBracketToken */);
- return finishNode(node);
- }
- function parseParenthesizedType() {
- var node = createNode(182 /* ParenthesizedType */);
- parseExpected(20 /* OpenParenToken */);
- node.type = parseType();
- parseExpected(21 /* CloseParenToken */);
- return finishNode(node);
- }
- function parseFunctionOrConstructorType() {
- var pos = getNodePos();
- var kind = parseOptional(99 /* NewKeyword */) ? 171 /* ConstructorType */ : 170 /* FunctionType */;
- var node = createNodeWithJSDoc(kind, pos);
- fillSignature(38 /* EqualsGreaterThanToken */, 4 /* Type */, node);
- return finishNode(node);
- }
- function parseKeywordAndNoDot() {
- var node = parseTokenNode();
- return token() === 24 /* DotToken */ ? undefined : node;
- }
- function parseLiteralTypeNode(negative) {
- var node = createNode(187 /* LiteralType */);
- var unaryMinusExpression;
- if (negative) {
- unaryMinusExpression = createNode(207 /* PrefixUnaryExpression */);
- unaryMinusExpression.operator = 40 /* MinusToken */;
- nextToken();
- }
- var expression = token() === 106 /* TrueKeyword */ || token() === 91 /* FalseKeyword */
- ? parseTokenNode()
- : parseLiteralLikeNode(token());
- if (negative) {
- unaryMinusExpression.operand = expression;
- finishNode(unaryMinusExpression);
- expression = unaryMinusExpression;
- }
- node.literal = expression;
- return finishNode(node);
- }
- function isStartOfTypeOfImportType() {
- nextToken();
- return token() === 96 /* ImportKeyword */;
- }
- function parseImportType() {
- sourceFile.flags |= 1048576 /* PossiblyContainsDynamicImport */;
- var node = createNode(188 /* ImportType */);
- if (parseOptional(108 /* TypeOfKeyword */)) {
- node.isTypeOf = true;
- }
- parseExpected(96 /* ImportKeyword */);
- parseExpected(20 /* OpenParenToken */);
- node.argument = parseType();
- parseExpected(21 /* CloseParenToken */);
- if (parseOptional(24 /* DotToken */)) {
- node.qualifier = parseEntityName(/*allowReservedWords*/ true, ts.Diagnostics.Type_expected);
- }
- if (!scanner.hasPrecedingLineBreak() && reScanLessThanToken() === 29 /* LessThanToken */) {
- node.typeArguments = parseBracketedList(20 /* TypeArguments */, parseType, 29 /* LessThanToken */, 31 /* GreaterThanToken */);
- }
- return finishNode(node);
- }
- function nextTokenIsNumericOrBigIntLiteral() {
- nextToken();
- return token() === 8 /* NumericLiteral */ || token() === 9 /* BigIntLiteral */;
- }
- function parseNonArrayType() {
- switch (token()) {
- case 125 /* AnyKeyword */:
- case 148 /* UnknownKeyword */:
- case 143 /* StringKeyword */:
- case 140 /* NumberKeyword */:
- case 151 /* BigIntKeyword */:
- case 144 /* SymbolKeyword */:
- case 128 /* BooleanKeyword */:
- case 146 /* UndefinedKeyword */:
- case 137 /* NeverKeyword */:
- case 141 /* ObjectKeyword */:
- // If these are followed by a dot, then parse these out as a dotted type reference instead.
- return tryParse(parseKeywordAndNoDot) || parseTypeReference();
- case 41 /* AsteriskToken */:
- return parseJSDocAllType(/*postfixEquals*/ false);
- case 65 /* AsteriskEqualsToken */:
- return parseJSDocAllType(/*postfixEquals*/ true);
- case 60 /* QuestionQuestionToken */:
- // If there is '??', consider that is prefix '?' in JSDoc type.
- scanner.reScanQuestionToken();
- // falls through
- case 57 /* QuestionToken */:
- return parseJSDocUnknownOrNullableType();
- case 94 /* FunctionKeyword */:
- return parseJSDocFunctionType();
- case 53 /* ExclamationToken */:
- return parseJSDocNonNullableType();
- case 14 /* NoSubstitutionTemplateLiteral */:
- case 10 /* StringLiteral */:
- case 8 /* NumericLiteral */:
- case 9 /* BigIntLiteral */:
- case 106 /* TrueKeyword */:
- case 91 /* FalseKeyword */:
- return parseLiteralTypeNode();
- case 40 /* MinusToken */:
- return lookAhead(nextTokenIsNumericOrBigIntLiteral) ? parseLiteralTypeNode(/*negative*/ true) : parseTypeReference();
- case 110 /* VoidKeyword */:
- case 100 /* NullKeyword */:
- return parseTokenNode();
- case 104 /* ThisKeyword */: {
- var thisKeyword = parseThisTypeNode();
- if (token() === 133 /* IsKeyword */ && !scanner.hasPrecedingLineBreak()) {
- return parseThisTypePredicate(thisKeyword);
- }
- else {
- return thisKeyword;
- }
- }
- case 108 /* TypeOfKeyword */:
- return lookAhead(isStartOfTypeOfImportType) ? parseImportType() : parseTypeQuery();
- case 18 /* OpenBraceToken */:
- return lookAhead(isStartOfMappedType) ? parseMappedType() : parseTypeLiteral();
- case 22 /* OpenBracketToken */:
- return parseTupleType();
- case 20 /* OpenParenToken */:
- return parseParenthesizedType();
- case 96 /* ImportKeyword */:
- return parseImportType();
- case 124 /* AssertsKeyword */:
- return lookAhead(nextTokenIsIdentifierOrKeywordOnSameLine) ? parseAssertsTypePredicate() : parseTypeReference();
- default:
- return parseTypeReference();
- }
- }
- function isStartOfType(inStartOfParameter) {
- switch (token()) {
- case 125 /* AnyKeyword */:
- case 148 /* UnknownKeyword */:
- case 143 /* StringKeyword */:
- case 140 /* NumberKeyword */:
- case 151 /* BigIntKeyword */:
- case 128 /* BooleanKeyword */:
- case 138 /* ReadonlyKeyword */:
- case 144 /* SymbolKeyword */:
- case 147 /* UniqueKeyword */:
- case 110 /* VoidKeyword */:
- case 146 /* UndefinedKeyword */:
- case 100 /* NullKeyword */:
- case 104 /* ThisKeyword */:
- case 108 /* TypeOfKeyword */:
- case 137 /* NeverKeyword */:
- case 18 /* OpenBraceToken */:
- case 22 /* OpenBracketToken */:
- case 29 /* LessThanToken */:
- case 51 /* BarToken */:
- case 50 /* AmpersandToken */:
- case 99 /* NewKeyword */:
- case 10 /* StringLiteral */:
- case 8 /* NumericLiteral */:
- case 9 /* BigIntLiteral */:
- case 106 /* TrueKeyword */:
- case 91 /* FalseKeyword */:
- case 141 /* ObjectKeyword */:
- case 41 /* AsteriskToken */:
- case 57 /* QuestionToken */:
- case 53 /* ExclamationToken */:
- case 25 /* DotDotDotToken */:
- case 132 /* InferKeyword */:
- case 96 /* ImportKeyword */:
- case 124 /* AssertsKeyword */:
- return true;
- case 94 /* FunctionKeyword */:
- return !inStartOfParameter;
- case 40 /* MinusToken */:
- return !inStartOfParameter && lookAhead(nextTokenIsNumericOrBigIntLiteral);
- case 20 /* OpenParenToken */:
- // Only consider '(' the start of a type if followed by ')', '...', an identifier, a modifier,
- // or something that starts a type. We don't want to consider things like '(1)' a type.
- return !inStartOfParameter && lookAhead(isStartOfParenthesizedOrFunctionType);
- default:
- return isIdentifier();
- }
- }
- function isStartOfParenthesizedOrFunctionType() {
- nextToken();
- return token() === 21 /* CloseParenToken */ || isStartOfParameter(/*isJSDocParameter*/ false) || isStartOfType();
- }
- function parsePostfixTypeOrHigher() {
- var type = parseNonArrayType();
- while (!scanner.hasPrecedingLineBreak()) {
- switch (token()) {
- case 53 /* ExclamationToken */:
- type = createPostfixType(298 /* JSDocNonNullableType */, type);
- break;
- case 57 /* QuestionToken */:
- // If not in JSDoc and next token is start of a type we have a conditional type
- if (!(contextFlags & 4194304 /* JSDoc */) && lookAhead(nextTokenIsStartOfType)) {
- return type;
- }
- type = createPostfixType(297 /* JSDocNullableType */, type);
- break;
- case 22 /* OpenBracketToken */:
- parseExpected(22 /* OpenBracketToken */);
- if (isStartOfType()) {
- var node = createNode(185 /* IndexedAccessType */, type.pos);
- node.objectType = type;
- node.indexType = parseType();
- parseExpected(23 /* CloseBracketToken */);
- type = finishNode(node);
- }
- else {
- var node = createNode(174 /* ArrayType */, type.pos);
- node.elementType = type;
- parseExpected(23 /* CloseBracketToken */);
- type = finishNode(node);
- }
- break;
- default:
- return type;
- }
- }
- return type;
- }
- function createPostfixType(kind, type) {
- nextToken();
- var postfix = createNode(kind, type.pos);
- postfix.type = type;
- return finishNode(postfix);
- }
- function parseTypeOperator(operator) {
- var node = createNode(184 /* TypeOperator */);
- parseExpected(operator);
- node.operator = operator;
- node.type = parseTypeOperatorOrHigher();
- return finishNode(node);
- }
- function parseInferType() {
- var node = createNode(181 /* InferType */);
- parseExpected(132 /* InferKeyword */);
- var typeParameter = createNode(155 /* TypeParameter */);
- typeParameter.name = parseIdentifier();
- node.typeParameter = finishNode(typeParameter);
- return finishNode(node);
- }
- function parseTypeOperatorOrHigher() {
- var operator = token();
- switch (operator) {
- case 134 /* KeyOfKeyword */:
- case 147 /* UniqueKeyword */:
- case 138 /* ReadonlyKeyword */:
- return parseTypeOperator(operator);
- case 132 /* InferKeyword */:
- return parseInferType();
- }
- return parsePostfixTypeOrHigher();
- }
- function parseUnionOrIntersectionType(kind, parseConstituentType, operator) {
- var start = scanner.getStartPos();
- var hasLeadingOperator = parseOptional(operator);
- var type = parseConstituentType();
- if (token() === operator || hasLeadingOperator) {
- var types = [type];
- while (parseOptional(operator)) {
- types.push(parseConstituentType());
- }
- var node = createNode(kind, start);
- node.types = createNodeArray(types, start);
- type = finishNode(node);
- }
- return type;
- }
- function parseIntersectionTypeOrHigher() {
- return parseUnionOrIntersectionType(179 /* IntersectionType */, parseTypeOperatorOrHigher, 50 /* AmpersandToken */);
- }
- function parseUnionTypeOrHigher() {
- return parseUnionOrIntersectionType(178 /* UnionType */, parseIntersectionTypeOrHigher, 51 /* BarToken */);
- }
- function isStartOfFunctionType() {
- if (token() === 29 /* LessThanToken */) {
- return true;
- }
- return token() === 20 /* OpenParenToken */ && lookAhead(isUnambiguouslyStartOfFunctionType);
- }
- function skipParameterStart() {
- if (ts.isModifierKind(token())) {
- // Skip modifiers
- parseModifiers();
- }
- if (isIdentifier() || token() === 104 /* ThisKeyword */) {
- nextToken();
- return true;
- }
- if (token() === 22 /* OpenBracketToken */ || token() === 18 /* OpenBraceToken */) {
- // Return true if we can parse an array or object binding pattern with no errors
- var previousErrorCount = parseDiagnostics.length;
- parseIdentifierOrPattern();
- return previousErrorCount === parseDiagnostics.length;
- }
- return false;
- }
- function isUnambiguouslyStartOfFunctionType() {
- nextToken();
- if (token() === 21 /* CloseParenToken */ || token() === 25 /* DotDotDotToken */) {
- // ( )
- // ( ...
- return true;
- }
- if (skipParameterStart()) {
- // We successfully skipped modifiers (if any) and an identifier or binding pattern,
- // now see if we have something that indicates a parameter declaration
- if (token() === 58 /* ColonToken */ || token() === 27 /* CommaToken */ ||
- token() === 57 /* QuestionToken */ || token() === 62 /* EqualsToken */) {
- // ( xxx :
- // ( xxx ,
- // ( xxx ?
- // ( xxx =
- return true;
- }
- if (token() === 21 /* CloseParenToken */) {
- nextToken();
- if (token() === 38 /* EqualsGreaterThanToken */) {
- // ( xxx ) =>
- return true;
- }
- }
- }
- return false;
- }
- function parseTypeOrTypePredicate() {
- var typePredicateVariable = isIdentifier() && tryParse(parseTypePredicatePrefix);
- var type = parseType();
- if (typePredicateVariable) {
- var node = createNode(168 /* TypePredicate */, typePredicateVariable.pos);
- node.assertsModifier = undefined;
- node.parameterName = typePredicateVariable;
- node.type = type;
- return finishNode(node);
- }
- else {
- return type;
- }
- }
- function parseTypePredicatePrefix() {
- var id = parseIdentifier();
- if (token() === 133 /* IsKeyword */ && !scanner.hasPrecedingLineBreak()) {
- nextToken();
- return id;
- }
- }
- function parseAssertsTypePredicate() {
- var node = createNode(168 /* TypePredicate */);
- node.assertsModifier = parseExpectedToken(124 /* AssertsKeyword */);
- node.parameterName = token() === 104 /* ThisKeyword */ ? parseThisTypeNode() : parseIdentifier();
- node.type = parseOptional(133 /* IsKeyword */) ? parseType() : undefined;
- return finishNode(node);
- }
- function parseType() {
- // The rules about 'yield' only apply to actual code/expression contexts. They don't
- // apply to 'type' contexts. So we disable these parameters here before moving on.
- return doOutsideOfContext(40960 /* TypeExcludesFlags */, parseTypeWorker);
- }
- function parseTypeWorker(noConditionalTypes) {
- if (isStartOfFunctionType() || token() === 99 /* NewKeyword */) {
- return parseFunctionOrConstructorType();
- }
- var type = parseUnionTypeOrHigher();
- if (!noConditionalTypes && !scanner.hasPrecedingLineBreak() && parseOptional(90 /* ExtendsKeyword */)) {
- var node = createNode(180 /* ConditionalType */, type.pos);
- node.checkType = type;
- // The type following 'extends' is not permitted to be another conditional type
- node.extendsType = parseTypeWorker(/*noConditionalTypes*/ true);
- parseExpected(57 /* QuestionToken */);
- node.trueType = parseTypeWorker();
- parseExpected(58 /* ColonToken */);
- node.falseType = parseTypeWorker();
- return finishNode(node);
- }
- return type;
- }
- function parseTypeAnnotation() {
- return parseOptional(58 /* ColonToken */) ? parseType() : undefined;
- }
- // EXPRESSIONS
- function isStartOfLeftHandSideExpression() {
- switch (token()) {
- case 104 /* ThisKeyword */:
- case 102 /* SuperKeyword */:
- case 100 /* NullKeyword */:
- case 106 /* TrueKeyword */:
- case 91 /* FalseKeyword */:
- case 8 /* NumericLiteral */:
- case 9 /* BigIntLiteral */:
- case 10 /* StringLiteral */:
- case 14 /* NoSubstitutionTemplateLiteral */:
- case 15 /* TemplateHead */:
- case 20 /* OpenParenToken */:
- case 22 /* OpenBracketToken */:
- case 18 /* OpenBraceToken */:
- case 94 /* FunctionKeyword */:
- case 80 /* ClassKeyword */:
- case 99 /* NewKeyword */:
- case 43 /* SlashToken */:
- case 67 /* SlashEqualsToken */:
- case 75 /* Identifier */:
- return true;
- case 96 /* ImportKeyword */:
- return lookAhead(nextTokenIsOpenParenOrLessThanOrDot);
- default:
- return isIdentifier();
- }
- }
- function isStartOfExpression() {
- if (isStartOfLeftHandSideExpression()) {
- return true;
- }
- switch (token()) {
- case 39 /* PlusToken */:
- case 40 /* MinusToken */:
- case 54 /* TildeToken */:
- case 53 /* ExclamationToken */:
- case 85 /* DeleteKeyword */:
- case 108 /* TypeOfKeyword */:
- case 110 /* VoidKeyword */:
- case 45 /* PlusPlusToken */:
- case 46 /* MinusMinusToken */:
- case 29 /* LessThanToken */:
- case 127 /* AwaitKeyword */:
- case 121 /* YieldKeyword */:
- case 76 /* PrivateIdentifier */:
- // Yield/await always starts an expression. Either it is an identifier (in which case
- // it is definitely an expression). Or it's a keyword (either because we're in
- // a generator or async function, or in strict mode (or both)) and it started a yield or await expression.
- return true;
- default:
- // Error tolerance. If we see the start of some binary operator, we consider
- // that the start of an expression. That way we'll parse out a missing identifier,
- // give a good message about an identifier being missing, and then consume the
- // rest of the binary expression.
- if (isBinaryOperator()) {
- return true;
- }
- return isIdentifier();
- }
- }
- function isStartOfExpressionStatement() {
- // As per the grammar, none of '{' or 'function' or 'class' can start an expression statement.
- return token() !== 18 /* OpenBraceToken */ &&
- token() !== 94 /* FunctionKeyword */ &&
- token() !== 80 /* ClassKeyword */ &&
- token() !== 59 /* AtToken */ &&
- isStartOfExpression();
- }
- function parseExpression() {
- // Expression[in]:
- // AssignmentExpression[in]
- // Expression[in] , AssignmentExpression[in]
- // clear the decorator context when parsing Expression, as it should be unambiguous when parsing a decorator
- var saveDecoratorContext = inDecoratorContext();
- if (saveDecoratorContext) {
- setDecoratorContext(/*val*/ false);
- }
- var expr = parseAssignmentExpressionOrHigher();
- var operatorToken;
- while ((operatorToken = parseOptionalToken(27 /* CommaToken */))) {
- expr = makeBinaryExpression(expr, operatorToken, parseAssignmentExpressionOrHigher());
- }
- if (saveDecoratorContext) {
- setDecoratorContext(/*val*/ true);
- }
- return expr;
- }
- function parseInitializer() {
- return parseOptional(62 /* EqualsToken */) ? parseAssignmentExpressionOrHigher() : undefined;
- }
- function parseAssignmentExpressionOrHigher() {
- // AssignmentExpression[in,yield]:
- // 1) ConditionalExpression[?in,?yield]
- // 2) LeftHandSideExpression = AssignmentExpression[?in,?yield]
- // 3) LeftHandSideExpression AssignmentOperator AssignmentExpression[?in,?yield]
- // 4) ArrowFunctionExpression[?in,?yield]
- // 5) AsyncArrowFunctionExpression[in,yield,await]
- // 6) [+Yield] YieldExpression[?In]
- //
- // Note: for ease of implementation we treat productions '2' and '3' as the same thing.
- // (i.e. they're both BinaryExpressions with an assignment operator in it).
- // First, do the simple check if we have a YieldExpression (production '6').
- if (isYieldExpression()) {
- return parseYieldExpression();
- }
- // Then, check if we have an arrow function (production '4' and '5') that starts with a parenthesized
- // parameter list or is an async arrow function.
- // AsyncArrowFunctionExpression:
- // 1) async[no LineTerminator here]AsyncArrowBindingIdentifier[?Yield][no LineTerminator here]=>AsyncConciseBody[?In]
- // 2) CoverCallExpressionAndAsyncArrowHead[?Yield, ?Await][no LineTerminator here]=>AsyncConciseBody[?In]
- // Production (1) of AsyncArrowFunctionExpression is parsed in "tryParseAsyncSimpleArrowFunctionExpression".
- // And production (2) is parsed in "tryParseParenthesizedArrowFunctionExpression".
- //
- // If we do successfully parse arrow-function, we must *not* recurse for productions 1, 2 or 3. An ArrowFunction is
- // not a LeftHandSideExpression, nor does it start a ConditionalExpression. So we are done
- // with AssignmentExpression if we see one.
- var arrowExpression = tryParseParenthesizedArrowFunctionExpression() || tryParseAsyncSimpleArrowFunctionExpression();
- if (arrowExpression) {
- return arrowExpression;
- }
- // Now try to see if we're in production '1', '2' or '3'. A conditional expression can
- // start with a LogicalOrExpression, while the assignment productions can only start with
- // LeftHandSideExpressions.
- //
- // So, first, we try to just parse out a BinaryExpression. If we get something that is a
- // LeftHandSide or higher, then we can try to parse out the assignment expression part.
- // Otherwise, we try to parse out the conditional expression bit. We want to allow any
- // binary expression here, so we pass in the 'lowest' precedence here so that it matches
- // and consumes anything.
- var expr = parseBinaryExpressionOrHigher(/*precedence*/ 0);
- // To avoid a look-ahead, we did not handle the case of an arrow function with a single un-parenthesized
- // parameter ('x => ...') above. We handle it here by checking if the parsed expression was a single
- // identifier and the current token is an arrow.
- if (expr.kind === 75 /* Identifier */ && token() === 38 /* EqualsGreaterThanToken */) {
- return parseSimpleArrowFunctionExpression(expr);
- }
- // Now see if we might be in cases '2' or '3'.
- // If the expression was a LHS expression, and we have an assignment operator, then
- // we're in '2' or '3'. Consume the assignment and return.
- //
- // Note: we call reScanGreaterToken so that we get an appropriately merged token
- // for cases like `> > =` becoming `>>=`
- if (ts.isLeftHandSideExpression(expr) && ts.isAssignmentOperator(reScanGreaterToken())) {
- return makeBinaryExpression(expr, parseTokenNode(), parseAssignmentExpressionOrHigher());
- }
- // It wasn't an assignment or a lambda. This is a conditional expression:
- return parseConditionalExpressionRest(expr);
- }
- function isYieldExpression() {
- if (token() === 121 /* YieldKeyword */) {
- // If we have a 'yield' keyword, and this is a context where yield expressions are
- // allowed, then definitely parse out a yield expression.
- if (inYieldContext()) {
- return true;
- }
- // We're in a context where 'yield expr' is not allowed. However, if we can
- // definitely tell that the user was trying to parse a 'yield expr' and not
- // just a normal expr that start with a 'yield' identifier, then parse out
- // a 'yield expr'. We can then report an error later that they are only
- // allowed in generator expressions.
- //
- // for example, if we see 'yield(foo)', then we'll have to treat that as an
- // invocation expression of something called 'yield'. However, if we have
- // 'yield foo' then that is not legal as a normal expression, so we can
- // definitely recognize this as a yield expression.
- //
- // for now we just check if the next token is an identifier. More heuristics
- // can be added here later as necessary. We just need to make sure that we
- // don't accidentally consume something legal.
- return lookAhead(nextTokenIsIdentifierOrKeywordOrLiteralOnSameLine);
- }
- return false;
- }
- function nextTokenIsIdentifierOnSameLine() {
- nextToken();
- return !scanner.hasPrecedingLineBreak() && isIdentifier();
- }
- function parseYieldExpression() {
- var node = createNode(212 /* YieldExpression */);
- // YieldExpression[In] :
- // yield
- // yield [no LineTerminator here] [Lexical goal InputElementRegExp]AssignmentExpression[?In, Yield]
- // yield [no LineTerminator here] * [Lexical goal InputElementRegExp]AssignmentExpression[?In, Yield]
- nextToken();
- if (!scanner.hasPrecedingLineBreak() &&
- (token() === 41 /* AsteriskToken */ || isStartOfExpression())) {
- node.asteriskToken = parseOptionalToken(41 /* AsteriskToken */);
- node.expression = parseAssignmentExpressionOrHigher();
- return finishNode(node);
- }
- else {
- // if the next token is not on the same line as yield. or we don't have an '*' or
- // the start of an expression, then this is just a simple "yield" expression.
- return finishNode(node);
- }
- }
- function parseSimpleArrowFunctionExpression(identifier, asyncModifier) {
- ts.Debug.assert(token() === 38 /* EqualsGreaterThanToken */, "parseSimpleArrowFunctionExpression should only have been called if we had a =>");
- var node;
- if (asyncModifier) {
- node = createNode(202 /* ArrowFunction */, asyncModifier.pos);
- node.modifiers = asyncModifier;
- }
- else {
- node = createNode(202 /* ArrowFunction */, identifier.pos);
- }
- var parameter = createNode(156 /* Parameter */, identifier.pos);
- parameter.name = identifier;
- finishNode(parameter);
- node.parameters = createNodeArray([parameter], parameter.pos, parameter.end);
- node.equalsGreaterThanToken = parseExpectedToken(38 /* EqualsGreaterThanToken */);
- node.body = parseArrowFunctionExpressionBody(/*isAsync*/ !!asyncModifier);
- return addJSDocComment(finishNode(node));
- }
- function tryParseParenthesizedArrowFunctionExpression() {
- var triState = isParenthesizedArrowFunctionExpression();
- if (triState === 0 /* False */) {
- // It's definitely not a parenthesized arrow function expression.
- return undefined;
- }
- // If we definitely have an arrow function, then we can just parse one, not requiring a
- // following => or { token. Otherwise, we *might* have an arrow function. Try to parse
- // it out, but don't allow any ambiguity, and return 'undefined' if this could be an
- // expression instead.
- var arrowFunction = triState === 1 /* True */
- ? parseParenthesizedArrowFunctionExpressionHead(/*allowAmbiguity*/ true)
- : tryParse(parsePossibleParenthesizedArrowFunctionExpressionHead);
- if (!arrowFunction) {
- // Didn't appear to actually be a parenthesized arrow function. Just bail out.
- return undefined;
- }
- var isAsync = hasModifierOfKind(arrowFunction, 126 /* AsyncKeyword */);
- // If we have an arrow, then try to parse the body. Even if not, try to parse if we
- // have an opening brace, just in case we're in an error state.
- var lastToken = token();
- arrowFunction.equalsGreaterThanToken = parseExpectedToken(38 /* EqualsGreaterThanToken */);
- arrowFunction.body = (lastToken === 38 /* EqualsGreaterThanToken */ || lastToken === 18 /* OpenBraceToken */)
- ? parseArrowFunctionExpressionBody(isAsync)
- : parseIdentifier();
- return finishNode(arrowFunction);
- }
- // True -> We definitely expect a parenthesized arrow function here.
- // False -> There *cannot* be a parenthesized arrow function here.
- // Unknown -> There *might* be a parenthesized arrow function here.
- // Speculatively look ahead to be sure, and rollback if not.
- function isParenthesizedArrowFunctionExpression() {
- if (token() === 20 /* OpenParenToken */ || token() === 29 /* LessThanToken */ || token() === 126 /* AsyncKeyword */) {
- return lookAhead(isParenthesizedArrowFunctionExpressionWorker);
- }
- if (token() === 38 /* EqualsGreaterThanToken */) {
- // ERROR RECOVERY TWEAK:
- // If we see a standalone => try to parse it as an arrow function expression as that's
- // likely what the user intended to write.
- return 1 /* True */;
- }
- // Definitely not a parenthesized arrow function.
- return 0 /* False */;
- }
- function isParenthesizedArrowFunctionExpressionWorker() {
- if (token() === 126 /* AsyncKeyword */) {
- nextToken();
- if (scanner.hasPrecedingLineBreak()) {
- return 0 /* False */;
- }
- if (token() !== 20 /* OpenParenToken */ && token() !== 29 /* LessThanToken */) {
- return 0 /* False */;
- }
- }
- var first = token();
- var second = nextToken();
- if (first === 20 /* OpenParenToken */) {
- if (second === 21 /* CloseParenToken */) {
- // Simple cases: "() =>", "(): ", and "() {".
- // This is an arrow function with no parameters.
- // The last one is not actually an arrow function,
- // but this is probably what the user intended.
- var third = nextToken();
- switch (third) {
- case 38 /* EqualsGreaterThanToken */:
- case 58 /* ColonToken */:
- case 18 /* OpenBraceToken */:
- return 1 /* True */;
- default:
- return 0 /* False */;
- }
- }
- // If encounter "([" or "({", this could be the start of a binding pattern.
- // Examples:
- // ([ x ]) => { }
- // ({ x }) => { }
- // ([ x ])
- // ({ x })
- if (second === 22 /* OpenBracketToken */ || second === 18 /* OpenBraceToken */) {
- return 2 /* Unknown */;
- }
- // Simple case: "(..."
- // This is an arrow function with a rest parameter.
- if (second === 25 /* DotDotDotToken */) {
- return 1 /* True */;
- }
- // Check for "(xxx yyy", where xxx is a modifier and yyy is an identifier. This
- // isn't actually allowed, but we want to treat it as a lambda so we can provide
- // a good error message.
- if (ts.isModifierKind(second) && second !== 126 /* AsyncKeyword */ && lookAhead(nextTokenIsIdentifier)) {
- return 1 /* True */;
- }
- // If we had "(" followed by something that's not an identifier,
- // then this definitely doesn't look like a lambda. "this" is not
- // valid, but we want to parse it and then give a semantic error.
- if (!isIdentifier() && second !== 104 /* ThisKeyword */) {
- return 0 /* False */;
- }
- switch (nextToken()) {
- case 58 /* ColonToken */:
- // If we have something like "(a:", then we must have a
- // type-annotated parameter in an arrow function expression.
- return 1 /* True */;
- case 57 /* QuestionToken */:
- nextToken();
- // If we have "(a?:" or "(a?," or "(a?=" or "(a?)" then it is definitely a lambda.
- if (token() === 58 /* ColonToken */ || token() === 27 /* CommaToken */ || token() === 62 /* EqualsToken */ || token() === 21 /* CloseParenToken */) {
- return 1 /* True */;
- }
- // Otherwise it is definitely not a lambda.
- return 0 /* False */;
- case 27 /* CommaToken */:
- case 62 /* EqualsToken */:
- case 21 /* CloseParenToken */:
- // If we have "(a," or "(a=" or "(a)" this *could* be an arrow function
- return 2 /* Unknown */;
- }
- // It is definitely not an arrow function
- return 0 /* False */;
- }
- else {
- ts.Debug.assert(first === 29 /* LessThanToken */);
- // If we have "<" not followed by an identifier,
- // then this definitely is not an arrow function.
- if (!isIdentifier()) {
- return 0 /* False */;
- }
- // JSX overrides
- if (sourceFile.languageVariant === 1 /* JSX */) {
- var isArrowFunctionInJsx = lookAhead(function () {
- var third = nextToken();
- if (third === 90 /* ExtendsKeyword */) {
- var fourth = nextToken();
- switch (fourth) {
- case 62 /* EqualsToken */:
- case 31 /* GreaterThanToken */:
- return false;
- default:
- return true;
- }
- }
- else if (third === 27 /* CommaToken */) {
- return true;
- }
- return false;
- });
- if (isArrowFunctionInJsx) {
- return 1 /* True */;
- }
- return 0 /* False */;
- }
- // This *could* be a parenthesized arrow function.
- return 2 /* Unknown */;
- }
- }
- function parsePossibleParenthesizedArrowFunctionExpressionHead() {
- var tokenPos = scanner.getTokenPos();
- if (notParenthesizedArrow && notParenthesizedArrow.has(tokenPos.toString())) {
- return undefined;
- }
- var result = parseParenthesizedArrowFunctionExpressionHead(/*allowAmbiguity*/ false);
- if (!result) {
- (notParenthesizedArrow || (notParenthesizedArrow = ts.createMap())).set(tokenPos.toString(), true);
- }
- return result;
- }
- function tryParseAsyncSimpleArrowFunctionExpression() {
- // We do a check here so that we won't be doing unnecessarily call to "lookAhead"
- if (token() === 126 /* AsyncKeyword */) {
- if (lookAhead(isUnParenthesizedAsyncArrowFunctionWorker) === 1 /* True */) {
- var asyncModifier = parseModifiersForArrowFunction();
- var expr = parseBinaryExpressionOrHigher(/*precedence*/ 0);
- return parseSimpleArrowFunctionExpression(expr, asyncModifier);
- }
- }
- return undefined;
- }
- function isUnParenthesizedAsyncArrowFunctionWorker() {
- // AsyncArrowFunctionExpression:
- // 1) async[no LineTerminator here]AsyncArrowBindingIdentifier[?Yield][no LineTerminator here]=>AsyncConciseBody[?In]
- // 2) CoverCallExpressionAndAsyncArrowHead[?Yield, ?Await][no LineTerminator here]=>AsyncConciseBody[?In]
- if (token() === 126 /* AsyncKeyword */) {
- nextToken();
- // If the "async" is followed by "=>" token then it is not a beginning of an async arrow-function
- // but instead a simple arrow-function which will be parsed inside "parseAssignmentExpressionOrHigher"
- if (scanner.hasPrecedingLineBreak() || token() === 38 /* EqualsGreaterThanToken */) {
- return 0 /* False */;
- }
- // Check for un-parenthesized AsyncArrowFunction
- var expr = parseBinaryExpressionOrHigher(/*precedence*/ 0);
- if (!scanner.hasPrecedingLineBreak() && expr.kind === 75 /* Identifier */ && token() === 38 /* EqualsGreaterThanToken */) {
- return 1 /* True */;
- }
- }
- return 0 /* False */;
- }
- function parseParenthesizedArrowFunctionExpressionHead(allowAmbiguity) {
- var node = createNodeWithJSDoc(202 /* ArrowFunction */);
- node.modifiers = parseModifiersForArrowFunction();
- var isAsync = hasModifierOfKind(node, 126 /* AsyncKeyword */) ? 2 /* Await */ : 0 /* None */;
- // Arrow functions are never generators.
- //
- // If we're speculatively parsing a signature for a parenthesized arrow function, then
- // we have to have a complete parameter list. Otherwise we might see something like
- // a => (b => c)
- // And think that "(b =>" was actually a parenthesized arrow function with a missing
- // close paren.
- if (!fillSignature(58 /* ColonToken */, isAsync, node) && !allowAmbiguity) {
- return undefined;
- }
- // Parsing a signature isn't enough.
- // Parenthesized arrow signatures often look like other valid expressions.
- // For instance:
- // - "(x = 10)" is an assignment expression parsed as a signature with a default parameter value.
- // - "(x,y)" is a comma expression parsed as a signature with two parameters.
- // - "a ? (b): c" will have "(b):" parsed as a signature with a return type annotation.
- // - "a ? (b): function() {}" will too, since function() is a valid JSDoc function type.
- //
- // So we need just a bit of lookahead to ensure that it can only be a signature.
- var hasJSDocFunctionType = node.type && ts.isJSDocFunctionType(node.type);
- if (!allowAmbiguity && token() !== 38 /* EqualsGreaterThanToken */ && (hasJSDocFunctionType || token() !== 18 /* OpenBraceToken */)) {
- // Returning undefined here will cause our caller to rewind to where we started from.
- return undefined;
- }
- return node;
- }
- function parseArrowFunctionExpressionBody(isAsync) {
- if (token() === 18 /* OpenBraceToken */) {
- return parseFunctionBlock(isAsync ? 2 /* Await */ : 0 /* None */);
- }
- if (token() !== 26 /* SemicolonToken */ &&
- token() !== 94 /* FunctionKeyword */ &&
- token() !== 80 /* ClassKeyword */ &&
- isStartOfStatement() &&
- !isStartOfExpressionStatement()) {
- // Check if we got a plain statement (i.e. no expression-statements, no function/class expressions/declarations)
- //
- // Here we try to recover from a potential error situation in the case where the
- // user meant to supply a block. For example, if the user wrote:
- //
- // a =>
- // let v = 0;
- // }
- //
- // they may be missing an open brace. Check to see if that's the case so we can
- // try to recover better. If we don't do this, then the next close curly we see may end
- // up preemptively closing the containing construct.
- //
- // Note: even when 'IgnoreMissingOpenBrace' is passed, parseBody will still error.
- return parseFunctionBlock(16 /* IgnoreMissingOpenBrace */ | (isAsync ? 2 /* Await */ : 0 /* None */));
- }
- return isAsync
- ? doInAwaitContext(parseAssignmentExpressionOrHigher)
- : doOutsideOfAwaitContext(parseAssignmentExpressionOrHigher);
- }
- function parseConditionalExpressionRest(leftOperand) {
- // Note: we are passed in an expression which was produced from parseBinaryExpressionOrHigher.
- var questionToken = parseOptionalToken(57 /* QuestionToken */);
- if (!questionToken) {
- return leftOperand;
- }
- // Note: we explicitly 'allowIn' in the whenTrue part of the condition expression, and
- // we do not that for the 'whenFalse' part.
- var node = createNode(210 /* ConditionalExpression */, leftOperand.pos);
- node.condition = leftOperand;
- node.questionToken = questionToken;
- node.whenTrue = doOutsideOfContext(disallowInAndDecoratorContext, parseAssignmentExpressionOrHigher);
- node.colonToken = parseExpectedToken(58 /* ColonToken */);
- node.whenFalse = ts.nodeIsPresent(node.colonToken)
- ? parseAssignmentExpressionOrHigher()
- : createMissingNode(75 /* Identifier */, /*reportAtCurrentPosition*/ false, ts.Diagnostics._0_expected, ts.tokenToString(58 /* ColonToken */));
- return finishNode(node);
- }
- function parseBinaryExpressionOrHigher(precedence) {
- var leftOperand = parseUnaryExpressionOrHigher();
- return parseBinaryExpressionRest(precedence, leftOperand);
- }
- function isInOrOfKeyword(t) {
- return t === 97 /* InKeyword */ || t === 152 /* OfKeyword */;
- }
- function parseBinaryExpressionRest(precedence, leftOperand) {
- while (true) {
- // We either have a binary operator here, or we're finished. We call
- // reScanGreaterToken so that we merge token sequences like > and = into >=
- reScanGreaterToken();
- var newPrecedence = ts.getBinaryOperatorPrecedence(token());
- // Check the precedence to see if we should "take" this operator
- // - For left associative operator (all operator but **), consume the operator,
- // recursively call the function below, and parse binaryExpression as a rightOperand
- // of the caller if the new precedence of the operator is greater then or equal to the current precedence.
- // For example:
- // a - b - c;
- // ^token; leftOperand = b. Return b to the caller as a rightOperand
- // a * b - c
- // ^token; leftOperand = b. Return b to the caller as a rightOperand
- // a - b * c;
- // ^token; leftOperand = b. Return b * c to the caller as a rightOperand
- // - For right associative operator (**), consume the operator, recursively call the function
- // and parse binaryExpression as a rightOperand of the caller if the new precedence of
- // the operator is strictly grater than the current precedence
- // For example:
- // a ** b ** c;
- // ^^token; leftOperand = b. Return b ** c to the caller as a rightOperand
- // a - b ** c;
- // ^^token; leftOperand = b. Return b ** c to the caller as a rightOperand
- // a ** b - c
- // ^token; leftOperand = b. Return b to the caller as a rightOperand
- var consumeCurrentOperator = token() === 42 /* AsteriskAsteriskToken */ ?
- newPrecedence >= precedence :
- newPrecedence > precedence;
- if (!consumeCurrentOperator) {
- break;
- }
- if (token() === 97 /* InKeyword */ && inDisallowInContext()) {
- break;
- }
- if (token() === 123 /* AsKeyword */) {
- // Make sure we *do* perform ASI for constructs like this:
- // var x = foo
- // as (Bar)
- // This should be parsed as an initialized variable, followed
- // by a function call to 'as' with the argument 'Bar'
- if (scanner.hasPrecedingLineBreak()) {
- break;
- }
- else {
- nextToken();
- leftOperand = makeAsExpression(leftOperand, parseType());
- }
- }
- else {
- leftOperand = makeBinaryExpression(leftOperand, parseTokenNode(), parseBinaryExpressionOrHigher(newPrecedence));
- }
- }
- return leftOperand;
- }
- function isBinaryOperator() {
- if (inDisallowInContext() && token() === 97 /* InKeyword */) {
- return false;
- }
- return ts.getBinaryOperatorPrecedence(token()) > 0;
- }
- function makeBinaryExpression(left, operatorToken, right) {
- var node = createNode(209 /* BinaryExpression */, left.pos);
- node.left = left;
- node.operatorToken = operatorToken;
- node.right = right;
- return finishNode(node);
- }
- function makeAsExpression(left, right) {
- var node = createNode(217 /* AsExpression */, left.pos);
- node.expression = left;
- node.type = right;
- return finishNode(node);
- }
- function parsePrefixUnaryExpression() {
- var node = createNode(207 /* PrefixUnaryExpression */);
- node.operator = token();
- nextToken();
- node.operand = parseSimpleUnaryExpression();
- return finishNode(node);
- }
- function parseDeleteExpression() {
- var node = createNode(203 /* DeleteExpression */);
- nextToken();
- node.expression = parseSimpleUnaryExpression();
- return finishNode(node);
- }
- function parseTypeOfExpression() {
- var node = createNode(204 /* TypeOfExpression */);
- nextToken();
- node.expression = parseSimpleUnaryExpression();
- return finishNode(node);
- }
- function parseVoidExpression() {
- var node = createNode(205 /* VoidExpression */);
- nextToken();
- node.expression = parseSimpleUnaryExpression();
- return finishNode(node);
- }
- function isAwaitExpression() {
- if (token() === 127 /* AwaitKeyword */) {
- if (inAwaitContext()) {
- return true;
- }
- // here we are using similar heuristics as 'isYieldExpression'
- return lookAhead(nextTokenIsIdentifierOrKeywordOrLiteralOnSameLine);
- }
- return false;
- }
- function parseAwaitExpression() {
- var node = createNode(206 /* AwaitExpression */);
- nextToken();
- node.expression = parseSimpleUnaryExpression();
- return finishNode(node);
- }
- /**
- * Parse ES7 exponential expression and await expression
- *
- * ES7 ExponentiationExpression:
- * 1) UnaryExpression[?Yield]
- * 2) UpdateExpression[?Yield] ** ExponentiationExpression[?Yield]
- *
- */
- function parseUnaryExpressionOrHigher() {
- /**
- * ES7 UpdateExpression:
- * 1) LeftHandSideExpression[?Yield]
- * 2) LeftHandSideExpression[?Yield][no LineTerminator here]++
- * 3) LeftHandSideExpression[?Yield][no LineTerminator here]--
- * 4) ++UnaryExpression[?Yield]
- * 5) --UnaryExpression[?Yield]
- */
- if (isUpdateExpression()) {
- var updateExpression = parseUpdateExpression();
- return token() === 42 /* AsteriskAsteriskToken */ ?
- parseBinaryExpressionRest(ts.getBinaryOperatorPrecedence(token()), updateExpression) :
- updateExpression;
- }
- /**
- * ES7 UnaryExpression:
- * 1) UpdateExpression[?yield]
- * 2) delete UpdateExpression[?yield]
- * 3) void UpdateExpression[?yield]
- * 4) typeof UpdateExpression[?yield]
- * 5) + UpdateExpression[?yield]
- * 6) - UpdateExpression[?yield]
- * 7) ~ UpdateExpression[?yield]
- * 8) ! UpdateExpression[?yield]
- */
- var unaryOperator = token();
- var simpleUnaryExpression = parseSimpleUnaryExpression();
- if (token() === 42 /* AsteriskAsteriskToken */) {
- var pos = ts.skipTrivia(sourceText, simpleUnaryExpression.pos);
- var end = simpleUnaryExpression.end;
- if (simpleUnaryExpression.kind === 199 /* TypeAssertionExpression */) {
- parseErrorAt(pos, end, ts.Diagnostics.A_type_assertion_expression_is_not_allowed_in_the_left_hand_side_of_an_exponentiation_expression_Consider_enclosing_the_expression_in_parentheses);
- }
- else {
- parseErrorAt(pos, end, ts.Diagnostics.An_unary_expression_with_the_0_operator_is_not_allowed_in_the_left_hand_side_of_an_exponentiation_expression_Consider_enclosing_the_expression_in_parentheses, ts.tokenToString(unaryOperator));
- }
- }
- return simpleUnaryExpression;
- }
- /**
- * Parse ES7 simple-unary expression or higher:
- *
- * ES7 UnaryExpression:
- * 1) UpdateExpression[?yield]
- * 2) delete UnaryExpression[?yield]
- * 3) void UnaryExpression[?yield]
- * 4) typeof UnaryExpression[?yield]
- * 5) + UnaryExpression[?yield]
- * 6) - UnaryExpression[?yield]
- * 7) ~ UnaryExpression[?yield]
- * 8) ! UnaryExpression[?yield]
- * 9) [+Await] await UnaryExpression[?yield]
- */
- function parseSimpleUnaryExpression() {
- switch (token()) {
- case 39 /* PlusToken */:
- case 40 /* MinusToken */:
- case 54 /* TildeToken */:
- case 53 /* ExclamationToken */:
- return parsePrefixUnaryExpression();
- case 85 /* DeleteKeyword */:
- return parseDeleteExpression();
- case 108 /* TypeOfKeyword */:
- return parseTypeOfExpression();
- case 110 /* VoidKeyword */:
- return parseVoidExpression();
- case 29 /* LessThanToken */:
- // This is modified UnaryExpression grammar in TypeScript
- // UnaryExpression (modified):
- // < type > UnaryExpression
- return parseTypeAssertion();
- case 127 /* AwaitKeyword */:
- if (isAwaitExpression()) {
- return parseAwaitExpression();
- }
- // falls through
- default:
- return parseUpdateExpression();
- }
- }
- /**
- * Check if the current token can possibly be an ES7 increment expression.
- *
- * ES7 UpdateExpression:
- * LeftHandSideExpression[?Yield]
- * LeftHandSideExpression[?Yield][no LineTerminator here]++
- * LeftHandSideExpression[?Yield][no LineTerminator here]--
- * ++LeftHandSideExpression[?Yield]
- * --LeftHandSideExpression[?Yield]
- */
- function isUpdateExpression() {
- // This function is called inside parseUnaryExpression to decide
- // whether to call parseSimpleUnaryExpression or call parseUpdateExpression directly
- switch (token()) {
- case 39 /* PlusToken */:
- case 40 /* MinusToken */:
- case 54 /* TildeToken */:
- case 53 /* ExclamationToken */:
- case 85 /* DeleteKeyword */:
- case 108 /* TypeOfKeyword */:
- case 110 /* VoidKeyword */:
- case 127 /* AwaitKeyword */:
- return false;
- case 29 /* LessThanToken */:
- // If we are not in JSX context, we are parsing TypeAssertion which is an UnaryExpression
- if (sourceFile.languageVariant !== 1 /* JSX */) {
- return false;
- }
- // We are in JSX context and the token is part of JSXElement.
- // falls through
- default:
- return true;
- }
- }
- /**
- * Parse ES7 UpdateExpression. UpdateExpression is used instead of ES6's PostFixExpression.
- *
- * ES7 UpdateExpression[yield]:
- * 1) LeftHandSideExpression[?yield]
- * 2) LeftHandSideExpression[?yield] [[no LineTerminator here]]++
- * 3) LeftHandSideExpression[?yield] [[no LineTerminator here]]--
- * 4) ++LeftHandSideExpression[?yield]
- * 5) --LeftHandSideExpression[?yield]
- * In TypeScript (2), (3) are parsed as PostfixUnaryExpression. (4), (5) are parsed as PrefixUnaryExpression
- */
- function parseUpdateExpression() {
- if (token() === 45 /* PlusPlusToken */ || token() === 46 /* MinusMinusToken */) {
- var node = createNode(207 /* PrefixUnaryExpression */);
- node.operator = token();
- nextToken();
- node.operand = parseLeftHandSideExpressionOrHigher();
- return finishNode(node);
- }
- else if (sourceFile.languageVariant === 1 /* JSX */ && token() === 29 /* LessThanToken */ && lookAhead(nextTokenIsIdentifierOrKeywordOrGreaterThan)) {
- // JSXElement is part of primaryExpression
- return parseJsxElementOrSelfClosingElementOrFragment(/*inExpressionContext*/ true);
- }
- var expression = parseLeftHandSideExpressionOrHigher();
- ts.Debug.assert(ts.isLeftHandSideExpression(expression));
- if ((token() === 45 /* PlusPlusToken */ || token() === 46 /* MinusMinusToken */) && !scanner.hasPrecedingLineBreak()) {
- var node = createNode(208 /* PostfixUnaryExpression */, expression.pos);
- node.operand = expression;
- node.operator = token();
- nextToken();
- return finishNode(node);
- }
- return expression;
- }
- function parseLeftHandSideExpressionOrHigher() {
- // Original Ecma:
- // LeftHandSideExpression: See 11.2
- // NewExpression
- // CallExpression
- //
- // Our simplification:
- //
- // LeftHandSideExpression: See 11.2
- // MemberExpression
- // CallExpression
- //
- // See comment in parseMemberExpressionOrHigher on how we replaced NewExpression with
- // MemberExpression to make our lives easier.
- //
- // to best understand the below code, it's important to see how CallExpression expands
- // out into its own productions:
- //
- // CallExpression:
- // MemberExpression Arguments
- // CallExpression Arguments
- // CallExpression[Expression]
- // CallExpression.IdentifierName
- // import (AssignmentExpression)
- // super Arguments
- // super.IdentifierName
- //
- // Because of the recursion in these calls, we need to bottom out first. There are three
- // bottom out states we can run into: 1) We see 'super' which must start either of
- // the last two CallExpression productions. 2) We see 'import' which must start import call.
- // 3)we have a MemberExpression which either completes the LeftHandSideExpression,
- // or starts the beginning of the first four CallExpression productions.
- var expression;
- if (token() === 96 /* ImportKeyword */) {
- if (lookAhead(nextTokenIsOpenParenOrLessThan)) {
- // We don't want to eagerly consume all import keyword as import call expression so we look ahead to find "("
- // For example:
- // var foo3 = require("subfolder
- // import * as foo1 from "module-from-node
- // We want this import to be a statement rather than import call expression
- sourceFile.flags |= 1048576 /* PossiblyContainsDynamicImport */;
- expression = parseTokenNode();
- }
- else if (lookAhead(nextTokenIsDot)) {
- // This is an 'import.*' metaproperty (i.e. 'import.meta')
- var fullStart = scanner.getStartPos();
- nextToken(); // advance past the 'import'
- nextToken(); // advance past the dot
- var node = createNode(219 /* MetaProperty */, fullStart);
- node.keywordToken = 96 /* ImportKeyword */;
- node.name = parseIdentifierName();
- expression = finishNode(node);
- sourceFile.flags |= 2097152 /* PossiblyContainsImportMeta */;
- }
- else {
- expression = parseMemberExpressionOrHigher();
- }
- }
- else {
- expression = token() === 102 /* SuperKeyword */ ? parseSuperExpression() : parseMemberExpressionOrHigher();
- }
- // Now, we *may* be complete. However, we might have consumed the start of a
- // CallExpression or OptionalExpression. As such, we need to consume the rest
- // of it here to be complete.
- return parseCallExpressionRest(expression);
- }
- function parseMemberExpressionOrHigher() {
- // Note: to make our lives simpler, we decompose the NewExpression productions and
- // place ObjectCreationExpression and FunctionExpression into PrimaryExpression.
- // like so:
- //
- // PrimaryExpression : See 11.1
- // this
- // Identifier
- // Literal
- // ArrayLiteral
- // ObjectLiteral
- // (Expression)
- // FunctionExpression
- // new MemberExpression Arguments?
- //
- // MemberExpression : See 11.2
- // PrimaryExpression
- // MemberExpression[Expression]
- // MemberExpression.IdentifierName
- //
- // CallExpression : See 11.2
- // MemberExpression
- // CallExpression Arguments
- // CallExpression[Expression]
- // CallExpression.IdentifierName
- //
- // Technically this is ambiguous. i.e. CallExpression defines:
- //
- // CallExpression:
- // CallExpression Arguments
- //
- // If you see: "new Foo()"
- //
- // Then that could be treated as a single ObjectCreationExpression, or it could be
- // treated as the invocation of "new Foo". We disambiguate that in code (to match
- // the original grammar) by making sure that if we see an ObjectCreationExpression
- // we always consume arguments if they are there. So we treat "new Foo()" as an
- // object creation only, and not at all as an invocation. Another way to think
- // about this is that for every "new" that we see, we will consume an argument list if
- // it is there as part of the *associated* object creation node. Any additional
- // argument lists we see, will become invocation expressions.
- //
- // Because there are no other places in the grammar now that refer to FunctionExpression
- // or ObjectCreationExpression, it is safe to push down into the PrimaryExpression
- // production.
- //
- // Because CallExpression and MemberExpression are left recursive, we need to bottom out
- // of the recursion immediately. So we parse out a primary expression to start with.
- var expression = parsePrimaryExpression();
- return parseMemberExpressionRest(expression, /*allowOptionalChain*/ true);
- }
- function parseSuperExpression() {
- var expression = parseTokenNode();
- if (token() === 29 /* LessThanToken */) {
- var startPos = getNodePos();
- var typeArguments = tryParse(parseTypeArgumentsInExpression);
- if (typeArguments !== undefined) {
- parseErrorAt(startPos, getNodePos(), ts.Diagnostics.super_may_not_use_type_arguments);
- }
- }
- if (token() === 20 /* OpenParenToken */ || token() === 24 /* DotToken */ || token() === 22 /* OpenBracketToken */) {
- return expression;
- }
- // If we have seen "super" it must be followed by '(' or '.'.
- // If it wasn't then just try to parse out a '.' and report an error.
- var node = createNode(194 /* PropertyAccessExpression */, expression.pos);
- node.expression = expression;
- parseExpectedToken(24 /* DotToken */, ts.Diagnostics.super_must_be_followed_by_an_argument_list_or_member_access);
- // private names will never work with `super` (`super.#foo`), but that's a semantic error, not syntactic
- node.name = parseRightSideOfDot(/*allowIdentifierNames*/ true, /*allowPrivateIdentifiers*/ true);
- return finishNode(node);
- }
- function parseJsxElementOrSelfClosingElementOrFragment(inExpressionContext) {
- var opening = parseJsxOpeningOrSelfClosingElementOrOpeningFragment(inExpressionContext);
- var result;
- if (opening.kind === 268 /* JsxOpeningElement */) {
- var node = createNode(266 /* JsxElement */, opening.pos);
- node.openingElement = opening;
- node.children = parseJsxChildren(node.openingElement);
- node.closingElement = parseJsxClosingElement(inExpressionContext);
- if (!tagNamesAreEquivalent(node.openingElement.tagName, node.closingElement.tagName)) {
- parseErrorAtRange(node.closingElement, ts.Diagnostics.Expected_corresponding_JSX_closing_tag_for_0, ts.getTextOfNodeFromSourceText(sourceText, node.openingElement.tagName));
- }
- result = finishNode(node);
- }
- else if (opening.kind === 271 /* JsxOpeningFragment */) {
- var node = createNode(270 /* JsxFragment */, opening.pos);
- node.openingFragment = opening;
- node.children = parseJsxChildren(node.openingFragment);
- node.closingFragment = parseJsxClosingFragment(inExpressionContext);
- result = finishNode(node);
- }
- else {
- ts.Debug.assert(opening.kind === 267 /* JsxSelfClosingElement */);
- // Nothing else to do for self-closing elements
- result = opening;
- }
- // If the user writes the invalid code '<div></div><div></div>' in an expression context (i.e. not wrapped in
- // an enclosing tag), we'll naively try to parse ^ this as a 'less than' operator and the remainder of the tag
- // as garbage, which will cause the formatter to badly mangle the JSX. Perform a speculative parse of a JSX
- // element if we see a < token so that we can wrap it in a synthetic binary expression so the formatter
- // does less damage and we can report a better error.
- // Since JSX elements are invalid < operands anyway, this lookahead parse will only occur in error scenarios
- // of one sort or another.
- if (inExpressionContext && token() === 29 /* LessThanToken */) {
- var invalidElement = tryParse(function () { return parseJsxElementOrSelfClosingElementOrFragment(/*inExpressionContext*/ true); });
- if (invalidElement) {
- parseErrorAtCurrentToken(ts.Diagnostics.JSX_expressions_must_have_one_parent_element);
- var badNode = createNode(209 /* BinaryExpression */, result.pos);
- badNode.end = invalidElement.end;
- badNode.left = result;
- badNode.right = invalidElement;
- badNode.operatorToken = createMissingNode(27 /* CommaToken */, /*reportAtCurrentPosition*/ false);
- badNode.operatorToken.pos = badNode.operatorToken.end = badNode.right.pos;
- return badNode;
- }
- }
- return result;
- }
- function parseJsxText() {
- var node = createNode(11 /* JsxText */);
- node.text = scanner.getTokenValue();
- node.containsOnlyTriviaWhiteSpaces = currentToken === 12 /* JsxTextAllWhiteSpaces */;
- currentToken = scanner.scanJsxToken();
- return finishNode(node);
- }
- function parseJsxChild(openingTag, token) {
- switch (token) {
- case 1 /* EndOfFileToken */:
- // If we hit EOF, issue the error at the tag that lacks the closing element
- // rather than at the end of the file (which is useless)
- if (ts.isJsxOpeningFragment(openingTag)) {
- parseErrorAtRange(openingTag, ts.Diagnostics.JSX_fragment_has_no_corresponding_closing_tag);
- }
- else {
- // We want the error span to cover only 'Foo.Bar' in < Foo.Bar >
- // or to cover only 'Foo' in < Foo >
- var tag = openingTag.tagName;
- var start = ts.skipTrivia(sourceText, tag.pos);
- parseErrorAt(start, tag.end, ts.Diagnostics.JSX_element_0_has_no_corresponding_closing_tag, ts.getTextOfNodeFromSourceText(sourceText, openingTag.tagName));
- }
- return undefined;
- case 30 /* LessThanSlashToken */:
- case 7 /* ConflictMarkerTrivia */:
- return undefined;
- case 11 /* JsxText */:
- case 12 /* JsxTextAllWhiteSpaces */:
- return parseJsxText();
- case 18 /* OpenBraceToken */:
- return parseJsxExpression(/*inExpressionContext*/ false);
- case 29 /* LessThanToken */:
- return parseJsxElementOrSelfClosingElementOrFragment(/*inExpressionContext*/ false);
- default:
- return ts.Debug.assertNever(token);
- }
- }
- function parseJsxChildren(openingTag) {
- var list = [];
- var listPos = getNodePos();
- var saveParsingContext = parsingContext;
- parsingContext |= 1 << 14 /* JsxChildren */;
- while (true) {
- var child = parseJsxChild(openingTag, currentToken = scanner.reScanJsxToken());
- if (!child)
- break;
- list.push(child);
- }
- parsingContext = saveParsingContext;
- return createNodeArray(list, listPos);
- }
- function parseJsxAttributes() {
- var jsxAttributes = createNode(274 /* JsxAttributes */);
- jsxAttributes.properties = parseList(13 /* JsxAttributes */, parseJsxAttribute);
- return finishNode(jsxAttributes);
- }
- function parseJsxOpeningOrSelfClosingElementOrOpeningFragment(inExpressionContext) {
- var fullStart = scanner.getStartPos();
- parseExpected(29 /* LessThanToken */);
- if (token() === 31 /* GreaterThanToken */) {
- // See below for explanation of scanJsxText
- var node_1 = createNode(271 /* JsxOpeningFragment */, fullStart);
- scanJsxText();
- return finishNode(node_1);
- }
- var tagName = parseJsxElementName();
- var typeArguments = tryParseTypeArguments();
- var attributes = parseJsxAttributes();
- var node;
- if (token() === 31 /* GreaterThanToken */) {
- // Closing tag, so scan the immediately-following text with the JSX scanning instead
- // of regular scanning to avoid treating illegal characters (e.g. '#') as immediate
- // scanning errors
- node = createNode(268 /* JsxOpeningElement */, fullStart);
- scanJsxText();
- }
- else {
- parseExpected(43 /* SlashToken */);
- if (inExpressionContext) {
- parseExpected(31 /* GreaterThanToken */);
- }
- else {
- parseExpected(31 /* GreaterThanToken */, /*diagnostic*/ undefined, /*shouldAdvance*/ false);
- scanJsxText();
- }
- node = createNode(267 /* JsxSelfClosingElement */, fullStart);
- }
- node.tagName = tagName;
- node.typeArguments = typeArguments;
- node.attributes = attributes;
- return finishNode(node);
- }
- function parseJsxElementName() {
- scanJsxIdentifier();
- // JsxElement can have name in the form of
- // propertyAccessExpression
- // primaryExpression in the form of an identifier and "this" keyword
- // We can't just simply use parseLeftHandSideExpressionOrHigher because then we will start consider class,function etc as a keyword
- // We only want to consider "this" as a primaryExpression
- var expression = token() === 104 /* ThisKeyword */ ?
- parseTokenNode() : parseIdentifierName();
- while (parseOptional(24 /* DotToken */)) {
- var propertyAccess = createNode(194 /* PropertyAccessExpression */, expression.pos);
- propertyAccess.expression = expression;
- propertyAccess.name = parseRightSideOfDot(/*allowIdentifierNames*/ true, /*allowPrivateIdentifiers*/ false);
- expression = finishNode(propertyAccess);
- }
- return expression;
- }
- function parseJsxExpression(inExpressionContext) {
- var node = createNode(276 /* JsxExpression */);
- if (!parseExpected(18 /* OpenBraceToken */)) {
- return undefined;
- }
- if (token() !== 19 /* CloseBraceToken */) {
- node.dotDotDotToken = parseOptionalToken(25 /* DotDotDotToken */);
- // Only an AssignmentExpression is valid here per the JSX spec,
- // but we can unambiguously parse a comma sequence and provide
- // a better error message in grammar checking.
- node.expression = parseExpression();
- }
- if (inExpressionContext) {
- parseExpected(19 /* CloseBraceToken */);
- }
- else {
- if (parseExpected(19 /* CloseBraceToken */, /*message*/ undefined, /*shouldAdvance*/ false)) {
- scanJsxText();
- }
- }
- return finishNode(node);
- }
- function parseJsxAttribute() {
- if (token() === 18 /* OpenBraceToken */) {
- return parseJsxSpreadAttribute();
- }
- scanJsxIdentifier();
- var node = createNode(273 /* JsxAttribute */);
- node.name = parseIdentifierName();
- if (token() === 62 /* EqualsToken */) {
- switch (scanJsxAttributeValue()) {
- case 10 /* StringLiteral */:
- node.initializer = parseLiteralNode();
- break;
- default:
- node.initializer = parseJsxExpression(/*inExpressionContext*/ true);
- break;
- }
- }
- return finishNode(node);
- }
- function parseJsxSpreadAttribute() {
- var node = createNode(275 /* JsxSpreadAttribute */);
- parseExpected(18 /* OpenBraceToken */);
- parseExpected(25 /* DotDotDotToken */);
- node.expression = parseExpression();
- parseExpected(19 /* CloseBraceToken */);
- return finishNode(node);
- }
- function parseJsxClosingElement(inExpressionContext) {
- var node = createNode(269 /* JsxClosingElement */);
- parseExpected(30 /* LessThanSlashToken */);
- node.tagName = parseJsxElementName();
- if (inExpressionContext) {
- parseExpected(31 /* GreaterThanToken */);
- }
- else {
- parseExpected(31 /* GreaterThanToken */, /*diagnostic*/ undefined, /*shouldAdvance*/ false);
- scanJsxText();
- }
- return finishNode(node);
- }
- function parseJsxClosingFragment(inExpressionContext) {
- var node = createNode(272 /* JsxClosingFragment */);
- parseExpected(30 /* LessThanSlashToken */);
- if (ts.tokenIsIdentifierOrKeyword(token())) {
- parseErrorAtRange(parseJsxElementName(), ts.Diagnostics.Expected_corresponding_closing_tag_for_JSX_fragment);
- }
- if (inExpressionContext) {
- parseExpected(31 /* GreaterThanToken */);
- }
- else {
- parseExpected(31 /* GreaterThanToken */, /*diagnostic*/ undefined, /*shouldAdvance*/ false);
- scanJsxText();
- }
- return finishNode(node);
- }
- function parseTypeAssertion() {
- var node = createNode(199 /* TypeAssertionExpression */);
- parseExpected(29 /* LessThanToken */);
- node.type = parseType();
- parseExpected(31 /* GreaterThanToken */);
- node.expression = parseSimpleUnaryExpression();
- return finishNode(node);
- }
- function nextTokenIsIdentifierOrKeywordOrOpenBracketOrTemplate() {
- nextToken();
- return ts.tokenIsIdentifierOrKeyword(token())
- || token() === 22 /* OpenBracketToken */
- || isTemplateStartOfTaggedTemplate();
- }
- function isStartOfOptionalPropertyOrElementAccessChain() {
- return token() === 28 /* QuestionDotToken */
- && lookAhead(nextTokenIsIdentifierOrKeywordOrOpenBracketOrTemplate);
- }
- function tryReparseOptionalChain(node) {
- if (node.flags & 32 /* OptionalChain */) {
- return true;
- }
- // check for an optional chain in a non-null expression
- if (ts.isNonNullExpression(node)) {
- var expr = node.expression;
- while (ts.isNonNullExpression(expr) && !(expr.flags & 32 /* OptionalChain */)) {
- expr = expr.expression;
- }
- if (expr.flags & 32 /* OptionalChain */) {
- // this is part of an optional chain. Walk down from `node` to `expression` and set the flag.
- while (ts.isNonNullExpression(node)) {
- node.flags |= 32 /* OptionalChain */;
- node = node.expression;
- }
- return true;
- }
- }
- return false;
- }
- function parsePropertyAccessExpressionRest(expression, questionDotToken) {
- var propertyAccess = createNode(194 /* PropertyAccessExpression */, expression.pos);
- propertyAccess.expression = expression;
- propertyAccess.questionDotToken = questionDotToken;
- propertyAccess.name = parseRightSideOfDot(/*allowIdentifierNames*/ true, /*allowPrivateIdentifiers*/ true);
- if (questionDotToken || tryReparseOptionalChain(expression)) {
- propertyAccess.flags |= 32 /* OptionalChain */;
- if (ts.isPrivateIdentifier(propertyAccess.name)) {
- parseErrorAtRange(propertyAccess.name, ts.Diagnostics.An_optional_chain_cannot_contain_private_identifiers);
- }
- }
- return finishNode(propertyAccess);
- }
- function parseElementAccessExpressionRest(expression, questionDotToken) {
- var indexedAccess = createNode(195 /* ElementAccessExpression */, expression.pos);
- indexedAccess.expression = expression;
- indexedAccess.questionDotToken = questionDotToken;
- if (token() === 23 /* CloseBracketToken */) {
- indexedAccess.argumentExpression = createMissingNode(75 /* Identifier */, /*reportAtCurrentPosition*/ true, ts.Diagnostics.An_element_access_expression_should_take_an_argument);
- }
- else {
- var argument = allowInAnd(parseExpression);
- if (ts.isStringOrNumericLiteralLike(argument)) {
- argument.text = internIdentifier(argument.text);
- }
- indexedAccess.argumentExpression = argument;
- }
- parseExpected(23 /* CloseBracketToken */);
- if (questionDotToken || tryReparseOptionalChain(expression)) {
- indexedAccess.flags |= 32 /* OptionalChain */;
- }
- return finishNode(indexedAccess);
- }
- function parseMemberExpressionRest(expression, allowOptionalChain) {
- while (true) {
- var questionDotToken = void 0;
- var isPropertyAccess = false;
- if (allowOptionalChain && isStartOfOptionalPropertyOrElementAccessChain()) {
- questionDotToken = parseExpectedToken(28 /* QuestionDotToken */);
- isPropertyAccess = ts.tokenIsIdentifierOrKeyword(token());
- }
- else {
- isPropertyAccess = parseOptional(24 /* DotToken */);
- }
- if (isPropertyAccess) {
- expression = parsePropertyAccessExpressionRest(expression, questionDotToken);
- continue;
- }
- if (!questionDotToken && token() === 53 /* ExclamationToken */ && !scanner.hasPrecedingLineBreak()) {
- nextToken();
- var nonNullExpression = createNode(218 /* NonNullExpression */, expression.pos);
- nonNullExpression.expression = expression;
- expression = finishNode(nonNullExpression);
- continue;
- }
- // when in the [Decorator] context, we do not parse ElementAccess as it could be part of a ComputedPropertyName
- if ((questionDotToken || !inDecoratorContext()) && parseOptional(22 /* OpenBracketToken */)) {
- expression = parseElementAccessExpressionRest(expression, questionDotToken);
- continue;
- }
- if (isTemplateStartOfTaggedTemplate()) {
- expression = parseTaggedTemplateRest(expression, questionDotToken, /*typeArguments*/ undefined);
- continue;
- }
- return expression;
- }
- }
- function isTemplateStartOfTaggedTemplate() {
- return token() === 14 /* NoSubstitutionTemplateLiteral */ || token() === 15 /* TemplateHead */;
- }
- function parseTaggedTemplateRest(tag, questionDotToken, typeArguments) {
- var tagExpression = createNode(198 /* TaggedTemplateExpression */, tag.pos);
- tagExpression.tag = tag;
- tagExpression.questionDotToken = questionDotToken;
- tagExpression.typeArguments = typeArguments;
- tagExpression.template = token() === 14 /* NoSubstitutionTemplateLiteral */
- ? (reScanTemplateHeadOrNoSubstitutionTemplate(), parseLiteralNode())
- : parseTemplateExpression(/*isTaggedTemplate*/ true);
- if (questionDotToken || tag.flags & 32 /* OptionalChain */) {
- tagExpression.flags |= 32 /* OptionalChain */;
- }
- return finishNode(tagExpression);
- }
- function parseCallExpressionRest(expression) {
- while (true) {
- expression = parseMemberExpressionRest(expression, /*allowOptionalChain*/ true);
- var questionDotToken = parseOptionalToken(28 /* QuestionDotToken */);
- // handle 'foo<<T>()'
- if (token() === 29 /* LessThanToken */ || token() === 47 /* LessThanLessThanToken */) {
- // See if this is the start of a generic invocation. If so, consume it and
- // keep checking for postfix expressions. Otherwise, it's just a '<' that's
- // part of an arithmetic expression. Break out so we consume it higher in the
- // stack.
- var typeArguments = tryParse(parseTypeArgumentsInExpression);
- if (typeArguments) {
- if (isTemplateStartOfTaggedTemplate()) {
- expression = parseTaggedTemplateRest(expression, questionDotToken, typeArguments);
- continue;
- }
- var callExpr = createNode(196 /* CallExpression */, expression.pos);
- callExpr.expression = expression;
- callExpr.questionDotToken = questionDotToken;
- callExpr.typeArguments = typeArguments;
- callExpr.arguments = parseArgumentList();
- if (questionDotToken || tryReparseOptionalChain(expression)) {
- callExpr.flags |= 32 /* OptionalChain */;
- }
- expression = finishNode(callExpr);
- continue;
- }
- }
- else if (token() === 20 /* OpenParenToken */) {
- var callExpr = createNode(196 /* CallExpression */, expression.pos);
- callExpr.expression = expression;
- callExpr.questionDotToken = questionDotToken;
- callExpr.arguments = parseArgumentList();
- if (questionDotToken || tryReparseOptionalChain(expression)) {
- callExpr.flags |= 32 /* OptionalChain */;
- }
- expression = finishNode(callExpr);
- continue;
- }
- if (questionDotToken) {
- // We failed to parse anything, so report a missing identifier here.
- var propertyAccess = createNode(194 /* PropertyAccessExpression */, expression.pos);
- propertyAccess.expression = expression;
- propertyAccess.questionDotToken = questionDotToken;
- propertyAccess.name = createMissingNode(75 /* Identifier */, /*reportAtCurrentPosition*/ false, ts.Diagnostics.Identifier_expected);
- propertyAccess.flags |= 32 /* OptionalChain */;
- expression = finishNode(propertyAccess);
- }
- break;
- }
- return expression;
- }
- function parseArgumentList() {
- parseExpected(20 /* OpenParenToken */);
- var result = parseDelimitedList(11 /* ArgumentExpressions */, parseArgumentExpression);
- parseExpected(21 /* CloseParenToken */);
- return result;
- }
- function parseTypeArgumentsInExpression() {
- if (reScanLessThanToken() !== 29 /* LessThanToken */) {
- return undefined;
- }
- nextToken();
- var typeArguments = parseDelimitedList(20 /* TypeArguments */, parseType);
- if (!parseExpected(31 /* GreaterThanToken */)) {
- // If it doesn't have the closing `>` then it's definitely not an type argument list.
- return undefined;
- }
- // If we have a '<', then only parse this as a argument list if the type arguments
- // are complete and we have an open paren. if we don't, rewind and return nothing.
- return typeArguments && canFollowTypeArgumentsInExpression()
- ? typeArguments
- : undefined;
- }
- function canFollowTypeArgumentsInExpression() {
- switch (token()) {
- case 20 /* OpenParenToken */: // foo<x>(
- case 14 /* NoSubstitutionTemplateLiteral */: // foo<T> `...`
- case 15 /* TemplateHead */: // foo<T> `...${100}...`
- // these are the only tokens can legally follow a type argument
- // list. So we definitely want to treat them as type arg lists.
- // falls through
- case 24 /* DotToken */: // foo<x>.
- case 21 /* CloseParenToken */: // foo<x>)
- case 23 /* CloseBracketToken */: // foo<x>]
- case 58 /* ColonToken */: // foo<x>:
- case 26 /* SemicolonToken */: // foo<x>;
- case 57 /* QuestionToken */: // foo<x>?
- case 34 /* EqualsEqualsToken */: // foo<x> ==
- case 36 /* EqualsEqualsEqualsToken */: // foo<x> ===
- case 35 /* ExclamationEqualsToken */: // foo<x> !=
- case 37 /* ExclamationEqualsEqualsToken */: // foo<x> !==
- case 55 /* AmpersandAmpersandToken */: // foo<x> &&
- case 56 /* BarBarToken */: // foo<x> ||
- case 60 /* QuestionQuestionToken */: // foo<x> ??
- case 52 /* CaretToken */: // foo<x> ^
- case 50 /* AmpersandToken */: // foo<x> &
- case 51 /* BarToken */: // foo<x> |
- case 19 /* CloseBraceToken */: // foo<x> }
- case 1 /* EndOfFileToken */: // foo<x>
- // these cases can't legally follow a type arg list. However, they're not legal
- // expressions either. The user is probably in the middle of a generic type. So
- // treat it as such.
- return true;
- case 27 /* CommaToken */: // foo<x>,
- case 18 /* OpenBraceToken */: // foo<x> {
- // We don't want to treat these as type arguments. Otherwise we'll parse this
- // as an invocation expression. Instead, we want to parse out the expression
- // in isolation from the type arguments.
- // falls through
- default:
- // Anything else treat as an expression.
- return false;
- }
- }
- function parsePrimaryExpression() {
- switch (token()) {
- case 8 /* NumericLiteral */:
- case 9 /* BigIntLiteral */:
- case 10 /* StringLiteral */:
- case 14 /* NoSubstitutionTemplateLiteral */:
- return parseLiteralNode();
- case 104 /* ThisKeyword */:
- case 102 /* SuperKeyword */:
- case 100 /* NullKeyword */:
- case 106 /* TrueKeyword */:
- case 91 /* FalseKeyword */:
- return parseTokenNode();
- case 20 /* OpenParenToken */:
- return parseParenthesizedExpression();
- case 22 /* OpenBracketToken */:
- return parseArrayLiteralExpression();
- case 18 /* OpenBraceToken */:
- return parseObjectLiteralExpression();
- case 126 /* AsyncKeyword */:
- // Async arrow functions are parsed earlier in parseAssignmentExpressionOrHigher.
- // If we encounter `async [no LineTerminator here] function` then this is an async
- // function; otherwise, its an identifier.
- if (!lookAhead(nextTokenIsFunctionKeywordOnSameLine)) {
- break;
- }
- return parseFunctionExpression();
- case 80 /* ClassKeyword */:
- return parseClassExpression();
- case 94 /* FunctionKeyword */:
- return parseFunctionExpression();
- case 99 /* NewKeyword */:
- return parseNewExpressionOrNewDotTarget();
- case 43 /* SlashToken */:
- case 67 /* SlashEqualsToken */:
- if (reScanSlashToken() === 13 /* RegularExpressionLiteral */) {
- return parseLiteralNode();
- }
- break;
- case 15 /* TemplateHead */:
- return parseTemplateExpression(/* isTaggedTemplate */ false);
- }
- return parseIdentifier(ts.Diagnostics.Expression_expected);
- }
- function parseParenthesizedExpression() {
- var node = createNodeWithJSDoc(200 /* ParenthesizedExpression */);
- parseExpected(20 /* OpenParenToken */);
- node.expression = allowInAnd(parseExpression);
- parseExpected(21 /* CloseParenToken */);
- return finishNode(node);
- }
- function parseSpreadElement() {
- var node = createNode(213 /* SpreadElement */);
- parseExpected(25 /* DotDotDotToken */);
- node.expression = parseAssignmentExpressionOrHigher();
- return finishNode(node);
- }
- function parseArgumentOrArrayLiteralElement() {
- return token() === 25 /* DotDotDotToken */ ? parseSpreadElement() :
- token() === 27 /* CommaToken */ ? createNode(215 /* OmittedExpression */) :
- parseAssignmentExpressionOrHigher();
- }
- function parseArgumentExpression() {
- return doOutsideOfContext(disallowInAndDecoratorContext, parseArgumentOrArrayLiteralElement);
- }
- function parseArrayLiteralExpression() {
- var node = createNode(192 /* ArrayLiteralExpression */);
- parseExpected(22 /* OpenBracketToken */);
- if (scanner.hasPrecedingLineBreak()) {
- node.multiLine = true;
- }
- node.elements = parseDelimitedList(15 /* ArrayLiteralMembers */, parseArgumentOrArrayLiteralElement);
- parseExpected(23 /* CloseBracketToken */);
- return finishNode(node);
- }
- function parseObjectLiteralElement() {
- var node = createNodeWithJSDoc(0 /* Unknown */);
- if (parseOptionalToken(25 /* DotDotDotToken */)) {
- node.kind = 283 /* SpreadAssignment */;
- node.expression = parseAssignmentExpressionOrHigher();
- return finishNode(node);
- }
- node.decorators = parseDecorators();
- node.modifiers = parseModifiers();
- if (parseContextualModifier(131 /* GetKeyword */)) {
- return parseAccessorDeclaration(node, 163 /* GetAccessor */);
- }
- if (parseContextualModifier(142 /* SetKeyword */)) {
- return parseAccessorDeclaration(node, 164 /* SetAccessor */);
- }
- var asteriskToken = parseOptionalToken(41 /* AsteriskToken */);
- var tokenIsIdentifier = isIdentifier();
- node.name = parsePropertyName();
- // Disallowing of optional property assignments and definite assignment assertion happens in the grammar checker.
- node.questionToken = parseOptionalToken(57 /* QuestionToken */);
- node.exclamationToken = parseOptionalToken(53 /* ExclamationToken */);
- if (asteriskToken || token() === 20 /* OpenParenToken */ || token() === 29 /* LessThanToken */) {
- return parseMethodDeclaration(node, asteriskToken);
- }
- // check if it is short-hand property assignment or normal property assignment
- // NOTE: if token is EqualsToken it is interpreted as CoverInitializedName production
- // CoverInitializedName[Yield] :
- // IdentifierReference[?Yield] Initializer[In, ?Yield]
- // this is necessary because ObjectLiteral productions are also used to cover grammar for ObjectAssignmentPattern
- var isShorthandPropertyAssignment = tokenIsIdentifier && (token() !== 58 /* ColonToken */);
- if (isShorthandPropertyAssignment) {
- node.kind = 282 /* ShorthandPropertyAssignment */;
- var equalsToken = parseOptionalToken(62 /* EqualsToken */);
- if (equalsToken) {
- node.equalsToken = equalsToken;
- node.objectAssignmentInitializer = allowInAnd(parseAssignmentExpressionOrHigher);
- }
- }
- else {
- node.kind = 281 /* PropertyAssignment */;
- parseExpected(58 /* ColonToken */);
- node.initializer = allowInAnd(parseAssignmentExpressionOrHigher);
- }
- return finishNode(node);
- }
- function parseObjectLiteralExpression() {
- var node = createNode(193 /* ObjectLiteralExpression */);
- var openBracePosition = scanner.getTokenPos();
- parseExpected(18 /* OpenBraceToken */);
- if (scanner.hasPrecedingLineBreak()) {
- node.multiLine = true;
- }
- node.properties = parseDelimitedList(12 /* ObjectLiteralMembers */, parseObjectLiteralElement, /*considerSemicolonAsDelimiter*/ true);
- if (!parseExpected(19 /* CloseBraceToken */)) {
- var lastError = ts.lastOrUndefined(parseDiagnostics);
- if (lastError && lastError.code === ts.Diagnostics._0_expected.code) {
- ts.addRelatedInfo(lastError, ts.createFileDiagnostic(sourceFile, openBracePosition, 1, ts.Diagnostics.The_parser_expected_to_find_a_to_match_the_token_here));
- }
- }
- return finishNode(node);
- }
- function parseFunctionExpression() {
- // GeneratorExpression:
- // function* BindingIdentifier [Yield][opt](FormalParameters[Yield]){ GeneratorBody }
- //
- // FunctionExpression:
- // function BindingIdentifier[opt](FormalParameters){ FunctionBody }
- var saveDecoratorContext = inDecoratorContext();
- if (saveDecoratorContext) {
- setDecoratorContext(/*val*/ false);
- }
- var node = createNodeWithJSDoc(201 /* FunctionExpression */);
- node.modifiers = parseModifiers();
- parseExpected(94 /* FunctionKeyword */);
- node.asteriskToken = parseOptionalToken(41 /* AsteriskToken */);
- var isGenerator = node.asteriskToken ? 1 /* Yield */ : 0 /* None */;
- var isAsync = hasModifierOfKind(node, 126 /* AsyncKeyword */) ? 2 /* Await */ : 0 /* None */;
- node.name =
- isGenerator && isAsync ? doInYieldAndAwaitContext(parseOptionalIdentifier) :
- isGenerator ? doInYieldContext(parseOptionalIdentifier) :
- isAsync ? doInAwaitContext(parseOptionalIdentifier) :
- parseOptionalIdentifier();
- fillSignature(58 /* ColonToken */, isGenerator | isAsync, node);
- node.body = parseFunctionBlock(isGenerator | isAsync);
- if (saveDecoratorContext) {
- setDecoratorContext(/*val*/ true);
- }
- return finishNode(node);
- }
- function parseOptionalIdentifier() {
- return isIdentifier() ? parseIdentifier() : undefined;
- }
- function parseNewExpressionOrNewDotTarget() {
- var fullStart = scanner.getStartPos();
- parseExpected(99 /* NewKeyword */);
- if (parseOptional(24 /* DotToken */)) {
- var node_2 = createNode(219 /* MetaProperty */, fullStart);
- node_2.keywordToken = 99 /* NewKeyword */;
- node_2.name = parseIdentifierName();
- return finishNode(node_2);
- }
- var expression = parsePrimaryExpression();
- var typeArguments;
- while (true) {
- expression = parseMemberExpressionRest(expression, /*allowOptionalChain*/ false);
- typeArguments = tryParse(parseTypeArgumentsInExpression);
- if (isTemplateStartOfTaggedTemplate()) {
- ts.Debug.assert(!!typeArguments, "Expected a type argument list; all plain tagged template starts should be consumed in 'parseMemberExpressionRest'");
- expression = parseTaggedTemplateRest(expression, /*optionalChain*/ undefined, typeArguments);
- typeArguments = undefined;
- }
- break;
- }
- var node = createNode(197 /* NewExpression */, fullStart);
- node.expression = expression;
- node.typeArguments = typeArguments;
- if (token() === 20 /* OpenParenToken */) {
- node.arguments = parseArgumentList();
- }
- else if (node.typeArguments) {
- parseErrorAt(fullStart, scanner.getStartPos(), ts.Diagnostics.A_new_expression_with_type_arguments_must_always_be_followed_by_a_parenthesized_argument_list);
- }
- return finishNode(node);
- }
- // STATEMENTS
- function parseBlock(ignoreMissingOpenBrace, diagnosticMessage) {
- var node = createNode(223 /* Block */);
- var openBracePosition = scanner.getTokenPos();
- if (parseExpected(18 /* OpenBraceToken */, diagnosticMessage) || ignoreMissingOpenBrace) {
- if (scanner.hasPrecedingLineBreak()) {
- node.multiLine = true;
- }
- node.statements = parseList(1 /* BlockStatements */, parseStatement);
- if (!parseExpected(19 /* CloseBraceToken */)) {
- var lastError = ts.lastOrUndefined(parseDiagnostics);
- if (lastError && lastError.code === ts.Diagnostics._0_expected.code) {
- ts.addRelatedInfo(lastError, ts.createFileDiagnostic(sourceFile, openBracePosition, 1, ts.Diagnostics.The_parser_expected_to_find_a_to_match_the_token_here));
- }
- }
- }
- else {
- node.statements = createMissingList();
- }
- return finishNode(node);
- }
- function parseFunctionBlock(flags, diagnosticMessage) {
- var savedYieldContext = inYieldContext();
- setYieldContext(!!(flags & 1 /* Yield */));
- var savedAwaitContext = inAwaitContext();
- setAwaitContext(!!(flags & 2 /* Await */));
- // We may be in a [Decorator] context when parsing a function expression or
- // arrow function. The body of the function is not in [Decorator] context.
- var saveDecoratorContext = inDecoratorContext();
- if (saveDecoratorContext) {
- setDecoratorContext(/*val*/ false);
- }
- var block = parseBlock(!!(flags & 16 /* IgnoreMissingOpenBrace */), diagnosticMessage);
- if (saveDecoratorContext) {
- setDecoratorContext(/*val*/ true);
- }
- setYieldContext(savedYieldContext);
- setAwaitContext(savedAwaitContext);
- return block;
- }
- function parseEmptyStatement() {
- var node = createNode(224 /* EmptyStatement */);
- parseExpected(26 /* SemicolonToken */);
- return finishNode(node);
- }
- function parseIfStatement() {
- var node = createNode(227 /* IfStatement */);
- parseExpected(95 /* IfKeyword */);
- parseExpected(20 /* OpenParenToken */);
- node.expression = allowInAnd(parseExpression);
- parseExpected(21 /* CloseParenToken */);
- node.thenStatement = parseStatement();
- node.elseStatement = parseOptional(87 /* ElseKeyword */) ? parseStatement() : undefined;
- return finishNode(node);
- }
- function parseDoStatement() {
- var node = createNode(228 /* DoStatement */);
- parseExpected(86 /* DoKeyword */);
- node.statement = parseStatement();
- parseExpected(111 /* WhileKeyword */);
- parseExpected(20 /* OpenParenToken */);
- node.expression = allowInAnd(parseExpression);
- parseExpected(21 /* CloseParenToken */);
- // From: https://mail.mozilla.org/pipermail/es-discuss/2011-August/016188.html
- // 157 min --- All allen at wirfs-brock.com CONF --- "do{;}while(false)false" prohibited in
- // spec but allowed in consensus reality. Approved -- this is the de-facto standard whereby
- // do;while(0)x will have a semicolon inserted before x.
- parseOptional(26 /* SemicolonToken */);
- return finishNode(node);
- }
- function parseWhileStatement() {
- var node = createNode(229 /* WhileStatement */);
- parseExpected(111 /* WhileKeyword */);
- parseExpected(20 /* OpenParenToken */);
- node.expression = allowInAnd(parseExpression);
- parseExpected(21 /* CloseParenToken */);
- node.statement = parseStatement();
- return finishNode(node);
- }
- function parseForOrForInOrForOfStatement() {
- var pos = getNodePos();
- parseExpected(93 /* ForKeyword */);
- var awaitToken = parseOptionalToken(127 /* AwaitKeyword */);
- parseExpected(20 /* OpenParenToken */);
- var initializer;
- if (token() !== 26 /* SemicolonToken */) {
- if (token() === 109 /* VarKeyword */ || token() === 115 /* LetKeyword */ || token() === 81 /* ConstKeyword */) {
- initializer = parseVariableDeclarationList(/*inForStatementInitializer*/ true);
- }
- else {
- initializer = disallowInAnd(parseExpression);
- }
- }
- var forOrForInOrForOfStatement;
- if (awaitToken ? parseExpected(152 /* OfKeyword */) : parseOptional(152 /* OfKeyword */)) {
- var forOfStatement = createNode(232 /* ForOfStatement */, pos);
- forOfStatement.awaitModifier = awaitToken;
- forOfStatement.initializer = initializer;
- forOfStatement.expression = allowInAnd(parseAssignmentExpressionOrHigher);
- parseExpected(21 /* CloseParenToken */);
- forOrForInOrForOfStatement = forOfStatement;
- }
- else if (parseOptional(97 /* InKeyword */)) {
- var forInStatement = createNode(231 /* ForInStatement */, pos);
- forInStatement.initializer = initializer;
- forInStatement.expression = allowInAnd(parseExpression);
- parseExpected(21 /* CloseParenToken */);
- forOrForInOrForOfStatement = forInStatement;
- }
- else {
- var forStatement = createNode(230 /* ForStatement */, pos);
- forStatement.initializer = initializer;
- parseExpected(26 /* SemicolonToken */);
- if (token() !== 26 /* SemicolonToken */ && token() !== 21 /* CloseParenToken */) {
- forStatement.condition = allowInAnd(parseExpression);
- }
- parseExpected(26 /* SemicolonToken */);
- if (token() !== 21 /* CloseParenToken */) {
- forStatement.incrementor = allowInAnd(parseExpression);
- }
- parseExpected(21 /* CloseParenToken */);
- forOrForInOrForOfStatement = forStatement;
- }
- forOrForInOrForOfStatement.statement = parseStatement();
- return finishNode(forOrForInOrForOfStatement);
- }
- function parseBreakOrContinueStatement(kind) {
- var node = createNode(kind);
- parseExpected(kind === 234 /* BreakStatement */ ? 77 /* BreakKeyword */ : 82 /* ContinueKeyword */);
- if (!canParseSemicolon()) {
- node.label = parseIdentifier();
- }
- parseSemicolon();
- return finishNode(node);
- }
- function parseReturnStatement() {
- var node = createNode(235 /* ReturnStatement */);
- parseExpected(101 /* ReturnKeyword */);
- if (!canParseSemicolon()) {
- node.expression = allowInAnd(parseExpression);
- }
- parseSemicolon();
- return finishNode(node);
- }
- function parseWithStatement() {
- var node = createNode(236 /* WithStatement */);
- parseExpected(112 /* WithKeyword */);
- parseExpected(20 /* OpenParenToken */);
- node.expression = allowInAnd(parseExpression);
- parseExpected(21 /* CloseParenToken */);
- node.statement = doInsideOfContext(16777216 /* InWithStatement */, parseStatement);
- return finishNode(node);
- }
- function parseCaseClause() {
- var node = createNode(277 /* CaseClause */);
- parseExpected(78 /* CaseKeyword */);
- node.expression = allowInAnd(parseExpression);
- parseExpected(58 /* ColonToken */);
- node.statements = parseList(3 /* SwitchClauseStatements */, parseStatement);
- return finishNode(node);
- }
- function parseDefaultClause() {
- var node = createNode(278 /* DefaultClause */);
- parseExpected(84 /* DefaultKeyword */);
- parseExpected(58 /* ColonToken */);
- node.statements = parseList(3 /* SwitchClauseStatements */, parseStatement);
- return finishNode(node);
- }
- function parseCaseOrDefaultClause() {
- return token() === 78 /* CaseKeyword */ ? parseCaseClause() : parseDefaultClause();
- }
- function parseSwitchStatement() {
- var node = createNode(237 /* SwitchStatement */);
- parseExpected(103 /* SwitchKeyword */);
- parseExpected(20 /* OpenParenToken */);
- node.expression = allowInAnd(parseExpression);
- parseExpected(21 /* CloseParenToken */);
- var caseBlock = createNode(251 /* CaseBlock */);
- parseExpected(18 /* OpenBraceToken */);
- caseBlock.clauses = parseList(2 /* SwitchClauses */, parseCaseOrDefaultClause);
- parseExpected(19 /* CloseBraceToken */);
- node.caseBlock = finishNode(caseBlock);
- return finishNode(node);
- }
- function parseThrowStatement() {
- // ThrowStatement[Yield] :
- // throw [no LineTerminator here]Expression[In, ?Yield];
- // Because of automatic semicolon insertion, we need to report error if this
- // throw could be terminated with a semicolon. Note: we can't call 'parseExpression'
- // directly as that might consume an expression on the following line.
- // We just return 'undefined' in that case. The actual error will be reported in the
- // grammar walker.
- var node = createNode(239 /* ThrowStatement */);
- parseExpected(105 /* ThrowKeyword */);
- node.expression = scanner.hasPrecedingLineBreak() ? undefined : allowInAnd(parseExpression);
- parseSemicolon();
- return finishNode(node);
- }
- // TODO: Review for error recovery
- function parseTryStatement() {
- var node = createNode(240 /* TryStatement */);
- parseExpected(107 /* TryKeyword */);
- node.tryBlock = parseBlock(/*ignoreMissingOpenBrace*/ false);
- node.catchClause = token() === 79 /* CatchKeyword */ ? parseCatchClause() : undefined;
- // If we don't have a catch clause, then we must have a finally clause. Try to parse
- // one out no matter what.
- if (!node.catchClause || token() === 92 /* FinallyKeyword */) {
- parseExpected(92 /* FinallyKeyword */);
- node.finallyBlock = parseBlock(/*ignoreMissingOpenBrace*/ false);
- }
- return finishNode(node);
- }
- function parseCatchClause() {
- var result = createNode(280 /* CatchClause */);
- parseExpected(79 /* CatchKeyword */);
- if (parseOptional(20 /* OpenParenToken */)) {
- result.variableDeclaration = parseVariableDeclaration();
- parseExpected(21 /* CloseParenToken */);
- }
- else {
- // Keep shape of node to avoid degrading performance.
- result.variableDeclaration = undefined;
- }
- result.block = parseBlock(/*ignoreMissingOpenBrace*/ false);
- return finishNode(result);
- }
- function parseDebuggerStatement() {
- var node = createNode(241 /* DebuggerStatement */);
- parseExpected(83 /* DebuggerKeyword */);
- parseSemicolon();
- return finishNode(node);
- }
- function parseExpressionOrLabeledStatement() {
- // Avoiding having to do the lookahead for a labeled statement by just trying to parse
- // out an expression, seeing if it is identifier and then seeing if it is followed by
- // a colon.
- var node = createNodeWithJSDoc(token() === 75 /* Identifier */ ? 0 /* Unknown */ : 226 /* ExpressionStatement */);
- var expression = allowInAnd(parseExpression);
- if (expression.kind === 75 /* Identifier */ && parseOptional(58 /* ColonToken */)) {
- node.kind = 238 /* LabeledStatement */;
- node.label = expression;
- node.statement = parseStatement();
- }
- else {
- node.kind = 226 /* ExpressionStatement */;
- node.expression = expression;
- parseSemicolon();
- }
- return finishNode(node);
- }
- function nextTokenIsIdentifierOrKeywordOnSameLine() {
- nextToken();
- return ts.tokenIsIdentifierOrKeyword(token()) && !scanner.hasPrecedingLineBreak();
- }
- function nextTokenIsClassKeywordOnSameLine() {
- nextToken();
- return token() === 80 /* ClassKeyword */ && !scanner.hasPrecedingLineBreak();
- }
- function nextTokenIsFunctionKeywordOnSameLine() {
- nextToken();
- return token() === 94 /* FunctionKeyword */ && !scanner.hasPrecedingLineBreak();
- }
- function nextTokenIsIdentifierOrKeywordOrLiteralOnSameLine() {
- nextToken();
- return (ts.tokenIsIdentifierOrKeyword(token()) || token() === 8 /* NumericLiteral */ || token() === 9 /* BigIntLiteral */ || token() === 10 /* StringLiteral */) && !scanner.hasPrecedingLineBreak();
- }
- function isDeclaration() {
- while (true) {
- switch (token()) {
- case 109 /* VarKeyword */:
- case 115 /* LetKeyword */:
- case 81 /* ConstKeyword */:
- case 94 /* FunctionKeyword */:
- case 80 /* ClassKeyword */:
- case 88 /* EnumKeyword */:
- return true;
- // 'declare', 'module', 'namespace', 'interface'* and 'type' are all legal JavaScript identifiers;
- // however, an identifier cannot be followed by another identifier on the same line. This is what we
- // count on to parse out the respective declarations. For instance, we exploit this to say that
- //
- // namespace n
- //
- // can be none other than the beginning of a namespace declaration, but need to respect that JavaScript sees
- //
- // namespace
- // n
- //
- // as the identifier 'namespace' on one line followed by the identifier 'n' on another.
- // We need to look one token ahead to see if it permissible to try parsing a declaration.
- //
- // *Note*: 'interface' is actually a strict mode reserved word. So while
- //
- // "use strict"
- // interface
- // I {}
- //
- // could be legal, it would add complexity for very little gain.
- case 114 /* InterfaceKeyword */:
- case 145 /* TypeKeyword */:
- return nextTokenIsIdentifierOnSameLine();
- case 135 /* ModuleKeyword */:
- case 136 /* NamespaceKeyword */:
- return nextTokenIsIdentifierOrStringLiteralOnSameLine();
- case 122 /* AbstractKeyword */:
- case 126 /* AsyncKeyword */:
- case 130 /* DeclareKeyword */:
- case 117 /* PrivateKeyword */:
- case 118 /* ProtectedKeyword */:
- case 119 /* PublicKeyword */:
- case 138 /* ReadonlyKeyword */:
- nextToken();
- // ASI takes effect for this modifier.
- if (scanner.hasPrecedingLineBreak()) {
- return false;
- }
- continue;
- case 150 /* GlobalKeyword */:
- nextToken();
- return token() === 18 /* OpenBraceToken */ || token() === 75 /* Identifier */ || token() === 89 /* ExportKeyword */;
- case 96 /* ImportKeyword */:
- nextToken();
- return token() === 10 /* StringLiteral */ || token() === 41 /* AsteriskToken */ ||
- token() === 18 /* OpenBraceToken */ || ts.tokenIsIdentifierOrKeyword(token());
- case 89 /* ExportKeyword */:
- var currentToken_1 = nextToken();
- if (currentToken_1 === 145 /* TypeKeyword */) {
- currentToken_1 = lookAhead(nextToken);
- }
- if (currentToken_1 === 62 /* EqualsToken */ || currentToken_1 === 41 /* AsteriskToken */ ||
- currentToken_1 === 18 /* OpenBraceToken */ || currentToken_1 === 84 /* DefaultKeyword */ ||
- currentToken_1 === 123 /* AsKeyword */) {
- return true;
- }
- continue;
- case 120 /* StaticKeyword */:
- nextToken();
- continue;
- default:
- return false;
- }
- }
- }
- function isStartOfDeclaration() {
- return lookAhead(isDeclaration);
- }
- function isStartOfStatement() {
- switch (token()) {
- case 59 /* AtToken */:
- case 26 /* SemicolonToken */:
- case 18 /* OpenBraceToken */:
- case 109 /* VarKeyword */:
- case 115 /* LetKeyword */:
- case 94 /* FunctionKeyword */:
- case 80 /* ClassKeyword */:
- case 88 /* EnumKeyword */:
- case 95 /* IfKeyword */:
- case 86 /* DoKeyword */:
- case 111 /* WhileKeyword */:
- case 93 /* ForKeyword */:
- case 82 /* ContinueKeyword */:
- case 77 /* BreakKeyword */:
- case 101 /* ReturnKeyword */:
- case 112 /* WithKeyword */:
- case 103 /* SwitchKeyword */:
- case 105 /* ThrowKeyword */:
- case 107 /* TryKeyword */:
- case 83 /* DebuggerKeyword */:
- // 'catch' and 'finally' do not actually indicate that the code is part of a statement,
- // however, we say they are here so that we may gracefully parse them and error later.
- // falls through
- case 79 /* CatchKeyword */:
- case 92 /* FinallyKeyword */:
- return true;
- case 96 /* ImportKeyword */:
- return isStartOfDeclaration() || lookAhead(nextTokenIsOpenParenOrLessThanOrDot);
- case 81 /* ConstKeyword */:
- case 89 /* ExportKeyword */:
- return isStartOfDeclaration();
- case 126 /* AsyncKeyword */:
- case 130 /* DeclareKeyword */:
- case 114 /* InterfaceKeyword */:
- case 135 /* ModuleKeyword */:
- case 136 /* NamespaceKeyword */:
- case 145 /* TypeKeyword */:
- case 150 /* GlobalKeyword */:
- // When these don't start a declaration, they're an identifier in an expression statement
- return true;
- case 119 /* PublicKeyword */:
- case 117 /* PrivateKeyword */:
- case 118 /* ProtectedKeyword */:
- case 120 /* StaticKeyword */:
- case 138 /* ReadonlyKeyword */:
- // When these don't start a declaration, they may be the start of a class member if an identifier
- // immediately follows. Otherwise they're an identifier in an expression statement.
- return isStartOfDeclaration() || !lookAhead(nextTokenIsIdentifierOrKeywordOnSameLine);
- default:
- return isStartOfExpression();
- }
- }
- function nextTokenIsIdentifierOrStartOfDestructuring() {
- nextToken();
- return isIdentifier() || token() === 18 /* OpenBraceToken */ || token() === 22 /* OpenBracketToken */;
- }
- function isLetDeclaration() {
- // In ES6 'let' always starts a lexical declaration if followed by an identifier or {
- // or [.
- return lookAhead(nextTokenIsIdentifierOrStartOfDestructuring);
- }
- function parseStatement() {
- switch (token()) {
- case 26 /* SemicolonToken */:
- return parseEmptyStatement();
- case 18 /* OpenBraceToken */:
- return parseBlock(/*ignoreMissingOpenBrace*/ false);
- case 109 /* VarKeyword */:
- return parseVariableStatement(createNodeWithJSDoc(242 /* VariableDeclaration */));
- case 115 /* LetKeyword */:
- if (isLetDeclaration()) {
- return parseVariableStatement(createNodeWithJSDoc(242 /* VariableDeclaration */));
- }
- break;
- case 94 /* FunctionKeyword */:
- return parseFunctionDeclaration(createNodeWithJSDoc(244 /* FunctionDeclaration */));
- case 80 /* ClassKeyword */:
- return parseClassDeclaration(createNodeWithJSDoc(245 /* ClassDeclaration */));
- case 95 /* IfKeyword */:
- return parseIfStatement();
- case 86 /* DoKeyword */:
- return parseDoStatement();
- case 111 /* WhileKeyword */:
- return parseWhileStatement();
- case 93 /* ForKeyword */:
- return parseForOrForInOrForOfStatement();
- case 82 /* ContinueKeyword */:
- return parseBreakOrContinueStatement(233 /* ContinueStatement */);
- case 77 /* BreakKeyword */:
- return parseBreakOrContinueStatement(234 /* BreakStatement */);
- case 101 /* ReturnKeyword */:
- return parseReturnStatement();
- case 112 /* WithKeyword */:
- return parseWithStatement();
- case 103 /* SwitchKeyword */:
- return parseSwitchStatement();
- case 105 /* ThrowKeyword */:
- return parseThrowStatement();
- case 107 /* TryKeyword */:
- // Include 'catch' and 'finally' for error recovery.
- // falls through
- case 79 /* CatchKeyword */:
- case 92 /* FinallyKeyword */:
- return parseTryStatement();
- case 83 /* DebuggerKeyword */:
- return parseDebuggerStatement();
- case 59 /* AtToken */:
- return parseDeclaration();
- case 126 /* AsyncKeyword */:
- case 114 /* InterfaceKeyword */:
- case 145 /* TypeKeyword */:
- case 135 /* ModuleKeyword */:
- case 136 /* NamespaceKeyword */:
- case 130 /* DeclareKeyword */:
- case 81 /* ConstKeyword */:
- case 88 /* EnumKeyword */:
- case 89 /* ExportKeyword */:
- case 96 /* ImportKeyword */:
- case 117 /* PrivateKeyword */:
- case 118 /* ProtectedKeyword */:
- case 119 /* PublicKeyword */:
- case 122 /* AbstractKeyword */:
- case 120 /* StaticKeyword */:
- case 138 /* ReadonlyKeyword */:
- case 150 /* GlobalKeyword */:
- if (isStartOfDeclaration()) {
- return parseDeclaration();
- }
- break;
- }
- return parseExpressionOrLabeledStatement();
- }
- function isDeclareModifier(modifier) {
- return modifier.kind === 130 /* DeclareKeyword */;
- }
- function parseDeclaration() {
- var modifiers = lookAhead(function () { return (parseDecorators(), parseModifiers()); });
- // `parseListElement` attempted to get the reused node at this position,
- // but the ambient context flag was not yet set, so the node appeared
- // not reusable in that context.
- var isAmbient = ts.some(modifiers, isDeclareModifier);
- if (isAmbient) {
- var node_3 = tryReuseAmbientDeclaration();
- if (node_3) {
- return node_3;
- }
- }
- var node = createNodeWithJSDoc(0 /* Unknown */);
- node.decorators = parseDecorators();
- node.modifiers = parseModifiers();
- if (isAmbient) {
- for (var _i = 0, _a = node.modifiers; _i < _a.length; _i++) {
- var m = _a[_i];
- m.flags |= 8388608 /* Ambient */;
- }
- return doInsideOfContext(8388608 /* Ambient */, function () { return parseDeclarationWorker(node); });
- }
- else {
- return parseDeclarationWorker(node);
- }
- }
- function tryReuseAmbientDeclaration() {
- return doInsideOfContext(8388608 /* Ambient */, function () {
- var node = currentNode(parsingContext);
- if (node) {
- return consumeNode(node);
- }
- });
- }
- function parseDeclarationWorker(node) {
- switch (token()) {
- case 109 /* VarKeyword */:
- case 115 /* LetKeyword */:
- case 81 /* ConstKeyword */:
- return parseVariableStatement(node);
- case 94 /* FunctionKeyword */:
- return parseFunctionDeclaration(node);
- case 80 /* ClassKeyword */:
- return parseClassDeclaration(node);
- case 114 /* InterfaceKeyword */:
- return parseInterfaceDeclaration(node);
- case 145 /* TypeKeyword */:
- return parseTypeAliasDeclaration(node);
- case 88 /* EnumKeyword */:
- return parseEnumDeclaration(node);
- case 150 /* GlobalKeyword */:
- case 135 /* ModuleKeyword */:
- case 136 /* NamespaceKeyword */:
- return parseModuleDeclaration(node);
- case 96 /* ImportKeyword */:
- return parseImportDeclarationOrImportEqualsDeclaration(node);
- case 89 /* ExportKeyword */:
- nextToken();
- switch (token()) {
- case 84 /* DefaultKeyword */:
- case 62 /* EqualsToken */:
- return parseExportAssignment(node);
- case 123 /* AsKeyword */:
- return parseNamespaceExportDeclaration(node);
- default:
- return parseExportDeclaration(node);
- }
- default:
- if (node.decorators || node.modifiers) {
- // We reached this point because we encountered decorators and/or modifiers and assumed a declaration
- // would follow. For recovery and error reporting purposes, return an incomplete declaration.
- var missing = createMissingNode(264 /* MissingDeclaration */, /*reportAtCurrentPosition*/ true, ts.Diagnostics.Declaration_expected);
- missing.pos = node.pos;
- missing.decorators = node.decorators;
- missing.modifiers = node.modifiers;
- return finishNode(missing);
- }
- return undefined; // TODO: GH#18217
- }
- }
- function nextTokenIsIdentifierOrStringLiteralOnSameLine() {
- nextToken();
- return !scanner.hasPrecedingLineBreak() && (isIdentifier() || token() === 10 /* StringLiteral */);
- }
- function parseFunctionBlockOrSemicolon(flags, diagnosticMessage) {
- if (token() !== 18 /* OpenBraceToken */ && canParseSemicolon()) {
- parseSemicolon();
- return;
- }
- return parseFunctionBlock(flags, diagnosticMessage);
- }
- // DECLARATIONS
- function parseArrayBindingElement() {
- if (token() === 27 /* CommaToken */) {
- return createNode(215 /* OmittedExpression */);
- }
- var node = createNode(191 /* BindingElement */);
- node.dotDotDotToken = parseOptionalToken(25 /* DotDotDotToken */);
- node.name = parseIdentifierOrPattern();
- node.initializer = parseInitializer();
- return finishNode(node);
- }
- function parseObjectBindingElement() {
- var node = createNode(191 /* BindingElement */);
- node.dotDotDotToken = parseOptionalToken(25 /* DotDotDotToken */);
- var tokenIsIdentifier = isIdentifier();
- var propertyName = parsePropertyName();
- if (tokenIsIdentifier && token() !== 58 /* ColonToken */) {
- node.name = propertyName;
- }
- else {
- parseExpected(58 /* ColonToken */);
- node.propertyName = propertyName;
- node.name = parseIdentifierOrPattern();
- }
- node.initializer = parseInitializer();
- return finishNode(node);
- }
- function parseObjectBindingPattern() {
- var node = createNode(189 /* ObjectBindingPattern */);
- parseExpected(18 /* OpenBraceToken */);
- node.elements = parseDelimitedList(9 /* ObjectBindingElements */, parseObjectBindingElement);
- parseExpected(19 /* CloseBraceToken */);
- return finishNode(node);
- }
- function parseArrayBindingPattern() {
- var node = createNode(190 /* ArrayBindingPattern */);
- parseExpected(22 /* OpenBracketToken */);
- node.elements = parseDelimitedList(10 /* ArrayBindingElements */, parseArrayBindingElement);
- parseExpected(23 /* CloseBracketToken */);
- return finishNode(node);
- }
- function isIdentifierOrPrivateIdentifierOrPattern() {
- return token() === 18 /* OpenBraceToken */
- || token() === 22 /* OpenBracketToken */
- || token() === 76 /* PrivateIdentifier */
- || isIdentifier();
- }
- function parseIdentifierOrPattern(privateIdentifierDiagnosticMessage) {
- if (token() === 22 /* OpenBracketToken */) {
- return parseArrayBindingPattern();
- }
- if (token() === 18 /* OpenBraceToken */) {
- return parseObjectBindingPattern();
- }
- return parseIdentifier(/*diagnosticMessage*/ undefined, privateIdentifierDiagnosticMessage);
- }
- function parseVariableDeclarationAllowExclamation() {
- return parseVariableDeclaration(/*allowExclamation*/ true);
- }
- function parseVariableDeclaration(allowExclamation) {
- var node = createNode(242 /* VariableDeclaration */);
- node.name = parseIdentifierOrPattern(ts.Diagnostics.Private_identifiers_are_not_allowed_in_variable_declarations);
- if (allowExclamation && node.name.kind === 75 /* Identifier */ &&
- token() === 53 /* ExclamationToken */ && !scanner.hasPrecedingLineBreak()) {
- node.exclamationToken = parseTokenNode();
- }
- node.type = parseTypeAnnotation();
- if (!isInOrOfKeyword(token())) {
- node.initializer = parseInitializer();
- }
- return finishNode(node);
- }
- function parseVariableDeclarationList(inForStatementInitializer) {
- var node = createNode(243 /* VariableDeclarationList */);
- switch (token()) {
- case 109 /* VarKeyword */:
- break;
- case 115 /* LetKeyword */:
- node.flags |= 1 /* Let */;
- break;
- case 81 /* ConstKeyword */:
- node.flags |= 2 /* Const */;
- break;
- default:
- ts.Debug.fail();
- }
- nextToken();
- // The user may have written the following:
- //
- // for (let of X) { }
- //
- // In this case, we want to parse an empty declaration list, and then parse 'of'
- // as a keyword. The reason this is not automatic is that 'of' is a valid identifier.
- // So we need to look ahead to determine if 'of' should be treated as a keyword in
- // this context.
- // The checker will then give an error that there is an empty declaration list.
- if (token() === 152 /* OfKeyword */ && lookAhead(canFollowContextualOfKeyword)) {
- node.declarations = createMissingList();
- }
- else {
- var savedDisallowIn = inDisallowInContext();
- setDisallowInContext(inForStatementInitializer);
- node.declarations = parseDelimitedList(8 /* VariableDeclarations */, inForStatementInitializer ? parseVariableDeclaration : parseVariableDeclarationAllowExclamation);
- setDisallowInContext(savedDisallowIn);
- }
- return finishNode(node);
- }
- function canFollowContextualOfKeyword() {
- return nextTokenIsIdentifier() && nextToken() === 21 /* CloseParenToken */;
- }
- function parseVariableStatement(node) {
- node.kind = 225 /* VariableStatement */;
- node.declarationList = parseVariableDeclarationList(/*inForStatementInitializer*/ false);
- parseSemicolon();
- return finishNode(node);
- }
- function parseFunctionDeclaration(node) {
- node.kind = 244 /* FunctionDeclaration */;
- parseExpected(94 /* FunctionKeyword */);
- node.asteriskToken = parseOptionalToken(41 /* AsteriskToken */);
- node.name = hasModifierOfKind(node, 84 /* DefaultKeyword */) ? parseOptionalIdentifier() : parseIdentifier();
- var isGenerator = node.asteriskToken ? 1 /* Yield */ : 0 /* None */;
- var isAsync = hasModifierOfKind(node, 126 /* AsyncKeyword */) ? 2 /* Await */ : 0 /* None */;
- fillSignature(58 /* ColonToken */, isGenerator | isAsync, node);
- node.body = parseFunctionBlockOrSemicolon(isGenerator | isAsync, ts.Diagnostics.or_expected);
- return finishNode(node);
- }
- function parseConstructorName() {
- if (token() === 129 /* ConstructorKeyword */) {
- return parseExpected(129 /* ConstructorKeyword */);
- }
- if (token() === 10 /* StringLiteral */ && lookAhead(nextToken) === 20 /* OpenParenToken */) {
- return tryParse(function () {
- var literalNode = parseLiteralNode();
- return literalNode.text === "constructor" ? literalNode : undefined;
- });
- }
- }
- function tryParseConstructorDeclaration(node) {
- return tryParse(function () {
- if (parseConstructorName()) {
- node.kind = 162 /* Constructor */;
- fillSignature(58 /* ColonToken */, 0 /* None */, node);
- node.body = parseFunctionBlockOrSemicolon(0 /* None */, ts.Diagnostics.or_expected);
- return finishNode(node);
- }
- });
- }
- function parseMethodDeclaration(node, asteriskToken, diagnosticMessage) {
- node.kind = 161 /* MethodDeclaration */;
- node.asteriskToken = asteriskToken;
- var isGenerator = asteriskToken ? 1 /* Yield */ : 0 /* None */;
- var isAsync = hasModifierOfKind(node, 126 /* AsyncKeyword */) ? 2 /* Await */ : 0 /* None */;
- fillSignature(58 /* ColonToken */, isGenerator | isAsync, node);
- node.body = parseFunctionBlockOrSemicolon(isGenerator | isAsync, diagnosticMessage);
- return finishNode(node);
- }
- function parsePropertyDeclaration(node) {
- node.kind = 159 /* PropertyDeclaration */;
- if (!node.questionToken && token() === 53 /* ExclamationToken */ && !scanner.hasPrecedingLineBreak()) {
- node.exclamationToken = parseTokenNode();
- }
- node.type = parseTypeAnnotation();
- node.initializer = doOutsideOfContext(8192 /* YieldContext */ | 32768 /* AwaitContext */ | 4096 /* DisallowInContext */, parseInitializer);
- parseSemicolon();
- return finishNode(node);
- }
- function parsePropertyOrMethodDeclaration(node) {
- var asteriskToken = parseOptionalToken(41 /* AsteriskToken */);
- node.name = parsePropertyName();
- // Note: this is not legal as per the grammar. But we allow it in the parser and
- // report an error in the grammar checker.
- node.questionToken = parseOptionalToken(57 /* QuestionToken */);
- if (asteriskToken || token() === 20 /* OpenParenToken */ || token() === 29 /* LessThanToken */) {
- return parseMethodDeclaration(node, asteriskToken, ts.Diagnostics.or_expected);
- }
- return parsePropertyDeclaration(node);
- }
- function parseAccessorDeclaration(node, kind) {
- node.kind = kind;
- node.name = parsePropertyName();
- fillSignature(58 /* ColonToken */, 0 /* None */, node);
- node.body = parseFunctionBlockOrSemicolon(0 /* None */);
- return finishNode(node);
- }
- function isClassMemberStart() {
- var idToken;
- if (token() === 59 /* AtToken */) {
- return true;
- }
- // Eat up all modifiers, but hold on to the last one in case it is actually an identifier.
- while (ts.isModifierKind(token())) {
- idToken = token();
- // If the idToken is a class modifier (protected, private, public, and static), it is
- // certain that we are starting to parse class member. This allows better error recovery
- // Example:
- // public foo() ... // true
- // public @dec blah ... // true; we will then report an error later
- // export public ... // true; we will then report an error later
- if (ts.isClassMemberModifier(idToken)) {
- return true;
- }
- nextToken();
- }
- if (token() === 41 /* AsteriskToken */) {
- return true;
- }
- // Try to get the first property-like token following all modifiers.
- // This can either be an identifier or the 'get' or 'set' keywords.
- if (isLiteralPropertyName()) {
- idToken = token();
- nextToken();
- }
- // Index signatures and computed properties are class members; we can parse.
- if (token() === 22 /* OpenBracketToken */) {
- return true;
- }
- // If we were able to get any potential identifier...
- if (idToken !== undefined) {
- // If we have a non-keyword identifier, or if we have an accessor, then it's safe to parse.
- if (!ts.isKeyword(idToken) || idToken === 142 /* SetKeyword */ || idToken === 131 /* GetKeyword */) {
- return true;
- }
- // If it *is* a keyword, but not an accessor, check a little farther along
- // to see if it should actually be parsed as a class member.
- switch (token()) {
- case 20 /* OpenParenToken */: // Method declaration
- case 29 /* LessThanToken */: // Generic Method declaration
- case 53 /* ExclamationToken */: // Non-null assertion on property name
- case 58 /* ColonToken */: // Type Annotation for declaration
- case 62 /* EqualsToken */: // Initializer for declaration
- case 57 /* QuestionToken */: // Not valid, but permitted so that it gets caught later on.
- return true;
- default:
- // Covers
- // - Semicolons (declaration termination)
- // - Closing braces (end-of-class, must be declaration)
- // - End-of-files (not valid, but permitted so that it gets caught later on)
- // - Line-breaks (enabling *automatic semicolon insertion*)
- return canParseSemicolon();
- }
- }
- return false;
- }
- function parseDecorators() {
- var list;
- var listPos = getNodePos();
- while (true) {
- var decoratorStart = getNodePos();
- if (!parseOptional(59 /* AtToken */)) {
- break;
- }
- var decorator = createNode(157 /* Decorator */, decoratorStart);
- decorator.expression = doInDecoratorContext(parseLeftHandSideExpressionOrHigher);
- finishNode(decorator);
- (list || (list = [])).push(decorator);
- }
- return list && createNodeArray(list, listPos);
- }
- /*
- * There are situations in which a modifier like 'const' will appear unexpectedly, such as on a class member.
- * In those situations, if we are entirely sure that 'const' is not valid on its own (such as when ASI takes effect
- * and turns it into a standalone declaration), then it is better to parse it and report an error later.
- *
- * In such situations, 'permitInvalidConstAsModifier' should be set to true.
- */
- function parseModifiers(permitInvalidConstAsModifier) {
- var list;
- var listPos = getNodePos();
- while (true) {
- var modifierStart = scanner.getStartPos();
- var modifierKind = token();
- if (token() === 81 /* ConstKeyword */ && permitInvalidConstAsModifier) {
- // We need to ensure that any subsequent modifiers appear on the same line
- // so that when 'const' is a standalone declaration, we don't issue an error.
- if (!tryParse(nextTokenIsOnSameLineAndCanFollowModifier)) {
- break;
- }
- }
- else {
- if (!parseAnyContextualModifier()) {
- break;
- }
- }
- var modifier = finishNode(createNode(modifierKind, modifierStart));
- (list || (list = [])).push(modifier);
- }
- return list && createNodeArray(list, listPos);
- }
- function parseModifiersForArrowFunction() {
- var modifiers;
- if (token() === 126 /* AsyncKeyword */) {
- var modifierStart = scanner.getStartPos();
- var modifierKind = token();
- nextToken();
- var modifier = finishNode(createNode(modifierKind, modifierStart));
- modifiers = createNodeArray([modifier], modifierStart);
- }
- return modifiers;
- }
- function parseClassElement() {
- if (token() === 26 /* SemicolonToken */) {
- var result = createNode(222 /* SemicolonClassElement */);
- nextToken();
- return finishNode(result);
- }
- var node = createNodeWithJSDoc(0 /* Unknown */);
- node.decorators = parseDecorators();
- node.modifiers = parseModifiers(/*permitInvalidConstAsModifier*/ true);
- if (parseContextualModifier(131 /* GetKeyword */)) {
- return parseAccessorDeclaration(node, 163 /* GetAccessor */);
- }
- if (parseContextualModifier(142 /* SetKeyword */)) {
- return parseAccessorDeclaration(node, 164 /* SetAccessor */);
- }
- if (token() === 129 /* ConstructorKeyword */ || token() === 10 /* StringLiteral */) {
- var constructorDeclaration = tryParseConstructorDeclaration(node);
- if (constructorDeclaration) {
- return constructorDeclaration;
- }
- }
- if (isIndexSignature()) {
- return parseIndexSignatureDeclaration(node);
- }
- // It is very important that we check this *after* checking indexers because
- // the [ token can start an index signature or a computed property name
- if (ts.tokenIsIdentifierOrKeyword(token()) ||
- token() === 10 /* StringLiteral */ ||
- token() === 8 /* NumericLiteral */ ||
- token() === 41 /* AsteriskToken */ ||
- token() === 22 /* OpenBracketToken */) {
- var isAmbient = node.modifiers && ts.some(node.modifiers, isDeclareModifier);
- if (isAmbient) {
- for (var _i = 0, _a = node.modifiers; _i < _a.length; _i++) {
- var m = _a[_i];
- m.flags |= 8388608 /* Ambient */;
- }
- return doInsideOfContext(8388608 /* Ambient */, function () { return parsePropertyOrMethodDeclaration(node); });
- }
- else {
- return parsePropertyOrMethodDeclaration(node);
- }
- }
- if (node.decorators || node.modifiers) {
- // treat this as a property declaration with a missing name.
- node.name = createMissingNode(75 /* Identifier */, /*reportAtCurrentPosition*/ true, ts.Diagnostics.Declaration_expected);
- return parsePropertyDeclaration(node);
- }
- // 'isClassMemberStart' should have hinted not to attempt parsing.
- return ts.Debug.fail("Should not have attempted to parse class member declaration.");
- }
- function parseClassExpression() {
- return parseClassDeclarationOrExpression(createNodeWithJSDoc(0 /* Unknown */), 214 /* ClassExpression */);
- }
- function parseClassDeclaration(node) {
- return parseClassDeclarationOrExpression(node, 245 /* ClassDeclaration */);
- }
- function parseClassDeclarationOrExpression(node, kind) {
- node.kind = kind;
- parseExpected(80 /* ClassKeyword */);
- node.name = parseNameOfClassDeclarationOrExpression();
- node.typeParameters = parseTypeParameters();
- node.heritageClauses = parseHeritageClauses();
- if (parseExpected(18 /* OpenBraceToken */)) {
- // ClassTail[Yield,Await] : (Modified) See 14.5
- // ClassHeritage[?Yield,?Await]opt { ClassBody[?Yield,?Await]opt }
- node.members = parseClassMembers();
- parseExpected(19 /* CloseBraceToken */);
- }
- else {
- node.members = createMissingList();
- }
- return finishNode(node);
- }
- function parseNameOfClassDeclarationOrExpression() {
- // implements is a future reserved word so
- // 'class implements' might mean either
- // - class expression with omitted name, 'implements' starts heritage clause
- // - class with name 'implements'
- // 'isImplementsClause' helps to disambiguate between these two cases
- return isIdentifier() && !isImplementsClause()
- ? parseIdentifier()
- : undefined;
- }
- function isImplementsClause() {
- return token() === 113 /* ImplementsKeyword */ && lookAhead(nextTokenIsIdentifierOrKeyword);
- }
- function parseHeritageClauses() {
- // ClassTail[Yield,Await] : (Modified) See 14.5
- // ClassHeritage[?Yield,?Await]opt { ClassBody[?Yield,?Await]opt }
- if (isHeritageClause()) {
- return parseList(22 /* HeritageClauses */, parseHeritageClause);
- }
- return undefined;
- }
- function parseHeritageClause() {
- var tok = token();
- ts.Debug.assert(tok === 90 /* ExtendsKeyword */ || tok === 113 /* ImplementsKeyword */); // isListElement() should ensure this.
- var node = createNode(279 /* HeritageClause */);
- node.token = tok;
- nextToken();
- node.types = parseDelimitedList(7 /* HeritageClauseElement */, parseExpressionWithTypeArguments);
- return finishNode(node);
- }
- function parseExpressionWithTypeArguments() {
- var node = createNode(216 /* ExpressionWithTypeArguments */);
- node.expression = parseLeftHandSideExpressionOrHigher();
- node.typeArguments = tryParseTypeArguments();
- return finishNode(node);
- }
- function tryParseTypeArguments() {
- return token() === 29 /* LessThanToken */ ?
- parseBracketedList(20 /* TypeArguments */, parseType, 29 /* LessThanToken */, 31 /* GreaterThanToken */) : undefined;
- }
- function isHeritageClause() {
- return token() === 90 /* ExtendsKeyword */ || token() === 113 /* ImplementsKeyword */;
- }
- function parseClassMembers() {
- return parseList(5 /* ClassMembers */, parseClassElement);
- }
- function parseInterfaceDeclaration(node) {
- node.kind = 246 /* InterfaceDeclaration */;
- parseExpected(114 /* InterfaceKeyword */);
- node.name = parseIdentifier();
- node.typeParameters = parseTypeParameters();
- node.heritageClauses = parseHeritageClauses();
- node.members = parseObjectTypeMembers();
- return finishNode(node);
- }
- function parseTypeAliasDeclaration(node) {
- node.kind = 247 /* TypeAliasDeclaration */;
- parseExpected(145 /* TypeKeyword */);
- node.name = parseIdentifier();
- node.typeParameters = parseTypeParameters();
- parseExpected(62 /* EqualsToken */);
- node.type = parseType();
- parseSemicolon();
- return finishNode(node);
- }
- // In an ambient declaration, the grammar only allows integer literals as initializers.
- // In a non-ambient declaration, the grammar allows uninitialized members only in a
- // ConstantEnumMemberSection, which starts at the beginning of an enum declaration
- // or any time an integer literal initializer is encountered.
- function parseEnumMember() {
- var node = createNodeWithJSDoc(284 /* EnumMember */);
- node.name = parsePropertyName();
- node.initializer = allowInAnd(parseInitializer);
- return finishNode(node);
- }
- function parseEnumDeclaration(node) {
- node.kind = 248 /* EnumDeclaration */;
- parseExpected(88 /* EnumKeyword */);
- node.name = parseIdentifier();
- if (parseExpected(18 /* OpenBraceToken */)) {
- node.members = doOutsideOfYieldAndAwaitContext(function () { return parseDelimitedList(6 /* EnumMembers */, parseEnumMember); });
- parseExpected(19 /* CloseBraceToken */);
- }
- else {
- node.members = createMissingList();
- }
- return finishNode(node);
- }
- function parseModuleBlock() {
- var node = createNode(250 /* ModuleBlock */);
- if (parseExpected(18 /* OpenBraceToken */)) {
- node.statements = parseList(1 /* BlockStatements */, parseStatement);
- parseExpected(19 /* CloseBraceToken */);
- }
- else {
- node.statements = createMissingList();
- }
- return finishNode(node);
- }
- function parseModuleOrNamespaceDeclaration(node, flags) {
- node.kind = 249 /* ModuleDeclaration */;
- // If we are parsing a dotted namespace name, we want to
- // propagate the 'Namespace' flag across the names if set.
- var namespaceFlag = flags & 16 /* Namespace */;
- node.flags |= flags;
- node.name = parseIdentifier();
- node.body = parseOptional(24 /* DotToken */)
- ? parseModuleOrNamespaceDeclaration(createNode(0 /* Unknown */), 4 /* NestedNamespace */ | namespaceFlag)
- : parseModuleBlock();
- return finishNode(node);
- }
- function parseAmbientExternalModuleDeclaration(node) {
- node.kind = 249 /* ModuleDeclaration */;
- if (token() === 150 /* GlobalKeyword */) {
- // parse 'global' as name of global scope augmentation
- node.name = parseIdentifier();
- node.flags |= 1024 /* GlobalAugmentation */;
- }
- else {
- node.name = parseLiteralNode();
- node.name.text = internIdentifier(node.name.text);
- }
- if (token() === 18 /* OpenBraceToken */) {
- node.body = parseModuleBlock();
- }
- else {
- parseSemicolon();
- }
- return finishNode(node);
- }
- function parseModuleDeclaration(node) {
- var flags = 0;
- if (token() === 150 /* GlobalKeyword */) {
- // global augmentation
- return parseAmbientExternalModuleDeclaration(node);
- }
- else if (parseOptional(136 /* NamespaceKeyword */)) {
- flags |= 16 /* Namespace */;
- }
- else {
- parseExpected(135 /* ModuleKeyword */);
- if (token() === 10 /* StringLiteral */) {
- return parseAmbientExternalModuleDeclaration(node);
- }
- }
- return parseModuleOrNamespaceDeclaration(node, flags);
- }
- function isExternalModuleReference() {
- return token() === 139 /* RequireKeyword */ &&
- lookAhead(nextTokenIsOpenParen);
- }
- function nextTokenIsOpenParen() {
- return nextToken() === 20 /* OpenParenToken */;
- }
- function nextTokenIsSlash() {
- return nextToken() === 43 /* SlashToken */;
- }
- function parseNamespaceExportDeclaration(node) {
- node.kind = 252 /* NamespaceExportDeclaration */;
- parseExpected(123 /* AsKeyword */);
- parseExpected(136 /* NamespaceKeyword */);
- node.name = parseIdentifier();
- parseSemicolon();
- return finishNode(node);
- }
- function parseImportDeclarationOrImportEqualsDeclaration(node) {
- parseExpected(96 /* ImportKeyword */);
- var afterImportPos = scanner.getStartPos();
- var identifier;
- if (isIdentifier()) {
- identifier = parseIdentifier();
- }
- var isTypeOnly = false;
- if (token() !== 149 /* FromKeyword */ &&
- (identifier === null || identifier === void 0 ? void 0 : identifier.escapedText) === "type" &&
- (isIdentifier() || tokenAfterImportDefinitelyProducesImportDeclaration())) {
- isTypeOnly = true;
- identifier = isIdentifier() ? parseIdentifier() : undefined;
- }
- if (identifier && !tokenAfterImportedIdentifierDefinitelyProducesImportDeclaration()) {
- return parseImportEqualsDeclaration(node, identifier, isTypeOnly);
- }
- // Import statement
- node.kind = 254 /* ImportDeclaration */;
- // ImportDeclaration:
- // import ImportClause from ModuleSpecifier ;
- // import ModuleSpecifier;
- if (identifier || // import id
- token() === 41 /* AsteriskToken */ || // import *
- token() === 18 /* OpenBraceToken */ // import {
- ) {
- node.importClause = parseImportClause(identifier, afterImportPos, isTypeOnly);
- parseExpected(149 /* FromKeyword */);
- }
- node.moduleSpecifier = parseModuleSpecifier();
- parseSemicolon();
- return finishNode(node);
- }
- function tokenAfterImportDefinitelyProducesImportDeclaration() {
- return token() === 41 /* AsteriskToken */ || token() === 18 /* OpenBraceToken */;
- }
- function tokenAfterImportedIdentifierDefinitelyProducesImportDeclaration() {
- // In `import id ___`, the current token decides whether to produce
- // an ImportDeclaration or ImportEqualsDeclaration.
- return token() === 27 /* CommaToken */ || token() === 149 /* FromKeyword */;
- }
- function parseImportEqualsDeclaration(node, identifier, isTypeOnly) {
- node.kind = 253 /* ImportEqualsDeclaration */;
- node.name = identifier;
- parseExpected(62 /* EqualsToken */);
- node.moduleReference = parseModuleReference();
- parseSemicolon();
- var finished = finishNode(node);
- if (isTypeOnly) {
- parseErrorAtRange(finished, ts.Diagnostics.Only_ECMAScript_imports_may_use_import_type);
- }
- return finished;
- }
- function parseImportClause(identifier, fullStart, isTypeOnly) {
- // ImportClause:
- // ImportedDefaultBinding
- // NameSpaceImport
- // NamedImports
- // ImportedDefaultBinding, NameSpaceImport
- // ImportedDefaultBinding, NamedImports
- var importClause = createNode(255 /* ImportClause */, fullStart);
- importClause.isTypeOnly = isTypeOnly;
- if (identifier) {
- // ImportedDefaultBinding:
- // ImportedBinding
- importClause.name = identifier;
- }
- // If there was no default import or if there is comma token after default import
- // parse namespace or named imports
- if (!importClause.name ||
- parseOptional(27 /* CommaToken */)) {
- importClause.namedBindings = token() === 41 /* AsteriskToken */ ? parseNamespaceImport() : parseNamedImportsOrExports(257 /* NamedImports */);
- }
- return finishNode(importClause);
- }
- function parseModuleReference() {
- return isExternalModuleReference()
- ? parseExternalModuleReference()
- : parseEntityName(/*allowReservedWords*/ false);
- }
- function parseExternalModuleReference() {
- var node = createNode(265 /* ExternalModuleReference */);
- parseExpected(139 /* RequireKeyword */);
- parseExpected(20 /* OpenParenToken */);
- node.expression = parseModuleSpecifier();
- parseExpected(21 /* CloseParenToken */);
- return finishNode(node);
- }
- function parseModuleSpecifier() {
- if (token() === 10 /* StringLiteral */) {
- var result = parseLiteralNode();
- result.text = internIdentifier(result.text);
- return result;
- }
- else {
- // We allow arbitrary expressions here, even though the grammar only allows string
- // literals. We check to ensure that it is only a string literal later in the grammar
- // check pass.
- return parseExpression();
- }
- }
- function parseNamespaceImport() {
- // NameSpaceImport:
- // * as ImportedBinding
- var namespaceImport = createNode(256 /* NamespaceImport */);
- parseExpected(41 /* AsteriskToken */);
- parseExpected(123 /* AsKeyword */);
- namespaceImport.name = parseIdentifier();
- return finishNode(namespaceImport);
- }
- function parseNamedImportsOrExports(kind) {
- var node = createNode(kind);
- // NamedImports:
- // { }
- // { ImportsList }
- // { ImportsList, }
- // ImportsList:
- // ImportSpecifier
- // ImportsList, ImportSpecifier
- node.elements = parseBracketedList(23 /* ImportOrExportSpecifiers */, kind === 257 /* NamedImports */ ? parseImportSpecifier : parseExportSpecifier, 18 /* OpenBraceToken */, 19 /* CloseBraceToken */);
- return finishNode(node);
- }
- function parseExportSpecifier() {
- return parseImportOrExportSpecifier(263 /* ExportSpecifier */);
- }
- function parseImportSpecifier() {
- return parseImportOrExportSpecifier(258 /* ImportSpecifier */);
- }
- function parseImportOrExportSpecifier(kind) {
- var node = createNode(kind);
- // ImportSpecifier:
- // BindingIdentifier
- // IdentifierName as BindingIdentifier
- // ExportSpecifier:
- // IdentifierName
- // IdentifierName as IdentifierName
- var checkIdentifierIsKeyword = ts.isKeyword(token()) && !isIdentifier();
- var checkIdentifierStart = scanner.getTokenPos();
- var checkIdentifierEnd = scanner.getTextPos();
- var identifierName = parseIdentifierName();
- if (token() === 123 /* AsKeyword */) {
- node.propertyName = identifierName;
- parseExpected(123 /* AsKeyword */);
- checkIdentifierIsKeyword = ts.isKeyword(token()) && !isIdentifier();
- checkIdentifierStart = scanner.getTokenPos();
- checkIdentifierEnd = scanner.getTextPos();
- node.name = parseIdentifierName();
- }
- else {
- node.name = identifierName;
- }
- if (kind === 258 /* ImportSpecifier */ && checkIdentifierIsKeyword) {
- parseErrorAt(checkIdentifierStart, checkIdentifierEnd, ts.Diagnostics.Identifier_expected);
- }
- return finishNode(node);
- }
- function parseNamespaceExport(pos) {
- var node = createNode(262 /* NamespaceExport */, pos);
- node.name = parseIdentifier();
- return finishNode(node);
- }
- function parseExportDeclaration(node) {
- node.kind = 260 /* ExportDeclaration */;
- node.isTypeOnly = parseOptional(145 /* TypeKeyword */);
- var namespaceExportPos = scanner.getStartPos();
- if (parseOptional(41 /* AsteriskToken */)) {
- if (parseOptional(123 /* AsKeyword */)) {
- node.exportClause = parseNamespaceExport(namespaceExportPos);
- }
- parseExpected(149 /* FromKeyword */);
- node.moduleSpecifier = parseModuleSpecifier();
- }
- else {
- node.exportClause = parseNamedImportsOrExports(261 /* NamedExports */);
- // It is not uncommon to accidentally omit the 'from' keyword. Additionally, in editing scenarios,
- // the 'from' keyword can be parsed as a named export when the export clause is unterminated (i.e. `export { from "moduleName";`)
- // If we don't have a 'from' keyword, see if we have a string literal such that ASI won't take effect.
- if (token() === 149 /* FromKeyword */ || (token() === 10 /* StringLiteral */ && !scanner.hasPrecedingLineBreak())) {
- parseExpected(149 /* FromKeyword */);
- node.moduleSpecifier = parseModuleSpecifier();
- }
- }
- parseSemicolon();
- return finishNode(node);
- }
- function parseExportAssignment(node) {
- node.kind = 259 /* ExportAssignment */;
- if (parseOptional(62 /* EqualsToken */)) {
- node.isExportEquals = true;
- }
- else {
- parseExpected(84 /* DefaultKeyword */);
- }
- node.expression = parseAssignmentExpressionOrHigher();
- parseSemicolon();
- return finishNode(node);
- }
- function setExternalModuleIndicator(sourceFile) {
- // Try to use the first top-level import/export when available, then
- // fall back to looking for an 'import.meta' somewhere in the tree if necessary.
- sourceFile.externalModuleIndicator =
- ts.forEach(sourceFile.statements, isAnExternalModuleIndicatorNode) ||
- getImportMetaIfNecessary(sourceFile);
- }
- function isAnExternalModuleIndicatorNode(node) {
- return hasModifierOfKind(node, 89 /* ExportKeyword */)
- || node.kind === 253 /* ImportEqualsDeclaration */ && node.moduleReference.kind === 265 /* ExternalModuleReference */
- || node.kind === 254 /* ImportDeclaration */
- || node.kind === 259 /* ExportAssignment */
- || node.kind === 260 /* ExportDeclaration */ ? node : undefined;
- }
- function getImportMetaIfNecessary(sourceFile) {
- return sourceFile.flags & 2097152 /* PossiblyContainsImportMeta */ ?
- walkTreeForExternalModuleIndicators(sourceFile) :
- undefined;
- }
- function walkTreeForExternalModuleIndicators(node) {
- return isImportMeta(node) ? node : forEachChild(node, walkTreeForExternalModuleIndicators);
- }
- /** Do not use hasModifier inside the parser; it relies on parent pointers. Use this instead. */
- function hasModifierOfKind(node, kind) {
- return ts.some(node.modifiers, function (m) { return m.kind === kind; });
- }
- function isImportMeta(node) {
- return ts.isMetaProperty(node) && node.keywordToken === 96 /* ImportKeyword */ && node.name.escapedText === "meta";
- }
- var ParsingContext;
- (function (ParsingContext) {
- ParsingContext[ParsingContext["SourceElements"] = 0] = "SourceElements";
- ParsingContext[ParsingContext["BlockStatements"] = 1] = "BlockStatements";
- ParsingContext[ParsingContext["SwitchClauses"] = 2] = "SwitchClauses";
- ParsingContext[ParsingContext["SwitchClauseStatements"] = 3] = "SwitchClauseStatements";
- ParsingContext[ParsingContext["TypeMembers"] = 4] = "TypeMembers";
- ParsingContext[ParsingContext["ClassMembers"] = 5] = "ClassMembers";
- ParsingContext[ParsingContext["EnumMembers"] = 6] = "EnumMembers";
- ParsingContext[ParsingContext["HeritageClauseElement"] = 7] = "HeritageClauseElement";
- ParsingContext[ParsingContext["VariableDeclarations"] = 8] = "VariableDeclarations";
- ParsingContext[ParsingContext["ObjectBindingElements"] = 9] = "ObjectBindingElements";
- ParsingContext[ParsingContext["ArrayBindingElements"] = 10] = "ArrayBindingElements";
- ParsingContext[ParsingContext["ArgumentExpressions"] = 11] = "ArgumentExpressions";
- ParsingContext[ParsingContext["ObjectLiteralMembers"] = 12] = "ObjectLiteralMembers";
- ParsingContext[ParsingContext["JsxAttributes"] = 13] = "JsxAttributes";
- ParsingContext[ParsingContext["JsxChildren"] = 14] = "JsxChildren";
- ParsingContext[ParsingContext["ArrayLiteralMembers"] = 15] = "ArrayLiteralMembers";
- ParsingContext[ParsingContext["Parameters"] = 16] = "Parameters";
- ParsingContext[ParsingContext["JSDocParameters"] = 17] = "JSDocParameters";
- ParsingContext[ParsingContext["RestProperties"] = 18] = "RestProperties";
- ParsingContext[ParsingContext["TypeParameters"] = 19] = "TypeParameters";
- ParsingContext[ParsingContext["TypeArguments"] = 20] = "TypeArguments";
- ParsingContext[ParsingContext["TupleElementTypes"] = 21] = "TupleElementTypes";
- ParsingContext[ParsingContext["HeritageClauses"] = 22] = "HeritageClauses";
- ParsingContext[ParsingContext["ImportOrExportSpecifiers"] = 23] = "ImportOrExportSpecifiers";
- ParsingContext[ParsingContext["Count"] = 24] = "Count"; // Number of parsing contexts
- })(ParsingContext || (ParsingContext = {}));
- var Tristate;
- (function (Tristate) {
- Tristate[Tristate["False"] = 0] = "False";
- Tristate[Tristate["True"] = 1] = "True";
- Tristate[Tristate["Unknown"] = 2] = "Unknown";
- })(Tristate || (Tristate = {}));
- var JSDocParser;
- (function (JSDocParser) {
- function parseJSDocTypeExpressionForTests(content, start, length) {
- initializeState(content, 99 /* Latest */, /*_syntaxCursor:*/ undefined, 1 /* JS */);
- sourceFile = createSourceFile("file.js", 99 /* Latest */, 1 /* JS */, /*isDeclarationFile*/ false);
- scanner.setText(content, start, length);
- currentToken = scanner.scan();
- var jsDocTypeExpression = parseJSDocTypeExpression();
- var diagnostics = parseDiagnostics;
- clearState();
- return jsDocTypeExpression ? { jsDocTypeExpression: jsDocTypeExpression, diagnostics: diagnostics } : undefined;
- }
- JSDocParser.parseJSDocTypeExpressionForTests = parseJSDocTypeExpressionForTests;
- // Parses out a JSDoc type expression.
- function parseJSDocTypeExpression(mayOmitBraces) {
- var result = createNode(294 /* JSDocTypeExpression */);
- var hasBrace = (mayOmitBraces ? parseOptional : parseExpected)(18 /* OpenBraceToken */);
- result.type = doInsideOfContext(4194304 /* JSDoc */, parseJSDocType);
- if (!mayOmitBraces || hasBrace) {
- parseExpectedJSDoc(19 /* CloseBraceToken */);
- }
- fixupParentReferences(result);
- return finishNode(result);
- }
- JSDocParser.parseJSDocTypeExpression = parseJSDocTypeExpression;
- function parseIsolatedJSDocComment(content, start, length) {
- initializeState(content, 99 /* Latest */, /*_syntaxCursor:*/ undefined, 1 /* JS */);
- sourceFile = { languageVariant: 0 /* Standard */, text: content };
- var jsDoc = doInsideOfContext(4194304 /* JSDoc */, function () { return parseJSDocCommentWorker(start, length); });
- var diagnostics = parseDiagnostics;
- clearState();
- return jsDoc ? { jsDoc: jsDoc, diagnostics: diagnostics } : undefined;
- }
- JSDocParser.parseIsolatedJSDocComment = parseIsolatedJSDocComment;
- function parseJSDocComment(parent, start, length) {
- var _a;
- var saveToken = currentToken;
- var saveParseDiagnosticsLength = parseDiagnostics.length;
- var saveParseErrorBeforeNextFinishedNode = parseErrorBeforeNextFinishedNode;
- var comment = doInsideOfContext(4194304 /* JSDoc */, function () { return parseJSDocCommentWorker(start, length); });
- if (comment) {
- comment.parent = parent;
- }
- if (contextFlags & 131072 /* JavaScriptFile */) {
- if (!sourceFile.jsDocDiagnostics) {
- sourceFile.jsDocDiagnostics = [];
- }
- (_a = sourceFile.jsDocDiagnostics).push.apply(_a, parseDiagnostics);
- }
- currentToken = saveToken;
- parseDiagnostics.length = saveParseDiagnosticsLength;
- parseErrorBeforeNextFinishedNode = saveParseErrorBeforeNextFinishedNode;
- return comment;
- }
- JSDocParser.parseJSDocComment = parseJSDocComment;
- var JSDocState;
- (function (JSDocState) {
- JSDocState[JSDocState["BeginningOfLine"] = 0] = "BeginningOfLine";
- JSDocState[JSDocState["SawAsterisk"] = 1] = "SawAsterisk";
- JSDocState[JSDocState["SavingComments"] = 2] = "SavingComments";
- JSDocState[JSDocState["SavingBackticks"] = 3] = "SavingBackticks";
- })(JSDocState || (JSDocState = {}));
- var PropertyLikeParse;
- (function (PropertyLikeParse) {
- PropertyLikeParse[PropertyLikeParse["Property"] = 1] = "Property";
- PropertyLikeParse[PropertyLikeParse["Parameter"] = 2] = "Parameter";
- PropertyLikeParse[PropertyLikeParse["CallbackParameter"] = 4] = "CallbackParameter";
- })(PropertyLikeParse || (PropertyLikeParse = {}));
- function parseJSDocCommentWorker(start, length) {
- if (start === void 0) { start = 0; }
- var content = sourceText;
- var end = length === undefined ? content.length : start + length;
- length = end - start;
- ts.Debug.assert(start >= 0);
- ts.Debug.assert(start <= end);
- ts.Debug.assert(end <= content.length);
- // Check for /** (JSDoc opening part)
- if (!isJSDocLikeText(content, start)) {
- return undefined;
- }
- var tags;
- var tagsPos;
- var tagsEnd;
- var comments = [];
- // + 3 for leading /**, - 5 in total for /** */
- return scanner.scanRange(start + 3, length - 5, function () {
- // Initially we can parse out a tag. We also have seen a starting asterisk.
- // This is so that /** * @type */ doesn't parse.
- var state = 1 /* SawAsterisk */;
- var margin;
- // + 4 for leading '/** '
- var indent = start - Math.max(content.lastIndexOf("\n", start), 0) + 4;
- function pushComment(text) {
- if (!margin) {
- margin = indent;
- }
- comments.push(text);
- indent += text.length;
- }
- nextTokenJSDoc();
- while (parseOptionalJsdoc(5 /* WhitespaceTrivia */))
- ;
- if (parseOptionalJsdoc(4 /* NewLineTrivia */)) {
- state = 0 /* BeginningOfLine */;
- indent = 0;
- }
- loop: while (true) {
- switch (token()) {
- case 59 /* AtToken */:
- if (state === 0 /* BeginningOfLine */ || state === 1 /* SawAsterisk */) {
- removeTrailingWhitespace(comments);
- addTag(parseTag(indent));
- // NOTE: According to usejsdoc.org, a tag goes to end of line, except the last tag.
- // Real-world comments may break this rule, so "BeginningOfLine" will not be a real line beginning
- // for malformed examples like `/** @param {string} x @returns {number} the length */`
- state = 0 /* BeginningOfLine */;
- margin = undefined;
- }
- else {
- pushComment(scanner.getTokenText());
- }
- break;
- case 4 /* NewLineTrivia */:
- comments.push(scanner.getTokenText());
- state = 0 /* BeginningOfLine */;
- indent = 0;
- break;
- case 41 /* AsteriskToken */:
- var asterisk = scanner.getTokenText();
- if (state === 1 /* SawAsterisk */ || state === 2 /* SavingComments */) {
- // If we've already seen an asterisk, then we can no longer parse a tag on this line
- state = 2 /* SavingComments */;
- pushComment(asterisk);
- }
- else {
- // Ignore the first asterisk on a line
- state = 1 /* SawAsterisk */;
- indent += asterisk.length;
- }
- break;
- case 5 /* WhitespaceTrivia */:
- // only collect whitespace if we're already saving comments or have just crossed the comment indent margin
- var whitespace = scanner.getTokenText();
- if (state === 2 /* SavingComments */) {
- comments.push(whitespace);
- }
- else if (margin !== undefined && indent + whitespace.length > margin) {
- comments.push(whitespace.slice(margin - indent - 1));
- }
- indent += whitespace.length;
- break;
- case 1 /* EndOfFileToken */:
- break loop;
- default:
- // Anything else is doc comment text. We just save it. Because it
- // wasn't a tag, we can no longer parse a tag on this line until we hit the next
- // line break.
- state = 2 /* SavingComments */;
- pushComment(scanner.getTokenText());
- break;
- }
- nextTokenJSDoc();
- }
- removeLeadingNewlines(comments);
- removeTrailingWhitespace(comments);
- return createJSDocComment();
- });
- function removeLeadingNewlines(comments) {
- while (comments.length && (comments[0] === "\n" || comments[0] === "\r")) {
- comments.shift();
- }
- }
- function removeTrailingWhitespace(comments) {
- while (comments.length && comments[comments.length - 1].trim() === "") {
- comments.pop();
- }
- }
- function createJSDocComment() {
- var result = createNode(303 /* JSDocComment */, start);
- result.tags = tags && createNodeArray(tags, tagsPos, tagsEnd);
- result.comment = comments.length ? comments.join("") : undefined;
- return finishNode(result, end);
- }
- function isNextNonwhitespaceTokenEndOfFile() {
- // We must use infinite lookahead, as there could be any number of newlines :(
- while (true) {
- nextTokenJSDoc();
- if (token() === 1 /* EndOfFileToken */) {
- return true;
- }
- if (!(token() === 5 /* WhitespaceTrivia */ || token() === 4 /* NewLineTrivia */)) {
- return false;
- }
- }
- }
- function skipWhitespace() {
- if (token() === 5 /* WhitespaceTrivia */ || token() === 4 /* NewLineTrivia */) {
- if (lookAhead(isNextNonwhitespaceTokenEndOfFile)) {
- return; // Don't skip whitespace prior to EoF (or end of comment) - that shouldn't be included in any node's range
- }
- }
- while (token() === 5 /* WhitespaceTrivia */ || token() === 4 /* NewLineTrivia */) {
- nextTokenJSDoc();
- }
- }
- function skipWhitespaceOrAsterisk() {
- if (token() === 5 /* WhitespaceTrivia */ || token() === 4 /* NewLineTrivia */) {
- if (lookAhead(isNextNonwhitespaceTokenEndOfFile)) {
- return ""; // Don't skip whitespace prior to EoF (or end of comment) - that shouldn't be included in any node's range
- }
- }
- var precedingLineBreak = scanner.hasPrecedingLineBreak();
- var seenLineBreak = false;
- var indentText = "";
- while ((precedingLineBreak && token() === 41 /* AsteriskToken */) || token() === 5 /* WhitespaceTrivia */ || token() === 4 /* NewLineTrivia */) {
- indentText += scanner.getTokenText();
- if (token() === 4 /* NewLineTrivia */) {
- precedingLineBreak = true;
- seenLineBreak = true;
- indentText = "";
- }
- else if (token() === 41 /* AsteriskToken */) {
- precedingLineBreak = false;
- }
- nextTokenJSDoc();
- }
- return seenLineBreak ? indentText : "";
- }
- function parseTag(margin) {
- ts.Debug.assert(token() === 59 /* AtToken */);
- var start = scanner.getTokenPos();
- nextTokenJSDoc();
- var tagName = parseJSDocIdentifierName(/*message*/ undefined);
- var indentText = skipWhitespaceOrAsterisk();
- var tag;
- switch (tagName.escapedText) {
- case "author":
- tag = parseAuthorTag(start, tagName, margin);
- break;
- case "implements":
- tag = parseImplementsTag(start, tagName);
- break;
- case "augments":
- case "extends":
- tag = parseAugmentsTag(start, tagName);
- break;
- case "class":
- case "constructor":
- tag = parseSimpleTag(start, 310 /* JSDocClassTag */, tagName);
- break;
- case "public":
- tag = parseSimpleTag(start, 311 /* JSDocPublicTag */, tagName);
- break;
- case "private":
- tag = parseSimpleTag(start, 312 /* JSDocPrivateTag */, tagName);
- break;
- case "protected":
- tag = parseSimpleTag(start, 313 /* JSDocProtectedTag */, tagName);
- break;
- case "readonly":
- tag = parseSimpleTag(start, 314 /* JSDocReadonlyTag */, tagName);
- break;
- case "this":
- tag = parseThisTag(start, tagName);
- break;
- case "enum":
- tag = parseEnumTag(start, tagName);
- break;
- case "arg":
- case "argument":
- case "param":
- return parseParameterOrPropertyTag(start, tagName, 2 /* Parameter */, margin);
- case "return":
- case "returns":
- tag = parseReturnTag(start, tagName);
- break;
- case "template":
- tag = parseTemplateTag(start, tagName);
- break;
- case "type":
- tag = parseTypeTag(start, tagName);
- break;
- case "typedef":
- tag = parseTypedefTag(start, tagName, margin);
- break;
- case "callback":
- tag = parseCallbackTag(start, tagName, margin);
- break;
- default:
- tag = parseUnknownTag(start, tagName);
- break;
- }
- if (!tag.comment) {
- // some tags, like typedef and callback, have already parsed their comments earlier
- if (!indentText) {
- margin += tag.end - tag.pos;
- }
- tag.comment = parseTagComments(margin, indentText.slice(margin));
- }
- return tag;
- }
- function parseTagComments(indent, initialMargin) {
- var comments = [];
- var state = 0 /* BeginningOfLine */;
- var margin;
- function pushComment(text) {
- if (!margin) {
- margin = indent;
- }
- comments.push(text);
- indent += text.length;
- }
- if (initialMargin !== undefined) {
- // jump straight to saving comments if there is some initial indentation
- if (initialMargin !== "") {
- pushComment(initialMargin);
- }
- state = 1 /* SawAsterisk */;
- }
- var tok = token();
- loop: while (true) {
- switch (tok) {
- case 4 /* NewLineTrivia */:
- if (state >= 1 /* SawAsterisk */) {
- state = 0 /* BeginningOfLine */;
- // don't use pushComment here because we want to keep the margin unchanged
- comments.push(scanner.getTokenText());
- }
- indent = 0;
- break;
- case 59 /* AtToken */:
- if (state === 3 /* SavingBackticks */) {
- comments.push(scanner.getTokenText());
- break;
- }
- scanner.setTextPos(scanner.getTextPos() - 1);
- // falls through
- case 1 /* EndOfFileToken */:
- // Done
- break loop;
- case 5 /* WhitespaceTrivia */:
- if (state === 2 /* SavingComments */ || state === 3 /* SavingBackticks */) {
- pushComment(scanner.getTokenText());
- }
- else {
- var whitespace = scanner.getTokenText();
- // if the whitespace crosses the margin, take only the whitespace that passes the margin
- if (margin !== undefined && indent + whitespace.length > margin) {
- comments.push(whitespace.slice(margin - indent));
- }
- indent += whitespace.length;
- }
- break;
- case 18 /* OpenBraceToken */:
- state = 2 /* SavingComments */;
- if (lookAhead(function () { return nextTokenJSDoc() === 59 /* AtToken */ && ts.tokenIsIdentifierOrKeyword(nextTokenJSDoc()) && scanner.getTokenText() === "link"; })) {
- pushComment(scanner.getTokenText());
- nextTokenJSDoc();
- pushComment(scanner.getTokenText());
- nextTokenJSDoc();
- }
- pushComment(scanner.getTokenText());
- break;
- case 61 /* BacktickToken */:
- if (state === 3 /* SavingBackticks */) {
- state = 2 /* SavingComments */;
- }
- else {
- state = 3 /* SavingBackticks */;
- }
- pushComment(scanner.getTokenText());
- break;
- case 41 /* AsteriskToken */:
- if (state === 0 /* BeginningOfLine */) {
- // leading asterisks start recording on the *next* (non-whitespace) token
- state = 1 /* SawAsterisk */;
- indent += 1;
- break;
- }
- // record the * as a comment
- // falls through
- default:
- if (state !== 3 /* SavingBackticks */) {
- state = 2 /* SavingComments */; // leading identifiers start recording as well
- }
- pushComment(scanner.getTokenText());
- break;
- }
- tok = nextTokenJSDoc();
- }
- removeLeadingNewlines(comments);
- removeTrailingWhitespace(comments);
- return comments.length === 0 ? undefined : comments.join("");
- }
- function parseUnknownTag(start, tagName) {
- var result = createNode(306 /* JSDocTag */, start);
- result.tagName = tagName;
- return finishNode(result);
- }
- function addTag(tag) {
- if (!tag) {
- return;
- }
- if (!tags) {
- tags = [tag];
- tagsPos = tag.pos;
- }
- else {
- tags.push(tag);
- }
- tagsEnd = tag.end;
- }
- function tryParseTypeExpression() {
- skipWhitespaceOrAsterisk();
- return token() === 18 /* OpenBraceToken */ ? parseJSDocTypeExpression() : undefined;
- }
- function parseBracketNameInPropertyAndParamTag() {
- // Looking for something like '[foo]', 'foo', '[foo.bar]' or 'foo.bar'
- var isBracketed = parseOptionalJsdoc(22 /* OpenBracketToken */);
- if (isBracketed) {
- skipWhitespace();
- }
- // a markdown-quoted name: `arg` is not legal jsdoc, but occurs in the wild
- var isBackquoted = parseOptionalJsdoc(61 /* BacktickToken */);
- var name = parseJSDocEntityName();
- if (isBackquoted) {
- parseExpectedTokenJSDoc(61 /* BacktickToken */);
- }
- if (isBracketed) {
- skipWhitespace();
- // May have an optional default, e.g. '[foo = 42]'
- if (parseOptionalToken(62 /* EqualsToken */)) {
- parseExpression();
- }
- parseExpected(23 /* CloseBracketToken */);
- }
- return { name: name, isBracketed: isBracketed };
- }
- function isObjectOrObjectArrayTypeReference(node) {
- switch (node.kind) {
- case 141 /* ObjectKeyword */:
- return true;
- case 174 /* ArrayType */:
- return isObjectOrObjectArrayTypeReference(node.elementType);
- default:
- return ts.isTypeReferenceNode(node) && ts.isIdentifier(node.typeName) && node.typeName.escapedText === "Object" && !node.typeArguments;
- }
- }
- function parseParameterOrPropertyTag(start, tagName, target, indent) {
- var typeExpression = tryParseTypeExpression();
- var isNameFirst = !typeExpression;
- skipWhitespaceOrAsterisk();
- var _a = parseBracketNameInPropertyAndParamTag(), name = _a.name, isBracketed = _a.isBracketed;
- skipWhitespace();
- if (isNameFirst) {
- typeExpression = tryParseTypeExpression();
- }
- var result = target === 1 /* Property */ ?
- createNode(323 /* JSDocPropertyTag */, start) :
- createNode(317 /* JSDocParameterTag */, start);
- var comment = parseTagComments(indent + scanner.getStartPos() - start);
- var nestedTypeLiteral = target !== 4 /* CallbackParameter */ && parseNestedTypeLiteral(typeExpression, name, target, indent);
- if (nestedTypeLiteral) {
- typeExpression = nestedTypeLiteral;
- isNameFirst = true;
- }
- result.tagName = tagName;
- result.typeExpression = typeExpression;
- result.name = name;
- result.isNameFirst = isNameFirst;
- result.isBracketed = isBracketed;
- result.comment = comment;
- return finishNode(result);
- }
- function parseNestedTypeLiteral(typeExpression, name, target, indent) {
- if (typeExpression && isObjectOrObjectArrayTypeReference(typeExpression.type)) {
- var typeLiteralExpression = createNode(294 /* JSDocTypeExpression */, scanner.getTokenPos());
- var child = void 0;
- var jsdocTypeLiteral = void 0;
- var start_3 = scanner.getStartPos();
- var children = void 0;
- while (child = tryParse(function () { return parseChildParameterOrPropertyTag(target, indent, name); })) {
- if (child.kind === 317 /* JSDocParameterTag */ || child.kind === 323 /* JSDocPropertyTag */) {
- children = ts.append(children, child);
- }
- }
- if (children) {
- jsdocTypeLiteral = createNode(304 /* JSDocTypeLiteral */, start_3);
- jsdocTypeLiteral.jsDocPropertyTags = children;
- if (typeExpression.type.kind === 174 /* ArrayType */) {
- jsdocTypeLiteral.isArrayType = true;
- }
- typeLiteralExpression.type = finishNode(jsdocTypeLiteral);
- return finishNode(typeLiteralExpression);
- }
- }
- }
- function parseReturnTag(start, tagName) {
- if (ts.some(tags, ts.isJSDocReturnTag)) {
- parseErrorAt(tagName.pos, scanner.getTokenPos(), ts.Diagnostics._0_tag_already_specified, tagName.escapedText);
- }
- var result = createNode(318 /* JSDocReturnTag */, start);
- result.tagName = tagName;
- result.typeExpression = tryParseTypeExpression();
- return finishNode(result);
- }
- function parseTypeTag(start, tagName) {
- if (ts.some(tags, ts.isJSDocTypeTag)) {
- parseErrorAt(tagName.pos, scanner.getTokenPos(), ts.Diagnostics._0_tag_already_specified, tagName.escapedText);
- }
- var result = createNode(320 /* JSDocTypeTag */, start);
- result.tagName = tagName;
- result.typeExpression = parseJSDocTypeExpression(/*mayOmitBraces*/ true);
- return finishNode(result);
- }
- function parseAuthorTag(start, tagName, indent) {
- var result = createNode(309 /* JSDocAuthorTag */, start);
- result.tagName = tagName;
- var authorInfoWithEmail = tryParse(function () { return tryParseAuthorNameAndEmail(); });
- if (!authorInfoWithEmail) {
- return finishNode(result);
- }
- result.comment = authorInfoWithEmail;
- if (lookAhead(function () { return nextToken() !== 4 /* NewLineTrivia */; })) {
- var comment = parseTagComments(indent);
- if (comment) {
- result.comment += comment;
- }
- }
- return finishNode(result);
- }
- function tryParseAuthorNameAndEmail() {
- var comments = [];
- var seenLessThan = false;
- var seenGreaterThan = false;
- var token = scanner.getToken();
- loop: while (true) {
- switch (token) {
- case 75 /* Identifier */:
- case 5 /* WhitespaceTrivia */:
- case 24 /* DotToken */:
- case 59 /* AtToken */:
- comments.push(scanner.getTokenText());
- break;
- case 29 /* LessThanToken */:
- if (seenLessThan || seenGreaterThan) {
- return;
- }
- seenLessThan = true;
- comments.push(scanner.getTokenText());
- break;
- case 31 /* GreaterThanToken */:
- if (!seenLessThan || seenGreaterThan) {
- return;
- }
- seenGreaterThan = true;
- comments.push(scanner.getTokenText());
- scanner.setTextPos(scanner.getTokenPos() + 1);
- break loop;
- case 4 /* NewLineTrivia */:
- case 1 /* EndOfFileToken */:
- break loop;
- }
- token = nextTokenJSDoc();
- }
- if (seenLessThan && seenGreaterThan) {
- return comments.length === 0 ? undefined : comments.join("");
- }
- }
- function parseImplementsTag(start, tagName) {
- var result = createNode(308 /* JSDocImplementsTag */, start);
- result.tagName = tagName;
- result.class = parseExpressionWithTypeArgumentsForAugments();
- return finishNode(result);
- }
- function parseAugmentsTag(start, tagName) {
- var result = createNode(307 /* JSDocAugmentsTag */, start);
- result.tagName = tagName;
- result.class = parseExpressionWithTypeArgumentsForAugments();
- return finishNode(result);
- }
- function parseExpressionWithTypeArgumentsForAugments() {
- var usedBrace = parseOptional(18 /* OpenBraceToken */);
- var node = createNode(216 /* ExpressionWithTypeArguments */);
- node.expression = parsePropertyAccessEntityNameExpression();
- node.typeArguments = tryParseTypeArguments();
- var res = finishNode(node);
- if (usedBrace) {
- parseExpected(19 /* CloseBraceToken */);
- }
- return res;
- }
- function parsePropertyAccessEntityNameExpression() {
- var node = parseJSDocIdentifierName();
- while (parseOptional(24 /* DotToken */)) {
- var prop = createNode(194 /* PropertyAccessExpression */, node.pos);
- prop.expression = node;
- prop.name = parseJSDocIdentifierName();
- node = finishNode(prop);
- }
- return node;
- }
- function parseSimpleTag(start, kind, tagName) {
- var tag = createNode(kind, start);
- tag.tagName = tagName;
- return finishNode(tag);
- }
- function parseThisTag(start, tagName) {
- var tag = createNode(319 /* JSDocThisTag */, start);
- tag.tagName = tagName;
- tag.typeExpression = parseJSDocTypeExpression(/*mayOmitBraces*/ true);
- skipWhitespace();
- return finishNode(tag);
- }
- function parseEnumTag(start, tagName) {
- var tag = createNode(316 /* JSDocEnumTag */, start);
- tag.tagName = tagName;
- tag.typeExpression = parseJSDocTypeExpression(/*mayOmitBraces*/ true);
- skipWhitespace();
- return finishNode(tag);
- }
- function parseTypedefTag(start, tagName, indent) {
- var typeExpression = tryParseTypeExpression();
- skipWhitespaceOrAsterisk();
- var typedefTag = createNode(322 /* JSDocTypedefTag */, start);
- typedefTag.tagName = tagName;
- typedefTag.fullName = parseJSDocTypeNameWithNamespace();
- typedefTag.name = getJSDocTypeAliasName(typedefTag.fullName);
- skipWhitespace();
- typedefTag.comment = parseTagComments(indent);
- typedefTag.typeExpression = typeExpression;
- var end;
- if (!typeExpression || isObjectOrObjectArrayTypeReference(typeExpression.type)) {
- var child = void 0;
- var jsdocTypeLiteral = void 0;
- var childTypeTag = void 0;
- while (child = tryParse(function () { return parseChildPropertyTag(indent); })) {
- if (!jsdocTypeLiteral) {
- jsdocTypeLiteral = createNode(304 /* JSDocTypeLiteral */, start);
- }
- if (child.kind === 320 /* JSDocTypeTag */) {
- if (childTypeTag) {
- break;
- }
- else {
- childTypeTag = child;
- }
- }
- else {
- jsdocTypeLiteral.jsDocPropertyTags = ts.append(jsdocTypeLiteral.jsDocPropertyTags, child);
- }
- }
- if (jsdocTypeLiteral) {
- if (typeExpression && typeExpression.type.kind === 174 /* ArrayType */) {
- jsdocTypeLiteral.isArrayType = true;
- }
- typedefTag.typeExpression = childTypeTag && childTypeTag.typeExpression && !isObjectOrObjectArrayTypeReference(childTypeTag.typeExpression.type) ?
- childTypeTag.typeExpression :
- finishNode(jsdocTypeLiteral);
- end = typedefTag.typeExpression.end;
- }
- }
- // Only include the characters between the name end and the next token if a comment was actually parsed out - otherwise it's just whitespace
- return finishNode(typedefTag, end || typedefTag.comment !== undefined ? scanner.getStartPos() : (typedefTag.fullName || typedefTag.typeExpression || typedefTag.tagName).end);
- }
- function parseJSDocTypeNameWithNamespace(nested) {
- var pos = scanner.getTokenPos();
- if (!ts.tokenIsIdentifierOrKeyword(token())) {
- return undefined;
- }
- var typeNameOrNamespaceName = parseJSDocIdentifierName();
- if (parseOptional(24 /* DotToken */)) {
- var jsDocNamespaceNode = createNode(249 /* ModuleDeclaration */, pos);
- if (nested) {
- jsDocNamespaceNode.flags |= 4 /* NestedNamespace */;
- }
- jsDocNamespaceNode.name = typeNameOrNamespaceName;
- jsDocNamespaceNode.body = parseJSDocTypeNameWithNamespace(/*nested*/ true);
- return finishNode(jsDocNamespaceNode);
- }
- if (nested) {
- typeNameOrNamespaceName.isInJSDocNamespace = true;
- }
- return typeNameOrNamespaceName;
- }
- function parseCallbackTag(start, tagName, indent) {
- var callbackTag = createNode(315 /* JSDocCallbackTag */, start);
- callbackTag.tagName = tagName;
- callbackTag.fullName = parseJSDocTypeNameWithNamespace();
- callbackTag.name = getJSDocTypeAliasName(callbackTag.fullName);
- skipWhitespace();
- callbackTag.comment = parseTagComments(indent);
- var child;
- var jsdocSignature = createNode(305 /* JSDocSignature */, start);
- jsdocSignature.parameters = [];
- while (child = tryParse(function () { return parseChildParameterOrPropertyTag(4 /* CallbackParameter */, indent); })) {
- jsdocSignature.parameters = ts.append(jsdocSignature.parameters, child);
- }
- var returnTag = tryParse(function () {
- if (parseOptionalJsdoc(59 /* AtToken */)) {
- var tag = parseTag(indent);
- if (tag && tag.kind === 318 /* JSDocReturnTag */) {
- return tag;
- }
- }
- });
- if (returnTag) {
- jsdocSignature.type = returnTag;
- }
- callbackTag.typeExpression = finishNode(jsdocSignature);
- return finishNode(callbackTag);
- }
- function getJSDocTypeAliasName(fullName) {
- if (fullName) {
- var rightNode = fullName;
- while (true) {
- if (ts.isIdentifier(rightNode) || !rightNode.body) {
- return ts.isIdentifier(rightNode) ? rightNode : rightNode.name;
- }
- rightNode = rightNode.body;
- }
- }
- }
- function escapedTextsEqual(a, b) {
- while (!ts.isIdentifier(a) || !ts.isIdentifier(b)) {
- if (!ts.isIdentifier(a) && !ts.isIdentifier(b) && a.right.escapedText === b.right.escapedText) {
- a = a.left;
- b = b.left;
- }
- else {
- return false;
- }
- }
- return a.escapedText === b.escapedText;
- }
- function parseChildPropertyTag(indent) {
- return parseChildParameterOrPropertyTag(1 /* Property */, indent);
- }
- function parseChildParameterOrPropertyTag(target, indent, name) {
- var canParseTag = true;
- var seenAsterisk = false;
- while (true) {
- switch (nextTokenJSDoc()) {
- case 59 /* AtToken */:
- if (canParseTag) {
- var child = tryParseChildTag(target, indent);
- if (child && (child.kind === 317 /* JSDocParameterTag */ || child.kind === 323 /* JSDocPropertyTag */) &&
- target !== 4 /* CallbackParameter */ &&
- name && (ts.isIdentifier(child.name) || !escapedTextsEqual(name, child.name.left))) {
- return false;
- }
- return child;
- }
- seenAsterisk = false;
- break;
- case 4 /* NewLineTrivia */:
- canParseTag = true;
- seenAsterisk = false;
- break;
- case 41 /* AsteriskToken */:
- if (seenAsterisk) {
- canParseTag = false;
- }
- seenAsterisk = true;
- break;
- case 75 /* Identifier */:
- canParseTag = false;
- break;
- case 1 /* EndOfFileToken */:
- return false;
- }
- }
- }
- function tryParseChildTag(target, indent) {
- ts.Debug.assert(token() === 59 /* AtToken */);
- var start = scanner.getStartPos();
- nextTokenJSDoc();
- var tagName = parseJSDocIdentifierName();
- skipWhitespace();
- var t;
- switch (tagName.escapedText) {
- case "type":
- return target === 1 /* Property */ && parseTypeTag(start, tagName);
- case "prop":
- case "property":
- t = 1 /* Property */;
- break;
- case "arg":
- case "argument":
- case "param":
- t = 2 /* Parameter */ | 4 /* CallbackParameter */;
- break;
- default:
- return false;
- }
- if (!(target & t)) {
- return false;
- }
- return parseParameterOrPropertyTag(start, tagName, target, indent);
- }
- function parseTemplateTag(start, tagName) {
- // the template tag looks like '@template {Constraint} T,U,V'
- var constraint;
- if (token() === 18 /* OpenBraceToken */) {
- constraint = parseJSDocTypeExpression();
- }
- var typeParameters = [];
- var typeParametersPos = getNodePos();
- do {
- skipWhitespace();
- var typeParameter = createNode(155 /* TypeParameter */);
- typeParameter.name = parseJSDocIdentifierName(ts.Diagnostics.Unexpected_token_A_type_parameter_name_was_expected_without_curly_braces);
- finishNode(typeParameter);
- skipWhitespaceOrAsterisk();
- typeParameters.push(typeParameter);
- } while (parseOptionalJsdoc(27 /* CommaToken */));
- var result = createNode(321 /* JSDocTemplateTag */, start);
- result.tagName = tagName;
- result.constraint = constraint;
- result.typeParameters = createNodeArray(typeParameters, typeParametersPos);
- finishNode(result);
- return result;
- }
- function parseOptionalJsdoc(t) {
- if (token() === t) {
- nextTokenJSDoc();
- return true;
- }
- return false;
- }
- function parseJSDocEntityName() {
- var entity = parseJSDocIdentifierName();
- if (parseOptional(22 /* OpenBracketToken */)) {
- parseExpected(23 /* CloseBracketToken */);
- // Note that y[] is accepted as an entity name, but the postfix brackets are not saved for checking.
- // Technically usejsdoc.org requires them for specifying a property of a type equivalent to Array<{ x: ...}>
- // but it's not worth it to enforce that restriction.
- }
- while (parseOptional(24 /* DotToken */)) {
- var name = parseJSDocIdentifierName();
- if (parseOptional(22 /* OpenBracketToken */)) {
- parseExpected(23 /* CloseBracketToken */);
- }
- entity = createQualifiedName(entity, name);
- }
- return entity;
- }
- function parseJSDocIdentifierName(message) {
- if (!ts.tokenIsIdentifierOrKeyword(token())) {
- return createMissingNode(75 /* Identifier */, /*reportAtCurrentPosition*/ !message, message || ts.Diagnostics.Identifier_expected);
- }
- identifierCount++;
- var pos = scanner.getTokenPos();
- var end = scanner.getTextPos();
- var result = createNode(75 /* Identifier */, pos);
- if (token() !== 75 /* Identifier */) {
- result.originalKeywordKind = token();
- }
- result.escapedText = ts.escapeLeadingUnderscores(internIdentifier(scanner.getTokenValue()));
- finishNode(result, end);
- nextTokenJSDoc();
- return result;
- }
- }
- })(JSDocParser = Parser.JSDocParser || (Parser.JSDocParser = {}));
- })(Parser || (Parser = {}));
- var IncrementalParser;
- (function (IncrementalParser) {
- function updateSourceFile(sourceFile, newText, textChangeRange, aggressiveChecks) {
- aggressiveChecks = aggressiveChecks || ts.Debug.shouldAssert(2 /* Aggressive */);
- checkChangeRange(sourceFile, newText, textChangeRange, aggressiveChecks);
- if (ts.textChangeRangeIsUnchanged(textChangeRange)) {
- // if the text didn't change, then we can just return our current source file as-is.
- return sourceFile;
- }
- if (sourceFile.statements.length === 0) {
- // If we don't have any statements in the current source file, then there's no real
- // way to incrementally parse. So just do a full parse instead.
- return Parser.parseSourceFile(sourceFile.fileName, newText, sourceFile.languageVersion, /*syntaxCursor*/ undefined, /*setParentNodes*/ true, sourceFile.scriptKind);
- }
- // Make sure we're not trying to incrementally update a source file more than once. Once
- // we do an update the original source file is considered unusable from that point onwards.
- //
- // This is because we do incremental parsing in-place. i.e. we take nodes from the old
- // tree and give them new positions and parents. From that point on, trusting the old
- // tree at all is not possible as far too much of it may violate invariants.
- var incrementalSourceFile = sourceFile;
- ts.Debug.assert(!incrementalSourceFile.hasBeenIncrementallyParsed);
- incrementalSourceFile.hasBeenIncrementallyParsed = true;
- var oldText = sourceFile.text;
- var syntaxCursor = createSyntaxCursor(sourceFile);
- // Make the actual change larger so that we know to reparse anything whose lookahead
- // might have intersected the change.
- var changeRange = extendToAffectedRange(sourceFile, textChangeRange);
- checkChangeRange(sourceFile, newText, changeRange, aggressiveChecks);
- // Ensure that extending the affected range only moved the start of the change range
- // earlier in the file.
- ts.Debug.assert(changeRange.span.start <= textChangeRange.span.start);
- ts.Debug.assert(ts.textSpanEnd(changeRange.span) === ts.textSpanEnd(textChangeRange.span));
- ts.Debug.assert(ts.textSpanEnd(ts.textChangeRangeNewSpan(changeRange)) === ts.textSpanEnd(ts.textChangeRangeNewSpan(textChangeRange)));
- // The is the amount the nodes after the edit range need to be adjusted. It can be
- // positive (if the edit added characters), negative (if the edit deleted characters)
- // or zero (if this was a pure overwrite with nothing added/removed).
- var delta = ts.textChangeRangeNewSpan(changeRange).length - changeRange.span.length;
- // If we added or removed characters during the edit, then we need to go and adjust all
- // the nodes after the edit. Those nodes may move forward (if we inserted chars) or they
- // may move backward (if we deleted chars).
- //
- // Doing this helps us out in two ways. First, it means that any nodes/tokens we want
- // to reuse are already at the appropriate position in the new text. That way when we
- // reuse them, we don't have to figure out if they need to be adjusted. Second, it makes
- // it very easy to determine if we can reuse a node. If the node's position is at where
- // we are in the text, then we can reuse it. Otherwise we can't. If the node's position
- // is ahead of us, then we'll need to rescan tokens. If the node's position is behind
- // us, then we'll need to skip it or crumble it as appropriate
- //
- // We will also adjust the positions of nodes that intersect the change range as well.
- // By doing this, we ensure that all the positions in the old tree are consistent, not
- // just the positions of nodes entirely before/after the change range. By being
- // consistent, we can then easily map from positions to nodes in the old tree easily.
- //
- // Also, mark any syntax elements that intersect the changed span. We know, up front,
- // that we cannot reuse these elements.
- updateTokenPositionsAndMarkElements(incrementalSourceFile, changeRange.span.start, ts.textSpanEnd(changeRange.span), ts.textSpanEnd(ts.textChangeRangeNewSpan(changeRange)), delta, oldText, newText, aggressiveChecks);
- // Now that we've set up our internal incremental state just proceed and parse the
- // source file in the normal fashion. When possible the parser will retrieve and
- // reuse nodes from the old tree.
- //
- // Note: passing in 'true' for setNodeParents is very important. When incrementally
- // parsing, we will be reusing nodes from the old tree, and placing it into new
- // parents. If we don't set the parents now, we'll end up with an observably
- // inconsistent tree. Setting the parents on the new tree should be very fast. We
- // will immediately bail out of walking any subtrees when we can see that their parents
- // are already correct.
- var result = Parser.parseSourceFile(sourceFile.fileName, newText, sourceFile.languageVersion, syntaxCursor, /*setParentNodes*/ true, sourceFile.scriptKind);
- result.commentDirectives = getNewCommentDirectives(sourceFile.commentDirectives, result.commentDirectives, changeRange.span.start, ts.textSpanEnd(changeRange.span), delta, oldText, newText, aggressiveChecks);
- return result;
- }
- IncrementalParser.updateSourceFile = updateSourceFile;
- function getNewCommentDirectives(oldDirectives, newDirectives, changeStart, changeRangeOldEnd, delta, oldText, newText, aggressiveChecks) {
- if (!oldDirectives)
- return newDirectives;
- var commentDirectives;
- var addedNewlyScannedDirectives = false;
- for (var _i = 0, oldDirectives_1 = oldDirectives; _i < oldDirectives_1.length; _i++) {
- var directive = oldDirectives_1[_i];
- var range = directive.range, type = directive.type;
- // Range before the change
- if (range.end < changeStart) {
- commentDirectives = ts.append(commentDirectives, directive);
- }
- else if (range.pos > changeRangeOldEnd) {
- addNewlyScannedDirectives();
- // Node is entirely past the change range. We need to move both its pos and
- // end, forward or backward appropriately.
- var updatedDirective = {
- range: { pos: range.pos + delta, end: range.end + delta },
- type: type
- };
- commentDirectives = ts.append(commentDirectives, updatedDirective);
- if (aggressiveChecks) {
- ts.Debug.assert(oldText.substring(range.pos, range.end) === newText.substring(updatedDirective.range.pos, updatedDirective.range.end));
- }
- }
- // Ignore ranges that fall in change range
- }
- addNewlyScannedDirectives();
- return commentDirectives;
- function addNewlyScannedDirectives() {
- if (addedNewlyScannedDirectives)
- return;
- addedNewlyScannedDirectives = true;
- if (!commentDirectives) {
- commentDirectives = newDirectives;
- }
- else if (newDirectives) {
- commentDirectives.push.apply(commentDirectives, newDirectives);
- }
- }
- }
- function moveElementEntirelyPastChangeRange(element, isArray, delta, oldText, newText, aggressiveChecks) {
- if (isArray) {
- visitArray(element);
- }
- else {
- visitNode(element);
- }
- return;
- function visitNode(node) {
- var text = "";
- if (aggressiveChecks && shouldCheckNode(node)) {
- text = oldText.substring(node.pos, node.end);
- }
- // Ditch any existing LS children we may have created. This way we can avoid
- // moving them forward.
- if (node._children) {
- node._children = undefined;
- }
- node.pos += delta;
- node.end += delta;
- if (aggressiveChecks && shouldCheckNode(node)) {
- ts.Debug.assert(text === newText.substring(node.pos, node.end));
- }
- forEachChild(node, visitNode, visitArray);
- if (ts.hasJSDocNodes(node)) {
- for (var _i = 0, _a = node.jsDoc; _i < _a.length; _i++) {
- var jsDocComment = _a[_i];
- visitNode(jsDocComment);
- }
- }
- checkNodePositions(node, aggressiveChecks);
- }
- function visitArray(array) {
- array._children = undefined;
- array.pos += delta;
- array.end += delta;
- for (var _i = 0, array_8 = array; _i < array_8.length; _i++) {
- var node = array_8[_i];
- visitNode(node);
- }
- }
- }
- function shouldCheckNode(node) {
- switch (node.kind) {
- case 10 /* StringLiteral */:
- case 8 /* NumericLiteral */:
- case 75 /* Identifier */:
- return true;
- }
- return false;
- }
- function adjustIntersectingElement(element, changeStart, changeRangeOldEnd, changeRangeNewEnd, delta) {
- ts.Debug.assert(element.end >= changeStart, "Adjusting an element that was entirely before the change range");
- ts.Debug.assert(element.pos <= changeRangeOldEnd, "Adjusting an element that was entirely after the change range");
- ts.Debug.assert(element.pos <= element.end);
- // We have an element that intersects the change range in some way. It may have its
- // start, or its end (or both) in the changed range. We want to adjust any part
- // that intersects such that the final tree is in a consistent state. i.e. all
- // children have spans within the span of their parent, and all siblings are ordered
- // properly.
- // We may need to update both the 'pos' and the 'end' of the element.
- // If the 'pos' is before the start of the change, then we don't need to touch it.
- // If it isn't, then the 'pos' must be inside the change. How we update it will
- // depend if delta is positive or negative. If delta is positive then we have
- // something like:
- //
- // -------------------AAA-----------------
- // -------------------BBBCCCCCCC-----------------
- //
- // In this case, we consider any node that started in the change range to still be
- // starting at the same position.
- //
- // however, if the delta is negative, then we instead have something like this:
- //
- // -------------------XXXYYYYYYY-----------------
- // -------------------ZZZ-----------------
- //
- // In this case, any element that started in the 'X' range will keep its position.
- // However any element that started after that will have their pos adjusted to be
- // at the end of the new range. i.e. any node that started in the 'Y' range will
- // be adjusted to have their start at the end of the 'Z' range.
- //
- // The element will keep its position if possible. Or Move backward to the new-end
- // if it's in the 'Y' range.
- element.pos = Math.min(element.pos, changeRangeNewEnd);
- // If the 'end' is after the change range, then we always adjust it by the delta
- // amount. However, if the end is in the change range, then how we adjust it
- // will depend on if delta is positive or negative. If delta is positive then we
- // have something like:
- //
- // -------------------AAA-----------------
- // -------------------BBBCCCCCCC-----------------
- //
- // In this case, we consider any node that ended inside the change range to keep its
- // end position.
- //
- // however, if the delta is negative, then we instead have something like this:
- //
- // -------------------XXXYYYYYYY-----------------
- // -------------------ZZZ-----------------
- //
- // In this case, any element that ended in the 'X' range will keep its position.
- // However any element that ended after that will have their pos adjusted to be
- // at the end of the new range. i.e. any node that ended in the 'Y' range will
- // be adjusted to have their end at the end of the 'Z' range.
- if (element.end >= changeRangeOldEnd) {
- // Element ends after the change range. Always adjust the end pos.
- element.end += delta;
- }
- else {
- // Element ends in the change range. The element will keep its position if
- // possible. Or Move backward to the new-end if it's in the 'Y' range.
- element.end = Math.min(element.end, changeRangeNewEnd);
- }
- ts.Debug.assert(element.pos <= element.end);
- if (element.parent) {
- ts.Debug.assert(element.pos >= element.parent.pos);
- ts.Debug.assert(element.end <= element.parent.end);
- }
- }
- function checkNodePositions(node, aggressiveChecks) {
- if (aggressiveChecks) {
- var pos_2 = node.pos;
- var visitNode_1 = function (child) {
- ts.Debug.assert(child.pos >= pos_2);
- pos_2 = child.end;
- };
- if (ts.hasJSDocNodes(node)) {
- for (var _i = 0, _a = node.jsDoc; _i < _a.length; _i++) {
- var jsDocComment = _a[_i];
- visitNode_1(jsDocComment);
- }
- }
- forEachChild(node, visitNode_1);
- ts.Debug.assert(pos_2 <= node.end);
- }
- }
- function updateTokenPositionsAndMarkElements(sourceFile, changeStart, changeRangeOldEnd, changeRangeNewEnd, delta, oldText, newText, aggressiveChecks) {
- visitNode(sourceFile);
- return;
- function visitNode(child) {
- ts.Debug.assert(child.pos <= child.end);
- if (child.pos > changeRangeOldEnd) {
- // Node is entirely past the change range. We need to move both its pos and
- // end, forward or backward appropriately.
- moveElementEntirelyPastChangeRange(child, /*isArray*/ false, delta, oldText, newText, aggressiveChecks);
- return;
- }
- // Check if the element intersects the change range. If it does, then it is not
- // reusable. Also, we'll need to recurse to see what constituent portions we may
- // be able to use.
- var fullEnd = child.end;
- if (fullEnd >= changeStart) {
- child.intersectsChange = true;
- child._children = undefined;
- // Adjust the pos or end (or both) of the intersecting element accordingly.
- adjustIntersectingElement(child, changeStart, changeRangeOldEnd, changeRangeNewEnd, delta);
- forEachChild(child, visitNode, visitArray);
- if (ts.hasJSDocNodes(child)) {
- for (var _i = 0, _a = child.jsDoc; _i < _a.length; _i++) {
- var jsDocComment = _a[_i];
- visitNode(jsDocComment);
- }
- }
- checkNodePositions(child, aggressiveChecks);
- return;
- }
- // Otherwise, the node is entirely before the change range. No need to do anything with it.
- ts.Debug.assert(fullEnd < changeStart);
- }
- function visitArray(array) {
- ts.Debug.assert(array.pos <= array.end);
- if (array.pos > changeRangeOldEnd) {
- // Array is entirely after the change range. We need to move it, and move any of
- // its children.
- moveElementEntirelyPastChangeRange(array, /*isArray*/ true, delta, oldText, newText, aggressiveChecks);
- return;
- }
- // Check if the element intersects the change range. If it does, then it is not
- // reusable. Also, we'll need to recurse to see what constituent portions we may
- // be able to use.
- var fullEnd = array.end;
- if (fullEnd >= changeStart) {
- array.intersectsChange = true;
- array._children = undefined;
- // Adjust the pos or end (or both) of the intersecting array accordingly.
- adjustIntersectingElement(array, changeStart, changeRangeOldEnd, changeRangeNewEnd, delta);
- for (var _i = 0, array_9 = array; _i < array_9.length; _i++) {
- var node = array_9[_i];
- visitNode(node);
- }
- return;
- }
- // Otherwise, the array is entirely before the change range. No need to do anything with it.
- ts.Debug.assert(fullEnd < changeStart);
- }
- }
- function extendToAffectedRange(sourceFile, changeRange) {
- // Consider the following code:
- // void foo() { /; }
- //
- // If the text changes with an insertion of / just before the semicolon then we end up with:
- // void foo() { //; }
- //
- // If we were to just use the changeRange a is, then we would not rescan the { token
- // (as it does not intersect the actual original change range). Because an edit may
- // change the token touching it, we actually need to look back *at least* one token so
- // that the prior token sees that change.
- var maxLookahead = 1;
- var start = changeRange.span.start;
- // the first iteration aligns us with the change start. subsequent iteration move us to
- // the left by maxLookahead tokens. We only need to do this as long as we're not at the
- // start of the tree.
- for (var i = 0; start > 0 && i <= maxLookahead; i++) {
- var nearestNode = findNearestNodeStartingBeforeOrAtPosition(sourceFile, start);
- ts.Debug.assert(nearestNode.pos <= start);
- var position = nearestNode.pos;
- start = Math.max(0, position - 1);
- }
- var finalSpan = ts.createTextSpanFromBounds(start, ts.textSpanEnd(changeRange.span));
- var finalLength = changeRange.newLength + (changeRange.span.start - start);
- return ts.createTextChangeRange(finalSpan, finalLength);
- }
- function findNearestNodeStartingBeforeOrAtPosition(sourceFile, position) {
- var bestResult = sourceFile;
- var lastNodeEntirelyBeforePosition;
- forEachChild(sourceFile, visit);
- if (lastNodeEntirelyBeforePosition) {
- var lastChildOfLastEntireNodeBeforePosition = getLastDescendant(lastNodeEntirelyBeforePosition);
- if (lastChildOfLastEntireNodeBeforePosition.pos > bestResult.pos) {
- bestResult = lastChildOfLastEntireNodeBeforePosition;
- }
- }
- return bestResult;
- function getLastDescendant(node) {
- while (true) {
- var lastChild = ts.getLastChild(node);
- if (lastChild) {
- node = lastChild;
- }
- else {
- return node;
- }
- }
- }
- function visit(child) {
- if (ts.nodeIsMissing(child)) {
- // Missing nodes are effectively invisible to us. We never even consider them
- // When trying to find the nearest node before us.
- return;
- }
- // If the child intersects this position, then this node is currently the nearest
- // node that starts before the position.
- if (child.pos <= position) {
- if (child.pos >= bestResult.pos) {
- // This node starts before the position, and is closer to the position than
- // the previous best node we found. It is now the new best node.
- bestResult = child;
- }
- // Now, the node may overlap the position, or it may end entirely before the
- // position. If it overlaps with the position, then either it, or one of its
- // children must be the nearest node before the position. So we can just
- // recurse into this child to see if we can find something better.
- if (position < child.end) {
- // The nearest node is either this child, or one of the children inside
- // of it. We've already marked this child as the best so far. Recurse
- // in case one of the children is better.
- forEachChild(child, visit);
- // Once we look at the children of this node, then there's no need to
- // continue any further.
- return true;
- }
- else {
- ts.Debug.assert(child.end <= position);
- // The child ends entirely before this position. Say you have the following
- // (where $ is the position)
- //
- // <complex expr 1> ? <complex expr 2> $ : <...> <...>
- //
- // We would want to find the nearest preceding node in "complex expr 2".
- // To support that, we keep track of this node, and once we're done searching
- // for a best node, we recurse down this node to see if we can find a good
- // result in it.
- //
- // This approach allows us to quickly skip over nodes that are entirely
- // before the position, while still allowing us to find any nodes in the
- // last one that might be what we want.
- lastNodeEntirelyBeforePosition = child;
- }
- }
- else {
- ts.Debug.assert(child.pos > position);
- // We're now at a node that is entirely past the position we're searching for.
- // This node (and all following nodes) could never contribute to the result,
- // so just skip them by returning 'true' here.
- return true;
- }
- }
- }
- function checkChangeRange(sourceFile, newText, textChangeRange, aggressiveChecks) {
- var oldText = sourceFile.text;
- if (textChangeRange) {
- ts.Debug.assert((oldText.length - textChangeRange.span.length + textChangeRange.newLength) === newText.length);
- if (aggressiveChecks || ts.Debug.shouldAssert(3 /* VeryAggressive */)) {
- var oldTextPrefix = oldText.substr(0, textChangeRange.span.start);
- var newTextPrefix = newText.substr(0, textChangeRange.span.start);
- ts.Debug.assert(oldTextPrefix === newTextPrefix);
- var oldTextSuffix = oldText.substring(ts.textSpanEnd(textChangeRange.span), oldText.length);
- var newTextSuffix = newText.substring(ts.textSpanEnd(ts.textChangeRangeNewSpan(textChangeRange)), newText.length);
- ts.Debug.assert(oldTextSuffix === newTextSuffix);
- }
- }
- }
- function createSyntaxCursor(sourceFile) {
- var currentArray = sourceFile.statements;
- var currentArrayIndex = 0;
- ts.Debug.assert(currentArrayIndex < currentArray.length);
- var current = currentArray[currentArrayIndex];
- var lastQueriedPosition = -1 /* Value */;
- return {
- currentNode: function (position) {
- // Only compute the current node if the position is different than the last time
- // we were asked. The parser commonly asks for the node at the same position
- // twice. Once to know if can read an appropriate list element at a certain point,
- // and then to actually read and consume the node.
- if (position !== lastQueriedPosition) {
- // Much of the time the parser will need the very next node in the array that
- // we just returned a node from.So just simply check for that case and move
- // forward in the array instead of searching for the node again.
- if (current && current.end === position && currentArrayIndex < (currentArray.length - 1)) {
- currentArrayIndex++;
- current = currentArray[currentArrayIndex];
- }
- // If we don't have a node, or the node we have isn't in the right position,
- // then try to find a viable node at the position requested.
- if (!current || current.pos !== position) {
- findHighestListElementThatStartsAtPosition(position);
- }
- }
- // Cache this query so that we don't do any extra work if the parser calls back
- // into us. Note: this is very common as the parser will make pairs of calls like
- // 'isListElement -> parseListElement'. If we were unable to find a node when
- // called with 'isListElement', we don't want to redo the work when parseListElement
- // is called immediately after.
- lastQueriedPosition = position;
- // Either we don'd have a node, or we have a node at the position being asked for.
- ts.Debug.assert(!current || current.pos === position);
- return current;
- }
- };
- // Finds the highest element in the tree we can find that starts at the provided position.
- // The element must be a direct child of some node list in the tree. This way after we
- // return it, we can easily return its next sibling in the list.
- function findHighestListElementThatStartsAtPosition(position) {
- // Clear out any cached state about the last node we found.
- currentArray = undefined;
- currentArrayIndex = -1 /* Value */;
- current = undefined;
- // Recurse into the source file to find the highest node at this position.
- forEachChild(sourceFile, visitNode, visitArray);
- return;
- function visitNode(node) {
- if (position >= node.pos && position < node.end) {
- // Position was within this node. Keep searching deeper to find the node.
- forEachChild(node, visitNode, visitArray);
- // don't proceed any further in the search.
- return true;
- }
- // position wasn't in this node, have to keep searching.
- return false;
- }
- function visitArray(array) {
- if (position >= array.pos && position < array.end) {
- // position was in this array. Search through this array to see if we find a
- // viable element.
- for (var i = 0; i < array.length; i++) {
- var child = array[i];
- if (child) {
- if (child.pos === position) {
- // Found the right node. We're done.
- currentArray = array;
- currentArrayIndex = i;
- current = child;
- return true;
- }
- else {
- if (child.pos < position && position < child.end) {
- // Position in somewhere within this child. Search in it and
- // stop searching in this array.
- forEachChild(child, visitNode, visitArray);
- return true;
- }
- }
- }
- }
- }
- // position wasn't in this array, have to keep searching.
- return false;
- }
- }
- }
- var InvalidPosition;
- (function (InvalidPosition) {
- InvalidPosition[InvalidPosition["Value"] = -1] = "Value";
- })(InvalidPosition || (InvalidPosition = {}));
- })(IncrementalParser || (IncrementalParser = {}));
- /** @internal */
- function isDeclarationFileName(fileName) {
- return ts.fileExtensionIs(fileName, ".d.ts" /* Dts */);
- }
- ts.isDeclarationFileName = isDeclarationFileName;
- /*@internal*/
- function processCommentPragmas(context, sourceText) {
- var pragmas = [];
- for (var _i = 0, _a = ts.getLeadingCommentRanges(sourceText, 0) || ts.emptyArray; _i < _a.length; _i++) {
- var range = _a[_i];
- var comment = sourceText.substring(range.pos, range.end);
- extractPragmas(pragmas, range, comment);
- }
- context.pragmas = ts.createMap();
- for (var _b = 0, pragmas_1 = pragmas; _b < pragmas_1.length; _b++) {
- var pragma = pragmas_1[_b];
- if (context.pragmas.has(pragma.name)) {
- var currentValue = context.pragmas.get(pragma.name);
- if (currentValue instanceof Array) {
- currentValue.push(pragma.args);
- }
- else {
- context.pragmas.set(pragma.name, [currentValue, pragma.args]);
- }
- continue;
- }
- context.pragmas.set(pragma.name, pragma.args);
- }
- }
- ts.processCommentPragmas = processCommentPragmas;
- /*@internal*/
- function processPragmasIntoFields(context, reportDiagnostic) {
- context.checkJsDirective = undefined;
- context.referencedFiles = [];
- context.typeReferenceDirectives = [];
- context.libReferenceDirectives = [];
- context.amdDependencies = [];
- context.hasNoDefaultLib = false;
- context.pragmas.forEach(function (entryOrList, key) {
- // TODO: The below should be strongly type-guarded and not need casts/explicit annotations, since entryOrList is related to
- // key and key is constrained to a union; but it's not (see GH#21483 for at least partial fix) :(
- switch (key) {
- case "reference": {
- var referencedFiles_1 = context.referencedFiles;
- var typeReferenceDirectives_1 = context.typeReferenceDirectives;
- var libReferenceDirectives_1 = context.libReferenceDirectives;
- ts.forEach(ts.toArray(entryOrList), function (arg) {
- var _a = arg.arguments, types = _a.types, lib = _a.lib, path = _a.path;
- if (arg.arguments["no-default-lib"]) {
- context.hasNoDefaultLib = true;
- }
- else if (types) {
- typeReferenceDirectives_1.push({ pos: types.pos, end: types.end, fileName: types.value });
- }
- else if (lib) {
- libReferenceDirectives_1.push({ pos: lib.pos, end: lib.end, fileName: lib.value });
- }
- else if (path) {
- referencedFiles_1.push({ pos: path.pos, end: path.end, fileName: path.value });
- }
- else {
- reportDiagnostic(arg.range.pos, arg.range.end - arg.range.pos, ts.Diagnostics.Invalid_reference_directive_syntax);
- }
- });
- break;
- }
- case "amd-dependency": {
- context.amdDependencies = ts.map(ts.toArray(entryOrList), function (x) { return ({ name: x.arguments.name, path: x.arguments.path }); });
- break;
- }
- case "amd-module": {
- if (entryOrList instanceof Array) {
- for (var _i = 0, entryOrList_1 = entryOrList; _i < entryOrList_1.length; _i++) {
- var entry = entryOrList_1[_i];
- if (context.moduleName) {
- // TODO: It's probably fine to issue this diagnostic on all instances of the pragma
- reportDiagnostic(entry.range.pos, entry.range.end - entry.range.pos, ts.Diagnostics.An_AMD_module_cannot_have_multiple_name_assignments);
- }
- context.moduleName = entry.arguments.name;
- }
- }
- else {
- context.moduleName = entryOrList.arguments.name;
- }
- break;
- }
- case "ts-nocheck":
- case "ts-check": {
- // _last_ of either nocheck or check in a file is the "winner"
- ts.forEach(ts.toArray(entryOrList), function (entry) {
- if (!context.checkJsDirective || entry.range.pos > context.checkJsDirective.pos) {
- context.checkJsDirective = {
- enabled: key === "ts-check",
- end: entry.range.end,
- pos: entry.range.pos
- };
- }
- });
- break;
- }
- case "jsx": return; // Accessed directly
- default: ts.Debug.fail("Unhandled pragma kind"); // Can this be made into an assertNever in the future?
- }
- });
- }
- ts.processPragmasIntoFields = processPragmasIntoFields;
- var namedArgRegExCache = ts.createMap();
- function getNamedArgRegEx(name) {
- if (namedArgRegExCache.has(name)) {
- return namedArgRegExCache.get(name);
- }
- var result = new RegExp("(\\s" + name + "\\s*=\\s*)('|\")(.+?)\\2", "im");
- namedArgRegExCache.set(name, result);
- return result;
- }
- var tripleSlashXMLCommentStartRegEx = /^\/\/\/\s*<(\S+)\s.*?\/>/im;
- var singleLinePragmaRegEx = /^\/\/\/?\s*@(\S+)\s*(.*)\s*$/im;
- function extractPragmas(pragmas, range, text) {
- var tripleSlash = range.kind === 2 /* SingleLineCommentTrivia */ && tripleSlashXMLCommentStartRegEx.exec(text);
- if (tripleSlash) {
- var name = tripleSlash[1].toLowerCase(); // Technically unsafe cast, but we do it so the below check to make it safe typechecks
- var pragma = ts.commentPragmas[name];
- if (!pragma || !(pragma.kind & 1 /* TripleSlashXML */)) {
- return;
- }
- if (pragma.args) {
- var argument = {};
- for (var _i = 0, _a = pragma.args; _i < _a.length; _i++) {
- var arg = _a[_i];
- var matcher = getNamedArgRegEx(arg.name);
- var matchResult = matcher.exec(text);
- if (!matchResult && !arg.optional) {
- return; // Missing required argument, don't parse
- }
- else if (matchResult) {
- if (arg.captureSpan) {
- var startPos = range.pos + matchResult.index + matchResult[1].length + matchResult[2].length;
- argument[arg.name] = {
- value: matchResult[3],
- pos: startPos,
- end: startPos + matchResult[3].length
- };
- }
- else {
- argument[arg.name] = matchResult[3];
- }
- }
- }
- pragmas.push({ name: name, args: { arguments: argument, range: range } });
- }
- else {
- pragmas.push({ name: name, args: { arguments: {}, range: range } });
- }
- return;
- }
- var singleLine = range.kind === 2 /* SingleLineCommentTrivia */ && singleLinePragmaRegEx.exec(text);
- if (singleLine) {
- return addPragmaForMatch(pragmas, range, 2 /* SingleLine */, singleLine);
- }
- if (range.kind === 3 /* MultiLineCommentTrivia */) {
- var multiLinePragmaRegEx = /\s*@(\S+)\s*(.*)\s*$/gim; // Defined inline since it uses the "g" flag, which keeps a persistent index (for iterating)
- var multiLineMatch = void 0;
- while (multiLineMatch = multiLinePragmaRegEx.exec(text)) {
- addPragmaForMatch(pragmas, range, 4 /* MultiLine */, multiLineMatch);
- }
- }
- }
- function addPragmaForMatch(pragmas, range, kind, match) {
- if (!match)
- return;
- var name = match[1].toLowerCase(); // Technically unsafe cast, but we do it so they below check to make it safe typechecks
- var pragma = ts.commentPragmas[name];
- if (!pragma || !(pragma.kind & kind)) {
- return;
- }
- var args = match[2]; // Split on spaces and match up positionally with definition
- var argument = getNamedPragmaArguments(pragma, args);
- if (argument === "fail")
- return; // Missing required argument, fail to parse it
- pragmas.push({ name: name, args: { arguments: argument, range: range } });
- return;
- }
- function getNamedPragmaArguments(pragma, text) {
- if (!text)
- return {};
- if (!pragma.args)
- return {};
- var args = text.split(/\s+/);
- var argMap = {};
- for (var i = 0; i < pragma.args.length; i++) {
- var argument = pragma.args[i];
- if (!args[i] && !argument.optional) {
- return "fail";
- }
- if (argument.captureSpan) {
- return ts.Debug.fail("Capture spans not yet implemented for non-xml pragmas");
- }
- argMap[argument.name] = args[i];
- }
- return argMap;
- }
- /** @internal */
- function tagNamesAreEquivalent(lhs, rhs) {
- if (lhs.kind !== rhs.kind) {
- return false;
- }
- if (lhs.kind === 75 /* Identifier */) {
- return lhs.escapedText === rhs.escapedText;
- }
- if (lhs.kind === 104 /* ThisKeyword */) {
- return true;
- }
- // If we are at this statement then we must have PropertyAccessExpression and because tag name in Jsx element can only
- // take forms of JsxTagNameExpression which includes an identifier, "this" expression, or another propertyAccessExpression
- // it is safe to case the expression property as such. See parseJsxElementName for how we parse tag name in Jsx element
- return lhs.name.escapedText === rhs.name.escapedText &&
- tagNamesAreEquivalent(lhs.expression, rhs.expression);
- }
- ts.tagNamesAreEquivalent = tagNamesAreEquivalent;
-})(ts || (ts = {}));
-var ts;
-(function (ts) {
- /* @internal */
- ts.compileOnSaveCommandLineOption = { name: "compileOnSave", type: "boolean" };
- // NOTE: The order here is important to default lib ordering as entries will have the same
- // order in the generated program (see `getDefaultLibPriority` in program.ts). This
- // order also affects overload resolution when a type declared in one lib is
- // augmented in another lib.
- var libEntries = [
- // JavaScript only
- ["es5", "lib.es5.d.ts"],
- ["es6", "lib.es2015.d.ts"],
- ["es2015", "lib.es2015.d.ts"],
- ["es7", "lib.es2016.d.ts"],
- ["es2016", "lib.es2016.d.ts"],
- ["es2017", "lib.es2017.d.ts"],
- ["es2018", "lib.es2018.d.ts"],
- ["es2019", "lib.es2019.d.ts"],
- ["es2020", "lib.es2020.d.ts"],
- ["esnext", "lib.esnext.d.ts"],
- // Host only
- ["dom", "lib.dom.d.ts"],
- ["dom.iterable", "lib.dom.iterable.d.ts"],
- ["webworker", "lib.webworker.d.ts"],
- ["webworker.importscripts", "lib.webworker.importscripts.d.ts"],
- ["scripthost", "lib.scripthost.d.ts"],
- // ES2015 Or ESNext By-feature options
- ["es2015.core", "lib.es2015.core.d.ts"],
- ["es2015.collection", "lib.es2015.collection.d.ts"],
- ["es2015.generator", "lib.es2015.generator.d.ts"],
- ["es2015.iterable", "lib.es2015.iterable.d.ts"],
- ["es2015.promise", "lib.es2015.promise.d.ts"],
- ["es2015.proxy", "lib.es2015.proxy.d.ts"],
- ["es2015.reflect", "lib.es2015.reflect.d.ts"],
- ["es2015.symbol", "lib.es2015.symbol.d.ts"],
- ["es2015.symbol.wellknown", "lib.es2015.symbol.wellknown.d.ts"],
- ["es2016.array.include", "lib.es2016.array.include.d.ts"],
- ["es2017.object", "lib.es2017.object.d.ts"],
- ["es2017.sharedmemory", "lib.es2017.sharedmemory.d.ts"],
- ["es2017.string", "lib.es2017.string.d.ts"],
- ["es2017.intl", "lib.es2017.intl.d.ts"],
- ["es2017.typedarrays", "lib.es2017.typedarrays.d.ts"],
- ["es2018.asyncgenerator", "lib.es2018.asyncgenerator.d.ts"],
- ["es2018.asynciterable", "lib.es2018.asynciterable.d.ts"],
- ["es2018.intl", "lib.es2018.intl.d.ts"],
- ["es2018.promise", "lib.es2018.promise.d.ts"],
- ["es2018.regexp", "lib.es2018.regexp.d.ts"],
- ["es2019.array", "lib.es2019.array.d.ts"],
- ["es2019.object", "lib.es2019.object.d.ts"],
- ["es2019.string", "lib.es2019.string.d.ts"],
- ["es2019.symbol", "lib.es2019.symbol.d.ts"],
- ["es2020.bigint", "lib.es2020.bigint.d.ts"],
- ["es2020.promise", "lib.es2020.promise.d.ts"],
- ["es2020.string", "lib.es2020.string.d.ts"],
- ["es2020.symbol.wellknown", "lib.es2020.symbol.wellknown.d.ts"],
- ["esnext.array", "lib.es2019.array.d.ts"],
- ["esnext.symbol", "lib.es2019.symbol.d.ts"],
- ["esnext.asynciterable", "lib.es2018.asynciterable.d.ts"],
- ["esnext.intl", "lib.esnext.intl.d.ts"],
- ["esnext.bigint", "lib.es2020.bigint.d.ts"],
- ["esnext.string", "lib.esnext.string.d.ts"],
- ["esnext.promise", "lib.esnext.promise.d.ts"]
- ];
- /**
- * An array of supported "lib" reference file names used to determine the order for inclusion
- * when referenced, as well as for spelling suggestions. This ensures the correct ordering for
- * overload resolution when a type declared in one lib is extended by another.
- */
- /* @internal */
- ts.libs = libEntries.map(function (entry) { return entry[0]; });
- /**
- * A map of lib names to lib files. This map is used both for parsing the "lib" command line
- * option as well as for resolving lib reference directives.
- */
- /* @internal */
- ts.libMap = ts.createMapFromEntries(libEntries);
- // Watch related options
- /* @internal */
- ts.optionsForWatch = [
- {
- name: "watchFile",
- type: ts.createMapFromTemplate({
- fixedpollinginterval: ts.WatchFileKind.FixedPollingInterval,
- prioritypollinginterval: ts.WatchFileKind.PriorityPollingInterval,
- dynamicprioritypolling: ts.WatchFileKind.DynamicPriorityPolling,
- usefsevents: ts.WatchFileKind.UseFsEvents,
- usefseventsonparentdirectory: ts.WatchFileKind.UseFsEventsOnParentDirectory,
- }),
- category: ts.Diagnostics.Advanced_Options,
- description: ts.Diagnostics.Specify_strategy_for_watching_file_Colon_FixedPollingInterval_default_PriorityPollingInterval_DynamicPriorityPolling_UseFsEvents_UseFsEventsOnParentDirectory,
- },
- {
- name: "watchDirectory",
- type: ts.createMapFromTemplate({
- usefsevents: ts.WatchDirectoryKind.UseFsEvents,
- fixedpollinginterval: ts.WatchDirectoryKind.FixedPollingInterval,
- dynamicprioritypolling: ts.WatchDirectoryKind.DynamicPriorityPolling,
- }),
- category: ts.Diagnostics.Advanced_Options,
- description: ts.Diagnostics.Specify_strategy_for_watching_directory_on_platforms_that_don_t_support_recursive_watching_natively_Colon_UseFsEvents_default_FixedPollingInterval_DynamicPriorityPolling,
- },
- {
- name: "fallbackPolling",
- type: ts.createMapFromTemplate({
- fixedinterval: ts.PollingWatchKind.FixedInterval,
- priorityinterval: ts.PollingWatchKind.PriorityInterval,
- dynamicpriority: ts.PollingWatchKind.DynamicPriority,
- }),
- category: ts.Diagnostics.Advanced_Options,
- description: ts.Diagnostics.Specify_strategy_for_creating_a_polling_watch_when_it_fails_to_create_using_file_system_events_Colon_FixedInterval_default_PriorityInterval_DynamicPriority,
- },
- {
- name: "synchronousWatchDirectory",
- type: "boolean",
- category: ts.Diagnostics.Advanced_Options,
- description: ts.Diagnostics.Synchronously_call_callbacks_and_update_the_state_of_directory_watchers_on_platforms_that_don_t_support_recursive_watching_natively,
- },
- ];
- /* @internal */
- ts.commonOptionsWithBuild = [
- {
- name: "help",
- shortName: "h",
- type: "boolean",
- showInSimplifiedHelpView: true,
- category: ts.Diagnostics.Command_line_Options,
- description: ts.Diagnostics.Print_this_message,
- },
- {
- name: "help",
- shortName: "?",
- type: "boolean"
- },
- {
- name: "watch",
- shortName: "w",
- type: "boolean",
- showInSimplifiedHelpView: true,
- category: ts.Diagnostics.Command_line_Options,
- description: ts.Diagnostics.Watch_input_files,
- },
- {
- name: "preserveWatchOutput",
- type: "boolean",
- showInSimplifiedHelpView: false,
- category: ts.Diagnostics.Command_line_Options,
- description: ts.Diagnostics.Whether_to_keep_outdated_console_output_in_watch_mode_instead_of_clearing_the_screen,
- },
- {
- name: "listFiles",
- type: "boolean",
- category: ts.Diagnostics.Advanced_Options,
- description: ts.Diagnostics.Print_names_of_files_part_of_the_compilation
- },
- {
- name: "listEmittedFiles",
- type: "boolean",
- category: ts.Diagnostics.Advanced_Options,
- description: ts.Diagnostics.Print_names_of_generated_files_part_of_the_compilation
- },
- {
- name: "pretty",
- type: "boolean",
- showInSimplifiedHelpView: true,
- category: ts.Diagnostics.Command_line_Options,
- description: ts.Diagnostics.Stylize_errors_and_messages_using_color_and_context_experimental
- },
- {
- name: "traceResolution",
- type: "boolean",
- category: ts.Diagnostics.Advanced_Options,
- description: ts.Diagnostics.Enable_tracing_of_the_name_resolution_process
- },
- {
- name: "diagnostics",
- type: "boolean",
- category: ts.Diagnostics.Advanced_Options,
- description: ts.Diagnostics.Show_diagnostic_information
- },
- {
- name: "extendedDiagnostics",
- type: "boolean",
- category: ts.Diagnostics.Advanced_Options,
- description: ts.Diagnostics.Show_verbose_diagnostic_information
- },
- {
- name: "generateCpuProfile",
- type: "string",
- isFilePath: true,
- paramType: ts.Diagnostics.FILE_OR_DIRECTORY,
- category: ts.Diagnostics.Advanced_Options,
- description: ts.Diagnostics.Generates_a_CPU_profile
- },
- {
- name: "incremental",
- shortName: "i",
- type: "boolean",
- category: ts.Diagnostics.Basic_Options,
- description: ts.Diagnostics.Enable_incremental_compilation,
- transpileOptionValue: undefined
- },
- {
- name: "assumeChangesOnlyAffectDirectDependencies",
- type: "boolean",
- affectsSemanticDiagnostics: true,
- affectsEmit: true,
- category: ts.Diagnostics.Advanced_Options,
- description: ts.Diagnostics.Have_recompiles_in_incremental_and_watch_assume_that_changes_within_a_file_will_only_affect_files_directly_depending_on_it
- },
- {
- name: "locale",
- type: "string",
- category: ts.Diagnostics.Advanced_Options,
- description: ts.Diagnostics.The_locale_used_when_displaying_messages_to_the_user_e_g_en_us
- },
- ];
- /* @internal */
- ts.optionDeclarations = __spreadArrays(ts.commonOptionsWithBuild, [
- {
- name: "all",
- type: "boolean",
- showInSimplifiedHelpView: true,
- category: ts.Diagnostics.Command_line_Options,
- description: ts.Diagnostics.Show_all_compiler_options,
- },
- {
- name: "version",
- shortName: "v",
- type: "boolean",
- showInSimplifiedHelpView: true,
- category: ts.Diagnostics.Command_line_Options,
- description: ts.Diagnostics.Print_the_compiler_s_version,
- },
- {
- name: "init",
- type: "boolean",
- showInSimplifiedHelpView: true,
- category: ts.Diagnostics.Command_line_Options,
- description: ts.Diagnostics.Initializes_a_TypeScript_project_and_creates_a_tsconfig_json_file,
- },
- {
- name: "project",
- shortName: "p",
- type: "string",
- isFilePath: true,
- showInSimplifiedHelpView: true,
- category: ts.Diagnostics.Command_line_Options,
- paramType: ts.Diagnostics.FILE_OR_DIRECTORY,
- description: ts.Diagnostics.Compile_the_project_given_the_path_to_its_configuration_file_or_to_a_folder_with_a_tsconfig_json,
- },
- {
- name: "build",
- type: "boolean",
- shortName: "b",
- showInSimplifiedHelpView: true,
- category: ts.Diagnostics.Command_line_Options,
- description: ts.Diagnostics.Build_one_or_more_projects_and_their_dependencies_if_out_of_date
- },
- {
- name: "showConfig",
- type: "boolean",
- category: ts.Diagnostics.Command_line_Options,
- isCommandLineOnly: true,
- description: ts.Diagnostics.Print_the_final_configuration_instead_of_building
- },
- {
- name: "listFilesOnly",
- type: "boolean",
- category: ts.Diagnostics.Command_line_Options,
- affectsSemanticDiagnostics: true,
- affectsEmit: true,
- isCommandLineOnly: true,
- description: ts.Diagnostics.Print_names_of_files_that_are_part_of_the_compilation_and_then_stop_processing
- },
- // Basic
- {
- name: "target",
- shortName: "t",
- type: ts.createMapFromTemplate({
- es3: 0 /* ES3 */,
- es5: 1 /* ES5 */,
- es6: 2 /* ES2015 */,
- es2015: 2 /* ES2015 */,
- es2016: 3 /* ES2016 */,
- es2017: 4 /* ES2017 */,
- es2018: 5 /* ES2018 */,
- es2019: 6 /* ES2019 */,
- es2020: 7 /* ES2020 */,
- esnext: 99 /* ESNext */,
- }),
- affectsSourceFile: true,
- affectsModuleResolution: true,
- affectsEmit: true,
- paramType: ts.Diagnostics.VERSION,
- showInSimplifiedHelpView: true,
- category: ts.Diagnostics.Basic_Options,
- description: ts.Diagnostics.Specify_ECMAScript_target_version_Colon_ES3_default_ES5_ES2015_ES2016_ES2017_ES2018_ES2019_ES2020_or_ESNEXT,
- },
- {
- name: "module",
- shortName: "m",
- type: ts.createMapFromTemplate({
- none: ts.ModuleKind.None,
- commonjs: ts.ModuleKind.CommonJS,
- amd: ts.ModuleKind.AMD,
- system: ts.ModuleKind.System,
- umd: ts.ModuleKind.UMD,
- es6: ts.ModuleKind.ES2015,
- es2015: ts.ModuleKind.ES2015,
- es2020: ts.ModuleKind.ES2020,
- esnext: ts.ModuleKind.ESNext
- }),
- affectsModuleResolution: true,
- affectsEmit: true,
- paramType: ts.Diagnostics.KIND,
- showInSimplifiedHelpView: true,
- category: ts.Diagnostics.Basic_Options,
- description: ts.Diagnostics.Specify_module_code_generation_Colon_none_commonjs_amd_system_umd_es2015_es2020_or_ESNext,
- },
- {
- name: "lib",
- type: "list",
- element: {
- name: "lib",
- type: ts.libMap
- },
- affectsModuleResolution: true,
- showInSimplifiedHelpView: true,
- category: ts.Diagnostics.Basic_Options,
- description: ts.Diagnostics.Specify_library_files_to_be_included_in_the_compilation,
- transpileOptionValue: undefined
- },
- {
- name: "allowJs",
- type: "boolean",
- affectsModuleResolution: true,
- showInSimplifiedHelpView: true,
- category: ts.Diagnostics.Basic_Options,
- description: ts.Diagnostics.Allow_javascript_files_to_be_compiled
- },
- {
- name: "checkJs",
- type: "boolean",
- category: ts.Diagnostics.Basic_Options,
- description: ts.Diagnostics.Report_errors_in_js_files
- },
- {
- name: "jsx",
- type: ts.createMapFromTemplate({
- "preserve": 1 /* Preserve */,
- "react-native": 3 /* ReactNative */,
- "react": 2 /* React */
- }),
- affectsSourceFile: true,
- paramType: ts.Diagnostics.KIND,
- showInSimplifiedHelpView: true,
- category: ts.Diagnostics.Basic_Options,
- description: ts.Diagnostics.Specify_JSX_code_generation_Colon_preserve_react_native_or_react,
- },
- {
- name: "declaration",
- shortName: "d",
- type: "boolean",
- affectsEmit: true,
- showInSimplifiedHelpView: true,
- category: ts.Diagnostics.Basic_Options,
- description: ts.Diagnostics.Generates_corresponding_d_ts_file,
- transpileOptionValue: undefined
- },
- {
- name: "declarationMap",
- type: "boolean",
- affectsEmit: true,
- showInSimplifiedHelpView: true,
- category: ts.Diagnostics.Basic_Options,
- description: ts.Diagnostics.Generates_a_sourcemap_for_each_corresponding_d_ts_file,
- transpileOptionValue: undefined
- },
- {
- name: "emitDeclarationOnly",
- type: "boolean",
- affectsEmit: true,
- category: ts.Diagnostics.Advanced_Options,
- description: ts.Diagnostics.Only_emit_d_ts_declaration_files,
- transpileOptionValue: undefined
- },
- {
- name: "sourceMap",
- type: "boolean",
- affectsEmit: true,
- showInSimplifiedHelpView: true,
- category: ts.Diagnostics.Basic_Options,
- description: ts.Diagnostics.Generates_corresponding_map_file,
- },
- {
- name: "outFile",
- type: "string",
- affectsEmit: true,
- isFilePath: true,
- paramType: ts.Diagnostics.FILE,
- showInSimplifiedHelpView: true,
- category: ts.Diagnostics.Basic_Options,
- description: ts.Diagnostics.Concatenate_and_emit_output_to_single_file,
- transpileOptionValue: undefined
- },
- {
- name: "outDir",
- type: "string",
- affectsEmit: true,
- isFilePath: true,
- paramType: ts.Diagnostics.DIRECTORY,
- showInSimplifiedHelpView: true,
- category: ts.Diagnostics.Basic_Options,
- description: ts.Diagnostics.Redirect_output_structure_to_the_directory,
- },
- {
- name: "rootDir",
- type: "string",
- affectsEmit: true,
- isFilePath: true,
- paramType: ts.Diagnostics.LOCATION,
- category: ts.Diagnostics.Basic_Options,
- description: ts.Diagnostics.Specify_the_root_directory_of_input_files_Use_to_control_the_output_directory_structure_with_outDir,
- },
- {
- name: "composite",
- type: "boolean",
- affectsEmit: true,
- isTSConfigOnly: true,
- category: ts.Diagnostics.Basic_Options,
- description: ts.Diagnostics.Enable_project_compilation,
- transpileOptionValue: undefined
- },
- {
- name: "tsBuildInfoFile",
- type: "string",
- affectsEmit: true,
- isFilePath: true,
- paramType: ts.Diagnostics.FILE,
- category: ts.Diagnostics.Basic_Options,
- description: ts.Diagnostics.Specify_file_to_store_incremental_compilation_information,
- transpileOptionValue: undefined
- },
- {
- name: "removeComments",
- type: "boolean",
- affectsEmit: true,
- showInSimplifiedHelpView: true,
- category: ts.Diagnostics.Basic_Options,
- description: ts.Diagnostics.Do_not_emit_comments_to_output,
- },
- {
- name: "noEmit",
- type: "boolean",
- affectsEmit: true,
- showInSimplifiedHelpView: true,
- category: ts.Diagnostics.Basic_Options,
- description: ts.Diagnostics.Do_not_emit_outputs,
- transpileOptionValue: undefined
- },
- {
- name: "importHelpers",
- type: "boolean",
- affectsEmit: true,
- category: ts.Diagnostics.Basic_Options,
- description: ts.Diagnostics.Import_emit_helpers_from_tslib
- },
- {
- name: "importsNotUsedAsValues",
- type: ts.createMapFromTemplate({
- remove: 0 /* Remove */,
- preserve: 1 /* Preserve */,
- error: 2 /* Error */
- }),
- affectsEmit: true,
- affectsSemanticDiagnostics: true,
- category: ts.Diagnostics.Advanced_Options,
- description: ts.Diagnostics.Specify_emit_Slashchecking_behavior_for_imports_that_are_only_used_for_types
- },
- {
- name: "downlevelIteration",
- type: "boolean",
- affectsEmit: true,
- category: ts.Diagnostics.Basic_Options,
- description: ts.Diagnostics.Provide_full_support_for_iterables_in_for_of_spread_and_destructuring_when_targeting_ES5_or_ES3
- },
- {
- name: "isolatedModules",
- type: "boolean",
- category: ts.Diagnostics.Basic_Options,
- description: ts.Diagnostics.Transpile_each_file_as_a_separate_module_similar_to_ts_transpileModule,
- transpileOptionValue: true
- },
- // Strict Type Checks
- {
- name: "strict",
- type: "boolean",
- showInSimplifiedHelpView: true,
- category: ts.Diagnostics.Strict_Type_Checking_Options,
- description: ts.Diagnostics.Enable_all_strict_type_checking_options
- },
- {
- name: "noImplicitAny",
- type: "boolean",
- affectsSemanticDiagnostics: true,
- strictFlag: true,
- showInSimplifiedHelpView: true,
- category: ts.Diagnostics.Strict_Type_Checking_Options,
- description: ts.Diagnostics.Raise_error_on_expressions_and_declarations_with_an_implied_any_type
- },
- {
- name: "strictNullChecks",
- type: "boolean",
- affectsSemanticDiagnostics: true,
- strictFlag: true,
- showInSimplifiedHelpView: true,
- category: ts.Diagnostics.Strict_Type_Checking_Options,
- description: ts.Diagnostics.Enable_strict_null_checks
- },
- {
- name: "strictFunctionTypes",
- type: "boolean",
- affectsSemanticDiagnostics: true,
- strictFlag: true,
- showInSimplifiedHelpView: true,
- category: ts.Diagnostics.Strict_Type_Checking_Options,
- description: ts.Diagnostics.Enable_strict_checking_of_function_types
- },
- {
- name: "strictBindCallApply",
- type: "boolean",
- strictFlag: true,
- showInSimplifiedHelpView: true,
- category: ts.Diagnostics.Strict_Type_Checking_Options,
- description: ts.Diagnostics.Enable_strict_bind_call_and_apply_methods_on_functions
- },
- {
- name: "strictPropertyInitialization",
- type: "boolean",
- affectsSemanticDiagnostics: true,
- strictFlag: true,
- showInSimplifiedHelpView: true,
- category: ts.Diagnostics.Strict_Type_Checking_Options,
- description: ts.Diagnostics.Enable_strict_checking_of_property_initialization_in_classes
- },
- {
- name: "noImplicitThis",
- type: "boolean",
- affectsSemanticDiagnostics: true,
- strictFlag: true,
- showInSimplifiedHelpView: true,
- category: ts.Diagnostics.Strict_Type_Checking_Options,
- description: ts.Diagnostics.Raise_error_on_this_expressions_with_an_implied_any_type,
- },
- {
- name: "alwaysStrict",
- type: "boolean",
- affectsSourceFile: true,
- strictFlag: true,
- showInSimplifiedHelpView: true,
- category: ts.Diagnostics.Strict_Type_Checking_Options,
- description: ts.Diagnostics.Parse_in_strict_mode_and_emit_use_strict_for_each_source_file
- },
- // Additional Checks
- {
- name: "noUnusedLocals",
- type: "boolean",
- affectsSemanticDiagnostics: true,
- showInSimplifiedHelpView: true,
- category: ts.Diagnostics.Additional_Checks,
- description: ts.Diagnostics.Report_errors_on_unused_locals,
- },
- {
- name: "noUnusedParameters",
- type: "boolean",
- affectsSemanticDiagnostics: true,
- showInSimplifiedHelpView: true,
- category: ts.Diagnostics.Additional_Checks,
- description: ts.Diagnostics.Report_errors_on_unused_parameters,
- },
- {
- name: "noImplicitReturns",
- type: "boolean",
- affectsSemanticDiagnostics: true,
- showInSimplifiedHelpView: true,
- category: ts.Diagnostics.Additional_Checks,
- description: ts.Diagnostics.Report_error_when_not_all_code_paths_in_function_return_a_value
- },
- {
- name: "noFallthroughCasesInSwitch",
- type: "boolean",
- affectsBindDiagnostics: true,
- affectsSemanticDiagnostics: true,
- showInSimplifiedHelpView: true,
- category: ts.Diagnostics.Additional_Checks,
- description: ts.Diagnostics.Report_errors_for_fallthrough_cases_in_switch_statement
- },
- // Module Resolution
- {
- name: "moduleResolution",
- type: ts.createMapFromTemplate({
- node: ts.ModuleResolutionKind.NodeJs,
- classic: ts.ModuleResolutionKind.Classic,
- }),
- affectsModuleResolution: true,
- paramType: ts.Diagnostics.STRATEGY,
- category: ts.Diagnostics.Module_Resolution_Options,
- description: ts.Diagnostics.Specify_module_resolution_strategy_Colon_node_Node_js_or_classic_TypeScript_pre_1_6,
- },
- {
- name: "baseUrl",
- type: "string",
- affectsModuleResolution: true,
- isFilePath: true,
- category: ts.Diagnostics.Module_Resolution_Options,
- description: ts.Diagnostics.Base_directory_to_resolve_non_absolute_module_names
- },
- {
- // this option can only be specified in tsconfig.json
- // use type = object to copy the value as-is
- name: "paths",
- type: "object",
- affectsModuleResolution: true,
- isTSConfigOnly: true,
- category: ts.Diagnostics.Module_Resolution_Options,
- description: ts.Diagnostics.A_series_of_entries_which_re_map_imports_to_lookup_locations_relative_to_the_baseUrl,
- transpileOptionValue: undefined
- },
- {
- // this option can only be specified in tsconfig.json
- // use type = object to copy the value as-is
- name: "rootDirs",
- type: "list",
- isTSConfigOnly: true,
- element: {
- name: "rootDirs",
- type: "string",
- isFilePath: true
- },
- affectsModuleResolution: true,
- category: ts.Diagnostics.Module_Resolution_Options,
- description: ts.Diagnostics.List_of_root_folders_whose_combined_content_represents_the_structure_of_the_project_at_runtime,
- transpileOptionValue: undefined
- },
- {
- name: "typeRoots",
- type: "list",
- element: {
- name: "typeRoots",
- type: "string",
- isFilePath: true
- },
- affectsModuleResolution: true,
- category: ts.Diagnostics.Module_Resolution_Options,
- description: ts.Diagnostics.List_of_folders_to_include_type_definitions_from
- },
- {
- name: "types",
- type: "list",
- element: {
- name: "types",
- type: "string"
- },
- affectsModuleResolution: true,
- showInSimplifiedHelpView: true,
- category: ts.Diagnostics.Module_Resolution_Options,
- description: ts.Diagnostics.Type_declaration_files_to_be_included_in_compilation,
- transpileOptionValue: undefined
- },
- {
- name: "allowSyntheticDefaultImports",
- type: "boolean",
- affectsSemanticDiagnostics: true,
- category: ts.Diagnostics.Module_Resolution_Options,
- description: ts.Diagnostics.Allow_default_imports_from_modules_with_no_default_export_This_does_not_affect_code_emit_just_typechecking
- },
- {
- name: "esModuleInterop",
- type: "boolean",
- affectsSemanticDiagnostics: true,
- affectsEmit: true,
- showInSimplifiedHelpView: true,
- category: ts.Diagnostics.Module_Resolution_Options,
- description: ts.Diagnostics.Enables_emit_interoperability_between_CommonJS_and_ES_Modules_via_creation_of_namespace_objects_for_all_imports_Implies_allowSyntheticDefaultImports
- },
- {
- name: "preserveSymlinks",
- type: "boolean",
- category: ts.Diagnostics.Module_Resolution_Options,
- description: ts.Diagnostics.Do_not_resolve_the_real_path_of_symlinks,
- },
- {
- name: "allowUmdGlobalAccess",
- type: "boolean",
- affectsSemanticDiagnostics: true,
- category: ts.Diagnostics.Module_Resolution_Options,
- description: ts.Diagnostics.Allow_accessing_UMD_globals_from_modules,
- },
- // Source Maps
- {
- name: "sourceRoot",
- type: "string",
- affectsEmit: true,
- paramType: ts.Diagnostics.LOCATION,
- category: ts.Diagnostics.Source_Map_Options,
- description: ts.Diagnostics.Specify_the_location_where_debugger_should_locate_TypeScript_files_instead_of_source_locations,
- },
- {
- name: "mapRoot",
- type: "string",
- affectsEmit: true,
- paramType: ts.Diagnostics.LOCATION,
- category: ts.Diagnostics.Source_Map_Options,
- description: ts.Diagnostics.Specify_the_location_where_debugger_should_locate_map_files_instead_of_generated_locations,
- },
- {
- name: "inlineSourceMap",
- type: "boolean",
- affectsEmit: true,
- category: ts.Diagnostics.Source_Map_Options,
- description: ts.Diagnostics.Emit_a_single_file_with_source_maps_instead_of_having_a_separate_file
- },
- {
- name: "inlineSources",
- type: "boolean",
- affectsEmit: true,
- category: ts.Diagnostics.Source_Map_Options,
- description: ts.Diagnostics.Emit_the_source_alongside_the_sourcemaps_within_a_single_file_requires_inlineSourceMap_or_sourceMap_to_be_set
- },
- // Experimental
- {
- name: "experimentalDecorators",
- type: "boolean",
- affectsSemanticDiagnostics: true,
- category: ts.Diagnostics.Experimental_Options,
- description: ts.Diagnostics.Enables_experimental_support_for_ES7_decorators
- },
- {
- name: "emitDecoratorMetadata",
- type: "boolean",
- affectsSemanticDiagnostics: true,
- affectsEmit: true,
- category: ts.Diagnostics.Experimental_Options,
- description: ts.Diagnostics.Enables_experimental_support_for_emitting_type_metadata_for_decorators
- },
- // Advanced
- {
- name: "jsxFactory",
- type: "string",
- category: ts.Diagnostics.Advanced_Options,
- description: ts.Diagnostics.Specify_the_JSX_factory_function_to_use_when_targeting_react_JSX_emit_e_g_React_createElement_or_h
- },
- {
- name: "resolveJsonModule",
- type: "boolean",
- affectsModuleResolution: true,
- category: ts.Diagnostics.Advanced_Options,
- description: ts.Diagnostics.Include_modules_imported_with_json_extension
- },
- {
- name: "out",
- type: "string",
- affectsEmit: true,
- isFilePath: false,
- // for correct behaviour, please use outFile
- category: ts.Diagnostics.Advanced_Options,
- paramType: ts.Diagnostics.FILE,
- description: ts.Diagnostics.Deprecated_Use_outFile_instead_Concatenate_and_emit_output_to_single_file,
- transpileOptionValue: undefined
- },
- {
- name: "reactNamespace",
- type: "string",
- affectsEmit: true,
- category: ts.Diagnostics.Advanced_Options,
- description: ts.Diagnostics.Deprecated_Use_jsxFactory_instead_Specify_the_object_invoked_for_createElement_when_targeting_react_JSX_emit
- },
- {
- name: "skipDefaultLibCheck",
- type: "boolean",
- category: ts.Diagnostics.Advanced_Options,
- description: ts.Diagnostics.Deprecated_Use_skipLibCheck_instead_Skip_type_checking_of_default_library_declaration_files
- },
- {
- name: "charset",
- type: "string",
- category: ts.Diagnostics.Advanced_Options,
- description: ts.Diagnostics.The_character_set_of_the_input_files
- },
- {
- name: "emitBOM",
- type: "boolean",
- affectsEmit: true,
- category: ts.Diagnostics.Advanced_Options,
- description: ts.Diagnostics.Emit_a_UTF_8_Byte_Order_Mark_BOM_in_the_beginning_of_output_files
- },
- {
- name: "newLine",
- type: ts.createMapFromTemplate({
- crlf: 0 /* CarriageReturnLineFeed */,
- lf: 1 /* LineFeed */
- }),
- affectsEmit: true,
- paramType: ts.Diagnostics.NEWLINE,
- category: ts.Diagnostics.Advanced_Options,
- description: ts.Diagnostics.Specify_the_end_of_line_sequence_to_be_used_when_emitting_files_Colon_CRLF_dos_or_LF_unix,
- },
- {
- name: "noErrorTruncation",
- type: "boolean",
- affectsSemanticDiagnostics: true,
- category: ts.Diagnostics.Advanced_Options,
- description: ts.Diagnostics.Do_not_truncate_error_messages
- },
- {
- name: "noLib",
- type: "boolean",
- affectsModuleResolution: true,
- category: ts.Diagnostics.Advanced_Options,
- description: ts.Diagnostics.Do_not_include_the_default_library_file_lib_d_ts,
- // We are not returning a sourceFile for lib file when asked by the program,
- // so pass --noLib to avoid reporting a file not found error.
- transpileOptionValue: true
- },
- {
- name: "noResolve",
- type: "boolean",
- affectsModuleResolution: true,
- category: ts.Diagnostics.Advanced_Options,
- description: ts.Diagnostics.Do_not_add_triple_slash_references_or_imported_modules_to_the_list_of_compiled_files,
- // We are not doing a full typecheck, we are not resolving the whole context,
- // so pass --noResolve to avoid reporting missing file errors.
- transpileOptionValue: true
- },
- {
- name: "stripInternal",
- type: "boolean",
- affectsEmit: true,
- category: ts.Diagnostics.Advanced_Options,
- description: ts.Diagnostics.Do_not_emit_declarations_for_code_that_has_an_internal_annotation,
- },
- {
- name: "disableSizeLimit",
- type: "boolean",
- affectsSourceFile: true,
- category: ts.Diagnostics.Advanced_Options,
- description: ts.Diagnostics.Disable_size_limitations_on_JavaScript_projects
- },
- {
- name: "disableSourceOfProjectReferenceRedirect",
- type: "boolean",
- isTSConfigOnly: true,
- category: ts.Diagnostics.Advanced_Options,
- description: ts.Diagnostics.Disable_use_of_source_files_instead_of_declaration_files_from_referenced_projects
- },
- {
- name: "disableSolutionSearching",
- type: "boolean",
- isTSConfigOnly: true,
- category: ts.Diagnostics.Advanced_Options,
- description: ts.Diagnostics.Disable_solution_searching_for_this_project
- },
- {
- name: "noImplicitUseStrict",
- type: "boolean",
- affectsSemanticDiagnostics: true,
- category: ts.Diagnostics.Advanced_Options,
- description: ts.Diagnostics.Do_not_emit_use_strict_directives_in_module_output
- },
- {
- name: "noEmitHelpers",
- type: "boolean",
- affectsEmit: true,
- category: ts.Diagnostics.Advanced_Options,
- description: ts.Diagnostics.Do_not_generate_custom_helper_functions_like_extends_in_compiled_output
- },
- {
- name: "noEmitOnError",
- type: "boolean",
- affectsEmit: true,
- category: ts.Diagnostics.Advanced_Options,
- description: ts.Diagnostics.Do_not_emit_outputs_if_any_errors_were_reported,
- transpileOptionValue: undefined
- },
- {
- name: "preserveConstEnums",
- type: "boolean",
- affectsEmit: true,
- category: ts.Diagnostics.Advanced_Options,
- description: ts.Diagnostics.Do_not_erase_const_enum_declarations_in_generated_code
- },
- {
- name: "declarationDir",
- type: "string",
- affectsEmit: true,
- isFilePath: true,
- paramType: ts.Diagnostics.DIRECTORY,
- category: ts.Diagnostics.Advanced_Options,
- description: ts.Diagnostics.Output_directory_for_generated_declaration_files,
- transpileOptionValue: undefined
- },
- {
- name: "skipLibCheck",
- type: "boolean",
- category: ts.Diagnostics.Advanced_Options,
- description: ts.Diagnostics.Skip_type_checking_of_declaration_files,
- },
- {
- name: "allowUnusedLabels",
- type: "boolean",
- affectsBindDiagnostics: true,
- affectsSemanticDiagnostics: true,
- category: ts.Diagnostics.Advanced_Options,
- description: ts.Diagnostics.Do_not_report_errors_on_unused_labels
- },
- {
- name: "allowUnreachableCode",
- type: "boolean",
- affectsBindDiagnostics: true,
- affectsSemanticDiagnostics: true,
- category: ts.Diagnostics.Advanced_Options,
- description: ts.Diagnostics.Do_not_report_errors_on_unreachable_code
- },
- {
- name: "suppressExcessPropertyErrors",
- type: "boolean",
- affectsSemanticDiagnostics: true,
- category: ts.Diagnostics.Advanced_Options,
- description: ts.Diagnostics.Suppress_excess_property_checks_for_object_literals,
- },
- {
- name: "suppressImplicitAnyIndexErrors",
- type: "boolean",
- affectsSemanticDiagnostics: true,
- category: ts.Diagnostics.Advanced_Options,
- description: ts.Diagnostics.Suppress_noImplicitAny_errors_for_indexing_objects_lacking_index_signatures,
- },
- {
- name: "forceConsistentCasingInFileNames",
- type: "boolean",
- affectsModuleResolution: true,
- category: ts.Diagnostics.Advanced_Options,
- description: ts.Diagnostics.Disallow_inconsistently_cased_references_to_the_same_file
- },
- {
- name: "maxNodeModuleJsDepth",
- type: "number",
- affectsModuleResolution: true,
- category: ts.Diagnostics.Advanced_Options,
- description: ts.Diagnostics.The_maximum_dependency_depth_to_search_under_node_modules_and_load_JavaScript_files
- },
- {
- name: "noStrictGenericChecks",
- type: "boolean",
- affectsSemanticDiagnostics: true,
- category: ts.Diagnostics.Advanced_Options,
- description: ts.Diagnostics.Disable_strict_checking_of_generic_signatures_in_function_types,
- },
- {
- name: "useDefineForClassFields",
- type: "boolean",
- affectsSemanticDiagnostics: true,
- affectsEmit: true,
- category: ts.Diagnostics.Advanced_Options,
- description: ts.Diagnostics.Emit_class_fields_with_Define_instead_of_Set,
- },
- {
- name: "keyofStringsOnly",
- type: "boolean",
- category: ts.Diagnostics.Advanced_Options,
- description: ts.Diagnostics.Resolve_keyof_to_string_valued_property_names_only_no_numbers_or_symbols,
- },
- {
- // A list of plugins to load in the language service
- name: "plugins",
- type: "list",
- isTSConfigOnly: true,
- element: {
- name: "plugin",
- type: "object"
- },
- description: ts.Diagnostics.List_of_language_service_plugins
- },
- ]);
- /* @internal */
- ts.semanticDiagnosticsOptionDeclarations = ts.optionDeclarations.filter(function (option) { return !!option.affectsSemanticDiagnostics; });
- /* @internal */
- ts.affectsEmitOptionDeclarations = ts.optionDeclarations.filter(function (option) { return !!option.affectsEmit; });
- /* @internal */
- ts.moduleResolutionOptionDeclarations = ts.optionDeclarations.filter(function (option) { return !!option.affectsModuleResolution; });
- /* @internal */
- ts.sourceFileAffectingCompilerOptions = ts.optionDeclarations.filter(function (option) {
- return !!option.affectsSourceFile || !!option.affectsModuleResolution || !!option.affectsBindDiagnostics;
- });
- /* @internal */
- ts.transpileOptionValueCompilerOptions = ts.optionDeclarations.filter(function (option) {
- return ts.hasProperty(option, "transpileOptionValue");
- });
- /* @internal */
- ts.buildOpts = __spreadArrays(ts.commonOptionsWithBuild, [
- {
- name: "verbose",
- shortName: "v",
- category: ts.Diagnostics.Command_line_Options,
- description: ts.Diagnostics.Enable_verbose_logging,
- type: "boolean"
- },
- {
- name: "dry",
- shortName: "d",
- category: ts.Diagnostics.Command_line_Options,
- description: ts.Diagnostics.Show_what_would_be_built_or_deleted_if_specified_with_clean,
- type: "boolean"
- },
- {
- name: "force",
- shortName: "f",
- category: ts.Diagnostics.Command_line_Options,
- description: ts.Diagnostics.Build_all_projects_including_those_that_appear_to_be_up_to_date,
- type: "boolean"
- },
- {
- name: "clean",
- category: ts.Diagnostics.Command_line_Options,
- description: ts.Diagnostics.Delete_the_outputs_of_all_projects,
- type: "boolean"
- }
- ]);
- /* @internal */
- ts.typeAcquisitionDeclarations = [
- {
- /* @deprecated typingOptions.enableAutoDiscovery
- * Use typeAcquisition.enable instead.
- */
- name: "enableAutoDiscovery",
- type: "boolean",
- },
- {
- name: "enable",
- type: "boolean",
- },
- {
- name: "include",
- type: "list",
- element: {
- name: "include",
- type: "string"
- }
- },
- {
- name: "exclude",
- type: "list",
- element: {
- name: "exclude",
- type: "string"
- }
- }
- ];
- /*@internal*/
- function createOptionNameMap(optionDeclarations) {
- var optionsNameMap = ts.createMap();
- var shortOptionNames = ts.createMap();
- ts.forEach(optionDeclarations, function (option) {
- optionsNameMap.set(option.name.toLowerCase(), option);
- if (option.shortName) {
- shortOptionNames.set(option.shortName, option.name);
- }
- });
- return { optionsNameMap: optionsNameMap, shortOptionNames: shortOptionNames };
- }
- ts.createOptionNameMap = createOptionNameMap;
- var optionsNameMapCache;
- /* @internal */
- function getOptionsNameMap() {
- return optionsNameMapCache || (optionsNameMapCache = createOptionNameMap(ts.optionDeclarations));
- }
- ts.getOptionsNameMap = getOptionsNameMap;
- /* @internal */
- ts.defaultInitCompilerOptions = {
- module: ts.ModuleKind.CommonJS,
- target: 1 /* ES5 */,
- strict: true,
- esModuleInterop: true,
- forceConsistentCasingInFileNames: true,
- skipLibCheck: true
- };
- /* @internal */
- function convertEnableAutoDiscoveryToEnable(typeAcquisition) {
- // Convert deprecated typingOptions.enableAutoDiscovery to typeAcquisition.enable
- if (typeAcquisition && typeAcquisition.enableAutoDiscovery !== undefined && typeAcquisition.enable === undefined) {
- return {
- enable: typeAcquisition.enableAutoDiscovery,
- include: typeAcquisition.include || [],
- exclude: typeAcquisition.exclude || []
- };
- }
- return typeAcquisition;
- }
- ts.convertEnableAutoDiscoveryToEnable = convertEnableAutoDiscoveryToEnable;
- /* @internal */
- function createCompilerDiagnosticForInvalidCustomType(opt) {
- return createDiagnosticForInvalidCustomType(opt, ts.createCompilerDiagnostic);
- }
- ts.createCompilerDiagnosticForInvalidCustomType = createCompilerDiagnosticForInvalidCustomType;
- function createDiagnosticForInvalidCustomType(opt, createDiagnostic) {
- var namesOfType = ts.arrayFrom(opt.type.keys()).map(function (key) { return "'" + key + "'"; }).join(", ");
- return createDiagnostic(ts.Diagnostics.Argument_for_0_option_must_be_Colon_1, "--" + opt.name, namesOfType);
- }
- /* @internal */
- function parseCustomTypeOption(opt, value, errors) {
- return convertJsonOptionOfCustomType(opt, trimString(value || ""), errors);
- }
- ts.parseCustomTypeOption = parseCustomTypeOption;
- /* @internal */
- function parseListTypeOption(opt, value, errors) {
- if (value === void 0) { value = ""; }
- value = trimString(value);
- if (ts.startsWith(value, "-")) {
- return undefined;
- }
- if (value === "") {
- return [];
- }
- var values = value.split(",");
- switch (opt.element.type) {
- case "number":
- return ts.map(values, parseInt);
- case "string":
- return ts.map(values, function (v) { return v || ""; });
- default:
- return ts.mapDefined(values, function (v) { return parseCustomTypeOption(opt.element, v, errors); });
- }
- }
- ts.parseListTypeOption = parseListTypeOption;
- function getOptionName(option) {
- return option.name;
- }
- function createUnknownOptionError(unknownOption, diagnostics, createDiagnostics, unknownOptionErrorText) {
- var possibleOption = ts.getSpellingSuggestion(unknownOption, diagnostics.optionDeclarations, getOptionName);
- return possibleOption ?
- createDiagnostics(diagnostics.unknownDidYouMeanDiagnostic, unknownOptionErrorText || unknownOption, possibleOption.name) :
- createDiagnostics(diagnostics.unknownOptionDiagnostic, unknownOptionErrorText || unknownOption);
- }
- /*@internal*/
- function parseCommandLineWorker(diagnostics, commandLine, readFile) {
- var options = {};
- var watchOptions;
- var fileNames = [];
- var errors = [];
- parseStrings(commandLine);
- return {
- options: options,
- watchOptions: watchOptions,
- fileNames: fileNames,
- errors: errors
- };
- function parseStrings(args) {
- var i = 0;
- while (i < args.length) {
- var s = args[i];
- i++;
- if (s.charCodeAt(0) === 64 /* at */) {
- parseResponseFile(s.slice(1));
- }
- else if (s.charCodeAt(0) === 45 /* minus */) {
- var inputOptionName = s.slice(s.charCodeAt(1) === 45 /* minus */ ? 2 : 1);
- var opt = getOptionDeclarationFromName(diagnostics.getOptionsNameMap, inputOptionName, /*allowShort*/ true);
- if (opt) {
- i = parseOptionValue(args, i, diagnostics, opt, options, errors);
- }
- else {
- var watchOpt = getOptionDeclarationFromName(watchOptionsDidYouMeanDiagnostics.getOptionsNameMap, inputOptionName, /*allowShort*/ true);
- if (watchOpt) {
- i = parseOptionValue(args, i, watchOptionsDidYouMeanDiagnostics, watchOpt, watchOptions || (watchOptions = {}), errors);
- }
- else {
- errors.push(createUnknownOptionError(inputOptionName, diagnostics, ts.createCompilerDiagnostic, s));
- }
- }
- }
- else {
- fileNames.push(s);
- }
- }
- }
- function parseResponseFile(fileName) {
- var text = tryReadFile(fileName, readFile || (function (fileName) { return ts.sys.readFile(fileName); }));
- if (!ts.isString(text)) {
- errors.push(text);
- return;
- }
- var args = [];
- var pos = 0;
- while (true) {
- while (pos < text.length && text.charCodeAt(pos) <= 32 /* space */)
- pos++;
- if (pos >= text.length)
- break;
- var start = pos;
- if (text.charCodeAt(start) === 34 /* doubleQuote */) {
- pos++;
- while (pos < text.length && text.charCodeAt(pos) !== 34 /* doubleQuote */)
- pos++;
- if (pos < text.length) {
- args.push(text.substring(start + 1, pos));
- pos++;
- }
- else {
- errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.Unterminated_quoted_string_in_response_file_0, fileName));
- }
- }
- else {
- while (text.charCodeAt(pos) > 32 /* space */)
- pos++;
- args.push(text.substring(start, pos));
- }
- }
- parseStrings(args);
- }
- }
- ts.parseCommandLineWorker = parseCommandLineWorker;
- function parseOptionValue(args, i, diagnostics, opt, options, errors) {
- if (opt.isTSConfigOnly) {
- var optValue = args[i];
- if (optValue === "null") {
- options[opt.name] = undefined;
- i++;
- }
- else if (opt.type === "boolean") {
- if (optValue === "false") {
- options[opt.name] = false;
- i++;
- }
- else {
- if (optValue === "true")
- i++;
- errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_can_only_be_specified_in_tsconfig_json_file_or_set_to_false_or_null_on_command_line, opt.name));
- }
- }
- else {
- errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_can_only_be_specified_in_tsconfig_json_file_or_set_to_null_on_command_line, opt.name));
- if (optValue && !ts.startsWith(optValue, "-"))
- i++;
- }
- }
- else {
- // Check to see if no argument was provided (e.g. "--locale" is the last command-line argument).
- if (!args[i] && opt.type !== "boolean") {
- errors.push(ts.createCompilerDiagnostic(diagnostics.optionTypeMismatchDiagnostic, opt.name, getCompilerOptionValueTypeString(opt)));
- }
- if (args[i] !== "null") {
- switch (opt.type) {
- case "number":
- options[opt.name] = parseInt(args[i]);
- i++;
- break;
- case "boolean":
- // boolean flag has optional value true, false, others
- var optValue = args[i];
- options[opt.name] = optValue !== "false";
- // consume next argument as boolean flag value
- if (optValue === "false" || optValue === "true") {
- i++;
- }
- break;
- case "string":
- options[opt.name] = args[i] || "";
- i++;
- break;
- case "list":
- var result = parseListTypeOption(opt, args[i], errors);
- options[opt.name] = result || [];
- if (result) {
- i++;
- }
- break;
- // If not a primitive, the possible types are specified in what is effectively a map of options.
- default:
- options[opt.name] = parseCustomTypeOption(opt, args[i], errors);
- i++;
- break;
- }
- }
- else {
- options[opt.name] = undefined;
- i++;
- }
- }
- return i;
- }
- /*@internal*/
- ts.compilerOptionsDidYouMeanDiagnostics = {
- getOptionsNameMap: getOptionsNameMap,
- optionDeclarations: ts.optionDeclarations,
- unknownOptionDiagnostic: ts.Diagnostics.Unknown_compiler_option_0,
- unknownDidYouMeanDiagnostic: ts.Diagnostics.Unknown_compiler_option_0_Did_you_mean_1,
- optionTypeMismatchDiagnostic: ts.Diagnostics.Compiler_option_0_expects_an_argument
- };
- function parseCommandLine(commandLine, readFile) {
- return parseCommandLineWorker(ts.compilerOptionsDidYouMeanDiagnostics, commandLine, readFile);
- }
- ts.parseCommandLine = parseCommandLine;
- /** @internal */
- function getOptionFromName(optionName, allowShort) {
- return getOptionDeclarationFromName(getOptionsNameMap, optionName, allowShort);
- }
- ts.getOptionFromName = getOptionFromName;
- function getOptionDeclarationFromName(getOptionNameMap, optionName, allowShort) {
- if (allowShort === void 0) { allowShort = false; }
- optionName = optionName.toLowerCase();
- var _a = getOptionNameMap(), optionsNameMap = _a.optionsNameMap, shortOptionNames = _a.shortOptionNames;
- // Try to translate short option names to their full equivalents.
- if (allowShort) {
- var short = shortOptionNames.get(optionName);
- if (short !== undefined) {
- optionName = short;
- }
- }
- return optionsNameMap.get(optionName);
- }
- var buildOptionsNameMapCache;
- function getBuildOptionsNameMap() {
- return buildOptionsNameMapCache || (buildOptionsNameMapCache = createOptionNameMap(ts.buildOpts));
- }
- var buildOptionsDidYouMeanDiagnostics = {
- getOptionsNameMap: getBuildOptionsNameMap,
- optionDeclarations: ts.buildOpts,
- unknownOptionDiagnostic: ts.Diagnostics.Unknown_build_option_0,
- unknownDidYouMeanDiagnostic: ts.Diagnostics.Unknown_build_option_0_Did_you_mean_1,
- optionTypeMismatchDiagnostic: ts.Diagnostics.Build_option_0_requires_a_value_of_type_1
- };
- /*@internal*/
- function parseBuildCommand(args) {
- var _a = parseCommandLineWorker(buildOptionsDidYouMeanDiagnostics, args), options = _a.options, watchOptions = _a.watchOptions, projects = _a.fileNames, errors = _a.errors;
- var buildOptions = options;
- if (projects.length === 0) {
- // tsc -b invoked with no extra arguments; act as if invoked with "tsc -b ."
- projects.push(".");
- }
- // Nonsensical combinations
- if (buildOptions.clean && buildOptions.force) {
- errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.Options_0_and_1_cannot_be_combined, "clean", "force"));
- }
- if (buildOptions.clean && buildOptions.verbose) {
- errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.Options_0_and_1_cannot_be_combined, "clean", "verbose"));
- }
- if (buildOptions.clean && buildOptions.watch) {
- errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.Options_0_and_1_cannot_be_combined, "clean", "watch"));
- }
- if (buildOptions.watch && buildOptions.dry) {
- errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.Options_0_and_1_cannot_be_combined, "watch", "dry"));
- }
- return { buildOptions: buildOptions, watchOptions: watchOptions, projects: projects, errors: errors };
- }
- ts.parseBuildCommand = parseBuildCommand;
- /* @internal */
- function getDiagnosticText(_message) {
- var _args = [];
- for (var _i = 1; _i < arguments.length; _i++) {
- _args[_i - 1] = arguments[_i];
- }
- var diagnostic = ts.createCompilerDiagnostic.apply(undefined, arguments);
- return diagnostic.messageText;
- }
- ts.getDiagnosticText = getDiagnosticText;
- /**
- * Reads the config file, reports errors if any and exits if the config file cannot be found
- */
- function getParsedCommandLineOfConfigFile(configFileName, optionsToExtend, host, extendedConfigCache, watchOptionsToExtend, extraFileExtensions) {
- var configFileText = tryReadFile(configFileName, function (fileName) { return host.readFile(fileName); });
- if (!ts.isString(configFileText)) {
- host.onUnRecoverableConfigFileDiagnostic(configFileText);
- return undefined;
- }
- var result = ts.parseJsonText(configFileName, configFileText);
- var cwd = host.getCurrentDirectory();
- result.path = ts.toPath(configFileName, cwd, ts.createGetCanonicalFileName(host.useCaseSensitiveFileNames));
- result.resolvedPath = result.path;
- result.originalFileName = result.fileName;
- return parseJsonSourceFileConfigFileContent(result, host, ts.getNormalizedAbsolutePath(ts.getDirectoryPath(configFileName), cwd), optionsToExtend, ts.getNormalizedAbsolutePath(configFileName, cwd),
- /*resolutionStack*/ undefined, extraFileExtensions, extendedConfigCache, watchOptionsToExtend);
- }
- ts.getParsedCommandLineOfConfigFile = getParsedCommandLineOfConfigFile;
- /**
- * Read tsconfig.json file
- * @param fileName The path to the config file
- */
- function readConfigFile(fileName, readFile) {
- var textOrDiagnostic = tryReadFile(fileName, readFile);
- return ts.isString(textOrDiagnostic) ? parseConfigFileTextToJson(fileName, textOrDiagnostic) : { config: {}, error: textOrDiagnostic };
- }
- ts.readConfigFile = readConfigFile;
- /**
- * Parse the text of the tsconfig.json file
- * @param fileName The path to the config file
- * @param jsonText The text of the config file
- */
- function parseConfigFileTextToJson(fileName, jsonText) {
- var jsonSourceFile = ts.parseJsonText(fileName, jsonText);
- return {
- config: convertToObject(jsonSourceFile, jsonSourceFile.parseDiagnostics),
- error: jsonSourceFile.parseDiagnostics.length ? jsonSourceFile.parseDiagnostics[0] : undefined
- };
- }
- ts.parseConfigFileTextToJson = parseConfigFileTextToJson;
- /**
- * Read tsconfig.json file
- * @param fileName The path to the config file
- */
- function readJsonConfigFile(fileName, readFile) {
- var textOrDiagnostic = tryReadFile(fileName, readFile);
- return ts.isString(textOrDiagnostic) ? ts.parseJsonText(fileName, textOrDiagnostic) : { parseDiagnostics: [textOrDiagnostic] };
- }
- ts.readJsonConfigFile = readJsonConfigFile;
- /*@internal*/
- function tryReadFile(fileName, readFile) {
- var text;
- try {
- text = readFile(fileName);
- }
- catch (e) {
- return ts.createCompilerDiagnostic(ts.Diagnostics.Cannot_read_file_0_Colon_1, fileName, e.message);
- }
- return text === undefined ? ts.createCompilerDiagnostic(ts.Diagnostics.Cannot_read_file_0, fileName) : text;
- }
- ts.tryReadFile = tryReadFile;
- function commandLineOptionsToMap(options) {
- return ts.arrayToMap(options, getOptionName);
- }
- var typeAcquisitionDidYouMeanDiagnostics = {
- optionDeclarations: ts.typeAcquisitionDeclarations,
- unknownOptionDiagnostic: ts.Diagnostics.Unknown_type_acquisition_option_0,
- unknownDidYouMeanDiagnostic: ts.Diagnostics.Unknown_type_acquisition_option_0_Did_you_mean_1,
- };
- var watchOptionsNameMapCache;
- function getWatchOptionsNameMap() {
- return watchOptionsNameMapCache || (watchOptionsNameMapCache = createOptionNameMap(ts.optionsForWatch));
- }
- var watchOptionsDidYouMeanDiagnostics = {
- getOptionsNameMap: getWatchOptionsNameMap,
- optionDeclarations: ts.optionsForWatch,
- unknownOptionDiagnostic: ts.Diagnostics.Unknown_watch_option_0,
- unknownDidYouMeanDiagnostic: ts.Diagnostics.Unknown_watch_option_0_Did_you_mean_1,
- optionTypeMismatchDiagnostic: ts.Diagnostics.Watch_option_0_requires_a_value_of_type_1
- };
- var commandLineCompilerOptionsMapCache;
- function getCommandLineCompilerOptionsMap() {
- return commandLineCompilerOptionsMapCache || (commandLineCompilerOptionsMapCache = commandLineOptionsToMap(ts.optionDeclarations));
- }
- var commandLineWatchOptionsMapCache;
- function getCommandLineWatchOptionsMap() {
- return commandLineWatchOptionsMapCache || (commandLineWatchOptionsMapCache = commandLineOptionsToMap(ts.optionsForWatch));
- }
- var commandLineTypeAcquisitionMapCache;
- function getCommandLineTypeAcquisitionMap() {
- return commandLineTypeAcquisitionMapCache || (commandLineTypeAcquisitionMapCache = commandLineOptionsToMap(ts.typeAcquisitionDeclarations));
- }
- var _tsconfigRootOptions;
- function getTsconfigRootOptionsMap() {
- if (_tsconfigRootOptions === undefined) {
- _tsconfigRootOptions = {
- name: undefined,
- type: "object",
- elementOptions: commandLineOptionsToMap([
- {
- name: "compilerOptions",
- type: "object",
- elementOptions: getCommandLineCompilerOptionsMap(),
- extraKeyDiagnostics: ts.compilerOptionsDidYouMeanDiagnostics,
- },
- {
- name: "watchOptions",
- type: "object",
- elementOptions: getCommandLineWatchOptionsMap(),
- extraKeyDiagnostics: watchOptionsDidYouMeanDiagnostics,
- },
- {
- name: "typingOptions",
- type: "object",
- elementOptions: getCommandLineTypeAcquisitionMap(),
- extraKeyDiagnostics: typeAcquisitionDidYouMeanDiagnostics,
- },
- {
- name: "typeAcquisition",
- type: "object",
- elementOptions: getCommandLineTypeAcquisitionMap(),
- extraKeyDiagnostics: typeAcquisitionDidYouMeanDiagnostics
- },
- {
- name: "extends",
- type: "string"
- },
- {
- name: "references",
- type: "list",
- element: {
- name: "references",
- type: "object"
- }
- },
- {
- name: "files",
- type: "list",
- element: {
- name: "files",
- type: "string"
- }
- },
- {
- name: "include",
- type: "list",
- element: {
- name: "include",
- type: "string"
- }
- },
- {
- name: "exclude",
- type: "list",
- element: {
- name: "exclude",
- type: "string"
- }
- },
- ts.compileOnSaveCommandLineOption
- ])
- };
- }
- return _tsconfigRootOptions;
- }
- /**
- * Convert the json syntax tree into the json value
- */
- function convertToObject(sourceFile, errors) {
- return convertToObjectWorker(sourceFile, errors, /*returnValue*/ true, /*knownRootOptions*/ undefined, /*jsonConversionNotifier*/ undefined);
- }
- ts.convertToObject = convertToObject;
- /**
- * Convert the json syntax tree into the json value and report errors
- * This returns the json value (apart from checking errors) only if returnValue provided is true.
- * Otherwise it just checks the errors and returns undefined
- */
- /*@internal*/
- function convertToObjectWorker(sourceFile, errors, returnValue, knownRootOptions, jsonConversionNotifier) {
- if (!sourceFile.statements.length) {
- return returnValue ? {} : undefined;
- }
- return convertPropertyValueToJson(sourceFile.statements[0].expression, knownRootOptions);
- function isRootOptionMap(knownOptions) {
- return knownRootOptions && knownRootOptions.elementOptions === knownOptions;
- }
- function convertObjectLiteralExpressionToJson(node, knownOptions, extraKeyDiagnostics, parentOption) {
- var result = returnValue ? {} : undefined;
- var _loop_3 = function (element) {
- if (element.kind !== 281 /* PropertyAssignment */) {
- errors.push(ts.createDiagnosticForNodeInSourceFile(sourceFile, element, ts.Diagnostics.Property_assignment_expected));
- return "continue";
- }
- if (element.questionToken) {
- errors.push(ts.createDiagnosticForNodeInSourceFile(sourceFile, element.questionToken, ts.Diagnostics.The_0_modifier_can_only_be_used_in_TypeScript_files, "?"));
- }
- if (!isDoubleQuotedString(element.name)) {
- errors.push(ts.createDiagnosticForNodeInSourceFile(sourceFile, element.name, ts.Diagnostics.String_literal_with_double_quotes_expected));
- }
- var textOfKey = ts.isComputedNonLiteralName(element.name) ? undefined : ts.getTextOfPropertyName(element.name);
- var keyText = textOfKey && ts.unescapeLeadingUnderscores(textOfKey);
- var option = keyText && knownOptions ? knownOptions.get(keyText) : undefined;
- if (keyText && extraKeyDiagnostics && !option) {
- if (knownOptions) {
- errors.push(createUnknownOptionError(keyText, extraKeyDiagnostics, function (message, arg0, arg1) { return ts.createDiagnosticForNodeInSourceFile(sourceFile, element.name, message, arg0, arg1); }));
- }
- else {
- errors.push(ts.createDiagnosticForNodeInSourceFile(sourceFile, element.name, extraKeyDiagnostics.unknownOptionDiagnostic, keyText));
- }
- }
- var value = convertPropertyValueToJson(element.initializer, option);
- if (typeof keyText !== "undefined") {
- if (returnValue) {
- result[keyText] = value;
- }
- // Notify key value set, if user asked for it
- if (jsonConversionNotifier &&
- // Current callbacks are only on known parent option or if we are setting values in the root
- (parentOption || isRootOptionMap(knownOptions))) {
- var isValidOptionValue = isCompilerOptionsValue(option, value);
- if (parentOption) {
- if (isValidOptionValue) {
- // Notify option set in the parent if its a valid option value
- jsonConversionNotifier.onSetValidOptionKeyValueInParent(parentOption, option, value);
- }
- }
- else if (isRootOptionMap(knownOptions)) {
- if (isValidOptionValue) {
- // Notify about the valid root key value being set
- jsonConversionNotifier.onSetValidOptionKeyValueInRoot(keyText, element.name, value, element.initializer);
- }
- else if (!option) {
- // Notify about the unknown root key value being set
- jsonConversionNotifier.onSetUnknownOptionKeyValueInRoot(keyText, element.name, value, element.initializer);
- }
- }
- }
- }
- };
- for (var _i = 0, _a = node.properties; _i < _a.length; _i++) {
- var element = _a[_i];
- _loop_3(element);
- }
- return result;
- }
- function convertArrayLiteralExpressionToJson(elements, elementOption) {
- if (!returnValue) {
- return elements.forEach(function (element) { return convertPropertyValueToJson(element, elementOption); });
- }
- // Filter out invalid values
- return ts.filter(elements.map(function (element) { return convertPropertyValueToJson(element, elementOption); }), function (v) { return v !== undefined; });
- }
- function convertPropertyValueToJson(valueExpression, option) {
- switch (valueExpression.kind) {
- case 106 /* TrueKeyword */:
- reportInvalidOptionValue(option && option.type !== "boolean");
- return true;
- case 91 /* FalseKeyword */:
- reportInvalidOptionValue(option && option.type !== "boolean");
- return false;
- case 100 /* NullKeyword */:
- reportInvalidOptionValue(option && option.name === "extends"); // "extends" is the only option we don't allow null/undefined for
- return null; // eslint-disable-line no-null/no-null
- case 10 /* StringLiteral */:
- if (!isDoubleQuotedString(valueExpression)) {
- errors.push(ts.createDiagnosticForNodeInSourceFile(sourceFile, valueExpression, ts.Diagnostics.String_literal_with_double_quotes_expected));
- }
- reportInvalidOptionValue(option && (ts.isString(option.type) && option.type !== "string"));
- var text = valueExpression.text;
- if (option && !ts.isString(option.type)) {
- var customOption = option;
- // Validate custom option type
- if (!customOption.type.has(text.toLowerCase())) {
- errors.push(createDiagnosticForInvalidCustomType(customOption, function (message, arg0, arg1) { return ts.createDiagnosticForNodeInSourceFile(sourceFile, valueExpression, message, arg0, arg1); }));
- }
- }
- return text;
- case 8 /* NumericLiteral */:
- reportInvalidOptionValue(option && option.type !== "number");
- return Number(valueExpression.text);
- case 207 /* PrefixUnaryExpression */:
- if (valueExpression.operator !== 40 /* MinusToken */ || valueExpression.operand.kind !== 8 /* NumericLiteral */) {
- break; // not valid JSON syntax
- }
- reportInvalidOptionValue(option && option.type !== "number");
- return -Number(valueExpression.operand.text);
- case 193 /* ObjectLiteralExpression */:
- reportInvalidOptionValue(option && option.type !== "object");
- var objectLiteralExpression = valueExpression;
- // Currently having element option declaration in the tsconfig with type "object"
- // determines if it needs onSetValidOptionKeyValueInParent callback or not
- // At moment there are only "compilerOptions", "typeAcquisition" and "typingOptions"
- // that satifies it and need it to modify options set in them (for normalizing file paths)
- // vs what we set in the json
- // If need arises, we can modify this interface and callbacks as needed
- if (option) {
- var _a = option, elementOptions = _a.elementOptions, extraKeyDiagnostics = _a.extraKeyDiagnostics, optionName = _a.name;
- return convertObjectLiteralExpressionToJson(objectLiteralExpression, elementOptions, extraKeyDiagnostics, optionName);
- }
- else {
- return convertObjectLiteralExpressionToJson(objectLiteralExpression, /* knownOptions*/ undefined,
- /*extraKeyDiagnosticMessage */ undefined, /*parentOption*/ undefined);
- }
- case 192 /* ArrayLiteralExpression */:
- reportInvalidOptionValue(option && option.type !== "list");
- return convertArrayLiteralExpressionToJson(valueExpression.elements, option && option.element);
- }
- // Not in expected format
- if (option) {
- reportInvalidOptionValue(/*isError*/ true);
- }
- else {
- errors.push(ts.createDiagnosticForNodeInSourceFile(sourceFile, valueExpression, ts.Diagnostics.Property_value_can_only_be_string_literal_numeric_literal_true_false_null_object_literal_or_array_literal));
- }
- return undefined;
- function reportInvalidOptionValue(isError) {
- if (isError) {
- errors.push(ts.createDiagnosticForNodeInSourceFile(sourceFile, valueExpression, ts.Diagnostics.Compiler_option_0_requires_a_value_of_type_1, option.name, getCompilerOptionValueTypeString(option)));
- }
- }
- }
- function isDoubleQuotedString(node) {
- return ts.isStringLiteral(node) && ts.isStringDoubleQuoted(node, sourceFile);
- }
- }
- ts.convertToObjectWorker = convertToObjectWorker;
- function getCompilerOptionValueTypeString(option) {
- return option.type === "list" ?
- "Array" :
- ts.isString(option.type) ? option.type : "string";
- }
- function isCompilerOptionsValue(option, value) {
- if (option) {
- if (isNullOrUndefined(value))
- return true; // All options are undefinable/nullable
- if (option.type === "list") {
- return ts.isArray(value);
- }
- var expectedType = ts.isString(option.type) ? option.type : "string";
- return typeof value === expectedType;
- }
- return false;
- }
- /**
- * Generate an uncommented, complete tsconfig for use with "--showConfig"
- * @param configParseResult options to be generated into tsconfig.json
- * @param configFileName name of the parsed config file - output paths will be generated relative to this
- * @param host provides current directory and case sensitivity services
- */
- /** @internal */
- function convertToTSConfig(configParseResult, configFileName, host) {
- var getCanonicalFileName = ts.createGetCanonicalFileName(host.useCaseSensitiveFileNames);
- var files = ts.map(ts.filter(configParseResult.fileNames, (!configParseResult.configFileSpecs || !configParseResult.configFileSpecs.validatedIncludeSpecs) ? function (_) { return true; } : matchesSpecs(configFileName, configParseResult.configFileSpecs.validatedIncludeSpecs, configParseResult.configFileSpecs.validatedExcludeSpecs, host)), function (f) { return ts.getRelativePathFromFile(ts.getNormalizedAbsolutePath(configFileName, host.getCurrentDirectory()), ts.getNormalizedAbsolutePath(f, host.getCurrentDirectory()), getCanonicalFileName); });
- var optionMap = serializeCompilerOptions(configParseResult.options, { configFilePath: ts.getNormalizedAbsolutePath(configFileName, host.getCurrentDirectory()), useCaseSensitiveFileNames: host.useCaseSensitiveFileNames });
- var watchOptionMap = configParseResult.watchOptions && serializeWatchOptions(configParseResult.watchOptions);
- var config = __assign(__assign({ compilerOptions: __assign(__assign({}, optionMapToObject(optionMap)), { showConfig: undefined, configFile: undefined, configFilePath: undefined, help: undefined, init: undefined, listFiles: undefined, listEmittedFiles: undefined, project: undefined, build: undefined, version: undefined }), watchOptions: watchOptionMap && optionMapToObject(watchOptionMap), references: ts.map(configParseResult.projectReferences, function (r) { return (__assign(__assign({}, r), { path: r.originalPath ? r.originalPath : "", originalPath: undefined })); }), files: ts.length(files) ? files : undefined }, (configParseResult.configFileSpecs ? {
- include: filterSameAsDefaultInclude(configParseResult.configFileSpecs.validatedIncludeSpecs),
- exclude: configParseResult.configFileSpecs.validatedExcludeSpecs
- } : {})), { compileOnSave: !!configParseResult.compileOnSave ? true : undefined });
- return config;
- }
- ts.convertToTSConfig = convertToTSConfig;
- function optionMapToObject(optionMap) {
- return __assign({}, ts.arrayFrom(optionMap.entries()).reduce(function (prev, cur) {
- var _a;
- return (__assign(__assign({}, prev), (_a = {}, _a[cur[0]] = cur[1], _a)));
- }, {}));
- }
- function filterSameAsDefaultInclude(specs) {
- if (!ts.length(specs))
- return undefined;
- if (ts.length(specs) !== 1)
- return specs;
- if (specs[0] === "**/*")
- return undefined;
- return specs;
- }
- function matchesSpecs(path, includeSpecs, excludeSpecs, host) {
- if (!includeSpecs)
- return function (_) { return true; };
- var patterns = ts.getFileMatcherPatterns(path, excludeSpecs, includeSpecs, host.useCaseSensitiveFileNames, host.getCurrentDirectory());
- var excludeRe = patterns.excludePattern && ts.getRegexFromPattern(patterns.excludePattern, host.useCaseSensitiveFileNames);
- var includeRe = patterns.includeFilePattern && ts.getRegexFromPattern(patterns.includeFilePattern, host.useCaseSensitiveFileNames);
- if (includeRe) {
- if (excludeRe) {
- return function (path) { return !(includeRe.test(path) && !excludeRe.test(path)); };
- }
- return function (path) { return !includeRe.test(path); };
- }
- if (excludeRe) {
- return function (path) { return excludeRe.test(path); };
- }
- return function (_) { return true; };
- }
- function getCustomTypeMapOfCommandLineOption(optionDefinition) {
- if (optionDefinition.type === "string" || optionDefinition.type === "number" || optionDefinition.type === "boolean" || optionDefinition.type === "object") {
- // this is of a type CommandLineOptionOfPrimitiveType
- return undefined;
- }
- else if (optionDefinition.type === "list") {
- return getCustomTypeMapOfCommandLineOption(optionDefinition.element);
- }
- else {
- return optionDefinition.type;
- }
- }
- function getNameOfCompilerOptionValue(value, customTypeMap) {
- // There is a typeMap associated with this command-line option so use it to map value back to its name
- return ts.forEachEntry(customTypeMap, function (mapValue, key) {
- if (mapValue === value) {
- return key;
- }
- });
- }
- function serializeCompilerOptions(options, pathOptions) {
- return serializeOptionBaseObject(options, getOptionsNameMap(), pathOptions);
- }
- function serializeWatchOptions(options) {
- return serializeOptionBaseObject(options, getWatchOptionsNameMap());
- }
- function serializeOptionBaseObject(options, _a, pathOptions) {
- var optionsNameMap = _a.optionsNameMap;
- var result = ts.createMap();
- var getCanonicalFileName = pathOptions && ts.createGetCanonicalFileName(pathOptions.useCaseSensitiveFileNames);
- var _loop_4 = function (name) {
- if (ts.hasProperty(options, name)) {
- // tsconfig only options cannot be specified via command line,
- // so we can assume that only types that can appear here string | number | boolean
- if (optionsNameMap.has(name) && optionsNameMap.get(name).category === ts.Diagnostics.Command_line_Options) {
- return "continue";
- }
- var value = options[name];
- var optionDefinition = optionsNameMap.get(name.toLowerCase());
- if (optionDefinition) {
- var customTypeMap_1 = getCustomTypeMapOfCommandLineOption(optionDefinition);
- if (!customTypeMap_1) {
- // There is no map associated with this compiler option then use the value as-is
- // This is the case if the value is expect to be string, number, boolean or list of string
- if (pathOptions && optionDefinition.isFilePath) {
- result.set(name, ts.getRelativePathFromFile(pathOptions.configFilePath, ts.getNormalizedAbsolutePath(value, ts.getDirectoryPath(pathOptions.configFilePath)), getCanonicalFileName));
- }
- else {
- result.set(name, value);
- }
- }
- else {
- if (optionDefinition.type === "list") {
- result.set(name, value.map(function (element) { return getNameOfCompilerOptionValue(element, customTypeMap_1); })); // TODO: GH#18217
- }
- else {
- // There is a typeMap associated with this command-line option so use it to map value back to its name
- result.set(name, getNameOfCompilerOptionValue(value, customTypeMap_1));
- }
- }
- }
- }
- };
- for (var name in options) {
- _loop_4(name);
- }
- return result;
- }
- /**
- * Generate tsconfig configuration when running command line "--init"
- * @param options commandlineOptions to be generated into tsconfig.json
- * @param fileNames array of filenames to be generated into tsconfig.json
- */
- /* @internal */
- function generateTSConfig(options, fileNames, newLine) {
- var compilerOptions = ts.extend(options, ts.defaultInitCompilerOptions);
- var compilerOptionsMap = serializeCompilerOptions(compilerOptions);
- return writeConfigurations();
- function getDefaultValueForOption(option) {
- switch (option.type) {
- case "number":
- return 1;
- case "boolean":
- return true;
- case "string":
- return option.isFilePath ? "./" : "";
- case "list":
- return [];
- case "object":
- return {};
- default:
- var iterResult = option.type.keys().next();
- if (!iterResult.done)
- return iterResult.value;
- return ts.Debug.fail("Expected 'option.type' to have entries.");
- }
- }
- function makePadding(paddingLength) {
- return Array(paddingLength + 1).join(" ");
- }
- function isAllowedOption(_a) {
- var category = _a.category, name = _a.name;
- // Skip options which do not have a category or have category `Command_line_Options`
- // Exclude all possible `Advanced_Options` in tsconfig.json which were NOT defined in command line
- return category !== undefined
- && category !== ts.Diagnostics.Command_line_Options
- && (category !== ts.Diagnostics.Advanced_Options || compilerOptionsMap.has(name));
- }
- function writeConfigurations() {
- // Filter applicable options to place in the file
- var categorizedOptions = ts.createMultiMap();
- for (var _i = 0, optionDeclarations_1 = ts.optionDeclarations; _i < optionDeclarations_1.length; _i++) {
- var option = optionDeclarations_1[_i];
- var category = option.category;
- if (isAllowedOption(option)) {
- categorizedOptions.add(ts.getLocaleSpecificMessage(category), option);
- }
- }
- // Serialize all options and their descriptions
- var marginLength = 0;
- var seenKnownKeys = 0;
- var entries = [];
- categorizedOptions.forEach(function (options, category) {
- if (entries.length !== 0) {
- entries.push({ value: "" });
- }
- entries.push({ value: "/* " + category + " */" });
- for (var _i = 0, options_1 = options; _i < options_1.length; _i++) {
- var option = options_1[_i];
- var optionName = void 0;
- if (compilerOptionsMap.has(option.name)) {
- optionName = "\"" + option.name + "\": " + JSON.stringify(compilerOptionsMap.get(option.name)) + ((seenKnownKeys += 1) === compilerOptionsMap.size ? "" : ",");
- }
- else {
- optionName = "// \"" + option.name + "\": " + JSON.stringify(getDefaultValueForOption(option)) + ",";
- }
- entries.push({
- value: optionName,
- description: "/* " + (option.description && ts.getLocaleSpecificMessage(option.description) || option.name) + " */"
- });
- marginLength = Math.max(optionName.length, marginLength);
- }
- });
- // Write the output
- var tab = makePadding(2);
- var result = [];
- result.push("{");
- result.push(tab + "\"compilerOptions\": {");
- result.push("" + tab + tab + "/* " + ts.getLocaleSpecificMessage(ts.Diagnostics.Visit_https_Colon_Slash_Slashaka_ms_Slashtsconfig_json_to_read_more_about_this_file) + " */");
- result.push("");
- // Print out each row, aligning all the descriptions on the same column.
- for (var _a = 0, entries_3 = entries; _a < entries_3.length; _a++) {
- var entry = entries_3[_a];
- var value = entry.value, _b = entry.description, description = _b === void 0 ? "" : _b;
- result.push(value && "" + tab + tab + value + (description && (makePadding(marginLength - value.length + 2) + description)));
- }
- if (fileNames.length) {
- result.push(tab + "},");
- result.push(tab + "\"files\": [");
- for (var i = 0; i < fileNames.length; i++) {
- result.push("" + tab + tab + JSON.stringify(fileNames[i]) + (i === fileNames.length - 1 ? "" : ","));
- }
- result.push(tab + "]");
- }
- else {
- result.push(tab + "}");
- }
- result.push("}");
- return result.join(newLine) + newLine;
- }
- }
- ts.generateTSConfig = generateTSConfig;
- /* @internal */
- function convertToOptionsWithAbsolutePaths(options, toAbsolutePath) {
- var result = {};
- var optionsNameMap = getOptionsNameMap().optionsNameMap;
- for (var name in options) {
- if (ts.hasProperty(options, name)) {
- result[name] = convertToOptionValueWithAbsolutePaths(optionsNameMap.get(name.toLowerCase()), options[name], toAbsolutePath);
- }
- }
- if (result.configFilePath) {
- result.configFilePath = toAbsolutePath(result.configFilePath);
- }
- return result;
- }
- ts.convertToOptionsWithAbsolutePaths = convertToOptionsWithAbsolutePaths;
- function convertToOptionValueWithAbsolutePaths(option, value, toAbsolutePath) {
- if (option && !isNullOrUndefined(value)) {
- if (option.type === "list") {
- var values = value;
- if (option.element.isFilePath && values.length) {
- return values.map(toAbsolutePath);
- }
- }
- else if (option.isFilePath) {
- return toAbsolutePath(value);
- }
- }
- return value;
- }
- /**
- * Parse the contents of a config file (tsconfig.json).
- * @param json The contents of the config file to parse
- * @param host Instance of ParseConfigHost used to enumerate files in folder.
- * @param basePath A root directory to resolve relative path entries in the config
- * file to. e.g. outDir
- */
- function parseJsonConfigFileContent(json, host, basePath, existingOptions, configFileName, resolutionStack, extraFileExtensions, extendedConfigCache, existingWatchOptions) {
- return parseJsonConfigFileContentWorker(json, /*sourceFile*/ undefined, host, basePath, existingOptions, existingWatchOptions, configFileName, resolutionStack, extraFileExtensions, extendedConfigCache);
- }
- ts.parseJsonConfigFileContent = parseJsonConfigFileContent;
- /**
- * Parse the contents of a config file (tsconfig.json).
- * @param jsonNode The contents of the config file to parse
- * @param host Instance of ParseConfigHost used to enumerate files in folder.
- * @param basePath A root directory to resolve relative path entries in the config
- * file to. e.g. outDir
- */
- function parseJsonSourceFileConfigFileContent(sourceFile, host, basePath, existingOptions, configFileName, resolutionStack, extraFileExtensions, extendedConfigCache, existingWatchOptions) {
- return parseJsonConfigFileContentWorker(/*json*/ undefined, sourceFile, host, basePath, existingOptions, existingWatchOptions, configFileName, resolutionStack, extraFileExtensions, extendedConfigCache);
- }
- ts.parseJsonSourceFileConfigFileContent = parseJsonSourceFileConfigFileContent;
- /*@internal*/
- function setConfigFileInOptions(options, configFile) {
- if (configFile) {
- Object.defineProperty(options, "configFile", { enumerable: false, writable: false, value: configFile });
- }
- }
- ts.setConfigFileInOptions = setConfigFileInOptions;
- function isNullOrUndefined(x) {
- return x === undefined || x === null; // eslint-disable-line no-null/no-null
- }
- function directoryOfCombinedPath(fileName, basePath) {
- // Use the `getNormalizedAbsolutePath` function to avoid canonicalizing the path, as it must remain noncanonical
- // until consistent casing errors are reported
- return ts.getDirectoryPath(ts.getNormalizedAbsolutePath(fileName, basePath));
- }
- /**
- * Parse the contents of a config file from json or json source file (tsconfig.json).
- * @param json The contents of the config file to parse
- * @param sourceFile sourceFile corresponding to the Json
- * @param host Instance of ParseConfigHost used to enumerate files in folder.
- * @param basePath A root directory to resolve relative path entries in the config
- * file to. e.g. outDir
- * @param resolutionStack Only present for backwards-compatibility. Should be empty.
- */
- function parseJsonConfigFileContentWorker(json, sourceFile, host, basePath, existingOptions, existingWatchOptions, configFileName, resolutionStack, extraFileExtensions, extendedConfigCache) {
- if (existingOptions === void 0) { existingOptions = {}; }
- if (resolutionStack === void 0) { resolutionStack = []; }
- if (extraFileExtensions === void 0) { extraFileExtensions = []; }
- ts.Debug.assert((json === undefined && sourceFile !== undefined) || (json !== undefined && sourceFile === undefined));
- var errors = [];
- var parsedConfig = parseConfig(json, sourceFile, host, basePath, configFileName, resolutionStack, errors, extendedConfigCache);
- var raw = parsedConfig.raw;
- var options = ts.extend(existingOptions, parsedConfig.options || {});
- var watchOptions = existingWatchOptions && parsedConfig.watchOptions ?
- ts.extend(existingWatchOptions, parsedConfig.watchOptions) :
- parsedConfig.watchOptions || existingWatchOptions;
- options.configFilePath = configFileName && ts.normalizeSlashes(configFileName);
- setConfigFileInOptions(options, sourceFile);
- var projectReferences;
- var _a = getFileNames(), fileNames = _a.fileNames, wildcardDirectories = _a.wildcardDirectories, spec = _a.spec;
- return {
- options: options,
- watchOptions: watchOptions,
- fileNames: fileNames,
- projectReferences: projectReferences,
- typeAcquisition: parsedConfig.typeAcquisition || getDefaultTypeAcquisition(),
- raw: raw,
- errors: errors,
- wildcardDirectories: wildcardDirectories,
- compileOnSave: !!raw.compileOnSave,
- configFileSpecs: spec
- };
- function getFileNames() {
- var filesSpecs;
- if (ts.hasProperty(raw, "files") && !isNullOrUndefined(raw.files)) {
- if (ts.isArray(raw.files)) {
- filesSpecs = raw.files;
- var hasReferences = ts.hasProperty(raw, "references") && !isNullOrUndefined(raw.references);
- var hasZeroOrNoReferences = !hasReferences || raw.references.length === 0;
- var hasExtends = ts.hasProperty(raw, "extends");
- if (filesSpecs.length === 0 && hasZeroOrNoReferences && !hasExtends) {
- if (sourceFile) {
- var fileName = configFileName || "tsconfig.json";
- var diagnosticMessage = ts.Diagnostics.The_files_list_in_config_file_0_is_empty;
- var nodeValue = ts.firstDefined(ts.getTsConfigPropArray(sourceFile, "files"), function (property) { return property.initializer; });
- var error = nodeValue
- ? ts.createDiagnosticForNodeInSourceFile(sourceFile, nodeValue, diagnosticMessage, fileName)
- : ts.createCompilerDiagnostic(diagnosticMessage, fileName);
- errors.push(error);
- }
- else {
- createCompilerDiagnosticOnlyIfJson(ts.Diagnostics.The_files_list_in_config_file_0_is_empty, configFileName || "tsconfig.json");
- }
- }
- }
- else {
- createCompilerDiagnosticOnlyIfJson(ts.Diagnostics.Compiler_option_0_requires_a_value_of_type_1, "files", "Array");
- }
- }
- var includeSpecs;
- if (ts.hasProperty(raw, "include") && !isNullOrUndefined(raw.include)) {
- if (ts.isArray(raw.include)) {
- includeSpecs = raw.include;
- }
- else {
- createCompilerDiagnosticOnlyIfJson(ts.Diagnostics.Compiler_option_0_requires_a_value_of_type_1, "include", "Array");
- }
- }
- var excludeSpecs;
- if (ts.hasProperty(raw, "exclude") && !isNullOrUndefined(raw.exclude)) {
- if (ts.isArray(raw.exclude)) {
- excludeSpecs = raw.exclude;
- }
- else {
- createCompilerDiagnosticOnlyIfJson(ts.Diagnostics.Compiler_option_0_requires_a_value_of_type_1, "exclude", "Array");
- }
- }
- else if (raw.compilerOptions) {
- var outDir = raw.compilerOptions.outDir;
- var declarationDir = raw.compilerOptions.declarationDir;
- if (outDir || declarationDir) {
- excludeSpecs = [outDir, declarationDir].filter(function (d) { return !!d; });
- }
- }
- if (filesSpecs === undefined && includeSpecs === undefined) {
- includeSpecs = ["**/*"];
- }
- var result = matchFileNames(filesSpecs, includeSpecs, excludeSpecs, configFileName ? directoryOfCombinedPath(configFileName, basePath) : basePath, options, host, errors, extraFileExtensions, sourceFile);
- if (shouldReportNoInputFiles(result, canJsonReportNoInutFiles(raw), resolutionStack)) {
- errors.push(getErrorForNoInputFiles(result.spec, configFileName));
- }
- if (ts.hasProperty(raw, "references") && !isNullOrUndefined(raw.references)) {
- if (ts.isArray(raw.references)) {
- for (var _i = 0, _a = raw.references; _i < _a.length; _i++) {
- var ref = _a[_i];
- if (typeof ref.path !== "string") {
- createCompilerDiagnosticOnlyIfJson(ts.Diagnostics.Compiler_option_0_requires_a_value_of_type_1, "reference.path", "string");
- }
- else {
- (projectReferences || (projectReferences = [])).push({
- path: ts.getNormalizedAbsolutePath(ref.path, basePath),
- originalPath: ref.path,
- prepend: ref.prepend,
- circular: ref.circular
- });
- }
- }
- }
- else {
- createCompilerDiagnosticOnlyIfJson(ts.Diagnostics.Compiler_option_0_requires_a_value_of_type_1, "references", "Array");
- }
- }
- return result;
- }
- function createCompilerDiagnosticOnlyIfJson(message, arg0, arg1) {
- if (!sourceFile) {
- errors.push(ts.createCompilerDiagnostic(message, arg0, arg1));
- }
- }
- }
- function isErrorNoInputFiles(error) {
- return error.code === ts.Diagnostics.No_inputs_were_found_in_config_file_0_Specified_include_paths_were_1_and_exclude_paths_were_2.code;
- }
- function getErrorForNoInputFiles(_a, configFileName) {
- var includeSpecs = _a.includeSpecs, excludeSpecs = _a.excludeSpecs;
- return ts.createCompilerDiagnostic(ts.Diagnostics.No_inputs_were_found_in_config_file_0_Specified_include_paths_were_1_and_exclude_paths_were_2, configFileName || "tsconfig.json", JSON.stringify(includeSpecs || []), JSON.stringify(excludeSpecs || []));
- }
- function shouldReportNoInputFiles(result, canJsonReportNoInutFiles, resolutionStack) {
- return result.fileNames.length === 0 && canJsonReportNoInutFiles && (!resolutionStack || resolutionStack.length === 0);
- }
- /*@internal*/
- function canJsonReportNoInutFiles(raw) {
- return !ts.hasProperty(raw, "files") && !ts.hasProperty(raw, "references");
- }
- ts.canJsonReportNoInutFiles = canJsonReportNoInutFiles;
- /*@internal*/
- function updateErrorForNoInputFiles(result, configFileName, configFileSpecs, configParseDiagnostics, canJsonReportNoInutFiles) {
- var existingErrors = configParseDiagnostics.length;
- if (shouldReportNoInputFiles(result, canJsonReportNoInutFiles)) {
- configParseDiagnostics.push(getErrorForNoInputFiles(configFileSpecs, configFileName));
- }
- else {
- ts.filterMutate(configParseDiagnostics, function (error) { return !isErrorNoInputFiles(error); });
- }
- return existingErrors !== configParseDiagnostics.length;
- }
- ts.updateErrorForNoInputFiles = updateErrorForNoInputFiles;
- function isSuccessfulParsedTsconfig(value) {
- return !!value.options;
- }
- /**
- * This *just* extracts options/include/exclude/files out of a config file.
- * It does *not* resolve the included files.
- */
- function parseConfig(json, sourceFile, host, basePath, configFileName, resolutionStack, errors, extendedConfigCache) {
- basePath = ts.normalizeSlashes(basePath);
- var resolvedPath = ts.getNormalizedAbsolutePath(configFileName || "", basePath);
- if (resolutionStack.indexOf(resolvedPath) >= 0) {
- errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.Circularity_detected_while_resolving_configuration_Colon_0, __spreadArrays(resolutionStack, [resolvedPath]).join(" -> ")));
- return { raw: json || convertToObject(sourceFile, errors) };
- }
- var ownConfig = json ?
- parseOwnConfigOfJson(json, host, basePath, configFileName, errors) :
- parseOwnConfigOfJsonSourceFile(sourceFile, host, basePath, configFileName, errors);
- if (ownConfig.extendedConfigPath) {
- // copy the resolution stack so it is never reused between branches in potential diamond-problem scenarios.
- resolutionStack = resolutionStack.concat([resolvedPath]);
- var extendedConfig = getExtendedConfig(sourceFile, ownConfig.extendedConfigPath, host, basePath, resolutionStack, errors, extendedConfigCache);
- if (extendedConfig && isSuccessfulParsedTsconfig(extendedConfig)) {
- var baseRaw_1 = extendedConfig.raw;
- var raw_1 = ownConfig.raw;
- var setPropertyInRawIfNotUndefined = function (propertyName) {
- var value = raw_1[propertyName] || baseRaw_1[propertyName];
- if (value) {
- raw_1[propertyName] = value;
- }
- };
- setPropertyInRawIfNotUndefined("include");
- setPropertyInRawIfNotUndefined("exclude");
- setPropertyInRawIfNotUndefined("files");
- if (raw_1.compileOnSave === undefined) {
- raw_1.compileOnSave = baseRaw_1.compileOnSave;
- }
- ownConfig.options = ts.assign({}, extendedConfig.options, ownConfig.options);
- ownConfig.watchOptions = ownConfig.watchOptions && extendedConfig.watchOptions ?
- ts.assign({}, extendedConfig.watchOptions, ownConfig.watchOptions) :
- ownConfig.watchOptions || extendedConfig.watchOptions;
- // TODO extend type typeAcquisition
- }
- }
- return ownConfig;
- }
- function parseOwnConfigOfJson(json, host, basePath, configFileName, errors) {
- if (ts.hasProperty(json, "excludes")) {
- errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.Unknown_option_excludes_Did_you_mean_exclude));
- }
- var options = convertCompilerOptionsFromJsonWorker(json.compilerOptions, basePath, errors, configFileName);
- // typingOptions has been deprecated and is only supported for backward compatibility purposes.
- // It should be removed in future releases - use typeAcquisition instead.
- var typeAcquisition = convertTypeAcquisitionFromJsonWorker(json.typeAcquisition || json.typingOptions, basePath, errors, configFileName);
- var watchOptions = convertWatchOptionsFromJsonWorker(json.watchOptions, basePath, errors);
- json.compileOnSave = convertCompileOnSaveOptionFromJson(json, basePath, errors);
- var extendedConfigPath;
- if (json.extends) {
- if (!ts.isString(json.extends)) {
- errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.Compiler_option_0_requires_a_value_of_type_1, "extends", "string"));
- }
- else {
- var newBase = configFileName ? directoryOfCombinedPath(configFileName, basePath) : basePath;
- extendedConfigPath = getExtendsConfigPath(json.extends, host, newBase, errors, ts.createCompilerDiagnostic);
- }
- }
- return { raw: json, options: options, watchOptions: watchOptions, typeAcquisition: typeAcquisition, extendedConfigPath: extendedConfigPath };
- }
- function parseOwnConfigOfJsonSourceFile(sourceFile, host, basePath, configFileName, errors) {
- var options = getDefaultCompilerOptions(configFileName);
- var typeAcquisition, typingOptionstypeAcquisition;
- var watchOptions;
- var extendedConfigPath;
- var optionsIterator = {
- onSetValidOptionKeyValueInParent: function (parentOption, option, value) {
- var currentOption;
- switch (parentOption) {
- case "compilerOptions":
- currentOption = options;
- break;
- case "watchOptions":
- currentOption = (watchOptions || (watchOptions = {}));
- break;
- case "typeAcquisition":
- currentOption = (typeAcquisition || (typeAcquisition = getDefaultTypeAcquisition(configFileName)));
- break;
- case "typingOptions":
- currentOption = (typingOptionstypeAcquisition || (typingOptionstypeAcquisition = getDefaultTypeAcquisition(configFileName)));
- break;
- default:
- ts.Debug.fail("Unknown option");
- }
- currentOption[option.name] = normalizeOptionValue(option, basePath, value);
- },
- onSetValidOptionKeyValueInRoot: function (key, _keyNode, value, valueNode) {
- switch (key) {
- case "extends":
- var newBase = configFileName ? directoryOfCombinedPath(configFileName, basePath) : basePath;
- extendedConfigPath = getExtendsConfigPath(value, host, newBase, errors, function (message, arg0) {
- return ts.createDiagnosticForNodeInSourceFile(sourceFile, valueNode, message, arg0);
- });
- return;
- }
- },
- onSetUnknownOptionKeyValueInRoot: function (key, keyNode, _value, _valueNode) {
- if (key === "excludes") {
- errors.push(ts.createDiagnosticForNodeInSourceFile(sourceFile, keyNode, ts.Diagnostics.Unknown_option_excludes_Did_you_mean_exclude));
- }
- }
- };
- var json = convertToObjectWorker(sourceFile, errors, /*returnValue*/ true, getTsconfigRootOptionsMap(), optionsIterator);
- if (!typeAcquisition) {
- if (typingOptionstypeAcquisition) {
- typeAcquisition = (typingOptionstypeAcquisition.enableAutoDiscovery !== undefined) ?
- {
- enable: typingOptionstypeAcquisition.enableAutoDiscovery,
- include: typingOptionstypeAcquisition.include,
- exclude: typingOptionstypeAcquisition.exclude
- } :
- typingOptionstypeAcquisition;
- }
- else {
- typeAcquisition = getDefaultTypeAcquisition(configFileName);
- }
- }
- return { raw: json, options: options, watchOptions: watchOptions, typeAcquisition: typeAcquisition, extendedConfigPath: extendedConfigPath };
- }
- function getExtendsConfigPath(extendedConfig, host, basePath, errors, createDiagnostic) {
- extendedConfig = ts.normalizeSlashes(extendedConfig);
- if (ts.isRootedDiskPath(extendedConfig) || ts.startsWith(extendedConfig, "./") || ts.startsWith(extendedConfig, "../")) {
- var extendedConfigPath = ts.getNormalizedAbsolutePath(extendedConfig, basePath);
- if (!host.fileExists(extendedConfigPath) && !ts.endsWith(extendedConfigPath, ".json" /* Json */)) {
- extendedConfigPath = extendedConfigPath + ".json";
- if (!host.fileExists(extendedConfigPath)) {
- errors.push(createDiagnostic(ts.Diagnostics.File_0_not_found, extendedConfig));
- return undefined;
- }
- }
- return extendedConfigPath;
- }
- // If the path isn't a rooted or relative path, resolve like a module
- var resolved = ts.nodeModuleNameResolver(extendedConfig, ts.combinePaths(basePath, "tsconfig.json"), { moduleResolution: ts.ModuleResolutionKind.NodeJs }, host, /*cache*/ undefined, /*projectRefs*/ undefined, /*lookupConfig*/ true);
- if (resolved.resolvedModule) {
- return resolved.resolvedModule.resolvedFileName;
- }
- errors.push(createDiagnostic(ts.Diagnostics.File_0_not_found, extendedConfig));
- return undefined;
- }
- function getExtendedConfig(sourceFile, extendedConfigPath, host, basePath, resolutionStack, errors, extendedConfigCache) {
- var _a;
- var path = host.useCaseSensitiveFileNames ? extendedConfigPath : ts.toFileNameLowerCase(extendedConfigPath);
- var value;
- var extendedResult;
- var extendedConfig;
- if (extendedConfigCache && (value = extendedConfigCache.get(path))) {
- (extendedResult = value.extendedResult, extendedConfig = value.extendedConfig);
- }
- else {
- extendedResult = readJsonConfigFile(extendedConfigPath, function (path) { return host.readFile(path); });
- if (!extendedResult.parseDiagnostics.length) {
- var extendedDirname = ts.getDirectoryPath(extendedConfigPath);
- extendedConfig = parseConfig(/*json*/ undefined, extendedResult, host, extendedDirname, ts.getBaseFileName(extendedConfigPath), resolutionStack, errors, extendedConfigCache);
- if (isSuccessfulParsedTsconfig(extendedConfig)) {
- // Update the paths to reflect base path
- var relativeDifference_1 = ts.convertToRelativePath(extendedDirname, basePath, ts.identity);
- var updatePath_1 = function (path) { return ts.isRootedDiskPath(path) ? path : ts.combinePaths(relativeDifference_1, path); };
- var mapPropertiesInRawIfNotUndefined = function (propertyName) {
- if (raw_2[propertyName]) {
- raw_2[propertyName] = ts.map(raw_2[propertyName], updatePath_1);
- }
- };
- var raw_2 = extendedConfig.raw;
- mapPropertiesInRawIfNotUndefined("include");
- mapPropertiesInRawIfNotUndefined("exclude");
- mapPropertiesInRawIfNotUndefined("files");
- }
- }
- if (extendedConfigCache) {
- extendedConfigCache.set(path, { extendedResult: extendedResult, extendedConfig: extendedConfig });
- }
- }
- if (sourceFile) {
- sourceFile.extendedSourceFiles = [extendedResult.fileName];
- if (extendedResult.extendedSourceFiles) {
- (_a = sourceFile.extendedSourceFiles).push.apply(_a, extendedResult.extendedSourceFiles);
- }
- }
- if (extendedResult.parseDiagnostics.length) {
- errors.push.apply(errors, extendedResult.parseDiagnostics);
- return undefined;
- }
- return extendedConfig;
- }
- function convertCompileOnSaveOptionFromJson(jsonOption, basePath, errors) {
- if (!ts.hasProperty(jsonOption, ts.compileOnSaveCommandLineOption.name)) {
- return false;
- }
- var result = convertJsonOption(ts.compileOnSaveCommandLineOption, jsonOption.compileOnSave, basePath, errors);
- return typeof result === "boolean" && result;
- }
- function convertCompilerOptionsFromJson(jsonOptions, basePath, configFileName) {
- var errors = [];
- var options = convertCompilerOptionsFromJsonWorker(jsonOptions, basePath, errors, configFileName);
- return { options: options, errors: errors };
- }
- ts.convertCompilerOptionsFromJson = convertCompilerOptionsFromJson;
- function convertTypeAcquisitionFromJson(jsonOptions, basePath, configFileName) {
- var errors = [];
- var options = convertTypeAcquisitionFromJsonWorker(jsonOptions, basePath, errors, configFileName);
- return { options: options, errors: errors };
- }
- ts.convertTypeAcquisitionFromJson = convertTypeAcquisitionFromJson;
- function getDefaultCompilerOptions(configFileName) {
- var options = configFileName && ts.getBaseFileName(configFileName) === "jsconfig.json"
- ? { allowJs: true, maxNodeModuleJsDepth: 2, allowSyntheticDefaultImports: true, skipLibCheck: true, noEmit: true }
- : {};
- return options;
- }
- function convertCompilerOptionsFromJsonWorker(jsonOptions, basePath, errors, configFileName) {
- var options = getDefaultCompilerOptions(configFileName);
- convertOptionsFromJson(getCommandLineCompilerOptionsMap(), jsonOptions, basePath, options, ts.compilerOptionsDidYouMeanDiagnostics, errors);
- if (configFileName) {
- options.configFilePath = ts.normalizeSlashes(configFileName);
- }
- return options;
- }
- function getDefaultTypeAcquisition(configFileName) {
- return { enable: !!configFileName && ts.getBaseFileName(configFileName) === "jsconfig.json", include: [], exclude: [] };
- }
- function convertTypeAcquisitionFromJsonWorker(jsonOptions, basePath, errors, configFileName) {
- var options = getDefaultTypeAcquisition(configFileName);
- var typeAcquisition = convertEnableAutoDiscoveryToEnable(jsonOptions);
- convertOptionsFromJson(getCommandLineTypeAcquisitionMap(), typeAcquisition, basePath, options, typeAcquisitionDidYouMeanDiagnostics, errors);
- return options;
- }
- function convertWatchOptionsFromJsonWorker(jsonOptions, basePath, errors) {
- return convertOptionsFromJson(getCommandLineWatchOptionsMap(), jsonOptions, basePath, /*defaultOptions*/ undefined, watchOptionsDidYouMeanDiagnostics, errors);
- }
- function convertOptionsFromJson(optionsNameMap, jsonOptions, basePath, defaultOptions, diagnostics, errors) {
- if (!jsonOptions) {
- return;
- }
- for (var id in jsonOptions) {
- var opt = optionsNameMap.get(id);
- if (opt) {
- (defaultOptions || (defaultOptions = {}))[opt.name] = convertJsonOption(opt, jsonOptions[id], basePath, errors);
- }
- else {
- errors.push(createUnknownOptionError(id, diagnostics, ts.createCompilerDiagnostic));
- }
- }
- return defaultOptions;
- }
- function convertJsonOption(opt, value, basePath, errors) {
- if (isCompilerOptionsValue(opt, value)) {
- var optType = opt.type;
- if (optType === "list" && ts.isArray(value)) {
- return convertJsonOptionOfListType(opt, value, basePath, errors);
- }
- else if (!ts.isString(optType)) {
- return convertJsonOptionOfCustomType(opt, value, errors);
- }
- return normalizeNonListOptionValue(opt, basePath, value);
- }
- else {
- errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.Compiler_option_0_requires_a_value_of_type_1, opt.name, getCompilerOptionValueTypeString(opt)));
- }
- }
- function normalizeOptionValue(option, basePath, value) {
- if (isNullOrUndefined(value))
- return undefined;
- if (option.type === "list") {
- var listOption_1 = option;
- if (listOption_1.element.isFilePath || !ts.isString(listOption_1.element.type)) {
- return ts.filter(ts.map(value, function (v) { return normalizeOptionValue(listOption_1.element, basePath, v); }), function (v) { return !!v; });
- }
- return value;
- }
- else if (!ts.isString(option.type)) {
- return option.type.get(ts.isString(value) ? value.toLowerCase() : value);
- }
- return normalizeNonListOptionValue(option, basePath, value);
- }
- function normalizeNonListOptionValue(option, basePath, value) {
- if (option.isFilePath) {
- value = ts.getNormalizedAbsolutePath(value, basePath);
- if (value === "") {
- value = ".";
- }
- }
- return value;
- }
- function convertJsonOptionOfCustomType(opt, value, errors) {
- if (isNullOrUndefined(value))
- return undefined;
- var key = value.toLowerCase();
- var val = opt.type.get(key);
- if (val !== undefined) {
- return val;
- }
- else {
- errors.push(createCompilerDiagnosticForInvalidCustomType(opt));
- }
- }
- function convertJsonOptionOfListType(option, values, basePath, errors) {
- return ts.filter(ts.map(values, function (v) { return convertJsonOption(option.element, v, basePath, errors); }), function (v) { return !!v; });
- }
- function trimString(s) {
- return typeof s.trim === "function" ? s.trim() : s.replace(/^[\s]+|[\s]+$/g, "");
- }
- /**
- * Tests for a path that ends in a recursive directory wildcard.
- * Matches **, \**, **\, and \**\, but not a**b.
- *
- * NOTE: used \ in place of / above to avoid issues with multiline comments.
- *
- * Breakdown:
- * (^|\/) # matches either the beginning of the string or a directory separator.
- * \*\* # matches the recursive directory wildcard "**".
- * \/?$ # matches an optional trailing directory separator at the end of the string.
- */
- var invalidTrailingRecursionPattern = /(^|\/)\*\*\/?$/;
- /**
- * Tests for a path where .. appears after a recursive directory wildcard.
- * Matches **\..\*, **\a\..\*, and **\.., but not ..\**\*
- *
- * NOTE: used \ in place of / above to avoid issues with multiline comments.
- *
- * Breakdown:
- * (^|\/) # matches either the beginning of the string or a directory separator.
- * \*\*\/ # matches a recursive directory wildcard "**" followed by a directory separator.
- * (.*\/)? # optionally matches any number of characters followed by a directory separator.
- * \.\. # matches a parent directory path component ".."
- * ($|\/) # matches either the end of the string or a directory separator.
- */
- var invalidDotDotAfterRecursiveWildcardPattern = /(^|\/)\*\*\/(.*\/)?\.\.($|\/)/;
- /**
- * Tests for a path containing a wildcard character in a directory component of the path.
- * Matches \*\, \?\, and \a*b\, but not \a\ or \a\*.
- *
- * NOTE: used \ in place of / above to avoid issues with multiline comments.
- *
- * Breakdown:
- * \/ # matches a directory separator.
- * [^/]*? # matches any number of characters excluding directory separators (non-greedy).
- * [*?] # matches either a wildcard character (* or ?)
- * [^/]* # matches any number of characters excluding directory separators (greedy).
- * \/ # matches a directory separator.
- */
- var watchRecursivePattern = /\/[^/]*?[*?][^/]*\//;
- /**
- * Matches the portion of a wildcard path that does not contain wildcards.
- * Matches \a of \a\*, or \a\b\c of \a\b\c\?\d.
- *
- * NOTE: used \ in place of / above to avoid issues with multiline comments.
- *
- * Breakdown:
- * ^ # matches the beginning of the string
- * [^*?]* # matches any number of non-wildcard characters
- * (?=\/[^/]*[*?]) # lookahead that matches a directory separator followed by
- * # a path component that contains at least one wildcard character (* or ?).
- */
- var wildcardDirectoryPattern = /^[^*?]*(?=\/[^/]*[*?])/;
- /**
- * Expands an array of file specifications.
- *
- * @param filesSpecs The literal file names to include.
- * @param includeSpecs The wildcard file specifications to include.
- * @param excludeSpecs The wildcard file specifications to exclude.
- * @param basePath The base path for any relative file specifications.
- * @param options Compiler options.
- * @param host The host used to resolve files and directories.
- * @param errors An array for diagnostic reporting.
- */
- function matchFileNames(filesSpecs, includeSpecs, excludeSpecs, basePath, options, host, errors, extraFileExtensions, jsonSourceFile) {
- basePath = ts.normalizePath(basePath);
- var validatedIncludeSpecs, validatedExcludeSpecs;
- // The exclude spec list is converted into a regular expression, which allows us to quickly
- // test whether a file or directory should be excluded before recursively traversing the
- // file system.
- if (includeSpecs) {
- validatedIncludeSpecs = validateSpecs(includeSpecs, errors, /*allowTrailingRecursion*/ false, jsonSourceFile, "include");
- }
- if (excludeSpecs) {
- validatedExcludeSpecs = validateSpecs(excludeSpecs, errors, /*allowTrailingRecursion*/ true, jsonSourceFile, "exclude");
- }
- // Wildcard directories (provided as part of a wildcard path) are stored in a
- // file map that marks whether it was a regular wildcard match (with a `*` or `?` token),
- // or a recursive directory. This information is used by filesystem watchers to monitor for
- // new entries in these paths.
- var wildcardDirectories = getWildcardDirectories(validatedIncludeSpecs, validatedExcludeSpecs, basePath, host.useCaseSensitiveFileNames);
- var spec = { filesSpecs: filesSpecs, includeSpecs: includeSpecs, excludeSpecs: excludeSpecs, validatedIncludeSpecs: validatedIncludeSpecs, validatedExcludeSpecs: validatedExcludeSpecs, wildcardDirectories: wildcardDirectories };
- return getFileNamesFromConfigSpecs(spec, basePath, options, host, extraFileExtensions);
- }
- /**
- * Gets the file names from the provided config file specs that contain, files, include, exclude and
- * other properties needed to resolve the file names
- * @param spec The config file specs extracted with file names to include, wildcards to include/exclude and other details
- * @param basePath The base path for any relative file specifications.
- * @param options Compiler options.
- * @param host The host used to resolve files and directories.
- * @param extraFileExtensions optionaly file extra file extension information from host
- */
- /* @internal */
- function getFileNamesFromConfigSpecs(spec, basePath, options, host, extraFileExtensions) {
- if (extraFileExtensions === void 0) { extraFileExtensions = []; }
- basePath = ts.normalizePath(basePath);
- var keyMapper = ts.createGetCanonicalFileName(host.useCaseSensitiveFileNames);
- // Literal file names (provided via the "files" array in tsconfig.json) are stored in a
- // file map with a possibly case insensitive key. We use this map later when when including
- // wildcard paths.
- var literalFileMap = ts.createMap();
- // Wildcard paths (provided via the "includes" array in tsconfig.json) are stored in a
- // file map with a possibly case insensitive key. We use this map to store paths matched
- // via wildcard, and to handle extension priority.
- var wildcardFileMap = ts.createMap();
- // Wildcard paths of json files (provided via the "includes" array in tsconfig.json) are stored in a
- // file map with a possibly case insensitive key. We use this map to store paths matched
- // via wildcard of *.json kind
- var wildCardJsonFileMap = ts.createMap();
- var filesSpecs = spec.filesSpecs, validatedIncludeSpecs = spec.validatedIncludeSpecs, validatedExcludeSpecs = spec.validatedExcludeSpecs, wildcardDirectories = spec.wildcardDirectories;
- // Rather than requery this for each file and filespec, we query the supported extensions
- // once and store it on the expansion context.
- var supportedExtensions = ts.getSupportedExtensions(options, extraFileExtensions);
- var supportedExtensionsWithJsonIfResolveJsonModule = ts.getSuppoertedExtensionsWithJsonIfResolveJsonModule(options, supportedExtensions);
- // Literal files are always included verbatim. An "include" or "exclude" specification cannot
- // remove a literal file.
- if (filesSpecs) {
- for (var _i = 0, filesSpecs_1 = filesSpecs; _i < filesSpecs_1.length; _i++) {
- var fileName = filesSpecs_1[_i];
- var file = ts.getNormalizedAbsolutePath(fileName, basePath);
- literalFileMap.set(keyMapper(file), file);
- }
- }
- var jsonOnlyIncludeRegexes;
- if (validatedIncludeSpecs && validatedIncludeSpecs.length > 0) {
- var _loop_5 = function (file) {
- if (ts.fileExtensionIs(file, ".json" /* Json */)) {
- // Valid only if *.json specified
- if (!jsonOnlyIncludeRegexes) {
- var includes = validatedIncludeSpecs.filter(function (s) { return ts.endsWith(s, ".json" /* Json */); });
- var includeFilePatterns = ts.map(ts.getRegularExpressionsForWildcards(includes, basePath, "files"), function (pattern) { return "^" + pattern + "$"; });
- jsonOnlyIncludeRegexes = includeFilePatterns ? includeFilePatterns.map(function (pattern) { return ts.getRegexFromPattern(pattern, host.useCaseSensitiveFileNames); }) : ts.emptyArray;
- }
- var includeIndex = ts.findIndex(jsonOnlyIncludeRegexes, function (re) { return re.test(file); });
- if (includeIndex !== -1) {
- var key_1 = keyMapper(file);
- if (!literalFileMap.has(key_1) && !wildCardJsonFileMap.has(key_1)) {
- wildCardJsonFileMap.set(key_1, file);
- }
- }
- return "continue";
- }
- // If we have already included a literal or wildcard path with a
- // higher priority extension, we should skip this file.
- //
- // This handles cases where we may encounter both <file>.ts and
- // <file>.d.ts (or <file>.js if "allowJs" is enabled) in the same
- // directory when they are compilation outputs.
- if (hasFileWithHigherPriorityExtension(file, literalFileMap, wildcardFileMap, supportedExtensions, keyMapper)) {
- return "continue";
- }
- // We may have included a wildcard path with a lower priority
- // extension due to the user-defined order of entries in the
- // "include" array. If there is a lower priority extension in the
- // same directory, we should remove it.
- removeWildcardFilesWithLowerPriorityExtension(file, wildcardFileMap, supportedExtensions, keyMapper);
- var key = keyMapper(file);
- if (!literalFileMap.has(key) && !wildcardFileMap.has(key)) {
- wildcardFileMap.set(key, file);
- }
- };
- for (var _a = 0, _b = host.readDirectory(basePath, supportedExtensionsWithJsonIfResolveJsonModule, validatedExcludeSpecs, validatedIncludeSpecs, /*depth*/ undefined); _a < _b.length; _a++) {
- var file = _b[_a];
- _loop_5(file);
- }
- }
- var literalFiles = ts.arrayFrom(literalFileMap.values());
- var wildcardFiles = ts.arrayFrom(wildcardFileMap.values());
- return {
- fileNames: literalFiles.concat(wildcardFiles, ts.arrayFrom(wildCardJsonFileMap.values())),
- wildcardDirectories: wildcardDirectories,
- spec: spec
- };
- }
- ts.getFileNamesFromConfigSpecs = getFileNamesFromConfigSpecs;
- function validateSpecs(specs, errors, allowTrailingRecursion, jsonSourceFile, specKey) {
- return specs.filter(function (spec) {
- var diag = specToDiagnostic(spec, allowTrailingRecursion);
- if (diag !== undefined) {
- errors.push(createDiagnostic(diag, spec));
- }
- return diag === undefined;
- });
- function createDiagnostic(message, spec) {
- var element = ts.getTsConfigPropArrayElementValue(jsonSourceFile, specKey, spec);
- return element ?
- ts.createDiagnosticForNodeInSourceFile(jsonSourceFile, element, message, spec) :
- ts.createCompilerDiagnostic(message, spec);
- }
- }
- function specToDiagnostic(spec, allowTrailingRecursion) {
- if (!allowTrailingRecursion && invalidTrailingRecursionPattern.test(spec)) {
- return ts.Diagnostics.File_specification_cannot_end_in_a_recursive_directory_wildcard_Asterisk_Asterisk_Colon_0;
- }
- else if (invalidDotDotAfterRecursiveWildcardPattern.test(spec)) {
- return ts.Diagnostics.File_specification_cannot_contain_a_parent_directory_that_appears_after_a_recursive_directory_wildcard_Asterisk_Asterisk_Colon_0;
- }
- }
- /**
- * Gets directories in a set of include patterns that should be watched for changes.
- */
- function getWildcardDirectories(include, exclude, path, useCaseSensitiveFileNames) {
- // We watch a directory recursively if it contains a wildcard anywhere in a directory segment
- // of the pattern:
- //
- // /a/b/**/d - Watch /a/b recursively to catch changes to any d in any subfolder recursively
- // /a/b/*/d - Watch /a/b recursively to catch any d in any immediate subfolder, even if a new subfolder is added
- // /a/b - Watch /a/b recursively to catch changes to anything in any recursive subfoler
- //
- // We watch a directory without recursion if it contains a wildcard in the file segment of
- // the pattern:
- //
- // /a/b/* - Watch /a/b directly to catch any new file
- // /a/b/a?z - Watch /a/b directly to catch any new file matching a?z
- var rawExcludeRegex = ts.getRegularExpressionForWildcard(exclude, path, "exclude");
- var excludeRegex = rawExcludeRegex && new RegExp(rawExcludeRegex, useCaseSensitiveFileNames ? "" : "i");
- var wildcardDirectories = {};
- if (include !== undefined) {
- var recursiveKeys = [];
- for (var _i = 0, include_1 = include; _i < include_1.length; _i++) {
- var file = include_1[_i];
- var spec = ts.normalizePath(ts.combinePaths(path, file));
- if (excludeRegex && excludeRegex.test(spec)) {
- continue;
- }
- var match = getWildcardDirectoryFromSpec(spec, useCaseSensitiveFileNames);
- if (match) {
- var key = match.key, flags = match.flags;
- var existingFlags = wildcardDirectories[key];
- if (existingFlags === undefined || existingFlags < flags) {
- wildcardDirectories[key] = flags;
- if (flags === 1 /* Recursive */) {
- recursiveKeys.push(key);
- }
- }
- }
- }
- // Remove any subpaths under an existing recursively watched directory.
- for (var key in wildcardDirectories) {
- if (ts.hasProperty(wildcardDirectories, key)) {
- for (var _a = 0, recursiveKeys_1 = recursiveKeys; _a < recursiveKeys_1.length; _a++) {
- var recursiveKey = recursiveKeys_1[_a];
- if (key !== recursiveKey && ts.containsPath(recursiveKey, key, path, !useCaseSensitiveFileNames)) {
- delete wildcardDirectories[key];
- }
- }
- }
- }
- }
- return wildcardDirectories;
- }
- function getWildcardDirectoryFromSpec(spec, useCaseSensitiveFileNames) {
- var match = wildcardDirectoryPattern.exec(spec);
- if (match) {
- return {
- key: useCaseSensitiveFileNames ? match[0] : ts.toFileNameLowerCase(match[0]),
- flags: watchRecursivePattern.test(spec) ? 1 /* Recursive */ : 0 /* None */
- };
- }
- if (ts.isImplicitGlob(spec)) {
- return { key: spec, flags: 1 /* Recursive */ };
- }
- return undefined;
- }
- /**
- * Determines whether a literal or wildcard file has already been included that has a higher
- * extension priority.
- *
- * @param file The path to the file.
- * @param extensionPriority The priority of the extension.
- * @param context The expansion context.
- */
- function hasFileWithHigherPriorityExtension(file, literalFiles, wildcardFiles, extensions, keyMapper) {
- var extensionPriority = ts.getExtensionPriority(file, extensions);
- var adjustedExtensionPriority = ts.adjustExtensionPriority(extensionPriority, extensions);
- for (var i = 0 /* Highest */; i < adjustedExtensionPriority; i++) {
- var higherPriorityExtension = extensions[i];
- var higherPriorityPath = keyMapper(ts.changeExtension(file, higherPriorityExtension));
- if (literalFiles.has(higherPriorityPath) || wildcardFiles.has(higherPriorityPath)) {
- return true;
- }
- }
- return false;
- }
- /**
- * Removes files included via wildcard expansion with a lower extension priority that have
- * already been included.
- *
- * @param file The path to the file.
- * @param extensionPriority The priority of the extension.
- * @param context The expansion context.
- */
- function removeWildcardFilesWithLowerPriorityExtension(file, wildcardFiles, extensions, keyMapper) {
- var extensionPriority = ts.getExtensionPriority(file, extensions);
- var nextExtensionPriority = ts.getNextLowestExtensionPriority(extensionPriority, extensions);
- for (var i = nextExtensionPriority; i < extensions.length; i++) {
- var lowerPriorityExtension = extensions[i];
- var lowerPriorityPath = keyMapper(ts.changeExtension(file, lowerPriorityExtension));
- wildcardFiles.delete(lowerPriorityPath);
- }
- }
- /**
- * Produces a cleaned version of compiler options with personally identifying info (aka, paths) removed.
- * Also converts enum values back to strings.
- */
- /* @internal */
- function convertCompilerOptionsForTelemetry(opts) {
- var out = {};
- for (var key in opts) {
- if (opts.hasOwnProperty(key)) {
- var type = getOptionFromName(key);
- if (type !== undefined) { // Ignore unknown options
- out[key] = getOptionValueWithEmptyStrings(opts[key], type);
- }
- }
- }
- return out;
- }
- ts.convertCompilerOptionsForTelemetry = convertCompilerOptionsForTelemetry;
- function getOptionValueWithEmptyStrings(value, option) {
- switch (option.type) {
- case "object": // "paths". Can't get any useful information from the value since we blank out strings, so just return "".
- return "";
- case "string": // Could be any arbitrary string -- use empty string instead.
- return "";
- case "number": // Allow numbers, but be sure to check it's actually a number.
- return typeof value === "number" ? value : "";
- case "boolean":
- return typeof value === "boolean" ? value : "";
- case "list":
- var elementType_1 = option.element;
- return ts.isArray(value) ? value.map(function (v) { return getOptionValueWithEmptyStrings(v, elementType_1); }) : "";
- default:
- return ts.forEachEntry(option.type, function (optionEnumValue, optionStringValue) {
- if (optionEnumValue === value) {
- return optionStringValue;
- }
- }); // TODO: GH#18217
- }
- }
-})(ts || (ts = {}));
-var ts;
-(function (ts) {
- function trace(host) {
- host.trace(ts.formatMessage.apply(undefined, arguments));
- }
- ts.trace = trace;
- /* @internal */
- function isTraceEnabled(compilerOptions, host) {
- return !!compilerOptions.traceResolution && host.trace !== undefined;
- }
- ts.isTraceEnabled = isTraceEnabled;
- function withPackageId(packageInfo, r) {
- var packageId;
- if (r && packageInfo) {
- var packageJsonContent = packageInfo.packageJsonContent;
- if (typeof packageJsonContent.name === "string" && typeof packageJsonContent.version === "string") {
- packageId = {
- name: packageJsonContent.name,
- subModuleName: r.path.slice(packageInfo.packageDirectory.length + ts.directorySeparator.length),
- version: packageJsonContent.version
- };
- }
- }
- return r && { path: r.path, extension: r.ext, packageId: packageId };
- }
- function noPackageId(r) {
- return withPackageId(/*packageInfo*/ undefined, r);
- }
- function removeIgnoredPackageId(r) {
- if (r) {
- ts.Debug.assert(r.packageId === undefined);
- return { path: r.path, ext: r.extension };
- }
- }
- /**
- * Kinds of file that we are currently looking for.
- * Typically there is one pass with Extensions.TypeScript, then a second pass with Extensions.JavaScript.
- */
- var Extensions;
- (function (Extensions) {
- Extensions[Extensions["TypeScript"] = 0] = "TypeScript";
- Extensions[Extensions["JavaScript"] = 1] = "JavaScript";
- Extensions[Extensions["Json"] = 2] = "Json";
- Extensions[Extensions["TSConfig"] = 3] = "TSConfig";
- Extensions[Extensions["DtsOnly"] = 4] = "DtsOnly"; /** Only '.d.ts' */
- })(Extensions || (Extensions = {}));
- /** Used with `Extensions.DtsOnly` to extract the path from TypeScript results. */
- function resolvedTypeScriptOnly(resolved) {
- if (!resolved) {
- return undefined;
- }
- ts.Debug.assert(ts.extensionIsTS(resolved.extension));
- return { fileName: resolved.path, packageId: resolved.packageId };
- }
- function createResolvedModuleWithFailedLookupLocations(resolved, isExternalLibraryImport, failedLookupLocations, resultFromCache) {
- var _a;
- if (resultFromCache) {
- (_a = resultFromCache.failedLookupLocations).push.apply(_a, failedLookupLocations);
- return resultFromCache;
- }
- return {
- resolvedModule: resolved && { resolvedFileName: resolved.path, originalPath: resolved.originalPath === true ? undefined : resolved.originalPath, extension: resolved.extension, isExternalLibraryImport: isExternalLibraryImport, packageId: resolved.packageId },
- failedLookupLocations: failedLookupLocations
- };
- }
- function readPackageJsonField(jsonContent, fieldName, typeOfTag, state) {
- if (!ts.hasProperty(jsonContent, fieldName)) {
- if (state.traceEnabled) {
- trace(state.host, ts.Diagnostics.package_json_does_not_have_a_0_field, fieldName);
- }
- return;
- }
- var value = jsonContent[fieldName];
- if (typeof value !== typeOfTag || value === null) { // eslint-disable-line no-null/no-null
- if (state.traceEnabled) {
- // eslint-disable-next-line no-null/no-null
- trace(state.host, ts.Diagnostics.Expected_type_of_0_field_in_package_json_to_be_1_got_2, fieldName, typeOfTag, value === null ? "null" : typeof value);
- }
- return;
- }
- return value;
- }
- function readPackageJsonPathField(jsonContent, fieldName, baseDirectory, state) {
- var fileName = readPackageJsonField(jsonContent, fieldName, "string", state);
- if (fileName === undefined) {
- return;
- }
- if (!fileName) {
- if (state.traceEnabled) {
- trace(state.host, ts.Diagnostics.package_json_had_a_falsy_0_field, fieldName);
- }
- return;
- }
- var path = ts.normalizePath(ts.combinePaths(baseDirectory, fileName));
- if (state.traceEnabled) {
- trace(state.host, ts.Diagnostics.package_json_has_0_field_1_that_references_2, fieldName, fileName, path);
- }
- return path;
- }
- function readPackageJsonTypesFields(jsonContent, baseDirectory, state) {
- return readPackageJsonPathField(jsonContent, "typings", baseDirectory, state)
- || readPackageJsonPathField(jsonContent, "types", baseDirectory, state);
- }
- function readPackageJsonTSConfigField(jsonContent, baseDirectory, state) {
- return readPackageJsonPathField(jsonContent, "tsconfig", baseDirectory, state);
- }
- function readPackageJsonMainField(jsonContent, baseDirectory, state) {
- return readPackageJsonPathField(jsonContent, "main", baseDirectory, state);
- }
- function readPackageJsonTypesVersionsField(jsonContent, state) {
- var typesVersions = readPackageJsonField(jsonContent, "typesVersions", "object", state);
- if (typesVersions === undefined)
- return;
- if (state.traceEnabled) {
- trace(state.host, ts.Diagnostics.package_json_has_a_typesVersions_field_with_version_specific_path_mappings);
- }
- return typesVersions;
- }
- function readPackageJsonTypesVersionPaths(jsonContent, state) {
- var typesVersions = readPackageJsonTypesVersionsField(jsonContent, state);
- if (typesVersions === undefined)
- return;
- if (state.traceEnabled) {
- for (var key in typesVersions) {
- if (ts.hasProperty(typesVersions, key) && !ts.VersionRange.tryParse(key)) {
- trace(state.host, ts.Diagnostics.package_json_has_a_typesVersions_entry_0_that_is_not_a_valid_semver_range, key);
- }
- }
- }
- var result = getPackageJsonTypesVersionsPaths(typesVersions);
- if (!result) {
- if (state.traceEnabled) {
- trace(state.host, ts.Diagnostics.package_json_does_not_have_a_typesVersions_entry_that_matches_version_0, ts.versionMajorMinor);
- }
- return;
- }
- var bestVersionKey = result.version, bestVersionPaths = result.paths;
- if (typeof bestVersionPaths !== "object") {
- if (state.traceEnabled) {
- trace(state.host, ts.Diagnostics.Expected_type_of_0_field_in_package_json_to_be_1_got_2, "typesVersions['" + bestVersionKey + "']", "object", typeof bestVersionPaths);
- }
- return;
- }
- return result;
- }
- var typeScriptVersion;
- /* @internal */
- function getPackageJsonTypesVersionsPaths(typesVersions) {
- if (!typeScriptVersion)
- typeScriptVersion = new ts.Version(ts.version);
- for (var key in typesVersions) {
- if (!ts.hasProperty(typesVersions, key))
- continue;
- var keyRange = ts.VersionRange.tryParse(key);
- if (keyRange === undefined) {
- continue;
- }
- // return the first entry whose range matches the current compiler version.
- if (keyRange.test(typeScriptVersion)) {
- return { version: key, paths: typesVersions[key] };
- }
- }
- }
- ts.getPackageJsonTypesVersionsPaths = getPackageJsonTypesVersionsPaths;
- function getEffectiveTypeRoots(options, host) {
- if (options.typeRoots) {
- return options.typeRoots;
- }
- var currentDirectory;
- if (options.configFilePath) {
- currentDirectory = ts.getDirectoryPath(options.configFilePath);
- }
- else if (host.getCurrentDirectory) {
- currentDirectory = host.getCurrentDirectory();
- }
- if (currentDirectory !== undefined) {
- return getDefaultTypeRoots(currentDirectory, host);
- }
- }
- ts.getEffectiveTypeRoots = getEffectiveTypeRoots;
- /**
- * Returns the path to every node_modules/@types directory from some ancestor directory.
- * Returns undefined if there are none.
- */
- function getDefaultTypeRoots(currentDirectory, host) {
- if (!host.directoryExists) {
- return [ts.combinePaths(currentDirectory, nodeModulesAtTypes)];
- // And if it doesn't exist, tough.
- }
- var typeRoots;
- ts.forEachAncestorDirectory(ts.normalizePath(currentDirectory), function (directory) {
- var atTypes = ts.combinePaths(directory, nodeModulesAtTypes);
- if (host.directoryExists(atTypes)) {
- (typeRoots || (typeRoots = [])).push(atTypes);
- }
- return undefined;
- });
- return typeRoots;
- }
- var nodeModulesAtTypes = ts.combinePaths("node_modules", "@types");
- /**
- * @param {string | undefined} containingFile - file that contains type reference directive, can be undefined if containing file is unknown.
- * This is possible in case if resolution is performed for directives specified via 'types' parameter. In this case initial path for secondary lookups
- * is assumed to be the same as root directory of the project.
- */
- function resolveTypeReferenceDirective(typeReferenceDirectiveName, containingFile, options, host, redirectedReference) {
- var traceEnabled = isTraceEnabled(options, host);
- if (redirectedReference) {
- options = redirectedReference.commandLine.options;
- }
- var failedLookupLocations = [];
- var moduleResolutionState = { compilerOptions: options, host: host, traceEnabled: traceEnabled, failedLookupLocations: failedLookupLocations };
- var typeRoots = getEffectiveTypeRoots(options, host);
- if (traceEnabled) {
- if (containingFile === undefined) {
- if (typeRoots === undefined) {
- trace(host, ts.Diagnostics.Resolving_type_reference_directive_0_containing_file_not_set_root_directory_not_set, typeReferenceDirectiveName);
- }
- else {
- trace(host, ts.Diagnostics.Resolving_type_reference_directive_0_containing_file_not_set_root_directory_1, typeReferenceDirectiveName, typeRoots);
- }
- }
- else {
- if (typeRoots === undefined) {
- trace(host, ts.Diagnostics.Resolving_type_reference_directive_0_containing_file_1_root_directory_not_set, typeReferenceDirectiveName, containingFile);
- }
- else {
- trace(host, ts.Diagnostics.Resolving_type_reference_directive_0_containing_file_1_root_directory_2, typeReferenceDirectiveName, containingFile, typeRoots);
- }
- }
- if (redirectedReference) {
- trace(host, ts.Diagnostics.Using_compiler_options_of_project_reference_redirect_0, redirectedReference.sourceFile.fileName);
- }
- }
- var resolved = primaryLookup();
- var primary = true;
- if (!resolved) {
- resolved = secondaryLookup();
- primary = false;
- }
- var resolvedTypeReferenceDirective;
- if (resolved) {
- var fileName = resolved.fileName, packageId = resolved.packageId;
- var resolvedFileName = options.preserveSymlinks ? fileName : realPath(fileName, host, traceEnabled);
- if (traceEnabled) {
- if (packageId) {
- trace(host, ts.Diagnostics.Type_reference_directive_0_was_successfully_resolved_to_1_with_Package_ID_2_primary_Colon_3, typeReferenceDirectiveName, resolvedFileName, ts.packageIdToString(packageId), primary);
- }
- else {
- trace(host, ts.Diagnostics.Type_reference_directive_0_was_successfully_resolved_to_1_primary_Colon_2, typeReferenceDirectiveName, resolvedFileName, primary);
- }
- }
- resolvedTypeReferenceDirective = { primary: primary, resolvedFileName: resolvedFileName, packageId: packageId, isExternalLibraryImport: pathContainsNodeModules(fileName) };
- }
- return { resolvedTypeReferenceDirective: resolvedTypeReferenceDirective, failedLookupLocations: failedLookupLocations };
- function primaryLookup() {
- // Check primary library paths
- if (typeRoots && typeRoots.length) {
- if (traceEnabled) {
- trace(host, ts.Diagnostics.Resolving_with_primary_search_path_0, typeRoots.join(", "));
- }
- return ts.firstDefined(typeRoots, function (typeRoot) {
- var candidate = ts.combinePaths(typeRoot, typeReferenceDirectiveName);
- var candidateDirectory = ts.getDirectoryPath(candidate);
- var directoryExists = ts.directoryProbablyExists(candidateDirectory, host);
- if (!directoryExists && traceEnabled) {
- trace(host, ts.Diagnostics.Directory_0_does_not_exist_skipping_all_lookups_in_it, candidateDirectory);
- }
- return resolvedTypeScriptOnly(loadNodeModuleFromDirectory(Extensions.DtsOnly, candidate, !directoryExists, moduleResolutionState));
- });
- }
- else {
- if (traceEnabled) {
- trace(host, ts.Diagnostics.Root_directory_cannot_be_determined_skipping_primary_search_paths);
- }
- }
- }
- function secondaryLookup() {
- var initialLocationForSecondaryLookup = containingFile && ts.getDirectoryPath(containingFile);
- if (initialLocationForSecondaryLookup !== undefined) {
- // check secondary locations
- if (traceEnabled) {
- trace(host, ts.Diagnostics.Looking_up_in_node_modules_folder_initial_location_0, initialLocationForSecondaryLookup);
- }
- var result = void 0;
- if (!ts.isExternalModuleNameRelative(typeReferenceDirectiveName)) {
- var searchResult = loadModuleFromNearestNodeModulesDirectory(Extensions.DtsOnly, typeReferenceDirectiveName, initialLocationForSecondaryLookup, moduleResolutionState, /*cache*/ undefined, /*redirectedReference*/ undefined);
- result = searchResult && searchResult.value;
- }
- else {
- var candidate = ts.normalizePathAndParts(ts.combinePaths(initialLocationForSecondaryLookup, typeReferenceDirectiveName)).path;
- result = nodeLoadModuleByRelativeName(Extensions.DtsOnly, candidate, /*onlyRecordFailures*/ false, moduleResolutionState, /*considerPackageJson*/ true);
- }
- var resolvedFile = resolvedTypeScriptOnly(result);
- if (!resolvedFile && traceEnabled) {
- trace(host, ts.Diagnostics.Type_reference_directive_0_was_not_resolved, typeReferenceDirectiveName);
- }
- return resolvedFile;
- }
- else {
- if (traceEnabled) {
- trace(host, ts.Diagnostics.Containing_file_is_not_specified_and_root_directory_cannot_be_determined_skipping_lookup_in_node_modules_folder);
- }
- }
- }
- }
- ts.resolveTypeReferenceDirective = resolveTypeReferenceDirective;
- /**
- * Given a set of options, returns the set of type directive names
- * that should be included for this program automatically.
- * This list could either come from the config file,
- * or from enumerating the types root + initial secondary types lookup location.
- * More type directives might appear in the program later as a result of loading actual source files;
- * this list is only the set of defaults that are implicitly included.
- */
- function getAutomaticTypeDirectiveNames(options, host) {
- // Use explicit type list from tsconfig.json
- if (options.types) {
- return options.types;
- }
- // Walk the primary type lookup locations
- var result = [];
- if (host.directoryExists && host.getDirectories) {
- var typeRoots = getEffectiveTypeRoots(options, host);
- if (typeRoots) {
- for (var _i = 0, typeRoots_1 = typeRoots; _i < typeRoots_1.length; _i++) {
- var root = typeRoots_1[_i];
- if (host.directoryExists(root)) {
- for (var _a = 0, _b = host.getDirectories(root); _a < _b.length; _a++) {
- var typeDirectivePath = _b[_a];
- var normalized = ts.normalizePath(typeDirectivePath);
- var packageJsonPath = ts.combinePaths(root, normalized, "package.json");
- // `types-publisher` sometimes creates packages with `"typings": null` for packages that don't provide their own types.
- // See `createNotNeededPackageJSON` in the types-publisher` repo.
- // eslint-disable-next-line no-null/no-null
- var isNotNeededPackage = host.fileExists(packageJsonPath) && ts.readJson(packageJsonPath, host).typings === null;
- if (!isNotNeededPackage) {
- var baseFileName = ts.getBaseFileName(normalized);
- // At this stage, skip results with leading dot.
- if (baseFileName.charCodeAt(0) !== 46 /* dot */) {
- // Return just the type directive names
- result.push(baseFileName);
- }
- }
- }
- }
- }
- }
- }
- return result;
- }
- ts.getAutomaticTypeDirectiveNames = getAutomaticTypeDirectiveNames;
- function createModuleResolutionCache(currentDirectory, getCanonicalFileName, options) {
- return createModuleResolutionCacheWithMaps(createCacheWithRedirects(options), createCacheWithRedirects(options), currentDirectory, getCanonicalFileName);
- }
- ts.createModuleResolutionCache = createModuleResolutionCache;
- /*@internal*/
- function createCacheWithRedirects(options) {
- var ownMap = ts.createMap();
- var redirectsMap = ts.createMap();
- return {
- ownMap: ownMap,
- redirectsMap: redirectsMap,
- getOrCreateMapOfCacheRedirects: getOrCreateMapOfCacheRedirects,
- clear: clear,
- setOwnOptions: setOwnOptions,
- setOwnMap: setOwnMap
- };
- function setOwnOptions(newOptions) {
- options = newOptions;
- }
- function setOwnMap(newOwnMap) {
- ownMap = newOwnMap;
- }
- function getOrCreateMapOfCacheRedirects(redirectedReference) {
- if (!redirectedReference) {
- return ownMap;
- }
- var path = redirectedReference.sourceFile.path;
- var redirects = redirectsMap.get(path);
- if (!redirects) {
- // Reuse map if redirected reference map uses same resolution
- redirects = !options || ts.optionsHaveModuleResolutionChanges(options, redirectedReference.commandLine.options) ? ts.createMap() : ownMap;
- redirectsMap.set(path, redirects);
- }
- return redirects;
- }
- function clear() {
- ownMap.clear();
- redirectsMap.clear();
- }
- }
- ts.createCacheWithRedirects = createCacheWithRedirects;
- /*@internal*/
- function createModuleResolutionCacheWithMaps(directoryToModuleNameMap, moduleNameToDirectoryMap, currentDirectory, getCanonicalFileName) {
- return { getOrCreateCacheForDirectory: getOrCreateCacheForDirectory, getOrCreateCacheForModuleName: getOrCreateCacheForModuleName, directoryToModuleNameMap: directoryToModuleNameMap, moduleNameToDirectoryMap: moduleNameToDirectoryMap };
- function getOrCreateCacheForDirectory(directoryName, redirectedReference) {
- var path = ts.toPath(directoryName, currentDirectory, getCanonicalFileName);
- return getOrCreateCache(directoryToModuleNameMap, redirectedReference, path, ts.createMap);
- }
- function getOrCreateCacheForModuleName(nonRelativeModuleName, redirectedReference) {
- ts.Debug.assert(!ts.isExternalModuleNameRelative(nonRelativeModuleName));
- return getOrCreateCache(moduleNameToDirectoryMap, redirectedReference, nonRelativeModuleName, createPerModuleNameCache);
- }
- function getOrCreateCache(cacheWithRedirects, redirectedReference, key, create) {
- var cache = cacheWithRedirects.getOrCreateMapOfCacheRedirects(redirectedReference);
- var result = cache.get(key);
- if (!result) {
- result = create();
- cache.set(key, result);
- }
- return result;
- }
- function createPerModuleNameCache() {
- var directoryPathMap = ts.createMap();
- return { get: get, set: set };
- function get(directory) {
- return directoryPathMap.get(ts.toPath(directory, currentDirectory, getCanonicalFileName));
- }
- /**
- * At first this function add entry directory -> module resolution result to the table.
- * Then it computes the set of parent folders for 'directory' that should have the same module resolution result
- * and for every parent folder in set it adds entry: parent -> module resolution. .
- * Lets say we first directory name: /a/b/c/d/e and resolution result is: /a/b/bar.ts.
- * Set of parent folders that should have the same result will be:
- * [
- * /a/b/c/d, /a/b/c, /a/b
- * ]
- * this means that request for module resolution from file in any of these folder will be immediately found in cache.
- */
- function set(directory, result) {
- var path = ts.toPath(directory, currentDirectory, getCanonicalFileName);
- // if entry is already in cache do nothing
- if (directoryPathMap.has(path)) {
- return;
- }
- directoryPathMap.set(path, result);
- var resolvedFileName = result.resolvedModule &&
- (result.resolvedModule.originalPath || result.resolvedModule.resolvedFileName);
- // find common prefix between directory and resolved file name
- // this common prefix should be the shortest path that has the same resolution
- // directory: /a/b/c/d/e
- // resolvedFileName: /a/b/foo.d.ts
- // commonPrefix: /a/b
- // for failed lookups cache the result for every directory up to root
- var commonPrefix = resolvedFileName && getCommonPrefix(path, resolvedFileName);
- var current = path;
- while (current !== commonPrefix) {
- var parent = ts.getDirectoryPath(current);
- if (parent === current || directoryPathMap.has(parent)) {
- break;
- }
- directoryPathMap.set(parent, result);
- current = parent;
- }
- }
- function getCommonPrefix(directory, resolution) {
- var resolutionDirectory = ts.toPath(ts.getDirectoryPath(resolution), currentDirectory, getCanonicalFileName);
- // find first position where directory and resolution differs
- var i = 0;
- var limit = Math.min(directory.length, resolutionDirectory.length);
- while (i < limit && directory.charCodeAt(i) === resolutionDirectory.charCodeAt(i)) {
- i++;
- }
- if (i === directory.length && (resolutionDirectory.length === i || resolutionDirectory[i] === ts.directorySeparator)) {
- return directory;
- }
- var rootLength = ts.getRootLength(directory);
- if (i < rootLength) {
- return undefined;
- }
- var sep = directory.lastIndexOf(ts.directorySeparator, i - 1);
- if (sep === -1) {
- return undefined;
- }
- return directory.substr(0, Math.max(sep, rootLength));
- }
- }
- }
- ts.createModuleResolutionCacheWithMaps = createModuleResolutionCacheWithMaps;
- function resolveModuleNameFromCache(moduleName, containingFile, cache) {
- var containingDirectory = ts.getDirectoryPath(containingFile);
- var perFolderCache = cache && cache.getOrCreateCacheForDirectory(containingDirectory);
- return perFolderCache && perFolderCache.get(moduleName);
- }
- ts.resolveModuleNameFromCache = resolveModuleNameFromCache;
- function resolveModuleName(moduleName, containingFile, compilerOptions, host, cache, redirectedReference) {
- var traceEnabled = isTraceEnabled(compilerOptions, host);
- if (redirectedReference) {
- compilerOptions = redirectedReference.commandLine.options;
- }
- if (traceEnabled) {
- trace(host, ts.Diagnostics.Resolving_module_0_from_1, moduleName, containingFile);
- if (redirectedReference) {
- trace(host, ts.Diagnostics.Using_compiler_options_of_project_reference_redirect_0, redirectedReference.sourceFile.fileName);
- }
- }
- var containingDirectory = ts.getDirectoryPath(containingFile);
- var perFolderCache = cache && cache.getOrCreateCacheForDirectory(containingDirectory, redirectedReference);
- var result = perFolderCache && perFolderCache.get(moduleName);
- if (result) {
- if (traceEnabled) {
- trace(host, ts.Diagnostics.Resolution_for_module_0_was_found_in_cache_from_location_1, moduleName, containingDirectory);
- }
- }
- else {
- var moduleResolution = compilerOptions.moduleResolution;
- if (moduleResolution === undefined) {
- moduleResolution = ts.getEmitModuleKind(compilerOptions) === ts.ModuleKind.CommonJS ? ts.ModuleResolutionKind.NodeJs : ts.ModuleResolutionKind.Classic;
- if (traceEnabled) {
- trace(host, ts.Diagnostics.Module_resolution_kind_is_not_specified_using_0, ts.ModuleResolutionKind[moduleResolution]);
- }
- }
- else {
- if (traceEnabled) {
- trace(host, ts.Diagnostics.Explicitly_specified_module_resolution_kind_Colon_0, ts.ModuleResolutionKind[moduleResolution]);
- }
- }
- ts.perfLogger.logStartResolveModule(moduleName /* , containingFile, ModuleResolutionKind[moduleResolution]*/);
- switch (moduleResolution) {
- case ts.ModuleResolutionKind.NodeJs:
- result = nodeModuleNameResolver(moduleName, containingFile, compilerOptions, host, cache, redirectedReference);
- break;
- case ts.ModuleResolutionKind.Classic:
- result = classicNameResolver(moduleName, containingFile, compilerOptions, host, cache, redirectedReference);
- break;
- default:
- return ts.Debug.fail("Unexpected moduleResolution: " + moduleResolution);
- }
- if (result && result.resolvedModule)
- ts.perfLogger.logInfoEvent("Module \"" + moduleName + "\" resolved to \"" + result.resolvedModule.resolvedFileName + "\"");
- ts.perfLogger.logStopResolveModule((result && result.resolvedModule) ? "" + result.resolvedModule.resolvedFileName : "null");
- if (perFolderCache) {
- perFolderCache.set(moduleName, result);
- if (!ts.isExternalModuleNameRelative(moduleName)) {
- // put result in per-module name cache
- cache.getOrCreateCacheForModuleName(moduleName, redirectedReference).set(containingDirectory, result);
- }
- }
- }
- if (traceEnabled) {
- if (result.resolvedModule) {
- if (result.resolvedModule.packageId) {
- trace(host, ts.Diagnostics.Module_name_0_was_successfully_resolved_to_1_with_Package_ID_2, moduleName, result.resolvedModule.resolvedFileName, ts.packageIdToString(result.resolvedModule.packageId));
- }
- else {
- trace(host, ts.Diagnostics.Module_name_0_was_successfully_resolved_to_1, moduleName, result.resolvedModule.resolvedFileName);
- }
- }
- else {
- trace(host, ts.Diagnostics.Module_name_0_was_not_resolved, moduleName);
- }
- }
- return result;
- }
- ts.resolveModuleName = resolveModuleName;
- /**
- * Any module resolution kind can be augmented with optional settings: 'baseUrl', 'paths' and 'rootDirs' - they are used to
- * mitigate differences between design time structure of the project and its runtime counterpart so the same import name
- * can be resolved successfully by TypeScript compiler and runtime module loader.
- * If these settings are set then loading procedure will try to use them to resolve module name and it can of failure it will
- * fallback to standard resolution routine.
- *
- * - baseUrl - this setting controls how non-relative module names are resolved. If this setting is specified then non-relative
- * names will be resolved relative to baseUrl: i.e. if baseUrl is '/a/b' then candidate location to resolve module name 'c/d' will
- * be '/a/b/c/d'
- * - paths - this setting can only be used when baseUrl is specified. allows to tune how non-relative module names
- * will be resolved based on the content of the module name.
- * Structure of 'paths' compiler options
- * 'paths': {
- * pattern-1: [...substitutions],
- * pattern-2: [...substitutions],
- * ...
- * pattern-n: [...substitutions]
- * }
- * Pattern here is a string that can contain zero or one '*' character. During module resolution module name will be matched against
- * all patterns in the list. Matching for patterns that don't contain '*' means that module name must be equal to pattern respecting the case.
- * If pattern contains '*' then to match pattern "<prefix>*<suffix>" module name must start with the <prefix> and end with <suffix>.
- * <MatchedStar> denotes part of the module name between <prefix> and <suffix>.
- * If module name can be matches with multiple patterns then pattern with the longest prefix will be picked.
- * After selecting pattern we'll use list of substitutions to get candidate locations of the module and the try to load module
- * from the candidate location.
- * Substitution is a string that can contain zero or one '*'. To get candidate location from substitution we'll pick every
- * substitution in the list and replace '*' with <MatchedStar> string. If candidate location is not rooted it
- * will be converted to absolute using baseUrl.
- * For example:
- * baseUrl: /a/b/c
- * "paths": {
- * // match all module names
- * "*": [
- * "*", // use matched name as is,
- * // <matched name> will be looked as /a/b/c/<matched name>
- *
- * "folder1/*" // substitution will convert matched name to 'folder1/<matched name>',
- * // since it is not rooted then final candidate location will be /a/b/c/folder1/<matched name>
- * ],
- * // match module names that start with 'components/'
- * "components/*": [ "/root/components/*" ] // substitution will convert /components/folder1/<matched name> to '/root/components/folder1/<matched name>',
- * // it is rooted so it will be final candidate location
- * }
- *
- * 'rootDirs' allows the project to be spreaded across multiple locations and resolve modules with relative names as if
- * they were in the same location. For example lets say there are two files
- * '/local/src/content/file1.ts'
- * '/shared/components/contracts/src/content/protocols/file2.ts'
- * After bundling content of '/shared/components/contracts/src' will be merged with '/local/src' so
- * if file1 has the following import 'import {x} from "./protocols/file2"' it will be resolved successfully in runtime.
- * 'rootDirs' provides the way to tell compiler that in order to get the whole project it should behave as if content of all
- * root dirs were merged together.
- * I.e. for the example above 'rootDirs' will have two entries: [ '/local/src', '/shared/components/contracts/src' ].
- * Compiler will first convert './protocols/file2' into absolute path relative to the location of containing file:
- * '/local/src/content/protocols/file2' and try to load it - failure.
- * Then it will search 'rootDirs' looking for a longest matching prefix of this absolute path and if such prefix is found - absolute path will
- * be converted to a path relative to found rootDir entry './content/protocols/file2' (*). As a last step compiler will check all remaining
- * entries in 'rootDirs', use them to build absolute path out of (*) and try to resolve module from this location.
- */
- function tryLoadModuleUsingOptionalResolutionSettings(extensions, moduleName, containingDirectory, loader, state) {
- var resolved = tryLoadModuleUsingPathsIfEligible(extensions, moduleName, loader, state);
- if (resolved)
- return resolved.value;
- if (!ts.isExternalModuleNameRelative(moduleName)) {
- return tryLoadModuleUsingBaseUrl(extensions, moduleName, loader, state);
- }
- else {
- return tryLoadModuleUsingRootDirs(extensions, moduleName, containingDirectory, loader, state);
- }
- }
- function tryLoadModuleUsingPathsIfEligible(extensions, moduleName, loader, state) {
- var _a = state.compilerOptions, baseUrl = _a.baseUrl, paths = _a.paths;
- if (baseUrl && paths && !ts.pathIsRelative(moduleName)) {
- if (state.traceEnabled) {
- trace(state.host, ts.Diagnostics.baseUrl_option_is_set_to_0_using_this_value_to_resolve_non_relative_module_name_1, baseUrl, moduleName);
- trace(state.host, ts.Diagnostics.paths_option_is_specified_looking_for_a_pattern_to_match_module_name_0, moduleName);
- }
- return tryLoadModuleUsingPaths(extensions, moduleName, baseUrl, paths, loader, /*onlyRecordFailures*/ false, state);
- }
- }
- function tryLoadModuleUsingRootDirs(extensions, moduleName, containingDirectory, loader, state) {
- if (!state.compilerOptions.rootDirs) {
- return undefined;
- }
- if (state.traceEnabled) {
- trace(state.host, ts.Diagnostics.rootDirs_option_is_set_using_it_to_resolve_relative_module_name_0, moduleName);
- }
- var candidate = ts.normalizePath(ts.combinePaths(containingDirectory, moduleName));
- var matchedRootDir;
- var matchedNormalizedPrefix;
- for (var _i = 0, _a = state.compilerOptions.rootDirs; _i < _a.length; _i++) {
- var rootDir = _a[_i];
- // rootDirs are expected to be absolute
- // in case of tsconfig.json this will happen automatically - compiler will expand relative names
- // using location of tsconfig.json as base location
- var normalizedRoot = ts.normalizePath(rootDir);
- if (!ts.endsWith(normalizedRoot, ts.directorySeparator)) {
- normalizedRoot += ts.directorySeparator;
- }
- var isLongestMatchingPrefix = ts.startsWith(candidate, normalizedRoot) &&
- (matchedNormalizedPrefix === undefined || matchedNormalizedPrefix.length < normalizedRoot.length);
- if (state.traceEnabled) {
- trace(state.host, ts.Diagnostics.Checking_if_0_is_the_longest_matching_prefix_for_1_2, normalizedRoot, candidate, isLongestMatchingPrefix);
- }
- if (isLongestMatchingPrefix) {
- matchedNormalizedPrefix = normalizedRoot;
- matchedRootDir = rootDir;
- }
- }
- if (matchedNormalizedPrefix) {
- if (state.traceEnabled) {
- trace(state.host, ts.Diagnostics.Longest_matching_prefix_for_0_is_1, candidate, matchedNormalizedPrefix);
- }
- var suffix = candidate.substr(matchedNormalizedPrefix.length);
- // first - try to load from a initial location
- if (state.traceEnabled) {
- trace(state.host, ts.Diagnostics.Loading_0_from_the_root_dir_1_candidate_location_2, suffix, matchedNormalizedPrefix, candidate);
- }
- var resolvedFileName = loader(extensions, candidate, !ts.directoryProbablyExists(containingDirectory, state.host), state);
- if (resolvedFileName) {
- return resolvedFileName;
- }
- if (state.traceEnabled) {
- trace(state.host, ts.Diagnostics.Trying_other_entries_in_rootDirs);
- }
- // then try to resolve using remaining entries in rootDirs
- for (var _b = 0, _c = state.compilerOptions.rootDirs; _b < _c.length; _b++) {
- var rootDir = _c[_b];
- if (rootDir === matchedRootDir) {
- // skip the initially matched entry
- continue;
- }
- var candidate_1 = ts.combinePaths(ts.normalizePath(rootDir), suffix);
- if (state.traceEnabled) {
- trace(state.host, ts.Diagnostics.Loading_0_from_the_root_dir_1_candidate_location_2, suffix, rootDir, candidate_1);
- }
- var baseDirectory = ts.getDirectoryPath(candidate_1);
- var resolvedFileName_1 = loader(extensions, candidate_1, !ts.directoryProbablyExists(baseDirectory, state.host), state);
- if (resolvedFileName_1) {
- return resolvedFileName_1;
- }
- }
- if (state.traceEnabled) {
- trace(state.host, ts.Diagnostics.Module_resolution_using_rootDirs_has_failed);
- }
- }
- return undefined;
- }
- function tryLoadModuleUsingBaseUrl(extensions, moduleName, loader, state) {
- var baseUrl = state.compilerOptions.baseUrl;
- if (!baseUrl) {
- return undefined;
- }
- if (state.traceEnabled) {
- trace(state.host, ts.Diagnostics.baseUrl_option_is_set_to_0_using_this_value_to_resolve_non_relative_module_name_1, baseUrl, moduleName);
- }
- var candidate = ts.normalizePath(ts.combinePaths(baseUrl, moduleName));
- if (state.traceEnabled) {
- trace(state.host, ts.Diagnostics.Resolving_module_name_0_relative_to_base_url_1_2, moduleName, baseUrl, candidate);
- }
- return loader(extensions, candidate, !ts.directoryProbablyExists(ts.getDirectoryPath(candidate), state.host), state);
- }
- /**
- * Expose resolution logic to allow us to use Node module resolution logic from arbitrary locations.
- * No way to do this with `require()`: https://github.com/nodejs/node/issues/5963
- * Throws an error if the module can't be resolved.
- */
- /* @internal */
- function resolveJSModule(moduleName, initialDir, host) {
- var _a = tryResolveJSModuleWorker(moduleName, initialDir, host), resolvedModule = _a.resolvedModule, failedLookupLocations = _a.failedLookupLocations;
- if (!resolvedModule) {
- throw new Error("Could not resolve JS module '" + moduleName + "' starting at '" + initialDir + "'. Looked in: " + failedLookupLocations.join(", "));
- }
- return resolvedModule.resolvedFileName;
- }
- ts.resolveJSModule = resolveJSModule;
- /* @internal */
- function tryResolveJSModule(moduleName, initialDir, host) {
- var resolvedModule = tryResolveJSModuleWorker(moduleName, initialDir, host).resolvedModule;
- return resolvedModule && resolvedModule.resolvedFileName;
- }
- ts.tryResolveJSModule = tryResolveJSModule;
- var jsOnlyExtensions = [Extensions.JavaScript];
- var tsExtensions = [Extensions.TypeScript, Extensions.JavaScript];
- var tsPlusJsonExtensions = __spreadArrays(tsExtensions, [Extensions.Json]);
- var tsconfigExtensions = [Extensions.TSConfig];
- function tryResolveJSModuleWorker(moduleName, initialDir, host) {
- return nodeModuleNameResolverWorker(moduleName, initialDir, { moduleResolution: ts.ModuleResolutionKind.NodeJs, allowJs: true }, host, /*cache*/ undefined, jsOnlyExtensions, /*redirectedReferences*/ undefined);
- }
- function nodeModuleNameResolver(moduleName, containingFile, compilerOptions, host, cache, redirectedReference, lookupConfig) {
- return nodeModuleNameResolverWorker(moduleName, ts.getDirectoryPath(containingFile), compilerOptions, host, cache, lookupConfig ? tsconfigExtensions : (compilerOptions.resolveJsonModule ? tsPlusJsonExtensions : tsExtensions), redirectedReference);
- }
- ts.nodeModuleNameResolver = nodeModuleNameResolver;
- function nodeModuleNameResolverWorker(moduleName, containingDirectory, compilerOptions, host, cache, extensions, redirectedReference) {
- var _a, _b;
- var traceEnabled = isTraceEnabled(compilerOptions, host);
- var failedLookupLocations = [];
- var state = { compilerOptions: compilerOptions, host: host, traceEnabled: traceEnabled, failedLookupLocations: failedLookupLocations };
- var result = ts.forEach(extensions, function (ext) { return tryResolve(ext); });
- return createResolvedModuleWithFailedLookupLocations((_a = result === null || result === void 0 ? void 0 : result.value) === null || _a === void 0 ? void 0 : _a.resolved, (_b = result === null || result === void 0 ? void 0 : result.value) === null || _b === void 0 ? void 0 : _b.isExternalLibraryImport, failedLookupLocations, state.resultFromCache);
- function tryResolve(extensions) {
- var loader = function (extensions, candidate, onlyRecordFailures, state) { return nodeLoadModuleByRelativeName(extensions, candidate, onlyRecordFailures, state, /*considerPackageJson*/ true); };
- var resolved = tryLoadModuleUsingOptionalResolutionSettings(extensions, moduleName, containingDirectory, loader, state);
- if (resolved) {
- return toSearchResult({ resolved: resolved, isExternalLibraryImport: pathContainsNodeModules(resolved.path) });
- }
- if (!ts.isExternalModuleNameRelative(moduleName)) {
- if (traceEnabled) {
- trace(host, ts.Diagnostics.Loading_module_0_from_node_modules_folder_target_file_type_1, moduleName, Extensions[extensions]);
- }
- var resolved_1 = loadModuleFromNearestNodeModulesDirectory(extensions, moduleName, containingDirectory, state, cache, redirectedReference);
- if (!resolved_1)
- return undefined;
- var resolvedValue = resolved_1.value;
- if (!compilerOptions.preserveSymlinks && resolvedValue && !resolvedValue.originalPath) {
- var path = realPath(resolvedValue.path, host, traceEnabled);
- var originalPath = path === resolvedValue.path ? undefined : resolvedValue.path;
- resolvedValue = __assign(__assign({}, resolvedValue), { path: path, originalPath: originalPath });
- }
- // For node_modules lookups, get the real path so that multiple accesses to an `npm link`-ed module do not create duplicate files.
- return { value: resolvedValue && { resolved: resolvedValue, isExternalLibraryImport: true } };
- }
- else {
- var _a = ts.normalizePathAndParts(ts.combinePaths(containingDirectory, moduleName)), candidate = _a.path, parts = _a.parts;
- var resolved_2 = nodeLoadModuleByRelativeName(extensions, candidate, /*onlyRecordFailures*/ false, state, /*considerPackageJson*/ true);
- // Treat explicit "node_modules" import as an external library import.
- return resolved_2 && toSearchResult({ resolved: resolved_2, isExternalLibraryImport: ts.contains(parts, "node_modules") });
- }
- }
- }
- function realPath(path, host, traceEnabled) {
- if (!host.realpath) {
- return path;
- }
- var real = ts.normalizePath(host.realpath(path));
- if (traceEnabled) {
- trace(host, ts.Diagnostics.Resolving_real_path_for_0_result_1, path, real);
- }
- ts.Debug.assert(host.fileExists(real), path + " linked to nonexistent file " + real);
- return real;
- }
- function nodeLoadModuleByRelativeName(extensions, candidate, onlyRecordFailures, state, considerPackageJson) {
- if (state.traceEnabled) {
- trace(state.host, ts.Diagnostics.Loading_module_as_file_Slash_folder_candidate_module_location_0_target_file_type_1, candidate, Extensions[extensions]);
- }
- if (!ts.hasTrailingDirectorySeparator(candidate)) {
- if (!onlyRecordFailures) {
- var parentOfCandidate = ts.getDirectoryPath(candidate);
- if (!ts.directoryProbablyExists(parentOfCandidate, state.host)) {
- if (state.traceEnabled) {
- trace(state.host, ts.Diagnostics.Directory_0_does_not_exist_skipping_all_lookups_in_it, parentOfCandidate);
- }
- onlyRecordFailures = true;
- }
- }
- var resolvedFromFile = loadModuleFromFile(extensions, candidate, onlyRecordFailures, state);
- if (resolvedFromFile) {
- var packageDirectory = considerPackageJson ? parseNodeModuleFromPath(resolvedFromFile) : undefined;
- var packageInfo = packageDirectory ? getPackageJsonInfo(packageDirectory, /*onlyRecordFailures*/ false, state) : undefined;
- return withPackageId(packageInfo, resolvedFromFile);
- }
- }
- if (!onlyRecordFailures) {
- var candidateExists = ts.directoryProbablyExists(candidate, state.host);
- if (!candidateExists) {
- if (state.traceEnabled) {
- trace(state.host, ts.Diagnostics.Directory_0_does_not_exist_skipping_all_lookups_in_it, candidate);
- }
- onlyRecordFailures = true;
- }
- }
- return loadNodeModuleFromDirectory(extensions, candidate, onlyRecordFailures, state, considerPackageJson);
- }
- /*@internal*/
- ts.nodeModulesPathPart = "/node_modules/";
- /*@internal*/
- function pathContainsNodeModules(path) {
- return ts.stringContains(path, ts.nodeModulesPathPart);
- }
- ts.pathContainsNodeModules = pathContainsNodeModules;
- /**
- * This will be called on the successfully resolved path from `loadModuleFromFile`.
- * (Not neeeded for `loadModuleFromNodeModules` as that looks up the `package.json` as part of resolution.)
- *
- * packageDirectory is the directory of the package itself.
- * For `blah/node_modules/foo/index.d.ts` this is packageDirectory: "foo"
- * For `/node_modules/foo/bar.d.ts` this is packageDirectory: "foo"
- * For `/node_modules/@types/foo/bar/index.d.ts` this is packageDirectory: "@types/foo"
- * For `/node_modules/foo/bar/index.d.ts` this is packageDirectory: "foo"
- */
- function parseNodeModuleFromPath(resolved) {
- var path = ts.normalizePath(resolved.path);
- var idx = path.lastIndexOf(ts.nodeModulesPathPart);
- if (idx === -1) {
- return undefined;
- }
- var indexAfterNodeModules = idx + ts.nodeModulesPathPart.length;
- var indexAfterPackageName = moveToNextDirectorySeparatorIfAvailable(path, indexAfterNodeModules);
- if (path.charCodeAt(indexAfterNodeModules) === 64 /* at */) {
- indexAfterPackageName = moveToNextDirectorySeparatorIfAvailable(path, indexAfterPackageName);
- }
- return path.slice(0, indexAfterPackageName);
- }
- function moveToNextDirectorySeparatorIfAvailable(path, prevSeparatorIndex) {
- var nextSeparatorIndex = path.indexOf(ts.directorySeparator, prevSeparatorIndex + 1);
- return nextSeparatorIndex === -1 ? prevSeparatorIndex : nextSeparatorIndex;
- }
- function loadModuleFromFileNoPackageId(extensions, candidate, onlyRecordFailures, state) {
- return noPackageId(loadModuleFromFile(extensions, candidate, onlyRecordFailures, state));
- }
- /**
- * @param {boolean} onlyRecordFailures - if true then function won't try to actually load files but instead record all attempts as failures. This flag is necessary
- * in cases when we know upfront that all load attempts will fail (because containing folder does not exists) however we still need to record all failed lookup locations.
- */
- function loadModuleFromFile(extensions, candidate, onlyRecordFailures, state) {
- if (extensions === Extensions.Json || extensions === Extensions.TSConfig) {
- var extensionLess = ts.tryRemoveExtension(candidate, ".json" /* Json */);
- return (extensionLess === undefined && extensions === Extensions.Json) ? undefined : tryAddingExtensions(extensionLess || candidate, extensions, onlyRecordFailures, state);
- }
- // First, try adding an extension. An import of "foo" could be matched by a file "foo.ts", or "foo.js" by "foo.js.ts"
- var resolvedByAddingExtension = tryAddingExtensions(candidate, extensions, onlyRecordFailures, state);
- if (resolvedByAddingExtension) {
- return resolvedByAddingExtension;
- }
- // If that didn't work, try stripping a ".js" or ".jsx" extension and replacing it with a TypeScript one;
- // e.g. "./foo.js" can be matched by "./foo.ts" or "./foo.d.ts"
- if (ts.hasJSFileExtension(candidate)) {
- var extensionless = ts.removeFileExtension(candidate);
- if (state.traceEnabled) {
- var extension = candidate.substring(extensionless.length);
- trace(state.host, ts.Diagnostics.File_name_0_has_a_1_extension_stripping_it, candidate, extension);
- }
- return tryAddingExtensions(extensionless, extensions, onlyRecordFailures, state);
- }
- }
- /** Try to return an existing file that adds one of the `extensions` to `candidate`. */
- function tryAddingExtensions(candidate, extensions, onlyRecordFailures, state) {
- if (!onlyRecordFailures) {
- // check if containing folder exists - if it doesn't then just record failures for all supported extensions without disk probing
- var directory = ts.getDirectoryPath(candidate);
- if (directory) {
- onlyRecordFailures = !ts.directoryProbablyExists(directory, state.host);
- }
- }
- switch (extensions) {
- case Extensions.DtsOnly:
- return tryExtension(".d.ts" /* Dts */);
- case Extensions.TypeScript:
- return tryExtension(".ts" /* Ts */) || tryExtension(".tsx" /* Tsx */) || tryExtension(".d.ts" /* Dts */);
- case Extensions.JavaScript:
- return tryExtension(".js" /* Js */) || tryExtension(".jsx" /* Jsx */);
- case Extensions.TSConfig:
- case Extensions.Json:
- return tryExtension(".json" /* Json */);
- }
- function tryExtension(ext) {
- var path = tryFile(candidate + ext, onlyRecordFailures, state);
- return path === undefined ? undefined : { path: path, ext: ext };
- }
- }
- /** Return the file if it exists. */
- function tryFile(fileName, onlyRecordFailures, state) {
- if (!onlyRecordFailures) {
- if (state.host.fileExists(fileName)) {
- if (state.traceEnabled) {
- trace(state.host, ts.Diagnostics.File_0_exist_use_it_as_a_name_resolution_result, fileName);
- }
- return fileName;
- }
- else {
- if (state.traceEnabled) {
- trace(state.host, ts.Diagnostics.File_0_does_not_exist, fileName);
- }
- }
- }
- state.failedLookupLocations.push(fileName);
- return undefined;
- }
- function loadNodeModuleFromDirectory(extensions, candidate, onlyRecordFailures, state, considerPackageJson) {
- if (considerPackageJson === void 0) { considerPackageJson = true; }
- var packageInfo = considerPackageJson ? getPackageJsonInfo(candidate, onlyRecordFailures, state) : undefined;
- var packageJsonContent = packageInfo && packageInfo.packageJsonContent;
- var versionPaths = packageInfo && packageInfo.versionPaths;
- return withPackageId(packageInfo, loadNodeModuleFromDirectoryWorker(extensions, candidate, onlyRecordFailures, state, packageJsonContent, versionPaths));
- }
- function getPackageJsonInfo(packageDirectory, onlyRecordFailures, state) {
- var host = state.host, traceEnabled = state.traceEnabled;
- var directoryExists = !onlyRecordFailures && ts.directoryProbablyExists(packageDirectory, host);
- var packageJsonPath = ts.combinePaths(packageDirectory, "package.json");
- if (directoryExists && host.fileExists(packageJsonPath)) {
- var packageJsonContent = ts.readJson(packageJsonPath, host);
- if (traceEnabled) {
- trace(host, ts.Diagnostics.Found_package_json_at_0, packageJsonPath);
- }
- var versionPaths = readPackageJsonTypesVersionPaths(packageJsonContent, state);
- return { packageDirectory: packageDirectory, packageJsonContent: packageJsonContent, versionPaths: versionPaths };
- }
- else {
- if (directoryExists && traceEnabled) {
- trace(host, ts.Diagnostics.File_0_does_not_exist, packageJsonPath);
- }
- // record package json as one of failed lookup locations - in the future if this file will appear it will invalidate resolution results
- state.failedLookupLocations.push(packageJsonPath);
- }
- }
- function loadNodeModuleFromDirectoryWorker(extensions, candidate, onlyRecordFailures, state, jsonContent, versionPaths) {
- var packageFile;
- if (jsonContent) {
- switch (extensions) {
- case Extensions.JavaScript:
- case Extensions.Json:
- packageFile = readPackageJsonMainField(jsonContent, candidate, state);
- break;
- case Extensions.TypeScript:
- // When resolving typescript modules, try resolving using main field as well
- packageFile = readPackageJsonTypesFields(jsonContent, candidate, state) || readPackageJsonMainField(jsonContent, candidate, state);
- break;
- case Extensions.DtsOnly:
- packageFile = readPackageJsonTypesFields(jsonContent, candidate, state);
- break;
- case Extensions.TSConfig:
- packageFile = readPackageJsonTSConfigField(jsonContent, candidate, state);
- break;
- default:
- return ts.Debug.assertNever(extensions);
- }
- }
- var loader = function (extensions, candidate, onlyRecordFailures, state) {
- var fromFile = tryFile(candidate, onlyRecordFailures, state);
- if (fromFile) {
- var resolved = resolvedIfExtensionMatches(extensions, fromFile);
- if (resolved) {
- return noPackageId(resolved);
- }
- if (state.traceEnabled) {
- trace(state.host, ts.Diagnostics.File_0_has_an_unsupported_extension_so_skipping_it, fromFile);
- }
- }
- // Even if extensions is DtsOnly, we can still look up a .ts file as a result of package.json "types"
- var nextExtensions = extensions === Extensions.DtsOnly ? Extensions.TypeScript : extensions;
- // Don't do package.json lookup recursively, because Node.js' package lookup doesn't.
- return nodeLoadModuleByRelativeName(nextExtensions, candidate, onlyRecordFailures, state, /*considerPackageJson*/ false);
- };
- var onlyRecordFailuresForPackageFile = packageFile ? !ts.directoryProbablyExists(ts.getDirectoryPath(packageFile), state.host) : undefined;
- var onlyRecordFailuresForIndex = onlyRecordFailures || !ts.directoryProbablyExists(candidate, state.host);
- var indexPath = ts.combinePaths(candidate, extensions === Extensions.TSConfig ? "tsconfig" : "index");
- if (versionPaths && (!packageFile || ts.containsPath(candidate, packageFile))) {
- var moduleName = ts.getRelativePathFromDirectory(candidate, packageFile || indexPath, /*ignoreCase*/ false);
- if (state.traceEnabled) {
- trace(state.host, ts.Diagnostics.package_json_has_a_typesVersions_entry_0_that_matches_compiler_version_1_looking_for_a_pattern_to_match_module_name_2, versionPaths.version, ts.version, moduleName);
- }
- var result = tryLoadModuleUsingPaths(extensions, moduleName, candidate, versionPaths.paths, loader, onlyRecordFailuresForPackageFile || onlyRecordFailuresForIndex, state);
- if (result) {
- return removeIgnoredPackageId(result.value);
- }
- }
- // It won't have a `packageId` set, because we disabled `considerPackageJson`.
- var packageFileResult = packageFile && removeIgnoredPackageId(loader(extensions, packageFile, onlyRecordFailuresForPackageFile, state));
- if (packageFileResult)
- return packageFileResult;
- return loadModuleFromFile(extensions, indexPath, onlyRecordFailuresForIndex, state);
- }
- /** Resolve from an arbitrarily specified file. Return `undefined` if it has an unsupported extension. */
- function resolvedIfExtensionMatches(extensions, path) {
- var ext = ts.tryGetExtensionFromPath(path);
- return ext !== undefined && extensionIsOk(extensions, ext) ? { path: path, ext: ext } : undefined;
- }
- /** True if `extension` is one of the supported `extensions`. */
- function extensionIsOk(extensions, extension) {
- switch (extensions) {
- case Extensions.JavaScript:
- return extension === ".js" /* Js */ || extension === ".jsx" /* Jsx */;
- case Extensions.TSConfig:
- case Extensions.Json:
- return extension === ".json" /* Json */;
- case Extensions.TypeScript:
- return extension === ".ts" /* Ts */ || extension === ".tsx" /* Tsx */ || extension === ".d.ts" /* Dts */;
- case Extensions.DtsOnly:
- return extension === ".d.ts" /* Dts */;
- }
- }
- /* @internal */
- function parsePackageName(moduleName) {
- var idx = moduleName.indexOf(ts.directorySeparator);
- if (moduleName[0] === "@") {
- idx = moduleName.indexOf(ts.directorySeparator, idx + 1);
- }
- return idx === -1 ? { packageName: moduleName, rest: "" } : { packageName: moduleName.slice(0, idx), rest: moduleName.slice(idx + 1) };
- }
- ts.parsePackageName = parsePackageName;
- function loadModuleFromNearestNodeModulesDirectory(extensions, moduleName, directory, state, cache, redirectedReference) {
- return loadModuleFromNearestNodeModulesDirectoryWorker(extensions, moduleName, directory, state, /*typesScopeOnly*/ false, cache, redirectedReference);
- }
- function loadModuleFromNearestNodeModulesDirectoryTypesScope(moduleName, directory, state) {
- // Extensions parameter here doesn't actually matter, because typesOnly ensures we're just doing @types lookup, which is always DtsOnly.
- return loadModuleFromNearestNodeModulesDirectoryWorker(Extensions.DtsOnly, moduleName, directory, state, /*typesScopeOnly*/ true, /*cache*/ undefined, /*redirectedReference*/ undefined);
- }
- function loadModuleFromNearestNodeModulesDirectoryWorker(extensions, moduleName, directory, state, typesScopeOnly, cache, redirectedReference) {
- var perModuleNameCache = cache && cache.getOrCreateCacheForModuleName(moduleName, redirectedReference);
- return ts.forEachAncestorDirectory(ts.normalizeSlashes(directory), function (ancestorDirectory) {
- if (ts.getBaseFileName(ancestorDirectory) !== "node_modules") {
- var resolutionFromCache = tryFindNonRelativeModuleNameInCache(perModuleNameCache, moduleName, ancestorDirectory, state);
- if (resolutionFromCache) {
- return resolutionFromCache;
- }
- return toSearchResult(loadModuleFromImmediateNodeModulesDirectory(extensions, moduleName, ancestorDirectory, state, typesScopeOnly));
- }
- });
- }
- function loadModuleFromImmediateNodeModulesDirectory(extensions, moduleName, directory, state, typesScopeOnly) {
- var nodeModulesFolder = ts.combinePaths(directory, "node_modules");
- var nodeModulesFolderExists = ts.directoryProbablyExists(nodeModulesFolder, state.host);
- if (!nodeModulesFolderExists && state.traceEnabled) {
- trace(state.host, ts.Diagnostics.Directory_0_does_not_exist_skipping_all_lookups_in_it, nodeModulesFolder);
- }
- var packageResult = typesScopeOnly ? undefined : loadModuleFromSpecificNodeModulesDirectory(extensions, moduleName, nodeModulesFolder, nodeModulesFolderExists, state);
- if (packageResult) {
- return packageResult;
- }
- if (extensions === Extensions.TypeScript || extensions === Extensions.DtsOnly) {
- var nodeModulesAtTypes_1 = ts.combinePaths(nodeModulesFolder, "@types");
- var nodeModulesAtTypesExists = nodeModulesFolderExists;
- if (nodeModulesFolderExists && !ts.directoryProbablyExists(nodeModulesAtTypes_1, state.host)) {
- if (state.traceEnabled) {
- trace(state.host, ts.Diagnostics.Directory_0_does_not_exist_skipping_all_lookups_in_it, nodeModulesAtTypes_1);
- }
- nodeModulesAtTypesExists = false;
- }
- return loadModuleFromSpecificNodeModulesDirectory(Extensions.DtsOnly, mangleScopedPackageNameWithTrace(moduleName, state), nodeModulesAtTypes_1, nodeModulesAtTypesExists, state);
- }
- }
- function loadModuleFromSpecificNodeModulesDirectory(extensions, moduleName, nodeModulesDirectory, nodeModulesDirectoryExists, state) {
- var candidate = ts.normalizePath(ts.combinePaths(nodeModulesDirectory, moduleName));
- // First look for a nested package.json, as in `node_modules/foo/bar/package.json`.
- var packageInfo = getPackageJsonInfo(candidate, !nodeModulesDirectoryExists, state);
- if (packageInfo) {
- var fromFile = loadModuleFromFile(extensions, candidate, !nodeModulesDirectoryExists, state);
- if (fromFile) {
- return noPackageId(fromFile);
- }
- var fromDirectory = loadNodeModuleFromDirectoryWorker(extensions, candidate, !nodeModulesDirectoryExists, state, packageInfo.packageJsonContent, packageInfo.versionPaths);
- return withPackageId(packageInfo, fromDirectory);
- }
- var loader = function (extensions, candidate, onlyRecordFailures, state) {
- var pathAndExtension = loadModuleFromFile(extensions, candidate, onlyRecordFailures, state) ||
- loadNodeModuleFromDirectoryWorker(extensions, candidate, onlyRecordFailures, state, packageInfo && packageInfo.packageJsonContent, packageInfo && packageInfo.versionPaths);
- return withPackageId(packageInfo, pathAndExtension);
- };
- var _a = parsePackageName(moduleName), packageName = _a.packageName, rest = _a.rest;
- if (rest !== "") { // If "rest" is empty, we just did this search above.
- var packageDirectory = ts.combinePaths(nodeModulesDirectory, packageName);
- // Don't use a "types" or "main" from here because we're not loading the root, but a subdirectory -- just here for the packageId and path mappings.
- packageInfo = getPackageJsonInfo(packageDirectory, !nodeModulesDirectoryExists, state);
- if (packageInfo && packageInfo.versionPaths) {
- if (state.traceEnabled) {
- trace(state.host, ts.Diagnostics.package_json_has_a_typesVersions_entry_0_that_matches_compiler_version_1_looking_for_a_pattern_to_match_module_name_2, packageInfo.versionPaths.version, ts.version, rest);
- }
- var packageDirectoryExists = nodeModulesDirectoryExists && ts.directoryProbablyExists(packageDirectory, state.host);
- var fromPaths = tryLoadModuleUsingPaths(extensions, rest, packageDirectory, packageInfo.versionPaths.paths, loader, !packageDirectoryExists, state);
- if (fromPaths) {
- return fromPaths.value;
- }
- }
- }
- return loader(extensions, candidate, !nodeModulesDirectoryExists, state);
- }
- function tryLoadModuleUsingPaths(extensions, moduleName, baseDirectory, paths, loader, onlyRecordFailures, state) {
- var matchedPattern = ts.matchPatternOrExact(ts.getOwnKeys(paths), moduleName);
- if (matchedPattern) {
- var matchedStar_1 = ts.isString(matchedPattern) ? undefined : ts.matchedText(matchedPattern, moduleName);
- var matchedPatternText = ts.isString(matchedPattern) ? matchedPattern : ts.patternText(matchedPattern);
- if (state.traceEnabled) {
- trace(state.host, ts.Diagnostics.Module_name_0_matched_pattern_1, moduleName, matchedPatternText);
- }
- var resolved = ts.forEach(paths[matchedPatternText], function (subst) {
- var path = matchedStar_1 ? subst.replace("*", matchedStar_1) : subst;
- var candidate = ts.normalizePath(ts.combinePaths(baseDirectory, path));
- if (state.traceEnabled) {
- trace(state.host, ts.Diagnostics.Trying_substitution_0_candidate_module_location_Colon_1, subst, path);
- }
- // A path mapping may have an extension, in contrast to an import, which should omit it.
- var extension = ts.tryGetExtensionFromPath(candidate);
- if (extension !== undefined) {
- var path_1 = tryFile(candidate, onlyRecordFailures, state);
- if (path_1 !== undefined) {
- return noPackageId({ path: path_1, ext: extension });
- }
- }
- return loader(extensions, candidate, onlyRecordFailures || !ts.directoryProbablyExists(ts.getDirectoryPath(candidate), state.host), state);
- });
- return { value: resolved };
- }
- }
- /** Double underscores are used in DefinitelyTyped to delimit scoped packages. */
- var mangledScopedPackageSeparator = "__";
- /** For a scoped package, we must look in `@types/foo__bar` instead of `@types/@foo/bar`. */
- function mangleScopedPackageNameWithTrace(packageName, state) {
- var mangled = mangleScopedPackageName(packageName);
- if (state.traceEnabled && mangled !== packageName) {
- trace(state.host, ts.Diagnostics.Scoped_package_detected_looking_in_0, mangled);
- }
- return mangled;
- }
- /* @internal */
- function getTypesPackageName(packageName) {
- return "@types/" + mangleScopedPackageName(packageName);
- }
- ts.getTypesPackageName = getTypesPackageName;
- /* @internal */
- function mangleScopedPackageName(packageName) {
- if (ts.startsWith(packageName, "@")) {
- var replaceSlash = packageName.replace(ts.directorySeparator, mangledScopedPackageSeparator);
- if (replaceSlash !== packageName) {
- return replaceSlash.slice(1); // Take off the "@"
- }
- }
- return packageName;
- }
- ts.mangleScopedPackageName = mangleScopedPackageName;
- /* @internal */
- function getPackageNameFromTypesPackageName(mangledName) {
- var withoutAtTypePrefix = ts.removePrefix(mangledName, "@types/");
- if (withoutAtTypePrefix !== mangledName) {
- return unmangleScopedPackageName(withoutAtTypePrefix);
- }
- return mangledName;
- }
- ts.getPackageNameFromTypesPackageName = getPackageNameFromTypesPackageName;
- /* @internal */
- function unmangleScopedPackageName(typesPackageName) {
- return ts.stringContains(typesPackageName, mangledScopedPackageSeparator) ?
- "@" + typesPackageName.replace(mangledScopedPackageSeparator, ts.directorySeparator) :
- typesPackageName;
- }
- ts.unmangleScopedPackageName = unmangleScopedPackageName;
- function tryFindNonRelativeModuleNameInCache(cache, moduleName, containingDirectory, state) {
- var result = cache && cache.get(containingDirectory);
- if (result) {
- if (state.traceEnabled) {
- trace(state.host, ts.Diagnostics.Resolution_for_module_0_was_found_in_cache_from_location_1, moduleName, containingDirectory);
- }
- state.resultFromCache = result;
- return { value: result.resolvedModule && { path: result.resolvedModule.resolvedFileName, originalPath: result.resolvedModule.originalPath || true, extension: result.resolvedModule.extension, packageId: result.resolvedModule.packageId } };
- }
- }
- function classicNameResolver(moduleName, containingFile, compilerOptions, host, cache, redirectedReference) {
- var traceEnabled = isTraceEnabled(compilerOptions, host);
- var failedLookupLocations = [];
- var state = { compilerOptions: compilerOptions, host: host, traceEnabled: traceEnabled, failedLookupLocations: failedLookupLocations };
- var containingDirectory = ts.getDirectoryPath(containingFile);
- var resolved = tryResolve(Extensions.TypeScript) || tryResolve(Extensions.JavaScript);
- // No originalPath because classic resolution doesn't resolve realPath
- return createResolvedModuleWithFailedLookupLocations(resolved && resolved.value, /*isExternalLibraryImport*/ false, failedLookupLocations, state.resultFromCache);
- function tryResolve(extensions) {
- var resolvedUsingSettings = tryLoadModuleUsingOptionalResolutionSettings(extensions, moduleName, containingDirectory, loadModuleFromFileNoPackageId, state);
- if (resolvedUsingSettings) {
- return { value: resolvedUsingSettings };
- }
- if (!ts.isExternalModuleNameRelative(moduleName)) {
- var perModuleNameCache_1 = cache && cache.getOrCreateCacheForModuleName(moduleName, redirectedReference);
- // Climb up parent directories looking for a module.
- var resolved_3 = ts.forEachAncestorDirectory(containingDirectory, function (directory) {
- var resolutionFromCache = tryFindNonRelativeModuleNameInCache(perModuleNameCache_1, moduleName, directory, state);
- if (resolutionFromCache) {
- return resolutionFromCache;
- }
- var searchName = ts.normalizePath(ts.combinePaths(directory, moduleName));
- return toSearchResult(loadModuleFromFileNoPackageId(extensions, searchName, /*onlyRecordFailures*/ false, state));
- });
- if (resolved_3) {
- return resolved_3;
- }
- if (extensions === Extensions.TypeScript) {
- // If we didn't find the file normally, look it up in @types.
- return loadModuleFromNearestNodeModulesDirectoryTypesScope(moduleName, containingDirectory, state);
- }
- }
- else {
- var candidate = ts.normalizePath(ts.combinePaths(containingDirectory, moduleName));
- return toSearchResult(loadModuleFromFileNoPackageId(extensions, candidate, /*onlyRecordFailures*/ false, state));
- }
- }
- }
- ts.classicNameResolver = classicNameResolver;
- /**
- * A host may load a module from a global cache of typings.
- * This is the minumum code needed to expose that functionality; the rest is in the host.
- */
- /* @internal */
- function loadModuleFromGlobalCache(moduleName, projectName, compilerOptions, host, globalCache) {
- var traceEnabled = isTraceEnabled(compilerOptions, host);
- if (traceEnabled) {
- trace(host, ts.Diagnostics.Auto_discovery_for_typings_is_enabled_in_project_0_Running_extra_resolution_pass_for_module_1_using_cache_location_2, projectName, moduleName, globalCache);
- }
- var failedLookupLocations = [];
- var state = { compilerOptions: compilerOptions, host: host, traceEnabled: traceEnabled, failedLookupLocations: failedLookupLocations };
- var resolved = loadModuleFromImmediateNodeModulesDirectory(Extensions.DtsOnly, moduleName, globalCache, state, /*typesScopeOnly*/ false);
- return createResolvedModuleWithFailedLookupLocations(resolved, /*isExternalLibraryImport*/ true, failedLookupLocations, state.resultFromCache);
- }
- ts.loadModuleFromGlobalCache = loadModuleFromGlobalCache;
- /**
- * Wraps value to SearchResult.
- * @returns undefined if value is undefined or { value } otherwise
- */
- function toSearchResult(value) {
- return value !== undefined ? { value: value } : undefined;
- }
-})(ts || (ts = {}));
-/* @internal */
-var ts;
-(function (ts) {
- var ModuleInstanceState;
- (function (ModuleInstanceState) {
- ModuleInstanceState[ModuleInstanceState["NonInstantiated"] = 0] = "NonInstantiated";
- ModuleInstanceState[ModuleInstanceState["Instantiated"] = 1] = "Instantiated";
- ModuleInstanceState[ModuleInstanceState["ConstEnumOnly"] = 2] = "ConstEnumOnly";
- })(ModuleInstanceState = ts.ModuleInstanceState || (ts.ModuleInstanceState = {}));
- function getModuleInstanceState(node, visited) {
- if (node.body && !node.body.parent) {
- // getModuleInstanceStateForAliasTarget needs to walk up the parent chain, so parent pointers must be set on this tree already
- setParentPointers(node, node.body);
- }
- return node.body ? getModuleInstanceStateCached(node.body, visited) : 1 /* Instantiated */;
- }
- ts.getModuleInstanceState = getModuleInstanceState;
- function getModuleInstanceStateCached(node, visited) {
- if (visited === void 0) { visited = ts.createMap(); }
- var nodeId = "" + ts.getNodeId(node);
- if (visited.has(nodeId)) {
- return visited.get(nodeId) || 0 /* NonInstantiated */;
- }
- visited.set(nodeId, undefined);
- var result = getModuleInstanceStateWorker(node, visited);
- visited.set(nodeId, result);
- return result;
- }
- function getModuleInstanceStateWorker(node, visited) {
- // A module is uninstantiated if it contains only
- switch (node.kind) {
- // 1. interface declarations, type alias declarations
- case 246 /* InterfaceDeclaration */:
- case 247 /* TypeAliasDeclaration */:
- return 0 /* NonInstantiated */;
- // 2. const enum declarations
- case 248 /* EnumDeclaration */:
- if (ts.isEnumConst(node)) {
- return 2 /* ConstEnumOnly */;
- }
- break;
- // 3. non-exported import declarations
- case 254 /* ImportDeclaration */:
- case 253 /* ImportEqualsDeclaration */:
- if (!(ts.hasModifier(node, 1 /* Export */))) {
- return 0 /* NonInstantiated */;
- }
- break;
- // 4. Export alias declarations pointing at only uninstantiated modules or things uninstantiated modules contain
- case 260 /* ExportDeclaration */:
- var exportDeclaration = node;
- if (!exportDeclaration.moduleSpecifier && exportDeclaration.exportClause && exportDeclaration.exportClause.kind === 261 /* NamedExports */) {
- var state = 0 /* NonInstantiated */;
- for (var _i = 0, _a = exportDeclaration.exportClause.elements; _i < _a.length; _i++) {
- var specifier = _a[_i];
- var specifierState = getModuleInstanceStateForAliasTarget(specifier, visited);
- if (specifierState > state) {
- state = specifierState;
- }
- if (state === 1 /* Instantiated */) {
- return state;
- }
- }
- return state;
- }
- break;
- // 5. other uninstantiated module declarations.
- case 250 /* ModuleBlock */: {
- var state_1 = 0 /* NonInstantiated */;
- ts.forEachChild(node, function (n) {
- var childState = getModuleInstanceStateCached(n, visited);
- switch (childState) {
- case 0 /* NonInstantiated */:
- // child is non-instantiated - continue searching
- return;
- case 2 /* ConstEnumOnly */:
- // child is const enum only - record state and continue searching
- state_1 = 2 /* ConstEnumOnly */;
- return;
- case 1 /* Instantiated */:
- // child is instantiated - record state and stop
- state_1 = 1 /* Instantiated */;
- return true;
- default:
- ts.Debug.assertNever(childState);
- }
- });
- return state_1;
- }
- case 249 /* ModuleDeclaration */:
- return getModuleInstanceState(node, visited);
- case 75 /* Identifier */:
- // Only jsdoc typedef definition can exist in jsdoc namespace, and it should
- // be considered the same as type alias
- if (node.isInJSDocNamespace) {
- return 0 /* NonInstantiated */;
- }
- }
- return 1 /* Instantiated */;
- }
- function getModuleInstanceStateForAliasTarget(specifier, visited) {
- var name = specifier.propertyName || specifier.name;
- var p = specifier.parent;
- while (p) {
- if (ts.isBlock(p) || ts.isModuleBlock(p) || ts.isSourceFile(p)) {
- var statements = p.statements;
- var found = void 0;
- for (var _i = 0, statements_1 = statements; _i < statements_1.length; _i++) {
- var statement = statements_1[_i];
- if (ts.nodeHasName(statement, name)) {
- if (!statement.parent) {
- setParentPointers(p, statement);
- }
- var state = getModuleInstanceStateCached(statement, visited);
- if (found === undefined || state > found) {
- found = state;
- }
- if (found === 1 /* Instantiated */) {
- return found;
- }
- }
- }
- if (found !== undefined) {
- return found;
- }
- }
- p = p.parent;
- }
- return 1 /* Instantiated */; // Couldn't locate, assume could refer to a value
- }
- var ContainerFlags;
- (function (ContainerFlags) {
- // The current node is not a container, and no container manipulation should happen before
- // recursing into it.
- ContainerFlags[ContainerFlags["None"] = 0] = "None";
- // The current node is a container. It should be set as the current container (and block-
- // container) before recursing into it. The current node does not have locals. Examples:
- //
- // Classes, ObjectLiterals, TypeLiterals, Interfaces...
- ContainerFlags[ContainerFlags["IsContainer"] = 1] = "IsContainer";
- // The current node is a block-scoped-container. It should be set as the current block-
- // container before recursing into it. Examples:
- //
- // Blocks (when not parented by functions), Catch clauses, For/For-in/For-of statements...
- ContainerFlags[ContainerFlags["IsBlockScopedContainer"] = 2] = "IsBlockScopedContainer";
- // The current node is the container of a control flow path. The current control flow should
- // be saved and restored, and a new control flow initialized within the container.
- ContainerFlags[ContainerFlags["IsControlFlowContainer"] = 4] = "IsControlFlowContainer";
- ContainerFlags[ContainerFlags["IsFunctionLike"] = 8] = "IsFunctionLike";
- ContainerFlags[ContainerFlags["IsFunctionExpression"] = 16] = "IsFunctionExpression";
- ContainerFlags[ContainerFlags["HasLocals"] = 32] = "HasLocals";
- ContainerFlags[ContainerFlags["IsInterface"] = 64] = "IsInterface";
- ContainerFlags[ContainerFlags["IsObjectLiteralOrClassExpressionMethod"] = 128] = "IsObjectLiteralOrClassExpressionMethod";
- })(ContainerFlags || (ContainerFlags = {}));
- function initFlowNode(node) {
- ts.Debug.attachFlowNodeDebugInfo(node);
- return node;
- }
- var binder = createBinder();
- function bindSourceFile(file, options) {
- ts.performance.mark("beforeBind");
- ts.perfLogger.logStartBindFile("" + file.fileName);
- binder(file, options);
- ts.perfLogger.logStopBindFile();
- ts.performance.mark("afterBind");
- ts.performance.measure("Bind", "beforeBind", "afterBind");
- }
- ts.bindSourceFile = bindSourceFile;
- function createBinder() {
- var file;
- var options;
- var languageVersion;
- var parent;
- var container;
- var thisParentContainer; // Container one level up
- var blockScopeContainer;
- var lastContainer;
- var delayedTypeAliases;
- var seenThisKeyword;
- // state used by control flow analysis
- var currentFlow;
- var currentBreakTarget;
- var currentContinueTarget;
- var currentReturnTarget;
- var currentTrueTarget;
- var currentFalseTarget;
- var currentExceptionTarget;
- var preSwitchCaseFlow;
- var activeLabelList;
- var hasExplicitReturn;
- // state used for emit helpers
- var emitFlags;
- // If this file is an external module, then it is automatically in strict-mode according to
- // ES6. If it is not an external module, then we'll determine if it is in strict mode or
- // not depending on if we see "use strict" in certain places or if we hit a class/namespace
- // or if compiler options contain alwaysStrict.
- var inStrictMode;
- var symbolCount = 0;
- var Symbol;
- var classifiableNames;
- var unreachableFlow = { flags: 1 /* Unreachable */ };
- var reportedUnreachableFlow = { flags: 1 /* Unreachable */ };
- // state used to aggregate transform flags during bind.
- var subtreeTransformFlags = 0 /* None */;
- var skipTransformFlagAggregation;
- /**
- * Inside the binder, we may create a diagnostic for an as-yet unbound node (with potentially no parent pointers, implying no accessible source file)
- * If so, the node _must_ be in the current file (as that's the only way anything could have traversed to it to yield it as the error node)
- * This version of `createDiagnosticForNode` uses the binder's context to account for this, and always yields correct diagnostics even in these situations.
- */
- function createDiagnosticForNode(node, message, arg0, arg1, arg2) {
- return ts.createDiagnosticForNodeInSourceFile(ts.getSourceFileOfNode(node) || file, node, message, arg0, arg1, arg2);
- }
- function bindSourceFile(f, opts) {
- file = f;
- options = opts;
- languageVersion = ts.getEmitScriptTarget(options);
- inStrictMode = bindInStrictMode(file, opts);
- classifiableNames = ts.createUnderscoreEscapedMap();
- symbolCount = 0;
- skipTransformFlagAggregation = file.isDeclarationFile;
- Symbol = ts.objectAllocator.getSymbolConstructor();
- // Attach debugging information if necessary
- ts.Debug.attachFlowNodeDebugInfo(unreachableFlow);
- ts.Debug.attachFlowNodeDebugInfo(reportedUnreachableFlow);
- if (!file.locals) {
- bind(file);
- file.symbolCount = symbolCount;
- file.classifiableNames = classifiableNames;
- delayedBindJSDocTypedefTag();
- }
- file = undefined;
- options = undefined;
- languageVersion = undefined;
- parent = undefined;
- container = undefined;
- thisParentContainer = undefined;
- blockScopeContainer = undefined;
- lastContainer = undefined;
- delayedTypeAliases = undefined;
- seenThisKeyword = false;
- currentFlow = undefined;
- currentBreakTarget = undefined;
- currentContinueTarget = undefined;
- currentReturnTarget = undefined;
- currentTrueTarget = undefined;
- currentFalseTarget = undefined;
- currentExceptionTarget = undefined;
- activeLabelList = undefined;
- hasExplicitReturn = false;
- emitFlags = 0 /* None */;
- subtreeTransformFlags = 0 /* None */;
- }
- return bindSourceFile;
- function bindInStrictMode(file, opts) {
- if (ts.getStrictOptionValue(opts, "alwaysStrict") && !file.isDeclarationFile) {
- // bind in strict mode source files with alwaysStrict option
- return true;
- }
- else {
- return !!file.externalModuleIndicator;
- }
- }
- function createSymbol(flags, name) {
- symbolCount++;
- return new Symbol(flags, name);
- }
- function addDeclarationToSymbol(symbol, node, symbolFlags) {
- symbol.flags |= symbolFlags;
- node.symbol = symbol;
- symbol.declarations = ts.appendIfUnique(symbol.declarations, node);
- if (symbolFlags & (32 /* Class */ | 384 /* Enum */ | 1536 /* Module */ | 3 /* Variable */) && !symbol.exports) {
- symbol.exports = ts.createSymbolTable();
- }
- if (symbolFlags & (32 /* Class */ | 64 /* Interface */ | 2048 /* TypeLiteral */ | 4096 /* ObjectLiteral */) && !symbol.members) {
- symbol.members = ts.createSymbolTable();
- }
- // On merge of const enum module with class or function, reset const enum only flag (namespaces will already recalculate)
- if (symbol.constEnumOnlyModule && (symbol.flags & (16 /* Function */ | 32 /* Class */ | 256 /* RegularEnum */))) {
- symbol.constEnumOnlyModule = false;
- }
- if (symbolFlags & 111551 /* Value */) {
- ts.setValueDeclaration(symbol, node);
- }
- }
- // Should not be called on a declaration with a computed property name,
- // unless it is a well known Symbol.
- function getDeclarationName(node) {
- if (node.kind === 259 /* ExportAssignment */) {
- return node.isExportEquals ? "export=" /* ExportEquals */ : "default" /* Default */;
- }
- var name = ts.getNameOfDeclaration(node);
- if (name) {
- if (ts.isAmbientModule(node)) {
- var moduleName = ts.getTextOfIdentifierOrLiteral(name);
- return (ts.isGlobalScopeAugmentation(node) ? "__global" : "\"" + moduleName + "\"");
- }
- if (name.kind === 154 /* ComputedPropertyName */) {
- var nameExpression = name.expression;
- // treat computed property names where expression is string/numeric literal as just string/numeric literal
- if (ts.isStringOrNumericLiteralLike(nameExpression)) {
- return ts.escapeLeadingUnderscores(nameExpression.text);
- }
- if (ts.isSignedNumericLiteral(nameExpression)) {
- return ts.tokenToString(nameExpression.operator) + nameExpression.operand.text;
- }
- ts.Debug.assert(ts.isWellKnownSymbolSyntactically(nameExpression));
- return ts.getPropertyNameForKnownSymbolName(ts.idText(nameExpression.name));
- }
- if (ts.isWellKnownSymbolSyntactically(name)) {
- return ts.getPropertyNameForKnownSymbolName(ts.idText(name.name));
- }
- if (ts.isPrivateIdentifier(name)) {
- // containingClass exists because private names only allowed inside classes
- var containingClass = ts.getContainingClass(node);
- if (!containingClass) {
- // we can get here in cases where there is already a parse error.
- return undefined;
- }
- var containingClassSymbol = containingClass.symbol;
- return ts.getSymbolNameForPrivateIdentifier(containingClassSymbol, name.escapedText);
- }
- return ts.isPropertyNameLiteral(name) ? ts.getEscapedTextOfIdentifierOrLiteral(name) : undefined;
- }
- switch (node.kind) {
- case 162 /* Constructor */:
- return "__constructor" /* Constructor */;
- case 170 /* FunctionType */:
- case 165 /* CallSignature */:
- case 305 /* JSDocSignature */:
- return "__call" /* Call */;
- case 171 /* ConstructorType */:
- case 166 /* ConstructSignature */:
- return "__new" /* New */;
- case 167 /* IndexSignature */:
- return "__index" /* Index */;
- case 260 /* ExportDeclaration */:
- return "__export" /* ExportStar */;
- case 290 /* SourceFile */:
- // json file should behave as
- // module.exports = ...
- return "export=" /* ExportEquals */;
- case 209 /* BinaryExpression */:
- if (ts.getAssignmentDeclarationKind(node) === 2 /* ModuleExports */) {
- // module.exports = ...
- return "export=" /* ExportEquals */;
- }
- ts.Debug.fail("Unknown binary declaration kind");
- break;
- case 300 /* JSDocFunctionType */:
- return (ts.isJSDocConstructSignature(node) ? "__new" /* New */ : "__call" /* Call */);
- case 156 /* Parameter */:
- // Parameters with names are handled at the top of this function. Parameters
- // without names can only come from JSDocFunctionTypes.
- ts.Debug.assert(node.parent.kind === 300 /* JSDocFunctionType */, "Impossible parameter parent kind", function () { return "parent is: " + (ts.SyntaxKind ? ts.SyntaxKind[node.parent.kind] : node.parent.kind) + ", expected JSDocFunctionType"; });
- var functionType = node.parent;
- var index = functionType.parameters.indexOf(node);
- return "arg" + index;
- }
- }
- function getDisplayName(node) {
- return ts.isNamedDeclaration(node) ? ts.declarationNameToString(node.name) : ts.unescapeLeadingUnderscores(ts.Debug.checkDefined(getDeclarationName(node)));
- }
- /**
- * Declares a Symbol for the node and adds it to symbols. Reports errors for conflicting identifier names.
- * @param symbolTable - The symbol table which node will be added to.
- * @param parent - node's parent declaration.
- * @param node - The declaration to be added to the symbol table
- * @param includes - The SymbolFlags that node has in addition to its declaration type (eg: export, ambient, etc.)
- * @param excludes - The flags which node cannot be declared alongside in a symbol table. Used to report forbidden declarations.
- */
- function declareSymbol(symbolTable, parent, node, includes, excludes, isReplaceableByMethod) {
- ts.Debug.assert(!ts.hasDynamicName(node));
- var isDefaultExport = ts.hasModifier(node, 512 /* Default */) || ts.isExportSpecifier(node) && node.name.escapedText === "default";
- // The exported symbol for an export default function/class node is always named "default"
- var name = isDefaultExport && parent ? "default" /* Default */ : getDeclarationName(node);
- var symbol;
- if (name === undefined) {
- symbol = createSymbol(0 /* None */, "__missing" /* Missing */);
- }
- else {
- // Check and see if the symbol table already has a symbol with this name. If not,
- // create a new symbol with this name and add it to the table. Note that we don't
- // give the new symbol any flags *yet*. This ensures that it will not conflict
- // with the 'excludes' flags we pass in.
- //
- // If we do get an existing symbol, see if it conflicts with the new symbol we're
- // creating. For example, a 'var' symbol and a 'class' symbol will conflict within
- // the same symbol table. If we have a conflict, report the issue on each
- // declaration we have for this symbol, and then create a new symbol for this
- // declaration.
- //
- // Note that when properties declared in Javascript constructors
- // (marked by isReplaceableByMethod) conflict with another symbol, the property loses.
- // Always. This allows the common Javascript pattern of overwriting a prototype method
- // with an bound instance method of the same type: `this.method = this.method.bind(this)`
- //
- // If we created a new symbol, either because we didn't have a symbol with this name
- // in the symbol table, or we conflicted with an existing symbol, then just add this
- // node as the sole declaration of the new symbol.
- //
- // Otherwise, we'll be merging into a compatible existing symbol (for example when
- // you have multiple 'vars' with the same name in the same container). In this case
- // just add this node into the declarations list of the symbol.
- symbol = symbolTable.get(name);
- if (includes & 2885600 /* Classifiable */) {
- classifiableNames.set(name, true);
- }
- if (!symbol) {
- symbolTable.set(name, symbol = createSymbol(0 /* None */, name));
- if (isReplaceableByMethod)
- symbol.isReplaceableByMethod = true;
- }
- else if (isReplaceableByMethod && !symbol.isReplaceableByMethod) {
- // A symbol already exists, so don't add this as a declaration.
- return symbol;
- }
- else if (symbol.flags & excludes) {
- if (symbol.isReplaceableByMethod) {
- // Javascript constructor-declared symbols can be discarded in favor of
- // prototype symbols like methods.
- symbolTable.set(name, symbol = createSymbol(0 /* None */, name));
- }
- else if (!(includes & 3 /* Variable */ && symbol.flags & 67108864 /* Assignment */)) {
- // Assignment declarations are allowed to merge with variables, no matter what other flags they have.
- if (ts.isNamedDeclaration(node)) {
- node.name.parent = node;
- }
- // Report errors every position with duplicate declaration
- // Report errors on previous encountered declarations
- var message_1 = symbol.flags & 2 /* BlockScopedVariable */
- ? ts.Diagnostics.Cannot_redeclare_block_scoped_variable_0
- : ts.Diagnostics.Duplicate_identifier_0;
- var messageNeedsName_1 = true;
- if (symbol.flags & 384 /* Enum */ || includes & 384 /* Enum */) {
- message_1 = ts.Diagnostics.Enum_declarations_can_only_merge_with_namespace_or_other_enum_declarations;
- messageNeedsName_1 = false;
- }
- var multipleDefaultExports_1 = false;
- if (ts.length(symbol.declarations)) {
- // If the current node is a default export of some sort, then check if
- // there are any other default exports that we need to error on.
- // We'll know whether we have other default exports depending on if `symbol` already has a declaration list set.
- if (isDefaultExport) {
- message_1 = ts.Diagnostics.A_module_cannot_have_multiple_default_exports;
- messageNeedsName_1 = false;
- multipleDefaultExports_1 = true;
- }
- else {
- // This is to properly report an error in the case "export default { }" is after export default of class declaration or function declaration.
- // Error on multiple export default in the following case:
- // 1. multiple export default of class declaration or function declaration by checking NodeFlags.Default
- // 2. multiple export default of export assignment. This one doesn't have NodeFlags.Default on (as export default doesn't considered as modifiers)
- if (symbol.declarations && symbol.declarations.length &&
- (node.kind === 259 /* ExportAssignment */ && !node.isExportEquals)) {
- message_1 = ts.Diagnostics.A_module_cannot_have_multiple_default_exports;
- messageNeedsName_1 = false;
- multipleDefaultExports_1 = true;
- }
- }
- }
- var relatedInformation_1 = [];
- if (ts.isTypeAliasDeclaration(node) && ts.nodeIsMissing(node.type) && ts.hasModifier(node, 1 /* Export */) && symbol.flags & (2097152 /* Alias */ | 788968 /* Type */ | 1920 /* Namespace */)) {
- // export type T; - may have meant export type { T }?
- relatedInformation_1.push(createDiagnosticForNode(node, ts.Diagnostics.Did_you_mean_0, "export type { " + ts.unescapeLeadingUnderscores(node.name.escapedText) + " }"));
- }
- var declarationName_1 = ts.getNameOfDeclaration(node) || node;
- ts.forEach(symbol.declarations, function (declaration, index) {
- var decl = ts.getNameOfDeclaration(declaration) || declaration;
- var diag = createDiagnosticForNode(decl, message_1, messageNeedsName_1 ? getDisplayName(declaration) : undefined);
- file.bindDiagnostics.push(multipleDefaultExports_1 ? ts.addRelatedInfo(diag, createDiagnosticForNode(declarationName_1, index === 0 ? ts.Diagnostics.Another_export_default_is_here : ts.Diagnostics.and_here)) : diag);
- if (multipleDefaultExports_1) {
- relatedInformation_1.push(createDiagnosticForNode(decl, ts.Diagnostics.The_first_export_default_is_here));
- }
- });
- var diag = createDiagnosticForNode(declarationName_1, message_1, messageNeedsName_1 ? getDisplayName(node) : undefined);
- file.bindDiagnostics.push(ts.addRelatedInfo.apply(void 0, __spreadArrays([diag], relatedInformation_1)));
- symbol = createSymbol(0 /* None */, name);
- }
- }
- }
- addDeclarationToSymbol(symbol, node, includes);
- if (symbol.parent) {
- ts.Debug.assert(symbol.parent === parent, "Existing symbol parent should match new one");
- }
- else {
- symbol.parent = parent;
- }
- return symbol;
- }
- function declareModuleMember(node, symbolFlags, symbolExcludes) {
- var hasExportModifier = ts.getCombinedModifierFlags(node) & 1 /* Export */;
- if (symbolFlags & 2097152 /* Alias */) {
- if (node.kind === 263 /* ExportSpecifier */ || (node.kind === 253 /* ImportEqualsDeclaration */ && hasExportModifier)) {
- return declareSymbol(container.symbol.exports, container.symbol, node, symbolFlags, symbolExcludes);
- }
- else {
- return declareSymbol(container.locals, /*parent*/ undefined, node, symbolFlags, symbolExcludes);
- }
- }
- else {
- // Exported module members are given 2 symbols: A local symbol that is classified with an ExportValue flag,
- // and an associated export symbol with all the correct flags set on it. There are 2 main reasons:
- //
- // 1. We treat locals and exports of the same name as mutually exclusive within a container.
- // That means the binder will issue a Duplicate Identifier error if you mix locals and exports
- // with the same name in the same container.
- // TODO: Make this a more specific error and decouple it from the exclusion logic.
- // 2. When we checkIdentifier in the checker, we set its resolved symbol to the local symbol,
- // but return the export symbol (by calling getExportSymbolOfValueSymbolIfExported). That way
- // when the emitter comes back to it, it knows not to qualify the name if it was found in a containing scope.
- // NOTE: Nested ambient modules always should go to to 'locals' table to prevent their automatic merge
- // during global merging in the checker. Why? The only case when ambient module is permitted inside another module is module augmentation
- // and this case is specially handled. Module augmentations should only be merged with original module definition
- // and should never be merged directly with other augmentation, and the latter case would be possible if automatic merge is allowed.
- if (ts.isJSDocTypeAlias(node))
- ts.Debug.assert(ts.isInJSFile(node)); // We shouldn't add symbols for JSDoc nodes if not in a JS file.
- if ((!ts.isAmbientModule(node) && (hasExportModifier || container.flags & 64 /* ExportContext */)) || ts.isJSDocTypeAlias(node)) {
- if (!container.locals || (ts.hasModifier(node, 512 /* Default */) && !getDeclarationName(node))) {
- return declareSymbol(container.symbol.exports, container.symbol, node, symbolFlags, symbolExcludes); // No local symbol for an unnamed default!
- }
- var exportKind = symbolFlags & 111551 /* Value */ ? 1048576 /* ExportValue */ : 0;
- var local = declareSymbol(container.locals, /*parent*/ undefined, node, exportKind, symbolExcludes);
- local.exportSymbol = declareSymbol(container.symbol.exports, container.symbol, node, symbolFlags, symbolExcludes);
- node.localSymbol = local;
- return local;
- }
- else {
- return declareSymbol(container.locals, /*parent*/ undefined, node, symbolFlags, symbolExcludes);
- }
- }
- }
- // All container nodes are kept on a linked list in declaration order. This list is used by
- // the getLocalNameOfContainer function in the type checker to validate that the local name
- // used for a container is unique.
- function bindContainer(node, containerFlags) {
- // Before we recurse into a node's children, we first save the existing parent, container
- // and block-container. Then after we pop out of processing the children, we restore
- // these saved values.
- var saveContainer = container;
- var saveThisParentContainer = thisParentContainer;
- var savedBlockScopeContainer = blockScopeContainer;
- // Depending on what kind of node this is, we may have to adjust the current container
- // and block-container. If the current node is a container, then it is automatically
- // considered the current block-container as well. Also, for containers that we know
- // may contain locals, we eagerly initialize the .locals field. We do this because
- // it's highly likely that the .locals will be needed to place some child in (for example,
- // a parameter, or variable declaration).
- //
- // However, we do not proactively create the .locals for block-containers because it's
- // totally normal and common for block-containers to never actually have a block-scoped
- // variable in them. We don't want to end up allocating an object for every 'block' we
- // run into when most of them won't be necessary.
- //
- // Finally, if this is a block-container, then we clear out any existing .locals object
- // it may contain within it. This happens in incremental scenarios. Because we can be
- // reusing a node from a previous compilation, that node may have had 'locals' created
- // for it. We must clear this so we don't accidentally move any stale data forward from
- // a previous compilation.
- if (containerFlags & 1 /* IsContainer */) {
- if (node.kind !== 202 /* ArrowFunction */) {
- thisParentContainer = container;
- }
- container = blockScopeContainer = node;
- if (containerFlags & 32 /* HasLocals */) {
- container.locals = ts.createSymbolTable();
- }
- addToContainerChain(container);
- }
- else if (containerFlags & 2 /* IsBlockScopedContainer */) {
- blockScopeContainer = node;
- blockScopeContainer.locals = undefined;
- }
- if (containerFlags & 4 /* IsControlFlowContainer */) {
- var saveCurrentFlow = currentFlow;
- var saveBreakTarget = currentBreakTarget;
- var saveContinueTarget = currentContinueTarget;
- var saveReturnTarget = currentReturnTarget;
- var saveExceptionTarget = currentExceptionTarget;
- var saveActiveLabelList = activeLabelList;
- var saveHasExplicitReturn = hasExplicitReturn;
- var isIIFE = containerFlags & 16 /* IsFunctionExpression */ && !ts.hasModifier(node, 256 /* Async */) &&
- !node.asteriskToken && !!ts.getImmediatelyInvokedFunctionExpression(node);
- // A non-async, non-generator IIFE is considered part of the containing control flow. Return statements behave
- // similarly to break statements that exit to a label just past the statement body.
- if (!isIIFE) {
- currentFlow = initFlowNode({ flags: 2 /* Start */ });
- if (containerFlags & (16 /* IsFunctionExpression */ | 128 /* IsObjectLiteralOrClassExpressionMethod */)) {
- currentFlow.node = node;
- }
- }
- // We create a return control flow graph for IIFEs and constructors. For constructors
- // we use the return control flow graph in strict property initialization checks.
- currentReturnTarget = isIIFE || node.kind === 162 /* Constructor */ ? createBranchLabel() : undefined;
- currentExceptionTarget = undefined;
- currentBreakTarget = undefined;
- currentContinueTarget = undefined;
- activeLabelList = undefined;
- hasExplicitReturn = false;
- bindChildren(node);
- // Reset all reachability check related flags on node (for incremental scenarios)
- node.flags &= ~2816 /* ReachabilityAndEmitFlags */;
- if (!(currentFlow.flags & 1 /* Unreachable */) && containerFlags & 8 /* IsFunctionLike */ && ts.nodeIsPresent(node.body)) {
- node.flags |= 256 /* HasImplicitReturn */;
- if (hasExplicitReturn)
- node.flags |= 512 /* HasExplicitReturn */;
- node.endFlowNode = currentFlow;
- }
- if (node.kind === 290 /* SourceFile */) {
- node.flags |= emitFlags;
- }
- if (currentReturnTarget) {
- addAntecedent(currentReturnTarget, currentFlow);
- currentFlow = finishFlowLabel(currentReturnTarget);
- if (node.kind === 162 /* Constructor */) {
- node.returnFlowNode = currentFlow;
- }
- }
- if (!isIIFE) {
- currentFlow = saveCurrentFlow;
- }
- currentBreakTarget = saveBreakTarget;
- currentContinueTarget = saveContinueTarget;
- currentReturnTarget = saveReturnTarget;
- currentExceptionTarget = saveExceptionTarget;
- activeLabelList = saveActiveLabelList;
- hasExplicitReturn = saveHasExplicitReturn;
- }
- else if (containerFlags & 64 /* IsInterface */) {
- seenThisKeyword = false;
- bindChildren(node);
- node.flags = seenThisKeyword ? node.flags | 128 /* ContainsThis */ : node.flags & ~128 /* ContainsThis */;
- }
- else {
- bindChildren(node);
- }
- container = saveContainer;
- thisParentContainer = saveThisParentContainer;
- blockScopeContainer = savedBlockScopeContainer;
- }
- function bindChildren(node) {
- if (skipTransformFlagAggregation) {
- bindChildrenWorker(node);
- }
- else if (node.transformFlags & 536870912 /* HasComputedFlags */) {
- skipTransformFlagAggregation = true;
- bindChildrenWorker(node);
- skipTransformFlagAggregation = false;
- subtreeTransformFlags |= node.transformFlags & ~getTransformFlagsSubtreeExclusions(node.kind);
- }
- else {
- var savedSubtreeTransformFlags = subtreeTransformFlags;
- subtreeTransformFlags = 0;
- bindChildrenWorker(node);
- subtreeTransformFlags = savedSubtreeTransformFlags | computeTransformFlagsForNode(node, subtreeTransformFlags);
- }
- }
- function bindEachFunctionsFirst(nodes) {
- bindEach(nodes, function (n) { return n.kind === 244 /* FunctionDeclaration */ ? bind(n) : undefined; });
- bindEach(nodes, function (n) { return n.kind !== 244 /* FunctionDeclaration */ ? bind(n) : undefined; });
- }
- function bindEach(nodes, bindFunction) {
- if (bindFunction === void 0) { bindFunction = bind; }
- if (nodes === undefined) {
- return;
- }
- if (skipTransformFlagAggregation) {
- ts.forEach(nodes, bindFunction);
- }
- else {
- var savedSubtreeTransformFlags = subtreeTransformFlags;
- subtreeTransformFlags = 0 /* None */;
- var nodeArrayFlags = 0 /* None */;
- for (var _i = 0, nodes_2 = nodes; _i < nodes_2.length; _i++) {
- var node = nodes_2[_i];
- bindFunction(node);
- nodeArrayFlags |= node.transformFlags & ~536870912 /* HasComputedFlags */;
- }
- nodes.transformFlags = nodeArrayFlags | 536870912 /* HasComputedFlags */;
- subtreeTransformFlags |= savedSubtreeTransformFlags;
- }
- }
- function bindEachChild(node) {
- ts.forEachChild(node, bind, bindEach);
- }
- function bindChildrenWorker(node) {
- if (checkUnreachable(node)) {
- bindEachChild(node);
- bindJSDoc(node);
- return;
- }
- if (node.kind >= 225 /* FirstStatement */ && node.kind <= 241 /* LastStatement */ && !options.allowUnreachableCode) {
- node.flowNode = currentFlow;
- }
- switch (node.kind) {
- case 229 /* WhileStatement */:
- bindWhileStatement(node);
- break;
- case 228 /* DoStatement */:
- bindDoStatement(node);
- break;
- case 230 /* ForStatement */:
- bindForStatement(node);
- break;
- case 231 /* ForInStatement */:
- case 232 /* ForOfStatement */:
- bindForInOrForOfStatement(node);
- break;
- case 227 /* IfStatement */:
- bindIfStatement(node);
- break;
- case 235 /* ReturnStatement */:
- case 239 /* ThrowStatement */:
- bindReturnOrThrow(node);
- break;
- case 234 /* BreakStatement */:
- case 233 /* ContinueStatement */:
- bindBreakOrContinueStatement(node);
- break;
- case 240 /* TryStatement */:
- bindTryStatement(node);
- break;
- case 237 /* SwitchStatement */:
- bindSwitchStatement(node);
- break;
- case 251 /* CaseBlock */:
- bindCaseBlock(node);
- break;
- case 277 /* CaseClause */:
- bindCaseClause(node);
- break;
- case 226 /* ExpressionStatement */:
- bindExpressionStatement(node);
- break;
- case 238 /* LabeledStatement */:
- bindLabeledStatement(node);
- break;
- case 207 /* PrefixUnaryExpression */:
- bindPrefixUnaryExpressionFlow(node);
- break;
- case 208 /* PostfixUnaryExpression */:
- bindPostfixUnaryExpressionFlow(node);
- break;
- case 209 /* BinaryExpression */:
- bindBinaryExpressionFlow(node);
- break;
- case 203 /* DeleteExpression */:
- bindDeleteExpressionFlow(node);
- break;
- case 210 /* ConditionalExpression */:
- bindConditionalExpressionFlow(node);
- break;
- case 242 /* VariableDeclaration */:
- bindVariableDeclarationFlow(node);
- break;
- case 194 /* PropertyAccessExpression */:
- case 195 /* ElementAccessExpression */:
- bindAccessExpressionFlow(node);
- break;
- case 196 /* CallExpression */:
- bindCallExpressionFlow(node);
- break;
- case 218 /* NonNullExpression */:
- bindNonNullExpressionFlow(node);
- break;
- case 322 /* JSDocTypedefTag */:
- case 315 /* JSDocCallbackTag */:
- case 316 /* JSDocEnumTag */:
- bindJSDocTypeAlias(node);
- break;
- // In source files and blocks, bind functions first to match hoisting that occurs at runtime
- case 290 /* SourceFile */: {
- bindEachFunctionsFirst(node.statements);
- bind(node.endOfFileToken);
- break;
- }
- case 223 /* Block */:
- case 250 /* ModuleBlock */:
- bindEachFunctionsFirst(node.statements);
- break;
- default:
- bindEachChild(node);
- break;
- }
- bindJSDoc(node);
- }
- function isNarrowingExpression(expr) {
- switch (expr.kind) {
- case 75 /* Identifier */:
- case 104 /* ThisKeyword */:
- case 194 /* PropertyAccessExpression */:
- case 195 /* ElementAccessExpression */:
- return containsNarrowableReference(expr);
- case 196 /* CallExpression */:
- return hasNarrowableArgument(expr);
- case 200 /* ParenthesizedExpression */:
- return isNarrowingExpression(expr.expression);
- case 209 /* BinaryExpression */:
- return isNarrowingBinaryExpression(expr);
- case 207 /* PrefixUnaryExpression */:
- return expr.operator === 53 /* ExclamationToken */ && isNarrowingExpression(expr.operand);
- case 204 /* TypeOfExpression */:
- return isNarrowingExpression(expr.expression);
- }
- return false;
- }
- function isNarrowableReference(expr) {
- return expr.kind === 75 /* Identifier */ || expr.kind === 104 /* ThisKeyword */ || expr.kind === 102 /* SuperKeyword */ ||
- (ts.isPropertyAccessExpression(expr) || ts.isNonNullExpression(expr) || ts.isParenthesizedExpression(expr)) && isNarrowableReference(expr.expression) ||
- ts.isElementAccessExpression(expr) && ts.isStringOrNumericLiteralLike(expr.argumentExpression) && isNarrowableReference(expr.expression);
- }
- function containsNarrowableReference(expr) {
- return isNarrowableReference(expr) || ts.isOptionalChain(expr) && containsNarrowableReference(expr.expression);
- }
- function hasNarrowableArgument(expr) {
- if (expr.arguments) {
- for (var _i = 0, _a = expr.arguments; _i < _a.length; _i++) {
- var argument = _a[_i];
- if (containsNarrowableReference(argument)) {
- return true;
- }
- }
- }
- if (expr.expression.kind === 194 /* PropertyAccessExpression */ &&
- containsNarrowableReference(expr.expression.expression)) {
- return true;
- }
- return false;
- }
- function isNarrowingTypeofOperands(expr1, expr2) {
- return ts.isTypeOfExpression(expr1) && isNarrowableOperand(expr1.expression) && ts.isStringLiteralLike(expr2);
- }
- function isNarrowableInOperands(left, right) {
- return ts.isStringLiteralLike(left) && isNarrowingExpression(right);
- }
- function isNarrowingBinaryExpression(expr) {
- switch (expr.operatorToken.kind) {
- case 62 /* EqualsToken */:
- return containsNarrowableReference(expr.left);
- case 34 /* EqualsEqualsToken */:
- case 35 /* ExclamationEqualsToken */:
- case 36 /* EqualsEqualsEqualsToken */:
- case 37 /* ExclamationEqualsEqualsToken */:
- return isNarrowableOperand(expr.left) || isNarrowableOperand(expr.right) ||
- isNarrowingTypeofOperands(expr.right, expr.left) || isNarrowingTypeofOperands(expr.left, expr.right);
- case 98 /* InstanceOfKeyword */:
- return isNarrowableOperand(expr.left);
- case 97 /* InKeyword */:
- return isNarrowableInOperands(expr.left, expr.right);
- case 27 /* CommaToken */:
- return isNarrowingExpression(expr.right);
- }
- return false;
- }
- function isNarrowableOperand(expr) {
- switch (expr.kind) {
- case 200 /* ParenthesizedExpression */:
- return isNarrowableOperand(expr.expression);
- case 209 /* BinaryExpression */:
- switch (expr.operatorToken.kind) {
- case 62 /* EqualsToken */:
- return isNarrowableOperand(expr.left);
- case 27 /* CommaToken */:
- return isNarrowableOperand(expr.right);
- }
- }
- return containsNarrowableReference(expr);
- }
- function createBranchLabel() {
- return initFlowNode({ flags: 4 /* BranchLabel */, antecedents: undefined });
- }
- function createLoopLabel() {
- return initFlowNode({ flags: 8 /* LoopLabel */, antecedents: undefined });
- }
- function createReduceLabel(target, antecedents, antecedent) {
- return initFlowNode({ flags: 1024 /* ReduceLabel */, target: target, antecedents: antecedents, antecedent: antecedent });
- }
- function setFlowNodeReferenced(flow) {
- // On first reference we set the Referenced flag, thereafter we set the Shared flag
- flow.flags |= flow.flags & 2048 /* Referenced */ ? 4096 /* Shared */ : 2048 /* Referenced */;
- }
- function addAntecedent(label, antecedent) {
- if (!(antecedent.flags & 1 /* Unreachable */) && !ts.contains(label.antecedents, antecedent)) {
- (label.antecedents || (label.antecedents = [])).push(antecedent);
- setFlowNodeReferenced(antecedent);
- }
- }
- function createFlowCondition(flags, antecedent, expression) {
- if (antecedent.flags & 1 /* Unreachable */) {
- return antecedent;
- }
- if (!expression) {
- return flags & 32 /* TrueCondition */ ? antecedent : unreachableFlow;
- }
- if ((expression.kind === 106 /* TrueKeyword */ && flags & 64 /* FalseCondition */ ||
- expression.kind === 91 /* FalseKeyword */ && flags & 32 /* TrueCondition */) &&
- !ts.isExpressionOfOptionalChainRoot(expression) && !ts.isNullishCoalesce(expression.parent)) {
- return unreachableFlow;
- }
- if (!isNarrowingExpression(expression)) {
- return antecedent;
- }
- setFlowNodeReferenced(antecedent);
- return initFlowNode({ flags: flags, antecedent: antecedent, node: expression });
- }
- function createFlowSwitchClause(antecedent, switchStatement, clauseStart, clauseEnd) {
- setFlowNodeReferenced(antecedent);
- return initFlowNode({ flags: 128 /* SwitchClause */, antecedent: antecedent, switchStatement: switchStatement, clauseStart: clauseStart, clauseEnd: clauseEnd });
- }
- function createFlowMutation(flags, antecedent, node) {
- setFlowNodeReferenced(antecedent);
- var result = initFlowNode({ flags: flags, antecedent: antecedent, node: node });
- if (currentExceptionTarget) {
- addAntecedent(currentExceptionTarget, result);
- }
- return result;
- }
- function createFlowCall(antecedent, node) {
- setFlowNodeReferenced(antecedent);
- return initFlowNode({ flags: 512 /* Call */, antecedent: antecedent, node: node });
- }
- function finishFlowLabel(flow) {
- var antecedents = flow.antecedents;
- if (!antecedents) {
- return unreachableFlow;
- }
- if (antecedents.length === 1) {
- return antecedents[0];
- }
- return flow;
- }
- function isStatementCondition(node) {
- var parent = node.parent;
- switch (parent.kind) {
- case 227 /* IfStatement */:
- case 229 /* WhileStatement */:
- case 228 /* DoStatement */:
- return parent.expression === node;
- case 230 /* ForStatement */:
- case 210 /* ConditionalExpression */:
- return parent.condition === node;
- }
- return false;
- }
- function isLogicalExpression(node) {
- while (true) {
- if (node.kind === 200 /* ParenthesizedExpression */) {
- node = node.expression;
- }
- else if (node.kind === 207 /* PrefixUnaryExpression */ && node.operator === 53 /* ExclamationToken */) {
- node = node.operand;
- }
- else {
- return node.kind === 209 /* BinaryExpression */ && (node.operatorToken.kind === 55 /* AmpersandAmpersandToken */ ||
- node.operatorToken.kind === 56 /* BarBarToken */ ||
- node.operatorToken.kind === 60 /* QuestionQuestionToken */);
- }
- }
- }
- function isTopLevelLogicalExpression(node) {
- while (ts.isParenthesizedExpression(node.parent) ||
- ts.isPrefixUnaryExpression(node.parent) && node.parent.operator === 53 /* ExclamationToken */) {
- node = node.parent;
- }
- return !isStatementCondition(node) &&
- !isLogicalExpression(node.parent) &&
- !(ts.isOptionalChain(node.parent) && node.parent.expression === node);
- }
- function doWithConditionalBranches(action, value, trueTarget, falseTarget) {
- var savedTrueTarget = currentTrueTarget;
- var savedFalseTarget = currentFalseTarget;
- currentTrueTarget = trueTarget;
- currentFalseTarget = falseTarget;
- action(value);
- currentTrueTarget = savedTrueTarget;
- currentFalseTarget = savedFalseTarget;
- }
- function bindCondition(node, trueTarget, falseTarget) {
- doWithConditionalBranches(bind, node, trueTarget, falseTarget);
- if (!node || !isLogicalExpression(node) && !(ts.isOptionalChain(node) && ts.isOutermostOptionalChain(node))) {
- addAntecedent(trueTarget, createFlowCondition(32 /* TrueCondition */, currentFlow, node));
- addAntecedent(falseTarget, createFlowCondition(64 /* FalseCondition */, currentFlow, node));
- }
- }
- function bindIterativeStatement(node, breakTarget, continueTarget) {
- var saveBreakTarget = currentBreakTarget;
- var saveContinueTarget = currentContinueTarget;
- currentBreakTarget = breakTarget;
- currentContinueTarget = continueTarget;
- bind(node);
- currentBreakTarget = saveBreakTarget;
- currentContinueTarget = saveContinueTarget;
- }
- function setContinueTarget(node, target) {
- var label = activeLabelList;
- while (label && node.parent.kind === 238 /* LabeledStatement */) {
- label.continueTarget = target;
- label = label.next;
- node = node.parent;
- }
- return target;
- }
- function bindWhileStatement(node) {
- var preWhileLabel = setContinueTarget(node, createLoopLabel());
- var preBodyLabel = createBranchLabel();
- var postWhileLabel = createBranchLabel();
- addAntecedent(preWhileLabel, currentFlow);
- currentFlow = preWhileLabel;
- bindCondition(node.expression, preBodyLabel, postWhileLabel);
- currentFlow = finishFlowLabel(preBodyLabel);
- bindIterativeStatement(node.statement, postWhileLabel, preWhileLabel);
- addAntecedent(preWhileLabel, currentFlow);
- currentFlow = finishFlowLabel(postWhileLabel);
- }
- function bindDoStatement(node) {
- var preDoLabel = createLoopLabel();
- var preConditionLabel = setContinueTarget(node, createBranchLabel());
- var postDoLabel = createBranchLabel();
- addAntecedent(preDoLabel, currentFlow);
- currentFlow = preDoLabel;
- bindIterativeStatement(node.statement, postDoLabel, preConditionLabel);
- addAntecedent(preConditionLabel, currentFlow);
- currentFlow = finishFlowLabel(preConditionLabel);
- bindCondition(node.expression, preDoLabel, postDoLabel);
- currentFlow = finishFlowLabel(postDoLabel);
- }
- function bindForStatement(node) {
- var preLoopLabel = setContinueTarget(node, createLoopLabel());
- var preBodyLabel = createBranchLabel();
- var postLoopLabel = createBranchLabel();
- bind(node.initializer);
- addAntecedent(preLoopLabel, currentFlow);
- currentFlow = preLoopLabel;
- bindCondition(node.condition, preBodyLabel, postLoopLabel);
- currentFlow = finishFlowLabel(preBodyLabel);
- bindIterativeStatement(node.statement, postLoopLabel, preLoopLabel);
- bind(node.incrementor);
- addAntecedent(preLoopLabel, currentFlow);
- currentFlow = finishFlowLabel(postLoopLabel);
- }
- function bindForInOrForOfStatement(node) {
- var preLoopLabel = setContinueTarget(node, createLoopLabel());
- var postLoopLabel = createBranchLabel();
- bind(node.expression);
- addAntecedent(preLoopLabel, currentFlow);
- currentFlow = preLoopLabel;
- if (node.kind === 232 /* ForOfStatement */) {
- bind(node.awaitModifier);
- }
- addAntecedent(postLoopLabel, currentFlow);
- bind(node.initializer);
- if (node.initializer.kind !== 243 /* VariableDeclarationList */) {
- bindAssignmentTargetFlow(node.initializer);
- }
- bindIterativeStatement(node.statement, postLoopLabel, preLoopLabel);
- addAntecedent(preLoopLabel, currentFlow);
- currentFlow = finishFlowLabel(postLoopLabel);
- }
- function bindIfStatement(node) {
- var thenLabel = createBranchLabel();
- var elseLabel = createBranchLabel();
- var postIfLabel = createBranchLabel();
- bindCondition(node.expression, thenLabel, elseLabel);
- currentFlow = finishFlowLabel(thenLabel);
- bind(node.thenStatement);
- addAntecedent(postIfLabel, currentFlow);
- currentFlow = finishFlowLabel(elseLabel);
- bind(node.elseStatement);
- addAntecedent(postIfLabel, currentFlow);
- currentFlow = finishFlowLabel(postIfLabel);
- }
- function bindReturnOrThrow(node) {
- bind(node.expression);
- if (node.kind === 235 /* ReturnStatement */) {
- hasExplicitReturn = true;
- if (currentReturnTarget) {
- addAntecedent(currentReturnTarget, currentFlow);
- }
- }
- currentFlow = unreachableFlow;
- }
- function findActiveLabel(name) {
- for (var label = activeLabelList; label; label = label.next) {
- if (label.name === name) {
- return label;
- }
- }
- return undefined;
- }
- function bindBreakOrContinueFlow(node, breakTarget, continueTarget) {
- var flowLabel = node.kind === 234 /* BreakStatement */ ? breakTarget : continueTarget;
- if (flowLabel) {
- addAntecedent(flowLabel, currentFlow);
- currentFlow = unreachableFlow;
- }
- }
- function bindBreakOrContinueStatement(node) {
- bind(node.label);
- if (node.label) {
- var activeLabel = findActiveLabel(node.label.escapedText);
- if (activeLabel) {
- activeLabel.referenced = true;
- bindBreakOrContinueFlow(node, activeLabel.breakTarget, activeLabel.continueTarget);
- }
- }
- else {
- bindBreakOrContinueFlow(node, currentBreakTarget, currentContinueTarget);
- }
- }
- function bindTryStatement(node) {
- // We conservatively assume that *any* code in the try block can cause an exception, but we only need
- // to track code that causes mutations (because only mutations widen the possible control flow type of
- // a variable). The exceptionLabel is the target label for control flows that result from exceptions.
- // We add all mutation flow nodes as antecedents of this label such that we can analyze them as possible
- // antecedents of the start of catch or finally blocks. Furthermore, we add the current control flow to
- // represent exceptions that occur before any mutations.
- var saveReturnTarget = currentReturnTarget;
- var saveExceptionTarget = currentExceptionTarget;
- var normalExitLabel = createBranchLabel();
- var returnLabel = createBranchLabel();
- var exceptionLabel = createBranchLabel();
- if (node.finallyBlock) {
- currentReturnTarget = returnLabel;
- }
- addAntecedent(exceptionLabel, currentFlow);
- currentExceptionTarget = exceptionLabel;
- bind(node.tryBlock);
- addAntecedent(normalExitLabel, currentFlow);
- if (node.catchClause) {
- // Start of catch clause is the target of exceptions from try block.
- currentFlow = finishFlowLabel(exceptionLabel);
- // The currentExceptionTarget now represents control flows from exceptions in the catch clause.
- // Effectively, in a try-catch-finally, if an exception occurs in the try block, the catch block
- // acts like a second try block.
- exceptionLabel = createBranchLabel();
- addAntecedent(exceptionLabel, currentFlow);
- currentExceptionTarget = exceptionLabel;
- bind(node.catchClause);
- addAntecedent(normalExitLabel, currentFlow);
- }
- currentReturnTarget = saveReturnTarget;
- currentExceptionTarget = saveExceptionTarget;
- if (node.finallyBlock) {
- // Possible ways control can reach the finally block:
- // 1) Normal completion of try block of a try-finally or try-catch-finally
- // 2) Normal completion of catch block (following exception in try block) of a try-catch-finally
- // 3) Return in try or catch block of a try-finally or try-catch-finally
- // 4) Exception in try block of a try-finally
- // 5) Exception in catch block of a try-catch-finally
- // When analyzing a control flow graph that starts inside a finally block we want to consider all
- // five possibilities above. However, when analyzing a control flow graph that starts outside (past)
- // the finally block, we only want to consider the first two (if we're past a finally block then it
- // must have completed normally). Likewise, when analyzing a control flow graph from return statements
- // in try or catch blocks in an IIFE, we only want to consider the third. To make this possible, we
- // inject a ReduceLabel node into the control flow graph. This node contains an alternate reduced
- // set of antecedents for the pre-finally label. As control flow analysis passes by a ReduceLabel
- // node, the pre-finally label is temporarily switched to the reduced antecedent set.
- var finallyLabel = createBranchLabel();
- finallyLabel.antecedents = ts.concatenate(ts.concatenate(normalExitLabel.antecedents, exceptionLabel.antecedents), returnLabel.antecedents);
- currentFlow = finallyLabel;
- bind(node.finallyBlock);
- if (currentFlow.flags & 1 /* Unreachable */) {
- // If the end of the finally block is unreachable, the end of the entire try statement is unreachable.
- currentFlow = unreachableFlow;
- }
- else {
- // If we have an IIFE return target and return statements in the try or catch blocks, add a control
- // flow that goes back through the finally block and back through only the return statements.
- if (currentReturnTarget && returnLabel.antecedents) {
- addAntecedent(currentReturnTarget, createReduceLabel(finallyLabel, returnLabel.antecedents, currentFlow));
- }
- // If the end of the finally block is reachable, but the end of the try and catch blocks are not,
- // convert the current flow to unreachable. For example, 'try { return 1; } finally { ... }' should
- // result in an unreachable current control flow.
- currentFlow = normalExitLabel.antecedents ? createReduceLabel(finallyLabel, normalExitLabel.antecedents, currentFlow) : unreachableFlow;
- }
- }
- else {
- currentFlow = finishFlowLabel(normalExitLabel);
- }
- }
- function bindSwitchStatement(node) {
- var postSwitchLabel = createBranchLabel();
- bind(node.expression);
- var saveBreakTarget = currentBreakTarget;
- var savePreSwitchCaseFlow = preSwitchCaseFlow;
- currentBreakTarget = postSwitchLabel;
- preSwitchCaseFlow = currentFlow;
- bind(node.caseBlock);
- addAntecedent(postSwitchLabel, currentFlow);
- var hasDefault = ts.forEach(node.caseBlock.clauses, function (c) { return c.kind === 278 /* DefaultClause */; });
- // We mark a switch statement as possibly exhaustive if it has no default clause and if all
- // case clauses have unreachable end points (e.g. they all return). Note, we no longer need
- // this property in control flow analysis, it's there only for backwards compatibility.
- node.possiblyExhaustive = !hasDefault && !postSwitchLabel.antecedents;
- if (!hasDefault) {
- addAntecedent(postSwitchLabel, createFlowSwitchClause(preSwitchCaseFlow, node, 0, 0));
- }
- currentBreakTarget = saveBreakTarget;
- preSwitchCaseFlow = savePreSwitchCaseFlow;
- currentFlow = finishFlowLabel(postSwitchLabel);
- }
- function bindCaseBlock(node) {
- var savedSubtreeTransformFlags = subtreeTransformFlags;
- subtreeTransformFlags = 0;
- var clauses = node.clauses;
- var isNarrowingSwitch = isNarrowingExpression(node.parent.expression);
- var fallthroughFlow = unreachableFlow;
- for (var i = 0; i < clauses.length; i++) {
- var clauseStart = i;
- while (!clauses[i].statements.length && i + 1 < clauses.length) {
- bind(clauses[i]);
- i++;
- }
- var preCaseLabel = createBranchLabel();
- addAntecedent(preCaseLabel, isNarrowingSwitch ? createFlowSwitchClause(preSwitchCaseFlow, node.parent, clauseStart, i + 1) : preSwitchCaseFlow);
- addAntecedent(preCaseLabel, fallthroughFlow);
- currentFlow = finishFlowLabel(preCaseLabel);
- var clause = clauses[i];
- bind(clause);
- fallthroughFlow = currentFlow;
- if (!(currentFlow.flags & 1 /* Unreachable */) && i !== clauses.length - 1 && options.noFallthroughCasesInSwitch) {
- clause.fallthroughFlowNode = currentFlow;
- }
- }
- clauses.transformFlags = subtreeTransformFlags | 536870912 /* HasComputedFlags */;
- subtreeTransformFlags |= savedSubtreeTransformFlags;
- }
- function bindCaseClause(node) {
- var saveCurrentFlow = currentFlow;
- currentFlow = preSwitchCaseFlow;
- bind(node.expression);
- currentFlow = saveCurrentFlow;
- bindEach(node.statements);
- }
- function bindExpressionStatement(node) {
- bind(node.expression);
- // A top level call expression with a dotted function name and at least one argument
- // is potentially an assertion and is therefore included in the control flow.
- if (node.expression.kind === 196 /* CallExpression */) {
- var call = node.expression;
- if (ts.isDottedName(call.expression)) {
- currentFlow = createFlowCall(currentFlow, call);
- }
- }
- }
- function bindLabeledStatement(node) {
- var postStatementLabel = createBranchLabel();
- activeLabelList = {
- next: activeLabelList,
- name: node.label.escapedText,
- breakTarget: postStatementLabel,
- continueTarget: undefined,
- referenced: false
- };
- bind(node.label);
- bind(node.statement);
- if (!activeLabelList.referenced && !options.allowUnusedLabels) {
- errorOrSuggestionOnNode(ts.unusedLabelIsError(options), node.label, ts.Diagnostics.Unused_label);
- }
- activeLabelList = activeLabelList.next;
- addAntecedent(postStatementLabel, currentFlow);
- currentFlow = finishFlowLabel(postStatementLabel);
- }
- function bindDestructuringTargetFlow(node) {
- if (node.kind === 209 /* BinaryExpression */ && node.operatorToken.kind === 62 /* EqualsToken */) {
- bindAssignmentTargetFlow(node.left);
- }
- else {
- bindAssignmentTargetFlow(node);
- }
- }
- function bindAssignmentTargetFlow(node) {
- if (isNarrowableReference(node)) {
- currentFlow = createFlowMutation(16 /* Assignment */, currentFlow, node);
- }
- else if (node.kind === 192 /* ArrayLiteralExpression */) {
- for (var _i = 0, _a = node.elements; _i < _a.length; _i++) {
- var e = _a[_i];
- if (e.kind === 213 /* SpreadElement */) {
- bindAssignmentTargetFlow(e.expression);
- }
- else {
- bindDestructuringTargetFlow(e);
- }
- }
- }
- else if (node.kind === 193 /* ObjectLiteralExpression */) {
- for (var _b = 0, _c = node.properties; _b < _c.length; _b++) {
- var p = _c[_b];
- if (p.kind === 281 /* PropertyAssignment */) {
- bindDestructuringTargetFlow(p.initializer);
- }
- else if (p.kind === 282 /* ShorthandPropertyAssignment */) {
- bindAssignmentTargetFlow(p.name);
- }
- else if (p.kind === 283 /* SpreadAssignment */) {
- bindAssignmentTargetFlow(p.expression);
- }
- }
- }
- }
- function bindLogicalExpression(node, trueTarget, falseTarget) {
- var preRightLabel = createBranchLabel();
- if (node.operatorToken.kind === 55 /* AmpersandAmpersandToken */) {
- bindCondition(node.left, preRightLabel, falseTarget);
- }
- else {
- bindCondition(node.left, trueTarget, preRightLabel);
- }
- currentFlow = finishFlowLabel(preRightLabel);
- bind(node.operatorToken);
- bindCondition(node.right, trueTarget, falseTarget);
- }
- function bindPrefixUnaryExpressionFlow(node) {
- if (node.operator === 53 /* ExclamationToken */) {
- var saveTrueTarget = currentTrueTarget;
- currentTrueTarget = currentFalseTarget;
- currentFalseTarget = saveTrueTarget;
- bindEachChild(node);
- currentFalseTarget = currentTrueTarget;
- currentTrueTarget = saveTrueTarget;
- }
- else {
- bindEachChild(node);
- if (node.operator === 45 /* PlusPlusToken */ || node.operator === 46 /* MinusMinusToken */) {
- bindAssignmentTargetFlow(node.operand);
- }
- }
- }
- function bindPostfixUnaryExpressionFlow(node) {
- bindEachChild(node);
- if (node.operator === 45 /* PlusPlusToken */ || node.operator === 46 /* MinusMinusToken */) {
- bindAssignmentTargetFlow(node.operand);
- }
- }
- var BindBinaryExpressionFlowState;
- (function (BindBinaryExpressionFlowState) {
- BindBinaryExpressionFlowState[BindBinaryExpressionFlowState["BindThenBindChildren"] = 0] = "BindThenBindChildren";
- BindBinaryExpressionFlowState[BindBinaryExpressionFlowState["MaybeBindLeft"] = 1] = "MaybeBindLeft";
- BindBinaryExpressionFlowState[BindBinaryExpressionFlowState["BindToken"] = 2] = "BindToken";
- BindBinaryExpressionFlowState[BindBinaryExpressionFlowState["BindRight"] = 3] = "BindRight";
- BindBinaryExpressionFlowState[BindBinaryExpressionFlowState["FinishBind"] = 4] = "FinishBind";
- })(BindBinaryExpressionFlowState || (BindBinaryExpressionFlowState = {}));
- function bindBinaryExpressionFlow(node) {
- var workStacks = {
- expr: [node],
- state: [1 /* MaybeBindLeft */],
- inStrictMode: [undefined],
- parent: [undefined],
- subtreeFlags: [undefined]
- };
- var stackIndex = 0;
- while (stackIndex >= 0) {
- node = workStacks.expr[stackIndex];
- switch (workStacks.state[stackIndex]) {
- case 0 /* BindThenBindChildren */: {
- // This state is used only when recuring, to emulate the work that `bind` does before
- // reaching `bindChildren`. A normal call to `bindBinaryExpressionFlow` will already have done this work.
- node.parent = parent;
- var saveInStrictMode = inStrictMode;
- bindWorker(node);
- var saveParent = parent;
- parent = node;
- var subtreeFlagsState = void 0;
- // While this next part does the work of `bindChildren` before it descends into `bindChildrenWorker`
- // and uses `subtreeFlagsState` to queue up the work that needs to be done once the node is bound.
- if (skipTransformFlagAggregation) {
- // do nothing extra
- }
- else if (node.transformFlags & 536870912 /* HasComputedFlags */) {
- skipTransformFlagAggregation = true;
- subtreeFlagsState = -1;
- }
- else {
- var savedSubtreeTransformFlags = subtreeTransformFlags;
- subtreeTransformFlags = 0;
- subtreeFlagsState = savedSubtreeTransformFlags;
- }
- advanceState(1 /* MaybeBindLeft */, saveInStrictMode, saveParent, subtreeFlagsState);
- break;
- }
- case 1 /* MaybeBindLeft */: {
- var operator = node.operatorToken.kind;
- // TODO: bindLogicalExpression is recursive - if we want to handle deeply nested `&&` expressions
- // we'll need to handle the `bindLogicalExpression` scenarios in this state machine, too
- // For now, though, since the common cases are chained `+`, leaving it recursive is fine
- if (operator === 55 /* AmpersandAmpersandToken */ || operator === 56 /* BarBarToken */ || operator === 60 /* QuestionQuestionToken */) {
- if (isTopLevelLogicalExpression(node)) {
- var postExpressionLabel = createBranchLabel();
- bindLogicalExpression(node, postExpressionLabel, postExpressionLabel);
- currentFlow = finishFlowLabel(postExpressionLabel);
- }
- else {
- bindLogicalExpression(node, currentTrueTarget, currentFalseTarget);
- }
- completeNode();
- }
- else {
- advanceState(2 /* BindToken */);
- maybeBind(node.left);
- }
- break;
- }
- case 2 /* BindToken */: {
- advanceState(3 /* BindRight */);
- maybeBind(node.operatorToken);
- break;
- }
- case 3 /* BindRight */: {
- advanceState(4 /* FinishBind */);
- maybeBind(node.right);
- break;
- }
- case 4 /* FinishBind */: {
- var operator = node.operatorToken.kind;
- if (ts.isAssignmentOperator(operator) && !ts.isAssignmentTarget(node)) {
- bindAssignmentTargetFlow(node.left);
- if (operator === 62 /* EqualsToken */ && node.left.kind === 195 /* ElementAccessExpression */) {
- var elementAccess = node.left;
- if (isNarrowableOperand(elementAccess.expression)) {
- currentFlow = createFlowMutation(256 /* ArrayMutation */, currentFlow, node);
- }
- }
- }
- completeNode();
- break;
- }
- default: return ts.Debug.fail("Invalid state " + workStacks.state[stackIndex] + " for bindBinaryExpressionFlow");
- }
- }
- /**
- * Note that `advanceState` sets the _current_ head state, and that `maybeBind` potentially pushes on a new
- * head state; so `advanceState` must be called before any `maybeBind` during a state's execution.
- */
- function advanceState(state, isInStrictMode, parent, subtreeFlags) {
- workStacks.state[stackIndex] = state;
- if (isInStrictMode !== undefined) {
- workStacks.inStrictMode[stackIndex] = isInStrictMode;
- }
- if (parent !== undefined) {
- workStacks.parent[stackIndex] = parent;
- }
- if (subtreeFlags !== undefined) {
- workStacks.subtreeFlags[stackIndex] = subtreeFlags;
- }
- }
- function completeNode() {
- if (workStacks.inStrictMode[stackIndex] !== undefined) {
- if (workStacks.subtreeFlags[stackIndex] === -1) {
- skipTransformFlagAggregation = false;
- subtreeTransformFlags |= node.transformFlags & ~getTransformFlagsSubtreeExclusions(node.kind);
- }
- else if (workStacks.subtreeFlags[stackIndex] !== undefined) {
- subtreeTransformFlags = workStacks.subtreeFlags[stackIndex] | computeTransformFlagsForNode(node, subtreeTransformFlags);
- }
- inStrictMode = workStacks.inStrictMode[stackIndex];
- parent = workStacks.parent[stackIndex];
- }
- stackIndex--;
- }
- /**
- * If `node` is a BinaryExpression, adds it to the local work stack, otherwise recursively binds it
- */
- function maybeBind(node) {
- if (node && ts.isBinaryExpression(node)) {
- stackIndex++;
- workStacks.expr[stackIndex] = node;
- workStacks.state[stackIndex] = 0 /* BindThenBindChildren */;
- workStacks.inStrictMode[stackIndex] = undefined;
- workStacks.parent[stackIndex] = undefined;
- workStacks.subtreeFlags[stackIndex] = undefined;
- }
- else {
- bind(node);
- }
- }
- }
- function bindDeleteExpressionFlow(node) {
- bindEachChild(node);
- if (node.expression.kind === 194 /* PropertyAccessExpression */) {
- bindAssignmentTargetFlow(node.expression);
- }
- }
- function bindConditionalExpressionFlow(node) {
- var trueLabel = createBranchLabel();
- var falseLabel = createBranchLabel();
- var postExpressionLabel = createBranchLabel();
- bindCondition(node.condition, trueLabel, falseLabel);
- currentFlow = finishFlowLabel(trueLabel);
- bind(node.questionToken);
- bind(node.whenTrue);
- addAntecedent(postExpressionLabel, currentFlow);
- currentFlow = finishFlowLabel(falseLabel);
- bind(node.colonToken);
- bind(node.whenFalse);
- addAntecedent(postExpressionLabel, currentFlow);
- currentFlow = finishFlowLabel(postExpressionLabel);
- }
- function bindInitializedVariableFlow(node) {
- var name = !ts.isOmittedExpression(node) ? node.name : undefined;
- if (ts.isBindingPattern(name)) {
- for (var _i = 0, _a = name.elements; _i < _a.length; _i++) {
- var child = _a[_i];
- bindInitializedVariableFlow(child);
- }
- }
- else {
- currentFlow = createFlowMutation(16 /* Assignment */, currentFlow, node);
- }
- }
- function bindVariableDeclarationFlow(node) {
- bindEachChild(node);
- if (node.initializer || ts.isForInOrOfStatement(node.parent.parent)) {
- bindInitializedVariableFlow(node);
- }
- }
- function bindJSDocTypeAlias(node) {
- node.tagName.parent = node;
- if (node.kind !== 316 /* JSDocEnumTag */ && node.fullName) {
- setParentPointers(node, node.fullName);
- }
- }
- function bindJSDocClassTag(node) {
- bindEachChild(node);
- var host = ts.getHostSignatureFromJSDoc(node);
- if (host && host.kind !== 161 /* MethodDeclaration */) {
- addDeclarationToSymbol(host.symbol, host, 32 /* Class */);
- }
- }
- function bindOptionalExpression(node, trueTarget, falseTarget) {
- doWithConditionalBranches(bind, node, trueTarget, falseTarget);
- if (!ts.isOptionalChain(node) || ts.isOutermostOptionalChain(node)) {
- addAntecedent(trueTarget, createFlowCondition(32 /* TrueCondition */, currentFlow, node));
- addAntecedent(falseTarget, createFlowCondition(64 /* FalseCondition */, currentFlow, node));
- }
- }
- function bindOptionalChainRest(node) {
- switch (node.kind) {
- case 194 /* PropertyAccessExpression */:
- bind(node.questionDotToken);
- bind(node.name);
- break;
- case 195 /* ElementAccessExpression */:
- bind(node.questionDotToken);
- bind(node.argumentExpression);
- break;
- case 196 /* CallExpression */:
- bind(node.questionDotToken);
- bindEach(node.typeArguments);
- bindEach(node.arguments);
- break;
- }
- }
- function bindOptionalChain(node, trueTarget, falseTarget) {
- // For an optional chain, we emulate the behavior of a logical expression:
- //
- // a?.b -> a && a.b
- // a?.b.c -> a && a.b.c
- // a?.b?.c -> a && a.b && a.b.c
- // a?.[x = 1] -> a && a[x = 1]
- //
- // To do this we descend through the chain until we reach the root of a chain (the expression with a `?.`)
- // and build it's CFA graph as if it were the first condition (`a && ...`). Then we bind the rest
- // of the node as part of the "true" branch, and continue to do so as we ascend back up to the outermost
- // chain node. We then treat the entire node as the right side of the expression.
- var preChainLabel = ts.isOptionalChainRoot(node) ? createBranchLabel() : undefined;
- bindOptionalExpression(node.expression, preChainLabel || trueTarget, falseTarget);
- if (preChainLabel) {
- currentFlow = finishFlowLabel(preChainLabel);
- }
- doWithConditionalBranches(bindOptionalChainRest, node, trueTarget, falseTarget);
- if (ts.isOutermostOptionalChain(node)) {
- addAntecedent(trueTarget, createFlowCondition(32 /* TrueCondition */, currentFlow, node));
- addAntecedent(falseTarget, createFlowCondition(64 /* FalseCondition */, currentFlow, node));
- }
- }
- function bindOptionalChainFlow(node) {
- if (isTopLevelLogicalExpression(node)) {
- var postExpressionLabel = createBranchLabel();
- bindOptionalChain(node, postExpressionLabel, postExpressionLabel);
- currentFlow = finishFlowLabel(postExpressionLabel);
- }
- else {
- bindOptionalChain(node, currentTrueTarget, currentFalseTarget);
- }
- }
- function bindNonNullExpressionFlow(node) {
- if (ts.isOptionalChain(node)) {
- bindOptionalChainFlow(node);
- }
- else {
- bindEachChild(node);
- }
- }
- function bindAccessExpressionFlow(node) {
- if (ts.isOptionalChain(node)) {
- bindOptionalChainFlow(node);
- }
- else {
- bindEachChild(node);
- }
- }
- function bindCallExpressionFlow(node) {
- if (ts.isOptionalChain(node)) {
- bindOptionalChainFlow(node);
- }
- else {
- // If the target of the call expression is a function expression or arrow function we have
- // an immediately invoked function expression (IIFE). Initialize the flowNode property to
- // the current control flow (which includes evaluation of the IIFE arguments).
- var expr = ts.skipParentheses(node.expression);
- if (expr.kind === 201 /* FunctionExpression */ || expr.kind === 202 /* ArrowFunction */) {
- bindEach(node.typeArguments);
- bindEach(node.arguments);
- bind(node.expression);
- }
- else {
- bindEachChild(node);
- }
- }
- if (node.expression.kind === 194 /* PropertyAccessExpression */) {
- var propertyAccess = node.expression;
- if (ts.isIdentifier(propertyAccess.name) && isNarrowableOperand(propertyAccess.expression) && ts.isPushOrUnshiftIdentifier(propertyAccess.name)) {
- currentFlow = createFlowMutation(256 /* ArrayMutation */, currentFlow, node);
- }
- }
- }
- function getContainerFlags(node) {
- switch (node.kind) {
- case 214 /* ClassExpression */:
- case 245 /* ClassDeclaration */:
- case 248 /* EnumDeclaration */:
- case 193 /* ObjectLiteralExpression */:
- case 173 /* TypeLiteral */:
- case 304 /* JSDocTypeLiteral */:
- case 274 /* JsxAttributes */:
- return 1 /* IsContainer */;
- case 246 /* InterfaceDeclaration */:
- return 1 /* IsContainer */ | 64 /* IsInterface */;
- case 249 /* ModuleDeclaration */:
- case 247 /* TypeAliasDeclaration */:
- case 186 /* MappedType */:
- return 1 /* IsContainer */ | 32 /* HasLocals */;
- case 290 /* SourceFile */:
- return 1 /* IsContainer */ | 4 /* IsControlFlowContainer */ | 32 /* HasLocals */;
- case 161 /* MethodDeclaration */:
- if (ts.isObjectLiteralOrClassExpressionMethod(node)) {
- return 1 /* IsContainer */ | 4 /* IsControlFlowContainer */ | 32 /* HasLocals */ | 8 /* IsFunctionLike */ | 128 /* IsObjectLiteralOrClassExpressionMethod */;
- }
- // falls through
- case 162 /* Constructor */:
- case 244 /* FunctionDeclaration */:
- case 160 /* MethodSignature */:
- case 163 /* GetAccessor */:
- case 164 /* SetAccessor */:
- case 165 /* CallSignature */:
- case 305 /* JSDocSignature */:
- case 300 /* JSDocFunctionType */:
- case 170 /* FunctionType */:
- case 166 /* ConstructSignature */:
- case 167 /* IndexSignature */:
- case 171 /* ConstructorType */:
- return 1 /* IsContainer */ | 4 /* IsControlFlowContainer */ | 32 /* HasLocals */ | 8 /* IsFunctionLike */;
- case 201 /* FunctionExpression */:
- case 202 /* ArrowFunction */:
- return 1 /* IsContainer */ | 4 /* IsControlFlowContainer */ | 32 /* HasLocals */ | 8 /* IsFunctionLike */ | 16 /* IsFunctionExpression */;
- case 250 /* ModuleBlock */:
- return 4 /* IsControlFlowContainer */;
- case 159 /* PropertyDeclaration */:
- return node.initializer ? 4 /* IsControlFlowContainer */ : 0;
- case 280 /* CatchClause */:
- case 230 /* ForStatement */:
- case 231 /* ForInStatement */:
- case 232 /* ForOfStatement */:
- case 251 /* CaseBlock */:
- return 2 /* IsBlockScopedContainer */;
- case 223 /* Block */:
- // do not treat blocks directly inside a function as a block-scoped-container.
- // Locals that reside in this block should go to the function locals. Otherwise 'x'
- // would not appear to be a redeclaration of a block scoped local in the following
- // example:
- //
- // function foo() {
- // var x;
- // let x;
- // }
- //
- // If we placed 'var x' into the function locals and 'let x' into the locals of
- // the block, then there would be no collision.
- //
- // By not creating a new block-scoped-container here, we ensure that both 'var x'
- // and 'let x' go into the Function-container's locals, and we do get a collision
- // conflict.
- return ts.isFunctionLike(node.parent) ? 0 /* None */ : 2 /* IsBlockScopedContainer */;
- }
- return 0 /* None */;
- }
- function addToContainerChain(next) {
- if (lastContainer) {
- lastContainer.nextContainer = next;
- }
- lastContainer = next;
- }
- function declareSymbolAndAddToSymbolTable(node, symbolFlags, symbolExcludes) {
- switch (container.kind) {
- // Modules, source files, and classes need specialized handling for how their
- // members are declared (for example, a member of a class will go into a specific
- // symbol table depending on if it is static or not). We defer to specialized
- // handlers to take care of declaring these child members.
- case 249 /* ModuleDeclaration */:
- return declareModuleMember(node, symbolFlags, symbolExcludes);
- case 290 /* SourceFile */:
- return declareSourceFileMember(node, symbolFlags, symbolExcludes);
- case 214 /* ClassExpression */:
- case 245 /* ClassDeclaration */:
- return declareClassMember(node, symbolFlags, symbolExcludes);
- case 248 /* EnumDeclaration */:
- return declareSymbol(container.symbol.exports, container.symbol, node, symbolFlags, symbolExcludes);
- case 173 /* TypeLiteral */:
- case 304 /* JSDocTypeLiteral */:
- case 193 /* ObjectLiteralExpression */:
- case 246 /* InterfaceDeclaration */:
- case 274 /* JsxAttributes */:
- // Interface/Object-types always have their children added to the 'members' of
- // their container. They are only accessible through an instance of their
- // container, and are never in scope otherwise (even inside the body of the
- // object / type / interface declaring them). An exception is type parameters,
- // which are in scope without qualification (similar to 'locals').
- return declareSymbol(container.symbol.members, container.symbol, node, symbolFlags, symbolExcludes);
- case 170 /* FunctionType */:
- case 171 /* ConstructorType */:
- case 165 /* CallSignature */:
- case 166 /* ConstructSignature */:
- case 305 /* JSDocSignature */:
- case 167 /* IndexSignature */:
- case 161 /* MethodDeclaration */:
- case 160 /* MethodSignature */:
- case 162 /* Constructor */:
- case 163 /* GetAccessor */:
- case 164 /* SetAccessor */:
- case 244 /* FunctionDeclaration */:
- case 201 /* FunctionExpression */:
- case 202 /* ArrowFunction */:
- case 300 /* JSDocFunctionType */:
- case 322 /* JSDocTypedefTag */:
- case 315 /* JSDocCallbackTag */:
- case 247 /* TypeAliasDeclaration */:
- case 186 /* MappedType */:
- // All the children of these container types are never visible through another
- // symbol (i.e. through another symbol's 'exports' or 'members'). Instead,
- // they're only accessed 'lexically' (i.e. from code that exists underneath
- // their container in the tree). To accomplish this, we simply add their declared
- // symbol to the 'locals' of the container. These symbols can then be found as
- // the type checker walks up the containers, checking them for matching names.
- return declareSymbol(container.locals, /*parent*/ undefined, node, symbolFlags, symbolExcludes);
- }
- }
- function declareClassMember(node, symbolFlags, symbolExcludes) {
- return ts.hasModifier(node, 32 /* Static */)
- ? declareSymbol(container.symbol.exports, container.symbol, node, symbolFlags, symbolExcludes)
- : declareSymbol(container.symbol.members, container.symbol, node, symbolFlags, symbolExcludes);
- }
- function declareSourceFileMember(node, symbolFlags, symbolExcludes) {
- return ts.isExternalModule(file)
- ? declareModuleMember(node, symbolFlags, symbolExcludes)
- : declareSymbol(file.locals, /*parent*/ undefined, node, symbolFlags, symbolExcludes);
- }
- function hasExportDeclarations(node) {
- var body = ts.isSourceFile(node) ? node : ts.tryCast(node.body, ts.isModuleBlock);
- return !!body && body.statements.some(function (s) { return ts.isExportDeclaration(s) || ts.isExportAssignment(s); });
- }
- function setExportContextFlag(node) {
- // A declaration source file or ambient module declaration that contains no export declarations (but possibly regular
- // declarations with export modifiers) is an export context in which declarations are implicitly exported.
- if (node.flags & 8388608 /* Ambient */ && !hasExportDeclarations(node)) {
- node.flags |= 64 /* ExportContext */;
- }
- else {
- node.flags &= ~64 /* ExportContext */;
- }
- }
- function bindModuleDeclaration(node) {
- setExportContextFlag(node);
- if (ts.isAmbientModule(node)) {
- if (ts.hasModifier(node, 1 /* Export */)) {
- errorOnFirstToken(node, ts.Diagnostics.export_modifier_cannot_be_applied_to_ambient_modules_and_module_augmentations_since_they_are_always_visible);
- }
- if (ts.isModuleAugmentationExternal(node)) {
- declareModuleSymbol(node);
- }
- else {
- var pattern = void 0;
- if (node.name.kind === 10 /* StringLiteral */) {
- var text = node.name.text;
- if (ts.hasZeroOrOneAsteriskCharacter(text)) {
- pattern = ts.tryParsePattern(text);
- }
- else {
- errorOnFirstToken(node.name, ts.Diagnostics.Pattern_0_can_have_at_most_one_Asterisk_character, text);
- }
- }
- var symbol = declareSymbolAndAddToSymbolTable(node, 512 /* ValueModule */, 110735 /* ValueModuleExcludes */);
- file.patternAmbientModules = ts.append(file.patternAmbientModules, pattern && { pattern: pattern, symbol: symbol });
- }
- }
- else {
- var state = declareModuleSymbol(node);
- if (state !== 0 /* NonInstantiated */) {
- var symbol = node.symbol;
- // if module was already merged with some function, class or non-const enum, treat it as non-const-enum-only
- symbol.constEnumOnlyModule = (!(symbol.flags & (16 /* Function */ | 32 /* Class */ | 256 /* RegularEnum */)))
- // Current must be `const enum` only
- && state === 2 /* ConstEnumOnly */
- // Can't have been set to 'false' in a previous merged symbol. ('undefined' OK)
- && symbol.constEnumOnlyModule !== false;
- }
- }
- }
- function declareModuleSymbol(node) {
- var state = getModuleInstanceState(node);
- var instantiated = state !== 0 /* NonInstantiated */;
- declareSymbolAndAddToSymbolTable(node, instantiated ? 512 /* ValueModule */ : 1024 /* NamespaceModule */, instantiated ? 110735 /* ValueModuleExcludes */ : 0 /* NamespaceModuleExcludes */);
- return state;
- }
- function bindFunctionOrConstructorType(node) {
- // For a given function symbol "<...>(...) => T" we want to generate a symbol identical
- // to the one we would get for: { <...>(...): T }
- //
- // We do that by making an anonymous type literal symbol, and then setting the function
- // symbol as its sole member. To the rest of the system, this symbol will be indistinguishable
- // from an actual type literal symbol you would have gotten had you used the long form.
- var symbol = createSymbol(131072 /* Signature */, getDeclarationName(node)); // TODO: GH#18217
- addDeclarationToSymbol(symbol, node, 131072 /* Signature */);
- var typeLiteralSymbol = createSymbol(2048 /* TypeLiteral */, "__type" /* Type */);
- addDeclarationToSymbol(typeLiteralSymbol, node, 2048 /* TypeLiteral */);
- typeLiteralSymbol.members = ts.createSymbolTable();
- typeLiteralSymbol.members.set(symbol.escapedName, symbol);
- }
- function bindObjectLiteralExpression(node) {
- var ElementKind;
- (function (ElementKind) {
- ElementKind[ElementKind["Property"] = 1] = "Property";
- ElementKind[ElementKind["Accessor"] = 2] = "Accessor";
- })(ElementKind || (ElementKind = {}));
- if (inStrictMode && !ts.isAssignmentTarget(node)) {
- var seen = ts.createUnderscoreEscapedMap();
- for (var _i = 0, _a = node.properties; _i < _a.length; _i++) {
- var prop = _a[_i];
- if (prop.kind === 283 /* SpreadAssignment */ || prop.name.kind !== 75 /* Identifier */) {
- continue;
- }
- var identifier = prop.name;
- // ECMA-262 11.1.5 Object Initializer
- // If previous is not undefined then throw a SyntaxError exception if any of the following conditions are true
- // a.This production is contained in strict code and IsDataDescriptor(previous) is true and
- // IsDataDescriptor(propId.descriptor) is true.
- // b.IsDataDescriptor(previous) is true and IsAccessorDescriptor(propId.descriptor) is true.
- // c.IsAccessorDescriptor(previous) is true and IsDataDescriptor(propId.descriptor) is true.
- // d.IsAccessorDescriptor(previous) is true and IsAccessorDescriptor(propId.descriptor) is true
- // and either both previous and propId.descriptor have[[Get]] fields or both previous and propId.descriptor have[[Set]] fields
- var currentKind = prop.kind === 281 /* PropertyAssignment */ || prop.kind === 282 /* ShorthandPropertyAssignment */ || prop.kind === 161 /* MethodDeclaration */
- ? 1 /* Property */
- : 2 /* Accessor */;
- var existingKind = seen.get(identifier.escapedText);
- if (!existingKind) {
- seen.set(identifier.escapedText, currentKind);
- continue;
- }
- if (currentKind === 1 /* Property */ && existingKind === 1 /* Property */) {
- var span = ts.getErrorSpanForNode(file, identifier);
- file.bindDiagnostics.push(ts.createFileDiagnostic(file, span.start, span.length, ts.Diagnostics.An_object_literal_cannot_have_multiple_properties_with_the_same_name_in_strict_mode));
- }
- }
- }
- return bindAnonymousDeclaration(node, 4096 /* ObjectLiteral */, "__object" /* Object */);
- }
- function bindJsxAttributes(node) {
- return bindAnonymousDeclaration(node, 4096 /* ObjectLiteral */, "__jsxAttributes" /* JSXAttributes */);
- }
- function bindJsxAttribute(node, symbolFlags, symbolExcludes) {
- return declareSymbolAndAddToSymbolTable(node, symbolFlags, symbolExcludes);
- }
- function bindAnonymousDeclaration(node, symbolFlags, name) {
- var symbol = createSymbol(symbolFlags, name);
- if (symbolFlags & (8 /* EnumMember */ | 106500 /* ClassMember */)) {
- symbol.parent = container.symbol;
- }
- addDeclarationToSymbol(symbol, node, symbolFlags);
- return symbol;
- }
- function bindBlockScopedDeclaration(node, symbolFlags, symbolExcludes) {
- switch (blockScopeContainer.kind) {
- case 249 /* ModuleDeclaration */:
- declareModuleMember(node, symbolFlags, symbolExcludes);
- break;
- case 290 /* SourceFile */:
- if (ts.isExternalOrCommonJsModule(container)) {
- declareModuleMember(node, symbolFlags, symbolExcludes);
- break;
- }
- // falls through
- default:
- if (!blockScopeContainer.locals) {
- blockScopeContainer.locals = ts.createSymbolTable();
- addToContainerChain(blockScopeContainer);
- }
- declareSymbol(blockScopeContainer.locals, /*parent*/ undefined, node, symbolFlags, symbolExcludes);
- }
- }
- function delayedBindJSDocTypedefTag() {
- if (!delayedTypeAliases) {
- return;
- }
- var saveContainer = container;
- var saveLastContainer = lastContainer;
- var saveBlockScopeContainer = blockScopeContainer;
- var saveParent = parent;
- var saveCurrentFlow = currentFlow;
- for (var _i = 0, delayedTypeAliases_1 = delayedTypeAliases; _i < delayedTypeAliases_1.length; _i++) {
- var typeAlias = delayedTypeAliases_1[_i];
- var host = ts.getJSDocHost(typeAlias);
- container = ts.findAncestor(host.parent, function (n) { return !!(getContainerFlags(n) & 1 /* IsContainer */); }) || file;
- blockScopeContainer = ts.getEnclosingBlockScopeContainer(host) || file;
- currentFlow = initFlowNode({ flags: 2 /* Start */ });
- parent = typeAlias;
- bind(typeAlias.typeExpression);
- var declName = ts.getNameOfDeclaration(typeAlias);
- if ((ts.isJSDocEnumTag(typeAlias) || !typeAlias.fullName) && declName && ts.isPropertyAccessEntityNameExpression(declName.parent)) {
- // typedef anchored to an A.B.C assignment - we need to bind into B's namespace under name C
- var isTopLevel = isTopLevelNamespaceAssignment(declName.parent);
- if (isTopLevel) {
- bindPotentiallyMissingNamespaces(file.symbol, declName.parent, isTopLevel, !!ts.findAncestor(declName, function (d) { return ts.isPropertyAccessExpression(d) && d.name.escapedText === "prototype"; }), /*containerIsClass*/ false);
- var oldContainer = container;
- switch (ts.getAssignmentDeclarationPropertyAccessKind(declName.parent)) {
- case 1 /* ExportsProperty */:
- case 2 /* ModuleExports */:
- if (!ts.isExternalOrCommonJsModule(file)) {
- container = undefined;
- }
- else {
- container = file;
- }
- break;
- case 4 /* ThisProperty */:
- container = declName.parent.expression;
- break;
- case 3 /* PrototypeProperty */:
- container = declName.parent.expression.name;
- break;
- case 5 /* Property */:
- container = isExportsOrModuleExportsOrAlias(file, declName.parent.expression) ? file
- : ts.isPropertyAccessExpression(declName.parent.expression) ? declName.parent.expression.name
- : declName.parent.expression;
- break;
- case 0 /* None */:
- return ts.Debug.fail("Shouldn't have detected typedef or enum on non-assignment declaration");
- }
- if (container) {
- declareModuleMember(typeAlias, 524288 /* TypeAlias */, 788968 /* TypeAliasExcludes */);
- }
- container = oldContainer;
- }
- }
- else if (ts.isJSDocEnumTag(typeAlias) || !typeAlias.fullName || typeAlias.fullName.kind === 75 /* Identifier */) {
- parent = typeAlias.parent;
- bindBlockScopedDeclaration(typeAlias, 524288 /* TypeAlias */, 788968 /* TypeAliasExcludes */);
- }
- else {
- bind(typeAlias.fullName);
- }
- }
- container = saveContainer;
- lastContainer = saveLastContainer;
- blockScopeContainer = saveBlockScopeContainer;
- parent = saveParent;
- currentFlow = saveCurrentFlow;
- }
- // The binder visits every node in the syntax tree so it is a convenient place to perform a single localized
- // check for reserved words used as identifiers in strict mode code.
- function checkStrictModeIdentifier(node) {
- if (inStrictMode &&
- node.originalKeywordKind >= 113 /* FirstFutureReservedWord */ &&
- node.originalKeywordKind <= 121 /* LastFutureReservedWord */ &&
- !ts.isIdentifierName(node) &&
- !(node.flags & 8388608 /* Ambient */) &&
- !(node.flags & 4194304 /* JSDoc */)) {
- // Report error only if there are no parse errors in file
- if (!file.parseDiagnostics.length) {
- file.bindDiagnostics.push(createDiagnosticForNode(node, getStrictModeIdentifierMessage(node), ts.declarationNameToString(node)));
- }
- }
- }
- function getStrictModeIdentifierMessage(node) {
- // Provide specialized messages to help the user understand why we think they're in
- // strict mode.
- if (ts.getContainingClass(node)) {
- return ts.Diagnostics.Identifier_expected_0_is_a_reserved_word_in_strict_mode_Class_definitions_are_automatically_in_strict_mode;
- }
- if (file.externalModuleIndicator) {
- return ts.Diagnostics.Identifier_expected_0_is_a_reserved_word_in_strict_mode_Modules_are_automatically_in_strict_mode;
- }
- return ts.Diagnostics.Identifier_expected_0_is_a_reserved_word_in_strict_mode;
- }
- // The binder visits every node, so this is a good place to check for
- // the reserved private name (there is only one)
- function checkPrivateIdentifier(node) {
- if (node.escapedText === "#constructor") {
- // Report error only if there are no parse errors in file
- if (!file.parseDiagnostics.length) {
- file.bindDiagnostics.push(createDiagnosticForNode(node, ts.Diagnostics.constructor_is_a_reserved_word, ts.declarationNameToString(node)));
- }
- }
- }
- function checkStrictModeBinaryExpression(node) {
- if (inStrictMode && ts.isLeftHandSideExpression(node.left) && ts.isAssignmentOperator(node.operatorToken.kind)) {
- // ECMA 262 (Annex C) The identifier eval or arguments may not appear as the LeftHandSideExpression of an
- // Assignment operator(11.13) or of a PostfixExpression(11.3)
- checkStrictModeEvalOrArguments(node, node.left);
- }
- }
- function checkStrictModeCatchClause(node) {
- // It is a SyntaxError if a TryStatement with a Catch occurs within strict code and the Identifier of the
- // Catch production is eval or arguments
- if (inStrictMode && node.variableDeclaration) {
- checkStrictModeEvalOrArguments(node, node.variableDeclaration.name);
- }
- }
- function checkStrictModeDeleteExpression(node) {
- // Grammar checking
- if (inStrictMode && node.expression.kind === 75 /* Identifier */) {
- // When a delete operator occurs within strict mode code, a SyntaxError is thrown if its
- // UnaryExpression is a direct reference to a variable, function argument, or function name
- var span = ts.getErrorSpanForNode(file, node.expression);
- file.bindDiagnostics.push(ts.createFileDiagnostic(file, span.start, span.length, ts.Diagnostics.delete_cannot_be_called_on_an_identifier_in_strict_mode));
- }
- }
- function isEvalOrArgumentsIdentifier(node) {
- return ts.isIdentifier(node) && (node.escapedText === "eval" || node.escapedText === "arguments");
- }
- function checkStrictModeEvalOrArguments(contextNode, name) {
- if (name && name.kind === 75 /* Identifier */) {
- var identifier = name;
- if (isEvalOrArgumentsIdentifier(identifier)) {
- // We check first if the name is inside class declaration or class expression; if so give explicit message
- // otherwise report generic error message.
- var span = ts.getErrorSpanForNode(file, name);
- file.bindDiagnostics.push(ts.createFileDiagnostic(file, span.start, span.length, getStrictModeEvalOrArgumentsMessage(contextNode), ts.idText(identifier)));
- }
- }
- }
- function getStrictModeEvalOrArgumentsMessage(node) {
- // Provide specialized messages to help the user understand why we think they're in
- // strict mode.
- if (ts.getContainingClass(node)) {
- return ts.Diagnostics.Invalid_use_of_0_Class_definitions_are_automatically_in_strict_mode;
- }
- if (file.externalModuleIndicator) {
- return ts.Diagnostics.Invalid_use_of_0_Modules_are_automatically_in_strict_mode;
- }
- return ts.Diagnostics.Invalid_use_of_0_in_strict_mode;
- }
- function checkStrictModeFunctionName(node) {
- if (inStrictMode) {
- // It is a SyntaxError if the identifier eval or arguments appears within a FormalParameterList of a strict mode FunctionDeclaration or FunctionExpression (13.1))
- checkStrictModeEvalOrArguments(node, node.name);
- }
- }
- function getStrictModeBlockScopeFunctionDeclarationMessage(node) {
- // Provide specialized messages to help the user understand why we think they're in
- // strict mode.
- if (ts.getContainingClass(node)) {
- return ts.Diagnostics.Function_declarations_are_not_allowed_inside_blocks_in_strict_mode_when_targeting_ES3_or_ES5_Class_definitions_are_automatically_in_strict_mode;
- }
- if (file.externalModuleIndicator) {
- return ts.Diagnostics.Function_declarations_are_not_allowed_inside_blocks_in_strict_mode_when_targeting_ES3_or_ES5_Modules_are_automatically_in_strict_mode;
- }
- return ts.Diagnostics.Function_declarations_are_not_allowed_inside_blocks_in_strict_mode_when_targeting_ES3_or_ES5;
- }
- function checkStrictModeFunctionDeclaration(node) {
- if (languageVersion < 2 /* ES2015 */) {
- // Report error if function is not top level function declaration
- if (blockScopeContainer.kind !== 290 /* SourceFile */ &&
- blockScopeContainer.kind !== 249 /* ModuleDeclaration */ &&
- !ts.isFunctionLike(blockScopeContainer)) {
- // We check first if the name is inside class declaration or class expression; if so give explicit message
- // otherwise report generic error message.
- var errorSpan = ts.getErrorSpanForNode(file, node);
- file.bindDiagnostics.push(ts.createFileDiagnostic(file, errorSpan.start, errorSpan.length, getStrictModeBlockScopeFunctionDeclarationMessage(node)));
- }
- }
- }
- function checkStrictModeNumericLiteral(node) {
- if (inStrictMode && node.numericLiteralFlags & 32 /* Octal */) {
- file.bindDiagnostics.push(createDiagnosticForNode(node, ts.Diagnostics.Octal_literals_are_not_allowed_in_strict_mode));
- }
- }
- function checkStrictModePostfixUnaryExpression(node) {
- // Grammar checking
- // The identifier eval or arguments may not appear as the LeftHandSideExpression of an
- // Assignment operator(11.13) or of a PostfixExpression(11.3) or as the UnaryExpression
- // operated upon by a Prefix Increment(11.4.4) or a Prefix Decrement(11.4.5) operator.
- if (inStrictMode) {
- checkStrictModeEvalOrArguments(node, node.operand);
- }
- }
- function checkStrictModePrefixUnaryExpression(node) {
- // Grammar checking
- if (inStrictMode) {
- if (node.operator === 45 /* PlusPlusToken */ || node.operator === 46 /* MinusMinusToken */) {
- checkStrictModeEvalOrArguments(node, node.operand);
- }
- }
- }
- function checkStrictModeWithStatement(node) {
- // Grammar checking for withStatement
- if (inStrictMode) {
- errorOnFirstToken(node, ts.Diagnostics.with_statements_are_not_allowed_in_strict_mode);
- }
- }
- function checkStrictModeLabeledStatement(node) {
- // Grammar checking for labeledStatement
- if (inStrictMode && options.target >= 2 /* ES2015 */) {
- if (ts.isDeclarationStatement(node.statement) || ts.isVariableStatement(node.statement)) {
- errorOnFirstToken(node.label, ts.Diagnostics.A_label_is_not_allowed_here);
- }
- }
- }
- function errorOnFirstToken(node, message, arg0, arg1, arg2) {
- var span = ts.getSpanOfTokenAtPosition(file, node.pos);
- file.bindDiagnostics.push(ts.createFileDiagnostic(file, span.start, span.length, message, arg0, arg1, arg2));
- }
- function errorOrSuggestionOnNode(isError, node, message) {
- errorOrSuggestionOnRange(isError, node, node, message);
- }
- function errorOrSuggestionOnRange(isError, startNode, endNode, message) {
- addErrorOrSuggestionDiagnostic(isError, { pos: ts.getTokenPosOfNode(startNode, file), end: endNode.end }, message);
- }
- function addErrorOrSuggestionDiagnostic(isError, range, message) {
- var diag = ts.createFileDiagnostic(file, range.pos, range.end - range.pos, message);
- if (isError) {
- file.bindDiagnostics.push(diag);
- }
- else {
- file.bindSuggestionDiagnostics = ts.append(file.bindSuggestionDiagnostics, __assign(__assign({}, diag), { category: ts.DiagnosticCategory.Suggestion }));
- }
- }
- function bind(node) {
- if (!node) {
- return;
- }
- node.parent = parent;
- var saveInStrictMode = inStrictMode;
- // Even though in the AST the jsdoc @typedef node belongs to the current node,
- // its symbol might be in the same scope with the current node's symbol. Consider:
- //
- // /** @typedef {string | number} MyType */
- // function foo();
- //
- // Here the current node is "foo", which is a container, but the scope of "MyType" should
- // not be inside "foo". Therefore we always bind @typedef before bind the parent node,
- // and skip binding this tag later when binding all the other jsdoc tags.
- // First we bind declaration nodes to a symbol if possible. We'll both create a symbol
- // and then potentially add the symbol to an appropriate symbol table. Possible
- // destination symbol tables are:
- //
- // 1) The 'exports' table of the current container's symbol.
- // 2) The 'members' table of the current container's symbol.
- // 3) The 'locals' table of the current container.
- //
- // However, not all symbols will end up in any of these tables. 'Anonymous' symbols
- // (like TypeLiterals for example) will not be put in any table.
- bindWorker(node);
- // Then we recurse into the children of the node to bind them as well. For certain
- // symbols we do specialized work when we recurse. For example, we'll keep track of
- // the current 'container' node when it changes. This helps us know which symbol table
- // a local should go into for example. Since terminal nodes are known not to have
- // children, as an optimization we don't process those.
- if (node.kind > 152 /* LastToken */) {
- var saveParent = parent;
- parent = node;
- var containerFlags = getContainerFlags(node);
- if (containerFlags === 0 /* None */) {
- bindChildren(node);
- }
- else {
- bindContainer(node, containerFlags);
- }
- parent = saveParent;
- }
- else if (!skipTransformFlagAggregation && (node.transformFlags & 536870912 /* HasComputedFlags */) === 0) {
- subtreeTransformFlags |= computeTransformFlagsForNode(node, 0);
- var saveParent = parent;
- if (node.kind === 1 /* EndOfFileToken */)
- parent = node;
- bindJSDoc(node);
- parent = saveParent;
- }
- inStrictMode = saveInStrictMode;
- }
- function bindJSDoc(node) {
- if (ts.hasJSDocNodes(node)) {
- if (ts.isInJSFile(node)) {
- for (var _i = 0, _a = node.jsDoc; _i < _a.length; _i++) {
- var j = _a[_i];
- bind(j);
- }
- }
- else {
- for (var _b = 0, _c = node.jsDoc; _b < _c.length; _b++) {
- var j = _c[_b];
- setParentPointers(node, j);
- }
- }
- }
- }
- function updateStrictModeStatementList(statements) {
- if (!inStrictMode) {
- for (var _i = 0, statements_2 = statements; _i < statements_2.length; _i++) {
- var statement = statements_2[_i];
- if (!ts.isPrologueDirective(statement)) {
- return;
- }
- if (isUseStrictPrologueDirective(statement)) {
- inStrictMode = true;
- return;
- }
- }
- }
- }
- /// Should be called only on prologue directives (isPrologueDirective(node) should be true)
- function isUseStrictPrologueDirective(node) {
- var nodeText = ts.getSourceTextOfNodeFromSourceFile(file, node.expression);
- // Note: the node text must be exactly "use strict" or 'use strict'. It is not ok for the
- // string to contain unicode escapes (as per ES5).
- return nodeText === '"use strict"' || nodeText === "'use strict'";
- }
- function bindWorker(node) {
- switch (node.kind) {
- /* Strict mode checks */
- case 75 /* Identifier */:
- // for typedef type names with namespaces, bind the new jsdoc type symbol here
- // because it requires all containing namespaces to be in effect, namely the
- // current "blockScopeContainer" needs to be set to its immediate namespace parent.
- if (node.isInJSDocNamespace) {
- var parentNode = node.parent;
- while (parentNode && !ts.isJSDocTypeAlias(parentNode)) {
- parentNode = parentNode.parent;
- }
- bindBlockScopedDeclaration(parentNode, 524288 /* TypeAlias */, 788968 /* TypeAliasExcludes */);
- break;
- }
- // falls through
- case 104 /* ThisKeyword */:
- if (currentFlow && (ts.isExpression(node) || parent.kind === 282 /* ShorthandPropertyAssignment */)) {
- node.flowNode = currentFlow;
- }
- return checkStrictModeIdentifier(node);
- case 76 /* PrivateIdentifier */:
- return checkPrivateIdentifier(node);
- case 194 /* PropertyAccessExpression */:
- case 195 /* ElementAccessExpression */:
- var expr = node;
- if (currentFlow && isNarrowableReference(expr)) {
- expr.flowNode = currentFlow;
- }
- if (ts.isSpecialPropertyDeclaration(expr)) {
- bindSpecialPropertyDeclaration(expr);
- }
- if (ts.isInJSFile(expr) &&
- file.commonJsModuleIndicator &&
- ts.isModuleExportsAccessExpression(expr) &&
- !lookupSymbolForNameWorker(blockScopeContainer, "module")) {
- declareSymbol(file.locals, /*parent*/ undefined, expr.expression, 1 /* FunctionScopedVariable */ | 134217728 /* ModuleExports */, 111550 /* FunctionScopedVariableExcludes */);
- }
- break;
- case 209 /* BinaryExpression */:
- var specialKind = ts.getAssignmentDeclarationKind(node);
- switch (specialKind) {
- case 1 /* ExportsProperty */:
- bindExportsPropertyAssignment(node);
- break;
- case 2 /* ModuleExports */:
- bindModuleExportsAssignment(node);
- break;
- case 3 /* PrototypeProperty */:
- bindPrototypePropertyAssignment(node.left, node);
- break;
- case 6 /* Prototype */:
- bindPrototypeAssignment(node);
- break;
- case 4 /* ThisProperty */:
- bindThisPropertyAssignment(node);
- break;
- case 5 /* Property */:
- bindSpecialPropertyAssignment(node);
- break;
- case 0 /* None */:
- // Nothing to do
- break;
- default:
- ts.Debug.fail("Unknown binary expression special property assignment kind");
- }
- return checkStrictModeBinaryExpression(node);
- case 280 /* CatchClause */:
- return checkStrictModeCatchClause(node);
- case 203 /* DeleteExpression */:
- return checkStrictModeDeleteExpression(node);
- case 8 /* NumericLiteral */:
- return checkStrictModeNumericLiteral(node);
- case 208 /* PostfixUnaryExpression */:
- return checkStrictModePostfixUnaryExpression(node);
- case 207 /* PrefixUnaryExpression */:
- return checkStrictModePrefixUnaryExpression(node);
- case 236 /* WithStatement */:
- return checkStrictModeWithStatement(node);
- case 238 /* LabeledStatement */:
- return checkStrictModeLabeledStatement(node);
- case 183 /* ThisType */:
- seenThisKeyword = true;
- return;
- case 168 /* TypePredicate */:
- break; // Binding the children will handle everything
- case 155 /* TypeParameter */:
- return bindTypeParameter(node);
- case 156 /* Parameter */:
- return bindParameter(node);
- case 242 /* VariableDeclaration */:
- return bindVariableDeclarationOrBindingElement(node);
- case 191 /* BindingElement */:
- node.flowNode = currentFlow;
- return bindVariableDeclarationOrBindingElement(node);
- case 159 /* PropertyDeclaration */:
- case 158 /* PropertySignature */:
- return bindPropertyWorker(node);
- case 281 /* PropertyAssignment */:
- case 282 /* ShorthandPropertyAssignment */:
- return bindPropertyOrMethodOrAccessor(node, 4 /* Property */, 0 /* PropertyExcludes */);
- case 284 /* EnumMember */:
- return bindPropertyOrMethodOrAccessor(node, 8 /* EnumMember */, 900095 /* EnumMemberExcludes */);
- case 165 /* CallSignature */:
- case 166 /* ConstructSignature */:
- case 167 /* IndexSignature */:
- return declareSymbolAndAddToSymbolTable(node, 131072 /* Signature */, 0 /* None */);
- case 161 /* MethodDeclaration */:
- case 160 /* MethodSignature */:
- // If this is an ObjectLiteralExpression method, then it sits in the same space
- // as other properties in the object literal. So we use SymbolFlags.PropertyExcludes
- // so that it will conflict with any other object literal members with the same
- // name.
- return bindPropertyOrMethodOrAccessor(node, 8192 /* Method */ | (node.questionToken ? 16777216 /* Optional */ : 0 /* None */), ts.isObjectLiteralMethod(node) ? 0 /* PropertyExcludes */ : 103359 /* MethodExcludes */);
- case 244 /* FunctionDeclaration */:
- return bindFunctionDeclaration(node);
- case 162 /* Constructor */:
- return declareSymbolAndAddToSymbolTable(node, 16384 /* Constructor */, /*symbolExcludes:*/ 0 /* None */);
- case 163 /* GetAccessor */:
- return bindPropertyOrMethodOrAccessor(node, 32768 /* GetAccessor */, 46015 /* GetAccessorExcludes */);
- case 164 /* SetAccessor */:
- return bindPropertyOrMethodOrAccessor(node, 65536 /* SetAccessor */, 78783 /* SetAccessorExcludes */);
- case 170 /* FunctionType */:
- case 300 /* JSDocFunctionType */:
- case 305 /* JSDocSignature */:
- case 171 /* ConstructorType */:
- return bindFunctionOrConstructorType(node);
- case 173 /* TypeLiteral */:
- case 304 /* JSDocTypeLiteral */:
- case 186 /* MappedType */:
- return bindAnonymousTypeWorker(node);
- case 310 /* JSDocClassTag */:
- return bindJSDocClassTag(node);
- case 193 /* ObjectLiteralExpression */:
- return bindObjectLiteralExpression(node);
- case 201 /* FunctionExpression */:
- case 202 /* ArrowFunction */:
- return bindFunctionExpression(node);
- case 196 /* CallExpression */:
- var assignmentKind = ts.getAssignmentDeclarationKind(node);
- switch (assignmentKind) {
- case 7 /* ObjectDefinePropertyValue */:
- return bindObjectDefinePropertyAssignment(node);
- case 8 /* ObjectDefinePropertyExports */:
- return bindObjectDefinePropertyExport(node);
- case 9 /* ObjectDefinePrototypeProperty */:
- return bindObjectDefinePrototypeProperty(node);
- case 0 /* None */:
- break; // Nothing to do
- default:
- return ts.Debug.fail("Unknown call expression assignment declaration kind");
- }
- if (ts.isInJSFile(node)) {
- bindCallExpression(node);
- }
- break;
- // Members of classes, interfaces, and modules
- case 214 /* ClassExpression */:
- case 245 /* ClassDeclaration */:
- // All classes are automatically in strict mode in ES6.
- inStrictMode = true;
- return bindClassLikeDeclaration(node);
- case 246 /* InterfaceDeclaration */:
- return bindBlockScopedDeclaration(node, 64 /* Interface */, 788872 /* InterfaceExcludes */);
- case 247 /* TypeAliasDeclaration */:
- return bindBlockScopedDeclaration(node, 524288 /* TypeAlias */, 788968 /* TypeAliasExcludes */);
- case 248 /* EnumDeclaration */:
- return bindEnumDeclaration(node);
- case 249 /* ModuleDeclaration */:
- return bindModuleDeclaration(node);
- // Jsx-attributes
- case 274 /* JsxAttributes */:
- return bindJsxAttributes(node);
- case 273 /* JsxAttribute */:
- return bindJsxAttribute(node, 4 /* Property */, 0 /* PropertyExcludes */);
- // Imports and exports
- case 253 /* ImportEqualsDeclaration */:
- case 256 /* NamespaceImport */:
- case 258 /* ImportSpecifier */:
- case 263 /* ExportSpecifier */:
- return declareSymbolAndAddToSymbolTable(node, 2097152 /* Alias */, 2097152 /* AliasExcludes */);
- case 252 /* NamespaceExportDeclaration */:
- return bindNamespaceExportDeclaration(node);
- case 255 /* ImportClause */:
- return bindImportClause(node);
- case 260 /* ExportDeclaration */:
- return bindExportDeclaration(node);
- case 259 /* ExportAssignment */:
- return bindExportAssignment(node);
- case 290 /* SourceFile */:
- updateStrictModeStatementList(node.statements);
- return bindSourceFileIfExternalModule();
- case 223 /* Block */:
- if (!ts.isFunctionLike(node.parent)) {
- return;
- }
- // falls through
- case 250 /* ModuleBlock */:
- return updateStrictModeStatementList(node.statements);
- case 317 /* JSDocParameterTag */:
- if (node.parent.kind === 305 /* JSDocSignature */) {
- return bindParameter(node);
- }
- if (node.parent.kind !== 304 /* JSDocTypeLiteral */) {
- break;
- }
- // falls through
- case 323 /* JSDocPropertyTag */:
- var propTag = node;
- var flags = propTag.isBracketed || propTag.typeExpression && propTag.typeExpression.type.kind === 299 /* JSDocOptionalType */ ?
- 4 /* Property */ | 16777216 /* Optional */ :
- 4 /* Property */;
- return declareSymbolAndAddToSymbolTable(propTag, flags, 0 /* PropertyExcludes */);
- case 322 /* JSDocTypedefTag */:
- case 315 /* JSDocCallbackTag */:
- case 316 /* JSDocEnumTag */:
- return (delayedTypeAliases || (delayedTypeAliases = [])).push(node);
- }
- }
- function bindPropertyWorker(node) {
- return bindPropertyOrMethodOrAccessor(node, 4 /* Property */ | (node.questionToken ? 16777216 /* Optional */ : 0 /* None */), 0 /* PropertyExcludes */);
- }
- function bindAnonymousTypeWorker(node) {
- return bindAnonymousDeclaration(node, 2048 /* TypeLiteral */, "__type" /* Type */);
- }
- function bindSourceFileIfExternalModule() {
- setExportContextFlag(file);
- if (ts.isExternalModule(file)) {
- bindSourceFileAsExternalModule();
- }
- else if (ts.isJsonSourceFile(file)) {
- bindSourceFileAsExternalModule();
- // Create symbol equivalent for the module.exports = {}
- var originalSymbol = file.symbol;
- declareSymbol(file.symbol.exports, file.symbol, file, 4 /* Property */, 67108863 /* All */);
- file.symbol = originalSymbol;
- }
- }
- function bindSourceFileAsExternalModule() {
- bindAnonymousDeclaration(file, 512 /* ValueModule */, "\"" + ts.removeFileExtension(file.fileName) + "\"");
- }
- function bindExportAssignment(node) {
- if (!container.symbol || !container.symbol.exports) {
- // Export assignment in some sort of block construct
- bindAnonymousDeclaration(node, 2097152 /* Alias */, getDeclarationName(node));
- }
- else {
- var flags = ts.exportAssignmentIsAlias(node)
- // An export default clause with an EntityNameExpression or a class expression exports all meanings of that identifier or expression;
- ? 2097152 /* Alias */
- // An export default clause with any other expression exports a value
- : 4 /* Property */;
- // If there is an `export default x;` alias declaration, can't `export default` anything else.
- // (In contrast, you can still have `export default function f() {}` and `export default interface I {}`.)
- var symbol = declareSymbol(container.symbol.exports, container.symbol, node, flags, 67108863 /* All */);
- if (node.isExportEquals) {
- // Will be an error later, since the module already has other exports. Just make sure this has a valueDeclaration set.
- ts.setValueDeclaration(symbol, node);
- }
- }
- }
- function bindNamespaceExportDeclaration(node) {
- if (node.modifiers && node.modifiers.length) {
- file.bindDiagnostics.push(createDiagnosticForNode(node, ts.Diagnostics.Modifiers_cannot_appear_here));
- }
- var diag = !ts.isSourceFile(node.parent) ? ts.Diagnostics.Global_module_exports_may_only_appear_at_top_level
- : !ts.isExternalModule(node.parent) ? ts.Diagnostics.Global_module_exports_may_only_appear_in_module_files
- : !node.parent.isDeclarationFile ? ts.Diagnostics.Global_module_exports_may_only_appear_in_declaration_files
- : undefined;
- if (diag) {
- file.bindDiagnostics.push(createDiagnosticForNode(node, diag));
- }
- else {
- file.symbol.globalExports = file.symbol.globalExports || ts.createSymbolTable();
- declareSymbol(file.symbol.globalExports, file.symbol, node, 2097152 /* Alias */, 2097152 /* AliasExcludes */);
- }
- }
- function bindExportDeclaration(node) {
- if (!container.symbol || !container.symbol.exports) {
- // Export * in some sort of block construct
- bindAnonymousDeclaration(node, 8388608 /* ExportStar */, getDeclarationName(node));
- }
- else if (!node.exportClause) {
- // All export * declarations are collected in an __export symbol
- declareSymbol(container.symbol.exports, container.symbol, node, 8388608 /* ExportStar */, 0 /* None */);
- }
- else if (ts.isNamespaceExport(node.exportClause)) {
- // declareSymbol walks up parents to find name text, parent _must_ be set
- // but won't be set by the normal binder walk until `bindChildren` later on.
- node.exportClause.parent = node;
- declareSymbol(container.symbol.exports, container.symbol, node.exportClause, 2097152 /* Alias */, 2097152 /* AliasExcludes */);
- }
- }
- function bindImportClause(node) {
- if (node.name) {
- declareSymbolAndAddToSymbolTable(node, 2097152 /* Alias */, 2097152 /* AliasExcludes */);
- }
- }
- function setCommonJsModuleIndicator(node) {
- if (file.externalModuleIndicator) {
- return false;
- }
- if (!file.commonJsModuleIndicator) {
- file.commonJsModuleIndicator = node;
- bindSourceFileAsExternalModule();
- }
- return true;
- }
- function bindObjectDefinePropertyExport(node) {
- if (!setCommonJsModuleIndicator(node)) {
- return;
- }
- var symbol = forEachIdentifierInEntityName(node.arguments[0], /*parent*/ undefined, function (id, symbol) {
- if (symbol) {
- addDeclarationToSymbol(symbol, id, 1536 /* Module */ | 67108864 /* Assignment */);
- }
- return symbol;
- });
- if (symbol) {
- var flags = 4 /* Property */ | 1048576 /* ExportValue */;
- declareSymbol(symbol.exports, symbol, node, flags, 0 /* None */);
- }
- }
- function bindExportsPropertyAssignment(node) {
- // When we create a property via 'exports.foo = bar', the 'exports.foo' property access
- // expression is the declaration
- if (!setCommonJsModuleIndicator(node)) {
- return;
- }
- var symbol = forEachIdentifierInEntityName(node.left.expression, /*parent*/ undefined, function (id, symbol) {
- if (symbol) {
- addDeclarationToSymbol(symbol, id, 1536 /* Module */ | 67108864 /* Assignment */);
- }
- return symbol;
- });
- if (symbol) {
- var flags = ts.isClassExpression(node.right) ?
- 4 /* Property */ | 1048576 /* ExportValue */ | 32 /* Class */ :
- 4 /* Property */ | 1048576 /* ExportValue */;
- declareSymbol(symbol.exports, symbol, node.left, flags, 0 /* None */);
- }
- }
- function bindModuleExportsAssignment(node) {
- // A common practice in node modules is to set 'export = module.exports = {}', this ensures that 'exports'
- // is still pointing to 'module.exports'.
- // We do not want to consider this as 'export=' since a module can have only one of these.
- // Similarly we do not want to treat 'module.exports = exports' as an 'export='.
- if (!setCommonJsModuleIndicator(node)) {
- return;
- }
- var assignedExpression = ts.getRightMostAssignedExpression(node.right);
- if (ts.isEmptyObjectLiteral(assignedExpression) || container === file && isExportsOrModuleExportsOrAlias(file, assignedExpression)) {
- return;
- }
- // 'module.exports = expr' assignment
- var flags = ts.exportAssignmentIsAlias(node)
- ? 2097152 /* Alias */
- : 4 /* Property */ | 1048576 /* ExportValue */ | 512 /* ValueModule */;
- var symbol = declareSymbol(file.symbol.exports, file.symbol, node, flags | 67108864 /* Assignment */, 0 /* None */);
- ts.setValueDeclaration(symbol, node);
- }
- function bindThisPropertyAssignment(node) {
- ts.Debug.assert(ts.isInJSFile(node));
- // private identifiers *must* be declared (even in JS files)
- var hasPrivateIdentifier = (ts.isBinaryExpression(node) && ts.isPropertyAccessExpression(node.left) && ts.isPrivateIdentifier(node.left.name))
- || (ts.isPropertyAccessExpression(node) && ts.isPrivateIdentifier(node.name));
- if (hasPrivateIdentifier) {
- return;
- }
- var thisContainer = ts.getThisContainer(node, /*includeArrowFunctions*/ false);
- switch (thisContainer.kind) {
- case 244 /* FunctionDeclaration */:
- case 201 /* FunctionExpression */:
- var constructorSymbol = thisContainer.symbol;
- // For `f.prototype.m = function() { this.x = 0; }`, `this.x = 0` should modify `f`'s members, not the function expression.
- if (ts.isBinaryExpression(thisContainer.parent) && thisContainer.parent.operatorToken.kind === 62 /* EqualsToken */) {
- var l = thisContainer.parent.left;
- if (ts.isBindableStaticAccessExpression(l) && ts.isPrototypeAccess(l.expression)) {
- constructorSymbol = lookupSymbolForPropertyAccess(l.expression.expression, thisParentContainer);
- }
- }
- if (constructorSymbol && constructorSymbol.valueDeclaration) {
- // Declare a 'member' if the container is an ES5 class or ES6 constructor
- constructorSymbol.members = constructorSymbol.members || ts.createSymbolTable();
- // It's acceptable for multiple 'this' assignments of the same identifier to occur
- if (ts.hasDynamicName(node)) {
- bindDynamicallyNamedThisPropertyAssignment(node, constructorSymbol);
- }
- else {
- declareSymbol(constructorSymbol.members, constructorSymbol, node, 4 /* Property */ | 67108864 /* Assignment */, 0 /* PropertyExcludes */ & ~4 /* Property */);
- }
- addDeclarationToSymbol(constructorSymbol, constructorSymbol.valueDeclaration, 32 /* Class */);
- }
- break;
- case 162 /* Constructor */:
- case 159 /* PropertyDeclaration */:
- case 161 /* MethodDeclaration */:
- case 163 /* GetAccessor */:
- case 164 /* SetAccessor */:
- // this.foo assignment in a JavaScript class
- // Bind this property to the containing class
- var containingClass = thisContainer.parent;
- var symbolTable = ts.hasModifier(thisContainer, 32 /* Static */) ? containingClass.symbol.exports : containingClass.symbol.members;
- if (ts.hasDynamicName(node)) {
- bindDynamicallyNamedThisPropertyAssignment(node, containingClass.symbol);
- }
- else {
- declareSymbol(symbolTable, containingClass.symbol, node, 4 /* Property */ | 67108864 /* Assignment */, 0 /* None */, /*isReplaceableByMethod*/ true);
- }
- break;
- case 290 /* SourceFile */:
- // this.property = assignment in a source file -- declare symbol in exports for a module, in locals for a script
- if (ts.hasDynamicName(node)) {
- break;
- }
- else if (thisContainer.commonJsModuleIndicator) {
- declareSymbol(thisContainer.symbol.exports, thisContainer.symbol, node, 4 /* Property */ | 1048576 /* ExportValue */, 0 /* None */);
- }
- else {
- declareSymbolAndAddToSymbolTable(node, 1 /* FunctionScopedVariable */, 111550 /* FunctionScopedVariableExcludes */);
- }
- break;
- default:
- ts.Debug.failBadSyntaxKind(thisContainer);
- }
- }
- function bindDynamicallyNamedThisPropertyAssignment(node, symbol) {
- bindAnonymousDeclaration(node, 4 /* Property */, "__computed" /* Computed */);
- addLateBoundAssignmentDeclarationToSymbol(node, symbol);
- }
- function addLateBoundAssignmentDeclarationToSymbol(node, symbol) {
- if (symbol) {
- var members = symbol.assignmentDeclarationMembers || (symbol.assignmentDeclarationMembers = ts.createMap());
- members.set("" + ts.getNodeId(node), node);
- }
- }
- function bindSpecialPropertyDeclaration(node) {
- if (node.expression.kind === 104 /* ThisKeyword */) {
- bindThisPropertyAssignment(node);
- }
- else if (ts.isBindableStaticAccessExpression(node) && node.parent.parent.kind === 290 /* SourceFile */) {
- if (ts.isPrototypeAccess(node.expression)) {
- bindPrototypePropertyAssignment(node, node.parent);
- }
- else {
- bindStaticPropertyAssignment(node);
- }
- }
- }
- /** For `x.prototype = { p, ... }`, declare members p,... if `x` is function/class/{}, or not declared. */
- function bindPrototypeAssignment(node) {
- node.left.parent = node;
- node.right.parent = node;
- bindPropertyAssignment(node.left.expression, node.left, /*isPrototypeProperty*/ false, /*containerIsClass*/ true);
- }
- function bindObjectDefinePrototypeProperty(node) {
- var namespaceSymbol = lookupSymbolForPropertyAccess(node.arguments[0].expression);
- if (namespaceSymbol && namespaceSymbol.valueDeclaration) {
- // Ensure the namespace symbol becomes class-like
- addDeclarationToSymbol(namespaceSymbol, namespaceSymbol.valueDeclaration, 32 /* Class */);
- }
- bindPotentiallyNewExpandoMemberToNamespace(node, namespaceSymbol, /*isPrototypeProperty*/ true);
- }
- /**
- * For `x.prototype.y = z`, declare a member `y` on `x` if `x` is a function or class, or not declared.
- * Note that jsdoc preceding an ExpressionStatement like `x.prototype.y;` is also treated as a declaration.
- */
- function bindPrototypePropertyAssignment(lhs, parent) {
- // Look up the function in the local scope, since prototype assignments should
- // follow the function declaration
- var classPrototype = lhs.expression;
- var constructorFunction = classPrototype.expression;
- // Fix up parent pointers since we're going to use these nodes before we bind into them
- lhs.parent = parent;
- constructorFunction.parent = classPrototype;
- classPrototype.parent = lhs;
- bindPropertyAssignment(constructorFunction, lhs, /*isPrototypeProperty*/ true, /*containerIsClass*/ true);
- }
- function bindObjectDefinePropertyAssignment(node) {
- var namespaceSymbol = lookupSymbolForPropertyAccess(node.arguments[0]);
- var isToplevel = node.parent.parent.kind === 290 /* SourceFile */;
- namespaceSymbol = bindPotentiallyMissingNamespaces(namespaceSymbol, node.arguments[0], isToplevel, /*isPrototypeProperty*/ false, /*containerIsClass*/ false);
- bindPotentiallyNewExpandoMemberToNamespace(node, namespaceSymbol, /*isPrototypeProperty*/ false);
- }
- function bindSpecialPropertyAssignment(node) {
- // Class declarations in Typescript do not allow property declarations
- var parentSymbol = lookupSymbolForPropertyAccess(node.left.expression);
- if (!ts.isInJSFile(node) && !ts.isFunctionSymbol(parentSymbol)) {
- return;
- }
- // Fix up parent pointers since we're going to use these nodes before we bind into them
- node.left.parent = node;
- node.right.parent = node;
- if (ts.isIdentifier(node.left.expression) && container === file && isExportsOrModuleExportsOrAlias(file, node.left.expression)) {
- // This can be an alias for the 'exports' or 'module.exports' names, e.g.
- // var util = module.exports;
- // util.property = function ...
- bindExportsPropertyAssignment(node);
- }
- else if (ts.hasDynamicName(node)) {
- bindAnonymousDeclaration(node, 4 /* Property */ | 67108864 /* Assignment */, "__computed" /* Computed */);
- var sym = bindPotentiallyMissingNamespaces(parentSymbol, node.left.expression, isTopLevelNamespaceAssignment(node.left), /*isPrototype*/ false, /*containerIsClass*/ false);
- addLateBoundAssignmentDeclarationToSymbol(node, sym);
- }
- else {
- bindStaticPropertyAssignment(ts.cast(node.left, ts.isBindableStaticNameExpression));
- }
- }
- /**
- * For nodes like `x.y = z`, declare a member 'y' on 'x' if x is a function (or IIFE) or class or {}, or not declared.
- * Also works for expression statements preceded by JSDoc, like / ** @type number * / x.y;
- */
- function bindStaticPropertyAssignment(node) {
- ts.Debug.assert(!ts.isIdentifier(node));
- node.expression.parent = node;
- bindPropertyAssignment(node.expression, node, /*isPrototypeProperty*/ false, /*containerIsClass*/ false);
- }
- function bindPotentiallyMissingNamespaces(namespaceSymbol, entityName, isToplevel, isPrototypeProperty, containerIsClass) {
- if (isToplevel && !isPrototypeProperty) {
- // make symbols or add declarations for intermediate containers
- var flags_1 = 1536 /* Module */ | 67108864 /* Assignment */;
- var excludeFlags_1 = 110735 /* ValueModuleExcludes */ & ~67108864 /* Assignment */;
- namespaceSymbol = forEachIdentifierInEntityName(entityName, namespaceSymbol, function (id, symbol, parent) {
- if (symbol) {
- addDeclarationToSymbol(symbol, id, flags_1);
- return symbol;
- }
- else {
- var table = parent ? parent.exports :
- file.jsGlobalAugmentations || (file.jsGlobalAugmentations = ts.createSymbolTable());
- return declareSymbol(table, parent, id, flags_1, excludeFlags_1);
- }
- });
- }
- if (containerIsClass && namespaceSymbol && namespaceSymbol.valueDeclaration) {
- addDeclarationToSymbol(namespaceSymbol, namespaceSymbol.valueDeclaration, 32 /* Class */);
- }
- return namespaceSymbol;
- }
- function bindPotentiallyNewExpandoMemberToNamespace(declaration, namespaceSymbol, isPrototypeProperty) {
- if (!namespaceSymbol || !isExpandoSymbol(namespaceSymbol)) {
- return;
- }
- // Set up the members collection if it doesn't exist already
- var symbolTable = isPrototypeProperty ?
- (namespaceSymbol.members || (namespaceSymbol.members = ts.createSymbolTable())) :
- (namespaceSymbol.exports || (namespaceSymbol.exports = ts.createSymbolTable()));
- var includes = 0 /* None */;
- var excludes = 0 /* None */;
- // Method-like
- if (ts.isFunctionLikeDeclaration(ts.getAssignedExpandoInitializer(declaration))) {
- includes = 8192 /* Method */;
- excludes = 103359 /* MethodExcludes */;
- }
- // Maybe accessor-like
- else if (ts.isCallExpression(declaration) && ts.isBindableObjectDefinePropertyCall(declaration)) {
- if (ts.some(declaration.arguments[2].properties, function (p) {
- var id = ts.getNameOfDeclaration(p);
- return !!id && ts.isIdentifier(id) && ts.idText(id) === "set";
- })) {
- // We mix in `SymbolFLags.Property` so in the checker `getTypeOfVariableParameterOrProperty` is used for this
- // symbol, instead of `getTypeOfAccessor` (which will assert as there is no real accessor declaration)
- includes |= 65536 /* SetAccessor */ | 4 /* Property */;
- excludes |= 78783 /* SetAccessorExcludes */;
- }
- if (ts.some(declaration.arguments[2].properties, function (p) {
- var id = ts.getNameOfDeclaration(p);
- return !!id && ts.isIdentifier(id) && ts.idText(id) === "get";
- })) {
- includes |= 32768 /* GetAccessor */ | 4 /* Property */;
- excludes |= 46015 /* GetAccessorExcludes */;
- }
- }
- if (includes === 0 /* None */) {
- includes = 4 /* Property */;
- excludes = 0 /* PropertyExcludes */;
- }
- declareSymbol(symbolTable, namespaceSymbol, declaration, includes | 67108864 /* Assignment */, excludes & ~67108864 /* Assignment */);
- }
- function isTopLevelNamespaceAssignment(propertyAccess) {
- return ts.isBinaryExpression(propertyAccess.parent)
- ? getParentOfBinaryExpression(propertyAccess.parent).parent.kind === 290 /* SourceFile */
- : propertyAccess.parent.parent.kind === 290 /* SourceFile */;
- }
- function bindPropertyAssignment(name, propertyAccess, isPrototypeProperty, containerIsClass) {
- var namespaceSymbol = lookupSymbolForPropertyAccess(name);
- var isToplevel = isTopLevelNamespaceAssignment(propertyAccess);
- namespaceSymbol = bindPotentiallyMissingNamespaces(namespaceSymbol, propertyAccess.expression, isToplevel, isPrototypeProperty, containerIsClass);
- bindPotentiallyNewExpandoMemberToNamespace(propertyAccess, namespaceSymbol, isPrototypeProperty);
- }
- /**
- * Javascript expando values are:
- * - Functions
- * - classes
- * - namespaces
- * - variables initialized with function expressions
- * - with class expressions
- * - with empty object literals
- * - with non-empty object literals if assigned to the prototype property
- */
- function isExpandoSymbol(symbol) {
- if (symbol.flags & (16 /* Function */ | 32 /* Class */ | 1024 /* NamespaceModule */)) {
- return true;
- }
- var node = symbol.valueDeclaration;
- if (node && ts.isCallExpression(node)) {
- return !!ts.getAssignedExpandoInitializer(node);
- }
- var init = !node ? undefined :
- ts.isVariableDeclaration(node) ? node.initializer :
- ts.isBinaryExpression(node) ? node.right :
- ts.isPropertyAccessExpression(node) && ts.isBinaryExpression(node.parent) ? node.parent.right :
- undefined;
- init = init && ts.getRightMostAssignedExpression(init);
- if (init) {
- var isPrototypeAssignment = ts.isPrototypeAccess(ts.isVariableDeclaration(node) ? node.name : ts.isBinaryExpression(node) ? node.left : node);
- return !!ts.getExpandoInitializer(ts.isBinaryExpression(init) && (init.operatorToken.kind === 56 /* BarBarToken */ || init.operatorToken.kind === 60 /* QuestionQuestionToken */) ? init.right : init, isPrototypeAssignment);
- }
- return false;
- }
- function getParentOfBinaryExpression(expr) {
- while (ts.isBinaryExpression(expr.parent)) {
- expr = expr.parent;
- }
- return expr.parent;
- }
- function lookupSymbolForPropertyAccess(node, lookupContainer) {
- if (lookupContainer === void 0) { lookupContainer = container; }
- if (ts.isIdentifier(node)) {
- return lookupSymbolForNameWorker(lookupContainer, node.escapedText);
- }
- else {
- var symbol = lookupSymbolForPropertyAccess(node.expression);
- return symbol && symbol.exports && symbol.exports.get(ts.getElementOrPropertyAccessName(node));
- }
- }
- function forEachIdentifierInEntityName(e, parent, action) {
- if (isExportsOrModuleExportsOrAlias(file, e)) {
- return file.symbol;
- }
- else if (ts.isIdentifier(e)) {
- return action(e, lookupSymbolForPropertyAccess(e), parent);
- }
- else {
- var s = forEachIdentifierInEntityName(e.expression, parent, action);
- var name = ts.getNameOrArgument(e);
- // unreachable
- if (ts.isPrivateIdentifier(name)) {
- ts.Debug.fail("unexpected PrivateIdentifier");
- }
- return action(name, s && s.exports && s.exports.get(ts.getElementOrPropertyAccessName(e)), s);
- }
- }
- function bindCallExpression(node) {
- // We're only inspecting call expressions to detect CommonJS modules, so we can skip
- // this check if we've already seen the module indicator
- if (!file.commonJsModuleIndicator && ts.isRequireCall(node, /*checkArgumentIsStringLiteralLike*/ false)) {
- setCommonJsModuleIndicator(node);
- }
- }
- function bindClassLikeDeclaration(node) {
- if (node.kind === 245 /* ClassDeclaration */) {
- bindBlockScopedDeclaration(node, 32 /* Class */, 899503 /* ClassExcludes */);
- }
- else {
- var bindingName = node.name ? node.name.escapedText : "__class" /* Class */;
- bindAnonymousDeclaration(node, 32 /* Class */, bindingName);
- // Add name of class expression into the map for semantic classifier
- if (node.name) {
- classifiableNames.set(node.name.escapedText, true);
- }
- }
- var symbol = node.symbol;
- // TypeScript 1.0 spec (April 2014): 8.4
- // Every class automatically contains a static property member named 'prototype', the
- // type of which is an instantiation of the class type with type Any supplied as a type
- // argument for each type parameter. It is an error to explicitly declare a static
- // property member with the name 'prototype'.
- //
- // Note: we check for this here because this class may be merging into a module. The
- // module might have an exported variable called 'prototype'. We can't allow that as
- // that would clash with the built-in 'prototype' for the class.
- var prototypeSymbol = createSymbol(4 /* Property */ | 4194304 /* Prototype */, "prototype");
- var symbolExport = symbol.exports.get(prototypeSymbol.escapedName);
- if (symbolExport) {
- if (node.name) {
- node.name.parent = node;
- }
- file.bindDiagnostics.push(createDiagnosticForNode(symbolExport.declarations[0], ts.Diagnostics.Duplicate_identifier_0, ts.symbolName(prototypeSymbol)));
- }
- symbol.exports.set(prototypeSymbol.escapedName, prototypeSymbol);
- prototypeSymbol.parent = symbol;
- }
- function bindEnumDeclaration(node) {
- return ts.isEnumConst(node)
- ? bindBlockScopedDeclaration(node, 128 /* ConstEnum */, 899967 /* ConstEnumExcludes */)
- : bindBlockScopedDeclaration(node, 256 /* RegularEnum */, 899327 /* RegularEnumExcludes */);
- }
- function bindVariableDeclarationOrBindingElement(node) {
- if (inStrictMode) {
- checkStrictModeEvalOrArguments(node, node.name);
- }
- if (!ts.isBindingPattern(node.name)) {
- if (ts.isBlockOrCatchScoped(node)) {
- bindBlockScopedDeclaration(node, 2 /* BlockScopedVariable */, 111551 /* BlockScopedVariableExcludes */);
- }
- else if (ts.isParameterDeclaration(node)) {
- // It is safe to walk up parent chain to find whether the node is a destructuring parameter declaration
- // because its parent chain has already been set up, since parents are set before descending into children.
- //
- // If node is a binding element in parameter declaration, we need to use ParameterExcludes.
- // Using ParameterExcludes flag allows the compiler to report an error on duplicate identifiers in Parameter Declaration
- // For example:
- // function foo([a,a]) {} // Duplicate Identifier error
- // function bar(a,a) {} // Duplicate Identifier error, parameter declaration in this case is handled in bindParameter
- // // which correctly set excluded symbols
- declareSymbolAndAddToSymbolTable(node, 1 /* FunctionScopedVariable */, 111551 /* ParameterExcludes */);
- }
- else {
- declareSymbolAndAddToSymbolTable(node, 1 /* FunctionScopedVariable */, 111550 /* FunctionScopedVariableExcludes */);
- }
- }
- }
- function bindParameter(node) {
- if (node.kind === 317 /* JSDocParameterTag */ && container.kind !== 305 /* JSDocSignature */) {
- return;
- }
- if (inStrictMode && !(node.flags & 8388608 /* Ambient */)) {
- // It is a SyntaxError if the identifier eval or arguments appears within a FormalParameterList of a
- // strict mode FunctionLikeDeclaration or FunctionExpression(13.1)
- checkStrictModeEvalOrArguments(node, node.name);
- }
- if (ts.isBindingPattern(node.name)) {
- bindAnonymousDeclaration(node, 1 /* FunctionScopedVariable */, "__" + node.parent.parameters.indexOf(node));
- }
- else {
- declareSymbolAndAddToSymbolTable(node, 1 /* FunctionScopedVariable */, 111551 /* ParameterExcludes */);
- }
- // If this is a property-parameter, then also declare the property symbol into the
- // containing class.
- if (ts.isParameterPropertyDeclaration(node, node.parent)) {
- var classDeclaration = node.parent.parent;
- declareSymbol(classDeclaration.symbol.members, classDeclaration.symbol, node, 4 /* Property */ | (node.questionToken ? 16777216 /* Optional */ : 0 /* None */), 0 /* PropertyExcludes */);
- }
- }
- function bindFunctionDeclaration(node) {
- if (!file.isDeclarationFile && !(node.flags & 8388608 /* Ambient */)) {
- if (ts.isAsyncFunction(node)) {
- emitFlags |= 2048 /* HasAsyncFunctions */;
- }
- }
- checkStrictModeFunctionName(node);
- if (inStrictMode) {
- checkStrictModeFunctionDeclaration(node);
- bindBlockScopedDeclaration(node, 16 /* Function */, 110991 /* FunctionExcludes */);
- }
- else {
- declareSymbolAndAddToSymbolTable(node, 16 /* Function */, 110991 /* FunctionExcludes */);
- }
- }
- function bindFunctionExpression(node) {
- if (!file.isDeclarationFile && !(node.flags & 8388608 /* Ambient */)) {
- if (ts.isAsyncFunction(node)) {
- emitFlags |= 2048 /* HasAsyncFunctions */;
- }
- }
- if (currentFlow) {
- node.flowNode = currentFlow;
- }
- checkStrictModeFunctionName(node);
- var bindingName = node.name ? node.name.escapedText : "__function" /* Function */;
- return bindAnonymousDeclaration(node, 16 /* Function */, bindingName);
- }
- function bindPropertyOrMethodOrAccessor(node, symbolFlags, symbolExcludes) {
- if (!file.isDeclarationFile && !(node.flags & 8388608 /* Ambient */) && ts.isAsyncFunction(node)) {
- emitFlags |= 2048 /* HasAsyncFunctions */;
- }
- if (currentFlow && ts.isObjectLiteralOrClassExpressionMethod(node)) {
- node.flowNode = currentFlow;
- }
- return ts.hasDynamicName(node)
- ? bindAnonymousDeclaration(node, symbolFlags, "__computed" /* Computed */)
- : declareSymbolAndAddToSymbolTable(node, symbolFlags, symbolExcludes);
- }
- function getInferTypeContainer(node) {
- var extendsType = ts.findAncestor(node, function (n) { return n.parent && ts.isConditionalTypeNode(n.parent) && n.parent.extendsType === n; });
- return extendsType && extendsType.parent;
- }
- function bindTypeParameter(node) {
- if (ts.isJSDocTemplateTag(node.parent)) {
- var container_1 = ts.find(node.parent.parent.tags, ts.isJSDocTypeAlias) || ts.getHostSignatureFromJSDoc(node.parent); // TODO: GH#18217
- if (container_1) {
- if (!container_1.locals) {
- container_1.locals = ts.createSymbolTable();
- }
- declareSymbol(container_1.locals, /*parent*/ undefined, node, 262144 /* TypeParameter */, 526824 /* TypeParameterExcludes */);
- }
- else {
- declareSymbolAndAddToSymbolTable(node, 262144 /* TypeParameter */, 526824 /* TypeParameterExcludes */);
- }
- }
- else if (node.parent.kind === 181 /* InferType */) {
- var container_2 = getInferTypeContainer(node.parent);
- if (container_2) {
- if (!container_2.locals) {
- container_2.locals = ts.createSymbolTable();
- }
- declareSymbol(container_2.locals, /*parent*/ undefined, node, 262144 /* TypeParameter */, 526824 /* TypeParameterExcludes */);
- }
- else {
- bindAnonymousDeclaration(node, 262144 /* TypeParameter */, getDeclarationName(node)); // TODO: GH#18217
- }
- }
- else {
- declareSymbolAndAddToSymbolTable(node, 262144 /* TypeParameter */, 526824 /* TypeParameterExcludes */);
- }
- }
- // reachability checks
- function shouldReportErrorOnModuleDeclaration(node) {
- var instanceState = getModuleInstanceState(node);
- return instanceState === 1 /* Instantiated */ || (instanceState === 2 /* ConstEnumOnly */ && !!options.preserveConstEnums);
- }
- function checkUnreachable(node) {
- if (!(currentFlow.flags & 1 /* Unreachable */)) {
- return false;
- }
- if (currentFlow === unreachableFlow) {
- var reportError =
- // report error on all statements except empty ones
- (ts.isStatementButNotDeclaration(node) && node.kind !== 224 /* EmptyStatement */) ||
- // report error on class declarations
- node.kind === 245 /* ClassDeclaration */ ||
- // report error on instantiated modules or const-enums only modules if preserveConstEnums is set
- (node.kind === 249 /* ModuleDeclaration */ && shouldReportErrorOnModuleDeclaration(node));
- if (reportError) {
- currentFlow = reportedUnreachableFlow;
- if (!options.allowUnreachableCode) {
- // unreachable code is reported if
- // - user has explicitly asked about it AND
- // - statement is in not ambient context (statements in ambient context is already an error
- // so we should not report extras) AND
- // - node is not variable statement OR
- // - node is block scoped variable statement OR
- // - node is not block scoped variable statement and at least one variable declaration has initializer
- // Rationale: we don't want to report errors on non-initialized var's since they are hoisted
- // On the other side we do want to report errors on non-initialized 'lets' because of TDZ
- var isError_1 = ts.unreachableCodeIsError(options) &&
- !(node.flags & 8388608 /* Ambient */) &&
- (!ts.isVariableStatement(node) ||
- !!(ts.getCombinedNodeFlags(node.declarationList) & 3 /* BlockScoped */) ||
- node.declarationList.declarations.some(function (d) { return !!d.initializer; }));
- eachUnreachableRange(node, function (start, end) { return errorOrSuggestionOnRange(isError_1, start, end, ts.Diagnostics.Unreachable_code_detected); });
- }
- }
- }
- return true;
- }
- }
- function eachUnreachableRange(node, cb) {
- if (ts.isStatement(node) && isExecutableStatement(node) && ts.isBlock(node.parent)) {
- var statements = node.parent.statements;
- var slice_1 = ts.sliceAfter(statements, node);
- ts.getRangesWhere(slice_1, isExecutableStatement, function (start, afterEnd) { return cb(slice_1[start], slice_1[afterEnd - 1]); });
- }
- else {
- cb(node, node);
- }
- }
- // As opposed to a pure declaration like an `interface`
- function isExecutableStatement(s) {
- // Don't remove statements that can validly be used before they appear.
- return !ts.isFunctionDeclaration(s) && !isPurelyTypeDeclaration(s) && !ts.isEnumDeclaration(s) &&
- // `var x;` may declare a variable used above
- !(ts.isVariableStatement(s) && !(ts.getCombinedNodeFlags(s) & (1 /* Let */ | 2 /* Const */)) && s.declarationList.declarations.some(function (d) { return !d.initializer; }));
- }
- function isPurelyTypeDeclaration(s) {
- switch (s.kind) {
- case 246 /* InterfaceDeclaration */:
- case 247 /* TypeAliasDeclaration */:
- return true;
- case 249 /* ModuleDeclaration */:
- return getModuleInstanceState(s) !== 1 /* Instantiated */;
- case 248 /* EnumDeclaration */:
- return ts.hasModifier(s, 2048 /* Const */);
- default:
- return false;
- }
- }
- function isExportsOrModuleExportsOrAlias(sourceFile, node) {
- var i = 0;
- var q = [node];
- while (q.length && i < 100) {
- i++;
- node = q.shift();
- if (ts.isExportsIdentifier(node) || ts.isModuleExportsAccessExpression(node)) {
- return true;
- }
- else if (ts.isIdentifier(node)) {
- var symbol = lookupSymbolForNameWorker(sourceFile, node.escapedText);
- if (!!symbol && !!symbol.valueDeclaration && ts.isVariableDeclaration(symbol.valueDeclaration) && !!symbol.valueDeclaration.initializer) {
- var init = symbol.valueDeclaration.initializer;
- q.push(init);
- if (ts.isAssignmentExpression(init, /*excludeCompoundAssignment*/ true)) {
- q.push(init.left);
- q.push(init.right);
- }
- }
- }
- }
- return false;
- }
- ts.isExportsOrModuleExportsOrAlias = isExportsOrModuleExportsOrAlias;
- function lookupSymbolForNameWorker(container, name) {
- var local = container.locals && container.locals.get(name);
- if (local) {
- return local.exportSymbol || local;
- }
- if (ts.isSourceFile(container) && container.jsGlobalAugmentations && container.jsGlobalAugmentations.has(name)) {
- return container.jsGlobalAugmentations.get(name);
- }
- return container.symbol && container.symbol.exports && container.symbol.exports.get(name);
- }
- /**
- * Computes the transform flags for a node, given the transform flags of its subtree
- *
- * @param node The node to analyze
- * @param subtreeFlags Transform flags computed for this node's subtree
- */
- function computeTransformFlagsForNode(node, subtreeFlags) {
- var kind = node.kind;
- switch (kind) {
- case 196 /* CallExpression */:
- return computeCallExpression(node, subtreeFlags);
- case 197 /* NewExpression */:
- return computeNewExpression(node, subtreeFlags);
- case 249 /* ModuleDeclaration */:
- return computeModuleDeclaration(node, subtreeFlags);
- case 200 /* ParenthesizedExpression */:
- return computeParenthesizedExpression(node, subtreeFlags);
- case 209 /* BinaryExpression */:
- return computeBinaryExpression(node, subtreeFlags);
- case 226 /* ExpressionStatement */:
- return computeExpressionStatement(node, subtreeFlags);
- case 156 /* Parameter */:
- return computeParameter(node, subtreeFlags);
- case 202 /* ArrowFunction */:
- return computeArrowFunction(node, subtreeFlags);
- case 201 /* FunctionExpression */:
- return computeFunctionExpression(node, subtreeFlags);
- case 244 /* FunctionDeclaration */:
- return computeFunctionDeclaration(node, subtreeFlags);
- case 242 /* VariableDeclaration */:
- return computeVariableDeclaration(node, subtreeFlags);
- case 243 /* VariableDeclarationList */:
- return computeVariableDeclarationList(node, subtreeFlags);
- case 225 /* VariableStatement */:
- return computeVariableStatement(node, subtreeFlags);
- case 238 /* LabeledStatement */:
- return computeLabeledStatement(node, subtreeFlags);
- case 245 /* ClassDeclaration */:
- return computeClassDeclaration(node, subtreeFlags);
- case 214 /* ClassExpression */:
- return computeClassExpression(node, subtreeFlags);
- case 279 /* HeritageClause */:
- return computeHeritageClause(node, subtreeFlags);
- case 280 /* CatchClause */:
- return computeCatchClause(node, subtreeFlags);
- case 216 /* ExpressionWithTypeArguments */:
- return computeExpressionWithTypeArguments(node, subtreeFlags);
- case 162 /* Constructor */:
- return computeConstructor(node, subtreeFlags);
- case 159 /* PropertyDeclaration */:
- return computePropertyDeclaration(node, subtreeFlags);
- case 161 /* MethodDeclaration */:
- return computeMethod(node, subtreeFlags);
- case 163 /* GetAccessor */:
- case 164 /* SetAccessor */:
- return computeAccessor(node, subtreeFlags);
- case 253 /* ImportEqualsDeclaration */:
- return computeImportEquals(node, subtreeFlags);
- case 194 /* PropertyAccessExpression */:
- return computePropertyAccess(node, subtreeFlags);
- case 195 /* ElementAccessExpression */:
- return computeElementAccess(node, subtreeFlags);
- case 267 /* JsxSelfClosingElement */:
- case 268 /* JsxOpeningElement */:
- return computeJsxOpeningLikeElement(node, subtreeFlags);
- default:
- return computeOther(node, kind, subtreeFlags);
- }
- }
- ts.computeTransformFlagsForNode = computeTransformFlagsForNode;
- function computeCallExpression(node, subtreeFlags) {
- var transformFlags = subtreeFlags;
- var callee = ts.skipOuterExpressions(node.expression);
- var expression = node.expression;
- if (node.flags & 32 /* OptionalChain */) {
- transformFlags |= 8 /* ContainsES2020 */;
- }
- if (node.typeArguments) {
- transformFlags |= 1 /* AssertTypeScript */;
- }
- if (subtreeFlags & 8192 /* ContainsRestOrSpread */ || ts.isSuperOrSuperProperty(callee)) {
- // If the this node contains a SpreadExpression, or is a super call, then it is an ES6
- // node.
- transformFlags |= 256 /* AssertES2015 */;
- if (ts.isSuperProperty(callee)) {
- transformFlags |= 4096 /* ContainsLexicalThis */;
- }
- }
- if (expression.kind === 96 /* ImportKeyword */) {
- transformFlags |= 2097152 /* ContainsDynamicImport */;
- }
- node.transformFlags = transformFlags | 536870912 /* HasComputedFlags */;
- return transformFlags & ~536879104 /* ArrayLiteralOrCallOrNewExcludes */;
- }
- function computeNewExpression(node, subtreeFlags) {
- var transformFlags = subtreeFlags;
- if (node.typeArguments) {
- transformFlags |= 1 /* AssertTypeScript */;
- }
- if (subtreeFlags & 8192 /* ContainsRestOrSpread */) {
- // If the this node contains a SpreadElementExpression then it is an ES6
- // node.
- transformFlags |= 256 /* AssertES2015 */;
- }
- node.transformFlags = transformFlags | 536870912 /* HasComputedFlags */;
- return transformFlags & ~536879104 /* ArrayLiteralOrCallOrNewExcludes */;
- }
- function computeJsxOpeningLikeElement(node, subtreeFlags) {
- var transformFlags = subtreeFlags | 2 /* AssertJsx */;
- if (node.typeArguments) {
- transformFlags |= 1 /* AssertTypeScript */;
- }
- node.transformFlags = transformFlags | 536870912 /* HasComputedFlags */;
- return transformFlags & ~536870912 /* NodeExcludes */;
- }
- function computeBinaryExpression(node, subtreeFlags) {
- var transformFlags = subtreeFlags;
- var operatorTokenKind = node.operatorToken.kind;
- var leftKind = node.left.kind;
- if (operatorTokenKind === 60 /* QuestionQuestionToken */) {
- transformFlags |= 8 /* AssertES2020 */;
- }
- else if (operatorTokenKind === 62 /* EqualsToken */ && leftKind === 193 /* ObjectLiteralExpression */) {
- // Destructuring object assignments with are ES2015 syntax
- // and possibly ES2018 if they contain rest
- transformFlags |= 32 /* AssertES2018 */ | 256 /* AssertES2015 */ | 1024 /* AssertDestructuringAssignment */;
- }
- else if (operatorTokenKind === 62 /* EqualsToken */ && leftKind === 192 /* ArrayLiteralExpression */) {
- // Destructuring assignments are ES2015 syntax.
- transformFlags |= 256 /* AssertES2015 */ | 1024 /* AssertDestructuringAssignment */;
- }
- else if (operatorTokenKind === 42 /* AsteriskAsteriskToken */
- || operatorTokenKind === 66 /* AsteriskAsteriskEqualsToken */) {
- // Exponentiation is ES2016 syntax.
- transformFlags |= 128 /* AssertES2016 */;
- }
- node.transformFlags = transformFlags | 536870912 /* HasComputedFlags */;
- return transformFlags & ~536870912 /* NodeExcludes */;
- }
- function computeParameter(node, subtreeFlags) {
- var transformFlags = subtreeFlags;
- var name = node.name;
- var initializer = node.initializer;
- var dotDotDotToken = node.dotDotDotToken;
- // The '?' token, type annotations, decorators, and 'this' parameters are TypeSCript
- // syntax.
- if (node.questionToken
- || node.type
- || (subtreeFlags & 2048 /* ContainsTypeScriptClassSyntax */ && ts.some(node.decorators))
- || ts.isThisIdentifier(name)) {
- transformFlags |= 1 /* AssertTypeScript */;
- }
- // If a parameter has an accessibility modifier, then it is TypeScript syntax.
- if (ts.hasModifier(node, 92 /* ParameterPropertyModifier */)) {
- transformFlags |= 1 /* AssertTypeScript */ | 2048 /* ContainsTypeScriptClassSyntax */;
- }
- // parameters with object rest destructuring are ES2018 syntax
- if (subtreeFlags & 16384 /* ContainsObjectRestOrSpread */) {
- transformFlags |= 32 /* AssertES2018 */;
- }
- // If a parameter has an initializer, a binding pattern or a dotDotDot token, then
- // it is ES6 syntax and its container must emit default value assignments or parameter destructuring downlevel.
- if (subtreeFlags & 131072 /* ContainsBindingPattern */ || initializer || dotDotDotToken) {
- transformFlags |= 256 /* AssertES2015 */;
- }
- node.transformFlags = transformFlags | 536870912 /* HasComputedFlags */;
- return transformFlags & ~536870912 /* ParameterExcludes */;
- }
- function computeParenthesizedExpression(node, subtreeFlags) {
- var transformFlags = subtreeFlags;
- var expression = node.expression;
- var expressionKind = expression.kind;
- // If the node is synthesized, it means the emitter put the parentheses there,
- // not the user. If we didn't want them, the emitter would not have put them
- // there.
- if (expressionKind === 217 /* AsExpression */
- || expressionKind === 199 /* TypeAssertionExpression */) {
- transformFlags |= 1 /* AssertTypeScript */;
- }
- node.transformFlags = transformFlags | 536870912 /* HasComputedFlags */;
- return transformFlags & ~536870912 /* OuterExpressionExcludes */;
- }
- function computeClassDeclaration(node, subtreeFlags) {
- var transformFlags;
- if (ts.hasModifier(node, 2 /* Ambient */)) {
- // An ambient declaration is TypeScript syntax.
- transformFlags = 1 /* AssertTypeScript */;
- }
- else {
- // A ClassDeclaration is ES6 syntax.
- transformFlags = subtreeFlags | 256 /* AssertES2015 */;
- // A class with a parameter property assignment or decorator is TypeScript syntax.
- // An exported declaration may be TypeScript syntax, but is handled by the visitor
- // for a namespace declaration.
- if ((subtreeFlags & 2048 /* ContainsTypeScriptClassSyntax */)
- || node.typeParameters) {
- transformFlags |= 1 /* AssertTypeScript */;
- }
- }
- node.transformFlags = transformFlags | 536870912 /* HasComputedFlags */;
- return transformFlags & ~536905728 /* ClassExcludes */;
- }
- function computeClassExpression(node, subtreeFlags) {
- // A ClassExpression is ES6 syntax.
- var transformFlags = subtreeFlags | 256 /* AssertES2015 */;
- // A class with a parameter property assignment or decorator is TypeScript syntax.
- if (subtreeFlags & 2048 /* ContainsTypeScriptClassSyntax */
- || node.typeParameters) {
- transformFlags |= 1 /* AssertTypeScript */;
- }
- node.transformFlags = transformFlags | 536870912 /* HasComputedFlags */;
- return transformFlags & ~536905728 /* ClassExcludes */;
- }
- function computeHeritageClause(node, subtreeFlags) {
- var transformFlags = subtreeFlags;
- switch (node.token) {
- case 90 /* ExtendsKeyword */:
- // An `extends` HeritageClause is ES6 syntax.
- transformFlags |= 256 /* AssertES2015 */;
- break;
- case 113 /* ImplementsKeyword */:
- // An `implements` HeritageClause is TypeScript syntax.
- transformFlags |= 1 /* AssertTypeScript */;
- break;
- default:
- ts.Debug.fail("Unexpected token for heritage clause");
- break;
- }
- node.transformFlags = transformFlags | 536870912 /* HasComputedFlags */;
- return transformFlags & ~536870912 /* NodeExcludes */;
- }
- function computeCatchClause(node, subtreeFlags) {
- var transformFlags = subtreeFlags;
- if (!node.variableDeclaration) {
- transformFlags |= 16 /* AssertES2019 */;
- }
- else if (ts.isBindingPattern(node.variableDeclaration.name)) {
- transformFlags |= 256 /* AssertES2015 */;
- }
- node.transformFlags = transformFlags | 536870912 /* HasComputedFlags */;
- return transformFlags & ~536887296 /* CatchClauseExcludes */;
- }
- function computeExpressionWithTypeArguments(node, subtreeFlags) {
- // An ExpressionWithTypeArguments is ES6 syntax, as it is used in the
- // extends clause of a class.
- var transformFlags = subtreeFlags | 256 /* AssertES2015 */;
- // If an ExpressionWithTypeArguments contains type arguments, then it
- // is TypeScript syntax.
- if (node.typeArguments) {
- transformFlags |= 1 /* AssertTypeScript */;
- }
- node.transformFlags = transformFlags | 536870912 /* HasComputedFlags */;
- return transformFlags & ~536870912 /* NodeExcludes */;
- }
- function computeConstructor(node, subtreeFlags) {
- var transformFlags = subtreeFlags;
- // TypeScript-specific modifiers and overloads are TypeScript syntax
- if (ts.hasModifier(node, 2270 /* TypeScriptModifier */)
- || !node.body) {
- transformFlags |= 1 /* AssertTypeScript */;
- }
- // function declarations with object rest destructuring are ES2018 syntax
- if (subtreeFlags & 16384 /* ContainsObjectRestOrSpread */) {
- transformFlags |= 32 /* AssertES2018 */;
- }
- node.transformFlags = transformFlags | 536870912 /* HasComputedFlags */;
- return transformFlags & ~538923008 /* ConstructorExcludes */;
- }
- function computeMethod(node, subtreeFlags) {
- // A MethodDeclaration is ES6 syntax.
- var transformFlags = subtreeFlags | 256 /* AssertES2015 */;
- // Decorators, TypeScript-specific modifiers, type parameters, type annotations, and
- // overloads are TypeScript syntax.
- if (node.decorators
- || ts.hasModifier(node, 2270 /* TypeScriptModifier */)
- || node.typeParameters
- || node.type
- || !node.body
- || node.questionToken) {
- transformFlags |= 1 /* AssertTypeScript */;
- }
- // function declarations with object rest destructuring are ES2018 syntax
- if (subtreeFlags & 16384 /* ContainsObjectRestOrSpread */) {
- transformFlags |= 32 /* AssertES2018 */;
- }
- // An async method declaration is ES2017 syntax.
- if (ts.hasModifier(node, 256 /* Async */)) {
- transformFlags |= node.asteriskToken ? 32 /* AssertES2018 */ : 64 /* AssertES2017 */;
- }
- if (node.asteriskToken) {
- transformFlags |= 512 /* AssertGenerator */;
- }
- node.transformFlags = transformFlags | 536870912 /* HasComputedFlags */;
- return propagatePropertyNameFlags(node.name, transformFlags & ~538923008 /* MethodOrAccessorExcludes */);
- }
- function computeAccessor(node, subtreeFlags) {
- var transformFlags = subtreeFlags;
- // Decorators, TypeScript-specific modifiers, type annotations, and overloads are
- // TypeScript syntax.
- if (node.decorators
- || ts.hasModifier(node, 2270 /* TypeScriptModifier */)
- || node.type
- || !node.body) {
- transformFlags |= 1 /* AssertTypeScript */;
- }
- // function declarations with object rest destructuring are ES2018 syntax
- if (subtreeFlags & 16384 /* ContainsObjectRestOrSpread */) {
- transformFlags |= 32 /* AssertES2018 */;
- }
- node.transformFlags = transformFlags | 536870912 /* HasComputedFlags */;
- return propagatePropertyNameFlags(node.name, transformFlags & ~538923008 /* MethodOrAccessorExcludes */);
- }
- function computePropertyDeclaration(node, subtreeFlags) {
- var transformFlags = subtreeFlags | 4194304 /* ContainsClassFields */;
- // Decorators, TypeScript-specific modifiers, and type annotations are TypeScript syntax.
- if (ts.some(node.decorators) || ts.hasModifier(node, 2270 /* TypeScriptModifier */) || node.type || node.questionToken || node.exclamationToken) {
- transformFlags |= 1 /* AssertTypeScript */;
- }
- // Hoisted variables related to class properties should live within the TypeScript class wrapper.
- if (ts.isComputedPropertyName(node.name) || (ts.hasStaticModifier(node) && node.initializer)) {
- transformFlags |= 2048 /* ContainsTypeScriptClassSyntax */;
- }
- node.transformFlags = transformFlags | 536870912 /* HasComputedFlags */;
- return propagatePropertyNameFlags(node.name, transformFlags & ~536875008 /* PropertyExcludes */);
- }
- function computeFunctionDeclaration(node, subtreeFlags) {
- var transformFlags;
- var modifierFlags = ts.getModifierFlags(node);
- var body = node.body;
- if (!body || (modifierFlags & 2 /* Ambient */)) {
- // An ambient declaration is TypeScript syntax.
- // A FunctionDeclaration without a body is an overload and is TypeScript syntax.
- transformFlags = 1 /* AssertTypeScript */;
- }
- else {
- transformFlags = subtreeFlags | 1048576 /* ContainsHoistedDeclarationOrCompletion */;
- // TypeScript-specific modifiers, type parameters, and type annotations are TypeScript
- // syntax.
- if (modifierFlags & 2270 /* TypeScriptModifier */
- || node.typeParameters
- || node.type) {
- transformFlags |= 1 /* AssertTypeScript */;
- }
- // An async function declaration is ES2017 syntax.
- if (modifierFlags & 256 /* Async */) {
- transformFlags |= node.asteriskToken ? 32 /* AssertES2018 */ : 64 /* AssertES2017 */;
- }
- // function declarations with object rest destructuring are ES2018 syntax
- if (subtreeFlags & 16384 /* ContainsObjectRestOrSpread */) {
- transformFlags |= 32 /* AssertES2018 */;
- }
- // If a FunctionDeclaration is generator function and is the body of a
- // transformed async function, then this node can be transformed to a
- // down-level generator.
- // Currently we do not support transforming any other generator functions
- // down level.
- if (node.asteriskToken) {
- transformFlags |= 512 /* AssertGenerator */;
- }
- }
- node.transformFlags = transformFlags | 536870912 /* HasComputedFlags */;
- return transformFlags & ~538925056 /* FunctionExcludes */;
- }
- function computeFunctionExpression(node, subtreeFlags) {
- var transformFlags = subtreeFlags;
- // TypeScript-specific modifiers, type parameters, and type annotations are TypeScript
- // syntax.
- if (ts.hasModifier(node, 2270 /* TypeScriptModifier */)
- || node.typeParameters
- || node.type) {
- transformFlags |= 1 /* AssertTypeScript */;
- }
- // An async function expression is ES2017 syntax.
- if (ts.hasModifier(node, 256 /* Async */)) {
- transformFlags |= node.asteriskToken ? 32 /* AssertES2018 */ : 64 /* AssertES2017 */;
- }
- // function expressions with object rest destructuring are ES2018 syntax
- if (subtreeFlags & 16384 /* ContainsObjectRestOrSpread */) {
- transformFlags |= 32 /* AssertES2018 */;
- }
- // If a FunctionExpression is generator function and is the body of a
- // transformed async function, then this node can be transformed to a
- // down-level generator.
- if (node.asteriskToken) {
- transformFlags |= 512 /* AssertGenerator */;
- }
- node.transformFlags = transformFlags | 536870912 /* HasComputedFlags */;
- return transformFlags & ~538925056 /* FunctionExcludes */;
- }
- function computeArrowFunction(node, subtreeFlags) {
- // An ArrowFunction is ES6 syntax, and excludes markers that should not escape the scope of an ArrowFunction.
- var transformFlags = subtreeFlags | 256 /* AssertES2015 */;
- // TypeScript-specific modifiers, type parameters, and type annotations are TypeScript
- // syntax.
- if (ts.hasModifier(node, 2270 /* TypeScriptModifier */)
- || node.typeParameters
- || node.type) {
- transformFlags |= 1 /* AssertTypeScript */;
- }
- // An async arrow function is ES2017 syntax.
- if (ts.hasModifier(node, 256 /* Async */)) {
- transformFlags |= 64 /* AssertES2017 */;
- }
- // arrow functions with object rest destructuring are ES2018 syntax
- if (subtreeFlags & 16384 /* ContainsObjectRestOrSpread */) {
- transformFlags |= 32 /* AssertES2018 */;
- }
- node.transformFlags = transformFlags | 536870912 /* HasComputedFlags */;
- return transformFlags & ~538920960 /* ArrowFunctionExcludes */;
- }
- function computePropertyAccess(node, subtreeFlags) {
- var transformFlags = subtreeFlags;
- if (node.flags & 32 /* OptionalChain */) {
- transformFlags |= 8 /* ContainsES2020 */;
- }
- // If a PropertyAccessExpression starts with a super keyword, then it is
- // ES6 syntax, and requires a lexical `this` binding.
- if (node.expression.kind === 102 /* SuperKeyword */) {
- // super inside of an async function requires hoisting the super access (ES2017).
- // same for super inside of an async generator, which is ES2018.
- transformFlags |= 64 /* ContainsES2017 */ | 32 /* ContainsES2018 */;
- }
- node.transformFlags = transformFlags | 536870912 /* HasComputedFlags */;
- return transformFlags & ~536870912 /* PropertyAccessExcludes */;
- }
- function computeElementAccess(node, subtreeFlags) {
- var transformFlags = subtreeFlags;
- if (node.flags & 32 /* OptionalChain */) {
- transformFlags |= 8 /* ContainsES2020 */;
- }
- // If an ElementAccessExpression starts with a super keyword, then it is
- // ES6 syntax, and requires a lexical `this` binding.
- if (node.expression.kind === 102 /* SuperKeyword */) {
- // super inside of an async function requires hoisting the super access (ES2017).
- // same for super inside of an async generator, which is ES2018.
- transformFlags |= 64 /* ContainsES2017 */ | 32 /* ContainsES2018 */;
- }
- node.transformFlags = transformFlags | 536870912 /* HasComputedFlags */;
- return transformFlags & ~536870912 /* PropertyAccessExcludes */;
- }
- function computeVariableDeclaration(node, subtreeFlags) {
- var transformFlags = subtreeFlags;
- transformFlags |= 256 /* AssertES2015 */ | 131072 /* ContainsBindingPattern */; // TODO(rbuckton): Why are these set unconditionally?
- // A VariableDeclaration containing ObjectRest is ES2018 syntax
- if (subtreeFlags & 16384 /* ContainsObjectRestOrSpread */) {
- transformFlags |= 32 /* AssertES2018 */;
- }
- // Type annotations are TypeScript syntax.
- if (node.type || node.exclamationToken) {
- transformFlags |= 1 /* AssertTypeScript */;
- }
- node.transformFlags = transformFlags | 536870912 /* HasComputedFlags */;
- return transformFlags & ~536870912 /* NodeExcludes */;
- }
- function computeVariableStatement(node, subtreeFlags) {
- var transformFlags;
- var declarationListTransformFlags = node.declarationList.transformFlags;
- // An ambient declaration is TypeScript syntax.
- if (ts.hasModifier(node, 2 /* Ambient */)) {
- transformFlags = 1 /* AssertTypeScript */;
- }
- else {
- transformFlags = subtreeFlags;
- if (declarationListTransformFlags & 131072 /* ContainsBindingPattern */) {
- transformFlags |= 256 /* AssertES2015 */;
- }
- }
- node.transformFlags = transformFlags | 536870912 /* HasComputedFlags */;
- return transformFlags & ~536870912 /* NodeExcludes */;
- }
- function computeLabeledStatement(node, subtreeFlags) {
- var transformFlags = subtreeFlags;
- // A labeled statement containing a block scoped binding *may* need to be transformed from ES6.
- if (subtreeFlags & 65536 /* ContainsBlockScopedBinding */
- && ts.isIterationStatement(node, /*lookInLabeledStatements*/ true)) {
- transformFlags |= 256 /* AssertES2015 */;
- }
- node.transformFlags = transformFlags | 536870912 /* HasComputedFlags */;
- return transformFlags & ~536870912 /* NodeExcludes */;
- }
- function computeImportEquals(node, subtreeFlags) {
- var transformFlags = subtreeFlags;
- // An ImportEqualsDeclaration with a namespace reference is TypeScript.
- if (!ts.isExternalModuleImportEqualsDeclaration(node)) {
- transformFlags |= 1 /* AssertTypeScript */;
- }
- node.transformFlags = transformFlags | 536870912 /* HasComputedFlags */;
- return transformFlags & ~536870912 /* NodeExcludes */;
- }
- function computeExpressionStatement(node, subtreeFlags) {
- var transformFlags = subtreeFlags;
- node.transformFlags = transformFlags | 536870912 /* HasComputedFlags */;
- return transformFlags & ~536870912 /* NodeExcludes */;
- }
- function computeModuleDeclaration(node, subtreeFlags) {
- var transformFlags = 1 /* AssertTypeScript */;
- var modifierFlags = ts.getModifierFlags(node);
- if ((modifierFlags & 2 /* Ambient */) === 0) {
- transformFlags |= subtreeFlags;
- }
- node.transformFlags = transformFlags | 536870912 /* HasComputedFlags */;
- return transformFlags & ~537991168 /* ModuleExcludes */;
- }
- function computeVariableDeclarationList(node, subtreeFlags) {
- var transformFlags = subtreeFlags | 1048576 /* ContainsHoistedDeclarationOrCompletion */;
- if (subtreeFlags & 131072 /* ContainsBindingPattern */) {
- transformFlags |= 256 /* AssertES2015 */;
- }
- // If a VariableDeclarationList is `let` or `const`, then it is ES6 syntax.
- if (node.flags & 3 /* BlockScoped */) {
- transformFlags |= 256 /* AssertES2015 */ | 65536 /* ContainsBlockScopedBinding */;
- }
- node.transformFlags = transformFlags | 536870912 /* HasComputedFlags */;
- return transformFlags & ~537018368 /* VariableDeclarationListExcludes */;
- }
- function computeOther(node, kind, subtreeFlags) {
- // Mark transformations needed for each node
- var transformFlags = subtreeFlags;
- var excludeFlags = 536870912 /* NodeExcludes */;
- switch (kind) {
- case 126 /* AsyncKeyword */:
- // async is ES2017 syntax, but may be ES2018 syntax (for async generators)
- transformFlags |= 32 /* AssertES2018 */ | 64 /* AssertES2017 */;
- break;
- case 206 /* AwaitExpression */:
- // await is ES2017 syntax, but may be ES2018 syntax (for async generators)
- transformFlags |= 32 /* AssertES2018 */ | 64 /* AssertES2017 */ | 524288 /* ContainsAwait */;
- break;
- case 199 /* TypeAssertionExpression */:
- case 217 /* AsExpression */:
- case 326 /* PartiallyEmittedExpression */:
- // These nodes are TypeScript syntax.
- transformFlags |= 1 /* AssertTypeScript */;
- excludeFlags = 536870912 /* OuterExpressionExcludes */;
- break;
- case 119 /* PublicKeyword */:
- case 117 /* PrivateKeyword */:
- case 118 /* ProtectedKeyword */:
- case 122 /* AbstractKeyword */:
- case 130 /* DeclareKeyword */:
- case 81 /* ConstKeyword */:
- case 248 /* EnumDeclaration */:
- case 284 /* EnumMember */:
- case 218 /* NonNullExpression */:
- case 138 /* ReadonlyKeyword */:
- // These nodes are TypeScript syntax.
- transformFlags |= 1 /* AssertTypeScript */;
- break;
- case 266 /* JsxElement */:
- case 11 /* JsxText */:
- case 269 /* JsxClosingElement */:
- case 270 /* JsxFragment */:
- case 271 /* JsxOpeningFragment */:
- case 272 /* JsxClosingFragment */:
- case 273 /* JsxAttribute */:
- case 274 /* JsxAttributes */:
- case 275 /* JsxSpreadAttribute */:
- case 276 /* JsxExpression */:
- // These nodes are Jsx syntax.
- transformFlags |= 2 /* AssertJsx */;
- break;
- case 14 /* NoSubstitutionTemplateLiteral */:
- case 15 /* TemplateHead */:
- case 16 /* TemplateMiddle */:
- case 17 /* TemplateTail */:
- if (node.templateFlags) {
- transformFlags |= 32 /* AssertES2018 */;
- break;
- }
- // falls through
- case 198 /* TaggedTemplateExpression */:
- if (ts.hasInvalidEscape(node.template)) {
- transformFlags |= 32 /* AssertES2018 */;
- break;
- }
- // falls through
- case 211 /* TemplateExpression */:
- case 282 /* ShorthandPropertyAssignment */:
- case 120 /* StaticKeyword */:
- case 219 /* MetaProperty */:
- // These nodes are ES6 syntax.
- transformFlags |= 256 /* AssertES2015 */;
- break;
- case 10 /* StringLiteral */:
- if (node.hasExtendedUnicodeEscape) {
- transformFlags |= 256 /* AssertES2015 */;
- }
- break;
- case 8 /* NumericLiteral */:
- if (node.numericLiteralFlags & 384 /* BinaryOrOctalSpecifier */) {
- transformFlags |= 256 /* AssertES2015 */;
- }
- break;
- case 9 /* BigIntLiteral */:
- transformFlags |= 4 /* AssertESNext */;
- break;
- case 232 /* ForOfStatement */:
- // This node is either ES2015 syntax or ES2017 syntax (if it is a for-await-of).
- if (node.awaitModifier) {
- transformFlags |= 32 /* AssertES2018 */;
- }
- transformFlags |= 256 /* AssertES2015 */;
- break;
- case 212 /* YieldExpression */:
- // This node is either ES2015 syntax (in a generator) or ES2017 syntax (in an async
- // generator).
- transformFlags |= 32 /* AssertES2018 */ | 256 /* AssertES2015 */ | 262144 /* ContainsYield */;
- break;
- case 125 /* AnyKeyword */:
- case 140 /* NumberKeyword */:
- case 151 /* BigIntKeyword */:
- case 137 /* NeverKeyword */:
- case 141 /* ObjectKeyword */:
- case 143 /* StringKeyword */:
- case 128 /* BooleanKeyword */:
- case 144 /* SymbolKeyword */:
- case 110 /* VoidKeyword */:
- case 155 /* TypeParameter */:
- case 158 /* PropertySignature */:
- case 160 /* MethodSignature */:
- case 165 /* CallSignature */:
- case 166 /* ConstructSignature */:
- case 167 /* IndexSignature */:
- case 168 /* TypePredicate */:
- case 169 /* TypeReference */:
- case 170 /* FunctionType */:
- case 171 /* ConstructorType */:
- case 172 /* TypeQuery */:
- case 173 /* TypeLiteral */:
- case 174 /* ArrayType */:
- case 175 /* TupleType */:
- case 176 /* OptionalType */:
- case 177 /* RestType */:
- case 178 /* UnionType */:
- case 179 /* IntersectionType */:
- case 180 /* ConditionalType */:
- case 181 /* InferType */:
- case 182 /* ParenthesizedType */:
- case 246 /* InterfaceDeclaration */:
- case 247 /* TypeAliasDeclaration */:
- case 183 /* ThisType */:
- case 184 /* TypeOperator */:
- case 185 /* IndexedAccessType */:
- case 186 /* MappedType */:
- case 187 /* LiteralType */:
- case 252 /* NamespaceExportDeclaration */:
- // Types and signatures are TypeScript syntax, and exclude all other facts.
- transformFlags = 1 /* AssertTypeScript */;
- excludeFlags = -2 /* TypeExcludes */;
- break;
- case 154 /* ComputedPropertyName */:
- // Even though computed property names are ES6, we don't treat them as such.
- // This is so that they can flow through PropertyName transforms unaffected.
- // Instead, we mark the container as ES6, so that it can properly handle the transform.
- transformFlags |= 32768 /* ContainsComputedPropertyName */;
- break;
- case 213 /* SpreadElement */:
- transformFlags |= 256 /* AssertES2015 */ | 8192 /* ContainsRestOrSpread */;
- break;
- case 283 /* SpreadAssignment */:
- transformFlags |= 32 /* AssertES2018 */ | 16384 /* ContainsObjectRestOrSpread */;
- break;
- case 102 /* SuperKeyword */:
- // This node is ES6 syntax.
- transformFlags |= 256 /* AssertES2015 */;
- excludeFlags = 536870912 /* OuterExpressionExcludes */; // must be set to persist `Super`
- break;
- case 104 /* ThisKeyword */:
- // Mark this node and its ancestors as containing a lexical `this` keyword.
- transformFlags |= 4096 /* ContainsLexicalThis */;
- break;
- case 189 /* ObjectBindingPattern */:
- transformFlags |= 256 /* AssertES2015 */ | 131072 /* ContainsBindingPattern */;
- if (subtreeFlags & 8192 /* ContainsRestOrSpread */) {
- transformFlags |= 32 /* AssertES2018 */ | 16384 /* ContainsObjectRestOrSpread */;
- }
- excludeFlags = 536879104 /* BindingPatternExcludes */;
- break;
- case 190 /* ArrayBindingPattern */:
- transformFlags |= 256 /* AssertES2015 */ | 131072 /* ContainsBindingPattern */;
- excludeFlags = 536879104 /* BindingPatternExcludes */;
- break;
- case 191 /* BindingElement */:
- transformFlags |= 256 /* AssertES2015 */;
- if (node.dotDotDotToken) {
- transformFlags |= 8192 /* ContainsRestOrSpread */;
- }
- break;
- case 157 /* Decorator */:
- // This node is TypeScript syntax, and marks its container as also being TypeScript syntax.
- transformFlags |= 1 /* AssertTypeScript */ | 2048 /* ContainsTypeScriptClassSyntax */;
- break;
- case 193 /* ObjectLiteralExpression */:
- excludeFlags = 536922112 /* ObjectLiteralExcludes */;
- if (subtreeFlags & 32768 /* ContainsComputedPropertyName */) {
- // If an ObjectLiteralExpression contains a ComputedPropertyName, then it
- // is an ES6 node.
- transformFlags |= 256 /* AssertES2015 */;
- }
- if (subtreeFlags & 16384 /* ContainsObjectRestOrSpread */) {
- // If an ObjectLiteralExpression contains a spread element, then it
- // is an ES2018 node.
- transformFlags |= 32 /* AssertES2018 */;
- }
- break;
- case 192 /* ArrayLiteralExpression */:
- excludeFlags = 536879104 /* ArrayLiteralOrCallOrNewExcludes */;
- break;
- case 228 /* DoStatement */:
- case 229 /* WhileStatement */:
- case 230 /* ForStatement */:
- case 231 /* ForInStatement */:
- // A loop containing a block scoped binding *may* need to be transformed from ES6.
- if (subtreeFlags & 65536 /* ContainsBlockScopedBinding */) {
- transformFlags |= 256 /* AssertES2015 */;
- }
- break;
- case 290 /* SourceFile */:
- break;
- case 262 /* NamespaceExport */:
- transformFlags |= 4 /* AssertESNext */;
- break;
- case 235 /* ReturnStatement */:
- // Return statements may require an `await` in ES2018.
- transformFlags |= 1048576 /* ContainsHoistedDeclarationOrCompletion */ | 32 /* AssertES2018 */;
- break;
- case 233 /* ContinueStatement */:
- case 234 /* BreakStatement */:
- transformFlags |= 1048576 /* ContainsHoistedDeclarationOrCompletion */;
- break;
- case 76 /* PrivateIdentifier */:
- transformFlags |= 4194304 /* ContainsClassFields */;
- break;
- }
- node.transformFlags = transformFlags | 536870912 /* HasComputedFlags */;
- return transformFlags & ~excludeFlags;
- }
- function propagatePropertyNameFlags(node, transformFlags) {
- return transformFlags | (node.transformFlags & 4096 /* PropertyNamePropagatingFlags */);
- }
- /**
- * Gets the transform flags to exclude when unioning the transform flags of a subtree.
- *
- * NOTE: This needs to be kept up-to-date with the exclusions used in `computeTransformFlagsForNode`.
- * For performance reasons, `computeTransformFlagsForNode` uses local constant values rather
- * than calling this function.
- */
- function getTransformFlagsSubtreeExclusions(kind) {
- if (kind >= 168 /* FirstTypeNode */ && kind <= 188 /* LastTypeNode */) {
- return -2 /* TypeExcludes */;
- }
- switch (kind) {
- case 196 /* CallExpression */:
- case 197 /* NewExpression */:
- case 192 /* ArrayLiteralExpression */:
- return 536879104 /* ArrayLiteralOrCallOrNewExcludes */;
- case 249 /* ModuleDeclaration */:
- return 537991168 /* ModuleExcludes */;
- case 156 /* Parameter */:
- return 536870912 /* ParameterExcludes */;
- case 202 /* ArrowFunction */:
- return 538920960 /* ArrowFunctionExcludes */;
- case 201 /* FunctionExpression */:
- case 244 /* FunctionDeclaration */:
- return 538925056 /* FunctionExcludes */;
- case 243 /* VariableDeclarationList */:
- return 537018368 /* VariableDeclarationListExcludes */;
- case 245 /* ClassDeclaration */:
- case 214 /* ClassExpression */:
- return 536905728 /* ClassExcludes */;
- case 162 /* Constructor */:
- return 538923008 /* ConstructorExcludes */;
- case 161 /* MethodDeclaration */:
- case 163 /* GetAccessor */:
- case 164 /* SetAccessor */:
- return 538923008 /* MethodOrAccessorExcludes */;
- case 125 /* AnyKeyword */:
- case 140 /* NumberKeyword */:
- case 151 /* BigIntKeyword */:
- case 137 /* NeverKeyword */:
- case 143 /* StringKeyword */:
- case 141 /* ObjectKeyword */:
- case 128 /* BooleanKeyword */:
- case 144 /* SymbolKeyword */:
- case 110 /* VoidKeyword */:
- case 155 /* TypeParameter */:
- case 158 /* PropertySignature */:
- case 160 /* MethodSignature */:
- case 165 /* CallSignature */:
- case 166 /* ConstructSignature */:
- case 167 /* IndexSignature */:
- case 246 /* InterfaceDeclaration */:
- case 247 /* TypeAliasDeclaration */:
- return -2 /* TypeExcludes */;
- case 193 /* ObjectLiteralExpression */:
- return 536922112 /* ObjectLiteralExcludes */;
- case 280 /* CatchClause */:
- return 536887296 /* CatchClauseExcludes */;
- case 189 /* ObjectBindingPattern */:
- case 190 /* ArrayBindingPattern */:
- return 536879104 /* BindingPatternExcludes */;
- case 199 /* TypeAssertionExpression */:
- case 217 /* AsExpression */:
- case 326 /* PartiallyEmittedExpression */:
- case 200 /* ParenthesizedExpression */:
- case 102 /* SuperKeyword */:
- return 536870912 /* OuterExpressionExcludes */;
- case 194 /* PropertyAccessExpression */:
- case 195 /* ElementAccessExpression */:
- return 536870912 /* PropertyAccessExcludes */;
- default:
- return 536870912 /* NodeExcludes */;
- }
- }
- ts.getTransformFlagsSubtreeExclusions = getTransformFlagsSubtreeExclusions;
- /**
- * "Binds" JSDoc nodes in TypeScript code.
- * Since we will never create symbols for JSDoc, we just set parent pointers instead.
- */
- function setParentPointers(parent, child) {
- child.parent = parent;
- ts.forEachChild(child, function (grandchild) { return setParentPointers(child, grandchild); });
- }
-})(ts || (ts = {}));
-/** @internal */
-var ts;
-(function (ts) {
- function createGetSymbolWalker(getRestTypeOfSignature, getTypePredicateOfSignature, getReturnTypeOfSignature, getBaseTypes, resolveStructuredTypeMembers, getTypeOfSymbol, getResolvedSymbol, getIndexTypeOfStructuredType, getConstraintOfTypeParameter, getFirstIdentifier, getTypeArguments) {
- return getSymbolWalker;
- function getSymbolWalker(accept) {
- if (accept === void 0) { accept = function () { return true; }; }
- var visitedTypes = []; // Sparse array from id to type
- var visitedSymbols = []; // Sparse array from id to symbol
- return {
- walkType: function (type) {
- try {
- visitType(type);
- return { visitedTypes: ts.getOwnValues(visitedTypes), visitedSymbols: ts.getOwnValues(visitedSymbols) };
- }
- finally {
- ts.clear(visitedTypes);
- ts.clear(visitedSymbols);
- }
- },
- walkSymbol: function (symbol) {
- try {
- visitSymbol(symbol);
- return { visitedTypes: ts.getOwnValues(visitedTypes), visitedSymbols: ts.getOwnValues(visitedSymbols) };
- }
- finally {
- ts.clear(visitedTypes);
- ts.clear(visitedSymbols);
- }
- },
- };
- function visitType(type) {
- if (!type) {
- return;
- }
- if (visitedTypes[type.id]) {
- return;
- }
- visitedTypes[type.id] = type;
- // Reuse visitSymbol to visit the type's symbol,
- // but be sure to bail on recuring into the type if accept declines the symbol.
- var shouldBail = visitSymbol(type.symbol);
- if (shouldBail)
- return;
- // Visit the type's related types, if any
- if (type.flags & 524288 /* Object */) {
- var objectType = type;
- var objectFlags = objectType.objectFlags;
- if (objectFlags & 4 /* Reference */) {
- visitTypeReference(type);
- }
- if (objectFlags & 32 /* Mapped */) {
- visitMappedType(type);
- }
- if (objectFlags & (1 /* Class */ | 2 /* Interface */)) {
- visitInterfaceType(type);
- }
- if (objectFlags & (8 /* Tuple */ | 16 /* Anonymous */)) {
- visitObjectType(objectType);
- }
- }
- if (type.flags & 262144 /* TypeParameter */) {
- visitTypeParameter(type);
- }
- if (type.flags & 3145728 /* UnionOrIntersection */) {
- visitUnionOrIntersectionType(type);
- }
- if (type.flags & 4194304 /* Index */) {
- visitIndexType(type);
- }
- if (type.flags & 8388608 /* IndexedAccess */) {
- visitIndexedAccessType(type);
- }
- }
- function visitTypeReference(type) {
- visitType(type.target);
- ts.forEach(getTypeArguments(type), visitType);
- }
- function visitTypeParameter(type) {
- visitType(getConstraintOfTypeParameter(type));
- }
- function visitUnionOrIntersectionType(type) {
- ts.forEach(type.types, visitType);
- }
- function visitIndexType(type) {
- visitType(type.type);
- }
- function visitIndexedAccessType(type) {
- visitType(type.objectType);
- visitType(type.indexType);
- visitType(type.constraint);
- }
- function visitMappedType(type) {
- visitType(type.typeParameter);
- visitType(type.constraintType);
- visitType(type.templateType);
- visitType(type.modifiersType);
- }
- function visitSignature(signature) {
- var typePredicate = getTypePredicateOfSignature(signature);
- if (typePredicate) {
- visitType(typePredicate.type);
- }
- ts.forEach(signature.typeParameters, visitType);
- for (var _i = 0, _a = signature.parameters; _i < _a.length; _i++) {
- var parameter = _a[_i];
- visitSymbol(parameter);
- }
- visitType(getRestTypeOfSignature(signature));
- visitType(getReturnTypeOfSignature(signature));
- }
- function visitInterfaceType(interfaceT) {
- visitObjectType(interfaceT);
- ts.forEach(interfaceT.typeParameters, visitType);
- ts.forEach(getBaseTypes(interfaceT), visitType);
- visitType(interfaceT.thisType);
- }
- function visitObjectType(type) {
- var stringIndexType = getIndexTypeOfStructuredType(type, 0 /* String */);
- visitType(stringIndexType);
- var numberIndexType = getIndexTypeOfStructuredType(type, 1 /* Number */);
- visitType(numberIndexType);
- // The two checks above *should* have already resolved the type (if needed), so this should be cached
- var resolved = resolveStructuredTypeMembers(type);
- for (var _i = 0, _a = resolved.callSignatures; _i < _a.length; _i++) {
- var signature = _a[_i];
- visitSignature(signature);
- }
- for (var _b = 0, _c = resolved.constructSignatures; _b < _c.length; _b++) {
- var signature = _c[_b];
- visitSignature(signature);
- }
- for (var _d = 0, _e = resolved.properties; _d < _e.length; _d++) {
- var p = _e[_d];
- visitSymbol(p);
- }
- }
- function visitSymbol(symbol) {
- if (!symbol) {
- return false;
- }
- var symbolId = ts.getSymbolId(symbol);
- if (visitedSymbols[symbolId]) {
- return false;
- }
- visitedSymbols[symbolId] = symbol;
- if (!accept(symbol)) {
- return true;
- }
- var t = getTypeOfSymbol(symbol);
- visitType(t); // Should handle members on classes and such
- if (symbol.exports) {
- symbol.exports.forEach(visitSymbol);
- }
- ts.forEach(symbol.declarations, function (d) {
- // Type queries are too far resolved when we just visit the symbol's type
- // (their type resolved directly to the member deeply referenced)
- // So to get the intervening symbols, we need to check if there's a type
- // query node on any of the symbol's declarations and get symbols there
- if (d.type && d.type.kind === 172 /* TypeQuery */) {
- var query = d.type;
- var entity = getResolvedSymbol(getFirstIdentifier(query.exprName));
- visitSymbol(entity);
- }
- });
- return false;
- }
- }
- }
- ts.createGetSymbolWalker = createGetSymbolWalker;
-})(ts || (ts = {}));
-/* @internal */
-var ts;
-(function (ts) {
- var ambientModuleSymbolRegex = /^".+"$/;
- var anon = "(anonymous)";
- var nextSymbolId = 1;
- var nextNodeId = 1;
- var nextMergeId = 1;
- var nextFlowId = 1;
- var IterationUse;
- (function (IterationUse) {
- IterationUse[IterationUse["AllowsSyncIterablesFlag"] = 1] = "AllowsSyncIterablesFlag";
- IterationUse[IterationUse["AllowsAsyncIterablesFlag"] = 2] = "AllowsAsyncIterablesFlag";
- IterationUse[IterationUse["AllowsStringInputFlag"] = 4] = "AllowsStringInputFlag";
- IterationUse[IterationUse["ForOfFlag"] = 8] = "ForOfFlag";
- IterationUse[IterationUse["YieldStarFlag"] = 16] = "YieldStarFlag";
- IterationUse[IterationUse["SpreadFlag"] = 32] = "SpreadFlag";
- IterationUse[IterationUse["DestructuringFlag"] = 64] = "DestructuringFlag";
- // Spread, Destructuring, Array element assignment
- IterationUse[IterationUse["Element"] = 1] = "Element";
- IterationUse[IterationUse["Spread"] = 33] = "Spread";
- IterationUse[IterationUse["Destructuring"] = 65] = "Destructuring";
- IterationUse[IterationUse["ForOf"] = 13] = "ForOf";
- IterationUse[IterationUse["ForAwaitOf"] = 15] = "ForAwaitOf";
- IterationUse[IterationUse["YieldStar"] = 17] = "YieldStar";
- IterationUse[IterationUse["AsyncYieldStar"] = 19] = "AsyncYieldStar";
- IterationUse[IterationUse["GeneratorReturnType"] = 1] = "GeneratorReturnType";
- IterationUse[IterationUse["AsyncGeneratorReturnType"] = 2] = "AsyncGeneratorReturnType";
- })(IterationUse || (IterationUse = {}));
- var IterationTypeKind;
- (function (IterationTypeKind) {
- IterationTypeKind[IterationTypeKind["Yield"] = 0] = "Yield";
- IterationTypeKind[IterationTypeKind["Return"] = 1] = "Return";
- IterationTypeKind[IterationTypeKind["Next"] = 2] = "Next";
- })(IterationTypeKind || (IterationTypeKind = {}));
- var WideningKind;
- (function (WideningKind) {
- WideningKind[WideningKind["Normal"] = 0] = "Normal";
- WideningKind[WideningKind["FunctionReturn"] = 1] = "FunctionReturn";
- WideningKind[WideningKind["GeneratorNext"] = 2] = "GeneratorNext";
- WideningKind[WideningKind["GeneratorYield"] = 3] = "GeneratorYield";
- })(WideningKind || (WideningKind = {}));
- var TypeFacts;
- (function (TypeFacts) {
- TypeFacts[TypeFacts["None"] = 0] = "None";
- TypeFacts[TypeFacts["TypeofEQString"] = 1] = "TypeofEQString";
- TypeFacts[TypeFacts["TypeofEQNumber"] = 2] = "TypeofEQNumber";
- TypeFacts[TypeFacts["TypeofEQBigInt"] = 4] = "TypeofEQBigInt";
- TypeFacts[TypeFacts["TypeofEQBoolean"] = 8] = "TypeofEQBoolean";
- TypeFacts[TypeFacts["TypeofEQSymbol"] = 16] = "TypeofEQSymbol";
- TypeFacts[TypeFacts["TypeofEQObject"] = 32] = "TypeofEQObject";
- TypeFacts[TypeFacts["TypeofEQFunction"] = 64] = "TypeofEQFunction";
- TypeFacts[TypeFacts["TypeofEQHostObject"] = 128] = "TypeofEQHostObject";
- TypeFacts[TypeFacts["TypeofNEString"] = 256] = "TypeofNEString";
- TypeFacts[TypeFacts["TypeofNENumber"] = 512] = "TypeofNENumber";
- TypeFacts[TypeFacts["TypeofNEBigInt"] = 1024] = "TypeofNEBigInt";
- TypeFacts[TypeFacts["TypeofNEBoolean"] = 2048] = "TypeofNEBoolean";
- TypeFacts[TypeFacts["TypeofNESymbol"] = 4096] = "TypeofNESymbol";
- TypeFacts[TypeFacts["TypeofNEObject"] = 8192] = "TypeofNEObject";
- TypeFacts[TypeFacts["TypeofNEFunction"] = 16384] = "TypeofNEFunction";
- TypeFacts[TypeFacts["TypeofNEHostObject"] = 32768] = "TypeofNEHostObject";
- TypeFacts[TypeFacts["EQUndefined"] = 65536] = "EQUndefined";
- TypeFacts[TypeFacts["EQNull"] = 131072] = "EQNull";
- TypeFacts[TypeFacts["EQUndefinedOrNull"] = 262144] = "EQUndefinedOrNull";
- TypeFacts[TypeFacts["NEUndefined"] = 524288] = "NEUndefined";
- TypeFacts[TypeFacts["NENull"] = 1048576] = "NENull";
- TypeFacts[TypeFacts["NEUndefinedOrNull"] = 2097152] = "NEUndefinedOrNull";
- TypeFacts[TypeFacts["Truthy"] = 4194304] = "Truthy";
- TypeFacts[TypeFacts["Falsy"] = 8388608] = "Falsy";
- TypeFacts[TypeFacts["All"] = 16777215] = "All";
- // The following members encode facts about particular kinds of types for use in the getTypeFacts function.
- // The presence of a particular fact means that the given test is true for some (and possibly all) values
- // of that kind of type.
- TypeFacts[TypeFacts["BaseStringStrictFacts"] = 3735041] = "BaseStringStrictFacts";
- TypeFacts[TypeFacts["BaseStringFacts"] = 12582401] = "BaseStringFacts";
- TypeFacts[TypeFacts["StringStrictFacts"] = 16317953] = "StringStrictFacts";
- TypeFacts[TypeFacts["StringFacts"] = 16776705] = "StringFacts";
- TypeFacts[TypeFacts["EmptyStringStrictFacts"] = 12123649] = "EmptyStringStrictFacts";
- TypeFacts[TypeFacts["EmptyStringFacts"] = 12582401] = "EmptyStringFacts";
- TypeFacts[TypeFacts["NonEmptyStringStrictFacts"] = 7929345] = "NonEmptyStringStrictFacts";
- TypeFacts[TypeFacts["NonEmptyStringFacts"] = 16776705] = "NonEmptyStringFacts";
- TypeFacts[TypeFacts["BaseNumberStrictFacts"] = 3734786] = "BaseNumberStrictFacts";
- TypeFacts[TypeFacts["BaseNumberFacts"] = 12582146] = "BaseNumberFacts";
- TypeFacts[TypeFacts["NumberStrictFacts"] = 16317698] = "NumberStrictFacts";
- TypeFacts[TypeFacts["NumberFacts"] = 16776450] = "NumberFacts";
- TypeFacts[TypeFacts["ZeroNumberStrictFacts"] = 12123394] = "ZeroNumberStrictFacts";
- TypeFacts[TypeFacts["ZeroNumberFacts"] = 12582146] = "ZeroNumberFacts";
- TypeFacts[TypeFacts["NonZeroNumberStrictFacts"] = 7929090] = "NonZeroNumberStrictFacts";
- TypeFacts[TypeFacts["NonZeroNumberFacts"] = 16776450] = "NonZeroNumberFacts";
- TypeFacts[TypeFacts["BaseBigIntStrictFacts"] = 3734276] = "BaseBigIntStrictFacts";
- TypeFacts[TypeFacts["BaseBigIntFacts"] = 12581636] = "BaseBigIntFacts";
- TypeFacts[TypeFacts["BigIntStrictFacts"] = 16317188] = "BigIntStrictFacts";
- TypeFacts[TypeFacts["BigIntFacts"] = 16775940] = "BigIntFacts";
- TypeFacts[TypeFacts["ZeroBigIntStrictFacts"] = 12122884] = "ZeroBigIntStrictFacts";
- TypeFacts[TypeFacts["ZeroBigIntFacts"] = 12581636] = "ZeroBigIntFacts";
- TypeFacts[TypeFacts["NonZeroBigIntStrictFacts"] = 7928580] = "NonZeroBigIntStrictFacts";
- TypeFacts[TypeFacts["NonZeroBigIntFacts"] = 16775940] = "NonZeroBigIntFacts";
- TypeFacts[TypeFacts["BaseBooleanStrictFacts"] = 3733256] = "BaseBooleanStrictFacts";
- TypeFacts[TypeFacts["BaseBooleanFacts"] = 12580616] = "BaseBooleanFacts";
- TypeFacts[TypeFacts["BooleanStrictFacts"] = 16316168] = "BooleanStrictFacts";
- TypeFacts[TypeFacts["BooleanFacts"] = 16774920] = "BooleanFacts";
- TypeFacts[TypeFacts["FalseStrictFacts"] = 12121864] = "FalseStrictFacts";
- TypeFacts[TypeFacts["FalseFacts"] = 12580616] = "FalseFacts";
- TypeFacts[TypeFacts["TrueStrictFacts"] = 7927560] = "TrueStrictFacts";
- TypeFacts[TypeFacts["TrueFacts"] = 16774920] = "TrueFacts";
- TypeFacts[TypeFacts["SymbolStrictFacts"] = 7925520] = "SymbolStrictFacts";
- TypeFacts[TypeFacts["SymbolFacts"] = 16772880] = "SymbolFacts";
- TypeFacts[TypeFacts["ObjectStrictFacts"] = 7888800] = "ObjectStrictFacts";
- TypeFacts[TypeFacts["ObjectFacts"] = 16736160] = "ObjectFacts";
- TypeFacts[TypeFacts["FunctionStrictFacts"] = 7880640] = "FunctionStrictFacts";
- TypeFacts[TypeFacts["FunctionFacts"] = 16728000] = "FunctionFacts";
- TypeFacts[TypeFacts["UndefinedFacts"] = 9830144] = "UndefinedFacts";
- TypeFacts[TypeFacts["NullFacts"] = 9363232] = "NullFacts";
- TypeFacts[TypeFacts["EmptyObjectStrictFacts"] = 16318463] = "EmptyObjectStrictFacts";
- TypeFacts[TypeFacts["EmptyObjectFacts"] = 16777215] = "EmptyObjectFacts";
- })(TypeFacts || (TypeFacts = {}));
- var typeofEQFacts = ts.createMapFromTemplate({
- string: 1 /* TypeofEQString */,
- number: 2 /* TypeofEQNumber */,
- bigint: 4 /* TypeofEQBigInt */,
- boolean: 8 /* TypeofEQBoolean */,
- symbol: 16 /* TypeofEQSymbol */,
- undefined: 65536 /* EQUndefined */,
- object: 32 /* TypeofEQObject */,
- function: 64 /* TypeofEQFunction */
- });
- var typeofNEFacts = ts.createMapFromTemplate({
- string: 256 /* TypeofNEString */,
- number: 512 /* TypeofNENumber */,
- bigint: 1024 /* TypeofNEBigInt */,
- boolean: 2048 /* TypeofNEBoolean */,
- symbol: 4096 /* TypeofNESymbol */,
- undefined: 524288 /* NEUndefined */,
- object: 8192 /* TypeofNEObject */,
- function: 16384 /* TypeofNEFunction */
- });
- var TypeSystemPropertyName;
- (function (TypeSystemPropertyName) {
- TypeSystemPropertyName[TypeSystemPropertyName["Type"] = 0] = "Type";
- TypeSystemPropertyName[TypeSystemPropertyName["ResolvedBaseConstructorType"] = 1] = "ResolvedBaseConstructorType";
- TypeSystemPropertyName[TypeSystemPropertyName["DeclaredType"] = 2] = "DeclaredType";
- TypeSystemPropertyName[TypeSystemPropertyName["ResolvedReturnType"] = 3] = "ResolvedReturnType";
- TypeSystemPropertyName[TypeSystemPropertyName["ImmediateBaseConstraint"] = 4] = "ImmediateBaseConstraint";
- TypeSystemPropertyName[TypeSystemPropertyName["EnumTagType"] = 5] = "EnumTagType";
- TypeSystemPropertyName[TypeSystemPropertyName["ResolvedTypeArguments"] = 6] = "ResolvedTypeArguments";
- })(TypeSystemPropertyName || (TypeSystemPropertyName = {}));
- var CheckMode;
- (function (CheckMode) {
- CheckMode[CheckMode["Normal"] = 0] = "Normal";
- CheckMode[CheckMode["Contextual"] = 1] = "Contextual";
- CheckMode[CheckMode["Inferential"] = 2] = "Inferential";
- CheckMode[CheckMode["SkipContextSensitive"] = 4] = "SkipContextSensitive";
- CheckMode[CheckMode["SkipGenericFunctions"] = 8] = "SkipGenericFunctions";
- CheckMode[CheckMode["IsForSignatureHelp"] = 16] = "IsForSignatureHelp";
- })(CheckMode || (CheckMode = {}));
- var AccessFlags;
- (function (AccessFlags) {
- AccessFlags[AccessFlags["None"] = 0] = "None";
- AccessFlags[AccessFlags["NoIndexSignatures"] = 1] = "NoIndexSignatures";
- AccessFlags[AccessFlags["Writing"] = 2] = "Writing";
- AccessFlags[AccessFlags["CacheSymbol"] = 4] = "CacheSymbol";
- AccessFlags[AccessFlags["NoTupleBoundsCheck"] = 8] = "NoTupleBoundsCheck";
- })(AccessFlags || (AccessFlags = {}));
- var SignatureCheckMode;
- (function (SignatureCheckMode) {
- SignatureCheckMode[SignatureCheckMode["BivariantCallback"] = 1] = "BivariantCallback";
- SignatureCheckMode[SignatureCheckMode["StrictCallback"] = 2] = "StrictCallback";
- SignatureCheckMode[SignatureCheckMode["IgnoreReturnTypes"] = 4] = "IgnoreReturnTypes";
- SignatureCheckMode[SignatureCheckMode["StrictArity"] = 8] = "StrictArity";
- SignatureCheckMode[SignatureCheckMode["Callback"] = 3] = "Callback";
- })(SignatureCheckMode || (SignatureCheckMode = {}));
- var IntersectionState;
- (function (IntersectionState) {
- IntersectionState[IntersectionState["None"] = 0] = "None";
- IntersectionState[IntersectionState["Source"] = 1] = "Source";
- IntersectionState[IntersectionState["Target"] = 2] = "Target";
- IntersectionState[IntersectionState["PropertyCheck"] = 4] = "PropertyCheck";
- IntersectionState[IntersectionState["InPropertyCheck"] = 8] = "InPropertyCheck";
- })(IntersectionState || (IntersectionState = {}));
- var MappedTypeModifiers;
- (function (MappedTypeModifiers) {
- MappedTypeModifiers[MappedTypeModifiers["IncludeReadonly"] = 1] = "IncludeReadonly";
- MappedTypeModifiers[MappedTypeModifiers["ExcludeReadonly"] = 2] = "ExcludeReadonly";
- MappedTypeModifiers[MappedTypeModifiers["IncludeOptional"] = 4] = "IncludeOptional";
- MappedTypeModifiers[MappedTypeModifiers["ExcludeOptional"] = 8] = "ExcludeOptional";
- })(MappedTypeModifiers || (MappedTypeModifiers = {}));
- var ExpandingFlags;
- (function (ExpandingFlags) {
- ExpandingFlags[ExpandingFlags["None"] = 0] = "None";
- ExpandingFlags[ExpandingFlags["Source"] = 1] = "Source";
- ExpandingFlags[ExpandingFlags["Target"] = 2] = "Target";
- ExpandingFlags[ExpandingFlags["Both"] = 3] = "Both";
- })(ExpandingFlags || (ExpandingFlags = {}));
- var MembersOrExportsResolutionKind;
- (function (MembersOrExportsResolutionKind) {
- MembersOrExportsResolutionKind["resolvedExports"] = "resolvedExports";
- MembersOrExportsResolutionKind["resolvedMembers"] = "resolvedMembers";
- })(MembersOrExportsResolutionKind || (MembersOrExportsResolutionKind = {}));
- var UnusedKind;
- (function (UnusedKind) {
- UnusedKind[UnusedKind["Local"] = 0] = "Local";
- UnusedKind[UnusedKind["Parameter"] = 1] = "Parameter";
- })(UnusedKind || (UnusedKind = {}));
- var isNotOverloadAndNotAccessor = ts.and(isNotOverload, isNotAccessor);
- var DeclarationMeaning;
- (function (DeclarationMeaning) {
- DeclarationMeaning[DeclarationMeaning["GetAccessor"] = 1] = "GetAccessor";
- DeclarationMeaning[DeclarationMeaning["SetAccessor"] = 2] = "SetAccessor";
- DeclarationMeaning[DeclarationMeaning["PropertyAssignment"] = 4] = "PropertyAssignment";
- DeclarationMeaning[DeclarationMeaning["Method"] = 8] = "Method";
- DeclarationMeaning[DeclarationMeaning["GetOrSetAccessor"] = 3] = "GetOrSetAccessor";
- DeclarationMeaning[DeclarationMeaning["PropertyAssignmentOrMethod"] = 12] = "PropertyAssignmentOrMethod";
- })(DeclarationMeaning || (DeclarationMeaning = {}));
- var DeclarationSpaces;
- (function (DeclarationSpaces) {
- DeclarationSpaces[DeclarationSpaces["None"] = 0] = "None";
- DeclarationSpaces[DeclarationSpaces["ExportValue"] = 1] = "ExportValue";
- DeclarationSpaces[DeclarationSpaces["ExportType"] = 2] = "ExportType";
- DeclarationSpaces[DeclarationSpaces["ExportNamespace"] = 4] = "ExportNamespace";
- })(DeclarationSpaces || (DeclarationSpaces = {}));
- function SymbolLinks() {
- }
- function NodeLinks() {
- this.flags = 0;
- }
- function getNodeId(node) {
- if (!node.id) {
- node.id = nextNodeId;
- nextNodeId++;
- }
- return node.id;
- }
- ts.getNodeId = getNodeId;
- function getSymbolId(symbol) {
- if (!symbol.id) {
- symbol.id = nextSymbolId;
- nextSymbolId++;
- }
- return symbol.id;
- }
- ts.getSymbolId = getSymbolId;
- function isInstantiatedModule(node, preserveConstEnums) {
- var moduleState = ts.getModuleInstanceState(node);
- return moduleState === 1 /* Instantiated */ ||
- (preserveConstEnums && moduleState === 2 /* ConstEnumOnly */);
- }
- ts.isInstantiatedModule = isInstantiatedModule;
- function createTypeChecker(host, produceDiagnostics) {
- var getPackagesSet = ts.memoize(function () {
- var set = ts.createMap();
- host.getSourceFiles().forEach(function (sf) {
- if (!sf.resolvedModules)
- return;
- ts.forEachEntry(sf.resolvedModules, function (r) {
- if (r && r.packageId)
- set.set(r.packageId.name, true);
- });
- });
- return set;
- });
- // Cancellation that controls whether or not we can cancel in the middle of type checking.
- // In general cancelling is *not* safe for the type checker. We might be in the middle of
- // computing something, and we will leave our internals in an inconsistent state. Callers
- // who set the cancellation token should catch if a cancellation exception occurs, and
- // should throw away and create a new TypeChecker.
- //
- // Currently we only support setting the cancellation token when getting diagnostics. This
- // is because diagnostics can be quite expensive, and we want to allow hosts to bail out if
- // they no longer need the information (for example, if the user started editing again).
- var cancellationToken;
- var requestedExternalEmitHelpers;
- var externalHelpersModule;
- var Symbol = ts.objectAllocator.getSymbolConstructor();
- var Type = ts.objectAllocator.getTypeConstructor();
- var Signature = ts.objectAllocator.getSignatureConstructor();
- var typeCount = 0;
- var symbolCount = 0;
- var enumCount = 0;
- var totalInstantiationCount = 0;
- var instantiationCount = 0;
- var instantiationDepth = 0;
- var constraintDepth = 0;
- var currentNode;
- var emptySymbols = ts.createSymbolTable();
- var arrayVariances = [1 /* Covariant */];
- var compilerOptions = host.getCompilerOptions();
- var languageVersion = ts.getEmitScriptTarget(compilerOptions);
- var moduleKind = ts.getEmitModuleKind(compilerOptions);
- var allowSyntheticDefaultImports = ts.getAllowSyntheticDefaultImports(compilerOptions);
- var strictNullChecks = ts.getStrictOptionValue(compilerOptions, "strictNullChecks");
- var strictFunctionTypes = ts.getStrictOptionValue(compilerOptions, "strictFunctionTypes");
- var strictBindCallApply = ts.getStrictOptionValue(compilerOptions, "strictBindCallApply");
- var strictPropertyInitialization = ts.getStrictOptionValue(compilerOptions, "strictPropertyInitialization");
- var noImplicitAny = ts.getStrictOptionValue(compilerOptions, "noImplicitAny");
- var noImplicitThis = ts.getStrictOptionValue(compilerOptions, "noImplicitThis");
- var keyofStringsOnly = !!compilerOptions.keyofStringsOnly;
- var freshObjectLiteralFlag = compilerOptions.suppressExcessPropertyErrors ? 0 : 32768 /* FreshLiteral */;
- var emitResolver = createResolver();
- var nodeBuilder = createNodeBuilder();
- var globals = ts.createSymbolTable();
- var undefinedSymbol = createSymbol(4 /* Property */, "undefined");
- undefinedSymbol.declarations = [];
- var globalThisSymbol = createSymbol(1536 /* Module */, "globalThis", 8 /* Readonly */);
- globalThisSymbol.exports = globals;
- globalThisSymbol.declarations = [];
- globals.set(globalThisSymbol.escapedName, globalThisSymbol);
- var argumentsSymbol = createSymbol(4 /* Property */, "arguments");
- var requireSymbol = createSymbol(4 /* Property */, "require");
- /** This will be set during calls to `getResolvedSignature` where services determines an apparent number of arguments greater than what is actually provided. */
- var apparentArgumentCount;
- // for public members that accept a Node or one of its subtypes, we must guard against
- // synthetic nodes created during transformations by calling `getParseTreeNode`.
- // for most of these, we perform the guard only on `checker` to avoid any possible
- // extra cost of calling `getParseTreeNode` when calling these functions from inside the
- // checker.
- var checker = {
- getNodeCount: function () { return ts.sum(host.getSourceFiles(), "nodeCount"); },
- getIdentifierCount: function () { return ts.sum(host.getSourceFiles(), "identifierCount"); },
- getSymbolCount: function () { return ts.sum(host.getSourceFiles(), "symbolCount") + symbolCount; },
- getTypeCount: function () { return typeCount; },
- getInstantiationCount: function () { return totalInstantiationCount; },
- getRelationCacheSizes: function () { return ({
- assignable: assignableRelation.size,
- identity: identityRelation.size,
- subtype: subtypeRelation.size,
- strictSubtype: strictSubtypeRelation.size,
- }); },
- isUndefinedSymbol: function (symbol) { return symbol === undefinedSymbol; },
- isArgumentsSymbol: function (symbol) { return symbol === argumentsSymbol; },
- isUnknownSymbol: function (symbol) { return symbol === unknownSymbol; },
- getMergedSymbol: getMergedSymbol,
- getDiagnostics: getDiagnostics,
- getGlobalDiagnostics: getGlobalDiagnostics,
- getTypeOfSymbolAtLocation: function (symbol, location) {
- location = ts.getParseTreeNode(location);
- return location ? getTypeOfSymbolAtLocation(symbol, location) : errorType;
- },
- getSymbolsOfParameterPropertyDeclaration: function (parameterIn, parameterName) {
- var parameter = ts.getParseTreeNode(parameterIn, ts.isParameter);
- if (parameter === undefined)
- return ts.Debug.fail("Cannot get symbols of a synthetic parameter that cannot be resolved to a parse-tree node.");
- return getSymbolsOfParameterPropertyDeclaration(parameter, ts.escapeLeadingUnderscores(parameterName));
- },
- getDeclaredTypeOfSymbol: getDeclaredTypeOfSymbol,
- getPropertiesOfType: getPropertiesOfType,
- getPropertyOfType: function (type, name) { return getPropertyOfType(type, ts.escapeLeadingUnderscores(name)); },
- getPrivateIdentifierPropertyOfType: function (leftType, name, location) {
- var node = ts.getParseTreeNode(location);
- if (!node) {
- return undefined;
- }
- var propName = ts.escapeLeadingUnderscores(name);
- var lexicallyScopedIdentifier = lookupSymbolForPrivateIdentifierDeclaration(propName, node);
- return lexicallyScopedIdentifier ? getPrivateIdentifierPropertyOfType(leftType, lexicallyScopedIdentifier) : undefined;
- },
- getTypeOfPropertyOfType: function (type, name) { return getTypeOfPropertyOfType(type, ts.escapeLeadingUnderscores(name)); },
- getIndexInfoOfType: getIndexInfoOfType,
- getSignaturesOfType: getSignaturesOfType,
- getIndexTypeOfType: getIndexTypeOfType,
- getBaseTypes: getBaseTypes,
- getBaseTypeOfLiteralType: getBaseTypeOfLiteralType,
- getWidenedType: getWidenedType,
- getTypeFromTypeNode: function (nodeIn) {
- var node = ts.getParseTreeNode(nodeIn, ts.isTypeNode);
- return node ? getTypeFromTypeNode(node) : errorType;
- },
- getParameterType: getTypeAtPosition,
- getPromisedTypeOfPromise: getPromisedTypeOfPromise,
- getReturnTypeOfSignature: getReturnTypeOfSignature,
- isNullableType: isNullableType,
- getNullableType: getNullableType,
- getNonNullableType: getNonNullableType,
- getNonOptionalType: removeOptionalTypeMarker,
- getTypeArguments: getTypeArguments,
- typeToTypeNode: nodeBuilder.typeToTypeNode,
- indexInfoToIndexSignatureDeclaration: nodeBuilder.indexInfoToIndexSignatureDeclaration,
- signatureToSignatureDeclaration: nodeBuilder.signatureToSignatureDeclaration,
- symbolToEntityName: nodeBuilder.symbolToEntityName,
- symbolToExpression: nodeBuilder.symbolToExpression,
- symbolToTypeParameterDeclarations: nodeBuilder.symbolToTypeParameterDeclarations,
- symbolToParameterDeclaration: nodeBuilder.symbolToParameterDeclaration,
- typeParameterToDeclaration: nodeBuilder.typeParameterToDeclaration,
- getSymbolsInScope: function (location, meaning) {
- location = ts.getParseTreeNode(location);
- return location ? getSymbolsInScope(location, meaning) : [];
- },
- getSymbolAtLocation: function (node) {
- node = ts.getParseTreeNode(node);
- // set ignoreErrors: true because any lookups invoked by the API shouldn't cause any new errors
- return node ? getSymbolAtLocation(node, /*ignoreErrors*/ true) : undefined;
- },
- getShorthandAssignmentValueSymbol: function (node) {
- node = ts.getParseTreeNode(node);
- return node ? getShorthandAssignmentValueSymbol(node) : undefined;
- },
- getExportSpecifierLocalTargetSymbol: function (nodeIn) {
- var node = ts.getParseTreeNode(nodeIn, ts.isExportSpecifier);
- return node ? getExportSpecifierLocalTargetSymbol(node) : undefined;
- },
- getExportSymbolOfSymbol: function (symbol) {
- return getMergedSymbol(symbol.exportSymbol || symbol);
- },
- getTypeAtLocation: function (node) {
- node = ts.getParseTreeNode(node);
- return node ? getTypeOfNode(node) : errorType;
- },
- getTypeOfAssignmentPattern: function (nodeIn) {
- var node = ts.getParseTreeNode(nodeIn, ts.isAssignmentPattern);
- return node && getTypeOfAssignmentPattern(node) || errorType;
- },
- getPropertySymbolOfDestructuringAssignment: function (locationIn) {
- var location = ts.getParseTreeNode(locationIn, ts.isIdentifier);
- return location ? getPropertySymbolOfDestructuringAssignment(location) : undefined;
- },
- signatureToString: function (signature, enclosingDeclaration, flags, kind) {
- return signatureToString(signature, ts.getParseTreeNode(enclosingDeclaration), flags, kind);
- },
- typeToString: function (type, enclosingDeclaration, flags) {
- return typeToString(type, ts.getParseTreeNode(enclosingDeclaration), flags);
- },
- symbolToString: function (symbol, enclosingDeclaration, meaning, flags) {
- return symbolToString(symbol, ts.getParseTreeNode(enclosingDeclaration), meaning, flags);
- },
- typePredicateToString: function (predicate, enclosingDeclaration, flags) {
- return typePredicateToString(predicate, ts.getParseTreeNode(enclosingDeclaration), flags);
- },
- writeSignature: function (signature, enclosingDeclaration, flags, kind, writer) {
- return signatureToString(signature, ts.getParseTreeNode(enclosingDeclaration), flags, kind, writer);
- },
- writeType: function (type, enclosingDeclaration, flags, writer) {
- return typeToString(type, ts.getParseTreeNode(enclosingDeclaration), flags, writer);
- },
- writeSymbol: function (symbol, enclosingDeclaration, meaning, flags, writer) {
- return symbolToString(symbol, ts.getParseTreeNode(enclosingDeclaration), meaning, flags, writer);
- },
- writeTypePredicate: function (predicate, enclosingDeclaration, flags, writer) {
- return typePredicateToString(predicate, ts.getParseTreeNode(enclosingDeclaration), flags, writer);
- },
- getAugmentedPropertiesOfType: getAugmentedPropertiesOfType,
- getRootSymbols: getRootSymbols,
- getContextualType: function (nodeIn, contextFlags) {
- var node = ts.getParseTreeNode(nodeIn, ts.isExpression);
- if (!node) {
- return undefined;
- }
- var containingCall = ts.findAncestor(node, ts.isCallLikeExpression);
- var containingCallResolvedSignature = containingCall && getNodeLinks(containingCall).resolvedSignature;
- if (contextFlags & 4 /* Completions */ && containingCall) {
- var toMarkSkip = node;
- do {
- getNodeLinks(toMarkSkip).skipDirectInference = true;
- toMarkSkip = toMarkSkip.parent;
- } while (toMarkSkip && toMarkSkip !== containingCall);
- getNodeLinks(containingCall).resolvedSignature = undefined;
- }
- var result = getContextualType(node, contextFlags);
- if (contextFlags & 4 /* Completions */ && containingCall) {
- var toMarkSkip = node;
- do {
- getNodeLinks(toMarkSkip).skipDirectInference = undefined;
- toMarkSkip = toMarkSkip.parent;
- } while (toMarkSkip && toMarkSkip !== containingCall);
- getNodeLinks(containingCall).resolvedSignature = containingCallResolvedSignature;
- }
- return result;
- },
- getContextualTypeForObjectLiteralElement: function (nodeIn) {
- var node = ts.getParseTreeNode(nodeIn, ts.isObjectLiteralElementLike);
- return node ? getContextualTypeForObjectLiteralElement(node) : undefined;
- },
- getContextualTypeForArgumentAtIndex: function (nodeIn, argIndex) {
- var node = ts.getParseTreeNode(nodeIn, ts.isCallLikeExpression);
- return node && getContextualTypeForArgumentAtIndex(node, argIndex);
- },
- getContextualTypeForJsxAttribute: function (nodeIn) {
- var node = ts.getParseTreeNode(nodeIn, ts.isJsxAttributeLike);
- return node && getContextualTypeForJsxAttribute(node);
- },
- isContextSensitive: isContextSensitive,
- getFullyQualifiedName: getFullyQualifiedName,
- getResolvedSignature: function (node, candidatesOutArray, argumentCount) {
- return getResolvedSignatureWorker(node, candidatesOutArray, argumentCount, 0 /* Normal */);
- },
- getResolvedSignatureForSignatureHelp: function (node, candidatesOutArray, argumentCount) {
- return getResolvedSignatureWorker(node, candidatesOutArray, argumentCount, 16 /* IsForSignatureHelp */);
- },
- getExpandedParameters: getExpandedParameters,
- hasEffectiveRestParameter: hasEffectiveRestParameter,
- getConstantValue: function (nodeIn) {
- var node = ts.getParseTreeNode(nodeIn, canHaveConstantValue);
- return node ? getConstantValue(node) : undefined;
- },
- isValidPropertyAccess: function (nodeIn, propertyName) {
- var node = ts.getParseTreeNode(nodeIn, ts.isPropertyAccessOrQualifiedNameOrImportTypeNode);
- return !!node && isValidPropertyAccess(node, ts.escapeLeadingUnderscores(propertyName));
- },
- isValidPropertyAccessForCompletions: function (nodeIn, type, property) {
- var node = ts.getParseTreeNode(nodeIn, ts.isPropertyAccessExpression);
- return !!node && isValidPropertyAccessForCompletions(node, type, property);
- },
- getSignatureFromDeclaration: function (declarationIn) {
- var declaration = ts.getParseTreeNode(declarationIn, ts.isFunctionLike);
- return declaration ? getSignatureFromDeclaration(declaration) : undefined;
- },
- isImplementationOfOverload: function (node) {
- var parsed = ts.getParseTreeNode(node, ts.isFunctionLike);
- return parsed ? isImplementationOfOverload(parsed) : undefined;
- },
- getImmediateAliasedSymbol: getImmediateAliasedSymbol,
- getAliasedSymbol: resolveAlias,
- getEmitResolver: getEmitResolver,
- getExportsOfModule: getExportsOfModuleAsArray,
- getExportsAndPropertiesOfModule: getExportsAndPropertiesOfModule,
- getSymbolWalker: ts.createGetSymbolWalker(getRestTypeOfSignature, getTypePredicateOfSignature, getReturnTypeOfSignature, getBaseTypes, resolveStructuredTypeMembers, getTypeOfSymbol, getResolvedSymbol, getIndexTypeOfStructuredType, getConstraintOfTypeParameter, ts.getFirstIdentifier, getTypeArguments),
- getAmbientModules: getAmbientModules,
- getJsxIntrinsicTagNamesAt: getJsxIntrinsicTagNamesAt,
- isOptionalParameter: function (nodeIn) {
- var node = ts.getParseTreeNode(nodeIn, ts.isParameter);
- return node ? isOptionalParameter(node) : false;
- },
- tryGetMemberInModuleExports: function (name, symbol) { return tryGetMemberInModuleExports(ts.escapeLeadingUnderscores(name), symbol); },
- tryGetMemberInModuleExportsAndProperties: function (name, symbol) { return tryGetMemberInModuleExportsAndProperties(ts.escapeLeadingUnderscores(name), symbol); },
- tryFindAmbientModuleWithoutAugmentations: function (moduleName) {
- // we deliberately exclude augmentations
- // since we are only interested in declarations of the module itself
- return tryFindAmbientModule(moduleName, /*withAugmentations*/ false);
- },
- getApparentType: getApparentType,
- getUnionType: getUnionType,
- isTypeAssignableTo: isTypeAssignableTo,
- createAnonymousType: createAnonymousType,
- createSignature: createSignature,
- createSymbol: createSymbol,
- createIndexInfo: createIndexInfo,
- getAnyType: function () { return anyType; },
- getStringType: function () { return stringType; },
- getNumberType: function () { return numberType; },
- createPromiseType: createPromiseType,
- createArrayType: createArrayType,
- getElementTypeOfArrayType: getElementTypeOfArrayType,
- getBooleanType: function () { return booleanType; },
- getFalseType: function (fresh) { return fresh ? falseType : regularFalseType; },
- getTrueType: function (fresh) { return fresh ? trueType : regularTrueType; },
- getVoidType: function () { return voidType; },
- getUndefinedType: function () { return undefinedType; },
- getNullType: function () { return nullType; },
- getESSymbolType: function () { return esSymbolType; },
- getNeverType: function () { return neverType; },
- getOptionalType: function () { return optionalType; },
- isSymbolAccessible: isSymbolAccessible,
- isArrayType: isArrayType,
- isTupleType: isTupleType,
- isArrayLikeType: isArrayLikeType,
- isTypeInvalidDueToUnionDiscriminant: isTypeInvalidDueToUnionDiscriminant,
- getAllPossiblePropertiesOfTypes: getAllPossiblePropertiesOfTypes,
- getSuggestedSymbolForNonexistentProperty: getSuggestedSymbolForNonexistentProperty,
- getSuggestionForNonexistentProperty: getSuggestionForNonexistentProperty,
- getSuggestedSymbolForNonexistentSymbol: function (location, name, meaning) { return getSuggestedSymbolForNonexistentSymbol(location, ts.escapeLeadingUnderscores(name), meaning); },
- getSuggestionForNonexistentSymbol: function (location, name, meaning) { return getSuggestionForNonexistentSymbol(location, ts.escapeLeadingUnderscores(name), meaning); },
- getSuggestedSymbolForNonexistentModule: getSuggestedSymbolForNonexistentModule,
- getSuggestionForNonexistentExport: getSuggestionForNonexistentExport,
- getBaseConstraintOfType: getBaseConstraintOfType,
- getDefaultFromTypeParameter: function (type) { return type && type.flags & 262144 /* TypeParameter */ ? getDefaultFromTypeParameter(type) : undefined; },
- resolveName: function (name, location, meaning, excludeGlobals) {
- return resolveName(location, ts.escapeLeadingUnderscores(name), meaning, /*nameNotFoundMessage*/ undefined, /*nameArg*/ undefined, /*isUse*/ false, excludeGlobals);
- },
- getJsxNamespace: function (n) { return ts.unescapeLeadingUnderscores(getJsxNamespace(n)); },
- getAccessibleSymbolChain: getAccessibleSymbolChain,
- getTypePredicateOfSignature: getTypePredicateOfSignature,
- resolveExternalModuleName: function (moduleSpecifier) {
- return resolveExternalModuleName(moduleSpecifier, moduleSpecifier, /*ignoreErrors*/ true);
- },
- resolveExternalModuleSymbol: resolveExternalModuleSymbol,
- tryGetThisTypeAt: function (node, includeGlobalThis) {
- node = ts.getParseTreeNode(node);
- return node && tryGetThisTypeAt(node, includeGlobalThis);
- },
- getTypeArgumentConstraint: function (nodeIn) {
- var node = ts.getParseTreeNode(nodeIn, ts.isTypeNode);
- return node && getTypeArgumentConstraint(node);
- },
- getSuggestionDiagnostics: function (file, ct) {
- if (ts.skipTypeChecking(file, compilerOptions, host)) {
- return ts.emptyArray;
- }
- var diagnostics;
- try {
- // Record the cancellation token so it can be checked later on during checkSourceElement.
- // Do this in a finally block so we can ensure that it gets reset back to nothing after
- // this call is done.
- cancellationToken = ct;
- // Ensure file is type checked
- checkSourceFile(file);
- ts.Debug.assert(!!(getNodeLinks(file).flags & 1 /* TypeChecked */));
- diagnostics = ts.addRange(diagnostics, suggestionDiagnostics.getDiagnostics(file.fileName));
- checkUnusedIdentifiers(getPotentiallyUnusedIdentifiers(file), function (containingNode, kind, diag) {
- if (!ts.containsParseError(containingNode) && !unusedIsError(kind, !!(containingNode.flags & 8388608 /* Ambient */))) {
- (diagnostics || (diagnostics = [])).push(__assign(__assign({}, diag), { category: ts.DiagnosticCategory.Suggestion }));
- }
- });
- return diagnostics || ts.emptyArray;
- }
- finally {
- cancellationToken = undefined;
- }
- },
- runWithCancellationToken: function (token, callback) {
- try {
- cancellationToken = token;
- return callback(checker);
- }
- finally {
- cancellationToken = undefined;
- }
- },
- getLocalTypeParametersOfClassOrInterfaceOrTypeAlias: getLocalTypeParametersOfClassOrInterfaceOrTypeAlias,
- isDeclarationVisible: isDeclarationVisible,
- };
- function getResolvedSignatureWorker(nodeIn, candidatesOutArray, argumentCount, checkMode) {
- var node = ts.getParseTreeNode(nodeIn, ts.isCallLikeExpression);
- apparentArgumentCount = argumentCount;
- var res = node ? getResolvedSignature(node, candidatesOutArray, checkMode) : undefined;
- apparentArgumentCount = undefined;
- return res;
- }
- var tupleTypes = ts.createMap();
- var unionTypes = ts.createMap();
- var intersectionTypes = ts.createMap();
- var literalTypes = ts.createMap();
- var indexedAccessTypes = ts.createMap();
- var substitutionTypes = ts.createMap();
- var evolvingArrayTypes = [];
- var undefinedProperties = ts.createMap();
- var unknownSymbol = createSymbol(4 /* Property */, "unknown");
- var resolvingSymbol = createSymbol(0, "__resolving__" /* Resolving */);
- var anyType = createIntrinsicType(1 /* Any */, "any");
- var autoType = createIntrinsicType(1 /* Any */, "any");
- var wildcardType = createIntrinsicType(1 /* Any */, "any");
- var errorType = createIntrinsicType(1 /* Any */, "error");
- var nonInferrableAnyType = createIntrinsicType(1 /* Any */, "any", 524288 /* ContainsWideningType */);
- var unknownType = createIntrinsicType(2 /* Unknown */, "unknown");
- var undefinedType = createIntrinsicType(32768 /* Undefined */, "undefined");
- var undefinedWideningType = strictNullChecks ? undefinedType : createIntrinsicType(32768 /* Undefined */, "undefined", 524288 /* ContainsWideningType */);
- var optionalType = createIntrinsicType(32768 /* Undefined */, "undefined");
- var nullType = createIntrinsicType(65536 /* Null */, "null");
- var nullWideningType = strictNullChecks ? nullType : createIntrinsicType(65536 /* Null */, "null", 524288 /* ContainsWideningType */);
- var stringType = createIntrinsicType(4 /* String */, "string");
- var numberType = createIntrinsicType(8 /* Number */, "number");
- var bigintType = createIntrinsicType(64 /* BigInt */, "bigint");
- var falseType = createIntrinsicType(512 /* BooleanLiteral */, "false");
- var regularFalseType = createIntrinsicType(512 /* BooleanLiteral */, "false");
- var trueType = createIntrinsicType(512 /* BooleanLiteral */, "true");
- var regularTrueType = createIntrinsicType(512 /* BooleanLiteral */, "true");
- trueType.regularType = regularTrueType;
- trueType.freshType = trueType;
- regularTrueType.regularType = regularTrueType;
- regularTrueType.freshType = trueType;
- falseType.regularType = regularFalseType;
- falseType.freshType = falseType;
- regularFalseType.regularType = regularFalseType;
- regularFalseType.freshType = falseType;
- var booleanType = createBooleanType([regularFalseType, regularTrueType]);
- // Also mark all combinations of fresh/regular booleans as "Boolean" so they print as `boolean` instead of `true | false`
- // (The union is cached, so simply doing the marking here is sufficient)
- createBooleanType([regularFalseType, trueType]);
- createBooleanType([falseType, regularTrueType]);
- createBooleanType([falseType, trueType]);
- var esSymbolType = createIntrinsicType(4096 /* ESSymbol */, "symbol");
- var voidType = createIntrinsicType(16384 /* Void */, "void");
- var neverType = createIntrinsicType(131072 /* Never */, "never");
- var silentNeverType = createIntrinsicType(131072 /* Never */, "never");
- var nonInferrableType = createIntrinsicType(131072 /* Never */, "never", 2097152 /* NonInferrableType */);
- var implicitNeverType = createIntrinsicType(131072 /* Never */, "never");
- var unreachableNeverType = createIntrinsicType(131072 /* Never */, "never");
- var nonPrimitiveType = createIntrinsicType(67108864 /* NonPrimitive */, "object");
- var stringNumberSymbolType = getUnionType([stringType, numberType, esSymbolType]);
- var keyofConstraintType = keyofStringsOnly ? stringType : stringNumberSymbolType;
- var numberOrBigIntType = getUnionType([numberType, bigintType]);
- var restrictiveMapper = makeFunctionTypeMapper(function (t) { return t.flags & 262144 /* TypeParameter */ ? getRestrictiveTypeParameter(t) : t; });
- var permissiveMapper = makeFunctionTypeMapper(function (t) { return t.flags & 262144 /* TypeParameter */ ? wildcardType : t; });
- var emptyObjectType = createAnonymousType(undefined, emptySymbols, ts.emptyArray, ts.emptyArray, undefined, undefined);
- var emptyJsxObjectType = createAnonymousType(undefined, emptySymbols, ts.emptyArray, ts.emptyArray, undefined, undefined);
- emptyJsxObjectType.objectFlags |= 4096 /* JsxAttributes */;
- var emptyTypeLiteralSymbol = createSymbol(2048 /* TypeLiteral */, "__type" /* Type */);
- emptyTypeLiteralSymbol.members = ts.createSymbolTable();
- var emptyTypeLiteralType = createAnonymousType(emptyTypeLiteralSymbol, emptySymbols, ts.emptyArray, ts.emptyArray, undefined, undefined);
- var emptyGenericType = createAnonymousType(undefined, emptySymbols, ts.emptyArray, ts.emptyArray, undefined, undefined);
- emptyGenericType.instantiations = ts.createMap();
- var anyFunctionType = createAnonymousType(undefined, emptySymbols, ts.emptyArray, ts.emptyArray, undefined, undefined);
- // The anyFunctionType contains the anyFunctionType by definition. The flag is further propagated
- // in getPropagatingFlagsOfTypes, and it is checked in inferFromTypes.
- anyFunctionType.objectFlags |= 2097152 /* NonInferrableType */;
- var noConstraintType = createAnonymousType(undefined, emptySymbols, ts.emptyArray, ts.emptyArray, undefined, undefined);
- var circularConstraintType = createAnonymousType(undefined, emptySymbols, ts.emptyArray, ts.emptyArray, undefined, undefined);
- var resolvingDefaultType = createAnonymousType(undefined, emptySymbols, ts.emptyArray, ts.emptyArray, undefined, undefined);
- var markerSuperType = createTypeParameter();
- var markerSubType = createTypeParameter();
- markerSubType.constraint = markerSuperType;
- var markerOtherType = createTypeParameter();
- var noTypePredicate = createTypePredicate(1 /* Identifier */, "<<unresolved>>", 0, anyType);
- var anySignature = createSignature(undefined, undefined, undefined, ts.emptyArray, anyType, /*resolvedTypePredicate*/ undefined, 0, 0 /* None */);
- var unknownSignature = createSignature(undefined, undefined, undefined, ts.emptyArray, errorType, /*resolvedTypePredicate*/ undefined, 0, 0 /* None */);
- var resolvingSignature = createSignature(undefined, undefined, undefined, ts.emptyArray, anyType, /*resolvedTypePredicate*/ undefined, 0, 0 /* None */);
- var silentNeverSignature = createSignature(undefined, undefined, undefined, ts.emptyArray, silentNeverType, /*resolvedTypePredicate*/ undefined, 0, 0 /* None */);
- var enumNumberIndexInfo = createIndexInfo(stringType, /*isReadonly*/ true);
- var iterationTypesCache = ts.createMap(); // cache for common IterationTypes instances
- var noIterationTypes = {
- get yieldType() { return ts.Debug.fail("Not supported"); },
- get returnType() { return ts.Debug.fail("Not supported"); },
- get nextType() { return ts.Debug.fail("Not supported"); },
- };
- var anyIterationTypes = createIterationTypes(anyType, anyType, anyType);
- var anyIterationTypesExceptNext = createIterationTypes(anyType, anyType, unknownType);
- var defaultIterationTypes = createIterationTypes(neverType, anyType, undefinedType); // default iteration types for `Iterator`.
- var asyncIterationTypesResolver = {
- iterableCacheKey: "iterationTypesOfAsyncIterable",
- iteratorCacheKey: "iterationTypesOfAsyncIterator",
- iteratorSymbolName: "asyncIterator",
- getGlobalIteratorType: getGlobalAsyncIteratorType,
- getGlobalIterableType: getGlobalAsyncIterableType,
- getGlobalIterableIteratorType: getGlobalAsyncIterableIteratorType,
- getGlobalGeneratorType: getGlobalAsyncGeneratorType,
- resolveIterationType: getAwaitedType,
- mustHaveANextMethodDiagnostic: ts.Diagnostics.An_async_iterator_must_have_a_next_method,
- mustBeAMethodDiagnostic: ts.Diagnostics.The_0_property_of_an_async_iterator_must_be_a_method,
- mustHaveAValueDiagnostic: ts.Diagnostics.The_type_returned_by_the_0_method_of_an_async_iterator_must_be_a_promise_for_a_type_with_a_value_property,
- };
- var syncIterationTypesResolver = {
- iterableCacheKey: "iterationTypesOfIterable",
- iteratorCacheKey: "iterationTypesOfIterator",
- iteratorSymbolName: "iterator",
- getGlobalIteratorType: getGlobalIteratorType,
- getGlobalIterableType: getGlobalIterableType,
- getGlobalIterableIteratorType: getGlobalIterableIteratorType,
- getGlobalGeneratorType: getGlobalGeneratorType,
- resolveIterationType: function (type, _errorNode) { return type; },
- mustHaveANextMethodDiagnostic: ts.Diagnostics.An_iterator_must_have_a_next_method,
- mustBeAMethodDiagnostic: ts.Diagnostics.The_0_property_of_an_iterator_must_be_a_method,
- mustHaveAValueDiagnostic: ts.Diagnostics.The_type_returned_by_the_0_method_of_an_iterator_must_have_a_value_property,
- };
- /** Key is "/path/to/a.ts|/path/to/b.ts". */
- var amalgamatedDuplicates;
- var reverseMappedCache = ts.createMap();
- var ambientModulesCache;
- /**
- * List of every ambient module with a "*" wildcard.
- * Unlike other ambient modules, these can't be stored in `globals` because symbol tables only deal with exact matches.
- * This is only used if there is no exact match.
- */
- var patternAmbientModules;
- var patternAmbientModuleAugmentations;
- var globalObjectType;
- var globalFunctionType;
- var globalCallableFunctionType;
- var globalNewableFunctionType;
- var globalArrayType;
- var globalReadonlyArrayType;
- var globalStringType;
- var globalNumberType;
- var globalBooleanType;
- var globalRegExpType;
- var globalThisType;
- var anyArrayType;
- var autoArrayType;
- var anyReadonlyArrayType;
- var deferredGlobalNonNullableTypeAlias;
- // The library files are only loaded when the feature is used.
- // This allows users to just specify library files they want to used through --lib
- // and they will not get an error from not having unrelated library files
- var deferredGlobalESSymbolConstructorSymbol;
- var deferredGlobalESSymbolType;
- var deferredGlobalTypedPropertyDescriptorType;
- var deferredGlobalPromiseType;
- var deferredGlobalPromiseLikeType;
- var deferredGlobalPromiseConstructorSymbol;
- var deferredGlobalPromiseConstructorLikeType;
- var deferredGlobalIterableType;
- var deferredGlobalIteratorType;
- var deferredGlobalIterableIteratorType;
- var deferredGlobalGeneratorType;
- var deferredGlobalIteratorYieldResultType;
- var deferredGlobalIteratorReturnResultType;
- var deferredGlobalAsyncIterableType;
- var deferredGlobalAsyncIteratorType;
- var deferredGlobalAsyncIterableIteratorType;
- var deferredGlobalAsyncGeneratorType;
- var deferredGlobalTemplateStringsArrayType;
- var deferredGlobalImportMetaType;
- var deferredGlobalExtractSymbol;
- var deferredGlobalOmitSymbol;
- var deferredGlobalBigIntType;
- var allPotentiallyUnusedIdentifiers = ts.createMap(); // key is file name
- var flowLoopStart = 0;
- var flowLoopCount = 0;
- var sharedFlowCount = 0;
- var flowAnalysisDisabled = false;
- var flowInvocationCount = 0;
- var lastFlowNode;
- var lastFlowNodeReachable;
- var flowTypeCache;
- var emptyStringType = getLiteralType("");
- var zeroType = getLiteralType(0);
- var zeroBigIntType = getLiteralType({ negative: false, base10Value: "0" });
- var resolutionTargets = [];
- var resolutionResults = [];
- var resolutionPropertyNames = [];
- var suggestionCount = 0;
- var maximumSuggestionCount = 10;
- var mergedSymbols = [];
- var symbolLinks = [];
- var nodeLinks = [];
- var flowLoopCaches = [];
- var flowLoopNodes = [];
- var flowLoopKeys = [];
- var flowLoopTypes = [];
- var sharedFlowNodes = [];
- var sharedFlowTypes = [];
- var flowNodeReachable = [];
- var potentialThisCollisions = [];
- var potentialNewTargetCollisions = [];
- var potentialWeakMapCollisions = [];
- var awaitedTypeStack = [];
- var diagnostics = ts.createDiagnosticCollection();
- var suggestionDiagnostics = ts.createDiagnosticCollection();
- var typeofTypesByName = ts.createMapFromTemplate({
- string: stringType,
- number: numberType,
- bigint: bigintType,
- boolean: booleanType,
- symbol: esSymbolType,
- undefined: undefinedType
- });
- var typeofType = createTypeofType();
- var _jsxNamespace;
- var _jsxFactoryEntity;
- var outofbandVarianceMarkerHandler;
- var subtypeRelation = ts.createMap();
- var strictSubtypeRelation = ts.createMap();
- var assignableRelation = ts.createMap();
- var comparableRelation = ts.createMap();
- var identityRelation = ts.createMap();
- var enumRelation = ts.createMap();
- var builtinGlobals = ts.createSymbolTable();
- builtinGlobals.set(undefinedSymbol.escapedName, undefinedSymbol);
- initializeTypeChecker();
- return checker;
- function getJsxNamespace(location) {
- if (location) {
- var file = ts.getSourceFileOfNode(location);
- if (file) {
- if (file.localJsxNamespace) {
- return file.localJsxNamespace;
- }
- var jsxPragma = file.pragmas.get("jsx");
- if (jsxPragma) {
- var chosenpragma = ts.isArray(jsxPragma) ? jsxPragma[0] : jsxPragma;
- file.localJsxFactory = ts.parseIsolatedEntityName(chosenpragma.arguments.factory, languageVersion);
- ts.visitNode(file.localJsxFactory, markAsSynthetic);
- if (file.localJsxFactory) {
- return file.localJsxNamespace = ts.getFirstIdentifier(file.localJsxFactory).escapedText;
- }
- }
- }
- }
- if (!_jsxNamespace) {
- _jsxNamespace = "React";
- if (compilerOptions.jsxFactory) {
- _jsxFactoryEntity = ts.parseIsolatedEntityName(compilerOptions.jsxFactory, languageVersion);
- ts.visitNode(_jsxFactoryEntity, markAsSynthetic);
- if (_jsxFactoryEntity) {
- _jsxNamespace = ts.getFirstIdentifier(_jsxFactoryEntity).escapedText;
- }
- }
- else if (compilerOptions.reactNamespace) {
- _jsxNamespace = ts.escapeLeadingUnderscores(compilerOptions.reactNamespace);
- }
- }
- if (!_jsxFactoryEntity) {
- _jsxFactoryEntity = ts.createQualifiedName(ts.createIdentifier(ts.unescapeLeadingUnderscores(_jsxNamespace)), "createElement");
- }
- return _jsxNamespace;
- function markAsSynthetic(node) {
- node.pos = -1;
- node.end = -1;
- return ts.visitEachChild(node, markAsSynthetic, ts.nullTransformationContext);
- }
- }
- function getEmitResolver(sourceFile, cancellationToken) {
- // Ensure we have all the type information in place for this file so that all the
- // emitter questions of this resolver will return the right information.
- getDiagnostics(sourceFile, cancellationToken);
- return emitResolver;
- }
- function lookupOrIssueError(location, message, arg0, arg1, arg2, arg3) {
- var diagnostic = location
- ? ts.createDiagnosticForNode(location, message, arg0, arg1, arg2, arg3)
- : ts.createCompilerDiagnostic(message, arg0, arg1, arg2, arg3);
- var existing = diagnostics.lookup(diagnostic);
- if (existing) {
- return existing;
- }
- else {
- diagnostics.add(diagnostic);
- return diagnostic;
- }
- }
- function error(location, message, arg0, arg1, arg2, arg3) {
- var diagnostic = location
- ? ts.createDiagnosticForNode(location, message, arg0, arg1, arg2, arg3)
- : ts.createCompilerDiagnostic(message, arg0, arg1, arg2, arg3);
- diagnostics.add(diagnostic);
- return diagnostic;
- }
- function addErrorOrSuggestion(isError, diagnostic) {
- if (isError) {
- diagnostics.add(diagnostic);
- }
- else {
- suggestionDiagnostics.add(__assign(__assign({}, diagnostic), { category: ts.DiagnosticCategory.Suggestion }));
- }
- }
- function errorOrSuggestion(isError, location, message, arg0, arg1, arg2, arg3) {
- addErrorOrSuggestion(isError, "message" in message ? ts.createDiagnosticForNode(location, message, arg0, arg1, arg2, arg3) : ts.createDiagnosticForNodeFromMessageChain(location, message)); // eslint-disable-line no-in-operator
- }
- function errorAndMaybeSuggestAwait(location, maybeMissingAwait, message, arg0, arg1, arg2, arg3) {
- var diagnostic = error(location, message, arg0, arg1, arg2, arg3);
- if (maybeMissingAwait) {
- var related = ts.createDiagnosticForNode(location, ts.Diagnostics.Did_you_forget_to_use_await);
- ts.addRelatedInfo(diagnostic, related);
- }
- return diagnostic;
- }
- function createSymbol(flags, name, checkFlags) {
- symbolCount++;
- var symbol = (new Symbol(flags | 33554432 /* Transient */, name));
- symbol.checkFlags = checkFlags || 0;
- return symbol;
- }
- function getExcludedSymbolFlags(flags) {
- var result = 0;
- if (flags & 2 /* BlockScopedVariable */)
- result |= 111551 /* BlockScopedVariableExcludes */;
- if (flags & 1 /* FunctionScopedVariable */)
- result |= 111550 /* FunctionScopedVariableExcludes */;
- if (flags & 4 /* Property */)
- result |= 0 /* PropertyExcludes */;
- if (flags & 8 /* EnumMember */)
- result |= 900095 /* EnumMemberExcludes */;
- if (flags & 16 /* Function */)
- result |= 110991 /* FunctionExcludes */;
- if (flags & 32 /* Class */)
- result |= 899503 /* ClassExcludes */;
- if (flags & 64 /* Interface */)
- result |= 788872 /* InterfaceExcludes */;
- if (flags & 256 /* RegularEnum */)
- result |= 899327 /* RegularEnumExcludes */;
- if (flags & 128 /* ConstEnum */)
- result |= 899967 /* ConstEnumExcludes */;
- if (flags & 512 /* ValueModule */)
- result |= 110735 /* ValueModuleExcludes */;
- if (flags & 8192 /* Method */)
- result |= 103359 /* MethodExcludes */;
- if (flags & 32768 /* GetAccessor */)
- result |= 46015 /* GetAccessorExcludes */;
- if (flags & 65536 /* SetAccessor */)
- result |= 78783 /* SetAccessorExcludes */;
- if (flags & 262144 /* TypeParameter */)
- result |= 526824 /* TypeParameterExcludes */;
- if (flags & 524288 /* TypeAlias */)
- result |= 788968 /* TypeAliasExcludes */;
- if (flags & 2097152 /* Alias */)
- result |= 2097152 /* AliasExcludes */;
- return result;
- }
- function recordMergedSymbol(target, source) {
- if (!source.mergeId) {
- source.mergeId = nextMergeId;
- nextMergeId++;
- }
- mergedSymbols[source.mergeId] = target;
- }
- function cloneSymbol(symbol) {
- var result = createSymbol(symbol.flags, symbol.escapedName);
- result.declarations = symbol.declarations ? symbol.declarations.slice() : [];
- result.parent = symbol.parent;
- if (symbol.valueDeclaration)
- result.valueDeclaration = symbol.valueDeclaration;
- if (symbol.constEnumOnlyModule)
- result.constEnumOnlyModule = true;
- if (symbol.members)
- result.members = ts.cloneMap(symbol.members);
- if (symbol.exports)
- result.exports = ts.cloneMap(symbol.exports);
- recordMergedSymbol(result, symbol);
- return result;
- }
- /**
- * Note: if target is transient, then it is mutable, and mergeSymbol with both mutate and return it.
- * If target is not transient, mergeSymbol will produce a transient clone, mutate that and return it.
- */
- function mergeSymbol(target, source, unidirectional) {
- if (unidirectional === void 0) { unidirectional = false; }
- if (!(target.flags & getExcludedSymbolFlags(source.flags)) ||
- (source.flags | target.flags) & 67108864 /* Assignment */) {
- if (source === target) {
- // This can happen when an export assigned namespace exports something also erroneously exported at the top level
- // See `declarationFileNoCrashOnExtraExportModifier` for an example
- return target;
- }
- if (!(target.flags & 33554432 /* Transient */)) {
- var resolvedTarget = resolveSymbol(target);
- if (resolvedTarget === unknownSymbol) {
- return source;
- }
- target = cloneSymbol(resolvedTarget);
- }
- // Javascript static-property-assignment declarations always merge, even though they are also values
- if (source.flags & 512 /* ValueModule */ && target.flags & 512 /* ValueModule */ && target.constEnumOnlyModule && !source.constEnumOnlyModule) {
- // reset flag when merging instantiated module into value module that has only const enums
- target.constEnumOnlyModule = false;
- }
- target.flags |= source.flags;
- if (source.valueDeclaration) {
- ts.setValueDeclaration(target, source.valueDeclaration);
- }
- ts.addRange(target.declarations, source.declarations);
- if (source.members) {
- if (!target.members)
- target.members = ts.createSymbolTable();
- mergeSymbolTable(target.members, source.members, unidirectional);
- }
- if (source.exports) {
- if (!target.exports)
- target.exports = ts.createSymbolTable();
- mergeSymbolTable(target.exports, source.exports, unidirectional);
- }
- if (!unidirectional) {
- recordMergedSymbol(target, source);
- }
- }
- else if (target.flags & 1024 /* NamespaceModule */) {
- // Do not report an error when merging `var globalThis` with the built-in `globalThis`,
- // as we will already report a "Declaration name conflicts..." error, and this error
- // won't make much sense.
- if (target !== globalThisSymbol) {
- error(ts.getNameOfDeclaration(source.declarations[0]), ts.Diagnostics.Cannot_augment_module_0_with_value_exports_because_it_resolves_to_a_non_module_entity, symbolToString(target));
- }
- }
- else { // error
- var isEitherEnum = !!(target.flags & 384 /* Enum */ || source.flags & 384 /* Enum */);
- var isEitherBlockScoped_1 = !!(target.flags & 2 /* BlockScopedVariable */ || source.flags & 2 /* BlockScopedVariable */);
- var message = isEitherEnum
- ? ts.Diagnostics.Enum_declarations_can_only_merge_with_namespace_or_other_enum_declarations
- : isEitherBlockScoped_1
- ? ts.Diagnostics.Cannot_redeclare_block_scoped_variable_0
- : ts.Diagnostics.Duplicate_identifier_0;
- var sourceSymbolFile = source.declarations && ts.getSourceFileOfNode(source.declarations[0]);
- var targetSymbolFile = target.declarations && ts.getSourceFileOfNode(target.declarations[0]);
- var symbolName_1 = symbolToString(source);
- // Collect top-level duplicate identifier errors into one mapping, so we can then merge their diagnostics if there are a bunch
- if (sourceSymbolFile && targetSymbolFile && amalgamatedDuplicates && !isEitherEnum && sourceSymbolFile !== targetSymbolFile) {
- var firstFile_1 = ts.comparePaths(sourceSymbolFile.path, targetSymbolFile.path) === -1 /* LessThan */ ? sourceSymbolFile : targetSymbolFile;
- var secondFile_1 = firstFile_1 === sourceSymbolFile ? targetSymbolFile : sourceSymbolFile;
- var filesDuplicates = ts.getOrUpdate(amalgamatedDuplicates, firstFile_1.path + "|" + secondFile_1.path, function () {
- return ({ firstFile: firstFile_1, secondFile: secondFile_1, conflictingSymbols: ts.createMap() });
- });
- var conflictingSymbolInfo = ts.getOrUpdate(filesDuplicates.conflictingSymbols, symbolName_1, function () {
- return ({ isBlockScoped: isEitherBlockScoped_1, firstFileLocations: [], secondFileLocations: [] });
- });
- addDuplicateLocations(conflictingSymbolInfo.firstFileLocations, source);
- addDuplicateLocations(conflictingSymbolInfo.secondFileLocations, target);
- }
- else {
- addDuplicateDeclarationErrorsForSymbols(source, message, symbolName_1, target);
- addDuplicateDeclarationErrorsForSymbols(target, message, symbolName_1, source);
- }
- }
- return target;
- function addDuplicateLocations(locs, symbol) {
- for (var _i = 0, _a = symbol.declarations; _i < _a.length; _i++) {
- var decl = _a[_i];
- ts.pushIfUnique(locs, decl);
- }
- }
- }
- function addDuplicateDeclarationErrorsForSymbols(target, message, symbolName, source) {
- ts.forEach(target.declarations, function (node) {
- addDuplicateDeclarationError(node, message, symbolName, source.declarations);
- });
- }
- function addDuplicateDeclarationError(node, message, symbolName, relatedNodes) {
- var errorNode = (ts.getExpandoInitializer(node, /*isPrototypeAssignment*/ false) ? ts.getNameOfExpando(node) : ts.getNameOfDeclaration(node)) || node;
- var err = lookupOrIssueError(errorNode, message, symbolName);
- var _loop_6 = function (relatedNode) {
- var adjustedNode = (ts.getExpandoInitializer(relatedNode, /*isPrototypeAssignment*/ false) ? ts.getNameOfExpando(relatedNode) : ts.getNameOfDeclaration(relatedNode)) || relatedNode;
- if (adjustedNode === errorNode)
- return "continue";
- err.relatedInformation = err.relatedInformation || [];
- var leadingMessage = ts.createDiagnosticForNode(adjustedNode, ts.Diagnostics._0_was_also_declared_here, symbolName);
- var followOnMessage = ts.createDiagnosticForNode(adjustedNode, ts.Diagnostics.and_here);
- if (ts.length(err.relatedInformation) >= 5 || ts.some(err.relatedInformation, function (r) { return ts.compareDiagnostics(r, followOnMessage) === 0 /* EqualTo */ || ts.compareDiagnostics(r, leadingMessage) === 0 /* EqualTo */; }))
- return "continue";
- ts.addRelatedInfo(err, !ts.length(err.relatedInformation) ? leadingMessage : followOnMessage);
- };
- for (var _i = 0, _a = relatedNodes || ts.emptyArray; _i < _a.length; _i++) {
- var relatedNode = _a[_i];
- _loop_6(relatedNode);
- }
- }
- function combineSymbolTables(first, second) {
- if (!ts.hasEntries(first))
- return second;
- if (!ts.hasEntries(second))
- return first;
- var combined = ts.createSymbolTable();
- mergeSymbolTable(combined, first);
- mergeSymbolTable(combined, second);
- return combined;
- }
- function mergeSymbolTable(target, source, unidirectional) {
- if (unidirectional === void 0) { unidirectional = false; }
- source.forEach(function (sourceSymbol, id) {
- var targetSymbol = target.get(id);
- target.set(id, targetSymbol ? mergeSymbol(targetSymbol, sourceSymbol, unidirectional) : sourceSymbol);
- });
- }
- function mergeModuleAugmentation(moduleName) {
- var _a, _b;
- var moduleAugmentation = moduleName.parent;
- if (moduleAugmentation.symbol.declarations[0] !== moduleAugmentation) {
- // this is a combined symbol for multiple augmentations within the same file.
- // its symbol already has accumulated information for all declarations
- // so we need to add it just once - do the work only for first declaration
- ts.Debug.assert(moduleAugmentation.symbol.declarations.length > 1);
- return;
- }
- if (ts.isGlobalScopeAugmentation(moduleAugmentation)) {
- mergeSymbolTable(globals, moduleAugmentation.symbol.exports);
- }
- else {
- // find a module that about to be augmented
- // do not validate names of augmentations that are defined in ambient context
- var moduleNotFoundError = !(moduleName.parent.parent.flags & 8388608 /* Ambient */)
- ? ts.Diagnostics.Invalid_module_name_in_augmentation_module_0_cannot_be_found
- : undefined;
- var mainModule_1 = resolveExternalModuleNameWorker(moduleName, moduleName, moduleNotFoundError, /*isForAugmentation*/ true);
- if (!mainModule_1) {
- return;
- }
- // obtain item referenced by 'export='
- mainModule_1 = resolveExternalModuleSymbol(mainModule_1);
- if (mainModule_1.flags & 1920 /* Namespace */) {
- // If we're merging an augmentation to a pattern ambient module, we want to
- // perform the merge unidirectionally from the augmentation ('a.foo') to
- // the pattern ('*.foo'), so that 'getMergedSymbol()' on a.foo gives you
- // all the exports both from the pattern and from the augmentation, but
- // 'getMergedSymbol()' on *.foo only gives you exports from *.foo.
- if (ts.some(patternAmbientModules, function (module) { return mainModule_1 === module.symbol; })) {
- var merged = mergeSymbol(moduleAugmentation.symbol, mainModule_1, /*unidirectional*/ true);
- if (!patternAmbientModuleAugmentations) {
- patternAmbientModuleAugmentations = ts.createMap();
- }
- // moduleName will be a StringLiteral since this is not `declare global`.
- patternAmbientModuleAugmentations.set(moduleName.text, merged);
- }
- else {
- if (((_a = mainModule_1.exports) === null || _a === void 0 ? void 0 : _a.get("__export" /* ExportStar */)) && ((_b = moduleAugmentation.symbol.exports) === null || _b === void 0 ? void 0 : _b.size)) {
- // We may need to merge the module augmentation's exports into the target symbols of the resolved exports
- var resolvedExports = getResolvedMembersOrExportsOfSymbol(mainModule_1, "resolvedExports" /* resolvedExports */);
- for (var _i = 0, _c = ts.arrayFrom(moduleAugmentation.symbol.exports.entries()); _i < _c.length; _i++) {
- var _d = _c[_i], key = _d[0], value = _d[1];
- if (resolvedExports.has(key) && !mainModule_1.exports.has(key)) {
- mergeSymbol(resolvedExports.get(key), value);
- }
- }
- }
- mergeSymbol(mainModule_1, moduleAugmentation.symbol);
- }
- }
- else {
- // moduleName will be a StringLiteral since this is not `declare global`.
- error(moduleName, ts.Diagnostics.Cannot_augment_module_0_because_it_resolves_to_a_non_module_entity, moduleName.text);
- }
- }
- }
- function addToSymbolTable(target, source, message) {
- source.forEach(function (sourceSymbol, id) {
- var targetSymbol = target.get(id);
- if (targetSymbol) {
- // Error on redeclarations
- ts.forEach(targetSymbol.declarations, addDeclarationDiagnostic(ts.unescapeLeadingUnderscores(id), message));
- }
- else {
- target.set(id, sourceSymbol);
- }
- });
- function addDeclarationDiagnostic(id, message) {
- return function (declaration) { return diagnostics.add(ts.createDiagnosticForNode(declaration, message, id)); };
- }
- }
- function getSymbolLinks(symbol) {
- if (symbol.flags & 33554432 /* Transient */)
- return symbol;
- var id = getSymbolId(symbol);
- return symbolLinks[id] || (symbolLinks[id] = new SymbolLinks());
- }
- function getNodeLinks(node) {
- var nodeId = getNodeId(node);
- return nodeLinks[nodeId] || (nodeLinks[nodeId] = new NodeLinks());
- }
- function isGlobalSourceFile(node) {
- return node.kind === 290 /* SourceFile */ && !ts.isExternalOrCommonJsModule(node);
- }
- function getSymbol(symbols, name, meaning) {
- if (meaning) {
- var symbol = getMergedSymbol(symbols.get(name));
- if (symbol) {
- ts.Debug.assert((ts.getCheckFlags(symbol) & 1 /* Instantiated */) === 0, "Should never get an instantiated symbol here.");
- if (symbol.flags & meaning) {
- return symbol;
- }
- if (symbol.flags & 2097152 /* Alias */) {
- var target = resolveAlias(symbol);
- // Unknown symbol means an error occurred in alias resolution, treat it as positive answer to avoid cascading errors
- if (target === unknownSymbol || target.flags & meaning) {
- return symbol;
- }
- }
- }
- }
- // return undefined if we can't find a symbol.
- }
- /**
- * Get symbols that represent parameter-property-declaration as parameter and as property declaration
- * @param parameter a parameterDeclaration node
- * @param parameterName a name of the parameter to get the symbols for.
- * @return a tuple of two symbols
- */
- function getSymbolsOfParameterPropertyDeclaration(parameter, parameterName) {
- var constructorDeclaration = parameter.parent;
- var classDeclaration = parameter.parent.parent;
- var parameterSymbol = getSymbol(constructorDeclaration.locals, parameterName, 111551 /* Value */);
- var propertySymbol = getSymbol(getMembersOfSymbol(classDeclaration.symbol), parameterName, 111551 /* Value */);
- if (parameterSymbol && propertySymbol) {
- return [parameterSymbol, propertySymbol];
- }
- return ts.Debug.fail("There should exist two symbols, one as property declaration and one as parameter declaration");
- }
- function isBlockScopedNameDeclaredBeforeUse(declaration, usage) {
- var declarationFile = ts.getSourceFileOfNode(declaration);
- var useFile = ts.getSourceFileOfNode(usage);
- var declContainer = ts.getEnclosingBlockScopeContainer(declaration);
- if (declarationFile !== useFile) {
- if ((moduleKind && (declarationFile.externalModuleIndicator || useFile.externalModuleIndicator)) ||
- (!compilerOptions.outFile && !compilerOptions.out) ||
- isInTypeQuery(usage) ||
- declaration.flags & 8388608 /* Ambient */) {
- // nodes are in different files and order cannot be determined
- return true;
- }
- // declaration is after usage
- // can be legal if usage is deferred (i.e. inside function or in initializer of instance property)
- if (isUsedInFunctionOrInstanceProperty(usage, declaration)) {
- return true;
- }
- var sourceFiles = host.getSourceFiles();
- return sourceFiles.indexOf(declarationFile) <= sourceFiles.indexOf(useFile);
- }
- if (declaration.pos <= usage.pos) {
- // declaration is before usage
- if (declaration.kind === 191 /* BindingElement */) {
- // still might be illegal if declaration and usage are both binding elements (eg var [a = b, b = b] = [1, 2])
- var errorBindingElement = ts.getAncestor(usage, 191 /* BindingElement */);
- if (errorBindingElement) {
- return ts.findAncestor(errorBindingElement, ts.isBindingElement) !== ts.findAncestor(declaration, ts.isBindingElement) ||
- declaration.pos < errorBindingElement.pos;
- }
- // or it might be illegal if usage happens before parent variable is declared (eg var [a] = a)
- return isBlockScopedNameDeclaredBeforeUse(ts.getAncestor(declaration, 242 /* VariableDeclaration */), usage);
- }
- else if (declaration.kind === 242 /* VariableDeclaration */) {
- // still might be illegal if usage is in the initializer of the variable declaration (eg var a = a)
- return !isImmediatelyUsedInInitializerOfBlockScopedVariable(declaration, usage);
- }
- else if (ts.isClassDeclaration(declaration)) {
- // still might be illegal if the usage is within a computed property name in the class (eg class A { static p = "a"; [A.p]() {} })
- return !ts.findAncestor(usage, function (n) { return ts.isComputedPropertyName(n) && n.parent.parent === declaration; });
- }
- else if (ts.isPropertyDeclaration(declaration)) {
- // still might be illegal if a self-referencing property initializer (eg private x = this.x)
- return !isPropertyImmediatelyReferencedWithinDeclaration(declaration, usage, /*stopAtAnyPropertyDeclaration*/ false);
- }
- else if (ts.isParameterPropertyDeclaration(declaration, declaration.parent)) {
- // foo = this.bar is illegal in esnext+useDefineForClassFields when bar is a parameter property
- return !(compilerOptions.target === 99 /* ESNext */ && !!compilerOptions.useDefineForClassFields
- && ts.getContainingClass(declaration) === ts.getContainingClass(usage)
- && isUsedInFunctionOrInstanceProperty(usage, declaration));
- }
- return true;
- }
- // declaration is after usage, but it can still be legal if usage is deferred:
- // 1. inside an export specifier
- // 2. inside a function
- // 3. inside an instance property initializer, a reference to a non-instance property
- // (except when target: "esnext" and useDefineForClassFields: true and the reference is to a parameter property)
- // 4. inside a static property initializer, a reference to a static method in the same class
- // 5. inside a TS export= declaration (since we will move the export statement during emit to avoid TDZ)
- // or if usage is in a type context:
- // 1. inside a type query (typeof in type position)
- // 2. inside a jsdoc comment
- if (usage.parent.kind === 263 /* ExportSpecifier */ || (usage.parent.kind === 259 /* ExportAssignment */ && usage.parent.isExportEquals)) {
- // export specifiers do not use the variable, they only make it available for use
- return true;
- }
- // When resolving symbols for exports, the `usage` location passed in can be the export site directly
- if (usage.kind === 259 /* ExportAssignment */ && usage.isExportEquals) {
- return true;
- }
- if (!!(usage.flags & 4194304 /* JSDoc */) || isInTypeQuery(usage) || usageInTypeDeclaration()) {
- return true;
- }
- if (isUsedInFunctionOrInstanceProperty(usage, declaration)) {
- if (compilerOptions.target === 99 /* ESNext */ && !!compilerOptions.useDefineForClassFields
- && ts.getContainingClass(declaration)
- && (ts.isPropertyDeclaration(declaration) || ts.isParameterPropertyDeclaration(declaration, declaration.parent))) {
- return !isPropertyImmediatelyReferencedWithinDeclaration(declaration, usage, /*stopAtAnyPropertyDeclaration*/ true);
- }
- else {
- return true;
- }
- }
- return false;
- function usageInTypeDeclaration() {
- return !!ts.findAncestor(usage, function (node) { return ts.isInterfaceDeclaration(node) || ts.isTypeAliasDeclaration(node); });
- }
- function isImmediatelyUsedInInitializerOfBlockScopedVariable(declaration, usage) {
- switch (declaration.parent.parent.kind) {
- case 225 /* VariableStatement */:
- case 230 /* ForStatement */:
- case 232 /* ForOfStatement */:
- // variable statement/for/for-of statement case,
- // use site should not be inside variable declaration (initializer of declaration or binding element)
- if (isSameScopeDescendentOf(usage, declaration, declContainer)) {
- return true;
- }
- break;
- }
- // ForIn/ForOf case - use site should not be used in expression part
- var grandparent = declaration.parent.parent;
- return ts.isForInOrOfStatement(grandparent) && isSameScopeDescendentOf(usage, grandparent.expression, declContainer);
- }
- function isUsedInFunctionOrInstanceProperty(usage, declaration) {
- return !!ts.findAncestor(usage, function (current) {
- if (current === declContainer) {
- return "quit";
- }
- if (ts.isFunctionLike(current)) {
- return true;
- }
- var initializerOfProperty = current.parent &&
- current.parent.kind === 159 /* PropertyDeclaration */ &&
- current.parent.initializer === current;
- if (initializerOfProperty) {
- if (ts.hasModifier(current.parent, 32 /* Static */)) {
- if (declaration.kind === 161 /* MethodDeclaration */) {
- return true;
- }
- }
- else {
- var isDeclarationInstanceProperty = declaration.kind === 159 /* PropertyDeclaration */ && !ts.hasModifier(declaration, 32 /* Static */);
- if (!isDeclarationInstanceProperty || ts.getContainingClass(usage) !== ts.getContainingClass(declaration)) {
- return true;
- }
- }
- }
- return false;
- });
- }
- /** stopAtAnyPropertyDeclaration is used for detecting ES-standard class field use-before-def errors */
- function isPropertyImmediatelyReferencedWithinDeclaration(declaration, usage, stopAtAnyPropertyDeclaration) {
- // always legal if usage is after declaration
- if (usage.end > declaration.end) {
- return false;
- }
- // still might be legal if usage is deferred (e.g. x: any = () => this.x)
- // otherwise illegal if immediately referenced within the declaration (e.g. x: any = this.x)
- var ancestorChangingReferenceScope = ts.findAncestor(usage, function (node) {
- if (node === declaration) {
- return "quit";
- }
- switch (node.kind) {
- case 202 /* ArrowFunction */:
- return true;
- case 159 /* PropertyDeclaration */:
- // even when stopping at any property declaration, they need to come from the same class
- return stopAtAnyPropertyDeclaration &&
- (ts.isPropertyDeclaration(declaration) && node.parent === declaration.parent
- || ts.isParameterPropertyDeclaration(declaration, declaration.parent) && node.parent === declaration.parent.parent)
- ? "quit" : true;
- case 223 /* Block */:
- switch (node.parent.kind) {
- case 163 /* GetAccessor */:
- case 161 /* MethodDeclaration */:
- case 164 /* SetAccessor */:
- return true;
- default:
- return false;
- }
- default:
- return false;
- }
- });
- return ancestorChangingReferenceScope === undefined;
- }
- }
- function useOuterVariableScopeInParameter(result, location, lastLocation) {
- var target = ts.getEmitScriptTarget(compilerOptions);
- var functionLocation = location;
- if (ts.isParameter(lastLocation) && functionLocation.body && result.valueDeclaration.pos >= functionLocation.body.pos && result.valueDeclaration.end <= functionLocation.body.end) {
- // check for several cases where we introduce temporaries that require moving the name/initializer of the parameter to the body
- // - static field in a class expression
- // - optional chaining pre-es2020
- // - nullish coalesce pre-es2020
- // - spread assignment in binding pattern pre-es2017
- if (target >= 2 /* ES2015 */) {
- var links = getNodeLinks(functionLocation);
- if (links.declarationRequiresScopeChange === undefined) {
- links.declarationRequiresScopeChange = ts.forEach(functionLocation.parameters, requiresScopeChange) || false;
- }
- return !links.declarationRequiresScopeChange;
- }
- }
- return false;
- function requiresScopeChange(node) {
- return requiresScopeChangeWorker(node.name)
- || !!node.initializer && requiresScopeChangeWorker(node.initializer);
- }
- function requiresScopeChangeWorker(node) {
- switch (node.kind) {
- case 202 /* ArrowFunction */:
- case 201 /* FunctionExpression */:
- case 244 /* FunctionDeclaration */:
- case 162 /* Constructor */:
- // do not descend into these
- return false;
- case 161 /* MethodDeclaration */:
- case 163 /* GetAccessor */:
- case 164 /* SetAccessor */:
- case 281 /* PropertyAssignment */:
- return requiresScopeChangeWorker(node.name);
- case 159 /* PropertyDeclaration */:
- // static properties in classes introduce temporary variables
- if (ts.hasStaticModifier(node)) {
- return target < 99 /* ESNext */ || !compilerOptions.useDefineForClassFields;
- }
- return requiresScopeChangeWorker(node.name);
- default:
- // null coalesce and optional chain pre-es2020 produce temporary variables
- if (ts.isNullishCoalesce(node) || ts.isOptionalChain(node)) {
- return target < 7 /* ES2020 */;
- }
- if (ts.isBindingElement(node) && node.dotDotDotToken && ts.isObjectBindingPattern(node.parent)) {
- return target < 4 /* ES2017 */;
- }
- if (ts.isTypeNode(node))
- return false;
- return ts.forEachChild(node, requiresScopeChangeWorker) || false;
- }
- }
- }
- /**
- * Resolve a given name for a given meaning at a given location. An error is reported if the name was not found and
- * the nameNotFoundMessage argument is not undefined. Returns the resolved symbol, or undefined if no symbol with
- * the given name can be found.
- *
- * @param isUse If true, this will count towards --noUnusedLocals / --noUnusedParameters.
- */
- function resolveName(location, name, meaning, nameNotFoundMessage, nameArg, isUse, excludeGlobals, suggestedNameNotFoundMessage) {
- if (excludeGlobals === void 0) { excludeGlobals = false; }
- return resolveNameHelper(location, name, meaning, nameNotFoundMessage, nameArg, isUse, excludeGlobals, getSymbol, suggestedNameNotFoundMessage);
- }
- function resolveNameHelper(location, name, meaning, nameNotFoundMessage, nameArg, isUse, excludeGlobals, lookup, suggestedNameNotFoundMessage) {
- var originalLocation = location; // needed for did-you-mean error reporting, which gathers candidates starting from the original location
- var result;
- var lastLocation;
- var lastSelfReferenceLocation;
- var propertyWithInvalidInitializer;
- var associatedDeclarationForContainingInitializerOrBindingName;
- var withinDeferredContext = false;
- var errorLocation = location;
- var grandparent;
- var isInExternalModule = false;
- loop: while (location) {
- // Locals of a source file are not in scope (because they get merged into the global symbol table)
- if (location.locals && !isGlobalSourceFile(location)) {
- if (result = lookup(location.locals, name, meaning)) {
- var useResult = true;
- if (ts.isFunctionLike(location) && lastLocation && lastLocation !== location.body) {
- // symbol lookup restrictions for function-like declarations
- // - Type parameters of a function are in scope in the entire function declaration, including the parameter
- // list and return type. However, local types are only in scope in the function body.
- // - parameters are only in the scope of function body
- // This restriction does not apply to JSDoc comment types because they are parented
- // at a higher level than type parameters would normally be
- if (meaning & result.flags & 788968 /* Type */ && lastLocation.kind !== 303 /* JSDocComment */) {
- useResult = result.flags & 262144 /* TypeParameter */
- // type parameters are visible in parameter list, return type and type parameter list
- ? lastLocation === location.type ||
- lastLocation.kind === 156 /* Parameter */ ||
- lastLocation.kind === 155 /* TypeParameter */
- // local types not visible outside the function body
- : false;
- }
- if (meaning & result.flags & 3 /* Variable */) {
- // expression inside parameter will lookup as normal variable scope when targeting es2015+
- if (useOuterVariableScopeInParameter(result, location, lastLocation)) {
- useResult = false;
- }
- else if (result.flags & 1 /* FunctionScopedVariable */) {
- // parameters are visible only inside function body, parameter list and return type
- // technically for parameter list case here we might mix parameters and variables declared in function,
- // however it is detected separately when checking initializers of parameters
- // to make sure that they reference no variables declared after them.
- useResult =
- lastLocation.kind === 156 /* Parameter */ ||
- (lastLocation === location.type &&
- !!ts.findAncestor(result.valueDeclaration, ts.isParameter));
- }
- }
- }
- else if (location.kind === 180 /* ConditionalType */) {
- // A type parameter declared using 'infer T' in a conditional type is visible only in
- // the true branch of the conditional type.
- useResult = lastLocation === location.trueType;
- }
- if (useResult) {
- break loop;
- }
- else {
- result = undefined;
- }
- }
- }
- withinDeferredContext = withinDeferredContext || getIsDeferredContext(location, lastLocation);
- switch (location.kind) {
- case 290 /* SourceFile */:
- if (!ts.isExternalOrCommonJsModule(location))
- break;
- isInExternalModule = true;
- // falls through
- case 249 /* ModuleDeclaration */:
- var moduleExports = getSymbolOfNode(location).exports || emptySymbols;
- if (location.kind === 290 /* SourceFile */ || (ts.isModuleDeclaration(location) && location.flags & 8388608 /* Ambient */ && !ts.isGlobalScopeAugmentation(location))) {
- // It's an external module. First see if the module has an export default and if the local
- // name of that export default matches.
- if (result = moduleExports.get("default" /* Default */)) {
- var localSymbol = ts.getLocalSymbolForExportDefault(result);
- if (localSymbol && (result.flags & meaning) && localSymbol.escapedName === name) {
- break loop;
- }
- result = undefined;
- }
- // Because of module/namespace merging, a module's exports are in scope,
- // yet we never want to treat an export specifier as putting a member in scope.
- // Therefore, if the name we find is purely an export specifier, it is not actually considered in scope.
- // Two things to note about this:
- // 1. We have to check this without calling getSymbol. The problem with calling getSymbol
- // on an export specifier is that it might find the export specifier itself, and try to
- // resolve it as an alias. This will cause the checker to consider the export specifier
- // a circular alias reference when it might not be.
- // 2. We check === SymbolFlags.Alias in order to check that the symbol is *purely*
- // an alias. If we used &, we'd be throwing out symbols that have non alias aspects,
- // which is not the desired behavior.
- var moduleExport = moduleExports.get(name);
- if (moduleExport &&
- moduleExport.flags === 2097152 /* Alias */ &&
- (ts.getDeclarationOfKind(moduleExport, 263 /* ExportSpecifier */) || ts.getDeclarationOfKind(moduleExport, 262 /* NamespaceExport */))) {
- break;
- }
- }
- // ES6 exports are also visible locally (except for 'default'), but commonjs exports are not (except typedefs)
- if (name !== "default" /* Default */ && (result = lookup(moduleExports, name, meaning & 2623475 /* ModuleMember */))) {
- if (ts.isSourceFile(location) && location.commonJsModuleIndicator && !result.declarations.some(ts.isJSDocTypeAlias)) {
- result = undefined;
- }
- else {
- break loop;
- }
- }
- break;
- case 248 /* EnumDeclaration */:
- if (result = lookup(getSymbolOfNode(location).exports, name, meaning & 8 /* EnumMember */)) {
- break loop;
- }
- break;
- case 159 /* PropertyDeclaration */:
- // TypeScript 1.0 spec (April 2014): 8.4.1
- // Initializer expressions for instance member variables are evaluated in the scope
- // of the class constructor body but are not permitted to reference parameters or
- // local variables of the constructor. This effectively means that entities from outer scopes
- // by the same name as a constructor parameter or local variable are inaccessible
- // in initializer expressions for instance member variables.
- if (!ts.hasModifier(location, 32 /* Static */)) {
- var ctor = findConstructorDeclaration(location.parent);
- if (ctor && ctor.locals) {
- if (lookup(ctor.locals, name, meaning & 111551 /* Value */)) {
- // Remember the property node, it will be used later to report appropriate error
- propertyWithInvalidInitializer = location;
- }
- }
- }
- break;
- case 245 /* ClassDeclaration */:
- case 214 /* ClassExpression */:
- case 246 /* InterfaceDeclaration */:
- // The below is used to lookup type parameters within a class or interface, as they are added to the class/interface locals
- // These can never be latebound, so the symbol's raw members are sufficient. `getMembersOfNode` cannot be used, as it would
- // trigger resolving late-bound names, which we may already be in the process of doing while we're here!
- if (result = lookup(getSymbolOfNode(location).members || emptySymbols, name, meaning & 788968 /* Type */)) {
- if (!isTypeParameterSymbolDeclaredInContainer(result, location)) {
- // ignore type parameters not declared in this container
- result = undefined;
- break;
- }
- if (lastLocation && ts.hasModifier(lastLocation, 32 /* Static */)) {
- // TypeScript 1.0 spec (April 2014): 3.4.1
- // The scope of a type parameter extends over the entire declaration with which the type
- // parameter list is associated, with the exception of static member declarations in classes.
- error(errorLocation, ts.Diagnostics.Static_members_cannot_reference_class_type_parameters);
- return undefined;
- }
- break loop;
- }
- if (location.kind === 214 /* ClassExpression */ && meaning & 32 /* Class */) {
- var className = location.name;
- if (className && name === className.escapedText) {
- result = location.symbol;
- break loop;
- }
- }
- break;
- case 216 /* ExpressionWithTypeArguments */:
- // The type parameters of a class are not in scope in the base class expression.
- if (lastLocation === location.expression && location.parent.token === 90 /* ExtendsKeyword */) {
- var container = location.parent.parent;
- if (ts.isClassLike(container) && (result = lookup(getSymbolOfNode(container).members, name, meaning & 788968 /* Type */))) {
- if (nameNotFoundMessage) {
- error(errorLocation, ts.Diagnostics.Base_class_expressions_cannot_reference_class_type_parameters);
- }
- return undefined;
- }
- }
- break;
- // It is not legal to reference a class's own type parameters from a computed property name that
- // belongs to the class. For example:
- //
- // function foo<T>() { return '' }
- // class C<T> { // <-- Class's own type parameter T
- // [foo<T>()]() { } // <-- Reference to T from class's own computed property
- // }
- //
- case 154 /* ComputedPropertyName */:
- grandparent = location.parent.parent;
- if (ts.isClassLike(grandparent) || grandparent.kind === 246 /* InterfaceDeclaration */) {
- // A reference to this grandparent's type parameters would be an error
- if (result = lookup(getSymbolOfNode(grandparent).members, name, meaning & 788968 /* Type */)) {
- error(errorLocation, ts.Diagnostics.A_computed_property_name_cannot_reference_a_type_parameter_from_its_containing_type);
- return undefined;
- }
- }
- break;
- case 202 /* ArrowFunction */:
- // when targeting ES6 or higher there is no 'arguments' in an arrow function
- // for lower compile targets the resolved symbol is used to emit an error
- if (compilerOptions.target >= 2 /* ES2015 */) {
- break;
- }
- // falls through
- case 161 /* MethodDeclaration */:
- case 162 /* Constructor */:
- case 163 /* GetAccessor */:
- case 164 /* SetAccessor */:
- case 244 /* FunctionDeclaration */:
- if (meaning & 3 /* Variable */ && name === "arguments") {
- result = argumentsSymbol;
- break loop;
- }
- break;
- case 201 /* FunctionExpression */:
- if (meaning & 3 /* Variable */ && name === "arguments") {
- result = argumentsSymbol;
- break loop;
- }
- if (meaning & 16 /* Function */) {
- var functionName = location.name;
- if (functionName && name === functionName.escapedText) {
- result = location.symbol;
- break loop;
- }
- }
- break;
- case 157 /* Decorator */:
- // Decorators are resolved at the class declaration. Resolving at the parameter
- // or member would result in looking up locals in the method.
- //
- // function y() {}
- // class C {
- // method(@y x, y) {} // <-- decorator y should be resolved at the class declaration, not the parameter.
- // }
- //
- if (location.parent && location.parent.kind === 156 /* Parameter */) {
- location = location.parent;
- }
- //
- // function y() {}
- // class C {
- // @y method(x, y) {} // <-- decorator y should be resolved at the class declaration, not the method.
- // }
- //
- // class Decorators are resolved outside of the class to avoid referencing type parameters of that class.
- //
- // type T = number;
- // declare function y(x: T): any;
- // @param(1 as T) // <-- T should resolve to the type alias outside of class C
- // class C<T> {}
- if (location.parent && (ts.isClassElement(location.parent) || location.parent.kind === 245 /* ClassDeclaration */)) {
- location = location.parent;
- }
- break;
- case 322 /* JSDocTypedefTag */:
- case 315 /* JSDocCallbackTag */:
- case 316 /* JSDocEnumTag */:
- // js type aliases do not resolve names from their host, so skip past it
- location = ts.getJSDocHost(location);
- break;
- case 156 /* Parameter */:
- if (lastLocation && (lastLocation === location.initializer ||
- lastLocation === location.name && ts.isBindingPattern(lastLocation))) {
- if (!associatedDeclarationForContainingInitializerOrBindingName) {
- associatedDeclarationForContainingInitializerOrBindingName = location;
- }
- }
- break;
- case 191 /* BindingElement */:
- if (lastLocation && (lastLocation === location.initializer ||
- lastLocation === location.name && ts.isBindingPattern(lastLocation))) {
- var root = ts.getRootDeclaration(location);
- if (root.kind === 156 /* Parameter */) {
- if (!associatedDeclarationForContainingInitializerOrBindingName) {
- associatedDeclarationForContainingInitializerOrBindingName = location;
- }
- }
- }
- break;
- }
- if (isSelfReferenceLocation(location)) {
- lastSelfReferenceLocation = location;
- }
- lastLocation = location;
- location = location.parent;
- }
- // We just climbed up parents looking for the name, meaning that we started in a descendant node of `lastLocation`.
- // If `result === lastSelfReferenceLocation.symbol`, that means that we are somewhere inside `lastSelfReferenceLocation` looking up a name, and resolving to `lastLocation` itself.
- // That means that this is a self-reference of `lastLocation`, and shouldn't count this when considering whether `lastLocation` is used.
- if (isUse && result && (!lastSelfReferenceLocation || result !== lastSelfReferenceLocation.symbol)) {
- result.isReferenced |= meaning;
- }
- if (!result) {
- if (lastLocation) {
- ts.Debug.assert(lastLocation.kind === 290 /* SourceFile */);
- if (lastLocation.commonJsModuleIndicator && name === "exports" && meaning & lastLocation.symbol.flags) {
- return lastLocation.symbol;
- }
- }
- if (!excludeGlobals) {
- result = lookup(globals, name, meaning);
- }
- }
- if (!result) {
- if (originalLocation && ts.isInJSFile(originalLocation) && originalLocation.parent) {
- if (ts.isRequireCall(originalLocation.parent, /*checkArgumentIsStringLiteralLike*/ false)) {
- return requireSymbol;
- }
- }
- }
- if (!result) {
- if (nameNotFoundMessage) {
- if (!errorLocation ||
- !checkAndReportErrorForMissingPrefix(errorLocation, name, nameArg) && // TODO: GH#18217
- !checkAndReportErrorForExtendingInterface(errorLocation) &&
- !checkAndReportErrorForUsingTypeAsNamespace(errorLocation, name, meaning) &&
- !checkAndReportErrorForExportingPrimitiveType(errorLocation, name) &&
- !checkAndReportErrorForUsingTypeAsValue(errorLocation, name, meaning) &&
- !checkAndReportErrorForUsingNamespaceModuleAsValue(errorLocation, name, meaning) &&
- !checkAndReportErrorForUsingValueAsType(errorLocation, name, meaning)) {
- var suggestion = void 0;
- if (suggestedNameNotFoundMessage && suggestionCount < maximumSuggestionCount) {
- suggestion = getSuggestedSymbolForNonexistentSymbol(originalLocation, name, meaning);
- if (suggestion) {
- var suggestionName = symbolToString(suggestion);
- var diagnostic = error(errorLocation, suggestedNameNotFoundMessage, diagnosticName(nameArg), suggestionName);
- if (suggestion.valueDeclaration) {
- ts.addRelatedInfo(diagnostic, ts.createDiagnosticForNode(suggestion.valueDeclaration, ts.Diagnostics._0_is_declared_here, suggestionName));
- }
- }
- }
- if (!suggestion) {
- error(errorLocation, nameNotFoundMessage, diagnosticName(nameArg));
- }
- suggestionCount++;
- }
- }
- return undefined;
- }
- // Perform extra checks only if error reporting was requested
- if (nameNotFoundMessage) {
- if (propertyWithInvalidInitializer && !(compilerOptions.target === 99 /* ESNext */ && compilerOptions.useDefineForClassFields)) {
- // We have a match, but the reference occurred within a property initializer and the identifier also binds
- // to a local variable in the constructor where the code will be emitted. Note that this is actually allowed
- // with ESNext+useDefineForClassFields because the scope semantics are different.
- var propertyName = propertyWithInvalidInitializer.name;
- error(errorLocation, ts.Diagnostics.Initializer_of_instance_member_variable_0_cannot_reference_identifier_1_declared_in_the_constructor, ts.declarationNameToString(propertyName), diagnosticName(nameArg));
- return undefined;
- }
- // Only check for block-scoped variable if we have an error location and are looking for the
- // name with variable meaning
- // For example,
- // declare module foo {
- // interface bar {}
- // }
- // const foo/*1*/: foo/*2*/.bar;
- // The foo at /*1*/ and /*2*/ will share same symbol with two meanings:
- // block-scoped variable and namespace module. However, only when we
- // try to resolve name in /*1*/ which is used in variable position,
- // we want to check for block-scoped
- if (errorLocation &&
- (meaning & 2 /* BlockScopedVariable */ ||
- ((meaning & 32 /* Class */ || meaning & 384 /* Enum */) && (meaning & 111551 /* Value */) === 111551 /* Value */))) {
- var exportOrLocalSymbol = getExportSymbolOfValueSymbolIfExported(result);
- if (exportOrLocalSymbol.flags & 2 /* BlockScopedVariable */ || exportOrLocalSymbol.flags & 32 /* Class */ || exportOrLocalSymbol.flags & 384 /* Enum */) {
- checkResolvedBlockScopedVariable(exportOrLocalSymbol, errorLocation);
- }
- }
- // If we're in an external module, we can't reference value symbols created from UMD export declarations
- if (result && isInExternalModule && (meaning & 111551 /* Value */) === 111551 /* Value */ && !(originalLocation.flags & 4194304 /* JSDoc */)) {
- var merged = getMergedSymbol(result);
- if (ts.length(merged.declarations) && ts.every(merged.declarations, function (d) { return ts.isNamespaceExportDeclaration(d) || ts.isSourceFile(d) && !!d.symbol.globalExports; })) {
- errorOrSuggestion(!compilerOptions.allowUmdGlobalAccess, errorLocation, ts.Diagnostics._0_refers_to_a_UMD_global_but_the_current_file_is_a_module_Consider_adding_an_import_instead, ts.unescapeLeadingUnderscores(name));
- }
- }
- // If we're in a parameter initializer or binding name, we can't reference the values of the parameter whose initializer we're within or parameters to the right
- if (result && associatedDeclarationForContainingInitializerOrBindingName && !withinDeferredContext && (meaning & 111551 /* Value */) === 111551 /* Value */) {
- var candidate = getMergedSymbol(getLateBoundSymbol(result));
- var root = ts.getRootDeclaration(associatedDeclarationForContainingInitializerOrBindingName);
- // A parameter initializer or binding pattern initializer within a parameter cannot refer to itself
- if (candidate === getSymbolOfNode(associatedDeclarationForContainingInitializerOrBindingName)) {
- error(errorLocation, ts.Diagnostics.Parameter_0_cannot_reference_itself, ts.declarationNameToString(associatedDeclarationForContainingInitializerOrBindingName.name));
- }
- // And it cannot refer to any declarations which come after it
- else if (candidate.valueDeclaration && candidate.valueDeclaration.pos > associatedDeclarationForContainingInitializerOrBindingName.pos && root.parent.locals && lookup(root.parent.locals, candidate.escapedName, meaning) === candidate) {
- error(errorLocation, ts.Diagnostics.Parameter_0_cannot_reference_identifier_1_declared_after_it, ts.declarationNameToString(associatedDeclarationForContainingInitializerOrBindingName.name), ts.declarationNameToString(errorLocation));
- }
- }
- if (result && errorLocation && meaning & 111551 /* Value */ && result.flags & 2097152 /* Alias */) {
- checkSymbolUsageInExpressionContext(result, name, errorLocation);
- }
- }
- return result;
- }
- function checkSymbolUsageInExpressionContext(symbol, name, useSite) {
- if (!ts.isValidTypeOnlyAliasUseSite(useSite)) {
- var typeOnlyDeclaration = getTypeOnlyAliasDeclaration(symbol);
- if (typeOnlyDeclaration) {
- var isExport = ts.typeOnlyDeclarationIsExport(typeOnlyDeclaration);
- var message = isExport
- ? ts.Diagnostics._0_cannot_be_used_as_a_value_because_it_was_exported_using_export_type
- : ts.Diagnostics._0_cannot_be_used_as_a_value_because_it_was_imported_using_import_type;
- var relatedMessage = isExport
- ? ts.Diagnostics._0_was_exported_here
- : ts.Diagnostics._0_was_imported_here;
- var unescapedName = ts.unescapeLeadingUnderscores(name);
- ts.addRelatedInfo(error(useSite, message, unescapedName), ts.createDiagnosticForNode(typeOnlyDeclaration, relatedMessage, unescapedName));
- }
- }
- }
- function getIsDeferredContext(location, lastLocation) {
- if (location.kind !== 202 /* ArrowFunction */ && location.kind !== 201 /* FunctionExpression */) {
- // initializers in instance property declaration of class like entities are executed in constructor and thus deferred
- return ts.isTypeQueryNode(location) || ((ts.isFunctionLikeDeclaration(location) ||
- (location.kind === 159 /* PropertyDeclaration */ && !ts.hasModifier(location, 32 /* Static */))) && (!lastLocation || lastLocation !== location.name)); // A name is evaluated within the enclosing scope - so it shouldn't count as deferred
- }
- if (lastLocation && lastLocation === location.name) {
- return false;
- }
- // generator functions and async functions are not inlined in control flow when immediately invoked
- if (location.asteriskToken || ts.hasModifier(location, 256 /* Async */)) {
- return true;
- }
- return !ts.getImmediatelyInvokedFunctionExpression(location);
- }
- function isSelfReferenceLocation(node) {
- switch (node.kind) {
- case 244 /* FunctionDeclaration */:
- case 245 /* ClassDeclaration */:
- case 246 /* InterfaceDeclaration */:
- case 248 /* EnumDeclaration */:
- case 247 /* TypeAliasDeclaration */:
- case 249 /* ModuleDeclaration */: // For `namespace N { N; }`
- return true;
- default:
- return false;
- }
- }
- function diagnosticName(nameArg) {
- return ts.isString(nameArg) ? ts.unescapeLeadingUnderscores(nameArg) : ts.declarationNameToString(nameArg);
- }
- function isTypeParameterSymbolDeclaredInContainer(symbol, container) {
- for (var _i = 0, _a = symbol.declarations; _i < _a.length; _i++) {
- var decl = _a[_i];
- if (decl.kind === 155 /* TypeParameter */) {
- var parent = ts.isJSDocTemplateTag(decl.parent) ? ts.getJSDocHost(decl.parent) : decl.parent;
- if (parent === container) {
- return !(ts.isJSDocTemplateTag(decl.parent) && ts.find(decl.parent.parent.tags, ts.isJSDocTypeAlias)); // TODO: GH#18217
- }
- }
- }
- return false;
- }
- function checkAndReportErrorForMissingPrefix(errorLocation, name, nameArg) {
- if (!ts.isIdentifier(errorLocation) || errorLocation.escapedText !== name || isTypeReferenceIdentifier(errorLocation) || isInTypeQuery(errorLocation)) {
- return false;
- }
- var container = ts.getThisContainer(errorLocation, /*includeArrowFunctions*/ false);
- var location = container;
- while (location) {
- if (ts.isClassLike(location.parent)) {
- var classSymbol = getSymbolOfNode(location.parent);
- if (!classSymbol) {
- break;
- }
- // Check to see if a static member exists.
- var constructorType = getTypeOfSymbol(classSymbol);
- if (getPropertyOfType(constructorType, name)) {
- error(errorLocation, ts.Diagnostics.Cannot_find_name_0_Did_you_mean_the_static_member_1_0, diagnosticName(nameArg), symbolToString(classSymbol));
- return true;
- }
- // No static member is present.
- // Check if we're in an instance method and look for a relevant instance member.
- if (location === container && !ts.hasModifier(location, 32 /* Static */)) {
- var instanceType = getDeclaredTypeOfSymbol(classSymbol).thisType; // TODO: GH#18217
- if (getPropertyOfType(instanceType, name)) {
- error(errorLocation, ts.Diagnostics.Cannot_find_name_0_Did_you_mean_the_instance_member_this_0, diagnosticName(nameArg));
- return true;
- }
- }
- }
- location = location.parent;
- }
- return false;
- }
- function checkAndReportErrorForExtendingInterface(errorLocation) {
- var expression = getEntityNameForExtendingInterface(errorLocation);
- if (expression && resolveEntityName(expression, 64 /* Interface */, /*ignoreErrors*/ true)) {
- error(errorLocation, ts.Diagnostics.Cannot_extend_an_interface_0_Did_you_mean_implements, ts.getTextOfNode(expression));
- return true;
- }
- return false;
- }
- /**
- * Climbs up parents to an ExpressionWithTypeArguments, and returns its expression,
- * but returns undefined if that expression is not an EntityNameExpression.
- */
- function getEntityNameForExtendingInterface(node) {
- switch (node.kind) {
- case 75 /* Identifier */:
- case 194 /* PropertyAccessExpression */:
- return node.parent ? getEntityNameForExtendingInterface(node.parent) : undefined;
- case 216 /* ExpressionWithTypeArguments */:
- if (ts.isEntityNameExpression(node.expression)) {
- return node.expression;
- }
- // falls through
- default:
- return undefined;
- }
- }
- function checkAndReportErrorForUsingTypeAsNamespace(errorLocation, name, meaning) {
- var namespaceMeaning = 1920 /* Namespace */ | (ts.isInJSFile(errorLocation) ? 111551 /* Value */ : 0);
- if (meaning === namespaceMeaning) {
- var symbol = resolveSymbol(resolveName(errorLocation, name, 788968 /* Type */ & ~namespaceMeaning, /*nameNotFoundMessage*/ undefined, /*nameArg*/ undefined, /*isUse*/ false));
- var parent = errorLocation.parent;
- if (symbol) {
- if (ts.isQualifiedName(parent)) {
- ts.Debug.assert(parent.left === errorLocation, "Should only be resolving left side of qualified name as a namespace");
- var propName = parent.right.escapedText;
- var propType = getPropertyOfType(getDeclaredTypeOfSymbol(symbol), propName);
- if (propType) {
- error(parent, ts.Diagnostics.Cannot_access_0_1_because_0_is_a_type_but_not_a_namespace_Did_you_mean_to_retrieve_the_type_of_the_property_1_in_0_with_0_1, ts.unescapeLeadingUnderscores(name), ts.unescapeLeadingUnderscores(propName));
- return true;
- }
- }
- error(errorLocation, ts.Diagnostics._0_only_refers_to_a_type_but_is_being_used_as_a_namespace_here, ts.unescapeLeadingUnderscores(name));
- return true;
- }
- }
- return false;
- }
- function checkAndReportErrorForUsingValueAsType(errorLocation, name, meaning) {
- if (meaning & (788968 /* Type */ & ~1920 /* Namespace */)) {
- var symbol = resolveSymbol(resolveName(errorLocation, name, ~788968 /* Type */ & 111551 /* Value */, /*nameNotFoundMessage*/ undefined, /*nameArg*/ undefined, /*isUse*/ false));
- if (symbol && !(symbol.flags & 1920 /* Namespace */)) {
- error(errorLocation, ts.Diagnostics._0_refers_to_a_value_but_is_being_used_as_a_type_here_Did_you_mean_typeof_0, ts.unescapeLeadingUnderscores(name));
- return true;
- }
- }
- return false;
- }
- function isPrimitiveTypeName(name) {
- return name === "any" || name === "string" || name === "number" || name === "boolean" || name === "never" || name === "unknown";
- }
- function checkAndReportErrorForExportingPrimitiveType(errorLocation, name) {
- if (isPrimitiveTypeName(name) && errorLocation.parent.kind === 263 /* ExportSpecifier */) {
- error(errorLocation, ts.Diagnostics.Cannot_export_0_Only_local_declarations_can_be_exported_from_a_module, name);
- return true;
- }
- return false;
- }
- function checkAndReportErrorForUsingTypeAsValue(errorLocation, name, meaning) {
- if (meaning & (111551 /* Value */ & ~1024 /* NamespaceModule */)) {
- if (isPrimitiveTypeName(name)) {
- error(errorLocation, ts.Diagnostics._0_only_refers_to_a_type_but_is_being_used_as_a_value_here, ts.unescapeLeadingUnderscores(name));
- return true;
- }
- var symbol = resolveSymbol(resolveName(errorLocation, name, 788968 /* Type */ & ~111551 /* Value */, /*nameNotFoundMessage*/ undefined, /*nameArg*/ undefined, /*isUse*/ false));
- if (symbol && !(symbol.flags & 1024 /* NamespaceModule */)) {
- var message = isES2015OrLaterConstructorName(name)
- ? ts.Diagnostics._0_only_refers_to_a_type_but_is_being_used_as_a_value_here_Do_you_need_to_change_your_target_library_Try_changing_the_lib_compiler_option_to_es2015_or_later
- : ts.Diagnostics._0_only_refers_to_a_type_but_is_being_used_as_a_value_here;
- error(errorLocation, message, ts.unescapeLeadingUnderscores(name));
- return true;
- }
- }
- return false;
- }
- function isES2015OrLaterConstructorName(n) {
- switch (n) {
- case "Promise":
- case "Symbol":
- case "Map":
- case "WeakMap":
- case "Set":
- case "WeakSet":
- return true;
- }
- return false;
- }
- function checkAndReportErrorForUsingNamespaceModuleAsValue(errorLocation, name, meaning) {
- if (meaning & (111551 /* Value */ & ~1024 /* NamespaceModule */ & ~788968 /* Type */)) {
- var symbol = resolveSymbol(resolveName(errorLocation, name, 1024 /* NamespaceModule */ & ~111551 /* Value */, /*nameNotFoundMessage*/ undefined, /*nameArg*/ undefined, /*isUse*/ false));
- if (symbol) {
- error(errorLocation, ts.Diagnostics.Cannot_use_namespace_0_as_a_value, ts.unescapeLeadingUnderscores(name));
- return true;
- }
- }
- else if (meaning & (788968 /* Type */ & ~1024 /* NamespaceModule */ & ~111551 /* Value */)) {
- var symbol = resolveSymbol(resolveName(errorLocation, name, (512 /* ValueModule */ | 1024 /* NamespaceModule */) & ~788968 /* Type */, /*nameNotFoundMessage*/ undefined, /*nameArg*/ undefined, /*isUse*/ false));
- if (symbol) {
- error(errorLocation, ts.Diagnostics.Cannot_use_namespace_0_as_a_type, ts.unescapeLeadingUnderscores(name));
- return true;
- }
- }
- return false;
- }
- function checkResolvedBlockScopedVariable(result, errorLocation) {
- ts.Debug.assert(!!(result.flags & 2 /* BlockScopedVariable */ || result.flags & 32 /* Class */ || result.flags & 384 /* Enum */));
- if (result.flags & (16 /* Function */ | 1 /* FunctionScopedVariable */ | 67108864 /* Assignment */) && result.flags & 32 /* Class */) {
- // constructor functions aren't block scoped
- return;
- }
- // Block-scoped variables cannot be used before their definition
- var declaration = ts.find(result.declarations, function (d) { return ts.isBlockOrCatchScoped(d) || ts.isClassLike(d) || (d.kind === 248 /* EnumDeclaration */); });
- if (declaration === undefined)
- return ts.Debug.fail("checkResolvedBlockScopedVariable could not find block-scoped declaration");
- if (!(declaration.flags & 8388608 /* Ambient */) && !isBlockScopedNameDeclaredBeforeUse(declaration, errorLocation)) {
- var diagnosticMessage = void 0;
- var declarationName = ts.declarationNameToString(ts.getNameOfDeclaration(declaration));
- if (result.flags & 2 /* BlockScopedVariable */) {
- diagnosticMessage = error(errorLocation, ts.Diagnostics.Block_scoped_variable_0_used_before_its_declaration, declarationName);
- }
- else if (result.flags & 32 /* Class */) {
- diagnosticMessage = error(errorLocation, ts.Diagnostics.Class_0_used_before_its_declaration, declarationName);
- }
- else if (result.flags & 256 /* RegularEnum */) {
- diagnosticMessage = error(errorLocation, ts.Diagnostics.Enum_0_used_before_its_declaration, declarationName);
- }
- else {
- ts.Debug.assert(!!(result.flags & 128 /* ConstEnum */));
- if (compilerOptions.preserveConstEnums) {
- diagnosticMessage = error(errorLocation, ts.Diagnostics.Class_0_used_before_its_declaration, declarationName);
- }
- }
- if (diagnosticMessage) {
- ts.addRelatedInfo(diagnosticMessage, ts.createDiagnosticForNode(declaration, ts.Diagnostics._0_is_declared_here, declarationName));
- }
- }
- }
- /* Starting from 'initial' node walk up the parent chain until 'stopAt' node is reached.
- * If at any point current node is equal to 'parent' node - return true.
- * Return false if 'stopAt' node is reached or isFunctionLike(current) === true.
- */
- function isSameScopeDescendentOf(initial, parent, stopAt) {
- return !!parent && !!ts.findAncestor(initial, function (n) { return n === stopAt || ts.isFunctionLike(n) ? "quit" : n === parent; });
- }
- function getAnyImportSyntax(node) {
- switch (node.kind) {
- case 253 /* ImportEqualsDeclaration */:
- return node;
- case 255 /* ImportClause */:
- return node.parent;
- case 256 /* NamespaceImport */:
- return node.parent.parent;
- case 258 /* ImportSpecifier */:
- return node.parent.parent.parent;
- default:
- return undefined;
- }
- }
- function getDeclarationOfAliasSymbol(symbol) {
- return ts.find(symbol.declarations, isAliasSymbolDeclaration);
- }
- /**
- * An alias symbol is created by one of the following declarations:
- * import <symbol> = ...
- * import <symbol> from ...
- * import * as <symbol> from ...
- * import { x as <symbol> } from ...
- * export { x as <symbol> } from ...
- * export * as ns <symbol> from ...
- * export = <EntityNameExpression>
- * export default <EntityNameExpression>
- * module.exports = <EntityNameExpression>
- * {<Identifier>}
- * {name: <EntityNameExpression>}
- */
- function isAliasSymbolDeclaration(node) {
- return node.kind === 253 /* ImportEqualsDeclaration */ ||
- node.kind === 252 /* NamespaceExportDeclaration */ ||
- node.kind === 255 /* ImportClause */ && !!node.name ||
- node.kind === 256 /* NamespaceImport */ ||
- node.kind === 262 /* NamespaceExport */ ||
- node.kind === 258 /* ImportSpecifier */ ||
- node.kind === 263 /* ExportSpecifier */ ||
- node.kind === 259 /* ExportAssignment */ && ts.exportAssignmentIsAlias(node) ||
- ts.isBinaryExpression(node) && ts.getAssignmentDeclarationKind(node) === 2 /* ModuleExports */ && ts.exportAssignmentIsAlias(node) ||
- ts.isPropertyAccessExpression(node)
- && ts.isBinaryExpression(node.parent)
- && node.parent.left === node
- && node.parent.operatorToken.kind === 62 /* EqualsToken */
- && isAliasableOrJsExpression(node.parent.right) ||
- node.kind === 282 /* ShorthandPropertyAssignment */ ||
- node.kind === 281 /* PropertyAssignment */ && isAliasableOrJsExpression(node.initializer);
- }
- function isAliasableOrJsExpression(e) {
- return ts.isAliasableExpression(e) || ts.isFunctionExpression(e) && isJSConstructor(e);
- }
- function getTargetOfImportEqualsDeclaration(node, dontResolveAlias) {
- if (node.moduleReference.kind === 265 /* ExternalModuleReference */) {
- var immediate = resolveExternalModuleName(node, ts.getExternalModuleImportEqualsDeclarationExpression(node));
- var resolved_4 = resolveExternalModuleSymbol(immediate);
- markSymbolOfAliasDeclarationIfTypeOnly(node, immediate, resolved_4, /*overwriteEmpty*/ false);
- return resolved_4;
- }
- var resolved = getSymbolOfPartOfRightHandSideOfImportEquals(node.moduleReference, dontResolveAlias);
- checkAndReportErrorForResolvingImportAliasToTypeOnlySymbol(node, resolved);
- return resolved;
- }
- function checkAndReportErrorForResolvingImportAliasToTypeOnlySymbol(node, resolved) {
- if (markSymbolOfAliasDeclarationIfTypeOnly(node, /*immediateTarget*/ undefined, resolved, /*overwriteEmpty*/ false)) {
- var typeOnlyDeclaration = getTypeOnlyAliasDeclaration(getSymbolOfNode(node));
- var isExport = ts.typeOnlyDeclarationIsExport(typeOnlyDeclaration);
- var message = isExport
- ? ts.Diagnostics.An_import_alias_cannot_reference_a_declaration_that_was_exported_using_export_type
- : ts.Diagnostics.An_import_alias_cannot_reference_a_declaration_that_was_imported_using_import_type;
- var relatedMessage = isExport
- ? ts.Diagnostics._0_was_exported_here
- : ts.Diagnostics._0_was_imported_here;
- // Non-null assertion is safe because the optionality comes from ImportClause,
- // but if an ImportClause was the typeOnlyDeclaration, it had to have a `name`.
- var name = ts.unescapeLeadingUnderscores(typeOnlyDeclaration.name.escapedText);
- ts.addRelatedInfo(error(node.moduleReference, message), ts.createDiagnosticForNode(typeOnlyDeclaration, relatedMessage, name));
- }
- }
- function resolveExportByName(moduleSymbol, name, sourceNode, dontResolveAlias) {
- var exportValue = moduleSymbol.exports.get("export=" /* ExportEquals */);
- if (exportValue) {
- return getPropertyOfType(getTypeOfSymbol(exportValue), name);
- }
- var exportSymbol = moduleSymbol.exports.get(name);
- var resolved = resolveSymbol(exportSymbol, dontResolveAlias);
- markSymbolOfAliasDeclarationIfTypeOnly(sourceNode, exportSymbol, resolved, /*overwriteEmpty*/ false);
- return resolved;
- }
- function isSyntacticDefault(node) {
- return ((ts.isExportAssignment(node) && !node.isExportEquals) || ts.hasModifier(node, 512 /* Default */) || ts.isExportSpecifier(node));
- }
- function canHaveSyntheticDefault(file, moduleSymbol, dontResolveAlias) {
- if (!allowSyntheticDefaultImports) {
- return false;
- }
- // Declaration files (and ambient modules)
- if (!file || file.isDeclarationFile) {
- // Definitely cannot have a synthetic default if they have a syntactic default member specified
- var defaultExportSymbol = resolveExportByName(moduleSymbol, "default" /* Default */, /*sourceNode*/ undefined, /*dontResolveAlias*/ true); // Dont resolve alias because we want the immediately exported symbol's declaration
- if (defaultExportSymbol && ts.some(defaultExportSymbol.declarations, isSyntacticDefault)) {
- return false;
- }
- // It _might_ still be incorrect to assume there is no __esModule marker on the import at runtime, even if there is no `default` member
- // So we check a bit more,
- if (resolveExportByName(moduleSymbol, ts.escapeLeadingUnderscores("__esModule"), /*sourceNode*/ undefined, dontResolveAlias)) {
- // If there is an `__esModule` specified in the declaration (meaning someone explicitly added it or wrote it in their code),
- // it definitely is a module and does not have a synthetic default
- return false;
- }
- // There are _many_ declaration files not written with esmodules in mind that still get compiled into a format with __esModule set
- // Meaning there may be no default at runtime - however to be on the permissive side, we allow access to a synthetic default member
- // as there is no marker to indicate if the accompanying JS has `__esModule` or not, or is even native esm
- return true;
- }
- // TypeScript files never have a synthetic default (as they are always emitted with an __esModule marker) _unless_ they contain an export= statement
- if (!ts.isSourceFileJS(file)) {
- return hasExportAssignmentSymbol(moduleSymbol);
- }
- // JS files have a synthetic default if they do not contain ES2015+ module syntax (export = is not valid in js) _and_ do not have an __esModule marker
- return !file.externalModuleIndicator && !resolveExportByName(moduleSymbol, ts.escapeLeadingUnderscores("__esModule"), /*sourceNode*/ undefined, dontResolveAlias);
- }
- function getTargetOfImportClause(node, dontResolveAlias) {
- var moduleSymbol = resolveExternalModuleName(node, node.parent.moduleSpecifier);
- if (moduleSymbol) {
- var exportDefaultSymbol = void 0;
- if (ts.isShorthandAmbientModuleSymbol(moduleSymbol)) {
- exportDefaultSymbol = moduleSymbol;
- }
- else {
- exportDefaultSymbol = resolveExportByName(moduleSymbol, "default" /* Default */, node, dontResolveAlias);
- }
- var file = ts.find(moduleSymbol.declarations, ts.isSourceFile);
- var hasSyntheticDefault = canHaveSyntheticDefault(file, moduleSymbol, dontResolveAlias);
- if (!exportDefaultSymbol && !hasSyntheticDefault) {
- if (hasExportAssignmentSymbol(moduleSymbol)) {
- var compilerOptionName = moduleKind >= ts.ModuleKind.ES2015 ? "allowSyntheticDefaultImports" : "esModuleInterop";
- var exportEqualsSymbol = moduleSymbol.exports.get("export=" /* ExportEquals */);
- var exportAssignment = exportEqualsSymbol.valueDeclaration;
- var err = error(node.name, ts.Diagnostics.Module_0_can_only_be_default_imported_using_the_1_flag, symbolToString(moduleSymbol), compilerOptionName);
- ts.addRelatedInfo(err, ts.createDiagnosticForNode(exportAssignment, ts.Diagnostics.This_module_is_declared_with_using_export_and_can_only_be_used_with_a_default_import_when_using_the_0_flag, compilerOptionName));
- }
- else {
- reportNonDefaultExport(moduleSymbol, node);
- }
- }
- else if (hasSyntheticDefault) {
- // per emit behavior, a synthetic default overrides a "real" .default member if `__esModule` is not present
- var resolved = resolveExternalModuleSymbol(moduleSymbol, dontResolveAlias) || resolveSymbol(moduleSymbol, dontResolveAlias);
- markSymbolOfAliasDeclarationIfTypeOnly(node, moduleSymbol, resolved, /*overwriteTypeOnly*/ false);
- return resolved;
- }
- markSymbolOfAliasDeclarationIfTypeOnly(node, exportDefaultSymbol, /*finalTarget*/ undefined, /*overwriteTypeOnly*/ false);
- return exportDefaultSymbol;
- }
- }
- function reportNonDefaultExport(moduleSymbol, node) {
- var _a, _b;
- if ((_a = moduleSymbol.exports) === null || _a === void 0 ? void 0 : _a.has(node.symbol.escapedName)) {
- error(node.name, ts.Diagnostics.Module_0_has_no_default_export_Did_you_mean_to_use_import_1_from_0_instead, symbolToString(moduleSymbol), symbolToString(node.symbol));
- }
- else {
- var diagnostic = error(node.name, ts.Diagnostics.Module_0_has_no_default_export, symbolToString(moduleSymbol));
- var exportStar = (_b = moduleSymbol.exports) === null || _b === void 0 ? void 0 : _b.get("__export" /* ExportStar */);
- if (exportStar) {
- var defaultExport = ts.find(exportStar.declarations, function (decl) {
- var _a, _b;
- return !!(ts.isExportDeclaration(decl) && decl.moduleSpecifier && ((_b = (_a = resolveExternalModuleName(decl, decl.moduleSpecifier)) === null || _a === void 0 ? void 0 : _a.exports) === null || _b === void 0 ? void 0 : _b.has("default" /* Default */)));
- });
- if (defaultExport) {
- ts.addRelatedInfo(diagnostic, ts.createDiagnosticForNode(defaultExport, ts.Diagnostics.export_Asterisk_does_not_re_export_a_default));
- }
- }
- }
- }
- function getTargetOfNamespaceImport(node, dontResolveAlias) {
- var moduleSpecifier = node.parent.parent.moduleSpecifier;
- var immediate = resolveExternalModuleName(node, moduleSpecifier);
- var resolved = resolveESModuleSymbol(immediate, moduleSpecifier, dontResolveAlias, /*suppressUsageError*/ false);
- markSymbolOfAliasDeclarationIfTypeOnly(node, immediate, resolved, /*overwriteEmpty*/ false);
- return resolved;
- }
- function getTargetOfNamespaceExport(node, dontResolveAlias) {
- var moduleSpecifier = node.parent.moduleSpecifier;
- var immediate = moduleSpecifier && resolveExternalModuleName(node, moduleSpecifier);
- var resolved = moduleSpecifier && resolveESModuleSymbol(immediate, moduleSpecifier, dontResolveAlias, /*suppressUsageError*/ false);
- markSymbolOfAliasDeclarationIfTypeOnly(node, immediate, resolved, /*overwriteEmpty*/ false);
- return resolved;
- }
- // This function creates a synthetic symbol that combines the value side of one symbol with the
- // type/namespace side of another symbol. Consider this example:
- //
- // declare module graphics {
- // interface Point {
- // x: number;
- // y: number;
- // }
- // }
- // declare var graphics: {
- // Point: new (x: number, y: number) => graphics.Point;
- // }
- // declare module "graphics" {
- // export = graphics;
- // }
- //
- // An 'import { Point } from "graphics"' needs to create a symbol that combines the value side 'Point'
- // property with the type/namespace side interface 'Point'.
- function combineValueAndTypeSymbols(valueSymbol, typeSymbol) {
- if (valueSymbol === unknownSymbol && typeSymbol === unknownSymbol) {
- return unknownSymbol;
- }
- if (valueSymbol.flags & (788968 /* Type */ | 1920 /* Namespace */)) {
- return valueSymbol;
- }
- var result = createSymbol(valueSymbol.flags | typeSymbol.flags, valueSymbol.escapedName);
- result.declarations = ts.deduplicate(ts.concatenate(valueSymbol.declarations, typeSymbol.declarations), ts.equateValues);
- result.parent = valueSymbol.parent || typeSymbol.parent;
- if (valueSymbol.valueDeclaration)
- result.valueDeclaration = valueSymbol.valueDeclaration;
- if (typeSymbol.members)
- result.members = ts.cloneMap(typeSymbol.members);
- if (valueSymbol.exports)
- result.exports = ts.cloneMap(valueSymbol.exports);
- return result;
- }
- function getExportOfModule(symbol, specifier, dontResolveAlias) {
- var _a;
- if (symbol.flags & 1536 /* Module */) {
- var name = ((_a = specifier.propertyName) !== null && _a !== void 0 ? _a : specifier.name).escapedText;
- var exportSymbol = getExportsOfSymbol(symbol).get(name);
- var resolved = resolveSymbol(exportSymbol, dontResolveAlias);
- markSymbolOfAliasDeclarationIfTypeOnly(specifier, exportSymbol, resolved, /*overwriteEmpty*/ false);
- return resolved;
- }
- }
- function getPropertyOfVariable(symbol, name) {
- if (symbol.flags & 3 /* Variable */) {
- var typeAnnotation = symbol.valueDeclaration.type;
- if (typeAnnotation) {
- return resolveSymbol(getPropertyOfType(getTypeFromTypeNode(typeAnnotation), name));
- }
- }
- }
- function getExternalModuleMember(node, specifier, dontResolveAlias) {
- var _a;
- if (dontResolveAlias === void 0) { dontResolveAlias = false; }
- var moduleSymbol = resolveExternalModuleName(node, node.moduleSpecifier); // TODO: GH#18217
- var name = specifier.propertyName || specifier.name;
- var suppressInteropError = name.escapedText === "default" /* Default */ && !!(compilerOptions.allowSyntheticDefaultImports || compilerOptions.esModuleInterop);
- var targetSymbol = resolveESModuleSymbol(moduleSymbol, node.moduleSpecifier, dontResolveAlias, suppressInteropError);
- if (targetSymbol) {
- if (name.escapedText) {
- if (ts.isShorthandAmbientModuleSymbol(moduleSymbol)) {
- return moduleSymbol;
- }
- var symbolFromVariable = void 0;
- // First check if module was specified with "export=". If so, get the member from the resolved type
- if (moduleSymbol && moduleSymbol.exports && moduleSymbol.exports.get("export=" /* ExportEquals */)) {
- symbolFromVariable = getPropertyOfType(getTypeOfSymbol(targetSymbol), name.escapedText);
- }
- else {
- symbolFromVariable = getPropertyOfVariable(targetSymbol, name.escapedText);
- }
- // if symbolFromVariable is export - get its final target
- symbolFromVariable = resolveSymbol(symbolFromVariable, dontResolveAlias);
- var symbolFromModule = getExportOfModule(targetSymbol, specifier, dontResolveAlias);
- if (symbolFromModule === undefined && name.escapedText === "default" /* Default */) {
- var file = ts.find(moduleSymbol.declarations, ts.isSourceFile);
- if (canHaveSyntheticDefault(file, moduleSymbol, dontResolveAlias)) {
- symbolFromModule = resolveExternalModuleSymbol(moduleSymbol, dontResolveAlias) || resolveSymbol(moduleSymbol, dontResolveAlias);
- }
- }
- var symbol = symbolFromModule && symbolFromVariable && symbolFromModule !== symbolFromVariable ?
- combineValueAndTypeSymbols(symbolFromVariable, symbolFromModule) :
- symbolFromModule || symbolFromVariable;
- if (!symbol) {
- var moduleName = getFullyQualifiedName(moduleSymbol, node);
- var declarationName = ts.declarationNameToString(name);
- var suggestion = getSuggestedSymbolForNonexistentModule(name, targetSymbol);
- if (suggestion !== undefined) {
- var suggestionName = symbolToString(suggestion);
- var diagnostic = error(name, ts.Diagnostics.Module_0_has_no_exported_member_1_Did_you_mean_2, moduleName, declarationName, suggestionName);
- if (suggestion.valueDeclaration) {
- ts.addRelatedInfo(diagnostic, ts.createDiagnosticForNode(suggestion.valueDeclaration, ts.Diagnostics._0_is_declared_here, suggestionName));
- }
- }
- else {
- if ((_a = moduleSymbol.exports) === null || _a === void 0 ? void 0 : _a.has("default" /* Default */)) {
- error(name, ts.Diagnostics.Module_0_has_no_exported_member_1_Did_you_mean_to_use_import_1_from_0_instead, moduleName, declarationName);
- }
- else {
- reportNonExportedMember(node, name, declarationName, moduleSymbol, moduleName);
- }
- }
- }
- return symbol;
- }
- }
- }
- function reportNonExportedMember(node, name, declarationName, moduleSymbol, moduleName) {
- var _a;
- var localSymbol = (_a = moduleSymbol.valueDeclaration.locals) === null || _a === void 0 ? void 0 : _a.get(name.escapedText);
- var exports = moduleSymbol.exports;
- if (localSymbol) {
- var exportedEqualsSymbol = exports === null || exports === void 0 ? void 0 : exports.get("export=" /* ExportEquals */);
- if (exportedEqualsSymbol) {
- getSymbolIfSameReference(exportedEqualsSymbol, localSymbol) ? reportInvalidImportEqualsExportMember(node, name, declarationName, moduleName) :
- error(name, ts.Diagnostics.Module_0_has_no_exported_member_1, moduleName, declarationName);
- }
- else {
- var exportedSymbol = exports ? ts.find(symbolsToArray(exports), function (symbol) { return !!getSymbolIfSameReference(symbol, localSymbol); }) : undefined;
- var diagnostic = exportedSymbol ? error(name, ts.Diagnostics.Module_0_declares_1_locally_but_it_is_exported_as_2, moduleName, declarationName, symbolToString(exportedSymbol)) :
- error(name, ts.Diagnostics.Module_0_declares_1_locally_but_it_is_not_exported, moduleName, declarationName);
- ts.addRelatedInfo.apply(void 0, __spreadArrays([diagnostic], ts.map(localSymbol.declarations, function (decl, index) {
- return ts.createDiagnosticForNode(decl, index === 0 ? ts.Diagnostics._0_is_declared_here : ts.Diagnostics.and_here, declarationName);
- })));
- }
- }
- else {
- error(name, ts.Diagnostics.Module_0_has_no_exported_member_1, moduleName, declarationName);
- }
- }
- function reportInvalidImportEqualsExportMember(node, name, declarationName, moduleName) {
- if (moduleKind >= ts.ModuleKind.ES2015) {
- var message = compilerOptions.esModuleInterop ? ts.Diagnostics._0_can_only_be_imported_by_using_a_default_import :
- ts.Diagnostics._0_can_only_be_imported_by_turning_on_the_esModuleInterop_flag_and_using_a_default_import;
- error(name, message, declarationName);
- }
- else {
- if (ts.isInJSFile(node)) {
- var message = compilerOptions.esModuleInterop ? ts.Diagnostics._0_can_only_be_imported_by_using_a_require_call_or_by_using_a_default_import :
- ts.Diagnostics._0_can_only_be_imported_by_using_a_require_call_or_by_turning_on_the_esModuleInterop_flag_and_using_a_default_import;
- error(name, message, declarationName);
- }
- else {
- var message = compilerOptions.esModuleInterop ? ts.Diagnostics._0_can_only_be_imported_by_using_import_1_require_2_or_a_default_import :
- ts.Diagnostics._0_can_only_be_imported_by_using_import_1_require_2_or_by_turning_on_the_esModuleInterop_flag_and_using_a_default_import;
- error(name, message, declarationName, declarationName, moduleName);
- }
- }
- }
- function getTargetOfImportSpecifier(node, dontResolveAlias) {
- var resolved = getExternalModuleMember(node.parent.parent.parent, node, dontResolveAlias);
- markSymbolOfAliasDeclarationIfTypeOnly(node, /*immediateTarget*/ undefined, resolved, /*overwriteEmpty*/ false);
- return resolved;
- }
- function getTargetOfNamespaceExportDeclaration(node, dontResolveAlias) {
- var resolved = resolveExternalModuleSymbol(node.parent.symbol, dontResolveAlias);
- markSymbolOfAliasDeclarationIfTypeOnly(node, /*immediateTarget*/ undefined, resolved, /*overwriteEmpty*/ false);
- return resolved;
- }
- function getTargetOfExportSpecifier(node, meaning, dontResolveAlias) {
- var resolved = node.parent.parent.moduleSpecifier ?
- getExternalModuleMember(node.parent.parent, node, dontResolveAlias) :
- resolveEntityName(node.propertyName || node.name, meaning, /*ignoreErrors*/ false, dontResolveAlias);
- markSymbolOfAliasDeclarationIfTypeOnly(node, /*immediateTarget*/ undefined, resolved, /*overwriteEmpty*/ false);
- return resolved;
- }
- function getTargetOfExportAssignment(node, dontResolveAlias) {
- var expression = ts.isExportAssignment(node) ? node.expression : node.right;
- var resolved = getTargetOfAliasLikeExpression(expression, dontResolveAlias);
- markSymbolOfAliasDeclarationIfTypeOnly(node, /*immediateTarget*/ undefined, resolved, /*overwriteEmpty*/ false);
- return resolved;
- }
- function getTargetOfAliasLikeExpression(expression, dontResolveAlias) {
- if (ts.isClassExpression(expression)) {
- return checkExpressionCached(expression).symbol;
- }
- if (!ts.isEntityName(expression) && !ts.isEntityNameExpression(expression)) {
- return undefined;
- }
- var aliasLike = resolveEntityName(expression, 111551 /* Value */ | 788968 /* Type */ | 1920 /* Namespace */, /*ignoreErrors*/ true, dontResolveAlias);
- if (aliasLike) {
- return aliasLike;
- }
- checkExpressionCached(expression);
- return getNodeLinks(expression).resolvedSymbol;
- }
- function getTargetOfPropertyAssignment(node, dontRecursivelyResolve) {
- var expression = node.initializer;
- return getTargetOfAliasLikeExpression(expression, dontRecursivelyResolve);
- }
- function getTargetOfPropertyAccessExpression(node, dontRecursivelyResolve) {
- if (!(ts.isBinaryExpression(node.parent) && node.parent.left === node && node.parent.operatorToken.kind === 62 /* EqualsToken */)) {
- return undefined;
- }
- return getTargetOfAliasLikeExpression(node.parent.right, dontRecursivelyResolve);
- }
- function getTargetOfAliasDeclaration(node, dontRecursivelyResolve) {
- if (dontRecursivelyResolve === void 0) { dontRecursivelyResolve = false; }
- switch (node.kind) {
- case 253 /* ImportEqualsDeclaration */:
- return getTargetOfImportEqualsDeclaration(node, dontRecursivelyResolve);
- case 255 /* ImportClause */:
- return getTargetOfImportClause(node, dontRecursivelyResolve);
- case 256 /* NamespaceImport */:
- return getTargetOfNamespaceImport(node, dontRecursivelyResolve);
- case 262 /* NamespaceExport */:
- return getTargetOfNamespaceExport(node, dontRecursivelyResolve);
- case 258 /* ImportSpecifier */:
- return getTargetOfImportSpecifier(node, dontRecursivelyResolve);
- case 263 /* ExportSpecifier */:
- return getTargetOfExportSpecifier(node, 111551 /* Value */ | 788968 /* Type */ | 1920 /* Namespace */, dontRecursivelyResolve);
- case 259 /* ExportAssignment */:
- case 209 /* BinaryExpression */:
- return getTargetOfExportAssignment(node, dontRecursivelyResolve);
- case 252 /* NamespaceExportDeclaration */:
- return getTargetOfNamespaceExportDeclaration(node, dontRecursivelyResolve);
- case 282 /* ShorthandPropertyAssignment */:
- return resolveEntityName(node.name, 111551 /* Value */ | 788968 /* Type */ | 1920 /* Namespace */, /*ignoreErrors*/ true, dontRecursivelyResolve);
- case 281 /* PropertyAssignment */:
- return getTargetOfPropertyAssignment(node, dontRecursivelyResolve);
- case 194 /* PropertyAccessExpression */:
- return getTargetOfPropertyAccessExpression(node, dontRecursivelyResolve);
- default:
- return ts.Debug.fail();
- }
- }
- /**
- * Indicates that a symbol is an alias that does not merge with a local declaration.
- * OR Is a JSContainer which may merge an alias with a local declaration
- */
- function isNonLocalAlias(symbol, excludes) {
- if (excludes === void 0) { excludes = 111551 /* Value */ | 788968 /* Type */ | 1920 /* Namespace */; }
- if (!symbol)
- return false;
- return (symbol.flags & (2097152 /* Alias */ | excludes)) === 2097152 /* Alias */ || !!(symbol.flags & 2097152 /* Alias */ && symbol.flags & 67108864 /* Assignment */);
- }
- function resolveSymbol(symbol, dontResolveAlias) {
- return !dontResolveAlias && isNonLocalAlias(symbol) ? resolveAlias(symbol) : symbol;
- }
- function resolveAlias(symbol) {
- ts.Debug.assert((symbol.flags & 2097152 /* Alias */) !== 0, "Should only get Alias here.");
- var links = getSymbolLinks(symbol);
- if (!links.target) {
- links.target = resolvingSymbol;
- var node = getDeclarationOfAliasSymbol(symbol);
- if (!node)
- return ts.Debug.fail();
- var target = getTargetOfAliasDeclaration(node);
- if (links.target === resolvingSymbol) {
- links.target = target || unknownSymbol;
- }
- else {
- error(node, ts.Diagnostics.Circular_definition_of_import_alias_0, symbolToString(symbol));
- }
- }
- else if (links.target === resolvingSymbol) {
- links.target = unknownSymbol;
- }
- return links.target;
- }
- function tryResolveAlias(symbol) {
- var links = getSymbolLinks(symbol);
- if (links.target !== resolvingSymbol) {
- return resolveAlias(symbol);
- }
- return undefined;
- }
- /**
- * Marks a symbol as type-only if its declaration is syntactically type-only.
- * If it is not itself marked type-only, but resolves to a type-only alias
- * somewhere in its resolution chain, save a reference to the type-only alias declaration
- * so the alias _not_ marked type-only can be identified as _transitively_ type-only.
- *
- * This function is called on each alias declaration that could be type-only or resolve to
- * another type-only alias during `resolveAlias`, so that later, when an alias is used in a
- * JS-emitting expression, we can quickly determine if that symbol is effectively type-only
- * and issue an error if so.
- *
- * @param aliasDeclaration The alias declaration not marked as type-only
- * has already been marked as not resolving to a type-only alias. Used when recursively resolving qualified
- * names of import aliases, e.g. `import C = a.b.C`. If namespace `a` is not found to be type-only, the
- * import declaration will initially be marked as not resolving to a type-only symbol. But, namespace `b`
- * must still be checked for a type-only marker, overwriting the previous negative result if found.
- * @param immediateTarget The symbol to which the alias declaration immediately resolves
- * @param finalTarget The symbol to which the alias declaration ultimately resolves
- * @param overwriteEmpty Checks `resolvesToSymbol` for type-only declarations even if `aliasDeclaration`
- */
- function markSymbolOfAliasDeclarationIfTypeOnly(aliasDeclaration, immediateTarget, finalTarget, overwriteEmpty) {
- if (!aliasDeclaration)
- return false;
- // If the declaration itself is type-only, mark it and return.
- // No need to check what it resolves to.
- var sourceSymbol = getSymbolOfNode(aliasDeclaration);
- if (ts.isTypeOnlyImportOrExportDeclaration(aliasDeclaration)) {
- var links_1 = getSymbolLinks(sourceSymbol);
- links_1.typeOnlyDeclaration = aliasDeclaration;
- return true;
- }
- var links = getSymbolLinks(sourceSymbol);
- return markSymbolOfAliasDeclarationIfTypeOnlyWorker(links, immediateTarget, overwriteEmpty)
- || markSymbolOfAliasDeclarationIfTypeOnlyWorker(links, finalTarget, overwriteEmpty);
- }
- function markSymbolOfAliasDeclarationIfTypeOnlyWorker(aliasDeclarationLinks, target, overwriteEmpty) {
- var _a, _b, _c;
- if (target && (aliasDeclarationLinks.typeOnlyDeclaration === undefined || overwriteEmpty && aliasDeclarationLinks.typeOnlyDeclaration === false)) {
- var exportSymbol = (_b = (_a = target.exports) === null || _a === void 0 ? void 0 : _a.get("export=" /* ExportEquals */)) !== null && _b !== void 0 ? _b : target;
- var typeOnly = exportSymbol.declarations && ts.find(exportSymbol.declarations, ts.isTypeOnlyImportOrExportDeclaration);
- aliasDeclarationLinks.typeOnlyDeclaration = (_c = typeOnly !== null && typeOnly !== void 0 ? typeOnly : getSymbolLinks(exportSymbol).typeOnlyDeclaration) !== null && _c !== void 0 ? _c : false;
- }
- return !!aliasDeclarationLinks.typeOnlyDeclaration;
- }
- /** Indicates that a symbol directly or indirectly resolves to a type-only import or export. */
- function getTypeOnlyAliasDeclaration(symbol) {
- if (!(symbol.flags & 2097152 /* Alias */)) {
- return undefined;
- }
- var links = getSymbolLinks(symbol);
- return links.typeOnlyDeclaration || undefined;
- }
- function markExportAsReferenced(node) {
- var symbol = getSymbolOfNode(node);
- var target = resolveAlias(symbol);
- if (target) {
- var markAlias = target === unknownSymbol ||
- ((target.flags & 111551 /* Value */) && !isConstEnumOrConstEnumOnlyModule(target) && !getTypeOnlyAliasDeclaration(symbol));
- if (markAlias) {
- markAliasSymbolAsReferenced(symbol);
- }
- }
- }
- // When an alias symbol is referenced, we need to mark the entity it references as referenced and in turn repeat that until
- // we reach a non-alias or an exported entity (which is always considered referenced). We do this by checking the target of
- // the alias as an expression (which recursively takes us back here if the target references another alias).
- function markAliasSymbolAsReferenced(symbol) {
- var links = getSymbolLinks(symbol);
- if (!links.referenced) {
- links.referenced = true;
- var node = getDeclarationOfAliasSymbol(symbol);
- if (!node)
- return ts.Debug.fail();
- // We defer checking of the reference of an `import =` until the import itself is referenced,
- // This way a chain of imports can be elided if ultimately the final input is only used in a type
- // position.
- if (ts.isInternalModuleImportEqualsDeclaration(node)) {
- var target = resolveSymbol(symbol);
- if (target === unknownSymbol || target.flags & 111551 /* Value */) {
- // import foo = <symbol>
- checkExpressionCached(node.moduleReference);
- }
- }
- }
- }
- // Aliases that resolve to const enums are not marked as referenced because they are not emitted,
- // but their usage in value positions must be tracked to determine if the import can be type-only.
- function markConstEnumAliasAsReferenced(symbol) {
- var links = getSymbolLinks(symbol);
- if (!links.constEnumReferenced) {
- links.constEnumReferenced = true;
- }
- }
- // This function is only for imports with entity names
- function getSymbolOfPartOfRightHandSideOfImportEquals(entityName, dontResolveAlias) {
- // There are three things we might try to look for. In the following examples,
- // the search term is enclosed in |...|:
- //
- // import a = |b|; // Namespace
- // import a = |b.c|; // Value, type, namespace
- // import a = |b.c|.d; // Namespace
- if (entityName.kind === 75 /* Identifier */ && ts.isRightSideOfQualifiedNameOrPropertyAccess(entityName)) {
- entityName = entityName.parent;
- }
- // Check for case 1 and 3 in the above example
- if (entityName.kind === 75 /* Identifier */ || entityName.parent.kind === 153 /* QualifiedName */) {
- return resolveEntityName(entityName, 1920 /* Namespace */, /*ignoreErrors*/ false, dontResolveAlias);
- }
- else {
- // Case 2 in above example
- // entityName.kind could be a QualifiedName or a Missing identifier
- ts.Debug.assert(entityName.parent.kind === 253 /* ImportEqualsDeclaration */);
- return resolveEntityName(entityName, 111551 /* Value */ | 788968 /* Type */ | 1920 /* Namespace */, /*ignoreErrors*/ false, dontResolveAlias);
- }
- }
- function getFullyQualifiedName(symbol, containingLocation) {
- return symbol.parent ? getFullyQualifiedName(symbol.parent, containingLocation) + "." + symbolToString(symbol) : symbolToString(symbol, containingLocation, /*meaning*/ undefined, 16 /* DoNotIncludeSymbolChain */ | 4 /* AllowAnyNodeKind */);
- }
- /**
- * Resolves a qualified name and any involved aliases.
- */
- function resolveEntityName(name, meaning, ignoreErrors, dontResolveAlias, location) {
- if (ts.nodeIsMissing(name)) {
- return undefined;
- }
- var namespaceMeaning = 1920 /* Namespace */ | (ts.isInJSFile(name) ? meaning & 111551 /* Value */ : 0);
- var symbol;
- if (name.kind === 75 /* Identifier */) {
- var message = meaning === namespaceMeaning || ts.nodeIsSynthesized(name) ? ts.Diagnostics.Cannot_find_namespace_0 : getCannotFindNameDiagnosticForName(ts.getFirstIdentifier(name));
- var symbolFromJSPrototype = ts.isInJSFile(name) && !ts.nodeIsSynthesized(name) ? resolveEntityNameFromAssignmentDeclaration(name, meaning) : undefined;
- symbol = getMergedSymbol(resolveName(location || name, name.escapedText, meaning, ignoreErrors || symbolFromJSPrototype ? undefined : message, name, /*isUse*/ true));
- if (!symbol) {
- return getMergedSymbol(symbolFromJSPrototype);
- }
- }
- else if (name.kind === 153 /* QualifiedName */ || name.kind === 194 /* PropertyAccessExpression */) {
- var left = name.kind === 153 /* QualifiedName */ ? name.left : name.expression;
- var right = name.kind === 153 /* QualifiedName */ ? name.right : name.name;
- var namespace = resolveEntityName(left, namespaceMeaning, ignoreErrors, /*dontResolveAlias*/ false, location);
- if (!namespace || ts.nodeIsMissing(right)) {
- return undefined;
- }
- else if (namespace === unknownSymbol) {
- return namespace;
- }
- if (ts.isInJSFile(name)) {
- if (namespace.valueDeclaration &&
- ts.isVariableDeclaration(namespace.valueDeclaration) &&
- namespace.valueDeclaration.initializer &&
- isCommonJsRequire(namespace.valueDeclaration.initializer)) {
- var moduleName = namespace.valueDeclaration.initializer.arguments[0];
- var moduleSym = resolveExternalModuleName(moduleName, moduleName);
- if (moduleSym) {
- var resolvedModuleSymbol = resolveExternalModuleSymbol(moduleSym);
- if (resolvedModuleSymbol) {
- namespace = resolvedModuleSymbol;
- }
- }
- }
- }
- symbol = getMergedSymbol(getSymbol(getExportsOfSymbol(namespace), right.escapedText, meaning));
- if (!symbol) {
- if (!ignoreErrors) {
- error(right, ts.Diagnostics.Namespace_0_has_no_exported_member_1, getFullyQualifiedName(namespace), ts.declarationNameToString(right));
- }
- return undefined;
- }
- }
- else {
- throw ts.Debug.assertNever(name, "Unknown entity name kind.");
- }
- ts.Debug.assert((ts.getCheckFlags(symbol) & 1 /* Instantiated */) === 0, "Should never get an instantiated symbol here.");
- if (!ts.nodeIsSynthesized(name) && ts.isEntityName(name) && (symbol.flags & 2097152 /* Alias */ || name.parent.kind === 259 /* ExportAssignment */)) {
- markSymbolOfAliasDeclarationIfTypeOnly(ts.getAliasDeclarationFromName(name), symbol, /*finalTarget*/ undefined, /*overwriteEmpty*/ true);
- }
- return (symbol.flags & meaning) || dontResolveAlias ? symbol : resolveAlias(symbol);
- }
- /**
- * 1. For prototype-property methods like `A.prototype.m = function () ...`, try to resolve names in the scope of `A` too.
- * Note that prototype-property assignment to locations outside the current file (eg globals) doesn't work, so
- * name resolution won't work either.
- * 2. For property assignments like `{ x: function f () { } }`, try to resolve names in the scope of `f` too.
- */
- function resolveEntityNameFromAssignmentDeclaration(name, meaning) {
- if (isJSDocTypeReference(name.parent)) {
- var secondaryLocation = getAssignmentDeclarationLocation(name.parent);
- if (secondaryLocation) {
- return resolveName(secondaryLocation, name.escapedText, meaning, /*nameNotFoundMessage*/ undefined, name, /*isUse*/ true);
- }
- }
- }
- function getAssignmentDeclarationLocation(node) {
- var typeAlias = ts.findAncestor(node, function (node) { return !(ts.isJSDocNode(node) || node.flags & 4194304 /* JSDoc */) ? "quit" : ts.isJSDocTypeAlias(node); });
- if (typeAlias) {
- return;
- }
- var host = ts.getJSDocHost(node);
- if (ts.isExpressionStatement(host) &&
- ts.isBinaryExpression(host.expression) &&
- ts.getAssignmentDeclarationKind(host.expression) === 3 /* PrototypeProperty */) {
- // X.prototype.m = /** @param {K} p */ function () { } <-- look for K on X's declaration
- var symbol = getSymbolOfNode(host.expression.left);
- if (symbol) {
- return getDeclarationOfJSPrototypeContainer(symbol);
- }
- }
- if ((ts.isObjectLiteralMethod(host) || ts.isPropertyAssignment(host)) &&
- ts.isBinaryExpression(host.parent.parent) &&
- ts.getAssignmentDeclarationKind(host.parent.parent) === 6 /* Prototype */) {
- // X.prototype = { /** @param {K} p */m() { } } <-- look for K on X's declaration
- var symbol = getSymbolOfNode(host.parent.parent.left);
- if (symbol) {
- return getDeclarationOfJSPrototypeContainer(symbol);
- }
- }
- var sig = ts.getEffectiveJSDocHost(node);
- if (sig && ts.isFunctionLike(sig)) {
- var symbol = getSymbolOfNode(sig);
- return symbol && symbol.valueDeclaration;
- }
- }
- function getDeclarationOfJSPrototypeContainer(symbol) {
- var decl = symbol.parent.valueDeclaration;
- if (!decl) {
- return undefined;
- }
- var initializer = ts.isAssignmentDeclaration(decl) ? ts.getAssignedExpandoInitializer(decl) :
- ts.hasOnlyExpressionInitializer(decl) ? ts.getDeclaredExpandoInitializer(decl) :
- undefined;
- return initializer || decl;
- }
- /**
- * Get the real symbol of a declaration with an expando initializer.
- *
- * Normally, declarations have an associated symbol, but when a declaration has an expando
- * initializer, the expando's symbol is the one that has all the members merged into it.
- */
- function getExpandoSymbol(symbol) {
- var decl = symbol.valueDeclaration;
- if (!decl || !ts.isInJSFile(decl) || symbol.flags & 524288 /* TypeAlias */ || ts.getExpandoInitializer(decl, /*isPrototypeAssignment*/ false)) {
- return undefined;
- }
- var init = ts.isVariableDeclaration(decl) ? ts.getDeclaredExpandoInitializer(decl) : ts.getAssignedExpandoInitializer(decl);
- if (init) {
- var initSymbol = getSymbolOfNode(init);
- if (initSymbol) {
- return mergeJSSymbols(initSymbol, symbol);
- }
- }
- }
- function resolveExternalModuleName(location, moduleReferenceExpression, ignoreErrors) {
- return resolveExternalModuleNameWorker(location, moduleReferenceExpression, ignoreErrors ? undefined : ts.Diagnostics.Cannot_find_module_0_or_its_corresponding_type_declarations);
- }
- function resolveExternalModuleNameWorker(location, moduleReferenceExpression, moduleNotFoundError, isForAugmentation) {
- if (isForAugmentation === void 0) { isForAugmentation = false; }
- return ts.isStringLiteralLike(moduleReferenceExpression)
- ? resolveExternalModule(location, moduleReferenceExpression.text, moduleNotFoundError, moduleReferenceExpression, isForAugmentation)
- : undefined;
- }
- function resolveExternalModule(location, moduleReference, moduleNotFoundError, errorNode, isForAugmentation) {
- if (isForAugmentation === void 0) { isForAugmentation = false; }
- if (ts.startsWith(moduleReference, "@types/")) {
- var diag = ts.Diagnostics.Cannot_import_type_declaration_files_Consider_importing_0_instead_of_1;
- var withoutAtTypePrefix = ts.removePrefix(moduleReference, "@types/");
- error(errorNode, diag, withoutAtTypePrefix, moduleReference);
- }
- var ambientModule = tryFindAmbientModule(moduleReference, /*withAugmentations*/ true);
- if (ambientModule) {
- return ambientModule;
- }
- var currentSourceFile = ts.getSourceFileOfNode(location);
- var resolvedModule = ts.getResolvedModule(currentSourceFile, moduleReference); // TODO: GH#18217
- var resolutionDiagnostic = resolvedModule && ts.getResolutionDiagnostic(compilerOptions, resolvedModule);
- var sourceFile = resolvedModule && !resolutionDiagnostic && host.getSourceFile(resolvedModule.resolvedFileName);
- if (sourceFile) {
- if (sourceFile.symbol) {
- if (resolvedModule.isExternalLibraryImport && !ts.resolutionExtensionIsTSOrJson(resolvedModule.extension)) {
- errorOnImplicitAnyModule(/*isError*/ false, errorNode, resolvedModule, moduleReference);
- }
- // merged symbol is module declaration symbol combined with all augmentations
- return getMergedSymbol(sourceFile.symbol);
- }
- if (moduleNotFoundError) {
- // report errors only if it was requested
- error(errorNode, ts.Diagnostics.File_0_is_not_a_module, sourceFile.fileName);
- }
- return undefined;
- }
- if (patternAmbientModules) {
- var pattern = ts.findBestPatternMatch(patternAmbientModules, function (_) { return _.pattern; }, moduleReference);
- if (pattern) {
- // If the module reference matched a pattern ambient module ('*.foo') but there's also a
- // module augmentation by the specific name requested ('a.foo'), we store the merged symbol
- // by the augmentation name ('a.foo'), because asking for *.foo should not give you exports
- // from a.foo.
- var augmentation = patternAmbientModuleAugmentations && patternAmbientModuleAugmentations.get(moduleReference);
- if (augmentation) {
- return getMergedSymbol(augmentation);
- }
- return getMergedSymbol(pattern.symbol);
- }
- }
- // May be an untyped module. If so, ignore resolutionDiagnostic.
- if (resolvedModule && !ts.resolutionExtensionIsTSOrJson(resolvedModule.extension) && resolutionDiagnostic === undefined || resolutionDiagnostic === ts.Diagnostics.Could_not_find_a_declaration_file_for_module_0_1_implicitly_has_an_any_type) {
- if (isForAugmentation) {
- var diag = ts.Diagnostics.Invalid_module_name_in_augmentation_Module_0_resolves_to_an_untyped_module_at_1_which_cannot_be_augmented;
- error(errorNode, diag, moduleReference, resolvedModule.resolvedFileName);
- }
- else {
- errorOnImplicitAnyModule(/*isError*/ noImplicitAny && !!moduleNotFoundError, errorNode, resolvedModule, moduleReference);
- }
- // Failed imports and untyped modules are both treated in an untyped manner; only difference is whether we give a diagnostic first.
- return undefined;
- }
- if (moduleNotFoundError) {
- // See if this was possibly a projectReference redirect
- if (resolvedModule) {
- var redirect = host.getProjectReferenceRedirect(resolvedModule.resolvedFileName);
- if (redirect) {
- error(errorNode, ts.Diagnostics.Output_file_0_has_not_been_built_from_source_file_1, redirect, resolvedModule.resolvedFileName);
- return undefined;
- }
- }
- if (resolutionDiagnostic) {
- error(errorNode, resolutionDiagnostic, moduleReference, resolvedModule.resolvedFileName);
- }
- else {
- var tsExtension = ts.tryExtractTSExtension(moduleReference);
- if (tsExtension) {
- var diag = ts.Diagnostics.An_import_path_cannot_end_with_a_0_extension_Consider_importing_1_instead;
- error(errorNode, diag, tsExtension, ts.removeExtension(moduleReference, tsExtension));
- }
- else if (!compilerOptions.resolveJsonModule &&
- ts.fileExtensionIs(moduleReference, ".json" /* Json */) &&
- ts.getEmitModuleResolutionKind(compilerOptions) === ts.ModuleResolutionKind.NodeJs &&
- ts.hasJsonModuleEmitEnabled(compilerOptions)) {
- error(errorNode, ts.Diagnostics.Cannot_find_module_0_Consider_using_resolveJsonModule_to_import_module_with_json_extension, moduleReference);
- }
- else {
- error(errorNode, moduleNotFoundError, moduleReference);
- }
- }
- }
- return undefined;
- }
- function errorOnImplicitAnyModule(isError, errorNode, _a, moduleReference) {
- var packageId = _a.packageId, resolvedFileName = _a.resolvedFileName;
- var errorInfo = !ts.isExternalModuleNameRelative(moduleReference) && packageId
- ? typesPackageExists(packageId.name)
- ? ts.chainDiagnosticMessages(
- /*details*/ undefined, ts.Diagnostics.If_the_0_package_actually_exposes_this_module_consider_sending_a_pull_request_to_amend_https_Colon_Slash_Slashgithub_com_SlashDefinitelyTyped_SlashDefinitelyTyped_Slashtree_Slashmaster_Slashtypes_Slash_1, packageId.name, ts.mangleScopedPackageName(packageId.name))
- : ts.chainDiagnosticMessages(
- /*details*/ undefined, ts.Diagnostics.Try_npm_install_types_Slash_1_if_it_exists_or_add_a_new_declaration_d_ts_file_containing_declare_module_0, moduleReference, ts.mangleScopedPackageName(packageId.name))
- : undefined;
- errorOrSuggestion(isError, errorNode, ts.chainDiagnosticMessages(errorInfo, ts.Diagnostics.Could_not_find_a_declaration_file_for_module_0_1_implicitly_has_an_any_type, moduleReference, resolvedFileName));
- }
- function typesPackageExists(packageName) {
- return getPackagesSet().has(ts.getTypesPackageName(packageName));
- }
- function resolveExternalModuleSymbol(moduleSymbol, dontResolveAlias) {
- if (moduleSymbol === null || moduleSymbol === void 0 ? void 0 : moduleSymbol.exports) {
- var exportEquals = resolveSymbol(moduleSymbol.exports.get("export=" /* ExportEquals */), dontResolveAlias);
- var exported = getCommonJsExportEquals(getMergedSymbol(exportEquals), getMergedSymbol(moduleSymbol));
- return getMergedSymbol(exported) || moduleSymbol;
- }
- return undefined;
- }
- function getCommonJsExportEquals(exported, moduleSymbol) {
- if (!exported || exported === unknownSymbol || exported === moduleSymbol || moduleSymbol.exports.size === 1 || exported.flags & 2097152 /* Alias */) {
- return exported;
- }
- var links = getSymbolLinks(exported);
- if (links.cjsExportMerged) {
- return links.cjsExportMerged;
- }
- var merged = exported.flags & 33554432 /* Transient */ ? exported : cloneSymbol(exported);
- merged.flags = merged.flags | 512 /* ValueModule */;
- if (merged.exports === undefined) {
- merged.exports = ts.createSymbolTable();
- }
- moduleSymbol.exports.forEach(function (s, name) {
- if (name === "export=" /* ExportEquals */)
- return;
- merged.exports.set(name, merged.exports.has(name) ? mergeSymbol(merged.exports.get(name), s) : s);
- });
- getSymbolLinks(merged).cjsExportMerged = merged;
- return links.cjsExportMerged = merged;
- }
- // An external module with an 'export =' declaration may be referenced as an ES6 module provided the 'export ='
- // references a symbol that is at least declared as a module or a variable. The target of the 'export =' may
- // combine other declarations with the module or variable (e.g. a class/module, function/module, interface/variable).
- function resolveESModuleSymbol(moduleSymbol, referencingLocation, dontResolveAlias, suppressInteropError) {
- var symbol = resolveExternalModuleSymbol(moduleSymbol, dontResolveAlias);
- if (!dontResolveAlias && symbol) {
- if (!suppressInteropError && !(symbol.flags & (1536 /* Module */ | 3 /* Variable */)) && !ts.getDeclarationOfKind(symbol, 290 /* SourceFile */)) {
- var compilerOptionName = moduleKind >= ts.ModuleKind.ES2015
- ? "allowSyntheticDefaultImports"
- : "esModuleInterop";
- error(referencingLocation, ts.Diagnostics.This_module_can_only_be_referenced_with_ECMAScript_imports_Slashexports_by_turning_on_the_0_flag_and_referencing_its_default_export, compilerOptionName);
- return symbol;
- }
- if (compilerOptions.esModuleInterop) {
- var referenceParent = referencingLocation.parent;
- if ((ts.isImportDeclaration(referenceParent) && ts.getNamespaceDeclarationNode(referenceParent)) ||
- ts.isImportCall(referenceParent)) {
- var type = getTypeOfSymbol(symbol);
- var sigs = getSignaturesOfStructuredType(type, 0 /* Call */);
- if (!sigs || !sigs.length) {
- sigs = getSignaturesOfStructuredType(type, 1 /* Construct */);
- }
- if (sigs && sigs.length) {
- var moduleType = getTypeWithSyntheticDefaultImportType(type, symbol, moduleSymbol);
- // Create a new symbol which has the module's type less the call and construct signatures
- var result = createSymbol(symbol.flags, symbol.escapedName);
- result.declarations = symbol.declarations ? symbol.declarations.slice() : [];
- result.parent = symbol.parent;
- result.target = symbol;
- result.originatingImport = referenceParent;
- if (symbol.valueDeclaration)
- result.valueDeclaration = symbol.valueDeclaration;
- if (symbol.constEnumOnlyModule)
- result.constEnumOnlyModule = true;
- if (symbol.members)
- result.members = ts.cloneMap(symbol.members);
- if (symbol.exports)
- result.exports = ts.cloneMap(symbol.exports);
- var resolvedModuleType = resolveStructuredTypeMembers(moduleType); // Should already be resolved from the signature checks above
- result.type = createAnonymousType(result, resolvedModuleType.members, ts.emptyArray, ts.emptyArray, resolvedModuleType.stringIndexInfo, resolvedModuleType.numberIndexInfo);
- return result;
- }
- }
- }
- }
- return symbol;
- }
- function hasExportAssignmentSymbol(moduleSymbol) {
- return moduleSymbol.exports.get("export=" /* ExportEquals */) !== undefined;
- }
- function getExportsOfModuleAsArray(moduleSymbol) {
- return symbolsToArray(getExportsOfModule(moduleSymbol));
- }
- function getExportsAndPropertiesOfModule(moduleSymbol) {
- var exports = getExportsOfModuleAsArray(moduleSymbol);
- var exportEquals = resolveExternalModuleSymbol(moduleSymbol);
- if (exportEquals !== moduleSymbol) {
- ts.addRange(exports, getPropertiesOfType(getTypeOfSymbol(exportEquals)));
- }
- return exports;
- }
- function tryGetMemberInModuleExports(memberName, moduleSymbol) {
- var symbolTable = getExportsOfModule(moduleSymbol);
- if (symbolTable) {
- return symbolTable.get(memberName);
- }
- }
- function tryGetMemberInModuleExportsAndProperties(memberName, moduleSymbol) {
- var symbol = tryGetMemberInModuleExports(memberName, moduleSymbol);
- if (symbol) {
- return symbol;
- }
- var exportEquals = resolveExternalModuleSymbol(moduleSymbol);
- if (exportEquals === moduleSymbol) {
- return undefined;
- }
- var type = getTypeOfSymbol(exportEquals);
- return type.flags & 131068 /* Primitive */ ||
- ts.getObjectFlags(type) & 1 /* Class */ ||
- isArrayOrTupleLikeType(type)
- ? undefined
- : getPropertyOfType(type, memberName);
- }
- function getExportsOfSymbol(symbol) {
- return symbol.flags & 6256 /* LateBindingContainer */ ? getResolvedMembersOrExportsOfSymbol(symbol, "resolvedExports" /* resolvedExports */) :
- symbol.flags & 1536 /* Module */ ? getExportsOfModule(symbol) :
- symbol.exports || emptySymbols;
- }
- function getExportsOfModule(moduleSymbol) {
- var links = getSymbolLinks(moduleSymbol);
- return links.resolvedExports || (links.resolvedExports = getExportsOfModuleWorker(moduleSymbol));
- }
- /**
- * Extends one symbol table with another while collecting information on name collisions for error message generation into the `lookupTable` argument
- * Not passing `lookupTable` and `exportNode` disables this collection, and just extends the tables
- */
- function extendExportSymbols(target, source, lookupTable, exportNode) {
- if (!source)
- return;
- source.forEach(function (sourceSymbol, id) {
- if (id === "default" /* Default */)
- return;
- var targetSymbol = target.get(id);
- if (!targetSymbol) {
- target.set(id, sourceSymbol);
- if (lookupTable && exportNode) {
- lookupTable.set(id, {
- specifierText: ts.getTextOfNode(exportNode.moduleSpecifier)
- });
- }
- }
- else if (lookupTable && exportNode && targetSymbol && resolveSymbol(targetSymbol) !== resolveSymbol(sourceSymbol)) {
- var collisionTracker = lookupTable.get(id);
- if (!collisionTracker.exportsWithDuplicate) {
- collisionTracker.exportsWithDuplicate = [exportNode];
- }
- else {
- collisionTracker.exportsWithDuplicate.push(exportNode);
- }
- }
- });
- }
- function getExportsOfModuleWorker(moduleSymbol) {
- var visitedSymbols = [];
- // A module defined by an 'export=' consists of one export that needs to be resolved
- moduleSymbol = resolveExternalModuleSymbol(moduleSymbol);
- return visit(moduleSymbol) || emptySymbols;
- // The ES6 spec permits export * declarations in a module to circularly reference the module itself. For example,
- // module 'a' can 'export * from "b"' and 'b' can 'export * from "a"' without error.
- function visit(symbol) {
- if (!(symbol && symbol.exports && ts.pushIfUnique(visitedSymbols, symbol))) {
- return;
- }
- var symbols = ts.cloneMap(symbol.exports);
- // All export * declarations are collected in an __export symbol by the binder
- var exportStars = symbol.exports.get("__export" /* ExportStar */);
- if (exportStars) {
- var nestedSymbols = ts.createSymbolTable();
- var lookupTable_1 = ts.createMap();
- for (var _i = 0, _a = exportStars.declarations; _i < _a.length; _i++) {
- var node = _a[_i];
- var resolvedModule = resolveExternalModuleName(node, node.moduleSpecifier);
- var exportedSymbols = visit(resolvedModule);
- extendExportSymbols(nestedSymbols, exportedSymbols, lookupTable_1, node);
- }
- lookupTable_1.forEach(function (_a, id) {
- var exportsWithDuplicate = _a.exportsWithDuplicate;
- // It's not an error if the file with multiple `export *`s with duplicate names exports a member with that name itself
- if (id === "export=" || !(exportsWithDuplicate && exportsWithDuplicate.length) || symbols.has(id)) {
- return;
- }
- for (var _i = 0, exportsWithDuplicate_1 = exportsWithDuplicate; _i < exportsWithDuplicate_1.length; _i++) {
- var node = exportsWithDuplicate_1[_i];
- diagnostics.add(ts.createDiagnosticForNode(node, ts.Diagnostics.Module_0_has_already_exported_a_member_named_1_Consider_explicitly_re_exporting_to_resolve_the_ambiguity, lookupTable_1.get(id).specifierText, ts.unescapeLeadingUnderscores(id)));
- }
- });
- extendExportSymbols(symbols, nestedSymbols);
- }
- return symbols;
- }
- }
- function getMergedSymbol(symbol) {
- var merged;
- return symbol && symbol.mergeId && (merged = mergedSymbols[symbol.mergeId]) ? merged : symbol;
- }
- function getSymbolOfNode(node) {
- return getMergedSymbol(node.symbol && getLateBoundSymbol(node.symbol));
- }
- function getParentOfSymbol(symbol) {
- return getMergedSymbol(symbol.parent && getLateBoundSymbol(symbol.parent));
- }
- function getAlternativeContainingModules(symbol, enclosingDeclaration) {
- var containingFile = ts.getSourceFileOfNode(enclosingDeclaration);
- var id = "" + getNodeId(containingFile);
- var links = getSymbolLinks(symbol);
- var results;
- if (links.extendedContainersByFile && (results = links.extendedContainersByFile.get(id))) {
- return results;
- }
- if (containingFile && containingFile.imports) {
- // Try to make an import using an import already in the enclosing file, if possible
- for (var _i = 0, _a = containingFile.imports; _i < _a.length; _i++) {
- var importRef = _a[_i];
- if (ts.nodeIsSynthesized(importRef))
- continue; // Synthetic names can't be resolved by `resolveExternalModuleName` - they'll cause a debug assert if they error
- var resolvedModule = resolveExternalModuleName(enclosingDeclaration, importRef, /*ignoreErrors*/ true);
- if (!resolvedModule)
- continue;
- var ref = getAliasForSymbolInContainer(resolvedModule, symbol);
- if (!ref)
- continue;
- results = ts.append(results, resolvedModule);
- }
- if (ts.length(results)) {
- (links.extendedContainersByFile || (links.extendedContainersByFile = ts.createMap())).set(id, results);
- return results;
- }
- }
- if (links.extendedContainers) {
- return links.extendedContainers;
- }
- // No results from files already being imported by this file - expand search (expensive, but not location-specific, so cached)
- var otherFiles = host.getSourceFiles();
- for (var _b = 0, otherFiles_1 = otherFiles; _b < otherFiles_1.length; _b++) {
- var file = otherFiles_1[_b];
- if (!ts.isExternalModule(file))
- continue;
- var sym = getSymbolOfNode(file);
- var ref = getAliasForSymbolInContainer(sym, symbol);
- if (!ref)
- continue;
- results = ts.append(results, sym);
- }
- return links.extendedContainers = results || ts.emptyArray;
- }
- /**
- * Attempts to find the symbol corresponding to the container a symbol is in - usually this
- * is just its' `.parent`, but for locals, this value is `undefined`
- */
- function getContainersOfSymbol(symbol, enclosingDeclaration) {
- var container = getParentOfSymbol(symbol);
- // Type parameters end up in the `members` lists but are not externally visible
- if (container && !(symbol.flags & 262144 /* TypeParameter */)) {
- var additionalContainers = ts.mapDefined(container.declarations, fileSymbolIfFileSymbolExportEqualsContainer);
- var reexportContainers = enclosingDeclaration && getAlternativeContainingModules(symbol, enclosingDeclaration);
- if (enclosingDeclaration && getAccessibleSymbolChain(container, enclosingDeclaration, 1920 /* Namespace */, /*externalOnly*/ false)) {
- return ts.concatenate(ts.concatenate([container], additionalContainers), reexportContainers); // This order expresses a preference for the real container if it is in scope
- }
- var res = ts.append(additionalContainers, container);
- return ts.concatenate(res, reexportContainers);
- }
- var candidates = ts.mapDefined(symbol.declarations, function (d) {
- if (!ts.isAmbientModule(d) && d.parent && hasNonGlobalAugmentationExternalModuleSymbol(d.parent)) {
- return getSymbolOfNode(d.parent);
- }
- if (ts.isClassExpression(d) && ts.isBinaryExpression(d.parent) && d.parent.operatorToken.kind === 62 /* EqualsToken */ && ts.isAccessExpression(d.parent.left) && ts.isEntityNameExpression(d.parent.left.expression)) {
- if (ts.isModuleExportsAccessExpression(d.parent.left) || ts.isExportsIdentifier(d.parent.left.expression)) {
- return getSymbolOfNode(ts.getSourceFileOfNode(d));
- }
- checkExpressionCached(d.parent.left.expression);
- return getNodeLinks(d.parent.left.expression).resolvedSymbol;
- }
- });
- if (!ts.length(candidates)) {
- return undefined;
- }
- return ts.mapDefined(candidates, function (candidate) { return getAliasForSymbolInContainer(candidate, symbol) ? candidate : undefined; });
- function fileSymbolIfFileSymbolExportEqualsContainer(d) {
- return container && getFileSymbolIfFileSymbolExportEqualsContainer(d, container);
- }
- }
- function getFileSymbolIfFileSymbolExportEqualsContainer(d, container) {
- var fileSymbol = getExternalModuleContainer(d);
- var exported = fileSymbol && fileSymbol.exports && fileSymbol.exports.get("export=" /* ExportEquals */);
- return exported && getSymbolIfSameReference(exported, container) ? fileSymbol : undefined;
- }
- function getAliasForSymbolInContainer(container, symbol) {
- if (container === getParentOfSymbol(symbol)) {
- // fast path, `symbol` is either already the alias or isn't aliased
- return symbol;
- }
- // Check if container is a thing with an `export=` which points directly at `symbol`, and if so, return
- // the container itself as the alias for the symbol
- var exportEquals = container.exports && container.exports.get("export=" /* ExportEquals */);
- if (exportEquals && getSymbolIfSameReference(exportEquals, symbol)) {
- return container;
- }
- var exports = getExportsOfSymbol(container);
- var quick = exports.get(symbol.escapedName);
- if (quick && getSymbolIfSameReference(quick, symbol)) {
- return quick;
- }
- return ts.forEachEntry(exports, function (exported) {
- if (getSymbolIfSameReference(exported, symbol)) {
- return exported;
- }
- });
- }
- /**
- * Checks if two symbols, through aliasing and/or merging, refer to the same thing
- */
- function getSymbolIfSameReference(s1, s2) {
- if (getMergedSymbol(resolveSymbol(getMergedSymbol(s1))) === getMergedSymbol(resolveSymbol(getMergedSymbol(s2)))) {
- return s1;
- }
- }
- function getExportSymbolOfValueSymbolIfExported(symbol) {
- return getMergedSymbol(symbol && (symbol.flags & 1048576 /* ExportValue */) !== 0 ? symbol.exportSymbol : symbol);
- }
- function symbolIsValue(symbol) {
- return !!(symbol.flags & 111551 /* Value */ || symbol.flags & 2097152 /* Alias */ && resolveAlias(symbol).flags & 111551 /* Value */ && !getTypeOnlyAliasDeclaration(symbol));
- }
- function findConstructorDeclaration(node) {
- var members = node.members;
- for (var _i = 0, members_3 = members; _i < members_3.length; _i++) {
- var member = members_3[_i];
- if (member.kind === 162 /* Constructor */ && ts.nodeIsPresent(member.body)) {
- return member;
- }
- }
- }
- function createType(flags) {
- var result = new Type(checker, flags);
- typeCount++;
- result.id = typeCount;
- return result;
- }
- function createIntrinsicType(kind, intrinsicName, objectFlags) {
- if (objectFlags === void 0) { objectFlags = 0; }
- var type = createType(kind);
- type.intrinsicName = intrinsicName;
- type.objectFlags = objectFlags;
- return type;
- }
- function createBooleanType(trueFalseTypes) {
- var type = getUnionType(trueFalseTypes);
- type.flags |= 16 /* Boolean */;
- type.intrinsicName = "boolean";
- return type;
- }
- function createObjectType(objectFlags, symbol) {
- var type = createType(524288 /* Object */);
- type.objectFlags = objectFlags;
- type.symbol = symbol;
- type.members = undefined;
- type.properties = undefined;
- type.callSignatures = undefined;
- type.constructSignatures = undefined;
- type.stringIndexInfo = undefined;
- type.numberIndexInfo = undefined;
- return type;
- }
- function createTypeofType() {
- return getUnionType(ts.arrayFrom(typeofEQFacts.keys(), getLiteralType));
- }
- function createTypeParameter(symbol) {
- var type = createType(262144 /* TypeParameter */);
- if (symbol)
- type.symbol = symbol;
- return type;
- }
- // A reserved member name starts with two underscores, but the third character cannot be an underscore,
- // @, or #. A third underscore indicates an escaped form of an identifier that started
- // with at least two underscores. The @ character indicates that the name is denoted by a well known ES
- // Symbol instance and the # character indicates that the name is a PrivateIdentifier.
- function isReservedMemberName(name) {
- return name.charCodeAt(0) === 95 /* _ */ &&
- name.charCodeAt(1) === 95 /* _ */ &&
- name.charCodeAt(2) !== 95 /* _ */ &&
- name.charCodeAt(2) !== 64 /* at */ &&
- name.charCodeAt(2) !== 35 /* hash */;
- }
- function getNamedMembers(members) {
- var result;
- members.forEach(function (symbol, id) {
- if (!isReservedMemberName(id) && symbolIsValue(symbol)) {
- (result || (result = [])).push(symbol);
- }
- });
- return result || ts.emptyArray;
- }
- function setStructuredTypeMembers(type, members, callSignatures, constructSignatures, stringIndexInfo, numberIndexInfo) {
- type.members = members;
- type.properties = members === emptySymbols ? ts.emptyArray : getNamedMembers(members);
- type.callSignatures = callSignatures;
- type.constructSignatures = constructSignatures;
- type.stringIndexInfo = stringIndexInfo;
- type.numberIndexInfo = numberIndexInfo;
- return type;
- }
- function createAnonymousType(symbol, members, callSignatures, constructSignatures, stringIndexInfo, numberIndexInfo) {
- return setStructuredTypeMembers(createObjectType(16 /* Anonymous */, symbol), members, callSignatures, constructSignatures, stringIndexInfo, numberIndexInfo);
- }
- function forEachSymbolTableInScope(enclosingDeclaration, callback) {
- var result;
- var _loop_7 = function (location) {
- // Locals of a source file are not in scope (because they get merged into the global symbol table)
- if (location.locals && !isGlobalSourceFile(location)) {
- if (result = callback(location.locals)) {
- return { value: result };
- }
- }
- switch (location.kind) {
- case 290 /* SourceFile */:
- if (!ts.isExternalOrCommonJsModule(location)) {
- break;
- }
- // falls through
- case 249 /* ModuleDeclaration */:
- var sym = getSymbolOfNode(location);
- // `sym` may not have exports if this module declaration is backed by the symbol for a `const` that's being rewritten
- // into a namespace - in such cases, it's best to just let the namespace appear empty (the const members couldn't have referred
- // to one another anyway)
- if (result = callback((sym === null || sym === void 0 ? void 0 : sym.exports) || emptySymbols)) {
- return { value: result };
- }
- break;
- case 245 /* ClassDeclaration */:
- case 214 /* ClassExpression */:
- case 246 /* InterfaceDeclaration */:
- // Type parameters are bound into `members` lists so they can merge across declarations
- // This is troublesome, since in all other respects, they behave like locals :cries:
- // TODO: the below is shared with similar code in `resolveName` - in fact, rephrasing all this symbol
- // lookup logic in terms of `resolveName` would be nice
- // The below is used to lookup type parameters within a class or interface, as they are added to the class/interface locals
- // These can never be latebound, so the symbol's raw members are sufficient. `getMembersOfNode` cannot be used, as it would
- // trigger resolving late-bound names, which we may already be in the process of doing while we're here!
- var table_1;
- // TODO: Should this filtered table be cached in some way?
- (getSymbolOfNode(location).members || emptySymbols).forEach(function (memberSymbol, key) {
- if (memberSymbol.flags & (788968 /* Type */ & ~67108864 /* Assignment */)) {
- (table_1 || (table_1 = ts.createSymbolTable())).set(key, memberSymbol);
- }
- });
- if (table_1 && (result = callback(table_1))) {
- return { value: result };
- }
- break;
- }
- };
- for (var location = enclosingDeclaration; location; location = location.parent) {
- var state_2 = _loop_7(location);
- if (typeof state_2 === "object")
- return state_2.value;
- }
- return callback(globals);
- }
- function getQualifiedLeftMeaning(rightMeaning) {
- // If we are looking in value space, the parent meaning is value, other wise it is namespace
- return rightMeaning === 111551 /* Value */ ? 111551 /* Value */ : 1920 /* Namespace */;
- }
- function getAccessibleSymbolChain(symbol, enclosingDeclaration, meaning, useOnlyExternalAliasing, visitedSymbolTablesMap) {
- if (visitedSymbolTablesMap === void 0) { visitedSymbolTablesMap = ts.createMap(); }
- if (!(symbol && !isPropertyOrMethodDeclarationSymbol(symbol))) {
- return undefined;
- }
- var id = "" + getSymbolId(symbol);
- var visitedSymbolTables = visitedSymbolTablesMap.get(id);
- if (!visitedSymbolTables) {
- visitedSymbolTablesMap.set(id, visitedSymbolTables = []);
- }
- return forEachSymbolTableInScope(enclosingDeclaration, getAccessibleSymbolChainFromSymbolTable);
- /**
- * @param {ignoreQualification} boolean Set when a symbol is being looked for through the exports of another symbol (meaning we have a route to qualify it already)
- */
- function getAccessibleSymbolChainFromSymbolTable(symbols, ignoreQualification) {
- if (!ts.pushIfUnique(visitedSymbolTables, symbols)) {
- return undefined;
- }
- var result = trySymbolTable(symbols, ignoreQualification);
- visitedSymbolTables.pop();
- return result;
- }
- function canQualifySymbol(symbolFromSymbolTable, meaning) {
- // If the symbol is equivalent and doesn't need further qualification, this symbol is accessible
- return !needsQualification(symbolFromSymbolTable, enclosingDeclaration, meaning) ||
- // If symbol needs qualification, make sure that parent is accessible, if it is then this symbol is accessible too
- !!getAccessibleSymbolChain(symbolFromSymbolTable.parent, enclosingDeclaration, getQualifiedLeftMeaning(meaning), useOnlyExternalAliasing, visitedSymbolTablesMap);
- }
- function isAccessible(symbolFromSymbolTable, resolvedAliasSymbol, ignoreQualification) {
- return (symbol === (resolvedAliasSymbol || symbolFromSymbolTable) || getMergedSymbol(symbol) === getMergedSymbol(resolvedAliasSymbol || symbolFromSymbolTable)) &&
- // if the symbolFromSymbolTable is not external module (it could be if it was determined as ambient external module and would be in globals table)
- // and if symbolFromSymbolTable or alias resolution matches the symbol,
- // check the symbol can be qualified, it is only then this symbol is accessible
- !ts.some(symbolFromSymbolTable.declarations, hasNonGlobalAugmentationExternalModuleSymbol) &&
- (ignoreQualification || canQualifySymbol(getMergedSymbol(symbolFromSymbolTable), meaning));
- }
- function trySymbolTable(symbols, ignoreQualification) {
- // If symbol is directly available by its name in the symbol table
- if (isAccessible(symbols.get(symbol.escapedName), /*resolvedAliasSymbol*/ undefined, ignoreQualification)) {
- return [symbol];
- }
- // Check if symbol is any of the aliases in scope
- var result = ts.forEachEntry(symbols, function (symbolFromSymbolTable) {
- if (symbolFromSymbolTable.flags & 2097152 /* Alias */
- && symbolFromSymbolTable.escapedName !== "export=" /* ExportEquals */
- && symbolFromSymbolTable.escapedName !== "default" /* Default */
- && !(ts.isUMDExportSymbol(symbolFromSymbolTable) && enclosingDeclaration && ts.isExternalModule(ts.getSourceFileOfNode(enclosingDeclaration)))
- // If `!useOnlyExternalAliasing`, we can use any type of alias to get the name
- && (!useOnlyExternalAliasing || ts.some(symbolFromSymbolTable.declarations, ts.isExternalModuleImportEqualsDeclaration))
- // While exports are generally considered to be in scope, export-specifier declared symbols are _not_
- // See similar comment in `resolveName` for details
- && (ignoreQualification || !ts.getDeclarationOfKind(symbolFromSymbolTable, 263 /* ExportSpecifier */))) {
- var resolvedImportedSymbol = resolveAlias(symbolFromSymbolTable);
- var candidate = getCandidateListForSymbol(symbolFromSymbolTable, resolvedImportedSymbol, ignoreQualification);
- if (candidate) {
- return candidate;
- }
- }
- if (symbolFromSymbolTable.escapedName === symbol.escapedName && symbolFromSymbolTable.exportSymbol) {
- if (isAccessible(getMergedSymbol(symbolFromSymbolTable.exportSymbol), /*aliasSymbol*/ undefined, ignoreQualification)) {
- return [symbol];
- }
- }
- });
- // If there's no result and we're looking at the global symbol table, treat `globalThis` like an alias and try to lookup thru that
- return result || (symbols === globals ? getCandidateListForSymbol(globalThisSymbol, globalThisSymbol, ignoreQualification) : undefined);
- }
- function getCandidateListForSymbol(symbolFromSymbolTable, resolvedImportedSymbol, ignoreQualification) {
- if (isAccessible(symbolFromSymbolTable, resolvedImportedSymbol, ignoreQualification)) {
- return [symbolFromSymbolTable];
- }
- // Look in the exported members, if we can find accessibleSymbolChain, symbol is accessible using this chain
- // but only if the symbolFromSymbolTable can be qualified
- var candidateTable = getExportsOfSymbol(resolvedImportedSymbol);
- var accessibleSymbolsFromExports = candidateTable && getAccessibleSymbolChainFromSymbolTable(candidateTable, /*ignoreQualification*/ true);
- if (accessibleSymbolsFromExports && canQualifySymbol(symbolFromSymbolTable, getQualifiedLeftMeaning(meaning))) {
- return [symbolFromSymbolTable].concat(accessibleSymbolsFromExports);
- }
- }
- }
- function needsQualification(symbol, enclosingDeclaration, meaning) {
- var qualify = false;
- forEachSymbolTableInScope(enclosingDeclaration, function (symbolTable) {
- // If symbol of this name is not available in the symbol table we are ok
- var symbolFromSymbolTable = getMergedSymbol(symbolTable.get(symbol.escapedName));
- if (!symbolFromSymbolTable) {
- // Continue to the next symbol table
- return false;
- }
- // If the symbol with this name is present it should refer to the symbol
- if (symbolFromSymbolTable === symbol) {
- // No need to qualify
- return true;
- }
- // Qualify if the symbol from symbol table has same meaning as expected
- symbolFromSymbolTable = (symbolFromSymbolTable.flags & 2097152 /* Alias */ && !ts.getDeclarationOfKind(symbolFromSymbolTable, 263 /* ExportSpecifier */)) ? resolveAlias(symbolFromSymbolTable) : symbolFromSymbolTable;
- if (symbolFromSymbolTable.flags & meaning) {
- qualify = true;
- return true;
- }
- // Continue to the next symbol table
- return false;
- });
- return qualify;
- }
- function isPropertyOrMethodDeclarationSymbol(symbol) {
- if (symbol.declarations && symbol.declarations.length) {
- for (var _i = 0, _a = symbol.declarations; _i < _a.length; _i++) {
- var declaration = _a[_i];
- switch (declaration.kind) {
- case 159 /* PropertyDeclaration */:
- case 161 /* MethodDeclaration */:
- case 163 /* GetAccessor */:
- case 164 /* SetAccessor */:
- continue;
- default:
- return false;
- }
- }
- return true;
- }
- return false;
- }
- function isTypeSymbolAccessible(typeSymbol, enclosingDeclaration) {
- var access = isSymbolAccessible(typeSymbol, enclosingDeclaration, 788968 /* Type */, /*shouldComputeAliasesToMakeVisible*/ false);
- return access.accessibility === 0 /* Accessible */;
- }
- function isValueSymbolAccessible(typeSymbol, enclosingDeclaration) {
- var access = isSymbolAccessible(typeSymbol, enclosingDeclaration, 111551 /* Value */, /*shouldComputeAliasesToMakeVisible*/ false);
- return access.accessibility === 0 /* Accessible */;
- }
- function isAnySymbolAccessible(symbols, enclosingDeclaration, initialSymbol, meaning, shouldComputeAliasesToMakeVisible) {
- if (!ts.length(symbols))
- return;
- var hadAccessibleChain;
- var earlyModuleBail = false;
- for (var _i = 0, _a = symbols; _i < _a.length; _i++) {
- var symbol = _a[_i];
- // Symbol is accessible if it by itself is accessible
- var accessibleSymbolChain = getAccessibleSymbolChain(symbol, enclosingDeclaration, meaning, /*useOnlyExternalAliasing*/ false);
- if (accessibleSymbolChain) {
- hadAccessibleChain = symbol;
- var hasAccessibleDeclarations = hasVisibleDeclarations(accessibleSymbolChain[0], shouldComputeAliasesToMakeVisible);
- if (hasAccessibleDeclarations) {
- return hasAccessibleDeclarations;
- }
- }
- else {
- if (ts.some(symbol.declarations, hasNonGlobalAugmentationExternalModuleSymbol)) {
- if (shouldComputeAliasesToMakeVisible) {
- earlyModuleBail = true;
- // Generally speaking, we want to use the aliases that already exist to refer to a module, if present
- // In order to do so, we need to find those aliases in order to retain them in declaration emit; so
- // if we are in declaration emit, we cannot use the fast path for module visibility until we've exhausted
- // all other visibility options (in order to capture the possible aliases used to reference the module)
- continue;
- }
- // Any meaning of a module symbol is always accessible via an `import` type
- return {
- accessibility: 0 /* Accessible */
- };
- }
- }
- // If we haven't got the accessible symbol, it doesn't mean the symbol is actually inaccessible.
- // It could be a qualified symbol and hence verify the path
- // e.g.:
- // module m {
- // export class c {
- // }
- // }
- // const x: typeof m.c
- // In the above example when we start with checking if typeof m.c symbol is accessible,
- // we are going to see if c can be accessed in scope directly.
- // But it can't, hence the accessible is going to be undefined, but that doesn't mean m.c is inaccessible
- // It is accessible if the parent m is accessible because then m.c can be accessed through qualification
- var containers = getContainersOfSymbol(symbol, enclosingDeclaration);
- // If we're trying to reference some object literal in, eg `var a = { x: 1 }`, the symbol for the literal, `__object`, is distinct
- // from the symbol of the declaration it is being assigned to. Since we can use the declaration to refer to the literal, however,
- // we'd like to make that connection here - potentially causing us to paint the declaration's visibility, and therefore the literal.
- var firstDecl = !!ts.length(symbol.declarations) && ts.first(symbol.declarations);
- if (!ts.length(containers) && meaning & 111551 /* Value */ && firstDecl && ts.isObjectLiteralExpression(firstDecl)) {
- if (firstDecl.parent && ts.isVariableDeclaration(firstDecl.parent) && firstDecl === firstDecl.parent.initializer) {
- containers = [getSymbolOfNode(firstDecl.parent)];
- }
- }
- var parentResult = isAnySymbolAccessible(containers, enclosingDeclaration, initialSymbol, initialSymbol === symbol ? getQualifiedLeftMeaning(meaning) : meaning, shouldComputeAliasesToMakeVisible);
- if (parentResult) {
- return parentResult;
- }
- }
- if (earlyModuleBail) {
- return {
- accessibility: 0 /* Accessible */
- };
- }
- if (hadAccessibleChain) {
- return {
- accessibility: 1 /* NotAccessible */,
- errorSymbolName: symbolToString(initialSymbol, enclosingDeclaration, meaning),
- errorModuleName: hadAccessibleChain !== initialSymbol ? symbolToString(hadAccessibleChain, enclosingDeclaration, 1920 /* Namespace */) : undefined,
- };
- }
- }
- /**
- * Check if the given symbol in given enclosing declaration is accessible and mark all associated alias to be visible if requested
- *
- * @param symbol a Symbol to check if accessible
- * @param enclosingDeclaration a Node containing reference to the symbol
- * @param meaning a SymbolFlags to check if such meaning of the symbol is accessible
- * @param shouldComputeAliasToMakeVisible a boolean value to indicate whether to return aliases to be mark visible in case the symbol is accessible
- */
- function isSymbolAccessible(symbol, enclosingDeclaration, meaning, shouldComputeAliasesToMakeVisible) {
- if (symbol && enclosingDeclaration) {
- var result = isAnySymbolAccessible([symbol], enclosingDeclaration, symbol, meaning, shouldComputeAliasesToMakeVisible);
- if (result) {
- return result;
- }
- // This could be a symbol that is not exported in the external module
- // or it could be a symbol from different external module that is not aliased and hence cannot be named
- var symbolExternalModule = ts.forEach(symbol.declarations, getExternalModuleContainer);
- if (symbolExternalModule) {
- var enclosingExternalModule = getExternalModuleContainer(enclosingDeclaration);
- if (symbolExternalModule !== enclosingExternalModule) {
- // name from different external module that is not visible
- return {
- accessibility: 2 /* CannotBeNamed */,
- errorSymbolName: symbolToString(symbol, enclosingDeclaration, meaning),
- errorModuleName: symbolToString(symbolExternalModule)
- };
- }
- }
- // Just a local name that is not accessible
- return {
- accessibility: 1 /* NotAccessible */,
- errorSymbolName: symbolToString(symbol, enclosingDeclaration, meaning),
- };
- }
- return { accessibility: 0 /* Accessible */ };
- }
- function getExternalModuleContainer(declaration) {
- var node = ts.findAncestor(declaration, hasExternalModuleSymbol);
- return node && getSymbolOfNode(node);
- }
- function hasExternalModuleSymbol(declaration) {
- return ts.isAmbientModule(declaration) || (declaration.kind === 290 /* SourceFile */ && ts.isExternalOrCommonJsModule(declaration));
- }
- function hasNonGlobalAugmentationExternalModuleSymbol(declaration) {
- return ts.isModuleWithStringLiteralName(declaration) || (declaration.kind === 290 /* SourceFile */ && ts.isExternalOrCommonJsModule(declaration));
- }
- function hasVisibleDeclarations(symbol, shouldComputeAliasToMakeVisible) {
- var aliasesToMakeVisible;
- if (!ts.every(ts.filter(symbol.declarations, function (d) { return d.kind !== 75 /* Identifier */; }), getIsDeclarationVisible)) {
- return undefined;
- }
- return { accessibility: 0 /* Accessible */, aliasesToMakeVisible: aliasesToMakeVisible };
- function getIsDeclarationVisible(declaration) {
- if (!isDeclarationVisible(declaration)) {
- // Mark the unexported alias as visible if its parent is visible
- // because these kind of aliases can be used to name types in declaration file
- var anyImportSyntax = getAnyImportSyntax(declaration);
- if (anyImportSyntax &&
- !ts.hasModifier(anyImportSyntax, 1 /* Export */) && // import clause without export
- isDeclarationVisible(anyImportSyntax.parent)) {
- return addVisibleAlias(declaration, anyImportSyntax);
- }
- else if (ts.isVariableDeclaration(declaration) && ts.isVariableStatement(declaration.parent.parent) &&
- !ts.hasModifier(declaration.parent.parent, 1 /* Export */) && // unexported variable statement
- isDeclarationVisible(declaration.parent.parent.parent)) {
- return addVisibleAlias(declaration, declaration.parent.parent);
- }
- else if (ts.isLateVisibilityPaintedStatement(declaration) // unexported top-level statement
- && !ts.hasModifier(declaration, 1 /* Export */)
- && isDeclarationVisible(declaration.parent)) {
- return addVisibleAlias(declaration, declaration);
- }
- // Declaration is not visible
- return false;
- }
- return true;
- }
- function addVisibleAlias(declaration, aliasingStatement) {
- // In function "buildTypeDisplay" where we decide whether to write type-alias or serialize types,
- // we want to just check if type- alias is accessible or not but we don't care about emitting those alias at that time
- // since we will do the emitting later in trackSymbol.
- if (shouldComputeAliasToMakeVisible) {
- getNodeLinks(declaration).isVisible = true;
- aliasesToMakeVisible = ts.appendIfUnique(aliasesToMakeVisible, aliasingStatement);
- }
- return true;
- }
- }
- function isEntityNameVisible(entityName, enclosingDeclaration) {
- // get symbol of the first identifier of the entityName
- var meaning;
- if (entityName.parent.kind === 172 /* TypeQuery */ ||
- ts.isExpressionWithTypeArgumentsInClassExtendsClause(entityName.parent) ||
- entityName.parent.kind === 154 /* ComputedPropertyName */) {
- // Typeof value
- meaning = 111551 /* Value */ | 1048576 /* ExportValue */;
- }
- else if (entityName.kind === 153 /* QualifiedName */ || entityName.kind === 194 /* PropertyAccessExpression */ ||
- entityName.parent.kind === 253 /* ImportEqualsDeclaration */) {
- // Left identifier from type reference or TypeAlias
- // Entity name of the import declaration
- meaning = 1920 /* Namespace */;
- }
- else {
- // Type Reference or TypeAlias entity = Identifier
- meaning = 788968 /* Type */;
- }
- var firstIdentifier = ts.getFirstIdentifier(entityName);
- var symbol = resolveName(enclosingDeclaration, firstIdentifier.escapedText, meaning, /*nodeNotFoundErrorMessage*/ undefined, /*nameArg*/ undefined, /*isUse*/ false);
- // Verify if the symbol is accessible
- return (symbol && hasVisibleDeclarations(symbol, /*shouldComputeAliasToMakeVisible*/ true)) || {
- accessibility: 1 /* NotAccessible */,
- errorSymbolName: ts.getTextOfNode(firstIdentifier),
- errorNode: firstIdentifier
- };
- }
- function symbolToString(symbol, enclosingDeclaration, meaning, flags, writer) {
- if (flags === void 0) { flags = 4 /* AllowAnyNodeKind */; }
- var nodeFlags = 70221824 /* IgnoreErrors */;
- if (flags & 2 /* UseOnlyExternalAliasing */) {
- nodeFlags |= 128 /* UseOnlyExternalAliasing */;
- }
- if (flags & 1 /* WriteTypeParametersOrArguments */) {
- nodeFlags |= 512 /* WriteTypeParametersInQualifiedName */;
- }
- if (flags & 8 /* UseAliasDefinedOutsideCurrentScope */) {
- nodeFlags |= 16384 /* UseAliasDefinedOutsideCurrentScope */;
- }
- if (flags & 16 /* DoNotIncludeSymbolChain */) {
- nodeFlags |= 134217728 /* DoNotIncludeSymbolChain */;
- }
- var builder = flags & 4 /* AllowAnyNodeKind */ ? nodeBuilder.symbolToExpression : nodeBuilder.symbolToEntityName;
- return writer ? symbolToStringWorker(writer).getText() : ts.usingSingleLineStringWriter(symbolToStringWorker);
- function symbolToStringWorker(writer) {
- var entity = builder(symbol, meaning, enclosingDeclaration, nodeFlags); // TODO: GH#18217
- var printer = ts.createPrinter({ removeComments: true });
- var sourceFile = enclosingDeclaration && ts.getSourceFileOfNode(enclosingDeclaration);
- printer.writeNode(4 /* Unspecified */, entity, /*sourceFile*/ sourceFile, writer);
- return writer;
- }
- }
- function signatureToString(signature, enclosingDeclaration, flags, kind, writer) {
- if (flags === void 0) { flags = 0 /* None */; }
- return writer ? signatureToStringWorker(writer).getText() : ts.usingSingleLineStringWriter(signatureToStringWorker);
- function signatureToStringWorker(writer) {
- var sigOutput;
- if (flags & 262144 /* WriteArrowStyleSignature */) {
- sigOutput = kind === 1 /* Construct */ ? 171 /* ConstructorType */ : 170 /* FunctionType */;
- }
- else {
- sigOutput = kind === 1 /* Construct */ ? 166 /* ConstructSignature */ : 165 /* CallSignature */;
- }
- var sig = nodeBuilder.signatureToSignatureDeclaration(signature, sigOutput, enclosingDeclaration, toNodeBuilderFlags(flags) | 70221824 /* IgnoreErrors */ | 512 /* WriteTypeParametersInQualifiedName */);
- var printer = ts.createPrinter({ removeComments: true, omitTrailingSemicolon: true });
- var sourceFile = enclosingDeclaration && ts.getSourceFileOfNode(enclosingDeclaration);
- printer.writeNode(4 /* Unspecified */, sig, /*sourceFile*/ sourceFile, ts.getTrailingSemicolonDeferringWriter(writer)); // TODO: GH#18217
- return writer;
- }
- }
- function typeToString(type, enclosingDeclaration, flags, writer) {
- if (flags === void 0) { flags = 1048576 /* AllowUniqueESSymbolType */ | 16384 /* UseAliasDefinedOutsideCurrentScope */; }
- if (writer === void 0) { writer = ts.createTextWriter(""); }
- var noTruncation = compilerOptions.noErrorTruncation || flags & 1 /* NoTruncation */;
- var typeNode = nodeBuilder.typeToTypeNode(type, enclosingDeclaration, toNodeBuilderFlags(flags) | 70221824 /* IgnoreErrors */ | (noTruncation ? 1 /* NoTruncation */ : 0), writer);
- if (typeNode === undefined)
- return ts.Debug.fail("should always get typenode");
- var options = { removeComments: true };
- var printer = ts.createPrinter(options);
- var sourceFile = enclosingDeclaration && ts.getSourceFileOfNode(enclosingDeclaration);
- printer.writeNode(4 /* Unspecified */, typeNode, /*sourceFile*/ sourceFile, writer);
- var result = writer.getText();
- var maxLength = noTruncation ? ts.noTruncationMaximumTruncationLength * 2 : ts.defaultMaximumTruncationLength * 2;
- if (maxLength && result && result.length >= maxLength) {
- return result.substr(0, maxLength - "...".length) + "...";
- }
- return result;
- }
- function getTypeNamesForErrorDisplay(left, right) {
- var leftStr = symbolValueDeclarationIsContextSensitive(left.symbol) ? typeToString(left, left.symbol.valueDeclaration) : typeToString(left);
- var rightStr = symbolValueDeclarationIsContextSensitive(right.symbol) ? typeToString(right, right.symbol.valueDeclaration) : typeToString(right);
- if (leftStr === rightStr) {
- leftStr = typeToString(left, /*enclosingDeclaration*/ undefined, 64 /* UseFullyQualifiedType */);
- rightStr = typeToString(right, /*enclosingDeclaration*/ undefined, 64 /* UseFullyQualifiedType */);
- }
- return [leftStr, rightStr];
- }
- function symbolValueDeclarationIsContextSensitive(symbol) {
- return symbol && symbol.valueDeclaration && ts.isExpression(symbol.valueDeclaration) && !isContextSensitive(symbol.valueDeclaration);
- }
- function toNodeBuilderFlags(flags) {
- if (flags === void 0) { flags = 0 /* None */; }
- return flags & 814775659 /* NodeBuilderFlagsMask */;
- }
- function createNodeBuilder() {
- return {
- typeToTypeNode: function (type, enclosingDeclaration, flags, tracker) {
- return withContext(enclosingDeclaration, flags, tracker, function (context) { return typeToTypeNodeHelper(type, context); });
- },
- indexInfoToIndexSignatureDeclaration: function (indexInfo, kind, enclosingDeclaration, flags, tracker) {
- return withContext(enclosingDeclaration, flags, tracker, function (context) { return indexInfoToIndexSignatureDeclarationHelper(indexInfo, kind, context); });
- },
- signatureToSignatureDeclaration: function (signature, kind, enclosingDeclaration, flags, tracker) {
- return withContext(enclosingDeclaration, flags, tracker, function (context) { return signatureToSignatureDeclarationHelper(signature, kind, context); });
- },
- symbolToEntityName: function (symbol, meaning, enclosingDeclaration, flags, tracker) {
- return withContext(enclosingDeclaration, flags, tracker, function (context) { return symbolToName(symbol, context, meaning, /*expectsIdentifier*/ false); });
- },
- symbolToExpression: function (symbol, meaning, enclosingDeclaration, flags, tracker) {
- return withContext(enclosingDeclaration, flags, tracker, function (context) { return symbolToExpression(symbol, context, meaning); });
- },
- symbolToTypeParameterDeclarations: function (symbol, enclosingDeclaration, flags, tracker) {
- return withContext(enclosingDeclaration, flags, tracker, function (context) { return typeParametersToTypeParameterDeclarations(symbol, context); });
- },
- symbolToParameterDeclaration: function (symbol, enclosingDeclaration, flags, tracker) {
- return withContext(enclosingDeclaration, flags, tracker, function (context) { return symbolToParameterDeclaration(symbol, context); });
- },
- typeParameterToDeclaration: function (parameter, enclosingDeclaration, flags, tracker) {
- return withContext(enclosingDeclaration, flags, tracker, function (context) { return typeParameterToDeclaration(parameter, context); });
- },
- symbolTableToDeclarationStatements: function (symbolTable, enclosingDeclaration, flags, tracker, bundled) {
- return withContext(enclosingDeclaration, flags, tracker, function (context) { return symbolTableToDeclarationStatements(symbolTable, context, bundled); });
- },
- };
- function withContext(enclosingDeclaration, flags, tracker, cb) {
- ts.Debug.assert(enclosingDeclaration === undefined || (enclosingDeclaration.flags & 8 /* Synthesized */) === 0);
- var context = {
- enclosingDeclaration: enclosingDeclaration,
- flags: flags || 0 /* None */,
- // If no full tracker is provided, fake up a dummy one with a basic limited-functionality moduleResolverHost
- tracker: tracker && tracker.trackSymbol ? tracker : { trackSymbol: ts.noop, moduleResolverHost: flags & 134217728 /* DoNotIncludeSymbolChain */ ? {
- getCommonSourceDirectory: !!host.getCommonSourceDirectory ? function () { return host.getCommonSourceDirectory(); } : function () { return ""; },
- getSourceFiles: function () { return host.getSourceFiles(); },
- getCurrentDirectory: function () { return host.getCurrentDirectory(); },
- getProbableSymlinks: ts.maybeBind(host, host.getProbableSymlinks),
- useCaseSensitiveFileNames: ts.maybeBind(host, host.useCaseSensitiveFileNames),
- redirectTargetsMap: host.redirectTargetsMap,
- getProjectReferenceRedirect: function (fileName) { return host.getProjectReferenceRedirect(fileName); },
- isSourceOfProjectReferenceRedirect: function (fileName) { return host.isSourceOfProjectReferenceRedirect(fileName); },
- fileExists: function (fileName) { return host.fileExists(fileName); },
- } : undefined },
- encounteredError: false,
- visitedTypes: undefined,
- symbolDepth: undefined,
- inferTypeParameters: undefined,
- approximateLength: 0
- };
- var resultingNode = cb(context);
- return context.encounteredError ? undefined : resultingNode;
- }
- function checkTruncationLength(context) {
- if (context.truncating)
- return context.truncating;
- return context.truncating = context.approximateLength > ((context.flags & 1 /* NoTruncation */) ? ts.noTruncationMaximumTruncationLength : ts.defaultMaximumTruncationLength);
- }
- function typeToTypeNodeHelper(type, context) {
- if (cancellationToken && cancellationToken.throwIfCancellationRequested) {
- cancellationToken.throwIfCancellationRequested();
- }
- var inTypeAlias = context.flags & 8388608 /* InTypeAlias */;
- context.flags &= ~8388608 /* InTypeAlias */;
- if (!type) {
- if (!(context.flags & 262144 /* AllowEmptyUnionOrIntersection */)) {
- context.encounteredError = true;
- return undefined; // TODO: GH#18217
- }
- context.approximateLength += 3;
- return ts.createKeywordTypeNode(125 /* AnyKeyword */);
- }
- if (!(context.flags & 536870912 /* NoTypeReduction */)) {
- type = getReducedType(type);
- }
- if (type.flags & 1 /* Any */) {
- context.approximateLength += 3;
- return ts.createKeywordTypeNode(125 /* AnyKeyword */);
- }
- if (type.flags & 2 /* Unknown */) {
- return ts.createKeywordTypeNode(148 /* UnknownKeyword */);
- }
- if (type.flags & 4 /* String */) {
- context.approximateLength += 6;
- return ts.createKeywordTypeNode(143 /* StringKeyword */);
- }
- if (type.flags & 8 /* Number */) {
- context.approximateLength += 6;
- return ts.createKeywordTypeNode(140 /* NumberKeyword */);
- }
- if (type.flags & 64 /* BigInt */) {
- context.approximateLength += 6;
- return ts.createKeywordTypeNode(151 /* BigIntKeyword */);
- }
- if (type.flags & 16 /* Boolean */) {
- context.approximateLength += 7;
- return ts.createKeywordTypeNode(128 /* BooleanKeyword */);
- }
- if (type.flags & 1024 /* EnumLiteral */ && !(type.flags & 1048576 /* Union */)) {
- var parentSymbol = getParentOfSymbol(type.symbol);
- var parentName = symbolToTypeNode(parentSymbol, context, 788968 /* Type */);
- var enumLiteralName = getDeclaredTypeOfSymbol(parentSymbol) === type
- ? parentName
- : appendReferenceToType(parentName, ts.createTypeReferenceNode(ts.symbolName(type.symbol), /*typeArguments*/ undefined));
- return enumLiteralName;
- }
- if (type.flags & 1056 /* EnumLike */) {
- return symbolToTypeNode(type.symbol, context, 788968 /* Type */);
- }
- if (type.flags & 128 /* StringLiteral */) {
- context.approximateLength += (type.value.length + 2);
- return ts.createLiteralTypeNode(ts.setEmitFlags(ts.createLiteral(type.value, !!(context.flags & 268435456 /* UseSingleQuotesForStringLiteralType */)), 16777216 /* NoAsciiEscaping */));
- }
- if (type.flags & 256 /* NumberLiteral */) {
- var value = type.value;
- context.approximateLength += ("" + value).length;
- return ts.createLiteralTypeNode(value < 0 ? ts.createPrefix(40 /* MinusToken */, ts.createLiteral(-value)) : ts.createLiteral(value));
- }
- if (type.flags & 2048 /* BigIntLiteral */) {
- context.approximateLength += (ts.pseudoBigIntToString(type.value).length) + 1;
- return ts.createLiteralTypeNode((ts.createLiteral(type.value)));
- }
- if (type.flags & 512 /* BooleanLiteral */) {
- context.approximateLength += type.intrinsicName.length;
- return type.intrinsicName === "true" ? ts.createTrue() : ts.createFalse();
- }
- if (type.flags & 8192 /* UniqueESSymbol */) {
- if (!(context.flags & 1048576 /* AllowUniqueESSymbolType */)) {
- if (isValueSymbolAccessible(type.symbol, context.enclosingDeclaration)) {
- context.approximateLength += 6;
- return symbolToTypeNode(type.symbol, context, 111551 /* Value */);
- }
- if (context.tracker.reportInaccessibleUniqueSymbolError) {
- context.tracker.reportInaccessibleUniqueSymbolError();
- }
- }
- context.approximateLength += 13;
- return ts.createTypeOperatorNode(147 /* UniqueKeyword */, ts.createKeywordTypeNode(144 /* SymbolKeyword */));
- }
- if (type.flags & 16384 /* Void */) {
- context.approximateLength += 4;
- return ts.createKeywordTypeNode(110 /* VoidKeyword */);
- }
- if (type.flags & 32768 /* Undefined */) {
- context.approximateLength += 9;
- return ts.createKeywordTypeNode(146 /* UndefinedKeyword */);
- }
- if (type.flags & 65536 /* Null */) {
- context.approximateLength += 4;
- return ts.createKeywordTypeNode(100 /* NullKeyword */);
- }
- if (type.flags & 131072 /* Never */) {
- context.approximateLength += 5;
- return ts.createKeywordTypeNode(137 /* NeverKeyword */);
- }
- if (type.flags & 4096 /* ESSymbol */) {
- context.approximateLength += 6;
- return ts.createKeywordTypeNode(144 /* SymbolKeyword */);
- }
- if (type.flags & 67108864 /* NonPrimitive */) {
- context.approximateLength += 6;
- return ts.createKeywordTypeNode(141 /* ObjectKeyword */);
- }
- if (isThisTypeParameter(type)) {
- if (context.flags & 4194304 /* InObjectTypeLiteral */) {
- if (!context.encounteredError && !(context.flags & 32768 /* AllowThisInObjectLiteral */)) {
- context.encounteredError = true;
- }
- if (context.tracker.reportInaccessibleThisError) {
- context.tracker.reportInaccessibleThisError();
- }
- }
- context.approximateLength += 4;
- return ts.createThis();
- }
- if (!inTypeAlias && type.aliasSymbol && (context.flags & 16384 /* UseAliasDefinedOutsideCurrentScope */ || isTypeSymbolAccessible(type.aliasSymbol, context.enclosingDeclaration))) {
- var typeArgumentNodes = mapToTypeNodes(type.aliasTypeArguments, context);
- if (isReservedMemberName(type.aliasSymbol.escapedName) && !(type.aliasSymbol.flags & 32 /* Class */))
- return ts.createTypeReferenceNode(ts.createIdentifier(""), typeArgumentNodes);
- return symbolToTypeNode(type.aliasSymbol, context, 788968 /* Type */, typeArgumentNodes);
- }
- var objectFlags = ts.getObjectFlags(type);
- if (objectFlags & 4 /* Reference */) {
- ts.Debug.assert(!!(type.flags & 524288 /* Object */));
- return type.node ? visitAndTransformType(type, typeReferenceToTypeNode) : typeReferenceToTypeNode(type);
- }
- if (type.flags & 262144 /* TypeParameter */ || objectFlags & 3 /* ClassOrInterface */) {
- if (type.flags & 262144 /* TypeParameter */ && ts.contains(context.inferTypeParameters, type)) {
- context.approximateLength += (ts.symbolName(type.symbol).length + 6);
- return ts.createInferTypeNode(typeParameterToDeclarationWithConstraint(type, context, /*constraintNode*/ undefined));
- }
- if (context.flags & 4 /* GenerateNamesForShadowedTypeParams */ &&
- type.flags & 262144 /* TypeParameter */ &&
- !isTypeSymbolAccessible(type.symbol, context.enclosingDeclaration)) {
- var name = typeParameterToName(type, context);
- context.approximateLength += ts.idText(name).length;
- return ts.createTypeReferenceNode(ts.createIdentifier(ts.idText(name)), /*typeArguments*/ undefined);
- }
- // Ignore constraint/default when creating a usage (as opposed to declaration) of a type parameter.
- return type.symbol
- ? symbolToTypeNode(type.symbol, context, 788968 /* Type */)
- : ts.createTypeReferenceNode(ts.createIdentifier("?"), /*typeArguments*/ undefined);
- }
- if (type.flags & (1048576 /* Union */ | 2097152 /* Intersection */)) {
- var types = type.flags & 1048576 /* Union */ ? formatUnionTypes(type.types) : type.types;
- if (ts.length(types) === 1) {
- return typeToTypeNodeHelper(types[0], context);
- }
- var typeNodes = mapToTypeNodes(types, context, /*isBareList*/ true);
- if (typeNodes && typeNodes.length > 0) {
- var unionOrIntersectionTypeNode = ts.createUnionOrIntersectionTypeNode(type.flags & 1048576 /* Union */ ? 178 /* UnionType */ : 179 /* IntersectionType */, typeNodes);
- return unionOrIntersectionTypeNode;
- }
- else {
- if (!context.encounteredError && !(context.flags & 262144 /* AllowEmptyUnionOrIntersection */)) {
- context.encounteredError = true;
- }
- return undefined; // TODO: GH#18217
- }
- }
- if (objectFlags & (16 /* Anonymous */ | 32 /* Mapped */)) {
- ts.Debug.assert(!!(type.flags & 524288 /* Object */));
- // The type is an object literal type.
- return createAnonymousTypeNode(type);
- }
- if (type.flags & 4194304 /* Index */) {
- var indexedType = type.type;
- context.approximateLength += 6;
- var indexTypeNode = typeToTypeNodeHelper(indexedType, context);
- return ts.createTypeOperatorNode(indexTypeNode);
- }
- if (type.flags & 8388608 /* IndexedAccess */) {
- var objectTypeNode = typeToTypeNodeHelper(type.objectType, context);
- var indexTypeNode = typeToTypeNodeHelper(type.indexType, context);
- context.approximateLength += 2;
- return ts.createIndexedAccessTypeNode(objectTypeNode, indexTypeNode);
- }
- if (type.flags & 16777216 /* Conditional */) {
- var checkTypeNode = typeToTypeNodeHelper(type.checkType, context);
- var saveInferTypeParameters = context.inferTypeParameters;
- context.inferTypeParameters = type.root.inferTypeParameters;
- var extendsTypeNode = typeToTypeNodeHelper(type.extendsType, context);
- context.inferTypeParameters = saveInferTypeParameters;
- var trueTypeNode = typeToTypeNodeOrCircularityElision(getTrueTypeFromConditionalType(type));
- var falseTypeNode = typeToTypeNodeOrCircularityElision(getFalseTypeFromConditionalType(type));
- context.approximateLength += 15;
- return ts.createConditionalTypeNode(checkTypeNode, extendsTypeNode, trueTypeNode, falseTypeNode);
- }
- if (type.flags & 33554432 /* Substitution */) {
- return typeToTypeNodeHelper(type.baseType, context);
- }
- return ts.Debug.fail("Should be unreachable.");
- function typeToTypeNodeOrCircularityElision(type) {
- var _a, _b;
- if (type.flags & 1048576 /* Union */) {
- if (context.visitedTypes && context.visitedTypes.has("" + getTypeId(type))) {
- if (!(context.flags & 131072 /* AllowAnonymousIdentifier */)) {
- context.encounteredError = true;
- (_b = (_a = context.tracker) === null || _a === void 0 ? void 0 : _a.reportCyclicStructureError) === null || _b === void 0 ? void 0 : _b.call(_a);
- }
- return createElidedInformationPlaceholder(context);
- }
- return visitAndTransformType(type, function (type) { return typeToTypeNodeHelper(type, context); });
- }
- return typeToTypeNodeHelper(type, context);
- }
- function createMappedTypeNodeFromType(type) {
- ts.Debug.assert(!!(type.flags & 524288 /* Object */));
- var readonlyToken = type.declaration.readonlyToken ? ts.createToken(type.declaration.readonlyToken.kind) : undefined;
- var questionToken = type.declaration.questionToken ? ts.createToken(type.declaration.questionToken.kind) : undefined;
- var appropriateConstraintTypeNode;
- if (isMappedTypeWithKeyofConstraintDeclaration(type)) {
- // We have a { [P in keyof T]: X }
- // We do this to ensure we retain the toplevel keyof-ness of the type which may be lost due to keyof distribution during `getConstraintTypeFromMappedType`
- appropriateConstraintTypeNode = ts.createTypeOperatorNode(typeToTypeNodeHelper(getModifiersTypeFromMappedType(type), context));
- }
- else {
- appropriateConstraintTypeNode = typeToTypeNodeHelper(getConstraintTypeFromMappedType(type), context);
- }
- var typeParameterNode = typeParameterToDeclarationWithConstraint(getTypeParameterFromMappedType(type), context, appropriateConstraintTypeNode);
- var templateTypeNode = typeToTypeNodeHelper(getTemplateTypeFromMappedType(type), context);
- var mappedTypeNode = ts.createMappedTypeNode(readonlyToken, typeParameterNode, questionToken, templateTypeNode);
- context.approximateLength += 10;
- return ts.setEmitFlags(mappedTypeNode, 1 /* SingleLine */);
- }
- function createAnonymousTypeNode(type) {
- var typeId = "" + type.id;
- var symbol = type.symbol;
- if (symbol) {
- if (isJSConstructor(symbol.valueDeclaration)) {
- // Instance and static types share the same symbol; only add 'typeof' for the static side.
- var isInstanceType = type === getDeclaredTypeOfClassOrInterface(symbol) ? 788968 /* Type */ : 111551 /* Value */;
- return symbolToTypeNode(symbol, context, isInstanceType);
- }
- // Always use 'typeof T' for type of class, enum, and module objects
- else if (symbol.flags & 32 /* Class */ && !getBaseTypeVariableOfClass(symbol) && !(symbol.valueDeclaration.kind === 214 /* ClassExpression */ && context.flags & 2048 /* WriteClassExpressionAsTypeLiteral */) ||
- symbol.flags & (384 /* Enum */ | 512 /* ValueModule */) ||
- shouldWriteTypeOfFunctionSymbol()) {
- return symbolToTypeNode(symbol, context, 111551 /* Value */);
- }
- else if (context.visitedTypes && context.visitedTypes.has(typeId)) {
- // If type is an anonymous type literal in a type alias declaration, use type alias name
- var typeAlias = getTypeAliasForTypeLiteral(type);
- if (typeAlias) {
- // The specified symbol flags need to be reinterpreted as type flags
- return symbolToTypeNode(typeAlias, context, 788968 /* Type */);
- }
- else {
- return createElidedInformationPlaceholder(context);
- }
- }
- else {
- return visitAndTransformType(type, createTypeNodeFromObjectType);
- }
- }
- else {
- // Anonymous types without a symbol are never circular.
- return createTypeNodeFromObjectType(type);
- }
- function shouldWriteTypeOfFunctionSymbol() {
- var isStaticMethodSymbol = !!(symbol.flags & 8192 /* Method */) && // typeof static method
- ts.some(symbol.declarations, function (declaration) { return ts.hasModifier(declaration, 32 /* Static */); });
- var isNonLocalFunctionSymbol = !!(symbol.flags & 16 /* Function */) &&
- (symbol.parent || // is exported function symbol
- ts.forEach(symbol.declarations, function (declaration) {
- return declaration.parent.kind === 290 /* SourceFile */ || declaration.parent.kind === 250 /* ModuleBlock */;
- }));
- if (isStaticMethodSymbol || isNonLocalFunctionSymbol) {
- // typeof is allowed only for static/non local functions
- return (!!(context.flags & 4096 /* UseTypeOfFunction */) || (context.visitedTypes && context.visitedTypes.has(typeId))) && // it is type of the symbol uses itself recursively
- (!(context.flags & 8 /* UseStructuralFallback */) || isValueSymbolAccessible(symbol, context.enclosingDeclaration)); // And the build is going to succeed without visibility error or there is no structural fallback allowed
- }
- }
- }
- function visitAndTransformType(type, transform) {
- var typeId = "" + type.id;
- var isConstructorObject = ts.getObjectFlags(type) & 16 /* Anonymous */ && type.symbol && type.symbol.flags & 32 /* Class */;
- var id = ts.getObjectFlags(type) & 4 /* Reference */ && type.node ? "N" + getNodeId(type.node) :
- type.symbol ? (isConstructorObject ? "+" : "") + getSymbolId(type.symbol) :
- undefined;
- // Since instantiations of the same anonymous type have the same symbol, tracking symbols instead
- // of types allows us to catch circular references to instantiations of the same anonymous type
- if (!context.visitedTypes) {
- context.visitedTypes = ts.createMap();
- }
- if (id && !context.symbolDepth) {
- context.symbolDepth = ts.createMap();
- }
- var depth;
- if (id) {
- depth = context.symbolDepth.get(id) || 0;
- if (depth > 10) {
- return createElidedInformationPlaceholder(context);
- }
- context.symbolDepth.set(id, depth + 1);
- }
- context.visitedTypes.set(typeId, true);
- var result = transform(type);
- context.visitedTypes.delete(typeId);
- if (id) {
- context.symbolDepth.set(id, depth);
- }
- return result;
- }
- function createTypeNodeFromObjectType(type) {
- if (isGenericMappedType(type)) {
- return createMappedTypeNodeFromType(type);
- }
- var resolved = resolveStructuredTypeMembers(type);
- if (!resolved.properties.length && !resolved.stringIndexInfo && !resolved.numberIndexInfo) {
- if (!resolved.callSignatures.length && !resolved.constructSignatures.length) {
- context.approximateLength += 2;
- return ts.setEmitFlags(ts.createTypeLiteralNode(/*members*/ undefined), 1 /* SingleLine */);
- }
- if (resolved.callSignatures.length === 1 && !resolved.constructSignatures.length) {
- var signature = resolved.callSignatures[0];
- var signatureNode = signatureToSignatureDeclarationHelper(signature, 170 /* FunctionType */, context);
- return signatureNode;
- }
- if (resolved.constructSignatures.length === 1 && !resolved.callSignatures.length) {
- var signature = resolved.constructSignatures[0];
- var signatureNode = signatureToSignatureDeclarationHelper(signature, 171 /* ConstructorType */, context);
- return signatureNode;
- }
- }
- var savedFlags = context.flags;
- context.flags |= 4194304 /* InObjectTypeLiteral */;
- var members = createTypeNodesFromResolvedType(resolved);
- context.flags = savedFlags;
- var typeLiteralNode = ts.createTypeLiteralNode(members);
- context.approximateLength += 2;
- return ts.setEmitFlags(typeLiteralNode, (context.flags & 1024 /* MultilineObjectLiterals */) ? 0 : 1 /* SingleLine */);
- }
- function typeReferenceToTypeNode(type) {
- var typeArguments = getTypeArguments(type);
- if (type.target === globalArrayType || type.target === globalReadonlyArrayType) {
- if (context.flags & 2 /* WriteArrayAsGenericType */) {
- var typeArgumentNode = typeToTypeNodeHelper(typeArguments[0], context);
- return ts.createTypeReferenceNode(type.target === globalArrayType ? "Array" : "ReadonlyArray", [typeArgumentNode]);
- }
- var elementType = typeToTypeNodeHelper(typeArguments[0], context);
- var arrayType = ts.createArrayTypeNode(elementType);
- return type.target === globalArrayType ? arrayType : ts.createTypeOperatorNode(138 /* ReadonlyKeyword */, arrayType);
- }
- else if (type.target.objectFlags & 8 /* Tuple */) {
- if (typeArguments.length > 0) {
- var arity = getTypeReferenceArity(type);
- var tupleConstituentNodes = mapToTypeNodes(typeArguments.slice(0, arity), context);
- var hasRestElement = type.target.hasRestElement;
- if (tupleConstituentNodes) {
- for (var i = type.target.minLength; i < Math.min(arity, tupleConstituentNodes.length); i++) {
- tupleConstituentNodes[i] = hasRestElement && i === arity - 1 ?
- ts.createRestTypeNode(ts.createArrayTypeNode(tupleConstituentNodes[i])) :
- ts.createOptionalTypeNode(tupleConstituentNodes[i]);
- }
- var tupleTypeNode = ts.createTupleTypeNode(tupleConstituentNodes);
- return type.target.readonly ? ts.createTypeOperatorNode(138 /* ReadonlyKeyword */, tupleTypeNode) : tupleTypeNode;
- }
- }
- if (context.encounteredError || (context.flags & 524288 /* AllowEmptyTuple */)) {
- var tupleTypeNode = ts.createTupleTypeNode([]);
- return type.target.readonly ? ts.createTypeOperatorNode(138 /* ReadonlyKeyword */, tupleTypeNode) : tupleTypeNode;
- }
- context.encounteredError = true;
- return undefined; // TODO: GH#18217
- }
- else if (context.flags & 2048 /* WriteClassExpressionAsTypeLiteral */ &&
- type.symbol.valueDeclaration &&
- ts.isClassLike(type.symbol.valueDeclaration) &&
- !isValueSymbolAccessible(type.symbol, context.enclosingDeclaration)) {
- return createAnonymousTypeNode(type);
- }
- else {
- var outerTypeParameters = type.target.outerTypeParameters;
- var i = 0;
- var resultType = void 0;
- if (outerTypeParameters) {
- var length_2 = outerTypeParameters.length;
- while (i < length_2) {
- // Find group of type arguments for type parameters with the same declaring container.
- var start = i;
- var parent = getParentSymbolOfTypeParameter(outerTypeParameters[i]);
- do {
- i++;
- } while (i < length_2 && getParentSymbolOfTypeParameter(outerTypeParameters[i]) === parent);
- // When type parameters are their own type arguments for the whole group (i.e. we have
- // the default outer type arguments), we don't show the group.
- if (!ts.rangeEquals(outerTypeParameters, typeArguments, start, i)) {
- var typeArgumentSlice = mapToTypeNodes(typeArguments.slice(start, i), context);
- var flags_2 = context.flags;
- context.flags |= 16 /* ForbidIndexedAccessSymbolReferences */;
- var ref = symbolToTypeNode(parent, context, 788968 /* Type */, typeArgumentSlice);
- context.flags = flags_2;
- resultType = !resultType ? ref : appendReferenceToType(resultType, ref);
- }
- }
- }
- var typeArgumentNodes = void 0;
- if (typeArguments.length > 0) {
- var typeParameterCount = (type.target.typeParameters || ts.emptyArray).length;
- typeArgumentNodes = mapToTypeNodes(typeArguments.slice(i, typeParameterCount), context);
- }
- var flags = context.flags;
- context.flags |= 16 /* ForbidIndexedAccessSymbolReferences */;
- var finalRef = symbolToTypeNode(type.symbol, context, 788968 /* Type */, typeArgumentNodes);
- context.flags = flags;
- return !resultType ? finalRef : appendReferenceToType(resultType, finalRef);
- }
- }
- function appendReferenceToType(root, ref) {
- if (ts.isImportTypeNode(root)) {
- // first shift type arguments
- var innerParams = root.typeArguments;
- if (root.qualifier) {
- (ts.isIdentifier(root.qualifier) ? root.qualifier : root.qualifier.right).typeArguments = innerParams;
- }
- root.typeArguments = ref.typeArguments;
- // then move qualifiers
- var ids = getAccessStack(ref);
- for (var _i = 0, ids_1 = ids; _i < ids_1.length; _i++) {
- var id = ids_1[_i];
- root.qualifier = root.qualifier ? ts.createQualifiedName(root.qualifier, id) : id;
- }
- return root;
- }
- else {
- // first shift type arguments
- var innerParams = root.typeArguments;
- (ts.isIdentifier(root.typeName) ? root.typeName : root.typeName.right).typeArguments = innerParams;
- root.typeArguments = ref.typeArguments;
- // then move qualifiers
- var ids = getAccessStack(ref);
- for (var _a = 0, ids_2 = ids; _a < ids_2.length; _a++) {
- var id = ids_2[_a];
- root.typeName = ts.createQualifiedName(root.typeName, id);
- }
- return root;
- }
- }
- function getAccessStack(ref) {
- var state = ref.typeName;
- var ids = [];
- while (!ts.isIdentifier(state)) {
- ids.unshift(state.right);
- state = state.left;
- }
- ids.unshift(state);
- return ids;
- }
- function createTypeNodesFromResolvedType(resolvedType) {
- if (checkTruncationLength(context)) {
- return [ts.createPropertySignature(/*modifiers*/ undefined, "...", /*questionToken*/ undefined, /*type*/ undefined, /*initializer*/ undefined)];
- }
- var typeElements = [];
- for (var _i = 0, _a = resolvedType.callSignatures; _i < _a.length; _i++) {
- var signature = _a[_i];
- typeElements.push(signatureToSignatureDeclarationHelper(signature, 165 /* CallSignature */, context));
- }
- for (var _b = 0, _c = resolvedType.constructSignatures; _b < _c.length; _b++) {
- var signature = _c[_b];
- typeElements.push(signatureToSignatureDeclarationHelper(signature, 166 /* ConstructSignature */, context));
- }
- if (resolvedType.stringIndexInfo) {
- var indexSignature = void 0;
- if (resolvedType.objectFlags & 2048 /* ReverseMapped */) {
- indexSignature = indexInfoToIndexSignatureDeclarationHelper(createIndexInfo(anyType, resolvedType.stringIndexInfo.isReadonly, resolvedType.stringIndexInfo.declaration), 0 /* String */, context);
- indexSignature.type = createElidedInformationPlaceholder(context);
- }
- else {
- indexSignature = indexInfoToIndexSignatureDeclarationHelper(resolvedType.stringIndexInfo, 0 /* String */, context);
- }
- typeElements.push(indexSignature);
- }
- if (resolvedType.numberIndexInfo) {
- typeElements.push(indexInfoToIndexSignatureDeclarationHelper(resolvedType.numberIndexInfo, 1 /* Number */, context));
- }
- var properties = resolvedType.properties;
- if (!properties) {
- return typeElements;
- }
- var i = 0;
- for (var _d = 0, properties_1 = properties; _d < properties_1.length; _d++) {
- var propertySymbol = properties_1[_d];
- i++;
- if (context.flags & 2048 /* WriteClassExpressionAsTypeLiteral */) {
- if (propertySymbol.flags & 4194304 /* Prototype */) {
- continue;
- }
- if (ts.getDeclarationModifierFlagsFromSymbol(propertySymbol) & (8 /* Private */ | 16 /* Protected */) && context.tracker.reportPrivateInBaseOfClassExpression) {
- context.tracker.reportPrivateInBaseOfClassExpression(ts.unescapeLeadingUnderscores(propertySymbol.escapedName));
- }
- }
- if (checkTruncationLength(context) && (i + 2 < properties.length - 1)) {
- typeElements.push(ts.createPropertySignature(/*modifiers*/ undefined, "... " + (properties.length - i) + " more ...", /*questionToken*/ undefined, /*type*/ undefined, /*initializer*/ undefined));
- addPropertyToElementList(properties[properties.length - 1], context, typeElements);
- break;
- }
- addPropertyToElementList(propertySymbol, context, typeElements);
- }
- return typeElements.length ? typeElements : undefined;
- }
- }
- function createElidedInformationPlaceholder(context) {
- context.approximateLength += 3;
- if (!(context.flags & 1 /* NoTruncation */)) {
- return ts.createTypeReferenceNode(ts.createIdentifier("..."), /*typeArguments*/ undefined);
- }
- return ts.createKeywordTypeNode(125 /* AnyKeyword */);
- }
- function addPropertyToElementList(propertySymbol, context, typeElements) {
- var propertyIsReverseMapped = !!(ts.getCheckFlags(propertySymbol) & 8192 /* ReverseMapped */);
- var propertyType = propertyIsReverseMapped && context.flags & 33554432 /* InReverseMappedType */ ?
- anyType : getTypeOfSymbol(propertySymbol);
- var saveEnclosingDeclaration = context.enclosingDeclaration;
- context.enclosingDeclaration = undefined;
- if (context.tracker.trackSymbol && ts.getCheckFlags(propertySymbol) & 4096 /* Late */) {
- var decl = ts.first(propertySymbol.declarations);
- if (hasLateBindableName(decl)) {
- if (ts.isBinaryExpression(decl)) {
- var name = ts.getNameOfDeclaration(decl);
- if (name && ts.isElementAccessExpression(name) && ts.isPropertyAccessEntityNameExpression(name.argumentExpression)) {
- trackComputedName(name.argumentExpression, saveEnclosingDeclaration, context);
- }
- }
- else {
- trackComputedName(decl.name.expression, saveEnclosingDeclaration, context);
- }
- }
- }
- context.enclosingDeclaration = saveEnclosingDeclaration;
- var propertyName = getPropertyNameNodeForSymbol(propertySymbol, context);
- context.approximateLength += (ts.symbolName(propertySymbol).length + 1);
- var optionalToken = propertySymbol.flags & 16777216 /* Optional */ ? ts.createToken(57 /* QuestionToken */) : undefined;
- if (propertySymbol.flags & (16 /* Function */ | 8192 /* Method */) && !getPropertiesOfObjectType(propertyType).length && !isReadonlySymbol(propertySymbol)) {
- var signatures = getSignaturesOfType(filterType(propertyType, function (t) { return !(t.flags & 32768 /* Undefined */); }), 0 /* Call */);
- for (var _i = 0, signatures_1 = signatures; _i < signatures_1.length; _i++) {
- var signature = signatures_1[_i];
- var methodDeclaration = signatureToSignatureDeclarationHelper(signature, 160 /* MethodSignature */, context);
- methodDeclaration.name = propertyName;
- methodDeclaration.questionToken = optionalToken;
- typeElements.push(preserveCommentsOn(methodDeclaration));
- }
- }
- else {
- var savedFlags = context.flags;
- context.flags |= propertyIsReverseMapped ? 33554432 /* InReverseMappedType */ : 0;
- var propertyTypeNode = void 0;
- if (propertyIsReverseMapped && !!(savedFlags & 33554432 /* InReverseMappedType */)) {
- propertyTypeNode = createElidedInformationPlaceholder(context);
- }
- else {
- propertyTypeNode = propertyType ? serializeTypeForDeclaration(context, propertyType, propertySymbol, saveEnclosingDeclaration) : ts.createKeywordTypeNode(125 /* AnyKeyword */);
- }
- context.flags = savedFlags;
- var modifiers = isReadonlySymbol(propertySymbol) ? [ts.createToken(138 /* ReadonlyKeyword */)] : undefined;
- if (modifiers) {
- context.approximateLength += 9;
- }
- var propertySignature = ts.createPropertySignature(modifiers, propertyName, optionalToken, propertyTypeNode,
- /*initializer*/ undefined);
- typeElements.push(preserveCommentsOn(propertySignature));
- }
- function preserveCommentsOn(node) {
- if (ts.some(propertySymbol.declarations, function (d) { return d.kind === 323 /* JSDocPropertyTag */; })) {
- var d = ts.find(propertySymbol.declarations, function (d) { return d.kind === 323 /* JSDocPropertyTag */; });
- var commentText = d.comment;
- if (commentText) {
- ts.setSyntheticLeadingComments(node, [{ kind: 3 /* MultiLineCommentTrivia */, text: "*\n * " + commentText.replace(/\n/g, "\n * ") + "\n ", pos: -1, end: -1, hasTrailingNewLine: true }]);
- }
- }
- else if (propertySymbol.valueDeclaration) {
- // Copy comments to node for declaration emit
- ts.setCommentRange(node, propertySymbol.valueDeclaration);
- }
- return node;
- }
- }
- function mapToTypeNodes(types, context, isBareList) {
- if (ts.some(types)) {
- if (checkTruncationLength(context)) {
- if (!isBareList) {
- return [ts.createTypeReferenceNode("...", /*typeArguments*/ undefined)];
- }
- else if (types.length > 2) {
- return [
- typeToTypeNodeHelper(types[0], context),
- ts.createTypeReferenceNode("... " + (types.length - 2) + " more ...", /*typeArguments*/ undefined),
- typeToTypeNodeHelper(types[types.length - 1], context)
- ];
- }
- }
- var mayHaveNameCollisions = !(context.flags & 64 /* UseFullyQualifiedType */);
- /** Map from type reference identifier text to [type, index in `result` where the type node is] */
- var seenNames = mayHaveNameCollisions ? ts.createUnderscoreEscapedMultiMap() : undefined;
- var result_3 = [];
- var i = 0;
- for (var _i = 0, types_1 = types; _i < types_1.length; _i++) {
- var type = types_1[_i];
- i++;
- if (checkTruncationLength(context) && (i + 2 < types.length - 1)) {
- result_3.push(ts.createTypeReferenceNode("... " + (types.length - i) + " more ...", /*typeArguments*/ undefined));
- var typeNode_1 = typeToTypeNodeHelper(types[types.length - 1], context);
- if (typeNode_1) {
- result_3.push(typeNode_1);
- }
- break;
- }
- context.approximateLength += 2; // Account for whitespace + separator
- var typeNode = typeToTypeNodeHelper(type, context);
- if (typeNode) {
- result_3.push(typeNode);
- if (seenNames && ts.isIdentifierTypeReference(typeNode)) {
- seenNames.add(typeNode.typeName.escapedText, [type, result_3.length - 1]);
- }
- }
- }
- if (seenNames) {
- // To avoid printing types like `[Foo, Foo]` or `Bar & Bar` where
- // occurrences of the same name actually come from different
- // namespaces, go through the single-identifier type reference nodes
- // we just generated, and see if any names were generated more than
- // once while referring to different types. If so, regenerate the
- // type node for each entry by that name with the
- // `UseFullyQualifiedType` flag enabled.
- var saveContextFlags = context.flags;
- context.flags |= 64 /* UseFullyQualifiedType */;
- seenNames.forEach(function (types) {
- if (!ts.arrayIsHomogeneous(types, function (_a, _b) {
- var a = _a[0];
- var b = _b[0];
- return typesAreSameReference(a, b);
- })) {
- for (var _i = 0, types_2 = types; _i < types_2.length; _i++) {
- var _a = types_2[_i], type = _a[0], resultIndex = _a[1];
- result_3[resultIndex] = typeToTypeNodeHelper(type, context);
- }
- }
- });
- context.flags = saveContextFlags;
- }
- return result_3;
- }
- }
- function typesAreSameReference(a, b) {
- return a === b
- || !!a.symbol && a.symbol === b.symbol
- || !!a.aliasSymbol && a.aliasSymbol === b.aliasSymbol;
- }
- function indexInfoToIndexSignatureDeclarationHelper(indexInfo, kind, context) {
- var name = ts.getNameFromIndexInfo(indexInfo) || "x";
- var indexerTypeNode = ts.createKeywordTypeNode(kind === 0 /* String */ ? 143 /* StringKeyword */ : 140 /* NumberKeyword */);
- var indexingParameter = ts.createParameter(
- /*decorators*/ undefined,
- /*modifiers*/ undefined,
- /*dotDotDotToken*/ undefined, name,
- /*questionToken*/ undefined, indexerTypeNode,
- /*initializer*/ undefined);
- var typeNode = typeToTypeNodeHelper(indexInfo.type || anyType, context);
- if (!indexInfo.type && !(context.flags & 2097152 /* AllowEmptyIndexInfoType */)) {
- context.encounteredError = true;
- }
- context.approximateLength += (name.length + 4);
- return ts.createIndexSignature(
- /*decorators*/ undefined, indexInfo.isReadonly ? [ts.createToken(138 /* ReadonlyKeyword */)] : undefined, [indexingParameter], typeNode);
- }
- function signatureToSignatureDeclarationHelper(signature, kind, context, privateSymbolVisitor, bundledImports) {
- var suppressAny = context.flags & 256 /* SuppressAnyReturnType */;
- if (suppressAny)
- context.flags &= ~256 /* SuppressAnyReturnType */; // suppress only toplevel `any`s
- var typeParameters;
- var typeArguments;
- if (context.flags & 32 /* WriteTypeArgumentsOfSignature */ && signature.target && signature.mapper && signature.target.typeParameters) {
- typeArguments = signature.target.typeParameters.map(function (parameter) { return typeToTypeNodeHelper(instantiateType(parameter, signature.mapper), context); });
- }
- else {
- typeParameters = signature.typeParameters && signature.typeParameters.map(function (parameter) { return typeParameterToDeclaration(parameter, context); });
- }
- var parameters = getExpandedParameters(signature).map(function (parameter) { return symbolToParameterDeclaration(parameter, context, kind === 162 /* Constructor */, privateSymbolVisitor, bundledImports); });
- if (signature.thisParameter) {
- var thisParameter = symbolToParameterDeclaration(signature.thisParameter, context);
- parameters.unshift(thisParameter);
- }
- var returnTypeNode;
- var typePredicate = getTypePredicateOfSignature(signature);
- if (typePredicate) {
- var assertsModifier = typePredicate.kind === 2 /* AssertsThis */ || typePredicate.kind === 3 /* AssertsIdentifier */ ?
- ts.createToken(124 /* AssertsKeyword */) :
- undefined;
- var parameterName = typePredicate.kind === 1 /* Identifier */ || typePredicate.kind === 3 /* AssertsIdentifier */ ?
- ts.setEmitFlags(ts.createIdentifier(typePredicate.parameterName), 16777216 /* NoAsciiEscaping */) :
- ts.createThisTypeNode();
- var typeNode = typePredicate.type && typeToTypeNodeHelper(typePredicate.type, context);
- returnTypeNode = ts.createTypePredicateNodeWithModifier(assertsModifier, parameterName, typeNode);
- }
- else {
- var returnType = getReturnTypeOfSignature(signature);
- if (returnType && !(suppressAny && isTypeAny(returnType))) {
- returnTypeNode = serializeReturnTypeForSignature(context, returnType, signature, privateSymbolVisitor, bundledImports);
- }
- else if (!suppressAny) {
- returnTypeNode = ts.createKeywordTypeNode(125 /* AnyKeyword */);
- }
- }
- context.approximateLength += 3; // Usually a signature contributes a few more characters than this, but 3 is the minimum
- return ts.createSignatureDeclaration(kind, typeParameters, parameters, returnTypeNode, typeArguments);
- }
- function typeParameterToDeclarationWithConstraint(type, context, constraintNode) {
- var savedContextFlags = context.flags;
- context.flags &= ~512 /* WriteTypeParametersInQualifiedName */; // Avoids potential infinite loop when building for a claimspace with a generic
- var name = typeParameterToName(type, context);
- var defaultParameter = getDefaultFromTypeParameter(type);
- var defaultParameterNode = defaultParameter && typeToTypeNodeHelper(defaultParameter, context);
- context.flags = savedContextFlags;
- return ts.createTypeParameterDeclaration(name, constraintNode, defaultParameterNode);
- }
- function typeParameterToDeclaration(type, context, constraint) {
- if (constraint === void 0) { constraint = getConstraintOfTypeParameter(type); }
- var constraintNode = constraint && typeToTypeNodeHelper(constraint, context);
- return typeParameterToDeclarationWithConstraint(type, context, constraintNode);
- }
- function symbolToParameterDeclaration(parameterSymbol, context, preserveModifierFlags, privateSymbolVisitor, bundledImports) {
- var parameterDeclaration = ts.getDeclarationOfKind(parameterSymbol, 156 /* Parameter */);
- if (!parameterDeclaration && !ts.isTransientSymbol(parameterSymbol)) {
- parameterDeclaration = ts.getDeclarationOfKind(parameterSymbol, 317 /* JSDocParameterTag */);
- }
- var parameterType = getTypeOfSymbol(parameterSymbol);
- if (parameterDeclaration && isRequiredInitializedParameter(parameterDeclaration)) {
- parameterType = getOptionalType(parameterType);
- }
- var parameterTypeNode = serializeTypeForDeclaration(context, parameterType, parameterSymbol, context.enclosingDeclaration, privateSymbolVisitor, bundledImports);
- var modifiers = !(context.flags & 8192 /* OmitParameterModifiers */) && preserveModifierFlags && parameterDeclaration && parameterDeclaration.modifiers ? parameterDeclaration.modifiers.map(ts.getSynthesizedClone) : undefined;
- var isRest = parameterDeclaration && ts.isRestParameter(parameterDeclaration) || ts.getCheckFlags(parameterSymbol) & 32768 /* RestParameter */;
- var dotDotDotToken = isRest ? ts.createToken(25 /* DotDotDotToken */) : undefined;
- var name = parameterDeclaration ? parameterDeclaration.name ?
- parameterDeclaration.name.kind === 75 /* Identifier */ ? ts.setEmitFlags(ts.getSynthesizedClone(parameterDeclaration.name), 16777216 /* NoAsciiEscaping */) :
- parameterDeclaration.name.kind === 153 /* QualifiedName */ ? ts.setEmitFlags(ts.getSynthesizedClone(parameterDeclaration.name.right), 16777216 /* NoAsciiEscaping */) :
- cloneBindingName(parameterDeclaration.name) :
- ts.symbolName(parameterSymbol) :
- ts.symbolName(parameterSymbol);
- var isOptional = parameterDeclaration && isOptionalParameter(parameterDeclaration) || ts.getCheckFlags(parameterSymbol) & 16384 /* OptionalParameter */;
- var questionToken = isOptional ? ts.createToken(57 /* QuestionToken */) : undefined;
- var parameterNode = ts.createParameter(
- /*decorators*/ undefined, modifiers, dotDotDotToken, name, questionToken, parameterTypeNode,
- /*initializer*/ undefined);
- context.approximateLength += ts.symbolName(parameterSymbol).length + 3;
- return parameterNode;
- function cloneBindingName(node) {
- return elideInitializerAndSetEmitFlags(node);
- function elideInitializerAndSetEmitFlags(node) {
- if (context.tracker.trackSymbol && ts.isComputedPropertyName(node) && isLateBindableName(node)) {
- trackComputedName(node.expression, context.enclosingDeclaration, context);
- }
- var visited = ts.visitEachChild(node, elideInitializerAndSetEmitFlags, ts.nullTransformationContext, /*nodesVisitor*/ undefined, elideInitializerAndSetEmitFlags);
- var clone = ts.nodeIsSynthesized(visited) ? visited : ts.getSynthesizedClone(visited);
- if (clone.kind === 191 /* BindingElement */) {
- clone.initializer = undefined;
- }
- return ts.setEmitFlags(clone, 1 /* SingleLine */ | 16777216 /* NoAsciiEscaping */);
- }
- }
- }
- function trackComputedName(accessExpression, enclosingDeclaration, context) {
- if (!context.tracker.trackSymbol)
- return;
- // get symbol of the first identifier of the entityName
- var firstIdentifier = ts.getFirstIdentifier(accessExpression);
- var name = resolveName(firstIdentifier, firstIdentifier.escapedText, 111551 /* Value */ | 1048576 /* ExportValue */, /*nodeNotFoundErrorMessage*/ undefined, /*nameArg*/ undefined, /*isUse*/ true);
- if (name) {
- context.tracker.trackSymbol(name, enclosingDeclaration, 111551 /* Value */);
- }
- }
- function lookupSymbolChain(symbol, context, meaning, yieldModuleSymbol) {
- context.tracker.trackSymbol(symbol, context.enclosingDeclaration, meaning); // TODO: GH#18217
- return lookupSymbolChainWorker(symbol, context, meaning, yieldModuleSymbol);
- }
- function lookupSymbolChainWorker(symbol, context, meaning, yieldModuleSymbol) {
- // Try to get qualified name if the symbol is not a type parameter and there is an enclosing declaration.
- var chain;
- var isTypeParameter = symbol.flags & 262144 /* TypeParameter */;
- if (!isTypeParameter && (context.enclosingDeclaration || context.flags & 64 /* UseFullyQualifiedType */) && !(context.flags & 134217728 /* DoNotIncludeSymbolChain */)) {
- chain = ts.Debug.checkDefined(getSymbolChain(symbol, meaning, /*endOfChain*/ true));
- ts.Debug.assert(chain && chain.length > 0);
- }
- else {
- chain = [symbol];
- }
- return chain;
- /** @param endOfChain Set to false for recursive calls; non-recursive calls should always output something. */
- function getSymbolChain(symbol, meaning, endOfChain) {
- var accessibleSymbolChain = getAccessibleSymbolChain(symbol, context.enclosingDeclaration, meaning, !!(context.flags & 128 /* UseOnlyExternalAliasing */));
- var parentSpecifiers;
- if (!accessibleSymbolChain ||
- needsQualification(accessibleSymbolChain[0], context.enclosingDeclaration, accessibleSymbolChain.length === 1 ? meaning : getQualifiedLeftMeaning(meaning))) {
- // Go up and add our parent.
- var parents_1 = getContainersOfSymbol(accessibleSymbolChain ? accessibleSymbolChain[0] : symbol, context.enclosingDeclaration);
- if (ts.length(parents_1)) {
- parentSpecifiers = parents_1.map(function (symbol) {
- return ts.some(symbol.declarations, hasNonGlobalAugmentationExternalModuleSymbol)
- ? getSpecifierForModuleSymbol(symbol, context)
- : undefined;
- });
- var indices = parents_1.map(function (_, i) { return i; });
- indices.sort(sortByBestName);
- var sortedParents = indices.map(function (i) { return parents_1[i]; });
- for (var _i = 0, sortedParents_1 = sortedParents; _i < sortedParents_1.length; _i++) {
- var parent = sortedParents_1[_i];
- var parentChain = getSymbolChain(parent, getQualifiedLeftMeaning(meaning), /*endOfChain*/ false);
- if (parentChain) {
- if (parent.exports && parent.exports.get("export=" /* ExportEquals */) &&
- getSymbolIfSameReference(parent.exports.get("export=" /* ExportEquals */), symbol)) {
- // parentChain root _is_ symbol - symbol is a module export=, so it kinda looks like it's own parent
- // No need to lookup an alias for the symbol in itself
- accessibleSymbolChain = parentChain;
- break;
- }
- accessibleSymbolChain = parentChain.concat(accessibleSymbolChain || [getAliasForSymbolInContainer(parent, symbol) || symbol]);
- break;
- }
- }
- }
- }
- if (accessibleSymbolChain) {
- return accessibleSymbolChain;
- }
- if (
- // If this is the last part of outputting the symbol, always output. The cases apply only to parent symbols.
- endOfChain ||
- // If a parent symbol is an anonymous type, don't write it.
- !(symbol.flags & (2048 /* TypeLiteral */ | 4096 /* ObjectLiteral */))) {
- // If a parent symbol is an external module, don't write it. (We prefer just `x` vs `"foo/bar".x`.)
- if (!endOfChain && !yieldModuleSymbol && !!ts.forEach(symbol.declarations, hasNonGlobalAugmentationExternalModuleSymbol)) {
- return;
- }
- return [symbol];
- }
- function sortByBestName(a, b) {
- var specifierA = parentSpecifiers[a];
- var specifierB = parentSpecifiers[b];
- if (specifierA && specifierB) {
- var isBRelative = ts.pathIsRelative(specifierB);
- if (ts.pathIsRelative(specifierA) === isBRelative) {
- // Both relative or both non-relative, sort by number of parts
- return ts.moduleSpecifiers.countPathComponents(specifierA) - ts.moduleSpecifiers.countPathComponents(specifierB);
- }
- if (isBRelative) {
- // A is non-relative, B is relative: prefer A
- return -1;
- }
- // A is relative, B is non-relative: prefer B
- return 1;
- }
- return 0;
- }
- }
- }
- function typeParametersToTypeParameterDeclarations(symbol, context) {
- var typeParameterNodes;
- var targetSymbol = getTargetSymbol(symbol);
- if (targetSymbol.flags & (32 /* Class */ | 64 /* Interface */ | 524288 /* TypeAlias */)) {
- typeParameterNodes = ts.createNodeArray(ts.map(getLocalTypeParametersOfClassOrInterfaceOrTypeAlias(symbol), function (tp) { return typeParameterToDeclaration(tp, context); }));
- }
- return typeParameterNodes;
- }
- function lookupTypeParameterNodes(chain, index, context) {
- ts.Debug.assert(chain && 0 <= index && index < chain.length);
- var symbol = chain[index];
- var symbolId = "" + getSymbolId(symbol);
- if (context.typeParameterSymbolList && context.typeParameterSymbolList.get(symbolId)) {
- return undefined;
- }
- (context.typeParameterSymbolList || (context.typeParameterSymbolList = ts.createMap())).set(symbolId, true);
- var typeParameterNodes;
- if (context.flags & 512 /* WriteTypeParametersInQualifiedName */ && index < (chain.length - 1)) {
- var parentSymbol = symbol;
- var nextSymbol_1 = chain[index + 1];
- if (ts.getCheckFlags(nextSymbol_1) & 1 /* Instantiated */) {
- var params = getTypeParametersOfClassOrInterface(parentSymbol.flags & 2097152 /* Alias */ ? resolveAlias(parentSymbol) : parentSymbol);
- typeParameterNodes = mapToTypeNodes(ts.map(params, function (t) { return getMappedType(t, nextSymbol_1.mapper); }), context);
- }
- else {
- typeParameterNodes = typeParametersToTypeParameterDeclarations(symbol, context);
- }
- }
- return typeParameterNodes;
- }
- /**
- * Given A[B][C][D], finds A[B]
- */
- function getTopmostIndexedAccessType(top) {
- if (ts.isIndexedAccessTypeNode(top.objectType)) {
- return getTopmostIndexedAccessType(top.objectType);
- }
- return top;
- }
- function getSpecifierForModuleSymbol(symbol, context) {
- var file = ts.getDeclarationOfKind(symbol, 290 /* SourceFile */);
- if (!file) {
- var equivalentFileSymbol = ts.firstDefined(symbol.declarations, function (d) { return getFileSymbolIfFileSymbolExportEqualsContainer(d, symbol); });
- if (equivalentFileSymbol) {
- file = ts.getDeclarationOfKind(equivalentFileSymbol, 290 /* SourceFile */);
- }
- }
- if (file && file.moduleName !== undefined) {
- // Use the amd name if it is available
- return file.moduleName;
- }
- if (!file) {
- if (context.tracker.trackReferencedAmbientModule) {
- var ambientDecls = ts.filter(symbol.declarations, ts.isAmbientModule);
- if (ts.length(ambientDecls)) {
- for (var _i = 0, ambientDecls_1 = ambientDecls; _i < ambientDecls_1.length; _i++) {
- var decl = ambientDecls_1[_i];
- context.tracker.trackReferencedAmbientModule(decl, symbol);
- }
- }
- }
- if (ambientModuleSymbolRegex.test(symbol.escapedName)) {
- return symbol.escapedName.substring(1, symbol.escapedName.length - 1);
- }
- }
- if (!context.enclosingDeclaration || !context.tracker.moduleResolverHost) {
- // If there's no context declaration, we can't lookup a non-ambient specifier, so we just use the symbol name
- if (ambientModuleSymbolRegex.test(symbol.escapedName)) {
- return symbol.escapedName.substring(1, symbol.escapedName.length - 1);
- }
- return ts.getSourceFileOfNode(ts.getNonAugmentationDeclaration(symbol)).fileName; // A resolver may not be provided for baselines and errors - in those cases we use the fileName in full
- }
- var contextFile = ts.getSourceFileOfNode(ts.getOriginalNode(context.enclosingDeclaration));
- var links = getSymbolLinks(symbol);
- var specifier = links.specifierCache && links.specifierCache.get(contextFile.path);
- if (!specifier) {
- var isBundle_1 = (compilerOptions.out || compilerOptions.outFile);
- // For declaration bundles, we need to generate absolute paths relative to the common source dir for imports,
- // just like how the declaration emitter does for the ambient module declarations - we can easily accomplish this
- // using the `baseUrl` compiler option (which we would otherwise never use in declaration emit) and a non-relative
- // specifier preference
- var moduleResolverHost = context.tracker.moduleResolverHost;
- var specifierCompilerOptions = isBundle_1 ? __assign(__assign({}, compilerOptions), { baseUrl: moduleResolverHost.getCommonSourceDirectory() }) : compilerOptions;
- specifier = ts.first(ts.moduleSpecifiers.getModuleSpecifiers(symbol, specifierCompilerOptions, contextFile, moduleResolverHost, { importModuleSpecifierPreference: isBundle_1 ? "non-relative" : "relative" }));
- links.specifierCache = links.specifierCache || ts.createMap();
- links.specifierCache.set(contextFile.path, specifier);
- }
- return specifier;
- }
- function symbolToTypeNode(symbol, context, meaning, overrideTypeArguments) {
- var chain = lookupSymbolChain(symbol, context, meaning, !(context.flags & 16384 /* UseAliasDefinedOutsideCurrentScope */)); // If we're using aliases outside the current scope, dont bother with the module
- var isTypeOf = meaning === 111551 /* Value */;
- if (ts.some(chain[0].declarations, hasNonGlobalAugmentationExternalModuleSymbol)) {
- // module is root, must use `ImportTypeNode`
- var nonRootParts = chain.length > 1 ? createAccessFromSymbolChain(chain, chain.length - 1, 1) : undefined;
- var typeParameterNodes = overrideTypeArguments || lookupTypeParameterNodes(chain, 0, context);
- var specifier = getSpecifierForModuleSymbol(chain[0], context);
- if (!(context.flags & 67108864 /* AllowNodeModulesRelativePaths */) && ts.getEmitModuleResolutionKind(compilerOptions) === ts.ModuleResolutionKind.NodeJs && specifier.indexOf("/node_modules/") >= 0) {
- // If ultimately we can only name the symbol with a reference that dives into a `node_modules` folder, we should error
- // since declaration files with these kinds of references are liable to fail when published :(
- context.encounteredError = true;
- if (context.tracker.reportLikelyUnsafeImportRequiredError) {
- context.tracker.reportLikelyUnsafeImportRequiredError(specifier);
- }
- }
- var lit = ts.createLiteralTypeNode(ts.createLiteral(specifier));
- if (context.tracker.trackExternalModuleSymbolOfImportTypeNode)
- context.tracker.trackExternalModuleSymbolOfImportTypeNode(chain[0]);
- context.approximateLength += specifier.length + 10; // specifier + import("")
- if (!nonRootParts || ts.isEntityName(nonRootParts)) {
- if (nonRootParts) {
- var lastId = ts.isIdentifier(nonRootParts) ? nonRootParts : nonRootParts.right;
- lastId.typeArguments = undefined;
- }
- return ts.createImportTypeNode(lit, nonRootParts, typeParameterNodes, isTypeOf);
- }
- else {
- var splitNode = getTopmostIndexedAccessType(nonRootParts);
- var qualifier = splitNode.objectType.typeName;
- return ts.createIndexedAccessTypeNode(ts.createImportTypeNode(lit, qualifier, typeParameterNodes, isTypeOf), splitNode.indexType);
- }
- }
- var entityName = createAccessFromSymbolChain(chain, chain.length - 1, 0);
- if (ts.isIndexedAccessTypeNode(entityName)) {
- return entityName; // Indexed accesses can never be `typeof`
- }
- if (isTypeOf) {
- return ts.createTypeQueryNode(entityName);
- }
- else {
- var lastId = ts.isIdentifier(entityName) ? entityName : entityName.right;
- var lastTypeArgs = lastId.typeArguments;
- lastId.typeArguments = undefined;
- return ts.createTypeReferenceNode(entityName, lastTypeArgs);
- }
- function createAccessFromSymbolChain(chain, index, stopper) {
- var typeParameterNodes = index === (chain.length - 1) ? overrideTypeArguments : lookupTypeParameterNodes(chain, index, context);
- var symbol = chain[index];
- var parent = chain[index - 1];
- var symbolName;
- if (index === 0) {
- context.flags |= 16777216 /* InInitialEntityName */;
- symbolName = getNameOfSymbolAsWritten(symbol, context);
- context.approximateLength += (symbolName ? symbolName.length : 0) + 1;
- context.flags ^= 16777216 /* InInitialEntityName */;
- }
- else {
- if (parent && getExportsOfSymbol(parent)) {
- var exports_1 = getExportsOfSymbol(parent);
- ts.forEachEntry(exports_1, function (ex, name) {
- if (getSymbolIfSameReference(ex, symbol) && !isLateBoundName(name) && name !== "export=" /* ExportEquals */) {
- symbolName = ts.unescapeLeadingUnderscores(name);
- return true;
- }
- });
- }
- }
- if (!symbolName) {
- symbolName = getNameOfSymbolAsWritten(symbol, context);
- }
- context.approximateLength += symbolName.length + 1;
- if (!(context.flags & 16 /* ForbidIndexedAccessSymbolReferences */) && parent &&
- getMembersOfSymbol(parent) && getMembersOfSymbol(parent).get(symbol.escapedName) &&
- getSymbolIfSameReference(getMembersOfSymbol(parent).get(symbol.escapedName), symbol)) {
- // Should use an indexed access
- var LHS = createAccessFromSymbolChain(chain, index - 1, stopper);
- if (ts.isIndexedAccessTypeNode(LHS)) {
- return ts.createIndexedAccessTypeNode(LHS, ts.createLiteralTypeNode(ts.createLiteral(symbolName)));
- }
- else {
- return ts.createIndexedAccessTypeNode(ts.createTypeReferenceNode(LHS, typeParameterNodes), ts.createLiteralTypeNode(ts.createLiteral(symbolName)));
- }
- }
- var identifier = ts.setEmitFlags(ts.createIdentifier(symbolName, typeParameterNodes), 16777216 /* NoAsciiEscaping */);
- identifier.symbol = symbol;
- if (index > stopper) {
- var LHS = createAccessFromSymbolChain(chain, index - 1, stopper);
- if (!ts.isEntityName(LHS)) {
- return ts.Debug.fail("Impossible construct - an export of an indexed access cannot be reachable");
- }
- return ts.createQualifiedName(LHS, identifier);
- }
- return identifier;
- }
- }
- function typeParameterShadowsNameInScope(escapedName, context, type) {
- var result = resolveName(context.enclosingDeclaration, escapedName, 788968 /* Type */, /*nameNotFoundArg*/ undefined, escapedName, /*isUse*/ false);
- if (result) {
- if (result.flags & 262144 /* TypeParameter */ && result === type.symbol) {
- return false;
- }
- return true;
- }
- return false;
- }
- function typeParameterToName(type, context) {
- if (context.flags & 4 /* GenerateNamesForShadowedTypeParams */ && context.typeParameterNames) {
- var cached = context.typeParameterNames.get("" + getTypeId(type));
- if (cached) {
- return cached;
- }
- }
- var result = symbolToName(type.symbol, context, 788968 /* Type */, /*expectsIdentifier*/ true);
- if (!(result.kind & 75 /* Identifier */)) {
- return ts.createIdentifier("(Missing type parameter)");
- }
- if (context.flags & 4 /* GenerateNamesForShadowedTypeParams */) {
- var rawtext = result.escapedText;
- var i = 0;
- var text = rawtext;
- while ((context.typeParameterNamesByText && context.typeParameterNamesByText.get(text)) || typeParameterShadowsNameInScope(text, context, type)) {
- i++;
- text = rawtext + "_" + i;
- }
- if (text !== rawtext) {
- result = ts.createIdentifier(text, result.typeArguments);
- }
- (context.typeParameterNames || (context.typeParameterNames = ts.createMap())).set("" + getTypeId(type), result);
- (context.typeParameterNamesByText || (context.typeParameterNamesByText = ts.createMap())).set(result.escapedText, true);
- }
- return result;
- }
- function symbolToName(symbol, context, meaning, expectsIdentifier) {
- var chain = lookupSymbolChain(symbol, context, meaning);
- if (expectsIdentifier && chain.length !== 1
- && !context.encounteredError
- && !(context.flags & 65536 /* AllowQualifedNameInPlaceOfIdentifier */)) {
- context.encounteredError = true;
- }
- return createEntityNameFromSymbolChain(chain, chain.length - 1);
- function createEntityNameFromSymbolChain(chain, index) {
- var typeParameterNodes = lookupTypeParameterNodes(chain, index, context);
- var symbol = chain[index];
- if (index === 0) {
- context.flags |= 16777216 /* InInitialEntityName */;
- }
- var symbolName = getNameOfSymbolAsWritten(symbol, context);
- if (index === 0) {
- context.flags ^= 16777216 /* InInitialEntityName */;
- }
- var identifier = ts.setEmitFlags(ts.createIdentifier(symbolName, typeParameterNodes), 16777216 /* NoAsciiEscaping */);
- identifier.symbol = symbol;
- return index > 0 ? ts.createQualifiedName(createEntityNameFromSymbolChain(chain, index - 1), identifier) : identifier;
- }
- }
- function symbolToExpression(symbol, context, meaning) {
- var chain = lookupSymbolChain(symbol, context, meaning);
- return createExpressionFromSymbolChain(chain, chain.length - 1);
- function createExpressionFromSymbolChain(chain, index) {
- var typeParameterNodes = lookupTypeParameterNodes(chain, index, context);
- var symbol = chain[index];
- if (index === 0) {
- context.flags |= 16777216 /* InInitialEntityName */;
- }
- var symbolName = getNameOfSymbolAsWritten(symbol, context);
- if (index === 0) {
- context.flags ^= 16777216 /* InInitialEntityName */;
- }
- var firstChar = symbolName.charCodeAt(0);
- if (ts.isSingleOrDoubleQuote(firstChar) && ts.some(symbol.declarations, hasNonGlobalAugmentationExternalModuleSymbol)) {
- return ts.createLiteral(getSpecifierForModuleSymbol(symbol, context));
- }
- var canUsePropertyAccess = firstChar === 35 /* hash */ ?
- symbolName.length > 1 && ts.isIdentifierStart(symbolName.charCodeAt(1), languageVersion) :
- ts.isIdentifierStart(firstChar, languageVersion);
- if (index === 0 || canUsePropertyAccess) {
- var identifier = ts.setEmitFlags(ts.createIdentifier(symbolName, typeParameterNodes), 16777216 /* NoAsciiEscaping */);
- identifier.symbol = symbol;
- return index > 0 ? ts.createPropertyAccess(createExpressionFromSymbolChain(chain, index - 1), identifier) : identifier;
- }
- else {
- if (firstChar === 91 /* openBracket */) {
- symbolName = symbolName.substring(1, symbolName.length - 1);
- firstChar = symbolName.charCodeAt(0);
- }
- var expression = void 0;
- if (ts.isSingleOrDoubleQuote(firstChar)) {
- expression = ts.createLiteral(symbolName.substring(1, symbolName.length - 1).replace(/\\./g, function (s) { return s.substring(1); }));
- expression.singleQuote = firstChar === 39 /* singleQuote */;
- }
- else if (("" + +symbolName) === symbolName) {
- expression = ts.createLiteral(+symbolName);
- }
- if (!expression) {
- expression = ts.setEmitFlags(ts.createIdentifier(symbolName, typeParameterNodes), 16777216 /* NoAsciiEscaping */);
- expression.symbol = symbol;
- }
- return ts.createElementAccess(createExpressionFromSymbolChain(chain, index - 1), expression);
- }
- }
- }
- function isSingleQuotedStringNamed(d) {
- var name = ts.getNameOfDeclaration(d);
- if (name && ts.isStringLiteral(name) && (name.singleQuote ||
- (!ts.nodeIsSynthesized(name) && ts.startsWith(ts.getTextOfNode(name, /*includeTrivia*/ false), "'")))) {
- return true;
- }
- return false;
- }
- function getPropertyNameNodeForSymbol(symbol, context) {
- var singleQuote = !!ts.length(symbol.declarations) && ts.every(symbol.declarations, isSingleQuotedStringNamed);
- var fromNameType = getPropertyNameNodeForSymbolFromNameType(symbol, context, singleQuote);
- if (fromNameType) {
- return fromNameType;
- }
- if (ts.isKnownSymbol(symbol)) {
- return ts.createComputedPropertyName(ts.createPropertyAccess(ts.createIdentifier("Symbol"), symbol.escapedName.substr(3)));
- }
- var rawName = ts.unescapeLeadingUnderscores(symbol.escapedName);
- return createPropertyNameNodeForIdentifierOrLiteral(rawName, singleQuote);
- }
- // See getNameForSymbolFromNameType for a stringy equivalent
- function getPropertyNameNodeForSymbolFromNameType(symbol, context, singleQuote) {
- var nameType = getSymbolLinks(symbol).nameType;
- if (nameType) {
- if (nameType.flags & 384 /* StringOrNumberLiteral */) {
- var name = "" + nameType.value;
- if (!ts.isIdentifierText(name, compilerOptions.target) && !isNumericLiteralName(name)) {
- return ts.createLiteral(name, !!singleQuote);
- }
- if (isNumericLiteralName(name) && ts.startsWith(name, "-")) {
- return ts.createComputedPropertyName(ts.createLiteral(+name));
- }
- return createPropertyNameNodeForIdentifierOrLiteral(name);
- }
- if (nameType.flags & 8192 /* UniqueESSymbol */) {
- return ts.createComputedPropertyName(symbolToExpression(nameType.symbol, context, 111551 /* Value */));
- }
- }
- }
- function createPropertyNameNodeForIdentifierOrLiteral(name, singleQuote) {
- return ts.isIdentifierText(name, compilerOptions.target) ? ts.createIdentifier(name) : ts.createLiteral(isNumericLiteralName(name) && +name >= 0 ? +name : name, !!singleQuote);
- }
- function cloneNodeBuilderContext(context) {
- var initial = __assign({}, context);
- // Make type parameters created within this context not consume the name outside this context
- // The symbol serializer ends up creating many sibling scopes that all need "separate" contexts when
- // it comes to naming things - within a normal `typeToTypeNode` call, the node builder only ever descends
- // through the type tree, so the only cases where we could have used distinct sibling scopes was when there
- // were multiple generic overloads with similar generated type parameter names
- // The effect:
- // When we write out
- // export const x: <T>(x: T) => T
- // export const y: <T>(x: T) => T
- // we write it out like that, rather than as
- // export const x: <T>(x: T) => T
- // export const y: <T_1>(x: T_1) => T_1
- if (initial.typeParameterNames) {
- initial.typeParameterNames = ts.cloneMap(initial.typeParameterNames);
- }
- if (initial.typeParameterNamesByText) {
- initial.typeParameterNamesByText = ts.cloneMap(initial.typeParameterNamesByText);
- }
- if (initial.typeParameterSymbolList) {
- initial.typeParameterSymbolList = ts.cloneMap(initial.typeParameterSymbolList);
- }
- return initial;
- }
- function getDeclarationWithTypeAnnotation(symbol, enclosingDeclaration) {
- return symbol.declarations && ts.find(symbol.declarations, function (s) { return !!ts.getEffectiveTypeAnnotationNode(s) && (!enclosingDeclaration || !!ts.findAncestor(s, function (n) { return n === enclosingDeclaration; })); });
- }
- function existingTypeNodeIsNotReferenceOrIsReferenceWithCompatibleTypeArgumentCount(existing, type) {
- return !(ts.getObjectFlags(type) & 4 /* Reference */) || !ts.isTypeReferenceNode(existing) || ts.length(existing.typeArguments) >= getMinTypeArgumentCount(type.target.typeParameters);
- }
- /**
- * Unlike `typeToTypeNodeHelper`, this handles setting up the `AllowUniqueESSymbolType` flag
- * so a `unique symbol` is returned when appropriate for the input symbol, rather than `typeof sym`
- */
- function serializeTypeForDeclaration(context, type, symbol, enclosingDeclaration, includePrivateSymbol, bundled) {
- if (type !== errorType && enclosingDeclaration) {
- var declWithExistingAnnotation = getDeclarationWithTypeAnnotation(symbol, enclosingDeclaration);
- if (declWithExistingAnnotation && !ts.isFunctionLikeDeclaration(declWithExistingAnnotation)) {
- // try to reuse the existing annotation
- var existing = ts.getEffectiveTypeAnnotationNode(declWithExistingAnnotation);
- if (getTypeFromTypeNode(existing) === type && existingTypeNodeIsNotReferenceOrIsReferenceWithCompatibleTypeArgumentCount(existing, type)) {
- var result_4 = serializeExistingTypeNode(context, existing, includePrivateSymbol, bundled);
- if (result_4) {
- return result_4;
- }
- }
- }
- }
- var oldFlags = context.flags;
- if (type.flags & 8192 /* UniqueESSymbol */ &&
- type.symbol === symbol) {
- context.flags |= 1048576 /* AllowUniqueESSymbolType */;
- }
- var result = typeToTypeNodeHelper(type, context);
- context.flags = oldFlags;
- return result;
- }
- function serializeReturnTypeForSignature(context, type, signature, includePrivateSymbol, bundled) {
- if (type !== errorType && context.enclosingDeclaration) {
- var annotation = signature.declaration && ts.getEffectiveReturnTypeNode(signature.declaration);
- if (!!ts.findAncestor(annotation, function (n) { return n === context.enclosingDeclaration; }) && annotation && instantiateType(getTypeFromTypeNode(annotation), signature.mapper) === type && existingTypeNodeIsNotReferenceOrIsReferenceWithCompatibleTypeArgumentCount(annotation, type)) {
- var result = serializeExistingTypeNode(context, annotation, includePrivateSymbol, bundled);
- if (result) {
- return result;
- }
- }
- }
- return typeToTypeNodeHelper(type, context);
- }
- function serializeExistingTypeNode(context, existing, includePrivateSymbol, bundled) {
- if (cancellationToken && cancellationToken.throwIfCancellationRequested) {
- cancellationToken.throwIfCancellationRequested();
- }
- var hadError = false;
- var transformed = ts.visitNode(existing, visitExistingNodeTreeSymbols);
- if (hadError) {
- return undefined;
- }
- return transformed === existing ? ts.getMutableClone(existing) : transformed;
- function visitExistingNodeTreeSymbols(node) {
- var _a, _b;
- // We don't _actually_ support jsdoc namepath types, emit `any` instead
- if (ts.isJSDocAllType(node) || node.kind === 302 /* JSDocNamepathType */) {
- return ts.createKeywordTypeNode(125 /* AnyKeyword */);
- }
- if (ts.isJSDocUnknownType(node)) {
- return ts.createKeywordTypeNode(148 /* UnknownKeyword */);
- }
- if (ts.isJSDocNullableType(node)) {
- return ts.createUnionTypeNode([ts.visitNode(node.type, visitExistingNodeTreeSymbols), ts.createKeywordTypeNode(100 /* NullKeyword */)]);
- }
- if (ts.isJSDocOptionalType(node)) {
- return ts.createUnionTypeNode([ts.visitNode(node.type, visitExistingNodeTreeSymbols), ts.createKeywordTypeNode(146 /* UndefinedKeyword */)]);
- }
- if (ts.isJSDocNonNullableType(node)) {
- return ts.visitNode(node.type, visitExistingNodeTreeSymbols);
- }
- if (ts.isJSDocVariadicType(node)) {
- return ts.createArrayTypeNode(ts.visitNode(node.type, visitExistingNodeTreeSymbols));
- }
- if (ts.isJSDocTypeLiteral(node)) {
- return ts.createTypeLiteralNode(ts.map(node.jsDocPropertyTags, function (t) {
- var name = ts.isIdentifier(t.name) ? t.name : t.name.right;
- var typeViaParent = getTypeOfPropertyOfType(getTypeFromTypeNode(node), name.escapedText);
- var overrideTypeNode = typeViaParent && t.typeExpression && getTypeFromTypeNode(t.typeExpression.type) !== typeViaParent ? typeToTypeNodeHelper(typeViaParent, context) : undefined;
- return ts.createPropertySignature(
- /*modifiers*/ undefined, name, t.typeExpression && ts.isJSDocOptionalType(t.typeExpression.type) ? ts.createToken(57 /* QuestionToken */) : undefined, overrideTypeNode || (t.typeExpression && ts.visitNode(t.typeExpression.type, visitExistingNodeTreeSymbols)) || ts.createKeywordTypeNode(125 /* AnyKeyword */),
- /*initializer*/ undefined);
- }));
- }
- if (ts.isTypeReferenceNode(node) && ts.isIdentifier(node.typeName) && node.typeName.escapedText === "") {
- return ts.setOriginalNode(ts.createKeywordTypeNode(125 /* AnyKeyword */), node);
- }
- if ((ts.isExpressionWithTypeArguments(node) || ts.isTypeReferenceNode(node)) && ts.isJSDocIndexSignature(node)) {
- return ts.createTypeLiteralNode([ts.createIndexSignature(
- /*decorators*/ undefined,
- /*modifiers*/ undefined, [ts.createParameter(
- /*decorators*/ undefined,
- /*modifiers*/ undefined,
- /*dotdotdotToken*/ undefined, "x",
- /*questionToken*/ undefined, ts.visitNode(node.typeArguments[0], visitExistingNodeTreeSymbols))], ts.visitNode(node.typeArguments[1], visitExistingNodeTreeSymbols))]);
- }
- if (ts.isJSDocFunctionType(node)) {
- if (ts.isJSDocConstructSignature(node)) {
- var newTypeNode_1;
- return ts.createConstructorTypeNode(ts.visitNodes(node.typeParameters, visitExistingNodeTreeSymbols), ts.mapDefined(node.parameters, function (p, i) { return p.name && ts.isIdentifier(p.name) && p.name.escapedText === "new" ? (newTypeNode_1 = p.type, undefined) : ts.createParameter(
- /*decorators*/ undefined,
- /*modifiers*/ undefined, getEffectiveDotDotDotForParameter(p), p.name || getEffectiveDotDotDotForParameter(p) ? "args" : "arg" + i, p.questionToken, ts.visitNode(p.type, visitExistingNodeTreeSymbols),
- /*initializer*/ undefined); }), ts.visitNode(newTypeNode_1 || node.type, visitExistingNodeTreeSymbols));
- }
- else {
- return ts.createFunctionTypeNode(ts.visitNodes(node.typeParameters, visitExistingNodeTreeSymbols), ts.map(node.parameters, function (p, i) { return ts.createParameter(
- /*decorators*/ undefined,
- /*modifiers*/ undefined, getEffectiveDotDotDotForParameter(p), p.name || getEffectiveDotDotDotForParameter(p) ? "args" : "arg" + i, p.questionToken, ts.visitNode(p.type, visitExistingNodeTreeSymbols),
- /*initializer*/ undefined); }), ts.visitNode(node.type, visitExistingNodeTreeSymbols));
- }
- }
- if (ts.isTypeReferenceNode(node) && ts.isInJSDoc(node) && (getIntendedTypeFromJSDocTypeReference(node) || unknownSymbol === resolveTypeReferenceName(getTypeReferenceName(node), 788968 /* Type */, /*ignoreErrors*/ true))) {
- return ts.setOriginalNode(typeToTypeNodeHelper(getTypeFromTypeNode(node), context), node);
- }
- if (ts.isLiteralImportTypeNode(node)) {
- return ts.updateImportTypeNode(node, ts.updateLiteralTypeNode(node.argument, rewriteModuleSpecifier(node, node.argument.literal)), node.qualifier, ts.visitNodes(node.typeArguments, visitExistingNodeTreeSymbols, ts.isTypeNode), node.isTypeOf);
- }
- if (ts.isEntityName(node) || ts.isEntityNameExpression(node)) {
- var leftmost = ts.getFirstIdentifier(node);
- if (ts.isInJSFile(node) && (ts.isExportsIdentifier(leftmost) || ts.isModuleExportsAccessExpression(leftmost.parent) || (ts.isQualifiedName(leftmost.parent) && ts.isModuleIdentifier(leftmost.parent.left) && ts.isExportsIdentifier(leftmost.parent.right)))) {
- hadError = true;
- return node;
- }
- var sym = resolveEntityName(leftmost, 67108863 /* All */, /*ignoreErrors*/ true, /*dontResolveALias*/ true);
- if (sym) {
- if (isSymbolAccessible(sym, context.enclosingDeclaration, 67108863 /* All */, /*shouldComputeAliasesToMakeVisible*/ false).accessibility !== 0 /* Accessible */) {
- hadError = true;
- }
- else {
- (_b = (_a = context.tracker) === null || _a === void 0 ? void 0 : _a.trackSymbol) === null || _b === void 0 ? void 0 : _b.call(_a, sym, context.enclosingDeclaration, 67108863 /* All */);
- includePrivateSymbol === null || includePrivateSymbol === void 0 ? void 0 : includePrivateSymbol(sym);
- }
- if (ts.isIdentifier(node)) {
- var name = sym.flags & 262144 /* TypeParameter */ ? typeParameterToName(getDeclaredTypeOfSymbol(sym), context) : ts.getMutableClone(node);
- name.symbol = sym; // for quickinfo, which uses identifier symbol information
- return ts.setEmitFlags(ts.setOriginalNode(name, node), 16777216 /* NoAsciiEscaping */);
- }
- }
- }
- return ts.visitEachChild(node, visitExistingNodeTreeSymbols, ts.nullTransformationContext);
- function getEffectiveDotDotDotForParameter(p) {
- return p.dotDotDotToken || (p.type && ts.isJSDocVariadicType(p.type) ? ts.createToken(25 /* DotDotDotToken */) : undefined);
- }
- function rewriteModuleSpecifier(parent, lit) {
- if (bundled) {
- if (context.tracker && context.tracker.moduleResolverHost) {
- var targetFile = getExternalModuleFileFromDeclaration(parent);
- if (targetFile) {
- var getCanonicalFileName = ts.createGetCanonicalFileName(!!host.useCaseSensitiveFileNames);
- var resolverHost = {
- getCanonicalFileName: getCanonicalFileName,
- getCurrentDirectory: function () { return context.tracker.moduleResolverHost.getCurrentDirectory(); },
- getCommonSourceDirectory: function () { return context.tracker.moduleResolverHost.getCommonSourceDirectory(); }
- };
- var newName = ts.getResolvedExternalModuleName(resolverHost, targetFile);
- return ts.createLiteral(newName);
- }
- }
- }
- else {
- if (context.tracker && context.tracker.trackExternalModuleSymbolOfImportTypeNode) {
- var moduleSym = resolveExternalModuleNameWorker(lit, lit, /*moduleNotFoundError*/ undefined);
- if (moduleSym) {
- context.tracker.trackExternalModuleSymbolOfImportTypeNode(moduleSym);
- }
- }
- }
- return lit;
- }
- }
- }
- function symbolTableToDeclarationStatements(symbolTable, context, bundled) {
- var serializePropertySymbolForClass = makeSerializePropertySymbol(ts.createProperty, 161 /* MethodDeclaration */, /*useAcessors*/ true);
- var serializePropertySymbolForInterfaceWorker = makeSerializePropertySymbol(function (_decorators, mods, name, question, type, initializer) { return ts.createPropertySignature(mods, name, question, type, initializer); }, 160 /* MethodSignature */, /*useAcessors*/ false);
- // TODO: Use `setOriginalNode` on original declaration names where possible so these declarations see some kind of
- // declaration mapping
- // We save the enclosing declaration off here so it's not adjusted by well-meaning declaration
- // emit codepaths which want to apply more specific contexts (so we can still refer to the root real declaration
- // we're trying to emit from later on)
- var enclosingDeclaration = context.enclosingDeclaration;
- var results = [];
- var visitedSymbols = ts.createMap();
- var deferredPrivates;
- var oldcontext = context;
- context = __assign(__assign({}, oldcontext), { usedSymbolNames: ts.createMap(), remappedSymbolNames: ts.createMap(), tracker: __assign(__assign({}, oldcontext.tracker), { trackSymbol: function (sym, decl, meaning) {
- var accessibleResult = isSymbolAccessible(sym, decl, meaning, /*computeALiases*/ false);
- if (accessibleResult.accessibility === 0 /* Accessible */) {
- // Lookup the root symbol of the chain of refs we'll use to access it and serialize it
- var chain = lookupSymbolChainWorker(sym, context, meaning);
- if (!(sym.flags & 4 /* Property */)) {
- includePrivateSymbol(chain[0]);
- }
- }
- else if (oldcontext.tracker && oldcontext.tracker.trackSymbol) {
- oldcontext.tracker.trackSymbol(sym, decl, meaning);
- }
- } }) });
- if (oldcontext.usedSymbolNames) {
- oldcontext.usedSymbolNames.forEach(function (_, name) {
- context.usedSymbolNames.set(name, true);
- });
- }
- ts.forEachEntry(symbolTable, function (symbol, name) {
- var baseName = ts.unescapeLeadingUnderscores(name);
- void getInternalSymbolName(symbol, baseName); // Called to cache values into `usedSymbolNames` and `remappedSymbolNames`
- });
- var addingDeclare = !bundled;
- var exportEquals = symbolTable.get("export=" /* ExportEquals */);
- if (exportEquals && symbolTable.size > 1 && exportEquals.flags & 2097152 /* Alias */) {
- symbolTable = ts.createSymbolTable();
- // Remove extraneous elements from root symbol table (they'll be mixed back in when the target of the `export=` is looked up)
- symbolTable.set("export=" /* ExportEquals */, exportEquals);
- }
- visitSymbolTable(symbolTable);
- return mergeRedundantStatements(results);
- function isIdentifierAndNotUndefined(node) {
- return !!node && node.kind === 75 /* Identifier */;
- }
- function getNamesOfDeclaration(statement) {
- if (ts.isVariableStatement(statement)) {
- return ts.filter(ts.map(statement.declarationList.declarations, ts.getNameOfDeclaration), isIdentifierAndNotUndefined);
- }
- return ts.filter([ts.getNameOfDeclaration(statement)], isIdentifierAndNotUndefined);
- }
- function flattenExportAssignedNamespace(statements) {
- var exportAssignment = ts.find(statements, ts.isExportAssignment);
- var ns = ts.find(statements, ts.isModuleDeclaration);
- if (ns && exportAssignment && exportAssignment.isExportEquals &&
- ts.isIdentifier(exportAssignment.expression) && ts.isIdentifier(ns.name) && ts.idText(ns.name) === ts.idText(exportAssignment.expression) &&
- ns.body && ts.isModuleBlock(ns.body)) {
- // Pass 0: Correct situations where a module has both an `export = ns` and multiple top-level exports by stripping the export modifiers from
- // the top-level exports and exporting them in the targeted ns, as can occur when a js file has both typedefs and `module.export` assignments
- var excessExports = ts.filter(statements, function (s) { return !!(ts.getModifierFlags(s) & 1 /* Export */); });
- if (ts.length(excessExports)) {
- ns.body.statements = ts.createNodeArray(__spreadArrays(ns.body.statements, [ts.createExportDeclaration(
- /*decorators*/ undefined,
- /*modifiers*/ undefined, ts.createNamedExports(ts.map(ts.flatMap(excessExports, function (e) { return getNamesOfDeclaration(e); }), function (id) { return ts.createExportSpecifier(/*alias*/ undefined, id); })),
- /*moduleSpecifier*/ undefined)]));
- }
- // Pass 1: Flatten `export namespace _exports {} export = _exports;` so long as the `export=` only points at a single namespace declaration
- if (!ts.find(statements, function (s) { return s !== ns && ts.nodeHasName(s, ns.name); })) {
- results = [];
- ts.forEach(ns.body.statements, function (s) {
- addResult(s, 0 /* None */); // Recalculates the ambient (and export, if applicable from above) flag
- });
- statements = __spreadArrays(ts.filter(statements, function (s) { return s !== ns && s !== exportAssignment; }), results);
- }
- }
- return statements;
- }
- function mergeExportDeclarations(statements) {
- // Pass 2: Combine all `export {}` declarations
- var exports = ts.filter(statements, function (d) { return ts.isExportDeclaration(d) && !d.moduleSpecifier && !!d.exportClause && ts.isNamedExports(d.exportClause); });
- if (ts.length(exports) > 1) {
- var nonExports = ts.filter(statements, function (d) { return !ts.isExportDeclaration(d) || !!d.moduleSpecifier || !d.exportClause; });
- statements = __spreadArrays(nonExports, [ts.createExportDeclaration(
- /*decorators*/ undefined,
- /*modifiers*/ undefined, ts.createNamedExports(ts.flatMap(exports, function (e) { return ts.cast(e.exportClause, ts.isNamedExports).elements; })),
- /*moduleSpecifier*/ undefined)]);
- }
- // Pass 2b: Also combine all `export {} from "..."` declarations as needed
- var reexports = ts.filter(statements, function (d) { return ts.isExportDeclaration(d) && !!d.moduleSpecifier && !!d.exportClause && ts.isNamedExports(d.exportClause); });
- if (ts.length(reexports) > 1) {
- var groups = ts.group(reexports, function (decl) { return ts.isStringLiteral(decl.moduleSpecifier) ? ">" + decl.moduleSpecifier.text : ">"; });
- if (groups.length !== reexports.length) {
- var _loop_8 = function (group_1) {
- if (group_1.length > 1) {
- // remove group members from statements and then merge group members and add back to statements
- statements = __spreadArrays(ts.filter(statements, function (s) { return group_1.indexOf(s) === -1; }), [
- ts.createExportDeclaration(
- /*decorators*/ undefined,
- /*modifiers*/ undefined, ts.createNamedExports(ts.flatMap(group_1, function (e) { return ts.cast(e.exportClause, ts.isNamedExports).elements; })), group_1[0].moduleSpecifier)
- ]);
- }
- };
- for (var _i = 0, groups_1 = groups; _i < groups_1.length; _i++) {
- var group_1 = groups_1[_i];
- _loop_8(group_1);
- }
- }
- }
- return statements;
- }
- function inlineExportModifiers(statements) {
- // Pass 3: Move all `export {}`'s to `export` modifiers where possible
- var exportDecl = ts.find(statements, function (d) { return ts.isExportDeclaration(d) && !d.moduleSpecifier && !!d.exportClause; });
- if (exportDecl && exportDecl.exportClause && ts.isNamedExports(exportDecl.exportClause)) {
- var replacements = ts.mapDefined(exportDecl.exportClause.elements, function (e) {
- if (!e.propertyName) {
- // export {name} - look thru `statements` for `name`, and if all results can take an `export` modifier, do so and filter it
- var associated = ts.filter(statements, function (s) { return ts.nodeHasName(s, e.name); });
- if (ts.length(associated) && ts.every(associated, canHaveExportModifier)) {
- ts.forEach(associated, addExportModifier);
- return undefined;
- }
- }
- return e;
- });
- if (!ts.length(replacements)) {
- // all clauses removed, filter the export declaration
- statements = ts.filter(statements, function (s) { return s !== exportDecl; });
- }
- else {
- // some items filtered, others not - update the export declaration
- // (mutating because why not, we're building a whole new tree here anyway)
- exportDecl.exportClause.elements = ts.createNodeArray(replacements);
- }
- }
- return statements;
- }
- function mergeRedundantStatements(statements) {
- statements = flattenExportAssignedNamespace(statements);
- statements = mergeExportDeclarations(statements);
- statements = inlineExportModifiers(statements);
- // Not a cleanup, but as a final step: If there is a mix of `export` and non-`export` declarations, but no `export =` or `export {}` add a `export {};` so
- // declaration privacy is respected.
- if (enclosingDeclaration &&
- ((ts.isSourceFile(enclosingDeclaration) && ts.isExternalOrCommonJsModule(enclosingDeclaration)) || ts.isModuleDeclaration(enclosingDeclaration)) &&
- (!ts.some(statements, ts.isExternalModuleIndicator) || (!ts.hasScopeMarker(statements) && ts.some(statements, ts.needsScopeMarker)))) {
- statements.push(ts.createEmptyExports());
- }
- return statements;
- }
- function canHaveExportModifier(node) {
- return ts.isEnumDeclaration(node) ||
- ts.isVariableStatement(node) ||
- ts.isFunctionDeclaration(node) ||
- ts.isClassDeclaration(node) ||
- (ts.isModuleDeclaration(node) && !ts.isExternalModuleAugmentation(node) && !ts.isGlobalScopeAugmentation(node)) ||
- ts.isInterfaceDeclaration(node) ||
- isTypeDeclaration(node);
- }
- function addExportModifier(statement) {
- var flags = (ts.getModifierFlags(statement) | 1 /* Export */) & ~2 /* Ambient */;
- statement.modifiers = ts.createNodeArray(ts.createModifiersFromModifierFlags(flags));
- statement.modifierFlagsCache = 0;
- }
- function visitSymbolTable(symbolTable, suppressNewPrivateContext, propertyAsAlias) {
- var oldDeferredPrivates = deferredPrivates;
- if (!suppressNewPrivateContext) {
- deferredPrivates = ts.createMap();
- }
- symbolTable.forEach(function (symbol) {
- serializeSymbol(symbol, /*isPrivate*/ false, !!propertyAsAlias);
- });
- if (!suppressNewPrivateContext) {
- // deferredPrivates will be filled up by visiting the symbol table
- // And will continue to iterate as elements are added while visited `deferredPrivates`
- // (As that's how a map iterator is defined to work)
- deferredPrivates.forEach(function (symbol) {
- serializeSymbol(symbol, /*isPrivate*/ true, !!propertyAsAlias);
- });
- }
- deferredPrivates = oldDeferredPrivates;
- }
- function serializeSymbol(symbol, isPrivate, propertyAsAlias) {
- // cache visited list based on merged symbol, since we want to use the unmerged top-level symbol, but
- // still skip reserializing it if we encounter the merged product later on
- var visitedSym = getMergedSymbol(symbol);
- if (visitedSymbols.has("" + getSymbolId(visitedSym))) {
- return; // Already printed
- }
- visitedSymbols.set("" + getSymbolId(visitedSym), true);
- // Only actually serialize symbols within the correct enclosing declaration, otherwise do nothing with the out-of-context symbol
- var skipMembershipCheck = !isPrivate; // We only call this on exported symbols when we know they're in the correct scope
- if (skipMembershipCheck || (!!ts.length(symbol.declarations) && ts.some(symbol.declarations, function (d) { return !!ts.findAncestor(d, function (n) { return n === enclosingDeclaration; }); }))) {
- var oldContext = context;
- context = cloneNodeBuilderContext(context);
- var result = serializeSymbolWorker(symbol, isPrivate, propertyAsAlias);
- context = oldContext;
- return result;
- }
- }
- // Synthesize declarations for a symbol - might be an Interface, a Class, a Namespace, a Type, a Variable (const, let, or var), an Alias
- // or a merge of some number of those.
- // An interesting challenge is ensuring that when classes merge with namespaces and interfaces, is keeping
- // each symbol in only one of the representations
- // Also, synthesizing a default export of some kind
- // If it's an alias: emit `export default ref`
- // If it's a property: emit `export default _default` with a `_default` prop
- // If it's a class/interface/function: emit a class/interface/function with a `default` modifier
- // These forms can merge, eg (`export default 12; export default interface A {}`)
- function serializeSymbolWorker(symbol, isPrivate, propertyAsAlias) {
- var symbolName = ts.unescapeLeadingUnderscores(symbol.escapedName);
- var isDefault = symbol.escapedName === "default" /* Default */;
- if (!(context.flags & 131072 /* AllowAnonymousIdentifier */) && ts.isStringANonContextualKeyword(symbolName) && !isDefault) {
- // Oh no. We cannot use this symbol's name as it's name... It's likely some jsdoc had an invalid name like `export` or `default` :(
- context.encounteredError = true;
- // TODO: Issue error via symbol tracker?
- return; // If we need to emit a private with a keyword name, we're done for, since something else will try to refer to it by that name
- }
- var needsPostExportDefault = isDefault && !!(symbol.flags & -113 /* ExportDoesNotSupportDefaultModifier */
- || (symbol.flags & 16 /* Function */ && ts.length(getPropertiesOfType(getTypeOfSymbol(symbol))))) && !(symbol.flags & 2097152 /* Alias */); // An alias symbol should preclude needing to make an alias ourselves
- if (needsPostExportDefault) {
- isPrivate = true;
- }
- var modifierFlags = (!isPrivate ? 1 /* Export */ : 0) | (isDefault && !needsPostExportDefault ? 512 /* Default */ : 0);
- var isConstMergedWithNS = symbol.flags & 1536 /* Module */ &&
- symbol.flags & (2 /* BlockScopedVariable */ | 1 /* FunctionScopedVariable */ | 4 /* Property */) &&
- symbol.escapedName !== "export=" /* ExportEquals */;
- var isConstMergedWithNSPrintableAsSignatureMerge = isConstMergedWithNS && isTypeRepresentableAsFunctionNamespaceMerge(getTypeOfSymbol(symbol), symbol);
- if (symbol.flags & (16 /* Function */ | 8192 /* Method */) || isConstMergedWithNSPrintableAsSignatureMerge) {
- serializeAsFunctionNamespaceMerge(getTypeOfSymbol(symbol), symbol, getInternalSymbolName(symbol, symbolName), modifierFlags);
- }
- if (symbol.flags & 524288 /* TypeAlias */) {
- serializeTypeAlias(symbol, symbolName, modifierFlags);
- }
- // Need to skip over export= symbols below - json source files get a single `Property` flagged
- // symbol of name `export=` which needs to be handled like an alias. It's not great, but it is what it is.
- if (symbol.flags & (2 /* BlockScopedVariable */ | 1 /* FunctionScopedVariable */ | 4 /* Property */)
- && symbol.escapedName !== "export=" /* ExportEquals */
- && !(symbol.flags & 4194304 /* Prototype */)
- && !(symbol.flags & 32 /* Class */)
- && !isConstMergedWithNSPrintableAsSignatureMerge) {
- serializeVariableOrProperty(symbol, symbolName, isPrivate, needsPostExportDefault, propertyAsAlias, modifierFlags);
- }
- if (symbol.flags & 384 /* Enum */) {
- serializeEnum(symbol, symbolName, modifierFlags);
- }
- if (symbol.flags & 32 /* Class */) {
- if (symbol.flags & 4 /* Property */ && ts.isBinaryExpression(symbol.valueDeclaration.parent) && ts.isClassExpression(symbol.valueDeclaration.parent.right)) {
- // Looks like a `module.exports.Sub = class {}` - if we serialize `symbol` as a class, the result will have no members,
- // since the classiness is actually from the target of the effective alias the symbol is. yes. A BlockScopedVariable|Class|Property
- // _really_ acts like an Alias, and none of a BlockScopedVariable, Class, or Property. This is the travesty of JS binding today.
- serializeAsAlias(symbol, getInternalSymbolName(symbol, symbolName), modifierFlags);
- }
- else {
- serializeAsClass(symbol, getInternalSymbolName(symbol, symbolName), modifierFlags);
- }
- }
- if ((symbol.flags & (512 /* ValueModule */ | 1024 /* NamespaceModule */) && (!isConstMergedWithNS || isTypeOnlyNamespace(symbol))) || isConstMergedWithNSPrintableAsSignatureMerge) {
- serializeModule(symbol, symbolName, modifierFlags);
- }
- if (symbol.flags & 64 /* Interface */) {
- serializeInterface(symbol, symbolName, modifierFlags);
- }
- if (symbol.flags & 2097152 /* Alias */) {
- serializeAsAlias(symbol, getInternalSymbolName(symbol, symbolName), modifierFlags);
- }
- if (symbol.flags & 4 /* Property */ && symbol.escapedName === "export=" /* ExportEquals */) {
- serializeMaybeAliasAssignment(symbol);
- }
- if (symbol.flags & 8388608 /* ExportStar */) {
- // synthesize export * from "moduleReference"
- // Straightforward - only one thing to do - make an export declaration
- for (var _i = 0, _a = symbol.declarations; _i < _a.length; _i++) {
- var node = _a[_i];
- var resolvedModule = resolveExternalModuleName(node, node.moduleSpecifier);
- if (!resolvedModule)
- continue;
- addResult(ts.createExportDeclaration(/*decorators*/ undefined, /*modifiers*/ undefined, /*exportClause*/ undefined, ts.createLiteral(getSpecifierForModuleSymbol(resolvedModule, context))), 0 /* None */);
- }
- }
- if (needsPostExportDefault) {
- addResult(ts.createExportAssignment(/*decorators*/ undefined, /*modifiers*/ undefined, /*isExportAssignment*/ false, ts.createIdentifier(getInternalSymbolName(symbol, symbolName))), 0 /* None */);
- }
- }
- function includePrivateSymbol(symbol) {
- if (ts.some(symbol.declarations, ts.isParameterDeclaration))
- return;
- ts.Debug.assertIsDefined(deferredPrivates);
- getUnusedName(ts.unescapeLeadingUnderscores(symbol.escapedName), symbol); // Call to cache unique name for symbol
- deferredPrivates.set("" + getSymbolId(symbol), symbol);
- }
- function isExportingScope(enclosingDeclaration) {
- return ((ts.isSourceFile(enclosingDeclaration) && (ts.isExternalOrCommonJsModule(enclosingDeclaration) || ts.isJsonSourceFile(enclosingDeclaration))) ||
- (ts.isAmbientModule(enclosingDeclaration) && !ts.isGlobalScopeAugmentation(enclosingDeclaration)));
- }
- // Prepends a `declare` and/or `export` modifier if the context requires it, and then adds `node` to `result` and returns `node`
- // Note: This _mutates_ `node` without using `updateNode` - the assumption being that all nodes should be manufactured fresh by the node builder
- function addResult(node, additionalModifierFlags) {
- var newModifierFlags = 0 /* None */;
- if (additionalModifierFlags & 1 /* Export */ &&
- enclosingDeclaration &&
- isExportingScope(enclosingDeclaration) &&
- canHaveExportModifier(node)) {
- // Classes, namespaces, variables, functions, interfaces, and types should all be `export`ed in a module context if not private
- newModifierFlags |= 1 /* Export */;
- }
- if (addingDeclare && !(newModifierFlags & 1 /* Export */) &&
- (!enclosingDeclaration || !(enclosingDeclaration.flags & 8388608 /* Ambient */)) &&
- (ts.isEnumDeclaration(node) || ts.isVariableStatement(node) || ts.isFunctionDeclaration(node) || ts.isClassDeclaration(node) || ts.isModuleDeclaration(node))) {
- // Classes, namespaces, variables, enums, and functions all need `declare` modifiers to be valid in a declaration file top-level scope
- newModifierFlags |= 2 /* Ambient */;
- }
- if ((additionalModifierFlags & 512 /* Default */) && (ts.isClassDeclaration(node) || ts.isInterfaceDeclaration(node) || ts.isFunctionDeclaration(node))) {
- newModifierFlags |= 512 /* Default */;
- }
- if (newModifierFlags) {
- node.modifiers = ts.createNodeArray(ts.createModifiersFromModifierFlags(newModifierFlags | ts.getModifierFlags(node)));
- node.modifierFlagsCache = 0; // Reset computed flags cache
- }
- results.push(node);
- }
- function serializeTypeAlias(symbol, symbolName, modifierFlags) {
- var aliasType = getDeclaredTypeOfTypeAlias(symbol);
- var typeParams = getSymbolLinks(symbol).typeParameters;
- var typeParamDecls = ts.map(typeParams, function (p) { return typeParameterToDeclaration(p, context); });
- var jsdocAliasDecl = ts.find(symbol.declarations, ts.isJSDocTypeAlias);
- var commentText = jsdocAliasDecl ? jsdocAliasDecl.comment || jsdocAliasDecl.parent.comment : undefined;
- var oldFlags = context.flags;
- context.flags |= 8388608 /* InTypeAlias */;
- addResult(ts.setSyntheticLeadingComments(ts.createTypeAliasDeclaration(/*decorators*/ undefined, /*modifiers*/ undefined, getInternalSymbolName(symbol, symbolName), typeParamDecls, typeToTypeNodeHelper(aliasType, context)), !commentText ? [] : [{ kind: 3 /* MultiLineCommentTrivia */, text: "*\n * " + commentText.replace(/\n/g, "\n * ") + "\n ", pos: -1, end: -1, hasTrailingNewLine: true }]), modifierFlags);
- context.flags = oldFlags;
- }
- function serializeInterface(symbol, symbolName, modifierFlags) {
- var interfaceType = getDeclaredTypeOfClassOrInterface(symbol);
- var localParams = getLocalTypeParametersOfClassOrInterfaceOrTypeAlias(symbol);
- var typeParamDecls = ts.map(localParams, function (p) { return typeParameterToDeclaration(p, context); });
- var baseTypes = getBaseTypes(interfaceType);
- var baseType = ts.length(baseTypes) ? getIntersectionType(baseTypes) : undefined;
- var members = ts.flatMap(getPropertiesOfType(interfaceType), function (p) { return serializePropertySymbolForInterface(p, baseType); });
- var callSignatures = serializeSignatures(0 /* Call */, interfaceType, baseType, 165 /* CallSignature */);
- var constructSignatures = serializeSignatures(1 /* Construct */, interfaceType, baseType, 166 /* ConstructSignature */);
- var indexSignatures = serializeIndexSignatures(interfaceType, baseType);
- var heritageClauses = !ts.length(baseTypes) ? undefined : [ts.createHeritageClause(90 /* ExtendsKeyword */, ts.mapDefined(baseTypes, function (b) { return trySerializeAsTypeReference(b); }))];
- addResult(ts.createInterfaceDeclaration(
- /*decorators*/ undefined,
- /*modifiers*/ undefined, getInternalSymbolName(symbol, symbolName), typeParamDecls, heritageClauses, __spreadArrays(indexSignatures, constructSignatures, callSignatures, members)), modifierFlags);
- }
- function getNamespaceMembersForSerialization(symbol) {
- return !symbol.exports ? [] : ts.filter(ts.arrayFrom(symbol.exports.values()), isNamespaceMember);
- }
- function isTypeOnlyNamespace(symbol) {
- return ts.every(getNamespaceMembersForSerialization(symbol), function (m) { return !(resolveSymbol(m).flags & 111551 /* Value */); });
- }
- function serializeModule(symbol, symbolName, modifierFlags) {
- var members = getNamespaceMembersForSerialization(symbol);
- // Split NS members up by declaration - members whose parent symbol is the ns symbol vs those whose is not (but were added in later via merging)
- var locationMap = ts.arrayToMultiMap(members, function (m) { return m.parent && m.parent === symbol ? "real" : "merged"; });
- var realMembers = locationMap.get("real") || ts.emptyArray;
- var mergedMembers = locationMap.get("merged") || ts.emptyArray;
- // TODO: `suppressNewPrivateContext` is questionable -we need to simply be emitting privates in whatever scope they were declared in, rather
- // than whatever scope we traverse to them in. That's a bit of a complex rewrite, since we're not _actually_ tracking privates at all in advance,
- // so we don't even have placeholders to fill in.
- if (ts.length(realMembers)) {
- var localName = getInternalSymbolName(symbol, symbolName);
- serializeAsNamespaceDeclaration(realMembers, localName, modifierFlags, !!(symbol.flags & (16 /* Function */ | 67108864 /* Assignment */)));
- }
- if (ts.length(mergedMembers)) {
- var containingFile_1 = ts.getSourceFileOfNode(context.enclosingDeclaration);
- var localName = getInternalSymbolName(symbol, symbolName);
- var nsBody = ts.createModuleBlock([ts.createExportDeclaration(
- /*decorators*/ undefined,
- /*modifiers*/ undefined, ts.createNamedExports(ts.mapDefined(ts.filter(mergedMembers, function (n) { return n.escapedName !== "export=" /* ExportEquals */; }), function (s) {
- var _a, _b;
- var name = ts.unescapeLeadingUnderscores(s.escapedName);
- var localName = getInternalSymbolName(s, name);
- var aliasDecl = s.declarations && getDeclarationOfAliasSymbol(s);
- if (containingFile_1 && (aliasDecl ? containingFile_1 !== ts.getSourceFileOfNode(aliasDecl) : !ts.some(s.declarations, function (d) { return ts.getSourceFileOfNode(d) === containingFile_1; }))) {
- (_b = (_a = context.tracker) === null || _a === void 0 ? void 0 : _a.reportNonlocalAugmentation) === null || _b === void 0 ? void 0 : _b.call(_a, containingFile_1, symbol, s);
- return undefined;
- }
- var target = aliasDecl && getTargetOfAliasDeclaration(aliasDecl, /*dontRecursivelyResolve*/ true);
- includePrivateSymbol(target || s);
- var targetName = target ? getInternalSymbolName(target, ts.unescapeLeadingUnderscores(target.escapedName)) : localName;
- return ts.createExportSpecifier(name === targetName ? undefined : targetName, name);
- })))]);
- addResult(ts.createModuleDeclaration(
- /*decorators*/ undefined,
- /*modifiers*/ undefined, ts.createIdentifier(localName), nsBody, 16 /* Namespace */), 0 /* None */);
- }
- }
- function serializeEnum(symbol, symbolName, modifierFlags) {
- addResult(ts.createEnumDeclaration(
- /*decorators*/ undefined, ts.createModifiersFromModifierFlags(isConstEnumSymbol(symbol) ? 2048 /* Const */ : 0), getInternalSymbolName(symbol, symbolName), ts.map(ts.filter(getPropertiesOfType(getTypeOfSymbol(symbol)), function (p) { return !!(p.flags & 8 /* EnumMember */); }), function (p) {
- // TODO: Handle computed names
- // I hate that to get the initialized value we need to walk back to the declarations here; but there's no
- // other way to get the possible const value of an enum member that I'm aware of, as the value is cached
- // _on the declaration_, not on the declaration's symbol...
- var initializedValue = p.declarations && p.declarations[0] && ts.isEnumMember(p.declarations[0]) && getConstantValue(p.declarations[0]);
- return ts.createEnumMember(ts.unescapeLeadingUnderscores(p.escapedName), initializedValue === undefined ? undefined : ts.createLiteral(initializedValue));
- })), modifierFlags);
- }
- function serializeVariableOrProperty(symbol, symbolName, isPrivate, needsPostExportDefault, propertyAsAlias, modifierFlags) {
- if (propertyAsAlias) {
- serializeMaybeAliasAssignment(symbol);
- }
- else {
- var type = getTypeOfSymbol(symbol);
- var localName = getInternalSymbolName(symbol, symbolName);
- if (!(symbol.flags & 16 /* Function */) && isTypeRepresentableAsFunctionNamespaceMerge(type, symbol)) {
- // If the type looks like a function declaration + ns could represent it, and it's type is sourced locally, rewrite it into a function declaration + ns
- serializeAsFunctionNamespaceMerge(type, symbol, localName, modifierFlags);
- }
- else {
- // A Class + Property merge is made for a `module.exports.Member = class {}`, and it doesn't serialize well as either a class _or_ a property symbol - in fact, _it behaves like an alias!_
- // `var` is `FunctionScopedVariable`, `const` and `let` are `BlockScopedVariable`, and `module.exports.thing =` is `Property`
- var flags = !(symbol.flags & 2 /* BlockScopedVariable */) ? undefined
- : isConstVariable(symbol) ? 2 /* Const */
- : 1 /* Let */;
- var name = (needsPostExportDefault || !(symbol.flags & 4 /* Property */)) ? localName : getUnusedName(localName, symbol);
- var textRange = symbol.declarations && ts.find(symbol.declarations, function (d) { return ts.isVariableDeclaration(d); });
- if (textRange && ts.isVariableDeclarationList(textRange.parent) && textRange.parent.declarations.length === 1) {
- textRange = textRange.parent.parent;
- }
- var statement = ts.setTextRange(ts.createVariableStatement(/*modifiers*/ undefined, ts.createVariableDeclarationList([
- ts.createVariableDeclaration(name, serializeTypeForDeclaration(context, type, symbol, enclosingDeclaration, includePrivateSymbol, bundled))
- ], flags)), textRange);
- addResult(statement, name !== localName ? modifierFlags & ~1 /* Export */ : modifierFlags);
- if (name !== localName && !isPrivate) {
- // We rename the variable declaration we generate for Property symbols since they may have a name which
- // conflicts with a local declaration. For example, given input:
- // ```
- // function g() {}
- // module.exports.g = g
- // ```
- // In such a situation, we have a local variable named `g`, and a separate exported variable named `g`.
- // Naively, we would emit
- // ```
- // function g() {}
- // export const g: typeof g;
- // ```
- // That's obviously incorrect - the `g` in the type annotation needs to refer to the local `g`, but
- // the export declaration shadows it.
- // To work around that, we instead write
- // ```
- // function g() {}
- // const g_1: typeof g;
- // export { g_1 as g };
- // ```
- // To create an export named `g` that does _not_ shadow the local `g`
- addResult(ts.createExportDeclaration(
- /*decorators*/ undefined,
- /*modifiers*/ undefined, ts.createNamedExports([ts.createExportSpecifier(name, localName)])), 0 /* None */);
- }
- }
- }
- }
- function serializeAsFunctionNamespaceMerge(type, symbol, localName, modifierFlags) {
- var signatures = getSignaturesOfType(type, 0 /* Call */);
- for (var _i = 0, signatures_2 = signatures; _i < signatures_2.length; _i++) {
- var sig = signatures_2[_i];
- // Each overload becomes a separate function declaration, in order
- var decl = signatureToSignatureDeclarationHelper(sig, 244 /* FunctionDeclaration */, context, includePrivateSymbol, bundled);
- decl.name = ts.createIdentifier(localName);
- // for expressions assigned to `var`s, use the `var` as the text range
- addResult(ts.setTextRange(decl, sig.declaration && ts.isVariableDeclaration(sig.declaration.parent) && sig.declaration.parent.parent || sig.declaration), modifierFlags);
- }
- // Module symbol emit will take care of module-y members, provided it has exports
- if (!(symbol.flags & (512 /* ValueModule */ | 1024 /* NamespaceModule */) && !!symbol.exports && !!symbol.exports.size)) {
- var props = ts.filter(getPropertiesOfType(type), isNamespaceMember);
- serializeAsNamespaceDeclaration(props, localName, modifierFlags, /*suppressNewPrivateContext*/ true);
- }
- }
- function serializeAsNamespaceDeclaration(props, localName, modifierFlags, suppressNewPrivateContext) {
- if (ts.length(props)) {
- var localVsRemoteMap = ts.arrayToMultiMap(props, function (p) {
- return !ts.length(p.declarations) || ts.some(p.declarations, function (d) {
- return ts.getSourceFileOfNode(d) === ts.getSourceFileOfNode(context.enclosingDeclaration);
- }) ? "local" : "remote";
- });
- var localProps = localVsRemoteMap.get("local") || ts.emptyArray;
- // handle remote props first - we need to make an `import` declaration that points at the module containing each remote
- // prop in the outermost scope (TODO: a namespace within a namespace would need to be appropriately handled by this)
- // Example:
- // import Foo_1 = require("./exporter");
- // export namespace ns {
- // import Foo = Foo_1.Foo;
- // export { Foo };
- // export const c: number;
- // }
- // This is needed because in JS, statements like `const x = require("./f")` support both type and value lookup, even if they're
- // normally just value lookup (so it functions kinda like an alias even when it's not an alias)
- // _Usually_, we'll simply print the top-level as an alias instead of a `var` in such situations, however is is theoretically
- // possible to encounter a situation where a type has members from both the current file and other files - in those situations,
- // emit akin to the above would be needed.
- // Add a namespace
- var fakespace = ts.createModuleDeclaration(/*decorators*/ undefined, /*modifiers*/ undefined, ts.createIdentifier(localName), ts.createModuleBlock([]), 16 /* Namespace */);
- fakespace.flags ^= 8 /* Synthesized */; // unset synthesized so it is usable as an enclosing declaration
- fakespace.parent = enclosingDeclaration;
- fakespace.locals = ts.createSymbolTable(props);
- fakespace.symbol = props[0].parent;
- var oldResults = results;
- results = [];
- var oldAddingDeclare = addingDeclare;
- addingDeclare = false;
- var subcontext = __assign(__assign({}, context), { enclosingDeclaration: fakespace });
- var oldContext = context;
- context = subcontext;
- // TODO: implement handling for the localVsRemoteMap.get("remote") - should be difficult to trigger (see comment above), as only interesting cross-file js merges should make this possible
- visitSymbolTable(ts.createSymbolTable(localProps), suppressNewPrivateContext, /*propertyAsAlias*/ true);
- context = oldContext;
- addingDeclare = oldAddingDeclare;
- var declarations = results;
- results = oldResults;
- fakespace.flags ^= 8 /* Synthesized */; // reset synthesized
- fakespace.parent = undefined;
- fakespace.locals = undefined;
- fakespace.symbol = undefined;
- fakespace.body = ts.createModuleBlock(declarations);
- addResult(fakespace, modifierFlags); // namespaces can never be default exported
- }
- }
- function isNamespaceMember(p) {
- return !(p.flags & 4194304 /* Prototype */ || p.escapedName === "prototype" || p.valueDeclaration && ts.isClassLike(p.valueDeclaration.parent));
- }
- function serializeAsClass(symbol, localName, modifierFlags) {
- var localParams = getLocalTypeParametersOfClassOrInterfaceOrTypeAlias(symbol);
- var typeParamDecls = ts.map(localParams, function (p) { return typeParameterToDeclaration(p, context); });
- var classType = getDeclaredTypeOfClassOrInterface(symbol);
- var baseTypes = getBaseTypes(classType);
- var implementsTypes = getImplementsTypes(classType);
- var staticType = getTypeOfSymbol(symbol);
- var staticBaseType = getBaseConstructorTypeOfClass(staticType);
- var heritageClauses = __spreadArrays(!ts.length(baseTypes) ? [] : [ts.createHeritageClause(90 /* ExtendsKeyword */, ts.map(baseTypes, function (b) { return serializeBaseType(b, staticBaseType, localName); }))], !ts.length(implementsTypes) ? [] : [ts.createHeritageClause(113 /* ImplementsKeyword */, ts.map(implementsTypes, function (b) { return serializeBaseType(b, staticBaseType, localName); }))]);
- var symbolProps = getNonInterhitedProperties(classType, baseTypes, getPropertiesOfType(classType));
- var publicSymbolProps = ts.filter(symbolProps, function (s) {
- // `valueDeclaration` could be undefined if inherited from
- // a union/intersection base type, but inherited properties
- // don't matter here.
- var valueDecl = s.valueDeclaration;
- return valueDecl && !(ts.isNamedDeclaration(valueDecl) && ts.isPrivateIdentifier(valueDecl.name));
- });
- var hasPrivateIdentifier = ts.some(symbolProps, function (s) {
- // `valueDeclaration` could be undefined if inherited from
- // a union/intersection base type, but inherited properties
- // don't matter here.
- var valueDecl = s.valueDeclaration;
- return valueDecl && ts.isNamedDeclaration(valueDecl) && ts.isPrivateIdentifier(valueDecl.name);
- });
- // Boil down all private properties into a single one.
- var privateProperties = hasPrivateIdentifier ?
- [ts.createProperty(
- /*decorators*/ undefined,
- /*modifiers*/ undefined, ts.createPrivateIdentifier("#private"),
- /*questionOrExclamationToken*/ undefined,
- /*type*/ undefined,
- /*initializer*/ undefined)] :
- ts.emptyArray;
- var publicProperties = ts.flatMap(publicSymbolProps, function (p) { return serializePropertySymbolForClass(p, /*isStatic*/ false, baseTypes[0]); });
- // Consider static members empty if symbol also has function or module meaning - function namespacey emit will handle statics
- var staticMembers = ts.flatMap(ts.filter(getPropertiesOfType(staticType), function (p) { return !(p.flags & 4194304 /* Prototype */) && p.escapedName !== "prototype" && !isNamespaceMember(p); }), function (p) { return serializePropertySymbolForClass(p, /*isStatic*/ true, staticBaseType); });
- var constructors = serializeSignatures(1 /* Construct */, staticType, baseTypes[0], 162 /* Constructor */);
- for (var _i = 0, constructors_1 = constructors; _i < constructors_1.length; _i++) {
- var c = constructors_1[_i];
- // A constructor's return type and type parameters are supposed to be controlled by the enclosing class declaration
- // `signatureToSignatureDeclarationHelper` appends them regardless, so for now we delete them here
- c.type = undefined;
- c.typeParameters = undefined;
- }
- var indexSignatures = serializeIndexSignatures(classType, baseTypes[0]);
- addResult(ts.setTextRange(ts.createClassDeclaration(
- /*decorators*/ undefined,
- /*modifiers*/ undefined, localName, typeParamDecls, heritageClauses, __spreadArrays(indexSignatures, staticMembers, constructors, publicProperties, privateProperties)), symbol.declarations && ts.filter(symbol.declarations, function (d) { return ts.isClassDeclaration(d) || ts.isClassExpression(d); })[0]), modifierFlags);
- }
- function serializeAsAlias(symbol, localName, modifierFlags) {
- // synthesize an alias, eg `export { symbolName as Name }`
- // need to mark the alias `symbol` points at
- // as something we need to serialize as a private declaration as well
- var node = getDeclarationOfAliasSymbol(symbol);
- if (!node)
- return ts.Debug.fail();
- var target = getMergedSymbol(getTargetOfAliasDeclaration(node, /*dontRecursivelyResolve*/ true));
- if (!target) {
- return;
- }
- var verbatimTargetName = ts.unescapeLeadingUnderscores(target.escapedName);
- if (verbatimTargetName === "export=" /* ExportEquals */ && (compilerOptions.esModuleInterop || compilerOptions.allowSyntheticDefaultImports)) {
- // target refers to an `export=` symbol that was hoisted into a synthetic default - rename here to match
- verbatimTargetName = "default" /* Default */;
- }
- var targetName = getInternalSymbolName(target, verbatimTargetName);
- includePrivateSymbol(target); // the target may be within the same scope - attempt to serialize it first
- switch (node.kind) {
- case 253 /* ImportEqualsDeclaration */:
- // Could be a local `import localName = ns.member` or
- // an external `import localName = require("whatever")`
- var isLocalImport = !(target.flags & 512 /* ValueModule */);
- addResult(ts.createImportEqualsDeclaration(
- /*decorators*/ undefined,
- /*modifiers*/ undefined, ts.createIdentifier(localName), isLocalImport
- ? symbolToName(target, context, 67108863 /* All */, /*expectsIdentifier*/ false)
- : ts.createExternalModuleReference(ts.createLiteral(getSpecifierForModuleSymbol(symbol, context)))), isLocalImport ? modifierFlags : 0 /* None */);
- break;
- case 252 /* NamespaceExportDeclaration */:
- // export as namespace foo
- // TODO: Not part of a file's local or export symbol tables
- // Is bound into file.symbol.globalExports instead, which we don't currently traverse
- addResult(ts.createNamespaceExportDeclaration(ts.idText(node.name)), 0 /* None */);
- break;
- case 255 /* ImportClause */:
- addResult(ts.createImportDeclaration(
- /*decorators*/ undefined,
- /*modifiers*/ undefined, ts.createImportClause(ts.createIdentifier(localName), /*namedBindings*/ undefined),
- // We use `target.parent || target` below as `target.parent` is unset when the target is a module which has been export assigned
- // And then made into a default by the `esModuleInterop` or `allowSyntheticDefaultImports` flag
- // In such cases, the `target` refers to the module itself already
- ts.createLiteral(getSpecifierForModuleSymbol(target.parent || target, context))), 0 /* None */);
- break;
- case 256 /* NamespaceImport */:
- addResult(ts.createImportDeclaration(
- /*decorators*/ undefined,
- /*modifiers*/ undefined, ts.createImportClause(/*importClause*/ undefined, ts.createNamespaceImport(ts.createIdentifier(localName))), ts.createLiteral(getSpecifierForModuleSymbol(target, context))), 0 /* None */);
- break;
- case 262 /* NamespaceExport */:
- addResult(ts.createExportDeclaration(
- /*decorators*/ undefined,
- /*modifiers*/ undefined, ts.createNamespaceExport(ts.createIdentifier(localName)), ts.createLiteral(getSpecifierForModuleSymbol(target, context))), 0 /* None */);
- break;
- case 258 /* ImportSpecifier */:
- addResult(ts.createImportDeclaration(
- /*decorators*/ undefined,
- /*modifiers*/ undefined, ts.createImportClause(/*importClause*/ undefined, ts.createNamedImports([
- ts.createImportSpecifier(localName !== verbatimTargetName ? ts.createIdentifier(verbatimTargetName) : undefined, ts.createIdentifier(localName))
- ])), ts.createLiteral(getSpecifierForModuleSymbol(target.parent || target, context))), 0 /* None */);
- break;
- case 263 /* ExportSpecifier */:
- // does not use localName because the symbol name in this case refers to the name in the exports table,
- // which we must exactly preserve
- var specifier = node.parent.parent.moduleSpecifier;
- // targetName is only used when the target is local, as otherwise the target is an alias that points at
- // another file
- serializeExportSpecifier(ts.unescapeLeadingUnderscores(symbol.escapedName), specifier ? verbatimTargetName : targetName, specifier && ts.isStringLiteralLike(specifier) ? ts.createLiteral(specifier.text) : undefined);
- break;
- case 259 /* ExportAssignment */:
- serializeMaybeAliasAssignment(symbol);
- break;
- case 209 /* BinaryExpression */:
- case 194 /* PropertyAccessExpression */:
- // Could be best encoded as though an export specifier or as though an export assignment
- // If name is default or export=, do an export assignment
- // Otherwise do an export specifier
- if (symbol.escapedName === "default" /* Default */ || symbol.escapedName === "export=" /* ExportEquals */) {
- serializeMaybeAliasAssignment(symbol);
- }
- else {
- serializeExportSpecifier(localName, targetName);
- }
- break;
- default:
- return ts.Debug.failBadSyntaxKind(node, "Unhandled alias declaration kind in symbol serializer!");
- }
- }
- function serializeExportSpecifier(localName, targetName, specifier) {
- addResult(ts.createExportDeclaration(
- /*decorators*/ undefined,
- /*modifiers*/ undefined, ts.createNamedExports([ts.createExportSpecifier(localName !== targetName ? targetName : undefined, localName)]), specifier), 0 /* None */);
- }
- function serializeMaybeAliasAssignment(symbol) {
- if (symbol.flags & 4194304 /* Prototype */) {
- return;
- }
- var name = ts.unescapeLeadingUnderscores(symbol.escapedName);
- var isExportEquals = name === "export=" /* ExportEquals */;
- var isDefault = name === "default" /* Default */;
- var isExportAssignment = isExportEquals || isDefault;
- // synthesize export = ref
- // ref should refer to either be a locally scoped symbol which we need to emit, or
- // a reference to another namespace/module which we may need to emit an `import` statement for
- var aliasDecl = symbol.declarations && getDeclarationOfAliasSymbol(symbol);
- // serialize what the alias points to, preserve the declaration's initializer
- var target = aliasDecl && getTargetOfAliasDeclaration(aliasDecl, /*dontRecursivelyResolve*/ true);
- // If the target resolves and resolves to a thing defined in this file, emit as an alias, otherwise emit as a const
- if (target && ts.length(target.declarations) && ts.some(target.declarations, function (d) { return ts.getSourceFileOfNode(d) === ts.getSourceFileOfNode(enclosingDeclaration); })) {
- // In case `target` refers to a namespace member, look at the declaration and serialize the leftmost symbol in it
- // eg, `namespace A { export class B {} }; exports = A.B;`
- // Technically, this is all that's required in the case where the assignment is an entity name expression
- var expr = isExportAssignment ? ts.getExportAssignmentExpression(aliasDecl) : ts.getPropertyAssignmentAliasLikeExpression(aliasDecl);
- var first_1 = ts.isEntityNameExpression(expr) ? getFirstNonModuleExportsIdentifier(expr) : undefined;
- var referenced = first_1 && resolveEntityName(first_1, 67108863 /* All */, /*ignoreErrors*/ true, /*dontResolveAlias*/ true, enclosingDeclaration);
- if (referenced || target) {
- includePrivateSymbol(referenced || target);
- }
- // We disable the context's symbol tracker for the duration of this name serialization
- // as, by virtue of being here, the name is required to print something, and we don't want to
- // issue a visibility error on it. Only anonymous classes that an alias points at _would_ issue
- // a visibility error here (as they're not visible within any scope), but we want to hoist them
- // into the containing scope anyway, so we want to skip the visibility checks.
- var oldTrack = context.tracker.trackSymbol;
- context.tracker.trackSymbol = ts.noop;
- if (isExportAssignment) {
- results.push(ts.createExportAssignment(
- /*decorators*/ undefined,
- /*modifiers*/ undefined, isExportEquals, symbolToExpression(target, context, 67108863 /* All */)));
- }
- else {
- if (first_1 === expr) {
- // serialize as `export {target as name}`
- serializeExportSpecifier(name, ts.idText(first_1));
- }
- else if (ts.isClassExpression(expr)) {
- serializeExportSpecifier(name, getInternalSymbolName(target, ts.symbolName(target)));
- }
- else {
- // serialize as `import _Ref = t.arg.et; export { _Ref as name }`
- var varName = getUnusedName(name, symbol);
- addResult(ts.createImportEqualsDeclaration(
- /*decorators*/ undefined,
- /*modifiers*/ undefined, ts.createIdentifier(varName), symbolToName(target, context, 67108863 /* All */, /*expectsIdentifier*/ false)), 0 /* None */);
- serializeExportSpecifier(name, varName);
- }
- }
- context.tracker.trackSymbol = oldTrack;
- }
- else {
- // serialize as an anonymous property declaration
- var varName = getUnusedName(name, symbol);
- // We have to use `getWidenedType` here since the object within a json file is unwidened within the file
- // (Unwidened types can only exist in expression contexts and should never be serialized)
- var typeToSerialize = getWidenedType(getTypeOfSymbol(getMergedSymbol(symbol)));
- if (isTypeRepresentableAsFunctionNamespaceMerge(typeToSerialize, symbol)) {
- // If there are no index signatures and `typeToSerialize` is an object type, emit as a namespace instead of a const
- serializeAsFunctionNamespaceMerge(typeToSerialize, symbol, varName, isExportAssignment ? 0 /* None */ : 1 /* Export */);
- }
- else {
- var statement = ts.createVariableStatement(/*modifiers*/ undefined, ts.createVariableDeclarationList([
- ts.createVariableDeclaration(varName, serializeTypeForDeclaration(context, typeToSerialize, symbol, enclosingDeclaration, includePrivateSymbol, bundled))
- ], 2 /* Const */));
- addResult(statement, name === varName ? 1 /* Export */ : 0 /* None */);
- }
- if (isExportAssignment) {
- results.push(ts.createExportAssignment(
- /*decorators*/ undefined,
- /*modifiers*/ undefined, isExportEquals, ts.createIdentifier(varName)));
- }
- else if (name !== varName) {
- serializeExportSpecifier(name, varName);
- }
- }
- }
- function isTypeRepresentableAsFunctionNamespaceMerge(typeToSerialize, hostSymbol) {
- // Only object types which are not constructable, or indexable, whose members all come from the
- // context source file, and whose property names are all valid identifiers and not late-bound, _and_
- // whose input is not type annotated (if the input symbol has an annotation we can reuse, we should prefer it)
- var ctxSrc = ts.getSourceFileOfNode(context.enclosingDeclaration);
- return ts.getObjectFlags(typeToSerialize) & (16 /* Anonymous */ | 32 /* Mapped */) &&
- !getIndexInfoOfType(typeToSerialize, 0 /* String */) &&
- !getIndexInfoOfType(typeToSerialize, 1 /* Number */) &&
- !!(ts.length(getPropertiesOfType(typeToSerialize)) || ts.length(getSignaturesOfType(typeToSerialize, 0 /* Call */))) &&
- !ts.length(getSignaturesOfType(typeToSerialize, 1 /* Construct */)) && // TODO: could probably serialize as function + ns + class, now that that's OK
- !getDeclarationWithTypeAnnotation(hostSymbol, enclosingDeclaration) &&
- !(typeToSerialize.symbol && ts.some(typeToSerialize.symbol.declarations, function (d) { return ts.getSourceFileOfNode(d) !== ctxSrc; })) &&
- !ts.some(getPropertiesOfType(typeToSerialize), function (p) { return isLateBoundName(p.escapedName); }) &&
- !ts.some(getPropertiesOfType(typeToSerialize), function (p) { return ts.some(p.declarations, function (d) { return ts.getSourceFileOfNode(d) !== ctxSrc; }); }) &&
- ts.every(getPropertiesOfType(typeToSerialize), function (p) { return ts.isIdentifierText(ts.symbolName(p), languageVersion) && !ts.isStringAKeyword(ts.symbolName(p)); });
- }
- function makeSerializePropertySymbol(createProperty, methodKind, useAccessors) {
- return function serializePropertySymbol(p, isStatic, baseType) {
- var modifierFlags = ts.getDeclarationModifierFlagsFromSymbol(p);
- var isPrivate = !!(modifierFlags & 8 /* Private */);
- if (isStatic && (p.flags & (788968 /* Type */ | 1920 /* Namespace */ | 2097152 /* Alias */))) {
- // Only value-only-meaning symbols can be correctly encoded as class statics, type/namespace/alias meaning symbols
- // need to be merged namespace members
- return [];
- }
- if (p.flags & 4194304 /* Prototype */ ||
- (baseType && getPropertyOfType(baseType, p.escapedName)
- && isReadonlySymbol(getPropertyOfType(baseType, p.escapedName)) === isReadonlySymbol(p)
- && (p.flags & 16777216 /* Optional */) === (getPropertyOfType(baseType, p.escapedName).flags & 16777216 /* Optional */)
- && isTypeIdenticalTo(getTypeOfSymbol(p), getTypeOfPropertyOfType(baseType, p.escapedName)))) {
- return [];
- }
- var flag = (modifierFlags & ~256 /* Async */) | (isStatic ? 32 /* Static */ : 0);
- var name = getPropertyNameNodeForSymbol(p, context);
- var firstPropertyLikeDecl = ts.find(p.declarations, ts.or(ts.isPropertyDeclaration, ts.isAccessor, ts.isVariableDeclaration, ts.isPropertySignature, ts.isBinaryExpression, ts.isPropertyAccessExpression));
- if (p.flags & 98304 /* Accessor */ && useAccessors) {
- var result = [];
- if (p.flags & 65536 /* SetAccessor */) {
- result.push(ts.setTextRange(ts.createSetAccessor(
- /*decorators*/ undefined, ts.createModifiersFromModifierFlags(flag), name, [ts.createParameter(
- /*decorators*/ undefined,
- /*modifiers*/ undefined,
- /*dotDotDotToken*/ undefined, "arg",
- /*questionToken*/ undefined, isPrivate ? undefined : serializeTypeForDeclaration(context, getTypeOfSymbol(p), p, enclosingDeclaration, includePrivateSymbol, bundled))],
- /*body*/ undefined), ts.find(p.declarations, ts.isSetAccessor) || firstPropertyLikeDecl));
- }
- if (p.flags & 32768 /* GetAccessor */) {
- var isPrivate_1 = modifierFlags & 8 /* Private */;
- result.push(ts.setTextRange(ts.createGetAccessor(
- /*decorators*/ undefined, ts.createModifiersFromModifierFlags(flag), name, [], isPrivate_1 ? undefined : serializeTypeForDeclaration(context, getTypeOfSymbol(p), p, enclosingDeclaration, includePrivateSymbol, bundled),
- /*body*/ undefined), ts.find(p.declarations, ts.isGetAccessor) || firstPropertyLikeDecl));
- }
- return result;
- }
- // This is an else/if as accessors and properties can't merge in TS, but might in JS
- // If this happens, we assume the accessor takes priority, as it imposes more constraints
- else if (p.flags & (4 /* Property */ | 3 /* Variable */)) {
- return ts.setTextRange(createProperty(
- /*decorators*/ undefined, ts.createModifiersFromModifierFlags((isReadonlySymbol(p) ? 64 /* Readonly */ : 0) | flag), name, p.flags & 16777216 /* Optional */ ? ts.createToken(57 /* QuestionToken */) : undefined, isPrivate ? undefined : serializeTypeForDeclaration(context, getTypeOfSymbol(p), p, enclosingDeclaration, includePrivateSymbol, bundled),
- // TODO: https://github.com/microsoft/TypeScript/pull/32372#discussion_r328386357
- // interface members can't have initializers, however class members _can_
- /*initializer*/ undefined), ts.find(p.declarations, ts.or(ts.isPropertyDeclaration, ts.isVariableDeclaration)) || firstPropertyLikeDecl);
- }
- if (p.flags & (8192 /* Method */ | 16 /* Function */)) {
- var type = getTypeOfSymbol(p);
- var signatures = getSignaturesOfType(type, 0 /* Call */);
- if (flag & 8 /* Private */) {
- return ts.setTextRange(createProperty(
- /*decorators*/ undefined, ts.createModifiersFromModifierFlags((isReadonlySymbol(p) ? 64 /* Readonly */ : 0) | flag), name, p.flags & 16777216 /* Optional */ ? ts.createToken(57 /* QuestionToken */) : undefined,
- /*type*/ undefined,
- /*initializer*/ undefined), ts.find(p.declarations, ts.isFunctionLikeDeclaration) || signatures[0] && signatures[0].declaration || p.declarations[0]);
- }
- var results_1 = [];
- for (var _i = 0, signatures_3 = signatures; _i < signatures_3.length; _i++) {
- var sig = signatures_3[_i];
- // Each overload becomes a separate method declaration, in order
- var decl = signatureToSignatureDeclarationHelper(sig, methodKind, context);
- decl.name = name; // TODO: Clone
- if (flag) {
- decl.modifiers = ts.createNodeArray(ts.createModifiersFromModifierFlags(flag));
- }
- if (p.flags & 16777216 /* Optional */) {
- decl.questionToken = ts.createToken(57 /* QuestionToken */);
- }
- results_1.push(ts.setTextRange(decl, sig.declaration));
- }
- return results_1;
- }
- // The `Constructor`'s symbol isn't in the class's properties lists, obviously, since it's a signature on the static
- return ts.Debug.fail("Unhandled class member kind! " + (p.__debugFlags || p.flags));
- };
- }
- function serializePropertySymbolForInterface(p, baseType) {
- return serializePropertySymbolForInterfaceWorker(p, /*isStatic*/ false, baseType);
- }
- function serializeSignatures(kind, input, baseType, outputKind) {
- var signatures = getSignaturesOfType(input, kind);
- if (kind === 1 /* Construct */) {
- if (!baseType && ts.every(signatures, function (s) { return ts.length(s.parameters) === 0; })) {
- return []; // No base type, every constructor is empty - elide the extraneous `constructor()`
- }
- if (baseType) {
- // If there is a base type, if every signature in the class is identical to a signature in the baseType, elide all the declarations
- var baseSigs = getSignaturesOfType(baseType, 1 /* Construct */);
- if (!ts.length(baseSigs) && ts.every(signatures, function (s) { return ts.length(s.parameters) === 0; })) {
- return []; // Base had no explicit signatures, if all our signatures are also implicit, return an empty list
- }
- if (baseSigs.length === signatures.length) {
- var failed = false;
- for (var i = 0; i < baseSigs.length; i++) {
- if (!compareSignaturesIdentical(signatures[i], baseSigs[i], /*partialMatch*/ false, /*ignoreThisTypes*/ false, /*ignoreReturnTypes*/ true, compareTypesIdentical)) {
- failed = true;
- break;
- }
- }
- if (!failed) {
- return []; // Every signature was identical - elide constructor list as it is inherited
- }
- }
- }
- var privateProtected = 0;
- for (var _i = 0, signatures_4 = signatures; _i < signatures_4.length; _i++) {
- var s = signatures_4[_i];
- if (s.declaration) {
- privateProtected |= ts.getSelectedModifierFlags(s.declaration, 8 /* Private */ | 16 /* Protected */);
- }
- }
- if (privateProtected) {
- return [ts.setTextRange(ts.createConstructor(
- /*decorators*/ undefined, ts.createModifiersFromModifierFlags(privateProtected),
- /*parameters*/ [],
- /*body*/ undefined), signatures[0].declaration)];
- }
- }
- var results = [];
- for (var _a = 0, signatures_5 = signatures; _a < signatures_5.length; _a++) {
- var sig = signatures_5[_a];
- // Each overload becomes a separate constructor declaration, in order
- var decl = signatureToSignatureDeclarationHelper(sig, outputKind, context);
- results.push(ts.setTextRange(decl, sig.declaration));
- }
- return results;
- }
- function serializeIndexSignatures(input, baseType) {
- var results = [];
- for (var _i = 0, _a = [0 /* String */, 1 /* Number */]; _i < _a.length; _i++) {
- var type = _a[_i];
- var info = getIndexInfoOfType(input, type);
- if (info) {
- if (baseType) {
- var baseInfo = getIndexInfoOfType(baseType, type);
- if (baseInfo) {
- if (isTypeIdenticalTo(info.type, baseInfo.type)) {
- continue; // elide identical index signatures
- }
- }
- }
- results.push(indexInfoToIndexSignatureDeclarationHelper(info, type, context));
- }
- }
- return results;
- }
- function serializeBaseType(t, staticType, rootName) {
- var ref = trySerializeAsTypeReference(t);
- if (ref) {
- return ref;
- }
- var tempName = getUnusedName(rootName + "_base");
- var statement = ts.createVariableStatement(/*modifiers*/ undefined, ts.createVariableDeclarationList([
- ts.createVariableDeclaration(tempName, typeToTypeNodeHelper(staticType, context))
- ], 2 /* Const */));
- addResult(statement, 0 /* None */);
- return ts.createExpressionWithTypeArguments(/*typeArgs*/ undefined, ts.createIdentifier(tempName));
- }
- function trySerializeAsTypeReference(t) {
- var typeArgs;
- var reference;
- // We don't use `isValueSymbolAccessible` below. since that considers alternative containers (like modules)
- // which we can't write out in a syntactically valid way as an expression
- if (t.target && getAccessibleSymbolChain(t.target.symbol, enclosingDeclaration, 111551 /* Value */, /*useOnlyExternalAliasing*/ false)) {
- typeArgs = ts.map(getTypeArguments(t), function (t) { return typeToTypeNodeHelper(t, context); });
- reference = symbolToExpression(t.target.symbol, context, 788968 /* Type */);
- }
- else if (t.symbol && getAccessibleSymbolChain(t.symbol, enclosingDeclaration, 111551 /* Value */, /*useOnlyExternalAliasing*/ false)) {
- reference = symbolToExpression(t.symbol, context, 788968 /* Type */);
- }
- if (reference) {
- return ts.createExpressionWithTypeArguments(typeArgs, reference);
- }
- }
- function getUnusedName(input, symbol) {
- if (symbol) {
- if (context.remappedSymbolNames.has("" + getSymbolId(symbol))) {
- return context.remappedSymbolNames.get("" + getSymbolId(symbol));
- }
- }
- if (symbol) {
- input = getNameCandidateWorker(symbol, input);
- }
- var i = 0;
- var original = input;
- while (context.usedSymbolNames.has(input)) {
- i++;
- input = original + "_" + i;
- }
- context.usedSymbolNames.set(input, true);
- if (symbol) {
- context.remappedSymbolNames.set("" + getSymbolId(symbol), input);
- }
- return input;
- }
- function getNameCandidateWorker(symbol, localName) {
- if (localName === "default" /* Default */ || localName === "__class" /* Class */ || localName === "__function" /* Function */) {
- var flags = context.flags;
- context.flags |= 16777216 /* InInitialEntityName */;
- var nameCandidate = getNameOfSymbolAsWritten(symbol, context);
- context.flags = flags;
- localName = nameCandidate.length > 0 && ts.isSingleOrDoubleQuote(nameCandidate.charCodeAt(0)) ? ts.stripQuotes(nameCandidate) : nameCandidate;
- }
- if (localName === "default" /* Default */) {
- localName = "_default";
- }
- else if (localName === "export=" /* ExportEquals */) {
- localName = "_exports";
- }
- localName = ts.isIdentifierText(localName, languageVersion) && !ts.isStringANonContextualKeyword(localName) ? localName : "_" + localName.replace(/[^a-zA-Z0-9]/g, "_");
- return localName;
- }
- function getInternalSymbolName(symbol, localName) {
- if (context.remappedSymbolNames.has("" + getSymbolId(symbol))) {
- return context.remappedSymbolNames.get("" + getSymbolId(symbol));
- }
- localName = getNameCandidateWorker(symbol, localName);
- // The result of this is going to be used as the symbol's name - lock it in, so `getUnusedName` will also pick it up
- context.remappedSymbolNames.set("" + getSymbolId(symbol), localName);
- return localName;
- }
- }
- }
- function typePredicateToString(typePredicate, enclosingDeclaration, flags, writer) {
- if (flags === void 0) { flags = 16384 /* UseAliasDefinedOutsideCurrentScope */; }
- return writer ? typePredicateToStringWorker(writer).getText() : ts.usingSingleLineStringWriter(typePredicateToStringWorker);
- function typePredicateToStringWorker(writer) {
- var predicate = ts.createTypePredicateNodeWithModifier(typePredicate.kind === 2 /* AssertsThis */ || typePredicate.kind === 3 /* AssertsIdentifier */ ? ts.createToken(124 /* AssertsKeyword */) : undefined, typePredicate.kind === 1 /* Identifier */ || typePredicate.kind === 3 /* AssertsIdentifier */ ? ts.createIdentifier(typePredicate.parameterName) : ts.createThisTypeNode(), typePredicate.type && nodeBuilder.typeToTypeNode(typePredicate.type, enclosingDeclaration, toNodeBuilderFlags(flags) | 70221824 /* IgnoreErrors */ | 512 /* WriteTypeParametersInQualifiedName */) // TODO: GH#18217
- );
- var printer = ts.createPrinter({ removeComments: true });
- var sourceFile = enclosingDeclaration && ts.getSourceFileOfNode(enclosingDeclaration);
- printer.writeNode(4 /* Unspecified */, predicate, /*sourceFile*/ sourceFile, writer);
- return writer;
- }
- }
- function formatUnionTypes(types) {
- var result = [];
- var flags = 0;
- for (var i = 0; i < types.length; i++) {
- var t = types[i];
- flags |= t.flags;
- if (!(t.flags & 98304 /* Nullable */)) {
- if (t.flags & (512 /* BooleanLiteral */ | 1024 /* EnumLiteral */)) {
- var baseType = t.flags & 512 /* BooleanLiteral */ ? booleanType : getBaseTypeOfEnumLiteralType(t);
- if (baseType.flags & 1048576 /* Union */) {
- var count = baseType.types.length;
- if (i + count <= types.length && getRegularTypeOfLiteralType(types[i + count - 1]) === getRegularTypeOfLiteralType(baseType.types[count - 1])) {
- result.push(baseType);
- i += count - 1;
- continue;
- }
- }
- }
- result.push(t);
- }
- }
- if (flags & 65536 /* Null */)
- result.push(nullType);
- if (flags & 32768 /* Undefined */)
- result.push(undefinedType);
- return result || types;
- }
- function visibilityToString(flags) {
- if (flags === 8 /* Private */) {
- return "private";
- }
- if (flags === 16 /* Protected */) {
- return "protected";
- }
- return "public";
- }
- function getTypeAliasForTypeLiteral(type) {
- if (type.symbol && type.symbol.flags & 2048 /* TypeLiteral */) {
- var node = ts.findAncestor(type.symbol.declarations[0].parent, function (n) { return n.kind !== 182 /* ParenthesizedType */; });
- if (node.kind === 247 /* TypeAliasDeclaration */) {
- return getSymbolOfNode(node);
- }
- }
- return undefined;
- }
- function isTopLevelInExternalModuleAugmentation(node) {
- return node && node.parent &&
- node.parent.kind === 250 /* ModuleBlock */ &&
- ts.isExternalModuleAugmentation(node.parent.parent);
- }
- function isDefaultBindingContext(location) {
- return location.kind === 290 /* SourceFile */ || ts.isAmbientModule(location);
- }
- function getNameOfSymbolFromNameType(symbol, context) {
- var nameType = getSymbolLinks(symbol).nameType;
- if (nameType) {
- if (nameType.flags & 384 /* StringOrNumberLiteral */) {
- var name = "" + nameType.value;
- if (!ts.isIdentifierText(name, compilerOptions.target) && !isNumericLiteralName(name)) {
- return "\"" + ts.escapeString(name, 34 /* doubleQuote */) + "\"";
- }
- if (isNumericLiteralName(name) && ts.startsWith(name, "-")) {
- return "[" + name + "]";
- }
- return name;
- }
- if (nameType.flags & 8192 /* UniqueESSymbol */) {
- return "[" + getNameOfSymbolAsWritten(nameType.symbol, context) + "]";
- }
- }
- }
- /**
- * Gets a human-readable name for a symbol.
- * Should *not* be used for the right-hand side of a `.` -- use `symbolName(symbol)` for that instead.
- *
- * Unlike `symbolName(symbol)`, this will include quotes if the name is from a string literal.
- * It will also use a representation of a number as written instead of a decimal form, e.g. `0o11` instead of `9`.
- */
- function getNameOfSymbolAsWritten(symbol, context) {
- if (context && symbol.escapedName === "default" /* Default */ && !(context.flags & 16384 /* UseAliasDefinedOutsideCurrentScope */) &&
- // If it's not the first part of an entity name, it must print as `default`
- (!(context.flags & 16777216 /* InInitialEntityName */) ||
- // if the symbol is synthesized, it will only be referenced externally it must print as `default`
- !symbol.declarations ||
- // if not in the same binding context (source file, module declaration), it must print as `default`
- (context.enclosingDeclaration && ts.findAncestor(symbol.declarations[0], isDefaultBindingContext) !== ts.findAncestor(context.enclosingDeclaration, isDefaultBindingContext)))) {
- return "default";
- }
- if (symbol.declarations && symbol.declarations.length) {
- var declaration = ts.firstDefined(symbol.declarations, function (d) { return ts.getNameOfDeclaration(d) ? d : undefined; }); // Try using a declaration with a name, first
- var name_2 = declaration && ts.getNameOfDeclaration(declaration);
- if (declaration && name_2) {
- if (ts.isCallExpression(declaration) && ts.isBindableObjectDefinePropertyCall(declaration)) {
- return ts.symbolName(symbol);
- }
- if (ts.isComputedPropertyName(name_2) && !(ts.getCheckFlags(symbol) & 4096 /* Late */)) {
- var nameType = getSymbolLinks(symbol).nameType;
- if (nameType && nameType.flags & 384 /* StringOrNumberLiteral */) {
- // Computed property name isn't late bound, but has a well-known name type - use name type to generate a symbol name
- var result = getNameOfSymbolFromNameType(symbol, context);
- if (result !== undefined) {
- return result;
- }
- }
- }
- return ts.declarationNameToString(name_2);
- }
- if (!declaration) {
- declaration = symbol.declarations[0]; // Declaration may be nameless, but we'll try anyway
- }
- if (declaration.parent && declaration.parent.kind === 242 /* VariableDeclaration */) {
- return ts.declarationNameToString(declaration.parent.name);
- }
- switch (declaration.kind) {
- case 214 /* ClassExpression */:
- case 201 /* FunctionExpression */:
- case 202 /* ArrowFunction */:
- if (context && !context.encounteredError && !(context.flags & 131072 /* AllowAnonymousIdentifier */)) {
- context.encounteredError = true;
- }
- return declaration.kind === 214 /* ClassExpression */ ? "(Anonymous class)" : "(Anonymous function)";
- }
- }
- var name = getNameOfSymbolFromNameType(symbol, context);
- return name !== undefined ? name : ts.symbolName(symbol);
- }
- function isDeclarationVisible(node) {
- if (node) {
- var links = getNodeLinks(node);
- if (links.isVisible === undefined) {
- links.isVisible = !!determineIfDeclarationIsVisible();
- }
- return links.isVisible;
- }
- return false;
- function determineIfDeclarationIsVisible() {
- switch (node.kind) {
- case 315 /* JSDocCallbackTag */:
- case 322 /* JSDocTypedefTag */:
- case 316 /* JSDocEnumTag */:
- // Top-level jsdoc type aliases are considered exported
- // First parent is comment node, second is hosting declaration or token; we only care about those tokens or declarations whose parent is a source file
- return !!(node.parent && node.parent.parent && node.parent.parent.parent && ts.isSourceFile(node.parent.parent.parent));
- case 191 /* BindingElement */:
- return isDeclarationVisible(node.parent.parent);
- case 242 /* VariableDeclaration */:
- if (ts.isBindingPattern(node.name) &&
- !node.name.elements.length) {
- // If the binding pattern is empty, this variable declaration is not visible
- return false;
- }
- // falls through
- case 249 /* ModuleDeclaration */:
- case 245 /* ClassDeclaration */:
- case 246 /* InterfaceDeclaration */:
- case 247 /* TypeAliasDeclaration */:
- case 244 /* FunctionDeclaration */:
- case 248 /* EnumDeclaration */:
- case 253 /* ImportEqualsDeclaration */:
- // external module augmentation is always visible
- if (ts.isExternalModuleAugmentation(node)) {
- return true;
- }
- var parent = getDeclarationContainer(node);
- // If the node is not exported or it is not ambient module element (except import declaration)
- if (!(ts.getCombinedModifierFlags(node) & 1 /* Export */) &&
- !(node.kind !== 253 /* ImportEqualsDeclaration */ && parent.kind !== 290 /* SourceFile */ && parent.flags & 8388608 /* Ambient */)) {
- return isGlobalSourceFile(parent);
- }
- // Exported members/ambient module elements (exception import declaration) are visible if parent is visible
- return isDeclarationVisible(parent);
- case 159 /* PropertyDeclaration */:
- case 158 /* PropertySignature */:
- case 163 /* GetAccessor */:
- case 164 /* SetAccessor */:
- case 161 /* MethodDeclaration */:
- case 160 /* MethodSignature */:
- if (ts.hasModifier(node, 8 /* Private */ | 16 /* Protected */)) {
- // Private/protected properties/methods are not visible
- return false;
- }
- // Public properties/methods are visible if its parents are visible, so:
- // falls through
- case 162 /* Constructor */:
- case 166 /* ConstructSignature */:
- case 165 /* CallSignature */:
- case 167 /* IndexSignature */:
- case 156 /* Parameter */:
- case 250 /* ModuleBlock */:
- case 170 /* FunctionType */:
- case 171 /* ConstructorType */:
- case 173 /* TypeLiteral */:
- case 169 /* TypeReference */:
- case 174 /* ArrayType */:
- case 175 /* TupleType */:
- case 178 /* UnionType */:
- case 179 /* IntersectionType */:
- case 182 /* ParenthesizedType */:
- return isDeclarationVisible(node.parent);
- // Default binding, import specifier and namespace import is visible
- // only on demand so by default it is not visible
- case 255 /* ImportClause */:
- case 256 /* NamespaceImport */:
- case 258 /* ImportSpecifier */:
- return false;
- // Type parameters are always visible
- case 155 /* TypeParameter */:
- // Source file and namespace export are always visible
- // falls through
- case 290 /* SourceFile */:
- case 252 /* NamespaceExportDeclaration */:
- return true;
- // Export assignments do not create name bindings outside the module
- case 259 /* ExportAssignment */:
- return false;
- default:
- return false;
- }
- }
- }
- function collectLinkedAliases(node, setVisibility) {
- var exportSymbol;
- if (node.parent && node.parent.kind === 259 /* ExportAssignment */) {
- exportSymbol = resolveName(node, node.escapedText, 111551 /* Value */ | 788968 /* Type */ | 1920 /* Namespace */ | 2097152 /* Alias */, /*nameNotFoundMessage*/ undefined, node, /*isUse*/ false);
- }
- else if (node.parent.kind === 263 /* ExportSpecifier */) {
- exportSymbol = getTargetOfExportSpecifier(node.parent, 111551 /* Value */ | 788968 /* Type */ | 1920 /* Namespace */ | 2097152 /* Alias */);
- }
- var result;
- var visited;
- if (exportSymbol) {
- visited = ts.createMap();
- visited.set("" + getSymbolId(exportSymbol), true);
- buildVisibleNodeList(exportSymbol.declarations);
- }
- return result;
- function buildVisibleNodeList(declarations) {
- ts.forEach(declarations, function (declaration) {
- var resultNode = getAnyImportSyntax(declaration) || declaration;
- if (setVisibility) {
- getNodeLinks(declaration).isVisible = true;
- }
- else {
- result = result || [];
- ts.pushIfUnique(result, resultNode);
- }
- if (ts.isInternalModuleImportEqualsDeclaration(declaration)) {
- // Add the referenced top container visible
- var internalModuleReference = declaration.moduleReference;
- var firstIdentifier = ts.getFirstIdentifier(internalModuleReference);
- var importSymbol = resolveName(declaration, firstIdentifier.escapedText, 111551 /* Value */ | 788968 /* Type */ | 1920 /* Namespace */, undefined, undefined, /*isUse*/ false);
- var id = importSymbol && "" + getSymbolId(importSymbol);
- if (importSymbol && !visited.has(id)) {
- visited.set(id, true);
- buildVisibleNodeList(importSymbol.declarations);
- }
- }
- });
- }
- }
- /**
- * Push an entry on the type resolution stack. If an entry with the given target and the given property name
- * is already on the stack, and no entries in between already have a type, then a circularity has occurred.
- * In this case, the result values of the existing entry and all entries pushed after it are changed to false,
- * and the value false is returned. Otherwise, the new entry is just pushed onto the stack, and true is returned.
- * In order to see if the same query has already been done before, the target object and the propertyName both
- * must match the one passed in.
- *
- * @param target The symbol, type, or signature whose type is being queried
- * @param propertyName The property name that should be used to query the target for its type
- */
- function pushTypeResolution(target, propertyName) {
- var resolutionCycleStartIndex = findResolutionCycleStartIndex(target, propertyName);
- if (resolutionCycleStartIndex >= 0) {
- // A cycle was found
- var length_3 = resolutionTargets.length;
- for (var i = resolutionCycleStartIndex; i < length_3; i++) {
- resolutionResults[i] = false;
- }
- return false;
- }
- resolutionTargets.push(target);
- resolutionResults.push(/*items*/ true);
- resolutionPropertyNames.push(propertyName);
- return true;
- }
- function findResolutionCycleStartIndex(target, propertyName) {
- for (var i = resolutionTargets.length - 1; i >= 0; i--) {
- if (hasType(resolutionTargets[i], resolutionPropertyNames[i])) {
- return -1;
- }
- if (resolutionTargets[i] === target && resolutionPropertyNames[i] === propertyName) {
- return i;
- }
- }
- return -1;
- }
- function hasType(target, propertyName) {
- switch (propertyName) {
- case 0 /* Type */:
- return !!getSymbolLinks(target).type;
- case 5 /* EnumTagType */:
- return !!(getNodeLinks(target).resolvedEnumType);
- case 2 /* DeclaredType */:
- return !!getSymbolLinks(target).declaredType;
- case 1 /* ResolvedBaseConstructorType */:
- return !!target.resolvedBaseConstructorType;
- case 3 /* ResolvedReturnType */:
- return !!target.resolvedReturnType;
- case 4 /* ImmediateBaseConstraint */:
- return !!target.immediateBaseConstraint;
- case 6 /* ResolvedTypeArguments */:
- return !!target.resolvedTypeArguments;
- }
- return ts.Debug.assertNever(propertyName);
- }
- /**
- * Pop an entry from the type resolution stack and return its associated result value. The result value will
- * be true if no circularities were detected, or false if a circularity was found.
- */
- function popTypeResolution() {
- resolutionTargets.pop();
- resolutionPropertyNames.pop();
- return resolutionResults.pop();
- }
- function getDeclarationContainer(node) {
- return ts.findAncestor(ts.getRootDeclaration(node), function (node) {
- switch (node.kind) {
- case 242 /* VariableDeclaration */:
- case 243 /* VariableDeclarationList */:
- case 258 /* ImportSpecifier */:
- case 257 /* NamedImports */:
- case 256 /* NamespaceImport */:
- case 255 /* ImportClause */:
- return false;
- default:
- return true;
- }
- }).parent;
- }
- function getTypeOfPrototypeProperty(prototype) {
- // TypeScript 1.0 spec (April 2014): 8.4
- // Every class automatically contains a static property member named 'prototype',
- // the type of which is an instantiation of the class type with type Any supplied as a type argument for each type parameter.
- // It is an error to explicitly declare a static property member with the name 'prototype'.
- var classType = getDeclaredTypeOfSymbol(getParentOfSymbol(prototype));
- return classType.typeParameters ? createTypeReference(classType, ts.map(classType.typeParameters, function (_) { return anyType; })) : classType;
- }
- // Return the type of the given property in the given type, or undefined if no such property exists
- function getTypeOfPropertyOfType(type, name) {
- var prop = getPropertyOfType(type, name);
- return prop ? getTypeOfSymbol(prop) : undefined;
- }
- function getTypeOfPropertyOrIndexSignature(type, name) {
- return getTypeOfPropertyOfType(type, name) || isNumericLiteralName(name) && getIndexTypeOfType(type, 1 /* Number */) || getIndexTypeOfType(type, 0 /* String */) || unknownType;
- }
- function isTypeAny(type) {
- return type && (type.flags & 1 /* Any */) !== 0;
- }
- // Return the type of a binding element parent. We check SymbolLinks first to see if a type has been
- // assigned by contextual typing.
- function getTypeForBindingElementParent(node) {
- var symbol = getSymbolOfNode(node);
- return symbol && getSymbolLinks(symbol).type || getTypeForVariableLikeDeclaration(node, /*includeOptionality*/ false);
- }
- function getRestType(source, properties, symbol) {
- source = filterType(source, function (t) { return !(t.flags & 98304 /* Nullable */); });
- if (source.flags & 131072 /* Never */) {
- return emptyObjectType;
- }
- if (source.flags & 1048576 /* Union */) {
- return mapType(source, function (t) { return getRestType(t, properties, symbol); });
- }
- var omitKeyType = getUnionType(ts.map(properties, getLiteralTypeFromPropertyName));
- if (isGenericObjectType(source) || isGenericIndexType(omitKeyType)) {
- if (omitKeyType.flags & 131072 /* Never */) {
- return source;
- }
- var omitTypeAlias = getGlobalOmitSymbol();
- if (!omitTypeAlias) {
- return errorType;
- }
- return getTypeAliasInstantiation(omitTypeAlias, [source, omitKeyType]);
- }
- var members = ts.createSymbolTable();
- for (var _i = 0, _a = getPropertiesOfType(source); _i < _a.length; _i++) {
- var prop = _a[_i];
- if (!isTypeAssignableTo(getLiteralTypeFromProperty(prop, 8576 /* StringOrNumberLiteralOrUnique */), omitKeyType)
- && !(ts.getDeclarationModifierFlagsFromSymbol(prop) & (8 /* Private */ | 16 /* Protected */))
- && isSpreadableProperty(prop)) {
- members.set(prop.escapedName, getSpreadSymbol(prop, /*readonly*/ false));
- }
- }
- var stringIndexInfo = getIndexInfoOfType(source, 0 /* String */);
- var numberIndexInfo = getIndexInfoOfType(source, 1 /* Number */);
- var result = createAnonymousType(symbol, members, ts.emptyArray, ts.emptyArray, stringIndexInfo, numberIndexInfo);
- result.objectFlags |= 131072 /* ObjectRestType */;
- return result;
- }
- // Determine the control flow type associated with a destructuring declaration or assignment. The following
- // forms of destructuring are possible:
- // let { x } = obj; // BindingElement
- // let [ x ] = obj; // BindingElement
- // { x } = obj; // ShorthandPropertyAssignment
- // { x: v } = obj; // PropertyAssignment
- // [ x ] = obj; // Expression
- // We construct a synthetic element access expression corresponding to 'obj.x' such that the control
- // flow analyzer doesn't have to handle all the different syntactic forms.
- function getFlowTypeOfDestructuring(node, declaredType) {
- var reference = getSyntheticElementAccess(node);
- return reference ? getFlowTypeOfReference(reference, declaredType) : declaredType;
- }
- function getSyntheticElementAccess(node) {
- var parentAccess = getParentElementAccess(node);
- if (parentAccess && parentAccess.flowNode) {
- var propName = getDestructuringPropertyName(node);
- if (propName) {
- var result = ts.createNode(195 /* ElementAccessExpression */, node.pos, node.end);
- result.parent = node;
- result.expression = parentAccess;
- var literal = ts.createNode(10 /* StringLiteral */, node.pos, node.end);
- literal.parent = result;
- literal.text = propName;
- result.argumentExpression = literal;
- result.flowNode = parentAccess.flowNode;
- return result;
- }
- }
- }
- function getParentElementAccess(node) {
- var ancestor = node.parent.parent;
- switch (ancestor.kind) {
- case 191 /* BindingElement */:
- case 281 /* PropertyAssignment */:
- return getSyntheticElementAccess(ancestor);
- case 192 /* ArrayLiteralExpression */:
- return getSyntheticElementAccess(node.parent);
- case 242 /* VariableDeclaration */:
- return ancestor.initializer;
- case 209 /* BinaryExpression */:
- return ancestor.right;
- }
- }
- function getDestructuringPropertyName(node) {
- var parent = node.parent;
- if (node.kind === 191 /* BindingElement */ && parent.kind === 189 /* ObjectBindingPattern */) {
- return getLiteralPropertyNameText(node.propertyName || node.name);
- }
- if (node.kind === 281 /* PropertyAssignment */ || node.kind === 282 /* ShorthandPropertyAssignment */) {
- return getLiteralPropertyNameText(node.name);
- }
- return "" + parent.elements.indexOf(node);
- }
- function getLiteralPropertyNameText(name) {
- var type = getLiteralTypeFromPropertyName(name);
- return type.flags & (128 /* StringLiteral */ | 256 /* NumberLiteral */) ? "" + type.value : undefined;
- }
- /** Return the inferred type for a binding element */
- function getTypeForBindingElement(declaration) {
- var pattern = declaration.parent;
- var parentType = getTypeForBindingElementParent(pattern.parent);
- // If no type or an any type was inferred for parent, infer that for the binding element
- if (!parentType || isTypeAny(parentType)) {
- return parentType;
- }
- // Relax null check on ambient destructuring parameters, since the parameters have no implementation and are just documentation
- if (strictNullChecks && declaration.flags & 8388608 /* Ambient */ && ts.isParameterDeclaration(declaration)) {
- parentType = getNonNullableType(parentType);
- }
- // Filter `undefined` from the type we check against if the parent has an initializer and that initializer is not possibly `undefined`
- else if (strictNullChecks && pattern.parent.initializer && !(getTypeFacts(getTypeOfInitializer(pattern.parent.initializer)) & 65536 /* EQUndefined */)) {
- parentType = getTypeWithFacts(parentType, 524288 /* NEUndefined */);
- }
- var type;
- if (pattern.kind === 189 /* ObjectBindingPattern */) {
- if (declaration.dotDotDotToken) {
- parentType = getReducedType(parentType);
- if (parentType.flags & 2 /* Unknown */ || !isValidSpreadType(parentType)) {
- error(declaration, ts.Diagnostics.Rest_types_may_only_be_created_from_object_types);
- return errorType;
- }
- var literalMembers = [];
- for (var _i = 0, _a = pattern.elements; _i < _a.length; _i++) {
- var element = _a[_i];
- if (!element.dotDotDotToken) {
- literalMembers.push(element.propertyName || element.name);
- }
- }
- type = getRestType(parentType, literalMembers, declaration.symbol);
- }
- else {
- // Use explicitly specified property name ({ p: xxx } form), or otherwise the implied name ({ p } form)
- var name = declaration.propertyName || declaration.name;
- var indexType = getLiteralTypeFromPropertyName(name);
- var declaredType = getConstraintForLocation(getIndexedAccessType(parentType, indexType, name), declaration.name);
- type = getFlowTypeOfDestructuring(declaration, declaredType);
- }
- }
- else {
- // This elementType will be used if the specific property corresponding to this index is not
- // present (aka the tuple element property). This call also checks that the parentType is in
- // fact an iterable or array (depending on target language).
- var elementType = checkIteratedTypeOrElementType(65 /* Destructuring */, parentType, undefinedType, pattern);
- var index_1 = pattern.elements.indexOf(declaration);
- if (declaration.dotDotDotToken) {
- // If the parent is a tuple type, the rest element has a tuple type of the
- // remaining tuple element types. Otherwise, the rest element has an array type with same
- // element type as the parent type.
- type = everyType(parentType, isTupleType) ?
- mapType(parentType, function (t) { return sliceTupleType(t, index_1); }) :
- createArrayType(elementType);
- }
- else if (isArrayLikeType(parentType)) {
- var indexType = getLiteralType(index_1);
- var accessFlags = hasDefaultValue(declaration) ? 8 /* NoTupleBoundsCheck */ : 0;
- var declaredType = getConstraintForLocation(getIndexedAccessTypeOrUndefined(parentType, indexType, declaration.name, accessFlags) || errorType, declaration.name);
- type = getFlowTypeOfDestructuring(declaration, declaredType);
- }
- else {
- type = elementType;
- }
- }
- if (!declaration.initializer) {
- return type;
- }
- if (ts.getEffectiveTypeAnnotationNode(ts.walkUpBindingElementsAndPatterns(declaration))) {
- // In strict null checking mode, if a default value of a non-undefined type is specified, remove
- // undefined from the final type.
- return strictNullChecks && !(getFalsyFlags(checkDeclarationInitializer(declaration)) & 32768 /* Undefined */) ?
- getTypeWithFacts(type, 524288 /* NEUndefined */) :
- type;
- }
- return widenTypeInferredFromInitializer(declaration, getUnionType([getTypeWithFacts(type, 524288 /* NEUndefined */), checkDeclarationInitializer(declaration)], 2 /* Subtype */));
- }
- function getTypeForDeclarationFromJSDocComment(declaration) {
- var jsdocType = ts.getJSDocType(declaration);
- if (jsdocType) {
- return getTypeFromTypeNode(jsdocType);
- }
- return undefined;
- }
- function isNullOrUndefined(node) {
- var expr = ts.skipParentheses(node);
- return expr.kind === 100 /* NullKeyword */ || expr.kind === 75 /* Identifier */ && getResolvedSymbol(expr) === undefinedSymbol;
- }
- function isEmptyArrayLiteral(node) {
- var expr = ts.skipParentheses(node);
- return expr.kind === 192 /* ArrayLiteralExpression */ && expr.elements.length === 0;
- }
- function addOptionality(type, optional) {
- if (optional === void 0) { optional = true; }
- return strictNullChecks && optional ? getOptionalType(type) : type;
- }
- // Return the inferred type for a variable, parameter, or property declaration
- function getTypeForVariableLikeDeclaration(declaration, includeOptionality) {
- // A variable declared in a for..in statement is of type string, or of type keyof T when the
- // right hand expression is of a type parameter type.
- if (ts.isVariableDeclaration(declaration) && declaration.parent.parent.kind === 231 /* ForInStatement */) {
- var indexType = getIndexType(getNonNullableTypeIfNeeded(checkExpression(declaration.parent.parent.expression)));
- return indexType.flags & (262144 /* TypeParameter */ | 4194304 /* Index */) ? getExtractStringType(indexType) : stringType;
- }
- if (ts.isVariableDeclaration(declaration) && declaration.parent.parent.kind === 232 /* ForOfStatement */) {
- // checkRightHandSideOfForOf will return undefined if the for-of expression type was
- // missing properties/signatures required to get its iteratedType (like
- // [Symbol.iterator] or next). This may be because we accessed properties from anyType,
- // or it may have led to an error inside getElementTypeOfIterable.
- var forOfStatement = declaration.parent.parent;
- return checkRightHandSideOfForOf(forOfStatement) || anyType;
- }
- if (ts.isBindingPattern(declaration.parent)) {
- return getTypeForBindingElement(declaration);
- }
- var isOptional = includeOptionality && (ts.isParameter(declaration) && isJSDocOptionalParameter(declaration)
- || !ts.isBindingElement(declaration) && !ts.isVariableDeclaration(declaration) && !!declaration.questionToken);
- // Use type from type annotation if one is present
- var declaredType = tryGetTypeFromEffectiveTypeNode(declaration);
- if (declaredType) {
- return addOptionality(declaredType, isOptional);
- }
- if ((noImplicitAny || ts.isInJSFile(declaration)) &&
- declaration.kind === 242 /* VariableDeclaration */ && !ts.isBindingPattern(declaration.name) &&
- !(ts.getCombinedModifierFlags(declaration) & 1 /* Export */) && !(declaration.flags & 8388608 /* Ambient */)) {
- // If --noImplicitAny is on or the declaration is in a Javascript file,
- // use control flow tracked 'any' type for non-ambient, non-exported var or let variables with no
- // initializer or a 'null' or 'undefined' initializer.
- if (!(ts.getCombinedNodeFlags(declaration) & 2 /* Const */) && (!declaration.initializer || isNullOrUndefined(declaration.initializer))) {
- return autoType;
- }
- // Use control flow tracked 'any[]' type for non-ambient, non-exported variables with an empty array
- // literal initializer.
- if (declaration.initializer && isEmptyArrayLiteral(declaration.initializer)) {
- return autoArrayType;
- }
- }
- if (declaration.kind === 156 /* Parameter */) {
- var func = declaration.parent;
- // For a parameter of a set accessor, use the type of the get accessor if one is present
- if (func.kind === 164 /* SetAccessor */ && !hasNonBindableDynamicName(func)) {
- var getter = ts.getDeclarationOfKind(getSymbolOfNode(declaration.parent), 163 /* GetAccessor */);
- if (getter) {
- var getterSignature = getSignatureFromDeclaration(getter);
- var thisParameter = getAccessorThisParameter(func);
- if (thisParameter && declaration === thisParameter) {
- // Use the type from the *getter*
- ts.Debug.assert(!thisParameter.type);
- return getTypeOfSymbol(getterSignature.thisParameter);
- }
- return getReturnTypeOfSignature(getterSignature);
- }
- }
- if (ts.isInJSFile(declaration)) {
- var typeTag = ts.getJSDocType(func);
- if (typeTag && ts.isFunctionTypeNode(typeTag)) {
- return getTypeAtPosition(getSignatureFromDeclaration(typeTag), func.parameters.indexOf(declaration));
- }
- }
- // Use contextual parameter type if one is available
- var type = declaration.symbol.escapedName === "this" /* This */ ? getContextualThisParameterType(func) : getContextuallyTypedParameterType(declaration);
- if (type) {
- return addOptionality(type, isOptional);
- }
- }
- else if (ts.isInJSFile(declaration)) {
- var containerObjectType = getJSContainerObjectType(declaration, getSymbolOfNode(declaration), ts.getDeclaredExpandoInitializer(declaration));
- if (containerObjectType) {
- return containerObjectType;
- }
- }
- // Use the type of the initializer expression if one is present and the declaration is
- // not a parameter of a contextually typed function
- if (declaration.initializer) {
- var type = widenTypeInferredFromInitializer(declaration, checkDeclarationInitializer(declaration));
- return addOptionality(type, isOptional);
- }
- if (ts.isJsxAttribute(declaration)) {
- // if JSX attribute doesn't have initializer, by default the attribute will have boolean value of true.
- // I.e <Elem attr /> is sugar for <Elem attr={true} />
- return trueType;
- }
- // If the declaration specifies a binding pattern and is not a parameter of a contextually
- // typed function, use the type implied by the binding pattern
- if (ts.isBindingPattern(declaration.name)) {
- return getTypeFromBindingPattern(declaration.name, /*includePatternInType*/ false, /*reportErrors*/ true);
- }
- // No type specified and nothing can be inferred
- return undefined;
- }
- function getWidenedTypeForAssignmentDeclaration(symbol, resolvedSymbol) {
- // function/class/{} initializers are themselves containers, so they won't merge in the same way as other initializers
- var container = ts.getAssignedExpandoInitializer(symbol.valueDeclaration);
- if (container) {
- var tag = ts.getJSDocTypeTag(container);
- if (tag && tag.typeExpression) {
- return getTypeFromTypeNode(tag.typeExpression);
- }
- var containerObjectType = getJSContainerObjectType(symbol.valueDeclaration, symbol, container);
- return containerObjectType || getWidenedLiteralType(checkExpressionCached(container));
- }
- var definedInConstructor = false;
- var definedInMethod = false;
- var jsdocType;
- var types;
- for (var _i = 0, _a = symbol.declarations; _i < _a.length; _i++) {
- var declaration = _a[_i];
- var expression = (ts.isBinaryExpression(declaration) || ts.isCallExpression(declaration)) ? declaration :
- ts.isAccessExpression(declaration) ? ts.isBinaryExpression(declaration.parent) ? declaration.parent : declaration :
- undefined;
- if (!expression) {
- continue; // Non-assignment declaration merged in (eg, an Identifier to mark the thing as a namespace) - skip over it and pull type info from elsewhere
- }
- var kind = ts.isAccessExpression(expression)
- ? ts.getAssignmentDeclarationPropertyAccessKind(expression)
- : ts.getAssignmentDeclarationKind(expression);
- if (kind === 4 /* ThisProperty */) {
- if (isDeclarationInConstructor(expression)) {
- definedInConstructor = true;
- }
- else {
- definedInMethod = true;
- }
- }
- if (!ts.isCallExpression(expression)) {
- jsdocType = getAnnotatedTypeForAssignmentDeclaration(jsdocType, expression, symbol, declaration);
- }
- if (!jsdocType) {
- (types || (types = [])).push((ts.isBinaryExpression(expression) || ts.isCallExpression(expression)) ? getInitializerTypeFromAssignmentDeclaration(symbol, resolvedSymbol, expression, kind) : neverType);
- }
- }
- var type = jsdocType;
- if (!type) {
- if (!ts.length(types)) {
- return errorType; // No types from any declarations :(
- }
- var constructorTypes = definedInConstructor ? getConstructorDefinedThisAssignmentTypes(types, symbol.declarations) : undefined;
- // use only the constructor types unless they were only assigned null | undefined (including widening variants)
- if (definedInMethod) {
- var propType = getTypeOfAssignmentDeclarationPropertyOfBaseType(symbol);
- if (propType) {
- (constructorTypes || (constructorTypes = [])).push(propType);
- definedInConstructor = true;
- }
- }
- var sourceTypes = ts.some(constructorTypes, function (t) { return !!(t.flags & ~98304 /* Nullable */); }) ? constructorTypes : types; // TODO: GH#18217
- type = getUnionType(sourceTypes, 2 /* Subtype */);
- }
- var widened = getWidenedType(addOptionality(type, definedInMethod && !definedInConstructor));
- if (filterType(widened, function (t) { return !!(t.flags & ~98304 /* Nullable */); }) === neverType) {
- reportImplicitAny(symbol.valueDeclaration, anyType);
- return anyType;
- }
- return widened;
- }
- function getJSContainerObjectType(decl, symbol, init) {
- if (!ts.isInJSFile(decl) || !init || !ts.isObjectLiteralExpression(init) || init.properties.length) {
- return undefined;
- }
- var exports = ts.createSymbolTable();
- while (ts.isBinaryExpression(decl) || ts.isPropertyAccessExpression(decl)) {
- var s_2 = getSymbolOfNode(decl);
- if (s_2 && ts.hasEntries(s_2.exports)) {
- mergeSymbolTable(exports, s_2.exports);
- }
- decl = ts.isBinaryExpression(decl) ? decl.parent : decl.parent.parent;
- }
- var s = getSymbolOfNode(decl);
- if (s && ts.hasEntries(s.exports)) {
- mergeSymbolTable(exports, s.exports);
- }
- var type = createAnonymousType(symbol, exports, ts.emptyArray, ts.emptyArray, undefined, undefined);
- type.objectFlags |= 16384 /* JSLiteral */;
- return type;
- }
- function getAnnotatedTypeForAssignmentDeclaration(declaredType, expression, symbol, declaration) {
- var typeNode = ts.getEffectiveTypeAnnotationNode(expression.parent);
- if (typeNode) {
- var type = getWidenedType(getTypeFromTypeNode(typeNode));
- if (!declaredType) {
- return type;
- }
- else if (declaredType !== errorType && type !== errorType && !isTypeIdenticalTo(declaredType, type)) {
- errorNextVariableOrPropertyDeclarationMustHaveSameType(/*firstDeclaration*/ undefined, declaredType, declaration, type);
- }
- }
- if (symbol.parent) {
- var typeNode_2 = ts.getEffectiveTypeAnnotationNode(symbol.parent.valueDeclaration);
- if (typeNode_2) {
- return getTypeOfPropertyOfType(getTypeFromTypeNode(typeNode_2), symbol.escapedName);
- }
- }
- return declaredType;
- }
- /** If we don't have an explicit JSDoc type, get the type from the initializer. */
- function getInitializerTypeFromAssignmentDeclaration(symbol, resolvedSymbol, expression, kind) {
- if (ts.isCallExpression(expression)) {
- if (resolvedSymbol) {
- return getTypeOfSymbol(resolvedSymbol); // This shouldn't happen except under some hopefully forbidden merges of export assignments and object define assignments
- }
- var objectLitType = checkExpressionCached(expression.arguments[2]);
- var valueType = getTypeOfPropertyOfType(objectLitType, "value");
- if (valueType) {
- return valueType;
- }
- var getFunc = getTypeOfPropertyOfType(objectLitType, "get");
- if (getFunc) {
- var getSig = getSingleCallSignature(getFunc);
- if (getSig) {
- return getReturnTypeOfSignature(getSig);
- }
- }
- var setFunc = getTypeOfPropertyOfType(objectLitType, "set");
- if (setFunc) {
- var setSig = getSingleCallSignature(setFunc);
- if (setSig) {
- return getTypeOfFirstParameterOfSignature(setSig);
- }
- }
- return anyType;
- }
- if (containsSameNamedThisProperty(expression.left, expression.right)) {
- return anyType;
- }
- var type = resolvedSymbol ? getTypeOfSymbol(resolvedSymbol) : getWidenedLiteralType(checkExpressionCached(expression.right));
- if (type.flags & 524288 /* Object */ &&
- kind === 2 /* ModuleExports */ &&
- symbol.escapedName === "export=" /* ExportEquals */) {
- var exportedType = resolveStructuredTypeMembers(type);
- var members_4 = ts.createSymbolTable();
- ts.copyEntries(exportedType.members, members_4);
- if (resolvedSymbol && !resolvedSymbol.exports) {
- resolvedSymbol.exports = ts.createSymbolTable();
- }
- (resolvedSymbol || symbol).exports.forEach(function (s, name) {
- var _a;
- var exportedMember = members_4.get(name);
- if (exportedMember && exportedMember !== s) {
- if (s.flags & 111551 /* Value */) {
- // If the member has an additional value-like declaration, union the types from the two declarations,
- // but issue an error if they occurred in two different files. The purpose is to support a JS file with
- // a pattern like:
- //
- // module.exports = { a: true };
- // module.exports.a = 3;
- //
- // but we may have a JS file with `module.exports = { a: true }` along with a TypeScript module augmentation
- // declaring an `export const a: number`. In that case, we issue a duplicate identifier error, because
- // it's unclear what that's supposed to mean, so it's probably a mistake.
- if (ts.getSourceFileOfNode(s.valueDeclaration) !== ts.getSourceFileOfNode(exportedMember.valueDeclaration)) {
- var unescapedName = ts.unescapeLeadingUnderscores(s.escapedName);
- var exportedMemberName = ((_a = ts.tryCast(exportedMember.valueDeclaration, ts.isNamedDeclaration)) === null || _a === void 0 ? void 0 : _a.name) || exportedMember.valueDeclaration;
- ts.addRelatedInfo(error(s.valueDeclaration, ts.Diagnostics.Duplicate_identifier_0, unescapedName), ts.createDiagnosticForNode(exportedMemberName, ts.Diagnostics._0_was_also_declared_here, unescapedName));
- ts.addRelatedInfo(error(exportedMemberName, ts.Diagnostics.Duplicate_identifier_0, unescapedName), ts.createDiagnosticForNode(s.valueDeclaration, ts.Diagnostics._0_was_also_declared_here, unescapedName));
- }
- var union = createSymbol(s.flags | exportedMember.flags, name);
- union.type = getUnionType([getTypeOfSymbol(s), getTypeOfSymbol(exportedMember)]);
- union.valueDeclaration = exportedMember.valueDeclaration;
- union.declarations = ts.concatenate(exportedMember.declarations, s.declarations);
- members_4.set(name, union);
- }
- else {
- members_4.set(name, mergeSymbol(s, exportedMember));
- }
- }
- else {
- members_4.set(name, s);
- }
- });
- var result = createAnonymousType(exportedType.symbol, members_4, exportedType.callSignatures, exportedType.constructSignatures, exportedType.stringIndexInfo, exportedType.numberIndexInfo);
- result.objectFlags |= (ts.getObjectFlags(type) & 16384 /* JSLiteral */); // Propagate JSLiteral flag
- return result;
- }
- if (isEmptyArrayLiteralType(type)) {
- reportImplicitAny(expression, anyArrayType);
- return anyArrayType;
- }
- return type;
- }
- function containsSameNamedThisProperty(thisProperty, expression) {
- return ts.isPropertyAccessExpression(thisProperty)
- && thisProperty.expression.kind === 104 /* ThisKeyword */
- && ts.forEachChildRecursively(expression, function (n) { return isMatchingReference(thisProperty, n); });
- }
- function isDeclarationInConstructor(expression) {
- var thisContainer = ts.getThisContainer(expression, /*includeArrowFunctions*/ false);
- // Properties defined in a constructor (or base constructor, or javascript constructor function) don't get undefined added.
- // Function expressions that are assigned to the prototype count as methods.
- return thisContainer.kind === 162 /* Constructor */ ||
- thisContainer.kind === 244 /* FunctionDeclaration */ ||
- (thisContainer.kind === 201 /* FunctionExpression */ && !ts.isPrototypePropertyAssignment(thisContainer.parent));
- }
- function getConstructorDefinedThisAssignmentTypes(types, declarations) {
- ts.Debug.assert(types.length === declarations.length);
- return types.filter(function (_, i) {
- var declaration = declarations[i];
- var expression = ts.isBinaryExpression(declaration) ? declaration :
- ts.isBinaryExpression(declaration.parent) ? declaration.parent : undefined;
- return expression && isDeclarationInConstructor(expression);
- });
- }
- /** check for definition in base class if any declaration is in a class */
- function getTypeOfAssignmentDeclarationPropertyOfBaseType(property) {
- var parentDeclaration = ts.forEach(property.declarations, function (d) {
- var parent = ts.getThisContainer(d, /*includeArrowFunctions*/ false).parent;
- return ts.isClassLike(parent) && parent;
- });
- if (parentDeclaration) {
- var classType = getDeclaredTypeOfSymbol(getSymbolOfNode(parentDeclaration));
- var baseClassType = classType && getBaseTypes(classType)[0];
- if (baseClassType) {
- return getTypeOfPropertyOfType(baseClassType, property.escapedName);
- }
- }
- }
- // Return the type implied by a binding pattern element. This is the type of the initializer of the element if
- // one is present. Otherwise, if the element is itself a binding pattern, it is the type implied by the binding
- // pattern. Otherwise, it is the type any.
- function getTypeFromBindingElement(element, includePatternInType, reportErrors) {
- if (element.initializer) {
- // The type implied by a binding pattern is independent of context, so we check the initializer with no
- // contextual type or, if the element itself is a binding pattern, with the type implied by that binding
- // pattern.
- var contextualType = ts.isBindingPattern(element.name) ? getTypeFromBindingPattern(element.name, /*includePatternInType*/ true, /*reportErrors*/ false) : unknownType;
- return addOptionality(widenTypeInferredFromInitializer(element, checkDeclarationInitializer(element, contextualType)));
- }
- if (ts.isBindingPattern(element.name)) {
- return getTypeFromBindingPattern(element.name, includePatternInType, reportErrors);
- }
- if (reportErrors && !declarationBelongsToPrivateAmbientMember(element)) {
- reportImplicitAny(element, anyType);
- }
- // When we're including the pattern in the type (an indication we're obtaining a contextual type), we
- // use the non-inferrable any type. Inference will never directly infer this type, but it is possible
- // to infer a type that contains it, e.g. for a binding pattern like [foo] or { foo }. In such cases,
- // widening of the binding pattern type substitutes a regular any for the non-inferrable any.
- return includePatternInType ? nonInferrableAnyType : anyType;
- }
- // Return the type implied by an object binding pattern
- function getTypeFromObjectBindingPattern(pattern, includePatternInType, reportErrors) {
- var members = ts.createSymbolTable();
- var stringIndexInfo;
- var objectFlags = 128 /* ObjectLiteral */ | 1048576 /* ContainsObjectOrArrayLiteral */;
- ts.forEach(pattern.elements, function (e) {
- var name = e.propertyName || e.name;
- if (e.dotDotDotToken) {
- stringIndexInfo = createIndexInfo(anyType, /*isReadonly*/ false);
- return;
- }
- var exprType = getLiteralTypeFromPropertyName(name);
- if (!isTypeUsableAsPropertyName(exprType)) {
- // do not include computed properties in the implied type
- objectFlags |= 512 /* ObjectLiteralPatternWithComputedProperties */;
- return;
- }
- var text = getPropertyNameFromType(exprType);
- var flags = 4 /* Property */ | (e.initializer ? 16777216 /* Optional */ : 0);
- var symbol = createSymbol(flags, text);
- symbol.type = getTypeFromBindingElement(e, includePatternInType, reportErrors);
- symbol.bindingElement = e;
- members.set(symbol.escapedName, symbol);
- });
- var result = createAnonymousType(undefined, members, ts.emptyArray, ts.emptyArray, stringIndexInfo, undefined);
- result.objectFlags |= objectFlags;
- if (includePatternInType) {
- result.pattern = pattern;
- result.objectFlags |= 1048576 /* ContainsObjectOrArrayLiteral */;
- }
- return result;
- }
- // Return the type implied by an array binding pattern
- function getTypeFromArrayBindingPattern(pattern, includePatternInType, reportErrors) {
- var elements = pattern.elements;
- var lastElement = ts.lastOrUndefined(elements);
- var hasRestElement = !!(lastElement && lastElement.kind === 191 /* BindingElement */ && lastElement.dotDotDotToken);
- if (elements.length === 0 || elements.length === 1 && hasRestElement) {
- return languageVersion >= 2 /* ES2015 */ ? createIterableType(anyType) : anyArrayType;
- }
- var elementTypes = ts.map(elements, function (e) { return ts.isOmittedExpression(e) ? anyType : getTypeFromBindingElement(e, includePatternInType, reportErrors); });
- var minLength = ts.findLastIndex(elements, function (e) { return !ts.isOmittedExpression(e) && !hasDefaultValue(e); }, elements.length - (hasRestElement ? 2 : 1)) + 1;
- var result = createTupleType(elementTypes, minLength, hasRestElement);
- if (includePatternInType) {
- result = cloneTypeReference(result);
- result.pattern = pattern;
- result.objectFlags |= 1048576 /* ContainsObjectOrArrayLiteral */;
- }
- return result;
- }
- // Return the type implied by a binding pattern. This is the type implied purely by the binding pattern itself
- // and without regard to its context (i.e. without regard any type annotation or initializer associated with the
- // declaration in which the binding pattern is contained). For example, the implied type of [x, y] is [any, any]
- // and the implied type of { x, y: z = 1 } is { x: any; y: number; }. The type implied by a binding pattern is
- // used as the contextual type of an initializer associated with the binding pattern. Also, for a destructuring
- // parameter with no type annotation or initializer, the type implied by the binding pattern becomes the type of
- // the parameter.
- function getTypeFromBindingPattern(pattern, includePatternInType, reportErrors) {
- if (includePatternInType === void 0) { includePatternInType = false; }
- if (reportErrors === void 0) { reportErrors = false; }
- return pattern.kind === 189 /* ObjectBindingPattern */
- ? getTypeFromObjectBindingPattern(pattern, includePatternInType, reportErrors)
- : getTypeFromArrayBindingPattern(pattern, includePatternInType, reportErrors);
- }
- // Return the type associated with a variable, parameter, or property declaration. In the simple case this is the type
- // specified in a type annotation or inferred from an initializer. However, in the case of a destructuring declaration it
- // is a bit more involved. For example:
- //
- // var [x, s = ""] = [1, "one"];
- //
- // Here, the array literal [1, "one"] is contextually typed by the type [any, string], which is the implied type of the
- // binding pattern [x, s = ""]. Because the contextual type is a tuple type, the resulting type of [1, "one"] is the
- // tuple type [number, string]. Thus, the type inferred for 'x' is number and the type inferred for 's' is string.
- function getWidenedTypeForVariableLikeDeclaration(declaration, reportErrors) {
- return widenTypeForVariableLikeDeclaration(getTypeForVariableLikeDeclaration(declaration, /*includeOptionality*/ true), declaration, reportErrors);
- }
- function widenTypeForVariableLikeDeclaration(type, declaration, reportErrors) {
- if (type) {
- if (reportErrors) {
- reportErrorsFromWidening(declaration, type);
- }
- // always widen a 'unique symbol' type if the type was created for a different declaration.
- if (type.flags & 8192 /* UniqueESSymbol */ && (ts.isBindingElement(declaration) || !declaration.type) && type.symbol !== getSymbolOfNode(declaration)) {
- type = esSymbolType;
- }
- return getWidenedType(type);
- }
- // Rest parameters default to type any[], other parameters default to type any
- type = ts.isParameter(declaration) && declaration.dotDotDotToken ? anyArrayType : anyType;
- // Report implicit any errors unless this is a private property within an ambient declaration
- if (reportErrors) {
- if (!declarationBelongsToPrivateAmbientMember(declaration)) {
- reportImplicitAny(declaration, type);
- }
- }
- return type;
- }
- function declarationBelongsToPrivateAmbientMember(declaration) {
- var root = ts.getRootDeclaration(declaration);
- var memberDeclaration = root.kind === 156 /* Parameter */ ? root.parent : root;
- return isPrivateWithinAmbient(memberDeclaration);
- }
- function tryGetTypeFromEffectiveTypeNode(declaration) {
- var typeNode = ts.getEffectiveTypeAnnotationNode(declaration);
- if (typeNode) {
- return getTypeFromTypeNode(typeNode);
- }
- }
- function getTypeOfVariableOrParameterOrProperty(symbol) {
- var links = getSymbolLinks(symbol);
- if (!links.type) {
- var type = getTypeOfVariableOrParameterOrPropertyWorker(symbol);
- // For a contextually typed parameter it is possible that a type has already
- // been assigned (in assignTypeToParameterAndFixTypeParameters), and we want
- // to preserve this type.
- if (!links.type) {
- links.type = type;
- }
- }
- return links.type;
- }
- function getTypeOfVariableOrParameterOrPropertyWorker(symbol) {
- // Handle prototype property
- if (symbol.flags & 4194304 /* Prototype */) {
- return getTypeOfPrototypeProperty(symbol);
- }
- // CommonsJS require and module both have type any.
- if (symbol === requireSymbol) {
- return anyType;
- }
- if (symbol.flags & 134217728 /* ModuleExports */) {
- var fileSymbol = getSymbolOfNode(ts.getSourceFileOfNode(symbol.valueDeclaration));
- var members = ts.createSymbolTable();
- members.set("exports", fileSymbol);
- return createAnonymousType(symbol, members, ts.emptyArray, ts.emptyArray, undefined, undefined);
- }
- // Handle catch clause variables
- var declaration = symbol.valueDeclaration;
- if (ts.isCatchClauseVariableDeclarationOrBindingElement(declaration)) {
- return anyType;
- }
- // Handle export default expressions
- if (ts.isSourceFile(declaration) && ts.isJsonSourceFile(declaration)) {
- if (!declaration.statements.length) {
- return emptyObjectType;
- }
- return getWidenedType(getWidenedLiteralType(checkExpression(declaration.statements[0].expression)));
- }
- // Handle variable, parameter or property
- if (!pushTypeResolution(symbol, 0 /* Type */)) {
- // Symbol is property of some kind that is merged with something - should use `getTypeOfFuncClassEnumModule` and not `getTypeOfVariableOrParameterOrProperty`
- if (symbol.flags & 512 /* ValueModule */ && !(symbol.flags & 67108864 /* Assignment */)) {
- return getTypeOfFuncClassEnumModule(symbol);
- }
- return reportCircularityError(symbol);
- }
- var type;
- if (declaration.kind === 259 /* ExportAssignment */) {
- type = widenTypeForVariableLikeDeclaration(checkExpressionCached(declaration.expression), declaration);
- }
- else if (ts.isBinaryExpression(declaration) ||
- (ts.isInJSFile(declaration) &&
- (ts.isCallExpression(declaration) || (ts.isPropertyAccessExpression(declaration) || ts.isBindableStaticElementAccessExpression(declaration)) && ts.isBinaryExpression(declaration.parent)))) {
- type = getWidenedTypeForAssignmentDeclaration(symbol);
- }
- else if (ts.isJSDocPropertyLikeTag(declaration)
- || ts.isPropertyAccessExpression(declaration)
- || ts.isElementAccessExpression(declaration)
- || ts.isIdentifier(declaration)
- || ts.isStringLiteralLike(declaration)
- || ts.isNumericLiteral(declaration)
- || ts.isClassDeclaration(declaration)
- || ts.isFunctionDeclaration(declaration)
- || (ts.isMethodDeclaration(declaration) && !ts.isObjectLiteralMethod(declaration))
- || ts.isMethodSignature(declaration)
- || ts.isSourceFile(declaration)) {
- // Symbol is property of some kind that is merged with something - should use `getTypeOfFuncClassEnumModule` and not `getTypeOfVariableOrParameterOrProperty`
- if (symbol.flags & (16 /* Function */ | 8192 /* Method */ | 32 /* Class */ | 384 /* Enum */ | 512 /* ValueModule */)) {
- return getTypeOfFuncClassEnumModule(symbol);
- }
- type = ts.isBinaryExpression(declaration.parent) ?
- getWidenedTypeForAssignmentDeclaration(symbol) :
- tryGetTypeFromEffectiveTypeNode(declaration) || anyType;
- }
- else if (ts.isPropertyAssignment(declaration)) {
- type = tryGetTypeFromEffectiveTypeNode(declaration) || checkPropertyAssignment(declaration);
- }
- else if (ts.isJsxAttribute(declaration)) {
- type = tryGetTypeFromEffectiveTypeNode(declaration) || checkJsxAttribute(declaration);
- }
- else if (ts.isShorthandPropertyAssignment(declaration)) {
- type = tryGetTypeFromEffectiveTypeNode(declaration) || checkExpressionForMutableLocation(declaration.name, 0 /* Normal */);
- }
- else if (ts.isObjectLiteralMethod(declaration)) {
- type = tryGetTypeFromEffectiveTypeNode(declaration) || checkObjectLiteralMethod(declaration, 0 /* Normal */);
- }
- else if (ts.isParameter(declaration)
- || ts.isPropertyDeclaration(declaration)
- || ts.isPropertySignature(declaration)
- || ts.isVariableDeclaration(declaration)
- || ts.isBindingElement(declaration)) {
- type = getWidenedTypeForVariableLikeDeclaration(declaration, /*includeOptionality*/ true);
- }
- // getTypeOfSymbol dispatches some JS merges incorrectly because their symbol flags are not mutually exclusive.
- // Re-dispatch based on valueDeclaration.kind instead.
- else if (ts.isEnumDeclaration(declaration)) {
- type = getTypeOfFuncClassEnumModule(symbol);
- }
- else if (ts.isEnumMember(declaration)) {
- type = getTypeOfEnumMember(symbol);
- }
- else if (ts.isAccessor(declaration)) {
- type = resolveTypeOfAccessors(symbol);
- }
- else {
- return ts.Debug.fail("Unhandled declaration kind! " + ts.Debug.formatSyntaxKind(declaration.kind) + " for " + ts.Debug.formatSymbol(symbol));
- }
- if (!popTypeResolution()) {
- // Symbol is property of some kind that is merged with something - should use `getTypeOfFuncClassEnumModule` and not `getTypeOfVariableOrParameterOrProperty`
- if (symbol.flags & 512 /* ValueModule */ && !(symbol.flags & 67108864 /* Assignment */)) {
- return getTypeOfFuncClassEnumModule(symbol);
- }
- return reportCircularityError(symbol);
- }
- return type;
- }
- function getAnnotatedAccessorTypeNode(accessor) {
- if (accessor) {
- if (accessor.kind === 163 /* GetAccessor */) {
- var getterTypeAnnotation = ts.getEffectiveReturnTypeNode(accessor);
- return getterTypeAnnotation;
- }
- else {
- var setterTypeAnnotation = ts.getEffectiveSetAccessorTypeAnnotationNode(accessor);
- return setterTypeAnnotation;
- }
- }
- return undefined;
- }
- function getAnnotatedAccessorType(accessor) {
- var node = getAnnotatedAccessorTypeNode(accessor);
- return node && getTypeFromTypeNode(node);
- }
- function getAnnotatedAccessorThisParameter(accessor) {
- var parameter = getAccessorThisParameter(accessor);
- return parameter && parameter.symbol;
- }
- function getThisTypeOfDeclaration(declaration) {
- return getThisTypeOfSignature(getSignatureFromDeclaration(declaration));
- }
- function getTypeOfAccessors(symbol) {
- var links = getSymbolLinks(symbol);
- return links.type || (links.type = getTypeOfAccessorsWorker(symbol));
- }
- function getTypeOfAccessorsWorker(symbol) {
- if (!pushTypeResolution(symbol, 0 /* Type */)) {
- return errorType;
- }
- var type = resolveTypeOfAccessors(symbol);
- if (!popTypeResolution()) {
- type = anyType;
- if (noImplicitAny) {
- var getter = ts.getDeclarationOfKind(symbol, 163 /* GetAccessor */);
- error(getter, ts.Diagnostics._0_implicitly_has_return_type_any_because_it_does_not_have_a_return_type_annotation_and_is_referenced_directly_or_indirectly_in_one_of_its_return_expressions, symbolToString(symbol));
- }
- }
- return type;
- }
- function resolveTypeOfAccessors(symbol) {
- var getter = ts.getDeclarationOfKind(symbol, 163 /* GetAccessor */);
- var setter = ts.getDeclarationOfKind(symbol, 164 /* SetAccessor */);
- if (getter && ts.isInJSFile(getter)) {
- var jsDocType = getTypeForDeclarationFromJSDocComment(getter);
- if (jsDocType) {
- return jsDocType;
- }
- }
- // First try to see if the user specified a return type on the get-accessor.
- var getterReturnType = getAnnotatedAccessorType(getter);
- if (getterReturnType) {
- return getterReturnType;
- }
- else {
- // If the user didn't specify a return type, try to use the set-accessor's parameter type.
- var setterParameterType = getAnnotatedAccessorType(setter);
- if (setterParameterType) {
- return setterParameterType;
- }
- else {
- // If there are no specified types, try to infer it from the body of the get accessor if it exists.
- if (getter && getter.body) {
- return getReturnTypeFromBody(getter);
- }
- // Otherwise, fall back to 'any'.
- else {
- if (setter) {
- if (!isPrivateWithinAmbient(setter)) {
- errorOrSuggestion(noImplicitAny, setter, ts.Diagnostics.Property_0_implicitly_has_type_any_because_its_set_accessor_lacks_a_parameter_type_annotation, symbolToString(symbol));
- }
- }
- else {
- ts.Debug.assert(!!getter, "there must exist a getter as we are current checking either setter or getter in this function");
- if (!isPrivateWithinAmbient(getter)) {
- errorOrSuggestion(noImplicitAny, getter, ts.Diagnostics.Property_0_implicitly_has_type_any_because_its_get_accessor_lacks_a_return_type_annotation, symbolToString(symbol));
- }
- }
- return anyType;
- }
- }
- }
- }
- function getBaseTypeVariableOfClass(symbol) {
- var baseConstructorType = getBaseConstructorTypeOfClass(getDeclaredTypeOfClassOrInterface(symbol));
- return baseConstructorType.flags & 8650752 /* TypeVariable */ ? baseConstructorType :
- baseConstructorType.flags & 2097152 /* Intersection */ ? ts.find(baseConstructorType.types, function (t) { return !!(t.flags & 8650752 /* TypeVariable */); }) :
- undefined;
- }
- function getTypeOfFuncClassEnumModule(symbol) {
- var links = getSymbolLinks(symbol);
- var originalLinks = links;
- if (!links.type) {
- var jsDeclaration = symbol.valueDeclaration && ts.getDeclarationOfExpando(symbol.valueDeclaration);
- if (jsDeclaration) {
- var merged = mergeJSSymbols(symbol, getSymbolOfNode(jsDeclaration));
- if (merged) {
- // note:we overwrite links because we just cloned the symbol
- symbol = links = merged;
- }
- }
- originalLinks.type = links.type = getTypeOfFuncClassEnumModuleWorker(symbol);
- }
- return links.type;
- }
- function getTypeOfFuncClassEnumModuleWorker(symbol) {
- var declaration = symbol.valueDeclaration;
- if (symbol.flags & 1536 /* Module */ && ts.isShorthandAmbientModuleSymbol(symbol)) {
- return anyType;
- }
- else if (declaration && (declaration.kind === 209 /* BinaryExpression */ ||
- ts.isAccessExpression(declaration) &&
- declaration.parent.kind === 209 /* BinaryExpression */)) {
- return getWidenedTypeForAssignmentDeclaration(symbol);
- }
- else if (symbol.flags & 512 /* ValueModule */ && declaration && ts.isSourceFile(declaration) && declaration.commonJsModuleIndicator) {
- var resolvedModule = resolveExternalModuleSymbol(symbol);
- if (resolvedModule !== symbol) {
- if (!pushTypeResolution(symbol, 0 /* Type */)) {
- return errorType;
- }
- var exportEquals = getMergedSymbol(symbol.exports.get("export=" /* ExportEquals */));
- var type_1 = getWidenedTypeForAssignmentDeclaration(exportEquals, exportEquals === resolvedModule ? undefined : resolvedModule);
- if (!popTypeResolution()) {
- return reportCircularityError(symbol);
- }
- return type_1;
- }
- }
- var type = createObjectType(16 /* Anonymous */, symbol);
- if (symbol.flags & 32 /* Class */) {
- var baseTypeVariable = getBaseTypeVariableOfClass(symbol);
- return baseTypeVariable ? getIntersectionType([type, baseTypeVariable]) : type;
- }
- else {
- return strictNullChecks && symbol.flags & 16777216 /* Optional */ ? getOptionalType(type) : type;
- }
- }
- function getTypeOfEnumMember(symbol) {
- var links = getSymbolLinks(symbol);
- return links.type || (links.type = getDeclaredTypeOfEnumMember(symbol));
- }
- function getTypeOfAlias(symbol) {
- var links = getSymbolLinks(symbol);
- if (!links.type) {
- var targetSymbol = resolveAlias(symbol);
- // It only makes sense to get the type of a value symbol. If the result of resolving
- // the alias is not a value, then it has no type. To get the type associated with a
- // type symbol, call getDeclaredTypeOfSymbol.
- // This check is important because without it, a call to getTypeOfSymbol could end
- // up recursively calling getTypeOfAlias, causing a stack overflow.
- links.type = targetSymbol.flags & 111551 /* Value */
- ? getTypeOfSymbol(targetSymbol)
- : errorType;
- }
- return links.type;
- }
- function getTypeOfInstantiatedSymbol(symbol) {
- var links = getSymbolLinks(symbol);
- if (!links.type) {
- if (!pushTypeResolution(symbol, 0 /* Type */)) {
- return links.type = errorType;
- }
- var type = instantiateType(getTypeOfSymbol(links.target), links.mapper);
- if (!popTypeResolution()) {
- type = reportCircularityError(symbol);
- }
- links.type = type;
- }
- return links.type;
- }
- function reportCircularityError(symbol) {
- var declaration = symbol.valueDeclaration;
- // Check if variable has type annotation that circularly references the variable itself
- if (ts.getEffectiveTypeAnnotationNode(declaration)) {
- error(symbol.valueDeclaration, ts.Diagnostics._0_is_referenced_directly_or_indirectly_in_its_own_type_annotation, symbolToString(symbol));
- return errorType;
- }
- // Check if variable has initializer that circularly references the variable itself
- if (noImplicitAny && (declaration.kind !== 156 /* Parameter */ || declaration.initializer)) {
- error(symbol.valueDeclaration, ts.Diagnostics._0_implicitly_has_type_any_because_it_does_not_have_a_type_annotation_and_is_referenced_directly_or_indirectly_in_its_own_initializer, symbolToString(symbol));
- }
- // Circularities could also result from parameters in function expressions that end up
- // having themselves as contextual types following type argument inference. In those cases
- // we have already reported an implicit any error so we don't report anything here.
- return anyType;
- }
- function getTypeOfSymbolWithDeferredType(symbol) {
- var links = getSymbolLinks(symbol);
- if (!links.type) {
- ts.Debug.assertIsDefined(links.deferralParent);
- ts.Debug.assertIsDefined(links.deferralConstituents);
- links.type = links.deferralParent.flags & 1048576 /* Union */ ? getUnionType(links.deferralConstituents) : getIntersectionType(links.deferralConstituents);
- }
- return links.type;
- }
- function getTypeOfSymbol(symbol) {
- var checkFlags = ts.getCheckFlags(symbol);
- if (checkFlags & 65536 /* DeferredType */) {
- return getTypeOfSymbolWithDeferredType(symbol);
- }
- if (checkFlags & 1 /* Instantiated */) {
- return getTypeOfInstantiatedSymbol(symbol);
- }
- if (checkFlags & 262144 /* Mapped */) {
- return getTypeOfMappedSymbol(symbol);
- }
- if (checkFlags & 8192 /* ReverseMapped */) {
- return getTypeOfReverseMappedSymbol(symbol);
- }
- if (symbol.flags & (3 /* Variable */ | 4 /* Property */)) {
- return getTypeOfVariableOrParameterOrProperty(symbol);
- }
- if (symbol.flags & (16 /* Function */ | 8192 /* Method */ | 32 /* Class */ | 384 /* Enum */ | 512 /* ValueModule */)) {
- return getTypeOfFuncClassEnumModule(symbol);
- }
- if (symbol.flags & 8 /* EnumMember */) {
- return getTypeOfEnumMember(symbol);
- }
- if (symbol.flags & 98304 /* Accessor */) {
- return getTypeOfAccessors(symbol);
- }
- if (symbol.flags & 2097152 /* Alias */) {
- return getTypeOfAlias(symbol);
- }
- return errorType;
- }
- function isReferenceToType(type, target) {
- return type !== undefined
- && target !== undefined
- && (ts.getObjectFlags(type) & 4 /* Reference */) !== 0
- && type.target === target;
- }
- function getTargetType(type) {
- return ts.getObjectFlags(type) & 4 /* Reference */ ? type.target : type;
- }
- // TODO: GH#18217 If `checkBase` is undefined, we should not call this because this will always return false.
- function hasBaseType(type, checkBase) {
- return check(type);
- function check(type) {
- if (ts.getObjectFlags(type) & (3 /* ClassOrInterface */ | 4 /* Reference */)) {
- var target = getTargetType(type);
- return target === checkBase || ts.some(getBaseTypes(target), check);
- }
- else if (type.flags & 2097152 /* Intersection */) {
- return ts.some(type.types, check);
- }
- return false;
- }
- }
- // Appends the type parameters given by a list of declarations to a set of type parameters and returns the resulting set.
- // The function allocates a new array if the input type parameter set is undefined, but otherwise it modifies the set
- // in-place and returns the same array.
- function appendTypeParameters(typeParameters, declarations) {
- for (var _i = 0, declarations_2 = declarations; _i < declarations_2.length; _i++) {
- var declaration = declarations_2[_i];
- typeParameters = ts.appendIfUnique(typeParameters, getDeclaredTypeOfTypeParameter(getSymbolOfNode(declaration)));
- }
- return typeParameters;
- }
- // Return the outer type parameters of a node or undefined if the node has no outer type parameters.
- function getOuterTypeParameters(node, includeThisTypes) {
- while (true) {
- node = node.parent; // TODO: GH#18217 Use SourceFile kind check instead
- if (node && ts.isBinaryExpression(node)) {
- // prototype assignments get the outer type parameters of their constructor function
- var assignmentKind = ts.getAssignmentDeclarationKind(node);
- if (assignmentKind === 6 /* Prototype */ || assignmentKind === 3 /* PrototypeProperty */) {
- var symbol = getSymbolOfNode(node.left);
- if (symbol && symbol.parent && !ts.findAncestor(symbol.parent.valueDeclaration, function (d) { return node === d; })) {
- node = symbol.parent.valueDeclaration;
- }
- }
- }
- if (!node) {
- return undefined;
- }
- switch (node.kind) {
- case 225 /* VariableStatement */:
- case 245 /* ClassDeclaration */:
- case 214 /* ClassExpression */:
- case 246 /* InterfaceDeclaration */:
- case 165 /* CallSignature */:
- case 166 /* ConstructSignature */:
- case 160 /* MethodSignature */:
- case 170 /* FunctionType */:
- case 171 /* ConstructorType */:
- case 300 /* JSDocFunctionType */:
- case 244 /* FunctionDeclaration */:
- case 161 /* MethodDeclaration */:
- case 201 /* FunctionExpression */:
- case 202 /* ArrowFunction */:
- case 247 /* TypeAliasDeclaration */:
- case 321 /* JSDocTemplateTag */:
- case 322 /* JSDocTypedefTag */:
- case 316 /* JSDocEnumTag */:
- case 315 /* JSDocCallbackTag */:
- case 186 /* MappedType */:
- case 180 /* ConditionalType */:
- var outerTypeParameters = getOuterTypeParameters(node, includeThisTypes);
- if (node.kind === 186 /* MappedType */) {
- return ts.append(outerTypeParameters, getDeclaredTypeOfTypeParameter(getSymbolOfNode(node.typeParameter)));
- }
- else if (node.kind === 180 /* ConditionalType */) {
- return ts.concatenate(outerTypeParameters, getInferTypeParameters(node));
- }
- else if (node.kind === 225 /* VariableStatement */ && !ts.isInJSFile(node)) {
- break;
- }
- var outerAndOwnTypeParameters = appendTypeParameters(outerTypeParameters, ts.getEffectiveTypeParameterDeclarations(node));
- var thisType = includeThisTypes &&
- (node.kind === 245 /* ClassDeclaration */ || node.kind === 214 /* ClassExpression */ || node.kind === 246 /* InterfaceDeclaration */ || isJSConstructor(node)) &&
- getDeclaredTypeOfClassOrInterface(getSymbolOfNode(node)).thisType;
- return thisType ? ts.append(outerAndOwnTypeParameters, thisType) : outerAndOwnTypeParameters;
- }
- }
- }
- // The outer type parameters are those defined by enclosing generic classes, methods, or functions.
- function getOuterTypeParametersOfClassOrInterface(symbol) {
- var declaration = symbol.flags & 32 /* Class */ ? symbol.valueDeclaration : ts.getDeclarationOfKind(symbol, 246 /* InterfaceDeclaration */);
- ts.Debug.assert(!!declaration, "Class was missing valueDeclaration -OR- non-class had no interface declarations");
- return getOuterTypeParameters(declaration);
- }
- // The local type parameters are the combined set of type parameters from all declarations of the class,
- // interface, or type alias.
- function getLocalTypeParametersOfClassOrInterfaceOrTypeAlias(symbol) {
- var result;
- for (var _i = 0, _a = symbol.declarations; _i < _a.length; _i++) {
- var node = _a[_i];
- if (node.kind === 246 /* InterfaceDeclaration */ ||
- node.kind === 245 /* ClassDeclaration */ ||
- node.kind === 214 /* ClassExpression */ ||
- isJSConstructor(node) ||
- ts.isTypeAlias(node)) {
- var declaration = node;
- result = appendTypeParameters(result, ts.getEffectiveTypeParameterDeclarations(declaration));
- }
- }
- return result;
- }
- // The full set of type parameters for a generic class or interface type consists of its outer type parameters plus
- // its locally declared type parameters.
- function getTypeParametersOfClassOrInterface(symbol) {
- return ts.concatenate(getOuterTypeParametersOfClassOrInterface(symbol), getLocalTypeParametersOfClassOrInterfaceOrTypeAlias(symbol));
- }
- // A type is a mixin constructor if it has a single construct signature taking no type parameters and a single
- // rest parameter of type any[].
- function isMixinConstructorType(type) {
- var signatures = getSignaturesOfType(type, 1 /* Construct */);
- if (signatures.length === 1) {
- var s = signatures[0];
- return !s.typeParameters && s.parameters.length === 1 && signatureHasRestParameter(s) && getElementTypeOfArrayType(getTypeOfParameter(s.parameters[0])) === anyType;
- }
- return false;
- }
- function isConstructorType(type) {
- if (getSignaturesOfType(type, 1 /* Construct */).length > 0) {
- return true;
- }
- if (type.flags & 8650752 /* TypeVariable */) {
- var constraint = getBaseConstraintOfType(type);
- return !!constraint && isMixinConstructorType(constraint);
- }
- return false;
- }
- function getBaseTypeNodeOfClass(type) {
- return ts.getEffectiveBaseTypeNode(type.symbol.valueDeclaration);
- }
- function getConstructorsForTypeArguments(type, typeArgumentNodes, location) {
- var typeArgCount = ts.length(typeArgumentNodes);
- var isJavascript = ts.isInJSFile(location);
- return ts.filter(getSignaturesOfType(type, 1 /* Construct */), function (sig) { return (isJavascript || typeArgCount >= getMinTypeArgumentCount(sig.typeParameters)) && typeArgCount <= ts.length(sig.typeParameters); });
- }
- function getInstantiatedConstructorsForTypeArguments(type, typeArgumentNodes, location) {
- var signatures = getConstructorsForTypeArguments(type, typeArgumentNodes, location);
- var typeArguments = ts.map(typeArgumentNodes, getTypeFromTypeNode);
- return ts.sameMap(signatures, function (sig) { return ts.some(sig.typeParameters) ? getSignatureInstantiation(sig, typeArguments, ts.isInJSFile(location)) : sig; });
- }
- /**
- * The base constructor of a class can resolve to
- * * undefinedType if the class has no extends clause,
- * * unknownType if an error occurred during resolution of the extends expression,
- * * nullType if the extends expression is the null value,
- * * anyType if the extends expression has type any, or
- * * an object type with at least one construct signature.
- */
- function getBaseConstructorTypeOfClass(type) {
- if (!type.resolvedBaseConstructorType) {
- var decl = type.symbol.valueDeclaration;
- var extended = ts.getEffectiveBaseTypeNode(decl);
- var baseTypeNode = getBaseTypeNodeOfClass(type);
- if (!baseTypeNode) {
- return type.resolvedBaseConstructorType = undefinedType;
- }
- if (!pushTypeResolution(type, 1 /* ResolvedBaseConstructorType */)) {
- return errorType;
- }
- var baseConstructorType = checkExpression(baseTypeNode.expression);
- if (extended && baseTypeNode !== extended) {
- ts.Debug.assert(!extended.typeArguments); // Because this is in a JS file, and baseTypeNode is in an @extends tag
- checkExpression(extended.expression);
- }
- if (baseConstructorType.flags & (524288 /* Object */ | 2097152 /* Intersection */)) {
- // Resolving the members of a class requires us to resolve the base class of that class.
- // We force resolution here such that we catch circularities now.
- resolveStructuredTypeMembers(baseConstructorType);
- }
- if (!popTypeResolution()) {
- error(type.symbol.valueDeclaration, ts.Diagnostics._0_is_referenced_directly_or_indirectly_in_its_own_base_expression, symbolToString(type.symbol));
- return type.resolvedBaseConstructorType = errorType;
- }
- if (!(baseConstructorType.flags & 1 /* Any */) && baseConstructorType !== nullWideningType && !isConstructorType(baseConstructorType)) {
- var err = error(baseTypeNode.expression, ts.Diagnostics.Type_0_is_not_a_constructor_function_type, typeToString(baseConstructorType));
- if (baseConstructorType.flags & 262144 /* TypeParameter */) {
- var constraint = getConstraintFromTypeParameter(baseConstructorType);
- var ctorReturn = unknownType;
- if (constraint) {
- var ctorSig = getSignaturesOfType(constraint, 1 /* Construct */);
- if (ctorSig[0]) {
- ctorReturn = getReturnTypeOfSignature(ctorSig[0]);
- }
- }
- ts.addRelatedInfo(err, ts.createDiagnosticForNode(baseConstructorType.symbol.declarations[0], ts.Diagnostics.Did_you_mean_for_0_to_be_constrained_to_type_new_args_Colon_any_1, symbolToString(baseConstructorType.symbol), typeToString(ctorReturn)));
- }
- return type.resolvedBaseConstructorType = errorType;
- }
- type.resolvedBaseConstructorType = baseConstructorType;
- }
- return type.resolvedBaseConstructorType;
- }
- function getImplementsTypes(type) {
- var resolvedImplementsTypes = ts.emptyArray;
- for (var _i = 0, _a = type.symbol.declarations; _i < _a.length; _i++) {
- var declaration = _a[_i];
- var implementsTypeNodes = ts.getEffectiveImplementsTypeNodes(declaration);
- if (!implementsTypeNodes)
- continue;
- for (var _b = 0, implementsTypeNodes_1 = implementsTypeNodes; _b < implementsTypeNodes_1.length; _b++) {
- var node = implementsTypeNodes_1[_b];
- var implementsType = getTypeFromTypeNode(node);
- if (implementsType !== errorType) {
- if (resolvedImplementsTypes === ts.emptyArray) {
- resolvedImplementsTypes = [implementsType];
- }
- else {
- resolvedImplementsTypes.push(implementsType);
- }
- }
- }
- }
- return resolvedImplementsTypes;
- }
- function getBaseTypes(type) {
- if (!type.resolvedBaseTypes) {
- if (type.objectFlags & 8 /* Tuple */) {
- type.resolvedBaseTypes = [createArrayType(getUnionType(type.typeParameters || ts.emptyArray), type.readonly)];
- }
- else if (type.symbol.flags & (32 /* Class */ | 64 /* Interface */)) {
- if (type.symbol.flags & 32 /* Class */) {
- resolveBaseTypesOfClass(type);
- }
- if (type.symbol.flags & 64 /* Interface */) {
- resolveBaseTypesOfInterface(type);
- }
- }
- else {
- ts.Debug.fail("type must be class or interface");
- }
- }
- return type.resolvedBaseTypes;
- }
- function resolveBaseTypesOfClass(type) {
- type.resolvedBaseTypes = ts.resolvingEmptyArray;
- var baseConstructorType = getApparentType(getBaseConstructorTypeOfClass(type));
- if (!(baseConstructorType.flags & (524288 /* Object */ | 2097152 /* Intersection */ | 1 /* Any */))) {
- return type.resolvedBaseTypes = ts.emptyArray;
- }
- var baseTypeNode = getBaseTypeNodeOfClass(type);
- var baseType;
- var originalBaseType = baseConstructorType.symbol ? getDeclaredTypeOfSymbol(baseConstructorType.symbol) : undefined;
- if (baseConstructorType.symbol && baseConstructorType.symbol.flags & 32 /* Class */ &&
- areAllOuterTypeParametersApplied(originalBaseType)) {
- // When base constructor type is a class with no captured type arguments we know that the constructors all have the same type parameters as the
- // class and all return the instance type of the class. There is no need for further checks and we can apply the
- // type arguments in the same manner as a type reference to get the same error reporting experience.
- baseType = getTypeFromClassOrInterfaceReference(baseTypeNode, baseConstructorType.symbol);
- }
- else if (baseConstructorType.flags & 1 /* Any */) {
- baseType = baseConstructorType;
- }
- else {
- // The class derives from a "class-like" constructor function, check that we have at least one construct signature
- // with a matching number of type parameters and use the return type of the first instantiated signature. Elsewhere
- // we check that all instantiated signatures return the same type.
- var constructors = getInstantiatedConstructorsForTypeArguments(baseConstructorType, baseTypeNode.typeArguments, baseTypeNode);
- if (!constructors.length) {
- error(baseTypeNode.expression, ts.Diagnostics.No_base_constructor_has_the_specified_number_of_type_arguments);
- return type.resolvedBaseTypes = ts.emptyArray;
- }
- baseType = getReturnTypeOfSignature(constructors[0]);
- }
- if (baseType === errorType) {
- return type.resolvedBaseTypes = ts.emptyArray;
- }
- var reducedBaseType = getReducedType(baseType);
- if (!isValidBaseType(reducedBaseType)) {
- var elaboration = elaborateNeverIntersection(/*errorInfo*/ undefined, baseType);
- var diagnostic = ts.chainDiagnosticMessages(elaboration, ts.Diagnostics.Base_constructor_return_type_0_is_not_an_object_type_or_intersection_of_object_types_with_statically_known_members, typeToString(reducedBaseType));
- diagnostics.add(ts.createDiagnosticForNodeFromMessageChain(baseTypeNode.expression, diagnostic));
- return type.resolvedBaseTypes = ts.emptyArray;
- }
- if (type === reducedBaseType || hasBaseType(reducedBaseType, type)) {
- error(type.symbol.valueDeclaration, ts.Diagnostics.Type_0_recursively_references_itself_as_a_base_type, typeToString(type, /*enclosingDeclaration*/ undefined, 2 /* WriteArrayAsGenericType */));
- return type.resolvedBaseTypes = ts.emptyArray;
- }
- if (type.resolvedBaseTypes === ts.resolvingEmptyArray) {
- // Circular reference, likely through instantiation of default parameters
- // (otherwise there'd be an error from hasBaseType) - this is fine, but `.members` should be reset
- // as `getIndexedAccessType` via `instantiateType` via `getTypeFromClassOrInterfaceReference` forces a
- // partial instantiation of the members without the base types fully resolved
- type.members = undefined;
- }
- return type.resolvedBaseTypes = [reducedBaseType];
- }
- function areAllOuterTypeParametersApplied(type) {
- // An unapplied type parameter has its symbol still the same as the matching argument symbol.
- // Since parameters are applied outer-to-inner, only the last outer parameter needs to be checked.
- var outerTypeParameters = type.outerTypeParameters;
- if (outerTypeParameters) {
- var last_1 = outerTypeParameters.length - 1;
- var typeArguments = getTypeArguments(type);
- return outerTypeParameters[last_1].symbol !== typeArguments[last_1].symbol;
- }
- return true;
- }
- // A valid base type is `any`, an object type or intersection of object types.
- function isValidBaseType(type) {
- if (type.flags & 262144 /* TypeParameter */) {
- var constraint = getBaseConstraintOfType(type);
- if (constraint) {
- return isValidBaseType(constraint);
- }
- }
- // TODO: Given that we allow type parmeters here now, is this `!isGenericMappedType(type)` check really needed?
- // There's no reason a `T` should be allowed while a `Readonly<T>` should not.
- return !!(type.flags & (524288 /* Object */ | 67108864 /* NonPrimitive */ | 1 /* Any */) && !isGenericMappedType(type) ||
- type.flags & 2097152 /* Intersection */ && ts.every(type.types, isValidBaseType));
- }
- function resolveBaseTypesOfInterface(type) {
- type.resolvedBaseTypes = type.resolvedBaseTypes || ts.emptyArray;
- for (var _i = 0, _a = type.symbol.declarations; _i < _a.length; _i++) {
- var declaration = _a[_i];
- if (declaration.kind === 246 /* InterfaceDeclaration */ && ts.getInterfaceBaseTypeNodes(declaration)) {
- for (var _b = 0, _c = ts.getInterfaceBaseTypeNodes(declaration); _b < _c.length; _b++) {
- var node = _c[_b];
- var baseType = getReducedType(getTypeFromTypeNode(node));
- if (baseType !== errorType) {
- if (isValidBaseType(baseType)) {
- if (type !== baseType && !hasBaseType(baseType, type)) {
- if (type.resolvedBaseTypes === ts.emptyArray) {
- type.resolvedBaseTypes = [baseType];
- }
- else {
- type.resolvedBaseTypes.push(baseType);
- }
- }
- else {
- error(declaration, ts.Diagnostics.Type_0_recursively_references_itself_as_a_base_type, typeToString(type, /*enclosingDeclaration*/ undefined, 2 /* WriteArrayAsGenericType */));
- }
- }
- else {
- error(node, ts.Diagnostics.An_interface_can_only_extend_an_object_type_or_intersection_of_object_types_with_statically_known_members);
- }
- }
- }
- }
- }
- }
- /**
- * Returns true if the interface given by the symbol is free of "this" references.
- *
- * Specifically, the result is true if the interface itself contains no references
- * to "this" in its body, if all base types are interfaces,
- * and if none of the base interfaces have a "this" type.
- */
- function isThislessInterface(symbol) {
- for (var _i = 0, _a = symbol.declarations; _i < _a.length; _i++) {
- var declaration = _a[_i];
- if (declaration.kind === 246 /* InterfaceDeclaration */) {
- if (declaration.flags & 128 /* ContainsThis */) {
- return false;
- }
- var baseTypeNodes = ts.getInterfaceBaseTypeNodes(declaration);
- if (baseTypeNodes) {
- for (var _b = 0, baseTypeNodes_1 = baseTypeNodes; _b < baseTypeNodes_1.length; _b++) {
- var node = baseTypeNodes_1[_b];
- if (ts.isEntityNameExpression(node.expression)) {
- var baseSymbol = resolveEntityName(node.expression, 788968 /* Type */, /*ignoreErrors*/ true);
- if (!baseSymbol || !(baseSymbol.flags & 64 /* Interface */) || getDeclaredTypeOfClassOrInterface(baseSymbol).thisType) {
- return false;
- }
- }
- }
- }
- }
- }
- return true;
- }
- function getDeclaredTypeOfClassOrInterface(symbol) {
- var links = getSymbolLinks(symbol);
- var originalLinks = links;
- if (!links.declaredType) {
- var kind = symbol.flags & 32 /* Class */ ? 1 /* Class */ : 2 /* Interface */;
- var merged = mergeJSSymbols(symbol, getAssignedClassSymbol(symbol.valueDeclaration));
- if (merged) {
- // note:we overwrite links because we just cloned the symbol
- symbol = links = merged;
- }
- var type = originalLinks.declaredType = links.declaredType = createObjectType(kind, symbol);
- var outerTypeParameters = getOuterTypeParametersOfClassOrInterface(symbol);
- var localTypeParameters = getLocalTypeParametersOfClassOrInterfaceOrTypeAlias(symbol);
- // A class or interface is generic if it has type parameters or a "this" type. We always give classes a "this" type
- // because it is not feasible to analyze all members to determine if the "this" type escapes the class (in particular,
- // property types inferred from initializers and method return types inferred from return statements are very hard
- // to exhaustively analyze). We give interfaces a "this" type if we can't definitely determine that they are free of
- // "this" references.
- if (outerTypeParameters || localTypeParameters || kind === 1 /* Class */ || !isThislessInterface(symbol)) {
- type.objectFlags |= 4 /* Reference */;
- type.typeParameters = ts.concatenate(outerTypeParameters, localTypeParameters);
- type.outerTypeParameters = outerTypeParameters;
- type.localTypeParameters = localTypeParameters;
- type.instantiations = ts.createMap();
- type.instantiations.set(getTypeListId(type.typeParameters), type);
- type.target = type;
- type.resolvedTypeArguments = type.typeParameters;
- type.thisType = createTypeParameter(symbol);
- type.thisType.isThisType = true;
- type.thisType.constraint = type;
- }
- }
- return links.declaredType;
- }
- function getDeclaredTypeOfTypeAlias(symbol) {
- var links = getSymbolLinks(symbol);
- if (!links.declaredType) {
- // Note that we use the links object as the target here because the symbol object is used as the unique
- // identity for resolution of the 'type' property in SymbolLinks.
- if (!pushTypeResolution(symbol, 2 /* DeclaredType */)) {
- return errorType;
- }
- var declaration = ts.Debug.checkDefined(ts.find(symbol.declarations, ts.isTypeAlias), "Type alias symbol with no valid declaration found");
- var typeNode = ts.isJSDocTypeAlias(declaration) ? declaration.typeExpression : declaration.type;
- // If typeNode is missing, we will error in checkJSDocTypedefTag.
- var type = typeNode ? getTypeFromTypeNode(typeNode) : errorType;
- if (popTypeResolution()) {
- var typeParameters = getLocalTypeParametersOfClassOrInterfaceOrTypeAlias(symbol);
- if (typeParameters) {
- // Initialize the instantiation cache for generic type aliases. The declared type corresponds to
- // an instantiation of the type alias with the type parameters supplied as type arguments.
- links.typeParameters = typeParameters;
- links.instantiations = ts.createMap();
- links.instantiations.set(getTypeListId(typeParameters), type);
- }
- }
- else {
- type = errorType;
- error(ts.isNamedDeclaration(declaration) ? declaration.name : declaration || declaration, ts.Diagnostics.Type_alias_0_circularly_references_itself, symbolToString(symbol));
- }
- links.declaredType = type;
- }
- return links.declaredType;
- }
- function isStringConcatExpression(expr) {
- if (ts.isStringLiteralLike(expr)) {
- return true;
- }
- else if (expr.kind === 209 /* BinaryExpression */) {
- return isStringConcatExpression(expr.left) && isStringConcatExpression(expr.right);
- }
- return false;
- }
- function isLiteralEnumMember(member) {
- var expr = member.initializer;
- if (!expr) {
- return !(member.flags & 8388608 /* Ambient */);
- }
- switch (expr.kind) {
- case 10 /* StringLiteral */:
- case 8 /* NumericLiteral */:
- case 14 /* NoSubstitutionTemplateLiteral */:
- return true;
- case 207 /* PrefixUnaryExpression */:
- return expr.operator === 40 /* MinusToken */ &&
- expr.operand.kind === 8 /* NumericLiteral */;
- case 75 /* Identifier */:
- return ts.nodeIsMissing(expr) || !!getSymbolOfNode(member.parent).exports.get(expr.escapedText);
- case 209 /* BinaryExpression */:
- return isStringConcatExpression(expr);
- default:
- return false;
- }
- }
- function getEnumKind(symbol) {
- var links = getSymbolLinks(symbol);
- if (links.enumKind !== undefined) {
- return links.enumKind;
- }
- var hasNonLiteralMember = false;
- for (var _i = 0, _a = symbol.declarations; _i < _a.length; _i++) {
- var declaration = _a[_i];
- if (declaration.kind === 248 /* EnumDeclaration */) {
- for (var _b = 0, _c = declaration.members; _b < _c.length; _b++) {
- var member = _c[_b];
- if (member.initializer && ts.isStringLiteralLike(member.initializer)) {
- return links.enumKind = 1 /* Literal */;
- }
- if (!isLiteralEnumMember(member)) {
- hasNonLiteralMember = true;
- }
- }
- }
- }
- return links.enumKind = hasNonLiteralMember ? 0 /* Numeric */ : 1 /* Literal */;
- }
- function getBaseTypeOfEnumLiteralType(type) {
- return type.flags & 1024 /* EnumLiteral */ && !(type.flags & 1048576 /* Union */) ? getDeclaredTypeOfSymbol(getParentOfSymbol(type.symbol)) : type;
- }
- function getDeclaredTypeOfEnum(symbol) {
- var links = getSymbolLinks(symbol);
- if (links.declaredType) {
- return links.declaredType;
- }
- if (getEnumKind(symbol) === 1 /* Literal */) {
- enumCount++;
- var memberTypeList = [];
- for (var _i = 0, _a = symbol.declarations; _i < _a.length; _i++) {
- var declaration = _a[_i];
- if (declaration.kind === 248 /* EnumDeclaration */) {
- for (var _b = 0, _c = declaration.members; _b < _c.length; _b++) {
- var member = _c[_b];
- var value = getEnumMemberValue(member);
- var memberType = getFreshTypeOfLiteralType(getLiteralType(value !== undefined ? value : 0, enumCount, getSymbolOfNode(member)));
- getSymbolLinks(getSymbolOfNode(member)).declaredType = memberType;
- memberTypeList.push(getRegularTypeOfLiteralType(memberType));
- }
- }
- }
- if (memberTypeList.length) {
- var enumType_1 = getUnionType(memberTypeList, 1 /* Literal */, symbol, /*aliasTypeArguments*/ undefined);
- if (enumType_1.flags & 1048576 /* Union */) {
- enumType_1.flags |= 1024 /* EnumLiteral */;
- enumType_1.symbol = symbol;
- }
- return links.declaredType = enumType_1;
- }
- }
- var enumType = createType(32 /* Enum */);
- enumType.symbol = symbol;
- return links.declaredType = enumType;
- }
- function getDeclaredTypeOfEnumMember(symbol) {
- var links = getSymbolLinks(symbol);
- if (!links.declaredType) {
- var enumType = getDeclaredTypeOfEnum(getParentOfSymbol(symbol));
- if (!links.declaredType) {
- links.declaredType = enumType;
- }
- }
- return links.declaredType;
- }
- function getDeclaredTypeOfTypeParameter(symbol) {
- var links = getSymbolLinks(symbol);
- return links.declaredType || (links.declaredType = createTypeParameter(symbol));
- }
- function getDeclaredTypeOfAlias(symbol) {
- var links = getSymbolLinks(symbol);
- return links.declaredType || (links.declaredType = getDeclaredTypeOfSymbol(resolveAlias(symbol)));
- }
- function getDeclaredTypeOfSymbol(symbol) {
- return tryGetDeclaredTypeOfSymbol(symbol) || errorType;
- }
- function tryGetDeclaredTypeOfSymbol(symbol) {
- if (symbol.flags & (32 /* Class */ | 64 /* Interface */)) {
- return getDeclaredTypeOfClassOrInterface(symbol);
- }
- if (symbol.flags & 524288 /* TypeAlias */) {
- return getDeclaredTypeOfTypeAlias(symbol);
- }
- if (symbol.flags & 262144 /* TypeParameter */) {
- return getDeclaredTypeOfTypeParameter(symbol);
- }
- if (symbol.flags & 384 /* Enum */) {
- return getDeclaredTypeOfEnum(symbol);
- }
- if (symbol.flags & 8 /* EnumMember */) {
- return getDeclaredTypeOfEnumMember(symbol);
- }
- if (symbol.flags & 2097152 /* Alias */) {
- return getDeclaredTypeOfAlias(symbol);
- }
- return undefined;
- }
- /**
- * A type is free of this references if it's the any, string, number, boolean, symbol, or void keyword, a string
- * literal type, an array with an element type that is free of this references, or a type reference that is
- * free of this references.
- */
- function isThislessType(node) {
- switch (node.kind) {
- case 125 /* AnyKeyword */:
- case 148 /* UnknownKeyword */:
- case 143 /* StringKeyword */:
- case 140 /* NumberKeyword */:
- case 151 /* BigIntKeyword */:
- case 128 /* BooleanKeyword */:
- case 144 /* SymbolKeyword */:
- case 141 /* ObjectKeyword */:
- case 110 /* VoidKeyword */:
- case 146 /* UndefinedKeyword */:
- case 100 /* NullKeyword */:
- case 137 /* NeverKeyword */:
- case 187 /* LiteralType */:
- return true;
- case 174 /* ArrayType */:
- return isThislessType(node.elementType);
- case 169 /* TypeReference */:
- return !node.typeArguments || node.typeArguments.every(isThislessType);
- }
- return false;
- }
- /** A type parameter is thisless if its constraint is thisless, or if it has no constraint. */
- function isThislessTypeParameter(node) {
- var constraint = ts.getEffectiveConstraintOfTypeParameter(node);
- return !constraint || isThislessType(constraint);
- }
- /**
- * A variable-like declaration is free of this references if it has a type annotation
- * that is thisless, or if it has no type annotation and no initializer (and is thus of type any).
- */
- function isThislessVariableLikeDeclaration(node) {
- var typeNode = ts.getEffectiveTypeAnnotationNode(node);
- return typeNode ? isThislessType(typeNode) : !ts.hasInitializer(node);
- }
- /**
- * A function-like declaration is considered free of `this` references if it has a return type
- * annotation that is free of this references and if each parameter is thisless and if
- * each type parameter (if present) is thisless.
- */
- function isThislessFunctionLikeDeclaration(node) {
- var returnType = ts.getEffectiveReturnTypeNode(node);
- var typeParameters = ts.getEffectiveTypeParameterDeclarations(node);
- return (node.kind === 162 /* Constructor */ || (!!returnType && isThislessType(returnType))) &&
- node.parameters.every(isThislessVariableLikeDeclaration) &&
- typeParameters.every(isThislessTypeParameter);
- }
- /**
- * Returns true if the class or interface member given by the symbol is free of "this" references. The
- * function may return false for symbols that are actually free of "this" references because it is not
- * feasible to perform a complete analysis in all cases. In particular, property members with types
- * inferred from their initializers and function members with inferred return types are conservatively
- * assumed not to be free of "this" references.
- */
- function isThisless(symbol) {
- if (symbol.declarations && symbol.declarations.length === 1) {
- var declaration = symbol.declarations[0];
- if (declaration) {
- switch (declaration.kind) {
- case 159 /* PropertyDeclaration */:
- case 158 /* PropertySignature */:
- return isThislessVariableLikeDeclaration(declaration);
- case 161 /* MethodDeclaration */:
- case 160 /* MethodSignature */:
- case 162 /* Constructor */:
- case 163 /* GetAccessor */:
- case 164 /* SetAccessor */:
- return isThislessFunctionLikeDeclaration(declaration);
- }
- }
- }
- return false;
- }
- // The mappingThisOnly flag indicates that the only type parameter being mapped is "this". When the flag is true,
- // we check symbols to see if we can quickly conclude they are free of "this" references, thus needing no instantiation.
- function createInstantiatedSymbolTable(symbols, mapper, mappingThisOnly) {
- var result = ts.createSymbolTable();
- for (var _i = 0, symbols_2 = symbols; _i < symbols_2.length; _i++) {
- var symbol = symbols_2[_i];
- result.set(symbol.escapedName, mappingThisOnly && isThisless(symbol) ? symbol : instantiateSymbol(symbol, mapper));
- }
- return result;
- }
- function addInheritedMembers(symbols, baseSymbols) {
- for (var _i = 0, baseSymbols_1 = baseSymbols; _i < baseSymbols_1.length; _i++) {
- var s = baseSymbols_1[_i];
- if (!symbols.has(s.escapedName) && !isStaticPrivateIdentifierProperty(s)) {
- symbols.set(s.escapedName, s);
- }
- }
- }
- function isStaticPrivateIdentifierProperty(s) {
- return !!s.valueDeclaration && ts.isPrivateIdentifierPropertyDeclaration(s.valueDeclaration) && ts.hasModifier(s.valueDeclaration, 32 /* Static */);
- }
- function resolveDeclaredMembers(type) {
- if (!type.declaredProperties) {
- var symbol = type.symbol;
- var members = getMembersOfSymbol(symbol);
- type.declaredProperties = getNamedMembers(members);
- // Start with signatures at empty array in case of recursive types
- type.declaredCallSignatures = ts.emptyArray;
- type.declaredConstructSignatures = ts.emptyArray;
- type.declaredCallSignatures = getSignaturesOfSymbol(members.get("__call" /* Call */));
- type.declaredConstructSignatures = getSignaturesOfSymbol(members.get("__new" /* New */));
- type.declaredStringIndexInfo = getIndexInfoOfSymbol(symbol, 0 /* String */);
- type.declaredNumberIndexInfo = getIndexInfoOfSymbol(symbol, 1 /* Number */);
- }
- return type;
- }
- /**
- * Indicates whether a type can be used as a property name.
- */
- function isTypeUsableAsPropertyName(type) {
- return !!(type.flags & 8576 /* StringOrNumberLiteralOrUnique */);
- }
- /**
- * Indicates whether a declaration name is definitely late-bindable.
- * A declaration name is only late-bindable if:
- * - It is a `ComputedPropertyName`.
- * - Its expression is an `Identifier` or either a `PropertyAccessExpression` an
- * `ElementAccessExpression` consisting only of these same three types of nodes.
- * - The type of its expression is a string or numeric literal type, or is a `unique symbol` type.
- */
- function isLateBindableName(node) {
- if (!ts.isComputedPropertyName(node) && !ts.isElementAccessExpression(node)) {
- return false;
- }
- var expr = ts.isComputedPropertyName(node) ? node.expression : node.argumentExpression;
- return ts.isEntityNameExpression(expr)
- && isTypeUsableAsPropertyName(ts.isComputedPropertyName(node) ? checkComputedPropertyName(node) : checkExpressionCached(expr));
- }
- function isLateBoundName(name) {
- return name.charCodeAt(0) === 95 /* _ */ &&
- name.charCodeAt(1) === 95 /* _ */ &&
- name.charCodeAt(2) === 64 /* at */;
- }
- /**
- * Indicates whether a declaration has a late-bindable dynamic name.
- */
- function hasLateBindableName(node) {
- var name = ts.getNameOfDeclaration(node);
- return !!name && isLateBindableName(name);
- }
- /**
- * Indicates whether a declaration has a dynamic name that cannot be late-bound.
- */
- function hasNonBindableDynamicName(node) {
- return ts.hasDynamicName(node) && !hasLateBindableName(node);
- }
- /**
- * Indicates whether a declaration name is a dynamic name that cannot be late-bound.
- */
- function isNonBindableDynamicName(node) {
- return ts.isDynamicName(node) && !isLateBindableName(node);
- }
- /**
- * Gets the symbolic name for a member from its type.
- */
- function getPropertyNameFromType(type) {
- if (type.flags & 8192 /* UniqueESSymbol */) {
- return type.escapedName;
- }
- if (type.flags & (128 /* StringLiteral */ | 256 /* NumberLiteral */)) {
- return ts.escapeLeadingUnderscores("" + type.value);
- }
- return ts.Debug.fail();
- }
- /**
- * Adds a declaration to a late-bound dynamic member. This performs the same function for
- * late-bound members that `addDeclarationToSymbol` in binder.ts performs for early-bound
- * members.
- */
- function addDeclarationToLateBoundSymbol(symbol, member, symbolFlags) {
- ts.Debug.assert(!!(ts.getCheckFlags(symbol) & 4096 /* Late */), "Expected a late-bound symbol.");
- symbol.flags |= symbolFlags;
- getSymbolLinks(member.symbol).lateSymbol = symbol;
- if (!symbol.declarations) {
- symbol.declarations = [member];
- }
- else {
- symbol.declarations.push(member);
- }
- if (symbolFlags & 111551 /* Value */) {
- if (!symbol.valueDeclaration || symbol.valueDeclaration.kind !== member.kind) {
- symbol.valueDeclaration = member;
- }
- }
- }
- /**
- * Performs late-binding of a dynamic member. This performs the same function for
- * late-bound members that `declareSymbol` in binder.ts performs for early-bound
- * members.
- *
- * If a symbol is a dynamic name from a computed property, we perform an additional "late"
- * binding phase to attempt to resolve the name for the symbol from the type of the computed
- * property's expression. If the type of the expression is a string-literal, numeric-literal,
- * or unique symbol type, we can use that type as the name of the symbol.
- *
- * For example, given:
- *
- * const x = Symbol();
- *
- * interface I {
- * [x]: number;
- * }
- *
- * The binder gives the property `[x]: number` a special symbol with the name "__computed".
- * In the late-binding phase we can type-check the expression `x` and see that it has a
- * unique symbol type which we can then use as the name of the member. This allows users
- * to define custom symbols that can be used in the members of an object type.
- *
- * @param parent The containing symbol for the member.
- * @param earlySymbols The early-bound symbols of the parent.
- * @param lateSymbols The late-bound symbols of the parent.
- * @param decl The member to bind.
- */
- function lateBindMember(parent, earlySymbols, lateSymbols, decl) {
- ts.Debug.assert(!!decl.symbol, "The member is expected to have a symbol.");
- var links = getNodeLinks(decl);
- if (!links.resolvedSymbol) {
- // In the event we attempt to resolve the late-bound name of this member recursively,
- // fall back to the early-bound name of this member.
- links.resolvedSymbol = decl.symbol;
- var declName = ts.isBinaryExpression(decl) ? decl.left : decl.name;
- var type = ts.isElementAccessExpression(declName) ? checkExpressionCached(declName.argumentExpression) : checkComputedPropertyName(declName);
- if (isTypeUsableAsPropertyName(type)) {
- var memberName = getPropertyNameFromType(type);
- var symbolFlags = decl.symbol.flags;
- // Get or add a late-bound symbol for the member. This allows us to merge late-bound accessor declarations.
- var lateSymbol = lateSymbols.get(memberName);
- if (!lateSymbol)
- lateSymbols.set(memberName, lateSymbol = createSymbol(0 /* None */, memberName, 4096 /* Late */));
- // Report an error if a late-bound member has the same name as an early-bound member,
- // or if we have another early-bound symbol declaration with the same name and
- // conflicting flags.
- var earlySymbol = earlySymbols && earlySymbols.get(memberName);
- if (lateSymbol.flags & getExcludedSymbolFlags(symbolFlags) || earlySymbol) {
- // If we have an existing early-bound member, combine its declarations so that we can
- // report an error at each declaration.
- var declarations = earlySymbol ? ts.concatenate(earlySymbol.declarations, lateSymbol.declarations) : lateSymbol.declarations;
- var name_3 = !(type.flags & 8192 /* UniqueESSymbol */) && ts.unescapeLeadingUnderscores(memberName) || ts.declarationNameToString(declName);
- ts.forEach(declarations, function (declaration) { return error(ts.getNameOfDeclaration(declaration) || declaration, ts.Diagnostics.Property_0_was_also_declared_here, name_3); });
- error(declName || decl, ts.Diagnostics.Duplicate_property_0, name_3);
- lateSymbol = createSymbol(0 /* None */, memberName, 4096 /* Late */);
- }
- lateSymbol.nameType = type;
- addDeclarationToLateBoundSymbol(lateSymbol, decl, symbolFlags);
- if (lateSymbol.parent) {
- ts.Debug.assert(lateSymbol.parent === parent, "Existing symbol parent should match new one");
- }
- else {
- lateSymbol.parent = parent;
- }
- return links.resolvedSymbol = lateSymbol;
- }
- }
- return links.resolvedSymbol;
- }
- function getResolvedMembersOrExportsOfSymbol(symbol, resolutionKind) {
- var links = getSymbolLinks(symbol);
- if (!links[resolutionKind]) {
- var isStatic = resolutionKind === "resolvedExports" /* resolvedExports */;
- var earlySymbols = !isStatic ? symbol.members :
- symbol.flags & 1536 /* Module */ ? getExportsOfModuleWorker(symbol) :
- symbol.exports;
- // In the event we recursively resolve the members/exports of the symbol, we
- // set the initial value of resolvedMembers/resolvedExports to the early-bound
- // members/exports of the symbol.
- links[resolutionKind] = earlySymbols || emptySymbols;
- // fill in any as-yet-unresolved late-bound members.
- var lateSymbols = ts.createSymbolTable();
- for (var _i = 0, _a = symbol.declarations; _i < _a.length; _i++) {
- var decl = _a[_i];
- var members = ts.getMembersOfDeclaration(decl);
- if (members) {
- for (var _b = 0, members_5 = members; _b < members_5.length; _b++) {
- var member = members_5[_b];
- if (isStatic === ts.hasStaticModifier(member) && hasLateBindableName(member)) {
- lateBindMember(symbol, earlySymbols, lateSymbols, member);
- }
- }
- }
- }
- var assignments = symbol.assignmentDeclarationMembers;
- if (assignments) {
- var decls = ts.arrayFrom(assignments.values());
- for (var _c = 0, decls_1 = decls; _c < decls_1.length; _c++) {
- var member = decls_1[_c];
- var assignmentKind = ts.getAssignmentDeclarationKind(member);
- var isInstanceMember = assignmentKind === 3 /* PrototypeProperty */
- || assignmentKind === 4 /* ThisProperty */
- || assignmentKind === 9 /* ObjectDefinePrototypeProperty */
- || assignmentKind === 6 /* Prototype */; // A straight `Prototype` assignment probably can never have a computed name
- if (isStatic === !isInstanceMember && hasLateBindableName(member)) {
- lateBindMember(symbol, earlySymbols, lateSymbols, member);
- }
- }
- }
- links[resolutionKind] = combineSymbolTables(earlySymbols, lateSymbols) || emptySymbols;
- }
- return links[resolutionKind];
- }
- /**
- * Gets a SymbolTable containing both the early- and late-bound members of a symbol.
- *
- * For a description of late-binding, see `lateBindMember`.
- */
- function getMembersOfSymbol(symbol) {
- return symbol.flags & 6256 /* LateBindingContainer */
- ? getResolvedMembersOrExportsOfSymbol(symbol, "resolvedMembers" /* resolvedMembers */)
- : symbol.members || emptySymbols;
- }
- /**
- * If a symbol is the dynamic name of the member of an object type, get the late-bound
- * symbol of the member.
- *
- * For a description of late-binding, see `lateBindMember`.
- */
- function getLateBoundSymbol(symbol) {
- if (symbol.flags & 106500 /* ClassMember */ && symbol.escapedName === "__computed" /* Computed */) {
- var links = getSymbolLinks(symbol);
- if (!links.lateSymbol && ts.some(symbol.declarations, hasLateBindableName)) {
- // force late binding of members/exports. This will set the late-bound symbol
- var parent = getMergedSymbol(symbol.parent);
- if (ts.some(symbol.declarations, ts.hasStaticModifier)) {
- getExportsOfSymbol(parent);
- }
- else {
- getMembersOfSymbol(parent);
- }
- }
- return links.lateSymbol || (links.lateSymbol = symbol);
- }
- return symbol;
- }
- function getTypeWithThisArgument(type, thisArgument, needApparentType) {
- if (ts.getObjectFlags(type) & 4 /* Reference */) {
- var target = type.target;
- var typeArguments = getTypeArguments(type);
- if (ts.length(target.typeParameters) === ts.length(typeArguments)) {
- var ref = createTypeReference(target, ts.concatenate(typeArguments, [thisArgument || target.thisType]));
- return needApparentType ? getApparentType(ref) : ref;
- }
- }
- else if (type.flags & 2097152 /* Intersection */) {
- return getIntersectionType(ts.map(type.types, function (t) { return getTypeWithThisArgument(t, thisArgument, needApparentType); }));
- }
- return needApparentType ? getApparentType(type) : type;
- }
- function resolveObjectTypeMembers(type, source, typeParameters, typeArguments) {
- var mapper;
- var members;
- var callSignatures;
- var constructSignatures;
- var stringIndexInfo;
- var numberIndexInfo;
- if (ts.rangeEquals(typeParameters, typeArguments, 0, typeParameters.length)) {
- members = source.symbol ? getMembersOfSymbol(source.symbol) : ts.createSymbolTable(source.declaredProperties);
- callSignatures = source.declaredCallSignatures;
- constructSignatures = source.declaredConstructSignatures;
- stringIndexInfo = source.declaredStringIndexInfo;
- numberIndexInfo = source.declaredNumberIndexInfo;
- }
- else {
- mapper = createTypeMapper(typeParameters, typeArguments);
- members = createInstantiatedSymbolTable(source.declaredProperties, mapper, /*mappingThisOnly*/ typeParameters.length === 1);
- callSignatures = instantiateSignatures(source.declaredCallSignatures, mapper);
- constructSignatures = instantiateSignatures(source.declaredConstructSignatures, mapper);
- stringIndexInfo = instantiateIndexInfo(source.declaredStringIndexInfo, mapper);
- numberIndexInfo = instantiateIndexInfo(source.declaredNumberIndexInfo, mapper);
- }
- var baseTypes = getBaseTypes(source);
- if (baseTypes.length) {
- if (source.symbol && members === getMembersOfSymbol(source.symbol)) {
- members = ts.createSymbolTable(source.declaredProperties);
- }
- setStructuredTypeMembers(type, members, callSignatures, constructSignatures, stringIndexInfo, numberIndexInfo);
- var thisArgument = ts.lastOrUndefined(typeArguments);
- for (var _i = 0, baseTypes_1 = baseTypes; _i < baseTypes_1.length; _i++) {
- var baseType = baseTypes_1[_i];
- var instantiatedBaseType = thisArgument ? getTypeWithThisArgument(instantiateType(baseType, mapper), thisArgument) : baseType;
- addInheritedMembers(members, getPropertiesOfType(instantiatedBaseType));
- callSignatures = ts.concatenate(callSignatures, getSignaturesOfType(instantiatedBaseType, 0 /* Call */));
- constructSignatures = ts.concatenate(constructSignatures, getSignaturesOfType(instantiatedBaseType, 1 /* Construct */));
- if (!stringIndexInfo) {
- stringIndexInfo = instantiatedBaseType === anyType ?
- createIndexInfo(anyType, /*isReadonly*/ false) :
- getIndexInfoOfType(instantiatedBaseType, 0 /* String */);
- }
- numberIndexInfo = numberIndexInfo || getIndexInfoOfType(instantiatedBaseType, 1 /* Number */);
- }
- }
- setStructuredTypeMembers(type, members, callSignatures, constructSignatures, stringIndexInfo, numberIndexInfo);
- }
- function resolveClassOrInterfaceMembers(type) {
- resolveObjectTypeMembers(type, resolveDeclaredMembers(type), ts.emptyArray, ts.emptyArray);
- }
- function resolveTypeReferenceMembers(type) {
- var source = resolveDeclaredMembers(type.target);
- var typeParameters = ts.concatenate(source.typeParameters, [source.thisType]);
- var typeArguments = getTypeArguments(type);
- var paddedTypeArguments = typeArguments.length === typeParameters.length ? typeArguments : ts.concatenate(typeArguments, [type]);
- resolveObjectTypeMembers(type, source, typeParameters, paddedTypeArguments);
- }
- function createSignature(declaration, typeParameters, thisParameter, parameters, resolvedReturnType, resolvedTypePredicate, minArgumentCount, flags) {
- var sig = new Signature(checker, flags);
- sig.declaration = declaration;
- sig.typeParameters = typeParameters;
- sig.parameters = parameters;
- sig.thisParameter = thisParameter;
- sig.resolvedReturnType = resolvedReturnType;
- sig.resolvedTypePredicate = resolvedTypePredicate;
- sig.minArgumentCount = minArgumentCount;
- sig.target = undefined;
- sig.mapper = undefined;
- sig.unionSignatures = undefined;
- return sig;
- }
- function cloneSignature(sig) {
- var result = createSignature(sig.declaration, sig.typeParameters, sig.thisParameter, sig.parameters, /*resolvedReturnType*/ undefined,
- /*resolvedTypePredicate*/ undefined, sig.minArgumentCount, sig.flags & 3 /* PropagatingFlags */);
- result.target = sig.target;
- result.mapper = sig.mapper;
- result.unionSignatures = sig.unionSignatures;
- return result;
- }
- function createUnionSignature(signature, unionSignatures) {
- var result = cloneSignature(signature);
- result.unionSignatures = unionSignatures;
- result.target = undefined;
- result.mapper = undefined;
- return result;
- }
- function getOptionalCallSignature(signature, callChainFlags) {
- if ((signature.flags & 12 /* CallChainFlags */) === callChainFlags) {
- return signature;
- }
- if (!signature.optionalCallSignatureCache) {
- signature.optionalCallSignatureCache = {};
- }
- var key = callChainFlags === 4 /* IsInnerCallChain */ ? "inner" : "outer";
- return signature.optionalCallSignatureCache[key]
- || (signature.optionalCallSignatureCache[key] = createOptionalCallSignature(signature, callChainFlags));
- }
- function createOptionalCallSignature(signature, callChainFlags) {
- ts.Debug.assert(callChainFlags === 4 /* IsInnerCallChain */ || callChainFlags === 8 /* IsOuterCallChain */, "An optional call signature can either be for an inner call chain or an outer call chain, but not both.");
- var result = cloneSignature(signature);
- result.flags |= callChainFlags;
- return result;
- }
- function getExpandedParameters(sig) {
- if (signatureHasRestParameter(sig)) {
- var restIndex_1 = sig.parameters.length - 1;
- var restParameter = sig.parameters[restIndex_1];
- var restType = getTypeOfSymbol(restParameter);
- if (isTupleType(restType)) {
- var elementTypes = getTypeArguments(restType);
- var minLength_1 = restType.target.minLength;
- var tupleRestIndex_1 = restType.target.hasRestElement ? elementTypes.length - 1 : -1;
- var restParams = ts.map(elementTypes, function (t, i) {
- var name = getParameterNameAtPosition(sig, restIndex_1 + i);
- var checkFlags = i === tupleRestIndex_1 ? 32768 /* RestParameter */ :
- i >= minLength_1 ? 16384 /* OptionalParameter */ : 0;
- var symbol = createSymbol(1 /* FunctionScopedVariable */, name, checkFlags);
- symbol.type = i === tupleRestIndex_1 ? createArrayType(t) : t;
- return symbol;
- });
- return ts.concatenate(sig.parameters.slice(0, restIndex_1), restParams);
- }
- }
- return sig.parameters;
- }
- function getDefaultConstructSignatures(classType) {
- var baseConstructorType = getBaseConstructorTypeOfClass(classType);
- var baseSignatures = getSignaturesOfType(baseConstructorType, 1 /* Construct */);
- if (baseSignatures.length === 0) {
- return [createSignature(undefined, classType.localTypeParameters, undefined, ts.emptyArray, classType, /*resolvedTypePredicate*/ undefined, 0, 0 /* None */)];
- }
- var baseTypeNode = getBaseTypeNodeOfClass(classType);
- var isJavaScript = ts.isInJSFile(baseTypeNode);
- var typeArguments = typeArgumentsFromTypeReferenceNode(baseTypeNode);
- var typeArgCount = ts.length(typeArguments);
- var result = [];
- for (var _i = 0, baseSignatures_1 = baseSignatures; _i < baseSignatures_1.length; _i++) {
- var baseSig = baseSignatures_1[_i];
- var minTypeArgumentCount = getMinTypeArgumentCount(baseSig.typeParameters);
- var typeParamCount = ts.length(baseSig.typeParameters);
- if (isJavaScript || typeArgCount >= minTypeArgumentCount && typeArgCount <= typeParamCount) {
- var sig = typeParamCount ? createSignatureInstantiation(baseSig, fillMissingTypeArguments(typeArguments, baseSig.typeParameters, minTypeArgumentCount, isJavaScript)) : cloneSignature(baseSig);
- sig.typeParameters = classType.localTypeParameters;
- sig.resolvedReturnType = classType;
- result.push(sig);
- }
- }
- return result;
- }
- function findMatchingSignature(signatureList, signature, partialMatch, ignoreThisTypes, ignoreReturnTypes) {
- for (var _i = 0, signatureList_1 = signatureList; _i < signatureList_1.length; _i++) {
- var s = signatureList_1[_i];
- if (compareSignaturesIdentical(s, signature, partialMatch, ignoreThisTypes, ignoreReturnTypes, partialMatch ? compareTypesSubtypeOf : compareTypesIdentical)) {
- return s;
- }
- }
- }
- function findMatchingSignatures(signatureLists, signature, listIndex) {
- if (signature.typeParameters) {
- // We require an exact match for generic signatures, so we only return signatures from the first
- // signature list and only if they have exact matches in the other signature lists.
- if (listIndex > 0) {
- return undefined;
- }
- for (var i = 1; i < signatureLists.length; i++) {
- if (!findMatchingSignature(signatureLists[i], signature, /*partialMatch*/ false, /*ignoreThisTypes*/ false, /*ignoreReturnTypes*/ false)) {
- return undefined;
- }
- }
- return [signature];
- }
- var result;
- for (var i = 0; i < signatureLists.length; i++) {
- // Allow matching non-generic signatures to have excess parameters and different return types.
- // Prefer matching this types if possible.
- var match = i === listIndex ? signature : findMatchingSignature(signatureLists[i], signature, /*partialMatch*/ true, /*ignoreThisTypes*/ false, /*ignoreReturnTypes*/ true);
- if (!match) {
- return undefined;
- }
- result = ts.appendIfUnique(result, match);
- }
- return result;
- }
- // The signatures of a union type are those signatures that are present in each of the constituent types.
- // Generic signatures must match exactly, but non-generic signatures are allowed to have extra optional
- // parameters and may differ in return types. When signatures differ in return types, the resulting return
- // type is the union of the constituent return types.
- function getUnionSignatures(signatureLists) {
- var result;
- var indexWithLengthOverOne;
- for (var i = 0; i < signatureLists.length; i++) {
- if (signatureLists[i].length === 0)
- return ts.emptyArray;
- if (signatureLists[i].length > 1) {
- indexWithLengthOverOne = indexWithLengthOverOne === undefined ? i : -1; // -1 is a signal there are multiple overload sets
- }
- for (var _i = 0, _a = signatureLists[i]; _i < _a.length; _i++) {
- var signature = _a[_i];
- // Only process signatures with parameter lists that aren't already in the result list
- if (!result || !findMatchingSignature(result, signature, /*partialMatch*/ false, /*ignoreThisTypes*/ false, /*ignoreReturnTypes*/ true)) {
- var unionSignatures = findMatchingSignatures(signatureLists, signature, i);
- if (unionSignatures) {
- var s = signature;
- // Union the result types when more than one signature matches
- if (unionSignatures.length > 1) {
- var thisParameter = signature.thisParameter;
- var firstThisParameterOfUnionSignatures = ts.forEach(unionSignatures, function (sig) { return sig.thisParameter; });
- if (firstThisParameterOfUnionSignatures) {
- var thisType = getIntersectionType(ts.mapDefined(unionSignatures, function (sig) { return sig.thisParameter && getTypeOfSymbol(sig.thisParameter); }));
- thisParameter = createSymbolWithType(firstThisParameterOfUnionSignatures, thisType);
- }
- s = createUnionSignature(signature, unionSignatures);
- s.thisParameter = thisParameter;
- }
- (result || (result = [])).push(s);
- }
- }
- }
- }
- if (!ts.length(result) && indexWithLengthOverOne !== -1) {
- // No sufficiently similar signature existed to subsume all the other signatures in the union - time to see if we can make a single
- // signature that handles all over them. We only do this when there are overloads in only one constituent.
- // (Overloads are conditional in nature and having overloads in multiple constituents would necessitate making a power set of
- // signatures from the type, whose ordering would be non-obvious)
- var masterList = signatureLists[indexWithLengthOverOne !== undefined ? indexWithLengthOverOne : 0];
- var results = masterList.slice();
- var _loop_9 = function (signatures) {
- if (signatures !== masterList) {
- var signature_1 = signatures[0];
- ts.Debug.assert(!!signature_1, "getUnionSignatures bails early on empty signature lists and should not have empty lists on second pass");
- results = signature_1.typeParameters && ts.some(results, function (s) { return !!s.typeParameters; }) ? undefined : ts.map(results, function (sig) { return combineSignaturesOfUnionMembers(sig, signature_1); });
- if (!results) {
- return "break";
- }
- }
- };
- for (var _b = 0, signatureLists_1 = signatureLists; _b < signatureLists_1.length; _b++) {
- var signatures = signatureLists_1[_b];
- var state_3 = _loop_9(signatures);
- if (state_3 === "break")
- break;
- }
- result = results;
- }
- return result || ts.emptyArray;
- }
- function combineUnionThisParam(left, right) {
- if (!left || !right) {
- return left || right;
- }
- // A signature `this` type might be a read or a write position... It's very possible that it should be invariant
- // and we should refuse to merge signatures if there are `this` types and they do not match. However, so as to be
- // permissive when calling, for now, we'll intersect the `this` types just like we do for param types in union signatures.
- var thisType = getIntersectionType([getTypeOfSymbol(left), getTypeOfSymbol(right)]);
- return createSymbolWithType(left, thisType);
- }
- function combineUnionParameters(left, right) {
- var leftCount = getParameterCount(left);
- var rightCount = getParameterCount(right);
- var longest = leftCount >= rightCount ? left : right;
- var shorter = longest === left ? right : left;
- var longestCount = longest === left ? leftCount : rightCount;
- var eitherHasEffectiveRest = (hasEffectiveRestParameter(left) || hasEffectiveRestParameter(right));
- var needsExtraRestElement = eitherHasEffectiveRest && !hasEffectiveRestParameter(longest);
- var params = new Array(longestCount + (needsExtraRestElement ? 1 : 0));
- for (var i = 0; i < longestCount; i++) {
- var longestParamType = tryGetTypeAtPosition(longest, i);
- var shorterParamType = tryGetTypeAtPosition(shorter, i) || unknownType;
- var unionParamType = getIntersectionType([longestParamType, shorterParamType]);
- var isRestParam = eitherHasEffectiveRest && !needsExtraRestElement && i === (longestCount - 1);
- var isOptional = i >= getMinArgumentCount(longest) && i >= getMinArgumentCount(shorter);
- var leftName = i >= leftCount ? undefined : getParameterNameAtPosition(left, i);
- var rightName = i >= rightCount ? undefined : getParameterNameAtPosition(right, i);
- var paramName = leftName === rightName ? leftName :
- !leftName ? rightName :
- !rightName ? leftName :
- undefined;
- var paramSymbol = createSymbol(1 /* FunctionScopedVariable */ | (isOptional && !isRestParam ? 16777216 /* Optional */ : 0), paramName || "arg" + i);
- paramSymbol.type = isRestParam ? createArrayType(unionParamType) : unionParamType;
- params[i] = paramSymbol;
- }
- if (needsExtraRestElement) {
- var restParamSymbol = createSymbol(1 /* FunctionScopedVariable */, "args");
- restParamSymbol.type = createArrayType(getTypeAtPosition(shorter, longestCount));
- params[longestCount] = restParamSymbol;
- }
- return params;
- }
- function combineSignaturesOfUnionMembers(left, right) {
- var declaration = left.declaration;
- var params = combineUnionParameters(left, right);
- var thisParam = combineUnionThisParam(left.thisParameter, right.thisParameter);
- var minArgCount = Math.max(left.minArgumentCount, right.minArgumentCount);
- var result = createSignature(declaration, left.typeParameters || right.typeParameters, thisParam, params,
- /*resolvedReturnType*/ undefined,
- /*resolvedTypePredicate*/ undefined, minArgCount, (left.flags | right.flags) & 3 /* PropagatingFlags */);
- result.unionSignatures = ts.concatenate(left.unionSignatures || [left], [right]);
- return result;
- }
- function getUnionIndexInfo(types, kind) {
- var indexTypes = [];
- var isAnyReadonly = false;
- for (var _i = 0, types_3 = types; _i < types_3.length; _i++) {
- var type = types_3[_i];
- var indexInfo = getIndexInfoOfType(getApparentType(type), kind);
- if (!indexInfo) {
- return undefined;
- }
- indexTypes.push(indexInfo.type);
- isAnyReadonly = isAnyReadonly || indexInfo.isReadonly;
- }
- return createIndexInfo(getUnionType(indexTypes, 2 /* Subtype */), isAnyReadonly);
- }
- function resolveUnionTypeMembers(type) {
- // The members and properties collections are empty for union types. To get all properties of a union
- // type use getPropertiesOfType (only the language service uses this).
- var callSignatures = getUnionSignatures(ts.map(type.types, function (t) { return t === globalFunctionType ? [unknownSignature] : getSignaturesOfType(t, 0 /* Call */); }));
- var constructSignatures = getUnionSignatures(ts.map(type.types, function (t) { return getSignaturesOfType(t, 1 /* Construct */); }));
- var stringIndexInfo = getUnionIndexInfo(type.types, 0 /* String */);
- var numberIndexInfo = getUnionIndexInfo(type.types, 1 /* Number */);
- setStructuredTypeMembers(type, emptySymbols, callSignatures, constructSignatures, stringIndexInfo, numberIndexInfo);
- }
- function intersectTypes(type1, type2) {
- return !type1 ? type2 : !type2 ? type1 : getIntersectionType([type1, type2]);
- }
- function intersectIndexInfos(info1, info2) {
- return !info1 ? info2 : !info2 ? info1 : createIndexInfo(getIntersectionType([info1.type, info2.type]), info1.isReadonly && info2.isReadonly);
- }
- function unionSpreadIndexInfos(info1, info2) {
- return info1 && info2 && createIndexInfo(getUnionType([info1.type, info2.type]), info1.isReadonly || info2.isReadonly);
- }
- function findMixins(types) {
- var constructorTypeCount = ts.countWhere(types, function (t) { return getSignaturesOfType(t, 1 /* Construct */).length > 0; });
- var mixinFlags = ts.map(types, isMixinConstructorType);
- if (constructorTypeCount > 0 && constructorTypeCount === ts.countWhere(mixinFlags, function (b) { return b; })) {
- var firstMixinIndex = mixinFlags.indexOf(/*searchElement*/ true);
- mixinFlags[firstMixinIndex] = false;
- }
- return mixinFlags;
- }
- function includeMixinType(type, types, mixinFlags, index) {
- var mixedTypes = [];
- for (var i = 0; i < types.length; i++) {
- if (i === index) {
- mixedTypes.push(type);
- }
- else if (mixinFlags[i]) {
- mixedTypes.push(getReturnTypeOfSignature(getSignaturesOfType(types[i], 1 /* Construct */)[0]));
- }
- }
- return getIntersectionType(mixedTypes);
- }
- function resolveIntersectionTypeMembers(type) {
- // The members and properties collections are empty for intersection types. To get all properties of an
- // intersection type use getPropertiesOfType (only the language service uses this).
- var callSignatures;
- var constructSignatures;
- var stringIndexInfo;
- var numberIndexInfo;
- var types = type.types;
- var mixinFlags = findMixins(types);
- var mixinCount = ts.countWhere(mixinFlags, function (b) { return b; });
- var _loop_10 = function (i) {
- var t = type.types[i];
- // When an intersection type contains mixin constructor types, the construct signatures from
- // those types are discarded and their return types are mixed into the return types of all
- // other construct signatures in the intersection type. For example, the intersection type
- // '{ new(...args: any[]) => A } & { new(s: string) => B }' has a single construct signature
- // 'new(s: string) => A & B'.
- if (!mixinFlags[i]) {
- var signatures = getSignaturesOfType(t, 1 /* Construct */);
- if (signatures.length && mixinCount > 0) {
- signatures = ts.map(signatures, function (s) {
- var clone = cloneSignature(s);
- clone.resolvedReturnType = includeMixinType(getReturnTypeOfSignature(s), types, mixinFlags, i);
- return clone;
- });
- }
- constructSignatures = appendSignatures(constructSignatures, signatures);
- }
- callSignatures = appendSignatures(callSignatures, getSignaturesOfType(t, 0 /* Call */));
- stringIndexInfo = intersectIndexInfos(stringIndexInfo, getIndexInfoOfType(t, 0 /* String */));
- numberIndexInfo = intersectIndexInfos(numberIndexInfo, getIndexInfoOfType(t, 1 /* Number */));
- };
- for (var i = 0; i < types.length; i++) {
- _loop_10(i);
- }
- setStructuredTypeMembers(type, emptySymbols, callSignatures || ts.emptyArray, constructSignatures || ts.emptyArray, stringIndexInfo, numberIndexInfo);
- }
- function appendSignatures(signatures, newSignatures) {
- var _loop_11 = function (sig) {
- if (!signatures || ts.every(signatures, function (s) { return !compareSignaturesIdentical(s, sig, /*partialMatch*/ false, /*ignoreThisTypes*/ false, /*ignoreReturnTypes*/ false, compareTypesIdentical); })) {
- signatures = ts.append(signatures, sig);
- }
- };
- for (var _i = 0, newSignatures_1 = newSignatures; _i < newSignatures_1.length; _i++) {
- var sig = newSignatures_1[_i];
- _loop_11(sig);
- }
- return signatures;
- }
- /**
- * Converts an AnonymousType to a ResolvedType.
- */
- function resolveAnonymousTypeMembers(type) {
- var symbol = getMergedSymbol(type.symbol);
- if (type.target) {
- setStructuredTypeMembers(type, emptySymbols, ts.emptyArray, ts.emptyArray, undefined, undefined);
- var members = createInstantiatedSymbolTable(getPropertiesOfObjectType(type.target), type.mapper, /*mappingThisOnly*/ false);
- var callSignatures = instantiateSignatures(getSignaturesOfType(type.target, 0 /* Call */), type.mapper);
- var constructSignatures = instantiateSignatures(getSignaturesOfType(type.target, 1 /* Construct */), type.mapper);
- var stringIndexInfo = instantiateIndexInfo(getIndexInfoOfType(type.target, 0 /* String */), type.mapper);
- var numberIndexInfo = instantiateIndexInfo(getIndexInfoOfType(type.target, 1 /* Number */), type.mapper);
- setStructuredTypeMembers(type, members, callSignatures, constructSignatures, stringIndexInfo, numberIndexInfo);
- }
- else if (symbol.flags & 2048 /* TypeLiteral */) {
- setStructuredTypeMembers(type, emptySymbols, ts.emptyArray, ts.emptyArray, undefined, undefined);
- var members = getMembersOfSymbol(symbol);
- var callSignatures = getSignaturesOfSymbol(members.get("__call" /* Call */));
- var constructSignatures = getSignaturesOfSymbol(members.get("__new" /* New */));
- var stringIndexInfo = getIndexInfoOfSymbol(symbol, 0 /* String */);
- var numberIndexInfo = getIndexInfoOfSymbol(symbol, 1 /* Number */);
- setStructuredTypeMembers(type, members, callSignatures, constructSignatures, stringIndexInfo, numberIndexInfo);
- }
- else {
- // Combinations of function, class, enum and module
- var members = emptySymbols;
- var stringIndexInfo = void 0;
- if (symbol.exports) {
- members = getExportsOfSymbol(symbol);
- if (symbol === globalThisSymbol) {
- var varsOnly_1 = ts.createMap();
- members.forEach(function (p) {
- if (!(p.flags & 418 /* BlockScoped */)) {
- varsOnly_1.set(p.escapedName, p);
- }
- });
- members = varsOnly_1;
- }
- }
- setStructuredTypeMembers(type, members, ts.emptyArray, ts.emptyArray, undefined, undefined);
- if (symbol.flags & 32 /* Class */) {
- var classType = getDeclaredTypeOfClassOrInterface(symbol);
- var baseConstructorType = getBaseConstructorTypeOfClass(classType);
- if (baseConstructorType.flags & (524288 /* Object */ | 2097152 /* Intersection */ | 8650752 /* TypeVariable */)) {
- members = ts.createSymbolTable(getNamedMembers(members));
- addInheritedMembers(members, getPropertiesOfType(baseConstructorType));
- }
- else if (baseConstructorType === anyType) {
- stringIndexInfo = createIndexInfo(anyType, /*isReadonly*/ false);
- }
- }
- var numberIndexInfo = symbol.flags & 384 /* Enum */ && (getDeclaredTypeOfSymbol(symbol).flags & 32 /* Enum */ ||
- ts.some(type.properties, function (prop) { return !!(getTypeOfSymbol(prop).flags & 296 /* NumberLike */); })) ? enumNumberIndexInfo : undefined;
- setStructuredTypeMembers(type, members, ts.emptyArray, ts.emptyArray, stringIndexInfo, numberIndexInfo);
- // We resolve the members before computing the signatures because a signature may use
- // typeof with a qualified name expression that circularly references the type we are
- // in the process of resolving (see issue #6072). The temporarily empty signature list
- // will never be observed because a qualified name can't reference signatures.
- if (symbol.flags & (16 /* Function */ | 8192 /* Method */)) {
- type.callSignatures = getSignaturesOfSymbol(symbol);
- }
- // And likewise for construct signatures for classes
- if (symbol.flags & 32 /* Class */) {
- var classType_1 = getDeclaredTypeOfClassOrInterface(symbol);
- var constructSignatures = symbol.members ? getSignaturesOfSymbol(symbol.members.get("__constructor" /* Constructor */)) : ts.emptyArray;
- if (symbol.flags & 16 /* Function */) {
- constructSignatures = ts.addRange(constructSignatures.slice(), ts.mapDefined(type.callSignatures, function (sig) { return isJSConstructor(sig.declaration) ?
- createSignature(sig.declaration, sig.typeParameters, sig.thisParameter, sig.parameters, classType_1, /*resolvedTypePredicate*/ undefined, sig.minArgumentCount, sig.flags & 3 /* PropagatingFlags */) :
- undefined; }));
- }
- if (!constructSignatures.length) {
- constructSignatures = getDefaultConstructSignatures(classType_1);
- }
- type.constructSignatures = constructSignatures;
- }
- }
- }
- function resolveReverseMappedTypeMembers(type) {
- var indexInfo = getIndexInfoOfType(type.source, 0 /* String */);
- var modifiers = getMappedTypeModifiers(type.mappedType);
- var readonlyMask = modifiers & 1 /* IncludeReadonly */ ? false : true;
- var optionalMask = modifiers & 4 /* IncludeOptional */ ? 0 : 16777216 /* Optional */;
- var stringIndexInfo = indexInfo && createIndexInfo(inferReverseMappedType(indexInfo.type, type.mappedType, type.constraintType), readonlyMask && indexInfo.isReadonly);
- var members = ts.createSymbolTable();
- for (var _i = 0, _a = getPropertiesOfType(type.source); _i < _a.length; _i++) {
- var prop = _a[_i];
- var checkFlags = 8192 /* ReverseMapped */ | (readonlyMask && isReadonlySymbol(prop) ? 8 /* Readonly */ : 0);
- var inferredProp = createSymbol(4 /* Property */ | prop.flags & optionalMask, prop.escapedName, checkFlags);
- inferredProp.declarations = prop.declarations;
- inferredProp.nameType = getSymbolLinks(prop).nameType;
- inferredProp.propertyType = getTypeOfSymbol(prop);
- inferredProp.mappedType = type.mappedType;
- inferredProp.constraintType = type.constraintType;
- members.set(prop.escapedName, inferredProp);
- }
- setStructuredTypeMembers(type, members, ts.emptyArray, ts.emptyArray, stringIndexInfo, undefined);
- }
- // Return the lower bound of the key type in a mapped type. Intuitively, the lower
- // bound includes those keys that are known to always be present, for example because
- // because of constraints on type parameters (e.g. 'keyof T' for a constrained T).
- function getLowerBoundOfKeyType(type) {
- if (type.flags & (1 /* Any */ | 131068 /* Primitive */)) {
- return type;
- }
- if (type.flags & 4194304 /* Index */) {
- return getIndexType(getApparentType(type.type));
- }
- if (type.flags & 16777216 /* Conditional */) {
- if (type.root.isDistributive) {
- var checkType = type.checkType;
- var constraint = getLowerBoundOfKeyType(checkType);
- if (constraint !== checkType) {
- return getConditionalTypeInstantiation(type, prependTypeMapping(type.root.checkType, constraint, type.mapper));
- }
- }
- return type;
- }
- if (type.flags & 1048576 /* Union */) {
- return getUnionType(ts.sameMap(type.types, getLowerBoundOfKeyType));
- }
- if (type.flags & 2097152 /* Intersection */) {
- return getIntersectionType(ts.sameMap(type.types, getLowerBoundOfKeyType));
- }
- return neverType;
- }
- /** Resolve the members of a mapped type { [P in K]: T } */
- function resolveMappedTypeMembers(type) {
- var members = ts.createSymbolTable();
- var stringIndexInfo;
- var numberIndexInfo;
- // Resolve upfront such that recursive references see an empty object type.
- setStructuredTypeMembers(type, emptySymbols, ts.emptyArray, ts.emptyArray, undefined, undefined);
- // In { [P in K]: T }, we refer to P as the type parameter type, K as the constraint type,
- // and T as the template type.
- var typeParameter = getTypeParameterFromMappedType(type);
- var constraintType = getConstraintTypeFromMappedType(type);
- var templateType = getTemplateTypeFromMappedType(type.target || type);
- var modifiersType = getApparentType(getModifiersTypeFromMappedType(type)); // The 'T' in 'keyof T'
- var templateModifiers = getMappedTypeModifiers(type);
- var include = keyofStringsOnly ? 128 /* StringLiteral */ : 8576 /* StringOrNumberLiteralOrUnique */;
- if (isMappedTypeWithKeyofConstraintDeclaration(type)) {
- // We have a { [P in keyof T]: X }
- for (var _i = 0, _a = getPropertiesOfType(modifiersType); _i < _a.length; _i++) {
- var prop = _a[_i];
- addMemberForKeyType(getLiteralTypeFromProperty(prop, include));
- }
- if (modifiersType.flags & 1 /* Any */ || getIndexInfoOfType(modifiersType, 0 /* String */)) {
- addMemberForKeyType(stringType);
- }
- if (!keyofStringsOnly && getIndexInfoOfType(modifiersType, 1 /* Number */)) {
- addMemberForKeyType(numberType);
- }
- }
- else {
- forEachType(getLowerBoundOfKeyType(constraintType), addMemberForKeyType);
- }
- setStructuredTypeMembers(type, members, ts.emptyArray, ts.emptyArray, stringIndexInfo, numberIndexInfo);
- function addMemberForKeyType(t) {
- // Create a mapper from T to the current iteration type constituent. Then, if the
- // mapped type is itself an instantiated type, combine the iteration mapper with the
- // instantiation mapper.
- var templateMapper = appendTypeMapping(type.mapper, typeParameter, t);
- // If the current iteration type constituent is a string literal type, create a property.
- // Otherwise, for type string create a string index signature.
- if (isTypeUsableAsPropertyName(t)) {
- var propName = getPropertyNameFromType(t);
- var modifiersProp = getPropertyOfType(modifiersType, propName);
- var isOptional = !!(templateModifiers & 4 /* IncludeOptional */ ||
- !(templateModifiers & 8 /* ExcludeOptional */) && modifiersProp && modifiersProp.flags & 16777216 /* Optional */);
- var isReadonly = !!(templateModifiers & 1 /* IncludeReadonly */ ||
- !(templateModifiers & 2 /* ExcludeReadonly */) && modifiersProp && isReadonlySymbol(modifiersProp));
- var stripOptional = strictNullChecks && !isOptional && modifiersProp && modifiersProp.flags & 16777216 /* Optional */;
- var prop = createSymbol(4 /* Property */ | (isOptional ? 16777216 /* Optional */ : 0), propName, 262144 /* Mapped */ | (isReadonly ? 8 /* Readonly */ : 0) | (stripOptional ? 524288 /* StripOptional */ : 0));
- prop.mappedType = type;
- prop.mapper = templateMapper;
- if (modifiersProp) {
- prop.syntheticOrigin = modifiersProp;
- prop.declarations = modifiersProp.declarations;
- }
- prop.nameType = t;
- members.set(propName, prop);
- }
- else if (t.flags & (1 /* Any */ | 4 /* String */ | 8 /* Number */ | 32 /* Enum */)) {
- var propType = instantiateType(templateType, templateMapper);
- if (t.flags & (1 /* Any */ | 4 /* String */)) {
- stringIndexInfo = createIndexInfo(propType, !!(templateModifiers & 1 /* IncludeReadonly */));
- }
- else {
- numberIndexInfo = createIndexInfo(numberIndexInfo ? getUnionType([numberIndexInfo.type, propType]) : propType, !!(templateModifiers & 1 /* IncludeReadonly */));
- }
- }
- }
- }
- function getTypeOfMappedSymbol(symbol) {
- if (!symbol.type) {
- if (!pushTypeResolution(symbol, 0 /* Type */)) {
- return errorType;
- }
- var templateType = getTemplateTypeFromMappedType(symbol.mappedType.target || symbol.mappedType);
- var propType = instantiateType(templateType, symbol.mapper);
- // When creating an optional property in strictNullChecks mode, if 'undefined' isn't assignable to the
- // type, we include 'undefined' in the type. Similarly, when creating a non-optional property in strictNullChecks
- // mode, if the underlying property is optional we remove 'undefined' from the type.
- var type = strictNullChecks && symbol.flags & 16777216 /* Optional */ && !maybeTypeOfKind(propType, 32768 /* Undefined */ | 16384 /* Void */) ? getOptionalType(propType) :
- symbol.checkFlags & 524288 /* StripOptional */ ? getTypeWithFacts(propType, 524288 /* NEUndefined */) :
- propType;
- if (!popTypeResolution()) {
- error(currentNode, ts.Diagnostics.Type_of_property_0_circularly_references_itself_in_mapped_type_1, symbolToString(symbol), typeToString(symbol.mappedType));
- type = errorType;
- }
- symbol.type = type;
- symbol.mapper = undefined;
- }
- return symbol.type;
- }
- function getTypeParameterFromMappedType(type) {
- return type.typeParameter ||
- (type.typeParameter = getDeclaredTypeOfTypeParameter(getSymbolOfNode(type.declaration.typeParameter)));
- }
- function getConstraintTypeFromMappedType(type) {
- return type.constraintType ||
- (type.constraintType = getConstraintOfTypeParameter(getTypeParameterFromMappedType(type)) || errorType);
- }
- function getTemplateTypeFromMappedType(type) {
- return type.templateType ||
- (type.templateType = type.declaration.type ?
- instantiateType(addOptionality(getTypeFromTypeNode(type.declaration.type), !!(getMappedTypeModifiers(type) & 4 /* IncludeOptional */)), type.mapper) :
- errorType);
- }
- function getConstraintDeclarationForMappedType(type) {
- return ts.getEffectiveConstraintOfTypeParameter(type.declaration.typeParameter);
- }
- function isMappedTypeWithKeyofConstraintDeclaration(type) {
- var constraintDeclaration = getConstraintDeclarationForMappedType(type); // TODO: GH#18217
- return constraintDeclaration.kind === 184 /* TypeOperator */ &&
- constraintDeclaration.operator === 134 /* KeyOfKeyword */;
- }
- function getModifiersTypeFromMappedType(type) {
- if (!type.modifiersType) {
- if (isMappedTypeWithKeyofConstraintDeclaration(type)) {
- // If the constraint declaration is a 'keyof T' node, the modifiers type is T. We check
- // AST nodes here because, when T is a non-generic type, the logic below eagerly resolves
- // 'keyof T' to a literal union type and we can't recover T from that type.
- type.modifiersType = instantiateType(getTypeFromTypeNode(getConstraintDeclarationForMappedType(type).type), type.mapper);
- }
- else {
- // Otherwise, get the declared constraint type, and if the constraint type is a type parameter,
- // get the constraint of that type parameter. If the resulting type is an indexed type 'keyof T',
- // the modifiers type is T. Otherwise, the modifiers type is unknown.
- var declaredType = getTypeFromMappedTypeNode(type.declaration);
- var constraint = getConstraintTypeFromMappedType(declaredType);
- var extendedConstraint = constraint && constraint.flags & 262144 /* TypeParameter */ ? getConstraintOfTypeParameter(constraint) : constraint;
- type.modifiersType = extendedConstraint && extendedConstraint.flags & 4194304 /* Index */ ? instantiateType(extendedConstraint.type, type.mapper) : unknownType;
- }
- }
- return type.modifiersType;
- }
- function getMappedTypeModifiers(type) {
- var declaration = type.declaration;
- return (declaration.readonlyToken ? declaration.readonlyToken.kind === 40 /* MinusToken */ ? 2 /* ExcludeReadonly */ : 1 /* IncludeReadonly */ : 0) |
- (declaration.questionToken ? declaration.questionToken.kind === 40 /* MinusToken */ ? 8 /* ExcludeOptional */ : 4 /* IncludeOptional */ : 0);
- }
- function getMappedTypeOptionality(type) {
- var modifiers = getMappedTypeModifiers(type);
- return modifiers & 8 /* ExcludeOptional */ ? -1 : modifiers & 4 /* IncludeOptional */ ? 1 : 0;
- }
- function getCombinedMappedTypeOptionality(type) {
- var optionality = getMappedTypeOptionality(type);
- var modifiersType = getModifiersTypeFromMappedType(type);
- return optionality || (isGenericMappedType(modifiersType) ? getMappedTypeOptionality(modifiersType) : 0);
- }
- function isPartialMappedType(type) {
- return !!(ts.getObjectFlags(type) & 32 /* Mapped */ && getMappedTypeModifiers(type) & 4 /* IncludeOptional */);
- }
- function isGenericMappedType(type) {
- return !!(ts.getObjectFlags(type) & 32 /* Mapped */) && isGenericIndexType(getConstraintTypeFromMappedType(type));
- }
- function resolveStructuredTypeMembers(type) {
- if (!type.members) {
- if (type.flags & 524288 /* Object */) {
- if (type.objectFlags & 4 /* Reference */) {
- resolveTypeReferenceMembers(type);
- }
- else if (type.objectFlags & 3 /* ClassOrInterface */) {
- resolveClassOrInterfaceMembers(type);
- }
- else if (type.objectFlags & 2048 /* ReverseMapped */) {
- resolveReverseMappedTypeMembers(type);
- }
- else if (type.objectFlags & 16 /* Anonymous */) {
- resolveAnonymousTypeMembers(type);
- }
- else if (type.objectFlags & 32 /* Mapped */) {
- resolveMappedTypeMembers(type);
- }
- }
- else if (type.flags & 1048576 /* Union */) {
- resolveUnionTypeMembers(type);
- }
- else if (type.flags & 2097152 /* Intersection */) {
- resolveIntersectionTypeMembers(type);
- }
- }
- return type;
- }
- /** Return properties of an object type or an empty array for other types */
- function getPropertiesOfObjectType(type) {
- if (type.flags & 524288 /* Object */) {
- return resolveStructuredTypeMembers(type).properties;
- }
- return ts.emptyArray;
- }
- /** If the given type is an object type and that type has a property by the given name,
- * return the symbol for that property. Otherwise return undefined.
- */
- function getPropertyOfObjectType(type, name) {
- if (type.flags & 524288 /* Object */) {
- var resolved = resolveStructuredTypeMembers(type);
- var symbol = resolved.members.get(name);
- if (symbol && symbolIsValue(symbol)) {
- return symbol;
- }
- }
- }
- function getPropertiesOfUnionOrIntersectionType(type) {
- if (!type.resolvedProperties) {
- var members = ts.createSymbolTable();
- for (var _i = 0, _a = type.types; _i < _a.length; _i++) {
- var current = _a[_i];
- for (var _b = 0, _c = getPropertiesOfType(current); _b < _c.length; _b++) {
- var prop = _c[_b];
- if (!members.has(prop.escapedName)) {
- var combinedProp = getPropertyOfUnionOrIntersectionType(type, prop.escapedName);
- if (combinedProp) {
- members.set(prop.escapedName, combinedProp);
- }
- }
- }
- // The properties of a union type are those that are present in all constituent types, so
- // we only need to check the properties of the first type without index signature
- if (type.flags & 1048576 /* Union */ && !getIndexInfoOfType(current, 0 /* String */) && !getIndexInfoOfType(current, 1 /* Number */)) {
- break;
- }
- }
- type.resolvedProperties = getNamedMembers(members);
- }
- return type.resolvedProperties;
- }
- function getPropertiesOfType(type) {
- type = getReducedApparentType(type);
- return type.flags & 3145728 /* UnionOrIntersection */ ?
- getPropertiesOfUnionOrIntersectionType(type) :
- getPropertiesOfObjectType(type);
- }
- function isTypeInvalidDueToUnionDiscriminant(contextualType, obj) {
- var list = obj.properties;
- return list.some(function (property) {
- var nameType = property.name && getLiteralTypeFromPropertyName(property.name);
- var name = nameType && isTypeUsableAsPropertyName(nameType) ? getPropertyNameFromType(nameType) : undefined;
- var expected = name === undefined ? undefined : getTypeOfPropertyOfType(contextualType, name);
- return !!expected && isLiteralType(expected) && !isTypeAssignableTo(getTypeOfNode(property), expected);
- });
- }
- function getAllPossiblePropertiesOfTypes(types) {
- var unionType = getUnionType(types);
- if (!(unionType.flags & 1048576 /* Union */)) {
- return getAugmentedPropertiesOfType(unionType);
- }
- var props = ts.createSymbolTable();
- for (var _i = 0, types_4 = types; _i < types_4.length; _i++) {
- var memberType = types_4[_i];
- for (var _a = 0, _b = getAugmentedPropertiesOfType(memberType); _a < _b.length; _a++) {
- var escapedName = _b[_a].escapedName;
- if (!props.has(escapedName)) {
- var prop = createUnionOrIntersectionProperty(unionType, escapedName);
- // May be undefined if the property is private
- if (prop)
- props.set(escapedName, prop);
- }
- }
- }
- return ts.arrayFrom(props.values());
- }
- function getConstraintOfType(type) {
- return type.flags & 262144 /* TypeParameter */ ? getConstraintOfTypeParameter(type) :
- type.flags & 8388608 /* IndexedAccess */ ? getConstraintOfIndexedAccess(type) :
- type.flags & 16777216 /* Conditional */ ? getConstraintOfConditionalType(type) :
- getBaseConstraintOfType(type);
- }
- function getConstraintOfTypeParameter(typeParameter) {
- return hasNonCircularBaseConstraint(typeParameter) ? getConstraintFromTypeParameter(typeParameter) : undefined;
- }
- function getConstraintOfIndexedAccess(type) {
- return hasNonCircularBaseConstraint(type) ? getConstraintFromIndexedAccess(type) : undefined;
- }
- function getSimplifiedTypeOrConstraint(type) {
- var simplified = getSimplifiedType(type, /*writing*/ false);
- return simplified !== type ? simplified : getConstraintOfType(type);
- }
- function getConstraintFromIndexedAccess(type) {
- var indexConstraint = getSimplifiedTypeOrConstraint(type.indexType);
- if (indexConstraint && indexConstraint !== type.indexType) {
- var indexedAccess = getIndexedAccessTypeOrUndefined(type.objectType, indexConstraint);
- if (indexedAccess) {
- return indexedAccess;
- }
- }
- var objectConstraint = getSimplifiedTypeOrConstraint(type.objectType);
- if (objectConstraint && objectConstraint !== type.objectType) {
- return getIndexedAccessTypeOrUndefined(objectConstraint, type.indexType);
- }
- return undefined;
- }
- function getDefaultConstraintOfConditionalType(type) {
- if (!type.resolvedDefaultConstraint) {
- // An `any` branch of a conditional type would normally be viral - specifically, without special handling here,
- // a conditional type with a single branch of type `any` would be assignable to anything, since it's constraint would simplify to
- // just `any`. This result is _usually_ unwanted - so instead here we elide an `any` branch from the constraint type,
- // in effect treating `any` like `never` rather than `unknown` in this location.
- var trueConstraint = getInferredTrueTypeFromConditionalType(type);
- var falseConstraint = getFalseTypeFromConditionalType(type);
- type.resolvedDefaultConstraint = isTypeAny(trueConstraint) ? falseConstraint : isTypeAny(falseConstraint) ? trueConstraint : getUnionType([trueConstraint, falseConstraint]);
- }
- return type.resolvedDefaultConstraint;
- }
- function getConstraintOfDistributiveConditionalType(type) {
- // Check if we have a conditional type of the form 'T extends U ? X : Y', where T is a constrained
- // type parameter. If so, create an instantiation of the conditional type where T is replaced
- // with its constraint. We do this because if the constraint is a union type it will be distributed
- // over the conditional type and possibly reduced. For example, 'T extends undefined ? never : T'
- // removes 'undefined' from T.
- // We skip returning a distributive constraint for a restrictive instantiation of a conditional type
- // as the constraint for all type params (check type included) have been replace with `unknown`, which
- // is going to produce even more false positive/negative results than the distribute constraint already does.
- // Please note: the distributive constraint is a kludge for emulating what a negated type could to do filter
- // a union - once negated types exist and are applied to the conditional false branch, this "constraint"
- // likely doesn't need to exist.
- if (type.root.isDistributive && type.restrictiveInstantiation !== type) {
- var simplified = getSimplifiedType(type.checkType, /*writing*/ false);
- var constraint = simplified === type.checkType ? getConstraintOfType(simplified) : simplified;
- if (constraint && constraint !== type.checkType) {
- var instantiated = getConditionalTypeInstantiation(type, prependTypeMapping(type.root.checkType, constraint, type.mapper));
- if (!(instantiated.flags & 131072 /* Never */)) {
- return instantiated;
- }
- }
- }
- return undefined;
- }
- function getConstraintFromConditionalType(type) {
- return getConstraintOfDistributiveConditionalType(type) || getDefaultConstraintOfConditionalType(type);
- }
- function getConstraintOfConditionalType(type) {
- return hasNonCircularBaseConstraint(type) ? getConstraintFromConditionalType(type) : undefined;
- }
- function getEffectiveConstraintOfIntersection(types, targetIsUnion) {
- var constraints;
- var hasDisjointDomainType = false;
- for (var _i = 0, types_5 = types; _i < types_5.length; _i++) {
- var t = types_5[_i];
- if (t.flags & 63176704 /* Instantiable */) {
- // We keep following constraints as long as we have an instantiable type that is known
- // not to be circular or infinite (hence we stop on index access types).
- var constraint = getConstraintOfType(t);
- while (constraint && constraint.flags & (262144 /* TypeParameter */ | 4194304 /* Index */ | 16777216 /* Conditional */)) {
- constraint = getConstraintOfType(constraint);
- }
- if (constraint) {
- constraints = ts.append(constraints, constraint);
- if (targetIsUnion) {
- constraints = ts.append(constraints, t);
- }
- }
- }
- else if (t.flags & 67238908 /* DisjointDomains */) {
- hasDisjointDomainType = true;
- }
- }
- // If the target is a union type or if we are intersecting with types belonging to one of the
- // disjoint domains, we may end up producing a constraint that hasn't been examined before.
- if (constraints && (targetIsUnion || hasDisjointDomainType)) {
- if (hasDisjointDomainType) {
- // We add any types belong to one of the disjoint domains because they might cause the final
- // intersection operation to reduce the union constraints.
- for (var _a = 0, types_6 = types; _a < types_6.length; _a++) {
- var t = types_6[_a];
- if (t.flags & 67238908 /* DisjointDomains */) {
- constraints = ts.append(constraints, t);
- }
- }
- }
- return getIntersectionType(constraints);
- }
- return undefined;
- }
- function getBaseConstraintOfType(type) {
- if (type.flags & (58982400 /* InstantiableNonPrimitive */ | 3145728 /* UnionOrIntersection */)) {
- var constraint = getResolvedBaseConstraint(type);
- return constraint !== noConstraintType && constraint !== circularConstraintType ? constraint : undefined;
- }
- return type.flags & 4194304 /* Index */ ? keyofConstraintType : undefined;
- }
- /**
- * This is similar to `getBaseConstraintOfType` except it returns the input type if there's no base constraint, instead of `undefined`
- * It also doesn't map indexes to `string`, as where this is used this would be unneeded (and likely undesirable)
- */
- function getBaseConstraintOrType(type) {
- return getBaseConstraintOfType(type) || type;
- }
- function hasNonCircularBaseConstraint(type) {
- return getResolvedBaseConstraint(type) !== circularConstraintType;
- }
- /**
- * Return the resolved base constraint of a type variable. The noConstraintType singleton is returned if the
- * type variable has no constraint, and the circularConstraintType singleton is returned if the constraint
- * circularly references the type variable.
- */
- function getResolvedBaseConstraint(type) {
- var nonTerminating = false;
- return type.resolvedBaseConstraint ||
- (type.resolvedBaseConstraint = getTypeWithThisArgument(getImmediateBaseConstraint(type), type));
- function getImmediateBaseConstraint(t) {
- if (!t.immediateBaseConstraint) {
- if (!pushTypeResolution(t, 4 /* ImmediateBaseConstraint */)) {
- return circularConstraintType;
- }
- if (constraintDepth >= 50) {
- // We have reached 50 recursive invocations of getImmediateBaseConstraint and there is a
- // very high likelihood we're dealing with an infinite generic type that perpetually generates
- // new type identities as we descend into it. We stop the recursion here and mark this type
- // and the outer types as having circular constraints.
- error(currentNode, ts.Diagnostics.Type_instantiation_is_excessively_deep_and_possibly_infinite);
- nonTerminating = true;
- return t.immediateBaseConstraint = noConstraintType;
- }
- constraintDepth++;
- var result = computeBaseConstraint(getSimplifiedType(t, /*writing*/ false));
- constraintDepth--;
- if (!popTypeResolution()) {
- if (t.flags & 262144 /* TypeParameter */) {
- var errorNode = getConstraintDeclaration(t);
- if (errorNode) {
- var diagnostic = error(errorNode, ts.Diagnostics.Type_parameter_0_has_a_circular_constraint, typeToString(t));
- if (currentNode && !ts.isNodeDescendantOf(errorNode, currentNode) && !ts.isNodeDescendantOf(currentNode, errorNode)) {
- ts.addRelatedInfo(diagnostic, ts.createDiagnosticForNode(currentNode, ts.Diagnostics.Circularity_originates_in_type_at_this_location));
- }
- }
- }
- result = circularConstraintType;
- }
- if (nonTerminating) {
- result = circularConstraintType;
- }
- t.immediateBaseConstraint = result || noConstraintType;
- }
- return t.immediateBaseConstraint;
- }
- function getBaseConstraint(t) {
- var c = getImmediateBaseConstraint(t);
- return c !== noConstraintType && c !== circularConstraintType ? c : undefined;
- }
- function computeBaseConstraint(t) {
- if (t.flags & 262144 /* TypeParameter */) {
- var constraint = getConstraintFromTypeParameter(t);
- return t.isThisType || !constraint ?
- constraint :
- getBaseConstraint(constraint);
- }
- if (t.flags & 3145728 /* UnionOrIntersection */) {
- var types = t.types;
- var baseTypes = [];
- for (var _i = 0, types_7 = types; _i < types_7.length; _i++) {
- var type_2 = types_7[_i];
- var baseType = getBaseConstraint(type_2);
- if (baseType) {
- baseTypes.push(baseType);
- }
- }
- return t.flags & 1048576 /* Union */ && baseTypes.length === types.length ? getUnionType(baseTypes) :
- t.flags & 2097152 /* Intersection */ && baseTypes.length ? getIntersectionType(baseTypes) :
- undefined;
- }
- if (t.flags & 4194304 /* Index */) {
- return keyofConstraintType;
- }
- if (t.flags & 8388608 /* IndexedAccess */) {
- var baseObjectType = getBaseConstraint(t.objectType);
- var baseIndexType = getBaseConstraint(t.indexType);
- var baseIndexedAccess = baseObjectType && baseIndexType && getIndexedAccessTypeOrUndefined(baseObjectType, baseIndexType);
- return baseIndexedAccess && getBaseConstraint(baseIndexedAccess);
- }
- if (t.flags & 16777216 /* Conditional */) {
- var constraint = getConstraintFromConditionalType(t);
- constraintDepth++; // Penalize repeating conditional types (this captures the recursion within getConstraintFromConditionalType and carries it forward)
- var result = constraint && getBaseConstraint(constraint);
- constraintDepth--;
- return result;
- }
- if (t.flags & 33554432 /* Substitution */) {
- return getBaseConstraint(t.substitute);
- }
- return t;
- }
- }
- function getApparentTypeOfIntersectionType(type) {
- return type.resolvedApparentType || (type.resolvedApparentType = getTypeWithThisArgument(type, type, /*apparentType*/ true));
- }
- function getResolvedTypeParameterDefault(typeParameter) {
- if (!typeParameter.default) {
- if (typeParameter.target) {
- var targetDefault = getResolvedTypeParameterDefault(typeParameter.target);
- typeParameter.default = targetDefault ? instantiateType(targetDefault, typeParameter.mapper) : noConstraintType;
- }
- else {
- // To block recursion, set the initial value to the resolvingDefaultType.
- typeParameter.default = resolvingDefaultType;
- var defaultDeclaration = typeParameter.symbol && ts.forEach(typeParameter.symbol.declarations, function (decl) { return ts.isTypeParameterDeclaration(decl) && decl.default; });
- var defaultType = defaultDeclaration ? getTypeFromTypeNode(defaultDeclaration) : noConstraintType;
- if (typeParameter.default === resolvingDefaultType) {
- // If we have not been called recursively, set the correct default type.
- typeParameter.default = defaultType;
- }
- }
- }
- else if (typeParameter.default === resolvingDefaultType) {
- // If we are called recursively for this type parameter, mark the default as circular.
- typeParameter.default = circularConstraintType;
- }
- return typeParameter.default;
- }
- /**
- * Gets the default type for a type parameter.
- *
- * If the type parameter is the result of an instantiation, this gets the instantiated
- * default type of its target. If the type parameter has no default type or the default is
- * circular, `undefined` is returned.
- */
- function getDefaultFromTypeParameter(typeParameter) {
- var defaultType = getResolvedTypeParameterDefault(typeParameter);
- return defaultType !== noConstraintType && defaultType !== circularConstraintType ? defaultType : undefined;
- }
- function hasNonCircularTypeParameterDefault(typeParameter) {
- return getResolvedTypeParameterDefault(typeParameter) !== circularConstraintType;
- }
- /**
- * Indicates whether the declaration of a typeParameter has a default type.
- */
- function hasTypeParameterDefault(typeParameter) {
- return !!(typeParameter.symbol && ts.forEach(typeParameter.symbol.declarations, function (decl) { return ts.isTypeParameterDeclaration(decl) && decl.default; }));
- }
- function getApparentTypeOfMappedType(type) {
- return type.resolvedApparentType || (type.resolvedApparentType = getResolvedApparentTypeOfMappedType(type));
- }
- function getResolvedApparentTypeOfMappedType(type) {
- var typeVariable = getHomomorphicTypeVariable(type);
- if (typeVariable) {
- var constraint = getConstraintOfTypeParameter(typeVariable);
- if (constraint && (isArrayType(constraint) || isTupleType(constraint))) {
- return instantiateType(type, prependTypeMapping(typeVariable, constraint, type.mapper));
- }
- }
- return type;
- }
- /**
- * For a type parameter, return the base constraint of the type parameter. For the string, number,
- * boolean, and symbol primitive types, return the corresponding object types. Otherwise return the
- * type itself.
- */
- function getApparentType(type) {
- var t = type.flags & 63176704 /* Instantiable */ ? getBaseConstraintOfType(type) || unknownType : type;
- return ts.getObjectFlags(t) & 32 /* Mapped */ ? getApparentTypeOfMappedType(t) :
- t.flags & 2097152 /* Intersection */ ? getApparentTypeOfIntersectionType(t) :
- t.flags & 132 /* StringLike */ ? globalStringType :
- t.flags & 296 /* NumberLike */ ? globalNumberType :
- t.flags & 2112 /* BigIntLike */ ? getGlobalBigIntType(/*reportErrors*/ languageVersion >= 7 /* ES2020 */) :
- t.flags & 528 /* BooleanLike */ ? globalBooleanType :
- t.flags & 12288 /* ESSymbolLike */ ? getGlobalESSymbolType(/*reportErrors*/ languageVersion >= 2 /* ES2015 */) :
- t.flags & 67108864 /* NonPrimitive */ ? emptyObjectType :
- t.flags & 4194304 /* Index */ ? keyofConstraintType :
- t.flags & 2 /* Unknown */ && !strictNullChecks ? emptyObjectType :
- t;
- }
- function getReducedApparentType(type) {
- // Since getApparentType may return a non-reduced union or intersection type, we need to perform
- // type reduction both before and after obtaining the apparent type. For example, given a type parameter
- // 'T extends A | B', the type 'T & X' becomes 'A & X | B & X' after obtaining the apparent type, and
- // that type may need futher reduction to remove empty intersections.
- return getReducedType(getApparentType(getReducedType(type)));
- }
- function createUnionOrIntersectionProperty(containingType, name) {
- var singleProp;
- var propSet;
- var indexTypes;
- var isUnion = containingType.flags & 1048576 /* Union */;
- // Flags we want to propagate to the result if they exist in all source symbols
- var optionalFlag = isUnion ? 0 /* None */ : 16777216 /* Optional */;
- var syntheticFlag = 4 /* SyntheticMethod */;
- var checkFlags = 0;
- for (var _i = 0, _a = containingType.types; _i < _a.length; _i++) {
- var current = _a[_i];
- var type = getApparentType(current);
- if (!(type === errorType || type.flags & 131072 /* Never */)) {
- var prop = getPropertyOfType(type, name);
- var modifiers = prop ? ts.getDeclarationModifierFlagsFromSymbol(prop) : 0;
- if (prop) {
- if (isUnion) {
- optionalFlag |= (prop.flags & 16777216 /* Optional */);
- }
- else {
- optionalFlag &= prop.flags;
- }
- if (!singleProp) {
- singleProp = prop;
- }
- else if (prop !== singleProp) {
- if (!propSet) {
- propSet = ts.createMap();
- propSet.set("" + getSymbolId(singleProp), singleProp);
- }
- var id = "" + getSymbolId(prop);
- if (!propSet.has(id)) {
- propSet.set(id, prop);
- }
- }
- checkFlags |= (isReadonlySymbol(prop) ? 8 /* Readonly */ : 0) |
- (!(modifiers & 24 /* NonPublicAccessibilityModifier */) ? 256 /* ContainsPublic */ : 0) |
- (modifiers & 16 /* Protected */ ? 512 /* ContainsProtected */ : 0) |
- (modifiers & 8 /* Private */ ? 1024 /* ContainsPrivate */ : 0) |
- (modifiers & 32 /* Static */ ? 2048 /* ContainsStatic */ : 0);
- if (!isPrototypeProperty(prop)) {
- syntheticFlag = 2 /* SyntheticProperty */;
- }
- }
- else if (isUnion) {
- var indexInfo = !isLateBoundName(name) && (isNumericLiteralName(name) && getIndexInfoOfType(type, 1 /* Number */) || getIndexInfoOfType(type, 0 /* String */));
- if (indexInfo) {
- checkFlags |= 32 /* WritePartial */ | (indexInfo.isReadonly ? 8 /* Readonly */ : 0);
- indexTypes = ts.append(indexTypes, isTupleType(type) ? getRestTypeOfTupleType(type) || undefinedType : indexInfo.type);
- }
- else if (isObjectLiteralType(type)) {
- checkFlags |= 32 /* WritePartial */;
- indexTypes = ts.append(indexTypes, undefinedType);
- }
- else {
- checkFlags |= 16 /* ReadPartial */;
- }
- }
- }
- }
- if (!singleProp || isUnion && (propSet || checkFlags & 48 /* Partial */) && checkFlags & (1024 /* ContainsPrivate */ | 512 /* ContainsProtected */)) {
- // No property was found, or, in a union, a property has a private or protected declaration in one
- // constituent, but is missing or has a different declaration in another constituent.
- return undefined;
- }
- if (!propSet && !(checkFlags & 16 /* ReadPartial */) && !indexTypes) {
- return singleProp;
- }
- var props = propSet ? ts.arrayFrom(propSet.values()) : [singleProp];
- var declarations;
- var firstType;
- var nameType;
- var propTypes = [];
- var firstValueDeclaration;
- var hasNonUniformValueDeclaration = false;
- for (var _b = 0, props_1 = props; _b < props_1.length; _b++) {
- var prop = props_1[_b];
- if (!firstValueDeclaration) {
- firstValueDeclaration = prop.valueDeclaration;
- }
- else if (prop.valueDeclaration && prop.valueDeclaration !== firstValueDeclaration) {
- hasNonUniformValueDeclaration = true;
- }
- declarations = ts.addRange(declarations, prop.declarations);
- var type = getTypeOfSymbol(prop);
- if (!firstType) {
- firstType = type;
- nameType = getSymbolLinks(prop).nameType;
- }
- else if (type !== firstType) {
- checkFlags |= 64 /* HasNonUniformType */;
- }
- if (isLiteralType(type)) {
- checkFlags |= 128 /* HasLiteralType */;
- }
- if (type.flags & 131072 /* Never */) {
- checkFlags |= 131072 /* HasNeverType */;
- }
- propTypes.push(type);
- }
- ts.addRange(propTypes, indexTypes);
- var result = createSymbol(4 /* Property */ | optionalFlag, name, syntheticFlag | checkFlags);
- result.containingType = containingType;
- if (!hasNonUniformValueDeclaration && firstValueDeclaration) {
- result.valueDeclaration = firstValueDeclaration;
- // Inherit information about parent type.
- if (firstValueDeclaration.symbol.parent) {
- result.parent = firstValueDeclaration.symbol.parent;
- }
- }
- result.declarations = declarations;
- result.nameType = nameType;
- if (propTypes.length > 2) {
- // When `propTypes` has the potential to explode in size when normalized, defer normalization until absolutely needed
- result.checkFlags |= 65536 /* DeferredType */;
- result.deferralParent = containingType;
- result.deferralConstituents = propTypes;
- }
- else {
- result.type = isUnion ? getUnionType(propTypes) : getIntersectionType(propTypes);
- }
- return result;
- }
- // Return the symbol for a given property in a union or intersection type, or undefined if the property
- // does not exist in any constituent type. Note that the returned property may only be present in some
- // constituents, in which case the isPartial flag is set when the containing type is union type. We need
- // these partial properties when identifying discriminant properties, but otherwise they are filtered out
- // and do not appear to be present in the union type.
- function getUnionOrIntersectionProperty(type, name) {
- var properties = type.propertyCache || (type.propertyCache = ts.createSymbolTable());
- var property = properties.get(name);
- if (!property) {
- property = createUnionOrIntersectionProperty(type, name);
- if (property) {
- properties.set(name, property);
- }
- }
- return property;
- }
- function getPropertyOfUnionOrIntersectionType(type, name) {
- var property = getUnionOrIntersectionProperty(type, name);
- // We need to filter out partial properties in union types
- return property && !(ts.getCheckFlags(property) & 16 /* ReadPartial */) ? property : undefined;
- }
- /**
- * Return the reduced form of the given type. For a union type, it is a union of the normalized constituent types.
- * For an intersection of types containing one or more mututally exclusive discriminant properties, it is 'never'.
- * For all other types, it is simply the type itself. Discriminant properties are considered mutually exclusive when
- * no constituent property has type 'never', but the intersection of the constituent property types is 'never'.
- */
- function getReducedType(type) {
- if (type.flags & 1048576 /* Union */ && type.objectFlags & 268435456 /* ContainsIntersections */) {
- return type.resolvedReducedType || (type.resolvedReducedType = getReducedUnionType(type));
- }
- else if (type.flags & 2097152 /* Intersection */) {
- if (!(type.objectFlags & 268435456 /* IsNeverIntersectionComputed */)) {
- type.objectFlags |= 268435456 /* IsNeverIntersectionComputed */ |
- (ts.some(getPropertiesOfUnionOrIntersectionType(type), isNeverReducedProperty) ? 536870912 /* IsNeverIntersection */ : 0);
- }
- return type.objectFlags & 536870912 /* IsNeverIntersection */ ? neverType : type;
- }
- return type;
- }
- function getReducedUnionType(unionType) {
- var reducedTypes = ts.sameMap(unionType.types, getReducedType);
- if (reducedTypes === unionType.types) {
- return unionType;
- }
- var reduced = getUnionType(reducedTypes);
- if (reduced.flags & 1048576 /* Union */) {
- reduced.resolvedReducedType = reduced;
- }
- return reduced;
- }
- function isNeverReducedProperty(prop) {
- return isDiscriminantWithNeverType(prop) || isConflictingPrivateProperty(prop);
- }
- function isDiscriminantWithNeverType(prop) {
- // Return true for a synthetic non-optional property with non-uniform types, where at least one is
- // a literal type and none is never, that reduces to never.
- return !(prop.flags & 16777216 /* Optional */) &&
- (ts.getCheckFlags(prop) & (192 /* Discriminant */ | 131072 /* HasNeverType */)) === 192 /* Discriminant */ &&
- !!(getTypeOfSymbol(prop).flags & 131072 /* Never */);
- }
- function isConflictingPrivateProperty(prop) {
- // Return true for a synthetic property with multiple declarations, at least one of which is private.
- return !prop.valueDeclaration && !!(ts.getCheckFlags(prop) & 1024 /* ContainsPrivate */);
- }
- function elaborateNeverIntersection(errorInfo, type) {
- if (ts.getObjectFlags(type) & 536870912 /* IsNeverIntersection */) {
- var neverProp = ts.find(getPropertiesOfUnionOrIntersectionType(type), isDiscriminantWithNeverType);
- if (neverProp) {
- return ts.chainDiagnosticMessages(errorInfo, ts.Diagnostics.The_intersection_0_was_reduced_to_never_because_property_1_has_conflicting_types_in_some_constituents, typeToString(type, /*enclosingDeclaration*/ undefined, 536870912 /* NoTypeReduction */), symbolToString(neverProp));
- }
- var privateProp = ts.find(getPropertiesOfUnionOrIntersectionType(type), isConflictingPrivateProperty);
- if (privateProp) {
- return ts.chainDiagnosticMessages(errorInfo, ts.Diagnostics.The_intersection_0_was_reduced_to_never_because_property_1_exists_in_multiple_constituents_and_is_private_in_some, typeToString(type, /*enclosingDeclaration*/ undefined, 536870912 /* NoTypeReduction */), symbolToString(privateProp));
- }
- }
- return errorInfo;
- }
- /**
- * Return the symbol for the property with the given name in the given type. Creates synthetic union properties when
- * necessary, maps primitive types and type parameters are to their apparent types, and augments with properties from
- * Object and Function as appropriate.
- *
- * @param type a type to look up property from
- * @param name a name of property to look up in a given type
- */
- function getPropertyOfType(type, name) {
- type = getReducedApparentType(type);
- if (type.flags & 524288 /* Object */) {
- var resolved = resolveStructuredTypeMembers(type);
- var symbol = resolved.members.get(name);
- if (symbol && symbolIsValue(symbol)) {
- return symbol;
- }
- var functionType = resolved === anyFunctionType ? globalFunctionType :
- resolved.callSignatures.length ? globalCallableFunctionType :
- resolved.constructSignatures.length ? globalNewableFunctionType :
- undefined;
- if (functionType) {
- var symbol_1 = getPropertyOfObjectType(functionType, name);
- if (symbol_1) {
- return symbol_1;
- }
- }
- return getPropertyOfObjectType(globalObjectType, name);
- }
- if (type.flags & 3145728 /* UnionOrIntersection */) {
- return getPropertyOfUnionOrIntersectionType(type, name);
- }
- return undefined;
- }
- function getSignaturesOfStructuredType(type, kind) {
- if (type.flags & 3670016 /* StructuredType */) {
- var resolved = resolveStructuredTypeMembers(type);
- return kind === 0 /* Call */ ? resolved.callSignatures : resolved.constructSignatures;
- }
- return ts.emptyArray;
- }
- /**
- * Return the signatures of the given kind in the given type. Creates synthetic union signatures when necessary and
- * maps primitive types and type parameters are to their apparent types.
- */
- function getSignaturesOfType(type, kind) {
- return getSignaturesOfStructuredType(getReducedApparentType(type), kind);
- }
- function getIndexInfoOfStructuredType(type, kind) {
- if (type.flags & 3670016 /* StructuredType */) {
- var resolved = resolveStructuredTypeMembers(type);
- return kind === 0 /* String */ ? resolved.stringIndexInfo : resolved.numberIndexInfo;
- }
- }
- function getIndexTypeOfStructuredType(type, kind) {
- var info = getIndexInfoOfStructuredType(type, kind);
- return info && info.type;
- }
- // Return the indexing info of the given kind in the given type. Creates synthetic union index types when necessary and
- // maps primitive types and type parameters are to their apparent types.
- function getIndexInfoOfType(type, kind) {
- return getIndexInfoOfStructuredType(getReducedApparentType(type), kind);
- }
- // Return the index type of the given kind in the given type. Creates synthetic union index types when necessary and
- // maps primitive types and type parameters are to their apparent types.
- function getIndexTypeOfType(type, kind) {
- return getIndexTypeOfStructuredType(getReducedApparentType(type), kind);
- }
- function getImplicitIndexTypeOfType(type, kind) {
- if (isObjectTypeWithInferableIndex(type)) {
- var propTypes = [];
- for (var _i = 0, _a = getPropertiesOfType(type); _i < _a.length; _i++) {
- var prop = _a[_i];
- if (kind === 0 /* String */ || isNumericLiteralName(prop.escapedName)) {
- propTypes.push(getTypeOfSymbol(prop));
- }
- }
- if (kind === 0 /* String */) {
- ts.append(propTypes, getIndexTypeOfType(type, 1 /* Number */));
- }
- if (propTypes.length) {
- return getUnionType(propTypes);
- }
- }
- return undefined;
- }
- // Return list of type parameters with duplicates removed (duplicate identifier errors are generated in the actual
- // type checking functions).
- function getTypeParametersFromDeclaration(declaration) {
- var result;
- for (var _i = 0, _a = ts.getEffectiveTypeParameterDeclarations(declaration); _i < _a.length; _i++) {
- var node = _a[_i];
- result = ts.appendIfUnique(result, getDeclaredTypeOfTypeParameter(node.symbol));
- }
- return result;
- }
- function symbolsToArray(symbols) {
- var result = [];
- symbols.forEach(function (symbol, id) {
- if (!isReservedMemberName(id)) {
- result.push(symbol);
- }
- });
- return result;
- }
- function isJSDocOptionalParameter(node) {
- return ts.isInJSFile(node) && (
- // node.type should only be a JSDocOptionalType when node is a parameter of a JSDocFunctionType
- node.type && node.type.kind === 299 /* JSDocOptionalType */
- || ts.getJSDocParameterTags(node).some(function (_a) {
- var isBracketed = _a.isBracketed, typeExpression = _a.typeExpression;
- return isBracketed || !!typeExpression && typeExpression.type.kind === 299 /* JSDocOptionalType */;
- }));
- }
- function tryFindAmbientModule(moduleName, withAugmentations) {
- if (ts.isExternalModuleNameRelative(moduleName)) {
- return undefined;
- }
- var symbol = getSymbol(globals, '"' + moduleName + '"', 512 /* ValueModule */);
- // merged symbol is module declaration symbol combined with all augmentations
- return symbol && withAugmentations ? getMergedSymbol(symbol) : symbol;
- }
- function isOptionalParameter(node) {
- if (ts.hasQuestionToken(node) || isOptionalJSDocParameterTag(node) || isJSDocOptionalParameter(node)) {
- return true;
- }
- if (node.initializer) {
- var signature = getSignatureFromDeclaration(node.parent);
- var parameterIndex = node.parent.parameters.indexOf(node);
- ts.Debug.assert(parameterIndex >= 0);
- return parameterIndex >= getMinArgumentCount(signature, /*strongArityForUntypedJS*/ true);
- }
- var iife = ts.getImmediatelyInvokedFunctionExpression(node.parent);
- if (iife) {
- return !node.type &&
- !node.dotDotDotToken &&
- node.parent.parameters.indexOf(node) >= iife.arguments.length;
- }
- return false;
- }
- function isOptionalJSDocParameterTag(node) {
- if (!ts.isJSDocParameterTag(node)) {
- return false;
- }
- var isBracketed = node.isBracketed, typeExpression = node.typeExpression;
- return isBracketed || !!typeExpression && typeExpression.type.kind === 299 /* JSDocOptionalType */;
- }
- function createTypePredicate(kind, parameterName, parameterIndex, type) {
- return { kind: kind, parameterName: parameterName, parameterIndex: parameterIndex, type: type };
- }
- /**
- * Gets the minimum number of type arguments needed to satisfy all non-optional type
- * parameters.
- */
- function getMinTypeArgumentCount(typeParameters) {
- var minTypeArgumentCount = 0;
- if (typeParameters) {
- for (var i = 0; i < typeParameters.length; i++) {
- if (!hasTypeParameterDefault(typeParameters[i])) {
- minTypeArgumentCount = i + 1;
- }
- }
- }
- return minTypeArgumentCount;
- }
- function fillMissingTypeArguments(typeArguments, typeParameters, minTypeArgumentCount, isJavaScriptImplicitAny) {
- var numTypeParameters = ts.length(typeParameters);
- if (!numTypeParameters) {
- return [];
- }
- var numTypeArguments = ts.length(typeArguments);
- if (isJavaScriptImplicitAny || (numTypeArguments >= minTypeArgumentCount && numTypeArguments <= numTypeParameters)) {
- var result = typeArguments ? typeArguments.slice() : [];
- // Map invalid forward references in default types to the error type
- for (var i = numTypeArguments; i < numTypeParameters; i++) {
- result[i] = errorType;
- }
- var baseDefaultType = getDefaultTypeArgumentType(isJavaScriptImplicitAny);
- for (var i = numTypeArguments; i < numTypeParameters; i++) {
- var defaultType = getDefaultFromTypeParameter(typeParameters[i]);
- if (isJavaScriptImplicitAny && defaultType && (isTypeIdenticalTo(defaultType, unknownType) || isTypeIdenticalTo(defaultType, emptyObjectType))) {
- defaultType = anyType;
- }
- result[i] = defaultType ? instantiateType(defaultType, createTypeMapper(typeParameters, result)) : baseDefaultType;
- }
- result.length = typeParameters.length;
- return result;
- }
- return typeArguments && typeArguments.slice();
- }
- function getSignatureFromDeclaration(declaration) {
- var links = getNodeLinks(declaration);
- if (!links.resolvedSignature) {
- var parameters = [];
- var flags = 0 /* None */;
- var minArgumentCount = 0;
- var thisParameter = void 0;
- var hasThisParameter = false;
- var iife = ts.getImmediatelyInvokedFunctionExpression(declaration);
- var isJSConstructSignature = ts.isJSDocConstructSignature(declaration);
- var isUntypedSignatureInJSFile = !iife &&
- ts.isInJSFile(declaration) &&
- ts.isValueSignatureDeclaration(declaration) &&
- !ts.hasJSDocParameterTags(declaration) &&
- !ts.getJSDocType(declaration);
- if (isUntypedSignatureInJSFile) {
- flags |= 16 /* IsUntypedSignatureInJSFile */;
- }
- // If this is a JSDoc construct signature, then skip the first parameter in the
- // parameter list. The first parameter represents the return type of the construct
- // signature.
- for (var i = isJSConstructSignature ? 1 : 0; i < declaration.parameters.length; i++) {
- var param = declaration.parameters[i];
- var paramSymbol = param.symbol;
- var type = ts.isJSDocParameterTag(param) ? (param.typeExpression && param.typeExpression.type) : param.type;
- // Include parameter symbol instead of property symbol in the signature
- if (paramSymbol && !!(paramSymbol.flags & 4 /* Property */) && !ts.isBindingPattern(param.name)) {
- var resolvedSymbol = resolveName(param, paramSymbol.escapedName, 111551 /* Value */, undefined, undefined, /*isUse*/ false);
- paramSymbol = resolvedSymbol;
- }
- if (i === 0 && paramSymbol.escapedName === "this" /* This */) {
- hasThisParameter = true;
- thisParameter = param.symbol;
- }
- else {
- parameters.push(paramSymbol);
- }
- if (type && type.kind === 187 /* LiteralType */) {
- flags |= 2 /* HasLiteralTypes */;
- }
- // Record a new minimum argument count if this is not an optional parameter
- var isOptionalParameter_1 = isOptionalJSDocParameterTag(param) ||
- param.initializer || param.questionToken || param.dotDotDotToken ||
- iife && parameters.length > iife.arguments.length && !type ||
- isJSDocOptionalParameter(param);
- if (!isOptionalParameter_1) {
- minArgumentCount = parameters.length;
- }
- }
- // If only one accessor includes a this-type annotation, the other behaves as if it had the same type annotation
- if ((declaration.kind === 163 /* GetAccessor */ || declaration.kind === 164 /* SetAccessor */) &&
- !hasNonBindableDynamicName(declaration) &&
- (!hasThisParameter || !thisParameter)) {
- var otherKind = declaration.kind === 163 /* GetAccessor */ ? 164 /* SetAccessor */ : 163 /* GetAccessor */;
- var other = ts.getDeclarationOfKind(getSymbolOfNode(declaration), otherKind);
- if (other) {
- thisParameter = getAnnotatedAccessorThisParameter(other);
- }
- }
- var classType = declaration.kind === 162 /* Constructor */ ?
- getDeclaredTypeOfClassOrInterface(getMergedSymbol(declaration.parent.symbol))
- : undefined;
- var typeParameters = classType ? classType.localTypeParameters : getTypeParametersFromDeclaration(declaration);
- if (ts.hasRestParameter(declaration) || ts.isInJSFile(declaration) && maybeAddJsSyntheticRestParameter(declaration, parameters)) {
- flags |= 1 /* HasRestParameter */;
- }
- links.resolvedSignature = createSignature(declaration, typeParameters, thisParameter, parameters,
- /*resolvedReturnType*/ undefined, /*resolvedTypePredicate*/ undefined, minArgumentCount, flags);
- }
- return links.resolvedSignature;
- }
- /**
- * A JS function gets a synthetic rest parameter if it references `arguments` AND:
- * 1. It has no parameters but at least one `@param` with a type that starts with `...`
- * OR
- * 2. It has at least one parameter, and the last parameter has a matching `@param` with a type that starts with `...`
- */
- function maybeAddJsSyntheticRestParameter(declaration, parameters) {
- if (ts.isJSDocSignature(declaration) || !containsArgumentsReference(declaration)) {
- return false;
- }
- var lastParam = ts.lastOrUndefined(declaration.parameters);
- var lastParamTags = lastParam ? ts.getJSDocParameterTags(lastParam) : ts.getJSDocTags(declaration).filter(ts.isJSDocParameterTag);
- var lastParamVariadicType = ts.firstDefined(lastParamTags, function (p) {
- return p.typeExpression && ts.isJSDocVariadicType(p.typeExpression.type) ? p.typeExpression.type : undefined;
- });
- var syntheticArgsSymbol = createSymbol(3 /* Variable */, "args", 32768 /* RestParameter */);
- syntheticArgsSymbol.type = lastParamVariadicType ? createArrayType(getTypeFromTypeNode(lastParamVariadicType.type)) : anyArrayType;
- if (lastParamVariadicType) {
- // Replace the last parameter with a rest parameter.
- parameters.pop();
- }
- parameters.push(syntheticArgsSymbol);
- return true;
- }
- function getSignatureOfTypeTag(node) {
- // should be attached to a function declaration or expression
- if (!(ts.isInJSFile(node) && ts.isFunctionLikeDeclaration(node)))
- return undefined;
- var typeTag = ts.getJSDocTypeTag(node);
- var signature = typeTag && typeTag.typeExpression && getSingleCallSignature(getTypeFromTypeNode(typeTag.typeExpression));
- return signature && getErasedSignature(signature);
- }
- function getReturnTypeOfTypeTag(node) {
- var signature = getSignatureOfTypeTag(node);
- return signature && getReturnTypeOfSignature(signature);
- }
- function containsArgumentsReference(declaration) {
- var links = getNodeLinks(declaration);
- if (links.containsArgumentsReference === undefined) {
- if (links.flags & 8192 /* CaptureArguments */) {
- links.containsArgumentsReference = true;
- }
- else {
- links.containsArgumentsReference = traverse(declaration.body);
- }
- }
- return links.containsArgumentsReference;
- function traverse(node) {
- if (!node)
- return false;
- switch (node.kind) {
- case 75 /* Identifier */:
- return node.escapedText === "arguments" && ts.isExpressionNode(node);
- case 159 /* PropertyDeclaration */:
- case 161 /* MethodDeclaration */:
- case 163 /* GetAccessor */:
- case 164 /* SetAccessor */:
- return node.name.kind === 154 /* ComputedPropertyName */
- && traverse(node.name);
- default:
- return !ts.nodeStartsNewLexicalEnvironment(node) && !ts.isPartOfTypeNode(node) && !!ts.forEachChild(node, traverse);
- }
- }
- }
- function getSignaturesOfSymbol(symbol) {
- if (!symbol)
- return ts.emptyArray;
- var result = [];
- for (var i = 0; i < symbol.declarations.length; i++) {
- var decl = symbol.declarations[i];
- if (!ts.isFunctionLike(decl))
- continue;
- // Don't include signature if node is the implementation of an overloaded function. A node is considered
- // an implementation node if it has a body and the previous node is of the same kind and immediately
- // precedes the implementation node (i.e. has the same parent and ends where the implementation starts).
- if (i > 0 && decl.body) {
- var previous = symbol.declarations[i - 1];
- if (decl.parent === previous.parent && decl.kind === previous.kind && decl.pos === previous.end) {
- continue;
- }
- }
- result.push(getSignatureFromDeclaration(decl));
- }
- return result;
- }
- function resolveExternalModuleTypeByLiteral(name) {
- var moduleSym = resolveExternalModuleName(name, name);
- if (moduleSym) {
- var resolvedModuleSymbol = resolveExternalModuleSymbol(moduleSym);
- if (resolvedModuleSymbol) {
- return getTypeOfSymbol(resolvedModuleSymbol);
- }
- }
- return anyType;
- }
- function getThisTypeOfSignature(signature) {
- if (signature.thisParameter) {
- return getTypeOfSymbol(signature.thisParameter);
- }
- }
- function getTypePredicateOfSignature(signature) {
- if (!signature.resolvedTypePredicate) {
- if (signature.target) {
- var targetTypePredicate = getTypePredicateOfSignature(signature.target);
- signature.resolvedTypePredicate = targetTypePredicate ? instantiateTypePredicate(targetTypePredicate, signature.mapper) : noTypePredicate;
- }
- else if (signature.unionSignatures) {
- signature.resolvedTypePredicate = getUnionTypePredicate(signature.unionSignatures) || noTypePredicate;
- }
- else {
- var type = signature.declaration && ts.getEffectiveReturnTypeNode(signature.declaration);
- var jsdocPredicate = void 0;
- if (!type && ts.isInJSFile(signature.declaration)) {
- var jsdocSignature = getSignatureOfTypeTag(signature.declaration);
- if (jsdocSignature && signature !== jsdocSignature) {
- jsdocPredicate = getTypePredicateOfSignature(jsdocSignature);
- }
- }
- signature.resolvedTypePredicate = type && ts.isTypePredicateNode(type) ?
- createTypePredicateFromTypePredicateNode(type, signature) :
- jsdocPredicate || noTypePredicate;
- }
- ts.Debug.assert(!!signature.resolvedTypePredicate);
- }
- return signature.resolvedTypePredicate === noTypePredicate ? undefined : signature.resolvedTypePredicate;
- }
- function createTypePredicateFromTypePredicateNode(node, signature) {
- var parameterName = node.parameterName;
- var type = node.type && getTypeFromTypeNode(node.type);
- return parameterName.kind === 183 /* ThisType */ ?
- createTypePredicate(node.assertsModifier ? 2 /* AssertsThis */ : 0 /* This */, /*parameterName*/ undefined, /*parameterIndex*/ undefined, type) :
- createTypePredicate(node.assertsModifier ? 3 /* AssertsIdentifier */ : 1 /* Identifier */, parameterName.escapedText, ts.findIndex(signature.parameters, function (p) { return p.escapedName === parameterName.escapedText; }), type);
- }
- function getReturnTypeOfSignature(signature) {
- if (!signature.resolvedReturnType) {
- if (!pushTypeResolution(signature, 3 /* ResolvedReturnType */)) {
- return errorType;
- }
- var type = signature.target ? instantiateType(getReturnTypeOfSignature(signature.target), signature.mapper) :
- signature.unionSignatures ? getUnionType(ts.map(signature.unionSignatures, getReturnTypeOfSignature), 2 /* Subtype */) :
- getReturnTypeFromAnnotation(signature.declaration) ||
- (ts.nodeIsMissing(signature.declaration.body) ? anyType : getReturnTypeFromBody(signature.declaration));
- if (signature.flags & 4 /* IsInnerCallChain */) {
- type = addOptionalTypeMarker(type);
- }
- else if (signature.flags & 8 /* IsOuterCallChain */) {
- type = getOptionalType(type);
- }
- if (!popTypeResolution()) {
- if (signature.declaration) {
- var typeNode = ts.getEffectiveReturnTypeNode(signature.declaration);
- if (typeNode) {
- error(typeNode, ts.Diagnostics.Return_type_annotation_circularly_references_itself);
- }
- else if (noImplicitAny) {
- var declaration = signature.declaration;
- var name = ts.getNameOfDeclaration(declaration);
- if (name) {
- error(name, ts.Diagnostics._0_implicitly_has_return_type_any_because_it_does_not_have_a_return_type_annotation_and_is_referenced_directly_or_indirectly_in_one_of_its_return_expressions, ts.declarationNameToString(name));
- }
- else {
- error(declaration, ts.Diagnostics.Function_implicitly_has_return_type_any_because_it_does_not_have_a_return_type_annotation_and_is_referenced_directly_or_indirectly_in_one_of_its_return_expressions);
- }
- }
- }
- type = anyType;
- }
- signature.resolvedReturnType = type;
- }
- return signature.resolvedReturnType;
- }
- function getReturnTypeFromAnnotation(declaration) {
- if (declaration.kind === 162 /* Constructor */) {
- return getDeclaredTypeOfClassOrInterface(getMergedSymbol(declaration.parent.symbol));
- }
- if (ts.isJSDocConstructSignature(declaration)) {
- return getTypeFromTypeNode(declaration.parameters[0].type); // TODO: GH#18217
- }
- var typeNode = ts.getEffectiveReturnTypeNode(declaration);
- if (typeNode) {
- return getTypeFromTypeNode(typeNode);
- }
- if (declaration.kind === 163 /* GetAccessor */ && !hasNonBindableDynamicName(declaration)) {
- var jsDocType = ts.isInJSFile(declaration) && getTypeForDeclarationFromJSDocComment(declaration);
- if (jsDocType) {
- return jsDocType;
- }
- var setter = ts.getDeclarationOfKind(getSymbolOfNode(declaration), 164 /* SetAccessor */);
- var setterType = getAnnotatedAccessorType(setter);
- if (setterType) {
- return setterType;
- }
- }
- return getReturnTypeOfTypeTag(declaration);
- }
- function isResolvingReturnTypeOfSignature(signature) {
- return !signature.resolvedReturnType && findResolutionCycleStartIndex(signature, 3 /* ResolvedReturnType */) >= 0;
- }
- function getRestTypeOfSignature(signature) {
- return tryGetRestTypeOfSignature(signature) || anyType;
- }
- function tryGetRestTypeOfSignature(signature) {
- if (signatureHasRestParameter(signature)) {
- var sigRestType = getTypeOfSymbol(signature.parameters[signature.parameters.length - 1]);
- var restType = isTupleType(sigRestType) ? getRestTypeOfTupleType(sigRestType) : sigRestType;
- return restType && getIndexTypeOfType(restType, 1 /* Number */);
- }
- return undefined;
- }
- function getSignatureInstantiation(signature, typeArguments, isJavascript, inferredTypeParameters) {
- var instantiatedSignature = getSignatureInstantiationWithoutFillingInTypeArguments(signature, fillMissingTypeArguments(typeArguments, signature.typeParameters, getMinTypeArgumentCount(signature.typeParameters), isJavascript));
- if (inferredTypeParameters) {
- var returnSignature = getSingleCallOrConstructSignature(getReturnTypeOfSignature(instantiatedSignature));
- if (returnSignature) {
- var newReturnSignature = cloneSignature(returnSignature);
- newReturnSignature.typeParameters = inferredTypeParameters;
- var newInstantiatedSignature = cloneSignature(instantiatedSignature);
- newInstantiatedSignature.resolvedReturnType = getOrCreateTypeFromSignature(newReturnSignature);
- return newInstantiatedSignature;
- }
- }
- return instantiatedSignature;
- }
- function getSignatureInstantiationWithoutFillingInTypeArguments(signature, typeArguments) {
- var instantiations = signature.instantiations || (signature.instantiations = ts.createMap());
- var id = getTypeListId(typeArguments);
- var instantiation = instantiations.get(id);
- if (!instantiation) {
- instantiations.set(id, instantiation = createSignatureInstantiation(signature, typeArguments));
- }
- return instantiation;
- }
- function createSignatureInstantiation(signature, typeArguments) {
- return instantiateSignature(signature, createSignatureTypeMapper(signature, typeArguments), /*eraseTypeParameters*/ true);
- }
- function createSignatureTypeMapper(signature, typeArguments) {
- return createTypeMapper(signature.typeParameters, typeArguments);
- }
- function getErasedSignature(signature) {
- return signature.typeParameters ?
- signature.erasedSignatureCache || (signature.erasedSignatureCache = createErasedSignature(signature)) :
- signature;
- }
- function createErasedSignature(signature) {
- // Create an instantiation of the signature where all type arguments are the any type.
- return instantiateSignature(signature, createTypeEraser(signature.typeParameters), /*eraseTypeParameters*/ true);
- }
- function getCanonicalSignature(signature) {
- return signature.typeParameters ?
- signature.canonicalSignatureCache || (signature.canonicalSignatureCache = createCanonicalSignature(signature)) :
- signature;
- }
- function createCanonicalSignature(signature) {
- // Create an instantiation of the signature where each unconstrained type parameter is replaced with
- // its original. When a generic class or interface is instantiated, each generic method in the class or
- // interface is instantiated with a fresh set of cloned type parameters (which we need to handle scenarios
- // where different generations of the same type parameter are in scope). This leads to a lot of new type
- // identities, and potentially a lot of work comparing those identities, so here we create an instantiation
- // that uses the original type identities for all unconstrained type parameters.
- return getSignatureInstantiation(signature, ts.map(signature.typeParameters, function (tp) { return tp.target && !getConstraintOfTypeParameter(tp.target) ? tp.target : tp; }), ts.isInJSFile(signature.declaration));
- }
- function getBaseSignature(signature) {
- var typeParameters = signature.typeParameters;
- if (typeParameters) {
- var typeEraser_1 = createTypeEraser(typeParameters);
- var baseConstraints = ts.map(typeParameters, function (tp) { return instantiateType(getBaseConstraintOfType(tp), typeEraser_1) || unknownType; });
- return instantiateSignature(signature, createTypeMapper(typeParameters, baseConstraints), /*eraseTypeParameters*/ true);
- }
- return signature;
- }
- function getOrCreateTypeFromSignature(signature) {
- // There are two ways to declare a construct signature, one is by declaring a class constructor
- // using the constructor keyword, and the other is declaring a bare construct signature in an
- // object type literal or interface (using the new keyword). Each way of declaring a constructor
- // will result in a different declaration kind.
- if (!signature.isolatedSignatureType) {
- var kind = signature.declaration ? signature.declaration.kind : 0 /* Unknown */;
- var isConstructor = kind === 162 /* Constructor */ || kind === 166 /* ConstructSignature */ || kind === 171 /* ConstructorType */;
- var type = createObjectType(16 /* Anonymous */);
- type.members = emptySymbols;
- type.properties = ts.emptyArray;
- type.callSignatures = !isConstructor ? [signature] : ts.emptyArray;
- type.constructSignatures = isConstructor ? [signature] : ts.emptyArray;
- signature.isolatedSignatureType = type;
- }
- return signature.isolatedSignatureType;
- }
- function getIndexSymbol(symbol) {
- return symbol.members.get("__index" /* Index */);
- }
- function getIndexDeclarationOfSymbol(symbol, kind) {
- var syntaxKind = kind === 1 /* Number */ ? 140 /* NumberKeyword */ : 143 /* StringKeyword */;
- var indexSymbol = getIndexSymbol(symbol);
- if (indexSymbol) {
- for (var _i = 0, _a = indexSymbol.declarations; _i < _a.length; _i++) {
- var decl = _a[_i];
- var node = ts.cast(decl, ts.isIndexSignatureDeclaration);
- if (node.parameters.length === 1) {
- var parameter = node.parameters[0];
- if (parameter.type && parameter.type.kind === syntaxKind) {
- return node;
- }
- }
- }
- }
- return undefined;
- }
- function createIndexInfo(type, isReadonly, declaration) {
- return { type: type, isReadonly: isReadonly, declaration: declaration };
- }
- function getIndexInfoOfSymbol(symbol, kind) {
- var declaration = getIndexDeclarationOfSymbol(symbol, kind);
- if (declaration) {
- return createIndexInfo(declaration.type ? getTypeFromTypeNode(declaration.type) : anyType, ts.hasModifier(declaration, 64 /* Readonly */), declaration);
- }
- return undefined;
- }
- function getConstraintDeclaration(type) {
- return ts.mapDefined(ts.filter(type.symbol && type.symbol.declarations, ts.isTypeParameterDeclaration), ts.getEffectiveConstraintOfTypeParameter)[0];
- }
- function getInferredTypeParameterConstraint(typeParameter) {
- var inferences;
- if (typeParameter.symbol) {
- for (var _i = 0, _a = typeParameter.symbol.declarations; _i < _a.length; _i++) {
- var declaration = _a[_i];
- if (declaration.parent.kind === 181 /* InferType */) {
- // When an 'infer T' declaration is immediately contained in a type reference node
- // (such as 'Foo<infer T>'), T's constraint is inferred from the constraint of the
- // corresponding type parameter in 'Foo'. When multiple 'infer T' declarations are
- // present, we form an intersection of the inferred constraint types.
- var grandParent = declaration.parent.parent;
- if (grandParent.kind === 169 /* TypeReference */) {
- var typeReference = grandParent;
- var typeParameters = getTypeParametersForTypeReference(typeReference);
- if (typeParameters) {
- var index = typeReference.typeArguments.indexOf(declaration.parent);
- if (index < typeParameters.length) {
- var declaredConstraint = getConstraintOfTypeParameter(typeParameters[index]);
- if (declaredConstraint) {
- // Type parameter constraints can reference other type parameters so
- // constraints need to be instantiated. If instantiation produces the
- // type parameter itself, we discard that inference. For example, in
- // type Foo<T extends string, U extends T> = [T, U];
- // type Bar<T> = T extends Foo<infer X, infer X> ? Foo<X, X> : T;
- // the instantiated constraint for U is X, so we discard that inference.
- var mapper = createTypeMapper(typeParameters, getEffectiveTypeArguments(typeReference, typeParameters));
- var constraint = instantiateType(declaredConstraint, mapper);
- if (constraint !== typeParameter) {
- inferences = ts.append(inferences, constraint);
- }
- }
- }
- }
- }
- // When an 'infer T' declaration is immediately contained in a rest parameter
- // declaration, we infer an 'unknown[]' constraint.
- else if (grandParent.kind === 156 /* Parameter */ && grandParent.dotDotDotToken) {
- inferences = ts.append(inferences, createArrayType(unknownType));
- }
- }
- }
- }
- return inferences && getIntersectionType(inferences);
- }
- /** This is a worker function. Use getConstraintOfTypeParameter which guards against circular constraints. */
- function getConstraintFromTypeParameter(typeParameter) {
- if (!typeParameter.constraint) {
- if (typeParameter.target) {
- var targetConstraint = getConstraintOfTypeParameter(typeParameter.target);
- typeParameter.constraint = targetConstraint ? instantiateType(targetConstraint, typeParameter.mapper) : noConstraintType;
- }
- else {
- var constraintDeclaration = getConstraintDeclaration(typeParameter);
- if (!constraintDeclaration) {
- typeParameter.constraint = getInferredTypeParameterConstraint(typeParameter) || noConstraintType;
- }
- else {
- var type = getTypeFromTypeNode(constraintDeclaration);
- if (type.flags & 1 /* Any */ && type !== errorType) { // Allow errorType to propegate to keep downstream errors suppressed
- // use keyofConstraintType as the base constraint for mapped type key constraints (unknown isn;t assignable to that, but `any` was),
- // use unknown otherwise
- type = constraintDeclaration.parent.parent.kind === 186 /* MappedType */ ? keyofConstraintType : unknownType;
- }
- typeParameter.constraint = type;
- }
- }
- }
- return typeParameter.constraint === noConstraintType ? undefined : typeParameter.constraint;
- }
- function getParentSymbolOfTypeParameter(typeParameter) {
- var tp = ts.getDeclarationOfKind(typeParameter.symbol, 155 /* TypeParameter */);
- var host = ts.isJSDocTemplateTag(tp.parent) ? ts.getHostSignatureFromJSDoc(tp.parent) : tp.parent;
- return host && getSymbolOfNode(host);
- }
- function getTypeListId(types) {
- var result = "";
- if (types) {
- var length_4 = types.length;
- var i = 0;
- while (i < length_4) {
- var startId = types[i].id;
- var count = 1;
- while (i + count < length_4 && types[i + count].id === startId + count) {
- count++;
- }
- if (result.length) {
- result += ",";
- }
- result += startId;
- if (count > 1) {
- result += ":" + count;
- }
- i += count;
- }
- }
- return result;
- }
- // This function is used to propagate certain flags when creating new object type references and union types.
- // It is only necessary to do so if a constituent type might be the undefined type, the null type, the type
- // of an object literal or the anyFunctionType. This is because there are operations in the type checker
- // that care about the presence of such types at arbitrary depth in a containing type.
- function getPropagatingFlagsOfTypes(types, excludeKinds) {
- var result = 0;
- for (var _i = 0, types_8 = types; _i < types_8.length; _i++) {
- var type = types_8[_i];
- if (!(type.flags & excludeKinds)) {
- result |= ts.getObjectFlags(type);
- }
- }
- return result & 3670016 /* PropagatingFlags */;
- }
- function createTypeReference(target, typeArguments) {
- var id = getTypeListId(typeArguments);
- var type = target.instantiations.get(id);
- if (!type) {
- type = createObjectType(4 /* Reference */, target.symbol);
- target.instantiations.set(id, type);
- type.objectFlags |= typeArguments ? getPropagatingFlagsOfTypes(typeArguments, /*excludeKinds*/ 0) : 0;
- type.target = target;
- type.resolvedTypeArguments = typeArguments;
- }
- return type;
- }
- function cloneTypeReference(source) {
- var type = createType(source.flags);
- type.symbol = source.symbol;
- type.objectFlags = source.objectFlags;
- type.target = source.target;
- type.resolvedTypeArguments = source.resolvedTypeArguments;
- return type;
- }
- function createDeferredTypeReference(target, node, mapper) {
- var aliasSymbol = getAliasSymbolForTypeNode(node);
- var aliasTypeArguments = getTypeArgumentsForAliasSymbol(aliasSymbol);
- var type = createObjectType(4 /* Reference */, target.symbol);
- type.target = target;
- type.node = node;
- type.mapper = mapper;
- type.aliasSymbol = aliasSymbol;
- type.aliasTypeArguments = mapper ? instantiateTypes(aliasTypeArguments, mapper) : aliasTypeArguments;
- return type;
- }
- function getTypeArguments(type) {
- var _a, _b;
- if (!type.resolvedTypeArguments) {
- if (!pushTypeResolution(type, 6 /* ResolvedTypeArguments */)) {
- return ((_a = type.target.localTypeParameters) === null || _a === void 0 ? void 0 : _a.map(function () { return errorType; })) || ts.emptyArray;
- }
- var node = type.node;
- var typeArguments = !node ? ts.emptyArray :
- node.kind === 169 /* TypeReference */ ? ts.concatenate(type.target.outerTypeParameters, getEffectiveTypeArguments(node, type.target.localTypeParameters)) :
- node.kind === 174 /* ArrayType */ ? [getTypeFromTypeNode(node.elementType)] :
- ts.map(node.elementTypes, getTypeFromTypeNode);
- if (popTypeResolution()) {
- type.resolvedTypeArguments = type.mapper ? instantiateTypes(typeArguments, type.mapper) : typeArguments;
- }
- else {
- type.resolvedTypeArguments = ((_b = type.target.localTypeParameters) === null || _b === void 0 ? void 0 : _b.map(function () { return errorType; })) || ts.emptyArray;
- error(type.node || currentNode, type.target.symbol
- ? ts.Diagnostics.Type_arguments_for_0_circularly_reference_themselves
- : ts.Diagnostics.Tuple_type_arguments_circularly_reference_themselves, type.target.symbol && symbolToString(type.target.symbol));
- }
- }
- return type.resolvedTypeArguments;
- }
- function getTypeReferenceArity(type) {
- return ts.length(type.target.typeParameters);
- }
- /**
- * Get type from type-reference that reference to class or interface
- */
- function getTypeFromClassOrInterfaceReference(node, symbol) {
- var type = getDeclaredTypeOfSymbol(getMergedSymbol(symbol));
- var typeParameters = type.localTypeParameters;
- if (typeParameters) {
- var numTypeArguments = ts.length(node.typeArguments);
- var minTypeArgumentCount = getMinTypeArgumentCount(typeParameters);
- var isJs = ts.isInJSFile(node);
- var isJsImplicitAny = !noImplicitAny && isJs;
- if (!isJsImplicitAny && (numTypeArguments < minTypeArgumentCount || numTypeArguments > typeParameters.length)) {
- var missingAugmentsTag = isJs && ts.isExpressionWithTypeArguments(node) && !ts.isJSDocAugmentsTag(node.parent);
- var diag = minTypeArgumentCount === typeParameters.length ?
- missingAugmentsTag ?
- ts.Diagnostics.Expected_0_type_arguments_provide_these_with_an_extends_tag :
- ts.Diagnostics.Generic_type_0_requires_1_type_argument_s :
- missingAugmentsTag ?
- ts.Diagnostics.Expected_0_1_type_arguments_provide_these_with_an_extends_tag :
- ts.Diagnostics.Generic_type_0_requires_between_1_and_2_type_arguments;
- var typeStr = typeToString(type, /*enclosingDeclaration*/ undefined, 2 /* WriteArrayAsGenericType */);
- error(node, diag, typeStr, minTypeArgumentCount, typeParameters.length);
- if (!isJs) {
- // TODO: Adopt same permissive behavior in TS as in JS to reduce follow-on editing experience failures (requires editing fillMissingTypeArguments)
- return errorType;
- }
- }
- if (node.kind === 169 /* TypeReference */ && isDeferredTypeReferenceNode(node, ts.length(node.typeArguments) !== typeParameters.length)) {
- return createDeferredTypeReference(type, node, /*mapper*/ undefined);
- }
- // In a type reference, the outer type parameters of the referenced class or interface are automatically
- // supplied as type arguments and the type reference only specifies arguments for the local type parameters
- // of the class or interface.
- var typeArguments = ts.concatenate(type.outerTypeParameters, fillMissingTypeArguments(typeArgumentsFromTypeReferenceNode(node), typeParameters, minTypeArgumentCount, isJs));
- return createTypeReference(type, typeArguments);
- }
- return checkNoTypeArguments(node, symbol) ? type : errorType;
- }
- function getTypeAliasInstantiation(symbol, typeArguments) {
- var type = getDeclaredTypeOfSymbol(symbol);
- var links = getSymbolLinks(symbol);
- var typeParameters = links.typeParameters;
- var id = getTypeListId(typeArguments);
- var instantiation = links.instantiations.get(id);
- if (!instantiation) {
- links.instantiations.set(id, instantiation = instantiateType(type, createTypeMapper(typeParameters, fillMissingTypeArguments(typeArguments, typeParameters, getMinTypeArgumentCount(typeParameters), ts.isInJSFile(symbol.valueDeclaration)))));
- }
- return instantiation;
- }
- /**
- * Get type from reference to type alias. When a type alias is generic, the declared type of the type alias may include
- * references to the type parameters of the alias. We replace those with the actual type arguments by instantiating the
- * declared type. Instantiations are cached using the type identities of the type arguments as the key.
- */
- function getTypeFromTypeAliasReference(node, symbol) {
- var type = getDeclaredTypeOfSymbol(symbol);
- var typeParameters = getSymbolLinks(symbol).typeParameters;
- if (typeParameters) {
- var numTypeArguments = ts.length(node.typeArguments);
- var minTypeArgumentCount = getMinTypeArgumentCount(typeParameters);
- if (numTypeArguments < minTypeArgumentCount || numTypeArguments > typeParameters.length) {
- error(node, minTypeArgumentCount === typeParameters.length ?
- ts.Diagnostics.Generic_type_0_requires_1_type_argument_s :
- ts.Diagnostics.Generic_type_0_requires_between_1_and_2_type_arguments, symbolToString(symbol), minTypeArgumentCount, typeParameters.length);
- return errorType;
- }
- return getTypeAliasInstantiation(symbol, typeArgumentsFromTypeReferenceNode(node));
- }
- return checkNoTypeArguments(node, symbol) ? type : errorType;
- }
- function getTypeReferenceName(node) {
- switch (node.kind) {
- case 169 /* TypeReference */:
- return node.typeName;
- case 216 /* ExpressionWithTypeArguments */:
- // We only support expressions that are simple qualified names. For other
- // expressions this produces undefined.
- var expr = node.expression;
- if (ts.isEntityNameExpression(expr)) {
- return expr;
- }
- // fall through;
- }
- return undefined;
- }
- function resolveTypeReferenceName(typeReferenceName, meaning, ignoreErrors) {
- if (!typeReferenceName) {
- return unknownSymbol;
- }
- return resolveEntityName(typeReferenceName, meaning, ignoreErrors) || unknownSymbol;
- }
- function getTypeReferenceType(node, symbol) {
- if (symbol === unknownSymbol) {
- return errorType;
- }
- symbol = getExpandoSymbol(symbol) || symbol;
- if (symbol.flags & (32 /* Class */ | 64 /* Interface */)) {
- return getTypeFromClassOrInterfaceReference(node, symbol);
- }
- if (symbol.flags & 524288 /* TypeAlias */) {
- return getTypeFromTypeAliasReference(node, symbol);
- }
- // Get type from reference to named type that cannot be generic (enum or type parameter)
- var res = tryGetDeclaredTypeOfSymbol(symbol);
- if (res) {
- return checkNoTypeArguments(node, symbol) ? getRegularTypeOfLiteralType(res) : errorType;
- }
- if (symbol.flags & 111551 /* Value */ && isJSDocTypeReference(node)) {
- var jsdocType = getTypeFromJSDocValueReference(node, symbol);
- if (jsdocType) {
- return jsdocType;
- }
- else {
- // Resolve the type reference as a Type for the purpose of reporting errors.
- resolveTypeReferenceName(getTypeReferenceName(node), 788968 /* Type */);
- return getTypeOfSymbol(symbol);
- }
- }
- return errorType;
- }
- /**
- * A JSdoc TypeReference may be to a value, but resolve it as a type anyway.
- * Note: If the value is imported from commonjs, it should really be an alias,
- * but this function's special-case code fakes alias resolution as well.
- */
- function getTypeFromJSDocValueReference(node, symbol) {
- var links = getNodeLinks(node);
- if (!links.resolvedJSDocType) {
- var valueType = getTypeOfSymbol(symbol);
- var typeType = valueType;
- if (symbol.valueDeclaration) {
- var decl = ts.getRootDeclaration(symbol.valueDeclaration);
- var isRequireAlias = false;
- if (ts.isVariableDeclaration(decl) && decl.initializer) {
- var expr = decl.initializer;
- // skip past entity names, eg `require("x").a.b.c`
- while (ts.isPropertyAccessExpression(expr)) {
- expr = expr.expression;
- }
- isRequireAlias = ts.isCallExpression(expr) && ts.isRequireCall(expr, /*requireStringLiteralLikeArgument*/ true) && !!valueType.symbol;
- }
- var isImportTypeWithQualifier = node.kind === 188 /* ImportType */ && node.qualifier;
- // valueType might not have a symbol, eg, {import('./b').STRING_LITERAL}
- if (valueType.symbol && (isRequireAlias || isImportTypeWithQualifier)) {
- typeType = getTypeReferenceType(node, valueType.symbol);
- }
- }
- links.resolvedJSDocType = typeType;
- }
- return links.resolvedJSDocType;
- }
- function getSubstitutionType(baseType, substitute) {
- if (substitute.flags & 3 /* AnyOrUnknown */ || substitute === baseType) {
- return baseType;
- }
- var id = getTypeId(baseType) + ">" + getTypeId(substitute);
- var cached = substitutionTypes.get(id);
- if (cached) {
- return cached;
- }
- var result = createType(33554432 /* Substitution */);
- result.baseType = baseType;
- result.substitute = substitute;
- substitutionTypes.set(id, result);
- return result;
- }
- function isUnaryTupleTypeNode(node) {
- return node.kind === 175 /* TupleType */ && node.elementTypes.length === 1;
- }
- function getImpliedConstraint(type, checkNode, extendsNode) {
- return isUnaryTupleTypeNode(checkNode) && isUnaryTupleTypeNode(extendsNode) ? getImpliedConstraint(type, checkNode.elementTypes[0], extendsNode.elementTypes[0]) :
- getActualTypeVariable(getTypeFromTypeNode(checkNode)) === type ? getTypeFromTypeNode(extendsNode) :
- undefined;
- }
- function getConditionalFlowTypeOfType(type, node) {
- var constraints;
- while (node && !ts.isStatement(node) && node.kind !== 303 /* JSDocComment */) {
- var parent = node.parent;
- if (parent.kind === 180 /* ConditionalType */ && node === parent.trueType) {
- var constraint = getImpliedConstraint(type, parent.checkType, parent.extendsType);
- if (constraint) {
- constraints = ts.append(constraints, constraint);
- }
- }
- node = parent;
- }
- return constraints ? getSubstitutionType(type, getIntersectionType(ts.append(constraints, type))) : type;
- }
- function isJSDocTypeReference(node) {
- return !!(node.flags & 4194304 /* JSDoc */) && (node.kind === 169 /* TypeReference */ || node.kind === 188 /* ImportType */);
- }
- function checkNoTypeArguments(node, symbol) {
- if (node.typeArguments) {
- error(node, ts.Diagnostics.Type_0_is_not_generic, symbol ? symbolToString(symbol) : node.typeName ? ts.declarationNameToString(node.typeName) : anon);
- return false;
- }
- return true;
- }
- function getIntendedTypeFromJSDocTypeReference(node) {
- if (ts.isIdentifier(node.typeName)) {
- var typeArgs = node.typeArguments;
- switch (node.typeName.escapedText) {
- case "String":
- checkNoTypeArguments(node);
- return stringType;
- case "Number":
- checkNoTypeArguments(node);
- return numberType;
- case "Boolean":
- checkNoTypeArguments(node);
- return booleanType;
- case "Void":
- checkNoTypeArguments(node);
- return voidType;
- case "Undefined":
- checkNoTypeArguments(node);
- return undefinedType;
- case "Null":
- checkNoTypeArguments(node);
- return nullType;
- case "Function":
- case "function":
- checkNoTypeArguments(node);
- return globalFunctionType;
- case "array":
- return (!typeArgs || !typeArgs.length) && !noImplicitAny ? anyArrayType : undefined;
- case "promise":
- return (!typeArgs || !typeArgs.length) && !noImplicitAny ? createPromiseType(anyType) : undefined;
- case "Object":
- if (typeArgs && typeArgs.length === 2) {
- if (ts.isJSDocIndexSignature(node)) {
- var indexed = getTypeFromTypeNode(typeArgs[0]);
- var target = getTypeFromTypeNode(typeArgs[1]);
- var index = createIndexInfo(target, /*isReadonly*/ false);
- return createAnonymousType(undefined, emptySymbols, ts.emptyArray, ts.emptyArray, indexed === stringType ? index : undefined, indexed === numberType ? index : undefined);
- }
- return anyType;
- }
- checkNoTypeArguments(node);
- return !noImplicitAny ? anyType : undefined;
- }
- }
- }
- function getTypeFromJSDocNullableTypeNode(node) {
- var type = getTypeFromTypeNode(node.type);
- return strictNullChecks ? getNullableType(type, 65536 /* Null */) : type;
- }
- function getTypeFromTypeReference(node) {
- var links = getNodeLinks(node);
- if (!links.resolvedType) {
- // handle LS queries on the `const` in `x as const` by resolving to the type of `x`
- if (ts.isConstTypeReference(node) && ts.isAssertionExpression(node.parent)) {
- links.resolvedSymbol = unknownSymbol;
- return links.resolvedType = checkExpressionCached(node.parent.expression);
- }
- var symbol = void 0;
- var type = void 0;
- var meaning = 788968 /* Type */;
- if (isJSDocTypeReference(node)) {
- type = getIntendedTypeFromJSDocTypeReference(node);
- if (!type) {
- symbol = resolveTypeReferenceName(getTypeReferenceName(node), meaning, /*ignoreErrors*/ true);
- if (symbol === unknownSymbol) {
- symbol = resolveTypeReferenceName(getTypeReferenceName(node), meaning | 111551 /* Value */);
- }
- else {
- resolveTypeReferenceName(getTypeReferenceName(node), meaning); // Resolve again to mark errors, if any
- }
- type = getTypeReferenceType(node, symbol);
- }
- }
- if (!type) {
- symbol = resolveTypeReferenceName(getTypeReferenceName(node), meaning);
- type = getTypeReferenceType(node, symbol);
- }
- // Cache both the resolved symbol and the resolved type. The resolved symbol is needed when we check the
- // type reference in checkTypeReferenceNode.
- links.resolvedSymbol = symbol;
- links.resolvedType = type;
- }
- return links.resolvedType;
- }
- function typeArgumentsFromTypeReferenceNode(node) {
- return ts.map(node.typeArguments, getTypeFromTypeNode);
- }
- function getTypeFromTypeQueryNode(node) {
- var links = getNodeLinks(node);
- if (!links.resolvedType) {
- // TypeScript 1.0 spec (April 2014): 3.6.3
- // The expression is processed as an identifier expression (section 4.3)
- // or property access expression(section 4.10),
- // the widened type(section 3.9) of which becomes the result.
- links.resolvedType = getRegularTypeOfLiteralType(getWidenedType(checkExpression(node.exprName)));
- }
- return links.resolvedType;
- }
- function getTypeOfGlobalSymbol(symbol, arity) {
- function getTypeDeclaration(symbol) {
- var declarations = symbol.declarations;
- for (var _i = 0, declarations_3 = declarations; _i < declarations_3.length; _i++) {
- var declaration = declarations_3[_i];
- switch (declaration.kind) {
- case 245 /* ClassDeclaration */:
- case 246 /* InterfaceDeclaration */:
- case 248 /* EnumDeclaration */:
- return declaration;
- }
- }
- }
- if (!symbol) {
- return arity ? emptyGenericType : emptyObjectType;
- }
- var type = getDeclaredTypeOfSymbol(symbol);
- if (!(type.flags & 524288 /* Object */)) {
- error(getTypeDeclaration(symbol), ts.Diagnostics.Global_type_0_must_be_a_class_or_interface_type, ts.symbolName(symbol));
- return arity ? emptyGenericType : emptyObjectType;
- }
- if (ts.length(type.typeParameters) !== arity) {
- error(getTypeDeclaration(symbol), ts.Diagnostics.Global_type_0_must_have_1_type_parameter_s, ts.symbolName(symbol), arity);
- return arity ? emptyGenericType : emptyObjectType;
- }
- return type;
- }
- function getGlobalValueSymbol(name, reportErrors) {
- return getGlobalSymbol(name, 111551 /* Value */, reportErrors ? ts.Diagnostics.Cannot_find_global_value_0 : undefined);
- }
- function getGlobalTypeSymbol(name, reportErrors) {
- return getGlobalSymbol(name, 788968 /* Type */, reportErrors ? ts.Diagnostics.Cannot_find_global_type_0 : undefined);
- }
- function getGlobalSymbol(name, meaning, diagnostic) {
- // Don't track references for global symbols anyway, so value if `isReference` is arbitrary
- return resolveName(undefined, name, meaning, diagnostic, name, /*isUse*/ false);
- }
- function getGlobalType(name, arity, reportErrors) {
- var symbol = getGlobalTypeSymbol(name, reportErrors);
- return symbol || reportErrors ? getTypeOfGlobalSymbol(symbol, arity) : undefined;
- }
- function getGlobalTypedPropertyDescriptorType() {
- return deferredGlobalTypedPropertyDescriptorType || (deferredGlobalTypedPropertyDescriptorType = getGlobalType("TypedPropertyDescriptor", /*arity*/ 1, /*reportErrors*/ true)) || emptyGenericType;
- }
- function getGlobalTemplateStringsArrayType() {
- return deferredGlobalTemplateStringsArrayType || (deferredGlobalTemplateStringsArrayType = getGlobalType("TemplateStringsArray", /*arity*/ 0, /*reportErrors*/ true)) || emptyObjectType;
- }
- function getGlobalImportMetaType() {
- return deferredGlobalImportMetaType || (deferredGlobalImportMetaType = getGlobalType("ImportMeta", /*arity*/ 0, /*reportErrors*/ true)) || emptyObjectType;
- }
- function getGlobalESSymbolConstructorSymbol(reportErrors) {
- return deferredGlobalESSymbolConstructorSymbol || (deferredGlobalESSymbolConstructorSymbol = getGlobalValueSymbol("Symbol", reportErrors));
- }
- function getGlobalESSymbolType(reportErrors) {
- return deferredGlobalESSymbolType || (deferredGlobalESSymbolType = getGlobalType("Symbol", /*arity*/ 0, reportErrors)) || emptyObjectType;
- }
- function getGlobalPromiseType(reportErrors) {
- return deferredGlobalPromiseType || (deferredGlobalPromiseType = getGlobalType("Promise", /*arity*/ 1, reportErrors)) || emptyGenericType;
- }
- function getGlobalPromiseLikeType(reportErrors) {
- return deferredGlobalPromiseLikeType || (deferredGlobalPromiseLikeType = getGlobalType("PromiseLike", /*arity*/ 1, reportErrors)) || emptyGenericType;
- }
- function getGlobalPromiseConstructorSymbol(reportErrors) {
- return deferredGlobalPromiseConstructorSymbol || (deferredGlobalPromiseConstructorSymbol = getGlobalValueSymbol("Promise", reportErrors));
- }
- function getGlobalPromiseConstructorLikeType(reportErrors) {
- return deferredGlobalPromiseConstructorLikeType || (deferredGlobalPromiseConstructorLikeType = getGlobalType("PromiseConstructorLike", /*arity*/ 0, reportErrors)) || emptyObjectType;
- }
- function getGlobalAsyncIterableType(reportErrors) {
- return deferredGlobalAsyncIterableType || (deferredGlobalAsyncIterableType = getGlobalType("AsyncIterable", /*arity*/ 1, reportErrors)) || emptyGenericType;
- }
- function getGlobalAsyncIteratorType(reportErrors) {
- return deferredGlobalAsyncIteratorType || (deferredGlobalAsyncIteratorType = getGlobalType("AsyncIterator", /*arity*/ 3, reportErrors)) || emptyGenericType;
- }
- function getGlobalAsyncIterableIteratorType(reportErrors) {
- return deferredGlobalAsyncIterableIteratorType || (deferredGlobalAsyncIterableIteratorType = getGlobalType("AsyncIterableIterator", /*arity*/ 1, reportErrors)) || emptyGenericType;
- }
- function getGlobalAsyncGeneratorType(reportErrors) {
- return deferredGlobalAsyncGeneratorType || (deferredGlobalAsyncGeneratorType = getGlobalType("AsyncGenerator", /*arity*/ 3, reportErrors)) || emptyGenericType;
- }
- function getGlobalIterableType(reportErrors) {
- return deferredGlobalIterableType || (deferredGlobalIterableType = getGlobalType("Iterable", /*arity*/ 1, reportErrors)) || emptyGenericType;
- }
- function getGlobalIteratorType(reportErrors) {
- return deferredGlobalIteratorType || (deferredGlobalIteratorType = getGlobalType("Iterator", /*arity*/ 3, reportErrors)) || emptyGenericType;
- }
- function getGlobalIterableIteratorType(reportErrors) {
- return deferredGlobalIterableIteratorType || (deferredGlobalIterableIteratorType = getGlobalType("IterableIterator", /*arity*/ 1, reportErrors)) || emptyGenericType;
- }
- function getGlobalGeneratorType(reportErrors) {
- return deferredGlobalGeneratorType || (deferredGlobalGeneratorType = getGlobalType("Generator", /*arity*/ 3, reportErrors)) || emptyGenericType;
- }
- function getGlobalIteratorYieldResultType(reportErrors) {
- return deferredGlobalIteratorYieldResultType || (deferredGlobalIteratorYieldResultType = getGlobalType("IteratorYieldResult", /*arity*/ 1, reportErrors)) || emptyGenericType;
- }
- function getGlobalIteratorReturnResultType(reportErrors) {
- return deferredGlobalIteratorReturnResultType || (deferredGlobalIteratorReturnResultType = getGlobalType("IteratorReturnResult", /*arity*/ 1, reportErrors)) || emptyGenericType;
- }
- function getGlobalTypeOrUndefined(name, arity) {
- if (arity === void 0) { arity = 0; }
- var symbol = getGlobalSymbol(name, 788968 /* Type */, /*diagnostic*/ undefined);
- return symbol && getTypeOfGlobalSymbol(symbol, arity);
- }
- function getGlobalExtractSymbol() {
- return deferredGlobalExtractSymbol || (deferredGlobalExtractSymbol = getGlobalSymbol("Extract", 524288 /* TypeAlias */, ts.Diagnostics.Cannot_find_global_type_0)); // TODO: GH#18217
- }
- function getGlobalOmitSymbol() {
- return deferredGlobalOmitSymbol || (deferredGlobalOmitSymbol = getGlobalSymbol("Omit", 524288 /* TypeAlias */, ts.Diagnostics.Cannot_find_global_type_0)); // TODO: GH#18217
- }
- function getGlobalBigIntType(reportErrors) {
- return deferredGlobalBigIntType || (deferredGlobalBigIntType = getGlobalType("BigInt", /*arity*/ 0, reportErrors)) || emptyObjectType;
- }
- /**
- * Instantiates a global type that is generic with some element type, and returns that instantiation.
- */
- function createTypeFromGenericGlobalType(genericGlobalType, typeArguments) {
- return genericGlobalType !== emptyGenericType ? createTypeReference(genericGlobalType, typeArguments) : emptyObjectType;
- }
- function createTypedPropertyDescriptorType(propertyType) {
- return createTypeFromGenericGlobalType(getGlobalTypedPropertyDescriptorType(), [propertyType]);
- }
- function createIterableType(iteratedType) {
- return createTypeFromGenericGlobalType(getGlobalIterableType(/*reportErrors*/ true), [iteratedType]);
- }
- function createArrayType(elementType, readonly) {
- return createTypeFromGenericGlobalType(readonly ? globalReadonlyArrayType : globalArrayType, [elementType]);
- }
- function getArrayOrTupleTargetType(node) {
- var readonly = isReadonlyTypeOperator(node.parent);
- if (node.kind === 174 /* ArrayType */ || node.elementTypes.length === 1 && node.elementTypes[0].kind === 177 /* RestType */) {
- return readonly ? globalReadonlyArrayType : globalArrayType;
- }
- var lastElement = ts.lastOrUndefined(node.elementTypes);
- var restElement = lastElement && lastElement.kind === 177 /* RestType */ ? lastElement : undefined;
- var minLength = ts.findLastIndex(node.elementTypes, function (n) { return n.kind !== 176 /* OptionalType */ && n !== restElement; }) + 1;
- return getTupleTypeOfArity(node.elementTypes.length, minLength, !!restElement, readonly, /*associatedNames*/ undefined);
- }
- // Return true if the given type reference node is directly aliased or if it needs to be deferred
- // because it is possibly contained in a circular chain of eagerly resolved types.
- function isDeferredTypeReferenceNode(node, hasDefaultTypeArguments) {
- return !!getAliasSymbolForTypeNode(node) || isResolvedByTypeAlias(node) && (node.kind === 174 /* ArrayType */ ? mayResolveTypeAlias(node.elementType) :
- node.kind === 175 /* TupleType */ ? ts.some(node.elementTypes, mayResolveTypeAlias) :
- hasDefaultTypeArguments || ts.some(node.typeArguments, mayResolveTypeAlias));
- }
- // Return true when the given node is transitively contained in type constructs that eagerly
- // resolve their constituent types. We include SyntaxKind.TypeReference because type arguments
- // of type aliases are eagerly resolved.
- function isResolvedByTypeAlias(node) {
- var parent = node.parent;
- switch (parent.kind) {
- case 182 /* ParenthesizedType */:
- case 169 /* TypeReference */:
- case 178 /* UnionType */:
- case 179 /* IntersectionType */:
- case 185 /* IndexedAccessType */:
- case 180 /* ConditionalType */:
- case 184 /* TypeOperator */:
- case 174 /* ArrayType */:
- case 175 /* TupleType */:
- return isResolvedByTypeAlias(parent);
- case 247 /* TypeAliasDeclaration */:
- return true;
- }
- return false;
- }
- // Return true if resolving the given node (i.e. getTypeFromTypeNode) possibly causes resolution
- // of a type alias.
- function mayResolveTypeAlias(node) {
- switch (node.kind) {
- case 169 /* TypeReference */:
- return isJSDocTypeReference(node) || !!(resolveTypeReferenceName(node.typeName, 788968 /* Type */).flags & 524288 /* TypeAlias */);
- case 172 /* TypeQuery */:
- return true;
- case 184 /* TypeOperator */:
- return node.operator !== 147 /* UniqueKeyword */ && mayResolveTypeAlias(node.type);
- case 182 /* ParenthesizedType */:
- case 176 /* OptionalType */:
- case 299 /* JSDocOptionalType */:
- case 297 /* JSDocNullableType */:
- case 298 /* JSDocNonNullableType */:
- case 294 /* JSDocTypeExpression */:
- return mayResolveTypeAlias(node.type);
- case 177 /* RestType */:
- return node.type.kind !== 174 /* ArrayType */ || mayResolveTypeAlias(node.type.elementType);
- case 178 /* UnionType */:
- case 179 /* IntersectionType */:
- return ts.some(node.types, mayResolveTypeAlias);
- case 185 /* IndexedAccessType */:
- return mayResolveTypeAlias(node.objectType) || mayResolveTypeAlias(node.indexType);
- case 180 /* ConditionalType */:
- return mayResolveTypeAlias(node.checkType) || mayResolveTypeAlias(node.extendsType) ||
- mayResolveTypeAlias(node.trueType) || mayResolveTypeAlias(node.falseType);
- }
- return false;
- }
- function getTypeFromArrayOrTupleTypeNode(node) {
- var links = getNodeLinks(node);
- if (!links.resolvedType) {
- var target = getArrayOrTupleTargetType(node);
- if (target === emptyGenericType) {
- links.resolvedType = emptyObjectType;
- }
- else if (isDeferredTypeReferenceNode(node)) {
- links.resolvedType = node.kind === 175 /* TupleType */ && node.elementTypes.length === 0 ? target :
- createDeferredTypeReference(target, node, /*mapper*/ undefined);
- }
- else {
- var elementTypes = node.kind === 174 /* ArrayType */ ? [getTypeFromTypeNode(node.elementType)] : ts.map(node.elementTypes, getTypeFromTypeNode);
- links.resolvedType = createTypeReference(target, elementTypes);
- }
- }
- return links.resolvedType;
- }
- function isReadonlyTypeOperator(node) {
- return ts.isTypeOperatorNode(node) && node.operator === 138 /* ReadonlyKeyword */;
- }
- // We represent tuple types as type references to synthesized generic interface types created by
- // this function. The types are of the form:
- //
- // interface Tuple<T0, T1, T2, ...> extends Array<T0 | T1 | T2 | ...> { 0: T0, 1: T1, 2: T2, ... }
- //
- // Note that the generic type created by this function has no symbol associated with it. The same
- // is true for each of the synthesized type parameters.
- function createTupleTypeOfArity(arity, minLength, hasRestElement, readonly, associatedNames) {
- var typeParameters;
- var properties = [];
- var maxLength = hasRestElement ? arity - 1 : arity;
- if (arity) {
- typeParameters = new Array(arity);
- for (var i = 0; i < arity; i++) {
- var typeParameter = typeParameters[i] = createTypeParameter();
- if (i < maxLength) {
- var property = createSymbol(4 /* Property */ | (i >= minLength ? 16777216 /* Optional */ : 0), "" + i, readonly ? 8 /* Readonly */ : 0);
- property.type = typeParameter;
- properties.push(property);
- }
- }
- }
- var literalTypes = [];
- for (var i = minLength; i <= maxLength; i++)
- literalTypes.push(getLiteralType(i));
- var lengthSymbol = createSymbol(4 /* Property */, "length");
- lengthSymbol.type = hasRestElement ? numberType : getUnionType(literalTypes);
- properties.push(lengthSymbol);
- var type = createObjectType(8 /* Tuple */ | 4 /* Reference */);
- type.typeParameters = typeParameters;
- type.outerTypeParameters = undefined;
- type.localTypeParameters = typeParameters;
- type.instantiations = ts.createMap();
- type.instantiations.set(getTypeListId(type.typeParameters), type);
- type.target = type;
- type.resolvedTypeArguments = type.typeParameters;
- type.thisType = createTypeParameter();
- type.thisType.isThisType = true;
- type.thisType.constraint = type;
- type.declaredProperties = properties;
- type.declaredCallSignatures = ts.emptyArray;
- type.declaredConstructSignatures = ts.emptyArray;
- type.declaredStringIndexInfo = undefined;
- type.declaredNumberIndexInfo = undefined;
- type.minLength = minLength;
- type.hasRestElement = hasRestElement;
- type.readonly = readonly;
- type.associatedNames = associatedNames;
- return type;
- }
- function getTupleTypeOfArity(arity, minLength, hasRestElement, readonly, associatedNames) {
- var key = arity + (hasRestElement ? "+" : ",") + minLength + (readonly ? "R" : "") + (associatedNames && associatedNames.length ? "," + associatedNames.join(",") : "");
- var type = tupleTypes.get(key);
- if (!type) {
- tupleTypes.set(key, type = createTupleTypeOfArity(arity, minLength, hasRestElement, readonly, associatedNames));
- }
- return type;
- }
- function createTupleType(elementTypes, minLength, hasRestElement, readonly, associatedNames) {
- if (minLength === void 0) { minLength = elementTypes.length; }
- if (hasRestElement === void 0) { hasRestElement = false; }
- if (readonly === void 0) { readonly = false; }
- var arity = elementTypes.length;
- if (arity === 1 && hasRestElement) {
- return createArrayType(elementTypes[0], readonly);
- }
- var tupleType = getTupleTypeOfArity(arity, minLength, arity > 0 && hasRestElement, readonly, associatedNames);
- return elementTypes.length ? createTypeReference(tupleType, elementTypes) : tupleType;
- }
- function sliceTupleType(type, index) {
- var tuple = type.target;
- if (tuple.hasRestElement) {
- // don't slice off rest element
- index = Math.min(index, getTypeReferenceArity(type) - 1);
- }
- return createTupleType(getTypeArguments(type).slice(index), Math.max(0, tuple.minLength - index), tuple.hasRestElement, tuple.readonly, tuple.associatedNames && tuple.associatedNames.slice(index));
- }
- function getTypeFromOptionalTypeNode(node) {
- var type = getTypeFromTypeNode(node.type);
- return strictNullChecks ? getOptionalType(type) : type;
- }
- function getTypeId(type) {
- return type.id;
- }
- function containsType(types, type) {
- return ts.binarySearch(types, type, getTypeId, ts.compareValues) >= 0;
- }
- function insertType(types, type) {
- var index = ts.binarySearch(types, type, getTypeId, ts.compareValues);
- if (index < 0) {
- types.splice(~index, 0, type);
- return true;
- }
- return false;
- }
- function addTypeToUnion(typeSet, includes, type) {
- var flags = type.flags;
- if (flags & 1048576 /* Union */) {
- return addTypesToUnion(typeSet, includes, type.types);
- }
- // We ignore 'never' types in unions
- if (!(flags & 131072 /* Never */)) {
- includes |= flags & 71041023 /* IncludesMask */;
- if (flags & 66846720 /* StructuredOrInstantiable */)
- includes |= 262144 /* IncludesStructuredOrInstantiable */;
- if (type === wildcardType)
- includes |= 8388608 /* IncludesWildcard */;
- if (!strictNullChecks && flags & 98304 /* Nullable */) {
- if (!(ts.getObjectFlags(type) & 524288 /* ContainsWideningType */))
- includes |= 4194304 /* IncludesNonWideningType */;
- }
- else {
- var len = typeSet.length;
- var index = len && type.id > typeSet[len - 1].id ? ~len : ts.binarySearch(typeSet, type, getTypeId, ts.compareValues);
- if (index < 0) {
- typeSet.splice(~index, 0, type);
- }
- }
- }
- return includes;
- }
- // Add the given types to the given type set. Order is preserved, duplicates are removed,
- // and nested types of the given kind are flattened into the set.
- function addTypesToUnion(typeSet, includes, types) {
- for (var _i = 0, types_9 = types; _i < types_9.length; _i++) {
- var type = types_9[_i];
- includes = addTypeToUnion(typeSet, includes, type);
- }
- return includes;
- }
- function isSetOfLiteralsFromSameEnum(types) {
- var first = types[0];
- if (first.flags & 1024 /* EnumLiteral */) {
- var firstEnum = getParentOfSymbol(first.symbol);
- for (var i = 1; i < types.length; i++) {
- var other = types[i];
- if (!(other.flags & 1024 /* EnumLiteral */) || (firstEnum !== getParentOfSymbol(other.symbol))) {
- return false;
- }
- }
- return true;
- }
- return false;
- }
- function removeSubtypes(types, primitivesOnly) {
- var len = types.length;
- if (len === 0 || isSetOfLiteralsFromSameEnum(types)) {
- return true;
- }
- var i = len;
- var count = 0;
- while (i > 0) {
- i--;
- var source = types[i];
- for (var _i = 0, types_10 = types; _i < types_10.length; _i++) {
- var target = types_10[_i];
- if (source !== target) {
- if (count === 100000) {
- // After 100000 subtype checks we estimate the remaining amount of work by assuming the
- // same ratio of checks per element. If the estimated number of remaining type checks is
- // greater than an upper limit we deem the union type too complex to represent. The
- // upper limit is 25M for unions of primitives only, and 1M otherwise. This for example
- // caps union types at 5000 unique literal types and 1000 unique object types.
- var estimatedCount = (count / (len - i)) * len;
- if (estimatedCount > (primitivesOnly ? 25000000 : 1000000)) {
- error(currentNode, ts.Diagnostics.Expression_produces_a_union_type_that_is_too_complex_to_represent);
- return false;
- }
- }
- count++;
- if (isTypeRelatedTo(source, target, strictSubtypeRelation) && (!(ts.getObjectFlags(getTargetType(source)) & 1 /* Class */) ||
- !(ts.getObjectFlags(getTargetType(target)) & 1 /* Class */) ||
- isTypeDerivedFrom(source, target))) {
- ts.orderedRemoveItemAt(types, i);
- break;
- }
- }
- }
- }
- return true;
- }
- function removeRedundantLiteralTypes(types, includes) {
- var i = types.length;
- while (i > 0) {
- i--;
- var t = types[i];
- var remove = t.flags & 128 /* StringLiteral */ && includes & 4 /* String */ ||
- t.flags & 256 /* NumberLiteral */ && includes & 8 /* Number */ ||
- t.flags & 2048 /* BigIntLiteral */ && includes & 64 /* BigInt */ ||
- t.flags & 8192 /* UniqueESSymbol */ && includes & 4096 /* ESSymbol */ ||
- isFreshLiteralType(t) && containsType(types, t.regularType);
- if (remove) {
- ts.orderedRemoveItemAt(types, i);
- }
- }
- }
- // We sort and deduplicate the constituent types based on object identity. If the subtypeReduction
- // flag is specified we also reduce the constituent type set to only include types that aren't subtypes
- // of other types. Subtype reduction is expensive for large union types and is possible only when union
- // types are known not to circularly reference themselves (as is the case with union types created by
- // expression constructs such as array literals and the || and ?: operators). Named types can
- // circularly reference themselves and therefore cannot be subtype reduced during their declaration.
- // For example, "type Item = string | (() => Item" is a named type that circularly references itself.
- function getUnionType(types, unionReduction, aliasSymbol, aliasTypeArguments) {
- if (unionReduction === void 0) { unionReduction = 1 /* Literal */; }
- if (types.length === 0) {
- return neverType;
- }
- if (types.length === 1) {
- return types[0];
- }
- var typeSet = [];
- var includes = addTypesToUnion(typeSet, 0, types);
- if (unionReduction !== 0 /* None */) {
- if (includes & 3 /* AnyOrUnknown */) {
- return includes & 1 /* Any */ ? includes & 8388608 /* IncludesWildcard */ ? wildcardType : anyType : unknownType;
- }
- switch (unionReduction) {
- case 1 /* Literal */:
- if (includes & (2944 /* Literal */ | 8192 /* UniqueESSymbol */)) {
- removeRedundantLiteralTypes(typeSet, includes);
- }
- break;
- case 2 /* Subtype */:
- if (!removeSubtypes(typeSet, !(includes & 262144 /* IncludesStructuredOrInstantiable */))) {
- return errorType;
- }
- break;
- }
- if (typeSet.length === 0) {
- return includes & 65536 /* Null */ ? includes & 4194304 /* IncludesNonWideningType */ ? nullType : nullWideningType :
- includes & 32768 /* Undefined */ ? includes & 4194304 /* IncludesNonWideningType */ ? undefinedType : undefinedWideningType :
- neverType;
- }
- }
- var objectFlags = (includes & 66994211 /* NotPrimitiveUnion */ ? 0 : 262144 /* PrimitiveUnion */) |
- (includes & 2097152 /* Intersection */ ? 268435456 /* ContainsIntersections */ : 0);
- return getUnionTypeFromSortedList(typeSet, objectFlags, aliasSymbol, aliasTypeArguments);
- }
- function getUnionTypePredicate(signatures) {
- var first;
- var types = [];
- for (var _i = 0, signatures_6 = signatures; _i < signatures_6.length; _i++) {
- var sig = signatures_6[_i];
- var pred = getTypePredicateOfSignature(sig);
- if (!pred || pred.kind === 2 /* AssertsThis */ || pred.kind === 3 /* AssertsIdentifier */) {
- continue;
- }
- if (first) {
- if (!typePredicateKindsMatch(first, pred)) {
- // No common type predicate.
- return undefined;
- }
- }
- else {
- first = pred;
- }
- types.push(pred.type);
- }
- if (!first) {
- // No union signatures had a type predicate.
- return undefined;
- }
- var unionType = getUnionType(types);
- return createTypePredicate(first.kind, first.parameterName, first.parameterIndex, unionType);
- }
- function typePredicateKindsMatch(a, b) {
- return a.kind === b.kind && a.parameterIndex === b.parameterIndex;
- }
- // This function assumes the constituent type list is sorted and deduplicated.
- function getUnionTypeFromSortedList(types, objectFlags, aliasSymbol, aliasTypeArguments) {
- if (types.length === 0) {
- return neverType;
- }
- if (types.length === 1) {
- return types[0];
- }
- var id = getTypeListId(types);
- var type = unionTypes.get(id);
- if (!type) {
- type = createType(1048576 /* Union */);
- unionTypes.set(id, type);
- type.objectFlags = objectFlags | getPropagatingFlagsOfTypes(types, /*excludeKinds*/ 98304 /* Nullable */);
- type.types = types;
- /*
- Note: This is the alias symbol (or lack thereof) that we see when we first encounter this union type.
- For aliases of identical unions, eg `type T = A | B; type U = A | B`, the symbol of the first alias encountered is the aliasSymbol.
- (In the language service, the order may depend on the order in which a user takes actions, such as hovering over symbols.)
- It's important that we create equivalent union types only once, so that's an unfortunate side effect.
- */
- type.aliasSymbol = aliasSymbol;
- type.aliasTypeArguments = aliasTypeArguments;
- }
- return type;
- }
- function getTypeFromUnionTypeNode(node) {
- var links = getNodeLinks(node);
- if (!links.resolvedType) {
- var aliasSymbol = getAliasSymbolForTypeNode(node);
- links.resolvedType = getUnionType(ts.map(node.types, getTypeFromTypeNode), 1 /* Literal */, aliasSymbol, getTypeArgumentsForAliasSymbol(aliasSymbol));
- }
- return links.resolvedType;
- }
- function addTypeToIntersection(typeSet, includes, type) {
- var flags = type.flags;
- if (flags & 2097152 /* Intersection */) {
- return addTypesToIntersection(typeSet, includes, type.types);
- }
- if (isEmptyAnonymousObjectType(type)) {
- if (!(includes & 16777216 /* IncludesEmptyObject */)) {
- includes |= 16777216 /* IncludesEmptyObject */;
- typeSet.set(type.id.toString(), type);
- }
- }
- else {
- if (flags & 3 /* AnyOrUnknown */) {
- if (type === wildcardType)
- includes |= 8388608 /* IncludesWildcard */;
- }
- else if ((strictNullChecks || !(flags & 98304 /* Nullable */)) && !typeSet.has(type.id.toString())) {
- if (type.flags & 109440 /* Unit */ && includes & 109440 /* Unit */) {
- // We have seen two distinct unit types which means we should reduce to an
- // empty intersection. Adding TypeFlags.NonPrimitive causes that to happen.
- includes |= 67108864 /* NonPrimitive */;
- }
- typeSet.set(type.id.toString(), type);
- }
- includes |= flags & 71041023 /* IncludesMask */;
- }
- return includes;
- }
- // Add the given types to the given type set. Order is preserved, freshness is removed from literal
- // types, duplicates are removed, and nested types of the given kind are flattened into the set.
- function addTypesToIntersection(typeSet, includes, types) {
- for (var _i = 0, types_11 = types; _i < types_11.length; _i++) {
- var type = types_11[_i];
- includes = addTypeToIntersection(typeSet, includes, getRegularTypeOfLiteralType(type));
- }
- return includes;
- }
- function removeRedundantPrimitiveTypes(types, includes) {
- var i = types.length;
- while (i > 0) {
- i--;
- var t = types[i];
- var remove = t.flags & 4 /* String */ && includes & 128 /* StringLiteral */ ||
- t.flags & 8 /* Number */ && includes & 256 /* NumberLiteral */ ||
- t.flags & 64 /* BigInt */ && includes & 2048 /* BigIntLiteral */ ||
- t.flags & 4096 /* ESSymbol */ && includes & 8192 /* UniqueESSymbol */;
- if (remove) {
- ts.orderedRemoveItemAt(types, i);
- }
- }
- }
- // Check that the given type has a match in every union. A given type is matched by
- // an identical type, and a literal type is additionally matched by its corresponding
- // primitive type.
- function eachUnionContains(unionTypes, type) {
- for (var _i = 0, unionTypes_1 = unionTypes; _i < unionTypes_1.length; _i++) {
- var u = unionTypes_1[_i];
- if (!containsType(u.types, type)) {
- var primitive = type.flags & 128 /* StringLiteral */ ? stringType :
- type.flags & 256 /* NumberLiteral */ ? numberType :
- type.flags & 2048 /* BigIntLiteral */ ? bigintType :
- type.flags & 8192 /* UniqueESSymbol */ ? esSymbolType :
- undefined;
- if (!primitive || !containsType(u.types, primitive)) {
- return false;
- }
- }
- }
- return true;
- }
- function extractIrreducible(types, flag) {
- if (ts.every(types, function (t) { return !!(t.flags & 1048576 /* Union */) && ts.some(t.types, function (tt) { return !!(tt.flags & flag); }); })) {
- for (var i = 0; i < types.length; i++) {
- types[i] = filterType(types[i], function (t) { return !(t.flags & flag); });
- }
- return true;
- }
- return false;
- }
- // If the given list of types contains more than one union of primitive types, replace the
- // first with a union containing an intersection of those primitive types, then remove the
- // other unions and return true. Otherwise, do nothing and return false.
- function intersectUnionsOfPrimitiveTypes(types) {
- var unionTypes;
- var index = ts.findIndex(types, function (t) { return !!(ts.getObjectFlags(t) & 262144 /* PrimitiveUnion */); });
- if (index < 0) {
- return false;
- }
- var i = index + 1;
- // Remove all but the first union of primitive types and collect them in
- // the unionTypes array.
- while (i < types.length) {
- var t = types[i];
- if (ts.getObjectFlags(t) & 262144 /* PrimitiveUnion */) {
- (unionTypes || (unionTypes = [types[index]])).push(t);
- ts.orderedRemoveItemAt(types, i);
- }
- else {
- i++;
- }
- }
- // Return false if there was only one union of primitive types
- if (!unionTypes) {
- return false;
- }
- // We have more than one union of primitive types, now intersect them. For each
- // type in each union we check if the type is matched in every union and if so
- // we include it in the result.
- var checked = [];
- var result = [];
- for (var _i = 0, unionTypes_2 = unionTypes; _i < unionTypes_2.length; _i++) {
- var u = unionTypes_2[_i];
- for (var _a = 0, _b = u.types; _a < _b.length; _a++) {
- var t = _b[_a];
- if (insertType(checked, t)) {
- if (eachUnionContains(unionTypes, t)) {
- insertType(result, t);
- }
- }
- }
- }
- // Finally replace the first union with the result
- types[index] = getUnionTypeFromSortedList(result, 262144 /* PrimitiveUnion */);
- return true;
- }
- function createIntersectionType(types, aliasSymbol, aliasTypeArguments) {
- var result = createType(2097152 /* Intersection */);
- result.objectFlags = getPropagatingFlagsOfTypes(types, /*excludeKinds*/ 98304 /* Nullable */);
- result.types = types;
- result.aliasSymbol = aliasSymbol; // See comment in `getUnionTypeFromSortedList`.
- result.aliasTypeArguments = aliasTypeArguments;
- return result;
- }
- // We normalize combinations of intersection and union types based on the distributive property of the '&'
- // operator. Specifically, because X & (A | B) is equivalent to X & A | X & B, we can transform intersection
- // types with union type constituents into equivalent union types with intersection type constituents and
- // effectively ensure that union types are always at the top level in type representations.
- //
- // We do not perform structural deduplication on intersection types. Intersection types are created only by the &
- // type operator and we can't reduce those because we want to support recursive intersection types. For example,
- // a type alias of the form "type List<T> = T & { next: List<T> }" cannot be reduced during its declaration.
- // Also, unlike union types, the order of the constituent types is preserved in order that overload resolution
- // for intersections of types with signatures can be deterministic.
- function getIntersectionType(types, aliasSymbol, aliasTypeArguments) {
- var typeMembershipMap = ts.createMap();
- var includes = addTypesToIntersection(typeMembershipMap, 0, types);
- var typeSet = ts.arrayFrom(typeMembershipMap.values());
- // An intersection type is considered empty if it contains
- // the type never, or
- // more than one unit type or,
- // an object type and a nullable type (null or undefined), or
- // a string-like type and a type known to be non-string-like, or
- // a number-like type and a type known to be non-number-like, or
- // a symbol-like type and a type known to be non-symbol-like, or
- // a void-like type and a type known to be non-void-like, or
- // a non-primitive type and a type known to be primitive.
- if (includes & 131072 /* Never */ ||
- strictNullChecks && includes & 98304 /* Nullable */ && includes & (524288 /* Object */ | 67108864 /* NonPrimitive */ | 16777216 /* IncludesEmptyObject */) ||
- includes & 67108864 /* NonPrimitive */ && includes & (67238908 /* DisjointDomains */ & ~67108864 /* NonPrimitive */) ||
- includes & 132 /* StringLike */ && includes & (67238908 /* DisjointDomains */ & ~132 /* StringLike */) ||
- includes & 296 /* NumberLike */ && includes & (67238908 /* DisjointDomains */ & ~296 /* NumberLike */) ||
- includes & 2112 /* BigIntLike */ && includes & (67238908 /* DisjointDomains */ & ~2112 /* BigIntLike */) ||
- includes & 12288 /* ESSymbolLike */ && includes & (67238908 /* DisjointDomains */ & ~12288 /* ESSymbolLike */) ||
- includes & 49152 /* VoidLike */ && includes & (67238908 /* DisjointDomains */ & ~49152 /* VoidLike */)) {
- return neverType;
- }
- if (includes & 1 /* Any */) {
- return includes & 8388608 /* IncludesWildcard */ ? wildcardType : anyType;
- }
- if (!strictNullChecks && includes & 98304 /* Nullable */) {
- return includes & 32768 /* Undefined */ ? undefinedType : nullType;
- }
- if (includes & 4 /* String */ && includes & 128 /* StringLiteral */ ||
- includes & 8 /* Number */ && includes & 256 /* NumberLiteral */ ||
- includes & 64 /* BigInt */ && includes & 2048 /* BigIntLiteral */ ||
- includes & 4096 /* ESSymbol */ && includes & 8192 /* UniqueESSymbol */) {
- removeRedundantPrimitiveTypes(typeSet, includes);
- }
- if (includes & 16777216 /* IncludesEmptyObject */ && includes & 524288 /* Object */) {
- ts.orderedRemoveItemAt(typeSet, ts.findIndex(typeSet, isEmptyAnonymousObjectType));
- }
- if (typeSet.length === 0) {
- return unknownType;
- }
- if (typeSet.length === 1) {
- return typeSet[0];
- }
- var id = getTypeListId(typeSet);
- var result = intersectionTypes.get(id);
- if (!result) {
- if (includes & 1048576 /* Union */) {
- if (intersectUnionsOfPrimitiveTypes(typeSet)) {
- // When the intersection creates a reduced set (which might mean that *all* union types have
- // disappeared), we restart the operation to get a new set of combined flags. Once we have
- // reduced we'll never reduce again, so this occurs at most once.
- result = getIntersectionType(typeSet, aliasSymbol, aliasTypeArguments);
- }
- else if (extractIrreducible(typeSet, 32768 /* Undefined */)) {
- result = getUnionType([getIntersectionType(typeSet), undefinedType], 1 /* Literal */, aliasSymbol, aliasTypeArguments);
- }
- else if (extractIrreducible(typeSet, 65536 /* Null */)) {
- result = getUnionType([getIntersectionType(typeSet), nullType], 1 /* Literal */, aliasSymbol, aliasTypeArguments);
- }
- else {
- // We are attempting to construct a type of the form X & (A | B) & Y. Transform this into a type of
- // the form X & A & Y | X & B & Y and recursively reduce until no union type constituents remain.
- // If the estimated size of the resulting union type exceeds 100000 constituents, report an error.
- var size = ts.reduceLeft(typeSet, function (n, t) { return n * (t.flags & 1048576 /* Union */ ? t.types.length : 1); }, 1);
- if (size >= 100000) {
- error(currentNode, ts.Diagnostics.Expression_produces_a_union_type_that_is_too_complex_to_represent);
- return errorType;
- }
- var unionIndex_1 = ts.findIndex(typeSet, function (t) { return (t.flags & 1048576 /* Union */) !== 0; });
- var unionType = typeSet[unionIndex_1];
- result = getUnionType(ts.map(unionType.types, function (t) { return getIntersectionType(ts.replaceElement(typeSet, unionIndex_1, t)); }), 1 /* Literal */, aliasSymbol, aliasTypeArguments);
- }
- }
- else {
- result = createIntersectionType(typeSet, aliasSymbol, aliasTypeArguments);
- }
- intersectionTypes.set(id, result);
- }
- return result;
- }
- function getTypeFromIntersectionTypeNode(node) {
- var links = getNodeLinks(node);
- if (!links.resolvedType) {
- var aliasSymbol = getAliasSymbolForTypeNode(node);
- links.resolvedType = getIntersectionType(ts.map(node.types, getTypeFromTypeNode), aliasSymbol, getTypeArgumentsForAliasSymbol(aliasSymbol));
- }
- return links.resolvedType;
- }
- function createIndexType(type, stringsOnly) {
- var result = createType(4194304 /* Index */);
- result.type = type;
- result.stringsOnly = stringsOnly;
- return result;
- }
- function getIndexTypeForGenericType(type, stringsOnly) {
- return stringsOnly ?
- type.resolvedStringIndexType || (type.resolvedStringIndexType = createIndexType(type, /*stringsOnly*/ true)) :
- type.resolvedIndexType || (type.resolvedIndexType = createIndexType(type, /*stringsOnly*/ false));
- }
- function getLiteralTypeFromPropertyName(name) {
- if (ts.isPrivateIdentifier(name)) {
- return neverType;
- }
- return ts.isIdentifier(name) ? getLiteralType(ts.unescapeLeadingUnderscores(name.escapedText)) :
- getRegularTypeOfLiteralType(ts.isComputedPropertyName(name) ? checkComputedPropertyName(name) : checkExpression(name));
- }
- function getBigIntLiteralType(node) {
- return getLiteralType({
- negative: false,
- base10Value: ts.parsePseudoBigInt(node.text)
- });
- }
- function getLiteralTypeFromProperty(prop, include) {
- if (!(ts.getDeclarationModifierFlagsFromSymbol(prop) & 24 /* NonPublicAccessibilityModifier */)) {
- var type = getSymbolLinks(getLateBoundSymbol(prop)).nameType;
- if (!type && !ts.isKnownSymbol(prop)) {
- if (prop.escapedName === "default" /* Default */) {
- type = getLiteralType("default");
- }
- else {
- var name = prop.valueDeclaration && ts.getNameOfDeclaration(prop.valueDeclaration);
- type = name && getLiteralTypeFromPropertyName(name) || getLiteralType(ts.symbolName(prop));
- }
- }
- if (type && type.flags & include) {
- return type;
- }
- }
- return neverType;
- }
- function getLiteralTypeFromProperties(type, include) {
- return getUnionType(ts.map(getPropertiesOfType(type), function (p) { return getLiteralTypeFromProperty(p, include); }));
- }
- function getNonEnumNumberIndexInfo(type) {
- var numberIndexInfo = getIndexInfoOfType(type, 1 /* Number */);
- return numberIndexInfo !== enumNumberIndexInfo ? numberIndexInfo : undefined;
- }
- function getIndexType(type, stringsOnly, noIndexSignatures) {
- if (stringsOnly === void 0) { stringsOnly = keyofStringsOnly; }
- type = getReducedType(type);
- return type.flags & 1048576 /* Union */ ? getIntersectionType(ts.map(type.types, function (t) { return getIndexType(t, stringsOnly, noIndexSignatures); })) :
- type.flags & 2097152 /* Intersection */ ? getUnionType(ts.map(type.types, function (t) { return getIndexType(t, stringsOnly, noIndexSignatures); })) :
- maybeTypeOfKind(type, 58982400 /* InstantiableNonPrimitive */) ? getIndexTypeForGenericType(type, stringsOnly) :
- ts.getObjectFlags(type) & 32 /* Mapped */ ? filterType(getConstraintTypeFromMappedType(type), function (t) { return !(noIndexSignatures && t.flags & (1 /* Any */ | 4 /* String */)); }) :
- type === wildcardType ? wildcardType :
- type.flags & 2 /* Unknown */ ? neverType :
- type.flags & (1 /* Any */ | 131072 /* Never */) ? keyofConstraintType :
- stringsOnly ? !noIndexSignatures && getIndexInfoOfType(type, 0 /* String */) ? stringType : getLiteralTypeFromProperties(type, 128 /* StringLiteral */) :
- !noIndexSignatures && getIndexInfoOfType(type, 0 /* String */) ? getUnionType([stringType, numberType, getLiteralTypeFromProperties(type, 8192 /* UniqueESSymbol */)]) :
- getNonEnumNumberIndexInfo(type) ? getUnionType([numberType, getLiteralTypeFromProperties(type, 128 /* StringLiteral */ | 8192 /* UniqueESSymbol */)]) :
- getLiteralTypeFromProperties(type, 8576 /* StringOrNumberLiteralOrUnique */);
- }
- function getExtractStringType(type) {
- if (keyofStringsOnly) {
- return type;
- }
- var extractTypeAlias = getGlobalExtractSymbol();
- return extractTypeAlias ? getTypeAliasInstantiation(extractTypeAlias, [type, stringType]) : stringType;
- }
- function getIndexTypeOrString(type) {
- var indexType = getExtractStringType(getIndexType(type));
- return indexType.flags & 131072 /* Never */ ? stringType : indexType;
- }
- function getTypeFromTypeOperatorNode(node) {
- var links = getNodeLinks(node);
- if (!links.resolvedType) {
- switch (node.operator) {
- case 134 /* KeyOfKeyword */:
- links.resolvedType = getIndexType(getTypeFromTypeNode(node.type));
- break;
- case 147 /* UniqueKeyword */:
- links.resolvedType = node.type.kind === 144 /* SymbolKeyword */
- ? getESSymbolLikeTypeForNode(ts.walkUpParenthesizedTypes(node.parent))
- : errorType;
- break;
- case 138 /* ReadonlyKeyword */:
- links.resolvedType = getTypeFromTypeNode(node.type);
- break;
- default:
- throw ts.Debug.assertNever(node.operator);
- }
- }
- return links.resolvedType;
- }
- function createIndexedAccessType(objectType, indexType, aliasSymbol, aliasTypeArguments) {
- var type = createType(8388608 /* IndexedAccess */);
- type.objectType = objectType;
- type.indexType = indexType;
- type.aliasSymbol = aliasSymbol;
- type.aliasTypeArguments = aliasTypeArguments;
- return type;
- }
- /**
- * Returns if a type is or consists of a JSLiteral object type
- * In addition to objects which are directly literals,
- * * unions where every element is a jsliteral
- * * intersections where at least one element is a jsliteral
- * * and instantiable types constrained to a jsliteral
- * Should all count as literals and not print errors on access or assignment of possibly existing properties.
- * This mirrors the behavior of the index signature propagation, to which this behaves similarly (but doesn't affect assignability or inference).
- */
- function isJSLiteralType(type) {
- if (noImplicitAny) {
- return false; // Flag is meaningless under `noImplicitAny` mode
- }
- if (ts.getObjectFlags(type) & 16384 /* JSLiteral */) {
- return true;
- }
- if (type.flags & 1048576 /* Union */) {
- return ts.every(type.types, isJSLiteralType);
- }
- if (type.flags & 2097152 /* Intersection */) {
- return ts.some(type.types, isJSLiteralType);
- }
- if (type.flags & 63176704 /* Instantiable */) {
- return isJSLiteralType(getResolvedBaseConstraint(type));
- }
- return false;
- }
- function getPropertyNameFromIndex(indexType, accessNode) {
- var accessExpression = accessNode && accessNode.kind === 195 /* ElementAccessExpression */ ? accessNode : undefined;
- return isTypeUsableAsPropertyName(indexType) ?
- getPropertyNameFromType(indexType) :
- accessExpression && checkThatExpressionIsProperSymbolReference(accessExpression.argumentExpression, indexType, /*reportError*/ false) ?
- ts.getPropertyNameForKnownSymbolName(ts.idText(accessExpression.argumentExpression.name)) :
- accessNode && ts.isPropertyName(accessNode) ?
- // late bound names are handled in the first branch, so here we only need to handle normal names
- ts.getPropertyNameForPropertyNameNode(accessNode) :
- undefined;
- }
- function getPropertyTypeForIndexType(originalObjectType, objectType, indexType, fullIndexType, suppressNoImplicitAnyError, accessNode, accessFlags) {
- var accessExpression = accessNode && accessNode.kind === 195 /* ElementAccessExpression */ ? accessNode : undefined;
- var propName = accessNode && ts.isPrivateIdentifier(accessNode) ? undefined : getPropertyNameFromIndex(indexType, accessNode);
- if (propName !== undefined) {
- var prop = getPropertyOfType(objectType, propName);
- if (prop) {
- if (accessExpression) {
- markPropertyAsReferenced(prop, accessExpression, /*isThisAccess*/ accessExpression.expression.kind === 104 /* ThisKeyword */);
- if (isAssignmentToReadonlyEntity(accessExpression, prop, ts.getAssignmentTargetKind(accessExpression))) {
- error(accessExpression.argumentExpression, ts.Diagnostics.Cannot_assign_to_0_because_it_is_a_read_only_property, symbolToString(prop));
- return undefined;
- }
- if (accessFlags & 4 /* CacheSymbol */) {
- getNodeLinks(accessNode).resolvedSymbol = prop;
- }
- }
- var propType = getTypeOfSymbol(prop);
- return accessExpression && ts.getAssignmentTargetKind(accessExpression) !== 1 /* Definite */ ?
- getFlowTypeOfReference(accessExpression, propType) :
- propType;
- }
- if (everyType(objectType, isTupleType) && isNumericLiteralName(propName) && +propName >= 0) {
- if (accessNode && everyType(objectType, function (t) { return !t.target.hasRestElement; }) && !(accessFlags & 8 /* NoTupleBoundsCheck */)) {
- var indexNode = getIndexNodeForAccessExpression(accessNode);
- if (isTupleType(objectType)) {
- error(indexNode, ts.Diagnostics.Tuple_type_0_of_length_1_has_no_element_at_index_2, typeToString(objectType), getTypeReferenceArity(objectType), ts.unescapeLeadingUnderscores(propName));
- }
- else {
- error(indexNode, ts.Diagnostics.Property_0_does_not_exist_on_type_1, ts.unescapeLeadingUnderscores(propName), typeToString(objectType));
- }
- }
- errorIfWritingToReadonlyIndex(getIndexInfoOfType(objectType, 1 /* Number */));
- return mapType(objectType, function (t) { return getRestTypeOfTupleType(t) || undefinedType; });
- }
- }
- if (!(indexType.flags & 98304 /* Nullable */) && isTypeAssignableToKind(indexType, 132 /* StringLike */ | 296 /* NumberLike */ | 12288 /* ESSymbolLike */)) {
- if (objectType.flags & (1 /* Any */ | 131072 /* Never */)) {
- return objectType;
- }
- var stringIndexInfo = getIndexInfoOfType(objectType, 0 /* String */);
- var indexInfo = isTypeAssignableToKind(indexType, 296 /* NumberLike */) && getIndexInfoOfType(objectType, 1 /* Number */) || stringIndexInfo;
- if (indexInfo) {
- if (accessFlags & 1 /* NoIndexSignatures */ && indexInfo === stringIndexInfo) {
- if (accessExpression) {
- error(accessExpression, ts.Diagnostics.Type_0_cannot_be_used_to_index_type_1, typeToString(indexType), typeToString(originalObjectType));
- }
- return undefined;
- }
- if (accessNode && !isTypeAssignableToKind(indexType, 4 /* String */ | 8 /* Number */)) {
- var indexNode = getIndexNodeForAccessExpression(accessNode);
- error(indexNode, ts.Diagnostics.Type_0_cannot_be_used_as_an_index_type, typeToString(indexType));
- return indexInfo.type;
- }
- errorIfWritingToReadonlyIndex(indexInfo);
- return indexInfo.type;
- }
- if (indexType.flags & 131072 /* Never */) {
- return neverType;
- }
- if (isJSLiteralType(objectType)) {
- return anyType;
- }
- if (accessExpression && !isConstEnumObjectType(objectType)) {
- if (objectType.symbol === globalThisSymbol && propName !== undefined && globalThisSymbol.exports.has(propName) && (globalThisSymbol.exports.get(propName).flags & 418 /* BlockScoped */)) {
- error(accessExpression, ts.Diagnostics.Property_0_does_not_exist_on_type_1, ts.unescapeLeadingUnderscores(propName), typeToString(objectType));
- }
- else if (noImplicitAny && !compilerOptions.suppressImplicitAnyIndexErrors && !suppressNoImplicitAnyError) {
- if (propName !== undefined && typeHasStaticProperty(propName, objectType)) {
- error(accessExpression, ts.Diagnostics.Property_0_is_a_static_member_of_type_1, propName, typeToString(objectType));
- }
- else if (getIndexTypeOfType(objectType, 1 /* Number */)) {
- error(accessExpression.argumentExpression, ts.Diagnostics.Element_implicitly_has_an_any_type_because_index_expression_is_not_of_type_number);
- }
- else {
- var suggestion = void 0;
- if (propName !== undefined && (suggestion = getSuggestionForNonexistentProperty(propName, objectType))) {
- if (suggestion !== undefined) {
- error(accessExpression.argumentExpression, ts.Diagnostics.Property_0_does_not_exist_on_type_1_Did_you_mean_2, propName, typeToString(objectType), suggestion);
- }
- }
- else {
- var suggestion_1 = getSuggestionForNonexistentIndexSignature(objectType, accessExpression, indexType);
- if (suggestion_1 !== undefined) {
- error(accessExpression, ts.Diagnostics.Element_implicitly_has_an_any_type_because_type_0_has_no_index_signature_Did_you_mean_to_call_1, typeToString(objectType), suggestion_1);
- }
- else {
- var errorInfo = void 0;
- if (indexType.flags & 1024 /* EnumLiteral */) {
- errorInfo = ts.chainDiagnosticMessages(/* details */ undefined, ts.Diagnostics.Property_0_does_not_exist_on_type_1, "[" + typeToString(indexType) + "]", typeToString(objectType));
- }
- else if (indexType.flags & 8192 /* UniqueESSymbol */) {
- var symbolName_2 = getFullyQualifiedName(indexType.symbol, accessExpression);
- errorInfo = ts.chainDiagnosticMessages(/* details */ undefined, ts.Diagnostics.Property_0_does_not_exist_on_type_1, "[" + symbolName_2 + "]", typeToString(objectType));
- }
- else if (indexType.flags & 128 /* StringLiteral */) {
- errorInfo = ts.chainDiagnosticMessages(/* details */ undefined, ts.Diagnostics.Property_0_does_not_exist_on_type_1, indexType.value, typeToString(objectType));
- }
- else if (indexType.flags & 256 /* NumberLiteral */) {
- errorInfo = ts.chainDiagnosticMessages(/* details */ undefined, ts.Diagnostics.Property_0_does_not_exist_on_type_1, indexType.value, typeToString(objectType));
- }
- else if (indexType.flags & (8 /* Number */ | 4 /* String */)) {
- errorInfo = ts.chainDiagnosticMessages(/* details */ undefined, ts.Diagnostics.No_index_signature_with_a_parameter_of_type_0_was_found_on_type_1, typeToString(indexType), typeToString(objectType));
- }
- errorInfo = ts.chainDiagnosticMessages(errorInfo, ts.Diagnostics.Element_implicitly_has_an_any_type_because_expression_of_type_0_can_t_be_used_to_index_type_1, typeToString(fullIndexType), typeToString(objectType));
- diagnostics.add(ts.createDiagnosticForNodeFromMessageChain(accessExpression, errorInfo));
- }
- }
- }
- }
- return undefined;
- }
- }
- if (isJSLiteralType(objectType)) {
- return anyType;
- }
- if (accessNode) {
- var indexNode = getIndexNodeForAccessExpression(accessNode);
- if (indexType.flags & (128 /* StringLiteral */ | 256 /* NumberLiteral */)) {
- error(indexNode, ts.Diagnostics.Property_0_does_not_exist_on_type_1, "" + indexType.value, typeToString(objectType));
- }
- else if (indexType.flags & (4 /* String */ | 8 /* Number */)) {
- error(indexNode, ts.Diagnostics.Type_0_has_no_matching_index_signature_for_type_1, typeToString(objectType), typeToString(indexType));
- }
- else {
- error(indexNode, ts.Diagnostics.Type_0_cannot_be_used_as_an_index_type, typeToString(indexType));
- }
- }
- if (isTypeAny(indexType)) {
- return indexType;
- }
- return undefined;
- function errorIfWritingToReadonlyIndex(indexInfo) {
- if (indexInfo && indexInfo.isReadonly && accessExpression && (ts.isAssignmentTarget(accessExpression) || ts.isDeleteTarget(accessExpression))) {
- error(accessExpression, ts.Diagnostics.Index_signature_in_type_0_only_permits_reading, typeToString(objectType));
- }
- }
- }
- function getIndexNodeForAccessExpression(accessNode) {
- return accessNode.kind === 195 /* ElementAccessExpression */ ? accessNode.argumentExpression :
- accessNode.kind === 185 /* IndexedAccessType */ ? accessNode.indexType :
- accessNode.kind === 154 /* ComputedPropertyName */ ? accessNode.expression :
- accessNode;
- }
- function isGenericObjectType(type) {
- if (type.flags & 3145728 /* UnionOrIntersection */) {
- if (!(type.objectFlags & 4194304 /* IsGenericObjectTypeComputed */)) {
- type.objectFlags |= 4194304 /* IsGenericObjectTypeComputed */ |
- (ts.some(type.types, isGenericObjectType) ? 8388608 /* IsGenericObjectType */ : 0);
- }
- return !!(type.objectFlags & 8388608 /* IsGenericObjectType */);
- }
- return !!(type.flags & 58982400 /* InstantiableNonPrimitive */) || isGenericMappedType(type);
- }
- function isGenericIndexType(type) {
- if (type.flags & 3145728 /* UnionOrIntersection */) {
- if (!(type.objectFlags & 16777216 /* IsGenericIndexTypeComputed */)) {
- type.objectFlags |= 16777216 /* IsGenericIndexTypeComputed */ |
- (ts.some(type.types, isGenericIndexType) ? 33554432 /* IsGenericIndexType */ : 0);
- }
- return !!(type.objectFlags & 33554432 /* IsGenericIndexType */);
- }
- return !!(type.flags & (58982400 /* InstantiableNonPrimitive */ | 4194304 /* Index */));
- }
- function isThisTypeParameter(type) {
- return !!(type.flags & 262144 /* TypeParameter */ && type.isThisType);
- }
- function getSimplifiedType(type, writing) {
- return type.flags & 8388608 /* IndexedAccess */ ? getSimplifiedIndexedAccessType(type, writing) :
- type.flags & 16777216 /* Conditional */ ? getSimplifiedConditionalType(type, writing) :
- type;
- }
- function distributeIndexOverObjectType(objectType, indexType, writing) {
- // (T | U)[K] -> T[K] | U[K] (reading)
- // (T | U)[K] -> T[K] & U[K] (writing)
- // (T & U)[K] -> T[K] & U[K]
- if (objectType.flags & 3145728 /* UnionOrIntersection */) {
- var types = ts.map(objectType.types, function (t) { return getSimplifiedType(getIndexedAccessType(t, indexType), writing); });
- return objectType.flags & 2097152 /* Intersection */ || writing ? getIntersectionType(types) : getUnionType(types);
- }
- }
- function distributeObjectOverIndexType(objectType, indexType, writing) {
- // T[A | B] -> T[A] | T[B] (reading)
- // T[A | B] -> T[A] & T[B] (writing)
- if (indexType.flags & 1048576 /* Union */) {
- var types = ts.map(indexType.types, function (t) { return getSimplifiedType(getIndexedAccessType(objectType, t), writing); });
- return writing ? getIntersectionType(types) : getUnionType(types);
- }
- }
- function unwrapSubstitution(type) {
- if (type.flags & 33554432 /* Substitution */) {
- return type.substitute;
- }
- return type;
- }
- // Transform an indexed access to a simpler form, if possible. Return the simpler form, or return
- // the type itself if no transformation is possible. The writing flag indicates that the type is
- // the target of an assignment.
- function getSimplifiedIndexedAccessType(type, writing) {
- var cache = writing ? "simplifiedForWriting" : "simplifiedForReading";
- if (type[cache]) {
- return type[cache] === circularConstraintType ? type : type[cache];
- }
- type[cache] = circularConstraintType;
- // We recursively simplify the object type as it may in turn be an indexed access type. For example, with
- // '{ [P in T]: { [Q in U]: number } }[T][U]' we want to first simplify the inner indexed access type.
- var objectType = unwrapSubstitution(getSimplifiedType(type.objectType, writing));
- var indexType = getSimplifiedType(type.indexType, writing);
- // T[A | B] -> T[A] | T[B] (reading)
- // T[A | B] -> T[A] & T[B] (writing)
- var distributedOverIndex = distributeObjectOverIndexType(objectType, indexType, writing);
- if (distributedOverIndex) {
- return type[cache] = distributedOverIndex;
- }
- // Only do the inner distributions if the index can no longer be instantiated to cause index distribution again
- if (!(indexType.flags & 63176704 /* Instantiable */)) {
- // (T | U)[K] -> T[K] | U[K] (reading)
- // (T | U)[K] -> T[K] & U[K] (writing)
- // (T & U)[K] -> T[K] & U[K]
- var distributedOverObject = distributeIndexOverObjectType(objectType, indexType, writing);
- if (distributedOverObject) {
- return type[cache] = distributedOverObject;
- }
- }
- // So ultimately (reading):
- // ((A & B) | C)[K1 | K2] -> ((A & B) | C)[K1] | ((A & B) | C)[K2] -> (A & B)[K1] | C[K1] | (A & B)[K2] | C[K2] -> (A[K1] & B[K1]) | C[K1] | (A[K2] & B[K2]) | C[K2]
- // If the object type is a mapped type { [P in K]: E }, where K is generic, instantiate E using a mapper
- // that substitutes the index type for P. For example, for an index access { [P in K]: Box<T[P]> }[X], we
- // construct the type Box<T[X]>.
- if (isGenericMappedType(objectType)) {
- return type[cache] = mapType(substituteIndexedMappedType(objectType, type.indexType), function (t) { return getSimplifiedType(t, writing); });
- }
- return type[cache] = type;
- }
- function getSimplifiedConditionalType(type, writing) {
- var checkType = type.checkType;
- var extendsType = type.extendsType;
- var trueType = getTrueTypeFromConditionalType(type);
- var falseType = getFalseTypeFromConditionalType(type);
- // Simplifications for types of the form `T extends U ? T : never` and `T extends U ? never : T`.
- if (falseType.flags & 131072 /* Never */ && getActualTypeVariable(trueType) === getActualTypeVariable(checkType)) {
- if (checkType.flags & 1 /* Any */ || isTypeAssignableTo(getRestrictiveInstantiation(checkType), getRestrictiveInstantiation(extendsType))) { // Always true
- return getSimplifiedType(trueType, writing);
- }
- else if (isIntersectionEmpty(checkType, extendsType)) { // Always false
- return neverType;
- }
- }
- else if (trueType.flags & 131072 /* Never */ && getActualTypeVariable(falseType) === getActualTypeVariable(checkType)) {
- if (!(checkType.flags & 1 /* Any */) && isTypeAssignableTo(getRestrictiveInstantiation(checkType), getRestrictiveInstantiation(extendsType))) { // Always true
- return neverType;
- }
- else if (checkType.flags & 1 /* Any */ || isIntersectionEmpty(checkType, extendsType)) { // Always false
- return getSimplifiedType(falseType, writing);
- }
- }
- return type;
- }
- /**
- * Invokes union simplification logic to determine if an intersection is considered empty as a union constituent
- */
- function isIntersectionEmpty(type1, type2) {
- return !!(getUnionType([intersectTypes(type1, type2), neverType]).flags & 131072 /* Never */);
- }
- function substituteIndexedMappedType(objectType, index) {
- var mapper = createTypeMapper([getTypeParameterFromMappedType(objectType)], [index]);
- var templateMapper = combineTypeMappers(objectType.mapper, mapper);
- return instantiateType(getTemplateTypeFromMappedType(objectType), templateMapper);
- }
- function getIndexedAccessType(objectType, indexType, accessNode, aliasSymbol, aliasTypeArguments) {
- return getIndexedAccessTypeOrUndefined(objectType, indexType, accessNode, 0 /* None */, aliasSymbol, aliasTypeArguments) || (accessNode ? errorType : unknownType);
- }
- function getIndexedAccessTypeOrUndefined(objectType, indexType, accessNode, accessFlags, aliasSymbol, aliasTypeArguments) {
- if (accessFlags === void 0) { accessFlags = 0 /* None */; }
- if (objectType === wildcardType || indexType === wildcardType) {
- return wildcardType;
- }
- // If the object type has a string index signature and no other members we know that the result will
- // always be the type of that index signature and we can simplify accordingly.
- if (isStringIndexSignatureOnlyType(objectType) && !(indexType.flags & 98304 /* Nullable */) && isTypeAssignableToKind(indexType, 4 /* String */ | 8 /* Number */)) {
- indexType = stringType;
- }
- // If the index type is generic, or if the object type is generic and doesn't originate in an expression,
- // we are performing a higher-order index access where we cannot meaningfully access the properties of the
- // object type. Note that for a generic T and a non-generic K, we eagerly resolve T[K] if it originates in
- // an expression. This is to preserve backwards compatibility. For example, an element access 'this["foo"]'
- // has always been resolved eagerly using the constraint type of 'this' at the given location.
- if (isGenericIndexType(indexType) || !(accessNode && accessNode.kind !== 185 /* IndexedAccessType */) && isGenericObjectType(objectType)) {
- if (objectType.flags & 3 /* AnyOrUnknown */) {
- return objectType;
- }
- // Defer the operation by creating an indexed access type.
- var id = objectType.id + "," + indexType.id;
- var type = indexedAccessTypes.get(id);
- if (!type) {
- indexedAccessTypes.set(id, type = createIndexedAccessType(objectType, indexType, aliasSymbol, aliasTypeArguments));
- }
- return type;
- }
- // In the following we resolve T[K] to the type of the property in T selected by K.
- // We treat boolean as different from other unions to improve errors;
- // skipping straight to getPropertyTypeForIndexType gives errors with 'boolean' instead of 'true'.
- var apparentObjectType = getReducedApparentType(objectType);
- if (indexType.flags & 1048576 /* Union */ && !(indexType.flags & 16 /* Boolean */)) {
- var propTypes = [];
- var wasMissingProp = false;
- for (var _i = 0, _a = indexType.types; _i < _a.length; _i++) {
- var t = _a[_i];
- var propType = getPropertyTypeForIndexType(objectType, apparentObjectType, t, indexType, wasMissingProp, accessNode, accessFlags);
- if (propType) {
- propTypes.push(propType);
- }
- else if (!accessNode) {
- // If there's no error node, we can immeditely stop, since error reporting is off
- return undefined;
- }
- else {
- // Otherwise we set a flag and return at the end of the loop so we still mark all errors
- wasMissingProp = true;
- }
- }
- if (wasMissingProp) {
- return undefined;
- }
- return accessFlags & 2 /* Writing */ ? getIntersectionType(propTypes, aliasSymbol, aliasTypeArguments) : getUnionType(propTypes, 1 /* Literal */, aliasSymbol, aliasTypeArguments);
- }
- return getPropertyTypeForIndexType(objectType, apparentObjectType, indexType, indexType, /* supressNoImplicitAnyError */ false, accessNode, accessFlags | 4 /* CacheSymbol */);
- }
- function getTypeFromIndexedAccessTypeNode(node) {
- var links = getNodeLinks(node);
- if (!links.resolvedType) {
- var objectType = getTypeFromTypeNode(node.objectType);
- var indexType = getTypeFromTypeNode(node.indexType);
- var potentialAlias = getAliasSymbolForTypeNode(node);
- var resolved = getIndexedAccessType(objectType, indexType, node, potentialAlias, getTypeArgumentsForAliasSymbol(potentialAlias));
- links.resolvedType = resolved.flags & 8388608 /* IndexedAccess */ &&
- resolved.objectType === objectType &&
- resolved.indexType === indexType ?
- getConditionalFlowTypeOfType(resolved, node) : resolved;
- }
- return links.resolvedType;
- }
- function getTypeFromMappedTypeNode(node) {
- var links = getNodeLinks(node);
- if (!links.resolvedType) {
- var type = createObjectType(32 /* Mapped */, node.symbol);
- type.declaration = node;
- type.aliasSymbol = getAliasSymbolForTypeNode(node);
- type.aliasTypeArguments = getTypeArgumentsForAliasSymbol(type.aliasSymbol);
- links.resolvedType = type;
- // Eagerly resolve the constraint type which forces an error if the constraint type circularly
- // references itself through one or more type aliases.
- getConstraintTypeFromMappedType(type);
- }
- return links.resolvedType;
- }
- function getActualTypeVariable(type) {
- if (type.flags & 33554432 /* Substitution */) {
- return type.baseType;
- }
- if (type.flags & 8388608 /* IndexedAccess */ && (type.objectType.flags & 33554432 /* Substitution */ ||
- type.indexType.flags & 33554432 /* Substitution */)) {
- return getIndexedAccessType(getActualTypeVariable(type.objectType), getActualTypeVariable(type.indexType));
- }
- return type;
- }
- function getConditionalType(root, mapper) {
- var result;
- var extraTypes;
- var _loop_12 = function () {
- var checkType = instantiateType(root.checkType, mapper);
- var checkTypeInstantiable = isGenericObjectType(checkType) || isGenericIndexType(checkType);
- var extendsType = instantiateType(root.extendsType, mapper);
- if (checkType === wildcardType || extendsType === wildcardType) {
- return { value: wildcardType };
- }
- var combinedMapper = void 0;
- if (root.inferTypeParameters) {
- var context = createInferenceContext(root.inferTypeParameters, /*signature*/ undefined, 0 /* None */);
- // We skip inference of the possible `infer` types unles the `extendsType` _is_ an infer type
- // if it was, it's trivial to say that extendsType = checkType, however such a pattern is used to
- // "reset" the type being build up during constraint calculation and avoid making an apparently "infinite" constraint
- // so in those cases we refain from performing inference and retain the uninfered type parameter
- if (!checkTypeInstantiable || !ts.some(root.inferTypeParameters, function (t) { return t === extendsType; })) {
- // We don't want inferences from constraints as they may cause us to eagerly resolve the
- // conditional type instead of deferring resolution. Also, we always want strict function
- // types rules (i.e. proper contravariance) for inferences.
- inferTypes(context.inferences, checkType, extendsType, 128 /* NoConstraints */ | 256 /* AlwaysStrict */);
- }
- combinedMapper = mergeTypeMappers(mapper, context.mapper);
- }
- // Instantiate the extends type including inferences for 'infer T' type parameters
- var inferredExtendsType = combinedMapper ? instantiateType(root.extendsType, combinedMapper) : extendsType;
- // We attempt to resolve the conditional type only when the check and extends types are non-generic
- if (!checkTypeInstantiable && !isGenericObjectType(inferredExtendsType) && !isGenericIndexType(inferredExtendsType)) {
- // Return falseType for a definitely false extends check. We check an instantiations of the two
- // types with type parameters mapped to the wildcard type, the most permissive instantiations
- // possible (the wildcard type is assignable to and from all types). If those are not related,
- // then no instantiations will be and we can just return the false branch type.
- if (!(inferredExtendsType.flags & 3 /* AnyOrUnknown */) && (checkType.flags & 1 /* Any */ || !isTypeAssignableTo(getPermissiveInstantiation(checkType), getPermissiveInstantiation(inferredExtendsType)))) {
- // Return union of trueType and falseType for 'any' since it matches anything
- if (checkType.flags & 1 /* Any */) {
- (extraTypes || (extraTypes = [])).push(instantiateTypeWithoutDepthIncrease(root.trueType, combinedMapper || mapper));
- }
- // If falseType is an immediately nested conditional type that isn't distributive or has an
- // identical checkType, switch to that type and loop.
- var falseType_1 = root.falseType;
- if (falseType_1.flags & 16777216 /* Conditional */) {
- var newRoot = falseType_1.root;
- if (newRoot.node.parent === root.node && (!newRoot.isDistributive || newRoot.checkType === root.checkType)) {
- root = newRoot;
- return "continue";
- }
- }
- result = instantiateTypeWithoutDepthIncrease(falseType_1, mapper);
- return "break";
- }
- // Return trueType for a definitely true extends check. We check instantiations of the two
- // types with type parameters mapped to their restrictive form, i.e. a form of the type parameter
- // that has no constraint. This ensures that, for example, the type
- // type Foo<T extends { x: any }> = T extends { x: string } ? string : number
- // doesn't immediately resolve to 'string' instead of being deferred.
- if (inferredExtendsType.flags & 3 /* AnyOrUnknown */ || isTypeAssignableTo(getRestrictiveInstantiation(checkType), getRestrictiveInstantiation(inferredExtendsType))) {
- result = instantiateTypeWithoutDepthIncrease(root.trueType, combinedMapper || mapper);
- return "break";
- }
- }
- // Return a deferred type for a check that is neither definitely true nor definitely false
- var erasedCheckType = getActualTypeVariable(checkType);
- result = createType(16777216 /* Conditional */);
- result.root = root;
- result.checkType = erasedCheckType;
- result.extendsType = extendsType;
- result.mapper = mapper;
- result.combinedMapper = combinedMapper;
- result.aliasSymbol = root.aliasSymbol;
- result.aliasTypeArguments = instantiateTypes(root.aliasTypeArguments, mapper); // TODO: GH#18217
- return "break";
- };
- // We loop here for an immediately nested conditional type in the false position, effectively treating
- // types of the form 'A extends B ? X : C extends D ? Y : E extends F ? Z : ...' as a single construct for
- // purposes of resolution. This means such types aren't subject to the instatiation depth limiter.
- while (true) {
- var state_4 = _loop_12();
- if (typeof state_4 === "object")
- return state_4.value;
- if (state_4 === "break")
- break;
- }
- return extraTypes ? getUnionType(ts.append(extraTypes, result)) : result;
- }
- function getTrueTypeFromConditionalType(type) {
- return type.resolvedTrueType || (type.resolvedTrueType = instantiateType(type.root.trueType, type.mapper));
- }
- function getFalseTypeFromConditionalType(type) {
- return type.resolvedFalseType || (type.resolvedFalseType = instantiateType(type.root.falseType, type.mapper));
- }
- function getInferredTrueTypeFromConditionalType(type) {
- return type.resolvedInferredTrueType || (type.resolvedInferredTrueType = type.combinedMapper ? instantiateType(type.root.trueType, type.combinedMapper) : getTrueTypeFromConditionalType(type));
- }
- function getInferTypeParameters(node) {
- var result;
- if (node.locals) {
- node.locals.forEach(function (symbol) {
- if (symbol.flags & 262144 /* TypeParameter */) {
- result = ts.append(result, getDeclaredTypeOfSymbol(symbol));
- }
- });
- }
- return result;
- }
- function getTypeFromConditionalTypeNode(node) {
- var links = getNodeLinks(node);
- if (!links.resolvedType) {
- var checkType = getTypeFromTypeNode(node.checkType);
- var aliasSymbol = getAliasSymbolForTypeNode(node);
- var aliasTypeArguments = getTypeArgumentsForAliasSymbol(aliasSymbol);
- var allOuterTypeParameters = getOuterTypeParameters(node, /*includeThisTypes*/ true);
- var outerTypeParameters = aliasTypeArguments ? allOuterTypeParameters : ts.filter(allOuterTypeParameters, function (tp) { return isTypeParameterPossiblyReferenced(tp, node); });
- var root = {
- node: node,
- checkType: checkType,
- extendsType: getTypeFromTypeNode(node.extendsType),
- trueType: getTypeFromTypeNode(node.trueType),
- falseType: getTypeFromTypeNode(node.falseType),
- isDistributive: !!(checkType.flags & 262144 /* TypeParameter */),
- inferTypeParameters: getInferTypeParameters(node),
- outerTypeParameters: outerTypeParameters,
- instantiations: undefined,
- aliasSymbol: aliasSymbol,
- aliasTypeArguments: aliasTypeArguments
- };
- links.resolvedType = getConditionalType(root, /*mapper*/ undefined);
- if (outerTypeParameters) {
- root.instantiations = ts.createMap();
- root.instantiations.set(getTypeListId(outerTypeParameters), links.resolvedType);
- }
- }
- return links.resolvedType;
- }
- function getTypeFromInferTypeNode(node) {
- var links = getNodeLinks(node);
- if (!links.resolvedType) {
- links.resolvedType = getDeclaredTypeOfTypeParameter(getSymbolOfNode(node.typeParameter));
- }
- return links.resolvedType;
- }
- function getIdentifierChain(node) {
- if (ts.isIdentifier(node)) {
- return [node];
- }
- else {
- return ts.append(getIdentifierChain(node.left), node.right);
- }
- }
- function getTypeFromImportTypeNode(node) {
- var links = getNodeLinks(node);
- if (!links.resolvedType) {
- if (node.isTypeOf && node.typeArguments) { // Only the non-typeof form can make use of type arguments
- error(node, ts.Diagnostics.Type_arguments_cannot_be_used_here);
- links.resolvedSymbol = unknownSymbol;
- return links.resolvedType = errorType;
- }
- if (!ts.isLiteralImportTypeNode(node)) {
- error(node.argument, ts.Diagnostics.String_literal_expected);
- links.resolvedSymbol = unknownSymbol;
- return links.resolvedType = errorType;
- }
- var targetMeaning = node.isTypeOf ? 111551 /* Value */ : node.flags & 4194304 /* JSDoc */ ? 111551 /* Value */ | 788968 /* Type */ : 788968 /* Type */;
- // TODO: Future work: support unions/generics/whatever via a deferred import-type
- var innerModuleSymbol = resolveExternalModuleName(node, node.argument.literal);
- if (!innerModuleSymbol) {
- links.resolvedSymbol = unknownSymbol;
- return links.resolvedType = errorType;
- }
- var moduleSymbol = resolveExternalModuleSymbol(innerModuleSymbol, /*dontResolveAlias*/ false);
- if (!ts.nodeIsMissing(node.qualifier)) {
- var nameStack = getIdentifierChain(node.qualifier);
- var currentNamespace = moduleSymbol;
- var current = void 0;
- while (current = nameStack.shift()) {
- var meaning = nameStack.length ? 1920 /* Namespace */ : targetMeaning;
- var next = getSymbol(getExportsOfSymbol(getMergedSymbol(resolveSymbol(currentNamespace))), current.escapedText, meaning);
- if (!next) {
- error(current, ts.Diagnostics.Namespace_0_has_no_exported_member_1, getFullyQualifiedName(currentNamespace), ts.declarationNameToString(current));
- return links.resolvedType = errorType;
- }
- getNodeLinks(current).resolvedSymbol = next;
- getNodeLinks(current.parent).resolvedSymbol = next;
- currentNamespace = next;
- }
- links.resolvedType = resolveImportSymbolType(node, links, currentNamespace, targetMeaning);
- }
- else {
- if (moduleSymbol.flags & targetMeaning) {
- links.resolvedType = resolveImportSymbolType(node, links, moduleSymbol, targetMeaning);
- }
- else {
- var errorMessage = targetMeaning === 111551 /* Value */
- ? ts.Diagnostics.Module_0_does_not_refer_to_a_value_but_is_used_as_a_value_here
- : ts.Diagnostics.Module_0_does_not_refer_to_a_type_but_is_used_as_a_type_here_Did_you_mean_typeof_import_0;
- error(node, errorMessage, node.argument.literal.text);
- links.resolvedSymbol = unknownSymbol;
- links.resolvedType = errorType;
- }
- }
- }
- return links.resolvedType;
- }
- function resolveImportSymbolType(node, links, symbol, meaning) {
- var resolvedSymbol = resolveSymbol(symbol);
- links.resolvedSymbol = resolvedSymbol;
- if (meaning === 111551 /* Value */) {
- return getTypeOfSymbol(symbol); // intentionally doesn't use resolved symbol so type is cached as expected on the alias
- }
- else {
- return getTypeReferenceType(node, resolvedSymbol); // getTypeReferenceType doesn't handle aliases - it must get the resolved symbol
- }
- }
- function getTypeFromTypeLiteralOrFunctionOrConstructorTypeNode(node) {
- var links = getNodeLinks(node);
- if (!links.resolvedType) {
- // Deferred resolution of members is handled by resolveObjectTypeMembers
- var aliasSymbol = getAliasSymbolForTypeNode(node);
- if (getMembersOfSymbol(node.symbol).size === 0 && !aliasSymbol) {
- links.resolvedType = emptyTypeLiteralType;
- }
- else {
- var type = createObjectType(16 /* Anonymous */, node.symbol);
- type.aliasSymbol = aliasSymbol;
- type.aliasTypeArguments = getTypeArgumentsForAliasSymbol(aliasSymbol);
- if (ts.isJSDocTypeLiteral(node) && node.isArrayType) {
- type = createArrayType(type);
- }
- links.resolvedType = type;
- }
- }
- return links.resolvedType;
- }
- function getAliasSymbolForTypeNode(node) {
- var host = node.parent;
- while (ts.isParenthesizedTypeNode(host) || ts.isTypeOperatorNode(host) && host.operator === 138 /* ReadonlyKeyword */) {
- host = host.parent;
- }
- return ts.isTypeAlias(host) ? getSymbolOfNode(host) : undefined;
- }
- function getTypeArgumentsForAliasSymbol(symbol) {
- return symbol ? getLocalTypeParametersOfClassOrInterfaceOrTypeAlias(symbol) : undefined;
- }
- function isNonGenericObjectType(type) {
- return !!(type.flags & 524288 /* Object */) && !isGenericMappedType(type);
- }
- function isEmptyObjectTypeOrSpreadsIntoEmptyObject(type) {
- return isEmptyObjectType(type) || !!(type.flags & (65536 /* Null */ | 32768 /* Undefined */ | 528 /* BooleanLike */ | 296 /* NumberLike */ | 2112 /* BigIntLike */ | 132 /* StringLike */ | 1056 /* EnumLike */ | 67108864 /* NonPrimitive */ | 4194304 /* Index */));
- }
- function isSinglePropertyAnonymousObjectType(type) {
- return !!(type.flags & 524288 /* Object */) &&
- !!(ts.getObjectFlags(type) & 16 /* Anonymous */) &&
- (ts.length(getPropertiesOfType(type)) === 1 || ts.every(getPropertiesOfType(type), function (p) { return !!(p.flags & 16777216 /* Optional */); }));
- }
- function tryMergeUnionOfObjectTypeAndEmptyObject(type, readonly) {
- if (type.types.length === 2) {
- var firstType = type.types[0];
- var secondType = type.types[1];
- if (ts.every(type.types, isEmptyObjectTypeOrSpreadsIntoEmptyObject)) {
- return isEmptyObjectType(firstType) ? firstType : isEmptyObjectType(secondType) ? secondType : emptyObjectType;
- }
- if (isEmptyObjectTypeOrSpreadsIntoEmptyObject(firstType) && isSinglePropertyAnonymousObjectType(secondType)) {
- return getAnonymousPartialType(secondType);
- }
- if (isEmptyObjectTypeOrSpreadsIntoEmptyObject(secondType) && isSinglePropertyAnonymousObjectType(firstType)) {
- return getAnonymousPartialType(firstType);
- }
- }
- function getAnonymousPartialType(type) {
- // gets the type as if it had been spread, but where everything in the spread is made optional
- var members = ts.createSymbolTable();
- for (var _i = 0, _a = getPropertiesOfType(type); _i < _a.length; _i++) {
- var prop = _a[_i];
- if (ts.getDeclarationModifierFlagsFromSymbol(prop) & (8 /* Private */ | 16 /* Protected */)) {
- // do nothing, skip privates
- }
- else if (isSpreadableProperty(prop)) {
- var isSetonlyAccessor = prop.flags & 65536 /* SetAccessor */ && !(prop.flags & 32768 /* GetAccessor */);
- var flags = 4 /* Property */ | 16777216 /* Optional */;
- var result = createSymbol(flags, prop.escapedName, readonly ? 8 /* Readonly */ : 0);
- result.type = isSetonlyAccessor ? undefinedType : getTypeOfSymbol(prop);
- result.declarations = prop.declarations;
- result.nameType = getSymbolLinks(prop).nameType;
- result.syntheticOrigin = prop;
- members.set(prop.escapedName, result);
- }
- }
- var spread = createAnonymousType(type.symbol, members, ts.emptyArray, ts.emptyArray, getIndexInfoOfType(type, 0 /* String */), getIndexInfoOfType(type, 1 /* Number */));
- spread.objectFlags |= 128 /* ObjectLiteral */ | 1048576 /* ContainsObjectOrArrayLiteral */;
- return spread;
- }
- }
- /**
- * Since the source of spread types are object literals, which are not binary,
- * this function should be called in a left folding style, with left = previous result of getSpreadType
- * and right = the new element to be spread.
- */
- function getSpreadType(left, right, symbol, objectFlags, readonly) {
- if (left.flags & 1 /* Any */ || right.flags & 1 /* Any */) {
- return anyType;
- }
- if (left.flags & 2 /* Unknown */ || right.flags & 2 /* Unknown */) {
- return unknownType;
- }
- if (left.flags & 131072 /* Never */) {
- return right;
- }
- if (right.flags & 131072 /* Never */) {
- return left;
- }
- if (left.flags & 1048576 /* Union */) {
- var merged = tryMergeUnionOfObjectTypeAndEmptyObject(left, readonly);
- if (merged) {
- return getSpreadType(merged, right, symbol, objectFlags, readonly);
- }
- return mapType(left, function (t) { return getSpreadType(t, right, symbol, objectFlags, readonly); });
- }
- if (right.flags & 1048576 /* Union */) {
- var merged = tryMergeUnionOfObjectTypeAndEmptyObject(right, readonly);
- if (merged) {
- return getSpreadType(left, merged, symbol, objectFlags, readonly);
- }
- return mapType(right, function (t) { return getSpreadType(left, t, symbol, objectFlags, readonly); });
- }
- if (right.flags & (528 /* BooleanLike */ | 296 /* NumberLike */ | 2112 /* BigIntLike */ | 132 /* StringLike */ | 1056 /* EnumLike */ | 67108864 /* NonPrimitive */ | 4194304 /* Index */)) {
- return left;
- }
- if (isGenericObjectType(left) || isGenericObjectType(right)) {
- if (isEmptyObjectType(left)) {
- return right;
- }
- // When the left type is an intersection, we may need to merge the last constituent of the
- // intersection with the right type. For example when the left type is 'T & { a: string }'
- // and the right type is '{ b: string }' we produce 'T & { a: string, b: string }'.
- if (left.flags & 2097152 /* Intersection */) {
- var types = left.types;
- var lastLeft = types[types.length - 1];
- if (isNonGenericObjectType(lastLeft) && isNonGenericObjectType(right)) {
- return getIntersectionType(ts.concatenate(types.slice(0, types.length - 1), [getSpreadType(lastLeft, right, symbol, objectFlags, readonly)]));
- }
- }
- return getIntersectionType([left, right]);
- }
- var members = ts.createSymbolTable();
- var skippedPrivateMembers = ts.createUnderscoreEscapedMap();
- var stringIndexInfo;
- var numberIndexInfo;
- if (left === emptyObjectType) {
- // for the first spread element, left === emptyObjectType, so take the right's string indexer
- stringIndexInfo = getIndexInfoOfType(right, 0 /* String */);
- numberIndexInfo = getIndexInfoOfType(right, 1 /* Number */);
- }
- else {
- stringIndexInfo = unionSpreadIndexInfos(getIndexInfoOfType(left, 0 /* String */), getIndexInfoOfType(right, 0 /* String */));
- numberIndexInfo = unionSpreadIndexInfos(getIndexInfoOfType(left, 1 /* Number */), getIndexInfoOfType(right, 1 /* Number */));
- }
- for (var _i = 0, _a = getPropertiesOfType(right); _i < _a.length; _i++) {
- var rightProp = _a[_i];
- if (ts.getDeclarationModifierFlagsFromSymbol(rightProp) & (8 /* Private */ | 16 /* Protected */)) {
- skippedPrivateMembers.set(rightProp.escapedName, true);
- }
- else if (isSpreadableProperty(rightProp)) {
- members.set(rightProp.escapedName, getSpreadSymbol(rightProp, readonly));
- }
- }
- for (var _b = 0, _c = getPropertiesOfType(left); _b < _c.length; _b++) {
- var leftProp = _c[_b];
- if (skippedPrivateMembers.has(leftProp.escapedName) || !isSpreadableProperty(leftProp)) {
- continue;
- }
- if (members.has(leftProp.escapedName)) {
- var rightProp = members.get(leftProp.escapedName);
- var rightType = getTypeOfSymbol(rightProp);
- if (rightProp.flags & 16777216 /* Optional */) {
- var declarations = ts.concatenate(leftProp.declarations, rightProp.declarations);
- var flags = 4 /* Property */ | (leftProp.flags & 16777216 /* Optional */);
- var result = createSymbol(flags, leftProp.escapedName);
- result.type = getUnionType([getTypeOfSymbol(leftProp), getTypeWithFacts(rightType, 524288 /* NEUndefined */)]);
- result.leftSpread = leftProp;
- result.rightSpread = rightProp;
- result.declarations = declarations;
- result.nameType = getSymbolLinks(leftProp).nameType;
- members.set(leftProp.escapedName, result);
- }
- }
- else {
- members.set(leftProp.escapedName, getSpreadSymbol(leftProp, readonly));
- }
- }
- var spread = createAnonymousType(symbol, members, ts.emptyArray, ts.emptyArray, getIndexInfoWithReadonly(stringIndexInfo, readonly), getIndexInfoWithReadonly(numberIndexInfo, readonly));
- spread.objectFlags |= 128 /* ObjectLiteral */ | 1048576 /* ContainsObjectOrArrayLiteral */ | 1024 /* ContainsSpread */ | objectFlags;
- return spread;
- }
- /** We approximate own properties as non-methods plus methods that are inside the object literal */
- function isSpreadableProperty(prop) {
- return !ts.some(prop.declarations, ts.isPrivateIdentifierPropertyDeclaration) &&
- (!(prop.flags & (8192 /* Method */ | 32768 /* GetAccessor */ | 65536 /* SetAccessor */)) ||
- !prop.declarations.some(function (decl) { return ts.isClassLike(decl.parent); }));
- }
- function getSpreadSymbol(prop, readonly) {
- var isSetonlyAccessor = prop.flags & 65536 /* SetAccessor */ && !(prop.flags & 32768 /* GetAccessor */);
- if (!isSetonlyAccessor && readonly === isReadonlySymbol(prop)) {
- return prop;
- }
- var flags = 4 /* Property */ | (prop.flags & 16777216 /* Optional */);
- var result = createSymbol(flags, prop.escapedName, readonly ? 8 /* Readonly */ : 0);
- result.type = isSetonlyAccessor ? undefinedType : getTypeOfSymbol(prop);
- result.declarations = prop.declarations;
- result.nameType = getSymbolLinks(prop).nameType;
- result.syntheticOrigin = prop;
- return result;
- }
- function getIndexInfoWithReadonly(info, readonly) {
- return info && info.isReadonly !== readonly ? createIndexInfo(info.type, readonly, info.declaration) : info;
- }
- function createLiteralType(flags, value, symbol) {
- var type = createType(flags);
- type.symbol = symbol;
- type.value = value;
- return type;
- }
- function getFreshTypeOfLiteralType(type) {
- if (type.flags & 2944 /* Literal */) {
- if (!type.freshType) {
- var freshType = createLiteralType(type.flags, type.value, type.symbol);
- freshType.regularType = type;
- freshType.freshType = freshType;
- type.freshType = freshType;
- }
- return type.freshType;
- }
- return type;
- }
- function getRegularTypeOfLiteralType(type) {
- return type.flags & 2944 /* Literal */ ? type.regularType :
- type.flags & 1048576 /* Union */ ? (type.regularType || (type.regularType = getUnionType(ts.sameMap(type.types, getRegularTypeOfLiteralType)))) :
- type;
- }
- function isFreshLiteralType(type) {
- return !!(type.flags & 2944 /* Literal */) && type.freshType === type;
- }
- function getLiteralType(value, enumId, symbol) {
- // We store all literal types in a single map with keys of the form '#NNN' and '@SSS',
- // where NNN is the text representation of a numeric literal and SSS are the characters
- // of a string literal. For literal enum members we use 'EEE#NNN' and 'EEE@SSS', where
- // EEE is a unique id for the containing enum type.
- var qualifier = typeof value === "number" ? "#" : typeof value === "string" ? "@" : "n";
- var key = (enumId ? enumId : "") + qualifier + (typeof value === "object" ? ts.pseudoBigIntToString(value) : value);
- var type = literalTypes.get(key);
- if (!type) {
- var flags = (typeof value === "number" ? 256 /* NumberLiteral */ :
- typeof value === "string" ? 128 /* StringLiteral */ : 2048 /* BigIntLiteral */) |
- (enumId ? 1024 /* EnumLiteral */ : 0);
- literalTypes.set(key, type = createLiteralType(flags, value, symbol));
- type.regularType = type;
- }
- return type;
- }
- function getTypeFromLiteralTypeNode(node) {
- var links = getNodeLinks(node);
- if (!links.resolvedType) {
- links.resolvedType = getRegularTypeOfLiteralType(checkExpression(node.literal));
- }
- return links.resolvedType;
- }
- function createUniqueESSymbolType(symbol) {
- var type = createType(8192 /* UniqueESSymbol */);
- type.symbol = symbol;
- type.escapedName = "__@" + type.symbol.escapedName + "@" + getSymbolId(type.symbol);
- return type;
- }
- function getESSymbolLikeTypeForNode(node) {
- if (ts.isValidESSymbolDeclaration(node)) {
- var symbol = getSymbolOfNode(node);
- var links = getSymbolLinks(symbol);
- return links.uniqueESSymbolType || (links.uniqueESSymbolType = createUniqueESSymbolType(symbol));
- }
- return esSymbolType;
- }
- function getThisType(node) {
- var container = ts.getThisContainer(node, /*includeArrowFunctions*/ false);
- var parent = container && container.parent;
- if (parent && (ts.isClassLike(parent) || parent.kind === 246 /* InterfaceDeclaration */)) {
- if (!ts.hasModifier(container, 32 /* Static */) &&
- (!ts.isConstructorDeclaration(container) || ts.isNodeDescendantOf(node, container.body))) {
- return getDeclaredTypeOfClassOrInterface(getSymbolOfNode(parent)).thisType;
- }
- }
- // inside x.prototype = { ... }
- if (parent && ts.isObjectLiteralExpression(parent) && ts.isBinaryExpression(parent.parent) && ts.getAssignmentDeclarationKind(parent.parent) === 6 /* Prototype */) {
- return getDeclaredTypeOfClassOrInterface(getSymbolOfNode(parent.parent.left).parent).thisType;
- }
- // /** @return {this} */
- // x.prototype.m = function() { ... }
- var host = node.flags & 4194304 /* JSDoc */ ? ts.getHostSignatureFromJSDoc(node) : undefined;
- if (host && ts.isFunctionExpression(host) && ts.isBinaryExpression(host.parent) && ts.getAssignmentDeclarationKind(host.parent) === 3 /* PrototypeProperty */) {
- return getDeclaredTypeOfClassOrInterface(getSymbolOfNode(host.parent.left).parent).thisType;
- }
- // inside constructor function C() { ... }
- if (isJSConstructor(container) && ts.isNodeDescendantOf(node, container.body)) {
- return getDeclaredTypeOfClassOrInterface(getSymbolOfNode(container)).thisType;
- }
- error(node, ts.Diagnostics.A_this_type_is_available_only_in_a_non_static_member_of_a_class_or_interface);
- return errorType;
- }
- function getTypeFromThisTypeNode(node) {
- var links = getNodeLinks(node);
- if (!links.resolvedType) {
- links.resolvedType = getThisType(node);
- }
- return links.resolvedType;
- }
- function getTypeFromTypeNode(node) {
- return getConditionalFlowTypeOfType(getTypeFromTypeNodeWorker(node), node);
- }
- function getTypeFromTypeNodeWorker(node) {
- switch (node.kind) {
- case 125 /* AnyKeyword */:
- case 295 /* JSDocAllType */:
- case 296 /* JSDocUnknownType */:
- return anyType;
- case 148 /* UnknownKeyword */:
- return unknownType;
- case 143 /* StringKeyword */:
- return stringType;
- case 140 /* NumberKeyword */:
- return numberType;
- case 151 /* BigIntKeyword */:
- return bigintType;
- case 128 /* BooleanKeyword */:
- return booleanType;
- case 144 /* SymbolKeyword */:
- return esSymbolType;
- case 110 /* VoidKeyword */:
- return voidType;
- case 146 /* UndefinedKeyword */:
- return undefinedType;
- case 100 /* NullKeyword */:
- return nullType;
- case 137 /* NeverKeyword */:
- return neverType;
- case 141 /* ObjectKeyword */:
- return node.flags & 131072 /* JavaScriptFile */ && !noImplicitAny ? anyType : nonPrimitiveType;
- case 183 /* ThisType */:
- case 104 /* ThisKeyword */:
- return getTypeFromThisTypeNode(node);
- case 187 /* LiteralType */:
- return getTypeFromLiteralTypeNode(node);
- case 169 /* TypeReference */:
- return getTypeFromTypeReference(node);
- case 168 /* TypePredicate */:
- return node.assertsModifier ? voidType : booleanType;
- case 216 /* ExpressionWithTypeArguments */:
- return getTypeFromTypeReference(node);
- case 172 /* TypeQuery */:
- return getTypeFromTypeQueryNode(node);
- case 174 /* ArrayType */:
- case 175 /* TupleType */:
- return getTypeFromArrayOrTupleTypeNode(node);
- case 176 /* OptionalType */:
- return getTypeFromOptionalTypeNode(node);
- case 178 /* UnionType */:
- return getTypeFromUnionTypeNode(node);
- case 179 /* IntersectionType */:
- return getTypeFromIntersectionTypeNode(node);
- case 297 /* JSDocNullableType */:
- return getTypeFromJSDocNullableTypeNode(node);
- case 299 /* JSDocOptionalType */:
- return addOptionality(getTypeFromTypeNode(node.type));
- case 182 /* ParenthesizedType */:
- case 298 /* JSDocNonNullableType */:
- case 294 /* JSDocTypeExpression */:
- return getTypeFromTypeNode(node.type);
- case 177 /* RestType */:
- return getElementTypeOfArrayType(getTypeFromTypeNode(node.type)) || errorType;
- case 301 /* JSDocVariadicType */:
- return getTypeFromJSDocVariadicType(node);
- case 170 /* FunctionType */:
- case 171 /* ConstructorType */:
- case 173 /* TypeLiteral */:
- case 304 /* JSDocTypeLiteral */:
- case 300 /* JSDocFunctionType */:
- case 305 /* JSDocSignature */:
- return getTypeFromTypeLiteralOrFunctionOrConstructorTypeNode(node);
- case 184 /* TypeOperator */:
- return getTypeFromTypeOperatorNode(node);
- case 185 /* IndexedAccessType */:
- return getTypeFromIndexedAccessTypeNode(node);
- case 186 /* MappedType */:
- return getTypeFromMappedTypeNode(node);
- case 180 /* ConditionalType */:
- return getTypeFromConditionalTypeNode(node);
- case 181 /* InferType */:
- return getTypeFromInferTypeNode(node);
- case 188 /* ImportType */:
- return getTypeFromImportTypeNode(node);
- // This function assumes that an identifier or qualified name is a type expression
- // Callers should first ensure this by calling isTypeNode
- case 75 /* Identifier */:
- case 153 /* QualifiedName */:
- var symbol = getSymbolAtLocation(node);
- return symbol ? getDeclaredTypeOfSymbol(symbol) : errorType;
- default:
- return errorType;
- }
- }
- function instantiateList(items, mapper, instantiator) {
- if (items && items.length) {
- for (var i = 0; i < items.length; i++) {
- var item = items[i];
- var mapped = instantiator(item, mapper);
- if (item !== mapped) {
- var result = i === 0 ? [] : items.slice(0, i);
- result.push(mapped);
- for (i++; i < items.length; i++) {
- result.push(instantiator(items[i], mapper));
- }
- return result;
- }
- }
- }
- return items;
- }
- function instantiateTypes(types, mapper) {
- return instantiateList(types, mapper, instantiateType);
- }
- function instantiateSignatures(signatures, mapper) {
- return instantiateList(signatures, mapper, instantiateSignature);
- }
- function createTypeMapper(sources, targets) {
- return sources.length === 1 ? makeUnaryTypeMapper(sources[0], targets ? targets[0] : anyType) : makeArrayTypeMapper(sources, targets);
- }
- function getMappedType(type, mapper) {
- switch (mapper.kind) {
- case 0 /* Simple */:
- return type === mapper.source ? mapper.target : type;
- case 1 /* Array */:
- var sources = mapper.sources;
- var targets = mapper.targets;
- for (var i = 0; i < sources.length; i++) {
- if (type === sources[i]) {
- return targets ? targets[i] : anyType;
- }
- }
- return type;
- case 2 /* Function */:
- return mapper.func(type);
- case 3 /* Composite */:
- case 4 /* Merged */:
- var t1 = getMappedType(type, mapper.mapper1);
- return t1 !== type && mapper.kind === 3 /* Composite */ ? instantiateType(t1, mapper.mapper2) : getMappedType(t1, mapper.mapper2);
- }
- }
- function makeUnaryTypeMapper(source, target) {
- return { kind: 0 /* Simple */, source: source, target: target };
- }
- function makeArrayTypeMapper(sources, targets) {
- return { kind: 1 /* Array */, sources: sources, targets: targets };
- }
- function makeFunctionTypeMapper(func) {
- return { kind: 2 /* Function */, func: func };
- }
- function makeCompositeTypeMapper(kind, mapper1, mapper2) {
- return { kind: kind, mapper1: mapper1, mapper2: mapper2 };
- }
- function createTypeEraser(sources) {
- return createTypeMapper(sources, /*targets*/ undefined);
- }
- /**
- * Maps forward-references to later types parameters to the empty object type.
- * This is used during inference when instantiating type parameter defaults.
- */
- function createBackreferenceMapper(context, index) {
- return makeFunctionTypeMapper(function (t) { return ts.findIndex(context.inferences, function (info) { return info.typeParameter === t; }) >= index ? unknownType : t; });
- }
- function combineTypeMappers(mapper1, mapper2) {
- return mapper1 ? makeCompositeTypeMapper(3 /* Composite */, mapper1, mapper2) : mapper2;
- }
- function mergeTypeMappers(mapper1, mapper2) {
- return mapper1 ? makeCompositeTypeMapper(4 /* Merged */, mapper1, mapper2) : mapper2;
- }
- function prependTypeMapping(source, target, mapper) {
- return !mapper ? makeUnaryTypeMapper(source, target) : makeCompositeTypeMapper(4 /* Merged */, makeUnaryTypeMapper(source, target), mapper);
- }
- function appendTypeMapping(mapper, source, target) {
- return !mapper ? makeUnaryTypeMapper(source, target) : makeCompositeTypeMapper(4 /* Merged */, mapper, makeUnaryTypeMapper(source, target));
- }
- function getRestrictiveTypeParameter(tp) {
- return tp.constraint === unknownType ? tp : tp.restrictiveInstantiation || (tp.restrictiveInstantiation = createTypeParameter(tp.symbol),
- tp.restrictiveInstantiation.constraint = unknownType,
- tp.restrictiveInstantiation);
- }
- function cloneTypeParameter(typeParameter) {
- var result = createTypeParameter(typeParameter.symbol);
- result.target = typeParameter;
- return result;
- }
- function instantiateTypePredicate(predicate, mapper) {
- return createTypePredicate(predicate.kind, predicate.parameterName, predicate.parameterIndex, instantiateType(predicate.type, mapper));
- }
- function instantiateSignature(signature, mapper, eraseTypeParameters) {
- var freshTypeParameters;
- if (signature.typeParameters && !eraseTypeParameters) {
- // First create a fresh set of type parameters, then include a mapping from the old to the
- // new type parameters in the mapper function. Finally store this mapper in the new type
- // parameters such that we can use it when instantiating constraints.
- freshTypeParameters = ts.map(signature.typeParameters, cloneTypeParameter);
- mapper = combineTypeMappers(createTypeMapper(signature.typeParameters, freshTypeParameters), mapper);
- for (var _i = 0, freshTypeParameters_1 = freshTypeParameters; _i < freshTypeParameters_1.length; _i++) {
- var tp = freshTypeParameters_1[_i];
- tp.mapper = mapper;
- }
- }
- // Don't compute resolvedReturnType and resolvedTypePredicate now,
- // because using `mapper` now could trigger inferences to become fixed. (See `createInferenceContext`.)
- // See GH#17600.
- var result = createSignature(signature.declaration, freshTypeParameters, signature.thisParameter && instantiateSymbol(signature.thisParameter, mapper), instantiateList(signature.parameters, mapper, instantiateSymbol),
- /*resolvedReturnType*/ undefined,
- /*resolvedTypePredicate*/ undefined, signature.minArgumentCount, signature.flags & 3 /* PropagatingFlags */);
- result.target = signature;
- result.mapper = mapper;
- return result;
- }
- function instantiateSymbol(symbol, mapper) {
- var links = getSymbolLinks(symbol);
- if (links.type && !couldContainTypeVariables(links.type)) {
- // If the type of the symbol is already resolved, and if that type could not possibly
- // be affected by instantiation, simply return the symbol itself.
- return symbol;
- }
- if (ts.getCheckFlags(symbol) & 1 /* Instantiated */) {
- // If symbol being instantiated is itself a instantiation, fetch the original target and combine the
- // type mappers. This ensures that original type identities are properly preserved and that aliases
- // always reference a non-aliases.
- symbol = links.target;
- mapper = combineTypeMappers(links.mapper, mapper);
- }
- // Keep the flags from the symbol we're instantiating. Mark that is instantiated, and
- // also transient so that we can just store data on it directly.
- var result = createSymbol(symbol.flags, symbol.escapedName, 1 /* Instantiated */ | ts.getCheckFlags(symbol) & (8 /* Readonly */ | 4096 /* Late */ | 16384 /* OptionalParameter */ | 32768 /* RestParameter */));
- result.declarations = symbol.declarations;
- result.parent = symbol.parent;
- result.target = symbol;
- result.mapper = mapper;
- if (symbol.valueDeclaration) {
- result.valueDeclaration = symbol.valueDeclaration;
- }
- if (links.nameType) {
- result.nameType = links.nameType;
- }
- return result;
- }
- function getObjectTypeInstantiation(type, mapper) {
- var target = type.objectFlags & 64 /* Instantiated */ ? type.target : type;
- var node = type.objectFlags & 4 /* Reference */ ? type.node : type.symbol.declarations[0];
- var links = getNodeLinks(node);
- var typeParameters = links.outerTypeParameters;
- if (!typeParameters) {
- // The first time an anonymous type is instantiated we compute and store a list of the type
- // parameters that are in scope (and therefore potentially referenced). For type literals that
- // aren't the right hand side of a generic type alias declaration we optimize by reducing the
- // set of type parameters to those that are possibly referenced in the literal.
- var declaration_1 = node;
- if (ts.isInJSFile(declaration_1)) {
- var paramTag = ts.findAncestor(declaration_1, ts.isJSDocParameterTag);
- if (paramTag) {
- var paramSymbol = ts.getParameterSymbolFromJSDoc(paramTag);
- if (paramSymbol) {
- declaration_1 = paramSymbol.valueDeclaration;
- }
- }
- }
- var outerTypeParameters = getOuterTypeParameters(declaration_1, /*includeThisTypes*/ true);
- if (isJSConstructor(declaration_1)) {
- var templateTagParameters = getTypeParametersFromDeclaration(declaration_1);
- outerTypeParameters = ts.addRange(outerTypeParameters, templateTagParameters);
- }
- typeParameters = outerTypeParameters || ts.emptyArray;
- typeParameters = (target.objectFlags & 4 /* Reference */ || target.symbol.flags & 2048 /* TypeLiteral */) && !target.aliasTypeArguments ?
- ts.filter(typeParameters, function (tp) { return isTypeParameterPossiblyReferenced(tp, declaration_1); }) :
- typeParameters;
- links.outerTypeParameters = typeParameters;
- if (typeParameters.length) {
- links.instantiations = ts.createMap();
- links.instantiations.set(getTypeListId(typeParameters), target);
- }
- }
- if (typeParameters.length) {
- // We are instantiating an anonymous type that has one or more type parameters in scope. Apply the
- // mapper to the type parameters to produce the effective list of type arguments, and compute the
- // instantiation cache key from the type IDs of the type arguments.
- var combinedMapper_1 = combineTypeMappers(type.mapper, mapper);
- var typeArguments = ts.map(typeParameters, function (t) { return getMappedType(t, combinedMapper_1); });
- var id = getTypeListId(typeArguments);
- var result = links.instantiations.get(id);
- if (!result) {
- var newMapper = createTypeMapper(typeParameters, typeArguments);
- result = target.objectFlags & 4 /* Reference */ ? createDeferredTypeReference(type.target, type.node, newMapper) :
- target.objectFlags & 32 /* Mapped */ ? instantiateMappedType(target, newMapper) :
- instantiateAnonymousType(target, newMapper);
- links.instantiations.set(id, result);
- }
- return result;
- }
- return type;
- }
- function maybeTypeParameterReference(node) {
- return !(node.kind === 153 /* QualifiedName */ ||
- node.parent.kind === 169 /* TypeReference */ && node.parent.typeArguments && node === node.parent.typeName ||
- node.parent.kind === 188 /* ImportType */ && node.parent.typeArguments && node === node.parent.qualifier);
- }
- function isTypeParameterPossiblyReferenced(tp, node) {
- // If the type parameter doesn't have exactly one declaration, if there are invening statement blocks
- // between the node and the type parameter declaration, if the node contains actual references to the
- // type parameter, or if the node contains type queries, we consider the type parameter possibly referenced.
- if (tp.symbol && tp.symbol.declarations && tp.symbol.declarations.length === 1) {
- var container = tp.symbol.declarations[0].parent;
- for (var n = node; n !== container; n = n.parent) {
- if (!n || n.kind === 223 /* Block */ || n.kind === 180 /* ConditionalType */ && ts.forEachChild(n.extendsType, containsReference)) {
- return true;
- }
- }
- return !!ts.forEachChild(node, containsReference);
- }
- return true;
- function containsReference(node) {
- switch (node.kind) {
- case 183 /* ThisType */:
- return !!tp.isThisType;
- case 75 /* Identifier */:
- return !tp.isThisType && ts.isPartOfTypeNode(node) && maybeTypeParameterReference(node) &&
- getTypeFromTypeNodeWorker(node) === tp; // use worker because we're looking for === equality
- case 172 /* TypeQuery */:
- return true;
- }
- return !!ts.forEachChild(node, containsReference);
- }
- }
- function getHomomorphicTypeVariable(type) {
- var constraintType = getConstraintTypeFromMappedType(type);
- if (constraintType.flags & 4194304 /* Index */) {
- var typeVariable = getActualTypeVariable(constraintType.type);
- if (typeVariable.flags & 262144 /* TypeParameter */) {
- return typeVariable;
- }
- }
- return undefined;
- }
- function instantiateMappedType(type, mapper) {
- // For a homomorphic mapped type { [P in keyof T]: X }, where T is some type variable, the mapping
- // operation depends on T as follows:
- // * If T is a primitive type no mapping is performed and the result is simply T.
- // * If T is a union type we distribute the mapped type over the union.
- // * If T is an array we map to an array where the element type has been transformed.
- // * If T is a tuple we map to a tuple where the element types have been transformed.
- // * Otherwise we map to an object type where the type of each property has been transformed.
- // For example, when T is instantiated to a union type A | B, we produce { [P in keyof A]: X } |
- // { [P in keyof B]: X }, and when when T is instantiated to a union type A | undefined, we produce
- // { [P in keyof A]: X } | undefined.
- var typeVariable = getHomomorphicTypeVariable(type);
- if (typeVariable) {
- var mappedTypeVariable = instantiateType(typeVariable, mapper);
- if (typeVariable !== mappedTypeVariable) {
- return mapType(getReducedType(mappedTypeVariable), function (t) {
- if (t.flags & (3 /* AnyOrUnknown */ | 58982400 /* InstantiableNonPrimitive */ | 524288 /* Object */ | 2097152 /* Intersection */) && t !== wildcardType && t !== errorType) {
- var replacementMapper = prependTypeMapping(typeVariable, t, mapper);
- return isArrayType(t) ? instantiateMappedArrayType(t, type, replacementMapper) :
- isTupleType(t) ? instantiateMappedTupleType(t, type, replacementMapper) :
- instantiateAnonymousType(type, replacementMapper);
- }
- return t;
- });
- }
- }
- return instantiateAnonymousType(type, mapper);
- }
- function getModifiedReadonlyState(state, modifiers) {
- return modifiers & 1 /* IncludeReadonly */ ? true : modifiers & 2 /* ExcludeReadonly */ ? false : state;
- }
- function instantiateMappedArrayType(arrayType, mappedType, mapper) {
- var elementType = instantiateMappedTypeTemplate(mappedType, numberType, /*isOptional*/ true, mapper);
- return elementType === errorType ? errorType :
- createArrayType(elementType, getModifiedReadonlyState(isReadonlyArrayType(arrayType), getMappedTypeModifiers(mappedType)));
- }
- function instantiateMappedTupleType(tupleType, mappedType, mapper) {
- var minLength = tupleType.target.minLength;
- var elementTypes = ts.map(getTypeArguments(tupleType), function (_, i) {
- return instantiateMappedTypeTemplate(mappedType, getLiteralType("" + i), i >= minLength, mapper);
- });
- var modifiers = getMappedTypeModifiers(mappedType);
- var newMinLength = modifiers & 4 /* IncludeOptional */ ? 0 :
- modifiers & 8 /* ExcludeOptional */ ? getTypeReferenceArity(tupleType) - (tupleType.target.hasRestElement ? 1 : 0) :
- minLength;
- var newReadonly = getModifiedReadonlyState(tupleType.target.readonly, modifiers);
- return ts.contains(elementTypes, errorType) ? errorType :
- createTupleType(elementTypes, newMinLength, tupleType.target.hasRestElement, newReadonly, tupleType.target.associatedNames);
- }
- function instantiateMappedTypeTemplate(type, key, isOptional, mapper) {
- var templateMapper = appendTypeMapping(mapper, getTypeParameterFromMappedType(type), key);
- var propType = instantiateType(getTemplateTypeFromMappedType(type.target || type), templateMapper);
- var modifiers = getMappedTypeModifiers(type);
- return strictNullChecks && modifiers & 4 /* IncludeOptional */ && !maybeTypeOfKind(propType, 32768 /* Undefined */ | 16384 /* Void */) ? getOptionalType(propType) :
- strictNullChecks && modifiers & 8 /* ExcludeOptional */ && isOptional ? getTypeWithFacts(propType, 524288 /* NEUndefined */) :
- propType;
- }
- function instantiateAnonymousType(type, mapper) {
- var result = createObjectType(type.objectFlags | 64 /* Instantiated */, type.symbol);
- if (type.objectFlags & 32 /* Mapped */) {
- result.declaration = type.declaration;
- // C.f. instantiateSignature
- var origTypeParameter = getTypeParameterFromMappedType(type);
- var freshTypeParameter = cloneTypeParameter(origTypeParameter);
- result.typeParameter = freshTypeParameter;
- mapper = combineTypeMappers(makeUnaryTypeMapper(origTypeParameter, freshTypeParameter), mapper);
- freshTypeParameter.mapper = mapper;
- }
- result.target = type;
- result.mapper = mapper;
- result.aliasSymbol = type.aliasSymbol;
- result.aliasTypeArguments = instantiateTypes(type.aliasTypeArguments, mapper);
- return result;
- }
- function getConditionalTypeInstantiation(type, mapper) {
- var root = type.root;
- if (root.outerTypeParameters) {
- // We are instantiating a conditional type that has one or more type parameters in scope. Apply the
- // mapper to the type parameters to produce the effective list of type arguments, and compute the
- // instantiation cache key from the type IDs of the type arguments.
- var typeArguments = ts.map(root.outerTypeParameters, function (t) { return getMappedType(t, mapper); });
- var id = getTypeListId(typeArguments);
- var result = root.instantiations.get(id);
- if (!result) {
- var newMapper = createTypeMapper(root.outerTypeParameters, typeArguments);
- result = instantiateConditionalType(root, newMapper);
- root.instantiations.set(id, result);
- }
- return result;
- }
- return type;
- }
- function instantiateConditionalType(root, mapper) {
- // Check if we have a conditional type where the check type is a naked type parameter. If so,
- // the conditional type is distributive over union types and when T is instantiated to a union
- // type A | B, we produce (A extends U ? X : Y) | (B extends U ? X : Y).
- if (root.isDistributive) {
- var checkType_1 = root.checkType;
- var instantiatedType = getMappedType(checkType_1, mapper);
- if (checkType_1 !== instantiatedType && instantiatedType.flags & (1048576 /* Union */ | 131072 /* Never */)) {
- return mapType(instantiatedType, function (t) { return getConditionalType(root, prependTypeMapping(checkType_1, t, mapper)); });
- }
- }
- return getConditionalType(root, mapper);
- }
- function instantiateType(type, mapper) {
- if (!type || !mapper) {
- return type;
- }
- if (instantiationDepth === 50 || instantiationCount >= 5000000) {
- // We have reached 50 recursive type instantiations and there is a very high likelyhood we're dealing
- // with a combination of infinite generic types that perpetually generate new type identities. We stop
- // the recursion here by yielding the error type.
- error(currentNode, ts.Diagnostics.Type_instantiation_is_excessively_deep_and_possibly_infinite);
- return errorType;
- }
- totalInstantiationCount++;
- instantiationCount++;
- instantiationDepth++;
- var result = instantiateTypeWorker(type, mapper);
- instantiationDepth--;
- return result;
- }
- /**
- * This can be used to avoid the penalty on instantiation depth for types which result from immediate
- * simplification. It essentially removes the depth increase done in `instantiateType`.
- */
- function instantiateTypeWithoutDepthIncrease(type, mapper) {
- instantiationDepth--;
- var result = instantiateType(type, mapper);
- instantiationDepth++;
- return result;
- }
- function instantiateTypeWorker(type, mapper) {
- var flags = type.flags;
- if (flags & 262144 /* TypeParameter */) {
- return getMappedType(type, mapper);
- }
- if (flags & 524288 /* Object */) {
- var objectFlags = type.objectFlags;
- if (objectFlags & 16 /* Anonymous */) {
- // If the anonymous type originates in a declaration of a function, method, class, or
- // interface, in an object type literal, or in an object literal expression, we may need
- // to instantiate the type because it might reference a type parameter.
- return couldContainTypeVariables(type) ?
- getObjectTypeInstantiation(type, mapper) : type;
- }
- if (objectFlags & 32 /* Mapped */) {
- return getObjectTypeInstantiation(type, mapper);
- }
- if (objectFlags & 4 /* Reference */) {
- if (type.node) {
- return getObjectTypeInstantiation(type, mapper);
- }
- var resolvedTypeArguments = type.resolvedTypeArguments;
- var newTypeArguments = instantiateTypes(resolvedTypeArguments, mapper);
- return newTypeArguments !== resolvedTypeArguments ? createTypeReference(type.target, newTypeArguments) : type;
- }
- return type;
- }
- if ((flags & 2097152 /* Intersection */) || (flags & 1048576 /* Union */ && !(flags & 131068 /* Primitive */))) {
- if (!couldContainTypeVariables(type)) {
- return type;
- }
- var types = type.types;
- var newTypes = instantiateTypes(types, mapper);
- return newTypes === types
- ? type
- : (flags & 2097152 /* Intersection */)
- ? getIntersectionType(newTypes, type.aliasSymbol, instantiateTypes(type.aliasTypeArguments, mapper))
- : getUnionType(newTypes, 1 /* Literal */, type.aliasSymbol, instantiateTypes(type.aliasTypeArguments, mapper));
- }
- if (flags & 4194304 /* Index */) {
- return getIndexType(instantiateType(type.type, mapper));
- }
- if (flags & 8388608 /* IndexedAccess */) {
- return getIndexedAccessType(instantiateType(type.objectType, mapper), instantiateType(type.indexType, mapper), /*accessNode*/ undefined, type.aliasSymbol, instantiateTypes(type.aliasTypeArguments, mapper));
- }
- if (flags & 16777216 /* Conditional */) {
- return getConditionalTypeInstantiation(type, combineTypeMappers(type.mapper, mapper));
- }
- if (flags & 33554432 /* Substitution */) {
- var maybeVariable = instantiateType(type.baseType, mapper);
- if (maybeVariable.flags & 8650752 /* TypeVariable */) {
- return getSubstitutionType(maybeVariable, instantiateType(type.substitute, mapper));
- }
- else {
- var sub = instantiateType(type.substitute, mapper);
- if (sub.flags & 3 /* AnyOrUnknown */ || isTypeAssignableTo(getRestrictiveInstantiation(maybeVariable), getRestrictiveInstantiation(sub))) {
- return maybeVariable;
- }
- return sub;
- }
- }
- return type;
- }
- function getPermissiveInstantiation(type) {
- return type.flags & (131068 /* Primitive */ | 3 /* AnyOrUnknown */ | 131072 /* Never */) ? type :
- type.permissiveInstantiation || (type.permissiveInstantiation = instantiateType(type, permissiveMapper));
- }
- function getRestrictiveInstantiation(type) {
- if (type.flags & (131068 /* Primitive */ | 3 /* AnyOrUnknown */ | 131072 /* Never */)) {
- return type;
- }
- if (type.restrictiveInstantiation) {
- return type.restrictiveInstantiation;
- }
- type.restrictiveInstantiation = instantiateType(type, restrictiveMapper);
- // We set the following so we don't attempt to set the restrictive instance of a restrictive instance
- // which is redundant - we'll produce new type identities, but all type params have already been mapped.
- // This also gives us a way to detect restrictive instances upon comparisons and _disable_ the "distributeive constraint"
- // assignability check for them, which is distinctly unsafe, as once you have a restrctive instance, all the type parameters
- // are constrained to `unknown` and produce tons of false positives/negatives!
- type.restrictiveInstantiation.restrictiveInstantiation = type.restrictiveInstantiation;
- return type.restrictiveInstantiation;
- }
- function instantiateIndexInfo(info, mapper) {
- return info && createIndexInfo(instantiateType(info.type, mapper), info.isReadonly, info.declaration);
- }
- // Returns true if the given expression contains (at any level of nesting) a function or arrow expression
- // that is subject to contextual typing.
- function isContextSensitive(node) {
- ts.Debug.assert(node.kind !== 161 /* MethodDeclaration */ || ts.isObjectLiteralMethod(node));
- switch (node.kind) {
- case 201 /* FunctionExpression */:
- case 202 /* ArrowFunction */:
- case 161 /* MethodDeclaration */:
- case 244 /* FunctionDeclaration */: // Function declarations can have context when annotated with a jsdoc @type
- return isContextSensitiveFunctionLikeDeclaration(node);
- case 193 /* ObjectLiteralExpression */:
- return ts.some(node.properties, isContextSensitive);
- case 192 /* ArrayLiteralExpression */:
- return ts.some(node.elements, isContextSensitive);
- case 210 /* ConditionalExpression */:
- return isContextSensitive(node.whenTrue) ||
- isContextSensitive(node.whenFalse);
- case 209 /* BinaryExpression */:
- return (node.operatorToken.kind === 56 /* BarBarToken */ || node.operatorToken.kind === 60 /* QuestionQuestionToken */) &&
- (isContextSensitive(node.left) || isContextSensitive(node.right));
- case 281 /* PropertyAssignment */:
- return isContextSensitive(node.initializer);
- case 200 /* ParenthesizedExpression */:
- return isContextSensitive(node.expression);
- case 274 /* JsxAttributes */:
- return ts.some(node.properties, isContextSensitive) || ts.isJsxOpeningElement(node.parent) && ts.some(node.parent.parent.children, isContextSensitive);
- case 273 /* JsxAttribute */: {
- // If there is no initializer, JSX attribute has a boolean value of true which is not context sensitive.
- var initializer = node.initializer;
- return !!initializer && isContextSensitive(initializer);
- }
- case 276 /* JsxExpression */: {
- // It is possible to that node.expression is undefined (e.g <div x={} />)
- var expression = node.expression;
- return !!expression && isContextSensitive(expression);
- }
- }
- return false;
- }
- function isContextSensitiveFunctionLikeDeclaration(node) {
- return (!ts.isFunctionDeclaration(node) || ts.isInJSFile(node) && !!getTypeForDeclarationFromJSDocComment(node)) &&
- (hasContextSensitiveParameters(node) || hasContextSensitiveReturnExpression(node));
- }
- function hasContextSensitiveParameters(node) {
- // Functions with type parameters are not context sensitive.
- if (!node.typeParameters) {
- // Functions with any parameters that lack type annotations are context sensitive.
- if (ts.some(node.parameters, function (p) { return !ts.getEffectiveTypeAnnotationNode(p); })) {
- return true;
- }
- if (node.kind !== 202 /* ArrowFunction */) {
- // If the first parameter is not an explicit 'this' parameter, then the function has
- // an implicit 'this' parameter which is subject to contextual typing.
- var parameter = ts.firstOrUndefined(node.parameters);
- if (!(parameter && ts.parameterIsThisKeyword(parameter))) {
- return true;
- }
- }
- }
- return false;
- }
- function hasContextSensitiveReturnExpression(node) {
- // TODO(anhans): A block should be context-sensitive if it has a context-sensitive return value.
- return !node.typeParameters && !ts.getEffectiveReturnTypeNode(node) && !!node.body && node.body.kind !== 223 /* Block */ && isContextSensitive(node.body);
- }
- function isContextSensitiveFunctionOrObjectLiteralMethod(func) {
- return (ts.isInJSFile(func) && ts.isFunctionDeclaration(func) || isFunctionExpressionOrArrowFunction(func) || ts.isObjectLiteralMethod(func)) &&
- isContextSensitiveFunctionLikeDeclaration(func);
- }
- function getTypeWithoutSignatures(type) {
- if (type.flags & 524288 /* Object */) {
- var resolved = resolveStructuredTypeMembers(type);
- if (resolved.constructSignatures.length || resolved.callSignatures.length) {
- var result = createObjectType(16 /* Anonymous */, type.symbol);
- result.members = resolved.members;
- result.properties = resolved.properties;
- result.callSignatures = ts.emptyArray;
- result.constructSignatures = ts.emptyArray;
- return result;
- }
- }
- else if (type.flags & 2097152 /* Intersection */) {
- return getIntersectionType(ts.map(type.types, getTypeWithoutSignatures));
- }
- return type;
- }
- // TYPE CHECKING
- function isTypeIdenticalTo(source, target) {
- return isTypeRelatedTo(source, target, identityRelation);
- }
- function compareTypesIdentical(source, target) {
- return isTypeRelatedTo(source, target, identityRelation) ? -1 /* True */ : 0 /* False */;
- }
- function compareTypesAssignable(source, target) {
- return isTypeRelatedTo(source, target, assignableRelation) ? -1 /* True */ : 0 /* False */;
- }
- function compareTypesSubtypeOf(source, target) {
- return isTypeRelatedTo(source, target, subtypeRelation) ? -1 /* True */ : 0 /* False */;
- }
- function isTypeSubtypeOf(source, target) {
- return isTypeRelatedTo(source, target, subtypeRelation);
- }
- function isTypeAssignableTo(source, target) {
- return isTypeRelatedTo(source, target, assignableRelation);
- }
- // An object type S is considered to be derived from an object type T if
- // S is a union type and every constituent of S is derived from T,
- // T is a union type and S is derived from at least one constituent of T, or
- // S is a type variable with a base constraint that is derived from T,
- // T is one of the global types Object and Function and S is a subtype of T, or
- // T occurs directly or indirectly in an 'extends' clause of S.
- // Note that this check ignores type parameters and only considers the
- // inheritance hierarchy.
- function isTypeDerivedFrom(source, target) {
- return source.flags & 1048576 /* Union */ ? ts.every(source.types, function (t) { return isTypeDerivedFrom(t, target); }) :
- target.flags & 1048576 /* Union */ ? ts.some(target.types, function (t) { return isTypeDerivedFrom(source, t); }) :
- source.flags & 58982400 /* InstantiableNonPrimitive */ ? isTypeDerivedFrom(getBaseConstraintOfType(source) || unknownType, target) :
- target === globalObjectType ? !!(source.flags & (524288 /* Object */ | 67108864 /* NonPrimitive */)) :
- target === globalFunctionType ? !!(source.flags & 524288 /* Object */) && isFunctionObjectType(source) :
- hasBaseType(source, getTargetType(target));
- }
- /**
- * This is *not* a bi-directional relationship.
- * If one needs to check both directions for comparability, use a second call to this function or 'checkTypeComparableTo'.
- *
- * A type S is comparable to a type T if some (but not necessarily all) of the possible values of S are also possible values of T.
- * It is used to check following cases:
- * - the types of the left and right sides of equality/inequality operators (`===`, `!==`, `==`, `!=`).
- * - the types of `case` clause expressions and their respective `switch` expressions.
- * - the type of an expression in a type assertion with the type being asserted.
- */
- function isTypeComparableTo(source, target) {
- return isTypeRelatedTo(source, target, comparableRelation);
- }
- function areTypesComparable(type1, type2) {
- return isTypeComparableTo(type1, type2) || isTypeComparableTo(type2, type1);
- }
- function checkTypeAssignableTo(source, target, errorNode, headMessage, containingMessageChain, errorOutputObject) {
- return checkTypeRelatedTo(source, target, assignableRelation, errorNode, headMessage, containingMessageChain, errorOutputObject);
- }
- /**
- * Like `checkTypeAssignableTo`, but if it would issue an error, instead performs structural comparisons of the types using the given expression node to
- * attempt to issue more specific errors on, for example, specific object literal properties or tuple members.
- */
- function checkTypeAssignableToAndOptionallyElaborate(source, target, errorNode, expr, headMessage, containingMessageChain) {
- return checkTypeRelatedToAndOptionallyElaborate(source, target, assignableRelation, errorNode, expr, headMessage, containingMessageChain, /*errorOutputContainer*/ undefined);
- }
- function checkTypeRelatedToAndOptionallyElaborate(source, target, relation, errorNode, expr, headMessage, containingMessageChain, errorOutputContainer) {
- if (isTypeRelatedTo(source, target, relation))
- return true;
- if (!errorNode || !elaborateError(expr, source, target, relation, headMessage, containingMessageChain, errorOutputContainer)) {
- return checkTypeRelatedTo(source, target, relation, errorNode, headMessage, containingMessageChain, errorOutputContainer);
- }
- return false;
- }
- function isOrHasGenericConditional(type) {
- return !!(type.flags & 16777216 /* Conditional */ || (type.flags & 2097152 /* Intersection */ && ts.some(type.types, isOrHasGenericConditional)));
- }
- function elaborateError(node, source, target, relation, headMessage, containingMessageChain, errorOutputContainer) {
- if (!node || isOrHasGenericConditional(target))
- return false;
- if (!checkTypeRelatedTo(source, target, relation, /*errorNode*/ undefined)
- && elaborateDidYouMeanToCallOrConstruct(node, source, target, relation, headMessage, containingMessageChain, errorOutputContainer)) {
- return true;
- }
- switch (node.kind) {
- case 276 /* JsxExpression */:
- case 200 /* ParenthesizedExpression */:
- return elaborateError(node.expression, source, target, relation, headMessage, containingMessageChain, errorOutputContainer);
- case 209 /* BinaryExpression */:
- switch (node.operatorToken.kind) {
- case 62 /* EqualsToken */:
- case 27 /* CommaToken */:
- return elaborateError(node.right, source, target, relation, headMessage, containingMessageChain, errorOutputContainer);
- }
- break;
- case 193 /* ObjectLiteralExpression */:
- return elaborateObjectLiteral(node, source, target, relation, containingMessageChain, errorOutputContainer);
- case 192 /* ArrayLiteralExpression */:
- return elaborateArrayLiteral(node, source, target, relation, containingMessageChain, errorOutputContainer);
- case 274 /* JsxAttributes */:
- return elaborateJsxComponents(node, source, target, relation, containingMessageChain, errorOutputContainer);
- case 202 /* ArrowFunction */:
- return elaborateArrowFunction(node, source, target, relation, containingMessageChain, errorOutputContainer);
- }
- return false;
- }
- function elaborateDidYouMeanToCallOrConstruct(node, source, target, relation, headMessage, containingMessageChain, errorOutputContainer) {
- var callSignatures = getSignaturesOfType(source, 0 /* Call */);
- var constructSignatures = getSignaturesOfType(source, 1 /* Construct */);
- for (var _i = 0, _a = [constructSignatures, callSignatures]; _i < _a.length; _i++) {
- var signatures = _a[_i];
- if (ts.some(signatures, function (s) {
- var returnType = getReturnTypeOfSignature(s);
- return !(returnType.flags & (1 /* Any */ | 131072 /* Never */)) && checkTypeRelatedTo(returnType, target, relation, /*errorNode*/ undefined);
- })) {
- var resultObj = errorOutputContainer || {};
- checkTypeAssignableTo(source, target, node, headMessage, containingMessageChain, resultObj);
- var diagnostic = resultObj.errors[resultObj.errors.length - 1];
- ts.addRelatedInfo(diagnostic, ts.createDiagnosticForNode(node, signatures === constructSignatures ? ts.Diagnostics.Did_you_mean_to_use_new_with_this_expression : ts.Diagnostics.Did_you_mean_to_call_this_expression));
- return true;
- }
- }
- return false;
- }
- function elaborateArrowFunction(node, source, target, relation, containingMessageChain, errorOutputContainer) {
- // Don't elaborate blocks
- if (ts.isBlock(node.body)) {
- return false;
- }
- // Or functions with annotated parameter types
- if (ts.some(node.parameters, ts.hasType)) {
- return false;
- }
- var sourceSig = getSingleCallSignature(source);
- if (!sourceSig) {
- return false;
- }
- var targetSignatures = getSignaturesOfType(target, 0 /* Call */);
- if (!ts.length(targetSignatures)) {
- return false;
- }
- var returnExpression = node.body;
- var sourceReturn = getReturnTypeOfSignature(sourceSig);
- var targetReturn = getUnionType(ts.map(targetSignatures, getReturnTypeOfSignature));
- if (!checkTypeRelatedTo(sourceReturn, targetReturn, relation, /*errorNode*/ undefined)) {
- var elaborated = returnExpression && elaborateError(returnExpression, sourceReturn, targetReturn, relation, /*headMessage*/ undefined, containingMessageChain, errorOutputContainer);
- if (elaborated) {
- return elaborated;
- }
- var resultObj = errorOutputContainer || {};
- checkTypeRelatedTo(sourceReturn, targetReturn, relation, returnExpression, /*message*/ undefined, containingMessageChain, resultObj);
- if (resultObj.errors) {
- if (target.symbol && ts.length(target.symbol.declarations)) {
- ts.addRelatedInfo(resultObj.errors[resultObj.errors.length - 1], ts.createDiagnosticForNode(target.symbol.declarations[0], ts.Diagnostics.The_expected_type_comes_from_the_return_type_of_this_signature));
- }
- if ((ts.getFunctionFlags(node) & 2 /* Async */) === 0
- // exclude cases where source itself is promisy - this way we don't make a suggestion when relating
- // an IPromise and a Promise that are slightly different
- && !getTypeOfPropertyOfType(sourceReturn, "then")
- && checkTypeRelatedTo(createPromiseType(sourceReturn), targetReturn, relation, /*errorNode*/ undefined)) {
- ts.addRelatedInfo(resultObj.errors[resultObj.errors.length - 1], ts.createDiagnosticForNode(node, ts.Diagnostics.Did_you_mean_to_mark_this_function_as_async));
- }
- return true;
- }
- }
- return false;
- }
- function getBestMatchIndexedAccessTypeOrUndefined(source, target, nameType) {
- var idx = getIndexedAccessTypeOrUndefined(target, nameType);
- if (idx) {
- return idx;
- }
- if (target.flags & 1048576 /* Union */) {
- var best = getBestMatchingType(source, target);
- if (best) {
- return getIndexedAccessTypeOrUndefined(best, nameType);
- }
- }
- }
- function checkExpressionForMutableLocationWithContextualType(next, sourcePropType) {
- next.contextualType = sourcePropType;
- try {
- return checkExpressionForMutableLocation(next, 1 /* Contextual */, sourcePropType);
- }
- finally {
- next.contextualType = undefined;
- }
- }
- /**
- * For every element returned from the iterator, checks that element to issue an error on a property of that element's type
- * If that element would issue an error, we first attempt to dive into that element's inner expression and issue a more specific error by recuring into `elaborateError`
- * Otherwise, we issue an error on _every_ element which fail the assignability check
- */
- function elaborateElementwise(iterator, source, target, relation, containingMessageChain, errorOutputContainer) {
- // Assignability failure - check each prop individually, and if that fails, fall back on the bad error span
- var reportedError = false;
- for (var status = iterator.next(); !status.done; status = iterator.next()) {
- var _a = status.value, prop = _a.errorNode, next = _a.innerExpression, nameType = _a.nameType, errorMessage = _a.errorMessage;
- var targetPropType = getBestMatchIndexedAccessTypeOrUndefined(source, target, nameType);
- if (!targetPropType || targetPropType.flags & 8388608 /* IndexedAccess */)
- continue; // Don't elaborate on indexes on generic variables
- var sourcePropType = getIndexedAccessTypeOrUndefined(source, nameType);
- if (sourcePropType && !checkTypeRelatedTo(sourcePropType, targetPropType, relation, /*errorNode*/ undefined)) {
- var elaborated = next && elaborateError(next, sourcePropType, targetPropType, relation, /*headMessage*/ undefined, containingMessageChain, errorOutputContainer);
- if (elaborated) {
- reportedError = true;
- }
- else {
- // Issue error on the prop itself, since the prop couldn't elaborate the error
- var resultObj = errorOutputContainer || {};
- // Use the expression type, if available
- var specificSource = next ? checkExpressionForMutableLocationWithContextualType(next, sourcePropType) : sourcePropType;
- var result = checkTypeRelatedTo(specificSource, targetPropType, relation, prop, errorMessage, containingMessageChain, resultObj);
- if (result && specificSource !== sourcePropType) {
- // If for whatever reason the expression type doesn't yield an error, make sure we still issue an error on the sourcePropType
- checkTypeRelatedTo(sourcePropType, targetPropType, relation, prop, errorMessage, containingMessageChain, resultObj);
- }
- if (resultObj.errors) {
- var reportedDiag = resultObj.errors[resultObj.errors.length - 1];
- var propertyName = isTypeUsableAsPropertyName(nameType) ? getPropertyNameFromType(nameType) : undefined;
- var targetProp = propertyName !== undefined ? getPropertyOfType(target, propertyName) : undefined;
- var issuedElaboration = false;
- if (!targetProp) {
- var indexInfo = isTypeAssignableToKind(nameType, 296 /* NumberLike */) && getIndexInfoOfType(target, 1 /* Number */) ||
- getIndexInfoOfType(target, 0 /* String */) ||
- undefined;
- if (indexInfo && indexInfo.declaration && !ts.getSourceFileOfNode(indexInfo.declaration).hasNoDefaultLib) {
- issuedElaboration = true;
- ts.addRelatedInfo(reportedDiag, ts.createDiagnosticForNode(indexInfo.declaration, ts.Diagnostics.The_expected_type_comes_from_this_index_signature));
- }
- }
- if (!issuedElaboration && (targetProp && ts.length(targetProp.declarations) || target.symbol && ts.length(target.symbol.declarations))) {
- var targetNode = targetProp && ts.length(targetProp.declarations) ? targetProp.declarations[0] : target.symbol.declarations[0];
- if (!ts.getSourceFileOfNode(targetNode).hasNoDefaultLib) {
- ts.addRelatedInfo(reportedDiag, ts.createDiagnosticForNode(targetNode, ts.Diagnostics.The_expected_type_comes_from_property_0_which_is_declared_here_on_type_1, propertyName && !(nameType.flags & 8192 /* UniqueESSymbol */) ? ts.unescapeLeadingUnderscores(propertyName) : typeToString(nameType), typeToString(target)));
- }
- }
- }
- reportedError = true;
- }
- }
- }
- return reportedError;
- }
- function generateJsxAttributes(node) {
- var _i, _a, prop;
- return __generator(this, function (_b) {
- switch (_b.label) {
- case 0:
- if (!ts.length(node.properties))
- return [2 /*return*/];
- _i = 0, _a = node.properties;
- _b.label = 1;
- case 1:
- if (!(_i < _a.length)) return [3 /*break*/, 4];
- prop = _a[_i];
- if (ts.isJsxSpreadAttribute(prop))
- return [3 /*break*/, 3];
- return [4 /*yield*/, { errorNode: prop.name, innerExpression: prop.initializer, nameType: getLiteralType(ts.idText(prop.name)) }];
- case 2:
- _b.sent();
- _b.label = 3;
- case 3:
- _i++;
- return [3 /*break*/, 1];
- case 4: return [2 /*return*/];
- }
- });
- }
- function generateJsxChildren(node, getInvalidTextDiagnostic) {
- var memberOffset, i, child, nameType, elem;
- return __generator(this, function (_a) {
- switch (_a.label) {
- case 0:
- if (!ts.length(node.children))
- return [2 /*return*/];
- memberOffset = 0;
- i = 0;
- _a.label = 1;
- case 1:
- if (!(i < node.children.length)) return [3 /*break*/, 5];
- child = node.children[i];
- nameType = getLiteralType(i - memberOffset);
- elem = getElaborationElementForJsxChild(child, nameType, getInvalidTextDiagnostic);
- if (!elem) return [3 /*break*/, 3];
- return [4 /*yield*/, elem];
- case 2:
- _a.sent();
- return [3 /*break*/, 4];
- case 3:
- memberOffset++;
- _a.label = 4;
- case 4:
- i++;
- return [3 /*break*/, 1];
- case 5: return [2 /*return*/];
- }
- });
- }
- function getElaborationElementForJsxChild(child, nameType, getInvalidTextDiagnostic) {
- switch (child.kind) {
- case 276 /* JsxExpression */:
- // child is of the type of the expression
- return { errorNode: child, innerExpression: child.expression, nameType: nameType };
- case 11 /* JsxText */:
- if (child.containsOnlyTriviaWhiteSpaces) {
- break; // Whitespace only jsx text isn't real jsx text
- }
- // child is a string
- return { errorNode: child, innerExpression: undefined, nameType: nameType, errorMessage: getInvalidTextDiagnostic() };
- case 266 /* JsxElement */:
- case 267 /* JsxSelfClosingElement */:
- case 270 /* JsxFragment */:
- // child is of type JSX.Element
- return { errorNode: child, innerExpression: child, nameType: nameType };
- default:
- return ts.Debug.assertNever(child, "Found invalid jsx child");
- }
- }
- function getSemanticJsxChildren(children) {
- return ts.filter(children, function (i) { return !ts.isJsxText(i) || !i.containsOnlyTriviaWhiteSpaces; });
- }
- function elaborateJsxComponents(node, source, target, relation, containingMessageChain, errorOutputContainer) {
- var result = elaborateElementwise(generateJsxAttributes(node), source, target, relation, containingMessageChain, errorOutputContainer);
- var invalidTextDiagnostic;
- if (ts.isJsxOpeningElement(node.parent) && ts.isJsxElement(node.parent.parent)) {
- var containingElement = node.parent.parent;
- var childPropName = getJsxElementChildrenPropertyName(getJsxNamespaceAt(node));
- var childrenPropName = childPropName === undefined ? "children" : ts.unescapeLeadingUnderscores(childPropName);
- var childrenNameType = getLiteralType(childrenPropName);
- var childrenTargetType = getIndexedAccessType(target, childrenNameType);
- var validChildren = getSemanticJsxChildren(containingElement.children);
- if (!ts.length(validChildren)) {
- return result;
- }
- var moreThanOneRealChildren = ts.length(validChildren) > 1;
- var arrayLikeTargetParts = filterType(childrenTargetType, isArrayOrTupleLikeType);
- var nonArrayLikeTargetParts = filterType(childrenTargetType, function (t) { return !isArrayOrTupleLikeType(t); });
- if (moreThanOneRealChildren) {
- if (arrayLikeTargetParts !== neverType) {
- var realSource = createTupleType(checkJsxChildren(containingElement, 0 /* Normal */));
- var children = generateJsxChildren(containingElement, getInvalidTextualChildDiagnostic);
- result = elaborateElementwise(children, realSource, arrayLikeTargetParts, relation, containingMessageChain, errorOutputContainer) || result;
- }
- else if (!isTypeRelatedTo(getIndexedAccessType(source, childrenNameType), childrenTargetType, relation)) {
- // arity mismatch
- result = true;
- var diag = error(containingElement.openingElement.tagName, ts.Diagnostics.This_JSX_tag_s_0_prop_expects_a_single_child_of_type_1_but_multiple_children_were_provided, childrenPropName, typeToString(childrenTargetType));
- if (errorOutputContainer && errorOutputContainer.skipLogging) {
- (errorOutputContainer.errors || (errorOutputContainer.errors = [])).push(diag);
- }
- }
- }
- else {
- if (nonArrayLikeTargetParts !== neverType) {
- var child = validChildren[0];
- var elem_1 = getElaborationElementForJsxChild(child, childrenNameType, getInvalidTextualChildDiagnostic);
- if (elem_1) {
- result = elaborateElementwise((function () { return __generator(this, function (_a) {
- switch (_a.label) {
- case 0: return [4 /*yield*/, elem_1];
- case 1:
- _a.sent();
- return [2 /*return*/];
- }
- }); })(), source, target, relation, containingMessageChain, errorOutputContainer) || result;
- }
- }
- else if (!isTypeRelatedTo(getIndexedAccessType(source, childrenNameType), childrenTargetType, relation)) {
- // arity mismatch
- result = true;
- var diag = error(containingElement.openingElement.tagName, ts.Diagnostics.This_JSX_tag_s_0_prop_expects_type_1_which_requires_multiple_children_but_only_a_single_child_was_provided, childrenPropName, typeToString(childrenTargetType));
- if (errorOutputContainer && errorOutputContainer.skipLogging) {
- (errorOutputContainer.errors || (errorOutputContainer.errors = [])).push(diag);
- }
- }
- }
- }
- return result;
- function getInvalidTextualChildDiagnostic() {
- if (!invalidTextDiagnostic) {
- var tagNameText = ts.getTextOfNode(node.parent.tagName);
- var childPropName = getJsxElementChildrenPropertyName(getJsxNamespaceAt(node));
- var childrenPropName = childPropName === undefined ? "children" : ts.unescapeLeadingUnderscores(childPropName);
- var childrenTargetType = getIndexedAccessType(target, getLiteralType(childrenPropName));
- var diagnostic = ts.Diagnostics._0_components_don_t_accept_text_as_child_elements_Text_in_JSX_has_the_type_string_but_the_expected_type_of_1_is_2;
- invalidTextDiagnostic = __assign(__assign({}, diagnostic), { key: "!!ALREADY FORMATTED!!", message: ts.formatMessage(/*_dummy*/ undefined, diagnostic, tagNameText, childrenPropName, typeToString(childrenTargetType)) });
- }
- return invalidTextDiagnostic;
- }
- }
- function generateLimitedTupleElements(node, target) {
- var len, i, elem, nameType;
- return __generator(this, function (_a) {
- switch (_a.label) {
- case 0:
- len = ts.length(node.elements);
- if (!len)
- return [2 /*return*/];
- i = 0;
- _a.label = 1;
- case 1:
- if (!(i < len)) return [3 /*break*/, 4];
- // Skip elements which do not exist in the target - a length error on the tuple overall is likely better than an error on a mismatched index signature
- if (isTupleLikeType(target) && !getPropertyOfType(target, ("" + i)))
- return [3 /*break*/, 3];
- elem = node.elements[i];
- if (ts.isOmittedExpression(elem))
- return [3 /*break*/, 3];
- nameType = getLiteralType(i);
- return [4 /*yield*/, { errorNode: elem, innerExpression: elem, nameType: nameType }];
- case 2:
- _a.sent();
- _a.label = 3;
- case 3:
- i++;
- return [3 /*break*/, 1];
- case 4: return [2 /*return*/];
- }
- });
- }
- function elaborateArrayLiteral(node, source, target, relation, containingMessageChain, errorOutputContainer) {
- if (target.flags & 131068 /* Primitive */)
- return false;
- if (isTupleLikeType(source)) {
- return elaborateElementwise(generateLimitedTupleElements(node, target), source, target, relation, containingMessageChain, errorOutputContainer);
- }
- // recreate a tuple from the elements, if possible
- // Since we're re-doing the expression type, we need to reapply the contextual type
- var oldContext = node.contextualType;
- node.contextualType = target;
- try {
- var tupleizedType = checkArrayLiteral(node, 1 /* Contextual */, /*forceTuple*/ true);
- node.contextualType = oldContext;
- if (isTupleLikeType(tupleizedType)) {
- return elaborateElementwise(generateLimitedTupleElements(node, target), tupleizedType, target, relation, containingMessageChain, errorOutputContainer);
- }
- return false;
- }
- finally {
- node.contextualType = oldContext;
- }
- }
- function generateObjectLiteralElements(node) {
- var _i, _a, prop, type, _b;
- return __generator(this, function (_c) {
- switch (_c.label) {
- case 0:
- if (!ts.length(node.properties))
- return [2 /*return*/];
- _i = 0, _a = node.properties;
- _c.label = 1;
- case 1:
- if (!(_i < _a.length)) return [3 /*break*/, 8];
- prop = _a[_i];
- if (ts.isSpreadAssignment(prop))
- return [3 /*break*/, 7];
- type = getLiteralTypeFromProperty(getSymbolOfNode(prop), 8576 /* StringOrNumberLiteralOrUnique */);
- if (!type || (type.flags & 131072 /* Never */)) {
- return [3 /*break*/, 7];
- }
- _b = prop.kind;
- switch (_b) {
- case 164 /* SetAccessor */: return [3 /*break*/, 2];
- case 163 /* GetAccessor */: return [3 /*break*/, 2];
- case 161 /* MethodDeclaration */: return [3 /*break*/, 2];
- case 282 /* ShorthandPropertyAssignment */: return [3 /*break*/, 2];
- case 281 /* PropertyAssignment */: return [3 /*break*/, 4];
- }
- return [3 /*break*/, 6];
- case 2: return [4 /*yield*/, { errorNode: prop.name, innerExpression: undefined, nameType: type }];
- case 3:
- _c.sent();
- return [3 /*break*/, 7];
- case 4: return [4 /*yield*/, { errorNode: prop.name, innerExpression: prop.initializer, nameType: type, errorMessage: ts.isComputedNonLiteralName(prop.name) ? ts.Diagnostics.Type_of_computed_property_s_value_is_0_which_is_not_assignable_to_type_1 : undefined }];
- case 5:
- _c.sent();
- return [3 /*break*/, 7];
- case 6:
- ts.Debug.assertNever(prop);
- _c.label = 7;
- case 7:
- _i++;
- return [3 /*break*/, 1];
- case 8: return [2 /*return*/];
- }
- });
- }
- function elaborateObjectLiteral(node, source, target, relation, containingMessageChain, errorOutputContainer) {
- if (target.flags & 131068 /* Primitive */)
- return false;
- return elaborateElementwise(generateObjectLiteralElements(node), source, target, relation, containingMessageChain, errorOutputContainer);
- }
- /**
- * This is *not* a bi-directional relationship.
- * If one needs to check both directions for comparability, use a second call to this function or 'isTypeComparableTo'.
- */
- function checkTypeComparableTo(source, target, errorNode, headMessage, containingMessageChain) {
- return checkTypeRelatedTo(source, target, comparableRelation, errorNode, headMessage, containingMessageChain);
- }
- function isSignatureAssignableTo(source, target, ignoreReturnTypes) {
- return compareSignaturesRelated(source, target, ignoreReturnTypes ? 4 /* IgnoreReturnTypes */ : 0, /*reportErrors*/ false,
- /*errorReporter*/ undefined, /*errorReporter*/ undefined, compareTypesAssignable, /*reportUnreliableMarkers*/ undefined) !== 0 /* False */;
- }
- /**
- * Returns true if `s` is `(...args: any[]) => any` or `(this: any, ...args: any[]) => any`
- */
- function isAnySignature(s) {
- return !s.typeParameters && (!s.thisParameter || isTypeAny(getTypeOfParameter(s.thisParameter))) && s.parameters.length === 1 &&
- signatureHasRestParameter(s) && (getTypeOfParameter(s.parameters[0]) === anyArrayType || isTypeAny(getTypeOfParameter(s.parameters[0]))) &&
- isTypeAny(getReturnTypeOfSignature(s));
- }
- /**
- * See signatureRelatedTo, compareSignaturesIdentical
- */
- function compareSignaturesRelated(source, target, checkMode, reportErrors, errorReporter, incompatibleErrorReporter, compareTypes, reportUnreliableMarkers) {
- // TODO (drosen): De-duplicate code between related functions.
- if (source === target) {
- return -1 /* True */;
- }
- if (isAnySignature(target)) {
- return -1 /* True */;
- }
- var targetCount = getParameterCount(target);
- var sourceHasMoreParameters = !hasEffectiveRestParameter(target) &&
- (checkMode & 8 /* StrictArity */ ? hasEffectiveRestParameter(source) || getParameterCount(source) > targetCount : getMinArgumentCount(source) > targetCount);
- if (sourceHasMoreParameters) {
- return 0 /* False */;
- }
- if (source.typeParameters && source.typeParameters !== target.typeParameters) {
- target = getCanonicalSignature(target);
- source = instantiateSignatureInContextOf(source, target, /*inferenceContext*/ undefined, compareTypes);
- }
- var sourceCount = getParameterCount(source);
- var sourceRestType = getNonArrayRestType(source);
- var targetRestType = getNonArrayRestType(target);
- if (sourceRestType || targetRestType) {
- void instantiateType(sourceRestType || targetRestType, reportUnreliableMarkers);
- }
- if (sourceRestType && targetRestType && sourceCount !== targetCount) {
- // We're not able to relate misaligned complex rest parameters
- return 0 /* False */;
- }
- var kind = target.declaration ? target.declaration.kind : 0 /* Unknown */;
- var strictVariance = !(checkMode & 3 /* Callback */) && strictFunctionTypes && kind !== 161 /* MethodDeclaration */ &&
- kind !== 160 /* MethodSignature */ && kind !== 162 /* Constructor */;
- var result = -1 /* True */;
- var sourceThisType = getThisTypeOfSignature(source);
- if (sourceThisType && sourceThisType !== voidType) {
- var targetThisType = getThisTypeOfSignature(target);
- if (targetThisType) {
- // void sources are assignable to anything.
- var related = !strictVariance && compareTypes(sourceThisType, targetThisType, /*reportErrors*/ false)
- || compareTypes(targetThisType, sourceThisType, reportErrors);
- if (!related) {
- if (reportErrors) {
- errorReporter(ts.Diagnostics.The_this_types_of_each_signature_are_incompatible);
- }
- return 0 /* False */;
- }
- result &= related;
- }
- }
- var paramCount = sourceRestType || targetRestType ? Math.min(sourceCount, targetCount) : Math.max(sourceCount, targetCount);
- var restIndex = sourceRestType || targetRestType ? paramCount - 1 : -1;
- for (var i = 0; i < paramCount; i++) {
- var sourceType = i === restIndex ? getRestTypeAtPosition(source, i) : getTypeAtPosition(source, i);
- var targetType = i === restIndex ? getRestTypeAtPosition(target, i) : getTypeAtPosition(target, i);
- // In order to ensure that any generic type Foo<T> is at least co-variant with respect to T no matter
- // how Foo uses T, we need to relate parameters bi-variantly (given that parameters are input positions,
- // they naturally relate only contra-variantly). However, if the source and target parameters both have
- // function types with a single call signature, we know we are relating two callback parameters. In
- // that case it is sufficient to only relate the parameters of the signatures co-variantly because,
- // similar to return values, callback parameters are output positions. This means that a Promise<T>,
- // where T is used only in callback parameter positions, will be co-variant (as opposed to bi-variant)
- // with respect to T.
- var sourceSig = checkMode & 3 /* Callback */ ? undefined : getSingleCallSignature(getNonNullableType(sourceType));
- var targetSig = checkMode & 3 /* Callback */ ? undefined : getSingleCallSignature(getNonNullableType(targetType));
- var callbacks = sourceSig && targetSig && !getTypePredicateOfSignature(sourceSig) && !getTypePredicateOfSignature(targetSig) &&
- (getFalsyFlags(sourceType) & 98304 /* Nullable */) === (getFalsyFlags(targetType) & 98304 /* Nullable */);
- var related = callbacks ?
- compareSignaturesRelated(targetSig, sourceSig, (checkMode & 8 /* StrictArity */) | (strictVariance ? 2 /* StrictCallback */ : 1 /* BivariantCallback */), reportErrors, errorReporter, incompatibleErrorReporter, compareTypes, reportUnreliableMarkers) :
- !(checkMode & 3 /* Callback */) && !strictVariance && compareTypes(sourceType, targetType, /*reportErrors*/ false) || compareTypes(targetType, sourceType, reportErrors);
- // With strict arity, (x: number | undefined) => void is a subtype of (x?: number | undefined) => void
- if (related && checkMode & 8 /* StrictArity */ && i >= getMinArgumentCount(source) && i < getMinArgumentCount(target) && compareTypes(sourceType, targetType, /*reportErrors*/ false)) {
- related = 0 /* False */;
- }
- if (!related) {
- if (reportErrors) {
- errorReporter(ts.Diagnostics.Types_of_parameters_0_and_1_are_incompatible, ts.unescapeLeadingUnderscores(getParameterNameAtPosition(source, i)), ts.unescapeLeadingUnderscores(getParameterNameAtPosition(target, i)));
- }
- return 0 /* False */;
- }
- result &= related;
- }
- if (!(checkMode & 4 /* IgnoreReturnTypes */)) {
- // If a signature resolution is already in-flight, skip issuing a circularity error
- // here and just use the `any` type directly
- var targetReturnType = isResolvingReturnTypeOfSignature(target) ? anyType
- : target.declaration && isJSConstructor(target.declaration) ? getDeclaredTypeOfClassOrInterface(getMergedSymbol(target.declaration.symbol))
- : getReturnTypeOfSignature(target);
- if (targetReturnType === voidType) {
- return result;
- }
- var sourceReturnType = isResolvingReturnTypeOfSignature(source) ? anyType
- : source.declaration && isJSConstructor(source.declaration) ? getDeclaredTypeOfClassOrInterface(getMergedSymbol(source.declaration.symbol))
- : getReturnTypeOfSignature(source);
- // The following block preserves behavior forbidding boolean returning functions from being assignable to type guard returning functions
- var targetTypePredicate = getTypePredicateOfSignature(target);
- if (targetTypePredicate) {
- var sourceTypePredicate = getTypePredicateOfSignature(source);
- if (sourceTypePredicate) {
- result &= compareTypePredicateRelatedTo(sourceTypePredicate, targetTypePredicate, reportErrors, errorReporter, compareTypes);
- }
- else if (ts.isIdentifierTypePredicate(targetTypePredicate)) {
- if (reportErrors) {
- errorReporter(ts.Diagnostics.Signature_0_must_be_a_type_predicate, signatureToString(source));
- }
- return 0 /* False */;
- }
- }
- else {
- // When relating callback signatures, we still need to relate return types bi-variantly as otherwise
- // the containing type wouldn't be co-variant. For example, interface Foo<T> { add(cb: () => T): void }
- // wouldn't be co-variant for T without this rule.
- result &= checkMode & 1 /* BivariantCallback */ && compareTypes(targetReturnType, sourceReturnType, /*reportErrors*/ false) ||
- compareTypes(sourceReturnType, targetReturnType, reportErrors);
- if (!result && reportErrors && incompatibleErrorReporter) {
- incompatibleErrorReporter(sourceReturnType, targetReturnType);
- }
- }
- }
- return result;
- }
- function compareTypePredicateRelatedTo(source, target, reportErrors, errorReporter, compareTypes) {
- if (source.kind !== target.kind) {
- if (reportErrors) {
- errorReporter(ts.Diagnostics.A_this_based_type_guard_is_not_compatible_with_a_parameter_based_type_guard);
- errorReporter(ts.Diagnostics.Type_predicate_0_is_not_assignable_to_1, typePredicateToString(source), typePredicateToString(target));
- }
- return 0 /* False */;
- }
- if (source.kind === 1 /* Identifier */ || source.kind === 3 /* AssertsIdentifier */) {
- if (source.parameterIndex !== target.parameterIndex) {
- if (reportErrors) {
- errorReporter(ts.Diagnostics.Parameter_0_is_not_in_the_same_position_as_parameter_1, source.parameterName, target.parameterName);
- errorReporter(ts.Diagnostics.Type_predicate_0_is_not_assignable_to_1, typePredicateToString(source), typePredicateToString(target));
- }
- return 0 /* False */;
- }
- }
- var related = source.type === target.type ? -1 /* True */ :
- source.type && target.type ? compareTypes(source.type, target.type, reportErrors) :
- 0 /* False */;
- if (related === 0 /* False */ && reportErrors) {
- errorReporter(ts.Diagnostics.Type_predicate_0_is_not_assignable_to_1, typePredicateToString(source), typePredicateToString(target));
- }
- return related;
- }
- function isImplementationCompatibleWithOverload(implementation, overload) {
- var erasedSource = getErasedSignature(implementation);
- var erasedTarget = getErasedSignature(overload);
- // First see if the return types are compatible in either direction.
- var sourceReturnType = getReturnTypeOfSignature(erasedSource);
- var targetReturnType = getReturnTypeOfSignature(erasedTarget);
- if (targetReturnType === voidType
- || isTypeRelatedTo(targetReturnType, sourceReturnType, assignableRelation)
- || isTypeRelatedTo(sourceReturnType, targetReturnType, assignableRelation)) {
- return isSignatureAssignableTo(erasedSource, erasedTarget, /*ignoreReturnTypes*/ true);
- }
- return false;
- }
- function isEmptyResolvedType(t) {
- return t !== anyFunctionType &&
- t.properties.length === 0 &&
- t.callSignatures.length === 0 &&
- t.constructSignatures.length === 0 &&
- !t.stringIndexInfo &&
- !t.numberIndexInfo;
- }
- function isEmptyObjectType(type) {
- return type.flags & 524288 /* Object */ ? !isGenericMappedType(type) && isEmptyResolvedType(resolveStructuredTypeMembers(type)) :
- type.flags & 67108864 /* NonPrimitive */ ? true :
- type.flags & 1048576 /* Union */ ? ts.some(type.types, isEmptyObjectType) :
- type.flags & 2097152 /* Intersection */ ? ts.every(type.types, isEmptyObjectType) :
- false;
- }
- function isEmptyAnonymousObjectType(type) {
- return !!(ts.getObjectFlags(type) & 16 /* Anonymous */) && isEmptyObjectType(type);
- }
- function isStringIndexSignatureOnlyType(type) {
- return type.flags & 524288 /* Object */ && !isGenericMappedType(type) && getPropertiesOfType(type).length === 0 && getIndexInfoOfType(type, 0 /* String */) && !getIndexInfoOfType(type, 1 /* Number */) ||
- type.flags & 3145728 /* UnionOrIntersection */ && ts.every(type.types, isStringIndexSignatureOnlyType) ||
- false;
- }
- function isEnumTypeRelatedTo(sourceSymbol, targetSymbol, errorReporter) {
- if (sourceSymbol === targetSymbol) {
- return true;
- }
- var id = getSymbolId(sourceSymbol) + "," + getSymbolId(targetSymbol);
- var entry = enumRelation.get(id);
- if (entry !== undefined && !(!(entry & 4 /* Reported */) && entry & 2 /* Failed */ && errorReporter)) {
- return !!(entry & 1 /* Succeeded */);
- }
- if (sourceSymbol.escapedName !== targetSymbol.escapedName || !(sourceSymbol.flags & 256 /* RegularEnum */) || !(targetSymbol.flags & 256 /* RegularEnum */)) {
- enumRelation.set(id, 2 /* Failed */ | 4 /* Reported */);
- return false;
- }
- var targetEnumType = getTypeOfSymbol(targetSymbol);
- for (var _i = 0, _a = getPropertiesOfType(getTypeOfSymbol(sourceSymbol)); _i < _a.length; _i++) {
- var property = _a[_i];
- if (property.flags & 8 /* EnumMember */) {
- var targetProperty = getPropertyOfType(targetEnumType, property.escapedName);
- if (!targetProperty || !(targetProperty.flags & 8 /* EnumMember */)) {
- if (errorReporter) {
- errorReporter(ts.Diagnostics.Property_0_is_missing_in_type_1, ts.symbolName(property), typeToString(getDeclaredTypeOfSymbol(targetSymbol), /*enclosingDeclaration*/ undefined, 64 /* UseFullyQualifiedType */));
- enumRelation.set(id, 2 /* Failed */ | 4 /* Reported */);
- }
- else {
- enumRelation.set(id, 2 /* Failed */);
- }
- return false;
- }
- }
- }
- enumRelation.set(id, 1 /* Succeeded */);
- return true;
- }
- function isSimpleTypeRelatedTo(source, target, relation, errorReporter) {
- var s = source.flags;
- var t = target.flags;
- if (t & 3 /* AnyOrUnknown */ || s & 131072 /* Never */ || source === wildcardType)
- return true;
- if (t & 131072 /* Never */)
- return false;
- if (s & 132 /* StringLike */ && t & 4 /* String */)
- return true;
- if (s & 128 /* StringLiteral */ && s & 1024 /* EnumLiteral */ &&
- t & 128 /* StringLiteral */ && !(t & 1024 /* EnumLiteral */) &&
- source.value === target.value)
- return true;
- if (s & 296 /* NumberLike */ && t & 8 /* Number */)
- return true;
- if (s & 256 /* NumberLiteral */ && s & 1024 /* EnumLiteral */ &&
- t & 256 /* NumberLiteral */ && !(t & 1024 /* EnumLiteral */) &&
- source.value === target.value)
- return true;
- if (s & 2112 /* BigIntLike */ && t & 64 /* BigInt */)
- return true;
- if (s & 528 /* BooleanLike */ && t & 16 /* Boolean */)
- return true;
- if (s & 12288 /* ESSymbolLike */ && t & 4096 /* ESSymbol */)
- return true;
- if (s & 32 /* Enum */ && t & 32 /* Enum */ && isEnumTypeRelatedTo(source.symbol, target.symbol, errorReporter))
- return true;
- if (s & 1024 /* EnumLiteral */ && t & 1024 /* EnumLiteral */) {
- if (s & 1048576 /* Union */ && t & 1048576 /* Union */ && isEnumTypeRelatedTo(source.symbol, target.symbol, errorReporter))
- return true;
- if (s & 2944 /* Literal */ && t & 2944 /* Literal */ &&
- source.value === target.value &&
- isEnumTypeRelatedTo(getParentOfSymbol(source.symbol), getParentOfSymbol(target.symbol), errorReporter))
- return true;
- }
- if (s & 32768 /* Undefined */ && (!strictNullChecks || t & (32768 /* Undefined */ | 16384 /* Void */)))
- return true;
- if (s & 65536 /* Null */ && (!strictNullChecks || t & 65536 /* Null */))
- return true;
- if (s & 524288 /* Object */ && t & 67108864 /* NonPrimitive */)
- return true;
- if (relation === assignableRelation || relation === comparableRelation) {
- if (s & 1 /* Any */)
- return true;
- // Type number or any numeric literal type is assignable to any numeric enum type or any
- // numeric enum literal type. This rule exists for backwards compatibility reasons because
- // bit-flag enum types sometimes look like literal enum types with numeric literal values.
- if (s & (8 /* Number */ | 256 /* NumberLiteral */) && !(s & 1024 /* EnumLiteral */) && (t & 32 /* Enum */ || t & 256 /* NumberLiteral */ && t & 1024 /* EnumLiteral */))
- return true;
- }
- return false;
- }
- function isTypeRelatedTo(source, target, relation) {
- if (isFreshLiteralType(source)) {
- source = source.regularType;
- }
- if (isFreshLiteralType(target)) {
- target = target.regularType;
- }
- if (source === target) {
- return true;
- }
- if (relation !== identityRelation) {
- if (relation === comparableRelation && !(target.flags & 131072 /* Never */) && isSimpleTypeRelatedTo(target, source, relation) || isSimpleTypeRelatedTo(source, target, relation)) {
- return true;
- }
- }
- else {
- if (!(source.flags & 3145728 /* UnionOrIntersection */) && !(target.flags & 3145728 /* UnionOrIntersection */) &&
- source.flags !== target.flags && !(source.flags & 66584576 /* Substructure */))
- return false;
- }
- if (source.flags & 524288 /* Object */ && target.flags & 524288 /* Object */) {
- var related = relation.get(getRelationKey(source, target, 0 /* None */, relation));
- if (related !== undefined) {
- return !!(related & 1 /* Succeeded */);
- }
- }
- if (source.flags & 66846720 /* StructuredOrInstantiable */ || target.flags & 66846720 /* StructuredOrInstantiable */) {
- return checkTypeRelatedTo(source, target, relation, /*errorNode*/ undefined);
- }
- return false;
- }
- function isIgnoredJsxProperty(source, sourceProp) {
- return ts.getObjectFlags(source) & 4096 /* JsxAttributes */ && !isUnhyphenatedJsxName(sourceProp.escapedName);
- }
- function getNormalizedType(type, writing) {
- while (true) {
- var t = isFreshLiteralType(type) ? type.regularType :
- ts.getObjectFlags(type) & 4 /* Reference */ && type.node ? createTypeReference(type.target, getTypeArguments(type)) :
- type.flags & 3145728 /* UnionOrIntersection */ ? getReducedType(type) :
- type.flags & 33554432 /* Substitution */ ? writing ? type.baseType : type.substitute :
- type.flags & 25165824 /* Simplifiable */ ? getSimplifiedType(type, writing) :
- type;
- if (t === type)
- break;
- type = t;
- }
- return type;
- }
- /**
- * Checks if 'source' is related to 'target' (e.g.: is a assignable to).
- * @param source The left-hand-side of the relation.
- * @param target The right-hand-side of the relation.
- * @param relation The relation considered. One of 'identityRelation', 'subtypeRelation', 'assignableRelation', or 'comparableRelation'.
- * Used as both to determine which checks are performed and as a cache of previously computed results.
- * @param errorNode The suggested node upon which all errors will be reported, if defined. This may or may not be the actual node used.
- * @param headMessage If the error chain should be prepended by a head message, then headMessage will be used.
- * @param containingMessageChain A chain of errors to prepend any new errors found.
- * @param errorOutputContainer Return the diagnostic. Do not log if 'skipLogging' is truthy.
- */
- function checkTypeRelatedTo(source, target, relation, errorNode, headMessage, containingMessageChain, errorOutputContainer) {
- var errorInfo;
- var relatedInfo;
- var maybeKeys;
- var sourceStack;
- var targetStack;
- var maybeCount = 0;
- var depth = 0;
- var expandingFlags = 0 /* None */;
- var overflow = false;
- var overrideNextErrorInfo = 0; // How many `reportRelationError` calls should be skipped in the elaboration pyramid
- var lastSkippedInfo;
- var incompatibleStack = [];
- var inPropertyCheck = false;
- ts.Debug.assert(relation !== identityRelation || !errorNode, "no error reporting in identity checking");
- var result = isRelatedTo(source, target, /*reportErrors*/ !!errorNode, headMessage);
- if (incompatibleStack.length) {
- reportIncompatibleStack();
- }
- if (overflow) {
- var diag = error(errorNode || currentNode, ts.Diagnostics.Excessive_stack_depth_comparing_types_0_and_1, typeToString(source), typeToString(target));
- if (errorOutputContainer) {
- (errorOutputContainer.errors || (errorOutputContainer.errors = [])).push(diag);
- }
- }
- else if (errorInfo) {
- if (containingMessageChain) {
- var chain = containingMessageChain();
- if (chain) {
- ts.concatenateDiagnosticMessageChains(chain, errorInfo);
- errorInfo = chain;
- }
- }
- var relatedInformation = void 0;
- // Check if we should issue an extra diagnostic to produce a quickfix for a slightly incorrect import statement
- if (headMessage && errorNode && !result && source.symbol) {
- var links = getSymbolLinks(source.symbol);
- if (links.originatingImport && !ts.isImportCall(links.originatingImport)) {
- var helpfulRetry = checkTypeRelatedTo(getTypeOfSymbol(links.target), target, relation, /*errorNode*/ undefined);
- if (helpfulRetry) {
- // Likely an incorrect import. Issue a helpful diagnostic to produce a quickfix to change the import
- var diag_1 = ts.createDiagnosticForNode(links.originatingImport, ts.Diagnostics.Type_originates_at_this_import_A_namespace_style_import_cannot_be_called_or_constructed_and_will_cause_a_failure_at_runtime_Consider_using_a_default_import_or_import_require_here_instead);
- relatedInformation = ts.append(relatedInformation, diag_1); // Cause the error to appear with the error that triggered it
- }
- }
- }
- var diag = ts.createDiagnosticForNodeFromMessageChain(errorNode, errorInfo, relatedInformation);
- if (relatedInfo) {
- ts.addRelatedInfo.apply(void 0, __spreadArrays([diag], relatedInfo));
- }
- if (errorOutputContainer) {
- (errorOutputContainer.errors || (errorOutputContainer.errors = [])).push(diag);
- }
- if (!errorOutputContainer || !errorOutputContainer.skipLogging) {
- diagnostics.add(diag);
- }
- }
- if (errorNode && errorOutputContainer && errorOutputContainer.skipLogging && result === 0 /* False */) {
- ts.Debug.assert(!!errorOutputContainer.errors, "missed opportunity to interact with error.");
- }
- return result !== 0 /* False */;
- function resetErrorInfo(saved) {
- errorInfo = saved.errorInfo;
- lastSkippedInfo = saved.lastSkippedInfo;
- incompatibleStack = saved.incompatibleStack;
- overrideNextErrorInfo = saved.overrideNextErrorInfo;
- relatedInfo = saved.relatedInfo;
- }
- function captureErrorCalculationState() {
- return {
- errorInfo: errorInfo,
- lastSkippedInfo: lastSkippedInfo,
- incompatibleStack: incompatibleStack.slice(),
- overrideNextErrorInfo: overrideNextErrorInfo,
- relatedInfo: !relatedInfo ? undefined : relatedInfo.slice()
- };
- }
- function reportIncompatibleError(message, arg0, arg1, arg2, arg3) {
- overrideNextErrorInfo++; // Suppress the next relation error
- lastSkippedInfo = undefined; // Reset skipped info cache
- incompatibleStack.push([message, arg0, arg1, arg2, arg3]);
- }
- function reportIncompatibleStack() {
- var stack = incompatibleStack;
- incompatibleStack = [];
- var info = lastSkippedInfo;
- lastSkippedInfo = undefined;
- if (stack.length === 1) {
- reportError.apply(void 0, stack[0]);
- if (info) {
- // Actually do the last relation error
- reportRelationError.apply(void 0, __spreadArrays([/*headMessage*/ undefined], info));
- }
- return;
- }
- // The first error will be the innermost, while the last will be the outermost - so by popping off the end,
- // we can build from left to right
- var path = "";
- var secondaryRootErrors = [];
- while (stack.length) {
- var _a = stack.pop(), msg = _a[0], args = _a.slice(1);
- switch (msg.code) {
- case ts.Diagnostics.Types_of_property_0_are_incompatible.code: {
- // Parenthesize a `new` if there is one
- if (path.indexOf("new ") === 0) {
- path = "(" + path + ")";
- }
- var str = "" + args[0];
- // If leading, just print back the arg (irrespective of if it's a valid identifier)
- if (path.length === 0) {
- path = "" + str;
- }
- // Otherwise write a dotted name if possible
- else if (ts.isIdentifierText(str, compilerOptions.target)) {
- path = path + "." + str;
- }
- // Failing that, check if the name is already a computed name
- else if (str[0] === "[" && str[str.length - 1] === "]") {
- path = "" + path + str;
- }
- // And finally write out a computed name as a last resort
- else {
- path = path + "[" + str + "]";
- }
- break;
- }
- case ts.Diagnostics.Call_signature_return_types_0_and_1_are_incompatible.code:
- case ts.Diagnostics.Construct_signature_return_types_0_and_1_are_incompatible.code:
- case ts.Diagnostics.Call_signatures_with_no_arguments_have_incompatible_return_types_0_and_1.code:
- case ts.Diagnostics.Construct_signatures_with_no_arguments_have_incompatible_return_types_0_and_1.code: {
- if (path.length === 0) {
- // Don't flatten signature compatability errors at the start of a chain - instead prefer
- // to unify (the with no arguments bit is excessive for printback) and print them back
- var mappedMsg = msg;
- if (msg.code === ts.Diagnostics.Call_signatures_with_no_arguments_have_incompatible_return_types_0_and_1.code) {
- mappedMsg = ts.Diagnostics.Call_signature_return_types_0_and_1_are_incompatible;
- }
- else if (msg.code === ts.Diagnostics.Construct_signatures_with_no_arguments_have_incompatible_return_types_0_and_1.code) {
- mappedMsg = ts.Diagnostics.Construct_signature_return_types_0_and_1_are_incompatible;
- }
- secondaryRootErrors.unshift([mappedMsg, args[0], args[1]]);
- }
- else {
- var prefix = (msg.code === ts.Diagnostics.Construct_signature_return_types_0_and_1_are_incompatible.code ||
- msg.code === ts.Diagnostics.Construct_signatures_with_no_arguments_have_incompatible_return_types_0_and_1.code)
- ? "new "
- : "";
- var params = (msg.code === ts.Diagnostics.Call_signatures_with_no_arguments_have_incompatible_return_types_0_and_1.code ||
- msg.code === ts.Diagnostics.Construct_signatures_with_no_arguments_have_incompatible_return_types_0_and_1.code)
- ? ""
- : "...";
- path = "" + prefix + path + "(" + params + ")";
- }
- break;
- }
- default:
- return ts.Debug.fail("Unhandled Diagnostic: " + msg.code);
- }
- }
- if (path) {
- reportError(path[path.length - 1] === ")"
- ? ts.Diagnostics.The_types_returned_by_0_are_incompatible_between_these_types
- : ts.Diagnostics.The_types_of_0_are_incompatible_between_these_types, path);
- }
- else {
- // Remove the innermost secondary error as it will duplicate the error already reported by `reportRelationError` on entry
- secondaryRootErrors.shift();
- }
- for (var _i = 0, secondaryRootErrors_1 = secondaryRootErrors; _i < secondaryRootErrors_1.length; _i++) {
- var _b = secondaryRootErrors_1[_i], msg = _b[0], args = _b.slice(1);
- var originalValue = msg.elidedInCompatabilityPyramid;
- msg.elidedInCompatabilityPyramid = false; // Teporarily override elision to ensure error is reported
- reportError.apply(void 0, __spreadArrays([msg], args));
- msg.elidedInCompatabilityPyramid = originalValue;
- }
- if (info) {
- // Actually do the last relation error
- reportRelationError.apply(void 0, __spreadArrays([/*headMessage*/ undefined], info));
- }
- }
- function reportError(message, arg0, arg1, arg2, arg3) {
- ts.Debug.assert(!!errorNode);
- if (incompatibleStack.length)
- reportIncompatibleStack();
- if (message.elidedInCompatabilityPyramid)
- return;
- errorInfo = ts.chainDiagnosticMessages(errorInfo, message, arg0, arg1, arg2, arg3);
- }
- function associateRelatedInfo(info) {
- ts.Debug.assert(!!errorInfo);
- if (!relatedInfo) {
- relatedInfo = [info];
- }
- else {
- relatedInfo.push(info);
- }
- }
- function reportRelationError(message, source, target) {
- if (incompatibleStack.length)
- reportIncompatibleStack();
- var _a = getTypeNamesForErrorDisplay(source, target), sourceType = _a[0], targetType = _a[1];
- if (target.flags & 262144 /* TypeParameter */) {
- var constraint = getBaseConstraintOfType(target);
- var constraintElab = constraint && isTypeAssignableTo(source, constraint);
- if (constraintElab) {
- reportError(ts.Diagnostics._0_is_assignable_to_the_constraint_of_type_1_but_1_could_be_instantiated_with_a_different_subtype_of_constraint_2, sourceType, targetType, typeToString(constraint));
- }
- else {
- reportError(ts.Diagnostics._0_could_be_instantiated_with_an_arbitrary_type_which_could_be_unrelated_to_1, targetType, sourceType);
- }
- }
- if (!message) {
- if (relation === comparableRelation) {
- message = ts.Diagnostics.Type_0_is_not_comparable_to_type_1;
- }
- else if (sourceType === targetType) {
- message = ts.Diagnostics.Type_0_is_not_assignable_to_type_1_Two_different_types_with_this_name_exist_but_they_are_unrelated;
- }
- else {
- message = ts.Diagnostics.Type_0_is_not_assignable_to_type_1;
- }
- }
- reportError(message, sourceType, targetType);
- }
- function tryElaborateErrorsForPrimitivesAndObjects(source, target) {
- var sourceType = symbolValueDeclarationIsContextSensitive(source.symbol) ? typeToString(source, source.symbol.valueDeclaration) : typeToString(source);
- var targetType = symbolValueDeclarationIsContextSensitive(target.symbol) ? typeToString(target, target.symbol.valueDeclaration) : typeToString(target);
- if ((globalStringType === source && stringType === target) ||
- (globalNumberType === source && numberType === target) ||
- (globalBooleanType === source && booleanType === target) ||
- (getGlobalESSymbolType(/*reportErrors*/ false) === source && esSymbolType === target)) {
- reportError(ts.Diagnostics._0_is_a_primitive_but_1_is_a_wrapper_object_Prefer_using_0_when_possible, targetType, sourceType);
- }
- }
- /**
- * Try and elaborate array and tuple errors. Returns false
- * if we have found an elaboration, or we should ignore
- * any other elaborations when relating the `source` and
- * `target` types.
- */
- function tryElaborateArrayLikeErrors(source, target, reportErrors) {
- /**
- * The spec for elaboration is:
- * - If the source is a readonly tuple and the target is a mutable array or tuple, elaborate on mutability and skip property elaborations.
- * - If the source is a tuple then skip property elaborations if the target is an array or tuple.
- * - If the source is a readonly array and the target is a mutable array or tuple, elaborate on mutability and skip property elaborations.
- * - If the source an array then skip property elaborations if the target is a tuple.
- */
- if (isTupleType(source)) {
- if (source.target.readonly && isMutableArrayOrTuple(target)) {
- if (reportErrors) {
- reportError(ts.Diagnostics.The_type_0_is_readonly_and_cannot_be_assigned_to_the_mutable_type_1, typeToString(source), typeToString(target));
- }
- return false;
- }
- return isTupleType(target) || isArrayType(target);
- }
- if (isReadonlyArrayType(source) && isMutableArrayOrTuple(target)) {
- if (reportErrors) {
- reportError(ts.Diagnostics.The_type_0_is_readonly_and_cannot_be_assigned_to_the_mutable_type_1, typeToString(source), typeToString(target));
- }
- return false;
- }
- if (isTupleType(target)) {
- return isArrayType(source);
- }
- return true;
- }
- /**
- * Compare two types and return
- * * Ternary.True if they are related with no assumptions,
- * * Ternary.Maybe if they are related with assumptions of other relationships, or
- * * Ternary.False if they are not related.
- */
- function isRelatedTo(originalSource, originalTarget, reportErrors, headMessage, intersectionState) {
- if (reportErrors === void 0) { reportErrors = false; }
- if (intersectionState === void 0) { intersectionState = 0 /* None */; }
- // Before normalization: if `source` is type an object type, and `target` is primitive,
- // skip all the checks we don't need and just return `isSimpleTypeRelatedTo` result
- if (originalSource.flags & 524288 /* Object */ && originalTarget.flags & 131068 /* Primitive */) {
- if (isSimpleTypeRelatedTo(originalSource, originalTarget, relation, reportErrors ? reportError : undefined)) {
- return -1 /* True */;
- }
- reportErrorResults(originalSource, originalTarget, 0 /* False */, !!(ts.getObjectFlags(originalSource) & 4096 /* JsxAttributes */));
- return 0 /* False */;
- }
- // Normalize the source and target types: Turn fresh literal types into regular literal types,
- // turn deferred type references into regular type references, simplify indexed access and
- // conditional types, and resolve substitution types to either the substitution (on the source
- // side) or the type variable (on the target side).
- var source = getNormalizedType(originalSource, /*writing*/ false);
- var target = getNormalizedType(originalTarget, /*writing*/ true);
- if (source === target)
- return -1 /* True */;
- if (relation === identityRelation) {
- return isIdenticalTo(source, target);
- }
- // We fastpath comparing a type parameter to exactly its constraint, as this is _super_ common,
- // and otherwise, for type parameters in large unions, causes us to need to compare the union to itself,
- // as we break down the _target_ union first, _then_ get the source constraint - so for every
- // member of the target, we attempt to find a match in the source. This avoids that in cases where
- // the target is exactly the constraint.
- if (source.flags & 262144 /* TypeParameter */ && getConstraintOfType(source) === target) {
- return -1 /* True */;
- }
- // Try to see if we're relating something like `Foo` -> `Bar | null | undefined`.
- // If so, reporting the `null` and `undefined` in the type is hardly useful.
- // First, see if we're even relating an object type to a union.
- // Then see if the target is stripped down to a single non-union type.
- // Note
- // * We actually want to remove null and undefined naively here (rather than using getNonNullableType),
- // since we don't want to end up with a worse error like "`Foo` is not assignable to `NonNullable<T>`"
- // when dealing with generics.
- // * We also don't deal with primitive source types, since we already halt elaboration below.
- if (target.flags & 1048576 /* Union */ && source.flags & 524288 /* Object */ &&
- target.types.length <= 3 && maybeTypeOfKind(target, 98304 /* Nullable */)) {
- var nullStrippedTarget = extractTypesOfKind(target, ~98304 /* Nullable */);
- if (!(nullStrippedTarget.flags & (1048576 /* Union */ | 131072 /* Never */))) {
- if (source === nullStrippedTarget)
- return -1 /* True */;
- target = nullStrippedTarget;
- }
- }
- if (relation === comparableRelation && !(target.flags & 131072 /* Never */) && isSimpleTypeRelatedTo(target, source, relation) ||
- isSimpleTypeRelatedTo(source, target, relation, reportErrors ? reportError : undefined))
- return -1 /* True */;
- var isComparingJsxAttributes = !!(ts.getObjectFlags(source) & 4096 /* JsxAttributes */);
- var isPerformingExcessPropertyChecks = !(intersectionState & 2 /* Target */) && (isObjectLiteralType(source) && ts.getObjectFlags(source) & 32768 /* FreshLiteral */);
- if (isPerformingExcessPropertyChecks) {
- if (hasExcessProperties(source, target, reportErrors)) {
- if (reportErrors) {
- reportRelationError(headMessage, source, target);
- }
- return 0 /* False */;
- }
- }
- var isPerformingCommonPropertyChecks = relation !== comparableRelation && !(intersectionState & 2 /* Target */) &&
- source.flags & (131068 /* Primitive */ | 524288 /* Object */ | 2097152 /* Intersection */) && source !== globalObjectType &&
- target.flags & (524288 /* Object */ | 2097152 /* Intersection */) && isWeakType(target) &&
- (getPropertiesOfType(source).length > 0 || typeHasCallOrConstructSignatures(source));
- if (isPerformingCommonPropertyChecks && !hasCommonProperties(source, target, isComparingJsxAttributes)) {
- if (reportErrors) {
- var calls = getSignaturesOfType(source, 0 /* Call */);
- var constructs = getSignaturesOfType(source, 1 /* Construct */);
- if (calls.length > 0 && isRelatedTo(getReturnTypeOfSignature(calls[0]), target, /*reportErrors*/ false) ||
- constructs.length > 0 && isRelatedTo(getReturnTypeOfSignature(constructs[0]), target, /*reportErrors*/ false)) {
- reportError(ts.Diagnostics.Value_of_type_0_has_no_properties_in_common_with_type_1_Did_you_mean_to_call_it, typeToString(source), typeToString(target));
- }
- else {
- reportError(ts.Diagnostics.Type_0_has_no_properties_in_common_with_type_1, typeToString(source), typeToString(target));
- }
- }
- return 0 /* False */;
- }
- var result = 0 /* False */;
- var saveErrorInfo = captureErrorCalculationState();
- // Note that these checks are specifically ordered to produce correct results. In particular,
- // we need to deconstruct unions before intersections (because unions are always at the top),
- // and we need to handle "each" relations before "some" relations for the same kind of type.
- if (source.flags & 1048576 /* Union */) {
- result = relation === comparableRelation ?
- someTypeRelatedToType(source, target, reportErrors && !(source.flags & 131068 /* Primitive */), intersectionState) :
- eachTypeRelatedToType(source, target, reportErrors && !(source.flags & 131068 /* Primitive */), intersectionState);
- }
- else {
- if (target.flags & 1048576 /* Union */) {
- result = typeRelatedToSomeType(getRegularTypeOfObjectLiteral(source), target, reportErrors && !(source.flags & 131068 /* Primitive */) && !(target.flags & 131068 /* Primitive */));
- }
- else if (target.flags & 2097152 /* Intersection */) {
- result = typeRelatedToEachType(getRegularTypeOfObjectLiteral(source), target, reportErrors, 2 /* Target */);
- }
- else if (source.flags & 2097152 /* Intersection */) {
- // Check to see if any constituents of the intersection are immediately related to the target.
- //
- // Don't report errors though. Checking whether a constituent is related to the source is not actually
- // useful and leads to some confusing error messages. Instead it is better to let the below checks
- // take care of this, or to not elaborate at all. For instance,
- //
- // - For an object type (such as 'C = A & B'), users are usually more interested in structural errors.
- //
- // - For a union type (such as '(A | B) = (C & D)'), it's better to hold onto the whole intersection
- // than to report that 'D' is not assignable to 'A' or 'B'.
- //
- // - For a primitive type or type parameter (such as 'number = A & B') there is no point in
- // breaking the intersection apart.
- result = someTypeRelatedToType(source, target, /*reportErrors*/ false, 1 /* Source */);
- }
- if (!result && (source.flags & 66846720 /* StructuredOrInstantiable */ || target.flags & 66846720 /* StructuredOrInstantiable */)) {
- if (result = recursiveTypeRelatedTo(source, target, reportErrors, intersectionState)) {
- resetErrorInfo(saveErrorInfo);
- }
- }
- }
- if (!result && source.flags & (2097152 /* Intersection */ | 262144 /* TypeParameter */)) {
- // The combined constraint of an intersection type is the intersection of the constraints of
- // the constituents. When an intersection type contains instantiable types with union type
- // constraints, there are situations where we need to examine the combined constraint. One is
- // when the target is a union type. Another is when the intersection contains types belonging
- // to one of the disjoint domains. For example, given type variables T and U, each with the
- // constraint 'string | number', the combined constraint of 'T & U' is 'string | number' and
- // we need to check this constraint against a union on the target side. Also, given a type
- // variable V constrained to 'string | number', 'V & number' has a combined constraint of
- // 'string & number | number & number' which reduces to just 'number'.
- // This also handles type parameters, as a type parameter with a union constraint compared against a union
- // needs to have its constraint hoisted into an intersection with said type parameter, this way
- // the type param can be compared with itself in the target (with the influence of its constraint to match other parts)
- // For example, if `T extends 1 | 2` and `U extends 2 | 3` and we compare `T & U` to `T & U & (1 | 2 | 3)`
- var constraint = getEffectiveConstraintOfIntersection(source.flags & 2097152 /* Intersection */ ? source.types : [source], !!(target.flags & 1048576 /* Union */));
- if (constraint && (source.flags & 2097152 /* Intersection */ || target.flags & 1048576 /* Union */)) {
- if (everyType(constraint, function (c) { return c !== source; })) { // Skip comparison if expansion contains the source itself
- // TODO: Stack errors so we get a pyramid for the "normal" comparison above, _and_ a second for this
- if (result = isRelatedTo(constraint, target, /*reportErrors*/ false, /*headMessage*/ undefined, intersectionState)) {
- resetErrorInfo(saveErrorInfo);
- }
- }
- }
- }
- // For certain combinations involving intersections and optional, excess, or mismatched properties we need
- // an extra property check where the intersection is viewed as a single object. The following are motivating
- // examples that all should be errors, but aren't without this extra property check:
- //
- // let obj: { a: { x: string } } & { c: number } = { a: { x: 'hello', y: 2 }, c: 5 }; // Nested excess property
- //
- // declare let wrong: { a: { y: string } };
- // let weak: { a?: { x?: number } } & { c?: string } = wrong; // Nested weak object type
- //
- // function foo<T extends object>(x: { a?: string }, y: T & { a: boolean }) {
- // x = y; // Mismatched property in source intersection
- // }
- //
- // We suppress recursive intersection property checks because they can generate lots of work when relating
- // recursive intersections that are structurally similar but not exactly identical. See #37854.
- if (result && !inPropertyCheck && (target.flags & 2097152 /* Intersection */ && (isPerformingExcessPropertyChecks || isPerformingCommonPropertyChecks) ||
- isNonGenericObjectType(target) && !isArrayType(target) && !isTupleType(target) && source.flags & 2097152 /* Intersection */ && getApparentType(source).flags & 3670016 /* StructuredType */ && !ts.some(source.types, function (t) { return !!(ts.getObjectFlags(t) & 2097152 /* NonInferrableType */); }))) {
- inPropertyCheck = true;
- result &= recursiveTypeRelatedTo(source, target, reportErrors, 4 /* PropertyCheck */);
- inPropertyCheck = false;
- }
- reportErrorResults(source, target, result, isComparingJsxAttributes);
- return result;
- function reportErrorResults(source, target, result, isComparingJsxAttributes) {
- if (!result && reportErrors) {
- source = originalSource.aliasSymbol ? originalSource : source;
- target = originalTarget.aliasSymbol ? originalTarget : target;
- var maybeSuppress = overrideNextErrorInfo > 0;
- if (maybeSuppress) {
- overrideNextErrorInfo--;
- }
- if (source.flags & 524288 /* Object */ && target.flags & 524288 /* Object */) {
- var currentError = errorInfo;
- tryElaborateArrayLikeErrors(source, target, reportErrors);
- if (errorInfo !== currentError) {
- maybeSuppress = !!errorInfo;
- }
- }
- if (source.flags & 524288 /* Object */ && target.flags & 131068 /* Primitive */) {
- tryElaborateErrorsForPrimitivesAndObjects(source, target);
- }
- else if (source.symbol && source.flags & 524288 /* Object */ && globalObjectType === source) {
- reportError(ts.Diagnostics.The_Object_type_is_assignable_to_very_few_other_types_Did_you_mean_to_use_the_any_type_instead);
- }
- else if (isComparingJsxAttributes && target.flags & 2097152 /* Intersection */) {
- var targetTypes = target.types;
- var intrinsicAttributes = getJsxType(JsxNames.IntrinsicAttributes, errorNode);
- var intrinsicClassAttributes = getJsxType(JsxNames.IntrinsicClassAttributes, errorNode);
- if (intrinsicAttributes !== errorType && intrinsicClassAttributes !== errorType &&
- (ts.contains(targetTypes, intrinsicAttributes) || ts.contains(targetTypes, intrinsicClassAttributes))) {
- // do not report top error
- return result;
- }
- }
- else {
- errorInfo = elaborateNeverIntersection(errorInfo, originalTarget);
- }
- if (!headMessage && maybeSuppress) {
- lastSkippedInfo = [source, target];
- // Used by, eg, missing property checking to replace the top-level message with a more informative one
- return result;
- }
- reportRelationError(headMessage, source, target);
- }
- }
- }
- function isIdenticalTo(source, target) {
- var flags = source.flags & target.flags;
- if (!(flags & 66584576 /* Substructure */)) {
- return 0 /* False */;
- }
- if (flags & 3145728 /* UnionOrIntersection */) {
- var result_5 = eachTypeRelatedToSomeType(source, target);
- if (result_5) {
- result_5 &= eachTypeRelatedToSomeType(target, source);
- }
- return result_5;
- }
- return recursiveTypeRelatedTo(source, target, /*reportErrors*/ false, 0 /* None */);
- }
- function getTypeOfPropertyInTypes(types, name) {
- var appendPropType = function (propTypes, type) {
- type = getApparentType(type);
- var prop = type.flags & 3145728 /* UnionOrIntersection */ ? getPropertyOfUnionOrIntersectionType(type, name) : getPropertyOfObjectType(type, name);
- var propType = prop && getTypeOfSymbol(prop) || isNumericLiteralName(name) && getIndexTypeOfType(type, 1 /* Number */) || getIndexTypeOfType(type, 0 /* String */) || undefinedType;
- return ts.append(propTypes, propType);
- };
- return getUnionType(ts.reduceLeft(types, appendPropType, /*initial*/ undefined) || ts.emptyArray);
- }
- function hasExcessProperties(source, target, reportErrors) {
- if (!isExcessPropertyCheckTarget(target) || !noImplicitAny && ts.getObjectFlags(target) & 16384 /* JSLiteral */) {
- return false; // Disable excess property checks on JS literals to simulate having an implicit "index signature" - but only outside of noImplicitAny
- }
- var isComparingJsxAttributes = !!(ts.getObjectFlags(source) & 4096 /* JsxAttributes */);
- if ((relation === assignableRelation || relation === comparableRelation) &&
- (isTypeSubsetOf(globalObjectType, target) || (!isComparingJsxAttributes && isEmptyObjectType(target)))) {
- return false;
- }
- var reducedTarget = target;
- var checkTypes;
- if (target.flags & 1048576 /* Union */) {
- reducedTarget = findMatchingDiscriminantType(source, target, isRelatedTo) || filterPrimitivesIfContainsNonPrimitive(target);
- checkTypes = reducedTarget.flags & 1048576 /* Union */ ? reducedTarget.types : [reducedTarget];
- }
- var _loop_13 = function (prop) {
- if (shouldCheckAsExcessProperty(prop, source.symbol) && !isIgnoredJsxProperty(source, prop)) {
- if (!isKnownProperty(reducedTarget, prop.escapedName, isComparingJsxAttributes)) {
- if (reportErrors) {
- // Report error in terms of object types in the target as those are the only ones
- // we check in isKnownProperty.
- var errorTarget = filterType(reducedTarget, isExcessPropertyCheckTarget);
- // We know *exactly* where things went wrong when comparing the types.
- // Use this property as the error node as this will be more helpful in
- // reasoning about what went wrong.
- if (!errorNode)
- return { value: ts.Debug.fail() };
- if (ts.isJsxAttributes(errorNode) || ts.isJsxOpeningLikeElement(errorNode) || ts.isJsxOpeningLikeElement(errorNode.parent)) {
- // JsxAttributes has an object-literal flag and undergo same type-assignablity check as normal object-literal.
- // However, using an object-literal error message will be very confusing to the users so we give different a message.
- // TODO: Spelling suggestions for excess jsx attributes (needs new diagnostic messages)
- if (prop.valueDeclaration && ts.isJsxAttribute(prop.valueDeclaration) && ts.getSourceFileOfNode(errorNode) === ts.getSourceFileOfNode(prop.valueDeclaration.name)) {
- // Note that extraneous children (as in `<NoChild>extra</NoChild>`) don't pass this check,
- // since `children` is a SyntaxKind.PropertySignature instead of a SyntaxKind.JsxAttribute.
- errorNode = prop.valueDeclaration.name;
- }
- reportError(ts.Diagnostics.Property_0_does_not_exist_on_type_1, symbolToString(prop), typeToString(errorTarget));
- }
- else {
- // use the property's value declaration if the property is assigned inside the literal itself
- var objectLiteralDeclaration_1 = source.symbol && ts.firstOrUndefined(source.symbol.declarations);
- var suggestion = void 0;
- if (prop.valueDeclaration && ts.findAncestor(prop.valueDeclaration, function (d) { return d === objectLiteralDeclaration_1; }) && ts.getSourceFileOfNode(objectLiteralDeclaration_1) === ts.getSourceFileOfNode(errorNode)) {
- var propDeclaration = prop.valueDeclaration;
- ts.Debug.assertNode(propDeclaration, ts.isObjectLiteralElementLike);
- errorNode = propDeclaration;
- var name = propDeclaration.name;
- if (ts.isIdentifier(name)) {
- suggestion = getSuggestionForNonexistentProperty(name, errorTarget);
- }
- }
- if (suggestion !== undefined) {
- reportError(ts.Diagnostics.Object_literal_may_only_specify_known_properties_but_0_does_not_exist_in_type_1_Did_you_mean_to_write_2, symbolToString(prop), typeToString(errorTarget), suggestion);
- }
- else {
- reportError(ts.Diagnostics.Object_literal_may_only_specify_known_properties_and_0_does_not_exist_in_type_1, symbolToString(prop), typeToString(errorTarget));
- }
- }
- }
- return { value: true };
- }
- if (checkTypes && !isRelatedTo(getTypeOfSymbol(prop), getTypeOfPropertyInTypes(checkTypes, prop.escapedName), reportErrors)) {
- if (reportErrors) {
- reportIncompatibleError(ts.Diagnostics.Types_of_property_0_are_incompatible, symbolToString(prop));
- }
- return { value: true };
- }
- }
- };
- for (var _i = 0, _a = getPropertiesOfType(source); _i < _a.length; _i++) {
- var prop = _a[_i];
- var state_5 = _loop_13(prop);
- if (typeof state_5 === "object")
- return state_5.value;
- }
- return false;
- }
- function shouldCheckAsExcessProperty(prop, container) {
- return prop.valueDeclaration && container.valueDeclaration && prop.valueDeclaration.parent === container.valueDeclaration;
- }
- function eachTypeRelatedToSomeType(source, target) {
- var result = -1 /* True */;
- var sourceTypes = source.types;
- for (var _i = 0, sourceTypes_1 = sourceTypes; _i < sourceTypes_1.length; _i++) {
- var sourceType = sourceTypes_1[_i];
- var related = typeRelatedToSomeType(sourceType, target, /*reportErrors*/ false);
- if (!related) {
- return 0 /* False */;
- }
- result &= related;
- }
- return result;
- }
- function typeRelatedToSomeType(source, target, reportErrors) {
- var targetTypes = target.types;
- if (target.flags & 1048576 /* Union */ && containsType(targetTypes, source)) {
- return -1 /* True */;
- }
- for (var _i = 0, targetTypes_1 = targetTypes; _i < targetTypes_1.length; _i++) {
- var type = targetTypes_1[_i];
- var related = isRelatedTo(source, type, /*reportErrors*/ false);
- if (related) {
- return related;
- }
- }
- if (reportErrors) {
- var bestMatchingType = getBestMatchingType(source, target, isRelatedTo);
- isRelatedTo(source, bestMatchingType || targetTypes[targetTypes.length - 1], /*reportErrors*/ true);
- }
- return 0 /* False */;
- }
- function typeRelatedToEachType(source, target, reportErrors, intersectionState) {
- var result = -1 /* True */;
- var targetTypes = target.types;
- for (var _i = 0, targetTypes_2 = targetTypes; _i < targetTypes_2.length; _i++) {
- var targetType = targetTypes_2[_i];
- var related = isRelatedTo(source, targetType, reportErrors, /*headMessage*/ undefined, intersectionState);
- if (!related) {
- return 0 /* False */;
- }
- result &= related;
- }
- return result;
- }
- function someTypeRelatedToType(source, target, reportErrors, intersectionState) {
- var sourceTypes = source.types;
- if (source.flags & 1048576 /* Union */ && containsType(sourceTypes, target)) {
- return -1 /* True */;
- }
- var len = sourceTypes.length;
- for (var i = 0; i < len; i++) {
- var related = isRelatedTo(sourceTypes[i], target, reportErrors && i === len - 1, /*headMessage*/ undefined, intersectionState);
- if (related) {
- return related;
- }
- }
- return 0 /* False */;
- }
- function eachTypeRelatedToType(source, target, reportErrors, intersectionState) {
- var result = -1 /* True */;
- var sourceTypes = source.types;
- for (var i = 0; i < sourceTypes.length; i++) {
- var sourceType = sourceTypes[i];
- if (target.flags & 1048576 /* Union */ && target.types.length === sourceTypes.length) {
- // many unions are mappings of one another; in such cases, simply comparing members at the same index can shortcut the comparison
- var related_1 = isRelatedTo(sourceType, target.types[i], /*reportErrors*/ false, /*headMessage*/ undefined, intersectionState);
- if (related_1) {
- result &= related_1;
- continue;
- }
- }
- var related = isRelatedTo(sourceType, target, reportErrors, /*headMessage*/ undefined, intersectionState);
- if (!related) {
- return 0 /* False */;
- }
- result &= related;
- }
- return result;
- }
- function typeArgumentsRelatedTo(sources, targets, variances, reportErrors, intersectionState) {
- if (sources === void 0) { sources = ts.emptyArray; }
- if (targets === void 0) { targets = ts.emptyArray; }
- if (variances === void 0) { variances = ts.emptyArray; }
- if (sources.length !== targets.length && relation === identityRelation) {
- return 0 /* False */;
- }
- var length = sources.length <= targets.length ? sources.length : targets.length;
- var result = -1 /* True */;
- for (var i = 0; i < length; i++) {
- // When variance information isn't available we default to covariance. This happens
- // in the process of computing variance information for recursive types and when
- // comparing 'this' type arguments.
- var varianceFlags = i < variances.length ? variances[i] : 1 /* Covariant */;
- var variance = varianceFlags & 7 /* VarianceMask */;
- // We ignore arguments for independent type parameters (because they're never witnessed).
- if (variance !== 4 /* Independent */) {
- var s = sources[i];
- var t = targets[i];
- var related = -1 /* True */;
- if (varianceFlags & 8 /* Unmeasurable */) {
- // Even an `Unmeasurable` variance works out without a structural check if the source and target are _identical_.
- // We can't simply assume invariance, because `Unmeasurable` marks nonlinear relations, for example, a relation tained by
- // the `-?` modifier in a mapped type (where, no matter how the inputs are related, the outputs still might not be)
- related = relation === identityRelation ? isRelatedTo(s, t, /*reportErrors*/ false) : compareTypesIdentical(s, t);
- }
- else if (variance === 1 /* Covariant */) {
- related = isRelatedTo(s, t, reportErrors, /*headMessage*/ undefined, intersectionState);
- }
- else if (variance === 2 /* Contravariant */) {
- related = isRelatedTo(t, s, reportErrors, /*headMessage*/ undefined, intersectionState);
- }
- else if (variance === 3 /* Bivariant */) {
- // In the bivariant case we first compare contravariantly without reporting
- // errors. Then, if that doesn't succeed, we compare covariantly with error
- // reporting. Thus, error elaboration will be based on the the covariant check,
- // which is generally easier to reason about.
- related = isRelatedTo(t, s, /*reportErrors*/ false);
- if (!related) {
- related = isRelatedTo(s, t, reportErrors, /*headMessage*/ undefined, intersectionState);
- }
- }
- else {
- // In the invariant case we first compare covariantly, and only when that
- // succeeds do we proceed to compare contravariantly. Thus, error elaboration
- // will typically be based on the covariant check.
- related = isRelatedTo(s, t, reportErrors, /*headMessage*/ undefined, intersectionState);
- if (related) {
- related &= isRelatedTo(t, s, reportErrors, /*headMessage*/ undefined, intersectionState);
- }
- }
- if (!related) {
- return 0 /* False */;
- }
- result &= related;
- }
- }
- return result;
- }
- // Determine if possibly recursive types are related. First, check if the result is already available in the global cache.
- // Second, check if we have already started a comparison of the given two types in which case we assume the result to be true.
- // Third, check if both types are part of deeply nested chains of generic type instantiations and if so assume the types are
- // equal and infinitely expanding. Fourth, if we have reached a depth of 100 nested comparisons, assume we have runaway recursion
- // and issue an error. Otherwise, actually compare the structure of the two types.
- function recursiveTypeRelatedTo(source, target, reportErrors, intersectionState) {
- if (overflow) {
- return 0 /* False */;
- }
- var id = getRelationKey(source, target, intersectionState | (inPropertyCheck ? 8 /* InPropertyCheck */ : 0), relation);
- var entry = relation.get(id);
- if (entry !== undefined) {
- if (reportErrors && entry & 2 /* Failed */ && !(entry & 4 /* Reported */)) {
- // We are elaborating errors and the cached result is an unreported failure. The result will be reported
- // as a failure, and should be updated as a reported failure by the bottom of this function.
- }
- else {
- if (outofbandVarianceMarkerHandler) {
- // We're in the middle of variance checking - integrate any unmeasurable/unreliable flags from this cached component
- var saved = entry & 24 /* ReportsMask */;
- if (saved & 8 /* ReportsUnmeasurable */) {
- instantiateType(source, makeFunctionTypeMapper(reportUnmeasurableMarkers));
- }
- if (saved & 16 /* ReportsUnreliable */) {
- instantiateType(source, makeFunctionTypeMapper(reportUnreliableMarkers));
- }
- }
- return entry & 1 /* Succeeded */ ? -1 /* True */ : 0 /* False */;
- }
- }
- if (!maybeKeys) {
- maybeKeys = [];
- sourceStack = [];
- targetStack = [];
- }
- else {
- for (var i = 0; i < maybeCount; i++) {
- // If source and target are already being compared, consider them related with assumptions
- if (id === maybeKeys[i]) {
- return 1 /* Maybe */;
- }
- }
- if (depth === 100) {
- overflow = true;
- return 0 /* False */;
- }
- }
- var maybeStart = maybeCount;
- maybeKeys[maybeCount] = id;
- maybeCount++;
- sourceStack[depth] = source;
- targetStack[depth] = target;
- depth++;
- var saveExpandingFlags = expandingFlags;
- if (!(expandingFlags & 1 /* Source */) && isDeeplyNestedType(source, sourceStack, depth))
- expandingFlags |= 1 /* Source */;
- if (!(expandingFlags & 2 /* Target */) && isDeeplyNestedType(target, targetStack, depth))
- expandingFlags |= 2 /* Target */;
- var originalHandler;
- var propagatingVarianceFlags = 0;
- if (outofbandVarianceMarkerHandler) {
- originalHandler = outofbandVarianceMarkerHandler;
- outofbandVarianceMarkerHandler = function (onlyUnreliable) {
- propagatingVarianceFlags |= onlyUnreliable ? 16 /* ReportsUnreliable */ : 8 /* ReportsUnmeasurable */;
- return originalHandler(onlyUnreliable);
- };
- }
- var result = expandingFlags !== 3 /* Both */ ? structuredTypeRelatedTo(source, target, reportErrors, intersectionState) : 1 /* Maybe */;
- if (outofbandVarianceMarkerHandler) {
- outofbandVarianceMarkerHandler = originalHandler;
- }
- expandingFlags = saveExpandingFlags;
- depth--;
- if (result) {
- if (result === -1 /* True */ || depth === 0) {
- // If result is definitely true, record all maybe keys as having succeeded
- for (var i = maybeStart; i < maybeCount; i++) {
- relation.set(maybeKeys[i], 1 /* Succeeded */ | propagatingVarianceFlags);
- }
- maybeCount = maybeStart;
- }
- }
- else {
- // A false result goes straight into global cache (when something is false under
- // assumptions it will also be false without assumptions)
- relation.set(id, (reportErrors ? 4 /* Reported */ : 0) | 2 /* Failed */ | propagatingVarianceFlags);
- maybeCount = maybeStart;
- }
- return result;
- }
- function structuredTypeRelatedTo(source, target, reportErrors, intersectionState) {
- if (intersectionState & 4 /* PropertyCheck */) {
- return propertiesRelatedTo(source, target, reportErrors, /*excludedProperties*/ undefined, 0 /* None */);
- }
- var flags = source.flags & target.flags;
- if (relation === identityRelation && !(flags & 524288 /* Object */)) {
- if (flags & 4194304 /* Index */) {
- return isRelatedTo(source.type, target.type, /*reportErrors*/ false);
- }
- var result_6 = 0 /* False */;
- if (flags & 8388608 /* IndexedAccess */) {
- if (result_6 = isRelatedTo(source.objectType, target.objectType, /*reportErrors*/ false)) {
- if (result_6 &= isRelatedTo(source.indexType, target.indexType, /*reportErrors*/ false)) {
- return result_6;
- }
- }
- }
- if (flags & 16777216 /* Conditional */) {
- if (source.root.isDistributive === target.root.isDistributive) {
- if (result_6 = isRelatedTo(source.checkType, target.checkType, /*reportErrors*/ false)) {
- if (result_6 &= isRelatedTo(source.extendsType, target.extendsType, /*reportErrors*/ false)) {
- if (result_6 &= isRelatedTo(getTrueTypeFromConditionalType(source), getTrueTypeFromConditionalType(target), /*reportErrors*/ false)) {
- if (result_6 &= isRelatedTo(getFalseTypeFromConditionalType(source), getFalseTypeFromConditionalType(target), /*reportErrors*/ false)) {
- return result_6;
- }
- }
- }
- }
- }
- }
- if (flags & 33554432 /* Substitution */) {
- return isRelatedTo(source.substitute, target.substitute, /*reportErrors*/ false);
- }
- return 0 /* False */;
- }
- var result;
- var originalErrorInfo;
- var varianceCheckFailed = false;
- var saveErrorInfo = captureErrorCalculationState();
- // We limit alias variance probing to only object and conditional types since their alias behavior
- // is more predictable than other, interned types, which may or may not have an alias depending on
- // the order in which things were checked.
- if (source.flags & (524288 /* Object */ | 16777216 /* Conditional */) && source.aliasSymbol &&
- source.aliasTypeArguments && source.aliasSymbol === target.aliasSymbol &&
- !(source.aliasTypeArgumentsContainsMarker || target.aliasTypeArgumentsContainsMarker)) {
- var variances = getAliasVariances(source.aliasSymbol);
- if (variances === ts.emptyArray) {
- return 1 /* Maybe */;
- }
- var varianceResult = relateVariances(source.aliasTypeArguments, target.aliasTypeArguments, variances, intersectionState);
- if (varianceResult !== undefined) {
- return varianceResult;
- }
- }
- if (target.flags & 262144 /* TypeParameter */) {
- // A source type { [P in Q]: X } is related to a target type T if keyof T is related to Q and X is related to T[Q].
- if (ts.getObjectFlags(source) & 32 /* Mapped */ && isRelatedTo(getIndexType(target), getConstraintTypeFromMappedType(source))) {
- if (!(getMappedTypeModifiers(source) & 4 /* IncludeOptional */)) {
- var templateType = getTemplateTypeFromMappedType(source);
- var indexedAccessType = getIndexedAccessType(target, getTypeParameterFromMappedType(source));
- if (result = isRelatedTo(templateType, indexedAccessType, reportErrors)) {
- return result;
- }
- }
- }
- }
- else if (target.flags & 4194304 /* Index */) {
- // A keyof S is related to a keyof T if T is related to S.
- if (source.flags & 4194304 /* Index */) {
- if (result = isRelatedTo(target.type, source.type, /*reportErrors*/ false)) {
- return result;
- }
- }
- // A type S is assignable to keyof T if S is assignable to keyof C, where C is the
- // simplified form of T or, if T doesn't simplify, the constraint of T.
- var constraint = getSimplifiedTypeOrConstraint(target.type);
- if (constraint) {
- // We require Ternary.True here such that circular constraints don't cause
- // false positives. For example, given 'T extends { [K in keyof T]: string }',
- // 'keyof T' has itself as its constraint and produces a Ternary.Maybe when
- // related to other types.
- if (isRelatedTo(source, getIndexType(constraint, target.stringsOnly), reportErrors) === -1 /* True */) {
- return -1 /* True */;
- }
- }
- }
- else if (target.flags & 8388608 /* IndexedAccess */) {
- // A type S is related to a type T[K] if S is related to C, where C is the base
- // constraint of T[K] for writing.
- if (relation !== identityRelation) {
- var objectType = target.objectType;
- var indexType = target.indexType;
- var baseObjectType = getBaseConstraintOfType(objectType) || objectType;
- var baseIndexType = getBaseConstraintOfType(indexType) || indexType;
- if (!isGenericObjectType(baseObjectType) && !isGenericIndexType(baseIndexType)) {
- var accessFlags = 2 /* Writing */ | (baseObjectType !== objectType ? 1 /* NoIndexSignatures */ : 0);
- var constraint = getIndexedAccessTypeOrUndefined(baseObjectType, baseIndexType, /*accessNode*/ undefined, accessFlags);
- if (constraint && (result = isRelatedTo(source, constraint, reportErrors))) {
- return result;
- }
- }
- }
- }
- else if (isGenericMappedType(target)) {
- // A source type T is related to a target type { [P in X]: T[P] }
- var template = getTemplateTypeFromMappedType(target);
- var modifiers = getMappedTypeModifiers(target);
- if (!(modifiers & 8 /* ExcludeOptional */)) {
- if (template.flags & 8388608 /* IndexedAccess */ && template.objectType === source &&
- template.indexType === getTypeParameterFromMappedType(target)) {
- return -1 /* True */;
- }
- if (!isGenericMappedType(source)) {
- var targetConstraint = getConstraintTypeFromMappedType(target);
- var sourceKeys = getIndexType(source, /*stringsOnly*/ undefined, /*noIndexSignatures*/ true);
- var includeOptional = modifiers & 4 /* IncludeOptional */;
- var filteredByApplicability = includeOptional ? intersectTypes(targetConstraint, sourceKeys) : undefined;
- // A source type T is related to a target type { [P in Q]: X } if Q is related to keyof T and T[Q] is related to X.
- // A source type T is related to a target type { [P in Q]?: X } if some constituent Q' of Q is related to keyof T and T[Q'] is related to X.
- if (includeOptional
- ? !(filteredByApplicability.flags & 131072 /* Never */)
- : isRelatedTo(targetConstraint, sourceKeys)) {
- var typeParameter = getTypeParameterFromMappedType(target);
- var indexingType = filteredByApplicability ? getIntersectionType([filteredByApplicability, typeParameter]) : typeParameter;
- var indexedAccessType = getIndexedAccessType(source, indexingType);
- var templateType = getTemplateTypeFromMappedType(target);
- if (result = isRelatedTo(indexedAccessType, templateType, reportErrors)) {
- return result;
- }
- }
- originalErrorInfo = errorInfo;
- resetErrorInfo(saveErrorInfo);
- }
- }
- }
- if (source.flags & 8650752 /* TypeVariable */) {
- if (source.flags & 8388608 /* IndexedAccess */ && target.flags & 8388608 /* IndexedAccess */) {
- // A type S[K] is related to a type T[J] if S is related to T and K is related to J.
- if (result = isRelatedTo(source.objectType, target.objectType, reportErrors)) {
- result &= isRelatedTo(source.indexType, target.indexType, reportErrors);
- }
- if (result) {
- resetErrorInfo(saveErrorInfo);
- return result;
- }
- }
- else {
- var constraint = getConstraintOfType(source);
- if (!constraint || (source.flags & 262144 /* TypeParameter */ && constraint.flags & 1 /* Any */)) {
- // A type variable with no constraint is not related to the non-primitive object type.
- if (result = isRelatedTo(emptyObjectType, extractTypesOfKind(target, ~67108864 /* NonPrimitive */))) {
- resetErrorInfo(saveErrorInfo);
- return result;
- }
- }
- // hi-speed no-this-instantiation check (less accurate, but avoids costly `this`-instantiation when the constraint will suffice), see #28231 for report on why this is needed
- else if (result = isRelatedTo(constraint, target, /*reportErrors*/ false, /*headMessage*/ undefined, intersectionState)) {
- resetErrorInfo(saveErrorInfo);
- return result;
- }
- // slower, fuller, this-instantiated check (necessary when comparing raw `this` types from base classes), see `subclassWithPolymorphicThisIsAssignable.ts` test for example
- else if (result = isRelatedTo(getTypeWithThisArgument(constraint, source), target, reportErrors, /*headMessage*/ undefined, intersectionState)) {
- resetErrorInfo(saveErrorInfo);
- return result;
- }
- }
- }
- else if (source.flags & 4194304 /* Index */) {
- if (result = isRelatedTo(keyofConstraintType, target, reportErrors)) {
- resetErrorInfo(saveErrorInfo);
- return result;
- }
- }
- else if (source.flags & 16777216 /* Conditional */) {
- if (target.flags & 16777216 /* Conditional */) {
- // Two conditional types 'T1 extends U1 ? X1 : Y1' and 'T2 extends U2 ? X2 : Y2' are related if
- // one of T1 and T2 is related to the other, U1 and U2 are identical types, X1 is related to X2,
- // and Y1 is related to Y2.
- var sourceParams = source.root.inferTypeParameters;
- var sourceExtends = source.extendsType;
- var mapper = void 0;
- if (sourceParams) {
- // If the source has infer type parameters, we instantiate them in the context of the target
- var ctx = createInferenceContext(sourceParams, /*signature*/ undefined, 0 /* None */, isRelatedTo);
- inferTypes(ctx.inferences, target.extendsType, sourceExtends, 128 /* NoConstraints */ | 256 /* AlwaysStrict */);
- sourceExtends = instantiateType(sourceExtends, ctx.mapper);
- mapper = ctx.mapper;
- }
- if (isTypeIdenticalTo(sourceExtends, target.extendsType) &&
- (isRelatedTo(source.checkType, target.checkType) || isRelatedTo(target.checkType, source.checkType))) {
- if (result = isRelatedTo(instantiateType(getTrueTypeFromConditionalType(source), mapper), getTrueTypeFromConditionalType(target), reportErrors)) {
- result &= isRelatedTo(getFalseTypeFromConditionalType(source), getFalseTypeFromConditionalType(target), reportErrors);
- }
- if (result) {
- resetErrorInfo(saveErrorInfo);
- return result;
- }
- }
- }
- else {
- // conditionals aren't related to one another via distributive constraint as it is much too inaccurate and allows way
- // more assignments than are desirable (since it maps the source check type to its constraint, it loses information)
- var distributiveConstraint = getConstraintOfDistributiveConditionalType(source);
- if (distributiveConstraint) {
- if (result = isRelatedTo(distributiveConstraint, target, reportErrors)) {
- resetErrorInfo(saveErrorInfo);
- return result;
- }
- }
- }
- // conditionals _can_ be related to one another via normal constraint, as, eg, `A extends B ? O : never` should be assignable to `O`
- // when `O` is a conditional (`never` is trivially aissgnable to `O`, as is `O`!).
- var defaultConstraint = getDefaultConstraintOfConditionalType(source);
- if (defaultConstraint) {
- if (result = isRelatedTo(defaultConstraint, target, reportErrors)) {
- resetErrorInfo(saveErrorInfo);
- return result;
- }
- }
- }
- else {
- // An empty object type is related to any mapped type that includes a '?' modifier.
- if (relation !== subtypeRelation && relation !== strictSubtypeRelation && isPartialMappedType(target) && isEmptyObjectType(source)) {
- return -1 /* True */;
- }
- if (isGenericMappedType(target)) {
- if (isGenericMappedType(source)) {
- if (result = mappedTypeRelatedTo(source, target, reportErrors)) {
- resetErrorInfo(saveErrorInfo);
- return result;
- }
- }
- return 0 /* False */;
- }
- var sourceIsPrimitive = !!(source.flags & 131068 /* Primitive */);
- if (relation !== identityRelation) {
- source = getApparentType(source);
- }
- else if (isGenericMappedType(source)) {
- return 0 /* False */;
- }
- if (ts.getObjectFlags(source) & 4 /* Reference */ && ts.getObjectFlags(target) & 4 /* Reference */ && source.target === target.target &&
- !(ts.getObjectFlags(source) & 8192 /* MarkerType */ || ts.getObjectFlags(target) & 8192 /* MarkerType */)) {
- // We have type references to the same generic type, and the type references are not marker
- // type references (which are intended by be compared structurally). Obtain the variance
- // information for the type parameters and relate the type arguments accordingly.
- var variances = getVariances(source.target);
- // We return Ternary.Maybe for a recursive invocation of getVariances (signalled by emptyArray). This
- // effectively means we measure variance only from type parameter occurrences that aren't nested in
- // recursive instantiations of the generic type.
- if (variances === ts.emptyArray) {
- return 1 /* Maybe */;
- }
- var varianceResult = relateVariances(getTypeArguments(source), getTypeArguments(target), variances, intersectionState);
- if (varianceResult !== undefined) {
- return varianceResult;
- }
- }
- else if (isReadonlyArrayType(target) ? isArrayType(source) || isTupleType(source) : isArrayType(target) && isTupleType(source) && !source.target.readonly) {
- if (relation !== identityRelation) {
- return isRelatedTo(getIndexTypeOfType(source, 1 /* Number */) || anyType, getIndexTypeOfType(target, 1 /* Number */) || anyType, reportErrors);
- }
- else {
- // By flags alone, we know that the `target` is a readonly array while the source is a normal array or tuple
- // or `target` is an array and source is a tuple - in both cases the types cannot be identical, by construction
- return 0 /* False */;
- }
- }
- // Consider a fresh empty object literal type "closed" under the subtype relationship - this way `{} <- {[idx: string]: any} <- fresh({})`
- // and not `{} <- fresh({}) <- {[idx: string]: any}`
- else if ((relation === subtypeRelation || relation === strictSubtypeRelation) && isEmptyObjectType(target) && ts.getObjectFlags(target) & 32768 /* FreshLiteral */ && !isEmptyObjectType(source)) {
- return 0 /* False */;
- }
- // Even if relationship doesn't hold for unions, intersections, or generic type references,
- // it may hold in a structural comparison.
- // In a check of the form X = A & B, we will have previously checked if A relates to X or B relates
- // to X. Failing both of those we want to check if the aggregation of A and B's members structurally
- // relates to X. Thus, we include intersection types on the source side here.
- if (source.flags & (524288 /* Object */ | 2097152 /* Intersection */) && target.flags & 524288 /* Object */) {
- // Report structural errors only if we haven't reported any errors yet
- var reportStructuralErrors = reportErrors && errorInfo === saveErrorInfo.errorInfo && !sourceIsPrimitive;
- result = propertiesRelatedTo(source, target, reportStructuralErrors, /*excludedProperties*/ undefined, intersectionState);
- if (result) {
- result &= signaturesRelatedTo(source, target, 0 /* Call */, reportStructuralErrors);
- if (result) {
- result &= signaturesRelatedTo(source, target, 1 /* Construct */, reportStructuralErrors);
- if (result) {
- result &= indexTypesRelatedTo(source, target, 0 /* String */, sourceIsPrimitive, reportStructuralErrors, intersectionState);
- if (result) {
- result &= indexTypesRelatedTo(source, target, 1 /* Number */, sourceIsPrimitive, reportStructuralErrors, intersectionState);
- }
- }
- }
- }
- if (varianceCheckFailed && result) {
- errorInfo = originalErrorInfo || errorInfo || saveErrorInfo.errorInfo; // Use variance error (there is no structural one) and return false
- }
- else if (result) {
- return result;
- }
- }
- // If S is an object type and T is a discriminated union, S may be related to T if
- // there exists a constituent of T for every combination of the discriminants of S
- // with respect to T. We do not report errors here, as we will use the existing
- // error result from checking each constituent of the union.
- if (source.flags & (524288 /* Object */ | 2097152 /* Intersection */) && target.flags & 1048576 /* Union */) {
- var objectOnlyTarget = extractTypesOfKind(target, 524288 /* Object */ | 2097152 /* Intersection */ | 33554432 /* Substitution */);
- if (objectOnlyTarget.flags & 1048576 /* Union */) {
- var result_7 = typeRelatedToDiscriminatedType(source, objectOnlyTarget);
- if (result_7) {
- return result_7;
- }
- }
- }
- }
- return 0 /* False */;
- function relateVariances(sourceTypeArguments, targetTypeArguments, variances, intersectionState) {
- if (result = typeArgumentsRelatedTo(sourceTypeArguments, targetTypeArguments, variances, reportErrors, intersectionState)) {
- return result;
- }
- if (ts.some(variances, function (v) { return !!(v & 24 /* AllowsStructuralFallback */); })) {
- // If some type parameter was `Unmeasurable` or `Unreliable`, and we couldn't pass by assuming it was identical, then we
- // have to allow a structural fallback check
- // We elide the variance-based error elaborations, since those might not be too helpful, since we'll potentially
- // be assuming identity of the type parameter.
- originalErrorInfo = undefined;
- resetErrorInfo(saveErrorInfo);
- return undefined;
- }
- var allowStructuralFallback = targetTypeArguments && hasCovariantVoidArgument(targetTypeArguments, variances);
- varianceCheckFailed = !allowStructuralFallback;
- // The type arguments did not relate appropriately, but it may be because we have no variance
- // information (in which case typeArgumentsRelatedTo defaulted to covariance for all type
- // arguments). It might also be the case that the target type has a 'void' type argument for
- // a covariant type parameter that is only used in return positions within the generic type
- // (in which case any type argument is permitted on the source side). In those cases we proceed
- // with a structural comparison. Otherwise, we know for certain the instantiations aren't
- // related and we can return here.
- if (variances !== ts.emptyArray && !allowStructuralFallback) {
- // In some cases generic types that are covariant in regular type checking mode become
- // invariant in --strictFunctionTypes mode because one or more type parameters are used in
- // both co- and contravariant positions. In order to make it easier to diagnose *why* such
- // types are invariant, if any of the type parameters are invariant we reset the reported
- // errors and instead force a structural comparison (which will include elaborations that
- // reveal the reason).
- // We can switch on `reportErrors` here, since varianceCheckFailed guarantees we return `False`,
- // we can return `False` early here to skip calculating the structural error message we don't need.
- if (varianceCheckFailed && !(reportErrors && ts.some(variances, function (v) { return (v & 7 /* VarianceMask */) === 0 /* Invariant */; }))) {
- return 0 /* False */;
- }
- // We remember the original error information so we can restore it in case the structural
- // comparison unexpectedly succeeds. This can happen when the structural comparison result
- // is a Ternary.Maybe for example caused by the recursion depth limiter.
- originalErrorInfo = errorInfo;
- resetErrorInfo(saveErrorInfo);
- }
- }
- }
- function reportUnmeasurableMarkers(p) {
- if (outofbandVarianceMarkerHandler && (p === markerSuperType || p === markerSubType || p === markerOtherType)) {
- outofbandVarianceMarkerHandler(/*onlyUnreliable*/ false);
- }
- return p;
- }
- function reportUnreliableMarkers(p) {
- if (outofbandVarianceMarkerHandler && (p === markerSuperType || p === markerSubType || p === markerOtherType)) {
- outofbandVarianceMarkerHandler(/*onlyUnreliable*/ true);
- }
- return p;
- }
- // A type [P in S]: X is related to a type [Q in T]: Y if T is related to S and X' is
- // related to Y, where X' is an instantiation of X in which P is replaced with Q. Notice
- // that S and T are contra-variant whereas X and Y are co-variant.
- function mappedTypeRelatedTo(source, target, reportErrors) {
- var modifiersRelated = relation === comparableRelation || (relation === identityRelation ? getMappedTypeModifiers(source) === getMappedTypeModifiers(target) :
- getCombinedMappedTypeOptionality(source) <= getCombinedMappedTypeOptionality(target));
- if (modifiersRelated) {
- var result_8;
- var targetConstraint = getConstraintTypeFromMappedType(target);
- var sourceConstraint = instantiateType(getConstraintTypeFromMappedType(source), makeFunctionTypeMapper(getCombinedMappedTypeOptionality(source) < 0 ? reportUnmeasurableMarkers : reportUnreliableMarkers));
- if (result_8 = isRelatedTo(targetConstraint, sourceConstraint, reportErrors)) {
- var mapper = createTypeMapper([getTypeParameterFromMappedType(source)], [getTypeParameterFromMappedType(target)]);
- return result_8 & isRelatedTo(instantiateType(getTemplateTypeFromMappedType(source), mapper), getTemplateTypeFromMappedType(target), reportErrors);
- }
- }
- return 0 /* False */;
- }
- function typeRelatedToDiscriminatedType(source, target) {
- // 1. Generate the combinations of discriminant properties & types 'source' can satisfy.
- // a. If the number of combinations is above a set limit, the comparison is too complex.
- // 2. Filter 'target' to the subset of types whose discriminants exist in the matrix.
- // a. If 'target' does not satisfy all discriminants in the matrix, 'source' is not related.
- // 3. For each type in the filtered 'target', determine if all non-discriminant properties of
- // 'target' are related to a property in 'source'.
- //
- // NOTE: See ~/tests/cases/conformance/types/typeRelationships/assignmentCompatibility/assignmentCompatWithDiscriminatedUnion.ts
- // for examples.
- var sourceProperties = getPropertiesOfType(source);
- var sourcePropertiesFiltered = findDiscriminantProperties(sourceProperties, target);
- if (!sourcePropertiesFiltered)
- return 0 /* False */;
- // Though we could compute the number of combinations as we generate
- // the matrix, this would incur additional memory overhead due to
- // array allocations. To reduce this overhead, we first compute
- // the number of combinations to ensure we will not surpass our
- // fixed limit before incurring the cost of any allocations:
- var numCombinations = 1;
- for (var _i = 0, sourcePropertiesFiltered_1 = sourcePropertiesFiltered; _i < sourcePropertiesFiltered_1.length; _i++) {
- var sourceProperty = sourcePropertiesFiltered_1[_i];
- numCombinations *= countTypes(getTypeOfSymbol(sourceProperty));
- if (numCombinations > 25) {
- // We've reached the complexity limit.
- return 0 /* False */;
- }
- }
- // Compute the set of types for each discriminant property.
- var sourceDiscriminantTypes = new Array(sourcePropertiesFiltered.length);
- var excludedProperties = ts.createUnderscoreEscapedMap();
- for (var i = 0; i < sourcePropertiesFiltered.length; i++) {
- var sourceProperty = sourcePropertiesFiltered[i];
- var sourcePropertyType = getTypeOfSymbol(sourceProperty);
- sourceDiscriminantTypes[i] = sourcePropertyType.flags & 1048576 /* Union */
- ? sourcePropertyType.types
- : [sourcePropertyType];
- excludedProperties.set(sourceProperty.escapedName, true);
- }
- // Match each combination of the cartesian product of discriminant properties to one or more
- // constituents of 'target'. If any combination does not have a match then 'source' is not relatable.
- var discriminantCombinations = ts.cartesianProduct(sourceDiscriminantTypes);
- var matchingTypes = [];
- var _loop_14 = function (combination) {
- var hasMatch = false;
- outer: for (var _i = 0, _a = target.types; _i < _a.length; _i++) {
- var type = _a[_i];
- var _loop_15 = function (i) {
- var sourceProperty = sourcePropertiesFiltered[i];
- var targetProperty = getPropertyOfType(type, sourceProperty.escapedName);
- if (!targetProperty)
- return "continue-outer";
- if (sourceProperty === targetProperty)
- return "continue";
- // We compare the source property to the target in the context of a single discriminant type.
- var related = propertyRelatedTo(source, target, sourceProperty, targetProperty, function (_) { return combination[i]; }, /*reportErrors*/ false, 0 /* None */, /*skipOptional*/ strictNullChecks || relation === comparableRelation);
- // If the target property could not be found, or if the properties were not related,
- // then this constituent is not a match.
- if (!related) {
- return "continue-outer";
- }
- };
- for (var i = 0; i < sourcePropertiesFiltered.length; i++) {
- var state_7 = _loop_15(i);
- switch (state_7) {
- case "continue-outer": continue outer;
- }
- }
- ts.pushIfUnique(matchingTypes, type, ts.equateValues);
- hasMatch = true;
- }
- if (!hasMatch) {
- return { value: 0 /* False */ };
- }
- };
- for (var _a = 0, discriminantCombinations_1 = discriminantCombinations; _a < discriminantCombinations_1.length; _a++) {
- var combination = discriminantCombinations_1[_a];
- var state_6 = _loop_14(combination);
- if (typeof state_6 === "object")
- return state_6.value;
- }
- // Compare the remaining non-discriminant properties of each match.
- var result = -1 /* True */;
- for (var _b = 0, matchingTypes_1 = matchingTypes; _b < matchingTypes_1.length; _b++) {
- var type = matchingTypes_1[_b];
- result &= propertiesRelatedTo(source, type, /*reportErrors*/ false, excludedProperties, 0 /* None */);
- if (result) {
- result &= signaturesRelatedTo(source, type, 0 /* Call */, /*reportStructuralErrors*/ false);
- if (result) {
- result &= signaturesRelatedTo(source, type, 1 /* Construct */, /*reportStructuralErrors*/ false);
- if (result) {
- result &= indexTypesRelatedTo(source, type, 0 /* String */, /*sourceIsPrimitive*/ false, /*reportStructuralErrors*/ false, 0 /* None */);
- if (result) {
- result &= indexTypesRelatedTo(source, type, 1 /* Number */, /*sourceIsPrimitive*/ false, /*reportStructuralErrors*/ false, 0 /* None */);
- }
- }
- }
- }
- if (!result) {
- return result;
- }
- }
- return result;
- }
- function excludeProperties(properties, excludedProperties) {
- if (!excludedProperties || properties.length === 0)
- return properties;
- var result;
- for (var i = 0; i < properties.length; i++) {
- if (!excludedProperties.has(properties[i].escapedName)) {
- if (result) {
- result.push(properties[i]);
- }
- }
- else if (!result) {
- result = properties.slice(0, i);
- }
- }
- return result || properties;
- }
- function isPropertySymbolTypeRelated(sourceProp, targetProp, getTypeOfSourceProperty, reportErrors, intersectionState) {
- var targetIsOptional = strictNullChecks && !!(ts.getCheckFlags(targetProp) & 48 /* Partial */);
- var source = getTypeOfSourceProperty(sourceProp);
- if (ts.getCheckFlags(targetProp) & 65536 /* DeferredType */ && !getSymbolLinks(targetProp).type) {
- // Rather than resolving (and normalizing) the type, relate constituent-by-constituent without performing normalization or seconadary passes
- var links = getSymbolLinks(targetProp);
- ts.Debug.assertIsDefined(links.deferralParent);
- ts.Debug.assertIsDefined(links.deferralConstituents);
- var unionParent = !!(links.deferralParent.flags & 1048576 /* Union */);
- var result_9 = unionParent ? 0 /* False */ : -1 /* True */;
- var targetTypes = links.deferralConstituents;
- for (var _i = 0, targetTypes_3 = targetTypes; _i < targetTypes_3.length; _i++) {
- var targetType = targetTypes_3[_i];
- var related = isRelatedTo(source, targetType, /*reportErrors*/ false, /*headMessage*/ undefined, unionParent ? 0 : 2 /* Target */);
- if (!unionParent) {
- if (!related) {
- // Can't assign to a target individually - have to fallback to assigning to the _whole_ intersection (which forces normalization)
- return isRelatedTo(source, addOptionality(getTypeOfSymbol(targetProp), targetIsOptional), reportErrors);
- }
- result_9 &= related;
- }
- else {
- if (related) {
- return related;
- }
- }
- }
- if (unionParent && !result_9 && targetIsOptional) {
- result_9 = isRelatedTo(source, undefinedType);
- }
- if (unionParent && !result_9 && reportErrors) {
- // The easiest way to get the right errors here is to un-defer (which may be costly)
- // If it turns out this is too costly too often, we can replicate the error handling logic within
- // typeRelatedToSomeType without the discriminatable type branch (as that requires a manifest union
- // type on which to hand discriminable properties, which we are expressly trying to avoid here)
- return isRelatedTo(source, addOptionality(getTypeOfSymbol(targetProp), targetIsOptional), reportErrors);
- }
- return result_9;
- }
- else {
- return isRelatedTo(source, addOptionality(getTypeOfSymbol(targetProp), targetIsOptional), reportErrors, /*headMessage*/ undefined, intersectionState);
- }
- }
- function propertyRelatedTo(source, target, sourceProp, targetProp, getTypeOfSourceProperty, reportErrors, intersectionState, skipOptional) {
- var sourcePropFlags = ts.getDeclarationModifierFlagsFromSymbol(sourceProp);
- var targetPropFlags = ts.getDeclarationModifierFlagsFromSymbol(targetProp);
- if (sourcePropFlags & 8 /* Private */ || targetPropFlags & 8 /* Private */) {
- if (sourceProp.valueDeclaration !== targetProp.valueDeclaration) {
- if (reportErrors) {
- if (sourcePropFlags & 8 /* Private */ && targetPropFlags & 8 /* Private */) {
- reportError(ts.Diagnostics.Types_have_separate_declarations_of_a_private_property_0, symbolToString(targetProp));
- }
- else {
- reportError(ts.Diagnostics.Property_0_is_private_in_type_1_but_not_in_type_2, symbolToString(targetProp), typeToString(sourcePropFlags & 8 /* Private */ ? source : target), typeToString(sourcePropFlags & 8 /* Private */ ? target : source));
- }
- }
- return 0 /* False */;
- }
- }
- else if (targetPropFlags & 16 /* Protected */) {
- if (!isValidOverrideOf(sourceProp, targetProp)) {
- if (reportErrors) {
- reportError(ts.Diagnostics.Property_0_is_protected_but_type_1_is_not_a_class_derived_from_2, symbolToString(targetProp), typeToString(getDeclaringClass(sourceProp) || source), typeToString(getDeclaringClass(targetProp) || target));
- }
- return 0 /* False */;
- }
- }
- else if (sourcePropFlags & 16 /* Protected */) {
- if (reportErrors) {
- reportError(ts.Diagnostics.Property_0_is_protected_in_type_1_but_public_in_type_2, symbolToString(targetProp), typeToString(source), typeToString(target));
- }
- return 0 /* False */;
- }
- // If the target comes from a partial union prop, allow `undefined` in the target type
- var related = isPropertySymbolTypeRelated(sourceProp, targetProp, getTypeOfSourceProperty, reportErrors, intersectionState);
- if (!related) {
- if (reportErrors) {
- reportIncompatibleError(ts.Diagnostics.Types_of_property_0_are_incompatible, symbolToString(targetProp));
- }
- return 0 /* False */;
- }
- // When checking for comparability, be more lenient with optional properties.
- if (!skipOptional && sourceProp.flags & 16777216 /* Optional */ && !(targetProp.flags & 16777216 /* Optional */)) {
- // TypeScript 1.0 spec (April 2014): 3.8.3
- // S is a subtype of a type T, and T is a supertype of S if ...
- // S' and T are object types and, for each member M in T..
- // M is a property and S' contains a property N where
- // if M is a required property, N is also a required property
- // (M - property in T)
- // (N - property in S)
- if (reportErrors) {
- reportError(ts.Diagnostics.Property_0_is_optional_in_type_1_but_required_in_type_2, symbolToString(targetProp), typeToString(source), typeToString(target));
- }
- return 0 /* False */;
- }
- return related;
- }
- function reportUnmatchedProperty(source, target, unmatchedProperty, requireOptionalProperties) {
- var shouldSkipElaboration = false;
- // give specific error in case where private names have the same description
- if (unmatchedProperty.valueDeclaration
- && ts.isNamedDeclaration(unmatchedProperty.valueDeclaration)
- && ts.isPrivateIdentifier(unmatchedProperty.valueDeclaration.name)
- && source.symbol
- && source.symbol.flags & 32 /* Class */) {
- var privateIdentifierDescription = unmatchedProperty.valueDeclaration.name.escapedText;
- var symbolTableKey = ts.getSymbolNameForPrivateIdentifier(source.symbol, privateIdentifierDescription);
- if (symbolTableKey && getPropertyOfType(source, symbolTableKey)) {
- var sourceName = ts.getDeclarationName(source.symbol.valueDeclaration);
- var targetName = ts.getDeclarationName(target.symbol.valueDeclaration);
- reportError(ts.Diagnostics.Property_0_in_type_1_refers_to_a_different_member_that_cannot_be_accessed_from_within_type_2, diagnosticName(privateIdentifierDescription), diagnosticName(sourceName.escapedText === "" ? anon : sourceName), diagnosticName(targetName.escapedText === "" ? anon : targetName));
- return;
- }
- }
- var props = ts.arrayFrom(getUnmatchedProperties(source, target, requireOptionalProperties, /*matchDiscriminantProperties*/ false));
- if (!headMessage || (headMessage.code !== ts.Diagnostics.Class_0_incorrectly_implements_interface_1.code &&
- headMessage.code !== ts.Diagnostics.Class_0_incorrectly_implements_class_1_Did_you_mean_to_extend_1_and_inherit_its_members_as_a_subclass.code)) {
- shouldSkipElaboration = true; // Retain top-level error for interface implementing issues, otherwise omit it
- }
- if (props.length === 1) {
- var propName = symbolToString(unmatchedProperty);
- reportError.apply(void 0, __spreadArrays([ts.Diagnostics.Property_0_is_missing_in_type_1_but_required_in_type_2, propName], getTypeNamesForErrorDisplay(source, target)));
- if (ts.length(unmatchedProperty.declarations)) {
- associateRelatedInfo(ts.createDiagnosticForNode(unmatchedProperty.declarations[0], ts.Diagnostics._0_is_declared_here, propName));
- }
- if (shouldSkipElaboration && errorInfo) {
- overrideNextErrorInfo++;
- }
- }
- else if (tryElaborateArrayLikeErrors(source, target, /*reportErrors*/ false)) {
- if (props.length > 5) { // arbitrary cutoff for too-long list form
- reportError(ts.Diagnostics.Type_0_is_missing_the_following_properties_from_type_1_Colon_2_and_3_more, typeToString(source), typeToString(target), ts.map(props.slice(0, 4), function (p) { return symbolToString(p); }).join(", "), props.length - 4);
- }
- else {
- reportError(ts.Diagnostics.Type_0_is_missing_the_following_properties_from_type_1_Colon_2, typeToString(source), typeToString(target), ts.map(props, function (p) { return symbolToString(p); }).join(", "));
- }
- if (shouldSkipElaboration && errorInfo) {
- overrideNextErrorInfo++;
- }
- }
- // No array like or unmatched property error - just issue top level error (errorInfo = undefined)
- }
- function propertiesRelatedTo(source, target, reportErrors, excludedProperties, intersectionState) {
- if (relation === identityRelation) {
- return propertiesIdenticalTo(source, target, excludedProperties);
- }
- var requireOptionalProperties = (relation === subtypeRelation || relation === strictSubtypeRelation) && !isObjectLiteralType(source) && !isEmptyArrayLiteralType(source) && !isTupleType(source);
- var unmatchedProperty = getUnmatchedProperty(source, target, requireOptionalProperties, /*matchDiscriminantProperties*/ false);
- if (unmatchedProperty) {
- if (reportErrors) {
- reportUnmatchedProperty(source, target, unmatchedProperty, requireOptionalProperties);
- }
- return 0 /* False */;
- }
- if (isObjectLiteralType(target)) {
- for (var _i = 0, _a = excludeProperties(getPropertiesOfType(source), excludedProperties); _i < _a.length; _i++) {
- var sourceProp = _a[_i];
- if (!getPropertyOfObjectType(target, sourceProp.escapedName)) {
- var sourceType = getTypeOfSymbol(sourceProp);
- if (!(sourceType === undefinedType || sourceType === undefinedWideningType || sourceType === optionalType)) {
- if (reportErrors) {
- reportError(ts.Diagnostics.Property_0_does_not_exist_on_type_1, symbolToString(sourceProp), typeToString(target));
- }
- return 0 /* False */;
- }
- }
- }
- }
- var result = -1 /* True */;
- if (isTupleType(target)) {
- var targetRestType = getRestTypeOfTupleType(target);
- if (targetRestType) {
- if (!isTupleType(source)) {
- return 0 /* False */;
- }
- var sourceRestType = getRestTypeOfTupleType(source);
- if (sourceRestType && !isRelatedTo(sourceRestType, targetRestType, reportErrors)) {
- if (reportErrors) {
- reportError(ts.Diagnostics.Rest_signatures_are_incompatible);
- }
- return 0 /* False */;
- }
- var targetCount = getTypeReferenceArity(target) - 1;
- var sourceCount = getTypeReferenceArity(source) - (sourceRestType ? 1 : 0);
- var sourceTypeArguments = getTypeArguments(source);
- for (var i = targetCount; i < sourceCount; i++) {
- var related = isRelatedTo(sourceTypeArguments[i], targetRestType, reportErrors);
- if (!related) {
- if (reportErrors) {
- reportError(ts.Diagnostics.Property_0_is_incompatible_with_rest_element_type, "" + i);
- }
- return 0 /* False */;
- }
- result &= related;
- }
- }
- }
- // We only call this for union target types when we're attempting to do excess property checking - in those cases, we want to get _all possible props_
- // from the target union, across all members
- var properties = getPropertiesOfType(target);
- var numericNamesOnly = isTupleType(source) && isTupleType(target);
- for (var _b = 0, _c = excludeProperties(properties, excludedProperties); _b < _c.length; _b++) {
- var targetProp = _c[_b];
- var name = targetProp.escapedName;
- if (!(targetProp.flags & 4194304 /* Prototype */) && (!numericNamesOnly || isNumericLiteralName(name) || name === "length")) {
- var sourceProp = getPropertyOfType(source, name);
- if (sourceProp && sourceProp !== targetProp) {
- var related = propertyRelatedTo(source, target, sourceProp, targetProp, getTypeOfSymbol, reportErrors, intersectionState, relation === comparableRelation);
- if (!related) {
- return 0 /* False */;
- }
- result &= related;
- }
- }
- }
- return result;
- }
- function propertiesIdenticalTo(source, target, excludedProperties) {
- if (!(source.flags & 524288 /* Object */ && target.flags & 524288 /* Object */)) {
- return 0 /* False */;
- }
- var sourceProperties = excludeProperties(getPropertiesOfObjectType(source), excludedProperties);
- var targetProperties = excludeProperties(getPropertiesOfObjectType(target), excludedProperties);
- if (sourceProperties.length !== targetProperties.length) {
- return 0 /* False */;
- }
- var result = -1 /* True */;
- for (var _i = 0, sourceProperties_1 = sourceProperties; _i < sourceProperties_1.length; _i++) {
- var sourceProp = sourceProperties_1[_i];
- var targetProp = getPropertyOfObjectType(target, sourceProp.escapedName);
- if (!targetProp) {
- return 0 /* False */;
- }
- var related = compareProperties(sourceProp, targetProp, isRelatedTo);
- if (!related) {
- return 0 /* False */;
- }
- result &= related;
- }
- return result;
- }
- function signaturesRelatedTo(source, target, kind, reportErrors) {
- if (relation === identityRelation) {
- return signaturesIdenticalTo(source, target, kind);
- }
- if (target === anyFunctionType || source === anyFunctionType) {
- return -1 /* True */;
- }
- var sourceIsJSConstructor = source.symbol && isJSConstructor(source.symbol.valueDeclaration);
- var targetIsJSConstructor = target.symbol && isJSConstructor(target.symbol.valueDeclaration);
- var sourceSignatures = getSignaturesOfType(source, (sourceIsJSConstructor && kind === 1 /* Construct */) ?
- 0 /* Call */ : kind);
- var targetSignatures = getSignaturesOfType(target, (targetIsJSConstructor && kind === 1 /* Construct */) ?
- 0 /* Call */ : kind);
- if (kind === 1 /* Construct */ && sourceSignatures.length && targetSignatures.length) {
- if (ts.isAbstractConstructorType(source) && !ts.isAbstractConstructorType(target)) {
- // An abstract constructor type is not assignable to a non-abstract constructor type
- // as it would otherwise be possible to new an abstract class. Note that the assignability
- // check we perform for an extends clause excludes construct signatures from the target,
- // so this check never proceeds.
- if (reportErrors) {
- reportError(ts.Diagnostics.Cannot_assign_an_abstract_constructor_type_to_a_non_abstract_constructor_type);
- }
- return 0 /* False */;
- }
- if (!constructorVisibilitiesAreCompatible(sourceSignatures[0], targetSignatures[0], reportErrors)) {
- return 0 /* False */;
- }
- }
- var result = -1 /* True */;
- var saveErrorInfo = captureErrorCalculationState();
- var incompatibleReporter = kind === 1 /* Construct */ ? reportIncompatibleConstructSignatureReturn : reportIncompatibleCallSignatureReturn;
- if (ts.getObjectFlags(source) & 64 /* Instantiated */ && ts.getObjectFlags(target) & 64 /* Instantiated */ && source.symbol === target.symbol) {
- // We have instantiations of the same anonymous type (which typically will be the type of a
- // method). Simply do a pairwise comparison of the signatures in the two signature lists instead
- // of the much more expensive N * M comparison matrix we explore below. We erase type parameters
- // as they are known to always be the same.
- for (var i = 0; i < targetSignatures.length; i++) {
- var related = signatureRelatedTo(sourceSignatures[i], targetSignatures[i], /*erase*/ true, reportErrors, incompatibleReporter(sourceSignatures[i], targetSignatures[i]));
- if (!related) {
- return 0 /* False */;
- }
- result &= related;
- }
- }
- else if (sourceSignatures.length === 1 && targetSignatures.length === 1) {
- // For simple functions (functions with a single signature) we only erase type parameters for
- // the comparable relation. Otherwise, if the source signature is generic, we instantiate it
- // in the context of the target signature before checking the relationship. Ideally we'd do
- // this regardless of the number of signatures, but the potential costs are prohibitive due
- // to the quadratic nature of the logic below.
- var eraseGenerics = relation === comparableRelation || !!compilerOptions.noStrictGenericChecks;
- result = signatureRelatedTo(sourceSignatures[0], targetSignatures[0], eraseGenerics, reportErrors, incompatibleReporter(sourceSignatures[0], targetSignatures[0]));
- }
- else {
- outer: for (var _i = 0, targetSignatures_1 = targetSignatures; _i < targetSignatures_1.length; _i++) {
- var t = targetSignatures_1[_i];
- // Only elaborate errors from the first failure
- var shouldElaborateErrors = reportErrors;
- for (var _a = 0, sourceSignatures_1 = sourceSignatures; _a < sourceSignatures_1.length; _a++) {
- var s = sourceSignatures_1[_a];
- var related = signatureRelatedTo(s, t, /*erase*/ true, shouldElaborateErrors, incompatibleReporter(s, t));
- if (related) {
- result &= related;
- resetErrorInfo(saveErrorInfo);
- continue outer;
- }
- shouldElaborateErrors = false;
- }
- if (shouldElaborateErrors) {
- reportError(ts.Diagnostics.Type_0_provides_no_match_for_the_signature_1, typeToString(source), signatureToString(t, /*enclosingDeclaration*/ undefined, /*flags*/ undefined, kind));
- }
- return 0 /* False */;
- }
- }
- return result;
- }
- function reportIncompatibleCallSignatureReturn(siga, sigb) {
- if (siga.parameters.length === 0 && sigb.parameters.length === 0) {
- return function (source, target) { return reportIncompatibleError(ts.Diagnostics.Call_signatures_with_no_arguments_have_incompatible_return_types_0_and_1, typeToString(source), typeToString(target)); };
- }
- return function (source, target) { return reportIncompatibleError(ts.Diagnostics.Call_signature_return_types_0_and_1_are_incompatible, typeToString(source), typeToString(target)); };
- }
- function reportIncompatibleConstructSignatureReturn(siga, sigb) {
- if (siga.parameters.length === 0 && sigb.parameters.length === 0) {
- return function (source, target) { return reportIncompatibleError(ts.Diagnostics.Construct_signatures_with_no_arguments_have_incompatible_return_types_0_and_1, typeToString(source), typeToString(target)); };
- }
- return function (source, target) { return reportIncompatibleError(ts.Diagnostics.Construct_signature_return_types_0_and_1_are_incompatible, typeToString(source), typeToString(target)); };
- }
- /**
- * See signatureAssignableTo, compareSignaturesIdentical
- */
- function signatureRelatedTo(source, target, erase, reportErrors, incompatibleReporter) {
- return compareSignaturesRelated(erase ? getErasedSignature(source) : source, erase ? getErasedSignature(target) : target, relation === strictSubtypeRelation ? 8 /* StrictArity */ : 0, reportErrors, reportError, incompatibleReporter, isRelatedTo, makeFunctionTypeMapper(reportUnreliableMarkers));
- }
- function signaturesIdenticalTo(source, target, kind) {
- var sourceSignatures = getSignaturesOfType(source, kind);
- var targetSignatures = getSignaturesOfType(target, kind);
- if (sourceSignatures.length !== targetSignatures.length) {
- return 0 /* False */;
- }
- var result = -1 /* True */;
- for (var i = 0; i < sourceSignatures.length; i++) {
- var related = compareSignaturesIdentical(sourceSignatures[i], targetSignatures[i], /*partialMatch*/ false, /*ignoreThisTypes*/ false, /*ignoreReturnTypes*/ false, isRelatedTo);
- if (!related) {
- return 0 /* False */;
- }
- result &= related;
- }
- return result;
- }
- function eachPropertyRelatedTo(source, target, kind, reportErrors) {
- var result = -1 /* True */;
- var props = source.flags & 2097152 /* Intersection */ ? getPropertiesOfUnionOrIntersectionType(source) : getPropertiesOfObjectType(source);
- for (var _i = 0, props_2 = props; _i < props_2.length; _i++) {
- var prop = props_2[_i];
- // Skip over ignored JSX and symbol-named members
- if (isIgnoredJsxProperty(source, prop)) {
- continue;
- }
- var nameType = getSymbolLinks(prop).nameType;
- if (nameType && nameType.flags & 8192 /* UniqueESSymbol */) {
- continue;
- }
- if (kind === 0 /* String */ || isNumericLiteralName(prop.escapedName)) {
- var related = isRelatedTo(getTypeOfSymbol(prop), target, reportErrors);
- if (!related) {
- if (reportErrors) {
- reportError(ts.Diagnostics.Property_0_is_incompatible_with_index_signature, symbolToString(prop));
- }
- return 0 /* False */;
- }
- result &= related;
- }
- }
- return result;
- }
- function indexTypeRelatedTo(sourceType, targetType, reportErrors) {
- var related = isRelatedTo(sourceType, targetType, reportErrors);
- if (!related && reportErrors) {
- reportError(ts.Diagnostics.Index_signatures_are_incompatible);
- }
- return related;
- }
- function indexTypesRelatedTo(source, target, kind, sourceIsPrimitive, reportErrors, intersectionState) {
- if (relation === identityRelation) {
- return indexTypesIdenticalTo(source, target, kind);
- }
- var targetType = getIndexTypeOfType(target, kind);
- if (!targetType || targetType.flags & 1 /* Any */ && !sourceIsPrimitive) {
- // Index signature of type any permits assignment from everything but primitives
- return -1 /* True */;
- }
- if (isGenericMappedType(source)) {
- // A generic mapped type { [P in K]: T } is related to an index signature { [x: string]: U }
- // if T is related to U.
- return kind === 0 /* String */ ? isRelatedTo(getTemplateTypeFromMappedType(source), targetType, reportErrors) : 0 /* False */;
- }
- var indexType = getIndexTypeOfType(source, kind) || kind === 1 /* Number */ && getIndexTypeOfType(source, 0 /* String */);
- if (indexType) {
- return indexTypeRelatedTo(indexType, targetType, reportErrors);
- }
- if (!(intersectionState & 1 /* Source */) && isObjectTypeWithInferableIndex(source)) {
- // Intersection constituents are never considered to have an inferred index signature
- var related = eachPropertyRelatedTo(source, targetType, kind, reportErrors);
- if (related && kind === 0 /* String */) {
- var numberIndexType = getIndexTypeOfType(source, 1 /* Number */);
- if (numberIndexType) {
- related &= indexTypeRelatedTo(numberIndexType, targetType, reportErrors);
- }
- }
- return related;
- }
- if (reportErrors) {
- reportError(ts.Diagnostics.Index_signature_is_missing_in_type_0, typeToString(source));
- }
- return 0 /* False */;
- }
- function indexTypesIdenticalTo(source, target, indexKind) {
- var targetInfo = getIndexInfoOfType(target, indexKind);
- var sourceInfo = getIndexInfoOfType(source, indexKind);
- if (!sourceInfo && !targetInfo) {
- return -1 /* True */;
- }
- if (sourceInfo && targetInfo && sourceInfo.isReadonly === targetInfo.isReadonly) {
- return isRelatedTo(sourceInfo.type, targetInfo.type);
- }
- return 0 /* False */;
- }
- function constructorVisibilitiesAreCompatible(sourceSignature, targetSignature, reportErrors) {
- if (!sourceSignature.declaration || !targetSignature.declaration) {
- return true;
- }
- var sourceAccessibility = ts.getSelectedModifierFlags(sourceSignature.declaration, 24 /* NonPublicAccessibilityModifier */);
- var targetAccessibility = ts.getSelectedModifierFlags(targetSignature.declaration, 24 /* NonPublicAccessibilityModifier */);
- // A public, protected and private signature is assignable to a private signature.
- if (targetAccessibility === 8 /* Private */) {
- return true;
- }
- // A public and protected signature is assignable to a protected signature.
- if (targetAccessibility === 16 /* Protected */ && sourceAccessibility !== 8 /* Private */) {
- return true;
- }
- // Only a public signature is assignable to public signature.
- if (targetAccessibility !== 16 /* Protected */ && !sourceAccessibility) {
- return true;
- }
- if (reportErrors) {
- reportError(ts.Diagnostics.Cannot_assign_a_0_constructor_type_to_a_1_constructor_type, visibilityToString(sourceAccessibility), visibilityToString(targetAccessibility));
- }
- return false;
- }
- }
- function getBestMatchingType(source, target, isRelatedTo) {
- if (isRelatedTo === void 0) { isRelatedTo = compareTypesAssignable; }
- return findMatchingDiscriminantType(source, target, isRelatedTo, /*skipPartial*/ true) ||
- findMatchingTypeReferenceOrTypeAliasReference(source, target) ||
- findBestTypeForObjectLiteral(source, target) ||
- findBestTypeForInvokable(source, target) ||
- findMostOverlappyType(source, target);
- }
- function discriminateTypeByDiscriminableItems(target, discriminators, related, defaultValue, skipPartial) {
- // undefined=unknown, true=discriminated, false=not discriminated
- // The state of each type progresses from left to right. Discriminated types stop at 'true'.
- var discriminable = target.types.map(function (_) { return undefined; });
- for (var _i = 0, discriminators_1 = discriminators; _i < discriminators_1.length; _i++) {
- var _a = discriminators_1[_i], getDiscriminatingType = _a[0], propertyName = _a[1];
- var targetProp = getUnionOrIntersectionProperty(target, propertyName);
- if (skipPartial && targetProp && ts.getCheckFlags(targetProp) & 16 /* ReadPartial */) {
- continue;
- }
- var i = 0;
- for (var _b = 0, _c = target.types; _b < _c.length; _b++) {
- var type = _c[_b];
- var targetType = getTypeOfPropertyOfType(type, propertyName);
- if (targetType && related(getDiscriminatingType(), targetType)) {
- discriminable[i] = discriminable[i] === undefined ? true : discriminable[i];
- }
- else {
- discriminable[i] = false;
- }
- i++;
- }
- }
- var match = discriminable.indexOf(/*searchElement*/ true);
- // make sure exactly 1 matches before returning it
- return match === -1 || discriminable.indexOf(/*searchElement*/ true, match + 1) !== -1 ? defaultValue : target.types[match];
- }
- /**
- * A type is 'weak' if it is an object type with at least one optional property
- * and no required properties, call/construct signatures or index signatures
- */
- function isWeakType(type) {
- if (type.flags & 524288 /* Object */) {
- var resolved = resolveStructuredTypeMembers(type);
- return resolved.callSignatures.length === 0 && resolved.constructSignatures.length === 0 &&
- !resolved.stringIndexInfo && !resolved.numberIndexInfo &&
- resolved.properties.length > 0 &&
- ts.every(resolved.properties, function (p) { return !!(p.flags & 16777216 /* Optional */); });
- }
- if (type.flags & 2097152 /* Intersection */) {
- return ts.every(type.types, isWeakType);
- }
- return false;
- }
- function hasCommonProperties(source, target, isComparingJsxAttributes) {
- for (var _i = 0, _a = getPropertiesOfType(source); _i < _a.length; _i++) {
- var prop = _a[_i];
- if (isKnownProperty(target, prop.escapedName, isComparingJsxAttributes)) {
- return true;
- }
- }
- return false;
- }
- // Return a type reference where the source type parameter is replaced with the target marker
- // type, and flag the result as a marker type reference.
- function getMarkerTypeReference(type, source, target) {
- var result = createTypeReference(type, ts.map(type.typeParameters, function (t) { return t === source ? target : t; }));
- result.objectFlags |= 8192 /* MarkerType */;
- return result;
- }
- function getAliasVariances(symbol) {
- var links = getSymbolLinks(symbol);
- return getVariancesWorker(links.typeParameters, links, function (_links, param, marker) {
- var type = getTypeAliasInstantiation(symbol, instantiateTypes(links.typeParameters, makeUnaryTypeMapper(param, marker)));
- type.aliasTypeArgumentsContainsMarker = true;
- return type;
- });
- }
- // Return an array containing the variance of each type parameter. The variance is effectively
- // a digest of the type comparisons that occur for each type argument when instantiations of the
- // generic type are structurally compared. We infer the variance information by comparing
- // instantiations of the generic type for type arguments with known relations. The function
- // returns the emptyArray singleton when invoked recursively for the given generic type.
- function getVariancesWorker(typeParameters, cache, createMarkerType) {
- if (typeParameters === void 0) { typeParameters = ts.emptyArray; }
- var variances = cache.variances;
- if (!variances) {
- // The emptyArray singleton is used to signal a recursive invocation.
- cache.variances = ts.emptyArray;
- variances = [];
- var _loop_16 = function (tp) {
- var unmeasurable = false;
- var unreliable = false;
- var oldHandler = outofbandVarianceMarkerHandler;
- outofbandVarianceMarkerHandler = function (onlyUnreliable) { return onlyUnreliable ? unreliable = true : unmeasurable = true; };
- // We first compare instantiations where the type parameter is replaced with
- // marker types that have a known subtype relationship. From this we can infer
- // invariance, covariance, contravariance or bivariance.
- var typeWithSuper = createMarkerType(cache, tp, markerSuperType);
- var typeWithSub = createMarkerType(cache, tp, markerSubType);
- var variance = (isTypeAssignableTo(typeWithSub, typeWithSuper) ? 1 /* Covariant */ : 0) |
- (isTypeAssignableTo(typeWithSuper, typeWithSub) ? 2 /* Contravariant */ : 0);
- // If the instantiations appear to be related bivariantly it may be because the
- // type parameter is independent (i.e. it isn't witnessed anywhere in the generic
- // type). To determine this we compare instantiations where the type parameter is
- // replaced with marker types that are known to be unrelated.
- if (variance === 3 /* Bivariant */ && isTypeAssignableTo(createMarkerType(cache, tp, markerOtherType), typeWithSuper)) {
- variance = 4 /* Independent */;
- }
- outofbandVarianceMarkerHandler = oldHandler;
- if (unmeasurable || unreliable) {
- if (unmeasurable) {
- variance |= 8 /* Unmeasurable */;
- }
- if (unreliable) {
- variance |= 16 /* Unreliable */;
- }
- }
- variances.push(variance);
- };
- for (var _i = 0, typeParameters_1 = typeParameters; _i < typeParameters_1.length; _i++) {
- var tp = typeParameters_1[_i];
- _loop_16(tp);
- }
- cache.variances = variances;
- }
- return variances;
- }
- function getVariances(type) {
- // Arrays and tuples are known to be covariant, no need to spend time computing this.
- if (type === globalArrayType || type === globalReadonlyArrayType || type.objectFlags & 8 /* Tuple */) {
- return arrayVariances;
- }
- return getVariancesWorker(type.typeParameters, type, getMarkerTypeReference);
- }
- // Return true if the given type reference has a 'void' type argument for a covariant type parameter.
- // See comment at call in recursiveTypeRelatedTo for when this case matters.
- function hasCovariantVoidArgument(typeArguments, variances) {
- for (var i = 0; i < variances.length; i++) {
- if ((variances[i] & 7 /* VarianceMask */) === 1 /* Covariant */ && typeArguments[i].flags & 16384 /* Void */) {
- return true;
- }
- }
- return false;
- }
- function isUnconstrainedTypeParameter(type) {
- return type.flags & 262144 /* TypeParameter */ && !getConstraintOfTypeParameter(type);
- }
- function isNonDeferredTypeReference(type) {
- return !!(ts.getObjectFlags(type) & 4 /* Reference */) && !type.node;
- }
- function isTypeReferenceWithGenericArguments(type) {
- return isNonDeferredTypeReference(type) && ts.some(getTypeArguments(type), function (t) { return isUnconstrainedTypeParameter(t) || isTypeReferenceWithGenericArguments(t); });
- }
- /**
- * getTypeReferenceId(A<T, number, U>) returns "111=0-12=1"
- * where A.id=111 and number.id=12
- */
- function getTypeReferenceId(type, typeParameters, depth) {
- if (depth === void 0) { depth = 0; }
- var result = "" + type.target.id;
- for (var _i = 0, _a = getTypeArguments(type); _i < _a.length; _i++) {
- var t = _a[_i];
- if (isUnconstrainedTypeParameter(t)) {
- var index = typeParameters.indexOf(t);
- if (index < 0) {
- index = typeParameters.length;
- typeParameters.push(t);
- }
- result += "=" + index;
- }
- else if (depth < 4 && isTypeReferenceWithGenericArguments(t)) {
- result += "<" + getTypeReferenceId(t, typeParameters, depth + 1) + ">";
- }
- else {
- result += "-" + t.id;
- }
- }
- return result;
- }
- /**
- * To improve caching, the relation key for two generic types uses the target's id plus ids of the type parameters.
- * For other cases, the types ids are used.
- */
- function getRelationKey(source, target, intersectionState, relation) {
- if (relation === identityRelation && source.id > target.id) {
- var temp = source;
- source = target;
- target = temp;
- }
- var postFix = intersectionState ? ":" + intersectionState : "";
- if (isTypeReferenceWithGenericArguments(source) && isTypeReferenceWithGenericArguments(target)) {
- var typeParameters = [];
- return getTypeReferenceId(source, typeParameters) + "," + getTypeReferenceId(target, typeParameters) + postFix;
- }
- return source.id + "," + target.id + postFix;
- }
- // Invoke the callback for each underlying property symbol of the given symbol and return the first
- // value that isn't undefined.
- function forEachProperty(prop, callback) {
- if (ts.getCheckFlags(prop) & 6 /* Synthetic */) {
- for (var _i = 0, _a = prop.containingType.types; _i < _a.length; _i++) {
- var t = _a[_i];
- var p = getPropertyOfType(t, prop.escapedName);
- var result = p && forEachProperty(p, callback);
- if (result) {
- return result;
- }
- }
- return undefined;
- }
- return callback(prop);
- }
- // Return the declaring class type of a property or undefined if property not declared in class
- function getDeclaringClass(prop) {
- return prop.parent && prop.parent.flags & 32 /* Class */ ? getDeclaredTypeOfSymbol(getParentOfSymbol(prop)) : undefined;
- }
- // Return true if some underlying source property is declared in a class that derives
- // from the given base class.
- function isPropertyInClassDerivedFrom(prop, baseClass) {
- return forEachProperty(prop, function (sp) {
- var sourceClass = getDeclaringClass(sp);
- return sourceClass ? hasBaseType(sourceClass, baseClass) : false;
- });
- }
- // Return true if source property is a valid override of protected parts of target property.
- function isValidOverrideOf(sourceProp, targetProp) {
- return !forEachProperty(targetProp, function (tp) { return ts.getDeclarationModifierFlagsFromSymbol(tp) & 16 /* Protected */ ?
- !isPropertyInClassDerivedFrom(sourceProp, getDeclaringClass(tp)) : false; });
- }
- // Return true if the given class derives from each of the declaring classes of the protected
- // constituents of the given property.
- function isClassDerivedFromDeclaringClasses(checkClass, prop) {
- return forEachProperty(prop, function (p) { return ts.getDeclarationModifierFlagsFromSymbol(p) & 16 /* Protected */ ?
- !hasBaseType(checkClass, getDeclaringClass(p)) : false; }) ? undefined : checkClass;
- }
- // Return true if the given type is deeply nested. We consider this to be the case when structural type comparisons
- // for 5 or more occurrences or instantiations of the type have been recorded on the given stack. It is possible,
- // though highly unlikely, for this test to be true in a situation where a chain of instantiations is not infinitely
- // expanding. Effectively, we will generate a false positive when two types are structurally equal to at least 5
- // levels, but unequal at some level beyond that.
- // In addition, this will also detect when an indexed access has been chained off of 5 or more times (which is essentially
- // the dual of the structural comparison), and likewise mark the type as deeply nested, potentially adding false positives
- // for finite but deeply expanding indexed accesses (eg, for `Q[P1][P2][P3][P4][P5]`).
- function isDeeplyNestedType(type, stack, depth) {
- // We track all object types that have an associated symbol (representing the origin of the type)
- if (depth >= 5 && type.flags & 524288 /* Object */ && !isObjectOrArrayLiteralType(type)) {
- var symbol = type.symbol;
- if (symbol) {
- var count = 0;
- for (var i = 0; i < depth; i++) {
- var t = stack[i];
- if (t.flags & 524288 /* Object */ && t.symbol === symbol) {
- count++;
- if (count >= 5)
- return true;
- }
- }
- }
- }
- if (depth >= 5 && type.flags & 8388608 /* IndexedAccess */) {
- var root = getRootObjectTypeFromIndexedAccessChain(type);
- var count = 0;
- for (var i = 0; i < depth; i++) {
- var t = stack[i];
- if (getRootObjectTypeFromIndexedAccessChain(t) === root) {
- count++;
- if (count >= 5)
- return true;
- }
- }
- }
- return false;
- }
- /**
- * Gets the leftmost object type in a chain of indexed accesses, eg, in A[P][Q], returns A
- */
- function getRootObjectTypeFromIndexedAccessChain(type) {
- var t = type;
- while (t.flags & 8388608 /* IndexedAccess */) {
- t = t.objectType;
- }
- return t;
- }
- function isPropertyIdenticalTo(sourceProp, targetProp) {
- return compareProperties(sourceProp, targetProp, compareTypesIdentical) !== 0 /* False */;
- }
- function compareProperties(sourceProp, targetProp, compareTypes) {
- // Two members are considered identical when
- // - they are public properties with identical names, optionality, and types,
- // - they are private or protected properties originating in the same declaration and having identical types
- if (sourceProp === targetProp) {
- return -1 /* True */;
- }
- var sourcePropAccessibility = ts.getDeclarationModifierFlagsFromSymbol(sourceProp) & 24 /* NonPublicAccessibilityModifier */;
- var targetPropAccessibility = ts.getDeclarationModifierFlagsFromSymbol(targetProp) & 24 /* NonPublicAccessibilityModifier */;
- if (sourcePropAccessibility !== targetPropAccessibility) {
- return 0 /* False */;
- }
- if (sourcePropAccessibility) {
- if (getTargetSymbol(sourceProp) !== getTargetSymbol(targetProp)) {
- return 0 /* False */;
- }
- }
- else {
- if ((sourceProp.flags & 16777216 /* Optional */) !== (targetProp.flags & 16777216 /* Optional */)) {
- return 0 /* False */;
- }
- }
- if (isReadonlySymbol(sourceProp) !== isReadonlySymbol(targetProp)) {
- return 0 /* False */;
- }
- return compareTypes(getTypeOfSymbol(sourceProp), getTypeOfSymbol(targetProp));
- }
- function isMatchingSignature(source, target, partialMatch) {
- var sourceParameterCount = getParameterCount(source);
- var targetParameterCount = getParameterCount(target);
- var sourceMinArgumentCount = getMinArgumentCount(source);
- var targetMinArgumentCount = getMinArgumentCount(target);
- var sourceHasRestParameter = hasEffectiveRestParameter(source);
- var targetHasRestParameter = hasEffectiveRestParameter(target);
- // A source signature matches a target signature if the two signatures have the same number of required,
- // optional, and rest parameters.
- if (sourceParameterCount === targetParameterCount &&
- sourceMinArgumentCount === targetMinArgumentCount &&
- sourceHasRestParameter === targetHasRestParameter) {
- return true;
- }
- // A source signature partially matches a target signature if the target signature has no fewer required
- // parameters
- if (partialMatch && sourceMinArgumentCount <= targetMinArgumentCount) {
- return true;
- }
- return false;
- }
- /**
- * See signatureRelatedTo, compareSignaturesIdentical
- */
- function compareSignaturesIdentical(source, target, partialMatch, ignoreThisTypes, ignoreReturnTypes, compareTypes) {
- // TODO (drosen): De-duplicate code between related functions.
- if (source === target) {
- return -1 /* True */;
- }
- if (!(isMatchingSignature(source, target, partialMatch))) {
- return 0 /* False */;
- }
- // Check that the two signatures have the same number of type parameters.
- if (ts.length(source.typeParameters) !== ts.length(target.typeParameters)) {
- return 0 /* False */;
- }
- // Check that type parameter constraints and defaults match. If they do, instantiate the source
- // signature with the type parameters of the target signature and continue the comparison.
- if (target.typeParameters) {
- var mapper = createTypeMapper(source.typeParameters, target.typeParameters);
- for (var i = 0; i < target.typeParameters.length; i++) {
- var s = source.typeParameters[i];
- var t = target.typeParameters[i];
- if (!(s === t || compareTypes(instantiateType(getConstraintFromTypeParameter(s), mapper) || unknownType, getConstraintFromTypeParameter(t) || unknownType) &&
- compareTypes(instantiateType(getDefaultFromTypeParameter(s), mapper) || unknownType, getDefaultFromTypeParameter(t) || unknownType))) {
- return 0 /* False */;
- }
- }
- source = instantiateSignature(source, mapper, /*eraseTypeParameters*/ true);
- }
- var result = -1 /* True */;
- if (!ignoreThisTypes) {
- var sourceThisType = getThisTypeOfSignature(source);
- if (sourceThisType) {
- var targetThisType = getThisTypeOfSignature(target);
- if (targetThisType) {
- var related = compareTypes(sourceThisType, targetThisType);
- if (!related) {
- return 0 /* False */;
- }
- result &= related;
- }
- }
- }
- var targetLen = getParameterCount(target);
- for (var i = 0; i < targetLen; i++) {
- var s = getTypeAtPosition(source, i);
- var t = getTypeAtPosition(target, i);
- var related = compareTypes(t, s);
- if (!related) {
- return 0 /* False */;
- }
- result &= related;
- }
- if (!ignoreReturnTypes) {
- var sourceTypePredicate = getTypePredicateOfSignature(source);
- var targetTypePredicate = getTypePredicateOfSignature(target);
- result &= sourceTypePredicate || targetTypePredicate ?
- compareTypePredicatesIdentical(sourceTypePredicate, targetTypePredicate, compareTypes) :
- compareTypes(getReturnTypeOfSignature(source), getReturnTypeOfSignature(target));
- }
- return result;
- }
- function compareTypePredicatesIdentical(source, target, compareTypes) {
- return !(source && target && typePredicateKindsMatch(source, target)) ? 0 /* False */ :
- source.type === target.type ? -1 /* True */ :
- source.type && target.type ? compareTypes(source.type, target.type) :
- 0 /* False */;
- }
- function literalTypesWithSameBaseType(types) {
- var commonBaseType;
- for (var _i = 0, types_12 = types; _i < types_12.length; _i++) {
- var t = types_12[_i];
- var baseType = getBaseTypeOfLiteralType(t);
- if (!commonBaseType) {
- commonBaseType = baseType;
- }
- if (baseType === t || baseType !== commonBaseType) {
- return false;
- }
- }
- return true;
- }
- // When the candidate types are all literal types with the same base type, return a union
- // of those literal types. Otherwise, return the leftmost type for which no type to the
- // right is a supertype.
- function getSupertypeOrUnion(types) {
- return literalTypesWithSameBaseType(types) ?
- getUnionType(types) :
- ts.reduceLeft(types, function (s, t) { return isTypeSubtypeOf(s, t) ? t : s; });
- }
- function getCommonSupertype(types) {
- if (!strictNullChecks) {
- return getSupertypeOrUnion(types);
- }
- var primaryTypes = ts.filter(types, function (t) { return !(t.flags & 98304 /* Nullable */); });
- return primaryTypes.length ?
- getNullableType(getSupertypeOrUnion(primaryTypes), getFalsyFlagsOfTypes(types) & 98304 /* Nullable */) :
- getUnionType(types, 2 /* Subtype */);
- }
- // Return the leftmost type for which no type to the right is a subtype.
- function getCommonSubtype(types) {
- return ts.reduceLeft(types, function (s, t) { return isTypeSubtypeOf(t, s) ? t : s; });
- }
- function isArrayType(type) {
- return !!(ts.getObjectFlags(type) & 4 /* Reference */) && (type.target === globalArrayType || type.target === globalReadonlyArrayType);
- }
- function isReadonlyArrayType(type) {
- return !!(ts.getObjectFlags(type) & 4 /* Reference */) && type.target === globalReadonlyArrayType;
- }
- function isMutableArrayOrTuple(type) {
- return isArrayType(type) && !isReadonlyArrayType(type) || isTupleType(type) && !type.target.readonly;
- }
- function getElementTypeOfArrayType(type) {
- return isArrayType(type) ? getTypeArguments(type)[0] : undefined;
- }
- function isArrayLikeType(type) {
- // A type is array-like if it is a reference to the global Array or global ReadonlyArray type,
- // or if it is not the undefined or null type and if it is assignable to ReadonlyArray<any>
- return isArrayType(type) || !(type.flags & 98304 /* Nullable */) && isTypeAssignableTo(type, anyReadonlyArrayType);
- }
- function isEmptyArrayLiteralType(type) {
- var elementType = isArrayType(type) ? getTypeArguments(type)[0] : undefined;
- return elementType === undefinedWideningType || elementType === implicitNeverType;
- }
- function isTupleLikeType(type) {
- return isTupleType(type) || !!getPropertyOfType(type, "0");
- }
- function isArrayOrTupleLikeType(type) {
- return isArrayLikeType(type) || isTupleLikeType(type);
- }
- function getTupleElementType(type, index) {
- var propType = getTypeOfPropertyOfType(type, "" + index);
- if (propType) {
- return propType;
- }
- if (everyType(type, isTupleType)) {
- return mapType(type, function (t) { return getRestTypeOfTupleType(t) || undefinedType; });
- }
- return undefined;
- }
- function isNeitherUnitTypeNorNever(type) {
- return !(type.flags & (109440 /* Unit */ | 131072 /* Never */));
- }
- function isUnitType(type) {
- return !!(type.flags & 109440 /* Unit */);
- }
- function isLiteralType(type) {
- return type.flags & 16 /* Boolean */ ? true :
- type.flags & 1048576 /* Union */ ? type.flags & 1024 /* EnumLiteral */ ? true : ts.every(type.types, isUnitType) :
- isUnitType(type);
- }
- function getBaseTypeOfLiteralType(type) {
- return type.flags & 1024 /* EnumLiteral */ ? getBaseTypeOfEnumLiteralType(type) :
- type.flags & 128 /* StringLiteral */ ? stringType :
- type.flags & 256 /* NumberLiteral */ ? numberType :
- type.flags & 2048 /* BigIntLiteral */ ? bigintType :
- type.flags & 512 /* BooleanLiteral */ ? booleanType :
- type.flags & 1048576 /* Union */ ? getUnionType(ts.sameMap(type.types, getBaseTypeOfLiteralType)) :
- type;
- }
- function getWidenedLiteralType(type) {
- return type.flags & 1024 /* EnumLiteral */ && isFreshLiteralType(type) ? getBaseTypeOfEnumLiteralType(type) :
- type.flags & 128 /* StringLiteral */ && isFreshLiteralType(type) ? stringType :
- type.flags & 256 /* NumberLiteral */ && isFreshLiteralType(type) ? numberType :
- type.flags & 2048 /* BigIntLiteral */ && isFreshLiteralType(type) ? bigintType :
- type.flags & 512 /* BooleanLiteral */ && isFreshLiteralType(type) ? booleanType :
- type.flags & 1048576 /* Union */ ? getUnionType(ts.sameMap(type.types, getWidenedLiteralType)) :
- type;
- }
- function getWidenedUniqueESSymbolType(type) {
- return type.flags & 8192 /* UniqueESSymbol */ ? esSymbolType :
- type.flags & 1048576 /* Union */ ? getUnionType(ts.sameMap(type.types, getWidenedUniqueESSymbolType)) :
- type;
- }
- function getWidenedLiteralLikeTypeForContextualType(type, contextualType) {
- if (!isLiteralOfContextualType(type, contextualType)) {
- type = getWidenedUniqueESSymbolType(getWidenedLiteralType(type));
- }
- return type;
- }
- function getWidenedLiteralLikeTypeForContextualReturnTypeIfNeeded(type, contextualSignatureReturnType, isAsync) {
- if (type && isUnitType(type)) {
- var contextualType = !contextualSignatureReturnType ? undefined :
- isAsync ? getPromisedTypeOfPromise(contextualSignatureReturnType) :
- contextualSignatureReturnType;
- type = getWidenedLiteralLikeTypeForContextualType(type, contextualType);
- }
- return type;
- }
- function getWidenedLiteralLikeTypeForContextualIterationTypeIfNeeded(type, contextualSignatureReturnType, kind, isAsyncGenerator) {
- if (type && isUnitType(type)) {
- var contextualType = !contextualSignatureReturnType ? undefined :
- getIterationTypeOfGeneratorFunctionReturnType(kind, contextualSignatureReturnType, isAsyncGenerator);
- type = getWidenedLiteralLikeTypeForContextualType(type, contextualType);
- }
- return type;
- }
- /**
- * Check if a Type was written as a tuple type literal.
- * Prefer using isTupleLikeType() unless the use of `elementTypes`/`getTypeArguments` is required.
- */
- function isTupleType(type) {
- return !!(ts.getObjectFlags(type) & 4 /* Reference */ && type.target.objectFlags & 8 /* Tuple */);
- }
- function getRestTypeOfTupleType(type) {
- return type.target.hasRestElement ? getTypeArguments(type)[type.target.typeParameters.length - 1] : undefined;
- }
- function getRestArrayTypeOfTupleType(type) {
- var restType = getRestTypeOfTupleType(type);
- return restType && createArrayType(restType);
- }
- function getLengthOfTupleType(type) {
- return getTypeReferenceArity(type) - (type.target.hasRestElement ? 1 : 0);
- }
- function isZeroBigInt(_a) {
- var value = _a.value;
- return value.base10Value === "0";
- }
- function getFalsyFlagsOfTypes(types) {
- var result = 0;
- for (var _i = 0, types_13 = types; _i < types_13.length; _i++) {
- var t = types_13[_i];
- result |= getFalsyFlags(t);
- }
- return result;
- }
- // Returns the String, Number, Boolean, StringLiteral, NumberLiteral, BooleanLiteral, Void, Undefined, or Null
- // flags for the string, number, boolean, "", 0, false, void, undefined, or null types respectively. Returns
- // no flags for all other types (including non-falsy literal types).
- function getFalsyFlags(type) {
- return type.flags & 1048576 /* Union */ ? getFalsyFlagsOfTypes(type.types) :
- type.flags & 128 /* StringLiteral */ ? type.value === "" ? 128 /* StringLiteral */ : 0 :
- type.flags & 256 /* NumberLiteral */ ? type.value === 0 ? 256 /* NumberLiteral */ : 0 :
- type.flags & 2048 /* BigIntLiteral */ ? isZeroBigInt(type) ? 2048 /* BigIntLiteral */ : 0 :
- type.flags & 512 /* BooleanLiteral */ ? (type === falseType || type === regularFalseType) ? 512 /* BooleanLiteral */ : 0 :
- type.flags & 117724 /* PossiblyFalsy */;
- }
- function removeDefinitelyFalsyTypes(type) {
- return getFalsyFlags(type) & 117632 /* DefinitelyFalsy */ ?
- filterType(type, function (t) { return !(getFalsyFlags(t) & 117632 /* DefinitelyFalsy */); }) :
- type;
- }
- function extractDefinitelyFalsyTypes(type) {
- return mapType(type, getDefinitelyFalsyPartOfType);
- }
- function getDefinitelyFalsyPartOfType(type) {
- return type.flags & 4 /* String */ ? emptyStringType :
- type.flags & 8 /* Number */ ? zeroType :
- type.flags & 64 /* BigInt */ ? zeroBigIntType :
- type === regularFalseType ||
- type === falseType ||
- type.flags & (16384 /* Void */ | 32768 /* Undefined */ | 65536 /* Null */) ||
- type.flags & 128 /* StringLiteral */ && type.value === "" ||
- type.flags & 256 /* NumberLiteral */ && type.value === 0 ||
- type.flags & 2048 /* BigIntLiteral */ && isZeroBigInt(type) ? type :
- neverType;
- }
- /**
- * Add undefined or null or both to a type if they are missing.
- * @param type - type to add undefined and/or null to if not present
- * @param flags - Either TypeFlags.Undefined or TypeFlags.Null, or both
- */
- function getNullableType(type, flags) {
- var missing = (flags & ~type.flags) & (32768 /* Undefined */ | 65536 /* Null */);
- return missing === 0 ? type :
- missing === 32768 /* Undefined */ ? getUnionType([type, undefinedType]) :
- missing === 65536 /* Null */ ? getUnionType([type, nullType]) :
- getUnionType([type, undefinedType, nullType]);
- }
- function getOptionalType(type) {
- ts.Debug.assert(strictNullChecks);
- return type.flags & 32768 /* Undefined */ ? type : getUnionType([type, undefinedType]);
- }
- function getGlobalNonNullableTypeInstantiation(type) {
- if (!deferredGlobalNonNullableTypeAlias) {
- deferredGlobalNonNullableTypeAlias = getGlobalSymbol("NonNullable", 524288 /* TypeAlias */, /*diagnostic*/ undefined) || unknownSymbol;
- }
- // Use NonNullable global type alias if available to improve quick info/declaration emit
- if (deferredGlobalNonNullableTypeAlias !== unknownSymbol) {
- return getTypeAliasInstantiation(deferredGlobalNonNullableTypeAlias, [type]);
- }
- return getTypeWithFacts(type, 2097152 /* NEUndefinedOrNull */); // Type alias unavailable, fall back to non-higher-order behavior
- }
- function getNonNullableType(type) {
- return strictNullChecks ? getGlobalNonNullableTypeInstantiation(type) : type;
- }
- function addOptionalTypeMarker(type) {
- return strictNullChecks ? getUnionType([type, optionalType]) : type;
- }
- function isNotOptionalTypeMarker(type) {
- return type !== optionalType;
- }
- function removeOptionalTypeMarker(type) {
- return strictNullChecks ? filterType(type, isNotOptionalTypeMarker) : type;
- }
- function propagateOptionalTypeMarker(type, node, wasOptional) {
- return wasOptional ? ts.isOutermostOptionalChain(node) ? getOptionalType(type) : addOptionalTypeMarker(type) : type;
- }
- function getOptionalExpressionType(exprType, expression) {
- return ts.isExpressionOfOptionalChainRoot(expression) ? getNonNullableType(exprType) :
- ts.isOptionalChain(expression) ? removeOptionalTypeMarker(exprType) :
- exprType;
- }
- /**
- * Is source potentially coercible to target type under `==`.
- * Assumes that `source` is a constituent of a union, hence
- * the boolean literal flag on the LHS, but not on the RHS.
- *
- * This does not fully replicate the semantics of `==`. The
- * intention is to catch cases that are clearly not right.
- *
- * Comparing (string | number) to number should not remove the
- * string element.
- *
- * Comparing (string | number) to 1 will remove the string
- * element, though this is not sound. This is a pragmatic
- * choice.
- *
- * @see narrowTypeByEquality
- *
- * @param source
- * @param target
- */
- function isCoercibleUnderDoubleEquals(source, target) {
- return ((source.flags & (8 /* Number */ | 4 /* String */ | 512 /* BooleanLiteral */)) !== 0)
- && ((target.flags & (8 /* Number */ | 4 /* String */ | 16 /* Boolean */)) !== 0);
- }
- /**
- * Return true if type was inferred from an object literal, written as an object type literal, or is the shape of a module
- * with no call or construct signatures.
- */
- function isObjectTypeWithInferableIndex(type) {
- return type.flags & 2097152 /* Intersection */ ? ts.every(type.types, isObjectTypeWithInferableIndex) :
- !!(type.symbol && (type.symbol.flags & (4096 /* ObjectLiteral */ | 2048 /* TypeLiteral */ | 384 /* Enum */ | 512 /* ValueModule */)) !== 0 &&
- !typeHasCallOrConstructSignatures(type)) || !!(ts.getObjectFlags(type) & 2048 /* ReverseMapped */ && isObjectTypeWithInferableIndex(type.source));
- }
- function createSymbolWithType(source, type) {
- var symbol = createSymbol(source.flags, source.escapedName, ts.getCheckFlags(source) & 8 /* Readonly */);
- symbol.declarations = source.declarations;
- symbol.parent = source.parent;
- symbol.type = type;
- symbol.target = source;
- if (source.valueDeclaration) {
- symbol.valueDeclaration = source.valueDeclaration;
- }
- var nameType = getSymbolLinks(source).nameType;
- if (nameType) {
- symbol.nameType = nameType;
- }
- return symbol;
- }
- function transformTypeOfMembers(type, f) {
- var members = ts.createSymbolTable();
- for (var _i = 0, _a = getPropertiesOfObjectType(type); _i < _a.length; _i++) {
- var property = _a[_i];
- var original = getTypeOfSymbol(property);
- var updated = f(original);
- members.set(property.escapedName, updated === original ? property : createSymbolWithType(property, updated));
- }
- return members;
- }
- /**
- * If the the provided object literal is subject to the excess properties check,
- * create a new that is exempt. Recursively mark object literal members as exempt.
- * Leave signatures alone since they are not subject to the check.
- */
- function getRegularTypeOfObjectLiteral(type) {
- if (!(isObjectLiteralType(type) && ts.getObjectFlags(type) & 32768 /* FreshLiteral */)) {
- return type;
- }
- var regularType = type.regularType;
- if (regularType) {
- return regularType;
- }
- var resolved = type;
- var members = transformTypeOfMembers(type, getRegularTypeOfObjectLiteral);
- var regularNew = createAnonymousType(resolved.symbol, members, resolved.callSignatures, resolved.constructSignatures, resolved.stringIndexInfo, resolved.numberIndexInfo);
- regularNew.flags = resolved.flags;
- regularNew.objectFlags |= resolved.objectFlags & ~32768 /* FreshLiteral */;
- type.regularType = regularNew;
- return regularNew;
- }
- function createWideningContext(parent, propertyName, siblings) {
- return { parent: parent, propertyName: propertyName, siblings: siblings, resolvedProperties: undefined };
- }
- function getSiblingsOfContext(context) {
- if (!context.siblings) {
- var siblings_1 = [];
- for (var _i = 0, _a = getSiblingsOfContext(context.parent); _i < _a.length; _i++) {
- var type = _a[_i];
- if (isObjectLiteralType(type)) {
- var prop = getPropertyOfObjectType(type, context.propertyName);
- if (prop) {
- forEachType(getTypeOfSymbol(prop), function (t) {
- siblings_1.push(t);
- });
- }
- }
- }
- context.siblings = siblings_1;
- }
- return context.siblings;
- }
- function getPropertiesOfContext(context) {
- if (!context.resolvedProperties) {
- var names = ts.createMap();
- for (var _i = 0, _a = getSiblingsOfContext(context); _i < _a.length; _i++) {
- var t = _a[_i];
- if (isObjectLiteralType(t) && !(ts.getObjectFlags(t) & 1024 /* ContainsSpread */)) {
- for (var _b = 0, _c = getPropertiesOfType(t); _b < _c.length; _b++) {
- var prop = _c[_b];
- names.set(prop.escapedName, prop);
- }
- }
- }
- context.resolvedProperties = ts.arrayFrom(names.values());
- }
- return context.resolvedProperties;
- }
- function getWidenedProperty(prop, context) {
- if (!(prop.flags & 4 /* Property */)) {
- // Since get accessors already widen their return value there is no need to
- // widen accessor based properties here.
- return prop;
- }
- var original = getTypeOfSymbol(prop);
- var propContext = context && createWideningContext(context, prop.escapedName, /*siblings*/ undefined);
- var widened = getWidenedTypeWithContext(original, propContext);
- return widened === original ? prop : createSymbolWithType(prop, widened);
- }
- function getUndefinedProperty(prop) {
- var cached = undefinedProperties.get(prop.escapedName);
- if (cached) {
- return cached;
- }
- var result = createSymbolWithType(prop, undefinedType);
- result.flags |= 16777216 /* Optional */;
- undefinedProperties.set(prop.escapedName, result);
- return result;
- }
- function getWidenedTypeOfObjectLiteral(type, context) {
- var members = ts.createSymbolTable();
- for (var _i = 0, _a = getPropertiesOfObjectType(type); _i < _a.length; _i++) {
- var prop = _a[_i];
- members.set(prop.escapedName, getWidenedProperty(prop, context));
- }
- if (context) {
- for (var _b = 0, _c = getPropertiesOfContext(context); _b < _c.length; _b++) {
- var prop = _c[_b];
- if (!members.has(prop.escapedName)) {
- members.set(prop.escapedName, getUndefinedProperty(prop));
- }
- }
- }
- var stringIndexInfo = getIndexInfoOfType(type, 0 /* String */);
- var numberIndexInfo = getIndexInfoOfType(type, 1 /* Number */);
- var result = createAnonymousType(type.symbol, members, ts.emptyArray, ts.emptyArray, stringIndexInfo && createIndexInfo(getWidenedType(stringIndexInfo.type), stringIndexInfo.isReadonly), numberIndexInfo && createIndexInfo(getWidenedType(numberIndexInfo.type), numberIndexInfo.isReadonly));
- result.objectFlags |= (ts.getObjectFlags(type) & (16384 /* JSLiteral */ | 2097152 /* NonInferrableType */)); // Retain js literal flag through widening
- return result;
- }
- function getWidenedType(type) {
- return getWidenedTypeWithContext(type, /*context*/ undefined);
- }
- function getWidenedTypeWithContext(type, context) {
- if (ts.getObjectFlags(type) & 1572864 /* RequiresWidening */) {
- if (context === undefined && type.widened) {
- return type.widened;
- }
- var result = void 0;
- if (type.flags & (1 /* Any */ | 98304 /* Nullable */)) {
- result = anyType;
- }
- else if (isObjectLiteralType(type)) {
- result = getWidenedTypeOfObjectLiteral(type, context);
- }
- else if (type.flags & 1048576 /* Union */) {
- var unionContext_1 = context || createWideningContext(/*parent*/ undefined, /*propertyName*/ undefined, type.types);
- var widenedTypes = ts.sameMap(type.types, function (t) { return t.flags & 98304 /* Nullable */ ? t : getWidenedTypeWithContext(t, unionContext_1); });
- // Widening an empty object literal transitions from a highly restrictive type to
- // a highly inclusive one. For that reason we perform subtype reduction here if the
- // union includes empty object types (e.g. reducing {} | string to just {}).
- result = getUnionType(widenedTypes, ts.some(widenedTypes, isEmptyObjectType) ? 2 /* Subtype */ : 1 /* Literal */);
- }
- else if (type.flags & 2097152 /* Intersection */) {
- result = getIntersectionType(ts.sameMap(type.types, getWidenedType));
- }
- else if (isArrayType(type) || isTupleType(type)) {
- result = createTypeReference(type.target, ts.sameMap(getTypeArguments(type), getWidenedType));
- }
- if (result && context === undefined) {
- type.widened = result;
- }
- return result || type;
- }
- return type;
- }
- /**
- * Reports implicit any errors that occur as a result of widening 'null' and 'undefined'
- * to 'any'. A call to reportWideningErrorsInType is normally accompanied by a call to
- * getWidenedType. But in some cases getWidenedType is called without reporting errors
- * (type argument inference is an example).
- *
- * The return value indicates whether an error was in fact reported. The particular circumstances
- * are on a best effort basis. Currently, if the null or undefined that causes widening is inside
- * an object literal property (arbitrarily deeply), this function reports an error. If no error is
- * reported, reportImplicitAnyError is a suitable fallback to report a general error.
- */
- function reportWideningErrorsInType(type) {
- var errorReported = false;
- if (ts.getObjectFlags(type) & 524288 /* ContainsWideningType */) {
- if (type.flags & 1048576 /* Union */) {
- if (ts.some(type.types, isEmptyObjectType)) {
- errorReported = true;
- }
- else {
- for (var _i = 0, _a = type.types; _i < _a.length; _i++) {
- var t = _a[_i];
- if (reportWideningErrorsInType(t)) {
- errorReported = true;
- }
- }
- }
- }
- if (isArrayType(type) || isTupleType(type)) {
- for (var _b = 0, _c = getTypeArguments(type); _b < _c.length; _b++) {
- var t = _c[_b];
- if (reportWideningErrorsInType(t)) {
- errorReported = true;
- }
- }
- }
- if (isObjectLiteralType(type)) {
- for (var _d = 0, _e = getPropertiesOfObjectType(type); _d < _e.length; _d++) {
- var p = _e[_d];
- var t = getTypeOfSymbol(p);
- if (ts.getObjectFlags(t) & 524288 /* ContainsWideningType */) {
- if (!reportWideningErrorsInType(t)) {
- error(p.valueDeclaration, ts.Diagnostics.Object_literal_s_property_0_implicitly_has_an_1_type, symbolToString(p), typeToString(getWidenedType(t)));
- }
- errorReported = true;
- }
- }
- }
- }
- return errorReported;
- }
- function reportImplicitAny(declaration, type, wideningKind) {
- var typeAsString = typeToString(getWidenedType(type));
- if (ts.isInJSFile(declaration) && !ts.isCheckJsEnabledForFile(ts.getSourceFileOfNode(declaration), compilerOptions)) {
- // Only report implicit any errors/suggestions in TS and ts-check JS files
- return;
- }
- var diagnostic;
- switch (declaration.kind) {
- case 209 /* BinaryExpression */:
- case 159 /* PropertyDeclaration */:
- case 158 /* PropertySignature */:
- diagnostic = noImplicitAny ? ts.Diagnostics.Member_0_implicitly_has_an_1_type : ts.Diagnostics.Member_0_implicitly_has_an_1_type_but_a_better_type_may_be_inferred_from_usage;
- break;
- case 156 /* Parameter */:
- var param = declaration;
- if (ts.isIdentifier(param.name) &&
- (ts.isCallSignatureDeclaration(param.parent) || ts.isMethodSignature(param.parent) || ts.isFunctionTypeNode(param.parent)) &&
- param.parent.parameters.indexOf(param) > -1 &&
- (resolveName(param, param.name.escapedText, 788968 /* Type */, undefined, param.name.escapedText, /*isUse*/ true) ||
- param.name.originalKeywordKind && ts.isTypeNodeKind(param.name.originalKeywordKind))) {
- var newName = "arg" + param.parent.parameters.indexOf(param);
- errorOrSuggestion(noImplicitAny, declaration, ts.Diagnostics.Parameter_has_a_name_but_no_type_Did_you_mean_0_Colon_1, newName, ts.declarationNameToString(param.name));
- return;
- }
- diagnostic = declaration.dotDotDotToken ?
- noImplicitAny ? ts.Diagnostics.Rest_parameter_0_implicitly_has_an_any_type : ts.Diagnostics.Rest_parameter_0_implicitly_has_an_any_type_but_a_better_type_may_be_inferred_from_usage :
- noImplicitAny ? ts.Diagnostics.Parameter_0_implicitly_has_an_1_type : ts.Diagnostics.Parameter_0_implicitly_has_an_1_type_but_a_better_type_may_be_inferred_from_usage;
- break;
- case 191 /* BindingElement */:
- diagnostic = ts.Diagnostics.Binding_element_0_implicitly_has_an_1_type;
- if (!noImplicitAny) {
- // Don't issue a suggestion for binding elements since the codefix doesn't yet support them.
- return;
- }
- break;
- case 300 /* JSDocFunctionType */:
- error(declaration, ts.Diagnostics.Function_type_which_lacks_return_type_annotation_implicitly_has_an_0_return_type, typeAsString);
- return;
- case 244 /* FunctionDeclaration */:
- case 161 /* MethodDeclaration */:
- case 160 /* MethodSignature */:
- case 163 /* GetAccessor */:
- case 164 /* SetAccessor */:
- case 201 /* FunctionExpression */:
- case 202 /* ArrowFunction */:
- if (noImplicitAny && !declaration.name) {
- if (wideningKind === 3 /* GeneratorYield */) {
- error(declaration, ts.Diagnostics.Generator_implicitly_has_yield_type_0_because_it_does_not_yield_any_values_Consider_supplying_a_return_type_annotation, typeAsString);
- }
- else {
- error(declaration, ts.Diagnostics.Function_expression_which_lacks_return_type_annotation_implicitly_has_an_0_return_type, typeAsString);
- }
- return;
- }
- diagnostic = !noImplicitAny ? ts.Diagnostics._0_implicitly_has_an_1_return_type_but_a_better_type_may_be_inferred_from_usage :
- wideningKind === 3 /* GeneratorYield */ ? ts.Diagnostics._0_which_lacks_return_type_annotation_implicitly_has_an_1_yield_type :
- ts.Diagnostics._0_which_lacks_return_type_annotation_implicitly_has_an_1_return_type;
- break;
- case 186 /* MappedType */:
- if (noImplicitAny) {
- error(declaration, ts.Diagnostics.Mapped_object_type_implicitly_has_an_any_template_type);
- }
- return;
- default:
- diagnostic = noImplicitAny ? ts.Diagnostics.Variable_0_implicitly_has_an_1_type : ts.Diagnostics.Variable_0_implicitly_has_an_1_type_but_a_better_type_may_be_inferred_from_usage;
- }
- errorOrSuggestion(noImplicitAny, declaration, diagnostic, ts.declarationNameToString(ts.getNameOfDeclaration(declaration)), typeAsString);
- }
- function reportErrorsFromWidening(declaration, type, wideningKind) {
- if (produceDiagnostics && noImplicitAny && ts.getObjectFlags(type) & 524288 /* ContainsWideningType */ && (!wideningKind || !getContextualSignatureForFunctionLikeDeclaration(declaration))) {
- // Report implicit any error within type if possible, otherwise report error on declaration
- if (!reportWideningErrorsInType(type)) {
- reportImplicitAny(declaration, type, wideningKind);
- }
- }
- }
- function applyToParameterTypes(source, target, callback) {
- var sourceCount = getParameterCount(source);
- var targetCount = getParameterCount(target);
- var sourceRestType = getEffectiveRestType(source);
- var targetRestType = getEffectiveRestType(target);
- var targetNonRestCount = targetRestType ? targetCount - 1 : targetCount;
- var paramCount = sourceRestType ? targetNonRestCount : Math.min(sourceCount, targetNonRestCount);
- var sourceThisType = getThisTypeOfSignature(source);
- if (sourceThisType) {
- var targetThisType = getThisTypeOfSignature(target);
- if (targetThisType) {
- callback(sourceThisType, targetThisType);
- }
- }
- for (var i = 0; i < paramCount; i++) {
- callback(getTypeAtPosition(source, i), getTypeAtPosition(target, i));
- }
- if (targetRestType) {
- callback(getRestTypeAtPosition(source, paramCount), targetRestType);
- }
- }
- function applyToReturnTypes(source, target, callback) {
- var sourceTypePredicate = getTypePredicateOfSignature(source);
- var targetTypePredicate = getTypePredicateOfSignature(target);
- if (sourceTypePredicate && targetTypePredicate && typePredicateKindsMatch(sourceTypePredicate, targetTypePredicate) && sourceTypePredicate.type && targetTypePredicate.type) {
- callback(sourceTypePredicate.type, targetTypePredicate.type);
- }
- else {
- callback(getReturnTypeOfSignature(source), getReturnTypeOfSignature(target));
- }
- }
- function createInferenceContext(typeParameters, signature, flags, compareTypes) {
- return createInferenceContextWorker(typeParameters.map(createInferenceInfo), signature, flags, compareTypes || compareTypesAssignable);
- }
- function cloneInferenceContext(context, extraFlags) {
- if (extraFlags === void 0) { extraFlags = 0; }
- return context && createInferenceContextWorker(ts.map(context.inferences, cloneInferenceInfo), context.signature, context.flags | extraFlags, context.compareTypes);
- }
- function createInferenceContextWorker(inferences, signature, flags, compareTypes) {
- var context = {
- inferences: inferences,
- signature: signature,
- flags: flags,
- compareTypes: compareTypes,
- mapper: makeFunctionTypeMapper(function (t) { return mapToInferredType(context, t, /*fix*/ true); }),
- nonFixingMapper: makeFunctionTypeMapper(function (t) { return mapToInferredType(context, t, /*fix*/ false); }),
- };
- return context;
- }
- function mapToInferredType(context, t, fix) {
- var inferences = context.inferences;
- for (var i = 0; i < inferences.length; i++) {
- var inference = inferences[i];
- if (t === inference.typeParameter) {
- if (fix && !inference.isFixed) {
- clearCachedInferences(inferences);
- inference.isFixed = true;
- }
- return getInferredType(context, i);
- }
- }
- return t;
- }
- function clearCachedInferences(inferences) {
- for (var _i = 0, inferences_1 = inferences; _i < inferences_1.length; _i++) {
- var inference = inferences_1[_i];
- if (!inference.isFixed) {
- inference.inferredType = undefined;
- }
- }
- }
- function createInferenceInfo(typeParameter) {
- return {
- typeParameter: typeParameter,
- candidates: undefined,
- contraCandidates: undefined,
- inferredType: undefined,
- priority: undefined,
- topLevel: true,
- isFixed: false
- };
- }
- function cloneInferenceInfo(inference) {
- return {
- typeParameter: inference.typeParameter,
- candidates: inference.candidates && inference.candidates.slice(),
- contraCandidates: inference.contraCandidates && inference.contraCandidates.slice(),
- inferredType: inference.inferredType,
- priority: inference.priority,
- topLevel: inference.topLevel,
- isFixed: inference.isFixed
- };
- }
- function cloneInferredPartOfContext(context) {
- var inferences = ts.filter(context.inferences, hasInferenceCandidates);
- return inferences.length ?
- createInferenceContextWorker(ts.map(inferences, cloneInferenceInfo), context.signature, context.flags, context.compareTypes) :
- undefined;
- }
- function getMapperFromContext(context) {
- return context && context.mapper;
- }
- // Return true if the given type could possibly reference a type parameter for which
- // we perform type inference (i.e. a type parameter of a generic function). We cache
- // results for union and intersection types for performance reasons.
- function couldContainTypeVariables(type) {
- var objectFlags = ts.getObjectFlags(type);
- if (objectFlags & 67108864 /* CouldContainTypeVariablesComputed */) {
- return !!(objectFlags & 134217728 /* CouldContainTypeVariables */);
- }
- var result = !!(type.flags & 63176704 /* Instantiable */ ||
- objectFlags & 4 /* Reference */ && (type.node || ts.forEach(getTypeArguments(type), couldContainTypeVariables)) ||
- objectFlags & 16 /* Anonymous */ && type.symbol && type.symbol.flags & (16 /* Function */ | 8192 /* Method */ | 32 /* Class */ | 2048 /* TypeLiteral */ | 4096 /* ObjectLiteral */) && type.symbol.declarations ||
- objectFlags & (32 /* Mapped */ | 131072 /* ObjectRestType */) ||
- type.flags & 3145728 /* UnionOrIntersection */ && !(type.flags & 1024 /* EnumLiteral */) && ts.some(type.types, couldContainTypeVariables));
- if (type.flags & 3899393 /* ObjectFlagsType */) {
- type.objectFlags |= 67108864 /* CouldContainTypeVariablesComputed */ | (result ? 134217728 /* CouldContainTypeVariables */ : 0);
- }
- return result;
- }
- function isTypeParameterAtTopLevel(type, typeParameter) {
- return !!(type === typeParameter ||
- type.flags & 3145728 /* UnionOrIntersection */ && ts.some(type.types, function (t) { return isTypeParameterAtTopLevel(t, typeParameter); }) ||
- type.flags & 16777216 /* Conditional */ && (isTypeParameterAtTopLevel(getTrueTypeFromConditionalType(type), typeParameter) ||
- isTypeParameterAtTopLevel(getFalseTypeFromConditionalType(type), typeParameter)));
- }
- /** Create an object with properties named in the string literal type. Every property has type `any` */
- function createEmptyObjectTypeFromStringLiteral(type) {
- var members = ts.createSymbolTable();
- forEachType(type, function (t) {
- if (!(t.flags & 128 /* StringLiteral */)) {
- return;
- }
- var name = ts.escapeLeadingUnderscores(t.value);
- var literalProp = createSymbol(4 /* Property */, name);
- literalProp.type = anyType;
- if (t.symbol) {
- literalProp.declarations = t.symbol.declarations;
- literalProp.valueDeclaration = t.symbol.valueDeclaration;
- }
- members.set(name, literalProp);
- });
- var indexInfo = type.flags & 4 /* String */ ? createIndexInfo(emptyObjectType, /*isReadonly*/ false) : undefined;
- return createAnonymousType(undefined, members, ts.emptyArray, ts.emptyArray, indexInfo, undefined);
- }
- /**
- * Infer a suitable input type for a homomorphic mapped type { [P in keyof T]: X }. We construct
- * an object type with the same set of properties as the source type, where the type of each
- * property is computed by inferring from the source property type to X for the type
- * variable T[P] (i.e. we treat the type T[P] as the type variable we're inferring for).
- */
- function inferTypeForHomomorphicMappedType(source, target, constraint) {
- var key = source.id + "," + target.id + "," + constraint.id;
- if (reverseMappedCache.has(key)) {
- return reverseMappedCache.get(key);
- }
- reverseMappedCache.set(key, undefined);
- var type = createReverseMappedType(source, target, constraint);
- reverseMappedCache.set(key, type);
- return type;
- }
- // We consider a type to be partially inferable if it isn't marked non-inferable or if it is
- // an object literal type with at least one property of an inferable type. For example, an object
- // literal { a: 123, b: x => true } is marked non-inferable because it contains a context sensitive
- // arrow function, but is considered partially inferable because property 'a' has an inferable type.
- function isPartiallyInferableType(type) {
- return !(ts.getObjectFlags(type) & 2097152 /* NonInferrableType */) ||
- isObjectLiteralType(type) && ts.some(getPropertiesOfType(type), function (prop) { return isPartiallyInferableType(getTypeOfSymbol(prop)); });
- }
- function createReverseMappedType(source, target, constraint) {
- // We consider a source type reverse mappable if it has a string index signature or if
- // it has one or more properties and is of a partially inferable type.
- if (!(getIndexInfoOfType(source, 0 /* String */) || getPropertiesOfType(source).length !== 0 && isPartiallyInferableType(source))) {
- return undefined;
- }
- // For arrays and tuples we infer new arrays and tuples where the reverse mapping has been
- // applied to the element type(s).
- if (isArrayType(source)) {
- return createArrayType(inferReverseMappedType(getTypeArguments(source)[0], target, constraint), isReadonlyArrayType(source));
- }
- if (isTupleType(source)) {
- var elementTypes = ts.map(getTypeArguments(source), function (t) { return inferReverseMappedType(t, target, constraint); });
- var minLength = getMappedTypeModifiers(target) & 4 /* IncludeOptional */ ?
- getTypeReferenceArity(source) - (source.target.hasRestElement ? 1 : 0) : source.target.minLength;
- return createTupleType(elementTypes, minLength, source.target.hasRestElement, source.target.readonly, source.target.associatedNames);
- }
- // For all other object types we infer a new object type where the reverse mapping has been
- // applied to the type of each property.
- var reversed = createObjectType(2048 /* ReverseMapped */ | 16 /* Anonymous */, /*symbol*/ undefined);
- reversed.source = source;
- reversed.mappedType = target;
- reversed.constraintType = constraint;
- return reversed;
- }
- function getTypeOfReverseMappedSymbol(symbol) {
- return inferReverseMappedType(symbol.propertyType, symbol.mappedType, symbol.constraintType);
- }
- function inferReverseMappedType(sourceType, target, constraint) {
- var typeParameter = getIndexedAccessType(constraint.type, getTypeParameterFromMappedType(target));
- var templateType = getTemplateTypeFromMappedType(target);
- var inference = createInferenceInfo(typeParameter);
- inferTypes([inference], sourceType, templateType);
- return getTypeFromInference(inference) || unknownType;
- }
- function getUnmatchedProperties(source, target, requireOptionalProperties, matchDiscriminantProperties) {
- var properties, _i, properties_2, targetProp, sourceProp, targetType, sourceType;
- return __generator(this, function (_a) {
- switch (_a.label) {
- case 0:
- properties = getPropertiesOfType(target);
- _i = 0, properties_2 = properties;
- _a.label = 1;
- case 1:
- if (!(_i < properties_2.length)) return [3 /*break*/, 6];
- targetProp = properties_2[_i];
- // TODO: remove this when we support static private identifier fields and find other solutions to get privateNamesAndStaticFields test to pass
- if (isStaticPrivateIdentifierProperty(targetProp)) {
- return [3 /*break*/, 5];
- }
- if (!(requireOptionalProperties || !(targetProp.flags & 16777216 /* Optional */ || ts.getCheckFlags(targetProp) & 48 /* Partial */))) return [3 /*break*/, 5];
- sourceProp = getPropertyOfType(source, targetProp.escapedName);
- if (!!sourceProp) return [3 /*break*/, 3];
- return [4 /*yield*/, targetProp];
- case 2:
- _a.sent();
- return [3 /*break*/, 5];
- case 3:
- if (!matchDiscriminantProperties) return [3 /*break*/, 5];
- targetType = getTypeOfSymbol(targetProp);
- if (!(targetType.flags & 109440 /* Unit */)) return [3 /*break*/, 5];
- sourceType = getTypeOfSymbol(sourceProp);
- if (!!(sourceType.flags & 1 /* Any */ || getRegularTypeOfLiteralType(sourceType) === getRegularTypeOfLiteralType(targetType))) return [3 /*break*/, 5];
- return [4 /*yield*/, targetProp];
- case 4:
- _a.sent();
- _a.label = 5;
- case 5:
- _i++;
- return [3 /*break*/, 1];
- case 6: return [2 /*return*/];
- }
- });
- }
- function getUnmatchedProperty(source, target, requireOptionalProperties, matchDiscriminantProperties) {
- var result = getUnmatchedProperties(source, target, requireOptionalProperties, matchDiscriminantProperties).next();
- if (!result.done)
- return result.value;
- }
- function tupleTypesDefinitelyUnrelated(source, target) {
- return target.target.minLength > source.target.minLength ||
- !getRestTypeOfTupleType(target) && (!!getRestTypeOfTupleType(source) || getLengthOfTupleType(target) < getLengthOfTupleType(source));
- }
- function typesDefinitelyUnrelated(source, target) {
- // Two tuple types with incompatible arities are definitely unrelated.
- // Two object types that each have a property that is unmatched in the other are definitely unrelated.
- return isTupleType(source) && isTupleType(target) && tupleTypesDefinitelyUnrelated(source, target) ||
- !!getUnmatchedProperty(source, target, /*requireOptionalProperties*/ false, /*matchDiscriminantProperties*/ true) &&
- !!getUnmatchedProperty(target, source, /*requireOptionalProperties*/ false, /*matchDiscriminantProperties*/ true);
- }
- function getTypeFromInference(inference) {
- return inference.candidates ? getUnionType(inference.candidates, 2 /* Subtype */) :
- inference.contraCandidates ? getIntersectionType(inference.contraCandidates) :
- undefined;
- }
- function hasSkipDirectInferenceFlag(node) {
- return !!getNodeLinks(node).skipDirectInference;
- }
- function isFromInferenceBlockedSource(type) {
- return !!(type.symbol && ts.some(type.symbol.declarations, hasSkipDirectInferenceFlag));
- }
- function inferTypes(inferences, originalSource, originalTarget, priority, contravariant) {
- if (priority === void 0) { priority = 0; }
- if (contravariant === void 0) { contravariant = false; }
- var symbolOrTypeStack;
- var visited;
- var bivariant = false;
- var propagationType;
- var inferencePriority = 512 /* MaxValue */;
- var allowComplexConstraintInference = true;
- inferFromTypes(originalSource, originalTarget);
- function inferFromTypes(source, target) {
- if (!couldContainTypeVariables(target)) {
- return;
- }
- if (source === wildcardType) {
- // We are inferring from an 'any' type. We want to infer this type for every type parameter
- // referenced in the target type, so we record it as the propagation type and infer from the
- // target to itself. Then, as we find candidates we substitute the propagation type.
- var savePropagationType = propagationType;
- propagationType = source;
- inferFromTypes(target, target);
- propagationType = savePropagationType;
- return;
- }
- if (source.aliasSymbol && source.aliasTypeArguments && source.aliasSymbol === target.aliasSymbol) {
- // Source and target are types originating in the same generic type alias declaration.
- // Simply infer from source type arguments to target type arguments.
- inferFromTypeArguments(source.aliasTypeArguments, target.aliasTypeArguments, getAliasVariances(source.aliasSymbol));
- return;
- }
- if (source === target && source.flags & 3145728 /* UnionOrIntersection */) {
- // When source and target are the same union or intersection type, just relate each constituent
- // type to itself.
- for (var _i = 0, _a = source.types; _i < _a.length; _i++) {
- var t = _a[_i];
- inferFromTypes(t, t);
- }
- return;
- }
- if (target.flags & 1048576 /* Union */) {
- // First, infer between identically matching source and target constituents and remove the
- // matching types.
- var _b = inferFromMatchingTypes(source.flags & 1048576 /* Union */ ? source.types : [source], target.types, isTypeOrBaseIdenticalTo), tempSources = _b[0], tempTargets = _b[1];
- // Next, infer between closely matching source and target constituents and remove
- // the matching types. Types closely match when they are instantiations of the same
- // object type or instantiations of the same type alias.
- var _c = inferFromMatchingTypes(tempSources, tempTargets, isTypeCloselyMatchedBy), sources = _c[0], targets = _c[1];
- if (targets.length === 0) {
- return;
- }
- target = getUnionType(targets);
- if (sources.length === 0) {
- // All source constituents have been matched and there is nothing further to infer from.
- // However, simply making no inferences is undesirable because it could ultimately mean
- // inferring a type parameter constraint. Instead, make a lower priority inference from
- // the full source to whatever remains in the target. For example, when inferring from
- // string to 'string | T', make a lower priority inference of string for T.
- inferWithPriority(source, target, 1 /* NakedTypeVariable */);
- return;
- }
- source = getUnionType(sources);
- }
- else if (target.flags & 2097152 /* Intersection */ && ts.some(target.types, function (t) { return !!getInferenceInfoForType(t) || (isGenericMappedType(t) && !!getInferenceInfoForType(getHomomorphicTypeVariable(t) || neverType)); })) {
- // We reduce intersection types only when they contain naked type parameters. For example, when
- // inferring from 'string[] & { extra: any }' to 'string[] & T' we want to remove string[] and
- // infer { extra: any } for T. But when inferring to 'string[] & Iterable<T>' we want to keep the
- // string[] on the source side and infer string for T.
- // Likewise, we consider a homomorphic mapped type constrainted to the target type parameter as similar to a "naked type variable"
- // in such scenarios.
- if (!(source.flags & 1048576 /* Union */)) {
- // Infer between identically matching source and target constituents and remove the matching types.
- var _d = inferFromMatchingTypes(source.flags & 2097152 /* Intersection */ ? source.types : [source], target.types, isTypeIdenticalTo), sources = _d[0], targets = _d[1];
- if (sources.length === 0 || targets.length === 0) {
- return;
- }
- source = getIntersectionType(sources);
- target = getIntersectionType(targets);
- }
- }
- else if (target.flags & (8388608 /* IndexedAccess */ | 33554432 /* Substitution */)) {
- target = getActualTypeVariable(target);
- }
- if (target.flags & 8650752 /* TypeVariable */) {
- // If target is a type parameter, make an inference, unless the source type contains
- // the anyFunctionType (the wildcard type that's used to avoid contextually typing functions).
- // Because the anyFunctionType is internal, it should not be exposed to the user by adding
- // it as an inference candidate. Hopefully, a better candidate will come along that does
- // not contain anyFunctionType when we come back to this argument for its second round
- // of inference. Also, we exclude inferences for silentNeverType (which is used as a wildcard
- // when constructing types from type parameters that had no inference candidates).
- if (ts.getObjectFlags(source) & 2097152 /* NonInferrableType */ || source === nonInferrableAnyType || source === silentNeverType ||
- (priority & 32 /* ReturnType */ && (source === autoType || source === autoArrayType)) || isFromInferenceBlockedSource(source)) {
- return;
- }
- var inference = getInferenceInfoForType(target);
- if (inference) {
- if (!inference.isFixed) {
- if (inference.priority === undefined || priority < inference.priority) {
- inference.candidates = undefined;
- inference.contraCandidates = undefined;
- inference.topLevel = true;
- inference.priority = priority;
- }
- if (priority === inference.priority) {
- var candidate = propagationType || source;
- // We make contravariant inferences only if we are in a pure contravariant position,
- // i.e. only if we have not descended into a bivariant position.
- if (contravariant && !bivariant) {
- if (!ts.contains(inference.contraCandidates, candidate)) {
- inference.contraCandidates = ts.append(inference.contraCandidates, candidate);
- clearCachedInferences(inferences);
- }
- }
- else if (!ts.contains(inference.candidates, candidate)) {
- inference.candidates = ts.append(inference.candidates, candidate);
- clearCachedInferences(inferences);
- }
- }
- if (!(priority & 32 /* ReturnType */) && target.flags & 262144 /* TypeParameter */ && inference.topLevel && !isTypeParameterAtTopLevel(originalTarget, target)) {
- inference.topLevel = false;
- clearCachedInferences(inferences);
- }
- }
- inferencePriority = Math.min(inferencePriority, priority);
- return;
- }
- else {
- // Infer to the simplified version of an indexed access, if possible, to (hopefully) expose more bare type parameters to the inference engine
- var simplified = getSimplifiedType(target, /*writing*/ false);
- if (simplified !== target) {
- invokeOnce(source, simplified, inferFromTypes);
- }
- else if (target.flags & 8388608 /* IndexedAccess */) {
- var indexType = getSimplifiedType(target.indexType, /*writing*/ false);
- // Generally simplifications of instantiable indexes are avoided to keep relationship checking correct, however if our target is an access, we can consider
- // that key of that access to be "instantiated", since we're looking to find the infernce goal in any way we can.
- if (indexType.flags & 63176704 /* Instantiable */) {
- var simplified_1 = distributeIndexOverObjectType(getSimplifiedType(target.objectType, /*writing*/ false), indexType, /*writing*/ false);
- if (simplified_1 && simplified_1 !== target) {
- invokeOnce(source, simplified_1, inferFromTypes);
- }
- }
- }
- }
- }
- if (ts.getObjectFlags(source) & 4 /* Reference */ && ts.getObjectFlags(target) & 4 /* Reference */ && (source.target === target.target || isArrayType(source) && isArrayType(target)) &&
- !(source.node && target.node)) {
- // If source and target are references to the same generic type, infer from type arguments
- inferFromTypeArguments(getTypeArguments(source), getTypeArguments(target), getVariances(source.target));
- }
- else if (source.flags & 4194304 /* Index */ && target.flags & 4194304 /* Index */) {
- contravariant = !contravariant;
- inferFromTypes(source.type, target.type);
- contravariant = !contravariant;
- }
- else if ((isLiteralType(source) || source.flags & 4 /* String */) && target.flags & 4194304 /* Index */) {
- var empty = createEmptyObjectTypeFromStringLiteral(source);
- contravariant = !contravariant;
- inferWithPriority(empty, target.type, 64 /* LiteralKeyof */);
- contravariant = !contravariant;
- }
- else if (source.flags & 8388608 /* IndexedAccess */ && target.flags & 8388608 /* IndexedAccess */) {
- inferFromTypes(source.objectType, target.objectType);
- inferFromTypes(source.indexType, target.indexType);
- }
- else if (source.flags & 16777216 /* Conditional */ && target.flags & 16777216 /* Conditional */) {
- inferFromTypes(source.checkType, target.checkType);
- inferFromTypes(source.extendsType, target.extendsType);
- inferFromTypes(getTrueTypeFromConditionalType(source), getTrueTypeFromConditionalType(target));
- inferFromTypes(getFalseTypeFromConditionalType(source), getFalseTypeFromConditionalType(target));
- }
- else if (target.flags & 16777216 /* Conditional */) {
- var savePriority = priority;
- priority |= contravariant ? 16 /* ContravariantConditional */ : 0;
- var targetTypes = [getTrueTypeFromConditionalType(target), getFalseTypeFromConditionalType(target)];
- inferToMultipleTypes(source, targetTypes, target.flags);
- priority = savePriority;
- }
- else if (target.flags & 3145728 /* UnionOrIntersection */) {
- inferToMultipleTypes(source, target.types, target.flags);
- }
- else if (source.flags & 1048576 /* Union */) {
- // Source is a union or intersection type, infer from each constituent type
- var sourceTypes = source.types;
- for (var _e = 0, sourceTypes_2 = sourceTypes; _e < sourceTypes_2.length; _e++) {
- var sourceType = sourceTypes_2[_e];
- inferFromTypes(sourceType, target);
- }
- }
- else {
- source = getReducedType(source);
- if (!(priority & 128 /* NoConstraints */ && source.flags & (2097152 /* Intersection */ | 63176704 /* Instantiable */))) {
- var apparentSource = getApparentType(source);
- // getApparentType can return _any_ type, since an indexed access or conditional may simplify to any other type.
- // If that occurs and it doesn't simplify to an object or intersection, we'll need to restart `inferFromTypes`
- // with the simplified source.
- if (apparentSource !== source && allowComplexConstraintInference && !(apparentSource.flags & (524288 /* Object */ | 2097152 /* Intersection */))) {
- // TODO: The `allowComplexConstraintInference` flag is a hack! This forbids inference from complex constraints within constraints!
- // This isn't required algorithmically, but rather is used to lower the memory burden caused by performing inference
- // that is _too good_ in projects with complicated constraints (eg, fp-ts). In such cases, if we did not limit ourselves
- // here, we might produce more valid inferences for types, causing us to do more checks and perform more instantiations
- // (in addition to the extra stack depth here) which, in turn, can push the already close process over its limit.
- // TL;DR: If we ever become generally more memory efficient (or our resource budget ever increases), we should just
- // remove this `allowComplexConstraintInference` flag.
- allowComplexConstraintInference = false;
- return inferFromTypes(apparentSource, target);
- }
- source = apparentSource;
- }
- if (source.flags & (524288 /* Object */ | 2097152 /* Intersection */)) {
- invokeOnce(source, target, inferFromObjectTypes);
- }
- }
- if (source.flags & 25165824 /* Simplifiable */) {
- var simplified = getSimplifiedType(source, contravariant);
- if (simplified !== source) {
- inferFromTypes(simplified, target);
- }
- }
- }
- function inferWithPriority(source, target, newPriority) {
- var savePriority = priority;
- priority |= newPriority;
- inferFromTypes(source, target);
- priority = savePriority;
- }
- function invokeOnce(source, target, action) {
- var key = source.id + "," + target.id;
- var status = visited && visited.get(key);
- if (status !== undefined) {
- inferencePriority = Math.min(inferencePriority, status);
- return;
- }
- (visited || (visited = ts.createMap())).set(key, -1 /* Circularity */);
- var saveInferencePriority = inferencePriority;
- inferencePriority = 512 /* MaxValue */;
- action(source, target);
- visited.set(key, inferencePriority);
- inferencePriority = Math.min(inferencePriority, saveInferencePriority);
- }
- function inferFromMatchingTypes(sources, targets, matches) {
- var matchedSources;
- var matchedTargets;
- for (var _i = 0, targets_1 = targets; _i < targets_1.length; _i++) {
- var t = targets_1[_i];
- for (var _a = 0, sources_1 = sources; _a < sources_1.length; _a++) {
- var s = sources_1[_a];
- if (matches(s, t)) {
- inferFromTypes(s, t);
- matchedSources = ts.appendIfUnique(matchedSources, s);
- matchedTargets = ts.appendIfUnique(matchedTargets, t);
- }
- }
- }
- return [
- matchedSources ? ts.filter(sources, function (t) { return !ts.contains(matchedSources, t); }) : sources,
- matchedTargets ? ts.filter(targets, function (t) { return !ts.contains(matchedTargets, t); }) : targets,
- ];
- }
- function inferFromTypeArguments(sourceTypes, targetTypes, variances) {
- var count = sourceTypes.length < targetTypes.length ? sourceTypes.length : targetTypes.length;
- for (var i = 0; i < count; i++) {
- if (i < variances.length && (variances[i] & 7 /* VarianceMask */) === 2 /* Contravariant */) {
- inferFromContravariantTypes(sourceTypes[i], targetTypes[i]);
- }
- else {
- inferFromTypes(sourceTypes[i], targetTypes[i]);
- }
- }
- }
- function inferFromContravariantTypes(source, target) {
- if (strictFunctionTypes || priority & 256 /* AlwaysStrict */) {
- contravariant = !contravariant;
- inferFromTypes(source, target);
- contravariant = !contravariant;
- }
- else {
- inferFromTypes(source, target);
- }
- }
- function getInferenceInfoForType(type) {
- if (type.flags & 8650752 /* TypeVariable */) {
- for (var _i = 0, inferences_2 = inferences; _i < inferences_2.length; _i++) {
- var inference = inferences_2[_i];
- if (type === inference.typeParameter) {
- return inference;
- }
- }
- }
- return undefined;
- }
- function getSingleTypeVariableFromIntersectionTypes(types) {
- var typeVariable;
- for (var _i = 0, types_14 = types; _i < types_14.length; _i++) {
- var type = types_14[_i];
- var t = type.flags & 2097152 /* Intersection */ && ts.find(type.types, function (t) { return !!getInferenceInfoForType(t); });
- if (!t || typeVariable && t !== typeVariable) {
- return undefined;
- }
- typeVariable = t;
- }
- return typeVariable;
- }
- function inferToMultipleTypes(source, targets, targetFlags) {
- var typeVariableCount = 0;
- if (targetFlags & 1048576 /* Union */) {
- var nakedTypeVariable = void 0;
- var sources = source.flags & 1048576 /* Union */ ? source.types : [source];
- var matched_1 = new Array(sources.length);
- var inferenceCircularity = false;
- // First infer to types that are not naked type variables. For each source type we
- // track whether inferences were made from that particular type to some target with
- // equal priority (i.e. of equal quality) to what we would infer for a naked type
- // parameter.
- for (var _i = 0, targets_2 = targets; _i < targets_2.length; _i++) {
- var t = targets_2[_i];
- if (getInferenceInfoForType(t)) {
- nakedTypeVariable = t;
- typeVariableCount++;
- }
- else {
- for (var i = 0; i < sources.length; i++) {
- var saveInferencePriority = inferencePriority;
- inferencePriority = 512 /* MaxValue */;
- inferFromTypes(sources[i], t);
- if (inferencePriority === priority)
- matched_1[i] = true;
- inferenceCircularity = inferenceCircularity || inferencePriority === -1 /* Circularity */;
- inferencePriority = Math.min(inferencePriority, saveInferencePriority);
- }
- }
- }
- if (typeVariableCount === 0) {
- // If every target is an intersection of types containing a single naked type variable,
- // make a lower priority inference to that type variable. This handles inferring from
- // 'A | B' to 'T & (X | Y)' where we want to infer 'A | B' for T.
- var intersectionTypeVariable = getSingleTypeVariableFromIntersectionTypes(targets);
- if (intersectionTypeVariable) {
- inferWithPriority(source, intersectionTypeVariable, 1 /* NakedTypeVariable */);
- }
- return;
- }
- // If the target has a single naked type variable and no inference circularities were
- // encountered above (meaning we explored the types fully), create a union of the source
- // types from which no inferences have been made so far and infer from that union to the
- // naked type variable.
- if (typeVariableCount === 1 && !inferenceCircularity) {
- var unmatched = ts.flatMap(sources, function (s, i) { return matched_1[i] ? undefined : s; });
- if (unmatched.length) {
- inferFromTypes(getUnionType(unmatched), nakedTypeVariable);
- return;
- }
- }
- }
- else {
- // We infer from types that are not naked type variables first so that inferences we
- // make from nested naked type variables and given slightly higher priority by virtue
- // of being first in the candidates array.
- for (var _a = 0, targets_3 = targets; _a < targets_3.length; _a++) {
- var t = targets_3[_a];
- if (getInferenceInfoForType(t)) {
- typeVariableCount++;
- }
- else {
- inferFromTypes(source, t);
- }
- }
- }
- // Inferences directly to naked type variables are given lower priority as they are
- // less specific. For example, when inferring from Promise<string> to T | Promise<T>,
- // we want to infer string for T, not Promise<string> | string. For intersection types
- // we only infer to single naked type variables.
- if (targetFlags & 2097152 /* Intersection */ ? typeVariableCount === 1 : typeVariableCount > 0) {
- for (var _b = 0, targets_4 = targets; _b < targets_4.length; _b++) {
- var t = targets_4[_b];
- if (getInferenceInfoForType(t)) {
- inferWithPriority(source, t, 1 /* NakedTypeVariable */);
- }
- }
- }
- }
- function inferToMappedType(source, target, constraintType) {
- if (constraintType.flags & 1048576 /* Union */) {
- var result = false;
- for (var _i = 0, _a = constraintType.types; _i < _a.length; _i++) {
- var type = _a[_i];
- result = inferToMappedType(source, target, type) || result;
- }
- return result;
- }
- if (constraintType.flags & 4194304 /* Index */) {
- // We're inferring from some source type S to a homomorphic mapped type { [P in keyof T]: X },
- // where T is a type variable. Use inferTypeForHomomorphicMappedType to infer a suitable source
- // type and then make a secondary inference from that type to T. We make a secondary inference
- // such that direct inferences to T get priority over inferences to Partial<T>, for example.
- var inference = getInferenceInfoForType(constraintType.type);
- if (inference && !inference.isFixed && !isFromInferenceBlockedSource(source)) {
- var inferredType = inferTypeForHomomorphicMappedType(source, target, constraintType);
- if (inferredType) {
- // We assign a lower priority to inferences made from types containing non-inferrable
- // types because we may only have a partial result (i.e. we may have failed to make
- // reverse inferences for some properties).
- inferWithPriority(inferredType, inference.typeParameter, ts.getObjectFlags(source) & 2097152 /* NonInferrableType */ ?
- 4 /* PartialHomomorphicMappedType */ :
- 2 /* HomomorphicMappedType */);
- }
- }
- return true;
- }
- if (constraintType.flags & 262144 /* TypeParameter */) {
- // We're inferring from some source type S to a mapped type { [P in K]: X }, where K is a type
- // parameter. First infer from 'keyof S' to K.
- inferWithPriority(getIndexType(source), constraintType, 8 /* MappedTypeConstraint */);
- // If K is constrained to a type C, also infer to C. Thus, for a mapped type { [P in K]: X },
- // where K extends keyof T, we make the same inferences as for a homomorphic mapped type
- // { [P in keyof T]: X }. This enables us to make meaningful inferences when the target is a
- // Pick<T, K>.
- var extendedConstraint = getConstraintOfType(constraintType);
- if (extendedConstraint && inferToMappedType(source, target, extendedConstraint)) {
- return true;
- }
- // If no inferences can be made to K's constraint, infer from a union of the property types
- // in the source to the template type X.
- var propTypes = ts.map(getPropertiesOfType(source), getTypeOfSymbol);
- var stringIndexType = getIndexTypeOfType(source, 0 /* String */);
- var numberIndexInfo = getNonEnumNumberIndexInfo(source);
- var numberIndexType = numberIndexInfo && numberIndexInfo.type;
- inferFromTypes(getUnionType(ts.append(ts.append(propTypes, stringIndexType), numberIndexType)), getTemplateTypeFromMappedType(target));
- return true;
- }
- return false;
- }
- function inferFromObjectTypes(source, target) {
- // If we are already processing another target type with the same associated symbol (such as
- // an instantiation of the same generic type), we do not explore this target as it would yield
- // no further inferences. We exclude the static side of classes from this check since it shares
- // its symbol with the instance side which would lead to false positives.
- var isNonConstructorObject = target.flags & 524288 /* Object */ &&
- !(ts.getObjectFlags(target) & 16 /* Anonymous */ && target.symbol && target.symbol.flags & 32 /* Class */);
- var symbolOrType = isNonConstructorObject ? isTupleType(target) ? target.target : target.symbol : undefined;
- if (symbolOrType) {
- if (ts.contains(symbolOrTypeStack, symbolOrType)) {
- inferencePriority = -1 /* Circularity */;
- return;
- }
- (symbolOrTypeStack || (symbolOrTypeStack = [])).push(symbolOrType);
- inferFromObjectTypesWorker(source, target);
- symbolOrTypeStack.pop();
- }
- else {
- inferFromObjectTypesWorker(source, target);
- }
- }
- function inferFromObjectTypesWorker(source, target) {
- if (ts.getObjectFlags(source) & 4 /* Reference */ && ts.getObjectFlags(target) & 4 /* Reference */ && (source.target === target.target || isArrayType(source) && isArrayType(target))) {
- // If source and target are references to the same generic type, infer from type arguments
- inferFromTypeArguments(getTypeArguments(source), getTypeArguments(target), getVariances(source.target));
- return;
- }
- if (isGenericMappedType(source) && isGenericMappedType(target)) {
- // The source and target types are generic types { [P in S]: X } and { [P in T]: Y }, so we infer
- // from S to T and from X to Y.
- inferFromTypes(getConstraintTypeFromMappedType(source), getConstraintTypeFromMappedType(target));
- inferFromTypes(getTemplateTypeFromMappedType(source), getTemplateTypeFromMappedType(target));
- }
- if (ts.getObjectFlags(target) & 32 /* Mapped */) {
- var constraintType = getConstraintTypeFromMappedType(target);
- if (inferToMappedType(source, target, constraintType)) {
- return;
- }
- }
- // Infer from the members of source and target only if the two types are possibly related
- if (!typesDefinitelyUnrelated(source, target)) {
- if (isArrayType(source) || isTupleType(source)) {
- if (isTupleType(target)) {
- var sourceLength = isTupleType(source) ? getLengthOfTupleType(source) : 0;
- var targetLength = getLengthOfTupleType(target);
- var sourceRestType = isTupleType(source) ? getRestTypeOfTupleType(source) : getElementTypeOfArrayType(source);
- var targetRestType = getRestTypeOfTupleType(target);
- var fixedLength = targetLength < sourceLength || sourceRestType ? targetLength : sourceLength;
- for (var i = 0; i < fixedLength; i++) {
- inferFromTypes(i < sourceLength ? getTypeArguments(source)[i] : sourceRestType, getTypeArguments(target)[i]);
- }
- if (targetRestType) {
- var types = fixedLength < sourceLength ? getTypeArguments(source).slice(fixedLength, sourceLength) : [];
- if (sourceRestType) {
- types.push(sourceRestType);
- }
- if (types.length) {
- inferFromTypes(getUnionType(types), targetRestType);
- }
- }
- return;
- }
- if (isArrayType(target)) {
- inferFromIndexTypes(source, target);
- return;
- }
- }
- inferFromProperties(source, target);
- inferFromSignatures(source, target, 0 /* Call */);
- inferFromSignatures(source, target, 1 /* Construct */);
- inferFromIndexTypes(source, target);
- }
- }
- function inferFromProperties(source, target) {
- var properties = getPropertiesOfObjectType(target);
- for (var _i = 0, properties_3 = properties; _i < properties_3.length; _i++) {
- var targetProp = properties_3[_i];
- var sourceProp = getPropertyOfType(source, targetProp.escapedName);
- if (sourceProp) {
- inferFromTypes(getTypeOfSymbol(sourceProp), getTypeOfSymbol(targetProp));
- }
- }
- }
- function inferFromSignatures(source, target, kind) {
- var sourceSignatures = getSignaturesOfType(source, kind);
- var targetSignatures = getSignaturesOfType(target, kind);
- var sourceLen = sourceSignatures.length;
- var targetLen = targetSignatures.length;
- var len = sourceLen < targetLen ? sourceLen : targetLen;
- var skipParameters = !!(ts.getObjectFlags(source) & 2097152 /* NonInferrableType */);
- for (var i = 0; i < len; i++) {
- inferFromSignature(getBaseSignature(sourceSignatures[sourceLen - len + i]), getErasedSignature(targetSignatures[targetLen - len + i]), skipParameters);
- }
- }
- function inferFromSignature(source, target, skipParameters) {
- if (!skipParameters) {
- var saveBivariant = bivariant;
- var kind = target.declaration ? target.declaration.kind : 0 /* Unknown */;
- // Once we descend into a bivariant signature we remain bivariant for all nested inferences
- bivariant = bivariant || kind === 161 /* MethodDeclaration */ || kind === 160 /* MethodSignature */ || kind === 162 /* Constructor */;
- applyToParameterTypes(source, target, inferFromContravariantTypes);
- bivariant = saveBivariant;
- }
- applyToReturnTypes(source, target, inferFromTypes);
- }
- function inferFromIndexTypes(source, target) {
- var targetStringIndexType = getIndexTypeOfType(target, 0 /* String */);
- if (targetStringIndexType) {
- var sourceIndexType = getIndexTypeOfType(source, 0 /* String */) ||
- getImplicitIndexTypeOfType(source, 0 /* String */);
- if (sourceIndexType) {
- inferFromTypes(sourceIndexType, targetStringIndexType);
- }
- }
- var targetNumberIndexType = getIndexTypeOfType(target, 1 /* Number */);
- if (targetNumberIndexType) {
- var sourceIndexType = getIndexTypeOfType(source, 1 /* Number */) ||
- getIndexTypeOfType(source, 0 /* String */) ||
- getImplicitIndexTypeOfType(source, 1 /* Number */);
- if (sourceIndexType) {
- inferFromTypes(sourceIndexType, targetNumberIndexType);
- }
- }
- }
- }
- function isTypeOrBaseIdenticalTo(s, t) {
- return isTypeIdenticalTo(s, t) || !!(t.flags & 4 /* String */ && s.flags & 128 /* StringLiteral */ || t.flags & 8 /* Number */ && s.flags & 256 /* NumberLiteral */);
- }
- function isTypeCloselyMatchedBy(s, t) {
- return !!(s.flags & 524288 /* Object */ && t.flags & 524288 /* Object */ && s.symbol && s.symbol === t.symbol ||
- s.aliasSymbol && s.aliasTypeArguments && s.aliasSymbol === t.aliasSymbol);
- }
- function hasPrimitiveConstraint(type) {
- var constraint = getConstraintOfTypeParameter(type);
- return !!constraint && maybeTypeOfKind(constraint.flags & 16777216 /* Conditional */ ? getDefaultConstraintOfConditionalType(constraint) : constraint, 131068 /* Primitive */ | 4194304 /* Index */);
- }
- function isObjectLiteralType(type) {
- return !!(ts.getObjectFlags(type) & 128 /* ObjectLiteral */);
- }
- function isObjectOrArrayLiteralType(type) {
- return !!(ts.getObjectFlags(type) & (128 /* ObjectLiteral */ | 65536 /* ArrayLiteral */));
- }
- function unionObjectAndArrayLiteralCandidates(candidates) {
- if (candidates.length > 1) {
- var objectLiterals = ts.filter(candidates, isObjectOrArrayLiteralType);
- if (objectLiterals.length) {
- var literalsType = getUnionType(objectLiterals, 2 /* Subtype */);
- return ts.concatenate(ts.filter(candidates, function (t) { return !isObjectOrArrayLiteralType(t); }), [literalsType]);
- }
- }
- return candidates;
- }
- function getContravariantInference(inference) {
- return inference.priority & 104 /* PriorityImpliesCombination */ ? getIntersectionType(inference.contraCandidates) : getCommonSubtype(inference.contraCandidates);
- }
- function getCovariantInference(inference, signature) {
- // Extract all object and array literal types and replace them with a single widened and normalized type.
- var candidates = unionObjectAndArrayLiteralCandidates(inference.candidates);
- // We widen inferred literal types if
- // all inferences were made to top-level occurrences of the type parameter, and
- // the type parameter has no constraint or its constraint includes no primitive or literal types, and
- // the type parameter was fixed during inference or does not occur at top-level in the return type.
- var primitiveConstraint = hasPrimitiveConstraint(inference.typeParameter);
- var widenLiteralTypes = !primitiveConstraint && inference.topLevel &&
- (inference.isFixed || !isTypeParameterAtTopLevel(getReturnTypeOfSignature(signature), inference.typeParameter));
- var baseCandidates = primitiveConstraint ? ts.sameMap(candidates, getRegularTypeOfLiteralType) :
- widenLiteralTypes ? ts.sameMap(candidates, getWidenedLiteralType) :
- candidates;
- // If all inferences were made from a position that implies a combined result, infer a union type.
- // Otherwise, infer a common supertype.
- var unwidenedType = inference.priority & 104 /* PriorityImpliesCombination */ ?
- getUnionType(baseCandidates, 2 /* Subtype */) :
- getCommonSupertype(baseCandidates);
- return getWidenedType(unwidenedType);
- }
- function getInferredType(context, index) {
- var inference = context.inferences[index];
- if (!inference.inferredType) {
- var inferredType = void 0;
- var signature = context.signature;
- if (signature) {
- var inferredCovariantType = inference.candidates ? getCovariantInference(inference, signature) : undefined;
- if (inference.contraCandidates) {
- var inferredContravariantType = getContravariantInference(inference);
- // If we have both co- and contra-variant inferences, we prefer the contra-variant inference
- // unless the co-variant inference is a subtype and not 'never'.
- inferredType = inferredCovariantType && !(inferredCovariantType.flags & 131072 /* Never */) &&
- isTypeSubtypeOf(inferredCovariantType, inferredContravariantType) ?
- inferredCovariantType : inferredContravariantType;
- }
- else if (inferredCovariantType) {
- inferredType = inferredCovariantType;
- }
- else if (context.flags & 1 /* NoDefault */) {
- // We use silentNeverType as the wildcard that signals no inferences.
- inferredType = silentNeverType;
- }
- else {
- // Infer either the default or the empty object type when no inferences were
- // made. It is important to remember that in this case, inference still
- // succeeds, meaning there is no error for not having inference candidates. An
- // inference error only occurs when there are *conflicting* candidates, i.e.
- // candidates with no common supertype.
- var defaultType = getDefaultFromTypeParameter(inference.typeParameter);
- if (defaultType) {
- // Instantiate the default type. Any forward reference to a type
- // parameter should be instantiated to the empty object type.
- inferredType = instantiateType(defaultType, mergeTypeMappers(createBackreferenceMapper(context, index), context.nonFixingMapper));
- }
- }
- }
- else {
- inferredType = getTypeFromInference(inference);
- }
- inference.inferredType = inferredType || getDefaultTypeArgumentType(!!(context.flags & 2 /* AnyDefault */));
- var constraint = getConstraintOfTypeParameter(inference.typeParameter);
- if (constraint) {
- var instantiatedConstraint = instantiateType(constraint, context.nonFixingMapper);
- if (!inferredType || !context.compareTypes(inferredType, getTypeWithThisArgument(instantiatedConstraint, inferredType))) {
- inference.inferredType = inferredType = instantiatedConstraint;
- }
- }
- }
- return inference.inferredType;
- }
- function getDefaultTypeArgumentType(isInJavaScriptFile) {
- return isInJavaScriptFile ? anyType : unknownType;
- }
- function getInferredTypes(context) {
- var result = [];
- for (var i = 0; i < context.inferences.length; i++) {
- result.push(getInferredType(context, i));
- }
- return result;
- }
- // EXPRESSION TYPE CHECKING
- function getCannotFindNameDiagnosticForName(node) {
- switch (node.escapedText) {
- case "document":
- case "console":
- return ts.Diagnostics.Cannot_find_name_0_Do_you_need_to_change_your_target_library_Try_changing_the_lib_compiler_option_to_include_dom;
- case "$":
- return compilerOptions.types
- ? ts.Diagnostics.Cannot_find_name_0_Do_you_need_to_install_type_definitions_for_jQuery_Try_npm_i_types_Slashjquery_and_then_add_jquery_to_the_types_field_in_your_tsconfig
- : ts.Diagnostics.Cannot_find_name_0_Do_you_need_to_install_type_definitions_for_jQuery_Try_npm_i_types_Slashjquery;
- case "describe":
- case "suite":
- case "it":
- case "test":
- return compilerOptions.types
- ? ts.Diagnostics.Cannot_find_name_0_Do_you_need_to_install_type_definitions_for_a_test_runner_Try_npm_i_types_Slashjest_or_npm_i_types_Slashmocha_and_then_add_jest_or_mocha_to_the_types_field_in_your_tsconfig
- : ts.Diagnostics.Cannot_find_name_0_Do_you_need_to_install_type_definitions_for_a_test_runner_Try_npm_i_types_Slashjest_or_npm_i_types_Slashmocha;
- case "process":
- case "require":
- case "Buffer":
- case "module":
- return compilerOptions.types
- ? ts.Diagnostics.Cannot_find_name_0_Do_you_need_to_install_type_definitions_for_node_Try_npm_i_types_Slashnode_and_then_add_node_to_the_types_field_in_your_tsconfig
- : ts.Diagnostics.Cannot_find_name_0_Do_you_need_to_install_type_definitions_for_node_Try_npm_i_types_Slashnode;
- case "Map":
- case "Set":
- case "Promise":
- case "Symbol":
- case "WeakMap":
- case "WeakSet":
- case "Iterator":
- case "AsyncIterator":
- return ts.Diagnostics.Cannot_find_name_0_Do_you_need_to_change_your_target_library_Try_changing_the_lib_compiler_option_to_es2015_or_later;
- default:
- if (node.parent.kind === 282 /* ShorthandPropertyAssignment */) {
- return ts.Diagnostics.No_value_exists_in_scope_for_the_shorthand_property_0_Either_declare_one_or_provide_an_initializer;
- }
- else {
- return ts.Diagnostics.Cannot_find_name_0;
- }
- }
- }
- function getResolvedSymbol(node) {
- var links = getNodeLinks(node);
- if (!links.resolvedSymbol) {
- links.resolvedSymbol = !ts.nodeIsMissing(node) &&
- resolveName(node, node.escapedText, 111551 /* Value */ | 1048576 /* ExportValue */, getCannotFindNameDiagnosticForName(node), node, !ts.isWriteOnlyAccess(node),
- /*excludeGlobals*/ false, ts.Diagnostics.Cannot_find_name_0_Did_you_mean_1) || unknownSymbol;
- }
- return links.resolvedSymbol;
- }
- function isInTypeQuery(node) {
- // TypeScript 1.0 spec (April 2014): 3.6.3
- // A type query consists of the keyword typeof followed by an expression.
- // The expression is restricted to a single identifier or a sequence of identifiers separated by periods
- return !!ts.findAncestor(node, function (n) { return n.kind === 172 /* TypeQuery */ ? true : n.kind === 75 /* Identifier */ || n.kind === 153 /* QualifiedName */ ? false : "quit"; });
- }
- // Return the flow cache key for a "dotted name" (i.e. a sequence of identifiers
- // separated by dots). The key consists of the id of the symbol referenced by the
- // leftmost identifier followed by zero or more property names separated by dots.
- // The result is undefined if the reference isn't a dotted name. We prefix nodes
- // occurring in an apparent type position with '@' because the control flow type
- // of such nodes may be based on the apparent type instead of the declared type.
- function getFlowCacheKey(node, declaredType, initialType, flowContainer) {
- switch (node.kind) {
- case 75 /* Identifier */:
- var symbol = getResolvedSymbol(node);
- return symbol !== unknownSymbol ? (flowContainer ? getNodeId(flowContainer) : "-1") + "|" + getTypeId(declaredType) + "|" + getTypeId(initialType) + "|" + (isConstraintPosition(node) ? "@" : "") + getSymbolId(symbol) : undefined;
- case 104 /* ThisKeyword */:
- return "0";
- case 218 /* NonNullExpression */:
- case 200 /* ParenthesizedExpression */:
- return getFlowCacheKey(node.expression, declaredType, initialType, flowContainer);
- case 194 /* PropertyAccessExpression */:
- case 195 /* ElementAccessExpression */:
- var propName = getAccessedPropertyName(node);
- if (propName !== undefined) {
- var key = getFlowCacheKey(node.expression, declaredType, initialType, flowContainer);
- return key && key + "." + propName;
- }
- }
- return undefined;
- }
- function isMatchingReference(source, target) {
- switch (target.kind) {
- case 200 /* ParenthesizedExpression */:
- case 218 /* NonNullExpression */:
- return isMatchingReference(source, target.expression);
- }
- switch (source.kind) {
- case 75 /* Identifier */:
- return target.kind === 75 /* Identifier */ && getResolvedSymbol(source) === getResolvedSymbol(target) ||
- (target.kind === 242 /* VariableDeclaration */ || target.kind === 191 /* BindingElement */) &&
- getExportSymbolOfValueSymbolIfExported(getResolvedSymbol(source)) === getSymbolOfNode(target);
- case 104 /* ThisKeyword */:
- return target.kind === 104 /* ThisKeyword */;
- case 102 /* SuperKeyword */:
- return target.kind === 102 /* SuperKeyword */;
- case 218 /* NonNullExpression */:
- case 200 /* ParenthesizedExpression */:
- return isMatchingReference(source.expression, target);
- case 194 /* PropertyAccessExpression */:
- case 195 /* ElementAccessExpression */:
- return ts.isAccessExpression(target) &&
- getAccessedPropertyName(source) === getAccessedPropertyName(target) &&
- isMatchingReference(source.expression, target.expression);
- }
- return false;
- }
- // Given a source x, check if target matches x or is an && operation with an operand that matches x.
- function containsTruthyCheck(source, target) {
- return isMatchingReference(source, target) ||
- (target.kind === 209 /* BinaryExpression */ && target.operatorToken.kind === 55 /* AmpersandAmpersandToken */ &&
- (containsTruthyCheck(source, target.left) || containsTruthyCheck(source, target.right)));
- }
- function getAccessedPropertyName(access) {
- return access.kind === 194 /* PropertyAccessExpression */ ? access.name.escapedText :
- ts.isStringOrNumericLiteralLike(access.argumentExpression) ? ts.escapeLeadingUnderscores(access.argumentExpression.text) :
- undefined;
- }
- function containsMatchingReference(source, target) {
- while (ts.isAccessExpression(source)) {
- source = source.expression;
- if (isMatchingReference(source, target)) {
- return true;
- }
- }
- return false;
- }
- function optionalChainContainsReference(source, target) {
- while (ts.isOptionalChain(source)) {
- source = source.expression;
- if (isMatchingReference(source, target)) {
- return true;
- }
- }
- return false;
- }
- function isDiscriminantProperty(type, name) {
- if (type && type.flags & 1048576 /* Union */) {
- var prop = getUnionOrIntersectionProperty(type, name);
- if (prop && ts.getCheckFlags(prop) & 2 /* SyntheticProperty */) {
- if (prop.isDiscriminantProperty === undefined) {
- prop.isDiscriminantProperty =
- (prop.checkFlags & 192 /* Discriminant */) === 192 /* Discriminant */ &&
- !maybeTypeOfKind(getTypeOfSymbol(prop), 63176704 /* Instantiable */);
- }
- return !!prop.isDiscriminantProperty;
- }
- }
- return false;
- }
- function findDiscriminantProperties(sourceProperties, target) {
- var result;
- for (var _i = 0, sourceProperties_2 = sourceProperties; _i < sourceProperties_2.length; _i++) {
- var sourceProperty = sourceProperties_2[_i];
- if (isDiscriminantProperty(target, sourceProperty.escapedName)) {
- if (result) {
- result.push(sourceProperty);
- continue;
- }
- result = [sourceProperty];
- }
- }
- return result;
- }
- function isOrContainsMatchingReference(source, target) {
- return isMatchingReference(source, target) || containsMatchingReference(source, target);
- }
- function hasMatchingArgument(callExpression, reference) {
- if (callExpression.arguments) {
- for (var _i = 0, _a = callExpression.arguments; _i < _a.length; _i++) {
- var argument = _a[_i];
- if (isOrContainsMatchingReference(reference, argument)) {
- return true;
- }
- }
- }
- if (callExpression.expression.kind === 194 /* PropertyAccessExpression */ &&
- isOrContainsMatchingReference(reference, callExpression.expression.expression)) {
- return true;
- }
- return false;
- }
- function getFlowNodeId(flow) {
- if (!flow.id || flow.id < 0) {
- flow.id = nextFlowId;
- nextFlowId++;
- }
- return flow.id;
- }
- function typeMaybeAssignableTo(source, target) {
- if (!(source.flags & 1048576 /* Union */)) {
- return isTypeAssignableTo(source, target);
- }
- for (var _i = 0, _a = source.types; _i < _a.length; _i++) {
- var t = _a[_i];
- if (isTypeAssignableTo(t, target)) {
- return true;
- }
- }
- return false;
- }
- // Remove those constituent types of declaredType to which no constituent type of assignedType is assignable.
- // For example, when a variable of type number | string | boolean is assigned a value of type number | boolean,
- // we remove type string.
- function getAssignmentReducedType(declaredType, assignedType) {
- if (declaredType !== assignedType) {
- if (assignedType.flags & 131072 /* Never */) {
- return assignedType;
- }
- var reducedType = filterType(declaredType, function (t) { return typeMaybeAssignableTo(assignedType, t); });
- if (assignedType.flags & 512 /* BooleanLiteral */ && isFreshLiteralType(assignedType)) {
- reducedType = mapType(reducedType, getFreshTypeOfLiteralType); // Ensure that if the assignment is a fresh type, that we narrow to fresh types
- }
- // Our crude heuristic produces an invalid result in some cases: see GH#26130.
- // For now, when that happens, we give up and don't narrow at all. (This also
- // means we'll never narrow for erroneous assignments where the assigned type
- // is not assignable to the declared type.)
- if (isTypeAssignableTo(assignedType, reducedType)) {
- return reducedType;
- }
- }
- return declaredType;
- }
- function getTypeFactsOfTypes(types) {
- var result = 0 /* None */;
- for (var _i = 0, types_15 = types; _i < types_15.length; _i++) {
- var t = types_15[_i];
- result |= getTypeFacts(t);
- }
- return result;
- }
- function isFunctionObjectType(type) {
- // We do a quick check for a "bind" property before performing the more expensive subtype
- // check. This gives us a quicker out in the common case where an object type is not a function.
- var resolved = resolveStructuredTypeMembers(type);
- return !!(resolved.callSignatures.length || resolved.constructSignatures.length ||
- resolved.members.get("bind") && isTypeSubtypeOf(type, globalFunctionType));
- }
- function getTypeFacts(type) {
- var flags = type.flags;
- if (flags & 4 /* String */) {
- return strictNullChecks ? 16317953 /* StringStrictFacts */ : 16776705 /* StringFacts */;
- }
- if (flags & 128 /* StringLiteral */) {
- var isEmpty = type.value === "";
- return strictNullChecks ?
- isEmpty ? 12123649 /* EmptyStringStrictFacts */ : 7929345 /* NonEmptyStringStrictFacts */ :
- isEmpty ? 12582401 /* EmptyStringFacts */ : 16776705 /* NonEmptyStringFacts */;
- }
- if (flags & (8 /* Number */ | 32 /* Enum */)) {
- return strictNullChecks ? 16317698 /* NumberStrictFacts */ : 16776450 /* NumberFacts */;
- }
- if (flags & 256 /* NumberLiteral */) {
- var isZero = type.value === 0;
- return strictNullChecks ?
- isZero ? 12123394 /* ZeroNumberStrictFacts */ : 7929090 /* NonZeroNumberStrictFacts */ :
- isZero ? 12582146 /* ZeroNumberFacts */ : 16776450 /* NonZeroNumberFacts */;
- }
- if (flags & 64 /* BigInt */) {
- return strictNullChecks ? 16317188 /* BigIntStrictFacts */ : 16775940 /* BigIntFacts */;
- }
- if (flags & 2048 /* BigIntLiteral */) {
- var isZero = isZeroBigInt(type);
- return strictNullChecks ?
- isZero ? 12122884 /* ZeroBigIntStrictFacts */ : 7928580 /* NonZeroBigIntStrictFacts */ :
- isZero ? 12581636 /* ZeroBigIntFacts */ : 16775940 /* NonZeroBigIntFacts */;
- }
- if (flags & 16 /* Boolean */) {
- return strictNullChecks ? 16316168 /* BooleanStrictFacts */ : 16774920 /* BooleanFacts */;
- }
- if (flags & 528 /* BooleanLike */) {
- return strictNullChecks ?
- (type === falseType || type === regularFalseType) ? 12121864 /* FalseStrictFacts */ : 7927560 /* TrueStrictFacts */ :
- (type === falseType || type === regularFalseType) ? 12580616 /* FalseFacts */ : 16774920 /* TrueFacts */;
- }
- if (flags & 524288 /* Object */) {
- return ts.getObjectFlags(type) & 16 /* Anonymous */ && isEmptyObjectType(type) ?
- strictNullChecks ? 16318463 /* EmptyObjectStrictFacts */ : 16777215 /* EmptyObjectFacts */ :
- isFunctionObjectType(type) ?
- strictNullChecks ? 7880640 /* FunctionStrictFacts */ : 16728000 /* FunctionFacts */ :
- strictNullChecks ? 7888800 /* ObjectStrictFacts */ : 16736160 /* ObjectFacts */;
- }
- if (flags & (16384 /* Void */ | 32768 /* Undefined */)) {
- return 9830144 /* UndefinedFacts */;
- }
- if (flags & 65536 /* Null */) {
- return 9363232 /* NullFacts */;
- }
- if (flags & 12288 /* ESSymbolLike */) {
- return strictNullChecks ? 7925520 /* SymbolStrictFacts */ : 16772880 /* SymbolFacts */;
- }
- if (flags & 67108864 /* NonPrimitive */) {
- return strictNullChecks ? 7888800 /* ObjectStrictFacts */ : 16736160 /* ObjectFacts */;
- }
- if (flags & 131072 /* Never */) {
- return 0 /* None */;
- }
- if (flags & 63176704 /* Instantiable */) {
- return getTypeFacts(getBaseConstraintOfType(type) || unknownType);
- }
- if (flags & 3145728 /* UnionOrIntersection */) {
- return getTypeFactsOfTypes(type.types);
- }
- return 16777215 /* All */;
- }
- function getTypeWithFacts(type, include) {
- return filterType(type, function (t) { return (getTypeFacts(t) & include) !== 0; });
- }
- function getTypeWithDefault(type, defaultExpression) {
- if (defaultExpression) {
- var defaultType = getTypeOfExpression(defaultExpression);
- return getUnionType([getTypeWithFacts(type, 524288 /* NEUndefined */), defaultType]);
- }
- return type;
- }
- function getTypeOfDestructuredProperty(type, name) {
- var nameType = getLiteralTypeFromPropertyName(name);
- if (!isTypeUsableAsPropertyName(nameType))
- return errorType;
- var text = getPropertyNameFromType(nameType);
- return getConstraintForLocation(getTypeOfPropertyOfType(type, text), name) ||
- isNumericLiteralName(text) && getIndexTypeOfType(type, 1 /* Number */) ||
- getIndexTypeOfType(type, 0 /* String */) ||
- errorType;
- }
- function getTypeOfDestructuredArrayElement(type, index) {
- return everyType(type, isTupleLikeType) && getTupleElementType(type, index) ||
- checkIteratedTypeOrElementType(65 /* Destructuring */, type, undefinedType, /*errorNode*/ undefined) ||
- errorType;
- }
- function getTypeOfDestructuredSpreadExpression(type) {
- return createArrayType(checkIteratedTypeOrElementType(65 /* Destructuring */, type, undefinedType, /*errorNode*/ undefined) || errorType);
- }
- function getAssignedTypeOfBinaryExpression(node) {
- var isDestructuringDefaultAssignment = node.parent.kind === 192 /* ArrayLiteralExpression */ && isDestructuringAssignmentTarget(node.parent) ||
- node.parent.kind === 281 /* PropertyAssignment */ && isDestructuringAssignmentTarget(node.parent.parent);
- return isDestructuringDefaultAssignment ?
- getTypeWithDefault(getAssignedType(node), node.right) :
- getTypeOfExpression(node.right);
- }
- function isDestructuringAssignmentTarget(parent) {
- return parent.parent.kind === 209 /* BinaryExpression */ && parent.parent.left === parent ||
- parent.parent.kind === 232 /* ForOfStatement */ && parent.parent.initializer === parent;
- }
- function getAssignedTypeOfArrayLiteralElement(node, element) {
- return getTypeOfDestructuredArrayElement(getAssignedType(node), node.elements.indexOf(element));
- }
- function getAssignedTypeOfSpreadExpression(node) {
- return getTypeOfDestructuredSpreadExpression(getAssignedType(node.parent));
- }
- function getAssignedTypeOfPropertyAssignment(node) {
- return getTypeOfDestructuredProperty(getAssignedType(node.parent), node.name);
- }
- function getAssignedTypeOfShorthandPropertyAssignment(node) {
- return getTypeWithDefault(getAssignedTypeOfPropertyAssignment(node), node.objectAssignmentInitializer);
- }
- function getAssignedType(node) {
- var parent = node.parent;
- switch (parent.kind) {
- case 231 /* ForInStatement */:
- return stringType;
- case 232 /* ForOfStatement */:
- return checkRightHandSideOfForOf(parent) || errorType;
- case 209 /* BinaryExpression */:
- return getAssignedTypeOfBinaryExpression(parent);
- case 203 /* DeleteExpression */:
- return undefinedType;
- case 192 /* ArrayLiteralExpression */:
- return getAssignedTypeOfArrayLiteralElement(parent, node);
- case 213 /* SpreadElement */:
- return getAssignedTypeOfSpreadExpression(parent);
- case 281 /* PropertyAssignment */:
- return getAssignedTypeOfPropertyAssignment(parent);
- case 282 /* ShorthandPropertyAssignment */:
- return getAssignedTypeOfShorthandPropertyAssignment(parent);
- }
- return errorType;
- }
- function getInitialTypeOfBindingElement(node) {
- var pattern = node.parent;
- var parentType = getInitialType(pattern.parent);
- var type = pattern.kind === 189 /* ObjectBindingPattern */ ?
- getTypeOfDestructuredProperty(parentType, node.propertyName || node.name) :
- !node.dotDotDotToken ?
- getTypeOfDestructuredArrayElement(parentType, pattern.elements.indexOf(node)) :
- getTypeOfDestructuredSpreadExpression(parentType);
- return getTypeWithDefault(type, node.initializer);
- }
- function getTypeOfInitializer(node) {
- // Return the cached type if one is available. If the type of the variable was inferred
- // from its initializer, we'll already have cached the type. Otherwise we compute it now
- // without caching such that transient types are reflected.
- var links = getNodeLinks(node);
- return links.resolvedType || getTypeOfExpression(node);
- }
- function getInitialTypeOfVariableDeclaration(node) {
- if (node.initializer) {
- return getTypeOfInitializer(node.initializer);
- }
- if (node.parent.parent.kind === 231 /* ForInStatement */) {
- return stringType;
- }
- if (node.parent.parent.kind === 232 /* ForOfStatement */) {
- return checkRightHandSideOfForOf(node.parent.parent) || errorType;
- }
- return errorType;
- }
- function getInitialType(node) {
- return node.kind === 242 /* VariableDeclaration */ ?
- getInitialTypeOfVariableDeclaration(node) :
- getInitialTypeOfBindingElement(node);
- }
- function isEmptyArrayAssignment(node) {
- return node.kind === 242 /* VariableDeclaration */ && node.initializer &&
- isEmptyArrayLiteral(node.initializer) ||
- node.kind !== 191 /* BindingElement */ && node.parent.kind === 209 /* BinaryExpression */ &&
- isEmptyArrayLiteral(node.parent.right);
- }
- function getReferenceCandidate(node) {
- switch (node.kind) {
- case 200 /* ParenthesizedExpression */:
- return getReferenceCandidate(node.expression);
- case 209 /* BinaryExpression */:
- switch (node.operatorToken.kind) {
- case 62 /* EqualsToken */:
- return getReferenceCandidate(node.left);
- case 27 /* CommaToken */:
- return getReferenceCandidate(node.right);
- }
- }
- return node;
- }
- function getReferenceRoot(node) {
- var parent = node.parent;
- return parent.kind === 200 /* ParenthesizedExpression */ ||
- parent.kind === 209 /* BinaryExpression */ && parent.operatorToken.kind === 62 /* EqualsToken */ && parent.left === node ||
- parent.kind === 209 /* BinaryExpression */ && parent.operatorToken.kind === 27 /* CommaToken */ && parent.right === node ?
- getReferenceRoot(parent) : node;
- }
- function getTypeOfSwitchClause(clause) {
- if (clause.kind === 277 /* CaseClause */) {
- return getRegularTypeOfLiteralType(getTypeOfExpression(clause.expression));
- }
- return neverType;
- }
- function getSwitchClauseTypes(switchStatement) {
- var links = getNodeLinks(switchStatement);
- if (!links.switchTypes) {
- links.switchTypes = [];
- for (var _i = 0, _a = switchStatement.caseBlock.clauses; _i < _a.length; _i++) {
- var clause = _a[_i];
- links.switchTypes.push(getTypeOfSwitchClause(clause));
- }
- }
- return links.switchTypes;
- }
- function getSwitchClauseTypeOfWitnesses(switchStatement, retainDefault) {
- var witnesses = [];
- for (var _i = 0, _a = switchStatement.caseBlock.clauses; _i < _a.length; _i++) {
- var clause = _a[_i];
- if (clause.kind === 277 /* CaseClause */) {
- if (ts.isStringLiteralLike(clause.expression)) {
- witnesses.push(clause.expression.text);
- continue;
- }
- return ts.emptyArray;
- }
- if (retainDefault)
- witnesses.push(/*explicitDefaultStatement*/ undefined);
- }
- return witnesses;
- }
- function eachTypeContainedIn(source, types) {
- return source.flags & 1048576 /* Union */ ? !ts.forEach(source.types, function (t) { return !ts.contains(types, t); }) : ts.contains(types, source);
- }
- function isTypeSubsetOf(source, target) {
- return source === target || target.flags & 1048576 /* Union */ && isTypeSubsetOfUnion(source, target);
- }
- function isTypeSubsetOfUnion(source, target) {
- if (source.flags & 1048576 /* Union */) {
- for (var _i = 0, _a = source.types; _i < _a.length; _i++) {
- var t = _a[_i];
- if (!containsType(target.types, t)) {
- return false;
- }
- }
- return true;
- }
- if (source.flags & 1024 /* EnumLiteral */ && getBaseTypeOfEnumLiteralType(source) === target) {
- return true;
- }
- return containsType(target.types, source);
- }
- function forEachType(type, f) {
- return type.flags & 1048576 /* Union */ ? ts.forEach(type.types, f) : f(type);
- }
- function everyType(type, f) {
- return type.flags & 1048576 /* Union */ ? ts.every(type.types, f) : f(type);
- }
- function filterType(type, f) {
- if (type.flags & 1048576 /* Union */) {
- var types = type.types;
- var filtered = ts.filter(types, f);
- return filtered === types ? type : getUnionTypeFromSortedList(filtered, type.objectFlags);
- }
- return type.flags & 131072 /* Never */ || f(type) ? type : neverType;
- }
- function countTypes(type) {
- return type.flags & 1048576 /* Union */ ? type.types.length : 1;
- }
- function mapType(type, mapper, noReductions) {
- if (type.flags & 131072 /* Never */) {
- return type;
- }
- if (!(type.flags & 1048576 /* Union */)) {
- return mapper(type);
- }
- var mappedTypes;
- for (var _i = 0, _a = type.types; _i < _a.length; _i++) {
- var t = _a[_i];
- var mapped = mapper(t);
- if (mapped) {
- if (!mappedTypes) {
- mappedTypes = [mapped];
- }
- else {
- mappedTypes.push(mapped);
- }
- }
- }
- return mappedTypes && getUnionType(mappedTypes, noReductions ? 0 /* None */ : 1 /* Literal */);
- }
- function extractTypesOfKind(type, kind) {
- return filterType(type, function (t) { return (t.flags & kind) !== 0; });
- }
- // Return a new type in which occurrences of the string and number primitive types in
- // typeWithPrimitives have been replaced with occurrences of string literals and numeric
- // literals in typeWithLiterals, respectively.
- function replacePrimitivesWithLiterals(typeWithPrimitives, typeWithLiterals) {
- if (isTypeSubsetOf(stringType, typeWithPrimitives) && maybeTypeOfKind(typeWithLiterals, 128 /* StringLiteral */) ||
- isTypeSubsetOf(numberType, typeWithPrimitives) && maybeTypeOfKind(typeWithLiterals, 256 /* NumberLiteral */) ||
- isTypeSubsetOf(bigintType, typeWithPrimitives) && maybeTypeOfKind(typeWithLiterals, 2048 /* BigIntLiteral */)) {
- return mapType(typeWithPrimitives, function (t) {
- return t.flags & 4 /* String */ ? extractTypesOfKind(typeWithLiterals, 4 /* String */ | 128 /* StringLiteral */) :
- t.flags & 8 /* Number */ ? extractTypesOfKind(typeWithLiterals, 8 /* Number */ | 256 /* NumberLiteral */) :
- t.flags & 64 /* BigInt */ ? extractTypesOfKind(typeWithLiterals, 64 /* BigInt */ | 2048 /* BigIntLiteral */) : t;
- });
- }
- return typeWithPrimitives;
- }
- function isIncomplete(flowType) {
- return flowType.flags === 0;
- }
- function getTypeFromFlowType(flowType) {
- return flowType.flags === 0 ? flowType.type : flowType;
- }
- function createFlowType(type, incomplete) {
- return incomplete ? { flags: 0, type: type } : type;
- }
- // An evolving array type tracks the element types that have so far been seen in an
- // 'x.push(value)' or 'x[n] = value' operation along the control flow graph. Evolving
- // array types are ultimately converted into manifest array types (using getFinalArrayType)
- // and never escape the getFlowTypeOfReference function.
- function createEvolvingArrayType(elementType) {
- var result = createObjectType(256 /* EvolvingArray */);
- result.elementType = elementType;
- return result;
- }
- function getEvolvingArrayType(elementType) {
- return evolvingArrayTypes[elementType.id] || (evolvingArrayTypes[elementType.id] = createEvolvingArrayType(elementType));
- }
- // When adding evolving array element types we do not perform subtype reduction. Instead,
- // we defer subtype reduction until the evolving array type is finalized into a manifest
- // array type.
- function addEvolvingArrayElementType(evolvingArrayType, node) {
- var elementType = getBaseTypeOfLiteralType(getContextFreeTypeOfExpression(node));
- return isTypeSubsetOf(elementType, evolvingArrayType.elementType) ? evolvingArrayType : getEvolvingArrayType(getUnionType([evolvingArrayType.elementType, elementType]));
- }
- function createFinalArrayType(elementType) {
- return elementType.flags & 131072 /* Never */ ?
- autoArrayType :
- createArrayType(elementType.flags & 1048576 /* Union */ ?
- getUnionType(elementType.types, 2 /* Subtype */) :
- elementType);
- }
- // We perform subtype reduction upon obtaining the final array type from an evolving array type.
- function getFinalArrayType(evolvingArrayType) {
- return evolvingArrayType.finalArrayType || (evolvingArrayType.finalArrayType = createFinalArrayType(evolvingArrayType.elementType));
- }
- function finalizeEvolvingArrayType(type) {
- return ts.getObjectFlags(type) & 256 /* EvolvingArray */ ? getFinalArrayType(type) : type;
- }
- function getElementTypeOfEvolvingArrayType(type) {
- return ts.getObjectFlags(type) & 256 /* EvolvingArray */ ? type.elementType : neverType;
- }
- function isEvolvingArrayTypeList(types) {
- var hasEvolvingArrayType = false;
- for (var _i = 0, types_16 = types; _i < types_16.length; _i++) {
- var t = types_16[_i];
- if (!(t.flags & 131072 /* Never */)) {
- if (!(ts.getObjectFlags(t) & 256 /* EvolvingArray */)) {
- return false;
- }
- hasEvolvingArrayType = true;
- }
- }
- return hasEvolvingArrayType;
- }
- // At flow control branch or loop junctions, if the type along every antecedent code path
- // is an evolving array type, we construct a combined evolving array type. Otherwise we
- // finalize all evolving array types.
- function getUnionOrEvolvingArrayType(types, subtypeReduction) {
- return isEvolvingArrayTypeList(types) ?
- getEvolvingArrayType(getUnionType(ts.map(types, getElementTypeOfEvolvingArrayType))) :
- getUnionType(ts.sameMap(types, finalizeEvolvingArrayType), subtypeReduction);
- }
- // Return true if the given node is 'x' in an 'x.length', x.push(value)', 'x.unshift(value)' or
- // 'x[n] = value' operation, where 'n' is an expression of type any, undefined, or a number-like type.
- function isEvolvingArrayOperationTarget(node) {
- var root = getReferenceRoot(node);
- var parent = root.parent;
- var isLengthPushOrUnshift = ts.isPropertyAccessExpression(parent) && (parent.name.escapedText === "length" ||
- parent.parent.kind === 196 /* CallExpression */
- && ts.isIdentifier(parent.name)
- && ts.isPushOrUnshiftIdentifier(parent.name));
- var isElementAssignment = parent.kind === 195 /* ElementAccessExpression */ &&
- parent.expression === root &&
- parent.parent.kind === 209 /* BinaryExpression */ &&
- parent.parent.operatorToken.kind === 62 /* EqualsToken */ &&
- parent.parent.left === parent &&
- !ts.isAssignmentTarget(parent.parent) &&
- isTypeAssignableToKind(getTypeOfExpression(parent.argumentExpression), 296 /* NumberLike */);
- return isLengthPushOrUnshift || isElementAssignment;
- }
- function isDeclarationWithExplicitTypeAnnotation(declaration) {
- return (declaration.kind === 242 /* VariableDeclaration */ || declaration.kind === 156 /* Parameter */ ||
- declaration.kind === 159 /* PropertyDeclaration */ || declaration.kind === 158 /* PropertySignature */) &&
- !!ts.getEffectiveTypeAnnotationNode(declaration);
- }
- function getExplicitTypeOfSymbol(symbol, diagnostic) {
- if (symbol.flags & (16 /* Function */ | 8192 /* Method */ | 32 /* Class */ | 512 /* ValueModule */)) {
- return getTypeOfSymbol(symbol);
- }
- if (symbol.flags & (3 /* Variable */ | 4 /* Property */)) {
- var declaration = symbol.valueDeclaration;
- if (declaration) {
- if (isDeclarationWithExplicitTypeAnnotation(declaration)) {
- return getTypeOfSymbol(symbol);
- }
- if (ts.isVariableDeclaration(declaration) && declaration.parent.parent.kind === 232 /* ForOfStatement */) {
- var statement = declaration.parent.parent;
- var expressionType = getTypeOfDottedName(statement.expression, /*diagnostic*/ undefined);
- if (expressionType) {
- var use = statement.awaitModifier ? 15 /* ForAwaitOf */ : 13 /* ForOf */;
- return checkIteratedTypeOrElementType(use, expressionType, undefinedType, /*errorNode*/ undefined);
- }
- }
- if (diagnostic) {
- ts.addRelatedInfo(diagnostic, ts.createDiagnosticForNode(declaration, ts.Diagnostics._0_needs_an_explicit_type_annotation, symbolToString(symbol)));
- }
- }
- }
- }
- // We require the dotted function name in an assertion expression to be comprised of identifiers
- // that reference function, method, class or value module symbols; or variable, property or
- // parameter symbols with declarations that have explicit type annotations. Such references are
- // resolvable with no possibility of triggering circularities in control flow analysis.
- function getTypeOfDottedName(node, diagnostic) {
- if (!(node.flags & 16777216 /* InWithStatement */)) {
- switch (node.kind) {
- case 75 /* Identifier */:
- var symbol = getExportSymbolOfValueSymbolIfExported(getResolvedSymbol(node));
- return getExplicitTypeOfSymbol(symbol.flags & 2097152 /* Alias */ ? resolveAlias(symbol) : symbol, diagnostic);
- case 104 /* ThisKeyword */:
- return getExplicitThisType(node);
- case 102 /* SuperKeyword */:
- return checkSuperExpression(node);
- case 194 /* PropertyAccessExpression */:
- var type = getTypeOfDottedName(node.expression, diagnostic);
- var prop = type && getPropertyOfType(type, node.name.escapedText);
- return prop && getExplicitTypeOfSymbol(prop, diagnostic);
- case 200 /* ParenthesizedExpression */:
- return getTypeOfDottedName(node.expression, diagnostic);
- }
- }
- }
- function getEffectsSignature(node) {
- var links = getNodeLinks(node);
- var signature = links.effectsSignature;
- if (signature === undefined) {
- // A call expression parented by an expression statement is a potential assertion. Other call
- // expressions are potential type predicate function calls. In order to avoid triggering
- // circularities in control flow analysis, we use getTypeOfDottedName when resolving the call
- // target expression of an assertion.
- var funcType = void 0;
- if (node.parent.kind === 226 /* ExpressionStatement */) {
- funcType = getTypeOfDottedName(node.expression, /*diagnostic*/ undefined);
- }
- else if (node.expression.kind !== 102 /* SuperKeyword */) {
- if (ts.isOptionalChain(node)) {
- funcType = checkNonNullType(getOptionalExpressionType(checkExpression(node.expression), node.expression), node.expression);
- }
- else {
- funcType = checkNonNullExpression(node.expression);
- }
- }
- var signatures = getSignaturesOfType(funcType && getApparentType(funcType) || unknownType, 0 /* Call */);
- var candidate = signatures.length === 1 && !signatures[0].typeParameters ? signatures[0] :
- ts.some(signatures, hasTypePredicateOrNeverReturnType) ? getResolvedSignature(node) :
- undefined;
- signature = links.effectsSignature = candidate && hasTypePredicateOrNeverReturnType(candidate) ? candidate : unknownSignature;
- }
- return signature === unknownSignature ? undefined : signature;
- }
- function hasTypePredicateOrNeverReturnType(signature) {
- return !!(getTypePredicateOfSignature(signature) ||
- signature.declaration && (getReturnTypeFromAnnotation(signature.declaration) || unknownType).flags & 131072 /* Never */);
- }
- function getTypePredicateArgument(predicate, callExpression) {
- if (predicate.kind === 1 /* Identifier */ || predicate.kind === 3 /* AssertsIdentifier */) {
- return callExpression.arguments[predicate.parameterIndex];
- }
- var invokedExpression = ts.skipParentheses(callExpression.expression);
- return ts.isAccessExpression(invokedExpression) ? ts.skipParentheses(invokedExpression.expression) : undefined;
- }
- function reportFlowControlError(node) {
- var block = ts.findAncestor(node, ts.isFunctionOrModuleBlock);
- var sourceFile = ts.getSourceFileOfNode(node);
- var span = ts.getSpanOfTokenAtPosition(sourceFile, block.statements.pos);
- diagnostics.add(ts.createFileDiagnostic(sourceFile, span.start, span.length, ts.Diagnostics.The_containing_function_or_module_body_is_too_large_for_control_flow_analysis));
- }
- function isReachableFlowNode(flow) {
- var result = isReachableFlowNodeWorker(flow, /*noCacheCheck*/ false);
- lastFlowNode = flow;
- lastFlowNodeReachable = result;
- return result;
- }
- function isFalseExpression(expr) {
- var node = ts.skipParentheses(expr);
- return node.kind === 91 /* FalseKeyword */ || node.kind === 209 /* BinaryExpression */ && (node.operatorToken.kind === 55 /* AmpersandAmpersandToken */ && (isFalseExpression(node.left) || isFalseExpression(node.right)) ||
- node.operatorToken.kind === 56 /* BarBarToken */ && isFalseExpression(node.left) && isFalseExpression(node.right));
- }
- function isReachableFlowNodeWorker(flow, noCacheCheck) {
- while (true) {
- if (flow === lastFlowNode) {
- return lastFlowNodeReachable;
- }
- var flags = flow.flags;
- if (flags & 4096 /* Shared */) {
- if (!noCacheCheck) {
- var id = getFlowNodeId(flow);
- var reachable = flowNodeReachable[id];
- return reachable !== undefined ? reachable : (flowNodeReachable[id] = isReachableFlowNodeWorker(flow, /*noCacheCheck*/ true));
- }
- noCacheCheck = false;
- }
- if (flags & (16 /* Assignment */ | 96 /* Condition */ | 256 /* ArrayMutation */)) {
- flow = flow.antecedent;
- }
- else if (flags & 512 /* Call */) {
- var signature = getEffectsSignature(flow.node);
- if (signature) {
- var predicate = getTypePredicateOfSignature(signature);
- if (predicate && predicate.kind === 3 /* AssertsIdentifier */) {
- var predicateArgument = flow.node.arguments[predicate.parameterIndex];
- if (predicateArgument && isFalseExpression(predicateArgument)) {
- return false;
- }
- }
- if (getReturnTypeOfSignature(signature).flags & 131072 /* Never */) {
- return false;
- }
- }
- flow = flow.antecedent;
- }
- else if (flags & 4 /* BranchLabel */) {
- // A branching point is reachable if any branch is reachable.
- return ts.some(flow.antecedents, function (f) { return isReachableFlowNodeWorker(f, /*noCacheCheck*/ false); });
- }
- else if (flags & 8 /* LoopLabel */) {
- // A loop is reachable if the control flow path that leads to the top is reachable.
- flow = flow.antecedents[0];
- }
- else if (flags & 128 /* SwitchClause */) {
- // The control flow path representing an unmatched value in a switch statement with
- // no default clause is unreachable if the switch statement is exhaustive.
- if (flow.clauseStart === flow.clauseEnd && isExhaustiveSwitchStatement(flow.switchStatement)) {
- return false;
- }
- flow = flow.antecedent;
- }
- else if (flags & 1024 /* ReduceLabel */) {
- // Cache is unreliable once we start adjusting labels
- lastFlowNode = undefined;
- var target = flow.target;
- var saveAntecedents = target.antecedents;
- target.antecedents = flow.antecedents;
- var result = isReachableFlowNodeWorker(flow.antecedent, /*noCacheCheck*/ false);
- target.antecedents = saveAntecedents;
- return result;
- }
- else {
- return !(flags & 1 /* Unreachable */);
- }
- }
- }
- function getFlowTypeOfReference(reference, declaredType, initialType, flowContainer, couldBeUninitialized) {
- if (initialType === void 0) { initialType = declaredType; }
- var key;
- var keySet = false;
- var flowDepth = 0;
- if (flowAnalysisDisabled) {
- return errorType;
- }
- if (!reference.flowNode || !couldBeUninitialized && !(declaredType.flags & 133970943 /* Narrowable */)) {
- return declaredType;
- }
- flowInvocationCount++;
- var sharedFlowStart = sharedFlowCount;
- var evolvedType = getTypeFromFlowType(getTypeAtFlowNode(reference.flowNode));
- sharedFlowCount = sharedFlowStart;
- // When the reference is 'x' in an 'x.length', 'x.push(value)', 'x.unshift(value)' or x[n] = value' operation,
- // we give type 'any[]' to 'x' instead of using the type determined by control flow analysis such that operations
- // on empty arrays are possible without implicit any errors and new element types can be inferred without
- // type mismatch errors.
- var resultType = ts.getObjectFlags(evolvedType) & 256 /* EvolvingArray */ && isEvolvingArrayOperationTarget(reference) ? autoArrayType : finalizeEvolvingArrayType(evolvedType);
- if (resultType === unreachableNeverType || reference.parent && reference.parent.kind === 218 /* NonNullExpression */ && getTypeWithFacts(resultType, 2097152 /* NEUndefinedOrNull */).flags & 131072 /* Never */) {
- return declaredType;
- }
- return resultType;
- function getOrSetCacheKey() {
- if (keySet) {
- return key;
- }
- keySet = true;
- return key = getFlowCacheKey(reference, declaredType, initialType, flowContainer);
- }
- function getTypeAtFlowNode(flow) {
- if (flowDepth === 2000) {
- // We have made 2000 recursive invocations. To avoid overflowing the call stack we report an error
- // and disable further control flow analysis in the containing function or module body.
- flowAnalysisDisabled = true;
- reportFlowControlError(reference);
- return errorType;
- }
- flowDepth++;
- while (true) {
- var flags = flow.flags;
- if (flags & 4096 /* Shared */) {
- // We cache results of flow type resolution for shared nodes that were previously visited in
- // the same getFlowTypeOfReference invocation. A node is considered shared when it is the
- // antecedent of more than one node.
- for (var i = sharedFlowStart; i < sharedFlowCount; i++) {
- if (sharedFlowNodes[i] === flow) {
- flowDepth--;
- return sharedFlowTypes[i];
- }
- }
- }
- var type = void 0;
- if (flags & 16 /* Assignment */) {
- type = getTypeAtFlowAssignment(flow);
- if (!type) {
- flow = flow.antecedent;
- continue;
- }
- }
- else if (flags & 512 /* Call */) {
- type = getTypeAtFlowCall(flow);
- if (!type) {
- flow = flow.antecedent;
- continue;
- }
- }
- else if (flags & 96 /* Condition */) {
- type = getTypeAtFlowCondition(flow);
- }
- else if (flags & 128 /* SwitchClause */) {
- type = getTypeAtSwitchClause(flow);
- }
- else if (flags & 12 /* Label */) {
- if (flow.antecedents.length === 1) {
- flow = flow.antecedents[0];
- continue;
- }
- type = flags & 4 /* BranchLabel */ ?
- getTypeAtFlowBranchLabel(flow) :
- getTypeAtFlowLoopLabel(flow);
- }
- else if (flags & 256 /* ArrayMutation */) {
- type = getTypeAtFlowArrayMutation(flow);
- if (!type) {
- flow = flow.antecedent;
- continue;
- }
- }
- else if (flags & 1024 /* ReduceLabel */) {
- var target = flow.target;
- var saveAntecedents = target.antecedents;
- target.antecedents = flow.antecedents;
- type = getTypeAtFlowNode(flow.antecedent);
- target.antecedents = saveAntecedents;
- }
- else if (flags & 2 /* Start */) {
- // Check if we should continue with the control flow of the containing function.
- var container = flow.node;
- if (container && container !== flowContainer &&
- reference.kind !== 194 /* PropertyAccessExpression */ &&
- reference.kind !== 195 /* ElementAccessExpression */ &&
- reference.kind !== 104 /* ThisKeyword */) {
- flow = container.flowNode;
- continue;
- }
- // At the top of the flow we have the initial type.
- type = initialType;
- }
- else {
- // Unreachable code errors are reported in the binding phase. Here we
- // simply return the non-auto declared type to reduce follow-on errors.
- type = convertAutoToAny(declaredType);
- }
- if (flags & 4096 /* Shared */) {
- // Record visited node and the associated type in the cache.
- sharedFlowNodes[sharedFlowCount] = flow;
- sharedFlowTypes[sharedFlowCount] = type;
- sharedFlowCount++;
- }
- flowDepth--;
- return type;
- }
- }
- function getInitialOrAssignedType(flow) {
- var node = flow.node;
- return getConstraintForLocation(node.kind === 242 /* VariableDeclaration */ || node.kind === 191 /* BindingElement */ ?
- getInitialType(node) :
- getAssignedType(node), reference);
- }
- function getTypeAtFlowAssignment(flow) {
- var node = flow.node;
- // Assignments only narrow the computed type if the declared type is a union type. Thus, we
- // only need to evaluate the assigned type if the declared type is a union type.
- if (isMatchingReference(reference, node)) {
- if (!isReachableFlowNode(flow)) {
- return unreachableNeverType;
- }
- if (ts.getAssignmentTargetKind(node) === 2 /* Compound */) {
- var flowType = getTypeAtFlowNode(flow.antecedent);
- return createFlowType(getBaseTypeOfLiteralType(getTypeFromFlowType(flowType)), isIncomplete(flowType));
- }
- if (declaredType === autoType || declaredType === autoArrayType) {
- if (isEmptyArrayAssignment(node)) {
- return getEvolvingArrayType(neverType);
- }
- var assignedType = getBaseTypeOfLiteralType(getInitialOrAssignedType(flow));
- return isTypeAssignableTo(assignedType, declaredType) ? assignedType : anyArrayType;
- }
- if (declaredType.flags & 1048576 /* Union */) {
- return getAssignmentReducedType(declaredType, getInitialOrAssignedType(flow));
- }
- return declaredType;
- }
- // We didn't have a direct match. However, if the reference is a dotted name, this
- // may be an assignment to a left hand part of the reference. For example, for a
- // reference 'x.y.z', we may be at an assignment to 'x.y' or 'x'. In that case,
- // return the declared type.
- if (containsMatchingReference(reference, node)) {
- if (!isReachableFlowNode(flow)) {
- return unreachableNeverType;
- }
- // A matching dotted name might also be an expando property on a function *expression*,
- // in which case we continue control flow analysis back to the function's declaration
- if (ts.isVariableDeclaration(node) && (ts.isInJSFile(node) || ts.isVarConst(node))) {
- var init = ts.getDeclaredExpandoInitializer(node);
- if (init && (init.kind === 201 /* FunctionExpression */ || init.kind === 202 /* ArrowFunction */)) {
- return getTypeAtFlowNode(flow.antecedent);
- }
- }
- return declaredType;
- }
- // for (const _ in ref) acts as a nonnull on ref
- if (ts.isVariableDeclaration(node) && node.parent.parent.kind === 231 /* ForInStatement */ && isMatchingReference(reference, node.parent.parent.expression)) {
- return getNonNullableTypeIfNeeded(getTypeFromFlowType(getTypeAtFlowNode(flow.antecedent)));
- }
- // Assignment doesn't affect reference
- return undefined;
- }
- function narrowTypeByAssertion(type, expr) {
- var node = ts.skipParentheses(expr);
- if (node.kind === 91 /* FalseKeyword */) {
- return unreachableNeverType;
- }
- if (node.kind === 209 /* BinaryExpression */) {
- if (node.operatorToken.kind === 55 /* AmpersandAmpersandToken */) {
- return narrowTypeByAssertion(narrowTypeByAssertion(type, node.left), node.right);
- }
- if (node.operatorToken.kind === 56 /* BarBarToken */) {
- return getUnionType([narrowTypeByAssertion(type, node.left), narrowTypeByAssertion(type, node.right)]);
- }
- }
- return narrowType(type, node, /*assumeTrue*/ true);
- }
- function getTypeAtFlowCall(flow) {
- var signature = getEffectsSignature(flow.node);
- if (signature) {
- var predicate = getTypePredicateOfSignature(signature);
- if (predicate && (predicate.kind === 2 /* AssertsThis */ || predicate.kind === 3 /* AssertsIdentifier */)) {
- var flowType = getTypeAtFlowNode(flow.antecedent);
- var type = finalizeEvolvingArrayType(getTypeFromFlowType(flowType));
- var narrowedType = predicate.type ? narrowTypeByTypePredicate(type, predicate, flow.node, /*assumeTrue*/ true) :
- predicate.kind === 3 /* AssertsIdentifier */ && predicate.parameterIndex >= 0 && predicate.parameterIndex < flow.node.arguments.length ? narrowTypeByAssertion(type, flow.node.arguments[predicate.parameterIndex]) :
- type;
- return narrowedType === type ? flowType : createFlowType(narrowedType, isIncomplete(flowType));
- }
- if (getReturnTypeOfSignature(signature).flags & 131072 /* Never */) {
- return unreachableNeverType;
- }
- }
- return undefined;
- }
- function getTypeAtFlowArrayMutation(flow) {
- if (declaredType === autoType || declaredType === autoArrayType) {
- var node = flow.node;
- var expr = node.kind === 196 /* CallExpression */ ?
- node.expression.expression :
- node.left.expression;
- if (isMatchingReference(reference, getReferenceCandidate(expr))) {
- var flowType = getTypeAtFlowNode(flow.antecedent);
- var type = getTypeFromFlowType(flowType);
- if (ts.getObjectFlags(type) & 256 /* EvolvingArray */) {
- var evolvedType_1 = type;
- if (node.kind === 196 /* CallExpression */) {
- for (var _i = 0, _a = node.arguments; _i < _a.length; _i++) {
- var arg = _a[_i];
- evolvedType_1 = addEvolvingArrayElementType(evolvedType_1, arg);
- }
- }
- else {
- // We must get the context free expression type so as to not recur in an uncached fashion on the LHS (which causes exponential blowup in compile time)
- var indexType = getContextFreeTypeOfExpression(node.left.argumentExpression);
- if (isTypeAssignableToKind(indexType, 296 /* NumberLike */)) {
- evolvedType_1 = addEvolvingArrayElementType(evolvedType_1, node.right);
- }
- }
- return evolvedType_1 === type ? flowType : createFlowType(evolvedType_1, isIncomplete(flowType));
- }
- return flowType;
- }
- }
- return undefined;
- }
- function getTypeAtFlowCondition(flow) {
- var flowType = getTypeAtFlowNode(flow.antecedent);
- var type = getTypeFromFlowType(flowType);
- if (type.flags & 131072 /* Never */) {
- return flowType;
- }
- // If we have an antecedent type (meaning we're reachable in some way), we first
- // attempt to narrow the antecedent type. If that produces the never type, and if
- // the antecedent type is incomplete (i.e. a transient type in a loop), then we
- // take the type guard as an indication that control *could* reach here once we
- // have the complete type. We proceed by switching to the silent never type which
- // doesn't report errors when operators are applied to it. Note that this is the
- // *only* place a silent never type is ever generated.
- var assumeTrue = (flow.flags & 32 /* TrueCondition */) !== 0;
- var nonEvolvingType = finalizeEvolvingArrayType(type);
- var narrowedType = narrowType(nonEvolvingType, flow.node, assumeTrue);
- if (narrowedType === nonEvolvingType) {
- return flowType;
- }
- var incomplete = isIncomplete(flowType);
- var resultType = incomplete && narrowedType.flags & 131072 /* Never */ ? silentNeverType : narrowedType;
- return createFlowType(resultType, incomplete);
- }
- function getTypeAtSwitchClause(flow) {
- var expr = flow.switchStatement.expression;
- var flowType = getTypeAtFlowNode(flow.antecedent);
- var type = getTypeFromFlowType(flowType);
- if (isMatchingReference(reference, expr)) {
- type = narrowTypeBySwitchOnDiscriminant(type, flow.switchStatement, flow.clauseStart, flow.clauseEnd);
- }
- else if (expr.kind === 204 /* TypeOfExpression */ && isMatchingReference(reference, expr.expression)) {
- type = narrowBySwitchOnTypeOf(type, flow.switchStatement, flow.clauseStart, flow.clauseEnd);
- }
- else {
- if (strictNullChecks) {
- if (optionalChainContainsReference(expr, reference)) {
- type = narrowTypeBySwitchOptionalChainContainment(type, flow.switchStatement, flow.clauseStart, flow.clauseEnd, function (t) { return !(t.flags & (32768 /* Undefined */ | 131072 /* Never */)); });
- }
- else if (expr.kind === 204 /* TypeOfExpression */ && optionalChainContainsReference(expr.expression, reference)) {
- type = narrowTypeBySwitchOptionalChainContainment(type, flow.switchStatement, flow.clauseStart, flow.clauseEnd, function (t) { return !(t.flags & 131072 /* Never */ || t.flags & 128 /* StringLiteral */ && t.value === "undefined"); });
- }
- }
- if (isMatchingReferenceDiscriminant(expr, type)) {
- type = narrowTypeByDiscriminant(type, expr, function (t) { return narrowTypeBySwitchOnDiscriminant(t, flow.switchStatement, flow.clauseStart, flow.clauseEnd); });
- }
- }
- return createFlowType(type, isIncomplete(flowType));
- }
- function getTypeAtFlowBranchLabel(flow) {
- var antecedentTypes = [];
- var subtypeReduction = false;
- var seenIncomplete = false;
- var bypassFlow;
- for (var _i = 0, _a = flow.antecedents; _i < _a.length; _i++) {
- var antecedent = _a[_i];
- if (!bypassFlow && antecedent.flags & 128 /* SwitchClause */ && antecedent.clauseStart === antecedent.clauseEnd) {
- // The antecedent is the bypass branch of a potentially exhaustive switch statement.
- bypassFlow = antecedent;
- continue;
- }
- var flowType = getTypeAtFlowNode(antecedent);
- var type = getTypeFromFlowType(flowType);
- // If the type at a particular antecedent path is the declared type and the
- // reference is known to always be assigned (i.e. when declared and initial types
- // are the same), there is no reason to process more antecedents since the only
- // possible outcome is subtypes that will be removed in the final union type anyway.
- if (type === declaredType && declaredType === initialType) {
- return type;
- }
- ts.pushIfUnique(antecedentTypes, type);
- // If an antecedent type is not a subset of the declared type, we need to perform
- // subtype reduction. This happens when a "foreign" type is injected into the control
- // flow using the instanceof operator or a user defined type predicate.
- if (!isTypeSubsetOf(type, declaredType)) {
- subtypeReduction = true;
- }
- if (isIncomplete(flowType)) {
- seenIncomplete = true;
- }
- }
- if (bypassFlow) {
- var flowType = getTypeAtFlowNode(bypassFlow);
- var type = getTypeFromFlowType(flowType);
- // If the bypass flow contributes a type we haven't seen yet and the switch statement
- // isn't exhaustive, process the bypass flow type. Since exhaustiveness checks increase
- // the risk of circularities, we only want to perform them when they make a difference.
- if (!ts.contains(antecedentTypes, type) && !isExhaustiveSwitchStatement(bypassFlow.switchStatement)) {
- if (type === declaredType && declaredType === initialType) {
- return type;
- }
- antecedentTypes.push(type);
- if (!isTypeSubsetOf(type, declaredType)) {
- subtypeReduction = true;
- }
- if (isIncomplete(flowType)) {
- seenIncomplete = true;
- }
- }
- }
- return createFlowType(getUnionOrEvolvingArrayType(antecedentTypes, subtypeReduction ? 2 /* Subtype */ : 1 /* Literal */), seenIncomplete);
- }
- function getTypeAtFlowLoopLabel(flow) {
- // If we have previously computed the control flow type for the reference at
- // this flow loop junction, return the cached type.
- var id = getFlowNodeId(flow);
- var cache = flowLoopCaches[id] || (flowLoopCaches[id] = ts.createMap());
- var key = getOrSetCacheKey();
- if (!key) {
- // No cache key is generated when binding patterns are in unnarrowable situations
- return declaredType;
- }
- var cached = cache.get(key);
- if (cached) {
- return cached;
- }
- // If this flow loop junction and reference are already being processed, return
- // the union of the types computed for each branch so far, marked as incomplete.
- // It is possible to see an empty array in cases where loops are nested and the
- // back edge of the outer loop reaches an inner loop that is already being analyzed.
- // In such cases we restart the analysis of the inner loop, which will then see
- // a non-empty in-process array for the outer loop and eventually terminate because
- // the first antecedent of a loop junction is always the non-looping control flow
- // path that leads to the top.
- for (var i = flowLoopStart; i < flowLoopCount; i++) {
- if (flowLoopNodes[i] === flow && flowLoopKeys[i] === key && flowLoopTypes[i].length) {
- return createFlowType(getUnionOrEvolvingArrayType(flowLoopTypes[i], 1 /* Literal */), /*incomplete*/ true);
- }
- }
- // Add the flow loop junction and reference to the in-process stack and analyze
- // each antecedent code path.
- var antecedentTypes = [];
- var subtypeReduction = false;
- var firstAntecedentType;
- for (var _i = 0, _a = flow.antecedents; _i < _a.length; _i++) {
- var antecedent = _a[_i];
- var flowType = void 0;
- if (!firstAntecedentType) {
- // The first antecedent of a loop junction is always the non-looping control
- // flow path that leads to the top.
- flowType = firstAntecedentType = getTypeAtFlowNode(antecedent);
- }
- else {
- // All but the first antecedent are the looping control flow paths that lead
- // back to the loop junction. We track these on the flow loop stack.
- flowLoopNodes[flowLoopCount] = flow;
- flowLoopKeys[flowLoopCount] = key;
- flowLoopTypes[flowLoopCount] = antecedentTypes;
- flowLoopCount++;
- var saveFlowTypeCache = flowTypeCache;
- flowTypeCache = undefined;
- flowType = getTypeAtFlowNode(antecedent);
- flowTypeCache = saveFlowTypeCache;
- flowLoopCount--;
- // If we see a value appear in the cache it is a sign that control flow analysis
- // was restarted and completed by checkExpressionCached. We can simply pick up
- // the resulting type and bail out.
- var cached_1 = cache.get(key);
- if (cached_1) {
- return cached_1;
- }
- }
- var type = getTypeFromFlowType(flowType);
- ts.pushIfUnique(antecedentTypes, type);
- // If an antecedent type is not a subset of the declared type, we need to perform
- // subtype reduction. This happens when a "foreign" type is injected into the control
- // flow using the instanceof operator or a user defined type predicate.
- if (!isTypeSubsetOf(type, declaredType)) {
- subtypeReduction = true;
- }
- // If the type at a particular antecedent path is the declared type there is no
- // reason to process more antecedents since the only possible outcome is subtypes
- // that will be removed in the final union type anyway.
- if (type === declaredType) {
- break;
- }
- }
- // The result is incomplete if the first antecedent (the non-looping control flow path)
- // is incomplete.
- var result = getUnionOrEvolvingArrayType(antecedentTypes, subtypeReduction ? 2 /* Subtype */ : 1 /* Literal */);
- if (isIncomplete(firstAntecedentType)) {
- return createFlowType(result, /*incomplete*/ true);
- }
- cache.set(key, result);
- return result;
- }
- function isMatchingReferenceDiscriminant(expr, computedType) {
- if (!(computedType.flags & 1048576 /* Union */) || !ts.isAccessExpression(expr)) {
- return false;
- }
- var name = getAccessedPropertyName(expr);
- if (name === undefined) {
- return false;
- }
- return isMatchingReference(reference, expr.expression) && isDiscriminantProperty(computedType, name);
- }
- function narrowTypeByDiscriminant(type, access, narrowType) {
- var propName = getAccessedPropertyName(access);
- if (propName === undefined) {
- return type;
- }
- var propType = getTypeOfPropertyOfType(type, propName);
- if (!propType) {
- return type;
- }
- var narrowedPropType = narrowType(propType);
- return filterType(type, function (t) {
- var discriminantType = getTypeOfPropertyOrIndexSignature(t, propName);
- return !(discriminantType.flags & 131072 /* Never */) && isTypeComparableTo(discriminantType, narrowedPropType);
- });
- }
- function narrowTypeByTruthiness(type, expr, assumeTrue) {
- if (isMatchingReference(reference, expr)) {
- return getTypeWithFacts(type, assumeTrue ? 4194304 /* Truthy */ : 8388608 /* Falsy */);
- }
- if (strictNullChecks && assumeTrue && optionalChainContainsReference(expr, reference)) {
- type = getTypeWithFacts(type, 2097152 /* NEUndefinedOrNull */);
- }
- if (isMatchingReferenceDiscriminant(expr, declaredType)) {
- return narrowTypeByDiscriminant(type, expr, function (t) { return getTypeWithFacts(t, assumeTrue ? 4194304 /* Truthy */ : 8388608 /* Falsy */); });
- }
- return type;
- }
- function isTypePresencePossible(type, propName, assumeTrue) {
- if (getIndexInfoOfType(type, 0 /* String */)) {
- return true;
- }
- var prop = getPropertyOfType(type, propName);
- if (prop) {
- return prop.flags & 16777216 /* Optional */ ? true : assumeTrue;
- }
- return !assumeTrue;
- }
- function narrowByInKeyword(type, literal, assumeTrue) {
- if (type.flags & (1048576 /* Union */ | 524288 /* Object */) || isThisTypeParameter(type)) {
- var propName_1 = ts.escapeLeadingUnderscores(literal.text);
- return filterType(type, function (t) { return isTypePresencePossible(t, propName_1, assumeTrue); });
- }
- return type;
- }
- function narrowTypeByBinaryExpression(type, expr, assumeTrue) {
- switch (expr.operatorToken.kind) {
- case 62 /* EqualsToken */:
- return narrowTypeByTruthiness(narrowType(type, expr.right, assumeTrue), expr.left, assumeTrue);
- case 34 /* EqualsEqualsToken */:
- case 35 /* ExclamationEqualsToken */:
- case 36 /* EqualsEqualsEqualsToken */:
- case 37 /* ExclamationEqualsEqualsToken */:
- var operator_1 = expr.operatorToken.kind;
- var left_1 = getReferenceCandidate(expr.left);
- var right_1 = getReferenceCandidate(expr.right);
- if (left_1.kind === 204 /* TypeOfExpression */ && ts.isStringLiteralLike(right_1)) {
- return narrowTypeByTypeof(type, left_1, operator_1, right_1, assumeTrue);
- }
- if (right_1.kind === 204 /* TypeOfExpression */ && ts.isStringLiteralLike(left_1)) {
- return narrowTypeByTypeof(type, right_1, operator_1, left_1, assumeTrue);
- }
- if (isMatchingReference(reference, left_1)) {
- return narrowTypeByEquality(type, operator_1, right_1, assumeTrue);
- }
- if (isMatchingReference(reference, right_1)) {
- return narrowTypeByEquality(type, operator_1, left_1, assumeTrue);
- }
- if (strictNullChecks) {
- if (optionalChainContainsReference(left_1, reference)) {
- type = narrowTypeByOptionalChainContainment(type, operator_1, right_1, assumeTrue);
- }
- else if (optionalChainContainsReference(right_1, reference)) {
- type = narrowTypeByOptionalChainContainment(type, operator_1, left_1, assumeTrue);
- }
- }
- if (isMatchingReferenceDiscriminant(left_1, declaredType)) {
- return narrowTypeByDiscriminant(type, left_1, function (t) { return narrowTypeByEquality(t, operator_1, right_1, assumeTrue); });
- }
- if (isMatchingReferenceDiscriminant(right_1, declaredType)) {
- return narrowTypeByDiscriminant(type, right_1, function (t) { return narrowTypeByEquality(t, operator_1, left_1, assumeTrue); });
- }
- if (isMatchingConstructorReference(left_1)) {
- return narrowTypeByConstructor(type, operator_1, right_1, assumeTrue);
- }
- if (isMatchingConstructorReference(right_1)) {
- return narrowTypeByConstructor(type, operator_1, left_1, assumeTrue);
- }
- break;
- case 98 /* InstanceOfKeyword */:
- return narrowTypeByInstanceof(type, expr, assumeTrue);
- case 97 /* InKeyword */:
- var target = getReferenceCandidate(expr.right);
- if (ts.isStringLiteralLike(expr.left) && isMatchingReference(reference, target)) {
- return narrowByInKeyword(type, expr.left, assumeTrue);
- }
- break;
- case 27 /* CommaToken */:
- return narrowType(type, expr.right, assumeTrue);
- }
- return type;
- }
- function narrowTypeByOptionalChainContainment(type, operator, value, assumeTrue) {
- // We are in a branch of obj?.foo === value (or any one of the other equality operators). We narrow obj as follows:
- // When operator is === and type of value excludes undefined, null and undefined is removed from type of obj in true branch.
- // When operator is !== and type of value excludes undefined, null and undefined is removed from type of obj in false branch.
- // When operator is == and type of value excludes null and undefined, null and undefined is removed from type of obj in true branch.
- // When operator is != and type of value excludes null and undefined, null and undefined is removed from type of obj in false branch.
- // When operator is === and type of value is undefined, null and undefined is removed from type of obj in false branch.
- // When operator is !== and type of value is undefined, null and undefined is removed from type of obj in true branch.
- // When operator is == and type of value is null or undefined, null and undefined is removed from type of obj in false branch.
- // When operator is != and type of value is null or undefined, null and undefined is removed from type of obj in true branch.
- var equalsOperator = operator === 34 /* EqualsEqualsToken */ || operator === 36 /* EqualsEqualsEqualsToken */;
- var nullableFlags = operator === 34 /* EqualsEqualsToken */ || operator === 35 /* ExclamationEqualsToken */ ? 98304 /* Nullable */ : 32768 /* Undefined */;
- var valueType = getTypeOfExpression(value);
- // Note that we include any and unknown in the exclusion test because their domain includes null and undefined.
- var removeNullable = equalsOperator !== assumeTrue && everyType(valueType, function (t) { return !!(t.flags & nullableFlags); }) ||
- equalsOperator === assumeTrue && everyType(valueType, function (t) { return !(t.flags & (3 /* AnyOrUnknown */ | nullableFlags)); });
- return removeNullable ? getTypeWithFacts(type, 2097152 /* NEUndefinedOrNull */) : type;
- }
- function narrowTypeByEquality(type, operator, value, assumeTrue) {
- if (type.flags & 1 /* Any */) {
- return type;
- }
- if (operator === 35 /* ExclamationEqualsToken */ || operator === 37 /* ExclamationEqualsEqualsToken */) {
- assumeTrue = !assumeTrue;
- }
- var valueType = getTypeOfExpression(value);
- if ((type.flags & 2 /* Unknown */) && assumeTrue && (operator === 36 /* EqualsEqualsEqualsToken */ || operator === 37 /* ExclamationEqualsEqualsToken */)) {
- if (valueType.flags & (131068 /* Primitive */ | 67108864 /* NonPrimitive */)) {
- return valueType;
- }
- if (valueType.flags & 524288 /* Object */) {
- return nonPrimitiveType;
- }
- return type;
- }
- if (valueType.flags & 98304 /* Nullable */) {
- if (!strictNullChecks) {
- return type;
- }
- var doubleEquals = operator === 34 /* EqualsEqualsToken */ || operator === 35 /* ExclamationEqualsToken */;
- var facts = doubleEquals ?
- assumeTrue ? 262144 /* EQUndefinedOrNull */ : 2097152 /* NEUndefinedOrNull */ :
- valueType.flags & 65536 /* Null */ ?
- assumeTrue ? 131072 /* EQNull */ : 1048576 /* NENull */ :
- assumeTrue ? 65536 /* EQUndefined */ : 524288 /* NEUndefined */;
- return getTypeWithFacts(type, facts);
- }
- if (type.flags & 67637251 /* NotUnionOrUnit */) {
- return type;
- }
- if (assumeTrue) {
- var filterFn = operator === 34 /* EqualsEqualsToken */ ?
- (function (t) { return areTypesComparable(t, valueType) || isCoercibleUnderDoubleEquals(t, valueType); }) :
- function (t) { return areTypesComparable(t, valueType); };
- var narrowedType = filterType(type, filterFn);
- return narrowedType.flags & 131072 /* Never */ ? type : replacePrimitivesWithLiterals(narrowedType, valueType);
- }
- if (isUnitType(valueType)) {
- var regularType_1 = getRegularTypeOfLiteralType(valueType);
- return filterType(type, function (t) { return isUnitType(t) ? !areTypesComparable(t, valueType) : getRegularTypeOfLiteralType(t) !== regularType_1; });
- }
- return type;
- }
- function narrowTypeByTypeof(type, typeOfExpr, operator, literal, assumeTrue) {
- // We have '==', '!=', '===', or !==' operator with 'typeof xxx' and string literal operands
- if (operator === 35 /* ExclamationEqualsToken */ || operator === 37 /* ExclamationEqualsEqualsToken */) {
- assumeTrue = !assumeTrue;
- }
- var target = getReferenceCandidate(typeOfExpr.expression);
- if (!isMatchingReference(reference, target)) {
- if (strictNullChecks && optionalChainContainsReference(target, reference) && assumeTrue === (literal.text !== "undefined")) {
- return getTypeWithFacts(type, 2097152 /* NEUndefinedOrNull */);
- }
- return type;
- }
- if (type.flags & 1 /* Any */ && literal.text === "function") {
- return type;
- }
- if (assumeTrue && type.flags & 2 /* Unknown */ && literal.text === "object") {
- // The pattern x && typeof x === 'object', where x is of type unknown, narrows x to type object. We don't
- // need to check for the reverse typeof x === 'object' && x since that already narrows correctly.
- if (typeOfExpr.parent.parent.kind === 209 /* BinaryExpression */) {
- var expr = typeOfExpr.parent.parent;
- if (expr.operatorToken.kind === 55 /* AmpersandAmpersandToken */ && expr.right === typeOfExpr.parent && containsTruthyCheck(reference, expr.left)) {
- return nonPrimitiveType;
- }
- }
- return getUnionType([nonPrimitiveType, nullType]);
- }
- var facts = assumeTrue ?
- typeofEQFacts.get(literal.text) || 128 /* TypeofEQHostObject */ :
- typeofNEFacts.get(literal.text) || 32768 /* TypeofNEHostObject */;
- return getTypeWithFacts(assumeTrue ? mapType(type, narrowTypeForTypeof) : type, facts);
- function narrowTypeForTypeof(type) {
- // We narrow a non-union type to an exact primitive type if the non-union type
- // is a supertype of that primitive type. For example, type 'any' can be narrowed
- // to one of the primitive types.
- var targetType = literal.text === "function" ? globalFunctionType : typeofTypesByName.get(literal.text);
- if (targetType) {
- if (isTypeSubtypeOf(type, targetType)) {
- return type;
- }
- if (isTypeSubtypeOf(targetType, type)) {
- return targetType;
- }
- if (type.flags & 63176704 /* Instantiable */) {
- var constraint = getBaseConstraintOfType(type) || anyType;
- if (isTypeSubtypeOf(targetType, constraint)) {
- return getIntersectionType([type, targetType]);
- }
- }
- }
- return type;
- }
- }
- function narrowTypeBySwitchOptionalChainContainment(type, switchStatement, clauseStart, clauseEnd, clauseCheck) {
- var everyClauseChecks = clauseStart !== clauseEnd && ts.every(getSwitchClauseTypes(switchStatement).slice(clauseStart, clauseEnd), clauseCheck);
- return everyClauseChecks ? getTypeWithFacts(type, 2097152 /* NEUndefinedOrNull */) : type;
- }
- function narrowTypeBySwitchOnDiscriminant(type, switchStatement, clauseStart, clauseEnd) {
- // We only narrow if all case expressions specify
- // values with unit types, except for the case where
- // `type` is unknown. In this instance we map object
- // types to the nonPrimitive type and narrow with that.
- var switchTypes = getSwitchClauseTypes(switchStatement);
- if (!switchTypes.length) {
- return type;
- }
- var clauseTypes = switchTypes.slice(clauseStart, clauseEnd);
- var hasDefaultClause = clauseStart === clauseEnd || ts.contains(clauseTypes, neverType);
- if ((type.flags & 2 /* Unknown */) && !hasDefaultClause) {
- var groundClauseTypes = void 0;
- for (var i = 0; i < clauseTypes.length; i += 1) {
- var t = clauseTypes[i];
- if (t.flags & (131068 /* Primitive */ | 67108864 /* NonPrimitive */)) {
- if (groundClauseTypes !== undefined) {
- groundClauseTypes.push(t);
- }
- }
- else if (t.flags & 524288 /* Object */) {
- if (groundClauseTypes === undefined) {
- groundClauseTypes = clauseTypes.slice(0, i);
- }
- groundClauseTypes.push(nonPrimitiveType);
- }
- else {
- return type;
- }
- }
- return getUnionType(groundClauseTypes === undefined ? clauseTypes : groundClauseTypes);
- }
- var discriminantType = getUnionType(clauseTypes);
- var caseType = discriminantType.flags & 131072 /* Never */ ? neverType :
- replacePrimitivesWithLiterals(filterType(type, function (t) { return areTypesComparable(discriminantType, t); }), discriminantType);
- if (!hasDefaultClause) {
- return caseType;
- }
- var defaultType = filterType(type, function (t) { return !(isUnitType(t) && ts.contains(switchTypes, getRegularTypeOfLiteralType(t))); });
- return caseType.flags & 131072 /* Never */ ? defaultType : getUnionType([caseType, defaultType]);
- }
- function getImpliedTypeFromTypeofCase(type, text) {
- switch (text) {
- case "function":
- return type.flags & 1 /* Any */ ? type : globalFunctionType;
- case "object":
- return type.flags & 2 /* Unknown */ ? getUnionType([nonPrimitiveType, nullType]) : type;
- default:
- return typeofTypesByName.get(text) || type;
- }
- }
- function narrowTypeForTypeofSwitch(candidate) {
- return function (type) {
- if (isTypeSubtypeOf(candidate, type)) {
- return candidate;
- }
- if (type.flags & 63176704 /* Instantiable */) {
- var constraint = getBaseConstraintOfType(type) || anyType;
- if (isTypeSubtypeOf(candidate, constraint)) {
- return getIntersectionType([type, candidate]);
- }
- }
- return type;
- };
- }
- function narrowBySwitchOnTypeOf(type, switchStatement, clauseStart, clauseEnd) {
- var switchWitnesses = getSwitchClauseTypeOfWitnesses(switchStatement, /*retainDefault*/ true);
- if (!switchWitnesses.length) {
- return type;
- }
- // Equal start and end denotes implicit fallthrough; undefined marks explicit default clause
- var defaultCaseLocation = ts.findIndex(switchWitnesses, function (elem) { return elem === undefined; });
- var hasDefaultClause = clauseStart === clauseEnd || (defaultCaseLocation >= clauseStart && defaultCaseLocation < clauseEnd);
- var clauseWitnesses;
- var switchFacts;
- if (defaultCaseLocation > -1) {
- // We no longer need the undefined denoting an
- // explicit default case. Remove the undefined and
- // fix-up clauseStart and clauseEnd. This means
- // that we don't have to worry about undefined
- // in the witness array.
- var witnesses = switchWitnesses.filter(function (witness) { return witness !== undefined; });
- // The adjusted clause start and end after removing the `default` statement.
- var fixedClauseStart = defaultCaseLocation < clauseStart ? clauseStart - 1 : clauseStart;
- var fixedClauseEnd = defaultCaseLocation < clauseEnd ? clauseEnd - 1 : clauseEnd;
- clauseWitnesses = witnesses.slice(fixedClauseStart, fixedClauseEnd);
- switchFacts = getFactsFromTypeofSwitch(fixedClauseStart, fixedClauseEnd, witnesses, hasDefaultClause);
- }
- else {
- clauseWitnesses = switchWitnesses.slice(clauseStart, clauseEnd);
- switchFacts = getFactsFromTypeofSwitch(clauseStart, clauseEnd, switchWitnesses, hasDefaultClause);
- }
- if (hasDefaultClause) {
- return filterType(type, function (t) { return (getTypeFacts(t) & switchFacts) === switchFacts; });
- }
- /*
- The implied type is the raw type suggested by a
- value being caught in this clause.
-
- When the clause contains a default case we ignore
- the implied type and try to narrow using any facts
- we can learn: see `switchFacts`.
-
- Example:
- switch (typeof x) {
- case 'number':
- case 'string': break;
- default: break;
- case 'number':
- case 'boolean': break
- }
-
- In the first clause (case `number` and `string`) the
- implied type is number | string.
-
- In the default clause we de not compute an implied type.
-
- In the third clause (case `number` and `boolean`)
- the naive implied type is number | boolean, however
- we use the type facts to narrow the implied type to
- boolean. We know that number cannot be selected
- because it is caught in the first clause.
- */
- var impliedType = getTypeWithFacts(getUnionType(clauseWitnesses.map(function (text) { return getImpliedTypeFromTypeofCase(type, text); })), switchFacts);
- if (impliedType.flags & 1048576 /* Union */) {
- impliedType = getAssignmentReducedType(impliedType, getBaseConstraintOrType(type));
- }
- return getTypeWithFacts(mapType(type, narrowTypeForTypeofSwitch(impliedType)), switchFacts);
- }
- function isMatchingConstructorReference(expr) {
- return (ts.isPropertyAccessExpression(expr) && ts.idText(expr.name) === "constructor" ||
- ts.isElementAccessExpression(expr) && ts.isStringLiteralLike(expr.argumentExpression) && expr.argumentExpression.text === "constructor") &&
- isMatchingReference(reference, expr.expression);
- }
- function narrowTypeByConstructor(type, operator, identifier, assumeTrue) {
- // Do not narrow when checking inequality.
- if (assumeTrue ? (operator !== 34 /* EqualsEqualsToken */ && operator !== 36 /* EqualsEqualsEqualsToken */) : (operator !== 35 /* ExclamationEqualsToken */ && operator !== 37 /* ExclamationEqualsEqualsToken */)) {
- return type;
- }
- // Get the type of the constructor identifier expression, if it is not a function then do not narrow.
- var identifierType = getTypeOfExpression(identifier);
- if (!isFunctionType(identifierType) && !isConstructorType(identifierType)) {
- return type;
- }
- // Get the prototype property of the type identifier so we can find out its type.
- var prototypeProperty = getPropertyOfType(identifierType, "prototype");
- if (!prototypeProperty) {
- return type;
- }
- // Get the type of the prototype, if it is undefined, or the global `Object` or `Function` types then do not narrow.
- var prototypeType = getTypeOfSymbol(prototypeProperty);
- var candidate = !isTypeAny(prototypeType) ? prototypeType : undefined;
- if (!candidate || candidate === globalObjectType || candidate === globalFunctionType) {
- return type;
- }
- // If the type that is being narrowed is `any` then just return the `candidate` type since every type is a subtype of `any`.
- if (isTypeAny(type)) {
- return candidate;
- }
- // Filter out types that are not considered to be "constructed by" the `candidate` type.
- return filterType(type, function (t) { return isConstructedBy(t, candidate); });
- function isConstructedBy(source, target) {
- // If either the source or target type are a class type then we need to check that they are the same exact type.
- // This is because you may have a class `A` that defines some set of properties, and another class `B`
- // that defines the same set of properties as class `A`, in that case they are structurally the same
- // type, but when you do something like `instanceOfA.constructor === B` it will return false.
- if (source.flags & 524288 /* Object */ && ts.getObjectFlags(source) & 1 /* Class */ ||
- target.flags & 524288 /* Object */ && ts.getObjectFlags(target) & 1 /* Class */) {
- return source.symbol === target.symbol;
- }
- // For all other types just check that the `source` type is a subtype of the `target` type.
- return isTypeSubtypeOf(source, target);
- }
- }
- function narrowTypeByInstanceof(type, expr, assumeTrue) {
- var left = getReferenceCandidate(expr.left);
- if (!isMatchingReference(reference, left)) {
- if (assumeTrue && strictNullChecks && optionalChainContainsReference(left, reference)) {
- return getTypeWithFacts(type, 2097152 /* NEUndefinedOrNull */);
- }
- return type;
- }
- // Check that right operand is a function type with a prototype property
- var rightType = getTypeOfExpression(expr.right);
- if (!isTypeDerivedFrom(rightType, globalFunctionType)) {
- return type;
- }
- var targetType;
- var prototypeProperty = getPropertyOfType(rightType, "prototype");
- if (prototypeProperty) {
- // Target type is type of the prototype property
- var prototypePropertyType = getTypeOfSymbol(prototypeProperty);
- if (!isTypeAny(prototypePropertyType)) {
- targetType = prototypePropertyType;
- }
- }
- // Don't narrow from 'any' if the target type is exactly 'Object' or 'Function'
- if (isTypeAny(type) && (targetType === globalObjectType || targetType === globalFunctionType)) {
- return type;
- }
- if (!targetType) {
- var constructSignatures = getSignaturesOfType(rightType, 1 /* Construct */);
- targetType = constructSignatures.length ?
- getUnionType(ts.map(constructSignatures, function (signature) { return getReturnTypeOfSignature(getErasedSignature(signature)); })) :
- emptyObjectType;
- }
- return getNarrowedType(type, targetType, assumeTrue, isTypeDerivedFrom);
- }
- function getNarrowedType(type, candidate, assumeTrue, isRelated) {
- if (!assumeTrue) {
- return filterType(type, function (t) { return !isRelated(t, candidate); });
- }
- // If the current type is a union type, remove all constituents that couldn't be instances of
- // the candidate type. If one or more constituents remain, return a union of those.
- if (type.flags & 1048576 /* Union */) {
- var assignableType = filterType(type, function (t) { return isRelated(t, candidate); });
- if (!(assignableType.flags & 131072 /* Never */)) {
- return assignableType;
- }
- }
- // If the candidate type is a subtype of the target type, narrow to the candidate type.
- // Otherwise, if the target type is assignable to the candidate type, keep the target type.
- // Otherwise, if the candidate type is assignable to the target type, narrow to the candidate
- // type. Otherwise, the types are completely unrelated, so narrow to an intersection of the
- // two types.
- return isTypeSubtypeOf(candidate, type) ? candidate :
- isTypeAssignableTo(type, candidate) ? type :
- isTypeAssignableTo(candidate, type) ? candidate :
- getIntersectionType([type, candidate]);
- }
- function narrowTypeByCallExpression(type, callExpression, assumeTrue) {
- if (hasMatchingArgument(callExpression, reference)) {
- var signature = assumeTrue || !ts.isCallChain(callExpression) ? getEffectsSignature(callExpression) : undefined;
- var predicate = signature && getTypePredicateOfSignature(signature);
- if (predicate && (predicate.kind === 0 /* This */ || predicate.kind === 1 /* Identifier */)) {
- return narrowTypeByTypePredicate(type, predicate, callExpression, assumeTrue);
- }
- }
- return type;
- }
- function narrowTypeByTypePredicate(type, predicate, callExpression, assumeTrue) {
- // Don't narrow from 'any' if the predicate type is exactly 'Object' or 'Function'
- if (predicate.type && !(isTypeAny(type) && (predicate.type === globalObjectType || predicate.type === globalFunctionType))) {
- var predicateArgument = getTypePredicateArgument(predicate, callExpression);
- if (predicateArgument) {
- if (isMatchingReference(reference, predicateArgument)) {
- return getNarrowedType(type, predicate.type, assumeTrue, isTypeSubtypeOf);
- }
- if (strictNullChecks && assumeTrue && optionalChainContainsReference(predicateArgument, reference) &&
- !(getTypeFacts(predicate.type) & 65536 /* EQUndefined */)) {
- type = getTypeWithFacts(type, 2097152 /* NEUndefinedOrNull */);
- }
- if (isMatchingReferenceDiscriminant(predicateArgument, declaredType)) {
- return narrowTypeByDiscriminant(type, predicateArgument, function (t) { return getNarrowedType(t, predicate.type, assumeTrue, isTypeSubtypeOf); });
- }
- }
- }
- return type;
- }
- // Narrow the given type based on the given expression having the assumed boolean value. The returned type
- // will be a subtype or the same type as the argument.
- function narrowType(type, expr, assumeTrue) {
- // for `a?.b`, we emulate a synthetic `a !== null && a !== undefined` condition for `a`
- if (ts.isExpressionOfOptionalChainRoot(expr) ||
- ts.isBinaryExpression(expr.parent) && expr.parent.operatorToken.kind === 60 /* QuestionQuestionToken */ && expr.parent.left === expr) {
- return narrowTypeByOptionality(type, expr, assumeTrue);
- }
- switch (expr.kind) {
- case 75 /* Identifier */:
- case 104 /* ThisKeyword */:
- case 102 /* SuperKeyword */:
- case 194 /* PropertyAccessExpression */:
- case 195 /* ElementAccessExpression */:
- return narrowTypeByTruthiness(type, expr, assumeTrue);
- case 196 /* CallExpression */:
- return narrowTypeByCallExpression(type, expr, assumeTrue);
- case 200 /* ParenthesizedExpression */:
- return narrowType(type, expr.expression, assumeTrue);
- case 209 /* BinaryExpression */:
- return narrowTypeByBinaryExpression(type, expr, assumeTrue);
- case 207 /* PrefixUnaryExpression */:
- if (expr.operator === 53 /* ExclamationToken */) {
- return narrowType(type, expr.operand, !assumeTrue);
- }
- break;
- }
- return type;
- }
- function narrowTypeByOptionality(type, expr, assumePresent) {
- if (isMatchingReference(reference, expr)) {
- return getTypeWithFacts(type, assumePresent ? 2097152 /* NEUndefinedOrNull */ : 262144 /* EQUndefinedOrNull */);
- }
- if (isMatchingReferenceDiscriminant(expr, declaredType)) {
- return narrowTypeByDiscriminant(type, expr, function (t) { return getTypeWithFacts(t, assumePresent ? 2097152 /* NEUndefinedOrNull */ : 262144 /* EQUndefinedOrNull */); });
- }
- return type;
- }
- }
- function getTypeOfSymbolAtLocation(symbol, location) {
- symbol = symbol.exportSymbol || symbol;
- // If we have an identifier or a property access at the given location, if the location is
- // an dotted name expression, and if the location is not an assignment target, obtain the type
- // of the expression (which will reflect control flow analysis). If the expression indeed
- // resolved to the given symbol, return the narrowed type.
- if (location.kind === 75 /* Identifier */) {
- if (ts.isRightSideOfQualifiedNameOrPropertyAccess(location)) {
- location = location.parent;
- }
- if (ts.isExpressionNode(location) && !ts.isAssignmentTarget(location)) {
- var type = getTypeOfExpression(location);
- if (getExportSymbolOfValueSymbolIfExported(getNodeLinks(location).resolvedSymbol) === symbol) {
- return type;
- }
- }
- }
- // The location isn't a reference to the given symbol, meaning we're being asked
- // a hypothetical question of what type the symbol would have if there was a reference
- // to it at the given location. Since we have no control flow information for the
- // hypothetical reference (control flow information is created and attached by the
- // binder), we simply return the declared type of the symbol.
- return getTypeOfSymbol(symbol);
- }
- function getControlFlowContainer(node) {
- return ts.findAncestor(node.parent, function (node) {
- return ts.isFunctionLike(node) && !ts.getImmediatelyInvokedFunctionExpression(node) ||
- node.kind === 250 /* ModuleBlock */ ||
- node.kind === 290 /* SourceFile */ ||
- node.kind === 159 /* PropertyDeclaration */;
- });
- }
- // Check if a parameter is assigned anywhere within its declaring function.
- function isParameterAssigned(symbol) {
- var func = ts.getRootDeclaration(symbol.valueDeclaration).parent;
- var links = getNodeLinks(func);
- if (!(links.flags & 8388608 /* AssignmentsMarked */)) {
- links.flags |= 8388608 /* AssignmentsMarked */;
- if (!hasParentWithAssignmentsMarked(func)) {
- markParameterAssignments(func);
- }
- }
- return symbol.isAssigned || false;
- }
- function hasParentWithAssignmentsMarked(node) {
- return !!ts.findAncestor(node.parent, function (node) { return ts.isFunctionLike(node) && !!(getNodeLinks(node).flags & 8388608 /* AssignmentsMarked */); });
- }
- function markParameterAssignments(node) {
- if (node.kind === 75 /* Identifier */) {
- if (ts.isAssignmentTarget(node)) {
- var symbol = getResolvedSymbol(node);
- if (symbol.valueDeclaration && ts.getRootDeclaration(symbol.valueDeclaration).kind === 156 /* Parameter */) {
- symbol.isAssigned = true;
- }
- }
- }
- else {
- ts.forEachChild(node, markParameterAssignments);
- }
- }
- function isConstVariable(symbol) {
- return symbol.flags & 3 /* Variable */ && (getDeclarationNodeFlagsFromSymbol(symbol) & 2 /* Const */) !== 0 && getTypeOfSymbol(symbol) !== autoArrayType;
- }
- /** remove undefined from the annotated type of a parameter when there is an initializer (that doesn't include undefined) */
- function removeOptionalityFromDeclaredType(declaredType, declaration) {
- if (pushTypeResolution(declaration.symbol, 2 /* DeclaredType */)) {
- var annotationIncludesUndefined = strictNullChecks &&
- declaration.kind === 156 /* Parameter */ &&
- declaration.initializer &&
- getFalsyFlags(declaredType) & 32768 /* Undefined */ &&
- !(getFalsyFlags(checkExpression(declaration.initializer)) & 32768 /* Undefined */);
- popTypeResolution();
- return annotationIncludesUndefined ? getTypeWithFacts(declaredType, 524288 /* NEUndefined */) : declaredType;
- }
- else {
- reportCircularityError(declaration.symbol);
- return declaredType;
- }
- }
- function isConstraintPosition(node) {
- var parent = node.parent;
- return parent.kind === 194 /* PropertyAccessExpression */ ||
- parent.kind === 196 /* CallExpression */ && parent.expression === node ||
- parent.kind === 195 /* ElementAccessExpression */ && parent.expression === node ||
- parent.kind === 191 /* BindingElement */ && parent.name === node && !!parent.initializer;
- }
- function typeHasNullableConstraint(type) {
- return type.flags & 58982400 /* InstantiableNonPrimitive */ && maybeTypeOfKind(getBaseConstraintOfType(type) || unknownType, 98304 /* Nullable */);
- }
- function getConstraintForLocation(type, node) {
- // When a node is the left hand expression of a property access, element access, or call expression,
- // and the type of the node includes type variables with constraints that are nullable, we fetch the
- // apparent type of the node *before* performing control flow analysis such that narrowings apply to
- // the constraint type.
- if (type && isConstraintPosition(node) && forEachType(type, typeHasNullableConstraint)) {
- return mapType(getWidenedType(type), getBaseConstraintOrType);
- }
- return type;
- }
- function isExportOrExportExpression(location) {
- return !!ts.findAncestor(location, function (e) { return e.parent && ts.isExportAssignment(e.parent) && e.parent.expression === e && ts.isEntityNameExpression(e); });
- }
- function markAliasReferenced(symbol, location) {
- if (isNonLocalAlias(symbol, /*excludes*/ 111551 /* Value */) && !isInTypeQuery(location) && !getTypeOnlyAliasDeclaration(symbol)) {
- if (compilerOptions.preserveConstEnums && isExportOrExportExpression(location) || !isConstEnumOrConstEnumOnlyModule(resolveAlias(symbol))) {
- markAliasSymbolAsReferenced(symbol);
- }
- else {
- markConstEnumAliasAsReferenced(symbol);
- }
- }
- }
- function checkIdentifier(node) {
- var symbol = getResolvedSymbol(node);
- if (symbol === unknownSymbol) {
- return errorType;
- }
- // As noted in ECMAScript 6 language spec, arrow functions never have an arguments objects.
- // Although in down-level emit of arrow function, we emit it using function expression which means that
- // arguments objects will be bound to the inner object; emitting arrow function natively in ES6, arguments objects
- // will be bound to non-arrow function that contain this arrow function. This results in inconsistent behavior.
- // To avoid that we will give an error to users if they use arguments objects in arrow function so that they
- // can explicitly bound arguments objects
- if (symbol === argumentsSymbol) {
- var container = ts.getContainingFunction(node);
- if (languageVersion < 2 /* ES2015 */) {
- if (container.kind === 202 /* ArrowFunction */) {
- error(node, ts.Diagnostics.The_arguments_object_cannot_be_referenced_in_an_arrow_function_in_ES3_and_ES5_Consider_using_a_standard_function_expression);
- }
- else if (ts.hasModifier(container, 256 /* Async */)) {
- error(node, ts.Diagnostics.The_arguments_object_cannot_be_referenced_in_an_async_function_or_method_in_ES3_and_ES5_Consider_using_a_standard_function_or_method);
- }
- }
- getNodeLinks(container).flags |= 8192 /* CaptureArguments */;
- return getTypeOfSymbol(symbol);
- }
- // We should only mark aliases as referenced if there isn't a local value declaration
- // for the symbol. Also, don't mark any property access expression LHS - checkPropertyAccessExpression will handle that
- if (!(node.parent && ts.isPropertyAccessExpression(node.parent) && node.parent.expression === node)) {
- markAliasReferenced(symbol, node);
- }
- var localOrExportSymbol = getExportSymbolOfValueSymbolIfExported(symbol);
- var declaration = localOrExportSymbol.valueDeclaration;
- if (localOrExportSymbol.flags & 32 /* Class */) {
- // Due to the emit for class decorators, any reference to the class from inside of the class body
- // must instead be rewritten to point to a temporary variable to avoid issues with the double-bind
- // behavior of class names in ES6.
- if (declaration.kind === 245 /* ClassDeclaration */
- && ts.nodeIsDecorated(declaration)) {
- var container = ts.getContainingClass(node);
- while (container !== undefined) {
- if (container === declaration && container.name !== node) {
- getNodeLinks(declaration).flags |= 16777216 /* ClassWithConstructorReference */;
- getNodeLinks(node).flags |= 33554432 /* ConstructorReferenceInClass */;
- break;
- }
- container = ts.getContainingClass(container);
- }
- }
- else if (declaration.kind === 214 /* ClassExpression */) {
- // When we emit a class expression with static members that contain a reference
- // to the constructor in the initializer, we will need to substitute that
- // binding with an alias as the class name is not in scope.
- var container = ts.getThisContainer(node, /*includeArrowFunctions*/ false);
- while (container.kind !== 290 /* SourceFile */) {
- if (container.parent === declaration) {
- if (container.kind === 159 /* PropertyDeclaration */ && ts.hasModifier(container, 32 /* Static */)) {
- getNodeLinks(declaration).flags |= 16777216 /* ClassWithConstructorReference */;
- getNodeLinks(node).flags |= 33554432 /* ConstructorReferenceInClass */;
- }
- break;
- }
- container = ts.getThisContainer(container, /*includeArrowFunctions*/ false);
- }
- }
- }
- checkNestedBlockScopedBinding(node, symbol);
- var type = getConstraintForLocation(getTypeOfSymbol(localOrExportSymbol), node);
- var assignmentKind = ts.getAssignmentTargetKind(node);
- if (assignmentKind) {
- if (!(localOrExportSymbol.flags & 3 /* Variable */) &&
- !(ts.isInJSFile(node) && localOrExportSymbol.flags & 512 /* ValueModule */)) {
- error(node, ts.Diagnostics.Cannot_assign_to_0_because_it_is_not_a_variable, symbolToString(symbol));
- return errorType;
- }
- if (isReadonlySymbol(localOrExportSymbol)) {
- if (localOrExportSymbol.flags & 3 /* Variable */) {
- error(node, ts.Diagnostics.Cannot_assign_to_0_because_it_is_a_constant, symbolToString(symbol));
- }
- else {
- error(node, ts.Diagnostics.Cannot_assign_to_0_because_it_is_a_read_only_property, symbolToString(symbol));
- }
- return errorType;
- }
- }
- var isAlias = localOrExportSymbol.flags & 2097152 /* Alias */;
- // We only narrow variables and parameters occurring in a non-assignment position. For all other
- // entities we simply return the declared type.
- if (localOrExportSymbol.flags & 3 /* Variable */) {
- if (assignmentKind === 1 /* Definite */) {
- return type;
- }
- }
- else if (isAlias) {
- declaration = ts.find(symbol.declarations, isSomeImportDeclaration);
- }
- else {
- return type;
- }
- if (!declaration) {
- return type;
- }
- // The declaration container is the innermost function that encloses the declaration of the variable
- // or parameter. The flow container is the innermost function starting with which we analyze the control
- // flow graph to determine the control flow based type.
- var isParameter = ts.getRootDeclaration(declaration).kind === 156 /* Parameter */;
- var declarationContainer = getControlFlowContainer(declaration);
- var flowContainer = getControlFlowContainer(node);
- var isOuterVariable = flowContainer !== declarationContainer;
- var isSpreadDestructuringAssignmentTarget = node.parent && node.parent.parent && ts.isSpreadAssignment(node.parent) && isDestructuringAssignmentTarget(node.parent.parent);
- var isModuleExports = symbol.flags & 134217728 /* ModuleExports */;
- // When the control flow originates in a function expression or arrow function and we are referencing
- // a const variable or parameter from an outer function, we extend the origin of the control flow
- // analysis to include the immediately enclosing function.
- while (flowContainer !== declarationContainer && (flowContainer.kind === 201 /* FunctionExpression */ ||
- flowContainer.kind === 202 /* ArrowFunction */ || ts.isObjectLiteralOrClassExpressionMethod(flowContainer)) &&
- (isConstVariable(localOrExportSymbol) || isParameter && !isParameterAssigned(localOrExportSymbol))) {
- flowContainer = getControlFlowContainer(flowContainer);
- }
- // We only look for uninitialized variables in strict null checking mode, and only when we can analyze
- // the entire control flow graph from the variable's declaration (i.e. when the flow container and
- // declaration container are the same).
- var assumeInitialized = isParameter || isAlias || isOuterVariable || isSpreadDestructuringAssignmentTarget || isModuleExports || ts.isBindingElement(declaration) ||
- type !== autoType && type !== autoArrayType && (!strictNullChecks || (type.flags & (3 /* AnyOrUnknown */ | 16384 /* Void */)) !== 0 ||
- isInTypeQuery(node) || node.parent.kind === 263 /* ExportSpecifier */) ||
- node.parent.kind === 218 /* NonNullExpression */ ||
- declaration.kind === 242 /* VariableDeclaration */ && declaration.exclamationToken ||
- declaration.flags & 8388608 /* Ambient */;
- var initialType = assumeInitialized ? (isParameter ? removeOptionalityFromDeclaredType(type, declaration) : type) :
- type === autoType || type === autoArrayType ? undefinedType :
- getOptionalType(type);
- var flowType = getFlowTypeOfReference(node, type, initialType, flowContainer, !assumeInitialized);
- // A variable is considered uninitialized when it is possible to analyze the entire control flow graph
- // from declaration to use, and when the variable's declared type doesn't include undefined but the
- // control flow based type does include undefined.
- if (!isEvolvingArrayOperationTarget(node) && (type === autoType || type === autoArrayType)) {
- if (flowType === autoType || flowType === autoArrayType) {
- if (noImplicitAny) {
- error(ts.getNameOfDeclaration(declaration), ts.Diagnostics.Variable_0_implicitly_has_type_1_in_some_locations_where_its_type_cannot_be_determined, symbolToString(symbol), typeToString(flowType));
- error(node, ts.Diagnostics.Variable_0_implicitly_has_an_1_type, symbolToString(symbol), typeToString(flowType));
- }
- return convertAutoToAny(flowType);
- }
- }
- else if (!assumeInitialized && !(getFalsyFlags(type) & 32768 /* Undefined */) && getFalsyFlags(flowType) & 32768 /* Undefined */) {
- error(node, ts.Diagnostics.Variable_0_is_used_before_being_assigned, symbolToString(symbol));
- // Return the declared type to reduce follow-on errors
- return type;
- }
- return assignmentKind ? getBaseTypeOfLiteralType(flowType) : flowType;
- }
- function isInsideFunction(node, threshold) {
- return !!ts.findAncestor(node, function (n) { return n === threshold ? "quit" : ts.isFunctionLike(n); });
- }
- function getPartOfForStatementContainingNode(node, container) {
- return ts.findAncestor(node, function (n) { return n === container ? "quit" : n === container.initializer || n === container.condition || n === container.incrementor || n === container.statement; });
- }
- function checkNestedBlockScopedBinding(node, symbol) {
- if (languageVersion >= 2 /* ES2015 */ ||
- (symbol.flags & (2 /* BlockScopedVariable */ | 32 /* Class */)) === 0 ||
- ts.isSourceFile(symbol.valueDeclaration) ||
- symbol.valueDeclaration.parent.kind === 280 /* CatchClause */) {
- return;
- }
- // 1. walk from the use site up to the declaration and check
- // if there is anything function like between declaration and use-site (is binding/class is captured in function).
- // 2. walk from the declaration up to the boundary of lexical environment and check
- // if there is an iteration statement in between declaration and boundary (is binding/class declared inside iteration statement)
- var container = ts.getEnclosingBlockScopeContainer(symbol.valueDeclaration);
- var usedInFunction = isInsideFunction(node.parent, container);
- var current = container;
- var containedInIterationStatement = false;
- while (current && !ts.nodeStartsNewLexicalEnvironment(current)) {
- if (ts.isIterationStatement(current, /*lookInLabeledStatements*/ false)) {
- containedInIterationStatement = true;
- break;
- }
- current = current.parent;
- }
- if (containedInIterationStatement) {
- if (usedInFunction) {
- // mark iteration statement as containing block-scoped binding captured in some function
- var capturesBlockScopeBindingInLoopBody = true;
- if (ts.isForStatement(container)) {
- var varDeclList = ts.getAncestor(symbol.valueDeclaration, 243 /* VariableDeclarationList */);
- if (varDeclList && varDeclList.parent === container) {
- var part = getPartOfForStatementContainingNode(node.parent, container);
- if (part) {
- var links = getNodeLinks(part);
- links.flags |= 131072 /* ContainsCapturedBlockScopeBinding */;
- var capturedBindings = links.capturedBlockScopeBindings || (links.capturedBlockScopeBindings = []);
- ts.pushIfUnique(capturedBindings, symbol);
- if (part === container.initializer) {
- capturesBlockScopeBindingInLoopBody = false; // Initializer is outside of loop body
- }
- }
- }
- }
- if (capturesBlockScopeBindingInLoopBody) {
- getNodeLinks(current).flags |= 65536 /* LoopWithCapturedBlockScopedBinding */;
- }
- }
- // mark variables that are declared in loop initializer and reassigned inside the body of ForStatement.
- // if body of ForStatement will be converted to function then we'll need a extra machinery to propagate reassigned values back.
- if (ts.isForStatement(container)) {
- var varDeclList = ts.getAncestor(symbol.valueDeclaration, 243 /* VariableDeclarationList */);
- if (varDeclList && varDeclList.parent === container && isAssignedInBodyOfForStatement(node, container)) {
- getNodeLinks(symbol.valueDeclaration).flags |= 4194304 /* NeedsLoopOutParameter */;
- }
- }
- // set 'declared inside loop' bit on the block-scoped binding
- getNodeLinks(symbol.valueDeclaration).flags |= 524288 /* BlockScopedBindingInLoop */;
- }
- if (usedInFunction) {
- getNodeLinks(symbol.valueDeclaration).flags |= 262144 /* CapturedBlockScopedBinding */;
- }
- }
- function isBindingCapturedByNode(node, decl) {
- var links = getNodeLinks(node);
- return !!links && ts.contains(links.capturedBlockScopeBindings, getSymbolOfNode(decl));
- }
- function isAssignedInBodyOfForStatement(node, container) {
- // skip parenthesized nodes
- var current = node;
- while (current.parent.kind === 200 /* ParenthesizedExpression */) {
- current = current.parent;
- }
- // check if node is used as LHS in some assignment expression
- var isAssigned = false;
- if (ts.isAssignmentTarget(current)) {
- isAssigned = true;
- }
- else if ((current.parent.kind === 207 /* PrefixUnaryExpression */ || current.parent.kind === 208 /* PostfixUnaryExpression */)) {
- var expr = current.parent;
- isAssigned = expr.operator === 45 /* PlusPlusToken */ || expr.operator === 46 /* MinusMinusToken */;
- }
- if (!isAssigned) {
- return false;
- }
- // at this point we know that node is the target of assignment
- // now check that modification happens inside the statement part of the ForStatement
- return !!ts.findAncestor(current, function (n) { return n === container ? "quit" : n === container.statement; });
- }
- function captureLexicalThis(node, container) {
- getNodeLinks(node).flags |= 2 /* LexicalThis */;
- if (container.kind === 159 /* PropertyDeclaration */ || container.kind === 162 /* Constructor */) {
- var classNode = container.parent;
- getNodeLinks(classNode).flags |= 4 /* CaptureThis */;
- }
- else {
- getNodeLinks(container).flags |= 4 /* CaptureThis */;
- }
- }
- function findFirstSuperCall(n) {
- if (ts.isSuperCall(n)) {
- return n;
- }
- else if (ts.isFunctionLike(n)) {
- return undefined;
- }
- return ts.forEachChild(n, findFirstSuperCall);
- }
- /**
- * Return a cached result if super-statement is already found.
- * Otherwise, find a super statement in a given constructor function and cache the result in the node-links of the constructor
- *
- * @param constructor constructor-function to look for super statement
- */
- function getSuperCallInConstructor(constructor) {
- var links = getNodeLinks(constructor);
- // Only trying to find super-call if we haven't yet tried to find one. Once we try, we will record the result
- if (links.hasSuperCall === undefined) {
- links.superCall = findFirstSuperCall(constructor.body);
- links.hasSuperCall = links.superCall ? true : false;
- }
- return links.superCall;
- }
- /**
- * Check if the given class-declaration extends null then return true.
- * Otherwise, return false
- * @param classDecl a class declaration to check if it extends null
- */
- function classDeclarationExtendsNull(classDecl) {
- var classSymbol = getSymbolOfNode(classDecl);
- var classInstanceType = getDeclaredTypeOfSymbol(classSymbol);
- var baseConstructorType = getBaseConstructorTypeOfClass(classInstanceType);
- return baseConstructorType === nullWideningType;
- }
- function checkThisBeforeSuper(node, container, diagnosticMessage) {
- var containingClassDecl = container.parent;
- var baseTypeNode = ts.getClassExtendsHeritageElement(containingClassDecl);
- // If a containing class does not have extends clause or the class extends null
- // skip checking whether super statement is called before "this" accessing.
- if (baseTypeNode && !classDeclarationExtendsNull(containingClassDecl)) {
- var superCall = getSuperCallInConstructor(container);
- // We should give an error in the following cases:
- // - No super-call
- // - "this" is accessing before super-call.
- // i.e super(this)
- // this.x; super();
- // We want to make sure that super-call is done before accessing "this" so that
- // "this" is not accessed as a parameter of the super-call.
- if (!superCall || superCall.end > node.pos) {
- // In ES6, super inside constructor of class-declaration has to precede "this" accessing
- error(node, diagnosticMessage);
- }
- }
- }
- function checkThisExpression(node) {
- // Stop at the first arrow function so that we can
- // tell whether 'this' needs to be captured.
- var container = ts.getThisContainer(node, /* includeArrowFunctions */ true);
- var capturedByArrowFunction = false;
- if (container.kind === 162 /* Constructor */) {
- checkThisBeforeSuper(node, container, ts.Diagnostics.super_must_be_called_before_accessing_this_in_the_constructor_of_a_derived_class);
- }
- // Now skip arrow functions to get the "real" owner of 'this'.
- if (container.kind === 202 /* ArrowFunction */) {
- container = ts.getThisContainer(container, /* includeArrowFunctions */ false);
- capturedByArrowFunction = true;
- }
- switch (container.kind) {
- case 249 /* ModuleDeclaration */:
- error(node, ts.Diagnostics.this_cannot_be_referenced_in_a_module_or_namespace_body);
- // do not return here so in case if lexical this is captured - it will be reflected in flags on NodeLinks
- break;
- case 248 /* EnumDeclaration */:
- error(node, ts.Diagnostics.this_cannot_be_referenced_in_current_location);
- // do not return here so in case if lexical this is captured - it will be reflected in flags on NodeLinks
- break;
- case 162 /* Constructor */:
- if (isInConstructorArgumentInitializer(node, container)) {
- error(node, ts.Diagnostics.this_cannot_be_referenced_in_constructor_arguments);
- // do not return here so in case if lexical this is captured - it will be reflected in flags on NodeLinks
- }
- break;
- case 159 /* PropertyDeclaration */:
- case 158 /* PropertySignature */:
- if (ts.hasModifier(container, 32 /* Static */) && !(compilerOptions.target === 99 /* ESNext */ && compilerOptions.useDefineForClassFields)) {
- error(node, ts.Diagnostics.this_cannot_be_referenced_in_a_static_property_initializer);
- // do not return here so in case if lexical this is captured - it will be reflected in flags on NodeLinks
- }
- break;
- case 154 /* ComputedPropertyName */:
- error(node, ts.Diagnostics.this_cannot_be_referenced_in_a_computed_property_name);
- break;
- }
- // When targeting es6, mark that we'll need to capture `this` in its lexically bound scope.
- if (capturedByArrowFunction && languageVersion < 2 /* ES2015 */) {
- captureLexicalThis(node, container);
- }
- var type = tryGetThisTypeAt(node, /*includeGlobalThis*/ true, container);
- if (noImplicitThis) {
- var globalThisType_1 = getTypeOfSymbol(globalThisSymbol);
- if (type === globalThisType_1 && capturedByArrowFunction) {
- error(node, ts.Diagnostics.The_containing_arrow_function_captures_the_global_value_of_this);
- }
- else if (!type) {
- // With noImplicitThis, functions may not reference 'this' if it has type 'any'
- var diag = error(node, ts.Diagnostics.this_implicitly_has_type_any_because_it_does_not_have_a_type_annotation);
- if (!ts.isSourceFile(container)) {
- var outsideThis = tryGetThisTypeAt(container);
- if (outsideThis && outsideThis !== globalThisType_1) {
- ts.addRelatedInfo(diag, ts.createDiagnosticForNode(container, ts.Diagnostics.An_outer_value_of_this_is_shadowed_by_this_container));
- }
- }
- }
- }
- return type || anyType;
- }
- function tryGetThisTypeAt(node, includeGlobalThis, container) {
- if (includeGlobalThis === void 0) { includeGlobalThis = true; }
- if (container === void 0) { container = ts.getThisContainer(node, /*includeArrowFunctions*/ false); }
- var isInJS = ts.isInJSFile(node);
- if (ts.isFunctionLike(container) &&
- (!isInParameterInitializerBeforeContainingFunction(node) || ts.getThisParameter(container))) {
- // Note: a parameter initializer should refer to class-this unless function-this is explicitly annotated.
- // If this is a function in a JS file, it might be a class method.
- var className = getClassNameFromPrototypeMethod(container);
- if (isInJS && className) {
- var classSymbol = checkExpression(className).symbol;
- if (classSymbol && classSymbol.members && (classSymbol.flags & 16 /* Function */)) {
- var classType = getDeclaredTypeOfSymbol(classSymbol).thisType;
- if (classType) {
- return getFlowTypeOfReference(node, classType);
- }
- }
- }
- // Check if it's a constructor definition, can be either a variable decl or function decl
- // i.e.
- // * /** @constructor */ function [name]() { ... }
- // * /** @constructor */ var x = function() { ... }
- else if (isInJS &&
- (container.kind === 201 /* FunctionExpression */ || container.kind === 244 /* FunctionDeclaration */) &&
- ts.getJSDocClassTag(container)) {
- var classType = getDeclaredTypeOfSymbol(getMergedSymbol(container.symbol)).thisType;
- return getFlowTypeOfReference(node, classType);
- }
- var thisType = getThisTypeOfDeclaration(container) || getContextualThisParameterType(container);
- if (thisType) {
- return getFlowTypeOfReference(node, thisType);
- }
- }
- if (ts.isClassLike(container.parent)) {
- var symbol = getSymbolOfNode(container.parent);
- var type = ts.hasModifier(container, 32 /* Static */) ? getTypeOfSymbol(symbol) : getDeclaredTypeOfSymbol(symbol).thisType;
- return getFlowTypeOfReference(node, type);
- }
- if (isInJS) {
- var type = getTypeForThisExpressionFromJSDoc(container);
- if (type && type !== errorType) {
- return getFlowTypeOfReference(node, type);
- }
- }
- if (ts.isSourceFile(container)) {
- // look up in the source file's locals or exports
- if (container.commonJsModuleIndicator) {
- var fileSymbol = getSymbolOfNode(container);
- return fileSymbol && getTypeOfSymbol(fileSymbol);
- }
- else if (includeGlobalThis) {
- return getTypeOfSymbol(globalThisSymbol);
- }
- }
- }
- function getExplicitThisType(node) {
- var container = ts.getThisContainer(node, /*includeArrowFunctions*/ false);
- if (ts.isFunctionLike(container)) {
- var signature = getSignatureFromDeclaration(container);
- if (signature.thisParameter) {
- return getExplicitTypeOfSymbol(signature.thisParameter);
- }
- }
- if (ts.isClassLike(container.parent)) {
- var symbol = getSymbolOfNode(container.parent);
- return ts.hasModifier(container, 32 /* Static */) ? getTypeOfSymbol(symbol) : getDeclaredTypeOfSymbol(symbol).thisType;
- }
- }
- function getClassNameFromPrototypeMethod(container) {
- // Check if it's the RHS of a x.prototype.y = function [name]() { .... }
- if (container.kind === 201 /* FunctionExpression */ &&
- ts.isBinaryExpression(container.parent) &&
- ts.getAssignmentDeclarationKind(container.parent) === 3 /* PrototypeProperty */) {
- // Get the 'x' of 'x.prototype.y = container'
- return container.parent // x.prototype.y = container
- .left // x.prototype.y
- .expression // x.prototype
- .expression; // x
- }
- // x.prototype = { method() { } }
- else if (container.kind === 161 /* MethodDeclaration */ &&
- container.parent.kind === 193 /* ObjectLiteralExpression */ &&
- ts.isBinaryExpression(container.parent.parent) &&
- ts.getAssignmentDeclarationKind(container.parent.parent) === 6 /* Prototype */) {
- return container.parent.parent.left.expression;
- }
- // x.prototype = { method: function() { } }
- else if (container.kind === 201 /* FunctionExpression */ &&
- container.parent.kind === 281 /* PropertyAssignment */ &&
- container.parent.parent.kind === 193 /* ObjectLiteralExpression */ &&
- ts.isBinaryExpression(container.parent.parent.parent) &&
- ts.getAssignmentDeclarationKind(container.parent.parent.parent) === 6 /* Prototype */) {
- return container.parent.parent.parent.left.expression;
- }
- // Object.defineProperty(x, "method", { value: function() { } });
- // Object.defineProperty(x, "method", { set: (x: () => void) => void });
- // Object.defineProperty(x, "method", { get: () => function() { }) });
- else if (container.kind === 201 /* FunctionExpression */ &&
- ts.isPropertyAssignment(container.parent) &&
- ts.isIdentifier(container.parent.name) &&
- (container.parent.name.escapedText === "value" || container.parent.name.escapedText === "get" || container.parent.name.escapedText === "set") &&
- ts.isObjectLiteralExpression(container.parent.parent) &&
- ts.isCallExpression(container.parent.parent.parent) &&
- container.parent.parent.parent.arguments[2] === container.parent.parent &&
- ts.getAssignmentDeclarationKind(container.parent.parent.parent) === 9 /* ObjectDefinePrototypeProperty */) {
- return container.parent.parent.parent.arguments[0].expression;
- }
- // Object.defineProperty(x, "method", { value() { } });
- // Object.defineProperty(x, "method", { set(x: () => void) {} });
- // Object.defineProperty(x, "method", { get() { return () => {} } });
- else if (ts.isMethodDeclaration(container) &&
- ts.isIdentifier(container.name) &&
- (container.name.escapedText === "value" || container.name.escapedText === "get" || container.name.escapedText === "set") &&
- ts.isObjectLiteralExpression(container.parent) &&
- ts.isCallExpression(container.parent.parent) &&
- container.parent.parent.arguments[2] === container.parent &&
- ts.getAssignmentDeclarationKind(container.parent.parent) === 9 /* ObjectDefinePrototypeProperty */) {
- return container.parent.parent.arguments[0].expression;
- }
- }
- function getTypeForThisExpressionFromJSDoc(node) {
- var jsdocType = ts.getJSDocType(node);
- if (jsdocType && jsdocType.kind === 300 /* JSDocFunctionType */) {
- var jsDocFunctionType = jsdocType;
- if (jsDocFunctionType.parameters.length > 0 &&
- jsDocFunctionType.parameters[0].name &&
- jsDocFunctionType.parameters[0].name.escapedText === "this" /* This */) {
- return getTypeFromTypeNode(jsDocFunctionType.parameters[0].type);
- }
- }
- var thisTag = ts.getJSDocThisTag(node);
- if (thisTag && thisTag.typeExpression) {
- return getTypeFromTypeNode(thisTag.typeExpression);
- }
- }
- function isInConstructorArgumentInitializer(node, constructorDecl) {
- return !!ts.findAncestor(node, function (n) { return ts.isFunctionLikeDeclaration(n) ? "quit" : n.kind === 156 /* Parameter */ && n.parent === constructorDecl; });
- }
- function checkSuperExpression(node) {
- var isCallExpression = node.parent.kind === 196 /* CallExpression */ && node.parent.expression === node;
- var container = ts.getSuperContainer(node, /*stopOnFunctions*/ true);
- var needToCaptureLexicalThis = false;
- // adjust the container reference in case if super is used inside arrow functions with arbitrarily deep nesting
- if (!isCallExpression) {
- while (container && container.kind === 202 /* ArrowFunction */) {
- container = ts.getSuperContainer(container, /*stopOnFunctions*/ true);
- needToCaptureLexicalThis = languageVersion < 2 /* ES2015 */;
- }
- }
- var canUseSuperExpression = isLegalUsageOfSuperExpression(container);
- var nodeCheckFlag = 0;
- if (!canUseSuperExpression) {
- // issue more specific error if super is used in computed property name
- // class A { foo() { return "1" }}
- // class B {
- // [super.foo()]() {}
- // }
- var current = ts.findAncestor(node, function (n) { return n === container ? "quit" : n.kind === 154 /* ComputedPropertyName */; });
- if (current && current.kind === 154 /* ComputedPropertyName */) {
- error(node, ts.Diagnostics.super_cannot_be_referenced_in_a_computed_property_name);
- }
- else if (isCallExpression) {
- error(node, ts.Diagnostics.Super_calls_are_not_permitted_outside_constructors_or_in_nested_functions_inside_constructors);
- }
- else if (!container || !container.parent || !(ts.isClassLike(container.parent) || container.parent.kind === 193 /* ObjectLiteralExpression */)) {
- error(node, ts.Diagnostics.super_can_only_be_referenced_in_members_of_derived_classes_or_object_literal_expressions);
- }
- else {
- error(node, ts.Diagnostics.super_property_access_is_permitted_only_in_a_constructor_member_function_or_member_accessor_of_a_derived_class);
- }
- return errorType;
- }
- if (!isCallExpression && container.kind === 162 /* Constructor */) {
- checkThisBeforeSuper(node, container, ts.Diagnostics.super_must_be_called_before_accessing_a_property_of_super_in_the_constructor_of_a_derived_class);
- }
- if (ts.hasModifier(container, 32 /* Static */) || isCallExpression) {
- nodeCheckFlag = 512 /* SuperStatic */;
- }
- else {
- nodeCheckFlag = 256 /* SuperInstance */;
- }
- getNodeLinks(node).flags |= nodeCheckFlag;
- // Due to how we emit async functions, we need to specialize the emit for an async method that contains a `super` reference.
- // This is due to the fact that we emit the body of an async function inside of a generator function. As generator
- // functions cannot reference `super`, we emit a helper inside of the method body, but outside of the generator. This helper
- // uses an arrow function, which is permitted to reference `super`.
- //
- // There are two primary ways we can access `super` from within an async method. The first is getting the value of a property
- // or indexed access on super, either as part of a right-hand-side expression or call expression. The second is when setting the value
- // of a property or indexed access, either as part of an assignment expression or destructuring assignment.
- //
- // The simplest case is reading a value, in which case we will emit something like the following:
- //
- // // ts
- // ...
- // async asyncMethod() {
- // let x = await super.asyncMethod();
- // return x;
- // }
- // ...
- //
- // // js
- // ...
- // asyncMethod() {
- // const _super = Object.create(null, {
- // asyncMethod: { get: () => super.asyncMethod },
- // });
- // return __awaiter(this, arguments, Promise, function *() {
- // let x = yield _super.asyncMethod.call(this);
- // return x;
- // });
- // }
- // ...
- //
- // The more complex case is when we wish to assign a value, especially as part of a destructuring assignment. As both cases
- // are legal in ES6, but also likely less frequent, we only emit setters if there is an assignment:
- //
- // // ts
- // ...
- // async asyncMethod(ar: Promise<any[]>) {
- // [super.a, super.b] = await ar;
- // }
- // ...
- //
- // // js
- // ...
- // asyncMethod(ar) {
- // const _super = Object.create(null, {
- // a: { get: () => super.a, set: (v) => super.a = v },
- // b: { get: () => super.b, set: (v) => super.b = v }
- // };
- // return __awaiter(this, arguments, Promise, function *() {
- // [_super.a, _super.b] = yield ar;
- // });
- // }
- // ...
- //
- // Creating an object that has getter and setters instead of just an accessor function is required for destructuring assignments
- // as a call expression cannot be used as the target of a destructuring assignment while a property access can.
- //
- // For element access expressions (`super[x]`), we emit a generic helper that forwards the element access in both situations.
- if (container.kind === 161 /* MethodDeclaration */ && ts.hasModifier(container, 256 /* Async */)) {
- if (ts.isSuperProperty(node.parent) && ts.isAssignmentTarget(node.parent)) {
- getNodeLinks(container).flags |= 4096 /* AsyncMethodWithSuperBinding */;
- }
- else {
- getNodeLinks(container).flags |= 2048 /* AsyncMethodWithSuper */;
- }
- }
- if (needToCaptureLexicalThis) {
- // call expressions are allowed only in constructors so they should always capture correct 'this'
- // super property access expressions can also appear in arrow functions -
- // in this case they should also use correct lexical this
- captureLexicalThis(node.parent, container);
- }
- if (container.parent.kind === 193 /* ObjectLiteralExpression */) {
- if (languageVersion < 2 /* ES2015 */) {
- error(node, ts.Diagnostics.super_is_only_allowed_in_members_of_object_literal_expressions_when_option_target_is_ES2015_or_higher);
- return errorType;
- }
- else {
- // for object literal assume that type of 'super' is 'any'
- return anyType;
- }
- }
- // at this point the only legal case for parent is ClassLikeDeclaration
- var classLikeDeclaration = container.parent;
- if (!ts.getClassExtendsHeritageElement(classLikeDeclaration)) {
- error(node, ts.Diagnostics.super_can_only_be_referenced_in_a_derived_class);
- return errorType;
- }
- var classType = getDeclaredTypeOfSymbol(getSymbolOfNode(classLikeDeclaration));
- var baseClassType = classType && getBaseTypes(classType)[0];
- if (!baseClassType) {
- return errorType;
- }
- if (container.kind === 162 /* Constructor */ && isInConstructorArgumentInitializer(node, container)) {
- // issue custom error message for super property access in constructor arguments (to be aligned with old compiler)
- error(node, ts.Diagnostics.super_cannot_be_referenced_in_constructor_arguments);
- return errorType;
- }
- return nodeCheckFlag === 512 /* SuperStatic */
- ? getBaseConstructorTypeOfClass(classType)
- : getTypeWithThisArgument(baseClassType, classType.thisType);
- function isLegalUsageOfSuperExpression(container) {
- if (!container) {
- return false;
- }
- if (isCallExpression) {
- // TS 1.0 SPEC (April 2014): 4.8.1
- // Super calls are only permitted in constructors of derived classes
- return container.kind === 162 /* Constructor */;
- }
- else {
- // TS 1.0 SPEC (April 2014)
- // 'super' property access is allowed
- // - In a constructor, instance member function, instance member accessor, or instance member variable initializer where this references a derived class instance
- // - In a static member function or static member accessor
- // topmost container must be something that is directly nested in the class declaration\object literal expression
- if (ts.isClassLike(container.parent) || container.parent.kind === 193 /* ObjectLiteralExpression */) {
- if (ts.hasModifier(container, 32 /* Static */)) {
- return container.kind === 161 /* MethodDeclaration */ ||
- container.kind === 160 /* MethodSignature */ ||
- container.kind === 163 /* GetAccessor */ ||
- container.kind === 164 /* SetAccessor */;
- }
- else {
- return container.kind === 161 /* MethodDeclaration */ ||
- container.kind === 160 /* MethodSignature */ ||
- container.kind === 163 /* GetAccessor */ ||
- container.kind === 164 /* SetAccessor */ ||
- container.kind === 159 /* PropertyDeclaration */ ||
- container.kind === 158 /* PropertySignature */ ||
- container.kind === 162 /* Constructor */;
- }
- }
- }
- return false;
- }
- }
- function getContainingObjectLiteral(func) {
- return (func.kind === 161 /* MethodDeclaration */ ||
- func.kind === 163 /* GetAccessor */ ||
- func.kind === 164 /* SetAccessor */) && func.parent.kind === 193 /* ObjectLiteralExpression */ ? func.parent :
- func.kind === 201 /* FunctionExpression */ && func.parent.kind === 281 /* PropertyAssignment */ ? func.parent.parent :
- undefined;
- }
- function getThisTypeArgument(type) {
- return ts.getObjectFlags(type) & 4 /* Reference */ && type.target === globalThisType ? getTypeArguments(type)[0] : undefined;
- }
- function getThisTypeFromContextualType(type) {
- return mapType(type, function (t) {
- return t.flags & 2097152 /* Intersection */ ? ts.forEach(t.types, getThisTypeArgument) : getThisTypeArgument(t);
- });
- }
- function getContextualThisParameterType(func) {
- if (func.kind === 202 /* ArrowFunction */) {
- return undefined;
- }
- if (isContextSensitiveFunctionOrObjectLiteralMethod(func)) {
- var contextualSignature = getContextualSignature(func);
- if (contextualSignature) {
- var thisParameter = contextualSignature.thisParameter;
- if (thisParameter) {
- return getTypeOfSymbol(thisParameter);
- }
- }
- }
- var inJs = ts.isInJSFile(func);
- if (noImplicitThis || inJs) {
- var containingLiteral = getContainingObjectLiteral(func);
- if (containingLiteral) {
- // We have an object literal method. Check if the containing object literal has a contextual type
- // that includes a ThisType<T>. If so, T is the contextual type for 'this'. We continue looking in
- // any directly enclosing object literals.
- var contextualType = getApparentTypeOfContextualType(containingLiteral);
- var literal = containingLiteral;
- var type = contextualType;
- while (type) {
- var thisType = getThisTypeFromContextualType(type);
- if (thisType) {
- return instantiateType(thisType, getMapperFromContext(getInferenceContext(containingLiteral)));
- }
- if (literal.parent.kind !== 281 /* PropertyAssignment */) {
- break;
- }
- literal = literal.parent.parent;
- type = getApparentTypeOfContextualType(literal);
- }
- // There was no contextual ThisType<T> for the containing object literal, so the contextual type
- // for 'this' is the non-null form of the contextual type for the containing object literal or
- // the type of the object literal itself.
- return getWidenedType(contextualType ? getNonNullableType(contextualType) : checkExpressionCached(containingLiteral));
- }
- // In an assignment of the form 'obj.xxx = function(...)' or 'obj[xxx] = function(...)', the
- // contextual type for 'this' is 'obj'.
- var parent = ts.walkUpParenthesizedExpressions(func.parent);
- if (parent.kind === 209 /* BinaryExpression */ && parent.operatorToken.kind === 62 /* EqualsToken */) {
- var target = parent.left;
- if (ts.isAccessExpression(target)) {
- var expression = target.expression;
- // Don't contextually type `this` as `exports` in `exports.Point = function(x, y) { this.x = x; this.y = y; }`
- if (inJs && ts.isIdentifier(expression)) {
- var sourceFile = ts.getSourceFileOfNode(parent);
- if (sourceFile.commonJsModuleIndicator && getResolvedSymbol(expression) === sourceFile.symbol) {
- return undefined;
- }
- }
- return getWidenedType(checkExpressionCached(expression));
- }
- }
- }
- return undefined;
- }
- // Return contextual type of parameter or undefined if no contextual type is available
- function getContextuallyTypedParameterType(parameter) {
- var func = parameter.parent;
- if (!isContextSensitiveFunctionOrObjectLiteralMethod(func)) {
- return undefined;
- }
- var iife = ts.getImmediatelyInvokedFunctionExpression(func);
- if (iife && iife.arguments) {
- var args = getEffectiveCallArguments(iife);
- var indexOfParameter = func.parameters.indexOf(parameter);
- if (parameter.dotDotDotToken) {
- return getSpreadArgumentType(args, indexOfParameter, args.length, anyType, /*context*/ undefined);
- }
- var links = getNodeLinks(iife);
- var cached = links.resolvedSignature;
- links.resolvedSignature = anySignature;
- var type = indexOfParameter < args.length ?
- getWidenedLiteralType(checkExpression(args[indexOfParameter])) :
- parameter.initializer ? undefined : undefinedWideningType;
- links.resolvedSignature = cached;
- return type;
- }
- var contextualSignature = getContextualSignature(func);
- if (contextualSignature) {
- var index = func.parameters.indexOf(parameter) - (ts.getThisParameter(func) ? 1 : 0);
- return parameter.dotDotDotToken && ts.lastOrUndefined(func.parameters) === parameter ?
- getRestTypeAtPosition(contextualSignature, index) :
- tryGetTypeAtPosition(contextualSignature, index);
- }
- }
- function getContextualTypeForVariableLikeDeclaration(declaration) {
- var typeNode = ts.getEffectiveTypeAnnotationNode(declaration);
- if (typeNode) {
- return getTypeFromTypeNode(typeNode);
- }
- switch (declaration.kind) {
- case 156 /* Parameter */:
- return getContextuallyTypedParameterType(declaration);
- case 191 /* BindingElement */:
- return getContextualTypeForBindingElement(declaration);
- // By default, do nothing and return undefined - only parameters and binding elements have context implied by a parent
- }
- }
- function getContextualTypeForBindingElement(declaration) {
- var parent = declaration.parent.parent;
- var name = declaration.propertyName || declaration.name;
- var parentType = getContextualTypeForVariableLikeDeclaration(parent) ||
- parent.kind !== 191 /* BindingElement */ && parent.initializer && checkDeclarationInitializer(parent);
- if (parentType && !ts.isBindingPattern(name) && !ts.isComputedNonLiteralName(name)) {
- var nameType = getLiteralTypeFromPropertyName(name);
- if (isTypeUsableAsPropertyName(nameType)) {
- var text = getPropertyNameFromType(nameType);
- return getTypeOfPropertyOfType(parentType, text);
- }
- }
- }
- // In a variable, parameter or property declaration with a type annotation,
- // the contextual type of an initializer expression is the type of the variable, parameter or property.
- // Otherwise, in a parameter declaration of a contextually typed function expression,
- // the contextual type of an initializer expression is the contextual type of the parameter.
- // Otherwise, in a variable or parameter declaration with a binding pattern name,
- // the contextual type of an initializer expression is the type implied by the binding pattern.
- // Otherwise, in a binding pattern inside a variable or parameter declaration,
- // the contextual type of an initializer expression is the type annotation of the containing declaration, if present.
- function getContextualTypeForInitializerExpression(node) {
- var declaration = node.parent;
- if (ts.hasInitializer(declaration) && node === declaration.initializer) {
- var result = getContextualTypeForVariableLikeDeclaration(declaration);
- if (result) {
- return result;
- }
- if (ts.isBindingPattern(declaration.name)) { // This is less a contextual type and more an implied shape - in some cases, this may be undesirable
- return getTypeFromBindingPattern(declaration.name, /*includePatternInType*/ true, /*reportErrors*/ false);
- }
- }
- return undefined;
- }
- function getContextualTypeForReturnExpression(node) {
- var func = ts.getContainingFunction(node);
- if (func) {
- var functionFlags = ts.getFunctionFlags(func);
- if (functionFlags & 1 /* Generator */) { // AsyncGenerator function or Generator function
- return undefined;
- }
- var contextualReturnType = getContextualReturnType(func);
- if (contextualReturnType) {
- if (functionFlags & 2 /* Async */) { // Async function
- var contextualAwaitedType = mapType(contextualReturnType, getAwaitedTypeOfPromise);
- return contextualAwaitedType && getUnionType([contextualAwaitedType, createPromiseLikeType(contextualAwaitedType)]);
- }
- return contextualReturnType; // Regular function
- }
- }
- return undefined;
- }
- function getContextualTypeForAwaitOperand(node) {
- var contextualType = getContextualType(node);
- if (contextualType) {
- var contextualAwaitedType = getAwaitedType(contextualType);
- return contextualAwaitedType && getUnionType([contextualAwaitedType, createPromiseLikeType(contextualAwaitedType)]);
- }
- return undefined;
- }
- function getContextualTypeForYieldOperand(node) {
- var func = ts.getContainingFunction(node);
- if (func) {
- var functionFlags = ts.getFunctionFlags(func);
- var contextualReturnType = getContextualReturnType(func);
- if (contextualReturnType) {
- return node.asteriskToken
- ? contextualReturnType
- : getIterationTypeOfGeneratorFunctionReturnType(0 /* Yield */, contextualReturnType, (functionFlags & 2 /* Async */) !== 0);
- }
- }
- return undefined;
- }
- function isInParameterInitializerBeforeContainingFunction(node) {
- var inBindingInitializer = false;
- while (node.parent && !ts.isFunctionLike(node.parent)) {
- if (ts.isParameter(node.parent) && (inBindingInitializer || node.parent.initializer === node)) {
- return true;
- }
- if (ts.isBindingElement(node.parent) && node.parent.initializer === node) {
- inBindingInitializer = true;
- }
- node = node.parent;
- }
- return false;
- }
- function getContextualIterationType(kind, functionDecl) {
- var isAsync = !!(ts.getFunctionFlags(functionDecl) & 2 /* Async */);
- var contextualReturnType = getContextualReturnType(functionDecl);
- if (contextualReturnType) {
- return getIterationTypeOfGeneratorFunctionReturnType(kind, contextualReturnType, isAsync)
- || undefined;
- }
- return undefined;
- }
- function getContextualReturnType(functionDecl) {
- // If the containing function has a return type annotation, is a constructor, or is a get accessor whose
- // corresponding set accessor has a type annotation, return statements in the function are contextually typed
- var returnType = getReturnTypeFromAnnotation(functionDecl);
- if (returnType) {
- return returnType;
- }
- // Otherwise, if the containing function is contextually typed by a function type with exactly one call signature
- // and that call signature is non-generic, return statements are contextually typed by the return type of the signature
- var signature = getContextualSignatureForFunctionLikeDeclaration(functionDecl);
- if (signature && !isResolvingReturnTypeOfSignature(signature)) {
- return getReturnTypeOfSignature(signature);
- }
- return undefined;
- }
- // In a typed function call, an argument or substitution expression is contextually typed by the type of the corresponding parameter.
- function getContextualTypeForArgument(callTarget, arg) {
- var args = getEffectiveCallArguments(callTarget);
- var argIndex = args.indexOf(arg); // -1 for e.g. the expression of a CallExpression, or the tag of a TaggedTemplateExpression
- return argIndex === -1 ? undefined : getContextualTypeForArgumentAtIndex(callTarget, argIndex);
- }
- function getContextualTypeForArgumentAtIndex(callTarget, argIndex) {
- // If we're already in the process of resolving the given signature, don't resolve again as
- // that could cause infinite recursion. Instead, return anySignature.
- var signature = getNodeLinks(callTarget).resolvedSignature === resolvingSignature ? resolvingSignature : getResolvedSignature(callTarget);
- if (ts.isJsxOpeningLikeElement(callTarget) && argIndex === 0) {
- return getEffectiveFirstArgumentForJsxSignature(signature, callTarget);
- }
- return getTypeAtPosition(signature, argIndex);
- }
- function getContextualTypeForSubstitutionExpression(template, substitutionExpression) {
- if (template.parent.kind === 198 /* TaggedTemplateExpression */) {
- return getContextualTypeForArgument(template.parent, substitutionExpression);
- }
- return undefined;
- }
- function getContextualTypeForBinaryOperand(node, contextFlags) {
- var binaryExpression = node.parent;
- var left = binaryExpression.left, operatorToken = binaryExpression.operatorToken, right = binaryExpression.right;
- switch (operatorToken.kind) {
- case 62 /* EqualsToken */:
- if (node !== right) {
- return undefined;
- }
- var contextSensitive = getIsContextSensitiveAssignmentOrContextType(binaryExpression);
- if (!contextSensitive) {
- return undefined;
- }
- return contextSensitive === true ? getTypeOfExpression(left) : contextSensitive;
- case 56 /* BarBarToken */:
- case 60 /* QuestionQuestionToken */:
- // When an || expression has a contextual type, the operands are contextually typed by that type, except
- // when that type originates in a binding pattern, the right operand is contextually typed by the type of
- // the left operand. When an || expression has no contextual type, the right operand is contextually typed
- // by the type of the left operand, except for the special case of Javascript declarations of the form
- // `namespace.prop = namespace.prop || {}`.
- var type = getContextualType(binaryExpression, contextFlags);
- return node === right && (type && type.pattern || !type && !ts.isDefaultedExpandoInitializer(binaryExpression)) ?
- getTypeOfExpression(left) : type;
- case 55 /* AmpersandAmpersandToken */:
- case 27 /* CommaToken */:
- return node === right ? getContextualType(binaryExpression, contextFlags) : undefined;
- default:
- return undefined;
- }
- }
- // In an assignment expression, the right operand is contextually typed by the type of the left operand.
- // Don't do this for assignment declarations unless there is a type tag on the assignment, to avoid circularity from checking the right operand.
- function getIsContextSensitiveAssignmentOrContextType(binaryExpression) {
- var kind = ts.getAssignmentDeclarationKind(binaryExpression);
- switch (kind) {
- case 0 /* None */:
- return true;
- case 5 /* Property */:
- case 1 /* ExportsProperty */:
- case 6 /* Prototype */:
- case 3 /* PrototypeProperty */:
- // If `binaryExpression.left` was assigned a symbol, then this is a new declaration; otherwise it is an assignment to an existing declaration.
- // See `bindStaticPropertyAssignment` in `binder.ts`.
- if (!binaryExpression.left.symbol) {
- return true;
- }
- else {
- var decl = binaryExpression.left.symbol.valueDeclaration;
- if (!decl) {
- return false;
- }
- var lhs = ts.cast(binaryExpression.left, ts.isAccessExpression);
- var overallAnnotation = ts.getEffectiveTypeAnnotationNode(decl);
- if (overallAnnotation) {
- return getTypeFromTypeNode(overallAnnotation);
- }
- else if (ts.isIdentifier(lhs.expression)) {
- var id = lhs.expression;
- var parentSymbol = resolveName(id, id.escapedText, 111551 /* Value */, undefined, id.escapedText, /*isUse*/ true);
- if (parentSymbol) {
- var annotated = ts.getEffectiveTypeAnnotationNode(parentSymbol.valueDeclaration);
- if (annotated) {
- var nameStr_1 = ts.getElementOrPropertyAccessName(lhs);
- if (nameStr_1 !== undefined) {
- var type = getTypeOfPropertyOfContextualType(getTypeFromTypeNode(annotated), nameStr_1);
- return type || false;
- }
- }
- return false;
- }
- }
- return !ts.isInJSFile(decl);
- }
- case 2 /* ModuleExports */:
- case 4 /* ThisProperty */:
- if (!binaryExpression.symbol)
- return true;
- if (binaryExpression.symbol.valueDeclaration) {
- var annotated = ts.getEffectiveTypeAnnotationNode(binaryExpression.symbol.valueDeclaration);
- if (annotated) {
- var type = getTypeFromTypeNode(annotated);
- if (type) {
- return type;
- }
- }
- }
- if (kind === 2 /* ModuleExports */)
- return false;
- var thisAccess = ts.cast(binaryExpression.left, ts.isAccessExpression);
- if (!ts.isObjectLiteralMethod(ts.getThisContainer(thisAccess.expression, /*includeArrowFunctions*/ false))) {
- return false;
- }
- var thisType = checkThisExpression(thisAccess.expression);
- var nameStr = ts.getElementOrPropertyAccessName(thisAccess);
- return nameStr !== undefined && thisType && getTypeOfPropertyOfContextualType(thisType, nameStr) || false;
- case 7 /* ObjectDefinePropertyValue */:
- case 8 /* ObjectDefinePropertyExports */:
- case 9 /* ObjectDefinePrototypeProperty */:
- return ts.Debug.fail("Does not apply");
- default:
- return ts.Debug.assertNever(kind);
- }
- }
- function isCircularMappedProperty(symbol) {
- return !!(ts.getCheckFlags(symbol) & 262144 /* Mapped */ && !symbol.type && findResolutionCycleStartIndex(symbol, 0 /* Type */) >= 0);
- }
- function getTypeOfPropertyOfContextualType(type, name) {
- return mapType(type, function (t) {
- if (isGenericMappedType(t)) {
- var constraint = getConstraintTypeFromMappedType(t);
- var constraintOfConstraint = getBaseConstraintOfType(constraint) || constraint;
- var propertyNameType = getLiteralType(ts.unescapeLeadingUnderscores(name));
- if (isTypeAssignableTo(propertyNameType, constraintOfConstraint)) {
- return substituteIndexedMappedType(t, propertyNameType);
- }
- }
- else if (t.flags & 3670016 /* StructuredType */) {
- var prop = getPropertyOfType(t, name);
- if (prop) {
- return isCircularMappedProperty(prop) ? undefined : getTypeOfSymbol(prop);
- }
- if (isTupleType(t)) {
- var restType = getRestTypeOfTupleType(t);
- if (restType && isNumericLiteralName(name) && +name >= 0) {
- return restType;
- }
- }
- return isNumericLiteralName(name) && getIndexTypeOfContextualType(t, 1 /* Number */) ||
- getIndexTypeOfContextualType(t, 0 /* String */);
- }
- return undefined;
- }, /*noReductions*/ true);
- }
- function getIndexTypeOfContextualType(type, kind) {
- return mapType(type, function (t) { return getIndexTypeOfStructuredType(t, kind); }, /*noReductions*/ true);
- }
- // In an object literal contextually typed by a type T, the contextual type of a property assignment is the type of
- // the matching property in T, if one exists. Otherwise, it is the type of the numeric index signature in T, if one
- // exists. Otherwise, it is the type of the string index signature in T, if one exists.
- function getContextualTypeForObjectLiteralMethod(node, contextFlags) {
- ts.Debug.assert(ts.isObjectLiteralMethod(node));
- if (node.flags & 16777216 /* InWithStatement */) {
- // We cannot answer semantic questions within a with block, do not proceed any further
- return undefined;
- }
- return getContextualTypeForObjectLiteralElement(node, contextFlags);
- }
- function getContextualTypeForObjectLiteralElement(element, contextFlags) {
- var objectLiteral = element.parent;
- var type = getApparentTypeOfContextualType(objectLiteral, contextFlags);
- if (type) {
- if (!hasNonBindableDynamicName(element)) {
- // For a (non-symbol) computed property, there is no reason to look up the name
- // in the type. It will just be "__computed", which does not appear in any
- // SymbolTable.
- var symbolName_3 = getSymbolOfNode(element).escapedName;
- var propertyType = getTypeOfPropertyOfContextualType(type, symbolName_3);
- if (propertyType) {
- return propertyType;
- }
- }
- return isNumericName(element.name) && getIndexTypeOfContextualType(type, 1 /* Number */) ||
- getIndexTypeOfContextualType(type, 0 /* String */);
- }
- return undefined;
- }
- // In an array literal contextually typed by a type T, the contextual type of an element expression at index N is
- // the type of the property with the numeric name N in T, if one exists. Otherwise, if T has a numeric index signature,
- // it is the type of the numeric index signature in T. Otherwise, in ES6 and higher, the contextual type is the iterated
- // type of T.
- function getContextualTypeForElementExpression(arrayContextualType, index) {
- return arrayContextualType && (getTypeOfPropertyOfContextualType(arrayContextualType, "" + index)
- || getIteratedTypeOrElementType(1 /* Element */, arrayContextualType, undefinedType, /*errorNode*/ undefined, /*checkAssignability*/ false));
- }
- // In a contextually typed conditional expression, the true/false expressions are contextually typed by the same type.
- function getContextualTypeForConditionalOperand(node, contextFlags) {
- var conditional = node.parent;
- return node === conditional.whenTrue || node === conditional.whenFalse ? getContextualType(conditional, contextFlags) : undefined;
- }
- function getContextualTypeForChildJsxExpression(node, child) {
- var attributesType = getApparentTypeOfContextualType(node.openingElement.tagName);
- // JSX expression is in children of JSX Element, we will look for an "children" atttribute (we get the name from JSX.ElementAttributesProperty)
- var jsxChildrenPropertyName = getJsxElementChildrenPropertyName(getJsxNamespaceAt(node));
- if (!(attributesType && !isTypeAny(attributesType) && jsxChildrenPropertyName && jsxChildrenPropertyName !== "")) {
- return undefined;
- }
- var realChildren = getSemanticJsxChildren(node.children);
- var childIndex = realChildren.indexOf(child);
- var childFieldType = getTypeOfPropertyOfContextualType(attributesType, jsxChildrenPropertyName);
- return childFieldType && (realChildren.length === 1 ? childFieldType : mapType(childFieldType, function (t) {
- if (isArrayLikeType(t)) {
- return getIndexedAccessType(t, getLiteralType(childIndex));
- }
- else {
- return t;
- }
- }, /*noReductions*/ true));
- }
- function getContextualTypeForJsxExpression(node) {
- var exprParent = node.parent;
- return ts.isJsxAttributeLike(exprParent)
- ? getContextualType(node)
- : ts.isJsxElement(exprParent)
- ? getContextualTypeForChildJsxExpression(exprParent, node)
- : undefined;
- }
- function getContextualTypeForJsxAttribute(attribute) {
- // When we trying to resolve JsxOpeningLikeElement as a stateless function element, we will already give its attributes a contextual type
- // which is a type of the parameter of the signature we are trying out.
- // If there is no contextual type (e.g. we are trying to resolve stateful component), get attributes type from resolving element's tagName
- if (ts.isJsxAttribute(attribute)) {
- var attributesType = getApparentTypeOfContextualType(attribute.parent);
- if (!attributesType || isTypeAny(attributesType)) {
- return undefined;
- }
- return getTypeOfPropertyOfContextualType(attributesType, attribute.name.escapedText);
- }
- else {
- return getContextualType(attribute.parent);
- }
- }
- // Return true if the given expression is possibly a discriminant value. We limit the kinds of
- // expressions we check to those that don't depend on their contextual type in order not to cause
- // recursive (and possibly infinite) invocations of getContextualType.
- function isPossiblyDiscriminantValue(node) {
- switch (node.kind) {
- case 10 /* StringLiteral */:
- case 8 /* NumericLiteral */:
- case 9 /* BigIntLiteral */:
- case 14 /* NoSubstitutionTemplateLiteral */:
- case 106 /* TrueKeyword */:
- case 91 /* FalseKeyword */:
- case 100 /* NullKeyword */:
- case 75 /* Identifier */:
- case 146 /* UndefinedKeyword */:
- return true;
- case 194 /* PropertyAccessExpression */:
- case 200 /* ParenthesizedExpression */:
- return isPossiblyDiscriminantValue(node.expression);
- case 276 /* JsxExpression */:
- return !node.expression || isPossiblyDiscriminantValue(node.expression);
- }
- return false;
- }
- function discriminateContextualTypeByObjectMembers(node, contextualType) {
- return discriminateTypeByDiscriminableItems(contextualType, ts.map(ts.filter(node.properties, function (p) { return !!p.symbol && p.kind === 281 /* PropertyAssignment */ && isPossiblyDiscriminantValue(p.initializer) && isDiscriminantProperty(contextualType, p.symbol.escapedName); }), function (prop) { return [function () { return checkExpression(prop.initializer); }, prop.symbol.escapedName]; }), isTypeAssignableTo, contextualType);
- }
- function discriminateContextualTypeByJSXAttributes(node, contextualType) {
- return discriminateTypeByDiscriminableItems(contextualType, ts.map(ts.filter(node.properties, function (p) { return !!p.symbol && p.kind === 273 /* JsxAttribute */ && isDiscriminantProperty(contextualType, p.symbol.escapedName) && (!p.initializer || isPossiblyDiscriminantValue(p.initializer)); }), function (prop) { return [!prop.initializer ? (function () { return trueType; }) : (function () { return checkExpression(prop.initializer); }), prop.symbol.escapedName]; }), isTypeAssignableTo, contextualType);
- }
- // Return the contextual type for a given expression node. During overload resolution, a contextual type may temporarily
- // be "pushed" onto a node using the contextualType property.
- function getApparentTypeOfContextualType(node, contextFlags) {
- var contextualType = ts.isObjectLiteralMethod(node) ?
- getContextualTypeForObjectLiteralMethod(node, contextFlags) :
- getContextualType(node, contextFlags);
- var instantiatedType = instantiateContextualType(contextualType, node, contextFlags);
- if (instantiatedType && !(contextFlags && contextFlags & 2 /* NoConstraints */ && instantiatedType.flags & 8650752 /* TypeVariable */)) {
- var apparentType = mapType(instantiatedType, getApparentType, /*noReductions*/ true);
- if (apparentType.flags & 1048576 /* Union */) {
- if (ts.isObjectLiteralExpression(node)) {
- return discriminateContextualTypeByObjectMembers(node, apparentType);
- }
- else if (ts.isJsxAttributes(node)) {
- return discriminateContextualTypeByJSXAttributes(node, apparentType);
- }
- }
- return apparentType;
- }
- }
- // If the given contextual type contains instantiable types and if a mapper representing
- // return type inferences is available, instantiate those types using that mapper.
- function instantiateContextualType(contextualType, node, contextFlags) {
- if (contextualType && maybeTypeOfKind(contextualType, 63176704 /* Instantiable */)) {
- var inferenceContext = getInferenceContext(node);
- // If no inferences have been made, nothing is gained from instantiating as type parameters
- // would just be replaced with their defaults similar to the apparent type.
- if (inferenceContext && ts.some(inferenceContext.inferences, hasInferenceCandidates)) {
- // For contextual signatures we incorporate all inferences made so far, e.g. from return
- // types as well as arguments to the left in a function call.
- if (contextFlags && contextFlags & 1 /* Signature */) {
- return instantiateInstantiableTypes(contextualType, inferenceContext.nonFixingMapper);
- }
- // For other purposes (e.g. determining whether to produce literal types) we only
- // incorporate inferences made from the return type in a function call.
- if (inferenceContext.returnMapper) {
- return instantiateInstantiableTypes(contextualType, inferenceContext.returnMapper);
- }
- }
- }
- return contextualType;
- }
- // This function is similar to instantiateType, except that (a) it only instantiates types that
- // are classified as instantiable (i.e. it doesn't instantiate object types), and (b) it performs
- // no reductions on instantiated union types.
- function instantiateInstantiableTypes(type, mapper) {
- if (type.flags & 63176704 /* Instantiable */) {
- return instantiateType(type, mapper);
- }
- if (type.flags & 1048576 /* Union */) {
- return getUnionType(ts.map(type.types, function (t) { return instantiateInstantiableTypes(t, mapper); }), 0 /* None */);
- }
- if (type.flags & 2097152 /* Intersection */) {
- return getIntersectionType(ts.map(type.types, function (t) { return instantiateInstantiableTypes(t, mapper); }));
- }
- return type;
- }
- /**
- * Whoa! Do you really want to use this function?
- *
- * Unless you're trying to get the *non-apparent* type for a
- * value-literal type or you're authoring relevant portions of this algorithm,
- * you probably meant to use 'getApparentTypeOfContextualType'.
- * Otherwise this may not be very useful.
- *
- * In cases where you *are* working on this function, you should understand
- * when it is appropriate to use 'getContextualType' and 'getApparentTypeOfContextualType'.
- *
- * - Use 'getContextualType' when you are simply going to propagate the result to the expression.
- * - Use 'getApparentTypeOfContextualType' when you're going to need the members of the type.
- *
- * @param node the expression whose contextual type will be returned.
- * @returns the contextual type of an expression.
- */
- function getContextualType(node, contextFlags) {
- if (node.flags & 16777216 /* InWithStatement */) {
- // We cannot answer semantic questions within a with block, do not proceed any further
- return undefined;
- }
- if (node.contextualType) {
- return node.contextualType;
- }
- var parent = node.parent;
- switch (parent.kind) {
- case 242 /* VariableDeclaration */:
- case 156 /* Parameter */:
- case 159 /* PropertyDeclaration */:
- case 158 /* PropertySignature */:
- case 191 /* BindingElement */:
- return getContextualTypeForInitializerExpression(node);
- case 202 /* ArrowFunction */:
- case 235 /* ReturnStatement */:
- return getContextualTypeForReturnExpression(node);
- case 212 /* YieldExpression */:
- return getContextualTypeForYieldOperand(parent);
- case 206 /* AwaitExpression */:
- return getContextualTypeForAwaitOperand(parent);
- case 196 /* CallExpression */:
- if (parent.expression.kind === 96 /* ImportKeyword */) {
- return stringType;
- }
- /* falls through */
- case 197 /* NewExpression */:
- return getContextualTypeForArgument(parent, node);
- case 199 /* TypeAssertionExpression */:
- case 217 /* AsExpression */:
- return ts.isConstTypeReference(parent.type) ? undefined : getTypeFromTypeNode(parent.type);
- case 209 /* BinaryExpression */:
- return getContextualTypeForBinaryOperand(node, contextFlags);
- case 281 /* PropertyAssignment */:
- case 282 /* ShorthandPropertyAssignment */:
- return getContextualTypeForObjectLiteralElement(parent, contextFlags);
- case 283 /* SpreadAssignment */:
- return getApparentTypeOfContextualType(parent.parent, contextFlags);
- case 192 /* ArrayLiteralExpression */: {
- var arrayLiteral = parent;
- var type = getApparentTypeOfContextualType(arrayLiteral, contextFlags);
- return getContextualTypeForElementExpression(type, ts.indexOfNode(arrayLiteral.elements, node));
- }
- case 210 /* ConditionalExpression */:
- return getContextualTypeForConditionalOperand(node, contextFlags);
- case 221 /* TemplateSpan */:
- ts.Debug.assert(parent.parent.kind === 211 /* TemplateExpression */);
- return getContextualTypeForSubstitutionExpression(parent.parent, node);
- case 200 /* ParenthesizedExpression */: {
- // Like in `checkParenthesizedExpression`, an `/** @type {xyz} */` comment before a parenthesized expression acts as a type cast.
- var tag = ts.isInJSFile(parent) ? ts.getJSDocTypeTag(parent) : undefined;
- return tag ? getTypeFromTypeNode(tag.typeExpression.type) : getContextualType(parent, contextFlags);
- }
- case 276 /* JsxExpression */:
- return getContextualTypeForJsxExpression(parent);
- case 273 /* JsxAttribute */:
- case 275 /* JsxSpreadAttribute */:
- return getContextualTypeForJsxAttribute(parent);
- case 268 /* JsxOpeningElement */:
- case 267 /* JsxSelfClosingElement */:
- return getContextualJsxElementAttributesType(parent, contextFlags);
- }
- return undefined;
- }
- function getInferenceContext(node) {
- var ancestor = ts.findAncestor(node, function (n) { return !!n.inferenceContext; });
- return ancestor && ancestor.inferenceContext;
- }
- function getContextualJsxElementAttributesType(node, contextFlags) {
- if (ts.isJsxOpeningElement(node) && node.parent.contextualType && contextFlags !== 4 /* Completions */) {
- // Contextually applied type is moved from attributes up to the outer jsx attributes so when walking up from the children they get hit
- // _However_ to hit them from the _attributes_ we must look for them here; otherwise we'll used the declared type
- // (as below) instead!
- return node.parent.contextualType;
- }
- return getContextualTypeForArgumentAtIndex(node, 0);
- }
- function getEffectiveFirstArgumentForJsxSignature(signature, node) {
- return getJsxReferenceKind(node) !== 0 /* Component */
- ? getJsxPropsTypeFromCallSignature(signature, node)
- : getJsxPropsTypeFromClassType(signature, node);
- }
- function getJsxPropsTypeFromCallSignature(sig, context) {
- var propsType = getTypeOfFirstParameterOfSignatureWithFallback(sig, unknownType);
- propsType = getJsxManagedAttributesFromLocatedAttributes(context, getJsxNamespaceAt(context), propsType);
- var intrinsicAttribs = getJsxType(JsxNames.IntrinsicAttributes, context);
- if (intrinsicAttribs !== errorType) {
- propsType = intersectTypes(intrinsicAttribs, propsType);
- }
- return propsType;
- }
- function getJsxPropsTypeForSignatureFromMember(sig, forcedLookupLocation) {
- if (sig.unionSignatures) {
- // JSX Elements using the legacy `props`-field based lookup (eg, react class components) need to treat the `props` member as an input
- // instead of an output position when resolving the signature. We need to go back to the input signatures of the composite signature,
- // get the type of `props` on each return type individually, and then _intersect them_, rather than union them (as would normally occur
- // for a union signature). It's an unfortunate quirk of looking in the output of the signature for the type we want to use for the input.
- // The default behavior of `getTypeOfFirstParameterOfSignatureWithFallback` when no `props` member name is defined is much more sane.
- var results = [];
- for (var _i = 0, _a = sig.unionSignatures; _i < _a.length; _i++) {
- var signature = _a[_i];
- var instance = getReturnTypeOfSignature(signature);
- if (isTypeAny(instance)) {
- return instance;
- }
- var propType = getTypeOfPropertyOfType(instance, forcedLookupLocation);
- if (!propType) {
- return;
- }
- results.push(propType);
- }
- return getIntersectionType(results);
- }
- var instanceType = getReturnTypeOfSignature(sig);
- return isTypeAny(instanceType) ? instanceType : getTypeOfPropertyOfType(instanceType, forcedLookupLocation);
- }
- function getStaticTypeOfReferencedJsxConstructor(context) {
- if (isJsxIntrinsicIdentifier(context.tagName)) {
- var result = getIntrinsicAttributesTypeFromJsxOpeningLikeElement(context);
- var fakeSignature = createSignatureForJSXIntrinsic(context, result);
- return getOrCreateTypeFromSignature(fakeSignature);
- }
- var tagType = checkExpressionCached(context.tagName);
- if (tagType.flags & 128 /* StringLiteral */) {
- var result = getIntrinsicAttributesTypeFromStringLiteralType(tagType, context);
- if (!result) {
- return errorType;
- }
- var fakeSignature = createSignatureForJSXIntrinsic(context, result);
- return getOrCreateTypeFromSignature(fakeSignature);
- }
- return tagType;
- }
- function getJsxManagedAttributesFromLocatedAttributes(context, ns, attributesType) {
- var managedSym = getJsxLibraryManagedAttributes(ns);
- if (managedSym) {
- var declaredManagedType = getDeclaredTypeOfSymbol(managedSym);
- var ctorType = getStaticTypeOfReferencedJsxConstructor(context);
- if (ts.length(declaredManagedType.typeParameters) >= 2) {
- var args = fillMissingTypeArguments([ctorType, attributesType], declaredManagedType.typeParameters, 2, ts.isInJSFile(context));
- return createTypeReference(declaredManagedType, args);
- }
- else if (ts.length(declaredManagedType.aliasTypeArguments) >= 2) {
- var args = fillMissingTypeArguments([ctorType, attributesType], declaredManagedType.aliasTypeArguments, 2, ts.isInJSFile(context));
- return getTypeAliasInstantiation(declaredManagedType.aliasSymbol, args);
- }
- }
- return attributesType;
- }
- function getJsxPropsTypeFromClassType(sig, context) {
- var ns = getJsxNamespaceAt(context);
- var forcedLookupLocation = getJsxElementPropertiesName(ns);
- var attributesType = forcedLookupLocation === undefined
- // If there is no type ElementAttributesProperty, return the type of the first parameter of the signature, which should be the props type
- ? getTypeOfFirstParameterOfSignatureWithFallback(sig, unknownType)
- : forcedLookupLocation === ""
- // If there is no e.g. 'props' member in ElementAttributesProperty, use the element class type instead
- ? getReturnTypeOfSignature(sig)
- // Otherwise get the type of the property on the signature return type
- : getJsxPropsTypeForSignatureFromMember(sig, forcedLookupLocation);
- if (!attributesType) {
- // There is no property named 'props' on this instance type
- if (!!forcedLookupLocation && !!ts.length(context.attributes.properties)) {
- error(context, ts.Diagnostics.JSX_element_class_does_not_support_attributes_because_it_does_not_have_a_0_property, ts.unescapeLeadingUnderscores(forcedLookupLocation));
- }
- return unknownType;
- }
- attributesType = getJsxManagedAttributesFromLocatedAttributes(context, ns, attributesType);
- if (isTypeAny(attributesType)) {
- // Props is of type 'any' or unknown
- return attributesType;
- }
- else {
- // Normal case -- add in IntrinsicClassElements<T> and IntrinsicElements
- var apparentAttributesType = attributesType;
- var intrinsicClassAttribs = getJsxType(JsxNames.IntrinsicClassAttributes, context);
- if (intrinsicClassAttribs !== errorType) {
- var typeParams = getLocalTypeParametersOfClassOrInterfaceOrTypeAlias(intrinsicClassAttribs.symbol);
- var hostClassType = getReturnTypeOfSignature(sig);
- apparentAttributesType = intersectTypes(typeParams
- ? createTypeReference(intrinsicClassAttribs, fillMissingTypeArguments([hostClassType], typeParams, getMinTypeArgumentCount(typeParams), ts.isInJSFile(context)))
- : intrinsicClassAttribs, apparentAttributesType);
- }
- var intrinsicAttribs = getJsxType(JsxNames.IntrinsicAttributes, context);
- if (intrinsicAttribs !== errorType) {
- apparentAttributesType = intersectTypes(intrinsicAttribs, apparentAttributesType);
- }
- return apparentAttributesType;
- }
- }
- // If the given type is an object or union type with a single signature, and if that signature has at
- // least as many parameters as the given function, return the signature. Otherwise return undefined.
- function getContextualCallSignature(type, node) {
- var signatures = getSignaturesOfType(type, 0 /* Call */);
- if (signatures.length === 1) {
- var signature = signatures[0];
- if (!isAritySmaller(signature, node)) {
- return signature;
- }
- }
- }
- /** If the contextual signature has fewer parameters than the function expression, do not use it */
- function isAritySmaller(signature, target) {
- var targetParameterCount = 0;
- for (; targetParameterCount < target.parameters.length; targetParameterCount++) {
- var param = target.parameters[targetParameterCount];
- if (param.initializer || param.questionToken || param.dotDotDotToken || isJSDocOptionalParameter(param)) {
- break;
- }
- }
- if (target.parameters.length && ts.parameterIsThisKeyword(target.parameters[0])) {
- targetParameterCount--;
- }
- return !hasEffectiveRestParameter(signature) && getParameterCount(signature) < targetParameterCount;
- }
- function isFunctionExpressionOrArrowFunction(node) {
- return node.kind === 201 /* FunctionExpression */ || node.kind === 202 /* ArrowFunction */;
- }
- function getContextualSignatureForFunctionLikeDeclaration(node) {
- // Only function expressions, arrow functions, and object literal methods are contextually typed.
- return isFunctionExpressionOrArrowFunction(node) || ts.isObjectLiteralMethod(node)
- ? getContextualSignature(node)
- : undefined;
- }
- // Return the contextual signature for a given expression node. A contextual type provides a
- // contextual signature if it has a single call signature and if that call signature is non-generic.
- // If the contextual type is a union type, get the signature from each type possible and if they are
- // all identical ignoring their return type, the result is same signature but with return type as
- // union type of return types from these signatures
- function getContextualSignature(node) {
- ts.Debug.assert(node.kind !== 161 /* MethodDeclaration */ || ts.isObjectLiteralMethod(node));
- var typeTagSignature = getSignatureOfTypeTag(node);
- if (typeTagSignature) {
- return typeTagSignature;
- }
- var type = getApparentTypeOfContextualType(node, 1 /* Signature */);
- if (!type) {
- return undefined;
- }
- if (!(type.flags & 1048576 /* Union */)) {
- return getContextualCallSignature(type, node);
- }
- var signatureList;
- var types = type.types;
- for (var _i = 0, types_17 = types; _i < types_17.length; _i++) {
- var current = types_17[_i];
- var signature = getContextualCallSignature(current, node);
- if (signature) {
- if (!signatureList) {
- // This signature will contribute to contextual union signature
- signatureList = [signature];
- }
- else if (!compareSignaturesIdentical(signatureList[0], signature, /*partialMatch*/ false, /*ignoreThisTypes*/ true, /*ignoreReturnTypes*/ true, compareTypesIdentical)) {
- // Signatures aren't identical, do not use
- return undefined;
- }
- else {
- // Use this signature for contextual union signature
- signatureList.push(signature);
- }
- }
- }
- // Result is union of signatures collected (return type is union of return types of this signature set)
- if (signatureList) {
- return signatureList.length === 1 ? signatureList[0] : createUnionSignature(signatureList[0], signatureList);
- }
- }
- function checkSpreadExpression(node, checkMode) {
- if (languageVersion < 2 /* ES2015 */) {
- checkExternalEmitHelpers(node, compilerOptions.downlevelIteration ? 1536 /* SpreadIncludes */ : 2048 /* SpreadArrays */);
- }
- var arrayOrIterableType = checkExpression(node.expression, checkMode);
- return checkIteratedTypeOrElementType(33 /* Spread */, arrayOrIterableType, undefinedType, node.expression);
- }
- function hasDefaultValue(node) {
- return (node.kind === 191 /* BindingElement */ && !!node.initializer) ||
- (node.kind === 209 /* BinaryExpression */ && node.operatorToken.kind === 62 /* EqualsToken */);
- }
- function checkArrayLiteral(node, checkMode, forceTuple) {
- var elements = node.elements;
- var elementCount = elements.length;
- var elementTypes = [];
- var hasEndingSpreadElement = false;
- var hasNonEndingSpreadElement = false;
- var contextualType = getApparentTypeOfContextualType(node);
- var inDestructuringPattern = ts.isAssignmentTarget(node);
- var inConstContext = isConstContext(node);
- for (var i = 0; i < elementCount; i++) {
- var e = elements[i];
- var spread = e.kind === 213 /* SpreadElement */ && e.expression;
- var spreadType = spread && checkExpression(spread, checkMode, forceTuple);
- if (spreadType && isTupleType(spreadType)) {
- elementTypes.push.apply(elementTypes, getTypeArguments(spreadType));
- if (spreadType.target.hasRestElement) {
- if (i === elementCount - 1)
- hasEndingSpreadElement = true;
- else
- hasNonEndingSpreadElement = true;
- }
- }
- else {
- if (inDestructuringPattern && spreadType) {
- // Given the following situation:
- // var c: {};
- // [...c] = ["", 0];
- //
- // c is represented in the tree as a spread element in an array literal.
- // But c really functions as a rest element, and its purpose is to provide
- // a contextual type for the right hand side of the assignment. Therefore,
- // instead of calling checkExpression on "...c", which will give an error
- // if c is not iterable/array-like, we need to act as if we are trying to
- // get the contextual element type from it. So we do something similar to
- // getContextualTypeForElementExpression, which will crucially not error
- // if there is no index type / iterated type.
- var restElementType = getIndexTypeOfType(spreadType, 1 /* Number */) ||
- getIteratedTypeOrElementType(65 /* Destructuring */, spreadType, undefinedType, /*errorNode*/ undefined, /*checkAssignability*/ false);
- if (restElementType) {
- elementTypes.push(restElementType);
- }
- }
- else {
- var elementContextualType = getContextualTypeForElementExpression(contextualType, elementTypes.length);
- var type = checkExpressionForMutableLocation(e, checkMode, elementContextualType, forceTuple);
- elementTypes.push(type);
- }
- if (spread) { // tuples are done above, so these are only arrays
- if (i === elementCount - 1)
- hasEndingSpreadElement = true;
- else
- hasNonEndingSpreadElement = true;
- }
- }
- }
- if (!hasNonEndingSpreadElement) {
- var minLength = elementTypes.length - (hasEndingSpreadElement ? 1 : 0);
- // If array literal is actually a destructuring pattern, mark it as an implied type. We do this such
- // that we get the same behavior for "var [x, y] = []" and "[x, y] = []".
- var tupleResult = void 0;
- if (inDestructuringPattern && minLength > 0) {
- var type = cloneTypeReference(createTupleType(elementTypes, minLength, hasEndingSpreadElement));
- type.pattern = node;
- return type;
- }
- else if (tupleResult = getArrayLiteralTupleTypeIfApplicable(elementTypes, contextualType, hasEndingSpreadElement, elementTypes.length, inConstContext)) {
- return createArrayLiteralType(tupleResult);
- }
- else if (forceTuple) {
- return createArrayLiteralType(createTupleType(elementTypes, minLength, hasEndingSpreadElement));
- }
- }
- return createArrayLiteralType(createArrayType(elementTypes.length ?
- getUnionType(elementTypes, 2 /* Subtype */) :
- strictNullChecks ? implicitNeverType : undefinedWideningType, inConstContext));
- }
- function createArrayLiteralType(type) {
- if (!(ts.getObjectFlags(type) & 4 /* Reference */)) {
- return type;
- }
- var literalType = type.literalType;
- if (!literalType) {
- literalType = type.literalType = cloneTypeReference(type);
- literalType.objectFlags |= 65536 /* ArrayLiteral */ | 1048576 /* ContainsObjectOrArrayLiteral */;
- }
- return literalType;
- }
- function getArrayLiteralTupleTypeIfApplicable(elementTypes, contextualType, hasRestElement, elementCount, readonly) {
- if (elementCount === void 0) { elementCount = elementTypes.length; }
- if (readonly === void 0) { readonly = false; }
- // Infer a tuple type when the contextual type is or contains a tuple-like type
- if (readonly || (contextualType && forEachType(contextualType, isTupleLikeType))) {
- return createTupleType(elementTypes, elementCount - (hasRestElement ? 1 : 0), hasRestElement, readonly);
- }
- }
- function isNumericName(name) {
- switch (name.kind) {
- case 154 /* ComputedPropertyName */:
- return isNumericComputedName(name);
- case 75 /* Identifier */:
- return isNumericLiteralName(name.escapedText);
- case 8 /* NumericLiteral */:
- case 10 /* StringLiteral */:
- return isNumericLiteralName(name.text);
- default:
- return false;
- }
- }
- function isNumericComputedName(name) {
- // It seems odd to consider an expression of type Any to result in a numeric name,
- // but this behavior is consistent with checkIndexedAccess
- return isTypeAssignableToKind(checkComputedPropertyName(name), 296 /* NumberLike */);
- }
- function isInfinityOrNaNString(name) {
- return name === "Infinity" || name === "-Infinity" || name === "NaN";
- }
- function isNumericLiteralName(name) {
- // The intent of numeric names is that
- // - they are names with text in a numeric form, and that
- // - setting properties/indexing with them is always equivalent to doing so with the numeric literal 'numLit',
- // acquired by applying the abstract 'ToNumber' operation on the name's text.
- //
- // The subtlety is in the latter portion, as we cannot reliably say that anything that looks like a numeric literal is a numeric name.
- // In fact, it is the case that the text of the name must be equal to 'ToString(numLit)' for this to hold.
- //
- // Consider the property name '"0xF00D"'. When one indexes with '0xF00D', they are actually indexing with the value of 'ToString(0xF00D)'
- // according to the ECMAScript specification, so it is actually as if the user indexed with the string '"61453"'.
- // Thus, the text of all numeric literals equivalent to '61543' such as '0xF00D', '0xf00D', '0170015', etc. are not valid numeric names
- // because their 'ToString' representation is not equal to their original text.
- // This is motivated by ECMA-262 sections 9.3.1, 9.8.1, 11.1.5, and 11.2.1.
- //
- // Here, we test whether 'ToString(ToNumber(name))' is exactly equal to 'name'.
- // The '+' prefix operator is equivalent here to applying the abstract ToNumber operation.
- // Applying the 'toString()' method on a number gives us the abstract ToString operation on a number.
- //
- // Note that this accepts the values 'Infinity', '-Infinity', and 'NaN', and that this is intentional.
- // This is desired behavior, because when indexing with them as numeric entities, you are indexing
- // with the strings '"Infinity"', '"-Infinity"', and '"NaN"' respectively.
- return (+name).toString() === name;
- }
- function checkComputedPropertyName(node) {
- var links = getNodeLinks(node.expression);
- if (!links.resolvedType) {
- links.resolvedType = checkExpression(node.expression);
- // This will allow types number, string, symbol or any. It will also allow enums, the unknown
- // type, and any union of these types (like string | number).
- if (links.resolvedType.flags & 98304 /* Nullable */ ||
- !isTypeAssignableToKind(links.resolvedType, 132 /* StringLike */ | 296 /* NumberLike */ | 12288 /* ESSymbolLike */) &&
- !isTypeAssignableTo(links.resolvedType, stringNumberSymbolType)) {
- error(node, ts.Diagnostics.A_computed_property_name_must_be_of_type_string_number_symbol_or_any);
- }
- else {
- checkThatExpressionIsProperSymbolReference(node.expression, links.resolvedType, /*reportError*/ true);
- }
- }
- return links.resolvedType;
- }
- function getObjectLiteralIndexInfo(node, offset, properties, kind) {
- var propTypes = [];
- for (var i = 0; i < properties.length; i++) {
- if (kind === 0 /* String */ || isNumericName(node.properties[i + offset].name)) {
- propTypes.push(getTypeOfSymbol(properties[i]));
- }
- }
- var unionType = propTypes.length ? getUnionType(propTypes, 2 /* Subtype */) : undefinedType;
- return createIndexInfo(unionType, isConstContext(node));
- }
- function getImmediateAliasedSymbol(symbol) {
- ts.Debug.assert((symbol.flags & 2097152 /* Alias */) !== 0, "Should only get Alias here.");
- var links = getSymbolLinks(symbol);
- if (!links.immediateTarget) {
- var node = getDeclarationOfAliasSymbol(symbol);
- if (!node)
- return ts.Debug.fail();
- links.immediateTarget = getTargetOfAliasDeclaration(node, /*dontRecursivelyResolve*/ true);
- }
- return links.immediateTarget;
- }
- function checkObjectLiteral(node, checkMode) {
- var inDestructuringPattern = ts.isAssignmentTarget(node);
- // Grammar checking
- checkGrammarObjectLiteralExpression(node, inDestructuringPattern);
- var allPropertiesTable = strictNullChecks ? ts.createSymbolTable() : undefined;
- var propertiesTable = ts.createSymbolTable();
- var propertiesArray = [];
- var spread = emptyObjectType;
- var contextualType = getApparentTypeOfContextualType(node);
- var contextualTypeHasPattern = contextualType && contextualType.pattern &&
- (contextualType.pattern.kind === 189 /* ObjectBindingPattern */ || contextualType.pattern.kind === 193 /* ObjectLiteralExpression */);
- var inConstContext = isConstContext(node);
- var checkFlags = inConstContext ? 8 /* Readonly */ : 0;
- var isInJavascript = ts.isInJSFile(node) && !ts.isInJsonFile(node);
- var enumTag = ts.getJSDocEnumTag(node);
- var isJSObjectLiteral = !contextualType && isInJavascript && !enumTag;
- var objectFlags = freshObjectLiteralFlag;
- var patternWithComputedProperties = false;
- var hasComputedStringProperty = false;
- var hasComputedNumberProperty = false;
- // Spreads may cause an early bail; ensure computed names are always checked (this is cached)
- // As otherwise they may not be checked until exports for the type at this position are retrieved,
- // which may never occur.
- for (var _i = 0, _a = node.properties; _i < _a.length; _i++) {
- var elem = _a[_i];
- if (elem.name && ts.isComputedPropertyName(elem.name) && !ts.isWellKnownSymbolSyntactically(elem.name)) {
- checkComputedPropertyName(elem.name);
- }
- }
- var offset = 0;
- for (var i = 0; i < node.properties.length; i++) {
- var memberDecl = node.properties[i];
- var member = getSymbolOfNode(memberDecl);
- var computedNameType = memberDecl.name && memberDecl.name.kind === 154 /* ComputedPropertyName */ && !ts.isWellKnownSymbolSyntactically(memberDecl.name.expression) ?
- checkComputedPropertyName(memberDecl.name) : undefined;
- if (memberDecl.kind === 281 /* PropertyAssignment */ ||
- memberDecl.kind === 282 /* ShorthandPropertyAssignment */ ||
- ts.isObjectLiteralMethod(memberDecl)) {
- var type = memberDecl.kind === 281 /* PropertyAssignment */ ? checkPropertyAssignment(memberDecl, checkMode) :
- memberDecl.kind === 282 /* ShorthandPropertyAssignment */ ? checkExpressionForMutableLocation(memberDecl.name, checkMode) :
- checkObjectLiteralMethod(memberDecl, checkMode);
- if (isInJavascript) {
- var jsDocType = getTypeForDeclarationFromJSDocComment(memberDecl);
- if (jsDocType) {
- checkTypeAssignableTo(type, jsDocType, memberDecl);
- type = jsDocType;
- }
- else if (enumTag && enumTag.typeExpression) {
- checkTypeAssignableTo(type, getTypeFromTypeNode(enumTag.typeExpression), memberDecl);
- }
- }
- objectFlags |= ts.getObjectFlags(type) & 3670016 /* PropagatingFlags */;
- var nameType = computedNameType && isTypeUsableAsPropertyName(computedNameType) ? computedNameType : undefined;
- var prop = nameType ?
- createSymbol(4 /* Property */ | member.flags, getPropertyNameFromType(nameType), checkFlags | 4096 /* Late */) :
- createSymbol(4 /* Property */ | member.flags, member.escapedName, checkFlags);
- if (nameType) {
- prop.nameType = nameType;
- }
- if (inDestructuringPattern) {
- // If object literal is an assignment pattern and if the assignment pattern specifies a default value
- // for the property, make the property optional.
- var isOptional = (memberDecl.kind === 281 /* PropertyAssignment */ && hasDefaultValue(memberDecl.initializer)) ||
- (memberDecl.kind === 282 /* ShorthandPropertyAssignment */ && memberDecl.objectAssignmentInitializer);
- if (isOptional) {
- prop.flags |= 16777216 /* Optional */;
- }
- }
- else if (contextualTypeHasPattern && !(ts.getObjectFlags(contextualType) & 512 /* ObjectLiteralPatternWithComputedProperties */)) {
- // If object literal is contextually typed by the implied type of a binding pattern, and if the
- // binding pattern specifies a default value for the property, make the property optional.
- var impliedProp = getPropertyOfType(contextualType, member.escapedName);
- if (impliedProp) {
- prop.flags |= impliedProp.flags & 16777216 /* Optional */;
- }
- else if (!compilerOptions.suppressExcessPropertyErrors && !getIndexInfoOfType(contextualType, 0 /* String */)) {
- error(memberDecl.name, ts.Diagnostics.Object_literal_may_only_specify_known_properties_and_0_does_not_exist_in_type_1, symbolToString(member), typeToString(contextualType));
- }
- }
- prop.declarations = member.declarations;
- prop.parent = member.parent;
- if (member.valueDeclaration) {
- prop.valueDeclaration = member.valueDeclaration;
- }
- prop.type = type;
- prop.target = member;
- member = prop;
- allPropertiesTable === null || allPropertiesTable === void 0 ? void 0 : allPropertiesTable.set(prop.escapedName, prop);
- }
- else if (memberDecl.kind === 283 /* SpreadAssignment */) {
- if (languageVersion < 2 /* ES2015 */) {
- checkExternalEmitHelpers(memberDecl, 2 /* Assign */);
- }
- if (propertiesArray.length > 0) {
- spread = getSpreadType(spread, createObjectLiteralType(), node.symbol, objectFlags, inConstContext);
- propertiesArray = [];
- propertiesTable = ts.createSymbolTable();
- hasComputedStringProperty = false;
- hasComputedNumberProperty = false;
- }
- var type = getReducedType(checkExpression(memberDecl.expression));
- if (!isValidSpreadType(type)) {
- error(memberDecl, ts.Diagnostics.Spread_types_may_only_be_created_from_object_types);
- return errorType;
- }
- if (allPropertiesTable) {
- checkSpreadPropOverrides(type, allPropertiesTable, memberDecl);
- }
- spread = getSpreadType(spread, type, node.symbol, objectFlags, inConstContext);
- offset = i + 1;
- continue;
- }
- else {
- // TypeScript 1.0 spec (April 2014)
- // A get accessor declaration is processed in the same manner as
- // an ordinary function declaration(section 6.1) with no parameters.
- // A set accessor declaration is processed in the same manner
- // as an ordinary function declaration with a single parameter and a Void return type.
- ts.Debug.assert(memberDecl.kind === 163 /* GetAccessor */ || memberDecl.kind === 164 /* SetAccessor */);
- checkNodeDeferred(memberDecl);
- }
- if (computedNameType && !(computedNameType.flags & 8576 /* StringOrNumberLiteralOrUnique */)) {
- if (isTypeAssignableTo(computedNameType, stringNumberSymbolType)) {
- if (isTypeAssignableTo(computedNameType, numberType)) {
- hasComputedNumberProperty = true;
- }
- else {
- hasComputedStringProperty = true;
- }
- if (inDestructuringPattern) {
- patternWithComputedProperties = true;
- }
- }
- }
- else {
- propertiesTable.set(member.escapedName, member);
- }
- propertiesArray.push(member);
- }
- // If object literal is contextually typed by the implied type of a binding pattern, augment the result
- // type with those properties for which the binding pattern specifies a default value.
- // If the object literal is spread into another object literal, skip this step and let the top-level object
- // literal handle it instead.
- if (contextualTypeHasPattern && node.parent.kind !== 283 /* SpreadAssignment */) {
- for (var _b = 0, _c = getPropertiesOfType(contextualType); _b < _c.length; _b++) {
- var prop = _c[_b];
- if (!propertiesTable.get(prop.escapedName) && !getPropertyOfType(spread, prop.escapedName)) {
- if (!(prop.flags & 16777216 /* Optional */)) {
- error(prop.valueDeclaration || prop.bindingElement, ts.Diagnostics.Initializer_provides_no_value_for_this_binding_element_and_the_binding_element_has_no_default_value);
- }
- propertiesTable.set(prop.escapedName, prop);
- propertiesArray.push(prop);
- }
- }
- }
- if (spread !== emptyObjectType) {
- if (propertiesArray.length > 0) {
- spread = getSpreadType(spread, createObjectLiteralType(), node.symbol, objectFlags, inConstContext);
- propertiesArray = [];
- propertiesTable = ts.createSymbolTable();
- hasComputedStringProperty = false;
- hasComputedNumberProperty = false;
- }
- // remap the raw emptyObjectType fed in at the top into a fresh empty object literal type, unique to this use site
- return mapType(spread, function (t) { return t === emptyObjectType ? createObjectLiteralType() : t; });
- }
- return createObjectLiteralType();
- function createObjectLiteralType() {
- var stringIndexInfo = hasComputedStringProperty ? getObjectLiteralIndexInfo(node, offset, propertiesArray, 0 /* String */) : undefined;
- var numberIndexInfo = hasComputedNumberProperty ? getObjectLiteralIndexInfo(node, offset, propertiesArray, 1 /* Number */) : undefined;
- var result = createAnonymousType(node.symbol, propertiesTable, ts.emptyArray, ts.emptyArray, stringIndexInfo, numberIndexInfo);
- result.objectFlags |= objectFlags | 128 /* ObjectLiteral */ | 1048576 /* ContainsObjectOrArrayLiteral */;
- if (isJSObjectLiteral) {
- result.objectFlags |= 16384 /* JSLiteral */;
- }
- if (patternWithComputedProperties) {
- result.objectFlags |= 512 /* ObjectLiteralPatternWithComputedProperties */;
- }
- if (inDestructuringPattern) {
- result.pattern = node;
- }
- return result;
- }
- }
- function isValidSpreadType(type) {
- if (type.flags & 63176704 /* Instantiable */) {
- var constraint = getBaseConstraintOfType(type);
- if (constraint !== undefined) {
- return isValidSpreadType(constraint);
- }
- }
- return !!(type.flags & (1 /* Any */ | 67108864 /* NonPrimitive */ | 524288 /* Object */ | 58982400 /* InstantiableNonPrimitive */) ||
- getFalsyFlags(type) & 117632 /* DefinitelyFalsy */ && isValidSpreadType(removeDefinitelyFalsyTypes(type)) ||
- type.flags & 3145728 /* UnionOrIntersection */ && ts.every(type.types, isValidSpreadType));
- }
- function checkJsxSelfClosingElementDeferred(node) {
- checkJsxOpeningLikeElementOrOpeningFragment(node);
- resolveUntypedCall(node); // ensure type arguments and parameters are typechecked, even if there is an arity error
- }
- function checkJsxSelfClosingElement(node, _checkMode) {
- checkNodeDeferred(node);
- return getJsxElementTypeAt(node) || anyType;
- }
- function checkJsxElementDeferred(node) {
- // Check attributes
- checkJsxOpeningLikeElementOrOpeningFragment(node.openingElement);
- // Perform resolution on the closing tag so that rename/go to definition/etc work
- if (isJsxIntrinsicIdentifier(node.closingElement.tagName)) {
- getIntrinsicTagSymbol(node.closingElement);
- }
- else {
- checkExpression(node.closingElement.tagName);
- }
- checkJsxChildren(node);
- }
- function checkJsxElement(node, _checkMode) {
- checkNodeDeferred(node);
- return getJsxElementTypeAt(node) || anyType;
- }
- function checkJsxFragment(node) {
- checkJsxOpeningLikeElementOrOpeningFragment(node.openingFragment);
- if (compilerOptions.jsx === 2 /* React */ && (compilerOptions.jsxFactory || ts.getSourceFileOfNode(node).pragmas.has("jsx"))) {
- error(node, compilerOptions.jsxFactory
- ? ts.Diagnostics.JSX_fragment_is_not_supported_when_using_jsxFactory
- : ts.Diagnostics.JSX_fragment_is_not_supported_when_using_an_inline_JSX_factory_pragma);
- }
- checkJsxChildren(node);
- return getJsxElementTypeAt(node) || anyType;
- }
- /**
- * Returns true iff the JSX element name would be a valid JS identifier, ignoring restrictions about keywords not being identifiers
- */
- function isUnhyphenatedJsxName(name) {
- // - is the only character supported in JSX attribute names that isn't valid in JavaScript identifiers
- return !ts.stringContains(name, "-");
- }
- /**
- * Returns true iff React would emit this tag name as a string rather than an identifier or qualified name
- */
- function isJsxIntrinsicIdentifier(tagName) {
- return tagName.kind === 75 /* Identifier */ && ts.isIntrinsicJsxName(tagName.escapedText);
- }
- function checkJsxAttribute(node, checkMode) {
- return node.initializer
- ? checkExpressionForMutableLocation(node.initializer, checkMode)
- : trueType; // <Elem attr /> is sugar for <Elem attr={true} />
- }
- /**
- * Get attributes type of the JSX opening-like element. The result is from resolving "attributes" property of the opening-like element.
- *
- * @param openingLikeElement a JSX opening-like element
- * @param filter a function to remove attributes that will not participate in checking whether attributes are assignable
- * @return an anonymous type (similar to the one returned by checkObjectLiteral) in which its properties are attributes property.
- * @remarks Because this function calls getSpreadType, it needs to use the same checks as checkObjectLiteral,
- * which also calls getSpreadType.
- */
- function createJsxAttributesTypeFromAttributesProperty(openingLikeElement, checkMode) {
- var attributes = openingLikeElement.attributes;
- var allAttributesTable = strictNullChecks ? ts.createSymbolTable() : undefined;
- var attributesTable = ts.createSymbolTable();
- var spread = emptyJsxObjectType;
- var hasSpreadAnyType = false;
- var typeToIntersect;
- var explicitlySpecifyChildrenAttribute = false;
- var objectFlags = 4096 /* JsxAttributes */;
- var jsxChildrenPropertyName = getJsxElementChildrenPropertyName(getJsxNamespaceAt(openingLikeElement));
- for (var _i = 0, _a = attributes.properties; _i < _a.length; _i++) {
- var attributeDecl = _a[_i];
- var member = attributeDecl.symbol;
- if (ts.isJsxAttribute(attributeDecl)) {
- var exprType = checkJsxAttribute(attributeDecl, checkMode);
- objectFlags |= ts.getObjectFlags(exprType) & 3670016 /* PropagatingFlags */;
- var attributeSymbol = createSymbol(4 /* Property */ | 33554432 /* Transient */ | member.flags, member.escapedName);
- attributeSymbol.declarations = member.declarations;
- attributeSymbol.parent = member.parent;
- if (member.valueDeclaration) {
- attributeSymbol.valueDeclaration = member.valueDeclaration;
- }
- attributeSymbol.type = exprType;
- attributeSymbol.target = member;
- attributesTable.set(attributeSymbol.escapedName, attributeSymbol);
- allAttributesTable === null || allAttributesTable === void 0 ? void 0 : allAttributesTable.set(attributeSymbol.escapedName, attributeSymbol);
- if (attributeDecl.name.escapedText === jsxChildrenPropertyName) {
- explicitlySpecifyChildrenAttribute = true;
- }
- }
- else {
- ts.Debug.assert(attributeDecl.kind === 275 /* JsxSpreadAttribute */);
- if (attributesTable.size > 0) {
- spread = getSpreadType(spread, createJsxAttributesType(), attributes.symbol, objectFlags, /*readonly*/ false);
- attributesTable = ts.createSymbolTable();
- }
- var exprType = getReducedType(checkExpressionCached(attributeDecl.expression, checkMode));
- if (isTypeAny(exprType)) {
- hasSpreadAnyType = true;
- }
- if (isValidSpreadType(exprType)) {
- spread = getSpreadType(spread, exprType, attributes.symbol, objectFlags, /*readonly*/ false);
- if (allAttributesTable) {
- checkSpreadPropOverrides(exprType, allAttributesTable, attributeDecl);
- }
- }
- else {
- typeToIntersect = typeToIntersect ? getIntersectionType([typeToIntersect, exprType]) : exprType;
- }
- }
- }
- if (!hasSpreadAnyType) {
- if (attributesTable.size > 0) {
- spread = getSpreadType(spread, createJsxAttributesType(), attributes.symbol, objectFlags, /*readonly*/ false);
- }
- }
- // Handle children attribute
- var parent = openingLikeElement.parent.kind === 266 /* JsxElement */ ? openingLikeElement.parent : undefined;
- // We have to check that openingElement of the parent is the one we are visiting as this may not be true for selfClosingElement
- if (parent && parent.openingElement === openingLikeElement && parent.children.length > 0) {
- var childrenTypes = checkJsxChildren(parent, checkMode);
- if (!hasSpreadAnyType && jsxChildrenPropertyName && jsxChildrenPropertyName !== "") {
- // Error if there is a attribute named "children" explicitly specified and children element.
- // This is because children element will overwrite the value from attributes.
- // Note: we will not warn "children" attribute overwritten if "children" attribute is specified in object spread.
- if (explicitlySpecifyChildrenAttribute) {
- error(attributes, ts.Diagnostics._0_are_specified_twice_The_attribute_named_0_will_be_overwritten, ts.unescapeLeadingUnderscores(jsxChildrenPropertyName));
- }
- var contextualType = getApparentTypeOfContextualType(openingLikeElement.attributes);
- var childrenContextualType = contextualType && getTypeOfPropertyOfContextualType(contextualType, jsxChildrenPropertyName);
- // If there are children in the body of JSX element, create dummy attribute "children" with the union of children types so that it will pass the attribute checking process
- var childrenPropSymbol = createSymbol(4 /* Property */ | 33554432 /* Transient */, jsxChildrenPropertyName);
- childrenPropSymbol.type = childrenTypes.length === 1 ?
- childrenTypes[0] :
- (getArrayLiteralTupleTypeIfApplicable(childrenTypes, childrenContextualType, /*hasRestElement*/ false) || createArrayType(getUnionType(childrenTypes)));
- // Fake up a property declaration for the children
- childrenPropSymbol.valueDeclaration = ts.createPropertySignature(/*modifiers*/ undefined, ts.unescapeLeadingUnderscores(jsxChildrenPropertyName), /*questionToken*/ undefined, /*type*/ undefined, /*initializer*/ undefined);
- childrenPropSymbol.valueDeclaration.parent = attributes;
- childrenPropSymbol.valueDeclaration.symbol = childrenPropSymbol;
- var childPropMap = ts.createSymbolTable();
- childPropMap.set(jsxChildrenPropertyName, childrenPropSymbol);
- spread = getSpreadType(spread, createAnonymousType(attributes.symbol, childPropMap, ts.emptyArray, ts.emptyArray, /*stringIndexInfo*/ undefined, /*numberIndexInfo*/ undefined), attributes.symbol, objectFlags, /*readonly*/ false);
- }
- }
- if (hasSpreadAnyType) {
- return anyType;
- }
- if (typeToIntersect && spread !== emptyJsxObjectType) {
- return getIntersectionType([typeToIntersect, spread]);
- }
- return typeToIntersect || (spread === emptyJsxObjectType ? createJsxAttributesType() : spread);
- /**
- * Create anonymous type from given attributes symbol table.
- * @param symbol a symbol of JsxAttributes containing attributes corresponding to attributesTable
- * @param attributesTable a symbol table of attributes property
- */
- function createJsxAttributesType() {
- objectFlags |= freshObjectLiteralFlag;
- var result = createAnonymousType(attributes.symbol, attributesTable, ts.emptyArray, ts.emptyArray, /*stringIndexInfo*/ undefined, /*numberIndexInfo*/ undefined);
- result.objectFlags |= objectFlags | 128 /* ObjectLiteral */ | 1048576 /* ContainsObjectOrArrayLiteral */;
- return result;
- }
- }
- function checkJsxChildren(node, checkMode) {
- var childrenTypes = [];
- for (var _i = 0, _a = node.children; _i < _a.length; _i++) {
- var child = _a[_i];
- // In React, JSX text that contains only whitespaces will be ignored so we don't want to type-check that
- // because then type of children property will have constituent of string type.
- if (child.kind === 11 /* JsxText */) {
- if (!child.containsOnlyTriviaWhiteSpaces) {
- childrenTypes.push(stringType);
- }
- }
- else {
- childrenTypes.push(checkExpressionForMutableLocation(child, checkMode));
- }
- }
- return childrenTypes;
- }
- function checkSpreadPropOverrides(type, props, spread) {
- for (var _i = 0, _a = getPropertiesOfType(type); _i < _a.length; _i++) {
- var right = _a[_i];
- var left = props.get(right.escapedName);
- var rightType = getTypeOfSymbol(right);
- if (left && !maybeTypeOfKind(rightType, 98304 /* Nullable */) && !(maybeTypeOfKind(rightType, 3 /* AnyOrUnknown */) && right.flags & 16777216 /* Optional */)) {
- var diagnostic = error(left.valueDeclaration, ts.Diagnostics._0_is_specified_more_than_once_so_this_usage_will_be_overwritten, ts.unescapeLeadingUnderscores(left.escapedName));
- ts.addRelatedInfo(diagnostic, ts.createDiagnosticForNode(spread, ts.Diagnostics.This_spread_always_overwrites_this_property));
- }
- }
- }
- /**
- * Check attributes property of opening-like element. This function is called during chooseOverload to get call signature of a JSX opening-like element.
- * (See "checkApplicableSignatureForJsxOpeningLikeElement" for how the function is used)
- * @param node a JSXAttributes to be resolved of its type
- */
- function checkJsxAttributes(node, checkMode) {
- return createJsxAttributesTypeFromAttributesProperty(node.parent, checkMode);
- }
- function getJsxType(name, location) {
- var namespace = getJsxNamespaceAt(location);
- var exports = namespace && getExportsOfSymbol(namespace);
- var typeSymbol = exports && getSymbol(exports, name, 788968 /* Type */);
- return typeSymbol ? getDeclaredTypeOfSymbol(typeSymbol) : errorType;
- }
- /**
- * Looks up an intrinsic tag name and returns a symbol that either points to an intrinsic
- * property (in which case nodeLinks.jsxFlags will be IntrinsicNamedElement) or an intrinsic
- * string index signature (in which case nodeLinks.jsxFlags will be IntrinsicIndexedElement).
- * May also return unknownSymbol if both of these lookups fail.
- */
- function getIntrinsicTagSymbol(node) {
- var links = getNodeLinks(node);
- if (!links.resolvedSymbol) {
- var intrinsicElementsType = getJsxType(JsxNames.IntrinsicElements, node);
- if (intrinsicElementsType !== errorType) {
- // Property case
- if (!ts.isIdentifier(node.tagName))
- return ts.Debug.fail();
- var intrinsicProp = getPropertyOfType(intrinsicElementsType, node.tagName.escapedText);
- if (intrinsicProp) {
- links.jsxFlags |= 1 /* IntrinsicNamedElement */;
- return links.resolvedSymbol = intrinsicProp;
- }
- // Intrinsic string indexer case
- var indexSignatureType = getIndexTypeOfType(intrinsicElementsType, 0 /* String */);
- if (indexSignatureType) {
- links.jsxFlags |= 2 /* IntrinsicIndexedElement */;
- return links.resolvedSymbol = intrinsicElementsType.symbol;
- }
- // Wasn't found
- error(node, ts.Diagnostics.Property_0_does_not_exist_on_type_1, ts.idText(node.tagName), "JSX." + JsxNames.IntrinsicElements);
- return links.resolvedSymbol = unknownSymbol;
- }
- else {
- if (noImplicitAny) {
- error(node, ts.Diagnostics.JSX_element_implicitly_has_type_any_because_no_interface_JSX_0_exists, ts.unescapeLeadingUnderscores(JsxNames.IntrinsicElements));
- }
- return links.resolvedSymbol = unknownSymbol;
- }
- }
- return links.resolvedSymbol;
- }
- function getJsxNamespaceAt(location) {
- var links = location && getNodeLinks(location);
- if (links && links.jsxNamespace) {
- return links.jsxNamespace;
- }
- if (!links || links.jsxNamespace !== false) {
- var namespaceName = getJsxNamespace(location);
- var resolvedNamespace = resolveName(location, namespaceName, 1920 /* Namespace */, /*diagnosticMessage*/ undefined, namespaceName, /*isUse*/ false);
- if (resolvedNamespace) {
- var candidate = resolveSymbol(getSymbol(getExportsOfSymbol(resolveSymbol(resolvedNamespace)), JsxNames.JSX, 1920 /* Namespace */));
- if (candidate) {
- if (links) {
- links.jsxNamespace = candidate;
- }
- return candidate;
- }
- if (links) {
- links.jsxNamespace = false;
- }
- }
- }
- // JSX global fallback
- return getGlobalSymbol(JsxNames.JSX, 1920 /* Namespace */, /*diagnosticMessage*/ undefined); // TODO: GH#18217
- }
- /**
- * Look into JSX namespace and then look for container with matching name as nameOfAttribPropContainer.
- * Get a single property from that container if existed. Report an error if there are more than one property.
- *
- * @param nameOfAttribPropContainer a string of value JsxNames.ElementAttributesPropertyNameContainer or JsxNames.ElementChildrenAttributeNameContainer
- * if other string is given or the container doesn't exist, return undefined.
- */
- function getNameFromJsxElementAttributesContainer(nameOfAttribPropContainer, jsxNamespace) {
- // JSX.ElementAttributesProperty | JSX.ElementChildrenAttribute [symbol]
- var jsxElementAttribPropInterfaceSym = jsxNamespace && getSymbol(jsxNamespace.exports, nameOfAttribPropContainer, 788968 /* Type */);
- // JSX.ElementAttributesProperty | JSX.ElementChildrenAttribute [type]
- var jsxElementAttribPropInterfaceType = jsxElementAttribPropInterfaceSym && getDeclaredTypeOfSymbol(jsxElementAttribPropInterfaceSym);
- // The properties of JSX.ElementAttributesProperty | JSX.ElementChildrenAttribute
- var propertiesOfJsxElementAttribPropInterface = jsxElementAttribPropInterfaceType && getPropertiesOfType(jsxElementAttribPropInterfaceType);
- if (propertiesOfJsxElementAttribPropInterface) {
- // Element Attributes has zero properties, so the element attributes type will be the class instance type
- if (propertiesOfJsxElementAttribPropInterface.length === 0) {
- return "";
- }
- // Element Attributes has one property, so the element attributes type will be the type of the corresponding
- // property of the class instance type
- else if (propertiesOfJsxElementAttribPropInterface.length === 1) {
- return propertiesOfJsxElementAttribPropInterface[0].escapedName;
- }
- else if (propertiesOfJsxElementAttribPropInterface.length > 1) {
- // More than one property on ElementAttributesProperty is an error
- error(jsxElementAttribPropInterfaceSym.declarations[0], ts.Diagnostics.The_global_type_JSX_0_may_not_have_more_than_one_property, ts.unescapeLeadingUnderscores(nameOfAttribPropContainer));
- }
- }
- return undefined;
- }
- function getJsxLibraryManagedAttributes(jsxNamespace) {
- // JSX.LibraryManagedAttributes [symbol]
- return jsxNamespace && getSymbol(jsxNamespace.exports, JsxNames.LibraryManagedAttributes, 788968 /* Type */);
- }
- /// e.g. "props" for React.d.ts,
- /// or 'undefined' if ElementAttributesProperty doesn't exist (which means all
- /// non-intrinsic elements' attributes type is 'any'),
- /// or '' if it has 0 properties (which means every
- /// non-intrinsic elements' attributes type is the element instance type)
- function getJsxElementPropertiesName(jsxNamespace) {
- return getNameFromJsxElementAttributesContainer(JsxNames.ElementAttributesPropertyNameContainer, jsxNamespace);
- }
- function getJsxElementChildrenPropertyName(jsxNamespace) {
- return getNameFromJsxElementAttributesContainer(JsxNames.ElementChildrenAttributeNameContainer, jsxNamespace);
- }
- function getUninstantiatedJsxSignaturesOfType(elementType, caller) {
- if (elementType.flags & 4 /* String */) {
- return [anySignature];
- }
- else if (elementType.flags & 128 /* StringLiteral */) {
- var intrinsicType = getIntrinsicAttributesTypeFromStringLiteralType(elementType, caller);
- if (!intrinsicType) {
- error(caller, ts.Diagnostics.Property_0_does_not_exist_on_type_1, elementType.value, "JSX." + JsxNames.IntrinsicElements);
- return ts.emptyArray;
- }
- else {
- var fakeSignature = createSignatureForJSXIntrinsic(caller, intrinsicType);
- return [fakeSignature];
- }
- }
- var apparentElemType = getApparentType(elementType);
- // Resolve the signatures, preferring constructor
- var signatures = getSignaturesOfType(apparentElemType, 1 /* Construct */);
- if (signatures.length === 0) {
- // No construct signatures, try call signatures
- signatures = getSignaturesOfType(apparentElemType, 0 /* Call */);
- }
- if (signatures.length === 0 && apparentElemType.flags & 1048576 /* Union */) {
- // If each member has some combination of new/call signatures; make a union signature list for those
- signatures = getUnionSignatures(ts.map(apparentElemType.types, function (t) { return getUninstantiatedJsxSignaturesOfType(t, caller); }));
- }
- return signatures;
- }
- function getIntrinsicAttributesTypeFromStringLiteralType(type, location) {
- // If the elemType is a stringLiteral type, we can then provide a check to make sure that the string literal type is one of the Jsx intrinsic element type
- // For example:
- // var CustomTag: "h1" = "h1";
- // <CustomTag> Hello World </CustomTag>
- var intrinsicElementsType = getJsxType(JsxNames.IntrinsicElements, location);
- if (intrinsicElementsType !== errorType) {
- var stringLiteralTypeName = type.value;
- var intrinsicProp = getPropertyOfType(intrinsicElementsType, ts.escapeLeadingUnderscores(stringLiteralTypeName));
- if (intrinsicProp) {
- return getTypeOfSymbol(intrinsicProp);
- }
- var indexSignatureType = getIndexTypeOfType(intrinsicElementsType, 0 /* String */);
- if (indexSignatureType) {
- return indexSignatureType;
- }
- return undefined;
- }
- // If we need to report an error, we already done so here. So just return any to prevent any more error downstream
- return anyType;
- }
- function checkJsxReturnAssignableToAppropriateBound(refKind, elemInstanceType, openingLikeElement) {
- if (refKind === 1 /* Function */) {
- var sfcReturnConstraint = getJsxStatelessElementTypeAt(openingLikeElement);
- if (sfcReturnConstraint) {
- checkTypeRelatedTo(elemInstanceType, sfcReturnConstraint, assignableRelation, openingLikeElement.tagName, ts.Diagnostics.Its_return_type_0_is_not_a_valid_JSX_element, generateInitialErrorChain);
- }
- }
- else if (refKind === 0 /* Component */) {
- var classConstraint = getJsxElementClassTypeAt(openingLikeElement);
- if (classConstraint) {
- // Issue an error if this return type isn't assignable to JSX.ElementClass, failing that
- checkTypeRelatedTo(elemInstanceType, classConstraint, assignableRelation, openingLikeElement.tagName, ts.Diagnostics.Its_instance_type_0_is_not_a_valid_JSX_element, generateInitialErrorChain);
- }
- }
- else { // Mixed
- var sfcReturnConstraint = getJsxStatelessElementTypeAt(openingLikeElement);
- var classConstraint = getJsxElementClassTypeAt(openingLikeElement);
- if (!sfcReturnConstraint || !classConstraint) {
- return;
- }
- var combined = getUnionType([sfcReturnConstraint, classConstraint]);
- checkTypeRelatedTo(elemInstanceType, combined, assignableRelation, openingLikeElement.tagName, ts.Diagnostics.Its_element_type_0_is_not_a_valid_JSX_element, generateInitialErrorChain);
- }
- function generateInitialErrorChain() {
- var componentName = ts.getTextOfNode(openingLikeElement.tagName);
- return ts.chainDiagnosticMessages(/* details */ undefined, ts.Diagnostics._0_cannot_be_used_as_a_JSX_component, componentName);
- }
- }
- /**
- * Get attributes type of the given intrinsic opening-like Jsx element by resolving the tag name.
- * The function is intended to be called from a function which has checked that the opening element is an intrinsic element.
- * @param node an intrinsic JSX opening-like element
- */
- function getIntrinsicAttributesTypeFromJsxOpeningLikeElement(node) {
- ts.Debug.assert(isJsxIntrinsicIdentifier(node.tagName));
- var links = getNodeLinks(node);
- if (!links.resolvedJsxElementAttributesType) {
- var symbol = getIntrinsicTagSymbol(node);
- if (links.jsxFlags & 1 /* IntrinsicNamedElement */) {
- return links.resolvedJsxElementAttributesType = getTypeOfSymbol(symbol);
- }
- else if (links.jsxFlags & 2 /* IntrinsicIndexedElement */) {
- return links.resolvedJsxElementAttributesType =
- getIndexTypeOfType(getDeclaredTypeOfSymbol(symbol), 0 /* String */);
- }
- else {
- return links.resolvedJsxElementAttributesType = errorType;
- }
- }
- return links.resolvedJsxElementAttributesType;
- }
- function getJsxElementClassTypeAt(location) {
- var type = getJsxType(JsxNames.ElementClass, location);
- if (type === errorType)
- return undefined;
- return type;
- }
- function getJsxElementTypeAt(location) {
- return getJsxType(JsxNames.Element, location);
- }
- function getJsxStatelessElementTypeAt(location) {
- var jsxElementType = getJsxElementTypeAt(location);
- if (jsxElementType) {
- return getUnionType([jsxElementType, nullType]);
- }
- }
- /**
- * Returns all the properties of the Jsx.IntrinsicElements interface
- */
- function getJsxIntrinsicTagNamesAt(location) {
- var intrinsics = getJsxType(JsxNames.IntrinsicElements, location);
- return intrinsics ? getPropertiesOfType(intrinsics) : ts.emptyArray;
- }
- function checkJsxPreconditions(errorNode) {
- // Preconditions for using JSX
- if ((compilerOptions.jsx || 0 /* None */) === 0 /* None */) {
- error(errorNode, ts.Diagnostics.Cannot_use_JSX_unless_the_jsx_flag_is_provided);
- }
- if (getJsxElementTypeAt(errorNode) === undefined) {
- if (noImplicitAny) {
- error(errorNode, ts.Diagnostics.JSX_element_implicitly_has_type_any_because_the_global_type_JSX_Element_does_not_exist);
- }
- }
- }
- function checkJsxOpeningLikeElementOrOpeningFragment(node) {
- var isNodeOpeningLikeElement = ts.isJsxOpeningLikeElement(node);
- if (isNodeOpeningLikeElement) {
- checkGrammarJsxElement(node);
- }
- checkJsxPreconditions(node);
- // The reactNamespace/jsxFactory's root symbol should be marked as 'used' so we don't incorrectly elide its import.
- // And if there is no reactNamespace/jsxFactory's symbol in scope when targeting React emit, we should issue an error.
- var reactRefErr = diagnostics && compilerOptions.jsx === 2 /* React */ ? ts.Diagnostics.Cannot_find_name_0 : undefined;
- var reactNamespace = getJsxNamespace(node);
- var reactLocation = isNodeOpeningLikeElement ? node.tagName : node;
- var reactSym = resolveName(reactLocation, reactNamespace, 111551 /* Value */, reactRefErr, reactNamespace, /*isUse*/ true);
- if (reactSym) {
- // Mark local symbol as referenced here because it might not have been marked
- // if jsx emit was not react as there wont be error being emitted
- reactSym.isReferenced = 67108863 /* All */;
- // If react symbol is alias, mark it as refereced
- if (reactSym.flags & 2097152 /* Alias */ && !getTypeOnlyAliasDeclaration(reactSym)) {
- markAliasSymbolAsReferenced(reactSym);
- }
- }
- if (isNodeOpeningLikeElement) {
- var jsxOpeningLikeNode = node;
- var sig = getResolvedSignature(jsxOpeningLikeNode);
- checkJsxReturnAssignableToAppropriateBound(getJsxReferenceKind(jsxOpeningLikeNode), getReturnTypeOfSignature(sig), jsxOpeningLikeNode);
- }
- }
- /**
- * Check if a property with the given name is known anywhere in the given type. In an object type, a property
- * is considered known if
- * 1. the object type is empty and the check is for assignability, or
- * 2. if the object type has index signatures, or
- * 3. if the property is actually declared in the object type
- * (this means that 'toString', for example, is not usually a known property).
- * 4. In a union or intersection type,
- * a property is considered known if it is known in any constituent type.
- * @param targetType a type to search a given name in
- * @param name a property name to search
- * @param isComparingJsxAttributes a boolean flag indicating whether we are searching in JsxAttributesType
- */
- function isKnownProperty(targetType, name, isComparingJsxAttributes) {
- if (targetType.flags & 524288 /* Object */) {
- var resolved = resolveStructuredTypeMembers(targetType);
- if (resolved.stringIndexInfo ||
- resolved.numberIndexInfo && isNumericLiteralName(name) ||
- getPropertyOfObjectType(targetType, name) ||
- isComparingJsxAttributes && !isUnhyphenatedJsxName(name)) {
- // For JSXAttributes, if the attribute has a hyphenated name, consider that the attribute to be known.
- return true;
- }
- }
- else if (targetType.flags & 3145728 /* UnionOrIntersection */ && isExcessPropertyCheckTarget(targetType)) {
- for (var _i = 0, _a = targetType.types; _i < _a.length; _i++) {
- var t = _a[_i];
- if (isKnownProperty(t, name, isComparingJsxAttributes)) {
- return true;
- }
- }
- }
- return false;
- }
- function isExcessPropertyCheckTarget(type) {
- return !!(type.flags & 524288 /* Object */ && !(ts.getObjectFlags(type) & 512 /* ObjectLiteralPatternWithComputedProperties */) ||
- type.flags & 67108864 /* NonPrimitive */ ||
- type.flags & 1048576 /* Union */ && ts.some(type.types, isExcessPropertyCheckTarget) ||
- type.flags & 2097152 /* Intersection */ && ts.every(type.types, isExcessPropertyCheckTarget));
- }
- function checkJsxExpression(node, checkMode) {
- checkGrammarJsxExpression(node);
- if (node.expression) {
- var type = checkExpression(node.expression, checkMode);
- if (node.dotDotDotToken && type !== anyType && !isArrayType(type)) {
- error(node, ts.Diagnostics.JSX_spread_child_must_be_an_array_type);
- }
- return type;
- }
- else {
- return errorType;
- }
- }
- function getDeclarationNodeFlagsFromSymbol(s) {
- return s.valueDeclaration ? ts.getCombinedNodeFlags(s.valueDeclaration) : 0;
- }
- /**
- * Return whether this symbol is a member of a prototype somewhere
- * Note that this is not tracked well within the compiler, so the answer may be incorrect.
- */
- function isPrototypeProperty(symbol) {
- if (symbol.flags & 8192 /* Method */ || ts.getCheckFlags(symbol) & 4 /* SyntheticMethod */) {
- return true;
- }
- if (ts.isInJSFile(symbol.valueDeclaration)) {
- var parent = symbol.valueDeclaration.parent;
- return parent && ts.isBinaryExpression(parent) &&
- ts.getAssignmentDeclarationKind(parent) === 3 /* PrototypeProperty */;
- }
- }
- /**
- * Check whether the requested property access is valid.
- * Returns true if node is a valid property access, and false otherwise.
- * @param node The node to be checked.
- * @param isSuper True if the access is from `super.`.
- * @param type The type of the object whose property is being accessed. (Not the type of the property.)
- * @param prop The symbol for the property being accessed.
- */
- function checkPropertyAccessibility(node, isSuper, type, prop) {
- var flags = ts.getDeclarationModifierFlagsFromSymbol(prop);
- var errorNode = node.kind === 153 /* QualifiedName */ ? node.right : node.kind === 188 /* ImportType */ ? node : node.name;
- if (isSuper) {
- // TS 1.0 spec (April 2014): 4.8.2
- // - In a constructor, instance member function, instance member accessor, or
- // instance member variable initializer where this references a derived class instance,
- // a super property access is permitted and must specify a public instance member function of the base class.
- // - In a static member function or static member accessor
- // where this references the constructor function object of a derived class,
- // a super property access is permitted and must specify a public static member function of the base class.
- if (languageVersion < 2 /* ES2015 */) {
- if (symbolHasNonMethodDeclaration(prop)) {
- error(errorNode, ts.Diagnostics.Only_public_and_protected_methods_of_the_base_class_are_accessible_via_the_super_keyword);
- return false;
- }
- }
- if (flags & 128 /* Abstract */) {
- // A method cannot be accessed in a super property access if the method is abstract.
- // This error could mask a private property access error. But, a member
- // cannot simultaneously be private and abstract, so this will trigger an
- // additional error elsewhere.
- error(errorNode, ts.Diagnostics.Abstract_method_0_in_class_1_cannot_be_accessed_via_super_expression, symbolToString(prop), typeToString(getDeclaringClass(prop)));
- return false;
- }
- }
- // Referencing abstract properties within their own constructors is not allowed
- if ((flags & 128 /* Abstract */) && ts.isThisProperty(node) && symbolHasNonMethodDeclaration(prop)) {
- var declaringClassDeclaration = ts.getClassLikeDeclarationOfSymbol(getParentOfSymbol(prop));
- if (declaringClassDeclaration && isNodeUsedDuringClassInitialization(node)) {
- error(errorNode, ts.Diagnostics.Abstract_property_0_in_class_1_cannot_be_accessed_in_the_constructor, symbolToString(prop), ts.getTextOfIdentifierOrLiteral(declaringClassDeclaration.name)); // TODO: GH#18217
- return false;
- }
- }
- if (ts.isPropertyAccessExpression(node) && ts.isPrivateIdentifier(node.name)) {
- if (!ts.getContainingClass(node)) {
- error(errorNode, ts.Diagnostics.Private_identifiers_are_not_allowed_outside_class_bodies);
- return false;
- }
- return true;
- }
- // Public properties are otherwise accessible.
- if (!(flags & 24 /* NonPublicAccessibilityModifier */)) {
- return true;
- }
- // Property is known to be private or protected at this point
- // Private property is accessible if the property is within the declaring class
- if (flags & 8 /* Private */) {
- var declaringClassDeclaration = ts.getClassLikeDeclarationOfSymbol(getParentOfSymbol(prop));
- if (!isNodeWithinClass(node, declaringClassDeclaration)) {
- error(errorNode, ts.Diagnostics.Property_0_is_private_and_only_accessible_within_class_1, symbolToString(prop), typeToString(getDeclaringClass(prop)));
- return false;
- }
- return true;
- }
- // Property is known to be protected at this point
- // All protected properties of a supertype are accessible in a super access
- if (isSuper) {
- return true;
- }
- // Find the first enclosing class that has the declaring classes of the protected constituents
- // of the property as base classes
- var enclosingClass = forEachEnclosingClass(node, function (enclosingDeclaration) {
- var enclosingClass = getDeclaredTypeOfSymbol(getSymbolOfNode(enclosingDeclaration));
- return isClassDerivedFromDeclaringClasses(enclosingClass, prop) ? enclosingClass : undefined;
- });
- // A protected property is accessible if the property is within the declaring class or classes derived from it
- if (!enclosingClass) {
- // allow PropertyAccessibility if context is in function with this parameter
- // static member access is disallow
- var thisParameter = void 0;
- if (flags & 32 /* Static */ || !(thisParameter = getThisParameterFromNodeContext(node)) || !thisParameter.type) {
- error(errorNode, ts.Diagnostics.Property_0_is_protected_and_only_accessible_within_class_1_and_its_subclasses, symbolToString(prop), typeToString(getDeclaringClass(prop) || type));
- return false;
- }
- var thisType = getTypeFromTypeNode(thisParameter.type);
- enclosingClass = ((thisType.flags & 262144 /* TypeParameter */) ? getConstraintOfTypeParameter(thisType) : thisType).target;
- }
- // No further restrictions for static properties
- if (flags & 32 /* Static */) {
- return true;
- }
- if (type.flags & 262144 /* TypeParameter */) {
- // get the original type -- represented as the type constraint of the 'this' type
- type = type.isThisType ? getConstraintOfTypeParameter(type) : getBaseConstraintOfType(type); // TODO: GH#18217 Use a different variable that's allowed to be undefined
- }
- if (!type || !hasBaseType(type, enclosingClass)) {
- error(errorNode, ts.Diagnostics.Property_0_is_protected_and_only_accessible_through_an_instance_of_class_1, symbolToString(prop), typeToString(enclosingClass));
- return false;
- }
- return true;
- }
- function getThisParameterFromNodeContext(node) {
- var thisContainer = ts.getThisContainer(node, /* includeArrowFunctions */ false);
- return thisContainer && ts.isFunctionLike(thisContainer) ? ts.getThisParameter(thisContainer) : undefined;
- }
- function symbolHasNonMethodDeclaration(symbol) {
- return !!forEachProperty(symbol, function (prop) { return !(prop.flags & 8192 /* Method */); });
- }
- function checkNonNullExpression(node) {
- return checkNonNullType(checkExpression(node), node);
- }
- function isNullableType(type) {
- return !!((strictNullChecks ? getFalsyFlags(type) : type.flags) & 98304 /* Nullable */);
- }
- function getNonNullableTypeIfNeeded(type) {
- return isNullableType(type) ? getNonNullableType(type) : type;
- }
- function reportObjectPossiblyNullOrUndefinedError(node, flags) {
- error(node, flags & 32768 /* Undefined */ ? flags & 65536 /* Null */ ?
- ts.Diagnostics.Object_is_possibly_null_or_undefined :
- ts.Diagnostics.Object_is_possibly_undefined :
- ts.Diagnostics.Object_is_possibly_null);
- }
- function reportCannotInvokePossiblyNullOrUndefinedError(node, flags) {
- error(node, flags & 32768 /* Undefined */ ? flags & 65536 /* Null */ ?
- ts.Diagnostics.Cannot_invoke_an_object_which_is_possibly_null_or_undefined :
- ts.Diagnostics.Cannot_invoke_an_object_which_is_possibly_undefined :
- ts.Diagnostics.Cannot_invoke_an_object_which_is_possibly_null);
- }
- function checkNonNullTypeWithReporter(type, node, reportError) {
- if (strictNullChecks && type.flags & 2 /* Unknown */) {
- error(node, ts.Diagnostics.Object_is_of_type_unknown);
- return errorType;
- }
- var kind = (strictNullChecks ? getFalsyFlags(type) : type.flags) & 98304 /* Nullable */;
- if (kind) {
- reportError(node, kind);
- var t = getNonNullableType(type);
- return t.flags & (98304 /* Nullable */ | 131072 /* Never */) ? errorType : t;
- }
- return type;
- }
- function checkNonNullType(type, node) {
- return checkNonNullTypeWithReporter(type, node, reportObjectPossiblyNullOrUndefinedError);
- }
- function checkNonNullNonVoidType(type, node) {
- var nonNullType = checkNonNullType(type, node);
- if (nonNullType !== errorType && nonNullType.flags & 16384 /* Void */) {
- error(node, ts.Diagnostics.Object_is_possibly_undefined);
- }
- return nonNullType;
- }
- function checkPropertyAccessExpression(node) {
- return node.flags & 32 /* OptionalChain */ ? checkPropertyAccessChain(node) :
- checkPropertyAccessExpressionOrQualifiedName(node, node.expression, checkNonNullExpression(node.expression), node.name);
- }
- function checkPropertyAccessChain(node) {
- var leftType = checkExpression(node.expression);
- var nonOptionalType = getOptionalExpressionType(leftType, node.expression);
- return propagateOptionalTypeMarker(checkPropertyAccessExpressionOrQualifiedName(node, node.expression, checkNonNullType(nonOptionalType, node.expression), node.name), node, nonOptionalType !== leftType);
- }
- function checkQualifiedName(node) {
- return checkPropertyAccessExpressionOrQualifiedName(node, node.left, checkNonNullExpression(node.left), node.right);
- }
- function isMethodAccessForCall(node) {
- while (node.parent.kind === 200 /* ParenthesizedExpression */) {
- node = node.parent;
- }
- return ts.isCallOrNewExpression(node.parent) && node.parent.expression === node;
- }
- // Lookup the private identifier lexically.
- function lookupSymbolForPrivateIdentifierDeclaration(propName, location) {
- for (var containingClass = ts.getContainingClass(location); !!containingClass; containingClass = ts.getContainingClass(containingClass)) {
- var symbol = containingClass.symbol;
- var name = ts.getSymbolNameForPrivateIdentifier(symbol, propName);
- var prop = (symbol.members && symbol.members.get(name)) || (symbol.exports && symbol.exports.get(name));
- if (prop) {
- return prop;
- }
- }
- }
- function getPrivateIdentifierPropertyOfType(leftType, lexicallyScopedIdentifier) {
- return getPropertyOfType(leftType, lexicallyScopedIdentifier.escapedName);
- }
- function checkPrivateIdentifierPropertyAccess(leftType, right, lexicallyScopedIdentifier) {
- // Either the identifier could not be looked up in the lexical scope OR the lexically scoped identifier did not exist on the type.
- // Find a private identifier with the same description on the type.
- var propertyOnType;
- var properties = getPropertiesOfType(leftType);
- if (properties) {
- ts.forEach(properties, function (symbol) {
- var decl = symbol.valueDeclaration;
- if (decl && ts.isNamedDeclaration(decl) && ts.isPrivateIdentifier(decl.name) && decl.name.escapedText === right.escapedText) {
- propertyOnType = symbol;
- return true;
- }
- });
- }
- var diagName = diagnosticName(right);
- if (propertyOnType) {
- var typeValueDecl = propertyOnType.valueDeclaration;
- var typeClass_1 = ts.getContainingClass(typeValueDecl);
- ts.Debug.assert(!!typeClass_1);
- // We found a private identifier property with the same description.
- // Either:
- // - There is a lexically scoped private identifier AND it shadows the one we found on the type.
- // - It is an attempt to access the private identifier outside of the class.
- if (lexicallyScopedIdentifier) {
- var lexicalValueDecl = lexicallyScopedIdentifier.valueDeclaration;
- var lexicalClass = ts.getContainingClass(lexicalValueDecl);
- ts.Debug.assert(!!lexicalClass);
- if (ts.findAncestor(lexicalClass, function (n) { return typeClass_1 === n; })) {
- var diagnostic = error(right, ts.Diagnostics.The_property_0_cannot_be_accessed_on_type_1_within_this_class_because_it_is_shadowed_by_another_private_identifier_with_the_same_spelling, diagName, typeToString(leftType));
- ts.addRelatedInfo(diagnostic, ts.createDiagnosticForNode(lexicalValueDecl, ts.Diagnostics.The_shadowing_declaration_of_0_is_defined_here, diagName), ts.createDiagnosticForNode(typeValueDecl, ts.Diagnostics.The_declaration_of_0_that_you_probably_intended_to_use_is_defined_here, diagName));
- return true;
- }
- }
- error(right, ts.Diagnostics.Property_0_is_not_accessible_outside_class_1_because_it_has_a_private_identifier, diagName, diagnosticName(typeClass_1.name || anon));
- return true;
- }
- return false;
- }
- function checkPropertyAccessExpressionOrQualifiedName(node, left, leftType, right) {
- var parentSymbol = getNodeLinks(left).resolvedSymbol;
- var assignmentKind = ts.getAssignmentTargetKind(node);
- var apparentType = getApparentType(assignmentKind !== 0 /* None */ || isMethodAccessForCall(node) ? getWidenedType(leftType) : leftType);
- if (ts.isPrivateIdentifier(right)) {
- checkExternalEmitHelpers(node, 262144 /* ClassPrivateFieldGet */);
- }
- var isAnyLike = isTypeAny(apparentType) || apparentType === silentNeverType;
- var prop;
- if (ts.isPrivateIdentifier(right)) {
- var lexicallyScopedSymbol = lookupSymbolForPrivateIdentifierDeclaration(right.escapedText, right);
- if (isAnyLike) {
- if (lexicallyScopedSymbol) {
- return apparentType;
- }
- if (!ts.getContainingClass(right)) {
- grammarErrorOnNode(right, ts.Diagnostics.Private_identifiers_are_not_allowed_outside_class_bodies);
- return anyType;
- }
- }
- prop = lexicallyScopedSymbol ? getPrivateIdentifierPropertyOfType(leftType, lexicallyScopedSymbol) : undefined;
- // Check for private-identifier-specific shadowing and lexical-scoping errors.
- if (!prop && checkPrivateIdentifierPropertyAccess(leftType, right, lexicallyScopedSymbol)) {
- return errorType;
- }
- }
- else {
- if (isAnyLike) {
- if (ts.isIdentifier(left) && parentSymbol) {
- markAliasReferenced(parentSymbol, node);
- }
- return apparentType;
- }
- prop = getPropertyOfType(apparentType, right.escapedText);
- }
- if (ts.isIdentifier(left) && parentSymbol && !(prop && isConstEnumOrConstEnumOnlyModule(prop))) {
- markAliasReferenced(parentSymbol, node);
- }
- var propType;
- if (!prop) {
- var indexInfo = !ts.isPrivateIdentifier(right) && (assignmentKind === 0 /* None */ || !isGenericObjectType(leftType) || isThisTypeParameter(leftType)) ? getIndexInfoOfType(apparentType, 0 /* String */) : undefined;
- if (!(indexInfo && indexInfo.type)) {
- if (isJSLiteralType(leftType)) {
- return anyType;
- }
- if (leftType.symbol === globalThisSymbol) {
- if (globalThisSymbol.exports.has(right.escapedText) && (globalThisSymbol.exports.get(right.escapedText).flags & 418 /* BlockScoped */)) {
- error(right, ts.Diagnostics.Property_0_does_not_exist_on_type_1, ts.unescapeLeadingUnderscores(right.escapedText), typeToString(leftType));
- }
- else if (noImplicitAny) {
- error(right, ts.Diagnostics.Element_implicitly_has_an_any_type_because_type_0_has_no_index_signature, typeToString(leftType));
- }
- return anyType;
- }
- if (right.escapedText && !checkAndReportErrorForExtendingInterface(node)) {
- reportNonexistentProperty(right, isThisTypeParameter(leftType) ? apparentType : leftType);
- }
- return errorType;
- }
- if (indexInfo.isReadonly && (ts.isAssignmentTarget(node) || ts.isDeleteTarget(node))) {
- error(node, ts.Diagnostics.Index_signature_in_type_0_only_permits_reading, typeToString(apparentType));
- }
- propType = indexInfo.type;
- }
- else {
- checkPropertyNotUsedBeforeDeclaration(prop, node, right);
- markPropertyAsReferenced(prop, node, left.kind === 104 /* ThisKeyword */);
- getNodeLinks(node).resolvedSymbol = prop;
- checkPropertyAccessibility(node, left.kind === 102 /* SuperKeyword */, apparentType, prop);
- if (isAssignmentToReadonlyEntity(node, prop, assignmentKind)) {
- error(right, ts.Diagnostics.Cannot_assign_to_0_because_it_is_a_read_only_property, ts.idText(right));
- return errorType;
- }
- propType = getConstraintForLocation(getTypeOfSymbol(prop), node);
- }
- return getFlowTypeOfAccessExpression(node, prop, propType, right);
- }
- function getFlowTypeOfAccessExpression(node, prop, propType, errorNode) {
- // Only compute control flow type if this is a property access expression that isn't an
- // assignment target, and the referenced property was declared as a variable, property,
- // accessor, or optional method.
- var assignmentKind = ts.getAssignmentTargetKind(node);
- if (!ts.isAccessExpression(node) ||
- assignmentKind === 1 /* Definite */ ||
- prop && !(prop.flags & (3 /* Variable */ | 4 /* Property */ | 98304 /* Accessor */)) && !(prop.flags & 8192 /* Method */ && propType.flags & 1048576 /* Union */)) {
- return propType;
- }
- // If strict null checks and strict property initialization checks are enabled, if we have
- // a this.xxx property access, if the property is an instance property without an initializer,
- // and if we are in a constructor of the same class as the property declaration, assume that
- // the property is uninitialized at the top of the control flow.
- var assumeUninitialized = false;
- if (strictNullChecks && strictPropertyInitialization && node.expression.kind === 104 /* ThisKeyword */) {
- var declaration = prop && prop.valueDeclaration;
- if (declaration && isInstancePropertyWithoutInitializer(declaration)) {
- var flowContainer = getControlFlowContainer(node);
- if (flowContainer.kind === 162 /* Constructor */ && flowContainer.parent === declaration.parent && !(declaration.flags & 8388608 /* Ambient */)) {
- assumeUninitialized = true;
- }
- }
- }
- else if (strictNullChecks && prop && prop.valueDeclaration &&
- ts.isPropertyAccessExpression(prop.valueDeclaration) &&
- ts.getAssignmentDeclarationPropertyAccessKind(prop.valueDeclaration) &&
- getControlFlowContainer(node) === getControlFlowContainer(prop.valueDeclaration)) {
- assumeUninitialized = true;
- }
- var flowType = getFlowTypeOfReference(node, propType, assumeUninitialized ? getOptionalType(propType) : propType);
- if (assumeUninitialized && !(getFalsyFlags(propType) & 32768 /* Undefined */) && getFalsyFlags(flowType) & 32768 /* Undefined */) {
- error(errorNode, ts.Diagnostics.Property_0_is_used_before_being_assigned, symbolToString(prop)); // TODO: GH#18217
- // Return the declared type to reduce follow-on errors
- return propType;
- }
- return assignmentKind ? getBaseTypeOfLiteralType(flowType) : flowType;
- }
- function checkPropertyNotUsedBeforeDeclaration(prop, node, right) {
- var valueDeclaration = prop.valueDeclaration;
- if (!valueDeclaration || ts.getSourceFileOfNode(node).isDeclarationFile) {
- return;
- }
- var diagnosticMessage;
- var declarationName = ts.idText(right);
- if (isInPropertyInitializer(node)
- && !(ts.isAccessExpression(node) && ts.isAccessExpression(node.expression))
- && !isBlockScopedNameDeclaredBeforeUse(valueDeclaration, right)
- && !isPropertyDeclaredInAncestorClass(prop)) {
- diagnosticMessage = error(right, ts.Diagnostics.Property_0_is_used_before_its_initialization, declarationName);
- }
- else if (valueDeclaration.kind === 245 /* ClassDeclaration */ &&
- node.parent.kind !== 169 /* TypeReference */ &&
- !(valueDeclaration.flags & 8388608 /* Ambient */) &&
- !isBlockScopedNameDeclaredBeforeUse(valueDeclaration, right)) {
- diagnosticMessage = error(right, ts.Diagnostics.Class_0_used_before_its_declaration, declarationName);
- }
- if (diagnosticMessage) {
- ts.addRelatedInfo(diagnosticMessage, ts.createDiagnosticForNode(valueDeclaration, ts.Diagnostics._0_is_declared_here, declarationName));
- }
- }
- function isInPropertyInitializer(node) {
- return !!ts.findAncestor(node, function (node) {
- switch (node.kind) {
- case 159 /* PropertyDeclaration */:
- return true;
- case 281 /* PropertyAssignment */:
- case 161 /* MethodDeclaration */:
- case 163 /* GetAccessor */:
- case 164 /* SetAccessor */:
- case 283 /* SpreadAssignment */:
- case 154 /* ComputedPropertyName */:
- case 221 /* TemplateSpan */:
- case 276 /* JsxExpression */:
- case 273 /* JsxAttribute */:
- case 274 /* JsxAttributes */:
- case 275 /* JsxSpreadAttribute */:
- case 268 /* JsxOpeningElement */:
- case 216 /* ExpressionWithTypeArguments */:
- case 279 /* HeritageClause */:
- return false;
- default:
- return ts.isExpressionNode(node) ? false : "quit";
- }
- });
- }
- /**
- * It's possible that "prop.valueDeclaration" is a local declaration, but the property was also declared in a superclass.
- * In that case we won't consider it used before its declaration, because it gets its value from the superclass' declaration.
- */
- function isPropertyDeclaredInAncestorClass(prop) {
- if (!(prop.parent.flags & 32 /* Class */)) {
- return false;
- }
- var classType = getTypeOfSymbol(prop.parent);
- while (true) {
- classType = classType.symbol && getSuperClass(classType);
- if (!classType) {
- return false;
- }
- var superProperty = getPropertyOfType(classType, prop.escapedName);
- if (superProperty && superProperty.valueDeclaration) {
- return true;
- }
- }
- }
- function getSuperClass(classType) {
- var x = getBaseTypes(classType);
- if (x.length === 0) {
- return undefined;
- }
- return getIntersectionType(x);
- }
- function reportNonexistentProperty(propNode, containingType) {
- var errorInfo;
- var relatedInfo;
- if (!ts.isPrivateIdentifier(propNode) && containingType.flags & 1048576 /* Union */ && !(containingType.flags & 131068 /* Primitive */)) {
- for (var _i = 0, _a = containingType.types; _i < _a.length; _i++) {
- var subtype = _a[_i];
- if (!getPropertyOfType(subtype, propNode.escapedText) && !getIndexInfoOfType(subtype, 0 /* String */)) {
- errorInfo = ts.chainDiagnosticMessages(errorInfo, ts.Diagnostics.Property_0_does_not_exist_on_type_1, ts.declarationNameToString(propNode), typeToString(subtype));
- break;
- }
- }
- }
- if (typeHasStaticProperty(propNode.escapedText, containingType)) {
- errorInfo = ts.chainDiagnosticMessages(errorInfo, ts.Diagnostics.Property_0_is_a_static_member_of_type_1, ts.declarationNameToString(propNode), typeToString(containingType));
- }
- else {
- var promisedType = getPromisedTypeOfPromise(containingType);
- if (promisedType && getPropertyOfType(promisedType, propNode.escapedText)) {
- errorInfo = ts.chainDiagnosticMessages(errorInfo, ts.Diagnostics.Property_0_does_not_exist_on_type_1, ts.declarationNameToString(propNode), typeToString(containingType));
- relatedInfo = ts.createDiagnosticForNode(propNode, ts.Diagnostics.Did_you_forget_to_use_await);
- }
- else {
- var suggestion = getSuggestedSymbolForNonexistentProperty(propNode, containingType);
- if (suggestion !== undefined) {
- var suggestedName = ts.symbolName(suggestion);
- errorInfo = ts.chainDiagnosticMessages(errorInfo, ts.Diagnostics.Property_0_does_not_exist_on_type_1_Did_you_mean_2, ts.declarationNameToString(propNode), typeToString(containingType), suggestedName);
- relatedInfo = suggestion.valueDeclaration && ts.createDiagnosticForNode(suggestion.valueDeclaration, ts.Diagnostics._0_is_declared_here, suggestedName);
- }
- else {
- errorInfo = ts.chainDiagnosticMessages(elaborateNeverIntersection(errorInfo, containingType), ts.Diagnostics.Property_0_does_not_exist_on_type_1, ts.declarationNameToString(propNode), typeToString(containingType));
- }
- }
- }
- var resultDiagnostic = ts.createDiagnosticForNodeFromMessageChain(propNode, errorInfo);
- if (relatedInfo) {
- ts.addRelatedInfo(resultDiagnostic, relatedInfo);
- }
- diagnostics.add(resultDiagnostic);
- }
- function typeHasStaticProperty(propName, containingType) {
- var prop = containingType.symbol && getPropertyOfType(getTypeOfSymbol(containingType.symbol), propName);
- return prop !== undefined && prop.valueDeclaration && ts.hasModifier(prop.valueDeclaration, 32 /* Static */);
- }
- function getSuggestedSymbolForNonexistentProperty(name, containingType) {
- return getSpellingSuggestionForName(ts.isString(name) ? name : ts.idText(name), getPropertiesOfType(containingType), 111551 /* Value */);
- }
- function getSuggestionForNonexistentProperty(name, containingType) {
- var suggestion = getSuggestedSymbolForNonexistentProperty(name, containingType);
- return suggestion && ts.symbolName(suggestion);
- }
- function getSuggestedSymbolForNonexistentSymbol(location, outerName, meaning) {
- ts.Debug.assert(outerName !== undefined, "outername should always be defined");
- var result = resolveNameHelper(location, outerName, meaning, /*nameNotFoundMessage*/ undefined, outerName, /*isUse*/ false, /*excludeGlobals*/ false, function (symbols, name, meaning) {
- ts.Debug.assertEqual(outerName, name, "name should equal outerName");
- var symbol = getSymbol(symbols, name, meaning);
- // Sometimes the symbol is found when location is a return type of a function: `typeof x` and `x` is declared in the body of the function
- // So the table *contains* `x` but `x` isn't actually in scope.
- // However, resolveNameHelper will continue and call this callback again, so we'll eventually get a correct suggestion.
- return symbol || getSpellingSuggestionForName(ts.unescapeLeadingUnderscores(name), ts.arrayFrom(symbols.values()), meaning);
- });
- return result;
- }
- function getSuggestionForNonexistentSymbol(location, outerName, meaning) {
- var symbolResult = getSuggestedSymbolForNonexistentSymbol(location, outerName, meaning);
- return symbolResult && ts.symbolName(symbolResult);
- }
- function getSuggestedSymbolForNonexistentModule(name, targetModule) {
- return targetModule.exports && getSpellingSuggestionForName(ts.idText(name), getExportsOfModuleAsArray(targetModule), 2623475 /* ModuleMember */);
- }
- function getSuggestionForNonexistentExport(name, targetModule) {
- var suggestion = getSuggestedSymbolForNonexistentModule(name, targetModule);
- return suggestion && ts.symbolName(suggestion);
- }
- function getSuggestionForNonexistentIndexSignature(objectType, expr, keyedType) {
- // check if object type has setter or getter
- function hasProp(name) {
- var prop = getPropertyOfObjectType(objectType, name);
- if (prop) {
- var s = getSingleCallSignature(getTypeOfSymbol(prop));
- return !!s && getMinArgumentCount(s) >= 1 && isTypeAssignableTo(keyedType, getTypeAtPosition(s, 0));
- }
- return false;
- }
- ;
- var suggestedMethod = ts.isAssignmentTarget(expr) ? "set" : "get";
- if (!hasProp(suggestedMethod)) {
- return undefined;
- }
- var suggestion = ts.tryGetPropertyAccessOrIdentifierToString(expr.expression);
- if (suggestion === undefined) {
- suggestion = suggestedMethod;
- }
- else {
- suggestion += "." + suggestedMethod;
- }
- return suggestion;
- }
- /**
- * Given a name and a list of symbols whose names are *not* equal to the name, return a spelling suggestion if there is one that is close enough.
- * Names less than length 3 only check for case-insensitive equality, not levenshtein distance.
- *
- * If there is a candidate that's the same except for case, return that.
- * If there is a candidate that's within one edit of the name, return that.
- * Otherwise, return the candidate with the smallest Levenshtein distance,
- * except for candidates:
- * * With no name
- * * Whose meaning doesn't match the `meaning` parameter.
- * * Whose length differs from the target name by more than 0.34 of the length of the name.
- * * Whose levenshtein distance is more than 0.4 of the length of the name
- * (0.4 allows 1 substitution/transposition for every 5 characters,
- * and 1 insertion/deletion at 3 characters)
- */
- function getSpellingSuggestionForName(name, symbols, meaning) {
- return ts.getSpellingSuggestion(name, symbols, getCandidateName);
- function getCandidateName(candidate) {
- var candidateName = ts.symbolName(candidate);
- if (ts.startsWith(candidateName, "\"")) {
- return undefined;
- }
- if (candidate.flags & meaning) {
- return candidateName;
- }
- if (candidate.flags & 2097152 /* Alias */) {
- var alias = tryResolveAlias(candidate);
- if (alias && alias.flags & meaning) {
- return candidateName;
- }
- }
- return undefined;
- }
- }
- function markPropertyAsReferenced(prop, nodeForCheckWriteOnly, isThisAccess) {
- var valueDeclaration = prop && (prop.flags & 106500 /* ClassMember */) && prop.valueDeclaration;
- if (!valueDeclaration) {
- return;
- }
- var hasPrivateModifier = ts.hasModifier(valueDeclaration, 8 /* Private */);
- var hasPrivateIdentifier = ts.isNamedDeclaration(prop.valueDeclaration) && ts.isPrivateIdentifier(prop.valueDeclaration.name);
- if (!hasPrivateModifier && !hasPrivateIdentifier) {
- return;
- }
- if (nodeForCheckWriteOnly && ts.isWriteOnlyAccess(nodeForCheckWriteOnly) && !(prop.flags & 65536 /* SetAccessor */)) {
- return;
- }
- if (isThisAccess) {
- // Find any FunctionLikeDeclaration because those create a new 'this' binding. But this should only matter for methods (or getters/setters).
- var containingMethod = ts.findAncestor(nodeForCheckWriteOnly, ts.isFunctionLikeDeclaration);
- if (containingMethod && containingMethod.symbol === prop) {
- return;
- }
- }
- (ts.getCheckFlags(prop) & 1 /* Instantiated */ ? getSymbolLinks(prop).target : prop).isReferenced = 67108863 /* All */;
- }
- function isValidPropertyAccess(node, propertyName) {
- switch (node.kind) {
- case 194 /* PropertyAccessExpression */:
- return isValidPropertyAccessWithType(node, node.expression.kind === 102 /* SuperKeyword */, propertyName, getWidenedType(checkExpression(node.expression)));
- case 153 /* QualifiedName */:
- return isValidPropertyAccessWithType(node, /*isSuper*/ false, propertyName, getWidenedType(checkExpression(node.left)));
- case 188 /* ImportType */:
- return isValidPropertyAccessWithType(node, /*isSuper*/ false, propertyName, getTypeFromTypeNode(node));
- }
- }
- function isValidPropertyAccessForCompletions(node, type, property) {
- return isValidPropertyAccessWithType(node, node.kind === 194 /* PropertyAccessExpression */ && node.expression.kind === 102 /* SuperKeyword */, property.escapedName, type);
- // Previously we validated the 'this' type of methods but this adversely affected performance. See #31377 for more context.
- }
- function isValidPropertyAccessWithType(node, isSuper, propertyName, type) {
- if (type === errorType || isTypeAny(type)) {
- return true;
- }
- var prop = getPropertyOfType(type, propertyName);
- if (prop) {
- if (ts.isPropertyAccessExpression(node) && prop.valueDeclaration && ts.isPrivateIdentifierPropertyDeclaration(prop.valueDeclaration)) {
- var declClass_1 = ts.getContainingClass(prop.valueDeclaration);
- return !ts.isOptionalChain(node) && !!ts.findAncestor(node, function (parent) { return parent === declClass_1; });
- }
- return checkPropertyAccessibility(node, isSuper, type, prop);
- }
- // In js files properties of unions are allowed in completion
- return ts.isInJSFile(node) && (type.flags & 1048576 /* Union */) !== 0 && type.types.some(function (elementType) { return isValidPropertyAccessWithType(node, isSuper, propertyName, elementType); });
- }
- /**
- * Return the symbol of the for-in variable declared or referenced by the given for-in statement.
- */
- function getForInVariableSymbol(node) {
- var initializer = node.initializer;
- if (initializer.kind === 243 /* VariableDeclarationList */) {
- var variable = initializer.declarations[0];
- if (variable && !ts.isBindingPattern(variable.name)) {
- return getSymbolOfNode(variable);
- }
- }
- else if (initializer.kind === 75 /* Identifier */) {
- return getResolvedSymbol(initializer);
- }
- return undefined;
- }
- /**
- * Return true if the given type is considered to have numeric property names.
- */
- function hasNumericPropertyNames(type) {
- return getIndexTypeOfType(type, 1 /* Number */) && !getIndexTypeOfType(type, 0 /* String */);
- }
- /**
- * Return true if given node is an expression consisting of an identifier (possibly parenthesized)
- * that references a for-in variable for an object with numeric property names.
- */
- function isForInVariableForNumericPropertyNames(expr) {
- var e = ts.skipParentheses(expr);
- if (e.kind === 75 /* Identifier */) {
- var symbol = getResolvedSymbol(e);
- if (symbol.flags & 3 /* Variable */) {
- var child = expr;
- var node = expr.parent;
- while (node) {
- if (node.kind === 231 /* ForInStatement */ &&
- child === node.statement &&
- getForInVariableSymbol(node) === symbol &&
- hasNumericPropertyNames(getTypeOfExpression(node.expression))) {
- return true;
- }
- child = node;
- node = node.parent;
- }
- }
- }
- return false;
- }
- function checkIndexedAccess(node) {
- return node.flags & 32 /* OptionalChain */ ? checkElementAccessChain(node) :
- checkElementAccessExpression(node, checkNonNullExpression(node.expression));
- }
- function checkElementAccessChain(node) {
- var exprType = checkExpression(node.expression);
- var nonOptionalType = getOptionalExpressionType(exprType, node.expression);
- return propagateOptionalTypeMarker(checkElementAccessExpression(node, checkNonNullType(nonOptionalType, node.expression)), node, nonOptionalType !== exprType);
- }
- function checkElementAccessExpression(node, exprType) {
- var objectType = ts.getAssignmentTargetKind(node) !== 0 /* None */ || isMethodAccessForCall(node) ? getWidenedType(exprType) : exprType;
- var indexExpression = node.argumentExpression;
- var indexType = checkExpression(indexExpression);
- if (objectType === errorType || objectType === silentNeverType) {
- return objectType;
- }
- if (isConstEnumObjectType(objectType) && !ts.isStringLiteralLike(indexExpression)) {
- error(indexExpression, ts.Diagnostics.A_const_enum_member_can_only_be_accessed_using_a_string_literal);
- return errorType;
- }
- var effectiveIndexType = isForInVariableForNumericPropertyNames(indexExpression) ? numberType : indexType;
- var accessFlags = ts.isAssignmentTarget(node) ?
- 2 /* Writing */ | (isGenericObjectType(objectType) && !isThisTypeParameter(objectType) ? 1 /* NoIndexSignatures */ : 0) :
- 0 /* None */;
- var indexedAccessType = getIndexedAccessTypeOrUndefined(objectType, effectiveIndexType, node, accessFlags) || errorType;
- return checkIndexedAccessIndexType(getFlowTypeOfAccessExpression(node, indexedAccessType.symbol, indexedAccessType, indexExpression), node);
- }
- function checkThatExpressionIsProperSymbolReference(expression, expressionType, reportError) {
- if (expressionType === errorType) {
- // There is already an error, so no need to report one.
- return false;
- }
- if (!ts.isWellKnownSymbolSyntactically(expression)) {
- return false;
- }
- // Make sure the property type is the primitive symbol type
- if ((expressionType.flags & 12288 /* ESSymbolLike */) === 0) {
- if (reportError) {
- error(expression, ts.Diagnostics.A_computed_property_name_of_the_form_0_must_be_of_type_symbol, ts.getTextOfNode(expression));
- }
- return false;
- }
- // The name is Symbol.<someName>, so make sure Symbol actually resolves to the
- // global Symbol object
- var leftHandSide = expression.expression;
- var leftHandSideSymbol = getResolvedSymbol(leftHandSide);
- if (!leftHandSideSymbol) {
- return false;
- }
- var globalESSymbol = getGlobalESSymbolConstructorSymbol(/*reportErrors*/ true);
- if (!globalESSymbol) {
- // Already errored when we tried to look up the symbol
- return false;
- }
- if (leftHandSideSymbol !== globalESSymbol) {
- if (reportError) {
- error(leftHandSide, ts.Diagnostics.Symbol_reference_does_not_refer_to_the_global_Symbol_constructor_object);
- }
- return false;
- }
- return true;
- }
- function callLikeExpressionMayHaveTypeArguments(node) {
- return ts.isCallOrNewExpression(node) || ts.isTaggedTemplateExpression(node) || ts.isJsxOpeningLikeElement(node);
- }
- function resolveUntypedCall(node) {
- if (callLikeExpressionMayHaveTypeArguments(node)) {
- // Check type arguments even though we will give an error that untyped calls may not accept type arguments.
- // This gets us diagnostics for the type arguments and marks them as referenced.
- ts.forEach(node.typeArguments, checkSourceElement);
- }
- if (node.kind === 198 /* TaggedTemplateExpression */) {
- checkExpression(node.template);
- }
- else if (ts.isJsxOpeningLikeElement(node)) {
- checkExpression(node.attributes);
- }
- else if (node.kind !== 157 /* Decorator */) {
- ts.forEach(node.arguments, function (argument) {
- checkExpression(argument);
- });
- }
- return anySignature;
- }
- function resolveErrorCall(node) {
- resolveUntypedCall(node);
- return unknownSignature;
- }
- // Re-order candidate signatures into the result array. Assumes the result array to be empty.
- // The candidate list orders groups in reverse, but within a group signatures are kept in declaration order
- // A nit here is that we reorder only signatures that belong to the same symbol,
- // so order how inherited signatures are processed is still preserved.
- // interface A { (x: string): void }
- // interface B extends A { (x: 'foo'): string }
- // const b: B;
- // b('foo') // <- here overloads should be processed as [(x:'foo'): string, (x: string): void]
- function reorderCandidates(signatures, result, callChainFlags) {
- var lastParent;
- var lastSymbol;
- var cutoffIndex = 0;
- var index;
- var specializedIndex = -1;
- var spliceIndex;
- ts.Debug.assert(!result.length);
- for (var _i = 0, signatures_7 = signatures; _i < signatures_7.length; _i++) {
- var signature = signatures_7[_i];
- var symbol = signature.declaration && getSymbolOfNode(signature.declaration);
- var parent = signature.declaration && signature.declaration.parent;
- if (!lastSymbol || symbol === lastSymbol) {
- if (lastParent && parent === lastParent) {
- index = index + 1;
- }
- else {
- lastParent = parent;
- index = cutoffIndex;
- }
- }
- else {
- // current declaration belongs to a different symbol
- // set cutoffIndex so re-orderings in the future won't change result set from 0 to cutoffIndex
- index = cutoffIndex = result.length;
- lastParent = parent;
- }
- lastSymbol = symbol;
- // specialized signatures always need to be placed before non-specialized signatures regardless
- // of the cutoff position; see GH#1133
- if (signatureHasLiteralTypes(signature)) {
- specializedIndex++;
- spliceIndex = specializedIndex;
- // The cutoff index always needs to be greater than or equal to the specialized signature index
- // in order to prevent non-specialized signatures from being added before a specialized
- // signature.
- cutoffIndex++;
- }
- else {
- spliceIndex = index;
- }
- result.splice(spliceIndex, 0, callChainFlags ? getOptionalCallSignature(signature, callChainFlags) : signature);
- }
- }
- function isSpreadArgument(arg) {
- return !!arg && (arg.kind === 213 /* SpreadElement */ || arg.kind === 220 /* SyntheticExpression */ && arg.isSpread);
- }
- function getSpreadArgumentIndex(args) {
- return ts.findIndex(args, isSpreadArgument);
- }
- function acceptsVoid(t) {
- return !!(t.flags & 16384 /* Void */);
- }
- function hasCorrectArity(node, args, signature, signatureHelpTrailingComma) {
- if (signatureHelpTrailingComma === void 0) { signatureHelpTrailingComma = false; }
- var argCount;
- var callIsIncomplete = false; // In incomplete call we want to be lenient when we have too few arguments
- var effectiveParameterCount = getParameterCount(signature);
- var effectiveMinimumArguments = getMinArgumentCount(signature);
- if (node.kind === 198 /* TaggedTemplateExpression */) {
- argCount = args.length;
- if (node.template.kind === 211 /* TemplateExpression */) {
- // If a tagged template expression lacks a tail literal, the call is incomplete.
- // Specifically, a template only can end in a TemplateTail or a Missing literal.
- var lastSpan = ts.last(node.template.templateSpans); // we should always have at least one span.
- callIsIncomplete = ts.nodeIsMissing(lastSpan.literal) || !!lastSpan.literal.isUnterminated;
- }
- else {
- // If the template didn't end in a backtick, or its beginning occurred right prior to EOF,
- // then this might actually turn out to be a TemplateHead in the future;
- // so we consider the call to be incomplete.
- var templateLiteral = node.template;
- ts.Debug.assert(templateLiteral.kind === 14 /* NoSubstitutionTemplateLiteral */);
- callIsIncomplete = !!templateLiteral.isUnterminated;
- }
- }
- else if (node.kind === 157 /* Decorator */) {
- argCount = getDecoratorArgumentCount(node, signature);
- }
- else if (ts.isJsxOpeningLikeElement(node)) {
- callIsIncomplete = node.attributes.end === node.end;
- if (callIsIncomplete) {
- return true;
- }
- argCount = effectiveMinimumArguments === 0 ? args.length : 1;
- effectiveParameterCount = args.length === 0 ? effectiveParameterCount : 1; // class may have argumentless ctor functions - still resolve ctor and compare vs props member type
- effectiveMinimumArguments = Math.min(effectiveMinimumArguments, 1); // sfc may specify context argument - handled by framework and not typechecked
- }
- else {
- if (!node.arguments) {
- // This only happens when we have something of the form: 'new C'
- ts.Debug.assert(node.kind === 197 /* NewExpression */);
- return getMinArgumentCount(signature) === 0;
- }
- argCount = signatureHelpTrailingComma ? args.length + 1 : args.length;
- // If we are missing the close parenthesis, the call is incomplete.
- callIsIncomplete = node.arguments.end === node.end;
- // If a spread argument is present, check that it corresponds to a rest parameter or at least that it's in the valid range.
- var spreadArgIndex = getSpreadArgumentIndex(args);
- if (spreadArgIndex >= 0) {
- return spreadArgIndex >= getMinArgumentCount(signature) && (hasEffectiveRestParameter(signature) || spreadArgIndex < getParameterCount(signature));
- }
- }
- // Too many arguments implies incorrect arity.
- if (!hasEffectiveRestParameter(signature) && argCount > effectiveParameterCount) {
- return false;
- }
- // If the call is incomplete, we should skip the lower bound check.
- // JSX signatures can have extra parameters provided by the library which we don't check
- if (callIsIncomplete || argCount >= effectiveMinimumArguments) {
- return true;
- }
- for (var i = argCount; i < effectiveMinimumArguments; i++) {
- var type = getTypeAtPosition(signature, i);
- if (filterType(type, acceptsVoid).flags & 131072 /* Never */) {
- return false;
- }
- }
- return true;
- }
- function hasCorrectTypeArgumentArity(signature, typeArguments) {
- // If the user supplied type arguments, but the number of type arguments does not match
- // the declared number of type parameters, the call has an incorrect arity.
- var numTypeParameters = ts.length(signature.typeParameters);
- var minTypeArgumentCount = getMinTypeArgumentCount(signature.typeParameters);
- return !ts.some(typeArguments) ||
- (typeArguments.length >= minTypeArgumentCount && typeArguments.length <= numTypeParameters);
- }
- // If type has a single call signature and no other members, return that signature. Otherwise, return undefined.
- function getSingleCallSignature(type) {
- return getSingleSignature(type, 0 /* Call */, /*allowMembers*/ false);
- }
- function getSingleCallOrConstructSignature(type) {
- return getSingleSignature(type, 0 /* Call */, /*allowMembers*/ false) ||
- getSingleSignature(type, 1 /* Construct */, /*allowMembers*/ false);
- }
- function getSingleSignature(type, kind, allowMembers) {
- if (type.flags & 524288 /* Object */) {
- var resolved = resolveStructuredTypeMembers(type);
- if (allowMembers || resolved.properties.length === 0 && !resolved.stringIndexInfo && !resolved.numberIndexInfo) {
- if (kind === 0 /* Call */ && resolved.callSignatures.length === 1 && resolved.constructSignatures.length === 0) {
- return resolved.callSignatures[0];
- }
- if (kind === 1 /* Construct */ && resolved.constructSignatures.length === 1 && resolved.callSignatures.length === 0) {
- return resolved.constructSignatures[0];
- }
- }
- }
- return undefined;
- }
- // Instantiate a generic signature in the context of a non-generic signature (section 3.8.5 in TypeScript spec)
- function instantiateSignatureInContextOf(signature, contextualSignature, inferenceContext, compareTypes) {
- var context = createInferenceContext(signature.typeParameters, signature, 0 /* None */, compareTypes);
- // We clone the inferenceContext to avoid fixing. For example, when the source signature is <T>(x: T) => T[] and
- // the contextual signature is (...args: A) => B, we want to infer the element type of A's constraint (say 'any')
- // for T but leave it possible to later infer '[any]' back to A.
- var restType = getEffectiveRestType(contextualSignature);
- var mapper = inferenceContext && (restType && restType.flags & 262144 /* TypeParameter */ ? inferenceContext.nonFixingMapper : inferenceContext.mapper);
- var sourceSignature = mapper ? instantiateSignature(contextualSignature, mapper) : contextualSignature;
- applyToParameterTypes(sourceSignature, signature, function (source, target) {
- // Type parameters from outer context referenced by source type are fixed by instantiation of the source type
- inferTypes(context.inferences, source, target);
- });
- if (!inferenceContext) {
- applyToReturnTypes(contextualSignature, signature, function (source, target) {
- inferTypes(context.inferences, source, target, 32 /* ReturnType */);
- });
- }
- return getSignatureInstantiation(signature, getInferredTypes(context), ts.isInJSFile(contextualSignature.declaration));
- }
- function inferJsxTypeArguments(node, signature, checkMode, context) {
- var paramType = getEffectiveFirstArgumentForJsxSignature(signature, node);
- var checkAttrType = checkExpressionWithContextualType(node.attributes, paramType, context, checkMode);
- inferTypes(context.inferences, checkAttrType, paramType);
- return getInferredTypes(context);
- }
- function inferTypeArguments(node, signature, args, checkMode, context) {
- if (ts.isJsxOpeningLikeElement(node)) {
- return inferJsxTypeArguments(node, signature, checkMode, context);
- }
- // If a contextual type is available, infer from that type to the return type of the call expression. For
- // example, given a 'function wrap<T, U>(cb: (x: T) => U): (x: T) => U' and a call expression
- // 'let f: (x: string) => number = wrap(s => s.length)', we infer from the declared type of 'f' to the
- // return type of 'wrap'.
- if (node.kind !== 157 /* Decorator */) {
- var contextualType = getContextualType(node);
- if (contextualType) {
- // We clone the inference context to avoid disturbing a resolution in progress for an
- // outer call expression. Effectively we just want a snapshot of whatever has been
- // inferred for any outer call expression so far.
- var outerContext = getInferenceContext(node);
- var outerMapper = getMapperFromContext(cloneInferenceContext(outerContext, 1 /* NoDefault */));
- var instantiatedType = instantiateType(contextualType, outerMapper);
- // If the contextual type is a generic function type with a single call signature, we
- // instantiate the type with its own type parameters and type arguments. This ensures that
- // the type parameters are not erased to type any during type inference such that they can
- // be inferred as actual types from the contextual type. For example:
- // declare function arrayMap<T, U>(f: (x: T) => U): (a: T[]) => U[];
- // const boxElements: <A>(a: A[]) => { value: A }[] = arrayMap(value => ({ value }));
- // Above, the type of the 'value' parameter is inferred to be 'A'.
- var contextualSignature = getSingleCallSignature(instantiatedType);
- var inferenceSourceType = contextualSignature && contextualSignature.typeParameters ?
- getOrCreateTypeFromSignature(getSignatureInstantiationWithoutFillingInTypeArguments(contextualSignature, contextualSignature.typeParameters)) :
- instantiatedType;
- var inferenceTargetType = getReturnTypeOfSignature(signature);
- // Inferences made from return types have lower priority than all other inferences.
- inferTypes(context.inferences, inferenceSourceType, inferenceTargetType, 32 /* ReturnType */);
- // Create a type mapper for instantiating generic contextual types using the inferences made
- // from the return type. We need a separate inference pass here because (a) instantiation of
- // the source type uses the outer context's return mapper (which excludes inferences made from
- // outer arguments), and (b) we don't want any further inferences going into this context.
- var returnContext = createInferenceContext(signature.typeParameters, signature, context.flags);
- var returnSourceType = instantiateType(contextualType, outerContext && outerContext.returnMapper);
- inferTypes(returnContext.inferences, returnSourceType, inferenceTargetType);
- context.returnMapper = ts.some(returnContext.inferences, hasInferenceCandidates) ? getMapperFromContext(cloneInferredPartOfContext(returnContext)) : undefined;
- }
- }
- var thisType = getThisTypeOfSignature(signature);
- if (thisType) {
- var thisArgumentNode = getThisArgumentOfCall(node);
- var thisArgumentType = thisArgumentNode ? checkExpression(thisArgumentNode) : voidType;
- inferTypes(context.inferences, thisArgumentType, thisType);
- }
- var restType = getNonArrayRestType(signature);
- var argCount = restType ? Math.min(getParameterCount(signature) - 1, args.length) : args.length;
- for (var i = 0; i < argCount; i++) {
- var arg = args[i];
- if (arg.kind !== 215 /* OmittedExpression */) {
- var paramType = getTypeAtPosition(signature, i);
- var argType = checkExpressionWithContextualType(arg, paramType, context, checkMode);
- inferTypes(context.inferences, argType, paramType);
- }
- }
- if (restType) {
- var spreadType = getSpreadArgumentType(args, argCount, args.length, restType, context);
- inferTypes(context.inferences, spreadType, restType);
- }
- return getInferredTypes(context);
- }
- function getArrayifiedType(type) {
- return type.flags & 1048576 /* Union */ ? mapType(type, getArrayifiedType) :
- type.flags & (1 /* Any */ | 63176704 /* Instantiable */) || isMutableArrayOrTuple(type) ? type :
- isTupleType(type) ? createTupleType(getTypeArguments(type), type.target.minLength, type.target.hasRestElement, /*readonly*/ false, type.target.associatedNames) :
- createArrayType(getIndexedAccessType(type, numberType));
- }
- function getSpreadArgumentType(args, index, argCount, restType, context) {
- if (index >= argCount - 1) {
- var arg = args[argCount - 1];
- if (isSpreadArgument(arg)) {
- // We are inferring from a spread expression in the last argument position, i.e. both the parameter
- // and the argument are ...x forms.
- return arg.kind === 220 /* SyntheticExpression */ ?
- createArrayType(arg.type) :
- getArrayifiedType(checkExpressionWithContextualType(arg.expression, restType, context, 0 /* Normal */));
- }
- }
- var types = [];
- var spreadIndex = -1;
- for (var i = index; i < argCount; i++) {
- var contextualType = getIndexedAccessType(restType, getLiteralType(i - index));
- var argType = checkExpressionWithContextualType(args[i], contextualType, context, 0 /* Normal */);
- if (spreadIndex < 0 && isSpreadArgument(args[i])) {
- spreadIndex = i - index;
- }
- var hasPrimitiveContextualType = maybeTypeOfKind(contextualType, 131068 /* Primitive */ | 4194304 /* Index */);
- types.push(hasPrimitiveContextualType ? getRegularTypeOfLiteralType(argType) : getWidenedLiteralType(argType));
- }
- return spreadIndex < 0 ?
- createTupleType(types) :
- createTupleType(ts.append(types.slice(0, spreadIndex), getUnionType(types.slice(spreadIndex))), spreadIndex, /*hasRestElement*/ true);
- }
- function checkTypeArguments(signature, typeArgumentNodes, reportErrors, headMessage) {
- var isJavascript = ts.isInJSFile(signature.declaration);
- var typeParameters = signature.typeParameters;
- var typeArgumentTypes = fillMissingTypeArguments(ts.map(typeArgumentNodes, getTypeFromTypeNode), typeParameters, getMinTypeArgumentCount(typeParameters), isJavascript);
- var mapper;
- for (var i = 0; i < typeArgumentNodes.length; i++) {
- ts.Debug.assert(typeParameters[i] !== undefined, "Should not call checkTypeArguments with too many type arguments");
- var constraint = getConstraintOfTypeParameter(typeParameters[i]);
- if (constraint) {
- var errorInfo = reportErrors && headMessage ? (function () { return ts.chainDiagnosticMessages(/*details*/ undefined, ts.Diagnostics.Type_0_does_not_satisfy_the_constraint_1); }) : undefined;
- var typeArgumentHeadMessage = headMessage || ts.Diagnostics.Type_0_does_not_satisfy_the_constraint_1;
- if (!mapper) {
- mapper = createTypeMapper(typeParameters, typeArgumentTypes);
- }
- var typeArgument = typeArgumentTypes[i];
- if (!checkTypeAssignableTo(typeArgument, getTypeWithThisArgument(instantiateType(constraint, mapper), typeArgument), reportErrors ? typeArgumentNodes[i] : undefined, typeArgumentHeadMessage, errorInfo)) {
- return undefined;
- }
- }
- }
- return typeArgumentTypes;
- }
- function getJsxReferenceKind(node) {
- if (isJsxIntrinsicIdentifier(node.tagName)) {
- return 2 /* Mixed */;
- }
- var tagType = getApparentType(checkExpression(node.tagName));
- if (ts.length(getSignaturesOfType(tagType, 1 /* Construct */))) {
- return 0 /* Component */;
- }
- if (ts.length(getSignaturesOfType(tagType, 0 /* Call */))) {
- return 1 /* Function */;
- }
- return 2 /* Mixed */;
- }
- /**
- * Check if the given signature can possibly be a signature called by the JSX opening-like element.
- * @param node a JSX opening-like element we are trying to figure its call signature
- * @param signature a candidate signature we are trying whether it is a call signature
- * @param relation a relationship to check parameter and argument type
- */
- function checkApplicableSignatureForJsxOpeningLikeElement(node, signature, relation, checkMode, reportErrors, containingMessageChain, errorOutputContainer) {
- // Stateless function components can have maximum of three arguments: "props", "context", and "updater".
- // However "context" and "updater" are implicit and can't be specify by users. Only the first parameter, props,
- // can be specified by users through attributes property.
- var paramType = getEffectiveFirstArgumentForJsxSignature(signature, node);
- var attributesType = checkExpressionWithContextualType(node.attributes, paramType, /*inferenceContext*/ undefined, checkMode);
- return checkTagNameDoesNotExpectTooManyArguments() && checkTypeRelatedToAndOptionallyElaborate(attributesType, paramType, relation, reportErrors ? node.tagName : undefined, node.attributes,
- /*headMessage*/ undefined, containingMessageChain, errorOutputContainer);
- function checkTagNameDoesNotExpectTooManyArguments() {
- var _a;
- var tagType = ts.isJsxOpeningElement(node) || ts.isJsxSelfClosingElement(node) && !isJsxIntrinsicIdentifier(node.tagName) ? checkExpression(node.tagName) : undefined;
- if (!tagType) {
- return true;
- }
- var tagCallSignatures = getSignaturesOfType(tagType, 0 /* Call */);
- if (!ts.length(tagCallSignatures)) {
- return true;
- }
- var factory = getJsxFactoryEntity(node);
- if (!factory) {
- return true;
- }
- var factorySymbol = resolveEntityName(factory, 111551 /* Value */, /*ignoreErrors*/ true, /*dontResolveAlias*/ false, node);
- if (!factorySymbol) {
- return true;
- }
- var factoryType = getTypeOfSymbol(factorySymbol);
- var callSignatures = getSignaturesOfType(factoryType, 0 /* Call */);
- if (!ts.length(callSignatures)) {
- return true;
- }
- var hasFirstParamSignatures = false;
- var maxParamCount = 0;
- // Check that _some_ first parameter expects a FC-like thing, and that some overload of the SFC expects an acceptable number of arguments
- for (var _i = 0, callSignatures_1 = callSignatures; _i < callSignatures_1.length; _i++) {
- var sig = callSignatures_1[_i];
- var firstparam = getTypeAtPosition(sig, 0);
- var signaturesOfParam = getSignaturesOfType(firstparam, 0 /* Call */);
- if (!ts.length(signaturesOfParam))
- continue;
- for (var _b = 0, signaturesOfParam_1 = signaturesOfParam; _b < signaturesOfParam_1.length; _b++) {
- var paramSig = signaturesOfParam_1[_b];
- hasFirstParamSignatures = true;
- if (hasEffectiveRestParameter(paramSig)) {
- return true; // some signature has a rest param, so function components can have an arbitrary number of arguments
- }
- var paramCount = getParameterCount(paramSig);
- if (paramCount > maxParamCount) {
- maxParamCount = paramCount;
- }
- }
- }
- if (!hasFirstParamSignatures) {
- // Not a single signature had a first parameter which expected a signature - for back compat, and
- // to guard against generic factories which won't have signatures directly, do not error
- return true;
- }
- var absoluteMinArgCount = Infinity;
- for (var _c = 0, tagCallSignatures_1 = tagCallSignatures; _c < tagCallSignatures_1.length; _c++) {
- var tagSig = tagCallSignatures_1[_c];
- var tagRequiredArgCount = getMinArgumentCount(tagSig);
- if (tagRequiredArgCount < absoluteMinArgCount) {
- absoluteMinArgCount = tagRequiredArgCount;
- }
- }
- if (absoluteMinArgCount <= maxParamCount) {
- return true; // some signature accepts the number of arguments the function component provides
- }
- if (reportErrors) {
- var diag = ts.createDiagnosticForNode(node.tagName, ts.Diagnostics.Tag_0_expects_at_least_1_arguments_but_the_JSX_factory_2_provides_at_most_3, ts.entityNameToString(node.tagName), absoluteMinArgCount, ts.entityNameToString(factory), maxParamCount);
- var tagNameDeclaration = (_a = getSymbolAtLocation(node.tagName)) === null || _a === void 0 ? void 0 : _a.valueDeclaration;
- if (tagNameDeclaration) {
- ts.addRelatedInfo(diag, ts.createDiagnosticForNode(tagNameDeclaration, ts.Diagnostics._0_is_declared_here, ts.entityNameToString(node.tagName)));
- }
- if (errorOutputContainer && errorOutputContainer.skipLogging) {
- (errorOutputContainer.errors || (errorOutputContainer.errors = [])).push(diag);
- }
- if (!errorOutputContainer.skipLogging) {
- diagnostics.add(diag);
- }
- }
- return false;
- }
- }
- function getSignatureApplicabilityError(node, args, signature, relation, checkMode, reportErrors, containingMessageChain) {
- var errorOutputContainer = { errors: undefined, skipLogging: true };
- if (ts.isJsxOpeningLikeElement(node)) {
- if (!checkApplicableSignatureForJsxOpeningLikeElement(node, signature, relation, checkMode, reportErrors, containingMessageChain, errorOutputContainer)) {
- ts.Debug.assert(!reportErrors || !!errorOutputContainer.errors, "jsx should have errors when reporting errors");
- return errorOutputContainer.errors || ts.emptyArray;
- }
- return undefined;
- }
- var thisType = getThisTypeOfSignature(signature);
- if (thisType && thisType !== voidType && node.kind !== 197 /* NewExpression */) {
- // If the called expression is not of the form `x.f` or `x["f"]`, then sourceType = voidType
- // If the signature's 'this' type is voidType, then the check is skipped -- anything is compatible.
- // If the expression is a new expression, then the check is skipped.
- var thisArgumentNode = getThisArgumentOfCall(node);
- var thisArgumentType = void 0;
- if (thisArgumentNode) {
- thisArgumentType = checkExpression(thisArgumentNode);
- if (ts.isOptionalChainRoot(thisArgumentNode.parent)) {
- thisArgumentType = getNonNullableType(thisArgumentType);
- }
- else if (ts.isOptionalChain(thisArgumentNode.parent)) {
- thisArgumentType = removeOptionalTypeMarker(thisArgumentType);
- }
- }
- else {
- thisArgumentType = voidType;
- }
- var errorNode = reportErrors ? (thisArgumentNode || node) : undefined;
- var headMessage_1 = ts.Diagnostics.The_this_context_of_type_0_is_not_assignable_to_method_s_this_of_type_1;
- if (!checkTypeRelatedTo(thisArgumentType, thisType, relation, errorNode, headMessage_1, containingMessageChain, errorOutputContainer)) {
- ts.Debug.assert(!reportErrors || !!errorOutputContainer.errors, "this parameter should have errors when reporting errors");
- return errorOutputContainer.errors || ts.emptyArray;
- }
- }
- var headMessage = ts.Diagnostics.Argument_of_type_0_is_not_assignable_to_parameter_of_type_1;
- var restType = getNonArrayRestType(signature);
- var argCount = restType ? Math.min(getParameterCount(signature) - 1, args.length) : args.length;
- for (var i = 0; i < argCount; i++) {
- var arg = args[i];
- if (arg.kind !== 215 /* OmittedExpression */) {
- var paramType = getTypeAtPosition(signature, i);
- var argType = checkExpressionWithContextualType(arg, paramType, /*inferenceContext*/ undefined, checkMode);
- // If one or more arguments are still excluded (as indicated by CheckMode.SkipContextSensitive),
- // we obtain the regular type of any object literal arguments because we may not have inferred complete
- // parameter types yet and therefore excess property checks may yield false positives (see #17041).
- var checkArgType = checkMode & 4 /* SkipContextSensitive */ ? getRegularTypeOfObjectLiteral(argType) : argType;
- if (!checkTypeRelatedToAndOptionallyElaborate(checkArgType, paramType, relation, reportErrors ? arg : undefined, arg, headMessage, containingMessageChain, errorOutputContainer)) {
- ts.Debug.assert(!reportErrors || !!errorOutputContainer.errors, "parameter should have errors when reporting errors");
- maybeAddMissingAwaitInfo(arg, checkArgType, paramType);
- return errorOutputContainer.errors || ts.emptyArray;
- }
- }
- }
- if (restType) {
- var spreadType = getSpreadArgumentType(args, argCount, args.length, restType, /*context*/ undefined);
- var errorNode = reportErrors ? argCount < args.length ? args[argCount] : node : undefined;
- if (!checkTypeRelatedTo(spreadType, restType, relation, errorNode, headMessage, /*containingMessageChain*/ undefined, errorOutputContainer)) {
- ts.Debug.assert(!reportErrors || !!errorOutputContainer.errors, "rest parameter should have errors when reporting errors");
- maybeAddMissingAwaitInfo(errorNode, spreadType, restType);
- return errorOutputContainer.errors || ts.emptyArray;
- }
- }
- return undefined;
- function maybeAddMissingAwaitInfo(errorNode, source, target) {
- if (errorNode && reportErrors && errorOutputContainer.errors && errorOutputContainer.errors.length) {
- // Bail if target is Promise-like---something else is wrong
- if (getAwaitedTypeOfPromise(target)) {
- return;
- }
- var awaitedTypeOfSource = getAwaitedTypeOfPromise(source);
- if (awaitedTypeOfSource && isTypeRelatedTo(awaitedTypeOfSource, target, relation)) {
- ts.addRelatedInfo(errorOutputContainer.errors[0], ts.createDiagnosticForNode(errorNode, ts.Diagnostics.Did_you_forget_to_use_await));
- }
- }
- }
- }
- /**
- * Returns the this argument in calls like x.f(...) and x[f](...). Undefined otherwise.
- */
- function getThisArgumentOfCall(node) {
- if (node.kind === 196 /* CallExpression */) {
- var callee = ts.skipOuterExpressions(node.expression);
- if (ts.isAccessExpression(callee)) {
- return callee.expression;
- }
- }
- }
- function createSyntheticExpression(parent, type, isSpread) {
- var result = ts.createNode(220 /* SyntheticExpression */, parent.pos, parent.end);
- result.parent = parent;
- result.type = type;
- result.isSpread = isSpread || false;
- return result;
- }
- /**
- * Returns the effective arguments for an expression that works like a function invocation.
- */
- function getEffectiveCallArguments(node) {
- if (node.kind === 198 /* TaggedTemplateExpression */) {
- var template = node.template;
- var args_3 = [createSyntheticExpression(template, getGlobalTemplateStringsArrayType())];
- if (template.kind === 211 /* TemplateExpression */) {
- ts.forEach(template.templateSpans, function (span) {
- args_3.push(span.expression);
- });
- }
- return args_3;
- }
- if (node.kind === 157 /* Decorator */) {
- return getEffectiveDecoratorArguments(node);
- }
- if (ts.isJsxOpeningLikeElement(node)) {
- return node.attributes.properties.length > 0 || (ts.isJsxOpeningElement(node) && node.parent.children.length > 0) ? [node.attributes] : ts.emptyArray;
- }
- var args = node.arguments || ts.emptyArray;
- var length = args.length;
- if (length && isSpreadArgument(args[length - 1]) && getSpreadArgumentIndex(args) === length - 1) {
- // We have a spread argument in the last position and no other spread arguments. If the type
- // of the argument is a tuple type, spread the tuple elements into the argument list. We can
- // call checkExpressionCached because spread expressions never have a contextual type.
- var spreadArgument_1 = args[length - 1];
- var type = flowLoopCount ? checkExpression(spreadArgument_1.expression) : checkExpressionCached(spreadArgument_1.expression);
- if (isTupleType(type)) {
- var typeArguments = getTypeArguments(type);
- var restIndex_2 = type.target.hasRestElement ? typeArguments.length - 1 : -1;
- var syntheticArgs = ts.map(typeArguments, function (t, i) { return createSyntheticExpression(spreadArgument_1, t, /*isSpread*/ i === restIndex_2); });
- return ts.concatenate(args.slice(0, length - 1), syntheticArgs);
- }
- }
- return args;
- }
- /**
- * Returns the synthetic argument list for a decorator invocation.
- */
- function getEffectiveDecoratorArguments(node) {
- var parent = node.parent;
- var expr = node.expression;
- switch (parent.kind) {
- case 245 /* ClassDeclaration */:
- case 214 /* ClassExpression */:
- // For a class decorator, the `target` is the type of the class (e.g. the
- // "static" or "constructor" side of the class).
- return [
- createSyntheticExpression(expr, getTypeOfSymbol(getSymbolOfNode(parent)))
- ];
- case 156 /* Parameter */:
- // A parameter declaration decorator will have three arguments (see
- // `ParameterDecorator` in core.d.ts).
- var func = parent.parent;
- return [
- createSyntheticExpression(expr, parent.parent.kind === 162 /* Constructor */ ? getTypeOfSymbol(getSymbolOfNode(func)) : errorType),
- createSyntheticExpression(expr, anyType),
- createSyntheticExpression(expr, numberType)
- ];
- case 159 /* PropertyDeclaration */:
- case 161 /* MethodDeclaration */:
- case 163 /* GetAccessor */:
- case 164 /* SetAccessor */:
- // A method or accessor declaration decorator will have two or three arguments (see
- // `PropertyDecorator` and `MethodDecorator` in core.d.ts). If we are emitting decorators
- // for ES3, we will only pass two arguments.
- var hasPropDesc = parent.kind !== 159 /* PropertyDeclaration */ && languageVersion !== 0 /* ES3 */;
- return [
- createSyntheticExpression(expr, getParentTypeOfClassElement(parent)),
- createSyntheticExpression(expr, getClassElementPropertyKeyType(parent)),
- createSyntheticExpression(expr, hasPropDesc ? createTypedPropertyDescriptorType(getTypeOfNode(parent)) : anyType)
- ];
- }
- return ts.Debug.fail();
- }
- /**
- * Returns the argument count for a decorator node that works like a function invocation.
- */
- function getDecoratorArgumentCount(node, signature) {
- switch (node.parent.kind) {
- case 245 /* ClassDeclaration */:
- case 214 /* ClassExpression */:
- return 1;
- case 159 /* PropertyDeclaration */:
- return 2;
- case 161 /* MethodDeclaration */:
- case 163 /* GetAccessor */:
- case 164 /* SetAccessor */:
- // For ES3 or decorators with only two parameters we supply only two arguments
- return languageVersion === 0 /* ES3 */ || signature.parameters.length <= 2 ? 2 : 3;
- case 156 /* Parameter */:
- return 3;
- default:
- return ts.Debug.fail();
- }
- }
- function getDiagnosticSpanForCallNode(node, doNotIncludeArguments) {
- var start;
- var length;
- var sourceFile = ts.getSourceFileOfNode(node);
- if (ts.isPropertyAccessExpression(node.expression)) {
- var nameSpan = ts.getErrorSpanForNode(sourceFile, node.expression.name);
- start = nameSpan.start;
- length = doNotIncludeArguments ? nameSpan.length : node.end - start;
- }
- else {
- var expressionSpan = ts.getErrorSpanForNode(sourceFile, node.expression);
- start = expressionSpan.start;
- length = doNotIncludeArguments ? expressionSpan.length : node.end - start;
- }
- return { start: start, length: length, sourceFile: sourceFile };
- }
- function getDiagnosticForCallNode(node, message, arg0, arg1, arg2, arg3) {
- if (ts.isCallExpression(node)) {
- var _a = getDiagnosticSpanForCallNode(node), sourceFile = _a.sourceFile, start = _a.start, length_5 = _a.length;
- return ts.createFileDiagnostic(sourceFile, start, length_5, message, arg0, arg1, arg2, arg3);
- }
- else {
- return ts.createDiagnosticForNode(node, message, arg0, arg1, arg2, arg3);
- }
- }
- function getArgumentArityError(node, signatures, args) {
- var min = Number.POSITIVE_INFINITY;
- var max = Number.NEGATIVE_INFINITY;
- var belowArgCount = Number.NEGATIVE_INFINITY;
- var aboveArgCount = Number.POSITIVE_INFINITY;
- var argCount = args.length;
- var closestSignature;
- for (var _i = 0, signatures_8 = signatures; _i < signatures_8.length; _i++) {
- var sig = signatures_8[_i];
- var minCount = getMinArgumentCount(sig);
- var maxCount = getParameterCount(sig);
- if (minCount < argCount && minCount > belowArgCount)
- belowArgCount = minCount;
- if (argCount < maxCount && maxCount < aboveArgCount)
- aboveArgCount = maxCount;
- if (minCount < min) {
- min = minCount;
- closestSignature = sig;
- }
- max = Math.max(max, maxCount);
- }
- var hasRestParameter = ts.some(signatures, hasEffectiveRestParameter);
- var paramRange = hasRestParameter ? min :
- min < max ? min + "-" + max :
- min;
- var hasSpreadArgument = getSpreadArgumentIndex(args) > -1;
- if (argCount <= max && hasSpreadArgument) {
- argCount--;
- }
- var spanArray;
- var related;
- var error = hasRestParameter || hasSpreadArgument ? hasRestParameter && hasSpreadArgument ? ts.Diagnostics.Expected_at_least_0_arguments_but_got_1_or_more :
- hasRestParameter ? ts.Diagnostics.Expected_at_least_0_arguments_but_got_1 :
- ts.Diagnostics.Expected_0_arguments_but_got_1_or_more : ts.Diagnostics.Expected_0_arguments_but_got_1;
- if (closestSignature && getMinArgumentCount(closestSignature) > argCount && closestSignature.declaration) {
- var paramDecl = closestSignature.declaration.parameters[closestSignature.thisParameter ? argCount + 1 : argCount];
- if (paramDecl) {
- related = ts.createDiagnosticForNode(paramDecl, ts.isBindingPattern(paramDecl.name) ? ts.Diagnostics.An_argument_matching_this_binding_pattern_was_not_provided : ts.Diagnostics.An_argument_for_0_was_not_provided, !paramDecl.name ? argCount : !ts.isBindingPattern(paramDecl.name) ? ts.idText(ts.getFirstIdentifier(paramDecl.name)) : undefined);
- }
- }
- if (min < argCount && argCount < max) {
- return getDiagnosticForCallNode(node, ts.Diagnostics.No_overload_expects_0_arguments_but_overloads_do_exist_that_expect_either_1_or_2_arguments, argCount, belowArgCount, aboveArgCount);
- }
- if (!hasSpreadArgument && argCount < min) {
- var diagnostic_1 = getDiagnosticForCallNode(node, error, paramRange, argCount);
- return related ? ts.addRelatedInfo(diagnostic_1, related) : diagnostic_1;
- }
- if (hasRestParameter || hasSpreadArgument) {
- spanArray = ts.createNodeArray(args);
- if (hasSpreadArgument && argCount) {
- var nextArg = ts.elementAt(args, getSpreadArgumentIndex(args) + 1) || undefined;
- spanArray = ts.createNodeArray(args.slice(max > argCount && nextArg ? args.indexOf(nextArg) : Math.min(max, args.length - 1)));
- }
- }
- else {
- spanArray = ts.createNodeArray(args.slice(max));
- }
- spanArray.pos = ts.first(spanArray).pos;
- spanArray.end = ts.last(spanArray).end;
- if (spanArray.end === spanArray.pos) {
- spanArray.end++;
- }
- var diagnostic = ts.createDiagnosticForNodeArray(ts.getSourceFileOfNode(node), spanArray, error, paramRange, argCount);
- return related ? ts.addRelatedInfo(diagnostic, related) : diagnostic;
- }
- function getTypeArgumentArityError(node, signatures, typeArguments) {
- var argCount = typeArguments.length;
- // No overloads exist
- if (signatures.length === 1) {
- var sig = signatures[0];
- var min_1 = getMinTypeArgumentCount(sig.typeParameters);
- var max = ts.length(sig.typeParameters);
- return ts.createDiagnosticForNodeArray(ts.getSourceFileOfNode(node), typeArguments, ts.Diagnostics.Expected_0_type_arguments_but_got_1, min_1 < max ? min_1 + "-" + max : min_1, argCount);
- }
- // Overloads exist
- var belowArgCount = -Infinity;
- var aboveArgCount = Infinity;
- for (var _i = 0, signatures_9 = signatures; _i < signatures_9.length; _i++) {
- var sig = signatures_9[_i];
- var min_2 = getMinTypeArgumentCount(sig.typeParameters);
- var max = ts.length(sig.typeParameters);
- if (min_2 > argCount) {
- aboveArgCount = Math.min(aboveArgCount, min_2);
- }
- else if (max < argCount) {
- belowArgCount = Math.max(belowArgCount, max);
- }
- }
- if (belowArgCount !== -Infinity && aboveArgCount !== Infinity) {
- return ts.createDiagnosticForNodeArray(ts.getSourceFileOfNode(node), typeArguments, ts.Diagnostics.No_overload_expects_0_type_arguments_but_overloads_do_exist_that_expect_either_1_or_2_type_arguments, argCount, belowArgCount, aboveArgCount);
- }
- return ts.createDiagnosticForNodeArray(ts.getSourceFileOfNode(node), typeArguments, ts.Diagnostics.Expected_0_type_arguments_but_got_1, belowArgCount === -Infinity ? aboveArgCount : belowArgCount, argCount);
- }
- function resolveCall(node, signatures, candidatesOutArray, checkMode, callChainFlags, fallbackError) {
- var isTaggedTemplate = node.kind === 198 /* TaggedTemplateExpression */;
- var isDecorator = node.kind === 157 /* Decorator */;
- var isJsxOpeningOrSelfClosingElement = ts.isJsxOpeningLikeElement(node);
- var reportErrors = !candidatesOutArray;
- var typeArguments;
- if (!isDecorator) {
- typeArguments = node.typeArguments;
- // We already perform checking on the type arguments on the class declaration itself.
- if (isTaggedTemplate || isJsxOpeningOrSelfClosingElement || node.expression.kind !== 102 /* SuperKeyword */) {
- ts.forEach(typeArguments, checkSourceElement);
- }
- }
- var candidates = candidatesOutArray || [];
- // reorderCandidates fills up the candidates array directly
- reorderCandidates(signatures, candidates, callChainFlags);
- if (!candidates.length) {
- if (reportErrors) {
- diagnostics.add(getDiagnosticForCallNode(node, ts.Diagnostics.Call_target_does_not_contain_any_signatures));
- }
- return resolveErrorCall(node);
- }
- var args = getEffectiveCallArguments(node);
- // The excludeArgument array contains true for each context sensitive argument (an argument
- // is context sensitive it is susceptible to a one-time permanent contextual typing).
- //
- // The idea is that we will perform type argument inference & assignability checking once
- // without using the susceptible parameters that are functions, and once more for those
- // parameters, contextually typing each as we go along.
- //
- // For a tagged template, then the first argument be 'undefined' if necessary because it
- // represents a TemplateStringsArray.
- //
- // For a decorator, no arguments are susceptible to contextual typing due to the fact
- // decorators are applied to a declaration by the emitter, and not to an expression.
- var isSingleNonGenericCandidate = candidates.length === 1 && !candidates[0].typeParameters;
- var argCheckMode = !isDecorator && !isSingleNonGenericCandidate && ts.some(args, isContextSensitive) ? 4 /* SkipContextSensitive */ : 0 /* Normal */;
- // The following variables are captured and modified by calls to chooseOverload.
- // If overload resolution or type argument inference fails, we want to report the
- // best error possible. The best error is one which says that an argument was not
- // assignable to a parameter. This implies that everything else about the overload
- // was fine. So if there is any overload that is only incorrect because of an
- // argument, we will report an error on that one.
- //
- // function foo(s: string): void;
- // function foo(n: number): void; // Report argument error on this overload
- // function foo(): void;
- // foo(true);
- //
- // If none of the overloads even made it that far, there are two possibilities.
- // There was a problem with type arguments for some overload, in which case
- // report an error on that. Or none of the overloads even had correct arity,
- // in which case give an arity error.
- //
- // function foo<T extends string>(x: T): void; // Report type argument error
- // function foo(): void;
- // foo<number>(0);
- //
- var candidatesForArgumentError;
- var candidateForArgumentArityError;
- var candidateForTypeArgumentError;
- var result;
- // If we are in signature help, a trailing comma indicates that we intend to provide another argument,
- // so we will only accept overloads with arity at least 1 higher than the current number of provided arguments.
- var signatureHelpTrailingComma = !!(checkMode & 16 /* IsForSignatureHelp */) && node.kind === 196 /* CallExpression */ && node.arguments.hasTrailingComma;
- // Section 4.12.1:
- // if the candidate list contains one or more signatures for which the type of each argument
- // expression is a subtype of each corresponding parameter type, the return type of the first
- // of those signatures becomes the return type of the function call.
- // Otherwise, the return type of the first signature in the candidate list becomes the return
- // type of the function call.
- //
- // Whether the call is an error is determined by assignability of the arguments. The subtype pass
- // is just important for choosing the best signature. So in the case where there is only one
- // signature, the subtype pass is useless. So skipping it is an optimization.
- if (candidates.length > 1) {
- result = chooseOverload(candidates, subtypeRelation, signatureHelpTrailingComma);
- }
- if (!result) {
- result = chooseOverload(candidates, assignableRelation, signatureHelpTrailingComma);
- }
- if (result) {
- return result;
- }
- // No signatures were applicable. Now report errors based on the last applicable signature with
- // no arguments excluded from assignability checks.
- // If candidate is undefined, it means that no candidates had a suitable arity. In that case,
- // skip the checkApplicableSignature check.
- if (reportErrors) {
- if (candidatesForArgumentError) {
- if (candidatesForArgumentError.length === 1 || candidatesForArgumentError.length > 3) {
- var last_2 = candidatesForArgumentError[candidatesForArgumentError.length - 1];
- var chain_1;
- if (candidatesForArgumentError.length > 3) {
- chain_1 = ts.chainDiagnosticMessages(chain_1, ts.Diagnostics.The_last_overload_gave_the_following_error);
- chain_1 = ts.chainDiagnosticMessages(chain_1, ts.Diagnostics.No_overload_matches_this_call);
- }
- var diags = getSignatureApplicabilityError(node, args, last_2, assignableRelation, 0 /* Normal */, /*reportErrors*/ true, function () { return chain_1; });
- if (diags) {
- for (var _i = 0, diags_1 = diags; _i < diags_1.length; _i++) {
- var d = diags_1[_i];
- if (last_2.declaration && candidatesForArgumentError.length > 3) {
- ts.addRelatedInfo(d, ts.createDiagnosticForNode(last_2.declaration, ts.Diagnostics.The_last_overload_is_declared_here));
- }
- diagnostics.add(d);
- }
- }
- else {
- ts.Debug.fail("No error for last overload signature");
- }
- }
- else {
- var allDiagnostics = [];
- var max = 0;
- var min_3 = Number.MAX_VALUE;
- var minIndex = 0;
- var i_1 = 0;
- var _loop_17 = function (c) {
- var chain_2 = function () { return ts.chainDiagnosticMessages(/*details*/ undefined, ts.Diagnostics.Overload_0_of_1_2_gave_the_following_error, i_1 + 1, candidates.length, signatureToString(c)); };
- var diags_2 = getSignatureApplicabilityError(node, args, c, assignableRelation, 0 /* Normal */, /*reportErrors*/ true, chain_2);
- if (diags_2) {
- if (diags_2.length <= min_3) {
- min_3 = diags_2.length;
- minIndex = i_1;
- }
- max = Math.max(max, diags_2.length);
- allDiagnostics.push(diags_2);
- }
- else {
- ts.Debug.fail("No error for 3 or fewer overload signatures");
- }
- i_1++;
- };
- for (var _a = 0, candidatesForArgumentError_1 = candidatesForArgumentError; _a < candidatesForArgumentError_1.length; _a++) {
- var c = candidatesForArgumentError_1[_a];
- _loop_17(c);
- }
- var diags_3 = max > 1 ? allDiagnostics[minIndex] : ts.flatten(allDiagnostics);
- ts.Debug.assert(diags_3.length > 0, "No errors reported for 3 or fewer overload signatures");
- var chain = ts.chainDiagnosticMessages(ts.map(diags_3, function (d) { return typeof d.messageText === "string" ? d : d.messageText; }), ts.Diagnostics.No_overload_matches_this_call);
- var related = ts.flatMap(diags_3, function (d) { return d.relatedInformation; });
- if (ts.every(diags_3, function (d) { return d.start === diags_3[0].start && d.length === diags_3[0].length && d.file === diags_3[0].file; })) {
- var _b = diags_3[0], file = _b.file, start = _b.start, length_6 = _b.length;
- diagnostics.add({ file: file, start: start, length: length_6, code: chain.code, category: chain.category, messageText: chain, relatedInformation: related });
- }
- else {
- diagnostics.add(ts.createDiagnosticForNodeFromMessageChain(node, chain, related));
- }
- }
- }
- else if (candidateForArgumentArityError) {
- diagnostics.add(getArgumentArityError(node, [candidateForArgumentArityError], args));
- }
- else if (candidateForTypeArgumentError) {
- checkTypeArguments(candidateForTypeArgumentError, node.typeArguments, /*reportErrors*/ true, fallbackError);
- }
- else {
- var signaturesWithCorrectTypeArgumentArity = ts.filter(signatures, function (s) { return hasCorrectTypeArgumentArity(s, typeArguments); });
- if (signaturesWithCorrectTypeArgumentArity.length === 0) {
- diagnostics.add(getTypeArgumentArityError(node, signatures, typeArguments));
- }
- else if (!isDecorator) {
- diagnostics.add(getArgumentArityError(node, signaturesWithCorrectTypeArgumentArity, args));
- }
- else if (fallbackError) {
- diagnostics.add(getDiagnosticForCallNode(node, fallbackError));
- }
- }
- }
- return getCandidateForOverloadFailure(node, candidates, args, !!candidatesOutArray);
- function chooseOverload(candidates, relation, signatureHelpTrailingComma) {
- if (signatureHelpTrailingComma === void 0) { signatureHelpTrailingComma = false; }
- candidatesForArgumentError = undefined;
- candidateForArgumentArityError = undefined;
- candidateForTypeArgumentError = undefined;
- if (isSingleNonGenericCandidate) {
- var candidate = candidates[0];
- if (ts.some(typeArguments) || !hasCorrectArity(node, args, candidate, signatureHelpTrailingComma)) {
- return undefined;
- }
- if (getSignatureApplicabilityError(node, args, candidate, relation, 0 /* Normal */, /*reportErrors*/ false, /*containingMessageChain*/ undefined)) {
- candidatesForArgumentError = [candidate];
- return undefined;
- }
- return candidate;
- }
- for (var candidateIndex = 0; candidateIndex < candidates.length; candidateIndex++) {
- var candidate = candidates[candidateIndex];
- if (!hasCorrectTypeArgumentArity(candidate, typeArguments) || !hasCorrectArity(node, args, candidate, signatureHelpTrailingComma)) {
- continue;
- }
- var checkCandidate = void 0;
- var inferenceContext = void 0;
- if (candidate.typeParameters) {
- var typeArgumentTypes = void 0;
- if (ts.some(typeArguments)) {
- typeArgumentTypes = checkTypeArguments(candidate, typeArguments, /*reportErrors*/ false);
- if (!typeArgumentTypes) {
- candidateForTypeArgumentError = candidate;
- continue;
- }
- }
- else {
- inferenceContext = createInferenceContext(candidate.typeParameters, candidate, /*flags*/ ts.isInJSFile(node) ? 2 /* AnyDefault */ : 0 /* None */);
- typeArgumentTypes = inferTypeArguments(node, candidate, args, argCheckMode | 8 /* SkipGenericFunctions */, inferenceContext);
- argCheckMode |= inferenceContext.flags & 4 /* SkippedGenericFunction */ ? 8 /* SkipGenericFunctions */ : 0 /* Normal */;
- }
- checkCandidate = getSignatureInstantiation(candidate, typeArgumentTypes, ts.isInJSFile(candidate.declaration), inferenceContext && inferenceContext.inferredTypeParameters);
- // If the original signature has a generic rest type, instantiation may produce a
- // signature with different arity and we need to perform another arity check.
- if (getNonArrayRestType(candidate) && !hasCorrectArity(node, args, checkCandidate, signatureHelpTrailingComma)) {
- candidateForArgumentArityError = checkCandidate;
- continue;
- }
- }
- else {
- checkCandidate = candidate;
- }
- if (getSignatureApplicabilityError(node, args, checkCandidate, relation, argCheckMode, /*reportErrors*/ false, /*containingMessageChain*/ undefined)) {
- // Give preference to error candidates that have no rest parameters (as they are more specific)
- (candidatesForArgumentError || (candidatesForArgumentError = [])).push(checkCandidate);
- continue;
- }
- if (argCheckMode) {
- // If one or more context sensitive arguments were excluded, we start including
- // them now (and keeping do so for any subsequent candidates) and perform a second
- // round of type inference and applicability checking for this particular candidate.
- argCheckMode = 0 /* Normal */;
- if (inferenceContext) {
- var typeArgumentTypes = inferTypeArguments(node, candidate, args, argCheckMode, inferenceContext);
- checkCandidate = getSignatureInstantiation(candidate, typeArgumentTypes, ts.isInJSFile(candidate.declaration), inferenceContext && inferenceContext.inferredTypeParameters);
- // If the original signature has a generic rest type, instantiation may produce a
- // signature with different arity and we need to perform another arity check.
- if (getNonArrayRestType(candidate) && !hasCorrectArity(node, args, checkCandidate, signatureHelpTrailingComma)) {
- candidateForArgumentArityError = checkCandidate;
- continue;
- }
- }
- if (getSignatureApplicabilityError(node, args, checkCandidate, relation, argCheckMode, /*reportErrors*/ false, /*containingMessageChain*/ undefined)) {
- // Give preference to error candidates that have no rest parameters (as they are more specific)
- (candidatesForArgumentError || (candidatesForArgumentError = [])).push(checkCandidate);
- continue;
- }
- }
- candidates[candidateIndex] = checkCandidate;
- return checkCandidate;
- }
- return undefined;
- }
- }
- // No signature was applicable. We have already reported the errors for the invalid signature.
- function getCandidateForOverloadFailure(node, candidates, args, hasCandidatesOutArray) {
- ts.Debug.assert(candidates.length > 0); // Else should not have called this.
- checkNodeDeferred(node);
- // Normally we will combine overloads. Skip this if they have type parameters since that's hard to combine.
- // Don't do this if there is a `candidatesOutArray`,
- // because then we want the chosen best candidate to be one of the overloads, not a combination.
- return hasCandidatesOutArray || candidates.length === 1 || candidates.some(function (c) { return !!c.typeParameters; })
- ? pickLongestCandidateSignature(node, candidates, args)
- : createUnionOfSignaturesForOverloadFailure(candidates);
- }
- function createUnionOfSignaturesForOverloadFailure(candidates) {
- var thisParameters = ts.mapDefined(candidates, function (c) { return c.thisParameter; });
- var thisParameter;
- if (thisParameters.length) {
- thisParameter = createCombinedSymbolFromTypes(thisParameters, thisParameters.map(getTypeOfParameter));
- }
- var _a = ts.minAndMax(candidates, getNumNonRestParameters), minArgumentCount = _a.min, maxNonRestParam = _a.max;
- var parameters = [];
- var _loop_18 = function (i) {
- var symbols = ts.mapDefined(candidates, function (s) { return signatureHasRestParameter(s) ?
- i < s.parameters.length - 1 ? s.parameters[i] : ts.last(s.parameters) :
- i < s.parameters.length ? s.parameters[i] : undefined; });
- ts.Debug.assert(symbols.length !== 0);
- parameters.push(createCombinedSymbolFromTypes(symbols, ts.mapDefined(candidates, function (candidate) { return tryGetTypeAtPosition(candidate, i); })));
- };
- for (var i = 0; i < maxNonRestParam; i++) {
- _loop_18(i);
- }
- var restParameterSymbols = ts.mapDefined(candidates, function (c) { return signatureHasRestParameter(c) ? ts.last(c.parameters) : undefined; });
- var flags = 0 /* None */;
- if (restParameterSymbols.length !== 0) {
- var type = createArrayType(getUnionType(ts.mapDefined(candidates, tryGetRestTypeOfSignature), 2 /* Subtype */));
- parameters.push(createCombinedSymbolForOverloadFailure(restParameterSymbols, type));
- flags |= 1 /* HasRestParameter */;
- }
- if (candidates.some(signatureHasLiteralTypes)) {
- flags |= 2 /* HasLiteralTypes */;
- }
- return createSignature(candidates[0].declaration,
- /*typeParameters*/ undefined, // Before calling this we tested for `!candidates.some(c => !!c.typeParameters)`.
- thisParameter, parameters,
- /*resolvedReturnType*/ getIntersectionType(candidates.map(getReturnTypeOfSignature)),
- /*typePredicate*/ undefined, minArgumentCount, flags);
- }
- function getNumNonRestParameters(signature) {
- var numParams = signature.parameters.length;
- return signatureHasRestParameter(signature) ? numParams - 1 : numParams;
- }
- function createCombinedSymbolFromTypes(sources, types) {
- return createCombinedSymbolForOverloadFailure(sources, getUnionType(types, 2 /* Subtype */));
- }
- function createCombinedSymbolForOverloadFailure(sources, type) {
- // This function is currently only used for erroneous overloads, so it's good enough to just use the first source.
- return createSymbolWithType(ts.first(sources), type);
- }
- function pickLongestCandidateSignature(node, candidates, args) {
- // Pick the longest signature. This way we can get a contextual type for cases like:
- // declare function f(a: { xa: number; xb: number; }, b: number);
- // f({ |
- // Also, use explicitly-supplied type arguments if they are provided, so we can get a contextual signature in cases like:
- // declare function f<T>(k: keyof T);
- // f<Foo>("
- var bestIndex = getLongestCandidateIndex(candidates, apparentArgumentCount === undefined ? args.length : apparentArgumentCount);
- var candidate = candidates[bestIndex];
- var typeParameters = candidate.typeParameters;
- if (!typeParameters) {
- return candidate;
- }
- var typeArgumentNodes = callLikeExpressionMayHaveTypeArguments(node) ? node.typeArguments : undefined;
- var instantiated = typeArgumentNodes
- ? createSignatureInstantiation(candidate, getTypeArgumentsFromNodes(typeArgumentNodes, typeParameters, ts.isInJSFile(node)))
- : inferSignatureInstantiationForOverloadFailure(node, typeParameters, candidate, args);
- candidates[bestIndex] = instantiated;
- return instantiated;
- }
- function getTypeArgumentsFromNodes(typeArgumentNodes, typeParameters, isJs) {
- var typeArguments = typeArgumentNodes.map(getTypeOfNode);
- while (typeArguments.length > typeParameters.length) {
- typeArguments.pop();
- }
- while (typeArguments.length < typeParameters.length) {
- typeArguments.push(getConstraintOfTypeParameter(typeParameters[typeArguments.length]) || getDefaultTypeArgumentType(isJs));
- }
- return typeArguments;
- }
- function inferSignatureInstantiationForOverloadFailure(node, typeParameters, candidate, args) {
- var inferenceContext = createInferenceContext(typeParameters, candidate, /*flags*/ ts.isInJSFile(node) ? 2 /* AnyDefault */ : 0 /* None */);
- var typeArgumentTypes = inferTypeArguments(node, candidate, args, 4 /* SkipContextSensitive */ | 8 /* SkipGenericFunctions */, inferenceContext);
- return createSignatureInstantiation(candidate, typeArgumentTypes);
- }
- function getLongestCandidateIndex(candidates, argsCount) {
- var maxParamsIndex = -1;
- var maxParams = -1;
- for (var i = 0; i < candidates.length; i++) {
- var candidate = candidates[i];
- var paramCount = getParameterCount(candidate);
- if (hasEffectiveRestParameter(candidate) || paramCount >= argsCount) {
- return i;
- }
- if (paramCount > maxParams) {
- maxParams = paramCount;
- maxParamsIndex = i;
- }
- }
- return maxParamsIndex;
- }
- function resolveCallExpression(node, candidatesOutArray, checkMode) {
- if (node.expression.kind === 102 /* SuperKeyword */) {
- var superType = checkSuperExpression(node.expression);
- if (isTypeAny(superType)) {
- for (var _i = 0, _a = node.arguments; _i < _a.length; _i++) {
- var arg = _a[_i];
- checkExpression(arg); // Still visit arguments so they get marked for visibility, etc
- }
- return anySignature;
- }
- if (superType !== errorType) {
- // In super call, the candidate signatures are the matching arity signatures of the base constructor function instantiated
- // with the type arguments specified in the extends clause.
- var baseTypeNode = ts.getEffectiveBaseTypeNode(ts.getContainingClass(node));
- if (baseTypeNode) {
- var baseConstructors = getInstantiatedConstructorsForTypeArguments(superType, baseTypeNode.typeArguments, baseTypeNode);
- return resolveCall(node, baseConstructors, candidatesOutArray, checkMode, 0 /* None */);
- }
- }
- return resolveUntypedCall(node);
- }
- var callChainFlags;
- var funcType = checkExpression(node.expression);
- if (ts.isCallChain(node)) {
- var nonOptionalType = getOptionalExpressionType(funcType, node.expression);
- callChainFlags = nonOptionalType === funcType ? 0 /* None */ :
- ts.isOutermostOptionalChain(node) ? 8 /* IsOuterCallChain */ :
- 4 /* IsInnerCallChain */;
- funcType = nonOptionalType;
- }
- else {
- callChainFlags = 0 /* None */;
- }
- funcType = checkNonNullTypeWithReporter(funcType, node.expression, reportCannotInvokePossiblyNullOrUndefinedError);
- if (funcType === silentNeverType) {
- return silentNeverSignature;
- }
- var apparentType = getApparentType(funcType);
- if (apparentType === errorType) {
- // Another error has already been reported
- return resolveErrorCall(node);
- }
- // Technically, this signatures list may be incomplete. We are taking the apparent type,
- // but we are not including call signatures that may have been added to the Object or
- // Function interface, since they have none by default. This is a bit of a leap of faith
- // that the user will not add any.
- var callSignatures = getSignaturesOfType(apparentType, 0 /* Call */);
- var numConstructSignatures = getSignaturesOfType(apparentType, 1 /* Construct */).length;
- // TS 1.0 Spec: 4.12
- // In an untyped function call no TypeArgs are permitted, Args can be any argument list, no contextual
- // types are provided for the argument expressions, and the result is always of type Any.
- if (isUntypedFunctionCall(funcType, apparentType, callSignatures.length, numConstructSignatures)) {
- // The unknownType indicates that an error already occurred (and was reported). No
- // need to report another error in this case.
- if (funcType !== errorType && node.typeArguments) {
- error(node, ts.Diagnostics.Untyped_function_calls_may_not_accept_type_arguments);
- }
- return resolveUntypedCall(node);
- }
- // If FuncExpr's apparent type(section 3.8.1) is a function type, the call is a typed function call.
- // TypeScript employs overload resolution in typed function calls in order to support functions
- // with multiple call signatures.
- if (!callSignatures.length) {
- if (numConstructSignatures) {
- error(node, ts.Diagnostics.Value_of_type_0_is_not_callable_Did_you_mean_to_include_new, typeToString(funcType));
- }
- else {
- var relatedInformation = void 0;
- if (node.arguments.length === 1) {
- var text = ts.getSourceFileOfNode(node).text;
- if (ts.isLineBreak(text.charCodeAt(ts.skipTrivia(text, node.expression.end, /* stopAfterLineBreak */ true) - 1))) {
- relatedInformation = ts.createDiagnosticForNode(node.expression, ts.Diagnostics.Are_you_missing_a_semicolon);
- }
- }
- invocationError(node.expression, apparentType, 0 /* Call */, relatedInformation);
- }
- return resolveErrorCall(node);
- }
- // When a call to a generic function is an argument to an outer call to a generic function for which
- // inference is in process, we have a choice to make. If the inner call relies on inferences made from
- // its contextual type to its return type, deferring the inner call processing allows the best possible
- // contextual type to accumulate. But if the outer call relies on inferences made from the return type of
- // the inner call, the inner call should be processed early. There's no sure way to know which choice is
- // right (only a full unification algorithm can determine that), so we resort to the following heuristic:
- // If no type arguments are specified in the inner call and at least one call signature is generic and
- // returns a function type, we choose to defer processing. This narrowly permits function composition
- // operators to flow inferences through return types, but otherwise processes calls right away. We
- // use the resolvingSignature singleton to indicate that we deferred processing. This result will be
- // propagated out and eventually turned into nonInferrableType (a type that is assignable to anything and
- // from which we never make inferences).
- if (checkMode & 8 /* SkipGenericFunctions */ && !node.typeArguments && callSignatures.some(isGenericFunctionReturningFunction)) {
- skippedGenericFunction(node, checkMode);
- return resolvingSignature;
- }
- // If the function is explicitly marked with `@class`, then it must be constructed.
- if (callSignatures.some(function (sig) { return ts.isInJSFile(sig.declaration) && !!ts.getJSDocClassTag(sig.declaration); })) {
- error(node, ts.Diagnostics.Value_of_type_0_is_not_callable_Did_you_mean_to_include_new, typeToString(funcType));
- return resolveErrorCall(node);
- }
- return resolveCall(node, callSignatures, candidatesOutArray, checkMode, callChainFlags);
- }
- function isGenericFunctionReturningFunction(signature) {
- return !!(signature.typeParameters && isFunctionType(getReturnTypeOfSignature(signature)));
- }
- /**
- * TS 1.0 spec: 4.12
- * If FuncExpr is of type Any, or of an object type that has no call or construct signatures
- * but is a subtype of the Function interface, the call is an untyped function call.
- */
- function isUntypedFunctionCall(funcType, apparentFuncType, numCallSignatures, numConstructSignatures) {
- // We exclude union types because we may have a union of function types that happen to have no common signatures.
- return isTypeAny(funcType) || isTypeAny(apparentFuncType) && !!(funcType.flags & 262144 /* TypeParameter */) ||
- !numCallSignatures && !numConstructSignatures && !(apparentFuncType.flags & (1048576 /* Union */ | 131072 /* Never */)) && isTypeAssignableTo(funcType, globalFunctionType);
- }
- function resolveNewExpression(node, candidatesOutArray, checkMode) {
- if (node.arguments && languageVersion < 1 /* ES5 */) {
- var spreadIndex = getSpreadArgumentIndex(node.arguments);
- if (spreadIndex >= 0) {
- error(node.arguments[spreadIndex], ts.Diagnostics.Spread_operator_in_new_expressions_is_only_available_when_targeting_ECMAScript_5_and_higher);
- }
- }
- var expressionType = checkNonNullExpression(node.expression);
- if (expressionType === silentNeverType) {
- return silentNeverSignature;
- }
- // If expressionType's apparent type(section 3.8.1) is an object type with one or
- // more construct signatures, the expression is processed in the same manner as a
- // function call, but using the construct signatures as the initial set of candidate
- // signatures for overload resolution. The result type of the function call becomes
- // the result type of the operation.
- expressionType = getApparentType(expressionType);
- if (expressionType === errorType) {
- // Another error has already been reported
- return resolveErrorCall(node);
- }
- // TS 1.0 spec: 4.11
- // If expressionType is of type Any, Args can be any argument
- // list and the result of the operation is of type Any.
- if (isTypeAny(expressionType)) {
- if (node.typeArguments) {
- error(node, ts.Diagnostics.Untyped_function_calls_may_not_accept_type_arguments);
- }
- return resolveUntypedCall(node);
- }
- // Technically, this signatures list may be incomplete. We are taking the apparent type,
- // but we are not including construct signatures that may have been added to the Object or
- // Function interface, since they have none by default. This is a bit of a leap of faith
- // that the user will not add any.
- var constructSignatures = getSignaturesOfType(expressionType, 1 /* Construct */);
- if (constructSignatures.length) {
- if (!isConstructorAccessible(node, constructSignatures[0])) {
- return resolveErrorCall(node);
- }
- // If the expression is a class of abstract type, then it cannot be instantiated.
- // Note, only class declarations can be declared abstract.
- // In the case of a merged class-module or class-interface declaration,
- // only the class declaration node will have the Abstract flag set.
- var valueDecl = expressionType.symbol && ts.getClassLikeDeclarationOfSymbol(expressionType.symbol);
- if (valueDecl && ts.hasModifier(valueDecl, 128 /* Abstract */)) {
- error(node, ts.Diagnostics.Cannot_create_an_instance_of_an_abstract_class);
- return resolveErrorCall(node);
- }
- return resolveCall(node, constructSignatures, candidatesOutArray, checkMode, 0 /* None */);
- }
- // If expressionType's apparent type is an object type with no construct signatures but
- // one or more call signatures, the expression is processed as a function call. A compile-time
- // error occurs if the result of the function call is not Void. The type of the result of the
- // operation is Any. It is an error to have a Void this type.
- var callSignatures = getSignaturesOfType(expressionType, 0 /* Call */);
- if (callSignatures.length) {
- var signature = resolveCall(node, callSignatures, candidatesOutArray, checkMode, 0 /* None */);
- if (!noImplicitAny) {
- if (signature.declaration && !isJSConstructor(signature.declaration) && getReturnTypeOfSignature(signature) !== voidType) {
- error(node, ts.Diagnostics.Only_a_void_function_can_be_called_with_the_new_keyword);
- }
- if (getThisTypeOfSignature(signature) === voidType) {
- error(node, ts.Diagnostics.A_function_that_is_called_with_the_new_keyword_cannot_have_a_this_type_that_is_void);
- }
- }
- return signature;
- }
- invocationError(node.expression, expressionType, 1 /* Construct */);
- return resolveErrorCall(node);
- }
- function typeHasProtectedAccessibleBase(target, type) {
- var baseTypes = getBaseTypes(type);
- if (!ts.length(baseTypes)) {
- return false;
- }
- var firstBase = baseTypes[0];
- if (firstBase.flags & 2097152 /* Intersection */) {
- var types = firstBase.types;
- var mixinFlags = findMixins(types);
- var i = 0;
- for (var _i = 0, _a = firstBase.types; _i < _a.length; _i++) {
- var intersectionMember = _a[_i];
- // We want to ignore mixin ctors
- if (!mixinFlags[i]) {
- if (ts.getObjectFlags(intersectionMember) & (1 /* Class */ | 2 /* Interface */)) {
- if (intersectionMember.symbol === target) {
- return true;
- }
- if (typeHasProtectedAccessibleBase(target, intersectionMember)) {
- return true;
- }
- }
- }
- i++;
- }
- return false;
- }
- if (firstBase.symbol === target) {
- return true;
- }
- return typeHasProtectedAccessibleBase(target, firstBase);
- }
- function isConstructorAccessible(node, signature) {
- if (!signature || !signature.declaration) {
- return true;
- }
- var declaration = signature.declaration;
- var modifiers = ts.getSelectedModifierFlags(declaration, 24 /* NonPublicAccessibilityModifier */);
- // (1) Public constructors and (2) constructor functions are always accessible.
- if (!modifiers || declaration.kind !== 162 /* Constructor */) {
- return true;
- }
- var declaringClassDeclaration = ts.getClassLikeDeclarationOfSymbol(declaration.parent.symbol);
- var declaringClass = getDeclaredTypeOfSymbol(declaration.parent.symbol);
- // A private or protected constructor can only be instantiated within its own class (or a subclass, for protected)
- if (!isNodeWithinClass(node, declaringClassDeclaration)) {
- var containingClass = ts.getContainingClass(node);
- if (containingClass && modifiers & 16 /* Protected */) {
- var containingType = getTypeOfNode(containingClass);
- if (typeHasProtectedAccessibleBase(declaration.parent.symbol, containingType)) {
- return true;
- }
- }
- if (modifiers & 8 /* Private */) {
- error(node, ts.Diagnostics.Constructor_of_class_0_is_private_and_only_accessible_within_the_class_declaration, typeToString(declaringClass));
- }
- if (modifiers & 16 /* Protected */) {
- error(node, ts.Diagnostics.Constructor_of_class_0_is_protected_and_only_accessible_within_the_class_declaration, typeToString(declaringClass));
- }
- return false;
- }
- return true;
- }
- function invocationErrorDetails(apparentType, kind) {
- var errorInfo;
- var isCall = kind === 0 /* Call */;
- var awaitedType = getAwaitedType(apparentType);
- var maybeMissingAwait = awaitedType && getSignaturesOfType(awaitedType, kind).length > 0;
- if (apparentType.flags & 1048576 /* Union */) {
- var types = apparentType.types;
- var hasSignatures = false;
- for (var _i = 0, types_18 = types; _i < types_18.length; _i++) {
- var constituent = types_18[_i];
- var signatures = getSignaturesOfType(constituent, kind);
- if (signatures.length !== 0) {
- hasSignatures = true;
- if (errorInfo) {
- // Bail early if we already have an error, no chance of "No constituent of type is callable"
- break;
- }
- }
- else {
- // Error on the first non callable constituent only
- if (!errorInfo) {
- errorInfo = ts.chainDiagnosticMessages(errorInfo, isCall ?
- ts.Diagnostics.Type_0_has_no_call_signatures :
- ts.Diagnostics.Type_0_has_no_construct_signatures, typeToString(constituent));
- errorInfo = ts.chainDiagnosticMessages(errorInfo, isCall ?
- ts.Diagnostics.Not_all_constituents_of_type_0_are_callable :
- ts.Diagnostics.Not_all_constituents_of_type_0_are_constructable, typeToString(apparentType));
- }
- if (hasSignatures) {
- // Bail early if we already found a siganture, no chance of "No constituent of type is callable"
- break;
- }
- }
- }
- if (!hasSignatures) {
- errorInfo = ts.chainDiagnosticMessages(
- /* detials */ undefined, isCall ?
- ts.Diagnostics.No_constituent_of_type_0_is_callable :
- ts.Diagnostics.No_constituent_of_type_0_is_constructable, typeToString(apparentType));
- }
- if (!errorInfo) {
- errorInfo = ts.chainDiagnosticMessages(errorInfo, isCall ?
- ts.Diagnostics.Each_member_of_the_union_type_0_has_signatures_but_none_of_those_signatures_are_compatible_with_each_other :
- ts.Diagnostics.Each_member_of_the_union_type_0_has_construct_signatures_but_none_of_those_signatures_are_compatible_with_each_other, typeToString(apparentType));
- }
- }
- else {
- errorInfo = ts.chainDiagnosticMessages(errorInfo, isCall ?
- ts.Diagnostics.Type_0_has_no_call_signatures :
- ts.Diagnostics.Type_0_has_no_construct_signatures, typeToString(apparentType));
- }
- return {
- messageChain: ts.chainDiagnosticMessages(errorInfo, isCall ? ts.Diagnostics.This_expression_is_not_callable : ts.Diagnostics.This_expression_is_not_constructable),
- relatedMessage: maybeMissingAwait ? ts.Diagnostics.Did_you_forget_to_use_await : undefined,
- };
- }
- function invocationError(errorTarget, apparentType, kind, relatedInformation) {
- var _a = invocationErrorDetails(apparentType, kind), messageChain = _a.messageChain, relatedInfo = _a.relatedMessage;
- var diagnostic = ts.createDiagnosticForNodeFromMessageChain(errorTarget, messageChain);
- if (relatedInfo) {
- ts.addRelatedInfo(diagnostic, ts.createDiagnosticForNode(errorTarget, relatedInfo));
- }
- if (ts.isCallExpression(errorTarget.parent)) {
- var _b = getDiagnosticSpanForCallNode(errorTarget.parent, /* doNotIncludeArguments */ true), start = _b.start, length_7 = _b.length;
- diagnostic.start = start;
- diagnostic.length = length_7;
- }
- diagnostics.add(diagnostic);
- invocationErrorRecovery(apparentType, kind, relatedInformation ? ts.addRelatedInfo(diagnostic, relatedInformation) : diagnostic);
- }
- function invocationErrorRecovery(apparentType, kind, diagnostic) {
- if (!apparentType.symbol) {
- return;
- }
- var importNode = getSymbolLinks(apparentType.symbol).originatingImport;
- // Create a diagnostic on the originating import if possible onto which we can attach a quickfix
- // An import call expression cannot be rewritten into another form to correct the error - the only solution is to use `.default` at the use-site
- if (importNode && !ts.isImportCall(importNode)) {
- var sigs = getSignaturesOfType(getTypeOfSymbol(getSymbolLinks(apparentType.symbol).target), kind);
- if (!sigs || !sigs.length)
- return;
- ts.addRelatedInfo(diagnostic, ts.createDiagnosticForNode(importNode, ts.Diagnostics.Type_originates_at_this_import_A_namespace_style_import_cannot_be_called_or_constructed_and_will_cause_a_failure_at_runtime_Consider_using_a_default_import_or_import_require_here_instead));
- }
- }
- function resolveTaggedTemplateExpression(node, candidatesOutArray, checkMode) {
- var tagType = checkExpression(node.tag);
- var apparentType = getApparentType(tagType);
- if (apparentType === errorType) {
- // Another error has already been reported
- return resolveErrorCall(node);
- }
- var callSignatures = getSignaturesOfType(apparentType, 0 /* Call */);
- var numConstructSignatures = getSignaturesOfType(apparentType, 1 /* Construct */).length;
- if (isUntypedFunctionCall(tagType, apparentType, callSignatures.length, numConstructSignatures)) {
- return resolveUntypedCall(node);
- }
- if (!callSignatures.length) {
- invocationError(node.tag, apparentType, 0 /* Call */);
- return resolveErrorCall(node);
- }
- return resolveCall(node, callSignatures, candidatesOutArray, checkMode, 0 /* None */);
- }
- /**
- * Gets the localized diagnostic head message to use for errors when resolving a decorator as a call expression.
- */
- function getDiagnosticHeadMessageForDecoratorResolution(node) {
- switch (node.parent.kind) {
- case 245 /* ClassDeclaration */:
- case 214 /* ClassExpression */:
- return ts.Diagnostics.Unable_to_resolve_signature_of_class_decorator_when_called_as_an_expression;
- case 156 /* Parameter */:
- return ts.Diagnostics.Unable_to_resolve_signature_of_parameter_decorator_when_called_as_an_expression;
- case 159 /* PropertyDeclaration */:
- return ts.Diagnostics.Unable_to_resolve_signature_of_property_decorator_when_called_as_an_expression;
- case 161 /* MethodDeclaration */:
- case 163 /* GetAccessor */:
- case 164 /* SetAccessor */:
- return ts.Diagnostics.Unable_to_resolve_signature_of_method_decorator_when_called_as_an_expression;
- default:
- return ts.Debug.fail();
- }
- }
- /**
- * Resolves a decorator as if it were a call expression.
- */
- function resolveDecorator(node, candidatesOutArray, checkMode) {
- var funcType = checkExpression(node.expression);
- var apparentType = getApparentType(funcType);
- if (apparentType === errorType) {
- return resolveErrorCall(node);
- }
- var callSignatures = getSignaturesOfType(apparentType, 0 /* Call */);
- var numConstructSignatures = getSignaturesOfType(apparentType, 1 /* Construct */).length;
- if (isUntypedFunctionCall(funcType, apparentType, callSignatures.length, numConstructSignatures)) {
- return resolveUntypedCall(node);
- }
- if (isPotentiallyUncalledDecorator(node, callSignatures)) {
- var nodeStr = ts.getTextOfNode(node.expression, /*includeTrivia*/ false);
- error(node, ts.Diagnostics._0_accepts_too_few_arguments_to_be_used_as_a_decorator_here_Did_you_mean_to_call_it_first_and_write_0, nodeStr);
- return resolveErrorCall(node);
- }
- var headMessage = getDiagnosticHeadMessageForDecoratorResolution(node);
- if (!callSignatures.length) {
- var errorDetails = invocationErrorDetails(apparentType, 0 /* Call */);
- var messageChain = ts.chainDiagnosticMessages(errorDetails.messageChain, headMessage);
- var diag = ts.createDiagnosticForNodeFromMessageChain(node.expression, messageChain);
- if (errorDetails.relatedMessage) {
- ts.addRelatedInfo(diag, ts.createDiagnosticForNode(node.expression, errorDetails.relatedMessage));
- }
- diagnostics.add(diag);
- invocationErrorRecovery(apparentType, 0 /* Call */, diag);
- return resolveErrorCall(node);
- }
- return resolveCall(node, callSignatures, candidatesOutArray, checkMode, 0 /* None */, headMessage);
- }
- function createSignatureForJSXIntrinsic(node, result) {
- var namespace = getJsxNamespaceAt(node);
- var exports = namespace && getExportsOfSymbol(namespace);
- // We fake up a SFC signature for each intrinsic, however a more specific per-element signature drawn from the JSX declaration
- // file would probably be preferable.
- var typeSymbol = exports && getSymbol(exports, JsxNames.Element, 788968 /* Type */);
- var returnNode = typeSymbol && nodeBuilder.symbolToEntityName(typeSymbol, 788968 /* Type */, node);
- var declaration = ts.createFunctionTypeNode(/*typeParameters*/ undefined, [ts.createParameter(/*decorators*/ undefined, /*modifiers*/ undefined, /*dotdotdot*/ undefined, "props", /*questionMark*/ undefined, nodeBuilder.typeToTypeNode(result, node))], returnNode ? ts.createTypeReferenceNode(returnNode, /*typeArguments*/ undefined) : ts.createKeywordTypeNode(125 /* AnyKeyword */));
- var parameterSymbol = createSymbol(1 /* FunctionScopedVariable */, "props");
- parameterSymbol.type = result;
- return createSignature(declaration,
- /*typeParameters*/ undefined,
- /*thisParameter*/ undefined, [parameterSymbol], typeSymbol ? getDeclaredTypeOfSymbol(typeSymbol) : errorType,
- /*returnTypePredicate*/ undefined, 1, 0 /* None */);
- }
- function resolveJsxOpeningLikeElement(node, candidatesOutArray, checkMode) {
- if (isJsxIntrinsicIdentifier(node.tagName)) {
- var result = getIntrinsicAttributesTypeFromJsxOpeningLikeElement(node);
- var fakeSignature = createSignatureForJSXIntrinsic(node, result);
- checkTypeAssignableToAndOptionallyElaborate(checkExpressionWithContextualType(node.attributes, getEffectiveFirstArgumentForJsxSignature(fakeSignature, node), /*mapper*/ undefined, 0 /* Normal */), result, node.tagName, node.attributes);
- return fakeSignature;
- }
- var exprTypes = checkExpression(node.tagName);
- var apparentType = getApparentType(exprTypes);
- if (apparentType === errorType) {
- return resolveErrorCall(node);
- }
- var signatures = getUninstantiatedJsxSignaturesOfType(exprTypes, node);
- if (isUntypedFunctionCall(exprTypes, apparentType, signatures.length, /*constructSignatures*/ 0)) {
- return resolveUntypedCall(node);
- }
- if (signatures.length === 0) {
- // We found no signatures at all, which is an error
- error(node.tagName, ts.Diagnostics.JSX_element_type_0_does_not_have_any_construct_or_call_signatures, ts.getTextOfNode(node.tagName));
- return resolveErrorCall(node);
- }
- return resolveCall(node, signatures, candidatesOutArray, checkMode, 0 /* None */);
- }
- /**
- * Sometimes, we have a decorator that could accept zero arguments,
- * but is receiving too many arguments as part of the decorator invocation.
- * In those cases, a user may have meant to *call* the expression before using it as a decorator.
- */
- function isPotentiallyUncalledDecorator(decorator, signatures) {
- return signatures.length && ts.every(signatures, function (signature) {
- return signature.minArgumentCount === 0 &&
- !signatureHasRestParameter(signature) &&
- signature.parameters.length < getDecoratorArgumentCount(decorator, signature);
- });
- }
- function resolveSignature(node, candidatesOutArray, checkMode) {
- switch (node.kind) {
- case 196 /* CallExpression */:
- return resolveCallExpression(node, candidatesOutArray, checkMode);
- case 197 /* NewExpression */:
- return resolveNewExpression(node, candidatesOutArray, checkMode);
- case 198 /* TaggedTemplateExpression */:
- return resolveTaggedTemplateExpression(node, candidatesOutArray, checkMode);
- case 157 /* Decorator */:
- return resolveDecorator(node, candidatesOutArray, checkMode);
- case 268 /* JsxOpeningElement */:
- case 267 /* JsxSelfClosingElement */:
- return resolveJsxOpeningLikeElement(node, candidatesOutArray, checkMode);
- }
- throw ts.Debug.assertNever(node, "Branch in 'resolveSignature' should be unreachable.");
- }
- /**
- * Resolve a signature of a given call-like expression.
- * @param node a call-like expression to try resolve a signature for
- * @param candidatesOutArray an array of signature to be filled in by the function. It is passed by signature help in the language service;
- * the function will fill it up with appropriate candidate signatures
- * @return a signature of the call-like expression or undefined if one can't be found
- */
- function getResolvedSignature(node, candidatesOutArray, checkMode) {
- var links = getNodeLinks(node);
- // If getResolvedSignature has already been called, we will have cached the resolvedSignature.
- // However, it is possible that either candidatesOutArray was not passed in the first time,
- // or that a different candidatesOutArray was passed in. Therefore, we need to redo the work
- // to correctly fill the candidatesOutArray.
- var cached = links.resolvedSignature;
- if (cached && cached !== resolvingSignature && !candidatesOutArray) {
- return cached;
- }
- links.resolvedSignature = resolvingSignature;
- var result = resolveSignature(node, candidatesOutArray, checkMode || 0 /* Normal */);
- // When CheckMode.SkipGenericFunctions is set we use resolvingSignature to indicate that call
- // resolution should be deferred.
- if (result !== resolvingSignature) {
- // If signature resolution originated in control flow type analysis (for example to compute the
- // assigned type in a flow assignment) we don't cache the result as it may be based on temporary
- // types from the control flow analysis.
- links.resolvedSignature = flowLoopStart === flowLoopCount ? result : cached;
- }
- return result;
- }
- /**
- * Indicates whether a declaration can be treated as a constructor in a JavaScript
- * file.
- */
- function isJSConstructor(node) {
- if (!node || !ts.isInJSFile(node)) {
- return false;
- }
- var func = ts.isFunctionDeclaration(node) || ts.isFunctionExpression(node) ? node :
- ts.isVariableDeclaration(node) && node.initializer && ts.isFunctionExpression(node.initializer) ? node.initializer :
- undefined;
- if (func) {
- // If the node has a @class tag, treat it like a constructor.
- if (ts.getJSDocClassTag(node))
- return true;
- // If the symbol of the node has members, treat it like a constructor.
- var symbol = getSymbolOfNode(func);
- return !!symbol && ts.hasEntries(symbol.members);
- }
- return false;
- }
- function mergeJSSymbols(target, source) {
- if (source) {
- var links = getSymbolLinks(source);
- if (!links.inferredClassSymbol || !links.inferredClassSymbol.has("" + getSymbolId(target))) {
- var inferred = ts.isTransientSymbol(target) ? target : cloneSymbol(target);
- inferred.exports = inferred.exports || ts.createSymbolTable();
- inferred.members = inferred.members || ts.createSymbolTable();
- inferred.flags |= source.flags & 32 /* Class */;
- if (ts.hasEntries(source.exports)) {
- mergeSymbolTable(inferred.exports, source.exports);
- }
- if (ts.hasEntries(source.members)) {
- mergeSymbolTable(inferred.members, source.members);
- }
- (links.inferredClassSymbol || (links.inferredClassSymbol = ts.createMap())).set("" + getSymbolId(inferred), inferred);
- return inferred;
- }
- return links.inferredClassSymbol.get("" + getSymbolId(target));
- }
- }
- function getAssignedClassSymbol(decl) {
- var assignmentSymbol = decl && decl.parent &&
- (ts.isFunctionDeclaration(decl) && getSymbolOfNode(decl) ||
- ts.isBinaryExpression(decl.parent) && getSymbolOfNode(decl.parent.left) ||
- ts.isVariableDeclaration(decl.parent) && getSymbolOfNode(decl.parent));
- var prototype = assignmentSymbol && assignmentSymbol.exports && assignmentSymbol.exports.get("prototype");
- var init = prototype && prototype.valueDeclaration && getAssignedJSPrototype(prototype.valueDeclaration);
- return init ? getSymbolOfNode(init) : undefined;
- }
- function getAssignedJSPrototype(node) {
- if (!node.parent) {
- return false;
- }
- var parent = node.parent;
- while (parent && parent.kind === 194 /* PropertyAccessExpression */) {
- parent = parent.parent;
- }
- if (parent && ts.isBinaryExpression(parent) && ts.isPrototypeAccess(parent.left) && parent.operatorToken.kind === 62 /* EqualsToken */) {
- var right = ts.getInitializerOfBinaryExpression(parent);
- return ts.isObjectLiteralExpression(right) && right;
- }
- }
- /**
- * Syntactically and semantically checks a call or new expression.
- * @param node The call/new expression to be checked.
- * @returns On success, the expression's signature's return type. On failure, anyType.
- */
- function checkCallExpression(node, checkMode) {
- if (!checkGrammarTypeArguments(node, node.typeArguments))
- checkGrammarArguments(node.arguments);
- var signature = getResolvedSignature(node, /*candidatesOutArray*/ undefined, checkMode);
- if (signature === resolvingSignature) {
- // CheckMode.SkipGenericFunctions is enabled and this is a call to a generic function that
- // returns a function type. We defer checking and return nonInferrableType.
- return nonInferrableType;
- }
- if (node.expression.kind === 102 /* SuperKeyword */) {
- return voidType;
- }
- if (node.kind === 197 /* NewExpression */) {
- var declaration = signature.declaration;
- if (declaration &&
- declaration.kind !== 162 /* Constructor */ &&
- declaration.kind !== 166 /* ConstructSignature */ &&
- declaration.kind !== 171 /* ConstructorType */ &&
- !ts.isJSDocConstructSignature(declaration) &&
- !isJSConstructor(declaration)) {
- // When resolved signature is a call signature (and not a construct signature) the result type is any
- if (noImplicitAny) {
- error(node, ts.Diagnostics.new_expression_whose_target_lacks_a_construct_signature_implicitly_has_an_any_type);
- }
- return anyType;
- }
- }
- // In JavaScript files, calls to any identifier 'require' are treated as external module imports
- if (ts.isInJSFile(node) && isCommonJsRequire(node)) {
- return resolveExternalModuleTypeByLiteral(node.arguments[0]);
- }
- var returnType = getReturnTypeOfSignature(signature);
- // Treat any call to the global 'Symbol' function that is part of a const variable or readonly property
- // as a fresh unique symbol literal type.
- if (returnType.flags & 12288 /* ESSymbolLike */ && isSymbolOrSymbolForCall(node)) {
- return getESSymbolLikeTypeForNode(ts.walkUpParenthesizedExpressions(node.parent));
- }
- if (node.kind === 196 /* CallExpression */ && node.parent.kind === 226 /* ExpressionStatement */ &&
- returnType.flags & 16384 /* Void */ && getTypePredicateOfSignature(signature)) {
- if (!ts.isDottedName(node.expression)) {
- error(node.expression, ts.Diagnostics.Assertions_require_the_call_target_to_be_an_identifier_or_qualified_name);
- }
- else if (!getEffectsSignature(node)) {
- var diagnostic = error(node.expression, ts.Diagnostics.Assertions_require_every_name_in_the_call_target_to_be_declared_with_an_explicit_type_annotation);
- getTypeOfDottedName(node.expression, diagnostic);
- }
- }
- if (ts.isInJSFile(node)) {
- var decl = ts.getDeclarationOfExpando(node);
- if (decl) {
- var jsSymbol = getSymbolOfNode(decl);
- if (jsSymbol && ts.hasEntries(jsSymbol.exports)) {
- var jsAssignmentType = createAnonymousType(jsSymbol, jsSymbol.exports, ts.emptyArray, ts.emptyArray, undefined, undefined);
- jsAssignmentType.objectFlags |= 16384 /* JSLiteral */;
- return getIntersectionType([returnType, jsAssignmentType]);
- }
- }
- }
- return returnType;
- }
- function isSymbolOrSymbolForCall(node) {
- if (!ts.isCallExpression(node))
- return false;
- var left = node.expression;
- if (ts.isPropertyAccessExpression(left) && left.name.escapedText === "for") {
- left = left.expression;
- }
- if (!ts.isIdentifier(left) || left.escapedText !== "Symbol") {
- return false;
- }
- // make sure `Symbol` is the global symbol
- var globalESSymbol = getGlobalESSymbolConstructorSymbol(/*reportErrors*/ false);
- if (!globalESSymbol) {
- return false;
- }
- return globalESSymbol === resolveName(left, "Symbol", 111551 /* Value */, /*nameNotFoundMessage*/ undefined, /*nameArg*/ undefined, /*isUse*/ false);
- }
- function checkImportCallExpression(node) {
- // Check grammar of dynamic import
- if (!checkGrammarArguments(node.arguments))
- checkGrammarImportCallExpression(node);
- if (node.arguments.length === 0) {
- return createPromiseReturnType(node, anyType);
- }
- var specifier = node.arguments[0];
- var specifierType = checkExpressionCached(specifier);
- // Even though multiple arguments is grammatically incorrect, type-check extra arguments for completion
- for (var i = 1; i < node.arguments.length; ++i) {
- checkExpressionCached(node.arguments[i]);
- }
- if (specifierType.flags & 32768 /* Undefined */ || specifierType.flags & 65536 /* Null */ || !isTypeAssignableTo(specifierType, stringType)) {
- error(specifier, ts.Diagnostics.Dynamic_import_s_specifier_must_be_of_type_string_but_here_has_type_0, typeToString(specifierType));
- }
- // resolveExternalModuleName will return undefined if the moduleReferenceExpression is not a string literal
- var moduleSymbol = resolveExternalModuleName(node, specifier);
- if (moduleSymbol) {
- var esModuleSymbol = resolveESModuleSymbol(moduleSymbol, specifier, /*dontRecursivelyResolve*/ true, /*suppressUsageError*/ false);
- if (esModuleSymbol) {
- return createPromiseReturnType(node, getTypeWithSyntheticDefaultImportType(getTypeOfSymbol(esModuleSymbol), esModuleSymbol, moduleSymbol));
- }
- }
- return createPromiseReturnType(node, anyType);
- }
- function getTypeWithSyntheticDefaultImportType(type, symbol, originalSymbol) {
- if (allowSyntheticDefaultImports && type && type !== errorType) {
- var synthType = type;
- if (!synthType.syntheticType) {
- var file = ts.find(originalSymbol.declarations, ts.isSourceFile);
- var hasSyntheticDefault = canHaveSyntheticDefault(file, originalSymbol, /*dontResolveAlias*/ false);
- if (hasSyntheticDefault) {
- var memberTable = ts.createSymbolTable();
- var newSymbol = createSymbol(2097152 /* Alias */, "default" /* Default */);
- newSymbol.nameType = getLiteralType("default");
- newSymbol.target = resolveSymbol(symbol);
- memberTable.set("default" /* Default */, newSymbol);
- var anonymousSymbol = createSymbol(2048 /* TypeLiteral */, "__type" /* Type */);
- var defaultContainingObject = createAnonymousType(anonymousSymbol, memberTable, ts.emptyArray, ts.emptyArray, /*stringIndexInfo*/ undefined, /*numberIndexInfo*/ undefined);
- anonymousSymbol.type = defaultContainingObject;
- synthType.syntheticType = isValidSpreadType(type) ? getSpreadType(type, defaultContainingObject, anonymousSymbol, /*objectFlags*/ 0, /*readonly*/ false) : defaultContainingObject;
- }
- else {
- synthType.syntheticType = type;
- }
- }
- return synthType.syntheticType;
- }
- return type;
- }
- function isCommonJsRequire(node) {
- if (!ts.isRequireCall(node, /*checkArgumentIsStringLiteralLike*/ true)) {
- return false;
- }
- // Make sure require is not a local function
- if (!ts.isIdentifier(node.expression))
- return ts.Debug.fail();
- var resolvedRequire = resolveName(node.expression, node.expression.escapedText, 111551 /* Value */, /*nameNotFoundMessage*/ undefined, /*nameArg*/ undefined, /*isUse*/ true); // TODO: GH#18217
- if (resolvedRequire === requireSymbol) {
- return true;
- }
- // project includes symbol named 'require' - make sure that it is ambient and local non-alias
- if (resolvedRequire.flags & 2097152 /* Alias */) {
- return false;
- }
- var targetDeclarationKind = resolvedRequire.flags & 16 /* Function */
- ? 244 /* FunctionDeclaration */
- : resolvedRequire.flags & 3 /* Variable */
- ? 242 /* VariableDeclaration */
- : 0 /* Unknown */;
- if (targetDeclarationKind !== 0 /* Unknown */) {
- var decl = ts.getDeclarationOfKind(resolvedRequire, targetDeclarationKind);
- // function/variable declaration should be ambient
- return !!decl && !!(decl.flags & 8388608 /* Ambient */);
- }
- return false;
- }
- function checkTaggedTemplateExpression(node) {
- if (!checkGrammarTaggedTemplateChain(node))
- checkGrammarTypeArguments(node, node.typeArguments);
- if (languageVersion < 2 /* ES2015 */) {
- checkExternalEmitHelpers(node, 131072 /* MakeTemplateObject */);
- }
- return getReturnTypeOfSignature(getResolvedSignature(node));
- }
- function checkAssertion(node) {
- return checkAssertionWorker(node, node.type, node.expression);
- }
- function isValidConstAssertionArgument(node) {
- switch (node.kind) {
- case 10 /* StringLiteral */:
- case 14 /* NoSubstitutionTemplateLiteral */:
- case 8 /* NumericLiteral */:
- case 9 /* BigIntLiteral */:
- case 106 /* TrueKeyword */:
- case 91 /* FalseKeyword */:
- case 192 /* ArrayLiteralExpression */:
- case 193 /* ObjectLiteralExpression */:
- return true;
- case 200 /* ParenthesizedExpression */:
- return isValidConstAssertionArgument(node.expression);
- case 207 /* PrefixUnaryExpression */:
- var op = node.operator;
- var arg = node.operand;
- return op === 40 /* MinusToken */ && (arg.kind === 8 /* NumericLiteral */ || arg.kind === 9 /* BigIntLiteral */) ||
- op === 39 /* PlusToken */ && arg.kind === 8 /* NumericLiteral */;
- case 194 /* PropertyAccessExpression */:
- case 195 /* ElementAccessExpression */:
- var expr = node.expression;
- if (ts.isIdentifier(expr)) {
- var symbol = getSymbolAtLocation(expr);
- if (symbol && symbol.flags & 2097152 /* Alias */) {
- symbol = resolveAlias(symbol);
- }
- return !!(symbol && (symbol.flags & 384 /* Enum */) && getEnumKind(symbol) === 1 /* Literal */);
- }
- }
- return false;
- }
- function checkAssertionWorker(errNode, type, expression, checkMode) {
- var exprType = checkExpression(expression, checkMode);
- if (ts.isConstTypeReference(type)) {
- if (!isValidConstAssertionArgument(expression)) {
- error(expression, ts.Diagnostics.A_const_assertions_can_only_be_applied_to_references_to_enum_members_or_string_number_boolean_array_or_object_literals);
- }
- return getRegularTypeOfLiteralType(exprType);
- }
- checkSourceElement(type);
- exprType = getRegularTypeOfObjectLiteral(getBaseTypeOfLiteralType(exprType));
- var targetType = getTypeFromTypeNode(type);
- if (produceDiagnostics && targetType !== errorType) {
- var widenedType = getWidenedType(exprType);
- if (!isTypeComparableTo(targetType, widenedType)) {
- checkTypeComparableTo(exprType, targetType, errNode, ts.Diagnostics.Conversion_of_type_0_to_type_1_may_be_a_mistake_because_neither_type_sufficiently_overlaps_with_the_other_If_this_was_intentional_convert_the_expression_to_unknown_first);
- }
- }
- return targetType;
- }
- function checkNonNullChain(node) {
- var leftType = checkExpression(node.expression);
- var nonOptionalType = getOptionalExpressionType(leftType, node.expression);
- return propagateOptionalTypeMarker(getNonNullableType(nonOptionalType), node, nonOptionalType !== leftType);
- }
- function checkNonNullAssertion(node) {
- return node.flags & 32 /* OptionalChain */ ? checkNonNullChain(node) :
- getNonNullableType(checkExpression(node.expression));
- }
- function checkMetaProperty(node) {
- checkGrammarMetaProperty(node);
- if (node.keywordToken === 99 /* NewKeyword */) {
- return checkNewTargetMetaProperty(node);
- }
- if (node.keywordToken === 96 /* ImportKeyword */) {
- return checkImportMetaProperty(node);
- }
- return ts.Debug.assertNever(node.keywordToken);
- }
- function checkNewTargetMetaProperty(node) {
- var container = ts.getNewTargetContainer(node);
- if (!container) {
- error(node, ts.Diagnostics.Meta_property_0_is_only_allowed_in_the_body_of_a_function_declaration_function_expression_or_constructor, "new.target");
- return errorType;
- }
- else if (container.kind === 162 /* Constructor */) {
- var symbol = getSymbolOfNode(container.parent);
- return getTypeOfSymbol(symbol);
- }
- else {
- var symbol = getSymbolOfNode(container);
- return getTypeOfSymbol(symbol);
- }
- }
- function checkImportMetaProperty(node) {
- if (moduleKind !== ts.ModuleKind.ESNext && moduleKind !== ts.ModuleKind.System) {
- error(node, ts.Diagnostics.The_import_meta_meta_property_is_only_allowed_when_the_module_option_is_esnext_or_system);
- }
- var file = ts.getSourceFileOfNode(node);
- ts.Debug.assert(!!(file.flags & 2097152 /* PossiblyContainsImportMeta */), "Containing file is missing import meta node flag.");
- ts.Debug.assert(!!file.externalModuleIndicator, "Containing file should be a module.");
- return node.name.escapedText === "meta" ? getGlobalImportMetaType() : errorType;
- }
- function getTypeOfParameter(symbol) {
- var type = getTypeOfSymbol(symbol);
- if (strictNullChecks) {
- var declaration = symbol.valueDeclaration;
- if (declaration && ts.hasInitializer(declaration)) {
- return getOptionalType(type);
- }
- }
- return type;
- }
- function getParameterNameAtPosition(signature, pos) {
- var paramCount = signature.parameters.length - (signatureHasRestParameter(signature) ? 1 : 0);
- if (pos < paramCount) {
- return signature.parameters[pos].escapedName;
- }
- var restParameter = signature.parameters[paramCount] || unknownSymbol;
- var restType = getTypeOfSymbol(restParameter);
- if (isTupleType(restType)) {
- var associatedNames = restType.target.associatedNames;
- var index = pos - paramCount;
- return associatedNames && associatedNames[index] || restParameter.escapedName + "_" + index;
- }
- return restParameter.escapedName;
- }
- function getTypeAtPosition(signature, pos) {
- return tryGetTypeAtPosition(signature, pos) || anyType;
- }
- function tryGetTypeAtPosition(signature, pos) {
- var paramCount = signature.parameters.length - (signatureHasRestParameter(signature) ? 1 : 0);
- if (pos < paramCount) {
- return getTypeOfParameter(signature.parameters[pos]);
- }
- if (signatureHasRestParameter(signature)) {
- // We want to return the value undefined for an out of bounds parameter position,
- // so we need to check bounds here before calling getIndexedAccessType (which
- // otherwise would return the type 'undefined').
- var restType = getTypeOfSymbol(signature.parameters[paramCount]);
- var index = pos - paramCount;
- if (!isTupleType(restType) || restType.target.hasRestElement || index < getTypeArguments(restType).length) {
- return getIndexedAccessType(restType, getLiteralType(index));
- }
- }
- return undefined;
- }
- function getRestTypeAtPosition(source, pos) {
- var paramCount = getParameterCount(source);
- var restType = getEffectiveRestType(source);
- var nonRestCount = paramCount - (restType ? 1 : 0);
- if (restType && pos === nonRestCount) {
- return restType;
- }
- var types = [];
- var names = [];
- for (var i = pos; i < nonRestCount; i++) {
- types.push(getTypeAtPosition(source, i));
- names.push(getParameterNameAtPosition(source, i));
- }
- if (restType) {
- types.push(getIndexedAccessType(restType, numberType));
- names.push(getParameterNameAtPosition(source, nonRestCount));
- }
- var minArgumentCount = getMinArgumentCount(source);
- var minLength = minArgumentCount < pos ? 0 : minArgumentCount - pos;
- return createTupleType(types, minLength, !!restType, /*readonly*/ false, names);
- }
- function getParameterCount(signature) {
- var length = signature.parameters.length;
- if (signatureHasRestParameter(signature)) {
- var restType = getTypeOfSymbol(signature.parameters[length - 1]);
- if (isTupleType(restType)) {
- return length + getTypeArguments(restType).length - 1;
- }
- }
- return length;
- }
- function getMinArgumentCount(signature, strongArityForUntypedJS) {
- if (signatureHasRestParameter(signature)) {
- var restType = getTypeOfSymbol(signature.parameters[signature.parameters.length - 1]);
- if (isTupleType(restType)) {
- var minLength = restType.target.minLength;
- if (minLength > 0) {
- return signature.parameters.length - 1 + minLength;
- }
- }
- }
- if (!strongArityForUntypedJS && signature.flags & 16 /* IsUntypedSignatureInJSFile */) {
- return 0;
- }
- return signature.minArgumentCount;
- }
- function hasEffectiveRestParameter(signature) {
- if (signatureHasRestParameter(signature)) {
- var restType = getTypeOfSymbol(signature.parameters[signature.parameters.length - 1]);
- return !isTupleType(restType) || restType.target.hasRestElement;
- }
- return false;
- }
- function getEffectiveRestType(signature) {
- if (signatureHasRestParameter(signature)) {
- var restType = getTypeOfSymbol(signature.parameters[signature.parameters.length - 1]);
- return isTupleType(restType) ? getRestArrayTypeOfTupleType(restType) : restType;
- }
- return undefined;
- }
- function getNonArrayRestType(signature) {
- var restType = getEffectiveRestType(signature);
- return restType && !isArrayType(restType) && !isTypeAny(restType) && (getReducedType(restType).flags & 131072 /* Never */) === 0 ? restType : undefined;
- }
- function getTypeOfFirstParameterOfSignature(signature) {
- return getTypeOfFirstParameterOfSignatureWithFallback(signature, neverType);
- }
- function getTypeOfFirstParameterOfSignatureWithFallback(signature, fallbackType) {
- return signature.parameters.length > 0 ? getTypeAtPosition(signature, 0) : fallbackType;
- }
- function inferFromAnnotatedParameters(signature, context, inferenceContext) {
- var len = signature.parameters.length - (signatureHasRestParameter(signature) ? 1 : 0);
- for (var i = 0; i < len; i++) {
- var declaration = signature.parameters[i].valueDeclaration;
- if (declaration.type) {
- var typeNode = ts.getEffectiveTypeAnnotationNode(declaration);
- if (typeNode) {
- inferTypes(inferenceContext.inferences, getTypeFromTypeNode(typeNode), getTypeAtPosition(context, i));
- }
- }
- }
- var restType = getEffectiveRestType(context);
- if (restType && restType.flags & 262144 /* TypeParameter */) {
- // The contextual signature has a generic rest parameter. We first instantiate the contextual
- // signature (without fixing type parameters) and assign types to contextually typed parameters.
- var instantiatedContext = instantiateSignature(context, inferenceContext.nonFixingMapper);
- assignContextualParameterTypes(signature, instantiatedContext);
- // We then infer from a tuple type representing the parameters that correspond to the contextual
- // rest parameter.
- var restPos = getParameterCount(context) - 1;
- inferTypes(inferenceContext.inferences, getRestTypeAtPosition(signature, restPos), restType);
- }
- }
- function assignContextualParameterTypes(signature, context) {
- signature.typeParameters = context.typeParameters;
- if (context.thisParameter) {
- var parameter = signature.thisParameter;
- if (!parameter || parameter.valueDeclaration && !parameter.valueDeclaration.type) {
- if (!parameter) {
- signature.thisParameter = createSymbolWithType(context.thisParameter, /*type*/ undefined);
- }
- assignParameterType(signature.thisParameter, getTypeOfSymbol(context.thisParameter));
- }
- }
- var len = signature.parameters.length - (signatureHasRestParameter(signature) ? 1 : 0);
- for (var i = 0; i < len; i++) {
- var parameter = signature.parameters[i];
- if (!ts.getEffectiveTypeAnnotationNode(parameter.valueDeclaration)) {
- var contextualParameterType = tryGetTypeAtPosition(context, i);
- assignParameterType(parameter, contextualParameterType);
- }
- }
- if (signatureHasRestParameter(signature)) {
- // parameter might be a transient symbol generated by use of `arguments` in the function body.
- var parameter = ts.last(signature.parameters);
- if (ts.isTransientSymbol(parameter) || !ts.getEffectiveTypeAnnotationNode(parameter.valueDeclaration)) {
- var contextualParameterType = getRestTypeAtPosition(context, len);
- assignParameterType(parameter, contextualParameterType);
- }
- }
- }
- function assignNonContextualParameterTypes(signature) {
- if (signature.thisParameter) {
- assignParameterType(signature.thisParameter);
- }
- for (var _i = 0, _a = signature.parameters; _i < _a.length; _i++) {
- var parameter = _a[_i];
- assignParameterType(parameter);
- }
- }
- function assignParameterType(parameter, type) {
- var links = getSymbolLinks(parameter);
- if (!links.type) {
- var declaration = parameter.valueDeclaration;
- links.type = type || getWidenedTypeForVariableLikeDeclaration(declaration, /*includeOptionality*/ true);
- if (declaration.name.kind !== 75 /* Identifier */) {
- // if inference didn't come up with anything but unknown, fall back to the binding pattern if present.
- if (links.type === unknownType) {
- links.type = getTypeFromBindingPattern(declaration.name);
- }
- assignBindingElementTypes(declaration.name);
- }
- }
- }
- // When contextual typing assigns a type to a parameter that contains a binding pattern, we also need to push
- // the destructured type into the contained binding elements.
- function assignBindingElementTypes(pattern) {
- for (var _i = 0, _a = pattern.elements; _i < _a.length; _i++) {
- var element = _a[_i];
- if (!ts.isOmittedExpression(element)) {
- if (element.name.kind === 75 /* Identifier */) {
- getSymbolLinks(getSymbolOfNode(element)).type = getTypeForBindingElement(element);
- }
- else {
- assignBindingElementTypes(element.name);
- }
- }
- }
- }
- function createPromiseType(promisedType) {
- // creates a `Promise<T>` type where `T` is the promisedType argument
- var globalPromiseType = getGlobalPromiseType(/*reportErrors*/ true);
- if (globalPromiseType !== emptyGenericType) {
- // if the promised type is itself a promise, get the underlying type; otherwise, fallback to the promised type
- promisedType = getAwaitedType(promisedType) || unknownType;
- return createTypeReference(globalPromiseType, [promisedType]);
- }
- return unknownType;
- }
- function createPromiseLikeType(promisedType) {
- // creates a `PromiseLike<T>` type where `T` is the promisedType argument
- var globalPromiseLikeType = getGlobalPromiseLikeType(/*reportErrors*/ true);
- if (globalPromiseLikeType !== emptyGenericType) {
- // if the promised type is itself a promise, get the underlying type; otherwise, fallback to the promised type
- promisedType = getAwaitedType(promisedType) || unknownType;
- return createTypeReference(globalPromiseLikeType, [promisedType]);
- }
- return unknownType;
- }
- function createPromiseReturnType(func, promisedType) {
- var promiseType = createPromiseType(promisedType);
- if (promiseType === unknownType) {
- error(func, ts.isImportCall(func) ?
- ts.Diagnostics.A_dynamic_import_call_returns_a_Promise_Make_sure_you_have_a_declaration_for_Promise_or_include_ES2015_in_your_lib_option :
- ts.Diagnostics.An_async_function_or_method_must_return_a_Promise_Make_sure_you_have_a_declaration_for_Promise_or_include_ES2015_in_your_lib_option);
- return errorType;
- }
- else if (!getGlobalPromiseConstructorSymbol(/*reportErrors*/ true)) {
- error(func, ts.isImportCall(func) ?
- ts.Diagnostics.A_dynamic_import_call_in_ES5_SlashES3_requires_the_Promise_constructor_Make_sure_you_have_a_declaration_for_the_Promise_constructor_or_include_ES2015_in_your_lib_option :
- ts.Diagnostics.An_async_function_or_method_in_ES5_SlashES3_requires_the_Promise_constructor_Make_sure_you_have_a_declaration_for_the_Promise_constructor_or_include_ES2015_in_your_lib_option);
- }
- return promiseType;
- }
- function getReturnTypeFromBody(func, checkMode) {
- if (!func.body) {
- return errorType;
- }
- var functionFlags = ts.getFunctionFlags(func);
- var isAsync = (functionFlags & 2 /* Async */) !== 0;
- var isGenerator = (functionFlags & 1 /* Generator */) !== 0;
- var returnType;
- var yieldType;
- var nextType;
- var fallbackReturnType = voidType;
- if (func.body.kind !== 223 /* Block */) { // Async or normal arrow function
- returnType = checkExpressionCached(func.body, checkMode && checkMode & ~8 /* SkipGenericFunctions */);
- if (isAsync) {
- // From within an async function you can return either a non-promise value or a promise. Any
- // Promise/A+ compatible implementation will always assimilate any foreign promise, so the
- // return type of the body should be unwrapped to its awaited type, which we will wrap in
- // the native Promise<T> type later in this function.
- returnType = checkAwaitedType(returnType, /*errorNode*/ func, ts.Diagnostics.The_return_type_of_an_async_function_must_either_be_a_valid_promise_or_must_not_contain_a_callable_then_member);
- }
- }
- else if (isGenerator) { // Generator or AsyncGenerator function
- var returnTypes = checkAndAggregateReturnExpressionTypes(func, checkMode);
- if (!returnTypes) {
- fallbackReturnType = neverType;
- }
- else if (returnTypes.length > 0) {
- returnType = getUnionType(returnTypes, 2 /* Subtype */);
- }
- var _a = checkAndAggregateYieldOperandTypes(func, checkMode), yieldTypes = _a.yieldTypes, nextTypes = _a.nextTypes;
- yieldType = ts.some(yieldTypes) ? getUnionType(yieldTypes, 2 /* Subtype */) : undefined;
- nextType = ts.some(nextTypes) ? getIntersectionType(nextTypes) : undefined;
- }
- else { // Async or normal function
- var types = checkAndAggregateReturnExpressionTypes(func, checkMode);
- if (!types) {
- // For an async function, the return type will not be never, but rather a Promise for never.
- return functionFlags & 2 /* Async */
- ? createPromiseReturnType(func, neverType) // Async function
- : neverType; // Normal function
- }
- if (types.length === 0) {
- // For an async function, the return type will not be void, but rather a Promise for void.
- return functionFlags & 2 /* Async */
- ? createPromiseReturnType(func, voidType) // Async function
- : voidType; // Normal function
- }
- // Return a union of the return expression types.
- returnType = getUnionType(types, 2 /* Subtype */);
- }
- if (returnType || yieldType || nextType) {
- if (yieldType)
- reportErrorsFromWidening(func, yieldType, 3 /* GeneratorYield */);
- if (returnType)
- reportErrorsFromWidening(func, returnType, 1 /* FunctionReturn */);
- if (nextType)
- reportErrorsFromWidening(func, nextType, 2 /* GeneratorNext */);
- if (returnType && isUnitType(returnType) ||
- yieldType && isUnitType(yieldType) ||
- nextType && isUnitType(nextType)) {
- var contextualSignature = getContextualSignatureForFunctionLikeDeclaration(func);
- var contextualType = !contextualSignature ? undefined :
- contextualSignature === getSignatureFromDeclaration(func) ? isGenerator ? undefined : returnType :
- instantiateContextualType(getReturnTypeOfSignature(contextualSignature), func);
- if (isGenerator) {
- yieldType = getWidenedLiteralLikeTypeForContextualIterationTypeIfNeeded(yieldType, contextualType, 0 /* Yield */, isAsync);
- returnType = getWidenedLiteralLikeTypeForContextualIterationTypeIfNeeded(returnType, contextualType, 1 /* Return */, isAsync);
- nextType = getWidenedLiteralLikeTypeForContextualIterationTypeIfNeeded(nextType, contextualType, 2 /* Next */, isAsync);
- }
- else {
- returnType = getWidenedLiteralLikeTypeForContextualReturnTypeIfNeeded(returnType, contextualType, isAsync);
- }
- }
- if (yieldType)
- yieldType = getWidenedType(yieldType);
- if (returnType)
- returnType = getWidenedType(returnType);
- if (nextType)
- nextType = getWidenedType(nextType);
- }
- if (isGenerator) {
- return createGeneratorReturnType(yieldType || neverType, returnType || fallbackReturnType, nextType || getContextualIterationType(2 /* Next */, func) || unknownType, isAsync);
- }
- else {
- // From within an async function you can return either a non-promise value or a promise. Any
- // Promise/A+ compatible implementation will always assimilate any foreign promise, so the
- // return type of the body is awaited type of the body, wrapped in a native Promise<T> type.
- return isAsync
- ? createPromiseType(returnType || fallbackReturnType)
- : returnType || fallbackReturnType;
- }
- }
- function createGeneratorReturnType(yieldType, returnType, nextType, isAsyncGenerator) {
- var resolver = isAsyncGenerator ? asyncIterationTypesResolver : syncIterationTypesResolver;
- var globalGeneratorType = resolver.getGlobalGeneratorType(/*reportErrors*/ false);
- yieldType = resolver.resolveIterationType(yieldType, /*errorNode*/ undefined) || unknownType;
- returnType = resolver.resolveIterationType(returnType, /*errorNode*/ undefined) || unknownType;
- nextType = resolver.resolveIterationType(nextType, /*errorNode*/ undefined) || unknownType;
- if (globalGeneratorType === emptyGenericType) {
- // Fall back to the global IterableIterator if returnType is assignable to the expected return iteration
- // type of IterableIterator, and the expected next iteration type of IterableIterator is assignable to
- // nextType.
- var globalType = resolver.getGlobalIterableIteratorType(/*reportErrors*/ false);
- var iterationTypes = globalType !== emptyGenericType ? getIterationTypesOfGlobalIterableType(globalType, resolver) : undefined;
- var iterableIteratorReturnType = iterationTypes ? iterationTypes.returnType : anyType;
- var iterableIteratorNextType = iterationTypes ? iterationTypes.nextType : undefinedType;
- if (isTypeAssignableTo(returnType, iterableIteratorReturnType) &&
- isTypeAssignableTo(iterableIteratorNextType, nextType)) {
- if (globalType !== emptyGenericType) {
- return createTypeFromGenericGlobalType(globalType, [yieldType]);
- }
- // The global IterableIterator type doesn't exist, so report an error
- resolver.getGlobalIterableIteratorType(/*reportErrors*/ true);
- return emptyObjectType;
- }
- // The global Generator type doesn't exist, so report an error
- resolver.getGlobalGeneratorType(/*reportErrors*/ true);
- return emptyObjectType;
- }
- return createTypeFromGenericGlobalType(globalGeneratorType, [yieldType, returnType, nextType]);
- }
- function checkAndAggregateYieldOperandTypes(func, checkMode) {
- var yieldTypes = [];
- var nextTypes = [];
- var isAsync = (ts.getFunctionFlags(func) & 2 /* Async */) !== 0;
- ts.forEachYieldExpression(func.body, function (yieldExpression) {
- var yieldExpressionType = yieldExpression.expression ? checkExpression(yieldExpression.expression, checkMode) : undefinedWideningType;
- ts.pushIfUnique(yieldTypes, getYieldedTypeOfYieldExpression(yieldExpression, yieldExpressionType, anyType, isAsync));
- var nextType;
- if (yieldExpression.asteriskToken) {
- var iterationTypes = getIterationTypesOfIterable(yieldExpressionType, isAsync ? 19 /* AsyncYieldStar */ : 17 /* YieldStar */, yieldExpression.expression);
- nextType = iterationTypes && iterationTypes.nextType;
- }
- else {
- nextType = getContextualType(yieldExpression);
- }
- if (nextType)
- ts.pushIfUnique(nextTypes, nextType);
- });
- return { yieldTypes: yieldTypes, nextTypes: nextTypes };
- }
- function getYieldedTypeOfYieldExpression(node, expressionType, sentType, isAsync) {
- var errorNode = node.expression || node;
- // A `yield*` expression effectively yields everything that its operand yields
- var yieldedType = node.asteriskToken ? checkIteratedTypeOrElementType(isAsync ? 19 /* AsyncYieldStar */ : 17 /* YieldStar */, expressionType, sentType, errorNode) : expressionType;
- return !isAsync ? yieldedType : getAwaitedType(yieldedType, errorNode, node.asteriskToken
- ? ts.Diagnostics.Type_of_iterated_elements_of_a_yield_Asterisk_operand_must_either_be_a_valid_promise_or_must_not_contain_a_callable_then_member
- : ts.Diagnostics.Type_of_yield_operand_in_an_async_generator_must_either_be_a_valid_promise_or_must_not_contain_a_callable_then_member);
- }
- /**
- * Collect the TypeFacts learned from a typeof switch with
- * total clauses `witnesses`, and the active clause ranging
- * from `start` to `end`. Parameter `hasDefault` denotes
- * whether the active clause contains a default clause.
- */
- function getFactsFromTypeofSwitch(start, end, witnesses, hasDefault) {
- var facts = 0 /* None */;
- // When in the default we only collect inequality facts
- // because default is 'in theory' a set of infinite
- // equalities.
- if (hasDefault) {
- // Value is not equal to any types after the active clause.
- for (var i = end; i < witnesses.length; i++) {
- facts |= typeofNEFacts.get(witnesses[i]) || 32768 /* TypeofNEHostObject */;
- }
- // Remove inequalities for types that appear in the
- // active clause because they appear before other
- // types collected so far.
- for (var i = start; i < end; i++) {
- facts &= ~(typeofNEFacts.get(witnesses[i]) || 0);
- }
- // Add inequalities for types before the active clause unconditionally.
- for (var i = 0; i < start; i++) {
- facts |= typeofNEFacts.get(witnesses[i]) || 32768 /* TypeofNEHostObject */;
- }
- }
- // When in an active clause without default the set of
- // equalities is finite.
- else {
- // Add equalities for all types in the active clause.
- for (var i = start; i < end; i++) {
- facts |= typeofEQFacts.get(witnesses[i]) || 128 /* TypeofEQHostObject */;
- }
- // Remove equalities for types that appear before the
- // active clause.
- for (var i = 0; i < start; i++) {
- facts &= ~(typeofEQFacts.get(witnesses[i]) || 0);
- }
- }
- return facts;
- }
- function isExhaustiveSwitchStatement(node) {
- var links = getNodeLinks(node);
- return links.isExhaustive !== undefined ? links.isExhaustive : (links.isExhaustive = computeExhaustiveSwitchStatement(node));
- }
- function computeExhaustiveSwitchStatement(node) {
- if (node.expression.kind === 204 /* TypeOfExpression */) {
- var operandType = getTypeOfExpression(node.expression.expression);
- var witnesses = getSwitchClauseTypeOfWitnesses(node, /*retainDefault*/ false);
- // notEqualFacts states that the type of the switched value is not equal to every type in the switch.
- var notEqualFacts_1 = getFactsFromTypeofSwitch(0, 0, witnesses, /*hasDefault*/ true);
- var type_3 = getBaseConstraintOfType(operandType) || operandType;
- return !!(filterType(type_3, function (t) { return (getTypeFacts(t) & notEqualFacts_1) === notEqualFacts_1; }).flags & 131072 /* Never */);
- }
- var type = getTypeOfExpression(node.expression);
- if (!isLiteralType(type)) {
- return false;
- }
- var switchTypes = getSwitchClauseTypes(node);
- if (!switchTypes.length || ts.some(switchTypes, isNeitherUnitTypeNorNever)) {
- return false;
- }
- return eachTypeContainedIn(mapType(type, getRegularTypeOfLiteralType), switchTypes);
- }
- function functionHasImplicitReturn(func) {
- return func.endFlowNode && isReachableFlowNode(func.endFlowNode);
- }
- /** NOTE: Return value of `[]` means a different thing than `undefined`. `[]` means func returns `void`, `undefined` means it returns `never`. */
- function checkAndAggregateReturnExpressionTypes(func, checkMode) {
- var functionFlags = ts.getFunctionFlags(func);
- var aggregatedTypes = [];
- var hasReturnWithNoExpression = functionHasImplicitReturn(func);
- var hasReturnOfTypeNever = false;
- ts.forEachReturnStatement(func.body, function (returnStatement) {
- var expr = returnStatement.expression;
- if (expr) {
- var type = checkExpressionCached(expr, checkMode && checkMode & ~8 /* SkipGenericFunctions */);
- if (functionFlags & 2 /* Async */) {
- // From within an async function you can return either a non-promise value or a promise. Any
- // Promise/A+ compatible implementation will always assimilate any foreign promise, so the
- // return type of the body should be unwrapped to its awaited type, which should be wrapped in
- // the native Promise<T> type by the caller.
- type = checkAwaitedType(type, func, ts.Diagnostics.The_return_type_of_an_async_function_must_either_be_a_valid_promise_or_must_not_contain_a_callable_then_member);
- }
- if (type.flags & 131072 /* Never */) {
- hasReturnOfTypeNever = true;
- }
- ts.pushIfUnique(aggregatedTypes, type);
- }
- else {
- hasReturnWithNoExpression = true;
- }
- });
- if (aggregatedTypes.length === 0 && !hasReturnWithNoExpression && (hasReturnOfTypeNever || mayReturnNever(func))) {
- return undefined;
- }
- if (strictNullChecks && aggregatedTypes.length && hasReturnWithNoExpression &&
- !(isJSConstructor(func) && aggregatedTypes.some(function (t) { return t.symbol === func.symbol; }))) {
- // Javascript "callable constructors", containing eg `if (!(this instanceof A)) return new A()` should not add undefined
- ts.pushIfUnique(aggregatedTypes, undefinedType);
- }
- return aggregatedTypes;
- }
- function mayReturnNever(func) {
- switch (func.kind) {
- case 201 /* FunctionExpression */:
- case 202 /* ArrowFunction */:
- return true;
- case 161 /* MethodDeclaration */:
- return func.parent.kind === 193 /* ObjectLiteralExpression */;
- default:
- return false;
- }
- }
- /**
- * TypeScript Specification 1.0 (6.3) - July 2014
- * An explicitly typed function whose return type isn't the Void type,
- * the Any type, or a union type containing the Void or Any type as a constituent
- * must have at least one return statement somewhere in its body.
- * An exception to this rule is if the function implementation consists of a single 'throw' statement.
- *
- * @param returnType - return type of the function, can be undefined if return type is not explicitly specified
- */
- function checkAllCodePathsInNonVoidFunctionReturnOrThrow(func, returnType) {
- if (!produceDiagnostics) {
- return;
- }
- var functionFlags = ts.getFunctionFlags(func);
- var type = returnType && unwrapReturnType(returnType, functionFlags);
- // Functions with with an explicitly specified 'void' or 'any' return type don't need any return expressions.
- if (type && maybeTypeOfKind(type, 1 /* Any */ | 16384 /* Void */)) {
- return;
- }
- // If all we have is a function signature, or an arrow function with an expression body, then there is nothing to check.
- // also if HasImplicitReturn flag is not set this means that all codepaths in function body end with return or throw
- if (func.kind === 160 /* MethodSignature */ || ts.nodeIsMissing(func.body) || func.body.kind !== 223 /* Block */ || !functionHasImplicitReturn(func)) {
- return;
- }
- var hasExplicitReturn = func.flags & 512 /* HasExplicitReturn */;
- if (type && type.flags & 131072 /* Never */) {
- error(ts.getEffectiveReturnTypeNode(func), ts.Diagnostics.A_function_returning_never_cannot_have_a_reachable_end_point);
- }
- else if (type && !hasExplicitReturn) {
- // minimal check: function has syntactic return type annotation and no explicit return statements in the body
- // this function does not conform to the specification.
- // NOTE: having returnType !== undefined is a precondition for entering this branch so func.type will always be present
- error(ts.getEffectiveReturnTypeNode(func), ts.Diagnostics.A_function_whose_declared_type_is_neither_void_nor_any_must_return_a_value);
- }
- else if (type && strictNullChecks && !isTypeAssignableTo(undefinedType, type)) {
- error(ts.getEffectiveReturnTypeNode(func) || func, ts.Diagnostics.Function_lacks_ending_return_statement_and_return_type_does_not_include_undefined);
- }
- else if (compilerOptions.noImplicitReturns) {
- if (!type) {
- // If return type annotation is omitted check if function has any explicit return statements.
- // If it does not have any - its inferred return type is void - don't do any checks.
- // Otherwise get inferred return type from function body and report error only if it is not void / anytype
- if (!hasExplicitReturn) {
- return;
- }
- var inferredReturnType = getReturnTypeOfSignature(getSignatureFromDeclaration(func));
- if (isUnwrappedReturnTypeVoidOrAny(func, inferredReturnType)) {
- return;
- }
- }
- error(ts.getEffectiveReturnTypeNode(func) || func, ts.Diagnostics.Not_all_code_paths_return_a_value);
- }
- }
- function checkFunctionExpressionOrObjectLiteralMethod(node, checkMode) {
- ts.Debug.assert(node.kind !== 161 /* MethodDeclaration */ || ts.isObjectLiteralMethod(node));
- checkNodeDeferred(node);
- // The identityMapper object is used to indicate that function expressions are wildcards
- if (checkMode && checkMode & 4 /* SkipContextSensitive */ && isContextSensitive(node)) {
- // Skip parameters, return signature with return type that retains noncontextual parts so inferences can still be drawn in an early stage
- if (!ts.getEffectiveReturnTypeNode(node) && !hasContextSensitiveParameters(node)) {
- // Return plain anyFunctionType if there is no possibility we'll make inferences from the return type
- var contextualSignature = getContextualSignature(node);
- if (contextualSignature && couldContainTypeVariables(getReturnTypeOfSignature(contextualSignature))) {
- var links = getNodeLinks(node);
- if (links.contextFreeType) {
- return links.contextFreeType;
- }
- var returnType = getReturnTypeFromBody(node, checkMode);
- var returnOnlySignature = createSignature(undefined, undefined, undefined, ts.emptyArray, returnType, /*resolvedTypePredicate*/ undefined, 0, 0 /* None */);
- var returnOnlyType = createAnonymousType(node.symbol, emptySymbols, [returnOnlySignature], ts.emptyArray, undefined, undefined);
- returnOnlyType.objectFlags |= 2097152 /* NonInferrableType */;
- return links.contextFreeType = returnOnlyType;
- }
- }
- return anyFunctionType;
- }
- // Grammar checking
- var hasGrammarError = checkGrammarFunctionLikeDeclaration(node);
- if (!hasGrammarError && node.kind === 201 /* FunctionExpression */) {
- checkGrammarForGenerator(node);
- }
- contextuallyCheckFunctionExpressionOrObjectLiteralMethod(node, checkMode);
- return getTypeOfSymbol(getSymbolOfNode(node));
- }
- function contextuallyCheckFunctionExpressionOrObjectLiteralMethod(node, checkMode) {
- var links = getNodeLinks(node);
- // Check if function expression is contextually typed and assign parameter types if so.
- if (!(links.flags & 1024 /* ContextChecked */)) {
- var contextualSignature = getContextualSignature(node);
- // If a type check is started at a function expression that is an argument of a function call, obtaining the
- // contextual type may recursively get back to here during overload resolution of the call. If so, we will have
- // already assigned contextual types.
- if (!(links.flags & 1024 /* ContextChecked */)) {
- links.flags |= 1024 /* ContextChecked */;
- var signature = ts.firstOrUndefined(getSignaturesOfType(getTypeOfSymbol(getSymbolOfNode(node)), 0 /* Call */));
- if (!signature) {
- return;
- }
- if (isContextSensitive(node)) {
- if (contextualSignature) {
- var inferenceContext = getInferenceContext(node);
- if (checkMode && checkMode & 2 /* Inferential */) {
- inferFromAnnotatedParameters(signature, contextualSignature, inferenceContext);
- }
- var instantiatedContextualSignature = inferenceContext ?
- instantiateSignature(contextualSignature, inferenceContext.mapper) : contextualSignature;
- assignContextualParameterTypes(signature, instantiatedContextualSignature);
- }
- else {
- // Force resolution of all parameter types such that the absence of a contextual type is consistently reflected.
- assignNonContextualParameterTypes(signature);
- }
- }
- if (contextualSignature && !getReturnTypeFromAnnotation(node) && !signature.resolvedReturnType) {
- var returnType = getReturnTypeFromBody(node, checkMode);
- if (!signature.resolvedReturnType) {
- signature.resolvedReturnType = returnType;
- }
- }
- checkSignatureDeclaration(node);
- }
- }
- }
- function checkFunctionExpressionOrObjectLiteralMethodDeferred(node) {
- ts.Debug.assert(node.kind !== 161 /* MethodDeclaration */ || ts.isObjectLiteralMethod(node));
- var functionFlags = ts.getFunctionFlags(node);
- var returnType = getReturnTypeFromAnnotation(node);
- checkAllCodePathsInNonVoidFunctionReturnOrThrow(node, returnType);
- if (node.body) {
- if (!ts.getEffectiveReturnTypeNode(node)) {
- // There are some checks that are only performed in getReturnTypeFromBody, that may produce errors
- // we need. An example is the noImplicitAny errors resulting from widening the return expression
- // of a function. Because checking of function expression bodies is deferred, there was never an
- // appropriate time to do this during the main walk of the file (see the comment at the top of
- // checkFunctionExpressionBodies). So it must be done now.
- getReturnTypeOfSignature(getSignatureFromDeclaration(node));
- }
- if (node.body.kind === 223 /* Block */) {
- checkSourceElement(node.body);
- }
- else {
- // From within an async function you can return either a non-promise value or a promise. Any
- // Promise/A+ compatible implementation will always assimilate any foreign promise, so we
- // should not be checking assignability of a promise to the return type. Instead, we need to
- // check assignability of the awaited type of the expression body against the promised type of
- // its return type annotation.
- var exprType = checkExpression(node.body);
- var returnOrPromisedType = returnType && unwrapReturnType(returnType, functionFlags);
- if (returnOrPromisedType) {
- if ((functionFlags & 3 /* AsyncGenerator */) === 2 /* Async */) { // Async function
- var awaitedType = checkAwaitedType(exprType, node.body, ts.Diagnostics.The_return_type_of_an_async_function_must_either_be_a_valid_promise_or_must_not_contain_a_callable_then_member);
- checkTypeAssignableToAndOptionallyElaborate(awaitedType, returnOrPromisedType, node.body, node.body);
- }
- else { // Normal function
- checkTypeAssignableToAndOptionallyElaborate(exprType, returnOrPromisedType, node.body, node.body);
- }
- }
- }
- }
- }
- function checkArithmeticOperandType(operand, type, diagnostic, isAwaitValid) {
- if (isAwaitValid === void 0) { isAwaitValid = false; }
- if (!isTypeAssignableTo(type, numberOrBigIntType)) {
- var awaitedType = isAwaitValid && getAwaitedTypeOfPromise(type);
- errorAndMaybeSuggestAwait(operand, !!awaitedType && isTypeAssignableTo(awaitedType, numberOrBigIntType), diagnostic);
- return false;
- }
- return true;
- }
- function isReadonlyAssignmentDeclaration(d) {
- if (!ts.isCallExpression(d)) {
- return false;
- }
- if (!ts.isBindableObjectDefinePropertyCall(d)) {
- return false;
- }
- var objectLitType = checkExpressionCached(d.arguments[2]);
- var valueType = getTypeOfPropertyOfType(objectLitType, "value");
- if (valueType) {
- var writableProp = getPropertyOfType(objectLitType, "writable");
- var writableType = writableProp && getTypeOfSymbol(writableProp);
- if (!writableType || writableType === falseType || writableType === regularFalseType) {
- return true;
- }
- // We include this definition whereupon we walk back and check the type at the declaration because
- // The usual definition of `Object.defineProperty` will _not_ cause literal types to be preserved in the
- // argument types, should the type be contextualized by the call itself.
- if (writableProp && writableProp.valueDeclaration && ts.isPropertyAssignment(writableProp.valueDeclaration)) {
- var initializer = writableProp.valueDeclaration.initializer;
- var rawOriginalType = checkExpression(initializer);
- if (rawOriginalType === falseType || rawOriginalType === regularFalseType) {
- return true;
- }
- }
- return false;
- }
- var setProp = getPropertyOfType(objectLitType, "set");
- return !setProp;
- }
- function isReadonlySymbol(symbol) {
- // The following symbols are considered read-only:
- // Properties with a 'readonly' modifier
- // Variables declared with 'const'
- // Get accessors without matching set accessors
- // Enum members
- // Object.defineProperty assignments with writable false or no setter
- // Unions and intersections of the above (unions and intersections eagerly set isReadonly on creation)
- return !!(ts.getCheckFlags(symbol) & 8 /* Readonly */ ||
- symbol.flags & 4 /* Property */ && ts.getDeclarationModifierFlagsFromSymbol(symbol) & 64 /* Readonly */ ||
- symbol.flags & 3 /* Variable */ && getDeclarationNodeFlagsFromSymbol(symbol) & 2 /* Const */ ||
- symbol.flags & 98304 /* Accessor */ && !(symbol.flags & 65536 /* SetAccessor */) ||
- symbol.flags & 8 /* EnumMember */ ||
- ts.some(symbol.declarations, isReadonlyAssignmentDeclaration));
- }
- function isAssignmentToReadonlyEntity(expr, symbol, assignmentKind) {
- var _a, _b;
- if (assignmentKind === 0 /* None */) {
- // no assigment means it doesn't matter whether the entity is readonly
- return false;
- }
- if (isReadonlySymbol(symbol)) {
- // Allow assignments to readonly properties within constructors of the same class declaration.
- if (symbol.flags & 4 /* Property */ &&
- ts.isAccessExpression(expr) &&
- expr.expression.kind === 104 /* ThisKeyword */) {
- // Look for if this is the constructor for the class that `symbol` is a property of.
- var ctor = ts.getContainingFunction(expr);
- if (!(ctor && ctor.kind === 162 /* Constructor */)) {
- return true;
- }
- if (symbol.valueDeclaration) {
- var isAssignmentDeclaration_1 = ts.isBinaryExpression(symbol.valueDeclaration);
- var isLocalPropertyDeclaration = ctor.parent === symbol.valueDeclaration.parent;
- var isLocalParameterProperty = ctor === symbol.valueDeclaration.parent;
- var isLocalThisPropertyAssignment = isAssignmentDeclaration_1 && ((_a = symbol.parent) === null || _a === void 0 ? void 0 : _a.valueDeclaration) === ctor.parent;
- var isLocalThisPropertyAssignmentConstructorFunction = isAssignmentDeclaration_1 && ((_b = symbol.parent) === null || _b === void 0 ? void 0 : _b.valueDeclaration) === ctor;
- var isWriteableSymbol = isLocalPropertyDeclaration
- || isLocalParameterProperty
- || isLocalThisPropertyAssignment
- || isLocalThisPropertyAssignmentConstructorFunction;
- return !isWriteableSymbol;
- }
- }
- return true;
- }
- if (ts.isAccessExpression(expr)) {
- // references through namespace import should be readonly
- var node = ts.skipParentheses(expr.expression);
- if (node.kind === 75 /* Identifier */) {
- var symbol_2 = getNodeLinks(node).resolvedSymbol;
- if (symbol_2.flags & 2097152 /* Alias */) {
- var declaration = getDeclarationOfAliasSymbol(symbol_2);
- return !!declaration && declaration.kind === 256 /* NamespaceImport */;
- }
- }
- }
- return false;
- }
- function checkReferenceExpression(expr, invalidReferenceMessage, invalidOptionalChainMessage) {
- // References are combinations of identifiers, parentheses, and property accesses.
- var node = ts.skipOuterExpressions(expr, 6 /* Assertions */ | 1 /* Parentheses */);
- if (node.kind !== 75 /* Identifier */ && !ts.isAccessExpression(node)) {
- error(expr, invalidReferenceMessage);
- return false;
- }
- if (node.flags & 32 /* OptionalChain */) {
- error(expr, invalidOptionalChainMessage);
- return false;
- }
- return true;
- }
- function checkDeleteExpression(node) {
- checkExpression(node.expression);
- var expr = ts.skipParentheses(node.expression);
- if (!ts.isAccessExpression(expr)) {
- error(expr, ts.Diagnostics.The_operand_of_a_delete_operator_must_be_a_property_reference);
- return booleanType;
- }
- // eslint-disable-next-line
- if (expr.kind === 194 /* PropertyAccessExpression */ && ts.isPrivateIdentifier(expr.name)) {
- error(expr, ts.Diagnostics.The_operand_of_a_delete_operator_cannot_be_a_private_identifier);
- }
- var links = getNodeLinks(expr);
- var symbol = getExportSymbolOfValueSymbolIfExported(links.resolvedSymbol);
- if (symbol && isReadonlySymbol(symbol)) {
- error(expr, ts.Diagnostics.The_operand_of_a_delete_operator_cannot_be_a_read_only_property);
- }
- return booleanType;
- }
- function checkTypeOfExpression(node) {
- checkExpression(node.expression);
- return typeofType;
- }
- function checkVoidExpression(node) {
- checkExpression(node.expression);
- return undefinedWideningType;
- }
- function isTopLevelAwait(node) {
- var container = ts.getThisContainer(node, /*includeArrowFunctions*/ true);
- return ts.isSourceFile(container);
- }
- function checkAwaitExpression(node) {
- // Grammar checking
- if (produceDiagnostics) {
- if (!(node.flags & 32768 /* AwaitContext */)) {
- if (isTopLevelAwait(node)) {
- var sourceFile = ts.getSourceFileOfNode(node);
- if (!hasParseDiagnostics(sourceFile)) {
- var span = void 0;
- if (!ts.isEffectiveExternalModule(sourceFile, compilerOptions)) {
- if (!span)
- span = ts.getSpanOfTokenAtPosition(sourceFile, node.pos);
- var diagnostic = ts.createFileDiagnostic(sourceFile, span.start, span.length, ts.Diagnostics.await_expressions_are_only_allowed_at_the_top_level_of_a_file_when_that_file_is_a_module_but_this_file_has_no_imports_or_exports_Consider_adding_an_empty_export_to_make_this_file_a_module);
- diagnostics.add(diagnostic);
- }
- if ((moduleKind !== ts.ModuleKind.ESNext && moduleKind !== ts.ModuleKind.System) || languageVersion < 4 /* ES2017 */) {
- span = ts.getSpanOfTokenAtPosition(sourceFile, node.pos);
- var diagnostic = ts.createFileDiagnostic(sourceFile, span.start, span.length, ts.Diagnostics.Top_level_await_expressions_are_only_allowed_when_the_module_option_is_set_to_esnext_or_system_and_the_target_option_is_set_to_es2017_or_higher);
- diagnostics.add(diagnostic);
- }
- }
- }
- else {
- // use of 'await' in non-async function
- var sourceFile = ts.getSourceFileOfNode(node);
- if (!hasParseDiagnostics(sourceFile)) {
- var span = ts.getSpanOfTokenAtPosition(sourceFile, node.pos);
- var diagnostic = ts.createFileDiagnostic(sourceFile, span.start, span.length, ts.Diagnostics.await_expressions_are_only_allowed_within_async_functions_and_at_the_top_levels_of_modules);
- var func = ts.getContainingFunction(node);
- if (func && func.kind !== 162 /* Constructor */ && (ts.getFunctionFlags(func) & 2 /* Async */) === 0) {
- var relatedInfo = ts.createDiagnosticForNode(func, ts.Diagnostics.Did_you_mean_to_mark_this_function_as_async);
- ts.addRelatedInfo(diagnostic, relatedInfo);
- }
- diagnostics.add(diagnostic);
- }
- }
- }
- if (isInParameterInitializerBeforeContainingFunction(node)) {
- error(node, ts.Diagnostics.await_expressions_cannot_be_used_in_a_parameter_initializer);
- }
- }
- var operandType = checkExpression(node.expression);
- var awaitedType = checkAwaitedType(operandType, node, ts.Diagnostics.Type_of_await_operand_must_either_be_a_valid_promise_or_must_not_contain_a_callable_then_member);
- if (awaitedType === operandType && awaitedType !== errorType && !(operandType.flags & 3 /* AnyOrUnknown */)) {
- addErrorOrSuggestion(/*isError*/ false, ts.createDiagnosticForNode(node, ts.Diagnostics.await_has_no_effect_on_the_type_of_this_expression));
- }
- return awaitedType;
- }
- function checkPrefixUnaryExpression(node) {
- var operandType = checkExpression(node.operand);
- if (operandType === silentNeverType) {
- return silentNeverType;
- }
- switch (node.operand.kind) {
- case 8 /* NumericLiteral */:
- switch (node.operator) {
- case 40 /* MinusToken */:
- return getFreshTypeOfLiteralType(getLiteralType(-node.operand.text));
- case 39 /* PlusToken */:
- return getFreshTypeOfLiteralType(getLiteralType(+node.operand.text));
- }
- break;
- case 9 /* BigIntLiteral */:
- if (node.operator === 40 /* MinusToken */) {
- return getFreshTypeOfLiteralType(getLiteralType({
- negative: true,
- base10Value: ts.parsePseudoBigInt(node.operand.text)
- }));
- }
- }
- switch (node.operator) {
- case 39 /* PlusToken */:
- case 40 /* MinusToken */:
- case 54 /* TildeToken */:
- checkNonNullType(operandType, node.operand);
- if (maybeTypeOfKind(operandType, 12288 /* ESSymbolLike */)) {
- error(node.operand, ts.Diagnostics.The_0_operator_cannot_be_applied_to_type_symbol, ts.tokenToString(node.operator));
- }
- if (node.operator === 39 /* PlusToken */) {
- if (maybeTypeOfKind(operandType, 2112 /* BigIntLike */)) {
- error(node.operand, ts.Diagnostics.Operator_0_cannot_be_applied_to_type_1, ts.tokenToString(node.operator), typeToString(getBaseTypeOfLiteralType(operandType)));
- }
- return numberType;
- }
- return getUnaryResultType(operandType);
- case 53 /* ExclamationToken */:
- checkTruthinessExpression(node.operand);
- var facts = getTypeFacts(operandType) & (4194304 /* Truthy */ | 8388608 /* Falsy */);
- return facts === 4194304 /* Truthy */ ? falseType :
- facts === 8388608 /* Falsy */ ? trueType :
- booleanType;
- case 45 /* PlusPlusToken */:
- case 46 /* MinusMinusToken */:
- var ok = checkArithmeticOperandType(node.operand, checkNonNullType(operandType, node.operand), ts.Diagnostics.An_arithmetic_operand_must_be_of_type_any_number_bigint_or_an_enum_type);
- if (ok) {
- // run check only if former checks succeeded to avoid reporting cascading errors
- checkReferenceExpression(node.operand, ts.Diagnostics.The_operand_of_an_increment_or_decrement_operator_must_be_a_variable_or_a_property_access, ts.Diagnostics.The_operand_of_an_increment_or_decrement_operator_may_not_be_an_optional_property_access);
- }
- return getUnaryResultType(operandType);
- }
- return errorType;
- }
- function checkPostfixUnaryExpression(node) {
- var operandType = checkExpression(node.operand);
- if (operandType === silentNeverType) {
- return silentNeverType;
- }
- var ok = checkArithmeticOperandType(node.operand, checkNonNullType(operandType, node.operand), ts.Diagnostics.An_arithmetic_operand_must_be_of_type_any_number_bigint_or_an_enum_type);
- if (ok) {
- // run check only if former checks succeeded to avoid reporting cascading errors
- checkReferenceExpression(node.operand, ts.Diagnostics.The_operand_of_an_increment_or_decrement_operator_must_be_a_variable_or_a_property_access, ts.Diagnostics.The_operand_of_an_increment_or_decrement_operator_may_not_be_an_optional_property_access);
- }
- return getUnaryResultType(operandType);
- }
- function getUnaryResultType(operandType) {
- if (maybeTypeOfKind(operandType, 2112 /* BigIntLike */)) {
- return isTypeAssignableToKind(operandType, 3 /* AnyOrUnknown */) || maybeTypeOfKind(operandType, 296 /* NumberLike */)
- ? numberOrBigIntType
- : bigintType;
- }
- // If it's not a bigint type, implicit coercion will result in a number
- return numberType;
- }
- // Return true if type might be of the given kind. A union or intersection type might be of a given
- // kind if at least one constituent type is of the given kind.
- function maybeTypeOfKind(type, kind) {
- if (type.flags & kind) {
- return true;
- }
- if (type.flags & 3145728 /* UnionOrIntersection */) {
- var types = type.types;
- for (var _i = 0, types_19 = types; _i < types_19.length; _i++) {
- var t = types_19[_i];
- if (maybeTypeOfKind(t, kind)) {
- return true;
- }
- }
- }
- return false;
- }
- function isTypeAssignableToKind(source, kind, strict) {
- if (source.flags & kind) {
- return true;
- }
- if (strict && source.flags & (3 /* AnyOrUnknown */ | 16384 /* Void */ | 32768 /* Undefined */ | 65536 /* Null */)) {
- return false;
- }
- return !!(kind & 296 /* NumberLike */) && isTypeAssignableTo(source, numberType) ||
- !!(kind & 2112 /* BigIntLike */) && isTypeAssignableTo(source, bigintType) ||
- !!(kind & 132 /* StringLike */) && isTypeAssignableTo(source, stringType) ||
- !!(kind & 528 /* BooleanLike */) && isTypeAssignableTo(source, booleanType) ||
- !!(kind & 16384 /* Void */) && isTypeAssignableTo(source, voidType) ||
- !!(kind & 131072 /* Never */) && isTypeAssignableTo(source, neverType) ||
- !!(kind & 65536 /* Null */) && isTypeAssignableTo(source, nullType) ||
- !!(kind & 32768 /* Undefined */) && isTypeAssignableTo(source, undefinedType) ||
- !!(kind & 4096 /* ESSymbol */) && isTypeAssignableTo(source, esSymbolType) ||
- !!(kind & 67108864 /* NonPrimitive */) && isTypeAssignableTo(source, nonPrimitiveType);
- }
- function allTypesAssignableToKind(source, kind, strict) {
- return source.flags & 1048576 /* Union */ ?
- ts.every(source.types, function (subType) { return allTypesAssignableToKind(subType, kind, strict); }) :
- isTypeAssignableToKind(source, kind, strict);
- }
- function isConstEnumObjectType(type) {
- return !!(ts.getObjectFlags(type) & 16 /* Anonymous */) && !!type.symbol && isConstEnumSymbol(type.symbol);
- }
- function isConstEnumSymbol(symbol) {
- return (symbol.flags & 128 /* ConstEnum */) !== 0;
- }
- function checkInstanceOfExpression(left, right, leftType, rightType) {
- if (leftType === silentNeverType || rightType === silentNeverType) {
- return silentNeverType;
- }
- // TypeScript 1.0 spec (April 2014): 4.15.4
- // The instanceof operator requires the left operand to be of type Any, an object type, or a type parameter type,
- // and the right operand to be of type Any, a subtype of the 'Function' interface type, or have a call or construct signature.
- // The result is always of the Boolean primitive type.
- // NOTE: do not raise error if leftType is unknown as related error was already reported
- if (!isTypeAny(leftType) &&
- allTypesAssignableToKind(leftType, 131068 /* Primitive */)) {
- error(left, ts.Diagnostics.The_left_hand_side_of_an_instanceof_expression_must_be_of_type_any_an_object_type_or_a_type_parameter);
- }
- // NOTE: do not raise error if right is unknown as related error was already reported
- if (!(isTypeAny(rightType) || typeHasCallOrConstructSignatures(rightType) || isTypeSubtypeOf(rightType, globalFunctionType))) {
- error(right, ts.Diagnostics.The_right_hand_side_of_an_instanceof_expression_must_be_of_type_any_or_of_a_type_assignable_to_the_Function_interface_type);
- }
- return booleanType;
- }
- function checkInExpression(left, right, leftType, rightType) {
- if (leftType === silentNeverType || rightType === silentNeverType) {
- return silentNeverType;
- }
- leftType = checkNonNullType(leftType, left);
- rightType = checkNonNullType(rightType, right);
- // TypeScript 1.0 spec (April 2014): 4.15.5
- // The in operator requires the left operand to be of type Any, the String primitive type, or the Number primitive type,
- // and the right operand to be of type Any, an object type, or a type parameter type.
- // The result is always of the Boolean primitive type.
- if (!(isTypeComparableTo(leftType, stringType) || isTypeAssignableToKind(leftType, 296 /* NumberLike */ | 12288 /* ESSymbolLike */))) {
- error(left, ts.Diagnostics.The_left_hand_side_of_an_in_expression_must_be_of_type_any_string_number_or_symbol);
- }
- if (!allTypesAssignableToKind(rightType, 67108864 /* NonPrimitive */ | 58982400 /* InstantiableNonPrimitive */)) {
- error(right, ts.Diagnostics.The_right_hand_side_of_an_in_expression_must_be_of_type_any_an_object_type_or_a_type_parameter);
- }
- return booleanType;
- }
- function checkObjectLiteralAssignment(node, sourceType, rightIsThis) {
- var properties = node.properties;
- if (strictNullChecks && properties.length === 0) {
- return checkNonNullType(sourceType, node);
- }
- for (var i = 0; i < properties.length; i++) {
- checkObjectLiteralDestructuringPropertyAssignment(node, sourceType, i, properties, rightIsThis);
- }
- return sourceType;
- }
- /** Note: If property cannot be a SpreadAssignment, then allProperties does not need to be provided */
- function checkObjectLiteralDestructuringPropertyAssignment(node, objectLiteralType, propertyIndex, allProperties, rightIsThis) {
- if (rightIsThis === void 0) { rightIsThis = false; }
- var properties = node.properties;
- var property = properties[propertyIndex];
- if (property.kind === 281 /* PropertyAssignment */ || property.kind === 282 /* ShorthandPropertyAssignment */) {
- var name = property.name;
- var exprType = getLiteralTypeFromPropertyName(name);
- if (isTypeUsableAsPropertyName(exprType)) {
- var text = getPropertyNameFromType(exprType);
- var prop = getPropertyOfType(objectLiteralType, text);
- if (prop) {
- markPropertyAsReferenced(prop, property, rightIsThis);
- checkPropertyAccessibility(property, /*isSuper*/ false, objectLiteralType, prop);
- }
- }
- var elementType = getIndexedAccessType(objectLiteralType, exprType, name);
- var type = getFlowTypeOfDestructuring(property, elementType);
- return checkDestructuringAssignment(property.kind === 282 /* ShorthandPropertyAssignment */ ? property : property.initializer, type);
- }
- else if (property.kind === 283 /* SpreadAssignment */) {
- if (propertyIndex < properties.length - 1) {
- error(property, ts.Diagnostics.A_rest_element_must_be_last_in_a_destructuring_pattern);
- }
- else {
- if (languageVersion < 99 /* ESNext */) {
- checkExternalEmitHelpers(property, 4 /* Rest */);
- }
- var nonRestNames = [];
- if (allProperties) {
- for (var _i = 0, allProperties_1 = allProperties; _i < allProperties_1.length; _i++) {
- var otherProperty = allProperties_1[_i];
- if (!ts.isSpreadAssignment(otherProperty)) {
- nonRestNames.push(otherProperty.name);
- }
- }
- }
- var type = getRestType(objectLiteralType, nonRestNames, objectLiteralType.symbol);
- checkGrammarForDisallowedTrailingComma(allProperties, ts.Diagnostics.A_rest_parameter_or_binding_pattern_may_not_have_a_trailing_comma);
- return checkDestructuringAssignment(property.expression, type);
- }
- }
- else {
- error(property, ts.Diagnostics.Property_assignment_expected);
- }
- }
- function checkArrayLiteralAssignment(node, sourceType, checkMode) {
- var elements = node.elements;
- if (languageVersion < 2 /* ES2015 */ && compilerOptions.downlevelIteration) {
- checkExternalEmitHelpers(node, 512 /* Read */);
- }
- // This elementType will be used if the specific property corresponding to this index is not
- // present (aka the tuple element property). This call also checks that the parentType is in
- // fact an iterable or array (depending on target language).
- var elementType = checkIteratedTypeOrElementType(65 /* Destructuring */, sourceType, undefinedType, node) || errorType;
- for (var i = 0; i < elements.length; i++) {
- checkArrayLiteralDestructuringElementAssignment(node, sourceType, i, elementType, checkMode);
- }
- return sourceType;
- }
- function checkArrayLiteralDestructuringElementAssignment(node, sourceType, elementIndex, elementType, checkMode) {
- var elements = node.elements;
- var element = elements[elementIndex];
- if (element.kind !== 215 /* OmittedExpression */) {
- if (element.kind !== 213 /* SpreadElement */) {
- var indexType = getLiteralType(elementIndex);
- if (isArrayLikeType(sourceType)) {
- // We create a synthetic expression so that getIndexedAccessType doesn't get confused
- // when the element is a SyntaxKind.ElementAccessExpression.
- var accessFlags = hasDefaultValue(element) ? 8 /* NoTupleBoundsCheck */ : 0;
- var elementType_2 = getIndexedAccessTypeOrUndefined(sourceType, indexType, createSyntheticExpression(element, indexType), accessFlags) || errorType;
- var assignedType = hasDefaultValue(element) ? getTypeWithFacts(elementType_2, 524288 /* NEUndefined */) : elementType_2;
- var type = getFlowTypeOfDestructuring(element, assignedType);
- return checkDestructuringAssignment(element, type, checkMode);
- }
- return checkDestructuringAssignment(element, elementType, checkMode);
- }
- if (elementIndex < elements.length - 1) {
- error(element, ts.Diagnostics.A_rest_element_must_be_last_in_a_destructuring_pattern);
- }
- else {
- var restExpression = element.expression;
- if (restExpression.kind === 209 /* BinaryExpression */ && restExpression.operatorToken.kind === 62 /* EqualsToken */) {
- error(restExpression.operatorToken, ts.Diagnostics.A_rest_element_cannot_have_an_initializer);
- }
- else {
- checkGrammarForDisallowedTrailingComma(node.elements, ts.Diagnostics.A_rest_parameter_or_binding_pattern_may_not_have_a_trailing_comma);
- var type = everyType(sourceType, isTupleType) ?
- mapType(sourceType, function (t) { return sliceTupleType(t, elementIndex); }) :
- createArrayType(elementType);
- return checkDestructuringAssignment(restExpression, type, checkMode);
- }
- }
- }
- return undefined;
- }
- function checkDestructuringAssignment(exprOrAssignment, sourceType, checkMode, rightIsThis) {
- var target;
- if (exprOrAssignment.kind === 282 /* ShorthandPropertyAssignment */) {
- var prop = exprOrAssignment;
- if (prop.objectAssignmentInitializer) {
- // In strict null checking mode, if a default value of a non-undefined type is specified, remove
- // undefined from the final type.
- if (strictNullChecks &&
- !(getFalsyFlags(checkExpression(prop.objectAssignmentInitializer)) & 32768 /* Undefined */)) {
- sourceType = getTypeWithFacts(sourceType, 524288 /* NEUndefined */);
- }
- checkBinaryLikeExpression(prop.name, prop.equalsToken, prop.objectAssignmentInitializer, checkMode);
- }
- target = exprOrAssignment.name;
- }
- else {
- target = exprOrAssignment;
- }
- if (target.kind === 209 /* BinaryExpression */ && target.operatorToken.kind === 62 /* EqualsToken */) {
- checkBinaryExpression(target, checkMode);
- target = target.left;
- }
- if (target.kind === 193 /* ObjectLiteralExpression */) {
- return checkObjectLiteralAssignment(target, sourceType, rightIsThis);
- }
- if (target.kind === 192 /* ArrayLiteralExpression */) {
- return checkArrayLiteralAssignment(target, sourceType, checkMode);
- }
- return checkReferenceAssignment(target, sourceType, checkMode);
- }
- function checkReferenceAssignment(target, sourceType, checkMode) {
- var targetType = checkExpression(target, checkMode);
- var error = target.parent.kind === 283 /* SpreadAssignment */ ?
- ts.Diagnostics.The_target_of_an_object_rest_assignment_must_be_a_variable_or_a_property_access :
- ts.Diagnostics.The_left_hand_side_of_an_assignment_expression_must_be_a_variable_or_a_property_access;
- var optionalError = target.parent.kind === 283 /* SpreadAssignment */ ?
- ts.Diagnostics.The_target_of_an_object_rest_assignment_may_not_be_an_optional_property_access :
- ts.Diagnostics.The_left_hand_side_of_an_assignment_expression_may_not_be_an_optional_property_access;
- if (checkReferenceExpression(target, error, optionalError)) {
- checkTypeAssignableToAndOptionallyElaborate(sourceType, targetType, target, target);
- }
- if (ts.isPrivateIdentifierPropertyAccessExpression(target)) {
- checkExternalEmitHelpers(target.parent, 524288 /* ClassPrivateFieldSet */);
- }
- return sourceType;
- }
- /**
- * This is a *shallow* check: An expression is side-effect-free if the
- * evaluation of the expression *itself* cannot produce side effects.
- * For example, x++ / 3 is side-effect free because the / operator
- * does not have side effects.
- * The intent is to "smell test" an expression for correctness in positions where
- * its value is discarded (e.g. the left side of the comma operator).
- */
- function isSideEffectFree(node) {
- node = ts.skipParentheses(node);
- switch (node.kind) {
- case 75 /* Identifier */:
- case 10 /* StringLiteral */:
- case 13 /* RegularExpressionLiteral */:
- case 198 /* TaggedTemplateExpression */:
- case 211 /* TemplateExpression */:
- case 14 /* NoSubstitutionTemplateLiteral */:
- case 8 /* NumericLiteral */:
- case 9 /* BigIntLiteral */:
- case 106 /* TrueKeyword */:
- case 91 /* FalseKeyword */:
- case 100 /* NullKeyword */:
- case 146 /* UndefinedKeyword */:
- case 201 /* FunctionExpression */:
- case 214 /* ClassExpression */:
- case 202 /* ArrowFunction */:
- case 192 /* ArrayLiteralExpression */:
- case 193 /* ObjectLiteralExpression */:
- case 204 /* TypeOfExpression */:
- case 218 /* NonNullExpression */:
- case 267 /* JsxSelfClosingElement */:
- case 266 /* JsxElement */:
- return true;
- case 210 /* ConditionalExpression */:
- return isSideEffectFree(node.whenTrue) &&
- isSideEffectFree(node.whenFalse);
- case 209 /* BinaryExpression */:
- if (ts.isAssignmentOperator(node.operatorToken.kind)) {
- return false;
- }
- return isSideEffectFree(node.left) &&
- isSideEffectFree(node.right);
- case 207 /* PrefixUnaryExpression */:
- case 208 /* PostfixUnaryExpression */:
- // Unary operators ~, !, +, and - have no side effects.
- // The rest do.
- switch (node.operator) {
- case 53 /* ExclamationToken */:
- case 39 /* PlusToken */:
- case 40 /* MinusToken */:
- case 54 /* TildeToken */:
- return true;
- }
- return false;
- // Some forms listed here for clarity
- case 205 /* VoidExpression */: // Explicit opt-out
- case 199 /* TypeAssertionExpression */: // Not SEF, but can produce useful type warnings
- case 217 /* AsExpression */: // Not SEF, but can produce useful type warnings
- default:
- return false;
- }
- }
- function isTypeEqualityComparableTo(source, target) {
- return (target.flags & 98304 /* Nullable */) !== 0 || isTypeComparableTo(source, target);
- }
- var CheckBinaryExpressionState;
- (function (CheckBinaryExpressionState) {
- CheckBinaryExpressionState[CheckBinaryExpressionState["MaybeCheckLeft"] = 0] = "MaybeCheckLeft";
- CheckBinaryExpressionState[CheckBinaryExpressionState["CheckRight"] = 1] = "CheckRight";
- CheckBinaryExpressionState[CheckBinaryExpressionState["FinishCheck"] = 2] = "FinishCheck";
- })(CheckBinaryExpressionState || (CheckBinaryExpressionState = {}));
- function checkBinaryExpression(node, checkMode) {
- var workStacks = {
- expr: [node],
- state: [0 /* MaybeCheckLeft */],
- leftType: [undefined]
- };
- var stackIndex = 0;
- var lastResult;
- while (stackIndex >= 0) {
- node = workStacks.expr[stackIndex];
- switch (workStacks.state[stackIndex]) {
- case 0 /* MaybeCheckLeft */: {
- if (ts.isInJSFile(node) && ts.getAssignedExpandoInitializer(node)) {
- finishInvocation(checkExpression(node.right, checkMode));
- break;
- }
- checkGrammarNullishCoalesceWithLogicalExpression(node);
- var operator = node.operatorToken.kind;
- if (operator === 62 /* EqualsToken */ && (node.left.kind === 193 /* ObjectLiteralExpression */ || node.left.kind === 192 /* ArrayLiteralExpression */)) {
- finishInvocation(checkDestructuringAssignment(node.left, checkExpression(node.right, checkMode), checkMode, node.right.kind === 104 /* ThisKeyword */));
- break;
- }
- advanceState(1 /* CheckRight */);
- maybeCheckExpression(node.left);
- break;
- }
- case 1 /* CheckRight */: {
- var leftType = lastResult;
- workStacks.leftType[stackIndex] = leftType;
- var operator = node.operatorToken.kind;
- if (operator === 55 /* AmpersandAmpersandToken */ || operator === 56 /* BarBarToken */ || operator === 60 /* QuestionQuestionToken */) {
- checkTruthinessOfType(leftType, node.left);
- }
- advanceState(2 /* FinishCheck */);
- maybeCheckExpression(node.right);
- break;
- }
- case 2 /* FinishCheck */: {
- var leftType = workStacks.leftType[stackIndex];
- var rightType = lastResult;
- finishInvocation(checkBinaryLikeExpressionWorker(node.left, node.operatorToken, node.right, leftType, rightType, node));
- break;
- }
- default: return ts.Debug.fail("Invalid state " + workStacks.state[stackIndex] + " for checkBinaryExpression");
- }
- }
- return lastResult;
- function finishInvocation(result) {
- lastResult = result;
- stackIndex--;
- }
- /**
- * Note that `advanceState` sets the _current_ head state, and that `maybeCheckExpression` potentially pushes on a new
- * head state; so `advanceState` must be called before any `maybeCheckExpression` during a state's execution.
- */
- function advanceState(nextState) {
- workStacks.state[stackIndex] = nextState;
- }
- function maybeCheckExpression(node) {
- if (ts.isBinaryExpression(node)) {
- stackIndex++;
- workStacks.expr[stackIndex] = node;
- workStacks.state[stackIndex] = 0 /* MaybeCheckLeft */;
- workStacks.leftType[stackIndex] = undefined;
- }
- else {
- lastResult = checkExpression(node, checkMode);
- }
- }
- }
- function checkGrammarNullishCoalesceWithLogicalExpression(node) {
- var left = node.left, operatorToken = node.operatorToken, right = node.right;
- if (operatorToken.kind === 60 /* QuestionQuestionToken */) {
- if (ts.isBinaryExpression(left) && (left.operatorToken.kind === 56 /* BarBarToken */ || left.operatorToken.kind === 55 /* AmpersandAmpersandToken */)) {
- grammarErrorOnNode(left, ts.Diagnostics._0_and_1_operations_cannot_be_mixed_without_parentheses, ts.tokenToString(left.operatorToken.kind), ts.tokenToString(operatorToken.kind));
- }
- if (ts.isBinaryExpression(right) && (right.operatorToken.kind === 56 /* BarBarToken */ || right.operatorToken.kind === 55 /* AmpersandAmpersandToken */)) {
- grammarErrorOnNode(right, ts.Diagnostics._0_and_1_operations_cannot_be_mixed_without_parentheses, ts.tokenToString(right.operatorToken.kind), ts.tokenToString(operatorToken.kind));
- }
- }
- }
- // Note that this and `checkBinaryExpression` above should behave mostly the same, except this elides some
- // expression-wide checks and does not use a work stack to fold nested binary expressions into the same callstack frame
- function checkBinaryLikeExpression(left, operatorToken, right, checkMode, errorNode) {
- var operator = operatorToken.kind;
- if (operator === 62 /* EqualsToken */ && (left.kind === 193 /* ObjectLiteralExpression */ || left.kind === 192 /* ArrayLiteralExpression */)) {
- return checkDestructuringAssignment(left, checkExpression(right, checkMode), checkMode, right.kind === 104 /* ThisKeyword */);
- }
- var leftType;
- if (operator === 55 /* AmpersandAmpersandToken */ || operator === 56 /* BarBarToken */ || operator === 60 /* QuestionQuestionToken */) {
- leftType = checkTruthinessExpression(left, checkMode);
- }
- else {
- leftType = checkExpression(left, checkMode);
- }
- var rightType = checkExpression(right, checkMode);
- return checkBinaryLikeExpressionWorker(left, operatorToken, right, leftType, rightType, errorNode);
- }
- function checkBinaryLikeExpressionWorker(left, operatorToken, right, leftType, rightType, errorNode) {
- var operator = operatorToken.kind;
- switch (operator) {
- case 41 /* AsteriskToken */:
- case 42 /* AsteriskAsteriskToken */:
- case 65 /* AsteriskEqualsToken */:
- case 66 /* AsteriskAsteriskEqualsToken */:
- case 43 /* SlashToken */:
- case 67 /* SlashEqualsToken */:
- case 44 /* PercentToken */:
- case 68 /* PercentEqualsToken */:
- case 40 /* MinusToken */:
- case 64 /* MinusEqualsToken */:
- case 47 /* LessThanLessThanToken */:
- case 69 /* LessThanLessThanEqualsToken */:
- case 48 /* GreaterThanGreaterThanToken */:
- case 70 /* GreaterThanGreaterThanEqualsToken */:
- case 49 /* GreaterThanGreaterThanGreaterThanToken */:
- case 71 /* GreaterThanGreaterThanGreaterThanEqualsToken */:
- case 51 /* BarToken */:
- case 73 /* BarEqualsToken */:
- case 52 /* CaretToken */:
- case 74 /* CaretEqualsToken */:
- case 50 /* AmpersandToken */:
- case 72 /* AmpersandEqualsToken */:
- if (leftType === silentNeverType || rightType === silentNeverType) {
- return silentNeverType;
- }
- leftType = checkNonNullType(leftType, left);
- rightType = checkNonNullType(rightType, right);
- var suggestedOperator = void 0;
- // if a user tries to apply a bitwise operator to 2 boolean operands
- // try and return them a helpful suggestion
- if ((leftType.flags & 528 /* BooleanLike */) &&
- (rightType.flags & 528 /* BooleanLike */) &&
- (suggestedOperator = getSuggestedBooleanOperator(operatorToken.kind)) !== undefined) {
- error(errorNode || operatorToken, ts.Diagnostics.The_0_operator_is_not_allowed_for_boolean_types_Consider_using_1_instead, ts.tokenToString(operatorToken.kind), ts.tokenToString(suggestedOperator));
- return numberType;
- }
- else {
- // otherwise just check each operand separately and report errors as normal
- var leftOk = checkArithmeticOperandType(left, leftType, ts.Diagnostics.The_left_hand_side_of_an_arithmetic_operation_must_be_of_type_any_number_bigint_or_an_enum_type, /*isAwaitValid*/ true);
- var rightOk = checkArithmeticOperandType(right, rightType, ts.Diagnostics.The_right_hand_side_of_an_arithmetic_operation_must_be_of_type_any_number_bigint_or_an_enum_type, /*isAwaitValid*/ true);
- var resultType_1;
- // If both are any or unknown, allow operation; assume it will resolve to number
- if ((isTypeAssignableToKind(leftType, 3 /* AnyOrUnknown */) && isTypeAssignableToKind(rightType, 3 /* AnyOrUnknown */)) ||
- // Or, if neither could be bigint, implicit coercion results in a number result
- !(maybeTypeOfKind(leftType, 2112 /* BigIntLike */) || maybeTypeOfKind(rightType, 2112 /* BigIntLike */))) {
- resultType_1 = numberType;
- }
- // At least one is assignable to bigint, so check that both are
- else if (bothAreBigIntLike(leftType, rightType)) {
- switch (operator) {
- case 49 /* GreaterThanGreaterThanGreaterThanToken */:
- case 71 /* GreaterThanGreaterThanGreaterThanEqualsToken */:
- reportOperatorError();
- }
- resultType_1 = bigintType;
- }
- // Exactly one of leftType/rightType is assignable to bigint
- else {
- reportOperatorError(bothAreBigIntLike);
- resultType_1 = errorType;
- }
- if (leftOk && rightOk) {
- checkAssignmentOperator(resultType_1);
- }
- return resultType_1;
- }
- case 39 /* PlusToken */:
- case 63 /* PlusEqualsToken */:
- if (leftType === silentNeverType || rightType === silentNeverType) {
- return silentNeverType;
- }
- if (!isTypeAssignableToKind(leftType, 132 /* StringLike */) && !isTypeAssignableToKind(rightType, 132 /* StringLike */)) {
- leftType = checkNonNullType(leftType, left);
- rightType = checkNonNullType(rightType, right);
- }
- var resultType = void 0;
- if (isTypeAssignableToKind(leftType, 296 /* NumberLike */, /*strict*/ true) && isTypeAssignableToKind(rightType, 296 /* NumberLike */, /*strict*/ true)) {
- // Operands of an enum type are treated as having the primitive type Number.
- // If both operands are of the Number primitive type, the result is of the Number primitive type.
- resultType = numberType;
- }
- else if (isTypeAssignableToKind(leftType, 2112 /* BigIntLike */, /*strict*/ true) && isTypeAssignableToKind(rightType, 2112 /* BigIntLike */, /*strict*/ true)) {
- // If both operands are of the BigInt primitive type, the result is of the BigInt primitive type.
- resultType = bigintType;
- }
- else if (isTypeAssignableToKind(leftType, 132 /* StringLike */, /*strict*/ true) || isTypeAssignableToKind(rightType, 132 /* StringLike */, /*strict*/ true)) {
- // If one or both operands are of the String primitive type, the result is of the String primitive type.
- resultType = stringType;
- }
- else if (isTypeAny(leftType) || isTypeAny(rightType)) {
- // Otherwise, the result is of type Any.
- // NOTE: unknown type here denotes error type. Old compiler treated this case as any type so do we.
- resultType = leftType === errorType || rightType === errorType ? errorType : anyType;
- }
- // Symbols are not allowed at all in arithmetic expressions
- if (resultType && !checkForDisallowedESSymbolOperand(operator)) {
- return resultType;
- }
- if (!resultType) {
- // Types that have a reasonably good chance of being a valid operand type.
- // If both types have an awaited type of one of these, we'll assume the user
- // might be missing an await without doing an exhaustive check that inserting
- // await(s) will actually be a completely valid binary expression.
- var closeEnoughKind_1 = 296 /* NumberLike */ | 2112 /* BigIntLike */ | 132 /* StringLike */ | 3 /* AnyOrUnknown */;
- reportOperatorError(function (left, right) {
- return isTypeAssignableToKind(left, closeEnoughKind_1) &&
- isTypeAssignableToKind(right, closeEnoughKind_1);
- });
- return anyType;
- }
- if (operator === 63 /* PlusEqualsToken */) {
- checkAssignmentOperator(resultType);
- }
- return resultType;
- case 29 /* LessThanToken */:
- case 31 /* GreaterThanToken */:
- case 32 /* LessThanEqualsToken */:
- case 33 /* GreaterThanEqualsToken */:
- if (checkForDisallowedESSymbolOperand(operator)) {
- leftType = getBaseTypeOfLiteralType(checkNonNullType(leftType, left));
- rightType = getBaseTypeOfLiteralType(checkNonNullType(rightType, right));
- reportOperatorErrorUnless(function (left, right) {
- return isTypeComparableTo(left, right) || isTypeComparableTo(right, left) || (isTypeAssignableTo(left, numberOrBigIntType) && isTypeAssignableTo(right, numberOrBigIntType));
- });
- }
- return booleanType;
- case 34 /* EqualsEqualsToken */:
- case 35 /* ExclamationEqualsToken */:
- case 36 /* EqualsEqualsEqualsToken */:
- case 37 /* ExclamationEqualsEqualsToken */:
- reportOperatorErrorUnless(function (left, right) { return isTypeEqualityComparableTo(left, right) || isTypeEqualityComparableTo(right, left); });
- return booleanType;
- case 98 /* InstanceOfKeyword */:
- return checkInstanceOfExpression(left, right, leftType, rightType);
- case 97 /* InKeyword */:
- return checkInExpression(left, right, leftType, rightType);
- case 55 /* AmpersandAmpersandToken */:
- return getTypeFacts(leftType) & 4194304 /* Truthy */ ?
- getUnionType([extractDefinitelyFalsyTypes(strictNullChecks ? leftType : getBaseTypeOfLiteralType(rightType)), rightType]) :
- leftType;
- case 56 /* BarBarToken */:
- return getTypeFacts(leftType) & 8388608 /* Falsy */ ?
- getUnionType([removeDefinitelyFalsyTypes(leftType), rightType], 2 /* Subtype */) :
- leftType;
- case 60 /* QuestionQuestionToken */:
- return getTypeFacts(leftType) & 262144 /* EQUndefinedOrNull */ ?
- getUnionType([getNonNullableType(leftType), rightType], 2 /* Subtype */) :
- leftType;
- case 62 /* EqualsToken */:
- var declKind = ts.isBinaryExpression(left.parent) ? ts.getAssignmentDeclarationKind(left.parent) : 0 /* None */;
- checkAssignmentDeclaration(declKind, rightType);
- if (isAssignmentDeclaration(declKind)) {
- if (!(rightType.flags & 524288 /* Object */) ||
- declKind !== 2 /* ModuleExports */ &&
- declKind !== 6 /* Prototype */ &&
- !isEmptyObjectType(rightType) &&
- !isFunctionObjectType(rightType) &&
- !(ts.getObjectFlags(rightType) & 1 /* Class */)) {
- // don't check assignability of module.exports=, C.prototype=, or expando types because they will necessarily be incomplete
- checkAssignmentOperator(rightType);
- }
- return leftType;
- }
- else {
- checkAssignmentOperator(rightType);
- return getRegularTypeOfObjectLiteral(rightType);
- }
- case 27 /* CommaToken */:
- if (!compilerOptions.allowUnreachableCode && isSideEffectFree(left) && !isEvalNode(right)) {
- error(left, ts.Diagnostics.Left_side_of_comma_operator_is_unused_and_has_no_side_effects);
- }
- return rightType;
- default:
- return ts.Debug.fail();
- }
- function bothAreBigIntLike(left, right) {
- return isTypeAssignableToKind(left, 2112 /* BigIntLike */) && isTypeAssignableToKind(right, 2112 /* BigIntLike */);
- }
- function checkAssignmentDeclaration(kind, rightType) {
- if (kind === 2 /* ModuleExports */) {
- for (var _i = 0, _a = getPropertiesOfObjectType(rightType); _i < _a.length; _i++) {
- var prop = _a[_i];
- var propType = getTypeOfSymbol(prop);
- if (propType.symbol && propType.symbol.flags & 32 /* Class */) {
- var name = prop.escapedName;
- var symbol = resolveName(prop.valueDeclaration, name, 788968 /* Type */, undefined, name, /*isUse*/ false);
- if (symbol && symbol.declarations.some(ts.isJSDocTypedefTag)) {
- addDuplicateDeclarationErrorsForSymbols(symbol, ts.Diagnostics.Duplicate_identifier_0, ts.unescapeLeadingUnderscores(name), prop);
- addDuplicateDeclarationErrorsForSymbols(prop, ts.Diagnostics.Duplicate_identifier_0, ts.unescapeLeadingUnderscores(name), symbol);
- }
- }
- }
- }
- }
- function isEvalNode(node) {
- return node.kind === 75 /* Identifier */ && node.escapedText === "eval";
- }
- // Return true if there was no error, false if there was an error.
- function checkForDisallowedESSymbolOperand(operator) {
- var offendingSymbolOperand = maybeTypeOfKind(leftType, 12288 /* ESSymbolLike */) ? left :
- maybeTypeOfKind(rightType, 12288 /* ESSymbolLike */) ? right :
- undefined;
- if (offendingSymbolOperand) {
- error(offendingSymbolOperand, ts.Diagnostics.The_0_operator_cannot_be_applied_to_type_symbol, ts.tokenToString(operator));
- return false;
- }
- return true;
- }
- function getSuggestedBooleanOperator(operator) {
- switch (operator) {
- case 51 /* BarToken */:
- case 73 /* BarEqualsToken */:
- return 56 /* BarBarToken */;
- case 52 /* CaretToken */:
- case 74 /* CaretEqualsToken */:
- return 37 /* ExclamationEqualsEqualsToken */;
- case 50 /* AmpersandToken */:
- case 72 /* AmpersandEqualsToken */:
- return 55 /* AmpersandAmpersandToken */;
- default:
- return undefined;
- }
- }
- function checkAssignmentOperator(valueType) {
- if (produceDiagnostics && ts.isAssignmentOperator(operator)) {
- // TypeScript 1.0 spec (April 2014): 4.17
- // An assignment of the form
- // VarExpr = ValueExpr
- // requires VarExpr to be classified as a reference
- // A compound assignment furthermore requires VarExpr to be classified as a reference (section 4.1)
- // and the type of the non-compound operation to be assignable to the type of VarExpr.
- if (checkReferenceExpression(left, ts.Diagnostics.The_left_hand_side_of_an_assignment_expression_must_be_a_variable_or_a_property_access, ts.Diagnostics.The_left_hand_side_of_an_assignment_expression_may_not_be_an_optional_property_access)
- && (!ts.isIdentifier(left) || ts.unescapeLeadingUnderscores(left.escapedText) !== "exports")) {
- // to avoid cascading errors check assignability only if 'isReference' check succeeded and no errors were reported
- checkTypeAssignableToAndOptionallyElaborate(valueType, leftType, left, right);
- }
- }
- }
- function isAssignmentDeclaration(kind) {
- switch (kind) {
- case 2 /* ModuleExports */:
- return true;
- case 1 /* ExportsProperty */:
- case 5 /* Property */:
- case 6 /* Prototype */:
- case 3 /* PrototypeProperty */:
- case 4 /* ThisProperty */:
- var symbol = getSymbolOfNode(left);
- var init = ts.getAssignedExpandoInitializer(right);
- return init && ts.isObjectLiteralExpression(init) &&
- symbol && ts.hasEntries(symbol.exports);
- default:
- return false;
- }
- }
- /**
- * Returns true if an error is reported
- */
- function reportOperatorErrorUnless(typesAreCompatible) {
- if (!typesAreCompatible(leftType, rightType)) {
- reportOperatorError(typesAreCompatible);
- return true;
- }
- return false;
- }
- function reportOperatorError(isRelated) {
- var _a;
- var wouldWorkWithAwait = false;
- var errNode = errorNode || operatorToken;
- if (isRelated) {
- var awaitedLeftType = getAwaitedType(leftType);
- var awaitedRightType = getAwaitedType(rightType);
- wouldWorkWithAwait = !(awaitedLeftType === leftType && awaitedRightType === rightType)
- && !!(awaitedLeftType && awaitedRightType)
- && isRelated(awaitedLeftType, awaitedRightType);
- }
- var effectiveLeft = leftType;
- var effectiveRight = rightType;
- if (!wouldWorkWithAwait && isRelated) {
- _a = getBaseTypesIfUnrelated(leftType, rightType, isRelated), effectiveLeft = _a[0], effectiveRight = _a[1];
- }
- var _b = getTypeNamesForErrorDisplay(effectiveLeft, effectiveRight), leftStr = _b[0], rightStr = _b[1];
- if (!tryGiveBetterPrimaryError(errNode, wouldWorkWithAwait, leftStr, rightStr)) {
- errorAndMaybeSuggestAwait(errNode, wouldWorkWithAwait, ts.Diagnostics.Operator_0_cannot_be_applied_to_types_1_and_2, ts.tokenToString(operatorToken.kind), leftStr, rightStr);
- }
- }
- function tryGiveBetterPrimaryError(errNode, maybeMissingAwait, leftStr, rightStr) {
- var typeName;
- switch (operatorToken.kind) {
- case 36 /* EqualsEqualsEqualsToken */:
- case 34 /* EqualsEqualsToken */:
- typeName = "false";
- break;
- case 37 /* ExclamationEqualsEqualsToken */:
- case 35 /* ExclamationEqualsToken */:
- typeName = "true";
- }
- if (typeName) {
- return errorAndMaybeSuggestAwait(errNode, maybeMissingAwait, ts.Diagnostics.This_condition_will_always_return_0_since_the_types_1_and_2_have_no_overlap, typeName, leftStr, rightStr);
- }
- return undefined;
- }
- }
- function getBaseTypesIfUnrelated(leftType, rightType, isRelated) {
- var effectiveLeft = leftType;
- var effectiveRight = rightType;
- var leftBase = getBaseTypeOfLiteralType(leftType);
- var rightBase = getBaseTypeOfLiteralType(rightType);
- if (!isRelated(leftBase, rightBase)) {
- effectiveLeft = leftBase;
- effectiveRight = rightBase;
- }
- return [effectiveLeft, effectiveRight];
- }
- function checkYieldExpression(node) {
- // Grammar checking
- if (produceDiagnostics) {
- if (!(node.flags & 8192 /* YieldContext */)) {
- grammarErrorOnFirstToken(node, ts.Diagnostics.A_yield_expression_is_only_allowed_in_a_generator_body);
- }
- if (isInParameterInitializerBeforeContainingFunction(node)) {
- error(node, ts.Diagnostics.yield_expressions_cannot_be_used_in_a_parameter_initializer);
- }
- }
- var func = ts.getContainingFunction(node);
- if (!func)
- return anyType;
- var functionFlags = ts.getFunctionFlags(func);
- if (!(functionFlags & 1 /* Generator */)) {
- // If the user's code is syntactically correct, the func should always have a star. After all, we are in a yield context.
- return anyType;
- }
- var isAsync = (functionFlags & 2 /* Async */) !== 0;
- if (node.asteriskToken) {
- // Async generator functions prior to ESNext require the __await, __asyncDelegator,
- // and __asyncValues helpers
- if (isAsync && languageVersion < 99 /* ESNext */) {
- checkExternalEmitHelpers(node, 53248 /* AsyncDelegatorIncludes */);
- }
- // Generator functions prior to ES2015 require the __values helper
- if (!isAsync && languageVersion < 2 /* ES2015 */ && compilerOptions.downlevelIteration) {
- checkExternalEmitHelpers(node, 256 /* Values */);
- }
- }
- // There is no point in doing an assignability check if the function
- // has no explicit return type because the return type is directly computed
- // from the yield expressions.
- var returnType = getReturnTypeFromAnnotation(func);
- var iterationTypes = returnType && getIterationTypesOfGeneratorFunctionReturnType(returnType, isAsync);
- var signatureYieldType = iterationTypes && iterationTypes.yieldType || anyType;
- var signatureNextType = iterationTypes && iterationTypes.nextType || anyType;
- var resolvedSignatureNextType = isAsync ? getAwaitedType(signatureNextType) || anyType : signatureNextType;
- var yieldExpressionType = node.expression ? checkExpression(node.expression) : undefinedWideningType;
- var yieldedType = getYieldedTypeOfYieldExpression(node, yieldExpressionType, resolvedSignatureNextType, isAsync);
- if (returnType && yieldedType) {
- checkTypeAssignableToAndOptionallyElaborate(yieldedType, signatureYieldType, node.expression || node, node.expression);
- }
- if (node.asteriskToken) {
- var use = isAsync ? 19 /* AsyncYieldStar */ : 17 /* YieldStar */;
- return getIterationTypeOfIterable(use, 1 /* Return */, yieldExpressionType, node.expression)
- || anyType;
- }
- else if (returnType) {
- return getIterationTypeOfGeneratorFunctionReturnType(2 /* Next */, returnType, isAsync)
- || anyType;
- }
- return getContextualIterationType(2 /* Next */, func) || anyType;
- }
- function checkConditionalExpression(node, checkMode) {
- var type = checkTruthinessExpression(node.condition);
- checkTestingKnownTruthyCallableType(node.condition, node.whenTrue, type);
- var type1 = checkExpression(node.whenTrue, checkMode);
- var type2 = checkExpression(node.whenFalse, checkMode);
- return getUnionType([type1, type2], 2 /* Subtype */);
- }
- function checkTemplateExpression(node) {
- // We just want to check each expressions, but we are unconcerned with
- // the type of each expression, as any value may be coerced into a string.
- // It is worth asking whether this is what we really want though.
- // A place where we actually *are* concerned with the expressions' types are
- // in tagged templates.
- ts.forEach(node.templateSpans, function (templateSpan) {
- if (maybeTypeOfKind(checkExpression(templateSpan.expression), 12288 /* ESSymbolLike */)) {
- error(templateSpan.expression, ts.Diagnostics.Implicit_conversion_of_a_symbol_to_a_string_will_fail_at_runtime_Consider_wrapping_this_expression_in_String);
- }
- });
- return stringType;
- }
- function getContextNode(node) {
- if (node.kind === 274 /* JsxAttributes */ && !ts.isJsxSelfClosingElement(node.parent)) {
- return node.parent.parent; // Needs to be the root JsxElement, so it encompasses the attributes _and_ the children (which are essentially part of the attributes)
- }
- return node;
- }
- function checkExpressionWithContextualType(node, contextualType, inferenceContext, checkMode) {
- var context = getContextNode(node);
- var saveContextualType = context.contextualType;
- var saveInferenceContext = context.inferenceContext;
- try {
- context.contextualType = contextualType;
- context.inferenceContext = inferenceContext;
- var type = checkExpression(node, checkMode | 1 /* Contextual */ | (inferenceContext ? 2 /* Inferential */ : 0));
- // We strip literal freshness when an appropriate contextual type is present such that contextually typed
- // literals always preserve their literal types (otherwise they might widen during type inference). An alternative
- // here would be to not mark contextually typed literals as fresh in the first place.
- var result = maybeTypeOfKind(type, 2944 /* Literal */) && isLiteralOfContextualType(type, instantiateContextualType(contextualType, node)) ?
- getRegularTypeOfLiteralType(type) : type;
- return result;
- }
- finally {
- // In the event our operation is canceled or some other exception occurs, reset the contextual type
- // so that we do not accidentally hold onto an instance of the checker, as a Type created in the services layer
- // may hold onto the checker that created it.
- context.contextualType = saveContextualType;
- context.inferenceContext = saveInferenceContext;
- }
- }
- function checkExpressionCached(node, checkMode) {
- var links = getNodeLinks(node);
- if (!links.resolvedType) {
- if (checkMode && checkMode !== 0 /* Normal */) {
- return checkExpression(node, checkMode);
- }
- // When computing a type that we're going to cache, we need to ignore any ongoing control flow
- // analysis because variables may have transient types in indeterminable states. Moving flowLoopStart
- // to the top of the stack ensures all transient types are computed from a known point.
- var saveFlowLoopStart = flowLoopStart;
- var saveFlowTypeCache = flowTypeCache;
- flowLoopStart = flowLoopCount;
- flowTypeCache = undefined;
- links.resolvedType = checkExpression(node, checkMode);
- flowTypeCache = saveFlowTypeCache;
- flowLoopStart = saveFlowLoopStart;
- }
- return links.resolvedType;
- }
- function isTypeAssertion(node) {
- node = ts.skipParentheses(node);
- return node.kind === 199 /* TypeAssertionExpression */ || node.kind === 217 /* AsExpression */;
- }
- function checkDeclarationInitializer(declaration, contextualType) {
- var initializer = ts.getEffectiveInitializer(declaration);
- var type = getQuickTypeOfExpression(initializer) ||
- (contextualType ? checkExpressionWithContextualType(initializer, contextualType, /*inferenceContext*/ undefined, 0 /* Normal */) : checkExpressionCached(initializer));
- return ts.isParameter(declaration) && declaration.name.kind === 190 /* ArrayBindingPattern */ &&
- isTupleType(type) && !type.target.hasRestElement && getTypeReferenceArity(type) < declaration.name.elements.length ?
- padTupleType(type, declaration.name) : type;
- }
- function padTupleType(type, pattern) {
- var patternElements = pattern.elements;
- var arity = getTypeReferenceArity(type);
- var elementTypes = arity ? getTypeArguments(type).slice() : [];
- for (var i = arity; i < patternElements.length; i++) {
- var e = patternElements[i];
- if (i < patternElements.length - 1 || !(e.kind === 191 /* BindingElement */ && e.dotDotDotToken)) {
- elementTypes.push(!ts.isOmittedExpression(e) && hasDefaultValue(e) ? getTypeFromBindingElement(e, /*includePatternInType*/ false, /*reportErrors*/ false) : anyType);
- if (!ts.isOmittedExpression(e) && !hasDefaultValue(e)) {
- reportImplicitAny(e, anyType);
- }
- }
- }
- return createTupleType(elementTypes, type.target.minLength, /*hasRestElement*/ false, type.target.readonly);
- }
- function widenTypeInferredFromInitializer(declaration, type) {
- var widened = ts.getCombinedNodeFlags(declaration) & 2 /* Const */ || ts.isDeclarationReadonly(declaration) ? type : getWidenedLiteralType(type);
- if (ts.isInJSFile(declaration)) {
- if (widened.flags & 98304 /* Nullable */) {
- reportImplicitAny(declaration, anyType);
- return anyType;
- }
- else if (isEmptyArrayLiteralType(widened)) {
- reportImplicitAny(declaration, anyArrayType);
- return anyArrayType;
- }
- }
- return widened;
- }
- function isLiteralOfContextualType(candidateType, contextualType) {
- if (contextualType) {
- if (contextualType.flags & 3145728 /* UnionOrIntersection */) {
- var types = contextualType.types;
- return ts.some(types, function (t) { return isLiteralOfContextualType(candidateType, t); });
- }
- if (contextualType.flags & 58982400 /* InstantiableNonPrimitive */) {
- // If the contextual type is a type variable constrained to a primitive type, consider
- // this a literal context for literals of that primitive type. For example, given a
- // type parameter 'T extends string', infer string literal types for T.
- var constraint = getBaseConstraintOfType(contextualType) || unknownType;
- return maybeTypeOfKind(constraint, 4 /* String */) && maybeTypeOfKind(candidateType, 128 /* StringLiteral */) ||
- maybeTypeOfKind(constraint, 8 /* Number */) && maybeTypeOfKind(candidateType, 256 /* NumberLiteral */) ||
- maybeTypeOfKind(constraint, 64 /* BigInt */) && maybeTypeOfKind(candidateType, 2048 /* BigIntLiteral */) ||
- maybeTypeOfKind(constraint, 4096 /* ESSymbol */) && maybeTypeOfKind(candidateType, 8192 /* UniqueESSymbol */) ||
- isLiteralOfContextualType(candidateType, constraint);
- }
- // If the contextual type is a literal of a particular primitive type, we consider this a
- // literal context for all literals of that primitive type.
- return !!(contextualType.flags & (128 /* StringLiteral */ | 4194304 /* Index */) && maybeTypeOfKind(candidateType, 128 /* StringLiteral */) ||
- contextualType.flags & 256 /* NumberLiteral */ && maybeTypeOfKind(candidateType, 256 /* NumberLiteral */) ||
- contextualType.flags & 2048 /* BigIntLiteral */ && maybeTypeOfKind(candidateType, 2048 /* BigIntLiteral */) ||
- contextualType.flags & 512 /* BooleanLiteral */ && maybeTypeOfKind(candidateType, 512 /* BooleanLiteral */) ||
- contextualType.flags & 8192 /* UniqueESSymbol */ && maybeTypeOfKind(candidateType, 8192 /* UniqueESSymbol */));
- }
- return false;
- }
- function isConstContext(node) {
- var parent = node.parent;
- return ts.isAssertionExpression(parent) && ts.isConstTypeReference(parent.type) ||
- (ts.isParenthesizedExpression(parent) || ts.isArrayLiteralExpression(parent) || ts.isSpreadElement(parent)) && isConstContext(parent) ||
- (ts.isPropertyAssignment(parent) || ts.isShorthandPropertyAssignment(parent)) && isConstContext(parent.parent);
- }
- function checkExpressionForMutableLocation(node, checkMode, contextualType, forceTuple) {
- var type = checkExpression(node, checkMode, forceTuple);
- return isConstContext(node) ? getRegularTypeOfLiteralType(type) :
- isTypeAssertion(node) ? type :
- getWidenedLiteralLikeTypeForContextualType(type, instantiateContextualType(arguments.length === 2 ? getContextualType(node) : contextualType, node));
- }
- function checkPropertyAssignment(node, checkMode) {
- // Do not use hasDynamicName here, because that returns false for well known symbols.
- // We want to perform checkComputedPropertyName for all computed properties, including
- // well known symbols.
- if (node.name.kind === 154 /* ComputedPropertyName */) {
- checkComputedPropertyName(node.name);
- }
- return checkExpressionForMutableLocation(node.initializer, checkMode);
- }
- function checkObjectLiteralMethod(node, checkMode) {
- // Grammar checking
- checkGrammarMethod(node);
- // Do not use hasDynamicName here, because that returns false for well known symbols.
- // We want to perform checkComputedPropertyName for all computed properties, including
- // well known symbols.
- if (node.name.kind === 154 /* ComputedPropertyName */) {
- checkComputedPropertyName(node.name);
- }
- var uninstantiatedType = checkFunctionExpressionOrObjectLiteralMethod(node, checkMode);
- return instantiateTypeWithSingleGenericCallSignature(node, uninstantiatedType, checkMode);
- }
- function instantiateTypeWithSingleGenericCallSignature(node, type, checkMode) {
- if (checkMode && checkMode & (2 /* Inferential */ | 8 /* SkipGenericFunctions */)) {
- var callSignature = getSingleSignature(type, 0 /* Call */, /*allowMembers*/ true);
- var constructSignature = getSingleSignature(type, 1 /* Construct */, /*allowMembers*/ true);
- var signature = callSignature || constructSignature;
- if (signature && signature.typeParameters) {
- var contextualType = getApparentTypeOfContextualType(node, 2 /* NoConstraints */);
- if (contextualType) {
- var contextualSignature = getSingleSignature(getNonNullableType(contextualType), callSignature ? 0 /* Call */ : 1 /* Construct */, /*allowMembers*/ false);
- if (contextualSignature && !contextualSignature.typeParameters) {
- if (checkMode & 8 /* SkipGenericFunctions */) {
- skippedGenericFunction(node, checkMode);
- return anyFunctionType;
- }
- var context = getInferenceContext(node);
- // We have an expression that is an argument of a generic function for which we are performing
- // type argument inference. The expression is of a function type with a single generic call
- // signature and a contextual function type with a single non-generic call signature. Now check
- // if the outer function returns a function type with a single non-generic call signature and
- // if some of the outer function type parameters have no inferences so far. If so, we can
- // potentially add inferred type parameters to the outer function return type.
- var returnType = context.signature && getReturnTypeOfSignature(context.signature);
- var returnSignature = returnType && getSingleCallOrConstructSignature(returnType);
- if (returnSignature && !returnSignature.typeParameters && !ts.every(context.inferences, hasInferenceCandidates)) {
- // Instantiate the signature with its own type parameters as type arguments, possibly
- // renaming the type parameters to ensure they have unique names.
- var uniqueTypeParameters = getUniqueTypeParameters(context, signature.typeParameters);
- var instantiatedSignature = getSignatureInstantiationWithoutFillingInTypeArguments(signature, uniqueTypeParameters);
- // Infer from the parameters of the instantiated signature to the parameters of the
- // contextual signature starting with an empty set of inference candidates.
- var inferences_3 = ts.map(context.inferences, function (info) { return createInferenceInfo(info.typeParameter); });
- applyToParameterTypes(instantiatedSignature, contextualSignature, function (source, target) {
- inferTypes(inferences_3, source, target, /*priority*/ 0, /*contravariant*/ true);
- });
- if (ts.some(inferences_3, hasInferenceCandidates)) {
- // We have inference candidates, indicating that one or more type parameters are referenced
- // in the parameter types of the contextual signature. Now also infer from the return type.
- applyToReturnTypes(instantiatedSignature, contextualSignature, function (source, target) {
- inferTypes(inferences_3, source, target);
- });
- // If the type parameters for which we produced candidates do not have any inferences yet,
- // we adopt the new inference candidates and add the type parameters of the expression type
- // to the set of inferred type parameters for the outer function return type.
- if (!hasOverlappingInferences(context.inferences, inferences_3)) {
- mergeInferences(context.inferences, inferences_3);
- context.inferredTypeParameters = ts.concatenate(context.inferredTypeParameters, uniqueTypeParameters);
- return getOrCreateTypeFromSignature(instantiatedSignature);
- }
- }
- }
- return getOrCreateTypeFromSignature(instantiateSignatureInContextOf(signature, contextualSignature, context));
- }
- }
- }
- }
- return type;
- }
- function skippedGenericFunction(node, checkMode) {
- if (checkMode & 2 /* Inferential */) {
- // We have skipped a generic function during inferential typing. Obtain the inference context and
- // indicate this has occurred such that we know a second pass of inference is be needed.
- var context = getInferenceContext(node);
- context.flags |= 4 /* SkippedGenericFunction */;
- }
- }
- function hasInferenceCandidates(info) {
- return !!(info.candidates || info.contraCandidates);
- }
- function hasOverlappingInferences(a, b) {
- for (var i = 0; i < a.length; i++) {
- if (hasInferenceCandidates(a[i]) && hasInferenceCandidates(b[i])) {
- return true;
- }
- }
- return false;
- }
- function mergeInferences(target, source) {
- for (var i = 0; i < target.length; i++) {
- if (!hasInferenceCandidates(target[i]) && hasInferenceCandidates(source[i])) {
- target[i] = source[i];
- }
- }
- }
- function getUniqueTypeParameters(context, typeParameters) {
- var result = [];
- var oldTypeParameters;
- var newTypeParameters;
- for (var _i = 0, typeParameters_2 = typeParameters; _i < typeParameters_2.length; _i++) {
- var tp = typeParameters_2[_i];
- var name = tp.symbol.escapedName;
- if (hasTypeParameterByName(context.inferredTypeParameters, name) || hasTypeParameterByName(result, name)) {
- var newName = getUniqueTypeParameterName(ts.concatenate(context.inferredTypeParameters, result), name);
- var symbol = createSymbol(262144 /* TypeParameter */, newName);
- var newTypeParameter = createTypeParameter(symbol);
- newTypeParameter.target = tp;
- oldTypeParameters = ts.append(oldTypeParameters, tp);
- newTypeParameters = ts.append(newTypeParameters, newTypeParameter);
- result.push(newTypeParameter);
- }
- else {
- result.push(tp);
- }
- }
- if (newTypeParameters) {
- var mapper = createTypeMapper(oldTypeParameters, newTypeParameters);
- for (var _a = 0, newTypeParameters_1 = newTypeParameters; _a < newTypeParameters_1.length; _a++) {
- var tp = newTypeParameters_1[_a];
- tp.mapper = mapper;
- }
- }
- return result;
- }
- function hasTypeParameterByName(typeParameters, name) {
- return ts.some(typeParameters, function (tp) { return tp.symbol.escapedName === name; });
- }
- function getUniqueTypeParameterName(typeParameters, baseName) {
- var len = baseName.length;
- while (len > 1 && baseName.charCodeAt(len - 1) >= 48 /* _0 */ && baseName.charCodeAt(len - 1) <= 57 /* _9 */)
- len--;
- var s = baseName.slice(0, len);
- for (var index = 1; true; index++) {
- var augmentedName = (s + index);
- if (!hasTypeParameterByName(typeParameters, augmentedName)) {
- return augmentedName;
- }
- }
- }
- function getReturnTypeOfSingleNonGenericCallSignature(funcType) {
- var signature = getSingleCallSignature(funcType);
- if (signature && !signature.typeParameters) {
- return getReturnTypeOfSignature(signature);
- }
- }
- function getReturnTypeOfSingleNonGenericSignatureOfCallChain(expr) {
- var funcType = checkExpression(expr.expression);
- var nonOptionalType = getOptionalExpressionType(funcType, expr.expression);
- var returnType = getReturnTypeOfSingleNonGenericCallSignature(funcType);
- return returnType && propagateOptionalTypeMarker(returnType, expr, nonOptionalType !== funcType);
- }
- /**
- * Returns the type of an expression. Unlike checkExpression, this function is simply concerned
- * with computing the type and may not fully check all contained sub-expressions for errors.
- */
- function getTypeOfExpression(node) {
- // Don't bother caching types that require no flow analysis and are quick to compute.
- var quickType = getQuickTypeOfExpression(node);
- if (quickType) {
- return quickType;
- }
- // If a type has been cached for the node, return it.
- if (node.flags & 67108864 /* TypeCached */ && flowTypeCache) {
- var cachedType = flowTypeCache[getNodeId(node)];
- if (cachedType) {
- return cachedType;
- }
- }
- var startInvocationCount = flowInvocationCount;
- var type = checkExpression(node);
- // If control flow analysis was required to determine the type, it is worth caching.
- if (flowInvocationCount !== startInvocationCount) {
- var cache = flowTypeCache || (flowTypeCache = []);
- cache[getNodeId(node)] = type;
- node.flags |= 67108864 /* TypeCached */;
- }
- return type;
- }
- function getQuickTypeOfExpression(node) {
- var expr = ts.skipParentheses(node);
- // Optimize for the common case of a call to a function with a single non-generic call
- // signature where we can just fetch the return type without checking the arguments.
- if (ts.isCallExpression(expr) && expr.expression.kind !== 102 /* SuperKeyword */ && !ts.isRequireCall(expr, /*checkArgumentIsStringLiteralLike*/ true) && !isSymbolOrSymbolForCall(expr)) {
- var type = ts.isCallChain(expr) ? getReturnTypeOfSingleNonGenericSignatureOfCallChain(expr) :
- getReturnTypeOfSingleNonGenericCallSignature(checkNonNullExpression(expr.expression));
- if (type) {
- return type;
- }
- }
- else if (ts.isAssertionExpression(expr) && !ts.isConstTypeReference(expr.type)) {
- return getTypeFromTypeNode(expr.type);
- }
- else if (node.kind === 8 /* NumericLiteral */ || node.kind === 10 /* StringLiteral */ ||
- node.kind === 106 /* TrueKeyword */ || node.kind === 91 /* FalseKeyword */) {
- return checkExpression(node);
- }
- return undefined;
- }
- /**
- * Returns the type of an expression. Unlike checkExpression, this function is simply concerned
- * with computing the type and may not fully check all contained sub-expressions for errors.
- * It is intended for uses where you know there is no contextual type,
- * and requesting the contextual type might cause a circularity or other bad behaviour.
- * It sets the contextual type of the node to any before calling getTypeOfExpression.
- */
- function getContextFreeTypeOfExpression(node) {
- var links = getNodeLinks(node);
- if (links.contextFreeType) {
- return links.contextFreeType;
- }
- var saveContextualType = node.contextualType;
- node.contextualType = anyType;
- try {
- var type = links.contextFreeType = checkExpression(node, 4 /* SkipContextSensitive */);
- return type;
- }
- finally {
- // In the event our operation is canceled or some other exception occurs, reset the contextual type
- // so that we do not accidentally hold onto an instance of the checker, as a Type created in the services layer
- // may hold onto the checker that created it.
- node.contextualType = saveContextualType;
- }
- }
- function checkExpression(node, checkMode, forceTuple) {
- var saveCurrentNode = currentNode;
- currentNode = node;
- instantiationCount = 0;
- var uninstantiatedType = checkExpressionWorker(node, checkMode, forceTuple);
- var type = instantiateTypeWithSingleGenericCallSignature(node, uninstantiatedType, checkMode);
- if (isConstEnumObjectType(type)) {
- checkConstEnumAccess(node, type);
- }
- currentNode = saveCurrentNode;
- return type;
- }
- function checkConstEnumAccess(node, type) {
- // enum object type for const enums are only permitted in:
- // - 'left' in property access
- // - 'object' in indexed access
- // - target in rhs of import statement
- var ok = (node.parent.kind === 194 /* PropertyAccessExpression */ && node.parent.expression === node) ||
- (node.parent.kind === 195 /* ElementAccessExpression */ && node.parent.expression === node) ||
- ((node.kind === 75 /* Identifier */ || node.kind === 153 /* QualifiedName */) && isInRightSideOfImportOrExportAssignment(node) ||
- (node.parent.kind === 172 /* TypeQuery */ && node.parent.exprName === node)) ||
- (node.parent.kind === 263 /* ExportSpecifier */); // We allow reexporting const enums
- if (!ok) {
- error(node, ts.Diagnostics.const_enums_can_only_be_used_in_property_or_index_access_expressions_or_the_right_hand_side_of_an_import_declaration_or_export_assignment_or_type_query);
- }
- if (compilerOptions.isolatedModules) {
- ts.Debug.assert(!!(type.symbol.flags & 128 /* ConstEnum */));
- var constEnumDeclaration = type.symbol.valueDeclaration;
- if (constEnumDeclaration.flags & 8388608 /* Ambient */) {
- error(node, ts.Diagnostics.Cannot_access_ambient_const_enums_when_the_isolatedModules_flag_is_provided);
- }
- }
- }
- function checkParenthesizedExpression(node, checkMode) {
- var tag = ts.isInJSFile(node) ? ts.getJSDocTypeTag(node) : undefined;
- if (tag) {
- return checkAssertionWorker(tag, tag.typeExpression.type, node.expression, checkMode);
- }
- return checkExpression(node.expression, checkMode);
- }
- function checkExpressionWorker(node, checkMode, forceTuple) {
- var kind = node.kind;
- if (cancellationToken) {
- // Only bother checking on a few construct kinds. We don't want to be excessively
- // hitting the cancellation token on every node we check.
- switch (kind) {
- case 214 /* ClassExpression */:
- case 201 /* FunctionExpression */:
- case 202 /* ArrowFunction */:
- cancellationToken.throwIfCancellationRequested();
- }
- }
- switch (kind) {
- case 75 /* Identifier */:
- return checkIdentifier(node);
- case 104 /* ThisKeyword */:
- return checkThisExpression(node);
- case 102 /* SuperKeyword */:
- return checkSuperExpression(node);
- case 100 /* NullKeyword */:
- return nullWideningType;
- case 14 /* NoSubstitutionTemplateLiteral */:
- case 10 /* StringLiteral */:
- return getFreshTypeOfLiteralType(getLiteralType(node.text));
- case 8 /* NumericLiteral */:
- checkGrammarNumericLiteral(node);
- return getFreshTypeOfLiteralType(getLiteralType(+node.text));
- case 9 /* BigIntLiteral */:
- checkGrammarBigIntLiteral(node);
- return getFreshTypeOfLiteralType(getBigIntLiteralType(node));
- case 106 /* TrueKeyword */:
- return trueType;
- case 91 /* FalseKeyword */:
- return falseType;
- case 211 /* TemplateExpression */:
- return checkTemplateExpression(node);
- case 13 /* RegularExpressionLiteral */:
- return globalRegExpType;
- case 192 /* ArrayLiteralExpression */:
- return checkArrayLiteral(node, checkMode, forceTuple);
- case 193 /* ObjectLiteralExpression */:
- return checkObjectLiteral(node, checkMode);
- case 194 /* PropertyAccessExpression */:
- return checkPropertyAccessExpression(node);
- case 153 /* QualifiedName */:
- return checkQualifiedName(node);
- case 195 /* ElementAccessExpression */:
- return checkIndexedAccess(node);
- case 196 /* CallExpression */:
- if (node.expression.kind === 96 /* ImportKeyword */) {
- return checkImportCallExpression(node);
- }
- // falls through
- case 197 /* NewExpression */:
- return checkCallExpression(node, checkMode);
- case 198 /* TaggedTemplateExpression */:
- return checkTaggedTemplateExpression(node);
- case 200 /* ParenthesizedExpression */:
- return checkParenthesizedExpression(node, checkMode);
- case 214 /* ClassExpression */:
- return checkClassExpression(node);
- case 201 /* FunctionExpression */:
- case 202 /* ArrowFunction */:
- return checkFunctionExpressionOrObjectLiteralMethod(node, checkMode);
- case 204 /* TypeOfExpression */:
- return checkTypeOfExpression(node);
- case 199 /* TypeAssertionExpression */:
- case 217 /* AsExpression */:
- return checkAssertion(node);
- case 218 /* NonNullExpression */:
- return checkNonNullAssertion(node);
- case 219 /* MetaProperty */:
- return checkMetaProperty(node);
- case 203 /* DeleteExpression */:
- return checkDeleteExpression(node);
- case 205 /* VoidExpression */:
- return checkVoidExpression(node);
- case 206 /* AwaitExpression */:
- return checkAwaitExpression(node);
- case 207 /* PrefixUnaryExpression */:
- return checkPrefixUnaryExpression(node);
- case 208 /* PostfixUnaryExpression */:
- return checkPostfixUnaryExpression(node);
- case 209 /* BinaryExpression */:
- return checkBinaryExpression(node, checkMode);
- case 210 /* ConditionalExpression */:
- return checkConditionalExpression(node, checkMode);
- case 213 /* SpreadElement */:
- return checkSpreadExpression(node, checkMode);
- case 215 /* OmittedExpression */:
- return undefinedWideningType;
- case 212 /* YieldExpression */:
- return checkYieldExpression(node);
- case 220 /* SyntheticExpression */:
- return node.type;
- case 276 /* JsxExpression */:
- return checkJsxExpression(node, checkMode);
- case 266 /* JsxElement */:
- return checkJsxElement(node, checkMode);
- case 267 /* JsxSelfClosingElement */:
- return checkJsxSelfClosingElement(node, checkMode);
- case 270 /* JsxFragment */:
- return checkJsxFragment(node);
- case 274 /* JsxAttributes */:
- return checkJsxAttributes(node, checkMode);
- case 268 /* JsxOpeningElement */:
- ts.Debug.fail("Shouldn't ever directly check a JsxOpeningElement");
- }
- return errorType;
- }
- // DECLARATION AND STATEMENT TYPE CHECKING
- function checkTypeParameter(node) {
- // Grammar Checking
- if (node.expression) {
- grammarErrorOnFirstToken(node.expression, ts.Diagnostics.Type_expected);
- }
- checkSourceElement(node.constraint);
- checkSourceElement(node.default);
- var typeParameter = getDeclaredTypeOfTypeParameter(getSymbolOfNode(node));
- // Resolve base constraint to reveal circularity errors
- getBaseConstraintOfType(typeParameter);
- if (!hasNonCircularTypeParameterDefault(typeParameter)) {
- error(node.default, ts.Diagnostics.Type_parameter_0_has_a_circular_default, typeToString(typeParameter));
- }
- var constraintType = getConstraintOfTypeParameter(typeParameter);
- var defaultType = getDefaultFromTypeParameter(typeParameter);
- if (constraintType && defaultType) {
- checkTypeAssignableTo(defaultType, getTypeWithThisArgument(instantiateType(constraintType, makeUnaryTypeMapper(typeParameter, defaultType)), defaultType), node.default, ts.Diagnostics.Type_0_does_not_satisfy_the_constraint_1);
- }
- if (produceDiagnostics) {
- checkTypeNameIsReserved(node.name, ts.Diagnostics.Type_parameter_name_cannot_be_0);
- }
- }
- function checkParameter(node) {
- // Grammar checking
- // It is a SyntaxError if the Identifier "eval" or the Identifier "arguments" occurs as the
- // Identifier in a PropertySetParameterList of a PropertyAssignment that is contained in strict code
- // or if its FunctionBody is strict code(11.1.5).
- checkGrammarDecoratorsAndModifiers(node);
- checkVariableLikeDeclaration(node);
- var func = ts.getContainingFunction(node);
- if (ts.hasModifier(node, 92 /* ParameterPropertyModifier */)) {
- if (!(func.kind === 162 /* Constructor */ && ts.nodeIsPresent(func.body))) {
- error(node, ts.Diagnostics.A_parameter_property_is_only_allowed_in_a_constructor_implementation);
- }
- if (func.kind === 162 /* Constructor */ && ts.isIdentifier(node.name) && node.name.escapedText === "constructor") {
- error(node.name, ts.Diagnostics.constructor_cannot_be_used_as_a_parameter_property_name);
- }
- }
- if (node.questionToken && ts.isBindingPattern(node.name) && func.body) {
- error(node, ts.Diagnostics.A_binding_pattern_parameter_cannot_be_optional_in_an_implementation_signature);
- }
- if (node.name && ts.isIdentifier(node.name) && (node.name.escapedText === "this" || node.name.escapedText === "new")) {
- if (func.parameters.indexOf(node) !== 0) {
- error(node, ts.Diagnostics.A_0_parameter_must_be_the_first_parameter, node.name.escapedText);
- }
- if (func.kind === 162 /* Constructor */ || func.kind === 166 /* ConstructSignature */ || func.kind === 171 /* ConstructorType */) {
- error(node, ts.Diagnostics.A_constructor_cannot_have_a_this_parameter);
- }
- if (func.kind === 202 /* ArrowFunction */) {
- error(node, ts.Diagnostics.An_arrow_function_cannot_have_a_this_parameter);
- }
- if (func.kind === 163 /* GetAccessor */ || func.kind === 164 /* SetAccessor */) {
- error(node, ts.Diagnostics.get_and_set_accessors_cannot_declare_this_parameters);
- }
- }
- // Only check rest parameter type if it's not a binding pattern. Since binding patterns are
- // not allowed in a rest parameter, we already have an error from checkGrammarParameterList.
- if (node.dotDotDotToken && !ts.isBindingPattern(node.name) && !isTypeAssignableTo(getReducedType(getTypeOfSymbol(node.symbol)), anyReadonlyArrayType)) {
- error(node, ts.Diagnostics.A_rest_parameter_must_be_of_an_array_type);
- }
- }
- function checkTypePredicate(node) {
- var parent = getTypePredicateParent(node);
- if (!parent) {
- // The parent must not be valid.
- error(node, ts.Diagnostics.A_type_predicate_is_only_allowed_in_return_type_position_for_functions_and_methods);
- return;
- }
- var signature = getSignatureFromDeclaration(parent);
- var typePredicate = getTypePredicateOfSignature(signature);
- if (!typePredicate) {
- return;
- }
- checkSourceElement(node.type);
- var parameterName = node.parameterName;
- if (typePredicate.kind === 0 /* This */ || typePredicate.kind === 2 /* AssertsThis */) {
- getTypeFromThisTypeNode(parameterName);
- }
- else {
- if (typePredicate.parameterIndex >= 0) {
- if (signatureHasRestParameter(signature) && typePredicate.parameterIndex === signature.parameters.length - 1) {
- error(parameterName, ts.Diagnostics.A_type_predicate_cannot_reference_a_rest_parameter);
- }
- else {
- if (typePredicate.type) {
- var leadingError = function () { return ts.chainDiagnosticMessages(/*details*/ undefined, ts.Diagnostics.A_type_predicate_s_type_must_be_assignable_to_its_parameter_s_type); };
- checkTypeAssignableTo(typePredicate.type, getTypeOfSymbol(signature.parameters[typePredicate.parameterIndex]), node.type,
- /*headMessage*/ undefined, leadingError);
- }
- }
- }
- else if (parameterName) {
- var hasReportedError = false;
- for (var _i = 0, _a = parent.parameters; _i < _a.length; _i++) {
- var name = _a[_i].name;
- if (ts.isBindingPattern(name) &&
- checkIfTypePredicateVariableIsDeclaredInBindingPattern(name, parameterName, typePredicate.parameterName)) {
- hasReportedError = true;
- break;
- }
- }
- if (!hasReportedError) {
- error(node.parameterName, ts.Diagnostics.Cannot_find_parameter_0, typePredicate.parameterName);
- }
- }
- }
- }
- function getTypePredicateParent(node) {
- switch (node.parent.kind) {
- case 202 /* ArrowFunction */:
- case 165 /* CallSignature */:
- case 244 /* FunctionDeclaration */:
- case 201 /* FunctionExpression */:
- case 170 /* FunctionType */:
- case 161 /* MethodDeclaration */:
- case 160 /* MethodSignature */:
- var parent = node.parent;
- if (node === parent.type) {
- return parent;
- }
- }
- }
- function checkIfTypePredicateVariableIsDeclaredInBindingPattern(pattern, predicateVariableNode, predicateVariableName) {
- for (var _i = 0, _a = pattern.elements; _i < _a.length; _i++) {
- var element = _a[_i];
- if (ts.isOmittedExpression(element)) {
- continue;
- }
- var name = element.name;
- if (name.kind === 75 /* Identifier */ && name.escapedText === predicateVariableName) {
- error(predicateVariableNode, ts.Diagnostics.A_type_predicate_cannot_reference_element_0_in_a_binding_pattern, predicateVariableName);
- return true;
- }
- else if (name.kind === 190 /* ArrayBindingPattern */ || name.kind === 189 /* ObjectBindingPattern */) {
- if (checkIfTypePredicateVariableIsDeclaredInBindingPattern(name, predicateVariableNode, predicateVariableName)) {
- return true;
- }
- }
- }
- }
- function checkSignatureDeclaration(node) {
- // Grammar checking
- if (node.kind === 167 /* IndexSignature */) {
- checkGrammarIndexSignature(node);
- }
- // TODO (yuisu): Remove this check in else-if when SyntaxKind.Construct is moved and ambient context is handled
- else if (node.kind === 170 /* FunctionType */ || node.kind === 244 /* FunctionDeclaration */ || node.kind === 171 /* ConstructorType */ ||
- node.kind === 165 /* CallSignature */ || node.kind === 162 /* Constructor */ ||
- node.kind === 166 /* ConstructSignature */) {
- checkGrammarFunctionLikeDeclaration(node);
- }
- var functionFlags = ts.getFunctionFlags(node);
- if (!(functionFlags & 4 /* Invalid */)) {
- // Async generators prior to ESNext require the __await and __asyncGenerator helpers
- if ((functionFlags & 3 /* AsyncGenerator */) === 3 /* AsyncGenerator */ && languageVersion < 99 /* ESNext */) {
- checkExternalEmitHelpers(node, 12288 /* AsyncGeneratorIncludes */);
- }
- // Async functions prior to ES2017 require the __awaiter helper
- if ((functionFlags & 3 /* AsyncGenerator */) === 2 /* Async */ && languageVersion < 4 /* ES2017 */) {
- checkExternalEmitHelpers(node, 64 /* Awaiter */);
- }
- // Generator functions, Async functions, and Async Generator functions prior to
- // ES2015 require the __generator helper
- if ((functionFlags & 3 /* AsyncGenerator */) !== 0 /* Normal */ && languageVersion < 2 /* ES2015 */) {
- checkExternalEmitHelpers(node, 128 /* Generator */);
- }
- }
- checkTypeParameters(node.typeParameters);
- ts.forEach(node.parameters, checkParameter);
- // TODO(rbuckton): Should we start checking JSDoc types?
- if (node.type) {
- checkSourceElement(node.type);
- }
- if (produceDiagnostics) {
- checkCollisionWithArgumentsInGeneratedCode(node);
- var returnTypeNode = ts.getEffectiveReturnTypeNode(node);
- if (noImplicitAny && !returnTypeNode) {
- switch (node.kind) {
- case 166 /* ConstructSignature */:
- error(node, ts.Diagnostics.Construct_signature_which_lacks_return_type_annotation_implicitly_has_an_any_return_type);
- break;
- case 165 /* CallSignature */:
- error(node, ts.Diagnostics.Call_signature_which_lacks_return_type_annotation_implicitly_has_an_any_return_type);
- break;
- }
- }
- if (returnTypeNode) {
- var functionFlags_1 = ts.getFunctionFlags(node);
- if ((functionFlags_1 & (4 /* Invalid */ | 1 /* Generator */)) === 1 /* Generator */) {
- var returnType = getTypeFromTypeNode(returnTypeNode);
- if (returnType === voidType) {
- error(returnTypeNode, ts.Diagnostics.A_generator_cannot_have_a_void_type_annotation);
- }
- else {
- // Naively, one could check that Generator<any, any, any> is assignable to the return type annotation.
- // However, that would not catch the error in the following case.
- //
- // interface BadGenerator extends Iterable<number>, Iterator<string> { }
- // function* g(): BadGenerator { } // Iterable and Iterator have different types!
- //
- var generatorYieldType = getIterationTypeOfGeneratorFunctionReturnType(0 /* Yield */, returnType, (functionFlags_1 & 2 /* Async */) !== 0) || anyType;
- var generatorReturnType = getIterationTypeOfGeneratorFunctionReturnType(1 /* Return */, returnType, (functionFlags_1 & 2 /* Async */) !== 0) || generatorYieldType;
- var generatorNextType = getIterationTypeOfGeneratorFunctionReturnType(2 /* Next */, returnType, (functionFlags_1 & 2 /* Async */) !== 0) || unknownType;
- var generatorInstantiation = createGeneratorReturnType(generatorYieldType, generatorReturnType, generatorNextType, !!(functionFlags_1 & 2 /* Async */));
- checkTypeAssignableTo(generatorInstantiation, returnType, returnTypeNode);
- }
- }
- else if ((functionFlags_1 & 3 /* AsyncGenerator */) === 2 /* Async */) {
- checkAsyncFunctionReturnType(node, returnTypeNode);
- }
- }
- if (node.kind !== 167 /* IndexSignature */ && node.kind !== 300 /* JSDocFunctionType */) {
- registerForUnusedIdentifiersCheck(node);
- }
- }
- }
- function checkClassForDuplicateDeclarations(node) {
- var instanceNames = ts.createUnderscoreEscapedMap();
- var staticNames = ts.createUnderscoreEscapedMap();
- // instance and static private identifiers share the same scope
- var privateIdentifiers = ts.createUnderscoreEscapedMap();
- for (var _i = 0, _a = node.members; _i < _a.length; _i++) {
- var member = _a[_i];
- if (member.kind === 162 /* Constructor */) {
- for (var _b = 0, _c = member.parameters; _b < _c.length; _b++) {
- var param = _c[_b];
- if (ts.isParameterPropertyDeclaration(param, member) && !ts.isBindingPattern(param.name)) {
- addName(instanceNames, param.name, param.name.escapedText, 3 /* GetOrSetAccessor */);
- }
- }
- }
- else {
- var isStatic = ts.hasModifier(member, 32 /* Static */);
- var name = member.name;
- if (!name) {
- return;
- }
- var names = ts.isPrivateIdentifier(name) ? privateIdentifiers :
- isStatic ? staticNames :
- instanceNames;
- var memberName = name && ts.getPropertyNameForPropertyNameNode(name);
- if (memberName) {
- switch (member.kind) {
- case 163 /* GetAccessor */:
- addName(names, name, memberName, 1 /* GetAccessor */);
- break;
- case 164 /* SetAccessor */:
- addName(names, name, memberName, 2 /* SetAccessor */);
- break;
- case 159 /* PropertyDeclaration */:
- addName(names, name, memberName, 3 /* GetOrSetAccessor */);
- break;
- case 161 /* MethodDeclaration */:
- addName(names, name, memberName, 8 /* Method */);
- break;
- }
- }
- }
- }
- function addName(names, location, name, meaning) {
- var prev = names.get(name);
- if (prev) {
- if (prev & 8 /* Method */) {
- if (meaning !== 8 /* Method */) {
- error(location, ts.Diagnostics.Duplicate_identifier_0, ts.getTextOfNode(location));
- }
- }
- else if (prev & meaning) {
- error(location, ts.Diagnostics.Duplicate_identifier_0, ts.getTextOfNode(location));
- }
- else {
- names.set(name, prev | meaning);
- }
- }
- else {
- names.set(name, meaning);
- }
- }
- }
- /**
- * Static members being set on a constructor function may conflict with built-in properties
- * of Function. Esp. in ECMAScript 5 there are non-configurable and non-writable
- * built-in properties. This check issues a transpile error when a class has a static
- * member with the same name as a non-writable built-in property.
- *
- * @see http://www.ecma-international.org/ecma-262/5.1/#sec-15.3.3
- * @see http://www.ecma-international.org/ecma-262/5.1/#sec-15.3.5
- * @see http://www.ecma-international.org/ecma-262/6.0/#sec-properties-of-the-function-constructor
- * @see http://www.ecma-international.org/ecma-262/6.0/#sec-function-instances
- */
- function checkClassForStaticPropertyNameConflicts(node) {
- for (var _i = 0, _a = node.members; _i < _a.length; _i++) {
- var member = _a[_i];
- var memberNameNode = member.name;
- var isStatic = ts.hasModifier(member, 32 /* Static */);
- if (isStatic && memberNameNode) {
- var memberName = ts.getPropertyNameForPropertyNameNode(memberNameNode);
- switch (memberName) {
- case "name":
- case "length":
- case "caller":
- case "arguments":
- case "prototype":
- var message = ts.Diagnostics.Static_property_0_conflicts_with_built_in_property_Function_0_of_constructor_function_1;
- var className = getNameOfSymbolAsWritten(getSymbolOfNode(node));
- error(memberNameNode, message, memberName, className);
- break;
- }
- }
- }
- }
- function checkObjectTypeForDuplicateDeclarations(node) {
- var names = ts.createMap();
- for (var _i = 0, _a = node.members; _i < _a.length; _i++) {
- var member = _a[_i];
- if (member.kind === 158 /* PropertySignature */) {
- var memberName = void 0;
- var name = member.name;
- switch (name.kind) {
- case 10 /* StringLiteral */:
- case 8 /* NumericLiteral */:
- memberName = name.text;
- break;
- case 75 /* Identifier */:
- memberName = ts.idText(name);
- break;
- default:
- continue;
- }
- if (names.get(memberName)) {
- error(ts.getNameOfDeclaration(member.symbol.valueDeclaration), ts.Diagnostics.Duplicate_identifier_0, memberName);
- error(member.name, ts.Diagnostics.Duplicate_identifier_0, memberName);
- }
- else {
- names.set(memberName, true);
- }
- }
- }
- }
- function checkTypeForDuplicateIndexSignatures(node) {
- if (node.kind === 246 /* InterfaceDeclaration */) {
- var nodeSymbol = getSymbolOfNode(node);
- // in case of merging interface declaration it is possible that we'll enter this check procedure several times for every declaration
- // to prevent this run check only for the first declaration of a given kind
- if (nodeSymbol.declarations.length > 0 && nodeSymbol.declarations[0] !== node) {
- return;
- }
- }
- // TypeScript 1.0 spec (April 2014)
- // 3.7.4: An object type can contain at most one string index signature and one numeric index signature.
- // 8.5: A class declaration can have at most one string index member declaration and one numeric index member declaration
- var indexSymbol = getIndexSymbol(getSymbolOfNode(node));
- if (indexSymbol) {
- var seenNumericIndexer = false;
- var seenStringIndexer = false;
- for (var _i = 0, _a = indexSymbol.declarations; _i < _a.length; _i++) {
- var decl = _a[_i];
- var declaration = decl;
- if (declaration.parameters.length === 1 && declaration.parameters[0].type) {
- switch (declaration.parameters[0].type.kind) {
- case 143 /* StringKeyword */:
- if (!seenStringIndexer) {
- seenStringIndexer = true;
- }
- else {
- error(declaration, ts.Diagnostics.Duplicate_string_index_signature);
- }
- break;
- case 140 /* NumberKeyword */:
- if (!seenNumericIndexer) {
- seenNumericIndexer = true;
- }
- else {
- error(declaration, ts.Diagnostics.Duplicate_number_index_signature);
- }
- break;
- }
- }
- }
- }
- }
- function checkPropertyDeclaration(node) {
- // Grammar checking
- if (!checkGrammarDecoratorsAndModifiers(node) && !checkGrammarProperty(node))
- checkGrammarComputedPropertyName(node.name);
- checkVariableLikeDeclaration(node);
- // Private class fields transformation relies on WeakMaps.
- if (ts.isPrivateIdentifier(node.name) && languageVersion < 99 /* ESNext */) {
- for (var lexicalScope = ts.getEnclosingBlockScopeContainer(node); !!lexicalScope; lexicalScope = ts.getEnclosingBlockScopeContainer(lexicalScope)) {
- getNodeLinks(lexicalScope).flags |= 67108864 /* ContainsClassWithPrivateIdentifiers */;
- }
- }
- }
- function checkPropertySignature(node) {
- if (ts.isPrivateIdentifier(node.name)) {
- error(node, ts.Diagnostics.Private_identifiers_are_not_allowed_outside_class_bodies);
- }
- return checkPropertyDeclaration(node);
- }
- function checkMethodDeclaration(node) {
- // Grammar checking
- if (!checkGrammarMethod(node))
- checkGrammarComputedPropertyName(node.name);
- if (ts.isPrivateIdentifier(node.name)) {
- error(node, ts.Diagnostics.A_method_cannot_be_named_with_a_private_identifier);
- }
- // Grammar checking for modifiers is done inside the function checkGrammarFunctionLikeDeclaration
- checkFunctionOrMethodDeclaration(node);
- // Abstract methods cannot have an implementation.
- // Extra checks are to avoid reporting multiple errors relating to the "abstractness" of the node.
- if (ts.hasModifier(node, 128 /* Abstract */) && node.kind === 161 /* MethodDeclaration */ && node.body) {
- error(node, ts.Diagnostics.Method_0_cannot_have_an_implementation_because_it_is_marked_abstract, ts.declarationNameToString(node.name));
- }
- }
- function checkConstructorDeclaration(node) {
- // Grammar check on signature of constructor and modifier of the constructor is done in checkSignatureDeclaration function.
- checkSignatureDeclaration(node);
- // Grammar check for checking only related to constructorDeclaration
- if (!checkGrammarConstructorTypeParameters(node))
- checkGrammarConstructorTypeAnnotation(node);
- checkSourceElement(node.body);
- var symbol = getSymbolOfNode(node);
- var firstDeclaration = ts.getDeclarationOfKind(symbol, node.kind);
- // Only type check the symbol once
- if (node === firstDeclaration) {
- checkFunctionOrConstructorSymbol(symbol);
- }
- // exit early in the case of signature - super checks are not relevant to them
- if (ts.nodeIsMissing(node.body)) {
- return;
- }
- if (!produceDiagnostics) {
- return;
- }
- function isInstancePropertyWithInitializerOrPrivateIdentifierProperty(n) {
- if (ts.isPrivateIdentifierPropertyDeclaration(n)) {
- return true;
- }
- return n.kind === 159 /* PropertyDeclaration */ &&
- !ts.hasModifier(n, 32 /* Static */) &&
- !!n.initializer;
- }
- // TS 1.0 spec (April 2014): 8.3.2
- // Constructors of classes with no extends clause may not contain super calls, whereas
- // constructors of derived classes must contain at least one super call somewhere in their function body.
- var containingClassDecl = node.parent;
- if (ts.getClassExtendsHeritageElement(containingClassDecl)) {
- captureLexicalThis(node.parent, containingClassDecl);
- var classExtendsNull = classDeclarationExtendsNull(containingClassDecl);
- var superCall = getSuperCallInConstructor(node);
- if (superCall) {
- if (classExtendsNull) {
- error(superCall, ts.Diagnostics.A_constructor_cannot_contain_a_super_call_when_its_class_extends_null);
- }
- // The first statement in the body of a constructor (excluding prologue directives) must be a super call
- // if both of the following are true:
- // - The containing class is a derived class.
- // - The constructor declares parameter properties
- // or the containing class declares instance member variables with initializers.
- var superCallShouldBeFirst = (compilerOptions.target !== 99 /* ESNext */ || !compilerOptions.useDefineForClassFields) &&
- (ts.some(node.parent.members, isInstancePropertyWithInitializerOrPrivateIdentifierProperty) ||
- ts.some(node.parameters, function (p) { return ts.hasModifier(p, 92 /* ParameterPropertyModifier */); }));
- // Skip past any prologue directives to find the first statement
- // to ensure that it was a super call.
- if (superCallShouldBeFirst) {
- var statements = node.body.statements;
- var superCallStatement = void 0;
- for (var _i = 0, statements_3 = statements; _i < statements_3.length; _i++) {
- var statement = statements_3[_i];
- if (statement.kind === 226 /* ExpressionStatement */ && ts.isSuperCall(statement.expression)) {
- superCallStatement = statement;
- break;
- }
- if (!ts.isPrologueDirective(statement)) {
- break;
- }
- }
- if (!superCallStatement) {
- error(node, ts.Diagnostics.A_super_call_must_be_the_first_statement_in_the_constructor_when_a_class_contains_initialized_properties_parameter_properties_or_private_identifiers);
- }
- }
- }
- else if (!classExtendsNull) {
- error(node, ts.Diagnostics.Constructors_for_derived_classes_must_contain_a_super_call);
- }
- }
- }
- function checkAccessorDeclaration(node) {
- if (produceDiagnostics) {
- // Grammar checking accessors
- if (!checkGrammarFunctionLikeDeclaration(node) && !checkGrammarAccessor(node))
- checkGrammarComputedPropertyName(node.name);
- checkDecorators(node);
- checkSignatureDeclaration(node);
- if (node.kind === 163 /* GetAccessor */) {
- if (!(node.flags & 8388608 /* Ambient */) && ts.nodeIsPresent(node.body) && (node.flags & 256 /* HasImplicitReturn */)) {
- if (!(node.flags & 512 /* HasExplicitReturn */)) {
- error(node.name, ts.Diagnostics.A_get_accessor_must_return_a_value);
- }
- }
- }
- // Do not use hasDynamicName here, because that returns false for well known symbols.
- // We want to perform checkComputedPropertyName for all computed properties, including
- // well known symbols.
- if (node.name.kind === 154 /* ComputedPropertyName */) {
- checkComputedPropertyName(node.name);
- }
- if (ts.isPrivateIdentifier(node.name)) {
- error(node.name, ts.Diagnostics.An_accessor_cannot_be_named_with_a_private_identifier);
- }
- if (!hasNonBindableDynamicName(node)) {
- // TypeScript 1.0 spec (April 2014): 8.4.3
- // Accessors for the same member name must specify the same accessibility.
- var otherKind = node.kind === 163 /* GetAccessor */ ? 164 /* SetAccessor */ : 163 /* GetAccessor */;
- var otherAccessor = ts.getDeclarationOfKind(getSymbolOfNode(node), otherKind);
- if (otherAccessor) {
- var nodeFlags = ts.getModifierFlags(node);
- var otherFlags = ts.getModifierFlags(otherAccessor);
- if ((nodeFlags & 28 /* AccessibilityModifier */) !== (otherFlags & 28 /* AccessibilityModifier */)) {
- error(node.name, ts.Diagnostics.Getter_and_setter_accessors_do_not_agree_in_visibility);
- }
- if ((nodeFlags & 128 /* Abstract */) !== (otherFlags & 128 /* Abstract */)) {
- error(node.name, ts.Diagnostics.Accessors_must_both_be_abstract_or_non_abstract);
- }
- // TypeScript 1.0 spec (April 2014): 4.5
- // If both accessors include type annotations, the specified types must be identical.
- checkAccessorDeclarationTypesIdentical(node, otherAccessor, getAnnotatedAccessorType, ts.Diagnostics.get_and_set_accessor_must_have_the_same_type);
- checkAccessorDeclarationTypesIdentical(node, otherAccessor, getThisTypeOfDeclaration, ts.Diagnostics.get_and_set_accessor_must_have_the_same_this_type);
- }
- }
- var returnType = getTypeOfAccessors(getSymbolOfNode(node));
- if (node.kind === 163 /* GetAccessor */) {
- checkAllCodePathsInNonVoidFunctionReturnOrThrow(node, returnType);
- }
- }
- checkSourceElement(node.body);
- }
- function checkAccessorDeclarationTypesIdentical(first, second, getAnnotatedType, message) {
- var firstType = getAnnotatedType(first);
- var secondType = getAnnotatedType(second);
- if (firstType && secondType && !isTypeIdenticalTo(firstType, secondType)) {
- error(first, message);
- }
- }
- function checkMissingDeclaration(node) {
- checkDecorators(node);
- }
- function getEffectiveTypeArguments(node, typeParameters) {
- return fillMissingTypeArguments(ts.map(node.typeArguments, getTypeFromTypeNode), typeParameters, getMinTypeArgumentCount(typeParameters), ts.isInJSFile(node));
- }
- function checkTypeArgumentConstraints(node, typeParameters) {
- var typeArguments;
- var mapper;
- var result = true;
- for (var i = 0; i < typeParameters.length; i++) {
- var constraint = getConstraintOfTypeParameter(typeParameters[i]);
- if (constraint) {
- if (!typeArguments) {
- typeArguments = getEffectiveTypeArguments(node, typeParameters);
- mapper = createTypeMapper(typeParameters, typeArguments);
- }
- result = result && checkTypeAssignableTo(typeArguments[i], instantiateType(constraint, mapper), node.typeArguments[i], ts.Diagnostics.Type_0_does_not_satisfy_the_constraint_1);
- }
- }
- return result;
- }
- function getTypeParametersForTypeReference(node) {
- var type = getTypeFromTypeReference(node);
- if (type !== errorType) {
- var symbol = getNodeLinks(node).resolvedSymbol;
- if (symbol) {
- return symbol.flags & 524288 /* TypeAlias */ && getSymbolLinks(symbol).typeParameters ||
- (ts.getObjectFlags(type) & 4 /* Reference */ ? type.target.localTypeParameters : undefined);
- }
- }
- return undefined;
- }
- function checkTypeReferenceNode(node) {
- checkGrammarTypeArguments(node, node.typeArguments);
- if (node.kind === 169 /* TypeReference */ && node.typeName.jsdocDotPos !== undefined && !ts.isInJSFile(node) && !ts.isInJSDoc(node)) {
- grammarErrorAtPos(node, node.typeName.jsdocDotPos, 1, ts.Diagnostics.JSDoc_types_can_only_be_used_inside_documentation_comments);
- }
- ts.forEach(node.typeArguments, checkSourceElement);
- var type = getTypeFromTypeReference(node);
- if (type !== errorType) {
- if (node.typeArguments && produceDiagnostics) {
- var typeParameters = getTypeParametersForTypeReference(node);
- if (typeParameters) {
- checkTypeArgumentConstraints(node, typeParameters);
- }
- }
- if (type.flags & 32 /* Enum */ && getNodeLinks(node).resolvedSymbol.flags & 8 /* EnumMember */) {
- error(node, ts.Diagnostics.Enum_type_0_has_members_with_initializers_that_are_not_literals, typeToString(type));
- }
- }
- }
- function getTypeArgumentConstraint(node) {
- var typeReferenceNode = ts.tryCast(node.parent, ts.isTypeReferenceType);
- if (!typeReferenceNode)
- return undefined;
- var typeParameters = getTypeParametersForTypeReference(typeReferenceNode); // TODO: GH#18217
- var constraint = getConstraintOfTypeParameter(typeParameters[typeReferenceNode.typeArguments.indexOf(node)]);
- return constraint && instantiateType(constraint, createTypeMapper(typeParameters, getEffectiveTypeArguments(typeReferenceNode, typeParameters)));
- }
- function checkTypeQuery(node) {
- getTypeFromTypeQueryNode(node);
- }
- function checkTypeLiteral(node) {
- ts.forEach(node.members, checkSourceElement);
- if (produceDiagnostics) {
- var type = getTypeFromTypeLiteralOrFunctionOrConstructorTypeNode(node);
- checkIndexConstraints(type);
- checkTypeForDuplicateIndexSignatures(node);
- checkObjectTypeForDuplicateDeclarations(node);
- }
- }
- function checkArrayType(node) {
- checkSourceElement(node.elementType);
- }
- function checkTupleType(node) {
- var elementTypes = node.elementTypes;
- var seenOptionalElement = false;
- for (var i = 0; i < elementTypes.length; i++) {
- var e = elementTypes[i];
- if (e.kind === 177 /* RestType */) {
- if (i !== elementTypes.length - 1) {
- grammarErrorOnNode(e, ts.Diagnostics.A_rest_element_must_be_last_in_a_tuple_type);
- break;
- }
- if (!isArrayType(getTypeFromTypeNode(e.type))) {
- error(e, ts.Diagnostics.A_rest_element_type_must_be_an_array_type);
- }
- }
- else if (e.kind === 176 /* OptionalType */) {
- seenOptionalElement = true;
- }
- else if (seenOptionalElement) {
- grammarErrorOnNode(e, ts.Diagnostics.A_required_element_cannot_follow_an_optional_element);
- break;
- }
- }
- ts.forEach(node.elementTypes, checkSourceElement);
- }
- function checkUnionOrIntersectionType(node) {
- ts.forEach(node.types, checkSourceElement);
- }
- function checkIndexedAccessIndexType(type, accessNode) {
- if (!(type.flags & 8388608 /* IndexedAccess */)) {
- return type;
- }
- // Check if the index type is assignable to 'keyof T' for the object type.
- var objectType = type.objectType;
- var indexType = type.indexType;
- if (isTypeAssignableTo(indexType, getIndexType(objectType, /*stringsOnly*/ false))) {
- if (accessNode.kind === 195 /* ElementAccessExpression */ && ts.isAssignmentTarget(accessNode) &&
- ts.getObjectFlags(objectType) & 32 /* Mapped */ && getMappedTypeModifiers(objectType) & 1 /* IncludeReadonly */) {
- error(accessNode, ts.Diagnostics.Index_signature_in_type_0_only_permits_reading, typeToString(objectType));
- }
- return type;
- }
- // Check if we're indexing with a numeric type and if either object or index types
- // is a generic type with a constraint that has a numeric index signature.
- var apparentObjectType = getApparentType(objectType);
- if (getIndexInfoOfType(apparentObjectType, 1 /* Number */) && isTypeAssignableToKind(indexType, 296 /* NumberLike */)) {
- return type;
- }
- if (isGenericObjectType(objectType)) {
- var propertyName_1 = getPropertyNameFromIndex(indexType, accessNode);
- if (propertyName_1) {
- var propertySymbol = forEachType(apparentObjectType, function (t) { return getPropertyOfType(t, propertyName_1); });
- if (propertySymbol && ts.getDeclarationModifierFlagsFromSymbol(propertySymbol) & 24 /* NonPublicAccessibilityModifier */) {
- error(accessNode, ts.Diagnostics.Private_or_protected_member_0_cannot_be_accessed_on_a_type_parameter, ts.unescapeLeadingUnderscores(propertyName_1));
- return errorType;
- }
- }
- }
- error(accessNode, ts.Diagnostics.Type_0_cannot_be_used_to_index_type_1, typeToString(indexType), typeToString(objectType));
- return errorType;
- }
- function checkIndexedAccessType(node) {
- checkSourceElement(node.objectType);
- checkSourceElement(node.indexType);
- checkIndexedAccessIndexType(getTypeFromIndexedAccessTypeNode(node), node);
- }
- function checkMappedType(node) {
- checkSourceElement(node.typeParameter);
- checkSourceElement(node.type);
- if (!node.type) {
- reportImplicitAny(node, anyType);
- }
- var type = getTypeFromMappedTypeNode(node);
- var constraintType = getConstraintTypeFromMappedType(type);
- checkTypeAssignableTo(constraintType, keyofConstraintType, ts.getEffectiveConstraintOfTypeParameter(node.typeParameter));
- }
- function checkThisType(node) {
- getTypeFromThisTypeNode(node);
- }
- function checkTypeOperator(node) {
- checkGrammarTypeOperatorNode(node);
- checkSourceElement(node.type);
- }
- function checkConditionalType(node) {
- ts.forEachChild(node, checkSourceElement);
- }
- function checkInferType(node) {
- if (!ts.findAncestor(node, function (n) { return n.parent && n.parent.kind === 180 /* ConditionalType */ && n.parent.extendsType === n; })) {
- grammarErrorOnNode(node, ts.Diagnostics.infer_declarations_are_only_permitted_in_the_extends_clause_of_a_conditional_type);
- }
- checkSourceElement(node.typeParameter);
- registerForUnusedIdentifiersCheck(node);
- }
- function checkImportType(node) {
- checkSourceElement(node.argument);
- getTypeFromTypeNode(node);
- }
- function isPrivateWithinAmbient(node) {
- return (ts.hasModifier(node, 8 /* Private */) || ts.isPrivateIdentifierPropertyDeclaration(node)) && !!(node.flags & 8388608 /* Ambient */);
- }
- function getEffectiveDeclarationFlags(n, flagsToCheck) {
- var flags = ts.getCombinedModifierFlags(n);
- // children of classes (even ambient classes) should not be marked as ambient or export
- // because those flags have no useful semantics there.
- if (n.parent.kind !== 246 /* InterfaceDeclaration */ &&
- n.parent.kind !== 245 /* ClassDeclaration */ &&
- n.parent.kind !== 214 /* ClassExpression */ &&
- n.flags & 8388608 /* Ambient */) {
- if (!(flags & 2 /* Ambient */) && !(ts.isModuleBlock(n.parent) && ts.isModuleDeclaration(n.parent.parent) && ts.isGlobalScopeAugmentation(n.parent.parent))) {
- // It is nested in an ambient context, which means it is automatically exported
- flags |= 1 /* Export */;
- }
- flags |= 2 /* Ambient */;
- }
- return flags & flagsToCheck;
- }
- function checkFunctionOrConstructorSymbol(symbol) {
- if (!produceDiagnostics) {
- return;
- }
- function getCanonicalOverload(overloads, implementation) {
- // Consider the canonical set of flags to be the flags of the bodyDeclaration or the first declaration
- // Error on all deviations from this canonical set of flags
- // The caveat is that if some overloads are defined in lib.d.ts, we don't want to
- // report the errors on those. To achieve this, we will say that the implementation is
- // the canonical signature only if it is in the same container as the first overload
- var implementationSharesContainerWithFirstOverload = implementation !== undefined && implementation.parent === overloads[0].parent;
- return implementationSharesContainerWithFirstOverload ? implementation : overloads[0];
- }
- function checkFlagAgreementBetweenOverloads(overloads, implementation, flagsToCheck, someOverloadFlags, allOverloadFlags) {
- // Error if some overloads have a flag that is not shared by all overloads. To find the
- // deviations, we XOR someOverloadFlags with allOverloadFlags
- var someButNotAllOverloadFlags = someOverloadFlags ^ allOverloadFlags;
- if (someButNotAllOverloadFlags !== 0) {
- var canonicalFlags_1 = getEffectiveDeclarationFlags(getCanonicalOverload(overloads, implementation), flagsToCheck);
- ts.forEach(overloads, function (o) {
- var deviation = getEffectiveDeclarationFlags(o, flagsToCheck) ^ canonicalFlags_1;
- if (deviation & 1 /* Export */) {
- error(ts.getNameOfDeclaration(o), ts.Diagnostics.Overload_signatures_must_all_be_exported_or_non_exported);
- }
- else if (deviation & 2 /* Ambient */) {
- error(ts.getNameOfDeclaration(o), ts.Diagnostics.Overload_signatures_must_all_be_ambient_or_non_ambient);
- }
- else if (deviation & (8 /* Private */ | 16 /* Protected */)) {
- error(ts.getNameOfDeclaration(o) || o, ts.Diagnostics.Overload_signatures_must_all_be_public_private_or_protected);
- }
- else if (deviation & 128 /* Abstract */) {
- error(ts.getNameOfDeclaration(o), ts.Diagnostics.Overload_signatures_must_all_be_abstract_or_non_abstract);
- }
- });
- }
- }
- function checkQuestionTokenAgreementBetweenOverloads(overloads, implementation, someHaveQuestionToken, allHaveQuestionToken) {
- if (someHaveQuestionToken !== allHaveQuestionToken) {
- var canonicalHasQuestionToken_1 = ts.hasQuestionToken(getCanonicalOverload(overloads, implementation));
- ts.forEach(overloads, function (o) {
- var deviation = ts.hasQuestionToken(o) !== canonicalHasQuestionToken_1;
- if (deviation) {
- error(ts.getNameOfDeclaration(o), ts.Diagnostics.Overload_signatures_must_all_be_optional_or_required);
- }
- });
- }
- }
- var flagsToCheck = 1 /* Export */ | 2 /* Ambient */ | 8 /* Private */ | 16 /* Protected */ | 128 /* Abstract */;
- var someNodeFlags = 0 /* None */;
- var allNodeFlags = flagsToCheck;
- var someHaveQuestionToken = false;
- var allHaveQuestionToken = true;
- var hasOverloads = false;
- var bodyDeclaration;
- var lastSeenNonAmbientDeclaration;
- var previousDeclaration;
- var declarations = symbol.declarations;
- var isConstructor = (symbol.flags & 16384 /* Constructor */) !== 0;
- function reportImplementationExpectedError(node) {
- if (node.name && ts.nodeIsMissing(node.name)) {
- return;
- }
- var seen = false;
- var subsequentNode = ts.forEachChild(node.parent, function (c) {
- if (seen) {
- return c;
- }
- else {
- seen = c === node;
- }
- });
- // We may be here because of some extra nodes between overloads that could not be parsed into a valid node.
- // In this case the subsequent node is not really consecutive (.pos !== node.end), and we must ignore it here.
- if (subsequentNode && subsequentNode.pos === node.end) {
- if (subsequentNode.kind === node.kind) {
- var errorNode_1 = subsequentNode.name || subsequentNode;
- var subsequentName = subsequentNode.name;
- if (node.name && subsequentName && (
- // both are private identifiers
- ts.isPrivateIdentifier(node.name) && ts.isPrivateIdentifier(subsequentName) && node.name.escapedText === subsequentName.escapedText ||
- // Both are computed property names
- // TODO: GH#17345: These are methods, so handle computed name case. (`Always allowing computed property names is *not* the correct behavior!)
- ts.isComputedPropertyName(node.name) && ts.isComputedPropertyName(subsequentName) ||
- // Both are literal property names that are the same.
- ts.isPropertyNameLiteral(node.name) && ts.isPropertyNameLiteral(subsequentName) &&
- ts.getEscapedTextOfIdentifierOrLiteral(node.name) === ts.getEscapedTextOfIdentifierOrLiteral(subsequentName))) {
- var reportError = (node.kind === 161 /* MethodDeclaration */ || node.kind === 160 /* MethodSignature */) &&
- ts.hasModifier(node, 32 /* Static */) !== ts.hasModifier(subsequentNode, 32 /* Static */);
- // we can get here in two cases
- // 1. mixed static and instance class members
- // 2. something with the same name was defined before the set of overloads that prevents them from merging
- // here we'll report error only for the first case since for second we should already report error in binder
- if (reportError) {
- var diagnostic = ts.hasModifier(node, 32 /* Static */) ? ts.Diagnostics.Function_overload_must_be_static : ts.Diagnostics.Function_overload_must_not_be_static;
- error(errorNode_1, diagnostic);
- }
- return;
- }
- if (ts.nodeIsPresent(subsequentNode.body)) {
- error(errorNode_1, ts.Diagnostics.Function_implementation_name_must_be_0, ts.declarationNameToString(node.name));
- return;
- }
- }
- }
- var errorNode = node.name || node;
- if (isConstructor) {
- error(errorNode, ts.Diagnostics.Constructor_implementation_is_missing);
- }
- else {
- // Report different errors regarding non-consecutive blocks of declarations depending on whether
- // the node in question is abstract.
- if (ts.hasModifier(node, 128 /* Abstract */)) {
- error(errorNode, ts.Diagnostics.All_declarations_of_an_abstract_method_must_be_consecutive);
- }
- else {
- error(errorNode, ts.Diagnostics.Function_implementation_is_missing_or_not_immediately_following_the_declaration);
- }
- }
- }
- var duplicateFunctionDeclaration = false;
- var multipleConstructorImplementation = false;
- var hasNonAmbientClass = false;
- for (var _i = 0, declarations_4 = declarations; _i < declarations_4.length; _i++) {
- var current = declarations_4[_i];
- var node = current;
- var inAmbientContext = node.flags & 8388608 /* Ambient */;
- var inAmbientContextOrInterface = node.parent.kind === 246 /* InterfaceDeclaration */ || node.parent.kind === 173 /* TypeLiteral */ || inAmbientContext;
- if (inAmbientContextOrInterface) {
- // check if declarations are consecutive only if they are non-ambient
- // 1. ambient declarations can be interleaved
- // i.e. this is legal
- // declare function foo();
- // declare function bar();
- // declare function foo();
- // 2. mixing ambient and non-ambient declarations is a separate error that will be reported - do not want to report an extra one
- previousDeclaration = undefined;
- }
- if ((node.kind === 245 /* ClassDeclaration */ || node.kind === 214 /* ClassExpression */) && !inAmbientContext) {
- hasNonAmbientClass = true;
- }
- if (node.kind === 244 /* FunctionDeclaration */ || node.kind === 161 /* MethodDeclaration */ || node.kind === 160 /* MethodSignature */ || node.kind === 162 /* Constructor */) {
- var currentNodeFlags = getEffectiveDeclarationFlags(node, flagsToCheck);
- someNodeFlags |= currentNodeFlags;
- allNodeFlags &= currentNodeFlags;
- someHaveQuestionToken = someHaveQuestionToken || ts.hasQuestionToken(node);
- allHaveQuestionToken = allHaveQuestionToken && ts.hasQuestionToken(node);
- if (ts.nodeIsPresent(node.body) && bodyDeclaration) {
- if (isConstructor) {
- multipleConstructorImplementation = true;
- }
- else {
- duplicateFunctionDeclaration = true;
- }
- }
- else if (previousDeclaration && previousDeclaration.parent === node.parent && previousDeclaration.end !== node.pos) {
- reportImplementationExpectedError(previousDeclaration);
- }
- if (ts.nodeIsPresent(node.body)) {
- if (!bodyDeclaration) {
- bodyDeclaration = node;
- }
- }
- else {
- hasOverloads = true;
- }
- previousDeclaration = node;
- if (!inAmbientContextOrInterface) {
- lastSeenNonAmbientDeclaration = node;
- }
- }
- }
- if (multipleConstructorImplementation) {
- ts.forEach(declarations, function (declaration) {
- error(declaration, ts.Diagnostics.Multiple_constructor_implementations_are_not_allowed);
- });
- }
- if (duplicateFunctionDeclaration) {
- ts.forEach(declarations, function (declaration) {
- error(ts.getNameOfDeclaration(declaration), ts.Diagnostics.Duplicate_function_implementation);
- });
- }
- if (hasNonAmbientClass && !isConstructor && symbol.flags & 16 /* Function */) {
- // A non-ambient class cannot be an implementation for a non-constructor function/class merge
- // TODO: The below just replicates our older error from when classes and functions were
- // entirely unable to merge - a more helpful message like "Class declaration cannot implement overload list"
- // might be warranted. :shrug:
- ts.forEach(declarations, function (declaration) {
- addDuplicateDeclarationError(declaration, ts.Diagnostics.Duplicate_identifier_0, ts.symbolName(symbol), declarations);
- });
- }
- // Abstract methods can't have an implementation -- in particular, they don't need one.
- if (lastSeenNonAmbientDeclaration && !lastSeenNonAmbientDeclaration.body &&
- !ts.hasModifier(lastSeenNonAmbientDeclaration, 128 /* Abstract */) && !lastSeenNonAmbientDeclaration.questionToken) {
- reportImplementationExpectedError(lastSeenNonAmbientDeclaration);
- }
- if (hasOverloads) {
- checkFlagAgreementBetweenOverloads(declarations, bodyDeclaration, flagsToCheck, someNodeFlags, allNodeFlags);
- checkQuestionTokenAgreementBetweenOverloads(declarations, bodyDeclaration, someHaveQuestionToken, allHaveQuestionToken);
- if (bodyDeclaration) {
- var signatures = getSignaturesOfSymbol(symbol);
- var bodySignature = getSignatureFromDeclaration(bodyDeclaration);
- for (var _a = 0, signatures_10 = signatures; _a < signatures_10.length; _a++) {
- var signature = signatures_10[_a];
- if (!isImplementationCompatibleWithOverload(bodySignature, signature)) {
- ts.addRelatedInfo(error(signature.declaration, ts.Diagnostics.This_overload_signature_is_not_compatible_with_its_implementation_signature), ts.createDiagnosticForNode(bodyDeclaration, ts.Diagnostics.The_implementation_signature_is_declared_here));
- break;
- }
- }
- }
- }
- }
- function checkExportsOnMergedDeclarations(node) {
- if (!produceDiagnostics) {
- return;
- }
- // if localSymbol is defined on node then node itself is exported - check is required
- var symbol = node.localSymbol;
- if (!symbol) {
- // local symbol is undefined => this declaration is non-exported.
- // however symbol might contain other declarations that are exported
- symbol = getSymbolOfNode(node);
- if (!symbol.exportSymbol) {
- // this is a pure local symbol (all declarations are non-exported) - no need to check anything
- return;
- }
- }
- // run the check only for the first declaration in the list
- if (ts.getDeclarationOfKind(symbol, node.kind) !== node) {
- return;
- }
- var exportedDeclarationSpaces = 0 /* None */;
- var nonExportedDeclarationSpaces = 0 /* None */;
- var defaultExportedDeclarationSpaces = 0 /* None */;
- for (var _i = 0, _a = symbol.declarations; _i < _a.length; _i++) {
- var d = _a[_i];
- var declarationSpaces = getDeclarationSpaces(d);
- var effectiveDeclarationFlags = getEffectiveDeclarationFlags(d, 1 /* Export */ | 512 /* Default */);
- if (effectiveDeclarationFlags & 1 /* Export */) {
- if (effectiveDeclarationFlags & 512 /* Default */) {
- defaultExportedDeclarationSpaces |= declarationSpaces;
- }
- else {
- exportedDeclarationSpaces |= declarationSpaces;
- }
- }
- else {
- nonExportedDeclarationSpaces |= declarationSpaces;
- }
- }
- // Spaces for anything not declared a 'default export'.
- var nonDefaultExportedDeclarationSpaces = exportedDeclarationSpaces | nonExportedDeclarationSpaces;
- var commonDeclarationSpacesForExportsAndLocals = exportedDeclarationSpaces & nonExportedDeclarationSpaces;
- var commonDeclarationSpacesForDefaultAndNonDefault = defaultExportedDeclarationSpaces & nonDefaultExportedDeclarationSpaces;
- if (commonDeclarationSpacesForExportsAndLocals || commonDeclarationSpacesForDefaultAndNonDefault) {
- // declaration spaces for exported and non-exported declarations intersect
- for (var _b = 0, _c = symbol.declarations; _b < _c.length; _b++) {
- var d = _c[_b];
- var declarationSpaces = getDeclarationSpaces(d);
- var name = ts.getNameOfDeclaration(d);
- // Only error on the declarations that contributed to the intersecting spaces.
- if (declarationSpaces & commonDeclarationSpacesForDefaultAndNonDefault) {
- error(name, ts.Diagnostics.Merged_declaration_0_cannot_include_a_default_export_declaration_Consider_adding_a_separate_export_default_0_declaration_instead, ts.declarationNameToString(name));
- }
- else if (declarationSpaces & commonDeclarationSpacesForExportsAndLocals) {
- error(name, ts.Diagnostics.Individual_declarations_in_merged_declaration_0_must_be_all_exported_or_all_local, ts.declarationNameToString(name));
- }
- }
- }
- function getDeclarationSpaces(decl) {
- var d = decl;
- switch (d.kind) {
- case 246 /* InterfaceDeclaration */:
- case 247 /* TypeAliasDeclaration */:
- // A jsdoc typedef and callback are, by definition, type aliases.
- // falls through
- case 322 /* JSDocTypedefTag */:
- case 315 /* JSDocCallbackTag */:
- case 316 /* JSDocEnumTag */:
- return 2 /* ExportType */;
- case 249 /* ModuleDeclaration */:
- return ts.isAmbientModule(d) || ts.getModuleInstanceState(d) !== 0 /* NonInstantiated */
- ? 4 /* ExportNamespace */ | 1 /* ExportValue */
- : 4 /* ExportNamespace */;
- case 245 /* ClassDeclaration */:
- case 248 /* EnumDeclaration */:
- case 284 /* EnumMember */:
- return 2 /* ExportType */ | 1 /* ExportValue */;
- case 290 /* SourceFile */:
- return 2 /* ExportType */ | 1 /* ExportValue */ | 4 /* ExportNamespace */;
- case 259 /* ExportAssignment */:
- // Export assigned entity name expressions act as aliases and should fall through, otherwise they export values
- if (!ts.isEntityNameExpression(d.expression)) {
- return 1 /* ExportValue */;
- }
- d = d.expression;
- // The below options all declare an Alias, which is allowed to merge with other values within the importing module.
- // falls through
- case 253 /* ImportEqualsDeclaration */:
- case 256 /* NamespaceImport */:
- case 255 /* ImportClause */:
- var result_10 = 0 /* None */;
- var target = resolveAlias(getSymbolOfNode(d));
- ts.forEach(target.declarations, function (d) { result_10 |= getDeclarationSpaces(d); });
- return result_10;
- case 242 /* VariableDeclaration */:
- case 191 /* BindingElement */:
- case 244 /* FunctionDeclaration */:
- case 258 /* ImportSpecifier */: // https://github.com/Microsoft/TypeScript/pull/7591
- case 75 /* Identifier */: // https://github.com/microsoft/TypeScript/issues/36098
- // Identifiers are used as declarations of assignment declarations whose parents may be
- // SyntaxKind.CallExpression - `Object.defineProperty(thing, "aField", {value: 42});`
- // SyntaxKind.ElementAccessExpression - `thing["aField"] = 42;` or `thing["aField"];` (with a doc comment on it)
- // or SyntaxKind.PropertyAccessExpression - `thing.aField = 42;`
- // all of which are pretty much always values, or at least imply a value meaning.
- // It may be apprpriate to treat these as aliases in the future.
- return 1 /* ExportValue */;
- default:
- return ts.Debug.failBadSyntaxKind(d);
- }
- }
- }
- function getAwaitedTypeOfPromise(type, errorNode, diagnosticMessage, arg0) {
- var promisedType = getPromisedTypeOfPromise(type, errorNode);
- return promisedType && getAwaitedType(promisedType, errorNode, diagnosticMessage, arg0);
- }
- /**
- * Gets the "promised type" of a promise.
- * @param type The type of the promise.
- * @remarks The "promised type" of a type is the type of the "value" parameter of the "onfulfilled" callback.
- */
- function getPromisedTypeOfPromise(type, errorNode) {
- //
- // { // type
- // then( // thenFunction
- // onfulfilled: ( // onfulfilledParameterType
- // value: T // valueParameterType
- // ) => any
- // ): any;
- // }
- //
- if (isTypeAny(type)) {
- return undefined;
- }
- var typeAsPromise = type;
- if (typeAsPromise.promisedTypeOfPromise) {
- return typeAsPromise.promisedTypeOfPromise;
- }
- if (isReferenceToType(type, getGlobalPromiseType(/*reportErrors*/ false))) {
- return typeAsPromise.promisedTypeOfPromise = getTypeArguments(type)[0];
- }
- var thenFunction = getTypeOfPropertyOfType(type, "then"); // TODO: GH#18217
- if (isTypeAny(thenFunction)) {
- return undefined;
- }
- var thenSignatures = thenFunction ? getSignaturesOfType(thenFunction, 0 /* Call */) : ts.emptyArray;
- if (thenSignatures.length === 0) {
- if (errorNode) {
- error(errorNode, ts.Diagnostics.A_promise_must_have_a_then_method);
- }
- return undefined;
- }
- var onfulfilledParameterType = getTypeWithFacts(getUnionType(ts.map(thenSignatures, getTypeOfFirstParameterOfSignature)), 2097152 /* NEUndefinedOrNull */);
- if (isTypeAny(onfulfilledParameterType)) {
- return undefined;
- }
- var onfulfilledParameterSignatures = getSignaturesOfType(onfulfilledParameterType, 0 /* Call */);
- if (onfulfilledParameterSignatures.length === 0) {
- if (errorNode) {
- error(errorNode, ts.Diagnostics.The_first_parameter_of_the_then_method_of_a_promise_must_be_a_callback);
- }
- return undefined;
- }
- return typeAsPromise.promisedTypeOfPromise = getUnionType(ts.map(onfulfilledParameterSignatures, getTypeOfFirstParameterOfSignature), 2 /* Subtype */);
- }
- /**
- * Gets the "awaited type" of a type.
- * @param type The type to await.
- * @remarks The "awaited type" of an expression is its "promised type" if the expression is a
- * Promise-like type; otherwise, it is the type of the expression. This is used to reflect
- * The runtime behavior of the `await` keyword.
- */
- function checkAwaitedType(type, errorNode, diagnosticMessage, arg0) {
- var awaitedType = getAwaitedType(type, errorNode, diagnosticMessage, arg0);
- return awaitedType || errorType;
- }
- /**
- * Determines whether a type has a callable `then` member.
- */
- function isThenableType(type) {
- var thenFunction = getTypeOfPropertyOfType(type, "then");
- return !!thenFunction && getSignaturesOfType(getTypeWithFacts(thenFunction, 2097152 /* NEUndefinedOrNull */), 0 /* Call */).length > 0;
- }
- /**
- * Gets the "awaited type" of a type.
- *
- * The "awaited type" of an expression is its "promised type" if the expression is a
- * Promise-like type; otherwise, it is the type of the expression. If the "promised
- * type" is itself a Promise-like, the "promised type" is recursively unwrapped until a
- * non-promise type is found.
- *
- * This is used to reflect the runtime behavior of the `await` keyword.
- */
- function getAwaitedType(type, errorNode, diagnosticMessage, arg0) {
- if (isTypeAny(type)) {
- return type;
- }
- var typeAsAwaitable = type;
- if (typeAsAwaitable.awaitedTypeOfType) {
- return typeAsAwaitable.awaitedTypeOfType;
- }
- // For a union, get a union of the awaited types of each constituent.
- //
- return typeAsAwaitable.awaitedTypeOfType =
- mapType(type, errorNode ? function (constituentType) { return getAwaitedTypeWorker(constituentType, errorNode, diagnosticMessage, arg0); } : getAwaitedTypeWorker);
- }
- function getAwaitedTypeWorker(type, errorNode, diagnosticMessage, arg0) {
- var typeAsAwaitable = type;
- if (typeAsAwaitable.awaitedTypeOfType) {
- return typeAsAwaitable.awaitedTypeOfType;
- }
- var promisedType = getPromisedTypeOfPromise(type);
- if (promisedType) {
- if (type.id === promisedType.id || awaitedTypeStack.lastIndexOf(promisedType.id) >= 0) {
- // Verify that we don't have a bad actor in the form of a promise whose
- // promised type is the same as the promise type, or a mutually recursive
- // promise. If so, we return undefined as we cannot guess the shape. If this
- // were the actual case in the JavaScript, this Promise would never resolve.
- //
- // An example of a bad actor with a singly-recursive promise type might
- // be:
- //
- // interface BadPromise {
- // then(
- // onfulfilled: (value: BadPromise) => any,
- // onrejected: (error: any) => any): BadPromise;
- // }
- //
- // The above interface will pass the PromiseLike check, and return a
- // promised type of `BadPromise`. Since this is a self reference, we
- // don't want to keep recursing ad infinitum.
- //
- // An example of a bad actor in the form of a mutually-recursive
- // promise type might be:
- //
- // interface BadPromiseA {
- // then(
- // onfulfilled: (value: BadPromiseB) => any,
- // onrejected: (error: any) => any): BadPromiseB;
- // }
- //
- // interface BadPromiseB {
- // then(
- // onfulfilled: (value: BadPromiseA) => any,
- // onrejected: (error: any) => any): BadPromiseA;
- // }
- //
- if (errorNode) {
- error(errorNode, ts.Diagnostics.Type_is_referenced_directly_or_indirectly_in_the_fulfillment_callback_of_its_own_then_method);
- }
- return undefined;
- }
- // Keep track of the type we're about to unwrap to avoid bad recursive promise types.
- // See the comments above for more information.
- awaitedTypeStack.push(type.id);
- var awaitedType = getAwaitedType(promisedType, errorNode, diagnosticMessage, arg0);
- awaitedTypeStack.pop();
- if (!awaitedType) {
- return undefined;
- }
- return typeAsAwaitable.awaitedTypeOfType = awaitedType;
- }
- // The type was not a promise, so it could not be unwrapped any further.
- // As long as the type does not have a callable "then" property, it is
- // safe to return the type; otherwise, an error is reported and we return
- // undefined.
- //
- // An example of a non-promise "thenable" might be:
- //
- // await { then(): void {} }
- //
- // The "thenable" does not match the minimal definition for a promise. When
- // a Promise/A+-compatible or ES6 promise tries to adopt this value, the promise
- // will never settle. We treat this as an error to help flag an early indicator
- // of a runtime problem. If the user wants to return this value from an async
- // function, they would need to wrap it in some other value. If they want it to
- // be treated as a promise, they can cast to <any>.
- if (isThenableType(type)) {
- if (errorNode) {
- if (!diagnosticMessage)
- return ts.Debug.fail();
- error(errorNode, diagnosticMessage, arg0);
- }
- return undefined;
- }
- return typeAsAwaitable.awaitedTypeOfType = type;
- }
- /**
- * Checks the return type of an async function to ensure it is a compatible
- * Promise implementation.
- *
- * This checks that an async function has a valid Promise-compatible return type.
- * An async function has a valid Promise-compatible return type if the resolved value
- * of the return type has a construct signature that takes in an `initializer` function
- * that in turn supplies a `resolve` function as one of its arguments and results in an
- * object with a callable `then` signature.
- *
- * @param node The signature to check
- */
- function checkAsyncFunctionReturnType(node, returnTypeNode) {
- // As part of our emit for an async function, we will need to emit the entity name of
- // the return type annotation as an expression. To meet the necessary runtime semantics
- // for __awaiter, we must also check that the type of the declaration (e.g. the static
- // side or "constructor" of the promise type) is compatible `PromiseConstructorLike`.
- //
- // An example might be (from lib.es6.d.ts):
- //
- // interface Promise<T> { ... }
- // interface PromiseConstructor {
- // new <T>(...): Promise<T>;
- // }
- // declare var Promise: PromiseConstructor;
- //
- // When an async function declares a return type annotation of `Promise<T>`, we
- // need to get the type of the `Promise` variable declaration above, which would
- // be `PromiseConstructor`.
- //
- // The same case applies to a class:
- //
- // declare class Promise<T> {
- // constructor(...);
- // then<U>(...): Promise<U>;
- // }
- //
- var returnType = getTypeFromTypeNode(returnTypeNode);
- if (languageVersion >= 2 /* ES2015 */) {
- if (returnType === errorType) {
- return;
- }
- var globalPromiseType = getGlobalPromiseType(/*reportErrors*/ true);
- if (globalPromiseType !== emptyGenericType && !isReferenceToType(returnType, globalPromiseType)) {
- // The promise type was not a valid type reference to the global promise type, so we
- // report an error and return the unknown type.
- error(returnTypeNode, ts.Diagnostics.The_return_type_of_an_async_function_or_method_must_be_the_global_Promise_T_type);
- return;
- }
- }
- else {
- // Always mark the type node as referenced if it points to a value
- markTypeNodeAsReferenced(returnTypeNode);
- if (returnType === errorType) {
- return;
- }
- var promiseConstructorName = ts.getEntityNameFromTypeNode(returnTypeNode);
- if (promiseConstructorName === undefined) {
- error(returnTypeNode, ts.Diagnostics.Type_0_is_not_a_valid_async_function_return_type_in_ES5_SlashES3_because_it_does_not_refer_to_a_Promise_compatible_constructor_value, typeToString(returnType));
- return;
- }
- var promiseConstructorSymbol = resolveEntityName(promiseConstructorName, 111551 /* Value */, /*ignoreErrors*/ true);
- var promiseConstructorType = promiseConstructorSymbol ? getTypeOfSymbol(promiseConstructorSymbol) : errorType;
- if (promiseConstructorType === errorType) {
- if (promiseConstructorName.kind === 75 /* Identifier */ && promiseConstructorName.escapedText === "Promise" && getTargetType(returnType) === getGlobalPromiseType(/*reportErrors*/ false)) {
- error(returnTypeNode, ts.Diagnostics.An_async_function_or_method_in_ES5_SlashES3_requires_the_Promise_constructor_Make_sure_you_have_a_declaration_for_the_Promise_constructor_or_include_ES2015_in_your_lib_option);
- }
- else {
- error(returnTypeNode, ts.Diagnostics.Type_0_is_not_a_valid_async_function_return_type_in_ES5_SlashES3_because_it_does_not_refer_to_a_Promise_compatible_constructor_value, ts.entityNameToString(promiseConstructorName));
- }
- return;
- }
- var globalPromiseConstructorLikeType = getGlobalPromiseConstructorLikeType(/*reportErrors*/ true);
- if (globalPromiseConstructorLikeType === emptyObjectType) {
- // If we couldn't resolve the global PromiseConstructorLike type we cannot verify
- // compatibility with __awaiter.
- error(returnTypeNode, ts.Diagnostics.Type_0_is_not_a_valid_async_function_return_type_in_ES5_SlashES3_because_it_does_not_refer_to_a_Promise_compatible_constructor_value, ts.entityNameToString(promiseConstructorName));
- return;
- }
- if (!checkTypeAssignableTo(promiseConstructorType, globalPromiseConstructorLikeType, returnTypeNode, ts.Diagnostics.Type_0_is_not_a_valid_async_function_return_type_in_ES5_SlashES3_because_it_does_not_refer_to_a_Promise_compatible_constructor_value)) {
- return;
- }
- // Verify there is no local declaration that could collide with the promise constructor.
- var rootName = promiseConstructorName && ts.getFirstIdentifier(promiseConstructorName);
- var collidingSymbol = getSymbol(node.locals, rootName.escapedText, 111551 /* Value */);
- if (collidingSymbol) {
- error(collidingSymbol.valueDeclaration, ts.Diagnostics.Duplicate_identifier_0_Compiler_uses_declaration_1_to_support_async_functions, ts.idText(rootName), ts.entityNameToString(promiseConstructorName));
- return;
- }
- }
- checkAwaitedType(returnType, node, ts.Diagnostics.The_return_type_of_an_async_function_must_either_be_a_valid_promise_or_must_not_contain_a_callable_then_member);
- }
- /** Check a decorator */
- function checkDecorator(node) {
- var signature = getResolvedSignature(node);
- var returnType = getReturnTypeOfSignature(signature);
- if (returnType.flags & 1 /* Any */) {
- return;
- }
- var expectedReturnType;
- var headMessage = getDiagnosticHeadMessageForDecoratorResolution(node);
- var errorInfo;
- switch (node.parent.kind) {
- case 245 /* ClassDeclaration */:
- var classSymbol = getSymbolOfNode(node.parent);
- var classConstructorType = getTypeOfSymbol(classSymbol);
- expectedReturnType = getUnionType([classConstructorType, voidType]);
- break;
- case 156 /* Parameter */:
- expectedReturnType = voidType;
- errorInfo = ts.chainDiagnosticMessages(
- /*details*/ undefined, ts.Diagnostics.The_return_type_of_a_parameter_decorator_function_must_be_either_void_or_any);
- break;
- case 159 /* PropertyDeclaration */:
- expectedReturnType = voidType;
- errorInfo = ts.chainDiagnosticMessages(
- /*details*/ undefined, ts.Diagnostics.The_return_type_of_a_property_decorator_function_must_be_either_void_or_any);
- break;
- case 161 /* MethodDeclaration */:
- case 163 /* GetAccessor */:
- case 164 /* SetAccessor */:
- var methodType = getTypeOfNode(node.parent);
- var descriptorType = createTypedPropertyDescriptorType(methodType);
- expectedReturnType = getUnionType([descriptorType, voidType]);
- break;
- default:
- return ts.Debug.fail();
- }
- checkTypeAssignableTo(returnType, expectedReturnType, node, headMessage, function () { return errorInfo; });
- }
- /**
- * If a TypeNode can be resolved to a value symbol imported from an external module, it is
- * marked as referenced to prevent import elision.
- */
- function markTypeNodeAsReferenced(node) {
- markEntityNameOrEntityExpressionAsReference(node && ts.getEntityNameFromTypeNode(node));
- }
- function markEntityNameOrEntityExpressionAsReference(typeName) {
- if (!typeName)
- return;
- var rootName = ts.getFirstIdentifier(typeName);
- var meaning = (typeName.kind === 75 /* Identifier */ ? 788968 /* Type */ : 1920 /* Namespace */) | 2097152 /* Alias */;
- var rootSymbol = resolveName(rootName, rootName.escapedText, meaning, /*nameNotFoundMessage*/ undefined, /*nameArg*/ undefined, /*isRefernce*/ true);
- if (rootSymbol
- && rootSymbol.flags & 2097152 /* Alias */
- && symbolIsValue(rootSymbol)
- && !isConstEnumOrConstEnumOnlyModule(resolveAlias(rootSymbol))
- && !getTypeOnlyAliasDeclaration(rootSymbol)) {
- markAliasSymbolAsReferenced(rootSymbol);
- }
- }
- /**
- * This function marks the type used for metadata decorator as referenced if it is import
- * from external module.
- * This is different from markTypeNodeAsReferenced because it tries to simplify type nodes in
- * union and intersection type
- * @param node
- */
- function markDecoratorMedataDataTypeNodeAsReferenced(node) {
- var entityName = getEntityNameForDecoratorMetadata(node);
- if (entityName && ts.isEntityName(entityName)) {
- markEntityNameOrEntityExpressionAsReference(entityName);
- }
- }
- function getEntityNameForDecoratorMetadata(node) {
- if (node) {
- switch (node.kind) {
- case 179 /* IntersectionType */:
- case 178 /* UnionType */:
- return getEntityNameForDecoratorMetadataFromTypeList(node.types);
- case 180 /* ConditionalType */:
- return getEntityNameForDecoratorMetadataFromTypeList([node.trueType, node.falseType]);
- case 182 /* ParenthesizedType */:
- return getEntityNameForDecoratorMetadata(node.type);
- case 169 /* TypeReference */:
- return node.typeName;
- }
- }
- }
- function getEntityNameForDecoratorMetadataFromTypeList(types) {
- var commonEntityName;
- for (var _i = 0, types_20 = types; _i < types_20.length; _i++) {
- var typeNode = types_20[_i];
- while (typeNode.kind === 182 /* ParenthesizedType */) {
- typeNode = typeNode.type; // Skip parens if need be
- }
- if (typeNode.kind === 137 /* NeverKeyword */) {
- continue; // Always elide `never` from the union/intersection if possible
- }
- if (!strictNullChecks && (typeNode.kind === 100 /* NullKeyword */ || typeNode.kind === 146 /* UndefinedKeyword */)) {
- continue; // Elide null and undefined from unions for metadata, just like what we did prior to the implementation of strict null checks
- }
- var individualEntityName = getEntityNameForDecoratorMetadata(typeNode);
- if (!individualEntityName) {
- // Individual is something like string number
- // So it would be serialized to either that type or object
- // Safe to return here
- return undefined;
- }
- if (commonEntityName) {
- // Note this is in sync with the transformation that happens for type node.
- // Keep this in sync with serializeUnionOrIntersectionType
- // Verify if they refer to same entity and is identifier
- // return undefined if they dont match because we would emit object
- if (!ts.isIdentifier(commonEntityName) ||
- !ts.isIdentifier(individualEntityName) ||
- commonEntityName.escapedText !== individualEntityName.escapedText) {
- return undefined;
- }
- }
- else {
- commonEntityName = individualEntityName;
- }
- }
- return commonEntityName;
- }
- function getParameterTypeNodeForDecoratorCheck(node) {
- var typeNode = ts.getEffectiveTypeAnnotationNode(node);
- return ts.isRestParameter(node) ? ts.getRestParameterElementType(typeNode) : typeNode;
- }
- /** Check the decorators of a node */
- function checkDecorators(node) {
- if (!node.decorators) {
- return;
- }
- // skip this check for nodes that cannot have decorators. These should have already had an error reported by
- // checkGrammarDecorators.
- if (!ts.nodeCanBeDecorated(node, node.parent, node.parent.parent)) {
- return;
- }
- if (!compilerOptions.experimentalDecorators) {
- error(node, ts.Diagnostics.Experimental_support_for_decorators_is_a_feature_that_is_subject_to_change_in_a_future_release_Set_the_experimentalDecorators_option_in_your_tsconfig_or_jsconfig_to_remove_this_warning);
- }
- var firstDecorator = node.decorators[0];
- checkExternalEmitHelpers(firstDecorator, 8 /* Decorate */);
- if (node.kind === 156 /* Parameter */) {
- checkExternalEmitHelpers(firstDecorator, 32 /* Param */);
- }
- if (compilerOptions.emitDecoratorMetadata) {
- checkExternalEmitHelpers(firstDecorator, 16 /* Metadata */);
- // we only need to perform these checks if we are emitting serialized type metadata for the target of a decorator.
- switch (node.kind) {
- case 245 /* ClassDeclaration */:
- var constructor = ts.getFirstConstructorWithBody(node);
- if (constructor) {
- for (var _i = 0, _a = constructor.parameters; _i < _a.length; _i++) {
- var parameter = _a[_i];
- markDecoratorMedataDataTypeNodeAsReferenced(getParameterTypeNodeForDecoratorCheck(parameter));
- }
- }
- break;
- case 163 /* GetAccessor */:
- case 164 /* SetAccessor */:
- var otherKind = node.kind === 163 /* GetAccessor */ ? 164 /* SetAccessor */ : 163 /* GetAccessor */;
- var otherAccessor = ts.getDeclarationOfKind(getSymbolOfNode(node), otherKind);
- markDecoratorMedataDataTypeNodeAsReferenced(getAnnotatedAccessorTypeNode(node) || otherAccessor && getAnnotatedAccessorTypeNode(otherAccessor));
- break;
- case 161 /* MethodDeclaration */:
- for (var _b = 0, _c = node.parameters; _b < _c.length; _b++) {
- var parameter = _c[_b];
- markDecoratorMedataDataTypeNodeAsReferenced(getParameterTypeNodeForDecoratorCheck(parameter));
- }
- markDecoratorMedataDataTypeNodeAsReferenced(ts.getEffectiveReturnTypeNode(node));
- break;
- case 159 /* PropertyDeclaration */:
- markDecoratorMedataDataTypeNodeAsReferenced(ts.getEffectiveTypeAnnotationNode(node));
- break;
- case 156 /* Parameter */:
- markDecoratorMedataDataTypeNodeAsReferenced(getParameterTypeNodeForDecoratorCheck(node));
- var containingSignature = node.parent;
- for (var _d = 0, _e = containingSignature.parameters; _d < _e.length; _d++) {
- var parameter = _e[_d];
- markDecoratorMedataDataTypeNodeAsReferenced(getParameterTypeNodeForDecoratorCheck(parameter));
- }
- break;
- }
- }
- ts.forEach(node.decorators, checkDecorator);
- }
- function checkFunctionDeclaration(node) {
- if (produceDiagnostics) {
- checkFunctionOrMethodDeclaration(node);
- checkGrammarForGenerator(node);
- checkCollisionWithRequireExportsInGeneratedCode(node, node.name);
- checkCollisionWithGlobalPromiseInGeneratedCode(node, node.name);
- }
- }
- function checkJSDocTypeAliasTag(node) {
- if (!node.typeExpression) {
- // If the node had `@property` tags, `typeExpression` would have been set to the first property tag.
- error(node.name, ts.Diagnostics.JSDoc_typedef_tag_should_either_have_a_type_annotation_or_be_followed_by_property_or_member_tags);
- }
- if (node.name) {
- checkTypeNameIsReserved(node.name, ts.Diagnostics.Type_alias_name_cannot_be_0);
- }
- checkSourceElement(node.typeExpression);
- }
- function checkJSDocTemplateTag(node) {
- checkSourceElement(node.constraint);
- for (var _i = 0, _a = node.typeParameters; _i < _a.length; _i++) {
- var tp = _a[_i];
- checkSourceElement(tp);
- }
- }
- function checkJSDocTypeTag(node) {
- checkSourceElement(node.typeExpression);
- }
- function checkJSDocParameterTag(node) {
- checkSourceElement(node.typeExpression);
- if (!ts.getParameterSymbolFromJSDoc(node)) {
- var decl = ts.getHostSignatureFromJSDoc(node);
- // don't issue an error for invalid hosts -- just functions --
- // and give a better error message when the host function mentions `arguments`
- // but the tag doesn't have an array type
- if (decl) {
- var i = ts.getJSDocTags(decl).filter(ts.isJSDocParameterTag).indexOf(node);
- if (i > -1 && i < decl.parameters.length && ts.isBindingPattern(decl.parameters[i].name)) {
- return;
- }
- if (!containsArgumentsReference(decl)) {
- if (ts.isQualifiedName(node.name)) {
- error(node.name, ts.Diagnostics.Qualified_name_0_is_not_allowed_without_a_leading_param_object_1, ts.entityNameToString(node.name), ts.entityNameToString(node.name.left));
- }
- else {
- error(node.name, ts.Diagnostics.JSDoc_param_tag_has_name_0_but_there_is_no_parameter_with_that_name, ts.idText(node.name));
- }
- }
- else if (ts.findLast(ts.getJSDocTags(decl), ts.isJSDocParameterTag) === node &&
- node.typeExpression && node.typeExpression.type &&
- !isArrayType(getTypeFromTypeNode(node.typeExpression.type))) {
- error(node.name, ts.Diagnostics.JSDoc_param_tag_has_name_0_but_there_is_no_parameter_with_that_name_It_would_match_arguments_if_it_had_an_array_type, ts.idText(node.name.kind === 153 /* QualifiedName */ ? node.name.right : node.name));
- }
- }
- }
- }
- function checkJSDocPropertyTag(node) {
- checkSourceElement(node.typeExpression);
- }
- function checkJSDocFunctionType(node) {
- if (produceDiagnostics && !node.type && !ts.isJSDocConstructSignature(node)) {
- reportImplicitAny(node, anyType);
- }
- checkSignatureDeclaration(node);
- }
- function checkJSDocImplementsTag(node) {
- var classLike = ts.getEffectiveJSDocHost(node);
- if (!classLike || !ts.isClassDeclaration(classLike) && !ts.isClassExpression(classLike)) {
- error(classLike, ts.Diagnostics.JSDoc_0_is_not_attached_to_a_class, ts.idText(node.tagName));
- }
- }
- function checkJSDocAugmentsTag(node) {
- var classLike = ts.getEffectiveJSDocHost(node);
- if (!classLike || !ts.isClassDeclaration(classLike) && !ts.isClassExpression(classLike)) {
- error(classLike, ts.Diagnostics.JSDoc_0_is_not_attached_to_a_class, ts.idText(node.tagName));
- return;
- }
- var augmentsTags = ts.getJSDocTags(classLike).filter(ts.isJSDocAugmentsTag);
- ts.Debug.assert(augmentsTags.length > 0);
- if (augmentsTags.length > 1) {
- error(augmentsTags[1], ts.Diagnostics.Class_declarations_cannot_have_more_than_one_augments_or_extends_tag);
- }
- var name = getIdentifierFromEntityNameExpression(node.class.expression);
- var extend = ts.getClassExtendsHeritageElement(classLike);
- if (extend) {
- var className = getIdentifierFromEntityNameExpression(extend.expression);
- if (className && name.escapedText !== className.escapedText) {
- error(name, ts.Diagnostics.JSDoc_0_1_does_not_match_the_extends_2_clause, ts.idText(node.tagName), ts.idText(name), ts.idText(className));
- }
- }
- }
- function getIdentifierFromEntityNameExpression(node) {
- switch (node.kind) {
- case 75 /* Identifier */:
- return node;
- case 194 /* PropertyAccessExpression */:
- return node.name;
- default:
- return undefined;
- }
- }
- function checkFunctionOrMethodDeclaration(node) {
- checkDecorators(node);
- checkSignatureDeclaration(node);
- var functionFlags = ts.getFunctionFlags(node);
- // Do not use hasDynamicName here, because that returns false for well known symbols.
- // We want to perform checkComputedPropertyName for all computed properties, including
- // well known symbols.
- if (node.name && node.name.kind === 154 /* ComputedPropertyName */) {
- // This check will account for methods in class/interface declarations,
- // as well as accessors in classes/object literals
- checkComputedPropertyName(node.name);
- }
- if (!hasNonBindableDynamicName(node)) {
- // first we want to check the local symbol that contain this declaration
- // - if node.localSymbol !== undefined - this is current declaration is exported and localSymbol points to the local symbol
- // - if node.localSymbol === undefined - this node is non-exported so we can just pick the result of getSymbolOfNode
- var symbol = getSymbolOfNode(node);
- var localSymbol = node.localSymbol || symbol;
- // Since the javascript won't do semantic analysis like typescript,
- // if the javascript file comes before the typescript file and both contain same name functions,
- // checkFunctionOrConstructorSymbol wouldn't be called if we didnt ignore javascript function.
- var firstDeclaration = ts.find(localSymbol.declarations,
- // Get first non javascript function declaration
- function (declaration) { return declaration.kind === node.kind && !(declaration.flags & 131072 /* JavaScriptFile */); });
- // Only type check the symbol once
- if (node === firstDeclaration) {
- checkFunctionOrConstructorSymbol(localSymbol);
- }
- if (symbol.parent) {
- // run check once for the first declaration
- if (ts.getDeclarationOfKind(symbol, node.kind) === node) {
- // run check on export symbol to check that modifiers agree across all exported declarations
- checkFunctionOrConstructorSymbol(symbol);
- }
- }
- }
- var body = node.kind === 160 /* MethodSignature */ ? undefined : node.body;
- checkSourceElement(body);
- checkAllCodePathsInNonVoidFunctionReturnOrThrow(node, getReturnTypeFromAnnotation(node));
- if (produceDiagnostics && !ts.getEffectiveReturnTypeNode(node)) {
- // Report an implicit any error if there is no body, no explicit return type, and node is not a private method
- // in an ambient context
- if (ts.nodeIsMissing(body) && !isPrivateWithinAmbient(node)) {
- reportImplicitAny(node, anyType);
- }
- if (functionFlags & 1 /* Generator */ && ts.nodeIsPresent(body)) {
- // A generator with a body and no type annotation can still cause errors. It can error if the
- // yielded values have no common supertype, or it can give an implicit any error if it has no
- // yielded values. The only way to trigger these errors is to try checking its return type.
- getReturnTypeOfSignature(getSignatureFromDeclaration(node));
- }
- }
- // A js function declaration can have a @type tag instead of a return type node, but that type must have a call signature
- if (ts.isInJSFile(node)) {
- var typeTag = ts.getJSDocTypeTag(node);
- if (typeTag && typeTag.typeExpression && !getContextualCallSignature(getTypeFromTypeNode(typeTag.typeExpression), node)) {
- error(typeTag, ts.Diagnostics.The_type_of_a_function_declaration_must_match_the_function_s_signature);
- }
- }
- }
- function registerForUnusedIdentifiersCheck(node) {
- // May be in a call such as getTypeOfNode that happened to call this. But potentiallyUnusedIdentifiers is only defined in the scope of `checkSourceFile`.
- if (produceDiagnostics) {
- var sourceFile = ts.getSourceFileOfNode(node);
- var potentiallyUnusedIdentifiers = allPotentiallyUnusedIdentifiers.get(sourceFile.path);
- if (!potentiallyUnusedIdentifiers) {
- potentiallyUnusedIdentifiers = [];
- allPotentiallyUnusedIdentifiers.set(sourceFile.path, potentiallyUnusedIdentifiers);
- }
- // TODO: GH#22580
- // Debug.assert(addToSeen(seenPotentiallyUnusedIdentifiers, getNodeId(node)), "Adding potentially-unused identifier twice");
- potentiallyUnusedIdentifiers.push(node);
- }
- }
- function checkUnusedIdentifiers(potentiallyUnusedIdentifiers, addDiagnostic) {
- for (var _i = 0, potentiallyUnusedIdentifiers_1 = potentiallyUnusedIdentifiers; _i < potentiallyUnusedIdentifiers_1.length; _i++) {
- var node = potentiallyUnusedIdentifiers_1[_i];
- switch (node.kind) {
- case 245 /* ClassDeclaration */:
- case 214 /* ClassExpression */:
- checkUnusedClassMembers(node, addDiagnostic);
- checkUnusedTypeParameters(node, addDiagnostic);
- break;
- case 290 /* SourceFile */:
- case 249 /* ModuleDeclaration */:
- case 223 /* Block */:
- case 251 /* CaseBlock */:
- case 230 /* ForStatement */:
- case 231 /* ForInStatement */:
- case 232 /* ForOfStatement */:
- checkUnusedLocalsAndParameters(node, addDiagnostic);
- break;
- case 162 /* Constructor */:
- case 201 /* FunctionExpression */:
- case 244 /* FunctionDeclaration */:
- case 202 /* ArrowFunction */:
- case 161 /* MethodDeclaration */:
- case 163 /* GetAccessor */:
- case 164 /* SetAccessor */:
- if (node.body) { // Don't report unused parameters in overloads
- checkUnusedLocalsAndParameters(node, addDiagnostic);
- }
- checkUnusedTypeParameters(node, addDiagnostic);
- break;
- case 160 /* MethodSignature */:
- case 165 /* CallSignature */:
- case 166 /* ConstructSignature */:
- case 170 /* FunctionType */:
- case 171 /* ConstructorType */:
- case 247 /* TypeAliasDeclaration */:
- case 246 /* InterfaceDeclaration */:
- checkUnusedTypeParameters(node, addDiagnostic);
- break;
- case 181 /* InferType */:
- checkUnusedInferTypeParameter(node, addDiagnostic);
- break;
- default:
- ts.Debug.assertNever(node, "Node should not have been registered for unused identifiers check");
- }
- }
- }
- function errorUnusedLocal(declaration, name, addDiagnostic) {
- var node = ts.getNameOfDeclaration(declaration) || declaration;
- var message = isTypeDeclaration(declaration) ? ts.Diagnostics._0_is_declared_but_never_used : ts.Diagnostics._0_is_declared_but_its_value_is_never_read;
- addDiagnostic(declaration, 0 /* Local */, ts.createDiagnosticForNode(node, message, name));
- }
- function isIdentifierThatStartsWithUnderscore(node) {
- return ts.isIdentifier(node) && ts.idText(node).charCodeAt(0) === 95 /* _ */;
- }
- function checkUnusedClassMembers(node, addDiagnostic) {
- for (var _i = 0, _a = node.members; _i < _a.length; _i++) {
- var member = _a[_i];
- switch (member.kind) {
- case 161 /* MethodDeclaration */:
- case 159 /* PropertyDeclaration */:
- case 163 /* GetAccessor */:
- case 164 /* SetAccessor */:
- if (member.kind === 164 /* SetAccessor */ && member.symbol.flags & 32768 /* GetAccessor */) {
- // Already would have reported an error on the getter.
- break;
- }
- var symbol = getSymbolOfNode(member);
- if (!symbol.isReferenced
- && (ts.hasModifier(member, 8 /* Private */) || ts.isNamedDeclaration(member) && ts.isPrivateIdentifier(member.name))
- && !(member.flags & 8388608 /* Ambient */)) {
- addDiagnostic(member, 0 /* Local */, ts.createDiagnosticForNode(member.name, ts.Diagnostics._0_is_declared_but_its_value_is_never_read, symbolToString(symbol)));
- }
- break;
- case 162 /* Constructor */:
- for (var _b = 0, _c = member.parameters; _b < _c.length; _b++) {
- var parameter = _c[_b];
- if (!parameter.symbol.isReferenced && ts.hasModifier(parameter, 8 /* Private */)) {
- addDiagnostic(parameter, 0 /* Local */, ts.createDiagnosticForNode(parameter.name, ts.Diagnostics.Property_0_is_declared_but_its_value_is_never_read, ts.symbolName(parameter.symbol)));
- }
- }
- break;
- case 167 /* IndexSignature */:
- case 222 /* SemicolonClassElement */:
- // Can't be private
- break;
- default:
- ts.Debug.fail();
- }
- }
- }
- function checkUnusedInferTypeParameter(node, addDiagnostic) {
- var typeParameter = node.typeParameter;
- if (isTypeParameterUnused(typeParameter)) {
- addDiagnostic(node, 1 /* Parameter */, ts.createDiagnosticForNode(node, ts.Diagnostics._0_is_declared_but_its_value_is_never_read, ts.idText(typeParameter.name)));
- }
- }
- function checkUnusedTypeParameters(node, addDiagnostic) {
- // Only report errors on the last declaration for the type parameter container;
- // this ensures that all uses have been accounted for.
- if (ts.last(getSymbolOfNode(node).declarations) !== node)
- return;
- var typeParameters = ts.getEffectiveTypeParameterDeclarations(node);
- var seenParentsWithEveryUnused = new ts.NodeSet();
- for (var _i = 0, typeParameters_3 = typeParameters; _i < typeParameters_3.length; _i++) {
- var typeParameter = typeParameters_3[_i];
- if (!isTypeParameterUnused(typeParameter))
- continue;
- var name = ts.idText(typeParameter.name);
- var parent = typeParameter.parent;
- if (parent.kind !== 181 /* InferType */ && parent.typeParameters.every(isTypeParameterUnused)) {
- if (seenParentsWithEveryUnused.tryAdd(parent)) {
- var range = ts.isJSDocTemplateTag(parent)
- // Whole @template tag
- ? ts.rangeOfNode(parent)
- // Include the `<>` in the error message
- : ts.rangeOfTypeParameters(parent.typeParameters);
- var only = parent.typeParameters.length === 1;
- var message = only ? ts.Diagnostics._0_is_declared_but_its_value_is_never_read : ts.Diagnostics.All_type_parameters_are_unused;
- var arg0 = only ? name : undefined;
- addDiagnostic(typeParameter, 1 /* Parameter */, ts.createFileDiagnostic(ts.getSourceFileOfNode(parent), range.pos, range.end - range.pos, message, arg0));
- }
- }
- else {
- addDiagnostic(typeParameter, 1 /* Parameter */, ts.createDiagnosticForNode(typeParameter, ts.Diagnostics._0_is_declared_but_its_value_is_never_read, name));
- }
- }
- }
- function isTypeParameterUnused(typeParameter) {
- return !(getMergedSymbol(typeParameter.symbol).isReferenced & 262144 /* TypeParameter */) && !isIdentifierThatStartsWithUnderscore(typeParameter.name);
- }
- function addToGroup(map, key, value, getKey) {
- var keyString = String(getKey(key));
- var group = map.get(keyString);
- if (group) {
- group[1].push(value);
- }
- else {
- map.set(keyString, [key, [value]]);
- }
- }
- function tryGetRootParameterDeclaration(node) {
- return ts.tryCast(ts.getRootDeclaration(node), ts.isParameter);
- }
- function isValidUnusedLocalDeclaration(declaration) {
- if (ts.isBindingElement(declaration) && isIdentifierThatStartsWithUnderscore(declaration.name)) {
- return !!ts.findAncestor(declaration.parent, function (ancestor) {
- return ts.isArrayBindingPattern(ancestor) || ts.isVariableDeclaration(ancestor) || ts.isVariableDeclarationList(ancestor) ? false :
- ts.isForOfStatement(ancestor) ? true : "quit";
- });
- }
- return ts.isAmbientModule(declaration) ||
- (ts.isVariableDeclaration(declaration) && ts.isForInOrOfStatement(declaration.parent.parent) || isImportedDeclaration(declaration)) && isIdentifierThatStartsWithUnderscore(declaration.name);
- }
- function checkUnusedLocalsAndParameters(nodeWithLocals, addDiagnostic) {
- // Ideally we could use the ImportClause directly as a key, but must wait until we have full ES6 maps. So must store key along with value.
- var unusedImports = ts.createMap();
- var unusedDestructures = ts.createMap();
- var unusedVariables = ts.createMap();
- nodeWithLocals.locals.forEach(function (local) {
- // If it's purely a type parameter, ignore, will be checked in `checkUnusedTypeParameters`.
- // If it's a type parameter merged with a parameter, check if the parameter-side is used.
- if (local.flags & 262144 /* TypeParameter */ ? !(local.flags & 3 /* Variable */ && !(local.isReferenced & 3 /* Variable */)) : local.isReferenced || local.exportSymbol) {
- return;
- }
- for (var _i = 0, _a = local.declarations; _i < _a.length; _i++) {
- var declaration = _a[_i];
- if (isValidUnusedLocalDeclaration(declaration)) {
- continue;
- }
- if (isImportedDeclaration(declaration)) {
- addToGroup(unusedImports, importClauseFromImported(declaration), declaration, getNodeId);
- }
- else if (ts.isBindingElement(declaration) && ts.isObjectBindingPattern(declaration.parent)) {
- // In `{ a, ...b }, `a` is considered used since it removes a property from `b`. `b` may still be unused though.
- var lastElement = ts.last(declaration.parent.elements);
- if (declaration === lastElement || !ts.last(declaration.parent.elements).dotDotDotToken) {
- addToGroup(unusedDestructures, declaration.parent, declaration, getNodeId);
- }
- }
- else if (ts.isVariableDeclaration(declaration)) {
- addToGroup(unusedVariables, declaration.parent, declaration, getNodeId);
- }
- else {
- var parameter = local.valueDeclaration && tryGetRootParameterDeclaration(local.valueDeclaration);
- var name = local.valueDeclaration && ts.getNameOfDeclaration(local.valueDeclaration);
- if (parameter && name) {
- if (!ts.isParameterPropertyDeclaration(parameter, parameter.parent) && !ts.parameterIsThisKeyword(parameter) && !isIdentifierThatStartsWithUnderscore(name)) {
- addDiagnostic(parameter, 1 /* Parameter */, ts.createDiagnosticForNode(name, ts.Diagnostics._0_is_declared_but_its_value_is_never_read, ts.symbolName(local)));
- }
- }
- else {
- errorUnusedLocal(declaration, ts.symbolName(local), addDiagnostic);
- }
- }
- }
- });
- unusedImports.forEach(function (_a) {
- var importClause = _a[0], unuseds = _a[1];
- var importDecl = importClause.parent;
- var nDeclarations = (importClause.name ? 1 : 0) +
- (importClause.namedBindings ?
- (importClause.namedBindings.kind === 256 /* NamespaceImport */ ? 1 : importClause.namedBindings.elements.length)
- : 0);
- if (nDeclarations === unuseds.length) {
- addDiagnostic(importDecl, 0 /* Local */, unuseds.length === 1
- ? ts.createDiagnosticForNode(importDecl, ts.Diagnostics._0_is_declared_but_its_value_is_never_read, ts.idText(ts.first(unuseds).name))
- : ts.createDiagnosticForNode(importDecl, ts.Diagnostics.All_imports_in_import_declaration_are_unused));
- }
- else {
- for (var _i = 0, unuseds_1 = unuseds; _i < unuseds_1.length; _i++) {
- var unused = unuseds_1[_i];
- errorUnusedLocal(unused, ts.idText(unused.name), addDiagnostic);
- }
- }
- });
- unusedDestructures.forEach(function (_a) {
- var bindingPattern = _a[0], bindingElements = _a[1];
- var kind = tryGetRootParameterDeclaration(bindingPattern.parent) ? 1 /* Parameter */ : 0 /* Local */;
- if (bindingPattern.elements.length === bindingElements.length) {
- if (bindingElements.length === 1 && bindingPattern.parent.kind === 242 /* VariableDeclaration */ && bindingPattern.parent.parent.kind === 243 /* VariableDeclarationList */) {
- addToGroup(unusedVariables, bindingPattern.parent.parent, bindingPattern.parent, getNodeId);
- }
- else {
- addDiagnostic(bindingPattern, kind, bindingElements.length === 1
- ? ts.createDiagnosticForNode(bindingPattern, ts.Diagnostics._0_is_declared_but_its_value_is_never_read, bindingNameText(ts.first(bindingElements).name))
- : ts.createDiagnosticForNode(bindingPattern, ts.Diagnostics.All_destructured_elements_are_unused));
- }
- }
- else {
- for (var _i = 0, bindingElements_1 = bindingElements; _i < bindingElements_1.length; _i++) {
- var e = bindingElements_1[_i];
- addDiagnostic(e, kind, ts.createDiagnosticForNode(e, ts.Diagnostics._0_is_declared_but_its_value_is_never_read, bindingNameText(e.name)));
- }
- }
- });
- unusedVariables.forEach(function (_a) {
- var declarationList = _a[0], declarations = _a[1];
- if (declarationList.declarations.length === declarations.length) {
- addDiagnostic(declarationList, 0 /* Local */, declarations.length === 1
- ? ts.createDiagnosticForNode(ts.first(declarations).name, ts.Diagnostics._0_is_declared_but_its_value_is_never_read, bindingNameText(ts.first(declarations).name))
- : ts.createDiagnosticForNode(declarationList.parent.kind === 225 /* VariableStatement */ ? declarationList.parent : declarationList, ts.Diagnostics.All_variables_are_unused));
- }
- else {
- for (var _i = 0, declarations_5 = declarations; _i < declarations_5.length; _i++) {
- var decl = declarations_5[_i];
- addDiagnostic(decl, 0 /* Local */, ts.createDiagnosticForNode(decl, ts.Diagnostics._0_is_declared_but_its_value_is_never_read, bindingNameText(decl.name)));
- }
- }
- });
- }
- function bindingNameText(name) {
- switch (name.kind) {
- case 75 /* Identifier */:
- return ts.idText(name);
- case 190 /* ArrayBindingPattern */:
- case 189 /* ObjectBindingPattern */:
- return bindingNameText(ts.cast(ts.first(name.elements), ts.isBindingElement).name);
- default:
- return ts.Debug.assertNever(name);
- }
- }
- function isImportedDeclaration(node) {
- return node.kind === 255 /* ImportClause */ || node.kind === 258 /* ImportSpecifier */ || node.kind === 256 /* NamespaceImport */;
- }
- function importClauseFromImported(decl) {
- return decl.kind === 255 /* ImportClause */ ? decl : decl.kind === 256 /* NamespaceImport */ ? decl.parent : decl.parent.parent;
- }
- function checkBlock(node) {
- // Grammar checking for SyntaxKind.Block
- if (node.kind === 223 /* Block */) {
- checkGrammarStatementInAmbientContext(node);
- }
- if (ts.isFunctionOrModuleBlock(node)) {
- var saveFlowAnalysisDisabled = flowAnalysisDisabled;
- ts.forEach(node.statements, checkSourceElement);
- flowAnalysisDisabled = saveFlowAnalysisDisabled;
- }
- else {
- ts.forEach(node.statements, checkSourceElement);
- }
- if (node.locals) {
- registerForUnusedIdentifiersCheck(node);
- }
- }
- function checkCollisionWithArgumentsInGeneratedCode(node) {
- // no rest parameters \ declaration context \ overload - no codegen impact
- if (languageVersion >= 2 /* ES2015 */ || compilerOptions.noEmit || !ts.hasRestParameter(node) || node.flags & 8388608 /* Ambient */ || ts.nodeIsMissing(node.body)) {
- return;
- }
- ts.forEach(node.parameters, function (p) {
- if (p.name && !ts.isBindingPattern(p.name) && p.name.escapedText === argumentsSymbol.escapedName) {
- error(p, ts.Diagnostics.Duplicate_identifier_arguments_Compiler_uses_arguments_to_initialize_rest_parameters);
- }
- });
- }
- function needCollisionCheckForIdentifier(node, identifier, name) {
- if (!(identifier && identifier.escapedText === name)) {
- return false;
- }
- if (node.kind === 159 /* PropertyDeclaration */ ||
- node.kind === 158 /* PropertySignature */ ||
- node.kind === 161 /* MethodDeclaration */ ||
- node.kind === 160 /* MethodSignature */ ||
- node.kind === 163 /* GetAccessor */ ||
- node.kind === 164 /* SetAccessor */) {
- // it is ok to have member named '_super' or '_this' - member access is always qualified
- return false;
- }
- if (node.flags & 8388608 /* Ambient */) {
- // ambient context - no codegen impact
- return false;
- }
- var root = ts.getRootDeclaration(node);
- if (root.kind === 156 /* Parameter */ && ts.nodeIsMissing(root.parent.body)) {
- // just an overload - no codegen impact
- return false;
- }
- return true;
- }
- // this function will run after checking the source file so 'CaptureThis' is correct for all nodes
- function checkIfThisIsCapturedInEnclosingScope(node) {
- ts.findAncestor(node, function (current) {
- if (getNodeCheckFlags(current) & 4 /* CaptureThis */) {
- var isDeclaration_1 = node.kind !== 75 /* Identifier */;
- if (isDeclaration_1) {
- error(ts.getNameOfDeclaration(node), ts.Diagnostics.Duplicate_identifier_this_Compiler_uses_variable_declaration_this_to_capture_this_reference);
- }
- else {
- error(node, ts.Diagnostics.Expression_resolves_to_variable_declaration_this_that_compiler_uses_to_capture_this_reference);
- }
- return true;
- }
- return false;
- });
- }
- function checkIfNewTargetIsCapturedInEnclosingScope(node) {
- ts.findAncestor(node, function (current) {
- if (getNodeCheckFlags(current) & 8 /* CaptureNewTarget */) {
- var isDeclaration_2 = node.kind !== 75 /* Identifier */;
- if (isDeclaration_2) {
- error(ts.getNameOfDeclaration(node), ts.Diagnostics.Duplicate_identifier_newTarget_Compiler_uses_variable_declaration_newTarget_to_capture_new_target_meta_property_reference);
- }
- else {
- error(node, ts.Diagnostics.Expression_resolves_to_variable_declaration_newTarget_that_compiler_uses_to_capture_new_target_meta_property_reference);
- }
- return true;
- }
- return false;
- });
- }
- function checkWeakMapCollision(node) {
- var enclosingBlockScope = ts.getEnclosingBlockScopeContainer(node);
- if (getNodeCheckFlags(enclosingBlockScope) & 67108864 /* ContainsClassWithPrivateIdentifiers */) {
- error(node, ts.Diagnostics.Compiler_reserves_name_0_when_emitting_private_identifier_downlevel, "WeakMap");
- }
- }
- function checkCollisionWithRequireExportsInGeneratedCode(node, name) {
- // No need to check for require or exports for ES6 modules and later
- if (moduleKind >= ts.ModuleKind.ES2015 || compilerOptions.noEmit) {
- return;
- }
- if (!needCollisionCheckForIdentifier(node, name, "require") && !needCollisionCheckForIdentifier(node, name, "exports")) {
- return;
- }
- // Uninstantiated modules shouldnt do this check
- if (ts.isModuleDeclaration(node) && ts.getModuleInstanceState(node) !== 1 /* Instantiated */) {
- return;
- }
- // In case of variable declaration, node.parent is variable statement so look at the variable statement's parent
- var parent = getDeclarationContainer(node);
- if (parent.kind === 290 /* SourceFile */ && ts.isExternalOrCommonJsModule(parent)) {
- // If the declaration happens to be in external module, report error that require and exports are reserved keywords
- error(name, ts.Diagnostics.Duplicate_identifier_0_Compiler_reserves_name_1_in_top_level_scope_of_a_module, ts.declarationNameToString(name), ts.declarationNameToString(name));
- }
- }
- function checkCollisionWithGlobalPromiseInGeneratedCode(node, name) {
- if (languageVersion >= 4 /* ES2017 */ || compilerOptions.noEmit || !needCollisionCheckForIdentifier(node, name, "Promise")) {
- return;
- }
- // Uninstantiated modules shouldnt do this check
- if (ts.isModuleDeclaration(node) && ts.getModuleInstanceState(node) !== 1 /* Instantiated */) {
- return;
- }
- // In case of variable declaration, node.parent is variable statement so look at the variable statement's parent
- var parent = getDeclarationContainer(node);
- if (parent.kind === 290 /* SourceFile */ && ts.isExternalOrCommonJsModule(parent) && parent.flags & 2048 /* HasAsyncFunctions */) {
- // If the declaration happens to be in external module, report error that Promise is a reserved identifier.
- error(name, ts.Diagnostics.Duplicate_identifier_0_Compiler_reserves_name_1_in_top_level_scope_of_a_module_containing_async_functions, ts.declarationNameToString(name), ts.declarationNameToString(name));
- }
- }
- function checkVarDeclaredNamesNotShadowed(node) {
- // - ScriptBody : StatementList
- // It is a Syntax Error if any element of the LexicallyDeclaredNames of StatementList
- // also occurs in the VarDeclaredNames of StatementList.
- // - Block : { StatementList }
- // It is a Syntax Error if any element of the LexicallyDeclaredNames of StatementList
- // also occurs in the VarDeclaredNames of StatementList.
- // Variable declarations are hoisted to the top of their function scope. They can shadow
- // block scoped declarations, which bind tighter. this will not be flagged as duplicate definition
- // by the binder as the declaration scope is different.
- // A non-initialized declaration is a no-op as the block declaration will resolve before the var
- // declaration. the problem is if the declaration has an initializer. this will act as a write to the
- // block declared value. this is fine for let, but not const.
- // Only consider declarations with initializers, uninitialized const declarations will not
- // step on a let/const variable.
- // Do not consider const and const declarations, as duplicate block-scoped declarations
- // are handled by the binder.
- // We are only looking for const declarations that step on let\const declarations from a
- // different scope. e.g.:
- // {
- // const x = 0; // localDeclarationSymbol obtained after name resolution will correspond to this declaration
- // const x = 0; // symbol for this declaration will be 'symbol'
- // }
- // skip block-scoped variables and parameters
- if ((ts.getCombinedNodeFlags(node) & 3 /* BlockScoped */) !== 0 || ts.isParameterDeclaration(node)) {
- return;
- }
- // skip variable declarations that don't have initializers
- // NOTE: in ES6 spec initializer is required in variable declarations where name is binding pattern
- // so we'll always treat binding elements as initialized
- if (node.kind === 242 /* VariableDeclaration */ && !node.initializer) {
- return;
- }
- var symbol = getSymbolOfNode(node);
- if (symbol.flags & 1 /* FunctionScopedVariable */) {
- if (!ts.isIdentifier(node.name))
- return ts.Debug.fail();
- var localDeclarationSymbol = resolveName(node, node.name.escapedText, 3 /* Variable */, /*nodeNotFoundErrorMessage*/ undefined, /*nameArg*/ undefined, /*isUse*/ false);
- if (localDeclarationSymbol &&
- localDeclarationSymbol !== symbol &&
- localDeclarationSymbol.flags & 2 /* BlockScopedVariable */) {
- if (getDeclarationNodeFlagsFromSymbol(localDeclarationSymbol) & 3 /* BlockScoped */) {
- var varDeclList = ts.getAncestor(localDeclarationSymbol.valueDeclaration, 243 /* VariableDeclarationList */);
- var container = varDeclList.parent.kind === 225 /* VariableStatement */ && varDeclList.parent.parent
- ? varDeclList.parent.parent
- : undefined;
- // names of block-scoped and function scoped variables can collide only
- // if block scoped variable is defined in the function\module\source file scope (because of variable hoisting)
- var namesShareScope = container &&
- (container.kind === 223 /* Block */ && ts.isFunctionLike(container.parent) ||
- container.kind === 250 /* ModuleBlock */ ||
- container.kind === 249 /* ModuleDeclaration */ ||
- container.kind === 290 /* SourceFile */);
- // here we know that function scoped variable is shadowed by block scoped one
- // if they are defined in the same scope - binder has already reported redeclaration error
- // otherwise if variable has an initializer - show error that initialization will fail
- // since LHS will be block scoped name instead of function scoped
- if (!namesShareScope) {
- var name = symbolToString(localDeclarationSymbol);
- error(node, ts.Diagnostics.Cannot_initialize_outer_scoped_variable_0_in_the_same_scope_as_block_scoped_declaration_1, name, name);
- }
- }
- }
- }
- }
- function convertAutoToAny(type) {
- return type === autoType ? anyType : type === autoArrayType ? anyArrayType : type;
- }
- // Check variable, parameter, or property declaration
- function checkVariableLikeDeclaration(node) {
- checkDecorators(node);
- if (!ts.isBindingElement(node)) {
- checkSourceElement(node.type);
- }
- // JSDoc `function(string, string): string` syntax results in parameters with no name
- if (!node.name) {
- return;
- }
- // For a computed property, just check the initializer and exit
- // Do not use hasDynamicName here, because that returns false for well known symbols.
- // We want to perform checkComputedPropertyName for all computed properties, including
- // well known symbols.
- if (node.name.kind === 154 /* ComputedPropertyName */) {
- checkComputedPropertyName(node.name);
- if (node.initializer) {
- checkExpressionCached(node.initializer);
- }
- }
- if (node.kind === 191 /* BindingElement */) {
- if (node.parent.kind === 189 /* ObjectBindingPattern */ && languageVersion < 99 /* ESNext */) {
- checkExternalEmitHelpers(node, 4 /* Rest */);
- }
- // check computed properties inside property names of binding elements
- if (node.propertyName && node.propertyName.kind === 154 /* ComputedPropertyName */) {
- checkComputedPropertyName(node.propertyName);
- }
- // check private/protected variable access
- var parent = node.parent.parent;
- var parentType = getTypeForBindingElementParent(parent);
- var name = node.propertyName || node.name;
- if (parentType && !ts.isBindingPattern(name)) {
- var exprType = getLiteralTypeFromPropertyName(name);
- if (isTypeUsableAsPropertyName(exprType)) {
- var nameText = getPropertyNameFromType(exprType);
- var property = getPropertyOfType(parentType, nameText);
- if (property) {
- markPropertyAsReferenced(property, /*nodeForCheckWriteOnly*/ undefined, /*isThisAccess*/ false); // A destructuring is never a write-only reference.
- checkPropertyAccessibility(parent, !!parent.initializer && parent.initializer.kind === 102 /* SuperKeyword */, parentType, property);
- }
- }
- }
- }
- // For a binding pattern, check contained binding elements
- if (ts.isBindingPattern(node.name)) {
- if (node.name.kind === 190 /* ArrayBindingPattern */ && languageVersion < 2 /* ES2015 */ && compilerOptions.downlevelIteration) {
- checkExternalEmitHelpers(node, 512 /* Read */);
- }
- ts.forEach(node.name.elements, checkSourceElement);
- }
- // For a parameter declaration with an initializer, error and exit if the containing function doesn't have a body
- if (node.initializer && ts.getRootDeclaration(node).kind === 156 /* Parameter */ && ts.nodeIsMissing(ts.getContainingFunction(node).body)) {
- error(node, ts.Diagnostics.A_parameter_initializer_is_only_allowed_in_a_function_or_constructor_implementation);
- return;
- }
- // For a binding pattern, validate the initializer and exit
- if (ts.isBindingPattern(node.name)) {
- var needCheckInitializer = node.initializer && node.parent.parent.kind !== 231 /* ForInStatement */;
- var needCheckWidenedType = node.name.elements.length === 0;
- if (needCheckInitializer || needCheckWidenedType) {
- // Don't validate for-in initializer as it is already an error
- var widenedType = getWidenedTypeForVariableLikeDeclaration(node);
- if (needCheckInitializer) {
- var initializerType = checkExpressionCached(node.initializer);
- if (strictNullChecks && needCheckWidenedType) {
- checkNonNullNonVoidType(initializerType, node);
- }
- else {
- checkTypeAssignableToAndOptionallyElaborate(initializerType, getWidenedTypeForVariableLikeDeclaration(node), node, node.initializer);
- }
- }
- // check the binding pattern with empty elements
- if (needCheckWidenedType) {
- if (ts.isArrayBindingPattern(node.name)) {
- checkIteratedTypeOrElementType(65 /* Destructuring */, widenedType, undefinedType, node);
- }
- else if (strictNullChecks) {
- checkNonNullNonVoidType(widenedType, node);
- }
- }
- }
- return;
- }
- var symbol = getSymbolOfNode(node);
- var type = convertAutoToAny(getTypeOfSymbol(symbol));
- if (node === symbol.valueDeclaration) {
- // Node is the primary declaration of the symbol, just validate the initializer
- // Don't validate for-in initializer as it is already an error
- var initializer = ts.getEffectiveInitializer(node);
- if (initializer) {
- var isJSObjectLiteralInitializer = ts.isInJSFile(node) &&
- ts.isObjectLiteralExpression(initializer) &&
- (initializer.properties.length === 0 || ts.isPrototypeAccess(node.name)) &&
- ts.hasEntries(symbol.exports);
- if (!isJSObjectLiteralInitializer && node.parent.parent.kind !== 231 /* ForInStatement */) {
- checkTypeAssignableToAndOptionallyElaborate(checkExpressionCached(initializer), type, node, initializer, /*headMessage*/ undefined);
- }
- }
- if (symbol.declarations.length > 1) {
- if (ts.some(symbol.declarations, function (d) { return d !== node && ts.isVariableLike(d) && !areDeclarationFlagsIdentical(d, node); })) {
- error(node.name, ts.Diagnostics.All_declarations_of_0_must_have_identical_modifiers, ts.declarationNameToString(node.name));
- }
- }
- }
- else {
- // Node is a secondary declaration, check that type is identical to primary declaration and check that
- // initializer is consistent with type associated with the node
- var declarationType = convertAutoToAny(getWidenedTypeForVariableLikeDeclaration(node));
- if (type !== errorType && declarationType !== errorType &&
- !isTypeIdenticalTo(type, declarationType) &&
- !(symbol.flags & 67108864 /* Assignment */)) {
- errorNextVariableOrPropertyDeclarationMustHaveSameType(symbol.valueDeclaration, type, node, declarationType);
- }
- if (node.initializer) {
- checkTypeAssignableToAndOptionallyElaborate(checkExpressionCached(node.initializer), declarationType, node, node.initializer, /*headMessage*/ undefined);
- }
- if (!areDeclarationFlagsIdentical(node, symbol.valueDeclaration)) {
- error(node.name, ts.Diagnostics.All_declarations_of_0_must_have_identical_modifiers, ts.declarationNameToString(node.name));
- }
- }
- if (node.kind !== 159 /* PropertyDeclaration */ && node.kind !== 158 /* PropertySignature */) {
- // We know we don't have a binding pattern or computed name here
- checkExportsOnMergedDeclarations(node);
- if (node.kind === 242 /* VariableDeclaration */ || node.kind === 191 /* BindingElement */) {
- checkVarDeclaredNamesNotShadowed(node);
- }
- checkCollisionWithRequireExportsInGeneratedCode(node, node.name);
- checkCollisionWithGlobalPromiseInGeneratedCode(node, node.name);
- if (!compilerOptions.noEmit && languageVersion < 99 /* ESNext */ && needCollisionCheckForIdentifier(node, node.name, "WeakMap")) {
- potentialWeakMapCollisions.push(node);
- }
- }
- }
- function errorNextVariableOrPropertyDeclarationMustHaveSameType(firstDeclaration, firstType, nextDeclaration, nextType) {
- var nextDeclarationName = ts.getNameOfDeclaration(nextDeclaration);
- var message = nextDeclaration.kind === 159 /* PropertyDeclaration */ || nextDeclaration.kind === 158 /* PropertySignature */
- ? ts.Diagnostics.Subsequent_property_declarations_must_have_the_same_type_Property_0_must_be_of_type_1_but_here_has_type_2
- : ts.Diagnostics.Subsequent_variable_declarations_must_have_the_same_type_Variable_0_must_be_of_type_1_but_here_has_type_2;
- var declName = ts.declarationNameToString(nextDeclarationName);
- var err = error(nextDeclarationName, message, declName, typeToString(firstType), typeToString(nextType));
- if (firstDeclaration) {
- ts.addRelatedInfo(err, ts.createDiagnosticForNode(firstDeclaration, ts.Diagnostics._0_was_also_declared_here, declName));
- }
- }
- function areDeclarationFlagsIdentical(left, right) {
- if ((left.kind === 156 /* Parameter */ && right.kind === 242 /* VariableDeclaration */) ||
- (left.kind === 242 /* VariableDeclaration */ && right.kind === 156 /* Parameter */)) {
- // Differences in optionality between parameters and variables are allowed.
- return true;
- }
- if (ts.hasQuestionToken(left) !== ts.hasQuestionToken(right)) {
- return false;
- }
- var interestingFlags = 8 /* Private */ |
- 16 /* Protected */ |
- 256 /* Async */ |
- 128 /* Abstract */ |
- 64 /* Readonly */ |
- 32 /* Static */;
- return ts.getSelectedModifierFlags(left, interestingFlags) === ts.getSelectedModifierFlags(right, interestingFlags);
- }
- function checkVariableDeclaration(node) {
- checkGrammarVariableDeclaration(node);
- return checkVariableLikeDeclaration(node);
- }
- function checkBindingElement(node) {
- checkGrammarBindingElement(node);
- return checkVariableLikeDeclaration(node);
- }
- function checkVariableStatement(node) {
- // Grammar checking
- if (!checkGrammarDecoratorsAndModifiers(node) && !checkGrammarVariableDeclarationList(node.declarationList))
- checkGrammarForDisallowedLetOrConstStatement(node);
- ts.forEach(node.declarationList.declarations, checkSourceElement);
- }
- function checkExpressionStatement(node) {
- // Grammar checking
- checkGrammarStatementInAmbientContext(node);
- checkExpression(node.expression);
- }
- function checkIfStatement(node) {
- // Grammar checking
- checkGrammarStatementInAmbientContext(node);
- var type = checkTruthinessExpression(node.expression);
- checkTestingKnownTruthyCallableType(node.expression, node.thenStatement, type);
- checkSourceElement(node.thenStatement);
- if (node.thenStatement.kind === 224 /* EmptyStatement */) {
- error(node.thenStatement, ts.Diagnostics.The_body_of_an_if_statement_cannot_be_the_empty_statement);
- }
- checkSourceElement(node.elseStatement);
- }
- function checkTestingKnownTruthyCallableType(condExpr, body, type) {
- if (!strictNullChecks) {
- return;
- }
- var testedNode = ts.isIdentifier(condExpr)
- ? condExpr
- : ts.isPropertyAccessExpression(condExpr)
- ? condExpr.name
- : undefined;
- if (!testedNode) {
- return;
- }
- var possiblyFalsy = getFalsyFlags(type);
- if (possiblyFalsy) {
- return;
- }
- // While it technically should be invalid for any known-truthy value
- // to be tested, we de-scope to functions unrefenced in the block as a
- // heuristic to identify the most common bugs. There are too many
- // false positives for values sourced from type definitions without
- // strictNullChecks otherwise.
- var callSignatures = getSignaturesOfType(type, 0 /* Call */);
- if (callSignatures.length === 0) {
- return;
- }
- var testedFunctionSymbol = getSymbolAtLocation(testedNode);
- if (!testedFunctionSymbol) {
- return;
- }
- var functionIsUsedInBody = ts.forEachChild(body, function check(childNode) {
- if (ts.isIdentifier(childNode)) {
- var childSymbol = getSymbolAtLocation(childNode);
- if (childSymbol && childSymbol === testedFunctionSymbol) {
- // If the test was a simple identifier, the above check is sufficient
- if (ts.isIdentifier(condExpr)) {
- return true;
- }
- // Otherwise we need to ensure the symbol is called on the same target
- var testedExpression = testedNode.parent;
- var childExpression = childNode.parent;
- while (testedExpression && childExpression) {
- if (ts.isIdentifier(testedExpression) && ts.isIdentifier(childExpression) ||
- testedExpression.kind === 104 /* ThisKeyword */ && childExpression.kind === 104 /* ThisKeyword */) {
- return getSymbolAtLocation(testedExpression) === getSymbolAtLocation(childExpression);
- }
- if (ts.isPropertyAccessExpression(testedExpression) && ts.isPropertyAccessExpression(childExpression)) {
- if (getSymbolAtLocation(testedExpression.name) !== getSymbolAtLocation(childExpression.name)) {
- return false;
- }
- childExpression = childExpression.expression;
- testedExpression = testedExpression.expression;
- }
- else {
- return false;
- }
- }
- }
- }
- return ts.forEachChild(childNode, check);
- });
- if (!functionIsUsedInBody) {
- error(condExpr, ts.Diagnostics.This_condition_will_always_return_true_since_the_function_is_always_defined_Did_you_mean_to_call_it_instead);
- }
- }
- function checkDoStatement(node) {
- // Grammar checking
- checkGrammarStatementInAmbientContext(node);
- checkSourceElement(node.statement);
- checkTruthinessExpression(node.expression);
- }
- function checkWhileStatement(node) {
- // Grammar checking
- checkGrammarStatementInAmbientContext(node);
- checkTruthinessExpression(node.expression);
- checkSourceElement(node.statement);
- }
- function checkTruthinessOfType(type, node) {
- if (type.flags & 16384 /* Void */) {
- error(node, ts.Diagnostics.An_expression_of_type_void_cannot_be_tested_for_truthiness);
- }
- return type;
- }
- function checkTruthinessExpression(node, checkMode) {
- return checkTruthinessOfType(checkExpression(node, checkMode), node);
- }
- function checkForStatement(node) {
- // Grammar checking
- if (!checkGrammarStatementInAmbientContext(node)) {
- if (node.initializer && node.initializer.kind === 243 /* VariableDeclarationList */) {
- checkGrammarVariableDeclarationList(node.initializer);
- }
- }
- if (node.initializer) {
- if (node.initializer.kind === 243 /* VariableDeclarationList */) {
- ts.forEach(node.initializer.declarations, checkVariableDeclaration);
- }
- else {
- checkExpression(node.initializer);
- }
- }
- if (node.condition)
- checkTruthinessExpression(node.condition);
- if (node.incrementor)
- checkExpression(node.incrementor);
- checkSourceElement(node.statement);
- if (node.locals) {
- registerForUnusedIdentifiersCheck(node);
- }
- }
- function checkForOfStatement(node) {
- checkGrammarForInOrForOfStatement(node);
- if (node.awaitModifier) {
- var functionFlags = ts.getFunctionFlags(ts.getContainingFunction(node));
- if ((functionFlags & (4 /* Invalid */ | 2 /* Async */)) === 2 /* Async */ && languageVersion < 99 /* ESNext */) {
- // for..await..of in an async function or async generator function prior to ESNext requires the __asyncValues helper
- checkExternalEmitHelpers(node, 32768 /* ForAwaitOfIncludes */);
- }
- }
- else if (compilerOptions.downlevelIteration && languageVersion < 2 /* ES2015 */) {
- // for..of prior to ES2015 requires the __values helper when downlevelIteration is enabled
- checkExternalEmitHelpers(node, 256 /* ForOfIncludes */);
- }
- // Check the LHS and RHS
- // If the LHS is a declaration, just check it as a variable declaration, which will in turn check the RHS
- // via checkRightHandSideOfForOf.
- // If the LHS is an expression, check the LHS, as a destructuring assignment or as a reference.
- // Then check that the RHS is assignable to it.
- if (node.initializer.kind === 243 /* VariableDeclarationList */) {
- checkForInOrForOfVariableDeclaration(node);
- }
- else {
- var varExpr = node.initializer;
- var iteratedType = checkRightHandSideOfForOf(node);
- // There may be a destructuring assignment on the left side
- if (varExpr.kind === 192 /* ArrayLiteralExpression */ || varExpr.kind === 193 /* ObjectLiteralExpression */) {
- // iteratedType may be undefined. In this case, we still want to check the structure of
- // varExpr, in particular making sure it's a valid LeftHandSideExpression. But we'd like
- // to short circuit the type relation checking as much as possible, so we pass the unknownType.
- checkDestructuringAssignment(varExpr, iteratedType || errorType);
- }
- else {
- var leftType = checkExpression(varExpr);
- checkReferenceExpression(varExpr, ts.Diagnostics.The_left_hand_side_of_a_for_of_statement_must_be_a_variable_or_a_property_access, ts.Diagnostics.The_left_hand_side_of_a_for_of_statement_may_not_be_an_optional_property_access);
- // iteratedType will be undefined if the rightType was missing properties/signatures
- // required to get its iteratedType (like [Symbol.iterator] or next). This may be
- // because we accessed properties from anyType, or it may have led to an error inside
- // getElementTypeOfIterable.
- if (iteratedType) {
- checkTypeAssignableToAndOptionallyElaborate(iteratedType, leftType, varExpr, node.expression);
- }
- }
- }
- checkSourceElement(node.statement);
- if (node.locals) {
- registerForUnusedIdentifiersCheck(node);
- }
- }
- function checkForInStatement(node) {
- // Grammar checking
- checkGrammarForInOrForOfStatement(node);
- var rightType = getNonNullableTypeIfNeeded(checkExpression(node.expression));
- // TypeScript 1.0 spec (April 2014): 5.4
- // In a 'for-in' statement of the form
- // for (let VarDecl in Expr) Statement
- // VarDecl must be a variable declaration without a type annotation that declares a variable of type Any,
- // and Expr must be an expression of type Any, an object type, or a type parameter type.
- if (node.initializer.kind === 243 /* VariableDeclarationList */) {
- var variable = node.initializer.declarations[0];
- if (variable && ts.isBindingPattern(variable.name)) {
- error(variable.name, ts.Diagnostics.The_left_hand_side_of_a_for_in_statement_cannot_be_a_destructuring_pattern);
- }
- checkForInOrForOfVariableDeclaration(node);
- }
- else {
- // In a 'for-in' statement of the form
- // for (Var in Expr) Statement
- // Var must be an expression classified as a reference of type Any or the String primitive type,
- // and Expr must be an expression of type Any, an object type, or a type parameter type.
- var varExpr = node.initializer;
- var leftType = checkExpression(varExpr);
- if (varExpr.kind === 192 /* ArrayLiteralExpression */ || varExpr.kind === 193 /* ObjectLiteralExpression */) {
- error(varExpr, ts.Diagnostics.The_left_hand_side_of_a_for_in_statement_cannot_be_a_destructuring_pattern);
- }
- else if (!isTypeAssignableTo(getIndexTypeOrString(rightType), leftType)) {
- error(varExpr, ts.Diagnostics.The_left_hand_side_of_a_for_in_statement_must_be_of_type_string_or_any);
- }
- else {
- // run check only former check succeeded to avoid cascading errors
- checkReferenceExpression(varExpr, ts.Diagnostics.The_left_hand_side_of_a_for_in_statement_must_be_a_variable_or_a_property_access, ts.Diagnostics.The_left_hand_side_of_a_for_in_statement_may_not_be_an_optional_property_access);
- }
- }
- // unknownType is returned i.e. if node.expression is identifier whose name cannot be resolved
- // in this case error about missing name is already reported - do not report extra one
- if (rightType === neverType || !isTypeAssignableToKind(rightType, 67108864 /* NonPrimitive */ | 58982400 /* InstantiableNonPrimitive */)) {
- error(node.expression, ts.Diagnostics.The_right_hand_side_of_a_for_in_statement_must_be_of_type_any_an_object_type_or_a_type_parameter_but_here_has_type_0, typeToString(rightType));
- }
- checkSourceElement(node.statement);
- if (node.locals) {
- registerForUnusedIdentifiersCheck(node);
- }
- }
- function checkForInOrForOfVariableDeclaration(iterationStatement) {
- var variableDeclarationList = iterationStatement.initializer;
- // checkGrammarForInOrForOfStatement will check that there is exactly one declaration.
- if (variableDeclarationList.declarations.length >= 1) {
- var decl = variableDeclarationList.declarations[0];
- checkVariableDeclaration(decl);
- }
- }
- function checkRightHandSideOfForOf(statement) {
- var use = statement.awaitModifier ? 15 /* ForAwaitOf */ : 13 /* ForOf */;
- return checkIteratedTypeOrElementType(use, checkNonNullExpression(statement.expression), undefinedType, statement.expression);
- }
- function checkIteratedTypeOrElementType(use, inputType, sentType, errorNode) {
- if (isTypeAny(inputType)) {
- return inputType;
- }
- return getIteratedTypeOrElementType(use, inputType, sentType, errorNode, /*checkAssignability*/ true) || anyType;
- }
- /**
- * When consuming an iterable type in a for..of, spread, or iterator destructuring assignment
- * we want to get the iterated type of an iterable for ES2015 or later, or the iterated type
- * of a iterable (if defined globally) or element type of an array like for ES2015 or earlier.
- */
- function getIteratedTypeOrElementType(use, inputType, sentType, errorNode, checkAssignability) {
- var allowAsyncIterables = (use & 2 /* AllowsAsyncIterablesFlag */) !== 0;
- if (inputType === neverType) {
- reportTypeNotIterableError(errorNode, inputType, allowAsyncIterables); // TODO: GH#18217
- return undefined;
- }
- var uplevelIteration = languageVersion >= 2 /* ES2015 */;
- var downlevelIteration = !uplevelIteration && compilerOptions.downlevelIteration;
- // Get the iterated type of an `Iterable<T>` or `IterableIterator<T>` only in ES2015
- // or higher, when inside of an async generator or for-await-if, or when
- // downlevelIteration is requested.
- if (uplevelIteration || downlevelIteration || allowAsyncIterables) {
- // We only report errors for an invalid iterable type in ES2015 or higher.
- var iterationTypes = getIterationTypesOfIterable(inputType, use, uplevelIteration ? errorNode : undefined);
- if (checkAssignability) {
- if (iterationTypes) {
- var diagnostic = use & 8 /* ForOfFlag */ ? ts.Diagnostics.Cannot_iterate_value_because_the_next_method_of_its_iterator_expects_type_1_but_for_of_will_always_send_0 :
- use & 32 /* SpreadFlag */ ? ts.Diagnostics.Cannot_iterate_value_because_the_next_method_of_its_iterator_expects_type_1_but_array_spread_will_always_send_0 :
- use & 64 /* DestructuringFlag */ ? ts.Diagnostics.Cannot_iterate_value_because_the_next_method_of_its_iterator_expects_type_1_but_array_destructuring_will_always_send_0 :
- use & 16 /* YieldStarFlag */ ? ts.Diagnostics.Cannot_delegate_iteration_to_value_because_the_next_method_of_its_iterator_expects_type_1_but_the_containing_generator_will_always_send_0 :
- undefined;
- if (diagnostic) {
- checkTypeAssignableTo(sentType, iterationTypes.nextType, errorNode, diagnostic);
- }
- }
- }
- if (iterationTypes || uplevelIteration) {
- return iterationTypes && iterationTypes.yieldType;
- }
- }
- var arrayType = inputType;
- var reportedError = false;
- var hasStringConstituent = false;
- // If strings are permitted, remove any string-like constituents from the array type.
- // This allows us to find other non-string element types from an array unioned with
- // a string.
- if (use & 4 /* AllowsStringInputFlag */) {
- if (arrayType.flags & 1048576 /* Union */) {
- // After we remove all types that are StringLike, we will know if there was a string constituent
- // based on whether the result of filter is a new array.
- var arrayTypes = inputType.types;
- var filteredTypes = ts.filter(arrayTypes, function (t) { return !(t.flags & 132 /* StringLike */); });
- if (filteredTypes !== arrayTypes) {
- arrayType = getUnionType(filteredTypes, 2 /* Subtype */);
- }
- }
- else if (arrayType.flags & 132 /* StringLike */) {
- arrayType = neverType;
- }
- hasStringConstituent = arrayType !== inputType;
- if (hasStringConstituent) {
- if (languageVersion < 1 /* ES5 */) {
- if (errorNode) {
- error(errorNode, ts.Diagnostics.Using_a_string_in_a_for_of_statement_is_only_supported_in_ECMAScript_5_and_higher);
- reportedError = true;
- }
- }
- // Now that we've removed all the StringLike types, if no constituents remain, then the entire
- // arrayOrStringType was a string.
- if (arrayType.flags & 131072 /* Never */) {
- return stringType;
- }
- }
- }
- if (!isArrayLikeType(arrayType)) {
- if (errorNode && !reportedError) {
- // Which error we report depends on whether we allow strings or if there was a
- // string constituent. For example, if the input type is number | string, we
- // want to say that number is not an array type. But if the input was just
- // number and string input is allowed, we want to say that number is not an
- // array type or a string type.
- var yieldType = getIterationTypeOfIterable(use, 0 /* Yield */, inputType, /*errorNode*/ undefined);
- var _a = !(use & 4 /* AllowsStringInputFlag */) || hasStringConstituent
- ? downlevelIteration
- ? [ts.Diagnostics.Type_0_is_not_an_array_type_or_does_not_have_a_Symbol_iterator_method_that_returns_an_iterator, true]
- : yieldType
- ? [ts.Diagnostics.Type_0_is_not_an_array_type_or_a_string_type_Use_compiler_option_downlevelIteration_to_allow_iterating_of_iterators, false]
- : [ts.Diagnostics.Type_0_is_not_an_array_type, true]
- : downlevelIteration
- ? [ts.Diagnostics.Type_0_is_not_an_array_type_or_a_string_type_or_does_not_have_a_Symbol_iterator_method_that_returns_an_iterator, true]
- : yieldType
- ? [ts.Diagnostics.Type_0_is_not_an_array_type_or_a_string_type_Use_compiler_option_downlevelIteration_to_allow_iterating_of_iterators, false]
- : [ts.Diagnostics.Type_0_is_not_an_array_type_or_a_string_type, true], defaultDiagnostic = _a[0], maybeMissingAwait = _a[1];
- errorAndMaybeSuggestAwait(errorNode, maybeMissingAwait && !!getAwaitedTypeOfPromise(arrayType), defaultDiagnostic, typeToString(arrayType));
- }
- return hasStringConstituent ? stringType : undefined;
- }
- var arrayElementType = getIndexTypeOfType(arrayType, 1 /* Number */);
- if (hasStringConstituent && arrayElementType) {
- // This is just an optimization for the case where arrayOrStringType is string | string[]
- if (arrayElementType.flags & 132 /* StringLike */) {
- return stringType;
- }
- return getUnionType([arrayElementType, stringType], 2 /* Subtype */);
- }
- return arrayElementType;
- }
- /**
- * Gets the requested "iteration type" from an `Iterable`-like or `AsyncIterable`-like type.
- */
- function getIterationTypeOfIterable(use, typeKind, inputType, errorNode) {
- if (isTypeAny(inputType)) {
- return undefined;
- }
- var iterationTypes = getIterationTypesOfIterable(inputType, use, errorNode);
- return iterationTypes && iterationTypes[getIterationTypesKeyFromIterationTypeKind(typeKind)];
- }
- function createIterationTypes(yieldType, returnType, nextType) {
- // `yieldType` and `returnType` are defaulted to `neverType` they each will be combined
- // via `getUnionType` when merging iteration types. `nextType` is defined as `unknownType`
- // as it is combined via `getIntersectionType` when merging iteration types.
- if (yieldType === void 0) { yieldType = neverType; }
- if (returnType === void 0) { returnType = neverType; }
- if (nextType === void 0) { nextType = unknownType; }
- // Use the cache only for intrinsic types to keep it small as they are likely to be
- // more frequently created (i.e. `Iterator<number, void, unknown>`). Iteration types
- // are also cached on the type they are requested for, so we shouldn't need to maintain
- // the cache for less-frequently used types.
- if (yieldType.flags & 67359327 /* Intrinsic */ &&
- returnType.flags & (1 /* Any */ | 131072 /* Never */ | 2 /* Unknown */ | 16384 /* Void */ | 32768 /* Undefined */) &&
- nextType.flags & (1 /* Any */ | 131072 /* Never */ | 2 /* Unknown */ | 16384 /* Void */ | 32768 /* Undefined */)) {
- var id = getTypeListId([yieldType, returnType, nextType]);
- var iterationTypes = iterationTypesCache.get(id);
- if (!iterationTypes) {
- iterationTypes = { yieldType: yieldType, returnType: returnType, nextType: nextType };
- iterationTypesCache.set(id, iterationTypes);
- }
- return iterationTypes;
- }
- return { yieldType: yieldType, returnType: returnType, nextType: nextType };
- }
- /**
- * Combines multiple `IterationTypes` records.
- *
- * If `array` is empty or all elements are missing or are references to `noIterationTypes`,
- * then `noIterationTypes` is returned. Otherwise, an `IterationTypes` record is returned
- * for the combined iteration types.
- */
- function combineIterationTypes(array) {
- var yieldTypes;
- var returnTypes;
- var nextTypes;
- for (var _i = 0, array_10 = array; _i < array_10.length; _i++) {
- var iterationTypes = array_10[_i];
- if (iterationTypes === undefined || iterationTypes === noIterationTypes) {
- continue;
- }
- if (iterationTypes === anyIterationTypes) {
- return anyIterationTypes;
- }
- yieldTypes = ts.append(yieldTypes, iterationTypes.yieldType);
- returnTypes = ts.append(returnTypes, iterationTypes.returnType);
- nextTypes = ts.append(nextTypes, iterationTypes.nextType);
- }
- if (yieldTypes || returnTypes || nextTypes) {
- return createIterationTypes(yieldTypes && getUnionType(yieldTypes), returnTypes && getUnionType(returnTypes), nextTypes && getIntersectionType(nextTypes));
- }
- return noIterationTypes;
- }
- function getCachedIterationTypes(type, cacheKey) {
- return type[cacheKey];
- }
- function setCachedIterationTypes(type, cacheKey, cachedTypes) {
- return type[cacheKey] = cachedTypes;
- }
- /**
- * Gets the *yield*, *return*, and *next* types from an `Iterable`-like or `AsyncIterable`-like type.
- *
- * At every level that involves analyzing return types of signatures, we union the return types of all the signatures.
- *
- * Another thing to note is that at any step of this process, we could run into a dead end,
- * meaning either the property is missing, or we run into the anyType. If either of these things
- * happens, we return `undefined` to signal that we could not find the iteration type. If a property
- * is missing, and the previous step did not result in `any`, then we also give an error if the
- * caller requested it. Then the caller can decide what to do in the case where there is no iterated
- * type.
- *
- * For a **for-of** statement, `yield*` (in a normal generator), spread, array
- * destructuring, or normal generator we will only ever look for a `[Symbol.iterator]()`
- * method.
- *
- * For an async generator we will only ever look at the `[Symbol.asyncIterator]()` method.
- *
- * For a **for-await-of** statement or a `yield*` in an async generator we will look for
- * the `[Symbol.asyncIterator]()` method first, and then the `[Symbol.iterator]()` method.
- */
- function getIterationTypesOfIterable(type, use, errorNode) {
- if (isTypeAny(type)) {
- return anyIterationTypes;
- }
- if (!(type.flags & 1048576 /* Union */)) {
- var iterationTypes_1 = getIterationTypesOfIterableWorker(type, use, errorNode);
- if (iterationTypes_1 === noIterationTypes) {
- if (errorNode) {
- reportTypeNotIterableError(errorNode, type, !!(use & 2 /* AllowsAsyncIterablesFlag */));
- }
- return undefined;
- }
- return iterationTypes_1;
- }
- var cacheKey = use & 2 /* AllowsAsyncIterablesFlag */ ? "iterationTypesOfAsyncIterable" : "iterationTypesOfIterable";
- var cachedTypes = getCachedIterationTypes(type, cacheKey);
- if (cachedTypes)
- return cachedTypes === noIterationTypes ? undefined : cachedTypes;
- var allIterationTypes;
- for (var _i = 0, _a = type.types; _i < _a.length; _i++) {
- var constituent = _a[_i];
- var iterationTypes_2 = getIterationTypesOfIterableWorker(constituent, use, errorNode);
- if (iterationTypes_2 === noIterationTypes) {
- if (errorNode) {
- reportTypeNotIterableError(errorNode, type, !!(use & 2 /* AllowsAsyncIterablesFlag */));
- errorNode = undefined;
- }
- }
- else {
- allIterationTypes = ts.append(allIterationTypes, iterationTypes_2);
- }
- }
- var iterationTypes = allIterationTypes ? combineIterationTypes(allIterationTypes) : noIterationTypes;
- setCachedIterationTypes(type, cacheKey, iterationTypes);
- return iterationTypes === noIterationTypes ? undefined : iterationTypes;
- }
- function getAsyncFromSyncIterationTypes(iterationTypes, errorNode) {
- if (iterationTypes === noIterationTypes)
- return noIterationTypes;
- if (iterationTypes === anyIterationTypes)
- return anyIterationTypes;
- var yieldType = iterationTypes.yieldType, returnType = iterationTypes.returnType, nextType = iterationTypes.nextType;
- return createIterationTypes(getAwaitedType(yieldType, errorNode) || anyType, getAwaitedType(returnType, errorNode) || anyType, nextType);
- }
- /**
- * Gets the *yield*, *return*, and *next* types from a non-union type.
- *
- * If we are unable to find the *yield*, *return*, and *next* types, `noIterationTypes` is
- * returned to indicate to the caller that it should report an error. Otherwise, an
- * `IterationTypes` record is returned.
- *
- * NOTE: You probably don't want to call this directly and should be calling
- * `getIterationTypesOfIterable` instead.
- */
- function getIterationTypesOfIterableWorker(type, use, errorNode) {
- if (isTypeAny(type)) {
- return anyIterationTypes;
- }
- if (use & 2 /* AllowsAsyncIterablesFlag */) {
- var iterationTypes = getIterationTypesOfIterableCached(type, asyncIterationTypesResolver) ||
- getIterationTypesOfIterableFast(type, asyncIterationTypesResolver);
- if (iterationTypes) {
- return iterationTypes;
- }
- }
- if (use & 1 /* AllowsSyncIterablesFlag */) {
- var iterationTypes = getIterationTypesOfIterableCached(type, syncIterationTypesResolver) ||
- getIterationTypesOfIterableFast(type, syncIterationTypesResolver);
- if (iterationTypes) {
- if (use & 2 /* AllowsAsyncIterablesFlag */) {
- // for a sync iterable in an async context, only use the cached types if they are valid.
- if (iterationTypes !== noIterationTypes) {
- return setCachedIterationTypes(type, "iterationTypesOfAsyncIterable", getAsyncFromSyncIterationTypes(iterationTypes, errorNode));
- }
- }
- else {
- return iterationTypes;
- }
- }
- }
- if (use & 2 /* AllowsAsyncIterablesFlag */) {
- var iterationTypes = getIterationTypesOfIterableSlow(type, asyncIterationTypesResolver, errorNode);
- if (iterationTypes !== noIterationTypes) {
- return iterationTypes;
- }
- }
- if (use & 1 /* AllowsSyncIterablesFlag */) {
- var iterationTypes = getIterationTypesOfIterableSlow(type, syncIterationTypesResolver, errorNode);
- if (iterationTypes !== noIterationTypes) {
- if (use & 2 /* AllowsAsyncIterablesFlag */) {
- return setCachedIterationTypes(type, "iterationTypesOfAsyncIterable", iterationTypes
- ? getAsyncFromSyncIterationTypes(iterationTypes, errorNode)
- : noIterationTypes);
- }
- else {
- return iterationTypes;
- }
- }
- }
- return noIterationTypes;
- }
- /**
- * Gets the *yield*, *return*, and *next* types of an `Iterable`-like or
- * `AsyncIterable`-like type from the cache.
- *
- * NOTE: You probably don't want to call this directly and should be calling
- * `getIterationTypesOfIterable` instead.
- */
- function getIterationTypesOfIterableCached(type, resolver) {
- return getCachedIterationTypes(type, resolver.iterableCacheKey);
- }
- function getIterationTypesOfGlobalIterableType(globalType, resolver) {
- var globalIterationTypes = getIterationTypesOfIterableCached(globalType, resolver) ||
- getIterationTypesOfIterableSlow(globalType, resolver, /*errorNode*/ undefined);
- return globalIterationTypes === noIterationTypes ? defaultIterationTypes : globalIterationTypes;
- }
- /**
- * Gets the *yield*, *return*, and *next* types of an `Iterable`-like or `AsyncIterable`-like
- * type from from common heuristics.
- *
- * If we previously analyzed this type and found no iteration types, `noIterationTypes` is
- * returned. If we found iteration types, an `IterationTypes` record is returned.
- * Otherwise, we return `undefined` to indicate to the caller it should perform a more
- * exhaustive analysis.
- *
- * NOTE: You probably don't want to call this directly and should be calling
- * `getIterationTypesOfIterable` instead.
- */
- function getIterationTypesOfIterableFast(type, resolver) {
- // As an optimization, if the type is an instantiation of one of the following global types, then
- // just grab its related type argument:
- // - `Iterable<T>` or `AsyncIterable<T>`
- // - `IterableIterator<T>` or `AsyncIterableIterator<T>`
- var globalType;
- if (isReferenceToType(type, globalType = resolver.getGlobalIterableType(/*reportErrors*/ false)) ||
- isReferenceToType(type, globalType = resolver.getGlobalIterableIteratorType(/*reportErrors*/ false))) {
- var yieldType = getTypeArguments(type)[0];
- // The "return" and "next" types of `Iterable` and `IterableIterator` are defined by the
- // iteration types of their `[Symbol.iterator]()` method. The same is true for their async cousins.
- // While we define these as `any` and `undefined` in our libs by default, a custom lib *could* use
- // different definitions.
- var _a = getIterationTypesOfGlobalIterableType(globalType, resolver), returnType = _a.returnType, nextType = _a.nextType;
- return setCachedIterationTypes(type, resolver.iterableCacheKey, createIterationTypes(yieldType, returnType, nextType));
- }
- // As an optimization, if the type is an instantiation of the following global type, then
- // just grab its related type arguments:
- // - `Generator<T, TReturn, TNext>` or `AsyncGenerator<T, TReturn, TNext>`
- if (isReferenceToType(type, resolver.getGlobalGeneratorType(/*reportErrors*/ false))) {
- var _b = getTypeArguments(type), yieldType = _b[0], returnType = _b[1], nextType = _b[2];
- return setCachedIterationTypes(type, resolver.iterableCacheKey, createIterationTypes(yieldType, returnType, nextType));
- }
- }
- /**
- * Gets the *yield*, *return*, and *next* types of an `Iterable`-like or `AsyncIterable`-like
- * type from its members.
- *
- * If we successfully found the *yield*, *return*, and *next* types, an `IterationTypes`
- * record is returned. Otherwise, `noIterationTypes` is returned.
- *
- * NOTE: You probably don't want to call this directly and should be calling
- * `getIterationTypesOfIterable` instead.
- */
- function getIterationTypesOfIterableSlow(type, resolver, errorNode) {
- var _a;
- var method = getPropertyOfType(type, ts.getPropertyNameForKnownSymbolName(resolver.iteratorSymbolName));
- var methodType = method && !(method.flags & 16777216 /* Optional */) ? getTypeOfSymbol(method) : undefined;
- if (isTypeAny(methodType)) {
- return setCachedIterationTypes(type, resolver.iterableCacheKey, anyIterationTypes);
- }
- var signatures = methodType ? getSignaturesOfType(methodType, 0 /* Call */) : undefined;
- if (!ts.some(signatures)) {
- return setCachedIterationTypes(type, resolver.iterableCacheKey, noIterationTypes);
- }
- var iteratorType = getUnionType(ts.map(signatures, getReturnTypeOfSignature), 2 /* Subtype */);
- var iterationTypes = (_a = getIterationTypesOfIterator(iteratorType, resolver, errorNode)) !== null && _a !== void 0 ? _a : noIterationTypes;
- return setCachedIterationTypes(type, resolver.iterableCacheKey, iterationTypes);
- }
- function reportTypeNotIterableError(errorNode, type, allowAsyncIterables) {
- var message = allowAsyncIterables
- ? ts.Diagnostics.Type_0_must_have_a_Symbol_asyncIterator_method_that_returns_an_async_iterator
- : ts.Diagnostics.Type_0_must_have_a_Symbol_iterator_method_that_returns_an_iterator;
- errorAndMaybeSuggestAwait(errorNode, !!getAwaitedTypeOfPromise(type), message, typeToString(type));
- }
- /**
- * Gets the *yield*, *return*, and *next* types from an `Iterator`-like or `AsyncIterator`-like type.
- *
- * If we successfully found the *yield*, *return*, and *next* types, an `IterationTypes`
- * record is returned. Otherwise, `undefined` is returned.
- */
- function getIterationTypesOfIterator(type, resolver, errorNode) {
- if (isTypeAny(type)) {
- return anyIterationTypes;
- }
- var iterationTypes = getIterationTypesOfIteratorCached(type, resolver) ||
- getIterationTypesOfIteratorFast(type, resolver) ||
- getIterationTypesOfIteratorSlow(type, resolver, errorNode);
- return iterationTypes === noIterationTypes ? undefined : iterationTypes;
- }
- /**
- * Gets the iteration types of an `Iterator`-like or `AsyncIterator`-like type from the
- * cache.
- *
- * NOTE: You probably don't want to call this directly and should be calling
- * `getIterationTypesOfIterator` instead.
- */
- function getIterationTypesOfIteratorCached(type, resolver) {
- return getCachedIterationTypes(type, resolver.iteratorCacheKey);
- }
- /**
- * Gets the iteration types of an `Iterator`-like or `AsyncIterator`-like type from the
- * cache or from common heuristics.
- *
- * If we previously analyzed this type and found no iteration types, `noIterationTypes` is
- * returned. If we found iteration types, an `IterationTypes` record is returned.
- * Otherwise, we return `undefined` to indicate to the caller it should perform a more
- * exhaustive analysis.
- *
- * NOTE: You probably don't want to call this directly and should be calling
- * `getIterationTypesOfIterator` instead.
- */
- function getIterationTypesOfIteratorFast(type, resolver) {
- // As an optimization, if the type is an instantiation of one of the following global types,
- // then just grab its related type argument:
- // - `IterableIterator<T>` or `AsyncIterableIterator<T>`
- // - `Iterator<T, TReturn, TNext>` or `AsyncIterator<T, TReturn, TNext>`
- // - `Generator<T, TReturn, TNext>` or `AsyncGenerator<T, TReturn, TNext>`
- var globalType = resolver.getGlobalIterableIteratorType(/*reportErrors*/ false);
- if (isReferenceToType(type, globalType)) {
- var yieldType = getTypeArguments(type)[0];
- // The "return" and "next" types of `IterableIterator` and `AsyncIterableIterator` are defined by the
- // iteration types of their `next`, `return`, and `throw` methods. While we define these as `any`
- // and `undefined` in our libs by default, a custom lib *could* use different definitions.
- var globalIterationTypes = getIterationTypesOfIteratorCached(globalType, resolver) ||
- getIterationTypesOfIteratorSlow(globalType, resolver, /*errorNode*/ undefined);
- var _a = globalIterationTypes === noIterationTypes ? defaultIterationTypes : globalIterationTypes, returnType = _a.returnType, nextType = _a.nextType;
- return setCachedIterationTypes(type, resolver.iteratorCacheKey, createIterationTypes(yieldType, returnType, nextType));
- }
- if (isReferenceToType(type, resolver.getGlobalIteratorType(/*reportErrors*/ false)) ||
- isReferenceToType(type, resolver.getGlobalGeneratorType(/*reportErrors*/ false))) {
- var _b = getTypeArguments(type), yieldType = _b[0], returnType = _b[1], nextType = _b[2];
- return setCachedIterationTypes(type, resolver.iteratorCacheKey, createIterationTypes(yieldType, returnType, nextType));
- }
- }
- function isIteratorResult(type, kind) {
- // From https://tc39.github.io/ecma262/#sec-iteratorresult-interface:
- // > [done] is the result status of an iterator `next` method call. If the end of the iterator was reached `done` is `true`.
- // > If the end was not reached `done` is `false` and a value is available.
- // > If a `done` property (either own or inherited) does not exist, it is consider to have the value `false`.
- var doneType = getTypeOfPropertyOfType(type, "done") || falseType;
- return isTypeAssignableTo(kind === 0 /* Yield */ ? falseType : trueType, doneType);
- }
- function isYieldIteratorResult(type) {
- return isIteratorResult(type, 0 /* Yield */);
- }
- function isReturnIteratorResult(type) {
- return isIteratorResult(type, 1 /* Return */);
- }
- /**
- * Gets the *yield* and *return* types of an `IteratorResult`-like type.
- *
- * If we are unable to determine a *yield* or a *return* type, `noIterationTypes` is
- * returned to indicate to the caller that it should handle the error. Otherwise, an
- * `IterationTypes` record is returned.
- */
- function getIterationTypesOfIteratorResult(type) {
- if (isTypeAny(type)) {
- return anyIterationTypes;
- }
- var cachedTypes = getCachedIterationTypes(type, "iterationTypesOfIteratorResult");
- if (cachedTypes) {
- return cachedTypes;
- }
- // As an optimization, if the type is an instantiation of one of the global `IteratorYieldResult<T>`
- // or `IteratorReturnResult<TReturn>` types, then just grab its type argument.
- if (isReferenceToType(type, getGlobalIteratorYieldResultType(/*reportErrors*/ false))) {
- var yieldType_1 = getTypeArguments(type)[0];
- return setCachedIterationTypes(type, "iterationTypesOfIteratorResult", createIterationTypes(yieldType_1, /*returnType*/ undefined, /*nextType*/ undefined));
- }
- if (isReferenceToType(type, getGlobalIteratorReturnResultType(/*reportErrors*/ false))) {
- var returnType_1 = getTypeArguments(type)[0];
- return setCachedIterationTypes(type, "iterationTypesOfIteratorResult", createIterationTypes(/*yieldType*/ undefined, returnType_1, /*nextType*/ undefined));
- }
- // Choose any constituents that can produce the requested iteration type.
- var yieldIteratorResult = filterType(type, isYieldIteratorResult);
- var yieldType = yieldIteratorResult !== neverType ? getTypeOfPropertyOfType(yieldIteratorResult, "value") : undefined;
- var returnIteratorResult = filterType(type, isReturnIteratorResult);
- var returnType = returnIteratorResult !== neverType ? getTypeOfPropertyOfType(returnIteratorResult, "value") : undefined;
- if (!yieldType && !returnType) {
- return setCachedIterationTypes(type, "iterationTypesOfIteratorResult", noIterationTypes);
- }
- // From https://tc39.github.io/ecma262/#sec-iteratorresult-interface
- // > ... If the iterator does not have a return value, `value` is `undefined`. In that case, the
- // > `value` property may be absent from the conforming object if it does not inherit an explicit
- // > `value` property.
- return setCachedIterationTypes(type, "iterationTypesOfIteratorResult", createIterationTypes(yieldType, returnType || voidType, /*nextType*/ undefined));
- }
- /**
- * Gets the *yield*, *return*, and *next* types of a the `next()`, `return()`, or
- * `throw()` method of an `Iterator`-like or `AsyncIterator`-like type.
- *
- * If we successfully found the *yield*, *return*, and *next* types, an `IterationTypes`
- * record is returned. Otherwise, we return `undefined`.
- */
- function getIterationTypesOfMethod(type, resolver, methodName, errorNode) {
- var method = getPropertyOfType(type, methodName);
- // Ignore 'return' or 'throw' if they are missing.
- if (!method && methodName !== "next") {
- return undefined;
- }
- var methodType = method && !(methodName === "next" && (method.flags & 16777216 /* Optional */))
- ? methodName === "next" ? getTypeOfSymbol(method) : getTypeWithFacts(getTypeOfSymbol(method), 2097152 /* NEUndefinedOrNull */)
- : undefined;
- if (isTypeAny(methodType)) {
- // `return()` and `throw()` don't provide a *next* type.
- return methodName === "next" ? anyIterationTypes : anyIterationTypesExceptNext;
- }
- // Both async and non-async iterators *must* have a `next` method.
- var methodSignatures = methodType ? getSignaturesOfType(methodType, 0 /* Call */) : ts.emptyArray;
- if (methodSignatures.length === 0) {
- if (errorNode) {
- var diagnostic = methodName === "next"
- ? resolver.mustHaveANextMethodDiagnostic
- : resolver.mustBeAMethodDiagnostic;
- error(errorNode, diagnostic, methodName);
- }
- return methodName === "next" ? anyIterationTypes : undefined;
- }
- // Extract the first parameter and return type of each signature.
- var methodParameterTypes;
- var methodReturnTypes;
- for (var _i = 0, methodSignatures_1 = methodSignatures; _i < methodSignatures_1.length; _i++) {
- var signature = methodSignatures_1[_i];
- if (methodName !== "throw" && ts.some(signature.parameters)) {
- methodParameterTypes = ts.append(methodParameterTypes, getTypeAtPosition(signature, 0));
- }
- methodReturnTypes = ts.append(methodReturnTypes, getReturnTypeOfSignature(signature));
- }
- // Resolve the *next* or *return* type from the first parameter of a `next()` or
- // `return()` method, respectively.
- var returnTypes;
- var nextType;
- if (methodName !== "throw") {
- var methodParameterType = methodParameterTypes ? getUnionType(methodParameterTypes) : unknownType;
- if (methodName === "next") {
- // The value of `next(value)` is *not* awaited by async generators
- nextType = methodParameterType;
- }
- else if (methodName === "return") {
- // The value of `return(value)` *is* awaited by async generators
- var resolvedMethodParameterType = resolver.resolveIterationType(methodParameterType, errorNode) || anyType;
- returnTypes = ts.append(returnTypes, resolvedMethodParameterType);
- }
- }
- // Resolve the *yield* and *return* types from the return type of the method (i.e. `IteratorResult`)
- var yieldType;
- var methodReturnType = methodReturnTypes ? getUnionType(methodReturnTypes, 2 /* Subtype */) : neverType;
- var resolvedMethodReturnType = resolver.resolveIterationType(methodReturnType, errorNode) || anyType;
- var iterationTypes = getIterationTypesOfIteratorResult(resolvedMethodReturnType);
- if (iterationTypes === noIterationTypes) {
- if (errorNode) {
- error(errorNode, resolver.mustHaveAValueDiagnostic, methodName);
- }
- yieldType = anyType;
- returnTypes = ts.append(returnTypes, anyType);
- }
- else {
- yieldType = iterationTypes.yieldType;
- returnTypes = ts.append(returnTypes, iterationTypes.returnType);
- }
- return createIterationTypes(yieldType, getUnionType(returnTypes), nextType);
- }
- /**
- * Gets the *yield*, *return*, and *next* types of an `Iterator`-like or `AsyncIterator`-like
- * type from its members.
- *
- * If we successfully found the *yield*, *return*, and *next* types, an `IterationTypes`
- * record is returned. Otherwise, `noIterationTypes` is returned.
- *
- * NOTE: You probably don't want to call this directly and should be calling
- * `getIterationTypesOfIterator` instead.
- */
- function getIterationTypesOfIteratorSlow(type, resolver, errorNode) {
- var iterationTypes = combineIterationTypes([
- getIterationTypesOfMethod(type, resolver, "next", errorNode),
- getIterationTypesOfMethod(type, resolver, "return", errorNode),
- getIterationTypesOfMethod(type, resolver, "throw", errorNode),
- ]);
- return setCachedIterationTypes(type, resolver.iteratorCacheKey, iterationTypes);
- }
- /**
- * Gets the requested "iteration type" from a type that is either `Iterable`-like, `Iterator`-like,
- * `IterableIterator`-like, or `Generator`-like (for a non-async generator); or `AsyncIterable`-like,
- * `AsyncIterator`-like, `AsyncIterableIterator`-like, or `AsyncGenerator`-like (for an async generator).
- */
- function getIterationTypeOfGeneratorFunctionReturnType(kind, returnType, isAsyncGenerator) {
- if (isTypeAny(returnType)) {
- return undefined;
- }
- var iterationTypes = getIterationTypesOfGeneratorFunctionReturnType(returnType, isAsyncGenerator);
- return iterationTypes && iterationTypes[getIterationTypesKeyFromIterationTypeKind(kind)];
- }
- function getIterationTypesOfGeneratorFunctionReturnType(type, isAsyncGenerator) {
- if (isTypeAny(type)) {
- return anyIterationTypes;
- }
- var use = isAsyncGenerator ? 2 /* AsyncGeneratorReturnType */ : 1 /* GeneratorReturnType */;
- var resolver = isAsyncGenerator ? asyncIterationTypesResolver : syncIterationTypesResolver;
- return getIterationTypesOfIterable(type, use, /*errorNode*/ undefined) ||
- getIterationTypesOfIterator(type, resolver, /*errorNode*/ undefined);
- }
- function checkBreakOrContinueStatement(node) {
- // Grammar checking
- if (!checkGrammarStatementInAmbientContext(node))
- checkGrammarBreakOrContinueStatement(node);
- // TODO: Check that target label is valid
- }
- function unwrapReturnType(returnType, functionFlags) {
- var _a, _b;
- var isGenerator = !!(functionFlags & 1 /* Generator */);
- var isAsync = !!(functionFlags & 2 /* Async */);
- return isGenerator ? (_a = getIterationTypeOfGeneratorFunctionReturnType(1 /* Return */, returnType, isAsync)) !== null && _a !== void 0 ? _a : errorType :
- isAsync ? (_b = getAwaitedType(returnType)) !== null && _b !== void 0 ? _b : errorType :
- returnType;
- }
- function isUnwrappedReturnTypeVoidOrAny(func, returnType) {
- var unwrappedReturnType = unwrapReturnType(returnType, ts.getFunctionFlags(func));
- return !!unwrappedReturnType && maybeTypeOfKind(unwrappedReturnType, 16384 /* Void */ | 3 /* AnyOrUnknown */);
- }
- function checkReturnStatement(node) {
- var _a;
- // Grammar checking
- if (checkGrammarStatementInAmbientContext(node)) {
- return;
- }
- var func = ts.getContainingFunction(node);
- if (!func) {
- grammarErrorOnFirstToken(node, ts.Diagnostics.A_return_statement_can_only_be_used_within_a_function_body);
- return;
- }
- var signature = getSignatureFromDeclaration(func);
- var returnType = getReturnTypeOfSignature(signature);
- var functionFlags = ts.getFunctionFlags(func);
- if (strictNullChecks || node.expression || returnType.flags & 131072 /* Never */) {
- var exprType = node.expression ? checkExpressionCached(node.expression) : undefinedType;
- if (func.kind === 164 /* SetAccessor */) {
- if (node.expression) {
- error(node, ts.Diagnostics.Setters_cannot_return_a_value);
- }
- }
- else if (func.kind === 162 /* Constructor */) {
- if (node.expression && !checkTypeAssignableToAndOptionallyElaborate(exprType, returnType, node, node.expression)) {
- error(node, ts.Diagnostics.Return_type_of_constructor_signature_must_be_assignable_to_the_instance_type_of_the_class);
- }
- }
- else if (getReturnTypeFromAnnotation(func)) {
- var unwrappedReturnType = (_a = unwrapReturnType(returnType, functionFlags)) !== null && _a !== void 0 ? _a : returnType;
- var unwrappedExprType = functionFlags & 2 /* Async */
- ? checkAwaitedType(exprType, node, ts.Diagnostics.The_return_type_of_an_async_function_must_either_be_a_valid_promise_or_must_not_contain_a_callable_then_member)
- : exprType;
- if (unwrappedReturnType) {
- // If the function has a return type, but promisedType is
- // undefined, an error will be reported in checkAsyncFunctionReturnType
- // so we don't need to report one here.
- checkTypeAssignableToAndOptionallyElaborate(unwrappedExprType, unwrappedReturnType, node, node.expression);
- }
- }
- }
- else if (func.kind !== 162 /* Constructor */ && compilerOptions.noImplicitReturns && !isUnwrappedReturnTypeVoidOrAny(func, returnType)) {
- // The function has a return type, but the return statement doesn't have an expression.
- error(node, ts.Diagnostics.Not_all_code_paths_return_a_value);
- }
- }
- function checkWithStatement(node) {
- // Grammar checking for withStatement
- if (!checkGrammarStatementInAmbientContext(node)) {
- if (node.flags & 32768 /* AwaitContext */) {
- grammarErrorOnFirstToken(node, ts.Diagnostics.with_statements_are_not_allowed_in_an_async_function_block);
- }
- }
- checkExpression(node.expression);
- var sourceFile = ts.getSourceFileOfNode(node);
- if (!hasParseDiagnostics(sourceFile)) {
- var start = ts.getSpanOfTokenAtPosition(sourceFile, node.pos).start;
- var end = node.statement.pos;
- grammarErrorAtPos(sourceFile, start, end - start, ts.Diagnostics.The_with_statement_is_not_supported_All_symbols_in_a_with_block_will_have_type_any);
- }
- }
- function checkSwitchStatement(node) {
- // Grammar checking
- checkGrammarStatementInAmbientContext(node);
- var firstDefaultClause;
- var hasDuplicateDefaultClause = false;
- var expressionType = checkExpression(node.expression);
- var expressionIsLiteral = isLiteralType(expressionType);
- ts.forEach(node.caseBlock.clauses, function (clause) {
- // Grammar check for duplicate default clauses, skip if we already report duplicate default clause
- if (clause.kind === 278 /* DefaultClause */ && !hasDuplicateDefaultClause) {
- if (firstDefaultClause === undefined) {
- firstDefaultClause = clause;
- }
- else {
- grammarErrorOnNode(clause, ts.Diagnostics.A_default_clause_cannot_appear_more_than_once_in_a_switch_statement);
- hasDuplicateDefaultClause = true;
- }
- }
- if (produceDiagnostics && clause.kind === 277 /* CaseClause */) {
- // TypeScript 1.0 spec (April 2014): 5.9
- // In a 'switch' statement, each 'case' expression must be of a type that is comparable
- // to or from the type of the 'switch' expression.
- var caseType = checkExpression(clause.expression);
- var caseIsLiteral = isLiteralType(caseType);
- var comparedExpressionType = expressionType;
- if (!caseIsLiteral || !expressionIsLiteral) {
- caseType = caseIsLiteral ? getBaseTypeOfLiteralType(caseType) : caseType;
- comparedExpressionType = getBaseTypeOfLiteralType(expressionType);
- }
- if (!isTypeEqualityComparableTo(comparedExpressionType, caseType)) {
- // expressionType is not comparable to caseType, try the reversed check and report errors if it fails
- checkTypeComparableTo(caseType, comparedExpressionType, clause.expression, /*headMessage*/ undefined);
- }
- }
- ts.forEach(clause.statements, checkSourceElement);
- if (compilerOptions.noFallthroughCasesInSwitch && clause.fallthroughFlowNode && isReachableFlowNode(clause.fallthroughFlowNode)) {
- error(clause, ts.Diagnostics.Fallthrough_case_in_switch);
- }
- });
- if (node.caseBlock.locals) {
- registerForUnusedIdentifiersCheck(node.caseBlock);
- }
- }
- function checkLabeledStatement(node) {
- // Grammar checking
- if (!checkGrammarStatementInAmbientContext(node)) {
- ts.findAncestor(node.parent, function (current) {
- if (ts.isFunctionLike(current)) {
- return "quit";
- }
- if (current.kind === 238 /* LabeledStatement */ && current.label.escapedText === node.label.escapedText) {
- grammarErrorOnNode(node.label, ts.Diagnostics.Duplicate_label_0, ts.getTextOfNode(node.label));
- return true;
- }
- return false;
- });
- }
- // ensure that label is unique
- checkSourceElement(node.statement);
- }
- function checkThrowStatement(node) {
- // Grammar checking
- if (!checkGrammarStatementInAmbientContext(node)) {
- if (node.expression === undefined) {
- grammarErrorAfterFirstToken(node, ts.Diagnostics.Line_break_not_permitted_here);
- }
- }
- if (node.expression) {
- checkExpression(node.expression);
- }
- }
- function checkTryStatement(node) {
- // Grammar checking
- checkGrammarStatementInAmbientContext(node);
- checkBlock(node.tryBlock);
- var catchClause = node.catchClause;
- if (catchClause) {
- // Grammar checking
- if (catchClause.variableDeclaration) {
- if (catchClause.variableDeclaration.type) {
- grammarErrorOnFirstToken(catchClause.variableDeclaration.type, ts.Diagnostics.Catch_clause_variable_cannot_have_a_type_annotation);
- }
- else if (catchClause.variableDeclaration.initializer) {
- grammarErrorOnFirstToken(catchClause.variableDeclaration.initializer, ts.Diagnostics.Catch_clause_variable_cannot_have_an_initializer);
- }
- else {
- var blockLocals_1 = catchClause.block.locals;
- if (blockLocals_1) {
- ts.forEachKey(catchClause.locals, function (caughtName) {
- var blockLocal = blockLocals_1.get(caughtName);
- if (blockLocal && (blockLocal.flags & 2 /* BlockScopedVariable */) !== 0) {
- grammarErrorOnNode(blockLocal.valueDeclaration, ts.Diagnostics.Cannot_redeclare_identifier_0_in_catch_clause, caughtName);
- }
- });
- }
- }
- }
- checkBlock(catchClause.block);
- }
- if (node.finallyBlock) {
- checkBlock(node.finallyBlock);
- }
- }
- function checkIndexConstraints(type) {
- var declaredNumberIndexer = getIndexDeclarationOfSymbol(type.symbol, 1 /* Number */);
- var declaredStringIndexer = getIndexDeclarationOfSymbol(type.symbol, 0 /* String */);
- var stringIndexType = getIndexTypeOfType(type, 0 /* String */);
- var numberIndexType = getIndexTypeOfType(type, 1 /* Number */);
- if (stringIndexType || numberIndexType) {
- ts.forEach(getPropertiesOfObjectType(type), function (prop) {
- var propType = getTypeOfSymbol(prop);
- checkIndexConstraintForProperty(prop, propType, type, declaredStringIndexer, stringIndexType, 0 /* String */);
- checkIndexConstraintForProperty(prop, propType, type, declaredNumberIndexer, numberIndexType, 1 /* Number */);
- });
- var classDeclaration = type.symbol.valueDeclaration;
- if (ts.getObjectFlags(type) & 1 /* Class */ && ts.isClassLike(classDeclaration)) {
- for (var _i = 0, _a = classDeclaration.members; _i < _a.length; _i++) {
- var member = _a[_i];
- // Only process instance properties with computed names here.
- // Static properties cannot be in conflict with indexers,
- // and properties with literal names were already checked.
- if (!ts.hasModifier(member, 32 /* Static */) && hasNonBindableDynamicName(member)) {
- var symbol = getSymbolOfNode(member);
- var propType = getTypeOfSymbol(symbol);
- checkIndexConstraintForProperty(symbol, propType, type, declaredStringIndexer, stringIndexType, 0 /* String */);
- checkIndexConstraintForProperty(symbol, propType, type, declaredNumberIndexer, numberIndexType, 1 /* Number */);
- }
- }
- }
- }
- var errorNode;
- if (stringIndexType && numberIndexType) {
- errorNode = declaredNumberIndexer || declaredStringIndexer;
- // condition 'errorNode === undefined' may appear if types does not declare nor string neither number indexer
- if (!errorNode && (ts.getObjectFlags(type) & 2 /* Interface */)) {
- var someBaseTypeHasBothIndexers = ts.forEach(getBaseTypes(type), function (base) { return getIndexTypeOfType(base, 0 /* String */) && getIndexTypeOfType(base, 1 /* Number */); });
- errorNode = someBaseTypeHasBothIndexers ? undefined : type.symbol.declarations[0];
- }
- }
- if (errorNode && !isTypeAssignableTo(numberIndexType, stringIndexType)) { // TODO: GH#18217
- error(errorNode, ts.Diagnostics.Numeric_index_type_0_is_not_assignable_to_string_index_type_1, typeToString(numberIndexType), typeToString(stringIndexType));
- }
- function checkIndexConstraintForProperty(prop, propertyType, containingType, indexDeclaration, indexType, indexKind) {
- // ESSymbol properties apply to neither string nor numeric indexers.
- if (!indexType || ts.isKnownSymbol(prop)) {
- return;
- }
- var propDeclaration = prop.valueDeclaration;
- var name = propDeclaration && ts.getNameOfDeclaration(propDeclaration);
- if (name && ts.isPrivateIdentifier(name)) {
- return;
- }
- // index is numeric and property name is not valid numeric literal
- if (indexKind === 1 /* Number */ && !(name ? isNumericName(name) : isNumericLiteralName(prop.escapedName))) {
- return;
- }
- // perform property check if property or indexer is declared in 'type'
- // this allows us to rule out cases when both property and indexer are inherited from the base class
- var errorNode;
- if (propDeclaration && name &&
- (propDeclaration.kind === 209 /* BinaryExpression */ ||
- name.kind === 154 /* ComputedPropertyName */ ||
- prop.parent === containingType.symbol)) {
- errorNode = propDeclaration;
- }
- else if (indexDeclaration) {
- errorNode = indexDeclaration;
- }
- else if (ts.getObjectFlags(containingType) & 2 /* Interface */) {
- // for interfaces property and indexer might be inherited from different bases
- // check if any base class already has both property and indexer.
- // check should be performed only if 'type' is the first type that brings property\indexer together
- var someBaseClassHasBothPropertyAndIndexer = ts.forEach(getBaseTypes(containingType), function (base) { return getPropertyOfObjectType(base, prop.escapedName) && getIndexTypeOfType(base, indexKind); });
- errorNode = someBaseClassHasBothPropertyAndIndexer ? undefined : containingType.symbol.declarations[0];
- }
- if (errorNode && !isTypeAssignableTo(propertyType, indexType)) {
- var errorMessage = indexKind === 0 /* String */
- ? ts.Diagnostics.Property_0_of_type_1_is_not_assignable_to_string_index_type_2
- : ts.Diagnostics.Property_0_of_type_1_is_not_assignable_to_numeric_index_type_2;
- error(errorNode, errorMessage, symbolToString(prop), typeToString(propertyType), typeToString(indexType));
- }
- }
- }
- function checkTypeNameIsReserved(name, message) {
- // TS 1.0 spec (April 2014): 3.6.1
- // The predefined type keywords are reserved and cannot be used as names of user defined types.
- switch (name.escapedText) {
- case "any":
- case "unknown":
- case "number":
- case "bigint":
- case "boolean":
- case "string":
- case "symbol":
- case "void":
- case "object":
- error(name, message, name.escapedText);
- }
- }
- /**
- * The name cannot be used as 'Object' of user defined types with special target.
- */
- function checkClassNameCollisionWithObject(name) {
- if (languageVersion === 1 /* ES5 */ && name.escapedText === "Object"
- && moduleKind < ts.ModuleKind.ES2015) {
- error(name, ts.Diagnostics.Class_name_cannot_be_Object_when_targeting_ES5_with_module_0, ts.ModuleKind[moduleKind]); // https://github.com/Microsoft/TypeScript/issues/17494
- }
- }
- /**
- * Check each type parameter and check that type parameters have no duplicate type parameter declarations
- */
- function checkTypeParameters(typeParameterDeclarations) {
- if (typeParameterDeclarations) {
- var seenDefault = false;
- for (var i = 0; i < typeParameterDeclarations.length; i++) {
- var node = typeParameterDeclarations[i];
- checkTypeParameter(node);
- if (produceDiagnostics) {
- if (node.default) {
- seenDefault = true;
- checkTypeParametersNotReferenced(node.default, typeParameterDeclarations, i);
- }
- else if (seenDefault) {
- error(node, ts.Diagnostics.Required_type_parameters_may_not_follow_optional_type_parameters);
- }
- for (var j = 0; j < i; j++) {
- if (typeParameterDeclarations[j].symbol === node.symbol) {
- error(node.name, ts.Diagnostics.Duplicate_identifier_0, ts.declarationNameToString(node.name));
- }
- }
- }
- }
- }
- }
- /** Check that type parameter defaults only reference previously declared type parameters */
- function checkTypeParametersNotReferenced(root, typeParameters, index) {
- visit(root);
- function visit(node) {
- if (node.kind === 169 /* TypeReference */) {
- var type = getTypeFromTypeReference(node);
- if (type.flags & 262144 /* TypeParameter */) {
- for (var i = index; i < typeParameters.length; i++) {
- if (type.symbol === getSymbolOfNode(typeParameters[i])) {
- error(node, ts.Diagnostics.Type_parameter_defaults_can_only_reference_previously_declared_type_parameters);
- }
- }
- }
- }
- ts.forEachChild(node, visit);
- }
- }
- /** Check that type parameter lists are identical across multiple declarations */
- function checkTypeParameterListsIdentical(symbol) {
- if (symbol.declarations.length === 1) {
- return;
- }
- var links = getSymbolLinks(symbol);
- if (!links.typeParametersChecked) {
- links.typeParametersChecked = true;
- var declarations = getClassOrInterfaceDeclarationsOfSymbol(symbol);
- if (declarations.length <= 1) {
- return;
- }
- var type = getDeclaredTypeOfSymbol(symbol);
- if (!areTypeParametersIdentical(declarations, type.localTypeParameters)) {
- // Report an error on every conflicting declaration.
- var name = symbolToString(symbol);
- for (var _i = 0, declarations_6 = declarations; _i < declarations_6.length; _i++) {
- var declaration = declarations_6[_i];
- error(declaration.name, ts.Diagnostics.All_declarations_of_0_must_have_identical_type_parameters, name);
- }
- }
- }
- }
- function areTypeParametersIdentical(declarations, targetParameters) {
- var maxTypeArgumentCount = ts.length(targetParameters);
- var minTypeArgumentCount = getMinTypeArgumentCount(targetParameters);
- for (var _i = 0, declarations_7 = declarations; _i < declarations_7.length; _i++) {
- var declaration = declarations_7[_i];
- // If this declaration has too few or too many type parameters, we report an error
- var sourceParameters = ts.getEffectiveTypeParameterDeclarations(declaration);
- var numTypeParameters = sourceParameters.length;
- if (numTypeParameters < minTypeArgumentCount || numTypeParameters > maxTypeArgumentCount) {
- return false;
- }
- for (var i = 0; i < numTypeParameters; i++) {
- var source = sourceParameters[i];
- var target = targetParameters[i];
- // If the type parameter node does not have the same as the resolved type
- // parameter at this position, we report an error.
- if (source.name.escapedText !== target.symbol.escapedName) {
- return false;
- }
- // If the type parameter node does not have an identical constraint as the resolved
- // type parameter at this position, we report an error.
- var constraint = ts.getEffectiveConstraintOfTypeParameter(source);
- var sourceConstraint = constraint && getTypeFromTypeNode(constraint);
- var targetConstraint = getConstraintOfTypeParameter(target);
- // relax check if later interface augmentation has no constraint, it's more broad and is OK to merge with
- // a more constrained interface (this could be generalized to a full hierarchy check, but that's maybe overkill)
- if (sourceConstraint && targetConstraint && !isTypeIdenticalTo(sourceConstraint, targetConstraint)) {
- return false;
- }
- // If the type parameter node has a default and it is not identical to the default
- // for the type parameter at this position, we report an error.
- var sourceDefault = source.default && getTypeFromTypeNode(source.default);
- var targetDefault = getDefaultFromTypeParameter(target);
- if (sourceDefault && targetDefault && !isTypeIdenticalTo(sourceDefault, targetDefault)) {
- return false;
- }
- }
- }
- return true;
- }
- function checkClassExpression(node) {
- checkClassLikeDeclaration(node);
- checkNodeDeferred(node);
- return getTypeOfSymbol(getSymbolOfNode(node));
- }
- function checkClassExpressionDeferred(node) {
- ts.forEach(node.members, checkSourceElement);
- registerForUnusedIdentifiersCheck(node);
- }
- function checkClassDeclaration(node) {
- if (!node.name && !ts.hasModifier(node, 512 /* Default */)) {
- grammarErrorOnFirstToken(node, ts.Diagnostics.A_class_declaration_without_the_default_modifier_must_have_a_name);
- }
- checkClassLikeDeclaration(node);
- ts.forEach(node.members, checkSourceElement);
- registerForUnusedIdentifiersCheck(node);
- }
- function checkClassLikeDeclaration(node) {
- checkGrammarClassLikeDeclaration(node);
- checkDecorators(node);
- if (node.name) {
- checkTypeNameIsReserved(node.name, ts.Diagnostics.Class_name_cannot_be_0);
- checkCollisionWithRequireExportsInGeneratedCode(node, node.name);
- checkCollisionWithGlobalPromiseInGeneratedCode(node, node.name);
- if (!(node.flags & 8388608 /* Ambient */)) {
- checkClassNameCollisionWithObject(node.name);
- }
- }
- checkTypeParameters(ts.getEffectiveTypeParameterDeclarations(node));
- checkExportsOnMergedDeclarations(node);
- var symbol = getSymbolOfNode(node);
- var type = getDeclaredTypeOfSymbol(symbol);
- var typeWithThis = getTypeWithThisArgument(type);
- var staticType = getTypeOfSymbol(symbol);
- checkTypeParameterListsIdentical(symbol);
- checkClassForDuplicateDeclarations(node);
- // Only check for reserved static identifiers on non-ambient context.
- if (!(node.flags & 8388608 /* Ambient */)) {
- checkClassForStaticPropertyNameConflicts(node);
- }
- var baseTypeNode = ts.getEffectiveBaseTypeNode(node);
- if (baseTypeNode) {
- ts.forEach(baseTypeNode.typeArguments, checkSourceElement);
- if (languageVersion < 2 /* ES2015 */) {
- checkExternalEmitHelpers(baseTypeNode.parent, 1 /* Extends */);
- }
- // check both @extends and extends if both are specified.
- var extendsNode = ts.getClassExtendsHeritageElement(node);
- if (extendsNode && extendsNode !== baseTypeNode) {
- checkExpression(extendsNode.expression);
- }
- var baseTypes = getBaseTypes(type);
- if (baseTypes.length && produceDiagnostics) {
- var baseType_1 = baseTypes[0];
- var baseConstructorType = getBaseConstructorTypeOfClass(type);
- var staticBaseType = getApparentType(baseConstructorType);
- checkBaseTypeAccessibility(staticBaseType, baseTypeNode);
- checkSourceElement(baseTypeNode.expression);
- if (ts.some(baseTypeNode.typeArguments)) {
- ts.forEach(baseTypeNode.typeArguments, checkSourceElement);
- for (var _i = 0, _a = getConstructorsForTypeArguments(staticBaseType, baseTypeNode.typeArguments, baseTypeNode); _i < _a.length; _i++) {
- var constructor = _a[_i];
- if (!checkTypeArgumentConstraints(baseTypeNode, constructor.typeParameters)) {
- break;
- }
- }
- }
- var baseWithThis = getTypeWithThisArgument(baseType_1, type.thisType);
- if (!checkTypeAssignableTo(typeWithThis, baseWithThis, /*errorNode*/ undefined)) {
- issueMemberSpecificError(node, typeWithThis, baseWithThis, ts.Diagnostics.Class_0_incorrectly_extends_base_class_1);
- }
- else {
- // Report static side error only when instance type is assignable
- checkTypeAssignableTo(staticType, getTypeWithoutSignatures(staticBaseType), node.name || node, ts.Diagnostics.Class_static_side_0_incorrectly_extends_base_class_static_side_1);
- }
- if (baseConstructorType.flags & 8650752 /* TypeVariable */ && !isMixinConstructorType(staticType)) {
- error(node.name || node, ts.Diagnostics.A_mixin_class_must_have_a_constructor_with_a_single_rest_parameter_of_type_any);
- }
- if (!(staticBaseType.symbol && staticBaseType.symbol.flags & 32 /* Class */) && !(baseConstructorType.flags & 8650752 /* TypeVariable */)) {
- // When the static base type is a "class-like" constructor function (but not actually a class), we verify
- // that all instantiated base constructor signatures return the same type.
- var constructors = getInstantiatedConstructorsForTypeArguments(staticBaseType, baseTypeNode.typeArguments, baseTypeNode);
- if (ts.forEach(constructors, function (sig) { return !isJSConstructor(sig.declaration) && !isTypeIdenticalTo(getReturnTypeOfSignature(sig), baseType_1); })) {
- error(baseTypeNode.expression, ts.Diagnostics.Base_constructors_must_all_have_the_same_return_type);
- }
- }
- checkKindsOfPropertyMemberOverrides(type, baseType_1);
- }
- }
- var implementedTypeNodes = ts.getEffectiveImplementsTypeNodes(node);
- if (implementedTypeNodes) {
- for (var _b = 0, implementedTypeNodes_1 = implementedTypeNodes; _b < implementedTypeNodes_1.length; _b++) {
- var typeRefNode = implementedTypeNodes_1[_b];
- if (!ts.isEntityNameExpression(typeRefNode.expression)) {
- error(typeRefNode.expression, ts.Diagnostics.A_class_can_only_implement_an_identifier_Slashqualified_name_with_optional_type_arguments);
- }
- checkTypeReferenceNode(typeRefNode);
- if (produceDiagnostics) {
- var t = getReducedType(getTypeFromTypeNode(typeRefNode));
- if (t !== errorType) {
- if (isValidBaseType(t)) {
- var genericDiag = t.symbol && t.symbol.flags & 32 /* Class */ ?
- ts.Diagnostics.Class_0_incorrectly_implements_class_1_Did_you_mean_to_extend_1_and_inherit_its_members_as_a_subclass :
- ts.Diagnostics.Class_0_incorrectly_implements_interface_1;
- var baseWithThis = getTypeWithThisArgument(t, type.thisType);
- if (!checkTypeAssignableTo(typeWithThis, baseWithThis, /*errorNode*/ undefined)) {
- issueMemberSpecificError(node, typeWithThis, baseWithThis, genericDiag);
- }
- }
- else {
- error(typeRefNode, ts.Diagnostics.A_class_can_only_implement_an_object_type_or_intersection_of_object_types_with_statically_known_members);
- }
- }
- }
- }
- }
- if (produceDiagnostics) {
- checkIndexConstraints(type);
- checkTypeForDuplicateIndexSignatures(node);
- checkPropertyInitialization(node);
- }
- }
- function issueMemberSpecificError(node, typeWithThis, baseWithThis, broadDiag) {
- // iterate over all implemented properties and issue errors on each one which isn't compatible, rather than the class as a whole, if possible
- var issuedMemberError = false;
- var _loop_19 = function (member) {
- if (ts.hasStaticModifier(member)) {
- return "continue";
- }
- var declaredProp = member.name && getSymbolAtLocation(member.name) || getSymbolAtLocation(member);
- if (declaredProp) {
- var prop = getPropertyOfType(typeWithThis, declaredProp.escapedName);
- var baseProp = getPropertyOfType(baseWithThis, declaredProp.escapedName);
- if (prop && baseProp) {
- var rootChain = function () { return ts.chainDiagnosticMessages(
- /*details*/ undefined, ts.Diagnostics.Property_0_in_type_1_is_not_assignable_to_the_same_property_in_base_type_2, symbolToString(declaredProp), typeToString(typeWithThis), typeToString(baseWithThis)); };
- if (!checkTypeAssignableTo(getTypeOfSymbol(prop), getTypeOfSymbol(baseProp), member.name || member, /*message*/ undefined, rootChain)) {
- issuedMemberError = true;
- }
- }
- }
- };
- for (var _i = 0, _a = node.members; _i < _a.length; _i++) {
- var member = _a[_i];
- _loop_19(member);
- }
- if (!issuedMemberError) {
- // check again with diagnostics to generate a less-specific error
- checkTypeAssignableTo(typeWithThis, baseWithThis, node.name || node, broadDiag);
- }
- }
- function checkBaseTypeAccessibility(type, node) {
- var signatures = getSignaturesOfType(type, 1 /* Construct */);
- if (signatures.length) {
- var declaration = signatures[0].declaration;
- if (declaration && ts.hasModifier(declaration, 8 /* Private */)) {
- var typeClassDeclaration = ts.getClassLikeDeclarationOfSymbol(type.symbol);
- if (!isNodeWithinClass(node, typeClassDeclaration)) {
- error(node, ts.Diagnostics.Cannot_extend_a_class_0_Class_constructor_is_marked_as_private, getFullyQualifiedName(type.symbol));
- }
- }
- }
- }
- function getTargetSymbol(s) {
- // if symbol is instantiated its flags are not copied from the 'target'
- // so we'll need to get back original 'target' symbol to work with correct set of flags
- return ts.getCheckFlags(s) & 1 /* Instantiated */ ? s.target : s;
- }
- function getClassOrInterfaceDeclarationsOfSymbol(symbol) {
- return ts.filter(symbol.declarations, function (d) {
- return d.kind === 245 /* ClassDeclaration */ || d.kind === 246 /* InterfaceDeclaration */;
- });
- }
- function checkKindsOfPropertyMemberOverrides(type, baseType) {
- // TypeScript 1.0 spec (April 2014): 8.2.3
- // A derived class inherits all members from its base class it doesn't override.
- // Inheritance means that a derived class implicitly contains all non - overridden members of the base class.
- // Both public and private property members are inherited, but only public property members can be overridden.
- // A property member in a derived class is said to override a property member in a base class
- // when the derived class property member has the same name and kind(instance or static)
- // as the base class property member.
- // The type of an overriding property member must be assignable(section 3.8.4)
- // to the type of the overridden property member, or otherwise a compile - time error occurs.
- // Base class instance member functions can be overridden by derived class instance member functions,
- // but not by other kinds of members.
- // Base class instance member variables and accessors can be overridden by
- // derived class instance member variables and accessors, but not by other kinds of members.
- // NOTE: assignability is checked in checkClassDeclaration
- var baseProperties = getPropertiesOfType(baseType);
- basePropertyCheck: for (var _i = 0, baseProperties_1 = baseProperties; _i < baseProperties_1.length; _i++) {
- var baseProperty = baseProperties_1[_i];
- var base = getTargetSymbol(baseProperty);
- if (base.flags & 4194304 /* Prototype */) {
- continue;
- }
- var baseSymbol = getPropertyOfObjectType(type, base.escapedName);
- if (!baseSymbol) {
- continue;
- }
- var derived = getTargetSymbol(baseSymbol);
- var baseDeclarationFlags = ts.getDeclarationModifierFlagsFromSymbol(base);
- ts.Debug.assert(!!derived, "derived should point to something, even if it is the base class' declaration.");
- // In order to resolve whether the inherited method was overridden in the base class or not,
- // we compare the Symbols obtained. Since getTargetSymbol returns the symbol on the *uninstantiated*
- // type declaration, derived and base resolve to the same symbol even in the case of generic classes.
- if (derived === base) {
- // derived class inherits base without override/redeclaration
- var derivedClassDecl = ts.getClassLikeDeclarationOfSymbol(type.symbol);
- // It is an error to inherit an abstract member without implementing it or being declared abstract.
- // If there is no declaration for the derived class (as in the case of class expressions),
- // then the class cannot be declared abstract.
- if (baseDeclarationFlags & 128 /* Abstract */ && (!derivedClassDecl || !ts.hasModifier(derivedClassDecl, 128 /* Abstract */))) {
- // Searches other base types for a declaration that would satisfy the inherited abstract member.
- // (The class may have more than one base type via declaration merging with an interface with the
- // same name.)
- for (var _a = 0, _b = getBaseTypes(type); _a < _b.length; _a++) {
- var otherBaseType = _b[_a];
- if (otherBaseType === baseType)
- continue;
- var baseSymbol_1 = getPropertyOfObjectType(otherBaseType, base.escapedName);
- var derivedElsewhere = baseSymbol_1 && getTargetSymbol(baseSymbol_1);
- if (derivedElsewhere && derivedElsewhere !== base) {
- continue basePropertyCheck;
- }
- }
- if (derivedClassDecl.kind === 214 /* ClassExpression */) {
- error(derivedClassDecl, ts.Diagnostics.Non_abstract_class_expression_does_not_implement_inherited_abstract_member_0_from_class_1, symbolToString(baseProperty), typeToString(baseType));
- }
- else {
- error(derivedClassDecl, ts.Diagnostics.Non_abstract_class_0_does_not_implement_inherited_abstract_member_1_from_class_2, typeToString(type), symbolToString(baseProperty), typeToString(baseType));
- }
- }
- }
- else {
- // derived overrides base.
- var derivedDeclarationFlags = ts.getDeclarationModifierFlagsFromSymbol(derived);
- if (baseDeclarationFlags & 8 /* Private */ || derivedDeclarationFlags & 8 /* Private */) {
- // either base or derived property is private - not override, skip it
- continue;
- }
- var errorMessage = void 0;
- var basePropertyFlags = base.flags & 98308 /* PropertyOrAccessor */;
- var derivedPropertyFlags = derived.flags & 98308 /* PropertyOrAccessor */;
- if (basePropertyFlags && derivedPropertyFlags) {
- // property/accessor is overridden with property/accessor
- if (!compilerOptions.useDefineForClassFields
- || baseDeclarationFlags & 128 /* Abstract */ && !(base.valueDeclaration && ts.isPropertyDeclaration(base.valueDeclaration) && base.valueDeclaration.initializer)
- || base.valueDeclaration && base.valueDeclaration.parent.kind === 246 /* InterfaceDeclaration */
- || derived.valueDeclaration && ts.isBinaryExpression(derived.valueDeclaration)) {
- // when the base property is abstract or from an interface, base/derived flags don't need to match
- // same when the derived property is from an assignment
- continue;
- }
- var overriddenInstanceProperty = basePropertyFlags !== 4 /* Property */ && derivedPropertyFlags === 4 /* Property */;
- var overriddenInstanceAccessor = basePropertyFlags === 4 /* Property */ && derivedPropertyFlags !== 4 /* Property */;
- if (overriddenInstanceProperty || overriddenInstanceAccessor) {
- var errorMessage_1 = overriddenInstanceProperty ?
- ts.Diagnostics._0_is_defined_as_an_accessor_in_class_1_but_is_overridden_here_in_2_as_an_instance_property :
- ts.Diagnostics._0_is_defined_as_a_property_in_class_1_but_is_overridden_here_in_2_as_an_accessor;
- error(ts.getNameOfDeclaration(derived.valueDeclaration) || derived.valueDeclaration, errorMessage_1, symbolToString(base), typeToString(baseType), typeToString(type));
- }
- else {
- var uninitialized = ts.find(derived.declarations, function (d) { return d.kind === 159 /* PropertyDeclaration */ && !d.initializer; });
- if (uninitialized
- && !(derived.flags & 33554432 /* Transient */)
- && !(baseDeclarationFlags & 128 /* Abstract */)
- && !(derivedDeclarationFlags & 128 /* Abstract */)
- && !derived.declarations.some(function (d) { return !!(d.flags & 8388608 /* Ambient */); })) {
- var constructor = findConstructorDeclaration(ts.getClassLikeDeclarationOfSymbol(type.symbol));
- var propName = uninitialized.name;
- if (uninitialized.exclamationToken
- || !constructor
- || !ts.isIdentifier(propName)
- || !strictNullChecks
- || !isPropertyInitializedInConstructor(propName, type, constructor)) {
- var errorMessage_2 = ts.Diagnostics.Property_0_will_overwrite_the_base_property_in_1_If_this_is_intentional_add_an_initializer_Otherwise_add_a_declare_modifier_or_remove_the_redundant_declaration;
- error(ts.getNameOfDeclaration(derived.valueDeclaration) || derived.valueDeclaration, errorMessage_2, symbolToString(base), typeToString(baseType));
- }
- }
- }
- // correct case
- continue;
- }
- else if (isPrototypeProperty(base)) {
- if (isPrototypeProperty(derived) || derived.flags & 4 /* Property */) {
- // method is overridden with method or property -- correct case
- continue;
- }
- else {
- ts.Debug.assert(!!(derived.flags & 98304 /* Accessor */));
- errorMessage = ts.Diagnostics.Class_0_defines_instance_member_function_1_but_extended_class_2_defines_it_as_instance_member_accessor;
- }
- }
- else if (base.flags & 98304 /* Accessor */) {
- errorMessage = ts.Diagnostics.Class_0_defines_instance_member_accessor_1_but_extended_class_2_defines_it_as_instance_member_function;
- }
- else {
- errorMessage = ts.Diagnostics.Class_0_defines_instance_member_property_1_but_extended_class_2_defines_it_as_instance_member_function;
- }
- error(ts.getNameOfDeclaration(derived.valueDeclaration) || derived.valueDeclaration, errorMessage, typeToString(baseType), symbolToString(base), typeToString(type));
- }
- }
- }
- function getNonInterhitedProperties(type, baseTypes, properties) {
- if (!ts.length(baseTypes)) {
- return properties;
- }
- var seen = ts.createUnderscoreEscapedMap();
- ts.forEach(properties, function (p) { seen.set(p.escapedName, p); });
- for (var _i = 0, baseTypes_2 = baseTypes; _i < baseTypes_2.length; _i++) {
- var base = baseTypes_2[_i];
- var properties_5 = getPropertiesOfType(getTypeWithThisArgument(base, type.thisType));
- for (var _a = 0, properties_4 = properties_5; _a < properties_4.length; _a++) {
- var prop = properties_4[_a];
- var existing = seen.get(prop.escapedName);
- if (existing && !isPropertyIdenticalTo(existing, prop)) {
- seen.delete(prop.escapedName);
- }
- }
- }
- return ts.arrayFrom(seen.values());
- }
- function checkInheritedPropertiesAreIdentical(type, typeNode) {
- var baseTypes = getBaseTypes(type);
- if (baseTypes.length < 2) {
- return true;
- }
- var seen = ts.createUnderscoreEscapedMap();
- ts.forEach(resolveDeclaredMembers(type).declaredProperties, function (p) { seen.set(p.escapedName, { prop: p, containingType: type }); });
- var ok = true;
- for (var _i = 0, baseTypes_3 = baseTypes; _i < baseTypes_3.length; _i++) {
- var base = baseTypes_3[_i];
- var properties = getPropertiesOfType(getTypeWithThisArgument(base, type.thisType));
- for (var _a = 0, properties_6 = properties; _a < properties_6.length; _a++) {
- var prop = properties_6[_a];
- var existing = seen.get(prop.escapedName);
- if (!existing) {
- seen.set(prop.escapedName, { prop: prop, containingType: base });
- }
- else {
- var isInheritedProperty = existing.containingType !== type;
- if (isInheritedProperty && !isPropertyIdenticalTo(existing.prop, prop)) {
- ok = false;
- var typeName1 = typeToString(existing.containingType);
- var typeName2 = typeToString(base);
- var errorInfo = ts.chainDiagnosticMessages(/*details*/ undefined, ts.Diagnostics.Named_property_0_of_types_1_and_2_are_not_identical, symbolToString(prop), typeName1, typeName2);
- errorInfo = ts.chainDiagnosticMessages(errorInfo, ts.Diagnostics.Interface_0_cannot_simultaneously_extend_types_1_and_2, typeToString(type), typeName1, typeName2);
- diagnostics.add(ts.createDiagnosticForNodeFromMessageChain(typeNode, errorInfo));
- }
- }
- }
- }
- return ok;
- }
- function checkPropertyInitialization(node) {
- if (!strictNullChecks || !strictPropertyInitialization || node.flags & 8388608 /* Ambient */) {
- return;
- }
- var constructor = findConstructorDeclaration(node);
- for (var _i = 0, _a = node.members; _i < _a.length; _i++) {
- var member = _a[_i];
- if (ts.getModifierFlags(member) & 2 /* Ambient */) {
- continue;
- }
- if (isInstancePropertyWithoutInitializer(member)) {
- var propName = member.name;
- if (ts.isIdentifier(propName) || ts.isPrivateIdentifier(propName)) {
- var type = getTypeOfSymbol(getSymbolOfNode(member));
- if (!(type.flags & 3 /* AnyOrUnknown */ || getFalsyFlags(type) & 32768 /* Undefined */)) {
- if (!constructor || !isPropertyInitializedInConstructor(propName, type, constructor)) {
- error(member.name, ts.Diagnostics.Property_0_has_no_initializer_and_is_not_definitely_assigned_in_the_constructor, ts.declarationNameToString(propName));
- }
- }
- }
- }
- }
- }
- function isInstancePropertyWithoutInitializer(node) {
- return node.kind === 159 /* PropertyDeclaration */ &&
- !ts.hasModifier(node, 32 /* Static */ | 128 /* Abstract */) &&
- !node.exclamationToken &&
- !node.initializer;
- }
- function isPropertyInitializedInConstructor(propName, propType, constructor) {
- var reference = ts.createPropertyAccess(ts.createThis(), propName);
- reference.expression.parent = reference;
- reference.parent = constructor;
- reference.flowNode = constructor.returnFlowNode;
- var flowType = getFlowTypeOfReference(reference, propType, getOptionalType(propType));
- return !(getFalsyFlags(flowType) & 32768 /* Undefined */);
- }
- function checkInterfaceDeclaration(node) {
- // Grammar checking
- if (!checkGrammarDecoratorsAndModifiers(node))
- checkGrammarInterfaceDeclaration(node);
- checkTypeParameters(node.typeParameters);
- if (produceDiagnostics) {
- checkTypeNameIsReserved(node.name, ts.Diagnostics.Interface_name_cannot_be_0);
- checkExportsOnMergedDeclarations(node);
- var symbol = getSymbolOfNode(node);
- checkTypeParameterListsIdentical(symbol);
- // Only check this symbol once
- var firstInterfaceDecl = ts.getDeclarationOfKind(symbol, 246 /* InterfaceDeclaration */);
- if (node === firstInterfaceDecl) {
- var type = getDeclaredTypeOfSymbol(symbol);
- var typeWithThis = getTypeWithThisArgument(type);
- // run subsequent checks only if first set succeeded
- if (checkInheritedPropertiesAreIdentical(type, node.name)) {
- for (var _i = 0, _a = getBaseTypes(type); _i < _a.length; _i++) {
- var baseType = _a[_i];
- checkTypeAssignableTo(typeWithThis, getTypeWithThisArgument(baseType, type.thisType), node.name, ts.Diagnostics.Interface_0_incorrectly_extends_interface_1);
- }
- checkIndexConstraints(type);
- }
- }
- checkObjectTypeForDuplicateDeclarations(node);
- }
- ts.forEach(ts.getInterfaceBaseTypeNodes(node), function (heritageElement) {
- if (!ts.isEntityNameExpression(heritageElement.expression)) {
- error(heritageElement.expression, ts.Diagnostics.An_interface_can_only_extend_an_identifier_Slashqualified_name_with_optional_type_arguments);
- }
- checkTypeReferenceNode(heritageElement);
- });
- ts.forEach(node.members, checkSourceElement);
- if (produceDiagnostics) {
- checkTypeForDuplicateIndexSignatures(node);
- registerForUnusedIdentifiersCheck(node);
- }
- }
- function checkTypeAliasDeclaration(node) {
- // Grammar checking
- checkGrammarDecoratorsAndModifiers(node);
- checkTypeNameIsReserved(node.name, ts.Diagnostics.Type_alias_name_cannot_be_0);
- checkExportsOnMergedDeclarations(node);
- checkTypeParameters(node.typeParameters);
- checkSourceElement(node.type);
- registerForUnusedIdentifiersCheck(node);
- }
- function computeEnumMemberValues(node) {
- var nodeLinks = getNodeLinks(node);
- if (!(nodeLinks.flags & 16384 /* EnumValuesComputed */)) {
- nodeLinks.flags |= 16384 /* EnumValuesComputed */;
- var autoValue = 0;
- for (var _i = 0, _a = node.members; _i < _a.length; _i++) {
- var member = _a[_i];
- var value = computeMemberValue(member, autoValue);
- getNodeLinks(member).enumMemberValue = value;
- autoValue = typeof value === "number" ? value + 1 : undefined;
- }
- }
- }
- function computeMemberValue(member, autoValue) {
- if (ts.isComputedNonLiteralName(member.name)) {
- error(member.name, ts.Diagnostics.Computed_property_names_are_not_allowed_in_enums);
- }
- else {
- var text = ts.getTextOfPropertyName(member.name);
- if (isNumericLiteralName(text) && !isInfinityOrNaNString(text)) {
- error(member.name, ts.Diagnostics.An_enum_member_cannot_have_a_numeric_name);
- }
- }
- if (member.initializer) {
- return computeConstantValue(member);
- }
- // In ambient non-const numeric enum declarations, enum members without initializers are
- // considered computed members (as opposed to having auto-incremented values).
- if (member.parent.flags & 8388608 /* Ambient */ && !ts.isEnumConst(member.parent) && getEnumKind(getSymbolOfNode(member.parent)) === 0 /* Numeric */) {
- return undefined;
- }
- // If the member declaration specifies no value, the member is considered a constant enum member.
- // If the member is the first member in the enum declaration, it is assigned the value zero.
- // Otherwise, it is assigned the value of the immediately preceding member plus one, and an error
- // occurs if the immediately preceding member is not a constant enum member.
- if (autoValue !== undefined) {
- return autoValue;
- }
- error(member.name, ts.Diagnostics.Enum_member_must_have_initializer);
- return undefined;
- }
- function computeConstantValue(member) {
- var enumKind = getEnumKind(getSymbolOfNode(member.parent));
- var isConstEnum = ts.isEnumConst(member.parent);
- var initializer = member.initializer;
- var value = enumKind === 1 /* Literal */ && !isLiteralEnumMember(member) ? undefined : evaluate(initializer);
- if (value !== undefined) {
- if (isConstEnum && typeof value === "number" && !isFinite(value)) {
- error(initializer, isNaN(value) ?
- ts.Diagnostics.const_enum_member_initializer_was_evaluated_to_disallowed_value_NaN :
- ts.Diagnostics.const_enum_member_initializer_was_evaluated_to_a_non_finite_value);
- }
- }
- else if (enumKind === 1 /* Literal */) {
- error(initializer, ts.Diagnostics.Computed_values_are_not_permitted_in_an_enum_with_string_valued_members);
- return 0;
- }
- else if (isConstEnum) {
- error(initializer, ts.Diagnostics.const_enum_member_initializers_can_only_contain_literal_values_and_other_computed_enum_values);
- }
- else if (member.parent.flags & 8388608 /* Ambient */) {
- error(initializer, ts.Diagnostics.In_ambient_enum_declarations_member_initializer_must_be_constant_expression);
- }
- else {
- // Only here do we need to check that the initializer is assignable to the enum type.
- var source = checkExpression(initializer);
- if (!isTypeAssignableToKind(source, 296 /* NumberLike */)) {
- error(initializer, ts.Diagnostics.Only_numeric_enums_can_have_computed_members_but_this_expression_has_type_0_If_you_do_not_need_exhaustiveness_checks_consider_using_an_object_literal_instead, typeToString(source));
- }
- else {
- checkTypeAssignableTo(source, getDeclaredTypeOfSymbol(getSymbolOfNode(member.parent)), initializer, /*headMessage*/ undefined);
- }
- }
- return value;
- function evaluate(expr) {
- switch (expr.kind) {
- case 207 /* PrefixUnaryExpression */:
- var value_2 = evaluate(expr.operand);
- if (typeof value_2 === "number") {
- switch (expr.operator) {
- case 39 /* PlusToken */: return value_2;
- case 40 /* MinusToken */: return -value_2;
- case 54 /* TildeToken */: return ~value_2;
- }
- }
- break;
- case 209 /* BinaryExpression */:
- var left = evaluate(expr.left);
- var right = evaluate(expr.right);
- if (typeof left === "number" && typeof right === "number") {
- switch (expr.operatorToken.kind) {
- case 51 /* BarToken */: return left | right;
- case 50 /* AmpersandToken */: return left & right;
- case 48 /* GreaterThanGreaterThanToken */: return left >> right;
- case 49 /* GreaterThanGreaterThanGreaterThanToken */: return left >>> right;
- case 47 /* LessThanLessThanToken */: return left << right;
- case 52 /* CaretToken */: return left ^ right;
- case 41 /* AsteriskToken */: return left * right;
- case 43 /* SlashToken */: return left / right;
- case 39 /* PlusToken */: return left + right;
- case 40 /* MinusToken */: return left - right;
- case 44 /* PercentToken */: return left % right;
- case 42 /* AsteriskAsteriskToken */: return Math.pow(left, right);
- }
- }
- else if (typeof left === "string" && typeof right === "string" && expr.operatorToken.kind === 39 /* PlusToken */) {
- return left + right;
- }
- break;
- case 10 /* StringLiteral */:
- case 14 /* NoSubstitutionTemplateLiteral */:
- return expr.text;
- case 8 /* NumericLiteral */:
- checkGrammarNumericLiteral(expr);
- return +expr.text;
- case 200 /* ParenthesizedExpression */:
- return evaluate(expr.expression);
- case 75 /* Identifier */:
- var identifier = expr;
- if (isInfinityOrNaNString(identifier.escapedText)) {
- return +(identifier.escapedText);
- }
- return ts.nodeIsMissing(expr) ? 0 : evaluateEnumMember(expr, getSymbolOfNode(member.parent), identifier.escapedText);
- case 195 /* ElementAccessExpression */:
- case 194 /* PropertyAccessExpression */:
- var ex = expr;
- if (isConstantMemberAccess(ex)) {
- var type = getTypeOfExpression(ex.expression);
- if (type.symbol && type.symbol.flags & 384 /* Enum */) {
- var name = void 0;
- if (ex.kind === 194 /* PropertyAccessExpression */) {
- name = ex.name.escapedText;
- }
- else {
- name = ts.escapeLeadingUnderscores(ts.cast(ex.argumentExpression, ts.isLiteralExpression).text);
- }
- return evaluateEnumMember(expr, type.symbol, name);
- }
- }
- break;
- }
- return undefined;
- }
- function evaluateEnumMember(expr, enumSymbol, name) {
- var memberSymbol = enumSymbol.exports.get(name);
- if (memberSymbol) {
- var declaration = memberSymbol.valueDeclaration;
- if (declaration !== member) {
- if (isBlockScopedNameDeclaredBeforeUse(declaration, member)) {
- return getEnumMemberValue(declaration);
- }
- error(expr, ts.Diagnostics.A_member_initializer_in_a_enum_declaration_cannot_reference_members_declared_after_it_including_members_defined_in_other_enums);
- return 0;
- }
- else {
- error(expr, ts.Diagnostics.Property_0_is_used_before_being_assigned, symbolToString(memberSymbol));
- }
- }
- return undefined;
- }
- }
- function isConstantMemberAccess(node) {
- return node.kind === 75 /* Identifier */ ||
- node.kind === 194 /* PropertyAccessExpression */ && isConstantMemberAccess(node.expression) ||
- node.kind === 195 /* ElementAccessExpression */ && isConstantMemberAccess(node.expression) &&
- ts.isStringLiteralLike(node.argumentExpression);
- }
- function checkEnumDeclaration(node) {
- if (!produceDiagnostics) {
- return;
- }
- // Grammar checking
- checkGrammarDecoratorsAndModifiers(node);
- checkTypeNameIsReserved(node.name, ts.Diagnostics.Enum_name_cannot_be_0);
- checkCollisionWithRequireExportsInGeneratedCode(node, node.name);
- checkCollisionWithGlobalPromiseInGeneratedCode(node, node.name);
- checkExportsOnMergedDeclarations(node);
- node.members.forEach(checkEnumMember);
- computeEnumMemberValues(node);
- // Spec 2014 - Section 9.3:
- // It isn't possible for one enum declaration to continue the automatic numbering sequence of another,
- // and when an enum type has multiple declarations, only one declaration is permitted to omit a value
- // for the first member.
- //
- // Only perform this check once per symbol
- var enumSymbol = getSymbolOfNode(node);
- var firstDeclaration = ts.getDeclarationOfKind(enumSymbol, node.kind);
- if (node === firstDeclaration) {
- if (enumSymbol.declarations.length > 1) {
- var enumIsConst_1 = ts.isEnumConst(node);
- // check that const is placed\omitted on all enum declarations
- ts.forEach(enumSymbol.declarations, function (decl) {
- if (ts.isEnumDeclaration(decl) && ts.isEnumConst(decl) !== enumIsConst_1) {
- error(ts.getNameOfDeclaration(decl), ts.Diagnostics.Enum_declarations_must_all_be_const_or_non_const);
- }
- });
- }
- var seenEnumMissingInitialInitializer_1 = false;
- ts.forEach(enumSymbol.declarations, function (declaration) {
- // return true if we hit a violation of the rule, false otherwise
- if (declaration.kind !== 248 /* EnumDeclaration */) {
- return false;
- }
- var enumDeclaration = declaration;
- if (!enumDeclaration.members.length) {
- return false;
- }
- var firstEnumMember = enumDeclaration.members[0];
- if (!firstEnumMember.initializer) {
- if (seenEnumMissingInitialInitializer_1) {
- error(firstEnumMember.name, ts.Diagnostics.In_an_enum_with_multiple_declarations_only_one_declaration_can_omit_an_initializer_for_its_first_enum_element);
- }
- else {
- seenEnumMissingInitialInitializer_1 = true;
- }
- }
- });
- }
- }
- function checkEnumMember(node) {
- if (ts.isPrivateIdentifier(node.name)) {
- error(node, ts.Diagnostics.An_enum_member_cannot_be_named_with_a_private_identifier);
- }
- }
- function getFirstNonAmbientClassOrFunctionDeclaration(symbol) {
- var declarations = symbol.declarations;
- for (var _i = 0, declarations_8 = declarations; _i < declarations_8.length; _i++) {
- var declaration = declarations_8[_i];
- if ((declaration.kind === 245 /* ClassDeclaration */ ||
- (declaration.kind === 244 /* FunctionDeclaration */ && ts.nodeIsPresent(declaration.body))) &&
- !(declaration.flags & 8388608 /* Ambient */)) {
- return declaration;
- }
- }
- return undefined;
- }
- function inSameLexicalScope(node1, node2) {
- var container1 = ts.getEnclosingBlockScopeContainer(node1);
- var container2 = ts.getEnclosingBlockScopeContainer(node2);
- if (isGlobalSourceFile(container1)) {
- return isGlobalSourceFile(container2);
- }
- else if (isGlobalSourceFile(container2)) {
- return false;
- }
- else {
- return container1 === container2;
- }
- }
- function checkModuleDeclaration(node) {
- if (produceDiagnostics) {
- // Grammar checking
- var isGlobalAugmentation = ts.isGlobalScopeAugmentation(node);
- var inAmbientContext = node.flags & 8388608 /* Ambient */;
- if (isGlobalAugmentation && !inAmbientContext) {
- error(node.name, ts.Diagnostics.Augmentations_for_the_global_scope_should_have_declare_modifier_unless_they_appear_in_already_ambient_context);
- }
- var isAmbientExternalModule = ts.isAmbientModule(node);
- var contextErrorMessage = isAmbientExternalModule
- ? ts.Diagnostics.An_ambient_module_declaration_is_only_allowed_at_the_top_level_in_a_file
- : ts.Diagnostics.A_namespace_declaration_is_only_allowed_in_a_namespace_or_module;
- if (checkGrammarModuleElementContext(node, contextErrorMessage)) {
- // If we hit a module declaration in an illegal context, just bail out to avoid cascading errors.
- return;
- }
- if (!checkGrammarDecoratorsAndModifiers(node)) {
- if (!inAmbientContext && node.name.kind === 10 /* StringLiteral */) {
- grammarErrorOnNode(node.name, ts.Diagnostics.Only_ambient_modules_can_use_quoted_names);
- }
- }
- if (ts.isIdentifier(node.name)) {
- checkCollisionWithRequireExportsInGeneratedCode(node, node.name);
- checkCollisionWithGlobalPromiseInGeneratedCode(node, node.name);
- }
- checkExportsOnMergedDeclarations(node);
- var symbol = getSymbolOfNode(node);
- // The following checks only apply on a non-ambient instantiated module declaration.
- if (symbol.flags & 512 /* ValueModule */
- && !inAmbientContext
- && symbol.declarations.length > 1
- && isInstantiatedModule(node, !!compilerOptions.preserveConstEnums || !!compilerOptions.isolatedModules)) {
- var firstNonAmbientClassOrFunc = getFirstNonAmbientClassOrFunctionDeclaration(symbol);
- if (firstNonAmbientClassOrFunc) {
- if (ts.getSourceFileOfNode(node) !== ts.getSourceFileOfNode(firstNonAmbientClassOrFunc)) {
- error(node.name, ts.Diagnostics.A_namespace_declaration_cannot_be_in_a_different_file_from_a_class_or_function_with_which_it_is_merged);
- }
- else if (node.pos < firstNonAmbientClassOrFunc.pos) {
- error(node.name, ts.Diagnostics.A_namespace_declaration_cannot_be_located_prior_to_a_class_or_function_with_which_it_is_merged);
- }
- }
- // if the module merges with a class declaration in the same lexical scope,
- // we need to track this to ensure the correct emit.
- var mergedClass = ts.getDeclarationOfKind(symbol, 245 /* ClassDeclaration */);
- if (mergedClass &&
- inSameLexicalScope(node, mergedClass)) {
- getNodeLinks(node).flags |= 32768 /* LexicalModuleMergesWithClass */;
- }
- }
- if (isAmbientExternalModule) {
- if (ts.isExternalModuleAugmentation(node)) {
- // body of the augmentation should be checked for consistency only if augmentation was applied to its target (either global scope or module)
- // otherwise we'll be swamped in cascading errors.
- // We can detect if augmentation was applied using following rules:
- // - augmentation for a global scope is always applied
- // - augmentation for some external module is applied if symbol for augmentation is merged (it was combined with target module).
- var checkBody = isGlobalAugmentation || (getSymbolOfNode(node).flags & 33554432 /* Transient */);
- if (checkBody && node.body) {
- for (var _i = 0, _a = node.body.statements; _i < _a.length; _i++) {
- var statement = _a[_i];
- checkModuleAugmentationElement(statement, isGlobalAugmentation);
- }
- }
- }
- else if (isGlobalSourceFile(node.parent)) {
- if (isGlobalAugmentation) {
- error(node.name, ts.Diagnostics.Augmentations_for_the_global_scope_can_only_be_directly_nested_in_external_modules_or_ambient_module_declarations);
- }
- else if (ts.isExternalModuleNameRelative(ts.getTextOfIdentifierOrLiteral(node.name))) {
- error(node.name, ts.Diagnostics.Ambient_module_declaration_cannot_specify_relative_module_name);
- }
- }
- else {
- if (isGlobalAugmentation) {
- error(node.name, ts.Diagnostics.Augmentations_for_the_global_scope_can_only_be_directly_nested_in_external_modules_or_ambient_module_declarations);
- }
- else {
- // Node is not an augmentation and is not located on the script level.
- // This means that this is declaration of ambient module that is located in other module or namespace which is prohibited.
- error(node.name, ts.Diagnostics.Ambient_modules_cannot_be_nested_in_other_modules_or_namespaces);
- }
- }
- }
- }
- if (node.body) {
- checkSourceElement(node.body);
- if (!ts.isGlobalScopeAugmentation(node)) {
- registerForUnusedIdentifiersCheck(node);
- }
- }
- }
- function checkModuleAugmentationElement(node, isGlobalAugmentation) {
- switch (node.kind) {
- case 225 /* VariableStatement */:
- // error each individual name in variable statement instead of marking the entire variable statement
- for (var _i = 0, _a = node.declarationList.declarations; _i < _a.length; _i++) {
- var decl = _a[_i];
- checkModuleAugmentationElement(decl, isGlobalAugmentation);
- }
- break;
- case 259 /* ExportAssignment */:
- case 260 /* ExportDeclaration */:
- grammarErrorOnFirstToken(node, ts.Diagnostics.Exports_and_export_assignments_are_not_permitted_in_module_augmentations);
- break;
- case 253 /* ImportEqualsDeclaration */:
- case 254 /* ImportDeclaration */:
- grammarErrorOnFirstToken(node, ts.Diagnostics.Imports_are_not_permitted_in_module_augmentations_Consider_moving_them_to_the_enclosing_external_module);
- break;
- case 191 /* BindingElement */:
- case 242 /* VariableDeclaration */:
- var name = node.name;
- if (ts.isBindingPattern(name)) {
- for (var _b = 0, _c = name.elements; _b < _c.length; _b++) {
- var el = _c[_b];
- // mark individual names in binding pattern
- checkModuleAugmentationElement(el, isGlobalAugmentation);
- }
- break;
- }
- // falls through
- case 245 /* ClassDeclaration */:
- case 248 /* EnumDeclaration */:
- case 244 /* FunctionDeclaration */:
- case 246 /* InterfaceDeclaration */:
- case 249 /* ModuleDeclaration */:
- case 247 /* TypeAliasDeclaration */:
- if (isGlobalAugmentation) {
- return;
- }
- var symbol = getSymbolOfNode(node);
- if (symbol) {
- // module augmentations cannot introduce new names on the top level scope of the module
- // this is done it two steps
- // 1. quick check - if symbol for node is not merged - this is local symbol to this augmentation - report error
- // 2. main check - report error if value declaration of the parent symbol is module augmentation)
- var reportError = !(symbol.flags & 33554432 /* Transient */);
- if (!reportError) {
- // symbol should not originate in augmentation
- reportError = !!symbol.parent && ts.isExternalModuleAugmentation(symbol.parent.declarations[0]);
- }
- }
- break;
- }
- }
- function getFirstNonModuleExportsIdentifier(node) {
- switch (node.kind) {
- case 75 /* Identifier */:
- return node;
- case 153 /* QualifiedName */:
- do {
- node = node.left;
- } while (node.kind !== 75 /* Identifier */);
- return node;
- case 194 /* PropertyAccessExpression */:
- do {
- if (ts.isModuleExportsAccessExpression(node.expression) && !ts.isPrivateIdentifier(node.name)) {
- return node.name;
- }
- node = node.expression;
- } while (node.kind !== 75 /* Identifier */);
- return node;
- }
- }
- function checkExternalImportOrExportDeclaration(node) {
- var moduleName = ts.getExternalModuleName(node);
- if (!moduleName || ts.nodeIsMissing(moduleName)) {
- // Should be a parse error.
- return false;
- }
- if (!ts.isStringLiteral(moduleName)) {
- error(moduleName, ts.Diagnostics.String_literal_expected);
- return false;
- }
- var inAmbientExternalModule = node.parent.kind === 250 /* ModuleBlock */ && ts.isAmbientModule(node.parent.parent);
- if (node.parent.kind !== 290 /* SourceFile */ && !inAmbientExternalModule) {
- error(moduleName, node.kind === 260 /* ExportDeclaration */ ?
- ts.Diagnostics.Export_declarations_are_not_permitted_in_a_namespace :
- ts.Diagnostics.Import_declarations_in_a_namespace_cannot_reference_a_module);
- return false;
- }
- if (inAmbientExternalModule && ts.isExternalModuleNameRelative(moduleName.text)) {
- // we have already reported errors on top level imports/exports in external module augmentations in checkModuleDeclaration
- // no need to do this again.
- if (!isTopLevelInExternalModuleAugmentation(node)) {
- // TypeScript 1.0 spec (April 2013): 12.1.6
- // An ExternalImportDeclaration in an AmbientExternalModuleDeclaration may reference
- // other external modules only through top - level external module names.
- // Relative external module names are not permitted.
- error(node, ts.Diagnostics.Import_or_export_declaration_in_an_ambient_module_declaration_cannot_reference_module_through_relative_module_name);
- return false;
- }
- }
- return true;
- }
- function checkAliasSymbol(node) {
- var symbol = getSymbolOfNode(node);
- var target = resolveAlias(symbol);
- var shouldSkipWithJSExpandoTargets = symbol.flags & 67108864 /* Assignment */;
- if (!shouldSkipWithJSExpandoTargets && target !== unknownSymbol) {
- // For external modules symbol represents local symbol for an alias.
- // This local symbol will merge any other local declarations (excluding other aliases)
- // and symbol.flags will contains combined representation for all merged declaration.
- // Based on symbol.flags we can compute a set of excluded meanings (meaning that resolved alias should not have,
- // otherwise it will conflict with some local declaration). Note that in addition to normal flags we include matching SymbolFlags.Export*
- // in order to prevent collisions with declarations that were exported from the current module (they still contribute to local names).
- symbol = getMergedSymbol(symbol.exportSymbol || symbol);
- var excludedMeanings = (symbol.flags & (111551 /* Value */ | 1048576 /* ExportValue */) ? 111551 /* Value */ : 0) |
- (symbol.flags & 788968 /* Type */ ? 788968 /* Type */ : 0) |
- (symbol.flags & 1920 /* Namespace */ ? 1920 /* Namespace */ : 0);
- if (target.flags & excludedMeanings) {
- var message = node.kind === 263 /* ExportSpecifier */ ?
- ts.Diagnostics.Export_declaration_conflicts_with_exported_declaration_of_0 :
- ts.Diagnostics.Import_declaration_conflicts_with_local_declaration_of_0;
- error(node, message, symbolToString(symbol));
- }
- // Don't allow to re-export something with no value side when `--isolatedModules` is set.
- if (compilerOptions.isolatedModules
- && node.kind === 263 /* ExportSpecifier */
- && !node.parent.parent.isTypeOnly
- && !(target.flags & 111551 /* Value */)
- && !(node.flags & 8388608 /* Ambient */)) {
- error(node, ts.Diagnostics.Re_exporting_a_type_when_the_isolatedModules_flag_is_provided_requires_using_export_type);
- }
- }
- }
- function checkImportBinding(node) {
- checkCollisionWithRequireExportsInGeneratedCode(node, node.name);
- checkCollisionWithGlobalPromiseInGeneratedCode(node, node.name);
- checkAliasSymbol(node);
- }
- function checkImportDeclaration(node) {
- if (checkGrammarModuleElementContext(node, ts.Diagnostics.An_import_declaration_can_only_be_used_in_a_namespace_or_module)) {
- // If we hit an import declaration in an illegal context, just bail out to avoid cascading errors.
- return;
- }
- if (!checkGrammarDecoratorsAndModifiers(node) && ts.hasModifiers(node)) {
- grammarErrorOnFirstToken(node, ts.Diagnostics.An_import_declaration_cannot_have_modifiers);
- }
- if (checkExternalImportOrExportDeclaration(node)) {
- var importClause = node.importClause;
- if (importClause && !checkGrammarImportClause(importClause)) {
- if (importClause.name) {
- checkImportBinding(importClause);
- }
- if (importClause.namedBindings) {
- if (importClause.namedBindings.kind === 256 /* NamespaceImport */) {
- checkImportBinding(importClause.namedBindings);
- }
- else {
- var moduleExisted = resolveExternalModuleName(node, node.moduleSpecifier);
- if (moduleExisted) {
- ts.forEach(importClause.namedBindings.elements, checkImportBinding);
- }
- }
- }
- }
- }
- }
- function checkImportEqualsDeclaration(node) {
- if (checkGrammarModuleElementContext(node, ts.Diagnostics.An_import_declaration_can_only_be_used_in_a_namespace_or_module)) {
- // If we hit an import declaration in an illegal context, just bail out to avoid cascading errors.
- return;
- }
- checkGrammarDecoratorsAndModifiers(node);
- if (ts.isInternalModuleImportEqualsDeclaration(node) || checkExternalImportOrExportDeclaration(node)) {
- checkImportBinding(node);
- if (ts.hasModifier(node, 1 /* Export */)) {
- markExportAsReferenced(node);
- }
- if (node.moduleReference.kind !== 265 /* ExternalModuleReference */) {
- var target = resolveAlias(getSymbolOfNode(node));
- if (target !== unknownSymbol) {
- if (target.flags & 111551 /* Value */) {
- // Target is a value symbol, check that it is not hidden by a local declaration with the same name
- var moduleName = ts.getFirstIdentifier(node.moduleReference);
- if (!(resolveEntityName(moduleName, 111551 /* Value */ | 1920 /* Namespace */).flags & 1920 /* Namespace */)) {
- error(moduleName, ts.Diagnostics.Module_0_is_hidden_by_a_local_declaration_with_the_same_name, ts.declarationNameToString(moduleName));
- }
- }
- if (target.flags & 788968 /* Type */) {
- checkTypeNameIsReserved(node.name, ts.Diagnostics.Import_name_cannot_be_0);
- }
- }
- }
- else {
- if (moduleKind >= ts.ModuleKind.ES2015 && !(node.flags & 8388608 /* Ambient */)) {
- // Import equals declaration is deprecated in es6 or above
- grammarErrorOnNode(node, ts.Diagnostics.Import_assignment_cannot_be_used_when_targeting_ECMAScript_modules_Consider_using_import_Asterisk_as_ns_from_mod_import_a_from_mod_import_d_from_mod_or_another_module_format_instead);
- }
- }
- }
- }
- function checkExportDeclaration(node) {
- if (checkGrammarModuleElementContext(node, ts.Diagnostics.An_export_declaration_can_only_be_used_in_a_module)) {
- // If we hit an export in an illegal context, just bail out to avoid cascading errors.
- return;
- }
- if (!checkGrammarDecoratorsAndModifiers(node) && ts.hasModifiers(node)) {
- grammarErrorOnFirstToken(node, ts.Diagnostics.An_export_declaration_cannot_have_modifiers);
- }
- if (node.moduleSpecifier && node.exportClause && ts.isNamedExports(node.exportClause) && ts.length(node.exportClause.elements) && languageVersion === 0 /* ES3 */) {
- checkExternalEmitHelpers(node, 1048576 /* CreateBinding */);
- }
- checkGrammarExportDeclaration(node);
- if (!node.moduleSpecifier || checkExternalImportOrExportDeclaration(node)) {
- if (node.exportClause && !ts.isNamespaceExport(node.exportClause)) {
- // export { x, y }
- // export { x, y } from "foo"
- ts.forEach(node.exportClause.elements, checkExportSpecifier);
- var inAmbientExternalModule = node.parent.kind === 250 /* ModuleBlock */ && ts.isAmbientModule(node.parent.parent);
- var inAmbientNamespaceDeclaration = !inAmbientExternalModule && node.parent.kind === 250 /* ModuleBlock */ &&
- !node.moduleSpecifier && node.flags & 8388608 /* Ambient */;
- if (node.parent.kind !== 290 /* SourceFile */ && !inAmbientExternalModule && !inAmbientNamespaceDeclaration) {
- error(node, ts.Diagnostics.Export_declarations_are_not_permitted_in_a_namespace);
- }
- }
- else {
- // export * from "foo"
- var moduleSymbol = resolveExternalModuleName(node, node.moduleSpecifier);
- if (moduleSymbol && hasExportAssignmentSymbol(moduleSymbol)) {
- error(node.moduleSpecifier, ts.Diagnostics.Module_0_uses_export_and_cannot_be_used_with_export_Asterisk, symbolToString(moduleSymbol));
- }
- else if (node.exportClause) {
- checkAliasSymbol(node.exportClause);
- }
- if (moduleKind !== ts.ModuleKind.System && moduleKind < ts.ModuleKind.ES2015) {
- checkExternalEmitHelpers(node, 65536 /* ExportStar */);
- }
- }
- }
- }
- function checkGrammarExportDeclaration(node) {
- var _a;
- var isTypeOnlyExportStar = node.isTypeOnly && ((_a = node.exportClause) === null || _a === void 0 ? void 0 : _a.kind) !== 261 /* NamedExports */;
- if (isTypeOnlyExportStar) {
- grammarErrorOnNode(node, ts.Diagnostics.Only_named_exports_may_use_export_type);
- }
- return !isTypeOnlyExportStar;
- }
- function checkGrammarModuleElementContext(node, errorMessage) {
- var isInAppropriateContext = node.parent.kind === 290 /* SourceFile */ || node.parent.kind === 250 /* ModuleBlock */ || node.parent.kind === 249 /* ModuleDeclaration */;
- if (!isInAppropriateContext) {
- grammarErrorOnFirstToken(node, errorMessage);
- }
- return !isInAppropriateContext;
- }
- function importClauseContainsReferencedImport(importClause) {
- return ts.forEachImportClauseDeclaration(importClause, function (declaration) {
- return !!getSymbolOfNode(declaration).isReferenced;
- });
- }
- function importClauseContainsConstEnumUsedAsValue(importClause) {
- return ts.forEachImportClauseDeclaration(importClause, function (declaration) {
- return !!getSymbolLinks(getSymbolOfNode(declaration)).constEnumReferenced;
- });
- }
- function checkImportsForTypeOnlyConversion(sourceFile) {
- for (var _i = 0, _a = sourceFile.statements; _i < _a.length; _i++) {
- var statement = _a[_i];
- if (ts.isImportDeclaration(statement) &&
- statement.importClause &&
- !statement.importClause.isTypeOnly &&
- importClauseContainsReferencedImport(statement.importClause) &&
- !isReferencedAliasDeclaration(statement.importClause, /*checkChildren*/ true) &&
- !importClauseContainsConstEnumUsedAsValue(statement.importClause)) {
- error(statement, ts.Diagnostics.This_import_is_never_used_as_a_value_and_must_use_import_type_because_the_importsNotUsedAsValues_is_set_to_error);
- }
- }
- }
- function checkExportSpecifier(node) {
- checkAliasSymbol(node);
- if (ts.getEmitDeclarations(compilerOptions)) {
- collectLinkedAliases(node.propertyName || node.name, /*setVisibility*/ true);
- }
- if (!node.parent.parent.moduleSpecifier) {
- var exportedName = node.propertyName || node.name;
- // find immediate value referenced by exported name (SymbolFlags.Alias is set so we don't chase down aliases)
- var symbol = resolveName(exportedName, exportedName.escapedText, 111551 /* Value */ | 788968 /* Type */ | 1920 /* Namespace */ | 2097152 /* Alias */,
- /*nameNotFoundMessage*/ undefined, /*nameArg*/ undefined, /*isUse*/ true);
- if (symbol && (symbol === undefinedSymbol || symbol === globalThisSymbol || isGlobalSourceFile(getDeclarationContainer(symbol.declarations[0])))) {
- error(exportedName, ts.Diagnostics.Cannot_export_0_Only_local_declarations_can_be_exported_from_a_module, ts.idText(exportedName));
- }
- else {
- markExportAsReferenced(node);
- var target = symbol && (symbol.flags & 2097152 /* Alias */ ? resolveAlias(symbol) : symbol);
- if (!target || target === unknownSymbol || target.flags & 111551 /* Value */) {
- checkExpressionCached(node.propertyName || node.name);
- }
- }
- }
- }
- function checkExportAssignment(node) {
- if (checkGrammarModuleElementContext(node, ts.Diagnostics.An_export_assignment_can_only_be_used_in_a_module)) {
- // If we hit an export assignment in an illegal context, just bail out to avoid cascading errors.
- return;
- }
- var container = node.parent.kind === 290 /* SourceFile */ ? node.parent : node.parent.parent;
- if (container.kind === 249 /* ModuleDeclaration */ && !ts.isAmbientModule(container)) {
- if (node.isExportEquals) {
- error(node, ts.Diagnostics.An_export_assignment_cannot_be_used_in_a_namespace);
- }
- else {
- error(node, ts.Diagnostics.A_default_export_can_only_be_used_in_an_ECMAScript_style_module);
- }
- return;
- }
- // Grammar checking
- if (!checkGrammarDecoratorsAndModifiers(node) && ts.hasModifiers(node)) {
- grammarErrorOnFirstToken(node, ts.Diagnostics.An_export_assignment_cannot_have_modifiers);
- }
- if (node.expression.kind === 75 /* Identifier */) {
- var id = node.expression;
- var sym = resolveEntityName(id, 67108863 /* All */, /*ignoreErrors*/ true, /*dontResolveAlias*/ true, node);
- if (sym) {
- markAliasReferenced(sym, id);
- // If not a value, we're interpreting the identifier as a type export, along the lines of (`export { Id as default }`)
- var target = sym.flags & 2097152 /* Alias */ ? resolveAlias(sym) : sym;
- if (target === unknownSymbol || target.flags & 111551 /* Value */) {
- // However if it is a value, we need to check it's being used correctly
- checkExpressionCached(node.expression);
- }
- }
- if (ts.getEmitDeclarations(compilerOptions)) {
- collectLinkedAliases(node.expression, /*setVisibility*/ true);
- }
- }
- else {
- checkExpressionCached(node.expression);
- }
- checkExternalModuleExports(container);
- if ((node.flags & 8388608 /* Ambient */) && !ts.isEntityNameExpression(node.expression)) {
- grammarErrorOnNode(node.expression, ts.Diagnostics.The_expression_of_an_export_assignment_must_be_an_identifier_or_qualified_name_in_an_ambient_context);
- }
- if (node.isExportEquals && !(node.flags & 8388608 /* Ambient */)) {
- if (moduleKind >= ts.ModuleKind.ES2015) {
- // export assignment is not supported in es6 modules
- grammarErrorOnNode(node, ts.Diagnostics.Export_assignment_cannot_be_used_when_targeting_ECMAScript_modules_Consider_using_export_default_or_another_module_format_instead);
- }
- else if (moduleKind === ts.ModuleKind.System) {
- // system modules does not support export assignment
- grammarErrorOnNode(node, ts.Diagnostics.Export_assignment_is_not_supported_when_module_flag_is_system);
- }
- }
- }
- function hasExportedMembers(moduleSymbol) {
- return ts.forEachEntry(moduleSymbol.exports, function (_, id) { return id !== "export="; });
- }
- function checkExternalModuleExports(node) {
- var moduleSymbol = getSymbolOfNode(node);
- var links = getSymbolLinks(moduleSymbol);
- if (!links.exportsChecked) {
- var exportEqualsSymbol = moduleSymbol.exports.get("export=");
- if (exportEqualsSymbol && hasExportedMembers(moduleSymbol)) {
- var declaration = getDeclarationOfAliasSymbol(exportEqualsSymbol) || exportEqualsSymbol.valueDeclaration;
- if (!isTopLevelInExternalModuleAugmentation(declaration) && !ts.isInJSFile(declaration)) {
- error(declaration, ts.Diagnostics.An_export_assignment_cannot_be_used_in_a_module_with_other_exported_elements);
- }
- }
- // Checks for export * conflicts
- var exports_2 = getExportsOfModule(moduleSymbol);
- if (exports_2) {
- exports_2.forEach(function (_a, id) {
- var declarations = _a.declarations, flags = _a.flags;
- if (id === "__export") {
- return;
- }
- // ECMA262: 15.2.1.1 It is a Syntax Error if the ExportedNames of ModuleItemList contains any duplicate entries.
- // (TS Exceptions: namespaces, function overloads, enums, and interfaces)
- if (flags & (1920 /* Namespace */ | 64 /* Interface */ | 384 /* Enum */)) {
- return;
- }
- var exportedDeclarationsCount = ts.countWhere(declarations, isNotOverloadAndNotAccessor);
- if (flags & 524288 /* TypeAlias */ && exportedDeclarationsCount <= 2) {
- // it is legal to merge type alias with other values
- // so count should be either 1 (just type alias) or 2 (type alias + merged value)
- return;
- }
- if (exportedDeclarationsCount > 1) {
- for (var _i = 0, declarations_9 = declarations; _i < declarations_9.length; _i++) {
- var declaration = declarations_9[_i];
- if (isNotOverload(declaration)) {
- diagnostics.add(ts.createDiagnosticForNode(declaration, ts.Diagnostics.Cannot_redeclare_exported_variable_0, ts.unescapeLeadingUnderscores(id)));
- }
- }
- }
- });
- }
- links.exportsChecked = true;
- }
- }
- function checkSourceElement(node) {
- if (node) {
- var saveCurrentNode = currentNode;
- currentNode = node;
- instantiationCount = 0;
- checkSourceElementWorker(node);
- currentNode = saveCurrentNode;
- }
- }
- function checkSourceElementWorker(node) {
- if (ts.isInJSFile(node)) {
- ts.forEach(node.jsDoc, function (_a) {
- var tags = _a.tags;
- return ts.forEach(tags, checkSourceElement);
- });
- }
- var kind = node.kind;
- if (cancellationToken) {
- // Only bother checking on a few construct kinds. We don't want to be excessively
- // hitting the cancellation token on every node we check.
- switch (kind) {
- case 249 /* ModuleDeclaration */:
- case 245 /* ClassDeclaration */:
- case 246 /* InterfaceDeclaration */:
- case 244 /* FunctionDeclaration */:
- cancellationToken.throwIfCancellationRequested();
- }
- }
- if (kind >= 225 /* FirstStatement */ && kind <= 241 /* LastStatement */ && node.flowNode && !isReachableFlowNode(node.flowNode)) {
- errorOrSuggestion(compilerOptions.allowUnreachableCode === false, node, ts.Diagnostics.Unreachable_code_detected);
- }
- switch (kind) {
- case 155 /* TypeParameter */:
- return checkTypeParameter(node);
- case 156 /* Parameter */:
- return checkParameter(node);
- case 159 /* PropertyDeclaration */:
- return checkPropertyDeclaration(node);
- case 158 /* PropertySignature */:
- return checkPropertySignature(node);
- case 170 /* FunctionType */:
- case 171 /* ConstructorType */:
- case 165 /* CallSignature */:
- case 166 /* ConstructSignature */:
- case 167 /* IndexSignature */:
- return checkSignatureDeclaration(node);
- case 161 /* MethodDeclaration */:
- case 160 /* MethodSignature */:
- return checkMethodDeclaration(node);
- case 162 /* Constructor */:
- return checkConstructorDeclaration(node);
- case 163 /* GetAccessor */:
- case 164 /* SetAccessor */:
- return checkAccessorDeclaration(node);
- case 169 /* TypeReference */:
- return checkTypeReferenceNode(node);
- case 168 /* TypePredicate */:
- return checkTypePredicate(node);
- case 172 /* TypeQuery */:
- return checkTypeQuery(node);
- case 173 /* TypeLiteral */:
- return checkTypeLiteral(node);
- case 174 /* ArrayType */:
- return checkArrayType(node);
- case 175 /* TupleType */:
- return checkTupleType(node);
- case 178 /* UnionType */:
- case 179 /* IntersectionType */:
- return checkUnionOrIntersectionType(node);
- case 182 /* ParenthesizedType */:
- case 176 /* OptionalType */:
- case 177 /* RestType */:
- return checkSourceElement(node.type);
- case 183 /* ThisType */:
- return checkThisType(node);
- case 184 /* TypeOperator */:
- return checkTypeOperator(node);
- case 180 /* ConditionalType */:
- return checkConditionalType(node);
- case 181 /* InferType */:
- return checkInferType(node);
- case 188 /* ImportType */:
- return checkImportType(node);
- case 307 /* JSDocAugmentsTag */:
- return checkJSDocAugmentsTag(node);
- case 308 /* JSDocImplementsTag */:
- return checkJSDocImplementsTag(node);
- case 322 /* JSDocTypedefTag */:
- case 315 /* JSDocCallbackTag */:
- case 316 /* JSDocEnumTag */:
- return checkJSDocTypeAliasTag(node);
- case 321 /* JSDocTemplateTag */:
- return checkJSDocTemplateTag(node);
- case 320 /* JSDocTypeTag */:
- return checkJSDocTypeTag(node);
- case 317 /* JSDocParameterTag */:
- return checkJSDocParameterTag(node);
- case 323 /* JSDocPropertyTag */:
- return checkJSDocPropertyTag(node);
- case 300 /* JSDocFunctionType */:
- checkJSDocFunctionType(node);
- // falls through
- case 298 /* JSDocNonNullableType */:
- case 297 /* JSDocNullableType */:
- case 295 /* JSDocAllType */:
- case 296 /* JSDocUnknownType */:
- case 304 /* JSDocTypeLiteral */:
- checkJSDocTypeIsInJsFile(node);
- ts.forEachChild(node, checkSourceElement);
- return;
- case 301 /* JSDocVariadicType */:
- checkJSDocVariadicType(node);
- return;
- case 294 /* JSDocTypeExpression */:
- return checkSourceElement(node.type);
- case 185 /* IndexedAccessType */:
- return checkIndexedAccessType(node);
- case 186 /* MappedType */:
- return checkMappedType(node);
- case 244 /* FunctionDeclaration */:
- return checkFunctionDeclaration(node);
- case 223 /* Block */:
- case 250 /* ModuleBlock */:
- return checkBlock(node);
- case 225 /* VariableStatement */:
- return checkVariableStatement(node);
- case 226 /* ExpressionStatement */:
- return checkExpressionStatement(node);
- case 227 /* IfStatement */:
- return checkIfStatement(node);
- case 228 /* DoStatement */:
- return checkDoStatement(node);
- case 229 /* WhileStatement */:
- return checkWhileStatement(node);
- case 230 /* ForStatement */:
- return checkForStatement(node);
- case 231 /* ForInStatement */:
- return checkForInStatement(node);
- case 232 /* ForOfStatement */:
- return checkForOfStatement(node);
- case 233 /* ContinueStatement */:
- case 234 /* BreakStatement */:
- return checkBreakOrContinueStatement(node);
- case 235 /* ReturnStatement */:
- return checkReturnStatement(node);
- case 236 /* WithStatement */:
- return checkWithStatement(node);
- case 237 /* SwitchStatement */:
- return checkSwitchStatement(node);
- case 238 /* LabeledStatement */:
- return checkLabeledStatement(node);
- case 239 /* ThrowStatement */:
- return checkThrowStatement(node);
- case 240 /* TryStatement */:
- return checkTryStatement(node);
- case 242 /* VariableDeclaration */:
- return checkVariableDeclaration(node);
- case 191 /* BindingElement */:
- return checkBindingElement(node);
- case 245 /* ClassDeclaration */:
- return checkClassDeclaration(node);
- case 246 /* InterfaceDeclaration */:
- return checkInterfaceDeclaration(node);
- case 247 /* TypeAliasDeclaration */:
- return checkTypeAliasDeclaration(node);
- case 248 /* EnumDeclaration */:
- return checkEnumDeclaration(node);
- case 249 /* ModuleDeclaration */:
- return checkModuleDeclaration(node);
- case 254 /* ImportDeclaration */:
- return checkImportDeclaration(node);
- case 253 /* ImportEqualsDeclaration */:
- return checkImportEqualsDeclaration(node);
- case 260 /* ExportDeclaration */:
- return checkExportDeclaration(node);
- case 259 /* ExportAssignment */:
- return checkExportAssignment(node);
- case 224 /* EmptyStatement */:
- case 241 /* DebuggerStatement */:
- checkGrammarStatementInAmbientContext(node);
- return;
- case 264 /* MissingDeclaration */:
- return checkMissingDeclaration(node);
- }
- }
- function checkJSDocTypeIsInJsFile(node) {
- if (!ts.isInJSFile(node)) {
- grammarErrorOnNode(node, ts.Diagnostics.JSDoc_types_can_only_be_used_inside_documentation_comments);
- }
- }
- function checkJSDocVariadicType(node) {
- checkJSDocTypeIsInJsFile(node);
- checkSourceElement(node.type);
- // Only legal location is in the *last* parameter tag or last parameter of a JSDoc function.
- var parent = node.parent;
- if (ts.isParameter(parent) && ts.isJSDocFunctionType(parent.parent)) {
- if (ts.last(parent.parent.parameters) !== parent) {
- error(node, ts.Diagnostics.A_rest_parameter_must_be_last_in_a_parameter_list);
- }
- return;
- }
- if (!ts.isJSDocTypeExpression(parent)) {
- error(node, ts.Diagnostics.JSDoc_may_only_appear_in_the_last_parameter_of_a_signature);
- }
- var paramTag = node.parent.parent;
- if (!ts.isJSDocParameterTag(paramTag)) {
- error(node, ts.Diagnostics.JSDoc_may_only_appear_in_the_last_parameter_of_a_signature);
- return;
- }
- var param = ts.getParameterSymbolFromJSDoc(paramTag);
- if (!param) {
- // We will error in `checkJSDocParameterTag`.
- return;
- }
- var host = ts.getHostSignatureFromJSDoc(paramTag);
- if (!host || ts.last(host.parameters).symbol !== param) {
- error(node, ts.Diagnostics.A_rest_parameter_must_be_last_in_a_parameter_list);
- }
- }
- function getTypeFromJSDocVariadicType(node) {
- var type = getTypeFromTypeNode(node.type);
- var parent = node.parent;
- var paramTag = node.parent.parent;
- if (ts.isJSDocTypeExpression(node.parent) && ts.isJSDocParameterTag(paramTag)) {
- // Else we will add a diagnostic, see `checkJSDocVariadicType`.
- var host_1 = ts.getHostSignatureFromJSDoc(paramTag);
- if (host_1) {
- /*
- Only return an array type if the corresponding parameter is marked as a rest parameter, or if there are no parameters.
- So in the following situation we will not create an array type:
- /** @param {...number} a * /
- function f(a) {}
- Because `a` will just be of type `number | undefined`. A synthetic `...args` will also be added, which *will* get an array type.
- */
- var lastParamDeclaration = ts.lastOrUndefined(host_1.parameters);
- var symbol = ts.getParameterSymbolFromJSDoc(paramTag);
- if (!lastParamDeclaration ||
- symbol && lastParamDeclaration.symbol === symbol && ts.isRestParameter(lastParamDeclaration)) {
- return createArrayType(type);
- }
- }
- }
- if (ts.isParameter(parent) && ts.isJSDocFunctionType(parent.parent)) {
- return createArrayType(type);
- }
- return addOptionality(type);
- }
- // Function and class expression bodies are checked after all statements in the enclosing body. This is
- // to ensure constructs like the following are permitted:
- // const foo = function () {
- // const s = foo();
- // return "hello";
- // }
- // Here, performing a full type check of the body of the function expression whilst in the process of
- // determining the type of foo would cause foo to be given type any because of the recursive reference.
- // Delaying the type check of the body ensures foo has been assigned a type.
- function checkNodeDeferred(node) {
- var enclosingFile = ts.getSourceFileOfNode(node);
- var links = getNodeLinks(enclosingFile);
- if (!(links.flags & 1 /* TypeChecked */)) {
- links.deferredNodes = links.deferredNodes || ts.createMap();
- var id = "" + getNodeId(node);
- links.deferredNodes.set(id, node);
- }
- }
- function checkDeferredNodes(context) {
- var links = getNodeLinks(context);
- if (links.deferredNodes) {
- links.deferredNodes.forEach(checkDeferredNode);
- }
- }
- function checkDeferredNode(node) {
- var saveCurrentNode = currentNode;
- currentNode = node;
- instantiationCount = 0;
- switch (node.kind) {
- case 196 /* CallExpression */:
- case 197 /* NewExpression */:
- case 198 /* TaggedTemplateExpression */:
- case 157 /* Decorator */:
- case 268 /* JsxOpeningElement */:
- // These node kinds are deferred checked when overload resolution fails
- // To save on work, we ensure the arguments are checked just once, in
- // a deferred way
- resolveUntypedCall(node);
- break;
- case 201 /* FunctionExpression */:
- case 202 /* ArrowFunction */:
- case 161 /* MethodDeclaration */:
- case 160 /* MethodSignature */:
- checkFunctionExpressionOrObjectLiteralMethodDeferred(node);
- break;
- case 163 /* GetAccessor */:
- case 164 /* SetAccessor */:
- checkAccessorDeclaration(node);
- break;
- case 214 /* ClassExpression */:
- checkClassExpressionDeferred(node);
- break;
- case 267 /* JsxSelfClosingElement */:
- checkJsxSelfClosingElementDeferred(node);
- break;
- case 266 /* JsxElement */:
- checkJsxElementDeferred(node);
- break;
- }
- currentNode = saveCurrentNode;
- }
- function checkSourceFile(node) {
- ts.performance.mark("beforeCheck");
- checkSourceFileWorker(node);
- ts.performance.mark("afterCheck");
- ts.performance.measure("Check", "beforeCheck", "afterCheck");
- }
- function unusedIsError(kind, isAmbient) {
- if (isAmbient) {
- return false;
- }
- switch (kind) {
- case 0 /* Local */:
- return !!compilerOptions.noUnusedLocals;
- case 1 /* Parameter */:
- return !!compilerOptions.noUnusedParameters;
- default:
- return ts.Debug.assertNever(kind);
- }
- }
- function getPotentiallyUnusedIdentifiers(sourceFile) {
- return allPotentiallyUnusedIdentifiers.get(sourceFile.path) || ts.emptyArray;
- }
- // Fully type check a source file and collect the relevant diagnostics.
- function checkSourceFileWorker(node) {
- var links = getNodeLinks(node);
- if (!(links.flags & 1 /* TypeChecked */)) {
- if (ts.skipTypeChecking(node, compilerOptions, host)) {
- return;
- }
- // Grammar checking
- checkGrammarSourceFile(node);
- ts.clear(potentialThisCollisions);
- ts.clear(potentialNewTargetCollisions);
- ts.clear(potentialWeakMapCollisions);
- ts.forEach(node.statements, checkSourceElement);
- checkSourceElement(node.endOfFileToken);
- checkDeferredNodes(node);
- if (ts.isExternalOrCommonJsModule(node)) {
- registerForUnusedIdentifiersCheck(node);
- }
- if (!node.isDeclarationFile && (compilerOptions.noUnusedLocals || compilerOptions.noUnusedParameters)) {
- checkUnusedIdentifiers(getPotentiallyUnusedIdentifiers(node), function (containingNode, kind, diag) {
- if (!ts.containsParseError(containingNode) && unusedIsError(kind, !!(containingNode.flags & 8388608 /* Ambient */))) {
- diagnostics.add(diag);
- }
- });
- }
- if (compilerOptions.importsNotUsedAsValues === 2 /* Error */ &&
- !node.isDeclarationFile &&
- ts.isExternalModule(node)) {
- checkImportsForTypeOnlyConversion(node);
- }
- if (ts.isExternalOrCommonJsModule(node)) {
- checkExternalModuleExports(node);
- }
- if (potentialThisCollisions.length) {
- ts.forEach(potentialThisCollisions, checkIfThisIsCapturedInEnclosingScope);
- ts.clear(potentialThisCollisions);
- }
- if (potentialNewTargetCollisions.length) {
- ts.forEach(potentialNewTargetCollisions, checkIfNewTargetIsCapturedInEnclosingScope);
- ts.clear(potentialNewTargetCollisions);
- }
- if (potentialWeakMapCollisions.length) {
- ts.forEach(potentialWeakMapCollisions, checkWeakMapCollision);
- ts.clear(potentialWeakMapCollisions);
- }
- links.flags |= 1 /* TypeChecked */;
- }
- }
- function getDiagnostics(sourceFile, ct) {
- try {
- // Record the cancellation token so it can be checked later on during checkSourceElement.
- // Do this in a finally block so we can ensure that it gets reset back to nothing after
- // this call is done.
- cancellationToken = ct;
- return getDiagnosticsWorker(sourceFile);
- }
- finally {
- cancellationToken = undefined;
- }
- }
- function getDiagnosticsWorker(sourceFile) {
- throwIfNonDiagnosticsProducing();
- if (sourceFile) {
- // Some global diagnostics are deferred until they are needed and
- // may not be reported in the first call to getGlobalDiagnostics.
- // We should catch these changes and report them.
- var previousGlobalDiagnostics = diagnostics.getGlobalDiagnostics();
- var previousGlobalDiagnosticsSize = previousGlobalDiagnostics.length;
- checkSourceFile(sourceFile);
- var semanticDiagnostics = diagnostics.getDiagnostics(sourceFile.fileName);
- var currentGlobalDiagnostics = diagnostics.getGlobalDiagnostics();
- if (currentGlobalDiagnostics !== previousGlobalDiagnostics) {
- // If the arrays are not the same reference, new diagnostics were added.
- var deferredGlobalDiagnostics = ts.relativeComplement(previousGlobalDiagnostics, currentGlobalDiagnostics, ts.compareDiagnostics);
- return ts.concatenate(deferredGlobalDiagnostics, semanticDiagnostics);
- }
- else if (previousGlobalDiagnosticsSize === 0 && currentGlobalDiagnostics.length > 0) {
- // If the arrays are the same reference, but the length has changed, a single
- // new diagnostic was added as DiagnosticCollection attempts to reuse the
- // same array.
- return ts.concatenate(currentGlobalDiagnostics, semanticDiagnostics);
- }
- return semanticDiagnostics;
- }
- // Global diagnostics are always added when a file is not provided to
- // getDiagnostics
- ts.forEach(host.getSourceFiles(), checkSourceFile);
- return diagnostics.getDiagnostics();
- }
- function getGlobalDiagnostics() {
- throwIfNonDiagnosticsProducing();
- return diagnostics.getGlobalDiagnostics();
- }
- function throwIfNonDiagnosticsProducing() {
- if (!produceDiagnostics) {
- throw new Error("Trying to get diagnostics from a type checker that does not produce them.");
- }
- }
- // Language service support
- function getSymbolsInScope(location, meaning) {
- if (location.flags & 16777216 /* InWithStatement */) {
- // We cannot answer semantic questions within a with block, do not proceed any further
- return [];
- }
- var symbols = ts.createSymbolTable();
- var isStatic = false;
- populateSymbols();
- symbols.delete("this" /* This */); // Not a symbol, a keyword
- return symbolsToArray(symbols);
- function populateSymbols() {
- while (location) {
- if (location.locals && !isGlobalSourceFile(location)) {
- copySymbols(location.locals, meaning);
- }
- switch (location.kind) {
- case 290 /* SourceFile */:
- if (!ts.isExternalOrCommonJsModule(location))
- break;
- // falls through
- case 249 /* ModuleDeclaration */:
- copySymbols(getSymbolOfNode(location).exports, meaning & 2623475 /* ModuleMember */);
- break;
- case 248 /* EnumDeclaration */:
- copySymbols(getSymbolOfNode(location).exports, meaning & 8 /* EnumMember */);
- break;
- case 214 /* ClassExpression */:
- var className = location.name;
- if (className) {
- copySymbol(location.symbol, meaning);
- }
- // this fall-through is necessary because we would like to handle
- // type parameter inside class expression similar to how we handle it in classDeclaration and interface Declaration.
- // falls through
- case 245 /* ClassDeclaration */:
- case 246 /* InterfaceDeclaration */:
- // If we didn't come from static member of class or interface,
- // add the type parameters into the symbol table
- // (type parameters of classDeclaration/classExpression and interface are in member property of the symbol.
- // Note: that the memberFlags come from previous iteration.
- if (!isStatic) {
- copySymbols(getMembersOfSymbol(getSymbolOfNode(location)), meaning & 788968 /* Type */);
- }
- break;
- case 201 /* FunctionExpression */:
- var funcName = location.name;
- if (funcName) {
- copySymbol(location.symbol, meaning);
- }
- break;
- }
- if (ts.introducesArgumentsExoticObject(location)) {
- copySymbol(argumentsSymbol, meaning);
- }
- isStatic = ts.hasModifier(location, 32 /* Static */);
- location = location.parent;
- }
- copySymbols(globals, meaning);
- }
- /**
- * Copy the given symbol into symbol tables if the symbol has the given meaning
- * and it doesn't already existed in the symbol table
- * @param key a key for storing in symbol table; if undefined, use symbol.name
- * @param symbol the symbol to be added into symbol table
- * @param meaning meaning of symbol to filter by before adding to symbol table
- */
- function copySymbol(symbol, meaning) {
- if (ts.getCombinedLocalAndExportSymbolFlags(symbol) & meaning) {
- var id = symbol.escapedName;
- // We will copy all symbol regardless of its reserved name because
- // symbolsToArray will check whether the key is a reserved name and
- // it will not copy symbol with reserved name to the array
- if (!symbols.has(id)) {
- symbols.set(id, symbol);
- }
- }
- }
- function copySymbols(source, meaning) {
- if (meaning) {
- source.forEach(function (symbol) {
- copySymbol(symbol, meaning);
- });
- }
- }
- }
- function isTypeDeclarationName(name) {
- return name.kind === 75 /* Identifier */ &&
- isTypeDeclaration(name.parent) &&
- name.parent.name === name;
- }
- function isTypeDeclaration(node) {
- switch (node.kind) {
- case 155 /* TypeParameter */:
- case 245 /* ClassDeclaration */:
- case 246 /* InterfaceDeclaration */:
- case 247 /* TypeAliasDeclaration */:
- case 248 /* EnumDeclaration */:
- return true;
- case 255 /* ImportClause */:
- return node.isTypeOnly;
- case 258 /* ImportSpecifier */:
- case 263 /* ExportSpecifier */:
- return node.parent.parent.isTypeOnly;
- default:
- return false;
- }
- }
- // True if the given identifier is part of a type reference
- function isTypeReferenceIdentifier(node) {
- while (node.parent.kind === 153 /* QualifiedName */) {
- node = node.parent;
- }
- return node.parent.kind === 169 /* TypeReference */;
- }
- function isHeritageClauseElementIdentifier(node) {
- while (node.parent.kind === 194 /* PropertyAccessExpression */) {
- node = node.parent;
- }
- return node.parent.kind === 216 /* ExpressionWithTypeArguments */;
- }
- function forEachEnclosingClass(node, callback) {
- var result;
- while (true) {
- node = ts.getContainingClass(node);
- if (!node)
- break;
- if (result = callback(node))
- break;
- }
- return result;
- }
- function isNodeUsedDuringClassInitialization(node) {
- return !!ts.findAncestor(node, function (element) {
- if (ts.isConstructorDeclaration(element) && ts.nodeIsPresent(element.body) || ts.isPropertyDeclaration(element)) {
- return true;
- }
- else if (ts.isClassLike(element) || ts.isFunctionLikeDeclaration(element)) {
- return "quit";
- }
- return false;
- });
- }
- function isNodeWithinClass(node, classDeclaration) {
- return !!forEachEnclosingClass(node, function (n) { return n === classDeclaration; });
- }
- function getLeftSideOfImportEqualsOrExportAssignment(nodeOnRightSide) {
- while (nodeOnRightSide.parent.kind === 153 /* QualifiedName */) {
- nodeOnRightSide = nodeOnRightSide.parent;
- }
- if (nodeOnRightSide.parent.kind === 253 /* ImportEqualsDeclaration */) {
- return nodeOnRightSide.parent.moduleReference === nodeOnRightSide ? nodeOnRightSide.parent : undefined;
- }
- if (nodeOnRightSide.parent.kind === 259 /* ExportAssignment */) {
- return nodeOnRightSide.parent.expression === nodeOnRightSide ? nodeOnRightSide.parent : undefined;
- }
- return undefined;
- }
- function isInRightSideOfImportOrExportAssignment(node) {
- return getLeftSideOfImportEqualsOrExportAssignment(node) !== undefined;
- }
- function getSpecialPropertyAssignmentSymbolFromEntityName(entityName) {
- var specialPropertyAssignmentKind = ts.getAssignmentDeclarationKind(entityName.parent.parent);
- switch (specialPropertyAssignmentKind) {
- case 1 /* ExportsProperty */:
- case 3 /* PrototypeProperty */:
- return getSymbolOfNode(entityName.parent);
- case 4 /* ThisProperty */:
- case 2 /* ModuleExports */:
- case 5 /* Property */:
- return getSymbolOfNode(entityName.parent.parent);
- }
- }
- function isImportTypeQualifierPart(node) {
- var parent = node.parent;
- while (ts.isQualifiedName(parent)) {
- node = parent;
- parent = parent.parent;
- }
- if (parent && parent.kind === 188 /* ImportType */ && parent.qualifier === node) {
- return parent;
- }
- return undefined;
- }
- function getSymbolOfNameOrPropertyAccessExpression(name) {
- if (ts.isDeclarationName(name)) {
- return getSymbolOfNode(name.parent);
- }
- if (ts.isInJSFile(name) &&
- name.parent.kind === 194 /* PropertyAccessExpression */ &&
- name.parent === name.parent.parent.left) {
- // Check if this is a special property assignment
- if (!ts.isPrivateIdentifier(name)) {
- var specialPropertyAssignmentSymbol = getSpecialPropertyAssignmentSymbolFromEntityName(name);
- if (specialPropertyAssignmentSymbol) {
- return specialPropertyAssignmentSymbol;
- }
- }
- }
- if (name.parent.kind === 259 /* ExportAssignment */ && ts.isEntityNameExpression(name)) {
- // Even an entity name expression that doesn't resolve as an entityname may still typecheck as a property access expression
- var success = resolveEntityName(name,
- /*all meanings*/ 111551 /* Value */ | 788968 /* Type */ | 1920 /* Namespace */ | 2097152 /* Alias */, /*ignoreErrors*/ true);
- if (success && success !== unknownSymbol) {
- return success;
- }
- }
- else if (!ts.isPropertyAccessExpression(name) && !ts.isPrivateIdentifier(name) && isInRightSideOfImportOrExportAssignment(name)) {
- // Since we already checked for ExportAssignment, this really could only be an Import
- var importEqualsDeclaration = ts.getAncestor(name, 253 /* ImportEqualsDeclaration */);
- ts.Debug.assert(importEqualsDeclaration !== undefined);
- return getSymbolOfPartOfRightHandSideOfImportEquals(name, /*dontResolveAlias*/ true);
- }
- if (!ts.isPropertyAccessExpression(name) && !ts.isPrivateIdentifier(name)) {
- var possibleImportNode = isImportTypeQualifierPart(name);
- if (possibleImportNode) {
- getTypeFromTypeNode(possibleImportNode);
- var sym = getNodeLinks(name).resolvedSymbol;
- return sym === unknownSymbol ? undefined : sym;
- }
- }
- while (ts.isRightSideOfQualifiedNameOrPropertyAccess(name)) {
- name = name.parent;
- }
- if (isHeritageClauseElementIdentifier(name)) {
- var meaning = 0 /* None */;
- // In an interface or class, we're definitely interested in a type.
- if (name.parent.kind === 216 /* ExpressionWithTypeArguments */) {
- meaning = 788968 /* Type */;
- // In a class 'extends' clause we are also looking for a value.
- if (ts.isExpressionWithTypeArgumentsInClassExtendsClause(name.parent)) {
- meaning |= 111551 /* Value */;
- }
- }
- else {
- meaning = 1920 /* Namespace */;
- }
- meaning |= 2097152 /* Alias */;
- var entityNameSymbol = ts.isEntityNameExpression(name) ? resolveEntityName(name, meaning) : undefined;
- if (entityNameSymbol) {
- return entityNameSymbol;
- }
- }
- if (name.parent.kind === 317 /* JSDocParameterTag */) {
- return ts.getParameterSymbolFromJSDoc(name.parent);
- }
- if (name.parent.kind === 155 /* TypeParameter */ && name.parent.parent.kind === 321 /* JSDocTemplateTag */) {
- ts.Debug.assert(!ts.isInJSFile(name)); // Otherwise `isDeclarationName` would have been true.
- var typeParameter = ts.getTypeParameterFromJsDoc(name.parent);
- return typeParameter && typeParameter.symbol;
- }
- if (ts.isExpressionNode(name)) {
- if (ts.nodeIsMissing(name)) {
- // Missing entity name.
- return undefined;
- }
- if (name.kind === 75 /* Identifier */) {
- if (ts.isJSXTagName(name) && isJsxIntrinsicIdentifier(name)) {
- var symbol = getIntrinsicTagSymbol(name.parent);
- return symbol === unknownSymbol ? undefined : symbol;
- }
- return resolveEntityName(name, 111551 /* Value */, /*ignoreErrors*/ false, /*dontResolveAlias*/ true);
- }
- else if (name.kind === 194 /* PropertyAccessExpression */ || name.kind === 153 /* QualifiedName */) {
- var links = getNodeLinks(name);
- if (links.resolvedSymbol) {
- return links.resolvedSymbol;
- }
- if (name.kind === 194 /* PropertyAccessExpression */) {
- checkPropertyAccessExpression(name);
- }
- else {
- checkQualifiedName(name);
- }
- return links.resolvedSymbol;
- }
- }
- else if (isTypeReferenceIdentifier(name)) {
- var meaning = name.parent.kind === 169 /* TypeReference */ ? 788968 /* Type */ : 1920 /* Namespace */;
- return resolveEntityName(name, meaning, /*ignoreErrors*/ false, /*dontResolveAlias*/ true);
- }
- if (name.parent.kind === 168 /* TypePredicate */) {
- return resolveEntityName(name, /*meaning*/ 1 /* FunctionScopedVariable */);
- }
- // Do we want to return undefined here?
- return undefined;
- }
- function getSymbolAtLocation(node, ignoreErrors) {
- if (node.kind === 290 /* SourceFile */) {
- return ts.isExternalModule(node) ? getMergedSymbol(node.symbol) : undefined;
- }
- var parent = node.parent;
- var grandParent = parent.parent;
- if (node.flags & 16777216 /* InWithStatement */) {
- // We cannot answer semantic questions within a with block, do not proceed any further
- return undefined;
- }
- if (isDeclarationNameOrImportPropertyName(node)) {
- // This is a declaration, call getSymbolOfNode
- var parentSymbol = getSymbolOfNode(parent);
- return ts.isImportOrExportSpecifier(node.parent) && node.parent.propertyName === node
- ? getImmediateAliasedSymbol(parentSymbol)
- : parentSymbol;
- }
- else if (ts.isLiteralComputedPropertyDeclarationName(node)) {
- return getSymbolOfNode(parent.parent);
- }
- if (node.kind === 75 /* Identifier */) {
- if (isInRightSideOfImportOrExportAssignment(node)) {
- return getSymbolOfNameOrPropertyAccessExpression(node);
- }
- else if (parent.kind === 191 /* BindingElement */ &&
- grandParent.kind === 189 /* ObjectBindingPattern */ &&
- node === parent.propertyName) {
- var typeOfPattern = getTypeOfNode(grandParent);
- var propertyDeclaration = getPropertyOfType(typeOfPattern, node.escapedText);
- if (propertyDeclaration) {
- return propertyDeclaration;
- }
- }
- }
- switch (node.kind) {
- case 75 /* Identifier */:
- case 76 /* PrivateIdentifier */:
- case 194 /* PropertyAccessExpression */:
- case 153 /* QualifiedName */:
- return getSymbolOfNameOrPropertyAccessExpression(node);
- case 104 /* ThisKeyword */:
- var container = ts.getThisContainer(node, /*includeArrowFunctions*/ false);
- if (ts.isFunctionLike(container)) {
- var sig = getSignatureFromDeclaration(container);
- if (sig.thisParameter) {
- return sig.thisParameter;
- }
- }
- if (ts.isInExpressionContext(node)) {
- return checkExpression(node).symbol;
- }
- // falls through
- case 183 /* ThisType */:
- return getTypeFromThisTypeNode(node).symbol;
- case 102 /* SuperKeyword */:
- return checkExpression(node).symbol;
- case 129 /* ConstructorKeyword */:
- // constructor keyword for an overload, should take us to the definition if it exist
- var constructorDeclaration = node.parent;
- if (constructorDeclaration && constructorDeclaration.kind === 162 /* Constructor */) {
- return constructorDeclaration.parent.symbol;
- }
- return undefined;
- case 10 /* StringLiteral */:
- case 14 /* NoSubstitutionTemplateLiteral */:
- // 1). import x = require("./mo/*gotToDefinitionHere*/d")
- // 2). External module name in an import declaration
- // 3). Dynamic import call or require in javascript
- // 4). type A = import("./f/*gotToDefinitionHere*/oo")
- if ((ts.isExternalModuleImportEqualsDeclaration(node.parent.parent) && ts.getExternalModuleImportEqualsDeclarationExpression(node.parent.parent) === node) ||
- ((node.parent.kind === 254 /* ImportDeclaration */ || node.parent.kind === 260 /* ExportDeclaration */) && node.parent.moduleSpecifier === node) ||
- ((ts.isInJSFile(node) && ts.isRequireCall(node.parent, /*checkArgumentIsStringLiteralLike*/ false)) || ts.isImportCall(node.parent)) ||
- (ts.isLiteralTypeNode(node.parent) && ts.isLiteralImportTypeNode(node.parent.parent) && node.parent.parent.argument === node.parent)) {
- return resolveExternalModuleName(node, node, ignoreErrors);
- }
- if (ts.isCallExpression(parent) && ts.isBindableObjectDefinePropertyCall(parent) && parent.arguments[1] === node) {
- return getSymbolOfNode(parent);
- }
- // falls through
- case 8 /* NumericLiteral */:
- // index access
- var objectType = ts.isElementAccessExpression(parent)
- ? parent.argumentExpression === node ? getTypeOfExpression(parent.expression) : undefined
- : ts.isLiteralTypeNode(parent) && ts.isIndexedAccessTypeNode(grandParent)
- ? getTypeFromTypeNode(grandParent.objectType)
- : undefined;
- return objectType && getPropertyOfType(objectType, ts.escapeLeadingUnderscores(node.text));
- case 84 /* DefaultKeyword */:
- case 94 /* FunctionKeyword */:
- case 38 /* EqualsGreaterThanToken */:
- case 80 /* ClassKeyword */:
- return getSymbolOfNode(node.parent);
- case 188 /* ImportType */:
- return ts.isLiteralImportTypeNode(node) ? getSymbolAtLocation(node.argument.literal, ignoreErrors) : undefined;
- case 89 /* ExportKeyword */:
- return ts.isExportAssignment(node.parent) ? ts.Debug.checkDefined(node.parent.symbol) : undefined;
- default:
- return undefined;
- }
- }
- function getShorthandAssignmentValueSymbol(location) {
- if (location && location.kind === 282 /* ShorthandPropertyAssignment */) {
- return resolveEntityName(location.name, 111551 /* Value */ | 2097152 /* Alias */);
- }
- return undefined;
- }
- /** Returns the target of an export specifier without following aliases */
- function getExportSpecifierLocalTargetSymbol(node) {
- return node.parent.parent.moduleSpecifier ?
- getExternalModuleMember(node.parent.parent, node) :
- resolveEntityName(node.propertyName || node.name, 111551 /* Value */ | 788968 /* Type */ | 1920 /* Namespace */ | 2097152 /* Alias */);
- }
- function getTypeOfNode(node) {
- if (node.flags & 16777216 /* InWithStatement */) {
- // We cannot answer semantic questions within a with block, do not proceed any further
- return errorType;
- }
- var classDecl = ts.tryGetClassImplementingOrExtendingExpressionWithTypeArguments(node);
- var classType = classDecl && getDeclaredTypeOfClassOrInterface(getSymbolOfNode(classDecl.class));
- if (ts.isPartOfTypeNode(node)) {
- var typeFromTypeNode = getTypeFromTypeNode(node);
- return classType ? getTypeWithThisArgument(typeFromTypeNode, classType.thisType) : typeFromTypeNode;
- }
- if (ts.isExpressionNode(node)) {
- return getRegularTypeOfExpression(node);
- }
- if (classType && !classDecl.isImplements) {
- // A SyntaxKind.ExpressionWithTypeArguments is considered a type node, except when it occurs in the
- // extends clause of a class. We handle that case here.
- var baseType = ts.firstOrUndefined(getBaseTypes(classType));
- return baseType ? getTypeWithThisArgument(baseType, classType.thisType) : errorType;
- }
- if (isTypeDeclaration(node)) {
- // In this case, we call getSymbolOfNode instead of getSymbolAtLocation because it is a declaration
- var symbol = getSymbolOfNode(node);
- return getDeclaredTypeOfSymbol(symbol);
- }
- if (isTypeDeclarationName(node)) {
- var symbol = getSymbolAtLocation(node);
- return symbol ? getDeclaredTypeOfSymbol(symbol) : errorType;
- }
- if (ts.isDeclaration(node)) {
- // In this case, we call getSymbolOfNode instead of getSymbolAtLocation because it is a declaration
- var symbol = getSymbolOfNode(node);
- return getTypeOfSymbol(symbol);
- }
- if (isDeclarationNameOrImportPropertyName(node)) {
- var symbol = getSymbolAtLocation(node);
- if (symbol) {
- return getTypeOfSymbol(symbol);
- }
- return errorType;
- }
- if (ts.isBindingPattern(node)) {
- return getTypeForVariableLikeDeclaration(node.parent, /*includeOptionality*/ true) || errorType;
- }
- if (isInRightSideOfImportOrExportAssignment(node)) {
- var symbol = getSymbolAtLocation(node);
- if (symbol) {
- var declaredType = getDeclaredTypeOfSymbol(symbol);
- return declaredType !== errorType ? declaredType : getTypeOfSymbol(symbol);
- }
- }
- return errorType;
- }
- // Gets the type of object literal or array literal of destructuring assignment.
- // { a } from
- // for ( { a } of elems) {
- // }
- // [ a ] from
- // [a] = [ some array ...]
- function getTypeOfAssignmentPattern(expr) {
- ts.Debug.assert(expr.kind === 193 /* ObjectLiteralExpression */ || expr.kind === 192 /* ArrayLiteralExpression */);
- // If this is from "for of"
- // for ( { a } of elems) {
- // }
- if (expr.parent.kind === 232 /* ForOfStatement */) {
- var iteratedType = checkRightHandSideOfForOf(expr.parent);
- return checkDestructuringAssignment(expr, iteratedType || errorType);
- }
- // If this is from "for" initializer
- // for ({a } = elems[0];.....) { }
- if (expr.parent.kind === 209 /* BinaryExpression */) {
- var iteratedType = getTypeOfExpression(expr.parent.right);
- return checkDestructuringAssignment(expr, iteratedType || errorType);
- }
- // If this is from nested object binding pattern
- // for ({ skills: { primary, secondary } } = multiRobot, i = 0; i < 1; i++) {
- if (expr.parent.kind === 281 /* PropertyAssignment */) {
- var node_4 = ts.cast(expr.parent.parent, ts.isObjectLiteralExpression);
- var typeOfParentObjectLiteral = getTypeOfAssignmentPattern(node_4) || errorType;
- var propertyIndex = ts.indexOfNode(node_4.properties, expr.parent);
- return checkObjectLiteralDestructuringPropertyAssignment(node_4, typeOfParentObjectLiteral, propertyIndex);
- }
- // Array literal assignment - array destructuring pattern
- var node = ts.cast(expr.parent, ts.isArrayLiteralExpression);
- // [{ property1: p1, property2 }] = elems;
- var typeOfArrayLiteral = getTypeOfAssignmentPattern(node) || errorType;
- var elementType = checkIteratedTypeOrElementType(65 /* Destructuring */, typeOfArrayLiteral, undefinedType, expr.parent) || errorType;
- return checkArrayLiteralDestructuringElementAssignment(node, typeOfArrayLiteral, node.elements.indexOf(expr), elementType);
- }
- // Gets the property symbol corresponding to the property in destructuring assignment
- // 'property1' from
- // for ( { property1: a } of elems) {
- // }
- // 'property1' at location 'a' from:
- // [a] = [ property1, property2 ]
- function getPropertySymbolOfDestructuringAssignment(location) {
- // Get the type of the object or array literal and then look for property of given name in the type
- var typeOfObjectLiteral = getTypeOfAssignmentPattern(ts.cast(location.parent.parent, ts.isAssignmentPattern));
- return typeOfObjectLiteral && getPropertyOfType(typeOfObjectLiteral, location.escapedText);
- }
- function getRegularTypeOfExpression(expr) {
- if (ts.isRightSideOfQualifiedNameOrPropertyAccess(expr)) {
- expr = expr.parent;
- }
- return getRegularTypeOfLiteralType(getTypeOfExpression(expr));
- }
- /**
- * Gets either the static or instance type of a class element, based on
- * whether the element is declared as "static".
- */
- function getParentTypeOfClassElement(node) {
- var classSymbol = getSymbolOfNode(node.parent);
- return ts.hasModifier(node, 32 /* Static */)
- ? getTypeOfSymbol(classSymbol)
- : getDeclaredTypeOfSymbol(classSymbol);
- }
- function getClassElementPropertyKeyType(element) {
- var name = element.name;
- switch (name.kind) {
- case 75 /* Identifier */:
- return getLiteralType(ts.idText(name));
- case 8 /* NumericLiteral */:
- case 10 /* StringLiteral */:
- return getLiteralType(name.text);
- case 154 /* ComputedPropertyName */:
- var nameType = checkComputedPropertyName(name);
- return isTypeAssignableToKind(nameType, 12288 /* ESSymbolLike */) ? nameType : stringType;
- default:
- return ts.Debug.fail("Unsupported property name.");
- }
- }
- // Return the list of properties of the given type, augmented with properties from Function
- // if the type has call or construct signatures
- function getAugmentedPropertiesOfType(type) {
- type = getApparentType(type);
- var propsByName = ts.createSymbolTable(getPropertiesOfType(type));
- var functionType = getSignaturesOfType(type, 0 /* Call */).length ? globalCallableFunctionType :
- getSignaturesOfType(type, 1 /* Construct */).length ? globalNewableFunctionType :
- undefined;
- if (functionType) {
- ts.forEach(getPropertiesOfType(functionType), function (p) {
- if (!propsByName.has(p.escapedName)) {
- propsByName.set(p.escapedName, p);
- }
- });
- }
- return getNamedMembers(propsByName);
- }
- function typeHasCallOrConstructSignatures(type) {
- return ts.typeHasCallOrConstructSignatures(type, checker);
- }
- function getRootSymbols(symbol) {
- var roots = getImmediateRootSymbols(symbol);
- return roots ? ts.flatMap(roots, getRootSymbols) : [symbol];
- }
- function getImmediateRootSymbols(symbol) {
- if (ts.getCheckFlags(symbol) & 6 /* Synthetic */) {
- return ts.mapDefined(getSymbolLinks(symbol).containingType.types, function (type) { return getPropertyOfType(type, symbol.escapedName); });
- }
- else if (symbol.flags & 33554432 /* Transient */) {
- var _a = symbol, leftSpread = _a.leftSpread, rightSpread = _a.rightSpread, syntheticOrigin = _a.syntheticOrigin;
- return leftSpread ? [leftSpread, rightSpread]
- : syntheticOrigin ? [syntheticOrigin]
- : ts.singleElementArray(tryGetAliasTarget(symbol));
- }
- return undefined;
- }
- function tryGetAliasTarget(symbol) {
- var target;
- var next = symbol;
- while (next = getSymbolLinks(next).target) {
- target = next;
- }
- return target;
- }
- // Emitter support
- function isArgumentsLocalBinding(nodeIn) {
- if (!ts.isGeneratedIdentifier(nodeIn)) {
- var node = ts.getParseTreeNode(nodeIn, ts.isIdentifier);
- if (node) {
- var isPropertyName_1 = node.parent.kind === 194 /* PropertyAccessExpression */ && node.parent.name === node;
- return !isPropertyName_1 && getReferencedValueSymbol(node) === argumentsSymbol;
- }
- }
- return false;
- }
- function moduleExportsSomeValue(moduleReferenceExpression) {
- var moduleSymbol = resolveExternalModuleName(moduleReferenceExpression.parent, moduleReferenceExpression);
- if (!moduleSymbol || ts.isShorthandAmbientModuleSymbol(moduleSymbol)) {
- // If the module is not found or is shorthand, assume that it may export a value.
- return true;
- }
- var hasExportAssignment = hasExportAssignmentSymbol(moduleSymbol);
- // if module has export assignment then 'resolveExternalModuleSymbol' will return resolved symbol for export assignment
- // otherwise it will return moduleSymbol itself
- moduleSymbol = resolveExternalModuleSymbol(moduleSymbol);
- var symbolLinks = getSymbolLinks(moduleSymbol);
- if (symbolLinks.exportsSomeValue === undefined) {
- // for export assignments - check if resolved symbol for RHS is itself a value
- // otherwise - check if at least one export is value
- symbolLinks.exportsSomeValue = hasExportAssignment
- ? !!(moduleSymbol.flags & 111551 /* Value */)
- : ts.forEachEntry(getExportsOfModule(moduleSymbol), isValue);
- }
- return symbolLinks.exportsSomeValue;
- function isValue(s) {
- s = resolveSymbol(s);
- return s && !!(s.flags & 111551 /* Value */);
- }
- }
- function isNameOfModuleOrEnumDeclaration(node) {
- return ts.isModuleOrEnumDeclaration(node.parent) && node === node.parent.name;
- }
- // When resolved as an expression identifier, if the given node references an exported entity, return the declaration
- // node of the exported entity's container. Otherwise, return undefined.
- function getReferencedExportContainer(nodeIn, prefixLocals) {
- var node = ts.getParseTreeNode(nodeIn, ts.isIdentifier);
- if (node) {
- // When resolving the export container for the name of a module or enum
- // declaration, we need to start resolution at the declaration's container.
- // Otherwise, we could incorrectly resolve the export container as the
- // declaration if it contains an exported member with the same name.
- var symbol = getReferencedValueSymbol(node, /*startInDeclarationContainer*/ isNameOfModuleOrEnumDeclaration(node));
- if (symbol) {
- if (symbol.flags & 1048576 /* ExportValue */) {
- // If we reference an exported entity within the same module declaration, then whether
- // we prefix depends on the kind of entity. SymbolFlags.ExportHasLocal encompasses all the
- // kinds that we do NOT prefix.
- var exportSymbol = getMergedSymbol(symbol.exportSymbol);
- if (!prefixLocals && exportSymbol.flags & 944 /* ExportHasLocal */ && !(exportSymbol.flags & 3 /* Variable */)) {
- return undefined;
- }
- symbol = exportSymbol;
- }
- var parentSymbol_1 = getParentOfSymbol(symbol);
- if (parentSymbol_1) {
- if (parentSymbol_1.flags & 512 /* ValueModule */ && parentSymbol_1.valueDeclaration.kind === 290 /* SourceFile */) {
- var symbolFile = parentSymbol_1.valueDeclaration;
- var referenceFile = ts.getSourceFileOfNode(node);
- // If `node` accesses an export and that export isn't in the same file, then symbol is a namespace export, so return undefined.
- var symbolIsUmdExport = symbolFile !== referenceFile;
- return symbolIsUmdExport ? undefined : symbolFile;
- }
- return ts.findAncestor(node.parent, function (n) { return ts.isModuleOrEnumDeclaration(n) && getSymbolOfNode(n) === parentSymbol_1; });
- }
- }
- }
- }
- // When resolved as an expression identifier, if the given node references an import, return the declaration of
- // that import. Otherwise, return undefined.
- function getReferencedImportDeclaration(nodeIn) {
- var node = ts.getParseTreeNode(nodeIn, ts.isIdentifier);
- if (node) {
- var symbol = getReferencedValueSymbol(node);
- // We should only get the declaration of an alias if there isn't a local value
- // declaration for the symbol
- if (isNonLocalAlias(symbol, /*excludes*/ 111551 /* Value */) && !getTypeOnlyAliasDeclaration(symbol)) {
- return getDeclarationOfAliasSymbol(symbol);
- }
- }
- return undefined;
- }
- function isSymbolOfDestructuredElementOfCatchBinding(symbol) {
- return ts.isBindingElement(symbol.valueDeclaration)
- && ts.walkUpBindingElementsAndPatterns(symbol.valueDeclaration).parent.kind === 280 /* CatchClause */;
- }
- function isSymbolOfDeclarationWithCollidingName(symbol) {
- if (symbol.flags & 418 /* BlockScoped */ && !ts.isSourceFile(symbol.valueDeclaration)) {
- var links = getSymbolLinks(symbol);
- if (links.isDeclarationWithCollidingName === undefined) {
- var container = ts.getEnclosingBlockScopeContainer(symbol.valueDeclaration);
- if (ts.isStatementWithLocals(container) || isSymbolOfDestructuredElementOfCatchBinding(symbol)) {
- var nodeLinks_1 = getNodeLinks(symbol.valueDeclaration);
- if (resolveName(container.parent, symbol.escapedName, 111551 /* Value */, /*nameNotFoundMessage*/ undefined, /*nameArg*/ undefined, /*isUse*/ false)) {
- // redeclaration - always should be renamed
- links.isDeclarationWithCollidingName = true;
- }
- else if (nodeLinks_1.flags & 262144 /* CapturedBlockScopedBinding */) {
- // binding is captured in the function
- // should be renamed if:
- // - binding is not top level - top level bindings never collide with anything
- // AND
- // - binding is not declared in loop, should be renamed to avoid name reuse across siblings
- // let a, b
- // { let x = 1; a = () => x; }
- // { let x = 100; b = () => x; }
- // console.log(a()); // should print '1'
- // console.log(b()); // should print '100'
- // OR
- // - binding is declared inside loop but not in inside initializer of iteration statement or directly inside loop body
- // * variables from initializer are passed to rewritten loop body as parameters so they are not captured directly
- // * variables that are declared immediately in loop body will become top level variable after loop is rewritten and thus
- // they will not collide with anything
- var isDeclaredInLoop = nodeLinks_1.flags & 524288 /* BlockScopedBindingInLoop */;
- var inLoopInitializer = ts.isIterationStatement(container, /*lookInLabeledStatements*/ false);
- var inLoopBodyBlock = container.kind === 223 /* Block */ && ts.isIterationStatement(container.parent, /*lookInLabeledStatements*/ false);
- links.isDeclarationWithCollidingName = !ts.isBlockScopedContainerTopLevel(container) && (!isDeclaredInLoop || (!inLoopInitializer && !inLoopBodyBlock));
- }
- else {
- links.isDeclarationWithCollidingName = false;
- }
- }
- }
- return links.isDeclarationWithCollidingName;
- }
- return false;
- }
- // When resolved as an expression identifier, if the given node references a nested block scoped entity with
- // a name that either hides an existing name or might hide it when compiled downlevel,
- // return the declaration of that entity. Otherwise, return undefined.
- function getReferencedDeclarationWithCollidingName(nodeIn) {
- if (!ts.isGeneratedIdentifier(nodeIn)) {
- var node = ts.getParseTreeNode(nodeIn, ts.isIdentifier);
- if (node) {
- var symbol = getReferencedValueSymbol(node);
- if (symbol && isSymbolOfDeclarationWithCollidingName(symbol)) {
- return symbol.valueDeclaration;
- }
- }
- }
- return undefined;
- }
- // Return true if the given node is a declaration of a nested block scoped entity with a name that either hides an
- // existing name or might hide a name when compiled downlevel
- function isDeclarationWithCollidingName(nodeIn) {
- var node = ts.getParseTreeNode(nodeIn, ts.isDeclaration);
- if (node) {
- var symbol = getSymbolOfNode(node);
- if (symbol) {
- return isSymbolOfDeclarationWithCollidingName(symbol);
- }
- }
- return false;
- }
- function isValueAliasDeclaration(node) {
- switch (node.kind) {
- case 253 /* ImportEqualsDeclaration */:
- return isAliasResolvedToValue(getSymbolOfNode(node) || unknownSymbol);
- case 255 /* ImportClause */:
- case 256 /* NamespaceImport */:
- case 258 /* ImportSpecifier */:
- case 263 /* ExportSpecifier */:
- var symbol = getSymbolOfNode(node) || unknownSymbol;
- return isAliasResolvedToValue(symbol) && !getTypeOnlyAliasDeclaration(symbol);
- case 260 /* ExportDeclaration */:
- var exportClause = node.exportClause;
- return !!exportClause && (ts.isNamespaceExport(exportClause) ||
- ts.some(exportClause.elements, isValueAliasDeclaration));
- case 259 /* ExportAssignment */:
- return node.expression && node.expression.kind === 75 /* Identifier */ ?
- isAliasResolvedToValue(getSymbolOfNode(node) || unknownSymbol) :
- true;
- }
- return false;
- }
- function isTopLevelValueImportEqualsWithEntityName(nodeIn) {
- var node = ts.getParseTreeNode(nodeIn, ts.isImportEqualsDeclaration);
- if (node === undefined || node.parent.kind !== 290 /* SourceFile */ || !ts.isInternalModuleImportEqualsDeclaration(node)) {
- // parent is not source file or it is not reference to internal module
- return false;
- }
- var isValue = isAliasResolvedToValue(getSymbolOfNode(node));
- return isValue && node.moduleReference && !ts.nodeIsMissing(node.moduleReference);
- }
- function isAliasResolvedToValue(symbol) {
- var target = resolveAlias(symbol);
- if (target === unknownSymbol) {
- return true;
- }
- // const enums and modules that contain only const enums are not considered values from the emit perspective
- // unless 'preserveConstEnums' option is set to true
- return !!(target.flags & 111551 /* Value */) &&
- (compilerOptions.preserveConstEnums || !isConstEnumOrConstEnumOnlyModule(target));
- }
- function isConstEnumOrConstEnumOnlyModule(s) {
- return isConstEnumSymbol(s) || !!s.constEnumOnlyModule;
- }
- function isReferencedAliasDeclaration(node, checkChildren) {
- if (isAliasSymbolDeclaration(node)) {
- var symbol = getSymbolOfNode(node);
- if (symbol && getSymbolLinks(symbol).referenced) {
- return true;
- }
- var target = getSymbolLinks(symbol).target; // TODO: GH#18217
- if (target && ts.getModifierFlags(node) & 1 /* Export */ &&
- target.flags & 111551 /* Value */ &&
- (compilerOptions.preserveConstEnums || !isConstEnumOrConstEnumOnlyModule(target))) {
- // An `export import ... =` of a value symbol is always considered referenced
- return true;
- }
- }
- if (checkChildren) {
- return !!ts.forEachChild(node, function (node) { return isReferencedAliasDeclaration(node, checkChildren); });
- }
- return false;
- }
- function isImplementationOfOverload(node) {
- if (ts.nodeIsPresent(node.body)) {
- if (ts.isGetAccessor(node) || ts.isSetAccessor(node))
- return false; // Get or set accessors can never be overload implementations, but can have up to 2 signatures
- var symbol = getSymbolOfNode(node);
- var signaturesOfSymbol = getSignaturesOfSymbol(symbol);
- // If this function body corresponds to function with multiple signature, it is implementation of overload
- // e.g.: function foo(a: string): string;
- // function foo(a: number): number;
- // function foo(a: any) { // This is implementation of the overloads
- // return a;
- // }
- return signaturesOfSymbol.length > 1 ||
- // If there is single signature for the symbol, it is overload if that signature isn't coming from the node
- // e.g.: function foo(a: string): string;
- // function foo(a: any) { // This is implementation of the overloads
- // return a;
- // }
- (signaturesOfSymbol.length === 1 && signaturesOfSymbol[0].declaration !== node);
- }
- return false;
- }
- function isRequiredInitializedParameter(parameter) {
- return !!strictNullChecks &&
- !isOptionalParameter(parameter) &&
- !ts.isJSDocParameterTag(parameter) &&
- !!parameter.initializer &&
- !ts.hasModifier(parameter, 92 /* ParameterPropertyModifier */);
- }
- function isOptionalUninitializedParameterProperty(parameter) {
- return strictNullChecks &&
- isOptionalParameter(parameter) &&
- !parameter.initializer &&
- ts.hasModifier(parameter, 92 /* ParameterPropertyModifier */);
- }
- function isExpandoFunctionDeclaration(node) {
- var declaration = ts.getParseTreeNode(node, ts.isFunctionDeclaration);
- if (!declaration) {
- return false;
- }
- var symbol = getSymbolOfNode(declaration);
- if (!symbol || !(symbol.flags & 16 /* Function */)) {
- return false;
- }
- return !!ts.forEachEntry(getExportsOfSymbol(symbol), function (p) { return p.flags & 111551 /* Value */ && p.valueDeclaration && ts.isPropertyAccessExpression(p.valueDeclaration); });
- }
- function getPropertiesOfContainerFunction(node) {
- var declaration = ts.getParseTreeNode(node, ts.isFunctionDeclaration);
- if (!declaration) {
- return ts.emptyArray;
- }
- var symbol = getSymbolOfNode(declaration);
- return symbol && getPropertiesOfType(getTypeOfSymbol(symbol)) || ts.emptyArray;
- }
- function getNodeCheckFlags(node) {
- return getNodeLinks(node).flags || 0;
- }
- function getEnumMemberValue(node) {
- computeEnumMemberValues(node.parent);
- return getNodeLinks(node).enumMemberValue;
- }
- function canHaveConstantValue(node) {
- switch (node.kind) {
- case 284 /* EnumMember */:
- case 194 /* PropertyAccessExpression */:
- case 195 /* ElementAccessExpression */:
- return true;
- }
- return false;
- }
- function getConstantValue(node) {
- if (node.kind === 284 /* EnumMember */) {
- return getEnumMemberValue(node);
- }
- var symbol = getNodeLinks(node).resolvedSymbol;
- if (symbol && (symbol.flags & 8 /* EnumMember */)) {
- // inline property\index accesses only for const enums
- var member = symbol.valueDeclaration;
- if (ts.isEnumConst(member.parent)) {
- return getEnumMemberValue(member);
- }
- }
- return undefined;
- }
- function isFunctionType(type) {
- return !!(type.flags & 524288 /* Object */) && getSignaturesOfType(type, 0 /* Call */).length > 0;
- }
- function getTypeReferenceSerializationKind(typeNameIn, location) {
- // ensure both `typeName` and `location` are parse tree nodes.
- var typeName = ts.getParseTreeNode(typeNameIn, ts.isEntityName);
- if (!typeName)
- return ts.TypeReferenceSerializationKind.Unknown;
- if (location) {
- location = ts.getParseTreeNode(location);
- if (!location)
- return ts.TypeReferenceSerializationKind.Unknown;
- }
- // Resolve the symbol as a value to ensure the type can be reached at runtime during emit.
- var valueSymbol = resolveEntityName(typeName, 111551 /* Value */, /*ignoreErrors*/ true, /*dontResolveAlias*/ false, location);
- // Resolve the symbol as a type so that we can provide a more useful hint for the type serializer.
- var typeSymbol = resolveEntityName(typeName, 788968 /* Type */, /*ignoreErrors*/ true, /*dontResolveAlias*/ false, location);
- if (valueSymbol && valueSymbol === typeSymbol) {
- var globalPromiseSymbol = getGlobalPromiseConstructorSymbol(/*reportErrors*/ false);
- if (globalPromiseSymbol && valueSymbol === globalPromiseSymbol) {
- return ts.TypeReferenceSerializationKind.Promise;
- }
- var constructorType = getTypeOfSymbol(valueSymbol);
- if (constructorType && isConstructorType(constructorType)) {
- return ts.TypeReferenceSerializationKind.TypeWithConstructSignatureAndValue;
- }
- }
- // We might not be able to resolve type symbol so use unknown type in that case (eg error case)
- if (!typeSymbol) {
- return ts.TypeReferenceSerializationKind.Unknown;
- }
- var type = getDeclaredTypeOfSymbol(typeSymbol);
- if (type === errorType) {
- return ts.TypeReferenceSerializationKind.Unknown;
- }
- else if (type.flags & 3 /* AnyOrUnknown */) {
- return ts.TypeReferenceSerializationKind.ObjectType;
- }
- else if (isTypeAssignableToKind(type, 16384 /* Void */ | 98304 /* Nullable */ | 131072 /* Never */)) {
- return ts.TypeReferenceSerializationKind.VoidNullableOrNeverType;
- }
- else if (isTypeAssignableToKind(type, 528 /* BooleanLike */)) {
- return ts.TypeReferenceSerializationKind.BooleanType;
- }
- else if (isTypeAssignableToKind(type, 296 /* NumberLike */)) {
- return ts.TypeReferenceSerializationKind.NumberLikeType;
- }
- else if (isTypeAssignableToKind(type, 2112 /* BigIntLike */)) {
- return ts.TypeReferenceSerializationKind.BigIntLikeType;
- }
- else if (isTypeAssignableToKind(type, 132 /* StringLike */)) {
- return ts.TypeReferenceSerializationKind.StringLikeType;
- }
- else if (isTupleType(type)) {
- return ts.TypeReferenceSerializationKind.ArrayLikeType;
- }
- else if (isTypeAssignableToKind(type, 12288 /* ESSymbolLike */)) {
- return ts.TypeReferenceSerializationKind.ESSymbolType;
- }
- else if (isFunctionType(type)) {
- return ts.TypeReferenceSerializationKind.TypeWithCallSignature;
- }
- else if (isArrayType(type)) {
- return ts.TypeReferenceSerializationKind.ArrayLikeType;
- }
- else {
- return ts.TypeReferenceSerializationKind.ObjectType;
- }
- }
- function createTypeOfDeclaration(declarationIn, enclosingDeclaration, flags, tracker, addUndefined) {
- var declaration = ts.getParseTreeNode(declarationIn, ts.isVariableLikeOrAccessor);
- if (!declaration) {
- return ts.createToken(125 /* AnyKeyword */);
- }
- // Get type of the symbol if this is the valid symbol otherwise get type at location
- var symbol = getSymbolOfNode(declaration);
- var type = symbol && !(symbol.flags & (2048 /* TypeLiteral */ | 131072 /* Signature */))
- ? getWidenedLiteralType(getTypeOfSymbol(symbol))
- : errorType;
- if (type.flags & 8192 /* UniqueESSymbol */ &&
- type.symbol === symbol) {
- flags |= 1048576 /* AllowUniqueESSymbolType */;
- }
- if (addUndefined) {
- type = getOptionalType(type);
- }
- return nodeBuilder.typeToTypeNode(type, enclosingDeclaration, flags | 1024 /* MultilineObjectLiterals */, tracker);
- }
- function createReturnTypeOfSignatureDeclaration(signatureDeclarationIn, enclosingDeclaration, flags, tracker) {
- var signatureDeclaration = ts.getParseTreeNode(signatureDeclarationIn, ts.isFunctionLike);
- if (!signatureDeclaration) {
- return ts.createToken(125 /* AnyKeyword */);
- }
- var signature = getSignatureFromDeclaration(signatureDeclaration);
- return nodeBuilder.typeToTypeNode(getReturnTypeOfSignature(signature), enclosingDeclaration, flags | 1024 /* MultilineObjectLiterals */, tracker);
- }
- function createTypeOfExpression(exprIn, enclosingDeclaration, flags, tracker) {
- var expr = ts.getParseTreeNode(exprIn, ts.isExpression);
- if (!expr) {
- return ts.createToken(125 /* AnyKeyword */);
- }
- var type = getWidenedType(getRegularTypeOfExpression(expr));
- return nodeBuilder.typeToTypeNode(type, enclosingDeclaration, flags | 1024 /* MultilineObjectLiterals */, tracker);
- }
- function hasGlobalName(name) {
- return globals.has(ts.escapeLeadingUnderscores(name));
- }
- function getReferencedValueSymbol(reference, startInDeclarationContainer) {
- var resolvedSymbol = getNodeLinks(reference).resolvedSymbol;
- if (resolvedSymbol) {
- return resolvedSymbol;
- }
- var location = reference;
- if (startInDeclarationContainer) {
- // When resolving the name of a declaration as a value, we need to start resolution
- // at a point outside of the declaration.
- var parent = reference.parent;
- if (ts.isDeclaration(parent) && reference === parent.name) {
- location = getDeclarationContainer(parent);
- }
- }
- return resolveName(location, reference.escapedText, 111551 /* Value */ | 1048576 /* ExportValue */ | 2097152 /* Alias */, /*nodeNotFoundMessage*/ undefined, /*nameArg*/ undefined, /*isUse*/ true);
- }
- function getReferencedValueDeclaration(referenceIn) {
- if (!ts.isGeneratedIdentifier(referenceIn)) {
- var reference = ts.getParseTreeNode(referenceIn, ts.isIdentifier);
- if (reference) {
- var symbol = getReferencedValueSymbol(reference);
- if (symbol) {
- return getExportSymbolOfValueSymbolIfExported(symbol).valueDeclaration;
- }
- }
- }
- return undefined;
- }
- function isLiteralConstDeclaration(node) {
- if (ts.isDeclarationReadonly(node) || ts.isVariableDeclaration(node) && ts.isVarConst(node)) {
- return isFreshLiteralType(getTypeOfSymbol(getSymbolOfNode(node)));
- }
- return false;
- }
- function literalTypeToNode(type, enclosing, tracker) {
- var enumResult = type.flags & 1024 /* EnumLiteral */ ? nodeBuilder.symbolToExpression(type.symbol, 111551 /* Value */, enclosing, /*flags*/ undefined, tracker)
- : type === trueType ? ts.createTrue() : type === falseType && ts.createFalse();
- return enumResult || ts.createLiteral(type.value);
- }
- function createLiteralConstValue(node, tracker) {
- var type = getTypeOfSymbol(getSymbolOfNode(node));
- return literalTypeToNode(type, node, tracker);
- }
- function getJsxFactoryEntity(location) {
- return location ? (getJsxNamespace(location), (ts.getSourceFileOfNode(location).localJsxFactory || _jsxFactoryEntity)) : _jsxFactoryEntity;
- }
- function createResolver() {
- // this variable and functions that use it are deliberately moved here from the outer scope
- // to avoid scope pollution
- var resolvedTypeReferenceDirectives = host.getResolvedTypeReferenceDirectives();
- var fileToDirective;
- if (resolvedTypeReferenceDirectives) {
- // populate reverse mapping: file path -> type reference directive that was resolved to this file
- fileToDirective = ts.createMap();
- resolvedTypeReferenceDirectives.forEach(function (resolvedDirective, key) {
- if (!resolvedDirective || !resolvedDirective.resolvedFileName) {
- return;
- }
- var file = host.getSourceFile(resolvedDirective.resolvedFileName);
- if (file) {
- // Add the transitive closure of path references loaded by this file (as long as they are not)
- // part of an existing type reference.
- addReferencedFilesToTypeDirective(file, key);
- }
- });
- }
- return {
- getReferencedExportContainer: getReferencedExportContainer,
- getReferencedImportDeclaration: getReferencedImportDeclaration,
- getReferencedDeclarationWithCollidingName: getReferencedDeclarationWithCollidingName,
- isDeclarationWithCollidingName: isDeclarationWithCollidingName,
- isValueAliasDeclaration: function (node) {
- node = ts.getParseTreeNode(node);
- // Synthesized nodes are always treated like values.
- return node ? isValueAliasDeclaration(node) : true;
- },
- hasGlobalName: hasGlobalName,
- isReferencedAliasDeclaration: function (node, checkChildren) {
- node = ts.getParseTreeNode(node);
- // Synthesized nodes are always treated as referenced.
- return node ? isReferencedAliasDeclaration(node, checkChildren) : true;
- },
- getNodeCheckFlags: function (node) {
- node = ts.getParseTreeNode(node);
- return node ? getNodeCheckFlags(node) : 0;
- },
- isTopLevelValueImportEqualsWithEntityName: isTopLevelValueImportEqualsWithEntityName,
- isDeclarationVisible: isDeclarationVisible,
- isImplementationOfOverload: isImplementationOfOverload,
- isRequiredInitializedParameter: isRequiredInitializedParameter,
- isOptionalUninitializedParameterProperty: isOptionalUninitializedParameterProperty,
- isExpandoFunctionDeclaration: isExpandoFunctionDeclaration,
- getPropertiesOfContainerFunction: getPropertiesOfContainerFunction,
- createTypeOfDeclaration: createTypeOfDeclaration,
- createReturnTypeOfSignatureDeclaration: createReturnTypeOfSignatureDeclaration,
- createTypeOfExpression: createTypeOfExpression,
- createLiteralConstValue: createLiteralConstValue,
- isSymbolAccessible: isSymbolAccessible,
- isEntityNameVisible: isEntityNameVisible,
- getConstantValue: function (nodeIn) {
- var node = ts.getParseTreeNode(nodeIn, canHaveConstantValue);
- return node ? getConstantValue(node) : undefined;
- },
- collectLinkedAliases: collectLinkedAliases,
- getReferencedValueDeclaration: getReferencedValueDeclaration,
- getTypeReferenceSerializationKind: getTypeReferenceSerializationKind,
- isOptionalParameter: isOptionalParameter,
- moduleExportsSomeValue: moduleExportsSomeValue,
- isArgumentsLocalBinding: isArgumentsLocalBinding,
- getExternalModuleFileFromDeclaration: getExternalModuleFileFromDeclaration,
- getTypeReferenceDirectivesForEntityName: getTypeReferenceDirectivesForEntityName,
- getTypeReferenceDirectivesForSymbol: getTypeReferenceDirectivesForSymbol,
- isLiteralConstDeclaration: isLiteralConstDeclaration,
- isLateBound: function (nodeIn) {
- var node = ts.getParseTreeNode(nodeIn, ts.isDeclaration);
- var symbol = node && getSymbolOfNode(node);
- return !!(symbol && ts.getCheckFlags(symbol) & 4096 /* Late */);
- },
- getJsxFactoryEntity: getJsxFactoryEntity,
- getAllAccessorDeclarations: function (accessor) {
- accessor = ts.getParseTreeNode(accessor, ts.isGetOrSetAccessorDeclaration); // TODO: GH#18217
- var otherKind = accessor.kind === 164 /* SetAccessor */ ? 163 /* GetAccessor */ : 164 /* SetAccessor */;
- var otherAccessor = ts.getDeclarationOfKind(getSymbolOfNode(accessor), otherKind);
- var firstAccessor = otherAccessor && (otherAccessor.pos < accessor.pos) ? otherAccessor : accessor;
- var secondAccessor = otherAccessor && (otherAccessor.pos < accessor.pos) ? accessor : otherAccessor;
- var setAccessor = accessor.kind === 164 /* SetAccessor */ ? accessor : otherAccessor;
- var getAccessor = accessor.kind === 163 /* GetAccessor */ ? accessor : otherAccessor;
- return {
- firstAccessor: firstAccessor,
- secondAccessor: secondAccessor,
- setAccessor: setAccessor,
- getAccessor: getAccessor
- };
- },
- getSymbolOfExternalModuleSpecifier: function (moduleName) { return resolveExternalModuleNameWorker(moduleName, moduleName, /*moduleNotFoundError*/ undefined); },
- isBindingCapturedByNode: function (node, decl) {
- var parseNode = ts.getParseTreeNode(node);
- var parseDecl = ts.getParseTreeNode(decl);
- return !!parseNode && !!parseDecl && (ts.isVariableDeclaration(parseDecl) || ts.isBindingElement(parseDecl)) && isBindingCapturedByNode(parseNode, parseDecl);
- },
- getDeclarationStatementsForSourceFile: function (node, flags, tracker, bundled) {
- var n = ts.getParseTreeNode(node);
- ts.Debug.assert(n && n.kind === 290 /* SourceFile */, "Non-sourcefile node passed into getDeclarationsForSourceFile");
- var sym = getSymbolOfNode(node);
- if (!sym) {
- return !node.locals ? [] : nodeBuilder.symbolTableToDeclarationStatements(node.locals, node, flags, tracker, bundled);
- }
- return !sym.exports ? [] : nodeBuilder.symbolTableToDeclarationStatements(sym.exports, node, flags, tracker, bundled);
- },
- isImportRequiredByAugmentation: isImportRequiredByAugmentation,
- };
- function isImportRequiredByAugmentation(node) {
- var file = ts.getSourceFileOfNode(node);
- if (!file.symbol)
- return false;
- var importTarget = getExternalModuleFileFromDeclaration(node);
- if (!importTarget)
- return false;
- if (importTarget === file)
- return false;
- var exports = getExportsOfModule(file.symbol);
- for (var _i = 0, _a = ts.arrayFrom(exports.values()); _i < _a.length; _i++) {
- var s = _a[_i];
- if (s.mergeId) {
- var merged = getMergedSymbol(s);
- for (var _b = 0, _c = merged.declarations; _b < _c.length; _b++) {
- var d = _c[_b];
- var declFile = ts.getSourceFileOfNode(d);
- if (declFile === importTarget) {
- return true;
- }
- }
- }
- }
- return false;
- }
- function isInHeritageClause(node) {
- return node.parent && node.parent.kind === 216 /* ExpressionWithTypeArguments */ && node.parent.parent && node.parent.parent.kind === 279 /* HeritageClause */;
- }
- // defined here to avoid outer scope pollution
- function getTypeReferenceDirectivesForEntityName(node) {
- // program does not have any files with type reference directives - bail out
- if (!fileToDirective) {
- return undefined;
- }
- // property access can only be used as values, or types when within an expression with type arguments inside a heritage clause
- // qualified names can only be used as types\namespaces
- // identifiers are treated as values only if they appear in type queries
- var meaning = 788968 /* Type */ | 1920 /* Namespace */;
- if ((node.kind === 75 /* Identifier */ && isInTypeQuery(node)) || (node.kind === 194 /* PropertyAccessExpression */ && !isInHeritageClause(node))) {
- meaning = 111551 /* Value */ | 1048576 /* ExportValue */;
- }
- var symbol = resolveEntityName(node, meaning, /*ignoreErrors*/ true);
- return symbol && symbol !== unknownSymbol ? getTypeReferenceDirectivesForSymbol(symbol, meaning) : undefined;
- }
- // defined here to avoid outer scope pollution
- function getTypeReferenceDirectivesForSymbol(symbol, meaning) {
- // program does not have any files with type reference directives - bail out
- if (!fileToDirective) {
- return undefined;
- }
- if (!isSymbolFromTypeDeclarationFile(symbol)) {
- return undefined;
- }
- // check what declarations in the symbol can contribute to the target meaning
- var typeReferenceDirectives;
- for (var _i = 0, _a = symbol.declarations; _i < _a.length; _i++) {
- var decl = _a[_i];
- // check meaning of the local symbol to see if declaration needs to be analyzed further
- if (decl.symbol && decl.symbol.flags & meaning) {
- var file = ts.getSourceFileOfNode(decl);
- var typeReferenceDirective = fileToDirective.get(file.path);
- if (typeReferenceDirective) {
- (typeReferenceDirectives || (typeReferenceDirectives = [])).push(typeReferenceDirective);
- }
- else {
- // found at least one entry that does not originate from type reference directive
- return undefined;
- }
- }
- }
- return typeReferenceDirectives;
- }
- function isSymbolFromTypeDeclarationFile(symbol) {
- // bail out if symbol does not have associated declarations (i.e. this is transient symbol created for property in binding pattern)
- if (!symbol.declarations) {
- return false;
- }
- // walk the parent chain for symbols to make sure that top level parent symbol is in the global scope
- // external modules cannot define or contribute to type declaration files
- var current = symbol;
- while (true) {
- var parent = getParentOfSymbol(current);
- if (parent) {
- current = parent;
- }
- else {
- break;
- }
- }
- if (current.valueDeclaration && current.valueDeclaration.kind === 290 /* SourceFile */ && current.flags & 512 /* ValueModule */) {
- return false;
- }
- // check that at least one declaration of top level symbol originates from type declaration file
- for (var _i = 0, _a = symbol.declarations; _i < _a.length; _i++) {
- var decl = _a[_i];
- var file = ts.getSourceFileOfNode(decl);
- if (fileToDirective.has(file.path)) {
- return true;
- }
- }
- return false;
- }
- function addReferencedFilesToTypeDirective(file, key) {
- if (fileToDirective.has(file.path))
- return;
- fileToDirective.set(file.path, key);
- for (var _i = 0, _a = file.referencedFiles; _i < _a.length; _i++) {
- var fileName = _a[_i].fileName;
- var resolvedFile = ts.resolveTripleslashReference(fileName, file.originalFileName);
- var referencedFile = host.getSourceFile(resolvedFile);
- if (referencedFile) {
- addReferencedFilesToTypeDirective(referencedFile, key);
- }
- }
- }
- }
- function getExternalModuleFileFromDeclaration(declaration) {
- var specifier = declaration.kind === 249 /* ModuleDeclaration */ ? ts.tryCast(declaration.name, ts.isStringLiteral) : ts.getExternalModuleName(declaration);
- var moduleSymbol = resolveExternalModuleNameWorker(specifier, specifier, /*moduleNotFoundError*/ undefined); // TODO: GH#18217
- if (!moduleSymbol) {
- return undefined;
- }
- return ts.getDeclarationOfKind(moduleSymbol, 290 /* SourceFile */);
- }
- function initializeTypeChecker() {
- // Bind all source files and propagate errors
- for (var _i = 0, _a = host.getSourceFiles(); _i < _a.length; _i++) {
- var file = _a[_i];
- ts.bindSourceFile(file, compilerOptions);
- }
- amalgamatedDuplicates = ts.createMap();
- // Initialize global symbol table
- var augmentations;
- for (var _b = 0, _c = host.getSourceFiles(); _b < _c.length; _b++) {
- var file = _c[_b];
- if (file.redirectInfo) {
- continue;
- }
- if (!ts.isExternalOrCommonJsModule(file)) {
- // It is an error for a non-external-module (i.e. script) to declare its own `globalThis`.
- // We can't use `builtinGlobals` for this due to synthetic expando-namespace generation in JS files.
- var fileGlobalThisSymbol = file.locals.get("globalThis");
- if (fileGlobalThisSymbol) {
- for (var _d = 0, _e = fileGlobalThisSymbol.declarations; _d < _e.length; _d++) {
- var declaration = _e[_d];
- diagnostics.add(ts.createDiagnosticForNode(declaration, ts.Diagnostics.Declaration_name_conflicts_with_built_in_global_identifier_0, "globalThis"));
- }
- }
- mergeSymbolTable(globals, file.locals);
- }
- if (file.jsGlobalAugmentations) {
- mergeSymbolTable(globals, file.jsGlobalAugmentations);
- }
- if (file.patternAmbientModules && file.patternAmbientModules.length) {
- patternAmbientModules = ts.concatenate(patternAmbientModules, file.patternAmbientModules);
- }
- if (file.moduleAugmentations.length) {
- (augmentations || (augmentations = [])).push(file.moduleAugmentations);
- }
- if (file.symbol && file.symbol.globalExports) {
- // Merge in UMD exports with first-in-wins semantics (see #9771)
- var source = file.symbol.globalExports;
- source.forEach(function (sourceSymbol, id) {
- if (!globals.has(id)) {
- globals.set(id, sourceSymbol);
- }
- });
- }
- }
- // We do global augmentations separately from module augmentations (and before creating global types) because they
- // 1. Affect global types. We won't have the correct global types until global augmentations are merged. Also,
- // 2. Module augmentation instantiation requires creating the type of a module, which, in turn, can require
- // checking for an export or property on the module (if export=) which, in turn, can fall back to the
- // apparent type of the module - either globalObjectType or globalFunctionType - which wouldn't exist if we
- // did module augmentations prior to finalizing the global types.
- if (augmentations) {
- // merge _global_ module augmentations.
- // this needs to be done after global symbol table is initialized to make sure that all ambient modules are indexed
- for (var _f = 0, augmentations_1 = augmentations; _f < augmentations_1.length; _f++) {
- var list = augmentations_1[_f];
- for (var _g = 0, list_1 = list; _g < list_1.length; _g++) {
- var augmentation = list_1[_g];
- if (!ts.isGlobalScopeAugmentation(augmentation.parent))
- continue;
- mergeModuleAugmentation(augmentation);
- }
- }
- }
- // Setup global builtins
- addToSymbolTable(globals, builtinGlobals, ts.Diagnostics.Declaration_name_conflicts_with_built_in_global_identifier_0);
- getSymbolLinks(undefinedSymbol).type = undefinedWideningType;
- getSymbolLinks(argumentsSymbol).type = getGlobalType("IArguments", /*arity*/ 0, /*reportErrors*/ true);
- getSymbolLinks(unknownSymbol).type = errorType;
- getSymbolLinks(globalThisSymbol).type = createObjectType(16 /* Anonymous */, globalThisSymbol);
- // Initialize special types
- globalArrayType = getGlobalType("Array", /*arity*/ 1, /*reportErrors*/ true);
- globalObjectType = getGlobalType("Object", /*arity*/ 0, /*reportErrors*/ true);
- globalFunctionType = getGlobalType("Function", /*arity*/ 0, /*reportErrors*/ true);
- globalCallableFunctionType = strictBindCallApply && getGlobalType("CallableFunction", /*arity*/ 0, /*reportErrors*/ true) || globalFunctionType;
- globalNewableFunctionType = strictBindCallApply && getGlobalType("NewableFunction", /*arity*/ 0, /*reportErrors*/ true) || globalFunctionType;
- globalStringType = getGlobalType("String", /*arity*/ 0, /*reportErrors*/ true);
- globalNumberType = getGlobalType("Number", /*arity*/ 0, /*reportErrors*/ true);
- globalBooleanType = getGlobalType("Boolean", /*arity*/ 0, /*reportErrors*/ true);
- globalRegExpType = getGlobalType("RegExp", /*arity*/ 0, /*reportErrors*/ true);
- anyArrayType = createArrayType(anyType);
- autoArrayType = createArrayType(autoType);
- if (autoArrayType === emptyObjectType) {
- // autoArrayType is used as a marker, so even if global Array type is not defined, it needs to be a unique type
- autoArrayType = createAnonymousType(undefined, emptySymbols, ts.emptyArray, ts.emptyArray, undefined, undefined);
- }
- globalReadonlyArrayType = getGlobalTypeOrUndefined("ReadonlyArray", /*arity*/ 1) || globalArrayType;
- anyReadonlyArrayType = globalReadonlyArrayType ? createTypeFromGenericGlobalType(globalReadonlyArrayType, [anyType]) : anyArrayType;
- globalThisType = getGlobalTypeOrUndefined("ThisType", /*arity*/ 1);
- if (augmentations) {
- // merge _nonglobal_ module augmentations.
- // this needs to be done after global symbol table is initialized to make sure that all ambient modules are indexed
- for (var _h = 0, augmentations_2 = augmentations; _h < augmentations_2.length; _h++) {
- var list = augmentations_2[_h];
- for (var _j = 0, list_2 = list; _j < list_2.length; _j++) {
- var augmentation = list_2[_j];
- if (ts.isGlobalScopeAugmentation(augmentation.parent))
- continue;
- mergeModuleAugmentation(augmentation);
- }
- }
- }
- amalgamatedDuplicates.forEach(function (_a) {
- var firstFile = _a.firstFile, secondFile = _a.secondFile, conflictingSymbols = _a.conflictingSymbols;
- // If not many things conflict, issue individual errors
- if (conflictingSymbols.size < 8) {
- conflictingSymbols.forEach(function (_a, symbolName) {
- var isBlockScoped = _a.isBlockScoped, firstFileLocations = _a.firstFileLocations, secondFileLocations = _a.secondFileLocations;
- var message = isBlockScoped ? ts.Diagnostics.Cannot_redeclare_block_scoped_variable_0 : ts.Diagnostics.Duplicate_identifier_0;
- for (var _i = 0, firstFileLocations_1 = firstFileLocations; _i < firstFileLocations_1.length; _i++) {
- var node = firstFileLocations_1[_i];
- addDuplicateDeclarationError(node, message, symbolName, secondFileLocations);
- }
- for (var _b = 0, secondFileLocations_1 = secondFileLocations; _b < secondFileLocations_1.length; _b++) {
- var node = secondFileLocations_1[_b];
- addDuplicateDeclarationError(node, message, symbolName, firstFileLocations);
- }
- });
- }
- else {
- // Otherwise issue top-level error since the files appear very identical in terms of what they contain
- var list = ts.arrayFrom(conflictingSymbols.keys()).join(", ");
- diagnostics.add(ts.addRelatedInfo(ts.createDiagnosticForNode(firstFile, ts.Diagnostics.Definitions_of_the_following_identifiers_conflict_with_those_in_another_file_Colon_0, list), ts.createDiagnosticForNode(secondFile, ts.Diagnostics.Conflicts_are_in_this_file)));
- diagnostics.add(ts.addRelatedInfo(ts.createDiagnosticForNode(secondFile, ts.Diagnostics.Definitions_of_the_following_identifiers_conflict_with_those_in_another_file_Colon_0, list), ts.createDiagnosticForNode(firstFile, ts.Diagnostics.Conflicts_are_in_this_file)));
- }
- });
- amalgamatedDuplicates = undefined;
- }
- function checkExternalEmitHelpers(location, helpers) {
- if ((requestedExternalEmitHelpers & helpers) !== helpers && compilerOptions.importHelpers) {
- var sourceFile = ts.getSourceFileOfNode(location);
- if (ts.isEffectiveExternalModule(sourceFile, compilerOptions) && !(location.flags & 8388608 /* Ambient */)) {
- var helpersModule = resolveHelpersModule(sourceFile, location);
- if (helpersModule !== unknownSymbol) {
- var uncheckedHelpers = helpers & ~requestedExternalEmitHelpers;
- for (var helper = 1 /* FirstEmitHelper */; helper <= 1048576 /* LastEmitHelper */; helper <<= 1) {
- if (uncheckedHelpers & helper) {
- var name = getHelperName(helper);
- var symbol = getSymbol(helpersModule.exports, ts.escapeLeadingUnderscores(name), 111551 /* Value */);
- if (!symbol) {
- error(location, ts.Diagnostics.This_syntax_requires_an_imported_helper_named_1_which_does_not_exist_in_0_Consider_upgrading_your_version_of_0, ts.externalHelpersModuleNameText, name);
- }
- }
- }
- }
- requestedExternalEmitHelpers |= helpers;
- }
- }
- }
- function getHelperName(helper) {
- switch (helper) {
- case 1 /* Extends */: return "__extends";
- case 2 /* Assign */: return "__assign";
- case 4 /* Rest */: return "__rest";
- case 8 /* Decorate */: return "__decorate";
- case 16 /* Metadata */: return "__metadata";
- case 32 /* Param */: return "__param";
- case 64 /* Awaiter */: return "__awaiter";
- case 128 /* Generator */: return "__generator";
- case 256 /* Values */: return "__values";
- case 512 /* Read */: return "__read";
- case 1024 /* Spread */: return "__spread";
- case 2048 /* SpreadArrays */: return "__spreadArrays";
- case 4096 /* Await */: return "__await";
- case 8192 /* AsyncGenerator */: return "__asyncGenerator";
- case 16384 /* AsyncDelegator */: return "__asyncDelegator";
- case 32768 /* AsyncValues */: return "__asyncValues";
- case 65536 /* ExportStar */: return "__exportStar";
- case 131072 /* MakeTemplateObject */: return "__makeTemplateObject";
- case 262144 /* ClassPrivateFieldGet */: return "__classPrivateFieldGet";
- case 524288 /* ClassPrivateFieldSet */: return "__classPrivateFieldSet";
- case 1048576 /* CreateBinding */: return "__createBinding";
- default: return ts.Debug.fail("Unrecognized helper");
- }
- }
- function resolveHelpersModule(node, errorNode) {
- if (!externalHelpersModule) {
- externalHelpersModule = resolveExternalModule(node, ts.externalHelpersModuleNameText, ts.Diagnostics.This_syntax_requires_an_imported_helper_but_module_0_cannot_be_found, errorNode) || unknownSymbol;
- }
- return externalHelpersModule;
- }
- // GRAMMAR CHECKING
- function checkGrammarDecoratorsAndModifiers(node) {
- return checkGrammarDecorators(node) || checkGrammarModifiers(node);
- }
- function checkGrammarDecorators(node) {
- if (!node.decorators) {
- return false;
- }
- if (!ts.nodeCanBeDecorated(node, node.parent, node.parent.parent)) {
- if (node.kind === 161 /* MethodDeclaration */ && !ts.nodeIsPresent(node.body)) {
- return grammarErrorOnFirstToken(node, ts.Diagnostics.A_decorator_can_only_decorate_a_method_implementation_not_an_overload);
- }
- else {
- return grammarErrorOnFirstToken(node, ts.Diagnostics.Decorators_are_not_valid_here);
- }
- }
- else if (node.kind === 163 /* GetAccessor */ || node.kind === 164 /* SetAccessor */) {
- var accessors = ts.getAllAccessorDeclarations(node.parent.members, node);
- if (accessors.firstAccessor.decorators && node === accessors.secondAccessor) {
- return grammarErrorOnFirstToken(node, ts.Diagnostics.Decorators_cannot_be_applied_to_multiple_get_Slashset_accessors_of_the_same_name);
- }
- }
- return false;
- }
- function checkGrammarModifiers(node) {
- var quickResult = reportObviousModifierErrors(node);
- if (quickResult !== undefined) {
- return quickResult;
- }
- var lastStatic, lastDeclare, lastAsync, lastReadonly;
- var flags = 0 /* None */;
- for (var _i = 0, _a = node.modifiers; _i < _a.length; _i++) {
- var modifier = _a[_i];
- if (modifier.kind !== 138 /* ReadonlyKeyword */) {
- if (node.kind === 158 /* PropertySignature */ || node.kind === 160 /* MethodSignature */) {
- return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_appear_on_a_type_member, ts.tokenToString(modifier.kind));
- }
- if (node.kind === 167 /* IndexSignature */) {
- return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_appear_on_an_index_signature, ts.tokenToString(modifier.kind));
- }
- }
- switch (modifier.kind) {
- case 81 /* ConstKeyword */:
- if (node.kind !== 248 /* EnumDeclaration */) {
- return grammarErrorOnNode(node, ts.Diagnostics.A_class_member_cannot_have_the_0_keyword, ts.tokenToString(81 /* ConstKeyword */));
- }
- break;
- case 119 /* PublicKeyword */:
- case 118 /* ProtectedKeyword */:
- case 117 /* PrivateKeyword */:
- var text = visibilityToString(ts.modifierToFlag(modifier.kind));
- if (flags & 28 /* AccessibilityModifier */) {
- return grammarErrorOnNode(modifier, ts.Diagnostics.Accessibility_modifier_already_seen);
- }
- else if (flags & 32 /* Static */) {
- return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_must_precede_1_modifier, text, "static");
- }
- else if (flags & 64 /* Readonly */) {
- return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_must_precede_1_modifier, text, "readonly");
- }
- else if (flags & 256 /* Async */) {
- return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_must_precede_1_modifier, text, "async");
- }
- else if (node.parent.kind === 250 /* ModuleBlock */ || node.parent.kind === 290 /* SourceFile */) {
- return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_appear_on_a_module_or_namespace_element, text);
- }
- else if (flags & 128 /* Abstract */) {
- if (modifier.kind === 117 /* PrivateKeyword */) {
- return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_be_used_with_1_modifier, text, "abstract");
- }
- else {
- return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_must_precede_1_modifier, text, "abstract");
- }
- }
- else if (ts.isPrivateIdentifierPropertyDeclaration(node)) {
- return grammarErrorOnNode(modifier, ts.Diagnostics.An_accessibility_modifier_cannot_be_used_with_a_private_identifier);
- }
- flags |= ts.modifierToFlag(modifier.kind);
- break;
- case 120 /* StaticKeyword */:
- if (flags & 32 /* Static */) {
- return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_already_seen, "static");
- }
- else if (flags & 64 /* Readonly */) {
- return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_must_precede_1_modifier, "static", "readonly");
- }
- else if (flags & 256 /* Async */) {
- return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_must_precede_1_modifier, "static", "async");
- }
- else if (node.parent.kind === 250 /* ModuleBlock */ || node.parent.kind === 290 /* SourceFile */) {
- return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_appear_on_a_module_or_namespace_element, "static");
- }
- else if (node.kind === 156 /* Parameter */) {
- return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_appear_on_a_parameter, "static");
- }
- else if (flags & 128 /* Abstract */) {
- return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_be_used_with_1_modifier, "static", "abstract");
- }
- else if (ts.isPrivateIdentifierPropertyDeclaration(node)) {
- return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_be_used_with_a_private_identifier, "static");
- }
- flags |= 32 /* Static */;
- lastStatic = modifier;
- break;
- case 138 /* ReadonlyKeyword */:
- if (flags & 64 /* Readonly */) {
- return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_already_seen, "readonly");
- }
- else if (node.kind !== 159 /* PropertyDeclaration */ && node.kind !== 158 /* PropertySignature */ && node.kind !== 167 /* IndexSignature */ && node.kind !== 156 /* Parameter */) {
- // If node.kind === SyntaxKind.Parameter, checkParameter report an error if it's not a parameter property.
- return grammarErrorOnNode(modifier, ts.Diagnostics.readonly_modifier_can_only_appear_on_a_property_declaration_or_index_signature);
- }
- flags |= 64 /* Readonly */;
- lastReadonly = modifier;
- break;
- case 89 /* ExportKeyword */:
- if (flags & 1 /* Export */) {
- return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_already_seen, "export");
- }
- else if (flags & 2 /* Ambient */) {
- return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_must_precede_1_modifier, "export", "declare");
- }
- else if (flags & 128 /* Abstract */) {
- return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_must_precede_1_modifier, "export", "abstract");
- }
- else if (flags & 256 /* Async */) {
- return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_must_precede_1_modifier, "export", "async");
- }
- else if (ts.isClassLike(node.parent)) {
- return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_appear_on_a_class_element, "export");
- }
- else if (node.kind === 156 /* Parameter */) {
- return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_appear_on_a_parameter, "export");
- }
- flags |= 1 /* Export */;
- break;
- case 84 /* DefaultKeyword */:
- var container = node.parent.kind === 290 /* SourceFile */ ? node.parent : node.parent.parent;
- if (container.kind === 249 /* ModuleDeclaration */ && !ts.isAmbientModule(container)) {
- return grammarErrorOnNode(modifier, ts.Diagnostics.A_default_export_can_only_be_used_in_an_ECMAScript_style_module);
- }
- flags |= 512 /* Default */;
- break;
- case 130 /* DeclareKeyword */:
- if (flags & 2 /* Ambient */) {
- return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_already_seen, "declare");
- }
- else if (flags & 256 /* Async */) {
- return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_be_used_in_an_ambient_context, "async");
- }
- else if (ts.isClassLike(node.parent) && !ts.isPropertyDeclaration(node)) {
- return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_appear_on_a_class_element, "declare");
- }
- else if (node.kind === 156 /* Parameter */) {
- return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_appear_on_a_parameter, "declare");
- }
- else if ((node.parent.flags & 8388608 /* Ambient */) && node.parent.kind === 250 /* ModuleBlock */) {
- return grammarErrorOnNode(modifier, ts.Diagnostics.A_declare_modifier_cannot_be_used_in_an_already_ambient_context);
- }
- else if (ts.isPrivateIdentifierPropertyDeclaration(node)) {
- return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_be_used_with_a_private_identifier, "declare");
- }
- flags |= 2 /* Ambient */;
- lastDeclare = modifier;
- break;
- case 122 /* AbstractKeyword */:
- if (flags & 128 /* Abstract */) {
- return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_already_seen, "abstract");
- }
- if (node.kind !== 245 /* ClassDeclaration */) {
- if (node.kind !== 161 /* MethodDeclaration */ &&
- node.kind !== 159 /* PropertyDeclaration */ &&
- node.kind !== 163 /* GetAccessor */ &&
- node.kind !== 164 /* SetAccessor */) {
- return grammarErrorOnNode(modifier, ts.Diagnostics.abstract_modifier_can_only_appear_on_a_class_method_or_property_declaration);
- }
- if (!(node.parent.kind === 245 /* ClassDeclaration */ && ts.hasModifier(node.parent, 128 /* Abstract */))) {
- return grammarErrorOnNode(modifier, ts.Diagnostics.Abstract_methods_can_only_appear_within_an_abstract_class);
- }
- if (flags & 32 /* Static */) {
- return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_be_used_with_1_modifier, "static", "abstract");
- }
- if (flags & 8 /* Private */) {
- return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_be_used_with_1_modifier, "private", "abstract");
- }
- }
- if (ts.isNamedDeclaration(node) && node.name.kind === 76 /* PrivateIdentifier */) {
- return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_be_used_with_a_private_identifier, "abstract");
- }
- flags |= 128 /* Abstract */;
- break;
- case 126 /* AsyncKeyword */:
- if (flags & 256 /* Async */) {
- return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_already_seen, "async");
- }
- else if (flags & 2 /* Ambient */ || node.parent.flags & 8388608 /* Ambient */) {
- return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_be_used_in_an_ambient_context, "async");
- }
- else if (node.kind === 156 /* Parameter */) {
- return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_appear_on_a_parameter, "async");
- }
- flags |= 256 /* Async */;
- lastAsync = modifier;
- break;
- }
- }
- if (node.kind === 162 /* Constructor */) {
- if (flags & 32 /* Static */) {
- return grammarErrorOnNode(lastStatic, ts.Diagnostics._0_modifier_cannot_appear_on_a_constructor_declaration, "static");
- }
- if (flags & 128 /* Abstract */) {
- return grammarErrorOnNode(lastStatic, ts.Diagnostics._0_modifier_cannot_appear_on_a_constructor_declaration, "abstract"); // TODO: GH#18217
- }
- else if (flags & 256 /* Async */) {
- return grammarErrorOnNode(lastAsync, ts.Diagnostics._0_modifier_cannot_appear_on_a_constructor_declaration, "async");
- }
- else if (flags & 64 /* Readonly */) {
- return grammarErrorOnNode(lastReadonly, ts.Diagnostics._0_modifier_cannot_appear_on_a_constructor_declaration, "readonly");
- }
- return false;
- }
- else if ((node.kind === 254 /* ImportDeclaration */ || node.kind === 253 /* ImportEqualsDeclaration */) && flags & 2 /* Ambient */) {
- return grammarErrorOnNode(lastDeclare, ts.Diagnostics.A_0_modifier_cannot_be_used_with_an_import_declaration, "declare");
- }
- else if (node.kind === 156 /* Parameter */ && (flags & 92 /* ParameterPropertyModifier */) && ts.isBindingPattern(node.name)) {
- return grammarErrorOnNode(node, ts.Diagnostics.A_parameter_property_may_not_be_declared_using_a_binding_pattern);
- }
- else if (node.kind === 156 /* Parameter */ && (flags & 92 /* ParameterPropertyModifier */) && node.dotDotDotToken) {
- return grammarErrorOnNode(node, ts.Diagnostics.A_parameter_property_cannot_be_declared_using_a_rest_parameter);
- }
- if (flags & 256 /* Async */) {
- return checkGrammarAsyncModifier(node, lastAsync);
- }
- return false;
- }
- /**
- * true | false: Early return this value from checkGrammarModifiers.
- * undefined: Need to do full checking on the modifiers.
- */
- function reportObviousModifierErrors(node) {
- return !node.modifiers
- ? false
- : shouldReportBadModifier(node)
- ? grammarErrorOnFirstToken(node, ts.Diagnostics.Modifiers_cannot_appear_here)
- : undefined;
- }
- function shouldReportBadModifier(node) {
- switch (node.kind) {
- case 163 /* GetAccessor */:
- case 164 /* SetAccessor */:
- case 162 /* Constructor */:
- case 159 /* PropertyDeclaration */:
- case 158 /* PropertySignature */:
- case 161 /* MethodDeclaration */:
- case 160 /* MethodSignature */:
- case 167 /* IndexSignature */:
- case 249 /* ModuleDeclaration */:
- case 254 /* ImportDeclaration */:
- case 253 /* ImportEqualsDeclaration */:
- case 260 /* ExportDeclaration */:
- case 259 /* ExportAssignment */:
- case 201 /* FunctionExpression */:
- case 202 /* ArrowFunction */:
- case 156 /* Parameter */:
- return false;
- default:
- if (node.parent.kind === 250 /* ModuleBlock */ || node.parent.kind === 290 /* SourceFile */) {
- return false;
- }
- switch (node.kind) {
- case 244 /* FunctionDeclaration */:
- return nodeHasAnyModifiersExcept(node, 126 /* AsyncKeyword */);
- case 245 /* ClassDeclaration */:
- return nodeHasAnyModifiersExcept(node, 122 /* AbstractKeyword */);
- case 246 /* InterfaceDeclaration */:
- case 225 /* VariableStatement */:
- case 247 /* TypeAliasDeclaration */:
- return true;
- case 248 /* EnumDeclaration */:
- return nodeHasAnyModifiersExcept(node, 81 /* ConstKeyword */);
- default:
- ts.Debug.fail();
- return false;
- }
- }
- }
- function nodeHasAnyModifiersExcept(node, allowedModifier) {
- return node.modifiers.length > 1 || node.modifiers[0].kind !== allowedModifier;
- }
- function checkGrammarAsyncModifier(node, asyncModifier) {
- switch (node.kind) {
- case 161 /* MethodDeclaration */:
- case 244 /* FunctionDeclaration */:
- case 201 /* FunctionExpression */:
- case 202 /* ArrowFunction */:
- return false;
- }
- return grammarErrorOnNode(asyncModifier, ts.Diagnostics._0_modifier_cannot_be_used_here, "async");
- }
- function checkGrammarForDisallowedTrailingComma(list, diag) {
- if (diag === void 0) { diag = ts.Diagnostics.Trailing_comma_not_allowed; }
- if (list && list.hasTrailingComma) {
- return grammarErrorAtPos(list[0], list.end - ",".length, ",".length, diag);
- }
- return false;
- }
- function checkGrammarTypeParameterList(typeParameters, file) {
- if (typeParameters && typeParameters.length === 0) {
- var start = typeParameters.pos - "<".length;
- var end = ts.skipTrivia(file.text, typeParameters.end) + ">".length;
- return grammarErrorAtPos(file, start, end - start, ts.Diagnostics.Type_parameter_list_cannot_be_empty);
- }
- return false;
- }
- function checkGrammarParameterList(parameters) {
- var seenOptionalParameter = false;
- var parameterCount = parameters.length;
- for (var i = 0; i < parameterCount; i++) {
- var parameter = parameters[i];
- if (parameter.dotDotDotToken) {
- if (i !== (parameterCount - 1)) {
- return grammarErrorOnNode(parameter.dotDotDotToken, ts.Diagnostics.A_rest_parameter_must_be_last_in_a_parameter_list);
- }
- if (!(parameter.flags & 8388608 /* Ambient */)) { // Allow `...foo,` in ambient declarations; see GH#23070
- checkGrammarForDisallowedTrailingComma(parameters, ts.Diagnostics.A_rest_parameter_or_binding_pattern_may_not_have_a_trailing_comma);
- }
- if (parameter.questionToken) {
- return grammarErrorOnNode(parameter.questionToken, ts.Diagnostics.A_rest_parameter_cannot_be_optional);
- }
- if (parameter.initializer) {
- return grammarErrorOnNode(parameter.name, ts.Diagnostics.A_rest_parameter_cannot_have_an_initializer);
- }
- }
- else if (parameter.questionToken) {
- seenOptionalParameter = true;
- if (parameter.initializer) {
- return grammarErrorOnNode(parameter.name, ts.Diagnostics.Parameter_cannot_have_question_mark_and_initializer);
- }
- }
- else if (seenOptionalParameter && !parameter.initializer) {
- return grammarErrorOnNode(parameter.name, ts.Diagnostics.A_required_parameter_cannot_follow_an_optional_parameter);
- }
- }
- }
- function getNonSimpleParameters(parameters) {
- return ts.filter(parameters, function (parameter) { return !!parameter.initializer || ts.isBindingPattern(parameter.name) || ts.isRestParameter(parameter); });
- }
- function checkGrammarForUseStrictSimpleParameterList(node) {
- if (languageVersion >= 3 /* ES2016 */) {
- var useStrictDirective_1 = node.body && ts.isBlock(node.body) && ts.findUseStrictPrologue(node.body.statements);
- if (useStrictDirective_1) {
- var nonSimpleParameters = getNonSimpleParameters(node.parameters);
- if (ts.length(nonSimpleParameters)) {
- ts.forEach(nonSimpleParameters, function (parameter) {
- ts.addRelatedInfo(error(parameter, ts.Diagnostics.This_parameter_is_not_allowed_with_use_strict_directive), ts.createDiagnosticForNode(useStrictDirective_1, ts.Diagnostics.use_strict_directive_used_here));
- });
- var diagnostics_1 = nonSimpleParameters.map(function (parameter, index) { return (index === 0 ? ts.createDiagnosticForNode(parameter, ts.Diagnostics.Non_simple_parameter_declared_here) : ts.createDiagnosticForNode(parameter, ts.Diagnostics.and_here)); });
- ts.addRelatedInfo.apply(void 0, __spreadArrays([error(useStrictDirective_1, ts.Diagnostics.use_strict_directive_cannot_be_used_with_non_simple_parameter_list)], diagnostics_1));
- return true;
- }
- }
- }
- return false;
- }
- function checkGrammarFunctionLikeDeclaration(node) {
- // Prevent cascading error by short-circuit
- var file = ts.getSourceFileOfNode(node);
- return checkGrammarDecoratorsAndModifiers(node) || checkGrammarTypeParameterList(node.typeParameters, file) ||
- checkGrammarParameterList(node.parameters) || checkGrammarArrowFunction(node, file) ||
- (ts.isFunctionLikeDeclaration(node) && checkGrammarForUseStrictSimpleParameterList(node));
- }
- function checkGrammarClassLikeDeclaration(node) {
- var file = ts.getSourceFileOfNode(node);
- return checkGrammarClassDeclarationHeritageClauses(node) || checkGrammarTypeParameterList(node.typeParameters, file);
- }
- function checkGrammarArrowFunction(node, file) {
- if (!ts.isArrowFunction(node)) {
- return false;
- }
- var equalsGreaterThanToken = node.equalsGreaterThanToken;
- var startLine = ts.getLineAndCharacterOfPosition(file, equalsGreaterThanToken.pos).line;
- var endLine = ts.getLineAndCharacterOfPosition(file, equalsGreaterThanToken.end).line;
- return startLine !== endLine && grammarErrorOnNode(equalsGreaterThanToken, ts.Diagnostics.Line_terminator_not_permitted_before_arrow);
- }
- function checkGrammarIndexSignatureParameters(node) {
- var parameter = node.parameters[0];
- if (node.parameters.length !== 1) {
- if (parameter) {
- return grammarErrorOnNode(parameter.name, ts.Diagnostics.An_index_signature_must_have_exactly_one_parameter);
- }
- else {
- return grammarErrorOnNode(node, ts.Diagnostics.An_index_signature_must_have_exactly_one_parameter);
- }
- }
- checkGrammarForDisallowedTrailingComma(node.parameters, ts.Diagnostics.An_index_signature_cannot_have_a_trailing_comma);
- if (parameter.dotDotDotToken) {
- return grammarErrorOnNode(parameter.dotDotDotToken, ts.Diagnostics.An_index_signature_cannot_have_a_rest_parameter);
- }
- if (ts.hasModifiers(parameter)) {
- return grammarErrorOnNode(parameter.name, ts.Diagnostics.An_index_signature_parameter_cannot_have_an_accessibility_modifier);
- }
- if (parameter.questionToken) {
- return grammarErrorOnNode(parameter.questionToken, ts.Diagnostics.An_index_signature_parameter_cannot_have_a_question_mark);
- }
- if (parameter.initializer) {
- return grammarErrorOnNode(parameter.name, ts.Diagnostics.An_index_signature_parameter_cannot_have_an_initializer);
- }
- if (!parameter.type) {
- return grammarErrorOnNode(parameter.name, ts.Diagnostics.An_index_signature_parameter_must_have_a_type_annotation);
- }
- if (parameter.type.kind !== 143 /* StringKeyword */ && parameter.type.kind !== 140 /* NumberKeyword */) {
- var type = getTypeFromTypeNode(parameter.type);
- if (type.flags & 4 /* String */ || type.flags & 8 /* Number */) {
- return grammarErrorOnNode(parameter.name, ts.Diagnostics.An_index_signature_parameter_type_cannot_be_a_type_alias_Consider_writing_0_Colon_1_Colon_2_instead, ts.getTextOfNode(parameter.name), typeToString(type), typeToString(node.type ? getTypeFromTypeNode(node.type) : anyType));
- }
- if (type.flags & 1048576 /* Union */ && allTypesAssignableToKind(type, 384 /* StringOrNumberLiteral */, /*strict*/ true)) {
- return grammarErrorOnNode(parameter.name, ts.Diagnostics.An_index_signature_parameter_type_cannot_be_a_union_type_Consider_using_a_mapped_object_type_instead);
- }
- return grammarErrorOnNode(parameter.name, ts.Diagnostics.An_index_signature_parameter_type_must_be_either_string_or_number);
- }
- if (!node.type) {
- return grammarErrorOnNode(node, ts.Diagnostics.An_index_signature_must_have_a_type_annotation);
- }
- return false;
- }
- function checkGrammarIndexSignature(node) {
- // Prevent cascading error by short-circuit
- return checkGrammarDecoratorsAndModifiers(node) || checkGrammarIndexSignatureParameters(node);
- }
- function checkGrammarForAtLeastOneTypeArgument(node, typeArguments) {
- if (typeArguments && typeArguments.length === 0) {
- var sourceFile = ts.getSourceFileOfNode(node);
- var start = typeArguments.pos - "<".length;
- var end = ts.skipTrivia(sourceFile.text, typeArguments.end) + ">".length;
- return grammarErrorAtPos(sourceFile, start, end - start, ts.Diagnostics.Type_argument_list_cannot_be_empty);
- }
- return false;
- }
- function checkGrammarTypeArguments(node, typeArguments) {
- return checkGrammarForDisallowedTrailingComma(typeArguments) ||
- checkGrammarForAtLeastOneTypeArgument(node, typeArguments);
- }
- function checkGrammarTaggedTemplateChain(node) {
- if (node.questionDotToken || node.flags & 32 /* OptionalChain */) {
- return grammarErrorOnNode(node.template, ts.Diagnostics.Tagged_template_expressions_are_not_permitted_in_an_optional_chain);
- }
- return false;
- }
- function checkGrammarForOmittedArgument(args) {
- if (args) {
- for (var _i = 0, args_4 = args; _i < args_4.length; _i++) {
- var arg = args_4[_i];
- if (arg.kind === 215 /* OmittedExpression */) {
- return grammarErrorAtPos(arg, arg.pos, 0, ts.Diagnostics.Argument_expression_expected);
- }
- }
- }
- return false;
- }
- function checkGrammarArguments(args) {
- return checkGrammarForOmittedArgument(args);
- }
- function checkGrammarHeritageClause(node) {
- var types = node.types;
- if (checkGrammarForDisallowedTrailingComma(types)) {
- return true;
- }
- if (types && types.length === 0) {
- var listType = ts.tokenToString(node.token);
- return grammarErrorAtPos(node, types.pos, 0, ts.Diagnostics._0_list_cannot_be_empty, listType);
- }
- return ts.some(types, checkGrammarExpressionWithTypeArguments);
- }
- function checkGrammarExpressionWithTypeArguments(node) {
- return checkGrammarTypeArguments(node, node.typeArguments);
- }
- function checkGrammarClassDeclarationHeritageClauses(node) {
- var seenExtendsClause = false;
- var seenImplementsClause = false;
- if (!checkGrammarDecoratorsAndModifiers(node) && node.heritageClauses) {
- for (var _i = 0, _a = node.heritageClauses; _i < _a.length; _i++) {
- var heritageClause = _a[_i];
- if (heritageClause.token === 90 /* ExtendsKeyword */) {
- if (seenExtendsClause) {
- return grammarErrorOnFirstToken(heritageClause, ts.Diagnostics.extends_clause_already_seen);
- }
- if (seenImplementsClause) {
- return grammarErrorOnFirstToken(heritageClause, ts.Diagnostics.extends_clause_must_precede_implements_clause);
- }
- if (heritageClause.types.length > 1) {
- return grammarErrorOnFirstToken(heritageClause.types[1], ts.Diagnostics.Classes_can_only_extend_a_single_class);
- }
- seenExtendsClause = true;
- }
- else {
- ts.Debug.assert(heritageClause.token === 113 /* ImplementsKeyword */);
- if (seenImplementsClause) {
- return grammarErrorOnFirstToken(heritageClause, ts.Diagnostics.implements_clause_already_seen);
- }
- seenImplementsClause = true;
- }
- // Grammar checking heritageClause inside class declaration
- checkGrammarHeritageClause(heritageClause);
- }
- }
- }
- function checkGrammarInterfaceDeclaration(node) {
- var seenExtendsClause = false;
- if (node.heritageClauses) {
- for (var _i = 0, _a = node.heritageClauses; _i < _a.length; _i++) {
- var heritageClause = _a[_i];
- if (heritageClause.token === 90 /* ExtendsKeyword */) {
- if (seenExtendsClause) {
- return grammarErrorOnFirstToken(heritageClause, ts.Diagnostics.extends_clause_already_seen);
- }
- seenExtendsClause = true;
- }
- else {
- ts.Debug.assert(heritageClause.token === 113 /* ImplementsKeyword */);
- return grammarErrorOnFirstToken(heritageClause, ts.Diagnostics.Interface_declaration_cannot_have_implements_clause);
- }
- // Grammar checking heritageClause inside class declaration
- checkGrammarHeritageClause(heritageClause);
- }
- }
- return false;
- }
- function checkGrammarComputedPropertyName(node) {
- // If node is not a computedPropertyName, just skip the grammar checking
- if (node.kind !== 154 /* ComputedPropertyName */) {
- return false;
- }
- var computedPropertyName = node;
- if (computedPropertyName.expression.kind === 209 /* BinaryExpression */ && computedPropertyName.expression.operatorToken.kind === 27 /* CommaToken */) {
- return grammarErrorOnNode(computedPropertyName.expression, ts.Diagnostics.A_comma_expression_is_not_allowed_in_a_computed_property_name);
- }
- return false;
- }
- function checkGrammarForGenerator(node) {
- if (node.asteriskToken) {
- ts.Debug.assert(node.kind === 244 /* FunctionDeclaration */ ||
- node.kind === 201 /* FunctionExpression */ ||
- node.kind === 161 /* MethodDeclaration */);
- if (node.flags & 8388608 /* Ambient */) {
- return grammarErrorOnNode(node.asteriskToken, ts.Diagnostics.Generators_are_not_allowed_in_an_ambient_context);
- }
- if (!node.body) {
- return grammarErrorOnNode(node.asteriskToken, ts.Diagnostics.An_overload_signature_cannot_be_declared_as_a_generator);
- }
- }
- }
- function checkGrammarForInvalidQuestionMark(questionToken, message) {
- return !!questionToken && grammarErrorOnNode(questionToken, message);
- }
- function checkGrammarForInvalidExclamationToken(exclamationToken, message) {
- return !!exclamationToken && grammarErrorOnNode(exclamationToken, message);
- }
- function checkGrammarObjectLiteralExpression(node, inDestructuring) {
- var seen = ts.createUnderscoreEscapedMap();
- for (var _i = 0, _a = node.properties; _i < _a.length; _i++) {
- var prop = _a[_i];
- if (prop.kind === 283 /* SpreadAssignment */) {
- if (inDestructuring) {
- // a rest property cannot be destructured any further
- var expression = ts.skipParentheses(prop.expression);
- if (ts.isArrayLiteralExpression(expression) || ts.isObjectLiteralExpression(expression)) {
- return grammarErrorOnNode(prop.expression, ts.Diagnostics.A_rest_element_cannot_contain_a_binding_pattern);
- }
- }
- continue;
- }
- var name = prop.name;
- if (name.kind === 154 /* ComputedPropertyName */) {
- // If the name is not a ComputedPropertyName, the grammar checking will skip it
- checkGrammarComputedPropertyName(name);
- }
- if (prop.kind === 282 /* ShorthandPropertyAssignment */ && !inDestructuring && prop.objectAssignmentInitializer) {
- // having objectAssignmentInitializer is only valid in ObjectAssignmentPattern
- // outside of destructuring it is a syntax error
- return grammarErrorOnNode(prop.equalsToken, ts.Diagnostics.can_only_be_used_in_an_object_literal_property_inside_a_destructuring_assignment);
- }
- if (name.kind === 76 /* PrivateIdentifier */) {
- return grammarErrorOnNode(name, ts.Diagnostics.Private_identifiers_are_not_allowed_outside_class_bodies);
- }
- // Modifiers are never allowed on properties except for 'async' on a method declaration
- if (prop.modifiers) {
- // eslint-disable-next-line @typescript-eslint/no-unnecessary-type-assertion
- for (var _b = 0, _c = prop.modifiers; _b < _c.length; _b++) { // TODO: GH#19955
- var mod = _c[_b];
- if (mod.kind !== 126 /* AsyncKeyword */ || prop.kind !== 161 /* MethodDeclaration */) {
- grammarErrorOnNode(mod, ts.Diagnostics._0_modifier_cannot_be_used_here, ts.getTextOfNode(mod));
- }
- }
- }
- // ECMA-262 11.1.5 Object Initializer
- // If previous is not undefined then throw a SyntaxError exception if any of the following conditions are true
- // a.This production is contained in strict code and IsDataDescriptor(previous) is true and
- // IsDataDescriptor(propId.descriptor) is true.
- // b.IsDataDescriptor(previous) is true and IsAccessorDescriptor(propId.descriptor) is true.
- // c.IsAccessorDescriptor(previous) is true and IsDataDescriptor(propId.descriptor) is true.
- // d.IsAccessorDescriptor(previous) is true and IsAccessorDescriptor(propId.descriptor) is true
- // and either both previous and propId.descriptor have[[Get]] fields or both previous and propId.descriptor have[[Set]] fields
- var currentKind = void 0;
- switch (prop.kind) {
- case 282 /* ShorthandPropertyAssignment */:
- checkGrammarForInvalidExclamationToken(prop.exclamationToken, ts.Diagnostics.A_definite_assignment_assertion_is_not_permitted_in_this_context);
- // falls through
- case 281 /* PropertyAssignment */:
- // Grammar checking for computedPropertyName and shorthandPropertyAssignment
- checkGrammarForInvalidQuestionMark(prop.questionToken, ts.Diagnostics.An_object_member_cannot_be_declared_optional);
- if (name.kind === 8 /* NumericLiteral */) {
- checkGrammarNumericLiteral(name);
- }
- currentKind = 4 /* PropertyAssignment */;
- break;
- case 161 /* MethodDeclaration */:
- currentKind = 8 /* Method */;
- break;
- case 163 /* GetAccessor */:
- currentKind = 1 /* GetAccessor */;
- break;
- case 164 /* SetAccessor */:
- currentKind = 2 /* SetAccessor */;
- break;
- default:
- throw ts.Debug.assertNever(prop, "Unexpected syntax kind:" + prop.kind);
- }
- if (!inDestructuring) {
- var effectiveName = ts.getPropertyNameForPropertyNameNode(name);
- if (effectiveName === undefined) {
- continue;
- }
- var existingKind = seen.get(effectiveName);
- if (!existingKind) {
- seen.set(effectiveName, currentKind);
- }
- else {
- if ((currentKind & 12 /* PropertyAssignmentOrMethod */) && (existingKind & 12 /* PropertyAssignmentOrMethod */)) {
- grammarErrorOnNode(name, ts.Diagnostics.Duplicate_identifier_0, ts.getTextOfNode(name));
- }
- else if ((currentKind & 3 /* GetOrSetAccessor */) && (existingKind & 3 /* GetOrSetAccessor */)) {
- if (existingKind !== 3 /* GetOrSetAccessor */ && currentKind !== existingKind) {
- seen.set(effectiveName, currentKind | existingKind);
- }
- else {
- return grammarErrorOnNode(name, ts.Diagnostics.An_object_literal_cannot_have_multiple_get_Slashset_accessors_with_the_same_name);
- }
- }
- else {
- return grammarErrorOnNode(name, ts.Diagnostics.An_object_literal_cannot_have_property_and_accessor_with_the_same_name);
- }
- }
- }
- }
- }
- function checkGrammarJsxElement(node) {
- checkGrammarTypeArguments(node, node.typeArguments);
- var seen = ts.createUnderscoreEscapedMap();
- for (var _i = 0, _a = node.attributes.properties; _i < _a.length; _i++) {
- var attr = _a[_i];
- if (attr.kind === 275 /* JsxSpreadAttribute */) {
- continue;
- }
- var name = attr.name, initializer = attr.initializer;
- if (!seen.get(name.escapedText)) {
- seen.set(name.escapedText, true);
- }
- else {
- return grammarErrorOnNode(name, ts.Diagnostics.JSX_elements_cannot_have_multiple_attributes_with_the_same_name);
- }
- if (initializer && initializer.kind === 276 /* JsxExpression */ && !initializer.expression) {
- return grammarErrorOnNode(initializer, ts.Diagnostics.JSX_attributes_must_only_be_assigned_a_non_empty_expression);
- }
- }
- }
- function checkGrammarJsxExpression(node) {
- if (node.expression && ts.isCommaSequence(node.expression)) {
- return grammarErrorOnNode(node.expression, ts.Diagnostics.JSX_expressions_may_not_use_the_comma_operator_Did_you_mean_to_write_an_array);
- }
- }
- function checkGrammarForInOrForOfStatement(forInOrOfStatement) {
- if (checkGrammarStatementInAmbientContext(forInOrOfStatement)) {
- return true;
- }
- if (forInOrOfStatement.kind === 232 /* ForOfStatement */ && forInOrOfStatement.awaitModifier) {
- if ((forInOrOfStatement.flags & 32768 /* AwaitContext */) === 0 /* None */) {
- // use of 'for-await-of' in non-async function
- var sourceFile = ts.getSourceFileOfNode(forInOrOfStatement);
- if (!hasParseDiagnostics(sourceFile)) {
- var diagnostic = ts.createDiagnosticForNode(forInOrOfStatement.awaitModifier, ts.Diagnostics.A_for_await_of_statement_is_only_allowed_within_an_async_function_or_async_generator);
- var func = ts.getContainingFunction(forInOrOfStatement);
- if (func && func.kind !== 162 /* Constructor */) {
- ts.Debug.assert((ts.getFunctionFlags(func) & 2 /* Async */) === 0, "Enclosing function should never be an async function.");
- var relatedInfo = ts.createDiagnosticForNode(func, ts.Diagnostics.Did_you_mean_to_mark_this_function_as_async);
- ts.addRelatedInfo(diagnostic, relatedInfo);
- }
- diagnostics.add(diagnostic);
- return true;
- }
- return false;
- }
- }
- if (forInOrOfStatement.initializer.kind === 243 /* VariableDeclarationList */) {
- var variableList = forInOrOfStatement.initializer;
- if (!checkGrammarVariableDeclarationList(variableList)) {
- var declarations = variableList.declarations;
- // declarations.length can be zero if there is an error in variable declaration in for-of or for-in
- // See http://www.ecma-international.org/ecma-262/6.0/#sec-for-in-and-for-of-statements for details
- // For example:
- // var let = 10;
- // for (let of [1,2,3]) {} // this is invalid ES6 syntax
- // for (let in [1,2,3]) {} // this is invalid ES6 syntax
- // We will then want to skip on grammar checking on variableList declaration
- if (!declarations.length) {
- return false;
- }
- if (declarations.length > 1) {
- var diagnostic = forInOrOfStatement.kind === 231 /* ForInStatement */
- ? ts.Diagnostics.Only_a_single_variable_declaration_is_allowed_in_a_for_in_statement
- : ts.Diagnostics.Only_a_single_variable_declaration_is_allowed_in_a_for_of_statement;
- return grammarErrorOnFirstToken(variableList.declarations[1], diagnostic);
- }
- var firstDeclaration = declarations[0];
- if (firstDeclaration.initializer) {
- var diagnostic = forInOrOfStatement.kind === 231 /* ForInStatement */
- ? ts.Diagnostics.The_variable_declaration_of_a_for_in_statement_cannot_have_an_initializer
- : ts.Diagnostics.The_variable_declaration_of_a_for_of_statement_cannot_have_an_initializer;
- return grammarErrorOnNode(firstDeclaration.name, diagnostic);
- }
- if (firstDeclaration.type) {
- var diagnostic = forInOrOfStatement.kind === 231 /* ForInStatement */
- ? ts.Diagnostics.The_left_hand_side_of_a_for_in_statement_cannot_use_a_type_annotation
- : ts.Diagnostics.The_left_hand_side_of_a_for_of_statement_cannot_use_a_type_annotation;
- return grammarErrorOnNode(firstDeclaration, diagnostic);
- }
- }
- }
- return false;
- }
- function checkGrammarAccessor(accessor) {
- if (!(accessor.flags & 8388608 /* Ambient */)) {
- if (languageVersion < 1 /* ES5 */) {
- return grammarErrorOnNode(accessor.name, ts.Diagnostics.Accessors_are_only_available_when_targeting_ECMAScript_5_and_higher);
- }
- if (accessor.body === undefined && !ts.hasModifier(accessor, 128 /* Abstract */)) {
- return grammarErrorAtPos(accessor, accessor.end - 1, ";".length, ts.Diagnostics._0_expected, "{");
- }
- }
- if (accessor.body && ts.hasModifier(accessor, 128 /* Abstract */)) {
- return grammarErrorOnNode(accessor, ts.Diagnostics.An_abstract_accessor_cannot_have_an_implementation);
- }
- if (accessor.typeParameters) {
- return grammarErrorOnNode(accessor.name, ts.Diagnostics.An_accessor_cannot_have_type_parameters);
- }
- if (!doesAccessorHaveCorrectParameterCount(accessor)) {
- return grammarErrorOnNode(accessor.name, accessor.kind === 163 /* GetAccessor */ ?
- ts.Diagnostics.A_get_accessor_cannot_have_parameters :
- ts.Diagnostics.A_set_accessor_must_have_exactly_one_parameter);
- }
- if (accessor.kind === 164 /* SetAccessor */) {
- if (accessor.type) {
- return grammarErrorOnNode(accessor.name, ts.Diagnostics.A_set_accessor_cannot_have_a_return_type_annotation);
- }
- var parameter = ts.Debug.checkDefined(ts.getSetAccessorValueParameter(accessor), "Return value does not match parameter count assertion.");
- if (parameter.dotDotDotToken) {
- return grammarErrorOnNode(parameter.dotDotDotToken, ts.Diagnostics.A_set_accessor_cannot_have_rest_parameter);
- }
- if (parameter.questionToken) {
- return grammarErrorOnNode(parameter.questionToken, ts.Diagnostics.A_set_accessor_cannot_have_an_optional_parameter);
- }
- if (parameter.initializer) {
- return grammarErrorOnNode(accessor.name, ts.Diagnostics.A_set_accessor_parameter_cannot_have_an_initializer);
- }
- }
- return false;
- }
- /** Does the accessor have the right number of parameters?
- * A get accessor has no parameters or a single `this` parameter.
- * A set accessor has one parameter or a `this` parameter and one more parameter.
- */
- function doesAccessorHaveCorrectParameterCount(accessor) {
- return getAccessorThisParameter(accessor) || accessor.parameters.length === (accessor.kind === 163 /* GetAccessor */ ? 0 : 1);
- }
- function getAccessorThisParameter(accessor) {
- if (accessor.parameters.length === (accessor.kind === 163 /* GetAccessor */ ? 1 : 2)) {
- return ts.getThisParameter(accessor);
- }
- }
- function checkGrammarTypeOperatorNode(node) {
- if (node.operator === 147 /* UniqueKeyword */) {
- if (node.type.kind !== 144 /* SymbolKeyword */) {
- return grammarErrorOnNode(node.type, ts.Diagnostics._0_expected, ts.tokenToString(144 /* SymbolKeyword */));
- }
- var parent = ts.walkUpParenthesizedTypes(node.parent);
- switch (parent.kind) {
- case 242 /* VariableDeclaration */:
- var decl = parent;
- if (decl.name.kind !== 75 /* Identifier */) {
- return grammarErrorOnNode(node, ts.Diagnostics.unique_symbol_types_may_not_be_used_on_a_variable_declaration_with_a_binding_name);
- }
- if (!ts.isVariableDeclarationInVariableStatement(decl)) {
- return grammarErrorOnNode(node, ts.Diagnostics.unique_symbol_types_are_only_allowed_on_variables_in_a_variable_statement);
- }
- if (!(decl.parent.flags & 2 /* Const */)) {
- return grammarErrorOnNode(parent.name, ts.Diagnostics.A_variable_whose_type_is_a_unique_symbol_type_must_be_const);
- }
- break;
- case 159 /* PropertyDeclaration */:
- if (!ts.hasModifier(parent, 32 /* Static */) ||
- !ts.hasModifier(parent, 64 /* Readonly */)) {
- return grammarErrorOnNode(parent.name, ts.Diagnostics.A_property_of_a_class_whose_type_is_a_unique_symbol_type_must_be_both_static_and_readonly);
- }
- break;
- case 158 /* PropertySignature */:
- if (!ts.hasModifier(parent, 64 /* Readonly */)) {
- return grammarErrorOnNode(parent.name, ts.Diagnostics.A_property_of_an_interface_or_type_literal_whose_type_is_a_unique_symbol_type_must_be_readonly);
- }
- break;
- default:
- return grammarErrorOnNode(node, ts.Diagnostics.unique_symbol_types_are_not_allowed_here);
- }
- }
- else if (node.operator === 138 /* ReadonlyKeyword */) {
- if (node.type.kind !== 174 /* ArrayType */ && node.type.kind !== 175 /* TupleType */) {
- return grammarErrorOnFirstToken(node, ts.Diagnostics.readonly_type_modifier_is_only_permitted_on_array_and_tuple_literal_types, ts.tokenToString(144 /* SymbolKeyword */));
- }
- }
- }
- function checkGrammarForInvalidDynamicName(node, message) {
- if (isNonBindableDynamicName(node)) {
- return grammarErrorOnNode(node, message);
- }
- }
- function checkGrammarMethod(node) {
- if (checkGrammarFunctionLikeDeclaration(node)) {
- return true;
- }
- if (node.kind === 161 /* MethodDeclaration */) {
- if (node.parent.kind === 193 /* ObjectLiteralExpression */) {
- // We only disallow modifier on a method declaration if it is a property of object-literal-expression
- if (node.modifiers && !(node.modifiers.length === 1 && ts.first(node.modifiers).kind === 126 /* AsyncKeyword */)) {
- return grammarErrorOnFirstToken(node, ts.Diagnostics.Modifiers_cannot_appear_here);
- }
- else if (checkGrammarForInvalidQuestionMark(node.questionToken, ts.Diagnostics.An_object_member_cannot_be_declared_optional)) {
- return true;
- }
- else if (checkGrammarForInvalidExclamationToken(node.exclamationToken, ts.Diagnostics.A_definite_assignment_assertion_is_not_permitted_in_this_context)) {
- return true;
- }
- else if (node.body === undefined) {
- return grammarErrorAtPos(node, node.end - 1, ";".length, ts.Diagnostics._0_expected, "{");
- }
- }
- if (checkGrammarForGenerator(node)) {
- return true;
- }
- }
- if (ts.isClassLike(node.parent)) {
- // Technically, computed properties in ambient contexts is disallowed
- // for property declarations and accessors too, not just methods.
- // However, property declarations disallow computed names in general,
- // and accessors are not allowed in ambient contexts in general,
- // so this error only really matters for methods.
- if (node.flags & 8388608 /* Ambient */) {
- return checkGrammarForInvalidDynamicName(node.name, ts.Diagnostics.A_computed_property_name_in_an_ambient_context_must_refer_to_an_expression_whose_type_is_a_literal_type_or_a_unique_symbol_type);
- }
- else if (node.kind === 161 /* MethodDeclaration */ && !node.body) {
- return checkGrammarForInvalidDynamicName(node.name, ts.Diagnostics.A_computed_property_name_in_a_method_overload_must_refer_to_an_expression_whose_type_is_a_literal_type_or_a_unique_symbol_type);
- }
- }
- else if (node.parent.kind === 246 /* InterfaceDeclaration */) {
- return checkGrammarForInvalidDynamicName(node.name, ts.Diagnostics.A_computed_property_name_in_an_interface_must_refer_to_an_expression_whose_type_is_a_literal_type_or_a_unique_symbol_type);
- }
- else if (node.parent.kind === 173 /* TypeLiteral */) {
- return checkGrammarForInvalidDynamicName(node.name, ts.Diagnostics.A_computed_property_name_in_a_type_literal_must_refer_to_an_expression_whose_type_is_a_literal_type_or_a_unique_symbol_type);
- }
- }
- function checkGrammarBreakOrContinueStatement(node) {
- var current = node;
- while (current) {
- if (ts.isFunctionLike(current)) {
- return grammarErrorOnNode(node, ts.Diagnostics.Jump_target_cannot_cross_function_boundary);
- }
- switch (current.kind) {
- case 238 /* LabeledStatement */:
- if (node.label && current.label.escapedText === node.label.escapedText) {
- // found matching label - verify that label usage is correct
- // continue can only target labels that are on iteration statements
- var isMisplacedContinueLabel = node.kind === 233 /* ContinueStatement */
- && !ts.isIterationStatement(current.statement, /*lookInLabeledStatement*/ true);
- if (isMisplacedContinueLabel) {
- return grammarErrorOnNode(node, ts.Diagnostics.A_continue_statement_can_only_jump_to_a_label_of_an_enclosing_iteration_statement);
- }
- return false;
- }
- break;
- case 237 /* SwitchStatement */:
- if (node.kind === 234 /* BreakStatement */ && !node.label) {
- // unlabeled break within switch statement - ok
- return false;
- }
- break;
- default:
- if (ts.isIterationStatement(current, /*lookInLabeledStatement*/ false) && !node.label) {
- // unlabeled break or continue within iteration statement - ok
- return false;
- }
- break;
- }
- current = current.parent;
- }
- if (node.label) {
- var message = node.kind === 234 /* BreakStatement */
- ? ts.Diagnostics.A_break_statement_can_only_jump_to_a_label_of_an_enclosing_statement
- : ts.Diagnostics.A_continue_statement_can_only_jump_to_a_label_of_an_enclosing_iteration_statement;
- return grammarErrorOnNode(node, message);
- }
- else {
- var message = node.kind === 234 /* BreakStatement */
- ? ts.Diagnostics.A_break_statement_can_only_be_used_within_an_enclosing_iteration_or_switch_statement
- : ts.Diagnostics.A_continue_statement_can_only_be_used_within_an_enclosing_iteration_statement;
- return grammarErrorOnNode(node, message);
- }
- }
- function checkGrammarBindingElement(node) {
- if (node.dotDotDotToken) {
- var elements = node.parent.elements;
- if (node !== ts.last(elements)) {
- return grammarErrorOnNode(node, ts.Diagnostics.A_rest_element_must_be_last_in_a_destructuring_pattern);
- }
- checkGrammarForDisallowedTrailingComma(elements, ts.Diagnostics.A_rest_parameter_or_binding_pattern_may_not_have_a_trailing_comma);
- if (node.propertyName) {
- return grammarErrorOnNode(node.name, ts.Diagnostics.A_rest_element_cannot_have_a_property_name);
- }
- if (node.initializer) {
- // Error on equals token which immediately precedes the initializer
- return grammarErrorAtPos(node, node.initializer.pos - 1, 1, ts.Diagnostics.A_rest_element_cannot_have_an_initializer);
- }
- }
- }
- function isStringOrNumberLiteralExpression(expr) {
- return ts.isStringOrNumericLiteralLike(expr) ||
- expr.kind === 207 /* PrefixUnaryExpression */ && expr.operator === 40 /* MinusToken */ &&
- expr.operand.kind === 8 /* NumericLiteral */;
- }
- function isBigIntLiteralExpression(expr) {
- return expr.kind === 9 /* BigIntLiteral */ ||
- expr.kind === 207 /* PrefixUnaryExpression */ && expr.operator === 40 /* MinusToken */ &&
- expr.operand.kind === 9 /* BigIntLiteral */;
- }
- function isSimpleLiteralEnumReference(expr) {
- if ((ts.isPropertyAccessExpression(expr) || (ts.isElementAccessExpression(expr) && isStringOrNumberLiteralExpression(expr.argumentExpression))) &&
- ts.isEntityNameExpression(expr.expression)) {
- return !!(checkExpressionCached(expr).flags & 1024 /* EnumLiteral */);
- }
- }
- function checkAmbientInitializer(node) {
- var initializer = node.initializer;
- if (initializer) {
- var isInvalidInitializer = !(isStringOrNumberLiteralExpression(initializer) ||
- isSimpleLiteralEnumReference(initializer) ||
- initializer.kind === 106 /* TrueKeyword */ || initializer.kind === 91 /* FalseKeyword */ ||
- isBigIntLiteralExpression(initializer));
- var isConstOrReadonly = ts.isDeclarationReadonly(node) || ts.isVariableDeclaration(node) && ts.isVarConst(node);
- if (isConstOrReadonly && !node.type) {
- if (isInvalidInitializer) {
- return grammarErrorOnNode(initializer, ts.Diagnostics.A_const_initializer_in_an_ambient_context_must_be_a_string_or_numeric_literal_or_literal_enum_reference);
- }
- }
- else {
- return grammarErrorOnNode(initializer, ts.Diagnostics.Initializers_are_not_allowed_in_ambient_contexts);
- }
- if (!isConstOrReadonly || isInvalidInitializer) {
- return grammarErrorOnNode(initializer, ts.Diagnostics.Initializers_are_not_allowed_in_ambient_contexts);
- }
- }
- }
- function checkGrammarVariableDeclaration(node) {
- if (node.parent.parent.kind !== 231 /* ForInStatement */ && node.parent.parent.kind !== 232 /* ForOfStatement */) {
- if (node.flags & 8388608 /* Ambient */) {
- checkAmbientInitializer(node);
- }
- else if (!node.initializer) {
- if (ts.isBindingPattern(node.name) && !ts.isBindingPattern(node.parent)) {
- return grammarErrorOnNode(node, ts.Diagnostics.A_destructuring_declaration_must_have_an_initializer);
- }
- if (ts.isVarConst(node)) {
- return grammarErrorOnNode(node, ts.Diagnostics.const_declarations_must_be_initialized);
- }
- }
- }
- if (node.exclamationToken && (node.parent.parent.kind !== 225 /* VariableStatement */ || !node.type || node.initializer || node.flags & 8388608 /* Ambient */)) {
- return grammarErrorOnNode(node.exclamationToken, ts.Diagnostics.Definite_assignment_assertions_can_only_be_used_along_with_a_type_annotation);
- }
- var moduleKind = ts.getEmitModuleKind(compilerOptions);
- if (moduleKind < ts.ModuleKind.ES2015 && moduleKind !== ts.ModuleKind.System && !compilerOptions.noEmit &&
- !(node.parent.parent.flags & 8388608 /* Ambient */) && ts.hasModifier(node.parent.parent, 1 /* Export */)) {
- checkESModuleMarker(node.name);
- }
- var checkLetConstNames = (ts.isLet(node) || ts.isVarConst(node));
- // 1. LexicalDeclaration : LetOrConst BindingList ;
- // It is a Syntax Error if the BoundNames of BindingList contains "let".
- // 2. ForDeclaration: ForDeclaration : LetOrConst ForBinding
- // It is a Syntax Error if the BoundNames of ForDeclaration contains "let".
- // It is a SyntaxError if a VariableDeclaration or VariableDeclarationNoIn occurs within strict code
- // and its Identifier is eval or arguments
- return checkLetConstNames && checkGrammarNameInLetOrConstDeclarations(node.name);
- }
- function checkESModuleMarker(name) {
- if (name.kind === 75 /* Identifier */) {
- if (ts.idText(name) === "__esModule") {
- return grammarErrorOnNode(name, ts.Diagnostics.Identifier_expected_esModule_is_reserved_as_an_exported_marker_when_transforming_ECMAScript_modules);
- }
- }
- else {
- var elements = name.elements;
- for (var _i = 0, elements_1 = elements; _i < elements_1.length; _i++) {
- var element = elements_1[_i];
- if (!ts.isOmittedExpression(element)) {
- return checkESModuleMarker(element.name);
- }
- }
- }
- return false;
- }
- function checkGrammarNameInLetOrConstDeclarations(name) {
- if (name.kind === 75 /* Identifier */) {
- if (name.originalKeywordKind === 115 /* LetKeyword */) {
- return grammarErrorOnNode(name, ts.Diagnostics.let_is_not_allowed_to_be_used_as_a_name_in_let_or_const_declarations);
- }
- }
- else {
- var elements = name.elements;
- for (var _i = 0, elements_2 = elements; _i < elements_2.length; _i++) {
- var element = elements_2[_i];
- if (!ts.isOmittedExpression(element)) {
- checkGrammarNameInLetOrConstDeclarations(element.name);
- }
- }
- }
- return false;
- }
- function checkGrammarVariableDeclarationList(declarationList) {
- var declarations = declarationList.declarations;
- if (checkGrammarForDisallowedTrailingComma(declarationList.declarations)) {
- return true;
- }
- if (!declarationList.declarations.length) {
- return grammarErrorAtPos(declarationList, declarations.pos, declarations.end - declarations.pos, ts.Diagnostics.Variable_declaration_list_cannot_be_empty);
- }
- return false;
- }
- function allowLetAndConstDeclarations(parent) {
- switch (parent.kind) {
- case 227 /* IfStatement */:
- case 228 /* DoStatement */:
- case 229 /* WhileStatement */:
- case 236 /* WithStatement */:
- case 230 /* ForStatement */:
- case 231 /* ForInStatement */:
- case 232 /* ForOfStatement */:
- return false;
- case 238 /* LabeledStatement */:
- return allowLetAndConstDeclarations(parent.parent);
- }
- return true;
- }
- function checkGrammarForDisallowedLetOrConstStatement(node) {
- if (!allowLetAndConstDeclarations(node.parent)) {
- if (ts.isLet(node.declarationList)) {
- return grammarErrorOnNode(node, ts.Diagnostics.let_declarations_can_only_be_declared_inside_a_block);
- }
- else if (ts.isVarConst(node.declarationList)) {
- return grammarErrorOnNode(node, ts.Diagnostics.const_declarations_can_only_be_declared_inside_a_block);
- }
- }
- }
- function checkGrammarMetaProperty(node) {
- var escapedText = node.name.escapedText;
- switch (node.keywordToken) {
- case 99 /* NewKeyword */:
- if (escapedText !== "target") {
- return grammarErrorOnNode(node.name, ts.Diagnostics._0_is_not_a_valid_meta_property_for_keyword_1_Did_you_mean_2, node.name.escapedText, ts.tokenToString(node.keywordToken), "target");
- }
- break;
- case 96 /* ImportKeyword */:
- if (escapedText !== "meta") {
- return grammarErrorOnNode(node.name, ts.Diagnostics._0_is_not_a_valid_meta_property_for_keyword_1_Did_you_mean_2, node.name.escapedText, ts.tokenToString(node.keywordToken), "meta");
- }
- break;
- }
- }
- function hasParseDiagnostics(sourceFile) {
- return sourceFile.parseDiagnostics.length > 0;
- }
- function grammarErrorOnFirstToken(node, message, arg0, arg1, arg2) {
- var sourceFile = ts.getSourceFileOfNode(node);
- if (!hasParseDiagnostics(sourceFile)) {
- var span = ts.getSpanOfTokenAtPosition(sourceFile, node.pos);
- diagnostics.add(ts.createFileDiagnostic(sourceFile, span.start, span.length, message, arg0, arg1, arg2));
- return true;
- }
- return false;
- }
- function grammarErrorAtPos(nodeForSourceFile, start, length, message, arg0, arg1, arg2) {
- var sourceFile = ts.getSourceFileOfNode(nodeForSourceFile);
- if (!hasParseDiagnostics(sourceFile)) {
- diagnostics.add(ts.createFileDiagnostic(sourceFile, start, length, message, arg0, arg1, arg2));
- return true;
- }
- return false;
- }
- function grammarErrorOnNode(node, message, arg0, arg1, arg2) {
- var sourceFile = ts.getSourceFileOfNode(node);
- if (!hasParseDiagnostics(sourceFile)) {
- diagnostics.add(ts.createDiagnosticForNode(node, message, arg0, arg1, arg2));
- return true;
- }
- return false;
- }
- function checkGrammarConstructorTypeParameters(node) {
- var jsdocTypeParameters = ts.isInJSFile(node) ? ts.getJSDocTypeParameterDeclarations(node) : undefined;
- var range = node.typeParameters || jsdocTypeParameters && ts.firstOrUndefined(jsdocTypeParameters);
- if (range) {
- var pos = range.pos === range.end ? range.pos : ts.skipTrivia(ts.getSourceFileOfNode(node).text, range.pos);
- return grammarErrorAtPos(node, pos, range.end - pos, ts.Diagnostics.Type_parameters_cannot_appear_on_a_constructor_declaration);
- }
- }
- function checkGrammarConstructorTypeAnnotation(node) {
- var type = ts.getEffectiveReturnTypeNode(node);
- if (type) {
- return grammarErrorOnNode(type, ts.Diagnostics.Type_annotation_cannot_appear_on_a_constructor_declaration);
- }
- }
- function checkGrammarProperty(node) {
- if (ts.isClassLike(node.parent)) {
- if (ts.isStringLiteral(node.name) && node.name.text === "constructor") {
- return grammarErrorOnNode(node.name, ts.Diagnostics.Classes_may_not_have_a_field_named_constructor);
- }
- if (checkGrammarForInvalidDynamicName(node.name, ts.Diagnostics.A_computed_property_name_in_a_class_property_declaration_must_refer_to_an_expression_whose_type_is_a_literal_type_or_a_unique_symbol_type)) {
- return true;
- }
- if (languageVersion < 2 /* ES2015 */ && ts.isPrivateIdentifier(node.name)) {
- return grammarErrorOnNode(node.name, ts.Diagnostics.Private_identifiers_are_only_available_when_targeting_ECMAScript_2015_and_higher);
- }
- }
- else if (node.parent.kind === 246 /* InterfaceDeclaration */) {
- if (checkGrammarForInvalidDynamicName(node.name, ts.Diagnostics.A_computed_property_name_in_an_interface_must_refer_to_an_expression_whose_type_is_a_literal_type_or_a_unique_symbol_type)) {
- return true;
- }
- if (node.initializer) {
- return grammarErrorOnNode(node.initializer, ts.Diagnostics.An_interface_property_cannot_have_an_initializer);
- }
- }
- else if (node.parent.kind === 173 /* TypeLiteral */) {
- if (checkGrammarForInvalidDynamicName(node.name, ts.Diagnostics.A_computed_property_name_in_a_type_literal_must_refer_to_an_expression_whose_type_is_a_literal_type_or_a_unique_symbol_type)) {
- return true;
- }
- if (node.initializer) {
- return grammarErrorOnNode(node.initializer, ts.Diagnostics.A_type_literal_property_cannot_have_an_initializer);
- }
- }
- if (node.flags & 8388608 /* Ambient */) {
- checkAmbientInitializer(node);
- }
- if (ts.isPropertyDeclaration(node) && node.exclamationToken && (!ts.isClassLike(node.parent) || !node.type || node.initializer ||
- node.flags & 8388608 /* Ambient */ || ts.hasModifier(node, 32 /* Static */ | 128 /* Abstract */))) {
- return grammarErrorOnNode(node.exclamationToken, ts.Diagnostics.A_definite_assignment_assertion_is_not_permitted_in_this_context);
- }
- }
- function checkGrammarTopLevelElementForRequiredDeclareModifier(node) {
- // A declare modifier is required for any top level .d.ts declaration except export=, export default, export as namespace
- // interfaces and imports categories:
- //
- // DeclarationElement:
- // ExportAssignment
- // export_opt InterfaceDeclaration
- // export_opt TypeAliasDeclaration
- // export_opt ImportDeclaration
- // export_opt ExternalImportDeclaration
- // export_opt AmbientDeclaration
- //
- // TODO: The spec needs to be amended to reflect this grammar.
- if (node.kind === 246 /* InterfaceDeclaration */ ||
- node.kind === 247 /* TypeAliasDeclaration */ ||
- node.kind === 254 /* ImportDeclaration */ ||
- node.kind === 253 /* ImportEqualsDeclaration */ ||
- node.kind === 260 /* ExportDeclaration */ ||
- node.kind === 259 /* ExportAssignment */ ||
- node.kind === 252 /* NamespaceExportDeclaration */ ||
- ts.hasModifier(node, 2 /* Ambient */ | 1 /* Export */ | 512 /* Default */)) {
- return false;
- }
- return grammarErrorOnFirstToken(node, ts.Diagnostics.Top_level_declarations_in_d_ts_files_must_start_with_either_a_declare_or_export_modifier);
- }
- function checkGrammarTopLevelElementsForRequiredDeclareModifier(file) {
- for (var _i = 0, _a = file.statements; _i < _a.length; _i++) {
- var decl = _a[_i];
- if (ts.isDeclaration(decl) || decl.kind === 225 /* VariableStatement */) {
- if (checkGrammarTopLevelElementForRequiredDeclareModifier(decl)) {
- return true;
- }
- }
- }
- return false;
- }
- function checkGrammarSourceFile(node) {
- return !!(node.flags & 8388608 /* Ambient */) && checkGrammarTopLevelElementsForRequiredDeclareModifier(node);
- }
- function checkGrammarStatementInAmbientContext(node) {
- if (node.flags & 8388608 /* Ambient */) {
- // Find containing block which is either Block, ModuleBlock, SourceFile
- var links = getNodeLinks(node);
- if (!links.hasReportedStatementInAmbientContext && (ts.isFunctionLike(node.parent) || ts.isAccessor(node.parent))) {
- return getNodeLinks(node).hasReportedStatementInAmbientContext = grammarErrorOnFirstToken(node, ts.Diagnostics.An_implementation_cannot_be_declared_in_ambient_contexts);
- }
- // We are either parented by another statement, or some sort of block.
- // If we're in a block, we only want to really report an error once
- // to prevent noisiness. So use a bit on the block to indicate if
- // this has already been reported, and don't report if it has.
- //
- if (node.parent.kind === 223 /* Block */ || node.parent.kind === 250 /* ModuleBlock */ || node.parent.kind === 290 /* SourceFile */) {
- var links_2 = getNodeLinks(node.parent);
- // Check if the containing block ever report this error
- if (!links_2.hasReportedStatementInAmbientContext) {
- return links_2.hasReportedStatementInAmbientContext = grammarErrorOnFirstToken(node, ts.Diagnostics.Statements_are_not_allowed_in_ambient_contexts);
- }
- }
- else {
- // We must be parented by a statement. If so, there's no need
- // to report the error as our parent will have already done it.
- // Debug.assert(isStatement(node.parent));
- }
- }
- return false;
- }
- function checkGrammarNumericLiteral(node) {
- // Grammar checking
- if (node.numericLiteralFlags & 32 /* Octal */) {
- var diagnosticMessage = void 0;
- if (languageVersion >= 1 /* ES5 */) {
- diagnosticMessage = ts.Diagnostics.Octal_literals_are_not_available_when_targeting_ECMAScript_5_and_higher_Use_the_syntax_0;
- }
- else if (ts.isChildOfNodeWithKind(node, 187 /* LiteralType */)) {
- diagnosticMessage = ts.Diagnostics.Octal_literal_types_must_use_ES2015_syntax_Use_the_syntax_0;
- }
- else if (ts.isChildOfNodeWithKind(node, 284 /* EnumMember */)) {
- diagnosticMessage = ts.Diagnostics.Octal_literals_are_not_allowed_in_enums_members_initializer_Use_the_syntax_0;
- }
- if (diagnosticMessage) {
- var withMinus = ts.isPrefixUnaryExpression(node.parent) && node.parent.operator === 40 /* MinusToken */;
- var literal = (withMinus ? "-" : "") + "0o" + node.text;
- return grammarErrorOnNode(withMinus ? node.parent : node, diagnosticMessage, literal);
- }
- }
- // Realism (size) checking
- checkNumericLiteralValueSize(node);
- return false;
- }
- function checkNumericLiteralValueSize(node) {
- // Scientific notation (e.g. 2e54 and 1e00000000010) can't be converted to bigint
- // Literals with 15 or fewer characters aren't long enough to reach past 2^53 - 1
- // Fractional numbers (e.g. 9000000000000000.001) are inherently imprecise anyway
- if (node.numericLiteralFlags & 16 /* Scientific */ || node.text.length <= 15 || node.text.indexOf(".") !== -1) {
- return;
- }
- // We can't rely on the runtime to accurately store and compare extremely large numeric values
- // Even for internal use, we use getTextOfNode: https://github.com/microsoft/TypeScript/issues/33298
- // Thus, if the runtime claims a too-large number is lower than Number.MAX_SAFE_INTEGER,
- // it's likely addition operations on it will fail too
- var apparentValue = +ts.getTextOfNode(node);
- if (apparentValue <= Math.pow(2, 53) - 1 && apparentValue + 1 > apparentValue) {
- return;
- }
- addErrorOrSuggestion(/*isError*/ false, ts.createDiagnosticForNode(node, ts.Diagnostics.Numeric_literals_with_absolute_values_equal_to_2_53_or_greater_are_too_large_to_be_represented_accurately_as_integers));
- }
- function checkGrammarBigIntLiteral(node) {
- var literalType = ts.isLiteralTypeNode(node.parent) ||
- ts.isPrefixUnaryExpression(node.parent) && ts.isLiteralTypeNode(node.parent.parent);
- if (!literalType) {
- if (languageVersion < 7 /* ES2020 */) {
- if (grammarErrorOnNode(node, ts.Diagnostics.BigInt_literals_are_not_available_when_targeting_lower_than_ES2020)) {
- return true;
- }
- }
- }
- return false;
- }
- function grammarErrorAfterFirstToken(node, message, arg0, arg1, arg2) {
- var sourceFile = ts.getSourceFileOfNode(node);
- if (!hasParseDiagnostics(sourceFile)) {
- var span = ts.getSpanOfTokenAtPosition(sourceFile, node.pos);
- diagnostics.add(ts.createFileDiagnostic(sourceFile, ts.textSpanEnd(span), /*length*/ 0, message, arg0, arg1, arg2));
- return true;
- }
- return false;
- }
- function getAmbientModules() {
- if (!ambientModulesCache) {
- ambientModulesCache = [];
- globals.forEach(function (global, sym) {
- // No need to `unescapeLeadingUnderscores`, an escaped symbol is never an ambient module.
- if (ambientModuleSymbolRegex.test(sym)) {
- ambientModulesCache.push(global);
- }
- });
- }
- return ambientModulesCache;
- }
- function checkGrammarImportClause(node) {
- if (node.isTypeOnly && node.name && node.namedBindings) {
- return grammarErrorOnNode(node, ts.Diagnostics.A_type_only_import_can_specify_a_default_import_or_named_bindings_but_not_both);
- }
- return false;
- }
- function checkGrammarImportCallExpression(node) {
- if (moduleKind === ts.ModuleKind.ES2015) {
- return grammarErrorOnNode(node, ts.Diagnostics.Dynamic_imports_are_only_supported_when_the_module_flag_is_set_to_es2020_esnext_commonjs_amd_system_or_umd);
- }
- if (node.typeArguments) {
- return grammarErrorOnNode(node, ts.Diagnostics.Dynamic_import_cannot_have_type_arguments);
- }
- var nodeArguments = node.arguments;
- if (nodeArguments.length !== 1) {
- return grammarErrorOnNode(node, ts.Diagnostics.Dynamic_import_must_have_one_specifier_as_an_argument);
- }
- checkGrammarForDisallowedTrailingComma(nodeArguments);
- // see: parseArgumentOrArrayLiteralElement...we use this function which parse arguments of callExpression to parse specifier for dynamic import.
- // parseArgumentOrArrayLiteralElement allows spread element to be in an argument list which is not allowed as specifier in dynamic import.
- if (ts.isSpreadElement(nodeArguments[0])) {
- return grammarErrorOnNode(nodeArguments[0], ts.Diagnostics.Specifier_of_dynamic_import_cannot_be_spread_element);
- }
- return false;
- }
- function findMatchingTypeReferenceOrTypeAliasReference(source, unionTarget) {
- var sourceObjectFlags = ts.getObjectFlags(source);
- if (sourceObjectFlags & (4 /* Reference */ | 16 /* Anonymous */) && unionTarget.flags & 1048576 /* Union */) {
- return ts.find(unionTarget.types, function (target) {
- if (target.flags & 524288 /* Object */) {
- var overlapObjFlags = sourceObjectFlags & ts.getObjectFlags(target);
- if (overlapObjFlags & 4 /* Reference */) {
- return source.target === target.target;
- }
- if (overlapObjFlags & 16 /* Anonymous */) {
- return !!source.aliasSymbol && source.aliasSymbol === target.aliasSymbol;
- }
- }
- return false;
- });
- }
- }
- function findBestTypeForObjectLiteral(source, unionTarget) {
- if (ts.getObjectFlags(source) & 128 /* ObjectLiteral */ && forEachType(unionTarget, isArrayLikeType)) {
- return ts.find(unionTarget.types, function (t) { return !isArrayLikeType(t); });
- }
- }
- function findBestTypeForInvokable(source, unionTarget) {
- var signatureKind = 0 /* Call */;
- var hasSignatures = getSignaturesOfType(source, signatureKind).length > 0 ||
- (signatureKind = 1 /* Construct */, getSignaturesOfType(source, signatureKind).length > 0);
- if (hasSignatures) {
- return ts.find(unionTarget.types, function (t) { return getSignaturesOfType(t, signatureKind).length > 0; });
- }
- }
- function findMostOverlappyType(source, unionTarget) {
- var bestMatch;
- var matchingCount = 0;
- for (var _i = 0, _a = unionTarget.types; _i < _a.length; _i++) {
- var target = _a[_i];
- var overlap = getIntersectionType([getIndexType(source), getIndexType(target)]);
- if (overlap.flags & 4194304 /* Index */) {
- // perfect overlap of keys
- bestMatch = target;
- matchingCount = Infinity;
- }
- else if (overlap.flags & 1048576 /* Union */) {
- // We only want to account for literal types otherwise.
- // If we have a union of index types, it seems likely that we
- // needed to elaborate between two generic mapped types anyway.
- var len = ts.length(ts.filter(overlap.types, isUnitType));
- if (len >= matchingCount) {
- bestMatch = target;
- matchingCount = len;
- }
- }
- else if (isUnitType(overlap) && 1 >= matchingCount) {
- bestMatch = target;
- matchingCount = 1;
- }
- }
- return bestMatch;
- }
- function filterPrimitivesIfContainsNonPrimitive(type) {
- if (maybeTypeOfKind(type, 67108864 /* NonPrimitive */)) {
- var result = filterType(type, function (t) { return !(t.flags & 131068 /* Primitive */); });
- if (!(result.flags & 131072 /* Never */)) {
- return result;
- }
- }
- return type;
- }
- // Keep this up-to-date with the same logic within `getApparentTypeOfContextualType`, since they should behave similarly
- function findMatchingDiscriminantType(source, target, isRelatedTo, skipPartial) {
- if (target.flags & 1048576 /* Union */ && source.flags & (2097152 /* Intersection */ | 524288 /* Object */)) {
- var sourceProperties = getPropertiesOfType(source);
- if (sourceProperties) {
- var sourcePropertiesFiltered = findDiscriminantProperties(sourceProperties, target);
- if (sourcePropertiesFiltered) {
- return discriminateTypeByDiscriminableItems(target, ts.map(sourcePropertiesFiltered, function (p) { return [function () { return getTypeOfSymbol(p); }, p.escapedName]; }), isRelatedTo, /*defaultValue*/ undefined, skipPartial);
- }
- }
- }
- return undefined;
- }
- }
- ts.createTypeChecker = createTypeChecker;
- function isNotAccessor(declaration) {
- // Accessors check for their own matching duplicates, and in contexts where they are valid, there are already duplicate identifier checks
- return !ts.isAccessor(declaration);
- }
- function isNotOverload(declaration) {
- return (declaration.kind !== 244 /* FunctionDeclaration */ && declaration.kind !== 161 /* MethodDeclaration */) ||
- !!declaration.body;
- }
- /** Like 'isDeclarationName', but returns true for LHS of `import { x as y }` or `export { x as y }`. */
- function isDeclarationNameOrImportPropertyName(name) {
- switch (name.parent.kind) {
- case 258 /* ImportSpecifier */:
- case 263 /* ExportSpecifier */:
- return ts.isIdentifier(name);
- default:
- return ts.isDeclarationName(name);
- }
- }
- function isSomeImportDeclaration(decl) {
- switch (decl.kind) {
- case 255 /* ImportClause */: // For default import
- case 253 /* ImportEqualsDeclaration */:
- case 256 /* NamespaceImport */:
- case 258 /* ImportSpecifier */: // For rename import `x as y`
- return true;
- case 75 /* Identifier */:
- // For regular import, `decl` is an Identifier under the ImportSpecifier.
- return decl.parent.kind === 258 /* ImportSpecifier */;
- default:
- return false;
- }
- }
- var JsxNames;
- (function (JsxNames) {
- JsxNames.JSX = "JSX";
- JsxNames.IntrinsicElements = "IntrinsicElements";
- JsxNames.ElementClass = "ElementClass";
- JsxNames.ElementAttributesPropertyNameContainer = "ElementAttributesProperty"; // TODO: Deprecate and remove support
- JsxNames.ElementChildrenAttributeNameContainer = "ElementChildrenAttribute";
- JsxNames.Element = "Element";
- JsxNames.IntrinsicAttributes = "IntrinsicAttributes";
- JsxNames.IntrinsicClassAttributes = "IntrinsicClassAttributes";
- JsxNames.LibraryManagedAttributes = "LibraryManagedAttributes";
- })(JsxNames || (JsxNames = {}));
- function getIterationTypesKeyFromIterationTypeKind(typeKind) {
- switch (typeKind) {
- case 0 /* Yield */: return "yieldType";
- case 1 /* Return */: return "returnType";
- case 2 /* Next */: return "nextType";
- }
- }
- function signatureHasRestParameter(s) {
- return !!(s.flags & 1 /* HasRestParameter */);
- }
- ts.signatureHasRestParameter = signatureHasRestParameter;
- function signatureHasLiteralTypes(s) {
- return !!(s.flags & 2 /* HasLiteralTypes */);
- }
- ts.signatureHasLiteralTypes = signatureHasLiteralTypes;
-})(ts || (ts = {}));
-var ts;
-(function (ts) {
- function createSynthesizedNode(kind) {
- var node = ts.createNode(kind, -1, -1);
- node.flags |= 8 /* Synthesized */;
- return node;
- }
- /* @internal */
- function updateNode(updated, original) {
- if (updated !== original) {
- setOriginalNode(updated, original);
- setTextRange(updated, original);
- ts.aggregateTransformFlags(updated);
- }
- return updated;
- }
- ts.updateNode = updateNode;
- /**
- * Make `elements` into a `NodeArray<T>`. If `elements` is `undefined`, returns an empty `NodeArray<T>`.
- */
- function createNodeArray(elements, hasTrailingComma) {
- if (!elements || elements === ts.emptyArray) {
- elements = [];
- }
- else if (ts.isNodeArray(elements)) {
- return elements;
- }
- var array = elements;
- array.pos = -1;
- array.end = -1;
- array.hasTrailingComma = hasTrailingComma;
- return array;
- }
- ts.createNodeArray = createNodeArray;
- /**
- * Creates a shallow, memberwise clone of a node with no source map location.
- */
- /* @internal */
- function getSynthesizedClone(node) {
- // We don't use "clone" from core.ts here, as we need to preserve the prototype chain of
- // the original node. We also need to exclude specific properties and only include own-
- // properties (to skip members already defined on the shared prototype).
- if (node === undefined) {
- return node;
- }
- var clone = createSynthesizedNode(node.kind);
- clone.flags |= node.flags;
- setOriginalNode(clone, node);
- for (var key in node) {
- if (clone.hasOwnProperty(key) || !node.hasOwnProperty(key)) {
- continue;
- }
- clone[key] = node[key];
- }
- return clone;
- }
- ts.getSynthesizedClone = getSynthesizedClone;
- function createLiteral(value, isSingleQuote) {
- if (typeof value === "number") {
- return createNumericLiteral(value + "");
- }
- // eslint-disable-next-line no-in-operator
- if (typeof value === "object" && "base10Value" in value) { // PseudoBigInt
- return createBigIntLiteral(ts.pseudoBigIntToString(value) + "n");
- }
- if (typeof value === "boolean") {
- return value ? createTrue() : createFalse();
- }
- if (ts.isString(value)) {
- var res = createStringLiteral(value);
- if (isSingleQuote)
- res.singleQuote = true;
- return res;
- }
- return createLiteralFromNode(value);
- }
- ts.createLiteral = createLiteral;
- function createNumericLiteral(value, numericLiteralFlags) {
- if (numericLiteralFlags === void 0) { numericLiteralFlags = 0 /* None */; }
- var node = createSynthesizedNode(8 /* NumericLiteral */);
- node.text = value;
- node.numericLiteralFlags = numericLiteralFlags;
- return node;
- }
- ts.createNumericLiteral = createNumericLiteral;
- function createBigIntLiteral(value) {
- var node = createSynthesizedNode(9 /* BigIntLiteral */);
- node.text = value;
- return node;
- }
- ts.createBigIntLiteral = createBigIntLiteral;
- function createStringLiteral(text) {
- var node = createSynthesizedNode(10 /* StringLiteral */);
- node.text = text;
- return node;
- }
- ts.createStringLiteral = createStringLiteral;
- function createRegularExpressionLiteral(text) {
- var node = createSynthesizedNode(13 /* RegularExpressionLiteral */);
- node.text = text;
- return node;
- }
- ts.createRegularExpressionLiteral = createRegularExpressionLiteral;
- function createLiteralFromNode(sourceNode) {
- var node = createStringLiteral(ts.getTextOfIdentifierOrLiteral(sourceNode));
- node.textSourceNode = sourceNode;
- return node;
- }
- function createIdentifier(text, typeArguments) {
- var node = createSynthesizedNode(75 /* Identifier */);
- node.escapedText = ts.escapeLeadingUnderscores(text);
- node.originalKeywordKind = text ? ts.stringToToken(text) : 0 /* Unknown */;
- node.autoGenerateFlags = 0 /* None */;
- node.autoGenerateId = 0;
- if (typeArguments) {
- node.typeArguments = createNodeArray(typeArguments);
- }
- return node;
- }
- ts.createIdentifier = createIdentifier;
- function updateIdentifier(node, typeArguments) {
- return node.typeArguments !== typeArguments
- ? updateNode(createIdentifier(ts.idText(node), typeArguments), node)
- : node;
- }
- ts.updateIdentifier = updateIdentifier;
- var nextAutoGenerateId = 0;
- function createTempVariable(recordTempVariable, reservedInNestedScopes) {
- var name = createIdentifier("");
- name.autoGenerateFlags = 1 /* Auto */;
- name.autoGenerateId = nextAutoGenerateId;
- nextAutoGenerateId++;
- if (recordTempVariable) {
- recordTempVariable(name);
- }
- if (reservedInNestedScopes) {
- name.autoGenerateFlags |= 8 /* ReservedInNestedScopes */;
- }
- return name;
- }
- ts.createTempVariable = createTempVariable;
- /** Create a unique temporary variable for use in a loop. */
- function createLoopVariable() {
- var name = createIdentifier("");
- name.autoGenerateFlags = 2 /* Loop */;
- name.autoGenerateId = nextAutoGenerateId;
- nextAutoGenerateId++;
- return name;
- }
- ts.createLoopVariable = createLoopVariable;
- /** Create a unique name based on the supplied text. */
- function createUniqueName(text) {
- var name = createIdentifier(text);
- name.autoGenerateFlags = 3 /* Unique */;
- name.autoGenerateId = nextAutoGenerateId;
- nextAutoGenerateId++;
- return name;
- }
- ts.createUniqueName = createUniqueName;
- function createOptimisticUniqueName(text) {
- var name = createIdentifier(text);
- name.autoGenerateFlags = 3 /* Unique */ | 16 /* Optimistic */;
- name.autoGenerateId = nextAutoGenerateId;
- nextAutoGenerateId++;
- return name;
- }
- ts.createOptimisticUniqueName = createOptimisticUniqueName;
- /** Create a unique name based on the supplied text. This does not consider names injected by the transformer. */
- function createFileLevelUniqueName(text) {
- var name = createOptimisticUniqueName(text);
- name.autoGenerateFlags |= 32 /* FileLevel */;
- return name;
- }
- ts.createFileLevelUniqueName = createFileLevelUniqueName;
- function getGeneratedNameForNode(node, flags) {
- var name = createIdentifier(node && ts.isIdentifier(node) ? ts.idText(node) : "");
- name.autoGenerateFlags = 4 /* Node */ | flags;
- name.autoGenerateId = nextAutoGenerateId;
- name.original = node;
- nextAutoGenerateId++;
- return name;
- }
- ts.getGeneratedNameForNode = getGeneratedNameForNode;
- // Private Identifiers
- function createPrivateIdentifier(text) {
- if (text[0] !== "#") {
- ts.Debug.fail("First character of private identifier must be #: " + text);
- }
- var node = createSynthesizedNode(76 /* PrivateIdentifier */);
- node.escapedText = ts.escapeLeadingUnderscores(text);
- return node;
- }
- ts.createPrivateIdentifier = createPrivateIdentifier;
- // Punctuation
- function createToken(token) {
- return createSynthesizedNode(token);
- }
- ts.createToken = createToken;
- // Reserved words
- function createSuper() {
- return createSynthesizedNode(102 /* SuperKeyword */);
- }
- ts.createSuper = createSuper;
- function createThis() {
- return createSynthesizedNode(104 /* ThisKeyword */);
- }
- ts.createThis = createThis;
- function createNull() {
- return createSynthesizedNode(100 /* NullKeyword */);
- }
- ts.createNull = createNull;
- function createTrue() {
- return createSynthesizedNode(106 /* TrueKeyword */);
- }
- ts.createTrue = createTrue;
- function createFalse() {
- return createSynthesizedNode(91 /* FalseKeyword */);
- }
- ts.createFalse = createFalse;
- // Modifiers
- function createModifier(kind) {
- return createToken(kind);
- }
- ts.createModifier = createModifier;
- function createModifiersFromModifierFlags(flags) {
- var result = [];
- if (flags & 1 /* Export */) {
- result.push(createModifier(89 /* ExportKeyword */));
- }
- if (flags & 2 /* Ambient */) {
- result.push(createModifier(130 /* DeclareKeyword */));
- }
- if (flags & 512 /* Default */) {
- result.push(createModifier(84 /* DefaultKeyword */));
- }
- if (flags & 2048 /* Const */) {
- result.push(createModifier(81 /* ConstKeyword */));
- }
- if (flags & 4 /* Public */) {
- result.push(createModifier(119 /* PublicKeyword */));
- }
- if (flags & 8 /* Private */) {
- result.push(createModifier(117 /* PrivateKeyword */));
- }
- if (flags & 16 /* Protected */) {
- result.push(createModifier(118 /* ProtectedKeyword */));
- }
- if (flags & 128 /* Abstract */) {
- result.push(createModifier(122 /* AbstractKeyword */));
- }
- if (flags & 32 /* Static */) {
- result.push(createModifier(120 /* StaticKeyword */));
- }
- if (flags & 64 /* Readonly */) {
- result.push(createModifier(138 /* ReadonlyKeyword */));
- }
- if (flags & 256 /* Async */) {
- result.push(createModifier(126 /* AsyncKeyword */));
- }
- return result;
- }
- ts.createModifiersFromModifierFlags = createModifiersFromModifierFlags;
- // Names
- function createQualifiedName(left, right) {
- var node = createSynthesizedNode(153 /* QualifiedName */);
- node.left = left;
- node.right = asName(right);
- return node;
- }
- ts.createQualifiedName = createQualifiedName;
- function updateQualifiedName(node, left, right) {
- return node.left !== left
- || node.right !== right
- ? updateNode(createQualifiedName(left, right), node)
- : node;
- }
- ts.updateQualifiedName = updateQualifiedName;
- function parenthesizeForComputedName(expression) {
- return ts.isCommaSequence(expression)
- ? createParen(expression)
- : expression;
- }
- function createComputedPropertyName(expression) {
- var node = createSynthesizedNode(154 /* ComputedPropertyName */);
- node.expression = parenthesizeForComputedName(expression);
- return node;
- }
- ts.createComputedPropertyName = createComputedPropertyName;
- function updateComputedPropertyName(node, expression) {
- return node.expression !== expression
- ? updateNode(createComputedPropertyName(expression), node)
- : node;
- }
- ts.updateComputedPropertyName = updateComputedPropertyName;
- // Signature elements
- function createTypeParameterDeclaration(name, constraint, defaultType) {
- var node = createSynthesizedNode(155 /* TypeParameter */);
- node.name = asName(name);
- node.constraint = constraint;
- node.default = defaultType;
- return node;
- }
- ts.createTypeParameterDeclaration = createTypeParameterDeclaration;
- function updateTypeParameterDeclaration(node, name, constraint, defaultType) {
- return node.name !== name
- || node.constraint !== constraint
- || node.default !== defaultType
- ? updateNode(createTypeParameterDeclaration(name, constraint, defaultType), node)
- : node;
- }
- ts.updateTypeParameterDeclaration = updateTypeParameterDeclaration;
- function createParameter(decorators, modifiers, dotDotDotToken, name, questionToken, type, initializer) {
- var node = createSynthesizedNode(156 /* Parameter */);
- node.decorators = asNodeArray(decorators);
- node.modifiers = asNodeArray(modifiers);
- node.dotDotDotToken = dotDotDotToken;
- node.name = asName(name);
- node.questionToken = questionToken;
- node.type = type;
- node.initializer = initializer ? ts.parenthesizeExpressionForList(initializer) : undefined;
- return node;
- }
- ts.createParameter = createParameter;
- function updateParameter(node, decorators, modifiers, dotDotDotToken, name, questionToken, type, initializer) {
- return node.decorators !== decorators
- || node.modifiers !== modifiers
- || node.dotDotDotToken !== dotDotDotToken
- || node.name !== name
- || node.questionToken !== questionToken
- || node.type !== type
- || node.initializer !== initializer
- ? updateNode(createParameter(decorators, modifiers, dotDotDotToken, name, questionToken, type, initializer), node)
- : node;
- }
- ts.updateParameter = updateParameter;
- function createDecorator(expression) {
- var node = createSynthesizedNode(157 /* Decorator */);
- node.expression = ts.parenthesizeForAccess(expression);
- return node;
- }
- ts.createDecorator = createDecorator;
- function updateDecorator(node, expression) {
- return node.expression !== expression
- ? updateNode(createDecorator(expression), node)
- : node;
- }
- ts.updateDecorator = updateDecorator;
- // Type Elements
- function createPropertySignature(modifiers, name, questionToken, type, initializer) {
- var node = createSynthesizedNode(158 /* PropertySignature */);
- node.modifiers = asNodeArray(modifiers);
- node.name = asName(name);
- node.questionToken = questionToken;
- node.type = type;
- node.initializer = initializer;
- return node;
- }
- ts.createPropertySignature = createPropertySignature;
- function updatePropertySignature(node, modifiers, name, questionToken, type, initializer) {
- return node.modifiers !== modifiers
- || node.name !== name
- || node.questionToken !== questionToken
- || node.type !== type
- || node.initializer !== initializer
- ? updateNode(createPropertySignature(modifiers, name, questionToken, type, initializer), node)
- : node;
- }
- ts.updatePropertySignature = updatePropertySignature;
- function createProperty(decorators, modifiers, name, questionOrExclamationToken, type, initializer) {
- var node = createSynthesizedNode(159 /* PropertyDeclaration */);
- node.decorators = asNodeArray(decorators);
- node.modifiers = asNodeArray(modifiers);
- node.name = asName(name);
- node.questionToken = questionOrExclamationToken !== undefined && questionOrExclamationToken.kind === 57 /* QuestionToken */ ? questionOrExclamationToken : undefined;
- node.exclamationToken = questionOrExclamationToken !== undefined && questionOrExclamationToken.kind === 53 /* ExclamationToken */ ? questionOrExclamationToken : undefined;
- node.type = type;
- node.initializer = initializer;
- return node;
- }
- ts.createProperty = createProperty;
- function updateProperty(node, decorators, modifiers, name, questionOrExclamationToken, type, initializer) {
- return node.decorators !== decorators
- || node.modifiers !== modifiers
- || node.name !== name
- || node.questionToken !== (questionOrExclamationToken !== undefined && questionOrExclamationToken.kind === 57 /* QuestionToken */ ? questionOrExclamationToken : undefined)
- || node.exclamationToken !== (questionOrExclamationToken !== undefined && questionOrExclamationToken.kind === 53 /* ExclamationToken */ ? questionOrExclamationToken : undefined)
- || node.type !== type
- || node.initializer !== initializer
- ? updateNode(createProperty(decorators, modifiers, name, questionOrExclamationToken, type, initializer), node)
- : node;
- }
- ts.updateProperty = updateProperty;
- function createMethodSignature(typeParameters, parameters, type, name, questionToken) {
- var node = createSignatureDeclaration(160 /* MethodSignature */, typeParameters, parameters, type);
- node.name = asName(name);
- node.questionToken = questionToken;
- return node;
- }
- ts.createMethodSignature = createMethodSignature;
- function updateMethodSignature(node, typeParameters, parameters, type, name, questionToken) {
- return node.typeParameters !== typeParameters
- || node.parameters !== parameters
- || node.type !== type
- || node.name !== name
- || node.questionToken !== questionToken
- ? updateNode(createMethodSignature(typeParameters, parameters, type, name, questionToken), node)
- : node;
- }
- ts.updateMethodSignature = updateMethodSignature;
- function createMethod(decorators, modifiers, asteriskToken, name, questionToken, typeParameters, parameters, type, body) {
- var node = createSynthesizedNode(161 /* MethodDeclaration */);
- node.decorators = asNodeArray(decorators);
- node.modifiers = asNodeArray(modifiers);
- node.asteriskToken = asteriskToken;
- node.name = asName(name);
- node.questionToken = questionToken;
- node.typeParameters = asNodeArray(typeParameters);
- node.parameters = createNodeArray(parameters);
- node.type = type;
- node.body = body;
- return node;
- }
- ts.createMethod = createMethod;
- function createMethodCall(object, methodName, argumentsList) {
- return createCall(createPropertyAccess(object, asName(methodName)),
- /*typeArguments*/ undefined, argumentsList);
- }
- function createGlobalMethodCall(globalObjectName, methodName, argumentsList) {
- return createMethodCall(createIdentifier(globalObjectName), methodName, argumentsList);
- }
- /* @internal */
- function createObjectDefinePropertyCall(target, propertyName, attributes) {
- return createGlobalMethodCall("Object", "defineProperty", [target, asExpression(propertyName), attributes]);
- }
- ts.createObjectDefinePropertyCall = createObjectDefinePropertyCall;
- function tryAddPropertyAssignment(properties, propertyName, expression) {
- if (expression) {
- properties.push(createPropertyAssignment(propertyName, expression));
- return true;
- }
- return false;
- }
- /* @internal */
- function createPropertyDescriptor(attributes, singleLine) {
- var properties = [];
- tryAddPropertyAssignment(properties, "enumerable", asExpression(attributes.enumerable));
- tryAddPropertyAssignment(properties, "configurable", asExpression(attributes.configurable));
- var isData = tryAddPropertyAssignment(properties, "writable", asExpression(attributes.writable));
- isData = tryAddPropertyAssignment(properties, "value", attributes.value) || isData;
- var isAccessor = tryAddPropertyAssignment(properties, "get", attributes.get);
- isAccessor = tryAddPropertyAssignment(properties, "set", attributes.set) || isAccessor;
- ts.Debug.assert(!(isData && isAccessor), "A PropertyDescriptor may not be both an accessor descriptor and a data descriptor.");
- return createObjectLiteral(properties, !singleLine);
- }
- ts.createPropertyDescriptor = createPropertyDescriptor;
- function updateMethod(node, decorators, modifiers, asteriskToken, name, questionToken, typeParameters, parameters, type, body) {
- return node.decorators !== decorators
- || node.modifiers !== modifiers
- || node.asteriskToken !== asteriskToken
- || node.name !== name
- || node.questionToken !== questionToken
- || node.typeParameters !== typeParameters
- || node.parameters !== parameters
- || node.type !== type
- || node.body !== body
- ? updateNode(createMethod(decorators, modifiers, asteriskToken, name, questionToken, typeParameters, parameters, type, body), node)
- : node;
- }
- ts.updateMethod = updateMethod;
- function createConstructor(decorators, modifiers, parameters, body) {
- var node = createSynthesizedNode(162 /* Constructor */);
- node.decorators = asNodeArray(decorators);
- node.modifiers = asNodeArray(modifiers);
- node.typeParameters = undefined;
- node.parameters = createNodeArray(parameters);
- node.type = undefined;
- node.body = body;
- return node;
- }
- ts.createConstructor = createConstructor;
- function updateConstructor(node, decorators, modifiers, parameters, body) {
- return node.decorators !== decorators
- || node.modifiers !== modifiers
- || node.parameters !== parameters
- || node.body !== body
- ? updateNode(createConstructor(decorators, modifiers, parameters, body), node)
- : node;
- }
- ts.updateConstructor = updateConstructor;
- function createGetAccessor(decorators, modifiers, name, parameters, type, body) {
- var node = createSynthesizedNode(163 /* GetAccessor */);
- node.decorators = asNodeArray(decorators);
- node.modifiers = asNodeArray(modifiers);
- node.name = asName(name);
- node.typeParameters = undefined;
- node.parameters = createNodeArray(parameters);
- node.type = type;
- node.body = body;
- return node;
- }
- ts.createGetAccessor = createGetAccessor;
- function updateGetAccessor(node, decorators, modifiers, name, parameters, type, body) {
- return node.decorators !== decorators
- || node.modifiers !== modifiers
- || node.name !== name
- || node.parameters !== parameters
- || node.type !== type
- || node.body !== body
- ? updateNode(createGetAccessor(decorators, modifiers, name, parameters, type, body), node)
- : node;
- }
- ts.updateGetAccessor = updateGetAccessor;
- function createSetAccessor(decorators, modifiers, name, parameters, body) {
- var node = createSynthesizedNode(164 /* SetAccessor */);
- node.decorators = asNodeArray(decorators);
- node.modifiers = asNodeArray(modifiers);
- node.name = asName(name);
- node.typeParameters = undefined;
- node.parameters = createNodeArray(parameters);
- node.body = body;
- return node;
- }
- ts.createSetAccessor = createSetAccessor;
- function updateSetAccessor(node, decorators, modifiers, name, parameters, body) {
- return node.decorators !== decorators
- || node.modifiers !== modifiers
- || node.name !== name
- || node.parameters !== parameters
- || node.body !== body
- ? updateNode(createSetAccessor(decorators, modifiers, name, parameters, body), node)
- : node;
- }
- ts.updateSetAccessor = updateSetAccessor;
- function createCallSignature(typeParameters, parameters, type) {
- return createSignatureDeclaration(165 /* CallSignature */, typeParameters, parameters, type);
- }
- ts.createCallSignature = createCallSignature;
- function updateCallSignature(node, typeParameters, parameters, type) {
- return updateSignatureDeclaration(node, typeParameters, parameters, type);
- }
- ts.updateCallSignature = updateCallSignature;
- function createConstructSignature(typeParameters, parameters, type) {
- return createSignatureDeclaration(166 /* ConstructSignature */, typeParameters, parameters, type);
- }
- ts.createConstructSignature = createConstructSignature;
- function updateConstructSignature(node, typeParameters, parameters, type) {
- return updateSignatureDeclaration(node, typeParameters, parameters, type);
- }
- ts.updateConstructSignature = updateConstructSignature;
- function createIndexSignature(decorators, modifiers, parameters, type) {
- var node = createSynthesizedNode(167 /* IndexSignature */);
- node.decorators = asNodeArray(decorators);
- node.modifiers = asNodeArray(modifiers);
- node.parameters = createNodeArray(parameters);
- node.type = type;
- return node;
- }
- ts.createIndexSignature = createIndexSignature;
- function updateIndexSignature(node, decorators, modifiers, parameters, type) {
- return node.parameters !== parameters
- || node.type !== type
- || node.decorators !== decorators
- || node.modifiers !== modifiers
- ? updateNode(createIndexSignature(decorators, modifiers, parameters, type), node)
- : node;
- }
- ts.updateIndexSignature = updateIndexSignature;
- /* @internal */
- function createSignatureDeclaration(kind, typeParameters, parameters, type, typeArguments) {
- var node = createSynthesizedNode(kind);
- node.typeParameters = asNodeArray(typeParameters);
- node.parameters = asNodeArray(parameters);
- node.type = type;
- node.typeArguments = asNodeArray(typeArguments);
- return node;
- }
- ts.createSignatureDeclaration = createSignatureDeclaration;
- function updateSignatureDeclaration(node, typeParameters, parameters, type) {
- return node.typeParameters !== typeParameters
- || node.parameters !== parameters
- || node.type !== type
- ? updateNode(createSignatureDeclaration(node.kind, typeParameters, parameters, type), node)
- : node;
- }
- // Types
- function createKeywordTypeNode(kind) {
- return createSynthesizedNode(kind);
- }
- ts.createKeywordTypeNode = createKeywordTypeNode;
- function createTypePredicateNode(parameterName, type) {
- return createTypePredicateNodeWithModifier(/*assertsModifier*/ undefined, parameterName, type);
- }
- ts.createTypePredicateNode = createTypePredicateNode;
- function createTypePredicateNodeWithModifier(assertsModifier, parameterName, type) {
- var node = createSynthesizedNode(168 /* TypePredicate */);
- node.assertsModifier = assertsModifier;
- node.parameterName = asName(parameterName);
- node.type = type;
- return node;
- }
- ts.createTypePredicateNodeWithModifier = createTypePredicateNodeWithModifier;
- function updateTypePredicateNode(node, parameterName, type) {
- return updateTypePredicateNodeWithModifier(node, node.assertsModifier, parameterName, type);
- }
- ts.updateTypePredicateNode = updateTypePredicateNode;
- function updateTypePredicateNodeWithModifier(node, assertsModifier, parameterName, type) {
- return node.assertsModifier !== assertsModifier
- || node.parameterName !== parameterName
- || node.type !== type
- ? updateNode(createTypePredicateNodeWithModifier(assertsModifier, parameterName, type), node)
- : node;
- }
- ts.updateTypePredicateNodeWithModifier = updateTypePredicateNodeWithModifier;
- function createTypeReferenceNode(typeName, typeArguments) {
- var node = createSynthesizedNode(169 /* TypeReference */);
- node.typeName = asName(typeName);
- node.typeArguments = typeArguments && ts.parenthesizeTypeParameters(typeArguments);
- return node;
- }
- ts.createTypeReferenceNode = createTypeReferenceNode;
- function updateTypeReferenceNode(node, typeName, typeArguments) {
- return node.typeName !== typeName
- || node.typeArguments !== typeArguments
- ? updateNode(createTypeReferenceNode(typeName, typeArguments), node)
- : node;
- }
- ts.updateTypeReferenceNode = updateTypeReferenceNode;
- function createFunctionTypeNode(typeParameters, parameters, type) {
- return createSignatureDeclaration(170 /* FunctionType */, typeParameters, parameters, type);
- }
- ts.createFunctionTypeNode = createFunctionTypeNode;
- function updateFunctionTypeNode(node, typeParameters, parameters, type) {
- return updateSignatureDeclaration(node, typeParameters, parameters, type);
- }
- ts.updateFunctionTypeNode = updateFunctionTypeNode;
- function createConstructorTypeNode(typeParameters, parameters, type) {
- return createSignatureDeclaration(171 /* ConstructorType */, typeParameters, parameters, type);
- }
- ts.createConstructorTypeNode = createConstructorTypeNode;
- function updateConstructorTypeNode(node, typeParameters, parameters, type) {
- return updateSignatureDeclaration(node, typeParameters, parameters, type);
- }
- ts.updateConstructorTypeNode = updateConstructorTypeNode;
- function createTypeQueryNode(exprName) {
- var node = createSynthesizedNode(172 /* TypeQuery */);
- node.exprName = exprName;
- return node;
- }
- ts.createTypeQueryNode = createTypeQueryNode;
- function updateTypeQueryNode(node, exprName) {
- return node.exprName !== exprName
- ? updateNode(createTypeQueryNode(exprName), node)
- : node;
- }
- ts.updateTypeQueryNode = updateTypeQueryNode;
- function createTypeLiteralNode(members) {
- var node = createSynthesizedNode(173 /* TypeLiteral */);
- node.members = createNodeArray(members);
- return node;
- }
- ts.createTypeLiteralNode = createTypeLiteralNode;
- function updateTypeLiteralNode(node, members) {
- return node.members !== members
- ? updateNode(createTypeLiteralNode(members), node)
- : node;
- }
- ts.updateTypeLiteralNode = updateTypeLiteralNode;
- function createArrayTypeNode(elementType) {
- var node = createSynthesizedNode(174 /* ArrayType */);
- node.elementType = ts.parenthesizeArrayTypeMember(elementType);
- return node;
- }
- ts.createArrayTypeNode = createArrayTypeNode;
- function updateArrayTypeNode(node, elementType) {
- return node.elementType !== elementType
- ? updateNode(createArrayTypeNode(elementType), node)
- : node;
- }
- ts.updateArrayTypeNode = updateArrayTypeNode;
- function createTupleTypeNode(elementTypes) {
- var node = createSynthesizedNode(175 /* TupleType */);
- node.elementTypes = createNodeArray(elementTypes);
- return node;
- }
- ts.createTupleTypeNode = createTupleTypeNode;
- function updateTupleTypeNode(node, elementTypes) {
- return node.elementTypes !== elementTypes
- ? updateNode(createTupleTypeNode(elementTypes), node)
- : node;
- }
- ts.updateTupleTypeNode = updateTupleTypeNode;
- function createOptionalTypeNode(type) {
- var node = createSynthesizedNode(176 /* OptionalType */);
- node.type = ts.parenthesizeArrayTypeMember(type);
- return node;
- }
- ts.createOptionalTypeNode = createOptionalTypeNode;
- function updateOptionalTypeNode(node, type) {
- return node.type !== type
- ? updateNode(createOptionalTypeNode(type), node)
- : node;
- }
- ts.updateOptionalTypeNode = updateOptionalTypeNode;
- function createRestTypeNode(type) {
- var node = createSynthesizedNode(177 /* RestType */);
- node.type = type;
- return node;
- }
- ts.createRestTypeNode = createRestTypeNode;
- function updateRestTypeNode(node, type) {
- return node.type !== type
- ? updateNode(createRestTypeNode(type), node)
- : node;
- }
- ts.updateRestTypeNode = updateRestTypeNode;
- function createUnionTypeNode(types) {
- return createUnionOrIntersectionTypeNode(178 /* UnionType */, types);
- }
- ts.createUnionTypeNode = createUnionTypeNode;
- function updateUnionTypeNode(node, types) {
- return updateUnionOrIntersectionTypeNode(node, types);
- }
- ts.updateUnionTypeNode = updateUnionTypeNode;
- function createIntersectionTypeNode(types) {
- return createUnionOrIntersectionTypeNode(179 /* IntersectionType */, types);
- }
- ts.createIntersectionTypeNode = createIntersectionTypeNode;
- function updateIntersectionTypeNode(node, types) {
- return updateUnionOrIntersectionTypeNode(node, types);
- }
- ts.updateIntersectionTypeNode = updateIntersectionTypeNode;
- function createUnionOrIntersectionTypeNode(kind, types) {
- var node = createSynthesizedNode(kind);
- node.types = ts.parenthesizeElementTypeMembers(types);
- return node;
- }
- ts.createUnionOrIntersectionTypeNode = createUnionOrIntersectionTypeNode;
- function updateUnionOrIntersectionTypeNode(node, types) {
- return node.types !== types
- ? updateNode(createUnionOrIntersectionTypeNode(node.kind, types), node)
- : node;
- }
- function createConditionalTypeNode(checkType, extendsType, trueType, falseType) {
- var node = createSynthesizedNode(180 /* ConditionalType */);
- node.checkType = ts.parenthesizeConditionalTypeMember(checkType);
- node.extendsType = ts.parenthesizeConditionalTypeMember(extendsType);
- node.trueType = trueType;
- node.falseType = falseType;
- return node;
- }
- ts.createConditionalTypeNode = createConditionalTypeNode;
- function updateConditionalTypeNode(node, checkType, extendsType, trueType, falseType) {
- return node.checkType !== checkType
- || node.extendsType !== extendsType
- || node.trueType !== trueType
- || node.falseType !== falseType
- ? updateNode(createConditionalTypeNode(checkType, extendsType, trueType, falseType), node)
- : node;
- }
- ts.updateConditionalTypeNode = updateConditionalTypeNode;
- function createInferTypeNode(typeParameter) {
- var node = createSynthesizedNode(181 /* InferType */);
- node.typeParameter = typeParameter;
- return node;
- }
- ts.createInferTypeNode = createInferTypeNode;
- function updateInferTypeNode(node, typeParameter) {
- return node.typeParameter !== typeParameter
- ? updateNode(createInferTypeNode(typeParameter), node)
- : node;
- }
- ts.updateInferTypeNode = updateInferTypeNode;
- function createImportTypeNode(argument, qualifier, typeArguments, isTypeOf) {
- var node = createSynthesizedNode(188 /* ImportType */);
- node.argument = argument;
- node.qualifier = qualifier;
- node.typeArguments = ts.parenthesizeTypeParameters(typeArguments);
- node.isTypeOf = isTypeOf;
- return node;
- }
- ts.createImportTypeNode = createImportTypeNode;
- function updateImportTypeNode(node, argument, qualifier, typeArguments, isTypeOf) {
- return node.argument !== argument
- || node.qualifier !== qualifier
- || node.typeArguments !== typeArguments
- || node.isTypeOf !== isTypeOf
- ? updateNode(createImportTypeNode(argument, qualifier, typeArguments, isTypeOf), node)
- : node;
- }
- ts.updateImportTypeNode = updateImportTypeNode;
- function createParenthesizedType(type) {
- var node = createSynthesizedNode(182 /* ParenthesizedType */);
- node.type = type;
- return node;
- }
- ts.createParenthesizedType = createParenthesizedType;
- function updateParenthesizedType(node, type) {
- return node.type !== type
- ? updateNode(createParenthesizedType(type), node)
- : node;
- }
- ts.updateParenthesizedType = updateParenthesizedType;
- function createThisTypeNode() {
- return createSynthesizedNode(183 /* ThisType */);
- }
- ts.createThisTypeNode = createThisTypeNode;
- function createTypeOperatorNode(operatorOrType, type) {
- var node = createSynthesizedNode(184 /* TypeOperator */);
- node.operator = typeof operatorOrType === "number" ? operatorOrType : 134 /* KeyOfKeyword */;
- node.type = ts.parenthesizeElementTypeMember(typeof operatorOrType === "number" ? type : operatorOrType);
- return node;
- }
- ts.createTypeOperatorNode = createTypeOperatorNode;
- function updateTypeOperatorNode(node, type) {
- return node.type !== type ? updateNode(createTypeOperatorNode(node.operator, type), node) : node;
- }
- ts.updateTypeOperatorNode = updateTypeOperatorNode;
- function createIndexedAccessTypeNode(objectType, indexType) {
- var node = createSynthesizedNode(185 /* IndexedAccessType */);
- node.objectType = ts.parenthesizeElementTypeMember(objectType);
- node.indexType = indexType;
- return node;
- }
- ts.createIndexedAccessTypeNode = createIndexedAccessTypeNode;
- function updateIndexedAccessTypeNode(node, objectType, indexType) {
- return node.objectType !== objectType
- || node.indexType !== indexType
- ? updateNode(createIndexedAccessTypeNode(objectType, indexType), node)
- : node;
- }
- ts.updateIndexedAccessTypeNode = updateIndexedAccessTypeNode;
- function createMappedTypeNode(readonlyToken, typeParameter, questionToken, type) {
- var node = createSynthesizedNode(186 /* MappedType */);
- node.readonlyToken = readonlyToken;
- node.typeParameter = typeParameter;
- node.questionToken = questionToken;
- node.type = type;
- return node;
- }
- ts.createMappedTypeNode = createMappedTypeNode;
- function updateMappedTypeNode(node, readonlyToken, typeParameter, questionToken, type) {
- return node.readonlyToken !== readonlyToken
- || node.typeParameter !== typeParameter
- || node.questionToken !== questionToken
- || node.type !== type
- ? updateNode(createMappedTypeNode(readonlyToken, typeParameter, questionToken, type), node)
- : node;
- }
- ts.updateMappedTypeNode = updateMappedTypeNode;
- function createLiteralTypeNode(literal) {
- var node = createSynthesizedNode(187 /* LiteralType */);
- node.literal = literal;
- return node;
- }
- ts.createLiteralTypeNode = createLiteralTypeNode;
- function updateLiteralTypeNode(node, literal) {
- return node.literal !== literal
- ? updateNode(createLiteralTypeNode(literal), node)
- : node;
- }
- ts.updateLiteralTypeNode = updateLiteralTypeNode;
- // Binding Patterns
- function createObjectBindingPattern(elements) {
- var node = createSynthesizedNode(189 /* ObjectBindingPattern */);
- node.elements = createNodeArray(elements);
- return node;
- }
- ts.createObjectBindingPattern = createObjectBindingPattern;
- function updateObjectBindingPattern(node, elements) {
- return node.elements !== elements
- ? updateNode(createObjectBindingPattern(elements), node)
- : node;
- }
- ts.updateObjectBindingPattern = updateObjectBindingPattern;
- function createArrayBindingPattern(elements) {
- var node = createSynthesizedNode(190 /* ArrayBindingPattern */);
- node.elements = createNodeArray(elements);
- return node;
- }
- ts.createArrayBindingPattern = createArrayBindingPattern;
- function updateArrayBindingPattern(node, elements) {
- return node.elements !== elements
- ? updateNode(createArrayBindingPattern(elements), node)
- : node;
- }
- ts.updateArrayBindingPattern = updateArrayBindingPattern;
- function createBindingElement(dotDotDotToken, propertyName, name, initializer) {
- var node = createSynthesizedNode(191 /* BindingElement */);
- node.dotDotDotToken = dotDotDotToken;
- node.propertyName = asName(propertyName);
- node.name = asName(name);
- node.initializer = initializer;
- return node;
- }
- ts.createBindingElement = createBindingElement;
- function updateBindingElement(node, dotDotDotToken, propertyName, name, initializer) {
- return node.propertyName !== propertyName
- || node.dotDotDotToken !== dotDotDotToken
- || node.name !== name
- || node.initializer !== initializer
- ? updateNode(createBindingElement(dotDotDotToken, propertyName, name, initializer), node)
- : node;
- }
- ts.updateBindingElement = updateBindingElement;
- // Expression
- function createArrayLiteral(elements, multiLine) {
- var node = createSynthesizedNode(192 /* ArrayLiteralExpression */);
- node.elements = ts.parenthesizeListElements(createNodeArray(elements));
- if (multiLine)
- node.multiLine = true;
- return node;
- }
- ts.createArrayLiteral = createArrayLiteral;
- function updateArrayLiteral(node, elements) {
- return node.elements !== elements
- ? updateNode(createArrayLiteral(elements, node.multiLine), node)
- : node;
- }
- ts.updateArrayLiteral = updateArrayLiteral;
- function createObjectLiteral(properties, multiLine) {
- var node = createSynthesizedNode(193 /* ObjectLiteralExpression */);
- node.properties = createNodeArray(properties);
- if (multiLine)
- node.multiLine = true;
- return node;
- }
- ts.createObjectLiteral = createObjectLiteral;
- function updateObjectLiteral(node, properties) {
- return node.properties !== properties
- ? updateNode(createObjectLiteral(properties, node.multiLine), node)
- : node;
- }
- ts.updateObjectLiteral = updateObjectLiteral;
- function createPropertyAccess(expression, name) {
- var node = createSynthesizedNode(194 /* PropertyAccessExpression */);
- node.expression = ts.parenthesizeForAccess(expression);
- node.name = asName(name);
- setEmitFlags(node, 131072 /* NoIndentation */);
- return node;
- }
- ts.createPropertyAccess = createPropertyAccess;
- function updatePropertyAccess(node, expression, name) {
- if (ts.isPropertyAccessChain(node)) {
- return updatePropertyAccessChain(node, expression, node.questionDotToken, ts.cast(name, ts.isIdentifier));
- }
- // Because we are updating existed propertyAccess we want to inherit its emitFlags
- // instead of using the default from createPropertyAccess
- return node.expression !== expression
- || node.name !== name
- ? updateNode(setEmitFlags(createPropertyAccess(expression, name), ts.getEmitFlags(node)), node)
- : node;
- }
- ts.updatePropertyAccess = updatePropertyAccess;
- function createPropertyAccessChain(expression, questionDotToken, name) {
- var node = createSynthesizedNode(194 /* PropertyAccessExpression */);
- node.flags |= 32 /* OptionalChain */;
- node.expression = ts.parenthesizeForAccess(expression);
- node.questionDotToken = questionDotToken;
- node.name = asName(name);
- setEmitFlags(node, 131072 /* NoIndentation */);
- return node;
- }
- ts.createPropertyAccessChain = createPropertyAccessChain;
- function updatePropertyAccessChain(node, expression, questionDotToken, name) {
- ts.Debug.assert(!!(node.flags & 32 /* OptionalChain */), "Cannot update a PropertyAccessExpression using updatePropertyAccessChain. Use updatePropertyAccess instead.");
- // Because we are updating an existing PropertyAccessChain we want to inherit its emitFlags
- // instead of using the default from createPropertyAccess
- return node.expression !== expression
- || node.questionDotToken !== questionDotToken
- || node.name !== name
- ? updateNode(setEmitFlags(createPropertyAccessChain(expression, questionDotToken, name), ts.getEmitFlags(node)), node)
- : node;
- }
- ts.updatePropertyAccessChain = updatePropertyAccessChain;
- function createElementAccess(expression, index) {
- var node = createSynthesizedNode(195 /* ElementAccessExpression */);
- node.expression = ts.parenthesizeForAccess(expression);
- node.argumentExpression = asExpression(index);
- return node;
- }
- ts.createElementAccess = createElementAccess;
- function updateElementAccess(node, expression, argumentExpression) {
- if (ts.isOptionalChain(node)) {
- return updateElementAccessChain(node, expression, node.questionDotToken, argumentExpression);
- }
- return node.expression !== expression
- || node.argumentExpression !== argumentExpression
- ? updateNode(createElementAccess(expression, argumentExpression), node)
- : node;
- }
- ts.updateElementAccess = updateElementAccess;
- function createElementAccessChain(expression, questionDotToken, index) {
- var node = createSynthesizedNode(195 /* ElementAccessExpression */);
- node.flags |= 32 /* OptionalChain */;
- node.expression = ts.parenthesizeForAccess(expression);
- node.questionDotToken = questionDotToken;
- node.argumentExpression = asExpression(index);
- return node;
- }
- ts.createElementAccessChain = createElementAccessChain;
- function updateElementAccessChain(node, expression, questionDotToken, argumentExpression) {
- ts.Debug.assert(!!(node.flags & 32 /* OptionalChain */), "Cannot update an ElementAccessExpression using updateElementAccessChain. Use updateElementAccess instead.");
- return node.expression !== expression
- || node.questionDotToken !== questionDotToken
- || node.argumentExpression !== argumentExpression
- ? updateNode(createElementAccessChain(expression, questionDotToken, argumentExpression), node)
- : node;
- }
- ts.updateElementAccessChain = updateElementAccessChain;
- function createCall(expression, typeArguments, argumentsArray) {
- var node = createSynthesizedNode(196 /* CallExpression */);
- node.expression = ts.parenthesizeForAccess(expression);
- node.typeArguments = asNodeArray(typeArguments);
- node.arguments = ts.parenthesizeListElements(createNodeArray(argumentsArray));
- return node;
- }
- ts.createCall = createCall;
- function updateCall(node, expression, typeArguments, argumentsArray) {
- if (ts.isOptionalChain(node)) {
- return updateCallChain(node, expression, node.questionDotToken, typeArguments, argumentsArray);
- }
- return node.expression !== expression
- || node.typeArguments !== typeArguments
- || node.arguments !== argumentsArray
- ? updateNode(createCall(expression, typeArguments, argumentsArray), node)
- : node;
- }
- ts.updateCall = updateCall;
- function createCallChain(expression, questionDotToken, typeArguments, argumentsArray) {
- var node = createSynthesizedNode(196 /* CallExpression */);
- node.flags |= 32 /* OptionalChain */;
- node.expression = ts.parenthesizeForAccess(expression);
- node.questionDotToken = questionDotToken;
- node.typeArguments = asNodeArray(typeArguments);
- node.arguments = ts.parenthesizeListElements(createNodeArray(argumentsArray));
- return node;
- }
- ts.createCallChain = createCallChain;
- function updateCallChain(node, expression, questionDotToken, typeArguments, argumentsArray) {
- ts.Debug.assert(!!(node.flags & 32 /* OptionalChain */), "Cannot update a CallExpression using updateCallChain. Use updateCall instead.");
- return node.expression !== expression
- || node.questionDotToken !== questionDotToken
- || node.typeArguments !== typeArguments
- || node.arguments !== argumentsArray
- ? updateNode(createCallChain(expression, questionDotToken, typeArguments, argumentsArray), node)
- : node;
- }
- ts.updateCallChain = updateCallChain;
- function createNew(expression, typeArguments, argumentsArray) {
- var node = createSynthesizedNode(197 /* NewExpression */);
- node.expression = ts.parenthesizeForNew(expression);
- node.typeArguments = asNodeArray(typeArguments);
- node.arguments = argumentsArray ? ts.parenthesizeListElements(createNodeArray(argumentsArray)) : undefined;
- return node;
- }
- ts.createNew = createNew;
- function updateNew(node, expression, typeArguments, argumentsArray) {
- return node.expression !== expression
- || node.typeArguments !== typeArguments
- || node.arguments !== argumentsArray
- ? updateNode(createNew(expression, typeArguments, argumentsArray), node)
- : node;
- }
- ts.updateNew = updateNew;
- function createTaggedTemplate(tag, typeArgumentsOrTemplate, template) {
- var node = createSynthesizedNode(198 /* TaggedTemplateExpression */);
- node.tag = ts.parenthesizeForAccess(tag);
- if (template) {
- node.typeArguments = asNodeArray(typeArgumentsOrTemplate);
- node.template = template;
- }
- else {
- node.typeArguments = undefined;
- node.template = typeArgumentsOrTemplate;
- }
- return node;
- }
- ts.createTaggedTemplate = createTaggedTemplate;
- function updateTaggedTemplate(node, tag, typeArgumentsOrTemplate, template) {
- return node.tag !== tag
- || (template
- ? node.typeArguments !== typeArgumentsOrTemplate || node.template !== template
- : node.typeArguments !== undefined || node.template !== typeArgumentsOrTemplate)
- ? updateNode(createTaggedTemplate(tag, typeArgumentsOrTemplate, template), node)
- : node;
- }
- ts.updateTaggedTemplate = updateTaggedTemplate;
- function createTypeAssertion(type, expression) {
- var node = createSynthesizedNode(199 /* TypeAssertionExpression */);
- node.type = type;
- node.expression = ts.parenthesizePrefixOperand(expression);
- return node;
- }
- ts.createTypeAssertion = createTypeAssertion;
- function updateTypeAssertion(node, type, expression) {
- return node.type !== type
- || node.expression !== expression
- ? updateNode(createTypeAssertion(type, expression), node)
- : node;
- }
- ts.updateTypeAssertion = updateTypeAssertion;
- function createParen(expression) {
- var node = createSynthesizedNode(200 /* ParenthesizedExpression */);
- node.expression = expression;
- return node;
- }
- ts.createParen = createParen;
- function updateParen(node, expression) {
- return node.expression !== expression
- ? updateNode(createParen(expression), node)
- : node;
- }
- ts.updateParen = updateParen;
- function createFunctionExpression(modifiers, asteriskToken, name, typeParameters, parameters, type, body) {
- var node = createSynthesizedNode(201 /* FunctionExpression */);
- node.modifiers = asNodeArray(modifiers);
- node.asteriskToken = asteriskToken;
- node.name = asName(name);
- node.typeParameters = asNodeArray(typeParameters);
- node.parameters = createNodeArray(parameters);
- node.type = type;
- node.body = body;
- return node;
- }
- ts.createFunctionExpression = createFunctionExpression;
- function updateFunctionExpression(node, modifiers, asteriskToken, name, typeParameters, parameters, type, body) {
- return node.name !== name
- || node.modifiers !== modifiers
- || node.asteriskToken !== asteriskToken
- || node.typeParameters !== typeParameters
- || node.parameters !== parameters
- || node.type !== type
- || node.body !== body
- ? updateNode(createFunctionExpression(modifiers, asteriskToken, name, typeParameters, parameters, type, body), node)
- : node;
- }
- ts.updateFunctionExpression = updateFunctionExpression;
- function createArrowFunction(modifiers, typeParameters, parameters, type, equalsGreaterThanToken, body) {
- var node = createSynthesizedNode(202 /* ArrowFunction */);
- node.modifiers = asNodeArray(modifiers);
- node.typeParameters = asNodeArray(typeParameters);
- node.parameters = createNodeArray(parameters);
- node.type = type;
- node.equalsGreaterThanToken = equalsGreaterThanToken || createToken(38 /* EqualsGreaterThanToken */);
- node.body = ts.parenthesizeConciseBody(body);
- return node;
- }
- ts.createArrowFunction = createArrowFunction;
- function updateArrowFunction(node, modifiers, typeParameters, parameters, type, equalsGreaterThanToken, body) {
- return node.modifiers !== modifiers
- || node.typeParameters !== typeParameters
- || node.parameters !== parameters
- || node.type !== type
- || node.equalsGreaterThanToken !== equalsGreaterThanToken
- || node.body !== body
- ? updateNode(createArrowFunction(modifiers, typeParameters, parameters, type, equalsGreaterThanToken, body), node)
- : node;
- }
- ts.updateArrowFunction = updateArrowFunction;
- function createDelete(expression) {
- var node = createSynthesizedNode(203 /* DeleteExpression */);
- node.expression = ts.parenthesizePrefixOperand(expression);
- return node;
- }
- ts.createDelete = createDelete;
- function updateDelete(node, expression) {
- return node.expression !== expression
- ? updateNode(createDelete(expression), node)
- : node;
- }
- ts.updateDelete = updateDelete;
- function createTypeOf(expression) {
- var node = createSynthesizedNode(204 /* TypeOfExpression */);
- node.expression = ts.parenthesizePrefixOperand(expression);
- return node;
- }
- ts.createTypeOf = createTypeOf;
- function updateTypeOf(node, expression) {
- return node.expression !== expression
- ? updateNode(createTypeOf(expression), node)
- : node;
- }
- ts.updateTypeOf = updateTypeOf;
- function createVoid(expression) {
- var node = createSynthesizedNode(205 /* VoidExpression */);
- node.expression = ts.parenthesizePrefixOperand(expression);
- return node;
- }
- ts.createVoid = createVoid;
- function updateVoid(node, expression) {
- return node.expression !== expression
- ? updateNode(createVoid(expression), node)
- : node;
- }
- ts.updateVoid = updateVoid;
- function createAwait(expression) {
- var node = createSynthesizedNode(206 /* AwaitExpression */);
- node.expression = ts.parenthesizePrefixOperand(expression);
- return node;
- }
- ts.createAwait = createAwait;
- function updateAwait(node, expression) {
- return node.expression !== expression
- ? updateNode(createAwait(expression), node)
- : node;
- }
- ts.updateAwait = updateAwait;
- function createPrefix(operator, operand) {
- var node = createSynthesizedNode(207 /* PrefixUnaryExpression */);
- node.operator = operator;
- node.operand = ts.parenthesizePrefixOperand(operand);
- return node;
- }
- ts.createPrefix = createPrefix;
- function updatePrefix(node, operand) {
- return node.operand !== operand
- ? updateNode(createPrefix(node.operator, operand), node)
- : node;
- }
- ts.updatePrefix = updatePrefix;
- function createPostfix(operand, operator) {
- var node = createSynthesizedNode(208 /* PostfixUnaryExpression */);
- node.operand = ts.parenthesizePostfixOperand(operand);
- node.operator = operator;
- return node;
- }
- ts.createPostfix = createPostfix;
- function updatePostfix(node, operand) {
- return node.operand !== operand
- ? updateNode(createPostfix(operand, node.operator), node)
- : node;
- }
- ts.updatePostfix = updatePostfix;
- function createBinary(left, operator, right) {
- var node = createSynthesizedNode(209 /* BinaryExpression */);
- var operatorToken = asToken(operator);
- var operatorKind = operatorToken.kind;
- node.left = ts.parenthesizeBinaryOperand(operatorKind, left, /*isLeftSideOfBinary*/ true, /*leftOperand*/ undefined);
- node.operatorToken = operatorToken;
- node.right = ts.parenthesizeBinaryOperand(operatorKind, right, /*isLeftSideOfBinary*/ false, node.left);
- return node;
- }
- ts.createBinary = createBinary;
- function updateBinary(node, left, right, operator) {
- return node.left !== left
- || node.right !== right
- ? updateNode(createBinary(left, operator || node.operatorToken, right), node)
- : node;
- }
- ts.updateBinary = updateBinary;
- function createConditional(condition, questionTokenOrWhenTrue, whenTrueOrWhenFalse, colonToken, whenFalse) {
- var node = createSynthesizedNode(210 /* ConditionalExpression */);
- node.condition = ts.parenthesizeForConditionalHead(condition);
- node.questionToken = whenFalse ? questionTokenOrWhenTrue : createToken(57 /* QuestionToken */);
- node.whenTrue = ts.parenthesizeSubexpressionOfConditionalExpression(whenFalse ? whenTrueOrWhenFalse : questionTokenOrWhenTrue);
- node.colonToken = whenFalse ? colonToken : createToken(58 /* ColonToken */);
- node.whenFalse = ts.parenthesizeSubexpressionOfConditionalExpression(whenFalse ? whenFalse : whenTrueOrWhenFalse);
- return node;
- }
- ts.createConditional = createConditional;
- function updateConditional(node, condition, questionToken, whenTrue, colonToken, whenFalse) {
- return node.condition !== condition
- || node.questionToken !== questionToken
- || node.whenTrue !== whenTrue
- || node.colonToken !== colonToken
- || node.whenFalse !== whenFalse
- ? updateNode(createConditional(condition, questionToken, whenTrue, colonToken, whenFalse), node)
- : node;
- }
- ts.updateConditional = updateConditional;
- function createTemplateExpression(head, templateSpans) {
- var node = createSynthesizedNode(211 /* TemplateExpression */);
- node.head = head;
- node.templateSpans = createNodeArray(templateSpans);
- return node;
- }
- ts.createTemplateExpression = createTemplateExpression;
- function updateTemplateExpression(node, head, templateSpans) {
- return node.head !== head
- || node.templateSpans !== templateSpans
- ? updateNode(createTemplateExpression(head, templateSpans), node)
- : node;
- }
- ts.updateTemplateExpression = updateTemplateExpression;
- var rawTextScanner;
- var invalidValueSentinel = {};
- function getCookedText(kind, rawText) {
- if (!rawTextScanner) {
- rawTextScanner = ts.createScanner(99 /* Latest */, /*skipTrivia*/ false, 0 /* Standard */);
- }
- switch (kind) {
- case 14 /* NoSubstitutionTemplateLiteral */:
- rawTextScanner.setText("`" + rawText + "`");
- break;
- case 15 /* TemplateHead */:
- rawTextScanner.setText("`" + rawText + "${");
- break;
- case 16 /* TemplateMiddle */:
- rawTextScanner.setText("}" + rawText + "${");
- break;
- case 17 /* TemplateTail */:
- rawTextScanner.setText("}" + rawText + "`");
- break;
- }
- var token = rawTextScanner.scan();
- if (token === 23 /* CloseBracketToken */) {
- token = rawTextScanner.reScanTemplateToken(/* isTaggedTemplate */ false);
- }
- if (rawTextScanner.isUnterminated()) {
- rawTextScanner.setText(undefined);
- return invalidValueSentinel;
- }
- var tokenValue;
- switch (token) {
- case 14 /* NoSubstitutionTemplateLiteral */:
- case 15 /* TemplateHead */:
- case 16 /* TemplateMiddle */:
- case 17 /* TemplateTail */:
- tokenValue = rawTextScanner.getTokenValue();
- break;
- }
- if (rawTextScanner.scan() !== 1 /* EndOfFileToken */) {
- rawTextScanner.setText(undefined);
- return invalidValueSentinel;
- }
- rawTextScanner.setText(undefined);
- return tokenValue;
- }
- function createTemplateLiteralLikeNode(kind, text, rawText) {
- var node = createSynthesizedNode(kind);
- node.text = text;
- if (rawText === undefined || text === rawText) {
- node.rawText = rawText;
- }
- else {
- var cooked = getCookedText(kind, rawText);
- if (typeof cooked === "object") {
- return ts.Debug.fail("Invalid raw text");
- }
- ts.Debug.assert(text === cooked, "Expected argument 'text' to be the normalized (i.e. 'cooked') version of argument 'rawText'.");
- node.rawText = rawText;
- }
- return node;
- }
- function createTemplateHead(text, rawText) {
- var node = createTemplateLiteralLikeNode(15 /* TemplateHead */, text, rawText);
- node.text = text;
- return node;
- }
- ts.createTemplateHead = createTemplateHead;
- function createTemplateMiddle(text, rawText) {
- var node = createTemplateLiteralLikeNode(16 /* TemplateMiddle */, text, rawText);
- node.text = text;
- return node;
- }
- ts.createTemplateMiddle = createTemplateMiddle;
- function createTemplateTail(text, rawText) {
- var node = createTemplateLiteralLikeNode(17 /* TemplateTail */, text, rawText);
- node.text = text;
- return node;
- }
- ts.createTemplateTail = createTemplateTail;
- function createNoSubstitutionTemplateLiteral(text, rawText) {
- var node = createTemplateLiteralLikeNode(14 /* NoSubstitutionTemplateLiteral */, text, rawText);
- return node;
- }
- ts.createNoSubstitutionTemplateLiteral = createNoSubstitutionTemplateLiteral;
- function createYield(asteriskTokenOrExpression, expression) {
- var asteriskToken = asteriskTokenOrExpression && asteriskTokenOrExpression.kind === 41 /* AsteriskToken */ ? asteriskTokenOrExpression : undefined;
- expression = asteriskTokenOrExpression && asteriskTokenOrExpression.kind !== 41 /* AsteriskToken */ ? asteriskTokenOrExpression : expression;
- var node = createSynthesizedNode(212 /* YieldExpression */);
- node.asteriskToken = asteriskToken;
- node.expression = expression && ts.parenthesizeExpressionForList(expression);
- return node;
- }
- ts.createYield = createYield;
- function updateYield(node, asteriskToken, expression) {
- return node.expression !== expression
- || node.asteriskToken !== asteriskToken
- ? updateNode(createYield(asteriskToken, expression), node)
- : node;
- }
- ts.updateYield = updateYield;
- function createSpread(expression) {
- var node = createSynthesizedNode(213 /* SpreadElement */);
- node.expression = ts.parenthesizeExpressionForList(expression);
- return node;
- }
- ts.createSpread = createSpread;
- function updateSpread(node, expression) {
- return node.expression !== expression
- ? updateNode(createSpread(expression), node)
- : node;
- }
- ts.updateSpread = updateSpread;
- function createClassExpression(modifiers, name, typeParameters, heritageClauses, members) {
- var node = createSynthesizedNode(214 /* ClassExpression */);
- node.decorators = undefined;
- node.modifiers = asNodeArray(modifiers);
- node.name = asName(name);
- node.typeParameters = asNodeArray(typeParameters);
- node.heritageClauses = asNodeArray(heritageClauses);
- node.members = createNodeArray(members);
- return node;
- }
- ts.createClassExpression = createClassExpression;
- function updateClassExpression(node, modifiers, name, typeParameters, heritageClauses, members) {
- return node.modifiers !== modifiers
- || node.name !== name
- || node.typeParameters !== typeParameters
- || node.heritageClauses !== heritageClauses
- || node.members !== members
- ? updateNode(createClassExpression(modifiers, name, typeParameters, heritageClauses, members), node)
- : node;
- }
- ts.updateClassExpression = updateClassExpression;
- function createOmittedExpression() {
- return createSynthesizedNode(215 /* OmittedExpression */);
- }
- ts.createOmittedExpression = createOmittedExpression;
- function createExpressionWithTypeArguments(typeArguments, expression) {
- var node = createSynthesizedNode(216 /* ExpressionWithTypeArguments */);
- node.expression = ts.parenthesizeForAccess(expression);
- node.typeArguments = asNodeArray(typeArguments);
- return node;
- }
- ts.createExpressionWithTypeArguments = createExpressionWithTypeArguments;
- function updateExpressionWithTypeArguments(node, typeArguments, expression) {
- return node.typeArguments !== typeArguments
- || node.expression !== expression
- ? updateNode(createExpressionWithTypeArguments(typeArguments, expression), node)
- : node;
- }
- ts.updateExpressionWithTypeArguments = updateExpressionWithTypeArguments;
- function createAsExpression(expression, type) {
- var node = createSynthesizedNode(217 /* AsExpression */);
- node.expression = expression;
- node.type = type;
- return node;
- }
- ts.createAsExpression = createAsExpression;
- function updateAsExpression(node, expression, type) {
- return node.expression !== expression
- || node.type !== type
- ? updateNode(createAsExpression(expression, type), node)
- : node;
- }
- ts.updateAsExpression = updateAsExpression;
- function createNonNullExpression(expression) {
- var node = createSynthesizedNode(218 /* NonNullExpression */);
- node.expression = ts.parenthesizeForAccess(expression);
- return node;
- }
- ts.createNonNullExpression = createNonNullExpression;
- function updateNonNullExpression(node, expression) {
- if (ts.isNonNullChain(node)) {
- return updateNonNullChain(node, expression);
- }
- return node.expression !== expression
- ? updateNode(createNonNullExpression(expression), node)
- : node;
- }
- ts.updateNonNullExpression = updateNonNullExpression;
- function createNonNullChain(expression) {
- var node = createSynthesizedNode(218 /* NonNullExpression */);
- node.flags |= 32 /* OptionalChain */;
- node.expression = ts.parenthesizeForAccess(expression);
- return node;
- }
- ts.createNonNullChain = createNonNullChain;
- function updateNonNullChain(node, expression) {
- ts.Debug.assert(!!(node.flags & 32 /* OptionalChain */), "Cannot update a NonNullExpression using updateNonNullChain. Use updateNonNullExpression instead.");
- return node.expression !== expression
- ? updateNode(createNonNullChain(expression), node)
- : node;
- }
- ts.updateNonNullChain = updateNonNullChain;
- function createMetaProperty(keywordToken, name) {
- var node = createSynthesizedNode(219 /* MetaProperty */);
- node.keywordToken = keywordToken;
- node.name = name;
- return node;
- }
- ts.createMetaProperty = createMetaProperty;
- function updateMetaProperty(node, name) {
- return node.name !== name
- ? updateNode(createMetaProperty(node.keywordToken, name), node)
- : node;
- }
- ts.updateMetaProperty = updateMetaProperty;
- // Misc
- function createTemplateSpan(expression, literal) {
- var node = createSynthesizedNode(221 /* TemplateSpan */);
- node.expression = expression;
- node.literal = literal;
- return node;
- }
- ts.createTemplateSpan = createTemplateSpan;
- function updateTemplateSpan(node, expression, literal) {
- return node.expression !== expression
- || node.literal !== literal
- ? updateNode(createTemplateSpan(expression, literal), node)
- : node;
- }
- ts.updateTemplateSpan = updateTemplateSpan;
- function createSemicolonClassElement() {
- return createSynthesizedNode(222 /* SemicolonClassElement */);
- }
- ts.createSemicolonClassElement = createSemicolonClassElement;
- // Element
- function createBlock(statements, multiLine) {
- var block = createSynthesizedNode(223 /* Block */);
- block.statements = createNodeArray(statements);
- if (multiLine)
- block.multiLine = multiLine;
- return block;
- }
- ts.createBlock = createBlock;
- function updateBlock(node, statements) {
- return node.statements !== statements
- ? updateNode(createBlock(statements, node.multiLine), node)
- : node;
- }
- ts.updateBlock = updateBlock;
- function createVariableStatement(modifiers, declarationList) {
- var node = createSynthesizedNode(225 /* VariableStatement */);
- node.decorators = undefined;
- node.modifiers = asNodeArray(modifiers);
- node.declarationList = ts.isArray(declarationList) ? createVariableDeclarationList(declarationList) : declarationList;
- return node;
- }
- ts.createVariableStatement = createVariableStatement;
- function updateVariableStatement(node, modifiers, declarationList) {
- return node.modifiers !== modifiers
- || node.declarationList !== declarationList
- ? updateNode(createVariableStatement(modifiers, declarationList), node)
- : node;
- }
- ts.updateVariableStatement = updateVariableStatement;
- function createEmptyStatement() {
- return createSynthesizedNode(224 /* EmptyStatement */);
- }
- ts.createEmptyStatement = createEmptyStatement;
- function createExpressionStatement(expression) {
- var node = createSynthesizedNode(226 /* ExpressionStatement */);
- node.expression = ts.parenthesizeExpressionForExpressionStatement(expression);
- return node;
- }
- ts.createExpressionStatement = createExpressionStatement;
- function updateExpressionStatement(node, expression) {
- return node.expression !== expression
- ? updateNode(createExpressionStatement(expression), node)
- : node;
- }
- ts.updateExpressionStatement = updateExpressionStatement;
- /** @deprecated Use `createExpressionStatement` instead. */
- ts.createStatement = createExpressionStatement;
- /** @deprecated Use `updateExpressionStatement` instead. */
- ts.updateStatement = updateExpressionStatement;
- function createIf(expression, thenStatement, elseStatement) {
- var node = createSynthesizedNode(227 /* IfStatement */);
- node.expression = expression;
- node.thenStatement = asEmbeddedStatement(thenStatement);
- node.elseStatement = asEmbeddedStatement(elseStatement);
- return node;
- }
- ts.createIf = createIf;
- function updateIf(node, expression, thenStatement, elseStatement) {
- return node.expression !== expression
- || node.thenStatement !== thenStatement
- || node.elseStatement !== elseStatement
- ? updateNode(createIf(expression, thenStatement, elseStatement), node)
- : node;
- }
- ts.updateIf = updateIf;
- function createDo(statement, expression) {
- var node = createSynthesizedNode(228 /* DoStatement */);
- node.statement = asEmbeddedStatement(statement);
- node.expression = expression;
- return node;
- }
- ts.createDo = createDo;
- function updateDo(node, statement, expression) {
- return node.statement !== statement
- || node.expression !== expression
- ? updateNode(createDo(statement, expression), node)
- : node;
- }
- ts.updateDo = updateDo;
- function createWhile(expression, statement) {
- var node = createSynthesizedNode(229 /* WhileStatement */);
- node.expression = expression;
- node.statement = asEmbeddedStatement(statement);
- return node;
- }
- ts.createWhile = createWhile;
- function updateWhile(node, expression, statement) {
- return node.expression !== expression
- || node.statement !== statement
- ? updateNode(createWhile(expression, statement), node)
- : node;
- }
- ts.updateWhile = updateWhile;
- function createFor(initializer, condition, incrementor, statement) {
- var node = createSynthesizedNode(230 /* ForStatement */);
- node.initializer = initializer;
- node.condition = condition;
- node.incrementor = incrementor;
- node.statement = asEmbeddedStatement(statement);
- return node;
- }
- ts.createFor = createFor;
- function updateFor(node, initializer, condition, incrementor, statement) {
- return node.initializer !== initializer
- || node.condition !== condition
- || node.incrementor !== incrementor
- || node.statement !== statement
- ? updateNode(createFor(initializer, condition, incrementor, statement), node)
- : node;
- }
- ts.updateFor = updateFor;
- function createForIn(initializer, expression, statement) {
- var node = createSynthesizedNode(231 /* ForInStatement */);
- node.initializer = initializer;
- node.expression = expression;
- node.statement = asEmbeddedStatement(statement);
- return node;
- }
- ts.createForIn = createForIn;
- function updateForIn(node, initializer, expression, statement) {
- return node.initializer !== initializer
- || node.expression !== expression
- || node.statement !== statement
- ? updateNode(createForIn(initializer, expression, statement), node)
- : node;
- }
- ts.updateForIn = updateForIn;
- function createForOf(awaitModifier, initializer, expression, statement) {
- var node = createSynthesizedNode(232 /* ForOfStatement */);
- node.awaitModifier = awaitModifier;
- node.initializer = initializer;
- node.expression = ts.isCommaSequence(expression) ? createParen(expression) : expression;
- node.statement = asEmbeddedStatement(statement);
- return node;
- }
- ts.createForOf = createForOf;
- function updateForOf(node, awaitModifier, initializer, expression, statement) {
- return node.awaitModifier !== awaitModifier
- || node.initializer !== initializer
- || node.expression !== expression
- || node.statement !== statement
- ? updateNode(createForOf(awaitModifier, initializer, expression, statement), node)
- : node;
- }
- ts.updateForOf = updateForOf;
- function createContinue(label) {
- var node = createSynthesizedNode(233 /* ContinueStatement */);
- node.label = asName(label);
- return node;
- }
- ts.createContinue = createContinue;
- function updateContinue(node, label) {
- return node.label !== label
- ? updateNode(createContinue(label), node)
- : node;
- }
- ts.updateContinue = updateContinue;
- function createBreak(label) {
- var node = createSynthesizedNode(234 /* BreakStatement */);
- node.label = asName(label);
- return node;
- }
- ts.createBreak = createBreak;
- function updateBreak(node, label) {
- return node.label !== label
- ? updateNode(createBreak(label), node)
- : node;
- }
- ts.updateBreak = updateBreak;
- function createReturn(expression) {
- var node = createSynthesizedNode(235 /* ReturnStatement */);
- node.expression = expression;
- return node;
- }
- ts.createReturn = createReturn;
- function updateReturn(node, expression) {
- return node.expression !== expression
- ? updateNode(createReturn(expression), node)
- : node;
- }
- ts.updateReturn = updateReturn;
- function createWith(expression, statement) {
- var node = createSynthesizedNode(236 /* WithStatement */);
- node.expression = expression;
- node.statement = asEmbeddedStatement(statement);
- return node;
- }
- ts.createWith = createWith;
- function updateWith(node, expression, statement) {
- return node.expression !== expression
- || node.statement !== statement
- ? updateNode(createWith(expression, statement), node)
- : node;
- }
- ts.updateWith = updateWith;
- function createSwitch(expression, caseBlock) {
- var node = createSynthesizedNode(237 /* SwitchStatement */);
- node.expression = ts.parenthesizeExpressionForList(expression);
- node.caseBlock = caseBlock;
- return node;
- }
- ts.createSwitch = createSwitch;
- function updateSwitch(node, expression, caseBlock) {
- return node.expression !== expression
- || node.caseBlock !== caseBlock
- ? updateNode(createSwitch(expression, caseBlock), node)
- : node;
- }
- ts.updateSwitch = updateSwitch;
- function createLabel(label, statement) {
- var node = createSynthesizedNode(238 /* LabeledStatement */);
- node.label = asName(label);
- node.statement = asEmbeddedStatement(statement);
- return node;
- }
- ts.createLabel = createLabel;
- function updateLabel(node, label, statement) {
- return node.label !== label
- || node.statement !== statement
- ? updateNode(createLabel(label, statement), node)
- : node;
- }
- ts.updateLabel = updateLabel;
- function createThrow(expression) {
- var node = createSynthesizedNode(239 /* ThrowStatement */);
- node.expression = expression;
- return node;
- }
- ts.createThrow = createThrow;
- function updateThrow(node, expression) {
- return node.expression !== expression
- ? updateNode(createThrow(expression), node)
- : node;
- }
- ts.updateThrow = updateThrow;
- function createTry(tryBlock, catchClause, finallyBlock) {
- var node = createSynthesizedNode(240 /* TryStatement */);
- node.tryBlock = tryBlock;
- node.catchClause = catchClause;
- node.finallyBlock = finallyBlock;
- return node;
- }
- ts.createTry = createTry;
- function updateTry(node, tryBlock, catchClause, finallyBlock) {
- return node.tryBlock !== tryBlock
- || node.catchClause !== catchClause
- || node.finallyBlock !== finallyBlock
- ? updateNode(createTry(tryBlock, catchClause, finallyBlock), node)
- : node;
- }
- ts.updateTry = updateTry;
- function createDebuggerStatement() {
- return createSynthesizedNode(241 /* DebuggerStatement */);
- }
- ts.createDebuggerStatement = createDebuggerStatement;
- function createVariableDeclaration(name, type, initializer) {
- /* Internally, one should probably use createTypeScriptVariableDeclaration instead and handle definite assignment assertions */
- var node = createSynthesizedNode(242 /* VariableDeclaration */);
- node.name = asName(name);
- node.type = type;
- node.initializer = initializer !== undefined ? ts.parenthesizeExpressionForList(initializer) : undefined;
- return node;
- }
- ts.createVariableDeclaration = createVariableDeclaration;
- function updateVariableDeclaration(node, name, type, initializer) {
- /* Internally, one should probably use updateTypeScriptVariableDeclaration instead and handle definite assignment assertions */
- return node.name !== name
- || node.type !== type
- || node.initializer !== initializer
- ? updateNode(createVariableDeclaration(name, type, initializer), node)
- : node;
- }
- ts.updateVariableDeclaration = updateVariableDeclaration;
- /* @internal */
- function createTypeScriptVariableDeclaration(name, exclaimationToken, type, initializer) {
- var node = createSynthesizedNode(242 /* VariableDeclaration */);
- node.name = asName(name);
- node.type = type;
- node.initializer = initializer !== undefined ? ts.parenthesizeExpressionForList(initializer) : undefined;
- node.exclamationToken = exclaimationToken;
- return node;
- }
- ts.createTypeScriptVariableDeclaration = createTypeScriptVariableDeclaration;
- /* @internal */
- function updateTypeScriptVariableDeclaration(node, name, exclaimationToken, type, initializer) {
- return node.name !== name
- || node.type !== type
- || node.initializer !== initializer
- || node.exclamationToken !== exclaimationToken
- ? updateNode(createTypeScriptVariableDeclaration(name, exclaimationToken, type, initializer), node)
- : node;
- }
- ts.updateTypeScriptVariableDeclaration = updateTypeScriptVariableDeclaration;
- function createVariableDeclarationList(declarations, flags) {
- if (flags === void 0) { flags = 0 /* None */; }
- var node = createSynthesizedNode(243 /* VariableDeclarationList */);
- node.flags |= flags & 3 /* BlockScoped */;
- node.declarations = createNodeArray(declarations);
- return node;
- }
- ts.createVariableDeclarationList = createVariableDeclarationList;
- function updateVariableDeclarationList(node, declarations) {
- return node.declarations !== declarations
- ? updateNode(createVariableDeclarationList(declarations, node.flags), node)
- : node;
- }
- ts.updateVariableDeclarationList = updateVariableDeclarationList;
- function createFunctionDeclaration(decorators, modifiers, asteriskToken, name, typeParameters, parameters, type, body) {
- var node = createSynthesizedNode(244 /* FunctionDeclaration */);
- node.decorators = asNodeArray(decorators);
- node.modifiers = asNodeArray(modifiers);
- node.asteriskToken = asteriskToken;
- node.name = asName(name);
- node.typeParameters = asNodeArray(typeParameters);
- node.parameters = createNodeArray(parameters);
- node.type = type;
- node.body = body;
- return node;
- }
- ts.createFunctionDeclaration = createFunctionDeclaration;
- function updateFunctionDeclaration(node, decorators, modifiers, asteriskToken, name, typeParameters, parameters, type, body) {
- return node.decorators !== decorators
- || node.modifiers !== modifiers
- || node.asteriskToken !== asteriskToken
- || node.name !== name
- || node.typeParameters !== typeParameters
- || node.parameters !== parameters
- || node.type !== type
- || node.body !== body
- ? updateNode(createFunctionDeclaration(decorators, modifiers, asteriskToken, name, typeParameters, parameters, type, body), node)
- : node;
- }
- ts.updateFunctionDeclaration = updateFunctionDeclaration;
- /* @internal */
- function updateFunctionLikeBody(declaration, body) {
- switch (declaration.kind) {
- case 244 /* FunctionDeclaration */:
- return createFunctionDeclaration(declaration.decorators, declaration.modifiers, declaration.asteriskToken, declaration.name, declaration.typeParameters, declaration.parameters, declaration.type, body);
- case 161 /* MethodDeclaration */:
- return createMethod(declaration.decorators, declaration.modifiers, declaration.asteriskToken, declaration.name, declaration.questionToken, declaration.typeParameters, declaration.parameters, declaration.type, body);
- case 163 /* GetAccessor */:
- return createGetAccessor(declaration.decorators, declaration.modifiers, declaration.name, declaration.parameters, declaration.type, body);
- case 164 /* SetAccessor */:
- return createSetAccessor(declaration.decorators, declaration.modifiers, declaration.name, declaration.parameters, body);
- case 162 /* Constructor */:
- return createConstructor(declaration.decorators, declaration.modifiers, declaration.parameters, body);
- case 201 /* FunctionExpression */:
- return createFunctionExpression(declaration.modifiers, declaration.asteriskToken, declaration.name, declaration.typeParameters, declaration.parameters, declaration.type, body);
- case 202 /* ArrowFunction */:
- return createArrowFunction(declaration.modifiers, declaration.typeParameters, declaration.parameters, declaration.type, declaration.equalsGreaterThanToken, body);
- }
- }
- ts.updateFunctionLikeBody = updateFunctionLikeBody;
- function createClassDeclaration(decorators, modifiers, name, typeParameters, heritageClauses, members) {
- var node = createSynthesizedNode(245 /* ClassDeclaration */);
- node.decorators = asNodeArray(decorators);
- node.modifiers = asNodeArray(modifiers);
- node.name = asName(name);
- node.typeParameters = asNodeArray(typeParameters);
- node.heritageClauses = asNodeArray(heritageClauses);
- node.members = createNodeArray(members);
- return node;
- }
- ts.createClassDeclaration = createClassDeclaration;
- function updateClassDeclaration(node, decorators, modifiers, name, typeParameters, heritageClauses, members) {
- return node.decorators !== decorators
- || node.modifiers !== modifiers
- || node.name !== name
- || node.typeParameters !== typeParameters
- || node.heritageClauses !== heritageClauses
- || node.members !== members
- ? updateNode(createClassDeclaration(decorators, modifiers, name, typeParameters, heritageClauses, members), node)
- : node;
- }
- ts.updateClassDeclaration = updateClassDeclaration;
- function createInterfaceDeclaration(decorators, modifiers, name, typeParameters, heritageClauses, members) {
- var node = createSynthesizedNode(246 /* InterfaceDeclaration */);
- node.decorators = asNodeArray(decorators);
- node.modifiers = asNodeArray(modifiers);
- node.name = asName(name);
- node.typeParameters = asNodeArray(typeParameters);
- node.heritageClauses = asNodeArray(heritageClauses);
- node.members = createNodeArray(members);
- return node;
- }
- ts.createInterfaceDeclaration = createInterfaceDeclaration;
- function updateInterfaceDeclaration(node, decorators, modifiers, name, typeParameters, heritageClauses, members) {
- return node.decorators !== decorators
- || node.modifiers !== modifiers
- || node.name !== name
- || node.typeParameters !== typeParameters
- || node.heritageClauses !== heritageClauses
- || node.members !== members
- ? updateNode(createInterfaceDeclaration(decorators, modifiers, name, typeParameters, heritageClauses, members), node)
- : node;
- }
- ts.updateInterfaceDeclaration = updateInterfaceDeclaration;
- function createTypeAliasDeclaration(decorators, modifiers, name, typeParameters, type) {
- var node = createSynthesizedNode(247 /* TypeAliasDeclaration */);
- node.decorators = asNodeArray(decorators);
- node.modifiers = asNodeArray(modifiers);
- node.name = asName(name);
- node.typeParameters = asNodeArray(typeParameters);
- node.type = type;
- return node;
- }
- ts.createTypeAliasDeclaration = createTypeAliasDeclaration;
- function updateTypeAliasDeclaration(node, decorators, modifiers, name, typeParameters, type) {
- return node.decorators !== decorators
- || node.modifiers !== modifiers
- || node.name !== name
- || node.typeParameters !== typeParameters
- || node.type !== type
- ? updateNode(createTypeAliasDeclaration(decorators, modifiers, name, typeParameters, type), node)
- : node;
- }
- ts.updateTypeAliasDeclaration = updateTypeAliasDeclaration;
- function createEnumDeclaration(decorators, modifiers, name, members) {
- var node = createSynthesizedNode(248 /* EnumDeclaration */);
- node.decorators = asNodeArray(decorators);
- node.modifiers = asNodeArray(modifiers);
- node.name = asName(name);
- node.members = createNodeArray(members);
- return node;
- }
- ts.createEnumDeclaration = createEnumDeclaration;
- function updateEnumDeclaration(node, decorators, modifiers, name, members) {
- return node.decorators !== decorators
- || node.modifiers !== modifiers
- || node.name !== name
- || node.members !== members
- ? updateNode(createEnumDeclaration(decorators, modifiers, name, members), node)
- : node;
- }
- ts.updateEnumDeclaration = updateEnumDeclaration;
- function createModuleDeclaration(decorators, modifiers, name, body, flags) {
- if (flags === void 0) { flags = 0 /* None */; }
- var node = createSynthesizedNode(249 /* ModuleDeclaration */);
- node.flags |= flags & (16 /* Namespace */ | 4 /* NestedNamespace */ | 1024 /* GlobalAugmentation */);
- node.decorators = asNodeArray(decorators);
- node.modifiers = asNodeArray(modifiers);
- node.name = name;
- node.body = body;
- return node;
- }
- ts.createModuleDeclaration = createModuleDeclaration;
- function updateModuleDeclaration(node, decorators, modifiers, name, body) {
- return node.decorators !== decorators
- || node.modifiers !== modifiers
- || node.name !== name
- || node.body !== body
- ? updateNode(createModuleDeclaration(decorators, modifiers, name, body, node.flags), node)
- : node;
- }
- ts.updateModuleDeclaration = updateModuleDeclaration;
- function createModuleBlock(statements) {
- var node = createSynthesizedNode(250 /* ModuleBlock */);
- node.statements = createNodeArray(statements);
- return node;
- }
- ts.createModuleBlock = createModuleBlock;
- function updateModuleBlock(node, statements) {
- return node.statements !== statements
- ? updateNode(createModuleBlock(statements), node)
- : node;
- }
- ts.updateModuleBlock = updateModuleBlock;
- function createCaseBlock(clauses) {
- var node = createSynthesizedNode(251 /* CaseBlock */);
- node.clauses = createNodeArray(clauses);
- return node;
- }
- ts.createCaseBlock = createCaseBlock;
- function updateCaseBlock(node, clauses) {
- return node.clauses !== clauses
- ? updateNode(createCaseBlock(clauses), node)
- : node;
- }
- ts.updateCaseBlock = updateCaseBlock;
- function createNamespaceExportDeclaration(name) {
- var node = createSynthesizedNode(252 /* NamespaceExportDeclaration */);
- node.name = asName(name);
- return node;
- }
- ts.createNamespaceExportDeclaration = createNamespaceExportDeclaration;
- function updateNamespaceExportDeclaration(node, name) {
- return node.name !== name
- ? updateNode(createNamespaceExportDeclaration(name), node)
- : node;
- }
- ts.updateNamespaceExportDeclaration = updateNamespaceExportDeclaration;
- function createImportEqualsDeclaration(decorators, modifiers, name, moduleReference) {
- var node = createSynthesizedNode(253 /* ImportEqualsDeclaration */);
- node.decorators = asNodeArray(decorators);
- node.modifiers = asNodeArray(modifiers);
- node.name = asName(name);
- node.moduleReference = moduleReference;
- return node;
- }
- ts.createImportEqualsDeclaration = createImportEqualsDeclaration;
- function updateImportEqualsDeclaration(node, decorators, modifiers, name, moduleReference) {
- return node.decorators !== decorators
- || node.modifiers !== modifiers
- || node.name !== name
- || node.moduleReference !== moduleReference
- ? updateNode(createImportEqualsDeclaration(decorators, modifiers, name, moduleReference), node)
- : node;
- }
- ts.updateImportEqualsDeclaration = updateImportEqualsDeclaration;
- function createImportDeclaration(decorators, modifiers, importClause, moduleSpecifier) {
- var node = createSynthesizedNode(254 /* ImportDeclaration */);
- node.decorators = asNodeArray(decorators);
- node.modifiers = asNodeArray(modifiers);
- node.importClause = importClause;
- node.moduleSpecifier = moduleSpecifier;
- return node;
- }
- ts.createImportDeclaration = createImportDeclaration;
- function updateImportDeclaration(node, decorators, modifiers, importClause, moduleSpecifier) {
- return node.decorators !== decorators
- || node.modifiers !== modifiers
- || node.importClause !== importClause
- || node.moduleSpecifier !== moduleSpecifier
- ? updateNode(createImportDeclaration(decorators, modifiers, importClause, moduleSpecifier), node)
- : node;
- }
- ts.updateImportDeclaration = updateImportDeclaration;
- function createImportClause(name, namedBindings, isTypeOnly) {
- if (isTypeOnly === void 0) { isTypeOnly = false; }
- var node = createSynthesizedNode(255 /* ImportClause */);
- node.name = name;
- node.namedBindings = namedBindings;
- node.isTypeOnly = isTypeOnly;
- return node;
- }
- ts.createImportClause = createImportClause;
- function updateImportClause(node, name, namedBindings, isTypeOnly) {
- return node.name !== name
- || node.namedBindings !== namedBindings
- || node.isTypeOnly !== isTypeOnly
- ? updateNode(createImportClause(name, namedBindings, isTypeOnly), node)
- : node;
- }
- ts.updateImportClause = updateImportClause;
- function createNamespaceImport(name) {
- var node = createSynthesizedNode(256 /* NamespaceImport */);
- node.name = name;
- return node;
- }
- ts.createNamespaceImport = createNamespaceImport;
- function createNamespaceExport(name) {
- var node = createSynthesizedNode(262 /* NamespaceExport */);
- node.name = name;
- return node;
- }
- ts.createNamespaceExport = createNamespaceExport;
- function updateNamespaceImport(node, name) {
- return node.name !== name
- ? updateNode(createNamespaceImport(name), node)
- : node;
- }
- ts.updateNamespaceImport = updateNamespaceImport;
- function updateNamespaceExport(node, name) {
- return node.name !== name
- ? updateNode(createNamespaceExport(name), node)
- : node;
- }
- ts.updateNamespaceExport = updateNamespaceExport;
- function createNamedImports(elements) {
- var node = createSynthesizedNode(257 /* NamedImports */);
- node.elements = createNodeArray(elements);
- return node;
- }
- ts.createNamedImports = createNamedImports;
- function updateNamedImports(node, elements) {
- return node.elements !== elements
- ? updateNode(createNamedImports(elements), node)
- : node;
- }
- ts.updateNamedImports = updateNamedImports;
- function createImportSpecifier(propertyName, name) {
- var node = createSynthesizedNode(258 /* ImportSpecifier */);
- node.propertyName = propertyName;
- node.name = name;
- return node;
- }
- ts.createImportSpecifier = createImportSpecifier;
- function updateImportSpecifier(node, propertyName, name) {
- return node.propertyName !== propertyName
- || node.name !== name
- ? updateNode(createImportSpecifier(propertyName, name), node)
- : node;
- }
- ts.updateImportSpecifier = updateImportSpecifier;
- function createExportAssignment(decorators, modifiers, isExportEquals, expression) {
- var node = createSynthesizedNode(259 /* ExportAssignment */);
- node.decorators = asNodeArray(decorators);
- node.modifiers = asNodeArray(modifiers);
- node.isExportEquals = isExportEquals;
- node.expression = isExportEquals ? ts.parenthesizeBinaryOperand(62 /* EqualsToken */, expression, /*isLeftSideOfBinary*/ false, /*leftOperand*/ undefined) : ts.parenthesizeDefaultExpression(expression);
- return node;
- }
- ts.createExportAssignment = createExportAssignment;
- function updateExportAssignment(node, decorators, modifiers, expression) {
- return node.decorators !== decorators
- || node.modifiers !== modifiers
- || node.expression !== expression
- ? updateNode(createExportAssignment(decorators, modifiers, node.isExportEquals, expression), node)
- : node;
- }
- ts.updateExportAssignment = updateExportAssignment;
- function createExportDeclaration(decorators, modifiers, exportClause, moduleSpecifier, isTypeOnly) {
- if (isTypeOnly === void 0) { isTypeOnly = false; }
- var node = createSynthesizedNode(260 /* ExportDeclaration */);
- node.decorators = asNodeArray(decorators);
- node.modifiers = asNodeArray(modifiers);
- node.isTypeOnly = isTypeOnly;
- node.exportClause = exportClause;
- node.moduleSpecifier = moduleSpecifier;
- return node;
- }
- ts.createExportDeclaration = createExportDeclaration;
- function updateExportDeclaration(node, decorators, modifiers, exportClause, moduleSpecifier, isTypeOnly) {
- return node.decorators !== decorators
- || node.modifiers !== modifiers
- || node.isTypeOnly !== isTypeOnly
- || node.exportClause !== exportClause
- || node.moduleSpecifier !== moduleSpecifier
- ? updateNode(createExportDeclaration(decorators, modifiers, exportClause, moduleSpecifier, isTypeOnly), node)
- : node;
- }
- ts.updateExportDeclaration = updateExportDeclaration;
- /* @internal */
- function createEmptyExports() {
- return createExportDeclaration(/*decorators*/ undefined, /*modifiers*/ undefined, createNamedExports([]), /*moduleSpecifier*/ undefined);
- }
- ts.createEmptyExports = createEmptyExports;
- function createNamedExports(elements) {
- var node = createSynthesizedNode(261 /* NamedExports */);
- node.elements = createNodeArray(elements);
- return node;
- }
- ts.createNamedExports = createNamedExports;
- function updateNamedExports(node, elements) {
- return node.elements !== elements
- ? updateNode(createNamedExports(elements), node)
- : node;
- }
- ts.updateNamedExports = updateNamedExports;
- function createExportSpecifier(propertyName, name) {
- var node = createSynthesizedNode(263 /* ExportSpecifier */);
- node.propertyName = asName(propertyName);
- node.name = asName(name);
- return node;
- }
- ts.createExportSpecifier = createExportSpecifier;
- function updateExportSpecifier(node, propertyName, name) {
- return node.propertyName !== propertyName
- || node.name !== name
- ? updateNode(createExportSpecifier(propertyName, name), node)
- : node;
- }
- ts.updateExportSpecifier = updateExportSpecifier;
- // Module references
- function createExternalModuleReference(expression) {
- var node = createSynthesizedNode(265 /* ExternalModuleReference */);
- node.expression = expression;
- return node;
- }
- ts.createExternalModuleReference = createExternalModuleReference;
- function updateExternalModuleReference(node, expression) {
- return node.expression !== expression
- ? updateNode(createExternalModuleReference(expression), node)
- : node;
- }
- ts.updateExternalModuleReference = updateExternalModuleReference;
- // JSDoc
- /* @internal */
- function createJSDocTypeExpression(type) {
- var node = createSynthesizedNode(294 /* JSDocTypeExpression */);
- node.type = type;
- return node;
- }
- ts.createJSDocTypeExpression = createJSDocTypeExpression;
- /* @internal */
- function createJSDocTypeTag(typeExpression, comment) {
- var tag = createJSDocTag(320 /* JSDocTypeTag */, "type");
- tag.typeExpression = typeExpression;
- tag.comment = comment;
- return tag;
- }
- ts.createJSDocTypeTag = createJSDocTypeTag;
- /* @internal */
- function createJSDocReturnTag(typeExpression, comment) {
- var tag = createJSDocTag(318 /* JSDocReturnTag */, "returns");
- tag.typeExpression = typeExpression;
- tag.comment = comment;
- return tag;
- }
- ts.createJSDocReturnTag = createJSDocReturnTag;
- /** @internal */
- function createJSDocThisTag(typeExpression) {
- var tag = createJSDocTag(319 /* JSDocThisTag */, "this");
- tag.typeExpression = typeExpression;
- return tag;
- }
- ts.createJSDocThisTag = createJSDocThisTag;
- /* @internal */
- function createJSDocParamTag(name, isBracketed, typeExpression, comment) {
- var tag = createJSDocTag(317 /* JSDocParameterTag */, "param");
- tag.typeExpression = typeExpression;
- tag.name = name;
- tag.isBracketed = isBracketed;
- tag.comment = comment;
- return tag;
- }
- ts.createJSDocParamTag = createJSDocParamTag;
- /* @internal */
- function createJSDocClassTag() {
- return createJSDocTag(310 /* JSDocClassTag */, "class");
- }
- ts.createJSDocClassTag = createJSDocClassTag;
- /* @internal */
- function createJSDocComment(comment, tags) {
- var node = createSynthesizedNode(303 /* JSDocComment */);
- node.comment = comment;
- node.tags = tags;
- return node;
- }
- ts.createJSDocComment = createJSDocComment;
- /* @internal */
- function createJSDocTag(kind, tagName) {
- var node = createSynthesizedNode(kind);
- node.tagName = createIdentifier(tagName);
- return node;
- }
- // JSX
- function createJsxElement(openingElement, children, closingElement) {
- var node = createSynthesizedNode(266 /* JsxElement */);
- node.openingElement = openingElement;
- node.children = createNodeArray(children);
- node.closingElement = closingElement;
- return node;
- }
- ts.createJsxElement = createJsxElement;
- function updateJsxElement(node, openingElement, children, closingElement) {
- return node.openingElement !== openingElement
- || node.children !== children
- || node.closingElement !== closingElement
- ? updateNode(createJsxElement(openingElement, children, closingElement), node)
- : node;
- }
- ts.updateJsxElement = updateJsxElement;
- function createJsxSelfClosingElement(tagName, typeArguments, attributes) {
- var node = createSynthesizedNode(267 /* JsxSelfClosingElement */);
- node.tagName = tagName;
- node.typeArguments = asNodeArray(typeArguments);
- node.attributes = attributes;
- return node;
- }
- ts.createJsxSelfClosingElement = createJsxSelfClosingElement;
- function updateJsxSelfClosingElement(node, tagName, typeArguments, attributes) {
- return node.tagName !== tagName
- || node.typeArguments !== typeArguments
- || node.attributes !== attributes
- ? updateNode(createJsxSelfClosingElement(tagName, typeArguments, attributes), node)
- : node;
- }
- ts.updateJsxSelfClosingElement = updateJsxSelfClosingElement;
- function createJsxOpeningElement(tagName, typeArguments, attributes) {
- var node = createSynthesizedNode(268 /* JsxOpeningElement */);
- node.tagName = tagName;
- node.typeArguments = asNodeArray(typeArguments);
- node.attributes = attributes;
- return node;
- }
- ts.createJsxOpeningElement = createJsxOpeningElement;
- function updateJsxOpeningElement(node, tagName, typeArguments, attributes) {
- return node.tagName !== tagName
- || node.typeArguments !== typeArguments
- || node.attributes !== attributes
- ? updateNode(createJsxOpeningElement(tagName, typeArguments, attributes), node)
- : node;
- }
- ts.updateJsxOpeningElement = updateJsxOpeningElement;
- function createJsxClosingElement(tagName) {
- var node = createSynthesizedNode(269 /* JsxClosingElement */);
- node.tagName = tagName;
- return node;
- }
- ts.createJsxClosingElement = createJsxClosingElement;
- function updateJsxClosingElement(node, tagName) {
- return node.tagName !== tagName
- ? updateNode(createJsxClosingElement(tagName), node)
- : node;
- }
- ts.updateJsxClosingElement = updateJsxClosingElement;
- function createJsxFragment(openingFragment, children, closingFragment) {
- var node = createSynthesizedNode(270 /* JsxFragment */);
- node.openingFragment = openingFragment;
- node.children = createNodeArray(children);
- node.closingFragment = closingFragment;
- return node;
- }
- ts.createJsxFragment = createJsxFragment;
- function createJsxText(text, containsOnlyTriviaWhiteSpaces) {
- var node = createSynthesizedNode(11 /* JsxText */);
- node.text = text;
- node.containsOnlyTriviaWhiteSpaces = !!containsOnlyTriviaWhiteSpaces;
- return node;
- }
- ts.createJsxText = createJsxText;
- function updateJsxText(node, text, containsOnlyTriviaWhiteSpaces) {
- return node.text !== text
- || node.containsOnlyTriviaWhiteSpaces !== containsOnlyTriviaWhiteSpaces
- ? updateNode(createJsxText(text, containsOnlyTriviaWhiteSpaces), node)
- : node;
- }
- ts.updateJsxText = updateJsxText;
- function createJsxOpeningFragment() {
- return createSynthesizedNode(271 /* JsxOpeningFragment */);
- }
- ts.createJsxOpeningFragment = createJsxOpeningFragment;
- function createJsxJsxClosingFragment() {
- return createSynthesizedNode(272 /* JsxClosingFragment */);
- }
- ts.createJsxJsxClosingFragment = createJsxJsxClosingFragment;
- function updateJsxFragment(node, openingFragment, children, closingFragment) {
- return node.openingFragment !== openingFragment
- || node.children !== children
- || node.closingFragment !== closingFragment
- ? updateNode(createJsxFragment(openingFragment, children, closingFragment), node)
- : node;
- }
- ts.updateJsxFragment = updateJsxFragment;
- function createJsxAttribute(name, initializer) {
- var node = createSynthesizedNode(273 /* JsxAttribute */);
- node.name = name;
- node.initializer = initializer;
- return node;
- }
- ts.createJsxAttribute = createJsxAttribute;
- function updateJsxAttribute(node, name, initializer) {
- return node.name !== name
- || node.initializer !== initializer
- ? updateNode(createJsxAttribute(name, initializer), node)
- : node;
- }
- ts.updateJsxAttribute = updateJsxAttribute;
- function createJsxAttributes(properties) {
- var node = createSynthesizedNode(274 /* JsxAttributes */);
- node.properties = createNodeArray(properties);
- return node;
- }
- ts.createJsxAttributes = createJsxAttributes;
- function updateJsxAttributes(node, properties) {
- return node.properties !== properties
- ? updateNode(createJsxAttributes(properties), node)
- : node;
- }
- ts.updateJsxAttributes = updateJsxAttributes;
- function createJsxSpreadAttribute(expression) {
- var node = createSynthesizedNode(275 /* JsxSpreadAttribute */);
- node.expression = expression;
- return node;
- }
- ts.createJsxSpreadAttribute = createJsxSpreadAttribute;
- function updateJsxSpreadAttribute(node, expression) {
- return node.expression !== expression
- ? updateNode(createJsxSpreadAttribute(expression), node)
- : node;
- }
- ts.updateJsxSpreadAttribute = updateJsxSpreadAttribute;
- function createJsxExpression(dotDotDotToken, expression) {
- var node = createSynthesizedNode(276 /* JsxExpression */);
- node.dotDotDotToken = dotDotDotToken;
- node.expression = expression;
- return node;
- }
- ts.createJsxExpression = createJsxExpression;
- function updateJsxExpression(node, expression) {
- return node.expression !== expression
- ? updateNode(createJsxExpression(node.dotDotDotToken, expression), node)
- : node;
- }
- ts.updateJsxExpression = updateJsxExpression;
- // Clauses
- function createCaseClause(expression, statements) {
- var node = createSynthesizedNode(277 /* CaseClause */);
- node.expression = ts.parenthesizeExpressionForList(expression);
- node.statements = createNodeArray(statements);
- return node;
- }
- ts.createCaseClause = createCaseClause;
- function updateCaseClause(node, expression, statements) {
- return node.expression !== expression
- || node.statements !== statements
- ? updateNode(createCaseClause(expression, statements), node)
- : node;
- }
- ts.updateCaseClause = updateCaseClause;
- function createDefaultClause(statements) {
- var node = createSynthesizedNode(278 /* DefaultClause */);
- node.statements = createNodeArray(statements);
- return node;
- }
- ts.createDefaultClause = createDefaultClause;
- function updateDefaultClause(node, statements) {
- return node.statements !== statements
- ? updateNode(createDefaultClause(statements), node)
- : node;
- }
- ts.updateDefaultClause = updateDefaultClause;
- function createHeritageClause(token, types) {
- var node = createSynthesizedNode(279 /* HeritageClause */);
- node.token = token;
- node.types = createNodeArray(types);
- return node;
- }
- ts.createHeritageClause = createHeritageClause;
- function updateHeritageClause(node, types) {
- return node.types !== types
- ? updateNode(createHeritageClause(node.token, types), node)
- : node;
- }
- ts.updateHeritageClause = updateHeritageClause;
- function createCatchClause(variableDeclaration, block) {
- var node = createSynthesizedNode(280 /* CatchClause */);
- node.variableDeclaration = ts.isString(variableDeclaration) ? createVariableDeclaration(variableDeclaration) : variableDeclaration;
- node.block = block;
- return node;
- }
- ts.createCatchClause = createCatchClause;
- function updateCatchClause(node, variableDeclaration, block) {
- return node.variableDeclaration !== variableDeclaration
- || node.block !== block
- ? updateNode(createCatchClause(variableDeclaration, block), node)
- : node;
- }
- ts.updateCatchClause = updateCatchClause;
- // Property assignments
- function createPropertyAssignment(name, initializer) {
- var node = createSynthesizedNode(281 /* PropertyAssignment */);
- node.name = asName(name);
- node.questionToken = undefined;
- node.initializer = ts.parenthesizeExpressionForList(initializer);
- return node;
- }
- ts.createPropertyAssignment = createPropertyAssignment;
- function updatePropertyAssignment(node, name, initializer) {
- return node.name !== name
- || node.initializer !== initializer
- ? updateNode(createPropertyAssignment(name, initializer), node)
- : node;
- }
- ts.updatePropertyAssignment = updatePropertyAssignment;
- function createShorthandPropertyAssignment(name, objectAssignmentInitializer) {
- var node = createSynthesizedNode(282 /* ShorthandPropertyAssignment */);
- node.name = asName(name);
- node.objectAssignmentInitializer = objectAssignmentInitializer !== undefined ? ts.parenthesizeExpressionForList(objectAssignmentInitializer) : undefined;
- return node;
- }
- ts.createShorthandPropertyAssignment = createShorthandPropertyAssignment;
- function updateShorthandPropertyAssignment(node, name, objectAssignmentInitializer) {
- return node.name !== name
- || node.objectAssignmentInitializer !== objectAssignmentInitializer
- ? updateNode(createShorthandPropertyAssignment(name, objectAssignmentInitializer), node)
- : node;
- }
- ts.updateShorthandPropertyAssignment = updateShorthandPropertyAssignment;
- function createSpreadAssignment(expression) {
- var node = createSynthesizedNode(283 /* SpreadAssignment */);
- node.expression = ts.parenthesizeExpressionForList(expression);
- return node;
- }
- ts.createSpreadAssignment = createSpreadAssignment;
- function updateSpreadAssignment(node, expression) {
- return node.expression !== expression
- ? updateNode(createSpreadAssignment(expression), node)
- : node;
- }
- ts.updateSpreadAssignment = updateSpreadAssignment;
- // Enum
- function createEnumMember(name, initializer) {
- var node = createSynthesizedNode(284 /* EnumMember */);
- node.name = asName(name);
- node.initializer = initializer && ts.parenthesizeExpressionForList(initializer);
- return node;
- }
- ts.createEnumMember = createEnumMember;
- function updateEnumMember(node, name, initializer) {
- return node.name !== name
- || node.initializer !== initializer
- ? updateNode(createEnumMember(name, initializer), node)
- : node;
- }
- ts.updateEnumMember = updateEnumMember;
- // Top-level nodes
- function updateSourceFileNode(node, statements, isDeclarationFile, referencedFiles, typeReferences, hasNoDefaultLib, libReferences) {
- if (node.statements !== statements ||
- (isDeclarationFile !== undefined && node.isDeclarationFile !== isDeclarationFile) ||
- (referencedFiles !== undefined && node.referencedFiles !== referencedFiles) ||
- (typeReferences !== undefined && node.typeReferenceDirectives !== typeReferences) ||
- (libReferences !== undefined && node.libReferenceDirectives !== libReferences) ||
- (hasNoDefaultLib !== undefined && node.hasNoDefaultLib !== hasNoDefaultLib)) {
- var updated = createSynthesizedNode(290 /* SourceFile */);
- updated.flags |= node.flags;
- updated.statements = createNodeArray(statements);
- updated.endOfFileToken = node.endOfFileToken;
- updated.fileName = node.fileName;
- updated.path = node.path;
- updated.text = node.text;
- updated.isDeclarationFile = isDeclarationFile === undefined ? node.isDeclarationFile : isDeclarationFile;
- updated.referencedFiles = referencedFiles === undefined ? node.referencedFiles : referencedFiles;
- updated.typeReferenceDirectives = typeReferences === undefined ? node.typeReferenceDirectives : typeReferences;
- updated.hasNoDefaultLib = hasNoDefaultLib === undefined ? node.hasNoDefaultLib : hasNoDefaultLib;
- updated.libReferenceDirectives = libReferences === undefined ? node.libReferenceDirectives : libReferences;
- if (node.amdDependencies !== undefined)
- updated.amdDependencies = node.amdDependencies;
- if (node.moduleName !== undefined)
- updated.moduleName = node.moduleName;
- if (node.languageVariant !== undefined)
- updated.languageVariant = node.languageVariant;
- if (node.renamedDependencies !== undefined)
- updated.renamedDependencies = node.renamedDependencies;
- if (node.languageVersion !== undefined)
- updated.languageVersion = node.languageVersion;
- if (node.scriptKind !== undefined)
- updated.scriptKind = node.scriptKind;
- if (node.externalModuleIndicator !== undefined)
- updated.externalModuleIndicator = node.externalModuleIndicator;
- if (node.commonJsModuleIndicator !== undefined)
- updated.commonJsModuleIndicator = node.commonJsModuleIndicator;
- if (node.identifiers !== undefined)
- updated.identifiers = node.identifiers;
- if (node.nodeCount !== undefined)
- updated.nodeCount = node.nodeCount;
- if (node.identifierCount !== undefined)
- updated.identifierCount = node.identifierCount;
- if (node.symbolCount !== undefined)
- updated.symbolCount = node.symbolCount;
- if (node.parseDiagnostics !== undefined)
- updated.parseDiagnostics = node.parseDiagnostics;
- if (node.bindDiagnostics !== undefined)
- updated.bindDiagnostics = node.bindDiagnostics;
- if (node.bindSuggestionDiagnostics !== undefined)
- updated.bindSuggestionDiagnostics = node.bindSuggestionDiagnostics;
- if (node.lineMap !== undefined)
- updated.lineMap = node.lineMap;
- if (node.classifiableNames !== undefined)
- updated.classifiableNames = node.classifiableNames;
- if (node.resolvedModules !== undefined)
- updated.resolvedModules = node.resolvedModules;
- if (node.resolvedTypeReferenceDirectiveNames !== undefined)
- updated.resolvedTypeReferenceDirectiveNames = node.resolvedTypeReferenceDirectiveNames;
- if (node.imports !== undefined)
- updated.imports = node.imports;
- if (node.moduleAugmentations !== undefined)
- updated.moduleAugmentations = node.moduleAugmentations;
- if (node.pragmas !== undefined)
- updated.pragmas = node.pragmas;
- if (node.localJsxFactory !== undefined)
- updated.localJsxFactory = node.localJsxFactory;
- if (node.localJsxNamespace !== undefined)
- updated.localJsxNamespace = node.localJsxNamespace;
- return updateNode(updated, node);
- }
- return node;
- }
- ts.updateSourceFileNode = updateSourceFileNode;
- /**
- * Creates a shallow, memberwise clone of a node for mutation.
- */
- function getMutableClone(node) {
- var clone = getSynthesizedClone(node);
- clone.pos = node.pos;
- clone.end = node.end;
- clone.parent = node.parent;
- return clone;
- }
- ts.getMutableClone = getMutableClone;
- // Transformation nodes
- /**
- * Creates a synthetic statement to act as a placeholder for a not-emitted statement in
- * order to preserve comments.
- *
- * @param original The original statement.
- */
- function createNotEmittedStatement(original) {
- var node = createSynthesizedNode(325 /* NotEmittedStatement */);
- node.original = original;
- setTextRange(node, original);
- return node;
- }
- ts.createNotEmittedStatement = createNotEmittedStatement;
- /**
- * Creates a synthetic element to act as a placeholder for the end of an emitted declaration in
- * order to properly emit exports.
- */
- /* @internal */
- function createEndOfDeclarationMarker(original) {
- var node = createSynthesizedNode(329 /* EndOfDeclarationMarker */);
- node.emitNode = {};
- node.original = original;
- return node;
- }
- ts.createEndOfDeclarationMarker = createEndOfDeclarationMarker;
- /**
- * Creates a synthetic element to act as a placeholder for the beginning of a merged declaration in
- * order to properly emit exports.
- */
- /* @internal */
- function createMergeDeclarationMarker(original) {
- var node = createSynthesizedNode(328 /* MergeDeclarationMarker */);
- node.emitNode = {};
- node.original = original;
- return node;
- }
- ts.createMergeDeclarationMarker = createMergeDeclarationMarker;
- /**
- * Creates a synthetic expression to act as a placeholder for a not-emitted expression in
- * order to preserve comments or sourcemap positions.
- *
- * @param expression The inner expression to emit.
- * @param original The original outer expression.
- * @param location The location for the expression. Defaults to the positions from "original" if provided.
- */
- function createPartiallyEmittedExpression(expression, original) {
- var node = createSynthesizedNode(326 /* PartiallyEmittedExpression */);
- node.expression = expression;
- node.original = original;
- setTextRange(node, original);
- return node;
- }
- ts.createPartiallyEmittedExpression = createPartiallyEmittedExpression;
- function updatePartiallyEmittedExpression(node, expression) {
- if (node.expression !== expression) {
- return updateNode(createPartiallyEmittedExpression(expression, node.original), node);
- }
- return node;
- }
- ts.updatePartiallyEmittedExpression = updatePartiallyEmittedExpression;
- function flattenCommaElements(node) {
- if (ts.nodeIsSynthesized(node) && !ts.isParseTreeNode(node) && !node.original && !node.emitNode && !node.id) {
- if (node.kind === 327 /* CommaListExpression */) {
- return node.elements;
- }
- if (ts.isBinaryExpression(node) && node.operatorToken.kind === 27 /* CommaToken */) {
- return [node.left, node.right];
- }
- }
- return node;
- }
- function createCommaList(elements) {
- var node = createSynthesizedNode(327 /* CommaListExpression */);
- node.elements = createNodeArray(ts.sameFlatMap(elements, flattenCommaElements));
- return node;
- }
- ts.createCommaList = createCommaList;
- function updateCommaList(node, elements) {
- return node.elements !== elements
- ? updateNode(createCommaList(elements), node)
- : node;
- }
- ts.updateCommaList = updateCommaList;
- /* @internal */
- function createSyntheticReferenceExpression(expression, thisArg) {
- var node = createSynthesizedNode(330 /* SyntheticReferenceExpression */);
- node.expression = expression;
- node.thisArg = thisArg;
- return node;
- }
- ts.createSyntheticReferenceExpression = createSyntheticReferenceExpression;
- /* @internal */
- function updateSyntheticReferenceExpression(node, expression, thisArg) {
- return node.expression !== expression
- || node.thisArg !== thisArg
- ? updateNode(createSyntheticReferenceExpression(expression, thisArg), node)
- : node;
- }
- ts.updateSyntheticReferenceExpression = updateSyntheticReferenceExpression;
- function createBundle(sourceFiles, prepends) {
- if (prepends === void 0) { prepends = ts.emptyArray; }
- var node = ts.createNode(291 /* Bundle */);
- node.prepends = prepends;
- node.sourceFiles = sourceFiles;
- return node;
- }
- ts.createBundle = createBundle;
- var allUnscopedEmitHelpers;
- function getAllUnscopedEmitHelpers() {
- return allUnscopedEmitHelpers || (allUnscopedEmitHelpers = ts.arrayToMap([
- ts.valuesHelper,
- ts.readHelper,
- ts.spreadHelper,
- ts.spreadArraysHelper,
- ts.restHelper,
- ts.decorateHelper,
- ts.metadataHelper,
- ts.paramHelper,
- ts.awaiterHelper,
- ts.assignHelper,
- ts.awaitHelper,
- ts.asyncGeneratorHelper,
- ts.asyncDelegator,
- ts.asyncValues,
- ts.extendsHelper,
- ts.templateObjectHelper,
- ts.generatorHelper,
- ts.importStarHelper,
- ts.importDefaultHelper,
- ts.classPrivateFieldGetHelper,
- ts.classPrivateFieldSetHelper,
- ts.createBindingHelper,
- ts.setModuleDefaultHelper
- ], function (helper) { return helper.name; }));
- }
- function createUnparsedSource() {
- var node = ts.createNode(292 /* UnparsedSource */);
- node.prologues = ts.emptyArray;
- node.referencedFiles = ts.emptyArray;
- node.libReferenceDirectives = ts.emptyArray;
- node.getLineAndCharacterOfPosition = function (pos) { return ts.getLineAndCharacterOfPosition(node, pos); };
- return node;
- }
- function createUnparsedSourceFile(textOrInputFiles, mapPathOrType, mapTextOrStripInternal) {
- var node = createUnparsedSource();
- var stripInternal;
- var bundleFileInfo;
- if (!ts.isString(textOrInputFiles)) {
- ts.Debug.assert(mapPathOrType === "js" || mapPathOrType === "dts");
- node.fileName = (mapPathOrType === "js" ? textOrInputFiles.javascriptPath : textOrInputFiles.declarationPath) || "";
- node.sourceMapPath = mapPathOrType === "js" ? textOrInputFiles.javascriptMapPath : textOrInputFiles.declarationMapPath;
- Object.defineProperties(node, {
- text: { get: function () { return mapPathOrType === "js" ? textOrInputFiles.javascriptText : textOrInputFiles.declarationText; } },
- sourceMapText: { get: function () { return mapPathOrType === "js" ? textOrInputFiles.javascriptMapText : textOrInputFiles.declarationMapText; } },
- });
- if (textOrInputFiles.buildInfo && textOrInputFiles.buildInfo.bundle) {
- node.oldFileOfCurrentEmit = textOrInputFiles.oldFileOfCurrentEmit;
- ts.Debug.assert(mapTextOrStripInternal === undefined || typeof mapTextOrStripInternal === "boolean");
- stripInternal = mapTextOrStripInternal;
- bundleFileInfo = mapPathOrType === "js" ? textOrInputFiles.buildInfo.bundle.js : textOrInputFiles.buildInfo.bundle.dts;
- if (node.oldFileOfCurrentEmit) {
- parseOldFileOfCurrentEmit(node, ts.Debug.checkDefined(bundleFileInfo));
- return node;
- }
- }
- }
- else {
- node.fileName = "";
- node.text = textOrInputFiles;
- node.sourceMapPath = mapPathOrType;
- node.sourceMapText = mapTextOrStripInternal;
- }
- ts.Debug.assert(!node.oldFileOfCurrentEmit);
- parseUnparsedSourceFile(node, bundleFileInfo, stripInternal);
- return node;
- }
- ts.createUnparsedSourceFile = createUnparsedSourceFile;
- function parseUnparsedSourceFile(node, bundleFileInfo, stripInternal) {
- var prologues;
- var helpers;
- var referencedFiles;
- var typeReferenceDirectives;
- var libReferenceDirectives;
- var texts;
- for (var _i = 0, _a = bundleFileInfo ? bundleFileInfo.sections : ts.emptyArray; _i < _a.length; _i++) {
- var section = _a[_i];
- switch (section.kind) {
- case "prologue" /* Prologue */:
- (prologues || (prologues = [])).push(createUnparsedNode(section, node));
- break;
- case "emitHelpers" /* EmitHelpers */:
- (helpers || (helpers = [])).push(getAllUnscopedEmitHelpers().get(section.data));
- break;
- case "no-default-lib" /* NoDefaultLib */:
- node.hasNoDefaultLib = true;
- break;
- case "reference" /* Reference */:
- (referencedFiles || (referencedFiles = [])).push({ pos: -1, end: -1, fileName: section.data });
- break;
- case "type" /* Type */:
- (typeReferenceDirectives || (typeReferenceDirectives = [])).push(section.data);
- break;
- case "lib" /* Lib */:
- (libReferenceDirectives || (libReferenceDirectives = [])).push({ pos: -1, end: -1, fileName: section.data });
- break;
- case "prepend" /* Prepend */:
- var prependNode = createUnparsedNode(section, node);
- var prependTexts = void 0;
- for (var _b = 0, _c = section.texts; _b < _c.length; _b++) {
- var text = _c[_b];
- if (!stripInternal || text.kind !== "internal" /* Internal */) {
- (prependTexts || (prependTexts = [])).push(createUnparsedNode(text, node));
- }
- }
- prependNode.texts = prependTexts || ts.emptyArray;
- (texts || (texts = [])).push(prependNode);
- break;
- case "internal" /* Internal */:
- if (stripInternal) {
- if (!texts)
- texts = [];
- break;
- }
- // falls through
- case "text" /* Text */:
- (texts || (texts = [])).push(createUnparsedNode(section, node));
- break;
- default:
- ts.Debug.assertNever(section);
- }
- }
- node.prologues = prologues || ts.emptyArray;
- node.helpers = helpers;
- node.referencedFiles = referencedFiles || ts.emptyArray;
- node.typeReferenceDirectives = typeReferenceDirectives;
- node.libReferenceDirectives = libReferenceDirectives || ts.emptyArray;
- node.texts = texts || [createUnparsedNode({ kind: "text" /* Text */, pos: 0, end: node.text.length }, node)];
- }
- function parseOldFileOfCurrentEmit(node, bundleFileInfo) {
- ts.Debug.assert(!!node.oldFileOfCurrentEmit);
- var texts;
- var syntheticReferences;
- for (var _i = 0, _a = bundleFileInfo.sections; _i < _a.length; _i++) {
- var section = _a[_i];
- switch (section.kind) {
- case "internal" /* Internal */:
- case "text" /* Text */:
- (texts || (texts = [])).push(createUnparsedNode(section, node));
- break;
- case "no-default-lib" /* NoDefaultLib */:
- case "reference" /* Reference */:
- case "type" /* Type */:
- case "lib" /* Lib */:
- (syntheticReferences || (syntheticReferences = [])).push(createUnparsedSyntheticReference(section, node));
- break;
- // Ignore
- case "prologue" /* Prologue */:
- case "emitHelpers" /* EmitHelpers */:
- case "prepend" /* Prepend */:
- break;
- default:
- ts.Debug.assertNever(section);
- }
- }
- node.texts = texts || ts.emptyArray;
- node.helpers = ts.map(bundleFileInfo.sources && bundleFileInfo.sources.helpers, function (name) { return getAllUnscopedEmitHelpers().get(name); });
- node.syntheticReferences = syntheticReferences;
- return node;
- }
- function mapBundleFileSectionKindToSyntaxKind(kind) {
- switch (kind) {
- case "prologue" /* Prologue */: return 285 /* UnparsedPrologue */;
- case "prepend" /* Prepend */: return 286 /* UnparsedPrepend */;
- case "internal" /* Internal */: return 288 /* UnparsedInternalText */;
- case "text" /* Text */: return 287 /* UnparsedText */;
- case "emitHelpers" /* EmitHelpers */:
- case "no-default-lib" /* NoDefaultLib */:
- case "reference" /* Reference */:
- case "type" /* Type */:
- case "lib" /* Lib */:
- return ts.Debug.fail("BundleFileSectionKind: " + kind + " not yet mapped to SyntaxKind");
- default:
- return ts.Debug.assertNever(kind);
- }
- }
- function createUnparsedNode(section, parent) {
- var node = ts.createNode(mapBundleFileSectionKindToSyntaxKind(section.kind), section.pos, section.end);
- node.parent = parent;
- node.data = section.data;
- return node;
- }
- function createUnparsedSyntheticReference(section, parent) {
- var node = ts.createNode(289 /* UnparsedSyntheticReference */, section.pos, section.end);
- node.parent = parent;
- node.data = section.data;
- node.section = section;
- return node;
- }
- function createInputFiles(javascriptTextOrReadFileText, declarationTextOrJavascriptPath, javascriptMapPath, javascriptMapTextOrDeclarationPath, declarationMapPath, declarationMapTextOrBuildInfoPath, javascriptPath, declarationPath, buildInfoPath, buildInfo, oldFileOfCurrentEmit) {
- var node = ts.createNode(293 /* InputFiles */);
- if (!ts.isString(javascriptTextOrReadFileText)) {
- var cache_1 = ts.createMap();
- var textGetter_1 = function (path) {
- if (path === undefined)
- return undefined;
- var value = cache_1.get(path);
- if (value === undefined) {
- value = javascriptTextOrReadFileText(path);
- cache_1.set(path, value !== undefined ? value : false);
- }
- return value !== false ? value : undefined;
- };
- var definedTextGetter_1 = function (path) {
- var result = textGetter_1(path);
- return result !== undefined ? result : "/* Input file " + path + " was missing */\r\n";
- };
- var buildInfo_1;
- var getAndCacheBuildInfo_1 = function (getText) {
- if (buildInfo_1 === undefined) {
- var result = getText();
- buildInfo_1 = result !== undefined ? ts.getBuildInfo(result) : false;
- }
- return buildInfo_1 || undefined;
- };
- node.javascriptPath = declarationTextOrJavascriptPath;
- node.javascriptMapPath = javascriptMapPath;
- node.declarationPath = ts.Debug.checkDefined(javascriptMapTextOrDeclarationPath);
- node.declarationMapPath = declarationMapPath;
- node.buildInfoPath = declarationMapTextOrBuildInfoPath;
- Object.defineProperties(node, {
- javascriptText: { get: function () { return definedTextGetter_1(declarationTextOrJavascriptPath); } },
- javascriptMapText: { get: function () { return textGetter_1(javascriptMapPath); } },
- declarationText: { get: function () { return definedTextGetter_1(ts.Debug.checkDefined(javascriptMapTextOrDeclarationPath)); } },
- declarationMapText: { get: function () { return textGetter_1(declarationMapPath); } },
- buildInfo: { get: function () { return getAndCacheBuildInfo_1(function () { return textGetter_1(declarationMapTextOrBuildInfoPath); }); } }
- });
- }
- else {
- node.javascriptText = javascriptTextOrReadFileText;
- node.javascriptMapPath = javascriptMapPath;
- node.javascriptMapText = javascriptMapTextOrDeclarationPath;
- node.declarationText = declarationTextOrJavascriptPath;
- node.declarationMapPath = declarationMapPath;
- node.declarationMapText = declarationMapTextOrBuildInfoPath;
- node.javascriptPath = javascriptPath;
- node.declarationPath = declarationPath;
- node.buildInfoPath = buildInfoPath;
- node.buildInfo = buildInfo;
- node.oldFileOfCurrentEmit = oldFileOfCurrentEmit;
- }
- return node;
- }
- ts.createInputFiles = createInputFiles;
- function updateBundle(node, sourceFiles, prepends) {
- if (prepends === void 0) { prepends = ts.emptyArray; }
- if (node.sourceFiles !== sourceFiles || node.prepends !== prepends) {
- return createBundle(sourceFiles, prepends);
- }
- return node;
- }
- ts.updateBundle = updateBundle;
- function createImmediatelyInvokedFunctionExpression(statements, param, paramValue) {
- return createCall(createFunctionExpression(
- /*modifiers*/ undefined,
- /*asteriskToken*/ undefined,
- /*name*/ undefined,
- /*typeParameters*/ undefined,
- /*parameters*/ param ? [param] : [],
- /*type*/ undefined, createBlock(statements, /*multiLine*/ true)),
- /*typeArguments*/ undefined,
- /*argumentsArray*/ paramValue ? [paramValue] : []);
- }
- ts.createImmediatelyInvokedFunctionExpression = createImmediatelyInvokedFunctionExpression;
- function createImmediatelyInvokedArrowFunction(statements, param, paramValue) {
- return createCall(createArrowFunction(
- /*modifiers*/ undefined,
- /*typeParameters*/ undefined,
- /*parameters*/ param ? [param] : [],
- /*type*/ undefined,
- /*equalsGreaterThanToken*/ undefined, createBlock(statements, /*multiLine*/ true)),
- /*typeArguments*/ undefined,
- /*argumentsArray*/ paramValue ? [paramValue] : []);
- }
- ts.createImmediatelyInvokedArrowFunction = createImmediatelyInvokedArrowFunction;
- function createComma(left, right) {
- return createBinary(left, 27 /* CommaToken */, right);
- }
- ts.createComma = createComma;
- function createLessThan(left, right) {
- return createBinary(left, 29 /* LessThanToken */, right);
- }
- ts.createLessThan = createLessThan;
- function createAssignment(left, right) {
- return createBinary(left, 62 /* EqualsToken */, right);
- }
- ts.createAssignment = createAssignment;
- function createStrictEquality(left, right) {
- return createBinary(left, 36 /* EqualsEqualsEqualsToken */, right);
- }
- ts.createStrictEquality = createStrictEquality;
- function createStrictInequality(left, right) {
- return createBinary(left, 37 /* ExclamationEqualsEqualsToken */, right);
- }
- ts.createStrictInequality = createStrictInequality;
- function createAdd(left, right) {
- return createBinary(left, 39 /* PlusToken */, right);
- }
- ts.createAdd = createAdd;
- function createSubtract(left, right) {
- return createBinary(left, 40 /* MinusToken */, right);
- }
- ts.createSubtract = createSubtract;
- function createPostfixIncrement(operand) {
- return createPostfix(operand, 45 /* PlusPlusToken */);
- }
- ts.createPostfixIncrement = createPostfixIncrement;
- function createLogicalAnd(left, right) {
- return createBinary(left, 55 /* AmpersandAmpersandToken */, right);
- }
- ts.createLogicalAnd = createLogicalAnd;
- function createLogicalOr(left, right) {
- return createBinary(left, 56 /* BarBarToken */, right);
- }
- ts.createLogicalOr = createLogicalOr;
- function createNullishCoalesce(left, right) {
- return createBinary(left, 60 /* QuestionQuestionToken */, right);
- }
- ts.createNullishCoalesce = createNullishCoalesce;
- function createLogicalNot(operand) {
- return createPrefix(53 /* ExclamationToken */, operand);
- }
- ts.createLogicalNot = createLogicalNot;
- function createVoidZero() {
- return createVoid(createLiteral(0));
- }
- ts.createVoidZero = createVoidZero;
- function createExportDefault(expression) {
- return createExportAssignment(/*decorators*/ undefined, /*modifiers*/ undefined, /*isExportEquals*/ false, expression);
- }
- ts.createExportDefault = createExportDefault;
- function createExternalModuleExport(exportName) {
- return createExportDeclaration(/*decorators*/ undefined, /*modifiers*/ undefined, createNamedExports([createExportSpecifier(/*propertyName*/ undefined, exportName)]));
- }
- ts.createExternalModuleExport = createExternalModuleExport;
- // Utilities
- function asName(name) {
- return ts.isString(name) ? createIdentifier(name) : name;
- }
- function asExpression(value) {
- return typeof value === "string" ? createStringLiteral(value) :
- typeof value === "number" ? createNumericLiteral("" + value) :
- typeof value === "boolean" ? value ? createTrue() : createFalse() :
- value;
- }
- function asNodeArray(array) {
- return array ? createNodeArray(array) : undefined;
- }
- function asToken(value) {
- return typeof value === "number" ? createToken(value) : value;
- }
- function asEmbeddedStatement(statement) {
- return statement && ts.isNotEmittedStatement(statement) ? setTextRange(setOriginalNode(createEmptyStatement(), statement), statement) : statement;
- }
- /**
- * Clears any EmitNode entries from parse-tree nodes.
- * @param sourceFile A source file.
- */
- function disposeEmitNodes(sourceFile) {
- // During transformation we may need to annotate a parse tree node with transient
- // transformation properties. As parse tree nodes live longer than transformation
- // nodes, we need to make sure we reclaim any memory allocated for custom ranges
- // from these nodes to ensure we do not hold onto entire subtrees just for position
- // information. We also need to reset these nodes to a pre-transformation state
- // for incremental parsing scenarios so that we do not impact later emit.
- sourceFile = ts.getSourceFileOfNode(ts.getParseTreeNode(sourceFile));
- var emitNode = sourceFile && sourceFile.emitNode;
- var annotatedNodes = emitNode && emitNode.annotatedNodes;
- if (annotatedNodes) {
- for (var _i = 0, annotatedNodes_1 = annotatedNodes; _i < annotatedNodes_1.length; _i++) {
- var node = annotatedNodes_1[_i];
- node.emitNode = undefined;
- }
- }
- }
- ts.disposeEmitNodes = disposeEmitNodes;
- /**
- * Associates a node with the current transformation, initializing
- * various transient transformation properties.
- */
- /* @internal */
- function getOrCreateEmitNode(node) {
- if (!node.emitNode) {
- if (ts.isParseTreeNode(node)) {
- // To avoid holding onto transformation artifacts, we keep track of any
- // parse tree node we are annotating. This allows us to clean them up after
- // all transformations have completed.
- if (node.kind === 290 /* SourceFile */) {
- return node.emitNode = { annotatedNodes: [node] };
- }
- var sourceFile = ts.getSourceFileOfNode(ts.getParseTreeNode(ts.getSourceFileOfNode(node)));
- getOrCreateEmitNode(sourceFile).annotatedNodes.push(node);
- }
- node.emitNode = {};
- }
- return node.emitNode;
- }
- ts.getOrCreateEmitNode = getOrCreateEmitNode;
- /**
- * Sets `EmitFlags.NoComments` on a node and removes any leading and trailing synthetic comments.
- * @internal
- */
- function removeAllComments(node) {
- var emitNode = getOrCreateEmitNode(node);
- emitNode.flags |= 1536 /* NoComments */;
- emitNode.leadingComments = undefined;
- emitNode.trailingComments = undefined;
- return node;
- }
- ts.removeAllComments = removeAllComments;
- function setTextRange(range, location) {
- if (location) {
- range.pos = location.pos;
- range.end = location.end;
- }
- return range;
- }
- ts.setTextRange = setTextRange;
- /**
- * Sets flags that control emit behavior of a node.
- */
- function setEmitFlags(node, emitFlags) {
- getOrCreateEmitNode(node).flags = emitFlags;
- return node;
- }
- ts.setEmitFlags = setEmitFlags;
- /**
- * Sets flags that control emit behavior of a node.
- */
- /* @internal */
- function addEmitFlags(node, emitFlags) {
- var emitNode = getOrCreateEmitNode(node);
- emitNode.flags = emitNode.flags | emitFlags;
- return node;
- }
- ts.addEmitFlags = addEmitFlags;
- /**
- * Gets a custom text range to use when emitting source maps.
- */
- function getSourceMapRange(node) {
- var emitNode = node.emitNode;
- return (emitNode && emitNode.sourceMapRange) || node;
- }
- ts.getSourceMapRange = getSourceMapRange;
- /**
- * Sets a custom text range to use when emitting source maps.
- */
- function setSourceMapRange(node, range) {
- getOrCreateEmitNode(node).sourceMapRange = range;
- return node;
- }
- ts.setSourceMapRange = setSourceMapRange;
- var SourceMapSource;
- /**
- * Create an external source map source file reference
- */
- function createSourceMapSource(fileName, text, skipTrivia) {
- return new (SourceMapSource || (SourceMapSource = ts.objectAllocator.getSourceMapSourceConstructor()))(fileName, text, skipTrivia);
- }
- ts.createSourceMapSource = createSourceMapSource;
- /**
- * Gets the TextRange to use for source maps for a token of a node.
- */
- function getTokenSourceMapRange(node, token) {
- var emitNode = node.emitNode;
- var tokenSourceMapRanges = emitNode && emitNode.tokenSourceMapRanges;
- return tokenSourceMapRanges && tokenSourceMapRanges[token];
- }
- ts.getTokenSourceMapRange = getTokenSourceMapRange;
- /**
- * Sets the TextRange to use for source maps for a token of a node.
- */
- function setTokenSourceMapRange(node, token, range) {
- var emitNode = getOrCreateEmitNode(node);
- var tokenSourceMapRanges = emitNode.tokenSourceMapRanges || (emitNode.tokenSourceMapRanges = []);
- tokenSourceMapRanges[token] = range;
- return node;
- }
- ts.setTokenSourceMapRange = setTokenSourceMapRange;
- /**
- * Gets a custom text range to use when emitting comments.
- */
- /*@internal*/
- function getStartsOnNewLine(node) {
- var emitNode = node.emitNode;
- return emitNode && emitNode.startsOnNewLine;
- }
- ts.getStartsOnNewLine = getStartsOnNewLine;
- /**
- * Sets a custom text range to use when emitting comments.
- */
- /*@internal*/
- function setStartsOnNewLine(node, newLine) {
- getOrCreateEmitNode(node).startsOnNewLine = newLine;
- return node;
- }
- ts.setStartsOnNewLine = setStartsOnNewLine;
- /**
- * Gets a custom text range to use when emitting comments.
- */
- function getCommentRange(node) {
- var emitNode = node.emitNode;
- return (emitNode && emitNode.commentRange) || node;
- }
- ts.getCommentRange = getCommentRange;
- /**
- * Sets a custom text range to use when emitting comments.
- */
- function setCommentRange(node, range) {
- getOrCreateEmitNode(node).commentRange = range;
- return node;
- }
- ts.setCommentRange = setCommentRange;
- function getSyntheticLeadingComments(node) {
- var emitNode = node.emitNode;
- return emitNode && emitNode.leadingComments;
- }
- ts.getSyntheticLeadingComments = getSyntheticLeadingComments;
- function setSyntheticLeadingComments(node, comments) {
- getOrCreateEmitNode(node).leadingComments = comments;
- return node;
- }
- ts.setSyntheticLeadingComments = setSyntheticLeadingComments;
- function addSyntheticLeadingComment(node, kind, text, hasTrailingNewLine) {
- return setSyntheticLeadingComments(node, ts.append(getSyntheticLeadingComments(node), { kind: kind, pos: -1, end: -1, hasTrailingNewLine: hasTrailingNewLine, text: text }));
- }
- ts.addSyntheticLeadingComment = addSyntheticLeadingComment;
- function getSyntheticTrailingComments(node) {
- var emitNode = node.emitNode;
- return emitNode && emitNode.trailingComments;
- }
- ts.getSyntheticTrailingComments = getSyntheticTrailingComments;
- function setSyntheticTrailingComments(node, comments) {
- getOrCreateEmitNode(node).trailingComments = comments;
- return node;
- }
- ts.setSyntheticTrailingComments = setSyntheticTrailingComments;
- function addSyntheticTrailingComment(node, kind, text, hasTrailingNewLine) {
- return setSyntheticTrailingComments(node, ts.append(getSyntheticTrailingComments(node), { kind: kind, pos: -1, end: -1, hasTrailingNewLine: hasTrailingNewLine, text: text }));
- }
- ts.addSyntheticTrailingComment = addSyntheticTrailingComment;
- function moveSyntheticComments(node, original) {
- setSyntheticLeadingComments(node, getSyntheticLeadingComments(original));
- setSyntheticTrailingComments(node, getSyntheticTrailingComments(original));
- var emit = getOrCreateEmitNode(original);
- emit.leadingComments = undefined;
- emit.trailingComments = undefined;
- return node;
- }
- ts.moveSyntheticComments = moveSyntheticComments;
- /** @internal */
- function ignoreSourceNewlines(node) {
- getOrCreateEmitNode(node).flags |= 134217728 /* IgnoreSourceNewlines */;
- return node;
- }
- ts.ignoreSourceNewlines = ignoreSourceNewlines;
- /**
- * Gets the constant value to emit for an expression.
- */
- function getConstantValue(node) {
- var emitNode = node.emitNode;
- return emitNode && emitNode.constantValue;
- }
- ts.getConstantValue = getConstantValue;
- /**
- * Sets the constant value to emit for an expression.
- */
- function setConstantValue(node, value) {
- var emitNode = getOrCreateEmitNode(node);
- emitNode.constantValue = value;
- return node;
- }
- ts.setConstantValue = setConstantValue;
- /**
- * Adds an EmitHelper to a node.
- */
- function addEmitHelper(node, helper) {
- var emitNode = getOrCreateEmitNode(node);
- emitNode.helpers = ts.append(emitNode.helpers, helper);
- return node;
- }
- ts.addEmitHelper = addEmitHelper;
- /**
- * Add EmitHelpers to a node.
- */
- function addEmitHelpers(node, helpers) {
- if (ts.some(helpers)) {
- var emitNode = getOrCreateEmitNode(node);
- for (var _i = 0, helpers_1 = helpers; _i < helpers_1.length; _i++) {
- var helper = helpers_1[_i];
- emitNode.helpers = ts.appendIfUnique(emitNode.helpers, helper);
- }
- }
- return node;
- }
- ts.addEmitHelpers = addEmitHelpers;
- /**
- * Removes an EmitHelper from a node.
- */
- function removeEmitHelper(node, helper) {
- var emitNode = node.emitNode;
- if (emitNode) {
- var helpers = emitNode.helpers;
- if (helpers) {
- return ts.orderedRemoveItem(helpers, helper);
- }
- }
- return false;
- }
- ts.removeEmitHelper = removeEmitHelper;
- /**
- * Gets the EmitHelpers of a node.
- */
- function getEmitHelpers(node) {
- var emitNode = node.emitNode;
- return emitNode && emitNode.helpers;
- }
- ts.getEmitHelpers = getEmitHelpers;
- /**
- * Moves matching emit helpers from a source node to a target node.
- */
- function moveEmitHelpers(source, target, predicate) {
- var sourceEmitNode = source.emitNode;
- var sourceEmitHelpers = sourceEmitNode && sourceEmitNode.helpers;
- if (!ts.some(sourceEmitHelpers))
- return;
- var targetEmitNode = getOrCreateEmitNode(target);
- var helpersRemoved = 0;
- for (var i = 0; i < sourceEmitHelpers.length; i++) {
- var helper = sourceEmitHelpers[i];
- if (predicate(helper)) {
- helpersRemoved++;
- targetEmitNode.helpers = ts.appendIfUnique(targetEmitNode.helpers, helper);
- }
- else if (helpersRemoved > 0) {
- sourceEmitHelpers[i - helpersRemoved] = helper;
- }
- }
- if (helpersRemoved > 0) {
- sourceEmitHelpers.length -= helpersRemoved;
- }
- }
- ts.moveEmitHelpers = moveEmitHelpers;
- /* @internal */
- function compareEmitHelpers(x, y) {
- if (x === y)
- return 0 /* EqualTo */;
- if (x.priority === y.priority)
- return 0 /* EqualTo */;
- if (x.priority === undefined)
- return 1 /* GreaterThan */;
- if (y.priority === undefined)
- return -1 /* LessThan */;
- return ts.compareValues(x.priority, y.priority);
- }
- ts.compareEmitHelpers = compareEmitHelpers;
- function setOriginalNode(node, original) {
- node.original = original;
- if (original) {
- var emitNode = original.emitNode;
- if (emitNode)
- node.emitNode = mergeEmitNode(emitNode, node.emitNode);
- }
- return node;
- }
- ts.setOriginalNode = setOriginalNode;
- function mergeEmitNode(sourceEmitNode, destEmitNode) {
- var flags = sourceEmitNode.flags, leadingComments = sourceEmitNode.leadingComments, trailingComments = sourceEmitNode.trailingComments, commentRange = sourceEmitNode.commentRange, sourceMapRange = sourceEmitNode.sourceMapRange, tokenSourceMapRanges = sourceEmitNode.tokenSourceMapRanges, constantValue = sourceEmitNode.constantValue, helpers = sourceEmitNode.helpers, startsOnNewLine = sourceEmitNode.startsOnNewLine;
- if (!destEmitNode)
- destEmitNode = {};
- // We are using `.slice()` here in case `destEmitNode.leadingComments` is pushed to later.
- if (leadingComments)
- destEmitNode.leadingComments = ts.addRange(leadingComments.slice(), destEmitNode.leadingComments);
- if (trailingComments)
- destEmitNode.trailingComments = ts.addRange(trailingComments.slice(), destEmitNode.trailingComments);
- if (flags)
- destEmitNode.flags = flags;
- if (commentRange)
- destEmitNode.commentRange = commentRange;
- if (sourceMapRange)
- destEmitNode.sourceMapRange = sourceMapRange;
- if (tokenSourceMapRanges)
- destEmitNode.tokenSourceMapRanges = mergeTokenSourceMapRanges(tokenSourceMapRanges, destEmitNode.tokenSourceMapRanges);
- if (constantValue !== undefined)
- destEmitNode.constantValue = constantValue;
- if (helpers)
- destEmitNode.helpers = ts.addRange(destEmitNode.helpers, helpers);
- if (startsOnNewLine !== undefined)
- destEmitNode.startsOnNewLine = startsOnNewLine;
- return destEmitNode;
- }
- function mergeTokenSourceMapRanges(sourceRanges, destRanges) {
- if (!destRanges)
- destRanges = [];
- for (var key in sourceRanges) {
- destRanges[key] = sourceRanges[key];
- }
- return destRanges;
- }
-})(ts || (ts = {}));
-/* @internal */
-var ts;
-(function (ts) {
- ts.nullTransformationContext = {
- enableEmitNotification: ts.noop,
- enableSubstitution: ts.noop,
- endLexicalEnvironment: ts.returnUndefined,
- getCompilerOptions: function () { return ({}); },
- getEmitHost: ts.notImplemented,
- getEmitResolver: ts.notImplemented,
- setLexicalEnvironmentFlags: ts.noop,
- getLexicalEnvironmentFlags: function () { return 0; },
- hoistFunctionDeclaration: ts.noop,
- hoistVariableDeclaration: ts.noop,
- addInitializationStatement: ts.noop,
- isEmitNotificationEnabled: ts.notImplemented,
- isSubstitutionEnabled: ts.notImplemented,
- onEmitNode: ts.noop,
- onSubstituteNode: ts.notImplemented,
- readEmitHelpers: ts.notImplemented,
- requestEmitHelper: ts.noop,
- resumeLexicalEnvironment: ts.noop,
- startLexicalEnvironment: ts.noop,
- suspendLexicalEnvironment: ts.noop,
- addDiagnostic: ts.noop,
- };
- function createTypeCheck(value, tag) {
- return tag === "undefined"
- ? ts.createStrictEquality(value, ts.createVoidZero())
- : ts.createStrictEquality(ts.createTypeOf(value), ts.createLiteral(tag));
- }
- ts.createTypeCheck = createTypeCheck;
- function createMemberAccessForPropertyName(target, memberName, location) {
- if (ts.isComputedPropertyName(memberName)) {
- return ts.setTextRange(ts.createElementAccess(target, memberName.expression), location);
- }
- else {
- var expression = ts.setTextRange((ts.isIdentifier(memberName) || ts.isPrivateIdentifier(memberName))
- ? ts.createPropertyAccess(target, memberName)
- : ts.createElementAccess(target, memberName), memberName);
- ts.getOrCreateEmitNode(expression).flags |= 64 /* NoNestedSourceMaps */;
- return expression;
- }
- }
- ts.createMemberAccessForPropertyName = createMemberAccessForPropertyName;
- function createFunctionCall(func, thisArg, argumentsList, location) {
- return ts.setTextRange(ts.createCall(ts.createPropertyAccess(func, "call"),
- /*typeArguments*/ undefined, __spreadArrays([
- thisArg
- ], argumentsList)), location);
- }
- ts.createFunctionCall = createFunctionCall;
- function createFunctionApply(func, thisArg, argumentsExpression, location) {
- return ts.setTextRange(ts.createCall(ts.createPropertyAccess(func, "apply"),
- /*typeArguments*/ undefined, [
- thisArg,
- argumentsExpression
- ]), location);
- }
- ts.createFunctionApply = createFunctionApply;
- function createArraySlice(array, start) {
- var argumentsList = [];
- if (start !== undefined) {
- argumentsList.push(typeof start === "number" ? ts.createLiteral(start) : start);
- }
- return ts.createCall(ts.createPropertyAccess(array, "slice"), /*typeArguments*/ undefined, argumentsList);
- }
- ts.createArraySlice = createArraySlice;
- function createArrayConcat(array, values) {
- return ts.createCall(ts.createPropertyAccess(array, "concat"),
- /*typeArguments*/ undefined, values);
- }
- ts.createArrayConcat = createArrayConcat;
- function createMathPow(left, right, location) {
- return ts.setTextRange(ts.createCall(ts.createPropertyAccess(ts.createIdentifier("Math"), "pow"),
- /*typeArguments*/ undefined, [left, right]), location);
- }
- ts.createMathPow = createMathPow;
- function createReactNamespace(reactNamespace, parent) {
- // To ensure the emit resolver can properly resolve the namespace, we need to
- // treat this identifier as if it were a source tree node by clearing the `Synthesized`
- // flag and setting a parent node.
- var react = ts.createIdentifier(reactNamespace || "React");
- react.flags &= ~8 /* Synthesized */;
- // Set the parent that is in parse tree
- // this makes sure that parent chain is intact for checker to traverse complete scope tree
- react.parent = ts.getParseTreeNode(parent);
- return react;
- }
- function createJsxFactoryExpressionFromEntityName(jsxFactory, parent) {
- if (ts.isQualifiedName(jsxFactory)) {
- var left = createJsxFactoryExpressionFromEntityName(jsxFactory.left, parent);
- var right = ts.createIdentifier(ts.idText(jsxFactory.right));
- right.escapedText = jsxFactory.right.escapedText;
- return ts.createPropertyAccess(left, right);
- }
- else {
- return createReactNamespace(ts.idText(jsxFactory), parent);
- }
- }
- function createJsxFactoryExpression(jsxFactoryEntity, reactNamespace, parent) {
- return jsxFactoryEntity ?
- createJsxFactoryExpressionFromEntityName(jsxFactoryEntity, parent) :
- ts.createPropertyAccess(createReactNamespace(reactNamespace, parent), "createElement");
- }
- function createExpressionForJsxElement(jsxFactoryEntity, reactNamespace, tagName, props, children, parentElement, location) {
- var argumentsList = [tagName];
- if (props) {
- argumentsList.push(props);
- }
- if (children && children.length > 0) {
- if (!props) {
- argumentsList.push(ts.createNull());
- }
- if (children.length > 1) {
- for (var _i = 0, children_2 = children; _i < children_2.length; _i++) {
- var child = children_2[_i];
- startOnNewLine(child);
- argumentsList.push(child);
- }
- }
- else {
- argumentsList.push(children[0]);
- }
- }
- return ts.setTextRange(ts.createCall(createJsxFactoryExpression(jsxFactoryEntity, reactNamespace, parentElement),
- /*typeArguments*/ undefined, argumentsList), location);
- }
- ts.createExpressionForJsxElement = createExpressionForJsxElement;
- function createExpressionForJsxFragment(jsxFactoryEntity, reactNamespace, children, parentElement, location) {
- var tagName = ts.createPropertyAccess(createReactNamespace(reactNamespace, parentElement), "Fragment");
- var argumentsList = [tagName];
- argumentsList.push(ts.createNull());
- if (children && children.length > 0) {
- if (children.length > 1) {
- for (var _i = 0, children_3 = children; _i < children_3.length; _i++) {
- var child = children_3[_i];
- startOnNewLine(child);
- argumentsList.push(child);
- }
- }
- else {
- argumentsList.push(children[0]);
- }
- }
- return ts.setTextRange(ts.createCall(createJsxFactoryExpression(jsxFactoryEntity, reactNamespace, parentElement),
- /*typeArguments*/ undefined, argumentsList), location);
- }
- ts.createExpressionForJsxFragment = createExpressionForJsxFragment;
- // Helpers
- /**
- * Gets an identifier for the name of an *unscoped* emit helper.
- */
- function getUnscopedHelperName(name) {
- return ts.setEmitFlags(ts.createIdentifier(name), 4096 /* HelperName */ | 2 /* AdviseOnEmitNode */);
- }
- ts.getUnscopedHelperName = getUnscopedHelperName;
- ts.valuesHelper = {
- name: "typescript:values",
- importName: "__values",
- scoped: false,
- text: "\n var __values = (this && this.__values) || function(o) {\n var s = typeof Symbol === \"function\" && Symbol.iterator, m = s && o[s], i = 0;\n if (m) return m.call(o);\n if (o && typeof o.length === \"number\") return {\n next: function () {\n if (o && i >= o.length) o = void 0;\n return { value: o && o[i++], done: !o };\n }\n };\n throw new TypeError(s ? \"Object is not iterable.\" : \"Symbol.iterator is not defined.\");\n };"
- };
- function createValuesHelper(context, expression, location) {
- context.requestEmitHelper(ts.valuesHelper);
- return ts.setTextRange(ts.createCall(getUnscopedHelperName("__values"),
- /*typeArguments*/ undefined, [expression]), location);
- }
- ts.createValuesHelper = createValuesHelper;
- ts.readHelper = {
- name: "typescript:read",
- importName: "__read",
- scoped: false,
- text: "\n var __read = (this && this.__read) || function (o, n) {\n var m = typeof Symbol === \"function\" && o[Symbol.iterator];\n if (!m) return o;\n var i = m.call(o), r, ar = [], e;\n try {\n while ((n === void 0 || n-- > 0) && !(r = i.next()).done) ar.push(r.value);\n }\n catch (error) { e = { error: error }; }\n finally {\n try {\n if (r && !r.done && (m = i[\"return\"])) m.call(i);\n }\n finally { if (e) throw e.error; }\n }\n return ar;\n };"
- };
- function createReadHelper(context, iteratorRecord, count, location) {
- context.requestEmitHelper(ts.readHelper);
- return ts.setTextRange(ts.createCall(getUnscopedHelperName("__read"),
- /*typeArguments*/ undefined, count !== undefined
- ? [iteratorRecord, ts.createLiteral(count)]
- : [iteratorRecord]), location);
- }
- ts.createReadHelper = createReadHelper;
- ts.spreadHelper = {
- name: "typescript:spread",
- importName: "__spread",
- scoped: false,
- dependencies: [ts.readHelper],
- text: "\n var __spread = (this && this.__spread) || function () {\n for (var ar = [], i = 0; i < arguments.length; i++) ar = ar.concat(__read(arguments[i]));\n return ar;\n };"
- };
- function createSpreadHelper(context, argumentList, location) {
- context.requestEmitHelper(ts.spreadHelper);
- return ts.setTextRange(ts.createCall(getUnscopedHelperName("__spread"),
- /*typeArguments*/ undefined, argumentList), location);
- }
- ts.createSpreadHelper = createSpreadHelper;
- ts.spreadArraysHelper = {
- name: "typescript:spreadArrays",
- importName: "__spreadArrays",
- scoped: false,
- text: "\n var __spreadArrays = (this && this.__spreadArrays) || function () {\n for (var s = 0, i = 0, il = arguments.length; i < il; i++) s += arguments[i].length;\n for (var r = Array(s), k = 0, i = 0; i < il; i++)\n for (var a = arguments[i], j = 0, jl = a.length; j < jl; j++, k++)\n r[k] = a[j];\n return r;\n };"
- };
- function createSpreadArraysHelper(context, argumentList, location) {
- context.requestEmitHelper(ts.spreadArraysHelper);
- return ts.setTextRange(ts.createCall(getUnscopedHelperName("__spreadArrays"),
- /*typeArguments*/ undefined, argumentList), location);
- }
- ts.createSpreadArraysHelper = createSpreadArraysHelper;
- // Utilities
- function createForOfBindingStatement(node, boundValue) {
- if (ts.isVariableDeclarationList(node)) {
- var firstDeclaration = ts.first(node.declarations);
- var updatedDeclaration = ts.updateVariableDeclaration(firstDeclaration, firstDeclaration.name,
- /*typeNode*/ undefined, boundValue);
- return ts.setTextRange(ts.createVariableStatement(
- /*modifiers*/ undefined, ts.updateVariableDeclarationList(node, [updatedDeclaration])),
- /*location*/ node);
- }
- else {
- var updatedExpression = ts.setTextRange(ts.createAssignment(node, boundValue), /*location*/ node);
- return ts.setTextRange(ts.createStatement(updatedExpression), /*location*/ node);
- }
- }
- ts.createForOfBindingStatement = createForOfBindingStatement;
- function insertLeadingStatement(dest, source) {
- if (ts.isBlock(dest)) {
- return ts.updateBlock(dest, ts.setTextRange(ts.createNodeArray(__spreadArrays([source], dest.statements)), dest.statements));
- }
- else {
- return ts.createBlock(ts.createNodeArray([dest, source]), /*multiLine*/ true);
- }
- }
- ts.insertLeadingStatement = insertLeadingStatement;
- function restoreEnclosingLabel(node, outermostLabeledStatement, afterRestoreLabelCallback) {
- if (!outermostLabeledStatement) {
- return node;
- }
- var updated = ts.updateLabel(outermostLabeledStatement, outermostLabeledStatement.label, outermostLabeledStatement.statement.kind === 238 /* LabeledStatement */
- ? restoreEnclosingLabel(node, outermostLabeledStatement.statement)
- : node);
- if (afterRestoreLabelCallback) {
- afterRestoreLabelCallback(outermostLabeledStatement);
- }
- return updated;
- }
- ts.restoreEnclosingLabel = restoreEnclosingLabel;
- function shouldBeCapturedInTempVariable(node, cacheIdentifiers) {
- var target = ts.skipParentheses(node);
- switch (target.kind) {
- case 75 /* Identifier */:
- return cacheIdentifiers;
- case 104 /* ThisKeyword */:
- case 8 /* NumericLiteral */:
- case 9 /* BigIntLiteral */:
- case 10 /* StringLiteral */:
- return false;
- case 192 /* ArrayLiteralExpression */:
- var elements = target.elements;
- if (elements.length === 0) {
- return false;
- }
- return true;
- case 193 /* ObjectLiteralExpression */:
- return target.properties.length > 0;
- default:
- return true;
- }
- }
- function createCallBinding(expression, recordTempVariable, languageVersion, cacheIdentifiers) {
- if (cacheIdentifiers === void 0) { cacheIdentifiers = false; }
- var callee = skipOuterExpressions(expression, 15 /* All */);
- var thisArg;
- var target;
- if (ts.isSuperProperty(callee)) {
- thisArg = ts.createThis();
- target = callee;
- }
- else if (callee.kind === 102 /* SuperKeyword */) {
- thisArg = ts.createThis();
- target = languageVersion < 2 /* ES2015 */
- ? ts.setTextRange(ts.createIdentifier("_super"), callee)
- : callee;
- }
- else if (ts.getEmitFlags(callee) & 4096 /* HelperName */) {
- thisArg = ts.createVoidZero();
- target = parenthesizeForAccess(callee);
- }
- else {
- switch (callee.kind) {
- case 194 /* PropertyAccessExpression */: {
- if (shouldBeCapturedInTempVariable(callee.expression, cacheIdentifiers)) {
- // for `a.b()` target is `(_a = a).b` and thisArg is `_a`
- thisArg = ts.createTempVariable(recordTempVariable);
- target = ts.createPropertyAccess(ts.setTextRange(ts.createAssignment(thisArg, callee.expression), callee.expression), callee.name);
- ts.setTextRange(target, callee);
- }
- else {
- thisArg = callee.expression;
- target = callee;
- }
- break;
- }
- case 195 /* ElementAccessExpression */: {
- if (shouldBeCapturedInTempVariable(callee.expression, cacheIdentifiers)) {
- // for `a[b]()` target is `(_a = a)[b]` and thisArg is `_a`
- thisArg = ts.createTempVariable(recordTempVariable);
- target = ts.createElementAccess(ts.setTextRange(ts.createAssignment(thisArg, callee.expression), callee.expression), callee.argumentExpression);
- ts.setTextRange(target, callee);
- }
- else {
- thisArg = callee.expression;
- target = callee;
- }
- break;
- }
- default: {
- // for `a()` target is `a` and thisArg is `void 0`
- thisArg = ts.createVoidZero();
- target = parenthesizeForAccess(expression);
- break;
- }
- }
- }
- return { target: target, thisArg: thisArg };
- }
- ts.createCallBinding = createCallBinding;
- function inlineExpressions(expressions) {
- // Avoid deeply nested comma expressions as traversing them during emit can result in "Maximum call
- // stack size exceeded" errors.
- return expressions.length > 10
- ? ts.createCommaList(expressions)
- : ts.reduceLeft(expressions, ts.createComma);
- }
- ts.inlineExpressions = inlineExpressions;
- function createExpressionFromEntityName(node) {
- if (ts.isQualifiedName(node)) {
- var left = createExpressionFromEntityName(node.left);
- var right = ts.getMutableClone(node.right);
- return ts.setTextRange(ts.createPropertyAccess(left, right), node);
- }
- else {
- return ts.getMutableClone(node);
- }
- }
- ts.createExpressionFromEntityName = createExpressionFromEntityName;
- function createExpressionForPropertyName(memberName) {
- if (ts.isIdentifier(memberName)) {
- return ts.createLiteral(memberName);
- }
- else if (ts.isComputedPropertyName(memberName)) {
- return ts.getMutableClone(memberName.expression);
- }
- else {
- return ts.getMutableClone(memberName);
- }
- }
- ts.createExpressionForPropertyName = createExpressionForPropertyName;
- function createExpressionForObjectLiteralElementLike(node, property, receiver) {
- if (property.name && ts.isPrivateIdentifier(property.name)) {
- ts.Debug.failBadSyntaxKind(property.name, "Private identifiers are not allowed in object literals.");
- }
- switch (property.kind) {
- case 163 /* GetAccessor */:
- case 164 /* SetAccessor */:
- return createExpressionForAccessorDeclaration(node.properties, property, receiver, !!node.multiLine);
- case 281 /* PropertyAssignment */:
- return createExpressionForPropertyAssignment(property, receiver);
- case 282 /* ShorthandPropertyAssignment */:
- return createExpressionForShorthandPropertyAssignment(property, receiver);
- case 161 /* MethodDeclaration */:
- return createExpressionForMethodDeclaration(property, receiver);
- }
- }
- ts.createExpressionForObjectLiteralElementLike = createExpressionForObjectLiteralElementLike;
- function createExpressionForAccessorDeclaration(properties, property, receiver, multiLine) {
- var _a = ts.getAllAccessorDeclarations(properties, property), firstAccessor = _a.firstAccessor, getAccessor = _a.getAccessor, setAccessor = _a.setAccessor;
- if (property === firstAccessor) {
- var properties_7 = [];
- if (getAccessor) {
- var getterFunction = ts.createFunctionExpression(getAccessor.modifiers,
- /*asteriskToken*/ undefined,
- /*name*/ undefined,
- /*typeParameters*/ undefined, getAccessor.parameters,
- /*type*/ undefined, getAccessor.body // TODO: GH#18217
- );
- ts.setTextRange(getterFunction, getAccessor);
- ts.setOriginalNode(getterFunction, getAccessor);
- var getter = ts.createPropertyAssignment("get", getterFunction);
- properties_7.push(getter);
- }
- if (setAccessor) {
- var setterFunction = ts.createFunctionExpression(setAccessor.modifiers,
- /*asteriskToken*/ undefined,
- /*name*/ undefined,
- /*typeParameters*/ undefined, setAccessor.parameters,
- /*type*/ undefined, setAccessor.body // TODO: GH#18217
- );
- ts.setTextRange(setterFunction, setAccessor);
- ts.setOriginalNode(setterFunction, setAccessor);
- var setter = ts.createPropertyAssignment("set", setterFunction);
- properties_7.push(setter);
- }
- properties_7.push(ts.createPropertyAssignment("enumerable", getAccessor || setAccessor ? ts.createFalse() : ts.createTrue()));
- properties_7.push(ts.createPropertyAssignment("configurable", ts.createTrue()));
- var expression = ts.setTextRange(ts.createCall(ts.createPropertyAccess(ts.createIdentifier("Object"), "defineProperty"),
- /*typeArguments*/ undefined, [
- receiver,
- createExpressionForPropertyName(property.name),
- ts.createObjectLiteral(properties_7, multiLine)
- ]),
- /*location*/ firstAccessor);
- return ts.aggregateTransformFlags(expression);
- }
- return undefined;
- }
- function createExpressionForPropertyAssignment(property, receiver) {
- return ts.aggregateTransformFlags(ts.setOriginalNode(ts.setTextRange(ts.createAssignment(createMemberAccessForPropertyName(receiver, property.name, /*location*/ property.name), property.initializer), property), property));
- }
- function createExpressionForShorthandPropertyAssignment(property, receiver) {
- return ts.aggregateTransformFlags(ts.setOriginalNode(ts.setTextRange(ts.createAssignment(createMemberAccessForPropertyName(receiver, property.name, /*location*/ property.name), ts.getSynthesizedClone(property.name)),
- /*location*/ property),
- /*original*/ property));
- }
- function createExpressionForMethodDeclaration(method, receiver) {
- return ts.aggregateTransformFlags(ts.setOriginalNode(ts.setTextRange(ts.createAssignment(createMemberAccessForPropertyName(receiver, method.name, /*location*/ method.name), ts.setOriginalNode(ts.setTextRange(ts.createFunctionExpression(method.modifiers, method.asteriskToken,
- /*name*/ undefined,
- /*typeParameters*/ undefined, method.parameters,
- /*type*/ undefined, method.body // TODO: GH#18217
- ),
- /*location*/ method),
- /*original*/ method)),
- /*location*/ method),
- /*original*/ method));
- }
- /**
- * Gets the internal name of a declaration. This is primarily used for declarations that can be
- * referred to by name in the body of an ES5 class function body. An internal name will *never*
- * be prefixed with an module or namespace export modifier like "exports." when emitted as an
- * expression. An internal name will also *never* be renamed due to a collision with a block
- * scoped variable.
- *
- * @param node The declaration.
- * @param allowComments A value indicating whether comments may be emitted for the name.
- * @param allowSourceMaps A value indicating whether source maps may be emitted for the name.
- */
- function getInternalName(node, allowComments, allowSourceMaps) {
- return getName(node, allowComments, allowSourceMaps, 16384 /* LocalName */ | 32768 /* InternalName */);
- }
- ts.getInternalName = getInternalName;
- /**
- * Gets whether an identifier should only be referred to by its internal name.
- */
- function isInternalName(node) {
- return (ts.getEmitFlags(node) & 32768 /* InternalName */) !== 0;
- }
- ts.isInternalName = isInternalName;
- /**
- * Gets the local name of a declaration. This is primarily used for declarations that can be
- * referred to by name in the declaration's immediate scope (classes, enums, namespaces). A
- * local name will *never* be prefixed with an module or namespace export modifier like
- * "exports." when emitted as an expression.
- *
- * @param node The declaration.
- * @param allowComments A value indicating whether comments may be emitted for the name.
- * @param allowSourceMaps A value indicating whether source maps may be emitted for the name.
- */
- function getLocalName(node, allowComments, allowSourceMaps) {
- return getName(node, allowComments, allowSourceMaps, 16384 /* LocalName */);
- }
- ts.getLocalName = getLocalName;
- /**
- * Gets whether an identifier should only be referred to by its local name.
- */
- function isLocalName(node) {
- return (ts.getEmitFlags(node) & 16384 /* LocalName */) !== 0;
- }
- ts.isLocalName = isLocalName;
- /**
- * Gets the export name of a declaration. This is primarily used for declarations that can be
- * referred to by name in the declaration's immediate scope (classes, enums, namespaces). An
- * export name will *always* be prefixed with an module or namespace export modifier like
- * `"exports."` when emitted as an expression if the name points to an exported symbol.
- *
- * @param node The declaration.
- * @param allowComments A value indicating whether comments may be emitted for the name.
- * @param allowSourceMaps A value indicating whether source maps may be emitted for the name.
- */
- function getExportName(node, allowComments, allowSourceMaps) {
- return getName(node, allowComments, allowSourceMaps, 8192 /* ExportName */);
- }
- ts.getExportName = getExportName;
- /**
- * Gets whether an identifier should only be referred to by its export representation if the
- * name points to an exported symbol.
- */
- function isExportName(node) {
- return (ts.getEmitFlags(node) & 8192 /* ExportName */) !== 0;
- }
- ts.isExportName = isExportName;
- /**
- * Gets the name of a declaration for use in declarations.
- *
- * @param node The declaration.
- * @param allowComments A value indicating whether comments may be emitted for the name.
- * @param allowSourceMaps A value indicating whether source maps may be emitted for the name.
- */
- function getDeclarationName(node, allowComments, allowSourceMaps) {
- return getName(node, allowComments, allowSourceMaps);
- }
- ts.getDeclarationName = getDeclarationName;
- function getName(node, allowComments, allowSourceMaps, emitFlags) {
- if (emitFlags === void 0) { emitFlags = 0; }
- var nodeName = ts.getNameOfDeclaration(node);
- if (nodeName && ts.isIdentifier(nodeName) && !ts.isGeneratedIdentifier(nodeName)) {
- var name = ts.getMutableClone(nodeName);
- emitFlags |= ts.getEmitFlags(nodeName);
- if (!allowSourceMaps)
- emitFlags |= 48 /* NoSourceMap */;
- if (!allowComments)
- emitFlags |= 1536 /* NoComments */;
- if (emitFlags)
- ts.setEmitFlags(name, emitFlags);
- return name;
- }
- return ts.getGeneratedNameForNode(node);
- }
- /**
- * Gets the exported name of a declaration for use in expressions.
- *
- * An exported name will *always* be prefixed with an module or namespace export modifier like
- * "exports." if the name points to an exported symbol.
- *
- * @param ns The namespace identifier.
- * @param node The declaration.
- * @param allowComments A value indicating whether comments may be emitted for the name.
- * @param allowSourceMaps A value indicating whether source maps may be emitted for the name.
- */
- function getExternalModuleOrNamespaceExportName(ns, node, allowComments, allowSourceMaps) {
- if (ns && ts.hasModifier(node, 1 /* Export */)) {
- return getNamespaceMemberName(ns, getName(node), allowComments, allowSourceMaps);
- }
- return getExportName(node, allowComments, allowSourceMaps);
- }
- ts.getExternalModuleOrNamespaceExportName = getExternalModuleOrNamespaceExportName;
- /**
- * Gets a namespace-qualified name for use in expressions.
- *
- * @param ns The namespace identifier.
- * @param name The name.
- * @param allowComments A value indicating whether comments may be emitted for the name.
- * @param allowSourceMaps A value indicating whether source maps may be emitted for the name.
- */
- function getNamespaceMemberName(ns, name, allowComments, allowSourceMaps) {
- var qualifiedName = ts.createPropertyAccess(ns, ts.nodeIsSynthesized(name) ? name : ts.getSynthesizedClone(name));
- ts.setTextRange(qualifiedName, name);
- var emitFlags = 0;
- if (!allowSourceMaps)
- emitFlags |= 48 /* NoSourceMap */;
- if (!allowComments)
- emitFlags |= 1536 /* NoComments */;
- if (emitFlags)
- ts.setEmitFlags(qualifiedName, emitFlags);
- return qualifiedName;
- }
- ts.getNamespaceMemberName = getNamespaceMemberName;
- function convertToFunctionBody(node, multiLine) {
- return ts.isBlock(node) ? node : ts.setTextRange(ts.createBlock([ts.setTextRange(ts.createReturn(node), node)], multiLine), node);
- }
- ts.convertToFunctionBody = convertToFunctionBody;
- function convertFunctionDeclarationToExpression(node) {
- if (!node.body)
- return ts.Debug.fail();
- var updated = ts.createFunctionExpression(node.modifiers, node.asteriskToken, node.name, node.typeParameters, node.parameters, node.type, node.body);
- ts.setOriginalNode(updated, node);
- ts.setTextRange(updated, node);
- if (ts.getStartsOnNewLine(node)) {
- ts.setStartsOnNewLine(updated, /*newLine*/ true);
- }
- ts.aggregateTransformFlags(updated);
- return updated;
- }
- ts.convertFunctionDeclarationToExpression = convertFunctionDeclarationToExpression;
- function isUseStrictPrologue(node) {
- return ts.isStringLiteral(node.expression) && node.expression.text === "use strict";
- }
- /**
- * Add any necessary prologue-directives into target statement-array.
- * The function needs to be called during each transformation step.
- * This function needs to be called whenever we transform the statement
- * list of a source file, namespace, or function-like body.
- *
- * @param target: result statements array
- * @param source: origin statements array
- * @param ensureUseStrict: boolean determining whether the function need to add prologue-directives
- * @param visitor: Optional callback used to visit any custom prologue directives.
- */
- function addPrologue(target, source, ensureUseStrict, visitor) {
- var offset = addStandardPrologue(target, source, ensureUseStrict);
- return addCustomPrologue(target, source, offset, visitor);
- }
- ts.addPrologue = addPrologue;
- /**
- * Add just the standard (string-expression) prologue-directives into target statement-array.
- * The function needs to be called during each transformation step.
- * This function needs to be called whenever we transform the statement
- * list of a source file, namespace, or function-like body.
- */
- function addStandardPrologue(target, source, ensureUseStrict) {
- ts.Debug.assert(target.length === 0, "Prologue directives should be at the first statement in the target statements array");
- var foundUseStrict = false;
- var statementOffset = 0;
- var numStatements = source.length;
- while (statementOffset < numStatements) {
- var statement = source[statementOffset];
- if (ts.isPrologueDirective(statement)) {
- if (isUseStrictPrologue(statement)) {
- foundUseStrict = true;
- }
- target.push(statement);
- }
- else {
- break;
- }
- statementOffset++;
- }
- if (ensureUseStrict && !foundUseStrict) {
- target.push(startOnNewLine(ts.createStatement(ts.createLiteral("use strict"))));
- }
- return statementOffset;
- }
- ts.addStandardPrologue = addStandardPrologue;
- function addCustomPrologue(target, source, statementOffset, visitor, filter) {
- if (filter === void 0) { filter = ts.returnTrue; }
- var numStatements = source.length;
- while (statementOffset !== undefined && statementOffset < numStatements) {
- var statement = source[statementOffset];
- if (ts.getEmitFlags(statement) & 1048576 /* CustomPrologue */ && filter(statement)) {
- ts.append(target, visitor ? ts.visitNode(statement, visitor, ts.isStatement) : statement);
- }
- else {
- break;
- }
- statementOffset++;
- }
- return statementOffset;
- }
- ts.addCustomPrologue = addCustomPrologue;
- function findUseStrictPrologue(statements) {
- for (var _i = 0, statements_4 = statements; _i < statements_4.length; _i++) {
- var statement = statements_4[_i];
- if (ts.isPrologueDirective(statement)) {
- if (isUseStrictPrologue(statement)) {
- return statement;
- }
- }
- else {
- break;
- }
- }
- return undefined;
- }
- ts.findUseStrictPrologue = findUseStrictPrologue;
- function startsWithUseStrict(statements) {
- var firstStatement = ts.firstOrUndefined(statements);
- return firstStatement !== undefined
- && ts.isPrologueDirective(firstStatement)
- && isUseStrictPrologue(firstStatement);
- }
- ts.startsWithUseStrict = startsWithUseStrict;
- /**
- * Ensures "use strict" directive is added
- *
- * @param statements An array of statements
- */
- function ensureUseStrict(statements) {
- var foundUseStrict = findUseStrictPrologue(statements);
- if (!foundUseStrict) {
- return ts.setTextRange(ts.createNodeArray(__spreadArrays([
- startOnNewLine(ts.createStatement(ts.createLiteral("use strict")))
- ], statements)), statements);
- }
- return statements;
- }
- ts.ensureUseStrict = ensureUseStrict;
- /**
- * Wraps the operand to a BinaryExpression in parentheses if they are needed to preserve the intended
- * order of operations.
- *
- * @param binaryOperator The operator for the BinaryExpression.
- * @param operand The operand for the BinaryExpression.
- * @param isLeftSideOfBinary A value indicating whether the operand is the left side of the
- * BinaryExpression.
- */
- function parenthesizeBinaryOperand(binaryOperator, operand, isLeftSideOfBinary, leftOperand) {
- var skipped = ts.skipPartiallyEmittedExpressions(operand);
- // If the resulting expression is already parenthesized, we do not need to do any further processing.
- if (skipped.kind === 200 /* ParenthesizedExpression */) {
- return operand;
- }
- return binaryOperandNeedsParentheses(binaryOperator, operand, isLeftSideOfBinary, leftOperand)
- ? ts.createParen(operand)
- : operand;
- }
- ts.parenthesizeBinaryOperand = parenthesizeBinaryOperand;
- /**
- * Determines whether the operand to a BinaryExpression needs to be parenthesized.
- *
- * @param binaryOperator The operator for the BinaryExpression.
- * @param operand The operand for the BinaryExpression.
- * @param isLeftSideOfBinary A value indicating whether the operand is the left side of the
- * BinaryExpression.
- */
- function binaryOperandNeedsParentheses(binaryOperator, operand, isLeftSideOfBinary, leftOperand) {
- // If the operand has lower precedence, then it needs to be parenthesized to preserve the
- // intent of the expression. For example, if the operand is `a + b` and the operator is
- // `*`, then we need to parenthesize the operand to preserve the intended order of
- // operations: `(a + b) * x`.
- //
- // If the operand has higher precedence, then it does not need to be parenthesized. For
- // example, if the operand is `a * b` and the operator is `+`, then we do not need to
- // parenthesize to preserve the intended order of operations: `a * b + x`.
- //
- // If the operand has the same precedence, then we need to check the associativity of
- // the operator based on whether this is the left or right operand of the expression.
- //
- // For example, if `a / d` is on the right of operator `*`, we need to parenthesize
- // to preserve the intended order of operations: `x * (a / d)`
- //
- // If `a ** d` is on the left of operator `**`, we need to parenthesize to preserve
- // the intended order of operations: `(a ** b) ** c`
- var binaryOperatorPrecedence = ts.getOperatorPrecedence(209 /* BinaryExpression */, binaryOperator);
- var binaryOperatorAssociativity = ts.getOperatorAssociativity(209 /* BinaryExpression */, binaryOperator);
- var emittedOperand = ts.skipPartiallyEmittedExpressions(operand);
- if (!isLeftSideOfBinary && operand.kind === 202 /* ArrowFunction */ && binaryOperatorPrecedence > 3) {
- // We need to parenthesize arrow functions on the right side to avoid it being
- // parsed as parenthesized expression: `a && (() => {})`
- return true;
- }
- var operandPrecedence = ts.getExpressionPrecedence(emittedOperand);
- switch (ts.compareValues(operandPrecedence, binaryOperatorPrecedence)) {
- case -1 /* LessThan */:
- // If the operand is the right side of a right-associative binary operation
- // and is a yield expression, then we do not need parentheses.
- if (!isLeftSideOfBinary
- && binaryOperatorAssociativity === 1 /* Right */
- && operand.kind === 212 /* YieldExpression */) {
- return false;
- }
- return true;
- case 1 /* GreaterThan */:
- return false;
- case 0 /* EqualTo */:
- if (isLeftSideOfBinary) {
- // No need to parenthesize the left operand when the binary operator is
- // left associative:
- // (a*b)/x -> a*b/x
- // (a**b)/x -> a**b/x
- //
- // Parentheses are needed for the left operand when the binary operator is
- // right associative:
- // (a/b)**x -> (a/b)**x
- // (a**b)**x -> (a**b)**x
- return binaryOperatorAssociativity === 1 /* Right */;
- }
- else {
- if (ts.isBinaryExpression(emittedOperand)
- && emittedOperand.operatorToken.kind === binaryOperator) {
- // No need to parenthesize the right operand when the binary operator and
- // operand are the same and one of the following:
- // x*(a*b) => x*a*b
- // x|(a|b) => x|a|b
- // x&(a&b) => x&a&b
- // x^(a^b) => x^a^b
- if (operatorHasAssociativeProperty(binaryOperator)) {
- return false;
- }
- // No need to parenthesize the right operand when the binary operator
- // is plus (+) if both the left and right operands consist solely of either
- // literals of the same kind or binary plus (+) expressions for literals of
- // the same kind (recursively).
- // "a"+(1+2) => "a"+(1+2)
- // "a"+("b"+"c") => "a"+"b"+"c"
- if (binaryOperator === 39 /* PlusToken */) {
- var leftKind = leftOperand ? getLiteralKindOfBinaryPlusOperand(leftOperand) : 0 /* Unknown */;
- if (ts.isLiteralKind(leftKind) && leftKind === getLiteralKindOfBinaryPlusOperand(emittedOperand)) {
- return false;
- }
- }
- }
- // No need to parenthesize the right operand when the operand is right
- // associative:
- // x/(a**b) -> x/a**b
- // x**(a**b) -> x**a**b
- //
- // Parentheses are needed for the right operand when the operand is left
- // associative:
- // x/(a*b) -> x/(a*b)
- // x**(a/b) -> x**(a/b)
- var operandAssociativity = ts.getExpressionAssociativity(emittedOperand);
- return operandAssociativity === 0 /* Left */;
- }
- }
- }
- /**
- * Determines whether a binary operator is mathematically associative.
- *
- * @param binaryOperator The binary operator.
- */
- function operatorHasAssociativeProperty(binaryOperator) {
- // The following operators are associative in JavaScript:
- // (a*b)*c -> a*(b*c) -> a*b*c
- // (a|b)|c -> a|(b|c) -> a|b|c
- // (a&b)&c -> a&(b&c) -> a&b&c
- // (a^b)^c -> a^(b^c) -> a^b^c
- //
- // While addition is associative in mathematics, JavaScript's `+` is not
- // guaranteed to be associative as it is overloaded with string concatenation.
- return binaryOperator === 41 /* AsteriskToken */
- || binaryOperator === 51 /* BarToken */
- || binaryOperator === 50 /* AmpersandToken */
- || binaryOperator === 52 /* CaretToken */;
- }
- /**
- * This function determines whether an expression consists of a homogeneous set of
- * literal expressions or binary plus expressions that all share the same literal kind.
- * It is used to determine whether the right-hand operand of a binary plus expression can be
- * emitted without parentheses.
- */
- function getLiteralKindOfBinaryPlusOperand(node) {
- node = ts.skipPartiallyEmittedExpressions(node);
- if (ts.isLiteralKind(node.kind)) {
- return node.kind;
- }
- if (node.kind === 209 /* BinaryExpression */ && node.operatorToken.kind === 39 /* PlusToken */) {
- if (node.cachedLiteralKind !== undefined) {
- return node.cachedLiteralKind;
- }
- var leftKind = getLiteralKindOfBinaryPlusOperand(node.left);
- var literalKind = ts.isLiteralKind(leftKind) && leftKind === getLiteralKindOfBinaryPlusOperand(node.right) ? leftKind :
- 0 /* Unknown */;
- node.cachedLiteralKind = literalKind;
- return literalKind;
- }
- return 0 /* Unknown */;
- }
- function parenthesizeForConditionalHead(condition) {
- var conditionalPrecedence = ts.getOperatorPrecedence(210 /* ConditionalExpression */, 57 /* QuestionToken */);
- var emittedCondition = ts.skipPartiallyEmittedExpressions(condition);
- var conditionPrecedence = ts.getExpressionPrecedence(emittedCondition);
- if (ts.compareValues(conditionPrecedence, conditionalPrecedence) !== 1 /* GreaterThan */) {
- return ts.createParen(condition);
- }
- return condition;
- }
- ts.parenthesizeForConditionalHead = parenthesizeForConditionalHead;
- function parenthesizeSubexpressionOfConditionalExpression(e) {
- // per ES grammar both 'whenTrue' and 'whenFalse' parts of conditional expression are assignment expressions
- // so in case when comma expression is introduced as a part of previous transformations
- // if should be wrapped in parens since comma operator has the lowest precedence
- var emittedExpression = ts.skipPartiallyEmittedExpressions(e);
- return isCommaSequence(emittedExpression)
- ? ts.createParen(e)
- : e;
- }
- ts.parenthesizeSubexpressionOfConditionalExpression = parenthesizeSubexpressionOfConditionalExpression;
- /**
- * [Per the spec](https://tc39.github.io/ecma262/#prod-ExportDeclaration), `export default` accepts _AssigmentExpression_ but
- * has a lookahead restriction for `function`, `async function`, and `class`.
- *
- * Basically, that means we need to parenthesize in the following cases:
- *
- * - BinaryExpression of CommaToken
- * - CommaList (synthetic list of multiple comma expressions)
- * - FunctionExpression
- * - ClassExpression
- */
- function parenthesizeDefaultExpression(e) {
- var check = ts.skipPartiallyEmittedExpressions(e);
- var needsParens = isCommaSequence(check);
- if (!needsParens) {
- switch (getLeftmostExpression(check, /*stopAtCallExpression*/ false).kind) {
- case 214 /* ClassExpression */:
- case 201 /* FunctionExpression */:
- needsParens = true;
- }
- }
- return needsParens ? ts.createParen(e) : e;
- }
- ts.parenthesizeDefaultExpression = parenthesizeDefaultExpression;
- /**
- * Wraps an expression in parentheses if it is needed in order to use the expression
- * as the expression of a NewExpression node.
- *
- * @param expression The Expression node.
- */
- function parenthesizeForNew(expression) {
- var leftmostExpr = getLeftmostExpression(expression, /*stopAtCallExpressions*/ true);
- switch (leftmostExpr.kind) {
- case 196 /* CallExpression */:
- return ts.createParen(expression);
- case 197 /* NewExpression */:
- return !leftmostExpr.arguments
- ? ts.createParen(expression)
- : expression;
- }
- return parenthesizeForAccess(expression);
- }
- ts.parenthesizeForNew = parenthesizeForNew;
- /**
- * Wraps an expression in parentheses if it is needed in order to use the expression for
- * property or element access.
- *
- * @param expr The expression node.
- */
- function parenthesizeForAccess(expression) {
- // isLeftHandSideExpression is almost the correct criterion for when it is not necessary
- // to parenthesize the expression before a dot. The known exception is:
- //
- // NewExpression:
- // new C.x -> not the same as (new C).x
- //
- var emittedExpression = ts.skipPartiallyEmittedExpressions(expression);
- if (ts.isLeftHandSideExpression(emittedExpression)
- && (emittedExpression.kind !== 197 /* NewExpression */ || emittedExpression.arguments)) {
- return expression;
- }
- return ts.setTextRange(ts.createParen(expression), expression);
- }
- ts.parenthesizeForAccess = parenthesizeForAccess;
- function parenthesizePostfixOperand(operand) {
- return ts.isLeftHandSideExpression(operand)
- ? operand
- : ts.setTextRange(ts.createParen(operand), operand);
- }
- ts.parenthesizePostfixOperand = parenthesizePostfixOperand;
- function parenthesizePrefixOperand(operand) {
- return ts.isUnaryExpression(operand)
- ? operand
- : ts.setTextRange(ts.createParen(operand), operand);
- }
- ts.parenthesizePrefixOperand = parenthesizePrefixOperand;
- function parenthesizeListElements(elements) {
- var result;
- for (var i = 0; i < elements.length; i++) {
- var element = parenthesizeExpressionForList(elements[i]);
- if (result !== undefined || element !== elements[i]) {
- if (result === undefined) {
- result = elements.slice(0, i);
- }
- result.push(element);
- }
- }
- if (result !== undefined) {
- return ts.setTextRange(ts.createNodeArray(result, elements.hasTrailingComma), elements);
- }
- return elements;
- }
- ts.parenthesizeListElements = parenthesizeListElements;
- function parenthesizeExpressionForList(expression) {
- var emittedExpression = ts.skipPartiallyEmittedExpressions(expression);
- var expressionPrecedence = ts.getExpressionPrecedence(emittedExpression);
- var commaPrecedence = ts.getOperatorPrecedence(209 /* BinaryExpression */, 27 /* CommaToken */);
- return expressionPrecedence > commaPrecedence
- ? expression
- : ts.setTextRange(ts.createParen(expression), expression);
- }
- ts.parenthesizeExpressionForList = parenthesizeExpressionForList;
- function parenthesizeExpressionForExpressionStatement(expression) {
- var emittedExpression = ts.skipPartiallyEmittedExpressions(expression);
- if (ts.isCallExpression(emittedExpression)) {
- var callee = emittedExpression.expression;
- var kind = ts.skipPartiallyEmittedExpressions(callee).kind;
- if (kind === 201 /* FunctionExpression */ || kind === 202 /* ArrowFunction */) {
- var mutableCall = ts.getMutableClone(emittedExpression);
- mutableCall.expression = ts.setTextRange(ts.createParen(callee), callee);
- return recreateOuterExpressions(expression, mutableCall, 8 /* PartiallyEmittedExpressions */);
- }
- }
- var leftmostExpressionKind = getLeftmostExpression(emittedExpression, /*stopAtCallExpressions*/ false).kind;
- if (leftmostExpressionKind === 193 /* ObjectLiteralExpression */ || leftmostExpressionKind === 201 /* FunctionExpression */) {
- return ts.setTextRange(ts.createParen(expression), expression);
- }
- return expression;
- }
- ts.parenthesizeExpressionForExpressionStatement = parenthesizeExpressionForExpressionStatement;
- function parenthesizeConditionalTypeMember(member) {
- return member.kind === 180 /* ConditionalType */ ? ts.createParenthesizedType(member) : member;
- }
- ts.parenthesizeConditionalTypeMember = parenthesizeConditionalTypeMember;
- function parenthesizeElementTypeMember(member) {
- switch (member.kind) {
- case 178 /* UnionType */:
- case 179 /* IntersectionType */:
- case 170 /* FunctionType */:
- case 171 /* ConstructorType */:
- return ts.createParenthesizedType(member);
- }
- return parenthesizeConditionalTypeMember(member);
- }
- ts.parenthesizeElementTypeMember = parenthesizeElementTypeMember;
- function parenthesizeArrayTypeMember(member) {
- switch (member.kind) {
- case 172 /* TypeQuery */:
- case 184 /* TypeOperator */:
- case 181 /* InferType */:
- return ts.createParenthesizedType(member);
- }
- return parenthesizeElementTypeMember(member);
- }
- ts.parenthesizeArrayTypeMember = parenthesizeArrayTypeMember;
- function parenthesizeElementTypeMembers(members) {
- return ts.createNodeArray(ts.sameMap(members, parenthesizeElementTypeMember));
- }
- ts.parenthesizeElementTypeMembers = parenthesizeElementTypeMembers;
- function parenthesizeTypeParameters(typeParameters) {
- if (ts.some(typeParameters)) {
- var params = [];
- for (var i = 0; i < typeParameters.length; ++i) {
- var entry = typeParameters[i];
- params.push(i === 0 && ts.isFunctionOrConstructorTypeNode(entry) && entry.typeParameters ?
- ts.createParenthesizedType(entry) :
- entry);
- }
- return ts.createNodeArray(params);
- }
- }
- ts.parenthesizeTypeParameters = parenthesizeTypeParameters;
- function getLeftmostExpression(node, stopAtCallExpressions) {
- while (true) {
- switch (node.kind) {
- case 208 /* PostfixUnaryExpression */:
- node = node.operand;
- continue;
- case 209 /* BinaryExpression */:
- node = node.left;
- continue;
- case 210 /* ConditionalExpression */:
- node = node.condition;
- continue;
- case 198 /* TaggedTemplateExpression */:
- node = node.tag;
- continue;
- case 196 /* CallExpression */:
- if (stopAtCallExpressions) {
- return node;
- }
- // falls through
- case 217 /* AsExpression */:
- case 195 /* ElementAccessExpression */:
- case 194 /* PropertyAccessExpression */:
- case 218 /* NonNullExpression */:
- case 326 /* PartiallyEmittedExpression */:
- node = node.expression;
- continue;
- }
- return node;
- }
- }
- ts.getLeftmostExpression = getLeftmostExpression;
- function parenthesizeConciseBody(body) {
- if (!ts.isBlock(body) && (isCommaSequence(body) || getLeftmostExpression(body, /*stopAtCallExpressions*/ false).kind === 193 /* ObjectLiteralExpression */)) {
- return ts.setTextRange(ts.createParen(body), body);
- }
- return body;
- }
- ts.parenthesizeConciseBody = parenthesizeConciseBody;
- function isCommaSequence(node) {
- return node.kind === 209 /* BinaryExpression */ && node.operatorToken.kind === 27 /* CommaToken */ ||
- node.kind === 327 /* CommaListExpression */;
- }
- ts.isCommaSequence = isCommaSequence;
- var OuterExpressionKinds;
- (function (OuterExpressionKinds) {
- OuterExpressionKinds[OuterExpressionKinds["Parentheses"] = 1] = "Parentheses";
- OuterExpressionKinds[OuterExpressionKinds["TypeAssertions"] = 2] = "TypeAssertions";
- OuterExpressionKinds[OuterExpressionKinds["NonNullAssertions"] = 4] = "NonNullAssertions";
- OuterExpressionKinds[OuterExpressionKinds["PartiallyEmittedExpressions"] = 8] = "PartiallyEmittedExpressions";
- OuterExpressionKinds[OuterExpressionKinds["Assertions"] = 6] = "Assertions";
- OuterExpressionKinds[OuterExpressionKinds["All"] = 15] = "All";
- })(OuterExpressionKinds = ts.OuterExpressionKinds || (ts.OuterExpressionKinds = {}));
- function isOuterExpression(node, kinds) {
- if (kinds === void 0) { kinds = 15 /* All */; }
- switch (node.kind) {
- case 200 /* ParenthesizedExpression */:
- return (kinds & 1 /* Parentheses */) !== 0;
- case 199 /* TypeAssertionExpression */:
- case 217 /* AsExpression */:
- return (kinds & 2 /* TypeAssertions */) !== 0;
- case 218 /* NonNullExpression */:
- return (kinds & 4 /* NonNullAssertions */) !== 0;
- case 326 /* PartiallyEmittedExpression */:
- return (kinds & 8 /* PartiallyEmittedExpressions */) !== 0;
- }
- return false;
- }
- ts.isOuterExpression = isOuterExpression;
- function skipOuterExpressions(node, kinds) {
- if (kinds === void 0) { kinds = 15 /* All */; }
- while (isOuterExpression(node, kinds)) {
- node = node.expression;
- }
- return node;
- }
- ts.skipOuterExpressions = skipOuterExpressions;
- function skipAssertions(node) {
- return skipOuterExpressions(node, 6 /* Assertions */);
- }
- ts.skipAssertions = skipAssertions;
- function updateOuterExpression(outerExpression, expression) {
- switch (outerExpression.kind) {
- case 200 /* ParenthesizedExpression */: return ts.updateParen(outerExpression, expression);
- case 199 /* TypeAssertionExpression */: return ts.updateTypeAssertion(outerExpression, outerExpression.type, expression);
- case 217 /* AsExpression */: return ts.updateAsExpression(outerExpression, expression, outerExpression.type);
- case 218 /* NonNullExpression */: return ts.updateNonNullExpression(outerExpression, expression);
- case 326 /* PartiallyEmittedExpression */: return ts.updatePartiallyEmittedExpression(outerExpression, expression);
- }
- }
- /**
- * Determines whether a node is a parenthesized expression that can be ignored when recreating outer expressions.
- *
- * A parenthesized expression can be ignored when all of the following are true:
- *
- * - It's `pos` and `end` are not -1
- * - It does not have a custom source map range
- * - It does not have a custom comment range
- * - It does not have synthetic leading or trailing comments
- *
- * If an outermost parenthesized expression is ignored, but the containing expression requires a parentheses around
- * the expression to maintain precedence, a new parenthesized expression should be created automatically when
- * the containing expression is created/updated.
- */
- function isIgnorableParen(node) {
- return node.kind === 200 /* ParenthesizedExpression */
- && ts.nodeIsSynthesized(node)
- && ts.nodeIsSynthesized(ts.getSourceMapRange(node))
- && ts.nodeIsSynthesized(ts.getCommentRange(node))
- && !ts.some(ts.getSyntheticLeadingComments(node))
- && !ts.some(ts.getSyntheticTrailingComments(node));
- }
- function recreateOuterExpressions(outerExpression, innerExpression, kinds) {
- if (kinds === void 0) { kinds = 15 /* All */; }
- if (outerExpression && isOuterExpression(outerExpression, kinds) && !isIgnorableParen(outerExpression)) {
- return updateOuterExpression(outerExpression, recreateOuterExpressions(outerExpression.expression, innerExpression));
- }
- return innerExpression;
- }
- ts.recreateOuterExpressions = recreateOuterExpressions;
- function startOnNewLine(node) {
- return ts.setStartsOnNewLine(node, /*newLine*/ true);
- }
- ts.startOnNewLine = startOnNewLine;
- function getExternalHelpersModuleName(node) {
- var parseNode = ts.getOriginalNode(node, ts.isSourceFile);
- var emitNode = parseNode && parseNode.emitNode;
- return emitNode && emitNode.externalHelpersModuleName;
- }
- ts.getExternalHelpersModuleName = getExternalHelpersModuleName;
- function hasRecordedExternalHelpers(sourceFile) {
- var parseNode = ts.getOriginalNode(sourceFile, ts.isSourceFile);
- var emitNode = parseNode && parseNode.emitNode;
- return !!emitNode && (!!emitNode.externalHelpersModuleName || !!emitNode.externalHelpers);
- }
- ts.hasRecordedExternalHelpers = hasRecordedExternalHelpers;
- function createExternalHelpersImportDeclarationIfNeeded(sourceFile, compilerOptions, hasExportStarsToExportValues, hasImportStar, hasImportDefault) {
- if (compilerOptions.importHelpers && ts.isEffectiveExternalModule(sourceFile, compilerOptions)) {
- var namedBindings = void 0;
- var moduleKind = ts.getEmitModuleKind(compilerOptions);
- if (moduleKind >= ts.ModuleKind.ES2015 && moduleKind <= ts.ModuleKind.ESNext) {
- // use named imports
- var helpers = ts.getEmitHelpers(sourceFile);
- if (helpers) {
- var helperNames = [];
- for (var _i = 0, helpers_2 = helpers; _i < helpers_2.length; _i++) {
- var helper = helpers_2[_i];
- if (!helper.scoped) {
- var importName = helper.importName;
- if (importName) {
- ts.pushIfUnique(helperNames, importName);
- }
- }
- }
- if (ts.some(helperNames)) {
- helperNames.sort(ts.compareStringsCaseSensitive);
- // Alias the imports if the names are used somewhere in the file.
- // NOTE: We don't need to care about global import collisions as this is a module.
- namedBindings = ts.createNamedImports(ts.map(helperNames, function (name) { return ts.isFileLevelUniqueName(sourceFile, name)
- ? ts.createImportSpecifier(/*propertyName*/ undefined, ts.createIdentifier(name))
- : ts.createImportSpecifier(ts.createIdentifier(name), getUnscopedHelperName(name)); }));
- var parseNode = ts.getOriginalNode(sourceFile, ts.isSourceFile);
- var emitNode = ts.getOrCreateEmitNode(parseNode);
- emitNode.externalHelpers = true;
- }
- }
- }
- else {
- // use a namespace import
- var externalHelpersModuleName = getOrCreateExternalHelpersModuleNameIfNeeded(sourceFile, compilerOptions, hasExportStarsToExportValues, hasImportStar || hasImportDefault);
- if (externalHelpersModuleName) {
- namedBindings = ts.createNamespaceImport(externalHelpersModuleName);
- }
- }
- if (namedBindings) {
- var externalHelpersImportDeclaration = ts.createImportDeclaration(
- /*decorators*/ undefined,
- /*modifiers*/ undefined, ts.createImportClause(/*name*/ undefined, namedBindings), ts.createLiteral(ts.externalHelpersModuleNameText));
- ts.addEmitFlags(externalHelpersImportDeclaration, 67108864 /* NeverApplyImportHelper */);
- return externalHelpersImportDeclaration;
- }
- }
- }
- ts.createExternalHelpersImportDeclarationIfNeeded = createExternalHelpersImportDeclarationIfNeeded;
- function getOrCreateExternalHelpersModuleNameIfNeeded(node, compilerOptions, hasExportStarsToExportValues, hasImportStarOrImportDefault) {
- if (compilerOptions.importHelpers && ts.isEffectiveExternalModule(node, compilerOptions)) {
- var externalHelpersModuleName = getExternalHelpersModuleName(node);
- if (externalHelpersModuleName) {
- return externalHelpersModuleName;
- }
- var moduleKind = ts.getEmitModuleKind(compilerOptions);
- var create = (hasExportStarsToExportValues || (compilerOptions.esModuleInterop && hasImportStarOrImportDefault))
- && moduleKind !== ts.ModuleKind.System
- && moduleKind < ts.ModuleKind.ES2015;
- if (!create) {
- var helpers = ts.getEmitHelpers(node);
- if (helpers) {
- for (var _i = 0, helpers_3 = helpers; _i < helpers_3.length; _i++) {
- var helper = helpers_3[_i];
- if (!helper.scoped) {
- create = true;
- break;
- }
- }
- }
- }
- if (create) {
- var parseNode = ts.getOriginalNode(node, ts.isSourceFile);
- var emitNode = ts.getOrCreateEmitNode(parseNode);
- return emitNode.externalHelpersModuleName || (emitNode.externalHelpersModuleName = ts.createUniqueName(ts.externalHelpersModuleNameText));
- }
- }
- }
- ts.getOrCreateExternalHelpersModuleNameIfNeeded = getOrCreateExternalHelpersModuleNameIfNeeded;
- /**
- * Get the name of that target module from an import or export declaration
- */
- function getLocalNameForExternalImport(node, sourceFile) {
- var namespaceDeclaration = ts.getNamespaceDeclarationNode(node);
- if (namespaceDeclaration && !ts.isDefaultImport(node)) {
- var name = namespaceDeclaration.name;
- return ts.isGeneratedIdentifier(name) ? name : ts.createIdentifier(ts.getSourceTextOfNodeFromSourceFile(sourceFile, name) || ts.idText(name));
- }
- if (node.kind === 254 /* ImportDeclaration */ && node.importClause) {
- return ts.getGeneratedNameForNode(node);
- }
- if (node.kind === 260 /* ExportDeclaration */ && node.moduleSpecifier) {
- return ts.getGeneratedNameForNode(node);
- }
- return undefined;
- }
- ts.getLocalNameForExternalImport = getLocalNameForExternalImport;
- /**
- * Get the name of a target module from an import/export declaration as should be written in the emitted output.
- * The emitted output name can be different from the input if:
- * 1. The module has a /// <amd-module name="<new name>" />
- * 2. --out or --outFile is used, making the name relative to the rootDir
- * 3- The containing SourceFile has an entry in renamedDependencies for the import as requested by some module loaders (e.g. System).
- * Otherwise, a new StringLiteral node representing the module name will be returned.
- */
- function getExternalModuleNameLiteral(importNode, sourceFile, host, resolver, compilerOptions) {
- var moduleName = ts.getExternalModuleName(importNode); // TODO: GH#18217
- if (moduleName.kind === 10 /* StringLiteral */) {
- return tryGetModuleNameFromDeclaration(importNode, host, resolver, compilerOptions)
- || tryRenameExternalModule(moduleName, sourceFile)
- || ts.getSynthesizedClone(moduleName);
- }
- return undefined;
- }
- ts.getExternalModuleNameLiteral = getExternalModuleNameLiteral;
- /**
- * Some bundlers (SystemJS builder) sometimes want to rename dependencies.
- * Here we check if alternative name was provided for a given moduleName and return it if possible.
- */
- function tryRenameExternalModule(moduleName, sourceFile) {
- var rename = sourceFile.renamedDependencies && sourceFile.renamedDependencies.get(moduleName.text);
- return rename && ts.createLiteral(rename);
- }
- /**
- * Get the name of a module as should be written in the emitted output.
- * The emitted output name can be different from the input if:
- * 1. The module has a /// <amd-module name="<new name>" />
- * 2. --out or --outFile is used, making the name relative to the rootDir
- * Otherwise, a new StringLiteral node representing the module name will be returned.
- */
- function tryGetModuleNameFromFile(file, host, options) {
- if (!file) {
- return undefined;
- }
- if (file.moduleName) {
- return ts.createLiteral(file.moduleName);
- }
- if (!file.isDeclarationFile && (options.out || options.outFile)) {
- return ts.createLiteral(ts.getExternalModuleNameFromPath(host, file.fileName));
- }
- return undefined;
- }
- ts.tryGetModuleNameFromFile = tryGetModuleNameFromFile;
- function tryGetModuleNameFromDeclaration(declaration, host, resolver, compilerOptions) {
- return tryGetModuleNameFromFile(resolver.getExternalModuleFileFromDeclaration(declaration), host, compilerOptions);
- }
- /**
- * Gets the initializer of an BindingOrAssignmentElement.
- */
- function getInitializerOfBindingOrAssignmentElement(bindingElement) {
- if (ts.isDeclarationBindingElement(bindingElement)) {
- // `1` in `let { a = 1 } = ...`
- // `1` in `let { a: b = 1 } = ...`
- // `1` in `let { a: {b} = 1 } = ...`
- // `1` in `let { a: [b] = 1 } = ...`
- // `1` in `let [a = 1] = ...`
- // `1` in `let [{a} = 1] = ...`
- // `1` in `let [[a] = 1] = ...`
- return bindingElement.initializer;
- }
- if (ts.isPropertyAssignment(bindingElement)) {
- // `1` in `({ a: b = 1 } = ...)`
- // `1` in `({ a: {b} = 1 } = ...)`
- // `1` in `({ a: [b] = 1 } = ...)`
- var initializer = bindingElement.initializer;
- return ts.isAssignmentExpression(initializer, /*excludeCompoundAssignment*/ true)
- ? initializer.right
- : undefined;
- }
- if (ts.isShorthandPropertyAssignment(bindingElement)) {
- // `1` in `({ a = 1 } = ...)`
- return bindingElement.objectAssignmentInitializer;
- }
- if (ts.isAssignmentExpression(bindingElement, /*excludeCompoundAssignment*/ true)) {
- // `1` in `[a = 1] = ...`
- // `1` in `[{a} = 1] = ...`
- // `1` in `[[a] = 1] = ...`
- return bindingElement.right;
- }
- if (ts.isSpreadElement(bindingElement)) {
- // Recovery consistent with existing emit.
- return getInitializerOfBindingOrAssignmentElement(bindingElement.expression);
- }
- }
- ts.getInitializerOfBindingOrAssignmentElement = getInitializerOfBindingOrAssignmentElement;
- /**
- * Gets the name of an BindingOrAssignmentElement.
- */
- function getTargetOfBindingOrAssignmentElement(bindingElement) {
- if (ts.isDeclarationBindingElement(bindingElement)) {
- // `a` in `let { a } = ...`
- // `a` in `let { a = 1 } = ...`
- // `b` in `let { a: b } = ...`
- // `b` in `let { a: b = 1 } = ...`
- // `a` in `let { ...a } = ...`
- // `{b}` in `let { a: {b} } = ...`
- // `{b}` in `let { a: {b} = 1 } = ...`
- // `[b]` in `let { a: [b] } = ...`
- // `[b]` in `let { a: [b] = 1 } = ...`
- // `a` in `let [a] = ...`
- // `a` in `let [a = 1] = ...`
- // `a` in `let [...a] = ...`
- // `{a}` in `let [{a}] = ...`
- // `{a}` in `let [{a} = 1] = ...`
- // `[a]` in `let [[a]] = ...`
- // `[a]` in `let [[a] = 1] = ...`
- return bindingElement.name;
- }
- if (ts.isObjectLiteralElementLike(bindingElement)) {
- switch (bindingElement.kind) {
- case 281 /* PropertyAssignment */:
- // `b` in `({ a: b } = ...)`
- // `b` in `({ a: b = 1 } = ...)`
- // `{b}` in `({ a: {b} } = ...)`
- // `{b}` in `({ a: {b} = 1 } = ...)`
- // `[b]` in `({ a: [b] } = ...)`
- // `[b]` in `({ a: [b] = 1 } = ...)`
- // `b.c` in `({ a: b.c } = ...)`
- // `b.c` in `({ a: b.c = 1 } = ...)`
- // `b[0]` in `({ a: b[0] } = ...)`
- // `b[0]` in `({ a: b[0] = 1 } = ...)`
- return getTargetOfBindingOrAssignmentElement(bindingElement.initializer);
- case 282 /* ShorthandPropertyAssignment */:
- // `a` in `({ a } = ...)`
- // `a` in `({ a = 1 } = ...)`
- return bindingElement.name;
- case 283 /* SpreadAssignment */:
- // `a` in `({ ...a } = ...)`
- return getTargetOfBindingOrAssignmentElement(bindingElement.expression);
- }
- // no target
- return undefined;
- }
- if (ts.isAssignmentExpression(bindingElement, /*excludeCompoundAssignment*/ true)) {
- // `a` in `[a = 1] = ...`
- // `{a}` in `[{a} = 1] = ...`
- // `[a]` in `[[a] = 1] = ...`
- // `a.b` in `[a.b = 1] = ...`
- // `a[0]` in `[a[0] = 1] = ...`
- return getTargetOfBindingOrAssignmentElement(bindingElement.left);
- }
- if (ts.isSpreadElement(bindingElement)) {
- // `a` in `[...a] = ...`
- return getTargetOfBindingOrAssignmentElement(bindingElement.expression);
- }
- // `a` in `[a] = ...`
- // `{a}` in `[{a}] = ...`
- // `[a]` in `[[a]] = ...`
- // `a.b` in `[a.b] = ...`
- // `a[0]` in `[a[0]] = ...`
- return bindingElement;
- }
- ts.getTargetOfBindingOrAssignmentElement = getTargetOfBindingOrAssignmentElement;
- /**
- * Determines whether an BindingOrAssignmentElement is a rest element.
- */
- function getRestIndicatorOfBindingOrAssignmentElement(bindingElement) {
- switch (bindingElement.kind) {
- case 156 /* Parameter */:
- case 191 /* BindingElement */:
- // `...` in `let [...a] = ...`
- return bindingElement.dotDotDotToken;
- case 213 /* SpreadElement */:
- case 283 /* SpreadAssignment */:
- // `...` in `[...a] = ...`
- return bindingElement;
- }
- return undefined;
- }
- ts.getRestIndicatorOfBindingOrAssignmentElement = getRestIndicatorOfBindingOrAssignmentElement;
- /**
- * Gets the property name of a BindingOrAssignmentElement
- */
- function getPropertyNameOfBindingOrAssignmentElement(bindingElement) {
- var propertyName = tryGetPropertyNameOfBindingOrAssignmentElement(bindingElement);
- ts.Debug.assert(!!propertyName || ts.isSpreadAssignment(bindingElement), "Invalid property name for binding element.");
- return propertyName;
- }
- ts.getPropertyNameOfBindingOrAssignmentElement = getPropertyNameOfBindingOrAssignmentElement;
- function tryGetPropertyNameOfBindingOrAssignmentElement(bindingElement) {
- switch (bindingElement.kind) {
- case 191 /* BindingElement */:
- // `a` in `let { a: b } = ...`
- // `[a]` in `let { [a]: b } = ...`
- // `"a"` in `let { "a": b } = ...`
- // `1` in `let { 1: b } = ...`
- if (bindingElement.propertyName) {
- var propertyName = bindingElement.propertyName;
- if (ts.isPrivateIdentifier(propertyName)) {
- return ts.Debug.failBadSyntaxKind(propertyName);
- }
- return ts.isComputedPropertyName(propertyName) && isStringOrNumericLiteral(propertyName.expression)
- ? propertyName.expression
- : propertyName;
- }
- break;
- case 281 /* PropertyAssignment */:
- // `a` in `({ a: b } = ...)`
- // `[a]` in `({ [a]: b } = ...)`
- // `"a"` in `({ "a": b } = ...)`
- // `1` in `({ 1: b } = ...)`
- if (bindingElement.name) {
- var propertyName = bindingElement.name;
- if (ts.isPrivateIdentifier(propertyName)) {
- return ts.Debug.failBadSyntaxKind(propertyName);
- }
- return ts.isComputedPropertyName(propertyName) && isStringOrNumericLiteral(propertyName.expression)
- ? propertyName.expression
- : propertyName;
- }
- break;
- case 283 /* SpreadAssignment */:
- // `a` in `({ ...a } = ...)`
- if (bindingElement.name && ts.isPrivateIdentifier(bindingElement.name)) {
- return ts.Debug.failBadSyntaxKind(bindingElement.name);
- }
- return bindingElement.name;
- }
- var target = getTargetOfBindingOrAssignmentElement(bindingElement);
- if (target && ts.isPropertyName(target)) {
- return target;
- }
- }
- ts.tryGetPropertyNameOfBindingOrAssignmentElement = tryGetPropertyNameOfBindingOrAssignmentElement;
- function isStringOrNumericLiteral(node) {
- var kind = node.kind;
- return kind === 10 /* StringLiteral */
- || kind === 8 /* NumericLiteral */;
- }
- /**
- * Gets the elements of a BindingOrAssignmentPattern
- */
- function getElementsOfBindingOrAssignmentPattern(name) {
- switch (name.kind) {
- case 189 /* ObjectBindingPattern */:
- case 190 /* ArrayBindingPattern */:
- case 192 /* ArrayLiteralExpression */:
- // `a` in `{a}`
- // `a` in `[a]`
- return name.elements;
- case 193 /* ObjectLiteralExpression */:
- // `a` in `{a}`
- return name.properties;
- }
- }
- ts.getElementsOfBindingOrAssignmentPattern = getElementsOfBindingOrAssignmentPattern;
- function convertToArrayAssignmentElement(element) {
- if (ts.isBindingElement(element)) {
- if (element.dotDotDotToken) {
- ts.Debug.assertNode(element.name, ts.isIdentifier);
- return ts.setOriginalNode(ts.setTextRange(ts.createSpread(element.name), element), element);
- }
- var expression = convertToAssignmentElementTarget(element.name);
- return element.initializer
- ? ts.setOriginalNode(ts.setTextRange(ts.createAssignment(expression, element.initializer), element), element)
- : expression;
- }
- ts.Debug.assertNode(element, ts.isExpression);
- return element;
- }
- ts.convertToArrayAssignmentElement = convertToArrayAssignmentElement;
- function convertToObjectAssignmentElement(element) {
- if (ts.isBindingElement(element)) {
- if (element.dotDotDotToken) {
- ts.Debug.assertNode(element.name, ts.isIdentifier);
- return ts.setOriginalNode(ts.setTextRange(ts.createSpreadAssignment(element.name), element), element);
- }
- if (element.propertyName) {
- var expression = convertToAssignmentElementTarget(element.name);
- return ts.setOriginalNode(ts.setTextRange(ts.createPropertyAssignment(element.propertyName, element.initializer ? ts.createAssignment(expression, element.initializer) : expression), element), element);
- }
- ts.Debug.assertNode(element.name, ts.isIdentifier);
- return ts.setOriginalNode(ts.setTextRange(ts.createShorthandPropertyAssignment(element.name, element.initializer), element), element);
- }
- ts.Debug.assertNode(element, ts.isObjectLiteralElementLike);
- return element;
- }
- ts.convertToObjectAssignmentElement = convertToObjectAssignmentElement;
- function convertToAssignmentPattern(node) {
- switch (node.kind) {
- case 190 /* ArrayBindingPattern */:
- case 192 /* ArrayLiteralExpression */:
- return convertToArrayAssignmentPattern(node);
- case 189 /* ObjectBindingPattern */:
- case 193 /* ObjectLiteralExpression */:
- return convertToObjectAssignmentPattern(node);
- }
- }
- ts.convertToAssignmentPattern = convertToAssignmentPattern;
- function convertToObjectAssignmentPattern(node) {
- if (ts.isObjectBindingPattern(node)) {
- return ts.setOriginalNode(ts.setTextRange(ts.createObjectLiteral(ts.map(node.elements, convertToObjectAssignmentElement)), node), node);
- }
- ts.Debug.assertNode(node, ts.isObjectLiteralExpression);
- return node;
- }
- ts.convertToObjectAssignmentPattern = convertToObjectAssignmentPattern;
- function convertToArrayAssignmentPattern(node) {
- if (ts.isArrayBindingPattern(node)) {
- return ts.setOriginalNode(ts.setTextRange(ts.createArrayLiteral(ts.map(node.elements, convertToArrayAssignmentElement)), node), node);
- }
- ts.Debug.assertNode(node, ts.isArrayLiteralExpression);
- return node;
- }
- ts.convertToArrayAssignmentPattern = convertToArrayAssignmentPattern;
- function convertToAssignmentElementTarget(node) {
- if (ts.isBindingPattern(node)) {
- return convertToAssignmentPattern(node);
- }
- ts.Debug.assertNode(node, ts.isExpression);
- return node;
- }
- ts.convertToAssignmentElementTarget = convertToAssignmentElementTarget;
-})(ts || (ts = {}));
-var ts;
-(function (ts) {
- var isTypeNodeOrTypeParameterDeclaration = ts.or(ts.isTypeNode, ts.isTypeParameterDeclaration);
- function visitNode(node, visitor, test, lift) {
- if (node === undefined || visitor === undefined) {
- return node;
- }
- ts.aggregateTransformFlags(node);
- var visited = visitor(node);
- if (visited === node) {
- return node;
- }
- var visitedNode;
- if (visited === undefined) {
- return undefined;
- }
- else if (ts.isArray(visited)) {
- visitedNode = (lift || extractSingleNode)(visited);
- }
- else {
- visitedNode = visited;
- }
- ts.Debug.assertNode(visitedNode, test);
- ts.aggregateTransformFlags(visitedNode);
- return visitedNode;
- }
- ts.visitNode = visitNode;
- /**
- * Visits a NodeArray using the supplied visitor, possibly returning a new NodeArray in its place.
- *
- * @param nodes The NodeArray to visit.
- * @param visitor The callback used to visit a Node.
- * @param test A node test to execute for each node.
- * @param start An optional value indicating the starting offset at which to start visiting.
- * @param count An optional value indicating the maximum number of nodes to visit.
- */
- function visitNodes(nodes, visitor, test, start, count) {
- if (nodes === undefined || visitor === undefined) {
- return nodes;
- }
- var updated;
- // Ensure start and count have valid values
- var length = nodes.length;
- if (start === undefined || start < 0) {
- start = 0;
- }
- if (count === undefined || count > length - start) {
- count = length - start;
- }
- if (start > 0 || count < length) {
- // If we are not visiting all of the original nodes, we must always create a new array.
- // Since this is a fragment of a node array, we do not copy over the previous location
- // and will only copy over `hasTrailingComma` if we are including the last element.
- updated = ts.createNodeArray([], /*hasTrailingComma*/ nodes.hasTrailingComma && start + count === length);
- }
- // Visit each original node.
- for (var i = 0; i < count; i++) {
- var node = nodes[i + start];
- ts.aggregateTransformFlags(node);
- var visited = node !== undefined ? visitor(node) : undefined;
- if (updated !== undefined || visited === undefined || visited !== node) {
- if (updated === undefined) {
- // Ensure we have a copy of `nodes`, up to the current index.
- updated = ts.createNodeArray(nodes.slice(0, i), nodes.hasTrailingComma);
- ts.setTextRange(updated, nodes);
- }
- if (visited) {
- if (ts.isArray(visited)) {
- for (var _i = 0, visited_1 = visited; _i < visited_1.length; _i++) {
- var visitedNode = visited_1[_i];
- ts.Debug.assertNode(visitedNode, test);
- ts.aggregateTransformFlags(visitedNode);
- updated.push(visitedNode);
- }
- }
- else {
- ts.Debug.assertNode(visited, test);
- ts.aggregateTransformFlags(visited);
- updated.push(visited);
- }
- }
- }
- }
- return updated || nodes;
- }
- ts.visitNodes = visitNodes;
- /**
- * Starts a new lexical environment and visits a statement list, ending the lexical environment
- * and merging hoisted declarations upon completion.
- */
- function visitLexicalEnvironment(statements, visitor, context, start, ensureUseStrict) {
- context.startLexicalEnvironment();
- statements = visitNodes(statements, visitor, ts.isStatement, start);
- if (ensureUseStrict)
- statements = ts.ensureUseStrict(statements); // eslint-disable-line @typescript-eslint/no-unnecessary-qualifier
- return ts.mergeLexicalEnvironment(statements, context.endLexicalEnvironment());
- }
- ts.visitLexicalEnvironment = visitLexicalEnvironment;
- function visitParameterList(nodes, visitor, context, nodesVisitor) {
- if (nodesVisitor === void 0) { nodesVisitor = visitNodes; }
- var updated;
- context.startLexicalEnvironment();
- if (nodes) {
- context.setLexicalEnvironmentFlags(1 /* InParameters */, true);
- updated = nodesVisitor(nodes, visitor, ts.isParameterDeclaration);
- // As of ES2015, any runtime execution of that occurs in for a parameter (such as evaluating an
- // initializer or a binding pattern), occurs in its own lexical scope. As a result, any expression
- // that we might transform that introduces a temporary variable would fail as the temporary variable
- // exists in a different lexical scope. To address this, we move any binding patterns and initializers
- // in a parameter list to the body if we detect a variable being hoisted while visiting a parameter list
- // when the emit target is greater than ES2015.
- if (context.getLexicalEnvironmentFlags() & 2 /* VariablesHoistedInParameters */ &&
- ts.getEmitScriptTarget(context.getCompilerOptions()) >= 2 /* ES2015 */) {
- updated = addDefaultValueAssignmentsIfNeeded(updated, context);
- }
- context.setLexicalEnvironmentFlags(1 /* InParameters */, false);
- }
- context.suspendLexicalEnvironment();
- return updated;
- }
- ts.visitParameterList = visitParameterList;
- function addDefaultValueAssignmentsIfNeeded(parameters, context) {
- var result;
- for (var i = 0; i < parameters.length; i++) {
- var parameter = parameters[i];
- var updated = addDefaultValueAssignmentIfNeeded(parameter, context);
- if (result || updated !== parameter) {
- if (!result)
- result = parameters.slice(0, i);
- result[i] = updated;
- }
- }
- if (result) {
- return ts.setTextRange(ts.createNodeArray(result, parameters.hasTrailingComma), parameters);
- }
- return parameters;
- }
- function addDefaultValueAssignmentIfNeeded(parameter, context) {
- // A rest parameter cannot have a binding pattern or an initializer,
- // so let's just ignore it.
- return parameter.dotDotDotToken ? parameter :
- ts.isBindingPattern(parameter.name) ? addDefaultValueAssignmentForBindingPattern(parameter, context) :
- parameter.initializer ? addDefaultValueAssignmentForInitializer(parameter, parameter.name, parameter.initializer, context) :
- parameter;
- }
- function addDefaultValueAssignmentForBindingPattern(parameter, context) {
- context.addInitializationStatement(ts.createVariableStatement(
- /*modifiers*/ undefined, ts.createVariableDeclarationList([
- ts.createVariableDeclaration(parameter.name, parameter.type, parameter.initializer ?
- ts.createConditional(ts.createStrictEquality(ts.getGeneratedNameForNode(parameter), ts.createVoidZero()), parameter.initializer, ts.getGeneratedNameForNode(parameter)) :
- ts.getGeneratedNameForNode(parameter)),
- ])));
- return ts.updateParameter(parameter, parameter.decorators, parameter.modifiers, parameter.dotDotDotToken, ts.getGeneratedNameForNode(parameter), parameter.questionToken, parameter.type,
- /*initializer*/ undefined);
- }
- function addDefaultValueAssignmentForInitializer(parameter, name, initializer, context) {
- context.addInitializationStatement(ts.createIf(ts.createTypeCheck(ts.getSynthesizedClone(name), "undefined"), ts.setEmitFlags(ts.setTextRange(ts.createBlock([
- ts.createExpressionStatement(ts.setEmitFlags(ts.setTextRange(ts.createAssignment(ts.setEmitFlags(ts.getMutableClone(name), 48 /* NoSourceMap */), ts.setEmitFlags(initializer, 48 /* NoSourceMap */ | ts.getEmitFlags(initializer) | 1536 /* NoComments */)), parameter), 1536 /* NoComments */))
- ]), parameter), 1 /* SingleLine */ | 32 /* NoTrailingSourceMap */ | 384 /* NoTokenSourceMaps */ | 1536 /* NoComments */)));
- return ts.updateParameter(parameter, parameter.decorators, parameter.modifiers, parameter.dotDotDotToken, parameter.name, parameter.questionToken, parameter.type,
- /*initializer*/ undefined);
- }
- function visitFunctionBody(node, visitor, context) {
- context.resumeLexicalEnvironment();
- var updated = visitNode(node, visitor, ts.isConciseBody);
- var declarations = context.endLexicalEnvironment();
- if (ts.some(declarations)) {
- var block = ts.convertToFunctionBody(updated);
- var statements = ts.mergeLexicalEnvironment(block.statements, declarations);
- return ts.updateBlock(block, statements);
- }
- return updated;
- }
- ts.visitFunctionBody = visitFunctionBody;
- function visitEachChild(node, visitor, context, nodesVisitor, tokenVisitor) {
- if (nodesVisitor === void 0) { nodesVisitor = visitNodes; }
- if (node === undefined) {
- return undefined;
- }
- var kind = node.kind;
- // No need to visit nodes with no children.
- if ((kind > 0 /* FirstToken */ && kind <= 152 /* LastToken */) || kind === 183 /* ThisType */) {
- return node;
- }
- switch (kind) {
- // Names
- case 75 /* Identifier */:
- return ts.updateIdentifier(node, nodesVisitor(node.typeArguments, visitor, isTypeNodeOrTypeParameterDeclaration));
- case 153 /* QualifiedName */:
- return ts.updateQualifiedName(node, visitNode(node.left, visitor, ts.isEntityName), visitNode(node.right, visitor, ts.isIdentifier));
- case 154 /* ComputedPropertyName */:
- return ts.updateComputedPropertyName(node, visitNode(node.expression, visitor, ts.isExpression));
- // Signature elements
- case 155 /* TypeParameter */:
- return ts.updateTypeParameterDeclaration(node, visitNode(node.name, visitor, ts.isIdentifier), visitNode(node.constraint, visitor, ts.isTypeNode), visitNode(node.default, visitor, ts.isTypeNode));
- case 156 /* Parameter */:
- return ts.updateParameter(node, nodesVisitor(node.decorators, visitor, ts.isDecorator), nodesVisitor(node.modifiers, visitor, ts.isModifier), visitNode(node.dotDotDotToken, tokenVisitor, ts.isToken), visitNode(node.name, visitor, ts.isBindingName), visitNode(node.questionToken, tokenVisitor, ts.isToken), visitNode(node.type, visitor, ts.isTypeNode), visitNode(node.initializer, visitor, ts.isExpression));
- case 157 /* Decorator */:
- return ts.updateDecorator(node, visitNode(node.expression, visitor, ts.isExpression));
- // Type elements
- case 158 /* PropertySignature */:
- return ts.updatePropertySignature(node, nodesVisitor(node.modifiers, visitor, ts.isToken), visitNode(node.name, visitor, ts.isPropertyName), visitNode(node.questionToken, tokenVisitor, ts.isToken), visitNode(node.type, visitor, ts.isTypeNode), visitNode(node.initializer, visitor, ts.isExpression));
- case 159 /* PropertyDeclaration */:
- return ts.updateProperty(node, nodesVisitor(node.decorators, visitor, ts.isDecorator), nodesVisitor(node.modifiers, visitor, ts.isModifier), visitNode(node.name, visitor, ts.isPropertyName),
- // QuestionToken and ExclamationToken is uniqued in Property Declaration and the signature of 'updateProperty' is that too
- visitNode(node.questionToken || node.exclamationToken, tokenVisitor, ts.isToken), visitNode(node.type, visitor, ts.isTypeNode), visitNode(node.initializer, visitor, ts.isExpression));
- case 160 /* MethodSignature */:
- return ts.updateMethodSignature(node, nodesVisitor(node.typeParameters, visitor, ts.isTypeParameterDeclaration), nodesVisitor(node.parameters, visitor, ts.isParameterDeclaration), visitNode(node.type, visitor, ts.isTypeNode), visitNode(node.name, visitor, ts.isPropertyName), visitNode(node.questionToken, tokenVisitor, ts.isToken));
- case 161 /* MethodDeclaration */:
- return ts.updateMethod(node, nodesVisitor(node.decorators, visitor, ts.isDecorator), nodesVisitor(node.modifiers, visitor, ts.isModifier), visitNode(node.asteriskToken, tokenVisitor, ts.isToken), visitNode(node.name, visitor, ts.isPropertyName), visitNode(node.questionToken, tokenVisitor, ts.isToken), nodesVisitor(node.typeParameters, visitor, ts.isTypeParameterDeclaration), visitParameterList(node.parameters, visitor, context, nodesVisitor), visitNode(node.type, visitor, ts.isTypeNode), visitFunctionBody(node.body, visitor, context));
- case 162 /* Constructor */:
- return ts.updateConstructor(node, nodesVisitor(node.decorators, visitor, ts.isDecorator), nodesVisitor(node.modifiers, visitor, ts.isModifier), visitParameterList(node.parameters, visitor, context, nodesVisitor), visitFunctionBody(node.body, visitor, context));
- case 163 /* GetAccessor */:
- return ts.updateGetAccessor(node, nodesVisitor(node.decorators, visitor, ts.isDecorator), nodesVisitor(node.modifiers, visitor, ts.isModifier), visitNode(node.name, visitor, ts.isPropertyName), visitParameterList(node.parameters, visitor, context, nodesVisitor), visitNode(node.type, visitor, ts.isTypeNode), visitFunctionBody(node.body, visitor, context));
- case 164 /* SetAccessor */:
- return ts.updateSetAccessor(node, nodesVisitor(node.decorators, visitor, ts.isDecorator), nodesVisitor(node.modifiers, visitor, ts.isModifier), visitNode(node.name, visitor, ts.isPropertyName), visitParameterList(node.parameters, visitor, context, nodesVisitor), visitFunctionBody(node.body, visitor, context));
- case 165 /* CallSignature */:
- return ts.updateCallSignature(node, nodesVisitor(node.typeParameters, visitor, ts.isTypeParameterDeclaration), nodesVisitor(node.parameters, visitor, ts.isParameterDeclaration), visitNode(node.type, visitor, ts.isTypeNode));
- case 166 /* ConstructSignature */:
- return ts.updateConstructSignature(node, nodesVisitor(node.typeParameters, visitor, ts.isTypeParameterDeclaration), nodesVisitor(node.parameters, visitor, ts.isParameterDeclaration), visitNode(node.type, visitor, ts.isTypeNode));
- case 167 /* IndexSignature */:
- return ts.updateIndexSignature(node, nodesVisitor(node.decorators, visitor, ts.isDecorator), nodesVisitor(node.modifiers, visitor, ts.isModifier), nodesVisitor(node.parameters, visitor, ts.isParameterDeclaration), visitNode(node.type, visitor, ts.isTypeNode));
- // Types
- case 168 /* TypePredicate */:
- return ts.updateTypePredicateNodeWithModifier(node, visitNode(node.assertsModifier, visitor), visitNode(node.parameterName, visitor), visitNode(node.type, visitor, ts.isTypeNode));
- case 169 /* TypeReference */:
- return ts.updateTypeReferenceNode(node, visitNode(node.typeName, visitor, ts.isEntityName), nodesVisitor(node.typeArguments, visitor, ts.isTypeNode));
- case 170 /* FunctionType */:
- return ts.updateFunctionTypeNode(node, nodesVisitor(node.typeParameters, visitor, ts.isTypeParameterDeclaration), nodesVisitor(node.parameters, visitor, ts.isParameterDeclaration), visitNode(node.type, visitor, ts.isTypeNode));
- case 171 /* ConstructorType */:
- return ts.updateConstructorTypeNode(node, nodesVisitor(node.typeParameters, visitor, ts.isTypeParameterDeclaration), nodesVisitor(node.parameters, visitor, ts.isParameterDeclaration), visitNode(node.type, visitor, ts.isTypeNode));
- case 172 /* TypeQuery */:
- return ts.updateTypeQueryNode(node, visitNode(node.exprName, visitor, ts.isEntityName));
- case 173 /* TypeLiteral */:
- return ts.updateTypeLiteralNode(node, nodesVisitor(node.members, visitor, ts.isTypeElement));
- case 174 /* ArrayType */:
- return ts.updateArrayTypeNode(node, visitNode(node.elementType, visitor, ts.isTypeNode));
- case 175 /* TupleType */:
- return ts.updateTupleTypeNode(node, nodesVisitor(node.elementTypes, visitor, ts.isTypeNode));
- case 176 /* OptionalType */:
- return ts.updateOptionalTypeNode(node, visitNode(node.type, visitor, ts.isTypeNode));
- case 177 /* RestType */:
- return ts.updateRestTypeNode(node, visitNode(node.type, visitor, ts.isTypeNode));
- case 178 /* UnionType */:
- return ts.updateUnionTypeNode(node, nodesVisitor(node.types, visitor, ts.isTypeNode));
- case 179 /* IntersectionType */:
- return ts.updateIntersectionTypeNode(node, nodesVisitor(node.types, visitor, ts.isTypeNode));
- case 180 /* ConditionalType */:
- return ts.updateConditionalTypeNode(node, visitNode(node.checkType, visitor, ts.isTypeNode), visitNode(node.extendsType, visitor, ts.isTypeNode), visitNode(node.trueType, visitor, ts.isTypeNode), visitNode(node.falseType, visitor, ts.isTypeNode));
- case 181 /* InferType */:
- return ts.updateInferTypeNode(node, visitNode(node.typeParameter, visitor, ts.isTypeParameterDeclaration));
- case 188 /* ImportType */:
- return ts.updateImportTypeNode(node, visitNode(node.argument, visitor, ts.isTypeNode), visitNode(node.qualifier, visitor, ts.isEntityName), visitNodes(node.typeArguments, visitor, ts.isTypeNode), node.isTypeOf);
- case 182 /* ParenthesizedType */:
- return ts.updateParenthesizedType(node, visitNode(node.type, visitor, ts.isTypeNode));
- case 184 /* TypeOperator */:
- return ts.updateTypeOperatorNode(node, visitNode(node.type, visitor, ts.isTypeNode));
- case 185 /* IndexedAccessType */:
- return ts.updateIndexedAccessTypeNode(node, visitNode(node.objectType, visitor, ts.isTypeNode), visitNode(node.indexType, visitor, ts.isTypeNode));
- case 186 /* MappedType */:
- return ts.updateMappedTypeNode(node, visitNode(node.readonlyToken, tokenVisitor, ts.isToken), visitNode(node.typeParameter, visitor, ts.isTypeParameterDeclaration), visitNode(node.questionToken, tokenVisitor, ts.isToken), visitNode(node.type, visitor, ts.isTypeNode));
- case 187 /* LiteralType */:
- return ts.updateLiteralTypeNode(node, visitNode(node.literal, visitor, ts.isExpression));
- // Binding patterns
- case 189 /* ObjectBindingPattern */:
- return ts.updateObjectBindingPattern(node, nodesVisitor(node.elements, visitor, ts.isBindingElement));
- case 190 /* ArrayBindingPattern */:
- return ts.updateArrayBindingPattern(node, nodesVisitor(node.elements, visitor, ts.isArrayBindingElement));
- case 191 /* BindingElement */:
- return ts.updateBindingElement(node, visitNode(node.dotDotDotToken, tokenVisitor, ts.isToken), visitNode(node.propertyName, visitor, ts.isPropertyName), visitNode(node.name, visitor, ts.isBindingName), visitNode(node.initializer, visitor, ts.isExpression));
- // Expression
- case 192 /* ArrayLiteralExpression */:
- return ts.updateArrayLiteral(node, nodesVisitor(node.elements, visitor, ts.isExpression));
- case 193 /* ObjectLiteralExpression */:
- return ts.updateObjectLiteral(node, nodesVisitor(node.properties, visitor, ts.isObjectLiteralElementLike));
- case 194 /* PropertyAccessExpression */:
- if (node.flags & 32 /* OptionalChain */) {
- return ts.updatePropertyAccessChain(node, visitNode(node.expression, visitor, ts.isExpression), visitNode(node.questionDotToken, tokenVisitor, ts.isToken), visitNode(node.name, visitor, ts.isIdentifier));
- }
- return ts.updatePropertyAccess(node, visitNode(node.expression, visitor, ts.isExpression), visitNode(node.name, visitor, ts.isIdentifierOrPrivateIdentifier));
- case 195 /* ElementAccessExpression */:
- if (node.flags & 32 /* OptionalChain */) {
- return ts.updateElementAccessChain(node, visitNode(node.expression, visitor, ts.isExpression), visitNode(node.questionDotToken, tokenVisitor, ts.isToken), visitNode(node.argumentExpression, visitor, ts.isExpression));
- }
- return ts.updateElementAccess(node, visitNode(node.expression, visitor, ts.isExpression), visitNode(node.argumentExpression, visitor, ts.isExpression));
- case 196 /* CallExpression */:
- if (node.flags & 32 /* OptionalChain */) {
- return ts.updateCallChain(node, visitNode(node.expression, visitor, ts.isExpression), visitNode(node.questionDotToken, tokenVisitor, ts.isToken), nodesVisitor(node.typeArguments, visitor, ts.isTypeNode), nodesVisitor(node.arguments, visitor, ts.isExpression));
- }
- return ts.updateCall(node, visitNode(node.expression, visitor, ts.isExpression), nodesVisitor(node.typeArguments, visitor, ts.isTypeNode), nodesVisitor(node.arguments, visitor, ts.isExpression));
- case 197 /* NewExpression */:
- return ts.updateNew(node, visitNode(node.expression, visitor, ts.isExpression), nodesVisitor(node.typeArguments, visitor, ts.isTypeNode), nodesVisitor(node.arguments, visitor, ts.isExpression));
- case 198 /* TaggedTemplateExpression */:
- return ts.updateTaggedTemplate(node, visitNode(node.tag, visitor, ts.isExpression), visitNodes(node.typeArguments, visitor, ts.isExpression), visitNode(node.template, visitor, ts.isTemplateLiteral));
- case 199 /* TypeAssertionExpression */:
- return ts.updateTypeAssertion(node, visitNode(node.type, visitor, ts.isTypeNode), visitNode(node.expression, visitor, ts.isExpression));
- case 200 /* ParenthesizedExpression */:
- return ts.updateParen(node, visitNode(node.expression, visitor, ts.isExpression));
- case 201 /* FunctionExpression */:
- return ts.updateFunctionExpression(node, nodesVisitor(node.modifiers, visitor, ts.isModifier), visitNode(node.asteriskToken, tokenVisitor, ts.isToken), visitNode(node.name, visitor, ts.isIdentifier), nodesVisitor(node.typeParameters, visitor, ts.isTypeParameterDeclaration), visitParameterList(node.parameters, visitor, context, nodesVisitor), visitNode(node.type, visitor, ts.isTypeNode), visitFunctionBody(node.body, visitor, context));
- case 202 /* ArrowFunction */:
- return ts.updateArrowFunction(node, nodesVisitor(node.modifiers, visitor, ts.isModifier), nodesVisitor(node.typeParameters, visitor, ts.isTypeParameterDeclaration), visitParameterList(node.parameters, visitor, context, nodesVisitor), visitNode(node.type, visitor, ts.isTypeNode), visitNode(node.equalsGreaterThanToken, tokenVisitor, ts.isToken), visitFunctionBody(node.body, visitor, context));
- case 203 /* DeleteExpression */:
- return ts.updateDelete(node, visitNode(node.expression, visitor, ts.isExpression));
- case 204 /* TypeOfExpression */:
- return ts.updateTypeOf(node, visitNode(node.expression, visitor, ts.isExpression));
- case 205 /* VoidExpression */:
- return ts.updateVoid(node, visitNode(node.expression, visitor, ts.isExpression));
- case 206 /* AwaitExpression */:
- return ts.updateAwait(node, visitNode(node.expression, visitor, ts.isExpression));
- case 207 /* PrefixUnaryExpression */:
- return ts.updatePrefix(node, visitNode(node.operand, visitor, ts.isExpression));
- case 208 /* PostfixUnaryExpression */:
- return ts.updatePostfix(node, visitNode(node.operand, visitor, ts.isExpression));
- case 209 /* BinaryExpression */:
- return ts.updateBinary(node, visitNode(node.left, visitor, ts.isExpression), visitNode(node.right, visitor, ts.isExpression), visitNode(node.operatorToken, tokenVisitor, ts.isToken));
- case 210 /* ConditionalExpression */:
- return ts.updateConditional(node, visitNode(node.condition, visitor, ts.isExpression), visitNode(node.questionToken, tokenVisitor, ts.isToken), visitNode(node.whenTrue, visitor, ts.isExpression), visitNode(node.colonToken, tokenVisitor, ts.isToken), visitNode(node.whenFalse, visitor, ts.isExpression));
- case 211 /* TemplateExpression */:
- return ts.updateTemplateExpression(node, visitNode(node.head, visitor, ts.isTemplateHead), nodesVisitor(node.templateSpans, visitor, ts.isTemplateSpan));
- case 212 /* YieldExpression */:
- return ts.updateYield(node, visitNode(node.asteriskToken, tokenVisitor, ts.isToken), visitNode(node.expression, visitor, ts.isExpression));
- case 213 /* SpreadElement */:
- return ts.updateSpread(node, visitNode(node.expression, visitor, ts.isExpression));
- case 214 /* ClassExpression */:
- return ts.updateClassExpression(node, nodesVisitor(node.modifiers, visitor, ts.isModifier), visitNode(node.name, visitor, ts.isIdentifier), nodesVisitor(node.typeParameters, visitor, ts.isTypeParameterDeclaration), nodesVisitor(node.heritageClauses, visitor, ts.isHeritageClause), nodesVisitor(node.members, visitor, ts.isClassElement));
- case 216 /* ExpressionWithTypeArguments */:
- return ts.updateExpressionWithTypeArguments(node, nodesVisitor(node.typeArguments, visitor, ts.isTypeNode), visitNode(node.expression, visitor, ts.isExpression));
- case 217 /* AsExpression */:
- return ts.updateAsExpression(node, visitNode(node.expression, visitor, ts.isExpression), visitNode(node.type, visitor, ts.isTypeNode));
- case 218 /* NonNullExpression */:
- return ts.updateNonNullExpression(node, visitNode(node.expression, visitor, ts.isExpression));
- case 219 /* MetaProperty */:
- return ts.updateMetaProperty(node, visitNode(node.name, visitor, ts.isIdentifier));
- // Misc
- case 221 /* TemplateSpan */:
- return ts.updateTemplateSpan(node, visitNode(node.expression, visitor, ts.isExpression), visitNode(node.literal, visitor, ts.isTemplateMiddleOrTemplateTail));
- // Element
- case 223 /* Block */:
- return ts.updateBlock(node, nodesVisitor(node.statements, visitor, ts.isStatement));
- case 225 /* VariableStatement */:
- return ts.updateVariableStatement(node, nodesVisitor(node.modifiers, visitor, ts.isModifier), visitNode(node.declarationList, visitor, ts.isVariableDeclarationList));
- case 226 /* ExpressionStatement */:
- return ts.updateExpressionStatement(node, visitNode(node.expression, visitor, ts.isExpression));
- case 227 /* IfStatement */:
- return ts.updateIf(node, visitNode(node.expression, visitor, ts.isExpression), visitNode(node.thenStatement, visitor, ts.isStatement, ts.liftToBlock), visitNode(node.elseStatement, visitor, ts.isStatement, ts.liftToBlock));
- case 228 /* DoStatement */:
- return ts.updateDo(node, visitNode(node.statement, visitor, ts.isStatement, ts.liftToBlock), visitNode(node.expression, visitor, ts.isExpression));
- case 229 /* WhileStatement */:
- return ts.updateWhile(node, visitNode(node.expression, visitor, ts.isExpression), visitNode(node.statement, visitor, ts.isStatement, ts.liftToBlock));
- case 230 /* ForStatement */:
- return ts.updateFor(node, visitNode(node.initializer, visitor, ts.isForInitializer), visitNode(node.condition, visitor, ts.isExpression), visitNode(node.incrementor, visitor, ts.isExpression), visitNode(node.statement, visitor, ts.isStatement, ts.liftToBlock));
- case 231 /* ForInStatement */:
- return ts.updateForIn(node, visitNode(node.initializer, visitor, ts.isForInitializer), visitNode(node.expression, visitor, ts.isExpression), visitNode(node.statement, visitor, ts.isStatement, ts.liftToBlock));
- case 232 /* ForOfStatement */:
- return ts.updateForOf(node, visitNode(node.awaitModifier, tokenVisitor, ts.isToken), visitNode(node.initializer, visitor, ts.isForInitializer), visitNode(node.expression, visitor, ts.isExpression), visitNode(node.statement, visitor, ts.isStatement, ts.liftToBlock));
- case 233 /* ContinueStatement */:
- return ts.updateContinue(node, visitNode(node.label, visitor, ts.isIdentifier));
- case 234 /* BreakStatement */:
- return ts.updateBreak(node, visitNode(node.label, visitor, ts.isIdentifier));
- case 235 /* ReturnStatement */:
- return ts.updateReturn(node, visitNode(node.expression, visitor, ts.isExpression));
- case 236 /* WithStatement */:
- return ts.updateWith(node, visitNode(node.expression, visitor, ts.isExpression), visitNode(node.statement, visitor, ts.isStatement, ts.liftToBlock));
- case 237 /* SwitchStatement */:
- return ts.updateSwitch(node, visitNode(node.expression, visitor, ts.isExpression), visitNode(node.caseBlock, visitor, ts.isCaseBlock));
- case 238 /* LabeledStatement */:
- return ts.updateLabel(node, visitNode(node.label, visitor, ts.isIdentifier), visitNode(node.statement, visitor, ts.isStatement, ts.liftToBlock));
- case 239 /* ThrowStatement */:
- return ts.updateThrow(node, visitNode(node.expression, visitor, ts.isExpression));
- case 240 /* TryStatement */:
- return ts.updateTry(node, visitNode(node.tryBlock, visitor, ts.isBlock), visitNode(node.catchClause, visitor, ts.isCatchClause), visitNode(node.finallyBlock, visitor, ts.isBlock));
- case 242 /* VariableDeclaration */:
- return ts.updateTypeScriptVariableDeclaration(node, visitNode(node.name, visitor, ts.isBindingName), visitNode(node.exclamationToken, tokenVisitor, ts.isToken), visitNode(node.type, visitor, ts.isTypeNode), visitNode(node.initializer, visitor, ts.isExpression));
- case 243 /* VariableDeclarationList */:
- return ts.updateVariableDeclarationList(node, nodesVisitor(node.declarations, visitor, ts.isVariableDeclaration));
- case 244 /* FunctionDeclaration */:
- return ts.updateFunctionDeclaration(node, nodesVisitor(node.decorators, visitor, ts.isDecorator), nodesVisitor(node.modifiers, visitor, ts.isModifier), visitNode(node.asteriskToken, tokenVisitor, ts.isToken), visitNode(node.name, visitor, ts.isIdentifier), nodesVisitor(node.typeParameters, visitor, ts.isTypeParameterDeclaration), visitParameterList(node.parameters, visitor, context, nodesVisitor), visitNode(node.type, visitor, ts.isTypeNode), visitFunctionBody(node.body, visitor, context));
- case 245 /* ClassDeclaration */:
- return ts.updateClassDeclaration(node, nodesVisitor(node.decorators, visitor, ts.isDecorator), nodesVisitor(node.modifiers, visitor, ts.isModifier), visitNode(node.name, visitor, ts.isIdentifier), nodesVisitor(node.typeParameters, visitor, ts.isTypeParameterDeclaration), nodesVisitor(node.heritageClauses, visitor, ts.isHeritageClause), nodesVisitor(node.members, visitor, ts.isClassElement));
- case 246 /* InterfaceDeclaration */:
- return ts.updateInterfaceDeclaration(node, nodesVisitor(node.decorators, visitor, ts.isDecorator), nodesVisitor(node.modifiers, visitor, ts.isModifier), visitNode(node.name, visitor, ts.isIdentifier), nodesVisitor(node.typeParameters, visitor, ts.isTypeParameterDeclaration), nodesVisitor(node.heritageClauses, visitor, ts.isHeritageClause), nodesVisitor(node.members, visitor, ts.isTypeElement));
- case 247 /* TypeAliasDeclaration */:
- return ts.updateTypeAliasDeclaration(node, nodesVisitor(node.decorators, visitor, ts.isDecorator), nodesVisitor(node.modifiers, visitor, ts.isModifier), visitNode(node.name, visitor, ts.isIdentifier), nodesVisitor(node.typeParameters, visitor, ts.isTypeParameterDeclaration), visitNode(node.type, visitor, ts.isTypeNode));
- case 248 /* EnumDeclaration */:
- return ts.updateEnumDeclaration(node, nodesVisitor(node.decorators, visitor, ts.isDecorator), nodesVisitor(node.modifiers, visitor, ts.isModifier), visitNode(node.name, visitor, ts.isIdentifier), nodesVisitor(node.members, visitor, ts.isEnumMember));
- case 249 /* ModuleDeclaration */:
- return ts.updateModuleDeclaration(node, nodesVisitor(node.decorators, visitor, ts.isDecorator), nodesVisitor(node.modifiers, visitor, ts.isModifier), visitNode(node.name, visitor, ts.isIdentifier), visitNode(node.body, visitor, ts.isModuleBody));
- case 250 /* ModuleBlock */:
- return ts.updateModuleBlock(node, nodesVisitor(node.statements, visitor, ts.isStatement));
- case 251 /* CaseBlock */:
- return ts.updateCaseBlock(node, nodesVisitor(node.clauses, visitor, ts.isCaseOrDefaultClause));
- case 252 /* NamespaceExportDeclaration */:
- return ts.updateNamespaceExportDeclaration(node, visitNode(node.name, visitor, ts.isIdentifier));
- case 253 /* ImportEqualsDeclaration */:
- return ts.updateImportEqualsDeclaration(node, nodesVisitor(node.decorators, visitor, ts.isDecorator), nodesVisitor(node.modifiers, visitor, ts.isModifier), visitNode(node.name, visitor, ts.isIdentifier), visitNode(node.moduleReference, visitor, ts.isModuleReference));
- case 254 /* ImportDeclaration */:
- return ts.updateImportDeclaration(node, nodesVisitor(node.decorators, visitor, ts.isDecorator), nodesVisitor(node.modifiers, visitor, ts.isModifier), visitNode(node.importClause, visitor, ts.isImportClause), visitNode(node.moduleSpecifier, visitor, ts.isExpression));
- case 255 /* ImportClause */:
- return ts.updateImportClause(node, visitNode(node.name, visitor, ts.isIdentifier), visitNode(node.namedBindings, visitor, ts.isNamedImportBindings), node.isTypeOnly);
- case 256 /* NamespaceImport */:
- return ts.updateNamespaceImport(node, visitNode(node.name, visitor, ts.isIdentifier));
- case 262 /* NamespaceExport */:
- return ts.updateNamespaceExport(node, visitNode(node.name, visitor, ts.isIdentifier));
- case 257 /* NamedImports */:
- return ts.updateNamedImports(node, nodesVisitor(node.elements, visitor, ts.isImportSpecifier));
- case 258 /* ImportSpecifier */:
- return ts.updateImportSpecifier(node, visitNode(node.propertyName, visitor, ts.isIdentifier), visitNode(node.name, visitor, ts.isIdentifier));
- case 259 /* ExportAssignment */:
- return ts.updateExportAssignment(node, nodesVisitor(node.decorators, visitor, ts.isDecorator), nodesVisitor(node.modifiers, visitor, ts.isModifier), visitNode(node.expression, visitor, ts.isExpression));
- case 260 /* ExportDeclaration */:
- return ts.updateExportDeclaration(node, nodesVisitor(node.decorators, visitor, ts.isDecorator), nodesVisitor(node.modifiers, visitor, ts.isModifier), visitNode(node.exportClause, visitor, ts.isNamedExportBindings), visitNode(node.moduleSpecifier, visitor, ts.isExpression), node.isTypeOnly);
- case 261 /* NamedExports */:
- return ts.updateNamedExports(node, nodesVisitor(node.elements, visitor, ts.isExportSpecifier));
- case 263 /* ExportSpecifier */:
- return ts.updateExportSpecifier(node, visitNode(node.propertyName, visitor, ts.isIdentifier), visitNode(node.name, visitor, ts.isIdentifier));
- // Module references
- case 265 /* ExternalModuleReference */:
- return ts.updateExternalModuleReference(node, visitNode(node.expression, visitor, ts.isExpression));
- // JSX
- case 266 /* JsxElement */:
- return ts.updateJsxElement(node, visitNode(node.openingElement, visitor, ts.isJsxOpeningElement), nodesVisitor(node.children, visitor, ts.isJsxChild), visitNode(node.closingElement, visitor, ts.isJsxClosingElement));
- case 267 /* JsxSelfClosingElement */:
- return ts.updateJsxSelfClosingElement(node, visitNode(node.tagName, visitor, ts.isJsxTagNameExpression), nodesVisitor(node.typeArguments, visitor, ts.isTypeNode), visitNode(node.attributes, visitor, ts.isJsxAttributes));
- case 268 /* JsxOpeningElement */:
- return ts.updateJsxOpeningElement(node, visitNode(node.tagName, visitor, ts.isJsxTagNameExpression), nodesVisitor(node.typeArguments, visitor, ts.isTypeNode), visitNode(node.attributes, visitor, ts.isJsxAttributes));
- case 269 /* JsxClosingElement */:
- return ts.updateJsxClosingElement(node, visitNode(node.tagName, visitor, ts.isJsxTagNameExpression));
- case 270 /* JsxFragment */:
- return ts.updateJsxFragment(node, visitNode(node.openingFragment, visitor, ts.isJsxOpeningFragment), nodesVisitor(node.children, visitor, ts.isJsxChild), visitNode(node.closingFragment, visitor, ts.isJsxClosingFragment));
- case 273 /* JsxAttribute */:
- return ts.updateJsxAttribute(node, visitNode(node.name, visitor, ts.isIdentifier), visitNode(node.initializer, visitor, ts.isStringLiteralOrJsxExpression));
- case 274 /* JsxAttributes */:
- return ts.updateJsxAttributes(node, nodesVisitor(node.properties, visitor, ts.isJsxAttributeLike));
- case 275 /* JsxSpreadAttribute */:
- return ts.updateJsxSpreadAttribute(node, visitNode(node.expression, visitor, ts.isExpression));
- case 276 /* JsxExpression */:
- return ts.updateJsxExpression(node, visitNode(node.expression, visitor, ts.isExpression));
- // Clauses
- case 277 /* CaseClause */:
- return ts.updateCaseClause(node, visitNode(node.expression, visitor, ts.isExpression), nodesVisitor(node.statements, visitor, ts.isStatement));
- case 278 /* DefaultClause */:
- return ts.updateDefaultClause(node, nodesVisitor(node.statements, visitor, ts.isStatement));
- case 279 /* HeritageClause */:
- return ts.updateHeritageClause(node, nodesVisitor(node.types, visitor, ts.isExpressionWithTypeArguments));
- case 280 /* CatchClause */:
- return ts.updateCatchClause(node, visitNode(node.variableDeclaration, visitor, ts.isVariableDeclaration), visitNode(node.block, visitor, ts.isBlock));
- // Property assignments
- case 281 /* PropertyAssignment */:
- return ts.updatePropertyAssignment(node, visitNode(node.name, visitor, ts.isPropertyName), visitNode(node.initializer, visitor, ts.isExpression));
- case 282 /* ShorthandPropertyAssignment */:
- return ts.updateShorthandPropertyAssignment(node, visitNode(node.name, visitor, ts.isIdentifier), visitNode(node.objectAssignmentInitializer, visitor, ts.isExpression));
- case 283 /* SpreadAssignment */:
- return ts.updateSpreadAssignment(node, visitNode(node.expression, visitor, ts.isExpression));
- // Enum
- case 284 /* EnumMember */:
- return ts.updateEnumMember(node, visitNode(node.name, visitor, ts.isPropertyName), visitNode(node.initializer, visitor, ts.isExpression));
- // Top-level nodes
- case 290 /* SourceFile */:
- return ts.updateSourceFileNode(node, visitLexicalEnvironment(node.statements, visitor, context));
- // Transformation nodes
- case 326 /* PartiallyEmittedExpression */:
- return ts.updatePartiallyEmittedExpression(node, visitNode(node.expression, visitor, ts.isExpression));
- case 327 /* CommaListExpression */:
- return ts.updateCommaList(node, nodesVisitor(node.elements, visitor, ts.isExpression));
- default:
- // No need to visit nodes with no children.
- return node;
- }
- }
- ts.visitEachChild = visitEachChild;
- /**
- * Extracts the single node from a NodeArray.
- *
- * @param nodes The NodeArray.
- */
- function extractSingleNode(nodes) {
- ts.Debug.assert(nodes.length <= 1, "Too many nodes written to output.");
- return ts.singleOrUndefined(nodes);
- }
-})(ts || (ts = {}));
-/* @internal */
-var ts;
-(function (ts) {
- function reduceNode(node, f, initial) {
- return node ? f(initial, node) : initial;
- }
- function reduceNodeArray(nodes, f, initial) {
- return nodes ? f(initial, nodes) : initial;
- }
- /**
- * Similar to `reduceLeft`, performs a reduction against each child of a node.
- * NOTE: Unlike `forEachChild`, this does *not* visit every node.
- *
- * @param node The node containing the children to reduce.
- * @param initial The initial value to supply to the reduction.
- * @param f The callback function
- */
- function reduceEachChild(node, initial, cbNode, cbNodeArray) {
- if (node === undefined) {
- return initial;
- }
- var reduceNodes = cbNodeArray ? reduceNodeArray : ts.reduceLeft;
- var cbNodes = cbNodeArray || cbNode;
- var kind = node.kind;
- // No need to visit nodes with no children.
- if ((kind > 0 /* FirstToken */ && kind <= 152 /* LastToken */)) {
- return initial;
- }
- // We do not yet support types.
- if ((kind >= 168 /* TypePredicate */ && kind <= 187 /* LiteralType */)) {
- return initial;
- }
- var result = initial;
- switch (node.kind) {
- // Leaf nodes
- case 222 /* SemicolonClassElement */:
- case 224 /* EmptyStatement */:
- case 215 /* OmittedExpression */:
- case 241 /* DebuggerStatement */:
- case 325 /* NotEmittedStatement */:
- // No need to visit nodes with no children.
- break;
- // Names
- case 153 /* QualifiedName */:
- result = reduceNode(node.left, cbNode, result);
- result = reduceNode(node.right, cbNode, result);
- break;
- case 154 /* ComputedPropertyName */:
- result = reduceNode(node.expression, cbNode, result);
- break;
- // Signature elements
- case 156 /* Parameter */:
- result = reduceNodes(node.decorators, cbNodes, result);
- result = reduceNodes(node.modifiers, cbNodes, result);
- result = reduceNode(node.name, cbNode, result);
- result = reduceNode(node.type, cbNode, result);
- result = reduceNode(node.initializer, cbNode, result);
- break;
- case 157 /* Decorator */:
- result = reduceNode(node.expression, cbNode, result);
- break;
- // Type member
- case 158 /* PropertySignature */:
- result = reduceNodes(node.modifiers, cbNodes, result);
- result = reduceNode(node.name, cbNode, result);
- result = reduceNode(node.questionToken, cbNode, result);
- result = reduceNode(node.type, cbNode, result);
- result = reduceNode(node.initializer, cbNode, result);
- break;
- case 159 /* PropertyDeclaration */:
- result = reduceNodes(node.decorators, cbNodes, result);
- result = reduceNodes(node.modifiers, cbNodes, result);
- result = reduceNode(node.name, cbNode, result);
- result = reduceNode(node.type, cbNode, result);
- result = reduceNode(node.initializer, cbNode, result);
- break;
- case 161 /* MethodDeclaration */:
- result = reduceNodes(node.decorators, cbNodes, result);
- result = reduceNodes(node.modifiers, cbNodes, result);
- result = reduceNode(node.name, cbNode, result);
- result = reduceNodes(node.typeParameters, cbNodes, result);
- result = reduceNodes(node.parameters, cbNodes, result);
- result = reduceNode(node.type, cbNode, result);
- result = reduceNode(node.body, cbNode, result);
- break;
- case 162 /* Constructor */:
- result = reduceNodes(node.modifiers, cbNodes, result);
- result = reduceNodes(node.parameters, cbNodes, result);
- result = reduceNode(node.body, cbNode, result);
- break;
- case 163 /* GetAccessor */:
- result = reduceNodes(node.decorators, cbNodes, result);
- result = reduceNodes(node.modifiers, cbNodes, result);
- result = reduceNode(node.name, cbNode, result);
- result = reduceNodes(node.parameters, cbNodes, result);
- result = reduceNode(node.type, cbNode, result);
- result = reduceNode(node.body, cbNode, result);
- break;
- case 164 /* SetAccessor */:
- result = reduceNodes(node.decorators, cbNodes, result);
- result = reduceNodes(node.modifiers, cbNodes, result);
- result = reduceNode(node.name, cbNode, result);
- result = reduceNodes(node.parameters, cbNodes, result);
- result = reduceNode(node.body, cbNode, result);
- break;
- // Binding patterns
- case 189 /* ObjectBindingPattern */:
- case 190 /* ArrayBindingPattern */:
- result = reduceNodes(node.elements, cbNodes, result);
- break;
- case 191 /* BindingElement */:
- result = reduceNode(node.propertyName, cbNode, result);
- result = reduceNode(node.name, cbNode, result);
- result = reduceNode(node.initializer, cbNode, result);
- break;
- // Expression
- case 192 /* ArrayLiteralExpression */:
- result = reduceNodes(node.elements, cbNodes, result);
- break;
- case 193 /* ObjectLiteralExpression */:
- result = reduceNodes(node.properties, cbNodes, result);
- break;
- case 194 /* PropertyAccessExpression */:
- result = reduceNode(node.expression, cbNode, result);
- result = reduceNode(node.name, cbNode, result);
- break;
- case 195 /* ElementAccessExpression */:
- result = reduceNode(node.expression, cbNode, result);
- result = reduceNode(node.argumentExpression, cbNode, result);
- break;
- case 196 /* CallExpression */:
- result = reduceNode(node.expression, cbNode, result);
- result = reduceNodes(node.typeArguments, cbNodes, result);
- result = reduceNodes(node.arguments, cbNodes, result);
- break;
- case 197 /* NewExpression */:
- result = reduceNode(node.expression, cbNode, result);
- result = reduceNodes(node.typeArguments, cbNodes, result);
- result = reduceNodes(node.arguments, cbNodes, result);
- break;
- case 198 /* TaggedTemplateExpression */:
- result = reduceNode(node.tag, cbNode, result);
- result = reduceNodes(node.typeArguments, cbNodes, result);
- result = reduceNode(node.template, cbNode, result);
- break;
- case 199 /* TypeAssertionExpression */:
- result = reduceNode(node.type, cbNode, result);
- result = reduceNode(node.expression, cbNode, result);
- break;
- case 201 /* FunctionExpression */:
- result = reduceNodes(node.modifiers, cbNodes, result);
- result = reduceNode(node.name, cbNode, result);
- result = reduceNodes(node.typeParameters, cbNodes, result);
- result = reduceNodes(node.parameters, cbNodes, result);
- result = reduceNode(node.type, cbNode, result);
- result = reduceNode(node.body, cbNode, result);
- break;
- case 202 /* ArrowFunction */:
- result = reduceNodes(node.modifiers, cbNodes, result);
- result = reduceNodes(node.typeParameters, cbNodes, result);
- result = reduceNodes(node.parameters, cbNodes, result);
- result = reduceNode(node.type, cbNode, result);
- result = reduceNode(node.body, cbNode, result);
- break;
- case 200 /* ParenthesizedExpression */:
- case 203 /* DeleteExpression */:
- case 204 /* TypeOfExpression */:
- case 205 /* VoidExpression */:
- case 206 /* AwaitExpression */:
- case 212 /* YieldExpression */:
- case 213 /* SpreadElement */:
- case 218 /* NonNullExpression */:
- result = reduceNode(node.expression, cbNode, result);
- break;
- case 207 /* PrefixUnaryExpression */:
- case 208 /* PostfixUnaryExpression */:
- result = reduceNode(node.operand, cbNode, result);
- break;
- case 209 /* BinaryExpression */:
- result = reduceNode(node.left, cbNode, result);
- result = reduceNode(node.right, cbNode, result);
- break;
- case 210 /* ConditionalExpression */:
- result = reduceNode(node.condition, cbNode, result);
- result = reduceNode(node.whenTrue, cbNode, result);
- result = reduceNode(node.whenFalse, cbNode, result);
- break;
- case 211 /* TemplateExpression */:
- result = reduceNode(node.head, cbNode, result);
- result = reduceNodes(node.templateSpans, cbNodes, result);
- break;
- case 214 /* ClassExpression */:
- result = reduceNodes(node.modifiers, cbNodes, result);
- result = reduceNode(node.name, cbNode, result);
- result = reduceNodes(node.typeParameters, cbNodes, result);
- result = reduceNodes(node.heritageClauses, cbNodes, result);
- result = reduceNodes(node.members, cbNodes, result);
- break;
- case 216 /* ExpressionWithTypeArguments */:
- result = reduceNode(node.expression, cbNode, result);
- result = reduceNodes(node.typeArguments, cbNodes, result);
- break;
- case 217 /* AsExpression */:
- result = reduceNode(node.expression, cbNode, result);
- result = reduceNode(node.type, cbNode, result);
- break;
- // Misc
- case 221 /* TemplateSpan */:
- result = reduceNode(node.expression, cbNode, result);
- result = reduceNode(node.literal, cbNode, result);
- break;
- // Element
- case 223 /* Block */:
- result = reduceNodes(node.statements, cbNodes, result);
- break;
- case 225 /* VariableStatement */:
- result = reduceNodes(node.modifiers, cbNodes, result);
- result = reduceNode(node.declarationList, cbNode, result);
- break;
- case 226 /* ExpressionStatement */:
- result = reduceNode(node.expression, cbNode, result);
- break;
- case 227 /* IfStatement */:
- result = reduceNode(node.expression, cbNode, result);
- result = reduceNode(node.thenStatement, cbNode, result);
- result = reduceNode(node.elseStatement, cbNode, result);
- break;
- case 228 /* DoStatement */:
- result = reduceNode(node.statement, cbNode, result);
- result = reduceNode(node.expression, cbNode, result);
- break;
- case 229 /* WhileStatement */:
- case 236 /* WithStatement */:
- result = reduceNode(node.expression, cbNode, result);
- result = reduceNode(node.statement, cbNode, result);
- break;
- case 230 /* ForStatement */:
- result = reduceNode(node.initializer, cbNode, result);
- result = reduceNode(node.condition, cbNode, result);
- result = reduceNode(node.incrementor, cbNode, result);
- result = reduceNode(node.statement, cbNode, result);
- break;
- case 231 /* ForInStatement */:
- case 232 /* ForOfStatement */:
- result = reduceNode(node.initializer, cbNode, result);
- result = reduceNode(node.expression, cbNode, result);
- result = reduceNode(node.statement, cbNode, result);
- break;
- case 235 /* ReturnStatement */:
- case 239 /* ThrowStatement */:
- result = reduceNode(node.expression, cbNode, result);
- break;
- case 237 /* SwitchStatement */:
- result = reduceNode(node.expression, cbNode, result);
- result = reduceNode(node.caseBlock, cbNode, result);
- break;
- case 238 /* LabeledStatement */:
- result = reduceNode(node.label, cbNode, result);
- result = reduceNode(node.statement, cbNode, result);
- break;
- case 240 /* TryStatement */:
- result = reduceNode(node.tryBlock, cbNode, result);
- result = reduceNode(node.catchClause, cbNode, result);
- result = reduceNode(node.finallyBlock, cbNode, result);
- break;
- case 242 /* VariableDeclaration */:
- result = reduceNode(node.name, cbNode, result);
- result = reduceNode(node.type, cbNode, result);
- result = reduceNode(node.initializer, cbNode, result);
- break;
- case 243 /* VariableDeclarationList */:
- result = reduceNodes(node.declarations, cbNodes, result);
- break;
- case 244 /* FunctionDeclaration */:
- result = reduceNodes(node.decorators, cbNodes, result);
- result = reduceNodes(node.modifiers, cbNodes, result);
- result = reduceNode(node.name, cbNode, result);
- result = reduceNodes(node.typeParameters, cbNodes, result);
- result = reduceNodes(node.parameters, cbNodes, result);
- result = reduceNode(node.type, cbNode, result);
- result = reduceNode(node.body, cbNode, result);
- break;
- case 245 /* ClassDeclaration */:
- result = reduceNodes(node.decorators, cbNodes, result);
- result = reduceNodes(node.modifiers, cbNodes, result);
- result = reduceNode(node.name, cbNode, result);
- result = reduceNodes(node.typeParameters, cbNodes, result);
- result = reduceNodes(node.heritageClauses, cbNodes, result);
- result = reduceNodes(node.members, cbNodes, result);
- break;
- case 248 /* EnumDeclaration */:
- result = reduceNodes(node.decorators, cbNodes, result);
- result = reduceNodes(node.modifiers, cbNodes, result);
- result = reduceNode(node.name, cbNode, result);
- result = reduceNodes(node.members, cbNodes, result);
- break;
- case 249 /* ModuleDeclaration */:
- result = reduceNodes(node.decorators, cbNodes, result);
- result = reduceNodes(node.modifiers, cbNodes, result);
- result = reduceNode(node.name, cbNode, result);
- result = reduceNode(node.body, cbNode, result);
- break;
- case 250 /* ModuleBlock */:
- result = reduceNodes(node.statements, cbNodes, result);
- break;
- case 251 /* CaseBlock */:
- result = reduceNodes(node.clauses, cbNodes, result);
- break;
- case 253 /* ImportEqualsDeclaration */:
- result = reduceNodes(node.decorators, cbNodes, result);
- result = reduceNodes(node.modifiers, cbNodes, result);
- result = reduceNode(node.name, cbNode, result);
- result = reduceNode(node.moduleReference, cbNode, result);
- break;
- case 254 /* ImportDeclaration */:
- result = reduceNodes(node.decorators, cbNodes, result);
- result = reduceNodes(node.modifiers, cbNodes, result);
- result = reduceNode(node.importClause, cbNode, result);
- result = reduceNode(node.moduleSpecifier, cbNode, result);
- break;
- case 255 /* ImportClause */:
- result = reduceNode(node.name, cbNode, result);
- result = reduceNode(node.namedBindings, cbNode, result);
- break;
- case 256 /* NamespaceImport */:
- result = reduceNode(node.name, cbNode, result);
- break;
- case 262 /* NamespaceExport */:
- result = reduceNode(node.name, cbNode, result);
- break;
- case 257 /* NamedImports */:
- case 261 /* NamedExports */:
- result = reduceNodes(node.elements, cbNodes, result);
- break;
- case 258 /* ImportSpecifier */:
- case 263 /* ExportSpecifier */:
- result = reduceNode(node.propertyName, cbNode, result);
- result = reduceNode(node.name, cbNode, result);
- break;
- case 259 /* ExportAssignment */:
- result = ts.reduceLeft(node.decorators, cbNode, result);
- result = ts.reduceLeft(node.modifiers, cbNode, result);
- result = reduceNode(node.expression, cbNode, result);
- break;
- case 260 /* ExportDeclaration */:
- result = ts.reduceLeft(node.decorators, cbNode, result);
- result = ts.reduceLeft(node.modifiers, cbNode, result);
- result = reduceNode(node.exportClause, cbNode, result);
- result = reduceNode(node.moduleSpecifier, cbNode, result);
- break;
- // Module references
- case 265 /* ExternalModuleReference */:
- result = reduceNode(node.expression, cbNode, result);
- break;
- // JSX
- case 266 /* JsxElement */:
- result = reduceNode(node.openingElement, cbNode, result);
- result = ts.reduceLeft(node.children, cbNode, result);
- result = reduceNode(node.closingElement, cbNode, result);
- break;
- case 270 /* JsxFragment */:
- result = reduceNode(node.openingFragment, cbNode, result);
- result = ts.reduceLeft(node.children, cbNode, result);
- result = reduceNode(node.closingFragment, cbNode, result);
- break;
- case 267 /* JsxSelfClosingElement */:
- case 268 /* JsxOpeningElement */:
- result = reduceNode(node.tagName, cbNode, result);
- result = reduceNodes(node.typeArguments, cbNode, result);
- result = reduceNode(node.attributes, cbNode, result);
- break;
- case 274 /* JsxAttributes */:
- result = reduceNodes(node.properties, cbNodes, result);
- break;
- case 269 /* JsxClosingElement */:
- result = reduceNode(node.tagName, cbNode, result);
- break;
- case 273 /* JsxAttribute */:
- result = reduceNode(node.name, cbNode, result);
- result = reduceNode(node.initializer, cbNode, result);
- break;
- case 275 /* JsxSpreadAttribute */:
- result = reduceNode(node.expression, cbNode, result);
- break;
- case 276 /* JsxExpression */:
- result = reduceNode(node.expression, cbNode, result);
- break;
- // Clauses
- case 277 /* CaseClause */:
- result = reduceNode(node.expression, cbNode, result);
- // falls through
- case 278 /* DefaultClause */:
- result = reduceNodes(node.statements, cbNodes, result);
- break;
- case 279 /* HeritageClause */:
- result = reduceNodes(node.types, cbNodes, result);
- break;
- case 280 /* CatchClause */:
- result = reduceNode(node.variableDeclaration, cbNode, result);
- result = reduceNode(node.block, cbNode, result);
- break;
- // Property assignments
- case 281 /* PropertyAssignment */:
- result = reduceNode(node.name, cbNode, result);
- result = reduceNode(node.initializer, cbNode, result);
- break;
- case 282 /* ShorthandPropertyAssignment */:
- result = reduceNode(node.name, cbNode, result);
- result = reduceNode(node.objectAssignmentInitializer, cbNode, result);
- break;
- case 283 /* SpreadAssignment */:
- result = reduceNode(node.expression, cbNode, result);
- break;
- // Enum
- case 284 /* EnumMember */:
- result = reduceNode(node.name, cbNode, result);
- result = reduceNode(node.initializer, cbNode, result);
- break;
- // Top-level nodes
- case 290 /* SourceFile */:
- result = reduceNodes(node.statements, cbNodes, result);
- break;
- // Transformation nodes
- case 326 /* PartiallyEmittedExpression */:
- result = reduceNode(node.expression, cbNode, result);
- break;
- case 327 /* CommaListExpression */:
- result = reduceNodes(node.elements, cbNodes, result);
- break;
- default:
- break;
- }
- return result;
- }
- ts.reduceEachChild = reduceEachChild;
- function findSpanEnd(array, test, start) {
- var i = start;
- while (i < array.length && test(array[i])) {
- i++;
- }
- return i;
- }
- function mergeLexicalEnvironment(statements, declarations) {
- if (!ts.some(declarations)) {
- return statements;
- }
- // When we merge new lexical statements into an existing statement list, we merge them in the following manner:
- //
- // Given:
- //
- // | Left | Right |
- // |------------------------------------|-------------------------------------|
- // | [standard prologues (left)] | [standard prologues (right)] |
- // | [hoisted functions (left)] | [hoisted functions (right)] |
- // | [hoisted variables (left)] | [hoisted variables (right)] |
- // | [lexical init statements (left)] | [lexical init statements (right)] |
- // | [other statements (left)] | |
- //
- // The resulting statement list will be:
- //
- // | Result |
- // |-------------------------------------|
- // | [standard prologues (right)] |
- // | [standard prologues (left)] |
- // | [hoisted functions (right)] |
- // | [hoisted functions (left)] |
- // | [hoisted variables (right)] |
- // | [hoisted variables (left)] |
- // | [lexical init statements (right)] |
- // | [lexical init statements (left)] |
- // | [other statements (left)] |
- //
- // NOTE: It is expected that new lexical init statements must be evaluated before existing lexical init statements,
- // as the prior transformation may depend on the evaluation of the lexical init statements to be in the correct state.
- // find standard prologues on left in the following order: standard directives, hoisted functions, hoisted variables, other custom
- var leftStandardPrologueEnd = findSpanEnd(statements, ts.isPrologueDirective, 0);
- var leftHoistedFunctionsEnd = findSpanEnd(statements, ts.isHoistedFunction, leftStandardPrologueEnd);
- var leftHoistedVariablesEnd = findSpanEnd(statements, ts.isHoistedVariableStatement, leftHoistedFunctionsEnd);
- // find standard prologues on right in the following order: standard directives, hoisted functions, hoisted variables, other custom
- var rightStandardPrologueEnd = findSpanEnd(declarations, ts.isPrologueDirective, 0);
- var rightHoistedFunctionsEnd = findSpanEnd(declarations, ts.isHoistedFunction, rightStandardPrologueEnd);
- var rightHoistedVariablesEnd = findSpanEnd(declarations, ts.isHoistedVariableStatement, rightHoistedFunctionsEnd);
- var rightCustomPrologueEnd = findSpanEnd(declarations, ts.isCustomPrologue, rightHoistedVariablesEnd);
- ts.Debug.assert(rightCustomPrologueEnd === declarations.length, "Expected declarations to be valid standard or custom prologues");
- // splice prologues from the right into the left. We do this in reverse order
- // so that we don't need to recompute the index on the left when we insert items.
- var left = ts.isNodeArray(statements) ? statements.slice() : statements;
- // splice other custom prologues from right into left
- if (rightCustomPrologueEnd > rightHoistedVariablesEnd) {
- left.splice.apply(left, __spreadArrays([leftHoistedVariablesEnd, 0], declarations.slice(rightHoistedVariablesEnd, rightCustomPrologueEnd)));
- }
- // splice hoisted variables from right into left
- if (rightHoistedVariablesEnd > rightHoistedFunctionsEnd) {
- left.splice.apply(left, __spreadArrays([leftHoistedFunctionsEnd, 0], declarations.slice(rightHoistedFunctionsEnd, rightHoistedVariablesEnd)));
- }
- // splice hoisted functions from right into left
- if (rightHoistedFunctionsEnd > rightStandardPrologueEnd) {
- left.splice.apply(left, __spreadArrays([leftStandardPrologueEnd, 0], declarations.slice(rightStandardPrologueEnd, rightHoistedFunctionsEnd)));
- }
- // splice standard prologues from right into left (that are not already in left)
- if (rightStandardPrologueEnd > 0) {
- if (leftStandardPrologueEnd === 0) {
- left.splice.apply(left, __spreadArrays([0, 0], declarations.slice(0, rightStandardPrologueEnd)));
- }
- else {
- var leftPrologues = ts.createMap();
- for (var i = 0; i < leftStandardPrologueEnd; i++) {
- var leftPrologue = statements[i];
- leftPrologues.set(leftPrologue.expression.text, true);
- }
- for (var i = rightStandardPrologueEnd - 1; i >= 0; i--) {
- var rightPrologue = declarations[i];
- if (!leftPrologues.has(rightPrologue.expression.text)) {
- left.unshift(rightPrologue);
- }
- }
- }
- }
- if (ts.isNodeArray(statements)) {
- return ts.setTextRange(ts.createNodeArray(left, statements.hasTrailingComma), statements);
- }
- return statements;
- }
- ts.mergeLexicalEnvironment = mergeLexicalEnvironment;
- /**
- * Lifts a NodeArray containing only Statement nodes to a block.
- *
- * @param nodes The NodeArray.
- */
- function liftToBlock(nodes) {
- ts.Debug.assert(ts.every(nodes, ts.isStatement), "Cannot lift nodes to a Block.");
- return ts.singleOrUndefined(nodes) || ts.createBlock(nodes);
- }
- ts.liftToBlock = liftToBlock;
- /**
- * Aggregates the TransformFlags for a Node and its subtree.
- */
- function aggregateTransformFlags(node) {
- aggregateTransformFlagsForNode(node);
- return node;
- }
- ts.aggregateTransformFlags = aggregateTransformFlags;
- /**
- * Aggregates the TransformFlags for a Node and its subtree. The flags for the subtree are
- * computed first, then the transform flags for the current node are computed from the subtree
- * flags and the state of the current node. Finally, the transform flags of the node are
- * returned, excluding any flags that should not be included in its parent node's subtree
- * flags.
- */
- function aggregateTransformFlagsForNode(node) {
- if (node === undefined) {
- return 0 /* None */;
- }
- if (node.transformFlags & 536870912 /* HasComputedFlags */) {
- return node.transformFlags & ~ts.getTransformFlagsSubtreeExclusions(node.kind);
- }
- var subtreeFlags = aggregateTransformFlagsForSubtree(node);
- return ts.computeTransformFlagsForNode(node, subtreeFlags);
- }
- function aggregateTransformFlagsForNodeArray(nodes) {
- if (nodes === undefined) {
- return 0 /* None */;
- }
- var subtreeFlags = 0 /* None */;
- var nodeArrayFlags = 0 /* None */;
- for (var _i = 0, nodes_3 = nodes; _i < nodes_3.length; _i++) {
- var node = nodes_3[_i];
- subtreeFlags |= aggregateTransformFlagsForNode(node);
- nodeArrayFlags |= node.transformFlags & ~536870912 /* HasComputedFlags */;
- }
- nodes.transformFlags = nodeArrayFlags | 536870912 /* HasComputedFlags */;
- return subtreeFlags;
- }
- /**
- * Aggregates the transform flags for the subtree of a node.
- */
- function aggregateTransformFlagsForSubtree(node) {
- // We do not transform ambient declarations or types, so there is no need to
- // recursively aggregate transform flags.
- if (ts.hasModifier(node, 2 /* Ambient */) || (ts.isTypeNode(node) && node.kind !== 216 /* ExpressionWithTypeArguments */)) {
- return 0 /* None */;
- }
- // Aggregate the transform flags of each child.
- return reduceEachChild(node, 0 /* None */, aggregateTransformFlagsForChildNode, aggregateTransformFlagsForChildNodes);
- }
- /**
- * Aggregates the TransformFlags of a child node with the TransformFlags of its
- * siblings.
- */
- function aggregateTransformFlagsForChildNode(transformFlags, node) {
- return transformFlags | aggregateTransformFlagsForNode(node);
- }
- function aggregateTransformFlagsForChildNodes(transformFlags, nodes) {
- return transformFlags | aggregateTransformFlagsForNodeArray(nodes);
- }
-})(ts || (ts = {}));
-/* @internal */
-var ts;
-(function (ts) {
- function createSourceMapGenerator(host, file, sourceRoot, sourcesDirectoryPath, generatorOptions) {
- var _a = generatorOptions.extendedDiagnostics
- ? ts.performance.createTimer("Source Map", "beforeSourcemap", "afterSourcemap")
- : ts.performance.nullTimer, enter = _a.enter, exit = _a.exit;
- // Current source map file and its index in the sources list
- var rawSources = [];
- var sources = [];
- var sourceToSourceIndexMap = ts.createMap();
- var sourcesContent;
- var names = [];
- var nameToNameIndexMap;
- var mappings = "";
- // Last recorded and encoded mappings
- var lastGeneratedLine = 0;
- var lastGeneratedCharacter = 0;
- var lastSourceIndex = 0;
- var lastSourceLine = 0;
- var lastSourceCharacter = 0;
- var lastNameIndex = 0;
- var hasLast = false;
- var pendingGeneratedLine = 0;
- var pendingGeneratedCharacter = 0;
- var pendingSourceIndex = 0;
- var pendingSourceLine = 0;
- var pendingSourceCharacter = 0;
- var pendingNameIndex = 0;
- var hasPending = false;
- var hasPendingSource = false;
- var hasPendingName = false;
- return {
- getSources: function () { return rawSources; },
- addSource: addSource,
- setSourceContent: setSourceContent,
- addName: addName,
- addMapping: addMapping,
- appendSourceMap: appendSourceMap,
- toJSON: toJSON,
- toString: function () { return JSON.stringify(toJSON()); }
- };
- function addSource(fileName) {
- enter();
- var source = ts.getRelativePathToDirectoryOrUrl(sourcesDirectoryPath, fileName, host.getCurrentDirectory(), host.getCanonicalFileName,
- /*isAbsolutePathAnUrl*/ true);
- var sourceIndex = sourceToSourceIndexMap.get(source);
- if (sourceIndex === undefined) {
- sourceIndex = sources.length;
- sources.push(source);
- rawSources.push(fileName);
- sourceToSourceIndexMap.set(source, sourceIndex);
- }
- exit();
- return sourceIndex;
- }
- /* eslint-disable boolean-trivia, no-null/no-null */
- function setSourceContent(sourceIndex, content) {
- enter();
- if (content !== null) {
- if (!sourcesContent)
- sourcesContent = [];
- while (sourcesContent.length < sourceIndex) {
- sourcesContent.push(null);
- }
- sourcesContent[sourceIndex] = content;
- }
- exit();
- }
- /* eslint-enable boolean-trivia, no-null/no-null */
- function addName(name) {
- enter();
- if (!nameToNameIndexMap)
- nameToNameIndexMap = ts.createMap();
- var nameIndex = nameToNameIndexMap.get(name);
- if (nameIndex === undefined) {
- nameIndex = names.length;
- names.push(name);
- nameToNameIndexMap.set(name, nameIndex);
- }
- exit();
- return nameIndex;
- }
- function isNewGeneratedPosition(generatedLine, generatedCharacter) {
- return !hasPending
- || pendingGeneratedLine !== generatedLine
- || pendingGeneratedCharacter !== generatedCharacter;
- }
- function isBacktrackingSourcePosition(sourceIndex, sourceLine, sourceCharacter) {
- return sourceIndex !== undefined
- && sourceLine !== undefined
- && sourceCharacter !== undefined
- && pendingSourceIndex === sourceIndex
- && (pendingSourceLine > sourceLine
- || pendingSourceLine === sourceLine && pendingSourceCharacter > sourceCharacter);
- }
- function addMapping(generatedLine, generatedCharacter, sourceIndex, sourceLine, sourceCharacter, nameIndex) {
- ts.Debug.assert(generatedLine >= pendingGeneratedLine, "generatedLine cannot backtrack");
- ts.Debug.assert(generatedCharacter >= 0, "generatedCharacter cannot be negative");
- ts.Debug.assert(sourceIndex === undefined || sourceIndex >= 0, "sourceIndex cannot be negative");
- ts.Debug.assert(sourceLine === undefined || sourceLine >= 0, "sourceLine cannot be negative");
- ts.Debug.assert(sourceCharacter === undefined || sourceCharacter >= 0, "sourceCharacter cannot be negative");
- enter();
- // If this location wasn't recorded or the location in source is going backwards, record the mapping
- if (isNewGeneratedPosition(generatedLine, generatedCharacter) ||
- isBacktrackingSourcePosition(sourceIndex, sourceLine, sourceCharacter)) {
- commitPendingMapping();
- pendingGeneratedLine = generatedLine;
- pendingGeneratedCharacter = generatedCharacter;
- hasPendingSource = false;
- hasPendingName = false;
- hasPending = true;
- }
- if (sourceIndex !== undefined && sourceLine !== undefined && sourceCharacter !== undefined) {
- pendingSourceIndex = sourceIndex;
- pendingSourceLine = sourceLine;
- pendingSourceCharacter = sourceCharacter;
- hasPendingSource = true;
- if (nameIndex !== undefined) {
- pendingNameIndex = nameIndex;
- hasPendingName = true;
- }
- }
- exit();
- }
- function appendSourceMap(generatedLine, generatedCharacter, map, sourceMapPath, start, end) {
- ts.Debug.assert(generatedLine >= pendingGeneratedLine, "generatedLine cannot backtrack");
- ts.Debug.assert(generatedCharacter >= 0, "generatedCharacter cannot be negative");
- enter();
- // First, decode the old component sourcemap
- var sourceIndexToNewSourceIndexMap = [];
- var nameIndexToNewNameIndexMap;
- var mappingIterator = decodeMappings(map.mappings);
- for (var iterResult = mappingIterator.next(); !iterResult.done; iterResult = mappingIterator.next()) {
- var raw = iterResult.value;
- if (end && (raw.generatedLine > end.line ||
- (raw.generatedLine === end.line && raw.generatedCharacter > end.character))) {
- break;
- }
- if (start && (raw.generatedLine < start.line ||
- (start.line === raw.generatedLine && raw.generatedCharacter < start.character))) {
- continue;
- }
- // Then reencode all the updated mappings into the overall map
- var newSourceIndex = void 0;
- var newSourceLine = void 0;
- var newSourceCharacter = void 0;
- var newNameIndex = void 0;
- if (raw.sourceIndex !== undefined) {
- newSourceIndex = sourceIndexToNewSourceIndexMap[raw.sourceIndex];
- if (newSourceIndex === undefined) {
- // Apply offsets to each position and fixup source entries
- var rawPath = map.sources[raw.sourceIndex];
- var relativePath = map.sourceRoot ? ts.combinePaths(map.sourceRoot, rawPath) : rawPath;
- var combinedPath = ts.combinePaths(ts.getDirectoryPath(sourceMapPath), relativePath);
- sourceIndexToNewSourceIndexMap[raw.sourceIndex] = newSourceIndex = addSource(combinedPath);
- if (map.sourcesContent && typeof map.sourcesContent[raw.sourceIndex] === "string") {
- setSourceContent(newSourceIndex, map.sourcesContent[raw.sourceIndex]);
- }
- }
- newSourceLine = raw.sourceLine;
- newSourceCharacter = raw.sourceCharacter;
- if (map.names && raw.nameIndex !== undefined) {
- if (!nameIndexToNewNameIndexMap)
- nameIndexToNewNameIndexMap = [];
- newNameIndex = nameIndexToNewNameIndexMap[raw.nameIndex];
- if (newNameIndex === undefined) {
- nameIndexToNewNameIndexMap[raw.nameIndex] = newNameIndex = addName(map.names[raw.nameIndex]);
- }
- }
- }
- var rawGeneratedLine = raw.generatedLine - (start ? start.line : 0);
- var newGeneratedLine = rawGeneratedLine + generatedLine;
- var rawGeneratedCharacter = start && start.line === raw.generatedLine ? raw.generatedCharacter - start.character : raw.generatedCharacter;
- var newGeneratedCharacter = rawGeneratedLine === 0 ? rawGeneratedCharacter + generatedCharacter : rawGeneratedCharacter;
- addMapping(newGeneratedLine, newGeneratedCharacter, newSourceIndex, newSourceLine, newSourceCharacter, newNameIndex);
- }
- exit();
- }
- function shouldCommitMapping() {
- return !hasLast
- || lastGeneratedLine !== pendingGeneratedLine
- || lastGeneratedCharacter !== pendingGeneratedCharacter
- || lastSourceIndex !== pendingSourceIndex
- || lastSourceLine !== pendingSourceLine
- || lastSourceCharacter !== pendingSourceCharacter
- || lastNameIndex !== pendingNameIndex;
- }
- function commitPendingMapping() {
- if (!hasPending || !shouldCommitMapping()) {
- return;
- }
- enter();
- // Line/Comma delimiters
- if (lastGeneratedLine < pendingGeneratedLine) {
- // Emit line delimiters
- do {
- mappings += ";";
- lastGeneratedLine++;
- lastGeneratedCharacter = 0;
- } while (lastGeneratedLine < pendingGeneratedLine);
- }
- else {
- ts.Debug.assertEqual(lastGeneratedLine, pendingGeneratedLine, "generatedLine cannot backtrack");
- // Emit comma to separate the entry
- if (hasLast) {
- mappings += ",";
- }
- }
- // 1. Relative generated character
- mappings += base64VLQFormatEncode(pendingGeneratedCharacter - lastGeneratedCharacter);
- lastGeneratedCharacter = pendingGeneratedCharacter;
- if (hasPendingSource) {
- // 2. Relative sourceIndex
- mappings += base64VLQFormatEncode(pendingSourceIndex - lastSourceIndex);
- lastSourceIndex = pendingSourceIndex;
- // 3. Relative source line
- mappings += base64VLQFormatEncode(pendingSourceLine - lastSourceLine);
- lastSourceLine = pendingSourceLine;
- // 4. Relative source character
- mappings += base64VLQFormatEncode(pendingSourceCharacter - lastSourceCharacter);
- lastSourceCharacter = pendingSourceCharacter;
- if (hasPendingName) {
- // 5. Relative nameIndex
- mappings += base64VLQFormatEncode(pendingNameIndex - lastNameIndex);
- lastNameIndex = pendingNameIndex;
- }
- }
- hasLast = true;
- exit();
- }
- function toJSON() {
- commitPendingMapping();
- return {
- version: 3,
- file: file,
- sourceRoot: sourceRoot,
- sources: sources,
- names: names,
- mappings: mappings,
- sourcesContent: sourcesContent,
- };
- }
- }
- ts.createSourceMapGenerator = createSourceMapGenerator;
- // Sometimes tools can see the following line as a source mapping url comment, so we mangle it a bit (the [M])
- var sourceMapCommentRegExp = /^\/\/[@#] source[M]appingURL=(.+)\s*$/;
- var whitespaceOrMapCommentRegExp = /^\s*(\/\/[@#] .*)?$/;
- function getLineInfo(text, lineStarts) {
- return {
- getLineCount: function () { return lineStarts.length; },
- getLineText: function (line) { return text.substring(lineStarts[line], lineStarts[line + 1]); }
- };
- }
- ts.getLineInfo = getLineInfo;
- /**
- * Tries to find the sourceMappingURL comment at the end of a file.
- */
- function tryGetSourceMappingURL(lineInfo) {
- for (var index = lineInfo.getLineCount() - 1; index >= 0; index--) {
- var line = lineInfo.getLineText(index);
- var comment = sourceMapCommentRegExp.exec(line);
- if (comment) {
- return comment[1];
- }
- // If we see a non-whitespace/map comment-like line, break, to avoid scanning up the entire file
- else if (!line.match(whitespaceOrMapCommentRegExp)) {
- break;
- }
- }
- }
- ts.tryGetSourceMappingURL = tryGetSourceMappingURL;
- /* eslint-disable no-null/no-null */
- function isStringOrNull(x) {
- return typeof x === "string" || x === null;
- }
- function isRawSourceMap(x) {
- return x !== null
- && typeof x === "object"
- && x.version === 3
- && typeof x.file === "string"
- && typeof x.mappings === "string"
- && ts.isArray(x.sources) && ts.every(x.sources, ts.isString)
- && (x.sourceRoot === undefined || x.sourceRoot === null || typeof x.sourceRoot === "string")
- && (x.sourcesContent === undefined || x.sourcesContent === null || ts.isArray(x.sourcesContent) && ts.every(x.sourcesContent, isStringOrNull))
- && (x.names === undefined || x.names === null || ts.isArray(x.names) && ts.every(x.names, ts.isString));
- }
- ts.isRawSourceMap = isRawSourceMap;
- /* eslint-enable no-null/no-null */
- function tryParseRawSourceMap(text) {
- try {
- var parsed = JSON.parse(text);
- if (isRawSourceMap(parsed)) {
- return parsed;
- }
- }
- catch (_a) {
- // empty
- }
- return undefined;
- }
- ts.tryParseRawSourceMap = tryParseRawSourceMap;
- function decodeMappings(mappings) {
- var done = false;
- var pos = 0;
- var generatedLine = 0;
- var generatedCharacter = 0;
- var sourceIndex = 0;
- var sourceLine = 0;
- var sourceCharacter = 0;
- var nameIndex = 0;
- var error;
- return {
- get pos() { return pos; },
- get error() { return error; },
- get state() { return captureMapping(/*hasSource*/ true, /*hasName*/ true); },
- next: function () {
- while (!done && pos < mappings.length) {
- var ch = mappings.charCodeAt(pos);
- if (ch === 59 /* semicolon */) {
- // new line
- generatedLine++;
- generatedCharacter = 0;
- pos++;
- continue;
- }
- if (ch === 44 /* comma */) {
- // Next entry is on same line - no action needed
- pos++;
- continue;
- }
- var hasSource = false;
- var hasName = false;
- generatedCharacter += base64VLQFormatDecode();
- if (hasReportedError())
- return stopIterating();
- if (generatedCharacter < 0)
- return setErrorAndStopIterating("Invalid generatedCharacter found");
- if (!isSourceMappingSegmentEnd()) {
- hasSource = true;
- sourceIndex += base64VLQFormatDecode();
- if (hasReportedError())
- return stopIterating();
- if (sourceIndex < 0)
- return setErrorAndStopIterating("Invalid sourceIndex found");
- if (isSourceMappingSegmentEnd())
- return setErrorAndStopIterating("Unsupported Format: No entries after sourceIndex");
- sourceLine += base64VLQFormatDecode();
- if (hasReportedError())
- return stopIterating();
- if (sourceLine < 0)
- return setErrorAndStopIterating("Invalid sourceLine found");
- if (isSourceMappingSegmentEnd())
- return setErrorAndStopIterating("Unsupported Format: No entries after sourceLine");
- sourceCharacter += base64VLQFormatDecode();
- if (hasReportedError())
- return stopIterating();
- if (sourceCharacter < 0)
- return setErrorAndStopIterating("Invalid sourceCharacter found");
- if (!isSourceMappingSegmentEnd()) {
- hasName = true;
- nameIndex += base64VLQFormatDecode();
- if (hasReportedError())
- return stopIterating();
- if (nameIndex < 0)
- return setErrorAndStopIterating("Invalid nameIndex found");
- if (!isSourceMappingSegmentEnd())
- return setErrorAndStopIterating("Unsupported Error Format: Entries after nameIndex");
- }
- }
- return { value: captureMapping(hasSource, hasName), done: done };
- }
- return stopIterating();
- }
- };
- function captureMapping(hasSource, hasName) {
- return {
- generatedLine: generatedLine,
- generatedCharacter: generatedCharacter,
- sourceIndex: hasSource ? sourceIndex : undefined,
- sourceLine: hasSource ? sourceLine : undefined,
- sourceCharacter: hasSource ? sourceCharacter : undefined,
- nameIndex: hasName ? nameIndex : undefined
- };
- }
- function stopIterating() {
- done = true;
- return { value: undefined, done: true };
- }
- function setError(message) {
- if (error === undefined) {
- error = message;
- }
- }
- function setErrorAndStopIterating(message) {
- setError(message);
- return stopIterating();
- }
- function hasReportedError() {
- return error !== undefined;
- }
- function isSourceMappingSegmentEnd() {
- return (pos === mappings.length ||
- mappings.charCodeAt(pos) === 44 /* comma */ ||
- mappings.charCodeAt(pos) === 59 /* semicolon */);
- }
- function base64VLQFormatDecode() {
- var moreDigits = true;
- var shiftCount = 0;
- var value = 0;
- for (; moreDigits; pos++) {
- if (pos >= mappings.length)
- return setError("Error in decoding base64VLQFormatDecode, past the mapping string"), -1;
- // 6 digit number
- var currentByte = base64FormatDecode(mappings.charCodeAt(pos));
- if (currentByte === -1)
- return setError("Invalid character in VLQ"), -1;
- // If msb is set, we still have more bits to continue
- moreDigits = (currentByte & 32) !== 0;
- // least significant 5 bits are the next msbs in the final value.
- value = value | ((currentByte & 31) << shiftCount);
- shiftCount += 5;
- }
- // Least significant bit if 1 represents negative and rest of the msb is actual absolute value
- if ((value & 1) === 0) {
- // + number
- value = value >> 1;
- }
- else {
- // - number
- value = value >> 1;
- value = -value;
- }
- return value;
- }
- }
- ts.decodeMappings = decodeMappings;
- function sameMapping(left, right) {
- return left === right
- || left.generatedLine === right.generatedLine
- && left.generatedCharacter === right.generatedCharacter
- && left.sourceIndex === right.sourceIndex
- && left.sourceLine === right.sourceLine
- && left.sourceCharacter === right.sourceCharacter
- && left.nameIndex === right.nameIndex;
- }
- ts.sameMapping = sameMapping;
- function isSourceMapping(mapping) {
- return mapping.sourceIndex !== undefined
- && mapping.sourceLine !== undefined
- && mapping.sourceCharacter !== undefined;
- }
- ts.isSourceMapping = isSourceMapping;
- function base64FormatEncode(value) {
- return value >= 0 && value < 26 ? 65 /* A */ + value :
- value >= 26 && value < 52 ? 97 /* a */ + value - 26 :
- value >= 52 && value < 62 ? 48 /* _0 */ + value - 52 :
- value === 62 ? 43 /* plus */ :
- value === 63 ? 47 /* slash */ :
- ts.Debug.fail(value + ": not a base64 value");
- }
- function base64FormatDecode(ch) {
- return ch >= 65 /* A */ && ch <= 90 /* Z */ ? ch - 65 /* A */ :
- ch >= 97 /* a */ && ch <= 122 /* z */ ? ch - 97 /* a */ + 26 :
- ch >= 48 /* _0 */ && ch <= 57 /* _9 */ ? ch - 48 /* _0 */ + 52 :
- ch === 43 /* plus */ ? 62 :
- ch === 47 /* slash */ ? 63 :
- -1;
- }
- function base64VLQFormatEncode(inValue) {
- // Add a new least significant bit that has the sign of the value.
- // if negative number the least significant bit that gets added to the number has value 1
- // else least significant bit value that gets added is 0
- // eg. -1 changes to binary : 01 [1] => 3
- // +1 changes to binary : 01 [0] => 2
- if (inValue < 0) {
- inValue = ((-inValue) << 1) + 1;
- }
- else {
- inValue = inValue << 1;
- }
- // Encode 5 bits at a time starting from least significant bits
- var encodedStr = "";
- do {
- var currentDigit = inValue & 31; // 11111
- inValue = inValue >> 5;
- if (inValue > 0) {
- // There are still more digits to decode, set the msb (6th bit)
- currentDigit = currentDigit | 32;
- }
- encodedStr = encodedStr + String.fromCharCode(base64FormatEncode(currentDigit));
- } while (inValue > 0);
- return encodedStr;
- }
- function isSourceMappedPosition(value) {
- return value.sourceIndex !== undefined
- && value.sourcePosition !== undefined;
- }
- function sameMappedPosition(left, right) {
- return left.generatedPosition === right.generatedPosition
- && left.sourceIndex === right.sourceIndex
- && left.sourcePosition === right.sourcePosition;
- }
- function compareSourcePositions(left, right) {
- // Compares sourcePosition without comparing sourceIndex
- // since the mappings are grouped by sourceIndex
- ts.Debug.assert(left.sourceIndex === right.sourceIndex);
- return ts.compareValues(left.sourcePosition, right.sourcePosition);
- }
- function compareGeneratedPositions(left, right) {
- return ts.compareValues(left.generatedPosition, right.generatedPosition);
- }
- function getSourcePositionOfMapping(value) {
- return value.sourcePosition;
- }
- function getGeneratedPositionOfMapping(value) {
- return value.generatedPosition;
- }
- function createDocumentPositionMapper(host, map, mapPath) {
- var mapDirectory = ts.getDirectoryPath(mapPath);
- var sourceRoot = map.sourceRoot ? ts.getNormalizedAbsolutePath(map.sourceRoot, mapDirectory) : mapDirectory;
- var generatedAbsoluteFilePath = ts.getNormalizedAbsolutePath(map.file, mapDirectory);
- var generatedFile = host.getSourceFileLike(generatedAbsoluteFilePath);
- var sourceFileAbsolutePaths = map.sources.map(function (source) { return ts.getNormalizedAbsolutePath(source, sourceRoot); });
- var sourceToSourceIndexMap = ts.createMapFromEntries(sourceFileAbsolutePaths.map(function (source, i) { return [host.getCanonicalFileName(source), i]; }));
- var decodedMappings;
- var generatedMappings;
- var sourceMappings;
- return {
- getSourcePosition: getSourcePosition,
- getGeneratedPosition: getGeneratedPosition
- };
- function processMapping(mapping) {
- var generatedPosition = generatedFile !== undefined
- ? ts.getPositionOfLineAndCharacter(generatedFile, mapping.generatedLine, mapping.generatedCharacter, /*allowEdits*/ true)
- : -1;
- var source;
- var sourcePosition;
- if (isSourceMapping(mapping)) {
- var sourceFile = host.getSourceFileLike(sourceFileAbsolutePaths[mapping.sourceIndex]);
- source = map.sources[mapping.sourceIndex];
- sourcePosition = sourceFile !== undefined
- ? ts.getPositionOfLineAndCharacter(sourceFile, mapping.sourceLine, mapping.sourceCharacter, /*allowEdits*/ true)
- : -1;
- }
- return {
- generatedPosition: generatedPosition,
- source: source,
- sourceIndex: mapping.sourceIndex,
- sourcePosition: sourcePosition,
- nameIndex: mapping.nameIndex
- };
- }
- function getDecodedMappings() {
- if (decodedMappings === undefined) {
- var decoder = decodeMappings(map.mappings);
- var mappings = ts.arrayFrom(decoder, processMapping);
- if (decoder.error !== undefined) {
- if (host.log) {
- host.log("Encountered error while decoding sourcemap: " + decoder.error);
- }
- decodedMappings = ts.emptyArray;
- }
- else {
- decodedMappings = mappings;
- }
- }
- return decodedMappings;
- }
- function getSourceMappings(sourceIndex) {
- if (sourceMappings === undefined) {
- var lists = [];
- for (var _i = 0, _a = getDecodedMappings(); _i < _a.length; _i++) {
- var mapping = _a[_i];
- if (!isSourceMappedPosition(mapping))
- continue;
- var list = lists[mapping.sourceIndex];
- if (!list)
- lists[mapping.sourceIndex] = list = [];
- list.push(mapping);
- }
- sourceMappings = lists.map(function (list) { return ts.sortAndDeduplicate(list, compareSourcePositions, sameMappedPosition); });
- }
- return sourceMappings[sourceIndex];
- }
- function getGeneratedMappings() {
- if (generatedMappings === undefined) {
- var list = [];
- for (var _i = 0, _a = getDecodedMappings(); _i < _a.length; _i++) {
- var mapping = _a[_i];
- list.push(mapping);
- }
- generatedMappings = ts.sortAndDeduplicate(list, compareGeneratedPositions, sameMappedPosition);
- }
- return generatedMappings;
- }
- function getGeneratedPosition(loc) {
- var sourceIndex = sourceToSourceIndexMap.get(host.getCanonicalFileName(loc.fileName));
- if (sourceIndex === undefined)
- return loc;
- var sourceMappings = getSourceMappings(sourceIndex);
- if (!ts.some(sourceMappings))
- return loc;
- var targetIndex = ts.binarySearchKey(sourceMappings, loc.pos, getSourcePositionOfMapping, ts.compareValues);
- if (targetIndex < 0) {
- // if no exact match, closest is 2's complement of result
- targetIndex = ~targetIndex;
- }
- var mapping = sourceMappings[targetIndex];
- if (mapping === undefined || mapping.sourceIndex !== sourceIndex) {
- return loc;
- }
- return { fileName: generatedAbsoluteFilePath, pos: mapping.generatedPosition }; // Closest pos
- }
- function getSourcePosition(loc) {
- var generatedMappings = getGeneratedMappings();
- if (!ts.some(generatedMappings))
- return loc;
- var targetIndex = ts.binarySearchKey(generatedMappings, loc.pos, getGeneratedPositionOfMapping, ts.compareValues);
- if (targetIndex < 0) {
- // if no exact match, closest is 2's complement of result
- targetIndex = ~targetIndex;
- }
- var mapping = generatedMappings[targetIndex];
- if (mapping === undefined || !isSourceMappedPosition(mapping)) {
- return loc;
- }
- return { fileName: sourceFileAbsolutePaths[mapping.sourceIndex], pos: mapping.sourcePosition }; // Closest pos
- }
- }
- ts.createDocumentPositionMapper = createDocumentPositionMapper;
- ts.identitySourceMapConsumer = {
- getSourcePosition: ts.identity,
- getGeneratedPosition: ts.identity
- };
-})(ts || (ts = {}));
-/* @internal */
-var ts;
-(function (ts) {
- function getOriginalNodeId(node) {
- node = ts.getOriginalNode(node);
- return node ? ts.getNodeId(node) : 0;
- }
- ts.getOriginalNodeId = getOriginalNodeId;
- function containsDefaultReference(node) {
- if (!node)
- return false;
- if (!ts.isNamedImports(node))
- return false;
- return ts.some(node.elements, isNamedDefaultReference);
- }
- function isNamedDefaultReference(e) {
- return e.propertyName !== undefined && e.propertyName.escapedText === "default" /* Default */;
- }
- function chainBundle(transformSourceFile) {
- return transformSourceFileOrBundle;
- function transformSourceFileOrBundle(node) {
- return node.kind === 290 /* SourceFile */ ? transformSourceFile(node) : transformBundle(node);
- }
- function transformBundle(node) {
- return ts.createBundle(ts.map(node.sourceFiles, transformSourceFile), node.prepends);
- }
- }
- ts.chainBundle = chainBundle;
- function getExportNeedsImportStarHelper(node) {
- return !!ts.getNamespaceDeclarationNode(node);
- }
- ts.getExportNeedsImportStarHelper = getExportNeedsImportStarHelper;
- function getImportNeedsImportStarHelper(node) {
- if (!!ts.getNamespaceDeclarationNode(node)) {
- return true;
- }
- var bindings = node.importClause && node.importClause.namedBindings;
- if (!bindings) {
- return false;
- }
- if (!ts.isNamedImports(bindings))
- return false;
- var defaultRefCount = 0;
- for (var _i = 0, _a = bindings.elements; _i < _a.length; _i++) {
- var binding = _a[_i];
- if (isNamedDefaultReference(binding)) {
- defaultRefCount++;
- }
- }
- // Import star is required if there's default named refs mixed with non-default refs, or if theres non-default refs and it has a default import
- return (defaultRefCount > 0 && defaultRefCount !== bindings.elements.length) || (!!(bindings.elements.length - defaultRefCount) && ts.isDefaultImport(node));
- }
- ts.getImportNeedsImportStarHelper = getImportNeedsImportStarHelper;
- function getImportNeedsImportDefaultHelper(node) {
- // Import default is needed if there's a default import or a default ref and no other refs (meaning an import star helper wasn't requested)
- return !getImportNeedsImportStarHelper(node) && (ts.isDefaultImport(node) || (!!node.importClause && ts.isNamedImports(node.importClause.namedBindings) && containsDefaultReference(node.importClause.namedBindings))); // TODO: GH#18217
- }
- ts.getImportNeedsImportDefaultHelper = getImportNeedsImportDefaultHelper;
- function collectExternalModuleInfo(sourceFile, resolver, compilerOptions) {
- var externalImports = [];
- var exportSpecifiers = ts.createMultiMap();
- var exportedBindings = [];
- var uniqueExports = ts.createMap();
- var exportedNames;
- var hasExportDefault = false;
- var exportEquals;
- var hasExportStarsToExportValues = false;
- var hasImportStar = false;
- var hasImportDefault = false;
- for (var _i = 0, _a = sourceFile.statements; _i < _a.length; _i++) {
- var node = _a[_i];
- switch (node.kind) {
- case 254 /* ImportDeclaration */:
- // import "mod"
- // import x from "mod"
- // import * as x from "mod"
- // import { x, y } from "mod"
- externalImports.push(node);
- if (!hasImportStar && getImportNeedsImportStarHelper(node)) {
- hasImportStar = true;
- }
- if (!hasImportDefault && getImportNeedsImportDefaultHelper(node)) {
- hasImportDefault = true;
- }
- break;
- case 253 /* ImportEqualsDeclaration */:
- if (node.moduleReference.kind === 265 /* ExternalModuleReference */) {
- // import x = require("mod")
- externalImports.push(node);
- }
- break;
- case 260 /* ExportDeclaration */:
- if (node.moduleSpecifier) {
- if (!node.exportClause) {
- // export * from "mod"
- externalImports.push(node);
- hasExportStarsToExportValues = true;
- }
- else {
- // export * as ns from "mod"
- // export { x, y } from "mod"
- externalImports.push(node);
- }
- }
- else {
- // export { x, y }
- for (var _b = 0, _c = ts.cast(node.exportClause, ts.isNamedExports).elements; _b < _c.length; _b++) {
- var specifier = _c[_b];
- if (!uniqueExports.get(ts.idText(specifier.name))) {
- var name = specifier.propertyName || specifier.name;
- exportSpecifiers.add(ts.idText(name), specifier);
- var decl = resolver.getReferencedImportDeclaration(name)
- || resolver.getReferencedValueDeclaration(name);
- if (decl) {
- multiMapSparseArrayAdd(exportedBindings, getOriginalNodeId(decl), specifier.name);
- }
- uniqueExports.set(ts.idText(specifier.name), true);
- exportedNames = ts.append(exportedNames, specifier.name);
- }
- }
- }
- break;
- case 259 /* ExportAssignment */:
- if (node.isExportEquals && !exportEquals) {
- // export = x
- exportEquals = node;
- }
- break;
- case 225 /* VariableStatement */:
- if (ts.hasModifier(node, 1 /* Export */)) {
- for (var _d = 0, _e = node.declarationList.declarations; _d < _e.length; _d++) {
- var decl = _e[_d];
- exportedNames = collectExportedVariableInfo(decl, uniqueExports, exportedNames);
- }
- }
- break;
- case 244 /* FunctionDeclaration */:
- if (ts.hasModifier(node, 1 /* Export */)) {
- if (ts.hasModifier(node, 512 /* Default */)) {
- // export default function() { }
- if (!hasExportDefault) {
- multiMapSparseArrayAdd(exportedBindings, getOriginalNodeId(node), ts.getDeclarationName(node));
- hasExportDefault = true;
- }
- }
- else {
- // export function x() { }
- var name = node.name;
- if (!uniqueExports.get(ts.idText(name))) {
- multiMapSparseArrayAdd(exportedBindings, getOriginalNodeId(node), name);
- uniqueExports.set(ts.idText(name), true);
- exportedNames = ts.append(exportedNames, name);
- }
- }
- }
- break;
- case 245 /* ClassDeclaration */:
- if (ts.hasModifier(node, 1 /* Export */)) {
- if (ts.hasModifier(node, 512 /* Default */)) {
- // export default class { }
- if (!hasExportDefault) {
- multiMapSparseArrayAdd(exportedBindings, getOriginalNodeId(node), ts.getDeclarationName(node));
- hasExportDefault = true;
- }
- }
- else {
- // export class x { }
- var name = node.name;
- if (name && !uniqueExports.get(ts.idText(name))) {
- multiMapSparseArrayAdd(exportedBindings, getOriginalNodeId(node), name);
- uniqueExports.set(ts.idText(name), true);
- exportedNames = ts.append(exportedNames, name);
- }
- }
- }
- break;
- }
- }
- var externalHelpersImportDeclaration = ts.createExternalHelpersImportDeclarationIfNeeded(sourceFile, compilerOptions, hasExportStarsToExportValues, hasImportStar, hasImportDefault);
- if (externalHelpersImportDeclaration) {
- externalImports.unshift(externalHelpersImportDeclaration);
- }
- return { externalImports: externalImports, exportSpecifiers: exportSpecifiers, exportEquals: exportEquals, hasExportStarsToExportValues: hasExportStarsToExportValues, exportedBindings: exportedBindings, exportedNames: exportedNames, externalHelpersImportDeclaration: externalHelpersImportDeclaration };
- }
- ts.collectExternalModuleInfo = collectExternalModuleInfo;
- function collectExportedVariableInfo(decl, uniqueExports, exportedNames) {
- if (ts.isBindingPattern(decl.name)) {
- for (var _i = 0, _a = decl.name.elements; _i < _a.length; _i++) {
- var element = _a[_i];
- if (!ts.isOmittedExpression(element)) {
- exportedNames = collectExportedVariableInfo(element, uniqueExports, exportedNames);
- }
- }
- }
- else if (!ts.isGeneratedIdentifier(decl.name)) {
- var text = ts.idText(decl.name);
- if (!uniqueExports.get(text)) {
- uniqueExports.set(text, true);
- exportedNames = ts.append(exportedNames, decl.name);
- }
- }
- return exportedNames;
- }
- /** Use a sparse array as a multi-map. */
- function multiMapSparseArrayAdd(map, key, value) {
- var values = map[key];
- if (values) {
- values.push(value);
- }
- else {
- map[key] = values = [value];
- }
- return values;
- }
- /**
- * Used in the module transformer to check if an expression is reasonably without sideeffect,
- * and thus better to copy into multiple places rather than to cache in a temporary variable
- * - this is mostly subjective beyond the requirement that the expression not be sideeffecting
- */
- function isSimpleCopiableExpression(expression) {
- return ts.isStringLiteralLike(expression) ||
- expression.kind === 8 /* NumericLiteral */ ||
- ts.isKeyword(expression.kind) ||
- ts.isIdentifier(expression);
- }
- ts.isSimpleCopiableExpression = isSimpleCopiableExpression;
- /**
- * A simple inlinable expression is an expression which can be copied into multiple locations
- * without risk of repeating any sideeffects and whose value could not possibly change between
- * any such locations
- */
- function isSimpleInlineableExpression(expression) {
- return !ts.isIdentifier(expression) && isSimpleCopiableExpression(expression) ||
- ts.isWellKnownSymbolSyntactically(expression);
- }
- ts.isSimpleInlineableExpression = isSimpleInlineableExpression;
- function isCompoundAssignment(kind) {
- return kind >= 63 /* FirstCompoundAssignment */
- && kind <= 74 /* LastCompoundAssignment */;
- }
- ts.isCompoundAssignment = isCompoundAssignment;
- function getNonAssignmentOperatorForCompoundAssignment(kind) {
- switch (kind) {
- case 63 /* PlusEqualsToken */: return 39 /* PlusToken */;
- case 64 /* MinusEqualsToken */: return 40 /* MinusToken */;
- case 65 /* AsteriskEqualsToken */: return 41 /* AsteriskToken */;
- case 66 /* AsteriskAsteriskEqualsToken */: return 42 /* AsteriskAsteriskToken */;
- case 67 /* SlashEqualsToken */: return 43 /* SlashToken */;
- case 68 /* PercentEqualsToken */: return 44 /* PercentToken */;
- case 69 /* LessThanLessThanEqualsToken */: return 47 /* LessThanLessThanToken */;
- case 70 /* GreaterThanGreaterThanEqualsToken */: return 48 /* GreaterThanGreaterThanToken */;
- case 71 /* GreaterThanGreaterThanGreaterThanEqualsToken */: return 49 /* GreaterThanGreaterThanGreaterThanToken */;
- case 72 /* AmpersandEqualsToken */: return 50 /* AmpersandToken */;
- case 73 /* BarEqualsToken */: return 51 /* BarToken */;
- case 74 /* CaretEqualsToken */: return 52 /* CaretToken */;
- }
- }
- ts.getNonAssignmentOperatorForCompoundAssignment = getNonAssignmentOperatorForCompoundAssignment;
- /**
- * Adds super call and preceding prologue directives into the list of statements.
- *
- * @param ctor The constructor node.
- * @param result The list of statements.
- * @param visitor The visitor to apply to each node added to the result array.
- * @returns index of the statement that follows super call
- */
- function addPrologueDirectivesAndInitialSuperCall(ctor, result, visitor) {
- if (ctor.body) {
- var statements = ctor.body.statements;
- // add prologue directives to the list (if any)
- var index = ts.addPrologue(result, statements, /*ensureUseStrict*/ false, visitor);
- if (index === statements.length) {
- // list contains nothing but prologue directives (or empty) - exit
- return index;
- }
- var superIndex = ts.findIndex(statements, function (s) { return ts.isExpressionStatement(s) && ts.isSuperCall(s.expression); }, index);
- if (superIndex > -1) {
- for (var i = index; i <= superIndex; i++) {
- result.push(ts.visitNode(statements[i], visitor, ts.isStatement));
- }
- return superIndex + 1;
- }
- return index;
- }
- return 0;
- }
- ts.addPrologueDirectivesAndInitialSuperCall = addPrologueDirectivesAndInitialSuperCall;
- /**
- * @param input Template string input strings
- * @param args Names which need to be made file-level unique
- */
- function helperString(input) {
- var args = [];
- for (var _i = 1; _i < arguments.length; _i++) {
- args[_i - 1] = arguments[_i];
- }
- return function (uniqueName) {
- var result = "";
- for (var i = 0; i < args.length; i++) {
- result += input[i];
- result += uniqueName(args[i]);
- }
- result += input[input.length - 1];
- return result;
- };
- }
- ts.helperString = helperString;
- /**
- * Gets all the static or all the instance property declarations of a class
- *
- * @param node The class node.
- * @param isStatic A value indicating whether to get properties from the static or instance side of the class.
- */
- function getProperties(node, requireInitializer, isStatic) {
- return ts.filter(node.members, function (m) { return isInitializedOrStaticProperty(m, requireInitializer, isStatic); });
- }
- ts.getProperties = getProperties;
- /**
- * Is a class element either a static or an instance property declaration with an initializer?
- *
- * @param member The class element node.
- * @param isStatic A value indicating whether the member should be a static or instance member.
- */
- function isInitializedOrStaticProperty(member, requireInitializer, isStatic) {
- return ts.isPropertyDeclaration(member)
- && (!!member.initializer || !requireInitializer)
- && ts.hasStaticModifier(member) === isStatic;
- }
- /**
- * Gets a value indicating whether a class element is either a static or an instance property declaration with an initializer.
- *
- * @param member The class element node.
- * @param isStatic A value indicating whether the member should be a static or instance member.
- */
- function isInitializedProperty(member) {
- return member.kind === 159 /* PropertyDeclaration */
- && member.initializer !== undefined;
- }
- ts.isInitializedProperty = isInitializedProperty;
-})(ts || (ts = {}));
-/*@internal*/
-var ts;
-(function (ts) {
- var FlattenLevel;
- (function (FlattenLevel) {
- FlattenLevel[FlattenLevel["All"] = 0] = "All";
- FlattenLevel[FlattenLevel["ObjectRest"] = 1] = "ObjectRest";
- })(FlattenLevel = ts.FlattenLevel || (ts.FlattenLevel = {}));
- /**
- * Flattens a DestructuringAssignment or a VariableDeclaration to an expression.
- *
- * @param node The node to flatten.
- * @param visitor An optional visitor used to visit initializers.
- * @param context The transformation context.
- * @param level Indicates the extent to which flattening should occur.
- * @param needsValue An optional value indicating whether the value from the right-hand-side of
- * the destructuring assignment is needed as part of a larger expression.
- * @param createAssignmentCallback An optional callback used to create the assignment expression.
- */
- function flattenDestructuringAssignment(node, visitor, context, level, needsValue, createAssignmentCallback) {
- var location = node;
- var value;
- if (ts.isDestructuringAssignment(node)) {
- value = node.right;
- while (ts.isEmptyArrayLiteral(node.left) || ts.isEmptyObjectLiteral(node.left)) {
- if (ts.isDestructuringAssignment(value)) {
- location = node = value;
- value = node.right;
- }
- else {
- return ts.visitNode(value, visitor, ts.isExpression);
- }
- }
- }
- var expressions;
- var flattenContext = {
- context: context,
- level: level,
- downlevelIteration: !!context.getCompilerOptions().downlevelIteration,
- hoistTempVariables: true,
- emitExpression: emitExpression,
- emitBindingOrAssignment: emitBindingOrAssignment,
- createArrayBindingOrAssignmentPattern: makeArrayAssignmentPattern,
- createObjectBindingOrAssignmentPattern: makeObjectAssignmentPattern,
- createArrayBindingOrAssignmentElement: makeAssignmentElement,
- visitor: visitor
- };
- if (value) {
- value = ts.visitNode(value, visitor, ts.isExpression);
- if (ts.isIdentifier(value) && bindingOrAssignmentElementAssignsToName(node, value.escapedText) ||
- bindingOrAssignmentElementContainsNonLiteralComputedName(node)) {
- // If the right-hand value of the assignment is also an assignment target then
- // we need to cache the right-hand value.
- value = ensureIdentifier(flattenContext, value, /*reuseIdentifierExpressions*/ false, location);
- }
- else if (needsValue) {
- // If the right-hand value of the destructuring assignment needs to be preserved (as
- // is the case when the destructuring assignment is part of a larger expression),
- // then we need to cache the right-hand value.
- //
- // The source map location for the assignment should point to the entire binary
- // expression.
- value = ensureIdentifier(flattenContext, value, /*reuseIdentifierExpressions*/ true, location);
- }
- else if (ts.nodeIsSynthesized(node)) {
- // Generally, the source map location for a destructuring assignment is the root
- // expression.
- //
- // However, if the root expression is synthesized (as in the case
- // of the initializer when transforming a ForOfStatement), then the source map
- // location should point to the right-hand value of the expression.
- location = value;
- }
- }
- flattenBindingOrAssignmentElement(flattenContext, node, value, location, /*skipInitializer*/ ts.isDestructuringAssignment(node));
- if (value && needsValue) {
- if (!ts.some(expressions)) {
- return value;
- }
- expressions.push(value);
- }
- return ts.aggregateTransformFlags(ts.inlineExpressions(expressions)) || ts.createOmittedExpression();
- function emitExpression(expression) {
- ts.aggregateTransformFlags(expression);
- expressions = ts.append(expressions, expression);
- }
- function emitBindingOrAssignment(target, value, location, original) {
- ts.Debug.assertNode(target, createAssignmentCallback ? ts.isIdentifier : ts.isExpression);
- var expression = createAssignmentCallback
- ? createAssignmentCallback(target, value, location)
- : ts.setTextRange(ts.createAssignment(ts.visitNode(target, visitor, ts.isExpression), value), location);
- expression.original = original;
- emitExpression(expression);
- }
- }
- ts.flattenDestructuringAssignment = flattenDestructuringAssignment;
- function bindingOrAssignmentElementAssignsToName(element, escapedName) {
- var target = ts.getTargetOfBindingOrAssignmentElement(element); // TODO: GH#18217
- if (ts.isBindingOrAssignmentPattern(target)) {
- return bindingOrAssignmentPatternAssignsToName(target, escapedName);
- }
- else if (ts.isIdentifier(target)) {
- return target.escapedText === escapedName;
- }
- return false;
- }
- function bindingOrAssignmentPatternAssignsToName(pattern, escapedName) {
- var elements = ts.getElementsOfBindingOrAssignmentPattern(pattern);
- for (var _i = 0, elements_3 = elements; _i < elements_3.length; _i++) {
- var element = elements_3[_i];
- if (bindingOrAssignmentElementAssignsToName(element, escapedName)) {
- return true;
- }
- }
- return false;
- }
- function bindingOrAssignmentElementContainsNonLiteralComputedName(element) {
- var propertyName = ts.tryGetPropertyNameOfBindingOrAssignmentElement(element);
- if (propertyName && ts.isComputedPropertyName(propertyName) && !ts.isLiteralExpression(propertyName.expression)) {
- return true;
- }
- var target = ts.getTargetOfBindingOrAssignmentElement(element);
- return !!target && ts.isBindingOrAssignmentPattern(target) && bindingOrAssignmentPatternContainsNonLiteralComputedName(target);
- }
- function bindingOrAssignmentPatternContainsNonLiteralComputedName(pattern) {
- return !!ts.forEach(ts.getElementsOfBindingOrAssignmentPattern(pattern), bindingOrAssignmentElementContainsNonLiteralComputedName);
- }
- /**
- * Flattens a VariableDeclaration or ParameterDeclaration to one or more variable declarations.
- *
- * @param node The node to flatten.
- * @param visitor An optional visitor used to visit initializers.
- * @param context The transformation context.
- * @param boundValue The value bound to the declaration.
- * @param skipInitializer A value indicating whether to ignore the initializer of `node`.
- * @param hoistTempVariables Indicates whether temporary variables should not be recorded in-line.
- * @param level Indicates the extent to which flattening should occur.
- */
- function flattenDestructuringBinding(node, visitor, context, level, rval, hoistTempVariables, skipInitializer) {
- if (hoistTempVariables === void 0) { hoistTempVariables = false; }
- var pendingExpressions;
- var pendingDeclarations = [];
- var declarations = [];
- var flattenContext = {
- context: context,
- level: level,
- downlevelIteration: !!context.getCompilerOptions().downlevelIteration,
- hoistTempVariables: hoistTempVariables,
- emitExpression: emitExpression,
- emitBindingOrAssignment: emitBindingOrAssignment,
- createArrayBindingOrAssignmentPattern: makeArrayBindingPattern,
- createObjectBindingOrAssignmentPattern: makeObjectBindingPattern,
- createArrayBindingOrAssignmentElement: makeBindingElement,
- visitor: visitor
- };
- if (ts.isVariableDeclaration(node)) {
- var initializer = ts.getInitializerOfBindingOrAssignmentElement(node);
- if (initializer && (ts.isIdentifier(initializer) && bindingOrAssignmentElementAssignsToName(node, initializer.escapedText) ||
- bindingOrAssignmentElementContainsNonLiteralComputedName(node))) {
- // If the right-hand value of the assignment is also an assignment target then
- // we need to cache the right-hand value.
- initializer = ensureIdentifier(flattenContext, initializer, /*reuseIdentifierExpressions*/ false, initializer);
- node = ts.updateVariableDeclaration(node, node.name, node.type, initializer);
- }
- }
- flattenBindingOrAssignmentElement(flattenContext, node, rval, node, skipInitializer);
- if (pendingExpressions) {
- var temp = ts.createTempVariable(/*recordTempVariable*/ undefined);
- if (hoistTempVariables) {
- var value = ts.inlineExpressions(pendingExpressions);
- pendingExpressions = undefined;
- emitBindingOrAssignment(temp, value, /*location*/ undefined, /*original*/ undefined);
- }
- else {
- context.hoistVariableDeclaration(temp);
- var pendingDeclaration = ts.last(pendingDeclarations);
- pendingDeclaration.pendingExpressions = ts.append(pendingDeclaration.pendingExpressions, ts.createAssignment(temp, pendingDeclaration.value));
- ts.addRange(pendingDeclaration.pendingExpressions, pendingExpressions);
- pendingDeclaration.value = temp;
- }
- }
- for (var _i = 0, pendingDeclarations_1 = pendingDeclarations; _i < pendingDeclarations_1.length; _i++) {
- var _a = pendingDeclarations_1[_i], pendingExpressions_1 = _a.pendingExpressions, name = _a.name, value = _a.value, location = _a.location, original = _a.original;
- var variable = ts.createVariableDeclaration(name,
- /*type*/ undefined, pendingExpressions_1 ? ts.inlineExpressions(ts.append(pendingExpressions_1, value)) : value);
- variable.original = original;
- ts.setTextRange(variable, location);
- ts.aggregateTransformFlags(variable);
- declarations.push(variable);
- }
- return declarations;
- function emitExpression(value) {
- pendingExpressions = ts.append(pendingExpressions, value);
- }
- function emitBindingOrAssignment(target, value, location, original) {
- ts.Debug.assertNode(target, ts.isBindingName);
- if (pendingExpressions) {
- value = ts.inlineExpressions(ts.append(pendingExpressions, value));
- pendingExpressions = undefined;
- }
- pendingDeclarations.push({ pendingExpressions: pendingExpressions, name: target, value: value, location: location, original: original });
- }
- }
- ts.flattenDestructuringBinding = flattenDestructuringBinding;
- /**
- * Flattens a BindingOrAssignmentElement into zero or more bindings or assignments.
- *
- * @param flattenContext Options used to control flattening.
- * @param element The element to flatten.
- * @param value The current RHS value to assign to the element.
- * @param location The location to use for source maps and comments.
- * @param skipInitializer An optional value indicating whether to include the initializer
- * for the element.
- */
- function flattenBindingOrAssignmentElement(flattenContext, element, value, location, skipInitializer) {
- if (!skipInitializer) {
- var initializer = ts.visitNode(ts.getInitializerOfBindingOrAssignmentElement(element), flattenContext.visitor, ts.isExpression);
- if (initializer) {
- // Combine value and initializer
- value = value ? createDefaultValueCheck(flattenContext, value, initializer, location) : initializer;
- }
- else if (!value) {
- // Use 'void 0' in absence of value and initializer
- value = ts.createVoidZero();
- }
- }
- var bindingTarget = ts.getTargetOfBindingOrAssignmentElement(element); // TODO: GH#18217
- if (ts.isObjectBindingOrAssignmentPattern(bindingTarget)) {
- flattenObjectBindingOrAssignmentPattern(flattenContext, element, bindingTarget, value, location);
- }
- else if (ts.isArrayBindingOrAssignmentPattern(bindingTarget)) {
- flattenArrayBindingOrAssignmentPattern(flattenContext, element, bindingTarget, value, location);
- }
- else {
- flattenContext.emitBindingOrAssignment(bindingTarget, value, location, /*original*/ element); // TODO: GH#18217
- }
- }
- /**
- * Flattens an ObjectBindingOrAssignmentPattern into zero or more bindings or assignments.
- *
- * @param flattenContext Options used to control flattening.
- * @param parent The parent element of the pattern.
- * @param pattern The ObjectBindingOrAssignmentPattern to flatten.
- * @param value The current RHS value to assign to the element.
- * @param location The location to use for source maps and comments.
- */
- function flattenObjectBindingOrAssignmentPattern(flattenContext, parent, pattern, value, location) {
- var elements = ts.getElementsOfBindingOrAssignmentPattern(pattern);
- var numElements = elements.length;
- if (numElements !== 1) {
- // For anything other than a single-element destructuring we need to generate a temporary
- // to ensure value is evaluated exactly once. Additionally, if we have zero elements
- // we need to emit *something* to ensure that in case a 'var' keyword was already emitted,
- // so in that case, we'll intentionally create that temporary.
- var reuseIdentifierExpressions = !ts.isDeclarationBindingElement(parent) || numElements !== 0;
- value = ensureIdentifier(flattenContext, value, reuseIdentifierExpressions, location);
- }
- var bindingElements;
- var computedTempVariables;
- for (var i = 0; i < numElements; i++) {
- var element = elements[i];
- if (!ts.getRestIndicatorOfBindingOrAssignmentElement(element)) {
- var propertyName = ts.getPropertyNameOfBindingOrAssignmentElement(element);
- if (flattenContext.level >= 1 /* ObjectRest */
- && !(element.transformFlags & (8192 /* ContainsRestOrSpread */ | 16384 /* ContainsObjectRestOrSpread */))
- && !(ts.getTargetOfBindingOrAssignmentElement(element).transformFlags & (8192 /* ContainsRestOrSpread */ | 16384 /* ContainsObjectRestOrSpread */))
- && !ts.isComputedPropertyName(propertyName)) {
- bindingElements = ts.append(bindingElements, ts.visitNode(element, flattenContext.visitor));
- }
- else {
- if (bindingElements) {
- flattenContext.emitBindingOrAssignment(flattenContext.createObjectBindingOrAssignmentPattern(bindingElements), value, location, pattern);
- bindingElements = undefined;
- }
- var rhsValue = createDestructuringPropertyAccess(flattenContext, value, propertyName);
- if (ts.isComputedPropertyName(propertyName)) {
- computedTempVariables = ts.append(computedTempVariables, rhsValue.argumentExpression);
- }
- flattenBindingOrAssignmentElement(flattenContext, element, rhsValue, /*location*/ element);
- }
- }
- else if (i === numElements - 1) {
- if (bindingElements) {
- flattenContext.emitBindingOrAssignment(flattenContext.createObjectBindingOrAssignmentPattern(bindingElements), value, location, pattern);
- bindingElements = undefined;
- }
- var rhsValue = createRestCall(flattenContext.context, value, elements, computedTempVariables, pattern); // TODO: GH#18217
- flattenBindingOrAssignmentElement(flattenContext, element, rhsValue, element);
- }
- }
- if (bindingElements) {
- flattenContext.emitBindingOrAssignment(flattenContext.createObjectBindingOrAssignmentPattern(bindingElements), value, location, pattern);
- }
- }
- /**
- * Flattens an ArrayBindingOrAssignmentPattern into zero or more bindings or assignments.
- *
- * @param flattenContext Options used to control flattening.
- * @param parent The parent element of the pattern.
- * @param pattern The ArrayBindingOrAssignmentPattern to flatten.
- * @param value The current RHS value to assign to the element.
- * @param location The location to use for source maps and comments.
- */
- function flattenArrayBindingOrAssignmentPattern(flattenContext, parent, pattern, value, location) {
- var elements = ts.getElementsOfBindingOrAssignmentPattern(pattern);
- var numElements = elements.length;
- if (flattenContext.level < 1 /* ObjectRest */ && flattenContext.downlevelIteration) {
- // Read the elements of the iterable into an array
- value = ensureIdentifier(flattenContext, ts.createReadHelper(flattenContext.context, value, numElements > 0 && ts.getRestIndicatorOfBindingOrAssignmentElement(elements[numElements - 1])
- ? undefined
- : numElements, location),
- /*reuseIdentifierExpressions*/ false, location);
- }
- else if (numElements !== 1 && (flattenContext.level < 1 /* ObjectRest */ || numElements === 0)
- || ts.every(elements, ts.isOmittedExpression)) {
- // For anything other than a single-element destructuring we need to generate a temporary
- // to ensure value is evaluated exactly once. Additionally, if we have zero elements
- // we need to emit *something* to ensure that in case a 'var' keyword was already emitted,
- // so in that case, we'll intentionally create that temporary.
- // Or all the elements of the binding pattern are omitted expression such as "var [,] = [1,2]",
- // then we will create temporary variable.
- var reuseIdentifierExpressions = !ts.isDeclarationBindingElement(parent) || numElements !== 0;
- value = ensureIdentifier(flattenContext, value, reuseIdentifierExpressions, location);
- }
- var bindingElements;
- var restContainingElements;
- for (var i = 0; i < numElements; i++) {
- var element = elements[i];
- if (flattenContext.level >= 1 /* ObjectRest */) {
- // If an array pattern contains an ObjectRest, we must cache the result so that we
- // can perform the ObjectRest destructuring in a different declaration
- if (element.transformFlags & 16384 /* ContainsObjectRestOrSpread */) {
- var temp = ts.createTempVariable(/*recordTempVariable*/ undefined);
- if (flattenContext.hoistTempVariables) {
- flattenContext.context.hoistVariableDeclaration(temp);
- }
- restContainingElements = ts.append(restContainingElements, [temp, element]);
- bindingElements = ts.append(bindingElements, flattenContext.createArrayBindingOrAssignmentElement(temp));
- }
- else {
- bindingElements = ts.append(bindingElements, element);
- }
- }
- else if (ts.isOmittedExpression(element)) {
- continue;
- }
- else if (!ts.getRestIndicatorOfBindingOrAssignmentElement(element)) {
- var rhsValue = ts.createElementAccess(value, i);
- flattenBindingOrAssignmentElement(flattenContext, element, rhsValue, /*location*/ element);
- }
- else if (i === numElements - 1) {
- var rhsValue = ts.createArraySlice(value, i);
- flattenBindingOrAssignmentElement(flattenContext, element, rhsValue, /*location*/ element);
- }
- }
- if (bindingElements) {
- flattenContext.emitBindingOrAssignment(flattenContext.createArrayBindingOrAssignmentPattern(bindingElements), value, location, pattern);
- }
- if (restContainingElements) {
- for (var _i = 0, restContainingElements_1 = restContainingElements; _i < restContainingElements_1.length; _i++) {
- var _a = restContainingElements_1[_i], id = _a[0], element = _a[1];
- flattenBindingOrAssignmentElement(flattenContext, element, id, element);
- }
- }
- }
- /**
- * Creates an expression used to provide a default value if a value is `undefined` at runtime.
- *
- * @param flattenContext Options used to control flattening.
- * @param value The RHS value to test.
- * @param defaultValue The default value to use if `value` is `undefined` at runtime.
- * @param location The location to use for source maps and comments.
- */
- function createDefaultValueCheck(flattenContext, value, defaultValue, location) {
- value = ensureIdentifier(flattenContext, value, /*reuseIdentifierExpressions*/ true, location);
- return ts.createConditional(ts.createTypeCheck(value, "undefined"), defaultValue, value);
- }
- /**
- * Creates either a PropertyAccessExpression or an ElementAccessExpression for the
- * right-hand side of a transformed destructuring assignment.
- *
- * @link https://tc39.github.io/ecma262/#sec-runtime-semantics-keyeddestructuringassignmentevaluation
- *
- * @param flattenContext Options used to control flattening.
- * @param value The RHS value that is the source of the property.
- * @param propertyName The destructuring property name.
- */
- function createDestructuringPropertyAccess(flattenContext, value, propertyName) {
- if (ts.isComputedPropertyName(propertyName)) {
- var argumentExpression = ensureIdentifier(flattenContext, ts.visitNode(propertyName.expression, flattenContext.visitor), /*reuseIdentifierExpressions*/ false, /*location*/ propertyName);
- return ts.createElementAccess(value, argumentExpression);
- }
- else if (ts.isStringOrNumericLiteralLike(propertyName)) {
- var argumentExpression = ts.getSynthesizedClone(propertyName);
- argumentExpression.text = argumentExpression.text;
- return ts.createElementAccess(value, argumentExpression);
- }
- else {
- var name = ts.createIdentifier(ts.idText(propertyName));
- return ts.createPropertyAccess(value, name);
- }
- }
- /**
- * Ensures that there exists a declared identifier whose value holds the given expression.
- * This function is useful to ensure that the expression's value can be read from in subsequent expressions.
- * Unless 'reuseIdentifierExpressions' is false, 'value' will be returned if it is just an identifier.
- *
- * @param flattenContext Options used to control flattening.
- * @param value the expression whose value needs to be bound.
- * @param reuseIdentifierExpressions true if identifier expressions can simply be returned;
- * false if it is necessary to always emit an identifier.
- * @param location The location to use for source maps and comments.
- */
- function ensureIdentifier(flattenContext, value, reuseIdentifierExpressions, location) {
- if (ts.isIdentifier(value) && reuseIdentifierExpressions) {
- return value;
- }
- else {
- var temp = ts.createTempVariable(/*recordTempVariable*/ undefined);
- if (flattenContext.hoistTempVariables) {
- flattenContext.context.hoistVariableDeclaration(temp);
- flattenContext.emitExpression(ts.setTextRange(ts.createAssignment(temp, value), location));
- }
- else {
- flattenContext.emitBindingOrAssignment(temp, value, location, /*original*/ undefined);
- }
- return temp;
- }
- }
- function makeArrayBindingPattern(elements) {
- ts.Debug.assertEachNode(elements, ts.isArrayBindingElement);
- return ts.createArrayBindingPattern(elements);
- }
- function makeArrayAssignmentPattern(elements) {
- return ts.createArrayLiteral(ts.map(elements, ts.convertToArrayAssignmentElement));
- }
- function makeObjectBindingPattern(elements) {
- ts.Debug.assertEachNode(elements, ts.isBindingElement);
- return ts.createObjectBindingPattern(elements);
- }
- function makeObjectAssignmentPattern(elements) {
- return ts.createObjectLiteral(ts.map(elements, ts.convertToObjectAssignmentElement));
- }
- function makeBindingElement(name) {
- return ts.createBindingElement(/*dotDotDotToken*/ undefined, /*propertyName*/ undefined, name);
- }
- function makeAssignmentElement(name) {
- return name;
- }
- ts.restHelper = {
- name: "typescript:rest",
- importName: "__rest",
- scoped: false,
- text: "\n var __rest = (this && this.__rest) || function (s, e) {\n var t = {};\n for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p) && e.indexOf(p) < 0)\n t[p] = s[p];\n if (s != null && typeof Object.getOwnPropertySymbols === \"function\")\n for (var i = 0, p = Object.getOwnPropertySymbols(s); i < p.length; i++) {\n if (e.indexOf(p[i]) < 0 && Object.prototype.propertyIsEnumerable.call(s, p[i]))\n t[p[i]] = s[p[i]];\n }\n return t;\n };"
- };
- /** Given value: o, propName: p, pattern: { a, b, ...p } from the original statement
- * `{ a, b, ...p } = o`, create `p = __rest(o, ["a", "b"]);`
- */
- function createRestCall(context, value, elements, computedTempVariables, location) {
- context.requestEmitHelper(ts.restHelper);
- var propertyNames = [];
- var computedTempVariableOffset = 0;
- for (var i = 0; i < elements.length - 1; i++) {
- var propertyName = ts.getPropertyNameOfBindingOrAssignmentElement(elements[i]);
- if (propertyName) {
- if (ts.isComputedPropertyName(propertyName)) {
- var temp = computedTempVariables[computedTempVariableOffset];
- computedTempVariableOffset++;
- // typeof _tmp === "symbol" ? _tmp : _tmp + ""
- propertyNames.push(ts.createConditional(ts.createTypeCheck(temp, "symbol"), temp, ts.createAdd(temp, ts.createLiteral(""))));
- }
- else {
- propertyNames.push(ts.createLiteral(propertyName));
- }
- }
- }
- return ts.createCall(ts.getUnscopedHelperName("__rest"),
- /*typeArguments*/ undefined, [
- value,
- ts.setTextRange(ts.createArrayLiteral(propertyNames), location)
- ]);
- }
-})(ts || (ts = {}));
-/*@internal*/
-var ts;
-(function (ts) {
- var ProcessLevel;
- (function (ProcessLevel) {
- ProcessLevel[ProcessLevel["LiftRestriction"] = 0] = "LiftRestriction";
- ProcessLevel[ProcessLevel["All"] = 1] = "All";
- })(ProcessLevel = ts.ProcessLevel || (ts.ProcessLevel = {}));
- function processTaggedTemplateExpression(context, node, visitor, currentSourceFile, recordTaggedTemplateString, level) {
- // Visit the tag expression
- var tag = ts.visitNode(node.tag, visitor, ts.isExpression);
- // Build up the template arguments and the raw and cooked strings for the template.
- // We start out with 'undefined' for the first argument and revisit later
- // to avoid walking over the template string twice and shifting all our arguments over after the fact.
- var templateArguments = [undefined];
- var cookedStrings = [];
- var rawStrings = [];
- var template = node.template;
- if (level === ProcessLevel.LiftRestriction && !ts.hasInvalidEscape(template))
- return node;
- if (ts.isNoSubstitutionTemplateLiteral(template)) {
- cookedStrings.push(createTemplateCooked(template));
- rawStrings.push(getRawLiteral(template, currentSourceFile));
- }
- else {
- cookedStrings.push(createTemplateCooked(template.head));
- rawStrings.push(getRawLiteral(template.head, currentSourceFile));
- for (var _i = 0, _a = template.templateSpans; _i < _a.length; _i++) {
- var templateSpan = _a[_i];
- cookedStrings.push(createTemplateCooked(templateSpan.literal));
- rawStrings.push(getRawLiteral(templateSpan.literal, currentSourceFile));
- templateArguments.push(ts.visitNode(templateSpan.expression, visitor, ts.isExpression));
- }
- }
- var helperCall = createTemplateObjectHelper(context, ts.createArrayLiteral(cookedStrings), ts.createArrayLiteral(rawStrings));
- // Create a variable to cache the template object if we're in a module.
- // Do not do this in the global scope, as any variable we currently generate could conflict with
- // variables from outside of the current compilation. In the future, we can revisit this behavior.
- if (ts.isExternalModule(currentSourceFile)) {
- var tempVar = ts.createUniqueName("templateObject");
- recordTaggedTemplateString(tempVar);
- templateArguments[0] = ts.createLogicalOr(tempVar, ts.createAssignment(tempVar, helperCall));
- }
- else {
- templateArguments[0] = helperCall;
- }
- return ts.createCall(tag, /*typeArguments*/ undefined, templateArguments);
- }
- ts.processTaggedTemplateExpression = processTaggedTemplateExpression;
- function createTemplateCooked(template) {
- return template.templateFlags ? ts.createIdentifier("undefined") : ts.createLiteral(template.text);
- }
- /**
- * Creates an ES5 compatible literal from an ES6 template literal.
- *
- * @param node The ES6 template literal.
- */
- function getRawLiteral(node, currentSourceFile) {
- // Find original source text, since we need to emit the raw strings of the tagged template.
- // The raw strings contain the (escaped) strings of what the user wrote.
- // Examples: `\n` is converted to "\\n", a template string with a newline to "\n".
- var text = node.rawText;
- if (text === undefined) {
- text = ts.getSourceTextOfNodeFromSourceFile(currentSourceFile, node);
- // text contains the original source, it will also contain quotes ("`"), dolar signs and braces ("${" and "}"),
- // thus we need to remove those characters.
- // First template piece starts with "`", others with "}"
- // Last template piece ends with "`", others with "${"
- var isLast = node.kind === 14 /* NoSubstitutionTemplateLiteral */ || node.kind === 17 /* TemplateTail */;
- text = text.substring(1, text.length - (isLast ? 1 : 2));
- }
- // Newline normalization:
- // ES6 Spec 11.8.6.1 - Static Semantics of TV's and TRV's
- // <CR><LF> and <CR> LineTerminatorSequences are normalized to <LF> for both TV and TRV.
- text = text.replace(/\r\n?/g, "\n");
- return ts.setTextRange(ts.createLiteral(text), node);
- }
- function createTemplateObjectHelper(context, cooked, raw) {
- context.requestEmitHelper(ts.templateObjectHelper);
- return ts.createCall(ts.getUnscopedHelperName("__makeTemplateObject"),
- /*typeArguments*/ undefined, [
- cooked,
- raw
- ]);
- }
- ts.templateObjectHelper = {
- name: "typescript:makeTemplateObject",
- importName: "__makeTemplateObject",
- scoped: false,
- priority: 0,
- text: "\n var __makeTemplateObject = (this && this.__makeTemplateObject) || function (cooked, raw) {\n if (Object.defineProperty) { Object.defineProperty(cooked, \"raw\", { value: raw }); } else { cooked.raw = raw; }\n return cooked;\n };"
- };
-})(ts || (ts = {}));
-/*@internal*/
-var ts;
-(function (ts) {
- /**
- * Indicates whether to emit type metadata in the new format.
- */
- var USE_NEW_TYPE_METADATA_FORMAT = false;
- var TypeScriptSubstitutionFlags;
- (function (TypeScriptSubstitutionFlags) {
- /** Enables substitutions for decorated classes. */
- TypeScriptSubstitutionFlags[TypeScriptSubstitutionFlags["ClassAliases"] = 1] = "ClassAliases";
- /** Enables substitutions for namespace exports. */
- TypeScriptSubstitutionFlags[TypeScriptSubstitutionFlags["NamespaceExports"] = 2] = "NamespaceExports";
- /* Enables substitutions for unqualified enum members */
- TypeScriptSubstitutionFlags[TypeScriptSubstitutionFlags["NonQualifiedEnumMembers"] = 8] = "NonQualifiedEnumMembers";
- })(TypeScriptSubstitutionFlags || (TypeScriptSubstitutionFlags = {}));
- var ClassFacts;
- (function (ClassFacts) {
- ClassFacts[ClassFacts["None"] = 0] = "None";
- ClassFacts[ClassFacts["HasStaticInitializedProperties"] = 1] = "HasStaticInitializedProperties";
- ClassFacts[ClassFacts["HasConstructorDecorators"] = 2] = "HasConstructorDecorators";
- ClassFacts[ClassFacts["HasMemberDecorators"] = 4] = "HasMemberDecorators";
- ClassFacts[ClassFacts["IsExportOfNamespace"] = 8] = "IsExportOfNamespace";
- ClassFacts[ClassFacts["IsNamedExternalExport"] = 16] = "IsNamedExternalExport";
- ClassFacts[ClassFacts["IsDefaultExternalExport"] = 32] = "IsDefaultExternalExport";
- ClassFacts[ClassFacts["IsDerivedClass"] = 64] = "IsDerivedClass";
- ClassFacts[ClassFacts["UseImmediatelyInvokedFunctionExpression"] = 128] = "UseImmediatelyInvokedFunctionExpression";
- ClassFacts[ClassFacts["HasAnyDecorators"] = 6] = "HasAnyDecorators";
- ClassFacts[ClassFacts["NeedsName"] = 5] = "NeedsName";
- ClassFacts[ClassFacts["MayNeedImmediatelyInvokedFunctionExpression"] = 7] = "MayNeedImmediatelyInvokedFunctionExpression";
- ClassFacts[ClassFacts["IsExported"] = 56] = "IsExported";
- })(ClassFacts || (ClassFacts = {}));
- function transformTypeScript(context) {
- var startLexicalEnvironment = context.startLexicalEnvironment, resumeLexicalEnvironment = context.resumeLexicalEnvironment, endLexicalEnvironment = context.endLexicalEnvironment, hoistVariableDeclaration = context.hoistVariableDeclaration;
- var resolver = context.getEmitResolver();
- var compilerOptions = context.getCompilerOptions();
- var strictNullChecks = ts.getStrictOptionValue(compilerOptions, "strictNullChecks");
- var languageVersion = ts.getEmitScriptTarget(compilerOptions);
- var moduleKind = ts.getEmitModuleKind(compilerOptions);
- // Save the previous transformation hooks.
- var previousOnEmitNode = context.onEmitNode;
- var previousOnSubstituteNode = context.onSubstituteNode;
- // Set new transformation hooks.
- context.onEmitNode = onEmitNode;
- context.onSubstituteNode = onSubstituteNode;
- // Enable substitution for property/element access to emit const enum values.
- context.enableSubstitution(194 /* PropertyAccessExpression */);
- context.enableSubstitution(195 /* ElementAccessExpression */);
- // These variables contain state that changes as we descend into the tree.
- var currentSourceFile;
- var currentNamespace;
- var currentNamespaceContainerName;
- var currentLexicalScope;
- var currentNameScope;
- var currentScopeFirstDeclarationsOfName;
- var currentClassHasParameterProperties;
- /**
- * Keeps track of whether expression substitution has been enabled for specific edge cases.
- * They are persisted between each SourceFile transformation and should not be reset.
- */
- var enabledSubstitutions;
- /**
- * A map that keeps track of aliases created for classes with decorators to avoid issues
- * with the double-binding behavior of classes.
- */
- var classAliases;
- /**
- * Keeps track of whether we are within any containing namespaces when performing
- * just-in-time substitution while printing an expression identifier.
- */
- var applicableSubstitutions;
- return transformSourceFileOrBundle;
- function transformSourceFileOrBundle(node) {
- if (node.kind === 291 /* Bundle */) {
- return transformBundle(node);
- }
- return transformSourceFile(node);
- }
- function transformBundle(node) {
- return ts.createBundle(node.sourceFiles.map(transformSourceFile), ts.mapDefined(node.prepends, function (prepend) {
- if (prepend.kind === 293 /* InputFiles */) {
- return ts.createUnparsedSourceFile(prepend, "js");
- }
- return prepend;
- }));
- }
- /**
- * Transform TypeScript-specific syntax in a SourceFile.
- *
- * @param node A SourceFile node.
- */
- function transformSourceFile(node) {
- if (node.isDeclarationFile) {
- return node;
- }
- currentSourceFile = node;
- var visited = saveStateAndInvoke(node, visitSourceFile);
- ts.addEmitHelpers(visited, context.readEmitHelpers());
- currentSourceFile = undefined;
- return visited;
- }
- /**
- * Visits a node, saving and restoring state variables on the stack.
- *
- * @param node The node to visit.
- */
- function saveStateAndInvoke(node, f) {
- // Save state
- var savedCurrentScope = currentLexicalScope;
- var savedCurrentNameScope = currentNameScope;
- var savedCurrentScopeFirstDeclarationsOfName = currentScopeFirstDeclarationsOfName;
- var savedCurrentClassHasParameterProperties = currentClassHasParameterProperties;
- // Handle state changes before visiting a node.
- onBeforeVisitNode(node);
- var visited = f(node);
- // Restore state
- if (currentLexicalScope !== savedCurrentScope) {
- currentScopeFirstDeclarationsOfName = savedCurrentScopeFirstDeclarationsOfName;
- }
- currentLexicalScope = savedCurrentScope;
- currentNameScope = savedCurrentNameScope;
- currentClassHasParameterProperties = savedCurrentClassHasParameterProperties;
- return visited;
- }
- /**
- * Performs actions that should always occur immediately before visiting a node.
- *
- * @param node The node to visit.
- */
- function onBeforeVisitNode(node) {
- switch (node.kind) {
- case 290 /* SourceFile */:
- case 251 /* CaseBlock */:
- case 250 /* ModuleBlock */:
- case 223 /* Block */:
- currentLexicalScope = node;
- currentNameScope = undefined;
- currentScopeFirstDeclarationsOfName = undefined;
- break;
- case 245 /* ClassDeclaration */:
- case 244 /* FunctionDeclaration */:
- if (ts.hasModifier(node, 2 /* Ambient */)) {
- break;
- }
- // Record these declarations provided that they have a name.
- if (node.name) {
- recordEmittedDeclarationInScope(node);
- }
- else {
- // These nodes should always have names unless they are default-exports;
- // however, class declaration parsing allows for undefined names, so syntactically invalid
- // programs may also have an undefined name.
- ts.Debug.assert(node.kind === 245 /* ClassDeclaration */ || ts.hasModifier(node, 512 /* Default */));
- }
- if (ts.isClassDeclaration(node)) {
- // XXX: should probably also cover interfaces and type aliases that can have type variables?
- currentNameScope = node;
- }
- break;
- }
- }
- /**
- * General-purpose node visitor.
- *
- * @param node The node to visit.
- */
- function visitor(node) {
- return saveStateAndInvoke(node, visitorWorker);
- }
- /**
- * Visits and possibly transforms any node.
- *
- * @param node The node to visit.
- */
- function visitorWorker(node) {
- if (node.transformFlags & 1 /* ContainsTypeScript */) {
- return visitTypeScript(node);
- }
- return node;
- }
- /**
- * Specialized visitor that visits the immediate children of a SourceFile.
- *
- * @param node The node to visit.
- */
- function sourceElementVisitor(node) {
- return saveStateAndInvoke(node, sourceElementVisitorWorker);
- }
- /**
- * Specialized visitor that visits the immediate children of a SourceFile.
- *
- * @param node The node to visit.
- */
- function sourceElementVisitorWorker(node) {
- switch (node.kind) {
- case 254 /* ImportDeclaration */:
- case 253 /* ImportEqualsDeclaration */:
- case 259 /* ExportAssignment */:
- case 260 /* ExportDeclaration */:
- return visitEllidableStatement(node);
- default:
- return visitorWorker(node);
- }
- }
- function visitEllidableStatement(node) {
- var parsed = ts.getParseTreeNode(node);
- if (parsed !== node) {
- // If the node has been transformed by a `before` transformer, perform no ellision on it
- // As the type information we would attempt to lookup to perform ellision is potentially unavailable for the synthesized nodes
- // We do not reuse `visitorWorker`, as the ellidable statement syntax kinds are technically unrecognized by the switch-case in `visitTypeScript`,
- // and will trigger debug failures when debug verbosity is turned up
- if (node.transformFlags & 1 /* ContainsTypeScript */) {
- // This node contains TypeScript, so we should visit its children.
- return ts.visitEachChild(node, visitor, context);
- }
- // Otherwise, we can just return the node
- return node;
- }
- switch (node.kind) {
- case 254 /* ImportDeclaration */:
- return visitImportDeclaration(node);
- case 253 /* ImportEqualsDeclaration */:
- return visitImportEqualsDeclaration(node);
- case 259 /* ExportAssignment */:
- return visitExportAssignment(node);
- case 260 /* ExportDeclaration */:
- return visitExportDeclaration(node);
- default:
- ts.Debug.fail("Unhandled ellided statement");
- }
- }
- /**
- * Specialized visitor that visits the immediate children of a namespace.
- *
- * @param node The node to visit.
- */
- function namespaceElementVisitor(node) {
- return saveStateAndInvoke(node, namespaceElementVisitorWorker);
- }
- /**
- * Specialized visitor that visits the immediate children of a namespace.
- *
- * @param node The node to visit.
- */
- function namespaceElementVisitorWorker(node) {
- if (node.kind === 260 /* ExportDeclaration */ ||
- node.kind === 254 /* ImportDeclaration */ ||
- node.kind === 255 /* ImportClause */ ||
- (node.kind === 253 /* ImportEqualsDeclaration */ &&
- node.moduleReference.kind === 265 /* ExternalModuleReference */)) {
- // do not emit ES6 imports and exports since they are illegal inside a namespace
- return undefined;
- }
- else if (node.transformFlags & 1 /* ContainsTypeScript */ || ts.hasModifier(node, 1 /* Export */)) {
- return visitTypeScript(node);
- }
- return node;
- }
- /**
- * Specialized visitor that visits the immediate children of a class with TypeScript syntax.
- *
- * @param node The node to visit.
- */
- function classElementVisitor(node) {
- return saveStateAndInvoke(node, classElementVisitorWorker);
- }
- /**
- * Specialized visitor that visits the immediate children of a class with TypeScript syntax.
- *
- * @param node The node to visit.
- */
- function classElementVisitorWorker(node) {
- switch (node.kind) {
- case 162 /* Constructor */:
- return visitConstructor(node);
- case 159 /* PropertyDeclaration */:
- // Property declarations are not TypeScript syntax, but they must be visited
- // for the decorator transformation.
- return visitPropertyDeclaration(node);
- case 167 /* IndexSignature */:
- case 163 /* GetAccessor */:
- case 164 /* SetAccessor */:
- case 161 /* MethodDeclaration */:
- // Fallback to the default visit behavior.
- return visitorWorker(node);
- case 222 /* SemicolonClassElement */:
- return node;
- default:
- return ts.Debug.failBadSyntaxKind(node);
- }
- }
- function modifierVisitor(node) {
- if (ts.modifierToFlag(node.kind) & 2270 /* TypeScriptModifier */) {
- return undefined;
- }
- else if (currentNamespace && node.kind === 89 /* ExportKeyword */) {
- return undefined;
- }
- return node;
- }
- /**
- * Branching visitor, visits a TypeScript syntax node.
- *
- * @param node The node to visit.
- */
- function visitTypeScript(node) {
- if (ts.isStatement(node) && ts.hasModifier(node, 2 /* Ambient */)) {
- // TypeScript ambient declarations are elided, but some comments may be preserved.
- // See the implementation of `getLeadingComments` in comments.ts for more details.
- return ts.createNotEmittedStatement(node);
- }
- switch (node.kind) {
- case 89 /* ExportKeyword */:
- case 84 /* DefaultKeyword */:
- // ES6 export and default modifiers are elided when inside a namespace.
- return currentNamespace ? undefined : node;
- case 119 /* PublicKeyword */:
- case 117 /* PrivateKeyword */:
- case 118 /* ProtectedKeyword */:
- case 122 /* AbstractKeyword */:
- case 81 /* ConstKeyword */:
- case 130 /* DeclareKeyword */:
- case 138 /* ReadonlyKeyword */:
- // TypeScript accessibility and readonly modifiers are elided
- // falls through
- case 174 /* ArrayType */:
- case 175 /* TupleType */:
- case 176 /* OptionalType */:
- case 177 /* RestType */:
- case 173 /* TypeLiteral */:
- case 168 /* TypePredicate */:
- case 155 /* TypeParameter */:
- case 125 /* AnyKeyword */:
- case 148 /* UnknownKeyword */:
- case 128 /* BooleanKeyword */:
- case 143 /* StringKeyword */:
- case 140 /* NumberKeyword */:
- case 137 /* NeverKeyword */:
- case 110 /* VoidKeyword */:
- case 144 /* SymbolKeyword */:
- case 171 /* ConstructorType */:
- case 170 /* FunctionType */:
- case 172 /* TypeQuery */:
- case 169 /* TypeReference */:
- case 178 /* UnionType */:
- case 179 /* IntersectionType */:
- case 180 /* ConditionalType */:
- case 182 /* ParenthesizedType */:
- case 183 /* ThisType */:
- case 184 /* TypeOperator */:
- case 185 /* IndexedAccessType */:
- case 186 /* MappedType */:
- case 187 /* LiteralType */:
- // TypeScript type nodes are elided.
- // falls through
- case 167 /* IndexSignature */:
- // TypeScript index signatures are elided.
- // falls through
- case 157 /* Decorator */:
- // TypeScript decorators are elided. They will be emitted as part of visitClassDeclaration.
- // falls through
- case 247 /* TypeAliasDeclaration */:
- // TypeScript type-only declarations are elided.
- return undefined;
- case 159 /* PropertyDeclaration */:
- // TypeScript property declarations are elided. However their names are still visited, and can potentially be retained if they could have sideeffects
- return visitPropertyDeclaration(node);
- case 252 /* NamespaceExportDeclaration */:
- // TypeScript namespace export declarations are elided.
- return undefined;
- case 162 /* Constructor */:
- return visitConstructor(node);
- case 246 /* InterfaceDeclaration */:
- // TypeScript interfaces are elided, but some comments may be preserved.
- // See the implementation of `getLeadingComments` in comments.ts for more details.
- return ts.createNotEmittedStatement(node);
- case 245 /* ClassDeclaration */:
- // This may be a class declaration with TypeScript syntax extensions.
- //
- // TypeScript class syntax extensions include:
- // - decorators
- // - optional `implements` heritage clause
- // - parameter property assignments in the constructor
- // - index signatures
- // - method overload signatures
- return visitClassDeclaration(node);
- case 214 /* ClassExpression */:
- // This may be a class expression with TypeScript syntax extensions.
- //
- // TypeScript class syntax extensions include:
- // - decorators
- // - optional `implements` heritage clause
- // - parameter property assignments in the constructor
- // - index signatures
- // - method overload signatures
- return visitClassExpression(node);
- case 279 /* HeritageClause */:
- // This may be a heritage clause with TypeScript syntax extensions.
- //
- // TypeScript heritage clause extensions include:
- // - `implements` clause
- return visitHeritageClause(node);
- case 216 /* ExpressionWithTypeArguments */:
- // TypeScript supports type arguments on an expression in an `extends` heritage clause.
- return visitExpressionWithTypeArguments(node);
- case 161 /* MethodDeclaration */:
- // TypeScript method declarations may have decorators, modifiers
- // or type annotations.
- return visitMethodDeclaration(node);
- case 163 /* GetAccessor */:
- // Get Accessors can have TypeScript modifiers, decorators, and type annotations.
- return visitGetAccessor(node);
- case 164 /* SetAccessor */:
- // Set Accessors can have TypeScript modifiers and type annotations.
- return visitSetAccessor(node);
- case 244 /* FunctionDeclaration */:
- // Typescript function declarations can have modifiers, decorators, and type annotations.
- return visitFunctionDeclaration(node);
- case 201 /* FunctionExpression */:
- // TypeScript function expressions can have modifiers and type annotations.
- return visitFunctionExpression(node);
- case 202 /* ArrowFunction */:
- // TypeScript arrow functions can have modifiers and type annotations.
- return visitArrowFunction(node);
- case 156 /* Parameter */:
- // This may be a parameter declaration with TypeScript syntax extensions.
- //
- // TypeScript parameter declaration syntax extensions include:
- // - decorators
- // - accessibility modifiers
- // - the question mark (?) token for optional parameters
- // - type annotations
- // - this parameters
- return visitParameter(node);
- case 200 /* ParenthesizedExpression */:
- // ParenthesizedExpressions are TypeScript if their expression is a
- // TypeAssertion or AsExpression
- return visitParenthesizedExpression(node);
- case 199 /* TypeAssertionExpression */:
- case 217 /* AsExpression */:
- // TypeScript type assertions are removed, but their subtrees are preserved.
- return visitAssertionExpression(node);
- case 196 /* CallExpression */:
- return visitCallExpression(node);
- case 197 /* NewExpression */:
- return visitNewExpression(node);
- case 198 /* TaggedTemplateExpression */:
- return visitTaggedTemplateExpression(node);
- case 218 /* NonNullExpression */:
- // TypeScript non-null expressions are removed, but their subtrees are preserved.
- return visitNonNullExpression(node);
- case 248 /* EnumDeclaration */:
- // TypeScript enum declarations do not exist in ES6 and must be rewritten.
- return visitEnumDeclaration(node);
- case 225 /* VariableStatement */:
- // TypeScript namespace exports for variable statements must be transformed.
- return visitVariableStatement(node);
- case 242 /* VariableDeclaration */:
- return visitVariableDeclaration(node);
- case 249 /* ModuleDeclaration */:
- // TypeScript namespace declarations must be transformed.
- return visitModuleDeclaration(node);
- case 253 /* ImportEqualsDeclaration */:
- // TypeScript namespace or external module import.
- return visitImportEqualsDeclaration(node);
- case 267 /* JsxSelfClosingElement */:
- return visitJsxSelfClosingElement(node);
- case 268 /* JsxOpeningElement */:
- return visitJsxJsxOpeningElement(node);
- default:
- // node contains some other TypeScript syntax
- return ts.visitEachChild(node, visitor, context);
- }
- }
- function visitSourceFile(node) {
- var alwaysStrict = ts.getStrictOptionValue(compilerOptions, "alwaysStrict") &&
- !(ts.isExternalModule(node) && moduleKind >= ts.ModuleKind.ES2015) &&
- !ts.isJsonSourceFile(node);
- return ts.updateSourceFileNode(node, ts.visitLexicalEnvironment(node.statements, sourceElementVisitor, context, /*start*/ 0, alwaysStrict));
- }
- /**
- * Tests whether we should emit a __decorate call for a class declaration.
- */
- function shouldEmitDecorateCallForClass(node) {
- if (node.decorators && node.decorators.length > 0) {
- return true;
- }
- var constructor = ts.getFirstConstructorWithBody(node);
- if (constructor) {
- return ts.forEach(constructor.parameters, shouldEmitDecorateCallForParameter);
- }
- return false;
- }
- /**
- * Tests whether we should emit a __decorate call for a parameter declaration.
- */
- function shouldEmitDecorateCallForParameter(parameter) {
- return parameter.decorators !== undefined && parameter.decorators.length > 0;
- }
- function getClassFacts(node, staticProperties) {
- var facts = 0 /* None */;
- if (ts.some(staticProperties))
- facts |= 1 /* HasStaticInitializedProperties */;
- var extendsClauseElement = ts.getEffectiveBaseTypeNode(node);
- if (extendsClauseElement && ts.skipOuterExpressions(extendsClauseElement.expression).kind !== 100 /* NullKeyword */)
- facts |= 64 /* IsDerivedClass */;
- if (shouldEmitDecorateCallForClass(node))
- facts |= 2 /* HasConstructorDecorators */;
- if (ts.childIsDecorated(node))
- facts |= 4 /* HasMemberDecorators */;
- if (isExportOfNamespace(node))
- facts |= 8 /* IsExportOfNamespace */;
- else if (isDefaultExternalModuleExport(node))
- facts |= 32 /* IsDefaultExternalExport */;
- else if (isNamedExternalModuleExport(node))
- facts |= 16 /* IsNamedExternalExport */;
- if (languageVersion <= 1 /* ES5 */ && (facts & 7 /* MayNeedImmediatelyInvokedFunctionExpression */))
- facts |= 128 /* UseImmediatelyInvokedFunctionExpression */;
- return facts;
- }
- function hasTypeScriptClassSyntax(node) {
- return !!(node.transformFlags & 2048 /* ContainsTypeScriptClassSyntax */);
- }
- function isClassLikeDeclarationWithTypeScriptSyntax(node) {
- return ts.some(node.decorators)
- || ts.some(node.typeParameters)
- || ts.some(node.heritageClauses, hasTypeScriptClassSyntax)
- || ts.some(node.members, hasTypeScriptClassSyntax);
- }
- function visitClassDeclaration(node) {
- if (!isClassLikeDeclarationWithTypeScriptSyntax(node) && !(currentNamespace && ts.hasModifier(node, 1 /* Export */))) {
- return ts.visitEachChild(node, visitor, context);
- }
- var staticProperties = ts.getProperties(node, /*requireInitializer*/ true, /*isStatic*/ true);
- var facts = getClassFacts(node, staticProperties);
- if (facts & 128 /* UseImmediatelyInvokedFunctionExpression */) {
- context.startLexicalEnvironment();
- }
- var name = node.name || (facts & 5 /* NeedsName */ ? ts.getGeneratedNameForNode(node) : undefined);
- var classStatement = facts & 2 /* HasConstructorDecorators */
- ? createClassDeclarationHeadWithDecorators(node, name)
- : createClassDeclarationHeadWithoutDecorators(node, name, facts);
- var statements = [classStatement];
- // Write any decorators of the node.
- addClassElementDecorationStatements(statements, node, /*isStatic*/ false);
- addClassElementDecorationStatements(statements, node, /*isStatic*/ true);
- addConstructorDecorationStatement(statements, node);
- if (facts & 128 /* UseImmediatelyInvokedFunctionExpression */) {
- // When we emit a TypeScript class down to ES5, we must wrap it in an IIFE so that the
- // 'es2015' transformer can properly nest static initializers and decorators. The result
- // looks something like:
- //
- // var C = function () {
- // class C {
- // }
- // C.static_prop = 1;
- // return C;
- // }();
- //
- var closingBraceLocation = ts.createTokenRange(ts.skipTrivia(currentSourceFile.text, node.members.end), 19 /* CloseBraceToken */);
- var localName = ts.getInternalName(node);
- // The following partially-emitted expression exists purely to align our sourcemap
- // emit with the original emitter.
- var outer = ts.createPartiallyEmittedExpression(localName);
- outer.end = closingBraceLocation.end;
- ts.setEmitFlags(outer, 1536 /* NoComments */);
- var statement = ts.createReturn(outer);
- statement.pos = closingBraceLocation.pos;
- ts.setEmitFlags(statement, 1536 /* NoComments */ | 384 /* NoTokenSourceMaps */);
- statements.push(statement);
- ts.insertStatementsAfterStandardPrologue(statements, context.endLexicalEnvironment());
- var iife = ts.createImmediatelyInvokedArrowFunction(statements);
- ts.setEmitFlags(iife, 33554432 /* TypeScriptClassWrapper */);
- var varStatement = ts.createVariableStatement(
- /*modifiers*/ undefined, ts.createVariableDeclarationList([
- ts.createVariableDeclaration(ts.getLocalName(node, /*allowComments*/ false, /*allowSourceMaps*/ false),
- /*type*/ undefined, iife)
- ]));
- ts.setOriginalNode(varStatement, node);
- ts.setCommentRange(varStatement, node);
- ts.setSourceMapRange(varStatement, ts.moveRangePastDecorators(node));
- ts.startOnNewLine(varStatement);
- statements = [varStatement];
- }
- // If the class is exported as part of a TypeScript namespace, emit the namespace export.
- // Otherwise, if the class was exported at the top level and was decorated, emit an export
- // declaration or export default for the class.
- if (facts & 8 /* IsExportOfNamespace */) {
- addExportMemberAssignment(statements, node);
- }
- else if (facts & 128 /* UseImmediatelyInvokedFunctionExpression */ || facts & 2 /* HasConstructorDecorators */) {
- if (facts & 32 /* IsDefaultExternalExport */) {
- statements.push(ts.createExportDefault(ts.getLocalName(node, /*allowComments*/ false, /*allowSourceMaps*/ true)));
- }
- else if (facts & 16 /* IsNamedExternalExport */) {
- statements.push(ts.createExternalModuleExport(ts.getLocalName(node, /*allowComments*/ false, /*allowSourceMaps*/ true)));
- }
- }
- if (statements.length > 1) {
- // Add a DeclarationMarker as a marker for the end of the declaration
- statements.push(ts.createEndOfDeclarationMarker(node));
- ts.setEmitFlags(classStatement, ts.getEmitFlags(classStatement) | 4194304 /* HasEndOfDeclarationMarker */);
- }
- return ts.singleOrMany(statements);
- }
- /**
- * Transforms a non-decorated class declaration and appends the resulting statements.
- *
- * @param node A ClassDeclaration node.
- * @param name The name of the class.
- * @param facts Precomputed facts about the class.
- */
- function createClassDeclarationHeadWithoutDecorators(node, name, facts) {
- // ${modifiers} class ${name} ${heritageClauses} {
- // ${members}
- // }
- // we do not emit modifiers on the declaration if we are emitting an IIFE
- var modifiers = !(facts & 128 /* UseImmediatelyInvokedFunctionExpression */)
- ? ts.visitNodes(node.modifiers, modifierVisitor, ts.isModifier)
- : undefined;
- var classDeclaration = ts.createClassDeclaration(
- /*decorators*/ undefined, modifiers, name,
- /*typeParameters*/ undefined, ts.visitNodes(node.heritageClauses, visitor, ts.isHeritageClause), transformClassMembers(node));
- // To better align with the old emitter, we should not emit a trailing source map
- // entry if the class has static properties.
- var emitFlags = ts.getEmitFlags(node);
- if (facts & 1 /* HasStaticInitializedProperties */) {
- emitFlags |= 32 /* NoTrailingSourceMap */;
- }
- ts.aggregateTransformFlags(classDeclaration);
- ts.setTextRange(classDeclaration, node);
- ts.setOriginalNode(classDeclaration, node);
- ts.setEmitFlags(classDeclaration, emitFlags);
- return classDeclaration;
- }
- /**
- * Transforms a decorated class declaration and appends the resulting statements. If
- * the class requires an alias to avoid issues with double-binding, the alias is returned.
- */
- function createClassDeclarationHeadWithDecorators(node, name) {
- // When we emit an ES6 class that has a class decorator, we must tailor the
- // emit to certain specific cases.
- //
- // In the simplest case, we emit the class declaration as a let declaration, and
- // evaluate decorators after the close of the class body:
- //
- // [Example 1]
- // ---------------------------------------------------------------------
- // TypeScript | Javascript
- // ---------------------------------------------------------------------
- // @dec | let C = class C {
- // class C { | }
- // } | C = __decorate([dec], C);
- // ---------------------------------------------------------------------
- // @dec | let C = class C {
- // export class C { | }
- // } | C = __decorate([dec], C);
- // | export { C };
- // ---------------------------------------------------------------------
- //
- // If a class declaration contains a reference to itself *inside* of the class body,
- // this introduces two bindings to the class: One outside of the class body, and one
- // inside of the class body. If we apply decorators as in [Example 1] above, there
- // is the possibility that the decorator `dec` will return a new value for the
- // constructor, which would result in the binding inside of the class no longer
- // pointing to the same reference as the binding outside of the class.
- //
- // As a result, we must instead rewrite all references to the class *inside* of the
- // class body to instead point to a local temporary alias for the class:
- //
- // [Example 2]
- // ---------------------------------------------------------------------
- // TypeScript | Javascript
- // ---------------------------------------------------------------------
- // @dec | let C = C_1 = class C {
- // class C { | static x() { return C_1.y; }
- // static x() { return C.y; } | }
- // static y = 1; | C.y = 1;
- // } | C = C_1 = __decorate([dec], C);
- // | var C_1;
- // ---------------------------------------------------------------------
- // @dec | let C = class C {
- // export class C { | static x() { return C_1.y; }
- // static x() { return C.y; } | }
- // static y = 1; | C.y = 1;
- // } | C = C_1 = __decorate([dec], C);
- // | export { C };
- // | var C_1;
- // ---------------------------------------------------------------------
- //
- // If a class declaration is the default export of a module, we instead emit
- // the export after the decorated declaration:
- //
- // [Example 3]
- // ---------------------------------------------------------------------
- // TypeScript | Javascript
- // ---------------------------------------------------------------------
- // @dec | let default_1 = class {
- // export default class { | }
- // } | default_1 = __decorate([dec], default_1);
- // | export default default_1;
- // ---------------------------------------------------------------------
- // @dec | let C = class C {
- // export default class C { | }
- // } | C = __decorate([dec], C);
- // | export default C;
- // ---------------------------------------------------------------------
- //
- // If the class declaration is the default export and a reference to itself
- // inside of the class body, we must emit both an alias for the class *and*
- // move the export after the declaration:
- //
- // [Example 4]
- // ---------------------------------------------------------------------
- // TypeScript | Javascript
- // ---------------------------------------------------------------------
- // @dec | let C = class C {
- // export default class C { | static x() { return C_1.y; }
- // static x() { return C.y; } | }
- // static y = 1; | C.y = 1;
- // } | C = C_1 = __decorate([dec], C);
- // | export default C;
- // | var C_1;
- // ---------------------------------------------------------------------
- //
- var location = ts.moveRangePastDecorators(node);
- var classAlias = getClassAliasIfNeeded(node);
- var declName = ts.getLocalName(node, /*allowComments*/ false, /*allowSourceMaps*/ true);
- // ... = class ${name} ${heritageClauses} {
- // ${members}
- // }
- var heritageClauses = ts.visitNodes(node.heritageClauses, visitor, ts.isHeritageClause);
- var members = transformClassMembers(node);
- var classExpression = ts.createClassExpression(/*modifiers*/ undefined, name, /*typeParameters*/ undefined, heritageClauses, members);
- ts.aggregateTransformFlags(classExpression);
- ts.setOriginalNode(classExpression, node);
- ts.setTextRange(classExpression, location);
- // let ${name} = ${classExpression} where name is either declaredName if the class doesn't contain self-reference
- // or decoratedClassAlias if the class contain self-reference.
- var statement = ts.createVariableStatement(
- /*modifiers*/ undefined, ts.createVariableDeclarationList([
- ts.createVariableDeclaration(declName,
- /*type*/ undefined, classAlias ? ts.createAssignment(classAlias, classExpression) : classExpression)
- ], 1 /* Let */));
- ts.setOriginalNode(statement, node);
- ts.setTextRange(statement, location);
- ts.setCommentRange(statement, node);
- return statement;
- }
- function visitClassExpression(node) {
- if (!isClassLikeDeclarationWithTypeScriptSyntax(node)) {
- return ts.visitEachChild(node, visitor, context);
- }
- var classExpression = ts.createClassExpression(
- /*modifiers*/ undefined, node.name,
- /*typeParameters*/ undefined, ts.visitNodes(node.heritageClauses, visitor, ts.isHeritageClause), transformClassMembers(node));
- ts.aggregateTransformFlags(classExpression);
- ts.setOriginalNode(classExpression, node);
- ts.setTextRange(classExpression, node);
- return classExpression;
- }
- /**
- * Transforms the members of a class.
- *
- * @param node The current class.
- */
- function transformClassMembers(node) {
- var members = [];
- var constructor = ts.getFirstConstructorWithBody(node);
- var parametersWithPropertyAssignments = constructor &&
- ts.filter(constructor.parameters, function (p) { return ts.isParameterPropertyDeclaration(p, constructor); });
- if (parametersWithPropertyAssignments) {
- for (var _i = 0, parametersWithPropertyAssignments_1 = parametersWithPropertyAssignments; _i < parametersWithPropertyAssignments_1.length; _i++) {
- var parameter = parametersWithPropertyAssignments_1[_i];
- if (ts.isIdentifier(parameter.name)) {
- members.push(ts.setOriginalNode(ts.aggregateTransformFlags(ts.createProperty(
- /*decorators*/ undefined,
- /*modifiers*/ undefined, parameter.name,
- /*questionOrExclamationToken*/ undefined,
- /*type*/ undefined,
- /*initializer*/ undefined)), parameter));
- }
- }
- }
- ts.addRange(members, ts.visitNodes(node.members, classElementVisitor, ts.isClassElement));
- return ts.setTextRange(ts.createNodeArray(members), /*location*/ node.members);
- }
- /**
- * Gets either the static or instance members of a class that are decorated, or have
- * parameters that are decorated.
- *
- * @param node The class containing the member.
- * @param isStatic A value indicating whether to retrieve static or instance members of
- * the class.
- */
- function getDecoratedClassElements(node, isStatic) {
- return ts.filter(node.members, isStatic ? function (m) { return isStaticDecoratedClassElement(m, node); } : function (m) { return isInstanceDecoratedClassElement(m, node); });
- }
- /**
- * Determines whether a class member is a static member of a class that is decorated, or
- * has parameters that are decorated.
- *
- * @param member The class member.
- */
- function isStaticDecoratedClassElement(member, parent) {
- return isDecoratedClassElement(member, /*isStatic*/ true, parent);
- }
- /**
- * Determines whether a class member is an instance member of a class that is decorated,
- * or has parameters that are decorated.
- *
- * @param member The class member.
- */
- function isInstanceDecoratedClassElement(member, parent) {
- return isDecoratedClassElement(member, /*isStatic*/ false, parent);
- }
- /**
- * Determines whether a class member is either a static or an instance member of a class
- * that is decorated, or has parameters that are decorated.
- *
- * @param member The class member.
- */
- function isDecoratedClassElement(member, isStatic, parent) {
- return ts.nodeOrChildIsDecorated(member, parent)
- && isStatic === ts.hasModifier(member, 32 /* Static */);
- }
- /**
- * Gets an array of arrays of decorators for the parameters of a function-like node.
- * The offset into the result array should correspond to the offset of the parameter.
- *
- * @param node The function-like node.
- */
- function getDecoratorsOfParameters(node) {
- var decorators;
- if (node) {
- var parameters = node.parameters;
- var firstParameterIsThis = parameters.length > 0 && ts.parameterIsThisKeyword(parameters[0]);
- var firstParameterOffset = firstParameterIsThis ? 1 : 0;
- var numParameters = firstParameterIsThis ? parameters.length - 1 : parameters.length;
- for (var i = 0; i < numParameters; i++) {
- var parameter = parameters[i + firstParameterOffset];
- if (decorators || parameter.decorators) {
- if (!decorators) {
- decorators = new Array(numParameters);
- }
- decorators[i] = parameter.decorators;
- }
- }
- }
- return decorators;
- }
- /**
- * Gets an AllDecorators object containing the decorators for the class and the decorators for the
- * parameters of the constructor of the class.
- *
- * @param node The class node.
- */
- function getAllDecoratorsOfConstructor(node) {
- var decorators = node.decorators;
- var parameters = getDecoratorsOfParameters(ts.getFirstConstructorWithBody(node));
- if (!decorators && !parameters) {
- return undefined;
- }
- return {
- decorators: decorators,
- parameters: parameters
- };
- }
- /**
- * Gets an AllDecorators object containing the decorators for the member and its parameters.
- *
- * @param node The class node that contains the member.
- * @param member The class member.
- */
- function getAllDecoratorsOfClassElement(node, member) {
- switch (member.kind) {
- case 163 /* GetAccessor */:
- case 164 /* SetAccessor */:
- return getAllDecoratorsOfAccessors(node, member);
- case 161 /* MethodDeclaration */:
- return getAllDecoratorsOfMethod(member);
- case 159 /* PropertyDeclaration */:
- return getAllDecoratorsOfProperty(member);
- default:
- return undefined;
- }
- }
- /**
- * Gets an AllDecorators object containing the decorators for the accessor and its parameters.
- *
- * @param node The class node that contains the accessor.
- * @param accessor The class accessor member.
- */
- function getAllDecoratorsOfAccessors(node, accessor) {
- if (!accessor.body) {
- return undefined;
- }
- var _a = ts.getAllAccessorDeclarations(node.members, accessor), firstAccessor = _a.firstAccessor, secondAccessor = _a.secondAccessor, setAccessor = _a.setAccessor;
- var firstAccessorWithDecorators = firstAccessor.decorators ? firstAccessor : secondAccessor && secondAccessor.decorators ? secondAccessor : undefined;
- if (!firstAccessorWithDecorators || accessor !== firstAccessorWithDecorators) {
- return undefined;
- }
- var decorators = firstAccessorWithDecorators.decorators;
- var parameters = getDecoratorsOfParameters(setAccessor);
- if (!decorators && !parameters) {
- return undefined;
- }
- return { decorators: decorators, parameters: parameters };
- }
- /**
- * Gets an AllDecorators object containing the decorators for the method and its parameters.
- *
- * @param method The class method member.
- */
- function getAllDecoratorsOfMethod(method) {
- if (!method.body) {
- return undefined;
- }
- var decorators = method.decorators;
- var parameters = getDecoratorsOfParameters(method);
- if (!decorators && !parameters) {
- return undefined;
- }
- return { decorators: decorators, parameters: parameters };
- }
- /**
- * Gets an AllDecorators object containing the decorators for the property.
- *
- * @param property The class property member.
- */
- function getAllDecoratorsOfProperty(property) {
- var decorators = property.decorators;
- if (!decorators) {
- return undefined;
- }
- return { decorators: decorators };
- }
- /**
- * Transforms all of the decorators for a declaration into an array of expressions.
- *
- * @param node The declaration node.
- * @param allDecorators An object containing all of the decorators for the declaration.
- */
- function transformAllDecoratorsOfDeclaration(node, container, allDecorators) {
- if (!allDecorators) {
- return undefined;
- }
- var decoratorExpressions = [];
- ts.addRange(decoratorExpressions, ts.map(allDecorators.decorators, transformDecorator));
- ts.addRange(decoratorExpressions, ts.flatMap(allDecorators.parameters, transformDecoratorsOfParameter));
- addTypeMetadata(node, container, decoratorExpressions);
- return decoratorExpressions;
- }
- /**
- * Generates statements used to apply decorators to either the static or instance members
- * of a class.
- *
- * @param node The class node.
- * @param isStatic A value indicating whether to generate statements for static or
- * instance members.
- */
- function addClassElementDecorationStatements(statements, node, isStatic) {
- ts.addRange(statements, ts.map(generateClassElementDecorationExpressions(node, isStatic), expressionToStatement));
- }
- /**
- * Generates expressions used to apply decorators to either the static or instance members
- * of a class.
- *
- * @param node The class node.
- * @param isStatic A value indicating whether to generate expressions for static or
- * instance members.
- */
- function generateClassElementDecorationExpressions(node, isStatic) {
- var members = getDecoratedClassElements(node, isStatic);
- var expressions;
- for (var _i = 0, members_6 = members; _i < members_6.length; _i++) {
- var member = members_6[_i];
- var expression = generateClassElementDecorationExpression(node, member);
- if (expression) {
- if (!expressions) {
- expressions = [expression];
- }
- else {
- expressions.push(expression);
- }
- }
- }
- return expressions;
- }
- /**
- * Generates an expression used to evaluate class element decorators at runtime.
- *
- * @param node The class node that contains the member.
- * @param member The class member.
- */
- function generateClassElementDecorationExpression(node, member) {
- var allDecorators = getAllDecoratorsOfClassElement(node, member);
- var decoratorExpressions = transformAllDecoratorsOfDeclaration(member, node, allDecorators);
- if (!decoratorExpressions) {
- return undefined;
- }
- // Emit the call to __decorate. Given the following:
- //
- // class C {
- // @dec method(@dec2 x) {}
- // @dec get accessor() {}
- // @dec prop;
- // }
- //
- // The emit for a method is:
- //
- // __decorate([
- // dec,
- // __param(0, dec2),
- // __metadata("design:type", Function),
- // __metadata("design:paramtypes", [Object]),
- // __metadata("design:returntype", void 0)
- // ], C.prototype, "method", null);
- //
- // The emit for an accessor is:
- //
- // __decorate([
- // dec
- // ], C.prototype, "accessor", null);
- //
- // The emit for a property is:
- //
- // __decorate([
- // dec
- // ], C.prototype, "prop");
- //
- var prefix = getClassMemberPrefix(node, member);
- var memberName = getExpressionForPropertyName(member, /*generateNameForComputedPropertyName*/ true);
- var descriptor = languageVersion > 0 /* ES3 */
- ? member.kind === 159 /* PropertyDeclaration */
- // We emit `void 0` here to indicate to `__decorate` that it can invoke `Object.defineProperty` directly, but that it
- // should not invoke `Object.getOwnPropertyDescriptor`.
- ? ts.createVoidZero()
- // We emit `null` here to indicate to `__decorate` that it can invoke `Object.getOwnPropertyDescriptor` directly.
- // We have this extra argument here so that we can inject an explicit property descriptor at a later date.
- : ts.createNull()
- : undefined;
- var helper = createDecorateHelper(context, decoratorExpressions, prefix, memberName, descriptor, ts.moveRangePastDecorators(member));
- ts.setEmitFlags(helper, 1536 /* NoComments */);
- return helper;
- }
- /**
- * Generates a __decorate helper call for a class constructor.
- *
- * @param node The class node.
- */
- function addConstructorDecorationStatement(statements, node) {
- var expression = generateConstructorDecorationExpression(node);
- if (expression) {
- statements.push(ts.setOriginalNode(ts.createExpressionStatement(expression), node));
- }
- }
- /**
- * Generates a __decorate helper call for a class constructor.
- *
- * @param node The class node.
- */
- function generateConstructorDecorationExpression(node) {
- var allDecorators = getAllDecoratorsOfConstructor(node);
- var decoratorExpressions = transformAllDecoratorsOfDeclaration(node, node, allDecorators);
- if (!decoratorExpressions) {
- return undefined;
- }
- var classAlias = classAliases && classAliases[ts.getOriginalNodeId(node)];
- var localName = ts.getLocalName(node, /*allowComments*/ false, /*allowSourceMaps*/ true);
- var decorate = createDecorateHelper(context, decoratorExpressions, localName);
- var expression = ts.createAssignment(localName, classAlias ? ts.createAssignment(classAlias, decorate) : decorate);
- ts.setEmitFlags(expression, 1536 /* NoComments */);
- ts.setSourceMapRange(expression, ts.moveRangePastDecorators(node));
- return expression;
- }
- /**
- * Transforms a decorator into an expression.
- *
- * @param decorator The decorator node.
- */
- function transformDecorator(decorator) {
- return ts.visitNode(decorator.expression, visitor, ts.isExpression);
- }
- /**
- * Transforms the decorators of a parameter.
- *
- * @param decorators The decorators for the parameter at the provided offset.
- * @param parameterOffset The offset of the parameter.
- */
- function transformDecoratorsOfParameter(decorators, parameterOffset) {
- var expressions;
- if (decorators) {
- expressions = [];
- for (var _i = 0, decorators_1 = decorators; _i < decorators_1.length; _i++) {
- var decorator = decorators_1[_i];
- var helper = createParamHelper(context, transformDecorator(decorator), parameterOffset,
- /*location*/ decorator.expression);
- ts.setEmitFlags(helper, 1536 /* NoComments */);
- expressions.push(helper);
- }
- }
- return expressions;
- }
- /**
- * Adds optional type metadata for a declaration.
- *
- * @param node The declaration node.
- * @param decoratorExpressions The destination array to which to add new decorator expressions.
- */
- function addTypeMetadata(node, container, decoratorExpressions) {
- if (USE_NEW_TYPE_METADATA_FORMAT) {
- addNewTypeMetadata(node, container, decoratorExpressions);
- }
- else {
- addOldTypeMetadata(node, container, decoratorExpressions);
- }
- }
- function addOldTypeMetadata(node, container, decoratorExpressions) {
- if (compilerOptions.emitDecoratorMetadata) {
- if (shouldAddTypeMetadata(node)) {
- decoratorExpressions.push(createMetadataHelper(context, "design:type", serializeTypeOfNode(node)));
- }
- if (shouldAddParamTypesMetadata(node)) {
- decoratorExpressions.push(createMetadataHelper(context, "design:paramtypes", serializeParameterTypesOfNode(node, container)));
- }
- if (shouldAddReturnTypeMetadata(node)) {
- decoratorExpressions.push(createMetadataHelper(context, "design:returntype", serializeReturnTypeOfNode(node)));
- }
- }
- }
- function addNewTypeMetadata(node, container, decoratorExpressions) {
- if (compilerOptions.emitDecoratorMetadata) {
- var properties = void 0;
- if (shouldAddTypeMetadata(node)) {
- (properties || (properties = [])).push(ts.createPropertyAssignment("type", ts.createArrowFunction(/*modifiers*/ undefined, /*typeParameters*/ undefined, [], /*type*/ undefined, ts.createToken(38 /* EqualsGreaterThanToken */), serializeTypeOfNode(node))));
- }
- if (shouldAddParamTypesMetadata(node)) {
- (properties || (properties = [])).push(ts.createPropertyAssignment("paramTypes", ts.createArrowFunction(/*modifiers*/ undefined, /*typeParameters*/ undefined, [], /*type*/ undefined, ts.createToken(38 /* EqualsGreaterThanToken */), serializeParameterTypesOfNode(node, container))));
- }
- if (shouldAddReturnTypeMetadata(node)) {
- (properties || (properties = [])).push(ts.createPropertyAssignment("returnType", ts.createArrowFunction(/*modifiers*/ undefined, /*typeParameters*/ undefined, [], /*type*/ undefined, ts.createToken(38 /* EqualsGreaterThanToken */), serializeReturnTypeOfNode(node))));
- }
- if (properties) {
- decoratorExpressions.push(createMetadataHelper(context, "design:typeinfo", ts.createObjectLiteral(properties, /*multiLine*/ true)));
- }
- }
- }
- /**
- * Determines whether to emit the "design:type" metadata based on the node's kind.
- * The caller should have already tested whether the node has decorators and whether the
- * emitDecoratorMetadata compiler option is set.
- *
- * @param node The node to test.
- */
- function shouldAddTypeMetadata(node) {
- var kind = node.kind;
- return kind === 161 /* MethodDeclaration */
- || kind === 163 /* GetAccessor */
- || kind === 164 /* SetAccessor */
- || kind === 159 /* PropertyDeclaration */;
- }
- /**
- * Determines whether to emit the "design:returntype" metadata based on the node's kind.
- * The caller should have already tested whether the node has decorators and whether the
- * emitDecoratorMetadata compiler option is set.
- *
- * @param node The node to test.
- */
- function shouldAddReturnTypeMetadata(node) {
- return node.kind === 161 /* MethodDeclaration */;
- }
- /**
- * Determines whether to emit the "design:paramtypes" metadata based on the node's kind.
- * The caller should have already tested whether the node has decorators and whether the
- * emitDecoratorMetadata compiler option is set.
- *
- * @param node The node to test.
- */
- function shouldAddParamTypesMetadata(node) {
- switch (node.kind) {
- case 245 /* ClassDeclaration */:
- case 214 /* ClassExpression */:
- return ts.getFirstConstructorWithBody(node) !== undefined;
- case 161 /* MethodDeclaration */:
- case 163 /* GetAccessor */:
- case 164 /* SetAccessor */:
- return true;
- }
- return false;
- }
- function getAccessorTypeNode(node) {
- var accessors = resolver.getAllAccessorDeclarations(node);
- return accessors.setAccessor && ts.getSetAccessorTypeAnnotationNode(accessors.setAccessor)
- || accessors.getAccessor && ts.getEffectiveReturnTypeNode(accessors.getAccessor);
- }
- /**
- * Serializes the type of a node for use with decorator type metadata.
- *
- * @param node The node that should have its type serialized.
- */
- function serializeTypeOfNode(node) {
- switch (node.kind) {
- case 159 /* PropertyDeclaration */:
- case 156 /* Parameter */:
- return serializeTypeNode(node.type);
- case 164 /* SetAccessor */:
- case 163 /* GetAccessor */:
- return serializeTypeNode(getAccessorTypeNode(node));
- case 245 /* ClassDeclaration */:
- case 214 /* ClassExpression */:
- case 161 /* MethodDeclaration */:
- return ts.createIdentifier("Function");
- default:
- return ts.createVoidZero();
- }
- }
- /**
- * Serializes the types of the parameters of a node for use with decorator type metadata.
- *
- * @param node The node that should have its parameter types serialized.
- */
- function serializeParameterTypesOfNode(node, container) {
- var valueDeclaration = ts.isClassLike(node)
- ? ts.getFirstConstructorWithBody(node)
- : ts.isFunctionLike(node) && ts.nodeIsPresent(node.body)
- ? node
- : undefined;
- var expressions = [];
- if (valueDeclaration) {
- var parameters = getParametersOfDecoratedDeclaration(valueDeclaration, container);
- var numParameters = parameters.length;
- for (var i = 0; i < numParameters; i++) {
- var parameter = parameters[i];
- if (i === 0 && ts.isIdentifier(parameter.name) && parameter.name.escapedText === "this") {
- continue;
- }
- if (parameter.dotDotDotToken) {
- expressions.push(serializeTypeNode(ts.getRestParameterElementType(parameter.type)));
- }
- else {
- expressions.push(serializeTypeOfNode(parameter));
- }
- }
- }
- return ts.createArrayLiteral(expressions);
- }
- function getParametersOfDecoratedDeclaration(node, container) {
- if (container && node.kind === 163 /* GetAccessor */) {
- var setAccessor = ts.getAllAccessorDeclarations(container.members, node).setAccessor;
- if (setAccessor) {
- return setAccessor.parameters;
- }
- }
- return node.parameters;
- }
- /**
- * Serializes the return type of a node for use with decorator type metadata.
- *
- * @param node The node that should have its return type serialized.
- */
- function serializeReturnTypeOfNode(node) {
- if (ts.isFunctionLike(node) && node.type) {
- return serializeTypeNode(node.type);
- }
- else if (ts.isAsyncFunction(node)) {
- return ts.createIdentifier("Promise");
- }
- return ts.createVoidZero();
- }
- /**
- * Serializes a type node for use with decorator type metadata.
- *
- * Types are serialized in the following fashion:
- * - Void types point to "undefined" (e.g. "void 0")
- * - Function and Constructor types point to the global "Function" constructor.
- * - Interface types with a call or construct signature types point to the global
- * "Function" constructor.
- * - Array and Tuple types point to the global "Array" constructor.
- * - Type predicates and booleans point to the global "Boolean" constructor.
- * - String literal types and strings point to the global "String" constructor.
- * - Enum and number types point to the global "Number" constructor.
- * - Symbol types point to the global "Symbol" constructor.
- * - Type references to classes (or class-like variables) point to the constructor for the class.
- * - Anything else points to the global "Object" constructor.
- *
- * @param node The type node to serialize.
- */
- function serializeTypeNode(node) {
- if (node === undefined) {
- return ts.createIdentifier("Object");
- }
- switch (node.kind) {
- case 110 /* VoidKeyword */:
- case 146 /* UndefinedKeyword */:
- case 100 /* NullKeyword */:
- case 137 /* NeverKeyword */:
- return ts.createVoidZero();
- case 182 /* ParenthesizedType */:
- return serializeTypeNode(node.type);
- case 170 /* FunctionType */:
- case 171 /* ConstructorType */:
- return ts.createIdentifier("Function");
- case 174 /* ArrayType */:
- case 175 /* TupleType */:
- return ts.createIdentifier("Array");
- case 168 /* TypePredicate */:
- case 128 /* BooleanKeyword */:
- return ts.createIdentifier("Boolean");
- case 143 /* StringKeyword */:
- return ts.createIdentifier("String");
- case 141 /* ObjectKeyword */:
- return ts.createIdentifier("Object");
- case 187 /* LiteralType */:
- switch (node.literal.kind) {
- case 10 /* StringLiteral */:
- return ts.createIdentifier("String");
- case 207 /* PrefixUnaryExpression */:
- case 8 /* NumericLiteral */:
- return ts.createIdentifier("Number");
- case 9 /* BigIntLiteral */:
- return getGlobalBigIntNameWithFallback();
- case 106 /* TrueKeyword */:
- case 91 /* FalseKeyword */:
- return ts.createIdentifier("Boolean");
- default:
- return ts.Debug.failBadSyntaxKind(node.literal);
- }
- case 140 /* NumberKeyword */:
- return ts.createIdentifier("Number");
- case 151 /* BigIntKeyword */:
- return getGlobalBigIntNameWithFallback();
- case 144 /* SymbolKeyword */:
- return languageVersion < 2 /* ES2015 */
- ? getGlobalSymbolNameWithFallback()
- : ts.createIdentifier("Symbol");
- case 169 /* TypeReference */:
- return serializeTypeReferenceNode(node);
- case 179 /* IntersectionType */:
- case 178 /* UnionType */:
- return serializeTypeList(node.types);
- case 180 /* ConditionalType */:
- return serializeTypeList([node.trueType, node.falseType]);
- case 184 /* TypeOperator */:
- if (node.operator === 138 /* ReadonlyKeyword */) {
- return serializeTypeNode(node.type);
- }
- break;
- case 172 /* TypeQuery */:
- case 185 /* IndexedAccessType */:
- case 186 /* MappedType */:
- case 173 /* TypeLiteral */:
- case 125 /* AnyKeyword */:
- case 148 /* UnknownKeyword */:
- case 183 /* ThisType */:
- case 188 /* ImportType */:
- break;
- // handle JSDoc types from an invalid parse
- case 295 /* JSDocAllType */:
- case 296 /* JSDocUnknownType */:
- case 300 /* JSDocFunctionType */:
- case 301 /* JSDocVariadicType */:
- case 302 /* JSDocNamepathType */:
- break;
- case 297 /* JSDocNullableType */:
- case 298 /* JSDocNonNullableType */:
- case 299 /* JSDocOptionalType */:
- return serializeTypeNode(node.type);
- default:
- return ts.Debug.failBadSyntaxKind(node);
- }
- return ts.createIdentifier("Object");
- }
- function serializeTypeList(types) {
- // Note when updating logic here also update getEntityNameForDecoratorMetadata
- // so that aliases can be marked as referenced
- var serializedUnion;
- for (var _i = 0, types_21 = types; _i < types_21.length; _i++) {
- var typeNode = types_21[_i];
- while (typeNode.kind === 182 /* ParenthesizedType */) {
- typeNode = typeNode.type; // Skip parens if need be
- }
- if (typeNode.kind === 137 /* NeverKeyword */) {
- continue; // Always elide `never` from the union/intersection if possible
- }
- if (!strictNullChecks && (typeNode.kind === 100 /* NullKeyword */ || typeNode.kind === 146 /* UndefinedKeyword */)) {
- continue; // Elide null and undefined from unions for metadata, just like what we did prior to the implementation of strict null checks
- }
- var serializedIndividual = serializeTypeNode(typeNode);
- if (ts.isIdentifier(serializedIndividual) && serializedIndividual.escapedText === "Object") {
- // One of the individual is global object, return immediately
- return serializedIndividual;
- }
- // If there exists union that is not void 0 expression, check if the the common type is identifier.
- // anything more complex and we will just default to Object
- else if (serializedUnion) {
- // Different types
- if (!ts.isIdentifier(serializedUnion) ||
- !ts.isIdentifier(serializedIndividual) ||
- serializedUnion.escapedText !== serializedIndividual.escapedText) {
- return ts.createIdentifier("Object");
- }
- }
- else {
- // Initialize the union type
- serializedUnion = serializedIndividual;
- }
- }
- // If we were able to find common type, use it
- return serializedUnion || ts.createVoidZero(); // Fallback is only hit if all union constituients are null/undefined/never
- }
- /**
- * Serializes a TypeReferenceNode to an appropriate JS constructor value for use with
- * decorator type metadata.
- *
- * @param node The type reference node.
- */
- function serializeTypeReferenceNode(node) {
- var kind = resolver.getTypeReferenceSerializationKind(node.typeName, currentNameScope || currentLexicalScope);
- switch (kind) {
- case ts.TypeReferenceSerializationKind.Unknown:
- // From conditional type type reference that cannot be resolved is Similar to any or unknown
- if (ts.findAncestor(node, function (n) { return n.parent && ts.isConditionalTypeNode(n.parent) && (n.parent.trueType === n || n.parent.falseType === n); })) {
- return ts.createIdentifier("Object");
- }
- var serialized = serializeEntityNameAsExpressionFallback(node.typeName);
- var temp = ts.createTempVariable(hoistVariableDeclaration);
- return ts.createConditional(ts.createTypeCheck(ts.createAssignment(temp, serialized), "function"), temp, ts.createIdentifier("Object"));
- case ts.TypeReferenceSerializationKind.TypeWithConstructSignatureAndValue:
- return serializeEntityNameAsExpression(node.typeName);
- case ts.TypeReferenceSerializationKind.VoidNullableOrNeverType:
- return ts.createVoidZero();
- case ts.TypeReferenceSerializationKind.BigIntLikeType:
- return getGlobalBigIntNameWithFallback();
- case ts.TypeReferenceSerializationKind.BooleanType:
- return ts.createIdentifier("Boolean");
- case ts.TypeReferenceSerializationKind.NumberLikeType:
- return ts.createIdentifier("Number");
- case ts.TypeReferenceSerializationKind.StringLikeType:
- return ts.createIdentifier("String");
- case ts.TypeReferenceSerializationKind.ArrayLikeType:
- return ts.createIdentifier("Array");
- case ts.TypeReferenceSerializationKind.ESSymbolType:
- return languageVersion < 2 /* ES2015 */
- ? getGlobalSymbolNameWithFallback()
- : ts.createIdentifier("Symbol");
- case ts.TypeReferenceSerializationKind.TypeWithCallSignature:
- return ts.createIdentifier("Function");
- case ts.TypeReferenceSerializationKind.Promise:
- return ts.createIdentifier("Promise");
- case ts.TypeReferenceSerializationKind.ObjectType:
- return ts.createIdentifier("Object");
- default:
- return ts.Debug.assertNever(kind);
- }
- }
- function createCheckedValue(left, right) {
- return ts.createLogicalAnd(ts.createStrictInequality(ts.createTypeOf(left), ts.createLiteral("undefined")), right);
- }
- /**
- * Serializes an entity name which may not exist at runtime, but whose access shouldn't throw
- *
- * @param node The entity name to serialize.
- */
- function serializeEntityNameAsExpressionFallback(node) {
- if (node.kind === 75 /* Identifier */) {
- // A -> typeof A !== undefined && A
- var copied = serializeEntityNameAsExpression(node);
- return createCheckedValue(copied, copied);
- }
- if (node.left.kind === 75 /* Identifier */) {
- // A.B -> typeof A !== undefined && A.B
- return createCheckedValue(serializeEntityNameAsExpression(node.left), serializeEntityNameAsExpression(node));
- }
- // A.B.C -> typeof A !== undefined && (_a = A.B) !== void 0 && _a.C
- var left = serializeEntityNameAsExpressionFallback(node.left);
- var temp = ts.createTempVariable(hoistVariableDeclaration);
- return ts.createLogicalAnd(ts.createLogicalAnd(left.left, ts.createStrictInequality(ts.createAssignment(temp, left.right), ts.createVoidZero())), ts.createPropertyAccess(temp, node.right));
- }
- /**
- * Serializes an entity name as an expression for decorator type metadata.
- *
- * @param node The entity name to serialize.
- */
- function serializeEntityNameAsExpression(node) {
- switch (node.kind) {
- case 75 /* Identifier */:
- // Create a clone of the name with a new parent, and treat it as if it were
- // a source tree node for the purposes of the checker.
- var name = ts.getMutableClone(node);
- name.flags &= ~8 /* Synthesized */;
- name.original = undefined;
- name.parent = ts.getParseTreeNode(currentLexicalScope); // ensure the parent is set to a parse tree node.
- return name;
- case 153 /* QualifiedName */:
- return serializeQualifiedNameAsExpression(node);
- }
- }
- /**
- * Serializes an qualified name as an expression for decorator type metadata.
- *
- * @param node The qualified name to serialize.
- * @param useFallback A value indicating whether to use logical operators to test for the
- * qualified name at runtime.
- */
- function serializeQualifiedNameAsExpression(node) {
- return ts.createPropertyAccess(serializeEntityNameAsExpression(node.left), node.right);
- }
- /**
- * Gets an expression that points to the global "Symbol" constructor at runtime if it is
- * available.
- */
- function getGlobalSymbolNameWithFallback() {
- return ts.createConditional(ts.createTypeCheck(ts.createIdentifier("Symbol"), "function"), ts.createIdentifier("Symbol"), ts.createIdentifier("Object"));
- }
- /**
- * Gets an expression that points to the global "BigInt" constructor at runtime if it is
- * available.
- */
- function getGlobalBigIntNameWithFallback() {
- return languageVersion < 99 /* ESNext */
- ? ts.createConditional(ts.createTypeCheck(ts.createIdentifier("BigInt"), "function"), ts.createIdentifier("BigInt"), ts.createIdentifier("Object"))
- : ts.createIdentifier("BigInt");
- }
- /**
- * Gets an expression that represents a property name (for decorated properties or enums).
- * For a computed property, a name is generated for the node.
- *
- * @param member The member whose name should be converted into an expression.
- */
- function getExpressionForPropertyName(member, generateNameForComputedPropertyName) {
- var name = member.name;
- if (ts.isPrivateIdentifier(name)) {
- return ts.createIdentifier("");
- }
- else if (ts.isComputedPropertyName(name)) {
- return generateNameForComputedPropertyName && !ts.isSimpleInlineableExpression(name.expression)
- ? ts.getGeneratedNameForNode(name)
- : name.expression;
- }
- else if (ts.isIdentifier(name)) {
- return ts.createLiteral(ts.idText(name));
- }
- else {
- return ts.getSynthesizedClone(name);
- }
- }
- /**
- * Visits the property name of a class element, for use when emitting property
- * initializers. For a computed property on a node with decorators, a temporary
- * value is stored for later use.
- *
- * @param member The member whose name should be visited.
- */
- function visitPropertyNameOfClassElement(member) {
- var name = member.name;
- // Computed property names need to be transformed into a hoisted variable when they are used more than once.
- // The names are used more than once when:
- // - the property is non-static and its initializer is moved to the constructor (when there are parameter property assignments).
- // - the property has a decorator.
- if (ts.isComputedPropertyName(name) && ((!ts.hasStaticModifier(member) && currentClassHasParameterProperties) || ts.some(member.decorators))) {
- var expression = ts.visitNode(name.expression, visitor, ts.isExpression);
- var innerExpression = ts.skipPartiallyEmittedExpressions(expression);
- if (!ts.isSimpleInlineableExpression(innerExpression)) {
- var generatedName = ts.getGeneratedNameForNode(name);
- hoistVariableDeclaration(generatedName);
- return ts.updateComputedPropertyName(name, ts.createAssignment(generatedName, expression));
- }
- }
- return ts.visitNode(name, visitor, ts.isPropertyName);
- }
- /**
- * Transforms a HeritageClause with TypeScript syntax.
- *
- * This function will only be called when one of the following conditions are met:
- * - The node is a non-`extends` heritage clause that should be elided.
- * - The node is an `extends` heritage clause that should be visited, but only allow a single type.
- *
- * @param node The HeritageClause to transform.
- */
- function visitHeritageClause(node) {
- if (node.token === 113 /* ImplementsKeyword */) {
- // implements clauses are elided
- return undefined;
- }
- return ts.visitEachChild(node, visitor, context);
- }
- /**
- * Transforms an ExpressionWithTypeArguments with TypeScript syntax.
- *
- * This function will only be called when one of the following conditions are met:
- * - The node contains type arguments that should be elided.
- *
- * @param node The ExpressionWithTypeArguments to transform.
- */
- function visitExpressionWithTypeArguments(node) {
- return ts.updateExpressionWithTypeArguments(node,
- /*typeArguments*/ undefined, ts.visitNode(node.expression, visitor, ts.isLeftHandSideExpression));
- }
- /**
- * Determines whether to emit a function-like declaration. We should not emit the
- * declaration if it does not have a body.
- *
- * @param node The declaration node.
- */
- function shouldEmitFunctionLikeDeclaration(node) {
- return !ts.nodeIsMissing(node.body);
- }
- function visitPropertyDeclaration(node) {
- if (node.flags & 8388608 /* Ambient */) {
- return undefined;
- }
- var updated = ts.updateProperty(node,
- /*decorators*/ undefined, ts.visitNodes(node.modifiers, visitor, ts.isModifier), visitPropertyNameOfClassElement(node),
- /*questionOrExclamationToken*/ undefined,
- /*type*/ undefined, ts.visitNode(node.initializer, visitor));
- if (updated !== node) {
- // While we emit the source map for the node after skipping decorators and modifiers,
- // we need to emit the comments for the original range.
- ts.setCommentRange(updated, node);
- ts.setSourceMapRange(updated, ts.moveRangePastDecorators(node));
- }
- return updated;
- }
- function visitConstructor(node) {
- if (!shouldEmitFunctionLikeDeclaration(node)) {
- return undefined;
- }
- return ts.updateConstructor(node,
- /*decorators*/ undefined,
- /*modifiers*/ undefined, ts.visitParameterList(node.parameters, visitor, context), transformConstructorBody(node.body, node));
- }
- function transformConstructorBody(body, constructor) {
- var parametersWithPropertyAssignments = constructor &&
- ts.filter(constructor.parameters, function (p) { return ts.isParameterPropertyDeclaration(p, constructor); });
- if (!ts.some(parametersWithPropertyAssignments)) {
- return ts.visitFunctionBody(body, visitor, context);
- }
- var statements = [];
- var indexOfFirstStatement = 0;
- resumeLexicalEnvironment();
- indexOfFirstStatement = ts.addPrologueDirectivesAndInitialSuperCall(constructor, statements, visitor);
- // Add parameters with property assignments. Transforms this:
- //
- // constructor (public x, public y) {
- // }
- //
- // Into this:
- //
- // constructor (x, y) {
- // this.x = x;
- // this.y = y;
- // }
- //
- ts.addRange(statements, ts.map(parametersWithPropertyAssignments, transformParameterWithPropertyAssignment));
- // Add the existing statements, skipping the initial super call.
- ts.addRange(statements, ts.visitNodes(body.statements, visitor, ts.isStatement, indexOfFirstStatement));
- // End the lexical environment.
- statements = ts.mergeLexicalEnvironment(statements, endLexicalEnvironment());
- var block = ts.createBlock(ts.setTextRange(ts.createNodeArray(statements), body.statements), /*multiLine*/ true);
- ts.setTextRange(block, /*location*/ body);
- ts.setOriginalNode(block, body);
- return block;
- }
- /**
- * Transforms a parameter into a property assignment statement.
- *
- * @param node The parameter declaration.
- */
- function transformParameterWithPropertyAssignment(node) {
- var name = node.name;
- if (!ts.isIdentifier(name)) {
- return undefined;
- }
- var propertyName = ts.getMutableClone(name);
- ts.setEmitFlags(propertyName, 1536 /* NoComments */ | 48 /* NoSourceMap */);
- var localName = ts.getMutableClone(name);
- ts.setEmitFlags(localName, 1536 /* NoComments */);
- return ts.startOnNewLine(ts.removeAllComments(ts.setTextRange(ts.setOriginalNode(ts.createExpressionStatement(ts.createAssignment(ts.setTextRange(ts.createPropertyAccess(ts.createThis(), propertyName), node.name), localName)), node), ts.moveRangePos(node, -1))));
- }
- function visitMethodDeclaration(node) {
- if (!shouldEmitFunctionLikeDeclaration(node)) {
- return undefined;
- }
- var updated = ts.updateMethod(node,
- /*decorators*/ undefined, ts.visitNodes(node.modifiers, modifierVisitor, ts.isModifier), node.asteriskToken, visitPropertyNameOfClassElement(node),
- /*questionToken*/ undefined,
- /*typeParameters*/ undefined, ts.visitParameterList(node.parameters, visitor, context),
- /*type*/ undefined, ts.visitFunctionBody(node.body, visitor, context));
- if (updated !== node) {
- // While we emit the source map for the node after skipping decorators and modifiers,
- // we need to emit the comments for the original range.
- ts.setCommentRange(updated, node);
- ts.setSourceMapRange(updated, ts.moveRangePastDecorators(node));
- }
- return updated;
- }
- /**
- * Determines whether to emit an accessor declaration. We should not emit the
- * declaration if it does not have a body and is abstract.
- *
- * @param node The declaration node.
- */
- function shouldEmitAccessorDeclaration(node) {
- return !(ts.nodeIsMissing(node.body) && ts.hasModifier(node, 128 /* Abstract */));
- }
- function visitGetAccessor(node) {
- if (!shouldEmitAccessorDeclaration(node)) {
- return undefined;
- }
- var updated = ts.updateGetAccessor(node,
- /*decorators*/ undefined, ts.visitNodes(node.modifiers, modifierVisitor, ts.isModifier), visitPropertyNameOfClassElement(node), ts.visitParameterList(node.parameters, visitor, context),
- /*type*/ undefined, ts.visitFunctionBody(node.body, visitor, context) || ts.createBlock([]));
- if (updated !== node) {
- // While we emit the source map for the node after skipping decorators and modifiers,
- // we need to emit the comments for the original range.
- ts.setCommentRange(updated, node);
- ts.setSourceMapRange(updated, ts.moveRangePastDecorators(node));
- }
- return updated;
- }
- function visitSetAccessor(node) {
- if (!shouldEmitAccessorDeclaration(node)) {
- return undefined;
- }
- var updated = ts.updateSetAccessor(node,
- /*decorators*/ undefined, ts.visitNodes(node.modifiers, modifierVisitor, ts.isModifier), visitPropertyNameOfClassElement(node), ts.visitParameterList(node.parameters, visitor, context), ts.visitFunctionBody(node.body, visitor, context) || ts.createBlock([]));
- if (updated !== node) {
- // While we emit the source map for the node after skipping decorators and modifiers,
- // we need to emit the comments for the original range.
- ts.setCommentRange(updated, node);
- ts.setSourceMapRange(updated, ts.moveRangePastDecorators(node));
- }
- return updated;
- }
- function visitFunctionDeclaration(node) {
- if (!shouldEmitFunctionLikeDeclaration(node)) {
- return ts.createNotEmittedStatement(node);
- }
- var updated = ts.updateFunctionDeclaration(node,
- /*decorators*/ undefined, ts.visitNodes(node.modifiers, modifierVisitor, ts.isModifier), node.asteriskToken, node.name,
- /*typeParameters*/ undefined, ts.visitParameterList(node.parameters, visitor, context),
- /*type*/ undefined, ts.visitFunctionBody(node.body, visitor, context) || ts.createBlock([]));
- if (isExportOfNamespace(node)) {
- var statements = [updated];
- addExportMemberAssignment(statements, node);
- return statements;
- }
- return updated;
- }
- function visitFunctionExpression(node) {
- if (!shouldEmitFunctionLikeDeclaration(node)) {
- return ts.createOmittedExpression();
- }
- var updated = ts.updateFunctionExpression(node, ts.visitNodes(node.modifiers, modifierVisitor, ts.isModifier), node.asteriskToken, node.name,
- /*typeParameters*/ undefined, ts.visitParameterList(node.parameters, visitor, context),
- /*type*/ undefined, ts.visitFunctionBody(node.body, visitor, context) || ts.createBlock([]));
- return updated;
- }
- function visitArrowFunction(node) {
- var updated = ts.updateArrowFunction(node, ts.visitNodes(node.modifiers, modifierVisitor, ts.isModifier),
- /*typeParameters*/ undefined, ts.visitParameterList(node.parameters, visitor, context),
- /*type*/ undefined, node.equalsGreaterThanToken, ts.visitFunctionBody(node.body, visitor, context));
- return updated;
- }
- function visitParameter(node) {
- if (ts.parameterIsThisKeyword(node)) {
- return undefined;
- }
- var updated = ts.updateParameter(node,
- /*decorators*/ undefined,
- /*modifiers*/ undefined, node.dotDotDotToken, ts.visitNode(node.name, visitor, ts.isBindingName),
- /*questionToken*/ undefined,
- /*type*/ undefined, ts.visitNode(node.initializer, visitor, ts.isExpression));
- if (updated !== node) {
- // While we emit the source map for the node after skipping decorators and modifiers,
- // we need to emit the comments for the original range.
- ts.setCommentRange(updated, node);
- ts.setTextRange(updated, ts.moveRangePastModifiers(node));
- ts.setSourceMapRange(updated, ts.moveRangePastModifiers(node));
- ts.setEmitFlags(updated.name, 32 /* NoTrailingSourceMap */);
- }
- return updated;
- }
- function visitVariableStatement(node) {
- if (isExportOfNamespace(node)) {
- var variables = ts.getInitializedVariables(node.declarationList);
- if (variables.length === 0) {
- // elide statement if there are no initialized variables.
- return undefined;
- }
- return ts.setTextRange(ts.createExpressionStatement(ts.inlineExpressions(ts.map(variables, transformInitializedVariable))), node);
- }
- else {
- return ts.visitEachChild(node, visitor, context);
- }
- }
- function transformInitializedVariable(node) {
- var name = node.name;
- if (ts.isBindingPattern(name)) {
- return ts.flattenDestructuringAssignment(node, visitor, context, 0 /* All */,
- /*needsValue*/ false, createNamespaceExportExpression);
- }
- else {
- return ts.setTextRange(ts.createAssignment(getNamespaceMemberNameWithSourceMapsAndWithoutComments(name), ts.visitNode(node.initializer, visitor, ts.isExpression)),
- /*location*/ node);
- }
- }
- function visitVariableDeclaration(node) {
- return ts.updateTypeScriptVariableDeclaration(node, ts.visitNode(node.name, visitor, ts.isBindingName),
- /*exclaimationToken*/ undefined,
- /*type*/ undefined, ts.visitNode(node.initializer, visitor, ts.isExpression));
- }
- function visitParenthesizedExpression(node) {
- var innerExpression = ts.skipOuterExpressions(node.expression, ~6 /* Assertions */);
- if (ts.isAssertionExpression(innerExpression)) {
- // Make sure we consider all nested cast expressions, e.g.:
- // (<any><number><any>-A).x;
- var expression = ts.visitNode(node.expression, visitor, ts.isExpression);
- // We have an expression of the form: (<Type>SubExpr). Emitting this as (SubExpr)
- // is really not desirable. We would like to emit the subexpression as-is. Omitting
- // the parentheses, however, could cause change in the semantics of the generated
- // code if the casted expression has a lower precedence than the rest of the
- // expression.
- //
- // To preserve comments, we return a "PartiallyEmittedExpression" here which will
- // preserve the position information of the original expression.
- //
- // Due to the auto-parenthesization rules used by the visitor and factory functions
- // we can safely elide the parentheses here, as a new synthetic
- // ParenthesizedExpression will be inserted if we remove parentheses too
- // aggressively.
- // HOWEVER - if there are leading comments on the expression itself, to handle ASI
- // correctly for return and throw, we must keep the parenthesis
- if (ts.length(ts.getLeadingCommentRangesOfNode(expression, currentSourceFile))) {
- return ts.updateParen(node, expression);
- }
- return ts.createPartiallyEmittedExpression(expression, node);
- }
- return ts.visitEachChild(node, visitor, context);
- }
- function visitAssertionExpression(node) {
- var expression = ts.visitNode(node.expression, visitor, ts.isExpression);
- return ts.createPartiallyEmittedExpression(expression, node);
- }
- function visitNonNullExpression(node) {
- var expression = ts.visitNode(node.expression, visitor, ts.isLeftHandSideExpression);
- return ts.createPartiallyEmittedExpression(expression, node);
- }
- function visitCallExpression(node) {
- return ts.updateCall(node, ts.visitNode(node.expression, visitor, ts.isExpression),
- /*typeArguments*/ undefined, ts.visitNodes(node.arguments, visitor, ts.isExpression));
- }
- function visitNewExpression(node) {
- return ts.updateNew(node, ts.visitNode(node.expression, visitor, ts.isExpression),
- /*typeArguments*/ undefined, ts.visitNodes(node.arguments, visitor, ts.isExpression));
- }
- function visitTaggedTemplateExpression(node) {
- return ts.updateTaggedTemplate(node, ts.visitNode(node.tag, visitor, ts.isExpression),
- /*typeArguments*/ undefined, ts.visitNode(node.template, visitor, ts.isExpression));
- }
- function visitJsxSelfClosingElement(node) {
- return ts.updateJsxSelfClosingElement(node, ts.visitNode(node.tagName, visitor, ts.isJsxTagNameExpression),
- /*typeArguments*/ undefined, ts.visitNode(node.attributes, visitor, ts.isJsxAttributes));
- }
- function visitJsxJsxOpeningElement(node) {
- return ts.updateJsxOpeningElement(node, ts.visitNode(node.tagName, visitor, ts.isJsxTagNameExpression),
- /*typeArguments*/ undefined, ts.visitNode(node.attributes, visitor, ts.isJsxAttributes));
- }
- /**
- * Determines whether to emit an enum declaration.
- *
- * @param node The enum declaration node.
- */
- function shouldEmitEnumDeclaration(node) {
- return !ts.isEnumConst(node)
- || compilerOptions.preserveConstEnums
- || compilerOptions.isolatedModules;
- }
- /**
- * Visits an enum declaration.
- *
- * This function will be called any time a TypeScript enum is encountered.
- *
- * @param node The enum declaration node.
- */
- function visitEnumDeclaration(node) {
- if (!shouldEmitEnumDeclaration(node)) {
- return ts.createNotEmittedStatement(node);
- }
- var statements = [];
- // We request to be advised when the printer is about to print this node. This allows
- // us to set up the correct state for later substitutions.
- var emitFlags = 2 /* AdviseOnEmitNode */;
- // If needed, we should emit a variable declaration for the enum. If we emit
- // a leading variable declaration, we should not emit leading comments for the
- // enum body.
- var varAdded = addVarForEnumOrModuleDeclaration(statements, node);
- if (varAdded) {
- // We should still emit the comments if we are emitting a system module.
- if (moduleKind !== ts.ModuleKind.System || currentLexicalScope !== currentSourceFile) {
- emitFlags |= 512 /* NoLeadingComments */;
- }
- }
- // `parameterName` is the declaration name used inside of the enum.
- var parameterName = getNamespaceParameterName(node);
- // `containerName` is the expression used inside of the enum for assignments.
- var containerName = getNamespaceContainerName(node);
- // `exportName` is the expression used within this node's container for any exported references.
- var exportName = ts.hasModifier(node, 1 /* Export */)
- ? ts.getExternalModuleOrNamespaceExportName(currentNamespaceContainerName, node, /*allowComments*/ false, /*allowSourceMaps*/ true)
- : ts.getLocalName(node, /*allowComments*/ false, /*allowSourceMaps*/ true);
- // x || (x = {})
- // exports.x || (exports.x = {})
- var moduleArg = ts.createLogicalOr(exportName, ts.createAssignment(exportName, ts.createObjectLiteral()));
- if (hasNamespaceQualifiedExportName(node)) {
- // `localName` is the expression used within this node's containing scope for any local references.
- var localName = ts.getLocalName(node, /*allowComments*/ false, /*allowSourceMaps*/ true);
- // x = (exports.x || (exports.x = {}))
- moduleArg = ts.createAssignment(localName, moduleArg);
- }
- // (function (x) {
- // x[x["y"] = 0] = "y";
- // ...
- // })(x || (x = {}));
- var enumStatement = ts.createExpressionStatement(ts.createCall(ts.createFunctionExpression(
- /*modifiers*/ undefined,
- /*asteriskToken*/ undefined,
- /*name*/ undefined,
- /*typeParameters*/ undefined, [ts.createParameter(/*decorators*/ undefined, /*modifiers*/ undefined, /*dotDotDotToken*/ undefined, parameterName)],
- /*type*/ undefined, transformEnumBody(node, containerName)),
- /*typeArguments*/ undefined, [moduleArg]));
- ts.setOriginalNode(enumStatement, node);
- if (varAdded) {
- // If a variable was added, synthetic comments are emitted on it, not on the moduleStatement.
- ts.setSyntheticLeadingComments(enumStatement, undefined);
- ts.setSyntheticTrailingComments(enumStatement, undefined);
- }
- ts.setTextRange(enumStatement, node);
- ts.addEmitFlags(enumStatement, emitFlags);
- statements.push(enumStatement);
- // Add a DeclarationMarker for the enum to preserve trailing comments and mark
- // the end of the declaration.
- statements.push(ts.createEndOfDeclarationMarker(node));
- return statements;
- }
- /**
- * Transforms the body of an enum declaration.
- *
- * @param node The enum declaration node.
- */
- function transformEnumBody(node, localName) {
- var savedCurrentNamespaceLocalName = currentNamespaceContainerName;
- currentNamespaceContainerName = localName;
- var statements = [];
- startLexicalEnvironment();
- var members = ts.map(node.members, transformEnumMember);
- ts.insertStatementsAfterStandardPrologue(statements, endLexicalEnvironment());
- ts.addRange(statements, members);
- currentNamespaceContainerName = savedCurrentNamespaceLocalName;
- return ts.createBlock(ts.setTextRange(ts.createNodeArray(statements), /*location*/ node.members),
- /*multiLine*/ true);
- }
- /**
- * Transforms an enum member into a statement.
- *
- * @param member The enum member node.
- */
- function transformEnumMember(member) {
- // enums don't support computed properties
- // we pass false as 'generateNameForComputedPropertyName' for a backward compatibility purposes
- // old emitter always generate 'expression' part of the name as-is.
- var name = getExpressionForPropertyName(member, /*generateNameForComputedPropertyName*/ false);
- var valueExpression = transformEnumMemberDeclarationValue(member);
- var innerAssignment = ts.createAssignment(ts.createElementAccess(currentNamespaceContainerName, name), valueExpression);
- var outerAssignment = valueExpression.kind === 10 /* StringLiteral */ ?
- innerAssignment :
- ts.createAssignment(ts.createElementAccess(currentNamespaceContainerName, innerAssignment), name);
- return ts.setTextRange(ts.createExpressionStatement(ts.setTextRange(outerAssignment, member)), member);
- }
- /**
- * Transforms the value of an enum member.
- *
- * @param member The enum member node.
- */
- function transformEnumMemberDeclarationValue(member) {
- var value = resolver.getConstantValue(member);
- if (value !== undefined) {
- return ts.createLiteral(value);
- }
- else {
- enableSubstitutionForNonQualifiedEnumMembers();
- if (member.initializer) {
- return ts.visitNode(member.initializer, visitor, ts.isExpression);
- }
- else {
- return ts.createVoidZero();
- }
- }
- }
- /**
- * Determines whether to elide a module declaration.
- *
- * @param node The module declaration node.
- */
- function shouldEmitModuleDeclaration(nodeIn) {
- var node = ts.getParseTreeNode(nodeIn, ts.isModuleDeclaration);
- if (!node) {
- // If we can't find a parse tree node, assume the node is instantiated.
- return true;
- }
- return ts.isInstantiatedModule(node, !!compilerOptions.preserveConstEnums || !!compilerOptions.isolatedModules);
- }
- /**
- * Determines whether an exported declaration will have a qualified export name (e.g. `f.x`
- * or `exports.x`).
- */
- function hasNamespaceQualifiedExportName(node) {
- return isExportOfNamespace(node)
- || (isExternalModuleExport(node)
- && moduleKind !== ts.ModuleKind.ES2015
- && moduleKind !== ts.ModuleKind.ES2020
- && moduleKind !== ts.ModuleKind.ESNext
- && moduleKind !== ts.ModuleKind.System);
- }
- /**
- * Records that a declaration was emitted in the current scope, if it was the first
- * declaration for the provided symbol.
- */
- function recordEmittedDeclarationInScope(node) {
- if (!currentScopeFirstDeclarationsOfName) {
- currentScopeFirstDeclarationsOfName = ts.createUnderscoreEscapedMap();
- }
- var name = declaredNameInScope(node);
- if (!currentScopeFirstDeclarationsOfName.has(name)) {
- currentScopeFirstDeclarationsOfName.set(name, node);
- }
- }
- /**
- * Determines whether a declaration is the first declaration with
- * the same name emitted in the current scope.
- */
- function isFirstEmittedDeclarationInScope(node) {
- if (currentScopeFirstDeclarationsOfName) {
- var name = declaredNameInScope(node);
- return currentScopeFirstDeclarationsOfName.get(name) === node;
- }
- return true;
- }
- function declaredNameInScope(node) {
- ts.Debug.assertNode(node.name, ts.isIdentifier);
- return node.name.escapedText;
- }
- /**
- * Adds a leading VariableStatement for a enum or module declaration.
- */
- function addVarForEnumOrModuleDeclaration(statements, node) {
- // Emit a variable statement for the module. We emit top-level enums as a `var`
- // declaration to avoid static errors in global scripts scripts due to redeclaration.
- // enums in any other scope are emitted as a `let` declaration.
- var statement = ts.createVariableStatement(ts.visitNodes(node.modifiers, modifierVisitor, ts.isModifier), ts.createVariableDeclarationList([
- ts.createVariableDeclaration(ts.getLocalName(node, /*allowComments*/ false, /*allowSourceMaps*/ true))
- ], currentLexicalScope.kind === 290 /* SourceFile */ ? 0 /* None */ : 1 /* Let */));
- ts.setOriginalNode(statement, node);
- recordEmittedDeclarationInScope(node);
- if (isFirstEmittedDeclarationInScope(node)) {
- // Adjust the source map emit to match the old emitter.
- if (node.kind === 248 /* EnumDeclaration */) {
- ts.setSourceMapRange(statement.declarationList, node);
- }
- else {
- ts.setSourceMapRange(statement, node);
- }
- // Trailing comments for module declaration should be emitted after the function closure
- // instead of the variable statement:
- //
- // /** Module comment*/
- // module m1 {
- // function foo4Export() {
- // }
- // } // trailing comment module
- //
- // Should emit:
- //
- // /** Module comment*/
- // var m1;
- // (function (m1) {
- // function foo4Export() {
- // }
- // })(m1 || (m1 = {})); // trailing comment module
- //
- ts.setCommentRange(statement, node);
- ts.addEmitFlags(statement, 1024 /* NoTrailingComments */ | 4194304 /* HasEndOfDeclarationMarker */);
- statements.push(statement);
- return true;
- }
- else {
- // For an EnumDeclaration or ModuleDeclaration that merges with a preceeding
- // declaration we do not emit a leading variable declaration. To preserve the
- // begin/end semantics of the declararation and to properly handle exports
- // we wrap the leading variable declaration in a `MergeDeclarationMarker`.
- var mergeMarker = ts.createMergeDeclarationMarker(statement);
- ts.setEmitFlags(mergeMarker, 1536 /* NoComments */ | 4194304 /* HasEndOfDeclarationMarker */);
- statements.push(mergeMarker);
- return false;
- }
- }
- /**
- * Visits a module declaration node.
- *
- * This function will be called any time a TypeScript namespace (ModuleDeclaration) is encountered.
- *
- * @param node The module declaration node.
- */
- function visitModuleDeclaration(node) {
- if (!shouldEmitModuleDeclaration(node)) {
- return ts.createNotEmittedStatement(node);
- }
- ts.Debug.assertNode(node.name, ts.isIdentifier, "A TypeScript namespace should have an Identifier name.");
- enableSubstitutionForNamespaceExports();
- var statements = [];
- // We request to be advised when the printer is about to print this node. This allows
- // us to set up the correct state for later substitutions.
- var emitFlags = 2 /* AdviseOnEmitNode */;
- // If needed, we should emit a variable declaration for the module. If we emit
- // a leading variable declaration, we should not emit leading comments for the
- // module body.
- var varAdded = addVarForEnumOrModuleDeclaration(statements, node);
- if (varAdded) {
- // We should still emit the comments if we are emitting a system module.
- if (moduleKind !== ts.ModuleKind.System || currentLexicalScope !== currentSourceFile) {
- emitFlags |= 512 /* NoLeadingComments */;
- }
- }
- // `parameterName` is the declaration name used inside of the namespace.
- var parameterName = getNamespaceParameterName(node);
- // `containerName` is the expression used inside of the namespace for exports.
- var containerName = getNamespaceContainerName(node);
- // `exportName` is the expression used within this node's container for any exported references.
- var exportName = ts.hasModifier(node, 1 /* Export */)
- ? ts.getExternalModuleOrNamespaceExportName(currentNamespaceContainerName, node, /*allowComments*/ false, /*allowSourceMaps*/ true)
- : ts.getLocalName(node, /*allowComments*/ false, /*allowSourceMaps*/ true);
- // x || (x = {})
- // exports.x || (exports.x = {})
- var moduleArg = ts.createLogicalOr(exportName, ts.createAssignment(exportName, ts.createObjectLiteral()));
- if (hasNamespaceQualifiedExportName(node)) {
- // `localName` is the expression used within this node's containing scope for any local references.
- var localName = ts.getLocalName(node, /*allowComments*/ false, /*allowSourceMaps*/ true);
- // x = (exports.x || (exports.x = {}))
- moduleArg = ts.createAssignment(localName, moduleArg);
- }
- // (function (x_1) {
- // x_1.y = ...;
- // })(x || (x = {}));
- var moduleStatement = ts.createExpressionStatement(ts.createCall(ts.createFunctionExpression(
- /*modifiers*/ undefined,
- /*asteriskToken*/ undefined,
- /*name*/ undefined,
- /*typeParameters*/ undefined, [ts.createParameter(/*decorators*/ undefined, /*modifiers*/ undefined, /*dotDotDotToken*/ undefined, parameterName)],
- /*type*/ undefined, transformModuleBody(node, containerName)),
- /*typeArguments*/ undefined, [moduleArg]));
- ts.setOriginalNode(moduleStatement, node);
- if (varAdded) {
- // If a variable was added, synthetic comments are emitted on it, not on the moduleStatement.
- ts.setSyntheticLeadingComments(moduleStatement, undefined);
- ts.setSyntheticTrailingComments(moduleStatement, undefined);
- }
- ts.setTextRange(moduleStatement, node);
- ts.addEmitFlags(moduleStatement, emitFlags);
- statements.push(moduleStatement);
- // Add a DeclarationMarker for the namespace to preserve trailing comments and mark
- // the end of the declaration.
- statements.push(ts.createEndOfDeclarationMarker(node));
- return statements;
- }
- /**
- * Transforms the body of a module declaration.
- *
- * @param node The module declaration node.
- */
- function transformModuleBody(node, namespaceLocalName) {
- var savedCurrentNamespaceContainerName = currentNamespaceContainerName;
- var savedCurrentNamespace = currentNamespace;
- var savedCurrentScopeFirstDeclarationsOfName = currentScopeFirstDeclarationsOfName;
- currentNamespaceContainerName = namespaceLocalName;
- currentNamespace = node;
- currentScopeFirstDeclarationsOfName = undefined;
- var statements = [];
- startLexicalEnvironment();
- var statementsLocation;
- var blockLocation;
- if (node.body) {
- if (node.body.kind === 250 /* ModuleBlock */) {
- saveStateAndInvoke(node.body, function (body) { return ts.addRange(statements, ts.visitNodes(body.statements, namespaceElementVisitor, ts.isStatement)); });
- statementsLocation = node.body.statements;
- blockLocation = node.body;
- }
- else {
- var result = visitModuleDeclaration(node.body);
- if (result) {
- if (ts.isArray(result)) {
- ts.addRange(statements, result);
- }
- else {
- statements.push(result);
- }
- }
- var moduleBlock = getInnerMostModuleDeclarationFromDottedModule(node).body;
- statementsLocation = ts.moveRangePos(moduleBlock.statements, -1);
- }
- }
- ts.insertStatementsAfterStandardPrologue(statements, endLexicalEnvironment());
- currentNamespaceContainerName = savedCurrentNamespaceContainerName;
- currentNamespace = savedCurrentNamespace;
- currentScopeFirstDeclarationsOfName = savedCurrentScopeFirstDeclarationsOfName;
- var block = ts.createBlock(ts.setTextRange(ts.createNodeArray(statements),
- /*location*/ statementsLocation),
- /*multiLine*/ true);
- ts.setTextRange(block, blockLocation);
- // namespace hello.hi.world {
- // function foo() {}
- //
- // // TODO, blah
- // }
- //
- // should be emitted as
- //
- // var hello;
- // (function (hello) {
- // var hi;
- // (function (hi) {
- // var world;
- // (function (world) {
- // function foo() { }
- // // TODO, blah
- // })(world = hi.world || (hi.world = {}));
- // })(hi = hello.hi || (hello.hi = {}));
- // })(hello || (hello = {}));
- // We only want to emit comment on the namespace which contains block body itself, not the containing namespaces.
- if (!node.body || node.body.kind !== 250 /* ModuleBlock */) {
- ts.setEmitFlags(block, ts.getEmitFlags(block) | 1536 /* NoComments */);
- }
- return block;
- }
- function getInnerMostModuleDeclarationFromDottedModule(moduleDeclaration) {
- if (moduleDeclaration.body.kind === 249 /* ModuleDeclaration */) {
- var recursiveInnerModule = getInnerMostModuleDeclarationFromDottedModule(moduleDeclaration.body);
- return recursiveInnerModule || moduleDeclaration.body;
- }
- }
- /**
- * Visits an import declaration, eliding it if it is not referenced and `importsNotUsedAsValues` is not 'preserve'.
- *
- * @param node The import declaration node.
- */
- function visitImportDeclaration(node) {
- if (!node.importClause) {
- // Do not elide a side-effect only import declaration.
- // import "foo";
- return node;
- }
- if (node.importClause.isTypeOnly) {
- // Always elide type-only imports
- return undefined;
- }
- // Elide the declaration if the import clause was elided.
- var importClause = ts.visitNode(node.importClause, visitImportClause, ts.isImportClause);
- return importClause ||
- compilerOptions.importsNotUsedAsValues === 1 /* Preserve */ ||
- compilerOptions.importsNotUsedAsValues === 2 /* Error */
- ? ts.updateImportDeclaration(node,
- /*decorators*/ undefined,
- /*modifiers*/ undefined, importClause, node.moduleSpecifier)
- : undefined;
- }
- /**
- * Visits an import clause, eliding it if it is not referenced.
- *
- * @param node The import clause node.
- */
- function visitImportClause(node) {
- if (node.isTypeOnly) {
- return undefined;
- }
- // Elide the import clause if we elide both its name and its named bindings.
- var name = resolver.isReferencedAliasDeclaration(node) ? node.name : undefined;
- var namedBindings = ts.visitNode(node.namedBindings, visitNamedImportBindings, ts.isNamedImportBindings);
- return (name || namedBindings) ? ts.updateImportClause(node, name, namedBindings, /*isTypeOnly*/ false) : undefined;
- }
- /**
- * Visits named import bindings, eliding it if it is not referenced.
- *
- * @param node The named import bindings node.
- */
- function visitNamedImportBindings(node) {
- if (node.kind === 256 /* NamespaceImport */) {
- // Elide a namespace import if it is not referenced.
- return resolver.isReferencedAliasDeclaration(node) ? node : undefined;
- }
- else {
- // Elide named imports if all of its import specifiers are elided.
- var elements = ts.visitNodes(node.elements, visitImportSpecifier, ts.isImportSpecifier);
- return ts.some(elements) ? ts.updateNamedImports(node, elements) : undefined;
- }
- }
- /**
- * Visits an import specifier, eliding it if it is not referenced.
- *
- * @param node The import specifier node.
- */
- function visitImportSpecifier(node) {
- // Elide an import specifier if it is not referenced.
- return resolver.isReferencedAliasDeclaration(node) ? node : undefined;
- }
- /**
- * Visits an export assignment, eliding it if it does not contain a clause that resolves
- * to a value.
- *
- * @param node The export assignment node.
- */
- function visitExportAssignment(node) {
- // Elide the export assignment if it does not reference a value.
- return resolver.isValueAliasDeclaration(node)
- ? ts.visitEachChild(node, visitor, context)
- : undefined;
- }
- /**
- * Visits an export declaration, eliding it if it does not contain a clause that resolves
- * to a value.
- *
- * @param node The export declaration node.
- */
- function visitExportDeclaration(node) {
- if (node.isTypeOnly) {
- return undefined;
- }
- if (!node.exportClause || ts.isNamespaceExport(node.exportClause)) {
- // never elide `export <whatever> from <whereever>` declarations -
- // they should be kept for sideffects/untyped exports, even when the
- // type checker doesn't know about any exports
- return node;
- }
- if (!resolver.isValueAliasDeclaration(node)) {
- // Elide the export declaration if it does not export a value.
- return undefined;
- }
- // Elide the export declaration if all of its named exports are elided.
- var exportClause = ts.visitNode(node.exportClause, visitNamedExportBindings, ts.isNamedExportBindings);
- return exportClause
- ? ts.updateExportDeclaration(node,
- /*decorators*/ undefined,
- /*modifiers*/ undefined, exportClause, node.moduleSpecifier, node.isTypeOnly)
- : undefined;
- }
- /**
- * Visits named exports, eliding it if it does not contain an export specifier that
- * resolves to a value.
- *
- * @param node The named exports node.
- */
- function visitNamedExports(node) {
- // Elide the named exports if all of its export specifiers were elided.
- var elements = ts.visitNodes(node.elements, visitExportSpecifier, ts.isExportSpecifier);
- return ts.some(elements) ? ts.updateNamedExports(node, elements) : undefined;
- }
- function visitNamespaceExports(node) {
- return ts.updateNamespaceExport(node, ts.visitNode(node.name, visitor, ts.isIdentifier));
- }
- function visitNamedExportBindings(node) {
- return ts.isNamespaceExport(node) ? visitNamespaceExports(node) : visitNamedExports(node);
- }
- /**
- * Visits an export specifier, eliding it if it does not resolve to a value.
- *
- * @param node The export specifier node.
- */
- function visitExportSpecifier(node) {
- // Elide an export specifier if it does not reference a value.
- return resolver.isValueAliasDeclaration(node) ? node : undefined;
- }
- /**
- * Determines whether to emit an import equals declaration.
- *
- * @param node The import equals declaration node.
- */
- function shouldEmitImportEqualsDeclaration(node) {
- // preserve old compiler's behavior: emit 'var' for import declaration (even if we do not consider them referenced) when
- // - current file is not external module
- // - import declaration is top level and target is value imported by entity name
- return resolver.isReferencedAliasDeclaration(node)
- || (!ts.isExternalModule(currentSourceFile)
- && resolver.isTopLevelValueImportEqualsWithEntityName(node));
- }
- /**
- * Visits an import equals declaration.
- *
- * @param node The import equals declaration node.
- */
- function visitImportEqualsDeclaration(node) {
- if (ts.isExternalModuleImportEqualsDeclaration(node)) {
- var isReferenced = resolver.isReferencedAliasDeclaration(node);
- // If the alias is unreferenced but we want to keep the import, replace with 'import "mod"'.
- if (!isReferenced && compilerOptions.importsNotUsedAsValues === 1 /* Preserve */) {
- return ts.setOriginalNode(ts.setTextRange(ts.createImportDeclaration(
- /*decorators*/ undefined,
- /*modifiers*/ undefined,
- /*importClause*/ undefined, node.moduleReference.expression), node), node);
- }
- return isReferenced ? ts.visitEachChild(node, visitor, context) : undefined;
- }
- if (!shouldEmitImportEqualsDeclaration(node)) {
- return undefined;
- }
- var moduleReference = ts.createExpressionFromEntityName(node.moduleReference);
- ts.setEmitFlags(moduleReference, 1536 /* NoComments */ | 2048 /* NoNestedComments */);
- if (isNamedExternalModuleExport(node) || !isExportOfNamespace(node)) {
- // export var ${name} = ${moduleReference};
- // var ${name} = ${moduleReference};
- return ts.setOriginalNode(ts.setTextRange(ts.createVariableStatement(ts.visitNodes(node.modifiers, modifierVisitor, ts.isModifier), ts.createVariableDeclarationList([
- ts.setOriginalNode(ts.createVariableDeclaration(node.name,
- /*type*/ undefined, moduleReference), node)
- ])), node), node);
- }
- else {
- // exports.${name} = ${moduleReference};
- return ts.setOriginalNode(createNamespaceExport(node.name, moduleReference, node), node);
- }
- }
- /**
- * Gets a value indicating whether the node is exported from a namespace.
- *
- * @param node The node to test.
- */
- function isExportOfNamespace(node) {
- return currentNamespace !== undefined && ts.hasModifier(node, 1 /* Export */);
- }
- /**
- * Gets a value indicating whether the node is exported from an external module.
- *
- * @param node The node to test.
- */
- function isExternalModuleExport(node) {
- return currentNamespace === undefined && ts.hasModifier(node, 1 /* Export */);
- }
- /**
- * Gets a value indicating whether the node is a named export from an external module.
- *
- * @param node The node to test.
- */
- function isNamedExternalModuleExport(node) {
- return isExternalModuleExport(node)
- && !ts.hasModifier(node, 512 /* Default */);
- }
- /**
- * Gets a value indicating whether the node is the default export of an external module.
- *
- * @param node The node to test.
- */
- function isDefaultExternalModuleExport(node) {
- return isExternalModuleExport(node)
- && ts.hasModifier(node, 512 /* Default */);
- }
- /**
- * Creates a statement for the provided expression. This is used in calls to `map`.
- */
- function expressionToStatement(expression) {
- return ts.createExpressionStatement(expression);
- }
- function addExportMemberAssignment(statements, node) {
- var expression = ts.createAssignment(ts.getExternalModuleOrNamespaceExportName(currentNamespaceContainerName, node, /*allowComments*/ false, /*allowSourceMaps*/ true), ts.getLocalName(node));
- ts.setSourceMapRange(expression, ts.createRange(node.name ? node.name.pos : node.pos, node.end));
- var statement = ts.createExpressionStatement(expression);
- ts.setSourceMapRange(statement, ts.createRange(-1, node.end));
- statements.push(statement);
- }
- function createNamespaceExport(exportName, exportValue, location) {
- return ts.setTextRange(ts.createExpressionStatement(ts.createAssignment(ts.getNamespaceMemberName(currentNamespaceContainerName, exportName, /*allowComments*/ false, /*allowSourceMaps*/ true), exportValue)), location);
- }
- function createNamespaceExportExpression(exportName, exportValue, location) {
- return ts.setTextRange(ts.createAssignment(getNamespaceMemberNameWithSourceMapsAndWithoutComments(exportName), exportValue), location);
- }
- function getNamespaceMemberNameWithSourceMapsAndWithoutComments(name) {
- return ts.getNamespaceMemberName(currentNamespaceContainerName, name, /*allowComments*/ false, /*allowSourceMaps*/ true);
- }
- /**
- * Gets the declaration name used inside of a namespace or enum.
- */
- function getNamespaceParameterName(node) {
- var name = ts.getGeneratedNameForNode(node);
- ts.setSourceMapRange(name, node.name);
- return name;
- }
- /**
- * Gets the expression used to refer to a namespace or enum within the body
- * of its declaration.
- */
- function getNamespaceContainerName(node) {
- return ts.getGeneratedNameForNode(node);
- }
- /**
- * Gets a local alias for a class declaration if it is a decorated class with an internal
- * reference to the static side of the class. This is necessary to avoid issues with
- * double-binding semantics for the class name.
- */
- function getClassAliasIfNeeded(node) {
- if (resolver.getNodeCheckFlags(node) & 16777216 /* ClassWithConstructorReference */) {
- enableSubstitutionForClassAliases();
- var classAlias = ts.createUniqueName(node.name && !ts.isGeneratedIdentifier(node.name) ? ts.idText(node.name) : "default");
- classAliases[ts.getOriginalNodeId(node)] = classAlias;
- hoistVariableDeclaration(classAlias);
- return classAlias;
- }
- }
- function getClassPrototype(node) {
- return ts.createPropertyAccess(ts.getDeclarationName(node), "prototype");
- }
- function getClassMemberPrefix(node, member) {
- return ts.hasModifier(member, 32 /* Static */)
- ? ts.getDeclarationName(node)
- : getClassPrototype(node);
- }
- function enableSubstitutionForNonQualifiedEnumMembers() {
- if ((enabledSubstitutions & 8 /* NonQualifiedEnumMembers */) === 0) {
- enabledSubstitutions |= 8 /* NonQualifiedEnumMembers */;
- context.enableSubstitution(75 /* Identifier */);
- }
- }
- function enableSubstitutionForClassAliases() {
- if ((enabledSubstitutions & 1 /* ClassAliases */) === 0) {
- enabledSubstitutions |= 1 /* ClassAliases */;
- // We need to enable substitutions for identifiers. This allows us to
- // substitute class names inside of a class declaration.
- context.enableSubstitution(75 /* Identifier */);
- // Keep track of class aliases.
- classAliases = [];
- }
- }
- function enableSubstitutionForNamespaceExports() {
- if ((enabledSubstitutions & 2 /* NamespaceExports */) === 0) {
- enabledSubstitutions |= 2 /* NamespaceExports */;
- // We need to enable substitutions for identifiers and shorthand property assignments. This allows us to
- // substitute the names of exported members of a namespace.
- context.enableSubstitution(75 /* Identifier */);
- context.enableSubstitution(282 /* ShorthandPropertyAssignment */);
- // We need to be notified when entering and exiting namespaces.
- context.enableEmitNotification(249 /* ModuleDeclaration */);
- }
- }
- function isTransformedModuleDeclaration(node) {
- return ts.getOriginalNode(node).kind === 249 /* ModuleDeclaration */;
- }
- function isTransformedEnumDeclaration(node) {
- return ts.getOriginalNode(node).kind === 248 /* EnumDeclaration */;
- }
- /**
- * Hook for node emit.
- *
- * @param hint A hint as to the intended usage of the node.
- * @param node The node to emit.
- * @param emit A callback used to emit the node in the printer.
- */
- function onEmitNode(hint, node, emitCallback) {
- var savedApplicableSubstitutions = applicableSubstitutions;
- var savedCurrentSourceFile = currentSourceFile;
- if (ts.isSourceFile(node)) {
- currentSourceFile = node;
- }
- if (enabledSubstitutions & 2 /* NamespaceExports */ && isTransformedModuleDeclaration(node)) {
- applicableSubstitutions |= 2 /* NamespaceExports */;
- }
- if (enabledSubstitutions & 8 /* NonQualifiedEnumMembers */ && isTransformedEnumDeclaration(node)) {
- applicableSubstitutions |= 8 /* NonQualifiedEnumMembers */;
- }
- previousOnEmitNode(hint, node, emitCallback);
- applicableSubstitutions = savedApplicableSubstitutions;
- currentSourceFile = savedCurrentSourceFile;
- }
- /**
- * Hooks node substitutions.
- *
- * @param hint A hint as to the intended usage of the node.
- * @param node The node to substitute.
- */
- function onSubstituteNode(hint, node) {
- node = previousOnSubstituteNode(hint, node);
- if (hint === 1 /* Expression */) {
- return substituteExpression(node);
- }
- else if (ts.isShorthandPropertyAssignment(node)) {
- return substituteShorthandPropertyAssignment(node);
- }
- return node;
- }
- function substituteShorthandPropertyAssignment(node) {
- if (enabledSubstitutions & 2 /* NamespaceExports */) {
- var name = node.name;
- var exportedName = trySubstituteNamespaceExportedName(name);
- if (exportedName) {
- // A shorthand property with an assignment initializer is probably part of a
- // destructuring assignment
- if (node.objectAssignmentInitializer) {
- var initializer = ts.createAssignment(exportedName, node.objectAssignmentInitializer);
- return ts.setTextRange(ts.createPropertyAssignment(name, initializer), node);
- }
- return ts.setTextRange(ts.createPropertyAssignment(name, exportedName), node);
- }
- }
- return node;
- }
- function substituteExpression(node) {
- switch (node.kind) {
- case 75 /* Identifier */:
- return substituteExpressionIdentifier(node);
- case 194 /* PropertyAccessExpression */:
- return substitutePropertyAccessExpression(node);
- case 195 /* ElementAccessExpression */:
- return substituteElementAccessExpression(node);
- }
- return node;
- }
- function substituteExpressionIdentifier(node) {
- return trySubstituteClassAlias(node)
- || trySubstituteNamespaceExportedName(node)
- || node;
- }
- function trySubstituteClassAlias(node) {
- if (enabledSubstitutions & 1 /* ClassAliases */) {
- if (resolver.getNodeCheckFlags(node) & 33554432 /* ConstructorReferenceInClass */) {
- // Due to the emit for class decorators, any reference to the class from inside of the class body
- // must instead be rewritten to point to a temporary variable to avoid issues with the double-bind
- // behavior of class names in ES6.
- // Also, when emitting statics for class expressions, we must substitute a class alias for
- // constructor references in static property initializers.
- var declaration = resolver.getReferencedValueDeclaration(node);
- if (declaration) {
- var classAlias = classAliases[declaration.id]; // TODO: GH#18217
- if (classAlias) {
- var clone_1 = ts.getSynthesizedClone(classAlias);
- ts.setSourceMapRange(clone_1, node);
- ts.setCommentRange(clone_1, node);
- return clone_1;
- }
- }
- }
- }
- return undefined;
- }
- function trySubstituteNamespaceExportedName(node) {
- // If this is explicitly a local name, do not substitute.
- if (enabledSubstitutions & applicableSubstitutions && !ts.isGeneratedIdentifier(node) && !ts.isLocalName(node)) {
- // If we are nested within a namespace declaration, we may need to qualifiy
- // an identifier that is exported from a merged namespace.
- var container = resolver.getReferencedExportContainer(node, /*prefixLocals*/ false);
- if (container && container.kind !== 290 /* SourceFile */) {
- var substitute = (applicableSubstitutions & 2 /* NamespaceExports */ && container.kind === 249 /* ModuleDeclaration */) ||
- (applicableSubstitutions & 8 /* NonQualifiedEnumMembers */ && container.kind === 248 /* EnumDeclaration */);
- if (substitute) {
- return ts.setTextRange(ts.createPropertyAccess(ts.getGeneratedNameForNode(container), node),
- /*location*/ node);
- }
- }
- }
- return undefined;
- }
- function substitutePropertyAccessExpression(node) {
- return substituteConstantValue(node);
- }
- function substituteElementAccessExpression(node) {
- return substituteConstantValue(node);
- }
- function substituteConstantValue(node) {
- var constantValue = tryGetConstEnumValue(node);
- if (constantValue !== undefined) {
- // track the constant value on the node for the printer in needsDotDotForPropertyAccess
- ts.setConstantValue(node, constantValue);
- var substitute = ts.createLiteral(constantValue);
- if (!compilerOptions.removeComments) {
- var originalNode = ts.getOriginalNode(node, ts.isAccessExpression);
- var propertyName = ts.isPropertyAccessExpression(originalNode)
- ? ts.declarationNameToString(originalNode.name)
- : ts.getTextOfNode(originalNode.argumentExpression);
- ts.addSyntheticTrailingComment(substitute, 3 /* MultiLineCommentTrivia */, " " + propertyName + " ");
- }
- return substitute;
- }
- return node;
- }
- function tryGetConstEnumValue(node) {
- if (compilerOptions.isolatedModules) {
- return undefined;
- }
- return ts.isPropertyAccessExpression(node) || ts.isElementAccessExpression(node) ? resolver.getConstantValue(node) : undefined;
- }
- }
- ts.transformTypeScript = transformTypeScript;
- function createDecorateHelper(context, decoratorExpressions, target, memberName, descriptor, location) {
- var argumentsArray = [];
- argumentsArray.push(ts.createArrayLiteral(decoratorExpressions, /*multiLine*/ true));
- argumentsArray.push(target);
- if (memberName) {
- argumentsArray.push(memberName);
- if (descriptor) {
- argumentsArray.push(descriptor);
- }
- }
- context.requestEmitHelper(ts.decorateHelper);
- return ts.setTextRange(ts.createCall(ts.getUnscopedHelperName("__decorate"),
- /*typeArguments*/ undefined, argumentsArray), location);
- }
- ts.decorateHelper = {
- name: "typescript:decorate",
- importName: "__decorate",
- scoped: false,
- priority: 2,
- text: "\n var __decorate = (this && this.__decorate) || function (decorators, target, key, desc) {\n var c = arguments.length, r = c < 3 ? target : desc === null ? desc = Object.getOwnPropertyDescriptor(target, key) : desc, d;\n if (typeof Reflect === \"object\" && typeof Reflect.decorate === \"function\") r = Reflect.decorate(decorators, target, key, desc);\n else for (var i = decorators.length - 1; i >= 0; i--) if (d = decorators[i]) r = (c < 3 ? d(r) : c > 3 ? d(target, key, r) : d(target, key)) || r;\n return c > 3 && r && Object.defineProperty(target, key, r), r;\n };"
- };
- function createMetadataHelper(context, metadataKey, metadataValue) {
- context.requestEmitHelper(ts.metadataHelper);
- return ts.createCall(ts.getUnscopedHelperName("__metadata"),
- /*typeArguments*/ undefined, [
- ts.createLiteral(metadataKey),
- metadataValue
- ]);
- }
- ts.metadataHelper = {
- name: "typescript:metadata",
- importName: "__metadata",
- scoped: false,
- priority: 3,
- text: "\n var __metadata = (this && this.__metadata) || function (k, v) {\n if (typeof Reflect === \"object\" && typeof Reflect.metadata === \"function\") return Reflect.metadata(k, v);\n };"
- };
- function createParamHelper(context, expression, parameterOffset, location) {
- context.requestEmitHelper(ts.paramHelper);
- return ts.setTextRange(ts.createCall(ts.getUnscopedHelperName("__param"),
- /*typeArguments*/ undefined, [
- ts.createLiteral(parameterOffset),
- expression
- ]), location);
- }
- ts.paramHelper = {
- name: "typescript:param",
- importName: "__param",
- scoped: false,
- priority: 4,
- text: "\n var __param = (this && this.__param) || function (paramIndex, decorator) {\n return function (target, key) { decorator(target, key, paramIndex); }\n };"
- };
-})(ts || (ts = {}));
-/*@internal*/
-var ts;
-(function (ts) {
- var ClassPropertySubstitutionFlags;
- (function (ClassPropertySubstitutionFlags) {
- /**
- * Enables substitutions for class expressions with static fields
- * which have initializers that reference the class name.
- */
- ClassPropertySubstitutionFlags[ClassPropertySubstitutionFlags["ClassAliases"] = 1] = "ClassAliases";
- })(ClassPropertySubstitutionFlags || (ClassPropertySubstitutionFlags = {}));
- var PrivateIdentifierPlacement;
- (function (PrivateIdentifierPlacement) {
- PrivateIdentifierPlacement[PrivateIdentifierPlacement["InstanceField"] = 0] = "InstanceField";
- })(PrivateIdentifierPlacement || (PrivateIdentifierPlacement = {}));
- /**
- * Transforms ECMAScript Class Syntax.
- * TypeScript parameter property syntax is transformed in the TypeScript transformer.
- * For now, this transforms public field declarations using TypeScript class semantics,
- * where declarations are elided and initializers are transformed as assignments in the constructor.
- * When --useDefineForClassFields is on, this transforms to ECMAScript semantics, with Object.defineProperty.
- */
- function transformClassFields(context) {
- var hoistVariableDeclaration = context.hoistVariableDeclaration, endLexicalEnvironment = context.endLexicalEnvironment, resumeLexicalEnvironment = context.resumeLexicalEnvironment;
- var resolver = context.getEmitResolver();
- var compilerOptions = context.getCompilerOptions();
- var languageVersion = ts.getEmitScriptTarget(compilerOptions);
- var shouldTransformPrivateFields = languageVersion < 99 /* ESNext */;
- var previousOnSubstituteNode = context.onSubstituteNode;
- context.onSubstituteNode = onSubstituteNode;
- var enabledSubstitutions;
- var classAliases;
- /**
- * Tracks what computed name expressions originating from elided names must be inlined
- * at the next execution site, in document order
- */
- var pendingExpressions;
- /**
- * Tracks what computed name expression statements and static property initializers must be
- * emitted at the next execution site, in document order (for decorated classes).
- */
- var pendingStatements;
- var privateIdentifierEnvironmentStack = [];
- var currentPrivateIdentifierEnvironment;
- return ts.chainBundle(transformSourceFile);
- function transformSourceFile(node) {
- var options = context.getCompilerOptions();
- if (node.isDeclarationFile
- || options.useDefineForClassFields && options.target === 99 /* ESNext */) {
- return node;
- }
- var visited = ts.visitEachChild(node, visitor, context);
- ts.addEmitHelpers(visited, context.readEmitHelpers());
- return visited;
- }
- function visitor(node) {
- if (!(node.transformFlags & 4194304 /* ContainsClassFields */))
- return node;
- switch (node.kind) {
- case 214 /* ClassExpression */:
- case 245 /* ClassDeclaration */:
- return visitClassLike(node);
- case 159 /* PropertyDeclaration */:
- return visitPropertyDeclaration(node);
- case 225 /* VariableStatement */:
- return visitVariableStatement(node);
- case 154 /* ComputedPropertyName */:
- return visitComputedPropertyName(node);
- case 194 /* PropertyAccessExpression */:
- return visitPropertyAccessExpression(node);
- case 207 /* PrefixUnaryExpression */:
- return visitPrefixUnaryExpression(node);
- case 208 /* PostfixUnaryExpression */:
- return visitPostfixUnaryExpression(node, /*valueIsDiscarded*/ false);
- case 196 /* CallExpression */:
- return visitCallExpression(node);
- case 209 /* BinaryExpression */:
- return visitBinaryExpression(node);
- case 76 /* PrivateIdentifier */:
- return visitPrivateIdentifier(node);
- case 226 /* ExpressionStatement */:
- return visitExpressionStatement(node);
- case 230 /* ForStatement */:
- return visitForStatement(node);
- case 198 /* TaggedTemplateExpression */:
- return visitTaggedTemplateExpression(node);
- }
- return ts.visitEachChild(node, visitor, context);
- }
- function visitorDestructuringTarget(node) {
- switch (node.kind) {
- case 193 /* ObjectLiteralExpression */:
- case 192 /* ArrayLiteralExpression */:
- return visitAssignmentPattern(node);
- default:
- return visitor(node);
- }
- }
- /**
- * If we visit a private name, this means it is an undeclared private name.
- * Replace it with an empty identifier to indicate a problem with the code.
- */
- function visitPrivateIdentifier(node) {
- if (!shouldTransformPrivateFields) {
- return node;
- }
- return ts.setOriginalNode(ts.createIdentifier(""), node);
- }
- /**
- * Visits the members of a class that has fields.
- *
- * @param node The node to visit.
- */
- function classElementVisitor(node) {
- switch (node.kind) {
- case 162 /* Constructor */:
- // Constructors for classes using class fields are transformed in
- // `visitClassDeclaration` or `visitClassExpression`.
- return undefined;
- case 163 /* GetAccessor */:
- case 164 /* SetAccessor */:
- case 161 /* MethodDeclaration */:
- // Visit the name of the member (if it's a computed property name).
- return ts.visitEachChild(node, classElementVisitor, context);
- case 159 /* PropertyDeclaration */:
- return visitPropertyDeclaration(node);
- case 154 /* ComputedPropertyName */:
- return visitComputedPropertyName(node);
- case 222 /* SemicolonClassElement */:
- return node;
- default:
- return visitor(node);
- }
- }
- function visitVariableStatement(node) {
- var savedPendingStatements = pendingStatements;
- pendingStatements = [];
- var visitedNode = ts.visitEachChild(node, visitor, context);
- var statement = ts.some(pendingStatements) ? __spreadArrays([visitedNode], pendingStatements) :
- visitedNode;
- pendingStatements = savedPendingStatements;
- return statement;
- }
- function visitComputedPropertyName(name) {
- var node = ts.visitEachChild(name, visitor, context);
- if (ts.some(pendingExpressions)) {
- var expressions = pendingExpressions;
- expressions.push(name.expression);
- pendingExpressions = [];
- node = ts.updateComputedPropertyName(node, ts.inlineExpressions(expressions));
- }
- return node;
- }
- function visitPropertyDeclaration(node) {
- ts.Debug.assert(!ts.some(node.decorators));
- if (!shouldTransformPrivateFields && ts.isPrivateIdentifier(node.name)) {
- // Initializer is elided as the field is initialized in transformConstructor.
- return ts.updateProperty(node,
- /*decorators*/ undefined, ts.visitNodes(node.modifiers, visitor, ts.isModifier), node.name,
- /*questionOrExclamationToken*/ undefined,
- /*type*/ undefined,
- /*initializer*/ undefined);
- }
- // Create a temporary variable to store a computed property name (if necessary).
- // If it's not inlineable, then we emit an expression after the class which assigns
- // the property name to the temporary variable.
- var expr = getPropertyNameExpressionIfNeeded(node.name, !!node.initializer || !!context.getCompilerOptions().useDefineForClassFields);
- if (expr && !ts.isSimpleInlineableExpression(expr)) {
- (pendingExpressions || (pendingExpressions = [])).push(expr);
- }
- return undefined;
- }
- function createPrivateIdentifierAccess(info, receiver) {
- receiver = ts.visitNode(receiver, visitor, ts.isExpression);
- switch (info.placement) {
- case 0 /* InstanceField */:
- return createClassPrivateFieldGetHelper(context, ts.nodeIsSynthesized(receiver) ? receiver : ts.getSynthesizedClone(receiver), info.weakMapName);
- default: return ts.Debug.fail("Unexpected private identifier placement");
- }
- }
- function visitPropertyAccessExpression(node) {
- if (shouldTransformPrivateFields && ts.isPrivateIdentifier(node.name)) {
- var privateIdentifierInfo = accessPrivateIdentifier(node.name);
- if (privateIdentifierInfo) {
- return ts.setOriginalNode(createPrivateIdentifierAccess(privateIdentifierInfo, node.expression), node);
- }
- }
- return ts.visitEachChild(node, visitor, context);
- }
- function visitPrefixUnaryExpression(node) {
- if (shouldTransformPrivateFields && ts.isPrivateIdentifierPropertyAccessExpression(node.operand)) {
- var operator = node.operator === 45 /* PlusPlusToken */ ?
- 39 /* PlusToken */ : node.operator === 46 /* MinusMinusToken */ ?
- 40 /* MinusToken */ : undefined;
- var info = void 0;
- if (operator && (info = accessPrivateIdentifier(node.operand.name))) {
- var receiver = ts.visitNode(node.operand.expression, visitor, ts.isExpression);
- var _a = createCopiableReceiverExpr(receiver), readExpression = _a.readExpression, initializeExpression = _a.initializeExpression;
- var existingValue = ts.createPrefix(39 /* PlusToken */, createPrivateIdentifierAccess(info, readExpression));
- return ts.setOriginalNode(createPrivateIdentifierAssignment(info, initializeExpression || readExpression, ts.createBinary(existingValue, operator, ts.createLiteral(1)), 62 /* EqualsToken */), node);
- }
- }
- return ts.visitEachChild(node, visitor, context);
- }
- function visitPostfixUnaryExpression(node, valueIsDiscarded) {
- if (shouldTransformPrivateFields && ts.isPrivateIdentifierPropertyAccessExpression(node.operand)) {
- var operator = node.operator === 45 /* PlusPlusToken */ ?
- 39 /* PlusToken */ : node.operator === 46 /* MinusMinusToken */ ?
- 40 /* MinusToken */ : undefined;
- var info = void 0;
- if (operator && (info = accessPrivateIdentifier(node.operand.name))) {
- var receiver = ts.visitNode(node.operand.expression, visitor, ts.isExpression);
- var _a = createCopiableReceiverExpr(receiver), readExpression = _a.readExpression, initializeExpression = _a.initializeExpression;
- var existingValue = ts.createPrefix(39 /* PlusToken */, createPrivateIdentifierAccess(info, readExpression));
- // Create a temporary variable to store the value returned by the expression.
- var returnValue = valueIsDiscarded ? undefined : ts.createTempVariable(hoistVariableDeclaration);
- return ts.setOriginalNode(ts.inlineExpressions(ts.compact([
- createPrivateIdentifierAssignment(info, initializeExpression || readExpression, ts.createBinary(returnValue ? ts.createAssignment(returnValue, existingValue) : existingValue, operator, ts.createLiteral(1)), 62 /* EqualsToken */),
- returnValue
- ])), node);
- }
- }
- return ts.visitEachChild(node, visitor, context);
- }
- function visitForStatement(node) {
- if (node.incrementor && ts.isPostfixUnaryExpression(node.incrementor)) {
- return ts.updateFor(node, ts.visitNode(node.initializer, visitor, ts.isForInitializer), ts.visitNode(node.condition, visitor, ts.isExpression), visitPostfixUnaryExpression(node.incrementor, /*valueIsDiscarded*/ true), ts.visitNode(node.statement, visitor, ts.isStatement));
- }
- return ts.visitEachChild(node, visitor, context);
- }
- function visitExpressionStatement(node) {
- if (ts.isPostfixUnaryExpression(node.expression)) {
- return ts.updateExpressionStatement(node, visitPostfixUnaryExpression(node.expression, /*valueIsDiscarded*/ true));
- }
- return ts.visitEachChild(node, visitor, context);
- }
- function createCopiableReceiverExpr(receiver) {
- var clone = ts.nodeIsSynthesized(receiver) ? receiver : ts.getSynthesizedClone(receiver);
- if (ts.isSimpleInlineableExpression(receiver)) {
- return { readExpression: clone, initializeExpression: undefined };
- }
- var readExpression = ts.createTempVariable(hoistVariableDeclaration);
- var initializeExpression = ts.createAssignment(readExpression, clone);
- return { readExpression: readExpression, initializeExpression: initializeExpression };
- }
- function visitCallExpression(node) {
- if (shouldTransformPrivateFields && ts.isPrivateIdentifierPropertyAccessExpression(node.expression)) {
- // Transform call expressions of private names to properly bind the `this` parameter.
- var _a = ts.createCallBinding(node.expression, hoistVariableDeclaration, languageVersion), thisArg = _a.thisArg, target = _a.target;
- return ts.updateCall(node, ts.createPropertyAccess(ts.visitNode(target, visitor), "call"),
- /*typeArguments*/ undefined, __spreadArrays([ts.visitNode(thisArg, visitor, ts.isExpression)], ts.visitNodes(node.arguments, visitor, ts.isExpression)));
- }
- return ts.visitEachChild(node, visitor, context);
- }
- function visitTaggedTemplateExpression(node) {
- if (shouldTransformPrivateFields && ts.isPrivateIdentifierPropertyAccessExpression(node.tag)) {
- // Bind the `this` correctly for tagged template literals when the tag is a private identifier property access.
- var _a = ts.createCallBinding(node.tag, hoistVariableDeclaration, languageVersion), thisArg = _a.thisArg, target = _a.target;
- return ts.updateTaggedTemplate(node, ts.createCall(ts.createPropertyAccess(ts.visitNode(target, visitor), "bind"),
- /*typeArguments*/ undefined, [ts.visitNode(thisArg, visitor, ts.isExpression)]), ts.visitNode(node.template, visitor, ts.isTemplateLiteral));
- }
- return ts.visitEachChild(node, visitor, context);
- }
- function visitBinaryExpression(node) {
- if (shouldTransformPrivateFields) {
- if (ts.isDestructuringAssignment(node)) {
- var savedPendingExpressions = pendingExpressions;
- pendingExpressions = undefined;
- node = ts.updateBinary(node, ts.visitNode(node.left, visitorDestructuringTarget), ts.visitNode(node.right, visitor), node.operatorToken);
- var expr = ts.some(pendingExpressions) ?
- ts.inlineExpressions(ts.compact(__spreadArrays(pendingExpressions, [node]))) :
- node;
- pendingExpressions = savedPendingExpressions;
- return expr;
- }
- if (ts.isAssignmentExpression(node) && ts.isPrivateIdentifierPropertyAccessExpression(node.left)) {
- var info = accessPrivateIdentifier(node.left.name);
- if (info) {
- return ts.setOriginalNode(createPrivateIdentifierAssignment(info, node.left.expression, node.right, node.operatorToken.kind), node);
- }
- }
- }
- return ts.visitEachChild(node, visitor, context);
- }
- function createPrivateIdentifierAssignment(info, receiver, right, operator) {
- switch (info.placement) {
- case 0 /* InstanceField */: {
- return createPrivateIdentifierInstanceFieldAssignment(info, receiver, right, operator);
- }
- default: return ts.Debug.fail("Unexpected private identifier placement");
- }
- }
- function createPrivateIdentifierInstanceFieldAssignment(info, receiver, right, operator) {
- receiver = ts.visitNode(receiver, visitor, ts.isExpression);
- right = ts.visitNode(right, visitor, ts.isExpression);
- if (ts.isCompoundAssignment(operator)) {
- var _a = createCopiableReceiverExpr(receiver), readExpression = _a.readExpression, initializeExpression = _a.initializeExpression;
- return createClassPrivateFieldSetHelper(context, initializeExpression || readExpression, info.weakMapName, ts.createBinary(createClassPrivateFieldGetHelper(context, readExpression, info.weakMapName), ts.getNonAssignmentOperatorForCompoundAssignment(operator), right));
- }
- else {
- return createClassPrivateFieldSetHelper(context, receiver, info.weakMapName, right);
- }
- }
- /**
- * Set up the environment for a class.
- */
- function visitClassLike(node) {
- var savedPendingExpressions = pendingExpressions;
- pendingExpressions = undefined;
- if (shouldTransformPrivateFields) {
- startPrivateIdentifierEnvironment();
- }
- var result = ts.isClassDeclaration(node) ?
- visitClassDeclaration(node) :
- visitClassExpression(node);
- if (shouldTransformPrivateFields) {
- endPrivateIdentifierEnvironment();
- }
- pendingExpressions = savedPendingExpressions;
- return result;
- }
- function doesClassElementNeedTransform(node) {
- return ts.isPropertyDeclaration(node) || (shouldTransformPrivateFields && node.name && ts.isPrivateIdentifier(node.name));
- }
- function visitClassDeclaration(node) {
- if (!ts.forEach(node.members, doesClassElementNeedTransform)) {
- return ts.visitEachChild(node, visitor, context);
- }
- var extendsClauseElement = ts.getEffectiveBaseTypeNode(node);
- var isDerivedClass = !!(extendsClauseElement && ts.skipOuterExpressions(extendsClauseElement.expression).kind !== 100 /* NullKeyword */);
- var statements = [
- ts.updateClassDeclaration(node,
- /*decorators*/ undefined, node.modifiers, node.name,
- /*typeParameters*/ undefined, ts.visitNodes(node.heritageClauses, visitor, ts.isHeritageClause), transformClassMembers(node, isDerivedClass))
- ];
- // Write any pending expressions from elided or moved computed property names
- if (ts.some(pendingExpressions)) {
- statements.push(ts.createExpressionStatement(ts.inlineExpressions(pendingExpressions)));
- }
- // Emit static property assignment. Because classDeclaration is lexically evaluated,
- // it is safe to emit static property assignment after classDeclaration
- // From ES6 specification:
- // HasLexicalDeclaration (N) : Determines if the argument identifier has a binding in this environment record that was created using
- // a lexical declaration such as a LexicalDeclaration or a ClassDeclaration.
- var staticProperties = ts.getProperties(node, /*requireInitializer*/ true, /*isStatic*/ true);
- if (ts.some(staticProperties)) {
- addPropertyStatements(statements, staticProperties, ts.getInternalName(node));
- }
- return statements;
- }
- function visitClassExpression(node) {
- if (!ts.forEach(node.members, doesClassElementNeedTransform)) {
- return ts.visitEachChild(node, visitor, context);
- }
- // If this class expression is a transformation of a decorated class declaration,
- // then we want to output the pendingExpressions as statements, not as inlined
- // expressions with the class statement.
- //
- // In this case, we use pendingStatements to produce the same output as the
- // class declaration transformation. The VariableStatement visitor will insert
- // these statements after the class expression variable statement.
- var isDecoratedClassDeclaration = ts.isClassDeclaration(ts.getOriginalNode(node));
- var staticProperties = ts.getProperties(node, /*requireInitializer*/ true, /*isStatic*/ true);
- var extendsClauseElement = ts.getEffectiveBaseTypeNode(node);
- var isDerivedClass = !!(extendsClauseElement && ts.skipOuterExpressions(extendsClauseElement.expression).kind !== 100 /* NullKeyword */);
- var classExpression = ts.updateClassExpression(node, node.modifiers, node.name,
- /*typeParameters*/ undefined, ts.visitNodes(node.heritageClauses, visitor, ts.isHeritageClause), transformClassMembers(node, isDerivedClass));
- if (ts.some(staticProperties) || ts.some(pendingExpressions)) {
- if (isDecoratedClassDeclaration) {
- ts.Debug.assertIsDefined(pendingStatements, "Decorated classes transformed by TypeScript are expected to be within a variable declaration.");
- // Write any pending expressions from elided or moved computed property names
- if (pendingStatements && pendingExpressions && ts.some(pendingExpressions)) {
- pendingStatements.push(ts.createExpressionStatement(ts.inlineExpressions(pendingExpressions)));
- }
- if (pendingStatements && ts.some(staticProperties)) {
- addPropertyStatements(pendingStatements, staticProperties, ts.getInternalName(node));
- }
- return classExpression;
- }
- else {
- var expressions = [];
- var isClassWithConstructorReference = resolver.getNodeCheckFlags(node) & 16777216 /* ClassWithConstructorReference */;
- var temp = ts.createTempVariable(hoistVariableDeclaration, !!isClassWithConstructorReference);
- if (isClassWithConstructorReference) {
- // record an alias as the class name is not in scope for statics.
- enableSubstitutionForClassAliases();
- var alias = ts.getSynthesizedClone(temp);
- alias.autoGenerateFlags &= ~8 /* ReservedInNestedScopes */;
- classAliases[ts.getOriginalNodeId(node)] = alias;
- }
- // To preserve the behavior of the old emitter, we explicitly indent
- // the body of a class with static initializers.
- ts.setEmitFlags(classExpression, 65536 /* Indented */ | ts.getEmitFlags(classExpression));
- expressions.push(ts.startOnNewLine(ts.createAssignment(temp, classExpression)));
- // Add any pending expressions leftover from elided or relocated computed property names
- ts.addRange(expressions, ts.map(pendingExpressions, ts.startOnNewLine));
- ts.addRange(expressions, generateInitializedPropertyExpressions(staticProperties, temp));
- expressions.push(ts.startOnNewLine(temp));
- return ts.inlineExpressions(expressions);
- }
- }
- return classExpression;
- }
- function transformClassMembers(node, isDerivedClass) {
- if (shouldTransformPrivateFields) {
- // Declare private names.
- for (var _i = 0, _a = node.members; _i < _a.length; _i++) {
- var member = _a[_i];
- if (ts.isPrivateIdentifierPropertyDeclaration(member)) {
- addPrivateIdentifierToEnvironment(member.name);
- }
- }
- }
- var members = [];
- var constructor = transformConstructor(node, isDerivedClass);
- if (constructor) {
- members.push(constructor);
- }
- ts.addRange(members, ts.visitNodes(node.members, classElementVisitor, ts.isClassElement));
- return ts.setTextRange(ts.createNodeArray(members), /*location*/ node.members);
- }
- function isPropertyDeclarationThatRequiresConstructorStatement(member) {
- if (!ts.isPropertyDeclaration(member) || ts.hasStaticModifier(member)) {
- return false;
- }
- if (context.getCompilerOptions().useDefineForClassFields) {
- // If we are using define semantics and targeting ESNext or higher,
- // then we don't need to transform any class properties.
- return languageVersion < 99 /* ESNext */;
- }
- return ts.isInitializedProperty(member) || shouldTransformPrivateFields && ts.isPrivateIdentifierPropertyDeclaration(member);
- }
- function transformConstructor(node, isDerivedClass) {
- var constructor = ts.visitNode(ts.getFirstConstructorWithBody(node), visitor, ts.isConstructorDeclaration);
- var properties = node.members.filter(isPropertyDeclarationThatRequiresConstructorStatement);
- if (!ts.some(properties)) {
- return constructor;
- }
- var parameters = ts.visitParameterList(constructor ? constructor.parameters : undefined, visitor, context);
- var body = transformConstructorBody(node, constructor, isDerivedClass);
- if (!body) {
- return undefined;
- }
- return ts.startOnNewLine(ts.setOriginalNode(ts.setTextRange(ts.createConstructor(
- /*decorators*/ undefined,
- /*modifiers*/ undefined, parameters !== null && parameters !== void 0 ? parameters : [], body), constructor || node), constructor));
- }
- function transformConstructorBody(node, constructor, isDerivedClass) {
- var useDefineForClassFields = context.getCompilerOptions().useDefineForClassFields;
- var properties = ts.getProperties(node, /*requireInitializer*/ false, /*isStatic*/ false);
- if (!useDefineForClassFields) {
- properties = ts.filter(properties, function (property) { return !!property.initializer || ts.isPrivateIdentifier(property.name); });
- }
- // Only generate synthetic constructor when there are property initializers to move.
- if (!constructor && !ts.some(properties)) {
- return ts.visitFunctionBody(/*node*/ undefined, visitor, context);
- }
- resumeLexicalEnvironment();
- var indexOfFirstStatement = 0;
- var statements = [];
- if (!constructor && isDerivedClass) {
- // Add a synthetic `super` call:
- //
- // super(...arguments);
- //
- statements.push(ts.createExpressionStatement(ts.createCall(ts.createSuper(),
- /*typeArguments*/ undefined, [ts.createSpread(ts.createIdentifier("arguments"))])));
- }
- if (constructor) {
- indexOfFirstStatement = ts.addPrologueDirectivesAndInitialSuperCall(constructor, statements, visitor);
- }
- // Add the property initializers. Transforms this:
- //
- // public x = 1;
- //
- // Into this:
- //
- // constructor() {
- // this.x = 1;
- // }
- //
- if (constructor === null || constructor === void 0 ? void 0 : constructor.body) {
- var afterParameterProperties = ts.findIndex(constructor.body.statements, function (s) { return !ts.isParameterPropertyDeclaration(ts.getOriginalNode(s), constructor); }, indexOfFirstStatement);
- if (afterParameterProperties === -1) {
- afterParameterProperties = constructor.body.statements.length;
- }
- if (afterParameterProperties > indexOfFirstStatement) {
- if (!useDefineForClassFields) {
- ts.addRange(statements, ts.visitNodes(constructor.body.statements, visitor, ts.isStatement, indexOfFirstStatement, afterParameterProperties - indexOfFirstStatement));
- }
- indexOfFirstStatement = afterParameterProperties;
- }
- }
- addPropertyStatements(statements, properties, ts.createThis());
- // Add existing statements, skipping the initial super call.
- if (constructor) {
- ts.addRange(statements, ts.visitNodes(constructor.body.statements, visitor, ts.isStatement, indexOfFirstStatement));
- }
- statements = ts.mergeLexicalEnvironment(statements, endLexicalEnvironment());
- return ts.setTextRange(ts.createBlock(ts.setTextRange(ts.createNodeArray(statements),
- /*location*/ constructor ? constructor.body.statements : node.members),
- /*multiLine*/ true),
- /*location*/ constructor ? constructor.body : undefined);
- }
- /**
- * Generates assignment statements for property initializers.
- *
- * @param properties An array of property declarations to transform.
- * @param receiver The receiver on which each property should be assigned.
- */
- function addPropertyStatements(statements, properties, receiver) {
- for (var _i = 0, properties_8 = properties; _i < properties_8.length; _i++) {
- var property = properties_8[_i];
- var expression = transformProperty(property, receiver);
- if (!expression) {
- continue;
- }
- var statement = ts.createExpressionStatement(expression);
- ts.setSourceMapRange(statement, ts.moveRangePastModifiers(property));
- ts.setCommentRange(statement, property);
- ts.setOriginalNode(statement, property);
- statements.push(statement);
- }
- }
- /**
- * Generates assignment expressions for property initializers.
- *
- * @param properties An array of property declarations to transform.
- * @param receiver The receiver on which each property should be assigned.
- */
- function generateInitializedPropertyExpressions(properties, receiver) {
- var expressions = [];
- for (var _i = 0, properties_9 = properties; _i < properties_9.length; _i++) {
- var property = properties_9[_i];
- var expression = transformProperty(property, receiver);
- if (!expression) {
- continue;
- }
- ts.startOnNewLine(expression);
- ts.setSourceMapRange(expression, ts.moveRangePastModifiers(property));
- ts.setCommentRange(expression, property);
- ts.setOriginalNode(expression, property);
- expressions.push(expression);
- }
- return expressions;
- }
- /**
- * Transforms a property initializer into an assignment statement.
- *
- * @param property The property declaration.
- * @param receiver The object receiving the property assignment.
- */
- function transformProperty(property, receiver) {
- // We generate a name here in order to reuse the value cached by the relocated computed name expression (which uses the same generated name)
- var emitAssignment = !context.getCompilerOptions().useDefineForClassFields;
- var propertyName = ts.isComputedPropertyName(property.name) && !ts.isSimpleInlineableExpression(property.name.expression)
- ? ts.updateComputedPropertyName(property.name, ts.getGeneratedNameForNode(property.name))
- : property.name;
- if (shouldTransformPrivateFields && ts.isPrivateIdentifier(propertyName)) {
- var privateIdentifierInfo = accessPrivateIdentifier(propertyName);
- if (privateIdentifierInfo) {
- switch (privateIdentifierInfo.placement) {
- case 0 /* InstanceField */: {
- return createPrivateInstanceFieldInitializer(receiver, ts.visitNode(property.initializer, visitor, ts.isExpression), privateIdentifierInfo.weakMapName);
- }
- }
- }
- else {
- ts.Debug.fail("Undeclared private name for property declaration.");
- }
- }
- if (ts.isPrivateIdentifier(propertyName) && !property.initializer) {
- return undefined;
- }
- if (ts.isPrivateIdentifier(propertyName) && !property.initializer) {
- return undefined;
- }
- var propertyOriginalNode = ts.getOriginalNode(property);
- var initializer = property.initializer || emitAssignment ? ts.visitNode(property.initializer, visitor, ts.isExpression)
- : ts.isParameterPropertyDeclaration(propertyOriginalNode, propertyOriginalNode.parent) && ts.isIdentifier(propertyName) ? propertyName
- : ts.createVoidZero();
- if (emitAssignment || ts.isPrivateIdentifier(propertyName)) {
- var memberAccess = ts.createMemberAccessForPropertyName(receiver, propertyName, /*location*/ propertyName);
- return ts.createAssignment(memberAccess, initializer);
- }
- else {
- var name = ts.isComputedPropertyName(propertyName) ? propertyName.expression
- : ts.isIdentifier(propertyName) ? ts.createStringLiteral(ts.unescapeLeadingUnderscores(propertyName.escapedText))
- : propertyName;
- var descriptor = ts.createPropertyDescriptor({ value: initializer, configurable: true, writable: true, enumerable: true });
- return ts.createObjectDefinePropertyCall(receiver, name, descriptor);
- }
- }
- function enableSubstitutionForClassAliases() {
- if ((enabledSubstitutions & 1 /* ClassAliases */) === 0) {
- enabledSubstitutions |= 1 /* ClassAliases */;
- // We need to enable substitutions for identifiers. This allows us to
- // substitute class names inside of a class declaration.
- context.enableSubstitution(75 /* Identifier */);
- // Keep track of class aliases.
- classAliases = [];
- }
- }
- /**
- * Hooks node substitutions.
- *
- * @param hint The context for the emitter.
- * @param node The node to substitute.
- */
- function onSubstituteNode(hint, node) {
- node = previousOnSubstituteNode(hint, node);
- if (hint === 1 /* Expression */) {
- return substituteExpression(node);
- }
- return node;
- }
- function substituteExpression(node) {
- switch (node.kind) {
- case 75 /* Identifier */:
- return substituteExpressionIdentifier(node);
- }
- return node;
- }
- function substituteExpressionIdentifier(node) {
- return trySubstituteClassAlias(node) || node;
- }
- function trySubstituteClassAlias(node) {
- if (enabledSubstitutions & 1 /* ClassAliases */) {
- if (resolver.getNodeCheckFlags(node) & 33554432 /* ConstructorReferenceInClass */) {
- // Due to the emit for class decorators, any reference to the class from inside of the class body
- // must instead be rewritten to point to a temporary variable to avoid issues with the double-bind
- // behavior of class names in ES6.
- // Also, when emitting statics for class expressions, we must substitute a class alias for
- // constructor references in static property initializers.
- var declaration = resolver.getReferencedValueDeclaration(node);
- if (declaration) {
- var classAlias = classAliases[declaration.id]; // TODO: GH#18217
- if (classAlias) {
- var clone_2 = ts.getSynthesizedClone(classAlias);
- ts.setSourceMapRange(clone_2, node);
- ts.setCommentRange(clone_2, node);
- return clone_2;
- }
- }
- }
- }
- return undefined;
- }
- /**
- * If the name is a computed property, this function transforms it, then either returns an expression which caches the
- * value of the result or the expression itself if the value is either unused or safe to inline into multiple locations
- * @param shouldHoist Does the expression need to be reused? (ie, for an initializer or a decorator)
- */
- function getPropertyNameExpressionIfNeeded(name, shouldHoist) {
- if (ts.isComputedPropertyName(name)) {
- var expression = ts.visitNode(name.expression, visitor, ts.isExpression);
- var innerExpression = ts.skipPartiallyEmittedExpressions(expression);
- var inlinable = ts.isSimpleInlineableExpression(innerExpression);
- var alreadyTransformed = ts.isAssignmentExpression(innerExpression) && ts.isGeneratedIdentifier(innerExpression.left);
- if (!alreadyTransformed && !inlinable && shouldHoist) {
- var generatedName = ts.getGeneratedNameForNode(name);
- hoistVariableDeclaration(generatedName);
- return ts.createAssignment(generatedName, expression);
- }
- return (inlinable || ts.isIdentifier(innerExpression)) ? undefined : expression;
- }
- }
- function startPrivateIdentifierEnvironment() {
- privateIdentifierEnvironmentStack.push(currentPrivateIdentifierEnvironment);
- currentPrivateIdentifierEnvironment = undefined;
- }
- function endPrivateIdentifierEnvironment() {
- currentPrivateIdentifierEnvironment = privateIdentifierEnvironmentStack.pop();
- }
- function addPrivateIdentifierToEnvironment(name) {
- var text = ts.getTextOfPropertyName(name);
- var weakMapName = ts.createOptimisticUniqueName("_" + text.substring(1));
- weakMapName.autoGenerateFlags |= 8 /* ReservedInNestedScopes */;
- hoistVariableDeclaration(weakMapName);
- (currentPrivateIdentifierEnvironment || (currentPrivateIdentifierEnvironment = ts.createUnderscoreEscapedMap()))
- .set(name.escapedText, { placement: 0 /* InstanceField */, weakMapName: weakMapName });
- (pendingExpressions || (pendingExpressions = [])).push(ts.createAssignment(weakMapName, ts.createNew(ts.createIdentifier("WeakMap"),
- /*typeArguments*/ undefined, [])));
- }
- function accessPrivateIdentifier(name) {
- if (currentPrivateIdentifierEnvironment) {
- var info = currentPrivateIdentifierEnvironment.get(name.escapedText);
- if (info) {
- return info;
- }
- }
- for (var i = privateIdentifierEnvironmentStack.length - 1; i >= 0; --i) {
- var env = privateIdentifierEnvironmentStack[i];
- if (!env) {
- continue;
- }
- var info = env.get(name.escapedText);
- if (info) {
- return info;
- }
- }
- return undefined;
- }
- function wrapPrivateIdentifierForDestructuringTarget(node) {
- var parameter = ts.getGeneratedNameForNode(node);
- var info = accessPrivateIdentifier(node.name);
- if (!info) {
- return ts.visitEachChild(node, visitor, context);
- }
- var receiver = node.expression;
- // We cannot copy `this` or `super` into the function because they will be bound
- // differently inside the function.
- if (ts.isThisProperty(node) || ts.isSuperProperty(node) || !ts.isSimpleCopiableExpression(node.expression)) {
- receiver = ts.createTempVariable(hoistVariableDeclaration);
- receiver.autoGenerateFlags |= 8 /* ReservedInNestedScopes */;
- (pendingExpressions || (pendingExpressions = [])).push(ts.createBinary(receiver, 62 /* EqualsToken */, node.expression));
- }
- return ts.createPropertyAccess(
- // Explicit parens required because of v8 regression (https://bugs.chromium.org/p/v8/issues/detail?id=9560)
- ts.createParen(ts.createObjectLiteral([
- ts.createSetAccessor(
- /*decorators*/ undefined,
- /*modifiers*/ undefined, "value", [ts.createParameter(
- /*decorators*/ undefined,
- /*modifiers*/ undefined,
- /*dotDotDotToken*/ undefined, parameter,
- /*questionToken*/ undefined,
- /*type*/ undefined,
- /*initializer*/ undefined)], ts.createBlock([ts.createExpressionStatement(createPrivateIdentifierAssignment(info, receiver, parameter, 62 /* EqualsToken */))]))
- ])), "value");
- }
- function visitArrayAssignmentTarget(node) {
- var target = ts.getTargetOfBindingOrAssignmentElement(node);
- if (target && ts.isPrivateIdentifierPropertyAccessExpression(target)) {
- var wrapped = wrapPrivateIdentifierForDestructuringTarget(target);
- if (ts.isAssignmentExpression(node)) {
- return ts.updateBinary(node, wrapped, ts.visitNode(node.right, visitor, ts.isExpression), node.operatorToken);
- }
- else if (ts.isSpreadElement(node)) {
- return ts.updateSpread(node, wrapped);
- }
- else {
- return wrapped;
- }
- }
- return ts.visitNode(node, visitorDestructuringTarget);
- }
- function visitObjectAssignmentTarget(node) {
- if (ts.isPropertyAssignment(node)) {
- var target = ts.getTargetOfBindingOrAssignmentElement(node);
- if (target && ts.isPrivateIdentifierPropertyAccessExpression(target)) {
- var initializer = ts.getInitializerOfBindingOrAssignmentElement(node);
- var wrapped = wrapPrivateIdentifierForDestructuringTarget(target);
- return ts.updatePropertyAssignment(node, ts.visitNode(node.name, visitor), initializer ? ts.createAssignment(wrapped, ts.visitNode(initializer, visitor)) : wrapped);
- }
- return ts.updatePropertyAssignment(node, ts.visitNode(node.name, visitor), ts.visitNode(node.initializer, visitorDestructuringTarget));
- }
- return ts.visitNode(node, visitor);
- }
- function visitAssignmentPattern(node) {
- if (ts.isArrayLiteralExpression(node)) {
- // Transforms private names in destructuring assignment array bindings.
- //
- // Source:
- // ([ this.#myProp ] = [ "hello" ]);
- //
- // Transformation:
- // [ { set value(x) { this.#myProp = x; } }.value ] = [ "hello" ];
- return ts.updateArrayLiteral(node, ts.visitNodes(node.elements, visitArrayAssignmentTarget, ts.isExpression));
- }
- else {
- // Transforms private names in destructuring assignment object bindings.
- //
- // Source:
- // ({ stringProperty: this.#myProp } = { stringProperty: "hello" });
- //
- // Transformation:
- // ({ stringProperty: { set value(x) { this.#myProp = x; } }.value }) = { stringProperty: "hello" };
- return ts.updateObjectLiteral(node, ts.visitNodes(node.properties, visitObjectAssignmentTarget, ts.isObjectLiteralElementLike));
- }
- }
- }
- ts.transformClassFields = transformClassFields;
- function createPrivateInstanceFieldInitializer(receiver, initializer, weakMapName) {
- return ts.createCall(ts.createPropertyAccess(weakMapName, "set"),
- /*typeArguments*/ undefined, [receiver, initializer || ts.createVoidZero()]);
- }
- ts.classPrivateFieldGetHelper = {
- name: "typescript:classPrivateFieldGet",
- scoped: false,
- text: "\n var __classPrivateFieldGet = (this && this.__classPrivateFieldGet) || function (receiver, privateMap) {\n if (!privateMap.has(receiver)) {\n throw new TypeError(\"attempted to get private field on non-instance\");\n }\n return privateMap.get(receiver);\n };"
- };
- function createClassPrivateFieldGetHelper(context, receiver, privateField) {
- context.requestEmitHelper(ts.classPrivateFieldGetHelper);
- return ts.createCall(ts.getUnscopedHelperName("__classPrivateFieldGet"), /* typeArguments */ undefined, [receiver, privateField]);
- }
- ts.classPrivateFieldSetHelper = {
- name: "typescript:classPrivateFieldSet",
- scoped: false,
- text: "\n var __classPrivateFieldSet = (this && this.__classPrivateFieldSet) || function (receiver, privateMap, value) {\n if (!privateMap.has(receiver)) {\n throw new TypeError(\"attempted to set private field on non-instance\");\n }\n privateMap.set(receiver, value);\n return value;\n };"
- };
- function createClassPrivateFieldSetHelper(context, receiver, privateField, value) {
- context.requestEmitHelper(ts.classPrivateFieldSetHelper);
- return ts.createCall(ts.getUnscopedHelperName("__classPrivateFieldSet"), /* typeArguments */ undefined, [receiver, privateField, value]);
- }
-})(ts || (ts = {}));
-/*@internal*/
-var ts;
-(function (ts) {
- var ES2017SubstitutionFlags;
- (function (ES2017SubstitutionFlags) {
- /** Enables substitutions for async methods with `super` calls. */
- ES2017SubstitutionFlags[ES2017SubstitutionFlags["AsyncMethodsWithSuper"] = 1] = "AsyncMethodsWithSuper";
- })(ES2017SubstitutionFlags || (ES2017SubstitutionFlags = {}));
- var ContextFlags;
- (function (ContextFlags) {
- ContextFlags[ContextFlags["NonTopLevel"] = 1] = "NonTopLevel";
- ContextFlags[ContextFlags["HasLexicalThis"] = 2] = "HasLexicalThis";
- })(ContextFlags || (ContextFlags = {}));
- function transformES2017(context) {
- var resumeLexicalEnvironment = context.resumeLexicalEnvironment, endLexicalEnvironment = context.endLexicalEnvironment, hoistVariableDeclaration = context.hoistVariableDeclaration;
- var resolver = context.getEmitResolver();
- var compilerOptions = context.getCompilerOptions();
- var languageVersion = ts.getEmitScriptTarget(compilerOptions);
- /**
- * Keeps track of whether expression substitution has been enabled for specific edge cases.
- * They are persisted between each SourceFile transformation and should not be reset.
- */
- var enabledSubstitutions;
- /**
- * This keeps track of containers where `super` is valid, for use with
- * just-in-time substitution for `super` expressions inside of async methods.
- */
- var enclosingSuperContainerFlags = 0;
- var enclosingFunctionParameterNames;
- /**
- * Keeps track of property names accessed on super (`super.x`) within async functions.
- */
- var capturedSuperProperties;
- /** Whether the async function contains an element access on super (`super[x]`). */
- var hasSuperElementAccess;
- /** A set of node IDs for generated super accessors (variable statements). */
- var substitutedSuperAccessors = [];
- var contextFlags = 0;
- // Save the previous transformation hooks.
- var previousOnEmitNode = context.onEmitNode;
- var previousOnSubstituteNode = context.onSubstituteNode;
- // Set new transformation hooks.
- context.onEmitNode = onEmitNode;
- context.onSubstituteNode = onSubstituteNode;
- return ts.chainBundle(transformSourceFile);
- function transformSourceFile(node) {
- if (node.isDeclarationFile) {
- return node;
- }
- setContextFlag(1 /* NonTopLevel */, false);
- setContextFlag(2 /* HasLexicalThis */, !ts.isEffectiveStrictModeSourceFile(node, compilerOptions));
- var visited = ts.visitEachChild(node, visitor, context);
- ts.addEmitHelpers(visited, context.readEmitHelpers());
- return visited;
- }
- function setContextFlag(flag, val) {
- contextFlags = val ? contextFlags | flag : contextFlags & ~flag;
- }
- function inContext(flags) {
- return (contextFlags & flags) !== 0;
- }
- function inTopLevelContext() {
- return !inContext(1 /* NonTopLevel */);
- }
- function inHasLexicalThisContext() {
- return inContext(2 /* HasLexicalThis */);
- }
- function doWithContext(flags, cb, value) {
- var contextFlagsToSet = flags & ~contextFlags;
- if (contextFlagsToSet) {
- setContextFlag(contextFlagsToSet, /*val*/ true);
- var result = cb(value);
- setContextFlag(contextFlagsToSet, /*val*/ false);
- return result;
- }
- return cb(value);
- }
- function visitDefault(node) {
- return ts.visitEachChild(node, visitor, context);
- }
- function visitor(node) {
- if ((node.transformFlags & 64 /* ContainsES2017 */) === 0) {
- return node;
- }
- switch (node.kind) {
- case 126 /* AsyncKeyword */:
- // ES2017 async modifier should be elided for targets < ES2017
- return undefined;
- case 206 /* AwaitExpression */:
- return visitAwaitExpression(node);
- case 161 /* MethodDeclaration */:
- return doWithContext(1 /* NonTopLevel */ | 2 /* HasLexicalThis */, visitMethodDeclaration, node);
- case 244 /* FunctionDeclaration */:
- return doWithContext(1 /* NonTopLevel */ | 2 /* HasLexicalThis */, visitFunctionDeclaration, node);
- case 201 /* FunctionExpression */:
- return doWithContext(1 /* NonTopLevel */ | 2 /* HasLexicalThis */, visitFunctionExpression, node);
- case 202 /* ArrowFunction */:
- return doWithContext(1 /* NonTopLevel */, visitArrowFunction, node);
- case 194 /* PropertyAccessExpression */:
- if (capturedSuperProperties && ts.isPropertyAccessExpression(node) && node.expression.kind === 102 /* SuperKeyword */) {
- capturedSuperProperties.set(node.name.escapedText, true);
- }
- return ts.visitEachChild(node, visitor, context);
- case 195 /* ElementAccessExpression */:
- if (capturedSuperProperties && node.expression.kind === 102 /* SuperKeyword */) {
- hasSuperElementAccess = true;
- }
- return ts.visitEachChild(node, visitor, context);
- case 163 /* GetAccessor */:
- case 164 /* SetAccessor */:
- case 162 /* Constructor */:
- case 245 /* ClassDeclaration */:
- case 214 /* ClassExpression */:
- return doWithContext(1 /* NonTopLevel */ | 2 /* HasLexicalThis */, visitDefault, node);
- default:
- return ts.visitEachChild(node, visitor, context);
- }
- }
- function asyncBodyVisitor(node) {
- if (ts.isNodeWithPossibleHoistedDeclaration(node)) {
- switch (node.kind) {
- case 225 /* VariableStatement */:
- return visitVariableStatementInAsyncBody(node);
- case 230 /* ForStatement */:
- return visitForStatementInAsyncBody(node);
- case 231 /* ForInStatement */:
- return visitForInStatementInAsyncBody(node);
- case 232 /* ForOfStatement */:
- return visitForOfStatementInAsyncBody(node);
- case 280 /* CatchClause */:
- return visitCatchClauseInAsyncBody(node);
- case 223 /* Block */:
- case 237 /* SwitchStatement */:
- case 251 /* CaseBlock */:
- case 277 /* CaseClause */:
- case 278 /* DefaultClause */:
- case 240 /* TryStatement */:
- case 228 /* DoStatement */:
- case 229 /* WhileStatement */:
- case 227 /* IfStatement */:
- case 236 /* WithStatement */:
- case 238 /* LabeledStatement */:
- return ts.visitEachChild(node, asyncBodyVisitor, context);
- default:
- return ts.Debug.assertNever(node, "Unhandled node.");
- }
- }
- return visitor(node);
- }
- function visitCatchClauseInAsyncBody(node) {
- var catchClauseNames = ts.createUnderscoreEscapedMap();
- recordDeclarationName(node.variableDeclaration, catchClauseNames); // TODO: GH#18217
- // names declared in a catch variable are block scoped
- var catchClauseUnshadowedNames;
- catchClauseNames.forEach(function (_, escapedName) {
- if (enclosingFunctionParameterNames.has(escapedName)) {
- if (!catchClauseUnshadowedNames) {
- catchClauseUnshadowedNames = ts.cloneMap(enclosingFunctionParameterNames);
- }
- catchClauseUnshadowedNames.delete(escapedName);
- }
- });
- if (catchClauseUnshadowedNames) {
- var savedEnclosingFunctionParameterNames = enclosingFunctionParameterNames;
- enclosingFunctionParameterNames = catchClauseUnshadowedNames;
- var result = ts.visitEachChild(node, asyncBodyVisitor, context);
- enclosingFunctionParameterNames = savedEnclosingFunctionParameterNames;
- return result;
- }
- else {
- return ts.visitEachChild(node, asyncBodyVisitor, context);
- }
- }
- function visitVariableStatementInAsyncBody(node) {
- if (isVariableDeclarationListWithCollidingName(node.declarationList)) {
- var expression = visitVariableDeclarationListWithCollidingNames(node.declarationList, /*hasReceiver*/ false);
- return expression ? ts.createExpressionStatement(expression) : undefined;
- }
- return ts.visitEachChild(node, visitor, context);
- }
- function visitForInStatementInAsyncBody(node) {
- return ts.updateForIn(node, isVariableDeclarationListWithCollidingName(node.initializer)
- ? visitVariableDeclarationListWithCollidingNames(node.initializer, /*hasReceiver*/ true)
- : ts.visitNode(node.initializer, visitor, ts.isForInitializer), ts.visitNode(node.expression, visitor, ts.isExpression), ts.visitNode(node.statement, asyncBodyVisitor, ts.isStatement, ts.liftToBlock));
- }
- function visitForOfStatementInAsyncBody(node) {
- return ts.updateForOf(node, ts.visitNode(node.awaitModifier, visitor, ts.isToken), isVariableDeclarationListWithCollidingName(node.initializer)
- ? visitVariableDeclarationListWithCollidingNames(node.initializer, /*hasReceiver*/ true)
- : ts.visitNode(node.initializer, visitor, ts.isForInitializer), ts.visitNode(node.expression, visitor, ts.isExpression), ts.visitNode(node.statement, asyncBodyVisitor, ts.isStatement, ts.liftToBlock));
- }
- function visitForStatementInAsyncBody(node) {
- var initializer = node.initializer; // TODO: GH#18217
- return ts.updateFor(node, isVariableDeclarationListWithCollidingName(initializer)
- ? visitVariableDeclarationListWithCollidingNames(initializer, /*hasReceiver*/ false)
- : ts.visitNode(node.initializer, visitor, ts.isForInitializer), ts.visitNode(node.condition, visitor, ts.isExpression), ts.visitNode(node.incrementor, visitor, ts.isExpression), ts.visitNode(node.statement, asyncBodyVisitor, ts.isStatement, ts.liftToBlock));
- }
- /**
- * Visits an AwaitExpression node.
- *
- * This function will be called any time a ES2017 await expression is encountered.
- *
- * @param node The node to visit.
- */
- function visitAwaitExpression(node) {
- // do not downlevel a top-level await as it is module syntax...
- if (inTopLevelContext()) {
- return ts.visitEachChild(node, visitor, context);
- }
- return ts.setOriginalNode(ts.setTextRange(ts.createYield(
- /*asteriskToken*/ undefined, ts.visitNode(node.expression, visitor, ts.isExpression)), node), node);
- }
- /**
- * Visits a MethodDeclaration node.
- *
- * This function will be called when one of the following conditions are met:
- * - The node is marked as async
- *
- * @param node The node to visit.
- */
- function visitMethodDeclaration(node) {
- return ts.updateMethod(node,
- /*decorators*/ undefined, ts.visitNodes(node.modifiers, visitor, ts.isModifier), node.asteriskToken, node.name,
- /*questionToken*/ undefined,
- /*typeParameters*/ undefined, ts.visitParameterList(node.parameters, visitor, context),
- /*type*/ undefined, ts.getFunctionFlags(node) & 2 /* Async */
- ? transformAsyncFunctionBody(node)
- : ts.visitFunctionBody(node.body, visitor, context));
- }
- /**
- * Visits a FunctionDeclaration node.
- *
- * This function will be called when one of the following conditions are met:
- * - The node is marked async
- *
- * @param node The node to visit.
- */
- function visitFunctionDeclaration(node) {
- return ts.updateFunctionDeclaration(node,
- /*decorators*/ undefined, ts.visitNodes(node.modifiers, visitor, ts.isModifier), node.asteriskToken, node.name,
- /*typeParameters*/ undefined, ts.visitParameterList(node.parameters, visitor, context),
- /*type*/ undefined, ts.getFunctionFlags(node) & 2 /* Async */
- ? transformAsyncFunctionBody(node)
- : ts.visitFunctionBody(node.body, visitor, context));
- }
- /**
- * Visits a FunctionExpression node.
- *
- * This function will be called when one of the following conditions are met:
- * - The node is marked async
- *
- * @param node The node to visit.
- */
- function visitFunctionExpression(node) {
- return ts.updateFunctionExpression(node, ts.visitNodes(node.modifiers, visitor, ts.isModifier), node.asteriskToken, node.name,
- /*typeParameters*/ undefined, ts.visitParameterList(node.parameters, visitor, context),
- /*type*/ undefined, ts.getFunctionFlags(node) & 2 /* Async */
- ? transformAsyncFunctionBody(node)
- : ts.visitFunctionBody(node.body, visitor, context));
- }
- /**
- * Visits an ArrowFunction.
- *
- * This function will be called when one of the following conditions are met:
- * - The node is marked async
- *
- * @param node The node to visit.
- */
- function visitArrowFunction(node) {
- return ts.updateArrowFunction(node, ts.visitNodes(node.modifiers, visitor, ts.isModifier),
- /*typeParameters*/ undefined, ts.visitParameterList(node.parameters, visitor, context),
- /*type*/ undefined, node.equalsGreaterThanToken, ts.getFunctionFlags(node) & 2 /* Async */
- ? transformAsyncFunctionBody(node)
- : ts.visitFunctionBody(node.body, visitor, context));
- }
- function recordDeclarationName(_a, names) {
- var name = _a.name;
- if (ts.isIdentifier(name)) {
- names.set(name.escapedText, true);
- }
- else {
- for (var _i = 0, _b = name.elements; _i < _b.length; _i++) {
- var element = _b[_i];
- if (!ts.isOmittedExpression(element)) {
- recordDeclarationName(element, names);
- }
- }
- }
- }
- function isVariableDeclarationListWithCollidingName(node) {
- return !!node
- && ts.isVariableDeclarationList(node)
- && !(node.flags & 3 /* BlockScoped */)
- && node.declarations.some(collidesWithParameterName);
- }
- function visitVariableDeclarationListWithCollidingNames(node, hasReceiver) {
- hoistVariableDeclarationList(node);
- var variables = ts.getInitializedVariables(node);
- if (variables.length === 0) {
- if (hasReceiver) {
- return ts.visitNode(ts.convertToAssignmentElementTarget(node.declarations[0].name), visitor, ts.isExpression);
- }
- return undefined;
- }
- return ts.inlineExpressions(ts.map(variables, transformInitializedVariable));
- }
- function hoistVariableDeclarationList(node) {
- ts.forEach(node.declarations, hoistVariable);
- }
- function hoistVariable(_a) {
- var name = _a.name;
- if (ts.isIdentifier(name)) {
- hoistVariableDeclaration(name);
- }
- else {
- for (var _i = 0, _b = name.elements; _i < _b.length; _i++) {
- var element = _b[_i];
- if (!ts.isOmittedExpression(element)) {
- hoistVariable(element);
- }
- }
- }
- }
- function transformInitializedVariable(node) {
- var converted = ts.setSourceMapRange(ts.createAssignment(ts.convertToAssignmentElementTarget(node.name), node.initializer), node);
- return ts.visitNode(converted, visitor, ts.isExpression);
- }
- function collidesWithParameterName(_a) {
- var name = _a.name;
- if (ts.isIdentifier(name)) {
- return enclosingFunctionParameterNames.has(name.escapedText);
- }
- else {
- for (var _i = 0, _b = name.elements; _i < _b.length; _i++) {
- var element = _b[_i];
- if (!ts.isOmittedExpression(element) && collidesWithParameterName(element)) {
- return true;
- }
- }
- }
- return false;
- }
- function transformAsyncFunctionBody(node) {
- resumeLexicalEnvironment();
- var original = ts.getOriginalNode(node, ts.isFunctionLike);
- var nodeType = original.type;
- var promiseConstructor = languageVersion < 2 /* ES2015 */ ? getPromiseConstructor(nodeType) : undefined;
- var isArrowFunction = node.kind === 202 /* ArrowFunction */;
- var hasLexicalArguments = (resolver.getNodeCheckFlags(node) & 8192 /* CaptureArguments */) !== 0;
- // An async function is emit as an outer function that calls an inner
- // generator function. To preserve lexical bindings, we pass the current
- // `this` and `arguments` objects to `__awaiter`. The generator function
- // passed to `__awaiter` is executed inside of the callback to the
- // promise constructor.
- var savedEnclosingFunctionParameterNames = enclosingFunctionParameterNames;
- enclosingFunctionParameterNames = ts.createUnderscoreEscapedMap();
- for (var _i = 0, _a = node.parameters; _i < _a.length; _i++) {
- var parameter = _a[_i];
- recordDeclarationName(parameter, enclosingFunctionParameterNames);
- }
- var savedCapturedSuperProperties = capturedSuperProperties;
- var savedHasSuperElementAccess = hasSuperElementAccess;
- if (!isArrowFunction) {
- capturedSuperProperties = ts.createUnderscoreEscapedMap();
- hasSuperElementAccess = false;
- }
- var result;
- if (!isArrowFunction) {
- var statements = [];
- var statementOffset = ts.addPrologue(statements, node.body.statements, /*ensureUseStrict*/ false, visitor);
- statements.push(ts.createReturn(createAwaiterHelper(context, inHasLexicalThisContext(), hasLexicalArguments, promiseConstructor, transformAsyncFunctionBodyWorker(node.body, statementOffset))));
- ts.insertStatementsAfterStandardPrologue(statements, endLexicalEnvironment());
- // Minor optimization, emit `_super` helper to capture `super` access in an arrow.
- // This step isn't needed if we eventually transform this to ES5.
- var emitSuperHelpers = languageVersion >= 2 /* ES2015 */ && resolver.getNodeCheckFlags(node) & (4096 /* AsyncMethodWithSuperBinding */ | 2048 /* AsyncMethodWithSuper */);
- if (emitSuperHelpers) {
- enableSubstitutionForAsyncMethodsWithSuper();
- if (ts.hasEntries(capturedSuperProperties)) {
- var variableStatement = createSuperAccessVariableStatement(resolver, node, capturedSuperProperties);
- substitutedSuperAccessors[ts.getNodeId(variableStatement)] = true;
- ts.insertStatementsAfterStandardPrologue(statements, [variableStatement]);
- }
- }
- var block = ts.createBlock(statements, /*multiLine*/ true);
- ts.setTextRange(block, node.body);
- if (emitSuperHelpers && hasSuperElementAccess) {
- // Emit helpers for super element access expressions (`super[x]`).
- if (resolver.getNodeCheckFlags(node) & 4096 /* AsyncMethodWithSuperBinding */) {
- ts.addEmitHelper(block, ts.advancedAsyncSuperHelper);
- }
- else if (resolver.getNodeCheckFlags(node) & 2048 /* AsyncMethodWithSuper */) {
- ts.addEmitHelper(block, ts.asyncSuperHelper);
- }
- }
- result = block;
- }
- else {
- var expression = createAwaiterHelper(context, inHasLexicalThisContext(), hasLexicalArguments, promiseConstructor, transformAsyncFunctionBodyWorker(node.body));
- var declarations = endLexicalEnvironment();
- if (ts.some(declarations)) {
- var block = ts.convertToFunctionBody(expression);
- result = ts.updateBlock(block, ts.setTextRange(ts.createNodeArray(ts.concatenate(declarations, block.statements)), block.statements));
- }
- else {
- result = expression;
- }
- }
- enclosingFunctionParameterNames = savedEnclosingFunctionParameterNames;
- if (!isArrowFunction) {
- capturedSuperProperties = savedCapturedSuperProperties;
- hasSuperElementAccess = savedHasSuperElementAccess;
- }
- return result;
- }
- function transformAsyncFunctionBodyWorker(body, start) {
- if (ts.isBlock(body)) {
- return ts.updateBlock(body, ts.visitNodes(body.statements, asyncBodyVisitor, ts.isStatement, start));
- }
- else {
- return ts.convertToFunctionBody(ts.visitNode(body, asyncBodyVisitor, ts.isConciseBody));
- }
- }
- function getPromiseConstructor(type) {
- var typeName = type && ts.getEntityNameFromTypeNode(type);
- if (typeName && ts.isEntityName(typeName)) {
- var serializationKind = resolver.getTypeReferenceSerializationKind(typeName);
- if (serializationKind === ts.TypeReferenceSerializationKind.TypeWithConstructSignatureAndValue
- || serializationKind === ts.TypeReferenceSerializationKind.Unknown) {
- return typeName;
- }
- }
- return undefined;
- }
- function enableSubstitutionForAsyncMethodsWithSuper() {
- if ((enabledSubstitutions & 1 /* AsyncMethodsWithSuper */) === 0) {
- enabledSubstitutions |= 1 /* AsyncMethodsWithSuper */;
- // We need to enable substitutions for call, property access, and element access
- // if we need to rewrite super calls.
- context.enableSubstitution(196 /* CallExpression */);
- context.enableSubstitution(194 /* PropertyAccessExpression */);
- context.enableSubstitution(195 /* ElementAccessExpression */);
- // We need to be notified when entering and exiting declarations that bind super.
- context.enableEmitNotification(245 /* ClassDeclaration */);
- context.enableEmitNotification(161 /* MethodDeclaration */);
- context.enableEmitNotification(163 /* GetAccessor */);
- context.enableEmitNotification(164 /* SetAccessor */);
- context.enableEmitNotification(162 /* Constructor */);
- // We need to be notified when entering the generated accessor arrow functions.
- context.enableEmitNotification(225 /* VariableStatement */);
- }
- }
- /**
- * Hook for node emit.
- *
- * @param hint A hint as to the intended usage of the node.
- * @param node The node to emit.
- * @param emit A callback used to emit the node in the printer.
- */
- function onEmitNode(hint, node, emitCallback) {
- // If we need to support substitutions for `super` in an async method,
- // we should track it here.
- if (enabledSubstitutions & 1 /* AsyncMethodsWithSuper */ && isSuperContainer(node)) {
- var superContainerFlags = resolver.getNodeCheckFlags(node) & (2048 /* AsyncMethodWithSuper */ | 4096 /* AsyncMethodWithSuperBinding */);
- if (superContainerFlags !== enclosingSuperContainerFlags) {
- var savedEnclosingSuperContainerFlags = enclosingSuperContainerFlags;
- enclosingSuperContainerFlags = superContainerFlags;
- previousOnEmitNode(hint, node, emitCallback);
- enclosingSuperContainerFlags = savedEnclosingSuperContainerFlags;
- return;
- }
- }
- // Disable substitution in the generated super accessor itself.
- else if (enabledSubstitutions && substitutedSuperAccessors[ts.getNodeId(node)]) {
- var savedEnclosingSuperContainerFlags = enclosingSuperContainerFlags;
- enclosingSuperContainerFlags = 0;
- previousOnEmitNode(hint, node, emitCallback);
- enclosingSuperContainerFlags = savedEnclosingSuperContainerFlags;
- return;
- }
- previousOnEmitNode(hint, node, emitCallback);
- }
- /**
- * Hooks node substitutions.
- *
- * @param hint A hint as to the intended usage of the node.
- * @param node The node to substitute.
- */
- function onSubstituteNode(hint, node) {
- node = previousOnSubstituteNode(hint, node);
- if (hint === 1 /* Expression */ && enclosingSuperContainerFlags) {
- return substituteExpression(node);
- }
- return node;
- }
- function substituteExpression(node) {
- switch (node.kind) {
- case 194 /* PropertyAccessExpression */:
- return substitutePropertyAccessExpression(node);
- case 195 /* ElementAccessExpression */:
- return substituteElementAccessExpression(node);
- case 196 /* CallExpression */:
- return substituteCallExpression(node);
- }
- return node;
- }
- function substitutePropertyAccessExpression(node) {
- if (node.expression.kind === 102 /* SuperKeyword */) {
- return ts.setTextRange(ts.createPropertyAccess(ts.createFileLevelUniqueName("_super"), node.name), node);
- }
- return node;
- }
- function substituteElementAccessExpression(node) {
- if (node.expression.kind === 102 /* SuperKeyword */) {
- return createSuperElementAccessInAsyncMethod(node.argumentExpression, node);
- }
- return node;
- }
- function substituteCallExpression(node) {
- var expression = node.expression;
- if (ts.isSuperProperty(expression)) {
- var argumentExpression = ts.isPropertyAccessExpression(expression)
- ? substitutePropertyAccessExpression(expression)
- : substituteElementAccessExpression(expression);
- return ts.createCall(ts.createPropertyAccess(argumentExpression, "call"),
- /*typeArguments*/ undefined, __spreadArrays([
- ts.createThis()
- ], node.arguments));
- }
- return node;
- }
- function isSuperContainer(node) {
- var kind = node.kind;
- return kind === 245 /* ClassDeclaration */
- || kind === 162 /* Constructor */
- || kind === 161 /* MethodDeclaration */
- || kind === 163 /* GetAccessor */
- || kind === 164 /* SetAccessor */;
- }
- function createSuperElementAccessInAsyncMethod(argumentExpression, location) {
- if (enclosingSuperContainerFlags & 4096 /* AsyncMethodWithSuperBinding */) {
- return ts.setTextRange(ts.createPropertyAccess(ts.createCall(ts.createFileLevelUniqueName("_superIndex"),
- /*typeArguments*/ undefined, [argumentExpression]), "value"), location);
- }
- else {
- return ts.setTextRange(ts.createCall(ts.createFileLevelUniqueName("_superIndex"),
- /*typeArguments*/ undefined, [argumentExpression]), location);
- }
- }
- }
- ts.transformES2017 = transformES2017;
- /** Creates a variable named `_super` with accessor properties for the given property names. */
- function createSuperAccessVariableStatement(resolver, node, names) {
- // Create a variable declaration with a getter/setter (if binding) definition for each name:
- // const _super = Object.create(null, { x: { get: () => super.x, set: (v) => super.x = v }, ... });
- var hasBinding = (resolver.getNodeCheckFlags(node) & 4096 /* AsyncMethodWithSuperBinding */) !== 0;
- var accessors = [];
- names.forEach(function (_, key) {
- var name = ts.unescapeLeadingUnderscores(key);
- var getterAndSetter = [];
- getterAndSetter.push(ts.createPropertyAssignment("get", ts.createArrowFunction(
- /* modifiers */ undefined,
- /* typeParameters */ undefined,
- /* parameters */ [],
- /* type */ undefined,
- /* equalsGreaterThanToken */ undefined, ts.setEmitFlags(ts.createPropertyAccess(ts.setEmitFlags(ts.createSuper(), 4 /* NoSubstitution */), name), 4 /* NoSubstitution */))));
- if (hasBinding) {
- getterAndSetter.push(ts.createPropertyAssignment("set", ts.createArrowFunction(
- /* modifiers */ undefined,
- /* typeParameters */ undefined,
- /* parameters */ [
- ts.createParameter(
- /* decorators */ undefined,
- /* modifiers */ undefined,
- /* dotDotDotToken */ undefined, "v",
- /* questionToken */ undefined,
- /* type */ undefined,
- /* initializer */ undefined)
- ],
- /* type */ undefined,
- /* equalsGreaterThanToken */ undefined, ts.createAssignment(ts.setEmitFlags(ts.createPropertyAccess(ts.setEmitFlags(ts.createSuper(), 4 /* NoSubstitution */), name), 4 /* NoSubstitution */), ts.createIdentifier("v")))));
- }
- accessors.push(ts.createPropertyAssignment(name, ts.createObjectLiteral(getterAndSetter)));
- });
- return ts.createVariableStatement(
- /* modifiers */ undefined, ts.createVariableDeclarationList([
- ts.createVariableDeclaration(ts.createFileLevelUniqueName("_super"),
- /* type */ undefined, ts.createCall(ts.createPropertyAccess(ts.createIdentifier("Object"), "create"),
- /* typeArguments */ undefined, [
- ts.createNull(),
- ts.createObjectLiteral(accessors, /* multiline */ true)
- ]))
- ], 2 /* Const */));
- }
- ts.createSuperAccessVariableStatement = createSuperAccessVariableStatement;
- ts.awaiterHelper = {
- name: "typescript:awaiter",
- importName: "__awaiter",
- scoped: false,
- priority: 5,
- text: "\n var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {\n function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }\n return new (P || (P = Promise))(function (resolve, reject) {\n function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }\n function rejected(value) { try { step(generator[\"throw\"](value)); } catch (e) { reject(e); } }\n function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }\n step((generator = generator.apply(thisArg, _arguments || [])).next());\n });\n };"
- };
- function createAwaiterHelper(context, hasLexicalThis, hasLexicalArguments, promiseConstructor, body) {
- context.requestEmitHelper(ts.awaiterHelper);
- var generatorFunc = ts.createFunctionExpression(
- /*modifiers*/ undefined, ts.createToken(41 /* AsteriskToken */),
- /*name*/ undefined,
- /*typeParameters*/ undefined,
- /*parameters*/ [],
- /*type*/ undefined, body);
- // Mark this node as originally an async function
- (generatorFunc.emitNode || (generatorFunc.emitNode = {})).flags |= 262144 /* AsyncFunctionBody */ | 524288 /* ReuseTempVariableScope */;
- return ts.createCall(ts.getUnscopedHelperName("__awaiter"),
- /*typeArguments*/ undefined, [
- hasLexicalThis ? ts.createThis() : ts.createVoidZero(),
- hasLexicalArguments ? ts.createIdentifier("arguments") : ts.createVoidZero(),
- promiseConstructor ? ts.createExpressionFromEntityName(promiseConstructor) : ts.createVoidZero(),
- generatorFunc
- ]);
- }
- ts.asyncSuperHelper = {
- name: "typescript:async-super",
- scoped: true,
- text: ts.helperString(__makeTemplateObject(["\n const ", " = name => super[name];"], ["\n const ", " = name => super[name];"]), "_superIndex")
- };
- ts.advancedAsyncSuperHelper = {
- name: "typescript:advanced-async-super",
- scoped: true,
- text: ts.helperString(__makeTemplateObject(["\n const ", " = (function (geti, seti) {\n const cache = Object.create(null);\n return name => cache[name] || (cache[name] = { get value() { return geti(name); }, set value(v) { seti(name, v); } });\n })(name => super[name], (name, value) => super[name] = value);"], ["\n const ", " = (function (geti, seti) {\n const cache = Object.create(null);\n return name => cache[name] || (cache[name] = { get value() { return geti(name); }, set value(v) { seti(name, v); } });\n })(name => super[name], (name, value) => super[name] = value);"]), "_superIndex")
- };
-})(ts || (ts = {}));
-/*@internal*/
-var ts;
-(function (ts) {
- var ESNextSubstitutionFlags;
- (function (ESNextSubstitutionFlags) {
- /** Enables substitutions for async methods with `super` calls. */
- ESNextSubstitutionFlags[ESNextSubstitutionFlags["AsyncMethodsWithSuper"] = 1] = "AsyncMethodsWithSuper";
- })(ESNextSubstitutionFlags || (ESNextSubstitutionFlags = {}));
- // Facts we track as we traverse the tree
- var HierarchyFacts;
- (function (HierarchyFacts) {
- HierarchyFacts[HierarchyFacts["None"] = 0] = "None";
- //
- // Ancestor facts
- //
- HierarchyFacts[HierarchyFacts["HasLexicalThis"] = 1] = "HasLexicalThis";
- HierarchyFacts[HierarchyFacts["IterationContainer"] = 2] = "IterationContainer";
- // NOTE: do not add more ancestor flags without also updating AncestorFactsMask below.
- //
- // Ancestor masks
- //
- HierarchyFacts[HierarchyFacts["AncestorFactsMask"] = 3] = "AncestorFactsMask";
- HierarchyFacts[HierarchyFacts["SourceFileIncludes"] = 1] = "SourceFileIncludes";
- HierarchyFacts[HierarchyFacts["SourceFileExcludes"] = 2] = "SourceFileExcludes";
- HierarchyFacts[HierarchyFacts["StrictModeSourceFileIncludes"] = 0] = "StrictModeSourceFileIncludes";
- HierarchyFacts[HierarchyFacts["ClassOrFunctionIncludes"] = 1] = "ClassOrFunctionIncludes";
- HierarchyFacts[HierarchyFacts["ClassOrFunctionExcludes"] = 2] = "ClassOrFunctionExcludes";
- HierarchyFacts[HierarchyFacts["ArrowFunctionIncludes"] = 0] = "ArrowFunctionIncludes";
- HierarchyFacts[HierarchyFacts["ArrowFunctionExcludes"] = 2] = "ArrowFunctionExcludes";
- HierarchyFacts[HierarchyFacts["IterationStatementIncludes"] = 2] = "IterationStatementIncludes";
- HierarchyFacts[HierarchyFacts["IterationStatementExcludes"] = 0] = "IterationStatementExcludes";
- })(HierarchyFacts || (HierarchyFacts = {}));
- function transformES2018(context) {
- var resumeLexicalEnvironment = context.resumeLexicalEnvironment, endLexicalEnvironment = context.endLexicalEnvironment, hoistVariableDeclaration = context.hoistVariableDeclaration;
- var resolver = context.getEmitResolver();
- var compilerOptions = context.getCompilerOptions();
- var languageVersion = ts.getEmitScriptTarget(compilerOptions);
- var previousOnEmitNode = context.onEmitNode;
- context.onEmitNode = onEmitNode;
- var previousOnSubstituteNode = context.onSubstituteNode;
- context.onSubstituteNode = onSubstituteNode;
- var exportedVariableStatement = false;
- var enabledSubstitutions;
- var enclosingFunctionFlags;
- var enclosingSuperContainerFlags = 0;
- var hierarchyFacts = 0;
- var currentSourceFile;
- var taggedTemplateStringDeclarations;
- /** Keeps track of property names accessed on super (`super.x`) within async functions. */
- var capturedSuperProperties;
- /** Whether the async function contains an element access on super (`super[x]`). */
- var hasSuperElementAccess;
- /** A set of node IDs for generated super accessors. */
- var substitutedSuperAccessors = [];
- return ts.chainBundle(transformSourceFile);
- function affectsSubtree(excludeFacts, includeFacts) {
- return hierarchyFacts !== (hierarchyFacts & ~excludeFacts | includeFacts);
- }
- /**
- * Sets the `HierarchyFacts` for this node prior to visiting this node's subtree, returning the facts set prior to modification.
- * @param excludeFacts The existing `HierarchyFacts` to reset before visiting the subtree.
- * @param includeFacts The new `HierarchyFacts` to set before visiting the subtree.
- */
- function enterSubtree(excludeFacts, includeFacts) {
- var ancestorFacts = hierarchyFacts;
- hierarchyFacts = (hierarchyFacts & ~excludeFacts | includeFacts) & 3 /* AncestorFactsMask */;
- return ancestorFacts;
- }
- /**
- * Restores the `HierarchyFacts` for this node's ancestor after visiting this node's
- * subtree.
- * @param ancestorFacts The `HierarchyFacts` of the ancestor to restore after visiting the subtree.
- */
- function exitSubtree(ancestorFacts) {
- hierarchyFacts = ancestorFacts;
- }
- function recordTaggedTemplateString(temp) {
- taggedTemplateStringDeclarations = ts.append(taggedTemplateStringDeclarations, ts.createVariableDeclaration(temp));
- }
- function transformSourceFile(node) {
- if (node.isDeclarationFile) {
- return node;
- }
- currentSourceFile = node;
- var visited = visitSourceFile(node);
- ts.addEmitHelpers(visited, context.readEmitHelpers());
- currentSourceFile = undefined;
- taggedTemplateStringDeclarations = undefined;
- return visited;
- }
- function visitor(node) {
- return visitorWorker(node, /*noDestructuringValue*/ false);
- }
- function visitorNoDestructuringValue(node) {
- return visitorWorker(node, /*noDestructuringValue*/ true);
- }
- function visitorNoAsyncModifier(node) {
- if (node.kind === 126 /* AsyncKeyword */) {
- return undefined;
- }
- return node;
- }
- function doWithHierarchyFacts(cb, value, excludeFacts, includeFacts) {
- if (affectsSubtree(excludeFacts, includeFacts)) {
- var ancestorFacts = enterSubtree(excludeFacts, includeFacts);
- var result = cb(value);
- exitSubtree(ancestorFacts);
- return result;
- }
- return cb(value);
- }
- function visitDefault(node) {
- return ts.visitEachChild(node, visitor, context);
- }
- function visitorWorker(node, noDestructuringValue) {
- if ((node.transformFlags & 32 /* ContainsES2018 */) === 0) {
- return node;
- }
- switch (node.kind) {
- case 206 /* AwaitExpression */:
- return visitAwaitExpression(node);
- case 212 /* YieldExpression */:
- return visitYieldExpression(node);
- case 235 /* ReturnStatement */:
- return visitReturnStatement(node);
- case 238 /* LabeledStatement */:
- return visitLabeledStatement(node);
- case 193 /* ObjectLiteralExpression */:
- return visitObjectLiteralExpression(node);
- case 209 /* BinaryExpression */:
- return visitBinaryExpression(node, noDestructuringValue);
- case 280 /* CatchClause */:
- return visitCatchClause(node);
- case 225 /* VariableStatement */:
- return visitVariableStatement(node);
- case 242 /* VariableDeclaration */:
- return visitVariableDeclaration(node);
- case 228 /* DoStatement */:
- case 229 /* WhileStatement */:
- case 231 /* ForInStatement */:
- return doWithHierarchyFacts(visitDefault, node, 0 /* IterationStatementExcludes */, 2 /* IterationStatementIncludes */);
- case 232 /* ForOfStatement */:
- return visitForOfStatement(node, /*outermostLabeledStatement*/ undefined);
- case 230 /* ForStatement */:
- return doWithHierarchyFacts(visitForStatement, node, 0 /* IterationStatementExcludes */, 2 /* IterationStatementIncludes */);
- case 205 /* VoidExpression */:
- return visitVoidExpression(node);
- case 162 /* Constructor */:
- return doWithHierarchyFacts(visitConstructorDeclaration, node, 2 /* ClassOrFunctionExcludes */, 1 /* ClassOrFunctionIncludes */);
- case 161 /* MethodDeclaration */:
- return doWithHierarchyFacts(visitMethodDeclaration, node, 2 /* ClassOrFunctionExcludes */, 1 /* ClassOrFunctionIncludes */);
- case 163 /* GetAccessor */:
- return doWithHierarchyFacts(visitGetAccessorDeclaration, node, 2 /* ClassOrFunctionExcludes */, 1 /* ClassOrFunctionIncludes */);
- case 164 /* SetAccessor */:
- return doWithHierarchyFacts(visitSetAccessorDeclaration, node, 2 /* ClassOrFunctionExcludes */, 1 /* ClassOrFunctionIncludes */);
- case 244 /* FunctionDeclaration */:
- return doWithHierarchyFacts(visitFunctionDeclaration, node, 2 /* ClassOrFunctionExcludes */, 1 /* ClassOrFunctionIncludes */);
- case 201 /* FunctionExpression */:
- return doWithHierarchyFacts(visitFunctionExpression, node, 2 /* ClassOrFunctionExcludes */, 1 /* ClassOrFunctionIncludes */);
- case 202 /* ArrowFunction */:
- return doWithHierarchyFacts(visitArrowFunction, node, 2 /* ArrowFunctionExcludes */, 0 /* ArrowFunctionIncludes */);
- case 156 /* Parameter */:
- return visitParameter(node);
- case 226 /* ExpressionStatement */:
- return visitExpressionStatement(node);
- case 200 /* ParenthesizedExpression */:
- return visitParenthesizedExpression(node, noDestructuringValue);
- case 198 /* TaggedTemplateExpression */:
- return visitTaggedTemplateExpression(node);
- case 194 /* PropertyAccessExpression */:
- if (capturedSuperProperties && ts.isPropertyAccessExpression(node) && node.expression.kind === 102 /* SuperKeyword */) {
- capturedSuperProperties.set(node.name.escapedText, true);
- }
- return ts.visitEachChild(node, visitor, context);
- case 195 /* ElementAccessExpression */:
- if (capturedSuperProperties && node.expression.kind === 102 /* SuperKeyword */) {
- hasSuperElementAccess = true;
- }
- return ts.visitEachChild(node, visitor, context);
- case 245 /* ClassDeclaration */:
- case 214 /* ClassExpression */:
- return doWithHierarchyFacts(visitDefault, node, 2 /* ClassOrFunctionExcludes */, 1 /* ClassOrFunctionIncludes */);
- default:
- return ts.visitEachChild(node, visitor, context);
- }
- }
- function visitAwaitExpression(node) {
- if (enclosingFunctionFlags & 2 /* Async */ && enclosingFunctionFlags & 1 /* Generator */) {
- return ts.setOriginalNode(ts.setTextRange(ts.createYield(createAwaitHelper(context, ts.visitNode(node.expression, visitor, ts.isExpression))),
- /*location*/ node), node);
- }
- return ts.visitEachChild(node, visitor, context);
- }
- function visitYieldExpression(node) {
- if (enclosingFunctionFlags & 2 /* Async */ && enclosingFunctionFlags & 1 /* Generator */) {
- if (node.asteriskToken) {
- var expression = ts.visitNode(node.expression, visitor, ts.isExpression);
- return ts.setOriginalNode(ts.setTextRange(ts.createYield(createAwaitHelper(context, ts.updateYield(node, node.asteriskToken, createAsyncDelegatorHelper(context, createAsyncValuesHelper(context, expression, expression), expression)))), node), node);
- }
- return ts.setOriginalNode(ts.setTextRange(ts.createYield(createDownlevelAwait(node.expression
- ? ts.visitNode(node.expression, visitor, ts.isExpression)
- : ts.createVoidZero())), node), node);
- }
- return ts.visitEachChild(node, visitor, context);
- }
- function visitReturnStatement(node) {
- if (enclosingFunctionFlags & 2 /* Async */ && enclosingFunctionFlags & 1 /* Generator */) {
- return ts.updateReturn(node, createDownlevelAwait(node.expression ? ts.visitNode(node.expression, visitor, ts.isExpression) : ts.createVoidZero()));
- }
- return ts.visitEachChild(node, visitor, context);
- }
- function visitLabeledStatement(node) {
- if (enclosingFunctionFlags & 2 /* Async */) {
- var statement = ts.unwrapInnermostStatementOfLabel(node);
- if (statement.kind === 232 /* ForOfStatement */ && statement.awaitModifier) {
- return visitForOfStatement(statement, node);
- }
- return ts.restoreEnclosingLabel(ts.visitNode(statement, visitor, ts.isStatement, ts.liftToBlock), node);
- }
- return ts.visitEachChild(node, visitor, context);
- }
- function chunkObjectLiteralElements(elements) {
- var chunkObject;
- var objects = [];
- for (var _i = 0, elements_4 = elements; _i < elements_4.length; _i++) {
- var e = elements_4[_i];
- if (e.kind === 283 /* SpreadAssignment */) {
- if (chunkObject) {
- objects.push(ts.createObjectLiteral(chunkObject));
- chunkObject = undefined;
- }
- var target = e.expression;
- objects.push(ts.visitNode(target, visitor, ts.isExpression));
- }
- else {
- chunkObject = ts.append(chunkObject, e.kind === 281 /* PropertyAssignment */
- ? ts.createPropertyAssignment(e.name, ts.visitNode(e.initializer, visitor, ts.isExpression))
- : ts.visitNode(e, visitor, ts.isObjectLiteralElementLike));
- }
- }
- if (chunkObject) {
- objects.push(ts.createObjectLiteral(chunkObject));
- }
- return objects;
- }
- function visitObjectLiteralExpression(node) {
- if (node.transformFlags & 16384 /* ContainsObjectRestOrSpread */) {
- // spread elements emit like so:
- // non-spread elements are chunked together into object literals, and then all are passed to __assign:
- // { a, ...o, b } => __assign(__assign({a}, o), {b});
- // If the first element is a spread element, then the first argument to __assign is {}:
- // { ...o, a, b, ...o2 } => __assign(__assign(__assign({}, o), {a, b}), o2)
- //
- // We cannot call __assign with more than two elements, since any element could cause side effects. For
- // example:
- // var k = { a: 1, b: 2 };
- // var o = { a: 3, ...k, b: k.a++ };
- // // expected: { a: 1, b: 1 }
- // If we translate the above to `__assign({ a: 3 }, k, { b: k.a++ })`, the `k.a++` will evaluate before
- // `k` is spread and we end up with `{ a: 2, b: 1 }`.
- //
- // This also occurs for spread elements, not just property assignments:
- // var k = { a: 1, get b() { l = { z: 9 }; return 2; } };
- // var l = { c: 3 };
- // var o = { ...k, ...l };
- // // expected: { a: 1, b: 2, z: 9 }
- // If we translate the above to `__assign({}, k, l)`, the `l` will evaluate before `k` is spread and we
- // end up with `{ a: 1, b: 2, c: 3 }`
- var objects = chunkObjectLiteralElements(node.properties);
- if (objects.length && objects[0].kind !== 193 /* ObjectLiteralExpression */) {
- objects.unshift(ts.createObjectLiteral());
- }
- var expression = objects[0];
- if (objects.length > 1) {
- for (var i = 1; i < objects.length; i++) {
- expression = createAssignHelper(context, [expression, objects[i]]);
- }
- return expression;
- }
- else {
- return createAssignHelper(context, objects);
- }
- }
- return ts.visitEachChild(node, visitor, context);
- }
- function visitExpressionStatement(node) {
- return ts.visitEachChild(node, visitorNoDestructuringValue, context);
- }
- function visitParenthesizedExpression(node, noDestructuringValue) {
- return ts.visitEachChild(node, noDestructuringValue ? visitorNoDestructuringValue : visitor, context);
- }
- function visitSourceFile(node) {
- var ancestorFacts = enterSubtree(2 /* SourceFileExcludes */, ts.isEffectiveStrictModeSourceFile(node, compilerOptions) ?
- 0 /* StrictModeSourceFileIncludes */ :
- 1 /* SourceFileIncludes */);
- exportedVariableStatement = false;
- var visited = ts.visitEachChild(node, visitor, context);
- var statement = ts.concatenate(visited.statements, taggedTemplateStringDeclarations && [
- ts.createVariableStatement(/*modifiers*/ undefined, ts.createVariableDeclarationList(taggedTemplateStringDeclarations))
- ]);
- var result = ts.updateSourceFileNode(visited, ts.setTextRange(ts.createNodeArray(statement), node.statements));
- exitSubtree(ancestorFacts);
- return result;
- }
- function visitTaggedTemplateExpression(node) {
- return ts.processTaggedTemplateExpression(context, node, visitor, currentSourceFile, recordTaggedTemplateString, ts.ProcessLevel.LiftRestriction);
- }
- /**
- * Visits a BinaryExpression that contains a destructuring assignment.
- *
- * @param node A BinaryExpression node.
- */
- function visitBinaryExpression(node, noDestructuringValue) {
- if (ts.isDestructuringAssignment(node) && node.left.transformFlags & 16384 /* ContainsObjectRestOrSpread */) {
- return ts.flattenDestructuringAssignment(node, visitor, context, 1 /* ObjectRest */, !noDestructuringValue);
- }
- else if (node.operatorToken.kind === 27 /* CommaToken */) {
- return ts.updateBinary(node, ts.visitNode(node.left, visitorNoDestructuringValue, ts.isExpression), ts.visitNode(node.right, noDestructuringValue ? visitorNoDestructuringValue : visitor, ts.isExpression));
- }
- return ts.visitEachChild(node, visitor, context);
- }
- function visitCatchClause(node) {
- if (node.variableDeclaration &&
- ts.isBindingPattern(node.variableDeclaration.name) &&
- node.variableDeclaration.name.transformFlags & 16384 /* ContainsObjectRestOrSpread */) {
- var name = ts.getGeneratedNameForNode(node.variableDeclaration.name);
- var updatedDecl = ts.updateVariableDeclaration(node.variableDeclaration, node.variableDeclaration.name, /*type*/ undefined, name);
- var visitedBindings = ts.flattenDestructuringBinding(updatedDecl, visitor, context, 1 /* ObjectRest */);
- var block = ts.visitNode(node.block, visitor, ts.isBlock);
- if (ts.some(visitedBindings)) {
- block = ts.updateBlock(block, __spreadArrays([
- ts.createVariableStatement(/*modifiers*/ undefined, visitedBindings)
- ], block.statements));
- }
- return ts.updateCatchClause(node, ts.updateVariableDeclaration(node.variableDeclaration, name, /*type*/ undefined, /*initializer*/ undefined), block);
- }
- return ts.visitEachChild(node, visitor, context);
- }
- function visitVariableStatement(node) {
- if (ts.hasModifier(node, 1 /* Export */)) {
- var savedExportedVariableStatement = exportedVariableStatement;
- exportedVariableStatement = true;
- var visited = ts.visitEachChild(node, visitor, context);
- exportedVariableStatement = savedExportedVariableStatement;
- return visited;
- }
- return ts.visitEachChild(node, visitor, context);
- }
- /**
- * Visits a VariableDeclaration node with a binding pattern.
- *
- * @param node A VariableDeclaration node.
- */
- function visitVariableDeclaration(node) {
- if (exportedVariableStatement) {
- var savedExportedVariableStatement = exportedVariableStatement;
- exportedVariableStatement = false;
- var visited = visitVariableDeclarationWorker(node, /*exportedVariableStatement*/ true);
- exportedVariableStatement = savedExportedVariableStatement;
- return visited;
- }
- return visitVariableDeclarationWorker(node, /*exportedVariableStatement*/ false);
- }
- function visitVariableDeclarationWorker(node, exportedVariableStatement) {
- // If we are here it is because the name contains a binding pattern with a rest somewhere in it.
- if (ts.isBindingPattern(node.name) && node.name.transformFlags & 16384 /* ContainsObjectRestOrSpread */) {
- return ts.flattenDestructuringBinding(node, visitor, context, 1 /* ObjectRest */,
- /*rval*/ undefined, exportedVariableStatement);
- }
- return ts.visitEachChild(node, visitor, context);
- }
- function visitForStatement(node) {
- return ts.updateFor(node, ts.visitNode(node.initializer, visitorNoDestructuringValue, ts.isForInitializer), ts.visitNode(node.condition, visitor, ts.isExpression), ts.visitNode(node.incrementor, visitor, ts.isExpression), ts.visitNode(node.statement, visitor, ts.isStatement));
- }
- function visitVoidExpression(node) {
- return ts.visitEachChild(node, visitorNoDestructuringValue, context);
- }
- /**
- * Visits a ForOfStatement and converts it into a ES2015-compatible ForOfStatement.
- *
- * @param node A ForOfStatement.
- */
- function visitForOfStatement(node, outermostLabeledStatement) {
- var ancestorFacts = enterSubtree(0 /* IterationStatementExcludes */, 2 /* IterationStatementIncludes */);
- if (node.initializer.transformFlags & 16384 /* ContainsObjectRestOrSpread */) {
- node = transformForOfStatementWithObjectRest(node);
- }
- var result = node.awaitModifier ?
- transformForAwaitOfStatement(node, outermostLabeledStatement, ancestorFacts) :
- ts.restoreEnclosingLabel(ts.visitEachChild(node, visitor, context), outermostLabeledStatement);
- exitSubtree(ancestorFacts);
- return result;
- }
- function transformForOfStatementWithObjectRest(node) {
- var initializerWithoutParens = ts.skipParentheses(node.initializer);
- if (ts.isVariableDeclarationList(initializerWithoutParens) || ts.isAssignmentPattern(initializerWithoutParens)) {
- var bodyLocation = void 0;
- var statementsLocation = void 0;
- var temp = ts.createTempVariable(/*recordTempVariable*/ undefined);
- var statements = [ts.createForOfBindingStatement(initializerWithoutParens, temp)];
- if (ts.isBlock(node.statement)) {
- ts.addRange(statements, node.statement.statements);
- bodyLocation = node.statement;
- statementsLocation = node.statement.statements;
- }
- else if (node.statement) {
- ts.append(statements, node.statement);
- bodyLocation = node.statement;
- statementsLocation = node.statement;
- }
- return ts.updateForOf(node, node.awaitModifier, ts.setTextRange(ts.createVariableDeclarationList([
- ts.setTextRange(ts.createVariableDeclaration(temp), node.initializer)
- ], 1 /* Let */), node.initializer), node.expression, ts.setTextRange(ts.createBlock(ts.setTextRange(ts.createNodeArray(statements), statementsLocation),
- /*multiLine*/ true), bodyLocation));
- }
- return node;
- }
- function convertForOfStatementHead(node, boundValue) {
- var binding = ts.createForOfBindingStatement(node.initializer, boundValue);
- var bodyLocation;
- var statementsLocation;
- var statements = [ts.visitNode(binding, visitor, ts.isStatement)];
- var statement = ts.visitNode(node.statement, visitor, ts.isStatement);
- if (ts.isBlock(statement)) {
- ts.addRange(statements, statement.statements);
- bodyLocation = statement;
- statementsLocation = statement.statements;
- }
- else {
- statements.push(statement);
- }
- return ts.setEmitFlags(ts.setTextRange(ts.createBlock(ts.setTextRange(ts.createNodeArray(statements), statementsLocation),
- /*multiLine*/ true), bodyLocation), 48 /* NoSourceMap */ | 384 /* NoTokenSourceMaps */);
- }
- function createDownlevelAwait(expression) {
- return enclosingFunctionFlags & 1 /* Generator */
- ? ts.createYield(/*asteriskToken*/ undefined, createAwaitHelper(context, expression))
- : ts.createAwait(expression);
- }
- function transformForAwaitOfStatement(node, outermostLabeledStatement, ancestorFacts) {
- var expression = ts.visitNode(node.expression, visitor, ts.isExpression);
- var iterator = ts.isIdentifier(expression) ? ts.getGeneratedNameForNode(expression) : ts.createTempVariable(/*recordTempVariable*/ undefined);
- var result = ts.isIdentifier(expression) ? ts.getGeneratedNameForNode(iterator) : ts.createTempVariable(/*recordTempVariable*/ undefined);
- var errorRecord = ts.createUniqueName("e");
- var catchVariable = ts.getGeneratedNameForNode(errorRecord);
- var returnMethod = ts.createTempVariable(/*recordTempVariable*/ undefined);
- var callValues = createAsyncValuesHelper(context, expression, /*location*/ node.expression);
- var callNext = ts.createCall(ts.createPropertyAccess(iterator, "next"), /*typeArguments*/ undefined, []);
- var getDone = ts.createPropertyAccess(result, "done");
- var getValue = ts.createPropertyAccess(result, "value");
- var callReturn = ts.createFunctionCall(returnMethod, iterator, []);
- hoistVariableDeclaration(errorRecord);
- hoistVariableDeclaration(returnMethod);
- // if we are enclosed in an outer loop ensure we reset 'errorRecord' per each iteration
- var initializer = ancestorFacts & 2 /* IterationContainer */ ?
- ts.inlineExpressions([ts.createAssignment(errorRecord, ts.createVoidZero()), callValues]) :
- callValues;
- var forStatement = ts.setEmitFlags(ts.setTextRange(ts.createFor(
- /*initializer*/ ts.setEmitFlags(ts.setTextRange(ts.createVariableDeclarationList([
- ts.setTextRange(ts.createVariableDeclaration(iterator, /*type*/ undefined, initializer), node.expression),
- ts.createVariableDeclaration(result)
- ]), node.expression), 2097152 /* NoHoisting */),
- /*condition*/ ts.createComma(ts.createAssignment(result, createDownlevelAwait(callNext)), ts.createLogicalNot(getDone)),
- /*incrementor*/ undefined,
- /*statement*/ convertForOfStatementHead(node, getValue)),
- /*location*/ node), 256 /* NoTokenTrailingSourceMaps */);
- return ts.createTry(ts.createBlock([
- ts.restoreEnclosingLabel(forStatement, outermostLabeledStatement)
- ]), ts.createCatchClause(ts.createVariableDeclaration(catchVariable), ts.setEmitFlags(ts.createBlock([
- ts.createExpressionStatement(ts.createAssignment(errorRecord, ts.createObjectLiteral([
- ts.createPropertyAssignment("error", catchVariable)
- ])))
- ]), 1 /* SingleLine */)), ts.createBlock([
- ts.createTry(
- /*tryBlock*/ ts.createBlock([
- ts.setEmitFlags(ts.createIf(ts.createLogicalAnd(ts.createLogicalAnd(result, ts.createLogicalNot(getDone)), ts.createAssignment(returnMethod, ts.createPropertyAccess(iterator, "return"))), ts.createExpressionStatement(createDownlevelAwait(callReturn))), 1 /* SingleLine */)
- ]),
- /*catchClause*/ undefined,
- /*finallyBlock*/ ts.setEmitFlags(ts.createBlock([
- ts.setEmitFlags(ts.createIf(errorRecord, ts.createThrow(ts.createPropertyAccess(errorRecord, "error"))), 1 /* SingleLine */)
- ]), 1 /* SingleLine */))
- ]));
- }
- function visitParameter(node) {
- if (node.transformFlags & 16384 /* ContainsObjectRestOrSpread */) {
- // Binding patterns are converted into a generated name and are
- // evaluated inside the function body.
- return ts.updateParameter(node,
- /*decorators*/ undefined,
- /*modifiers*/ undefined, node.dotDotDotToken, ts.getGeneratedNameForNode(node),
- /*questionToken*/ undefined,
- /*type*/ undefined, ts.visitNode(node.initializer, visitor, ts.isExpression));
- }
- return ts.visitEachChild(node, visitor, context);
- }
- function visitConstructorDeclaration(node) {
- var savedEnclosingFunctionFlags = enclosingFunctionFlags;
- enclosingFunctionFlags = 0 /* Normal */;
- var updated = ts.updateConstructor(node,
- /*decorators*/ undefined, node.modifiers, ts.visitParameterList(node.parameters, visitor, context), transformFunctionBody(node));
- enclosingFunctionFlags = savedEnclosingFunctionFlags;
- return updated;
- }
- function visitGetAccessorDeclaration(node) {
- var savedEnclosingFunctionFlags = enclosingFunctionFlags;
- enclosingFunctionFlags = 0 /* Normal */;
- var updated = ts.updateGetAccessor(node,
- /*decorators*/ undefined, node.modifiers, ts.visitNode(node.name, visitor, ts.isPropertyName), ts.visitParameterList(node.parameters, visitor, context),
- /*type*/ undefined, transformFunctionBody(node));
- enclosingFunctionFlags = savedEnclosingFunctionFlags;
- return updated;
- }
- function visitSetAccessorDeclaration(node) {
- var savedEnclosingFunctionFlags = enclosingFunctionFlags;
- enclosingFunctionFlags = 0 /* Normal */;
- var updated = ts.updateSetAccessor(node,
- /*decorators*/ undefined, node.modifiers, ts.visitNode(node.name, visitor, ts.isPropertyName), ts.visitParameterList(node.parameters, visitor, context), transformFunctionBody(node));
- enclosingFunctionFlags = savedEnclosingFunctionFlags;
- return updated;
- }
- function visitMethodDeclaration(node) {
- var savedEnclosingFunctionFlags = enclosingFunctionFlags;
- enclosingFunctionFlags = ts.getFunctionFlags(node);
- var updated = ts.updateMethod(node,
- /*decorators*/ undefined, enclosingFunctionFlags & 1 /* Generator */
- ? ts.visitNodes(node.modifiers, visitorNoAsyncModifier, ts.isModifier)
- : node.modifiers, enclosingFunctionFlags & 2 /* Async */
- ? undefined
- : node.asteriskToken, ts.visitNode(node.name, visitor, ts.isPropertyName), ts.visitNode(/*questionToken*/ undefined, visitor, ts.isToken),
- /*typeParameters*/ undefined, ts.visitParameterList(node.parameters, visitor, context),
- /*type*/ undefined, enclosingFunctionFlags & 2 /* Async */ && enclosingFunctionFlags & 1 /* Generator */
- ? transformAsyncGeneratorFunctionBody(node)
- : transformFunctionBody(node));
- enclosingFunctionFlags = savedEnclosingFunctionFlags;
- return updated;
- }
- function visitFunctionDeclaration(node) {
- var savedEnclosingFunctionFlags = enclosingFunctionFlags;
- enclosingFunctionFlags = ts.getFunctionFlags(node);
- var updated = ts.updateFunctionDeclaration(node,
- /*decorators*/ undefined, enclosingFunctionFlags & 1 /* Generator */
- ? ts.visitNodes(node.modifiers, visitorNoAsyncModifier, ts.isModifier)
- : node.modifiers, enclosingFunctionFlags & 2 /* Async */
- ? undefined
- : node.asteriskToken, node.name,
- /*typeParameters*/ undefined, ts.visitParameterList(node.parameters, visitor, context),
- /*type*/ undefined, enclosingFunctionFlags & 2 /* Async */ && enclosingFunctionFlags & 1 /* Generator */
- ? transformAsyncGeneratorFunctionBody(node)
- : transformFunctionBody(node));
- enclosingFunctionFlags = savedEnclosingFunctionFlags;
- return updated;
- }
- function visitArrowFunction(node) {
- var savedEnclosingFunctionFlags = enclosingFunctionFlags;
- enclosingFunctionFlags = ts.getFunctionFlags(node);
- var updated = ts.updateArrowFunction(node, node.modifiers,
- /*typeParameters*/ undefined, ts.visitParameterList(node.parameters, visitor, context),
- /*type*/ undefined, node.equalsGreaterThanToken, transformFunctionBody(node));
- enclosingFunctionFlags = savedEnclosingFunctionFlags;
- return updated;
- }
- function visitFunctionExpression(node) {
- var savedEnclosingFunctionFlags = enclosingFunctionFlags;
- enclosingFunctionFlags = ts.getFunctionFlags(node);
- var updated = ts.updateFunctionExpression(node, enclosingFunctionFlags & 1 /* Generator */
- ? ts.visitNodes(node.modifiers, visitorNoAsyncModifier, ts.isModifier)
- : node.modifiers, enclosingFunctionFlags & 2 /* Async */
- ? undefined
- : node.asteriskToken, node.name,
- /*typeParameters*/ undefined, ts.visitParameterList(node.parameters, visitor, context),
- /*type*/ undefined, enclosingFunctionFlags & 2 /* Async */ && enclosingFunctionFlags & 1 /* Generator */
- ? transformAsyncGeneratorFunctionBody(node)
- : transformFunctionBody(node));
- enclosingFunctionFlags = savedEnclosingFunctionFlags;
- return updated;
- }
- function transformAsyncGeneratorFunctionBody(node) {
- resumeLexicalEnvironment();
- var statements = [];
- var statementOffset = ts.addPrologue(statements, node.body.statements, /*ensureUseStrict*/ false, visitor);
- appendObjectRestAssignmentsIfNeeded(statements, node);
- var savedCapturedSuperProperties = capturedSuperProperties;
- var savedHasSuperElementAccess = hasSuperElementAccess;
- capturedSuperProperties = ts.createUnderscoreEscapedMap();
- hasSuperElementAccess = false;
- var returnStatement = ts.createReturn(createAsyncGeneratorHelper(context, ts.createFunctionExpression(
- /*modifiers*/ undefined, ts.createToken(41 /* AsteriskToken */), node.name && ts.getGeneratedNameForNode(node.name),
- /*typeParameters*/ undefined,
- /*parameters*/ [],
- /*type*/ undefined, ts.updateBlock(node.body, ts.visitLexicalEnvironment(node.body.statements, visitor, context, statementOffset))), !!(hierarchyFacts & 1 /* HasLexicalThis */)));
- // Minor optimization, emit `_super` helper to capture `super` access in an arrow.
- // This step isn't needed if we eventually transform this to ES5.
- var emitSuperHelpers = languageVersion >= 2 /* ES2015 */ && resolver.getNodeCheckFlags(node) & (4096 /* AsyncMethodWithSuperBinding */ | 2048 /* AsyncMethodWithSuper */);
- if (emitSuperHelpers) {
- enableSubstitutionForAsyncMethodsWithSuper();
- var variableStatement = ts.createSuperAccessVariableStatement(resolver, node, capturedSuperProperties);
- substitutedSuperAccessors[ts.getNodeId(variableStatement)] = true;
- ts.insertStatementsAfterStandardPrologue(statements, [variableStatement]);
- }
- statements.push(returnStatement);
- ts.insertStatementsAfterStandardPrologue(statements, endLexicalEnvironment());
- var block = ts.updateBlock(node.body, statements);
- if (emitSuperHelpers && hasSuperElementAccess) {
- if (resolver.getNodeCheckFlags(node) & 4096 /* AsyncMethodWithSuperBinding */) {
- ts.addEmitHelper(block, ts.advancedAsyncSuperHelper);
- }
- else if (resolver.getNodeCheckFlags(node) & 2048 /* AsyncMethodWithSuper */) {
- ts.addEmitHelper(block, ts.asyncSuperHelper);
- }
- }
- capturedSuperProperties = savedCapturedSuperProperties;
- hasSuperElementAccess = savedHasSuperElementAccess;
- return block;
- }
- function transformFunctionBody(node) {
- resumeLexicalEnvironment();
- var statementOffset = 0;
- var statements = [];
- var body = ts.visitNode(node.body, visitor, ts.isConciseBody);
- if (ts.isBlock(body)) {
- statementOffset = ts.addPrologue(statements, body.statements, /*ensureUseStrict*/ false, visitor);
- }
- ts.addRange(statements, appendObjectRestAssignmentsIfNeeded(/*statements*/ undefined, node));
- var leadingStatements = endLexicalEnvironment();
- if (statementOffset > 0 || ts.some(statements) || ts.some(leadingStatements)) {
- var block = ts.convertToFunctionBody(body, /*multiLine*/ true);
- ts.insertStatementsAfterStandardPrologue(statements, leadingStatements);
- ts.addRange(statements, block.statements.slice(statementOffset));
- return ts.updateBlock(block, ts.setTextRange(ts.createNodeArray(statements), block.statements));
- }
- return body;
- }
- function appendObjectRestAssignmentsIfNeeded(statements, node) {
- for (var _i = 0, _a = node.parameters; _i < _a.length; _i++) {
- var parameter = _a[_i];
- if (parameter.transformFlags & 16384 /* ContainsObjectRestOrSpread */) {
- var temp = ts.getGeneratedNameForNode(parameter);
- var declarations = ts.flattenDestructuringBinding(parameter, visitor, context, 1 /* ObjectRest */, temp,
- /*doNotRecordTempVariablesInLine*/ false,
- /*skipInitializer*/ true);
- if (ts.some(declarations)) {
- var statement = ts.createVariableStatement(
- /*modifiers*/ undefined, ts.createVariableDeclarationList(declarations));
- ts.setEmitFlags(statement, 1048576 /* CustomPrologue */);
- statements = ts.append(statements, statement);
- }
- }
- }
- return statements;
- }
- function enableSubstitutionForAsyncMethodsWithSuper() {
- if ((enabledSubstitutions & 1 /* AsyncMethodsWithSuper */) === 0) {
- enabledSubstitutions |= 1 /* AsyncMethodsWithSuper */;
- // We need to enable substitutions for call, property access, and element access
- // if we need to rewrite super calls.
- context.enableSubstitution(196 /* CallExpression */);
- context.enableSubstitution(194 /* PropertyAccessExpression */);
- context.enableSubstitution(195 /* ElementAccessExpression */);
- // We need to be notified when entering and exiting declarations that bind super.
- context.enableEmitNotification(245 /* ClassDeclaration */);
- context.enableEmitNotification(161 /* MethodDeclaration */);
- context.enableEmitNotification(163 /* GetAccessor */);
- context.enableEmitNotification(164 /* SetAccessor */);
- context.enableEmitNotification(162 /* Constructor */);
- // We need to be notified when entering the generated accessor arrow functions.
- context.enableEmitNotification(225 /* VariableStatement */);
- }
- }
- /**
- * Called by the printer just before a node is printed.
- *
- * @param hint A hint as to the intended usage of the node.
- * @param node The node to be printed.
- * @param emitCallback The callback used to emit the node.
- */
- function onEmitNode(hint, node, emitCallback) {
- // If we need to support substitutions for `super` in an async method,
- // we should track it here.
- if (enabledSubstitutions & 1 /* AsyncMethodsWithSuper */ && isSuperContainer(node)) {
- var superContainerFlags = resolver.getNodeCheckFlags(node) & (2048 /* AsyncMethodWithSuper */ | 4096 /* AsyncMethodWithSuperBinding */);
- if (superContainerFlags !== enclosingSuperContainerFlags) {
- var savedEnclosingSuperContainerFlags = enclosingSuperContainerFlags;
- enclosingSuperContainerFlags = superContainerFlags;
- previousOnEmitNode(hint, node, emitCallback);
- enclosingSuperContainerFlags = savedEnclosingSuperContainerFlags;
- return;
- }
- }
- // Disable substitution in the generated super accessor itself.
- else if (enabledSubstitutions && substitutedSuperAccessors[ts.getNodeId(node)]) {
- var savedEnclosingSuperContainerFlags = enclosingSuperContainerFlags;
- enclosingSuperContainerFlags = 0;
- previousOnEmitNode(hint, node, emitCallback);
- enclosingSuperContainerFlags = savedEnclosingSuperContainerFlags;
- return;
- }
- previousOnEmitNode(hint, node, emitCallback);
- }
- /**
- * Hooks node substitutions.
- *
- * @param hint The context for the emitter.
- * @param node The node to substitute.
- */
- function onSubstituteNode(hint, node) {
- node = previousOnSubstituteNode(hint, node);
- if (hint === 1 /* Expression */ && enclosingSuperContainerFlags) {
- return substituteExpression(node);
- }
- return node;
- }
- function substituteExpression(node) {
- switch (node.kind) {
- case 194 /* PropertyAccessExpression */:
- return substitutePropertyAccessExpression(node);
- case 195 /* ElementAccessExpression */:
- return substituteElementAccessExpression(node);
- case 196 /* CallExpression */:
- return substituteCallExpression(node);
- }
- return node;
- }
- function substitutePropertyAccessExpression(node) {
- if (node.expression.kind === 102 /* SuperKeyword */) {
- return ts.setTextRange(ts.createPropertyAccess(ts.createFileLevelUniqueName("_super"), node.name), node);
- }
- return node;
- }
- function substituteElementAccessExpression(node) {
- if (node.expression.kind === 102 /* SuperKeyword */) {
- return createSuperElementAccessInAsyncMethod(node.argumentExpression, node);
- }
- return node;
- }
- function substituteCallExpression(node) {
- var expression = node.expression;
- if (ts.isSuperProperty(expression)) {
- var argumentExpression = ts.isPropertyAccessExpression(expression)
- ? substitutePropertyAccessExpression(expression)
- : substituteElementAccessExpression(expression);
- return ts.createCall(ts.createPropertyAccess(argumentExpression, "call"),
- /*typeArguments*/ undefined, __spreadArrays([
- ts.createThis()
- ], node.arguments));
- }
- return node;
- }
- function isSuperContainer(node) {
- var kind = node.kind;
- return kind === 245 /* ClassDeclaration */
- || kind === 162 /* Constructor */
- || kind === 161 /* MethodDeclaration */
- || kind === 163 /* GetAccessor */
- || kind === 164 /* SetAccessor */;
- }
- function createSuperElementAccessInAsyncMethod(argumentExpression, location) {
- if (enclosingSuperContainerFlags & 4096 /* AsyncMethodWithSuperBinding */) {
- return ts.setTextRange(ts.createPropertyAccess(ts.createCall(ts.createIdentifier("_superIndex"),
- /*typeArguments*/ undefined, [argumentExpression]), "value"), location);
- }
- else {
- return ts.setTextRange(ts.createCall(ts.createIdentifier("_superIndex"),
- /*typeArguments*/ undefined, [argumentExpression]), location);
- }
- }
- }
- ts.transformES2018 = transformES2018;
- ts.assignHelper = {
- name: "typescript:assign",
- importName: "__assign",
- scoped: false,
- priority: 1,
- text: "\n var __assign = (this && this.__assign) || function () {\n __assign = Object.assign || function(t) {\n for (var s, i = 1, n = arguments.length; i < n; i++) {\n s = arguments[i];\n for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p))\n t[p] = s[p];\n }\n return t;\n };\n return __assign.apply(this, arguments);\n };"
- };
- function createAssignHelper(context, attributesSegments) {
- if (context.getCompilerOptions().target >= 2 /* ES2015 */) {
- return ts.createCall(ts.createPropertyAccess(ts.createIdentifier("Object"), "assign"), /*typeArguments*/ undefined, attributesSegments);
- }
- context.requestEmitHelper(ts.assignHelper);
- return ts.createCall(ts.getUnscopedHelperName("__assign"),
- /*typeArguments*/ undefined, attributesSegments);
- }
- ts.createAssignHelper = createAssignHelper;
- ts.awaitHelper = {
- name: "typescript:await",
- importName: "__await",
- scoped: false,
- text: "\n var __await = (this && this.__await) || function (v) { return this instanceof __await ? (this.v = v, this) : new __await(v); }"
- };
- function createAwaitHelper(context, expression) {
- context.requestEmitHelper(ts.awaitHelper);
- return ts.createCall(ts.getUnscopedHelperName("__await"), /*typeArguments*/ undefined, [expression]);
- }
- ts.asyncGeneratorHelper = {
- name: "typescript:asyncGenerator",
- importName: "__asyncGenerator",
- scoped: false,
- dependencies: [ts.awaitHelper],
- text: "\n var __asyncGenerator = (this && this.__asyncGenerator) || function (thisArg, _arguments, generator) {\n if (!Symbol.asyncIterator) throw new TypeError(\"Symbol.asyncIterator is not defined.\");\n var g = generator.apply(thisArg, _arguments || []), i, q = [];\n return i = {}, verb(\"next\"), verb(\"throw\"), verb(\"return\"), i[Symbol.asyncIterator] = function () { return this; }, i;\n function verb(n) { if (g[n]) i[n] = function (v) { return new Promise(function (a, b) { q.push([n, v, a, b]) > 1 || resume(n, v); }); }; }\n function resume(n, v) { try { step(g[n](v)); } catch (e) { settle(q[0][3], e); } }\n function step(r) { r.value instanceof __await ? Promise.resolve(r.value.v).then(fulfill, reject) : settle(q[0][2], r); }\n function fulfill(value) { resume(\"next\", value); }\n function reject(value) { resume(\"throw\", value); }\n function settle(f, v) { if (f(v), q.shift(), q.length) resume(q[0][0], q[0][1]); }\n };"
- };
- function createAsyncGeneratorHelper(context, generatorFunc, hasLexicalThis) {
- context.requestEmitHelper(ts.asyncGeneratorHelper);
- // Mark this node as originally an async function
- (generatorFunc.emitNode || (generatorFunc.emitNode = {})).flags |= 262144 /* AsyncFunctionBody */ | 524288 /* ReuseTempVariableScope */;
- return ts.createCall(ts.getUnscopedHelperName("__asyncGenerator"),
- /*typeArguments*/ undefined, [
- hasLexicalThis ? ts.createThis() : ts.createVoidZero(),
- ts.createIdentifier("arguments"),
- generatorFunc
- ]);
- }
- ts.asyncDelegator = {
- name: "typescript:asyncDelegator",
- importName: "__asyncDelegator",
- scoped: false,
- dependencies: [ts.awaitHelper],
- text: "\n var __asyncDelegator = (this && this.__asyncDelegator) || function (o) {\n var i, p;\n return i = {}, verb(\"next\"), verb(\"throw\", function (e) { throw e; }), verb(\"return\"), i[Symbol.iterator] = function () { return this; }, i;\n function verb(n, f) { i[n] = o[n] ? function (v) { return (p = !p) ? { value: __await(o[n](v)), done: n === \"return\" } : f ? f(v) : v; } : f; }\n };"
- };
- function createAsyncDelegatorHelper(context, expression, location) {
- context.requestEmitHelper(ts.asyncDelegator);
- return ts.setTextRange(ts.createCall(ts.getUnscopedHelperName("__asyncDelegator"),
- /*typeArguments*/ undefined, [expression]), location);
- }
- ts.asyncValues = {
- name: "typescript:asyncValues",
- importName: "__asyncValues",
- scoped: false,
- text: "\n var __asyncValues = (this && this.__asyncValues) || function (o) {\n if (!Symbol.asyncIterator) throw new TypeError(\"Symbol.asyncIterator is not defined.\");\n var m = o[Symbol.asyncIterator], i;\n return m ? m.call(o) : (o = typeof __values === \"function\" ? __values(o) : o[Symbol.iterator](), i = {}, verb(\"next\"), verb(\"throw\"), verb(\"return\"), i[Symbol.asyncIterator] = function () { return this; }, i);\n function verb(n) { i[n] = o[n] && function (v) { return new Promise(function (resolve, reject) { v = o[n](v), settle(resolve, reject, v.done, v.value); }); }; }\n function settle(resolve, reject, d, v) { Promise.resolve(v).then(function(v) { resolve({ value: v, done: d }); }, reject); }\n };"
- };
- function createAsyncValuesHelper(context, expression, location) {
- context.requestEmitHelper(ts.asyncValues);
- return ts.setTextRange(ts.createCall(ts.getUnscopedHelperName("__asyncValues"),
- /*typeArguments*/ undefined, [expression]), location);
- }
-})(ts || (ts = {}));
-/*@internal*/
-var ts;
-(function (ts) {
- function transformES2019(context) {
- return ts.chainBundle(transformSourceFile);
- function transformSourceFile(node) {
- if (node.isDeclarationFile) {
- return node;
- }
- return ts.visitEachChild(node, visitor, context);
- }
- function visitor(node) {
- if ((node.transformFlags & 16 /* ContainsES2019 */) === 0) {
- return node;
- }
- switch (node.kind) {
- case 280 /* CatchClause */:
- return visitCatchClause(node);
- default:
- return ts.visitEachChild(node, visitor, context);
- }
- }
- function visitCatchClause(node) {
- if (!node.variableDeclaration) {
- return ts.updateCatchClause(node, ts.createVariableDeclaration(ts.createTempVariable(/*recordTempVariable*/ undefined)), ts.visitNode(node.block, visitor, ts.isBlock));
- }
- return ts.visitEachChild(node, visitor, context);
- }
- }
- ts.transformES2019 = transformES2019;
-})(ts || (ts = {}));
-/*@internal*/
-var ts;
-(function (ts) {
- function transformES2020(context) {
- var hoistVariableDeclaration = context.hoistVariableDeclaration;
- return ts.chainBundle(transformSourceFile);
- function transformSourceFile(node) {
- if (node.isDeclarationFile) {
- return node;
- }
- return ts.visitEachChild(node, visitor, context);
- }
- function visitor(node) {
- if ((node.transformFlags & 8 /* ContainsES2020 */) === 0) {
- return node;
- }
- switch (node.kind) {
- case 194 /* PropertyAccessExpression */:
- case 195 /* ElementAccessExpression */:
- case 196 /* CallExpression */:
- if (node.flags & 32 /* OptionalChain */) {
- var updated = visitOptionalExpression(node, /*captureThisArg*/ false, /*isDelete*/ false);
- ts.Debug.assertNotNode(updated, ts.isSyntheticReference);
- return updated;
- }
- return ts.visitEachChild(node, visitor, context);
- case 209 /* BinaryExpression */:
- if (node.operatorToken.kind === 60 /* QuestionQuestionToken */) {
- return transformNullishCoalescingExpression(node);
- }
- return ts.visitEachChild(node, visitor, context);
- case 203 /* DeleteExpression */:
- return visitDeleteExpression(node);
- default:
- return ts.visitEachChild(node, visitor, context);
- }
- }
- function flattenChain(chain) {
- ts.Debug.assertNotNode(chain, ts.isNonNullChain);
- var links = [chain];
- while (!chain.questionDotToken && !ts.isTaggedTemplateExpression(chain)) {
- chain = ts.cast(ts.skipPartiallyEmittedExpressions(chain.expression), ts.isOptionalChain);
- ts.Debug.assertNotNode(chain, ts.isNonNullChain);
- links.unshift(chain);
- }
- return { expression: chain.expression, chain: links };
- }
- function visitNonOptionalParenthesizedExpression(node, captureThisArg, isDelete) {
- var expression = visitNonOptionalExpression(node.expression, captureThisArg, isDelete);
- if (ts.isSyntheticReference(expression)) {
- // `(a.b)` -> { expression `((_a = a).b)`, thisArg: `_a` }
- // `(a[b])` -> { expression `((_a = a)[b])`, thisArg: `_a` }
- return ts.createSyntheticReferenceExpression(ts.updateParen(node, expression.expression), expression.thisArg);
- }
- return ts.updateParen(node, expression);
- }
- function visitNonOptionalPropertyOrElementAccessExpression(node, captureThisArg, isDelete) {
- if (ts.isOptionalChain(node)) {
- // If `node` is an optional chain, then it is the outermost chain of an optional expression.
- return visitOptionalExpression(node, captureThisArg, isDelete);
- }
- var expression = ts.visitNode(node.expression, visitor, ts.isExpression);
- ts.Debug.assertNotNode(expression, ts.isSyntheticReference);
- var thisArg;
- if (captureThisArg) {
- if (shouldCaptureInTempVariable(expression)) {
- thisArg = ts.createTempVariable(hoistVariableDeclaration);
- expression = ts.createAssignment(thisArg, expression);
- // if (inParameterInitializer) tempVariableInParameter = true;
- }
- else {
- thisArg = expression;
- }
- }
- expression = node.kind === 194 /* PropertyAccessExpression */
- ? ts.updatePropertyAccess(node, expression, ts.visitNode(node.name, visitor, ts.isIdentifier))
- : ts.updateElementAccess(node, expression, ts.visitNode(node.argumentExpression, visitor, ts.isExpression));
- return thisArg ? ts.createSyntheticReferenceExpression(expression, thisArg) : expression;
- }
- function visitNonOptionalCallExpression(node, captureThisArg) {
- if (ts.isOptionalChain(node)) {
- // If `node` is an optional chain, then it is the outermost chain of an optional expression.
- return visitOptionalExpression(node, captureThisArg, /*isDelete*/ false);
- }
- return ts.visitEachChild(node, visitor, context);
- }
- function visitNonOptionalExpression(node, captureThisArg, isDelete) {
- switch (node.kind) {
- case 200 /* ParenthesizedExpression */: return visitNonOptionalParenthesizedExpression(node, captureThisArg, isDelete);
- case 194 /* PropertyAccessExpression */:
- case 195 /* ElementAccessExpression */: return visitNonOptionalPropertyOrElementAccessExpression(node, captureThisArg, isDelete);
- case 196 /* CallExpression */: return visitNonOptionalCallExpression(node, captureThisArg);
- default: return ts.visitNode(node, visitor, ts.isExpression);
- }
- }
- function visitOptionalExpression(node, captureThisArg, isDelete) {
- var _a = flattenChain(node), expression = _a.expression, chain = _a.chain;
- var left = visitNonOptionalExpression(expression, ts.isCallChain(chain[0]), /*isDelete*/ false);
- var leftThisArg = ts.isSyntheticReference(left) ? left.thisArg : undefined;
- var leftExpression = ts.isSyntheticReference(left) ? left.expression : left;
- var capturedLeft = leftExpression;
- if (shouldCaptureInTempVariable(leftExpression)) {
- capturedLeft = ts.createTempVariable(hoistVariableDeclaration);
- leftExpression = ts.createAssignment(capturedLeft, leftExpression);
- // if (inParameterInitializer) tempVariableInParameter = true;
- }
- var rightExpression = capturedLeft;
- var thisArg;
- for (var i = 0; i < chain.length; i++) {
- var segment = chain[i];
- switch (segment.kind) {
- case 194 /* PropertyAccessExpression */:
- case 195 /* ElementAccessExpression */:
- if (i === chain.length - 1 && captureThisArg) {
- if (shouldCaptureInTempVariable(rightExpression)) {
- thisArg = ts.createTempVariable(hoistVariableDeclaration);
- rightExpression = ts.createAssignment(thisArg, rightExpression);
- // if (inParameterInitializer) tempVariableInParameter = true;
- }
- else {
- thisArg = rightExpression;
- }
- }
- rightExpression = segment.kind === 194 /* PropertyAccessExpression */
- ? ts.createPropertyAccess(rightExpression, ts.visitNode(segment.name, visitor, ts.isIdentifier))
- : ts.createElementAccess(rightExpression, ts.visitNode(segment.argumentExpression, visitor, ts.isExpression));
- break;
- case 196 /* CallExpression */:
- if (i === 0 && leftThisArg) {
- rightExpression = ts.createFunctionCall(rightExpression, leftThisArg.kind === 102 /* SuperKeyword */ ? ts.createThis() : leftThisArg, ts.visitNodes(segment.arguments, visitor, ts.isExpression));
- }
- else {
- rightExpression = ts.createCall(rightExpression,
- /*typeArguments*/ undefined, ts.visitNodes(segment.arguments, visitor, ts.isExpression));
- }
- break;
- }
- ts.setOriginalNode(rightExpression, segment);
- }
- var target = isDelete
- ? ts.createConditional(createNotNullCondition(leftExpression, capturedLeft, /*invert*/ true), ts.createTrue(), ts.createDelete(rightExpression))
- : ts.createConditional(createNotNullCondition(leftExpression, capturedLeft, /*invert*/ true), ts.createVoidZero(), rightExpression);
- return thisArg ? ts.createSyntheticReferenceExpression(target, thisArg) : target;
- }
- function createNotNullCondition(left, right, invert) {
- return ts.createBinary(ts.createBinary(left, ts.createToken(invert ? 36 /* EqualsEqualsEqualsToken */ : 37 /* ExclamationEqualsEqualsToken */), ts.createNull()), ts.createToken(invert ? 56 /* BarBarToken */ : 55 /* AmpersandAmpersandToken */), ts.createBinary(right, ts.createToken(invert ? 36 /* EqualsEqualsEqualsToken */ : 37 /* ExclamationEqualsEqualsToken */), ts.createVoidZero()));
- }
- function transformNullishCoalescingExpression(node) {
- var left = ts.visitNode(node.left, visitor, ts.isExpression);
- var right = left;
- if (shouldCaptureInTempVariable(left)) {
- right = ts.createTempVariable(hoistVariableDeclaration);
- left = ts.createAssignment(right, left);
- // if (inParameterInitializer) tempVariableInParameter = true;
- }
- return ts.createConditional(createNotNullCondition(left, right), right, ts.visitNode(node.right, visitor, ts.isExpression));
- }
- function shouldCaptureInTempVariable(expression) {
- // don't capture identifiers and `this` in a temporary variable
- // `super` cannot be captured as it's no real variable
- return !ts.isIdentifier(expression) &&
- expression.kind !== 104 /* ThisKeyword */ &&
- expression.kind !== 102 /* SuperKeyword */;
- }
- function visitDeleteExpression(node) {
- return ts.isOptionalChain(ts.skipParentheses(node.expression))
- ? ts.setOriginalNode(visitNonOptionalExpression(node.expression, /*captureThisArg*/ false, /*isDelete*/ true), node)
- : ts.updateDelete(node, ts.visitNode(node.expression, visitor, ts.isExpression));
- }
- }
- ts.transformES2020 = transformES2020;
-})(ts || (ts = {}));
-/*@internal*/
-var ts;
-(function (ts) {
- function transformESNext(context) {
- return ts.chainBundle(transformSourceFile);
- function transformSourceFile(node) {
- if (node.isDeclarationFile) {
- return node;
- }
- return ts.visitEachChild(node, visitor, context);
- }
- function visitor(node) {
- if ((node.transformFlags & 4 /* ContainsESNext */) === 0) {
- return node;
- }
- switch (node.kind) {
- default:
- return ts.visitEachChild(node, visitor, context);
- }
- }
- }
- ts.transformESNext = transformESNext;
-})(ts || (ts = {}));
-/*@internal*/
-var ts;
-(function (ts) {
- function transformJsx(context) {
- var compilerOptions = context.getCompilerOptions();
- var currentSourceFile;
- return ts.chainBundle(transformSourceFile);
- /**
- * Transform JSX-specific syntax in a SourceFile.
- *
- * @param node A SourceFile node.
- */
- function transformSourceFile(node) {
- if (node.isDeclarationFile) {
- return node;
- }
- currentSourceFile = node;
- var visited = ts.visitEachChild(node, visitor, context);
- ts.addEmitHelpers(visited, context.readEmitHelpers());
- return visited;
- }
- function visitor(node) {
- if (node.transformFlags & 2 /* ContainsJsx */) {
- return visitorWorker(node);
- }
- else {
- return node;
- }
- }
- function visitorWorker(node) {
- switch (node.kind) {
- case 266 /* JsxElement */:
- return visitJsxElement(node, /*isChild*/ false);
- case 267 /* JsxSelfClosingElement */:
- return visitJsxSelfClosingElement(node, /*isChild*/ false);
- case 270 /* JsxFragment */:
- return visitJsxFragment(node, /*isChild*/ false);
- case 276 /* JsxExpression */:
- return visitJsxExpression(node);
- default:
- return ts.visitEachChild(node, visitor, context);
- }
- }
- function transformJsxChildToExpression(node) {
- switch (node.kind) {
- case 11 /* JsxText */:
- return visitJsxText(node);
- case 276 /* JsxExpression */:
- return visitJsxExpression(node);
- case 266 /* JsxElement */:
- return visitJsxElement(node, /*isChild*/ true);
- case 267 /* JsxSelfClosingElement */:
- return visitJsxSelfClosingElement(node, /*isChild*/ true);
- case 270 /* JsxFragment */:
- return visitJsxFragment(node, /*isChild*/ true);
- default:
- return ts.Debug.failBadSyntaxKind(node);
- }
- }
- function visitJsxElement(node, isChild) {
- return visitJsxOpeningLikeElement(node.openingElement, node.children, isChild, /*location*/ node);
- }
- function visitJsxSelfClosingElement(node, isChild) {
- return visitJsxOpeningLikeElement(node, /*children*/ undefined, isChild, /*location*/ node);
- }
- function visitJsxFragment(node, isChild) {
- return visitJsxOpeningFragment(node.openingFragment, node.children, isChild, /*location*/ node);
- }
- function visitJsxOpeningLikeElement(node, children, isChild, location) {
- var tagName = getTagName(node);
- var objectProperties;
- var attrs = node.attributes.properties;
- if (attrs.length === 0) {
- // When there are no attributes, React wants "null"
- objectProperties = ts.createNull();
- }
- else {
- // Map spans of JsxAttribute nodes into object literals and spans
- // of JsxSpreadAttribute nodes into expressions.
- var segments = ts.flatten(ts.spanMap(attrs, ts.isJsxSpreadAttribute, function (attrs, isSpread) { return isSpread
- ? ts.map(attrs, transformJsxSpreadAttributeToExpression)
- : ts.createObjectLiteral(ts.map(attrs, transformJsxAttributeToObjectLiteralElement)); }));
- if (ts.isJsxSpreadAttribute(attrs[0])) {
- // We must always emit at least one object literal before a spread
- // argument.
- segments.unshift(ts.createObjectLiteral());
- }
- // Either emit one big object literal (no spread attribs), or
- // a call to the __assign helper.
- objectProperties = ts.singleOrUndefined(segments);
- if (!objectProperties) {
- objectProperties = ts.createAssignHelper(context, segments);
- }
- }
- var element = ts.createExpressionForJsxElement(context.getEmitResolver().getJsxFactoryEntity(currentSourceFile), compilerOptions.reactNamespace, // TODO: GH#18217
- tagName, objectProperties, ts.mapDefined(children, transformJsxChildToExpression), node, location);
- if (isChild) {
- ts.startOnNewLine(element);
- }
- return element;
- }
- function visitJsxOpeningFragment(node, children, isChild, location) {
- var element = ts.createExpressionForJsxFragment(context.getEmitResolver().getJsxFactoryEntity(currentSourceFile), compilerOptions.reactNamespace, // TODO: GH#18217
- ts.mapDefined(children, transformJsxChildToExpression), node, location);
- if (isChild) {
- ts.startOnNewLine(element);
- }
- return element;
- }
- function transformJsxSpreadAttributeToExpression(node) {
- return ts.visitNode(node.expression, visitor, ts.isExpression);
- }
- function transformJsxAttributeToObjectLiteralElement(node) {
- var name = getAttributeName(node);
- var expression = transformJsxAttributeInitializer(node.initializer);
- return ts.createPropertyAssignment(name, expression);
- }
- function transformJsxAttributeInitializer(node) {
- if (node === undefined) {
- return ts.createTrue();
- }
- else if (node.kind === 10 /* StringLiteral */) {
- // Always recreate the literal to escape any escape sequences or newlines which may be in the original jsx string and which
- // Need to be escaped to be handled correctly in a normal string
- var literal = ts.createLiteral(tryDecodeEntities(node.text) || node.text);
- literal.singleQuote = node.singleQuote !== undefined ? node.singleQuote : !ts.isStringDoubleQuoted(node, currentSourceFile);
- return ts.setTextRange(literal, node);
- }
- else if (node.kind === 276 /* JsxExpression */) {
- if (node.expression === undefined) {
- return ts.createTrue();
- }
- return visitJsxExpression(node);
- }
- else {
- return ts.Debug.failBadSyntaxKind(node);
- }
- }
- function visitJsxText(node) {
- var fixed = fixupWhitespaceAndDecodeEntities(node.text);
- return fixed === undefined ? undefined : ts.createLiteral(fixed);
- }
- /**
- * JSX trims whitespace at the end and beginning of lines, except that the
- * start/end of a tag is considered a start/end of a line only if that line is
- * on the same line as the closing tag. See examples in
- * tests/cases/conformance/jsx/tsxReactEmitWhitespace.tsx
- * See also https://www.w3.org/TR/html4/struct/text.html#h-9.1 and https://www.w3.org/TR/CSS2/text.html#white-space-model
- *
- * An equivalent algorithm would be:
- * - If there is only one line, return it.
- * - If there is only whitespace (but multiple lines), return `undefined`.
- * - Split the text into lines.
- * - 'trimRight' the first line, 'trimLeft' the last line, 'trim' middle lines.
- * - Decode entities on each line (individually).
- * - Remove empty lines and join the rest with " ".
- */
- function fixupWhitespaceAndDecodeEntities(text) {
- var acc;
- // First non-whitespace character on this line.
- var firstNonWhitespace = 0;
- // Last non-whitespace character on this line.
- var lastNonWhitespace = -1;
- // These initial values are special because the first line is:
- // firstNonWhitespace = 0 to indicate that we want leading whitsepace,
- // but lastNonWhitespace = -1 as a special flag to indicate that we *don't* include the line if it's all whitespace.
- for (var i = 0; i < text.length; i++) {
- var c = text.charCodeAt(i);
- if (ts.isLineBreak(c)) {
- // If we've seen any non-whitespace characters on this line, add the 'trim' of the line.
- // (lastNonWhitespace === -1 is a special flag to detect whether the first line is all whitespace.)
- if (firstNonWhitespace !== -1 && lastNonWhitespace !== -1) {
- acc = addLineOfJsxText(acc, text.substr(firstNonWhitespace, lastNonWhitespace - firstNonWhitespace + 1));
- }
- // Reset firstNonWhitespace for the next line.
- // Don't bother to reset lastNonWhitespace because we ignore it if firstNonWhitespace = -1.
- firstNonWhitespace = -1;
- }
- else if (!ts.isWhiteSpaceSingleLine(c)) {
- lastNonWhitespace = i;
- if (firstNonWhitespace === -1) {
- firstNonWhitespace = i;
- }
- }
- }
- return firstNonWhitespace !== -1
- // Last line had a non-whitespace character. Emit the 'trimLeft', meaning keep trailing whitespace.
- ? addLineOfJsxText(acc, text.substr(firstNonWhitespace))
- // Last line was all whitespace, so ignore it
- : acc;
- }
- function addLineOfJsxText(acc, trimmedLine) {
- // We do not escape the string here as that is handled by the printer
- // when it emits the literal. We do, however, need to decode JSX entities.
- var decoded = decodeEntities(trimmedLine);
- return acc === undefined ? decoded : acc + " " + decoded;
- }
- /**
- * Replace entities like " ", "{", and "�" with the characters they encode.
- * See https://en.wikipedia.org/wiki/List_of_XML_and_HTML_character_entity_references
- */
- function decodeEntities(text) {
- return text.replace(/&((#((\d+)|x([\da-fA-F]+)))|(\w+));/g, function (match, _all, _number, _digits, decimal, hex, word) {
- if (decimal) {
- return ts.utf16EncodeAsString(parseInt(decimal, 10));
- }
- else if (hex) {
- return ts.utf16EncodeAsString(parseInt(hex, 16));
- }
- else {
- var ch = entities.get(word);
- // If this is not a valid entity, then just use `match` (replace it with itself, i.e. don't replace)
- return ch ? ts.utf16EncodeAsString(ch) : match;
- }
- });
- }
- /** Like `decodeEntities` but returns `undefined` if there were no entities to decode. */
- function tryDecodeEntities(text) {
- var decoded = decodeEntities(text);
- return decoded === text ? undefined : decoded;
- }
- function getTagName(node) {
- if (node.kind === 266 /* JsxElement */) {
- return getTagName(node.openingElement);
- }
- else {
- var name = node.tagName;
- if (ts.isIdentifier(name) && ts.isIntrinsicJsxName(name.escapedText)) {
- return ts.createLiteral(ts.idText(name));
- }
- else {
- return ts.createExpressionFromEntityName(name);
- }
- }
- }
- /**
- * Emit an attribute name, which is quoted if it needs to be quoted. Because
- * these emit into an object literal property name, we don't need to be worried
- * about keywords, just non-identifier characters
- */
- function getAttributeName(node) {
- var name = node.name;
- var text = ts.idText(name);
- if (/^[A-Za-z_]\w*$/.test(text)) {
- return name;
- }
- else {
- return ts.createLiteral(text);
- }
- }
- function visitJsxExpression(node) {
- return ts.visitNode(node.expression, visitor, ts.isExpression);
- }
- }
- ts.transformJsx = transformJsx;
- var entities = ts.createMapFromTemplate({
- quot: 0x0022,
- amp: 0x0026,
- apos: 0x0027,
- lt: 0x003C,
- gt: 0x003E,
- nbsp: 0x00A0,
- iexcl: 0x00A1,
- cent: 0x00A2,
- pound: 0x00A3,
- curren: 0x00A4,
- yen: 0x00A5,
- brvbar: 0x00A6,
- sect: 0x00A7,
- uml: 0x00A8,
- copy: 0x00A9,
- ordf: 0x00AA,
- laquo: 0x00AB,
- not: 0x00AC,
- shy: 0x00AD,
- reg: 0x00AE,
- macr: 0x00AF,
- deg: 0x00B0,
- plusmn: 0x00B1,
- sup2: 0x00B2,
- sup3: 0x00B3,
- acute: 0x00B4,
- micro: 0x00B5,
- para: 0x00B6,
- middot: 0x00B7,
- cedil: 0x00B8,
- sup1: 0x00B9,
- ordm: 0x00BA,
- raquo: 0x00BB,
- frac14: 0x00BC,
- frac12: 0x00BD,
- frac34: 0x00BE,
- iquest: 0x00BF,
- Agrave: 0x00C0,
- Aacute: 0x00C1,
- Acirc: 0x00C2,
- Atilde: 0x00C3,
- Auml: 0x00C4,
- Aring: 0x00C5,
- AElig: 0x00C6,
- Ccedil: 0x00C7,
- Egrave: 0x00C8,
- Eacute: 0x00C9,
- Ecirc: 0x00CA,
- Euml: 0x00CB,
- Igrave: 0x00CC,
- Iacute: 0x00CD,
- Icirc: 0x00CE,
- Iuml: 0x00CF,
- ETH: 0x00D0,
- Ntilde: 0x00D1,
- Ograve: 0x00D2,
- Oacute: 0x00D3,
- Ocirc: 0x00D4,
- Otilde: 0x00D5,
- Ouml: 0x00D6,
- times: 0x00D7,
- Oslash: 0x00D8,
- Ugrave: 0x00D9,
- Uacute: 0x00DA,
- Ucirc: 0x00DB,
- Uuml: 0x00DC,
- Yacute: 0x00DD,
- THORN: 0x00DE,
- szlig: 0x00DF,
- agrave: 0x00E0,
- aacute: 0x00E1,
- acirc: 0x00E2,
- atilde: 0x00E3,
- auml: 0x00E4,
- aring: 0x00E5,
- aelig: 0x00E6,
- ccedil: 0x00E7,
- egrave: 0x00E8,
- eacute: 0x00E9,
- ecirc: 0x00EA,
- euml: 0x00EB,
- igrave: 0x00EC,
- iacute: 0x00ED,
- icirc: 0x00EE,
- iuml: 0x00EF,
- eth: 0x00F0,
- ntilde: 0x00F1,
- ograve: 0x00F2,
- oacute: 0x00F3,
- ocirc: 0x00F4,
- otilde: 0x00F5,
- ouml: 0x00F6,
- divide: 0x00F7,
- oslash: 0x00F8,
- ugrave: 0x00F9,
- uacute: 0x00FA,
- ucirc: 0x00FB,
- uuml: 0x00FC,
- yacute: 0x00FD,
- thorn: 0x00FE,
- yuml: 0x00FF,
- OElig: 0x0152,
- oelig: 0x0153,
- Scaron: 0x0160,
- scaron: 0x0161,
- Yuml: 0x0178,
- fnof: 0x0192,
- circ: 0x02C6,
- tilde: 0x02DC,
- Alpha: 0x0391,
- Beta: 0x0392,
- Gamma: 0x0393,
- Delta: 0x0394,
- Epsilon: 0x0395,
- Zeta: 0x0396,
- Eta: 0x0397,
- Theta: 0x0398,
- Iota: 0x0399,
- Kappa: 0x039A,
- Lambda: 0x039B,
- Mu: 0x039C,
- Nu: 0x039D,
- Xi: 0x039E,
- Omicron: 0x039F,
- Pi: 0x03A0,
- Rho: 0x03A1,
- Sigma: 0x03A3,
- Tau: 0x03A4,
- Upsilon: 0x03A5,
- Phi: 0x03A6,
- Chi: 0x03A7,
- Psi: 0x03A8,
- Omega: 0x03A9,
- alpha: 0x03B1,
- beta: 0x03B2,
- gamma: 0x03B3,
- delta: 0x03B4,
- epsilon: 0x03B5,
- zeta: 0x03B6,
- eta: 0x03B7,
- theta: 0x03B8,
- iota: 0x03B9,
- kappa: 0x03BA,
- lambda: 0x03BB,
- mu: 0x03BC,
- nu: 0x03BD,
- xi: 0x03BE,
- omicron: 0x03BF,
- pi: 0x03C0,
- rho: 0x03C1,
- sigmaf: 0x03C2,
- sigma: 0x03C3,
- tau: 0x03C4,
- upsilon: 0x03C5,
- phi: 0x03C6,
- chi: 0x03C7,
- psi: 0x03C8,
- omega: 0x03C9,
- thetasym: 0x03D1,
- upsih: 0x03D2,
- piv: 0x03D6,
- ensp: 0x2002,
- emsp: 0x2003,
- thinsp: 0x2009,
- zwnj: 0x200C,
- zwj: 0x200D,
- lrm: 0x200E,
- rlm: 0x200F,
- ndash: 0x2013,
- mdash: 0x2014,
- lsquo: 0x2018,
- rsquo: 0x2019,
- sbquo: 0x201A,
- ldquo: 0x201C,
- rdquo: 0x201D,
- bdquo: 0x201E,
- dagger: 0x2020,
- Dagger: 0x2021,
- bull: 0x2022,
- hellip: 0x2026,
- permil: 0x2030,
- prime: 0x2032,
- Prime: 0x2033,
- lsaquo: 0x2039,
- rsaquo: 0x203A,
- oline: 0x203E,
- frasl: 0x2044,
- euro: 0x20AC,
- image: 0x2111,
- weierp: 0x2118,
- real: 0x211C,
- trade: 0x2122,
- alefsym: 0x2135,
- larr: 0x2190,
- uarr: 0x2191,
- rarr: 0x2192,
- darr: 0x2193,
- harr: 0x2194,
- crarr: 0x21B5,
- lArr: 0x21D0,
- uArr: 0x21D1,
- rArr: 0x21D2,
- dArr: 0x21D3,
- hArr: 0x21D4,
- forall: 0x2200,
- part: 0x2202,
- exist: 0x2203,
- empty: 0x2205,
- nabla: 0x2207,
- isin: 0x2208,
- notin: 0x2209,
- ni: 0x220B,
- prod: 0x220F,
- sum: 0x2211,
- minus: 0x2212,
- lowast: 0x2217,
- radic: 0x221A,
- prop: 0x221D,
- infin: 0x221E,
- ang: 0x2220,
- and: 0x2227,
- or: 0x2228,
- cap: 0x2229,
- cup: 0x222A,
- int: 0x222B,
- there4: 0x2234,
- sim: 0x223C,
- cong: 0x2245,
- asymp: 0x2248,
- ne: 0x2260,
- equiv: 0x2261,
- le: 0x2264,
- ge: 0x2265,
- sub: 0x2282,
- sup: 0x2283,
- nsub: 0x2284,
- sube: 0x2286,
- supe: 0x2287,
- oplus: 0x2295,
- otimes: 0x2297,
- perp: 0x22A5,
- sdot: 0x22C5,
- lceil: 0x2308,
- rceil: 0x2309,
- lfloor: 0x230A,
- rfloor: 0x230B,
- lang: 0x2329,
- rang: 0x232A,
- loz: 0x25CA,
- spades: 0x2660,
- clubs: 0x2663,
- hearts: 0x2665,
- diams: 0x2666
- });
-})(ts || (ts = {}));
-/*@internal*/
-var ts;
-(function (ts) {
- function transformES2016(context) {
- var hoistVariableDeclaration = context.hoistVariableDeclaration;
- return ts.chainBundle(transformSourceFile);
- function transformSourceFile(node) {
- if (node.isDeclarationFile) {
- return node;
- }
- return ts.visitEachChild(node, visitor, context);
- }
- function visitor(node) {
- if ((node.transformFlags & 128 /* ContainsES2016 */) === 0) {
- return node;
- }
- switch (node.kind) {
- case 209 /* BinaryExpression */:
- return visitBinaryExpression(node);
- default:
- return ts.visitEachChild(node, visitor, context);
- }
- }
- function visitBinaryExpression(node) {
- switch (node.operatorToken.kind) {
- case 66 /* AsteriskAsteriskEqualsToken */:
- return visitExponentiationAssignmentExpression(node);
- case 42 /* AsteriskAsteriskToken */:
- return visitExponentiationExpression(node);
- default:
- return ts.visitEachChild(node, visitor, context);
- }
- }
- function visitExponentiationAssignmentExpression(node) {
- var target;
- var value;
- var left = ts.visitNode(node.left, visitor, ts.isExpression);
- var right = ts.visitNode(node.right, visitor, ts.isExpression);
- if (ts.isElementAccessExpression(left)) {
- // Transforms `a[x] **= b` into `(_a = a)[_x = x] = Math.pow(_a[_x], b)`
- var expressionTemp = ts.createTempVariable(hoistVariableDeclaration);
- var argumentExpressionTemp = ts.createTempVariable(hoistVariableDeclaration);
- target = ts.setTextRange(ts.createElementAccess(ts.setTextRange(ts.createAssignment(expressionTemp, left.expression), left.expression), ts.setTextRange(ts.createAssignment(argumentExpressionTemp, left.argumentExpression), left.argumentExpression)), left);
- value = ts.setTextRange(ts.createElementAccess(expressionTemp, argumentExpressionTemp), left);
- }
- else if (ts.isPropertyAccessExpression(left)) {
- // Transforms `a.x **= b` into `(_a = a).x = Math.pow(_a.x, b)`
- var expressionTemp = ts.createTempVariable(hoistVariableDeclaration);
- target = ts.setTextRange(ts.createPropertyAccess(ts.setTextRange(ts.createAssignment(expressionTemp, left.expression), left.expression), left.name), left);
- value = ts.setTextRange(ts.createPropertyAccess(expressionTemp, left.name), left);
- }
- else {
- // Transforms `a **= b` into `a = Math.pow(a, b)`
- target = left;
- value = left;
- }
- return ts.setTextRange(ts.createAssignment(target, ts.createMathPow(value, right, /*location*/ node)), node);
- }
- function visitExponentiationExpression(node) {
- // Transforms `a ** b` into `Math.pow(a, b)`
- var left = ts.visitNode(node.left, visitor, ts.isExpression);
- var right = ts.visitNode(node.right, visitor, ts.isExpression);
- return ts.createMathPow(left, right, /*location*/ node);
- }
- }
- ts.transformES2016 = transformES2016;
-})(ts || (ts = {}));
-/*@internal*/
-var ts;
-(function (ts) {
- var ES2015SubstitutionFlags;
- (function (ES2015SubstitutionFlags) {
- /** Enables substitutions for captured `this` */
- ES2015SubstitutionFlags[ES2015SubstitutionFlags["CapturedThis"] = 1] = "CapturedThis";
- /** Enables substitutions for block-scoped bindings. */
- ES2015SubstitutionFlags[ES2015SubstitutionFlags["BlockScopedBindings"] = 2] = "BlockScopedBindings";
- })(ES2015SubstitutionFlags || (ES2015SubstitutionFlags = {}));
- var LoopOutParameterFlags;
- (function (LoopOutParameterFlags) {
- LoopOutParameterFlags[LoopOutParameterFlags["Body"] = 1] = "Body";
- LoopOutParameterFlags[LoopOutParameterFlags["Initializer"] = 2] = "Initializer";
- })(LoopOutParameterFlags || (LoopOutParameterFlags = {}));
- var CopyDirection;
- (function (CopyDirection) {
- CopyDirection[CopyDirection["ToOriginal"] = 0] = "ToOriginal";
- CopyDirection[CopyDirection["ToOutParameter"] = 1] = "ToOutParameter";
- })(CopyDirection || (CopyDirection = {}));
- var Jump;
- (function (Jump) {
- Jump[Jump["Break"] = 2] = "Break";
- Jump[Jump["Continue"] = 4] = "Continue";
- Jump[Jump["Return"] = 8] = "Return";
- })(Jump || (Jump = {}));
- // Facts we track as we traverse the tree
- var HierarchyFacts;
- (function (HierarchyFacts) {
- HierarchyFacts[HierarchyFacts["None"] = 0] = "None";
- //
- // Ancestor facts
- //
- HierarchyFacts[HierarchyFacts["Function"] = 1] = "Function";
- HierarchyFacts[HierarchyFacts["ArrowFunction"] = 2] = "ArrowFunction";
- HierarchyFacts[HierarchyFacts["AsyncFunctionBody"] = 4] = "AsyncFunctionBody";
- HierarchyFacts[HierarchyFacts["NonStaticClassElement"] = 8] = "NonStaticClassElement";
- HierarchyFacts[HierarchyFacts["CapturesThis"] = 16] = "CapturesThis";
- HierarchyFacts[HierarchyFacts["ExportedVariableStatement"] = 32] = "ExportedVariableStatement";
- HierarchyFacts[HierarchyFacts["TopLevel"] = 64] = "TopLevel";
- HierarchyFacts[HierarchyFacts["Block"] = 128] = "Block";
- HierarchyFacts[HierarchyFacts["IterationStatement"] = 256] = "IterationStatement";
- HierarchyFacts[HierarchyFacts["IterationStatementBlock"] = 512] = "IterationStatementBlock";
- HierarchyFacts[HierarchyFacts["IterationContainer"] = 1024] = "IterationContainer";
- HierarchyFacts[HierarchyFacts["ForStatement"] = 2048] = "ForStatement";
- HierarchyFacts[HierarchyFacts["ForInOrForOfStatement"] = 4096] = "ForInOrForOfStatement";
- HierarchyFacts[HierarchyFacts["ConstructorWithCapturedSuper"] = 8192] = "ConstructorWithCapturedSuper";
- // NOTE: do not add more ancestor flags without also updating AncestorFactsMask below.
- // NOTE: when adding a new ancestor flag, be sure to update the subtree flags below.
- //
- // Ancestor masks
- //
- HierarchyFacts[HierarchyFacts["AncestorFactsMask"] = 16383] = "AncestorFactsMask";
- // We are always in *some* kind of block scope, but only specific block-scope containers are
- // top-level or Blocks.
- HierarchyFacts[HierarchyFacts["BlockScopeIncludes"] = 0] = "BlockScopeIncludes";
- HierarchyFacts[HierarchyFacts["BlockScopeExcludes"] = 7104] = "BlockScopeExcludes";
- // A source file is a top-level block scope.
- HierarchyFacts[HierarchyFacts["SourceFileIncludes"] = 64] = "SourceFileIncludes";
- HierarchyFacts[HierarchyFacts["SourceFileExcludes"] = 8064] = "SourceFileExcludes";
- // Functions, methods, and accessors are both new lexical scopes and new block scopes.
- HierarchyFacts[HierarchyFacts["FunctionIncludes"] = 65] = "FunctionIncludes";
- HierarchyFacts[HierarchyFacts["FunctionExcludes"] = 16286] = "FunctionExcludes";
- HierarchyFacts[HierarchyFacts["AsyncFunctionBodyIncludes"] = 69] = "AsyncFunctionBodyIncludes";
- HierarchyFacts[HierarchyFacts["AsyncFunctionBodyExcludes"] = 16278] = "AsyncFunctionBodyExcludes";
- // Arrow functions are lexically scoped to their container, but are new block scopes.
- HierarchyFacts[HierarchyFacts["ArrowFunctionIncludes"] = 66] = "ArrowFunctionIncludes";
- HierarchyFacts[HierarchyFacts["ArrowFunctionExcludes"] = 15232] = "ArrowFunctionExcludes";
- // Constructors are both new lexical scopes and new block scopes. Constructors are also
- // always considered non-static members of a class.
- HierarchyFacts[HierarchyFacts["ConstructorIncludes"] = 73] = "ConstructorIncludes";
- HierarchyFacts[HierarchyFacts["ConstructorExcludes"] = 16278] = "ConstructorExcludes";
- // 'do' and 'while' statements are not block scopes. We track that the subtree is contained
- // within an IterationStatement to indicate whether the embedded statement is an
- // IterationStatementBlock.
- HierarchyFacts[HierarchyFacts["DoOrWhileStatementIncludes"] = 1280] = "DoOrWhileStatementIncludes";
- HierarchyFacts[HierarchyFacts["DoOrWhileStatementExcludes"] = 0] = "DoOrWhileStatementExcludes";
- // 'for' statements are new block scopes and have special handling for 'let' declarations.
- HierarchyFacts[HierarchyFacts["ForStatementIncludes"] = 3328] = "ForStatementIncludes";
- HierarchyFacts[HierarchyFacts["ForStatementExcludes"] = 5056] = "ForStatementExcludes";
- // 'for-in' and 'for-of' statements are new block scopes and have special handling for
- // 'let' declarations.
- HierarchyFacts[HierarchyFacts["ForInOrForOfStatementIncludes"] = 5376] = "ForInOrForOfStatementIncludes";
- HierarchyFacts[HierarchyFacts["ForInOrForOfStatementExcludes"] = 3008] = "ForInOrForOfStatementExcludes";
- // Blocks (other than function bodies) are new block scopes.
- HierarchyFacts[HierarchyFacts["BlockIncludes"] = 128] = "BlockIncludes";
- HierarchyFacts[HierarchyFacts["BlockExcludes"] = 6976] = "BlockExcludes";
- HierarchyFacts[HierarchyFacts["IterationStatementBlockIncludes"] = 512] = "IterationStatementBlockIncludes";
- HierarchyFacts[HierarchyFacts["IterationStatementBlockExcludes"] = 7104] = "IterationStatementBlockExcludes";
- //
- // Subtree facts
- //
- HierarchyFacts[HierarchyFacts["NewTarget"] = 16384] = "NewTarget";
- HierarchyFacts[HierarchyFacts["CapturedLexicalThis"] = 32768] = "CapturedLexicalThis";
- //
- // Subtree masks
- //
- HierarchyFacts[HierarchyFacts["SubtreeFactsMask"] = -16384] = "SubtreeFactsMask";
- HierarchyFacts[HierarchyFacts["ArrowFunctionSubtreeExcludes"] = 0] = "ArrowFunctionSubtreeExcludes";
- HierarchyFacts[HierarchyFacts["FunctionSubtreeExcludes"] = 49152] = "FunctionSubtreeExcludes";
- })(HierarchyFacts || (HierarchyFacts = {}));
- function transformES2015(context) {
- var startLexicalEnvironment = context.startLexicalEnvironment, resumeLexicalEnvironment = context.resumeLexicalEnvironment, endLexicalEnvironment = context.endLexicalEnvironment, hoistVariableDeclaration = context.hoistVariableDeclaration;
- var compilerOptions = context.getCompilerOptions();
- var resolver = context.getEmitResolver();
- var previousOnSubstituteNode = context.onSubstituteNode;
- var previousOnEmitNode = context.onEmitNode;
- context.onEmitNode = onEmitNode;
- context.onSubstituteNode = onSubstituteNode;
- var currentSourceFile;
- var currentText;
- var hierarchyFacts;
- var taggedTemplateStringDeclarations;
- function recordTaggedTemplateString(temp) {
- taggedTemplateStringDeclarations = ts.append(taggedTemplateStringDeclarations, ts.createVariableDeclaration(temp));
- }
- /**
- * Used to track if we are emitting body of the converted loop
- */
- var convertedLoopState;
- /**
- * Keeps track of whether substitutions have been enabled for specific cases.
- * They are persisted between each SourceFile transformation and should not
- * be reset.
- */
- var enabledSubstitutions;
- return ts.chainBundle(transformSourceFile);
- function transformSourceFile(node) {
- if (node.isDeclarationFile) {
- return node;
- }
- currentSourceFile = node;
- currentText = node.text;
- var visited = visitSourceFile(node);
- ts.addEmitHelpers(visited, context.readEmitHelpers());
- currentSourceFile = undefined;
- currentText = undefined;
- taggedTemplateStringDeclarations = undefined;
- hierarchyFacts = 0 /* None */;
- return visited;
- }
- /**
- * Sets the `HierarchyFacts` for this node prior to visiting this node's subtree, returning the facts set prior to modification.
- * @param excludeFacts The existing `HierarchyFacts` to reset before visiting the subtree.
- * @param includeFacts The new `HierarchyFacts` to set before visiting the subtree.
- */
- function enterSubtree(excludeFacts, includeFacts) {
- var ancestorFacts = hierarchyFacts;
- hierarchyFacts = (hierarchyFacts & ~excludeFacts | includeFacts) & 16383 /* AncestorFactsMask */;
- return ancestorFacts;
- }
- /**
- * Restores the `HierarchyFacts` for this node's ancestor after visiting this node's
- * subtree, propagating specific facts from the subtree.
- * @param ancestorFacts The `HierarchyFacts` of the ancestor to restore after visiting the subtree.
- * @param excludeFacts The existing `HierarchyFacts` of the subtree that should not be propagated.
- * @param includeFacts The new `HierarchyFacts` of the subtree that should be propagated.
- */
- function exitSubtree(ancestorFacts, excludeFacts, includeFacts) {
- hierarchyFacts = (hierarchyFacts & ~excludeFacts | includeFacts) & -16384 /* SubtreeFactsMask */ | ancestorFacts;
- }
- function isReturnVoidStatementInConstructorWithCapturedSuper(node) {
- return (hierarchyFacts & 8192 /* ConstructorWithCapturedSuper */) !== 0
- && node.kind === 235 /* ReturnStatement */
- && !node.expression;
- }
- function shouldVisitNode(node) {
- return (node.transformFlags & 256 /* ContainsES2015 */) !== 0
- || convertedLoopState !== undefined
- || (hierarchyFacts & 8192 /* ConstructorWithCapturedSuper */ && (ts.isStatement(node) || (node.kind === 223 /* Block */)))
- || (ts.isIterationStatement(node, /*lookInLabeledStatements*/ false) && shouldConvertIterationStatement(node))
- || (ts.getEmitFlags(node) & 33554432 /* TypeScriptClassWrapper */) !== 0;
- }
- function visitor(node) {
- if (shouldVisitNode(node)) {
- return visitJavaScript(node);
- }
- else {
- return node;
- }
- }
- function callExpressionVisitor(node) {
- if (node.kind === 102 /* SuperKeyword */) {
- return visitSuperKeyword(/*isExpressionOfCall*/ true);
- }
- return visitor(node);
- }
- function visitJavaScript(node) {
- switch (node.kind) {
- case 120 /* StaticKeyword */:
- return undefined; // elide static keyword
- case 245 /* ClassDeclaration */:
- return visitClassDeclaration(node);
- case 214 /* ClassExpression */:
- return visitClassExpression(node);
- case 156 /* Parameter */:
- return visitParameter(node);
- case 244 /* FunctionDeclaration */:
- return visitFunctionDeclaration(node);
- case 202 /* ArrowFunction */:
- return visitArrowFunction(node);
- case 201 /* FunctionExpression */:
- return visitFunctionExpression(node);
- case 242 /* VariableDeclaration */:
- return visitVariableDeclaration(node);
- case 75 /* Identifier */:
- return visitIdentifier(node);
- case 243 /* VariableDeclarationList */:
- return visitVariableDeclarationList(node);
- case 237 /* SwitchStatement */:
- return visitSwitchStatement(node);
- case 251 /* CaseBlock */:
- return visitCaseBlock(node);
- case 223 /* Block */:
- return visitBlock(node, /*isFunctionBody*/ false);
- case 234 /* BreakStatement */:
- case 233 /* ContinueStatement */:
- return visitBreakOrContinueStatement(node);
- case 238 /* LabeledStatement */:
- return visitLabeledStatement(node);
- case 228 /* DoStatement */:
- case 229 /* WhileStatement */:
- return visitDoOrWhileStatement(node, /*outermostLabeledStatement*/ undefined);
- case 230 /* ForStatement */:
- return visitForStatement(node, /*outermostLabeledStatement*/ undefined);
- case 231 /* ForInStatement */:
- return visitForInStatement(node, /*outermostLabeledStatement*/ undefined);
- case 232 /* ForOfStatement */:
- return visitForOfStatement(node, /*outermostLabeledStatement*/ undefined);
- case 226 /* ExpressionStatement */:
- return visitExpressionStatement(node);
- case 193 /* ObjectLiteralExpression */:
- return visitObjectLiteralExpression(node);
- case 280 /* CatchClause */:
- return visitCatchClause(node);
- case 282 /* ShorthandPropertyAssignment */:
- return visitShorthandPropertyAssignment(node);
- case 154 /* ComputedPropertyName */:
- return visitComputedPropertyName(node);
- case 192 /* ArrayLiteralExpression */:
- return visitArrayLiteralExpression(node);
- case 196 /* CallExpression */:
- return visitCallExpression(node);
- case 197 /* NewExpression */:
- return visitNewExpression(node);
- case 200 /* ParenthesizedExpression */:
- return visitParenthesizedExpression(node, /*needsDestructuringValue*/ true);
- case 209 /* BinaryExpression */:
- return visitBinaryExpression(node, /*needsDestructuringValue*/ true);
- case 14 /* NoSubstitutionTemplateLiteral */:
- case 15 /* TemplateHead */:
- case 16 /* TemplateMiddle */:
- case 17 /* TemplateTail */:
- return visitTemplateLiteral(node);
- case 10 /* StringLiteral */:
- return visitStringLiteral(node);
- case 8 /* NumericLiteral */:
- return visitNumericLiteral(node);
- case 198 /* TaggedTemplateExpression */:
- return visitTaggedTemplateExpression(node);
- case 211 /* TemplateExpression */:
- return visitTemplateExpression(node);
- case 212 /* YieldExpression */:
- return visitYieldExpression(node);
- case 213 /* SpreadElement */:
- return visitSpreadElement(node);
- case 102 /* SuperKeyword */:
- return visitSuperKeyword(/*isExpressionOfCall*/ false);
- case 104 /* ThisKeyword */:
- return visitThisKeyword(node);
- case 219 /* MetaProperty */:
- return visitMetaProperty(node);
- case 161 /* MethodDeclaration */:
- return visitMethodDeclaration(node);
- case 163 /* GetAccessor */:
- case 164 /* SetAccessor */:
- return visitAccessorDeclaration(node);
- case 225 /* VariableStatement */:
- return visitVariableStatement(node);
- case 235 /* ReturnStatement */:
- return visitReturnStatement(node);
- default:
- return ts.visitEachChild(node, visitor, context);
- }
- }
- function visitSourceFile(node) {
- var ancestorFacts = enterSubtree(8064 /* SourceFileExcludes */, 64 /* SourceFileIncludes */);
- var prologue = [];
- var statements = [];
- startLexicalEnvironment();
- var statementOffset = ts.addStandardPrologue(prologue, node.statements, /*ensureUseStrict*/ false);
- statementOffset = ts.addCustomPrologue(prologue, node.statements, statementOffset, visitor);
- ts.addRange(statements, ts.visitNodes(node.statements, visitor, ts.isStatement, statementOffset));
- if (taggedTemplateStringDeclarations) {
- statements.push(ts.createVariableStatement(/*modifiers*/ undefined, ts.createVariableDeclarationList(taggedTemplateStringDeclarations)));
- }
- ts.mergeLexicalEnvironment(prologue, endLexicalEnvironment());
- insertCaptureThisForNodeIfNeeded(prologue, node);
- exitSubtree(ancestorFacts, 0 /* None */, 0 /* None */);
- return ts.updateSourceFileNode(node, ts.setTextRange(ts.createNodeArray(ts.concatenate(prologue, statements)), node.statements));
- }
- function visitSwitchStatement(node) {
- if (convertedLoopState !== undefined) {
- var savedAllowedNonLabeledJumps = convertedLoopState.allowedNonLabeledJumps;
- // for switch statement allow only non-labeled break
- convertedLoopState.allowedNonLabeledJumps |= 2 /* Break */;
- var result = ts.visitEachChild(node, visitor, context);
- convertedLoopState.allowedNonLabeledJumps = savedAllowedNonLabeledJumps;
- return result;
- }
- return ts.visitEachChild(node, visitor, context);
- }
- function visitCaseBlock(node) {
- var ancestorFacts = enterSubtree(7104 /* BlockScopeExcludes */, 0 /* BlockScopeIncludes */);
- var updated = ts.visitEachChild(node, visitor, context);
- exitSubtree(ancestorFacts, 0 /* None */, 0 /* None */);
- return updated;
- }
- function returnCapturedThis(node) {
- return ts.setOriginalNode(ts.createReturn(ts.createFileLevelUniqueName("_this")), node);
- }
- function visitReturnStatement(node) {
- if (convertedLoopState) {
- convertedLoopState.nonLocalJumps |= 8 /* Return */;
- if (isReturnVoidStatementInConstructorWithCapturedSuper(node)) {
- node = returnCapturedThis(node);
- }
- return ts.createReturn(ts.createObjectLiteral([
- ts.createPropertyAssignment(ts.createIdentifier("value"), node.expression
- ? ts.visitNode(node.expression, visitor, ts.isExpression)
- : ts.createVoidZero())
- ]));
- }
- else if (isReturnVoidStatementInConstructorWithCapturedSuper(node)) {
- return returnCapturedThis(node);
- }
- return ts.visitEachChild(node, visitor, context);
- }
- function visitThisKeyword(node) {
- if (hierarchyFacts & 2 /* ArrowFunction */) {
- hierarchyFacts |= 32768 /* CapturedLexicalThis */;
- }
- if (convertedLoopState) {
- if (hierarchyFacts & 2 /* ArrowFunction */) {
- // if the enclosing function is an ArrowFunction then we use the captured 'this' keyword.
- convertedLoopState.containsLexicalThis = true;
- return node;
- }
- return convertedLoopState.thisName || (convertedLoopState.thisName = ts.createUniqueName("this"));
- }
- return node;
- }
- function visitIdentifier(node) {
- if (!convertedLoopState) {
- return node;
- }
- if (ts.isGeneratedIdentifier(node)) {
- return node;
- }
- if (node.escapedText !== "arguments" || !resolver.isArgumentsLocalBinding(node)) {
- return node;
- }
- return convertedLoopState.argumentsName || (convertedLoopState.argumentsName = ts.createUniqueName("arguments"));
- }
- function visitBreakOrContinueStatement(node) {
- if (convertedLoopState) {
- // check if we can emit break/continue as is
- // it is possible if either
- // - break/continue is labeled and label is located inside the converted loop
- // - break/continue is non-labeled and located in non-converted loop/switch statement
- var jump = node.kind === 234 /* BreakStatement */ ? 2 /* Break */ : 4 /* Continue */;
- var canUseBreakOrContinue = (node.label && convertedLoopState.labels && convertedLoopState.labels.get(ts.idText(node.label))) ||
- (!node.label && (convertedLoopState.allowedNonLabeledJumps & jump));
- if (!canUseBreakOrContinue) {
- var labelMarker = void 0;
- var label = node.label;
- if (!label) {
- if (node.kind === 234 /* BreakStatement */) {
- convertedLoopState.nonLocalJumps |= 2 /* Break */;
- labelMarker = "break";
- }
- else {
- convertedLoopState.nonLocalJumps |= 4 /* Continue */;
- // note: return value is emitted only to simplify debugging, call to converted loop body does not do any dispatching on it.
- labelMarker = "continue";
- }
- }
- else {
- if (node.kind === 234 /* BreakStatement */) {
- labelMarker = "break-" + label.escapedText;
- setLabeledJump(convertedLoopState, /*isBreak*/ true, ts.idText(label), labelMarker);
- }
- else {
- labelMarker = "continue-" + label.escapedText;
- setLabeledJump(convertedLoopState, /*isBreak*/ false, ts.idText(label), labelMarker);
- }
- }
- var returnExpression = ts.createLiteral(labelMarker);
- if (convertedLoopState.loopOutParameters.length) {
- var outParams = convertedLoopState.loopOutParameters;
- var expr = void 0;
- for (var i = 0; i < outParams.length; i++) {
- var copyExpr = copyOutParameter(outParams[i], 1 /* ToOutParameter */);
- if (i === 0) {
- expr = copyExpr;
- }
- else {
- expr = ts.createBinary(expr, 27 /* CommaToken */, copyExpr);
- }
- }
- returnExpression = ts.createBinary(expr, 27 /* CommaToken */, returnExpression);
- }
- return ts.createReturn(returnExpression);
- }
- }
- return ts.visitEachChild(node, visitor, context);
- }
- /**
- * Visits a ClassDeclaration and transforms it into a variable statement.
- *
- * @param node A ClassDeclaration node.
- */
- function visitClassDeclaration(node) {
- // [source]
- // class C { }
- //
- // [output]
- // var C = (function () {
- // function C() {
- // }
- // return C;
- // }());
- var variable = ts.createVariableDeclaration(ts.getLocalName(node, /*allowComments*/ true),
- /*type*/ undefined, transformClassLikeDeclarationToExpression(node));
- ts.setOriginalNode(variable, node);
- var statements = [];
- var statement = ts.createVariableStatement(/*modifiers*/ undefined, ts.createVariableDeclarationList([variable]));
- ts.setOriginalNode(statement, node);
- ts.setTextRange(statement, node);
- ts.startOnNewLine(statement);
- statements.push(statement);
- // Add an `export default` statement for default exports (for `--target es5 --module es6`)
- if (ts.hasModifier(node, 1 /* Export */)) {
- var exportStatement = ts.hasModifier(node, 512 /* Default */)
- ? ts.createExportDefault(ts.getLocalName(node))
- : ts.createExternalModuleExport(ts.getLocalName(node));
- ts.setOriginalNode(exportStatement, statement);
- statements.push(exportStatement);
- }
- var emitFlags = ts.getEmitFlags(node);
- if ((emitFlags & 4194304 /* HasEndOfDeclarationMarker */) === 0) {
- // Add a DeclarationMarker as a marker for the end of the declaration
- statements.push(ts.createEndOfDeclarationMarker(node));
- ts.setEmitFlags(statement, emitFlags | 4194304 /* HasEndOfDeclarationMarker */);
- }
- return ts.singleOrMany(statements);
- }
- /**
- * Visits a ClassExpression and transforms it into an expression.
- *
- * @param node A ClassExpression node.
- */
- function visitClassExpression(node) {
- // [source]
- // C = class { }
- //
- // [output]
- // C = (function () {
- // function class_1() {
- // }
- // return class_1;
- // }())
- return transformClassLikeDeclarationToExpression(node);
- }
- /**
- * Transforms a ClassExpression or ClassDeclaration into an expression.
- *
- * @param node A ClassExpression or ClassDeclaration node.
- */
- function transformClassLikeDeclarationToExpression(node) {
- // [source]
- // class C extends D {
- // constructor() {}
- // method() {}
- // get prop() {}
- // set prop(v) {}
- // }
- //
- // [output]
- // (function (_super) {
- // __extends(C, _super);
- // function C() {
- // }
- // C.prototype.method = function () {}
- // Object.defineProperty(C.prototype, "prop", {
- // get: function() {},
- // set: function() {},
- // enumerable: true,
- // configurable: true
- // });
- // return C;
- // }(D))
- if (node.name) {
- enableSubstitutionsForBlockScopedBindings();
- }
- var extendsClauseElement = ts.getClassExtendsHeritageElement(node);
- var classFunction = ts.createFunctionExpression(
- /*modifiers*/ undefined,
- /*asteriskToken*/ undefined,
- /*name*/ undefined,
- /*typeParameters*/ undefined, extendsClauseElement ? [ts.createParameter(/*decorators*/ undefined, /*modifiers*/ undefined, /*dotDotDotToken*/ undefined, ts.createFileLevelUniqueName("_super"))] : [],
- /*type*/ undefined, transformClassBody(node, extendsClauseElement));
- // To preserve the behavior of the old emitter, we explicitly indent
- // the body of the function here if it was requested in an earlier
- // transformation.
- ts.setEmitFlags(classFunction, (ts.getEmitFlags(node) & 65536 /* Indented */) | 524288 /* ReuseTempVariableScope */);
- // "inner" and "outer" below are added purely to preserve source map locations from
- // the old emitter
- var inner = ts.createPartiallyEmittedExpression(classFunction);
- inner.end = node.end;
- ts.setEmitFlags(inner, 1536 /* NoComments */);
- var outer = ts.createPartiallyEmittedExpression(inner);
- outer.end = ts.skipTrivia(currentText, node.pos);
- ts.setEmitFlags(outer, 1536 /* NoComments */);
- var result = ts.createParen(ts.createCall(outer,
- /*typeArguments*/ undefined, extendsClauseElement
- ? [ts.visitNode(extendsClauseElement.expression, visitor, ts.isExpression)]
- : []));
- ts.addSyntheticLeadingComment(result, 3 /* MultiLineCommentTrivia */, "* @class ");
- return result;
- }
- /**
- * Transforms a ClassExpression or ClassDeclaration into a function body.
- *
- * @param node A ClassExpression or ClassDeclaration node.
- * @param extendsClauseElement The expression for the class `extends` clause.
- */
- function transformClassBody(node, extendsClauseElement) {
- var statements = [];
- startLexicalEnvironment();
- addExtendsHelperIfNeeded(statements, node, extendsClauseElement);
- addConstructor(statements, node, extendsClauseElement);
- addClassMembers(statements, node);
- // Create a synthetic text range for the return statement.
- var closingBraceLocation = ts.createTokenRange(ts.skipTrivia(currentText, node.members.end), 19 /* CloseBraceToken */);
- var localName = ts.getInternalName(node);
- // The following partially-emitted expression exists purely to align our sourcemap
- // emit with the original emitter.
- var outer = ts.createPartiallyEmittedExpression(localName);
- outer.end = closingBraceLocation.end;
- ts.setEmitFlags(outer, 1536 /* NoComments */);
- var statement = ts.createReturn(outer);
- statement.pos = closingBraceLocation.pos;
- ts.setEmitFlags(statement, 1536 /* NoComments */ | 384 /* NoTokenSourceMaps */);
- statements.push(statement);
- ts.insertStatementsAfterStandardPrologue(statements, endLexicalEnvironment());
- var block = ts.createBlock(ts.setTextRange(ts.createNodeArray(statements), /*location*/ node.members), /*multiLine*/ true);
- ts.setEmitFlags(block, 1536 /* NoComments */);
- return block;
- }
- /**
- * Adds a call to the `__extends` helper if needed for a class.
- *
- * @param statements The statements of the class body function.
- * @param node The ClassExpression or ClassDeclaration node.
- * @param extendsClauseElement The expression for the class `extends` clause.
- */
- function addExtendsHelperIfNeeded(statements, node, extendsClauseElement) {
- if (extendsClauseElement) {
- statements.push(ts.setTextRange(ts.createExpressionStatement(createExtendsHelper(context, ts.getInternalName(node))),
- /*location*/ extendsClauseElement));
- }
- }
- /**
- * Adds the constructor of the class to a class body function.
- *
- * @param statements The statements of the class body function.
- * @param node The ClassExpression or ClassDeclaration node.
- * @param extendsClauseElement The expression for the class `extends` clause.
- */
- function addConstructor(statements, node, extendsClauseElement) {
- var savedConvertedLoopState = convertedLoopState;
- convertedLoopState = undefined;
- var ancestorFacts = enterSubtree(16278 /* ConstructorExcludes */, 73 /* ConstructorIncludes */);
- var constructor = ts.getFirstConstructorWithBody(node);
- var hasSynthesizedSuper = hasSynthesizedDefaultSuperCall(constructor, extendsClauseElement !== undefined);
- var constructorFunction = ts.createFunctionDeclaration(
- /*decorators*/ undefined,
- /*modifiers*/ undefined,
- /*asteriskToken*/ undefined, ts.getInternalName(node),
- /*typeParameters*/ undefined, transformConstructorParameters(constructor, hasSynthesizedSuper),
- /*type*/ undefined, transformConstructorBody(constructor, node, extendsClauseElement, hasSynthesizedSuper));
- ts.setTextRange(constructorFunction, constructor || node);
- if (extendsClauseElement) {
- ts.setEmitFlags(constructorFunction, 8 /* CapturesThis */);
- }
- statements.push(constructorFunction);
- exitSubtree(ancestorFacts, 49152 /* FunctionSubtreeExcludes */, 0 /* None */);
- convertedLoopState = savedConvertedLoopState;
- }
- /**
- * Transforms the parameters of the constructor declaration of a class.
- *
- * @param constructor The constructor for the class.
- * @param hasSynthesizedSuper A value indicating whether the constructor starts with a
- * synthesized `super` call.
- */
- function transformConstructorParameters(constructor, hasSynthesizedSuper) {
- // If the TypeScript transformer needed to synthesize a constructor for property
- // initializers, it would have also added a synthetic `...args` parameter and
- // `super` call.
- // If this is the case, we do not include the synthetic `...args` parameter and
- // will instead use the `arguments` object in ES5/3.
- return ts.visitParameterList(constructor && !hasSynthesizedSuper ? constructor.parameters : undefined, visitor, context)
- || [];
- }
- function createDefaultConstructorBody(node, isDerivedClass) {
- // We must be here because the user didn't write a constructor
- // but we needed to call 'super(...args)' anyway as per 14.5.14 of the ES2016 spec.
- // If that's the case we can just immediately return the result of a 'super()' call.
- var statements = [];
- resumeLexicalEnvironment();
- ts.mergeLexicalEnvironment(statements, endLexicalEnvironment());
- if (isDerivedClass) {
- // return _super !== null && _super.apply(this, arguments) || this;
- statements.push(ts.createReturn(createDefaultSuperCallOrThis()));
- }
- var statementsArray = ts.createNodeArray(statements);
- ts.setTextRange(statementsArray, node.members);
- var block = ts.createBlock(statementsArray, /*multiLine*/ true);
- ts.setTextRange(block, node);
- ts.setEmitFlags(block, 1536 /* NoComments */);
- return block;
- }
- /**
- * Transforms the body of a constructor declaration of a class.
- *
- * @param constructor The constructor for the class.
- * @param node The node which contains the constructor.
- * @param extendsClauseElement The expression for the class `extends` clause.
- * @param hasSynthesizedSuper A value indicating whether the constructor starts with a
- * synthesized `super` call.
- */
- function transformConstructorBody(constructor, node, extendsClauseElement, hasSynthesizedSuper) {
- // determine whether the class is known syntactically to be a derived class (e.g. a
- // class that extends a value that is not syntactically known to be `null`).
- var isDerivedClass = !!extendsClauseElement && ts.skipOuterExpressions(extendsClauseElement.expression).kind !== 100 /* NullKeyword */;
- // When the subclass does not have a constructor, we synthesize a *default* constructor using the following
- // representation:
- //
- // ```
- // // es2015 (source)
- // class C extends Base { }
- //
- // // es5 (transformed)
- // var C = (function (_super) {
- // function C() {
- // return _super.apply(this, arguments) || this;
- // }
- // return C;
- // })(Base);
- // ```
- if (!constructor)
- return createDefaultConstructorBody(node, isDerivedClass);
- // The prologue will contain all leading standard and custom prologue statements added by this transform
- var prologue = [];
- var statements = [];
- resumeLexicalEnvironment();
- // If a super call has already been synthesized,
- // we're going to assume that we should just transform everything after that.
- // The assumption is that no prior step in the pipeline has added any prologue directives.
- var statementOffset = 0;
- if (!hasSynthesizedSuper)
- statementOffset = ts.addStandardPrologue(prologue, constructor.body.statements, /*ensureUseStrict*/ false);
- addDefaultValueAssignmentsIfNeeded(statements, constructor);
- addRestParameterIfNeeded(statements, constructor, hasSynthesizedSuper);
- if (!hasSynthesizedSuper)
- statementOffset = ts.addCustomPrologue(statements, constructor.body.statements, statementOffset, visitor);
- // If the first statement is a call to `super()`, visit the statement directly
- var superCallExpression;
- if (hasSynthesizedSuper) {
- superCallExpression = createDefaultSuperCallOrThis();
- }
- else if (isDerivedClass && statementOffset < constructor.body.statements.length) {
- var firstStatement = constructor.body.statements[statementOffset];
- if (ts.isExpressionStatement(firstStatement) && ts.isSuperCall(firstStatement.expression)) {
- superCallExpression = visitImmediateSuperCallInBody(firstStatement.expression);
- }
- }
- if (superCallExpression) {
- hierarchyFacts |= 8192 /* ConstructorWithCapturedSuper */;
- statementOffset++; // skip this statement, we will add it after visiting the rest of the body.
- }
- // visit the remaining statements
- ts.addRange(statements, ts.visitNodes(constructor.body.statements, visitor, ts.isStatement, /*start*/ statementOffset));
- ts.mergeLexicalEnvironment(prologue, endLexicalEnvironment());
- insertCaptureNewTargetIfNeeded(prologue, constructor, /*copyOnWrite*/ false);
- if (isDerivedClass) {
- if (superCallExpression && statementOffset === constructor.body.statements.length && !(constructor.body.transformFlags & 4096 /* ContainsLexicalThis */)) {
- // If the subclass constructor does *not* contain `this` and *ends* with a `super()` call, we will use the
- // following representation:
- //
- // ```
- // // es2015 (source)
- // class C extends Base {
- // constructor() {
- // super("foo");
- // }
- // }
- //
- // // es5 (transformed)
- // var C = (function (_super) {
- // function C() {
- // return _super.call(this, "foo") || this;
- // }
- // return C;
- // })(Base);
- // ```
- var superCall = ts.cast(ts.cast(superCallExpression, ts.isBinaryExpression).left, ts.isCallExpression);
- var returnStatement = ts.createReturn(superCallExpression);
- ts.setCommentRange(returnStatement, ts.getCommentRange(superCall));
- ts.setEmitFlags(superCall, 1536 /* NoComments */);
- statements.push(returnStatement);
- }
- else {
- // Otherwise, we will use the following transformed representation for calls to `super()` in a constructor:
- //
- // ```
- // // es2015 (source)
- // class C extends Base {
- // constructor() {
- // super("foo");
- // this.x = 1;
- // }
- // }
- //
- // // es5 (transformed)
- // var C = (function (_super) {
- // function C() {
- // var _this = _super.call(this, "foo") || this;
- // _this.x = 1;
- // return _this;
- // }
- // return C;
- // })(Base);
- // ```
- // Since the `super()` call was the first statement, we insert the `this` capturing call to
- // `super()` at the top of the list of `statements` (after any pre-existing custom prologues).
- insertCaptureThisForNode(statements, constructor, superCallExpression || createActualThis());
- if (!isSufficientlyCoveredByReturnStatements(constructor.body)) {
- statements.push(ts.createReturn(ts.createFileLevelUniqueName("_this")));
- }
- }
- }
- else {
- // If a class is not derived from a base class or does not have a call to `super()`, `this` is only
- // captured when necessitated by an arrow function capturing the lexical `this`:
- //
- // ```
- // // es2015
- // class C {}
- //
- // // es5
- // var C = (function () {
- // function C() {
- // }
- // return C;
- // })();
- // ```
- insertCaptureThisForNodeIfNeeded(prologue, constructor);
- }
- var block = ts.createBlock(ts.setTextRange(ts.createNodeArray(ts.concatenate(prologue, statements)),
- /*location*/ constructor.body.statements),
- /*multiLine*/ true);
- ts.setTextRange(block, constructor.body);
- return block;
- }
- /**
- * We want to try to avoid emitting a return statement in certain cases if a user already returned something.
- * It would generate obviously dead code, so we'll try to make things a little bit prettier
- * by doing a minimal check on whether some common patterns always explicitly return.
- */
- function isSufficientlyCoveredByReturnStatements(statement) {
- // A return statement is considered covered.
- if (statement.kind === 235 /* ReturnStatement */) {
- return true;
- }
- // An if-statement with two covered branches is covered.
- else if (statement.kind === 227 /* IfStatement */) {
- var ifStatement = statement;
- if (ifStatement.elseStatement) {
- return isSufficientlyCoveredByReturnStatements(ifStatement.thenStatement) &&
- isSufficientlyCoveredByReturnStatements(ifStatement.elseStatement);
- }
- }
- // A block is covered if it has a last statement which is covered.
- else if (statement.kind === 223 /* Block */) {
- var lastStatement = ts.lastOrUndefined(statement.statements);
- if (lastStatement && isSufficientlyCoveredByReturnStatements(lastStatement)) {
- return true;
- }
- }
- return false;
- }
- function createActualThis() {
- return ts.setEmitFlags(ts.createThis(), 4 /* NoSubstitution */);
- }
- function createDefaultSuperCallOrThis() {
- return ts.createLogicalOr(ts.createLogicalAnd(ts.createStrictInequality(ts.createFileLevelUniqueName("_super"), ts.createNull()), ts.createFunctionApply(ts.createFileLevelUniqueName("_super"), createActualThis(), ts.createIdentifier("arguments"))), createActualThis());
- }
- /**
- * Visits a parameter declaration.
- *
- * @param node A ParameterDeclaration node.
- */
- function visitParameter(node) {
- if (node.dotDotDotToken) {
- // rest parameters are elided
- return undefined;
- }
- else if (ts.isBindingPattern(node.name)) {
- // Binding patterns are converted into a generated name and are
- // evaluated inside the function body.
- return ts.setOriginalNode(ts.setTextRange(ts.createParameter(
- /*decorators*/ undefined,
- /*modifiers*/ undefined,
- /*dotDotDotToken*/ undefined, ts.getGeneratedNameForNode(node),
- /*questionToken*/ undefined,
- /*type*/ undefined,
- /*initializer*/ undefined),
- /*location*/ node),
- /*original*/ node);
- }
- else if (node.initializer) {
- // Initializers are elided
- return ts.setOriginalNode(ts.setTextRange(ts.createParameter(
- /*decorators*/ undefined,
- /*modifiers*/ undefined,
- /*dotDotDotToken*/ undefined, node.name,
- /*questionToken*/ undefined,
- /*type*/ undefined,
- /*initializer*/ undefined),
- /*location*/ node),
- /*original*/ node);
- }
- else {
- return node;
- }
- }
- function hasDefaultValueOrBindingPattern(node) {
- return node.initializer !== undefined
- || ts.isBindingPattern(node.name);
- }
- /**
- * Adds statements to the body of a function-like node if it contains parameters with
- * binding patterns or initializers.
- *
- * @param statements The statements for the new function body.
- * @param node A function-like node.
- */
- function addDefaultValueAssignmentsIfNeeded(statements, node) {
- if (!ts.some(node.parameters, hasDefaultValueOrBindingPattern)) {
- return false;
- }
- var added = false;
- for (var _i = 0, _a = node.parameters; _i < _a.length; _i++) {
- var parameter = _a[_i];
- var name = parameter.name, initializer = parameter.initializer, dotDotDotToken = parameter.dotDotDotToken;
- // A rest parameter cannot have a binding pattern or an initializer,
- // so let's just ignore it.
- if (dotDotDotToken) {
- continue;
- }
- if (ts.isBindingPattern(name)) {
- added = insertDefaultValueAssignmentForBindingPattern(statements, parameter, name, initializer) || added;
- }
- else if (initializer) {
- insertDefaultValueAssignmentForInitializer(statements, parameter, name, initializer);
- added = true;
- }
- }
- return added;
- }
- /**
- * Adds statements to the body of a function-like node for parameters with binding patterns
- *
- * @param statements The statements for the new function body.
- * @param parameter The parameter for the function.
- * @param name The name of the parameter.
- * @param initializer The initializer for the parameter.
- */
- function insertDefaultValueAssignmentForBindingPattern(statements, parameter, name, initializer) {
- // In cases where a binding pattern is simply '[]' or '{}',
- // we usually don't want to emit a var declaration; however, in the presence
- // of an initializer, we must emit that expression to preserve side effects.
- if (name.elements.length > 0) {
- ts.insertStatementAfterCustomPrologue(statements, ts.setEmitFlags(ts.createVariableStatement(
- /*modifiers*/ undefined, ts.createVariableDeclarationList(ts.flattenDestructuringBinding(parameter, visitor, context, 0 /* All */, ts.getGeneratedNameForNode(parameter)))), 1048576 /* CustomPrologue */));
- return true;
- }
- else if (initializer) {
- ts.insertStatementAfterCustomPrologue(statements, ts.setEmitFlags(ts.createExpressionStatement(ts.createAssignment(ts.getGeneratedNameForNode(parameter), ts.visitNode(initializer, visitor, ts.isExpression))), 1048576 /* CustomPrologue */));
- return true;
- }
- return false;
- }
- /**
- * Adds statements to the body of a function-like node for parameters with initializers.
- *
- * @param statements The statements for the new function body.
- * @param parameter The parameter for the function.
- * @param name The name of the parameter.
- * @param initializer The initializer for the parameter.
- */
- function insertDefaultValueAssignmentForInitializer(statements, parameter, name, initializer) {
- initializer = ts.visitNode(initializer, visitor, ts.isExpression);
- var statement = ts.createIf(ts.createTypeCheck(ts.getSynthesizedClone(name), "undefined"), ts.setEmitFlags(ts.setTextRange(ts.createBlock([
- ts.createExpressionStatement(ts.setEmitFlags(ts.setTextRange(ts.createAssignment(ts.setEmitFlags(ts.getMutableClone(name), 48 /* NoSourceMap */), ts.setEmitFlags(initializer, 48 /* NoSourceMap */ | ts.getEmitFlags(initializer) | 1536 /* NoComments */)), parameter), 1536 /* NoComments */))
- ]), parameter), 1 /* SingleLine */ | 32 /* NoTrailingSourceMap */ | 384 /* NoTokenSourceMaps */ | 1536 /* NoComments */));
- ts.startOnNewLine(statement);
- ts.setTextRange(statement, parameter);
- ts.setEmitFlags(statement, 384 /* NoTokenSourceMaps */ | 32 /* NoTrailingSourceMap */ | 1048576 /* CustomPrologue */ | 1536 /* NoComments */);
- ts.insertStatementAfterCustomPrologue(statements, statement);
- }
- /**
- * Gets a value indicating whether we need to add statements to handle a rest parameter.
- *
- * @param node A ParameterDeclaration node.
- * @param inConstructorWithSynthesizedSuper A value indicating whether the parameter is
- * part of a constructor declaration with a
- * synthesized call to `super`
- */
- function shouldAddRestParameter(node, inConstructorWithSynthesizedSuper) {
- return !!(node && node.dotDotDotToken && !inConstructorWithSynthesizedSuper);
- }
- /**
- * Adds statements to the body of a function-like node if it contains a rest parameter.
- *
- * @param statements The statements for the new function body.
- * @param node A function-like node.
- * @param inConstructorWithSynthesizedSuper A value indicating whether the parameter is
- * part of a constructor declaration with a
- * synthesized call to `super`
- */
- function addRestParameterIfNeeded(statements, node, inConstructorWithSynthesizedSuper) {
- var prologueStatements = [];
- var parameter = ts.lastOrUndefined(node.parameters);
- if (!shouldAddRestParameter(parameter, inConstructorWithSynthesizedSuper)) {
- return false;
- }
- // `declarationName` is the name of the local declaration for the parameter.
- var declarationName = parameter.name.kind === 75 /* Identifier */ ? ts.getMutableClone(parameter.name) : ts.createTempVariable(/*recordTempVariable*/ undefined);
- ts.setEmitFlags(declarationName, 48 /* NoSourceMap */);
- // `expressionName` is the name of the parameter used in expressions.
- var expressionName = parameter.name.kind === 75 /* Identifier */ ? ts.getSynthesizedClone(parameter.name) : declarationName;
- var restIndex = node.parameters.length - 1;
- var temp = ts.createLoopVariable();
- // var param = [];
- prologueStatements.push(ts.setEmitFlags(ts.setTextRange(ts.createVariableStatement(
- /*modifiers*/ undefined, ts.createVariableDeclarationList([
- ts.createVariableDeclaration(declarationName,
- /*type*/ undefined, ts.createArrayLiteral([]))
- ])),
- /*location*/ parameter), 1048576 /* CustomPrologue */));
- // for (var _i = restIndex; _i < arguments.length; _i++) {
- // param[_i - restIndex] = arguments[_i];
- // }
- var forStatement = ts.createFor(ts.setTextRange(ts.createVariableDeclarationList([
- ts.createVariableDeclaration(temp, /*type*/ undefined, ts.createLiteral(restIndex))
- ]), parameter), ts.setTextRange(ts.createLessThan(temp, ts.createPropertyAccess(ts.createIdentifier("arguments"), "length")), parameter), ts.setTextRange(ts.createPostfixIncrement(temp), parameter), ts.createBlock([
- ts.startOnNewLine(ts.setTextRange(ts.createExpressionStatement(ts.createAssignment(ts.createElementAccess(expressionName, restIndex === 0
- ? temp
- : ts.createSubtract(temp, ts.createLiteral(restIndex))), ts.createElementAccess(ts.createIdentifier("arguments"), temp))),
- /*location*/ parameter))
- ]));
- ts.setEmitFlags(forStatement, 1048576 /* CustomPrologue */);
- ts.startOnNewLine(forStatement);
- prologueStatements.push(forStatement);
- if (parameter.name.kind !== 75 /* Identifier */) {
- // do the actual destructuring of the rest parameter if necessary
- prologueStatements.push(ts.setEmitFlags(ts.setTextRange(ts.createVariableStatement(
- /*modifiers*/ undefined, ts.createVariableDeclarationList(ts.flattenDestructuringBinding(parameter, visitor, context, 0 /* All */, expressionName))), parameter), 1048576 /* CustomPrologue */));
- }
- ts.insertStatementsAfterCustomPrologue(statements, prologueStatements);
- return true;
- }
- /**
- * Adds a statement to capture the `this` of a function declaration if it is needed.
- * NOTE: This must be executed *after* the subtree has been visited.
- *
- * @param statements The statements for the new function body.
- * @param node A node.
- */
- function insertCaptureThisForNodeIfNeeded(statements, node) {
- if (hierarchyFacts & 32768 /* CapturedLexicalThis */ && node.kind !== 202 /* ArrowFunction */) {
- insertCaptureThisForNode(statements, node, ts.createThis());
- return true;
- }
- return false;
- }
- function insertCaptureThisForNode(statements, node, initializer) {
- enableSubstitutionsForCapturedThis();
- var captureThisStatement = ts.createVariableStatement(
- /*modifiers*/ undefined, ts.createVariableDeclarationList([
- ts.createVariableDeclaration(ts.createFileLevelUniqueName("_this"),
- /*type*/ undefined, initializer)
- ]));
- ts.setEmitFlags(captureThisStatement, 1536 /* NoComments */ | 1048576 /* CustomPrologue */);
- ts.setSourceMapRange(captureThisStatement, node);
- ts.insertStatementAfterCustomPrologue(statements, captureThisStatement);
- }
- function insertCaptureNewTargetIfNeeded(statements, node, copyOnWrite) {
- if (hierarchyFacts & 16384 /* NewTarget */) {
- var newTarget = void 0;
- switch (node.kind) {
- case 202 /* ArrowFunction */:
- return statements;
- case 161 /* MethodDeclaration */:
- case 163 /* GetAccessor */:
- case 164 /* SetAccessor */:
- // Methods and accessors cannot be constructors, so 'new.target' will
- // always return 'undefined'.
- newTarget = ts.createVoidZero();
- break;
- case 162 /* Constructor */:
- // Class constructors can only be called with `new`, so `this.constructor`
- // should be relatively safe to use.
- newTarget = ts.createPropertyAccess(ts.setEmitFlags(ts.createThis(), 4 /* NoSubstitution */), "constructor");
- break;
- case 244 /* FunctionDeclaration */:
- case 201 /* FunctionExpression */:
- // Functions can be called or constructed, and may have a `this` due to
- // being a member or when calling an imported function via `other_1.f()`.
- newTarget = ts.createConditional(ts.createLogicalAnd(ts.setEmitFlags(ts.createThis(), 4 /* NoSubstitution */), ts.createBinary(ts.setEmitFlags(ts.createThis(), 4 /* NoSubstitution */), 98 /* InstanceOfKeyword */, ts.getLocalName(node))), ts.createPropertyAccess(ts.setEmitFlags(ts.createThis(), 4 /* NoSubstitution */), "constructor"), ts.createVoidZero());
- break;
- default:
- return ts.Debug.failBadSyntaxKind(node);
- }
- var captureNewTargetStatement = ts.createVariableStatement(
- /*modifiers*/ undefined, ts.createVariableDeclarationList([
- ts.createVariableDeclaration(ts.createFileLevelUniqueName("_newTarget"),
- /*type*/ undefined, newTarget)
- ]));
- ts.setEmitFlags(captureNewTargetStatement, 1536 /* NoComments */ | 1048576 /* CustomPrologue */);
- if (copyOnWrite) {
- statements = statements.slice();
- }
- ts.insertStatementAfterCustomPrologue(statements, captureNewTargetStatement);
- }
- return statements;
- }
- /**
- * Adds statements to the class body function for a class to define the members of the
- * class.
- *
- * @param statements The statements for the class body function.
- * @param node The ClassExpression or ClassDeclaration node.
- */
- function addClassMembers(statements, node) {
- for (var _i = 0, _a = node.members; _i < _a.length; _i++) {
- var member = _a[_i];
- switch (member.kind) {
- case 222 /* SemicolonClassElement */:
- statements.push(transformSemicolonClassElementToStatement(member));
- break;
- case 161 /* MethodDeclaration */:
- statements.push(transformClassMethodDeclarationToStatement(getClassMemberPrefix(node, member), member, node));
- break;
- case 163 /* GetAccessor */:
- case 164 /* SetAccessor */:
- var accessors = ts.getAllAccessorDeclarations(node.members, member);
- if (member === accessors.firstAccessor) {
- statements.push(transformAccessorsToStatement(getClassMemberPrefix(node, member), accessors, node));
- }
- break;
- case 162 /* Constructor */:
- // Constructors are handled in visitClassExpression/visitClassDeclaration
- break;
- default:
- ts.Debug.failBadSyntaxKind(member, currentSourceFile && currentSourceFile.fileName);
- break;
- }
- }
- }
- /**
- * Transforms a SemicolonClassElement into a statement for a class body function.
- *
- * @param member The SemicolonClassElement node.
- */
- function transformSemicolonClassElementToStatement(member) {
- return ts.setTextRange(ts.createEmptyStatement(), member);
- }
- /**
- * Transforms a MethodDeclaration into a statement for a class body function.
- *
- * @param receiver The receiver for the member.
- * @param member The MethodDeclaration node.
- */
- function transformClassMethodDeclarationToStatement(receiver, member, container) {
- var commentRange = ts.getCommentRange(member);
- var sourceMapRange = ts.getSourceMapRange(member);
- var memberFunction = transformFunctionLikeToExpression(member, /*location*/ member, /*name*/ undefined, container);
- var propertyName = ts.visitNode(member.name, visitor, ts.isPropertyName);
- var e;
- if (!ts.isPrivateIdentifier(propertyName) && context.getCompilerOptions().useDefineForClassFields) {
- var name = ts.isComputedPropertyName(propertyName) ? propertyName.expression
- : ts.isIdentifier(propertyName) ? ts.createStringLiteral(ts.unescapeLeadingUnderscores(propertyName.escapedText))
- : propertyName;
- e = ts.createObjectDefinePropertyCall(receiver, name, ts.createPropertyDescriptor({ value: memberFunction, enumerable: false, writable: true, configurable: true }));
- }
- else {
- var memberName = ts.createMemberAccessForPropertyName(receiver, propertyName, /*location*/ member.name);
- e = ts.createAssignment(memberName, memberFunction);
- }
- ts.setEmitFlags(memberFunction, 1536 /* NoComments */);
- ts.setSourceMapRange(memberFunction, sourceMapRange);
- var statement = ts.setTextRange(ts.createExpressionStatement(e), /*location*/ member);
- ts.setOriginalNode(statement, member);
- ts.setCommentRange(statement, commentRange);
- // The location for the statement is used to emit comments only.
- // No source map should be emitted for this statement to align with the
- // old emitter.
- ts.setEmitFlags(statement, 48 /* NoSourceMap */);
- return statement;
- }
- /**
- * Transforms a set of related of get/set accessors into a statement for a class body function.
- *
- * @param receiver The receiver for the member.
- * @param accessors The set of related get/set accessors.
- */
- function transformAccessorsToStatement(receiver, accessors, container) {
- var statement = ts.createExpressionStatement(transformAccessorsToExpression(receiver, accessors, container, /*startsOnNewLine*/ false));
- // The location for the statement is used to emit source maps only.
- // No comments should be emitted for this statement to align with the
- // old emitter.
- ts.setEmitFlags(statement, 1536 /* NoComments */);
- ts.setSourceMapRange(statement, ts.getSourceMapRange(accessors.firstAccessor));
- return statement;
- }
- /**
- * Transforms a set of related get/set accessors into an expression for either a class
- * body function or an ObjectLiteralExpression with computed properties.
- *
- * @param receiver The receiver for the member.
- */
- function transformAccessorsToExpression(receiver, _a, container, startsOnNewLine) {
- var firstAccessor = _a.firstAccessor, getAccessor = _a.getAccessor, setAccessor = _a.setAccessor;
- // To align with source maps in the old emitter, the receiver and property name
- // arguments are both mapped contiguously to the accessor name.
- var target = ts.getMutableClone(receiver);
- ts.setEmitFlags(target, 1536 /* NoComments */ | 32 /* NoTrailingSourceMap */);
- ts.setSourceMapRange(target, firstAccessor.name);
- var visitedAccessorName = ts.visitNode(firstAccessor.name, visitor, ts.isPropertyName);
- if (ts.isPrivateIdentifier(visitedAccessorName)) {
- return ts.Debug.failBadSyntaxKind(visitedAccessorName, "Encountered unhandled private identifier while transforming ES2015.");
- }
- var propertyName = ts.createExpressionForPropertyName(visitedAccessorName);
- ts.setEmitFlags(propertyName, 1536 /* NoComments */ | 16 /* NoLeadingSourceMap */);
- ts.setSourceMapRange(propertyName, firstAccessor.name);
- var properties = [];
- if (getAccessor) {
- var getterFunction = transformFunctionLikeToExpression(getAccessor, /*location*/ undefined, /*name*/ undefined, container);
- ts.setSourceMapRange(getterFunction, ts.getSourceMapRange(getAccessor));
- ts.setEmitFlags(getterFunction, 512 /* NoLeadingComments */);
- var getter = ts.createPropertyAssignment("get", getterFunction);
- ts.setCommentRange(getter, ts.getCommentRange(getAccessor));
- properties.push(getter);
- }
- if (setAccessor) {
- var setterFunction = transformFunctionLikeToExpression(setAccessor, /*location*/ undefined, /*name*/ undefined, container);
- ts.setSourceMapRange(setterFunction, ts.getSourceMapRange(setAccessor));
- ts.setEmitFlags(setterFunction, 512 /* NoLeadingComments */);
- var setter = ts.createPropertyAssignment("set", setterFunction);
- ts.setCommentRange(setter, ts.getCommentRange(setAccessor));
- properties.push(setter);
- }
- properties.push(ts.createPropertyAssignment("enumerable", getAccessor || setAccessor ? ts.createFalse() : ts.createTrue()), ts.createPropertyAssignment("configurable", ts.createTrue()));
- var call = ts.createCall(ts.createPropertyAccess(ts.createIdentifier("Object"), "defineProperty"),
- /*typeArguments*/ undefined, [
- target,
- propertyName,
- ts.createObjectLiteral(properties, /*multiLine*/ true)
- ]);
- if (startsOnNewLine) {
- ts.startOnNewLine(call);
- }
- return call;
- }
- /**
- * Visits an ArrowFunction and transforms it into a FunctionExpression.
- *
- * @param node An ArrowFunction node.
- */
- function visitArrowFunction(node) {
- if (node.transformFlags & 4096 /* ContainsLexicalThis */) {
- hierarchyFacts |= 32768 /* CapturedLexicalThis */;
- }
- var savedConvertedLoopState = convertedLoopState;
- convertedLoopState = undefined;
- var ancestorFacts = enterSubtree(15232 /* ArrowFunctionExcludes */, 66 /* ArrowFunctionIncludes */);
- var func = ts.createFunctionExpression(
- /*modifiers*/ undefined,
- /*asteriskToken*/ undefined,
- /*name*/ undefined,
- /*typeParameters*/ undefined, ts.visitParameterList(node.parameters, visitor, context),
- /*type*/ undefined, transformFunctionBody(node));
- ts.setTextRange(func, node);
- ts.setOriginalNode(func, node);
- ts.setEmitFlags(func, 8 /* CapturesThis */);
- if (hierarchyFacts & 32768 /* CapturedLexicalThis */) {
- enableSubstitutionsForCapturedThis();
- }
- // If an arrow function contains
- exitSubtree(ancestorFacts, 0 /* ArrowFunctionSubtreeExcludes */, 0 /* None */);
- convertedLoopState = savedConvertedLoopState;
- return func;
- }
- /**
- * Visits a FunctionExpression node.
- *
- * @param node a FunctionExpression node.
- */
- function visitFunctionExpression(node) {
- var ancestorFacts = ts.getEmitFlags(node) & 262144 /* AsyncFunctionBody */
- ? enterSubtree(16278 /* AsyncFunctionBodyExcludes */, 69 /* AsyncFunctionBodyIncludes */)
- : enterSubtree(16286 /* FunctionExcludes */, 65 /* FunctionIncludes */);
- var savedConvertedLoopState = convertedLoopState;
- convertedLoopState = undefined;
- var parameters = ts.visitParameterList(node.parameters, visitor, context);
- var body = transformFunctionBody(node);
- var name = hierarchyFacts & 16384 /* NewTarget */
- ? ts.getLocalName(node)
- : node.name;
- exitSubtree(ancestorFacts, 49152 /* FunctionSubtreeExcludes */, 0 /* None */);
- convertedLoopState = savedConvertedLoopState;
- return ts.updateFunctionExpression(node,
- /*modifiers*/ undefined, node.asteriskToken, name,
- /*typeParameters*/ undefined, parameters,
- /*type*/ undefined, body);
- }
- /**
- * Visits a FunctionDeclaration node.
- *
- * @param node a FunctionDeclaration node.
- */
- function visitFunctionDeclaration(node) {
- var savedConvertedLoopState = convertedLoopState;
- convertedLoopState = undefined;
- var ancestorFacts = enterSubtree(16286 /* FunctionExcludes */, 65 /* FunctionIncludes */);
- var parameters = ts.visitParameterList(node.parameters, visitor, context);
- var body = transformFunctionBody(node);
- var name = hierarchyFacts & 16384 /* NewTarget */
- ? ts.getLocalName(node)
- : node.name;
- exitSubtree(ancestorFacts, 49152 /* FunctionSubtreeExcludes */, 0 /* None */);
- convertedLoopState = savedConvertedLoopState;
- return ts.updateFunctionDeclaration(node,
- /*decorators*/ undefined, ts.visitNodes(node.modifiers, visitor, ts.isModifier), node.asteriskToken, name,
- /*typeParameters*/ undefined, parameters,
- /*type*/ undefined, body);
- }
- /**
- * Transforms a function-like node into a FunctionExpression.
- *
- * @param node The function-like node to transform.
- * @param location The source-map location for the new FunctionExpression.
- * @param name The name of the new FunctionExpression.
- */
- function transformFunctionLikeToExpression(node, location, name, container) {
- var savedConvertedLoopState = convertedLoopState;
- convertedLoopState = undefined;
- var ancestorFacts = container && ts.isClassLike(container) && !ts.hasModifier(node, 32 /* Static */)
- ? enterSubtree(16286 /* FunctionExcludes */, 65 /* FunctionIncludes */ | 8 /* NonStaticClassElement */)
- : enterSubtree(16286 /* FunctionExcludes */, 65 /* FunctionIncludes */);
- var parameters = ts.visitParameterList(node.parameters, visitor, context);
- var body = transformFunctionBody(node);
- if (hierarchyFacts & 16384 /* NewTarget */ && !name && (node.kind === 244 /* FunctionDeclaration */ || node.kind === 201 /* FunctionExpression */)) {
- name = ts.getGeneratedNameForNode(node);
- }
- exitSubtree(ancestorFacts, 49152 /* FunctionSubtreeExcludes */, 0 /* None */);
- convertedLoopState = savedConvertedLoopState;
- return ts.setOriginalNode(ts.setTextRange(ts.createFunctionExpression(
- /*modifiers*/ undefined, node.asteriskToken, name,
- /*typeParameters*/ undefined, parameters,
- /*type*/ undefined, body), location),
- /*original*/ node);
- }
- /**
- * Transforms the body of a function-like node.
- *
- * @param node A function-like node.
- */
- function transformFunctionBody(node) {
- var multiLine = false; // indicates whether the block *must* be emitted as multiple lines
- var singleLine = false; // indicates whether the block *may* be emitted as a single line
- var statementsLocation;
- var closeBraceLocation;
- var prologue = [];
- var statements = [];
- var body = node.body;
- var statementOffset;
- resumeLexicalEnvironment();
- if (ts.isBlock(body)) {
- // ensureUseStrict is false because no new prologue-directive should be added.
- // addStandardPrologue will put already-existing directives at the beginning of the target statement-array
- statementOffset = ts.addStandardPrologue(prologue, body.statements, /*ensureUseStrict*/ false);
- statementOffset = ts.addCustomPrologue(statements, body.statements, statementOffset, visitor, ts.isHoistedFunction);
- statementOffset = ts.addCustomPrologue(statements, body.statements, statementOffset, visitor, ts.isHoistedVariableStatement);
- }
- multiLine = addDefaultValueAssignmentsIfNeeded(statements, node) || multiLine;
- multiLine = addRestParameterIfNeeded(statements, node, /*inConstructorWithSynthesizedSuper*/ false) || multiLine;
- if (ts.isBlock(body)) {
- // addCustomPrologue puts already-existing directives at the beginning of the target statement-array
- statementOffset = ts.addCustomPrologue(statements, body.statements, statementOffset, visitor);
- statementsLocation = body.statements;
- ts.addRange(statements, ts.visitNodes(body.statements, visitor, ts.isStatement, statementOffset));
- // If the original body was a multi-line block, this must be a multi-line block.
- if (!multiLine && body.multiLine) {
- multiLine = true;
- }
- }
- else {
- ts.Debug.assert(node.kind === 202 /* ArrowFunction */);
- // To align with the old emitter, we use a synthetic end position on the location
- // for the statement list we synthesize when we down-level an arrow function with
- // an expression function body. This prevents both comments and source maps from
- // being emitted for the end position only.
- statementsLocation = ts.moveRangeEnd(body, -1);
- var equalsGreaterThanToken = node.equalsGreaterThanToken;
- if (!ts.nodeIsSynthesized(equalsGreaterThanToken) && !ts.nodeIsSynthesized(body)) {
- if (ts.rangeEndIsOnSameLineAsRangeStart(equalsGreaterThanToken, body, currentSourceFile)) {
- singleLine = true;
- }
- else {
- multiLine = true;
- }
- }
- var expression = ts.visitNode(body, visitor, ts.isExpression);
- var returnStatement = ts.createReturn(expression);
- ts.setTextRange(returnStatement, body);
- ts.moveSyntheticComments(returnStatement, body);
- ts.setEmitFlags(returnStatement, 384 /* NoTokenSourceMaps */ | 32 /* NoTrailingSourceMap */ | 1024 /* NoTrailingComments */);
- statements.push(returnStatement);
- // To align with the source map emit for the old emitter, we set a custom
- // source map location for the close brace.
- closeBraceLocation = body;
- }
- ts.mergeLexicalEnvironment(prologue, endLexicalEnvironment());
- insertCaptureNewTargetIfNeeded(prologue, node, /*copyOnWrite*/ false);
- insertCaptureThisForNodeIfNeeded(prologue, node);
- // If we added any final generated statements, this must be a multi-line block
- if (ts.some(prologue)) {
- multiLine = true;
- }
- statements.unshift.apply(statements, prologue);
- if (ts.isBlock(body) && ts.arrayIsEqualTo(statements, body.statements)) {
- // no changes were made, preserve the tree
- return body;
- }
- var block = ts.createBlock(ts.setTextRange(ts.createNodeArray(statements), statementsLocation), multiLine);
- ts.setTextRange(block, node.body);
- if (!multiLine && singleLine) {
- ts.setEmitFlags(block, 1 /* SingleLine */);
- }
- if (closeBraceLocation) {
- ts.setTokenSourceMapRange(block, 19 /* CloseBraceToken */, closeBraceLocation);
- }
- ts.setOriginalNode(block, node.body);
- return block;
- }
- function visitBlock(node, isFunctionBody) {
- if (isFunctionBody) {
- // A function body is not a block scope.
- return ts.visitEachChild(node, visitor, context);
- }
- var ancestorFacts = hierarchyFacts & 256 /* IterationStatement */
- ? enterSubtree(7104 /* IterationStatementBlockExcludes */, 512 /* IterationStatementBlockIncludes */)
- : enterSubtree(6976 /* BlockExcludes */, 128 /* BlockIncludes */);
- var updated = ts.visitEachChild(node, visitor, context);
- exitSubtree(ancestorFacts, 0 /* None */, 0 /* None */);
- return updated;
- }
- /**
- * Visits an ExpressionStatement that contains a destructuring assignment.
- *
- * @param node An ExpressionStatement node.
- */
- function visitExpressionStatement(node) {
- // If we are here it is most likely because our expression is a destructuring assignment.
- switch (node.expression.kind) {
- case 200 /* ParenthesizedExpression */:
- return ts.updateExpressionStatement(node, visitParenthesizedExpression(node.expression, /*needsDestructuringValue*/ false));
- case 209 /* BinaryExpression */:
- return ts.updateExpressionStatement(node, visitBinaryExpression(node.expression, /*needsDestructuringValue*/ false));
- }
- return ts.visitEachChild(node, visitor, context);
- }
- /**
- * Visits a ParenthesizedExpression that may contain a destructuring assignment.
- *
- * @param node A ParenthesizedExpression node.
- * @param needsDestructuringValue A value indicating whether we need to hold onto the rhs
- * of a destructuring assignment.
- */
- function visitParenthesizedExpression(node, needsDestructuringValue) {
- // If we are here it is most likely because our expression is a destructuring assignment.
- if (!needsDestructuringValue) {
- // By default we always emit the RHS at the end of a flattened destructuring
- // expression. If we are in a state where we do not need the destructuring value,
- // we pass that information along to the children that care about it.
- switch (node.expression.kind) {
- case 200 /* ParenthesizedExpression */:
- return ts.updateParen(node, visitParenthesizedExpression(node.expression, /*needsDestructuringValue*/ false));
- case 209 /* BinaryExpression */:
- return ts.updateParen(node, visitBinaryExpression(node.expression, /*needsDestructuringValue*/ false));
- }
- }
- return ts.visitEachChild(node, visitor, context);
- }
- /**
- * Visits a BinaryExpression that contains a destructuring assignment.
- *
- * @param node A BinaryExpression node.
- * @param needsDestructuringValue A value indicating whether we need to hold onto the rhs
- * of a destructuring assignment.
- */
- function visitBinaryExpression(node, needsDestructuringValue) {
- // If we are here it is because this is a destructuring assignment.
- if (ts.isDestructuringAssignment(node)) {
- return ts.flattenDestructuringAssignment(node, visitor, context, 0 /* All */, needsDestructuringValue);
- }
- return ts.visitEachChild(node, visitor, context);
- }
- function isVariableStatementOfTypeScriptClassWrapper(node) {
- return node.declarationList.declarations.length === 1
- && !!node.declarationList.declarations[0].initializer
- && !!(ts.getEmitFlags(node.declarationList.declarations[0].initializer) & 33554432 /* TypeScriptClassWrapper */);
- }
- function visitVariableStatement(node) {
- var ancestorFacts = enterSubtree(0 /* None */, ts.hasModifier(node, 1 /* Export */) ? 32 /* ExportedVariableStatement */ : 0 /* None */);
- var updated;
- if (convertedLoopState && (node.declarationList.flags & 3 /* BlockScoped */) === 0 && !isVariableStatementOfTypeScriptClassWrapper(node)) {
- // we are inside a converted loop - hoist variable declarations
- var assignments = void 0;
- for (var _i = 0, _a = node.declarationList.declarations; _i < _a.length; _i++) {
- var decl = _a[_i];
- hoistVariableDeclarationDeclaredInConvertedLoop(convertedLoopState, decl);
- if (decl.initializer) {
- var assignment = void 0;
- if (ts.isBindingPattern(decl.name)) {
- assignment = ts.flattenDestructuringAssignment(decl, visitor, context, 0 /* All */);
- }
- else {
- assignment = ts.createBinary(decl.name, 62 /* EqualsToken */, ts.visitNode(decl.initializer, visitor, ts.isExpression));
- ts.setTextRange(assignment, decl);
- }
- assignments = ts.append(assignments, assignment);
- }
- }
- if (assignments) {
- updated = ts.setTextRange(ts.createExpressionStatement(ts.inlineExpressions(assignments)), node);
- }
- else {
- // none of declarations has initializer - the entire variable statement can be deleted
- updated = undefined;
- }
- }
- else {
- updated = ts.visitEachChild(node, visitor, context);
- }
- exitSubtree(ancestorFacts, 0 /* None */, 0 /* None */);
- return updated;
- }
- /**
- * Visits a VariableDeclarationList that is block scoped (e.g. `let` or `const`).
- *
- * @param node A VariableDeclarationList node.
- */
- function visitVariableDeclarationList(node) {
- if (node.flags & 3 /* BlockScoped */ || node.transformFlags & 131072 /* ContainsBindingPattern */) {
- if (node.flags & 3 /* BlockScoped */) {
- enableSubstitutionsForBlockScopedBindings();
- }
- var declarations = ts.flatMap(node.declarations, node.flags & 1 /* Let */
- ? visitVariableDeclarationInLetDeclarationList
- : visitVariableDeclaration);
- var declarationList = ts.createVariableDeclarationList(declarations);
- ts.setOriginalNode(declarationList, node);
- ts.setTextRange(declarationList, node);
- ts.setCommentRange(declarationList, node);
- // If the first or last declaration is a binding pattern, we need to modify
- // the source map range for the declaration list.
- if (node.transformFlags & 131072 /* ContainsBindingPattern */
- && (ts.isBindingPattern(node.declarations[0].name) || ts.isBindingPattern(ts.last(node.declarations).name))) {
- ts.setSourceMapRange(declarationList, getRangeUnion(declarations));
- }
- return declarationList;
- }
- return ts.visitEachChild(node, visitor, context);
- }
- function getRangeUnion(declarations) {
- // declarations may not be sorted by position.
- // pos should be the minimum* position over all nodes (that's not -1), end should be the maximum end over all nodes.
- var pos = -1, end = -1;
- for (var _i = 0, declarations_10 = declarations; _i < declarations_10.length; _i++) {
- var node = declarations_10[_i];
- pos = pos === -1 ? node.pos : node.pos === -1 ? pos : Math.min(pos, node.pos);
- end = Math.max(end, node.end);
- }
- return ts.createRange(pos, end);
- }
- /**
- * Gets a value indicating whether we should emit an explicit initializer for a variable
- * declaration in a `let` declaration list.
- *
- * @param node A VariableDeclaration node.
- */
- function shouldEmitExplicitInitializerForLetDeclaration(node) {
- // Nested let bindings might need to be initialized explicitly to preserve
- // ES6 semantic:
- //
- // { let x = 1; }
- // { let x; } // x here should be undefined. not 1
- //
- // Top level bindings never collide with anything and thus don't require
- // explicit initialization. As for nested let bindings there are two cases:
- //
- // - Nested let bindings that were not renamed definitely should be
- // initialized explicitly:
- //
- // { let x = 1; }
- // { let x; if (some-condition) { x = 1}; if (x) { /*1*/ } }
- //
- // Without explicit initialization code in /*1*/ can be executed even if
- // some-condition is evaluated to false.
- //
- // - Renaming introduces fresh name that should not collide with any
- // existing names, however renamed bindings sometimes also should be
- // explicitly initialized. One particular case: non-captured binding
- // declared inside loop body (but not in loop initializer):
- //
- // let x;
- // for (;;) {
- // let x;
- // }
- //
- // In downlevel codegen inner 'x' will be renamed so it won't collide
- // with outer 'x' however it will should be reset on every iteration as
- // if it was declared anew.
- //
- // * Why non-captured binding?
- // - Because if loop contains block scoped binding captured in some
- // function then loop body will be rewritten to have a fresh scope
- // on every iteration so everything will just work.
- //
- // * Why loop initializer is excluded?
- // - Since we've introduced a fresh name it already will be undefined.
- var flags = resolver.getNodeCheckFlags(node);
- var isCapturedInFunction = flags & 262144 /* CapturedBlockScopedBinding */;
- var isDeclaredInLoop = flags & 524288 /* BlockScopedBindingInLoop */;
- var emittedAsTopLevel = (hierarchyFacts & 64 /* TopLevel */) !== 0
- || (isCapturedInFunction
- && isDeclaredInLoop
- && (hierarchyFacts & 512 /* IterationStatementBlock */) !== 0);
- var emitExplicitInitializer = !emittedAsTopLevel
- && (hierarchyFacts & 4096 /* ForInOrForOfStatement */) === 0
- && (!resolver.isDeclarationWithCollidingName(node)
- || (isDeclaredInLoop
- && !isCapturedInFunction
- && (hierarchyFacts & (2048 /* ForStatement */ | 4096 /* ForInOrForOfStatement */)) === 0));
- return emitExplicitInitializer;
- }
- /**
- * Visits a VariableDeclaration in a `let` declaration list.
- *
- * @param node A VariableDeclaration node.
- */
- function visitVariableDeclarationInLetDeclarationList(node) {
- // For binding pattern names that lack initializers there is no point to emit
- // explicit initializer since downlevel codegen for destructuring will fail
- // in the absence of initializer so all binding elements will say uninitialized
- var name = node.name;
- if (ts.isBindingPattern(name)) {
- return visitVariableDeclaration(node);
- }
- if (!node.initializer && shouldEmitExplicitInitializerForLetDeclaration(node)) {
- var clone_3 = ts.getMutableClone(node);
- clone_3.initializer = ts.createVoidZero();
- return clone_3;
- }
- return ts.visitEachChild(node, visitor, context);
- }
- /**
- * Visits a VariableDeclaration node with a binding pattern.
- *
- * @param node A VariableDeclaration node.
- */
- function visitVariableDeclaration(node) {
- var ancestorFacts = enterSubtree(32 /* ExportedVariableStatement */, 0 /* None */);
- var updated;
- if (ts.isBindingPattern(node.name)) {
- updated = ts.flattenDestructuringBinding(node, visitor, context, 0 /* All */,
- /*value*/ undefined, (ancestorFacts & 32 /* ExportedVariableStatement */) !== 0);
- }
- else {
- updated = ts.visitEachChild(node, visitor, context);
- }
- exitSubtree(ancestorFacts, 0 /* None */, 0 /* None */);
- return updated;
- }
- function recordLabel(node) {
- convertedLoopState.labels.set(ts.idText(node.label), true);
- }
- function resetLabel(node) {
- convertedLoopState.labels.set(ts.idText(node.label), false);
- }
- function visitLabeledStatement(node) {
- if (convertedLoopState && !convertedLoopState.labels) {
- convertedLoopState.labels = ts.createMap();
- }
- var statement = ts.unwrapInnermostStatementOfLabel(node, convertedLoopState && recordLabel);
- return ts.isIterationStatement(statement, /*lookInLabeledStatements*/ false)
- ? visitIterationStatement(statement, /*outermostLabeledStatement*/ node)
- : ts.restoreEnclosingLabel(ts.visitNode(statement, visitor, ts.isStatement, ts.liftToBlock), node, convertedLoopState && resetLabel);
- }
- function visitIterationStatement(node, outermostLabeledStatement) {
- switch (node.kind) {
- case 228 /* DoStatement */:
- case 229 /* WhileStatement */:
- return visitDoOrWhileStatement(node, outermostLabeledStatement);
- case 230 /* ForStatement */:
- return visitForStatement(node, outermostLabeledStatement);
- case 231 /* ForInStatement */:
- return visitForInStatement(node, outermostLabeledStatement);
- case 232 /* ForOfStatement */:
- return visitForOfStatement(node, outermostLabeledStatement);
- }
- }
- function visitIterationStatementWithFacts(excludeFacts, includeFacts, node, outermostLabeledStatement, convert) {
- var ancestorFacts = enterSubtree(excludeFacts, includeFacts);
- var updated = convertIterationStatementBodyIfNecessary(node, outermostLabeledStatement, ancestorFacts, convert);
- exitSubtree(ancestorFacts, 0 /* None */, 0 /* None */);
- return updated;
- }
- function visitDoOrWhileStatement(node, outermostLabeledStatement) {
- return visitIterationStatementWithFacts(0 /* DoOrWhileStatementExcludes */, 1280 /* DoOrWhileStatementIncludes */, node, outermostLabeledStatement);
- }
- function visitForStatement(node, outermostLabeledStatement) {
- return visitIterationStatementWithFacts(5056 /* ForStatementExcludes */, 3328 /* ForStatementIncludes */, node, outermostLabeledStatement);
- }
- function visitForInStatement(node, outermostLabeledStatement) {
- return visitIterationStatementWithFacts(3008 /* ForInOrForOfStatementExcludes */, 5376 /* ForInOrForOfStatementIncludes */, node, outermostLabeledStatement);
- }
- function visitForOfStatement(node, outermostLabeledStatement) {
- return visitIterationStatementWithFacts(3008 /* ForInOrForOfStatementExcludes */, 5376 /* ForInOrForOfStatementIncludes */, node, outermostLabeledStatement, compilerOptions.downlevelIteration ? convertForOfStatementForIterable : convertForOfStatementForArray);
- }
- function convertForOfStatementHead(node, boundValue, convertedLoopBodyStatements) {
- var statements = [];
- var initializer = node.initializer;
- if (ts.isVariableDeclarationList(initializer)) {
- if (node.initializer.flags & 3 /* BlockScoped */) {
- enableSubstitutionsForBlockScopedBindings();
- }
- var firstOriginalDeclaration = ts.firstOrUndefined(initializer.declarations);
- if (firstOriginalDeclaration && ts.isBindingPattern(firstOriginalDeclaration.name)) {
- // This works whether the declaration is a var, let, or const.
- // It will use rhsIterationValue _a[_i] as the initializer.
- var declarations = ts.flattenDestructuringBinding(firstOriginalDeclaration, visitor, context, 0 /* All */, boundValue);
- var declarationList = ts.setTextRange(ts.createVariableDeclarationList(declarations), node.initializer);
- ts.setOriginalNode(declarationList, node.initializer);
- // Adjust the source map range for the first declaration to align with the old
- // emitter.
- ts.setSourceMapRange(declarationList, ts.createRange(declarations[0].pos, ts.last(declarations).end));
- statements.push(ts.createVariableStatement(
- /*modifiers*/ undefined, declarationList));
- }
- else {
- // The following call does not include the initializer, so we have
- // to emit it separately.
- statements.push(ts.setTextRange(ts.createVariableStatement(
- /*modifiers*/ undefined, ts.setOriginalNode(ts.setTextRange(ts.createVariableDeclarationList([
- ts.createVariableDeclaration(firstOriginalDeclaration ? firstOriginalDeclaration.name : ts.createTempVariable(/*recordTempVariable*/ undefined),
- /*type*/ undefined, boundValue)
- ]), ts.moveRangePos(initializer, -1)), initializer)), ts.moveRangeEnd(initializer, -1)));
- }
- }
- else {
- // Initializer is an expression. Emit the expression in the body, so that it's
- // evaluated on every iteration.
- var assignment = ts.createAssignment(initializer, boundValue);
- if (ts.isDestructuringAssignment(assignment)) {
- ts.aggregateTransformFlags(assignment);
- statements.push(ts.createExpressionStatement(visitBinaryExpression(assignment, /*needsDestructuringValue*/ false)));
- }
- else {
- assignment.end = initializer.end;
- statements.push(ts.setTextRange(ts.createExpressionStatement(ts.visitNode(assignment, visitor, ts.isExpression)), ts.moveRangeEnd(initializer, -1)));
- }
- }
- if (convertedLoopBodyStatements) {
- return createSyntheticBlockForConvertedStatements(ts.addRange(statements, convertedLoopBodyStatements));
- }
- else {
- var statement = ts.visitNode(node.statement, visitor, ts.isStatement, ts.liftToBlock);
- if (ts.isBlock(statement)) {
- return ts.updateBlock(statement, ts.setTextRange(ts.createNodeArray(ts.concatenate(statements, statement.statements)), statement.statements));
- }
- else {
- statements.push(statement);
- return createSyntheticBlockForConvertedStatements(statements);
- }
- }
- }
- function createSyntheticBlockForConvertedStatements(statements) {
- return ts.setEmitFlags(ts.createBlock(ts.createNodeArray(statements),
- /*multiLine*/ true), 48 /* NoSourceMap */ | 384 /* NoTokenSourceMaps */);
- }
- function convertForOfStatementForArray(node, outermostLabeledStatement, convertedLoopBodyStatements) {
- // The following ES6 code:
- //
- // for (let v of expr) { }
- //
- // should be emitted as
- //
- // for (var _i = 0, _a = expr; _i < _a.length; _i++) {
- // var v = _a[_i];
- // }
- //
- // where _a and _i are temps emitted to capture the RHS and the counter,
- // respectively.
- // When the left hand side is an expression instead of a let declaration,
- // the "let v" is not emitted.
- // When the left hand side is a let/const, the v is renamed if there is
- // another v in scope.
- // Note that all assignments to the LHS are emitted in the body, including
- // all destructuring.
- // Note also that because an extra statement is needed to assign to the LHS,
- // for-of bodies are always emitted as blocks.
- var expression = ts.visitNode(node.expression, visitor, ts.isExpression);
- // In the case where the user wrote an identifier as the RHS, like this:
- //
- // for (let v of arr) { }
- //
- // we don't want to emit a temporary variable for the RHS, just use it directly.
- var counter = ts.createLoopVariable();
- var rhsReference = ts.isIdentifier(expression) ? ts.getGeneratedNameForNode(expression) : ts.createTempVariable(/*recordTempVariable*/ undefined);
- // The old emitter does not emit source maps for the expression
- ts.setEmitFlags(expression, 48 /* NoSourceMap */ | ts.getEmitFlags(expression));
- var forStatement = ts.setTextRange(ts.createFor(
- /*initializer*/ ts.setEmitFlags(ts.setTextRange(ts.createVariableDeclarationList([
- ts.setTextRange(ts.createVariableDeclaration(counter, /*type*/ undefined, ts.createLiteral(0)), ts.moveRangePos(node.expression, -1)),
- ts.setTextRange(ts.createVariableDeclaration(rhsReference, /*type*/ undefined, expression), node.expression)
- ]), node.expression), 2097152 /* NoHoisting */),
- /*condition*/ ts.setTextRange(ts.createLessThan(counter, ts.createPropertyAccess(rhsReference, "length")), node.expression),
- /*incrementor*/ ts.setTextRange(ts.createPostfixIncrement(counter), node.expression),
- /*statement*/ convertForOfStatementHead(node, ts.createElementAccess(rhsReference, counter), convertedLoopBodyStatements)),
- /*location*/ node);
- // Disable trailing source maps for the OpenParenToken to align source map emit with the old emitter.
- ts.setEmitFlags(forStatement, 256 /* NoTokenTrailingSourceMaps */);
- ts.setTextRange(forStatement, node);
- return ts.restoreEnclosingLabel(forStatement, outermostLabeledStatement, convertedLoopState && resetLabel);
- }
- function convertForOfStatementForIterable(node, outermostLabeledStatement, convertedLoopBodyStatements, ancestorFacts) {
- var expression = ts.visitNode(node.expression, visitor, ts.isExpression);
- var iterator = ts.isIdentifier(expression) ? ts.getGeneratedNameForNode(expression) : ts.createTempVariable(/*recordTempVariable*/ undefined);
- var result = ts.isIdentifier(expression) ? ts.getGeneratedNameForNode(iterator) : ts.createTempVariable(/*recordTempVariable*/ undefined);
- var errorRecord = ts.createUniqueName("e");
- var catchVariable = ts.getGeneratedNameForNode(errorRecord);
- var returnMethod = ts.createTempVariable(/*recordTempVariable*/ undefined);
- var values = ts.createValuesHelper(context, expression, node.expression);
- var next = ts.createCall(ts.createPropertyAccess(iterator, "next"), /*typeArguments*/ undefined, []);
- hoistVariableDeclaration(errorRecord);
- hoistVariableDeclaration(returnMethod);
- // if we are enclosed in an outer loop ensure we reset 'errorRecord' per each iteration
- var initializer = ancestorFacts & 1024 /* IterationContainer */
- ? ts.inlineExpressions([ts.createAssignment(errorRecord, ts.createVoidZero()), values])
- : values;
- var forStatement = ts.setEmitFlags(ts.setTextRange(ts.createFor(
- /*initializer*/ ts.setEmitFlags(ts.setTextRange(ts.createVariableDeclarationList([
- ts.setTextRange(ts.createVariableDeclaration(iterator, /*type*/ undefined, initializer), node.expression),
- ts.createVariableDeclaration(result, /*type*/ undefined, next)
- ]), node.expression), 2097152 /* NoHoisting */),
- /*condition*/ ts.createLogicalNot(ts.createPropertyAccess(result, "done")),
- /*incrementor*/ ts.createAssignment(result, next),
- /*statement*/ convertForOfStatementHead(node, ts.createPropertyAccess(result, "value"), convertedLoopBodyStatements)),
- /*location*/ node), 256 /* NoTokenTrailingSourceMaps */);
- return ts.createTry(ts.createBlock([
- ts.restoreEnclosingLabel(forStatement, outermostLabeledStatement, convertedLoopState && resetLabel)
- ]), ts.createCatchClause(ts.createVariableDeclaration(catchVariable), ts.setEmitFlags(ts.createBlock([
- ts.createExpressionStatement(ts.createAssignment(errorRecord, ts.createObjectLiteral([
- ts.createPropertyAssignment("error", catchVariable)
- ])))
- ]), 1 /* SingleLine */)), ts.createBlock([
- ts.createTry(
- /*tryBlock*/ ts.createBlock([
- ts.setEmitFlags(ts.createIf(ts.createLogicalAnd(ts.createLogicalAnd(result, ts.createLogicalNot(ts.createPropertyAccess(result, "done"))), ts.createAssignment(returnMethod, ts.createPropertyAccess(iterator, "return"))), ts.createExpressionStatement(ts.createFunctionCall(returnMethod, iterator, []))), 1 /* SingleLine */),
- ]),
- /*catchClause*/ undefined,
- /*finallyBlock*/ ts.setEmitFlags(ts.createBlock([
- ts.setEmitFlags(ts.createIf(errorRecord, ts.createThrow(ts.createPropertyAccess(errorRecord, "error"))), 1 /* SingleLine */)
- ]), 1 /* SingleLine */))
- ]));
- }
- /**
- * Visits an ObjectLiteralExpression with computed property names.
- *
- * @param node An ObjectLiteralExpression node.
- */
- function visitObjectLiteralExpression(node) {
- // We are here because a ComputedPropertyName was used somewhere in the expression.
- var properties = node.properties;
- var numProperties = properties.length;
- // Find the first computed property.
- // Everything until that point can be emitted as part of the initial object literal.
- var numInitialProperties = numProperties;
- var numInitialPropertiesWithoutYield = numProperties;
- for (var i = 0; i < numProperties; i++) {
- var property = properties[i];
- if ((property.transformFlags & 262144 /* ContainsYield */ && hierarchyFacts & 4 /* AsyncFunctionBody */)
- && i < numInitialPropertiesWithoutYield) {
- numInitialPropertiesWithoutYield = i;
- }
- if (property.name.kind === 154 /* ComputedPropertyName */) {
- numInitialProperties = i;
- break;
- }
- }
- if (numInitialProperties !== numProperties) {
- if (numInitialPropertiesWithoutYield < numInitialProperties) {
- numInitialProperties = numInitialPropertiesWithoutYield;
- }
- // For computed properties, we need to create a unique handle to the object
- // literal so we can modify it without risking internal assignments tainting the object.
- var temp = ts.createTempVariable(hoistVariableDeclaration);
- // Write out the first non-computed properties, then emit the rest through indexing on the temp variable.
- var expressions = [];
- var assignment = ts.createAssignment(temp, ts.setEmitFlags(ts.createObjectLiteral(ts.visitNodes(properties, visitor, ts.isObjectLiteralElementLike, 0, numInitialProperties), node.multiLine), 65536 /* Indented */));
- if (node.multiLine) {
- ts.startOnNewLine(assignment);
- }
- expressions.push(assignment);
- addObjectLiteralMembers(expressions, node, temp, numInitialProperties);
- // We need to clone the temporary identifier so that we can write it on a
- // new line
- expressions.push(node.multiLine ? ts.startOnNewLine(ts.getMutableClone(temp)) : temp);
- return ts.inlineExpressions(expressions);
- }
- return ts.visitEachChild(node, visitor, context);
- }
- function shouldConvertPartOfIterationStatement(node) {
- return (resolver.getNodeCheckFlags(node) & 131072 /* ContainsCapturedBlockScopeBinding */) !== 0;
- }
- function shouldConvertInitializerOfForStatement(node) {
- return ts.isForStatement(node) && !!node.initializer && shouldConvertPartOfIterationStatement(node.initializer);
- }
- function shouldConvertConditionOfForStatement(node) {
- return ts.isForStatement(node) && !!node.condition && shouldConvertPartOfIterationStatement(node.condition);
- }
- function shouldConvertIncrementorOfForStatement(node) {
- return ts.isForStatement(node) && !!node.incrementor && shouldConvertPartOfIterationStatement(node.incrementor);
- }
- function shouldConvertIterationStatement(node) {
- return shouldConvertBodyOfIterationStatement(node)
- || shouldConvertInitializerOfForStatement(node);
- }
- function shouldConvertBodyOfIterationStatement(node) {
- return (resolver.getNodeCheckFlags(node) & 65536 /* LoopWithCapturedBlockScopedBinding */) !== 0;
- }
- /**
- * Records constituents of name for the given variable to be hoisted in the outer scope.
- */
- function hoistVariableDeclarationDeclaredInConvertedLoop(state, node) {
- if (!state.hoistedLocalVariables) {
- state.hoistedLocalVariables = [];
- }
- visit(node.name);
- function visit(node) {
- if (node.kind === 75 /* Identifier */) {
- state.hoistedLocalVariables.push(node);
- }
- else {
- for (var _i = 0, _a = node.elements; _i < _a.length; _i++) {
- var element = _a[_i];
- if (!ts.isOmittedExpression(element)) {
- visit(element.name);
- }
- }
- }
- }
- }
- function convertIterationStatementBodyIfNecessary(node, outermostLabeledStatement, ancestorFacts, convert) {
- if (!shouldConvertIterationStatement(node)) {
- var saveAllowedNonLabeledJumps = void 0;
- if (convertedLoopState) {
- // we get here if we are trying to emit normal loop loop inside converted loop
- // set allowedNonLabeledJumps to Break | Continue to mark that break\continue inside the loop should be emitted as is
- saveAllowedNonLabeledJumps = convertedLoopState.allowedNonLabeledJumps;
- convertedLoopState.allowedNonLabeledJumps = 2 /* Break */ | 4 /* Continue */;
- }
- var result = convert
- ? convert(node, outermostLabeledStatement, /*convertedLoopBodyStatements*/ undefined, ancestorFacts)
- : ts.restoreEnclosingLabel(ts.visitEachChild(node, visitor, context), outermostLabeledStatement, convertedLoopState && resetLabel);
- if (convertedLoopState) {
- convertedLoopState.allowedNonLabeledJumps = saveAllowedNonLabeledJumps;
- }
- return result;
- }
- var currentState = createConvertedLoopState(node);
- var statements = [];
- var outerConvertedLoopState = convertedLoopState;
- convertedLoopState = currentState;
- var initializerFunction = shouldConvertInitializerOfForStatement(node) ? createFunctionForInitializerOfForStatement(node, currentState) : undefined;
- var bodyFunction = shouldConvertBodyOfIterationStatement(node) ? createFunctionForBodyOfIterationStatement(node, currentState, outerConvertedLoopState) : undefined;
- convertedLoopState = outerConvertedLoopState;
- if (initializerFunction)
- statements.push(initializerFunction.functionDeclaration);
- if (bodyFunction)
- statements.push(bodyFunction.functionDeclaration);
- addExtraDeclarationsForConvertedLoop(statements, currentState, outerConvertedLoopState);
- if (initializerFunction) {
- statements.push(generateCallToConvertedLoopInitializer(initializerFunction.functionName, initializerFunction.containsYield));
- }
- var loop;
- if (bodyFunction) {
- if (convert) {
- loop = convert(node, outermostLabeledStatement, bodyFunction.part, ancestorFacts);
- }
- else {
- var clone_4 = convertIterationStatementCore(node, initializerFunction, ts.createBlock(bodyFunction.part, /*multiLine*/ true));
- ts.aggregateTransformFlags(clone_4);
- loop = ts.restoreEnclosingLabel(clone_4, outermostLabeledStatement, convertedLoopState && resetLabel);
- }
- }
- else {
- var clone_5 = convertIterationStatementCore(node, initializerFunction, ts.visitNode(node.statement, visitor, ts.isStatement, ts.liftToBlock));
- ts.aggregateTransformFlags(clone_5);
- loop = ts.restoreEnclosingLabel(clone_5, outermostLabeledStatement, convertedLoopState && resetLabel);
- }
- statements.push(loop);
- return statements;
- }
- function convertIterationStatementCore(node, initializerFunction, convertedLoopBody) {
- switch (node.kind) {
- case 230 /* ForStatement */: return convertForStatement(node, initializerFunction, convertedLoopBody);
- case 231 /* ForInStatement */: return convertForInStatement(node, convertedLoopBody);
- case 232 /* ForOfStatement */: return convertForOfStatement(node, convertedLoopBody);
- case 228 /* DoStatement */: return convertDoStatement(node, convertedLoopBody);
- case 229 /* WhileStatement */: return convertWhileStatement(node, convertedLoopBody);
- default: return ts.Debug.failBadSyntaxKind(node, "IterationStatement expected");
- }
- }
- function convertForStatement(node, initializerFunction, convertedLoopBody) {
- var shouldConvertCondition = node.condition && shouldConvertPartOfIterationStatement(node.condition);
- var shouldConvertIncrementor = shouldConvertCondition || node.incrementor && shouldConvertPartOfIterationStatement(node.incrementor);
- return ts.updateFor(node, ts.visitNode(initializerFunction ? initializerFunction.part : node.initializer, visitor, ts.isForInitializer), ts.visitNode(shouldConvertCondition ? undefined : node.condition, visitor, ts.isExpression), ts.visitNode(shouldConvertIncrementor ? undefined : node.incrementor, visitor, ts.isExpression), convertedLoopBody);
- }
- function convertForOfStatement(node, convertedLoopBody) {
- return ts.updateForOf(node,
- /*awaitModifier*/ undefined, ts.visitNode(node.initializer, visitor, ts.isForInitializer), ts.visitNode(node.expression, visitor, ts.isExpression), convertedLoopBody);
- }
- function convertForInStatement(node, convertedLoopBody) {
- return ts.updateForIn(node, ts.visitNode(node.initializer, visitor, ts.isForInitializer), ts.visitNode(node.expression, visitor, ts.isExpression), convertedLoopBody);
- }
- function convertDoStatement(node, convertedLoopBody) {
- return ts.updateDo(node, convertedLoopBody, ts.visitNode(node.expression, visitor, ts.isExpression));
- }
- function convertWhileStatement(node, convertedLoopBody) {
- return ts.updateWhile(node, ts.visitNode(node.expression, visitor, ts.isExpression), convertedLoopBody);
- }
- function createConvertedLoopState(node) {
- var loopInitializer;
- switch (node.kind) {
- case 230 /* ForStatement */:
- case 231 /* ForInStatement */:
- case 232 /* ForOfStatement */:
- var initializer = node.initializer;
- if (initializer && initializer.kind === 243 /* VariableDeclarationList */) {
- loopInitializer = initializer;
- }
- break;
- }
- // variables that will be passed to the loop as parameters
- var loopParameters = [];
- // variables declared in the loop initializer that will be changed inside the loop
- var loopOutParameters = [];
- if (loopInitializer && (ts.getCombinedNodeFlags(loopInitializer) & 3 /* BlockScoped */)) {
- var hasCapturedBindingsInForInitializer = shouldConvertInitializerOfForStatement(node);
- for (var _i = 0, _a = loopInitializer.declarations; _i < _a.length; _i++) {
- var decl = _a[_i];
- processLoopVariableDeclaration(node, decl, loopParameters, loopOutParameters, hasCapturedBindingsInForInitializer);
- }
- }
- var currentState = { loopParameters: loopParameters, loopOutParameters: loopOutParameters };
- if (convertedLoopState) {
- // convertedOuterLoopState !== undefined means that this converted loop is nested in another converted loop.
- // if outer converted loop has already accumulated some state - pass it through
- if (convertedLoopState.argumentsName) {
- // outer loop has already used 'arguments' so we've already have some name to alias it
- // use the same name in all nested loops
- currentState.argumentsName = convertedLoopState.argumentsName;
- }
- if (convertedLoopState.thisName) {
- // outer loop has already used 'this' so we've already have some name to alias it
- // use the same name in all nested loops
- currentState.thisName = convertedLoopState.thisName;
- }
- if (convertedLoopState.hoistedLocalVariables) {
- // we've already collected some non-block scoped variable declarations in enclosing loop
- // use the same storage in nested loop
- currentState.hoistedLocalVariables = convertedLoopState.hoistedLocalVariables;
- }
- }
- return currentState;
- }
- function addExtraDeclarationsForConvertedLoop(statements, state, outerState) {
- var extraVariableDeclarations;
- // propagate state from the inner loop to the outer loop if necessary
- if (state.argumentsName) {
- // if alias for arguments is set
- if (outerState) {
- // pass it to outer converted loop
- outerState.argumentsName = state.argumentsName;
- }
- else {
- // this is top level converted loop and we need to create an alias for 'arguments' object
- (extraVariableDeclarations || (extraVariableDeclarations = [])).push(ts.createVariableDeclaration(state.argumentsName,
- /*type*/ undefined, ts.createIdentifier("arguments")));
- }
- }
- if (state.thisName) {
- // if alias for this is set
- if (outerState) {
- // pass it to outer converted loop
- outerState.thisName = state.thisName;
- }
- else {
- // this is top level converted loop so we need to create an alias for 'this' here
- // NOTE:
- // if converted loops were all nested in arrow function then we'll always emit '_this' so convertedLoopState.thisName will not be set.
- // If it is set this means that all nested loops are not nested in arrow function and it is safe to capture 'this'.
- (extraVariableDeclarations || (extraVariableDeclarations = [])).push(ts.createVariableDeclaration(state.thisName,
- /*type*/ undefined, ts.createIdentifier("this")));
- }
- }
- if (state.hoistedLocalVariables) {
- // if hoistedLocalVariables !== undefined this means that we've possibly collected some variable declarations to be hoisted later
- if (outerState) {
- // pass them to outer converted loop
- outerState.hoistedLocalVariables = state.hoistedLocalVariables;
- }
- else {
- if (!extraVariableDeclarations) {
- extraVariableDeclarations = [];
- }
- // hoist collected variable declarations
- for (var _i = 0, _a = state.hoistedLocalVariables; _i < _a.length; _i++) {
- var identifier = _a[_i];
- extraVariableDeclarations.push(ts.createVariableDeclaration(identifier));
- }
- }
- }
- // add extra variables to hold out parameters if necessary
- if (state.loopOutParameters.length) {
- if (!extraVariableDeclarations) {
- extraVariableDeclarations = [];
- }
- for (var _b = 0, _c = state.loopOutParameters; _b < _c.length; _b++) {
- var outParam = _c[_b];
- extraVariableDeclarations.push(ts.createVariableDeclaration(outParam.outParamName));
- }
- }
- if (state.conditionVariable) {
- if (!extraVariableDeclarations) {
- extraVariableDeclarations = [];
- }
- extraVariableDeclarations.push(ts.createVariableDeclaration(state.conditionVariable, /*type*/ undefined, ts.createFalse()));
- }
- // create variable statement to hold all introduced variable declarations
- if (extraVariableDeclarations) {
- statements.push(ts.createVariableStatement(
- /*modifiers*/ undefined, ts.createVariableDeclarationList(extraVariableDeclarations)));
- }
- }
- function createOutVariable(p) {
- return ts.createVariableDeclaration(p.originalName, /*type*/ undefined, p.outParamName);
- }
- /**
- * Creates a `_loop_init` function for a `ForStatement` with a block-scoped initializer
- * that is captured in a closure inside of the initializer. The `_loop_init` function is
- * used to preserve the per-iteration environment semantics of
- * [13.7.4.8 RS: ForBodyEvaluation](https://tc39.github.io/ecma262/#sec-forbodyevaluation).
- */
- function createFunctionForInitializerOfForStatement(node, currentState) {
- var functionName = ts.createUniqueName("_loop_init");
- var containsYield = (node.initializer.transformFlags & 262144 /* ContainsYield */) !== 0;
- var emitFlags = 0 /* None */;
- if (currentState.containsLexicalThis)
- emitFlags |= 8 /* CapturesThis */;
- if (containsYield && hierarchyFacts & 4 /* AsyncFunctionBody */)
- emitFlags |= 262144 /* AsyncFunctionBody */;
- var statements = [];
- statements.push(ts.createVariableStatement(/*modifiers*/ undefined, node.initializer));
- copyOutParameters(currentState.loopOutParameters, 2 /* Initializer */, 1 /* ToOutParameter */, statements);
- // This transforms the following ES2015 syntax:
- //
- // for (let i = (setImmediate(() => console.log(i)), 0); i < 2; i++) {
- // // loop body
- // }
- //
- // Into the following ES5 syntax:
- //
- // var _loop_init_1 = function () {
- // var i = (setImmediate(() => console.log(i)), 0);
- // out_i_1 = i;
- // };
- // var out_i_1;
- // _loop_init_1();
- // for (var i = out_i_1; i < 2; i++) {
- // // loop body
- // }
- //
- // Which prevents mutations to `i` in the per-iteration environment of the body
- // from affecting the initial value for `i` outside of the per-iteration environment.
- var functionDeclaration = ts.createVariableStatement(
- /*modifiers*/ undefined, ts.setEmitFlags(ts.createVariableDeclarationList([
- ts.createVariableDeclaration(functionName,
- /*type*/ undefined, ts.setEmitFlags(ts.createFunctionExpression(
- /*modifiers*/ undefined, containsYield ? ts.createToken(41 /* AsteriskToken */) : undefined,
- /*name*/ undefined,
- /*typeParameters*/ undefined,
- /*parameters*/ undefined,
- /*type*/ undefined, ts.visitNode(ts.createBlock(statements, /*multiLine*/ true), visitor, ts.isBlock)), emitFlags))
- ]), 2097152 /* NoHoisting */));
- var part = ts.createVariableDeclarationList(ts.map(currentState.loopOutParameters, createOutVariable));
- return { functionName: functionName, containsYield: containsYield, functionDeclaration: functionDeclaration, part: part };
- }
- /**
- * Creates a `_loop` function for an `IterationStatement` with a block-scoped initializer
- * that is captured in a closure inside of the loop body. The `_loop` function is used to
- * preserve the per-iteration environment semantics of
- * [13.7.4.8 RS: ForBodyEvaluation](https://tc39.github.io/ecma262/#sec-forbodyevaluation).
- */
- function createFunctionForBodyOfIterationStatement(node, currentState, outerState) {
- var functionName = ts.createUniqueName("_loop");
- startLexicalEnvironment();
- var statement = ts.visitNode(node.statement, visitor, ts.isStatement, ts.liftToBlock);
- var lexicalEnvironment = endLexicalEnvironment();
- var statements = [];
- if (shouldConvertConditionOfForStatement(node) || shouldConvertIncrementorOfForStatement(node)) {
- // If a block-scoped variable declared in the initializer of `node` is captured in
- // the condition or incrementor, we must move the condition and incrementor into
- // the body of the for loop.
- //
- // This transforms the following ES2015 syntax:
- //
- // for (let i = 0; setImmediate(() => console.log(i)), i < 2; setImmediate(() => console.log(i)), i++) {
- // // loop body
- // }
- //
- // Into the following ES5 syntax:
- //
- // var _loop_1 = function (i) {
- // if (inc_1)
- // setImmediate(() => console.log(i)), i++;
- // else
- // inc_1 = true;
- // if (!(setImmediate(() => console.log(i)), i < 2))
- // return out_i_1 = i, "break";
- // // loop body
- // out_i_1 = i;
- // }
- // var out_i_1, inc_1 = false;
- // for (var i = 0;;) {
- // var state_1 = _loop_1(i);
- // i = out_i_1;
- // if (state_1 === "break")
- // break;
- // }
- //
- // Which prevents mutations to `i` in the per-iteration environment of the body
- // from affecting the value of `i` in the previous per-iteration environment.
- //
- // Note that the incrementor of a `for` loop is evaluated in a *new* per-iteration
- // environment that is carried over to the next iteration of the loop. As a result,
- // we must indicate whether this is the first evaluation of the loop body so that
- // we only evaluate the incrementor on subsequent evaluations.
- currentState.conditionVariable = ts.createUniqueName("inc");
- statements.push(ts.createIf(currentState.conditionVariable, ts.createStatement(ts.visitNode(node.incrementor, visitor, ts.isExpression)), ts.createStatement(ts.createAssignment(currentState.conditionVariable, ts.createTrue()))));
- if (shouldConvertConditionOfForStatement(node)) {
- statements.push(ts.createIf(ts.createPrefix(53 /* ExclamationToken */, ts.visitNode(node.condition, visitor, ts.isExpression)), ts.visitNode(ts.createBreak(), visitor, ts.isStatement)));
- }
- }
- if (ts.isBlock(statement)) {
- ts.addRange(statements, statement.statements);
- }
- else {
- statements.push(statement);
- }
- copyOutParameters(currentState.loopOutParameters, 1 /* Body */, 1 /* ToOutParameter */, statements);
- ts.insertStatementsAfterStandardPrologue(statements, lexicalEnvironment);
- var loopBody = ts.createBlock(statements, /*multiLine*/ true);
- if (ts.isBlock(statement))
- ts.setOriginalNode(loopBody, statement);
- var containsYield = (node.statement.transformFlags & 262144 /* ContainsYield */) !== 0;
- var emitFlags = 0;
- if (currentState.containsLexicalThis)
- emitFlags |= 8 /* CapturesThis */;
- if (containsYield && (hierarchyFacts & 4 /* AsyncFunctionBody */) !== 0)
- emitFlags |= 262144 /* AsyncFunctionBody */;
- // This transforms the following ES2015 syntax (in addition to other variations):
- //
- // for (let i = 0; i < 2; i++) {
- // setImmediate(() => console.log(i));
- // }
- //
- // Into the following ES5 syntax:
- //
- // var _loop_1 = function (i) {
- // setImmediate(() => console.log(i));
- // };
- // for (var i = 0; i < 2; i++) {
- // _loop_1(i);
- // }
- var functionDeclaration = ts.createVariableStatement(
- /*modifiers*/ undefined, ts.setEmitFlags(ts.createVariableDeclarationList([
- ts.createVariableDeclaration(functionName,
- /*type*/ undefined, ts.setEmitFlags(ts.createFunctionExpression(
- /*modifiers*/ undefined, containsYield ? ts.createToken(41 /* AsteriskToken */) : undefined,
- /*name*/ undefined,
- /*typeParameters*/ undefined, currentState.loopParameters,
- /*type*/ undefined, loopBody), emitFlags))
- ]), 2097152 /* NoHoisting */));
- var part = generateCallToConvertedLoop(functionName, currentState, outerState, containsYield);
- return { functionName: functionName, containsYield: containsYield, functionDeclaration: functionDeclaration, part: part };
- }
- function copyOutParameter(outParam, copyDirection) {
- var source = copyDirection === 0 /* ToOriginal */ ? outParam.outParamName : outParam.originalName;
- var target = copyDirection === 0 /* ToOriginal */ ? outParam.originalName : outParam.outParamName;
- return ts.createBinary(target, 62 /* EqualsToken */, source);
- }
- function copyOutParameters(outParams, partFlags, copyDirection, statements) {
- for (var _i = 0, outParams_1 = outParams; _i < outParams_1.length; _i++) {
- var outParam = outParams_1[_i];
- if (outParam.flags & partFlags) {
- statements.push(ts.createExpressionStatement(copyOutParameter(outParam, copyDirection)));
- }
- }
- }
- function generateCallToConvertedLoopInitializer(initFunctionExpressionName, containsYield) {
- var call = ts.createCall(initFunctionExpressionName, /*typeArguments*/ undefined, []);
- var callResult = containsYield
- ? ts.createYield(ts.createToken(41 /* AsteriskToken */), ts.setEmitFlags(call, 8388608 /* Iterator */))
- : call;
- return ts.createStatement(callResult);
- }
- function generateCallToConvertedLoop(loopFunctionExpressionName, state, outerState, containsYield) {
- var statements = [];
- // loop is considered simple if it does not have any return statements or break\continue that transfer control outside of the loop
- // simple loops are emitted as just 'loop()';
- // NOTE: if loop uses only 'continue' it still will be emitted as simple loop
- var isSimpleLoop = !(state.nonLocalJumps & ~4 /* Continue */) &&
- !state.labeledNonLocalBreaks &&
- !state.labeledNonLocalContinues;
- var call = ts.createCall(loopFunctionExpressionName, /*typeArguments*/ undefined, ts.map(state.loopParameters, function (p) { return p.name; }));
- var callResult = containsYield
- ? ts.createYield(ts.createToken(41 /* AsteriskToken */), ts.setEmitFlags(call, 8388608 /* Iterator */))
- : call;
- if (isSimpleLoop) {
- statements.push(ts.createExpressionStatement(callResult));
- copyOutParameters(state.loopOutParameters, 1 /* Body */, 0 /* ToOriginal */, statements);
- }
- else {
- var loopResultName = ts.createUniqueName("state");
- var stateVariable = ts.createVariableStatement(
- /*modifiers*/ undefined, ts.createVariableDeclarationList([ts.createVariableDeclaration(loopResultName, /*type*/ undefined, callResult)]));
- statements.push(stateVariable);
- copyOutParameters(state.loopOutParameters, 1 /* Body */, 0 /* ToOriginal */, statements);
- if (state.nonLocalJumps & 8 /* Return */) {
- var returnStatement = void 0;
- if (outerState) {
- outerState.nonLocalJumps |= 8 /* Return */;
- returnStatement = ts.createReturn(loopResultName);
- }
- else {
- returnStatement = ts.createReturn(ts.createPropertyAccess(loopResultName, "value"));
- }
- statements.push(ts.createIf(ts.createBinary(ts.createTypeOf(loopResultName), 36 /* EqualsEqualsEqualsToken */, ts.createLiteral("object")), returnStatement));
- }
- if (state.nonLocalJumps & 2 /* Break */) {
- statements.push(ts.createIf(ts.createBinary(loopResultName, 36 /* EqualsEqualsEqualsToken */, ts.createLiteral("break")), ts.createBreak()));
- }
- if (state.labeledNonLocalBreaks || state.labeledNonLocalContinues) {
- var caseClauses = [];
- processLabeledJumps(state.labeledNonLocalBreaks, /*isBreak*/ true, loopResultName, outerState, caseClauses);
- processLabeledJumps(state.labeledNonLocalContinues, /*isBreak*/ false, loopResultName, outerState, caseClauses);
- statements.push(ts.createSwitch(loopResultName, ts.createCaseBlock(caseClauses)));
- }
- }
- return statements;
- }
- function setLabeledJump(state, isBreak, labelText, labelMarker) {
- if (isBreak) {
- if (!state.labeledNonLocalBreaks) {
- state.labeledNonLocalBreaks = ts.createMap();
- }
- state.labeledNonLocalBreaks.set(labelText, labelMarker);
- }
- else {
- if (!state.labeledNonLocalContinues) {
- state.labeledNonLocalContinues = ts.createMap();
- }
- state.labeledNonLocalContinues.set(labelText, labelMarker);
- }
- }
- function processLabeledJumps(table, isBreak, loopResultName, outerLoop, caseClauses) {
- if (!table) {
- return;
- }
- table.forEach(function (labelMarker, labelText) {
- var statements = [];
- // if there are no outer converted loop or outer label in question is located inside outer converted loop
- // then emit labeled break\continue
- // otherwise propagate pair 'label -> marker' to outer converted loop and emit 'return labelMarker' so outer loop can later decide what to do
- if (!outerLoop || (outerLoop.labels && outerLoop.labels.get(labelText))) {
- var label = ts.createIdentifier(labelText);
- statements.push(isBreak ? ts.createBreak(label) : ts.createContinue(label));
- }
- else {
- setLabeledJump(outerLoop, isBreak, labelText, labelMarker);
- statements.push(ts.createReturn(loopResultName));
- }
- caseClauses.push(ts.createCaseClause(ts.createLiteral(labelMarker), statements));
- });
- }
- function processLoopVariableDeclaration(container, decl, loopParameters, loopOutParameters, hasCapturedBindingsInForInitializer) {
- var name = decl.name;
- if (ts.isBindingPattern(name)) {
- for (var _i = 0, _a = name.elements; _i < _a.length; _i++) {
- var element = _a[_i];
- if (!ts.isOmittedExpression(element)) {
- processLoopVariableDeclaration(container, element, loopParameters, loopOutParameters, hasCapturedBindingsInForInitializer);
- }
- }
- }
- else {
- loopParameters.push(ts.createParameter(/*decorators*/ undefined, /*modifiers*/ undefined, /*dotDotDotToken*/ undefined, name));
- var checkFlags = resolver.getNodeCheckFlags(decl);
- if (checkFlags & 4194304 /* NeedsLoopOutParameter */ || hasCapturedBindingsInForInitializer) {
- var outParamName = ts.createUniqueName("out_" + ts.idText(name));
- var flags = 0;
- if (checkFlags & 4194304 /* NeedsLoopOutParameter */) {
- flags |= 1 /* Body */;
- }
- if (ts.isForStatement(container) && container.initializer && resolver.isBindingCapturedByNode(container.initializer, decl)) {
- flags |= 2 /* Initializer */;
- }
- loopOutParameters.push({ flags: flags, originalName: name, outParamName: outParamName });
- }
- }
- }
- /**
- * Adds the members of an object literal to an array of expressions.
- *
- * @param expressions An array of expressions.
- * @param node An ObjectLiteralExpression node.
- * @param receiver The receiver for members of the ObjectLiteralExpression.
- * @param numInitialNonComputedProperties The number of initial properties without
- * computed property names.
- */
- function addObjectLiteralMembers(expressions, node, receiver, start) {
- var properties = node.properties;
- var numProperties = properties.length;
- for (var i = start; i < numProperties; i++) {
- var property = properties[i];
- switch (property.kind) {
- case 163 /* GetAccessor */:
- case 164 /* SetAccessor */:
- var accessors = ts.getAllAccessorDeclarations(node.properties, property);
- if (property === accessors.firstAccessor) {
- expressions.push(transformAccessorsToExpression(receiver, accessors, node, !!node.multiLine));
- }
- break;
- case 161 /* MethodDeclaration */:
- expressions.push(transformObjectLiteralMethodDeclarationToExpression(property, receiver, node, node.multiLine));
- break;
- case 281 /* PropertyAssignment */:
- expressions.push(transformPropertyAssignmentToExpression(property, receiver, node.multiLine));
- break;
- case 282 /* ShorthandPropertyAssignment */:
- expressions.push(transformShorthandPropertyAssignmentToExpression(property, receiver, node.multiLine));
- break;
- default:
- ts.Debug.failBadSyntaxKind(node);
- break;
- }
- }
- }
- /**
- * Transforms a PropertyAssignment node into an expression.
- *
- * @param node The ObjectLiteralExpression that contains the PropertyAssignment.
- * @param property The PropertyAssignment node.
- * @param receiver The receiver for the assignment.
- */
- function transformPropertyAssignmentToExpression(property, receiver, startsOnNewLine) {
- var expression = ts.createAssignment(ts.createMemberAccessForPropertyName(receiver, ts.visitNode(property.name, visitor, ts.isPropertyName)), ts.visitNode(property.initializer, visitor, ts.isExpression));
- ts.setTextRange(expression, property);
- if (startsOnNewLine) {
- ts.startOnNewLine(expression);
- }
- return expression;
- }
- /**
- * Transforms a ShorthandPropertyAssignment node into an expression.
- *
- * @param node The ObjectLiteralExpression that contains the ShorthandPropertyAssignment.
- * @param property The ShorthandPropertyAssignment node.
- * @param receiver The receiver for the assignment.
- */
- function transformShorthandPropertyAssignmentToExpression(property, receiver, startsOnNewLine) {
- var expression = ts.createAssignment(ts.createMemberAccessForPropertyName(receiver, ts.visitNode(property.name, visitor, ts.isPropertyName)), ts.getSynthesizedClone(property.name));
- ts.setTextRange(expression, property);
- if (startsOnNewLine) {
- ts.startOnNewLine(expression);
- }
- return expression;
- }
- /**
- * Transforms a MethodDeclaration of an ObjectLiteralExpression into an expression.
- *
- * @param node The ObjectLiteralExpression that contains the MethodDeclaration.
- * @param method The MethodDeclaration node.
- * @param receiver The receiver for the assignment.
- */
- function transformObjectLiteralMethodDeclarationToExpression(method, receiver, container, startsOnNewLine) {
- var expression = ts.createAssignment(ts.createMemberAccessForPropertyName(receiver, ts.visitNode(method.name, visitor, ts.isPropertyName)), transformFunctionLikeToExpression(method, /*location*/ method, /*name*/ undefined, container));
- ts.setTextRange(expression, method);
- if (startsOnNewLine) {
- ts.startOnNewLine(expression);
- }
- return expression;
- }
- function visitCatchClause(node) {
- var ancestorFacts = enterSubtree(7104 /* BlockScopeExcludes */, 0 /* BlockScopeIncludes */);
- var updated;
- ts.Debug.assert(!!node.variableDeclaration, "Catch clause variable should always be present when downleveling ES2015.");
- if (ts.isBindingPattern(node.variableDeclaration.name)) {
- var temp = ts.createTempVariable(/*recordTempVariable*/ undefined);
- var newVariableDeclaration = ts.createVariableDeclaration(temp);
- ts.setTextRange(newVariableDeclaration, node.variableDeclaration);
- var vars = ts.flattenDestructuringBinding(node.variableDeclaration, visitor, context, 0 /* All */, temp);
- var list = ts.createVariableDeclarationList(vars);
- ts.setTextRange(list, node.variableDeclaration);
- var destructure = ts.createVariableStatement(/*modifiers*/ undefined, list);
- updated = ts.updateCatchClause(node, newVariableDeclaration, addStatementToStartOfBlock(node.block, destructure));
- }
- else {
- updated = ts.visitEachChild(node, visitor, context);
- }
- exitSubtree(ancestorFacts, 0 /* None */, 0 /* None */);
- return updated;
- }
- function addStatementToStartOfBlock(block, statement) {
- var transformedStatements = ts.visitNodes(block.statements, visitor, ts.isStatement);
- return ts.updateBlock(block, __spreadArrays([statement], transformedStatements));
- }
- /**
- * Visits a MethodDeclaration of an ObjectLiteralExpression and transforms it into a
- * PropertyAssignment.
- *
- * @param node A MethodDeclaration node.
- */
- function visitMethodDeclaration(node) {
- // We should only get here for methods on an object literal with regular identifier names.
- // Methods on classes are handled in visitClassDeclaration/visitClassExpression.
- // Methods with computed property names are handled in visitObjectLiteralExpression.
- ts.Debug.assert(!ts.isComputedPropertyName(node.name));
- var functionExpression = transformFunctionLikeToExpression(node, /*location*/ ts.moveRangePos(node, -1), /*name*/ undefined, /*container*/ undefined);
- ts.setEmitFlags(functionExpression, 512 /* NoLeadingComments */ | ts.getEmitFlags(functionExpression));
- return ts.setTextRange(ts.createPropertyAssignment(node.name, functionExpression),
- /*location*/ node);
- }
- /**
- * Visits an AccessorDeclaration of an ObjectLiteralExpression.
- *
- * @param node An AccessorDeclaration node.
- */
- function visitAccessorDeclaration(node) {
- ts.Debug.assert(!ts.isComputedPropertyName(node.name));
- var savedConvertedLoopState = convertedLoopState;
- convertedLoopState = undefined;
- var ancestorFacts = enterSubtree(16286 /* FunctionExcludes */, 65 /* FunctionIncludes */);
- var updated;
- var parameters = ts.visitParameterList(node.parameters, visitor, context);
- var body = transformFunctionBody(node);
- if (node.kind === 163 /* GetAccessor */) {
- updated = ts.updateGetAccessor(node, node.decorators, node.modifiers, node.name, parameters, node.type, body);
- }
- else {
- updated = ts.updateSetAccessor(node, node.decorators, node.modifiers, node.name, parameters, body);
- }
- exitSubtree(ancestorFacts, 49152 /* FunctionSubtreeExcludes */, 0 /* None */);
- convertedLoopState = savedConvertedLoopState;
- return updated;
- }
- /**
- * Visits a ShorthandPropertyAssignment and transforms it into a PropertyAssignment.
- *
- * @param node A ShorthandPropertyAssignment node.
- */
- function visitShorthandPropertyAssignment(node) {
- return ts.setTextRange(ts.createPropertyAssignment(node.name, ts.getSynthesizedClone(node.name)),
- /*location*/ node);
- }
- function visitComputedPropertyName(node) {
- return ts.visitEachChild(node, visitor, context);
- }
- /**
- * Visits a YieldExpression node.
- *
- * @param node A YieldExpression node.
- */
- function visitYieldExpression(node) {
- // `yield` expressions are transformed using the generators transformer.
- return ts.visitEachChild(node, visitor, context);
- }
- /**
- * Visits an ArrayLiteralExpression that contains a spread element.
- *
- * @param node An ArrayLiteralExpression node.
- */
- function visitArrayLiteralExpression(node) {
- if (ts.some(node.elements, ts.isSpreadElement)) {
- // We are here because we contain a SpreadElementExpression.
- return transformAndSpreadElements(node.elements, /*needsUniqueCopy*/ true, !!node.multiLine, /*hasTrailingComma*/ !!node.elements.hasTrailingComma);
- }
- return ts.visitEachChild(node, visitor, context);
- }
- /**
- * Visits a CallExpression that contains either a spread element or `super`.
- *
- * @param node a CallExpression.
- */
- function visitCallExpression(node) {
- if (ts.getEmitFlags(node) & 33554432 /* TypeScriptClassWrapper */) {
- return visitTypeScriptClassWrapper(node);
- }
- var expression = ts.skipOuterExpressions(node.expression);
- if (expression.kind === 102 /* SuperKeyword */ ||
- ts.isSuperProperty(expression) ||
- ts.some(node.arguments, ts.isSpreadElement)) {
- return visitCallExpressionWithPotentialCapturedThisAssignment(node, /*assignToCapturedThis*/ true);
- }
- return ts.updateCall(node, ts.visitNode(node.expression, callExpressionVisitor, ts.isExpression),
- /*typeArguments*/ undefined, ts.visitNodes(node.arguments, visitor, ts.isExpression));
- }
- function visitTypeScriptClassWrapper(node) {
- // This is a call to a class wrapper function (an IIFE) created by the 'ts' transformer.
- // The wrapper has a form similar to:
- //
- // (function() {
- // class C { // 1
- // }
- // C.x = 1; // 2
- // return C;
- // }())
- //
- // When we transform the class, we end up with something like this:
- //
- // (function () {
- // var C = (function () { // 3
- // function C() {
- // }
- // return C; // 4
- // }());
- // C.x = 1;
- // return C;
- // }())
- //
- // We want to simplify the two nested IIFEs to end up with something like this:
- //
- // (function () {
- // function C() {
- // }
- // C.x = 1;
- // return C;
- // }())
- // We skip any outer expressions in a number of places to get to the innermost
- // expression, but we will restore them later to preserve comments and source maps.
- var body = ts.cast(ts.cast(ts.skipOuterExpressions(node.expression), ts.isArrowFunction).body, ts.isBlock);
- // The class statements are the statements generated by visiting the first statement with initializer of the
- // body (1), while all other statements are added to remainingStatements (2)
- var isVariableStatementWithInitializer = function (stmt) { return ts.isVariableStatement(stmt) && !!ts.first(stmt.declarationList.declarations).initializer; };
- // visit the class body statements outside of any converted loop body.
- var savedConvertedLoopState = convertedLoopState;
- convertedLoopState = undefined;
- var bodyStatements = ts.visitNodes(body.statements, visitor, ts.isStatement);
- convertedLoopState = savedConvertedLoopState;
- var classStatements = ts.filter(bodyStatements, isVariableStatementWithInitializer);
- var remainingStatements = ts.filter(bodyStatements, function (stmt) { return !isVariableStatementWithInitializer(stmt); });
- var varStatement = ts.cast(ts.first(classStatements), ts.isVariableStatement);
- // We know there is only one variable declaration here as we verified this in an
- // earlier call to isTypeScriptClassWrapper
- var variable = varStatement.declarationList.declarations[0];
- var initializer = ts.skipOuterExpressions(variable.initializer);
- // Under certain conditions, the 'ts' transformer may introduce a class alias, which
- // we see as an assignment, for example:
- //
- // (function () {
- // var C_1;
- // var C = C_1 = (function () {
- // function C() {
- // }
- // C.x = function () { return C_1; }
- // return C;
- // }());
- // C = C_1 = __decorate([dec], C);
- // return C;
- // }())
- //
- var aliasAssignment = ts.tryCast(initializer, ts.isAssignmentExpression);
- // The underlying call (3) is another IIFE that may contain a '_super' argument.
- var call = ts.cast(aliasAssignment ? ts.skipOuterExpressions(aliasAssignment.right) : initializer, ts.isCallExpression);
- var func = ts.cast(ts.skipOuterExpressions(call.expression), ts.isFunctionExpression);
- var funcStatements = func.body.statements;
- var classBodyStart = 0;
- var classBodyEnd = -1;
- var statements = [];
- if (aliasAssignment) {
- // If we have a class alias assignment, we need to move it to the down-level constructor
- // function we generated for the class.
- var extendsCall = ts.tryCast(funcStatements[classBodyStart], ts.isExpressionStatement);
- if (extendsCall) {
- statements.push(extendsCall);
- classBodyStart++;
- }
- // The next statement is the function declaration.
- statements.push(funcStatements[classBodyStart]);
- classBodyStart++;
- // Add the class alias following the declaration.
- statements.push(ts.createExpressionStatement(ts.createAssignment(aliasAssignment.left, ts.cast(variable.name, ts.isIdentifier))));
- }
- // Find the trailing 'return' statement (4)
- while (!ts.isReturnStatement(ts.elementAt(funcStatements, classBodyEnd))) {
- classBodyEnd--;
- }
- // When we extract the statements of the inner IIFE, we exclude the 'return' statement (4)
- // as we already have one that has been introduced by the 'ts' transformer.
- ts.addRange(statements, funcStatements, classBodyStart, classBodyEnd);
- if (classBodyEnd < -1) {
- // If there were any hoisted declarations following the return statement, we should
- // append them.
- ts.addRange(statements, funcStatements, classBodyEnd + 1);
- }
- // Add the remaining statements of the outer wrapper.
- ts.addRange(statements, remainingStatements);
- // The 'es2015' class transform may add an end-of-declaration marker. If so we will add it
- // after the remaining statements from the 'ts' transformer.
- ts.addRange(statements, classStatements, /*start*/ 1);
- // Recreate any outer parentheses or partially-emitted expressions to preserve source map
- // and comment locations.
- return ts.recreateOuterExpressions(node.expression, ts.recreateOuterExpressions(variable.initializer, ts.recreateOuterExpressions(aliasAssignment && aliasAssignment.right, ts.updateCall(call, ts.recreateOuterExpressions(call.expression, ts.updateFunctionExpression(func,
- /*modifiers*/ undefined,
- /*asteriskToken*/ undefined,
- /*name*/ undefined,
- /*typeParameters*/ undefined, func.parameters,
- /*type*/ undefined, ts.updateBlock(func.body, statements))),
- /*typeArguments*/ undefined, call.arguments))));
- }
- function visitImmediateSuperCallInBody(node) {
- return visitCallExpressionWithPotentialCapturedThisAssignment(node, /*assignToCapturedThis*/ false);
- }
- function visitCallExpressionWithPotentialCapturedThisAssignment(node, assignToCapturedThis) {
- // We are here either because SuperKeyword was used somewhere in the expression, or
- // because we contain a SpreadElementExpression.
- if (node.transformFlags & 8192 /* ContainsRestOrSpread */ ||
- node.expression.kind === 102 /* SuperKeyword */ ||
- ts.isSuperProperty(ts.skipOuterExpressions(node.expression))) {
- var _a = ts.createCallBinding(node.expression, hoistVariableDeclaration), target = _a.target, thisArg = _a.thisArg;
- if (node.expression.kind === 102 /* SuperKeyword */) {
- ts.setEmitFlags(thisArg, 4 /* NoSubstitution */);
- }
- var resultingCall = void 0;
- if (node.transformFlags & 8192 /* ContainsRestOrSpread */) {
- // [source]
- // f(...a, b)
- // x.m(...a, b)
- // super(...a, b)
- // super.m(...a, b) // in static
- // super.m(...a, b) // in instance
- //
- // [output]
- // f.apply(void 0, a.concat([b]))
- // (_a = x).m.apply(_a, a.concat([b]))
- // _super.apply(this, a.concat([b]))
- // _super.m.apply(this, a.concat([b]))
- // _super.prototype.m.apply(this, a.concat([b]))
- resultingCall = ts.createFunctionApply(ts.visitNode(target, callExpressionVisitor, ts.isExpression), node.expression.kind === 102 /* SuperKeyword */ ? thisArg : ts.visitNode(thisArg, visitor, ts.isExpression), transformAndSpreadElements(node.arguments, /*needsUniqueCopy*/ false, /*multiLine*/ false, /*hasTrailingComma*/ false));
- }
- else {
- // [source]
- // super(a)
- // super.m(a) // in static
- // super.m(a) // in instance
- //
- // [output]
- // _super.call(this, a)
- // _super.m.call(this, a)
- // _super.prototype.m.call(this, a)
- resultingCall = ts.createFunctionCall(ts.visitNode(target, callExpressionVisitor, ts.isExpression), node.expression.kind === 102 /* SuperKeyword */ ? thisArg : ts.visitNode(thisArg, visitor, ts.isExpression), ts.visitNodes(node.arguments, visitor, ts.isExpression),
- /*location*/ node);
- }
- if (node.expression.kind === 102 /* SuperKeyword */) {
- var initializer = ts.createLogicalOr(resultingCall, createActualThis());
- resultingCall = assignToCapturedThis
- ? ts.createAssignment(ts.createFileLevelUniqueName("_this"), initializer)
- : initializer;
- }
- return ts.setOriginalNode(resultingCall, node);
- }
- return ts.visitEachChild(node, visitor, context);
- }
- /**
- * Visits a NewExpression that contains a spread element.
- *
- * @param node A NewExpression node.
- */
- function visitNewExpression(node) {
- if (ts.some(node.arguments, ts.isSpreadElement)) {
- // We are here because we contain a SpreadElementExpression.
- // [source]
- // new C(...a)
- //
- // [output]
- // new ((_a = C).bind.apply(_a, [void 0].concat(a)))()
- var _a = ts.createCallBinding(ts.createPropertyAccess(node.expression, "bind"), hoistVariableDeclaration), target = _a.target, thisArg = _a.thisArg;
- return ts.createNew(ts.createFunctionApply(ts.visitNode(target, visitor, ts.isExpression), thisArg, transformAndSpreadElements(ts.createNodeArray(__spreadArrays([ts.createVoidZero()], node.arguments)), /*needsUniqueCopy*/ false, /*multiLine*/ false, /*hasTrailingComma*/ false)),
- /*typeArguments*/ undefined, []);
- }
- return ts.visitEachChild(node, visitor, context);
- }
- /**
- * Transforms an array of Expression nodes that contains a SpreadExpression.
- *
- * @param elements The array of Expression nodes.
- * @param needsUniqueCopy A value indicating whether to ensure that the result is a fresh array.
- * @param multiLine A value indicating whether the result should be emitted on multiple lines.
- */
- function transformAndSpreadElements(elements, needsUniqueCopy, multiLine, hasTrailingComma) {
- // [source]
- // [a, ...b, c]
- //
- // [output (downlevelIteration)]
- // __spread([a], b, [c])
- //
- // [output]
- // __spreadArrays([a], b, [c])
- // Map spans of spread expressions into their expressions and spans of other
- // expressions into an array literal.
- var numElements = elements.length;
- var segments = ts.flatten(ts.spanMap(elements, partitionSpread, function (partition, visitPartition, _start, end) {
- return visitPartition(partition, multiLine, hasTrailingComma && end === numElements);
- }));
- if (compilerOptions.downlevelIteration) {
- if (segments.length === 1) {
- var firstSegment = segments[0];
- if (isCallToHelper(firstSegment, "___spread")) {
- return segments[0];
- }
- }
- return ts.createSpreadHelper(context, segments);
- }
- else {
- if (segments.length === 1) {
- var firstSegment = segments[0];
- if (!needsUniqueCopy
- || isPackedArrayLiteral(firstSegment)
- || isCallToHelper(firstSegment, "___spreadArrays")) {
- return segments[0];
- }
- }
- return ts.createSpreadArraysHelper(context, segments);
- }
- }
- function isPackedElement(node) {
- return !ts.isOmittedExpression(node);
- }
- function isPackedArrayLiteral(node) {
- return ts.isArrayLiteralExpression(node) && ts.every(node.elements, isPackedElement);
- }
- function isCallToHelper(firstSegment, helperName) {
- return ts.isCallExpression(firstSegment)
- && ts.isIdentifier(firstSegment.expression)
- && (ts.getEmitFlags(firstSegment.expression) & 4096 /* HelperName */)
- && firstSegment.expression.escapedText === helperName;
- }
- function partitionSpread(node) {
- return ts.isSpreadElement(node)
- ? visitSpanOfSpreads
- : visitSpanOfNonSpreads;
- }
- function visitSpanOfSpreads(chunk) {
- return ts.map(chunk, visitExpressionOfSpread);
- }
- function visitSpanOfNonSpreads(chunk, multiLine, hasTrailingComma) {
- return ts.createArrayLiteral(ts.visitNodes(ts.createNodeArray(chunk, hasTrailingComma), visitor, ts.isExpression), multiLine);
- }
- function visitSpreadElement(node) {
- return ts.visitNode(node.expression, visitor, ts.isExpression);
- }
- /**
- * Transforms the expression of a SpreadExpression node.
- *
- * @param node A SpreadExpression node.
- */
- function visitExpressionOfSpread(node) {
- return ts.visitNode(node.expression, visitor, ts.isExpression);
- }
- /**
- * Visits a template literal.
- *
- * @param node A template literal.
- */
- function visitTemplateLiteral(node) {
- return ts.setTextRange(ts.createLiteral(node.text), node);
- }
- /**
- * Visits a string literal with an extended unicode escape.
- *
- * @param node A string literal.
- */
- function visitStringLiteral(node) {
- if (node.hasExtendedUnicodeEscape) {
- return ts.setTextRange(ts.createLiteral(node.text), node);
- }
- return node;
- }
- /**
- * Visits a binary or octal (ES6) numeric literal.
- *
- * @param node A string literal.
- */
- function visitNumericLiteral(node) {
- if (node.numericLiteralFlags & 384 /* BinaryOrOctalSpecifier */) {
- return ts.setTextRange(ts.createNumericLiteral(node.text), node);
- }
- return node;
- }
- /**
- * Visits a TaggedTemplateExpression node.
- *
- * @param node A TaggedTemplateExpression node.
- */
- function visitTaggedTemplateExpression(node) {
- return ts.processTaggedTemplateExpression(context, node, visitor, currentSourceFile, recordTaggedTemplateString, ts.ProcessLevel.All);
- }
- /**
- * Visits a TemplateExpression node.
- *
- * @param node A TemplateExpression node.
- */
- function visitTemplateExpression(node) {
- var expressions = [];
- addTemplateHead(expressions, node);
- addTemplateSpans(expressions, node);
- // createAdd will check if each expression binds less closely than binary '+'.
- // If it does, it wraps the expression in parentheses. Otherwise, something like
- // `abc${ 1 << 2 }`
- // becomes
- // "abc" + 1 << 2 + ""
- // which is really
- // ("abc" + 1) << (2 + "")
- // rather than
- // "abc" + (1 << 2) + ""
- var expression = ts.reduceLeft(expressions, ts.createAdd);
- if (ts.nodeIsSynthesized(expression)) {
- expression.pos = node.pos;
- expression.end = node.end;
- }
- return expression;
- }
- /**
- * Gets a value indicating whether we need to include the head of a TemplateExpression.
- *
- * @param node A TemplateExpression node.
- */
- function shouldAddTemplateHead(node) {
- // If this expression has an empty head literal and the first template span has a non-empty
- // literal, then emitting the empty head literal is not necessary.
- // `${ foo } and ${ bar }`
- // can be emitted as
- // foo + " and " + bar
- // This is because it is only required that one of the first two operands in the emit
- // output must be a string literal, so that the other operand and all following operands
- // are forced into strings.
- //
- // If the first template span has an empty literal, then the head must still be emitted.
- // `${ foo }${ bar }`
- // must still be emitted as
- // "" + foo + bar
- // There is always atleast one templateSpan in this code path, since
- // NoSubstitutionTemplateLiterals are directly emitted via emitLiteral()
- ts.Debug.assert(node.templateSpans.length !== 0);
- return node.head.text.length !== 0 || node.templateSpans[0].literal.text.length === 0;
- }
- /**
- * Adds the head of a TemplateExpression to an array of expressions.
- *
- * @param expressions An array of expressions.
- * @param node A TemplateExpression node.
- */
- function addTemplateHead(expressions, node) {
- if (!shouldAddTemplateHead(node)) {
- return;
- }
- expressions.push(ts.createLiteral(node.head.text));
- }
- /**
- * Visits and adds the template spans of a TemplateExpression to an array of expressions.
- *
- * @param expressions An array of expressions.
- * @param node A TemplateExpression node.
- */
- function addTemplateSpans(expressions, node) {
- for (var _i = 0, _a = node.templateSpans; _i < _a.length; _i++) {
- var span = _a[_i];
- expressions.push(ts.visitNode(span.expression, visitor, ts.isExpression));
- // Only emit if the literal is non-empty.
- // The binary '+' operator is left-associative, so the first string concatenation
- // with the head will force the result up to this point to be a string.
- // Emitting a '+ ""' has no semantic effect for middles and tails.
- if (span.literal.text.length !== 0) {
- expressions.push(ts.createLiteral(span.literal.text));
- }
- }
- }
- /**
- * Visits the `super` keyword
- */
- function visitSuperKeyword(isExpressionOfCall) {
- return hierarchyFacts & 8 /* NonStaticClassElement */ && !isExpressionOfCall ? ts.createPropertyAccess(ts.createFileLevelUniqueName("_super"), "prototype") :
- ts.createFileLevelUniqueName("_super");
- }
- function visitMetaProperty(node) {
- if (node.keywordToken === 99 /* NewKeyword */ && node.name.escapedText === "target") {
- hierarchyFacts |= 16384 /* NewTarget */;
- return ts.createFileLevelUniqueName("_newTarget");
- }
- return node;
- }
- /**
- * Called by the printer just before a node is printed.
- *
- * @param hint A hint as to the intended usage of the node.
- * @param node The node to be printed.
- * @param emitCallback The callback used to emit the node.
- */
- function onEmitNode(hint, node, emitCallback) {
- if (enabledSubstitutions & 1 /* CapturedThis */ && ts.isFunctionLike(node)) {
- // If we are tracking a captured `this`, keep track of the enclosing function.
- var ancestorFacts = enterSubtree(16286 /* FunctionExcludes */, ts.getEmitFlags(node) & 8 /* CapturesThis */
- ? 65 /* FunctionIncludes */ | 16 /* CapturesThis */
- : 65 /* FunctionIncludes */);
- previousOnEmitNode(hint, node, emitCallback);
- exitSubtree(ancestorFacts, 0 /* None */, 0 /* None */);
- return;
- }
- previousOnEmitNode(hint, node, emitCallback);
- }
- /**
- * Enables a more costly code path for substitutions when we determine a source file
- * contains block-scoped bindings (e.g. `let` or `const`).
- */
- function enableSubstitutionsForBlockScopedBindings() {
- if ((enabledSubstitutions & 2 /* BlockScopedBindings */) === 0) {
- enabledSubstitutions |= 2 /* BlockScopedBindings */;
- context.enableSubstitution(75 /* Identifier */);
- }
- }
- /**
- * Enables a more costly code path for substitutions when we determine a source file
- * contains a captured `this`.
- */
- function enableSubstitutionsForCapturedThis() {
- if ((enabledSubstitutions & 1 /* CapturedThis */) === 0) {
- enabledSubstitutions |= 1 /* CapturedThis */;
- context.enableSubstitution(104 /* ThisKeyword */);
- context.enableEmitNotification(162 /* Constructor */);
- context.enableEmitNotification(161 /* MethodDeclaration */);
- context.enableEmitNotification(163 /* GetAccessor */);
- context.enableEmitNotification(164 /* SetAccessor */);
- context.enableEmitNotification(202 /* ArrowFunction */);
- context.enableEmitNotification(201 /* FunctionExpression */);
- context.enableEmitNotification(244 /* FunctionDeclaration */);
- }
- }
- /**
- * Hooks node substitutions.
- *
- * @param hint The context for the emitter.
- * @param node The node to substitute.
- */
- function onSubstituteNode(hint, node) {
- node = previousOnSubstituteNode(hint, node);
- if (hint === 1 /* Expression */) {
- return substituteExpression(node);
- }
- if (ts.isIdentifier(node)) {
- return substituteIdentifier(node);
- }
- return node;
- }
- /**
- * Hooks substitutions for non-expression identifiers.
- */
- function substituteIdentifier(node) {
- // Only substitute the identifier if we have enabled substitutions for block-scoped
- // bindings.
- if (enabledSubstitutions & 2 /* BlockScopedBindings */ && !ts.isInternalName(node)) {
- var original = ts.getParseTreeNode(node, ts.isIdentifier);
- if (original && isNameOfDeclarationWithCollidingName(original)) {
- return ts.setTextRange(ts.getGeneratedNameForNode(original), node);
- }
- }
- return node;
- }
- /**
- * Determines whether a name is the name of a declaration with a colliding name.
- * NOTE: This function expects to be called with an original source tree node.
- *
- * @param node An original source tree node.
- */
- function isNameOfDeclarationWithCollidingName(node) {
- switch (node.parent.kind) {
- case 191 /* BindingElement */:
- case 245 /* ClassDeclaration */:
- case 248 /* EnumDeclaration */:
- case 242 /* VariableDeclaration */:
- return node.parent.name === node
- && resolver.isDeclarationWithCollidingName(node.parent);
- }
- return false;
- }
- /**
- * Substitutes an expression.
- *
- * @param node An Expression node.
- */
- function substituteExpression(node) {
- switch (node.kind) {
- case 75 /* Identifier */:
- return substituteExpressionIdentifier(node);
- case 104 /* ThisKeyword */:
- return substituteThisKeyword(node);
- }
- return node;
- }
- /**
- * Substitutes an expression identifier.
- *
- * @param node An Identifier node.
- */
- function substituteExpressionIdentifier(node) {
- if (enabledSubstitutions & 2 /* BlockScopedBindings */ && !ts.isInternalName(node)) {
- var declaration = resolver.getReferencedDeclarationWithCollidingName(node);
- if (declaration && !(ts.isClassLike(declaration) && isPartOfClassBody(declaration, node))) {
- return ts.setTextRange(ts.getGeneratedNameForNode(ts.getNameOfDeclaration(declaration)), node);
- }
- }
- return node;
- }
- function isPartOfClassBody(declaration, node) {
- var currentNode = ts.getParseTreeNode(node);
- if (!currentNode || currentNode === declaration || currentNode.end <= declaration.pos || currentNode.pos >= declaration.end) {
- // if the node has no correlation to a parse tree node, its definitely not
- // part of the body.
- // if the node is outside of the document range of the declaration, its
- // definitely not part of the body.
- return false;
- }
- var blockScope = ts.getEnclosingBlockScopeContainer(declaration);
- while (currentNode) {
- if (currentNode === blockScope || currentNode === declaration) {
- // if we are in the enclosing block scope of the declaration, we are definitely
- // not inside the class body.
- return false;
- }
- if (ts.isClassElement(currentNode) && currentNode.parent === declaration) {
- return true;
- }
- currentNode = currentNode.parent;
- }
- return false;
- }
- /**
- * Substitutes `this` when contained within an arrow function.
- *
- * @param node The ThisKeyword node.
- */
- function substituteThisKeyword(node) {
- if (enabledSubstitutions & 1 /* CapturedThis */
- && hierarchyFacts & 16 /* CapturesThis */) {
- return ts.setTextRange(ts.createFileLevelUniqueName("_this"), node);
- }
- return node;
- }
- function getClassMemberPrefix(node, member) {
- return ts.hasModifier(member, 32 /* Static */)
- ? ts.getInternalName(node)
- : ts.createPropertyAccess(ts.getInternalName(node), "prototype");
- }
- function hasSynthesizedDefaultSuperCall(constructor, hasExtendsClause) {
- if (!constructor || !hasExtendsClause) {
- return false;
- }
- if (ts.some(constructor.parameters)) {
- return false;
- }
- var statement = ts.firstOrUndefined(constructor.body.statements);
- if (!statement || !ts.nodeIsSynthesized(statement) || statement.kind !== 226 /* ExpressionStatement */) {
- return false;
- }
- var statementExpression = statement.expression;
- if (!ts.nodeIsSynthesized(statementExpression) || statementExpression.kind !== 196 /* CallExpression */) {
- return false;
- }
- var callTarget = statementExpression.expression;
- if (!ts.nodeIsSynthesized(callTarget) || callTarget.kind !== 102 /* SuperKeyword */) {
- return false;
- }
- var callArgument = ts.singleOrUndefined(statementExpression.arguments);
- if (!callArgument || !ts.nodeIsSynthesized(callArgument) || callArgument.kind !== 213 /* SpreadElement */) {
- return false;
- }
- var expression = callArgument.expression;
- return ts.isIdentifier(expression) && expression.escapedText === "arguments";
- }
- }
- ts.transformES2015 = transformES2015;
- function createExtendsHelper(context, name) {
- context.requestEmitHelper(ts.extendsHelper);
- return ts.createCall(ts.getUnscopedHelperName("__extends"),
- /*typeArguments*/ undefined, [
- name,
- ts.createFileLevelUniqueName("_super")
- ]);
- }
- ts.extendsHelper = {
- name: "typescript:extends",
- importName: "__extends",
- scoped: false,
- priority: 0,
- text: "\n var __extends = (this && this.__extends) || (function () {\n var extendStatics = function (d, b) {\n extendStatics = Object.setPrototypeOf ||\n ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||\n function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };\n return extendStatics(d, b);\n };\n\n return function (d, b) {\n extendStatics(d, b);\n function __() { this.constructor = d; }\n d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());\n };\n })();"
- };
-})(ts || (ts = {}));
-/*@internal*/
-var ts;
-(function (ts) {
- /**
- * Transforms ES5 syntax into ES3 syntax.
- *
- * @param context Context and state information for the transformation.
- */
- function transformES5(context) {
- var compilerOptions = context.getCompilerOptions();
- // enable emit notification only if using --jsx preserve or react-native
- var previousOnEmitNode;
- var noSubstitution;
- if (compilerOptions.jsx === 1 /* Preserve */ || compilerOptions.jsx === 3 /* ReactNative */) {
- previousOnEmitNode = context.onEmitNode;
- context.onEmitNode = onEmitNode;
- context.enableEmitNotification(268 /* JsxOpeningElement */);
- context.enableEmitNotification(269 /* JsxClosingElement */);
- context.enableEmitNotification(267 /* JsxSelfClosingElement */);
- noSubstitution = [];
- }
- var previousOnSubstituteNode = context.onSubstituteNode;
- context.onSubstituteNode = onSubstituteNode;
- context.enableSubstitution(194 /* PropertyAccessExpression */);
- context.enableSubstitution(281 /* PropertyAssignment */);
- return ts.chainBundle(transformSourceFile);
- /**
- * Transforms an ES5 source file to ES3.
- *
- * @param node A SourceFile
- */
- function transformSourceFile(node) {
- return node;
- }
- /**
- * Called by the printer just before a node is printed.
- *
- * @param hint A hint as to the intended usage of the node.
- * @param node The node to emit.
- * @param emitCallback A callback used to emit the node.
- */
- function onEmitNode(hint, node, emitCallback) {
- switch (node.kind) {
- case 268 /* JsxOpeningElement */:
- case 269 /* JsxClosingElement */:
- case 267 /* JsxSelfClosingElement */:
- var tagName = node.tagName;
- noSubstitution[ts.getOriginalNodeId(tagName)] = true;
- break;
- }
- previousOnEmitNode(hint, node, emitCallback);
- }
- /**
- * Hooks node substitutions.
- *
- * @param hint A hint as to the intended usage of the node.
- * @param node The node to substitute.
- */
- function onSubstituteNode(hint, node) {
- if (node.id && noSubstitution && noSubstitution[node.id]) {
- return previousOnSubstituteNode(hint, node);
- }
- node = previousOnSubstituteNode(hint, node);
- if (ts.isPropertyAccessExpression(node)) {
- return substitutePropertyAccessExpression(node);
- }
- else if (ts.isPropertyAssignment(node)) {
- return substitutePropertyAssignment(node);
- }
- return node;
- }
- /**
- * Substitutes a PropertyAccessExpression whose name is a reserved word.
- *
- * @param node A PropertyAccessExpression
- */
- function substitutePropertyAccessExpression(node) {
- if (ts.isPrivateIdentifier(node.name)) {
- return node;
- }
- var literalName = trySubstituteReservedName(node.name);
- if (literalName) {
- return ts.setTextRange(ts.createElementAccess(node.expression, literalName), node);
- }
- return node;
- }
- /**
- * Substitutes a PropertyAssignment whose name is a reserved word.
- *
- * @param node A PropertyAssignment
- */
- function substitutePropertyAssignment(node) {
- var literalName = ts.isIdentifier(node.name) && trySubstituteReservedName(node.name);
- if (literalName) {
- return ts.updatePropertyAssignment(node, literalName, node.initializer);
- }
- return node;
- }
- /**
- * If an identifier name is a reserved word, returns a string literal for the name.
- *
- * @param name An Identifier
- */
- function trySubstituteReservedName(name) {
- var token = name.originalKeywordKind || (ts.nodeIsSynthesized(name) ? ts.stringToToken(ts.idText(name)) : undefined);
- if (token !== undefined && token >= 77 /* FirstReservedWord */ && token <= 112 /* LastReservedWord */) {
- return ts.setTextRange(ts.createLiteral(name), name);
- }
- return undefined;
- }
- }
- ts.transformES5 = transformES5;
-})(ts || (ts = {}));
-// Transforms generator functions into a compatible ES5 representation with similar runtime
-// semantics. This is accomplished by first transforming the body of each generator
-// function into an intermediate representation that is the compiled into a JavaScript
-// switch statement.
-//
-// Many functions in this transformer will contain comments indicating the expected
-// intermediate representation. For illustrative purposes, the following intermediate
-// language is used to define this intermediate representation:
-//
-// .nop - Performs no operation.
-// .local NAME, ... - Define local variable declarations.
-// .mark LABEL - Mark the location of a label.
-// .br LABEL - Jump to a label. If jumping out of a protected
-// region, all .finally blocks are executed.
-// .brtrue LABEL, (x) - Jump to a label IIF the expression `x` is truthy.
-// If jumping out of a protected region, all .finally
-// blocks are executed.
-// .brfalse LABEL, (x) - Jump to a label IIF the expression `x` is falsey.
-// If jumping out of a protected region, all .finally
-// blocks are executed.
-// .yield (x) - Yield the value of the optional expression `x`.
-// Resume at the next label.
-// .yieldstar (x) - Delegate yield to the value of the optional
-// expression `x`. Resume at the next label.
-// NOTE: `x` must be an Iterator, not an Iterable.
-// .loop CONTINUE, BREAK - Marks the beginning of a loop. Any "continue" or
-// "break" abrupt completions jump to the CONTINUE or
-// BREAK labels, respectively.
-// .endloop - Marks the end of a loop.
-// .with (x) - Marks the beginning of a WithStatement block, using
-// the supplied expression.
-// .endwith - Marks the end of a WithStatement.
-// .switch - Marks the beginning of a SwitchStatement.
-// .endswitch - Marks the end of a SwitchStatement.
-// .labeled NAME - Marks the beginning of a LabeledStatement with the
-// supplied name.
-// .endlabeled - Marks the end of a LabeledStatement.
-// .try TRY, CATCH, FINALLY, END - Marks the beginning of a protected region, and the
-// labels for each block.
-// .catch (x) - Marks the beginning of a catch block.
-// .finally - Marks the beginning of a finally block.
-// .endfinally - Marks the end of a finally block.
-// .endtry - Marks the end of a protected region.
-// .throw (x) - Throws the value of the expression `x`.
-// .return (x) - Returns the value of the expression `x`.
-//
-// In addition, the illustrative intermediate representation introduces some special
-// variables:
-//
-// %sent% - Either returns the next value sent to the generator,
-// returns the result of a delegated yield, or throws
-// the exception sent to the generator.
-// %error% - Returns the value of the current exception in a
-// catch block.
-//
-// This intermediate representation is then compiled into JavaScript syntax. The resulting
-// compilation output looks something like the following:
-//
-// function f() {
-// var /*locals*/;
-// /*functions*/
-// return __generator(function (state) {
-// switch (state.label) {
-// /*cases per label*/
-// }
-// });
-// }
-//
-// Each of the above instructions corresponds to JavaScript emit similar to the following:
-//
-// .local NAME | var NAME;
-// -------------------------------|----------------------------------------------
-// .mark LABEL | case LABEL:
-// -------------------------------|----------------------------------------------
-// .br LABEL | return [3 /*break*/, LABEL];
-// -------------------------------|----------------------------------------------
-// .brtrue LABEL, (x) | if (x) return [3 /*break*/, LABEL];
-// -------------------------------|----------------------------------------------
-// .brfalse LABEL, (x) | if (!(x)) return [3, /*break*/, LABEL];
-// -------------------------------|----------------------------------------------
-// .yield (x) | return [4 /*yield*/, x];
-// .mark RESUME | case RESUME:
-// a = %sent%; | a = state.sent();
-// -------------------------------|----------------------------------------------
-// .yieldstar (x) | return [5 /*yield**/, x];
-// .mark RESUME | case RESUME:
-// a = %sent%; | a = state.sent();
-// -------------------------------|----------------------------------------------
-// .with (_a) | with (_a) {
-// a(); | a();
-// | }
-// | state.label = LABEL;
-// .mark LABEL | case LABEL:
-// | with (_a) {
-// b(); | b();
-// | }
-// .endwith |
-// -------------------------------|----------------------------------------------
-// | case 0:
-// | state.trys = [];
-// | ...
-// .try TRY, CATCH, FINALLY, END |
-// .mark TRY | case TRY:
-// | state.trys.push([TRY, CATCH, FINALLY, END]);
-// .nop |
-// a(); | a();
-// .br END | return [3 /*break*/, END];
-// .catch (e) |
-// .mark CATCH | case CATCH:
-// | e = state.sent();
-// b(); | b();
-// .br END | return [3 /*break*/, END];
-// .finally |
-// .mark FINALLY | case FINALLY:
-// c(); | c();
-// .endfinally | return [7 /*endfinally*/];
-// .endtry |
-// .mark END | case END:
-/*@internal*/
-var ts;
-(function (ts) {
- var OpCode;
- (function (OpCode) {
- OpCode[OpCode["Nop"] = 0] = "Nop";
- OpCode[OpCode["Statement"] = 1] = "Statement";
- OpCode[OpCode["Assign"] = 2] = "Assign";
- OpCode[OpCode["Break"] = 3] = "Break";
- OpCode[OpCode["BreakWhenTrue"] = 4] = "BreakWhenTrue";
- OpCode[OpCode["BreakWhenFalse"] = 5] = "BreakWhenFalse";
- OpCode[OpCode["Yield"] = 6] = "Yield";
- OpCode[OpCode["YieldStar"] = 7] = "YieldStar";
- OpCode[OpCode["Return"] = 8] = "Return";
- OpCode[OpCode["Throw"] = 9] = "Throw";
- OpCode[OpCode["Endfinally"] = 10] = "Endfinally"; // Marks the end of a `finally` block
- })(OpCode || (OpCode = {}));
- // whether a generated code block is opening or closing at the current operation for a FunctionBuilder
- var BlockAction;
- (function (BlockAction) {
- BlockAction[BlockAction["Open"] = 0] = "Open";
- BlockAction[BlockAction["Close"] = 1] = "Close";
- })(BlockAction || (BlockAction = {}));
- // the kind for a generated code block in a FunctionBuilder
- var CodeBlockKind;
- (function (CodeBlockKind) {
- CodeBlockKind[CodeBlockKind["Exception"] = 0] = "Exception";
- CodeBlockKind[CodeBlockKind["With"] = 1] = "With";
- CodeBlockKind[CodeBlockKind["Switch"] = 2] = "Switch";
- CodeBlockKind[CodeBlockKind["Loop"] = 3] = "Loop";
- CodeBlockKind[CodeBlockKind["Labeled"] = 4] = "Labeled";
- })(CodeBlockKind || (CodeBlockKind = {}));
- // the state for a generated code exception block
- var ExceptionBlockState;
- (function (ExceptionBlockState) {
- ExceptionBlockState[ExceptionBlockState["Try"] = 0] = "Try";
- ExceptionBlockState[ExceptionBlockState["Catch"] = 1] = "Catch";
- ExceptionBlockState[ExceptionBlockState["Finally"] = 2] = "Finally";
- ExceptionBlockState[ExceptionBlockState["Done"] = 3] = "Done";
- })(ExceptionBlockState || (ExceptionBlockState = {}));
- // NOTE: changes to this enum should be reflected in the __generator helper.
- var Instruction;
- (function (Instruction) {
- Instruction[Instruction["Next"] = 0] = "Next";
- Instruction[Instruction["Throw"] = 1] = "Throw";
- Instruction[Instruction["Return"] = 2] = "Return";
- Instruction[Instruction["Break"] = 3] = "Break";
- Instruction[Instruction["Yield"] = 4] = "Yield";
- Instruction[Instruction["YieldStar"] = 5] = "YieldStar";
- Instruction[Instruction["Catch"] = 6] = "Catch";
- Instruction[Instruction["Endfinally"] = 7] = "Endfinally";
- })(Instruction || (Instruction = {}));
- function getInstructionName(instruction) {
- switch (instruction) {
- case 2 /* Return */: return "return";
- case 3 /* Break */: return "break";
- case 4 /* Yield */: return "yield";
- case 5 /* YieldStar */: return "yield*";
- case 7 /* Endfinally */: return "endfinally";
- default: return undefined; // TODO: GH#18217
- }
- }
- function transformGenerators(context) {
- var resumeLexicalEnvironment = context.resumeLexicalEnvironment, endLexicalEnvironment = context.endLexicalEnvironment, hoistFunctionDeclaration = context.hoistFunctionDeclaration, hoistVariableDeclaration = context.hoistVariableDeclaration;
- var compilerOptions = context.getCompilerOptions();
- var languageVersion = ts.getEmitScriptTarget(compilerOptions);
- var resolver = context.getEmitResolver();
- var previousOnSubstituteNode = context.onSubstituteNode;
- context.onSubstituteNode = onSubstituteNode;
- var renamedCatchVariables;
- var renamedCatchVariableDeclarations;
- var inGeneratorFunctionBody;
- var inStatementContainingYield;
- // The following three arrays store information about generated code blocks.
- // All three arrays are correlated by their index. This approach is used over allocating
- // objects to store the same information to avoid GC overhead.
- //
- var blocks; // Information about the code block
- var blockOffsets; // The operation offset at which a code block begins or ends
- var blockActions; // Whether the code block is opened or closed
- var blockStack; // A stack of currently open code blocks
- // Labels are used to mark locations in the code that can be the target of a Break (jump)
- // operation. These are translated into case clauses in a switch statement.
- // The following two arrays are correlated by their index. This approach is used over
- // allocating objects to store the same information to avoid GC overhead.
- //
- var labelOffsets; // The operation offset at which the label is defined.
- var labelExpressions; // The NumericLiteral nodes bound to each label.
- var nextLabelId = 1; // The next label id to use.
- // Operations store information about generated code for the function body. This
- // Includes things like statements, assignments, breaks (jumps), and yields.
- // The following three arrays are correlated by their index. This approach is used over
- // allocating objects to store the same information to avoid GC overhead.
- //
- var operations; // The operation to perform.
- var operationArguments; // The arguments to the operation.
- var operationLocations; // The source map location for the operation.
- var state; // The name of the state object used by the generator at runtime.
- // The following variables store information used by the `build` function:
- //
- var blockIndex = 0; // The index of the current block.
- var labelNumber = 0; // The current label number.
- var labelNumbers;
- var lastOperationWasAbrupt; // Indicates whether the last operation was abrupt (break/continue).
- var lastOperationWasCompletion; // Indicates whether the last operation was a completion (return/throw).
- var clauses; // The case clauses generated for labels.
- var statements; // The statements for the current label.
- var exceptionBlockStack; // A stack of containing exception blocks.
- var currentExceptionBlock; // The current exception block.
- var withBlockStack; // A stack containing `with` blocks.
- return ts.chainBundle(transformSourceFile);
- function transformSourceFile(node) {
- if (node.isDeclarationFile || (node.transformFlags & 512 /* ContainsGenerator */) === 0) {
- return node;
- }
- var visited = ts.visitEachChild(node, visitor, context);
- ts.addEmitHelpers(visited, context.readEmitHelpers());
- return visited;
- }
- /**
- * Visits a node.
- *
- * @param node The node to visit.
- */
- function visitor(node) {
- var transformFlags = node.transformFlags;
- if (inStatementContainingYield) {
- return visitJavaScriptInStatementContainingYield(node);
- }
- else if (inGeneratorFunctionBody) {
- return visitJavaScriptInGeneratorFunctionBody(node);
- }
- else if (ts.isFunctionLikeDeclaration(node) && node.asteriskToken) {
- return visitGenerator(node);
- }
- else if (transformFlags & 512 /* ContainsGenerator */) {
- return ts.visitEachChild(node, visitor, context);
- }
- else {
- return node;
- }
- }
- /**
- * Visits a node that is contained within a statement that contains yield.
- *
- * @param node The node to visit.
- */
- function visitJavaScriptInStatementContainingYield(node) {
- switch (node.kind) {
- case 228 /* DoStatement */:
- return visitDoStatement(node);
- case 229 /* WhileStatement */:
- return visitWhileStatement(node);
- case 237 /* SwitchStatement */:
- return visitSwitchStatement(node);
- case 238 /* LabeledStatement */:
- return visitLabeledStatement(node);
- default:
- return visitJavaScriptInGeneratorFunctionBody(node);
- }
- }
- /**
- * Visits a node that is contained within a generator function.
- *
- * @param node The node to visit.
- */
- function visitJavaScriptInGeneratorFunctionBody(node) {
- switch (node.kind) {
- case 244 /* FunctionDeclaration */:
- return visitFunctionDeclaration(node);
- case 201 /* FunctionExpression */:
- return visitFunctionExpression(node);
- case 163 /* GetAccessor */:
- case 164 /* SetAccessor */:
- return visitAccessorDeclaration(node);
- case 225 /* VariableStatement */:
- return visitVariableStatement(node);
- case 230 /* ForStatement */:
- return visitForStatement(node);
- case 231 /* ForInStatement */:
- return visitForInStatement(node);
- case 234 /* BreakStatement */:
- return visitBreakStatement(node);
- case 233 /* ContinueStatement */:
- return visitContinueStatement(node);
- case 235 /* ReturnStatement */:
- return visitReturnStatement(node);
- default:
- if (node.transformFlags & 262144 /* ContainsYield */) {
- return visitJavaScriptContainingYield(node);
- }
- else if (node.transformFlags & (512 /* ContainsGenerator */ | 1048576 /* ContainsHoistedDeclarationOrCompletion */)) {
- return ts.visitEachChild(node, visitor, context);
- }
- else {
- return node;
- }
- }
- }
- /**
- * Visits a node that contains a YieldExpression.
- *
- * @param node The node to visit.
- */
- function visitJavaScriptContainingYield(node) {
- switch (node.kind) {
- case 209 /* BinaryExpression */:
- return visitBinaryExpression(node);
- case 210 /* ConditionalExpression */:
- return visitConditionalExpression(node);
- case 212 /* YieldExpression */:
- return visitYieldExpression(node);
- case 192 /* ArrayLiteralExpression */:
- return visitArrayLiteralExpression(node);
- case 193 /* ObjectLiteralExpression */:
- return visitObjectLiteralExpression(node);
- case 195 /* ElementAccessExpression */:
- return visitElementAccessExpression(node);
- case 196 /* CallExpression */:
- return visitCallExpression(node);
- case 197 /* NewExpression */:
- return visitNewExpression(node);
- default:
- return ts.visitEachChild(node, visitor, context);
- }
- }
- /**
- * Visits a generator function.
- *
- * @param node The node to visit.
- */
- function visitGenerator(node) {
- switch (node.kind) {
- case 244 /* FunctionDeclaration */:
- return visitFunctionDeclaration(node);
- case 201 /* FunctionExpression */:
- return visitFunctionExpression(node);
- default:
- return ts.Debug.failBadSyntaxKind(node);
- }
- }
- /**
- * Visits a function declaration.
- *
- * This will be called when one of the following conditions are met:
- * - The function declaration is a generator function.
- * - The function declaration is contained within the body of a generator function.
- *
- * @param node The node to visit.
- */
- function visitFunctionDeclaration(node) {
- // Currently, we only support generators that were originally async functions.
- if (node.asteriskToken) {
- node = ts.setOriginalNode(ts.setTextRange(ts.createFunctionDeclaration(
- /*decorators*/ undefined, node.modifiers,
- /*asteriskToken*/ undefined, node.name,
- /*typeParameters*/ undefined, ts.visitParameterList(node.parameters, visitor, context),
- /*type*/ undefined, transformGeneratorFunctionBody(node.body)),
- /*location*/ node), node);
- }
- else {
- var savedInGeneratorFunctionBody = inGeneratorFunctionBody;
- var savedInStatementContainingYield = inStatementContainingYield;
- inGeneratorFunctionBody = false;
- inStatementContainingYield = false;
- node = ts.visitEachChild(node, visitor, context);
- inGeneratorFunctionBody = savedInGeneratorFunctionBody;
- inStatementContainingYield = savedInStatementContainingYield;
- }
- if (inGeneratorFunctionBody) {
- // Function declarations in a generator function body are hoisted
- // to the top of the lexical scope and elided from the current statement.
- hoistFunctionDeclaration(node);
- return undefined;
- }
- else {
- return node;
- }
- }
- /**
- * Visits a function expression.
- *
- * This will be called when one of the following conditions are met:
- * - The function expression is a generator function.
- * - The function expression is contained within the body of a generator function.
- *
- * @param node The node to visit.
- */
- function visitFunctionExpression(node) {
- // Currently, we only support generators that were originally async functions.
- if (node.asteriskToken) {
- node = ts.setOriginalNode(ts.setTextRange(ts.createFunctionExpression(
- /*modifiers*/ undefined,
- /*asteriskToken*/ undefined, node.name,
- /*typeParameters*/ undefined, ts.visitParameterList(node.parameters, visitor, context),
- /*type*/ undefined, transformGeneratorFunctionBody(node.body)),
- /*location*/ node), node);
- }
- else {
- var savedInGeneratorFunctionBody = inGeneratorFunctionBody;
- var savedInStatementContainingYield = inStatementContainingYield;
- inGeneratorFunctionBody = false;
- inStatementContainingYield = false;
- node = ts.visitEachChild(node, visitor, context);
- inGeneratorFunctionBody = savedInGeneratorFunctionBody;
- inStatementContainingYield = savedInStatementContainingYield;
- }
- return node;
- }
- /**
- * Visits a get or set accessor declaration.
- *
- * This will be called when one of the following conditions are met:
- * - The accessor is contained within the body of a generator function.
- *
- * @param node The node to visit.
- */
- function visitAccessorDeclaration(node) {
- var savedInGeneratorFunctionBody = inGeneratorFunctionBody;
- var savedInStatementContainingYield = inStatementContainingYield;
- inGeneratorFunctionBody = false;
- inStatementContainingYield = false;
- node = ts.visitEachChild(node, visitor, context);
- inGeneratorFunctionBody = savedInGeneratorFunctionBody;
- inStatementContainingYield = savedInStatementContainingYield;
- return node;
- }
- /**
- * Transforms the body of a generator function declaration.
- *
- * @param node The function body to transform.
- */
- function transformGeneratorFunctionBody(body) {
- // Save existing generator state
- var statements = [];
- var savedInGeneratorFunctionBody = inGeneratorFunctionBody;
- var savedInStatementContainingYield = inStatementContainingYield;
- var savedBlocks = blocks;
- var savedBlockOffsets = blockOffsets;
- var savedBlockActions = blockActions;
- var savedBlockStack = blockStack;
- var savedLabelOffsets = labelOffsets;
- var savedLabelExpressions = labelExpressions;
- var savedNextLabelId = nextLabelId;
- var savedOperations = operations;
- var savedOperationArguments = operationArguments;
- var savedOperationLocations = operationLocations;
- var savedState = state;
- // Initialize generator state
- inGeneratorFunctionBody = true;
- inStatementContainingYield = false;
- blocks = undefined;
- blockOffsets = undefined;
- blockActions = undefined;
- blockStack = undefined;
- labelOffsets = undefined;
- labelExpressions = undefined;
- nextLabelId = 1;
- operations = undefined;
- operationArguments = undefined;
- operationLocations = undefined;
- state = ts.createTempVariable(/*recordTempVariable*/ undefined);
- // Build the generator
- resumeLexicalEnvironment();
- var statementOffset = ts.addPrologue(statements, body.statements, /*ensureUseStrict*/ false, visitor);
- transformAndEmitStatements(body.statements, statementOffset);
- var buildResult = build();
- ts.insertStatementsAfterStandardPrologue(statements, endLexicalEnvironment());
- statements.push(ts.createReturn(buildResult));
- // Restore previous generator state
- inGeneratorFunctionBody = savedInGeneratorFunctionBody;
- inStatementContainingYield = savedInStatementContainingYield;
- blocks = savedBlocks;
- blockOffsets = savedBlockOffsets;
- blockActions = savedBlockActions;
- blockStack = savedBlockStack;
- labelOffsets = savedLabelOffsets;
- labelExpressions = savedLabelExpressions;
- nextLabelId = savedNextLabelId;
- operations = savedOperations;
- operationArguments = savedOperationArguments;
- operationLocations = savedOperationLocations;
- state = savedState;
- return ts.setTextRange(ts.createBlock(statements, body.multiLine), body);
- }
- /**
- * Visits a variable statement.
- *
- * This will be called when one of the following conditions are met:
- * - The variable statement is contained within the body of a generator function.
- *
- * @param node The node to visit.
- */
- function visitVariableStatement(node) {
- if (node.transformFlags & 262144 /* ContainsYield */) {
- transformAndEmitVariableDeclarationList(node.declarationList);
- return undefined;
- }
- else {
- // Do not hoist custom prologues.
- if (ts.getEmitFlags(node) & 1048576 /* CustomPrologue */) {
- return node;
- }
- for (var _i = 0, _a = node.declarationList.declarations; _i < _a.length; _i++) {
- var variable = _a[_i];
- hoistVariableDeclaration(variable.name);
- }
- var variables = ts.getInitializedVariables(node.declarationList);
- if (variables.length === 0) {
- return undefined;
- }
- return ts.setSourceMapRange(ts.createExpressionStatement(ts.inlineExpressions(ts.map(variables, transformInitializedVariable))), node);
- }
- }
- /**
- * Visits a binary expression.
- *
- * This will be called when one of the following conditions are met:
- * - The node contains a YieldExpression.
- *
- * @param node The node to visit.
- */
- function visitBinaryExpression(node) {
- var assoc = ts.getExpressionAssociativity(node);
- switch (assoc) {
- case 0 /* Left */:
- return visitLeftAssociativeBinaryExpression(node);
- case 1 /* Right */:
- return visitRightAssociativeBinaryExpression(node);
- default:
- return ts.Debug.assertNever(assoc);
- }
- }
- /**
- * Visits a right-associative binary expression containing `yield`.
- *
- * @param node The node to visit.
- */
- function visitRightAssociativeBinaryExpression(node) {
- var left = node.left, right = node.right;
- if (containsYield(right)) {
- var target = void 0;
- switch (left.kind) {
- case 194 /* PropertyAccessExpression */:
- // [source]
- // a.b = yield;
- //
- // [intermediate]
- // .local _a
- // _a = a;
- // .yield resumeLabel
- // .mark resumeLabel
- // _a.b = %sent%;
- target = ts.updatePropertyAccess(left, cacheExpression(ts.visitNode(left.expression, visitor, ts.isLeftHandSideExpression)), left.name);
- break;
- case 195 /* ElementAccessExpression */:
- // [source]
- // a[b] = yield;
- //
- // [intermediate]
- // .local _a, _b
- // _a = a;
- // _b = b;
- // .yield resumeLabel
- // .mark resumeLabel
- // _a[_b] = %sent%;
- target = ts.updateElementAccess(left, cacheExpression(ts.visitNode(left.expression, visitor, ts.isLeftHandSideExpression)), cacheExpression(ts.visitNode(left.argumentExpression, visitor, ts.isExpression)));
- break;
- default:
- target = ts.visitNode(left, visitor, ts.isExpression);
- break;
- }
- var operator = node.operatorToken.kind;
- if (ts.isCompoundAssignment(operator)) {
- return ts.setTextRange(ts.createAssignment(target, ts.setTextRange(ts.createBinary(cacheExpression(target), ts.getNonAssignmentOperatorForCompoundAssignment(operator), ts.visitNode(right, visitor, ts.isExpression)), node)), node);
- }
- else {
- return ts.updateBinary(node, target, ts.visitNode(right, visitor, ts.isExpression));
- }
- }
- return ts.visitEachChild(node, visitor, context);
- }
- function visitLeftAssociativeBinaryExpression(node) {
- if (containsYield(node.right)) {
- if (ts.isLogicalOperator(node.operatorToken.kind)) {
- return visitLogicalBinaryExpression(node);
- }
- else if (node.operatorToken.kind === 27 /* CommaToken */) {
- return visitCommaExpression(node);
- }
- // [source]
- // a() + (yield) + c()
- //
- // [intermediate]
- // .local _a
- // _a = a();
- // .yield resumeLabel
- // _a + %sent% + c()
- var clone_6 = ts.getMutableClone(node);
- clone_6.left = cacheExpression(ts.visitNode(node.left, visitor, ts.isExpression));
- clone_6.right = ts.visitNode(node.right, visitor, ts.isExpression);
- return clone_6;
- }
- return ts.visitEachChild(node, visitor, context);
- }
- /**
- * Visits a logical binary expression containing `yield`.
- *
- * @param node A node to visit.
- */
- function visitLogicalBinaryExpression(node) {
- // Logical binary expressions (`&&` and `||`) are shortcutting expressions and need
- // to be transformed as such:
- //
- // [source]
- // x = a() && yield;
- //
- // [intermediate]
- // .local _a
- // _a = a();
- // .brfalse resultLabel, (_a)
- // .yield resumeLabel
- // .mark resumeLabel
- // _a = %sent%;
- // .mark resultLabel
- // x = _a;
- //
- // [source]
- // x = a() || yield;
- //
- // [intermediate]
- // .local _a
- // _a = a();
- // .brtrue resultLabel, (_a)
- // .yield resumeLabel
- // .mark resumeLabel
- // _a = %sent%;
- // .mark resultLabel
- // x = _a;
- var resultLabel = defineLabel();
- var resultLocal = declareLocal();
- emitAssignment(resultLocal, ts.visitNode(node.left, visitor, ts.isExpression), /*location*/ node.left);
- if (node.operatorToken.kind === 55 /* AmpersandAmpersandToken */) {
- // Logical `&&` shortcuts when the left-hand operand is falsey.
- emitBreakWhenFalse(resultLabel, resultLocal, /*location*/ node.left);
- }
- else {
- // Logical `||` shortcuts when the left-hand operand is truthy.
- emitBreakWhenTrue(resultLabel, resultLocal, /*location*/ node.left);
- }
- emitAssignment(resultLocal, ts.visitNode(node.right, visitor, ts.isExpression), /*location*/ node.right);
- markLabel(resultLabel);
- return resultLocal;
- }
- /**
- * Visits a comma expression containing `yield`.
- *
- * @param node The node to visit.
- */
- function visitCommaExpression(node) {
- // [source]
- // x = a(), yield, b();
- //
- // [intermediate]
- // a();
- // .yield resumeLabel
- // .mark resumeLabel
- // x = %sent%, b();
- var pendingExpressions = [];
- visit(node.left);
- visit(node.right);
- return ts.inlineExpressions(pendingExpressions);
- function visit(node) {
- if (ts.isBinaryExpression(node) && node.operatorToken.kind === 27 /* CommaToken */) {
- visit(node.left);
- visit(node.right);
- }
- else {
- if (containsYield(node) && pendingExpressions.length > 0) {
- emitWorker(1 /* Statement */, [ts.createExpressionStatement(ts.inlineExpressions(pendingExpressions))]);
- pendingExpressions = [];
- }
- pendingExpressions.push(ts.visitNode(node, visitor, ts.isExpression));
- }
- }
- }
- /**
- * Visits a conditional expression containing `yield`.
- *
- * @param node The node to visit.
- */
- function visitConditionalExpression(node) {
- // [source]
- // x = a() ? yield : b();
- //
- // [intermediate]
- // .local _a
- // .brfalse whenFalseLabel, (a())
- // .yield resumeLabel
- // .mark resumeLabel
- // _a = %sent%;
- // .br resultLabel
- // .mark whenFalseLabel
- // _a = b();
- // .mark resultLabel
- // x = _a;
- // We only need to perform a specific transformation if a `yield` expression exists
- // in either the `whenTrue` or `whenFalse` branches.
- // A `yield` in the condition will be handled by the normal visitor.
- if (containsYield(node.whenTrue) || containsYield(node.whenFalse)) {
- var whenFalseLabel = defineLabel();
- var resultLabel = defineLabel();
- var resultLocal = declareLocal();
- emitBreakWhenFalse(whenFalseLabel, ts.visitNode(node.condition, visitor, ts.isExpression), /*location*/ node.condition);
- emitAssignment(resultLocal, ts.visitNode(node.whenTrue, visitor, ts.isExpression), /*location*/ node.whenTrue);
- emitBreak(resultLabel);
- markLabel(whenFalseLabel);
- emitAssignment(resultLocal, ts.visitNode(node.whenFalse, visitor, ts.isExpression), /*location*/ node.whenFalse);
- markLabel(resultLabel);
- return resultLocal;
- }
- return ts.visitEachChild(node, visitor, context);
- }
- /**
- * Visits a `yield` expression.
- *
- * @param node The node to visit.
- */
- function visitYieldExpression(node) {
- // [source]
- // x = yield a();
- //
- // [intermediate]
- // .yield resumeLabel, (a())
- // .mark resumeLabel
- // x = %sent%;
- var resumeLabel = defineLabel();
- var expression = ts.visitNode(node.expression, visitor, ts.isExpression);
- if (node.asteriskToken) {
- var iterator = (ts.getEmitFlags(node.expression) & 8388608 /* Iterator */) === 0
- ? ts.createValuesHelper(context, expression, /*location*/ node)
- : expression;
- emitYieldStar(iterator, /*location*/ node);
- }
- else {
- emitYield(expression, /*location*/ node);
- }
- markLabel(resumeLabel);
- return createGeneratorResume(/*location*/ node);
- }
- /**
- * Visits an ArrayLiteralExpression that contains a YieldExpression.
- *
- * @param node The node to visit.
- */
- function visitArrayLiteralExpression(node) {
- return visitElements(node.elements, /*leadingElement*/ undefined, /*location*/ undefined, node.multiLine);
- }
- /**
- * Visits an array of expressions containing one or more YieldExpression nodes
- * and returns an expression for the resulting value.
- *
- * @param elements The elements to visit.
- * @param multiLine Whether array literals created should be emitted on multiple lines.
- */
- function visitElements(elements, leadingElement, location, multiLine) {
- // [source]
- // ar = [1, yield, 2];
- //
- // [intermediate]
- // .local _a
- // _a = [1];
- // .yield resumeLabel
- // .mark resumeLabel
- // ar = _a.concat([%sent%, 2]);
- var numInitialElements = countInitialNodesWithoutYield(elements);
- var temp;
- if (numInitialElements > 0) {
- temp = declareLocal();
- var initialElements = ts.visitNodes(elements, visitor, ts.isExpression, 0, numInitialElements);
- emitAssignment(temp, ts.createArrayLiteral(leadingElement
- ? __spreadArrays([leadingElement], initialElements) : initialElements));
- leadingElement = undefined;
- }
- var expressions = ts.reduceLeft(elements, reduceElement, [], numInitialElements);
- return temp
- ? ts.createArrayConcat(temp, [ts.createArrayLiteral(expressions, multiLine)])
- : ts.setTextRange(ts.createArrayLiteral(leadingElement ? __spreadArrays([leadingElement], expressions) : expressions, multiLine), location);
- function reduceElement(expressions, element) {
- if (containsYield(element) && expressions.length > 0) {
- var hasAssignedTemp = temp !== undefined;
- if (!temp) {
- temp = declareLocal();
- }
- emitAssignment(temp, hasAssignedTemp
- ? ts.createArrayConcat(temp, [ts.createArrayLiteral(expressions, multiLine)])
- : ts.createArrayLiteral(leadingElement ? __spreadArrays([leadingElement], expressions) : expressions, multiLine));
- leadingElement = undefined;
- expressions = [];
- }
- expressions.push(ts.visitNode(element, visitor, ts.isExpression));
- return expressions;
- }
- }
- function visitObjectLiteralExpression(node) {
- // [source]
- // o = {
- // a: 1,
- // b: yield,
- // c: 2
- // };
- //
- // [intermediate]
- // .local _a
- // _a = {
- // a: 1
- // };
- // .yield resumeLabel
- // .mark resumeLabel
- // o = (_a.b = %sent%,
- // _a.c = 2,
- // _a);
- var properties = node.properties;
- var multiLine = node.multiLine;
- var numInitialProperties = countInitialNodesWithoutYield(properties);
- var temp = declareLocal();
- emitAssignment(temp, ts.createObjectLiteral(ts.visitNodes(properties, visitor, ts.isObjectLiteralElementLike, 0, numInitialProperties), multiLine));
- var expressions = ts.reduceLeft(properties, reduceProperty, [], numInitialProperties);
- expressions.push(multiLine ? ts.startOnNewLine(ts.getMutableClone(temp)) : temp);
- return ts.inlineExpressions(expressions);
- function reduceProperty(expressions, property) {
- if (containsYield(property) && expressions.length > 0) {
- emitStatement(ts.createExpressionStatement(ts.inlineExpressions(expressions)));
- expressions = [];
- }
- var expression = ts.createExpressionForObjectLiteralElementLike(node, property, temp);
- var visited = ts.visitNode(expression, visitor, ts.isExpression);
- if (visited) {
- if (multiLine) {
- ts.startOnNewLine(visited);
- }
- expressions.push(visited);
- }
- return expressions;
- }
- }
- /**
- * Visits an ElementAccessExpression that contains a YieldExpression.
- *
- * @param node The node to visit.
- */
- function visitElementAccessExpression(node) {
- if (containsYield(node.argumentExpression)) {
- // [source]
- // a = x[yield];
- //
- // [intermediate]
- // .local _a
- // _a = x;
- // .yield resumeLabel
- // .mark resumeLabel
- // a = _a[%sent%]
- var clone_7 = ts.getMutableClone(node);
- clone_7.expression = cacheExpression(ts.visitNode(node.expression, visitor, ts.isLeftHandSideExpression));
- clone_7.argumentExpression = ts.visitNode(node.argumentExpression, visitor, ts.isExpression);
- return clone_7;
- }
- return ts.visitEachChild(node, visitor, context);
- }
- function visitCallExpression(node) {
- if (!ts.isImportCall(node) && ts.forEach(node.arguments, containsYield)) {
- // [source]
- // a.b(1, yield, 2);
- //
- // [intermediate]
- // .local _a, _b, _c
- // _b = (_a = a).b;
- // _c = [1];
- // .yield resumeLabel
- // .mark resumeLabel
- // _b.apply(_a, _c.concat([%sent%, 2]));
- var _a = ts.createCallBinding(node.expression, hoistVariableDeclaration, languageVersion, /*cacheIdentifiers*/ true), target = _a.target, thisArg = _a.thisArg;
- return ts.setOriginalNode(ts.createFunctionApply(cacheExpression(ts.visitNode(target, visitor, ts.isLeftHandSideExpression)), thisArg, visitElements(node.arguments),
- /*location*/ node), node);
- }
- return ts.visitEachChild(node, visitor, context);
- }
- function visitNewExpression(node) {
- if (ts.forEach(node.arguments, containsYield)) {
- // [source]
- // new a.b(1, yield, 2);
- //
- // [intermediate]
- // .local _a, _b, _c
- // _b = (_a = a.b).bind;
- // _c = [1];
- // .yield resumeLabel
- // .mark resumeLabel
- // new (_b.apply(_a, _c.concat([%sent%, 2])));
- var _a = ts.createCallBinding(ts.createPropertyAccess(node.expression, "bind"), hoistVariableDeclaration), target = _a.target, thisArg = _a.thisArg;
- return ts.setOriginalNode(ts.setTextRange(ts.createNew(ts.createFunctionApply(cacheExpression(ts.visitNode(target, visitor, ts.isExpression)), thisArg, visitElements(node.arguments,
- /*leadingElement*/ ts.createVoidZero())),
- /*typeArguments*/ undefined, []), node), node);
- }
- return ts.visitEachChild(node, visitor, context);
- }
- function transformAndEmitStatements(statements, start) {
- if (start === void 0) { start = 0; }
- var numStatements = statements.length;
- for (var i = start; i < numStatements; i++) {
- transformAndEmitStatement(statements[i]);
- }
- }
- function transformAndEmitEmbeddedStatement(node) {
- if (ts.isBlock(node)) {
- transformAndEmitStatements(node.statements);
- }
- else {
- transformAndEmitStatement(node);
- }
- }
- function transformAndEmitStatement(node) {
- var savedInStatementContainingYield = inStatementContainingYield;
- if (!inStatementContainingYield) {
- inStatementContainingYield = containsYield(node);
- }
- transformAndEmitStatementWorker(node);
- inStatementContainingYield = savedInStatementContainingYield;
- }
- function transformAndEmitStatementWorker(node) {
- switch (node.kind) {
- case 223 /* Block */:
- return transformAndEmitBlock(node);
- case 226 /* ExpressionStatement */:
- return transformAndEmitExpressionStatement(node);
- case 227 /* IfStatement */:
- return transformAndEmitIfStatement(node);
- case 228 /* DoStatement */:
- return transformAndEmitDoStatement(node);
- case 229 /* WhileStatement */:
- return transformAndEmitWhileStatement(node);
- case 230 /* ForStatement */:
- return transformAndEmitForStatement(node);
- case 231 /* ForInStatement */:
- return transformAndEmitForInStatement(node);
- case 233 /* ContinueStatement */:
- return transformAndEmitContinueStatement(node);
- case 234 /* BreakStatement */:
- return transformAndEmitBreakStatement(node);
- case 235 /* ReturnStatement */:
- return transformAndEmitReturnStatement(node);
- case 236 /* WithStatement */:
- return transformAndEmitWithStatement(node);
- case 237 /* SwitchStatement */:
- return transformAndEmitSwitchStatement(node);
- case 238 /* LabeledStatement */:
- return transformAndEmitLabeledStatement(node);
- case 239 /* ThrowStatement */:
- return transformAndEmitThrowStatement(node);
- case 240 /* TryStatement */:
- return transformAndEmitTryStatement(node);
- default:
- return emitStatement(ts.visitNode(node, visitor, ts.isStatement));
- }
- }
- function transformAndEmitBlock(node) {
- if (containsYield(node)) {
- transformAndEmitStatements(node.statements);
- }
- else {
- emitStatement(ts.visitNode(node, visitor, ts.isStatement));
- }
- }
- function transformAndEmitExpressionStatement(node) {
- emitStatement(ts.visitNode(node, visitor, ts.isStatement));
- }
- function transformAndEmitVariableDeclarationList(node) {
- for (var _i = 0, _a = node.declarations; _i < _a.length; _i++) {
- var variable = _a[_i];
- var name = ts.getSynthesizedClone(variable.name);
- ts.setCommentRange(name, variable.name);
- hoistVariableDeclaration(name);
- }
- var variables = ts.getInitializedVariables(node);
- var numVariables = variables.length;
- var variablesWritten = 0;
- var pendingExpressions = [];
- while (variablesWritten < numVariables) {
- for (var i = variablesWritten; i < numVariables; i++) {
- var variable = variables[i];
- if (containsYield(variable.initializer) && pendingExpressions.length > 0) {
- break;
- }
- pendingExpressions.push(transformInitializedVariable(variable));
- }
- if (pendingExpressions.length) {
- emitStatement(ts.createExpressionStatement(ts.inlineExpressions(pendingExpressions)));
- variablesWritten += pendingExpressions.length;
- pendingExpressions = [];
- }
- }
- return undefined;
- }
- function transformInitializedVariable(node) {
- return ts.setSourceMapRange(ts.createAssignment(ts.setSourceMapRange(ts.getSynthesizedClone(node.name), node.name), ts.visitNode(node.initializer, visitor, ts.isExpression)), node);
- }
- function transformAndEmitIfStatement(node) {
- if (containsYield(node)) {
- // [source]
- // if (x)
- // /*thenStatement*/
- // else
- // /*elseStatement*/
- //
- // [intermediate]
- // .brfalse elseLabel, (x)
- // /*thenStatement*/
- // .br endLabel
- // .mark elseLabel
- // /*elseStatement*/
- // .mark endLabel
- if (containsYield(node.thenStatement) || containsYield(node.elseStatement)) {
- var endLabel = defineLabel();
- var elseLabel = node.elseStatement ? defineLabel() : undefined;
- emitBreakWhenFalse(node.elseStatement ? elseLabel : endLabel, ts.visitNode(node.expression, visitor, ts.isExpression), /*location*/ node.expression);
- transformAndEmitEmbeddedStatement(node.thenStatement);
- if (node.elseStatement) {
- emitBreak(endLabel);
- markLabel(elseLabel);
- transformAndEmitEmbeddedStatement(node.elseStatement);
- }
- markLabel(endLabel);
- }
- else {
- emitStatement(ts.visitNode(node, visitor, ts.isStatement));
- }
- }
- else {
- emitStatement(ts.visitNode(node, visitor, ts.isStatement));
- }
- }
- function transformAndEmitDoStatement(node) {
- if (containsYield(node)) {
- // [source]
- // do {
- // /*body*/
- // }
- // while (i < 10);
- //
- // [intermediate]
- // .loop conditionLabel, endLabel
- // .mark loopLabel
- // /*body*/
- // .mark conditionLabel
- // .brtrue loopLabel, (i < 10)
- // .endloop
- // .mark endLabel
- var conditionLabel = defineLabel();
- var loopLabel = defineLabel();
- beginLoopBlock(/*continueLabel*/ conditionLabel);
- markLabel(loopLabel);
- transformAndEmitEmbeddedStatement(node.statement);
- markLabel(conditionLabel);
- emitBreakWhenTrue(loopLabel, ts.visitNode(node.expression, visitor, ts.isExpression));
- endLoopBlock();
- }
- else {
- emitStatement(ts.visitNode(node, visitor, ts.isStatement));
- }
- }
- function visitDoStatement(node) {
- if (inStatementContainingYield) {
- beginScriptLoopBlock();
- node = ts.visitEachChild(node, visitor, context);
- endLoopBlock();
- return node;
- }
- else {
- return ts.visitEachChild(node, visitor, context);
- }
- }
- function transformAndEmitWhileStatement(node) {
- if (containsYield(node)) {
- // [source]
- // while (i < 10) {
- // /*body*/
- // }
- //
- // [intermediate]
- // .loop loopLabel, endLabel
- // .mark loopLabel
- // .brfalse endLabel, (i < 10)
- // /*body*/
- // .br loopLabel
- // .endloop
- // .mark endLabel
- var loopLabel = defineLabel();
- var endLabel = beginLoopBlock(loopLabel);
- markLabel(loopLabel);
- emitBreakWhenFalse(endLabel, ts.visitNode(node.expression, visitor, ts.isExpression));
- transformAndEmitEmbeddedStatement(node.statement);
- emitBreak(loopLabel);
- endLoopBlock();
- }
- else {
- emitStatement(ts.visitNode(node, visitor, ts.isStatement));
- }
- }
- function visitWhileStatement(node) {
- if (inStatementContainingYield) {
- beginScriptLoopBlock();
- node = ts.visitEachChild(node, visitor, context);
- endLoopBlock();
- return node;
- }
- else {
- return ts.visitEachChild(node, visitor, context);
- }
- }
- function transformAndEmitForStatement(node) {
- if (containsYield(node)) {
- // [source]
- // for (var i = 0; i < 10; i++) {
- // /*body*/
- // }
- //
- // [intermediate]
- // .local i
- // i = 0;
- // .loop incrementLabel, endLoopLabel
- // .mark conditionLabel
- // .brfalse endLoopLabel, (i < 10)
- // /*body*/
- // .mark incrementLabel
- // i++;
- // .br conditionLabel
- // .endloop
- // .mark endLoopLabel
- var conditionLabel = defineLabel();
- var incrementLabel = defineLabel();
- var endLabel = beginLoopBlock(incrementLabel);
- if (node.initializer) {
- var initializer = node.initializer;
- if (ts.isVariableDeclarationList(initializer)) {
- transformAndEmitVariableDeclarationList(initializer);
- }
- else {
- emitStatement(ts.setTextRange(ts.createExpressionStatement(ts.visitNode(initializer, visitor, ts.isExpression)), initializer));
- }
- }
- markLabel(conditionLabel);
- if (node.condition) {
- emitBreakWhenFalse(endLabel, ts.visitNode(node.condition, visitor, ts.isExpression));
- }
- transformAndEmitEmbeddedStatement(node.statement);
- markLabel(incrementLabel);
- if (node.incrementor) {
- emitStatement(ts.setTextRange(ts.createExpressionStatement(ts.visitNode(node.incrementor, visitor, ts.isExpression)), node.incrementor));
- }
- emitBreak(conditionLabel);
- endLoopBlock();
- }
- else {
- emitStatement(ts.visitNode(node, visitor, ts.isStatement));
- }
- }
- function visitForStatement(node) {
- if (inStatementContainingYield) {
- beginScriptLoopBlock();
- }
- var initializer = node.initializer;
- if (initializer && ts.isVariableDeclarationList(initializer)) {
- for (var _i = 0, _a = initializer.declarations; _i < _a.length; _i++) {
- var variable = _a[_i];
- hoistVariableDeclaration(variable.name);
- }
- var variables = ts.getInitializedVariables(initializer);
- node = ts.updateFor(node, variables.length > 0
- ? ts.inlineExpressions(ts.map(variables, transformInitializedVariable))
- : undefined, ts.visitNode(node.condition, visitor, ts.isExpression), ts.visitNode(node.incrementor, visitor, ts.isExpression), ts.visitNode(node.statement, visitor, ts.isStatement, ts.liftToBlock));
- }
- else {
- node = ts.visitEachChild(node, visitor, context);
- }
- if (inStatementContainingYield) {
- endLoopBlock();
- }
- return node;
- }
- function transformAndEmitForInStatement(node) {
- // TODO(rbuckton): Source map locations
- if (containsYield(node)) {
- // [source]
- // for (var p in o) {
- // /*body*/
- // }
- //
- // [intermediate]
- // .local _a, _b, _i
- // _a = [];
- // for (_b in o) _a.push(_b);
- // _i = 0;
- // .loop incrementLabel, endLoopLabel
- // .mark conditionLabel
- // .brfalse endLoopLabel, (_i < _a.length)
- // p = _a[_i];
- // /*body*/
- // .mark incrementLabel
- // _b++;
- // .br conditionLabel
- // .endloop
- // .mark endLoopLabel
- var keysArray = declareLocal(); // _a
- var key = declareLocal(); // _b
- var keysIndex = ts.createLoopVariable(); // _i
- var initializer = node.initializer;
- hoistVariableDeclaration(keysIndex);
- emitAssignment(keysArray, ts.createArrayLiteral());
- emitStatement(ts.createForIn(key, ts.visitNode(node.expression, visitor, ts.isExpression), ts.createExpressionStatement(ts.createCall(ts.createPropertyAccess(keysArray, "push"),
- /*typeArguments*/ undefined, [key]))));
- emitAssignment(keysIndex, ts.createLiteral(0));
- var conditionLabel = defineLabel();
- var incrementLabel = defineLabel();
- var endLabel = beginLoopBlock(incrementLabel);
- markLabel(conditionLabel);
- emitBreakWhenFalse(endLabel, ts.createLessThan(keysIndex, ts.createPropertyAccess(keysArray, "length")));
- var variable = void 0;
- if (ts.isVariableDeclarationList(initializer)) {
- for (var _i = 0, _a = initializer.declarations; _i < _a.length; _i++) {
- var variable_1 = _a[_i];
- hoistVariableDeclaration(variable_1.name);
- }
- variable = ts.getSynthesizedClone(initializer.declarations[0].name);
- }
- else {
- variable = ts.visitNode(initializer, visitor, ts.isExpression);
- ts.Debug.assert(ts.isLeftHandSideExpression(variable));
- }
- emitAssignment(variable, ts.createElementAccess(keysArray, keysIndex));
- transformAndEmitEmbeddedStatement(node.statement);
- markLabel(incrementLabel);
- emitStatement(ts.createExpressionStatement(ts.createPostfixIncrement(keysIndex)));
- emitBreak(conditionLabel);
- endLoopBlock();
- }
- else {
- emitStatement(ts.visitNode(node, visitor, ts.isStatement));
- }
- }
- function visitForInStatement(node) {
- // [source]
- // for (var x in a) {
- // /*body*/
- // }
- //
- // [intermediate]
- // .local x
- // .loop
- // for (x in a) {
- // /*body*/
- // }
- // .endloop
- if (inStatementContainingYield) {
- beginScriptLoopBlock();
- }
- var initializer = node.initializer;
- if (ts.isVariableDeclarationList(initializer)) {
- for (var _i = 0, _a = initializer.declarations; _i < _a.length; _i++) {
- var variable = _a[_i];
- hoistVariableDeclaration(variable.name);
- }
- node = ts.updateForIn(node, initializer.declarations[0].name, ts.visitNode(node.expression, visitor, ts.isExpression), ts.visitNode(node.statement, visitor, ts.isStatement, ts.liftToBlock));
- }
- else {
- node = ts.visitEachChild(node, visitor, context);
- }
- if (inStatementContainingYield) {
- endLoopBlock();
- }
- return node;
- }
- function transformAndEmitContinueStatement(node) {
- var label = findContinueTarget(node.label ? ts.idText(node.label) : undefined);
- if (label > 0) {
- emitBreak(label, /*location*/ node);
- }
- else {
- // invalid continue without a containing loop. Leave the node as is, per #17875.
- emitStatement(node);
- }
- }
- function visitContinueStatement(node) {
- if (inStatementContainingYield) {
- var label = findContinueTarget(node.label && ts.idText(node.label));
- if (label > 0) {
- return createInlineBreak(label, /*location*/ node);
- }
- }
- return ts.visitEachChild(node, visitor, context);
- }
- function transformAndEmitBreakStatement(node) {
- var label = findBreakTarget(node.label ? ts.idText(node.label) : undefined);
- if (label > 0) {
- emitBreak(label, /*location*/ node);
- }
- else {
- // invalid break without a containing loop, switch, or labeled statement. Leave the node as is, per #17875.
- emitStatement(node);
- }
- }
- function visitBreakStatement(node) {
- if (inStatementContainingYield) {
- var label = findBreakTarget(node.label && ts.idText(node.label));
- if (label > 0) {
- return createInlineBreak(label, /*location*/ node);
- }
- }
- return ts.visitEachChild(node, visitor, context);
- }
- function transformAndEmitReturnStatement(node) {
- emitReturn(ts.visitNode(node.expression, visitor, ts.isExpression),
- /*location*/ node);
- }
- function visitReturnStatement(node) {
- return createInlineReturn(ts.visitNode(node.expression, visitor, ts.isExpression),
- /*location*/ node);
- }
- function transformAndEmitWithStatement(node) {
- if (containsYield(node)) {
- // [source]
- // with (x) {
- // /*body*/
- // }
- //
- // [intermediate]
- // .with (x)
- // /*body*/
- // .endwith
- beginWithBlock(cacheExpression(ts.visitNode(node.expression, visitor, ts.isExpression)));
- transformAndEmitEmbeddedStatement(node.statement);
- endWithBlock();
- }
- else {
- emitStatement(ts.visitNode(node, visitor, ts.isStatement));
- }
- }
- function transformAndEmitSwitchStatement(node) {
- if (containsYield(node.caseBlock)) {
- // [source]
- // switch (x) {
- // case a:
- // /*caseStatements*/
- // case b:
- // /*caseStatements*/
- // default:
- // /*defaultStatements*/
- // }
- //
- // [intermediate]
- // .local _a
- // .switch endLabel
- // _a = x;
- // switch (_a) {
- // case a:
- // .br clauseLabels[0]
- // }
- // switch (_a) {
- // case b:
- // .br clauseLabels[1]
- // }
- // .br clauseLabels[2]
- // .mark clauseLabels[0]
- // /*caseStatements*/
- // .mark clauseLabels[1]
- // /*caseStatements*/
- // .mark clauseLabels[2]
- // /*caseStatements*/
- // .endswitch
- // .mark endLabel
- var caseBlock = node.caseBlock;
- var numClauses = caseBlock.clauses.length;
- var endLabel = beginSwitchBlock();
- var expression = cacheExpression(ts.visitNode(node.expression, visitor, ts.isExpression));
- // Create labels for each clause and find the index of the first default clause.
- var clauseLabels = [];
- var defaultClauseIndex = -1;
- for (var i = 0; i < numClauses; i++) {
- var clause = caseBlock.clauses[i];
- clauseLabels.push(defineLabel());
- if (clause.kind === 278 /* DefaultClause */ && defaultClauseIndex === -1) {
- defaultClauseIndex = i;
- }
- }
- // Emit switch statements for each run of case clauses either from the first case
- // clause or the next case clause with a `yield` in its expression, up to the next
- // case clause with a `yield` in its expression.
- var clausesWritten = 0;
- var pendingClauses = [];
- while (clausesWritten < numClauses) {
- var defaultClausesSkipped = 0;
- for (var i = clausesWritten; i < numClauses; i++) {
- var clause = caseBlock.clauses[i];
- if (clause.kind === 277 /* CaseClause */) {
- if (containsYield(clause.expression) && pendingClauses.length > 0) {
- break;
- }
- pendingClauses.push(ts.createCaseClause(ts.visitNode(clause.expression, visitor, ts.isExpression), [
- createInlineBreak(clauseLabels[i], /*location*/ clause.expression)
- ]));
- }
- else {
- defaultClausesSkipped++;
- }
- }
- if (pendingClauses.length) {
- emitStatement(ts.createSwitch(expression, ts.createCaseBlock(pendingClauses)));
- clausesWritten += pendingClauses.length;
- pendingClauses = [];
- }
- if (defaultClausesSkipped > 0) {
- clausesWritten += defaultClausesSkipped;
- defaultClausesSkipped = 0;
- }
- }
- if (defaultClauseIndex >= 0) {
- emitBreak(clauseLabels[defaultClauseIndex]);
- }
- else {
- emitBreak(endLabel);
- }
- for (var i = 0; i < numClauses; i++) {
- markLabel(clauseLabels[i]);
- transformAndEmitStatements(caseBlock.clauses[i].statements);
- }
- endSwitchBlock();
- }
- else {
- emitStatement(ts.visitNode(node, visitor, ts.isStatement));
- }
- }
- function visitSwitchStatement(node) {
- if (inStatementContainingYield) {
- beginScriptSwitchBlock();
- }
- node = ts.visitEachChild(node, visitor, context);
- if (inStatementContainingYield) {
- endSwitchBlock();
- }
- return node;
- }
- function transformAndEmitLabeledStatement(node) {
- if (containsYield(node)) {
- // [source]
- // x: {
- // /*body*/
- // }
- //
- // [intermediate]
- // .labeled "x", endLabel
- // /*body*/
- // .endlabeled
- // .mark endLabel
- beginLabeledBlock(ts.idText(node.label));
- transformAndEmitEmbeddedStatement(node.statement);
- endLabeledBlock();
- }
- else {
- emitStatement(ts.visitNode(node, visitor, ts.isStatement));
- }
- }
- function visitLabeledStatement(node) {
- if (inStatementContainingYield) {
- beginScriptLabeledBlock(ts.idText(node.label));
- }
- node = ts.visitEachChild(node, visitor, context);
- if (inStatementContainingYield) {
- endLabeledBlock();
- }
- return node;
- }
- function transformAndEmitThrowStatement(node) {
- emitThrow(ts.visitNode(node.expression, visitor, ts.isExpression),
- /*location*/ node);
- }
- function transformAndEmitTryStatement(node) {
- if (containsYield(node)) {
- // [source]
- // try {
- // /*tryBlock*/
- // }
- // catch (e) {
- // /*catchBlock*/
- // }
- // finally {
- // /*finallyBlock*/
- // }
- //
- // [intermediate]
- // .local _a
- // .try tryLabel, catchLabel, finallyLabel, endLabel
- // .mark tryLabel
- // .nop
- // /*tryBlock*/
- // .br endLabel
- // .catch
- // .mark catchLabel
- // _a = %error%;
- // /*catchBlock*/
- // .br endLabel
- // .finally
- // .mark finallyLabel
- // /*finallyBlock*/
- // .endfinally
- // .endtry
- // .mark endLabel
- beginExceptionBlock();
- transformAndEmitEmbeddedStatement(node.tryBlock);
- if (node.catchClause) {
- beginCatchBlock(node.catchClause.variableDeclaration); // TODO: GH#18217
- transformAndEmitEmbeddedStatement(node.catchClause.block);
- }
- if (node.finallyBlock) {
- beginFinallyBlock();
- transformAndEmitEmbeddedStatement(node.finallyBlock);
- }
- endExceptionBlock();
- }
- else {
- emitStatement(ts.visitEachChild(node, visitor, context));
- }
- }
- function containsYield(node) {
- return !!node && (node.transformFlags & 262144 /* ContainsYield */) !== 0;
- }
- function countInitialNodesWithoutYield(nodes) {
- var numNodes = nodes.length;
- for (var i = 0; i < numNodes; i++) {
- if (containsYield(nodes[i])) {
- return i;
- }
- }
- return -1;
- }
- function onSubstituteNode(hint, node) {
- node = previousOnSubstituteNode(hint, node);
- if (hint === 1 /* Expression */) {
- return substituteExpression(node);
- }
- return node;
- }
- function substituteExpression(node) {
- if (ts.isIdentifier(node)) {
- return substituteExpressionIdentifier(node);
- }
- return node;
- }
- function substituteExpressionIdentifier(node) {
- if (!ts.isGeneratedIdentifier(node) && renamedCatchVariables && renamedCatchVariables.has(ts.idText(node))) {
- var original = ts.getOriginalNode(node);
- if (ts.isIdentifier(original) && original.parent) {
- var declaration = resolver.getReferencedValueDeclaration(original);
- if (declaration) {
- var name = renamedCatchVariableDeclarations[ts.getOriginalNodeId(declaration)];
- if (name) {
- var clone_8 = ts.getMutableClone(name);
- ts.setSourceMapRange(clone_8, node);
- ts.setCommentRange(clone_8, node);
- return clone_8;
- }
- }
- }
- }
- return node;
- }
- function cacheExpression(node) {
- if (ts.isGeneratedIdentifier(node) || ts.getEmitFlags(node) & 4096 /* HelperName */) {
- return node;
- }
- var temp = ts.createTempVariable(hoistVariableDeclaration);
- emitAssignment(temp, node, /*location*/ node);
- return temp;
- }
- function declareLocal(name) {
- var temp = name
- ? ts.createUniqueName(name)
- : ts.createTempVariable(/*recordTempVariable*/ undefined);
- hoistVariableDeclaration(temp);
- return temp;
- }
- /**
- * Defines a label, uses as the target of a Break operation.
- */
- function defineLabel() {
- if (!labelOffsets) {
- labelOffsets = [];
- }
- var label = nextLabelId;
- nextLabelId++;
- labelOffsets[label] = -1;
- return label;
- }
- /**
- * Marks the current operation with the specified label.
- */
- function markLabel(label) {
- ts.Debug.assert(labelOffsets !== undefined, "No labels were defined.");
- labelOffsets[label] = operations ? operations.length : 0;
- }
- /**
- * Begins a block operation (With, Break/Continue, Try/Catch/Finally)
- *
- * @param block Information about the block.
- */
- function beginBlock(block) {
- if (!blocks) {
- blocks = [];
- blockActions = [];
- blockOffsets = [];
- blockStack = [];
- }
- var index = blockActions.length;
- blockActions[index] = 0 /* Open */;
- blockOffsets[index] = operations ? operations.length : 0;
- blocks[index] = block;
- blockStack.push(block);
- return index;
- }
- /**
- * Ends the current block operation.
- */
- function endBlock() {
- var block = peekBlock();
- if (block === undefined)
- return ts.Debug.fail("beginBlock was never called.");
- var index = blockActions.length;
- blockActions[index] = 1 /* Close */;
- blockOffsets[index] = operations ? operations.length : 0;
- blocks[index] = block;
- blockStack.pop();
- return block;
- }
- /**
- * Gets the current open block.
- */
- function peekBlock() {
- return ts.lastOrUndefined(blockStack);
- }
- /**
- * Gets the kind of the current open block.
- */
- function peekBlockKind() {
- var block = peekBlock();
- return block && block.kind;
- }
- /**
- * Begins a code block for a generated `with` statement.
- *
- * @param expression An identifier representing expression for the `with` block.
- */
- function beginWithBlock(expression) {
- var startLabel = defineLabel();
- var endLabel = defineLabel();
- markLabel(startLabel);
- beginBlock({
- kind: 1 /* With */,
- expression: expression,
- startLabel: startLabel,
- endLabel: endLabel
- });
- }
- /**
- * Ends a code block for a generated `with` statement.
- */
- function endWithBlock() {
- ts.Debug.assert(peekBlockKind() === 1 /* With */);
- var block = endBlock();
- markLabel(block.endLabel);
- }
- /**
- * Begins a code block for a generated `try` statement.
- */
- function beginExceptionBlock() {
- var startLabel = defineLabel();
- var endLabel = defineLabel();
- markLabel(startLabel);
- beginBlock({
- kind: 0 /* Exception */,
- state: 0 /* Try */,
- startLabel: startLabel,
- endLabel: endLabel
- });
- emitNop();
- return endLabel;
- }
- /**
- * Enters the `catch` clause of a generated `try` statement.
- *
- * @param variable The catch variable.
- */
- function beginCatchBlock(variable) {
- ts.Debug.assert(peekBlockKind() === 0 /* Exception */);
- // generated identifiers should already be unique within a file
- var name;
- if (ts.isGeneratedIdentifier(variable.name)) {
- name = variable.name;
- hoistVariableDeclaration(variable.name);
- }
- else {
- var text = ts.idText(variable.name);
- name = declareLocal(text);
- if (!renamedCatchVariables) {
- renamedCatchVariables = ts.createMap();
- renamedCatchVariableDeclarations = [];
- context.enableSubstitution(75 /* Identifier */);
- }
- renamedCatchVariables.set(text, true);
- renamedCatchVariableDeclarations[ts.getOriginalNodeId(variable)] = name;
- }
- var exception = peekBlock();
- ts.Debug.assert(exception.state < 1 /* Catch */);
- var endLabel = exception.endLabel;
- emitBreak(endLabel);
- var catchLabel = defineLabel();
- markLabel(catchLabel);
- exception.state = 1 /* Catch */;
- exception.catchVariable = name;
- exception.catchLabel = catchLabel;
- emitAssignment(name, ts.createCall(ts.createPropertyAccess(state, "sent"), /*typeArguments*/ undefined, []));
- emitNop();
- }
- /**
- * Enters the `finally` block of a generated `try` statement.
- */
- function beginFinallyBlock() {
- ts.Debug.assert(peekBlockKind() === 0 /* Exception */);
- var exception = peekBlock();
- ts.Debug.assert(exception.state < 2 /* Finally */);
- var endLabel = exception.endLabel;
- emitBreak(endLabel);
- var finallyLabel = defineLabel();
- markLabel(finallyLabel);
- exception.state = 2 /* Finally */;
- exception.finallyLabel = finallyLabel;
- }
- /**
- * Ends the code block for a generated `try` statement.
- */
- function endExceptionBlock() {
- ts.Debug.assert(peekBlockKind() === 0 /* Exception */);
- var exception = endBlock();
- var state = exception.state;
- if (state < 2 /* Finally */) {
- emitBreak(exception.endLabel);
- }
- else {
- emitEndfinally();
- }
- markLabel(exception.endLabel);
- emitNop();
- exception.state = 3 /* Done */;
- }
- /**
- * Begins a code block that supports `break` or `continue` statements that are defined in
- * the source tree and not from generated code.
- *
- * @param labelText Names from containing labeled statements.
- */
- function beginScriptLoopBlock() {
- beginBlock({
- kind: 3 /* Loop */,
- isScript: true,
- breakLabel: -1,
- continueLabel: -1
- });
- }
- /**
- * Begins a code block that supports `break` or `continue` statements that are defined in
- * generated code. Returns a label used to mark the operation to which to jump when a
- * `break` statement targets this block.
- *
- * @param continueLabel A Label used to mark the operation to which to jump when a
- * `continue` statement targets this block.
- */
- function beginLoopBlock(continueLabel) {
- var breakLabel = defineLabel();
- beginBlock({
- kind: 3 /* Loop */,
- isScript: false,
- breakLabel: breakLabel,
- continueLabel: continueLabel,
- });
- return breakLabel;
- }
- /**
- * Ends a code block that supports `break` or `continue` statements that are defined in
- * generated code or in the source tree.
- */
- function endLoopBlock() {
- ts.Debug.assert(peekBlockKind() === 3 /* Loop */);
- var block = endBlock();
- var breakLabel = block.breakLabel;
- if (!block.isScript) {
- markLabel(breakLabel);
- }
- }
- /**
- * Begins a code block that supports `break` statements that are defined in the source
- * tree and not from generated code.
- *
- */
- function beginScriptSwitchBlock() {
- beginBlock({
- kind: 2 /* Switch */,
- isScript: true,
- breakLabel: -1
- });
- }
- /**
- * Begins a code block that supports `break` statements that are defined in generated code.
- * Returns a label used to mark the operation to which to jump when a `break` statement
- * targets this block.
- */
- function beginSwitchBlock() {
- var breakLabel = defineLabel();
- beginBlock({
- kind: 2 /* Switch */,
- isScript: false,
- breakLabel: breakLabel,
- });
- return breakLabel;
- }
- /**
- * Ends a code block that supports `break` statements that are defined in generated code.
- */
- function endSwitchBlock() {
- ts.Debug.assert(peekBlockKind() === 2 /* Switch */);
- var block = endBlock();
- var breakLabel = block.breakLabel;
- if (!block.isScript) {
- markLabel(breakLabel);
- }
- }
- function beginScriptLabeledBlock(labelText) {
- beginBlock({
- kind: 4 /* Labeled */,
- isScript: true,
- labelText: labelText,
- breakLabel: -1
- });
- }
- function beginLabeledBlock(labelText) {
- var breakLabel = defineLabel();
- beginBlock({
- kind: 4 /* Labeled */,
- isScript: false,
- labelText: labelText,
- breakLabel: breakLabel
- });
- }
- function endLabeledBlock() {
- ts.Debug.assert(peekBlockKind() === 4 /* Labeled */);
- var block = endBlock();
- if (!block.isScript) {
- markLabel(block.breakLabel);
- }
- }
- /**
- * Indicates whether the provided block supports `break` statements.
- *
- * @param block A code block.
- */
- function supportsUnlabeledBreak(block) {
- return block.kind === 2 /* Switch */
- || block.kind === 3 /* Loop */;
- }
- /**
- * Indicates whether the provided block supports `break` statements with labels.
- *
- * @param block A code block.
- */
- function supportsLabeledBreakOrContinue(block) {
- return block.kind === 4 /* Labeled */;
- }
- /**
- * Indicates whether the provided block supports `continue` statements.
- *
- * @param block A code block.
- */
- function supportsUnlabeledContinue(block) {
- return block.kind === 3 /* Loop */;
- }
- function hasImmediateContainingLabeledBlock(labelText, start) {
- for (var j = start; j >= 0; j--) {
- var containingBlock = blockStack[j];
- if (supportsLabeledBreakOrContinue(containingBlock)) {
- if (containingBlock.labelText === labelText) {
- return true;
- }
- }
- else {
- break;
- }
- }
- return false;
- }
- /**
- * Finds the label that is the target for a `break` statement.
- *
- * @param labelText An optional name of a containing labeled statement.
- */
- function findBreakTarget(labelText) {
- if (blockStack) {
- if (labelText) {
- for (var i = blockStack.length - 1; i >= 0; i--) {
- var block = blockStack[i];
- if (supportsLabeledBreakOrContinue(block) && block.labelText === labelText) {
- return block.breakLabel;
- }
- else if (supportsUnlabeledBreak(block) && hasImmediateContainingLabeledBlock(labelText, i - 1)) {
- return block.breakLabel;
- }
- }
- }
- else {
- for (var i = blockStack.length - 1; i >= 0; i--) {
- var block = blockStack[i];
- if (supportsUnlabeledBreak(block)) {
- return block.breakLabel;
- }
- }
- }
- }
- return 0;
- }
- /**
- * Finds the label that is the target for a `continue` statement.
- *
- * @param labelText An optional name of a containing labeled statement.
- */
- function findContinueTarget(labelText) {
- if (blockStack) {
- if (labelText) {
- for (var i = blockStack.length - 1; i >= 0; i--) {
- var block = blockStack[i];
- if (supportsUnlabeledContinue(block) && hasImmediateContainingLabeledBlock(labelText, i - 1)) {
- return block.continueLabel;
- }
- }
- }
- else {
- for (var i = blockStack.length - 1; i >= 0; i--) {
- var block = blockStack[i];
- if (supportsUnlabeledContinue(block)) {
- return block.continueLabel;
- }
- }
- }
- }
- return 0;
- }
- /**
- * Creates an expression that can be used to indicate the value for a label.
- *
- * @param label A label.
- */
- function createLabel(label) {
- if (label !== undefined && label > 0) {
- if (labelExpressions === undefined) {
- labelExpressions = [];
- }
- var expression = ts.createLiteral(-1);
- if (labelExpressions[label] === undefined) {
- labelExpressions[label] = [expression];
- }
- else {
- labelExpressions[label].push(expression);
- }
- return expression;
- }
- return ts.createOmittedExpression();
- }
- /**
- * Creates a numeric literal for the provided instruction.
- */
- function createInstruction(instruction) {
- var literal = ts.createLiteral(instruction);
- ts.addSyntheticTrailingComment(literal, 3 /* MultiLineCommentTrivia */, getInstructionName(instruction));
- return literal;
- }
- /**
- * Creates a statement that can be used indicate a Break operation to the provided label.
- *
- * @param label A label.
- * @param location An optional source map location for the statement.
- */
- function createInlineBreak(label, location) {
- ts.Debug.assertLessThan(0, label, "Invalid label");
- return ts.setTextRange(ts.createReturn(ts.createArrayLiteral([
- createInstruction(3 /* Break */),
- createLabel(label)
- ])), location);
- }
- /**
- * Creates a statement that can be used indicate a Return operation.
- *
- * @param expression The expression for the return statement.
- * @param location An optional source map location for the statement.
- */
- function createInlineReturn(expression, location) {
- return ts.setTextRange(ts.createReturn(ts.createArrayLiteral(expression
- ? [createInstruction(2 /* Return */), expression]
- : [createInstruction(2 /* Return */)])), location);
- }
- /**
- * Creates an expression that can be used to resume from a Yield operation.
- */
- function createGeneratorResume(location) {
- return ts.setTextRange(ts.createCall(ts.createPropertyAccess(state, "sent"),
- /*typeArguments*/ undefined, []), location);
- }
- /**
- * Emits an empty instruction.
- */
- function emitNop() {
- emitWorker(0 /* Nop */);
- }
- /**
- * Emits a Statement.
- *
- * @param node A statement.
- */
- function emitStatement(node) {
- if (node) {
- emitWorker(1 /* Statement */, [node]);
- }
- else {
- emitNop();
- }
- }
- /**
- * Emits an Assignment operation.
- *
- * @param left The left-hand side of the assignment.
- * @param right The right-hand side of the assignment.
- * @param location An optional source map location for the assignment.
- */
- function emitAssignment(left, right, location) {
- emitWorker(2 /* Assign */, [left, right], location);
- }
- /**
- * Emits a Break operation to the specified label.
- *
- * @param label A label.
- * @param location An optional source map location for the assignment.
- */
- function emitBreak(label, location) {
- emitWorker(3 /* Break */, [label], location);
- }
- /**
- * Emits a Break operation to the specified label when a condition evaluates to a truthy
- * value at runtime.
- *
- * @param label A label.
- * @param condition The condition.
- * @param location An optional source map location for the assignment.
- */
- function emitBreakWhenTrue(label, condition, location) {
- emitWorker(4 /* BreakWhenTrue */, [label, condition], location);
- }
- /**
- * Emits a Break to the specified label when a condition evaluates to a falsey value at
- * runtime.
- *
- * @param label A label.
- * @param condition The condition.
- * @param location An optional source map location for the assignment.
- */
- function emitBreakWhenFalse(label, condition, location) {
- emitWorker(5 /* BreakWhenFalse */, [label, condition], location);
- }
- /**
- * Emits a YieldStar operation for the provided expression.
- *
- * @param expression An optional value for the yield operation.
- * @param location An optional source map location for the assignment.
- */
- function emitYieldStar(expression, location) {
- emitWorker(7 /* YieldStar */, [expression], location);
- }
- /**
- * Emits a Yield operation for the provided expression.
- *
- * @param expression An optional value for the yield operation.
- * @param location An optional source map location for the assignment.
- */
- function emitYield(expression, location) {
- emitWorker(6 /* Yield */, [expression], location);
- }
- /**
- * Emits a Return operation for the provided expression.
- *
- * @param expression An optional value for the operation.
- * @param location An optional source map location for the assignment.
- */
- function emitReturn(expression, location) {
- emitWorker(8 /* Return */, [expression], location);
- }
- /**
- * Emits a Throw operation for the provided expression.
- *
- * @param expression A value for the operation.
- * @param location An optional source map location for the assignment.
- */
- function emitThrow(expression, location) {
- emitWorker(9 /* Throw */, [expression], location);
- }
- /**
- * Emits an Endfinally operation. This is used to handle `finally` block semantics.
- */
- function emitEndfinally() {
- emitWorker(10 /* Endfinally */);
- }
- /**
- * Emits an operation.
- *
- * @param code The OpCode for the operation.
- * @param args The optional arguments for the operation.
- */
- function emitWorker(code, args, location) {
- if (operations === undefined) {
- operations = [];
- operationArguments = [];
- operationLocations = [];
- }
- if (labelOffsets === undefined) {
- // mark entry point
- markLabel(defineLabel());
- }
- var operationIndex = operations.length;
- operations[operationIndex] = code;
- operationArguments[operationIndex] = args;
- operationLocations[operationIndex] = location;
- }
- /**
- * Builds the generator function body.
- */
- function build() {
- blockIndex = 0;
- labelNumber = 0;
- labelNumbers = undefined;
- lastOperationWasAbrupt = false;
- lastOperationWasCompletion = false;
- clauses = undefined;
- statements = undefined;
- exceptionBlockStack = undefined;
- currentExceptionBlock = undefined;
- withBlockStack = undefined;
- var buildResult = buildStatements();
- return createGeneratorHelper(context, ts.setEmitFlags(ts.createFunctionExpression(
- /*modifiers*/ undefined,
- /*asteriskToken*/ undefined,
- /*name*/ undefined,
- /*typeParameters*/ undefined, [ts.createParameter(/*decorators*/ undefined, /*modifiers*/ undefined, /*dotDotDotToken*/ undefined, state)],
- /*type*/ undefined, ts.createBlock(buildResult,
- /*multiLine*/ buildResult.length > 0)), 524288 /* ReuseTempVariableScope */));
- }
- /**
- * Builds the statements for the generator function body.
- */
- function buildStatements() {
- if (operations) {
- for (var operationIndex = 0; operationIndex < operations.length; operationIndex++) {
- writeOperation(operationIndex);
- }
- flushFinalLabel(operations.length);
- }
- else {
- flushFinalLabel(0);
- }
- if (clauses) {
- var labelExpression = ts.createPropertyAccess(state, "label");
- var switchStatement = ts.createSwitch(labelExpression, ts.createCaseBlock(clauses));
- return [ts.startOnNewLine(switchStatement)];
- }
- if (statements) {
- return statements;
- }
- return [];
- }
- /**
- * Flush the current label and advance to a new label.
- */
- function flushLabel() {
- if (!statements) {
- return;
- }
- appendLabel(/*markLabelEnd*/ !lastOperationWasAbrupt);
- lastOperationWasAbrupt = false;
- lastOperationWasCompletion = false;
- labelNumber++;
- }
- /**
- * Flush the final label of the generator function body.
- */
- function flushFinalLabel(operationIndex) {
- if (isFinalLabelReachable(operationIndex)) {
- tryEnterLabel(operationIndex);
- withBlockStack = undefined;
- writeReturn(/*expression*/ undefined, /*operationLocation*/ undefined);
- }
- if (statements && clauses) {
- appendLabel(/*markLabelEnd*/ false);
- }
- updateLabelExpressions();
- }
- /**
- * Tests whether the final label of the generator function body
- * is reachable by user code.
- */
- function isFinalLabelReachable(operationIndex) {
- // if the last operation was *not* a completion (return/throw) then
- // the final label is reachable.
- if (!lastOperationWasCompletion) {
- return true;
- }
- // if there are no labels defined or referenced, then the final label is
- // not reachable.
- if (!labelOffsets || !labelExpressions) {
- return false;
- }
- // if the label for this offset is referenced, then the final label
- // is reachable.
- for (var label = 0; label < labelOffsets.length; label++) {
- if (labelOffsets[label] === operationIndex && labelExpressions[label]) {
- return true;
- }
- }
- return false;
- }
- /**
- * Appends a case clause for the last label and sets the new label.
- *
- * @param markLabelEnd Indicates that the transition between labels was a fall-through
- * from a previous case clause and the change in labels should be
- * reflected on the `state` object.
- */
- function appendLabel(markLabelEnd) {
- if (!clauses) {
- clauses = [];
- }
- if (statements) {
- if (withBlockStack) {
- // The previous label was nested inside one or more `with` blocks, so we
- // surround the statements in generated `with` blocks to create the same environment.
- for (var i = withBlockStack.length - 1; i >= 0; i--) {
- var withBlock = withBlockStack[i];
- statements = [ts.createWith(withBlock.expression, ts.createBlock(statements))];
- }
- }
- if (currentExceptionBlock) {
- // The previous label was nested inside of an exception block, so we must
- // indicate entry into a protected region by pushing the label numbers
- // for each block in the protected region.
- var startLabel = currentExceptionBlock.startLabel, catchLabel = currentExceptionBlock.catchLabel, finallyLabel = currentExceptionBlock.finallyLabel, endLabel = currentExceptionBlock.endLabel;
- statements.unshift(ts.createExpressionStatement(ts.createCall(ts.createPropertyAccess(ts.createPropertyAccess(state, "trys"), "push"),
- /*typeArguments*/ undefined, [
- ts.createArrayLiteral([
- createLabel(startLabel),
- createLabel(catchLabel),
- createLabel(finallyLabel),
- createLabel(endLabel)
- ])
- ])));
- currentExceptionBlock = undefined;
- }
- if (markLabelEnd) {
- // The case clause for the last label falls through to this label, so we
- // add an assignment statement to reflect the change in labels.
- statements.push(ts.createExpressionStatement(ts.createAssignment(ts.createPropertyAccess(state, "label"), ts.createLiteral(labelNumber + 1))));
- }
- }
- clauses.push(ts.createCaseClause(ts.createLiteral(labelNumber), statements || []));
- statements = undefined;
- }
- /**
- * Tries to enter into a new label at the current operation index.
- */
- function tryEnterLabel(operationIndex) {
- if (!labelOffsets) {
- return;
- }
- for (var label = 0; label < labelOffsets.length; label++) {
- if (labelOffsets[label] === operationIndex) {
- flushLabel();
- if (labelNumbers === undefined) {
- labelNumbers = [];
- }
- if (labelNumbers[labelNumber] === undefined) {
- labelNumbers[labelNumber] = [label];
- }
- else {
- labelNumbers[labelNumber].push(label);
- }
- }
- }
- }
- /**
- * Updates literal expressions for labels with actual label numbers.
- */
- function updateLabelExpressions() {
- if (labelExpressions !== undefined && labelNumbers !== undefined) {
- for (var labelNumber_1 = 0; labelNumber_1 < labelNumbers.length; labelNumber_1++) {
- var labels = labelNumbers[labelNumber_1];
- if (labels !== undefined) {
- for (var _i = 0, labels_1 = labels; _i < labels_1.length; _i++) {
- var label = labels_1[_i];
- var expressions = labelExpressions[label];
- if (expressions !== undefined) {
- for (var _a = 0, expressions_1 = expressions; _a < expressions_1.length; _a++) {
- var expression = expressions_1[_a];
- expression.text = String(labelNumber_1);
- }
- }
- }
- }
- }
- }
- }
- /**
- * Tries to enter or leave a code block.
- */
- function tryEnterOrLeaveBlock(operationIndex) {
- if (blocks) {
- for (; blockIndex < blockActions.length && blockOffsets[blockIndex] <= operationIndex; blockIndex++) {
- var block = blocks[blockIndex];
- var blockAction = blockActions[blockIndex];
- switch (block.kind) {
- case 0 /* Exception */:
- if (blockAction === 0 /* Open */) {
- if (!exceptionBlockStack) {
- exceptionBlockStack = [];
- }
- if (!statements) {
- statements = [];
- }
- exceptionBlockStack.push(currentExceptionBlock);
- currentExceptionBlock = block;
- }
- else if (blockAction === 1 /* Close */) {
- currentExceptionBlock = exceptionBlockStack.pop();
- }
- break;
- case 1 /* With */:
- if (blockAction === 0 /* Open */) {
- if (!withBlockStack) {
- withBlockStack = [];
- }
- withBlockStack.push(block);
- }
- else if (blockAction === 1 /* Close */) {
- withBlockStack.pop();
- }
- break;
- // default: do nothing
- }
- }
- }
- }
- /**
- * Writes an operation as a statement to the current label's statement list.
- *
- * @param operation The OpCode of the operation
- */
- function writeOperation(operationIndex) {
- tryEnterLabel(operationIndex);
- tryEnterOrLeaveBlock(operationIndex);
- // early termination, nothing else to process in this label
- if (lastOperationWasAbrupt) {
- return;
- }
- lastOperationWasAbrupt = false;
- lastOperationWasCompletion = false;
- var opcode = operations[operationIndex];
- if (opcode === 0 /* Nop */) {
- return;
- }
- else if (opcode === 10 /* Endfinally */) {
- return writeEndfinally();
- }
- var args = operationArguments[operationIndex];
- if (opcode === 1 /* Statement */) {
- return writeStatement(args[0]);
- }
- var location = operationLocations[operationIndex];
- switch (opcode) {
- case 2 /* Assign */:
- return writeAssign(args[0], args[1], location);
- case 3 /* Break */:
- return writeBreak(args[0], location);
- case 4 /* BreakWhenTrue */:
- return writeBreakWhenTrue(args[0], args[1], location);
- case 5 /* BreakWhenFalse */:
- return writeBreakWhenFalse(args[0], args[1], location);
- case 6 /* Yield */:
- return writeYield(args[0], location);
- case 7 /* YieldStar */:
- return writeYieldStar(args[0], location);
- case 8 /* Return */:
- return writeReturn(args[0], location);
- case 9 /* Throw */:
- return writeThrow(args[0], location);
- }
- }
- /**
- * Writes a statement to the current label's statement list.
- *
- * @param statement A statement to write.
- */
- function writeStatement(statement) {
- if (statement) {
- if (!statements) {
- statements = [statement];
- }
- else {
- statements.push(statement);
- }
- }
- }
- /**
- * Writes an Assign operation to the current label's statement list.
- *
- * @param left The left-hand side of the assignment.
- * @param right The right-hand side of the assignment.
- * @param operationLocation The source map location for the operation.
- */
- function writeAssign(left, right, operationLocation) {
- writeStatement(ts.setTextRange(ts.createExpressionStatement(ts.createAssignment(left, right)), operationLocation));
- }
- /**
- * Writes a Throw operation to the current label's statement list.
- *
- * @param expression The value to throw.
- * @param operationLocation The source map location for the operation.
- */
- function writeThrow(expression, operationLocation) {
- lastOperationWasAbrupt = true;
- lastOperationWasCompletion = true;
- writeStatement(ts.setTextRange(ts.createThrow(expression), operationLocation));
- }
- /**
- * Writes a Return operation to the current label's statement list.
- *
- * @param expression The value to return.
- * @param operationLocation The source map location for the operation.
- */
- function writeReturn(expression, operationLocation) {
- lastOperationWasAbrupt = true;
- lastOperationWasCompletion = true;
- writeStatement(ts.setEmitFlags(ts.setTextRange(ts.createReturn(ts.createArrayLiteral(expression
- ? [createInstruction(2 /* Return */), expression]
- : [createInstruction(2 /* Return */)])), operationLocation), 384 /* NoTokenSourceMaps */));
- }
- /**
- * Writes a Break operation to the current label's statement list.
- *
- * @param label The label for the Break.
- * @param operationLocation The source map location for the operation.
- */
- function writeBreak(label, operationLocation) {
- lastOperationWasAbrupt = true;
- writeStatement(ts.setEmitFlags(ts.setTextRange(ts.createReturn(ts.createArrayLiteral([
- createInstruction(3 /* Break */),
- createLabel(label)
- ])), operationLocation), 384 /* NoTokenSourceMaps */));
- }
- /**
- * Writes a BreakWhenTrue operation to the current label's statement list.
- *
- * @param label The label for the Break.
- * @param condition The condition for the Break.
- * @param operationLocation The source map location for the operation.
- */
- function writeBreakWhenTrue(label, condition, operationLocation) {
- writeStatement(ts.setEmitFlags(ts.createIf(condition, ts.setEmitFlags(ts.setTextRange(ts.createReturn(ts.createArrayLiteral([
- createInstruction(3 /* Break */),
- createLabel(label)
- ])), operationLocation), 384 /* NoTokenSourceMaps */)), 1 /* SingleLine */));
- }
- /**
- * Writes a BreakWhenFalse operation to the current label's statement list.
- *
- * @param label The label for the Break.
- * @param condition The condition for the Break.
- * @param operationLocation The source map location for the operation.
- */
- function writeBreakWhenFalse(label, condition, operationLocation) {
- writeStatement(ts.setEmitFlags(ts.createIf(ts.createLogicalNot(condition), ts.setEmitFlags(ts.setTextRange(ts.createReturn(ts.createArrayLiteral([
- createInstruction(3 /* Break */),
- createLabel(label)
- ])), operationLocation), 384 /* NoTokenSourceMaps */)), 1 /* SingleLine */));
- }
- /**
- * Writes a Yield operation to the current label's statement list.
- *
- * @param expression The expression to yield.
- * @param operationLocation The source map location for the operation.
- */
- function writeYield(expression, operationLocation) {
- lastOperationWasAbrupt = true;
- writeStatement(ts.setEmitFlags(ts.setTextRange(ts.createReturn(ts.createArrayLiteral(expression
- ? [createInstruction(4 /* Yield */), expression]
- : [createInstruction(4 /* Yield */)])), operationLocation), 384 /* NoTokenSourceMaps */));
- }
- /**
- * Writes a YieldStar instruction to the current label's statement list.
- *
- * @param expression The expression to yield.
- * @param operationLocation The source map location for the operation.
- */
- function writeYieldStar(expression, operationLocation) {
- lastOperationWasAbrupt = true;
- writeStatement(ts.setEmitFlags(ts.setTextRange(ts.createReturn(ts.createArrayLiteral([
- createInstruction(5 /* YieldStar */),
- expression
- ])), operationLocation), 384 /* NoTokenSourceMaps */));
- }
- /**
- * Writes an Endfinally instruction to the current label's statement list.
- */
- function writeEndfinally() {
- lastOperationWasAbrupt = true;
- writeStatement(ts.createReturn(ts.createArrayLiteral([
- createInstruction(7 /* Endfinally */)
- ])));
- }
- }
- ts.transformGenerators = transformGenerators;
- function createGeneratorHelper(context, body) {
- context.requestEmitHelper(ts.generatorHelper);
- return ts.createCall(ts.getUnscopedHelperName("__generator"),
- /*typeArguments*/ undefined, [ts.createThis(), body]);
- }
- // The __generator helper is used by down-level transformations to emulate the runtime
- // semantics of an ES2015 generator function. When called, this helper returns an
- // object that implements the Iterator protocol, in that it has `next`, `return`, and
- // `throw` methods that step through the generator when invoked.
- //
- // parameters:
- // @param thisArg The value to use as the `this` binding for the transformed generator body.
- // @param body A function that acts as the transformed generator body.
- //
- // variables:
- // _ Persistent state for the generator that is shared between the helper and the
- // generator body. The state object has the following members:
- // sent() - A method that returns or throws the current completion value.
- // label - The next point at which to resume evaluation of the generator body.
- // trys - A stack of protected regions (try/catch/finally blocks).
- // ops - A stack of pending instructions when inside of a finally block.
- // f A value indicating whether the generator is executing.
- // y An iterator to delegate for a yield*.
- // t A temporary variable that holds one of the following values (note that these
- // cases do not overlap):
- // - The completion value when resuming from a `yield` or `yield*`.
- // - The error value for a catch block.
- // - The current protected region (array of try/catch/finally/end labels).
- // - The verb (`next`, `throw`, or `return` method) to delegate to the expression
- // of a `yield*`.
- // - The result of evaluating the verb delegated to the expression of a `yield*`.
- //
- // functions:
- // verb(n) Creates a bound callback to the `step` function for opcode `n`.
- // step(op) Evaluates opcodes in a generator body until execution is suspended or
- // completed.
- //
- // The __generator helper understands a limited set of instructions:
- // 0: next(value?) - Start or resume the generator with the specified value.
- // 1: throw(error) - Resume the generator with an exception. If the generator is
- // suspended inside of one or more protected regions, evaluates
- // any intervening finally blocks between the current label and
- // the nearest catch block or function boundary. If uncaught, the
- // exception is thrown to the caller.
- // 2: return(value?) - Resume the generator as if with a return. If the generator is
- // suspended inside of one or more protected regions, evaluates any
- // intervening finally blocks.
- // 3: break(label) - Jump to the specified label. If the label is outside of the
- // current protected region, evaluates any intervening finally
- // blocks.
- // 4: yield(value?) - Yield execution to the caller with an optional value. When
- // resumed, the generator will continue at the next label.
- // 5: yield*(value) - Delegates evaluation to the supplied iterator. When
- // delegation completes, the generator will continue at the next
- // label.
- // 6: catch(error) - Handles an exception thrown from within the generator body. If
- // the current label is inside of one or more protected regions,
- // evaluates any intervening finally blocks between the current
- // label and the nearest catch block or function boundary. If
- // uncaught, the exception is thrown to the caller.
- // 7: endfinally - Ends a finally block, resuming the last instruction prior to
- // entering a finally block.
- //
- // For examples of how these are used, see the comments in ./transformers/generators.ts
- ts.generatorHelper = {
- name: "typescript:generator",
- importName: "__generator",
- scoped: false,
- priority: 6,
- text: "\n var __generator = (this && this.__generator) || function (thisArg, body) {\n var _ = { label: 0, sent: function() { if (t[0] & 1) throw t[1]; return t[1]; }, trys: [], ops: [] }, f, y, t, g;\n return g = { next: verb(0), \"throw\": verb(1), \"return\": verb(2) }, typeof Symbol === \"function\" && (g[Symbol.iterator] = function() { return this; }), g;\n function verb(n) { return function (v) { return step([n, v]); }; }\n function step(op) {\n if (f) throw new TypeError(\"Generator is already executing.\");\n while (_) try {\n if (f = 1, y && (t = op[0] & 2 ? y[\"return\"] : op[0] ? y[\"throw\"] || ((t = y[\"return\"]) && t.call(y), 0) : y.next) && !(t = t.call(y, op[1])).done) return t;\n if (y = 0, t) op = [op[0] & 2, t.value];\n switch (op[0]) {\n case 0: case 1: t = op; break;\n case 4: _.label++; return { value: op[1], done: false };\n case 5: _.label++; y = op[1]; op = [0]; continue;\n case 7: op = _.ops.pop(); _.trys.pop(); continue;\n default:\n if (!(t = _.trys, t = t.length > 0 && t[t.length - 1]) && (op[0] === 6 || op[0] === 2)) { _ = 0; continue; }\n if (op[0] === 3 && (!t || (op[1] > t[0] && op[1] < t[3]))) { _.label = op[1]; break; }\n if (op[0] === 6 && _.label < t[1]) { _.label = t[1]; t = op; break; }\n if (t && _.label < t[2]) { _.label = t[2]; _.ops.push(op); break; }\n if (t[2]) _.ops.pop();\n _.trys.pop(); continue;\n }\n op = body.call(thisArg, _);\n } catch (e) { op = [6, e]; y = 0; } finally { f = t = 0; }\n if (op[0] & 5) throw op[1]; return { value: op[0] ? op[1] : void 0, done: true };\n }\n };"
- };
-})(ts || (ts = {}));
-/*@internal*/
-var ts;
-(function (ts) {
- function transformModule(context) {
- function getTransformModuleDelegate(moduleKind) {
- switch (moduleKind) {
- case ts.ModuleKind.AMD: return transformAMDModule;
- case ts.ModuleKind.UMD: return transformUMDModule;
- default: return transformCommonJSModule;
- }
- }
- var startLexicalEnvironment = context.startLexicalEnvironment, endLexicalEnvironment = context.endLexicalEnvironment, hoistVariableDeclaration = context.hoistVariableDeclaration;
- var compilerOptions = context.getCompilerOptions();
- var resolver = context.getEmitResolver();
- var host = context.getEmitHost();
- var languageVersion = ts.getEmitScriptTarget(compilerOptions);
- var moduleKind = ts.getEmitModuleKind(compilerOptions);
- var previousOnSubstituteNode = context.onSubstituteNode;
- var previousOnEmitNode = context.onEmitNode;
- context.onSubstituteNode = onSubstituteNode;
- context.onEmitNode = onEmitNode;
- context.enableSubstitution(75 /* Identifier */); // Substitutes expression identifiers with imported/exported symbols.
- context.enableSubstitution(209 /* BinaryExpression */); // Substitutes assignments to exported symbols.
- context.enableSubstitution(207 /* PrefixUnaryExpression */); // Substitutes updates to exported symbols.
- context.enableSubstitution(208 /* PostfixUnaryExpression */); // Substitutes updates to exported symbols.
- context.enableSubstitution(282 /* ShorthandPropertyAssignment */); // Substitutes shorthand property assignments for imported/exported symbols.
- context.enableEmitNotification(290 /* SourceFile */); // Restore state when substituting nodes in a file.
- var moduleInfoMap = []; // The ExternalModuleInfo for each file.
- var deferredExports = []; // Exports to defer until an EndOfDeclarationMarker is found.
- var currentSourceFile; // The current file.
- var currentModuleInfo; // The ExternalModuleInfo for the current file.
- var noSubstitution; // Set of nodes for which substitution rules should be ignored.
- var needUMDDynamicImportHelper;
- return ts.chainBundle(transformSourceFile);
- /**
- * Transforms the module aspects of a SourceFile.
- *
- * @param node The SourceFile node.
- */
- function transformSourceFile(node) {
- if (node.isDeclarationFile ||
- !(ts.isEffectiveExternalModule(node, compilerOptions) ||
- node.transformFlags & 2097152 /* ContainsDynamicImport */ ||
- (ts.isJsonSourceFile(node) && ts.hasJsonModuleEmitEnabled(compilerOptions) && (compilerOptions.out || compilerOptions.outFile)))) {
- return node;
- }
- currentSourceFile = node;
- currentModuleInfo = ts.collectExternalModuleInfo(node, resolver, compilerOptions);
- moduleInfoMap[ts.getOriginalNodeId(node)] = currentModuleInfo;
- // Perform the transformation.
- var transformModule = getTransformModuleDelegate(moduleKind);
- var updated = transformModule(node);
- currentSourceFile = undefined;
- currentModuleInfo = undefined;
- needUMDDynamicImportHelper = false;
- return ts.aggregateTransformFlags(updated);
- }
- function shouldEmitUnderscoreUnderscoreESModule() {
- if (!currentModuleInfo.exportEquals && ts.isExternalModule(currentSourceFile)) {
- return true;
- }
- return false;
- }
- /**
- * Transforms a SourceFile into a CommonJS module.
- *
- * @param node The SourceFile node.
- */
- function transformCommonJSModule(node) {
- startLexicalEnvironment();
- var statements = [];
- var ensureUseStrict = ts.getStrictOptionValue(compilerOptions, "alwaysStrict") || (!compilerOptions.noImplicitUseStrict && ts.isExternalModule(currentSourceFile));
- var statementOffset = ts.addPrologue(statements, node.statements, ensureUseStrict && !ts.isJsonSourceFile(node), sourceElementVisitor);
- if (shouldEmitUnderscoreUnderscoreESModule()) {
- ts.append(statements, createUnderscoreUnderscoreESModule());
- }
- if (ts.length(currentModuleInfo.exportedNames)) {
- ts.append(statements, ts.createExpressionStatement(ts.reduceLeft(currentModuleInfo.exportedNames, function (prev, nextId) { return ts.createAssignment(ts.createPropertyAccess(ts.createIdentifier("exports"), ts.createIdentifier(ts.idText(nextId))), prev); }, ts.createVoidZero())));
- }
- ts.append(statements, ts.visitNode(currentModuleInfo.externalHelpersImportDeclaration, sourceElementVisitor, ts.isStatement));
- ts.addRange(statements, ts.visitNodes(node.statements, sourceElementVisitor, ts.isStatement, statementOffset));
- addExportEqualsIfNeeded(statements, /*emitAsReturn*/ false);
- ts.insertStatementsAfterStandardPrologue(statements, endLexicalEnvironment());
- var updated = ts.updateSourceFileNode(node, ts.setTextRange(ts.createNodeArray(statements), node.statements));
- ts.addEmitHelpers(updated, context.readEmitHelpers());
- return updated;
- }
- /**
- * Transforms a SourceFile into an AMD module.
- *
- * @param node The SourceFile node.
- */
- function transformAMDModule(node) {
- var define = ts.createIdentifier("define");
- var moduleName = ts.tryGetModuleNameFromFile(node, host, compilerOptions);
- var jsonSourceFile = ts.isJsonSourceFile(node) && node;
- // An AMD define function has the following shape:
- //
- // define(id?, dependencies?, factory);
- //
- // This has the shape of the following:
- //
- // define(name, ["module1", "module2"], function (module1Alias) { ... }
- //
- // The location of the alias in the parameter list in the factory function needs to
- // match the position of the module name in the dependency list.
- //
- // To ensure this is true in cases of modules with no aliases, e.g.:
- //
- // import "module"
- //
- // or
- //
- // /// <amd-dependency path= "a.css" />
- //
- // we need to add modules without alias names to the end of the dependencies list
- var _a = collectAsynchronousDependencies(node, /*includeNonAmdDependencies*/ true), aliasedModuleNames = _a.aliasedModuleNames, unaliasedModuleNames = _a.unaliasedModuleNames, importAliasNames = _a.importAliasNames;
- // Create an updated SourceFile:
- //
- // define(moduleName?, ["module1", "module2"], function ...
- var updated = ts.updateSourceFileNode(node, ts.setTextRange(ts.createNodeArray([
- ts.createExpressionStatement(ts.createCall(define,
- /*typeArguments*/ undefined, __spreadArrays((moduleName ? [moduleName] : []), [
- // Add the dependency array argument:
- //
- // ["require", "exports", module1", "module2", ...]
- ts.createArrayLiteral(jsonSourceFile ? ts.emptyArray : __spreadArrays([
- ts.createLiteral("require"),
- ts.createLiteral("exports")
- ], aliasedModuleNames, unaliasedModuleNames)),
- // Add the module body function argument:
- //
- // function (require, exports, module1, module2) ...
- jsonSourceFile ?
- jsonSourceFile.statements.length ? jsonSourceFile.statements[0].expression : ts.createObjectLiteral() :
- ts.createFunctionExpression(
- /*modifiers*/ undefined,
- /*asteriskToken*/ undefined,
- /*name*/ undefined,
- /*typeParameters*/ undefined, __spreadArrays([
- ts.createParameter(/*decorators*/ undefined, /*modifiers*/ undefined, /*dotDotDotToken*/ undefined, "require"),
- ts.createParameter(/*decorators*/ undefined, /*modifiers*/ undefined, /*dotDotDotToken*/ undefined, "exports")
- ], importAliasNames),
- /*type*/ undefined, transformAsynchronousModuleBody(node))
- ])))
- ]),
- /*location*/ node.statements));
- ts.addEmitHelpers(updated, context.readEmitHelpers());
- return updated;
- }
- /**
- * Transforms a SourceFile into a UMD module.
- *
- * @param node The SourceFile node.
- */
- function transformUMDModule(node) {
- var _a = collectAsynchronousDependencies(node, /*includeNonAmdDependencies*/ false), aliasedModuleNames = _a.aliasedModuleNames, unaliasedModuleNames = _a.unaliasedModuleNames, importAliasNames = _a.importAliasNames;
- var moduleName = ts.tryGetModuleNameFromFile(node, host, compilerOptions);
- var umdHeader = ts.createFunctionExpression(
- /*modifiers*/ undefined,
- /*asteriskToken*/ undefined,
- /*name*/ undefined,
- /*typeParameters*/ undefined, [ts.createParameter(/*decorators*/ undefined, /*modifiers*/ undefined, /*dotDotDotToken*/ undefined, "factory")],
- /*type*/ undefined, ts.setTextRange(ts.createBlock([
- ts.createIf(ts.createLogicalAnd(ts.createTypeCheck(ts.createIdentifier("module"), "object"), ts.createTypeCheck(ts.createPropertyAccess(ts.createIdentifier("module"), "exports"), "object")), ts.createBlock([
- ts.createVariableStatement(
- /*modifiers*/ undefined, [
- ts.createVariableDeclaration("v",
- /*type*/ undefined, ts.createCall(ts.createIdentifier("factory"),
- /*typeArguments*/ undefined, [
- ts.createIdentifier("require"),
- ts.createIdentifier("exports")
- ]))
- ]),
- ts.setEmitFlags(ts.createIf(ts.createStrictInequality(ts.createIdentifier("v"), ts.createIdentifier("undefined")), ts.createExpressionStatement(ts.createAssignment(ts.createPropertyAccess(ts.createIdentifier("module"), "exports"), ts.createIdentifier("v")))), 1 /* SingleLine */)
- ]), ts.createIf(ts.createLogicalAnd(ts.createTypeCheck(ts.createIdentifier("define"), "function"), ts.createPropertyAccess(ts.createIdentifier("define"), "amd")), ts.createBlock([
- ts.createExpressionStatement(ts.createCall(ts.createIdentifier("define"),
- /*typeArguments*/ undefined, __spreadArrays((moduleName ? [moduleName] : []), [
- ts.createArrayLiteral(__spreadArrays([
- ts.createLiteral("require"),
- ts.createLiteral("exports")
- ], aliasedModuleNames, unaliasedModuleNames)),
- ts.createIdentifier("factory")
- ])))
- ])))
- ],
- /*multiLine*/ true),
- /*location*/ undefined));
- // Create an updated SourceFile:
- //
- // (function (factory) {
- // if (typeof module === "object" && typeof module.exports === "object") {
- // var v = factory(require, exports);
- // if (v !== undefined) module.exports = v;
- // }
- // else if (typeof define === 'function' && define.amd) {
- // define(["require", "exports"], factory);
- // }
- // })(function ...)
- var updated = ts.updateSourceFileNode(node, ts.setTextRange(ts.createNodeArray([
- ts.createExpressionStatement(ts.createCall(umdHeader,
- /*typeArguments*/ undefined, [
- // Add the module body function argument:
- //
- // function (require, exports) ...
- ts.createFunctionExpression(
- /*modifiers*/ undefined,
- /*asteriskToken*/ undefined,
- /*name*/ undefined,
- /*typeParameters*/ undefined, __spreadArrays([
- ts.createParameter(/*decorators*/ undefined, /*modifiers*/ undefined, /*dotDotDotToken*/ undefined, "require"),
- ts.createParameter(/*decorators*/ undefined, /*modifiers*/ undefined, /*dotDotDotToken*/ undefined, "exports")
- ], importAliasNames),
- /*type*/ undefined, transformAsynchronousModuleBody(node))
- ]))
- ]),
- /*location*/ node.statements));
- ts.addEmitHelpers(updated, context.readEmitHelpers());
- return updated;
- }
- /**
- * Collect the additional asynchronous dependencies for the module.
- *
- * @param node The source file.
- * @param includeNonAmdDependencies A value indicating whether to include non-AMD dependencies.
- */
- function collectAsynchronousDependencies(node, includeNonAmdDependencies) {
- // names of modules with corresponding parameter in the factory function
- var aliasedModuleNames = [];
- // names of modules with no corresponding parameters in factory function
- var unaliasedModuleNames = [];
- // names of the parameters in the factory function; these
- // parameters need to match the indexes of the corresponding
- // module names in aliasedModuleNames.
- var importAliasNames = [];
- // Fill in amd-dependency tags
- for (var _i = 0, _a = node.amdDependencies; _i < _a.length; _i++) {
- var amdDependency = _a[_i];
- if (amdDependency.name) {
- aliasedModuleNames.push(ts.createLiteral(amdDependency.path));
- importAliasNames.push(ts.createParameter(/*decorators*/ undefined, /*modifiers*/ undefined, /*dotDotDotToken*/ undefined, amdDependency.name));
- }
- else {
- unaliasedModuleNames.push(ts.createLiteral(amdDependency.path));
- }
- }
- for (var _b = 0, _c = currentModuleInfo.externalImports; _b < _c.length; _b++) {
- var importNode = _c[_b];
- // Find the name of the external module
- var externalModuleName = ts.getExternalModuleNameLiteral(importNode, currentSourceFile, host, resolver, compilerOptions);
- // Find the name of the module alias, if there is one
- var importAliasName = ts.getLocalNameForExternalImport(importNode, currentSourceFile);
- // It is possible that externalModuleName is undefined if it is not string literal.
- // This can happen in the invalid import syntax.
- // E.g : "import * from alias from 'someLib';"
- if (externalModuleName) {
- if (includeNonAmdDependencies && importAliasName) {
- // Set emitFlags on the name of the classDeclaration
- // This is so that when printer will not substitute the identifier
- ts.setEmitFlags(importAliasName, 4 /* NoSubstitution */);
- aliasedModuleNames.push(externalModuleName);
- importAliasNames.push(ts.createParameter(/*decorators*/ undefined, /*modifiers*/ undefined, /*dotDotDotToken*/ undefined, importAliasName));
- }
- else {
- unaliasedModuleNames.push(externalModuleName);
- }
- }
- }
- return { aliasedModuleNames: aliasedModuleNames, unaliasedModuleNames: unaliasedModuleNames, importAliasNames: importAliasNames };
- }
- function getAMDImportExpressionForImport(node) {
- if (ts.isImportEqualsDeclaration(node) || ts.isExportDeclaration(node) || !ts.getExternalModuleNameLiteral(node, currentSourceFile, host, resolver, compilerOptions)) {
- return undefined;
- }
- var name = ts.getLocalNameForExternalImport(node, currentSourceFile); // TODO: GH#18217
- var expr = getHelperExpressionForImport(node, name);
- if (expr === name) {
- return undefined;
- }
- return ts.createExpressionStatement(ts.createAssignment(name, expr));
- }
- /**
- * Transforms a SourceFile into an AMD or UMD module body.
- *
- * @param node The SourceFile node.
- */
- function transformAsynchronousModuleBody(node) {
- startLexicalEnvironment();
- var statements = [];
- var statementOffset = ts.addPrologue(statements, node.statements, /*ensureUseStrict*/ !compilerOptions.noImplicitUseStrict, sourceElementVisitor);
- if (shouldEmitUnderscoreUnderscoreESModule()) {
- ts.append(statements, createUnderscoreUnderscoreESModule());
- }
- if (ts.length(currentModuleInfo.exportedNames)) {
- ts.append(statements, ts.createExpressionStatement(ts.reduceLeft(currentModuleInfo.exportedNames, function (prev, nextId) { return ts.createAssignment(ts.createPropertyAccess(ts.createIdentifier("exports"), ts.createIdentifier(ts.idText(nextId))), prev); }, ts.createVoidZero())));
- }
- // Visit each statement of the module body.
- ts.append(statements, ts.visitNode(currentModuleInfo.externalHelpersImportDeclaration, sourceElementVisitor, ts.isStatement));
- if (moduleKind === ts.ModuleKind.AMD) {
- ts.addRange(statements, ts.mapDefined(currentModuleInfo.externalImports, getAMDImportExpressionForImport));
- }
- ts.addRange(statements, ts.visitNodes(node.statements, sourceElementVisitor, ts.isStatement, statementOffset));
- // Append the 'export =' statement if provided.
- addExportEqualsIfNeeded(statements, /*emitAsReturn*/ true);
- // End the lexical environment for the module body
- // and merge any new lexical declarations.
- ts.insertStatementsAfterStandardPrologue(statements, endLexicalEnvironment());
- var body = ts.createBlock(statements, /*multiLine*/ true);
- if (needUMDDynamicImportHelper) {
- ts.addEmitHelper(body, dynamicImportUMDHelper);
- }
- return body;
- }
- /**
- * Adds the down-level representation of `export=` to the statement list if one exists
- * in the source file.
- *
- * @param statements The Statement list to modify.
- * @param emitAsReturn A value indicating whether to emit the `export=` statement as a
- * return statement.
- */
- function addExportEqualsIfNeeded(statements, emitAsReturn) {
- if (currentModuleInfo.exportEquals) {
- var expressionResult = ts.visitNode(currentModuleInfo.exportEquals.expression, moduleExpressionElementVisitor);
- if (expressionResult) {
- if (emitAsReturn) {
- var statement = ts.createReturn(expressionResult);
- ts.setTextRange(statement, currentModuleInfo.exportEquals);
- ts.setEmitFlags(statement, 384 /* NoTokenSourceMaps */ | 1536 /* NoComments */);
- statements.push(statement);
- }
- else {
- var statement = ts.createExpressionStatement(ts.createAssignment(ts.createPropertyAccess(ts.createIdentifier("module"), "exports"), expressionResult));
- ts.setTextRange(statement, currentModuleInfo.exportEquals);
- ts.setEmitFlags(statement, 1536 /* NoComments */);
- statements.push(statement);
- }
- }
- }
- }
- //
- // Top-Level Source Element Visitors
- //
- /**
- * Visits a node at the top level of the source file.
- *
- * @param node The node to visit.
- */
- function sourceElementVisitor(node) {
- switch (node.kind) {
- case 254 /* ImportDeclaration */:
- return visitImportDeclaration(node);
- case 253 /* ImportEqualsDeclaration */:
- return visitImportEqualsDeclaration(node);
- case 260 /* ExportDeclaration */:
- return visitExportDeclaration(node);
- case 259 /* ExportAssignment */:
- return visitExportAssignment(node);
- case 225 /* VariableStatement */:
- return visitVariableStatement(node);
- case 244 /* FunctionDeclaration */:
- return visitFunctionDeclaration(node);
- case 245 /* ClassDeclaration */:
- return visitClassDeclaration(node);
- case 328 /* MergeDeclarationMarker */:
- return visitMergeDeclarationMarker(node);
- case 329 /* EndOfDeclarationMarker */:
- return visitEndOfDeclarationMarker(node);
- default:
- return ts.visitEachChild(node, moduleExpressionElementVisitor, context);
- }
- }
- function moduleExpressionElementVisitor(node) {
- // This visitor does not need to descend into the tree if there is no dynamic import or destructuring assignment,
- // as export/import statements are only transformed at the top level of a file.
- if (!(node.transformFlags & 2097152 /* ContainsDynamicImport */) && !(node.transformFlags & 1024 /* ContainsDestructuringAssignment */)) {
- return node;
- }
- if (ts.isImportCall(node)) {
- return visitImportCallExpression(node);
- }
- else if (ts.isDestructuringAssignment(node)) {
- return visitDestructuringAssignment(node);
- }
- else {
- return ts.visitEachChild(node, moduleExpressionElementVisitor, context);
- }
- }
- function destructuringNeedsFlattening(node) {
- if (ts.isObjectLiteralExpression(node)) {
- for (var _i = 0, _a = node.properties; _i < _a.length; _i++) {
- var elem = _a[_i];
- switch (elem.kind) {
- case 281 /* PropertyAssignment */:
- if (destructuringNeedsFlattening(elem.initializer)) {
- return true;
- }
- break;
- case 282 /* ShorthandPropertyAssignment */:
- if (destructuringNeedsFlattening(elem.name)) {
- return true;
- }
- break;
- case 283 /* SpreadAssignment */:
- if (destructuringNeedsFlattening(elem.expression)) {
- return true;
- }
- break;
- case 161 /* MethodDeclaration */:
- case 163 /* GetAccessor */:
- case 164 /* SetAccessor */:
- return false;
- default: ts.Debug.assertNever(elem, "Unhandled object member kind");
- }
- }
- }
- else if (ts.isArrayLiteralExpression(node)) {
- for (var _b = 0, _c = node.elements; _b < _c.length; _b++) {
- var elem = _c[_b];
- if (ts.isSpreadElement(elem)) {
- if (destructuringNeedsFlattening(elem.expression)) {
- return true;
- }
- }
- else if (destructuringNeedsFlattening(elem)) {
- return true;
- }
- }
- }
- else if (ts.isIdentifier(node)) {
- return ts.length(getExports(node)) > (ts.isExportName(node) ? 1 : 0);
- }
- return false;
- }
- function visitDestructuringAssignment(node) {
- if (destructuringNeedsFlattening(node.left)) {
- return ts.flattenDestructuringAssignment(node, moduleExpressionElementVisitor, context, 0 /* All */, /*needsValue*/ false, createAllExportExpressions);
- }
- return ts.visitEachChild(node, moduleExpressionElementVisitor, context);
- }
- function visitImportCallExpression(node) {
- var argument = ts.visitNode(ts.firstOrUndefined(node.arguments), moduleExpressionElementVisitor);
- var containsLexicalThis = !!(node.transformFlags & 4096 /* ContainsLexicalThis */);
- switch (compilerOptions.module) {
- case ts.ModuleKind.AMD:
- return createImportCallExpressionAMD(argument, containsLexicalThis);
- case ts.ModuleKind.UMD:
- return createImportCallExpressionUMD(argument, containsLexicalThis);
- case ts.ModuleKind.CommonJS:
- default:
- return createImportCallExpressionCommonJS(argument, containsLexicalThis);
- }
- }
- function createImportCallExpressionUMD(arg, containsLexicalThis) {
- // (function (factory) {
- // ... (regular UMD)
- // }
- // })(function (require, exports, useSyncRequire) {
- // "use strict";
- // Object.defineProperty(exports, "__esModule", { value: true });
- // var __syncRequire = typeof module === "object" && typeof module.exports === "object";
- // var __resolved = new Promise(function (resolve) { resolve(); });
- // .....
- // __syncRequire
- // ? __resolved.then(function () { return require(x); }) /*CommonJs Require*/
- // : new Promise(function (_a, _b) { require([x], _a, _b); }); /*Amd Require*/
- // });
- needUMDDynamicImportHelper = true;
- if (ts.isSimpleCopiableExpression(arg)) {
- var argClone = ts.isGeneratedIdentifier(arg) ? arg : ts.isStringLiteral(arg) ? ts.createLiteral(arg) : ts.setEmitFlags(ts.setTextRange(ts.getSynthesizedClone(arg), arg), 1536 /* NoComments */);
- return ts.createConditional(
- /*condition*/ ts.createIdentifier("__syncRequire"),
- /*whenTrue*/ createImportCallExpressionCommonJS(arg, containsLexicalThis),
- /*whenFalse*/ createImportCallExpressionAMD(argClone, containsLexicalThis));
- }
- else {
- var temp = ts.createTempVariable(hoistVariableDeclaration);
- return ts.createComma(ts.createAssignment(temp, arg), ts.createConditional(
- /*condition*/ ts.createIdentifier("__syncRequire"),
- /*whenTrue*/ createImportCallExpressionCommonJS(temp, containsLexicalThis),
- /*whenFalse*/ createImportCallExpressionAMD(temp, containsLexicalThis)));
- }
- }
- function createImportCallExpressionAMD(arg, containsLexicalThis) {
- // improt("./blah")
- // emit as
- // define(["require", "exports", "blah"], function (require, exports) {
- // ...
- // new Promise(function (_a, _b) { require([x], _a, _b); }); /*Amd Require*/
- // });
- var resolve = ts.createUniqueName("resolve");
- var reject = ts.createUniqueName("reject");
- var parameters = [
- ts.createParameter(/*decorator*/ undefined, /*modifiers*/ undefined, /*dotDotDotToken*/ undefined, /*name*/ resolve),
- ts.createParameter(/*decorator*/ undefined, /*modifiers*/ undefined, /*dotDotDotToken*/ undefined, /*name*/ reject)
- ];
- var body = ts.createBlock([
- ts.createExpressionStatement(ts.createCall(ts.createIdentifier("require"),
- /*typeArguments*/ undefined, [ts.createArrayLiteral([arg || ts.createOmittedExpression()]), resolve, reject]))
- ]);
- var func;
- if (languageVersion >= 2 /* ES2015 */) {
- func = ts.createArrowFunction(
- /*modifiers*/ undefined,
- /*typeParameters*/ undefined, parameters,
- /*type*/ undefined,
- /*equalsGreaterThanToken*/ undefined, body);
- }
- else {
- func = ts.createFunctionExpression(
- /*modifiers*/ undefined,
- /*asteriskToken*/ undefined,
- /*name*/ undefined,
- /*typeParameters*/ undefined, parameters,
- /*type*/ undefined, body);
- // if there is a lexical 'this' in the import call arguments, ensure we indicate
- // that this new function expression indicates it captures 'this' so that the
- // es2015 transformer will properly substitute 'this' with '_this'.
- if (containsLexicalThis) {
- ts.setEmitFlags(func, 8 /* CapturesThis */);
- }
- }
- var promise = ts.createNew(ts.createIdentifier("Promise"), /*typeArguments*/ undefined, [func]);
- if (compilerOptions.esModuleInterop) {
- context.requestEmitHelper(ts.importStarHelper);
- return ts.createCall(ts.createPropertyAccess(promise, ts.createIdentifier("then")), /*typeArguments*/ undefined, [ts.getUnscopedHelperName("__importStar")]);
- }
- return promise;
- }
- function createImportCallExpressionCommonJS(arg, containsLexicalThis) {
- // import("./blah")
- // emit as
- // Promise.resolve().then(function () { return require(x); }) /*CommonJs Require*/
- // We have to wrap require in then callback so that require is done in asynchronously
- // if we simply do require in resolve callback in Promise constructor. We will execute the loading immediately
- var promiseResolveCall = ts.createCall(ts.createPropertyAccess(ts.createIdentifier("Promise"), "resolve"), /*typeArguments*/ undefined, /*argumentsArray*/ []);
- var requireCall = ts.createCall(ts.createIdentifier("require"), /*typeArguments*/ undefined, arg ? [arg] : []);
- if (compilerOptions.esModuleInterop) {
- context.requestEmitHelper(ts.importStarHelper);
- requireCall = ts.createCall(ts.getUnscopedHelperName("__importStar"), /*typeArguments*/ undefined, [requireCall]);
- }
- var func;
- if (languageVersion >= 2 /* ES2015 */) {
- func = ts.createArrowFunction(
- /*modifiers*/ undefined,
- /*typeParameters*/ undefined,
- /*parameters*/ [],
- /*type*/ undefined,
- /*equalsGreaterThanToken*/ undefined, requireCall);
- }
- else {
- func = ts.createFunctionExpression(
- /*modifiers*/ undefined,
- /*asteriskToken*/ undefined,
- /*name*/ undefined,
- /*typeParameters*/ undefined,
- /*parameters*/ [],
- /*type*/ undefined, ts.createBlock([ts.createReturn(requireCall)]));
- // if there is a lexical 'this' in the import call arguments, ensure we indicate
- // that this new function expression indicates it captures 'this' so that the
- // es2015 transformer will properly substitute 'this' with '_this'.
- if (containsLexicalThis) {
- ts.setEmitFlags(func, 8 /* CapturesThis */);
- }
- }
- return ts.createCall(ts.createPropertyAccess(promiseResolveCall, "then"), /*typeArguments*/ undefined, [func]);
- }
- function getHelperExpressionForExport(node, innerExpr) {
- if (!compilerOptions.esModuleInterop || ts.getEmitFlags(node) & 67108864 /* NeverApplyImportHelper */) {
- return innerExpr;
- }
- if (ts.getExportNeedsImportStarHelper(node)) {
- context.requestEmitHelper(ts.importStarHelper);
- return ts.createCall(ts.getUnscopedHelperName("__importStar"), /*typeArguments*/ undefined, [innerExpr]);
- }
- return innerExpr;
- }
- function getHelperExpressionForImport(node, innerExpr) {
- if (!compilerOptions.esModuleInterop || ts.getEmitFlags(node) & 67108864 /* NeverApplyImportHelper */) {
- return innerExpr;
- }
- if (ts.getImportNeedsImportStarHelper(node)) {
- context.requestEmitHelper(ts.importStarHelper);
- return ts.createCall(ts.getUnscopedHelperName("__importStar"), /*typeArguments*/ undefined, [innerExpr]);
- }
- if (ts.getImportNeedsImportDefaultHelper(node)) {
- context.requestEmitHelper(ts.importDefaultHelper);
- return ts.createCall(ts.getUnscopedHelperName("__importDefault"), /*typeArguments*/ undefined, [innerExpr]);
- }
- return innerExpr;
- }
- /**
- * Visits an ImportDeclaration node.
- *
- * @param node The node to visit.
- */
- function visitImportDeclaration(node) {
- var statements;
- var namespaceDeclaration = ts.getNamespaceDeclarationNode(node);
- if (moduleKind !== ts.ModuleKind.AMD) {
- if (!node.importClause) {
- // import "mod";
- return ts.setOriginalNode(ts.setTextRange(ts.createExpressionStatement(createRequireCall(node)), node), node);
- }
- else {
- var variables = [];
- if (namespaceDeclaration && !ts.isDefaultImport(node)) {
- // import * as n from "mod";
- variables.push(ts.createVariableDeclaration(ts.getSynthesizedClone(namespaceDeclaration.name),
- /*type*/ undefined, getHelperExpressionForImport(node, createRequireCall(node))));
- }
- else {
- // import d from "mod";
- // import { x, y } from "mod";
- // import d, { x, y } from "mod";
- // import d, * as n from "mod";
- variables.push(ts.createVariableDeclaration(ts.getGeneratedNameForNode(node),
- /*type*/ undefined, getHelperExpressionForImport(node, createRequireCall(node))));
- if (namespaceDeclaration && ts.isDefaultImport(node)) {
- variables.push(ts.createVariableDeclaration(ts.getSynthesizedClone(namespaceDeclaration.name),
- /*type*/ undefined, ts.getGeneratedNameForNode(node)));
- }
- }
- statements = ts.append(statements, ts.setOriginalNode(ts.setTextRange(ts.createVariableStatement(
- /*modifiers*/ undefined, ts.createVariableDeclarationList(variables, languageVersion >= 2 /* ES2015 */ ? 2 /* Const */ : 0 /* None */)),
- /*location*/ node),
- /*original*/ node));
- }
- }
- else if (namespaceDeclaration && ts.isDefaultImport(node)) {
- // import d, * as n from "mod";
- statements = ts.append(statements, ts.createVariableStatement(
- /*modifiers*/ undefined, ts.createVariableDeclarationList([
- ts.setOriginalNode(ts.setTextRange(ts.createVariableDeclaration(ts.getSynthesizedClone(namespaceDeclaration.name),
- /*type*/ undefined, ts.getGeneratedNameForNode(node)),
- /*location*/ node),
- /*original*/ node)
- ], languageVersion >= 2 /* ES2015 */ ? 2 /* Const */ : 0 /* None */)));
- }
- if (hasAssociatedEndOfDeclarationMarker(node)) {
- // Defer exports until we encounter an EndOfDeclarationMarker node
- var id = ts.getOriginalNodeId(node);
- deferredExports[id] = appendExportsOfImportDeclaration(deferredExports[id], node);
- }
- else {
- statements = appendExportsOfImportDeclaration(statements, node);
- }
- return ts.singleOrMany(statements);
- }
- /**
- * Creates a `require()` call to import an external module.
- *
- * @param importNode The declararation to import.
- */
- function createRequireCall(importNode) {
- var moduleName = ts.getExternalModuleNameLiteral(importNode, currentSourceFile, host, resolver, compilerOptions);
- var args = [];
- if (moduleName) {
- args.push(moduleName);
- }
- return ts.createCall(ts.createIdentifier("require"), /*typeArguments*/ undefined, args);
- }
- /**
- * Visits an ImportEqualsDeclaration node.
- *
- * @param node The node to visit.
- */
- function visitImportEqualsDeclaration(node) {
- ts.Debug.assert(ts.isExternalModuleImportEqualsDeclaration(node), "import= for internal module references should be handled in an earlier transformer.");
- var statements;
- if (moduleKind !== ts.ModuleKind.AMD) {
- if (ts.hasModifier(node, 1 /* Export */)) {
- statements = ts.append(statements, ts.setOriginalNode(ts.setTextRange(ts.createExpressionStatement(createExportExpression(node.name, createRequireCall(node))), node), node));
- }
- else {
- statements = ts.append(statements, ts.setOriginalNode(ts.setTextRange(ts.createVariableStatement(
- /*modifiers*/ undefined, ts.createVariableDeclarationList([
- ts.createVariableDeclaration(ts.getSynthesizedClone(node.name),
- /*type*/ undefined, createRequireCall(node))
- ],
- /*flags*/ languageVersion >= 2 /* ES2015 */ ? 2 /* Const */ : 0 /* None */)), node), node));
- }
- }
- else {
- if (ts.hasModifier(node, 1 /* Export */)) {
- statements = ts.append(statements, ts.setOriginalNode(ts.setTextRange(ts.createExpressionStatement(createExportExpression(ts.getExportName(node), ts.getLocalName(node))), node), node));
- }
- }
- if (hasAssociatedEndOfDeclarationMarker(node)) {
- // Defer exports until we encounter an EndOfDeclarationMarker node
- var id = ts.getOriginalNodeId(node);
- deferredExports[id] = appendExportsOfImportEqualsDeclaration(deferredExports[id], node);
- }
- else {
- statements = appendExportsOfImportEqualsDeclaration(statements, node);
- }
- return ts.singleOrMany(statements);
- }
- /**
- * Visits an ExportDeclaration node.
- *
- * @param The node to visit.
- */
- function visitExportDeclaration(node) {
- if (!node.moduleSpecifier) {
- // Elide export declarations with no module specifier as they are handled
- // elsewhere.
- return undefined;
- }
- var generatedName = ts.getGeneratedNameForNode(node);
- if (node.exportClause && ts.isNamedExports(node.exportClause)) {
- var statements = [];
- // export { x, y } from "mod";
- if (moduleKind !== ts.ModuleKind.AMD) {
- statements.push(ts.setOriginalNode(ts.setTextRange(ts.createVariableStatement(
- /*modifiers*/ undefined, ts.createVariableDeclarationList([
- ts.createVariableDeclaration(generatedName,
- /*type*/ undefined, createRequireCall(node))
- ])),
- /*location*/ node),
- /* original */ node));
- }
- for (var _i = 0, _a = node.exportClause.elements; _i < _a.length; _i++) {
- var specifier = _a[_i];
- if (languageVersion === 0 /* ES3 */) {
- statements.push(ts.setOriginalNode(ts.setTextRange(ts.createExpressionStatement(createCreateBindingHelper(context, generatedName, ts.createLiteral(specifier.propertyName || specifier.name), specifier.propertyName ? ts.createLiteral(specifier.name) : undefined)), specifier), specifier));
- }
- else {
- var exportedValue = ts.createPropertyAccess(generatedName, specifier.propertyName || specifier.name);
- statements.push(ts.setOriginalNode(ts.setTextRange(ts.createExpressionStatement(createExportExpression(ts.getExportName(specifier), exportedValue, /* location */ undefined, /* liveBinding */ true)), specifier), specifier));
- }
- }
- return ts.singleOrMany(statements);
- }
- else if (node.exportClause) {
- var statements = [];
- // export * as ns from "mod";
- statements.push(ts.setOriginalNode(ts.setTextRange(ts.createExpressionStatement(createExportExpression(ts.getSynthesizedClone(node.exportClause.name), moduleKind !== ts.ModuleKind.AMD ?
- getHelperExpressionForExport(node, createRequireCall(node)) :
- ts.createIdentifier(ts.idText(node.exportClause.name)))), node), node));
- return ts.singleOrMany(statements);
- }
- else {
- // export * from "mod";
- return ts.setOriginalNode(ts.setTextRange(ts.createExpressionStatement(createExportStarHelper(context, moduleKind !== ts.ModuleKind.AMD ? createRequireCall(node) : generatedName)), node), node);
- }
- }
- /**
- * Visits an ExportAssignment node.
- *
- * @param node The node to visit.
- */
- function visitExportAssignment(node) {
- if (node.isExportEquals) {
- return undefined;
- }
- var statements;
- var original = node.original;
- if (original && hasAssociatedEndOfDeclarationMarker(original)) {
- // Defer exports until we encounter an EndOfDeclarationMarker node
- var id = ts.getOriginalNodeId(node);
- deferredExports[id] = appendExportStatement(deferredExports[id], ts.createIdentifier("default"), ts.visitNode(node.expression, moduleExpressionElementVisitor), /*location*/ node, /*allowComments*/ true);
- }
- else {
- statements = appendExportStatement(statements, ts.createIdentifier("default"), ts.visitNode(node.expression, moduleExpressionElementVisitor), /*location*/ node, /*allowComments*/ true);
- }
- return ts.singleOrMany(statements);
- }
- /**
- * Visits a FunctionDeclaration node.
- *
- * @param node The node to visit.
- */
- function visitFunctionDeclaration(node) {
- var statements;
- if (ts.hasModifier(node, 1 /* Export */)) {
- statements = ts.append(statements, ts.setOriginalNode(ts.setTextRange(ts.createFunctionDeclaration(
- /*decorators*/ undefined, ts.visitNodes(node.modifiers, modifierVisitor, ts.isModifier), node.asteriskToken, ts.getDeclarationName(node, /*allowComments*/ true, /*allowSourceMaps*/ true),
- /*typeParameters*/ undefined, ts.visitNodes(node.parameters, moduleExpressionElementVisitor),
- /*type*/ undefined, ts.visitEachChild(node.body, moduleExpressionElementVisitor, context)),
- /*location*/ node),
- /*original*/ node));
- }
- else {
- statements = ts.append(statements, ts.visitEachChild(node, moduleExpressionElementVisitor, context));
- }
- if (hasAssociatedEndOfDeclarationMarker(node)) {
- // Defer exports until we encounter an EndOfDeclarationMarker node
- var id = ts.getOriginalNodeId(node);
- deferredExports[id] = appendExportsOfHoistedDeclaration(deferredExports[id], node);
- }
- else {
- statements = appendExportsOfHoistedDeclaration(statements, node);
- }
- return ts.singleOrMany(statements);
- }
- /**
- * Visits a ClassDeclaration node.
- *
- * @param node The node to visit.
- */
- function visitClassDeclaration(node) {
- var statements;
- if (ts.hasModifier(node, 1 /* Export */)) {
- statements = ts.append(statements, ts.setOriginalNode(ts.setTextRange(ts.createClassDeclaration(
- /*decorators*/ undefined, ts.visitNodes(node.modifiers, modifierVisitor, ts.isModifier), ts.getDeclarationName(node, /*allowComments*/ true, /*allowSourceMaps*/ true),
- /*typeParameters*/ undefined, ts.visitNodes(node.heritageClauses, moduleExpressionElementVisitor), ts.visitNodes(node.members, moduleExpressionElementVisitor)), node), node));
- }
- else {
- statements = ts.append(statements, ts.visitEachChild(node, moduleExpressionElementVisitor, context));
- }
- if (hasAssociatedEndOfDeclarationMarker(node)) {
- // Defer exports until we encounter an EndOfDeclarationMarker node
- var id = ts.getOriginalNodeId(node);
- deferredExports[id] = appendExportsOfHoistedDeclaration(deferredExports[id], node);
- }
- else {
- statements = appendExportsOfHoistedDeclaration(statements, node);
- }
- return ts.singleOrMany(statements);
- }
- /**
- * Visits a VariableStatement node.
- *
- * @param node The node to visit.
- */
- function visitVariableStatement(node) {
- var statements;
- var variables;
- var expressions;
- if (ts.hasModifier(node, 1 /* Export */)) {
- var modifiers = void 0;
- // If we're exporting these variables, then these just become assignments to 'exports.x'.
- for (var _i = 0, _a = node.declarationList.declarations; _i < _a.length; _i++) {
- var variable = _a[_i];
- if (ts.isIdentifier(variable.name) && ts.isLocalName(variable.name)) {
- if (!modifiers) {
- modifiers = ts.visitNodes(node.modifiers, modifierVisitor, ts.isModifier);
- }
- variables = ts.append(variables, variable);
- }
- else if (variable.initializer) {
- expressions = ts.append(expressions, transformInitializedVariable(variable));
- }
- }
- if (variables) {
- statements = ts.append(statements, ts.updateVariableStatement(node, modifiers, ts.updateVariableDeclarationList(node.declarationList, variables)));
- }
- if (expressions) {
- statements = ts.append(statements, ts.setOriginalNode(ts.setTextRange(ts.createExpressionStatement(ts.inlineExpressions(expressions)), node), node));
- }
- }
- else {
- statements = ts.append(statements, ts.visitEachChild(node, moduleExpressionElementVisitor, context));
- }
- if (hasAssociatedEndOfDeclarationMarker(node)) {
- // Defer exports until we encounter an EndOfDeclarationMarker node
- var id = ts.getOriginalNodeId(node);
- deferredExports[id] = appendExportsOfVariableStatement(deferredExports[id], node);
- }
- else {
- statements = appendExportsOfVariableStatement(statements, node);
- }
- return ts.singleOrMany(statements);
- }
- function createAllExportExpressions(name, value, location) {
- var exportedNames = getExports(name);
- if (exportedNames) {
- // For each additional export of the declaration, apply an export assignment.
- var expression = ts.isExportName(name) ? value : ts.createAssignment(name, value);
- for (var _i = 0, exportedNames_1 = exportedNames; _i < exportedNames_1.length; _i++) {
- var exportName = exportedNames_1[_i];
- // Mark the node to prevent triggering substitution.
- ts.setEmitFlags(expression, 4 /* NoSubstitution */);
- expression = createExportExpression(exportName, expression, /*location*/ location);
- }
- return expression;
- }
- return ts.createAssignment(name, value);
- }
- /**
- * Transforms an exported variable with an initializer into an expression.
- *
- * @param node The node to transform.
- */
- function transformInitializedVariable(node) {
- if (ts.isBindingPattern(node.name)) {
- return ts.flattenDestructuringAssignment(ts.visitNode(node, moduleExpressionElementVisitor),
- /*visitor*/ undefined, context, 0 /* All */,
- /*needsValue*/ false, createAllExportExpressions);
- }
- else {
- return ts.createAssignment(ts.setTextRange(ts.createPropertyAccess(ts.createIdentifier("exports"), node.name),
- /*location*/ node.name), node.initializer ? ts.visitNode(node.initializer, moduleExpressionElementVisitor) : ts.createVoidZero());
- }
- }
- /**
- * Visits a MergeDeclarationMarker used as a placeholder for the beginning of a merged
- * and transformed declaration.
- *
- * @param node The node to visit.
- */
- function visitMergeDeclarationMarker(node) {
- // For an EnumDeclaration or ModuleDeclaration that merges with a preceeding
- // declaration we do not emit a leading variable declaration. To preserve the
- // begin/end semantics of the declararation and to properly handle exports
- // we wrapped the leading variable declaration in a `MergeDeclarationMarker`.
- //
- // To balance the declaration, add the exports of the elided variable
- // statement.
- if (hasAssociatedEndOfDeclarationMarker(node) && node.original.kind === 225 /* VariableStatement */) {
- var id = ts.getOriginalNodeId(node);
- deferredExports[id] = appendExportsOfVariableStatement(deferredExports[id], node.original);
- }
- return node;
- }
- /**
- * Determines whether a node has an associated EndOfDeclarationMarker.
- *
- * @param node The node to test.
- */
- function hasAssociatedEndOfDeclarationMarker(node) {
- return (ts.getEmitFlags(node) & 4194304 /* HasEndOfDeclarationMarker */) !== 0;
- }
- /**
- * Visits a DeclarationMarker used as a placeholder for the end of a transformed
- * declaration.
- *
- * @param node The node to visit.
- */
- function visitEndOfDeclarationMarker(node) {
- // For some transformations we emit an `EndOfDeclarationMarker` to mark the actual
- // end of the transformed declaration. We use this marker to emit any deferred exports
- // of the declaration.
- var id = ts.getOriginalNodeId(node);
- var statements = deferredExports[id];
- if (statements) {
- delete deferredExports[id];
- return ts.append(statements, node);
- }
- return node;
- }
- /**
- * Appends the exports of an ImportDeclaration to a statement list, returning the
- * statement list.
- *
- * @param statements A statement list to which the down-level export statements are to be
- * appended. If `statements` is `undefined`, a new array is allocated if statements are
- * appended.
- * @param decl The declaration whose exports are to be recorded.
- */
- function appendExportsOfImportDeclaration(statements, decl) {
- if (currentModuleInfo.exportEquals) {
- return statements;
- }
- var importClause = decl.importClause;
- if (!importClause) {
- return statements;
- }
- if (importClause.name) {
- statements = appendExportsOfDeclaration(statements, importClause);
- }
- var namedBindings = importClause.namedBindings;
- if (namedBindings) {
- switch (namedBindings.kind) {
- case 256 /* NamespaceImport */:
- statements = appendExportsOfDeclaration(statements, namedBindings);
- break;
- case 257 /* NamedImports */:
- for (var _i = 0, _a = namedBindings.elements; _i < _a.length; _i++) {
- var importBinding = _a[_i];
- statements = appendExportsOfDeclaration(statements, importBinding, /* liveBinding */ true);
- }
- break;
- }
- }
- return statements;
- }
- /**
- * Appends the exports of an ImportEqualsDeclaration to a statement list, returning the
- * statement list.
- *
- * @param statements A statement list to which the down-level export statements are to be
- * appended. If `statements` is `undefined`, a new array is allocated if statements are
- * appended.
- * @param decl The declaration whose exports are to be recorded.
- */
- function appendExportsOfImportEqualsDeclaration(statements, decl) {
- if (currentModuleInfo.exportEquals) {
- return statements;
- }
- return appendExportsOfDeclaration(statements, decl);
- }
- /**
- * Appends the exports of a VariableStatement to a statement list, returning the statement
- * list.
- *
- * @param statements A statement list to which the down-level export statements are to be
- * appended. If `statements` is `undefined`, a new array is allocated if statements are
- * appended.
- * @param node The VariableStatement whose exports are to be recorded.
- */
- function appendExportsOfVariableStatement(statements, node) {
- if (currentModuleInfo.exportEquals) {
- return statements;
- }
- for (var _i = 0, _a = node.declarationList.declarations; _i < _a.length; _i++) {
- var decl = _a[_i];
- statements = appendExportsOfBindingElement(statements, decl);
- }
- return statements;
- }
- /**
- * Appends the exports of a VariableDeclaration or BindingElement to a statement list,
- * returning the statement list.
- *
- * @param statements A statement list to which the down-level export statements are to be
- * appended. If `statements` is `undefined`, a new array is allocated if statements are
- * appended.
- * @param decl The declaration whose exports are to be recorded.
- */
- function appendExportsOfBindingElement(statements, decl) {
- if (currentModuleInfo.exportEquals) {
- return statements;
- }
- if (ts.isBindingPattern(decl.name)) {
- for (var _i = 0, _a = decl.name.elements; _i < _a.length; _i++) {
- var element = _a[_i];
- if (!ts.isOmittedExpression(element)) {
- statements = appendExportsOfBindingElement(statements, element);
- }
- }
- }
- else if (!ts.isGeneratedIdentifier(decl.name)) {
- statements = appendExportsOfDeclaration(statements, decl);
- }
- return statements;
- }
- /**
- * Appends the exports of a ClassDeclaration or FunctionDeclaration to a statement list,
- * returning the statement list.
- *
- * @param statements A statement list to which the down-level export statements are to be
- * appended. If `statements` is `undefined`, a new array is allocated if statements are
- * appended.
- * @param decl The declaration whose exports are to be recorded.
- */
- function appendExportsOfHoistedDeclaration(statements, decl) {
- if (currentModuleInfo.exportEquals) {
- return statements;
- }
- if (ts.hasModifier(decl, 1 /* Export */)) {
- var exportName = ts.hasModifier(decl, 512 /* Default */) ? ts.createIdentifier("default") : ts.getDeclarationName(decl);
- statements = appendExportStatement(statements, exportName, ts.getLocalName(decl), /*location*/ decl);
- }
- if (decl.name) {
- statements = appendExportsOfDeclaration(statements, decl);
- }
- return statements;
- }
- /**
- * Appends the exports of a declaration to a statement list, returning the statement list.
- *
- * @param statements A statement list to which the down-level export statements are to be
- * appended. If `statements` is `undefined`, a new array is allocated if statements are
- * appended.
- * @param decl The declaration to export.
- */
- function appendExportsOfDeclaration(statements, decl, liveBinding) {
- var name = ts.getDeclarationName(decl);
- var exportSpecifiers = currentModuleInfo.exportSpecifiers.get(ts.idText(name));
- if (exportSpecifiers) {
- for (var _i = 0, exportSpecifiers_1 = exportSpecifiers; _i < exportSpecifiers_1.length; _i++) {
- var exportSpecifier = exportSpecifiers_1[_i];
- statements = appendExportStatement(statements, exportSpecifier.name, name, /*location*/ exportSpecifier.name, /* allowComments */ undefined, liveBinding);
- }
- }
- return statements;
- }
- /**
- * Appends the down-level representation of an export to a statement list, returning the
- * statement list.
- *
- * @param statements A statement list to which the down-level export statements are to be
- * appended. If `statements` is `undefined`, a new array is allocated if statements are
- * appended.
- * @param exportName The name of the export.
- * @param expression The expression to export.
- * @param location The location to use for source maps and comments for the export.
- * @param allowComments Whether to allow comments on the export.
- */
- function appendExportStatement(statements, exportName, expression, location, allowComments, liveBinding) {
- statements = ts.append(statements, createExportStatement(exportName, expression, location, allowComments, liveBinding));
- return statements;
- }
- function createUnderscoreUnderscoreESModule() {
- var statement;
- if (languageVersion === 0 /* ES3 */) {
- statement = ts.createExpressionStatement(createExportExpression(ts.createIdentifier("__esModule"), ts.createLiteral(/*value*/ true)));
- }
- else {
- statement = ts.createExpressionStatement(ts.createCall(ts.createPropertyAccess(ts.createIdentifier("Object"), "defineProperty"),
- /*typeArguments*/ undefined, [
- ts.createIdentifier("exports"),
- ts.createLiteral("__esModule"),
- ts.createObjectLiteral([
- ts.createPropertyAssignment("value", ts.createLiteral(/*value*/ true))
- ])
- ]));
- }
- ts.setEmitFlags(statement, 1048576 /* CustomPrologue */);
- return statement;
- }
- /**
- * Creates a call to the current file's export function to export a value.
- *
- * @param name The bound name of the export.
- * @param value The exported value.
- * @param location The location to use for source maps and comments for the export.
- * @param allowComments An optional value indicating whether to emit comments for the statement.
- */
- function createExportStatement(name, value, location, allowComments, liveBinding) {
- var statement = ts.setTextRange(ts.createExpressionStatement(createExportExpression(name, value, /* location */ undefined, liveBinding)), location);
- ts.startOnNewLine(statement);
- if (!allowComments) {
- ts.setEmitFlags(statement, 1536 /* NoComments */);
- }
- return statement;
- }
- /**
- * Creates a call to the current file's export function to export a value.
- *
- * @param name The bound name of the export.
- * @param value The exported value.
- * @param location The location to use for source maps and comments for the export.
- */
- function createExportExpression(name, value, location, liveBinding) {
- return ts.setTextRange(liveBinding && languageVersion !== 0 /* ES3 */ ? ts.createCall(ts.createPropertyAccess(ts.createIdentifier("Object"), "defineProperty"),
- /*typeArguments*/ undefined, [
- ts.createIdentifier("exports"),
- ts.createLiteral(name),
- ts.createObjectLiteral([
- ts.createPropertyAssignment("enumerable", ts.createLiteral(/*value*/ true)),
- ts.createPropertyAssignment("get", ts.createFunctionExpression(
- /*modifiers*/ undefined,
- /*asteriskToken*/ undefined,
- /*name*/ undefined,
- /*typeParameters*/ undefined,
- /*parameters*/ [],
- /*type*/ undefined, ts.createBlock([ts.createReturn(value)])))
- ])
- ]) : ts.createAssignment(ts.createPropertyAccess(ts.createIdentifier("exports"), ts.getSynthesizedClone(name)), value), location);
- }
- //
- // Modifier Visitors
- //
- /**
- * Visit nodes to elide module-specific modifiers.
- *
- * @param node The node to visit.
- */
- function modifierVisitor(node) {
- // Elide module-specific modifiers.
- switch (node.kind) {
- case 89 /* ExportKeyword */:
- case 84 /* DefaultKeyword */:
- return undefined;
- }
- return node;
- }
- //
- // Emit Notification
- //
- /**
- * Hook for node emit notifications.
- *
- * @param hint A hint as to the intended usage of the node.
- * @param node The node to emit.
- * @param emit A callback used to emit the node in the printer.
- */
- function onEmitNode(hint, node, emitCallback) {
- if (node.kind === 290 /* SourceFile */) {
- currentSourceFile = node;
- currentModuleInfo = moduleInfoMap[ts.getOriginalNodeId(currentSourceFile)];
- noSubstitution = [];
- previousOnEmitNode(hint, node, emitCallback);
- currentSourceFile = undefined;
- currentModuleInfo = undefined;
- noSubstitution = undefined;
- }
- else {
- previousOnEmitNode(hint, node, emitCallback);
- }
- }
- //
- // Substitutions
- //
- /**
- * Hooks node substitutions.
- *
- * @param hint A hint as to the intended usage of the node.
- * @param node The node to substitute.
- */
- function onSubstituteNode(hint, node) {
- node = previousOnSubstituteNode(hint, node);
- if (node.id && noSubstitution[node.id]) {
- return node;
- }
- if (hint === 1 /* Expression */) {
- return substituteExpression(node);
- }
- else if (ts.isShorthandPropertyAssignment(node)) {
- return substituteShorthandPropertyAssignment(node);
- }
- return node;
- }
- /**
- * Substitution for a ShorthandPropertyAssignment whose declaration name is an imported
- * or exported symbol.
- *
- * @param node The node to substitute.
- */
- function substituteShorthandPropertyAssignment(node) {
- var name = node.name;
- var exportedOrImportedName = substituteExpressionIdentifier(name);
- if (exportedOrImportedName !== name) {
- // A shorthand property with an assignment initializer is probably part of a
- // destructuring assignment
- if (node.objectAssignmentInitializer) {
- var initializer = ts.createAssignment(exportedOrImportedName, node.objectAssignmentInitializer);
- return ts.setTextRange(ts.createPropertyAssignment(name, initializer), node);
- }
- return ts.setTextRange(ts.createPropertyAssignment(name, exportedOrImportedName), node);
- }
- return node;
- }
- /**
- * Substitution for an Expression that may contain an imported or exported symbol.
- *
- * @param node The node to substitute.
- */
- function substituteExpression(node) {
- switch (node.kind) {
- case 75 /* Identifier */:
- return substituteExpressionIdentifier(node);
- case 209 /* BinaryExpression */:
- return substituteBinaryExpression(node);
- case 208 /* PostfixUnaryExpression */:
- case 207 /* PrefixUnaryExpression */:
- return substituteUnaryExpression(node);
- }
- return node;
- }
- /**
- * Substitution for an Identifier expression that may contain an imported or exported
- * symbol.
- *
- * @param node The node to substitute.
- */
- function substituteExpressionIdentifier(node) {
- if (ts.getEmitFlags(node) & 4096 /* HelperName */) {
- var externalHelpersModuleName = ts.getExternalHelpersModuleName(currentSourceFile);
- if (externalHelpersModuleName) {
- return ts.createPropertyAccess(externalHelpersModuleName, node);
- }
- return node;
- }
- if (!ts.isGeneratedIdentifier(node) && !ts.isLocalName(node)) {
- var exportContainer = resolver.getReferencedExportContainer(node, ts.isExportName(node));
- if (exportContainer && exportContainer.kind === 290 /* SourceFile */) {
- return ts.setTextRange(ts.createPropertyAccess(ts.createIdentifier("exports"), ts.getSynthesizedClone(node)),
- /*location*/ node);
- }
- var importDeclaration = resolver.getReferencedImportDeclaration(node);
- if (importDeclaration) {
- if (ts.isImportClause(importDeclaration)) {
- return ts.setTextRange(ts.createPropertyAccess(ts.getGeneratedNameForNode(importDeclaration.parent), ts.createIdentifier("default")),
- /*location*/ node);
- }
- else if (ts.isImportSpecifier(importDeclaration)) {
- var name = importDeclaration.propertyName || importDeclaration.name;
- return ts.setTextRange(ts.createPropertyAccess(ts.getGeneratedNameForNode(importDeclaration.parent.parent.parent), ts.getSynthesizedClone(name)),
- /*location*/ node);
- }
- }
- }
- return node;
- }
- /**
- * Substitution for a BinaryExpression that may contain an imported or exported symbol.
- *
- * @param node The node to substitute.
- */
- function substituteBinaryExpression(node) {
- // When we see an assignment expression whose left-hand side is an exported symbol,
- // we should ensure all exports of that symbol are updated with the correct value.
- //
- // - We do not substitute generated identifiers for any reason.
- // - We do not substitute identifiers tagged with the LocalName flag.
- // - We do not substitute identifiers that were originally the name of an enum or
- // namespace due to how they are transformed in TypeScript.
- // - We only substitute identifiers that are exported at the top level.
- if (ts.isAssignmentOperator(node.operatorToken.kind)
- && ts.isIdentifier(node.left)
- && !ts.isGeneratedIdentifier(node.left)
- && !ts.isLocalName(node.left)
- && !ts.isDeclarationNameOfEnumOrNamespace(node.left)) {
- var exportedNames = getExports(node.left);
- if (exportedNames) {
- // For each additional export of the declaration, apply an export assignment.
- var expression = node;
- for (var _i = 0, exportedNames_2 = exportedNames; _i < exportedNames_2.length; _i++) {
- var exportName = exportedNames_2[_i];
- // Mark the node to prevent triggering this rule again.
- noSubstitution[ts.getNodeId(expression)] = true;
- expression = createExportExpression(exportName, expression, /*location*/ node);
- }
- return expression;
- }
- }
- return node;
- }
- /**
- * Substitution for a UnaryExpression that may contain an imported or exported symbol.
- *
- * @param node The node to substitute.
- */
- function substituteUnaryExpression(node) {
- // When we see a prefix or postfix increment expression whose operand is an exported
- // symbol, we should ensure all exports of that symbol are updated with the correct
- // value.
- //
- // - We do not substitute generated identifiers for any reason.
- // - We do not substitute identifiers tagged with the LocalName flag.
- // - We do not substitute identifiers that were originally the name of an enum or
- // namespace due to how they are transformed in TypeScript.
- // - We only substitute identifiers that are exported at the top level.
- if ((node.operator === 45 /* PlusPlusToken */ || node.operator === 46 /* MinusMinusToken */)
- && ts.isIdentifier(node.operand)
- && !ts.isGeneratedIdentifier(node.operand)
- && !ts.isLocalName(node.operand)
- && !ts.isDeclarationNameOfEnumOrNamespace(node.operand)) {
- var exportedNames = getExports(node.operand);
- if (exportedNames) {
- var expression = node.kind === 208 /* PostfixUnaryExpression */
- ? ts.setTextRange(ts.createBinary(node.operand, ts.createToken(node.operator === 45 /* PlusPlusToken */ ? 63 /* PlusEqualsToken */ : 64 /* MinusEqualsToken */), ts.createLiteral(1)),
- /*location*/ node)
- : node;
- for (var _i = 0, exportedNames_3 = exportedNames; _i < exportedNames_3.length; _i++) {
- var exportName = exportedNames_3[_i];
- // Mark the node to prevent triggering this rule again.
- noSubstitution[ts.getNodeId(expression)] = true;
- expression = createExportExpression(exportName, expression);
- }
- return expression;
- }
- }
- return node;
- }
- /**
- * Gets the additional exports of a name.
- *
- * @param name The name.
- */
- function getExports(name) {
- if (!ts.isGeneratedIdentifier(name)) {
- var valueDeclaration = resolver.getReferencedImportDeclaration(name)
- || resolver.getReferencedValueDeclaration(name);
- if (valueDeclaration) {
- return currentModuleInfo
- && currentModuleInfo.exportedBindings[ts.getOriginalNodeId(valueDeclaration)];
- }
- }
- }
- }
- ts.transformModule = transformModule;
- ts.createBindingHelper = {
- name: "typescript:commonjscreatebinding",
- importName: "__createBinding",
- scoped: false,
- priority: 1,
- text: "\nvar __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {\n if (k2 === undefined) k2 = k;\n Object.defineProperty(o, k2, { enumerable: true, get: function() { return m[k]; } });\n}) : (function(o, m, k, k2) {\n if (k2 === undefined) k2 = k;\n o[k2] = m[k];\n}));"
- };
- function createCreateBindingHelper(context, module, inputName, outputName) {
- context.requestEmitHelper(ts.createBindingHelper);
- return ts.createCall(ts.getUnscopedHelperName("__createBinding"), /*typeArguments*/ undefined, __spreadArrays([ts.createIdentifier("exports"), module, inputName], (outputName ? [outputName] : [])));
- }
- ts.setModuleDefaultHelper = {
- name: "typescript:commonjscreatevalue",
- importName: "__setModuleDefault",
- scoped: false,
- priority: 1,
- text: "\nvar __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {\n Object.defineProperty(o, \"default\", { enumerable: true, value: v });\n}) : function(o, v) {\n o[\"default\"] = v;\n});"
- };
- // emit output for the __export helper function
- var exportStarHelper = {
- name: "typescript:export-star",
- importName: "__exportStar",
- scoped: false,
- dependencies: [ts.createBindingHelper],
- priority: 2,
- text: "\n var __exportStar = (this && this.__exportStar) || function(m, exports) {\n for (var p in m) if (p !== \"default\" && !exports.hasOwnProperty(p)) __createBinding(exports, m, p);\n };"
- };
- function createExportStarHelper(context, module) {
- context.requestEmitHelper(exportStarHelper);
- return ts.createCall(ts.getUnscopedHelperName("__exportStar"), /*typeArguments*/ undefined, [module, ts.createIdentifier("exports")]);
- }
- // emit helper for dynamic import
- var dynamicImportUMDHelper = {
- name: "typescript:dynamicimport-sync-require",
- scoped: true,
- text: "\n var __syncRequire = typeof module === \"object\" && typeof module.exports === \"object\";"
- };
- // emit helper for `import * as Name from "foo"`
- ts.importStarHelper = {
- name: "typescript:commonjsimportstar",
- importName: "__importStar",
- scoped: false,
- dependencies: [ts.createBindingHelper, ts.setModuleDefaultHelper],
- priority: 2,
- text: "\nvar __importStar = (this && this.__importStar) || function (mod) {\n if (mod && mod.__esModule) return mod;\n var result = {};\n if (mod != null) for (var k in mod) if (k !== \"default\" && Object.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);\n __setModuleDefault(result, mod);\n return result;\n};"
- };
- // emit helper for `import Name from "foo"`
- ts.importDefaultHelper = {
- name: "typescript:commonjsimportdefault",
- importName: "__importDefault",
- scoped: false,
- text: "\nvar __importDefault = (this && this.__importDefault) || function (mod) {\n return (mod && mod.__esModule) ? mod : { \"default\": mod };\n};"
- };
-})(ts || (ts = {}));
-/*@internal*/
-var ts;
-(function (ts) {
- function transformSystemModule(context) {
- var startLexicalEnvironment = context.startLexicalEnvironment, endLexicalEnvironment = context.endLexicalEnvironment, hoistVariableDeclaration = context.hoistVariableDeclaration;
- var compilerOptions = context.getCompilerOptions();
- var resolver = context.getEmitResolver();
- var host = context.getEmitHost();
- var previousOnSubstituteNode = context.onSubstituteNode;
- var previousOnEmitNode = context.onEmitNode;
- context.onSubstituteNode = onSubstituteNode;
- context.onEmitNode = onEmitNode;
- context.enableSubstitution(75 /* Identifier */); // Substitutes expression identifiers for imported symbols.
- context.enableSubstitution(282 /* ShorthandPropertyAssignment */); // Substitutes expression identifiers for imported symbols
- context.enableSubstitution(209 /* BinaryExpression */); // Substitutes assignments to exported symbols.
- context.enableSubstitution(207 /* PrefixUnaryExpression */); // Substitutes updates to exported symbols.
- context.enableSubstitution(208 /* PostfixUnaryExpression */); // Substitutes updates to exported symbols.
- context.enableSubstitution(219 /* MetaProperty */); // Substitutes 'import.meta'
- context.enableEmitNotification(290 /* SourceFile */); // Restore state when substituting nodes in a file.
- var moduleInfoMap = []; // The ExternalModuleInfo for each file.
- var deferredExports = []; // Exports to defer until an EndOfDeclarationMarker is found.
- var exportFunctionsMap = []; // The export function associated with a source file.
- var noSubstitutionMap = []; // Set of nodes for which substitution rules should be ignored for each file.
- var contextObjectMap = []; // The context object associated with a source file.
- var currentSourceFile; // The current file.
- var moduleInfo; // ExternalModuleInfo for the current file.
- var exportFunction; // The export function for the current file.
- var contextObject; // The context object for the current file.
- var hoistedStatements;
- var enclosingBlockScopedContainer;
- var noSubstitution; // Set of nodes for which substitution rules should be ignored.
- return ts.chainBundle(transformSourceFile);
- /**
- * Transforms the module aspects of a SourceFile.
- *
- * @param node The SourceFile node.
- */
- function transformSourceFile(node) {
- if (node.isDeclarationFile || !(ts.isEffectiveExternalModule(node, compilerOptions) || node.transformFlags & 2097152 /* ContainsDynamicImport */)) {
- return node;
- }
- var id = ts.getOriginalNodeId(node);
- currentSourceFile = node;
- enclosingBlockScopedContainer = node;
- // System modules have the following shape:
- //
- // System.register(['dep-1', ... 'dep-n'], function(exports) {/* module body function */})
- //
- // The parameter 'exports' here is a callback '<T>(name: string, value: T) => T' that
- // is used to publish exported values. 'exports' returns its 'value' argument so in
- // most cases expressions that mutate exported values can be rewritten as:
- //
- // expr -> exports('name', expr)
- //
- // The only exception in this rule is postfix unary operators,
- // see comment to 'substitutePostfixUnaryExpression' for more details
- // Collect information about the external module and dependency groups.
- moduleInfo = moduleInfoMap[id] = ts.collectExternalModuleInfo(node, resolver, compilerOptions);
- // Make sure that the name of the 'exports' function does not conflict with
- // existing identifiers.
- exportFunction = ts.createUniqueName("exports");
- exportFunctionsMap[id] = exportFunction;
- contextObject = contextObjectMap[id] = ts.createUniqueName("context");
- // Add the body of the module.
- var dependencyGroups = collectDependencyGroups(moduleInfo.externalImports);
- var moduleBodyBlock = createSystemModuleBody(node, dependencyGroups);
- var moduleBodyFunction = ts.createFunctionExpression(
- /*modifiers*/ undefined,
- /*asteriskToken*/ undefined,
- /*name*/ undefined,
- /*typeParameters*/ undefined, [
- ts.createParameter(/*decorators*/ undefined, /*modifiers*/ undefined, /*dotDotDotToken*/ undefined, exportFunction),
- ts.createParameter(/*decorators*/ undefined, /*modifiers*/ undefined, /*dotDotDotToken*/ undefined, contextObject)
- ],
- /*type*/ undefined, moduleBodyBlock);
- // Write the call to `System.register`
- // Clear the emit-helpers flag for later passes since we'll have already used it in the module body
- // So the helper will be emit at the correct position instead of at the top of the source-file
- var moduleName = ts.tryGetModuleNameFromFile(node, host, compilerOptions);
- var dependencies = ts.createArrayLiteral(ts.map(dependencyGroups, function (dependencyGroup) { return dependencyGroup.name; }));
- var updated = ts.setEmitFlags(ts.updateSourceFileNode(node, ts.setTextRange(ts.createNodeArray([
- ts.createExpressionStatement(ts.createCall(ts.createPropertyAccess(ts.createIdentifier("System"), "register"),
- /*typeArguments*/ undefined, moduleName
- ? [moduleName, dependencies, moduleBodyFunction]
- : [dependencies, moduleBodyFunction]))
- ]), node.statements)), 1024 /* NoTrailingComments */);
- if (!(compilerOptions.outFile || compilerOptions.out)) {
- ts.moveEmitHelpers(updated, moduleBodyBlock, function (helper) { return !helper.scoped; });
- }
- if (noSubstitution) {
- noSubstitutionMap[id] = noSubstitution;
- noSubstitution = undefined;
- }
- currentSourceFile = undefined;
- moduleInfo = undefined;
- exportFunction = undefined;
- contextObject = undefined;
- hoistedStatements = undefined;
- enclosingBlockScopedContainer = undefined;
- return ts.aggregateTransformFlags(updated);
- }
- /**
- * Collects the dependency groups for this files imports.
- *
- * @param externalImports The imports for the file.
- */
- function collectDependencyGroups(externalImports) {
- var groupIndices = ts.createMap();
- var dependencyGroups = [];
- for (var _i = 0, externalImports_1 = externalImports; _i < externalImports_1.length; _i++) {
- var externalImport = externalImports_1[_i];
- var externalModuleName = ts.getExternalModuleNameLiteral(externalImport, currentSourceFile, host, resolver, compilerOptions);
- if (externalModuleName) {
- var text = externalModuleName.text;
- var groupIndex = groupIndices.get(text);
- if (groupIndex !== undefined) {
- // deduplicate/group entries in dependency list by the dependency name
- dependencyGroups[groupIndex].externalImports.push(externalImport);
- }
- else {
- groupIndices.set(text, dependencyGroups.length);
- dependencyGroups.push({
- name: externalModuleName,
- externalImports: [externalImport]
- });
- }
- }
- }
- return dependencyGroups;
- }
- /**
- * Adds the statements for the module body function for the source file.
- *
- * @param node The source file for the module.
- * @param dependencyGroups The grouped dependencies of the module.
- */
- function createSystemModuleBody(node, dependencyGroups) {
- // Shape of the body in system modules:
- //
- // function (exports) {
- // <list of local aliases for imports>
- // <hoisted variable declarations>
- // <hoisted function declarations>
- // return {
- // setters: [
- // <list of setter function for imports>
- // ],
- // execute: function() {
- // <module statements>
- // }
- // }
- // <temp declarations>
- // }
- //
- // i.e:
- //
- // import {x} from 'file1'
- // var y = 1;
- // export function foo() { return y + x(); }
- // console.log(y);
- //
- // Will be transformed to:
- //
- // function(exports) {
- // function foo() { return y + file_1.x(); }
- // exports("foo", foo);
- // var file_1, y;
- // return {
- // setters: [
- // function(v) { file_1 = v }
- // ],
- // execute(): function() {
- // y = 1;
- // console.log(y);
- // }
- // };
- // }
- var statements = [];
- // We start a new lexical environment in this function body, but *not* in the
- // body of the execute function. This allows us to emit temporary declarations
- // only in the outer module body and not in the inner one.
- startLexicalEnvironment();
- // Add any prologue directives.
- var ensureUseStrict = ts.getStrictOptionValue(compilerOptions, "alwaysStrict") || (!compilerOptions.noImplicitUseStrict && ts.isExternalModule(currentSourceFile));
- var statementOffset = ts.addPrologue(statements, node.statements, ensureUseStrict, sourceElementVisitor);
- // var __moduleName = context_1 && context_1.id;
- statements.push(ts.createVariableStatement(
- /*modifiers*/ undefined, ts.createVariableDeclarationList([
- ts.createVariableDeclaration("__moduleName",
- /*type*/ undefined, ts.createLogicalAnd(contextObject, ts.createPropertyAccess(contextObject, "id")))
- ])));
- // Visit the synthetic external helpers import declaration if present
- ts.visitNode(moduleInfo.externalHelpersImportDeclaration, sourceElementVisitor, ts.isStatement);
- // Visit the statements of the source file, emitting any transformations into
- // the `executeStatements` array. We do this *before* we fill the `setters` array
- // as we both emit transformations as well as aggregate some data used when creating
- // setters. This allows us to reduce the number of times we need to loop through the
- // statements of the source file.
- var executeStatements = ts.visitNodes(node.statements, sourceElementVisitor, ts.isStatement, statementOffset);
- // Emit early exports for function declarations.
- ts.addRange(statements, hoistedStatements);
- // We emit hoisted variables early to align roughly with our previous emit output.
- // Two key differences in this approach are:
- // - Temporary variables will appear at the top rather than at the bottom of the file
- ts.insertStatementsAfterStandardPrologue(statements, endLexicalEnvironment());
- var exportStarFunction = addExportStarIfNeeded(statements); // TODO: GH#18217
- var modifiers = node.transformFlags & 524288 /* ContainsAwait */ ?
- ts.createModifiersFromModifierFlags(256 /* Async */) :
- undefined;
- var moduleObject = ts.createObjectLiteral([
- ts.createPropertyAssignment("setters", createSettersArray(exportStarFunction, dependencyGroups)),
- ts.createPropertyAssignment("execute", ts.createFunctionExpression(modifiers,
- /*asteriskToken*/ undefined,
- /*name*/ undefined,
- /*typeParameters*/ undefined,
- /*parameters*/ [],
- /*type*/ undefined, ts.createBlock(executeStatements, /*multiLine*/ true)))
- ]);
- moduleObject.multiLine = true;
- statements.push(ts.createReturn(moduleObject));
- return ts.createBlock(statements, /*multiLine*/ true);
- }
- /**
- * Adds an exportStar function to a statement list if it is needed for the file.
- *
- * @param statements A statement list.
- */
- function addExportStarIfNeeded(statements) {
- if (!moduleInfo.hasExportStarsToExportValues) {
- return;
- }
- // when resolving exports local exported entries/indirect exported entries in the module
- // should always win over entries with similar names that were added via star exports
- // to support this we store names of local/indirect exported entries in a set.
- // this set is used to filter names brought by star expors.
- // local names set should only be added if we have anything exported
- if (!moduleInfo.exportedNames && moduleInfo.exportSpecifiers.size === 0) {
- // no exported declarations (export var ...) or export specifiers (export {x})
- // check if we have any non star export declarations.
- var hasExportDeclarationWithExportClause = false;
- for (var _i = 0, _a = moduleInfo.externalImports; _i < _a.length; _i++) {
- var externalImport = _a[_i];
- if (externalImport.kind === 260 /* ExportDeclaration */ && externalImport.exportClause) {
- hasExportDeclarationWithExportClause = true;
- break;
- }
- }
- if (!hasExportDeclarationWithExportClause) {
- // we still need to emit exportStar helper
- var exportStarFunction_1 = createExportStarFunction(/*localNames*/ undefined);
- statements.push(exportStarFunction_1);
- return exportStarFunction_1.name;
- }
- }
- var exportedNames = [];
- if (moduleInfo.exportedNames) {
- for (var _b = 0, _c = moduleInfo.exportedNames; _b < _c.length; _b++) {
- var exportedLocalName = _c[_b];
- if (exportedLocalName.escapedText === "default") {
- continue;
- }
- // write name of exported declaration, i.e 'export var x...'
- exportedNames.push(ts.createPropertyAssignment(ts.createLiteral(exportedLocalName), ts.createTrue()));
- }
- }
- for (var _d = 0, _e = moduleInfo.externalImports; _d < _e.length; _d++) {
- var externalImport = _e[_d];
- if (externalImport.kind !== 260 /* ExportDeclaration */) {
- continue;
- }
- if (!externalImport.exportClause) {
- // export * from ...
- continue;
- }
- if (ts.isNamedExports(externalImport.exportClause)) {
- for (var _f = 0, _g = externalImport.exportClause.elements; _f < _g.length; _f++) {
- var element = _g[_f];
- // write name of indirectly exported entry, i.e. 'export {x} from ...'
- exportedNames.push(ts.createPropertyAssignment(ts.createLiteral(ts.idText(element.name || element.propertyName)), ts.createTrue()));
- }
- }
- else {
- exportedNames.push(ts.createPropertyAssignment(ts.createLiteral(ts.idText(externalImport.exportClause.name)), ts.createTrue()));
- }
- }
- var exportedNamesStorageRef = ts.createUniqueName("exportedNames");
- statements.push(ts.createVariableStatement(
- /*modifiers*/ undefined, ts.createVariableDeclarationList([
- ts.createVariableDeclaration(exportedNamesStorageRef,
- /*type*/ undefined, ts.createObjectLiteral(exportedNames, /*multiline*/ true))
- ])));
- var exportStarFunction = createExportStarFunction(exportedNamesStorageRef);
- statements.push(exportStarFunction);
- return exportStarFunction.name;
- }
- /**
- * Creates an exportStar function for the file, with an optional set of excluded local
- * names.
- *
- * @param localNames An optional reference to an object containing a set of excluded local
- * names.
- */
- function createExportStarFunction(localNames) {
- var exportStarFunction = ts.createUniqueName("exportStar");
- var m = ts.createIdentifier("m");
- var n = ts.createIdentifier("n");
- var exports = ts.createIdentifier("exports");
- var condition = ts.createStrictInequality(n, ts.createLiteral("default"));
- if (localNames) {
- condition = ts.createLogicalAnd(condition, ts.createLogicalNot(ts.createCall(ts.createPropertyAccess(localNames, "hasOwnProperty"),
- /*typeArguments*/ undefined, [n])));
- }
- return ts.createFunctionDeclaration(
- /*decorators*/ undefined,
- /*modifiers*/ undefined,
- /*asteriskToken*/ undefined, exportStarFunction,
- /*typeParameters*/ undefined, [ts.createParameter(/*decorators*/ undefined, /*modifiers*/ undefined, /*dotDotDotToken*/ undefined, m)],
- /*type*/ undefined, ts.createBlock([
- ts.createVariableStatement(
- /*modifiers*/ undefined, ts.createVariableDeclarationList([
- ts.createVariableDeclaration(exports,
- /*type*/ undefined, ts.createObjectLiteral([]))
- ])),
- ts.createForIn(ts.createVariableDeclarationList([
- ts.createVariableDeclaration(n, /*type*/ undefined)
- ]), m, ts.createBlock([
- ts.setEmitFlags(ts.createIf(condition, ts.createExpressionStatement(ts.createAssignment(ts.createElementAccess(exports, n), ts.createElementAccess(m, n)))), 1 /* SingleLine */)
- ])),
- ts.createExpressionStatement(ts.createCall(exportFunction,
- /*typeArguments*/ undefined, [exports]))
- ], /*multiline*/ true));
- }
- /**
- * Creates an array setter callbacks for each dependency group.
- *
- * @param exportStarFunction A reference to an exportStarFunction for the file.
- * @param dependencyGroups An array of grouped dependencies.
- */
- function createSettersArray(exportStarFunction, dependencyGroups) {
- var setters = [];
- for (var _i = 0, dependencyGroups_1 = dependencyGroups; _i < dependencyGroups_1.length; _i++) {
- var group_2 = dependencyGroups_1[_i];
- // derive a unique name for parameter from the first named entry in the group
- var localName = ts.forEach(group_2.externalImports, function (i) { return ts.getLocalNameForExternalImport(i, currentSourceFile); });
- var parameterName = localName ? ts.getGeneratedNameForNode(localName) : ts.createUniqueName("");
- var statements = [];
- for (var _a = 0, _b = group_2.externalImports; _a < _b.length; _a++) {
- var entry = _b[_a];
- var importVariableName = ts.getLocalNameForExternalImport(entry, currentSourceFile); // TODO: GH#18217
- switch (entry.kind) {
- case 254 /* ImportDeclaration */:
- if (!entry.importClause) {
- // 'import "..."' case
- // module is imported only for side-effects, no emit required
- break;
- }
- // falls through
- case 253 /* ImportEqualsDeclaration */:
- ts.Debug.assert(importVariableName !== undefined);
- // save import into the local
- statements.push(ts.createExpressionStatement(ts.createAssignment(importVariableName, parameterName)));
- break;
- case 260 /* ExportDeclaration */:
- ts.Debug.assert(importVariableName !== undefined);
- if (entry.exportClause) {
- if (ts.isNamedExports(entry.exportClause)) {
- // export {a, b as c} from 'foo'
- //
- // emit as:
- //
- // exports_({
- // "a": _["a"],
- // "c": _["b"]
- // });
- var properties = [];
- for (var _c = 0, _d = entry.exportClause.elements; _c < _d.length; _c++) {
- var e = _d[_c];
- properties.push(ts.createPropertyAssignment(ts.createLiteral(ts.idText(e.name)), ts.createElementAccess(parameterName, ts.createLiteral(ts.idText(e.propertyName || e.name)))));
- }
- statements.push(ts.createExpressionStatement(ts.createCall(exportFunction,
- /*typeArguments*/ undefined, [ts.createObjectLiteral(properties, /*multiline*/ true)])));
- }
- else {
- statements.push(ts.createExpressionStatement(ts.createCall(exportFunction,
- /*typeArguments*/ undefined, [
- ts.createLiteral(ts.idText(entry.exportClause.name)),
- parameterName
- ])));
- }
- }
- else {
- // export * from 'foo'
- //
- // emit as:
- //
- // exportStar(foo_1_1);
- statements.push(ts.createExpressionStatement(ts.createCall(exportStarFunction,
- /*typeArguments*/ undefined, [parameterName])));
- }
- break;
- }
- }
- setters.push(ts.createFunctionExpression(
- /*modifiers*/ undefined,
- /*asteriskToken*/ undefined,
- /*name*/ undefined,
- /*typeParameters*/ undefined, [ts.createParameter(/*decorators*/ undefined, /*modifiers*/ undefined, /*dotDotDotToken*/ undefined, parameterName)],
- /*type*/ undefined, ts.createBlock(statements, /*multiLine*/ true)));
- }
- return ts.createArrayLiteral(setters, /*multiLine*/ true);
- }
- //
- // Top-level Source Element Visitors
- //
- /**
- * Visit source elements at the top-level of a module.
- *
- * @param node The node to visit.
- */
- function sourceElementVisitor(node) {
- switch (node.kind) {
- case 254 /* ImportDeclaration */:
- return visitImportDeclaration(node);
- case 253 /* ImportEqualsDeclaration */:
- return visitImportEqualsDeclaration(node);
- case 260 /* ExportDeclaration */:
- return visitExportDeclaration(node);
- case 259 /* ExportAssignment */:
- return visitExportAssignment(node);
- default:
- return nestedElementVisitor(node);
- }
- }
- /**
- * Visits an ImportDeclaration node.
- *
- * @param node The node to visit.
- */
- function visitImportDeclaration(node) {
- var statements;
- if (node.importClause) {
- hoistVariableDeclaration(ts.getLocalNameForExternalImport(node, currentSourceFile)); // TODO: GH#18217
- }
- if (hasAssociatedEndOfDeclarationMarker(node)) {
- // Defer exports until we encounter an EndOfDeclarationMarker node
- var id = ts.getOriginalNodeId(node);
- deferredExports[id] = appendExportsOfImportDeclaration(deferredExports[id], node);
- }
- else {
- statements = appendExportsOfImportDeclaration(statements, node);
- }
- return ts.singleOrMany(statements);
- }
- function visitExportDeclaration(node) {
- ts.Debug.assertIsDefined(node);
- return undefined;
- }
- /**
- * Visits an ImportEqualsDeclaration node.
- *
- * @param node The node to visit.
- */
- function visitImportEqualsDeclaration(node) {
- ts.Debug.assert(ts.isExternalModuleImportEqualsDeclaration(node), "import= for internal module references should be handled in an earlier transformer.");
- var statements;
- hoistVariableDeclaration(ts.getLocalNameForExternalImport(node, currentSourceFile)); // TODO: GH#18217
- if (hasAssociatedEndOfDeclarationMarker(node)) {
- // Defer exports until we encounter an EndOfDeclarationMarker node
- var id = ts.getOriginalNodeId(node);
- deferredExports[id] = appendExportsOfImportEqualsDeclaration(deferredExports[id], node);
- }
- else {
- statements = appendExportsOfImportEqualsDeclaration(statements, node);
- }
- return ts.singleOrMany(statements);
- }
- /**
- * Visits an ExportAssignment node.
- *
- * @param node The node to visit.
- */
- function visitExportAssignment(node) {
- if (node.isExportEquals) {
- // Elide `export=` as it is illegal in a SystemJS module.
- return undefined;
- }
- var expression = ts.visitNode(node.expression, destructuringAndImportCallVisitor, ts.isExpression);
- var original = node.original;
- if (original && hasAssociatedEndOfDeclarationMarker(original)) {
- // Defer exports until we encounter an EndOfDeclarationMarker node
- var id = ts.getOriginalNodeId(node);
- deferredExports[id] = appendExportStatement(deferredExports[id], ts.createIdentifier("default"), expression, /*allowComments*/ true);
- }
- else {
- return createExportStatement(ts.createIdentifier("default"), expression, /*allowComments*/ true);
- }
- }
- /**
- * Visits a FunctionDeclaration, hoisting it to the outer module body function.
- *
- * @param node The node to visit.
- */
- function visitFunctionDeclaration(node) {
- if (ts.hasModifier(node, 1 /* Export */)) {
- hoistedStatements = ts.append(hoistedStatements, ts.updateFunctionDeclaration(node, node.decorators, ts.visitNodes(node.modifiers, modifierVisitor, ts.isModifier), node.asteriskToken, ts.getDeclarationName(node, /*allowComments*/ true, /*allowSourceMaps*/ true),
- /*typeParameters*/ undefined, ts.visitNodes(node.parameters, destructuringAndImportCallVisitor, ts.isParameterDeclaration),
- /*type*/ undefined, ts.visitNode(node.body, destructuringAndImportCallVisitor, ts.isBlock)));
- }
- else {
- hoistedStatements = ts.append(hoistedStatements, ts.visitEachChild(node, destructuringAndImportCallVisitor, context));
- }
- if (hasAssociatedEndOfDeclarationMarker(node)) {
- // Defer exports until we encounter an EndOfDeclarationMarker node
- var id = ts.getOriginalNodeId(node);
- deferredExports[id] = appendExportsOfHoistedDeclaration(deferredExports[id], node);
- }
- else {
- hoistedStatements = appendExportsOfHoistedDeclaration(hoistedStatements, node);
- }
- return undefined;
- }
- /**
- * Visits a ClassDeclaration, hoisting its name to the outer module body function.
- *
- * @param node The node to visit.
- */
- function visitClassDeclaration(node) {
- var statements;
- // Hoist the name of the class declaration to the outer module body function.
- var name = ts.getLocalName(node);
- hoistVariableDeclaration(name);
- // Rewrite the class declaration into an assignment of a class expression.
- statements = ts.append(statements, ts.setTextRange(ts.createExpressionStatement(ts.createAssignment(name, ts.setTextRange(ts.createClassExpression(
- /*modifiers*/ undefined, node.name,
- /*typeParameters*/ undefined, ts.visitNodes(node.heritageClauses, destructuringAndImportCallVisitor, ts.isHeritageClause), ts.visitNodes(node.members, destructuringAndImportCallVisitor, ts.isClassElement)), node))), node));
- if (hasAssociatedEndOfDeclarationMarker(node)) {
- // Defer exports until we encounter an EndOfDeclarationMarker node
- var id = ts.getOriginalNodeId(node);
- deferredExports[id] = appendExportsOfHoistedDeclaration(deferredExports[id], node);
- }
- else {
- statements = appendExportsOfHoistedDeclaration(statements, node);
- }
- return ts.singleOrMany(statements);
- }
- /**
- * Visits a variable statement, hoisting declared names to the top-level module body.
- * Each declaration is rewritten into an assignment expression.
- *
- * @param node The node to visit.
- */
- function visitVariableStatement(node) {
- if (!shouldHoistVariableDeclarationList(node.declarationList)) {
- return ts.visitNode(node, destructuringAndImportCallVisitor, ts.isStatement);
- }
- var expressions;
- var isExportedDeclaration = ts.hasModifier(node, 1 /* Export */);
- var isMarkedDeclaration = hasAssociatedEndOfDeclarationMarker(node);
- for (var _i = 0, _a = node.declarationList.declarations; _i < _a.length; _i++) {
- var variable = _a[_i];
- if (variable.initializer) {
- expressions = ts.append(expressions, transformInitializedVariable(variable, isExportedDeclaration && !isMarkedDeclaration));
- }
- else {
- hoistBindingElement(variable);
- }
- }
- var statements;
- if (expressions) {
- statements = ts.append(statements, ts.setTextRange(ts.createExpressionStatement(ts.inlineExpressions(expressions)), node));
- }
- if (isMarkedDeclaration) {
- // Defer exports until we encounter an EndOfDeclarationMarker node
- var id = ts.getOriginalNodeId(node);
- deferredExports[id] = appendExportsOfVariableStatement(deferredExports[id], node, isExportedDeclaration);
- }
- else {
- statements = appendExportsOfVariableStatement(statements, node, /*exportSelf*/ false);
- }
- return ts.singleOrMany(statements);
- }
- /**
- * Hoists the declared names of a VariableDeclaration or BindingElement.
- *
- * @param node The declaration to hoist.
- */
- function hoistBindingElement(node) {
- if (ts.isBindingPattern(node.name)) {
- for (var _i = 0, _a = node.name.elements; _i < _a.length; _i++) {
- var element = _a[_i];
- if (!ts.isOmittedExpression(element)) {
- hoistBindingElement(element);
- }
- }
- }
- else {
- hoistVariableDeclaration(ts.getSynthesizedClone(node.name));
- }
- }
- /**
- * Determines whether a VariableDeclarationList should be hoisted.
- *
- * @param node The node to test.
- */
- function shouldHoistVariableDeclarationList(node) {
- // hoist only non-block scoped declarations or block scoped declarations parented by source file
- return (ts.getEmitFlags(node) & 2097152 /* NoHoisting */) === 0
- && (enclosingBlockScopedContainer.kind === 290 /* SourceFile */
- || (ts.getOriginalNode(node).flags & 3 /* BlockScoped */) === 0);
- }
- /**
- * Transform an initialized variable declaration into an expression.
- *
- * @param node The node to transform.
- * @param isExportedDeclaration A value indicating whether the variable is exported.
- */
- function transformInitializedVariable(node, isExportedDeclaration) {
- var createAssignment = isExportedDeclaration ? createExportedVariableAssignment : createNonExportedVariableAssignment;
- return ts.isBindingPattern(node.name)
- ? ts.flattenDestructuringAssignment(node, destructuringAndImportCallVisitor, context, 0 /* All */,
- /*needsValue*/ false, createAssignment)
- : node.initializer ? createAssignment(node.name, ts.visitNode(node.initializer, destructuringAndImportCallVisitor, ts.isExpression)) : node.name;
- }
- /**
- * Creates an assignment expression for an exported variable declaration.
- *
- * @param name The name of the variable.
- * @param value The value of the variable's initializer.
- * @param location The source map location for the assignment.
- */
- function createExportedVariableAssignment(name, value, location) {
- return createVariableAssignment(name, value, location, /*isExportedDeclaration*/ true);
- }
- /**
- * Creates an assignment expression for a non-exported variable declaration.
- *
- * @param name The name of the variable.
- * @param value The value of the variable's initializer.
- * @param location The source map location for the assignment.
- */
- function createNonExportedVariableAssignment(name, value, location) {
- return createVariableAssignment(name, value, location, /*isExportedDeclaration*/ false);
- }
- /**
- * Creates an assignment expression for a variable declaration.
- *
- * @param name The name of the variable.
- * @param value The value of the variable's initializer.
- * @param location The source map location for the assignment.
- * @param isExportedDeclaration A value indicating whether the variable is exported.
- */
- function createVariableAssignment(name, value, location, isExportedDeclaration) {
- hoistVariableDeclaration(ts.getSynthesizedClone(name));
- return isExportedDeclaration
- ? createExportExpression(name, preventSubstitution(ts.setTextRange(ts.createAssignment(name, value), location)))
- : preventSubstitution(ts.setTextRange(ts.createAssignment(name, value), location));
- }
- /**
- * Visits a MergeDeclarationMarker used as a placeholder for the beginning of a merged
- * and transformed declaration.
- *
- * @param node The node to visit.
- */
- function visitMergeDeclarationMarker(node) {
- // For an EnumDeclaration or ModuleDeclaration that merges with a preceeding
- // declaration we do not emit a leading variable declaration. To preserve the
- // begin/end semantics of the declararation and to properly handle exports
- // we wrapped the leading variable declaration in a `MergeDeclarationMarker`.
- //
- // To balance the declaration, we defer the exports of the elided variable
- // statement until we visit this declaration's `EndOfDeclarationMarker`.
- if (hasAssociatedEndOfDeclarationMarker(node) && node.original.kind === 225 /* VariableStatement */) {
- var id = ts.getOriginalNodeId(node);
- var isExportedDeclaration = ts.hasModifier(node.original, 1 /* Export */);
- deferredExports[id] = appendExportsOfVariableStatement(deferredExports[id], node.original, isExportedDeclaration);
- }
- return node;
- }
- /**
- * Determines whether a node has an associated EndOfDeclarationMarker.
- *
- * @param node The node to test.
- */
- function hasAssociatedEndOfDeclarationMarker(node) {
- return (ts.getEmitFlags(node) & 4194304 /* HasEndOfDeclarationMarker */) !== 0;
- }
- /**
- * Visits a DeclarationMarker used as a placeholder for the end of a transformed
- * declaration.
- *
- * @param node The node to visit.
- */
- function visitEndOfDeclarationMarker(node) {
- // For some transformations we emit an `EndOfDeclarationMarker` to mark the actual
- // end of the transformed declaration. We use this marker to emit any deferred exports
- // of the declaration.
- var id = ts.getOriginalNodeId(node);
- var statements = deferredExports[id];
- if (statements) {
- delete deferredExports[id];
- return ts.append(statements, node);
- }
- else {
- var original = ts.getOriginalNode(node);
- if (ts.isModuleOrEnumDeclaration(original)) {
- return ts.append(appendExportsOfDeclaration(statements, original), node);
- }
- }
- return node;
- }
- /**
- * Appends the exports of an ImportDeclaration to a statement list, returning the
- * statement list.
- *
- * @param statements A statement list to which the down-level export statements are to be
- * appended. If `statements` is `undefined`, a new array is allocated if statements are
- * appended.
- * @param decl The declaration whose exports are to be recorded.
- */
- function appendExportsOfImportDeclaration(statements, decl) {
- if (moduleInfo.exportEquals) {
- return statements;
- }
- var importClause = decl.importClause;
- if (!importClause) {
- return statements;
- }
- if (importClause.name) {
- statements = appendExportsOfDeclaration(statements, importClause);
- }
- var namedBindings = importClause.namedBindings;
- if (namedBindings) {
- switch (namedBindings.kind) {
- case 256 /* NamespaceImport */:
- statements = appendExportsOfDeclaration(statements, namedBindings);
- break;
- case 257 /* NamedImports */:
- for (var _i = 0, _a = namedBindings.elements; _i < _a.length; _i++) {
- var importBinding = _a[_i];
- statements = appendExportsOfDeclaration(statements, importBinding);
- }
- break;
- }
- }
- return statements;
- }
- /**
- * Appends the export of an ImportEqualsDeclaration to a statement list, returning the
- * statement list.
- *
- * @param statements A statement list to which the down-level export statements are to be
- * appended. If `statements` is `undefined`, a new array is allocated if statements are
- * appended.
- * @param decl The declaration whose exports are to be recorded.
- */
- function appendExportsOfImportEqualsDeclaration(statements, decl) {
- if (moduleInfo.exportEquals) {
- return statements;
- }
- return appendExportsOfDeclaration(statements, decl);
- }
- /**
- * Appends the exports of a VariableStatement to a statement list, returning the statement
- * list.
- *
- * @param statements A statement list to which the down-level export statements are to be
- * appended. If `statements` is `undefined`, a new array is allocated if statements are
- * appended.
- * @param node The VariableStatement whose exports are to be recorded.
- * @param exportSelf A value indicating whether to also export each VariableDeclaration of
- * `nodes` declaration list.
- */
- function appendExportsOfVariableStatement(statements, node, exportSelf) {
- if (moduleInfo.exportEquals) {
- return statements;
- }
- for (var _i = 0, _a = node.declarationList.declarations; _i < _a.length; _i++) {
- var decl = _a[_i];
- if (decl.initializer || exportSelf) {
- statements = appendExportsOfBindingElement(statements, decl, exportSelf);
- }
- }
- return statements;
- }
- /**
- * Appends the exports of a VariableDeclaration or BindingElement to a statement list,
- * returning the statement list.
- *
- * @param statements A statement list to which the down-level export statements are to be
- * appended. If `statements` is `undefined`, a new array is allocated if statements are
- * appended.
- * @param decl The declaration whose exports are to be recorded.
- * @param exportSelf A value indicating whether to also export the declaration itself.
- */
- function appendExportsOfBindingElement(statements, decl, exportSelf) {
- if (moduleInfo.exportEquals) {
- return statements;
- }
- if (ts.isBindingPattern(decl.name)) {
- for (var _i = 0, _a = decl.name.elements; _i < _a.length; _i++) {
- var element = _a[_i];
- if (!ts.isOmittedExpression(element)) {
- statements = appendExportsOfBindingElement(statements, element, exportSelf);
- }
- }
- }
- else if (!ts.isGeneratedIdentifier(decl.name)) {
- var excludeName = void 0;
- if (exportSelf) {
- statements = appendExportStatement(statements, decl.name, ts.getLocalName(decl));
- excludeName = ts.idText(decl.name);
- }
- statements = appendExportsOfDeclaration(statements, decl, excludeName);
- }
- return statements;
- }
- /**
- * Appends the exports of a ClassDeclaration or FunctionDeclaration to a statement list,
- * returning the statement list.
- *
- * @param statements A statement list to which the down-level export statements are to be
- * appended. If `statements` is `undefined`, a new array is allocated if statements are
- * appended.
- * @param decl The declaration whose exports are to be recorded.
- */
- function appendExportsOfHoistedDeclaration(statements, decl) {
- if (moduleInfo.exportEquals) {
- return statements;
- }
- var excludeName;
- if (ts.hasModifier(decl, 1 /* Export */)) {
- var exportName = ts.hasModifier(decl, 512 /* Default */) ? ts.createLiteral("default") : decl.name;
- statements = appendExportStatement(statements, exportName, ts.getLocalName(decl));
- excludeName = ts.getTextOfIdentifierOrLiteral(exportName);
- }
- if (decl.name) {
- statements = appendExportsOfDeclaration(statements, decl, excludeName);
- }
- return statements;
- }
- /**
- * Appends the exports of a declaration to a statement list, returning the statement list.
- *
- * @param statements A statement list to which the down-level export statements are to be
- * appended. If `statements` is `undefined`, a new array is allocated if statements are
- * appended.
- * @param decl The declaration to export.
- * @param excludeName An optional name to exclude from exports.
- */
- function appendExportsOfDeclaration(statements, decl, excludeName) {
- if (moduleInfo.exportEquals) {
- return statements;
- }
- var name = ts.getDeclarationName(decl);
- var exportSpecifiers = moduleInfo.exportSpecifiers.get(ts.idText(name));
- if (exportSpecifiers) {
- for (var _i = 0, exportSpecifiers_2 = exportSpecifiers; _i < exportSpecifiers_2.length; _i++) {
- var exportSpecifier = exportSpecifiers_2[_i];
- if (exportSpecifier.name.escapedText !== excludeName) {
- statements = appendExportStatement(statements, exportSpecifier.name, name);
- }
- }
- }
- return statements;
- }
- /**
- * Appends the down-level representation of an export to a statement list, returning the
- * statement list.
- *
- * @param statements A statement list to which the down-level export statements are to be
- * appended. If `statements` is `undefined`, a new array is allocated if statements are
- * appended.
- * @param exportName The name of the export.
- * @param expression The expression to export.
- * @param allowComments Whether to allow comments on the export.
- */
- function appendExportStatement(statements, exportName, expression, allowComments) {
- statements = ts.append(statements, createExportStatement(exportName, expression, allowComments));
- return statements;
- }
- /**
- * Creates a call to the current file's export function to export a value.
- *
- * @param name The bound name of the export.
- * @param value The exported value.
- * @param allowComments An optional value indicating whether to emit comments for the statement.
- */
- function createExportStatement(name, value, allowComments) {
- var statement = ts.createExpressionStatement(createExportExpression(name, value));
- ts.startOnNewLine(statement);
- if (!allowComments) {
- ts.setEmitFlags(statement, 1536 /* NoComments */);
- }
- return statement;
- }
- /**
- * Creates a call to the current file's export function to export a value.
- *
- * @param name The bound name of the export.
- * @param value The exported value.
- */
- function createExportExpression(name, value) {
- var exportName = ts.isIdentifier(name) ? ts.createLiteral(name) : name;
- ts.setEmitFlags(value, ts.getEmitFlags(value) | 1536 /* NoComments */);
- return ts.setCommentRange(ts.createCall(exportFunction, /*typeArguments*/ undefined, [exportName, value]), value);
- }
- //
- // Top-Level or Nested Source Element Visitors
- //
- /**
- * Visit nested elements at the top-level of a module.
- *
- * @param node The node to visit.
- */
- function nestedElementVisitor(node) {
- switch (node.kind) {
- case 225 /* VariableStatement */:
- return visitVariableStatement(node);
- case 244 /* FunctionDeclaration */:
- return visitFunctionDeclaration(node);
- case 245 /* ClassDeclaration */:
- return visitClassDeclaration(node);
- case 230 /* ForStatement */:
- return visitForStatement(node);
- case 231 /* ForInStatement */:
- return visitForInStatement(node);
- case 232 /* ForOfStatement */:
- return visitForOfStatement(node);
- case 228 /* DoStatement */:
- return visitDoStatement(node);
- case 229 /* WhileStatement */:
- return visitWhileStatement(node);
- case 238 /* LabeledStatement */:
- return visitLabeledStatement(node);
- case 236 /* WithStatement */:
- return visitWithStatement(node);
- case 237 /* SwitchStatement */:
- return visitSwitchStatement(node);
- case 251 /* CaseBlock */:
- return visitCaseBlock(node);
- case 277 /* CaseClause */:
- return visitCaseClause(node);
- case 278 /* DefaultClause */:
- return visitDefaultClause(node);
- case 240 /* TryStatement */:
- return visitTryStatement(node);
- case 280 /* CatchClause */:
- return visitCatchClause(node);
- case 223 /* Block */:
- return visitBlock(node);
- case 328 /* MergeDeclarationMarker */:
- return visitMergeDeclarationMarker(node);
- case 329 /* EndOfDeclarationMarker */:
- return visitEndOfDeclarationMarker(node);
- default:
- return destructuringAndImportCallVisitor(node);
- }
- }
- /**
- * Visits the body of a ForStatement to hoist declarations.
- *
- * @param node The node to visit.
- */
- function visitForStatement(node) {
- var savedEnclosingBlockScopedContainer = enclosingBlockScopedContainer;
- enclosingBlockScopedContainer = node;
- node = ts.updateFor(node, node.initializer && visitForInitializer(node.initializer), ts.visitNode(node.condition, destructuringAndImportCallVisitor, ts.isExpression), ts.visitNode(node.incrementor, destructuringAndImportCallVisitor, ts.isExpression), ts.visitNode(node.statement, nestedElementVisitor, ts.isStatement));
- enclosingBlockScopedContainer = savedEnclosingBlockScopedContainer;
- return node;
- }
- /**
- * Visits the body of a ForInStatement to hoist declarations.
- *
- * @param node The node to visit.
- */
- function visitForInStatement(node) {
- var savedEnclosingBlockScopedContainer = enclosingBlockScopedContainer;
- enclosingBlockScopedContainer = node;
- node = ts.updateForIn(node, visitForInitializer(node.initializer), ts.visitNode(node.expression, destructuringAndImportCallVisitor, ts.isExpression), ts.visitNode(node.statement, nestedElementVisitor, ts.isStatement, ts.liftToBlock));
- enclosingBlockScopedContainer = savedEnclosingBlockScopedContainer;
- return node;
- }
- /**
- * Visits the body of a ForOfStatement to hoist declarations.
- *
- * @param node The node to visit.
- */
- function visitForOfStatement(node) {
- var savedEnclosingBlockScopedContainer = enclosingBlockScopedContainer;
- enclosingBlockScopedContainer = node;
- node = ts.updateForOf(node, node.awaitModifier, visitForInitializer(node.initializer), ts.visitNode(node.expression, destructuringAndImportCallVisitor, ts.isExpression), ts.visitNode(node.statement, nestedElementVisitor, ts.isStatement, ts.liftToBlock));
- enclosingBlockScopedContainer = savedEnclosingBlockScopedContainer;
- return node;
- }
- /**
- * Determines whether to hoist the initializer of a ForStatement, ForInStatement, or
- * ForOfStatement.
- *
- * @param node The node to test.
- */
- function shouldHoistForInitializer(node) {
- return ts.isVariableDeclarationList(node)
- && shouldHoistVariableDeclarationList(node);
- }
- /**
- * Visits the initializer of a ForStatement, ForInStatement, or ForOfStatement
- *
- * @param node The node to visit.
- */
- function visitForInitializer(node) {
- if (shouldHoistForInitializer(node)) {
- var expressions = void 0;
- for (var _i = 0, _a = node.declarations; _i < _a.length; _i++) {
- var variable = _a[_i];
- expressions = ts.append(expressions, transformInitializedVariable(variable, /*isExportedDeclaration*/ false));
- if (!variable.initializer) {
- hoistBindingElement(variable);
- }
- }
- return expressions ? ts.inlineExpressions(expressions) : ts.createOmittedExpression();
- }
- else {
- return ts.visitEachChild(node, nestedElementVisitor, context);
- }
- }
- /**
- * Visits the body of a DoStatement to hoist declarations.
- *
- * @param node The node to visit.
- */
- function visitDoStatement(node) {
- return ts.updateDo(node, ts.visitNode(node.statement, nestedElementVisitor, ts.isStatement, ts.liftToBlock), ts.visitNode(node.expression, destructuringAndImportCallVisitor, ts.isExpression));
- }
- /**
- * Visits the body of a WhileStatement to hoist declarations.
- *
- * @param node The node to visit.
- */
- function visitWhileStatement(node) {
- return ts.updateWhile(node, ts.visitNode(node.expression, destructuringAndImportCallVisitor, ts.isExpression), ts.visitNode(node.statement, nestedElementVisitor, ts.isStatement, ts.liftToBlock));
- }
- /**
- * Visits the body of a LabeledStatement to hoist declarations.
- *
- * @param node The node to visit.
- */
- function visitLabeledStatement(node) {
- return ts.updateLabel(node, node.label, ts.visitNode(node.statement, nestedElementVisitor, ts.isStatement, ts.liftToBlock));
- }
- /**
- * Visits the body of a WithStatement to hoist declarations.
- *
- * @param node The node to visit.
- */
- function visitWithStatement(node) {
- return ts.updateWith(node, ts.visitNode(node.expression, destructuringAndImportCallVisitor, ts.isExpression), ts.visitNode(node.statement, nestedElementVisitor, ts.isStatement, ts.liftToBlock));
- }
- /**
- * Visits the body of a SwitchStatement to hoist declarations.
- *
- * @param node The node to visit.
- */
- function visitSwitchStatement(node) {
- return ts.updateSwitch(node, ts.visitNode(node.expression, destructuringAndImportCallVisitor, ts.isExpression), ts.visitNode(node.caseBlock, nestedElementVisitor, ts.isCaseBlock));
- }
- /**
- * Visits the body of a CaseBlock to hoist declarations.
- *
- * @param node The node to visit.
- */
- function visitCaseBlock(node) {
- var savedEnclosingBlockScopedContainer = enclosingBlockScopedContainer;
- enclosingBlockScopedContainer = node;
- node = ts.updateCaseBlock(node, ts.visitNodes(node.clauses, nestedElementVisitor, ts.isCaseOrDefaultClause));
- enclosingBlockScopedContainer = savedEnclosingBlockScopedContainer;
- return node;
- }
- /**
- * Visits the body of a CaseClause to hoist declarations.
- *
- * @param node The node to visit.
- */
- function visitCaseClause(node) {
- return ts.updateCaseClause(node, ts.visitNode(node.expression, destructuringAndImportCallVisitor, ts.isExpression), ts.visitNodes(node.statements, nestedElementVisitor, ts.isStatement));
- }
- /**
- * Visits the body of a DefaultClause to hoist declarations.
- *
- * @param node The node to visit.
- */
- function visitDefaultClause(node) {
- return ts.visitEachChild(node, nestedElementVisitor, context);
- }
- /**
- * Visits the body of a TryStatement to hoist declarations.
- *
- * @param node The node to visit.
- */
- function visitTryStatement(node) {
- return ts.visitEachChild(node, nestedElementVisitor, context);
- }
- /**
- * Visits the body of a CatchClause to hoist declarations.
- *
- * @param node The node to visit.
- */
- function visitCatchClause(node) {
- var savedEnclosingBlockScopedContainer = enclosingBlockScopedContainer;
- enclosingBlockScopedContainer = node;
- node = ts.updateCatchClause(node, node.variableDeclaration, ts.visitNode(node.block, nestedElementVisitor, ts.isBlock));
- enclosingBlockScopedContainer = savedEnclosingBlockScopedContainer;
- return node;
- }
- /**
- * Visits the body of a Block to hoist declarations.
- *
- * @param node The node to visit.
- */
- function visitBlock(node) {
- var savedEnclosingBlockScopedContainer = enclosingBlockScopedContainer;
- enclosingBlockScopedContainer = node;
- node = ts.visitEachChild(node, nestedElementVisitor, context);
- enclosingBlockScopedContainer = savedEnclosingBlockScopedContainer;
- return node;
- }
- //
- // Destructuring Assignment Visitors
- //
- /**
- * Visit nodes to flatten destructuring assignments to exported symbols.
- *
- * @param node The node to visit.
- */
- function destructuringAndImportCallVisitor(node) {
- if (ts.isDestructuringAssignment(node)) {
- return visitDestructuringAssignment(node);
- }
- else if (ts.isImportCall(node)) {
- return visitImportCallExpression(node);
- }
- else if ((node.transformFlags & 1024 /* ContainsDestructuringAssignment */) || (node.transformFlags & 2097152 /* ContainsDynamicImport */)) {
- return ts.visitEachChild(node, destructuringAndImportCallVisitor, context);
- }
- else {
- return node;
- }
- }
- function visitImportCallExpression(node) {
- // import("./blah")
- // emit as
- // System.register([], function (_export, _context) {
- // return {
- // setters: [],
- // execute: () => {
- // _context.import('./blah');
- // }
- // };
- // });
- return ts.createCall(ts.createPropertyAccess(contextObject, ts.createIdentifier("import")),
- /*typeArguments*/ undefined, ts.some(node.arguments) ? [ts.visitNode(node.arguments[0], destructuringAndImportCallVisitor)] : []);
- }
- /**
- * Visits a DestructuringAssignment to flatten destructuring to exported symbols.
- *
- * @param node The node to visit.
- */
- function visitDestructuringAssignment(node) {
- if (hasExportedReferenceInDestructuringTarget(node.left)) {
- return ts.flattenDestructuringAssignment(node, destructuringAndImportCallVisitor, context, 0 /* All */,
- /*needsValue*/ true);
- }
- return ts.visitEachChild(node, destructuringAndImportCallVisitor, context);
- }
- /**
- * Determines whether the target of a destructuring assigment refers to an exported symbol.
- *
- * @param node The destructuring target.
- */
- function hasExportedReferenceInDestructuringTarget(node) {
- if (ts.isAssignmentExpression(node, /*excludeCompoundAssignment*/ true)) {
- return hasExportedReferenceInDestructuringTarget(node.left);
- }
- else if (ts.isSpreadElement(node)) {
- return hasExportedReferenceInDestructuringTarget(node.expression);
- }
- else if (ts.isObjectLiteralExpression(node)) {
- return ts.some(node.properties, hasExportedReferenceInDestructuringTarget);
- }
- else if (ts.isArrayLiteralExpression(node)) {
- return ts.some(node.elements, hasExportedReferenceInDestructuringTarget);
- }
- else if (ts.isShorthandPropertyAssignment(node)) {
- return hasExportedReferenceInDestructuringTarget(node.name);
- }
- else if (ts.isPropertyAssignment(node)) {
- return hasExportedReferenceInDestructuringTarget(node.initializer);
- }
- else if (ts.isIdentifier(node)) {
- var container = resolver.getReferencedExportContainer(node);
- return container !== undefined && container.kind === 290 /* SourceFile */;
- }
- else {
- return false;
- }
- }
- //
- // Modifier Visitors
- //
- /**
- * Visit nodes to elide module-specific modifiers.
- *
- * @param node The node to visit.
- */
- function modifierVisitor(node) {
- switch (node.kind) {
- case 89 /* ExportKeyword */:
- case 84 /* DefaultKeyword */:
- return undefined;
- }
- return node;
- }
- //
- // Emit Notification
- //
- /**
- * Hook for node emit notifications.
- *
- * @param hint A hint as to the intended usage of the node.
- * @param node The node to emit.
- * @param emitCallback A callback used to emit the node in the printer.
- */
- function onEmitNode(hint, node, emitCallback) {
- if (node.kind === 290 /* SourceFile */) {
- var id = ts.getOriginalNodeId(node);
- currentSourceFile = node;
- moduleInfo = moduleInfoMap[id];
- exportFunction = exportFunctionsMap[id];
- noSubstitution = noSubstitutionMap[id];
- contextObject = contextObjectMap[id];
- if (noSubstitution) {
- delete noSubstitutionMap[id];
- }
- previousOnEmitNode(hint, node, emitCallback);
- currentSourceFile = undefined;
- moduleInfo = undefined;
- exportFunction = undefined;
- contextObject = undefined;
- noSubstitution = undefined;
- }
- else {
- previousOnEmitNode(hint, node, emitCallback);
- }
- }
- //
- // Substitutions
- //
- /**
- * Hooks node substitutions.
- *
- * @param hint A hint as to the intended usage of the node.
- * @param node The node to substitute.
- */
- function onSubstituteNode(hint, node) {
- node = previousOnSubstituteNode(hint, node);
- if (isSubstitutionPrevented(node)) {
- return node;
- }
- if (hint === 1 /* Expression */) {
- return substituteExpression(node);
- }
- else if (hint === 4 /* Unspecified */) {
- return substituteUnspecified(node);
- }
- return node;
- }
- /**
- * Substitute the node, if necessary.
- *
- * @param node The node to substitute.
- */
- function substituteUnspecified(node) {
- switch (node.kind) {
- case 282 /* ShorthandPropertyAssignment */:
- return substituteShorthandPropertyAssignment(node);
- }
- return node;
- }
- /**
- * Substitution for a ShorthandPropertyAssignment whose name that may contain an imported or exported symbol.
- *
- * @param node The node to substitute.
- */
- function substituteShorthandPropertyAssignment(node) {
- var name = node.name;
- if (!ts.isGeneratedIdentifier(name) && !ts.isLocalName(name)) {
- var importDeclaration = resolver.getReferencedImportDeclaration(name);
- if (importDeclaration) {
- if (ts.isImportClause(importDeclaration)) {
- return ts.setTextRange(ts.createPropertyAssignment(ts.getSynthesizedClone(name), ts.createPropertyAccess(ts.getGeneratedNameForNode(importDeclaration.parent), ts.createIdentifier("default"))),
- /*location*/ node);
- }
- else if (ts.isImportSpecifier(importDeclaration)) {
- return ts.setTextRange(ts.createPropertyAssignment(ts.getSynthesizedClone(name), ts.createPropertyAccess(ts.getGeneratedNameForNode(importDeclaration.parent.parent.parent), ts.getSynthesizedClone(importDeclaration.propertyName || importDeclaration.name))),
- /*location*/ node);
- }
- }
- }
- return node;
- }
- /**
- * Substitute the expression, if necessary.
- *
- * @param node The node to substitute.
- */
- function substituteExpression(node) {
- switch (node.kind) {
- case 75 /* Identifier */:
- return substituteExpressionIdentifier(node);
- case 209 /* BinaryExpression */:
- return substituteBinaryExpression(node);
- case 207 /* PrefixUnaryExpression */:
- case 208 /* PostfixUnaryExpression */:
- return substituteUnaryExpression(node);
- case 219 /* MetaProperty */:
- return substituteMetaProperty(node);
- }
- return node;
- }
- /**
- * Substitution for an Identifier expression that may contain an imported or exported symbol.
- *
- * @param node The node to substitute.
- */
- function substituteExpressionIdentifier(node) {
- if (ts.getEmitFlags(node) & 4096 /* HelperName */) {
- var externalHelpersModuleName = ts.getExternalHelpersModuleName(currentSourceFile);
- if (externalHelpersModuleName) {
- return ts.createPropertyAccess(externalHelpersModuleName, node);
- }
- return node;
- }
- // When we see an identifier in an expression position that
- // points to an imported symbol, we should substitute a qualified
- // reference to the imported symbol if one is needed.
- //
- // - We do not substitute generated identifiers for any reason.
- // - We do not substitute identifiers tagged with the LocalName flag.
- if (!ts.isGeneratedIdentifier(node) && !ts.isLocalName(node)) {
- var importDeclaration = resolver.getReferencedImportDeclaration(node);
- if (importDeclaration) {
- if (ts.isImportClause(importDeclaration)) {
- return ts.setTextRange(ts.createPropertyAccess(ts.getGeneratedNameForNode(importDeclaration.parent), ts.createIdentifier("default")),
- /*location*/ node);
- }
- else if (ts.isImportSpecifier(importDeclaration)) {
- return ts.setTextRange(ts.createPropertyAccess(ts.getGeneratedNameForNode(importDeclaration.parent.parent.parent), ts.getSynthesizedClone(importDeclaration.propertyName || importDeclaration.name)),
- /*location*/ node);
- }
- }
- }
- return node;
- }
- /**
- * Substitution for a BinaryExpression that may contain an imported or exported symbol.
- *
- * @param node The node to substitute.
- */
- function substituteBinaryExpression(node) {
- // When we see an assignment expression whose left-hand side is an exported symbol,
- // we should ensure all exports of that symbol are updated with the correct value.
- //
- // - We do not substitute generated identifiers for any reason.
- // - We do not substitute identifiers tagged with the LocalName flag.
- // - We do not substitute identifiers that were originally the name of an enum or
- // namespace due to how they are transformed in TypeScript.
- // - We only substitute identifiers that are exported at the top level.
- if (ts.isAssignmentOperator(node.operatorToken.kind)
- && ts.isIdentifier(node.left)
- && !ts.isGeneratedIdentifier(node.left)
- && !ts.isLocalName(node.left)
- && !ts.isDeclarationNameOfEnumOrNamespace(node.left)) {
- var exportedNames = getExports(node.left);
- if (exportedNames) {
- // For each additional export of the declaration, apply an export assignment.
- var expression = node;
- for (var _i = 0, exportedNames_4 = exportedNames; _i < exportedNames_4.length; _i++) {
- var exportName = exportedNames_4[_i];
- expression = createExportExpression(exportName, preventSubstitution(expression));
- }
- return expression;
- }
- }
- return node;
- }
- /**
- * Substitution for a UnaryExpression that may contain an imported or exported symbol.
- *
- * @param node The node to substitute.
- */
- function substituteUnaryExpression(node) {
- // When we see a prefix or postfix increment expression whose operand is an exported
- // symbol, we should ensure all exports of that symbol are updated with the correct
- // value.
- //
- // - We do not substitute generated identifiers for any reason.
- // - We do not substitute identifiers tagged with the LocalName flag.
- // - We do not substitute identifiers that were originally the name of an enum or
- // namespace due to how they are transformed in TypeScript.
- // - We only substitute identifiers that are exported at the top level.
- if ((node.operator === 45 /* PlusPlusToken */ || node.operator === 46 /* MinusMinusToken */)
- && ts.isIdentifier(node.operand)
- && !ts.isGeneratedIdentifier(node.operand)
- && !ts.isLocalName(node.operand)
- && !ts.isDeclarationNameOfEnumOrNamespace(node.operand)) {
- var exportedNames = getExports(node.operand);
- if (exportedNames) {
- var expression = node.kind === 208 /* PostfixUnaryExpression */
- ? ts.setTextRange(ts.createPrefix(node.operator, node.operand), node)
- : node;
- for (var _i = 0, exportedNames_5 = exportedNames; _i < exportedNames_5.length; _i++) {
- var exportName = exportedNames_5[_i];
- expression = createExportExpression(exportName, preventSubstitution(expression));
- }
- if (node.kind === 208 /* PostfixUnaryExpression */) {
- expression = node.operator === 45 /* PlusPlusToken */
- ? ts.createSubtract(preventSubstitution(expression), ts.createLiteral(1))
- : ts.createAdd(preventSubstitution(expression), ts.createLiteral(1));
- }
- return expression;
- }
- }
- return node;
- }
- function substituteMetaProperty(node) {
- if (ts.isImportMeta(node)) {
- return ts.createPropertyAccess(contextObject, ts.createIdentifier("meta"));
- }
- return node;
- }
- /**
- * Gets the exports of a name.
- *
- * @param name The name.
- */
- function getExports(name) {
- var exportedNames;
- if (!ts.isGeneratedIdentifier(name)) {
- var valueDeclaration = resolver.getReferencedImportDeclaration(name)
- || resolver.getReferencedValueDeclaration(name);
- if (valueDeclaration) {
- var exportContainer = resolver.getReferencedExportContainer(name, /*prefixLocals*/ false);
- if (exportContainer && exportContainer.kind === 290 /* SourceFile */) {
- exportedNames = ts.append(exportedNames, ts.getDeclarationName(valueDeclaration));
- }
- exportedNames = ts.addRange(exportedNames, moduleInfo && moduleInfo.exportedBindings[ts.getOriginalNodeId(valueDeclaration)]);
- }
- }
- return exportedNames;
- }
- /**
- * Prevent substitution of a node for this transformer.
- *
- * @param node The node which should not be substituted.
- */
- function preventSubstitution(node) {
- if (noSubstitution === undefined)
- noSubstitution = [];
- noSubstitution[ts.getNodeId(node)] = true;
- return node;
- }
- /**
- * Determines whether a node should not be substituted.
- *
- * @param node The node to test.
- */
- function isSubstitutionPrevented(node) {
- return noSubstitution && node.id && noSubstitution[node.id];
- }
- }
- ts.transformSystemModule = transformSystemModule;
-})(ts || (ts = {}));
-/*@internal*/
-var ts;
-(function (ts) {
- function transformECMAScriptModule(context) {
- var compilerOptions = context.getCompilerOptions();
- var previousOnEmitNode = context.onEmitNode;
- var previousOnSubstituteNode = context.onSubstituteNode;
- context.onEmitNode = onEmitNode;
- context.onSubstituteNode = onSubstituteNode;
- context.enableEmitNotification(290 /* SourceFile */);
- context.enableSubstitution(75 /* Identifier */);
- var helperNameSubstitutions;
- return ts.chainBundle(transformSourceFile);
- function transformSourceFile(node) {
- if (node.isDeclarationFile) {
- return node;
- }
- if (ts.isExternalModule(node) || compilerOptions.isolatedModules) {
- var externalHelpersImportDeclaration = ts.createExternalHelpersImportDeclarationIfNeeded(node, compilerOptions);
- if (externalHelpersImportDeclaration) {
- var statements = [];
- var statementOffset = ts.addPrologue(statements, node.statements);
- ts.append(statements, externalHelpersImportDeclaration);
- ts.addRange(statements, ts.visitNodes(node.statements, visitor, ts.isStatement, statementOffset));
- return ts.updateSourceFileNode(node, ts.setTextRange(ts.createNodeArray(statements), node.statements));
- }
- else {
- return ts.visitEachChild(node, visitor, context);
- }
- }
- return node;
- }
- function visitor(node) {
- switch (node.kind) {
- case 253 /* ImportEqualsDeclaration */:
- // Elide `import=` as it is not legal with --module ES6
- return undefined;
- case 259 /* ExportAssignment */:
- return visitExportAssignment(node);
- case 260 /* ExportDeclaration */:
- var exportDecl = node;
- return visitExportDeclaration(exportDecl);
- }
- return node;
- }
- function visitExportAssignment(node) {
- // Elide `export=` as it is not legal with --module ES6
- return node.isExportEquals ? undefined : node;
- }
- function visitExportDeclaration(node) {
- // `export * as ns` only needs to be transformed in ES2015
- if (compilerOptions.module !== undefined && compilerOptions.module > ts.ModuleKind.ES2015) {
- return node;
- }
- // Either ill-formed or don't need to be tranformed.
- if (!node.exportClause || !ts.isNamespaceExport(node.exportClause) || !node.moduleSpecifier) {
- return node;
- }
- var oldIdentifier = node.exportClause.name;
- var synthName = ts.getGeneratedNameForNode(oldIdentifier);
- var importDecl = ts.createImportDeclaration(
- /*decorators*/ undefined,
- /*modifiers*/ undefined, ts.createImportClause(/*name*/ undefined, ts.createNamespaceImport(synthName)), node.moduleSpecifier);
- ts.setOriginalNode(importDecl, node.exportClause);
- var exportDecl = ts.createExportDeclaration(
- /*decorators*/ undefined,
- /*modifiers*/ undefined, ts.createNamedExports([ts.createExportSpecifier(synthName, oldIdentifier)]));
- ts.setOriginalNode(exportDecl, node);
- return [importDecl, exportDecl];
- }
- //
- // Emit Notification
- //
- /**
- * Hook for node emit.
- *
- * @param hint A hint as to the intended usage of the node.
- * @param node The node to emit.
- * @param emit A callback used to emit the node in the printer.
- */
- function onEmitNode(hint, node, emitCallback) {
- if (ts.isSourceFile(node)) {
- if ((ts.isExternalModule(node) || compilerOptions.isolatedModules) && compilerOptions.importHelpers) {
- helperNameSubstitutions = ts.createMap();
- }
- previousOnEmitNode(hint, node, emitCallback);
- helperNameSubstitutions = undefined;
- }
- else {
- previousOnEmitNode(hint, node, emitCallback);
- }
- }
- //
- // Substitutions
- //
- /**
- * Hooks node substitutions.
- *
- * @param hint A hint as to the intended usage of the node.
- * @param node The node to substitute.
- */
- function onSubstituteNode(hint, node) {
- node = previousOnSubstituteNode(hint, node);
- if (helperNameSubstitutions && ts.isIdentifier(node) && ts.getEmitFlags(node) & 4096 /* HelperName */) {
- return substituteHelperName(node);
- }
- return node;
- }
- function substituteHelperName(node) {
- var name = ts.idText(node);
- var substitution = helperNameSubstitutions.get(name);
- if (!substitution) {
- helperNameSubstitutions.set(name, substitution = ts.createFileLevelUniqueName(name));
- }
- return substitution;
- }
- }
- ts.transformECMAScriptModule = transformECMAScriptModule;
-})(ts || (ts = {}));
-/* @internal */
-var ts;
-(function (ts) {
- function canProduceDiagnostics(node) {
- return ts.isVariableDeclaration(node) ||
- ts.isPropertyDeclaration(node) ||
- ts.isPropertySignature(node) ||
- ts.isBindingElement(node) ||
- ts.isSetAccessor(node) ||
- ts.isGetAccessor(node) ||
- ts.isConstructSignatureDeclaration(node) ||
- ts.isCallSignatureDeclaration(node) ||
- ts.isMethodDeclaration(node) ||
- ts.isMethodSignature(node) ||
- ts.isFunctionDeclaration(node) ||
- ts.isParameter(node) ||
- ts.isTypeParameterDeclaration(node) ||
- ts.isExpressionWithTypeArguments(node) ||
- ts.isImportEqualsDeclaration(node) ||
- ts.isTypeAliasDeclaration(node) ||
- ts.isConstructorDeclaration(node) ||
- ts.isIndexSignatureDeclaration(node) ||
- ts.isPropertyAccessExpression(node);
- }
- ts.canProduceDiagnostics = canProduceDiagnostics;
- function createGetSymbolAccessibilityDiagnosticForNodeName(node) {
- if (ts.isSetAccessor(node) || ts.isGetAccessor(node)) {
- return getAccessorNameVisibilityError;
- }
- else if (ts.isMethodSignature(node) || ts.isMethodDeclaration(node)) {
- return getMethodNameVisibilityError;
- }
- else {
- return createGetSymbolAccessibilityDiagnosticForNode(node);
- }
- function getAccessorNameVisibilityError(symbolAccessibilityResult) {
- var diagnosticMessage = getAccessorNameVisibilityDiagnosticMessage(symbolAccessibilityResult);
- return diagnosticMessage !== undefined ? {
- diagnosticMessage: diagnosticMessage,
- errorNode: node,
- typeName: node.name
- } : undefined;
- }
- function getAccessorNameVisibilityDiagnosticMessage(symbolAccessibilityResult) {
- if (ts.hasModifier(node, 32 /* Static */)) {
- return symbolAccessibilityResult.errorModuleName ?
- symbolAccessibilityResult.accessibility === 2 /* CannotBeNamed */ ?
- ts.Diagnostics.Public_static_property_0_of_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named :
- ts.Diagnostics.Public_static_property_0_of_exported_class_has_or_is_using_name_1_from_private_module_2 :
- ts.Diagnostics.Public_static_property_0_of_exported_class_has_or_is_using_private_name_1;
- }
- else if (node.parent.kind === 245 /* ClassDeclaration */) {
- return symbolAccessibilityResult.errorModuleName ?
- symbolAccessibilityResult.accessibility === 2 /* CannotBeNamed */ ?
- ts.Diagnostics.Public_property_0_of_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named :
- ts.Diagnostics.Public_property_0_of_exported_class_has_or_is_using_name_1_from_private_module_2 :
- ts.Diagnostics.Public_property_0_of_exported_class_has_or_is_using_private_name_1;
- }
- else {
- return symbolAccessibilityResult.errorModuleName ?
- ts.Diagnostics.Property_0_of_exported_interface_has_or_is_using_name_1_from_private_module_2 :
- ts.Diagnostics.Property_0_of_exported_interface_has_or_is_using_private_name_1;
- }
- }
- function getMethodNameVisibilityError(symbolAccessibilityResult) {
- var diagnosticMessage = getMethodNameVisibilityDiagnosticMessage(symbolAccessibilityResult);
- return diagnosticMessage !== undefined ? {
- diagnosticMessage: diagnosticMessage,
- errorNode: node,
- typeName: node.name
- } : undefined;
- }
- function getMethodNameVisibilityDiagnosticMessage(symbolAccessibilityResult) {
- if (ts.hasModifier(node, 32 /* Static */)) {
- return symbolAccessibilityResult.errorModuleName ?
- symbolAccessibilityResult.accessibility === 2 /* CannotBeNamed */ ?
- ts.Diagnostics.Public_static_method_0_of_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named :
- ts.Diagnostics.Public_static_method_0_of_exported_class_has_or_is_using_name_1_from_private_module_2 :
- ts.Diagnostics.Public_static_method_0_of_exported_class_has_or_is_using_private_name_1;
- }
- else if (node.parent.kind === 245 /* ClassDeclaration */) {
- return symbolAccessibilityResult.errorModuleName ?
- symbolAccessibilityResult.accessibility === 2 /* CannotBeNamed */ ?
- ts.Diagnostics.Public_method_0_of_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named :
- ts.Diagnostics.Public_method_0_of_exported_class_has_or_is_using_name_1_from_private_module_2 :
- ts.Diagnostics.Public_method_0_of_exported_class_has_or_is_using_private_name_1;
- }
- else {
- return symbolAccessibilityResult.errorModuleName ?
- ts.Diagnostics.Method_0_of_exported_interface_has_or_is_using_name_1_from_private_module_2 :
- ts.Diagnostics.Method_0_of_exported_interface_has_or_is_using_private_name_1;
- }
- }
- }
- ts.createGetSymbolAccessibilityDiagnosticForNodeName = createGetSymbolAccessibilityDiagnosticForNodeName;
- function createGetSymbolAccessibilityDiagnosticForNode(node) {
- if (ts.isVariableDeclaration(node) || ts.isPropertyDeclaration(node) || ts.isPropertySignature(node) || ts.isPropertyAccessExpression(node) || ts.isBindingElement(node) || ts.isConstructorDeclaration(node)) {
- return getVariableDeclarationTypeVisibilityError;
- }
- else if (ts.isSetAccessor(node) || ts.isGetAccessor(node)) {
- return getAccessorDeclarationTypeVisibilityError;
- }
- else if (ts.isConstructSignatureDeclaration(node) || ts.isCallSignatureDeclaration(node) || ts.isMethodDeclaration(node) || ts.isMethodSignature(node) || ts.isFunctionDeclaration(node) || ts.isIndexSignatureDeclaration(node)) {
- return getReturnTypeVisibilityError;
- }
- else if (ts.isParameter(node)) {
- if (ts.isParameterPropertyDeclaration(node, node.parent) && ts.hasModifier(node.parent, 8 /* Private */)) {
- return getVariableDeclarationTypeVisibilityError;
- }
- return getParameterDeclarationTypeVisibilityError;
- }
- else if (ts.isTypeParameterDeclaration(node)) {
- return getTypeParameterConstraintVisibilityError;
- }
- else if (ts.isExpressionWithTypeArguments(node)) {
- return getHeritageClauseVisibilityError;
- }
- else if (ts.isImportEqualsDeclaration(node)) {
- return getImportEntityNameVisibilityError;
- }
- else if (ts.isTypeAliasDeclaration(node)) {
- return getTypeAliasDeclarationVisibilityError;
- }
- else {
- return ts.Debug.assertNever(node, "Attempted to set a declaration diagnostic context for unhandled node kind: " + ts.SyntaxKind[node.kind]);
- }
- function getVariableDeclarationTypeVisibilityDiagnosticMessage(symbolAccessibilityResult) {
- if (node.kind === 242 /* VariableDeclaration */ || node.kind === 191 /* BindingElement */) {
- return symbolAccessibilityResult.errorModuleName ?
- symbolAccessibilityResult.accessibility === 2 /* CannotBeNamed */ ?
- ts.Diagnostics.Exported_variable_0_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named :
- ts.Diagnostics.Exported_variable_0_has_or_is_using_name_1_from_private_module_2 :
- ts.Diagnostics.Exported_variable_0_has_or_is_using_private_name_1;
- }
- // This check is to ensure we don't report error on constructor parameter property as that error would be reported during parameter emit
- // The only exception here is if the constructor was marked as private. we are not emitting the constructor parameters at all.
- else if (node.kind === 159 /* PropertyDeclaration */ || node.kind === 194 /* PropertyAccessExpression */ || node.kind === 158 /* PropertySignature */ ||
- (node.kind === 156 /* Parameter */ && ts.hasModifier(node.parent, 8 /* Private */))) {
- // TODO(jfreeman): Deal with computed properties in error reporting.
- if (ts.hasModifier(node, 32 /* Static */)) {
- return symbolAccessibilityResult.errorModuleName ?
- symbolAccessibilityResult.accessibility === 2 /* CannotBeNamed */ ?
- ts.Diagnostics.Public_static_property_0_of_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named :
- ts.Diagnostics.Public_static_property_0_of_exported_class_has_or_is_using_name_1_from_private_module_2 :
- ts.Diagnostics.Public_static_property_0_of_exported_class_has_or_is_using_private_name_1;
- }
- else if (node.parent.kind === 245 /* ClassDeclaration */ || node.kind === 156 /* Parameter */) {
- return symbolAccessibilityResult.errorModuleName ?
- symbolAccessibilityResult.accessibility === 2 /* CannotBeNamed */ ?
- ts.Diagnostics.Public_property_0_of_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named :
- ts.Diagnostics.Public_property_0_of_exported_class_has_or_is_using_name_1_from_private_module_2 :
- ts.Diagnostics.Public_property_0_of_exported_class_has_or_is_using_private_name_1;
- }
- else {
- // Interfaces cannot have types that cannot be named
- return symbolAccessibilityResult.errorModuleName ?
- ts.Diagnostics.Property_0_of_exported_interface_has_or_is_using_name_1_from_private_module_2 :
- ts.Diagnostics.Property_0_of_exported_interface_has_or_is_using_private_name_1;
- }
- }
- }
- function getVariableDeclarationTypeVisibilityError(symbolAccessibilityResult) {
- var diagnosticMessage = getVariableDeclarationTypeVisibilityDiagnosticMessage(symbolAccessibilityResult);
- return diagnosticMessage !== undefined ? {
- diagnosticMessage: diagnosticMessage,
- errorNode: node,
- typeName: node.name
- } : undefined;
- }
- function getAccessorDeclarationTypeVisibilityError(symbolAccessibilityResult) {
- var diagnosticMessage;
- if (node.kind === 164 /* SetAccessor */) {
- // Getters can infer the return type from the returned expression, but setters cannot, so the
- // "_from_external_module_1_but_cannot_be_named" case cannot occur.
- if (ts.hasModifier(node, 32 /* Static */)) {
- diagnosticMessage = symbolAccessibilityResult.errorModuleName ?
- ts.Diagnostics.Parameter_type_of_public_static_setter_0_from_exported_class_has_or_is_using_name_1_from_private_module_2 :
- ts.Diagnostics.Parameter_type_of_public_static_setter_0_from_exported_class_has_or_is_using_private_name_1;
- }
- else {
- diagnosticMessage = symbolAccessibilityResult.errorModuleName ?
- ts.Diagnostics.Parameter_type_of_public_setter_0_from_exported_class_has_or_is_using_name_1_from_private_module_2 :
- ts.Diagnostics.Parameter_type_of_public_setter_0_from_exported_class_has_or_is_using_private_name_1;
- }
- }
- else {
- if (ts.hasModifier(node, 32 /* Static */)) {
- diagnosticMessage = symbolAccessibilityResult.errorModuleName ?
- symbolAccessibilityResult.accessibility === 2 /* CannotBeNamed */ ?
- ts.Diagnostics.Return_type_of_public_static_getter_0_from_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named :
- ts.Diagnostics.Return_type_of_public_static_getter_0_from_exported_class_has_or_is_using_name_1_from_private_module_2 :
- ts.Diagnostics.Return_type_of_public_static_getter_0_from_exported_class_has_or_is_using_private_name_1;
- }
- else {
- diagnosticMessage = symbolAccessibilityResult.errorModuleName ?
- symbolAccessibilityResult.accessibility === 2 /* CannotBeNamed */ ?
- ts.Diagnostics.Return_type_of_public_getter_0_from_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named :
- ts.Diagnostics.Return_type_of_public_getter_0_from_exported_class_has_or_is_using_name_1_from_private_module_2 :
- ts.Diagnostics.Return_type_of_public_getter_0_from_exported_class_has_or_is_using_private_name_1;
- }
- }
- return {
- diagnosticMessage: diagnosticMessage,
- errorNode: node.name,
- typeName: node.name
- };
- }
- function getReturnTypeVisibilityError(symbolAccessibilityResult) {
- var diagnosticMessage;
- switch (node.kind) {
- case 166 /* ConstructSignature */:
- // Interfaces cannot have return types that cannot be named
- diagnosticMessage = symbolAccessibilityResult.errorModuleName ?
- ts.Diagnostics.Return_type_of_constructor_signature_from_exported_interface_has_or_is_using_name_0_from_private_module_1 :
- ts.Diagnostics.Return_type_of_constructor_signature_from_exported_interface_has_or_is_using_private_name_0;
- break;
- case 165 /* CallSignature */:
- // Interfaces cannot have return types that cannot be named
- diagnosticMessage = symbolAccessibilityResult.errorModuleName ?
- ts.Diagnostics.Return_type_of_call_signature_from_exported_interface_has_or_is_using_name_0_from_private_module_1 :
- ts.Diagnostics.Return_type_of_call_signature_from_exported_interface_has_or_is_using_private_name_0;
- break;
- case 167 /* IndexSignature */:
- // Interfaces cannot have return types that cannot be named
- diagnosticMessage = symbolAccessibilityResult.errorModuleName ?
- ts.Diagnostics.Return_type_of_index_signature_from_exported_interface_has_or_is_using_name_0_from_private_module_1 :
- ts.Diagnostics.Return_type_of_index_signature_from_exported_interface_has_or_is_using_private_name_0;
- break;
- case 161 /* MethodDeclaration */:
- case 160 /* MethodSignature */:
- if (ts.hasModifier(node, 32 /* Static */)) {
- diagnosticMessage = symbolAccessibilityResult.errorModuleName ?
- symbolAccessibilityResult.accessibility === 2 /* CannotBeNamed */ ?
- ts.Diagnostics.Return_type_of_public_static_method_from_exported_class_has_or_is_using_name_0_from_external_module_1_but_cannot_be_named :
- ts.Diagnostics.Return_type_of_public_static_method_from_exported_class_has_or_is_using_name_0_from_private_module_1 :
- ts.Diagnostics.Return_type_of_public_static_method_from_exported_class_has_or_is_using_private_name_0;
- }
- else if (node.parent.kind === 245 /* ClassDeclaration */) {
- diagnosticMessage = symbolAccessibilityResult.errorModuleName ?
- symbolAccessibilityResult.accessibility === 2 /* CannotBeNamed */ ?
- ts.Diagnostics.Return_type_of_public_method_from_exported_class_has_or_is_using_name_0_from_external_module_1_but_cannot_be_named :
- ts.Diagnostics.Return_type_of_public_method_from_exported_class_has_or_is_using_name_0_from_private_module_1 :
- ts.Diagnostics.Return_type_of_public_method_from_exported_class_has_or_is_using_private_name_0;
- }
- else {
- // Interfaces cannot have return types that cannot be named
- diagnosticMessage = symbolAccessibilityResult.errorModuleName ?
- ts.Diagnostics.Return_type_of_method_from_exported_interface_has_or_is_using_name_0_from_private_module_1 :
- ts.Diagnostics.Return_type_of_method_from_exported_interface_has_or_is_using_private_name_0;
- }
- break;
- case 244 /* FunctionDeclaration */:
- diagnosticMessage = symbolAccessibilityResult.errorModuleName ?
- symbolAccessibilityResult.accessibility === 2 /* CannotBeNamed */ ?
- ts.Diagnostics.Return_type_of_exported_function_has_or_is_using_name_0_from_external_module_1_but_cannot_be_named :
- ts.Diagnostics.Return_type_of_exported_function_has_or_is_using_name_0_from_private_module_1 :
- ts.Diagnostics.Return_type_of_exported_function_has_or_is_using_private_name_0;
- break;
- default:
- return ts.Debug.fail("This is unknown kind for signature: " + node.kind);
- }
- return {
- diagnosticMessage: diagnosticMessage,
- errorNode: node.name || node
- };
- }
- function getParameterDeclarationTypeVisibilityError(symbolAccessibilityResult) {
- var diagnosticMessage = getParameterDeclarationTypeVisibilityDiagnosticMessage(symbolAccessibilityResult);
- return diagnosticMessage !== undefined ? {
- diagnosticMessage: diagnosticMessage,
- errorNode: node,
- typeName: node.name
- } : undefined;
- }
- function getParameterDeclarationTypeVisibilityDiagnosticMessage(symbolAccessibilityResult) {
- switch (node.parent.kind) {
- case 162 /* Constructor */:
- return symbolAccessibilityResult.errorModuleName ?
- symbolAccessibilityResult.accessibility === 2 /* CannotBeNamed */ ?
- ts.Diagnostics.Parameter_0_of_constructor_from_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named :
- ts.Diagnostics.Parameter_0_of_constructor_from_exported_class_has_or_is_using_name_1_from_private_module_2 :
- ts.Diagnostics.Parameter_0_of_constructor_from_exported_class_has_or_is_using_private_name_1;
- case 166 /* ConstructSignature */:
- case 171 /* ConstructorType */:
- // Interfaces cannot have parameter types that cannot be named
- return symbolAccessibilityResult.errorModuleName ?
- ts.Diagnostics.Parameter_0_of_constructor_signature_from_exported_interface_has_or_is_using_name_1_from_private_module_2 :
- ts.Diagnostics.Parameter_0_of_constructor_signature_from_exported_interface_has_or_is_using_private_name_1;
- case 165 /* CallSignature */:
- // Interfaces cannot have parameter types that cannot be named
- return symbolAccessibilityResult.errorModuleName ?
- ts.Diagnostics.Parameter_0_of_call_signature_from_exported_interface_has_or_is_using_name_1_from_private_module_2 :
- ts.Diagnostics.Parameter_0_of_call_signature_from_exported_interface_has_or_is_using_private_name_1;
- case 167 /* IndexSignature */:
- // Interfaces cannot have parameter types that cannot be named
- return symbolAccessibilityResult.errorModuleName ?
- ts.Diagnostics.Parameter_0_of_index_signature_from_exported_interface_has_or_is_using_name_1_from_private_module_2 :
- ts.Diagnostics.Parameter_0_of_index_signature_from_exported_interface_has_or_is_using_private_name_1;
- case 161 /* MethodDeclaration */:
- case 160 /* MethodSignature */:
- if (ts.hasModifier(node.parent, 32 /* Static */)) {
- return symbolAccessibilityResult.errorModuleName ?
- symbolAccessibilityResult.accessibility === 2 /* CannotBeNamed */ ?
- ts.Diagnostics.Parameter_0_of_public_static_method_from_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named :
- ts.Diagnostics.Parameter_0_of_public_static_method_from_exported_class_has_or_is_using_name_1_from_private_module_2 :
- ts.Diagnostics.Parameter_0_of_public_static_method_from_exported_class_has_or_is_using_private_name_1;
- }
- else if (node.parent.parent.kind === 245 /* ClassDeclaration */) {
- return symbolAccessibilityResult.errorModuleName ?
- symbolAccessibilityResult.accessibility === 2 /* CannotBeNamed */ ?
- ts.Diagnostics.Parameter_0_of_public_method_from_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named :
- ts.Diagnostics.Parameter_0_of_public_method_from_exported_class_has_or_is_using_name_1_from_private_module_2 :
- ts.Diagnostics.Parameter_0_of_public_method_from_exported_class_has_or_is_using_private_name_1;
- }
- else {
- // Interfaces cannot have parameter types that cannot be named
- return symbolAccessibilityResult.errorModuleName ?
- ts.Diagnostics.Parameter_0_of_method_from_exported_interface_has_or_is_using_name_1_from_private_module_2 :
- ts.Diagnostics.Parameter_0_of_method_from_exported_interface_has_or_is_using_private_name_1;
- }
- case 244 /* FunctionDeclaration */:
- case 170 /* FunctionType */:
- return symbolAccessibilityResult.errorModuleName ?
- symbolAccessibilityResult.accessibility === 2 /* CannotBeNamed */ ?
- ts.Diagnostics.Parameter_0_of_exported_function_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named :
- ts.Diagnostics.Parameter_0_of_exported_function_has_or_is_using_name_1_from_private_module_2 :
- ts.Diagnostics.Parameter_0_of_exported_function_has_or_is_using_private_name_1;
- case 164 /* SetAccessor */:
- case 163 /* GetAccessor */:
- return symbolAccessibilityResult.errorModuleName ?
- symbolAccessibilityResult.accessibility === 2 /* CannotBeNamed */ ?
- ts.Diagnostics.Parameter_0_of_accessor_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named :
- ts.Diagnostics.Parameter_0_of_accessor_has_or_is_using_name_1_from_private_module_2 :
- ts.Diagnostics.Parameter_0_of_accessor_has_or_is_using_private_name_1;
- default:
- return ts.Debug.fail("Unknown parent for parameter: " + ts.SyntaxKind[node.parent.kind]);
- }
- }
- function getTypeParameterConstraintVisibilityError() {
- // Type parameter constraints are named by user so we should always be able to name it
- var diagnosticMessage;
- switch (node.parent.kind) {
- case 245 /* ClassDeclaration */:
- diagnosticMessage = ts.Diagnostics.Type_parameter_0_of_exported_class_has_or_is_using_private_name_1;
- break;
- case 246 /* InterfaceDeclaration */:
- diagnosticMessage = ts.Diagnostics.Type_parameter_0_of_exported_interface_has_or_is_using_private_name_1;
- break;
- case 186 /* MappedType */:
- diagnosticMessage = ts.Diagnostics.Type_parameter_0_of_exported_mapped_object_type_is_using_private_name_1;
- break;
- case 171 /* ConstructorType */:
- case 166 /* ConstructSignature */:
- diagnosticMessage = ts.Diagnostics.Type_parameter_0_of_constructor_signature_from_exported_interface_has_or_is_using_private_name_1;
- break;
- case 165 /* CallSignature */:
- diagnosticMessage = ts.Diagnostics.Type_parameter_0_of_call_signature_from_exported_interface_has_or_is_using_private_name_1;
- break;
- case 161 /* MethodDeclaration */:
- case 160 /* MethodSignature */:
- if (ts.hasModifier(node.parent, 32 /* Static */)) {
- diagnosticMessage = ts.Diagnostics.Type_parameter_0_of_public_static_method_from_exported_class_has_or_is_using_private_name_1;
- }
- else if (node.parent.parent.kind === 245 /* ClassDeclaration */) {
- diagnosticMessage = ts.Diagnostics.Type_parameter_0_of_public_method_from_exported_class_has_or_is_using_private_name_1;
- }
- else {
- diagnosticMessage = ts.Diagnostics.Type_parameter_0_of_method_from_exported_interface_has_or_is_using_private_name_1;
- }
- break;
- case 170 /* FunctionType */:
- case 244 /* FunctionDeclaration */:
- diagnosticMessage = ts.Diagnostics.Type_parameter_0_of_exported_function_has_or_is_using_private_name_1;
- break;
- case 247 /* TypeAliasDeclaration */:
- diagnosticMessage = ts.Diagnostics.Type_parameter_0_of_exported_type_alias_has_or_is_using_private_name_1;
- break;
- default:
- return ts.Debug.fail("This is unknown parent for type parameter: " + node.parent.kind);
- }
- return {
- diagnosticMessage: diagnosticMessage,
- errorNode: node,
- typeName: node.name
- };
- }
- function getHeritageClauseVisibilityError() {
- var diagnosticMessage;
- // Heritage clause is written by user so it can always be named
- if (node.parent.parent.kind === 245 /* ClassDeclaration */) {
- // Class or Interface implemented/extended is inaccessible
- diagnosticMessage = ts.isHeritageClause(node.parent) && node.parent.token === 113 /* ImplementsKeyword */ ?
- ts.Diagnostics.Implements_clause_of_exported_class_0_has_or_is_using_private_name_1 :
- ts.Diagnostics.extends_clause_of_exported_class_0_has_or_is_using_private_name_1;
- }
- else {
- // interface is inaccessible
- diagnosticMessage = ts.Diagnostics.extends_clause_of_exported_interface_0_has_or_is_using_private_name_1;
- }
- return {
- diagnosticMessage: diagnosticMessage,
- errorNode: node,
- typeName: ts.getNameOfDeclaration(node.parent.parent)
- };
- }
- function getImportEntityNameVisibilityError() {
- return {
- diagnosticMessage: ts.Diagnostics.Import_declaration_0_is_using_private_name_1,
- errorNode: node,
- typeName: node.name
- };
- }
- function getTypeAliasDeclarationVisibilityError() {
- return {
- diagnosticMessage: ts.Diagnostics.Exported_type_alias_0_has_or_is_using_private_name_1,
- errorNode: node.type,
- typeName: node.name
- };
- }
- }
- ts.createGetSymbolAccessibilityDiagnosticForNode = createGetSymbolAccessibilityDiagnosticForNode;
-})(ts || (ts = {}));
-/*@internal*/
-var ts;
-(function (ts) {
- function getDeclarationDiagnostics(host, resolver, file) {
- if (file && ts.isJsonSourceFile(file)) {
- return []; // No declaration diagnostics for json for now
- }
- var compilerOptions = host.getCompilerOptions();
- var result = ts.transformNodes(resolver, host, compilerOptions, file ? [file] : ts.filter(host.getSourceFiles(), ts.isSourceFileNotJson), [transformDeclarations], /*allowDtsFiles*/ false);
- return result.diagnostics;
- }
- ts.getDeclarationDiagnostics = getDeclarationDiagnostics;
- function hasInternalAnnotation(range, currentSourceFile) {
- var comment = currentSourceFile.text.substring(range.pos, range.end);
- return ts.stringContains(comment, "@internal");
- }
- function isInternalDeclaration(node, currentSourceFile) {
- var parseTreeNode = ts.getParseTreeNode(node);
- if (parseTreeNode && parseTreeNode.kind === 156 /* Parameter */) {
- var paramIdx = parseTreeNode.parent.parameters.indexOf(parseTreeNode);
- var previousSibling = paramIdx > 0 ? parseTreeNode.parent.parameters[paramIdx - 1] : undefined;
- var text = currentSourceFile.text;
- var commentRanges = previousSibling
- ? ts.concatenate(
- // to handle
- // ... parameters, /* @internal */
- // public param: string
- ts.getTrailingCommentRanges(text, ts.skipTrivia(text, previousSibling.end + 1, /* stopAfterLineBreak */ false, /* stopAtComments */ true)), ts.getLeadingCommentRanges(text, node.pos))
- : ts.getTrailingCommentRanges(text, ts.skipTrivia(text, node.pos, /* stopAfterLineBreak */ false, /* stopAtComments */ true));
- return commentRanges && commentRanges.length && hasInternalAnnotation(ts.last(commentRanges), currentSourceFile);
- }
- var leadingCommentRanges = parseTreeNode && ts.getLeadingCommentRangesOfNode(parseTreeNode, currentSourceFile);
- return !!ts.forEach(leadingCommentRanges, function (range) {
- return hasInternalAnnotation(range, currentSourceFile);
- });
- }
- ts.isInternalDeclaration = isInternalDeclaration;
- var declarationEmitNodeBuilderFlags = 1024 /* MultilineObjectLiterals */ |
- 2048 /* WriteClassExpressionAsTypeLiteral */ |
- 4096 /* UseTypeOfFunction */ |
- 8 /* UseStructuralFallback */ |
- 524288 /* AllowEmptyTuple */ |
- 4 /* GenerateNamesForShadowedTypeParams */ |
- 1 /* NoTruncation */;
- /**
- * Transforms a ts file into a .d.ts file
- * This process requires type information, which is retrieved through the emit resolver. Because of this,
- * in many places this transformer assumes it will be operating on parse tree nodes directly.
- * This means that _no transforms should be allowed to occur before this one_.
- */
- function transformDeclarations(context) {
- var throwDiagnostic = function () { return ts.Debug.fail("Diagnostic emitted without context"); };
- var getSymbolAccessibilityDiagnostic = throwDiagnostic;
- var needsDeclare = true;
- var isBundledEmit = false;
- var resultHasExternalModuleIndicator = false;
- var needsScopeFixMarker = false;
- var resultHasScopeMarker = false;
- var enclosingDeclaration;
- var necessaryTypeReferences;
- var lateMarkedStatements;
- var lateStatementReplacementMap;
- var suppressNewDiagnosticContexts;
- var exportedModulesFromDeclarationEmit;
- var host = context.getEmitHost();
- var symbolTracker = {
- trackSymbol: trackSymbol,
- reportInaccessibleThisError: reportInaccessibleThisError,
- reportInaccessibleUniqueSymbolError: reportInaccessibleUniqueSymbolError,
- reportCyclicStructureError: reportCyclicStructureError,
- reportPrivateInBaseOfClassExpression: reportPrivateInBaseOfClassExpression,
- reportLikelyUnsafeImportRequiredError: reportLikelyUnsafeImportRequiredError,
- moduleResolverHost: host,
- trackReferencedAmbientModule: trackReferencedAmbientModule,
- trackExternalModuleSymbolOfImportTypeNode: trackExternalModuleSymbolOfImportTypeNode,
- reportNonlocalAugmentation: reportNonlocalAugmentation
- };
- var errorNameNode;
- var currentSourceFile;
- var refs;
- var libs;
- var emittedImports; // must be declared in container so it can be `undefined` while transformer's first pass
- var resolver = context.getEmitResolver();
- var options = context.getCompilerOptions();
- var noResolve = options.noResolve, stripInternal = options.stripInternal;
- return transformRoot;
- function recordTypeReferenceDirectivesIfNecessary(typeReferenceDirectives) {
- if (!typeReferenceDirectives) {
- return;
- }
- necessaryTypeReferences = necessaryTypeReferences || ts.createMap();
- for (var _i = 0, typeReferenceDirectives_2 = typeReferenceDirectives; _i < typeReferenceDirectives_2.length; _i++) {
- var ref = typeReferenceDirectives_2[_i];
- necessaryTypeReferences.set(ref, true);
- }
- }
- function trackReferencedAmbientModule(node, symbol) {
- // If it is visible via `// <reference types="..."/>`, then we should just use that
- var directives = resolver.getTypeReferenceDirectivesForSymbol(symbol, 67108863 /* All */);
- if (ts.length(directives)) {
- return recordTypeReferenceDirectivesIfNecessary(directives);
- }
- // Otherwise we should emit a path-based reference
- var container = ts.getSourceFileOfNode(node);
- refs.set("" + ts.getOriginalNodeId(container), container);
- }
- function handleSymbolAccessibilityError(symbolAccessibilityResult) {
- if (symbolAccessibilityResult.accessibility === 0 /* Accessible */) {
- // Add aliases back onto the possible imports list if they're not there so we can try them again with updated visibility info
- if (symbolAccessibilityResult && symbolAccessibilityResult.aliasesToMakeVisible) {
- if (!lateMarkedStatements) {
- lateMarkedStatements = symbolAccessibilityResult.aliasesToMakeVisible;
- }
- else {
- for (var _i = 0, _a = symbolAccessibilityResult.aliasesToMakeVisible; _i < _a.length; _i++) {
- var ref = _a[_i];
- ts.pushIfUnique(lateMarkedStatements, ref);
- }
- }
- }
- // TODO: Do all these accessibility checks inside/after the first pass in the checker when declarations are enabled, if possible
- }
- else {
- // Report error
- var errorInfo = getSymbolAccessibilityDiagnostic(symbolAccessibilityResult);
- if (errorInfo) {
- if (errorInfo.typeName) {
- context.addDiagnostic(ts.createDiagnosticForNode(symbolAccessibilityResult.errorNode || errorInfo.errorNode, errorInfo.diagnosticMessage, ts.getTextOfNode(errorInfo.typeName), symbolAccessibilityResult.errorSymbolName, symbolAccessibilityResult.errorModuleName));
- }
- else {
- context.addDiagnostic(ts.createDiagnosticForNode(symbolAccessibilityResult.errorNode || errorInfo.errorNode, errorInfo.diagnosticMessage, symbolAccessibilityResult.errorSymbolName, symbolAccessibilityResult.errorModuleName));
- }
- }
- }
- }
- function trackExternalModuleSymbolOfImportTypeNode(symbol) {
- if (!isBundledEmit) {
- (exportedModulesFromDeclarationEmit || (exportedModulesFromDeclarationEmit = [])).push(symbol);
- }
- }
- function trackSymbol(symbol, enclosingDeclaration, meaning) {
- if (symbol.flags & 262144 /* TypeParameter */)
- return;
- handleSymbolAccessibilityError(resolver.isSymbolAccessible(symbol, enclosingDeclaration, meaning, /*shouldComputeAliasesToMakeVisible*/ true));
- recordTypeReferenceDirectivesIfNecessary(resolver.getTypeReferenceDirectivesForSymbol(symbol, meaning));
- }
- function reportPrivateInBaseOfClassExpression(propertyName) {
- if (errorNameNode) {
- context.addDiagnostic(ts.createDiagnosticForNode(errorNameNode, ts.Diagnostics.Property_0_of_exported_class_expression_may_not_be_private_or_protected, propertyName));
- }
- }
- function reportInaccessibleUniqueSymbolError() {
- if (errorNameNode) {
- context.addDiagnostic(ts.createDiagnosticForNode(errorNameNode, ts.Diagnostics.The_inferred_type_of_0_references_an_inaccessible_1_type_A_type_annotation_is_necessary, ts.declarationNameToString(errorNameNode), "unique symbol"));
- }
- }
- function reportCyclicStructureError() {
- if (errorNameNode) {
- context.addDiagnostic(ts.createDiagnosticForNode(errorNameNode, ts.Diagnostics.The_inferred_type_of_0_references_a_type_with_a_cyclic_structure_which_cannot_be_trivially_serialized_A_type_annotation_is_necessary, ts.declarationNameToString(errorNameNode)));
- }
- }
- function reportInaccessibleThisError() {
- if (errorNameNode) {
- context.addDiagnostic(ts.createDiagnosticForNode(errorNameNode, ts.Diagnostics.The_inferred_type_of_0_references_an_inaccessible_1_type_A_type_annotation_is_necessary, ts.declarationNameToString(errorNameNode), "this"));
- }
- }
- function reportLikelyUnsafeImportRequiredError(specifier) {
- if (errorNameNode) {
- context.addDiagnostic(ts.createDiagnosticForNode(errorNameNode, ts.Diagnostics.The_inferred_type_of_0_cannot_be_named_without_a_reference_to_1_This_is_likely_not_portable_A_type_annotation_is_necessary, ts.declarationNameToString(errorNameNode), specifier));
- }
- }
- function reportNonlocalAugmentation(containingFile, parentSymbol, symbol) {
- var primaryDeclaration = ts.find(parentSymbol.declarations, function (d) { return ts.getSourceFileOfNode(d) === containingFile; });
- var augmentingDeclarations = ts.filter(symbol.declarations, function (d) { return ts.getSourceFileOfNode(d) !== containingFile; });
- for (var _i = 0, augmentingDeclarations_1 = augmentingDeclarations; _i < augmentingDeclarations_1.length; _i++) {
- var augmentations = augmentingDeclarations_1[_i];
- context.addDiagnostic(ts.addRelatedInfo(ts.createDiagnosticForNode(augmentations, ts.Diagnostics.Declaration_augments_declaration_in_another_file_This_cannot_be_serialized), ts.createDiagnosticForNode(primaryDeclaration, ts.Diagnostics.This_is_the_declaration_being_augmented_Consider_moving_the_augmenting_declaration_into_the_same_file)));
- }
- }
- function transformDeclarationsForJS(sourceFile, bundled) {
- var oldDiag = getSymbolAccessibilityDiagnostic;
- getSymbolAccessibilityDiagnostic = function (s) { return ({
- diagnosticMessage: s.errorModuleName
- ? ts.Diagnostics.Declaration_emit_for_this_file_requires_using_private_name_0_from_module_1_An_explicit_type_annotation_may_unblock_declaration_emit
- : ts.Diagnostics.Declaration_emit_for_this_file_requires_using_private_name_0_An_explicit_type_annotation_may_unblock_declaration_emit,
- errorNode: s.errorNode || sourceFile
- }); };
- var result = resolver.getDeclarationStatementsForSourceFile(sourceFile, declarationEmitNodeBuilderFlags, symbolTracker, bundled);
- getSymbolAccessibilityDiagnostic = oldDiag;
- return result;
- }
- function transformRoot(node) {
- if (node.kind === 290 /* SourceFile */ && node.isDeclarationFile) {
- return node;
- }
- if (node.kind === 291 /* Bundle */) {
- isBundledEmit = true;
- refs = ts.createMap();
- libs = ts.createMap();
- var hasNoDefaultLib_1 = false;
- var bundle = ts.createBundle(ts.map(node.sourceFiles, function (sourceFile) {
- if (sourceFile.isDeclarationFile)
- return undefined; // Omit declaration files from bundle results, too // TODO: GH#18217
- hasNoDefaultLib_1 = hasNoDefaultLib_1 || sourceFile.hasNoDefaultLib;
- currentSourceFile = sourceFile;
- enclosingDeclaration = sourceFile;
- lateMarkedStatements = undefined;
- suppressNewDiagnosticContexts = false;
- lateStatementReplacementMap = ts.createMap();
- getSymbolAccessibilityDiagnostic = throwDiagnostic;
- needsScopeFixMarker = false;
- resultHasScopeMarker = false;
- collectReferences(sourceFile, refs);
- collectLibs(sourceFile, libs);
- if (ts.isExternalOrCommonJsModule(sourceFile) || ts.isJsonSourceFile(sourceFile)) {
- resultHasExternalModuleIndicator = false; // unused in external module bundle emit (all external modules are within module blocks, therefore are known to be modules)
- needsDeclare = false;
- var statements = ts.isSourceFileJS(sourceFile) ? ts.createNodeArray(transformDeclarationsForJS(sourceFile, /*bundled*/ true)) : ts.visitNodes(sourceFile.statements, visitDeclarationStatements);
- var newFile = ts.updateSourceFileNode(sourceFile, [ts.createModuleDeclaration([], [ts.createModifier(130 /* DeclareKeyword */)], ts.createLiteral(ts.getResolvedExternalModuleName(context.getEmitHost(), sourceFile)), ts.createModuleBlock(ts.setTextRange(ts.createNodeArray(transformAndReplaceLatePaintedStatements(statements)), sourceFile.statements)))], /*isDeclarationFile*/ true, /*referencedFiles*/ [], /*typeReferences*/ [], /*hasNoDefaultLib*/ false, /*libReferences*/ []);
- return newFile;
- }
- needsDeclare = true;
- var updated = ts.isSourceFileJS(sourceFile) ? ts.createNodeArray(transformDeclarationsForJS(sourceFile)) : ts.visitNodes(sourceFile.statements, visitDeclarationStatements);
- return ts.updateSourceFileNode(sourceFile, transformAndReplaceLatePaintedStatements(updated), /*isDeclarationFile*/ true, /*referencedFiles*/ [], /*typeReferences*/ [], /*hasNoDefaultLib*/ false, /*libReferences*/ []);
- }), ts.mapDefined(node.prepends, function (prepend) {
- if (prepend.kind === 293 /* InputFiles */) {
- var sourceFile = ts.createUnparsedSourceFile(prepend, "dts", stripInternal);
- hasNoDefaultLib_1 = hasNoDefaultLib_1 || !!sourceFile.hasNoDefaultLib;
- collectReferences(sourceFile, refs);
- recordTypeReferenceDirectivesIfNecessary(sourceFile.typeReferenceDirectives);
- collectLibs(sourceFile, libs);
- return sourceFile;
- }
- return prepend;
- }));
- bundle.syntheticFileReferences = [];
- bundle.syntheticTypeReferences = getFileReferencesForUsedTypeReferences();
- bundle.syntheticLibReferences = getLibReferences();
- bundle.hasNoDefaultLib = hasNoDefaultLib_1;
- var outputFilePath_1 = ts.getDirectoryPath(ts.normalizeSlashes(ts.getOutputPathsFor(node, host, /*forceDtsPaths*/ true).declarationFilePath));
- var referenceVisitor_1 = mapReferencesIntoArray(bundle.syntheticFileReferences, outputFilePath_1);
- refs.forEach(referenceVisitor_1);
- return bundle;
- }
- // Single source file
- needsDeclare = true;
- needsScopeFixMarker = false;
- resultHasScopeMarker = false;
- enclosingDeclaration = node;
- currentSourceFile = node;
- getSymbolAccessibilityDiagnostic = throwDiagnostic;
- isBundledEmit = false;
- resultHasExternalModuleIndicator = false;
- suppressNewDiagnosticContexts = false;
- lateMarkedStatements = undefined;
- lateStatementReplacementMap = ts.createMap();
- necessaryTypeReferences = undefined;
- refs = collectReferences(currentSourceFile, ts.createMap());
- libs = collectLibs(currentSourceFile, ts.createMap());
- var references = [];
- var outputFilePath = ts.getDirectoryPath(ts.normalizeSlashes(ts.getOutputPathsFor(node, host, /*forceDtsPaths*/ true).declarationFilePath));
- var referenceVisitor = mapReferencesIntoArray(references, outputFilePath);
- var combinedStatements;
- if (ts.isSourceFileJS(currentSourceFile)) {
- combinedStatements = ts.createNodeArray(transformDeclarationsForJS(node));
- refs.forEach(referenceVisitor);
- emittedImports = ts.filter(combinedStatements, ts.isAnyImportSyntax);
- }
- else {
- var statements = ts.visitNodes(node.statements, visitDeclarationStatements);
- combinedStatements = ts.setTextRange(ts.createNodeArray(transformAndReplaceLatePaintedStatements(statements)), node.statements);
- refs.forEach(referenceVisitor);
- emittedImports = ts.filter(combinedStatements, ts.isAnyImportSyntax);
- if (ts.isExternalModule(node) && (!resultHasExternalModuleIndicator || (needsScopeFixMarker && !resultHasScopeMarker))) {
- combinedStatements = ts.setTextRange(ts.createNodeArray(__spreadArrays(combinedStatements, [ts.createEmptyExports()])), combinedStatements);
- }
- }
- var updated = ts.updateSourceFileNode(node, combinedStatements, /*isDeclarationFile*/ true, references, getFileReferencesForUsedTypeReferences(), node.hasNoDefaultLib, getLibReferences());
- updated.exportedModulesFromDeclarationEmit = exportedModulesFromDeclarationEmit;
- return updated;
- function getLibReferences() {
- return ts.map(ts.arrayFrom(libs.keys()), function (lib) { return ({ fileName: lib, pos: -1, end: -1 }); });
- }
- function getFileReferencesForUsedTypeReferences() {
- return necessaryTypeReferences ? ts.mapDefined(ts.arrayFrom(necessaryTypeReferences.keys()), getFileReferenceForTypeName) : [];
- }
- function getFileReferenceForTypeName(typeName) {
- // Elide type references for which we have imports
- if (emittedImports) {
- for (var _i = 0, emittedImports_1 = emittedImports; _i < emittedImports_1.length; _i++) {
- var importStatement = emittedImports_1[_i];
- if (ts.isImportEqualsDeclaration(importStatement) && ts.isExternalModuleReference(importStatement.moduleReference)) {
- var expr = importStatement.moduleReference.expression;
- if (ts.isStringLiteralLike(expr) && expr.text === typeName) {
- return undefined;
- }
- }
- else if (ts.isImportDeclaration(importStatement) && ts.isStringLiteral(importStatement.moduleSpecifier) && importStatement.moduleSpecifier.text === typeName) {
- return undefined;
- }
- }
- }
- return { fileName: typeName, pos: -1, end: -1 };
- }
- function mapReferencesIntoArray(references, outputFilePath) {
- return function (file) {
- var declFileName;
- if (file.isDeclarationFile) { // Neither decl files or js should have their refs changed
- declFileName = file.fileName;
- }
- else {
- if (isBundledEmit && ts.contains(node.sourceFiles, file))
- return; // Omit references to files which are being merged
- var paths = ts.getOutputPathsFor(file, host, /*forceDtsPaths*/ true);
- declFileName = paths.declarationFilePath || paths.jsFilePath || file.fileName;
- }
- if (declFileName) {
- var specifier = ts.moduleSpecifiers.getModuleSpecifier(__assign(__assign({}, options), { baseUrl: options.baseUrl && ts.toPath(options.baseUrl, host.getCurrentDirectory(), host.getCanonicalFileName) }), currentSourceFile, ts.toPath(outputFilePath, host.getCurrentDirectory(), host.getCanonicalFileName), ts.toPath(declFileName, host.getCurrentDirectory(), host.getCanonicalFileName), host,
- /*preferences*/ undefined);
- if (!ts.pathIsRelative(specifier)) {
- // If some compiler option/symlink/whatever allows access to the file containing the ambient module declaration
- // via a non-relative name, emit a type reference directive to that non-relative name, rather than
- // a relative path to the declaration file
- recordTypeReferenceDirectivesIfNecessary([specifier]);
- return;
- }
- var fileName = ts.getRelativePathToDirectoryOrUrl(outputFilePath, declFileName, host.getCurrentDirectory(), host.getCanonicalFileName,
- /*isAbsolutePathAnUrl*/ false);
- if (ts.startsWith(fileName, "./") && ts.hasExtension(fileName)) {
- fileName = fileName.substring(2);
- }
- // omit references to files from node_modules (npm may disambiguate module
- // references when installing this package, making the path is unreliable).
- if (ts.startsWith(fileName, "node_modules/") || ts.pathContainsNodeModules(fileName)) {
- return;
- }
- references.push({ pos: -1, end: -1, fileName: fileName });
- }
- };
- }
- }
- function collectReferences(sourceFile, ret) {
- if (noResolve || (!ts.isUnparsedSource(sourceFile) && ts.isSourceFileJS(sourceFile)))
- return ret;
- ts.forEach(sourceFile.referencedFiles, function (f) {
- var elem = host.getSourceFileFromReference(sourceFile, f);
- if (elem) {
- ret.set("" + ts.getOriginalNodeId(elem), elem);
- }
- });
- return ret;
- }
- function collectLibs(sourceFile, ret) {
- ts.forEach(sourceFile.libReferenceDirectives, function (ref) {
- var lib = host.getLibFileFromReference(ref);
- if (lib) {
- ret.set(ts.toFileNameLowerCase(ref.fileName), true);
- }
- });
- return ret;
- }
- function filterBindingPatternInitializers(name) {
- if (name.kind === 75 /* Identifier */) {
- return name;
- }
- else {
- if (name.kind === 190 /* ArrayBindingPattern */) {
- return ts.updateArrayBindingPattern(name, ts.visitNodes(name.elements, visitBindingElement));
- }
- else {
- return ts.updateObjectBindingPattern(name, ts.visitNodes(name.elements, visitBindingElement));
- }
- }
- function visitBindingElement(elem) {
- if (elem.kind === 215 /* OmittedExpression */) {
- return elem;
- }
- return ts.updateBindingElement(elem, elem.dotDotDotToken, elem.propertyName, filterBindingPatternInitializers(elem.name), shouldPrintWithInitializer(elem) ? elem.initializer : undefined);
- }
- }
- function ensureParameter(p, modifierMask, type) {
- var oldDiag;
- if (!suppressNewDiagnosticContexts) {
- oldDiag = getSymbolAccessibilityDiagnostic;
- getSymbolAccessibilityDiagnostic = ts.createGetSymbolAccessibilityDiagnosticForNode(p);
- }
- var newParam = ts.updateParameter(p,
- /*decorators*/ undefined, maskModifiers(p, modifierMask), p.dotDotDotToken, filterBindingPatternInitializers(p.name), resolver.isOptionalParameter(p) ? (p.questionToken || ts.createToken(57 /* QuestionToken */)) : undefined, ensureType(p, type || p.type, /*ignorePrivate*/ true), // Ignore private param props, since this type is going straight back into a param
- ensureNoInitializer(p));
- if (!suppressNewDiagnosticContexts) {
- getSymbolAccessibilityDiagnostic = oldDiag;
- }
- return newParam;
- }
- function shouldPrintWithInitializer(node) {
- return canHaveLiteralInitializer(node) && resolver.isLiteralConstDeclaration(ts.getParseTreeNode(node)); // TODO: Make safe
- }
- function ensureNoInitializer(node) {
- if (shouldPrintWithInitializer(node)) {
- return resolver.createLiteralConstValue(ts.getParseTreeNode(node), symbolTracker); // TODO: Make safe
- }
- return undefined;
- }
- function ensureType(node, type, ignorePrivate) {
- if (!ignorePrivate && ts.hasModifier(node, 8 /* Private */)) {
- // Private nodes emit no types (except private parameter properties, whose parameter types are actually visible)
- return;
- }
- if (shouldPrintWithInitializer(node)) {
- // Literal const declarations will have an initializer ensured rather than a type
- return;
- }
- var shouldUseResolverType = node.kind === 156 /* Parameter */ &&
- (resolver.isRequiredInitializedParameter(node) ||
- resolver.isOptionalUninitializedParameterProperty(node));
- if (type && !shouldUseResolverType) {
- return ts.visitNode(type, visitDeclarationSubtree);
- }
- if (!ts.getParseTreeNode(node)) {
- return type ? ts.visitNode(type, visitDeclarationSubtree) : ts.createKeywordTypeNode(125 /* AnyKeyword */);
- }
- if (node.kind === 164 /* SetAccessor */) {
- // Set accessors with no associated type node (from it's param or get accessor return) are `any` since they are never contextually typed right now
- // (The inferred type here will be void, but the old declaration emitter printed `any`, so this replicates that)
- return ts.createKeywordTypeNode(125 /* AnyKeyword */);
- }
- errorNameNode = node.name;
- var oldDiag;
- if (!suppressNewDiagnosticContexts) {
- oldDiag = getSymbolAccessibilityDiagnostic;
- getSymbolAccessibilityDiagnostic = ts.createGetSymbolAccessibilityDiagnosticForNode(node);
- }
- if (node.kind === 242 /* VariableDeclaration */ || node.kind === 191 /* BindingElement */) {
- return cleanup(resolver.createTypeOfDeclaration(node, enclosingDeclaration, declarationEmitNodeBuilderFlags, symbolTracker));
- }
- if (node.kind === 156 /* Parameter */
- || node.kind === 159 /* PropertyDeclaration */
- || node.kind === 158 /* PropertySignature */) {
- if (!node.initializer)
- return cleanup(resolver.createTypeOfDeclaration(node, enclosingDeclaration, declarationEmitNodeBuilderFlags, symbolTracker, shouldUseResolverType));
- return cleanup(resolver.createTypeOfDeclaration(node, enclosingDeclaration, declarationEmitNodeBuilderFlags, symbolTracker, shouldUseResolverType) || resolver.createTypeOfExpression(node.initializer, enclosingDeclaration, declarationEmitNodeBuilderFlags, symbolTracker));
- }
- return cleanup(resolver.createReturnTypeOfSignatureDeclaration(node, enclosingDeclaration, declarationEmitNodeBuilderFlags, symbolTracker));
- function cleanup(returnValue) {
- errorNameNode = undefined;
- if (!suppressNewDiagnosticContexts) {
- getSymbolAccessibilityDiagnostic = oldDiag;
- }
- return returnValue || ts.createKeywordTypeNode(125 /* AnyKeyword */);
- }
- }
- function isDeclarationAndNotVisible(node) {
- node = ts.getParseTreeNode(node);
- switch (node.kind) {
- case 244 /* FunctionDeclaration */:
- case 249 /* ModuleDeclaration */:
- case 246 /* InterfaceDeclaration */:
- case 245 /* ClassDeclaration */:
- case 247 /* TypeAliasDeclaration */:
- case 248 /* EnumDeclaration */:
- return !resolver.isDeclarationVisible(node);
- // The following should be doing their own visibility checks based on filtering their members
- case 242 /* VariableDeclaration */:
- return !getBindingNameVisible(node);
- case 253 /* ImportEqualsDeclaration */:
- case 254 /* ImportDeclaration */:
- case 260 /* ExportDeclaration */:
- case 259 /* ExportAssignment */:
- return false;
- }
- return false;
- }
- function getBindingNameVisible(elem) {
- if (ts.isOmittedExpression(elem)) {
- return false;
- }
- if (ts.isBindingPattern(elem.name)) {
- // If any child binding pattern element has been marked visible (usually by collect linked aliases), then this is visible
- return ts.some(elem.name.elements, getBindingNameVisible);
- }
- else {
- return resolver.isDeclarationVisible(elem);
- }
- }
- function updateParamsList(node, params, modifierMask) {
- if (ts.hasModifier(node, 8 /* Private */)) {
- return undefined; // TODO: GH#18217
- }
- var newParams = ts.map(params, function (p) { return ensureParameter(p, modifierMask); });
- if (!newParams) {
- return undefined; // TODO: GH#18217
- }
- return ts.createNodeArray(newParams, params.hasTrailingComma);
- }
- function updateAccessorParamsList(input, isPrivate) {
- var newParams;
- if (!isPrivate) {
- var thisParameter = ts.getThisParameter(input);
- if (thisParameter) {
- newParams = [ensureParameter(thisParameter)];
- }
- }
- if (ts.isSetAccessorDeclaration(input)) {
- var newValueParameter = void 0;
- if (!isPrivate) {
- var valueParameter = ts.getSetAccessorValueParameter(input);
- if (valueParameter) {
- var accessorType = getTypeAnnotationFromAllAccessorDeclarations(input, resolver.getAllAccessorDeclarations(input));
- newValueParameter = ensureParameter(valueParameter, /*modifierMask*/ undefined, accessorType);
- }
- }
- if (!newValueParameter) {
- newValueParameter = ts.createParameter(
- /*decorators*/ undefined,
- /*modifiers*/ undefined,
- /*dotDotDotToken*/ undefined, "value");
- }
- newParams = ts.append(newParams, newValueParameter);
- }
- return ts.createNodeArray(newParams || ts.emptyArray);
- }
- function ensureTypeParams(node, params) {
- return ts.hasModifier(node, 8 /* Private */) ? undefined : ts.visitNodes(params, visitDeclarationSubtree);
- }
- function isEnclosingDeclaration(node) {
- return ts.isSourceFile(node)
- || ts.isTypeAliasDeclaration(node)
- || ts.isModuleDeclaration(node)
- || ts.isClassDeclaration(node)
- || ts.isInterfaceDeclaration(node)
- || ts.isFunctionLike(node)
- || ts.isIndexSignatureDeclaration(node)
- || ts.isMappedTypeNode(node);
- }
- function checkEntityNameVisibility(entityName, enclosingDeclaration) {
- var visibilityResult = resolver.isEntityNameVisible(entityName, enclosingDeclaration);
- handleSymbolAccessibilityError(visibilityResult);
- recordTypeReferenceDirectivesIfNecessary(resolver.getTypeReferenceDirectivesForEntityName(entityName));
- }
- function preserveJsDoc(updated, original) {
- if (ts.hasJSDocNodes(updated) && ts.hasJSDocNodes(original)) {
- updated.jsDoc = original.jsDoc;
- }
- return ts.setCommentRange(updated, ts.getCommentRange(original));
- }
- function rewriteModuleSpecifier(parent, input) {
- if (!input)
- return undefined; // TODO: GH#18217
- resultHasExternalModuleIndicator = resultHasExternalModuleIndicator || (parent.kind !== 249 /* ModuleDeclaration */ && parent.kind !== 188 /* ImportType */);
- if (ts.isStringLiteralLike(input)) {
- if (isBundledEmit) {
- var newName = ts.getExternalModuleNameFromDeclaration(context.getEmitHost(), resolver, parent);
- if (newName) {
- return ts.createLiteral(newName);
- }
- }
- else {
- var symbol = resolver.getSymbolOfExternalModuleSpecifier(input);
- if (symbol) {
- (exportedModulesFromDeclarationEmit || (exportedModulesFromDeclarationEmit = [])).push(symbol);
- }
- }
- }
- return input;
- }
- function transformImportEqualsDeclaration(decl) {
- if (!resolver.isDeclarationVisible(decl))
- return;
- if (decl.moduleReference.kind === 265 /* ExternalModuleReference */) {
- // Rewrite external module names if necessary
- var specifier = ts.getExternalModuleImportEqualsDeclarationExpression(decl);
- return ts.updateImportEqualsDeclaration(decl,
- /*decorators*/ undefined, decl.modifiers, decl.name, ts.updateExternalModuleReference(decl.moduleReference, rewriteModuleSpecifier(decl, specifier)));
- }
- else {
- var oldDiag = getSymbolAccessibilityDiagnostic;
- getSymbolAccessibilityDiagnostic = ts.createGetSymbolAccessibilityDiagnosticForNode(decl);
- checkEntityNameVisibility(decl.moduleReference, enclosingDeclaration);
- getSymbolAccessibilityDiagnostic = oldDiag;
- return decl;
- }
- }
- function transformImportDeclaration(decl) {
- if (!decl.importClause) {
- // import "mod" - possibly needed for side effects? (global interface patches, module augmentations, etc)
- return ts.updateImportDeclaration(decl,
- /*decorators*/ undefined, decl.modifiers, decl.importClause, rewriteModuleSpecifier(decl, decl.moduleSpecifier));
- }
- // The `importClause` visibility corresponds to the default's visibility.
- var visibleDefaultBinding = decl.importClause && decl.importClause.name && resolver.isDeclarationVisible(decl.importClause) ? decl.importClause.name : undefined;
- if (!decl.importClause.namedBindings) {
- // No named bindings (either namespace or list), meaning the import is just default or should be elided
- return visibleDefaultBinding && ts.updateImportDeclaration(decl, /*decorators*/ undefined, decl.modifiers, ts.updateImportClause(decl.importClause, visibleDefaultBinding,
- /*namedBindings*/ undefined, decl.importClause.isTypeOnly), rewriteModuleSpecifier(decl, decl.moduleSpecifier));
- }
- if (decl.importClause.namedBindings.kind === 256 /* NamespaceImport */) {
- // Namespace import (optionally with visible default)
- var namedBindings = resolver.isDeclarationVisible(decl.importClause.namedBindings) ? decl.importClause.namedBindings : /*namedBindings*/ undefined;
- return visibleDefaultBinding || namedBindings ? ts.updateImportDeclaration(decl, /*decorators*/ undefined, decl.modifiers, ts.updateImportClause(decl.importClause, visibleDefaultBinding, namedBindings, decl.importClause.isTypeOnly), rewriteModuleSpecifier(decl, decl.moduleSpecifier)) : undefined;
- }
- // Named imports (optionally with visible default)
- var bindingList = ts.mapDefined(decl.importClause.namedBindings.elements, function (b) { return resolver.isDeclarationVisible(b) ? b : undefined; });
- if ((bindingList && bindingList.length) || visibleDefaultBinding) {
- return ts.updateImportDeclaration(decl,
- /*decorators*/ undefined, decl.modifiers, ts.updateImportClause(decl.importClause, visibleDefaultBinding, bindingList && bindingList.length ? ts.updateNamedImports(decl.importClause.namedBindings, bindingList) : undefined, decl.importClause.isTypeOnly), rewriteModuleSpecifier(decl, decl.moduleSpecifier));
- }
- // Augmentation of export depends on import
- if (resolver.isImportRequiredByAugmentation(decl)) {
- return ts.updateImportDeclaration(decl,
- /*decorators*/ undefined, decl.modifiers,
- /*importClause*/ undefined, rewriteModuleSpecifier(decl, decl.moduleSpecifier));
- }
- // Nothing visible
- }
- function transformAndReplaceLatePaintedStatements(statements) {
- // This is a `while` loop because `handleSymbolAccessibilityError` can see additional import aliases marked as visible during
- // error handling which must now be included in the output and themselves checked for errors.
- // For example:
- // ```
- // module A {
- // export module Q {}
- // import B = Q;
- // import C = B;
- // export import D = C;
- // }
- // ```
- // In such a scenario, only Q and D are initially visible, but we don't consider imports as private names - instead we say they if they are referenced they must
- // be recorded. So while checking D's visibility we mark C as visible, then we must check C which in turn marks B, completing the chain of
- // dependent imports and allowing a valid declaration file output. Today, this dependent alias marking only happens for internal import aliases.
- while (ts.length(lateMarkedStatements)) {
- var i = lateMarkedStatements.shift();
- if (!ts.isLateVisibilityPaintedStatement(i)) {
- return ts.Debug.fail("Late replaced statement was found which is not handled by the declaration transformer!: " + (ts.SyntaxKind ? ts.SyntaxKind[i.kind] : i.kind));
- }
- var priorNeedsDeclare = needsDeclare;
- needsDeclare = i.parent && ts.isSourceFile(i.parent) && !(ts.isExternalModule(i.parent) && isBundledEmit);
- var result = transformTopLevelDeclaration(i);
- needsDeclare = priorNeedsDeclare;
- lateStatementReplacementMap.set("" + ts.getOriginalNodeId(i), result);
- }
- // And lastly, we need to get the final form of all those indetermine import declarations from before and add them to the output list
- // (and remove them from the set to examine for outter declarations)
- return ts.visitNodes(statements, visitLateVisibilityMarkedStatements);
- function visitLateVisibilityMarkedStatements(statement) {
- if (ts.isLateVisibilityPaintedStatement(statement)) {
- var key = "" + ts.getOriginalNodeId(statement);
- if (lateStatementReplacementMap.has(key)) {
- var result = lateStatementReplacementMap.get(key);
- lateStatementReplacementMap.delete(key);
- if (result) {
- if (ts.isArray(result) ? ts.some(result, ts.needsScopeMarker) : ts.needsScopeMarker(result)) {
- // Top-level declarations in .d.ts files are always considered exported even without a modifier unless there's an export assignment or specifier
- needsScopeFixMarker = true;
- }
- if (ts.isSourceFile(statement.parent) && (ts.isArray(result) ? ts.some(result, ts.isExternalModuleIndicator) : ts.isExternalModuleIndicator(result))) {
- resultHasExternalModuleIndicator = true;
- }
- }
- return result;
- }
- }
- return statement;
- }
- }
- function visitDeclarationSubtree(input) {
- if (shouldStripInternal(input))
- return;
- if (ts.isDeclaration(input)) {
- if (isDeclarationAndNotVisible(input))
- return;
- if (ts.hasDynamicName(input) && !resolver.isLateBound(ts.getParseTreeNode(input))) {
- return;
- }
- }
- // Elide implementation signatures from overload sets
- if (ts.isFunctionLike(input) && resolver.isImplementationOfOverload(input))
- return;
- // Elide semicolon class statements
- if (ts.isSemicolonClassElement(input))
- return;
- var previousEnclosingDeclaration;
- if (isEnclosingDeclaration(input)) {
- previousEnclosingDeclaration = enclosingDeclaration;
- enclosingDeclaration = input;
- }
- var oldDiag = getSymbolAccessibilityDiagnostic;
- // Setup diagnostic-related flags before first potential `cleanup` call, otherwise
- // We'd see a TDZ violation at runtime
- var canProduceDiagnostic = ts.canProduceDiagnostics(input);
- var oldWithinObjectLiteralType = suppressNewDiagnosticContexts;
- var shouldEnterSuppressNewDiagnosticsContextContext = ((input.kind === 173 /* TypeLiteral */ || input.kind === 186 /* MappedType */) && input.parent.kind !== 247 /* TypeAliasDeclaration */);
- // Emit methods which are private as properties with no type information
- if (ts.isMethodDeclaration(input) || ts.isMethodSignature(input)) {
- if (ts.hasModifier(input, 8 /* Private */)) {
- if (input.symbol && input.symbol.declarations && input.symbol.declarations[0] !== input)
- return; // Elide all but the first overload
- return cleanup(ts.createProperty(/*decorators*/ undefined, ensureModifiers(input), input.name, /*questionToken*/ undefined, /*type*/ undefined, /*initializer*/ undefined));
- }
- }
- if (canProduceDiagnostic && !suppressNewDiagnosticContexts) {
- getSymbolAccessibilityDiagnostic = ts.createGetSymbolAccessibilityDiagnosticForNode(input);
- }
- if (ts.isTypeQueryNode(input)) {
- checkEntityNameVisibility(input.exprName, enclosingDeclaration);
- }
- if (shouldEnterSuppressNewDiagnosticsContextContext) {
- // We stop making new diagnostic contexts within object literal types. Unless it's an object type on the RHS of a type alias declaration. Then we do.
- suppressNewDiagnosticContexts = true;
- }
- if (isProcessedComponent(input)) {
- switch (input.kind) {
- case 216 /* ExpressionWithTypeArguments */: {
- if ((ts.isEntityName(input.expression) || ts.isEntityNameExpression(input.expression))) {
- checkEntityNameVisibility(input.expression, enclosingDeclaration);
- }
- var node = ts.visitEachChild(input, visitDeclarationSubtree, context);
- return cleanup(ts.updateExpressionWithTypeArguments(node, ts.parenthesizeTypeParameters(node.typeArguments), node.expression));
- }
- case 169 /* TypeReference */: {
- checkEntityNameVisibility(input.typeName, enclosingDeclaration);
- var node = ts.visitEachChild(input, visitDeclarationSubtree, context);
- return cleanup(ts.updateTypeReferenceNode(node, node.typeName, ts.parenthesizeTypeParameters(node.typeArguments)));
- }
- case 166 /* ConstructSignature */:
- return cleanup(ts.updateConstructSignature(input, ensureTypeParams(input, input.typeParameters), updateParamsList(input, input.parameters), ensureType(input, input.type)));
- case 162 /* Constructor */: {
- // A constructor declaration may not have a type annotation
- var ctor = ts.createSignatureDeclaration(162 /* Constructor */, ensureTypeParams(input, input.typeParameters), updateParamsList(input, input.parameters, 0 /* None */),
- /*type*/ undefined);
- ctor.modifiers = ts.createNodeArray(ensureModifiers(input));
- return cleanup(ctor);
- }
- case 161 /* MethodDeclaration */: {
- if (ts.isPrivateIdentifier(input.name)) {
- return cleanup(/*returnValue*/ undefined);
- }
- var sig = ts.createSignatureDeclaration(160 /* MethodSignature */, ensureTypeParams(input, input.typeParameters), updateParamsList(input, input.parameters), ensureType(input, input.type));
- sig.name = input.name;
- sig.modifiers = ts.createNodeArray(ensureModifiers(input));
- sig.questionToken = input.questionToken;
- return cleanup(sig);
- }
- case 163 /* GetAccessor */: {
- if (ts.isPrivateIdentifier(input.name)) {
- return cleanup(/*returnValue*/ undefined);
- }
- var accessorType = getTypeAnnotationFromAllAccessorDeclarations(input, resolver.getAllAccessorDeclarations(input));
- return cleanup(ts.updateGetAccessor(input,
- /*decorators*/ undefined, ensureModifiers(input), input.name, updateAccessorParamsList(input, ts.hasModifier(input, 8 /* Private */)), ensureType(input, accessorType),
- /*body*/ undefined));
- }
- case 164 /* SetAccessor */: {
- if (ts.isPrivateIdentifier(input.name)) {
- return cleanup(/*returnValue*/ undefined);
- }
- return cleanup(ts.updateSetAccessor(input,
- /*decorators*/ undefined, ensureModifiers(input), input.name, updateAccessorParamsList(input, ts.hasModifier(input, 8 /* Private */)),
- /*body*/ undefined));
- }
- case 159 /* PropertyDeclaration */:
- if (ts.isPrivateIdentifier(input.name)) {
- return cleanup(/*returnValue*/ undefined);
- }
- return cleanup(ts.updateProperty(input,
- /*decorators*/ undefined, ensureModifiers(input), input.name, input.questionToken, ensureType(input, input.type), ensureNoInitializer(input)));
- case 158 /* PropertySignature */:
- if (ts.isPrivateIdentifier(input.name)) {
- return cleanup(/*returnValue*/ undefined);
- }
- return cleanup(ts.updatePropertySignature(input, ensureModifiers(input), input.name, input.questionToken, ensureType(input, input.type), ensureNoInitializer(input)));
- case 160 /* MethodSignature */: {
- if (ts.isPrivateIdentifier(input.name)) {
- return cleanup(/*returnValue*/ undefined);
- }
- return cleanup(ts.updateMethodSignature(input, ensureTypeParams(input, input.typeParameters), updateParamsList(input, input.parameters), ensureType(input, input.type), input.name, input.questionToken));
- }
- case 165 /* CallSignature */: {
- return cleanup(ts.updateCallSignature(input, ensureTypeParams(input, input.typeParameters), updateParamsList(input, input.parameters), ensureType(input, input.type)));
- }
- case 167 /* IndexSignature */: {
- return cleanup(ts.updateIndexSignature(input,
- /*decorators*/ undefined, ensureModifiers(input), updateParamsList(input, input.parameters), ts.visitNode(input.type, visitDeclarationSubtree) || ts.createKeywordTypeNode(125 /* AnyKeyword */)));
- }
- case 242 /* VariableDeclaration */: {
- if (ts.isBindingPattern(input.name)) {
- return recreateBindingPattern(input.name);
- }
- shouldEnterSuppressNewDiagnosticsContextContext = true;
- suppressNewDiagnosticContexts = true; // Variable declaration types also suppress new diagnostic contexts, provided the contexts wouldn't be made for binding pattern types
- return cleanup(ts.updateTypeScriptVariableDeclaration(input, input.name, /*exclaimationToken*/ undefined, ensureType(input, input.type), ensureNoInitializer(input)));
- }
- case 155 /* TypeParameter */: {
- if (isPrivateMethodTypeParameter(input) && (input.default || input.constraint)) {
- return cleanup(ts.updateTypeParameterDeclaration(input, input.name, /*constraint*/ undefined, /*defaultType*/ undefined));
- }
- return cleanup(ts.visitEachChild(input, visitDeclarationSubtree, context));
- }
- case 180 /* ConditionalType */: {
- // We have to process conditional types in a special way because for visibility purposes we need to push a new enclosingDeclaration
- // just for the `infer` types in the true branch. It's an implicit declaration scope that only applies to _part_ of the type.
- var checkType = ts.visitNode(input.checkType, visitDeclarationSubtree);
- var extendsType = ts.visitNode(input.extendsType, visitDeclarationSubtree);
- var oldEnclosingDecl = enclosingDeclaration;
- enclosingDeclaration = input.trueType;
- var trueType = ts.visitNode(input.trueType, visitDeclarationSubtree);
- enclosingDeclaration = oldEnclosingDecl;
- var falseType = ts.visitNode(input.falseType, visitDeclarationSubtree);
- return cleanup(ts.updateConditionalTypeNode(input, checkType, extendsType, trueType, falseType));
- }
- case 170 /* FunctionType */: {
- return cleanup(ts.updateFunctionTypeNode(input, ts.visitNodes(input.typeParameters, visitDeclarationSubtree), updateParamsList(input, input.parameters), ts.visitNode(input.type, visitDeclarationSubtree)));
- }
- case 171 /* ConstructorType */: {
- return cleanup(ts.updateConstructorTypeNode(input, ts.visitNodes(input.typeParameters, visitDeclarationSubtree), updateParamsList(input, input.parameters), ts.visitNode(input.type, visitDeclarationSubtree)));
- }
- case 188 /* ImportType */: {
- if (!ts.isLiteralImportTypeNode(input))
- return cleanup(input);
- return cleanup(ts.updateImportTypeNode(input, ts.updateLiteralTypeNode(input.argument, rewriteModuleSpecifier(input, input.argument.literal)), input.qualifier, ts.visitNodes(input.typeArguments, visitDeclarationSubtree, ts.isTypeNode), input.isTypeOf));
- }
- default: ts.Debug.assertNever(input, "Attempted to process unhandled node kind: " + ts.SyntaxKind[input.kind]);
- }
- }
- return cleanup(ts.visitEachChild(input, visitDeclarationSubtree, context));
- function cleanup(returnValue) {
- if (returnValue && canProduceDiagnostic && ts.hasDynamicName(input)) {
- checkName(input);
- }
- if (isEnclosingDeclaration(input)) {
- enclosingDeclaration = previousEnclosingDeclaration;
- }
- if (canProduceDiagnostic && !suppressNewDiagnosticContexts) {
- getSymbolAccessibilityDiagnostic = oldDiag;
- }
- if (shouldEnterSuppressNewDiagnosticsContextContext) {
- suppressNewDiagnosticContexts = oldWithinObjectLiteralType;
- }
- if (returnValue === input) {
- return returnValue;
- }
- return returnValue && ts.setOriginalNode(preserveJsDoc(returnValue, input), input);
- }
- }
- function isPrivateMethodTypeParameter(node) {
- return node.parent.kind === 161 /* MethodDeclaration */ && ts.hasModifier(node.parent, 8 /* Private */);
- }
- function visitDeclarationStatements(input) {
- if (!isPreservedDeclarationStatement(input)) {
- // return undefined for unmatched kinds to omit them from the tree
- return;
- }
- if (shouldStripInternal(input))
- return;
- switch (input.kind) {
- case 260 /* ExportDeclaration */: {
- if (ts.isSourceFile(input.parent)) {
- resultHasExternalModuleIndicator = true;
- }
- resultHasScopeMarker = true;
- // Always visible if the parent node isn't dropped for being not visible
- // Rewrite external module names if necessary
- return ts.updateExportDeclaration(input,
- /*decorators*/ undefined, input.modifiers, input.exportClause, rewriteModuleSpecifier(input, input.moduleSpecifier), input.isTypeOnly);
- }
- case 259 /* ExportAssignment */: {
- // Always visible if the parent node isn't dropped for being not visible
- if (ts.isSourceFile(input.parent)) {
- resultHasExternalModuleIndicator = true;
- }
- resultHasScopeMarker = true;
- if (input.expression.kind === 75 /* Identifier */) {
- return input;
- }
- else {
- var newId = ts.createOptimisticUniqueName("_default");
- getSymbolAccessibilityDiagnostic = function () { return ({
- diagnosticMessage: ts.Diagnostics.Default_export_of_the_module_has_or_is_using_private_name_0,
- errorNode: input
- }); };
- var varDecl = ts.createVariableDeclaration(newId, resolver.createTypeOfExpression(input.expression, input, declarationEmitNodeBuilderFlags, symbolTracker), /*initializer*/ undefined);
- var statement = ts.createVariableStatement(needsDeclare ? [ts.createModifier(130 /* DeclareKeyword */)] : [], ts.createVariableDeclarationList([varDecl], 2 /* Const */));
- return [statement, ts.updateExportAssignment(input, input.decorators, input.modifiers, newId)];
- }
- }
- }
- var result = transformTopLevelDeclaration(input);
- // Don't actually transform yet; just leave as original node - will be elided/swapped by late pass
- lateStatementReplacementMap.set("" + ts.getOriginalNodeId(input), result);
- return input;
- }
- function stripExportModifiers(statement) {
- if (ts.isImportEqualsDeclaration(statement) || ts.hasModifier(statement, 512 /* Default */)) {
- // `export import` statements should remain as-is, as imports are _not_ implicitly exported in an ambient namespace
- // Likewise, `export default` classes and the like and just be `default`, so we preserve their `export` modifiers, too
- return statement;
- }
- var clone = ts.getMutableClone(statement);
- var modifiers = ts.createModifiersFromModifierFlags(ts.getModifierFlags(statement) & (3071 /* All */ ^ 1 /* Export */));
- clone.modifiers = modifiers.length ? ts.createNodeArray(modifiers) : undefined;
- return clone;
- }
- function transformTopLevelDeclaration(input) {
- if (shouldStripInternal(input))
- return;
- switch (input.kind) {
- case 253 /* ImportEqualsDeclaration */: {
- return transformImportEqualsDeclaration(input);
- }
- case 254 /* ImportDeclaration */: {
- return transformImportDeclaration(input);
- }
- }
- if (ts.isDeclaration(input) && isDeclarationAndNotVisible(input))
- return;
- // Elide implementation signatures from overload sets
- if (ts.isFunctionLike(input) && resolver.isImplementationOfOverload(input))
- return;
- var previousEnclosingDeclaration;
- if (isEnclosingDeclaration(input)) {
- previousEnclosingDeclaration = enclosingDeclaration;
- enclosingDeclaration = input;
- }
- var canProdiceDiagnostic = ts.canProduceDiagnostics(input);
- var oldDiag = getSymbolAccessibilityDiagnostic;
- if (canProdiceDiagnostic) {
- getSymbolAccessibilityDiagnostic = ts.createGetSymbolAccessibilityDiagnosticForNode(input);
- }
- var previousNeedsDeclare = needsDeclare;
- switch (input.kind) {
- case 247 /* TypeAliasDeclaration */: // Type aliases get `declare`d if need be (for legacy support), but that's all
- return cleanup(ts.updateTypeAliasDeclaration(input,
- /*decorators*/ undefined, ensureModifiers(input), input.name, ts.visitNodes(input.typeParameters, visitDeclarationSubtree, ts.isTypeParameterDeclaration), ts.visitNode(input.type, visitDeclarationSubtree, ts.isTypeNode)));
- case 246 /* InterfaceDeclaration */: {
- return cleanup(ts.updateInterfaceDeclaration(input,
- /*decorators*/ undefined, ensureModifiers(input), input.name, ensureTypeParams(input, input.typeParameters), transformHeritageClauses(input.heritageClauses), ts.visitNodes(input.members, visitDeclarationSubtree)));
- }
- case 244 /* FunctionDeclaration */: {
- // Generators lose their generator-ness, excepting their return type
- var clean = cleanup(ts.updateFunctionDeclaration(input,
- /*decorators*/ undefined, ensureModifiers(input),
- /*asteriskToken*/ undefined, input.name, ensureTypeParams(input, input.typeParameters), updateParamsList(input, input.parameters), ensureType(input, input.type),
- /*body*/ undefined));
- if (clean && resolver.isExpandoFunctionDeclaration(input)) {
- var props = resolver.getPropertiesOfContainerFunction(input);
- var fakespace_1 = ts.createModuleDeclaration(/*decorators*/ undefined, /*modifiers*/ undefined, clean.name || ts.createIdentifier("_default"), ts.createModuleBlock([]), 16 /* Namespace */);
- fakespace_1.flags ^= 8 /* Synthesized */; // unset synthesized so it is usable as an enclosing declaration
- fakespace_1.parent = enclosingDeclaration;
- fakespace_1.locals = ts.createSymbolTable(props);
- fakespace_1.symbol = props[0].parent;
- var declarations = ts.mapDefined(props, function (p) {
- if (!ts.isPropertyAccessExpression(p.valueDeclaration)) {
- return undefined; // TODO GH#33569: Handle element access expressions that created late bound names (rather than silently omitting them)
- }
- getSymbolAccessibilityDiagnostic = ts.createGetSymbolAccessibilityDiagnosticForNode(p.valueDeclaration);
- var type = resolver.createTypeOfDeclaration(p.valueDeclaration, fakespace_1, declarationEmitNodeBuilderFlags, symbolTracker);
- getSymbolAccessibilityDiagnostic = oldDiag;
- var varDecl = ts.createVariableDeclaration(ts.unescapeLeadingUnderscores(p.escapedName), type, /*initializer*/ undefined);
- return ts.createVariableStatement(/*modifiers*/ undefined, ts.createVariableDeclarationList([varDecl]));
- });
- var namespaceDecl = ts.createModuleDeclaration(/*decorators*/ undefined, ensureModifiers(input), input.name, ts.createModuleBlock(declarations), 16 /* Namespace */);
- if (!ts.hasModifier(clean, 512 /* Default */)) {
- return [clean, namespaceDecl];
- }
- var modifiers = ts.createModifiersFromModifierFlags((ts.getModifierFlags(clean) & ~513 /* ExportDefault */) | 2 /* Ambient */);
- var cleanDeclaration = ts.updateFunctionDeclaration(clean,
- /*decorators*/ undefined, modifiers,
- /*asteriskToken*/ undefined, clean.name, clean.typeParameters, clean.parameters, clean.type,
- /*body*/ undefined);
- var namespaceDeclaration = ts.updateModuleDeclaration(namespaceDecl,
- /*decorators*/ undefined, modifiers, namespaceDecl.name, namespaceDecl.body);
- var exportDefaultDeclaration = ts.createExportAssignment(
- /*decorators*/ undefined,
- /*modifiers*/ undefined,
- /*isExportEquals*/ false, namespaceDecl.name);
- if (ts.isSourceFile(input.parent)) {
- resultHasExternalModuleIndicator = true;
- }
- resultHasScopeMarker = true;
- return [cleanDeclaration, namespaceDeclaration, exportDefaultDeclaration];
- }
- else {
- return clean;
- }
- }
- case 249 /* ModuleDeclaration */: {
- needsDeclare = false;
- var inner = input.body;
- if (inner && inner.kind === 250 /* ModuleBlock */) {
- var oldNeedsScopeFix = needsScopeFixMarker;
- var oldHasScopeFix = resultHasScopeMarker;
- resultHasScopeMarker = false;
- needsScopeFixMarker = false;
- var statements = ts.visitNodes(inner.statements, visitDeclarationStatements);
- var lateStatements = transformAndReplaceLatePaintedStatements(statements);
- if (input.flags & 8388608 /* Ambient */) {
- needsScopeFixMarker = false; // If it was `declare`'d everything is implicitly exported already, ignore late printed "privates"
- }
- // With the final list of statements, there are 3 possibilities:
- // 1. There's an export assignment or export declaration in the namespace - do nothing
- // 2. Everything is exported and there are no export assignments or export declarations - strip all export modifiers
- // 3. Some things are exported, some are not, and there's no marker - add an empty marker
- if (!ts.isGlobalScopeAugmentation(input) && !hasScopeMarker(lateStatements) && !resultHasScopeMarker) {
- if (needsScopeFixMarker) {
- lateStatements = ts.createNodeArray(__spreadArrays(lateStatements, [ts.createEmptyExports()]));
- }
- else {
- lateStatements = ts.visitNodes(lateStatements, stripExportModifiers);
- }
- }
- var body = ts.updateModuleBlock(inner, lateStatements);
- needsDeclare = previousNeedsDeclare;
- needsScopeFixMarker = oldNeedsScopeFix;
- resultHasScopeMarker = oldHasScopeFix;
- var mods = ensureModifiers(input);
- return cleanup(ts.updateModuleDeclaration(input,
- /*decorators*/ undefined, mods, ts.isExternalModuleAugmentation(input) ? rewriteModuleSpecifier(input, input.name) : input.name, body));
- }
- else {
- needsDeclare = previousNeedsDeclare;
- var mods = ensureModifiers(input);
- needsDeclare = false;
- ts.visitNode(inner, visitDeclarationStatements);
- // eagerly transform nested namespaces (the nesting doesn't need any elision or painting done)
- var id = "" + ts.getOriginalNodeId(inner); // TODO: GH#18217
- var body = lateStatementReplacementMap.get(id);
- lateStatementReplacementMap.delete(id);
- return cleanup(ts.updateModuleDeclaration(input,
- /*decorators*/ undefined, mods, input.name, body));
- }
- }
- case 245 /* ClassDeclaration */: {
- var modifiers = ts.createNodeArray(ensureModifiers(input));
- var typeParameters = ensureTypeParams(input, input.typeParameters);
- var ctor = ts.getFirstConstructorWithBody(input);
- var parameterProperties = void 0;
- if (ctor) {
- var oldDiag_1 = getSymbolAccessibilityDiagnostic;
- parameterProperties = ts.compact(ts.flatMap(ctor.parameters, function (param) {
- if (!ts.hasModifier(param, 92 /* ParameterPropertyModifier */) || shouldStripInternal(param))
- return;
- getSymbolAccessibilityDiagnostic = ts.createGetSymbolAccessibilityDiagnosticForNode(param);
- if (param.name.kind === 75 /* Identifier */) {
- return preserveJsDoc(ts.createProperty(
- /*decorators*/ undefined, ensureModifiers(param), param.name, param.questionToken, ensureType(param, param.type), ensureNoInitializer(param)), param);
- }
- else {
- // Pattern - this is currently an error, but we emit declarations for it somewhat correctly
- return walkBindingPattern(param.name);
- }
- function walkBindingPattern(pattern) {
- var elems;
- for (var _i = 0, _a = pattern.elements; _i < _a.length; _i++) {
- var elem = _a[_i];
- if (ts.isOmittedExpression(elem))
- continue;
- if (ts.isBindingPattern(elem.name)) {
- elems = ts.concatenate(elems, walkBindingPattern(elem.name));
- }
- elems = elems || [];
- elems.push(ts.createProperty(
- /*decorators*/ undefined, ensureModifiers(param), elem.name,
- /*questionToken*/ undefined, ensureType(elem, /*type*/ undefined),
- /*initializer*/ undefined));
- }
- return elems;
- }
- }));
- getSymbolAccessibilityDiagnostic = oldDiag_1;
- }
- var hasPrivateIdentifier = ts.some(input.members, function (member) { return !!member.name && ts.isPrivateIdentifier(member.name); });
- var privateIdentifier = hasPrivateIdentifier ? [
- ts.createProperty(
- /*decorators*/ undefined,
- /*modifiers*/ undefined, ts.createPrivateIdentifier("#private"),
- /*questionToken*/ undefined,
- /*type*/ undefined,
- /*initializer*/ undefined)
- ] : undefined;
- var memberNodes = ts.concatenate(ts.concatenate(privateIdentifier, parameterProperties), ts.visitNodes(input.members, visitDeclarationSubtree));
- var members = ts.createNodeArray(memberNodes);
- var extendsClause_1 = ts.getEffectiveBaseTypeNode(input);
- if (extendsClause_1 && !ts.isEntityNameExpression(extendsClause_1.expression) && extendsClause_1.expression.kind !== 100 /* NullKeyword */) {
- // We must add a temporary declaration for the extends clause expression
- var oldId = input.name ? ts.unescapeLeadingUnderscores(input.name.escapedText) : "default";
- var newId_1 = ts.createOptimisticUniqueName(oldId + "_base");
- getSymbolAccessibilityDiagnostic = function () { return ({
- diagnosticMessage: ts.Diagnostics.extends_clause_of_exported_class_0_has_or_is_using_private_name_1,
- errorNode: extendsClause_1,
- typeName: input.name
- }); };
- var varDecl = ts.createVariableDeclaration(newId_1, resolver.createTypeOfExpression(extendsClause_1.expression, input, declarationEmitNodeBuilderFlags, symbolTracker), /*initializer*/ undefined);
- var statement = ts.createVariableStatement(needsDeclare ? [ts.createModifier(130 /* DeclareKeyword */)] : [], ts.createVariableDeclarationList([varDecl], 2 /* Const */));
- var heritageClauses = ts.createNodeArray(ts.map(input.heritageClauses, function (clause) {
- if (clause.token === 90 /* ExtendsKeyword */) {
- var oldDiag_2 = getSymbolAccessibilityDiagnostic;
- getSymbolAccessibilityDiagnostic = ts.createGetSymbolAccessibilityDiagnosticForNode(clause.types[0]);
- var newClause = ts.updateHeritageClause(clause, ts.map(clause.types, function (t) { return ts.updateExpressionWithTypeArguments(t, ts.visitNodes(t.typeArguments, visitDeclarationSubtree), newId_1); }));
- getSymbolAccessibilityDiagnostic = oldDiag_2;
- return newClause;
- }
- return ts.updateHeritageClause(clause, ts.visitNodes(ts.createNodeArray(ts.filter(clause.types, function (t) { return ts.isEntityNameExpression(t.expression) || t.expression.kind === 100 /* NullKeyword */; })), visitDeclarationSubtree));
- }));
- return [statement, cleanup(ts.updateClassDeclaration(input,
- /*decorators*/ undefined, modifiers, input.name, typeParameters, heritageClauses, members))]; // TODO: GH#18217
- }
- else {
- var heritageClauses = transformHeritageClauses(input.heritageClauses);
- return cleanup(ts.updateClassDeclaration(input,
- /*decorators*/ undefined, modifiers, input.name, typeParameters, heritageClauses, members));
- }
- }
- case 225 /* VariableStatement */: {
- return cleanup(transformVariableStatement(input));
- }
- case 248 /* EnumDeclaration */: {
- return cleanup(ts.updateEnumDeclaration(input, /*decorators*/ undefined, ts.createNodeArray(ensureModifiers(input)), input.name, ts.createNodeArray(ts.mapDefined(input.members, function (m) {
- if (shouldStripInternal(m))
- return;
- // Rewrite enum values to their constants, if available
- var constValue = resolver.getConstantValue(m);
- return preserveJsDoc(ts.updateEnumMember(m, m.name, constValue !== undefined ? ts.createLiteral(constValue) : undefined), m);
- }))));
- }
- }
- // Anything left unhandled is an error, so this should be unreachable
- return ts.Debug.assertNever(input, "Unhandled top-level node in declaration emit: " + ts.SyntaxKind[input.kind]);
- function cleanup(node) {
- if (isEnclosingDeclaration(input)) {
- enclosingDeclaration = previousEnclosingDeclaration;
- }
- if (canProdiceDiagnostic) {
- getSymbolAccessibilityDiagnostic = oldDiag;
- }
- if (input.kind === 249 /* ModuleDeclaration */) {
- needsDeclare = previousNeedsDeclare;
- }
- if (node === input) {
- return node;
- }
- return node && ts.setOriginalNode(preserveJsDoc(node, input), input);
- }
- }
- function transformVariableStatement(input) {
- if (!ts.forEach(input.declarationList.declarations, getBindingNameVisible))
- return;
- var nodes = ts.visitNodes(input.declarationList.declarations, visitDeclarationSubtree);
- if (!ts.length(nodes))
- return;
- return ts.updateVariableStatement(input, ts.createNodeArray(ensureModifiers(input)), ts.updateVariableDeclarationList(input.declarationList, nodes));
- }
- function recreateBindingPattern(d) {
- return ts.flatten(ts.mapDefined(d.elements, function (e) { return recreateBindingElement(e); }));
- }
- function recreateBindingElement(e) {
- if (e.kind === 215 /* OmittedExpression */) {
- return;
- }
- if (e.name) {
- if (!getBindingNameVisible(e))
- return;
- if (ts.isBindingPattern(e.name)) {
- return recreateBindingPattern(e.name);
- }
- else {
- return ts.createVariableDeclaration(e.name, ensureType(e, /*type*/ undefined), /*initializer*/ undefined);
- }
- }
- }
- function checkName(node) {
- var oldDiag;
- if (!suppressNewDiagnosticContexts) {
- oldDiag = getSymbolAccessibilityDiagnostic;
- getSymbolAccessibilityDiagnostic = ts.createGetSymbolAccessibilityDiagnosticForNodeName(node);
- }
- errorNameNode = node.name;
- ts.Debug.assert(resolver.isLateBound(ts.getParseTreeNode(node))); // Should only be called with dynamic names
- var decl = node;
- var entityName = decl.name.expression;
- checkEntityNameVisibility(entityName, enclosingDeclaration);
- if (!suppressNewDiagnosticContexts) {
- getSymbolAccessibilityDiagnostic = oldDiag;
- }
- errorNameNode = undefined;
- }
- function shouldStripInternal(node) {
- return !!stripInternal && !!node && isInternalDeclaration(node, currentSourceFile);
- }
- function isScopeMarker(node) {
- return ts.isExportAssignment(node) || ts.isExportDeclaration(node);
- }
- function hasScopeMarker(statements) {
- return ts.some(statements, isScopeMarker);
- }
- function ensureModifiers(node) {
- var currentFlags = ts.getModifierFlags(node);
- var newFlags = ensureModifierFlags(node);
- if (currentFlags === newFlags) {
- return node.modifiers;
- }
- return ts.createModifiersFromModifierFlags(newFlags);
- }
- function ensureModifierFlags(node) {
- var mask = 3071 /* All */ ^ (4 /* Public */ | 256 /* Async */); // No async modifiers in declaration files
- var additions = (needsDeclare && !isAlwaysType(node)) ? 2 /* Ambient */ : 0 /* None */;
- var parentIsFile = node.parent.kind === 290 /* SourceFile */;
- if (!parentIsFile || (isBundledEmit && parentIsFile && ts.isExternalModule(node.parent))) {
- mask ^= 2 /* Ambient */;
- additions = 0 /* None */;
- }
- return maskModifierFlags(node, mask, additions);
- }
- function getTypeAnnotationFromAllAccessorDeclarations(node, accessors) {
- var accessorType = getTypeAnnotationFromAccessor(node);
- if (!accessorType && node !== accessors.firstAccessor) {
- accessorType = getTypeAnnotationFromAccessor(accessors.firstAccessor);
- // If we end up pulling the type from the second accessor, we also need to change the diagnostic context to get the expected error message
- getSymbolAccessibilityDiagnostic = ts.createGetSymbolAccessibilityDiagnosticForNode(accessors.firstAccessor);
- }
- if (!accessorType && accessors.secondAccessor && node !== accessors.secondAccessor) {
- accessorType = getTypeAnnotationFromAccessor(accessors.secondAccessor);
- // If we end up pulling the type from the second accessor, we also need to change the diagnostic context to get the expected error message
- getSymbolAccessibilityDiagnostic = ts.createGetSymbolAccessibilityDiagnosticForNode(accessors.secondAccessor);
- }
- return accessorType;
- }
- function transformHeritageClauses(nodes) {
- return ts.createNodeArray(ts.filter(ts.map(nodes, function (clause) { return ts.updateHeritageClause(clause, ts.visitNodes(ts.createNodeArray(ts.filter(clause.types, function (t) {
- return ts.isEntityNameExpression(t.expression) || (clause.token === 90 /* ExtendsKeyword */ && t.expression.kind === 100 /* NullKeyword */);
- })), visitDeclarationSubtree)); }), function (clause) { return clause.types && !!clause.types.length; }));
- }
- }
- ts.transformDeclarations = transformDeclarations;
- function isAlwaysType(node) {
- if (node.kind === 246 /* InterfaceDeclaration */) {
- return true;
- }
- return false;
- }
- // Elide "public" modifier, as it is the default
- function maskModifiers(node, modifierMask, modifierAdditions) {
- return ts.createModifiersFromModifierFlags(maskModifierFlags(node, modifierMask, modifierAdditions));
- }
- function maskModifierFlags(node, modifierMask, modifierAdditions) {
- if (modifierMask === void 0) { modifierMask = 3071 /* All */ ^ 4 /* Public */; }
- if (modifierAdditions === void 0) { modifierAdditions = 0 /* None */; }
- var flags = (ts.getModifierFlags(node) & modifierMask) | modifierAdditions;
- if (flags & 512 /* Default */ && !(flags & 1 /* Export */)) {
- // A non-exported default is a nonsequitor - we usually try to remove all export modifiers
- // from statements in ambient declarations; but a default export must retain its export modifier to be syntactically valid
- flags ^= 1 /* Export */;
- }
- if (flags & 512 /* Default */ && flags & 2 /* Ambient */) {
- flags ^= 2 /* Ambient */; // `declare` is never required alongside `default` (and would be an error if printed)
- }
- return flags;
- }
- function getTypeAnnotationFromAccessor(accessor) {
- if (accessor) {
- return accessor.kind === 163 /* GetAccessor */
- ? accessor.type // Getter - return type
- : accessor.parameters.length > 0
- ? accessor.parameters[0].type // Setter parameter type
- : undefined;
- }
- }
- function canHaveLiteralInitializer(node) {
- switch (node.kind) {
- case 159 /* PropertyDeclaration */:
- case 158 /* PropertySignature */:
- return !ts.hasModifier(node, 8 /* Private */);
- case 156 /* Parameter */:
- case 242 /* VariableDeclaration */:
- return true;
- }
- return false;
- }
- function isPreservedDeclarationStatement(node) {
- switch (node.kind) {
- case 244 /* FunctionDeclaration */:
- case 249 /* ModuleDeclaration */:
- case 253 /* ImportEqualsDeclaration */:
- case 246 /* InterfaceDeclaration */:
- case 245 /* ClassDeclaration */:
- case 247 /* TypeAliasDeclaration */:
- case 248 /* EnumDeclaration */:
- case 225 /* VariableStatement */:
- case 254 /* ImportDeclaration */:
- case 260 /* ExportDeclaration */:
- case 259 /* ExportAssignment */:
- return true;
- }
- return false;
- }
- function isProcessedComponent(node) {
- switch (node.kind) {
- case 166 /* ConstructSignature */:
- case 162 /* Constructor */:
- case 161 /* MethodDeclaration */:
- case 163 /* GetAccessor */:
- case 164 /* SetAccessor */:
- case 159 /* PropertyDeclaration */:
- case 158 /* PropertySignature */:
- case 160 /* MethodSignature */:
- case 165 /* CallSignature */:
- case 167 /* IndexSignature */:
- case 242 /* VariableDeclaration */:
- case 155 /* TypeParameter */:
- case 216 /* ExpressionWithTypeArguments */:
- case 169 /* TypeReference */:
- case 180 /* ConditionalType */:
- case 170 /* FunctionType */:
- case 171 /* ConstructorType */:
- case 188 /* ImportType */:
- return true;
- }
- return false;
- }
-})(ts || (ts = {}));
-/* @internal */
-var ts;
-(function (ts) {
- function getModuleTransformer(moduleKind) {
- switch (moduleKind) {
- case ts.ModuleKind.ESNext:
- case ts.ModuleKind.ES2020:
- case ts.ModuleKind.ES2015:
- return ts.transformECMAScriptModule;
- case ts.ModuleKind.System:
- return ts.transformSystemModule;
- default:
- return ts.transformModule;
- }
- }
- var TransformationState;
- (function (TransformationState) {
- TransformationState[TransformationState["Uninitialized"] = 0] = "Uninitialized";
- TransformationState[TransformationState["Initialized"] = 1] = "Initialized";
- TransformationState[TransformationState["Completed"] = 2] = "Completed";
- TransformationState[TransformationState["Disposed"] = 3] = "Disposed";
- })(TransformationState || (TransformationState = {}));
- var SyntaxKindFeatureFlags;
- (function (SyntaxKindFeatureFlags) {
- SyntaxKindFeatureFlags[SyntaxKindFeatureFlags["Substitution"] = 1] = "Substitution";
- SyntaxKindFeatureFlags[SyntaxKindFeatureFlags["EmitNotifications"] = 2] = "EmitNotifications";
- })(SyntaxKindFeatureFlags || (SyntaxKindFeatureFlags = {}));
- ts.noTransformers = { scriptTransformers: ts.emptyArray, declarationTransformers: ts.emptyArray };
- function getTransformers(compilerOptions, customTransformers, emitOnlyDtsFiles) {
- return {
- scriptTransformers: getScriptTransformers(compilerOptions, customTransformers, emitOnlyDtsFiles),
- declarationTransformers: getDeclarationTransformers(customTransformers),
- };
- }
- ts.getTransformers = getTransformers;
- function getScriptTransformers(compilerOptions, customTransformers, emitOnlyDtsFiles) {
- if (emitOnlyDtsFiles)
- return ts.emptyArray;
- var jsx = compilerOptions.jsx;
- var languageVersion = ts.getEmitScriptTarget(compilerOptions);
- var moduleKind = ts.getEmitModuleKind(compilerOptions);
- var transformers = [];
- ts.addRange(transformers, customTransformers && ts.map(customTransformers.before, wrapScriptTransformerFactory));
- transformers.push(ts.transformTypeScript);
- transformers.push(ts.transformClassFields);
- if (jsx === 2 /* React */) {
- transformers.push(ts.transformJsx);
- }
- if (languageVersion < 99 /* ESNext */) {
- transformers.push(ts.transformESNext);
- }
- if (languageVersion < 7 /* ES2020 */) {
- transformers.push(ts.transformES2020);
- }
- if (languageVersion < 6 /* ES2019 */) {
- transformers.push(ts.transformES2019);
- }
- if (languageVersion < 5 /* ES2018 */) {
- transformers.push(ts.transformES2018);
- }
- if (languageVersion < 4 /* ES2017 */) {
- transformers.push(ts.transformES2017);
- }
- if (languageVersion < 3 /* ES2016 */) {
- transformers.push(ts.transformES2016);
- }
- if (languageVersion < 2 /* ES2015 */) {
- transformers.push(ts.transformES2015);
- transformers.push(ts.transformGenerators);
- }
- transformers.push(getModuleTransformer(moduleKind));
- // The ES5 transformer is last so that it can substitute expressions like `exports.default`
- // for ES3.
- if (languageVersion < 1 /* ES5 */) {
- transformers.push(ts.transformES5);
- }
- ts.addRange(transformers, customTransformers && ts.map(customTransformers.after, wrapScriptTransformerFactory));
- return transformers;
- }
- function getDeclarationTransformers(customTransformers) {
- var transformers = [];
- transformers.push(ts.transformDeclarations);
- ts.addRange(transformers, customTransformers && ts.map(customTransformers.afterDeclarations, wrapDeclarationTransformerFactory));
- return transformers;
- }
- /**
- * Wrap a custom script or declaration transformer object in a `Transformer` callback with fallback support for transforming bundles.
- */
- function wrapCustomTransformer(transformer) {
- return function (node) { return ts.isBundle(node) ? transformer.transformBundle(node) : transformer.transformSourceFile(node); };
- }
- /**
- * Wrap a transformer factory that may return a custom script or declaration transformer object.
- */
- function wrapCustomTransformerFactory(transformer, handleDefault) {
- return function (context) {
- var customTransformer = transformer(context);
- return typeof customTransformer === "function"
- ? handleDefault(customTransformer)
- : wrapCustomTransformer(customTransformer);
- };
- }
- function wrapScriptTransformerFactory(transformer) {
- return wrapCustomTransformerFactory(transformer, ts.chainBundle);
- }
- function wrapDeclarationTransformerFactory(transformer) {
- return wrapCustomTransformerFactory(transformer, ts.identity);
- }
- function noEmitSubstitution(_hint, node) {
- return node;
- }
- ts.noEmitSubstitution = noEmitSubstitution;
- function noEmitNotification(hint, node, callback) {
- callback(hint, node);
- }
- ts.noEmitNotification = noEmitNotification;
- /**
- * Transforms an array of SourceFiles by passing them through each transformer.
- *
- * @param resolver The emit resolver provided by the checker.
- * @param host The emit host object used to interact with the file system.
- * @param options Compiler options to surface in the `TransformationContext`.
- * @param nodes An array of nodes to transform.
- * @param transforms An array of `TransformerFactory` callbacks.
- * @param allowDtsFiles A value indicating whether to allow the transformation of .d.ts files.
- */
- function transformNodes(resolver, host, options, nodes, transformers, allowDtsFiles) {
- var enabledSyntaxKindFeatures = new Array(331 /* Count */);
- var lexicalEnvironmentVariableDeclarations;
- var lexicalEnvironmentFunctionDeclarations;
- var lexicalEnvironmentStatements;
- var lexicalEnvironmentFlags = 0 /* None */;
- var lexicalEnvironmentVariableDeclarationsStack = [];
- var lexicalEnvironmentFunctionDeclarationsStack = [];
- var lexicalEnvironmentStatementsStack = [];
- var lexicalEnvironmentFlagsStack = [];
- var lexicalEnvironmentStackOffset = 0;
- var lexicalEnvironmentSuspended = false;
- var emitHelpers;
- var onSubstituteNode = noEmitSubstitution;
- var onEmitNode = noEmitNotification;
- var state = 0 /* Uninitialized */;
- var diagnostics = [];
- // The transformation context is provided to each transformer as part of transformer
- // initialization.
- var context = {
- getCompilerOptions: function () { return options; },
- getEmitResolver: function () { return resolver; },
- getEmitHost: function () { return host; },
- startLexicalEnvironment: startLexicalEnvironment,
- suspendLexicalEnvironment: suspendLexicalEnvironment,
- resumeLexicalEnvironment: resumeLexicalEnvironment,
- endLexicalEnvironment: endLexicalEnvironment,
- setLexicalEnvironmentFlags: setLexicalEnvironmentFlags,
- getLexicalEnvironmentFlags: getLexicalEnvironmentFlags,
- hoistVariableDeclaration: hoistVariableDeclaration,
- hoistFunctionDeclaration: hoistFunctionDeclaration,
- addInitializationStatement: addInitializationStatement,
- requestEmitHelper: requestEmitHelper,
- readEmitHelpers: readEmitHelpers,
- enableSubstitution: enableSubstitution,
- enableEmitNotification: enableEmitNotification,
- isSubstitutionEnabled: isSubstitutionEnabled,
- isEmitNotificationEnabled: isEmitNotificationEnabled,
- get onSubstituteNode() { return onSubstituteNode; },
- set onSubstituteNode(value) {
- ts.Debug.assert(state < 1 /* Initialized */, "Cannot modify transformation hooks after initialization has completed.");
- ts.Debug.assert(value !== undefined, "Value must not be 'undefined'");
- onSubstituteNode = value;
- },
- get onEmitNode() { return onEmitNode; },
- set onEmitNode(value) {
- ts.Debug.assert(state < 1 /* Initialized */, "Cannot modify transformation hooks after initialization has completed.");
- ts.Debug.assert(value !== undefined, "Value must not be 'undefined'");
- onEmitNode = value;
- },
- addDiagnostic: function (diag) {
- diagnostics.push(diag);
- }
- };
- // Ensure the parse tree is clean before applying transformations
- for (var _i = 0, nodes_4 = nodes; _i < nodes_4.length; _i++) {
- var node = nodes_4[_i];
- ts.disposeEmitNodes(ts.getSourceFileOfNode(ts.getParseTreeNode(node)));
- }
- ts.performance.mark("beforeTransform");
- // Chain together and initialize each transformer.
- var transformersWithContext = transformers.map(function (t) { return t(context); });
- var transformation = function (node) {
- for (var _i = 0, transformersWithContext_1 = transformersWithContext; _i < transformersWithContext_1.length; _i++) {
- var transform = transformersWithContext_1[_i];
- node = transform(node);
- }
- return node;
- };
- // prevent modification of transformation hooks.
- state = 1 /* Initialized */;
- // Transform each node.
- var transformed = ts.map(nodes, allowDtsFiles ? transformation : transformRoot);
- // prevent modification of the lexical environment.
- state = 2 /* Completed */;
- ts.performance.mark("afterTransform");
- ts.performance.measure("transformTime", "beforeTransform", "afterTransform");
- return {
- transformed: transformed,
- substituteNode: substituteNode,
- emitNodeWithNotification: emitNodeWithNotification,
- isEmitNotificationEnabled: isEmitNotificationEnabled,
- dispose: dispose,
- diagnostics: diagnostics
- };
- function transformRoot(node) {
- return node && (!ts.isSourceFile(node) || !node.isDeclarationFile) ? transformation(node) : node;
- }
- /**
- * Enables expression substitutions in the pretty printer for the provided SyntaxKind.
- */
- function enableSubstitution(kind) {
- ts.Debug.assert(state < 2 /* Completed */, "Cannot modify the transformation context after transformation has completed.");
- enabledSyntaxKindFeatures[kind] |= 1 /* Substitution */;
- }
- /**
- * Determines whether expression substitutions are enabled for the provided node.
- */
- function isSubstitutionEnabled(node) {
- return (enabledSyntaxKindFeatures[node.kind] & 1 /* Substitution */) !== 0
- && (ts.getEmitFlags(node) & 4 /* NoSubstitution */) === 0;
- }
- /**
- * Emits a node with possible substitution.
- *
- * @param hint A hint as to the intended usage of the node.
- * @param node The node to emit.
- * @param emitCallback The callback used to emit the node or its substitute.
- */
- function substituteNode(hint, node) {
- ts.Debug.assert(state < 3 /* Disposed */, "Cannot substitute a node after the result is disposed.");
- return node && isSubstitutionEnabled(node) && onSubstituteNode(hint, node) || node;
- }
- /**
- * Enables before/after emit notifications in the pretty printer for the provided SyntaxKind.
- */
- function enableEmitNotification(kind) {
- ts.Debug.assert(state < 2 /* Completed */, "Cannot modify the transformation context after transformation has completed.");
- enabledSyntaxKindFeatures[kind] |= 2 /* EmitNotifications */;
- }
- /**
- * Determines whether before/after emit notifications should be raised in the pretty
- * printer when it emits a node.
- */
- function isEmitNotificationEnabled(node) {
- return (enabledSyntaxKindFeatures[node.kind] & 2 /* EmitNotifications */) !== 0
- || (ts.getEmitFlags(node) & 2 /* AdviseOnEmitNode */) !== 0;
- }
- /**
- * Emits a node with possible emit notification.
- *
- * @param hint A hint as to the intended usage of the node.
- * @param node The node to emit.
- * @param emitCallback The callback used to emit the node.
- */
- function emitNodeWithNotification(hint, node, emitCallback) {
- ts.Debug.assert(state < 3 /* Disposed */, "Cannot invoke TransformationResult callbacks after the result is disposed.");
- if (node) {
- // TODO: Remove check and unconditionally use onEmitNode when API is breakingly changed
- // (see https://github.com/microsoft/TypeScript/pull/36248/files/5062623f39120171b98870c71344b3242eb03d23#r369766739)
- if (isEmitNotificationEnabled(node)) {
- onEmitNode(hint, node, emitCallback);
- }
- else {
- emitCallback(hint, node);
- }
- }
- }
- /**
- * Records a hoisted variable declaration for the provided name within a lexical environment.
- */
- function hoistVariableDeclaration(name) {
- ts.Debug.assert(state > 0 /* Uninitialized */, "Cannot modify the lexical environment during initialization.");
- ts.Debug.assert(state < 2 /* Completed */, "Cannot modify the lexical environment after transformation has completed.");
- var decl = ts.setEmitFlags(ts.createVariableDeclaration(name), 64 /* NoNestedSourceMaps */);
- if (!lexicalEnvironmentVariableDeclarations) {
- lexicalEnvironmentVariableDeclarations = [decl];
- }
- else {
- lexicalEnvironmentVariableDeclarations.push(decl);
- }
- if (lexicalEnvironmentFlags & 1 /* InParameters */) {
- lexicalEnvironmentFlags |= 2 /* VariablesHoistedInParameters */;
- }
- }
- /**
- * Records a hoisted function declaration within a lexical environment.
- */
- function hoistFunctionDeclaration(func) {
- ts.Debug.assert(state > 0 /* Uninitialized */, "Cannot modify the lexical environment during initialization.");
- ts.Debug.assert(state < 2 /* Completed */, "Cannot modify the lexical environment after transformation has completed.");
- ts.setEmitFlags(func, 1048576 /* CustomPrologue */);
- if (!lexicalEnvironmentFunctionDeclarations) {
- lexicalEnvironmentFunctionDeclarations = [func];
- }
- else {
- lexicalEnvironmentFunctionDeclarations.push(func);
- }
- }
- /**
- * Adds an initialization statement to the top of the lexical environment.
- */
- function addInitializationStatement(node) {
- ts.Debug.assert(state > 0 /* Uninitialized */, "Cannot modify the lexical environment during initialization.");
- ts.Debug.assert(state < 2 /* Completed */, "Cannot modify the lexical environment after transformation has completed.");
- ts.setEmitFlags(node, 1048576 /* CustomPrologue */);
- if (!lexicalEnvironmentStatements) {
- lexicalEnvironmentStatements = [node];
- }
- else {
- lexicalEnvironmentStatements.push(node);
- }
- }
- /**
- * Starts a new lexical environment. Any existing hoisted variable or function declarations
- * are pushed onto a stack, and the related storage variables are reset.
- */
- function startLexicalEnvironment() {
- ts.Debug.assert(state > 0 /* Uninitialized */, "Cannot modify the lexical environment during initialization.");
- ts.Debug.assert(state < 2 /* Completed */, "Cannot modify the lexical environment after transformation has completed.");
- ts.Debug.assert(!lexicalEnvironmentSuspended, "Lexical environment is suspended.");
- // Save the current lexical environment. Rather than resizing the array we adjust the
- // stack size variable. This allows us to reuse existing array slots we've
- // already allocated between transformations to avoid allocation and GC overhead during
- // transformation.
- lexicalEnvironmentVariableDeclarationsStack[lexicalEnvironmentStackOffset] = lexicalEnvironmentVariableDeclarations;
- lexicalEnvironmentFunctionDeclarationsStack[lexicalEnvironmentStackOffset] = lexicalEnvironmentFunctionDeclarations;
- lexicalEnvironmentStatementsStack[lexicalEnvironmentStackOffset] = lexicalEnvironmentStatements;
- lexicalEnvironmentFlagsStack[lexicalEnvironmentStackOffset] = lexicalEnvironmentFlags;
- lexicalEnvironmentStackOffset++;
- lexicalEnvironmentVariableDeclarations = undefined;
- lexicalEnvironmentFunctionDeclarations = undefined;
- lexicalEnvironmentStatements = undefined;
- lexicalEnvironmentFlags = 0 /* None */;
- }
- /** Suspends the current lexical environment, usually after visiting a parameter list. */
- function suspendLexicalEnvironment() {
- ts.Debug.assert(state > 0 /* Uninitialized */, "Cannot modify the lexical environment during initialization.");
- ts.Debug.assert(state < 2 /* Completed */, "Cannot modify the lexical environment after transformation has completed.");
- ts.Debug.assert(!lexicalEnvironmentSuspended, "Lexical environment is already suspended.");
- lexicalEnvironmentSuspended = true;
- }
- /** Resumes a suspended lexical environment, usually before visiting a function body. */
- function resumeLexicalEnvironment() {
- ts.Debug.assert(state > 0 /* Uninitialized */, "Cannot modify the lexical environment during initialization.");
- ts.Debug.assert(state < 2 /* Completed */, "Cannot modify the lexical environment after transformation has completed.");
- ts.Debug.assert(lexicalEnvironmentSuspended, "Lexical environment is not suspended.");
- lexicalEnvironmentSuspended = false;
- }
- /**
- * Ends a lexical environment. The previous set of hoisted declarations are restored and
- * any hoisted declarations added in this environment are returned.
- */
- function endLexicalEnvironment() {
- ts.Debug.assert(state > 0 /* Uninitialized */, "Cannot modify the lexical environment during initialization.");
- ts.Debug.assert(state < 2 /* Completed */, "Cannot modify the lexical environment after transformation has completed.");
- ts.Debug.assert(!lexicalEnvironmentSuspended, "Lexical environment is suspended.");
- var statements;
- if (lexicalEnvironmentVariableDeclarations ||
- lexicalEnvironmentFunctionDeclarations ||
- lexicalEnvironmentStatements) {
- if (lexicalEnvironmentFunctionDeclarations) {
- statements = __spreadArrays(lexicalEnvironmentFunctionDeclarations);
- }
- if (lexicalEnvironmentVariableDeclarations) {
- var statement = ts.createVariableStatement(
- /*modifiers*/ undefined, ts.createVariableDeclarationList(lexicalEnvironmentVariableDeclarations));
- ts.setEmitFlags(statement, 1048576 /* CustomPrologue */);
- if (!statements) {
- statements = [statement];
- }
- else {
- statements.push(statement);
- }
- }
- if (lexicalEnvironmentStatements) {
- if (!statements) {
- statements = __spreadArrays(lexicalEnvironmentStatements);
- }
- else {
- statements = __spreadArrays(statements, lexicalEnvironmentStatements);
- }
- }
- }
- // Restore the previous lexical environment.
- lexicalEnvironmentStackOffset--;
- lexicalEnvironmentVariableDeclarations = lexicalEnvironmentVariableDeclarationsStack[lexicalEnvironmentStackOffset];
- lexicalEnvironmentFunctionDeclarations = lexicalEnvironmentFunctionDeclarationsStack[lexicalEnvironmentStackOffset];
- lexicalEnvironmentStatements = lexicalEnvironmentStatementsStack[lexicalEnvironmentStackOffset];
- lexicalEnvironmentFlags = lexicalEnvironmentFlagsStack[lexicalEnvironmentStackOffset];
- if (lexicalEnvironmentStackOffset === 0) {
- lexicalEnvironmentVariableDeclarationsStack = [];
- lexicalEnvironmentFunctionDeclarationsStack = [];
- lexicalEnvironmentStatementsStack = [];
- lexicalEnvironmentFlagsStack = [];
- }
- return statements;
- }
- function setLexicalEnvironmentFlags(flags, value) {
- lexicalEnvironmentFlags = value ?
- lexicalEnvironmentFlags | flags :
- lexicalEnvironmentFlags & ~flags;
- }
- function getLexicalEnvironmentFlags() {
- return lexicalEnvironmentFlags;
- }
- function requestEmitHelper(helper) {
- ts.Debug.assert(state > 0 /* Uninitialized */, "Cannot modify the transformation context during initialization.");
- ts.Debug.assert(state < 2 /* Completed */, "Cannot modify the transformation context after transformation has completed.");
- ts.Debug.assert(!helper.scoped, "Cannot request a scoped emit helper.");
- if (helper.dependencies) {
- for (var _i = 0, _a = helper.dependencies; _i < _a.length; _i++) {
- var h = _a[_i];
- requestEmitHelper(h);
- }
- }
- emitHelpers = ts.append(emitHelpers, helper);
- }
- function readEmitHelpers() {
- ts.Debug.assert(state > 0 /* Uninitialized */, "Cannot modify the transformation context during initialization.");
- ts.Debug.assert(state < 2 /* Completed */, "Cannot modify the transformation context after transformation has completed.");
- var helpers = emitHelpers;
- emitHelpers = undefined;
- return helpers;
- }
- function dispose() {
- if (state < 3 /* Disposed */) {
- // Clean up emit nodes on parse tree
- for (var _i = 0, nodes_5 = nodes; _i < nodes_5.length; _i++) {
- var node = nodes_5[_i];
- ts.disposeEmitNodes(ts.getSourceFileOfNode(ts.getParseTreeNode(node)));
- }
- // Release references to external entries for GC purposes.
- lexicalEnvironmentVariableDeclarations = undefined;
- lexicalEnvironmentVariableDeclarationsStack = undefined;
- lexicalEnvironmentFunctionDeclarations = undefined;
- lexicalEnvironmentFunctionDeclarationsStack = undefined;
- onSubstituteNode = undefined;
- onEmitNode = undefined;
- emitHelpers = undefined;
- // Prevent further use of the transformation result.
- state = 3 /* Disposed */;
- }
- }
- }
- ts.transformNodes = transformNodes;
-})(ts || (ts = {}));
-var ts;
-(function (ts) {
- var brackets = createBracketsMap();
- var syntheticParent = { pos: -1, end: -1 };
- /*@internal*/
- function isBuildInfoFile(file) {
- return ts.fileExtensionIs(file, ".tsbuildinfo" /* TsBuildInfo */);
- }
- ts.isBuildInfoFile = isBuildInfoFile;
- /*@internal*/
- /**
- * Iterates over the source files that are expected to have an emit output.
- *
- * @param host An EmitHost.
- * @param action The action to execute.
- * @param sourceFilesOrTargetSourceFile
- * If an array, the full list of source files to emit.
- * Else, calls `getSourceFilesToEmit` with the (optional) target source file to determine the list of source files to emit.
- */
- function forEachEmittedFile(host, action, sourceFilesOrTargetSourceFile, forceDtsEmit, onlyBuildInfo, includeBuildInfo) {
- if (forceDtsEmit === void 0) { forceDtsEmit = false; }
- var sourceFiles = ts.isArray(sourceFilesOrTargetSourceFile) ? sourceFilesOrTargetSourceFile : ts.getSourceFilesToEmit(host, sourceFilesOrTargetSourceFile, forceDtsEmit);
- var options = host.getCompilerOptions();
- if (options.outFile || options.out) {
- var prepends = host.getPrependNodes();
- if (sourceFiles.length || prepends.length) {
- var bundle = ts.createBundle(sourceFiles, prepends);
- var result = action(getOutputPathsFor(bundle, host, forceDtsEmit), bundle);
- if (result) {
- return result;
- }
- }
- }
- else {
- if (!onlyBuildInfo) {
- for (var _a = 0, sourceFiles_1 = sourceFiles; _a < sourceFiles_1.length; _a++) {
- var sourceFile = sourceFiles_1[_a];
- var result = action(getOutputPathsFor(sourceFile, host, forceDtsEmit), sourceFile);
- if (result) {
- return result;
- }
- }
- }
- if (includeBuildInfo) {
- var buildInfoPath = getTsBuildInfoEmitOutputFilePath(host.getCompilerOptions());
- if (buildInfoPath)
- return action({ buildInfoPath: buildInfoPath }, /*sourceFileOrBundle*/ undefined);
- }
- }
- }
- ts.forEachEmittedFile = forEachEmittedFile;
- function getTsBuildInfoEmitOutputFilePath(options) {
- var configFile = options.configFilePath;
- if (!ts.isIncrementalCompilation(options))
- return undefined;
- if (options.tsBuildInfoFile)
- return options.tsBuildInfoFile;
- var outPath = options.outFile || options.out;
- var buildInfoExtensionLess;
- if (outPath) {
- buildInfoExtensionLess = ts.removeFileExtension(outPath);
- }
- else {
- if (!configFile)
- return undefined;
- var configFileExtensionLess = ts.removeFileExtension(configFile);
- buildInfoExtensionLess = options.outDir ?
- options.rootDir ?
- ts.resolvePath(options.outDir, ts.getRelativePathFromDirectory(options.rootDir, configFileExtensionLess, /*ignoreCase*/ true)) :
- ts.combinePaths(options.outDir, ts.getBaseFileName(configFileExtensionLess)) :
- configFileExtensionLess;
- }
- return buildInfoExtensionLess + ".tsbuildinfo" /* TsBuildInfo */;
- }
- ts.getTsBuildInfoEmitOutputFilePath = getTsBuildInfoEmitOutputFilePath;
- /*@internal*/
- function getOutputPathsForBundle(options, forceDtsPaths) {
- var outPath = options.outFile || options.out;
- var jsFilePath = options.emitDeclarationOnly ? undefined : outPath;
- var sourceMapFilePath = jsFilePath && getSourceMapFilePath(jsFilePath, options);
- var declarationFilePath = (forceDtsPaths || ts.getEmitDeclarations(options)) ? ts.removeFileExtension(outPath) + ".d.ts" /* Dts */ : undefined;
- var declarationMapPath = declarationFilePath && ts.getAreDeclarationMapsEnabled(options) ? declarationFilePath + ".map" : undefined;
- var buildInfoPath = getTsBuildInfoEmitOutputFilePath(options);
- return { jsFilePath: jsFilePath, sourceMapFilePath: sourceMapFilePath, declarationFilePath: declarationFilePath, declarationMapPath: declarationMapPath, buildInfoPath: buildInfoPath };
- }
- ts.getOutputPathsForBundle = getOutputPathsForBundle;
- /*@internal*/
- function getOutputPathsFor(sourceFile, host, forceDtsPaths) {
- var options = host.getCompilerOptions();
- if (sourceFile.kind === 291 /* Bundle */) {
- return getOutputPathsForBundle(options, forceDtsPaths);
- }
- else {
- var ownOutputFilePath = ts.getOwnEmitOutputFilePath(sourceFile.fileName, host, getOutputExtension(sourceFile, options));
- var isJsonFile = ts.isJsonSourceFile(sourceFile);
- // If json file emits to the same location skip writing it, if emitDeclarationOnly skip writing it
- var isJsonEmittedToSameLocation = isJsonFile &&
- ts.comparePaths(sourceFile.fileName, ownOutputFilePath, host.getCurrentDirectory(), !host.useCaseSensitiveFileNames()) === 0 /* EqualTo */;
- var jsFilePath = options.emitDeclarationOnly || isJsonEmittedToSameLocation ? undefined : ownOutputFilePath;
- var sourceMapFilePath = !jsFilePath || ts.isJsonSourceFile(sourceFile) ? undefined : getSourceMapFilePath(jsFilePath, options);
- var declarationFilePath = (forceDtsPaths || (ts.getEmitDeclarations(options) && !isJsonFile)) ? ts.getDeclarationEmitOutputFilePath(sourceFile.fileName, host) : undefined;
- var declarationMapPath = declarationFilePath && ts.getAreDeclarationMapsEnabled(options) ? declarationFilePath + ".map" : undefined;
- return { jsFilePath: jsFilePath, sourceMapFilePath: sourceMapFilePath, declarationFilePath: declarationFilePath, declarationMapPath: declarationMapPath, buildInfoPath: undefined };
- }
- }
- ts.getOutputPathsFor = getOutputPathsFor;
- function getSourceMapFilePath(jsFilePath, options) {
- return (options.sourceMap && !options.inlineSourceMap) ? jsFilePath + ".map" : undefined;
- }
- // JavaScript files are always LanguageVariant.JSX, as JSX syntax is allowed in .js files also.
- // So for JavaScript files, '.jsx' is only emitted if the input was '.jsx', and JsxEmit.Preserve.
- // For TypeScript, the only time to emit with a '.jsx' extension, is on JSX input, and JsxEmit.Preserve
- /* @internal */
- function getOutputExtension(sourceFile, options) {
- if (ts.isJsonSourceFile(sourceFile)) {
- return ".json" /* Json */;
- }
- if (options.jsx === 1 /* Preserve */) {
- if (ts.isSourceFileJS(sourceFile)) {
- if (ts.fileExtensionIs(sourceFile.fileName, ".jsx" /* Jsx */)) {
- return ".jsx" /* Jsx */;
- }
- }
- else if (sourceFile.languageVariant === 1 /* JSX */) {
- // TypeScript source file preserving JSX syntax
- return ".jsx" /* Jsx */;
- }
- }
- return ".js" /* Js */;
- }
- ts.getOutputExtension = getOutputExtension;
- function rootDirOfOptions(configFile) {
- return configFile.options.rootDir || ts.getDirectoryPath(ts.Debug.checkDefined(configFile.options.configFilePath));
- }
- function getOutputPathWithoutChangingExt(inputFileName, configFile, ignoreCase, outputDir) {
- return outputDir ?
- ts.resolvePath(outputDir, ts.getRelativePathFromDirectory(rootDirOfOptions(configFile), inputFileName, ignoreCase)) :
- inputFileName;
- }
- /* @internal */
- function getOutputDeclarationFileName(inputFileName, configFile, ignoreCase) {
- ts.Debug.assert(!ts.fileExtensionIs(inputFileName, ".d.ts" /* Dts */) && !ts.fileExtensionIs(inputFileName, ".json" /* Json */));
- return ts.changeExtension(getOutputPathWithoutChangingExt(inputFileName, configFile, ignoreCase, configFile.options.declarationDir || configFile.options.outDir), ".d.ts" /* Dts */);
- }
- ts.getOutputDeclarationFileName = getOutputDeclarationFileName;
- function getOutputJSFileName(inputFileName, configFile, ignoreCase) {
- if (configFile.options.emitDeclarationOnly)
- return undefined;
- var isJsonFile = ts.fileExtensionIs(inputFileName, ".json" /* Json */);
- var outputFileName = ts.changeExtension(getOutputPathWithoutChangingExt(inputFileName, configFile, ignoreCase, configFile.options.outDir), isJsonFile ?
- ".json" /* Json */ :
- ts.fileExtensionIs(inputFileName, ".tsx" /* Tsx */) && configFile.options.jsx === 1 /* Preserve */ ?
- ".jsx" /* Jsx */ :
- ".js" /* Js */);
- return !isJsonFile || ts.comparePaths(inputFileName, outputFileName, ts.Debug.checkDefined(configFile.options.configFilePath), ignoreCase) !== 0 /* EqualTo */ ?
- outputFileName :
- undefined;
- }
- function createAddOutput() {
- var outputs;
- return { addOutput: addOutput, getOutputs: getOutputs };
- function addOutput(path) {
- if (path) {
- (outputs || (outputs = [])).push(path);
- }
- }
- function getOutputs() {
- return outputs || ts.emptyArray;
- }
- }
- function getSingleOutputFileNames(configFile, addOutput) {
- var _a = getOutputPathsForBundle(configFile.options, /*forceDtsPaths*/ false), jsFilePath = _a.jsFilePath, sourceMapFilePath = _a.sourceMapFilePath, declarationFilePath = _a.declarationFilePath, declarationMapPath = _a.declarationMapPath, buildInfoPath = _a.buildInfoPath;
- addOutput(jsFilePath);
- addOutput(sourceMapFilePath);
- addOutput(declarationFilePath);
- addOutput(declarationMapPath);
- addOutput(buildInfoPath);
- }
- function getOwnOutputFileNames(configFile, inputFileName, ignoreCase, addOutput) {
- if (ts.fileExtensionIs(inputFileName, ".d.ts" /* Dts */))
- return;
- var js = getOutputJSFileName(inputFileName, configFile, ignoreCase);
- addOutput(js);
- if (ts.fileExtensionIs(inputFileName, ".json" /* Json */))
- return;
- if (js && configFile.options.sourceMap) {
- addOutput(js + ".map");
- }
- if (ts.getEmitDeclarations(configFile.options)) {
- var dts = getOutputDeclarationFileName(inputFileName, configFile, ignoreCase);
- addOutput(dts);
- if (configFile.options.declarationMap) {
- addOutput(dts + ".map");
- }
- }
- }
- /*@internal*/
- function getAllProjectOutputs(configFile, ignoreCase) {
- var _a = createAddOutput(), addOutput = _a.addOutput, getOutputs = _a.getOutputs;
- if (configFile.options.outFile || configFile.options.out) {
- getSingleOutputFileNames(configFile, addOutput);
- }
- else {
- for (var _b = 0, _c = configFile.fileNames; _b < _c.length; _b++) {
- var inputFileName = _c[_b];
- getOwnOutputFileNames(configFile, inputFileName, ignoreCase, addOutput);
- }
- addOutput(getTsBuildInfoEmitOutputFilePath(configFile.options));
- }
- return getOutputs();
- }
- ts.getAllProjectOutputs = getAllProjectOutputs;
- function getOutputFileNames(commandLine, inputFileName, ignoreCase) {
- inputFileName = ts.normalizePath(inputFileName);
- ts.Debug.assert(ts.contains(commandLine.fileNames, inputFileName), "Expected fileName to be present in command line");
- var _a = createAddOutput(), addOutput = _a.addOutput, getOutputs = _a.getOutputs;
- if (commandLine.options.outFile || commandLine.options.out) {
- getSingleOutputFileNames(commandLine, addOutput);
- }
- else {
- getOwnOutputFileNames(commandLine, inputFileName, ignoreCase, addOutput);
- }
- return getOutputs();
- }
- ts.getOutputFileNames = getOutputFileNames;
- /*@internal*/
- function getFirstProjectOutput(configFile, ignoreCase) {
- if (configFile.options.outFile || configFile.options.out) {
- var jsFilePath = getOutputPathsForBundle(configFile.options, /*forceDtsPaths*/ false).jsFilePath;
- return ts.Debug.checkDefined(jsFilePath, "project " + configFile.options.configFilePath + " expected to have at least one output");
- }
- for (var _a = 0, _b = configFile.fileNames; _a < _b.length; _a++) {
- var inputFileName = _b[_a];
- if (ts.fileExtensionIs(inputFileName, ".d.ts" /* Dts */))
- continue;
- var jsFilePath = getOutputJSFileName(inputFileName, configFile, ignoreCase);
- if (jsFilePath)
- return jsFilePath;
- if (ts.fileExtensionIs(inputFileName, ".json" /* Json */))
- continue;
- if (ts.getEmitDeclarations(configFile.options)) {
- return getOutputDeclarationFileName(inputFileName, configFile, ignoreCase);
- }
- }
- var buildInfoPath = getTsBuildInfoEmitOutputFilePath(configFile.options);
- if (buildInfoPath)
- return buildInfoPath;
- return ts.Debug.fail("project " + configFile.options.configFilePath + " expected to have at least one output");
- }
- ts.getFirstProjectOutput = getFirstProjectOutput;
- /*@internal*/
- // targetSourceFile is when users only want one file in entire project to be emitted. This is used in compileOnSave feature
- function emitFiles(resolver, host, targetSourceFile, _a, emitOnlyDtsFiles, onlyBuildInfo, forceDtsEmit) {
- var scriptTransformers = _a.scriptTransformers, declarationTransformers = _a.declarationTransformers;
- var compilerOptions = host.getCompilerOptions();
- var sourceMapDataList = (compilerOptions.sourceMap || compilerOptions.inlineSourceMap || ts.getAreDeclarationMapsEnabled(compilerOptions)) ? [] : undefined;
- var emittedFilesList = compilerOptions.listEmittedFiles ? [] : undefined;
- var emitterDiagnostics = ts.createDiagnosticCollection();
- var newLine = ts.getNewLineCharacter(compilerOptions, function () { return host.getNewLine(); });
- var writer = ts.createTextWriter(newLine);
- var _b = ts.performance.createTimer("printTime", "beforePrint", "afterPrint"), enter = _b.enter, exit = _b.exit;
- var bundleBuildInfo;
- var emitSkipped = false;
- var exportedModulesFromDeclarationEmit;
- // Emit each output file
- enter();
- forEachEmittedFile(host, emitSourceFileOrBundle, ts.getSourceFilesToEmit(host, targetSourceFile, forceDtsEmit), forceDtsEmit, onlyBuildInfo, !targetSourceFile);
- exit();
- return {
- emitSkipped: emitSkipped,
- diagnostics: emitterDiagnostics.getDiagnostics(),
- emittedFiles: emittedFilesList,
- sourceMaps: sourceMapDataList,
- exportedModulesFromDeclarationEmit: exportedModulesFromDeclarationEmit
- };
- function emitSourceFileOrBundle(_a, sourceFileOrBundle) {
- var jsFilePath = _a.jsFilePath, sourceMapFilePath = _a.sourceMapFilePath, declarationFilePath = _a.declarationFilePath, declarationMapPath = _a.declarationMapPath, buildInfoPath = _a.buildInfoPath;
- var buildInfoDirectory;
- if (buildInfoPath && sourceFileOrBundle && ts.isBundle(sourceFileOrBundle)) {
- buildInfoDirectory = ts.getDirectoryPath(ts.getNormalizedAbsolutePath(buildInfoPath, host.getCurrentDirectory()));
- bundleBuildInfo = {
- commonSourceDirectory: relativeToBuildInfo(host.getCommonSourceDirectory()),
- sourceFiles: sourceFileOrBundle.sourceFiles.map(function (file) { return relativeToBuildInfo(ts.getNormalizedAbsolutePath(file.fileName, host.getCurrentDirectory())); })
- };
- }
- emitJsFileOrBundle(sourceFileOrBundle, jsFilePath, sourceMapFilePath, relativeToBuildInfo);
- emitDeclarationFileOrBundle(sourceFileOrBundle, declarationFilePath, declarationMapPath, relativeToBuildInfo);
- emitBuildInfo(bundleBuildInfo, buildInfoPath);
- if (!emitSkipped && emittedFilesList) {
- if (!emitOnlyDtsFiles) {
- if (jsFilePath) {
- emittedFilesList.push(jsFilePath);
- }
- if (sourceMapFilePath) {
- emittedFilesList.push(sourceMapFilePath);
- }
- if (buildInfoPath) {
- emittedFilesList.push(buildInfoPath);
- }
- }
- if (declarationFilePath) {
- emittedFilesList.push(declarationFilePath);
- }
- if (declarationMapPath) {
- emittedFilesList.push(declarationMapPath);
- }
- }
- function relativeToBuildInfo(path) {
- return ts.ensurePathIsNonModuleName(ts.getRelativePathFromDirectory(buildInfoDirectory, path, host.getCanonicalFileName));
- }
- }
- function emitBuildInfo(bundle, buildInfoPath) {
- // Write build information if applicable
- if (!buildInfoPath || targetSourceFile || emitSkipped)
- return;
- var program = host.getProgramBuildInfo();
- if (host.isEmitBlocked(buildInfoPath) || compilerOptions.noEmit) {
- emitSkipped = true;
- return;
- }
- var version = ts.version; // Extracted into a const so the form is stable between namespace and module
- ts.writeFile(host, emitterDiagnostics, buildInfoPath, getBuildInfoText({ bundle: bundle, program: program, version: version }), /*writeByteOrderMark*/ false);
- }
- function emitJsFileOrBundle(sourceFileOrBundle, jsFilePath, sourceMapFilePath, relativeToBuildInfo) {
- if (!sourceFileOrBundle || emitOnlyDtsFiles || !jsFilePath) {
- return;
- }
- // Make sure not to write js file and source map file if any of them cannot be written
- if ((jsFilePath && host.isEmitBlocked(jsFilePath)) || compilerOptions.noEmit) {
- emitSkipped = true;
- return;
- }
- // Transform the source files
- var transform = ts.transformNodes(resolver, host, compilerOptions, [sourceFileOrBundle], scriptTransformers, /*allowDtsFiles*/ false);
- var printerOptions = {
- removeComments: compilerOptions.removeComments,
- newLine: compilerOptions.newLine,
- noEmitHelpers: compilerOptions.noEmitHelpers,
- module: compilerOptions.module,
- target: compilerOptions.target,
- sourceMap: compilerOptions.sourceMap,
- inlineSourceMap: compilerOptions.inlineSourceMap,
- inlineSources: compilerOptions.inlineSources,
- extendedDiagnostics: compilerOptions.extendedDiagnostics,
- writeBundleFileInfo: !!bundleBuildInfo,
- relativeToBuildInfo: relativeToBuildInfo
- };
- // Create a printer to print the nodes
- var printer = createPrinter(printerOptions, {
- // resolver hooks
- hasGlobalName: resolver.hasGlobalName,
- // transform hooks
- onEmitNode: transform.emitNodeWithNotification,
- isEmitNotificationEnabled: transform.isEmitNotificationEnabled,
- substituteNode: transform.substituteNode,
- });
- ts.Debug.assert(transform.transformed.length === 1, "Should only see one output from the transform");
- printSourceFileOrBundle(jsFilePath, sourceMapFilePath, transform.transformed[0], printer, compilerOptions);
- // Clean up emit nodes on parse tree
- transform.dispose();
- if (bundleBuildInfo)
- bundleBuildInfo.js = printer.bundleFileInfo;
- }
- function emitDeclarationFileOrBundle(sourceFileOrBundle, declarationFilePath, declarationMapPath, relativeToBuildInfo) {
- if (!sourceFileOrBundle)
- return;
- if (!declarationFilePath) {
- if (emitOnlyDtsFiles || compilerOptions.emitDeclarationOnly)
- emitSkipped = true;
- return;
- }
- var sourceFiles = ts.isSourceFile(sourceFileOrBundle) ? [sourceFileOrBundle] : sourceFileOrBundle.sourceFiles;
- var filesForEmit = forceDtsEmit ? sourceFiles : ts.filter(sourceFiles, ts.isSourceFileNotJson);
- // Setup and perform the transformation to retrieve declarations from the input files
- var inputListOrBundle = (compilerOptions.outFile || compilerOptions.out) ? [ts.createBundle(filesForEmit, !ts.isSourceFile(sourceFileOrBundle) ? sourceFileOrBundle.prepends : undefined)] : filesForEmit;
- if (emitOnlyDtsFiles && !ts.getEmitDeclarations(compilerOptions)) {
- // Checker wont collect the linked aliases since thats only done when declaration is enabled.
- // Do that here when emitting only dts files
- filesForEmit.forEach(collectLinkedAliases);
- }
- var declarationTransform = ts.transformNodes(resolver, host, compilerOptions, inputListOrBundle, declarationTransformers, /*allowDtsFiles*/ false);
- if (ts.length(declarationTransform.diagnostics)) {
- for (var _a = 0, _b = declarationTransform.diagnostics; _a < _b.length; _a++) {
- var diagnostic = _b[_a];
- emitterDiagnostics.add(diagnostic);
- }
- }
- var printerOptions = {
- removeComments: compilerOptions.removeComments,
- newLine: compilerOptions.newLine,
- noEmitHelpers: true,
- module: compilerOptions.module,
- target: compilerOptions.target,
- sourceMap: compilerOptions.sourceMap,
- inlineSourceMap: compilerOptions.inlineSourceMap,
- extendedDiagnostics: compilerOptions.extendedDiagnostics,
- onlyPrintJsDocStyle: true,
- writeBundleFileInfo: !!bundleBuildInfo,
- recordInternalSection: !!bundleBuildInfo,
- relativeToBuildInfo: relativeToBuildInfo
- };
- var declarationPrinter = createPrinter(printerOptions, {
- // resolver hooks
- hasGlobalName: resolver.hasGlobalName,
- // transform hooks
- onEmitNode: declarationTransform.emitNodeWithNotification,
- isEmitNotificationEnabled: declarationTransform.isEmitNotificationEnabled,
- substituteNode: declarationTransform.substituteNode,
- });
- var declBlocked = (!!declarationTransform.diagnostics && !!declarationTransform.diagnostics.length) || !!host.isEmitBlocked(declarationFilePath) || !!compilerOptions.noEmit;
- emitSkipped = emitSkipped || declBlocked;
- if (!declBlocked || forceDtsEmit) {
- ts.Debug.assert(declarationTransform.transformed.length === 1, "Should only see one output from the decl transform");
- printSourceFileOrBundle(declarationFilePath, declarationMapPath, declarationTransform.transformed[0], declarationPrinter, {
- sourceMap: compilerOptions.declarationMap,
- sourceRoot: compilerOptions.sourceRoot,
- mapRoot: compilerOptions.mapRoot,
- extendedDiagnostics: compilerOptions.extendedDiagnostics,
- });
- if (forceDtsEmit && declarationTransform.transformed[0].kind === 290 /* SourceFile */) {
- var sourceFile = declarationTransform.transformed[0];
- exportedModulesFromDeclarationEmit = sourceFile.exportedModulesFromDeclarationEmit;
- }
- }
- declarationTransform.dispose();
- if (bundleBuildInfo)
- bundleBuildInfo.dts = declarationPrinter.bundleFileInfo;
- }
- function collectLinkedAliases(node) {
- if (ts.isExportAssignment(node)) {
- if (node.expression.kind === 75 /* Identifier */) {
- resolver.collectLinkedAliases(node.expression, /*setVisibility*/ true);
- }
- return;
- }
- else if (ts.isExportSpecifier(node)) {
- resolver.collectLinkedAliases(node.propertyName || node.name, /*setVisibility*/ true);
- return;
- }
- ts.forEachChild(node, collectLinkedAliases);
- }
- function printSourceFileOrBundle(jsFilePath, sourceMapFilePath, sourceFileOrBundle, printer, mapOptions) {
- var bundle = sourceFileOrBundle.kind === 291 /* Bundle */ ? sourceFileOrBundle : undefined;
- var sourceFile = sourceFileOrBundle.kind === 290 /* SourceFile */ ? sourceFileOrBundle : undefined;
- var sourceFiles = bundle ? bundle.sourceFiles : [sourceFile];
- var sourceMapGenerator;
- if (shouldEmitSourceMaps(mapOptions, sourceFileOrBundle)) {
- sourceMapGenerator = ts.createSourceMapGenerator(host, ts.getBaseFileName(ts.normalizeSlashes(jsFilePath)), getSourceRoot(mapOptions), getSourceMapDirectory(mapOptions, jsFilePath, sourceFile), mapOptions);
- }
- if (bundle) {
- printer.writeBundle(bundle, writer, sourceMapGenerator);
- }
- else {
- printer.writeFile(sourceFile, writer, sourceMapGenerator);
- }
- if (sourceMapGenerator) {
- if (sourceMapDataList) {
- sourceMapDataList.push({
- inputSourceFileNames: sourceMapGenerator.getSources(),
- sourceMap: sourceMapGenerator.toJSON()
- });
- }
- var sourceMappingURL = getSourceMappingURL(mapOptions, sourceMapGenerator, jsFilePath, sourceMapFilePath, sourceFile);
- if (sourceMappingURL) {
- if (!writer.isAtStartOfLine())
- writer.rawWrite(newLine);
- writer.writeComment("//# " + "sourceMappingURL" + "=" + sourceMappingURL); // Tools can sometimes see this line as a source mapping url comment
- }
- // Write the source map
- if (sourceMapFilePath) {
- var sourceMap = sourceMapGenerator.toString();
- ts.writeFile(host, emitterDiagnostics, sourceMapFilePath, sourceMap, /*writeByteOrderMark*/ false, sourceFiles);
- }
- }
- else {
- writer.writeLine();
- }
- // Write the output file
- ts.writeFile(host, emitterDiagnostics, jsFilePath, writer.getText(), !!compilerOptions.emitBOM, sourceFiles);
- // Reset state
- writer.clear();
- }
- function shouldEmitSourceMaps(mapOptions, sourceFileOrBundle) {
- return (mapOptions.sourceMap || mapOptions.inlineSourceMap)
- && (sourceFileOrBundle.kind !== 290 /* SourceFile */ || !ts.fileExtensionIs(sourceFileOrBundle.fileName, ".json" /* Json */));
- }
- function getSourceRoot(mapOptions) {
- // Normalize source root and make sure it has trailing "/" so that it can be used to combine paths with the
- // relative paths of the sources list in the sourcemap
- var sourceRoot = ts.normalizeSlashes(mapOptions.sourceRoot || "");
- return sourceRoot ? ts.ensureTrailingDirectorySeparator(sourceRoot) : sourceRoot;
- }
- function getSourceMapDirectory(mapOptions, filePath, sourceFile) {
- if (mapOptions.sourceRoot)
- return host.getCommonSourceDirectory();
- if (mapOptions.mapRoot) {
- var sourceMapDir = ts.normalizeSlashes(mapOptions.mapRoot);
- if (sourceFile) {
- // For modules or multiple emit files the mapRoot will have directory structure like the sources
- // So if src\a.ts and src\lib\b.ts are compiled together user would be moving the maps into mapRoot\a.js.map and mapRoot\lib\b.js.map
- sourceMapDir = ts.getDirectoryPath(ts.getSourceFilePathInNewDir(sourceFile.fileName, host, sourceMapDir));
- }
- if (ts.getRootLength(sourceMapDir) === 0) {
- // The relative paths are relative to the common directory
- sourceMapDir = ts.combinePaths(host.getCommonSourceDirectory(), sourceMapDir);
- }
- return sourceMapDir;
- }
- return ts.getDirectoryPath(ts.normalizePath(filePath));
- }
- function getSourceMappingURL(mapOptions, sourceMapGenerator, filePath, sourceMapFilePath, sourceFile) {
- if (mapOptions.inlineSourceMap) {
- // Encode the sourceMap into the sourceMap url
- var sourceMapText = sourceMapGenerator.toString();
- var base64SourceMapText = ts.base64encode(ts.sys, sourceMapText);
- return "data:application/json;base64," + base64SourceMapText;
- }
- var sourceMapFile = ts.getBaseFileName(ts.normalizeSlashes(ts.Debug.checkDefined(sourceMapFilePath)));
- if (mapOptions.mapRoot) {
- var sourceMapDir = ts.normalizeSlashes(mapOptions.mapRoot);
- if (sourceFile) {
- // For modules or multiple emit files the mapRoot will have directory structure like the sources
- // So if src\a.ts and src\lib\b.ts are compiled together user would be moving the maps into mapRoot\a.js.map and mapRoot\lib\b.js.map
- sourceMapDir = ts.getDirectoryPath(ts.getSourceFilePathInNewDir(sourceFile.fileName, host, sourceMapDir));
- }
- if (ts.getRootLength(sourceMapDir) === 0) {
- // The relative paths are relative to the common directory
- sourceMapDir = ts.combinePaths(host.getCommonSourceDirectory(), sourceMapDir);
- return ts.getRelativePathToDirectoryOrUrl(ts.getDirectoryPath(ts.normalizePath(filePath)), // get the relative sourceMapDir path based on jsFilePath
- ts.combinePaths(sourceMapDir, sourceMapFile), // this is where user expects to see sourceMap
- host.getCurrentDirectory(), host.getCanonicalFileName,
- /*isAbsolutePathAnUrl*/ true);
- }
- else {
- return ts.combinePaths(sourceMapDir, sourceMapFile);
- }
- }
- return sourceMapFile;
- }
- }
- ts.emitFiles = emitFiles;
- /*@internal*/
- function getBuildInfoText(buildInfo) {
- return JSON.stringify(buildInfo, undefined, 2);
- }
- ts.getBuildInfoText = getBuildInfoText;
- /*@internal*/
- function getBuildInfo(buildInfoText) {
- return JSON.parse(buildInfoText);
- }
- ts.getBuildInfo = getBuildInfo;
- /*@internal*/
- ts.notImplementedResolver = {
- hasGlobalName: ts.notImplemented,
- getReferencedExportContainer: ts.notImplemented,
- getReferencedImportDeclaration: ts.notImplemented,
- getReferencedDeclarationWithCollidingName: ts.notImplemented,
- isDeclarationWithCollidingName: ts.notImplemented,
- isValueAliasDeclaration: ts.notImplemented,
- isReferencedAliasDeclaration: ts.notImplemented,
- isTopLevelValueImportEqualsWithEntityName: ts.notImplemented,
- getNodeCheckFlags: ts.notImplemented,
- isDeclarationVisible: ts.notImplemented,
- isLateBound: function (_node) { return false; },
- collectLinkedAliases: ts.notImplemented,
- isImplementationOfOverload: ts.notImplemented,
- isRequiredInitializedParameter: ts.notImplemented,
- isOptionalUninitializedParameterProperty: ts.notImplemented,
- isExpandoFunctionDeclaration: ts.notImplemented,
- getPropertiesOfContainerFunction: ts.notImplemented,
- createTypeOfDeclaration: ts.notImplemented,
- createReturnTypeOfSignatureDeclaration: ts.notImplemented,
- createTypeOfExpression: ts.notImplemented,
- createLiteralConstValue: ts.notImplemented,
- isSymbolAccessible: ts.notImplemented,
- isEntityNameVisible: ts.notImplemented,
- // Returns the constant value this property access resolves to: notImplemented, or 'undefined' for a non-constant
- getConstantValue: ts.notImplemented,
- getReferencedValueDeclaration: ts.notImplemented,
- getTypeReferenceSerializationKind: ts.notImplemented,
- isOptionalParameter: ts.notImplemented,
- moduleExportsSomeValue: ts.notImplemented,
- isArgumentsLocalBinding: ts.notImplemented,
- getExternalModuleFileFromDeclaration: ts.notImplemented,
- getTypeReferenceDirectivesForEntityName: ts.notImplemented,
- getTypeReferenceDirectivesForSymbol: ts.notImplemented,
- isLiteralConstDeclaration: ts.notImplemented,
- getJsxFactoryEntity: ts.notImplemented,
- getAllAccessorDeclarations: ts.notImplemented,
- getSymbolOfExternalModuleSpecifier: ts.notImplemented,
- isBindingCapturedByNode: ts.notImplemented,
- getDeclarationStatementsForSourceFile: ts.notImplemented,
- isImportRequiredByAugmentation: ts.notImplemented,
- };
- function createSourceFilesFromBundleBuildInfo(bundle, buildInfoDirectory, host) {
- var sourceFiles = bundle.sourceFiles.map(function (fileName) {
- var sourceFile = ts.createNode(290 /* SourceFile */, 0, 0);
- sourceFile.fileName = ts.getRelativePathFromDirectory(host.getCurrentDirectory(), ts.getNormalizedAbsolutePath(fileName, buildInfoDirectory), !host.useCaseSensitiveFileNames());
- sourceFile.text = "";
- sourceFile.statements = ts.createNodeArray();
- return sourceFile;
- });
- var jsBundle = ts.Debug.checkDefined(bundle.js);
- ts.forEach(jsBundle.sources && jsBundle.sources.prologues, function (prologueInfo) {
- var sourceFile = sourceFiles[prologueInfo.file];
- sourceFile.text = prologueInfo.text;
- sourceFile.end = prologueInfo.text.length;
- sourceFile.statements = ts.createNodeArray(prologueInfo.directives.map(function (directive) {
- var statement = ts.createNode(226 /* ExpressionStatement */, directive.pos, directive.end);
- statement.expression = ts.createNode(10 /* StringLiteral */, directive.expression.pos, directive.expression.end);
- statement.expression.text = directive.expression.text;
- return statement;
- }));
- });
- return sourceFiles;
- }
- /*@internal*/
- function emitUsingBuildInfo(config, host, getCommandLine, customTransformers) {
- var _a = getOutputPathsForBundle(config.options, /*forceDtsPaths*/ false), buildInfoPath = _a.buildInfoPath, jsFilePath = _a.jsFilePath, sourceMapFilePath = _a.sourceMapFilePath, declarationFilePath = _a.declarationFilePath, declarationMapPath = _a.declarationMapPath;
- var buildInfoText = host.readFile(ts.Debug.checkDefined(buildInfoPath));
- if (!buildInfoText)
- return buildInfoPath;
- var jsFileText = host.readFile(ts.Debug.checkDefined(jsFilePath));
- if (!jsFileText)
- return jsFilePath;
- var sourceMapText = sourceMapFilePath && host.readFile(sourceMapFilePath);
- // error if no source map or for now if inline sourcemap
- if ((sourceMapFilePath && !sourceMapText) || config.options.inlineSourceMap)
- return sourceMapFilePath || "inline sourcemap decoding";
- // read declaration text
- var declarationText = declarationFilePath && host.readFile(declarationFilePath);
- if (declarationFilePath && !declarationText)
- return declarationFilePath;
- var declarationMapText = declarationMapPath && host.readFile(declarationMapPath);
- // error if no source map or for now if inline sourcemap
- if ((declarationMapPath && !declarationMapText) || config.options.inlineSourceMap)
- return declarationMapPath || "inline sourcemap decoding";
- var buildInfo = getBuildInfo(buildInfoText);
- if (!buildInfo.bundle || !buildInfo.bundle.js || (declarationText && !buildInfo.bundle.dts))
- return buildInfoPath;
- var buildInfoDirectory = ts.getDirectoryPath(ts.getNormalizedAbsolutePath(buildInfoPath, host.getCurrentDirectory()));
- var ownPrependInput = ts.createInputFiles(jsFileText, declarationText, sourceMapFilePath, sourceMapText, declarationMapPath, declarationMapText, jsFilePath, declarationFilePath, buildInfoPath, buildInfo,
- /*onlyOwnText*/ true);
- var outputFiles = [];
- var prependNodes = ts.createPrependNodes(config.projectReferences, getCommandLine, function (f) { return host.readFile(f); });
- var sourceFilesForJsEmit = createSourceFilesFromBundleBuildInfo(buildInfo.bundle, buildInfoDirectory, host);
- var emitHost = {
- getPrependNodes: ts.memoize(function () { return __spreadArrays(prependNodes, [ownPrependInput]); }),
- getCanonicalFileName: host.getCanonicalFileName,
- getCommonSourceDirectory: function () { return ts.getNormalizedAbsolutePath(buildInfo.bundle.commonSourceDirectory, buildInfoDirectory); },
- getCompilerOptions: function () { return config.options; },
- getCurrentDirectory: function () { return host.getCurrentDirectory(); },
- getNewLine: function () { return host.getNewLine(); },
- getSourceFile: ts.returnUndefined,
- getSourceFileByPath: ts.returnUndefined,
- getSourceFiles: function () { return sourceFilesForJsEmit; },
- getLibFileFromReference: ts.notImplemented,
- isSourceFileFromExternalLibrary: ts.returnFalse,
- getResolvedProjectReferenceToRedirect: ts.returnUndefined,
- getProjectReferenceRedirect: ts.returnUndefined,
- isSourceOfProjectReferenceRedirect: ts.returnFalse,
- writeFile: function (name, text, writeByteOrderMark) {
- switch (name) {
- case jsFilePath:
- if (jsFileText === text)
- return;
- break;
- case sourceMapFilePath:
- if (sourceMapText === text)
- return;
- break;
- case buildInfoPath:
- var newBuildInfo = getBuildInfo(text);
- newBuildInfo.program = buildInfo.program;
- // Update sourceFileInfo
- var _a = buildInfo.bundle, js = _a.js, dts = _a.dts, sourceFiles = _a.sourceFiles;
- newBuildInfo.bundle.js.sources = js.sources;
- if (dts) {
- newBuildInfo.bundle.dts.sources = dts.sources;
- }
- newBuildInfo.bundle.sourceFiles = sourceFiles;
- outputFiles.push({ name: name, text: getBuildInfoText(newBuildInfo), writeByteOrderMark: writeByteOrderMark });
- return;
- case declarationFilePath:
- if (declarationText === text)
- return;
- break;
- case declarationMapPath:
- if (declarationMapText === text)
- return;
- break;
- default:
- ts.Debug.fail("Unexpected path: " + name);
- }
- outputFiles.push({ name: name, text: text, writeByteOrderMark: writeByteOrderMark });
- },
- isEmitBlocked: ts.returnFalse,
- readFile: function (f) { return host.readFile(f); },
- fileExists: function (f) { return host.fileExists(f); },
- useCaseSensitiveFileNames: function () { return host.useCaseSensitiveFileNames(); },
- getProgramBuildInfo: ts.returnUndefined,
- getSourceFileFromReference: ts.returnUndefined,
- redirectTargetsMap: ts.createMultiMap()
- };
- emitFiles(ts.notImplementedResolver, emitHost,
- /*targetSourceFile*/ undefined, ts.getTransformers(config.options, customTransformers));
- return outputFiles;
- }
- ts.emitUsingBuildInfo = emitUsingBuildInfo;
- var PipelinePhase;
- (function (PipelinePhase) {
- PipelinePhase[PipelinePhase["Notification"] = 0] = "Notification";
- PipelinePhase[PipelinePhase["Substitution"] = 1] = "Substitution";
- PipelinePhase[PipelinePhase["Comments"] = 2] = "Comments";
- PipelinePhase[PipelinePhase["SourceMaps"] = 3] = "SourceMaps";
- PipelinePhase[PipelinePhase["Emit"] = 4] = "Emit";
- })(PipelinePhase || (PipelinePhase = {}));
- function createPrinter(printerOptions, handlers) {
- if (printerOptions === void 0) { printerOptions = {}; }
- if (handlers === void 0) { handlers = {}; }
- var hasGlobalName = handlers.hasGlobalName, _a = handlers.onEmitNode, onEmitNode = _a === void 0 ? ts.noEmitNotification : _a, isEmitNotificationEnabled = handlers.isEmitNotificationEnabled, _b = handlers.substituteNode, substituteNode = _b === void 0 ? ts.noEmitSubstitution : _b, onBeforeEmitNodeArray = handlers.onBeforeEmitNodeArray, onAfterEmitNodeArray = handlers.onAfterEmitNodeArray, onBeforeEmitToken = handlers.onBeforeEmitToken, onAfterEmitToken = handlers.onAfterEmitToken;
- var extendedDiagnostics = !!printerOptions.extendedDiagnostics;
- var newLine = ts.getNewLineCharacter(printerOptions);
- var moduleKind = ts.getEmitModuleKind(printerOptions);
- var bundledHelpers = ts.createMap();
- var currentSourceFile;
- var nodeIdToGeneratedName; // Map of generated names for specific nodes.
- var autoGeneratedIdToGeneratedName; // Map of generated names for temp and loop variables.
- var generatedNames; // Set of names generated by the NameGenerator.
- var tempFlagsStack; // Stack of enclosing name generation scopes.
- var tempFlags; // TempFlags for the current name generation scope.
- var reservedNamesStack; // Stack of TempFlags reserved in enclosing name generation scopes.
- var reservedNames; // TempFlags to reserve in nested name generation scopes.
- var preserveSourceNewlines = printerOptions.preserveSourceNewlines; // Can be overridden inside nodes with the `IgnoreSourceNewlines` emit flag.
- var writer;
- var ownWriter; // Reusable `EmitTextWriter` for basic printing.
- var write = writeBase;
- var isOwnFileEmit;
- var bundleFileInfo = printerOptions.writeBundleFileInfo ? { sections: [] } : undefined;
- var relativeToBuildInfo = bundleFileInfo ? ts.Debug.checkDefined(printerOptions.relativeToBuildInfo) : undefined;
- var recordInternalSection = printerOptions.recordInternalSection;
- var sourceFileTextPos = 0;
- var sourceFileTextKind = "text" /* Text */;
- // Source Maps
- var sourceMapsDisabled = true;
- var sourceMapGenerator;
- var sourceMapSource;
- var sourceMapSourceIndex = -1;
- // Comments
- var containerPos = -1;
- var containerEnd = -1;
- var declarationListContainerEnd = -1;
- var currentLineMap;
- var detachedCommentsInfo;
- var hasWrittenComment = false;
- var commentsDisabled = !!printerOptions.removeComments;
- var lastNode;
- var lastSubstitution;
- var _c = ts.performance.createTimerIf(extendedDiagnostics, "commentTime", "beforeComment", "afterComment"), enterComment = _c.enter, exitComment = _c.exit;
- reset();
- return {
- // public API
- printNode: printNode,
- printList: printList,
- printFile: printFile,
- printBundle: printBundle,
- // internal API
- writeNode: writeNode,
- writeList: writeList,
- writeFile: writeFile,
- writeBundle: writeBundle,
- bundleFileInfo: bundleFileInfo
- };
- function printNode(hint, node, sourceFile) {
- switch (hint) {
- case 0 /* SourceFile */:
- ts.Debug.assert(ts.isSourceFile(node), "Expected a SourceFile node.");
- break;
- case 2 /* IdentifierName */:
- ts.Debug.assert(ts.isIdentifier(node), "Expected an Identifier node.");
- break;
- case 1 /* Expression */:
- ts.Debug.assert(ts.isExpression(node), "Expected an Expression node.");
- break;
- }
- switch (node.kind) {
- case 290 /* SourceFile */: return printFile(node);
- case 291 /* Bundle */: return printBundle(node);
- case 292 /* UnparsedSource */: return printUnparsedSource(node);
- }
- writeNode(hint, node, sourceFile, beginPrint());
- return endPrint();
- }
- function printList(format, nodes, sourceFile) {
- writeList(format, nodes, sourceFile, beginPrint());
- return endPrint();
- }
- function printBundle(bundle) {
- writeBundle(bundle, beginPrint(), /*sourceMapEmitter*/ undefined);
- return endPrint();
- }
- function printFile(sourceFile) {
- writeFile(sourceFile, beginPrint(), /*sourceMapEmitter*/ undefined);
- return endPrint();
- }
- function printUnparsedSource(unparsed) {
- writeUnparsedSource(unparsed, beginPrint());
- return endPrint();
- }
- function writeNode(hint, node, sourceFile, output) {
- var previousWriter = writer;
- setWriter(output, /*_sourceMapGenerator*/ undefined);
- print(hint, node, sourceFile);
- reset();
- writer = previousWriter;
- }
- function writeList(format, nodes, sourceFile, output) {
- var previousWriter = writer;
- setWriter(output, /*_sourceMapGenerator*/ undefined);
- if (sourceFile) {
- setSourceFile(sourceFile);
- }
- emitList(syntheticParent, nodes, format);
- reset();
- writer = previousWriter;
- }
- function getTextPosWithWriteLine() {
- return writer.getTextPosWithWriteLine ? writer.getTextPosWithWriteLine() : writer.getTextPos();
- }
- function updateOrPushBundleFileTextLike(pos, end, kind) {
- var last = ts.lastOrUndefined(bundleFileInfo.sections);
- if (last && last.kind === kind) {
- last.end = end;
- }
- else {
- bundleFileInfo.sections.push({ pos: pos, end: end, kind: kind });
- }
- }
- function recordBundleFileInternalSectionStart(node) {
- if (recordInternalSection &&
- bundleFileInfo &&
- currentSourceFile &&
- (ts.isDeclaration(node) || ts.isVariableStatement(node)) &&
- ts.isInternalDeclaration(node, currentSourceFile) &&
- sourceFileTextKind !== "internal" /* Internal */) {
- var prevSourceFileTextKind = sourceFileTextKind;
- recordBundleFileTextLikeSection(writer.getTextPos());
- sourceFileTextPos = getTextPosWithWriteLine();
- sourceFileTextKind = "internal" /* Internal */;
- return prevSourceFileTextKind;
- }
- return undefined;
- }
- function recordBundleFileInternalSectionEnd(prevSourceFileTextKind) {
- if (prevSourceFileTextKind) {
- recordBundleFileTextLikeSection(writer.getTextPos());
- sourceFileTextPos = getTextPosWithWriteLine();
- sourceFileTextKind = prevSourceFileTextKind;
- }
- }
- function recordBundleFileTextLikeSection(end) {
- if (sourceFileTextPos < end) {
- updateOrPushBundleFileTextLike(sourceFileTextPos, end, sourceFileTextKind);
- return true;
- }
- return false;
- }
- function writeBundle(bundle, output, sourceMapGenerator) {
- var _a;
- isOwnFileEmit = false;
- var previousWriter = writer;
- setWriter(output, sourceMapGenerator);
- emitShebangIfNeeded(bundle);
- emitPrologueDirectivesIfNeeded(bundle);
- emitHelpers(bundle);
- emitSyntheticTripleSlashReferencesIfNeeded(bundle);
- for (var _b = 0, _c = bundle.prepends; _b < _c.length; _b++) {
- var prepend = _c[_b];
- writeLine();
- var pos = writer.getTextPos();
- var savedSections = bundleFileInfo && bundleFileInfo.sections;
- if (savedSections)
- bundleFileInfo.sections = [];
- print(4 /* Unspecified */, prepend, /*sourceFile*/ undefined);
- if (bundleFileInfo) {
- var newSections = bundleFileInfo.sections;
- bundleFileInfo.sections = savedSections;
- if (prepend.oldFileOfCurrentEmit)
- (_a = bundleFileInfo.sections).push.apply(_a, newSections);
- else {
- newSections.forEach(function (section) { return ts.Debug.assert(ts.isBundleFileTextLike(section)); });
- bundleFileInfo.sections.push({
- pos: pos,
- end: writer.getTextPos(),
- kind: "prepend" /* Prepend */,
- data: relativeToBuildInfo(prepend.fileName),
- texts: newSections
- });
- }
- }
- }
- sourceFileTextPos = getTextPosWithWriteLine();
- for (var _d = 0, _e = bundle.sourceFiles; _d < _e.length; _d++) {
- var sourceFile = _e[_d];
- print(0 /* SourceFile */, sourceFile, sourceFile);
- }
- if (bundleFileInfo && bundle.sourceFiles.length) {
- var end = writer.getTextPos();
- if (recordBundleFileTextLikeSection(end)) {
- // Store prologues
- var prologues = getPrologueDirectivesFromBundledSourceFiles(bundle);
- if (prologues) {
- if (!bundleFileInfo.sources)
- bundleFileInfo.sources = {};
- bundleFileInfo.sources.prologues = prologues;
- }
- // Store helpes
- var helpers = getHelpersFromBundledSourceFiles(bundle);
- if (helpers) {
- if (!bundleFileInfo.sources)
- bundleFileInfo.sources = {};
- bundleFileInfo.sources.helpers = helpers;
- }
- }
- }
- reset();
- writer = previousWriter;
- }
- function writeUnparsedSource(unparsed, output) {
- var previousWriter = writer;
- setWriter(output, /*_sourceMapGenerator*/ undefined);
- print(4 /* Unspecified */, unparsed, /*sourceFile*/ undefined);
- reset();
- writer = previousWriter;
- }
- function writeFile(sourceFile, output, sourceMapGenerator) {
- isOwnFileEmit = true;
- var previousWriter = writer;
- setWriter(output, sourceMapGenerator);
- emitShebangIfNeeded(sourceFile);
- emitPrologueDirectivesIfNeeded(sourceFile);
- print(0 /* SourceFile */, sourceFile, sourceFile);
- reset();
- writer = previousWriter;
- }
- function beginPrint() {
- return ownWriter || (ownWriter = ts.createTextWriter(newLine));
- }
- function endPrint() {
- var text = ownWriter.getText();
- ownWriter.clear();
- return text;
- }
- function print(hint, node, sourceFile) {
- if (sourceFile) {
- setSourceFile(sourceFile);
- }
- pipelineEmit(hint, node);
- }
- function setSourceFile(sourceFile) {
- currentSourceFile = sourceFile;
- currentLineMap = undefined;
- detachedCommentsInfo = undefined;
- if (sourceFile) {
- setSourceMapSource(sourceFile);
- }
- }
- function setWriter(_writer, _sourceMapGenerator) {
- if (_writer && printerOptions.omitTrailingSemicolon) {
- _writer = ts.getTrailingSemicolonDeferringWriter(_writer);
- }
- writer = _writer; // TODO: GH#18217
- sourceMapGenerator = _sourceMapGenerator;
- sourceMapsDisabled = !writer || !sourceMapGenerator;
- }
- function reset() {
- nodeIdToGeneratedName = [];
- autoGeneratedIdToGeneratedName = [];
- generatedNames = ts.createMap();
- tempFlagsStack = [];
- tempFlags = 0 /* Auto */;
- reservedNamesStack = [];
- currentSourceFile = undefined;
- currentLineMap = undefined;
- detachedCommentsInfo = undefined;
- lastNode = undefined;
- lastSubstitution = undefined;
- setWriter(/*output*/ undefined, /*_sourceMapGenerator*/ undefined);
- }
- function getCurrentLineMap() {
- return currentLineMap || (currentLineMap = ts.getLineStarts(currentSourceFile));
- }
- function emit(node) {
- if (node === undefined)
- return;
- var prevSourceFileTextKind = recordBundleFileInternalSectionStart(node);
- var substitute = pipelineEmit(4 /* Unspecified */, node);
- recordBundleFileInternalSectionEnd(prevSourceFileTextKind);
- return substitute;
- }
- function emitIdentifierName(node) {
- if (node === undefined)
- return;
- return pipelineEmit(2 /* IdentifierName */, node);
- }
- function emitExpression(node) {
- if (node === undefined)
- return;
- return pipelineEmit(1 /* Expression */, node);
- }
- function emitJsxAttributeValue(node) {
- return pipelineEmit(ts.isStringLiteral(node) ? 6 /* JsxAttributeValue */ : 4 /* Unspecified */, node);
- }
- function pipelineEmit(emitHint, node) {
- var savedLastNode = lastNode;
- var savedLastSubstitution = lastSubstitution;
- var savedPreserveSourceNewlines = preserveSourceNewlines;
- lastNode = node;
- lastSubstitution = undefined;
- if (preserveSourceNewlines && !!(ts.getEmitFlags(node) & 134217728 /* IgnoreSourceNewlines */)) {
- preserveSourceNewlines = false;
- }
- var pipelinePhase = getPipelinePhase(0 /* Notification */, emitHint, node);
- pipelinePhase(emitHint, node);
- ts.Debug.assert(lastNode === node);
- var substitute = lastSubstitution;
- lastNode = savedLastNode;
- lastSubstitution = savedLastSubstitution;
- preserveSourceNewlines = savedPreserveSourceNewlines;
- return substitute || node;
- }
- function getPipelinePhase(phase, emitHint, node) {
- switch (phase) {
- case 0 /* Notification */:
- if (onEmitNode !== ts.noEmitNotification && (!isEmitNotificationEnabled || isEmitNotificationEnabled(node))) {
- return pipelineEmitWithNotification;
- }
- // falls through
- case 1 /* Substitution */:
- if (substituteNode !== ts.noEmitSubstitution && (lastSubstitution = substituteNode(emitHint, node)) !== node) {
- return pipelineEmitWithSubstitution;
- }
- // falls through
- case 2 /* Comments */:
- if (!commentsDisabled && node.kind !== 290 /* SourceFile */) {
- return pipelineEmitWithComments;
- }
- // falls through
- case 3 /* SourceMaps */:
- if (!sourceMapsDisabled && node.kind !== 290 /* SourceFile */ && !ts.isInJsonFile(node)) {
- return pipelineEmitWithSourceMap;
- }
- // falls through
- case 4 /* Emit */:
- return pipelineEmitWithHint;
- default:
- return ts.Debug.assertNever(phase);
- }
- }
- function getNextPipelinePhase(currentPhase, emitHint, node) {
- return getPipelinePhase(currentPhase + 1, emitHint, node);
- }
- function pipelineEmitWithNotification(hint, node) {
- ts.Debug.assert(lastNode === node);
- var pipelinePhase = getNextPipelinePhase(0 /* Notification */, hint, node);
- onEmitNode(hint, node, pipelinePhase);
- ts.Debug.assert(lastNode === node);
- }
- function pipelineEmitWithHint(hint, node) {
- ts.Debug.assert(lastNode === node || lastSubstitution === node);
- if (hint === 0 /* SourceFile */)
- return emitSourceFile(ts.cast(node, ts.isSourceFile));
- if (hint === 2 /* IdentifierName */)
- return emitIdentifier(ts.cast(node, ts.isIdentifier));
- if (hint === 6 /* JsxAttributeValue */)
- return emitLiteral(ts.cast(node, ts.isStringLiteral), /*jsxAttributeEscape*/ true);
- if (hint === 3 /* MappedTypeParameter */)
- return emitMappedTypeParameter(ts.cast(node, ts.isTypeParameterDeclaration));
- if (hint === 5 /* EmbeddedStatement */) {
- ts.Debug.assertNode(node, ts.isEmptyStatement);
- return emitEmptyStatement(/*isEmbeddedStatement*/ true);
- }
- if (hint === 4 /* Unspecified */) {
- if (ts.isKeyword(node.kind))
- return writeTokenNode(node, writeKeyword);
- switch (node.kind) {
- // Pseudo-literals
- case 15 /* TemplateHead */:
- case 16 /* TemplateMiddle */:
- case 17 /* TemplateTail */:
- return emitLiteral(node, /*jsxAttributeEscape*/ false);
- case 292 /* UnparsedSource */:
- case 286 /* UnparsedPrepend */:
- return emitUnparsedSourceOrPrepend(node);
- case 285 /* UnparsedPrologue */:
- return writeUnparsedNode(node);
- case 287 /* UnparsedText */:
- case 288 /* UnparsedInternalText */:
- return emitUnparsedTextLike(node);
- case 289 /* UnparsedSyntheticReference */:
- return emitUnparsedSyntheticReference(node);
- // Identifiers
- case 75 /* Identifier */:
- return emitIdentifier(node);
- // PrivateIdentifiers
- case 76 /* PrivateIdentifier */:
- return emitPrivateIdentifier(node);
- // Parse tree nodes
- // Names
- case 153 /* QualifiedName */:
- return emitQualifiedName(node);
- case 154 /* ComputedPropertyName */:
- return emitComputedPropertyName(node);
- // Signature elements
- case 155 /* TypeParameter */:
- return emitTypeParameter(node);
- case 156 /* Parameter */:
- return emitParameter(node);
- case 157 /* Decorator */:
- return emitDecorator(node);
- // Type members
- case 158 /* PropertySignature */:
- return emitPropertySignature(node);
- case 159 /* PropertyDeclaration */:
- return emitPropertyDeclaration(node);
- case 160 /* MethodSignature */:
- return emitMethodSignature(node);
- case 161 /* MethodDeclaration */:
- return emitMethodDeclaration(node);
- case 162 /* Constructor */:
- return emitConstructor(node);
- case 163 /* GetAccessor */:
- case 164 /* SetAccessor */:
- return emitAccessorDeclaration(node);
- case 165 /* CallSignature */:
- return emitCallSignature(node);
- case 166 /* ConstructSignature */:
- return emitConstructSignature(node);
- case 167 /* IndexSignature */:
- return emitIndexSignature(node);
- // Types
- case 168 /* TypePredicate */:
- return emitTypePredicate(node);
- case 169 /* TypeReference */:
- return emitTypeReference(node);
- case 170 /* FunctionType */:
- return emitFunctionType(node);
- case 300 /* JSDocFunctionType */:
- return emitJSDocFunctionType(node);
- case 171 /* ConstructorType */:
- return emitConstructorType(node);
- case 172 /* TypeQuery */:
- return emitTypeQuery(node);
- case 173 /* TypeLiteral */:
- return emitTypeLiteral(node);
- case 174 /* ArrayType */:
- return emitArrayType(node);
- case 175 /* TupleType */:
- return emitTupleType(node);
- case 176 /* OptionalType */:
- return emitOptionalType(node);
- case 178 /* UnionType */:
- return emitUnionType(node);
- case 179 /* IntersectionType */:
- return emitIntersectionType(node);
- case 180 /* ConditionalType */:
- return emitConditionalType(node);
- case 181 /* InferType */:
- return emitInferType(node);
- case 182 /* ParenthesizedType */:
- return emitParenthesizedType(node);
- case 216 /* ExpressionWithTypeArguments */:
- return emitExpressionWithTypeArguments(node);
- case 183 /* ThisType */:
- return emitThisType();
- case 184 /* TypeOperator */:
- return emitTypeOperator(node);
- case 185 /* IndexedAccessType */:
- return emitIndexedAccessType(node);
- case 186 /* MappedType */:
- return emitMappedType(node);
- case 187 /* LiteralType */:
- return emitLiteralType(node);
- case 188 /* ImportType */:
- return emitImportTypeNode(node);
- case 295 /* JSDocAllType */:
- writePunctuation("*");
- return;
- case 296 /* JSDocUnknownType */:
- writePunctuation("?");
- return;
- case 297 /* JSDocNullableType */:
- return emitJSDocNullableType(node);
- case 298 /* JSDocNonNullableType */:
- return emitJSDocNonNullableType(node);
- case 299 /* JSDocOptionalType */:
- return emitJSDocOptionalType(node);
- case 177 /* RestType */:
- case 301 /* JSDocVariadicType */:
- return emitRestOrJSDocVariadicType(node);
- // Binding patterns
- case 189 /* ObjectBindingPattern */:
- return emitObjectBindingPattern(node);
- case 190 /* ArrayBindingPattern */:
- return emitArrayBindingPattern(node);
- case 191 /* BindingElement */:
- return emitBindingElement(node);
- // Misc
- case 221 /* TemplateSpan */:
- return emitTemplateSpan(node);
- case 222 /* SemicolonClassElement */:
- return emitSemicolonClassElement();
- // Statements
- case 223 /* Block */:
- return emitBlock(node);
- case 225 /* VariableStatement */:
- return emitVariableStatement(node);
- case 224 /* EmptyStatement */:
- return emitEmptyStatement(/*isEmbeddedStatement*/ false);
- case 226 /* ExpressionStatement */:
- return emitExpressionStatement(node);
- case 227 /* IfStatement */:
- return emitIfStatement(node);
- case 228 /* DoStatement */:
- return emitDoStatement(node);
- case 229 /* WhileStatement */:
- return emitWhileStatement(node);
- case 230 /* ForStatement */:
- return emitForStatement(node);
- case 231 /* ForInStatement */:
- return emitForInStatement(node);
- case 232 /* ForOfStatement */:
- return emitForOfStatement(node);
- case 233 /* ContinueStatement */:
- return emitContinueStatement(node);
- case 234 /* BreakStatement */:
- return emitBreakStatement(node);
- case 235 /* ReturnStatement */:
- return emitReturnStatement(node);
- case 236 /* WithStatement */:
- return emitWithStatement(node);
- case 237 /* SwitchStatement */:
- return emitSwitchStatement(node);
- case 238 /* LabeledStatement */:
- return emitLabeledStatement(node);
- case 239 /* ThrowStatement */:
- return emitThrowStatement(node);
- case 240 /* TryStatement */:
- return emitTryStatement(node);
- case 241 /* DebuggerStatement */:
- return emitDebuggerStatement(node);
- // Declarations
- case 242 /* VariableDeclaration */:
- return emitVariableDeclaration(node);
- case 243 /* VariableDeclarationList */:
- return emitVariableDeclarationList(node);
- case 244 /* FunctionDeclaration */:
- return emitFunctionDeclaration(node);
- case 245 /* ClassDeclaration */:
- return emitClassDeclaration(node);
- case 246 /* InterfaceDeclaration */:
- return emitInterfaceDeclaration(node);
- case 247 /* TypeAliasDeclaration */:
- return emitTypeAliasDeclaration(node);
- case 248 /* EnumDeclaration */:
- return emitEnumDeclaration(node);
- case 249 /* ModuleDeclaration */:
- return emitModuleDeclaration(node);
- case 250 /* ModuleBlock */:
- return emitModuleBlock(node);
- case 251 /* CaseBlock */:
- return emitCaseBlock(node);
- case 252 /* NamespaceExportDeclaration */:
- return emitNamespaceExportDeclaration(node);
- case 253 /* ImportEqualsDeclaration */:
- return emitImportEqualsDeclaration(node);
- case 254 /* ImportDeclaration */:
- return emitImportDeclaration(node);
- case 255 /* ImportClause */:
- return emitImportClause(node);
- case 256 /* NamespaceImport */:
- return emitNamespaceImport(node);
- case 262 /* NamespaceExport */:
- return emitNamespaceExport(node);
- case 257 /* NamedImports */:
- return emitNamedImports(node);
- case 258 /* ImportSpecifier */:
- return emitImportSpecifier(node);
- case 259 /* ExportAssignment */:
- return emitExportAssignment(node);
- case 260 /* ExportDeclaration */:
- return emitExportDeclaration(node);
- case 261 /* NamedExports */:
- return emitNamedExports(node);
- case 263 /* ExportSpecifier */:
- return emitExportSpecifier(node);
- case 264 /* MissingDeclaration */:
- return;
- // Module references
- case 265 /* ExternalModuleReference */:
- return emitExternalModuleReference(node);
- // JSX (non-expression)
- case 11 /* JsxText */:
- return emitJsxText(node);
- case 268 /* JsxOpeningElement */:
- case 271 /* JsxOpeningFragment */:
- return emitJsxOpeningElementOrFragment(node);
- case 269 /* JsxClosingElement */:
- case 272 /* JsxClosingFragment */:
- return emitJsxClosingElementOrFragment(node);
- case 273 /* JsxAttribute */:
- return emitJsxAttribute(node);
- case 274 /* JsxAttributes */:
- return emitJsxAttributes(node);
- case 275 /* JsxSpreadAttribute */:
- return emitJsxSpreadAttribute(node);
- case 276 /* JsxExpression */:
- return emitJsxExpression(node);
- // Clauses
- case 277 /* CaseClause */:
- return emitCaseClause(node);
- case 278 /* DefaultClause */:
- return emitDefaultClause(node);
- case 279 /* HeritageClause */:
- return emitHeritageClause(node);
- case 280 /* CatchClause */:
- return emitCatchClause(node);
- // Property assignments
- case 281 /* PropertyAssignment */:
- return emitPropertyAssignment(node);
- case 282 /* ShorthandPropertyAssignment */:
- return emitShorthandPropertyAssignment(node);
- case 283 /* SpreadAssignment */:
- return emitSpreadAssignment(node);
- // Enum
- case 284 /* EnumMember */:
- return emitEnumMember(node);
- // JSDoc nodes (only used in codefixes currently)
- case 317 /* JSDocParameterTag */:
- case 323 /* JSDocPropertyTag */:
- return emitJSDocPropertyLikeTag(node);
- case 318 /* JSDocReturnTag */:
- case 320 /* JSDocTypeTag */:
- case 319 /* JSDocThisTag */:
- case 316 /* JSDocEnumTag */:
- return emitJSDocSimpleTypedTag(node);
- case 308 /* JSDocImplementsTag */:
- case 307 /* JSDocAugmentsTag */:
- return emitJSDocHeritageTag(node);
- case 321 /* JSDocTemplateTag */:
- return emitJSDocTemplateTag(node);
- case 322 /* JSDocTypedefTag */:
- return emitJSDocTypedefTag(node);
- case 315 /* JSDocCallbackTag */:
- return emitJSDocCallbackTag(node);
- case 305 /* JSDocSignature */:
- return emitJSDocSignature(node);
- case 304 /* JSDocTypeLiteral */:
- return emitJSDocTypeLiteral(node);
- case 310 /* JSDocClassTag */:
- case 306 /* JSDocTag */:
- return emitJSDocSimpleTag(node);
- case 303 /* JSDocComment */:
- return emitJSDoc(node);
- // Transformation nodes (ignored)
- }
- if (ts.isExpression(node)) {
- hint = 1 /* Expression */;
- if (substituteNode !== ts.noEmitSubstitution) {
- lastSubstitution = node = substituteNode(hint, node);
- }
- }
- else if (ts.isToken(node)) {
- return writeTokenNode(node, writePunctuation);
- }
- }
- if (hint === 1 /* Expression */) {
- switch (node.kind) {
- // Literals
- case 8 /* NumericLiteral */:
- case 9 /* BigIntLiteral */:
- return emitNumericOrBigIntLiteral(node);
- case 10 /* StringLiteral */:
- case 13 /* RegularExpressionLiteral */:
- case 14 /* NoSubstitutionTemplateLiteral */:
- return emitLiteral(node, /*jsxAttributeEscape*/ false);
- // Identifiers
- case 75 /* Identifier */:
- return emitIdentifier(node);
- // Reserved words
- case 91 /* FalseKeyword */:
- case 100 /* NullKeyword */:
- case 102 /* SuperKeyword */:
- case 106 /* TrueKeyword */:
- case 104 /* ThisKeyword */:
- case 96 /* ImportKeyword */:
- writeTokenNode(node, writeKeyword);
- return;
- // Expressions
- case 192 /* ArrayLiteralExpression */:
- return emitArrayLiteralExpression(node);
- case 193 /* ObjectLiteralExpression */:
- return emitObjectLiteralExpression(node);
- case 194 /* PropertyAccessExpression */:
- return emitPropertyAccessExpression(node);
- case 195 /* ElementAccessExpression */:
- return emitElementAccessExpression(node);
- case 196 /* CallExpression */:
- return emitCallExpression(node);
- case 197 /* NewExpression */:
- return emitNewExpression(node);
- case 198 /* TaggedTemplateExpression */:
- return emitTaggedTemplateExpression(node);
- case 199 /* TypeAssertionExpression */:
- return emitTypeAssertionExpression(node);
- case 200 /* ParenthesizedExpression */:
- return emitParenthesizedExpression(node);
- case 201 /* FunctionExpression */:
- return emitFunctionExpression(node);
- case 202 /* ArrowFunction */:
- return emitArrowFunction(node);
- case 203 /* DeleteExpression */:
- return emitDeleteExpression(node);
- case 204 /* TypeOfExpression */:
- return emitTypeOfExpression(node);
- case 205 /* VoidExpression */:
- return emitVoidExpression(node);
- case 206 /* AwaitExpression */:
- return emitAwaitExpression(node);
- case 207 /* PrefixUnaryExpression */:
- return emitPrefixUnaryExpression(node);
- case 208 /* PostfixUnaryExpression */:
- return emitPostfixUnaryExpression(node);
- case 209 /* BinaryExpression */:
- return emitBinaryExpression(node);
- case 210 /* ConditionalExpression */:
- return emitConditionalExpression(node);
- case 211 /* TemplateExpression */:
- return emitTemplateExpression(node);
- case 212 /* YieldExpression */:
- return emitYieldExpression(node);
- case 213 /* SpreadElement */:
- return emitSpreadExpression(node);
- case 214 /* ClassExpression */:
- return emitClassExpression(node);
- case 215 /* OmittedExpression */:
- return;
- case 217 /* AsExpression */:
- return emitAsExpression(node);
- case 218 /* NonNullExpression */:
- return emitNonNullExpression(node);
- case 219 /* MetaProperty */:
- return emitMetaProperty(node);
- // JSX
- case 266 /* JsxElement */:
- return emitJsxElement(node);
- case 267 /* JsxSelfClosingElement */:
- return emitJsxSelfClosingElement(node);
- case 270 /* JsxFragment */:
- return emitJsxFragment(node);
- // Transformation nodes
- case 326 /* PartiallyEmittedExpression */:
- return emitPartiallyEmittedExpression(node);
- case 327 /* CommaListExpression */:
- return emitCommaList(node);
- }
- }
- }
- function emitMappedTypeParameter(node) {
- emit(node.name);
- writeSpace();
- writeKeyword("in");
- writeSpace();
- emit(node.constraint);
- }
- function pipelineEmitWithSubstitution(hint, node) {
- ts.Debug.assert(lastNode === node || lastSubstitution === node);
- var pipelinePhase = getNextPipelinePhase(1 /* Substitution */, hint, node);
- pipelinePhase(hint, lastSubstitution);
- ts.Debug.assert(lastNode === node || lastSubstitution === node);
- }
- function getHelpersFromBundledSourceFiles(bundle) {
- var result;
- if (moduleKind === ts.ModuleKind.None || printerOptions.noEmitHelpers) {
- return undefined;
- }
- var bundledHelpers = ts.createMap();
- for (var _a = 0, _b = bundle.sourceFiles; _a < _b.length; _a++) {
- var sourceFile = _b[_a];
- var shouldSkip = ts.getExternalHelpersModuleName(sourceFile) !== undefined;
- var helpers = getSortedEmitHelpers(sourceFile);
- if (!helpers)
- continue;
- for (var _c = 0, helpers_4 = helpers; _c < helpers_4.length; _c++) {
- var helper = helpers_4[_c];
- if (!helper.scoped && !shouldSkip && !bundledHelpers.get(helper.name)) {
- bundledHelpers.set(helper.name, true);
- (result || (result = [])).push(helper.name);
- }
- }
- }
- return result;
- }
- function emitHelpers(node) {
- var helpersEmitted = false;
- var bundle = node.kind === 291 /* Bundle */ ? node : undefined;
- if (bundle && moduleKind === ts.ModuleKind.None) {
- return;
- }
- var numPrepends = bundle ? bundle.prepends.length : 0;
- var numNodes = bundle ? bundle.sourceFiles.length + numPrepends : 1;
- for (var i = 0; i < numNodes; i++) {
- var currentNode = bundle ? i < numPrepends ? bundle.prepends[i] : bundle.sourceFiles[i - numPrepends] : node;
- var sourceFile = ts.isSourceFile(currentNode) ? currentNode : ts.isUnparsedSource(currentNode) ? undefined : currentSourceFile;
- var shouldSkip = printerOptions.noEmitHelpers || (!!sourceFile && ts.hasRecordedExternalHelpers(sourceFile));
- var shouldBundle = (ts.isSourceFile(currentNode) || ts.isUnparsedSource(currentNode)) && !isOwnFileEmit;
- var helpers = ts.isUnparsedSource(currentNode) ? currentNode.helpers : getSortedEmitHelpers(currentNode);
- if (helpers) {
- for (var _a = 0, helpers_5 = helpers; _a < helpers_5.length; _a++) {
- var helper = helpers_5[_a];
- if (!helper.scoped) {
- // Skip the helper if it can be skipped and the noEmitHelpers compiler
- // option is set, or if it can be imported and the importHelpers compiler
- // option is set.
- if (shouldSkip)
- continue;
- // Skip the helper if it can be bundled but hasn't already been emitted and we
- // are emitting a bundled module.
- if (shouldBundle) {
- if (bundledHelpers.get(helper.name)) {
- continue;
- }
- bundledHelpers.set(helper.name, true);
- }
- }
- else if (bundle) {
- // Skip the helper if it is scoped and we are emitting bundled helpers
- continue;
- }
- var pos = getTextPosWithWriteLine();
- if (typeof helper.text === "string") {
- writeLines(helper.text);
- }
- else {
- writeLines(helper.text(makeFileLevelOptimisticUniqueName));
- }
- if (bundleFileInfo)
- bundleFileInfo.sections.push({ pos: pos, end: writer.getTextPos(), kind: "emitHelpers" /* EmitHelpers */, data: helper.name });
- helpersEmitted = true;
- }
- }
- }
- return helpersEmitted;
- }
- function getSortedEmitHelpers(node) {
- var helpers = ts.getEmitHelpers(node);
- return helpers && ts.stableSort(helpers, ts.compareEmitHelpers);
- }
- //
- // Literals/Pseudo-literals
- //
- // SyntaxKind.NumericLiteral
- // SyntaxKind.BigIntLiteral
- function emitNumericOrBigIntLiteral(node) {
- emitLiteral(node, /*jsxAttributeEscape*/ false);
- }
- // SyntaxKind.StringLiteral
- // SyntaxKind.RegularExpressionLiteral
- // SyntaxKind.NoSubstitutionTemplateLiteral
- // SyntaxKind.TemplateHead
- // SyntaxKind.TemplateMiddle
- // SyntaxKind.TemplateTail
- function emitLiteral(node, jsxAttributeEscape) {
- var text = getLiteralTextOfNode(node, printerOptions.neverAsciiEscape, jsxAttributeEscape);
- if ((printerOptions.sourceMap || printerOptions.inlineSourceMap)
- && (node.kind === 10 /* StringLiteral */ || ts.isTemplateLiteralKind(node.kind))) {
- writeLiteral(text);
- }
- else {
- // Quick info expects all literals to be called with writeStringLiteral, as there's no specific type for numberLiterals
- writeStringLiteral(text);
- }
- }
- // SyntaxKind.UnparsedSource
- // SyntaxKind.UnparsedPrepend
- function emitUnparsedSourceOrPrepend(unparsed) {
- for (var _a = 0, _b = unparsed.texts; _a < _b.length; _a++) {
- var text = _b[_a];
- writeLine();
- emit(text);
- }
- }
- // SyntaxKind.UnparsedPrologue
- // SyntaxKind.UnparsedText
- // SyntaxKind.UnparsedInternal
- // SyntaxKind.UnparsedSyntheticReference
- function writeUnparsedNode(unparsed) {
- writer.rawWrite(unparsed.parent.text.substring(unparsed.pos, unparsed.end));
- }
- // SyntaxKind.UnparsedText
- // SyntaxKind.UnparsedInternal
- function emitUnparsedTextLike(unparsed) {
- var pos = getTextPosWithWriteLine();
- writeUnparsedNode(unparsed);
- if (bundleFileInfo) {
- updateOrPushBundleFileTextLike(pos, writer.getTextPos(), unparsed.kind === 287 /* UnparsedText */ ?
- "text" /* Text */ :
- "internal" /* Internal */);
- }
- }
- // SyntaxKind.UnparsedSyntheticReference
- function emitUnparsedSyntheticReference(unparsed) {
- var pos = getTextPosWithWriteLine();
- writeUnparsedNode(unparsed);
- if (bundleFileInfo) {
- var section = ts.clone(unparsed.section);
- section.pos = pos;
- section.end = writer.getTextPos();
- bundleFileInfo.sections.push(section);
- }
- }
- //
- // Identifiers
- //
- function emitIdentifier(node) {
- var writeText = node.symbol ? writeSymbol : write;
- writeText(getTextOfNode(node, /*includeTrivia*/ false), node.symbol);
- emitList(node, node.typeArguments, 53776 /* TypeParameters */); // Call emitList directly since it could be an array of TypeParameterDeclarations _or_ type arguments
- }
- //
- // Names
- //
- function emitPrivateIdentifier(node) {
- var writeText = node.symbol ? writeSymbol : write;
- writeText(getTextOfNode(node, /*includeTrivia*/ false), node.symbol);
- }
- function emitQualifiedName(node) {
- emitEntityName(node.left);
- writePunctuation(".");
- emit(node.right);
- }
- function emitEntityName(node) {
- if (node.kind === 75 /* Identifier */) {
- emitExpression(node);
- }
- else {
- emit(node);
- }
- }
- function emitComputedPropertyName(node) {
- writePunctuation("[");
- emitExpression(node.expression);
- writePunctuation("]");
- }
- //
- // Signature elements
- //
- function emitTypeParameter(node) {
- emit(node.name);
- if (node.constraint) {
- writeSpace();
- writeKeyword("extends");
- writeSpace();
- emit(node.constraint);
- }
- if (node.default) {
- writeSpace();
- writeOperator("=");
- writeSpace();
- emit(node.default);
- }
- }
- function emitParameter(node) {
- emitDecorators(node, node.decorators);
- emitModifiers(node, node.modifiers);
- emit(node.dotDotDotToken);
- emitNodeWithWriter(node.name, writeParameter);
- emit(node.questionToken);
- if (node.parent && node.parent.kind === 300 /* JSDocFunctionType */ && !node.name) {
- emit(node.type);
- }
- else {
- emitTypeAnnotation(node.type);
- }
- // The comment position has to fallback to any present node within the parameterdeclaration because as it turns out, the parser can make parameter declarations with _just_ an initializer.
- emitInitializer(node.initializer, node.type ? node.type.end : node.questionToken ? node.questionToken.end : node.name ? node.name.end : node.modifiers ? node.modifiers.end : node.decorators ? node.decorators.end : node.pos, node);
- }
- function emitDecorator(decorator) {
- writePunctuation("@");
- emitExpression(decorator.expression);
- }
- //
- // Type members
- //
- function emitPropertySignature(node) {
- emitDecorators(node, node.decorators);
- emitModifiers(node, node.modifiers);
- emitNodeWithWriter(node.name, writeProperty);
- emit(node.questionToken);
- emitTypeAnnotation(node.type);
- writeTrailingSemicolon();
- }
- function emitPropertyDeclaration(node) {
- emitDecorators(node, node.decorators);
- emitModifiers(node, node.modifiers);
- emit(node.name);
- emit(node.questionToken);
- emit(node.exclamationToken);
- emitTypeAnnotation(node.type);
- emitInitializer(node.initializer, node.type ? node.type.end : node.questionToken ? node.questionToken.end : node.name.end, node);
- writeTrailingSemicolon();
- }
- function emitMethodSignature(node) {
- pushNameGenerationScope(node);
- emitDecorators(node, node.decorators);
- emitModifiers(node, node.modifiers);
- emit(node.name);
- emit(node.questionToken);
- emitTypeParameters(node, node.typeParameters);
- emitParameters(node, node.parameters);
- emitTypeAnnotation(node.type);
- writeTrailingSemicolon();
- popNameGenerationScope(node);
- }
- function emitMethodDeclaration(node) {
- emitDecorators(node, node.decorators);
- emitModifiers(node, node.modifiers);
- emit(node.asteriskToken);
- emit(node.name);
- emit(node.questionToken);
- emitSignatureAndBody(node, emitSignatureHead);
- }
- function emitConstructor(node) {
- emitModifiers(node, node.modifiers);
- writeKeyword("constructor");
- emitSignatureAndBody(node, emitSignatureHead);
- }
- function emitAccessorDeclaration(node) {
- emitDecorators(node, node.decorators);
- emitModifiers(node, node.modifiers);
- writeKeyword(node.kind === 163 /* GetAccessor */ ? "get" : "set");
- writeSpace();
- emit(node.name);
- emitSignatureAndBody(node, emitSignatureHead);
- }
- function emitCallSignature(node) {
- pushNameGenerationScope(node);
- emitDecorators(node, node.decorators);
- emitModifiers(node, node.modifiers);
- emitTypeParameters(node, node.typeParameters);
- emitParameters(node, node.parameters);
- emitTypeAnnotation(node.type);
- writeTrailingSemicolon();
- popNameGenerationScope(node);
- }
- function emitConstructSignature(node) {
- pushNameGenerationScope(node);
- emitDecorators(node, node.decorators);
- emitModifiers(node, node.modifiers);
- writeKeyword("new");
- writeSpace();
- emitTypeParameters(node, node.typeParameters);
- emitParameters(node, node.parameters);
- emitTypeAnnotation(node.type);
- writeTrailingSemicolon();
- popNameGenerationScope(node);
- }
- function emitIndexSignature(node) {
- emitDecorators(node, node.decorators);
- emitModifiers(node, node.modifiers);
- emitParametersForIndexSignature(node, node.parameters);
- emitTypeAnnotation(node.type);
- writeTrailingSemicolon();
- }
- function emitSemicolonClassElement() {
- writeTrailingSemicolon();
- }
- //
- // Types
- //
- function emitTypePredicate(node) {
- if (node.assertsModifier) {
- emit(node.assertsModifier);
- writeSpace();
- }
- emit(node.parameterName);
- if (node.type) {
- writeSpace();
- writeKeyword("is");
- writeSpace();
- emit(node.type);
- }
- }
- function emitTypeReference(node) {
- emit(node.typeName);
- emitTypeArguments(node, node.typeArguments);
- }
- function emitFunctionType(node) {
- pushNameGenerationScope(node);
- emitTypeParameters(node, node.typeParameters);
- emitParametersForArrow(node, node.parameters);
- writeSpace();
- writePunctuation("=>");
- writeSpace();
- emit(node.type);
- popNameGenerationScope(node);
- }
- function emitJSDocFunctionType(node) {
- writeKeyword("function");
- emitParameters(node, node.parameters);
- writePunctuation(":");
- emit(node.type);
- }
- function emitJSDocNullableType(node) {
- writePunctuation("?");
- emit(node.type);
- }
- function emitJSDocNonNullableType(node) {
- writePunctuation("!");
- emit(node.type);
- }
- function emitJSDocOptionalType(node) {
- emit(node.type);
- writePunctuation("=");
- }
- function emitConstructorType(node) {
- pushNameGenerationScope(node);
- writeKeyword("new");
- writeSpace();
- emitTypeParameters(node, node.typeParameters);
- emitParameters(node, node.parameters);
- writeSpace();
- writePunctuation("=>");
- writeSpace();
- emit(node.type);
- popNameGenerationScope(node);
- }
- function emitTypeQuery(node) {
- writeKeyword("typeof");
- writeSpace();
- emit(node.exprName);
- }
- function emitTypeLiteral(node) {
- writePunctuation("{");
- var flags = ts.getEmitFlags(node) & 1 /* SingleLine */ ? 768 /* SingleLineTypeLiteralMembers */ : 32897 /* MultiLineTypeLiteralMembers */;
- emitList(node, node.members, flags | 524288 /* NoSpaceIfEmpty */);
- writePunctuation("}");
- }
- function emitArrayType(node) {
- emit(node.elementType);
- writePunctuation("[");
- writePunctuation("]");
- }
- function emitRestOrJSDocVariadicType(node) {
- writePunctuation("...");
- emit(node.type);
- }
- function emitTupleType(node) {
- writePunctuation("[");
- emitList(node, node.elementTypes, 528 /* TupleTypeElements */);
- writePunctuation("]");
- }
- function emitOptionalType(node) {
- emit(node.type);
- writePunctuation("?");
- }
- function emitUnionType(node) {
- emitList(node, node.types, 516 /* UnionTypeConstituents */);
- }
- function emitIntersectionType(node) {
- emitList(node, node.types, 520 /* IntersectionTypeConstituents */);
- }
- function emitConditionalType(node) {
- emit(node.checkType);
- writeSpace();
- writeKeyword("extends");
- writeSpace();
- emit(node.extendsType);
- writeSpace();
- writePunctuation("?");
- writeSpace();
- emit(node.trueType);
- writeSpace();
- writePunctuation(":");
- writeSpace();
- emit(node.falseType);
- }
- function emitInferType(node) {
- writeKeyword("infer");
- writeSpace();
- emit(node.typeParameter);
- }
- function emitParenthesizedType(node) {
- writePunctuation("(");
- emit(node.type);
- writePunctuation(")");
- }
- function emitThisType() {
- writeKeyword("this");
- }
- function emitTypeOperator(node) {
- writeTokenText(node.operator, writeKeyword);
- writeSpace();
- emit(node.type);
- }
- function emitIndexedAccessType(node) {
- emit(node.objectType);
- writePunctuation("[");
- emit(node.indexType);
- writePunctuation("]");
- }
- function emitMappedType(node) {
- var emitFlags = ts.getEmitFlags(node);
- writePunctuation("{");
- if (emitFlags & 1 /* SingleLine */) {
- writeSpace();
- }
- else {
- writeLine();
- increaseIndent();
- }
- if (node.readonlyToken) {
- emit(node.readonlyToken);
- if (node.readonlyToken.kind !== 138 /* ReadonlyKeyword */) {
- writeKeyword("readonly");
- }
- writeSpace();
- }
- writePunctuation("[");
- pipelineEmit(3 /* MappedTypeParameter */, node.typeParameter);
- writePunctuation("]");
- if (node.questionToken) {
- emit(node.questionToken);
- if (node.questionToken.kind !== 57 /* QuestionToken */) {
- writePunctuation("?");
- }
- }
- writePunctuation(":");
- writeSpace();
- emit(node.type);
- writeTrailingSemicolon();
- if (emitFlags & 1 /* SingleLine */) {
- writeSpace();
- }
- else {
- writeLine();
- decreaseIndent();
- }
- writePunctuation("}");
- }
- function emitLiteralType(node) {
- emitExpression(node.literal);
- }
- function emitImportTypeNode(node) {
- if (node.isTypeOf) {
- writeKeyword("typeof");
- writeSpace();
- }
- writeKeyword("import");
- writePunctuation("(");
- emit(node.argument);
- writePunctuation(")");
- if (node.qualifier) {
- writePunctuation(".");
- emit(node.qualifier);
- }
- emitTypeArguments(node, node.typeArguments);
- }
- //
- // Binding patterns
- //
- function emitObjectBindingPattern(node) {
- writePunctuation("{");
- emitList(node, node.elements, 525136 /* ObjectBindingPatternElements */);
- writePunctuation("}");
- }
- function emitArrayBindingPattern(node) {
- writePunctuation("[");
- emitList(node, node.elements, 524880 /* ArrayBindingPatternElements */);
- writePunctuation("]");
- }
- function emitBindingElement(node) {
- emit(node.dotDotDotToken);
- if (node.propertyName) {
- emit(node.propertyName);
- writePunctuation(":");
- writeSpace();
- }
- emit(node.name);
- emitInitializer(node.initializer, node.name.end, node);
- }
- //
- // Expressions
- //
- function emitArrayLiteralExpression(node) {
- var elements = node.elements;
- var preferNewLine = node.multiLine ? 65536 /* PreferNewLine */ : 0 /* None */;
- emitExpressionList(node, elements, 8914 /* ArrayLiteralExpressionElements */ | preferNewLine);
- }
- function emitObjectLiteralExpression(node) {
- ts.forEach(node.properties, generateMemberNames);
- var indentedFlag = ts.getEmitFlags(node) & 65536 /* Indented */;
- if (indentedFlag) {
- increaseIndent();
- }
- var preferNewLine = node.multiLine ? 65536 /* PreferNewLine */ : 0 /* None */;
- var allowTrailingComma = currentSourceFile.languageVersion >= 1 /* ES5 */ && !ts.isJsonSourceFile(currentSourceFile) ? 64 /* AllowTrailingComma */ : 0 /* None */;
- emitList(node, node.properties, 526226 /* ObjectLiteralExpressionProperties */ | allowTrailingComma | preferNewLine);
- if (indentedFlag) {
- decreaseIndent();
- }
- }
- function emitPropertyAccessExpression(node) {
- var expression = ts.cast(emitExpression(node.expression), ts.isExpression);
- var token = node.questionDotToken || ts.createNode(24 /* DotToken */, node.expression.end, node.name.pos);
- var linesBeforeDot = getLinesBetweenNodes(node, node.expression, token);
- var linesAfterDot = getLinesBetweenNodes(node, token, node.name);
- writeLinesAndIndent(linesBeforeDot, /*writeSpaceIfNotIndenting*/ false);
- var shouldEmitDotDot = token.kind !== 28 /* QuestionDotToken */ &&
- mayNeedDotDotForPropertyAccess(expression) &&
- !writer.hasTrailingComment() &&
- !writer.hasTrailingWhitespace();
- if (shouldEmitDotDot) {
- writePunctuation(".");
- }
- if (node.questionDotToken) {
- emit(token);
- }
- else {
- emitTokenWithComment(token.kind, node.expression.end, writePunctuation, node);
- }
- writeLinesAndIndent(linesAfterDot, /*writeSpaceIfNotIndenting*/ false);
- emit(node.name);
- decreaseIndentIf(linesBeforeDot, linesAfterDot);
- }
- // 1..toString is a valid property access, emit a dot after the literal
- // Also emit a dot if expression is a integer const enum value - it will appear in generated code as numeric literal
- function mayNeedDotDotForPropertyAccess(expression) {
- expression = ts.skipPartiallyEmittedExpressions(expression);
- if (ts.isNumericLiteral(expression)) {
- // check if numeric literal is a decimal literal that was originally written with a dot
- var text = getLiteralTextOfNode(expression, /*neverAsciiEscape*/ true, /*jsxAttributeEscape*/ false);
- // If he number will be printed verbatim and it doesn't already contain a dot, add one
- // if the expression doesn't have any comments that will be emitted.
- return !expression.numericLiteralFlags && !ts.stringContains(text, ts.tokenToString(24 /* DotToken */));
- }
- else if (ts.isAccessExpression(expression)) {
- // check if constant enum value is integer
- var constantValue = ts.getConstantValue(expression);
- // isFinite handles cases when constantValue is undefined
- return typeof constantValue === "number" && isFinite(constantValue)
- && Math.floor(constantValue) === constantValue;
- }
- }
- function emitElementAccessExpression(node) {
- emitExpression(node.expression);
- emit(node.questionDotToken);
- emitTokenWithComment(22 /* OpenBracketToken */, node.expression.end, writePunctuation, node);
- emitExpression(node.argumentExpression);
- emitTokenWithComment(23 /* CloseBracketToken */, node.argumentExpression.end, writePunctuation, node);
- }
- function emitCallExpression(node) {
- emitExpression(node.expression);
- emit(node.questionDotToken);
- emitTypeArguments(node, node.typeArguments);
- emitExpressionList(node, node.arguments, 2576 /* CallExpressionArguments */);
- }
- function emitNewExpression(node) {
- emitTokenWithComment(99 /* NewKeyword */, node.pos, writeKeyword, node);
- writeSpace();
- emitExpression(node.expression);
- emitTypeArguments(node, node.typeArguments);
- emitExpressionList(node, node.arguments, 18960 /* NewExpressionArguments */);
- }
- function emitTaggedTemplateExpression(node) {
- emitExpression(node.tag);
- emitTypeArguments(node, node.typeArguments);
- writeSpace();
- emitExpression(node.template);
- }
- function emitTypeAssertionExpression(node) {
- writePunctuation("<");
- emit(node.type);
- writePunctuation(">");
- emitExpression(node.expression);
- }
- function emitParenthesizedExpression(node) {
- var openParenPos = emitTokenWithComment(20 /* OpenParenToken */, node.pos, writePunctuation, node);
- var indented = writeLineSeparatorsAndIndentBefore(node.expression, node);
- emitExpression(node.expression);
- writeLineSeparatorsAfter(node.expression, node);
- decreaseIndentIf(indented);
- emitTokenWithComment(21 /* CloseParenToken */, node.expression ? node.expression.end : openParenPos, writePunctuation, node);
- }
- function emitFunctionExpression(node) {
- generateNameIfNeeded(node.name);
- emitFunctionDeclarationOrExpression(node);
- }
- function emitArrowFunction(node) {
- emitDecorators(node, node.decorators);
- emitModifiers(node, node.modifiers);
- emitSignatureAndBody(node, emitArrowFunctionHead);
- }
- function emitArrowFunctionHead(node) {
- emitTypeParameters(node, node.typeParameters);
- emitParametersForArrow(node, node.parameters);
- emitTypeAnnotation(node.type);
- writeSpace();
- emit(node.equalsGreaterThanToken);
- }
- function emitDeleteExpression(node) {
- emitTokenWithComment(85 /* DeleteKeyword */, node.pos, writeKeyword, node);
- writeSpace();
- emitExpression(node.expression);
- }
- function emitTypeOfExpression(node) {
- emitTokenWithComment(108 /* TypeOfKeyword */, node.pos, writeKeyword, node);
- writeSpace();
- emitExpression(node.expression);
- }
- function emitVoidExpression(node) {
- emitTokenWithComment(110 /* VoidKeyword */, node.pos, writeKeyword, node);
- writeSpace();
- emitExpression(node.expression);
- }
- function emitAwaitExpression(node) {
- emitTokenWithComment(127 /* AwaitKeyword */, node.pos, writeKeyword, node);
- writeSpace();
- emitExpression(node.expression);
- }
- function emitPrefixUnaryExpression(node) {
- writeTokenText(node.operator, writeOperator);
- if (shouldEmitWhitespaceBeforeOperand(node)) {
- writeSpace();
- }
- emitExpression(node.operand);
- }
- function shouldEmitWhitespaceBeforeOperand(node) {
- // In some cases, we need to emit a space between the operator and the operand. One obvious case
- // is when the operator is an identifier, like delete or typeof. We also need to do this for plus
- // and minus expressions in certain cases. Specifically, consider the following two cases (parens
- // are just for clarity of exposition, and not part of the source code):
- //
- // (+(+1))
- // (+(++1))
- //
- // We need to emit a space in both cases. In the first case, the absence of a space will make
- // the resulting expression a prefix increment operation. And in the second, it will make the resulting
- // expression a prefix increment whose operand is a plus expression - (++(+x))
- // The same is true of minus of course.
- var operand = node.operand;
- return operand.kind === 207 /* PrefixUnaryExpression */
- && ((node.operator === 39 /* PlusToken */ && (operand.operator === 39 /* PlusToken */ || operand.operator === 45 /* PlusPlusToken */))
- || (node.operator === 40 /* MinusToken */ && (operand.operator === 40 /* MinusToken */ || operand.operator === 46 /* MinusMinusToken */)));
- }
- function emitPostfixUnaryExpression(node) {
- emitExpression(node.operand);
- writeTokenText(node.operator, writeOperator);
- }
- var EmitBinaryExpressionState;
- (function (EmitBinaryExpressionState) {
- EmitBinaryExpressionState[EmitBinaryExpressionState["EmitLeft"] = 0] = "EmitLeft";
- EmitBinaryExpressionState[EmitBinaryExpressionState["EmitRight"] = 1] = "EmitRight";
- EmitBinaryExpressionState[EmitBinaryExpressionState["FinishEmit"] = 2] = "FinishEmit";
- })(EmitBinaryExpressionState || (EmitBinaryExpressionState = {}));
- /**
- * emitBinaryExpression includes an embedded work stack to attempt to handle as many nested binary expressions
- * as possible without creating any additional stack frames. This can only be done when the emit pipeline does
- * not require notification/substitution/comment/sourcemap decorations.
- */
- function emitBinaryExpression(node) {
- var nodeStack = [node];
- var stateStack = [0 /* EmitLeft */];
- var stackIndex = 0;
- while (stackIndex >= 0) {
- node = nodeStack[stackIndex];
- switch (stateStack[stackIndex]) {
- case 0 /* EmitLeft */: {
- maybePipelineEmitExpression(node.left);
- break;
- }
- case 1 /* EmitRight */: {
- var isCommaOperator = node.operatorToken.kind !== 27 /* CommaToken */;
- var linesBeforeOperator = getLinesBetweenNodes(node, node.left, node.operatorToken);
- var linesAfterOperator = getLinesBetweenNodes(node, node.operatorToken, node.right);
- writeLinesAndIndent(linesBeforeOperator, isCommaOperator);
- emitLeadingCommentsOfPosition(node.operatorToken.pos);
- writeTokenNode(node.operatorToken, node.operatorToken.kind === 97 /* InKeyword */ ? writeKeyword : writeOperator);
- emitTrailingCommentsOfPosition(node.operatorToken.end, /*prefixSpace*/ true); // Binary operators should have a space before the comment starts
- writeLinesAndIndent(linesAfterOperator, /*writeSpaceIfNotIndenting*/ true);
- maybePipelineEmitExpression(node.right);
- break;
- }
- case 2 /* FinishEmit */: {
- var linesBeforeOperator = getLinesBetweenNodes(node, node.left, node.operatorToken);
- var linesAfterOperator = getLinesBetweenNodes(node, node.operatorToken, node.right);
- decreaseIndentIf(linesBeforeOperator, linesAfterOperator);
- stackIndex--;
- break;
- }
- default: return ts.Debug.fail("Invalid state " + stateStack[stackIndex] + " for emitBinaryExpressionWorker");
- }
- }
- function maybePipelineEmitExpression(next) {
- // Advance the state of this unit of work,
- stateStack[stackIndex]++;
- // Then actually do the work of emitting the node `next` returned by the prior state
- // The following section should be identical to `pipelineEmit` save it assumes EmitHint.Expression and offloads
- // binary expression handling, where possible, to the contained work queue
- // #region trampolinePipelineEmit
- var savedLastNode = lastNode;
- var savedLastSubstitution = lastSubstitution;
- lastNode = next;
- lastSubstitution = undefined;
- var pipelinePhase = getPipelinePhase(0 /* Notification */, 1 /* Expression */, next);
- if (pipelinePhase === pipelineEmitWithHint && ts.isBinaryExpression(next)) {
- // If the target pipeline phase is emit directly, and the next node's also a binary expression,
- // skip all the intermediate indirection and push the expression directly onto the work stack
- stackIndex++;
- stateStack[stackIndex] = 0 /* EmitLeft */;
- nodeStack[stackIndex] = next;
- }
- else {
- pipelinePhase(1 /* Expression */, next);
- }
- ts.Debug.assert(lastNode === next);
- lastNode = savedLastNode;
- lastSubstitution = savedLastSubstitution;
- // #endregion trampolinePipelineEmit
- }
- }
- function emitConditionalExpression(node) {
- var linesBeforeQuestion = getLinesBetweenNodes(node, node.condition, node.questionToken);
- var linesAfterQuestion = getLinesBetweenNodes(node, node.questionToken, node.whenTrue);
- var linesBeforeColon = getLinesBetweenNodes(node, node.whenTrue, node.colonToken);
- var linesAfterColon = getLinesBetweenNodes(node, node.colonToken, node.whenFalse);
- emitExpression(node.condition);
- writeLinesAndIndent(linesBeforeQuestion, /*writeSpaceIfNotIndenting*/ true);
- emit(node.questionToken);
- writeLinesAndIndent(linesAfterQuestion, /*writeSpaceIfNotIndenting*/ true);
- emitExpression(node.whenTrue);
- decreaseIndentIf(linesBeforeQuestion, linesAfterQuestion);
- writeLinesAndIndent(linesBeforeColon, /*writeSpaceIfNotIndenting*/ true);
- emit(node.colonToken);
- writeLinesAndIndent(linesAfterColon, /*writeSpaceIfNotIndenting*/ true);
- emitExpression(node.whenFalse);
- decreaseIndentIf(linesBeforeColon, linesAfterColon);
- }
- function emitTemplateExpression(node) {
- emit(node.head);
- emitList(node, node.templateSpans, 262144 /* TemplateExpressionSpans */);
- }
- function emitYieldExpression(node) {
- emitTokenWithComment(121 /* YieldKeyword */, node.pos, writeKeyword, node);
- emit(node.asteriskToken);
- emitExpressionWithLeadingSpace(node.expression);
- }
- function emitSpreadExpression(node) {
- emitTokenWithComment(25 /* DotDotDotToken */, node.pos, writePunctuation, node);
- emitExpression(node.expression);
- }
- function emitClassExpression(node) {
- generateNameIfNeeded(node.name);
- emitClassDeclarationOrExpression(node);
- }
- function emitExpressionWithTypeArguments(node) {
- emitExpression(node.expression);
- emitTypeArguments(node, node.typeArguments);
- }
- function emitAsExpression(node) {
- emitExpression(node.expression);
- if (node.type) {
- writeSpace();
- writeKeyword("as");
- writeSpace();
- emit(node.type);
- }
- }
- function emitNonNullExpression(node) {
- emitExpression(node.expression);
- writeOperator("!");
- }
- function emitMetaProperty(node) {
- writeToken(node.keywordToken, node.pos, writePunctuation);
- writePunctuation(".");
- emit(node.name);
- }
- //
- // Misc
- //
- function emitTemplateSpan(node) {
- emitExpression(node.expression);
- emit(node.literal);
- }
- //
- // Statements
- //
- function emitBlock(node) {
- emitBlockStatements(node, /*forceSingleLine*/ !node.multiLine && isEmptyBlock(node));
- }
- function emitBlockStatements(node, forceSingleLine) {
- emitTokenWithComment(18 /* OpenBraceToken */, node.pos, writePunctuation, /*contextNode*/ node);
- var format = forceSingleLine || ts.getEmitFlags(node) & 1 /* SingleLine */ ? 768 /* SingleLineBlockStatements */ : 129 /* MultiLineBlockStatements */;
- emitList(node, node.statements, format);
- emitTokenWithComment(19 /* CloseBraceToken */, node.statements.end, writePunctuation, /*contextNode*/ node, /*indentLeading*/ !!(format & 1 /* MultiLine */));
- }
- function emitVariableStatement(node) {
- emitModifiers(node, node.modifiers);
- emit(node.declarationList);
- writeTrailingSemicolon();
- }
- function emitEmptyStatement(isEmbeddedStatement) {
- // While most trailing semicolons are possibly insignificant, an embedded "empty"
- // statement is significant and cannot be elided by a trailing-semicolon-omitting writer.
- if (isEmbeddedStatement) {
- writePunctuation(";");
- }
- else {
- writeTrailingSemicolon();
- }
- }
- function emitExpressionStatement(node) {
- emitExpression(node.expression);
- // Emit semicolon in non json files
- // or if json file that created synthesized expression(eg.define expression statement when --out and amd code generation)
- if (!ts.isJsonSourceFile(currentSourceFile) || ts.nodeIsSynthesized(node.expression)) {
- writeTrailingSemicolon();
- }
- }
- function emitIfStatement(node) {
- var openParenPos = emitTokenWithComment(95 /* IfKeyword */, node.pos, writeKeyword, node);
- writeSpace();
- emitTokenWithComment(20 /* OpenParenToken */, openParenPos, writePunctuation, node);
- emitExpression(node.expression);
- emitTokenWithComment(21 /* CloseParenToken */, node.expression.end, writePunctuation, node);
- emitEmbeddedStatement(node, node.thenStatement);
- if (node.elseStatement) {
- writeLineOrSpace(node);
- emitTokenWithComment(87 /* ElseKeyword */, node.thenStatement.end, writeKeyword, node);
- if (node.elseStatement.kind === 227 /* IfStatement */) {
- writeSpace();
- emit(node.elseStatement);
- }
- else {
- emitEmbeddedStatement(node, node.elseStatement);
- }
- }
- }
- function emitWhileClause(node, startPos) {
- var openParenPos = emitTokenWithComment(111 /* WhileKeyword */, startPos, writeKeyword, node);
- writeSpace();
- emitTokenWithComment(20 /* OpenParenToken */, openParenPos, writePunctuation, node);
- emitExpression(node.expression);
- emitTokenWithComment(21 /* CloseParenToken */, node.expression.end, writePunctuation, node);
- }
- function emitDoStatement(node) {
- emitTokenWithComment(86 /* DoKeyword */, node.pos, writeKeyword, node);
- emitEmbeddedStatement(node, node.statement);
- if (ts.isBlock(node.statement)) {
- writeSpace();
- }
- else {
- writeLineOrSpace(node);
- }
- emitWhileClause(node, node.statement.end);
- writeTrailingSemicolon();
- }
- function emitWhileStatement(node) {
- emitWhileClause(node, node.pos);
- emitEmbeddedStatement(node, node.statement);
- }
- function emitForStatement(node) {
- var openParenPos = emitTokenWithComment(93 /* ForKeyword */, node.pos, writeKeyword, node);
- writeSpace();
- var pos = emitTokenWithComment(20 /* OpenParenToken */, openParenPos, writePunctuation, /*contextNode*/ node);
- emitForBinding(node.initializer);
- pos = emitTokenWithComment(26 /* SemicolonToken */, node.initializer ? node.initializer.end : pos, writePunctuation, node);
- emitExpressionWithLeadingSpace(node.condition);
- pos = emitTokenWithComment(26 /* SemicolonToken */, node.condition ? node.condition.end : pos, writePunctuation, node);
- emitExpressionWithLeadingSpace(node.incrementor);
- emitTokenWithComment(21 /* CloseParenToken */, node.incrementor ? node.incrementor.end : pos, writePunctuation, node);
- emitEmbeddedStatement(node, node.statement);
- }
- function emitForInStatement(node) {
- var openParenPos = emitTokenWithComment(93 /* ForKeyword */, node.pos, writeKeyword, node);
- writeSpace();
- emitTokenWithComment(20 /* OpenParenToken */, openParenPos, writePunctuation, node);
- emitForBinding(node.initializer);
- writeSpace();
- emitTokenWithComment(97 /* InKeyword */, node.initializer.end, writeKeyword, node);
- writeSpace();
- emitExpression(node.expression);
- emitTokenWithComment(21 /* CloseParenToken */, node.expression.end, writePunctuation, node);
- emitEmbeddedStatement(node, node.statement);
- }
- function emitForOfStatement(node) {
- var openParenPos = emitTokenWithComment(93 /* ForKeyword */, node.pos, writeKeyword, node);
- writeSpace();
- emitWithTrailingSpace(node.awaitModifier);
- emitTokenWithComment(20 /* OpenParenToken */, openParenPos, writePunctuation, node);
- emitForBinding(node.initializer);
- writeSpace();
- emitTokenWithComment(152 /* OfKeyword */, node.initializer.end, writeKeyword, node);
- writeSpace();
- emitExpression(node.expression);
- emitTokenWithComment(21 /* CloseParenToken */, node.expression.end, writePunctuation, node);
- emitEmbeddedStatement(node, node.statement);
- }
- function emitForBinding(node) {
- if (node !== undefined) {
- if (node.kind === 243 /* VariableDeclarationList */) {
- emit(node);
- }
- else {
- emitExpression(node);
- }
- }
- }
- function emitContinueStatement(node) {
- emitTokenWithComment(82 /* ContinueKeyword */, node.pos, writeKeyword, node);
- emitWithLeadingSpace(node.label);
- writeTrailingSemicolon();
- }
- function emitBreakStatement(node) {
- emitTokenWithComment(77 /* BreakKeyword */, node.pos, writeKeyword, node);
- emitWithLeadingSpace(node.label);
- writeTrailingSemicolon();
- }
- function emitTokenWithComment(token, pos, writer, contextNode, indentLeading) {
- var node = ts.getParseTreeNode(contextNode);
- var isSimilarNode = node && node.kind === contextNode.kind;
- var startPos = pos;
- if (isSimilarNode && currentSourceFile) {
- pos = ts.skipTrivia(currentSourceFile.text, pos);
- }
- if (emitLeadingCommentsOfPosition && isSimilarNode && contextNode.pos !== startPos) {
- var needsIndent = indentLeading && currentSourceFile && !ts.positionsAreOnSameLine(startPos, pos, currentSourceFile);
- if (needsIndent) {
- increaseIndent();
- }
- emitLeadingCommentsOfPosition(startPos);
- if (needsIndent) {
- decreaseIndent();
- }
- }
- pos = writeTokenText(token, writer, pos);
- if (emitTrailingCommentsOfPosition && isSimilarNode && contextNode.end !== pos) {
- emitTrailingCommentsOfPosition(pos, /*prefixSpace*/ true);
- }
- return pos;
- }
- function emitReturnStatement(node) {
- emitTokenWithComment(101 /* ReturnKeyword */, node.pos, writeKeyword, /*contextNode*/ node);
- emitExpressionWithLeadingSpace(node.expression);
- writeTrailingSemicolon();
- }
- function emitWithStatement(node) {
- var openParenPos = emitTokenWithComment(112 /* WithKeyword */, node.pos, writeKeyword, node);
- writeSpace();
- emitTokenWithComment(20 /* OpenParenToken */, openParenPos, writePunctuation, node);
- emitExpression(node.expression);
- emitTokenWithComment(21 /* CloseParenToken */, node.expression.end, writePunctuation, node);
- emitEmbeddedStatement(node, node.statement);
- }
- function emitSwitchStatement(node) {
- var openParenPos = emitTokenWithComment(103 /* SwitchKeyword */, node.pos, writeKeyword, node);
- writeSpace();
- emitTokenWithComment(20 /* OpenParenToken */, openParenPos, writePunctuation, node);
- emitExpression(node.expression);
- emitTokenWithComment(21 /* CloseParenToken */, node.expression.end, writePunctuation, node);
- writeSpace();
- emit(node.caseBlock);
- }
- function emitLabeledStatement(node) {
- emit(node.label);
- emitTokenWithComment(58 /* ColonToken */, node.label.end, writePunctuation, node);
- writeSpace();
- emit(node.statement);
- }
- function emitThrowStatement(node) {
- emitTokenWithComment(105 /* ThrowKeyword */, node.pos, writeKeyword, node);
- emitExpressionWithLeadingSpace(node.expression);
- writeTrailingSemicolon();
- }
- function emitTryStatement(node) {
- emitTokenWithComment(107 /* TryKeyword */, node.pos, writeKeyword, node);
- writeSpace();
- emit(node.tryBlock);
- if (node.catchClause) {
- writeLineOrSpace(node);
- emit(node.catchClause);
- }
- if (node.finallyBlock) {
- writeLineOrSpace(node);
- emitTokenWithComment(92 /* FinallyKeyword */, (node.catchClause || node.tryBlock).end, writeKeyword, node);
- writeSpace();
- emit(node.finallyBlock);
- }
- }
- function emitDebuggerStatement(node) {
- writeToken(83 /* DebuggerKeyword */, node.pos, writeKeyword);
- writeTrailingSemicolon();
- }
- //
- // Declarations
- //
- function emitVariableDeclaration(node) {
- emit(node.name);
- emit(node.exclamationToken);
- emitTypeAnnotation(node.type);
- emitInitializer(node.initializer, node.type ? node.type.end : node.name.end, node);
- }
- function emitVariableDeclarationList(node) {
- writeKeyword(ts.isLet(node) ? "let" : ts.isVarConst(node) ? "const" : "var");
- writeSpace();
- emitList(node, node.declarations, 528 /* VariableDeclarationList */);
- }
- function emitFunctionDeclaration(node) {
- emitFunctionDeclarationOrExpression(node);
- }
- function emitFunctionDeclarationOrExpression(node) {
- emitDecorators(node, node.decorators);
- emitModifiers(node, node.modifiers);
- writeKeyword("function");
- emit(node.asteriskToken);
- writeSpace();
- emitIdentifierName(node.name);
- emitSignatureAndBody(node, emitSignatureHead);
- }
- function emitBlockCallback(_hint, body) {
- emitBlockFunctionBody(body);
- }
- function emitSignatureAndBody(node, emitSignatureHead) {
- var body = node.body;
- if (body) {
- if (ts.isBlock(body)) {
- var indentedFlag = ts.getEmitFlags(node) & 65536 /* Indented */;
- if (indentedFlag) {
- increaseIndent();
- }
- pushNameGenerationScope(node);
- ts.forEach(node.parameters, generateNames);
- generateNames(node.body);
- emitSignatureHead(node);
- if (onEmitNode) {
- onEmitNode(4 /* Unspecified */, body, emitBlockCallback);
- }
- else {
- emitBlockFunctionBody(body);
- }
- popNameGenerationScope(node);
- if (indentedFlag) {
- decreaseIndent();
- }
- }
- else {
- emitSignatureHead(node);
- writeSpace();
- emitExpression(body);
- }
- }
- else {
- emitSignatureHead(node);
- writeTrailingSemicolon();
- }
- }
- function emitSignatureHead(node) {
- emitTypeParameters(node, node.typeParameters);
- emitParameters(node, node.parameters);
- emitTypeAnnotation(node.type);
- }
- function shouldEmitBlockFunctionBodyOnSingleLine(body) {
- // We must emit a function body as a single-line body in the following case:
- // * The body has NodeEmitFlags.SingleLine specified.
- // We must emit a function body as a multi-line body in the following cases:
- // * The body is explicitly marked as multi-line.
- // * A non-synthesized body's start and end position are on different lines.
- // * Any statement in the body starts on a new line.
- if (ts.getEmitFlags(body) & 1 /* SingleLine */) {
- return true;
- }
- if (body.multiLine) {
- return false;
- }
- if (!ts.nodeIsSynthesized(body) && !ts.rangeIsOnSingleLine(body, currentSourceFile)) {
- return false;
- }
- if (getLeadingLineTerminatorCount(body, body.statements, 2 /* PreserveLines */)
- || getClosingLineTerminatorCount(body, body.statements, 2 /* PreserveLines */)) {
- return false;
- }
- var previousStatement;
- for (var _a = 0, _b = body.statements; _a < _b.length; _a++) {
- var statement = _b[_a];
- if (getSeparatingLineTerminatorCount(previousStatement, statement, 2 /* PreserveLines */) > 0) {
- return false;
- }
- previousStatement = statement;
- }
- return true;
- }
- function emitBlockFunctionBody(body) {
- writeSpace();
- writePunctuation("{");
- increaseIndent();
- var emitBlockFunctionBody = shouldEmitBlockFunctionBodyOnSingleLine(body)
- ? emitBlockFunctionBodyOnSingleLine
- : emitBlockFunctionBodyWorker;
- if (emitBodyWithDetachedComments) {
- emitBodyWithDetachedComments(body, body.statements, emitBlockFunctionBody);
- }
- else {
- emitBlockFunctionBody(body);
- }
- decreaseIndent();
- writeToken(19 /* CloseBraceToken */, body.statements.end, writePunctuation, body);
- }
- function emitBlockFunctionBodyOnSingleLine(body) {
- emitBlockFunctionBodyWorker(body, /*emitBlockFunctionBodyOnSingleLine*/ true);
- }
- function emitBlockFunctionBodyWorker(body, emitBlockFunctionBodyOnSingleLine) {
- // Emit all the prologue directives (like "use strict").
- var statementOffset = emitPrologueDirectives(body.statements);
- var pos = writer.getTextPos();
- emitHelpers(body);
- if (statementOffset === 0 && pos === writer.getTextPos() && emitBlockFunctionBodyOnSingleLine) {
- decreaseIndent();
- emitList(body, body.statements, 768 /* SingleLineFunctionBodyStatements */);
- increaseIndent();
- }
- else {
- emitList(body, body.statements, 1 /* MultiLineFunctionBodyStatements */, statementOffset);
- }
- }
- function emitClassDeclaration(node) {
- emitClassDeclarationOrExpression(node);
- }
- function emitClassDeclarationOrExpression(node) {
- ts.forEach(node.members, generateMemberNames);
- emitDecorators(node, node.decorators);
- emitModifiers(node, node.modifiers);
- writeKeyword("class");
- if (node.name) {
- writeSpace();
- emitIdentifierName(node.name);
- }
- var indentedFlag = ts.getEmitFlags(node) & 65536 /* Indented */;
- if (indentedFlag) {
- increaseIndent();
- }
- emitTypeParameters(node, node.typeParameters);
- emitList(node, node.heritageClauses, 0 /* ClassHeritageClauses */);
- writeSpace();
- writePunctuation("{");
- emitList(node, node.members, 129 /* ClassMembers */);
- writePunctuation("}");
- if (indentedFlag) {
- decreaseIndent();
- }
- }
- function emitInterfaceDeclaration(node) {
- emitDecorators(node, node.decorators);
- emitModifiers(node, node.modifiers);
- writeKeyword("interface");
- writeSpace();
- emit(node.name);
- emitTypeParameters(node, node.typeParameters);
- emitList(node, node.heritageClauses, 512 /* HeritageClauses */);
- writeSpace();
- writePunctuation("{");
- emitList(node, node.members, 129 /* InterfaceMembers */);
- writePunctuation("}");
- }
- function emitTypeAliasDeclaration(node) {
- emitDecorators(node, node.decorators);
- emitModifiers(node, node.modifiers);
- writeKeyword("type");
- writeSpace();
- emit(node.name);
- emitTypeParameters(node, node.typeParameters);
- writeSpace();
- writePunctuation("=");
- writeSpace();
- emit(node.type);
- writeTrailingSemicolon();
- }
- function emitEnumDeclaration(node) {
- emitModifiers(node, node.modifiers);
- writeKeyword("enum");
- writeSpace();
- emit(node.name);
- writeSpace();
- writePunctuation("{");
- emitList(node, node.members, 145 /* EnumMembers */);
- writePunctuation("}");
- }
- function emitModuleDeclaration(node) {
- emitModifiers(node, node.modifiers);
- if (~node.flags & 1024 /* GlobalAugmentation */) {
- writeKeyword(node.flags & 16 /* Namespace */ ? "namespace" : "module");
- writeSpace();
- }
- emit(node.name);
- var body = node.body;
- if (!body)
- return writeTrailingSemicolon();
- while (body.kind === 249 /* ModuleDeclaration */) {
- writePunctuation(".");
- emit(body.name);
- body = body.body;
- }
- writeSpace();
- emit(body);
- }
- function emitModuleBlock(node) {
- pushNameGenerationScope(node);
- ts.forEach(node.statements, generateNames);
- emitBlockStatements(node, /*forceSingleLine*/ isEmptyBlock(node));
- popNameGenerationScope(node);
- }
- function emitCaseBlock(node) {
- emitTokenWithComment(18 /* OpenBraceToken */, node.pos, writePunctuation, node);
- emitList(node, node.clauses, 129 /* CaseBlockClauses */);
- emitTokenWithComment(19 /* CloseBraceToken */, node.clauses.end, writePunctuation, node, /*indentLeading*/ true);
- }
- function emitImportEqualsDeclaration(node) {
- emitModifiers(node, node.modifiers);
- emitTokenWithComment(96 /* ImportKeyword */, node.modifiers ? node.modifiers.end : node.pos, writeKeyword, node);
- writeSpace();
- emit(node.name);
- writeSpace();
- emitTokenWithComment(62 /* EqualsToken */, node.name.end, writePunctuation, node);
- writeSpace();
- emitModuleReference(node.moduleReference);
- writeTrailingSemicolon();
- }
- function emitModuleReference(node) {
- if (node.kind === 75 /* Identifier */) {
- emitExpression(node);
- }
- else {
- emit(node);
- }
- }
- function emitImportDeclaration(node) {
- emitModifiers(node, node.modifiers);
- emitTokenWithComment(96 /* ImportKeyword */, node.modifiers ? node.modifiers.end : node.pos, writeKeyword, node);
- writeSpace();
- if (node.importClause) {
- emit(node.importClause);
- writeSpace();
- emitTokenWithComment(149 /* FromKeyword */, node.importClause.end, writeKeyword, node);
- writeSpace();
- }
- emitExpression(node.moduleSpecifier);
- writeTrailingSemicolon();
- }
- function emitImportClause(node) {
- if (node.isTypeOnly) {
- emitTokenWithComment(145 /* TypeKeyword */, node.pos, writeKeyword, node);
- writeSpace();
- }
- emit(node.name);
- if (node.name && node.namedBindings) {
- emitTokenWithComment(27 /* CommaToken */, node.name.end, writePunctuation, node);
- writeSpace();
- }
- emit(node.namedBindings);
- }
- function emitNamespaceImport(node) {
- var asPos = emitTokenWithComment(41 /* AsteriskToken */, node.pos, writePunctuation, node);
- writeSpace();
- emitTokenWithComment(123 /* AsKeyword */, asPos, writeKeyword, node);
- writeSpace();
- emit(node.name);
- }
- function emitNamedImports(node) {
- emitNamedImportsOrExports(node);
- }
- function emitImportSpecifier(node) {
- emitImportOrExportSpecifier(node);
- }
- function emitExportAssignment(node) {
- var nextPos = emitTokenWithComment(89 /* ExportKeyword */, node.pos, writeKeyword, node);
- writeSpace();
- if (node.isExportEquals) {
- emitTokenWithComment(62 /* EqualsToken */, nextPos, writeOperator, node);
- }
- else {
- emitTokenWithComment(84 /* DefaultKeyword */, nextPos, writeKeyword, node);
- }
- writeSpace();
- emitExpression(node.expression);
- writeTrailingSemicolon();
- }
- function emitExportDeclaration(node) {
- var nextPos = emitTokenWithComment(89 /* ExportKeyword */, node.pos, writeKeyword, node);
- writeSpace();
- if (node.isTypeOnly) {
- nextPos = emitTokenWithComment(145 /* TypeKeyword */, nextPos, writeKeyword, node);
- writeSpace();
- }
- if (node.exportClause) {
- emit(node.exportClause);
- }
- else {
- nextPos = emitTokenWithComment(41 /* AsteriskToken */, nextPos, writePunctuation, node);
- }
- if (node.moduleSpecifier) {
- writeSpace();
- var fromPos = node.exportClause ? node.exportClause.end : nextPos;
- emitTokenWithComment(149 /* FromKeyword */, fromPos, writeKeyword, node);
- writeSpace();
- emitExpression(node.moduleSpecifier);
- }
- writeTrailingSemicolon();
- }
- function emitNamespaceExportDeclaration(node) {
- var nextPos = emitTokenWithComment(89 /* ExportKeyword */, node.pos, writeKeyword, node);
- writeSpace();
- nextPos = emitTokenWithComment(123 /* AsKeyword */, nextPos, writeKeyword, node);
- writeSpace();
- nextPos = emitTokenWithComment(136 /* NamespaceKeyword */, nextPos, writeKeyword, node);
- writeSpace();
- emit(node.name);
- writeTrailingSemicolon();
- }
- function emitNamespaceExport(node) {
- var asPos = emitTokenWithComment(41 /* AsteriskToken */, node.pos, writePunctuation, node);
- writeSpace();
- emitTokenWithComment(123 /* AsKeyword */, asPos, writeKeyword, node);
- writeSpace();
- emit(node.name);
- }
- function emitNamedExports(node) {
- emitNamedImportsOrExports(node);
- }
- function emitExportSpecifier(node) {
- emitImportOrExportSpecifier(node);
- }
- function emitNamedImportsOrExports(node) {
- writePunctuation("{");
- emitList(node, node.elements, 525136 /* NamedImportsOrExportsElements */);
- writePunctuation("}");
- }
- function emitImportOrExportSpecifier(node) {
- if (node.propertyName) {
- emit(node.propertyName);
- writeSpace();
- emitTokenWithComment(123 /* AsKeyword */, node.propertyName.end, writeKeyword, node);
- writeSpace();
- }
- emit(node.name);
- }
- //
- // Module references
- //
- function emitExternalModuleReference(node) {
- writeKeyword("require");
- writePunctuation("(");
- emitExpression(node.expression);
- writePunctuation(")");
- }
- //
- // JSX
- //
- function emitJsxElement(node) {
- emit(node.openingElement);
- emitList(node, node.children, 262144 /* JsxElementOrFragmentChildren */);
- emit(node.closingElement);
- }
- function emitJsxSelfClosingElement(node) {
- writePunctuation("<");
- emitJsxTagName(node.tagName);
- emitTypeArguments(node, node.typeArguments);
- writeSpace();
- emit(node.attributes);
- writePunctuation("/>");
- }
- function emitJsxFragment(node) {
- emit(node.openingFragment);
- emitList(node, node.children, 262144 /* JsxElementOrFragmentChildren */);
- emit(node.closingFragment);
- }
- function emitJsxOpeningElementOrFragment(node) {
- writePunctuation("<");
- if (ts.isJsxOpeningElement(node)) {
- var indented = writeLineSeparatorsAndIndentBefore(node.tagName, node);
- emitJsxTagName(node.tagName);
- emitTypeArguments(node, node.typeArguments);
- if (node.attributes.properties && node.attributes.properties.length > 0) {
- writeSpace();
- }
- emit(node.attributes);
- writeLineSeparatorsAfter(node.attributes, node);
- decreaseIndentIf(indented);
- }
- writePunctuation(">");
- }
- function emitJsxText(node) {
- writer.writeLiteral(node.text);
- }
- function emitJsxClosingElementOrFragment(node) {
- writePunctuation("</");
- if (ts.isJsxClosingElement(node)) {
- emitJsxTagName(node.tagName);
- }
- writePunctuation(">");
- }
- function emitJsxAttributes(node) {
- emitList(node, node.properties, 262656 /* JsxElementAttributes */);
- }
- function emitJsxAttribute(node) {
- emit(node.name);
- emitNodeWithPrefix("=", writePunctuation, node.initializer, emitJsxAttributeValue);
- }
- function emitJsxSpreadAttribute(node) {
- writePunctuation("{...");
- emitExpression(node.expression);
- writePunctuation("}");
- }
- function emitJsxExpression(node) {
- if (node.expression) {
- writePunctuation("{");
- emit(node.dotDotDotToken);
- emitExpression(node.expression);
- writePunctuation("}");
- }
- }
- function emitJsxTagName(node) {
- if (node.kind === 75 /* Identifier */) {
- emitExpression(node);
- }
- else {
- emit(node);
- }
- }
- //
- // Clauses
- //
- function emitCaseClause(node) {
- emitTokenWithComment(78 /* CaseKeyword */, node.pos, writeKeyword, node);
- writeSpace();
- emitExpression(node.expression);
- emitCaseOrDefaultClauseRest(node, node.statements, node.expression.end);
- }
- function emitDefaultClause(node) {
- var pos = emitTokenWithComment(84 /* DefaultKeyword */, node.pos, writeKeyword, node);
- emitCaseOrDefaultClauseRest(node, node.statements, pos);
- }
- function emitCaseOrDefaultClauseRest(parentNode, statements, colonPos) {
- var emitAsSingleStatement = statements.length === 1 &&
- (
- // treat synthesized nodes as located on the same line for emit purposes
- ts.nodeIsSynthesized(parentNode) ||
- ts.nodeIsSynthesized(statements[0]) ||
- ts.rangeStartPositionsAreOnSameLine(parentNode, statements[0], currentSourceFile));
- var format = 163969 /* CaseOrDefaultClauseStatements */;
- if (emitAsSingleStatement) {
- writeToken(58 /* ColonToken */, colonPos, writePunctuation, parentNode);
- writeSpace();
- format &= ~(1 /* MultiLine */ | 128 /* Indented */);
- }
- else {
- emitTokenWithComment(58 /* ColonToken */, colonPos, writePunctuation, parentNode);
- }
- emitList(parentNode, statements, format);
- }
- function emitHeritageClause(node) {
- writeSpace();
- writeTokenText(node.token, writeKeyword);
- writeSpace();
- emitList(node, node.types, 528 /* HeritageClauseTypes */);
- }
- function emitCatchClause(node) {
- var openParenPos = emitTokenWithComment(79 /* CatchKeyword */, node.pos, writeKeyword, node);
- writeSpace();
- if (node.variableDeclaration) {
- emitTokenWithComment(20 /* OpenParenToken */, openParenPos, writePunctuation, node);
- emit(node.variableDeclaration);
- emitTokenWithComment(21 /* CloseParenToken */, node.variableDeclaration.end, writePunctuation, node);
- writeSpace();
- }
- emit(node.block);
- }
- //
- // Property assignments
- //
- function emitPropertyAssignment(node) {
- emit(node.name);
- writePunctuation(":");
- writeSpace();
- // This is to ensure that we emit comment in the following case:
- // For example:
- // obj = {
- // id: /*comment1*/ ()=>void
- // }
- // "comment1" is not considered to be leading comment for node.initializer
- // but rather a trailing comment on the previous node.
- var initializer = node.initializer;
- if (emitTrailingCommentsOfPosition && (ts.getEmitFlags(initializer) & 512 /* NoLeadingComments */) === 0) {
- var commentRange = ts.getCommentRange(initializer);
- emitTrailingCommentsOfPosition(commentRange.pos);
- }
- emitExpression(initializer);
- }
- function emitShorthandPropertyAssignment(node) {
- emit(node.name);
- if (node.objectAssignmentInitializer) {
- writeSpace();
- writePunctuation("=");
- writeSpace();
- emitExpression(node.objectAssignmentInitializer);
- }
- }
- function emitSpreadAssignment(node) {
- if (node.expression) {
- emitTokenWithComment(25 /* DotDotDotToken */, node.pos, writePunctuation, node);
- emitExpression(node.expression);
- }
- }
- //
- // Enum
- //
- function emitEnumMember(node) {
- emit(node.name);
- emitInitializer(node.initializer, node.name.end, node);
- }
- //
- // JSDoc
- //
- function emitJSDoc(node) {
- write("/**");
- if (node.comment) {
- var lines = node.comment.split(/\r\n?|\n/g);
- for (var _a = 0, lines_2 = lines; _a < lines_2.length; _a++) {
- var line = lines_2[_a];
- writeLine();
- writeSpace();
- writePunctuation("*");
- writeSpace();
- write(line);
- }
- }
- if (node.tags) {
- if (node.tags.length === 1 && node.tags[0].kind === 320 /* JSDocTypeTag */ && !node.comment) {
- writeSpace();
- emit(node.tags[0]);
- }
- else {
- emitList(node, node.tags, 33 /* JSDocComment */);
- }
- }
- writeSpace();
- write("*/");
- }
- function emitJSDocSimpleTypedTag(tag) {
- emitJSDocTagName(tag.tagName);
- emitJSDocTypeExpression(tag.typeExpression);
- emitJSDocComment(tag.comment);
- }
- function emitJSDocHeritageTag(tag) {
- emitJSDocTagName(tag.tagName);
- writeSpace();
- writePunctuation("{");
- emit(tag.class);
- writePunctuation("}");
- emitJSDocComment(tag.comment);
- }
- function emitJSDocTemplateTag(tag) {
- emitJSDocTagName(tag.tagName);
- emitJSDocTypeExpression(tag.constraint);
- writeSpace();
- emitList(tag, tag.typeParameters, 528 /* CommaListElements */);
- emitJSDocComment(tag.comment);
- }
- function emitJSDocTypedefTag(tag) {
- emitJSDocTagName(tag.tagName);
- if (tag.typeExpression) {
- if (tag.typeExpression.kind === 294 /* JSDocTypeExpression */) {
- emitJSDocTypeExpression(tag.typeExpression);
- }
- else {
- writeSpace();
- writePunctuation("{");
- write("Object");
- if (tag.typeExpression.isArrayType) {
- writePunctuation("[");
- writePunctuation("]");
- }
- writePunctuation("}");
- }
- }
- if (tag.fullName) {
- writeSpace();
- emit(tag.fullName);
- }
- emitJSDocComment(tag.comment);
- if (tag.typeExpression && tag.typeExpression.kind === 304 /* JSDocTypeLiteral */) {
- emitJSDocTypeLiteral(tag.typeExpression);
- }
- }
- function emitJSDocCallbackTag(tag) {
- emitJSDocTagName(tag.tagName);
- if (tag.name) {
- writeSpace();
- emit(tag.name);
- }
- emitJSDocComment(tag.comment);
- emitJSDocSignature(tag.typeExpression);
- }
- function emitJSDocSimpleTag(tag) {
- emitJSDocTagName(tag.tagName);
- emitJSDocComment(tag.comment);
- }
- function emitJSDocTypeLiteral(lit) {
- emitList(lit, ts.createNodeArray(lit.jsDocPropertyTags), 33 /* JSDocComment */);
- }
- function emitJSDocSignature(sig) {
- if (sig.typeParameters) {
- emitList(sig, ts.createNodeArray(sig.typeParameters), 33 /* JSDocComment */);
- }
- if (sig.parameters) {
- emitList(sig, ts.createNodeArray(sig.parameters), 33 /* JSDocComment */);
- }
- if (sig.type) {
- writeLine();
- writeSpace();
- writePunctuation("*");
- writeSpace();
- emit(sig.type);
- }
- }
- function emitJSDocPropertyLikeTag(param) {
- emitJSDocTagName(param.tagName);
- emitJSDocTypeExpression(param.typeExpression);
- writeSpace();
- if (param.isBracketed) {
- writePunctuation("[");
- }
- emit(param.name);
- if (param.isBracketed) {
- writePunctuation("]");
- }
- emitJSDocComment(param.comment);
- }
- function emitJSDocTagName(tagName) {
- writePunctuation("@");
- emit(tagName);
- }
- function emitJSDocComment(comment) {
- if (comment) {
- writeSpace();
- write(comment);
- }
- }
- function emitJSDocTypeExpression(typeExpression) {
- if (typeExpression) {
- writeSpace();
- writePunctuation("{");
- emit(typeExpression.type);
- writePunctuation("}");
- }
- }
- //
- // Top-level nodes
- //
- function emitSourceFile(node) {
- writeLine();
- var statements = node.statements;
- if (emitBodyWithDetachedComments) {
- // Emit detached comment if there are no prologue directives or if the first node is synthesized.
- // The synthesized node will have no leading comment so some comments may be missed.
- var shouldEmitDetachedComment = statements.length === 0 ||
- !ts.isPrologueDirective(statements[0]) ||
- ts.nodeIsSynthesized(statements[0]);
- if (shouldEmitDetachedComment) {
- emitBodyWithDetachedComments(node, statements, emitSourceFileWorker);
- return;
- }
- }
- emitSourceFileWorker(node);
- }
- function emitSyntheticTripleSlashReferencesIfNeeded(node) {
- emitTripleSlashDirectives(!!node.hasNoDefaultLib, node.syntheticFileReferences || [], node.syntheticTypeReferences || [], node.syntheticLibReferences || []);
- for (var _a = 0, _b = node.prepends; _a < _b.length; _a++) {
- var prepend = _b[_a];
- if (ts.isUnparsedSource(prepend) && prepend.syntheticReferences) {
- for (var _c = 0, _d = prepend.syntheticReferences; _c < _d.length; _c++) {
- var ref = _d[_c];
- emit(ref);
- writeLine();
- }
- }
- }
- }
- function emitTripleSlashDirectivesIfNeeded(node) {
- if (node.isDeclarationFile)
- emitTripleSlashDirectives(node.hasNoDefaultLib, node.referencedFiles, node.typeReferenceDirectives, node.libReferenceDirectives);
- }
- function emitTripleSlashDirectives(hasNoDefaultLib, files, types, libs) {
- if (hasNoDefaultLib) {
- var pos = writer.getTextPos();
- writeComment("/// <reference no-default-lib=\"true\"/>");
- if (bundleFileInfo)
- bundleFileInfo.sections.push({ pos: pos, end: writer.getTextPos(), kind: "no-default-lib" /* NoDefaultLib */ });
- writeLine();
- }
- if (currentSourceFile && currentSourceFile.moduleName) {
- writeComment("/// <amd-module name=\"" + currentSourceFile.moduleName + "\" />");
- writeLine();
- }
- if (currentSourceFile && currentSourceFile.amdDependencies) {
- for (var _a = 0, _b = currentSourceFile.amdDependencies; _a < _b.length; _a++) {
- var dep = _b[_a];
- if (dep.name) {
- writeComment("/// <amd-dependency name=\"" + dep.name + "\" path=\"" + dep.path + "\" />");
- }
- else {
- writeComment("/// <amd-dependency path=\"" + dep.path + "\" />");
- }
- writeLine();
- }
- }
- for (var _c = 0, files_1 = files; _c < files_1.length; _c++) {
- var directive = files_1[_c];
- var pos = writer.getTextPos();
- writeComment("/// <reference path=\"" + directive.fileName + "\" />");
- if (bundleFileInfo)
- bundleFileInfo.sections.push({ pos: pos, end: writer.getTextPos(), kind: "reference" /* Reference */, data: directive.fileName });
- writeLine();
- }
- for (var _d = 0, types_22 = types; _d < types_22.length; _d++) {
- var directive = types_22[_d];
- var pos = writer.getTextPos();
- writeComment("/// <reference types=\"" + directive.fileName + "\" />");
- if (bundleFileInfo)
- bundleFileInfo.sections.push({ pos: pos, end: writer.getTextPos(), kind: "type" /* Type */, data: directive.fileName });
- writeLine();
- }
- for (var _e = 0, libs_1 = libs; _e < libs_1.length; _e++) {
- var directive = libs_1[_e];
- var pos = writer.getTextPos();
- writeComment("/// <reference lib=\"" + directive.fileName + "\" />");
- if (bundleFileInfo)
- bundleFileInfo.sections.push({ pos: pos, end: writer.getTextPos(), kind: "lib" /* Lib */, data: directive.fileName });
- writeLine();
- }
- }
- function emitSourceFileWorker(node) {
- var statements = node.statements;
- pushNameGenerationScope(node);
- ts.forEach(node.statements, generateNames);
- emitHelpers(node);
- var index = ts.findIndex(statements, function (statement) { return !ts.isPrologueDirective(statement); });
- emitTripleSlashDirectivesIfNeeded(node);
- emitList(node, statements, 1 /* MultiLine */, index === -1 ? statements.length : index);
- popNameGenerationScope(node);
- }
- // Transformation nodes
- function emitPartiallyEmittedExpression(node) {
- emitExpression(node.expression);
- }
- function emitCommaList(node) {
- emitExpressionList(node, node.elements, 528 /* CommaListElements */);
- }
- /**
- * Emits any prologue directives at the start of a Statement list, returning the
- * number of prologue directives written to the output.
- */
- function emitPrologueDirectives(statements, sourceFile, seenPrologueDirectives, recordBundleFileSection) {
- var needsToSetSourceFile = !!sourceFile;
- for (var i = 0; i < statements.length; i++) {
- var statement = statements[i];
- if (ts.isPrologueDirective(statement)) {
- var shouldEmitPrologueDirective = seenPrologueDirectives ? !seenPrologueDirectives.has(statement.expression.text) : true;
- if (shouldEmitPrologueDirective) {
- if (needsToSetSourceFile) {
- needsToSetSourceFile = false;
- setSourceFile(sourceFile);
- }
- writeLine();
- var pos = writer.getTextPos();
- emit(statement);
- if (recordBundleFileSection && bundleFileInfo)
- bundleFileInfo.sections.push({ pos: pos, end: writer.getTextPos(), kind: "prologue" /* Prologue */, data: statement.expression.text });
- if (seenPrologueDirectives) {
- seenPrologueDirectives.set(statement.expression.text, true);
- }
- }
- }
- else {
- // return index of the first non prologue directive
- return i;
- }
- }
- return statements.length;
- }
- function emitUnparsedPrologues(prologues, seenPrologueDirectives) {
- for (var _a = 0, prologues_1 = prologues; _a < prologues_1.length; _a++) {
- var prologue = prologues_1[_a];
- if (!seenPrologueDirectives.has(prologue.data)) {
- writeLine();
- var pos = writer.getTextPos();
- emit(prologue);
- if (bundleFileInfo)
- bundleFileInfo.sections.push({ pos: pos, end: writer.getTextPos(), kind: "prologue" /* Prologue */, data: prologue.data });
- if (seenPrologueDirectives) {
- seenPrologueDirectives.set(prologue.data, true);
- }
- }
- }
- }
- function emitPrologueDirectivesIfNeeded(sourceFileOrBundle) {
- if (ts.isSourceFile(sourceFileOrBundle)) {
- emitPrologueDirectives(sourceFileOrBundle.statements, sourceFileOrBundle);
- }
- else {
- var seenPrologueDirectives = ts.createMap();
- for (var _a = 0, _b = sourceFileOrBundle.prepends; _a < _b.length; _a++) {
- var prepend = _b[_a];
- emitUnparsedPrologues(prepend.prologues, seenPrologueDirectives);
- }
- for (var _c = 0, _d = sourceFileOrBundle.sourceFiles; _c < _d.length; _c++) {
- var sourceFile = _d[_c];
- emitPrologueDirectives(sourceFile.statements, sourceFile, seenPrologueDirectives, /*recordBundleFileSection*/ true);
- }
- setSourceFile(undefined);
- }
- }
- function getPrologueDirectivesFromBundledSourceFiles(bundle) {
- var seenPrologueDirectives = ts.createMap();
- var prologues;
- for (var index = 0; index < bundle.sourceFiles.length; index++) {
- var sourceFile = bundle.sourceFiles[index];
- var directives = void 0;
- var end = 0;
- for (var _a = 0, _b = sourceFile.statements; _a < _b.length; _a++) {
- var statement = _b[_a];
- if (!ts.isPrologueDirective(statement))
- break;
- if (seenPrologueDirectives.has(statement.expression.text))
- continue;
- seenPrologueDirectives.set(statement.expression.text, true);
- (directives || (directives = [])).push({
- pos: statement.pos,
- end: statement.end,
- expression: {
- pos: statement.expression.pos,
- end: statement.expression.end,
- text: statement.expression.text
- }
- });
- end = end < statement.end ? statement.end : end;
- }
- if (directives)
- (prologues || (prologues = [])).push({ file: index, text: sourceFile.text.substring(0, end), directives: directives });
- }
- return prologues;
- }
- function emitShebangIfNeeded(sourceFileOrBundle) {
- if (ts.isSourceFile(sourceFileOrBundle) || ts.isUnparsedSource(sourceFileOrBundle)) {
- var shebang = ts.getShebang(sourceFileOrBundle.text);
- if (shebang) {
- writeComment(shebang);
- writeLine();
- return true;
- }
- }
- else {
- for (var _a = 0, _b = sourceFileOrBundle.prepends; _a < _b.length; _a++) {
- var prepend = _b[_a];
- ts.Debug.assertNode(prepend, ts.isUnparsedSource);
- if (emitShebangIfNeeded(prepend)) {
- return true;
- }
- }
- for (var _c = 0, _d = sourceFileOrBundle.sourceFiles; _c < _d.length; _c++) {
- var sourceFile = _d[_c];
- // Emit only the first encountered shebang
- if (emitShebangIfNeeded(sourceFile)) {
- return true;
- }
- }
- }
- }
- //
- // Helpers
- //
- function emitNodeWithWriter(node, writer) {
- if (!node)
- return;
- var savedWrite = write;
- write = writer;
- emit(node);
- write = savedWrite;
- }
- function emitModifiers(node, modifiers) {
- if (modifiers && modifiers.length) {
- emitList(node, modifiers, 262656 /* Modifiers */);
- writeSpace();
- }
- }
- function emitTypeAnnotation(node) {
- if (node) {
- writePunctuation(":");
- writeSpace();
- emit(node);
- }
- }
- function emitInitializer(node, equalCommentStartPos, container) {
- if (node) {
- writeSpace();
- emitTokenWithComment(62 /* EqualsToken */, equalCommentStartPos, writeOperator, container);
- writeSpace();
- emitExpression(node);
- }
- }
- function emitNodeWithPrefix(prefix, prefixWriter, node, emit) {
- if (node) {
- prefixWriter(prefix);
- emit(node);
- }
- }
- function emitWithLeadingSpace(node) {
- if (node) {
- writeSpace();
- emit(node);
- }
- }
- function emitExpressionWithLeadingSpace(node) {
- if (node) {
- writeSpace();
- emitExpression(node);
- }
- }
- function emitWithTrailingSpace(node) {
- if (node) {
- emit(node);
- writeSpace();
- }
- }
- function emitEmbeddedStatement(parent, node) {
- if (ts.isBlock(node) || ts.getEmitFlags(parent) & 1 /* SingleLine */) {
- writeSpace();
- emit(node);
- }
- else {
- writeLine();
- increaseIndent();
- if (ts.isEmptyStatement(node)) {
- pipelineEmit(5 /* EmbeddedStatement */, node);
- }
- else {
- emit(node);
- }
- decreaseIndent();
- }
- }
- function emitDecorators(parentNode, decorators) {
- emitList(parentNode, decorators, 2146305 /* Decorators */);
- }
- function emitTypeArguments(parentNode, typeArguments) {
- emitList(parentNode, typeArguments, 53776 /* TypeArguments */);
- }
- function emitTypeParameters(parentNode, typeParameters) {
- if (ts.isFunctionLike(parentNode) && parentNode.typeArguments) { // Quick info uses type arguments in place of type parameters on instantiated signatures
- return emitTypeArguments(parentNode, parentNode.typeArguments);
- }
- emitList(parentNode, typeParameters, 53776 /* TypeParameters */);
- }
- function emitParameters(parentNode, parameters) {
- emitList(parentNode, parameters, 2576 /* Parameters */);
- }
- function canEmitSimpleArrowHead(parentNode, parameters) {
- var parameter = ts.singleOrUndefined(parameters);
- return parameter
- && parameter.pos === parentNode.pos // may not have parsed tokens between parent and parameter
- && ts.isArrowFunction(parentNode) // only arrow functions may have simple arrow head
- && !parentNode.type // arrow function may not have return type annotation
- && !ts.some(parentNode.decorators) // parent may not have decorators
- && !ts.some(parentNode.modifiers) // parent may not have modifiers
- && !ts.some(parentNode.typeParameters) // parent may not have type parameters
- && !ts.some(parameter.decorators) // parameter may not have decorators
- && !ts.some(parameter.modifiers) // parameter may not have modifiers
- && !parameter.dotDotDotToken // parameter may not be rest
- && !parameter.questionToken // parameter may not be optional
- && !parameter.type // parameter may not have a type annotation
- && !parameter.initializer // parameter may not have an initializer
- && ts.isIdentifier(parameter.name); // parameter name must be identifier
- }
- function emitParametersForArrow(parentNode, parameters) {
- if (canEmitSimpleArrowHead(parentNode, parameters)) {
- emitList(parentNode, parameters, 2576 /* Parameters */ & ~2048 /* Parenthesis */);
- }
- else {
- emitParameters(parentNode, parameters);
- }
- }
- function emitParametersForIndexSignature(parentNode, parameters) {
- emitList(parentNode, parameters, 8848 /* IndexSignatureParameters */);
- }
- function emitList(parentNode, children, format, start, count) {
- emitNodeList(emit, parentNode, children, format, start, count);
- }
- function emitExpressionList(parentNode, children, format, start, count) {
- emitNodeList(emitExpression, parentNode, children, format, start, count); // TODO: GH#18217
- }
- function writeDelimiter(format) {
- switch (format & 60 /* DelimitersMask */) {
- case 0 /* None */:
- break;
- case 16 /* CommaDelimited */:
- writePunctuation(",");
- break;
- case 4 /* BarDelimited */:
- writeSpace();
- writePunctuation("|");
- break;
- case 32 /* AsteriskDelimited */:
- writeSpace();
- writePunctuation("*");
- writeSpace();
- break;
- case 8 /* AmpersandDelimited */:
- writeSpace();
- writePunctuation("&");
- break;
- }
- }
- function emitNodeList(emit, parentNode, children, format, start, count) {
- if (start === void 0) { start = 0; }
- if (count === void 0) { count = children ? children.length - start : 0; }
- var isUndefined = children === undefined;
- if (isUndefined && format & 16384 /* OptionalIfUndefined */) {
- return;
- }
- var isEmpty = children === undefined || start >= children.length || count === 0;
- if (isEmpty && format & 32768 /* OptionalIfEmpty */) {
- if (onBeforeEmitNodeArray) {
- onBeforeEmitNodeArray(children);
- }
- if (onAfterEmitNodeArray) {
- onAfterEmitNodeArray(children);
- }
- return;
- }
- if (format & 15360 /* BracketsMask */) {
- writePunctuation(getOpeningBracket(format));
- if (isEmpty && !isUndefined) {
- // TODO: GH#18217
- emitTrailingCommentsOfPosition(children.pos, /*prefixSpace*/ true); // Emit comments within empty bracketed lists
- }
- }
- if (onBeforeEmitNodeArray) {
- onBeforeEmitNodeArray(children);
- }
- if (isEmpty) {
- // Write a line terminator if the parent node was multi-line
- if (format & 1 /* MultiLine */ && !(preserveSourceNewlines && ts.rangeIsOnSingleLine(parentNode, currentSourceFile))) {
- writeLine();
- }
- else if (format & 256 /* SpaceBetweenBraces */ && !(format & 524288 /* NoSpaceIfEmpty */)) {
- writeSpace();
- }
- }
- else {
- // Write the opening line terminator or leading whitespace.
- var mayEmitInterveningComments = (format & 262144 /* NoInterveningComments */) === 0;
- var shouldEmitInterveningComments = mayEmitInterveningComments;
- var leadingLineTerminatorCount = getLeadingLineTerminatorCount(parentNode, children, format); // TODO: GH#18217
- if (leadingLineTerminatorCount) {
- writeLine(leadingLineTerminatorCount);
- shouldEmitInterveningComments = false;
- }
- else if (format & 256 /* SpaceBetweenBraces */) {
- writeSpace();
- }
- // Increase the indent, if requested.
- if (format & 128 /* Indented */) {
- increaseIndent();
- }
- // Emit each child.
- var previousSibling = void 0;
- var previousSourceFileTextKind = void 0;
- var shouldDecreaseIndentAfterEmit = false;
- for (var i = 0; i < count; i++) {
- var child = children[start + i];
- // Write the delimiter if this is not the first node.
- if (format & 32 /* AsteriskDelimited */) {
- // always write JSDoc in the format "\n *"
- writeLine();
- writeDelimiter(format);
- }
- else if (previousSibling) {
- // i.e
- // function commentedParameters(
- // /* Parameter a */
- // a
- // /* End of parameter a */ -> this comment isn't considered to be trailing comment of parameter "a" due to newline
- // ,
- if (format & 60 /* DelimitersMask */ && previousSibling.end !== parentNode.end) {
- emitLeadingCommentsOfPosition(previousSibling.end);
- }
- writeDelimiter(format);
- recordBundleFileInternalSectionEnd(previousSourceFileTextKind);
- // Write either a line terminator or whitespace to separate the elements.
- var separatingLineTerminatorCount = getSeparatingLineTerminatorCount(previousSibling, child, format);
- if (separatingLineTerminatorCount > 0) {
- // If a synthesized node in a single-line list starts on a new
- // line, we should increase the indent.
- if ((format & (3 /* LinesMask */ | 128 /* Indented */)) === 0 /* SingleLine */) {
- increaseIndent();
- shouldDecreaseIndentAfterEmit = true;
- }
- writeLine(separatingLineTerminatorCount);
- shouldEmitInterveningComments = false;
- }
- else if (previousSibling && format & 512 /* SpaceBetweenSiblings */) {
- writeSpace();
- }
- }
- // Emit this child.
- previousSourceFileTextKind = recordBundleFileInternalSectionStart(child);
- if (shouldEmitInterveningComments) {
- if (emitTrailingCommentsOfPosition) {
- var commentRange = ts.getCommentRange(child);
- emitTrailingCommentsOfPosition(commentRange.pos);
- }
- }
- else {
- shouldEmitInterveningComments = mayEmitInterveningComments;
- }
- emit(child);
- if (shouldDecreaseIndentAfterEmit) {
- decreaseIndent();
- shouldDecreaseIndentAfterEmit = false;
- }
- previousSibling = child;
- }
- // Write a trailing comma, if requested.
- var hasTrailingComma = (format & 64 /* AllowTrailingComma */) && children.hasTrailingComma;
- if (format & 16 /* CommaDelimited */ && hasTrailingComma) {
- writePunctuation(",");
- }
- // Emit any trailing comment of the last element in the list
- // i.e
- // var array = [...
- // 2
- // /* end of element 2 */
- // ];
- if (previousSibling && format & 60 /* DelimitersMask */ && previousSibling.end !== parentNode.end && !(ts.getEmitFlags(previousSibling) & 1024 /* NoTrailingComments */)) {
- emitLeadingCommentsOfPosition(previousSibling.end);
- }
- // Decrease the indent, if requested.
- if (format & 128 /* Indented */) {
- decreaseIndent();
- }
- recordBundleFileInternalSectionEnd(previousSourceFileTextKind);
- // Write the closing line terminator or closing whitespace.
- var closingLineTerminatorCount = getClosingLineTerminatorCount(parentNode, children, format);
- if (closingLineTerminatorCount) {
- writeLine(closingLineTerminatorCount);
- }
- else if (format & (2097152 /* SpaceAfterList */ | 256 /* SpaceBetweenBraces */)) {
- writeSpace();
- }
- }
- if (onAfterEmitNodeArray) {
- onAfterEmitNodeArray(children);
- }
- if (format & 15360 /* BracketsMask */) {
- if (isEmpty && !isUndefined) {
- // TODO: GH#18217
- emitLeadingCommentsOfPosition(children.end); // Emit leading comments within empty lists
- }
- writePunctuation(getClosingBracket(format));
- }
- }
- // Writers
- function writeLiteral(s) {
- writer.writeLiteral(s);
- }
- function writeStringLiteral(s) {
- writer.writeStringLiteral(s);
- }
- function writeBase(s) {
- writer.write(s);
- }
- function writeSymbol(s, sym) {
- writer.writeSymbol(s, sym);
- }
- function writePunctuation(s) {
- writer.writePunctuation(s);
- }
- function writeTrailingSemicolon() {
- writer.writeTrailingSemicolon(";");
- }
- function writeKeyword(s) {
- writer.writeKeyword(s);
- }
- function writeOperator(s) {
- writer.writeOperator(s);
- }
- function writeParameter(s) {
- writer.writeParameter(s);
- }
- function writeComment(s) {
- writer.writeComment(s);
- }
- function writeSpace() {
- writer.writeSpace(" ");
- }
- function writeProperty(s) {
- writer.writeProperty(s);
- }
- function writeLine(count) {
- if (count === void 0) { count = 1; }
- for (var i = 0; i < count; i++) {
- writer.writeLine(i > 0);
- }
- }
- function increaseIndent() {
- writer.increaseIndent();
- }
- function decreaseIndent() {
- writer.decreaseIndent();
- }
- function writeToken(token, pos, writer, contextNode) {
- return !sourceMapsDisabled
- ? emitTokenWithSourceMap(contextNode, token, writer, pos, writeTokenText)
- : writeTokenText(token, writer, pos);
- }
- function writeTokenNode(node, writer) {
- if (onBeforeEmitToken) {
- onBeforeEmitToken(node);
- }
- writer(ts.tokenToString(node.kind));
- if (onAfterEmitToken) {
- onAfterEmitToken(node);
- }
- }
- function writeTokenText(token, writer, pos) {
- var tokenString = ts.tokenToString(token);
- writer(tokenString);
- return pos < 0 ? pos : pos + tokenString.length;
- }
- function writeLineOrSpace(node) {
- if (ts.getEmitFlags(node) & 1 /* SingleLine */) {
- writeSpace();
- }
- else {
- writeLine();
- }
- }
- function writeLines(text) {
- var lines = text.split(/\r\n?|\n/g);
- var indentation = ts.guessIndentation(lines);
- for (var _a = 0, lines_3 = lines; _a < lines_3.length; _a++) {
- var lineText = lines_3[_a];
- var line = indentation ? lineText.slice(indentation) : lineText;
- if (line.length) {
- writeLine();
- write(line);
- }
- }
- }
- function writeLinesAndIndent(lineCount, writeSpaceIfNotIndenting) {
- if (lineCount) {
- increaseIndent();
- writeLine(lineCount);
- }
- else if (writeSpaceIfNotIndenting) {
- writeSpace();
- }
- }
- // Helper function to decrease the indent if we previously indented. Allows multiple
- // previous indent values to be considered at a time. This also allows caller to just
- // call this once, passing in all their appropriate indent values, instead of needing
- // to call this helper function multiple times.
- function decreaseIndentIf(value1, value2) {
- if (value1) {
- decreaseIndent();
- }
- if (value2) {
- decreaseIndent();
- }
- }
- function getLeadingLineTerminatorCount(parentNode, children, format) {
- if (format & 2 /* PreserveLines */ || preserveSourceNewlines) {
- if (format & 65536 /* PreferNewLine */) {
- return 1;
- }
- var firstChild_1 = children[0];
- if (firstChild_1 === undefined) {
- return ts.rangeIsOnSingleLine(parentNode, currentSourceFile) ? 0 : 1;
- }
- if (firstChild_1.kind === 11 /* JsxText */) {
- // JsxText will be written with its leading whitespace, so don't add more manually.
- return 0;
- }
- if (!ts.positionIsSynthesized(parentNode.pos) && !ts.nodeIsSynthesized(firstChild_1) && (!firstChild_1.parent || firstChild_1.parent === parentNode)) {
- if (preserveSourceNewlines) {
- return getEffectiveLines(function (includeComments) { return ts.getLinesBetweenPositionAndPrecedingNonWhitespaceCharacter(firstChild_1.pos, parentNode.pos, currentSourceFile, includeComments); });
- }
- return ts.rangeStartPositionsAreOnSameLine(parentNode, firstChild_1, currentSourceFile) ? 0 : 1;
- }
- if (synthesizedNodeStartsOnNewLine(firstChild_1, format)) {
- return 1;
- }
- }
- return format & 1 /* MultiLine */ ? 1 : 0;
- }
- function getSeparatingLineTerminatorCount(previousNode, nextNode, format) {
- if (format & 2 /* PreserveLines */ || preserveSourceNewlines) {
- if (previousNode === undefined || nextNode === undefined) {
- return 0;
- }
- if (nextNode.kind === 11 /* JsxText */) {
- // JsxText will be written with its leading whitespace, so don't add more manually.
- return 0;
- }
- else if (!ts.nodeIsSynthesized(previousNode) && !ts.nodeIsSynthesized(nextNode) && previousNode.parent === nextNode.parent) {
- if (preserveSourceNewlines) {
- return getEffectiveLines(function (includeComments) { return ts.getLinesBetweenRangeEndAndRangeStart(previousNode, nextNode, currentSourceFile, includeComments); });
- }
- return ts.rangeEndIsOnSameLineAsRangeStart(previousNode, nextNode, currentSourceFile) ? 0 : 1;
- }
- else if (synthesizedNodeStartsOnNewLine(previousNode, format) || synthesizedNodeStartsOnNewLine(nextNode, format)) {
- return 1;
- }
- }
- else if (ts.getStartsOnNewLine(nextNode)) {
- return 1;
- }
- return format & 1 /* MultiLine */ ? 1 : 0;
- }
- function getClosingLineTerminatorCount(parentNode, children, format) {
- if (format & 2 /* PreserveLines */ || preserveSourceNewlines) {
- if (format & 65536 /* PreferNewLine */) {
- return 1;
- }
- var lastChild_1 = ts.lastOrUndefined(children);
- if (lastChild_1 === undefined) {
- return ts.rangeIsOnSingleLine(parentNode, currentSourceFile) ? 0 : 1;
- }
- if (!ts.positionIsSynthesized(parentNode.pos) && !ts.nodeIsSynthesized(lastChild_1) && (!lastChild_1.parent || lastChild_1.parent === parentNode)) {
- if (preserveSourceNewlines) {
- return getEffectiveLines(function (includeComments) { return ts.getLinesBetweenPositionAndNextNonWhitespaceCharacter(lastChild_1.end, parentNode.end, currentSourceFile, includeComments); });
- }
- return ts.rangeEndPositionsAreOnSameLine(parentNode, lastChild_1, currentSourceFile) ? 0 : 1;
- }
- if (synthesizedNodeStartsOnNewLine(lastChild_1, format)) {
- return 1;
- }
- }
- if (format & 1 /* MultiLine */ && !(format & 131072 /* NoTrailingNewLine */)) {
- return 1;
- }
- return 0;
- }
- function getEffectiveLines(getLineDifference) {
- // If 'preserveSourceNewlines' is disabled, we should never call this function
- // because it could be more expensive than alternative approximations.
- ts.Debug.assert(!!preserveSourceNewlines);
- // We start by measuring the line difference from a position to its adjacent comments,
- // so that this is counted as a one-line difference, not two:
- //
- // node1;
- // // NODE2 COMMENT
- // node2;
- var lines = getLineDifference(/*includeComments*/ true);
- if (lines === 0) {
- // However, if the line difference considering comments was 0, we might have this:
- //
- // node1; // NODE2 COMMENT
- // node2;
- //
- // in which case we should be ignoring node2's comment, so this too is counted as
- // a one-line difference, not zero.
- return getLineDifference(/*includeComments*/ false);
- }
- return lines;
- }
- function writeLineSeparatorsAndIndentBefore(node, parent) {
- var leadingNewlines = preserveSourceNewlines && getLeadingLineTerminatorCount(parent, [node], 0 /* None */);
- if (leadingNewlines) {
- writeLinesAndIndent(leadingNewlines, /*writeLinesIfNotIndenting*/ false);
- }
- return !!leadingNewlines;
- }
- function writeLineSeparatorsAfter(node, parent) {
- var trailingNewlines = preserveSourceNewlines && getClosingLineTerminatorCount(parent, [node], 0 /* None */);
- if (trailingNewlines) {
- writeLine(trailingNewlines);
- }
- }
- function synthesizedNodeStartsOnNewLine(node, format) {
- if (ts.nodeIsSynthesized(node)) {
- var startsOnNewLine = ts.getStartsOnNewLine(node);
- if (startsOnNewLine === undefined) {
- return (format & 65536 /* PreferNewLine */) !== 0;
- }
- return startsOnNewLine;
- }
- return (format & 65536 /* PreferNewLine */) !== 0;
- }
- function getLinesBetweenNodes(parent, node1, node2) {
- if (ts.getEmitFlags(parent) & 131072 /* NoIndentation */) {
- return 0;
- }
- parent = skipSynthesizedParentheses(parent);
- node1 = skipSynthesizedParentheses(node1);
- node2 = skipSynthesizedParentheses(node2);
- // Always use a newline for synthesized code if the synthesizer desires it.
- if (ts.getStartsOnNewLine(node2)) {
- return 1;
- }
- if (!ts.nodeIsSynthesized(parent) && !ts.nodeIsSynthesized(node1) && !ts.nodeIsSynthesized(node2)) {
- if (preserveSourceNewlines) {
- return getEffectiveLines(function (includeComments) { return ts.getLinesBetweenRangeEndAndRangeStart(node1, node2, currentSourceFile, includeComments); });
- }
- return ts.rangeEndIsOnSameLineAsRangeStart(node1, node2, currentSourceFile) ? 0 : 1;
- }
- return 0;
- }
- function isEmptyBlock(block) {
- return block.statements.length === 0
- && ts.rangeEndIsOnSameLineAsRangeStart(block, block, currentSourceFile);
- }
- function skipSynthesizedParentheses(node) {
- while (node.kind === 200 /* ParenthesizedExpression */ && ts.nodeIsSynthesized(node)) {
- node = node.expression;
- }
- return node;
- }
- function getTextOfNode(node, includeTrivia) {
- if (ts.isGeneratedIdentifier(node)) {
- return generateName(node);
- }
- else if ((ts.isIdentifier(node) || ts.isPrivateIdentifier(node)) && (ts.nodeIsSynthesized(node) || !node.parent || !currentSourceFile || (node.parent && currentSourceFile && ts.getSourceFileOfNode(node) !== ts.getOriginalNode(currentSourceFile)))) {
- return ts.idText(node);
- }
- else if (node.kind === 10 /* StringLiteral */ && node.textSourceNode) {
- return getTextOfNode(node.textSourceNode, includeTrivia);
- }
- else if (ts.isLiteralExpression(node) && (ts.nodeIsSynthesized(node) || !node.parent)) {
- return node.text;
- }
- return ts.getSourceTextOfNodeFromSourceFile(currentSourceFile, node, includeTrivia);
- }
- function getLiteralTextOfNode(node, neverAsciiEscape, jsxAttributeEscape) {
- if (node.kind === 10 /* StringLiteral */ && node.textSourceNode) {
- var textSourceNode = node.textSourceNode;
- if (ts.isIdentifier(textSourceNode)) {
- return jsxAttributeEscape ? "\"" + ts.escapeJsxAttributeString(getTextOfNode(textSourceNode)) + "\"" :
- neverAsciiEscape || (ts.getEmitFlags(node) & 16777216 /* NoAsciiEscaping */) ? "\"" + ts.escapeString(getTextOfNode(textSourceNode)) + "\"" :
- "\"" + ts.escapeNonAsciiString(getTextOfNode(textSourceNode)) + "\"";
- }
- else {
- return getLiteralTextOfNode(textSourceNode, neverAsciiEscape, jsxAttributeEscape);
- }
- }
- return ts.getLiteralText(node, currentSourceFile, neverAsciiEscape, jsxAttributeEscape);
- }
- /**
- * Push a new name generation scope.
- */
- function pushNameGenerationScope(node) {
- if (node && ts.getEmitFlags(node) & 524288 /* ReuseTempVariableScope */) {
- return;
- }
- tempFlagsStack.push(tempFlags);
- tempFlags = 0;
- reservedNamesStack.push(reservedNames);
- }
- /**
- * Pop the current name generation scope.
- */
- function popNameGenerationScope(node) {
- if (node && ts.getEmitFlags(node) & 524288 /* ReuseTempVariableScope */) {
- return;
- }
- tempFlags = tempFlagsStack.pop();
- reservedNames = reservedNamesStack.pop();
- }
- function reserveNameInNestedScopes(name) {
- if (!reservedNames || reservedNames === ts.lastOrUndefined(reservedNamesStack)) {
- reservedNames = ts.createMap();
- }
- reservedNames.set(name, true);
- }
- function generateNames(node) {
- if (!node)
- return;
- switch (node.kind) {
- case 223 /* Block */:
- ts.forEach(node.statements, generateNames);
- break;
- case 238 /* LabeledStatement */:
- case 236 /* WithStatement */:
- case 228 /* DoStatement */:
- case 229 /* WhileStatement */:
- generateNames(node.statement);
- break;
- case 227 /* IfStatement */:
- generateNames(node.thenStatement);
- generateNames(node.elseStatement);
- break;
- case 230 /* ForStatement */:
- case 232 /* ForOfStatement */:
- case 231 /* ForInStatement */:
- generateNames(node.initializer);
- generateNames(node.statement);
- break;
- case 237 /* SwitchStatement */:
- generateNames(node.caseBlock);
- break;
- case 251 /* CaseBlock */:
- ts.forEach(node.clauses, generateNames);
- break;
- case 277 /* CaseClause */:
- case 278 /* DefaultClause */:
- ts.forEach(node.statements, generateNames);
- break;
- case 240 /* TryStatement */:
- generateNames(node.tryBlock);
- generateNames(node.catchClause);
- generateNames(node.finallyBlock);
- break;
- case 280 /* CatchClause */:
- generateNames(node.variableDeclaration);
- generateNames(node.block);
- break;
- case 225 /* VariableStatement */:
- generateNames(node.declarationList);
- break;
- case 243 /* VariableDeclarationList */:
- ts.forEach(node.declarations, generateNames);
- break;
- case 242 /* VariableDeclaration */:
- case 156 /* Parameter */:
- case 191 /* BindingElement */:
- case 245 /* ClassDeclaration */:
- generateNameIfNeeded(node.name);
- break;
- case 244 /* FunctionDeclaration */:
- generateNameIfNeeded(node.name);
- if (ts.getEmitFlags(node) & 524288 /* ReuseTempVariableScope */) {
- ts.forEach(node.parameters, generateNames);
- generateNames(node.body);
- }
- break;
- case 189 /* ObjectBindingPattern */:
- case 190 /* ArrayBindingPattern */:
- ts.forEach(node.elements, generateNames);
- break;
- case 254 /* ImportDeclaration */:
- generateNames(node.importClause);
- break;
- case 255 /* ImportClause */:
- generateNameIfNeeded(node.name);
- generateNames(node.namedBindings);
- break;
- case 256 /* NamespaceImport */:
- generateNameIfNeeded(node.name);
- break;
- case 262 /* NamespaceExport */:
- generateNameIfNeeded(node.name);
- break;
- case 257 /* NamedImports */:
- ts.forEach(node.elements, generateNames);
- break;
- case 258 /* ImportSpecifier */:
- generateNameIfNeeded(node.propertyName || node.name);
- break;
- }
- }
- function generateMemberNames(node) {
- if (!node)
- return;
- switch (node.kind) {
- case 281 /* PropertyAssignment */:
- case 282 /* ShorthandPropertyAssignment */:
- case 159 /* PropertyDeclaration */:
- case 161 /* MethodDeclaration */:
- case 163 /* GetAccessor */:
- case 164 /* SetAccessor */:
- generateNameIfNeeded(node.name);
- break;
- }
- }
- function generateNameIfNeeded(name) {
- if (name) {
- if (ts.isGeneratedIdentifier(name)) {
- generateName(name);
- }
- else if (ts.isBindingPattern(name)) {
- generateNames(name);
- }
- }
- }
- /**
- * Generate the text for a generated identifier.
- */
- function generateName(name) {
- if ((name.autoGenerateFlags & 7 /* KindMask */) === 4 /* Node */) {
- // Node names generate unique names based on their original node
- // and are cached based on that node's id.
- return generateNameCached(getNodeForGeneratedName(name), name.autoGenerateFlags);
- }
- else {
- // Auto, Loop, and Unique names are cached based on their unique
- // autoGenerateId.
- var autoGenerateId = name.autoGenerateId;
- return autoGeneratedIdToGeneratedName[autoGenerateId] || (autoGeneratedIdToGeneratedName[autoGenerateId] = makeName(name));
- }
- }
- function generateNameCached(node, flags) {
- var nodeId = ts.getNodeId(node);
- return nodeIdToGeneratedName[nodeId] || (nodeIdToGeneratedName[nodeId] = generateNameForNode(node, flags));
- }
- /**
- * Returns a value indicating whether a name is unique globally, within the current file,
- * or within the NameGenerator.
- */
- function isUniqueName(name) {
- return isFileLevelUniqueName(name)
- && !generatedNames.has(name)
- && !(reservedNames && reservedNames.has(name));
- }
- /**
- * Returns a value indicating whether a name is unique globally or within the current file.
- */
- function isFileLevelUniqueName(name) {
- return currentSourceFile ? ts.isFileLevelUniqueName(currentSourceFile, name, hasGlobalName) : true;
- }
- /**
- * Returns a value indicating whether a name is unique within a container.
- */
- function isUniqueLocalName(name, container) {
- for (var node = container; ts.isNodeDescendantOf(node, container); node = node.nextContainer) {
- if (node.locals) {
- var local = node.locals.get(ts.escapeLeadingUnderscores(name));
- // We conservatively include alias symbols to cover cases where they're emitted as locals
- if (local && local.flags & (111551 /* Value */ | 1048576 /* ExportValue */ | 2097152 /* Alias */)) {
- return false;
- }
- }
- }
- return true;
- }
- /**
- * Return the next available name in the pattern _a ... _z, _0, _1, ...
- * TempFlags._i or TempFlags._n may be used to express a preference for that dedicated name.
- * Note that names generated by makeTempVariableName and makeUniqueName will never conflict.
- */
- function makeTempVariableName(flags, reservedInNestedScopes) {
- if (flags && !(tempFlags & flags)) {
- var name = flags === 268435456 /* _i */ ? "_i" : "_n";
- if (isUniqueName(name)) {
- tempFlags |= flags;
- if (reservedInNestedScopes) {
- reserveNameInNestedScopes(name);
- }
- return name;
- }
- }
- while (true) {
- var count = tempFlags & 268435455 /* CountMask */;
- tempFlags++;
- // Skip over 'i' and 'n'
- if (count !== 8 && count !== 13) {
- var name = count < 26
- ? "_" + String.fromCharCode(97 /* a */ + count)
- : "_" + (count - 26);
- if (isUniqueName(name)) {
- if (reservedInNestedScopes) {
- reserveNameInNestedScopes(name);
- }
- return name;
- }
- }
- }
- }
- /**
- * Generate a name that is unique within the current file and doesn't conflict with any names
- * in global scope. The name is formed by adding an '_n' suffix to the specified base name,
- * where n is a positive integer. Note that names generated by makeTempVariableName and
- * makeUniqueName are guaranteed to never conflict.
- * If `optimistic` is set, the first instance will use 'baseName' verbatim instead of 'baseName_1'
- */
- function makeUniqueName(baseName, checkFn, optimistic, scoped) {
- if (checkFn === void 0) { checkFn = isUniqueName; }
- if (optimistic) {
- if (checkFn(baseName)) {
- if (scoped) {
- reserveNameInNestedScopes(baseName);
- }
- else {
- generatedNames.set(baseName, true);
- }
- return baseName;
- }
- }
- // Find the first unique 'name_n', where n is a positive number
- if (baseName.charCodeAt(baseName.length - 1) !== 95 /* _ */) {
- baseName += "_";
- }
- var i = 1;
- while (true) {
- var generatedName = baseName + i;
- if (checkFn(generatedName)) {
- if (scoped) {
- reserveNameInNestedScopes(generatedName);
- }
- else {
- generatedNames.set(generatedName, true);
- }
- return generatedName;
- }
- i++;
- }
- }
- function makeFileLevelOptimisticUniqueName(name) {
- return makeUniqueName(name, isFileLevelUniqueName, /*optimistic*/ true);
- }
- /**
- * Generates a unique name for a ModuleDeclaration or EnumDeclaration.
- */
- function generateNameForModuleOrEnum(node) {
- var name = getTextOfNode(node.name);
- // Use module/enum name itself if it is unique, otherwise make a unique variation
- return isUniqueLocalName(name, node) ? name : makeUniqueName(name);
- }
- /**
- * Generates a unique name for an ImportDeclaration or ExportDeclaration.
- */
- function generateNameForImportOrExportDeclaration(node) {
- var expr = ts.getExternalModuleName(node); // TODO: GH#18217
- var baseName = ts.isStringLiteral(expr) ?
- ts.makeIdentifierFromModuleName(expr.text) : "module";
- return makeUniqueName(baseName);
- }
- /**
- * Generates a unique name for a default export.
- */
- function generateNameForExportDefault() {
- return makeUniqueName("default");
- }
- /**
- * Generates a unique name for a class expression.
- */
- function generateNameForClassExpression() {
- return makeUniqueName("class");
- }
- function generateNameForMethodOrAccessor(node) {
- if (ts.isIdentifier(node.name)) {
- return generateNameCached(node.name);
- }
- return makeTempVariableName(0 /* Auto */);
- }
- /**
- * Generates a unique name from a node.
- */
- function generateNameForNode(node, flags) {
- switch (node.kind) {
- case 75 /* Identifier */:
- return makeUniqueName(getTextOfNode(node), isUniqueName, !!(flags & 16 /* Optimistic */), !!(flags & 8 /* ReservedInNestedScopes */));
- case 249 /* ModuleDeclaration */:
- case 248 /* EnumDeclaration */:
- return generateNameForModuleOrEnum(node);
- case 254 /* ImportDeclaration */:
- case 260 /* ExportDeclaration */:
- return generateNameForImportOrExportDeclaration(node);
- case 244 /* FunctionDeclaration */:
- case 245 /* ClassDeclaration */:
- case 259 /* ExportAssignment */:
- return generateNameForExportDefault();
- case 214 /* ClassExpression */:
- return generateNameForClassExpression();
- case 161 /* MethodDeclaration */:
- case 163 /* GetAccessor */:
- case 164 /* SetAccessor */:
- return generateNameForMethodOrAccessor(node);
- case 154 /* ComputedPropertyName */:
- return makeTempVariableName(0 /* Auto */, /*reserveInNestedScopes*/ true);
- default:
- return makeTempVariableName(0 /* Auto */);
- }
- }
- /**
- * Generates a unique identifier for a node.
- */
- function makeName(name) {
- switch (name.autoGenerateFlags & 7 /* KindMask */) {
- case 1 /* Auto */:
- return makeTempVariableName(0 /* Auto */, !!(name.autoGenerateFlags & 8 /* ReservedInNestedScopes */));
- case 2 /* Loop */:
- return makeTempVariableName(268435456 /* _i */, !!(name.autoGenerateFlags & 8 /* ReservedInNestedScopes */));
- case 3 /* Unique */:
- return makeUniqueName(ts.idText(name), (name.autoGenerateFlags & 32 /* FileLevel */) ? isFileLevelUniqueName : isUniqueName, !!(name.autoGenerateFlags & 16 /* Optimistic */), !!(name.autoGenerateFlags & 8 /* ReservedInNestedScopes */));
- }
- return ts.Debug.fail("Unsupported GeneratedIdentifierKind.");
- }
- /**
- * Gets the node from which a name should be generated.
- */
- function getNodeForGeneratedName(name) {
- var autoGenerateId = name.autoGenerateId;
- var node = name;
- var original = node.original;
- while (original) {
- node = original;
- // if "node" is a different generated name (having a different
- // "autoGenerateId"), use it and stop traversing.
- if (ts.isIdentifier(node)
- && !!(node.autoGenerateFlags & 4 /* Node */)
- && node.autoGenerateId !== autoGenerateId) {
- break;
- }
- original = node.original;
- }
- // otherwise, return the original node for the source;
- return node;
- }
- // Comments
- function pipelineEmitWithComments(hint, node) {
- ts.Debug.assert(lastNode === node || lastSubstitution === node);
- enterComment();
- hasWrittenComment = false;
- var emitFlags = ts.getEmitFlags(node);
- var _a = ts.getCommentRange(node), pos = _a.pos, end = _a.end;
- var isEmittedNode = node.kind !== 325 /* NotEmittedStatement */;
- // We have to explicitly check that the node is JsxText because if the compilerOptions.jsx is "preserve" we will not do any transformation.
- // It is expensive to walk entire tree just to set one kind of node to have no comments.
- var skipLeadingComments = pos < 0 || (emitFlags & 512 /* NoLeadingComments */) !== 0 || node.kind === 11 /* JsxText */;
- var skipTrailingComments = end < 0 || (emitFlags & 1024 /* NoTrailingComments */) !== 0 || node.kind === 11 /* JsxText */;
- // Save current container state on the stack.
- var savedContainerPos = containerPos;
- var savedContainerEnd = containerEnd;
- var savedDeclarationListContainerEnd = declarationListContainerEnd;
- if ((pos > 0 || end > 0) && pos !== end) {
- // Emit leading comments if the position is not synthesized and the node
- // has not opted out from emitting leading comments.
- if (!skipLeadingComments) {
- emitLeadingComments(pos, isEmittedNode);
- }
- if (!skipLeadingComments || (pos >= 0 && (emitFlags & 512 /* NoLeadingComments */) !== 0)) {
- // Advance the container position if comments get emitted or if they've been disabled explicitly using NoLeadingComments.
- containerPos = pos;
- }
- if (!skipTrailingComments || (end >= 0 && (emitFlags & 1024 /* NoTrailingComments */) !== 0)) {
- // As above.
- containerEnd = end;
- // To avoid invalid comment emit in a down-level binding pattern, we
- // keep track of the last declaration list container's end
- if (node.kind === 243 /* VariableDeclarationList */) {
- declarationListContainerEnd = end;
- }
- }
- }
- ts.forEach(ts.getSyntheticLeadingComments(node), emitLeadingSynthesizedComment);
- exitComment();
- var pipelinePhase = getNextPipelinePhase(2 /* Comments */, hint, node);
- if (emitFlags & 2048 /* NoNestedComments */) {
- commentsDisabled = true;
- pipelinePhase(hint, node);
- commentsDisabled = false;
- }
- else {
- pipelinePhase(hint, node);
- }
- enterComment();
- ts.forEach(ts.getSyntheticTrailingComments(node), emitTrailingSynthesizedComment);
- if ((pos > 0 || end > 0) && pos !== end) {
- // Restore previous container state.
- containerPos = savedContainerPos;
- containerEnd = savedContainerEnd;
- declarationListContainerEnd = savedDeclarationListContainerEnd;
- // Emit trailing comments if the position is not synthesized and the node
- // has not opted out from emitting leading comments and is an emitted node.
- if (!skipTrailingComments && isEmittedNode) {
- emitTrailingComments(end);
- }
- }
- exitComment();
- ts.Debug.assert(lastNode === node || lastSubstitution === node);
- }
- function emitLeadingSynthesizedComment(comment) {
- if (comment.kind === 2 /* SingleLineCommentTrivia */) {
- writer.writeLine();
- }
- writeSynthesizedComment(comment);
- if (comment.hasTrailingNewLine || comment.kind === 2 /* SingleLineCommentTrivia */) {
- writer.writeLine();
- }
- else {
- writer.writeSpace(" ");
- }
- }
- function emitTrailingSynthesizedComment(comment) {
- if (!writer.isAtStartOfLine()) {
- writer.writeSpace(" ");
- }
- writeSynthesizedComment(comment);
- if (comment.hasTrailingNewLine) {
- writer.writeLine();
- }
- }
- function writeSynthesizedComment(comment) {
- var text = formatSynthesizedComment(comment);
- var lineMap = comment.kind === 3 /* MultiLineCommentTrivia */ ? ts.computeLineStarts(text) : undefined;
- ts.writeCommentRange(text, lineMap, writer, 0, text.length, newLine);
- }
- function formatSynthesizedComment(comment) {
- return comment.kind === 3 /* MultiLineCommentTrivia */
- ? "/*" + comment.text + "*/"
- : "//" + comment.text;
- }
- function emitBodyWithDetachedComments(node, detachedRange, emitCallback) {
- enterComment();
- var pos = detachedRange.pos, end = detachedRange.end;
- var emitFlags = ts.getEmitFlags(node);
- var skipLeadingComments = pos < 0 || (emitFlags & 512 /* NoLeadingComments */) !== 0;
- var skipTrailingComments = commentsDisabled || end < 0 || (emitFlags & 1024 /* NoTrailingComments */) !== 0;
- if (!skipLeadingComments) {
- emitDetachedCommentsAndUpdateCommentsInfo(detachedRange);
- }
- exitComment();
- if (emitFlags & 2048 /* NoNestedComments */ && !commentsDisabled) {
- commentsDisabled = true;
- emitCallback(node);
- commentsDisabled = false;
- }
- else {
- emitCallback(node);
- }
- enterComment();
- if (!skipTrailingComments) {
- emitLeadingComments(detachedRange.end, /*isEmittedNode*/ true);
- if (hasWrittenComment && !writer.isAtStartOfLine()) {
- writer.writeLine();
- }
- }
- exitComment();
- }
- function emitLeadingComments(pos, isEmittedNode) {
- hasWrittenComment = false;
- if (isEmittedNode) {
- forEachLeadingCommentToEmit(pos, emitLeadingComment);
- }
- else if (pos === 0) {
- // If the node will not be emitted in JS, remove all the comments(normal, pinned and ///) associated with the node,
- // unless it is a triple slash comment at the top of the file.
- // For Example:
- // /// <reference-path ...>
- // declare var x;
- // /// <reference-path ...>
- // interface F {}
- // The first /// will NOT be removed while the second one will be removed even though both node will not be emitted
- forEachLeadingCommentToEmit(pos, emitTripleSlashLeadingComment);
- }
- }
- function emitTripleSlashLeadingComment(commentPos, commentEnd, kind, hasTrailingNewLine, rangePos) {
- if (isTripleSlashComment(commentPos, commentEnd)) {
- emitLeadingComment(commentPos, commentEnd, kind, hasTrailingNewLine, rangePos);
- }
- }
- function shouldWriteComment(text, pos) {
- if (printerOptions.onlyPrintJsDocStyle) {
- return (ts.isJSDocLikeText(text, pos) || ts.isPinnedComment(text, pos));
- }
- return true;
- }
- function emitLeadingComment(commentPos, commentEnd, kind, hasTrailingNewLine, rangePos) {
- if (!shouldWriteComment(currentSourceFile.text, commentPos))
- return;
- if (!hasWrittenComment) {
- ts.emitNewLineBeforeLeadingCommentOfPosition(getCurrentLineMap(), writer, rangePos, commentPos);
- hasWrittenComment = true;
- }
- // Leading comments are emitted at /*leading comment1 */space/*leading comment*/space
- emitPos(commentPos);
- ts.writeCommentRange(currentSourceFile.text, getCurrentLineMap(), writer, commentPos, commentEnd, newLine);
- emitPos(commentEnd);
- if (hasTrailingNewLine) {
- writer.writeLine();
- }
- else if (kind === 3 /* MultiLineCommentTrivia */) {
- writer.writeSpace(" ");
- }
- }
- function emitLeadingCommentsOfPosition(pos) {
- if (commentsDisabled || pos === -1) {
- return;
- }
- emitLeadingComments(pos, /*isEmittedNode*/ true);
- }
- function emitTrailingComments(pos) {
- forEachTrailingCommentToEmit(pos, emitTrailingComment);
- }
- function emitTrailingComment(commentPos, commentEnd, _kind, hasTrailingNewLine) {
- if (!shouldWriteComment(currentSourceFile.text, commentPos))
- return;
- // trailing comments are emitted at space/*trailing comment1 */space/*trailing comment2*/
- if (!writer.isAtStartOfLine()) {
- writer.writeSpace(" ");
- }
- emitPos(commentPos);
- ts.writeCommentRange(currentSourceFile.text, getCurrentLineMap(), writer, commentPos, commentEnd, newLine);
- emitPos(commentEnd);
- if (hasTrailingNewLine) {
- writer.writeLine();
- }
- }
- function emitTrailingCommentsOfPosition(pos, prefixSpace) {
- if (commentsDisabled) {
- return;
- }
- enterComment();
- forEachTrailingCommentToEmit(pos, prefixSpace ? emitTrailingComment : emitTrailingCommentOfPosition);
- exitComment();
- }
- function emitTrailingCommentOfPosition(commentPos, commentEnd, _kind, hasTrailingNewLine) {
- // trailing comments of a position are emitted at /*trailing comment1 */space/*trailing comment*/space
- emitPos(commentPos);
- ts.writeCommentRange(currentSourceFile.text, getCurrentLineMap(), writer, commentPos, commentEnd, newLine);
- emitPos(commentEnd);
- if (hasTrailingNewLine) {
- writer.writeLine();
- }
- else {
- writer.writeSpace(" ");
- }
- }
- function forEachLeadingCommentToEmit(pos, cb) {
- // Emit the leading comments only if the container's pos doesn't match because the container should take care of emitting these comments
- if (currentSourceFile && (containerPos === -1 || pos !== containerPos)) {
- if (hasDetachedComments(pos)) {
- forEachLeadingCommentWithoutDetachedComments(cb);
- }
- else {
- ts.forEachLeadingCommentRange(currentSourceFile.text, pos, cb, /*state*/ pos);
- }
- }
- }
- function forEachTrailingCommentToEmit(end, cb) {
- // Emit the trailing comments only if the container's end doesn't match because the container should take care of emitting these comments
- if (currentSourceFile && (containerEnd === -1 || (end !== containerEnd && end !== declarationListContainerEnd))) {
- ts.forEachTrailingCommentRange(currentSourceFile.text, end, cb);
- }
- }
- function hasDetachedComments(pos) {
- return detachedCommentsInfo !== undefined && ts.last(detachedCommentsInfo).nodePos === pos;
- }
- function forEachLeadingCommentWithoutDetachedComments(cb) {
- // get the leading comments from detachedPos
- var pos = ts.last(detachedCommentsInfo).detachedCommentEndPos;
- if (detachedCommentsInfo.length - 1) {
- detachedCommentsInfo.pop();
- }
- else {
- detachedCommentsInfo = undefined;
- }
- ts.forEachLeadingCommentRange(currentSourceFile.text, pos, cb, /*state*/ pos);
- }
- function emitDetachedCommentsAndUpdateCommentsInfo(range) {
- var currentDetachedCommentInfo = ts.emitDetachedComments(currentSourceFile.text, getCurrentLineMap(), writer, emitComment, range, newLine, commentsDisabled);
- if (currentDetachedCommentInfo) {
- if (detachedCommentsInfo) {
- detachedCommentsInfo.push(currentDetachedCommentInfo);
- }
- else {
- detachedCommentsInfo = [currentDetachedCommentInfo];
- }
- }
- }
- function emitComment(text, lineMap, writer, commentPos, commentEnd, newLine) {
- if (!shouldWriteComment(currentSourceFile.text, commentPos))
- return;
- emitPos(commentPos);
- ts.writeCommentRange(text, lineMap, writer, commentPos, commentEnd, newLine);
- emitPos(commentEnd);
- }
- /**
- * Determine if the given comment is a triple-slash
- *
- * @return true if the comment is a triple-slash comment else false
- */
- function isTripleSlashComment(commentPos, commentEnd) {
- return ts.isRecognizedTripleSlashComment(currentSourceFile.text, commentPos, commentEnd);
- }
- // Source Maps
- function getParsedSourceMap(node) {
- if (node.parsedSourceMap === undefined && node.sourceMapText !== undefined) {
- node.parsedSourceMap = ts.tryParseRawSourceMap(node.sourceMapText) || false;
- }
- return node.parsedSourceMap || undefined;
- }
- function pipelineEmitWithSourceMap(hint, node) {
- ts.Debug.assert(lastNode === node || lastSubstitution === node);
- var pipelinePhase = getNextPipelinePhase(3 /* SourceMaps */, hint, node);
- if (ts.isUnparsedSource(node) || ts.isUnparsedPrepend(node)) {
- pipelinePhase(hint, node);
- }
- else if (ts.isUnparsedNode(node)) {
- var parsed = getParsedSourceMap(node.parent);
- if (parsed && sourceMapGenerator) {
- sourceMapGenerator.appendSourceMap(writer.getLine(), writer.getColumn(), parsed, node.parent.sourceMapPath, node.parent.getLineAndCharacterOfPosition(node.pos), node.parent.getLineAndCharacterOfPosition(node.end));
- }
- pipelinePhase(hint, node);
- }
- else {
- var _a = ts.getSourceMapRange(node), pos = _a.pos, end = _a.end, _b = _a.source, source = _b === void 0 ? sourceMapSource : _b;
- var emitFlags = ts.getEmitFlags(node);
- if (node.kind !== 325 /* NotEmittedStatement */
- && (emitFlags & 16 /* NoLeadingSourceMap */) === 0
- && pos >= 0) {
- emitSourcePos(source, skipSourceTrivia(source, pos));
- }
- if (emitFlags & 64 /* NoNestedSourceMaps */) {
- sourceMapsDisabled = true;
- pipelinePhase(hint, node);
- sourceMapsDisabled = false;
- }
- else {
- pipelinePhase(hint, node);
- }
- if (node.kind !== 325 /* NotEmittedStatement */
- && (emitFlags & 32 /* NoTrailingSourceMap */) === 0
- && end >= 0) {
- emitSourcePos(source, end);
- }
- }
- ts.Debug.assert(lastNode === node || lastSubstitution === node);
- }
- /**
- * Skips trivia such as comments and white-space that can be optionally overridden by the source-map source
- */
- function skipSourceTrivia(source, pos) {
- return source.skipTrivia ? source.skipTrivia(pos) : ts.skipTrivia(source.text, pos);
- }
- /**
- * Emits a mapping.
- *
- * If the position is synthetic (undefined or a negative value), no mapping will be
- * created.
- *
- * @param pos The position.
- */
- function emitPos(pos) {
- if (sourceMapsDisabled || ts.positionIsSynthesized(pos) || isJsonSourceMapSource(sourceMapSource)) {
- return;
- }
- var _a = ts.getLineAndCharacterOfPosition(sourceMapSource, pos), sourceLine = _a.line, sourceCharacter = _a.character;
- sourceMapGenerator.addMapping(writer.getLine(), writer.getColumn(), sourceMapSourceIndex, sourceLine, sourceCharacter,
- /*nameIndex*/ undefined);
- }
- function emitSourcePos(source, pos) {
- if (source !== sourceMapSource) {
- var savedSourceMapSource = sourceMapSource;
- setSourceMapSource(source);
- emitPos(pos);
- setSourceMapSource(savedSourceMapSource);
- }
- else {
- emitPos(pos);
- }
- }
- /**
- * Emits a token of a node with possible leading and trailing source maps.
- *
- * @param node The node containing the token.
- * @param token The token to emit.
- * @param tokenStartPos The start pos of the token.
- * @param emitCallback The callback used to emit the token.
- */
- function emitTokenWithSourceMap(node, token, writer, tokenPos, emitCallback) {
- if (sourceMapsDisabled || node && ts.isInJsonFile(node)) {
- return emitCallback(token, writer, tokenPos);
- }
- var emitNode = node && node.emitNode;
- var emitFlags = emitNode && emitNode.flags || 0 /* None */;
- var range = emitNode && emitNode.tokenSourceMapRanges && emitNode.tokenSourceMapRanges[token];
- var source = range && range.source || sourceMapSource;
- tokenPos = skipSourceTrivia(source, range ? range.pos : tokenPos);
- if ((emitFlags & 128 /* NoTokenLeadingSourceMaps */) === 0 && tokenPos >= 0) {
- emitSourcePos(source, tokenPos);
- }
- tokenPos = emitCallback(token, writer, tokenPos);
- if (range)
- tokenPos = range.end;
- if ((emitFlags & 256 /* NoTokenTrailingSourceMaps */) === 0 && tokenPos >= 0) {
- emitSourcePos(source, tokenPos);
- }
- return tokenPos;
- }
- function setSourceMapSource(source) {
- if (sourceMapsDisabled) {
- return;
- }
- sourceMapSource = source;
- if (isJsonSourceMapSource(source)) {
- return;
- }
- sourceMapSourceIndex = sourceMapGenerator.addSource(source.fileName);
- if (printerOptions.inlineSources) {
- sourceMapGenerator.setSourceContent(sourceMapSourceIndex, source.text);
- }
- }
- function isJsonSourceMapSource(sourceFile) {
- return ts.fileExtensionIs(sourceFile.fileName, ".json" /* Json */);
- }
- }
- ts.createPrinter = createPrinter;
- function createBracketsMap() {
- var brackets = [];
- brackets[1024 /* Braces */] = ["{", "}"];
- brackets[2048 /* Parenthesis */] = ["(", ")"];
- brackets[4096 /* AngleBrackets */] = ["<", ">"];
- brackets[8192 /* SquareBrackets */] = ["[", "]"];
- return brackets;
- }
- function getOpeningBracket(format) {
- return brackets[format & 15360 /* BracketsMask */][0];
- }
- function getClosingBracket(format) {
- return brackets[format & 15360 /* BracketsMask */][1];
- }
- // Flags enum to track count of temp variables and a few dedicated names
- var TempFlags;
- (function (TempFlags) {
- TempFlags[TempFlags["Auto"] = 0] = "Auto";
- TempFlags[TempFlags["CountMask"] = 268435455] = "CountMask";
- TempFlags[TempFlags["_i"] = 268435456] = "_i";
- })(TempFlags || (TempFlags = {}));
-})(ts || (ts = {}));
-/* @internal */
-var ts;
-(function (ts) {
- function createCachedDirectoryStructureHost(host, currentDirectory, useCaseSensitiveFileNames) {
- if (!host.getDirectories || !host.readDirectory) {
- return undefined;
- }
- var cachedReadDirectoryResult = ts.createMap();
- var getCanonicalFileName = ts.createGetCanonicalFileName(useCaseSensitiveFileNames);
- return {
- useCaseSensitiveFileNames: useCaseSensitiveFileNames,
- fileExists: fileExists,
- readFile: function (path, encoding) { return host.readFile(path, encoding); },
- directoryExists: host.directoryExists && directoryExists,
- getDirectories: getDirectories,
- readDirectory: readDirectory,
- createDirectory: host.createDirectory && createDirectory,
- writeFile: host.writeFile && writeFile,
- addOrDeleteFileOrDirectory: addOrDeleteFileOrDirectory,
- addOrDeleteFile: addOrDeleteFile,
- clearCache: clearCache,
- realpath: host.realpath && realpath
- };
- function toPath(fileName) {
- return ts.toPath(fileName, currentDirectory, getCanonicalFileName);
- }
- function getCachedFileSystemEntries(rootDirPath) {
- return cachedReadDirectoryResult.get(ts.ensureTrailingDirectorySeparator(rootDirPath));
- }
- function getCachedFileSystemEntriesForBaseDir(path) {
- return getCachedFileSystemEntries(ts.getDirectoryPath(path));
- }
- function getBaseNameOfFileName(fileName) {
- return ts.getBaseFileName(ts.normalizePath(fileName));
- }
- function createCachedFileSystemEntries(rootDir, rootDirPath) {
- var resultFromHost = {
- files: ts.map(host.readDirectory(rootDir, /*extensions*/ undefined, /*exclude*/ undefined, /*include*/ ["*.*"]), getBaseNameOfFileName) || [],
- directories: host.getDirectories(rootDir) || []
- };
- cachedReadDirectoryResult.set(ts.ensureTrailingDirectorySeparator(rootDirPath), resultFromHost);
- return resultFromHost;
- }
- /**
- * If the readDirectory result was already cached, it returns that
- * Otherwise gets result from host and caches it.
- * The host request is done under try catch block to avoid caching incorrect result
- */
- function tryReadDirectory(rootDir, rootDirPath) {
- rootDirPath = ts.ensureTrailingDirectorySeparator(rootDirPath);
- var cachedResult = getCachedFileSystemEntries(rootDirPath);
- if (cachedResult) {
- return cachedResult;
- }
- try {
- return createCachedFileSystemEntries(rootDir, rootDirPath);
- }
- catch (_e) {
- // If there is exception to read directories, dont cache the result and direct the calls to host
- ts.Debug.assert(!cachedReadDirectoryResult.has(ts.ensureTrailingDirectorySeparator(rootDirPath)));
- return undefined;
- }
- }
- function fileNameEqual(name1, name2) {
- return getCanonicalFileName(name1) === getCanonicalFileName(name2);
- }
- function hasEntry(entries, name) {
- return ts.some(entries, function (file) { return fileNameEqual(file, name); });
- }
- function updateFileSystemEntry(entries, baseName, isValid) {
- if (hasEntry(entries, baseName)) {
- if (!isValid) {
- return ts.filterMutate(entries, function (entry) { return !fileNameEqual(entry, baseName); });
- }
- }
- else if (isValid) {
- return entries.push(baseName);
- }
- }
- function writeFile(fileName, data, writeByteOrderMark) {
- var path = toPath(fileName);
- var result = getCachedFileSystemEntriesForBaseDir(path);
- if (result) {
- updateFilesOfFileSystemEntry(result, getBaseNameOfFileName(fileName), /*fileExists*/ true);
- }
- return host.writeFile(fileName, data, writeByteOrderMark);
- }
- function fileExists(fileName) {
- var path = toPath(fileName);
- var result = getCachedFileSystemEntriesForBaseDir(path);
- return result && hasEntry(result.files, getBaseNameOfFileName(fileName)) ||
- host.fileExists(fileName);
- }
- function directoryExists(dirPath) {
- var path = toPath(dirPath);
- return cachedReadDirectoryResult.has(ts.ensureTrailingDirectorySeparator(path)) || host.directoryExists(dirPath);
- }
- function createDirectory(dirPath) {
- var path = toPath(dirPath);
- var result = getCachedFileSystemEntriesForBaseDir(path);
- var baseFileName = getBaseNameOfFileName(dirPath);
- if (result) {
- updateFileSystemEntry(result.directories, baseFileName, /*isValid*/ true);
- }
- host.createDirectory(dirPath);
- }
- function getDirectories(rootDir) {
- var rootDirPath = toPath(rootDir);
- var result = tryReadDirectory(rootDir, rootDirPath);
- if (result) {
- return result.directories.slice();
- }
- return host.getDirectories(rootDir);
- }
- function readDirectory(rootDir, extensions, excludes, includes, depth) {
- var rootDirPath = toPath(rootDir);
- var result = tryReadDirectory(rootDir, rootDirPath);
- if (result) {
- return ts.matchFiles(rootDir, extensions, excludes, includes, useCaseSensitiveFileNames, currentDirectory, depth, getFileSystemEntries, realpath);
- }
- return host.readDirectory(rootDir, extensions, excludes, includes, depth);
- function getFileSystemEntries(dir) {
- var path = toPath(dir);
- if (path === rootDirPath) {
- return result;
- }
- return tryReadDirectory(dir, path) || ts.emptyFileSystemEntries;
- }
- }
- function realpath(s) {
- return host.realpath ? host.realpath(s) : s;
- }
- function addOrDeleteFileOrDirectory(fileOrDirectory, fileOrDirectoryPath) {
- var existingResult = getCachedFileSystemEntries(fileOrDirectoryPath);
- if (existingResult) {
- // Just clear the cache for now
- // For now just clear the cache, since this could mean that multiple level entries might need to be re-evaluated
- clearCache();
- return undefined;
- }
- var parentResult = getCachedFileSystemEntriesForBaseDir(fileOrDirectoryPath);
- if (!parentResult) {
- return undefined;
- }
- // This was earlier a file (hence not in cached directory contents)
- // or we never cached the directory containing it
- if (!host.directoryExists) {
- // Since host doesnt support directory exists, clear the cache as otherwise it might not be same
- clearCache();
- return undefined;
- }
- var baseName = getBaseNameOfFileName(fileOrDirectory);
- var fsQueryResult = {
- fileExists: host.fileExists(fileOrDirectoryPath),
- directoryExists: host.directoryExists(fileOrDirectoryPath)
- };
- if (fsQueryResult.directoryExists || hasEntry(parentResult.directories, baseName)) {
- // Folder added or removed, clear the cache instead of updating the folder and its structure
- clearCache();
- }
- else {
- // No need to update the directory structure, just files
- updateFilesOfFileSystemEntry(parentResult, baseName, fsQueryResult.fileExists);
- }
- return fsQueryResult;
- }
- function addOrDeleteFile(fileName, filePath, eventKind) {
- if (eventKind === ts.FileWatcherEventKind.Changed) {
- return;
- }
- var parentResult = getCachedFileSystemEntriesForBaseDir(filePath);
- if (parentResult) {
- updateFilesOfFileSystemEntry(parentResult, getBaseNameOfFileName(fileName), eventKind === ts.FileWatcherEventKind.Created);
- }
- }
- function updateFilesOfFileSystemEntry(parentResult, baseName, fileExists) {
- updateFileSystemEntry(parentResult.files, baseName, fileExists);
- }
- function clearCache() {
- cachedReadDirectoryResult.clear();
- }
- }
- ts.createCachedDirectoryStructureHost = createCachedDirectoryStructureHost;
- var ConfigFileProgramReloadLevel;
- (function (ConfigFileProgramReloadLevel) {
- ConfigFileProgramReloadLevel[ConfigFileProgramReloadLevel["None"] = 0] = "None";
- /** Update the file name list from the disk */
- ConfigFileProgramReloadLevel[ConfigFileProgramReloadLevel["Partial"] = 1] = "Partial";
- /** Reload completely by re-reading contents of config file from disk and updating program */
- ConfigFileProgramReloadLevel[ConfigFileProgramReloadLevel["Full"] = 2] = "Full";
- })(ConfigFileProgramReloadLevel = ts.ConfigFileProgramReloadLevel || (ts.ConfigFileProgramReloadLevel = {}));
- /**
- * Updates the existing missing file watches with the new set of missing files after new program is created
- */
- function updateMissingFilePathsWatch(program, missingFileWatches, createMissingFileWatch) {
- var missingFilePaths = program.getMissingFilePaths();
- var newMissingFilePathMap = ts.arrayToSet(missingFilePaths);
- // Update the missing file paths watcher
- ts.mutateMap(missingFileWatches, newMissingFilePathMap, {
- // Watch the missing files
- createNewValue: createMissingFileWatch,
- // Files that are no longer missing (e.g. because they are no longer required)
- // should no longer be watched.
- onDeleteValue: ts.closeFileWatcher
- });
- }
- ts.updateMissingFilePathsWatch = updateMissingFilePathsWatch;
- /**
- * Updates the existing wild card directory watches with the new set of wild card directories from the config file
- * after new program is created because the config file was reloaded or program was created first time from the config file
- * Note that there is no need to call this function when the program is updated with additional files without reloading config files,
- * as wildcard directories wont change unless reloading config file
- */
- function updateWatchingWildcardDirectories(existingWatchedForWildcards, wildcardDirectories, watchDirectory) {
- ts.mutateMap(existingWatchedForWildcards, wildcardDirectories, {
- // Create new watch and recursive info
- createNewValue: createWildcardDirectoryWatcher,
- // Close existing watch thats not needed any more
- onDeleteValue: closeFileWatcherOf,
- // Close existing watch that doesnt match in the flags
- onExistingValue: updateWildcardDirectoryWatcher
- });
- function createWildcardDirectoryWatcher(directory, flags) {
- // Create new watch and recursive info
- return {
- watcher: watchDirectory(directory, flags),
- flags: flags
- };
- }
- function updateWildcardDirectoryWatcher(existingWatcher, flags, directory) {
- // Watcher needs to be updated if the recursive flags dont match
- if (existingWatcher.flags === flags) {
- return;
- }
- existingWatcher.watcher.close();
- existingWatchedForWildcards.set(directory, createWildcardDirectoryWatcher(directory, flags));
- }
- }
- ts.updateWatchingWildcardDirectories = updateWatchingWildcardDirectories;
- function isEmittedFileOfProgram(program, file) {
- if (!program) {
- return false;
- }
- return program.isEmittedFile(file);
- }
- ts.isEmittedFileOfProgram = isEmittedFileOfProgram;
- var WatchLogLevel;
- (function (WatchLogLevel) {
- WatchLogLevel[WatchLogLevel["None"] = 0] = "None";
- WatchLogLevel[WatchLogLevel["TriggerOnly"] = 1] = "TriggerOnly";
- WatchLogLevel[WatchLogLevel["Verbose"] = 2] = "Verbose";
- })(WatchLogLevel = ts.WatchLogLevel || (ts.WatchLogLevel = {}));
- function getWatchFactory(watchLogLevel, log, getDetailWatchInfo) {
- return getWatchFactoryWith(watchLogLevel, log, getDetailWatchInfo, watchFile, watchDirectory);
- }
- ts.getWatchFactory = getWatchFactory;
- function getWatchFactoryWith(watchLogLevel, log, getDetailWatchInfo, watchFile, watchDirectory) {
- var createFileWatcher = getCreateFileWatcher(watchLogLevel, watchFile);
- var createFilePathWatcher = watchLogLevel === WatchLogLevel.None ? watchFilePath : createFileWatcher;
- var createDirectoryWatcher = getCreateFileWatcher(watchLogLevel, watchDirectory);
- if (watchLogLevel === WatchLogLevel.Verbose && ts.sysLog === ts.noop) {
- ts.setSysLog(function (s) { return log(s); });
- }
- return {
- watchFile: function (host, file, callback, pollingInterval, options, detailInfo1, detailInfo2) {
- return createFileWatcher(host, file, callback, pollingInterval, options, /*passThrough*/ undefined, detailInfo1, detailInfo2, watchFile, log, "FileWatcher", getDetailWatchInfo);
- },
- watchFilePath: function (host, file, callback, pollingInterval, options, path, detailInfo1, detailInfo2) {
- return createFilePathWatcher(host, file, callback, pollingInterval, options, path, detailInfo1, detailInfo2, watchFile, log, "FileWatcher", getDetailWatchInfo);
- },
- watchDirectory: function (host, directory, callback, flags, options, detailInfo1, detailInfo2) {
- return createDirectoryWatcher(host, directory, callback, flags, options, /*passThrough*/ undefined, detailInfo1, detailInfo2, watchDirectory, log, "DirectoryWatcher", getDetailWatchInfo);
- }
- };
- }
- function watchFile(host, file, callback, pollingInterval, options) {
- return host.watchFile(file, callback, pollingInterval, options);
- }
- function watchFilePath(host, file, callback, pollingInterval, options, path) {
- return watchFile(host, file, function (fileName, eventKind) { return callback(fileName, eventKind, path); }, pollingInterval, options);
- }
- function watchDirectory(host, directory, callback, flags, options) {
- return host.watchDirectory(directory, callback, (flags & 1 /* Recursive */) !== 0, options);
- }
- function getCreateFileWatcher(watchLogLevel, addWatch) {
- switch (watchLogLevel) {
- case WatchLogLevel.None:
- return addWatch;
- case WatchLogLevel.TriggerOnly:
- return createFileWatcherWithTriggerLogging;
- case WatchLogLevel.Verbose:
- return addWatch === watchDirectory ? createDirectoryWatcherWithLogging : createFileWatcherWithLogging;
- }
- }
- function createFileWatcherWithLogging(host, file, cb, flags, options, passThrough, detailInfo1, detailInfo2, addWatch, log, watchCaption, getDetailWatchInfo) {
- log(watchCaption + ":: Added:: " + getWatchInfo(file, flags, options, detailInfo1, detailInfo2, getDetailWatchInfo));
- var watcher = createFileWatcherWithTriggerLogging(host, file, cb, flags, options, passThrough, detailInfo1, detailInfo2, addWatch, log, watchCaption, getDetailWatchInfo);
- return {
- close: function () {
- log(watchCaption + ":: Close:: " + getWatchInfo(file, flags, options, detailInfo1, detailInfo2, getDetailWatchInfo));
- watcher.close();
- }
- };
- }
- function createDirectoryWatcherWithLogging(host, file, cb, flags, options, passThrough, detailInfo1, detailInfo2, addWatch, log, watchCaption, getDetailWatchInfo) {
- var watchInfo = watchCaption + ":: Added:: " + getWatchInfo(file, flags, options, detailInfo1, detailInfo2, getDetailWatchInfo);
- log(watchInfo);
- var start = ts.timestamp();
- var watcher = createFileWatcherWithTriggerLogging(host, file, cb, flags, options, passThrough, detailInfo1, detailInfo2, addWatch, log, watchCaption, getDetailWatchInfo);
- var elapsed = ts.timestamp() - start;
- log("Elapsed:: " + elapsed + "ms " + watchInfo);
- return {
- close: function () {
- var watchInfo = watchCaption + ":: Close:: " + getWatchInfo(file, flags, options, detailInfo1, detailInfo2, getDetailWatchInfo);
- log(watchInfo);
- var start = ts.timestamp();
- watcher.close();
- var elapsed = ts.timestamp() - start;
- log("Elapsed:: " + elapsed + "ms " + watchInfo);
- }
- };
- }
- function createFileWatcherWithTriggerLogging(host, file, cb, flags, options, passThrough, detailInfo1, detailInfo2, addWatch, log, watchCaption, getDetailWatchInfo) {
- return addWatch(host, file, function (fileName, cbOptional) {
- var triggerredInfo = watchCaption + ":: Triggered with " + fileName + " " + (cbOptional !== undefined ? cbOptional : "") + ":: " + getWatchInfo(file, flags, options, detailInfo1, detailInfo2, getDetailWatchInfo);
- log(triggerredInfo);
- var start = ts.timestamp();
- cb(fileName, cbOptional, passThrough);
- var elapsed = ts.timestamp() - start;
- log("Elapsed:: " + elapsed + "ms " + triggerredInfo);
- }, flags, options);
- }
- function getFallbackOptions(options) {
- var fallbackPolling = options === null || options === void 0 ? void 0 : options.fallbackPolling;
- return {
- watchFile: fallbackPolling !== undefined ?
- fallbackPolling :
- ts.WatchFileKind.PriorityPollingInterval
- };
- }
- ts.getFallbackOptions = getFallbackOptions;
- function getWatchInfo(file, flags, options, detailInfo1, detailInfo2, getDetailWatchInfo) {
- return "WatchInfo: " + file + " " + flags + " " + JSON.stringify(options) + " " + (getDetailWatchInfo ? getDetailWatchInfo(detailInfo1, detailInfo2) : detailInfo2 === undefined ? detailInfo1 : detailInfo1 + " " + detailInfo2);
- }
- function closeFileWatcherOf(objWithWatcher) {
- objWithWatcher.watcher.close();
- }
- ts.closeFileWatcherOf = closeFileWatcherOf;
-})(ts || (ts = {}));
-var ts;
-(function (ts) {
- function findConfigFile(searchPath, fileExists, configName) {
- if (configName === void 0) { configName = "tsconfig.json"; }
- return ts.forEachAncestorDirectory(searchPath, function (ancestor) {
- var fileName = ts.combinePaths(ancestor, configName);
- return fileExists(fileName) ? fileName : undefined;
- });
- }
- ts.findConfigFile = findConfigFile;
- function resolveTripleslashReference(moduleName, containingFile) {
- var basePath = ts.getDirectoryPath(containingFile);
- var referencedFileName = ts.isRootedDiskPath(moduleName) ? moduleName : ts.combinePaths(basePath, moduleName);
- return ts.normalizePath(referencedFileName);
- }
- ts.resolveTripleslashReference = resolveTripleslashReference;
- /* @internal */
- function computeCommonSourceDirectoryOfFilenames(fileNames, currentDirectory, getCanonicalFileName) {
- var commonPathComponents;
- var failed = ts.forEach(fileNames, function (sourceFile) {
- // Each file contributes into common source file path
- var sourcePathComponents = ts.getNormalizedPathComponents(sourceFile, currentDirectory);
- sourcePathComponents.pop(); // The base file name is not part of the common directory path
- if (!commonPathComponents) {
- // first file
- commonPathComponents = sourcePathComponents;
- return;
- }
- var n = Math.min(commonPathComponents.length, sourcePathComponents.length);
- for (var i = 0; i < n; i++) {
- if (getCanonicalFileName(commonPathComponents[i]) !== getCanonicalFileName(sourcePathComponents[i])) {
- if (i === 0) {
- // Failed to find any common path component
- return true;
- }
- // New common path found that is 0 -> i-1
- commonPathComponents.length = i;
- break;
- }
- }
- // If the sourcePathComponents was shorter than the commonPathComponents, truncate to the sourcePathComponents
- if (sourcePathComponents.length < commonPathComponents.length) {
- commonPathComponents.length = sourcePathComponents.length;
- }
- });
- // A common path can not be found when paths span multiple drives on windows, for example
- if (failed) {
- return "";
- }
- if (!commonPathComponents) { // Can happen when all input files are .d.ts files
- return currentDirectory;
- }
- return ts.getPathFromPathComponents(commonPathComponents);
- }
- ts.computeCommonSourceDirectoryOfFilenames = computeCommonSourceDirectoryOfFilenames;
- function createCompilerHost(options, setParentNodes) {
- return createCompilerHostWorker(options, setParentNodes);
- }
- ts.createCompilerHost = createCompilerHost;
- /*@internal*/
- // TODO(shkamat): update this after reworking ts build API
- function createCompilerHostWorker(options, setParentNodes, system) {
- if (system === void 0) { system = ts.sys; }
- var existingDirectories = ts.createMap();
- var getCanonicalFileName = ts.createGetCanonicalFileName(system.useCaseSensitiveFileNames);
- function getSourceFile(fileName, languageVersion, onError) {
- var text;
- try {
- ts.performance.mark("beforeIORead");
- text = compilerHost.readFile(fileName);
- ts.performance.mark("afterIORead");
- ts.performance.measure("I/O Read", "beforeIORead", "afterIORead");
- }
- catch (e) {
- if (onError) {
- onError(e.message);
- }
- text = "";
- }
- return text !== undefined ? ts.createSourceFile(fileName, text, languageVersion, setParentNodes) : undefined;
- }
- function directoryExists(directoryPath) {
- if (existingDirectories.has(directoryPath)) {
- return true;
- }
- if ((compilerHost.directoryExists || system.directoryExists)(directoryPath)) {
- existingDirectories.set(directoryPath, true);
- return true;
- }
- return false;
- }
- function writeFile(fileName, data, writeByteOrderMark, onError) {
- try {
- ts.performance.mark("beforeIOWrite");
- // NOTE: If patchWriteFileEnsuringDirectory has been called,
- // the system.writeFile will do its own directory creation and
- // the ensureDirectoriesExist call will always be redundant.
- ts.writeFileEnsuringDirectories(fileName, data, writeByteOrderMark, function (path, data, writeByteOrderMark) { return writeFileWorker(path, data, writeByteOrderMark); }, function (path) { return (compilerHost.createDirectory || system.createDirectory)(path); }, function (path) { return directoryExists(path); });
- ts.performance.mark("afterIOWrite");
- ts.performance.measure("I/O Write", "beforeIOWrite", "afterIOWrite");
- }
- catch (e) {
- if (onError) {
- onError(e.message);
- }
- }
- }
- var outputFingerprints;
- function writeFileWorker(fileName, data, writeByteOrderMark) {
- if (!ts.isWatchSet(options) || !system.createHash || !system.getModifiedTime) {
- system.writeFile(fileName, data, writeByteOrderMark);
- return;
- }
- if (!outputFingerprints) {
- outputFingerprints = ts.createMap();
- }
- var hash = system.createHash(data);
- var mtimeBefore = system.getModifiedTime(fileName);
- if (mtimeBefore) {
- var fingerprint = outputFingerprints.get(fileName);
- // If output has not been changed, and the file has no external modification
- if (fingerprint &&
- fingerprint.byteOrderMark === writeByteOrderMark &&
- fingerprint.hash === hash &&
- fingerprint.mtime.getTime() === mtimeBefore.getTime()) {
- return;
- }
- }
- system.writeFile(fileName, data, writeByteOrderMark);
- var mtimeAfter = system.getModifiedTime(fileName) || ts.missingFileModifiedTime;
- outputFingerprints.set(fileName, {
- hash: hash,
- byteOrderMark: writeByteOrderMark,
- mtime: mtimeAfter
- });
- }
- function getDefaultLibLocation() {
- return ts.getDirectoryPath(ts.normalizePath(system.getExecutingFilePath()));
- }
- var newLine = ts.getNewLineCharacter(options, function () { return system.newLine; });
- var realpath = system.realpath && (function (path) { return system.realpath(path); });
- var compilerHost = {
- getSourceFile: getSourceFile,
- getDefaultLibLocation: getDefaultLibLocation,
- getDefaultLibFileName: function (options) { return ts.combinePaths(getDefaultLibLocation(), ts.getDefaultLibFileName(options)); },
- writeFile: writeFile,
- getCurrentDirectory: ts.memoize(function () { return system.getCurrentDirectory(); }),
- useCaseSensitiveFileNames: function () { return system.useCaseSensitiveFileNames; },
- getCanonicalFileName: getCanonicalFileName,
- getNewLine: function () { return newLine; },
- fileExists: function (fileName) { return system.fileExists(fileName); },
- readFile: function (fileName) { return system.readFile(fileName); },
- trace: function (s) { return system.write(s + newLine); },
- directoryExists: function (directoryName) { return system.directoryExists(directoryName); },
- getEnvironmentVariable: function (name) { return system.getEnvironmentVariable ? system.getEnvironmentVariable(name) : ""; },
- getDirectories: function (path) { return system.getDirectories(path); },
- realpath: realpath,
- readDirectory: function (path, extensions, include, exclude, depth) { return system.readDirectory(path, extensions, include, exclude, depth); },
- createDirectory: function (d) { return system.createDirectory(d); },
- createHash: ts.maybeBind(system, system.createHash)
- };
- return compilerHost;
- }
- ts.createCompilerHostWorker = createCompilerHostWorker;
- /*@internal*/
- function changeCompilerHostLikeToUseCache(host, toPath, getSourceFile) {
- var originalReadFile = host.readFile;
- var originalFileExists = host.fileExists;
- var originalDirectoryExists = host.directoryExists;
- var originalCreateDirectory = host.createDirectory;
- var originalWriteFile = host.writeFile;
- var readFileCache = ts.createMap();
- var fileExistsCache = ts.createMap();
- var directoryExistsCache = ts.createMap();
- var sourceFileCache = ts.createMap();
- var readFileWithCache = function (fileName) {
- var key = toPath(fileName);
- var value = readFileCache.get(key);
- if (value !== undefined)
- return value !== false ? value : undefined;
- return setReadFileCache(key, fileName);
- };
- var setReadFileCache = function (key, fileName) {
- var newValue = originalReadFile.call(host, fileName);
- readFileCache.set(key, newValue !== undefined ? newValue : false);
- return newValue;
- };
- host.readFile = function (fileName) {
- var key = toPath(fileName);
- var value = readFileCache.get(key);
- if (value !== undefined)
- return value !== false ? value : undefined; // could be .d.ts from output
- // Cache json or buildInfo
- if (!ts.fileExtensionIs(fileName, ".json" /* Json */) && !ts.isBuildInfoFile(fileName)) {
- return originalReadFile.call(host, fileName);
- }
- return setReadFileCache(key, fileName);
- };
- var getSourceFileWithCache = getSourceFile ? function (fileName, languageVersion, onError, shouldCreateNewSourceFile) {
- var key = toPath(fileName);
- var value = sourceFileCache.get(key);
- if (value)
- return value;
- var sourceFile = getSourceFile(fileName, languageVersion, onError, shouldCreateNewSourceFile);
- if (sourceFile && (ts.isDeclarationFileName(fileName) || ts.fileExtensionIs(fileName, ".json" /* Json */))) {
- sourceFileCache.set(key, sourceFile);
- }
- return sourceFile;
- } : undefined;
- // fileExists for any kind of extension
- host.fileExists = function (fileName) {
- var key = toPath(fileName);
- var value = fileExistsCache.get(key);
- if (value !== undefined)
- return value;
- var newValue = originalFileExists.call(host, fileName);
- fileExistsCache.set(key, !!newValue);
- return newValue;
- };
- if (originalWriteFile) {
- host.writeFile = function (fileName, data, writeByteOrderMark, onError, sourceFiles) {
- var key = toPath(fileName);
- fileExistsCache.delete(key);
- var value = readFileCache.get(key);
- if (value !== undefined && value !== data) {
- readFileCache.delete(key);
- sourceFileCache.delete(key);
- }
- else if (getSourceFileWithCache) {
- var sourceFile = sourceFileCache.get(key);
- if (sourceFile && sourceFile.text !== data) {
- sourceFileCache.delete(key);
- }
- }
- originalWriteFile.call(host, fileName, data, writeByteOrderMark, onError, sourceFiles);
- };
- }
- // directoryExists
- if (originalDirectoryExists && originalCreateDirectory) {
- host.directoryExists = function (directory) {
- var key = toPath(directory);
- var value = directoryExistsCache.get(key);
- if (value !== undefined)
- return value;
- var newValue = originalDirectoryExists.call(host, directory);
- directoryExistsCache.set(key, !!newValue);
- return newValue;
- };
- host.createDirectory = function (directory) {
- var key = toPath(directory);
- directoryExistsCache.delete(key);
- originalCreateDirectory.call(host, directory);
- };
- }
- return {
- originalReadFile: originalReadFile,
- originalFileExists: originalFileExists,
- originalDirectoryExists: originalDirectoryExists,
- originalCreateDirectory: originalCreateDirectory,
- originalWriteFile: originalWriteFile,
- getSourceFileWithCache: getSourceFileWithCache,
- readFileWithCache: readFileWithCache
- };
- }
- ts.changeCompilerHostLikeToUseCache = changeCompilerHostLikeToUseCache;
- function getPreEmitDiagnostics(program, sourceFile, cancellationToken) {
- var diagnostics;
- diagnostics = ts.addRange(diagnostics, program.getConfigFileParsingDiagnostics());
- diagnostics = ts.addRange(diagnostics, program.getOptionsDiagnostics(cancellationToken));
- diagnostics = ts.addRange(diagnostics, program.getSyntacticDiagnostics(sourceFile, cancellationToken));
- diagnostics = ts.addRange(diagnostics, program.getGlobalDiagnostics(cancellationToken));
- diagnostics = ts.addRange(diagnostics, program.getSemanticDiagnostics(sourceFile, cancellationToken));
- if (ts.getEmitDeclarations(program.getCompilerOptions())) {
- diagnostics = ts.addRange(diagnostics, program.getDeclarationDiagnostics(sourceFile, cancellationToken));
- }
- return ts.sortAndDeduplicateDiagnostics(diagnostics || ts.emptyArray);
- }
- ts.getPreEmitDiagnostics = getPreEmitDiagnostics;
- function formatDiagnostics(diagnostics, host) {
- var output = "";
- for (var _i = 0, diagnostics_2 = diagnostics; _i < diagnostics_2.length; _i++) {
- var diagnostic = diagnostics_2[_i];
- output += formatDiagnostic(diagnostic, host);
- }
- return output;
- }
- ts.formatDiagnostics = formatDiagnostics;
- function formatDiagnostic(diagnostic, host) {
- var errorMessage = ts.diagnosticCategoryName(diagnostic) + " TS" + diagnostic.code + ": " + flattenDiagnosticMessageText(diagnostic.messageText, host.getNewLine()) + host.getNewLine();
- if (diagnostic.file) {
- var _a = ts.getLineAndCharacterOfPosition(diagnostic.file, diagnostic.start), line = _a.line, character = _a.character; // TODO: GH#18217
- var fileName = diagnostic.file.fileName;
- var relativeFileName = ts.convertToRelativePath(fileName, host.getCurrentDirectory(), function (fileName) { return host.getCanonicalFileName(fileName); });
- return relativeFileName + "(" + (line + 1) + "," + (character + 1) + "): " + errorMessage;
- }
- return errorMessage;
- }
- ts.formatDiagnostic = formatDiagnostic;
- /** @internal */
- var ForegroundColorEscapeSequences;
- (function (ForegroundColorEscapeSequences) {
- ForegroundColorEscapeSequences["Grey"] = "\u001B[90m";
- ForegroundColorEscapeSequences["Red"] = "\u001B[91m";
- ForegroundColorEscapeSequences["Yellow"] = "\u001B[93m";
- ForegroundColorEscapeSequences["Blue"] = "\u001B[94m";
- ForegroundColorEscapeSequences["Cyan"] = "\u001B[96m";
- })(ForegroundColorEscapeSequences = ts.ForegroundColorEscapeSequences || (ts.ForegroundColorEscapeSequences = {}));
- var gutterStyleSequence = "\u001b[7m";
- var gutterSeparator = " ";
- var resetEscapeSequence = "\u001b[0m";
- var ellipsis = "...";
- var halfIndent = " ";
- var indent = " ";
- function getCategoryFormat(category) {
- switch (category) {
- case ts.DiagnosticCategory.Error: return ForegroundColorEscapeSequences.Red;
- case ts.DiagnosticCategory.Warning: return ForegroundColorEscapeSequences.Yellow;
- case ts.DiagnosticCategory.Suggestion: return ts.Debug.fail("Should never get an Info diagnostic on the command line.");
- case ts.DiagnosticCategory.Message: return ForegroundColorEscapeSequences.Blue;
- }
- }
- /** @internal */
- function formatColorAndReset(text, formatStyle) {
- return formatStyle + text + resetEscapeSequence;
- }
- ts.formatColorAndReset = formatColorAndReset;
- function formatCodeSpan(file, start, length, indent, squiggleColor, host) {
- var _a = ts.getLineAndCharacterOfPosition(file, start), firstLine = _a.line, firstLineChar = _a.character;
- var _b = ts.getLineAndCharacterOfPosition(file, start + length), lastLine = _b.line, lastLineChar = _b.character;
- var lastLineInFile = ts.getLineAndCharacterOfPosition(file, file.text.length).line;
- var hasMoreThanFiveLines = (lastLine - firstLine) >= 4;
- var gutterWidth = (lastLine + 1 + "").length;
- if (hasMoreThanFiveLines) {
- gutterWidth = Math.max(ellipsis.length, gutterWidth);
- }
- var context = "";
- for (var i = firstLine; i <= lastLine; i++) {
- context += host.getNewLine();
- // If the error spans over 5 lines, we'll only show the first 2 and last 2 lines,
- // so we'll skip ahead to the second-to-last line.
- if (hasMoreThanFiveLines && firstLine + 1 < i && i < lastLine - 1) {
- context += indent + formatColorAndReset(ts.padLeft(ellipsis, gutterWidth), gutterStyleSequence) + gutterSeparator + host.getNewLine();
- i = lastLine - 1;
- }
- var lineStart = ts.getPositionOfLineAndCharacter(file, i, 0);
- var lineEnd = i < lastLineInFile ? ts.getPositionOfLineAndCharacter(file, i + 1, 0) : file.text.length;
- var lineContent = file.text.slice(lineStart, lineEnd);
- lineContent = lineContent.replace(/\s+$/g, ""); // trim from end
- lineContent = lineContent.replace("\t", " "); // convert tabs to single spaces
- // Output the gutter and the actual contents of the line.
- context += indent + formatColorAndReset(ts.padLeft(i + 1 + "", gutterWidth), gutterStyleSequence) + gutterSeparator;
- context += lineContent + host.getNewLine();
- // Output the gutter and the error span for the line using tildes.
- context += indent + formatColorAndReset(ts.padLeft("", gutterWidth), gutterStyleSequence) + gutterSeparator;
- context += squiggleColor;
- if (i === firstLine) {
- // If we're on the last line, then limit it to the last character of the last line.
- // Otherwise, we'll just squiggle the rest of the line, giving 'slice' no end position.
- var lastCharForLine = i === lastLine ? lastLineChar : undefined;
- context += lineContent.slice(0, firstLineChar).replace(/\S/g, " ");
- context += lineContent.slice(firstLineChar, lastCharForLine).replace(/./g, "~");
- }
- else if (i === lastLine) {
- context += lineContent.slice(0, lastLineChar).replace(/./g, "~");
- }
- else {
- // Squiggle the entire line.
- context += lineContent.replace(/./g, "~");
- }
- context += resetEscapeSequence;
- }
- return context;
- }
- /* @internal */
- function formatLocation(file, start, host, color) {
- if (color === void 0) { color = formatColorAndReset; }
- var _a = ts.getLineAndCharacterOfPosition(file, start), firstLine = _a.line, firstLineChar = _a.character; // TODO: GH#18217
- var relativeFileName = host ? ts.convertToRelativePath(file.fileName, host.getCurrentDirectory(), function (fileName) { return host.getCanonicalFileName(fileName); }) : file.fileName;
- var output = "";
- output += color(relativeFileName, ForegroundColorEscapeSequences.Cyan);
- output += ":";
- output += color("" + (firstLine + 1), ForegroundColorEscapeSequences.Yellow);
- output += ":";
- output += color("" + (firstLineChar + 1), ForegroundColorEscapeSequences.Yellow);
- return output;
- }
- ts.formatLocation = formatLocation;
- function formatDiagnosticsWithColorAndContext(diagnostics, host) {
- var output = "";
- for (var _i = 0, diagnostics_3 = diagnostics; _i < diagnostics_3.length; _i++) {
- var diagnostic = diagnostics_3[_i];
- if (diagnostic.file) {
- var file = diagnostic.file, start = diagnostic.start;
- output += formatLocation(file, start, host); // TODO: GH#18217
- output += " - ";
- }
- output += formatColorAndReset(ts.diagnosticCategoryName(diagnostic), getCategoryFormat(diagnostic.category));
- output += formatColorAndReset(" TS" + diagnostic.code + ": ", ForegroundColorEscapeSequences.Grey);
- output += flattenDiagnosticMessageText(diagnostic.messageText, host.getNewLine());
- if (diagnostic.file) {
- output += host.getNewLine();
- output += formatCodeSpan(diagnostic.file, diagnostic.start, diagnostic.length, "", getCategoryFormat(diagnostic.category), host); // TODO: GH#18217
- if (diagnostic.relatedInformation) {
- output += host.getNewLine();
- for (var _a = 0, _b = diagnostic.relatedInformation; _a < _b.length; _a++) {
- var _c = _b[_a], file = _c.file, start = _c.start, length_8 = _c.length, messageText = _c.messageText;
- if (file) {
- output += host.getNewLine();
- output += halfIndent + formatLocation(file, start, host); // TODO: GH#18217
- output += formatCodeSpan(file, start, length_8, indent, ForegroundColorEscapeSequences.Cyan, host); // TODO: GH#18217
- }
- output += host.getNewLine();
- output += indent + flattenDiagnosticMessageText(messageText, host.getNewLine());
- }
- }
- }
- output += host.getNewLine();
- }
- return output;
- }
- ts.formatDiagnosticsWithColorAndContext = formatDiagnosticsWithColorAndContext;
- function flattenDiagnosticMessageText(diag, newLine, indent) {
- if (indent === void 0) { indent = 0; }
- if (ts.isString(diag)) {
- return diag;
- }
- else if (diag === undefined) {
- return "";
- }
- var result = "";
- if (indent) {
- result += newLine;
- for (var i = 0; i < indent; i++) {
- result += " ";
- }
- }
- result += diag.messageText;
- indent++;
- if (diag.next) {
- for (var _i = 0, _a = diag.next; _i < _a.length; _i++) {
- var kid = _a[_i];
- result += flattenDiagnosticMessageText(kid, newLine, indent);
- }
- }
- return result;
- }
- ts.flattenDiagnosticMessageText = flattenDiagnosticMessageText;
- /* @internal */
- function loadWithLocalCache(names, containingFile, redirectedReference, loader) {
- if (names.length === 0) {
- return [];
- }
- var resolutions = [];
- var cache = ts.createMap();
- for (var _i = 0, names_2 = names; _i < names_2.length; _i++) {
- var name = names_2[_i];
- var result = void 0;
- if (cache.has(name)) {
- result = cache.get(name);
- }
- else {
- cache.set(name, result = loader(name, containingFile, redirectedReference));
- }
- resolutions.push(result);
- }
- return resolutions;
- }
- ts.loadWithLocalCache = loadWithLocalCache;
- /* @internal */
- ts.inferredTypesContainingFile = "__inferred type names__.ts";
- /**
- * Determines if program structure is upto date or needs to be recreated
- */
- /* @internal */
- function isProgramUptoDate(program, rootFileNames, newOptions, getSourceVersion, fileExists, hasInvalidatedResolution, hasChangedAutomaticTypeDirectiveNames, projectReferences) {
- // If we haven't created a program yet or have changed automatic type directives, then it is not up-to-date
- if (!program || hasChangedAutomaticTypeDirectiveNames) {
- return false;
- }
- // If root file names don't match
- if (!ts.arrayIsEqualTo(program.getRootFileNames(), rootFileNames)) {
- return false;
- }
- var seenResolvedRefs;
- // If project references don't match
- if (!ts.arrayIsEqualTo(program.getProjectReferences(), projectReferences, projectReferenceUptoDate)) {
- return false;
- }
- // If any file is not up-to-date, then the whole program is not up-to-date
- if (program.getSourceFiles().some(sourceFileNotUptoDate)) {
- return false;
- }
- // If any of the missing file paths are now created
- if (program.getMissingFilePaths().some(fileExists)) {
- return false;
- }
- var currentOptions = program.getCompilerOptions();
- // If the compilation settings do no match, then the program is not up-to-date
- if (!ts.compareDataObjects(currentOptions, newOptions)) {
- return false;
- }
- // If everything matches but the text of config file is changed,
- // error locations can change for program options, so update the program
- if (currentOptions.configFile && newOptions.configFile) {
- return currentOptions.configFile.text === newOptions.configFile.text;
- }
- return true;
- function sourceFileNotUptoDate(sourceFile) {
- return !sourceFileVersionUptoDate(sourceFile) ||
- hasInvalidatedResolution(sourceFile.path);
- }
- function sourceFileVersionUptoDate(sourceFile) {
- return sourceFile.version === getSourceVersion(sourceFile.resolvedPath, sourceFile.fileName);
- }
- function projectReferenceUptoDate(oldRef, newRef, index) {
- if (!ts.projectReferenceIsEqualTo(oldRef, newRef)) {
- return false;
- }
- return resolvedProjectReferenceUptoDate(program.getResolvedProjectReferences()[index], oldRef);
- }
- function resolvedProjectReferenceUptoDate(oldResolvedRef, oldRef) {
- if (oldResolvedRef) {
- if (ts.contains(seenResolvedRefs, oldResolvedRef)) {
- // Assume true
- return true;
- }
- // If sourceFile for the oldResolvedRef existed, check the version for uptodate
- if (!sourceFileVersionUptoDate(oldResolvedRef.sourceFile)) {
- return false;
- }
- // Add to seen before checking the referenced paths of this config file
- (seenResolvedRefs || (seenResolvedRefs = [])).push(oldResolvedRef);
- // If child project references are upto date, this project reference is uptodate
- return !ts.forEach(oldResolvedRef.references, function (childResolvedRef, index) {
- return !resolvedProjectReferenceUptoDate(childResolvedRef, oldResolvedRef.commandLine.projectReferences[index]);
- });
- }
- // In old program, not able to resolve project reference path,
- // so if config file doesnt exist, it is uptodate.
- return !fileExists(resolveProjectReferencePath(oldRef));
- }
- }
- ts.isProgramUptoDate = isProgramUptoDate;
- function getConfigFileParsingDiagnostics(configFileParseResult) {
- return configFileParseResult.options.configFile ? __spreadArrays(configFileParseResult.options.configFile.parseDiagnostics, configFileParseResult.errors) :
- configFileParseResult.errors;
- }
- ts.getConfigFileParsingDiagnostics = getConfigFileParsingDiagnostics;
- /**
- * Determine if source file needs to be re-created even if its text hasn't changed
- */
- function shouldProgramCreateNewSourceFiles(program, newOptions) {
- if (!program)
- return false;
- // If any compiler options change, we can't reuse old source file even if version match
- // The change in options like these could result in change in syntax tree or `sourceFile.bindDiagnostics`.
- var oldOptions = program.getCompilerOptions();
- return !!ts.sourceFileAffectingCompilerOptions.some(function (option) {
- return !ts.isJsonEqual(ts.getCompilerOptionValue(oldOptions, option), ts.getCompilerOptionValue(newOptions, option));
- });
- }
- function createCreateProgramOptions(rootNames, options, host, oldProgram, configFileParsingDiagnostics) {
- return {
- rootNames: rootNames,
- options: options,
- host: host,
- oldProgram: oldProgram,
- configFileParsingDiagnostics: configFileParsingDiagnostics
- };
- }
- function createProgram(rootNamesOrOptions, _options, _host, _oldProgram, _configFileParsingDiagnostics) {
- var _a;
- var createProgramOptions = ts.isArray(rootNamesOrOptions) ? createCreateProgramOptions(rootNamesOrOptions, _options, _host, _oldProgram, _configFileParsingDiagnostics) : rootNamesOrOptions; // TODO: GH#18217
- var rootNames = createProgramOptions.rootNames, options = createProgramOptions.options, configFileParsingDiagnostics = createProgramOptions.configFileParsingDiagnostics, projectReferences = createProgramOptions.projectReferences;
- var oldProgram = createProgramOptions.oldProgram;
- var processingDefaultLibFiles;
- var processingOtherFiles;
- var files;
- var symlinks;
- var commonSourceDirectory;
- var diagnosticsProducingTypeChecker;
- var noDiagnosticsTypeChecker;
- var classifiableNames;
- var ambientModuleNameToUnmodifiedFileName = ts.createMap();
- // Todo:: Use this to report why file was included in --extendedDiagnostics
- var refFileMap;
- var cachedBindAndCheckDiagnosticsForFile = {};
- var cachedDeclarationDiagnosticsForFile = {};
- var resolvedTypeReferenceDirectives = ts.createMap();
- var fileProcessingDiagnostics = ts.createDiagnosticCollection();
- // The below settings are to track if a .js file should be add to the program if loaded via searching under node_modules.
- // This works as imported modules are discovered recursively in a depth first manner, specifically:
- // - For each root file, findSourceFile is called.
- // - This calls processImportedModules for each module imported in the source file.
- // - This calls resolveModuleNames, and then calls findSourceFile for each resolved module.
- // As all these operations happen - and are nested - within the createProgram call, they close over the below variables.
- // The current resolution depth is tracked by incrementing/decrementing as the depth first search progresses.
- var maxNodeModuleJsDepth = typeof options.maxNodeModuleJsDepth === "number" ? options.maxNodeModuleJsDepth : 0;
- var currentNodeModulesDepth = 0;
- // If a module has some of its imports skipped due to being at the depth limit under node_modules, then track
- // this, as it may be imported at a shallower depth later, and then it will need its skipped imports processed.
- var modulesWithElidedImports = ts.createMap();
- // Track source files that are source files found by searching under node_modules, as these shouldn't be compiled.
- var sourceFilesFoundSearchingNodeModules = ts.createMap();
- ts.performance.mark("beforeProgram");
- var host = createProgramOptions.host || createCompilerHost(options);
- var configParsingHost = parseConfigHostFromCompilerHostLike(host);
- var skipDefaultLib = options.noLib;
- var getDefaultLibraryFileName = ts.memoize(function () { return host.getDefaultLibFileName(options); });
- var defaultLibraryPath = host.getDefaultLibLocation ? host.getDefaultLibLocation() : ts.getDirectoryPath(getDefaultLibraryFileName());
- var programDiagnostics = ts.createDiagnosticCollection();
- var currentDirectory = host.getCurrentDirectory();
- var supportedExtensions = ts.getSupportedExtensions(options);
- var supportedExtensionsWithJsonIfResolveJsonModule = ts.getSuppoertedExtensionsWithJsonIfResolveJsonModule(options, supportedExtensions);
- // Map storing if there is emit blocking diagnostics for given input
- var hasEmitBlockingDiagnostics = ts.createMap();
- var _compilerOptionsObjectLiteralSyntax;
- var moduleResolutionCache;
- var actualResolveModuleNamesWorker;
- var hasInvalidatedResolution = host.hasInvalidatedResolution || ts.returnFalse;
- if (host.resolveModuleNames) {
- actualResolveModuleNamesWorker = function (moduleNames, containingFile, reusedNames, redirectedReference) { return host.resolveModuleNames(ts.Debug.checkEachDefined(moduleNames), containingFile, reusedNames, redirectedReference, options).map(function (resolved) {
- // An older host may have omitted extension, in which case we should infer it from the file extension of resolvedFileName.
- if (!resolved || resolved.extension !== undefined) {
- return resolved;
- }
- var withExtension = ts.clone(resolved);
- withExtension.extension = ts.extensionFromPath(resolved.resolvedFileName);
- return withExtension;
- }); };
- }
- else {
- moduleResolutionCache = ts.createModuleResolutionCache(currentDirectory, function (x) { return host.getCanonicalFileName(x); }, options);
- var loader_1 = function (moduleName, containingFile, redirectedReference) { return ts.resolveModuleName(moduleName, containingFile, options, host, moduleResolutionCache, redirectedReference).resolvedModule; }; // TODO: GH#18217
- actualResolveModuleNamesWorker = function (moduleNames, containingFile, _reusedNames, redirectedReference) { return loadWithLocalCache(ts.Debug.checkEachDefined(moduleNames), containingFile, redirectedReference, loader_1); };
- }
- var actualResolveTypeReferenceDirectiveNamesWorker;
- if (host.resolveTypeReferenceDirectives) {
- actualResolveTypeReferenceDirectiveNamesWorker = function (typeDirectiveNames, containingFile, redirectedReference) { return host.resolveTypeReferenceDirectives(ts.Debug.checkEachDefined(typeDirectiveNames), containingFile, redirectedReference, options); };
- }
- else {
- var loader_2 = function (typesRef, containingFile, redirectedReference) { return ts.resolveTypeReferenceDirective(typesRef, containingFile, options, host, redirectedReference).resolvedTypeReferenceDirective; }; // TODO: GH#18217
- actualResolveTypeReferenceDirectiveNamesWorker = function (typeReferenceDirectiveNames, containingFile, redirectedReference) { return loadWithLocalCache(ts.Debug.checkEachDefined(typeReferenceDirectiveNames), containingFile, redirectedReference, loader_2); };
- }
- // Map from a stringified PackageId to the source file with that id.
- // Only one source file may have a given packageId. Others become redirects (see createRedirectSourceFile).
- // `packageIdToSourceFile` is only used while building the program, while `sourceFileToPackageName` and `isSourceFileTargetOfRedirect` are kept around.
- var packageIdToSourceFile = ts.createMap();
- // Maps from a SourceFile's `.path` to the name of the package it was imported with.
- var sourceFileToPackageName = ts.createMap();
- // Key is a file name. Value is the (non-empty, or undefined) list of files that redirect to it.
- var redirectTargetsMap = ts.createMultiMap();
- /**
- * map with
- * - SourceFile if present
- * - false if sourceFile missing for source of project reference redirect
- * - undefined otherwise
- */
- var filesByName = ts.createMap();
- var missingFilePaths;
- // stores 'filename -> file association' ignoring case
- // used to track cases when two file names differ only in casing
- var filesByNameIgnoreCase = host.useCaseSensitiveFileNames() ? ts.createMap() : undefined;
- // A parallel array to projectReferences storing the results of reading in the referenced tsconfig files
- var resolvedProjectReferences;
- var projectReferenceRedirects;
- var mapFromFileToProjectReferenceRedirects;
- var mapFromToProjectReferenceRedirectSource;
- var useSourceOfProjectReferenceRedirect = !!((_a = host.useSourceOfProjectReferenceRedirect) === null || _a === void 0 ? void 0 : _a.call(host)) &&
- !options.disableSourceOfProjectReferenceRedirect;
- var _b = updateHostForUseSourceOfProjectReferenceRedirect({
- compilerHost: host,
- useSourceOfProjectReferenceRedirect: useSourceOfProjectReferenceRedirect,
- toPath: toPath,
- getResolvedProjectReferences: getResolvedProjectReferences,
- getSourceOfProjectReferenceRedirect: getSourceOfProjectReferenceRedirect,
- forEachResolvedProjectReference: forEachResolvedProjectReference
- }), onProgramCreateComplete = _b.onProgramCreateComplete, fileExists = _b.fileExists;
- var shouldCreateNewSourceFile = shouldProgramCreateNewSourceFiles(oldProgram, options);
- // We set `structuralIsReused` to `undefined` because `tryReuseStructureFromOldProgram` calls `tryReuseStructureFromOldProgram` which checks
- // `structuralIsReused`, which would be a TDZ violation if it was not set in advance to `undefined`.
- var structuralIsReused;
- structuralIsReused = tryReuseStructureFromOldProgram(); // eslint-disable-line prefer-const
- if (structuralIsReused !== 2 /* Completely */) {
- processingDefaultLibFiles = [];
- processingOtherFiles = [];
- if (projectReferences) {
- if (!resolvedProjectReferences) {
- resolvedProjectReferences = projectReferences.map(parseProjectReferenceConfigFile);
- }
- if (rootNames.length) {
- for (var _i = 0, resolvedProjectReferences_1 = resolvedProjectReferences; _i < resolvedProjectReferences_1.length; _i++) {
- var parsedRef = resolvedProjectReferences_1[_i];
- if (!parsedRef)
- continue;
- var out = parsedRef.commandLine.options.outFile || parsedRef.commandLine.options.out;
- if (useSourceOfProjectReferenceRedirect) {
- if (out || ts.getEmitModuleKind(parsedRef.commandLine.options) === ts.ModuleKind.None) {
- for (var _c = 0, _d = parsedRef.commandLine.fileNames; _c < _d.length; _c++) {
- var fileName = _d[_c];
- processSourceFile(fileName, /*isDefaultLib*/ false, /*ignoreNoDefaultLib*/ false, /*packageId*/ undefined);
- }
- }
- }
- else {
- if (out) {
- processSourceFile(ts.changeExtension(out, ".d.ts"), /*isDefaultLib*/ false, /*ignoreNoDefaultLib*/ false, /*packageId*/ undefined);
- }
- else if (ts.getEmitModuleKind(parsedRef.commandLine.options) === ts.ModuleKind.None) {
- for (var _e = 0, _f = parsedRef.commandLine.fileNames; _e < _f.length; _e++) {
- var fileName = _f[_e];
- if (!ts.fileExtensionIs(fileName, ".d.ts" /* Dts */) && !ts.fileExtensionIs(fileName, ".json" /* Json */)) {
- processSourceFile(ts.getOutputDeclarationFileName(fileName, parsedRef.commandLine, !host.useCaseSensitiveFileNames()), /*isDefaultLib*/ false, /*ignoreNoDefaultLib*/ false, /*packageId*/ undefined);
- }
- }
- }
- }
- }
- }
- }
- ts.forEach(rootNames, function (name) { return processRootFile(name, /*isDefaultLib*/ false, /*ignoreNoDefaultLib*/ false); });
- // load type declarations specified via 'types' argument or implicitly from types/ and node_modules/@types folders
- var typeReferences = rootNames.length ? ts.getAutomaticTypeDirectiveNames(options, host) : ts.emptyArray;
- if (typeReferences.length) {
- // This containingFilename needs to match with the one used in managed-side
- var containingDirectory = options.configFilePath ? ts.getDirectoryPath(options.configFilePath) : host.getCurrentDirectory();
- var containingFilename = ts.combinePaths(containingDirectory, ts.inferredTypesContainingFile);
- var resolutions = resolveTypeReferenceDirectiveNamesWorker(typeReferences, containingFilename);
- for (var i = 0; i < typeReferences.length; i++) {
- processTypeReferenceDirective(typeReferences[i], resolutions[i]);
- }
- }
- // Do not process the default library if:
- // - The '--noLib' flag is used.
- // - A 'no-default-lib' reference comment is encountered in
- // processing the root files.
- if (rootNames.length && !skipDefaultLib) {
- // If '--lib' is not specified, include default library file according to '--target'
- // otherwise, using options specified in '--lib' instead of '--target' default library file
- var defaultLibraryFileName = getDefaultLibraryFileName();
- if (!options.lib && defaultLibraryFileName) {
- processRootFile(defaultLibraryFileName, /*isDefaultLib*/ true, /*ignoreNoDefaultLib*/ false);
- }
- else {
- ts.forEach(options.lib, function (libFileName) {
- processRootFile(ts.combinePaths(defaultLibraryPath, libFileName), /*isDefaultLib*/ true, /*ignoreNoDefaultLib*/ false);
- });
- }
- }
- missingFilePaths = ts.arrayFrom(ts.mapDefinedIterator(filesByName.entries(), function (_a) {
- var path = _a[0], file = _a[1];
- return file === undefined ? path : undefined;
- }));
- files = ts.stableSort(processingDefaultLibFiles, compareDefaultLibFiles).concat(processingOtherFiles);
- processingDefaultLibFiles = undefined;
- processingOtherFiles = undefined;
- }
- ts.Debug.assert(!!missingFilePaths);
- // Release any files we have acquired in the old program but are
- // not part of the new program.
- if (oldProgram && host.onReleaseOldSourceFile) {
- var oldSourceFiles = oldProgram.getSourceFiles();
- for (var _g = 0, oldSourceFiles_1 = oldSourceFiles; _g < oldSourceFiles_1.length; _g++) {
- var oldSourceFile = oldSourceFiles_1[_g];
- var newFile = getSourceFileByPath(oldSourceFile.resolvedPath);
- if (shouldCreateNewSourceFile || !newFile ||
- // old file wasnt redirect but new file is
- (oldSourceFile.resolvedPath === oldSourceFile.path && newFile.resolvedPath !== oldSourceFile.path)) {
- host.onReleaseOldSourceFile(oldSourceFile, oldProgram.getCompilerOptions(), !!getSourceFileByPath(oldSourceFile.path));
- }
- }
- oldProgram.forEachResolvedProjectReference(function (resolvedProjectReference, resolvedProjectReferencePath) {
- if (resolvedProjectReference && !getResolvedProjectReferenceByPath(resolvedProjectReferencePath)) {
- host.onReleaseOldSourceFile(resolvedProjectReference.sourceFile, oldProgram.getCompilerOptions(), /*hasSourceFileByPath*/ false);
- }
- });
- }
- // unconditionally set oldProgram to undefined to prevent it from being captured in closure
- oldProgram = undefined;
- var program = {
- getRootFileNames: function () { return rootNames; },
- getSourceFile: getSourceFile,
- getSourceFileByPath: getSourceFileByPath,
- getSourceFiles: function () { return files; },
- getMissingFilePaths: function () { return missingFilePaths; },
- getRefFileMap: function () { return refFileMap; },
- getFilesByNameMap: function () { return filesByName; },
- getCompilerOptions: function () { return options; },
- getSyntacticDiagnostics: getSyntacticDiagnostics,
- getOptionsDiagnostics: getOptionsDiagnostics,
- getGlobalDiagnostics: getGlobalDiagnostics,
- getSemanticDiagnostics: getSemanticDiagnostics,
- getSuggestionDiagnostics: getSuggestionDiagnostics,
- getDeclarationDiagnostics: getDeclarationDiagnostics,
- getBindAndCheckDiagnostics: getBindAndCheckDiagnostics,
- getProgramDiagnostics: getProgramDiagnostics,
- getTypeChecker: getTypeChecker,
- getClassifiableNames: getClassifiableNames,
- getDiagnosticsProducingTypeChecker: getDiagnosticsProducingTypeChecker,
- getCommonSourceDirectory: getCommonSourceDirectory,
- emit: emit,
- getCurrentDirectory: function () { return currentDirectory; },
- getNodeCount: function () { return getDiagnosticsProducingTypeChecker().getNodeCount(); },
- getIdentifierCount: function () { return getDiagnosticsProducingTypeChecker().getIdentifierCount(); },
- getSymbolCount: function () { return getDiagnosticsProducingTypeChecker().getSymbolCount(); },
- getTypeCount: function () { return getDiagnosticsProducingTypeChecker().getTypeCount(); },
- getInstantiationCount: function () { return getDiagnosticsProducingTypeChecker().getInstantiationCount(); },
- getRelationCacheSizes: function () { return getDiagnosticsProducingTypeChecker().getRelationCacheSizes(); },
- getFileProcessingDiagnostics: function () { return fileProcessingDiagnostics; },
- getResolvedTypeReferenceDirectives: function () { return resolvedTypeReferenceDirectives; },
- isSourceFileFromExternalLibrary: isSourceFileFromExternalLibrary,
- isSourceFileDefaultLibrary: isSourceFileDefaultLibrary,
- dropDiagnosticsProducingTypeChecker: dropDiagnosticsProducingTypeChecker,
- getSourceFileFromReference: getSourceFileFromReference,
- getLibFileFromReference: getLibFileFromReference,
- sourceFileToPackageName: sourceFileToPackageName,
- redirectTargetsMap: redirectTargetsMap,
- isEmittedFile: isEmittedFile,
- getConfigFileParsingDiagnostics: getConfigFileParsingDiagnostics,
- getResolvedModuleWithFailedLookupLocationsFromCache: getResolvedModuleWithFailedLookupLocationsFromCache,
- getProjectReferences: getProjectReferences,
- getResolvedProjectReferences: getResolvedProjectReferences,
- getProjectReferenceRedirect: getProjectReferenceRedirect,
- getResolvedProjectReferenceToRedirect: getResolvedProjectReferenceToRedirect,
- getResolvedProjectReferenceByPath: getResolvedProjectReferenceByPath,
- forEachResolvedProjectReference: forEachResolvedProjectReference,
- isSourceOfProjectReferenceRedirect: isSourceOfProjectReferenceRedirect,
- emitBuildInfo: emitBuildInfo,
- fileExists: fileExists,
- getProbableSymlinks: getProbableSymlinks,
- useCaseSensitiveFileNames: function () { return host.useCaseSensitiveFileNames(); },
- };
- onProgramCreateComplete();
- verifyCompilerOptions();
- ts.performance.mark("afterProgram");
- ts.performance.measure("Program", "beforeProgram", "afterProgram");
- return program;
- function resolveModuleNamesWorker(moduleNames, containingFile, reusedNames, redirectedReference) {
- ts.performance.mark("beforeResolveModule");
- var result = actualResolveModuleNamesWorker(moduleNames, containingFile, reusedNames, redirectedReference);
- ts.performance.mark("afterResolveModule");
- ts.performance.measure("ResolveModule", "beforeResolveModule", "afterResolveModule");
- return result;
- }
- function resolveTypeReferenceDirectiveNamesWorker(typeDirectiveNames, containingFile, redirectedReference) {
- ts.performance.mark("beforeResolveTypeReference");
- var result = actualResolveTypeReferenceDirectiveNamesWorker(typeDirectiveNames, containingFile, redirectedReference);
- ts.performance.mark("afterResolveTypeReference");
- ts.performance.measure("ResolveTypeReference", "beforeResolveTypeReference", "afterResolveTypeReference");
- return result;
- }
- function compareDefaultLibFiles(a, b) {
- return ts.compareValues(getDefaultLibFilePriority(a), getDefaultLibFilePriority(b));
- }
- function getDefaultLibFilePriority(a) {
- if (ts.containsPath(defaultLibraryPath, a.fileName, /*ignoreCase*/ false)) {
- var basename = ts.getBaseFileName(a.fileName);
- if (basename === "lib.d.ts" || basename === "lib.es6.d.ts")
- return 0;
- var name = ts.removeSuffix(ts.removePrefix(basename, "lib."), ".d.ts");
- var index = ts.libs.indexOf(name);
- if (index !== -1)
- return index + 1;
- }
- return ts.libs.length + 2;
- }
- function getResolvedModuleWithFailedLookupLocationsFromCache(moduleName, containingFile) {
- return moduleResolutionCache && ts.resolveModuleNameFromCache(moduleName, containingFile, moduleResolutionCache);
- }
- function toPath(fileName) {
- return ts.toPath(fileName, currentDirectory, getCanonicalFileName);
- }
- function getCommonSourceDirectory() {
- if (commonSourceDirectory === undefined) {
- var emittedFiles = ts.filter(files, function (file) { return ts.sourceFileMayBeEmitted(file, program); });
- if (options.rootDir && checkSourceFilesBelongToPath(emittedFiles, options.rootDir)) {
- // If a rootDir is specified use it as the commonSourceDirectory
- commonSourceDirectory = ts.getNormalizedAbsolutePath(options.rootDir, currentDirectory);
- }
- else if (options.composite && options.configFilePath) {
- // Project compilations never infer their root from the input source paths
- commonSourceDirectory = ts.getDirectoryPath(ts.normalizeSlashes(options.configFilePath));
- checkSourceFilesBelongToPath(emittedFiles, commonSourceDirectory);
- }
- else {
- commonSourceDirectory = computeCommonSourceDirectory(emittedFiles);
- }
- if (commonSourceDirectory && commonSourceDirectory[commonSourceDirectory.length - 1] !== ts.directorySeparator) {
- // Make sure directory path ends with directory separator so this string can directly
- // used to replace with "" to get the relative path of the source file and the relative path doesn't
- // start with / making it rooted path
- commonSourceDirectory += ts.directorySeparator;
- }
- }
- return commonSourceDirectory;
- }
- function getClassifiableNames() {
- if (!classifiableNames) {
- // Initialize a checker so that all our files are bound.
- getTypeChecker();
- classifiableNames = ts.createUnderscoreEscapedMap();
- for (var _i = 0, files_2 = files; _i < files_2.length; _i++) {
- var sourceFile = files_2[_i];
- ts.copyEntries(sourceFile.classifiableNames, classifiableNames);
- }
- }
- return classifiableNames;
- }
- function resolveModuleNamesReusingOldState(moduleNames, containingFile, file) {
- if (structuralIsReused === 0 /* Not */ && !file.ambientModuleNames.length) {
- // If the old program state does not permit reusing resolutions and `file` does not contain locally defined ambient modules,
- // the best we can do is fallback to the default logic.
- return resolveModuleNamesWorker(moduleNames, containingFile, /*reusedNames*/ undefined, getResolvedProjectReferenceToRedirect(file.originalFileName));
- }
- var oldSourceFile = oldProgram && oldProgram.getSourceFile(containingFile);
- if (oldSourceFile !== file && file.resolvedModules) {
- // `file` was created for the new program.
- //
- // We only set `file.resolvedModules` via work from the current function,
- // so it is defined iff we already called the current function on `file`.
- // That call happened no later than the creation of the `file` object,
- // which per above occurred during the current program creation.
- // Since we assume the filesystem does not change during program creation,
- // it is safe to reuse resolutions from the earlier call.
- var result_11 = [];
- for (var _i = 0, moduleNames_1 = moduleNames; _i < moduleNames_1.length; _i++) {
- var moduleName = moduleNames_1[_i];
- var resolvedModule = file.resolvedModules.get(moduleName);
- result_11.push(resolvedModule);
- }
- return result_11;
- }
- // At this point, we know at least one of the following hold:
- // - file has local declarations for ambient modules
- // - old program state is available
- // With this information, we can infer some module resolutions without performing resolution.
- /** An ordered list of module names for which we cannot recover the resolution. */
- var unknownModuleNames;
- /**
- * The indexing of elements in this list matches that of `moduleNames`.
- *
- * Before combining results, result[i] is in one of the following states:
- * * undefined: needs to be recomputed,
- * * predictedToResolveToAmbientModuleMarker: known to be an ambient module.
- * Needs to be reset to undefined before returning,
- * * ResolvedModuleFull instance: can be reused.
- */
- var result;
- var reusedNames;
- /** A transient placeholder used to mark predicted resolution in the result list. */
- var predictedToResolveToAmbientModuleMarker = {};
- for (var i = 0; i < moduleNames.length; i++) {
- var moduleName = moduleNames[i];
- // If the source file is unchanged and doesnt have invalidated resolution, reuse the module resolutions
- if (file === oldSourceFile && !hasInvalidatedResolution(oldSourceFile.path)) {
- var oldResolvedModule = oldSourceFile && oldSourceFile.resolvedModules.get(moduleName);
- if (oldResolvedModule) {
- if (ts.isTraceEnabled(options, host)) {
- ts.trace(host, ts.Diagnostics.Reusing_resolution_of_module_0_to_file_1_from_old_program, moduleName, containingFile);
- }
- (result || (result = new Array(moduleNames.length)))[i] = oldResolvedModule;
- (reusedNames || (reusedNames = [])).push(moduleName);
- continue;
- }
- }
- // We know moduleName resolves to an ambient module provided that moduleName:
- // - is in the list of ambient modules locally declared in the current source file.
- // - resolved to an ambient module in the old program whose declaration is in an unmodified file
- // (so the same module declaration will land in the new program)
- var resolvesToAmbientModuleInNonModifiedFile = false;
- if (ts.contains(file.ambientModuleNames, moduleName)) {
- resolvesToAmbientModuleInNonModifiedFile = true;
- if (ts.isTraceEnabled(options, host)) {
- ts.trace(host, ts.Diagnostics.Module_0_was_resolved_as_locally_declared_ambient_module_in_file_1, moduleName, containingFile);
- }
- }
- else {
- resolvesToAmbientModuleInNonModifiedFile = moduleNameResolvesToAmbientModuleInNonModifiedFile(moduleName);
- }
- if (resolvesToAmbientModuleInNonModifiedFile) {
- (result || (result = new Array(moduleNames.length)))[i] = predictedToResolveToAmbientModuleMarker;
- }
- else {
- // Resolution failed in the old program, or resolved to an ambient module for which we can't reuse the result.
- (unknownModuleNames || (unknownModuleNames = [])).push(moduleName);
- }
- }
- var resolutions = unknownModuleNames && unknownModuleNames.length
- ? resolveModuleNamesWorker(unknownModuleNames, containingFile, reusedNames, getResolvedProjectReferenceToRedirect(file.originalFileName))
- : ts.emptyArray;
- // Combine results of resolutions and predicted results
- if (!result) {
- // There were no unresolved/ambient resolutions.
- ts.Debug.assert(resolutions.length === moduleNames.length);
- return resolutions;
- }
- var j = 0;
- for (var i = 0; i < result.length; i++) {
- if (result[i]) {
- // `result[i]` is either a `ResolvedModuleFull` or a marker.
- // If it is the former, we can leave it as is.
- if (result[i] === predictedToResolveToAmbientModuleMarker) {
- result[i] = undefined; // TODO: GH#18217
- }
- }
- else {
- result[i] = resolutions[j];
- j++;
- }
- }
- ts.Debug.assert(j === resolutions.length);
- return result;
- // If we change our policy of rechecking failed lookups on each program create,
- // we should adjust the value returned here.
- function moduleNameResolvesToAmbientModuleInNonModifiedFile(moduleName) {
- var resolutionToFile = ts.getResolvedModule(oldSourceFile, moduleName);
- var resolvedFile = resolutionToFile && oldProgram.getSourceFile(resolutionToFile.resolvedFileName);
- if (resolutionToFile && resolvedFile) {
- // In the old program, we resolved to an ambient module that was in the same
- // place as we expected to find an actual module file.
- // We actually need to return 'false' here even though this seems like a 'true' case
- // because the normal module resolution algorithm will find this anyway.
- return false;
- }
- // at least one of declarations should come from non-modified source file
- var unmodifiedFile = ambientModuleNameToUnmodifiedFileName.get(moduleName);
- if (!unmodifiedFile) {
- return false;
- }
- if (ts.isTraceEnabled(options, host)) {
- ts.trace(host, ts.Diagnostics.Module_0_was_resolved_as_ambient_module_declared_in_1_since_this_file_was_not_modified, moduleName, unmodifiedFile);
- }
- return true;
- }
- }
- function canReuseProjectReferences() {
- return !forEachProjectReference(oldProgram.getProjectReferences(), oldProgram.getResolvedProjectReferences(), function (oldResolvedRef, index, parent) {
- var newRef = (parent ? parent.commandLine.projectReferences : projectReferences)[index];
- var newResolvedRef = parseProjectReferenceConfigFile(newRef);
- if (oldResolvedRef) {
- // Resolved project reference has gone missing or changed
- return !newResolvedRef || newResolvedRef.sourceFile !== oldResolvedRef.sourceFile;
- }
- else {
- // A previously-unresolved reference may be resolved now
- return newResolvedRef !== undefined;
- }
- }, function (oldProjectReferences, parent) {
- // If array of references is changed, we cant resue old program
- var newReferences = parent ? getResolvedProjectReferenceByPath(parent.sourceFile.path).commandLine.projectReferences : projectReferences;
- return !ts.arrayIsEqualTo(oldProjectReferences, newReferences, ts.projectReferenceIsEqualTo);
- });
- }
- function tryReuseStructureFromOldProgram() {
- if (!oldProgram) {
- return 0 /* Not */;
- }
- // check properties that can affect structure of the program or module resolution strategy
- // if any of these properties has changed - structure cannot be reused
- var oldOptions = oldProgram.getCompilerOptions();
- if (ts.changesAffectModuleResolution(oldOptions, options)) {
- return oldProgram.structureIsReused = 0 /* Not */;
- }
- ts.Debug.assert(!(oldProgram.structureIsReused & (2 /* Completely */ | 1 /* SafeModules */)));
- // there is an old program, check if we can reuse its structure
- var oldRootNames = oldProgram.getRootFileNames();
- if (!ts.arrayIsEqualTo(oldRootNames, rootNames)) {
- return oldProgram.structureIsReused = 0 /* Not */;
- }
- if (!ts.arrayIsEqualTo(options.types, oldOptions.types)) {
- return oldProgram.structureIsReused = 0 /* Not */;
- }
- // Check if any referenced project tsconfig files are different
- if (!canReuseProjectReferences()) {
- return oldProgram.structureIsReused = 0 /* Not */;
- }
- if (projectReferences) {
- resolvedProjectReferences = projectReferences.map(parseProjectReferenceConfigFile);
- }
- // check if program source files has changed in the way that can affect structure of the program
- var newSourceFiles = [];
- var modifiedSourceFiles = [];
- oldProgram.structureIsReused = 2 /* Completely */;
- // If the missing file paths are now present, it can change the progam structure,
- // and hence cant reuse the structure.
- // This is same as how we dont reuse the structure if one of the file from old program is now missing
- if (oldProgram.getMissingFilePaths().some(function (missingFilePath) { return host.fileExists(missingFilePath); })) {
- return oldProgram.structureIsReused = 0 /* Not */;
- }
- var oldSourceFiles = oldProgram.getSourceFiles();
- var SeenPackageName;
- (function (SeenPackageName) {
- SeenPackageName[SeenPackageName["Exists"] = 0] = "Exists";
- SeenPackageName[SeenPackageName["Modified"] = 1] = "Modified";
- })(SeenPackageName || (SeenPackageName = {}));
- var seenPackageNames = ts.createMap();
- for (var _i = 0, oldSourceFiles_2 = oldSourceFiles; _i < oldSourceFiles_2.length; _i++) {
- var oldSourceFile = oldSourceFiles_2[_i];
- var newSourceFile = host.getSourceFileByPath
- ? host.getSourceFileByPath(oldSourceFile.fileName, oldSourceFile.resolvedPath, options.target, /*onError*/ undefined, shouldCreateNewSourceFile)
- : host.getSourceFile(oldSourceFile.fileName, options.target, /*onError*/ undefined, shouldCreateNewSourceFile); // TODO: GH#18217
- if (!newSourceFile) {
- return oldProgram.structureIsReused = 0 /* Not */;
- }
- ts.Debug.assert(!newSourceFile.redirectInfo, "Host should not return a redirect source file from `getSourceFile`");
- var fileChanged = void 0;
- if (oldSourceFile.redirectInfo) {
- // We got `newSourceFile` by path, so it is actually for the unredirected file.
- // This lets us know if the unredirected file has changed. If it has we should break the redirect.
- if (newSourceFile !== oldSourceFile.redirectInfo.unredirected) {
- // Underlying file has changed. Might not redirect anymore. Must rebuild program.
- return oldProgram.structureIsReused = 0 /* Not */;
- }
- fileChanged = false;
- newSourceFile = oldSourceFile; // Use the redirect.
- }
- else if (oldProgram.redirectTargetsMap.has(oldSourceFile.path)) {
- // If a redirected-to source file changes, the redirect may be broken.
- if (newSourceFile !== oldSourceFile) {
- return oldProgram.structureIsReused = 0 /* Not */;
- }
- fileChanged = false;
- }
- else {
- fileChanged = newSourceFile !== oldSourceFile;
- }
- // Since the project references havent changed, its right to set originalFileName and resolvedPath here
- newSourceFile.path = oldSourceFile.path;
- newSourceFile.originalFileName = oldSourceFile.originalFileName;
- newSourceFile.resolvedPath = oldSourceFile.resolvedPath;
- newSourceFile.fileName = oldSourceFile.fileName;
- var packageName = oldProgram.sourceFileToPackageName.get(oldSourceFile.path);
- if (packageName !== undefined) {
- // If there are 2 different source files for the same package name and at least one of them changes,
- // they might become redirects. So we must rebuild the program.
- var prevKind = seenPackageNames.get(packageName);
- var newKind = fileChanged ? 1 /* Modified */ : 0 /* Exists */;
- if ((prevKind !== undefined && newKind === 1 /* Modified */) || prevKind === 1 /* Modified */) {
- return oldProgram.structureIsReused = 0 /* Not */;
- }
- seenPackageNames.set(packageName, newKind);
- }
- if (fileChanged) {
- // The `newSourceFile` object was created for the new program.
- if (!ts.arrayIsEqualTo(oldSourceFile.libReferenceDirectives, newSourceFile.libReferenceDirectives, fileReferenceIsEqualTo)) {
- // 'lib' references has changed. Matches behavior in changesAffectModuleResolution
- return oldProgram.structureIsReused = 0 /* Not */;
- }
- if (oldSourceFile.hasNoDefaultLib !== newSourceFile.hasNoDefaultLib) {
- // value of no-default-lib has changed
- // this will affect if default library is injected into the list of files
- oldProgram.structureIsReused = 1 /* SafeModules */;
- }
- // check tripleslash references
- if (!ts.arrayIsEqualTo(oldSourceFile.referencedFiles, newSourceFile.referencedFiles, fileReferenceIsEqualTo)) {
- // tripleslash references has changed
- oldProgram.structureIsReused = 1 /* SafeModules */;
- }
- // check imports and module augmentations
- collectExternalModuleReferences(newSourceFile);
- if (!ts.arrayIsEqualTo(oldSourceFile.imports, newSourceFile.imports, moduleNameIsEqualTo)) {
- // imports has changed
- oldProgram.structureIsReused = 1 /* SafeModules */;
- }
- if (!ts.arrayIsEqualTo(oldSourceFile.moduleAugmentations, newSourceFile.moduleAugmentations, moduleNameIsEqualTo)) {
- // moduleAugmentations has changed
- oldProgram.structureIsReused = 1 /* SafeModules */;
- }
- if ((oldSourceFile.flags & 3145728 /* PermanentlySetIncrementalFlags */) !== (newSourceFile.flags & 3145728 /* PermanentlySetIncrementalFlags */)) {
- // dynamicImport has changed
- oldProgram.structureIsReused = 1 /* SafeModules */;
- }
- if (!ts.arrayIsEqualTo(oldSourceFile.typeReferenceDirectives, newSourceFile.typeReferenceDirectives, fileReferenceIsEqualTo)) {
- // 'types' references has changed
- oldProgram.structureIsReused = 1 /* SafeModules */;
- }
- // tentatively approve the file
- modifiedSourceFiles.push({ oldFile: oldSourceFile, newFile: newSourceFile });
- }
- else if (hasInvalidatedResolution(oldSourceFile.path)) {
- // 'module/types' references could have changed
- oldProgram.structureIsReused = 1 /* SafeModules */;
- // add file to the modified list so that we will resolve it later
- modifiedSourceFiles.push({ oldFile: oldSourceFile, newFile: newSourceFile });
- }
- // if file has passed all checks it should be safe to reuse it
- newSourceFiles.push(newSourceFile);
- }
- if (oldProgram.structureIsReused !== 2 /* Completely */) {
- return oldProgram.structureIsReused;
- }
- var modifiedFiles = modifiedSourceFiles.map(function (f) { return f.oldFile; });
- for (var _a = 0, oldSourceFiles_3 = oldSourceFiles; _a < oldSourceFiles_3.length; _a++) {
- var oldFile = oldSourceFiles_3[_a];
- if (!ts.contains(modifiedFiles, oldFile)) {
- for (var _b = 0, _c = oldFile.ambientModuleNames; _b < _c.length; _b++) {
- var moduleName = _c[_b];
- ambientModuleNameToUnmodifiedFileName.set(moduleName, oldFile.fileName);
- }
- }
- }
- // try to verify results of module resolution
- for (var _d = 0, modifiedSourceFiles_1 = modifiedSourceFiles; _d < modifiedSourceFiles_1.length; _d++) {
- var _e = modifiedSourceFiles_1[_d], oldSourceFile = _e.oldFile, newSourceFile = _e.newFile;
- var newSourceFilePath = ts.getNormalizedAbsolutePath(newSourceFile.originalFileName, currentDirectory);
- var moduleNames = getModuleNames(newSourceFile);
- var resolutions = resolveModuleNamesReusingOldState(moduleNames, newSourceFilePath, newSourceFile);
- // ensure that module resolution results are still correct
- var resolutionsChanged = ts.hasChangesInResolutions(moduleNames, resolutions, oldSourceFile.resolvedModules, ts.moduleResolutionIsEqualTo);
- if (resolutionsChanged) {
- oldProgram.structureIsReused = 1 /* SafeModules */;
- newSourceFile.resolvedModules = ts.zipToMap(moduleNames, resolutions);
- }
- else {
- newSourceFile.resolvedModules = oldSourceFile.resolvedModules;
- }
- if (resolveTypeReferenceDirectiveNamesWorker) {
- // We lower-case all type references because npm automatically lowercases all packages. See GH#9824.
- var typesReferenceDirectives = ts.map(newSourceFile.typeReferenceDirectives, function (ref) { return ts.toFileNameLowerCase(ref.fileName); });
- var resolutions_1 = resolveTypeReferenceDirectiveNamesWorker(typesReferenceDirectives, newSourceFilePath, getResolvedProjectReferenceToRedirect(newSourceFile.originalFileName));
- // ensure that types resolutions are still correct
- var resolutionsChanged_1 = ts.hasChangesInResolutions(typesReferenceDirectives, resolutions_1, oldSourceFile.resolvedTypeReferenceDirectiveNames, ts.typeDirectiveIsEqualTo);
- if (resolutionsChanged_1) {
- oldProgram.structureIsReused = 1 /* SafeModules */;
- newSourceFile.resolvedTypeReferenceDirectiveNames = ts.zipToMap(typesReferenceDirectives, resolutions_1);
- }
- else {
- newSourceFile.resolvedTypeReferenceDirectiveNames = oldSourceFile.resolvedTypeReferenceDirectiveNames;
- }
- }
- }
- if (oldProgram.structureIsReused !== 2 /* Completely */) {
- return oldProgram.structureIsReused;
- }
- if (host.hasChangedAutomaticTypeDirectiveNames) {
- return oldProgram.structureIsReused = 1 /* SafeModules */;
- }
- missingFilePaths = oldProgram.getMissingFilePaths();
- refFileMap = oldProgram.getRefFileMap();
- // update fileName -> file mapping
- ts.Debug.assert(newSourceFiles.length === oldProgram.getSourceFiles().length);
- for (var _f = 0, newSourceFiles_1 = newSourceFiles; _f < newSourceFiles_1.length; _f++) {
- var newSourceFile = newSourceFiles_1[_f];
- filesByName.set(newSourceFile.path, newSourceFile);
- }
- var oldFilesByNameMap = oldProgram.getFilesByNameMap();
- oldFilesByNameMap.forEach(function (oldFile, path) {
- if (!oldFile) {
- filesByName.set(path, oldFile);
- return;
- }
- if (oldFile.path === path) {
- // Set the file as found during node modules search if it was found that way in old progra,
- if (oldProgram.isSourceFileFromExternalLibrary(oldFile)) {
- sourceFilesFoundSearchingNodeModules.set(oldFile.path, true);
- }
- return;
- }
- filesByName.set(path, filesByName.get(oldFile.path));
- });
- files = newSourceFiles;
- fileProcessingDiagnostics = oldProgram.getFileProcessingDiagnostics();
- for (var _g = 0, modifiedSourceFiles_2 = modifiedSourceFiles; _g < modifiedSourceFiles_2.length; _g++) {
- var modifiedFile = modifiedSourceFiles_2[_g];
- fileProcessingDiagnostics.reattachFileDiagnostics(modifiedFile.newFile);
- }
- resolvedTypeReferenceDirectives = oldProgram.getResolvedTypeReferenceDirectives();
- sourceFileToPackageName = oldProgram.sourceFileToPackageName;
- redirectTargetsMap = oldProgram.redirectTargetsMap;
- return oldProgram.structureIsReused = 2 /* Completely */;
- }
- function getEmitHost(writeFileCallback) {
- return {
- getPrependNodes: getPrependNodes,
- getCanonicalFileName: getCanonicalFileName,
- getCommonSourceDirectory: program.getCommonSourceDirectory,
- getCompilerOptions: program.getCompilerOptions,
- getCurrentDirectory: function () { return currentDirectory; },
- getNewLine: function () { return host.getNewLine(); },
- getSourceFile: program.getSourceFile,
- getSourceFileByPath: program.getSourceFileByPath,
- getSourceFiles: program.getSourceFiles,
- getLibFileFromReference: program.getLibFileFromReference,
- isSourceFileFromExternalLibrary: isSourceFileFromExternalLibrary,
- getResolvedProjectReferenceToRedirect: getResolvedProjectReferenceToRedirect,
- getProjectReferenceRedirect: getProjectReferenceRedirect,
- isSourceOfProjectReferenceRedirect: isSourceOfProjectReferenceRedirect,
- getProbableSymlinks: getProbableSymlinks,
- writeFile: writeFileCallback || (function (fileName, data, writeByteOrderMark, onError, sourceFiles) { return host.writeFile(fileName, data, writeByteOrderMark, onError, sourceFiles); }),
- isEmitBlocked: isEmitBlocked,
- readFile: function (f) { return host.readFile(f); },
- fileExists: function (f) {
- // Use local caches
- var path = toPath(f);
- if (getSourceFileByPath(path))
- return true;
- if (ts.contains(missingFilePaths, path))
- return false;
- // Before falling back to the host
- return host.fileExists(f);
- },
- useCaseSensitiveFileNames: function () { return host.useCaseSensitiveFileNames(); },
- getProgramBuildInfo: function () { return program.getProgramBuildInfo && program.getProgramBuildInfo(); },
- getSourceFileFromReference: function (file, ref) { return program.getSourceFileFromReference(file, ref); },
- redirectTargetsMap: redirectTargetsMap,
- };
- }
- function emitBuildInfo(writeFileCallback) {
- ts.Debug.assert(!options.out && !options.outFile);
- ts.performance.mark("beforeEmit");
- var emitResult = ts.emitFiles(ts.notImplementedResolver, getEmitHost(writeFileCallback),
- /*targetSourceFile*/ undefined,
- /*transformers*/ ts.noTransformers,
- /*emitOnlyDtsFiles*/ false,
- /*onlyBuildInfo*/ true);
- ts.performance.mark("afterEmit");
- ts.performance.measure("Emit", "beforeEmit", "afterEmit");
- return emitResult;
- }
- function getResolvedProjectReferences() {
- return resolvedProjectReferences;
- }
- function getProjectReferences() {
- return projectReferences;
- }
- function getPrependNodes() {
- return createPrependNodes(projectReferences, function (_ref, index) { return resolvedProjectReferences[index].commandLine; }, function (fileName) {
- var path = toPath(fileName);
- var sourceFile = getSourceFileByPath(path);
- return sourceFile ? sourceFile.text : filesByName.has(path) ? undefined : host.readFile(path);
- });
- }
- function isSourceFileFromExternalLibrary(file) {
- return !!sourceFilesFoundSearchingNodeModules.get(file.path);
- }
- function isSourceFileDefaultLibrary(file) {
- if (file.hasNoDefaultLib) {
- return true;
- }
- if (!options.noLib) {
- return false;
- }
- // If '--lib' is not specified, include default library file according to '--target'
- // otherwise, using options specified in '--lib' instead of '--target' default library file
- var equalityComparer = host.useCaseSensitiveFileNames() ? ts.equateStringsCaseSensitive : ts.equateStringsCaseInsensitive;
- if (!options.lib) {
- return equalityComparer(file.fileName, getDefaultLibraryFileName());
- }
- else {
- return ts.some(options.lib, function (libFileName) { return equalityComparer(file.fileName, ts.combinePaths(defaultLibraryPath, libFileName)); });
- }
- }
- function getDiagnosticsProducingTypeChecker() {
- return diagnosticsProducingTypeChecker || (diagnosticsProducingTypeChecker = ts.createTypeChecker(program, /*produceDiagnostics:*/ true));
- }
- function dropDiagnosticsProducingTypeChecker() {
- diagnosticsProducingTypeChecker = undefined;
- }
- function getTypeChecker() {
- return noDiagnosticsTypeChecker || (noDiagnosticsTypeChecker = ts.createTypeChecker(program, /*produceDiagnostics:*/ false));
- }
- function emit(sourceFile, writeFileCallback, cancellationToken, emitOnlyDtsFiles, transformers, forceDtsEmit) {
- return runWithCancellationToken(function () { return emitWorker(program, sourceFile, writeFileCallback, cancellationToken, emitOnlyDtsFiles, transformers, forceDtsEmit); });
- }
- function isEmitBlocked(emitFileName) {
- return hasEmitBlockingDiagnostics.has(toPath(emitFileName));
- }
- function emitWorker(program, sourceFile, writeFileCallback, cancellationToken, emitOnlyDtsFiles, customTransformers, forceDtsEmit) {
- if (!forceDtsEmit) {
- var result = handleNoEmitOptions(program, sourceFile, cancellationToken);
- if (result)
- return result;
- }
- // Create the emit resolver outside of the "emitTime" tracking code below. That way
- // any cost associated with it (like type checking) are appropriate associated with
- // the type-checking counter.
- //
- // If the -out option is specified, we should not pass the source file to getEmitResolver.
- // This is because in the -out scenario all files need to be emitted, and therefore all
- // files need to be type checked. And the way to specify that all files need to be type
- // checked is to not pass the file to getEmitResolver.
- var emitResolver = getDiagnosticsProducingTypeChecker().getEmitResolver((options.outFile || options.out) ? undefined : sourceFile, cancellationToken);
- ts.performance.mark("beforeEmit");
- var emitResult = ts.emitFiles(emitResolver, getEmitHost(writeFileCallback), sourceFile, ts.getTransformers(options, customTransformers, emitOnlyDtsFiles), emitOnlyDtsFiles,
- /*onlyBuildInfo*/ false, forceDtsEmit);
- ts.performance.mark("afterEmit");
- ts.performance.measure("Emit", "beforeEmit", "afterEmit");
- return emitResult;
- }
- function getSourceFile(fileName) {
- return getSourceFileByPath(toPath(fileName));
- }
- function getSourceFileByPath(path) {
- return filesByName.get(path) || undefined;
- }
- function getDiagnosticsHelper(sourceFile, getDiagnostics, cancellationToken) {
- if (sourceFile) {
- return getDiagnostics(sourceFile, cancellationToken);
- }
- return ts.sortAndDeduplicateDiagnostics(ts.flatMap(program.getSourceFiles(), function (sourceFile) {
- if (cancellationToken) {
- cancellationToken.throwIfCancellationRequested();
- }
- return getDiagnostics(sourceFile, cancellationToken);
- }));
- }
- function getSyntacticDiagnostics(sourceFile, cancellationToken) {
- return getDiagnosticsHelper(sourceFile, getSyntacticDiagnosticsForFile, cancellationToken);
- }
- function getSemanticDiagnostics(sourceFile, cancellationToken) {
- return getDiagnosticsHelper(sourceFile, getSemanticDiagnosticsForFile, cancellationToken);
- }
- function getBindAndCheckDiagnostics(sourceFile, cancellationToken) {
- return getBindAndCheckDiagnosticsForFile(sourceFile, cancellationToken);
- }
- function getProgramDiagnostics(sourceFile) {
- if (ts.skipTypeChecking(sourceFile, options, program)) {
- return ts.emptyArray;
- }
- var fileProcessingDiagnosticsInFile = fileProcessingDiagnostics.getDiagnostics(sourceFile.fileName);
- var programDiagnosticsInFile = programDiagnostics.getDiagnostics(sourceFile.fileName);
- return getMergedProgramDiagnostics(sourceFile, fileProcessingDiagnosticsInFile, programDiagnosticsInFile);
- }
- function getMergedProgramDiagnostics(sourceFile) {
- var _a;
- var allDiagnostics = [];
- for (var _i = 1; _i < arguments.length; _i++) {
- allDiagnostics[_i - 1] = arguments[_i];
- }
- var flatDiagnostics = ts.flatten(allDiagnostics);
- if (!((_a = sourceFile.commentDirectives) === null || _a === void 0 ? void 0 : _a.length)) {
- return flatDiagnostics;
- }
- return getDiagnosticsWithPrecedingDirectives(sourceFile, sourceFile.commentDirectives, flatDiagnostics).diagnostics;
- }
- function getDeclarationDiagnostics(sourceFile, cancellationToken) {
- var options = program.getCompilerOptions();
- // collect diagnostics from the program only once if either no source file was specified or out/outFile is set (bundled emit)
- if (!sourceFile || options.out || options.outFile) {
- return getDeclarationDiagnosticsWorker(sourceFile, cancellationToken);
- }
- else {
- return getDiagnosticsHelper(sourceFile, getDeclarationDiagnosticsForFile, cancellationToken);
- }
- }
- function getSyntacticDiagnosticsForFile(sourceFile) {
- // For JavaScript files, we report semantic errors for using TypeScript-only
- // constructs from within a JavaScript file as syntactic errors.
- if (ts.isSourceFileJS(sourceFile)) {
- if (!sourceFile.additionalSyntacticDiagnostics) {
- sourceFile.additionalSyntacticDiagnostics = getJSSyntacticDiagnosticsForFile(sourceFile);
- }
- return ts.concatenate(sourceFile.additionalSyntacticDiagnostics, sourceFile.parseDiagnostics);
- }
- return sourceFile.parseDiagnostics;
- }
- function runWithCancellationToken(func) {
- try {
- return func();
- }
- catch (e) {
- if (e instanceof ts.OperationCanceledException) {
- // We were canceled while performing the operation. Because our type checker
- // might be a bad state, we need to throw it away.
- //
- // Note: we are overly aggressive here. We do not actually *have* to throw away
- // the "noDiagnosticsTypeChecker". However, for simplicity, i'd like to keep
- // the lifetimes of these two TypeCheckers the same. Also, we generally only
- // cancel when the user has made a change anyways. And, in that case, we (the
- // program instance) will get thrown away anyways. So trying to keep one of
- // these type checkers alive doesn't serve much purpose.
- noDiagnosticsTypeChecker = undefined;
- diagnosticsProducingTypeChecker = undefined;
- }
- throw e;
- }
- }
- function getSemanticDiagnosticsForFile(sourceFile, cancellationToken) {
- return ts.concatenate(getBindAndCheckDiagnosticsForFile(sourceFile, cancellationToken), getProgramDiagnostics(sourceFile));
- }
- function getBindAndCheckDiagnosticsForFile(sourceFile, cancellationToken) {
- return getAndCacheDiagnostics(sourceFile, cancellationToken, cachedBindAndCheckDiagnosticsForFile, getBindAndCheckDiagnosticsForFileNoCache);
- }
- function getBindAndCheckDiagnosticsForFileNoCache(sourceFile, cancellationToken) {
- return runWithCancellationToken(function () {
- if (ts.skipTypeChecking(sourceFile, options, program)) {
- return ts.emptyArray;
- }
- var typeChecker = getDiagnosticsProducingTypeChecker();
- ts.Debug.assert(!!sourceFile.bindDiagnostics);
- var isCheckJs = ts.isCheckJsEnabledForFile(sourceFile, options);
- var isTsNoCheck = !!sourceFile.checkJsDirective && sourceFile.checkJsDirective.enabled === false;
- // By default, only type-check .ts, .tsx, 'Deferred' and 'External' files (external files are added by plugins)
- var includeBindAndCheckDiagnostics = !isTsNoCheck && (sourceFile.scriptKind === 3 /* TS */ || sourceFile.scriptKind === 4 /* TSX */ ||
- sourceFile.scriptKind === 5 /* External */ || isCheckJs || sourceFile.scriptKind === 7 /* Deferred */);
- var bindDiagnostics = includeBindAndCheckDiagnostics ? sourceFile.bindDiagnostics : ts.emptyArray;
- var checkDiagnostics = includeBindAndCheckDiagnostics ? typeChecker.getDiagnostics(sourceFile, cancellationToken) : ts.emptyArray;
- return getMergedBindAndCheckDiagnostics(sourceFile, bindDiagnostics, checkDiagnostics, isCheckJs ? sourceFile.jsDocDiagnostics : undefined);
- });
- }
- function getMergedBindAndCheckDiagnostics(sourceFile) {
- var _a;
- var allDiagnostics = [];
- for (var _i = 1; _i < arguments.length; _i++) {
- allDiagnostics[_i - 1] = arguments[_i];
- }
- var flatDiagnostics = ts.flatten(allDiagnostics);
- if (!((_a = sourceFile.commentDirectives) === null || _a === void 0 ? void 0 : _a.length)) {
- return flatDiagnostics;
- }
- var _b = getDiagnosticsWithPrecedingDirectives(sourceFile, sourceFile.commentDirectives, flatDiagnostics), diagnostics = _b.diagnostics, directives = _b.directives;
- for (var _c = 0, _d = directives.getUnusedExpectations(); _c < _d.length; _c++) {
- var errorExpectation = _d[_c];
- diagnostics.push(ts.createDiagnosticForRange(sourceFile, errorExpectation.range, ts.Diagnostics.Unused_ts_expect_error_directive));
- }
- return diagnostics;
- }
- /**
- * Creates a map of comment directives along with the diagnostics immediately preceded by one of them.
- * Comments that match to any of those diagnostics are marked as used.
- */
- function getDiagnosticsWithPrecedingDirectives(sourceFile, commentDirectives, flatDiagnostics) {
- // Diagnostics are only reported if there is no comment directive preceding them
- // This will modify the directives map by marking "used" ones with a corresponding diagnostic
- var directives = ts.createCommentDirectivesMap(sourceFile, commentDirectives);
- var diagnostics = flatDiagnostics.filter(function (diagnostic) { return markPrecedingCommentDirectiveLine(diagnostic, directives) === -1; });
- return { diagnostics: diagnostics, directives: directives };
- }
- function getSuggestionDiagnostics(sourceFile, cancellationToken) {
- return runWithCancellationToken(function () {
- return getDiagnosticsProducingTypeChecker().getSuggestionDiagnostics(sourceFile, cancellationToken);
- });
- }
- /**
- * @returns The line index marked as preceding the diagnostic, or -1 if none was.
- */
- function markPrecedingCommentDirectiveLine(diagnostic, directives) {
- var file = diagnostic.file, start = diagnostic.start;
- if (!file) {
- return -1;
- }
- // Start out with the line just before the text
- var lineStarts = ts.getLineStarts(file);
- var line = ts.computeLineAndCharacterOfPosition(lineStarts, start).line - 1; // TODO: GH#18217
- while (line >= 0) {
- // As soon as that line is known to have a comment directive, use that
- if (directives.markUsed(line)) {
- return line;
- }
- // Stop searching if the line is not empty and not a comment
- var lineText = file.text.slice(lineStarts[line], lineStarts[line + 1]).trim();
- if (lineText !== "" && !/^(\s*)\/\/(.*)$/.test(lineText)) {
- return -1;
- }
- line--;
- }
- return -1;
- }
- function getJSSyntacticDiagnosticsForFile(sourceFile) {
- return runWithCancellationToken(function () {
- var diagnostics = [];
- walk(sourceFile, sourceFile);
- ts.forEachChildRecursively(sourceFile, walk, walkArray);
- return diagnostics;
- function walk(node, parent) {
- // Return directly from the case if the given node doesnt want to visit each child
- // Otherwise break to visit each child
- switch (parent.kind) {
- case 156 /* Parameter */:
- case 159 /* PropertyDeclaration */:
- case 161 /* MethodDeclaration */:
- if (parent.questionToken === node) {
- diagnostics.push(createDiagnosticForNode(node, ts.Diagnostics.The_0_modifier_can_only_be_used_in_TypeScript_files, "?"));
- return "skip";
- }
- // falls through
- case 160 /* MethodSignature */:
- case 162 /* Constructor */:
- case 163 /* GetAccessor */:
- case 164 /* SetAccessor */:
- case 201 /* FunctionExpression */:
- case 244 /* FunctionDeclaration */:
- case 202 /* ArrowFunction */:
- case 242 /* VariableDeclaration */:
- // type annotation
- if (parent.type === node) {
- diagnostics.push(createDiagnosticForNode(node, ts.Diagnostics.Type_annotations_can_only_be_used_in_TypeScript_files));
- return "skip";
- }
- }
- switch (node.kind) {
- case 255 /* ImportClause */:
- if (node.isTypeOnly) {
- diagnostics.push(createDiagnosticForNode(node.parent, ts.Diagnostics._0_declarations_can_only_be_used_in_TypeScript_files, "import type"));
- return "skip";
- }
- break;
- case 260 /* ExportDeclaration */:
- if (node.isTypeOnly) {
- diagnostics.push(createDiagnosticForNode(node, ts.Diagnostics._0_declarations_can_only_be_used_in_TypeScript_files, "export type"));
- return "skip";
- }
- break;
- case 253 /* ImportEqualsDeclaration */:
- diagnostics.push(createDiagnosticForNode(node, ts.Diagnostics.import_can_only_be_used_in_TypeScript_files));
- return "skip";
- case 259 /* ExportAssignment */:
- if (node.isExportEquals) {
- diagnostics.push(createDiagnosticForNode(node, ts.Diagnostics.export_can_only_be_used_in_TypeScript_files));
- return "skip";
- }
- break;
- case 279 /* HeritageClause */:
- var heritageClause = node;
- if (heritageClause.token === 113 /* ImplementsKeyword */) {
- diagnostics.push(createDiagnosticForNode(node, ts.Diagnostics.implements_clauses_can_only_be_used_in_TypeScript_files));
- return "skip";
- }
- break;
- case 246 /* InterfaceDeclaration */:
- var interfaceKeyword = ts.tokenToString(114 /* InterfaceKeyword */);
- ts.Debug.assertIsDefined(interfaceKeyword);
- diagnostics.push(createDiagnosticForNode(node, ts.Diagnostics._0_declarations_can_only_be_used_in_TypeScript_files, interfaceKeyword));
- return "skip";
- case 249 /* ModuleDeclaration */:
- var moduleKeyword = node.flags & 16 /* Namespace */ ? ts.tokenToString(136 /* NamespaceKeyword */) : ts.tokenToString(135 /* ModuleKeyword */);
- ts.Debug.assertIsDefined(moduleKeyword);
- diagnostics.push(createDiagnosticForNode(node, ts.Diagnostics._0_declarations_can_only_be_used_in_TypeScript_files, moduleKeyword));
- return "skip";
- case 247 /* TypeAliasDeclaration */:
- diagnostics.push(createDiagnosticForNode(node, ts.Diagnostics.Type_aliases_can_only_be_used_in_TypeScript_files));
- return "skip";
- case 248 /* EnumDeclaration */:
- var enumKeyword = ts.Debug.checkDefined(ts.tokenToString(88 /* EnumKeyword */));
- diagnostics.push(createDiagnosticForNode(node, ts.Diagnostics._0_declarations_can_only_be_used_in_TypeScript_files, enumKeyword));
- return "skip";
- case 218 /* NonNullExpression */:
- diagnostics.push(createDiagnosticForNode(node, ts.Diagnostics.Non_null_assertions_can_only_be_used_in_TypeScript_files));
- return "skip";
- case 217 /* AsExpression */:
- diagnostics.push(createDiagnosticForNode(node.type, ts.Diagnostics.Type_assertion_expressions_can_only_be_used_in_TypeScript_files));
- return "skip";
- case 199 /* TypeAssertionExpression */:
- ts.Debug.fail(); // Won't parse these in a JS file anyway, as they are interpreted as JSX.
- }
- }
- function walkArray(nodes, parent) {
- if (parent.decorators === nodes && !options.experimentalDecorators) {
- diagnostics.push(createDiagnosticForNode(parent, ts.Diagnostics.Experimental_support_for_decorators_is_a_feature_that_is_subject_to_change_in_a_future_release_Set_the_experimentalDecorators_option_in_your_tsconfig_or_jsconfig_to_remove_this_warning));
- }
- switch (parent.kind) {
- case 245 /* ClassDeclaration */:
- case 214 /* ClassExpression */:
- case 161 /* MethodDeclaration */:
- case 162 /* Constructor */:
- case 163 /* GetAccessor */:
- case 164 /* SetAccessor */:
- case 201 /* FunctionExpression */:
- case 244 /* FunctionDeclaration */:
- case 202 /* ArrowFunction */:
- // Check type parameters
- if (nodes === parent.typeParameters) {
- diagnostics.push(createDiagnosticForNodeArray(nodes, ts.Diagnostics.Type_parameter_declarations_can_only_be_used_in_TypeScript_files));
- return "skip";
- }
- // falls through
- case 225 /* VariableStatement */:
- // Check modifiers
- if (nodes === parent.modifiers) {
- checkModifiers(parent.modifiers, parent.kind === 225 /* VariableStatement */);
- return "skip";
- }
- break;
- case 159 /* PropertyDeclaration */:
- // Check modifiers of property declaration
- if (nodes === parent.modifiers) {
- for (var _i = 0, _a = nodes; _i < _a.length; _i++) {
- var modifier = _a[_i];
- if (modifier.kind !== 120 /* StaticKeyword */) {
- diagnostics.push(createDiagnosticForNode(modifier, ts.Diagnostics.The_0_modifier_can_only_be_used_in_TypeScript_files, ts.tokenToString(modifier.kind)));
- }
- }
- return "skip";
- }
- break;
- case 156 /* Parameter */:
- // Check modifiers of parameter declaration
- if (nodes === parent.modifiers) {
- diagnostics.push(createDiagnosticForNodeArray(nodes, ts.Diagnostics.Parameter_modifiers_can_only_be_used_in_TypeScript_files));
- return "skip";
- }
- break;
- case 196 /* CallExpression */:
- case 197 /* NewExpression */:
- case 216 /* ExpressionWithTypeArguments */:
- case 267 /* JsxSelfClosingElement */:
- case 268 /* JsxOpeningElement */:
- case 198 /* TaggedTemplateExpression */:
- // Check type arguments
- if (nodes === parent.typeArguments) {
- diagnostics.push(createDiagnosticForNodeArray(nodes, ts.Diagnostics.Type_arguments_can_only_be_used_in_TypeScript_files));
- return "skip";
- }
- break;
- }
- }
- function checkModifiers(modifiers, isConstValid) {
- for (var _i = 0, modifiers_1 = modifiers; _i < modifiers_1.length; _i++) {
- var modifier = modifiers_1[_i];
- switch (modifier.kind) {
- case 81 /* ConstKeyword */:
- if (isConstValid) {
- continue;
- }
- // to report error,
- // falls through
- case 119 /* PublicKeyword */:
- case 117 /* PrivateKeyword */:
- case 118 /* ProtectedKeyword */:
- case 138 /* ReadonlyKeyword */:
- case 130 /* DeclareKeyword */:
- case 122 /* AbstractKeyword */:
- diagnostics.push(createDiagnosticForNode(modifier, ts.Diagnostics.The_0_modifier_can_only_be_used_in_TypeScript_files, ts.tokenToString(modifier.kind)));
- break;
- // These are all legal modifiers.
- case 120 /* StaticKeyword */:
- case 89 /* ExportKeyword */:
- case 84 /* DefaultKeyword */:
- }
- }
- }
- function createDiagnosticForNodeArray(nodes, message, arg0, arg1, arg2) {
- var start = nodes.pos;
- return ts.createFileDiagnostic(sourceFile, start, nodes.end - start, message, arg0, arg1, arg2);
- }
- // Since these are syntactic diagnostics, parent might not have been set
- // this means the sourceFile cannot be infered from the node
- function createDiagnosticForNode(node, message, arg0, arg1, arg2) {
- return ts.createDiagnosticForNodeInSourceFile(sourceFile, node, message, arg0, arg1, arg2);
- }
- });
- }
- function getDeclarationDiagnosticsWorker(sourceFile, cancellationToken) {
- return getAndCacheDiagnostics(sourceFile, cancellationToken, cachedDeclarationDiagnosticsForFile, getDeclarationDiagnosticsForFileNoCache);
- }
- function getDeclarationDiagnosticsForFileNoCache(sourceFile, cancellationToken) {
- return runWithCancellationToken(function () {
- var resolver = getDiagnosticsProducingTypeChecker().getEmitResolver(sourceFile, cancellationToken);
- // Don't actually write any files since we're just getting diagnostics.
- return ts.getDeclarationDiagnostics(getEmitHost(ts.noop), resolver, sourceFile) || ts.emptyArray;
- });
- }
- function getAndCacheDiagnostics(sourceFile, cancellationToken, cache, getDiagnostics) {
- var cachedResult = sourceFile
- ? cache.perFile && cache.perFile.get(sourceFile.path)
- : cache.allDiagnostics;
- if (cachedResult) {
- return cachedResult;
- }
- var result = getDiagnostics(sourceFile, cancellationToken);
- if (sourceFile) {
- if (!cache.perFile) {
- cache.perFile = ts.createMap();
- }
- cache.perFile.set(sourceFile.path, result);
- }
- else {
- cache.allDiagnostics = result;
- }
- return result;
- }
- function getDeclarationDiagnosticsForFile(sourceFile, cancellationToken) {
- return sourceFile.isDeclarationFile ? [] : getDeclarationDiagnosticsWorker(sourceFile, cancellationToken);
- }
- function getOptionsDiagnostics() {
- return ts.sortAndDeduplicateDiagnostics(ts.concatenate(fileProcessingDiagnostics.getGlobalDiagnostics(), ts.concatenate(programDiagnostics.getGlobalDiagnostics(), getOptionsDiagnosticsOfConfigFile())));
- }
- function getOptionsDiagnosticsOfConfigFile() {
- if (!options.configFile) {
- return ts.emptyArray;
- }
- var diagnostics = programDiagnostics.getDiagnostics(options.configFile.fileName);
- forEachResolvedProjectReference(function (resolvedRef) {
- if (resolvedRef) {
- diagnostics = ts.concatenate(diagnostics, programDiagnostics.getDiagnostics(resolvedRef.sourceFile.fileName));
- }
- });
- return diagnostics;
- }
- function getGlobalDiagnostics() {
- return rootNames.length ? ts.sortAndDeduplicateDiagnostics(getDiagnosticsProducingTypeChecker().getGlobalDiagnostics().slice()) : ts.emptyArray;
- }
- function getConfigFileParsingDiagnostics() {
- return configFileParsingDiagnostics || ts.emptyArray;
- }
- function processRootFile(fileName, isDefaultLib, ignoreNoDefaultLib) {
- processSourceFile(ts.normalizePath(fileName), isDefaultLib, ignoreNoDefaultLib, /*packageId*/ undefined);
- }
- function fileReferenceIsEqualTo(a, b) {
- return a.fileName === b.fileName;
- }
- function moduleNameIsEqualTo(a, b) {
- return a.kind === 75 /* Identifier */
- ? b.kind === 75 /* Identifier */ && a.escapedText === b.escapedText
- : b.kind === 10 /* StringLiteral */ && a.text === b.text;
- }
- function collectExternalModuleReferences(file) {
- if (file.imports) {
- return;
- }
- var isJavaScriptFile = ts.isSourceFileJS(file);
- var isExternalModuleFile = ts.isExternalModule(file);
- // file.imports may not be undefined if there exists dynamic import
- var imports;
- var moduleAugmentations;
- var ambientModules;
- // If we are importing helpers, we need to add a synthetic reference to resolve the
- // helpers library.
- if (options.importHelpers
- && (options.isolatedModules || isExternalModuleFile)
- && !file.isDeclarationFile) {
- // synthesize 'import "tslib"' declaration
- var externalHelpersModuleReference = ts.createLiteral(ts.externalHelpersModuleNameText);
- var importDecl = ts.createImportDeclaration(/*decorators*/ undefined, /*modifiers*/ undefined, /*importClause*/ undefined, externalHelpersModuleReference);
- ts.addEmitFlags(importDecl, 67108864 /* NeverApplyImportHelper */);
- externalHelpersModuleReference.parent = importDecl;
- importDecl.parent = file;
- imports = [externalHelpersModuleReference];
- }
- for (var _i = 0, _a = file.statements; _i < _a.length; _i++) {
- var node = _a[_i];
- collectModuleReferences(node, /*inAmbientModule*/ false);
- }
- if ((file.flags & 1048576 /* PossiblyContainsDynamicImport */) || isJavaScriptFile) {
- collectDynamicImportOrRequireCalls(file);
- }
- file.imports = imports || ts.emptyArray;
- file.moduleAugmentations = moduleAugmentations || ts.emptyArray;
- file.ambientModuleNames = ambientModules || ts.emptyArray;
- return;
- function collectModuleReferences(node, inAmbientModule) {
- if (ts.isAnyImportOrReExport(node)) {
- var moduleNameExpr = ts.getExternalModuleName(node);
- // TypeScript 1.0 spec (April 2014): 12.1.6
- // An ExternalImportDeclaration in an AmbientExternalModuleDeclaration may reference other external modules
- // only through top - level external module names. Relative external module names are not permitted.
- if (moduleNameExpr && ts.isStringLiteral(moduleNameExpr) && moduleNameExpr.text && (!inAmbientModule || !ts.isExternalModuleNameRelative(moduleNameExpr.text))) {
- imports = ts.append(imports, moduleNameExpr);
- }
- }
- else if (ts.isModuleDeclaration(node)) {
- if (ts.isAmbientModule(node) && (inAmbientModule || ts.hasModifier(node, 2 /* Ambient */) || file.isDeclarationFile)) {
- var nameText = ts.getTextOfIdentifierOrLiteral(node.name);
- // Ambient module declarations can be interpreted as augmentations for some existing external modules.
- // This will happen in two cases:
- // - if current file is external module then module augmentation is a ambient module declaration defined in the top level scope
- // - if current file is not external module then module augmentation is an ambient module declaration with non-relative module name
- // immediately nested in top level ambient module declaration .
- if (isExternalModuleFile || (inAmbientModule && !ts.isExternalModuleNameRelative(nameText))) {
- (moduleAugmentations || (moduleAugmentations = [])).push(node.name);
- }
- else if (!inAmbientModule) {
- if (file.isDeclarationFile) {
- // for global .d.ts files record name of ambient module
- (ambientModules || (ambientModules = [])).push(nameText);
- }
- // An AmbientExternalModuleDeclaration declares an external module.
- // This type of declaration is permitted only in the global module.
- // The StringLiteral must specify a top - level external module name.
- // Relative external module names are not permitted
- // NOTE: body of ambient module is always a module block, if it exists
- var body = node.body;
- if (body) {
- for (var _i = 0, _a = body.statements; _i < _a.length; _i++) {
- var statement = _a[_i];
- collectModuleReferences(statement, /*inAmbientModule*/ true);
- }
- }
- }
- }
- }
- }
- function collectDynamicImportOrRequireCalls(file) {
- var r = /import|require/g;
- while (r.exec(file.text) !== null) { // eslint-disable-line no-null/no-null
- var node = getNodeAtPosition(file, r.lastIndex);
- if (ts.isRequireCall(node, /*checkArgumentIsStringLiteralLike*/ true)) {
- imports = ts.append(imports, node.arguments[0]);
- }
- // we have to check the argument list has length of 1. We will still have to process these even though we have parsing error.
- else if (ts.isImportCall(node) && node.arguments.length === 1 && ts.isStringLiteralLike(node.arguments[0])) {
- imports = ts.append(imports, node.arguments[0]);
- }
- else if (ts.isLiteralImportTypeNode(node)) {
- imports = ts.append(imports, node.argument.literal);
- }
- }
- }
- /** Returns a token if position is in [start-of-leading-trivia, end), includes JSDoc only in JS files */
- function getNodeAtPosition(sourceFile, position) {
- var current = sourceFile;
- var getContainingChild = function (child) {
- if (child.pos <= position && (position < child.end || (position === child.end && (child.kind === 1 /* EndOfFileToken */)))) {
- return child;
- }
- };
- while (true) {
- var child = isJavaScriptFile && ts.hasJSDocNodes(current) && ts.forEach(current.jsDoc, getContainingChild) || ts.forEachChild(current, getContainingChild);
- if (!child) {
- return current;
- }
- current = child;
- }
- }
- }
- function getLibFileFromReference(ref) {
- var libName = ts.toFileNameLowerCase(ref.fileName);
- var libFileName = ts.libMap.get(libName);
- if (libFileName) {
- return getSourceFile(ts.combinePaths(defaultLibraryPath, libFileName));
- }
- }
- /** This should have similar behavior to 'processSourceFile' without diagnostics or mutation. */
- function getSourceFileFromReference(referencingFile, ref) {
- return getSourceFileFromReferenceWorker(resolveTripleslashReference(ref.fileName, referencingFile.fileName), function (fileName) { return filesByName.get(toPath(fileName)) || undefined; });
- }
- function getSourceFileFromReferenceWorker(fileName, getSourceFile, fail, refFile) {
- if (ts.hasExtension(fileName)) {
- var canonicalFileName_1 = host.getCanonicalFileName(fileName);
- if (!options.allowNonTsExtensions && !ts.forEach(supportedExtensionsWithJsonIfResolveJsonModule, function (extension) { return ts.fileExtensionIs(canonicalFileName_1, extension); })) {
- if (fail) {
- if (ts.hasJSFileExtension(canonicalFileName_1)) {
- fail(ts.Diagnostics.File_0_is_a_JavaScript_file_Did_you_mean_to_enable_the_allowJs_option, fileName);
- }
- else {
- fail(ts.Diagnostics.File_0_has_an_unsupported_extension_The_only_supported_extensions_are_1, fileName, "'" + supportedExtensions.join("', '") + "'");
- }
- }
- return undefined;
- }
- var sourceFile = getSourceFile(fileName);
- if (fail) {
- if (!sourceFile) {
- var redirect = getProjectReferenceRedirect(fileName);
- if (redirect) {
- fail(ts.Diagnostics.Output_file_0_has_not_been_built_from_source_file_1, redirect, fileName);
- }
- else {
- fail(ts.Diagnostics.File_0_not_found, fileName);
- }
- }
- else if (refFile && canonicalFileName_1 === host.getCanonicalFileName(refFile.fileName)) {
- fail(ts.Diagnostics.A_file_cannot_have_a_reference_to_itself);
- }
- }
- return sourceFile;
- }
- else {
- var sourceFileNoExtension = options.allowNonTsExtensions && getSourceFile(fileName);
- if (sourceFileNoExtension)
- return sourceFileNoExtension;
- if (fail && options.allowNonTsExtensions) {
- fail(ts.Diagnostics.File_0_not_found, fileName);
- return undefined;
- }
- var sourceFileWithAddedExtension = ts.forEach(supportedExtensions, function (extension) { return getSourceFile(fileName + extension); });
- if (fail && !sourceFileWithAddedExtension)
- fail(ts.Diagnostics.Could_not_resolve_the_path_0_with_the_extensions_Colon_1, fileName, "'" + supportedExtensions.join("', '") + "'");
- return sourceFileWithAddedExtension;
- }
- }
- /** This has side effects through `findSourceFile`. */
- function processSourceFile(fileName, isDefaultLib, ignoreNoDefaultLib, packageId, refFile) {
- getSourceFileFromReferenceWorker(fileName, function (fileName) { return findSourceFile(fileName, toPath(fileName), isDefaultLib, ignoreNoDefaultLib, refFile, packageId); }, // TODO: GH#18217
- function (diagnostic) {
- var args = [];
- for (var _i = 1; _i < arguments.length; _i++) {
- args[_i - 1] = arguments[_i];
- }
- return fileProcessingDiagnostics.add(createRefFileDiagnostic.apply(void 0, __spreadArrays([refFile, diagnostic], args)));
- }, refFile && refFile.file);
- }
- function reportFileNamesDifferOnlyInCasingError(fileName, existingFile, refFile) {
- var refs = !refFile ? refFileMap && refFileMap.get(existingFile.path) : undefined;
- var refToReportErrorOn = refs && ts.find(refs, function (ref) { return ref.referencedFileName === existingFile.fileName; });
- fileProcessingDiagnostics.add(refToReportErrorOn ?
- createFileDiagnosticAtReference(refToReportErrorOn, ts.Diagnostics.Already_included_file_name_0_differs_from_file_name_1_only_in_casing, existingFile.fileName, fileName) :
- createRefFileDiagnostic(refFile, ts.Diagnostics.File_name_0_differs_from_already_included_file_name_1_only_in_casing, fileName, existingFile.fileName));
- }
- function createRedirectSourceFile(redirectTarget, unredirected, fileName, path, resolvedPath, originalFileName) {
- var redirect = Object.create(redirectTarget);
- redirect.fileName = fileName;
- redirect.path = path;
- redirect.resolvedPath = resolvedPath;
- redirect.originalFileName = originalFileName;
- redirect.redirectInfo = { redirectTarget: redirectTarget, unredirected: unredirected };
- sourceFilesFoundSearchingNodeModules.set(path, currentNodeModulesDepth > 0);
- Object.defineProperties(redirect, {
- id: {
- get: function () { return this.redirectInfo.redirectTarget.id; },
- set: function (value) { this.redirectInfo.redirectTarget.id = value; },
- },
- symbol: {
- get: function () { return this.redirectInfo.redirectTarget.symbol; },
- set: function (value) { this.redirectInfo.redirectTarget.symbol = value; },
- },
- });
- return redirect;
- }
- // Get source file from normalized fileName
- function findSourceFile(fileName, path, isDefaultLib, ignoreNoDefaultLib, refFile, packageId) {
- if (useSourceOfProjectReferenceRedirect) {
- var source = getSourceOfProjectReferenceRedirect(fileName);
- // If preserveSymlinks is true, module resolution wont jump the symlink
- // but the resolved real path may be the .d.ts from project reference
- // Note:: Currently we try the real path only if the
- // file is from node_modules to avoid having to run real path on all file paths
- if (!source &&
- host.realpath &&
- options.preserveSymlinks &&
- ts.isDeclarationFileName(fileName) &&
- ts.stringContains(fileName, ts.nodeModulesPathPart)) {
- var realPath = host.realpath(fileName);
- if (realPath !== fileName)
- source = getSourceOfProjectReferenceRedirect(realPath);
- }
- if (source) {
- var file_1 = ts.isString(source) ?
- findSourceFile(source, toPath(source), isDefaultLib, ignoreNoDefaultLib, refFile, packageId) :
- undefined;
- if (file_1)
- addFileToFilesByName(file_1, path, /*redirectedPath*/ undefined);
- return file_1;
- }
- }
- var originalFileName = fileName;
- if (filesByName.has(path)) {
- var file_2 = filesByName.get(path);
- addFileToRefFileMap(fileName, file_2 || undefined, refFile);
- // try to check if we've already seen this file but with a different casing in path
- // NOTE: this only makes sense for case-insensitive file systems, and only on files which are not redirected
- if (file_2 && options.forceConsistentCasingInFileNames) {
- var checkedName = file_2.fileName;
- var isRedirect = toPath(checkedName) !== toPath(fileName);
- if (isRedirect) {
- fileName = getProjectReferenceRedirect(fileName) || fileName;
- }
- // Check if it differs only in drive letters its ok to ignore that error:
- var checkedAbsolutePath = ts.getNormalizedAbsolutePathWithoutRoot(checkedName, currentDirectory);
- var inputAbsolutePath = ts.getNormalizedAbsolutePathWithoutRoot(fileName, currentDirectory);
- if (checkedAbsolutePath !== inputAbsolutePath) {
- reportFileNamesDifferOnlyInCasingError(fileName, file_2, refFile);
- }
- }
- // If the file was previously found via a node_modules search, but is now being processed as a root file,
- // then everything it sucks in may also be marked incorrectly, and needs to be checked again.
- if (file_2 && sourceFilesFoundSearchingNodeModules.get(file_2.path) && currentNodeModulesDepth === 0) {
- sourceFilesFoundSearchingNodeModules.set(file_2.path, false);
- if (!options.noResolve) {
- processReferencedFiles(file_2, isDefaultLib);
- processTypeReferenceDirectives(file_2);
- }
- if (!options.noLib) {
- processLibReferenceDirectives(file_2);
- }
- modulesWithElidedImports.set(file_2.path, false);
- processImportedModules(file_2);
- }
- // See if we need to reprocess the imports due to prior skipped imports
- else if (file_2 && modulesWithElidedImports.get(file_2.path)) {
- if (currentNodeModulesDepth < maxNodeModuleJsDepth) {
- modulesWithElidedImports.set(file_2.path, false);
- processImportedModules(file_2);
- }
- }
- return file_2 || undefined;
- }
- var redirectedPath;
- if (refFile && !useSourceOfProjectReferenceRedirect) {
- var redirectProject = getProjectReferenceRedirectProject(fileName);
- if (redirectProject) {
- if (redirectProject.commandLine.options.outFile || redirectProject.commandLine.options.out) {
- // Shouldnt create many to 1 mapping file in --out scenario
- return undefined;
- }
- var redirect = getProjectReferenceOutputName(redirectProject, fileName);
- fileName = redirect;
- // Once we start redirecting to a file, we can potentially come back to it
- // via a back-reference from another file in the .d.ts folder. If that happens we'll
- // end up trying to add it to the program *again* because we were tracking it via its
- // original (un-redirected) name. So we have to map both the original path and the redirected path
- // to the source file we're about to find/create
- redirectedPath = toPath(redirect);
- }
- }
- // We haven't looked for this file, do so now and cache result
- var file = host.getSourceFile(fileName, options.target, function (hostErrorMessage) { return fileProcessingDiagnostics.add(createRefFileDiagnostic(refFile, ts.Diagnostics.Cannot_read_file_0_Colon_1, fileName, hostErrorMessage)); }, shouldCreateNewSourceFile);
- if (packageId) {
- var packageIdKey = ts.packageIdToString(packageId);
- var fileFromPackageId = packageIdToSourceFile.get(packageIdKey);
- if (fileFromPackageId) {
- // Some other SourceFile already exists with this package name and version.
- // Instead of creating a duplicate, just redirect to the existing one.
- var dupFile = createRedirectSourceFile(fileFromPackageId, file, fileName, path, toPath(fileName), originalFileName); // TODO: GH#18217
- redirectTargetsMap.add(fileFromPackageId.path, fileName);
- addFileToFilesByName(dupFile, path, redirectedPath);
- sourceFileToPackageName.set(path, packageId.name);
- processingOtherFiles.push(dupFile);
- return dupFile;
- }
- else if (file) {
- // This is the first source file to have this packageId.
- packageIdToSourceFile.set(packageIdKey, file);
- sourceFileToPackageName.set(path, packageId.name);
- }
- }
- addFileToFilesByName(file, path, redirectedPath);
- if (file) {
- sourceFilesFoundSearchingNodeModules.set(path, currentNodeModulesDepth > 0);
- file.fileName = fileName; // Ensure that source file has same name as what we were looking for
- file.path = path;
- file.resolvedPath = toPath(fileName);
- file.originalFileName = originalFileName;
- addFileToRefFileMap(fileName, file, refFile);
- if (host.useCaseSensitiveFileNames()) {
- var pathLowerCase = ts.toFileNameLowerCase(path);
- // for case-sensitive file systems check if we've already seen some file with similar filename ignoring case
- var existingFile = filesByNameIgnoreCase.get(pathLowerCase);
- if (existingFile) {
- reportFileNamesDifferOnlyInCasingError(fileName, existingFile, refFile);
- }
- else {
- filesByNameIgnoreCase.set(pathLowerCase, file);
- }
- }
- skipDefaultLib = skipDefaultLib || (file.hasNoDefaultLib && !ignoreNoDefaultLib);
- if (!options.noResolve) {
- processReferencedFiles(file, isDefaultLib);
- processTypeReferenceDirectives(file);
- }
- if (!options.noLib) {
- processLibReferenceDirectives(file);
- }
- // always process imported modules to record module name resolutions
- processImportedModules(file);
- if (isDefaultLib) {
- processingDefaultLibFiles.push(file);
- }
- else {
- processingOtherFiles.push(file);
- }
- }
- return file;
- }
- function addFileToRefFileMap(referencedFileName, file, refFile) {
- if (refFile && file) {
- (refFileMap || (refFileMap = ts.createMultiMap())).add(file.path, {
- referencedFileName: referencedFileName,
- kind: refFile.kind,
- index: refFile.index,
- file: refFile.file.path
- });
- }
- }
- function addFileToFilesByName(file, path, redirectedPath) {
- if (redirectedPath) {
- filesByName.set(redirectedPath, file);
- filesByName.set(path, file || false);
- }
- else {
- filesByName.set(path, file);
- }
- }
- function getProjectReferenceRedirect(fileName) {
- var referencedProject = getProjectReferenceRedirectProject(fileName);
- return referencedProject && getProjectReferenceOutputName(referencedProject, fileName);
- }
- function getProjectReferenceRedirectProject(fileName) {
- // Ignore dts or any json files
- if (!resolvedProjectReferences || !resolvedProjectReferences.length || ts.fileExtensionIs(fileName, ".d.ts" /* Dts */) || ts.fileExtensionIs(fileName, ".json" /* Json */)) {
- return undefined;
- }
- // If this file is produced by a referenced project, we need to rewrite it to
- // look in the output folder of the referenced project rather than the input
- return getResolvedProjectReferenceToRedirect(fileName);
- }
- function getProjectReferenceOutputName(referencedProject, fileName) {
- var out = referencedProject.commandLine.options.outFile || referencedProject.commandLine.options.out;
- return out ?
- ts.changeExtension(out, ".d.ts" /* Dts */) :
- ts.getOutputDeclarationFileName(fileName, referencedProject.commandLine, !host.useCaseSensitiveFileNames());
- }
- /**
- * Get the referenced project if the file is input file from that reference project
- */
- function getResolvedProjectReferenceToRedirect(fileName) {
- if (mapFromFileToProjectReferenceRedirects === undefined) {
- mapFromFileToProjectReferenceRedirects = ts.createMap();
- forEachResolvedProjectReference(function (referencedProject, referenceProjectPath) {
- // not input file from the referenced project, ignore
- if (referencedProject &&
- toPath(options.configFilePath) !== referenceProjectPath) {
- referencedProject.commandLine.fileNames.forEach(function (f) {
- return mapFromFileToProjectReferenceRedirects.set(toPath(f), referenceProjectPath);
- });
- }
- });
- }
- var referencedProjectPath = mapFromFileToProjectReferenceRedirects.get(toPath(fileName));
- return referencedProjectPath && getResolvedProjectReferenceByPath(referencedProjectPath);
- }
- function forEachResolvedProjectReference(cb) {
- return forEachProjectReference(projectReferences, resolvedProjectReferences, function (resolvedRef, index, parent) {
- var ref = (parent ? parent.commandLine.projectReferences : projectReferences)[index];
- var resolvedRefPath = toPath(resolveProjectReferencePath(ref));
- return cb(resolvedRef, resolvedRefPath);
- });
- }
- function getSourceOfProjectReferenceRedirect(file) {
- if (!ts.isDeclarationFileName(file))
- return undefined;
- if (mapFromToProjectReferenceRedirectSource === undefined) {
- mapFromToProjectReferenceRedirectSource = ts.createMap();
- forEachResolvedProjectReference(function (resolvedRef) {
- if (resolvedRef) {
- var out = resolvedRef.commandLine.options.outFile || resolvedRef.commandLine.options.out;
- if (out) {
- // Dont know which source file it means so return true?
- var outputDts = ts.changeExtension(out, ".d.ts" /* Dts */);
- mapFromToProjectReferenceRedirectSource.set(toPath(outputDts), true);
- }
- else {
- ts.forEach(resolvedRef.commandLine.fileNames, function (fileName) {
- if (!ts.fileExtensionIs(fileName, ".d.ts" /* Dts */) && !ts.fileExtensionIs(fileName, ".json" /* Json */)) {
- var outputDts = ts.getOutputDeclarationFileName(fileName, resolvedRef.commandLine, host.useCaseSensitiveFileNames());
- mapFromToProjectReferenceRedirectSource.set(toPath(outputDts), fileName);
- }
- });
- }
- }
- });
- }
- return mapFromToProjectReferenceRedirectSource.get(toPath(file));
- }
- function isSourceOfProjectReferenceRedirect(fileName) {
- return useSourceOfProjectReferenceRedirect && !!getResolvedProjectReferenceToRedirect(fileName);
- }
- function forEachProjectReference(projectReferences, resolvedProjectReferences, cbResolvedRef, cbRef) {
- var seenResolvedRefs;
- return worker(projectReferences, resolvedProjectReferences, /*parent*/ undefined, cbResolvedRef, cbRef);
- function worker(projectReferences, resolvedProjectReferences, parent, cbResolvedRef, cbRef) {
- // Visit project references first
- if (cbRef) {
- var result = cbRef(projectReferences, parent);
- if (result) {
- return result;
- }
- }
- return ts.forEach(resolvedProjectReferences, function (resolvedRef, index) {
- if (ts.contains(seenResolvedRefs, resolvedRef)) {
- // ignore recursives
- return undefined;
- }
- var result = cbResolvedRef(resolvedRef, index, parent);
- if (result) {
- return result;
- }
- if (!resolvedRef)
- return undefined;
- (seenResolvedRefs || (seenResolvedRefs = [])).push(resolvedRef);
- return worker(resolvedRef.commandLine.projectReferences, resolvedRef.references, resolvedRef, cbResolvedRef, cbRef);
- });
- }
- }
- function getResolvedProjectReferenceByPath(projectReferencePath) {
- if (!projectReferenceRedirects) {
- return undefined;
- }
- return projectReferenceRedirects.get(projectReferencePath) || undefined;
- }
- function processReferencedFiles(file, isDefaultLib) {
- ts.forEach(file.referencedFiles, function (ref, index) {
- var referencedFileName = resolveTripleslashReference(ref.fileName, file.originalFileName);
- processSourceFile(referencedFileName, isDefaultLib,
- /*ignoreNoDefaultLib*/ false,
- /*packageId*/ undefined, {
- kind: ts.RefFileKind.ReferenceFile,
- index: index,
- file: file,
- pos: ref.pos,
- end: ref.end
- });
- });
- }
- function processTypeReferenceDirectives(file) {
- // We lower-case all type references because npm automatically lowercases all packages. See GH#9824.
- var typeDirectives = ts.map(file.typeReferenceDirectives, function (ref) { return ts.toFileNameLowerCase(ref.fileName); });
- if (!typeDirectives) {
- return;
- }
- var resolutions = resolveTypeReferenceDirectiveNamesWorker(typeDirectives, file.originalFileName, getResolvedProjectReferenceToRedirect(file.originalFileName));
- for (var i = 0; i < typeDirectives.length; i++) {
- var ref = file.typeReferenceDirectives[i];
- var resolvedTypeReferenceDirective = resolutions[i];
- // store resolved type directive on the file
- var fileName = ts.toFileNameLowerCase(ref.fileName);
- ts.setResolvedTypeReferenceDirective(file, fileName, resolvedTypeReferenceDirective);
- processTypeReferenceDirective(fileName, resolvedTypeReferenceDirective, {
- kind: ts.RefFileKind.TypeReferenceDirective,
- index: i,
- file: file,
- pos: ref.pos,
- end: ref.end
- });
- }
- }
- function processTypeReferenceDirective(typeReferenceDirective, resolvedTypeReferenceDirective, refFile) {
- // If we already found this library as a primary reference - nothing to do
- var previousResolution = resolvedTypeReferenceDirectives.get(typeReferenceDirective);
- if (previousResolution && previousResolution.primary) {
- return;
- }
- var saveResolution = true;
- if (resolvedTypeReferenceDirective) {
- if (resolvedTypeReferenceDirective.isExternalLibraryImport)
- currentNodeModulesDepth++;
- if (resolvedTypeReferenceDirective.primary) {
- // resolved from the primary path
- processSourceFile(resolvedTypeReferenceDirective.resolvedFileName, /*isDefaultLib*/ false, /*ignoreNoDefaultLib*/ false, resolvedTypeReferenceDirective.packageId, refFile); // TODO: GH#18217
- }
- else {
- // If we already resolved to this file, it must have been a secondary reference. Check file contents
- // for sameness and possibly issue an error
- if (previousResolution) {
- // Don't bother reading the file again if it's the same file.
- if (resolvedTypeReferenceDirective.resolvedFileName !== previousResolution.resolvedFileName) {
- var otherFileText = host.readFile(resolvedTypeReferenceDirective.resolvedFileName);
- var existingFile_1 = getSourceFile(previousResolution.resolvedFileName);
- if (otherFileText !== existingFile_1.text) {
- // Try looking up ref for original file
- var refs = !refFile ? refFileMap && refFileMap.get(existingFile_1.path) : undefined;
- var refToReportErrorOn = refs && ts.find(refs, function (ref) { return ref.referencedFileName === existingFile_1.fileName; });
- fileProcessingDiagnostics.add(refToReportErrorOn ?
- createFileDiagnosticAtReference(refToReportErrorOn, ts.Diagnostics.Conflicting_definitions_for_0_found_at_1_and_2_Consider_installing_a_specific_version_of_this_library_to_resolve_the_conflict, typeReferenceDirective, resolvedTypeReferenceDirective.resolvedFileName, previousResolution.resolvedFileName) :
- createRefFileDiagnostic(refFile, ts.Diagnostics.Conflicting_definitions_for_0_found_at_1_and_2_Consider_installing_a_specific_version_of_this_library_to_resolve_the_conflict, typeReferenceDirective, resolvedTypeReferenceDirective.resolvedFileName, previousResolution.resolvedFileName));
- }
- }
- // don't overwrite previous resolution result
- saveResolution = false;
- }
- else {
- // First resolution of this library
- processSourceFile(resolvedTypeReferenceDirective.resolvedFileName, /*isDefaultLib*/ false, /*ignoreNoDefaultLib*/ false, resolvedTypeReferenceDirective.packageId, refFile);
- }
- }
- if (resolvedTypeReferenceDirective.isExternalLibraryImport)
- currentNodeModulesDepth--;
- }
- else {
- fileProcessingDiagnostics.add(createRefFileDiagnostic(refFile, ts.Diagnostics.Cannot_find_type_definition_file_for_0, typeReferenceDirective));
- }
- if (saveResolution) {
- resolvedTypeReferenceDirectives.set(typeReferenceDirective, resolvedTypeReferenceDirective);
- }
- }
- function processLibReferenceDirectives(file) {
- ts.forEach(file.libReferenceDirectives, function (libReference) {
- var libName = ts.toFileNameLowerCase(libReference.fileName);
- var libFileName = ts.libMap.get(libName);
- if (libFileName) {
- // we ignore any 'no-default-lib' reference set on this file.
- processRootFile(ts.combinePaths(defaultLibraryPath, libFileName), /*isDefaultLib*/ true, /*ignoreNoDefaultLib*/ true);
- }
- else {
- var unqualifiedLibName = ts.removeSuffix(ts.removePrefix(libName, "lib."), ".d.ts");
- var suggestion = ts.getSpellingSuggestion(unqualifiedLibName, ts.libs, ts.identity);
- var message = suggestion ? ts.Diagnostics.Cannot_find_lib_definition_for_0_Did_you_mean_1 : ts.Diagnostics.Cannot_find_lib_definition_for_0;
- fileProcessingDiagnostics.add(ts.createFileDiagnostic(file, libReference.pos, libReference.end - libReference.pos, message, libName, suggestion));
- }
- });
- }
- function createRefFileDiagnostic(refFile, message) {
- var args = [];
- for (var _i = 2; _i < arguments.length; _i++) {
- args[_i - 2] = arguments[_i];
- }
- if (!refFile) {
- return ts.createCompilerDiagnostic.apply(void 0, __spreadArrays([message], args));
- }
- else {
- return ts.createFileDiagnostic.apply(void 0, __spreadArrays([refFile.file, refFile.pos, refFile.end - refFile.pos, message], args));
- }
- }
- function getCanonicalFileName(fileName) {
- return host.getCanonicalFileName(fileName);
- }
- function processImportedModules(file) {
- collectExternalModuleReferences(file);
- if (file.imports.length || file.moduleAugmentations.length) {
- // Because global augmentation doesn't have string literal name, we can check for global augmentation as such.
- var moduleNames = getModuleNames(file);
- var resolutions = resolveModuleNamesReusingOldState(moduleNames, ts.getNormalizedAbsolutePath(file.originalFileName, currentDirectory), file);
- ts.Debug.assert(resolutions.length === moduleNames.length);
- for (var i = 0; i < moduleNames.length; i++) {
- var resolution = resolutions[i];
- ts.setResolvedModule(file, moduleNames[i], resolution);
- if (!resolution) {
- continue;
- }
- var isFromNodeModulesSearch = resolution.isExternalLibraryImport;
- var isJsFile = !ts.resolutionExtensionIsTSOrJson(resolution.extension);
- var isJsFileFromNodeModules = isFromNodeModulesSearch && isJsFile;
- var resolvedFileName = resolution.resolvedFileName;
- if (isFromNodeModulesSearch) {
- currentNodeModulesDepth++;
- }
- // add file to program only if:
- // - resolution was successful
- // - noResolve is falsy
- // - module name comes from the list of imports
- // - it's not a top level JavaScript module that exceeded the search max
- var elideImport = isJsFileFromNodeModules && currentNodeModulesDepth > maxNodeModuleJsDepth;
- // Don't add the file if it has a bad extension (e.g. 'tsx' if we don't have '--allowJs')
- // This may still end up being an untyped module -- the file won't be included but imports will be allowed.
- var shouldAddFile = resolvedFileName
- && !getResolutionDiagnostic(options, resolution)
- && !options.noResolve
- && i < file.imports.length
- && !elideImport
- && !(isJsFile && !options.allowJs)
- && (ts.isInJSFile(file.imports[i]) || !(file.imports[i].flags & 4194304 /* JSDoc */));
- if (elideImport) {
- modulesWithElidedImports.set(file.path, true);
- }
- else if (shouldAddFile) {
- var path = toPath(resolvedFileName);
- var pos = ts.skipTrivia(file.text, file.imports[i].pos);
- findSourceFile(resolvedFileName, path,
- /*isDefaultLib*/ false,
- /*ignoreNoDefaultLib*/ false, {
- kind: ts.RefFileKind.Import,
- index: i,
- file: file,
- pos: pos,
- end: file.imports[i].end
- }, resolution.packageId);
- }
- if (isFromNodeModulesSearch) {
- currentNodeModulesDepth--;
- }
- }
- }
- else {
- // no imports - drop cached module resolutions
- file.resolvedModules = undefined;
- }
- }
- function computeCommonSourceDirectory(sourceFiles) {
- var fileNames = ts.mapDefined(sourceFiles, function (file) { return file.isDeclarationFile ? undefined : file.fileName; });
- return computeCommonSourceDirectoryOfFilenames(fileNames, currentDirectory, getCanonicalFileName);
- }
- function checkSourceFilesBelongToPath(sourceFiles, rootDirectory) {
- var allFilesBelongToPath = true;
- var absoluteRootDirectoryPath = host.getCanonicalFileName(ts.getNormalizedAbsolutePath(rootDirectory, currentDirectory));
- var rootPaths;
- for (var _i = 0, sourceFiles_2 = sourceFiles; _i < sourceFiles_2.length; _i++) {
- var sourceFile = sourceFiles_2[_i];
- if (!sourceFile.isDeclarationFile) {
- var absoluteSourceFilePath = host.getCanonicalFileName(ts.getNormalizedAbsolutePath(sourceFile.fileName, currentDirectory));
- if (absoluteSourceFilePath.indexOf(absoluteRootDirectoryPath) !== 0) {
- if (!rootPaths)
- rootPaths = ts.arrayToSet(rootNames, toPath);
- addProgramDiagnosticAtRefPath(sourceFile, rootPaths, ts.Diagnostics.File_0_is_not_under_rootDir_1_rootDir_is_expected_to_contain_all_source_files, sourceFile.fileName, rootDirectory);
- allFilesBelongToPath = false;
- }
- }
- }
- return allFilesBelongToPath;
- }
- function parseProjectReferenceConfigFile(ref) {
- if (!projectReferenceRedirects) {
- projectReferenceRedirects = ts.createMap();
- }
- // The actual filename (i.e. add "/tsconfig.json" if necessary)
- var refPath = resolveProjectReferencePath(ref);
- var sourceFilePath = toPath(refPath);
- var fromCache = projectReferenceRedirects.get(sourceFilePath);
- if (fromCache !== undefined) {
- return fromCache || undefined;
- }
- var commandLine;
- var sourceFile;
- if (host.getParsedCommandLine) {
- commandLine = host.getParsedCommandLine(refPath);
- if (!commandLine) {
- addFileToFilesByName(/*sourceFile*/ undefined, sourceFilePath, /*redirectedPath*/ undefined);
- projectReferenceRedirects.set(sourceFilePath, false);
- return undefined;
- }
- sourceFile = ts.Debug.checkDefined(commandLine.options.configFile);
- ts.Debug.assert(!sourceFile.path || sourceFile.path === sourceFilePath);
- addFileToFilesByName(sourceFile, sourceFilePath, /*redirectedPath*/ undefined);
- }
- else {
- // An absolute path pointing to the containing directory of the config file
- var basePath = ts.getNormalizedAbsolutePath(ts.getDirectoryPath(refPath), host.getCurrentDirectory());
- sourceFile = host.getSourceFile(refPath, 100 /* JSON */);
- addFileToFilesByName(sourceFile, sourceFilePath, /*redirectedPath*/ undefined);
- if (sourceFile === undefined) {
- projectReferenceRedirects.set(sourceFilePath, false);
- return undefined;
- }
- commandLine = ts.parseJsonSourceFileConfigFileContent(sourceFile, configParsingHost, basePath, /*existingOptions*/ undefined, refPath);
- }
- sourceFile.fileName = refPath;
- sourceFile.path = sourceFilePath;
- sourceFile.resolvedPath = sourceFilePath;
- sourceFile.originalFileName = refPath;
- var resolvedRef = { commandLine: commandLine, sourceFile: sourceFile };
- projectReferenceRedirects.set(sourceFilePath, resolvedRef);
- if (commandLine.projectReferences) {
- resolvedRef.references = commandLine.projectReferences.map(parseProjectReferenceConfigFile);
- }
- return resolvedRef;
- }
- function verifyCompilerOptions() {
- if (options.strictPropertyInitialization && !ts.getStrictOptionValue(options, "strictNullChecks")) {
- createDiagnosticForOptionName(ts.Diagnostics.Option_0_cannot_be_specified_without_specifying_option_1, "strictPropertyInitialization", "strictNullChecks");
- }
- if (options.isolatedModules) {
- if (options.out) {
- createDiagnosticForOptionName(ts.Diagnostics.Option_0_cannot_be_specified_with_option_1, "out", "isolatedModules");
- }
- if (options.outFile) {
- createDiagnosticForOptionName(ts.Diagnostics.Option_0_cannot_be_specified_with_option_1, "outFile", "isolatedModules");
- }
- }
- if (options.inlineSourceMap) {
- if (options.sourceMap) {
- createDiagnosticForOptionName(ts.Diagnostics.Option_0_cannot_be_specified_with_option_1, "sourceMap", "inlineSourceMap");
- }
- if (options.mapRoot) {
- createDiagnosticForOptionName(ts.Diagnostics.Option_0_cannot_be_specified_with_option_1, "mapRoot", "inlineSourceMap");
- }
- }
- if (options.paths && options.baseUrl === undefined) {
- createDiagnosticForOptionName(ts.Diagnostics.Option_paths_cannot_be_used_without_specifying_baseUrl_option, "paths");
- }
- if (options.composite) {
- if (options.declaration === false) {
- createDiagnosticForOptionName(ts.Diagnostics.Composite_projects_may_not_disable_declaration_emit, "declaration");
- }
- if (options.incremental === false) {
- createDiagnosticForOptionName(ts.Diagnostics.Composite_projects_may_not_disable_incremental_compilation, "declaration");
- }
- }
- if (options.tsBuildInfoFile) {
- if (!ts.isIncrementalCompilation(options)) {
- createDiagnosticForOptionName(ts.Diagnostics.Option_0_cannot_be_specified_without_specifying_option_1_or_option_2, "tsBuildInfoFile", "incremental", "composite");
- }
- }
- else if (options.incremental && !options.outFile && !options.out && !options.configFilePath) {
- programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_incremental_can_only_be_specified_using_tsconfig_emitting_to_single_file_or_when_option_tsBuildInfoFile_is_specified));
- }
- if (!options.listFilesOnly && options.noEmit && ts.isIncrementalCompilation(options)) {
- createDiagnosticForOptionName(ts.Diagnostics.Option_0_cannot_be_specified_with_option_1, "noEmit", options.incremental ? "incremental" : "composite");
- }
- verifyProjectReferences();
- // List of collected files is complete; validate exhautiveness if this is a project with a file list
- if (options.composite) {
- var rootPaths = ts.arrayToSet(rootNames, toPath);
- for (var _i = 0, files_3 = files; _i < files_3.length; _i++) {
- var file = files_3[_i];
- // Ignore file that is not emitted
- if (ts.sourceFileMayBeEmitted(file, program) && !rootPaths.has(file.path)) {
- addProgramDiagnosticAtRefPath(file, rootPaths, ts.Diagnostics.File_0_is_not_listed_within_the_file_list_of_project_1_Projects_must_list_all_files_or_use_an_include_pattern, file.fileName, options.configFilePath || "");
- }
- }
- }
- if (options.paths) {
- for (var key in options.paths) {
- if (!ts.hasProperty(options.paths, key)) {
- continue;
- }
- if (!ts.hasZeroOrOneAsteriskCharacter(key)) {
- createDiagnosticForOptionPaths(/*onKey*/ true, key, ts.Diagnostics.Pattern_0_can_have_at_most_one_Asterisk_character, key);
- }
- if (ts.isArray(options.paths[key])) {
- var len = options.paths[key].length;
- if (len === 0) {
- createDiagnosticForOptionPaths(/*onKey*/ false, key, ts.Diagnostics.Substitutions_for_pattern_0_shouldn_t_be_an_empty_array, key);
- }
- for (var i = 0; i < len; i++) {
- var subst = options.paths[key][i];
- var typeOfSubst = typeof subst;
- if (typeOfSubst === "string") {
- if (!ts.hasZeroOrOneAsteriskCharacter(subst)) {
- createDiagnosticForOptionPathKeyValue(key, i, ts.Diagnostics.Substitution_0_in_pattern_1_can_have_at_most_one_Asterisk_character, subst, key);
- }
- }
- else {
- createDiagnosticForOptionPathKeyValue(key, i, ts.Diagnostics.Substitution_0_for_pattern_1_has_incorrect_type_expected_string_got_2, subst, key, typeOfSubst);
- }
- }
- }
- else {
- createDiagnosticForOptionPaths(/*onKey*/ false, key, ts.Diagnostics.Substitutions_for_pattern_0_should_be_an_array, key);
- }
- }
- }
- if (!options.sourceMap && !options.inlineSourceMap) {
- if (options.inlineSources) {
- createDiagnosticForOptionName(ts.Diagnostics.Option_0_can_only_be_used_when_either_option_inlineSourceMap_or_option_sourceMap_is_provided, "inlineSources");
- }
- if (options.sourceRoot) {
- createDiagnosticForOptionName(ts.Diagnostics.Option_0_can_only_be_used_when_either_option_inlineSourceMap_or_option_sourceMap_is_provided, "sourceRoot");
- }
- }
- if (options.out && options.outFile) {
- createDiagnosticForOptionName(ts.Diagnostics.Option_0_cannot_be_specified_with_option_1, "out", "outFile");
- }
- if (options.mapRoot && !(options.sourceMap || options.declarationMap)) {
- // Error to specify --mapRoot without --sourcemap
- createDiagnosticForOptionName(ts.Diagnostics.Option_0_cannot_be_specified_without_specifying_option_1_or_option_2, "mapRoot", "sourceMap", "declarationMap");
- }
- if (options.declarationDir) {
- if (!ts.getEmitDeclarations(options)) {
- createDiagnosticForOptionName(ts.Diagnostics.Option_0_cannot_be_specified_without_specifying_option_1_or_option_2, "declarationDir", "declaration", "composite");
- }
- if (options.out || options.outFile) {
- createDiagnosticForOptionName(ts.Diagnostics.Option_0_cannot_be_specified_with_option_1, "declarationDir", options.out ? "out" : "outFile");
- }
- }
- if (options.declarationMap && !ts.getEmitDeclarations(options)) {
- createDiagnosticForOptionName(ts.Diagnostics.Option_0_cannot_be_specified_without_specifying_option_1_or_option_2, "declarationMap", "declaration", "composite");
- }
- if (options.lib && options.noLib) {
- createDiagnosticForOptionName(ts.Diagnostics.Option_0_cannot_be_specified_with_option_1, "lib", "noLib");
- }
- if (options.noImplicitUseStrict && ts.getStrictOptionValue(options, "alwaysStrict")) {
- createDiagnosticForOptionName(ts.Diagnostics.Option_0_cannot_be_specified_with_option_1, "noImplicitUseStrict", "alwaysStrict");
- }
- var languageVersion = options.target || 0 /* ES3 */;
- var outFile = options.outFile || options.out;
- var firstNonAmbientExternalModuleSourceFile = ts.find(files, function (f) { return ts.isExternalModule(f) && !f.isDeclarationFile; });
- if (options.isolatedModules) {
- if (options.module === ts.ModuleKind.None && languageVersion < 2 /* ES2015 */) {
- createDiagnosticForOptionName(ts.Diagnostics.Option_isolatedModules_can_only_be_used_when_either_option_module_is_provided_or_option_target_is_ES2015_or_higher, "isolatedModules", "target");
- }
- var firstNonExternalModuleSourceFile = ts.find(files, function (f) { return !ts.isExternalModule(f) && !ts.isSourceFileJS(f) && !f.isDeclarationFile && f.scriptKind !== 6 /* JSON */; });
- if (firstNonExternalModuleSourceFile) {
- var span = ts.getErrorSpanForNode(firstNonExternalModuleSourceFile, firstNonExternalModuleSourceFile);
- programDiagnostics.add(ts.createFileDiagnostic(firstNonExternalModuleSourceFile, span.start, span.length, ts.Diagnostics.All_files_must_be_modules_when_the_isolatedModules_flag_is_provided));
- }
- }
- else if (firstNonAmbientExternalModuleSourceFile && languageVersion < 2 /* ES2015 */ && options.module === ts.ModuleKind.None) {
- // We cannot use createDiagnosticFromNode because nodes do not have parents yet
- var span = ts.getErrorSpanForNode(firstNonAmbientExternalModuleSourceFile, firstNonAmbientExternalModuleSourceFile.externalModuleIndicator);
- programDiagnostics.add(ts.createFileDiagnostic(firstNonAmbientExternalModuleSourceFile, span.start, span.length, ts.Diagnostics.Cannot_use_imports_exports_or_module_augmentations_when_module_is_none));
- }
- // Cannot specify module gen that isn't amd or system with --out
- if (outFile && !options.emitDeclarationOnly) {
- if (options.module && !(options.module === ts.ModuleKind.AMD || options.module === ts.ModuleKind.System)) {
- createDiagnosticForOptionName(ts.Diagnostics.Only_amd_and_system_modules_are_supported_alongside_0, options.out ? "out" : "outFile", "module");
- }
- else if (options.module === undefined && firstNonAmbientExternalModuleSourceFile) {
- var span = ts.getErrorSpanForNode(firstNonAmbientExternalModuleSourceFile, firstNonAmbientExternalModuleSourceFile.externalModuleIndicator);
- programDiagnostics.add(ts.createFileDiagnostic(firstNonAmbientExternalModuleSourceFile, span.start, span.length, ts.Diagnostics.Cannot_compile_modules_using_option_0_unless_the_module_flag_is_amd_or_system, options.out ? "out" : "outFile"));
- }
- }
- if (options.resolveJsonModule) {
- if (ts.getEmitModuleResolutionKind(options) !== ts.ModuleResolutionKind.NodeJs) {
- createDiagnosticForOptionName(ts.Diagnostics.Option_resolveJsonModule_cannot_be_specified_without_node_module_resolution_strategy, "resolveJsonModule");
- }
- // Any emit other than common js, amd, es2015 or esnext is error
- else if (!ts.hasJsonModuleEmitEnabled(options)) {
- createDiagnosticForOptionName(ts.Diagnostics.Option_resolveJsonModule_can_only_be_specified_when_module_code_generation_is_commonjs_amd_es2015_or_esNext, "resolveJsonModule", "module");
- }
- }
- // there has to be common source directory if user specified --outdir || --sourceRoot
- // if user specified --mapRoot, there needs to be common source directory if there would be multiple files being emitted
- if (options.outDir || // there is --outDir specified
- options.sourceRoot || // there is --sourceRoot specified
- options.mapRoot) { // there is --mapRoot specified
- // Precalculate and cache the common source directory
- var dir = getCommonSourceDirectory();
- // If we failed to find a good common directory, but outDir is specified and at least one of our files is on a windows drive/URL/other resource, add a failure
- if (options.outDir && dir === "" && files.some(function (file) { return ts.getRootLength(file.fileName) > 1; })) {
- createDiagnosticForOptionName(ts.Diagnostics.Cannot_find_the_common_subdirectory_path_for_the_input_files, "outDir");
- }
- }
- if (options.useDefineForClassFields && languageVersion === 0 /* ES3 */) {
- createDiagnosticForOptionName(ts.Diagnostics.Option_0_cannot_be_specified_when_option_target_is_ES3, "useDefineForClassFields");
- }
- if (options.checkJs && !options.allowJs) {
- programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_cannot_be_specified_without_specifying_option_1, "checkJs", "allowJs"));
- }
- if (options.emitDeclarationOnly) {
- if (!ts.getEmitDeclarations(options)) {
- createDiagnosticForOptionName(ts.Diagnostics.Option_0_cannot_be_specified_without_specifying_option_1_or_option_2, "emitDeclarationOnly", "declaration", "composite");
- }
- if (options.noEmit) {
- createDiagnosticForOptionName(ts.Diagnostics.Option_0_cannot_be_specified_with_option_1, "emitDeclarationOnly", "noEmit");
- }
- }
- if (options.emitDecoratorMetadata &&
- !options.experimentalDecorators) {
- createDiagnosticForOptionName(ts.Diagnostics.Option_0_cannot_be_specified_without_specifying_option_1, "emitDecoratorMetadata", "experimentalDecorators");
- }
- if (options.jsxFactory) {
- if (options.reactNamespace) {
- createDiagnosticForOptionName(ts.Diagnostics.Option_0_cannot_be_specified_with_option_1, "reactNamespace", "jsxFactory");
- }
- if (!ts.parseIsolatedEntityName(options.jsxFactory, languageVersion)) {
- createOptionValueDiagnostic("jsxFactory", ts.Diagnostics.Invalid_value_for_jsxFactory_0_is_not_a_valid_identifier_or_qualified_name, options.jsxFactory);
- }
- }
- else if (options.reactNamespace && !ts.isIdentifierText(options.reactNamespace, languageVersion)) {
- createOptionValueDiagnostic("reactNamespace", ts.Diagnostics.Invalid_value_for_reactNamespace_0_is_not_a_valid_identifier, options.reactNamespace);
- }
- // If the emit is enabled make sure that every output file is unique and not overwriting any of the input files
- if (!options.noEmit && !options.suppressOutputPathCheck) {
- var emitHost = getEmitHost();
- var emitFilesSeen_1 = ts.createMap();
- ts.forEachEmittedFile(emitHost, function (emitFileNames) {
- if (!options.emitDeclarationOnly) {
- verifyEmitFilePath(emitFileNames.jsFilePath, emitFilesSeen_1);
- }
- verifyEmitFilePath(emitFileNames.declarationFilePath, emitFilesSeen_1);
- });
- }
- // Verify that all the emit files are unique and don't overwrite input files
- function verifyEmitFilePath(emitFileName, emitFilesSeen) {
- if (emitFileName) {
- var emitFilePath = toPath(emitFileName);
- // Report error if the output overwrites input file
- if (filesByName.has(emitFilePath)) {
- var chain = void 0;
- if (!options.configFilePath) {
- // The program is from either an inferred project or an external project
- chain = ts.chainDiagnosticMessages(/*details*/ undefined, ts.Diagnostics.Adding_a_tsconfig_json_file_will_help_organize_projects_that_contain_both_TypeScript_and_JavaScript_files_Learn_more_at_https_Colon_Slash_Slashaka_ms_Slashtsconfig);
- }
- chain = ts.chainDiagnosticMessages(chain, ts.Diagnostics.Cannot_write_file_0_because_it_would_overwrite_input_file, emitFileName);
- blockEmittingOfFile(emitFileName, ts.createCompilerDiagnosticFromMessageChain(chain));
- }
- var emitFileKey = !host.useCaseSensitiveFileNames() ? ts.toFileNameLowerCase(emitFilePath) : emitFilePath;
- // Report error if multiple files write into same file
- if (emitFilesSeen.has(emitFileKey)) {
- // Already seen the same emit file - report error
- blockEmittingOfFile(emitFileName, ts.createCompilerDiagnostic(ts.Diagnostics.Cannot_write_file_0_because_it_would_be_overwritten_by_multiple_input_files, emitFileName));
- }
- else {
- emitFilesSeen.set(emitFileKey, true);
- }
- }
- }
- }
- function createFileDiagnosticAtReference(refPathToReportErrorOn, message) {
- var _a, _b;
- var args = [];
- for (var _i = 2; _i < arguments.length; _i++) {
- args[_i - 2] = arguments[_i];
- }
- var refFile = ts.Debug.checkDefined(getSourceFileByPath(refPathToReportErrorOn.file));
- var kind = refPathToReportErrorOn.kind, index = refPathToReportErrorOn.index;
- var pos, end;
- switch (kind) {
- case ts.RefFileKind.Import:
- pos = ts.skipTrivia(refFile.text, refFile.imports[index].pos);
- end = refFile.imports[index].end;
- break;
- case ts.RefFileKind.ReferenceFile:
- (_a = refFile.referencedFiles[index], pos = _a.pos, end = _a.end);
- break;
- case ts.RefFileKind.TypeReferenceDirective:
- (_b = refFile.typeReferenceDirectives[index], pos = _b.pos, end = _b.end);
- break;
- default:
- return ts.Debug.assertNever(kind);
- }
- return ts.createFileDiagnostic.apply(void 0, __spreadArrays([refFile, pos, end - pos, message], args));
- }
- function addProgramDiagnosticAtRefPath(file, rootPaths, message) {
- var args = [];
- for (var _i = 3; _i < arguments.length; _i++) {
- args[_i - 3] = arguments[_i];
- }
- var refPaths = refFileMap && refFileMap.get(file.path);
- var refPathToReportErrorOn = ts.forEach(refPaths, function (refPath) { return rootPaths.has(refPath.file) ? refPath : undefined; }) ||
- ts.elementAt(refPaths, 0);
- programDiagnostics.add(refPathToReportErrorOn ? createFileDiagnosticAtReference.apply(void 0, __spreadArrays([refPathToReportErrorOn, message], args)) : ts.createCompilerDiagnostic.apply(void 0, __spreadArrays([message], args)));
- }
- function verifyProjectReferences() {
- var buildInfoPath = !options.noEmit && !options.suppressOutputPathCheck ? ts.getTsBuildInfoEmitOutputFilePath(options) : undefined;
- forEachProjectReference(projectReferences, resolvedProjectReferences, function (resolvedRef, index, parent) {
- var ref = (parent ? parent.commandLine.projectReferences : projectReferences)[index];
- var parentFile = parent && parent.sourceFile;
- if (!resolvedRef) {
- createDiagnosticForReference(parentFile, index, ts.Diagnostics.File_0_not_found, ref.path);
- return;
- }
- var options = resolvedRef.commandLine.options;
- if (!options.composite) {
- // ok to not have composite if the current program is container only
- var inputs = parent ? parent.commandLine.fileNames : rootNames;
- if (inputs.length) {
- createDiagnosticForReference(parentFile, index, ts.Diagnostics.Referenced_project_0_must_have_setting_composite_Colon_true, ref.path);
- }
- }
- if (ref.prepend) {
- var out = options.outFile || options.out;
- if (out) {
- if (!host.fileExists(out)) {
- createDiagnosticForReference(parentFile, index, ts.Diagnostics.Output_file_0_from_project_1_does_not_exist, out, ref.path);
- }
- }
- else {
- createDiagnosticForReference(parentFile, index, ts.Diagnostics.Cannot_prepend_project_0_because_it_does_not_have_outFile_set, ref.path);
- }
- }
- if (!parent && buildInfoPath && buildInfoPath === ts.getTsBuildInfoEmitOutputFilePath(options)) {
- createDiagnosticForReference(parentFile, index, ts.Diagnostics.Cannot_write_file_0_because_it_will_overwrite_tsbuildinfo_file_generated_by_referenced_project_1, buildInfoPath, ref.path);
- hasEmitBlockingDiagnostics.set(toPath(buildInfoPath), true);
- }
- });
- }
- function createDiagnosticForOptionPathKeyValue(key, valueIndex, message, arg0, arg1, arg2) {
- var needCompilerDiagnostic = true;
- var pathsSyntax = getOptionPathsSyntax();
- for (var _i = 0, pathsSyntax_1 = pathsSyntax; _i < pathsSyntax_1.length; _i++) {
- var pathProp = pathsSyntax_1[_i];
- if (ts.isObjectLiteralExpression(pathProp.initializer)) {
- for (var _a = 0, _b = ts.getPropertyAssignment(pathProp.initializer, key); _a < _b.length; _a++) {
- var keyProps = _b[_a];
- var initializer = keyProps.initializer;
- if (ts.isArrayLiteralExpression(initializer) && initializer.elements.length > valueIndex) {
- programDiagnostics.add(ts.createDiagnosticForNodeInSourceFile(options.configFile, initializer.elements[valueIndex], message, arg0, arg1, arg2));
- needCompilerDiagnostic = false;
- }
- }
- }
- }
- if (needCompilerDiagnostic) {
- programDiagnostics.add(ts.createCompilerDiagnostic(message, arg0, arg1, arg2));
- }
- }
- function createDiagnosticForOptionPaths(onKey, key, message, arg0) {
- var needCompilerDiagnostic = true;
- var pathsSyntax = getOptionPathsSyntax();
- for (var _i = 0, pathsSyntax_2 = pathsSyntax; _i < pathsSyntax_2.length; _i++) {
- var pathProp = pathsSyntax_2[_i];
- if (ts.isObjectLiteralExpression(pathProp.initializer) &&
- createOptionDiagnosticInObjectLiteralSyntax(pathProp.initializer, onKey, key, /*key2*/ undefined, message, arg0)) {
- needCompilerDiagnostic = false;
- }
- }
- if (needCompilerDiagnostic) {
- programDiagnostics.add(ts.createCompilerDiagnostic(message, arg0));
- }
- }
- function getOptionsSyntaxByName(name) {
- var compilerOptionsObjectLiteralSyntax = getCompilerOptionsObjectLiteralSyntax();
- if (compilerOptionsObjectLiteralSyntax) {
- return ts.getPropertyAssignment(compilerOptionsObjectLiteralSyntax, name);
- }
- return undefined;
- }
- function getOptionPathsSyntax() {
- return getOptionsSyntaxByName("paths") || ts.emptyArray;
- }
- function createDiagnosticForOptionName(message, option1, option2, option3) {
- createDiagnosticForOption(/*onKey*/ true, option1, option2, message, option1, option2, option3);
- }
- function createOptionValueDiagnostic(option1, message, arg0) {
- createDiagnosticForOption(/*onKey*/ false, option1, /*option2*/ undefined, message, arg0);
- }
- function createDiagnosticForReference(sourceFile, index, message, arg0, arg1) {
- var referencesSyntax = ts.firstDefined(ts.getTsConfigPropArray(sourceFile || options.configFile, "references"), function (property) { return ts.isArrayLiteralExpression(property.initializer) ? property.initializer : undefined; });
- if (referencesSyntax && referencesSyntax.elements.length > index) {
- programDiagnostics.add(ts.createDiagnosticForNodeInSourceFile(sourceFile || options.configFile, referencesSyntax.elements[index], message, arg0, arg1));
- }
- else {
- programDiagnostics.add(ts.createCompilerDiagnostic(message, arg0, arg1));
- }
- }
- function createDiagnosticForOption(onKey, option1, option2, message, arg0, arg1, arg2) {
- var compilerOptionsObjectLiteralSyntax = getCompilerOptionsObjectLiteralSyntax();
- var needCompilerDiagnostic = !compilerOptionsObjectLiteralSyntax ||
- !createOptionDiagnosticInObjectLiteralSyntax(compilerOptionsObjectLiteralSyntax, onKey, option1, option2, message, arg0, arg1, arg2);
- if (needCompilerDiagnostic) {
- programDiagnostics.add(ts.createCompilerDiagnostic(message, arg0, arg1, arg2));
- }
- }
- function getCompilerOptionsObjectLiteralSyntax() {
- if (_compilerOptionsObjectLiteralSyntax === undefined) {
- _compilerOptionsObjectLiteralSyntax = null; // eslint-disable-line no-null/no-null
- var jsonObjectLiteral = ts.getTsConfigObjectLiteralExpression(options.configFile);
- if (jsonObjectLiteral) {
- for (var _i = 0, _a = ts.getPropertyAssignment(jsonObjectLiteral, "compilerOptions"); _i < _a.length; _i++) {
- var prop = _a[_i];
- if (ts.isObjectLiteralExpression(prop.initializer)) {
- _compilerOptionsObjectLiteralSyntax = prop.initializer;
- break;
- }
- }
- }
- }
- return _compilerOptionsObjectLiteralSyntax;
- }
- function createOptionDiagnosticInObjectLiteralSyntax(objectLiteral, onKey, key1, key2, message, arg0, arg1, arg2) {
- var props = ts.getPropertyAssignment(objectLiteral, key1, key2);
- for (var _i = 0, props_3 = props; _i < props_3.length; _i++) {
- var prop = props_3[_i];
- programDiagnostics.add(ts.createDiagnosticForNodeInSourceFile(options.configFile, onKey ? prop.name : prop.initializer, message, arg0, arg1, arg2));
- }
- return !!props.length;
- }
- function blockEmittingOfFile(emitFileName, diag) {
- hasEmitBlockingDiagnostics.set(toPath(emitFileName), true);
- programDiagnostics.add(diag);
- }
- function isEmittedFile(file) {
- if (options.noEmit) {
- return false;
- }
- // If this is source file, its not emitted file
- var filePath = toPath(file);
- if (getSourceFileByPath(filePath)) {
- return false;
- }
- // If options have --outFile or --out just check that
- var out = options.outFile || options.out;
- if (out) {
- return isSameFile(filePath, out) || isSameFile(filePath, ts.removeFileExtension(out) + ".d.ts" /* Dts */);
- }
- // If declarationDir is specified, return if its a file in that directory
- if (options.declarationDir && ts.containsPath(options.declarationDir, filePath, currentDirectory, !host.useCaseSensitiveFileNames())) {
- return true;
- }
- // If --outDir, check if file is in that directory
- if (options.outDir) {
- return ts.containsPath(options.outDir, filePath, currentDirectory, !host.useCaseSensitiveFileNames());
- }
- if (ts.fileExtensionIsOneOf(filePath, ts.supportedJSExtensions) || ts.fileExtensionIs(filePath, ".d.ts" /* Dts */)) {
- // Otherwise just check if sourceFile with the name exists
- var filePathWithoutExtension = ts.removeFileExtension(filePath);
- return !!getSourceFileByPath((filePathWithoutExtension + ".ts" /* Ts */)) ||
- !!getSourceFileByPath((filePathWithoutExtension + ".tsx" /* Tsx */));
- }
- return false;
- }
- function isSameFile(file1, file2) {
- return ts.comparePaths(file1, file2, currentDirectory, !host.useCaseSensitiveFileNames()) === 0 /* EqualTo */;
- }
- function getProbableSymlinks() {
- if (host.getSymlinks) {
- return host.getSymlinks();
- }
- return symlinks || (symlinks = ts.discoverProbableSymlinks(files, getCanonicalFileName, host.getCurrentDirectory()));
- }
- }
- ts.createProgram = createProgram;
- function updateHostForUseSourceOfProjectReferenceRedirect(host) {
- var mapOfDeclarationDirectories;
- var symlinkedDirectories;
- var symlinkedFiles;
- var originalFileExists = host.compilerHost.fileExists;
- var originalDirectoryExists = host.compilerHost.directoryExists;
- var originalGetDirectories = host.compilerHost.getDirectories;
- var originalRealpath = host.compilerHost.realpath;
- if (!host.useSourceOfProjectReferenceRedirect)
- return { onProgramCreateComplete: ts.noop, fileExists: fileExists };
- host.compilerHost.fileExists = fileExists;
- if (originalDirectoryExists) {
- // This implementation of directoryExists checks if the directory being requested is
- // directory of .d.ts file for the referenced Project.
- // If it is it returns true irrespective of whether that directory exists on host
- host.compilerHost.directoryExists = function (path) {
- if (originalDirectoryExists.call(host.compilerHost, path)) {
- handleDirectoryCouldBeSymlink(path);
- return true;
- }
- if (!host.getResolvedProjectReferences())
- return false;
- if (!mapOfDeclarationDirectories) {
- mapOfDeclarationDirectories = ts.createMap();
- host.forEachResolvedProjectReference(function (ref) {
- if (!ref)
- return;
- var out = ref.commandLine.options.outFile || ref.commandLine.options.out;
- if (out) {
- mapOfDeclarationDirectories.set(ts.getDirectoryPath(host.toPath(out)), true);
- }
- else {
- // Set declaration's in different locations only, if they are next to source the directory present doesnt change
- var declarationDir = ref.commandLine.options.declarationDir || ref.commandLine.options.outDir;
- if (declarationDir) {
- mapOfDeclarationDirectories.set(host.toPath(declarationDir), true);
- }
- }
- });
- }
- return fileOrDirectoryExistsUsingSource(path, /*isFile*/ false);
- };
- }
- if (originalGetDirectories) {
- // Call getDirectories only if directory actually present on the host
- // This is needed to ensure that we arent getting directories that we fake about presence for
- host.compilerHost.getDirectories = function (path) {
- return !host.getResolvedProjectReferences() || (originalDirectoryExists && originalDirectoryExists.call(host.compilerHost, path)) ?
- originalGetDirectories.call(host.compilerHost, path) :
- [];
- };
- }
- // This is something we keep for life time of the host
- if (originalRealpath) {
- host.compilerHost.realpath = function (s) {
- return (symlinkedFiles === null || symlinkedFiles === void 0 ? void 0 : symlinkedFiles.get(host.toPath(s))) ||
- originalRealpath.call(host.compilerHost, s);
- };
- }
- return { onProgramCreateComplete: onProgramCreateComplete, fileExists: fileExists };
- function onProgramCreateComplete() {
- host.compilerHost.fileExists = originalFileExists;
- host.compilerHost.directoryExists = originalDirectoryExists;
- host.compilerHost.getDirectories = originalGetDirectories;
- // DO not revert realpath as it could be used later
- }
- // This implementation of fileExists checks if the file being requested is
- // .d.ts file for the referenced Project.
- // If it is it returns true irrespective of whether that file exists on host
- function fileExists(file) {
- if (originalFileExists.call(host.compilerHost, file))
- return true;
- if (!host.getResolvedProjectReferences())
- return false;
- if (!ts.isDeclarationFileName(file))
- return false;
- // Project references go to source file instead of .d.ts file
- return fileOrDirectoryExistsUsingSource(file, /*isFile*/ true);
- }
- function fileExistsIfProjectReferenceDts(file) {
- var source = host.getSourceOfProjectReferenceRedirect(file);
- return source !== undefined ?
- ts.isString(source) ? originalFileExists.call(host.compilerHost, source) : true :
- undefined;
- }
- function directoryExistsIfProjectReferenceDeclDir(dir) {
- var dirPath = host.toPath(dir);
- var dirPathWithTrailingDirectorySeparator = "" + dirPath + ts.directorySeparator;
- return ts.forEachKey(mapOfDeclarationDirectories, function (declDirPath) { return dirPath === declDirPath ||
- // Any parent directory of declaration dir
- ts.startsWith(declDirPath, dirPathWithTrailingDirectorySeparator) ||
- // Any directory inside declaration dir
- ts.startsWith(dirPath, declDirPath + "/"); });
- }
- function handleDirectoryCouldBeSymlink(directory) {
- if (!host.getResolvedProjectReferences())
- return;
- // Because we already watch node_modules, handle symlinks in there
- if (!originalRealpath || !ts.stringContains(directory, ts.nodeModulesPathPart))
- return;
- if (!symlinkedDirectories)
- symlinkedDirectories = ts.createMap();
- var directoryPath = ts.ensureTrailingDirectorySeparator(host.toPath(directory));
- if (symlinkedDirectories.has(directoryPath))
- return;
- var real = ts.normalizePath(originalRealpath.call(host.compilerHost, directory));
- var realPath;
- if (real === directory ||
- (realPath = ts.ensureTrailingDirectorySeparator(host.toPath(real))) === directoryPath) {
- // not symlinked
- symlinkedDirectories.set(directoryPath, false);
- return;
- }
- symlinkedDirectories.set(directoryPath, {
- real: ts.ensureTrailingDirectorySeparator(real),
- realPath: realPath
- });
- }
- function fileOrDirectoryExistsUsingSource(fileOrDirectory, isFile) {
- var fileOrDirectoryExistsUsingSource = isFile ?
- function (file) { return fileExistsIfProjectReferenceDts(file); } :
- function (dir) { return directoryExistsIfProjectReferenceDeclDir(dir); };
- // Check current directory or file
- var result = fileOrDirectoryExistsUsingSource(fileOrDirectory);
- if (result !== undefined)
- return result;
- if (!symlinkedDirectories)
- return false;
- var fileOrDirectoryPath = host.toPath(fileOrDirectory);
- if (!ts.stringContains(fileOrDirectoryPath, ts.nodeModulesPathPart))
- return false;
- if (isFile && symlinkedFiles && symlinkedFiles.has(fileOrDirectoryPath))
- return true;
- // If it contains node_modules check if its one of the symlinked path we know of
- return ts.firstDefinedIterator(symlinkedDirectories.entries(), function (_a) {
- var directoryPath = _a[0], symlinkedDirectory = _a[1];
- if (!symlinkedDirectory || !ts.startsWith(fileOrDirectoryPath, directoryPath))
- return undefined;
- var result = fileOrDirectoryExistsUsingSource(fileOrDirectoryPath.replace(directoryPath, symlinkedDirectory.realPath));
- if (isFile && result) {
- if (!symlinkedFiles)
- symlinkedFiles = ts.createMap();
- // Store the real path for the file'
- var absolutePath = ts.getNormalizedAbsolutePath(fileOrDirectory, host.compilerHost.getCurrentDirectory());
- symlinkedFiles.set(fileOrDirectoryPath, "" + symlinkedDirectory.real + absolutePath.replace(new RegExp(directoryPath, "i"), ""));
- }
- return result;
- }) || false;
- }
- }
- /*@internal*/
- function handleNoEmitOptions(program, sourceFile, cancellationToken) {
- var options = program.getCompilerOptions();
- if (options.noEmit) {
- return { diagnostics: ts.emptyArray, sourceMaps: undefined, emittedFiles: undefined, emitSkipped: true };
- }
- // If the noEmitOnError flag is set, then check if we have any errors so far. If so,
- // immediately bail out. Note that we pass 'undefined' for 'sourceFile' so that we
- // get any preEmit diagnostics, not just the ones
- if (!options.noEmitOnError)
- return undefined;
- var diagnostics = __spreadArrays(program.getOptionsDiagnostics(cancellationToken), program.getSyntacticDiagnostics(sourceFile, cancellationToken), program.getGlobalDiagnostics(cancellationToken), program.getSemanticDiagnostics(sourceFile, cancellationToken));
- if (diagnostics.length === 0 && ts.getEmitDeclarations(program.getCompilerOptions())) {
- diagnostics = program.getDeclarationDiagnostics(/*sourceFile*/ undefined, cancellationToken);
- }
- return diagnostics.length > 0 ?
- { diagnostics: diagnostics, sourceMaps: undefined, emittedFiles: undefined, emitSkipped: true } :
- undefined;
- }
- ts.handleNoEmitOptions = handleNoEmitOptions;
- /* @internal */
- function parseConfigHostFromCompilerHostLike(host, directoryStructureHost) {
- if (directoryStructureHost === void 0) { directoryStructureHost = host; }
- return {
- fileExists: function (f) { return directoryStructureHost.fileExists(f); },
- readDirectory: function (root, extensions, excludes, includes, depth) {
- ts.Debug.assertIsDefined(directoryStructureHost.readDirectory, "'CompilerHost.readDirectory' must be implemented to correctly process 'projectReferences'");
- return directoryStructureHost.readDirectory(root, extensions, excludes, includes, depth);
- },
- readFile: function (f) { return directoryStructureHost.readFile(f); },
- useCaseSensitiveFileNames: host.useCaseSensitiveFileNames(),
- getCurrentDirectory: function () { return host.getCurrentDirectory(); },
- onUnRecoverableConfigFileDiagnostic: host.onUnRecoverableConfigFileDiagnostic || ts.returnUndefined,
- trace: host.trace ? function (s) { return host.trace(s); } : undefined
- };
- }
- ts.parseConfigHostFromCompilerHostLike = parseConfigHostFromCompilerHostLike;
- /* @internal */
- function createPrependNodes(projectReferences, getCommandLine, readFile) {
- if (!projectReferences)
- return ts.emptyArray;
- var nodes;
- for (var i = 0; i < projectReferences.length; i++) {
- var ref = projectReferences[i];
- var resolvedRefOpts = getCommandLine(ref, i);
- if (ref.prepend && resolvedRefOpts && resolvedRefOpts.options) {
- var out = resolvedRefOpts.options.outFile || resolvedRefOpts.options.out;
- // Upstream project didn't have outFile set -- skip (error will have been issued earlier)
- if (!out)
- continue;
- var _a = ts.getOutputPathsForBundle(resolvedRefOpts.options, /*forceDtsPaths*/ true), jsFilePath = _a.jsFilePath, sourceMapFilePath = _a.sourceMapFilePath, declarationFilePath = _a.declarationFilePath, declarationMapPath = _a.declarationMapPath, buildInfoPath = _a.buildInfoPath;
- var node = ts.createInputFiles(readFile, jsFilePath, sourceMapFilePath, declarationFilePath, declarationMapPath, buildInfoPath);
- (nodes || (nodes = [])).push(node);
- }
- }
- return nodes || ts.emptyArray;
- }
- ts.createPrependNodes = createPrependNodes;
- function resolveProjectReferencePath(hostOrRef, ref) {
- var passedInRef = ref ? ref : hostOrRef;
- return ts.resolveConfigFileProjectName(passedInRef.path);
- }
- ts.resolveProjectReferencePath = resolveProjectReferencePath;
- /* @internal */
- /**
- * Returns a DiagnosticMessage if we won't include a resolved module due to its extension.
- * The DiagnosticMessage's parameters are the imported module name, and the filename it resolved to.
- * This returns a diagnostic even if the module will be an untyped module.
- */
- function getResolutionDiagnostic(options, _a) {
- var extension = _a.extension;
- switch (extension) {
- case ".ts" /* Ts */:
- case ".d.ts" /* Dts */:
- // These are always allowed.
- return undefined;
- case ".tsx" /* Tsx */:
- return needJsx();
- case ".jsx" /* Jsx */:
- return needJsx() || needAllowJs();
- case ".js" /* Js */:
- return needAllowJs();
- case ".json" /* Json */:
- return needResolveJsonModule();
- }
- function needJsx() {
- return options.jsx ? undefined : ts.Diagnostics.Module_0_was_resolved_to_1_but_jsx_is_not_set;
- }
- function needAllowJs() {
- return options.allowJs || !ts.getStrictOptionValue(options, "noImplicitAny") ? undefined : ts.Diagnostics.Could_not_find_a_declaration_file_for_module_0_1_implicitly_has_an_any_type;
- }
- function needResolveJsonModule() {
- return options.resolveJsonModule ? undefined : ts.Diagnostics.Module_0_was_resolved_to_1_but_resolveJsonModule_is_not_used;
- }
- }
- ts.getResolutionDiagnostic = getResolutionDiagnostic;
- function getModuleNames(_a) {
- var imports = _a.imports, moduleAugmentations = _a.moduleAugmentations;
- var res = imports.map(function (i) { return i.text; });
- for (var _i = 0, moduleAugmentations_1 = moduleAugmentations; _i < moduleAugmentations_1.length; _i++) {
- var aug = moduleAugmentations_1[_i];
- if (aug.kind === 10 /* StringLiteral */) {
- res.push(aug.text);
- }
- // Do nothing if it's an Identifier; we don't need to do module resolution for `declare global`.
- }
- return res;
- }
-})(ts || (ts = {}));
-/*@internal*/
-var ts;
-(function (ts) {
- function getFileEmitOutput(program, sourceFile, emitOnlyDtsFiles, cancellationToken, customTransformers, forceDtsEmit) {
- var outputFiles = [];
- var _a = program.emit(sourceFile, writeFile, cancellationToken, emitOnlyDtsFiles, customTransformers, forceDtsEmit), emitSkipped = _a.emitSkipped, diagnostics = _a.diagnostics, exportedModulesFromDeclarationEmit = _a.exportedModulesFromDeclarationEmit;
- return { outputFiles: outputFiles, emitSkipped: emitSkipped, diagnostics: diagnostics, exportedModulesFromDeclarationEmit: exportedModulesFromDeclarationEmit };
- function writeFile(fileName, text, writeByteOrderMark) {
- outputFiles.push({ name: fileName, writeByteOrderMark: writeByteOrderMark, text: text });
- }
- }
- ts.getFileEmitOutput = getFileEmitOutput;
- var BuilderState;
- (function (BuilderState) {
- /**
- * Get the referencedFile from the imported module symbol
- */
- function getReferencedFileFromImportedModuleSymbol(symbol) {
- if (symbol.declarations && symbol.declarations[0]) {
- var declarationSourceFile = ts.getSourceFileOfNode(symbol.declarations[0]);
- return declarationSourceFile && declarationSourceFile.resolvedPath;
- }
- }
- /**
- * Get the referencedFile from the import name node from file
- */
- function getReferencedFileFromImportLiteral(checker, importName) {
- var symbol = checker.getSymbolAtLocation(importName);
- return symbol && getReferencedFileFromImportedModuleSymbol(symbol);
- }
- /**
- * Gets the path to reference file from file name, it could be resolvedPath if present otherwise path
- */
- function getReferencedFileFromFileName(program, fileName, sourceFileDirectory, getCanonicalFileName) {
- return ts.toPath(program.getProjectReferenceRedirect(fileName) || fileName, sourceFileDirectory, getCanonicalFileName);
- }
- /**
- * Gets the referenced files for a file from the program with values for the keys as referenced file's path to be true
- */
- function getReferencedFiles(program, sourceFile, getCanonicalFileName) {
- var referencedFiles;
- // We need to use a set here since the code can contain the same import twice,
- // but that will only be one dependency.
- // To avoid invernal conversion, the key of the referencedFiles map must be of type Path
- if (sourceFile.imports && sourceFile.imports.length > 0) {
- var checker = program.getTypeChecker();
- for (var _i = 0, _a = sourceFile.imports; _i < _a.length; _i++) {
- var importName = _a[_i];
- var declarationSourceFilePath = getReferencedFileFromImportLiteral(checker, importName);
- if (declarationSourceFilePath) {
- addReferencedFile(declarationSourceFilePath);
- }
- }
- }
- var sourceFileDirectory = ts.getDirectoryPath(sourceFile.resolvedPath);
- // Handle triple slash references
- if (sourceFile.referencedFiles && sourceFile.referencedFiles.length > 0) {
- for (var _b = 0, _c = sourceFile.referencedFiles; _b < _c.length; _b++) {
- var referencedFile = _c[_b];
- var referencedPath = getReferencedFileFromFileName(program, referencedFile.fileName, sourceFileDirectory, getCanonicalFileName);
- addReferencedFile(referencedPath);
- }
- }
- // Handle type reference directives
- if (sourceFile.resolvedTypeReferenceDirectiveNames) {
- sourceFile.resolvedTypeReferenceDirectiveNames.forEach(function (resolvedTypeReferenceDirective) {
- if (!resolvedTypeReferenceDirective) {
- return;
- }
- var fileName = resolvedTypeReferenceDirective.resolvedFileName; // TODO: GH#18217
- var typeFilePath = getReferencedFileFromFileName(program, fileName, sourceFileDirectory, getCanonicalFileName);
- addReferencedFile(typeFilePath);
- });
- }
- // Add module augmentation as references
- if (sourceFile.moduleAugmentations.length) {
- var checker = program.getTypeChecker();
- for (var _d = 0, _e = sourceFile.moduleAugmentations; _d < _e.length; _d++) {
- var moduleName = _e[_d];
- if (!ts.isStringLiteral(moduleName)) {
- continue;
- }
- var symbol = checker.getSymbolAtLocation(moduleName);
- if (!symbol) {
- continue;
- }
- // Add any file other than our own as reference
- addReferenceFromAmbientModule(symbol);
- }
- }
- // From ambient modules
- for (var _f = 0, _g = program.getTypeChecker().getAmbientModules(); _f < _g.length; _f++) {
- var ambientModule = _g[_f];
- if (ambientModule.declarations.length > 1) {
- addReferenceFromAmbientModule(ambientModule);
- }
- }
- return referencedFiles;
- function addReferenceFromAmbientModule(symbol) {
- // Add any file other than our own as reference
- for (var _i = 0, _a = symbol.declarations; _i < _a.length; _i++) {
- var declaration = _a[_i];
- var declarationSourceFile = ts.getSourceFileOfNode(declaration);
- if (declarationSourceFile &&
- declarationSourceFile !== sourceFile) {
- addReferencedFile(declarationSourceFile.resolvedPath);
- }
- }
- }
- function addReferencedFile(referencedPath) {
- if (!referencedFiles) {
- referencedFiles = ts.createMap();
- }
- referencedFiles.set(referencedPath, true);
- }
- }
- /**
- * Returns true if oldState is reusable, that is the emitKind = module/non module has not changed
- */
- function canReuseOldState(newReferencedMap, oldState) {
- return oldState && !oldState.referencedMap === !newReferencedMap;
- }
- BuilderState.canReuseOldState = canReuseOldState;
- /**
- * Creates the state of file references and signature for the new program from oldState if it is safe
- */
- function create(newProgram, getCanonicalFileName, oldState) {
- var fileInfos = ts.createMap();
- var referencedMap = newProgram.getCompilerOptions().module !== ts.ModuleKind.None ? ts.createMap() : undefined;
- var exportedModulesMap = referencedMap ? ts.createMap() : undefined;
- var hasCalledUpdateShapeSignature = ts.createMap();
- var useOldState = canReuseOldState(referencedMap, oldState);
- // Create the reference map, and set the file infos
- for (var _i = 0, _a = newProgram.getSourceFiles(); _i < _a.length; _i++) {
- var sourceFile = _a[_i];
- var version_1 = ts.Debug.checkDefined(sourceFile.version, "Program intended to be used with Builder should have source files with versions set");
- var oldInfo = useOldState ? oldState.fileInfos.get(sourceFile.resolvedPath) : undefined;
- if (referencedMap) {
- var newReferences = getReferencedFiles(newProgram, sourceFile, getCanonicalFileName);
- if (newReferences) {
- referencedMap.set(sourceFile.resolvedPath, newReferences);
- }
- // Copy old visible to outside files map
- if (useOldState) {
- var exportedModules = oldState.exportedModulesMap.get(sourceFile.resolvedPath);
- if (exportedModules) {
- exportedModulesMap.set(sourceFile.resolvedPath, exportedModules);
- }
- }
- }
- fileInfos.set(sourceFile.resolvedPath, { version: version_1, signature: oldInfo && oldInfo.signature, affectsGlobalScope: isFileAffectingGlobalScope(sourceFile) });
- }
- return {
- fileInfos: fileInfos,
- referencedMap: referencedMap,
- exportedModulesMap: exportedModulesMap,
- hasCalledUpdateShapeSignature: hasCalledUpdateShapeSignature
- };
- }
- BuilderState.create = create;
- /**
- * Releases needed properties
- */
- function releaseCache(state) {
- state.allFilesExcludingDefaultLibraryFile = undefined;
- state.allFileNames = undefined;
- }
- BuilderState.releaseCache = releaseCache;
- /**
- * Creates a clone of the state
- */
- function clone(state) {
- var fileInfos = ts.createMap();
- state.fileInfos.forEach(function (value, key) {
- fileInfos.set(key, __assign({}, value));
- });
- // Dont need to backup allFiles info since its cache anyway
- return {
- fileInfos: fileInfos,
- referencedMap: cloneMapOrUndefined(state.referencedMap),
- exportedModulesMap: cloneMapOrUndefined(state.exportedModulesMap),
- hasCalledUpdateShapeSignature: ts.cloneMap(state.hasCalledUpdateShapeSignature),
- };
- }
- BuilderState.clone = clone;
- /**
- * Gets the files affected by the path from the program
- */
- function getFilesAffectedBy(state, programOfThisState, path, cancellationToken, computeHash, cacheToUpdateSignature, exportedModulesMapCache) {
- // Since the operation could be cancelled, the signatures are always stored in the cache
- // They will be committed once it is safe to use them
- // eg when calling this api from tsserver, if there is no cancellation of the operation
- // In the other cases the affected files signatures are committed only after the iteration through the result is complete
- var signatureCache = cacheToUpdateSignature || ts.createMap();
- var sourceFile = programOfThisState.getSourceFileByPath(path);
- if (!sourceFile) {
- return ts.emptyArray;
- }
- if (!updateShapeSignature(state, programOfThisState, sourceFile, signatureCache, cancellationToken, computeHash, exportedModulesMapCache)) {
- return [sourceFile];
- }
- var result = (state.referencedMap ? getFilesAffectedByUpdatedShapeWhenModuleEmit : getFilesAffectedByUpdatedShapeWhenNonModuleEmit)(state, programOfThisState, sourceFile, signatureCache, cancellationToken, computeHash, exportedModulesMapCache);
- if (!cacheToUpdateSignature) {
- // Commit all the signatures in the signature cache
- updateSignaturesFromCache(state, signatureCache);
- }
- return result;
- }
- BuilderState.getFilesAffectedBy = getFilesAffectedBy;
- /**
- * Updates the signatures from the cache into state's fileinfo signatures
- * This should be called whenever it is safe to commit the state of the builder
- */
- function updateSignaturesFromCache(state, signatureCache) {
- signatureCache.forEach(function (signature, path) { return updateSignatureOfFile(state, signature, path); });
- }
- BuilderState.updateSignaturesFromCache = updateSignaturesFromCache;
- function updateSignatureOfFile(state, signature, path) {
- state.fileInfos.get(path).signature = signature;
- state.hasCalledUpdateShapeSignature.set(path, true);
- }
- BuilderState.updateSignatureOfFile = updateSignatureOfFile;
- /**
- * Returns if the shape of the signature has changed since last emit
- */
- function updateShapeSignature(state, programOfThisState, sourceFile, cacheToUpdateSignature, cancellationToken, computeHash, exportedModulesMapCache) {
- ts.Debug.assert(!!sourceFile);
- ts.Debug.assert(!exportedModulesMapCache || !!state.exportedModulesMap, "Compute visible to outside map only if visibleToOutsideReferencedMap present in the state");
- // If we have cached the result for this file, that means hence forth we should assume file shape is uptodate
- if (state.hasCalledUpdateShapeSignature.has(sourceFile.resolvedPath) || cacheToUpdateSignature.has(sourceFile.resolvedPath)) {
- return false;
- }
- var info = state.fileInfos.get(sourceFile.resolvedPath);
- if (!info)
- return ts.Debug.fail();
- var prevSignature = info.signature;
- var latestSignature;
- if (sourceFile.isDeclarationFile) {
- latestSignature = sourceFile.version;
- if (exportedModulesMapCache && latestSignature !== prevSignature) {
- // All the references in this file are exported
- var references = state.referencedMap ? state.referencedMap.get(sourceFile.resolvedPath) : undefined;
- exportedModulesMapCache.set(sourceFile.resolvedPath, references || false);
- }
- }
- else {
- var emitOutput_1 = getFileEmitOutput(programOfThisState, sourceFile,
- /*emitOnlyDtsFiles*/ true, cancellationToken,
- /*customTransformers*/ undefined,
- /*forceDtsEmit*/ true);
- var firstDts_1 = emitOutput_1.outputFiles &&
- programOfThisState.getCompilerOptions().declarationMap ?
- emitOutput_1.outputFiles.length > 1 ? emitOutput_1.outputFiles[1] : undefined :
- emitOutput_1.outputFiles.length > 0 ? emitOutput_1.outputFiles[0] : undefined;
- if (firstDts_1) {
- ts.Debug.assert(ts.fileExtensionIs(firstDts_1.name, ".d.ts" /* Dts */), "File extension for signature expected to be dts", function () { return "Found: " + ts.getAnyExtensionFromPath(firstDts_1.name) + " for " + firstDts_1.name + ":: All output files: " + JSON.stringify(emitOutput_1.outputFiles.map(function (f) { return f.name; })); });
- latestSignature = computeHash(firstDts_1.text);
- if (exportedModulesMapCache && latestSignature !== prevSignature) {
- updateExportedModules(sourceFile, emitOutput_1.exportedModulesFromDeclarationEmit, exportedModulesMapCache);
- }
- }
- else {
- latestSignature = prevSignature; // TODO: GH#18217
- }
- }
- cacheToUpdateSignature.set(sourceFile.resolvedPath, latestSignature);
- return !prevSignature || latestSignature !== prevSignature;
- }
- BuilderState.updateShapeSignature = updateShapeSignature;
- /**
- * Coverts the declaration emit result into exported modules map
- */
- function updateExportedModules(sourceFile, exportedModulesFromDeclarationEmit, exportedModulesMapCache) {
- if (!exportedModulesFromDeclarationEmit) {
- exportedModulesMapCache.set(sourceFile.resolvedPath, false);
- return;
- }
- var exportedModules;
- exportedModulesFromDeclarationEmit.forEach(function (symbol) { return addExportedModule(getReferencedFileFromImportedModuleSymbol(symbol)); });
- exportedModulesMapCache.set(sourceFile.resolvedPath, exportedModules || false);
- function addExportedModule(exportedModulePath) {
- if (exportedModulePath) {
- if (!exportedModules) {
- exportedModules = ts.createMap();
- }
- exportedModules.set(exportedModulePath, true);
- }
- }
- }
- /**
- * Updates the exported modules from cache into state's exported modules map
- * This should be called whenever it is safe to commit the state of the builder
- */
- function updateExportedFilesMapFromCache(state, exportedModulesMapCache) {
- if (exportedModulesMapCache) {
- ts.Debug.assert(!!state.exportedModulesMap);
- exportedModulesMapCache.forEach(function (exportedModules, path) {
- if (exportedModules) {
- state.exportedModulesMap.set(path, exportedModules);
- }
- else {
- state.exportedModulesMap.delete(path);
- }
- });
- }
- }
- BuilderState.updateExportedFilesMapFromCache = updateExportedFilesMapFromCache;
- /**
- * Get all the dependencies of the sourceFile
- */
- function getAllDependencies(state, programOfThisState, sourceFile) {
- var compilerOptions = programOfThisState.getCompilerOptions();
- // With --out or --outFile all outputs go into single file, all files depend on each other
- if (compilerOptions.outFile || compilerOptions.out) {
- return getAllFileNames(state, programOfThisState);
- }
- // If this is non module emit, or its a global file, it depends on all the source files
- if (!state.referencedMap || isFileAffectingGlobalScope(sourceFile)) {
- return getAllFileNames(state, programOfThisState);
- }
- // Get the references, traversing deep from the referenceMap
- var seenMap = ts.createMap();
- var queue = [sourceFile.resolvedPath];
- while (queue.length) {
- var path = queue.pop();
- if (!seenMap.has(path)) {
- seenMap.set(path, true);
- var references = state.referencedMap.get(path);
- if (references) {
- var iterator = references.keys();
- for (var iterResult = iterator.next(); !iterResult.done; iterResult = iterator.next()) {
- queue.push(iterResult.value);
- }
- }
- }
- }
- return ts.arrayFrom(ts.mapDefinedIterator(seenMap.keys(), function (path) {
- var file = programOfThisState.getSourceFileByPath(path);
- return file ? file.fileName : path;
- }));
- }
- BuilderState.getAllDependencies = getAllDependencies;
- /**
- * Gets the names of all files from the program
- */
- function getAllFileNames(state, programOfThisState) {
- if (!state.allFileNames) {
- var sourceFiles = programOfThisState.getSourceFiles();
- state.allFileNames = sourceFiles === ts.emptyArray ? ts.emptyArray : sourceFiles.map(function (file) { return file.fileName; });
- }
- return state.allFileNames;
- }
- /**
- * Gets the files referenced by the the file path
- */
- function getReferencedByPaths(state, referencedFilePath) {
- return ts.arrayFrom(ts.mapDefinedIterator(state.referencedMap.entries(), function (_a) {
- var filePath = _a[0], referencesInFile = _a[1];
- return referencesInFile.has(referencedFilePath) ? filePath : undefined;
- }));
- }
- BuilderState.getReferencedByPaths = getReferencedByPaths;
- /**
- * For script files that contains only ambient external modules, although they are not actually external module files,
- * they can only be consumed via importing elements from them. Regular script files cannot consume them. Therefore,
- * there are no point to rebuild all script files if these special files have changed. However, if any statement
- * in the file is not ambient external module, we treat it as a regular script file.
- */
- function containsOnlyAmbientModules(sourceFile) {
- for (var _i = 0, _a = sourceFile.statements; _i < _a.length; _i++) {
- var statement = _a[_i];
- if (!ts.isModuleWithStringLiteralName(statement)) {
- return false;
- }
- }
- return true;
- }
- /**
- * Return true if file contains anything that augments to global scope we need to build them as if
- * they are global files as well as module
- */
- function containsGlobalScopeAugmentation(sourceFile) {
- return ts.some(sourceFile.moduleAugmentations, function (augmentation) { return ts.isGlobalScopeAugmentation(augmentation.parent); });
- }
- /**
- * Return true if the file will invalidate all files because it affectes global scope
- */
- function isFileAffectingGlobalScope(sourceFile) {
- return containsGlobalScopeAugmentation(sourceFile) ||
- !ts.isExternalModule(sourceFile) && !containsOnlyAmbientModules(sourceFile);
- }
- /**
- * Gets all files of the program excluding the default library file
- */
- function getAllFilesExcludingDefaultLibraryFile(state, programOfThisState, firstSourceFile) {
- // Use cached result
- if (state.allFilesExcludingDefaultLibraryFile) {
- return state.allFilesExcludingDefaultLibraryFile;
- }
- var result;
- if (firstSourceFile)
- addSourceFile(firstSourceFile);
- for (var _i = 0, _a = programOfThisState.getSourceFiles(); _i < _a.length; _i++) {
- var sourceFile = _a[_i];
- if (sourceFile !== firstSourceFile) {
- addSourceFile(sourceFile);
- }
- }
- state.allFilesExcludingDefaultLibraryFile = result || ts.emptyArray;
- return state.allFilesExcludingDefaultLibraryFile;
- function addSourceFile(sourceFile) {
- if (!programOfThisState.isSourceFileDefaultLibrary(sourceFile)) {
- (result || (result = [])).push(sourceFile);
- }
- }
- }
- BuilderState.getAllFilesExcludingDefaultLibraryFile = getAllFilesExcludingDefaultLibraryFile;
- /**
- * When program emits non modular code, gets the files affected by the sourceFile whose shape has changed
- */
- function getFilesAffectedByUpdatedShapeWhenNonModuleEmit(state, programOfThisState, sourceFileWithUpdatedShape) {
- var compilerOptions = programOfThisState.getCompilerOptions();
- // If `--out` or `--outFile` is specified, any new emit will result in re-emitting the entire project,
- // so returning the file itself is good enough.
- if (compilerOptions && (compilerOptions.out || compilerOptions.outFile)) {
- return [sourceFileWithUpdatedShape];
- }
- return getAllFilesExcludingDefaultLibraryFile(state, programOfThisState, sourceFileWithUpdatedShape);
- }
- /**
- * When program emits modular code, gets the files affected by the sourceFile whose shape has changed
- */
- function getFilesAffectedByUpdatedShapeWhenModuleEmit(state, programOfThisState, sourceFileWithUpdatedShape, cacheToUpdateSignature, cancellationToken, computeHash, exportedModulesMapCache) {
- if (isFileAffectingGlobalScope(sourceFileWithUpdatedShape)) {
- return getAllFilesExcludingDefaultLibraryFile(state, programOfThisState, sourceFileWithUpdatedShape);
- }
- var compilerOptions = programOfThisState.getCompilerOptions();
- if (compilerOptions && (compilerOptions.isolatedModules || compilerOptions.out || compilerOptions.outFile)) {
- return [sourceFileWithUpdatedShape];
- }
- // Now we need to if each file in the referencedBy list has a shape change as well.
- // Because if so, its own referencedBy files need to be saved as well to make the
- // emitting result consistent with files on disk.
- var seenFileNamesMap = ts.createMap();
- // Start with the paths this file was referenced by
- seenFileNamesMap.set(sourceFileWithUpdatedShape.resolvedPath, sourceFileWithUpdatedShape);
- var queue = getReferencedByPaths(state, sourceFileWithUpdatedShape.resolvedPath);
- while (queue.length > 0) {
- var currentPath = queue.pop();
- if (!seenFileNamesMap.has(currentPath)) {
- var currentSourceFile = programOfThisState.getSourceFileByPath(currentPath);
- seenFileNamesMap.set(currentPath, currentSourceFile);
- if (currentSourceFile && updateShapeSignature(state, programOfThisState, currentSourceFile, cacheToUpdateSignature, cancellationToken, computeHash, exportedModulesMapCache)) { // TODO: GH#18217
- queue.push.apply(// TODO: GH#18217
- queue, getReferencedByPaths(state, currentSourceFile.resolvedPath));
- }
- }
- }
- // Return array of values that needs emit
- // Return array of values that needs emit
- return ts.arrayFrom(ts.mapDefinedIterator(seenFileNamesMap.values(), function (value) { return value; }));
- }
- })(BuilderState = ts.BuilderState || (ts.BuilderState = {}));
- function cloneMapOrUndefined(map) {
- return map ? ts.cloneMap(map) : undefined;
- }
- ts.cloneMapOrUndefined = cloneMapOrUndefined;
-})(ts || (ts = {}));
-/*@internal*/
-var ts;
-(function (ts) {
- var BuilderFileEmit;
- (function (BuilderFileEmit) {
- BuilderFileEmit[BuilderFileEmit["DtsOnly"] = 0] = "DtsOnly";
- BuilderFileEmit[BuilderFileEmit["Full"] = 1] = "Full";
- })(BuilderFileEmit = ts.BuilderFileEmit || (ts.BuilderFileEmit = {}));
- function hasSameKeys(map1, map2) {
- // Has same size and every key is present in both maps
- return map1 === map2 || map1 !== undefined && map2 !== undefined && map1.size === map2.size && !ts.forEachKey(map1, function (key) { return !map2.has(key); });
- }
- /**
- * Create the state so that we can iterate on changedFiles/affected files
- */
- function createBuilderProgramState(newProgram, getCanonicalFileName, oldState) {
- var state = ts.BuilderState.create(newProgram, getCanonicalFileName, oldState);
- state.program = newProgram;
- var compilerOptions = newProgram.getCompilerOptions();
- state.compilerOptions = compilerOptions;
- // With --out or --outFile, any change affects all semantic diagnostics so no need to cache them
- if (!compilerOptions.outFile && !compilerOptions.out) {
- state.semanticDiagnosticsPerFile = ts.createMap();
- }
- state.changedFilesSet = ts.createMap();
- var useOldState = ts.BuilderState.canReuseOldState(state.referencedMap, oldState);
- var oldCompilerOptions = useOldState ? oldState.compilerOptions : undefined;
- var canCopySemanticDiagnostics = useOldState && oldState.semanticDiagnosticsPerFile && !!state.semanticDiagnosticsPerFile &&
- !ts.compilerOptionsAffectSemanticDiagnostics(compilerOptions, oldCompilerOptions);
- if (useOldState) {
- // Verify the sanity of old state
- if (!oldState.currentChangedFilePath) {
- var affectedSignatures = oldState.currentAffectedFilesSignatures;
- ts.Debug.assert(!oldState.affectedFiles && (!affectedSignatures || !affectedSignatures.size), "Cannot reuse if only few affected files of currentChangedFile were iterated");
- }
- var changedFilesSet = oldState.changedFilesSet;
- if (canCopySemanticDiagnostics) {
- ts.Debug.assert(!changedFilesSet || !ts.forEachKey(changedFilesSet, function (path) { return oldState.semanticDiagnosticsPerFile.has(path); }), "Semantic diagnostics shouldnt be available for changed files");
- }
- // Copy old state's changed files set
- if (changedFilesSet) {
- ts.copyEntries(changedFilesSet, state.changedFilesSet);
- }
- if (!compilerOptions.outFile && !compilerOptions.out && oldState.affectedFilesPendingEmit) {
- state.affectedFilesPendingEmit = oldState.affectedFilesPendingEmit.slice();
- state.affectedFilesPendingEmitKind = ts.cloneMapOrUndefined(oldState.affectedFilesPendingEmitKind);
- state.affectedFilesPendingEmitIndex = oldState.affectedFilesPendingEmitIndex;
- state.seenAffectedFiles = ts.createMap();
- }
- }
- // Update changed files and copy semantic diagnostics if we can
- var referencedMap = state.referencedMap;
- var oldReferencedMap = useOldState ? oldState.referencedMap : undefined;
- var copyDeclarationFileDiagnostics = canCopySemanticDiagnostics && !compilerOptions.skipLibCheck === !oldCompilerOptions.skipLibCheck;
- var copyLibFileDiagnostics = copyDeclarationFileDiagnostics && !compilerOptions.skipDefaultLibCheck === !oldCompilerOptions.skipDefaultLibCheck;
- state.fileInfos.forEach(function (info, sourceFilePath) {
- var oldInfo;
- var newReferences;
- // if not using old state, every file is changed
- if (!useOldState ||
- // File wasnt present in old state
- !(oldInfo = oldState.fileInfos.get(sourceFilePath)) ||
- // versions dont match
- oldInfo.version !== info.version ||
- // Referenced files changed
- !hasSameKeys(newReferences = referencedMap && referencedMap.get(sourceFilePath), oldReferencedMap && oldReferencedMap.get(sourceFilePath)) ||
- // Referenced file was deleted in the new program
- newReferences && ts.forEachKey(newReferences, function (path) { return !state.fileInfos.has(path) && oldState.fileInfos.has(path); })) {
- // Register file as changed file and do not copy semantic diagnostics, since all changed files need to be re-evaluated
- state.changedFilesSet.set(sourceFilePath, true);
- }
- else if (canCopySemanticDiagnostics) {
- var sourceFile = newProgram.getSourceFileByPath(sourceFilePath);
- if (sourceFile.isDeclarationFile && !copyDeclarationFileDiagnostics) {
- return;
- }
- if (sourceFile.hasNoDefaultLib && !copyLibFileDiagnostics) {
- return;
- }
- // Unchanged file copy diagnostics
- var diagnostics = oldState.semanticDiagnosticsPerFile.get(sourceFilePath);
- if (diagnostics) {
- state.semanticDiagnosticsPerFile.set(sourceFilePath, oldState.hasReusableDiagnostic ? convertToDiagnostics(diagnostics, newProgram, getCanonicalFileName) : diagnostics);
- if (!state.semanticDiagnosticsFromOldState) {
- state.semanticDiagnosticsFromOldState = ts.createMap();
- }
- state.semanticDiagnosticsFromOldState.set(sourceFilePath, true);
- }
- }
- });
- // If the global file is removed, add all files as changed
- if (useOldState && ts.forEachEntry(oldState.fileInfos, function (info, sourceFilePath) { return info.affectsGlobalScope && !state.fileInfos.has(sourceFilePath); })) {
- ts.BuilderState.getAllFilesExcludingDefaultLibraryFile(state, newProgram, /*firstSourceFile*/ undefined)
- .forEach(function (file) { return state.changedFilesSet.set(file.resolvedPath, true); });
- }
- else if (oldCompilerOptions && ts.compilerOptionsAffectEmit(compilerOptions, oldCompilerOptions)) {
- // Add all files to affectedFilesPendingEmit since emit changed
- newProgram.getSourceFiles().forEach(function (f) { return addToAffectedFilesPendingEmit(state, f.resolvedPath, 1 /* Full */); });
- ts.Debug.assert(!state.seenAffectedFiles || !state.seenAffectedFiles.size);
- state.seenAffectedFiles = state.seenAffectedFiles || ts.createMap();
- }
- state.emittedBuildInfo = !state.changedFilesSet.size && !state.affectedFilesPendingEmit;
- return state;
- }
- function convertToDiagnostics(diagnostics, newProgram, getCanonicalFileName) {
- if (!diagnostics.length)
- return ts.emptyArray;
- var buildInfoDirectory = ts.getDirectoryPath(ts.getNormalizedAbsolutePath(ts.getTsBuildInfoEmitOutputFilePath(newProgram.getCompilerOptions()), newProgram.getCurrentDirectory()));
- return diagnostics.map(function (diagnostic) {
- var result = convertToDiagnosticRelatedInformation(diagnostic, newProgram, toPath);
- result.reportsUnnecessary = diagnostic.reportsUnnecessary;
- result.source = diagnostic.source;
- var relatedInformation = diagnostic.relatedInformation;
- result.relatedInformation = relatedInformation ?
- relatedInformation.length ?
- relatedInformation.map(function (r) { return convertToDiagnosticRelatedInformation(r, newProgram, toPath); }) :
- ts.emptyArray :
- undefined;
- return result;
- });
- function toPath(path) {
- return ts.toPath(path, buildInfoDirectory, getCanonicalFileName);
- }
- }
- function convertToDiagnosticRelatedInformation(diagnostic, newProgram, toPath) {
- var file = diagnostic.file;
- return __assign(__assign({}, diagnostic), { file: file ? newProgram.getSourceFileByPath(toPath(file)) : undefined });
- }
- /**
- * Releases program and other related not needed properties
- */
- function releaseCache(state) {
- ts.BuilderState.releaseCache(state);
- state.program = undefined;
- }
- /**
- * Creates a clone of the state
- */
- function cloneBuilderProgramState(state) {
- var newState = ts.BuilderState.clone(state);
- newState.semanticDiagnosticsPerFile = ts.cloneMapOrUndefined(state.semanticDiagnosticsPerFile);
- newState.changedFilesSet = ts.cloneMap(state.changedFilesSet);
- newState.affectedFiles = state.affectedFiles;
- newState.affectedFilesIndex = state.affectedFilesIndex;
- newState.currentChangedFilePath = state.currentChangedFilePath;
- newState.currentAffectedFilesSignatures = ts.cloneMapOrUndefined(state.currentAffectedFilesSignatures);
- newState.currentAffectedFilesExportedModulesMap = ts.cloneMapOrUndefined(state.currentAffectedFilesExportedModulesMap);
- newState.seenAffectedFiles = ts.cloneMapOrUndefined(state.seenAffectedFiles);
- newState.cleanedDiagnosticsOfLibFiles = state.cleanedDiagnosticsOfLibFiles;
- newState.semanticDiagnosticsFromOldState = ts.cloneMapOrUndefined(state.semanticDiagnosticsFromOldState);
- newState.program = state.program;
- newState.compilerOptions = state.compilerOptions;
- newState.affectedFilesPendingEmit = state.affectedFilesPendingEmit && state.affectedFilesPendingEmit.slice();
- newState.affectedFilesPendingEmitKind = ts.cloneMapOrUndefined(state.affectedFilesPendingEmitKind);
- newState.affectedFilesPendingEmitIndex = state.affectedFilesPendingEmitIndex;
- newState.seenEmittedFiles = ts.cloneMapOrUndefined(state.seenEmittedFiles);
- newState.programEmitComplete = state.programEmitComplete;
- return newState;
- }
- /**
- * Verifies that source file is ok to be used in calls that arent handled by next
- */
- function assertSourceFileOkWithoutNextAffectedCall(state, sourceFile) {
- ts.Debug.assert(!sourceFile || !state.affectedFiles || state.affectedFiles[state.affectedFilesIndex - 1] !== sourceFile || !state.semanticDiagnosticsPerFile.has(sourceFile.resolvedPath));
- }
- /**
- * This function returns the next affected file to be processed.
- * Note that until doneAffected is called it would keep reporting same result
- * This is to allow the callers to be able to actually remove affected file only when the operation is complete
- * eg. if during diagnostics check cancellation token ends up cancelling the request, the affected file should be retained
- */
- function getNextAffectedFile(state, cancellationToken, computeHash) {
- while (true) {
- var affectedFiles = state.affectedFiles;
- if (affectedFiles) {
- var seenAffectedFiles = state.seenAffectedFiles;
- var affectedFilesIndex = state.affectedFilesIndex; // TODO: GH#18217
- while (affectedFilesIndex < affectedFiles.length) {
- var affectedFile = affectedFiles[affectedFilesIndex];
- if (!seenAffectedFiles.has(affectedFile.resolvedPath)) {
- // Set the next affected file as seen and remove the cached semantic diagnostics
- state.affectedFilesIndex = affectedFilesIndex;
- handleDtsMayChangeOfAffectedFile(state, affectedFile, cancellationToken, computeHash);
- return affectedFile;
- }
- affectedFilesIndex++;
- }
- // Remove the changed file from the change set
- state.changedFilesSet.delete(state.currentChangedFilePath);
- state.currentChangedFilePath = undefined;
- // Commit the changes in file signature
- ts.BuilderState.updateSignaturesFromCache(state, state.currentAffectedFilesSignatures);
- state.currentAffectedFilesSignatures.clear();
- ts.BuilderState.updateExportedFilesMapFromCache(state, state.currentAffectedFilesExportedModulesMap);
- state.affectedFiles = undefined;
- }
- // Get next changed file
- var nextKey = state.changedFilesSet.keys().next();
- if (nextKey.done) {
- // Done
- return undefined;
- }
- // With --out or --outFile all outputs go into single file
- // so operations are performed directly on program, return program
- var program = ts.Debug.checkDefined(state.program);
- var compilerOptions = program.getCompilerOptions();
- if (compilerOptions.outFile || compilerOptions.out) {
- ts.Debug.assert(!state.semanticDiagnosticsPerFile);
- return program;
- }
- // Get next batch of affected files
- state.currentAffectedFilesSignatures = state.currentAffectedFilesSignatures || ts.createMap();
- if (state.exportedModulesMap) {
- state.currentAffectedFilesExportedModulesMap = state.currentAffectedFilesExportedModulesMap || ts.createMap();
- }
- state.affectedFiles = ts.BuilderState.getFilesAffectedBy(state, program, nextKey.value, cancellationToken, computeHash, state.currentAffectedFilesSignatures, state.currentAffectedFilesExportedModulesMap);
- state.currentChangedFilePath = nextKey.value;
- state.affectedFilesIndex = 0;
- state.seenAffectedFiles = state.seenAffectedFiles || ts.createMap();
- }
- }
- /**
- * Returns next file to be emitted from files that retrieved semantic diagnostics but did not emit yet
- */
- function getNextAffectedFilePendingEmit(state) {
- var affectedFilesPendingEmit = state.affectedFilesPendingEmit;
- if (affectedFilesPendingEmit) {
- var seenEmittedFiles = state.seenEmittedFiles || (state.seenEmittedFiles = ts.createMap());
- for (var i = state.affectedFilesPendingEmitIndex; i < affectedFilesPendingEmit.length; i++) {
- var affectedFile = ts.Debug.checkDefined(state.program).getSourceFileByPath(affectedFilesPendingEmit[i]);
- if (affectedFile) {
- var seenKind = seenEmittedFiles.get(affectedFile.resolvedPath);
- var emitKind = ts.Debug.checkDefined(ts.Debug.checkDefined(state.affectedFilesPendingEmitKind).get(affectedFile.resolvedPath));
- if (seenKind === undefined || seenKind < emitKind) {
- // emit this file
- state.affectedFilesPendingEmitIndex = i;
- return { affectedFile: affectedFile, emitKind: emitKind };
- }
- }
- }
- state.affectedFilesPendingEmit = undefined;
- state.affectedFilesPendingEmitKind = undefined;
- state.affectedFilesPendingEmitIndex = undefined;
- }
- return undefined;
- }
- /**
- * Handles semantic diagnostics and dts emit for affectedFile and files, that are referencing modules that export entities from affected file
- * This is because even though js emit doesnt change, dts emit / type used can change resulting in need for dts emit and js change
- */
- function handleDtsMayChangeOfAffectedFile(state, affectedFile, cancellationToken, computeHash) {
- removeSemanticDiagnosticsOf(state, affectedFile.resolvedPath);
- // If affected files is everything except default library, then nothing more to do
- if (state.allFilesExcludingDefaultLibraryFile === state.affectedFiles) {
- if (!state.cleanedDiagnosticsOfLibFiles) {
- state.cleanedDiagnosticsOfLibFiles = true;
- var program_1 = ts.Debug.checkDefined(state.program);
- var options_2 = program_1.getCompilerOptions();
- ts.forEach(program_1.getSourceFiles(), function (f) {
- return program_1.isSourceFileDefaultLibrary(f) &&
- !ts.skipTypeChecking(f, options_2, program_1) &&
- removeSemanticDiagnosticsOf(state, f.resolvedPath);
- });
- }
- return;
- }
- if (!state.compilerOptions.assumeChangesOnlyAffectDirectDependencies) {
- forEachReferencingModulesOfExportOfAffectedFile(state, affectedFile, function (state, path) { return handleDtsMayChangeOf(state, path, cancellationToken, computeHash); });
- }
- }
- /**
- * Handle the dts may change, so they need to be added to pending emit if dts emit is enabled,
- * Also we need to make sure signature is updated for these files
- */
- function handleDtsMayChangeOf(state, path, cancellationToken, computeHash) {
- removeSemanticDiagnosticsOf(state, path);
- if (!state.changedFilesSet.has(path)) {
- var program = ts.Debug.checkDefined(state.program);
- var sourceFile = program.getSourceFileByPath(path);
- if (sourceFile) {
- // Even though the js emit doesnt change and we are already handling dts emit and semantic diagnostics
- // we need to update the signature to reflect correctness of the signature(which is output d.ts emit) of this file
- // This ensures that we dont later during incremental builds considering wrong signature.
- // Eg where this also is needed to ensure that .tsbuildinfo generated by incremental build should be same as if it was first fresh build
- ts.BuilderState.updateShapeSignature(state, program, sourceFile, ts.Debug.checkDefined(state.currentAffectedFilesSignatures), cancellationToken, computeHash, state.currentAffectedFilesExportedModulesMap);
- // If not dts emit, nothing more to do
- if (ts.getEmitDeclarations(state.compilerOptions)) {
- addToAffectedFilesPendingEmit(state, path, 0 /* DtsOnly */);
- }
- }
- }
- return false;
- }
- /**
- * Removes semantic diagnostics for path and
- * returns true if there are no more semantic diagnostics from the old state
- */
- function removeSemanticDiagnosticsOf(state, path) {
- if (!state.semanticDiagnosticsFromOldState) {
- return true;
- }
- state.semanticDiagnosticsFromOldState.delete(path);
- state.semanticDiagnosticsPerFile.delete(path);
- return !state.semanticDiagnosticsFromOldState.size;
- }
- function isChangedSignagure(state, path) {
- var newSignature = ts.Debug.checkDefined(state.currentAffectedFilesSignatures).get(path);
- var oldSignagure = ts.Debug.checkDefined(state.fileInfos.get(path)).signature;
- return newSignature !== oldSignagure;
- }
- /**
- * Iterate on referencing modules that export entities from affected file
- */
- function forEachReferencingModulesOfExportOfAffectedFile(state, affectedFile, fn) {
- // If there was change in signature (dts output) for the changed file,
- // then only we need to handle pending file emit
- if (!state.exportedModulesMap || !state.changedFilesSet.has(affectedFile.resolvedPath)) {
- return;
- }
- if (!isChangedSignagure(state, affectedFile.resolvedPath))
- return;
- // Since isolated modules dont change js files, files affected by change in signature is itself
- // But we need to cleanup semantic diagnostics and queue dts emit for affected files
- if (state.compilerOptions.isolatedModules) {
- var seenFileNamesMap = ts.createMap();
- seenFileNamesMap.set(affectedFile.resolvedPath, true);
- var queue = ts.BuilderState.getReferencedByPaths(state, affectedFile.resolvedPath);
- while (queue.length > 0) {
- var currentPath = queue.pop();
- if (!seenFileNamesMap.has(currentPath)) {
- seenFileNamesMap.set(currentPath, true);
- var result = fn(state, currentPath);
- if (result && isChangedSignagure(state, currentPath)) {
- var currentSourceFile = ts.Debug.checkDefined(state.program).getSourceFileByPath(currentPath);
- queue.push.apply(queue, ts.BuilderState.getReferencedByPaths(state, currentSourceFile.resolvedPath));
- }
- }
- }
- }
- ts.Debug.assert(!!state.currentAffectedFilesExportedModulesMap);
- var seenFileAndExportsOfFile = ts.createMap();
- // Go through exported modules from cache first
- // If exported modules has path, all files referencing file exported from are affected
- if (ts.forEachEntry(state.currentAffectedFilesExportedModulesMap, function (exportedModules, exportedFromPath) {
- return exportedModules &&
- exportedModules.has(affectedFile.resolvedPath) &&
- forEachFilesReferencingPath(state, exportedFromPath, seenFileAndExportsOfFile, fn);
- })) {
- return;
- }
- // If exported from path is not from cache and exported modules has path, all files referencing file exported from are affected
- ts.forEachEntry(state.exportedModulesMap, function (exportedModules, exportedFromPath) {
- return !state.currentAffectedFilesExportedModulesMap.has(exportedFromPath) && // If we already iterated this through cache, ignore it
- exportedModules.has(affectedFile.resolvedPath) &&
- forEachFilesReferencingPath(state, exportedFromPath, seenFileAndExportsOfFile, fn);
- });
- }
- /**
- * Iterate on files referencing referencedPath
- */
- function forEachFilesReferencingPath(state, referencedPath, seenFileAndExportsOfFile, fn) {
- return ts.forEachEntry(state.referencedMap, function (referencesInFile, filePath) {
- return referencesInFile.has(referencedPath) && forEachFileAndExportsOfFile(state, filePath, seenFileAndExportsOfFile, fn);
- });
- }
- /**
- * fn on file and iterate on anything that exports this file
- */
- function forEachFileAndExportsOfFile(state, filePath, seenFileAndExportsOfFile, fn) {
- if (!ts.addToSeen(seenFileAndExportsOfFile, filePath)) {
- return false;
- }
- if (fn(state, filePath)) {
- // If there are no more diagnostics from old cache, done
- return true;
- }
- ts.Debug.assert(!!state.currentAffectedFilesExportedModulesMap);
- // Go through exported modules from cache first
- // If exported modules has path, all files referencing file exported from are affected
- if (ts.forEachEntry(state.currentAffectedFilesExportedModulesMap, function (exportedModules, exportedFromPath) {
- return exportedModules &&
- exportedModules.has(filePath) &&
- forEachFileAndExportsOfFile(state, exportedFromPath, seenFileAndExportsOfFile, fn);
- })) {
- return true;
- }
- // If exported from path is not from cache and exported modules has path, all files referencing file exported from are affected
- if (ts.forEachEntry(state.exportedModulesMap, function (exportedModules, exportedFromPath) {
- return !state.currentAffectedFilesExportedModulesMap.has(exportedFromPath) && // If we already iterated this through cache, ignore it
- exportedModules.has(filePath) &&
- forEachFileAndExportsOfFile(state, exportedFromPath, seenFileAndExportsOfFile, fn);
- })) {
- return true;
- }
- // Remove diagnostics of files that import this file (without going to exports of referencing files)
- return !!ts.forEachEntry(state.referencedMap, function (referencesInFile, referencingFilePath) {
- return referencesInFile.has(filePath) &&
- !seenFileAndExportsOfFile.has(referencingFilePath) && // Not already removed diagnostic file
- fn(state, referencingFilePath);
- } // Dont add to seen since this is not yet done with the export removal
- );
- }
- /**
- * This is called after completing operation on the next affected file.
- * The operations here are postponed to ensure that cancellation during the iteration is handled correctly
- */
- function doneWithAffectedFile(state, affected, emitKind, isPendingEmit, isBuildInfoEmit) {
- if (isBuildInfoEmit) {
- state.emittedBuildInfo = true;
- }
- else if (affected === state.program) {
- state.changedFilesSet.clear();
- state.programEmitComplete = true;
- }
- else {
- state.seenAffectedFiles.set(affected.resolvedPath, true);
- if (emitKind !== undefined) {
- (state.seenEmittedFiles || (state.seenEmittedFiles = ts.createMap())).set(affected.resolvedPath, emitKind);
- }
- if (isPendingEmit) {
- state.affectedFilesPendingEmitIndex++;
- }
- else {
- state.affectedFilesIndex++;
- }
- }
- }
- /**
- * Returns the result with affected file
- */
- function toAffectedFileResult(state, result, affected) {
- doneWithAffectedFile(state, affected);
- return { result: result, affected: affected };
- }
- /**
- * Returns the result with affected file
- */
- function toAffectedFileEmitResult(state, result, affected, emitKind, isPendingEmit, isBuildInfoEmit) {
- doneWithAffectedFile(state, affected, emitKind, isPendingEmit, isBuildInfoEmit);
- return { result: result, affected: affected };
- }
- /**
- * Gets semantic diagnostics for the file which are
- * bindAndCheckDiagnostics (from cache) and program diagnostics
- */
- function getSemanticDiagnosticsOfFile(state, sourceFile, cancellationToken) {
- return ts.concatenate(getBinderAndCheckerDiagnosticsOfFile(state, sourceFile, cancellationToken), ts.Debug.checkDefined(state.program).getProgramDiagnostics(sourceFile));
- }
- /**
- * Gets the binder and checker diagnostics either from cache if present, or otherwise from program and caches it
- * Note that it is assumed that when asked about binder and checker diagnostics, the file has been taken out of affected files/changed file set
- */
- function getBinderAndCheckerDiagnosticsOfFile(state, sourceFile, cancellationToken) {
- var path = sourceFile.resolvedPath;
- if (state.semanticDiagnosticsPerFile) {
- var cachedDiagnostics = state.semanticDiagnosticsPerFile.get(path);
- // Report the bind and check diagnostics from the cache if we already have those diagnostics present
- if (cachedDiagnostics) {
- return cachedDiagnostics;
- }
- }
- // Diagnostics werent cached, get them from program, and cache the result
- var diagnostics = ts.Debug.checkDefined(state.program).getBindAndCheckDiagnostics(sourceFile, cancellationToken);
- if (state.semanticDiagnosticsPerFile) {
- state.semanticDiagnosticsPerFile.set(path, diagnostics);
- }
- return diagnostics;
- }
- /**
- * Gets the program information to be emitted in buildInfo so that we can use it to create new program
- */
- function getProgramBuildInfo(state, getCanonicalFileName) {
- if (state.compilerOptions.outFile || state.compilerOptions.out)
- return undefined;
- var currentDirectory = ts.Debug.checkDefined(state.program).getCurrentDirectory();
- var buildInfoDirectory = ts.getDirectoryPath(ts.getNormalizedAbsolutePath(ts.getTsBuildInfoEmitOutputFilePath(state.compilerOptions), currentDirectory));
- var fileInfos = {};
- state.fileInfos.forEach(function (value, key) {
- var signature = state.currentAffectedFilesSignatures && state.currentAffectedFilesSignatures.get(key);
- fileInfos[relativeToBuildInfo(key)] = signature === undefined ? value : { version: value.version, signature: signature, affectsGlobalScope: value.affectsGlobalScope };
- });
- var result = {
- fileInfos: fileInfos,
- options: convertToReusableCompilerOptions(state.compilerOptions, relativeToBuildInfoEnsuringAbsolutePath)
- };
- if (state.referencedMap) {
- var referencedMap = {};
- for (var _i = 0, _a = ts.arrayFrom(state.referencedMap.keys()).sort(ts.compareStringsCaseSensitive); _i < _a.length; _i++) {
- var key = _a[_i];
- referencedMap[relativeToBuildInfo(key)] = ts.arrayFrom(state.referencedMap.get(key).keys(), relativeToBuildInfo).sort(ts.compareStringsCaseSensitive);
- }
- result.referencedMap = referencedMap;
- }
- if (state.exportedModulesMap) {
- var exportedModulesMap = {};
- for (var _b = 0, _c = ts.arrayFrom(state.exportedModulesMap.keys()).sort(ts.compareStringsCaseSensitive); _b < _c.length; _b++) {
- var key = _c[_b];
- var newValue = state.currentAffectedFilesExportedModulesMap && state.currentAffectedFilesExportedModulesMap.get(key);
- // Not in temporary cache, use existing value
- if (newValue === undefined)
- exportedModulesMap[relativeToBuildInfo(key)] = ts.arrayFrom(state.exportedModulesMap.get(key).keys(), relativeToBuildInfo).sort(ts.compareStringsCaseSensitive);
- // Value in cache and has updated value map, use that
- else if (newValue)
- exportedModulesMap[relativeToBuildInfo(key)] = ts.arrayFrom(newValue.keys(), relativeToBuildInfo).sort(ts.compareStringsCaseSensitive);
- }
- result.exportedModulesMap = exportedModulesMap;
- }
- if (state.semanticDiagnosticsPerFile) {
- var semanticDiagnosticsPerFile = [];
- for (var _d = 0, _e = ts.arrayFrom(state.semanticDiagnosticsPerFile.keys()).sort(ts.compareStringsCaseSensitive); _d < _e.length; _d++) {
- var key = _e[_d];
- var value = state.semanticDiagnosticsPerFile.get(key);
- semanticDiagnosticsPerFile.push(value.length ?
- [
- relativeToBuildInfo(key),
- state.hasReusableDiagnostic ?
- value :
- convertToReusableDiagnostics(value, relativeToBuildInfo)
- ] :
- relativeToBuildInfo(key));
- }
- result.semanticDiagnosticsPerFile = semanticDiagnosticsPerFile;
- }
- return result;
- function relativeToBuildInfoEnsuringAbsolutePath(path) {
- return relativeToBuildInfo(ts.getNormalizedAbsolutePath(path, currentDirectory));
- }
- function relativeToBuildInfo(path) {
- return ts.ensurePathIsNonModuleName(ts.getRelativePathFromDirectory(buildInfoDirectory, path, getCanonicalFileName));
- }
- }
- function convertToReusableCompilerOptions(options, relativeToBuildInfo) {
- var result = {};
- var optionsNameMap = ts.getOptionsNameMap().optionsNameMap;
- for (var name in options) {
- if (ts.hasProperty(options, name)) {
- result[name] = convertToReusableCompilerOptionValue(optionsNameMap.get(name.toLowerCase()), options[name], relativeToBuildInfo);
- }
- }
- if (result.configFilePath) {
- result.configFilePath = relativeToBuildInfo(result.configFilePath);
- }
- return result;
- }
- function convertToReusableCompilerOptionValue(option, value, relativeToBuildInfo) {
- if (option) {
- if (option.type === "list") {
- var values = value;
- if (option.element.isFilePath && values.length) {
- return values.map(relativeToBuildInfo);
- }
- }
- else if (option.isFilePath) {
- return relativeToBuildInfo(value);
- }
- }
- return value;
- }
- function convertToReusableDiagnostics(diagnostics, relativeToBuildInfo) {
- ts.Debug.assert(!!diagnostics.length);
- return diagnostics.map(function (diagnostic) {
- var result = convertToReusableDiagnosticRelatedInformation(diagnostic, relativeToBuildInfo);
- result.reportsUnnecessary = diagnostic.reportsUnnecessary;
- result.source = diagnostic.source;
- var relatedInformation = diagnostic.relatedInformation;
- result.relatedInformation = relatedInformation ?
- relatedInformation.length ?
- relatedInformation.map(function (r) { return convertToReusableDiagnosticRelatedInformation(r, relativeToBuildInfo); }) :
- ts.emptyArray :
- undefined;
- return result;
- });
- }
- function convertToReusableDiagnosticRelatedInformation(diagnostic, relativeToBuildInfo) {
- var file = diagnostic.file;
- return __assign(__assign({}, diagnostic), { file: file ? relativeToBuildInfo(file.resolvedPath) : undefined });
- }
- var BuilderProgramKind;
- (function (BuilderProgramKind) {
- BuilderProgramKind[BuilderProgramKind["SemanticDiagnosticsBuilderProgram"] = 0] = "SemanticDiagnosticsBuilderProgram";
- BuilderProgramKind[BuilderProgramKind["EmitAndSemanticDiagnosticsBuilderProgram"] = 1] = "EmitAndSemanticDiagnosticsBuilderProgram";
- })(BuilderProgramKind = ts.BuilderProgramKind || (ts.BuilderProgramKind = {}));
- function getBuilderCreationParameters(newProgramOrRootNames, hostOrOptions, oldProgramOrHost, configFileParsingDiagnosticsOrOldProgram, configFileParsingDiagnostics, projectReferences) {
- var host;
- var newProgram;
- var oldProgram;
- if (newProgramOrRootNames === undefined) {
- ts.Debug.assert(hostOrOptions === undefined);
- host = oldProgramOrHost;
- oldProgram = configFileParsingDiagnosticsOrOldProgram;
- ts.Debug.assert(!!oldProgram);
- newProgram = oldProgram.getProgram();
- }
- else if (ts.isArray(newProgramOrRootNames)) {
- oldProgram = configFileParsingDiagnosticsOrOldProgram;
- newProgram = ts.createProgram({
- rootNames: newProgramOrRootNames,
- options: hostOrOptions,
- host: oldProgramOrHost,
- oldProgram: oldProgram && oldProgram.getProgramOrUndefined(),
- configFileParsingDiagnostics: configFileParsingDiagnostics,
- projectReferences: projectReferences
- });
- host = oldProgramOrHost;
- }
- else {
- newProgram = newProgramOrRootNames;
- host = hostOrOptions;
- oldProgram = oldProgramOrHost;
- configFileParsingDiagnostics = configFileParsingDiagnosticsOrOldProgram;
- }
- return { host: host, newProgram: newProgram, oldProgram: oldProgram, configFileParsingDiagnostics: configFileParsingDiagnostics || ts.emptyArray };
- }
- ts.getBuilderCreationParameters = getBuilderCreationParameters;
- function createBuilderProgram(kind, _a) {
- var newProgram = _a.newProgram, host = _a.host, oldProgram = _a.oldProgram, configFileParsingDiagnostics = _a.configFileParsingDiagnostics;
- // Return same program if underlying program doesnt change
- var oldState = oldProgram && oldProgram.getState();
- if (oldState && newProgram === oldState.program && configFileParsingDiagnostics === newProgram.getConfigFileParsingDiagnostics()) {
- newProgram = undefined; // TODO: GH#18217
- oldState = undefined;
- return oldProgram;
- }
- /**
- * Create the canonical file name for identity
- */
- var getCanonicalFileName = ts.createGetCanonicalFileName(host.useCaseSensitiveFileNames());
- /**
- * Computing hash to for signature verification
- */
- var computeHash = host.createHash || ts.generateDjb2Hash;
- var state = createBuilderProgramState(newProgram, getCanonicalFileName, oldState);
- var backupState;
- newProgram.getProgramBuildInfo = function () { return getProgramBuildInfo(state, getCanonicalFileName); };
- // To ensure that we arent storing any references to old program or new program without state
- newProgram = undefined; // TODO: GH#18217
- oldProgram = undefined;
- oldState = undefined;
- var builderProgram = createRedirectedBuilderProgram(state, configFileParsingDiagnostics);
- builderProgram.getState = function () { return state; };
- builderProgram.backupState = function () {
- ts.Debug.assert(backupState === undefined);
- backupState = cloneBuilderProgramState(state);
- };
- builderProgram.restoreState = function () {
- state = ts.Debug.checkDefined(backupState);
- backupState = undefined;
- };
- builderProgram.getAllDependencies = function (sourceFile) { return ts.BuilderState.getAllDependencies(state, ts.Debug.checkDefined(state.program), sourceFile); };
- builderProgram.getSemanticDiagnostics = getSemanticDiagnostics;
- builderProgram.emit = emit;
- builderProgram.releaseProgram = function () {
- releaseCache(state);
- backupState = undefined;
- };
- if (kind === BuilderProgramKind.SemanticDiagnosticsBuilderProgram) {
- builderProgram.getSemanticDiagnosticsOfNextAffectedFile = getSemanticDiagnosticsOfNextAffectedFile;
- }
- else if (kind === BuilderProgramKind.EmitAndSemanticDiagnosticsBuilderProgram) {
- builderProgram.getSemanticDiagnosticsOfNextAffectedFile = getSemanticDiagnosticsOfNextAffectedFile;
- builderProgram.emitNextAffectedFile = emitNextAffectedFile;
- }
- else {
- ts.notImplemented();
- }
- return builderProgram;
- /**
- * Emits the next affected file's emit result (EmitResult and sourceFiles emitted) or returns undefined if iteration is complete
- * The first of writeFile if provided, writeFile of BuilderProgramHost if provided, writeFile of compiler host
- * in that order would be used to write the files
- */
- function emitNextAffectedFile(writeFile, cancellationToken, emitOnlyDtsFiles, customTransformers) {
- var affected = getNextAffectedFile(state, cancellationToken, computeHash);
- var emitKind = 1 /* Full */;
- var isPendingEmitFile = false;
- if (!affected) {
- if (!state.compilerOptions.out && !state.compilerOptions.outFile) {
- var pendingAffectedFile = getNextAffectedFilePendingEmit(state);
- if (!pendingAffectedFile) {
- if (state.emittedBuildInfo) {
- return undefined;
- }
- var affected_1 = ts.Debug.checkDefined(state.program);
- return toAffectedFileEmitResult(state,
- // When whole program is affected, do emit only once (eg when --out or --outFile is specified)
- // Otherwise just affected file
- affected_1.emitBuildInfo(writeFile || ts.maybeBind(host, host.writeFile), cancellationToken), affected_1, 1 /* Full */,
- /*isPendingEmitFile*/ false,
- /*isBuildInfoEmit*/ true);
- }
- (affected = pendingAffectedFile.affectedFile, emitKind = pendingAffectedFile.emitKind);
- isPendingEmitFile = true;
- }
- else {
- var program = ts.Debug.checkDefined(state.program);
- if (state.programEmitComplete)
- return undefined;
- affected = program;
- }
- }
- return toAffectedFileEmitResult(state,
- // When whole program is affected, do emit only once (eg when --out or --outFile is specified)
- // Otherwise just affected file
- ts.Debug.checkDefined(state.program).emit(affected === state.program ? undefined : affected, writeFile || ts.maybeBind(host, host.writeFile), cancellationToken, emitOnlyDtsFiles || emitKind === 0 /* DtsOnly */, customTransformers), affected, emitKind, isPendingEmitFile);
- }
- /**
- * Emits the JavaScript and declaration files.
- * When targetSource file is specified, emits the files corresponding to that source file,
- * otherwise for the whole program.
- * In case of EmitAndSemanticDiagnosticsBuilderProgram, when targetSourceFile is specified,
- * it is assumed that that file is handled from affected file list. If targetSourceFile is not specified,
- * it will only emit all the affected files instead of whole program
- *
- * The first of writeFile if provided, writeFile of BuilderProgramHost if provided, writeFile of compiler host
- * in that order would be used to write the files
- */
- function emit(targetSourceFile, writeFile, cancellationToken, emitOnlyDtsFiles, customTransformers) {
- if (kind === BuilderProgramKind.EmitAndSemanticDiagnosticsBuilderProgram) {
- assertSourceFileOkWithoutNextAffectedCall(state, targetSourceFile);
- var result = ts.handleNoEmitOptions(builderProgram, targetSourceFile, cancellationToken);
- if (result)
- return result;
- if (!targetSourceFile) {
- // Emit and report any errors we ran into.
- var sourceMaps = [];
- var emitSkipped = false;
- var diagnostics = void 0;
- var emittedFiles = [];
- var affectedEmitResult = void 0;
- while (affectedEmitResult = emitNextAffectedFile(writeFile, cancellationToken, emitOnlyDtsFiles, customTransformers)) {
- emitSkipped = emitSkipped || affectedEmitResult.result.emitSkipped;
- diagnostics = ts.addRange(diagnostics, affectedEmitResult.result.diagnostics);
- emittedFiles = ts.addRange(emittedFiles, affectedEmitResult.result.emittedFiles);
- sourceMaps = ts.addRange(sourceMaps, affectedEmitResult.result.sourceMaps);
- }
- return {
- emitSkipped: emitSkipped,
- diagnostics: diagnostics || ts.emptyArray,
- emittedFiles: emittedFiles,
- sourceMaps: sourceMaps
- };
- }
- }
- return ts.Debug.checkDefined(state.program).emit(targetSourceFile, writeFile || ts.maybeBind(host, host.writeFile), cancellationToken, emitOnlyDtsFiles, customTransformers);
- }
- /**
- * Return the semantic diagnostics for the next affected file or undefined if iteration is complete
- * If provided ignoreSourceFile would be called before getting the diagnostics and would ignore the sourceFile if the returned value was true
- */
- function getSemanticDiagnosticsOfNextAffectedFile(cancellationToken, ignoreSourceFile) {
- while (true) {
- var affected = getNextAffectedFile(state, cancellationToken, computeHash);
- if (!affected) {
- // Done
- return undefined;
- }
- else if (affected === state.program) {
- // When whole program is affected, get all semantic diagnostics (eg when --out or --outFile is specified)
- return toAffectedFileResult(state, state.program.getSemanticDiagnostics(/*targetSourceFile*/ undefined, cancellationToken), affected);
- }
- // Add file to affected file pending emit to handle for later emit time
- if (kind === BuilderProgramKind.EmitAndSemanticDiagnosticsBuilderProgram) {
- addToAffectedFilesPendingEmit(state, affected.resolvedPath, 1 /* Full */);
- }
- // Get diagnostics for the affected file if its not ignored
- if (ignoreSourceFile && ignoreSourceFile(affected)) {
- // Get next affected file
- doneWithAffectedFile(state, affected);
- continue;
- }
- return toAffectedFileResult(state, getSemanticDiagnosticsOfFile(state, affected, cancellationToken), affected);
- }
- }
- /**
- * Gets the semantic diagnostics from the program corresponding to this state of file (if provided) or whole program
- * The semantic diagnostics are cached and managed here
- * Note that it is assumed that when asked about semantic diagnostics through this API,
- * the file has been taken out of affected files so it is safe to use cache or get from program and cache the diagnostics
- * In case of SemanticDiagnosticsBuilderProgram if the source file is not provided,
- * it will iterate through all the affected files, to ensure that cache stays valid and yet provide a way to get all semantic diagnostics
- */
- function getSemanticDiagnostics(sourceFile, cancellationToken) {
- assertSourceFileOkWithoutNextAffectedCall(state, sourceFile);
- var compilerOptions = ts.Debug.checkDefined(state.program).getCompilerOptions();
- if (compilerOptions.outFile || compilerOptions.out) {
- ts.Debug.assert(!state.semanticDiagnosticsPerFile);
- // We dont need to cache the diagnostics just return them from program
- return ts.Debug.checkDefined(state.program).getSemanticDiagnostics(sourceFile, cancellationToken);
- }
- if (sourceFile) {
- return getSemanticDiagnosticsOfFile(state, sourceFile, cancellationToken);
- }
- // When semantic builder asks for diagnostics of the whole program,
- // ensure that all the affected files are handled
- // eslint-disable-next-line no-empty
- while (getSemanticDiagnosticsOfNextAffectedFile(cancellationToken)) {
- }
- var diagnostics;
- for (var _i = 0, _a = ts.Debug.checkDefined(state.program).getSourceFiles(); _i < _a.length; _i++) {
- var sourceFile_1 = _a[_i];
- diagnostics = ts.addRange(diagnostics, getSemanticDiagnosticsOfFile(state, sourceFile_1, cancellationToken));
- }
- return diagnostics || ts.emptyArray;
- }
- }
- ts.createBuilderProgram = createBuilderProgram;
- function addToAffectedFilesPendingEmit(state, affectedFilePendingEmit, kind) {
- if (!state.affectedFilesPendingEmit)
- state.affectedFilesPendingEmit = [];
- if (!state.affectedFilesPendingEmitKind)
- state.affectedFilesPendingEmitKind = ts.createMap();
- var existingKind = state.affectedFilesPendingEmitKind.get(affectedFilePendingEmit);
- state.affectedFilesPendingEmit.push(affectedFilePendingEmit);
- state.affectedFilesPendingEmitKind.set(affectedFilePendingEmit, existingKind || kind);
- // affectedFilesPendingEmitIndex === undefined
- // - means the emit state.affectedFilesPendingEmit was undefined before adding current affected files
- // so start from 0 as array would be affectedFilesPendingEmit
- // else, continue to iterate from existing index, the current set is appended to existing files
- if (state.affectedFilesPendingEmitIndex === undefined) {
- state.affectedFilesPendingEmitIndex = 0;
- }
- }
- function getMapOfReferencedSet(mapLike, toPath) {
- if (!mapLike)
- return undefined;
- var map = ts.createMap();
- // Copies keys/values from template. Note that for..in will not throw if
- // template is undefined, and instead will just exit the loop.
- for (var key in mapLike) {
- if (ts.hasProperty(mapLike, key)) {
- map.set(toPath(key), ts.arrayToSet(mapLike[key], toPath));
- }
- }
- return map;
- }
- function createBuildProgramUsingProgramBuildInfo(program, buildInfoPath, host) {
- var buildInfoDirectory = ts.getDirectoryPath(ts.getNormalizedAbsolutePath(buildInfoPath, host.getCurrentDirectory()));
- var getCanonicalFileName = ts.createGetCanonicalFileName(host.useCaseSensitiveFileNames());
- var fileInfos = ts.createMap();
- for (var key in program.fileInfos) {
- if (ts.hasProperty(program.fileInfos, key)) {
- fileInfos.set(toPath(key), program.fileInfos[key]);
- }
- }
- var state = {
- fileInfos: fileInfos,
- compilerOptions: ts.convertToOptionsWithAbsolutePaths(program.options, toAbsolutePath),
- referencedMap: getMapOfReferencedSet(program.referencedMap, toPath),
- exportedModulesMap: getMapOfReferencedSet(program.exportedModulesMap, toPath),
- semanticDiagnosticsPerFile: program.semanticDiagnosticsPerFile && ts.arrayToMap(program.semanticDiagnosticsPerFile, function (value) { return toPath(ts.isString(value) ? value : value[0]); }, function (value) { return ts.isString(value) ? ts.emptyArray : value[1]; }),
- hasReusableDiagnostic: true
- };
- return {
- getState: function () { return state; },
- backupState: ts.noop,
- restoreState: ts.noop,
- getProgram: ts.notImplemented,
- getProgramOrUndefined: ts.returnUndefined,
- releaseProgram: ts.noop,
- getCompilerOptions: function () { return state.compilerOptions; },
- getSourceFile: ts.notImplemented,
- getSourceFiles: ts.notImplemented,
- getOptionsDiagnostics: ts.notImplemented,
- getGlobalDiagnostics: ts.notImplemented,
- getConfigFileParsingDiagnostics: ts.notImplemented,
- getSyntacticDiagnostics: ts.notImplemented,
- getDeclarationDiagnostics: ts.notImplemented,
- getSemanticDiagnostics: ts.notImplemented,
- emit: ts.notImplemented,
- getAllDependencies: ts.notImplemented,
- getCurrentDirectory: ts.notImplemented,
- emitNextAffectedFile: ts.notImplemented,
- getSemanticDiagnosticsOfNextAffectedFile: ts.notImplemented,
- close: ts.noop,
- };
- function toPath(path) {
- return ts.toPath(path, buildInfoDirectory, getCanonicalFileName);
- }
- function toAbsolutePath(path) {
- return ts.getNormalizedAbsolutePath(path, buildInfoDirectory);
- }
- }
- ts.createBuildProgramUsingProgramBuildInfo = createBuildProgramUsingProgramBuildInfo;
- function createRedirectedBuilderProgram(state, configFileParsingDiagnostics) {
- return {
- getState: ts.notImplemented,
- backupState: ts.noop,
- restoreState: ts.noop,
- getProgram: getProgram,
- getProgramOrUndefined: function () { return state.program; },
- releaseProgram: function () { return state.program = undefined; },
- getCompilerOptions: function () { return state.compilerOptions; },
- getSourceFile: function (fileName) { return getProgram().getSourceFile(fileName); },
- getSourceFiles: function () { return getProgram().getSourceFiles(); },
- getOptionsDiagnostics: function (cancellationToken) { return getProgram().getOptionsDiagnostics(cancellationToken); },
- getGlobalDiagnostics: function (cancellationToken) { return getProgram().getGlobalDiagnostics(cancellationToken); },
- getConfigFileParsingDiagnostics: function () { return configFileParsingDiagnostics; },
- getSyntacticDiagnostics: function (sourceFile, cancellationToken) { return getProgram().getSyntacticDiagnostics(sourceFile, cancellationToken); },
- getDeclarationDiagnostics: function (sourceFile, cancellationToken) { return getProgram().getDeclarationDiagnostics(sourceFile, cancellationToken); },
- getSemanticDiagnostics: function (sourceFile, cancellationToken) { return getProgram().getSemanticDiagnostics(sourceFile, cancellationToken); },
- emit: function (sourceFile, writeFile, cancellationToken, emitOnlyDts, customTransformers) { return getProgram().emit(sourceFile, writeFile, cancellationToken, emitOnlyDts, customTransformers); },
- getAllDependencies: ts.notImplemented,
- getCurrentDirectory: function () { return getProgram().getCurrentDirectory(); },
- close: ts.noop,
- };
- function getProgram() {
- return ts.Debug.checkDefined(state.program);
- }
- }
- ts.createRedirectedBuilderProgram = createRedirectedBuilderProgram;
-})(ts || (ts = {}));
-var ts;
-(function (ts) {
- function createSemanticDiagnosticsBuilderProgram(newProgramOrRootNames, hostOrOptions, oldProgramOrHost, configFileParsingDiagnosticsOrOldProgram, configFileParsingDiagnostics, projectReferences) {
- return ts.createBuilderProgram(ts.BuilderProgramKind.SemanticDiagnosticsBuilderProgram, ts.getBuilderCreationParameters(newProgramOrRootNames, hostOrOptions, oldProgramOrHost, configFileParsingDiagnosticsOrOldProgram, configFileParsingDiagnostics, projectReferences));
- }
- ts.createSemanticDiagnosticsBuilderProgram = createSemanticDiagnosticsBuilderProgram;
- function createEmitAndSemanticDiagnosticsBuilderProgram(newProgramOrRootNames, hostOrOptions, oldProgramOrHost, configFileParsingDiagnosticsOrOldProgram, configFileParsingDiagnostics, projectReferences) {
- return ts.createBuilderProgram(ts.BuilderProgramKind.EmitAndSemanticDiagnosticsBuilderProgram, ts.getBuilderCreationParameters(newProgramOrRootNames, hostOrOptions, oldProgramOrHost, configFileParsingDiagnosticsOrOldProgram, configFileParsingDiagnostics, projectReferences));
- }
- ts.createEmitAndSemanticDiagnosticsBuilderProgram = createEmitAndSemanticDiagnosticsBuilderProgram;
- function createAbstractBuilder(newProgramOrRootNames, hostOrOptions, oldProgramOrHost, configFileParsingDiagnosticsOrOldProgram, configFileParsingDiagnostics, projectReferences) {
- var _a = ts.getBuilderCreationParameters(newProgramOrRootNames, hostOrOptions, oldProgramOrHost, configFileParsingDiagnosticsOrOldProgram, configFileParsingDiagnostics, projectReferences), newProgram = _a.newProgram, newConfigFileParsingDiagnostics = _a.configFileParsingDiagnostics;
- return ts.createRedirectedBuilderProgram({ program: newProgram, compilerOptions: newProgram.getCompilerOptions() }, newConfigFileParsingDiagnostics);
- }
- ts.createAbstractBuilder = createAbstractBuilder;
-})(ts || (ts = {}));
-/*@internal*/
-var ts;
-(function (ts) {
- function removeIgnoredPath(path) {
- // Consider whole staging folder as if node_modules changed.
- if (ts.endsWith(path, "/node_modules/.staging")) {
- return ts.removeSuffix(path, "/.staging");
- }
- return ts.some(ts.ignoredPaths, function (searchPath) { return ts.stringContains(path, searchPath); }) ?
- undefined :
- path;
- }
- ts.removeIgnoredPath = removeIgnoredPath;
- /**
- * Filter out paths like
- * "/", "/user", "/user/username", "/user/username/folderAtRoot",
- * "c:/", "c:/users", "c:/users/username", "c:/users/username/folderAtRoot", "c:/folderAtRoot"
- * @param dirPath
- */
- function canWatchDirectory(dirPath) {
- var rootLength = ts.getRootLength(dirPath);
- if (dirPath.length === rootLength) {
- // Ignore "/", "c:/"
- return false;
- }
- var nextDirectorySeparator = dirPath.indexOf(ts.directorySeparator, rootLength);
- if (nextDirectorySeparator === -1) {
- // ignore "/user", "c:/users" or "c:/folderAtRoot"
- return false;
- }
- var pathPartForUserCheck = dirPath.substring(rootLength, nextDirectorySeparator + 1);
- var isNonDirectorySeparatorRoot = rootLength > 1 || dirPath.charCodeAt(0) !== 47 /* slash */;
- if (isNonDirectorySeparatorRoot &&
- dirPath.search(/[a-zA-Z]:/) !== 0 && // Non dos style paths
- pathPartForUserCheck.search(/[a-zA-z]\$\//) === 0) { // Dos style nextPart
- nextDirectorySeparator = dirPath.indexOf(ts.directorySeparator, nextDirectorySeparator + 1);
- if (nextDirectorySeparator === -1) {
- // ignore "//vda1cs4850/c$/folderAtRoot"
- return false;
- }
- pathPartForUserCheck = dirPath.substring(rootLength + pathPartForUserCheck.length, nextDirectorySeparator + 1);
- }
- if (isNonDirectorySeparatorRoot &&
- pathPartForUserCheck.search(/users\//i) !== 0) {
- // Paths like c:/folderAtRoot/subFolder are allowed
- return true;
- }
- for (var searchIndex = nextDirectorySeparator + 1, searchLevels = 2; searchLevels > 0; searchLevels--) {
- searchIndex = dirPath.indexOf(ts.directorySeparator, searchIndex) + 1;
- if (searchIndex === 0) {
- // Folder isnt at expected minimum levels
- return false;
- }
- }
- return true;
- }
- ts.canWatchDirectory = canWatchDirectory;
- function createResolutionCache(resolutionHost, rootDirForResolution, logChangesWhenResolvingModule) {
- var filesWithChangedSetOfUnresolvedImports;
- var filesWithInvalidatedResolutions;
- var filesWithInvalidatedNonRelativeUnresolvedImports;
- var nonRelativeExternalModuleResolutions = ts.createMultiMap();
- var resolutionsWithFailedLookups = [];
- var resolvedFileToResolution = ts.createMultiMap();
- var getCurrentDirectory = ts.memoize(function () { return resolutionHost.getCurrentDirectory(); }); // TODO: GH#18217
- var cachedDirectoryStructureHost = resolutionHost.getCachedDirectoryStructureHost();
- // The resolvedModuleNames and resolvedTypeReferenceDirectives are the cache of resolutions per file.
- // The key in the map is source file's path.
- // The values are Map of resolutions with key being name lookedup.
- var resolvedModuleNames = ts.createMap();
- var perDirectoryResolvedModuleNames = ts.createCacheWithRedirects();
- var nonRelativeModuleNameCache = ts.createCacheWithRedirects();
- var moduleResolutionCache = ts.createModuleResolutionCacheWithMaps(perDirectoryResolvedModuleNames, nonRelativeModuleNameCache, getCurrentDirectory(), resolutionHost.getCanonicalFileName);
- var resolvedTypeReferenceDirectives = ts.createMap();
- var perDirectoryResolvedTypeReferenceDirectives = ts.createCacheWithRedirects();
- /**
- * These are the extensions that failed lookup files will have by default,
- * any other extension of failed lookup will be store that path in custom failed lookup path
- * This helps in not having to comb through all resolutions when files are added/removed
- * Note that .d.ts file also has .d.ts extension hence will be part of default extensions
- */
- var failedLookupDefaultExtensions = [".ts" /* Ts */, ".tsx" /* Tsx */, ".js" /* Js */, ".jsx" /* Jsx */, ".json" /* Json */];
- var customFailedLookupPaths = ts.createMap();
- var directoryWatchesOfFailedLookups = ts.createMap();
- var rootDir = rootDirForResolution && ts.removeTrailingDirectorySeparator(ts.getNormalizedAbsolutePath(rootDirForResolution, getCurrentDirectory()));
- var rootPath = (rootDir && resolutionHost.toPath(rootDir)); // TODO: GH#18217
- var rootSplitLength = rootPath !== undefined ? rootPath.split(ts.directorySeparator).length : 0;
- // TypeRoot watches for the types that get added as part of getAutomaticTypeDirectiveNames
- var typeRootsWatches = ts.createMap();
- return {
- startRecordingFilesWithChangedResolutions: startRecordingFilesWithChangedResolutions,
- finishRecordingFilesWithChangedResolutions: finishRecordingFilesWithChangedResolutions,
- // perDirectoryResolvedModuleNames and perDirectoryResolvedTypeReferenceDirectives could be non empty if there was exception during program update
- // (between startCachingPerDirectoryResolution and finishCachingPerDirectoryResolution)
- startCachingPerDirectoryResolution: clearPerDirectoryResolutions,
- finishCachingPerDirectoryResolution: finishCachingPerDirectoryResolution,
- resolveModuleNames: resolveModuleNames,
- getResolvedModuleWithFailedLookupLocationsFromCache: getResolvedModuleWithFailedLookupLocationsFromCache,
- resolveTypeReferenceDirectives: resolveTypeReferenceDirectives,
- removeResolutionsFromProjectReferenceRedirects: removeResolutionsFromProjectReferenceRedirects,
- removeResolutionsOfFile: removeResolutionsOfFile,
- invalidateResolutionOfFile: invalidateResolutionOfFile,
- setFilesWithInvalidatedNonRelativeUnresolvedImports: setFilesWithInvalidatedNonRelativeUnresolvedImports,
- createHasInvalidatedResolution: createHasInvalidatedResolution,
- updateTypeRootsWatch: updateTypeRootsWatch,
- closeTypeRootsWatch: closeTypeRootsWatch,
- clear: clear
- };
- function getResolvedModule(resolution) {
- return resolution.resolvedModule;
- }
- function getResolvedTypeReferenceDirective(resolution) {
- return resolution.resolvedTypeReferenceDirective;
- }
- function isInDirectoryPath(dir, file) {
- if (dir === undefined || file.length <= dir.length) {
- return false;
- }
- return ts.startsWith(file, dir) && file[dir.length] === ts.directorySeparator;
- }
- function clear() {
- ts.clearMap(directoryWatchesOfFailedLookups, ts.closeFileWatcherOf);
- customFailedLookupPaths.clear();
- nonRelativeExternalModuleResolutions.clear();
- closeTypeRootsWatch();
- resolvedModuleNames.clear();
- resolvedTypeReferenceDirectives.clear();
- resolvedFileToResolution.clear();
- resolutionsWithFailedLookups.length = 0;
- // perDirectoryResolvedModuleNames and perDirectoryResolvedTypeReferenceDirectives could be non empty if there was exception during program update
- // (between startCachingPerDirectoryResolution and finishCachingPerDirectoryResolution)
- clearPerDirectoryResolutions();
- }
- function startRecordingFilesWithChangedResolutions() {
- filesWithChangedSetOfUnresolvedImports = [];
- }
- function finishRecordingFilesWithChangedResolutions() {
- var collected = filesWithChangedSetOfUnresolvedImports;
- filesWithChangedSetOfUnresolvedImports = undefined;
- return collected;
- }
- function isFileWithInvalidatedNonRelativeUnresolvedImports(path) {
- if (!filesWithInvalidatedNonRelativeUnresolvedImports) {
- return false;
- }
- // Invalidated if file has unresolved imports
- var value = filesWithInvalidatedNonRelativeUnresolvedImports.get(path);
- return !!value && !!value.length;
- }
- function createHasInvalidatedResolution(forceAllFilesAsInvalidated) {
- if (forceAllFilesAsInvalidated) {
- // Any file asked would have invalidated resolution
- filesWithInvalidatedResolutions = undefined;
- return ts.returnTrue;
- }
- var collected = filesWithInvalidatedResolutions;
- filesWithInvalidatedResolutions = undefined;
- return function (path) { return (!!collected && collected.has(path)) ||
- isFileWithInvalidatedNonRelativeUnresolvedImports(path); };
- }
- function clearPerDirectoryResolutions() {
- perDirectoryResolvedModuleNames.clear();
- nonRelativeModuleNameCache.clear();
- perDirectoryResolvedTypeReferenceDirectives.clear();
- nonRelativeExternalModuleResolutions.forEach(watchFailedLookupLocationOfNonRelativeModuleResolutions);
- nonRelativeExternalModuleResolutions.clear();
- }
- function finishCachingPerDirectoryResolution() {
- filesWithInvalidatedNonRelativeUnresolvedImports = undefined;
- clearPerDirectoryResolutions();
- directoryWatchesOfFailedLookups.forEach(function (watcher, path) {
- if (watcher.refCount === 0) {
- directoryWatchesOfFailedLookups.delete(path);
- watcher.watcher.close();
- }
- });
- }
- function resolveModuleName(moduleName, containingFile, compilerOptions, host, redirectedReference) {
- var _a;
- var primaryResult = ts.resolveModuleName(moduleName, containingFile, compilerOptions, host, moduleResolutionCache, redirectedReference);
- // return result immediately only if global cache support is not enabled or if it is .ts, .tsx or .d.ts
- if (!resolutionHost.getGlobalCache) {
- return primaryResult;
- }
- // otherwise try to load typings from @types
- var globalCache = resolutionHost.getGlobalCache();
- if (globalCache !== undefined && !ts.isExternalModuleNameRelative(moduleName) && !(primaryResult.resolvedModule && ts.extensionIsTS(primaryResult.resolvedModule.extension))) {
- // create different collection of failed lookup locations for second pass
- // if it will fail and we've already found something during the first pass - we don't want to pollute its results
- var _b = ts.loadModuleFromGlobalCache(ts.Debug.checkDefined(resolutionHost.globalCacheResolutionModuleName)(moduleName), resolutionHost.projectName, compilerOptions, host, globalCache), resolvedModule = _b.resolvedModule, failedLookupLocations = _b.failedLookupLocations;
- if (resolvedModule) {
- // Modify existing resolution so its saved in the directory cache as well
- primaryResult.resolvedModule = resolvedModule;
- (_a = primaryResult.failedLookupLocations).push.apply(_a, failedLookupLocations);
- return primaryResult;
- }
- }
- // Default return the result from the first pass
- return primaryResult;
- }
- function resolveNamesWithLocalCache(_a) {
- var _b;
- var names = _a.names, containingFile = _a.containingFile, redirectedReference = _a.redirectedReference, cache = _a.cache, perDirectoryCacheWithRedirects = _a.perDirectoryCacheWithRedirects, loader = _a.loader, getResolutionWithResolvedFileName = _a.getResolutionWithResolvedFileName, shouldRetryResolution = _a.shouldRetryResolution, reusedNames = _a.reusedNames, logChanges = _a.logChanges;
- var path = resolutionHost.toPath(containingFile);
- var resolutionsInFile = cache.get(path) || cache.set(path, ts.createMap()).get(path);
- var dirPath = ts.getDirectoryPath(path);
- var perDirectoryCache = perDirectoryCacheWithRedirects.getOrCreateMapOfCacheRedirects(redirectedReference);
- var perDirectoryResolution = perDirectoryCache.get(dirPath);
- if (!perDirectoryResolution) {
- perDirectoryResolution = ts.createMap();
- perDirectoryCache.set(dirPath, perDirectoryResolution);
- }
- var resolvedModules = [];
- var compilerOptions = resolutionHost.getCompilationSettings();
- var hasInvalidatedNonRelativeUnresolvedImport = logChanges && isFileWithInvalidatedNonRelativeUnresolvedImports(path);
- // All the resolutions in this file are invalidated if this file wasnt resolved using same redirect
- var program = resolutionHost.getCurrentProgram();
- var oldRedirect = program && program.getResolvedProjectReferenceToRedirect(containingFile);
- var unmatchedRedirects = oldRedirect ?
- !redirectedReference || redirectedReference.sourceFile.path !== oldRedirect.sourceFile.path :
- !!redirectedReference;
- var seenNamesInFile = ts.createMap();
- for (var _i = 0, names_3 = names; _i < names_3.length; _i++) {
- var name = names_3[_i];
- var resolution = resolutionsInFile.get(name);
- // Resolution is valid if it is present and not invalidated
- if (!seenNamesInFile.has(name) &&
- unmatchedRedirects || !resolution || resolution.isInvalidated ||
- // If the name is unresolved import that was invalidated, recalculate
- (hasInvalidatedNonRelativeUnresolvedImport && !ts.isExternalModuleNameRelative(name) && shouldRetryResolution(resolution))) {
- var existingResolution = resolution;
- var resolutionInDirectory = perDirectoryResolution.get(name);
- if (resolutionInDirectory) {
- resolution = resolutionInDirectory;
- }
- else {
- resolution = loader(name, containingFile, compilerOptions, ((_b = resolutionHost.getCompilerHost) === null || _b === void 0 ? void 0 : _b.call(resolutionHost)) || resolutionHost, redirectedReference);
- perDirectoryResolution.set(name, resolution);
- }
- resolutionsInFile.set(name, resolution);
- watchFailedLookupLocationsOfExternalModuleResolutions(name, resolution, path, getResolutionWithResolvedFileName);
- if (existingResolution) {
- stopWatchFailedLookupLocationOfResolution(existingResolution, path, getResolutionWithResolvedFileName);
- }
- if (logChanges && filesWithChangedSetOfUnresolvedImports && !resolutionIsEqualTo(existingResolution, resolution)) {
- filesWithChangedSetOfUnresolvedImports.push(path);
- // reset log changes to avoid recording the same file multiple times
- logChanges = false;
- }
- }
- ts.Debug.assert(resolution !== undefined && !resolution.isInvalidated);
- seenNamesInFile.set(name, true);
- resolvedModules.push(getResolutionWithResolvedFileName(resolution));
- }
- // Stop watching and remove the unused name
- resolutionsInFile.forEach(function (resolution, name) {
- if (!seenNamesInFile.has(name) && !ts.contains(reusedNames, name)) {
- stopWatchFailedLookupLocationOfResolution(resolution, path, getResolutionWithResolvedFileName);
- resolutionsInFile.delete(name);
- }
- });
- return resolvedModules;
- function resolutionIsEqualTo(oldResolution, newResolution) {
- if (oldResolution === newResolution) {
- return true;
- }
- if (!oldResolution || !newResolution) {
- return false;
- }
- var oldResult = getResolutionWithResolvedFileName(oldResolution);
- var newResult = getResolutionWithResolvedFileName(newResolution);
- if (oldResult === newResult) {
- return true;
- }
- if (!oldResult || !newResult) {
- return false;
- }
- return oldResult.resolvedFileName === newResult.resolvedFileName;
- }
- }
- function resolveTypeReferenceDirectives(typeDirectiveNames, containingFile, redirectedReference) {
- return resolveNamesWithLocalCache({
- names: typeDirectiveNames,
- containingFile: containingFile,
- redirectedReference: redirectedReference,
- cache: resolvedTypeReferenceDirectives,
- perDirectoryCacheWithRedirects: perDirectoryResolvedTypeReferenceDirectives,
- loader: ts.resolveTypeReferenceDirective,
- getResolutionWithResolvedFileName: getResolvedTypeReferenceDirective,
- shouldRetryResolution: function (resolution) { return resolution.resolvedTypeReferenceDirective === undefined; },
- });
- }
- function resolveModuleNames(moduleNames, containingFile, reusedNames, redirectedReference) {
- return resolveNamesWithLocalCache({
- names: moduleNames,
- containingFile: containingFile,
- redirectedReference: redirectedReference,
- cache: resolvedModuleNames,
- perDirectoryCacheWithRedirects: perDirectoryResolvedModuleNames,
- loader: resolveModuleName,
- getResolutionWithResolvedFileName: getResolvedModule,
- shouldRetryResolution: function (resolution) { return !resolution.resolvedModule || !ts.resolutionExtensionIsTSOrJson(resolution.resolvedModule.extension); },
- reusedNames: reusedNames,
- logChanges: logChangesWhenResolvingModule
- });
- }
- function getResolvedModuleWithFailedLookupLocationsFromCache(moduleName, containingFile) {
- var cache = resolvedModuleNames.get(resolutionHost.toPath(containingFile));
- return cache && cache.get(moduleName);
- }
- function isNodeModulesAtTypesDirectory(dirPath) {
- return ts.endsWith(dirPath, "/node_modules/@types");
- }
- function getDirectoryToWatchFailedLookupLocation(failedLookupLocation, failedLookupLocationPath) {
- if (isInDirectoryPath(rootPath, failedLookupLocationPath)) {
- // Ensure failed look up is normalized path
- failedLookupLocation = ts.isRootedDiskPath(failedLookupLocation) ? ts.normalizePath(failedLookupLocation) : ts.getNormalizedAbsolutePath(failedLookupLocation, getCurrentDirectory());
- var failedLookupPathSplit = failedLookupLocationPath.split(ts.directorySeparator);
- var failedLookupSplit = failedLookupLocation.split(ts.directorySeparator);
- ts.Debug.assert(failedLookupSplit.length === failedLookupPathSplit.length, "FailedLookup: " + failedLookupLocation + " failedLookupLocationPath: " + failedLookupLocationPath);
- if (failedLookupPathSplit.length > rootSplitLength + 1) {
- // Instead of watching root, watch directory in root to avoid watching excluded directories not needed for module resolution
- return {
- dir: failedLookupSplit.slice(0, rootSplitLength + 1).join(ts.directorySeparator),
- dirPath: failedLookupPathSplit.slice(0, rootSplitLength + 1).join(ts.directorySeparator)
- };
- }
- else {
- // Always watch root directory non recursively
- return {
- dir: rootDir,
- dirPath: rootPath,
- nonRecursive: false
- };
- }
- }
- return getDirectoryToWatchFromFailedLookupLocationDirectory(ts.getDirectoryPath(ts.getNormalizedAbsolutePath(failedLookupLocation, getCurrentDirectory())), ts.getDirectoryPath(failedLookupLocationPath));
- }
- function getDirectoryToWatchFromFailedLookupLocationDirectory(dir, dirPath) {
- // If directory path contains node module, get the most parent node_modules directory for watching
- while (ts.pathContainsNodeModules(dirPath)) {
- dir = ts.getDirectoryPath(dir);
- dirPath = ts.getDirectoryPath(dirPath);
- }
- // If the directory is node_modules use it to watch, always watch it recursively
- if (ts.isNodeModulesDirectory(dirPath)) {
- return canWatchDirectory(ts.getDirectoryPath(dirPath)) ? { dir: dir, dirPath: dirPath } : undefined;
- }
- var nonRecursive = true;
- // Use some ancestor of the root directory
- var subDirectoryPath, subDirectory;
- if (rootPath !== undefined) {
- while (!isInDirectoryPath(dirPath, rootPath)) {
- var parentPath = ts.getDirectoryPath(dirPath);
- if (parentPath === dirPath) {
- break;
- }
- nonRecursive = false;
- subDirectoryPath = dirPath;
- subDirectory = dir;
- dirPath = parentPath;
- dir = ts.getDirectoryPath(dir);
- }
- }
- return canWatchDirectory(dirPath) ? { dir: subDirectory || dir, dirPath: subDirectoryPath || dirPath, nonRecursive: nonRecursive } : undefined;
- }
- function isPathWithDefaultFailedLookupExtension(path) {
- return ts.fileExtensionIsOneOf(path, failedLookupDefaultExtensions);
- }
- function watchFailedLookupLocationsOfExternalModuleResolutions(name, resolution, filePath, getResolutionWithResolvedFileName) {
- if (resolution.refCount) {
- resolution.refCount++;
- ts.Debug.assertDefined(resolution.files);
- }
- else {
- resolution.refCount = 1;
- ts.Debug.assert(resolution.files === undefined);
- if (ts.isExternalModuleNameRelative(name)) {
- watchFailedLookupLocationOfResolution(resolution);
- }
- else {
- nonRelativeExternalModuleResolutions.add(name, resolution);
- }
- var resolved = getResolutionWithResolvedFileName(resolution);
- if (resolved && resolved.resolvedFileName) {
- resolvedFileToResolution.add(resolutionHost.toPath(resolved.resolvedFileName), resolution);
- }
- }
- (resolution.files || (resolution.files = [])).push(filePath);
- }
- function watchFailedLookupLocationOfResolution(resolution) {
- ts.Debug.assert(!!resolution.refCount);
- var failedLookupLocations = resolution.failedLookupLocations;
- if (!failedLookupLocations.length)
- return;
- resolutionsWithFailedLookups.push(resolution);
- var setAtRoot = false;
- for (var _i = 0, failedLookupLocations_1 = failedLookupLocations; _i < failedLookupLocations_1.length; _i++) {
- var failedLookupLocation = failedLookupLocations_1[_i];
- var failedLookupLocationPath = resolutionHost.toPath(failedLookupLocation);
- var toWatch = getDirectoryToWatchFailedLookupLocation(failedLookupLocation, failedLookupLocationPath);
- if (toWatch) {
- var dir = toWatch.dir, dirPath = toWatch.dirPath, nonRecursive = toWatch.nonRecursive;
- // If the failed lookup location path is not one of the supported extensions,
- // store it in the custom path
- if (!isPathWithDefaultFailedLookupExtension(failedLookupLocationPath)) {
- var refCount = customFailedLookupPaths.get(failedLookupLocationPath) || 0;
- customFailedLookupPaths.set(failedLookupLocationPath, refCount + 1);
- }
- if (dirPath === rootPath) {
- ts.Debug.assert(!nonRecursive);
- setAtRoot = true;
- }
- else {
- setDirectoryWatcher(dir, dirPath, nonRecursive);
- }
- }
- }
- if (setAtRoot) {
- // This is always non recursive
- setDirectoryWatcher(rootDir, rootPath, /*nonRecursive*/ true); // TODO: GH#18217
- }
- }
- function watchFailedLookupLocationOfNonRelativeModuleResolutions(resolutions, name) {
- var program = resolutionHost.getCurrentProgram();
- if (!program || !program.getTypeChecker().tryFindAmbientModuleWithoutAugmentations(name)) {
- resolutions.forEach(watchFailedLookupLocationOfResolution);
- }
- }
- function setDirectoryWatcher(dir, dirPath, nonRecursive) {
- var dirWatcher = directoryWatchesOfFailedLookups.get(dirPath);
- if (dirWatcher) {
- ts.Debug.assert(!!nonRecursive === !!dirWatcher.nonRecursive);
- dirWatcher.refCount++;
- }
- else {
- directoryWatchesOfFailedLookups.set(dirPath, { watcher: createDirectoryWatcher(dir, dirPath, nonRecursive), refCount: 1, nonRecursive: nonRecursive });
- }
- }
- function stopWatchFailedLookupLocationOfResolution(resolution, filePath, getResolutionWithResolvedFileName) {
- ts.unorderedRemoveItem(ts.Debug.assertDefined(resolution.files), filePath);
- resolution.refCount--;
- if (resolution.refCount) {
- return;
- }
- var resolved = getResolutionWithResolvedFileName(resolution);
- if (resolved && resolved.resolvedFileName) {
- resolvedFileToResolution.remove(resolutionHost.toPath(resolved.resolvedFileName), resolution);
- }
- if (!ts.unorderedRemoveItem(resolutionsWithFailedLookups, resolution)) {
- // If not watching failed lookups, it wont be there in resolutionsWithFailedLookups
- return;
- }
- var failedLookupLocations = resolution.failedLookupLocations;
- var removeAtRoot = false;
- for (var _i = 0, failedLookupLocations_2 = failedLookupLocations; _i < failedLookupLocations_2.length; _i++) {
- var failedLookupLocation = failedLookupLocations_2[_i];
- var failedLookupLocationPath = resolutionHost.toPath(failedLookupLocation);
- var toWatch = getDirectoryToWatchFailedLookupLocation(failedLookupLocation, failedLookupLocationPath);
- if (toWatch) {
- var dirPath = toWatch.dirPath;
- var refCount = customFailedLookupPaths.get(failedLookupLocationPath);
- if (refCount) {
- if (refCount === 1) {
- customFailedLookupPaths.delete(failedLookupLocationPath);
- }
- else {
- ts.Debug.assert(refCount > 1);
- customFailedLookupPaths.set(failedLookupLocationPath, refCount - 1);
- }
- }
- if (dirPath === rootPath) {
- removeAtRoot = true;
- }
- else {
- removeDirectoryWatcher(dirPath);
- }
- }
- }
- if (removeAtRoot) {
- removeDirectoryWatcher(rootPath);
- }
- }
- function removeDirectoryWatcher(dirPath) {
- var dirWatcher = directoryWatchesOfFailedLookups.get(dirPath);
- // Do not close the watcher yet since it might be needed by other failed lookup locations.
- dirWatcher.refCount--;
- }
- function createDirectoryWatcher(directory, dirPath, nonRecursive) {
- return resolutionHost.watchDirectoryOfFailedLookupLocation(directory, function (fileOrDirectory) {
- var fileOrDirectoryPath = resolutionHost.toPath(fileOrDirectory);
- if (cachedDirectoryStructureHost) {
- // Since the file existence changed, update the sourceFiles cache
- cachedDirectoryStructureHost.addOrDeleteFileOrDirectory(fileOrDirectory, fileOrDirectoryPath);
- }
- if (invalidateResolutionOfFailedLookupLocation(fileOrDirectoryPath, dirPath === fileOrDirectoryPath)) {
- resolutionHost.onInvalidatedResolution();
- }
- }, nonRecursive ? 0 /* None */ : 1 /* Recursive */);
- }
- function removeResolutionsOfFileFromCache(cache, filePath, getResolutionWithResolvedFileName) {
- // Deleted file, stop watching failed lookups for all the resolutions in the file
- var resolutions = cache.get(filePath);
- if (resolutions) {
- resolutions.forEach(function (resolution) { return stopWatchFailedLookupLocationOfResolution(resolution, filePath, getResolutionWithResolvedFileName); });
- cache.delete(filePath);
- }
- }
- function removeResolutionsFromProjectReferenceRedirects(filePath) {
- if (!ts.fileExtensionIs(filePath, ".json" /* Json */)) {
- return;
- }
- var program = resolutionHost.getCurrentProgram();
- if (!program) {
- return;
- }
- // If this file is input file for the referenced project, get it
- var resolvedProjectReference = program.getResolvedProjectReferenceByPath(filePath);
- if (!resolvedProjectReference) {
- return;
- }
- // filePath is for the projectReference and the containing file is from this project reference, invalidate the resolution
- resolvedProjectReference.commandLine.fileNames.forEach(function (f) { return removeResolutionsOfFile(resolutionHost.toPath(f)); });
- }
- function removeResolutionsOfFile(filePath) {
- removeResolutionsOfFileFromCache(resolvedModuleNames, filePath, getResolvedModule);
- removeResolutionsOfFileFromCache(resolvedTypeReferenceDirectives, filePath, getResolvedTypeReferenceDirective);
- }
- function invalidateResolution(resolution) {
- resolution.isInvalidated = true;
- var changedInAutoTypeReferenced = false;
- for (var _i = 0, _a = ts.Debug.assertDefined(resolution.files); _i < _a.length; _i++) {
- var containingFilePath = _a[_i];
- (filesWithInvalidatedResolutions || (filesWithInvalidatedResolutions = ts.createMap())).set(containingFilePath, true);
- // When its a file with inferred types resolution, invalidate type reference directive resolution
- changedInAutoTypeReferenced = changedInAutoTypeReferenced || containingFilePath.endsWith(ts.inferredTypesContainingFile);
- }
- if (changedInAutoTypeReferenced) {
- resolutionHost.onChangedAutomaticTypeDirectiveNames();
- }
- }
- function invalidateResolutionOfFile(filePath) {
- removeResolutionsOfFile(filePath);
- // Resolution is invalidated if the resulting file name is same as the deleted file path
- ts.forEach(resolvedFileToResolution.get(filePath), invalidateResolution);
- }
- function setFilesWithInvalidatedNonRelativeUnresolvedImports(filesMap) {
- ts.Debug.assert(filesWithInvalidatedNonRelativeUnresolvedImports === filesMap || filesWithInvalidatedNonRelativeUnresolvedImports === undefined);
- filesWithInvalidatedNonRelativeUnresolvedImports = filesMap;
- }
- function invalidateResolutionOfFailedLookupLocation(fileOrDirectoryPath, isCreatingWatchedDirectory) {
- var isChangedFailedLookupLocation;
- if (isCreatingWatchedDirectory) {
- // Watching directory is created
- // Invalidate any resolution has failed lookup in this directory
- isChangedFailedLookupLocation = function (location) { return isInDirectoryPath(fileOrDirectoryPath, resolutionHost.toPath(location)); };
- }
- else {
- // If something to do with folder/file starting with "." in node_modules folder, skip it
- var updatedPath = removeIgnoredPath(fileOrDirectoryPath);
- if (!updatedPath)
- return false;
- fileOrDirectoryPath = updatedPath;
- // prevent saving an open file from over-eagerly triggering invalidation
- if (resolutionHost.fileIsOpen(fileOrDirectoryPath)) {
- return false;
- }
- // Some file or directory in the watching directory is created
- // Return early if it does not have any of the watching extension or not the custom failed lookup path
- var dirOfFileOrDirectory = ts.getDirectoryPath(fileOrDirectoryPath);
- if (isNodeModulesAtTypesDirectory(fileOrDirectoryPath) || ts.isNodeModulesDirectory(fileOrDirectoryPath) ||
- isNodeModulesAtTypesDirectory(dirOfFileOrDirectory) || ts.isNodeModulesDirectory(dirOfFileOrDirectory)) {
- // Invalidate any resolution from this directory
- isChangedFailedLookupLocation = function (location) {
- var locationPath = resolutionHost.toPath(location);
- return locationPath === fileOrDirectoryPath || ts.startsWith(resolutionHost.toPath(location), fileOrDirectoryPath);
- };
- }
- else {
- if (!isPathWithDefaultFailedLookupExtension(fileOrDirectoryPath) && !customFailedLookupPaths.has(fileOrDirectoryPath)) {
- return false;
- }
- // Ignore emits from the program
- if (ts.isEmittedFileOfProgram(resolutionHost.getCurrentProgram(), fileOrDirectoryPath)) {
- return false;
- }
- // Resolution need to be invalidated if failed lookup location is same as the file or directory getting created
- isChangedFailedLookupLocation = function (location) { return resolutionHost.toPath(location) === fileOrDirectoryPath; };
- }
- }
- var invalidated = false;
- // Resolution is invalidated if the resulting file name is same as the deleted file path
- for (var _i = 0, resolutionsWithFailedLookups_1 = resolutionsWithFailedLookups; _i < resolutionsWithFailedLookups_1.length; _i++) {
- var resolution = resolutionsWithFailedLookups_1[_i];
- if (resolution.failedLookupLocations.some(isChangedFailedLookupLocation)) {
- invalidateResolution(resolution);
- invalidated = true;
- }
- }
- return invalidated;
- }
- function closeTypeRootsWatch() {
- ts.clearMap(typeRootsWatches, ts.closeFileWatcher);
- }
- function getDirectoryToWatchFailedLookupLocationFromTypeRoot(typeRoot, typeRootPath) {
- if (isInDirectoryPath(rootPath, typeRootPath)) {
- return rootPath;
- }
- var toWatch = getDirectoryToWatchFromFailedLookupLocationDirectory(typeRoot, typeRootPath);
- return toWatch && directoryWatchesOfFailedLookups.has(toWatch.dirPath) ? toWatch.dirPath : undefined;
- }
- function createTypeRootsWatch(typeRootPath, typeRoot) {
- // Create new watch and recursive info
- return resolutionHost.watchTypeRootsDirectory(typeRoot, function (fileOrDirectory) {
- var fileOrDirectoryPath = resolutionHost.toPath(fileOrDirectory);
- if (cachedDirectoryStructureHost) {
- // Since the file existence changed, update the sourceFiles cache
- cachedDirectoryStructureHost.addOrDeleteFileOrDirectory(fileOrDirectory, fileOrDirectoryPath);
- }
- // For now just recompile
- // We could potentially store more data here about whether it was/would be really be used or not
- // and with that determine to trigger compilation but for now this is enough
- resolutionHost.onChangedAutomaticTypeDirectiveNames();
- // Since directory watchers invoked are flaky, the failed lookup location events might not be triggered
- // So handle to failed lookup locations here as well to ensure we are invalidating resolutions
- var dirPath = getDirectoryToWatchFailedLookupLocationFromTypeRoot(typeRoot, typeRootPath);
- if (dirPath && invalidateResolutionOfFailedLookupLocation(fileOrDirectoryPath, dirPath === fileOrDirectoryPath)) {
- resolutionHost.onInvalidatedResolution();
- }
- }, 1 /* Recursive */);
- }
- /**
- * Watches the types that would get added as part of getAutomaticTypeDirectiveNames
- * To be called when compiler options change
- */
- function updateTypeRootsWatch() {
- var options = resolutionHost.getCompilationSettings();
- if (options.types) {
- // No need to do any watch since resolution cache is going to handle the failed lookups
- // for the types added by this
- closeTypeRootsWatch();
- return;
- }
- // we need to assume the directories exist to ensure that we can get all the type root directories that get included
- // But filter directories that are at root level to say directory doesnt exist, so that we arent watching them
- var typeRoots = ts.getEffectiveTypeRoots(options, { directoryExists: directoryExistsForTypeRootWatch, getCurrentDirectory: getCurrentDirectory });
- if (typeRoots) {
- ts.mutateMap(typeRootsWatches, ts.arrayToMap(typeRoots, function (tr) { return resolutionHost.toPath(tr); }), {
- createNewValue: createTypeRootsWatch,
- onDeleteValue: ts.closeFileWatcher
- });
- }
- else {
- closeTypeRootsWatch();
- }
- }
- /**
- * Use this function to return if directory exists to get type roots to watch
- * If we return directory exists then only the paths will be added to type roots
- * Hence return true for all directories except root directories which are filtered from watching
- */
- function directoryExistsForTypeRootWatch(nodeTypesDirectory) {
- var dir = ts.getDirectoryPath(ts.getDirectoryPath(nodeTypesDirectory));
- var dirPath = resolutionHost.toPath(dir);
- return dirPath === rootPath || canWatchDirectory(dirPath);
- }
- }
- ts.createResolutionCache = createResolutionCache;
-})(ts || (ts = {}));
-// Used by importFixes, getEditsForFileRename, and declaration emit to synthesize import module specifiers.
-/* @internal */
-var ts;
-(function (ts) {
- var moduleSpecifiers;
- (function (moduleSpecifiers) {
- var RelativePreference;
- (function (RelativePreference) {
- RelativePreference[RelativePreference["Relative"] = 0] = "Relative";
- RelativePreference[RelativePreference["NonRelative"] = 1] = "NonRelative";
- RelativePreference[RelativePreference["Auto"] = 2] = "Auto";
- })(RelativePreference || (RelativePreference = {}));
- // See UserPreferences#importPathEnding
- var Ending;
- (function (Ending) {
- Ending[Ending["Minimal"] = 0] = "Minimal";
- Ending[Ending["Index"] = 1] = "Index";
- Ending[Ending["JsExtension"] = 2] = "JsExtension";
- })(Ending || (Ending = {}));
- function getPreferences(_a, compilerOptions, importingSourceFile) {
- var importModuleSpecifierPreference = _a.importModuleSpecifierPreference, importModuleSpecifierEnding = _a.importModuleSpecifierEnding;
- return {
- relativePreference: importModuleSpecifierPreference === "relative" ? 0 /* Relative */ : importModuleSpecifierPreference === "non-relative" ? 1 /* NonRelative */ : 2 /* Auto */,
- ending: getEnding(),
- };
- function getEnding() {
- switch (importModuleSpecifierEnding) {
- case "minimal": return 0 /* Minimal */;
- case "index": return 1 /* Index */;
- case "js": return 2 /* JsExtension */;
- default: return usesJsExtensionOnImports(importingSourceFile) ? 2 /* JsExtension */
- : ts.getEmitModuleResolutionKind(compilerOptions) !== ts.ModuleResolutionKind.NodeJs ? 1 /* Index */ : 0 /* Minimal */;
- }
- }
- }
- function getPreferencesForUpdate(compilerOptions, oldImportSpecifier) {
- return {
- relativePreference: ts.isExternalModuleNameRelative(oldImportSpecifier) ? 0 /* Relative */ : 1 /* NonRelative */,
- ending: ts.hasJSFileExtension(oldImportSpecifier) ?
- 2 /* JsExtension */ :
- ts.getEmitModuleResolutionKind(compilerOptions) !== ts.ModuleResolutionKind.NodeJs || ts.endsWith(oldImportSpecifier, "index") ? 1 /* Index */ : 0 /* Minimal */,
- };
- }
- function updateModuleSpecifier(compilerOptions, importingSourceFileName, toFileName, host, oldImportSpecifier) {
- var res = getModuleSpecifierWorker(compilerOptions, importingSourceFileName, toFileName, host, getPreferencesForUpdate(compilerOptions, oldImportSpecifier));
- if (res === oldImportSpecifier)
- return undefined;
- return res;
- }
- moduleSpecifiers.updateModuleSpecifier = updateModuleSpecifier;
- // Note: importingSourceFile is just for usesJsExtensionOnImports
- function getModuleSpecifier(compilerOptions, importingSourceFile, importingSourceFileName, toFileName, host, preferences) {
- if (preferences === void 0) { preferences = {}; }
- return getModuleSpecifierWorker(compilerOptions, importingSourceFileName, toFileName, host, getPreferences(preferences, compilerOptions, importingSourceFile));
- }
- moduleSpecifiers.getModuleSpecifier = getModuleSpecifier;
- function getNodeModulesPackageName(compilerOptions, importingSourceFileName, nodeModulesFileName, host) {
- var info = getInfo(importingSourceFileName, host);
- var modulePaths = getAllModulePaths(importingSourceFileName, nodeModulesFileName, host);
- return ts.firstDefined(modulePaths, function (moduleFileName) { return tryGetModuleNameAsNodeModule(moduleFileName, info, host, compilerOptions, /*packageNameOnly*/ true); });
- }
- moduleSpecifiers.getNodeModulesPackageName = getNodeModulesPackageName;
- function getModuleSpecifierWorker(compilerOptions, importingSourceFileName, toFileName, host, preferences) {
- var info = getInfo(importingSourceFileName, host);
- var modulePaths = getAllModulePaths(importingSourceFileName, toFileName, host);
- return ts.firstDefined(modulePaths, function (moduleFileName) { return tryGetModuleNameAsNodeModule(moduleFileName, info, host, compilerOptions); }) ||
- getLocalModuleSpecifier(toFileName, info, compilerOptions, preferences);
- }
- /** Returns an import for each symlink and for the realpath. */
- function getModuleSpecifiers(moduleSymbol, compilerOptions, importingSourceFile, host, userPreferences) {
- var ambient = tryGetModuleNameFromAmbientModule(moduleSymbol);
- if (ambient)
- return [ambient];
- var info = getInfo(importingSourceFile.path, host);
- var moduleSourceFile = ts.getSourceFileOfNode(moduleSymbol.valueDeclaration || ts.getNonAugmentationDeclaration(moduleSymbol));
- var modulePaths = getAllModulePaths(importingSourceFile.path, moduleSourceFile.originalFileName, host);
- var preferences = getPreferences(userPreferences, compilerOptions, importingSourceFile);
- var global = ts.mapDefined(modulePaths, function (moduleFileName) { return tryGetModuleNameAsNodeModule(moduleFileName, info, host, compilerOptions); });
- return global.length ? global : modulePaths.map(function (moduleFileName) { return getLocalModuleSpecifier(moduleFileName, info, compilerOptions, preferences); });
- }
- moduleSpecifiers.getModuleSpecifiers = getModuleSpecifiers;
- // importingSourceFileName is separate because getEditsForFileRename may need to specify an updated path
- function getInfo(importingSourceFileName, host) {
- var getCanonicalFileName = ts.createGetCanonicalFileName(host.useCaseSensitiveFileNames ? host.useCaseSensitiveFileNames() : true);
- var sourceDirectory = ts.getDirectoryPath(importingSourceFileName);
- return { getCanonicalFileName: getCanonicalFileName, sourceDirectory: sourceDirectory };
- }
- function getLocalModuleSpecifier(moduleFileName, _a, compilerOptions, _b) {
- var getCanonicalFileName = _a.getCanonicalFileName, sourceDirectory = _a.sourceDirectory;
- var ending = _b.ending, relativePreference = _b.relativePreference;
- var baseUrl = compilerOptions.baseUrl, paths = compilerOptions.paths, rootDirs = compilerOptions.rootDirs;
- var relativePath = rootDirs && tryGetModuleNameFromRootDirs(rootDirs, moduleFileName, sourceDirectory, getCanonicalFileName, ending, compilerOptions) ||
- removeExtensionAndIndexPostFix(ts.ensurePathIsNonModuleName(ts.getRelativePathFromDirectory(sourceDirectory, moduleFileName, getCanonicalFileName)), ending, compilerOptions);
- if (!baseUrl || relativePreference === 0 /* Relative */) {
- return relativePath;
- }
- var relativeToBaseUrl = getRelativePathIfInDirectory(moduleFileName, baseUrl, getCanonicalFileName);
- if (!relativeToBaseUrl) {
- return relativePath;
- }
- var importRelativeToBaseUrl = removeExtensionAndIndexPostFix(relativeToBaseUrl, ending, compilerOptions);
- var fromPaths = paths && tryGetModuleNameFromPaths(ts.removeFileExtension(relativeToBaseUrl), importRelativeToBaseUrl, paths);
- var nonRelative = fromPaths === undefined ? importRelativeToBaseUrl : fromPaths;
- if (relativePreference === 1 /* NonRelative */) {
- return nonRelative;
- }
- if (relativePreference !== 2 /* Auto */)
- ts.Debug.assertNever(relativePreference);
- // Prefer a relative import over a baseUrl import if it has fewer components.
- return isPathRelativeToParent(nonRelative) || countPathComponents(relativePath) < countPathComponents(nonRelative) ? relativePath : nonRelative;
- }
- function countPathComponents(path) {
- var count = 0;
- for (var i = ts.startsWith(path, "./") ? 2 : 0; i < path.length; i++) {
- if (path.charCodeAt(i) === 47 /* slash */)
- count++;
- }
- return count;
- }
- moduleSpecifiers.countPathComponents = countPathComponents;
- function usesJsExtensionOnImports(_a) {
- var imports = _a.imports;
- return ts.firstDefined(imports, function (_a) {
- var text = _a.text;
- return ts.pathIsRelative(text) ? ts.hasJSFileExtension(text) : undefined;
- }) || false;
- }
- function numberOfDirectorySeparators(str) {
- var match = str.match(/\//g);
- return match ? match.length : 0;
- }
- function comparePathsByNumberOfDirectorySeparators(a, b) {
- return ts.compareValues(numberOfDirectorySeparators(a), numberOfDirectorySeparators(b));
- }
- function forEachFileNameOfModule(importingFileName, importedFileName, host, preferSymlinks, cb) {
- var getCanonicalFileName = ts.hostGetCanonicalFileName(host);
- var cwd = host.getCurrentDirectory();
- var referenceRedirect = host.isSourceOfProjectReferenceRedirect(importedFileName) ? host.getProjectReferenceRedirect(importedFileName) : undefined;
- var redirects = host.redirectTargetsMap.get(ts.toPath(importedFileName, cwd, getCanonicalFileName)) || ts.emptyArray;
- var importedFileNames = __spreadArrays((referenceRedirect ? [referenceRedirect] : ts.emptyArray), [importedFileName], redirects);
- var targets = importedFileNames.map(function (f) { return ts.getNormalizedAbsolutePath(f, cwd); });
- if (!preferSymlinks) {
- var result_12 = ts.forEach(targets, cb);
- if (result_12)
- return result_12;
- }
- var links = host.getProbableSymlinks
- ? host.getProbableSymlinks(host.getSourceFiles())
- : ts.discoverProbableSymlinks(host.getSourceFiles(), getCanonicalFileName, cwd);
- var compareStrings = (!host.useCaseSensitiveFileNames || host.useCaseSensitiveFileNames()) ? ts.compareStringsCaseSensitive : ts.compareStringsCaseInsensitive;
- var result = ts.forEachEntry(links, function (resolved, path) {
- if (ts.startsWithDirectory(importingFileName, resolved, getCanonicalFileName)) {
- return undefined; // Don't want to a package to globally import from itself
- }
- var target = ts.find(targets, function (t) { return compareStrings(t.slice(0, resolved.length + 1), resolved + "/") === 0 /* EqualTo */; });
- if (target === undefined)
- return undefined;
- var relative = ts.getRelativePathFromDirectory(resolved, target, getCanonicalFileName);
- var option = ts.resolvePath(path, relative);
- if (!host.fileExists || host.fileExists(option)) {
- var result_13 = cb(option);
- if (result_13)
- return result_13;
- }
- });
- return result ||
- (preferSymlinks ? ts.forEach(targets, cb) : undefined);
- }
- moduleSpecifiers.forEachFileNameOfModule = forEachFileNameOfModule;
- /**
- * Looks for existing imports that use symlinks to this module.
- * Symlinks will be returned first so they are preferred over the real path.
- */
- function getAllModulePaths(importingFileName, importedFileName, host) {
- var cwd = host.getCurrentDirectory();
- var getCanonicalFileName = ts.hostGetCanonicalFileName(host);
- var allFileNames = ts.createMap();
- var importedFileFromNodeModules = false;
- forEachFileNameOfModule(importingFileName, importedFileName, host,
- /*preferSymlinks*/ true, function (path) {
- // dont return value, so we collect everything
- allFileNames.set(path, getCanonicalFileName(path));
- importedFileFromNodeModules = importedFileFromNodeModules || ts.pathContainsNodeModules(path);
- });
- // Sort by paths closest to importing file Name directory
- var sortedPaths = [];
- var _loop_20 = function (directory) {
- var directoryStart = ts.ensureTrailingDirectorySeparator(directory);
- var pathsInDirectory;
- allFileNames.forEach(function (canonicalFileName, fileName) {
- if (ts.startsWith(canonicalFileName, directoryStart)) {
- // If the importedFile is from node modules, use only paths in node_modules folder as option
- if (!importedFileFromNodeModules || ts.pathContainsNodeModules(fileName)) {
- (pathsInDirectory || (pathsInDirectory = [])).push(fileName);
- }
- allFileNames.delete(fileName);
- }
- });
- if (pathsInDirectory) {
- if (pathsInDirectory.length > 1) {
- pathsInDirectory.sort(comparePathsByNumberOfDirectorySeparators);
- }
- sortedPaths.push.apply(sortedPaths, pathsInDirectory);
- }
- var newDirectory = ts.getDirectoryPath(directory);
- if (newDirectory === directory)
- return out_directory_1 = directory, "break";
- directory = newDirectory;
- out_directory_1 = directory;
- };
- var out_directory_1;
- for (var directory = ts.getDirectoryPath(ts.toPath(importingFileName, cwd, getCanonicalFileName)); allFileNames.size !== 0;) {
- var state_8 = _loop_20(directory);
- directory = out_directory_1;
- if (state_8 === "break")
- break;
- }
- if (allFileNames.size) {
- var remainingPaths = ts.arrayFrom(allFileNames.values());
- if (remainingPaths.length > 1)
- remainingPaths.sort(comparePathsByNumberOfDirectorySeparators);
- sortedPaths.push.apply(sortedPaths, remainingPaths);
- }
- return sortedPaths;
- }
- function tryGetModuleNameFromAmbientModule(moduleSymbol) {
- var decl = ts.find(moduleSymbol.declarations, function (d) { return ts.isNonGlobalAmbientModule(d) && (!ts.isExternalModuleAugmentation(d) || !ts.isExternalModuleNameRelative(ts.getTextOfIdentifierOrLiteral(d.name))); });
- if (decl) {
- return decl.name.text;
- }
- }
- function tryGetModuleNameFromPaths(relativeToBaseUrlWithIndex, relativeToBaseUrl, paths) {
- for (var key in paths) {
- for (var _i = 0, _a = paths[key]; _i < _a.length; _i++) {
- var patternText_1 = _a[_i];
- var pattern = ts.removeFileExtension(ts.normalizePath(patternText_1));
- var indexOfStar = pattern.indexOf("*");
- if (indexOfStar !== -1) {
- var prefix = pattern.substr(0, indexOfStar);
- var suffix = pattern.substr(indexOfStar + 1);
- if (relativeToBaseUrl.length >= prefix.length + suffix.length &&
- ts.startsWith(relativeToBaseUrl, prefix) &&
- ts.endsWith(relativeToBaseUrl, suffix) ||
- !suffix && relativeToBaseUrl === ts.removeTrailingDirectorySeparator(prefix)) {
- var matchedStar = relativeToBaseUrl.substr(prefix.length, relativeToBaseUrl.length - suffix.length);
- return key.replace("*", matchedStar);
- }
- }
- else if (pattern === relativeToBaseUrl || pattern === relativeToBaseUrlWithIndex) {
- return key;
- }
- }
- }
- }
- function tryGetModuleNameFromRootDirs(rootDirs, moduleFileName, sourceDirectory, getCanonicalFileName, ending, compilerOptions) {
- var normalizedTargetPath = getPathRelativeToRootDirs(moduleFileName, rootDirs, getCanonicalFileName);
- if (normalizedTargetPath === undefined) {
- return undefined;
- }
- var normalizedSourcePath = getPathRelativeToRootDirs(sourceDirectory, rootDirs, getCanonicalFileName);
- var relativePath = normalizedSourcePath !== undefined ? ts.ensurePathIsNonModuleName(ts.getRelativePathFromDirectory(normalizedSourcePath, normalizedTargetPath, getCanonicalFileName)) : normalizedTargetPath;
- return ts.getEmitModuleResolutionKind(compilerOptions) === ts.ModuleResolutionKind.NodeJs
- ? removeExtensionAndIndexPostFix(relativePath, ending, compilerOptions)
- : ts.removeFileExtension(relativePath);
- }
- function tryGetModuleNameAsNodeModule(moduleFileName, _a, host, options, packageNameOnly) {
- var getCanonicalFileName = _a.getCanonicalFileName, sourceDirectory = _a.sourceDirectory;
- if (!host.fileExists || !host.readFile) {
- return undefined;
- }
- var parts = getNodeModulePathParts(moduleFileName);
- if (!parts) {
- return undefined;
- }
- // Simplify the full file path to something that can be resolved by Node.
- var moduleSpecifier = moduleFileName;
- if (!packageNameOnly) {
- var packageRootIndex = parts.packageRootIndex;
- var moduleFileNameForExtensionless = void 0;
- while (true) {
- // If the module could be imported by a directory name, use that directory's name
- var _b = tryDirectoryWithPackageJson(packageRootIndex), moduleFileToTry = _b.moduleFileToTry, packageRootPath = _b.packageRootPath;
- if (packageRootPath) {
- moduleSpecifier = packageRootPath;
- break;
- }
- if (!moduleFileNameForExtensionless)
- moduleFileNameForExtensionless = moduleFileToTry;
- // try with next level of directory
- packageRootIndex = moduleFileName.indexOf(ts.directorySeparator, packageRootIndex + 1);
- if (packageRootIndex === -1) {
- moduleSpecifier = getExtensionlessFileName(moduleFileNameForExtensionless);
- break;
- }
- }
- }
- var globalTypingsCacheLocation = host.getGlobalTypingsCacheLocation && host.getGlobalTypingsCacheLocation();
- // Get a path that's relative to node_modules or the importing file's path
- // if node_modules folder is in this folder or any of its parent folders, no need to keep it.
- var pathToTopLevelNodeModules = getCanonicalFileName(moduleSpecifier.substring(0, parts.topLevelNodeModulesIndex));
- if (!(ts.startsWith(sourceDirectory, pathToTopLevelNodeModules) || globalTypingsCacheLocation && ts.startsWith(getCanonicalFileName(globalTypingsCacheLocation), pathToTopLevelNodeModules))) {
- return undefined;
- }
- // If the module was found in @types, get the actual Node package name
- var nodeModulesDirectoryName = moduleSpecifier.substring(parts.topLevelPackageNameIndex + 1);
- var packageName = ts.getPackageNameFromTypesPackageName(nodeModulesDirectoryName);
- // For classic resolution, only allow importing from node_modules/@types, not other node_modules
- return ts.getEmitModuleResolutionKind(options) !== ts.ModuleResolutionKind.NodeJs && packageName === nodeModulesDirectoryName ? undefined : packageName;
- function tryDirectoryWithPackageJson(packageRootIndex) {
- var packageRootPath = moduleFileName.substring(0, packageRootIndex);
- var packageJsonPath = ts.combinePaths(packageRootPath, "package.json");
- var moduleFileToTry = moduleFileName;
- if (host.fileExists(packageJsonPath)) {
- var packageJsonContent = JSON.parse(host.readFile(packageJsonPath));
- var versionPaths = packageJsonContent.typesVersions
- ? ts.getPackageJsonTypesVersionsPaths(packageJsonContent.typesVersions)
- : undefined;
- if (versionPaths) {
- var subModuleName = moduleFileName.slice(packageRootPath.length + 1);
- var fromPaths = tryGetModuleNameFromPaths(ts.removeFileExtension(subModuleName), removeExtensionAndIndexPostFix(subModuleName, 0 /* Minimal */, options), versionPaths.paths);
- if (fromPaths !== undefined) {
- moduleFileToTry = ts.combinePaths(packageRootPath, fromPaths);
- }
- }
- // If the file is the main module, it can be imported by the package name
- var mainFileRelative = packageJsonContent.typings || packageJsonContent.types || packageJsonContent.main;
- if (ts.isString(mainFileRelative)) {
- var mainExportFile = ts.toPath(mainFileRelative, packageRootPath, getCanonicalFileName);
- if (ts.removeFileExtension(mainExportFile) === ts.removeFileExtension(getCanonicalFileName(moduleFileToTry))) {
- return { packageRootPath: packageRootPath, moduleFileToTry: moduleFileToTry };
- }
- }
- }
- return { moduleFileToTry: moduleFileToTry };
- }
- function getExtensionlessFileName(path) {
- // We still have a file name - remove the extension
- var fullModulePathWithoutExtension = ts.removeFileExtension(path);
- // If the file is /index, it can be imported by its directory name
- // IFF there is not _also_ a file by the same name
- if (getCanonicalFileName(fullModulePathWithoutExtension.substring(parts.fileNameIndex)) === "/index" && !tryGetAnyFileFromPath(host, fullModulePathWithoutExtension.substring(0, parts.fileNameIndex))) {
- return fullModulePathWithoutExtension.substring(0, parts.fileNameIndex);
- }
- return fullModulePathWithoutExtension;
- }
- }
- function tryGetAnyFileFromPath(host, path) {
- if (!host.fileExists)
- return;
- // We check all js, `node` and `json` extensions in addition to TS, since node module resolution would also choose those over the directory
- var extensions = ts.getSupportedExtensions({ allowJs: true }, [{ extension: "node", isMixedContent: false }, { extension: "json", isMixedContent: false, scriptKind: 6 /* JSON */ }]);
- for (var _i = 0, extensions_3 = extensions; _i < extensions_3.length; _i++) {
- var e = extensions_3[_i];
- var fullPath = path + e;
- if (host.fileExists(fullPath)) {
- return fullPath;
- }
- }
- }
- function getNodeModulePathParts(fullPath) {
- // If fullPath can't be valid module file within node_modules, returns undefined.
- // Example of expected pattern: /base/path/node_modules/[@scope/otherpackage/@otherscope/node_modules/]package/[subdirectory/]file.js
- // Returns indices: ^ ^ ^ ^
- var topLevelNodeModulesIndex = 0;
- var topLevelPackageNameIndex = 0;
- var packageRootIndex = 0;
- var fileNameIndex = 0;
- var States;
- (function (States) {
- States[States["BeforeNodeModules"] = 0] = "BeforeNodeModules";
- States[States["NodeModules"] = 1] = "NodeModules";
- States[States["Scope"] = 2] = "Scope";
- States[States["PackageContent"] = 3] = "PackageContent";
- })(States || (States = {}));
- var partStart = 0;
- var partEnd = 0;
- var state = 0 /* BeforeNodeModules */;
- while (partEnd >= 0) {
- partStart = partEnd;
- partEnd = fullPath.indexOf("/", partStart + 1);
- switch (state) {
- case 0 /* BeforeNodeModules */:
- if (fullPath.indexOf(ts.nodeModulesPathPart, partStart) === partStart) {
- topLevelNodeModulesIndex = partStart;
- topLevelPackageNameIndex = partEnd;
- state = 1 /* NodeModules */;
- }
- break;
- case 1 /* NodeModules */:
- case 2 /* Scope */:
- if (state === 1 /* NodeModules */ && fullPath.charAt(partStart + 1) === "@") {
- state = 2 /* Scope */;
- }
- else {
- packageRootIndex = partEnd;
- state = 3 /* PackageContent */;
- }
- break;
- case 3 /* PackageContent */:
- if (fullPath.indexOf(ts.nodeModulesPathPart, partStart) === partStart) {
- state = 1 /* NodeModules */;
- }
- else {
- state = 3 /* PackageContent */;
- }
- break;
- }
- }
- fileNameIndex = partStart;
- return state > 1 /* NodeModules */ ? { topLevelNodeModulesIndex: topLevelNodeModulesIndex, topLevelPackageNameIndex: topLevelPackageNameIndex, packageRootIndex: packageRootIndex, fileNameIndex: fileNameIndex } : undefined;
- }
- function getPathRelativeToRootDirs(path, rootDirs, getCanonicalFileName) {
- return ts.firstDefined(rootDirs, function (rootDir) {
- var relativePath = getRelativePathIfInDirectory(path, rootDir, getCanonicalFileName); // TODO: GH#18217
- return isPathRelativeToParent(relativePath) ? undefined : relativePath;
- });
- }
- function removeExtensionAndIndexPostFix(fileName, ending, options) {
- if (ts.fileExtensionIs(fileName, ".json" /* Json */))
- return fileName;
- var noExtension = ts.removeFileExtension(fileName);
- switch (ending) {
- case 0 /* Minimal */:
- return ts.removeSuffix(noExtension, "/index");
- case 1 /* Index */:
- return noExtension;
- case 2 /* JsExtension */:
- return noExtension + getJSExtensionForFile(fileName, options);
- default:
- return ts.Debug.assertNever(ending);
- }
- }
- function getJSExtensionForFile(fileName, options) {
- var ext = ts.extensionFromPath(fileName);
- switch (ext) {
- case ".ts" /* Ts */:
- case ".d.ts" /* Dts */:
- return ".js" /* Js */;
- case ".tsx" /* Tsx */:
- return options.jsx === 1 /* Preserve */ ? ".jsx" /* Jsx */ : ".js" /* Js */;
- case ".js" /* Js */:
- case ".jsx" /* Jsx */:
- case ".json" /* Json */:
- return ext;
- case ".tsbuildinfo" /* TsBuildInfo */:
- return ts.Debug.fail("Extension " + ".tsbuildinfo" /* TsBuildInfo */ + " is unsupported:: FileName:: " + fileName);
- default:
- return ts.Debug.assertNever(ext);
- }
- }
- function getRelativePathIfInDirectory(path, directoryPath, getCanonicalFileName) {
- var relativePath = ts.getRelativePathToDirectoryOrUrl(directoryPath, path, directoryPath, getCanonicalFileName, /*isAbsolutePathAnUrl*/ false);
- return ts.isRootedDiskPath(relativePath) ? undefined : relativePath;
- }
- function isPathRelativeToParent(path) {
- return ts.startsWith(path, "..");
- }
- })(moduleSpecifiers = ts.moduleSpecifiers || (ts.moduleSpecifiers = {}));
-})(ts || (ts = {}));
-/*@internal*/
-var ts;
-(function (ts) {
- var sysFormatDiagnosticsHost = ts.sys ? {
- getCurrentDirectory: function () { return ts.sys.getCurrentDirectory(); },
- getNewLine: function () { return ts.sys.newLine; },
- getCanonicalFileName: ts.createGetCanonicalFileName(ts.sys.useCaseSensitiveFileNames)
- } : undefined; // TODO: GH#18217
- /**
- * Create a function that reports error by writing to the system and handles the formating of the diagnostic
- */
- function createDiagnosticReporter(system, pretty) {
- var host = system === ts.sys ? sysFormatDiagnosticsHost : {
- getCurrentDirectory: function () { return system.getCurrentDirectory(); },
- getNewLine: function () { return system.newLine; },
- getCanonicalFileName: ts.createGetCanonicalFileName(system.useCaseSensitiveFileNames),
- };
- if (!pretty) {
- return function (diagnostic) { return system.write(ts.formatDiagnostic(diagnostic, host)); };
- }
- var diagnostics = new Array(1);
- return function (diagnostic) {
- diagnostics[0] = diagnostic;
- system.write(ts.formatDiagnosticsWithColorAndContext(diagnostics, host) + host.getNewLine());
- diagnostics[0] = undefined; // TODO: GH#18217
- };
- }
- ts.createDiagnosticReporter = createDiagnosticReporter;
- /**
- * @returns Whether the screen was cleared.
- */
- function clearScreenIfNotWatchingForFileChanges(system, diagnostic, options) {
- if (system.clearScreen &&
- !options.preserveWatchOutput &&
- !options.extendedDiagnostics &&
- !options.diagnostics &&
- ts.contains(ts.screenStartingMessageCodes, diagnostic.code)) {
- system.clearScreen();
- return true;
- }
- return false;
- }
- ts.screenStartingMessageCodes = [
- ts.Diagnostics.Starting_compilation_in_watch_mode.code,
- ts.Diagnostics.File_change_detected_Starting_incremental_compilation.code,
- ];
- function getPlainDiagnosticFollowingNewLines(diagnostic, newLine) {
- return ts.contains(ts.screenStartingMessageCodes, diagnostic.code)
- ? newLine + newLine
- : newLine;
- }
- /**
- * Get locale specific time based on whether we are in test mode
- */
- function getLocaleTimeString(system) {
- return !system.now ?
- new Date().toLocaleTimeString() :
- system.now().toLocaleTimeString("en-US", { timeZone: "UTC" });
- }
- ts.getLocaleTimeString = getLocaleTimeString;
- /**
- * Create a function that reports watch status by writing to the system and handles the formating of the diagnostic
- */
- function createWatchStatusReporter(system, pretty) {
- return pretty ?
- function (diagnostic, newLine, options) {
- clearScreenIfNotWatchingForFileChanges(system, diagnostic, options);
- var output = "[" + ts.formatColorAndReset(getLocaleTimeString(system), ts.ForegroundColorEscapeSequences.Grey) + "] ";
- output += "" + ts.flattenDiagnosticMessageText(diagnostic.messageText, system.newLine) + (newLine + newLine);
- system.write(output);
- } :
- function (diagnostic, newLine, options) {
- var output = "";
- if (!clearScreenIfNotWatchingForFileChanges(system, diagnostic, options)) {
- output += newLine;
- }
- output += getLocaleTimeString(system) + " - ";
- output += "" + ts.flattenDiagnosticMessageText(diagnostic.messageText, system.newLine) + getPlainDiagnosticFollowingNewLines(diagnostic, newLine);
- system.write(output);
- };
- }
- ts.createWatchStatusReporter = createWatchStatusReporter;
- /** Parses config file using System interface */
- function parseConfigFileWithSystem(configFileName, optionsToExtend, watchOptionsToExtend, system, reportDiagnostic) {
- var host = system;
- host.onUnRecoverableConfigFileDiagnostic = function (diagnostic) { return reportUnrecoverableDiagnostic(system, reportDiagnostic, diagnostic); };
- var result = ts.getParsedCommandLineOfConfigFile(configFileName, optionsToExtend, host, /*extendedConfigCache*/ undefined, watchOptionsToExtend);
- host.onUnRecoverableConfigFileDiagnostic = undefined; // TODO: GH#18217
- return result;
- }
- ts.parseConfigFileWithSystem = parseConfigFileWithSystem;
- function getErrorCountForSummary(diagnostics) {
- return ts.countWhere(diagnostics, function (diagnostic) { return diagnostic.category === ts.DiagnosticCategory.Error; });
- }
- ts.getErrorCountForSummary = getErrorCountForSummary;
- function getWatchErrorSummaryDiagnosticMessage(errorCount) {
- return errorCount === 1 ?
- ts.Diagnostics.Found_1_error_Watching_for_file_changes :
- ts.Diagnostics.Found_0_errors_Watching_for_file_changes;
- }
- ts.getWatchErrorSummaryDiagnosticMessage = getWatchErrorSummaryDiagnosticMessage;
- function getErrorSummaryText(errorCount, newLine) {
- if (errorCount === 0)
- return "";
- var d = ts.createCompilerDiagnostic(errorCount === 1 ? ts.Diagnostics.Found_1_error : ts.Diagnostics.Found_0_errors, errorCount);
- return "" + newLine + ts.flattenDiagnosticMessageText(d.messageText, newLine) + newLine + newLine;
- }
- ts.getErrorSummaryText = getErrorSummaryText;
- function listFiles(program, writeFileName) {
- if (program.getCompilerOptions().listFiles || program.getCompilerOptions().listFilesOnly) {
- ts.forEach(program.getSourceFiles(), function (file) {
- writeFileName(file.fileName);
- });
- }
- }
- ts.listFiles = listFiles;
- /**
- * Helper that emit files, report diagnostics and lists emitted and/or source files depending on compiler options
- */
- function emitFilesAndReportErrors(program, reportDiagnostic, writeFileName, reportSummary, writeFile, cancellationToken, emitOnlyDtsFiles, customTransformers) {
- var isListFilesOnly = !!program.getCompilerOptions().listFilesOnly;
- // First get and report any syntactic errors.
- var allDiagnostics = program.getConfigFileParsingDiagnostics().slice();
- var configFileParsingDiagnosticsLength = allDiagnostics.length;
- ts.addRange(allDiagnostics, program.getSyntacticDiagnostics(/*sourceFile*/ undefined, cancellationToken));
- // If we didn't have any syntactic errors, then also try getting the global and
- // semantic errors.
- if (allDiagnostics.length === configFileParsingDiagnosticsLength) {
- ts.addRange(allDiagnostics, program.getOptionsDiagnostics(cancellationToken));
- if (!isListFilesOnly) {
- ts.addRange(allDiagnostics, program.getGlobalDiagnostics(cancellationToken));
- if (allDiagnostics.length === configFileParsingDiagnosticsLength) {
- ts.addRange(allDiagnostics, program.getSemanticDiagnostics(/*sourceFile*/ undefined, cancellationToken));
- }
- }
- }
- // Emit and report any errors we ran into.
- var emitResult = isListFilesOnly
- ? { emitSkipped: true, diagnostics: ts.emptyArray }
- : program.emit(/*targetSourceFile*/ undefined, writeFile, cancellationToken, emitOnlyDtsFiles, customTransformers);
- var emittedFiles = emitResult.emittedFiles, emitDiagnostics = emitResult.diagnostics;
- ts.addRange(allDiagnostics, emitDiagnostics);
- var diagnostics = ts.sortAndDeduplicateDiagnostics(allDiagnostics);
- diagnostics.forEach(reportDiagnostic);
- if (writeFileName) {
- var currentDir_1 = program.getCurrentDirectory();
- ts.forEach(emittedFiles, function (file) {
- var filepath = ts.getNormalizedAbsolutePath(file, currentDir_1);
- writeFileName("TSFILE: " + filepath);
- });
- listFiles(program, writeFileName);
- }
- if (reportSummary) {
- reportSummary(getErrorCountForSummary(diagnostics));
- }
- return {
- emitResult: emitResult,
- diagnostics: diagnostics,
- };
- }
- ts.emitFilesAndReportErrors = emitFilesAndReportErrors;
- function emitFilesAndReportErrorsAndGetExitStatus(program, reportDiagnostic, writeFileName, reportSummary, writeFile, cancellationToken, emitOnlyDtsFiles, customTransformers) {
- var _a = emitFilesAndReportErrors(program, reportDiagnostic, writeFileName, reportSummary, writeFile, cancellationToken, emitOnlyDtsFiles, customTransformers), emitResult = _a.emitResult, diagnostics = _a.diagnostics;
- if (emitResult.emitSkipped && diagnostics.length > 0) {
- // If the emitter didn't emit anything, then pass that value along.
- return ts.ExitStatus.DiagnosticsPresent_OutputsSkipped;
- }
- else if (diagnostics.length > 0) {
- // The emitter emitted something, inform the caller if that happened in the presence
- // of diagnostics or not.
- return ts.ExitStatus.DiagnosticsPresent_OutputsGenerated;
- }
- return ts.ExitStatus.Success;
- }
- ts.emitFilesAndReportErrorsAndGetExitStatus = emitFilesAndReportErrorsAndGetExitStatus;
- ts.noopFileWatcher = { close: ts.noop };
- function createWatchHost(system, reportWatchStatus) {
- if (system === void 0) { system = ts.sys; }
- var onWatchStatusChange = reportWatchStatus || createWatchStatusReporter(system);
- return {
- onWatchStatusChange: onWatchStatusChange,
- watchFile: ts.maybeBind(system, system.watchFile) || (function () { return ts.noopFileWatcher; }),
- watchDirectory: ts.maybeBind(system, system.watchDirectory) || (function () { return ts.noopFileWatcher; }),
- setTimeout: ts.maybeBind(system, system.setTimeout) || ts.noop,
- clearTimeout: ts.maybeBind(system, system.clearTimeout) || ts.noop
- };
- }
- ts.createWatchHost = createWatchHost;
- ts.WatchType = {
- ConfigFile: "Config file",
- SourceFile: "Source file",
- MissingFile: "Missing file",
- WildcardDirectory: "Wild card directory",
- FailedLookupLocations: "Failed Lookup Locations",
- TypeRoots: "Type roots"
- };
- function createWatchFactory(host, options) {
- var watchLogLevel = host.trace ? options.extendedDiagnostics ? ts.WatchLogLevel.Verbose : options.diagnostics ? ts.WatchLogLevel.TriggerOnly : ts.WatchLogLevel.None : ts.WatchLogLevel.None;
- var writeLog = watchLogLevel !== ts.WatchLogLevel.None ? (function (s) { return host.trace(s); }) : ts.noop;
- var result = ts.getWatchFactory(watchLogLevel, writeLog);
- result.writeLog = writeLog;
- return result;
- }
- ts.createWatchFactory = createWatchFactory;
- function createCompilerHostFromProgramHost(host, getCompilerOptions, directoryStructureHost) {
- if (directoryStructureHost === void 0) { directoryStructureHost = host; }
- var useCaseSensitiveFileNames = host.useCaseSensitiveFileNames();
- var hostGetNewLine = ts.memoize(function () { return host.getNewLine(); });
- return {
- getSourceFile: function (fileName, languageVersion, onError) {
- var text;
- try {
- ts.performance.mark("beforeIORead");
- text = host.readFile(fileName, getCompilerOptions().charset);
- ts.performance.mark("afterIORead");
- ts.performance.measure("I/O Read", "beforeIORead", "afterIORead");
- }
- catch (e) {
- if (onError) {
- onError(e.message);
- }
- text = "";
- }
- return text !== undefined ? ts.createSourceFile(fileName, text, languageVersion) : undefined;
- },
- getDefaultLibLocation: ts.maybeBind(host, host.getDefaultLibLocation),
- getDefaultLibFileName: function (options) { return host.getDefaultLibFileName(options); },
- writeFile: writeFile,
- getCurrentDirectory: ts.memoize(function () { return host.getCurrentDirectory(); }),
- useCaseSensitiveFileNames: function () { return useCaseSensitiveFileNames; },
- getCanonicalFileName: ts.createGetCanonicalFileName(useCaseSensitiveFileNames),
- getNewLine: function () { return ts.getNewLineCharacter(getCompilerOptions(), hostGetNewLine); },
- fileExists: function (f) { return host.fileExists(f); },
- readFile: function (f) { return host.readFile(f); },
- trace: ts.maybeBind(host, host.trace),
- directoryExists: ts.maybeBind(directoryStructureHost, directoryStructureHost.directoryExists),
- getDirectories: ts.maybeBind(directoryStructureHost, directoryStructureHost.getDirectories),
- realpath: ts.maybeBind(host, host.realpath),
- getEnvironmentVariable: ts.maybeBind(host, host.getEnvironmentVariable) || (function () { return ""; }),
- createHash: ts.maybeBind(host, host.createHash),
- readDirectory: ts.maybeBind(host, host.readDirectory),
- };
- function writeFile(fileName, text, writeByteOrderMark, onError) {
- try {
- ts.performance.mark("beforeIOWrite");
- // NOTE: If patchWriteFileEnsuringDirectory has been called,
- // the host.writeFile will do its own directory creation and
- // the ensureDirectoriesExist call will always be redundant.
- ts.writeFileEnsuringDirectories(fileName, text, writeByteOrderMark, function (path, data, writeByteOrderMark) { return host.writeFile(path, data, writeByteOrderMark); }, function (path) { return host.createDirectory(path); }, function (path) { return host.directoryExists(path); });
- ts.performance.mark("afterIOWrite");
- ts.performance.measure("I/O Write", "beforeIOWrite", "afterIOWrite");
- }
- catch (e) {
- if (onError) {
- onError(e.message);
- }
- }
- }
- }
- ts.createCompilerHostFromProgramHost = createCompilerHostFromProgramHost;
- function setGetSourceFileAsHashVersioned(compilerHost, host) {
- var originalGetSourceFile = compilerHost.getSourceFile;
- var computeHash = host.createHash || ts.generateDjb2Hash;
- compilerHost.getSourceFile = function () {
- var args = [];
- for (var _i = 0; _i < arguments.length; _i++) {
- args[_i] = arguments[_i];
- }
- var result = originalGetSourceFile.call.apply(originalGetSourceFile, __spreadArrays([compilerHost], args));
- if (result) {
- result.version = computeHash.call(host, result.text);
- }
- return result;
- };
- }
- ts.setGetSourceFileAsHashVersioned = setGetSourceFileAsHashVersioned;
- /**
- * Creates the watch compiler host that can be extended with config file or root file names and options host
- */
- function createProgramHost(system, createProgram) {
- var getDefaultLibLocation = ts.memoize(function () { return ts.getDirectoryPath(ts.normalizePath(system.getExecutingFilePath())); });
- return {
- useCaseSensitiveFileNames: function () { return system.useCaseSensitiveFileNames; },
- getNewLine: function () { return system.newLine; },
- getCurrentDirectory: ts.memoize(function () { return system.getCurrentDirectory(); }),
- getDefaultLibLocation: getDefaultLibLocation,
- getDefaultLibFileName: function (options) { return ts.combinePaths(getDefaultLibLocation(), ts.getDefaultLibFileName(options)); },
- fileExists: function (path) { return system.fileExists(path); },
- readFile: function (path, encoding) { return system.readFile(path, encoding); },
- directoryExists: function (path) { return system.directoryExists(path); },
- getDirectories: function (path) { return system.getDirectories(path); },
- readDirectory: function (path, extensions, exclude, include, depth) { return system.readDirectory(path, extensions, exclude, include, depth); },
- realpath: ts.maybeBind(system, system.realpath),
- getEnvironmentVariable: ts.maybeBind(system, system.getEnvironmentVariable),
- trace: function (s) { return system.write(s + system.newLine); },
- createDirectory: function (path) { return system.createDirectory(path); },
- writeFile: function (path, data, writeByteOrderMark) { return system.writeFile(path, data, writeByteOrderMark); },
- createHash: ts.maybeBind(system, system.createHash),
- createProgram: createProgram || ts.createEmitAndSemanticDiagnosticsBuilderProgram
- };
- }
- ts.createProgramHost = createProgramHost;
- /**
- * Creates the watch compiler host that can be extended with config file or root file names and options host
- */
- function createWatchCompilerHost(system, createProgram, reportDiagnostic, reportWatchStatus) {
- if (system === void 0) { system = ts.sys; }
- var writeFileName = function (s) { return system.write(s + system.newLine); };
- var result = createProgramHost(system, createProgram);
- ts.copyProperties(result, createWatchHost(system, reportWatchStatus));
- result.afterProgramCreate = function (builderProgram) {
- var compilerOptions = builderProgram.getCompilerOptions();
- var newLine = ts.getNewLineCharacter(compilerOptions, function () { return system.newLine; });
- emitFilesAndReportErrors(builderProgram, reportDiagnostic, writeFileName, function (errorCount) { return result.onWatchStatusChange(ts.createCompilerDiagnostic(getWatchErrorSummaryDiagnosticMessage(errorCount), errorCount), newLine, compilerOptions, errorCount); });
- };
- return result;
- }
- /**
- * Report error and exit
- */
- function reportUnrecoverableDiagnostic(system, reportDiagnostic, diagnostic) {
- reportDiagnostic(diagnostic);
- system.exit(ts.ExitStatus.DiagnosticsPresent_OutputsSkipped);
- }
- /**
- * Creates the watch compiler host from system for config file in watch mode
- */
- function createWatchCompilerHostOfConfigFile(_a) {
- var configFileName = _a.configFileName, optionsToExtend = _a.optionsToExtend, watchOptionsToExtend = _a.watchOptionsToExtend, extraFileExtensions = _a.extraFileExtensions, system = _a.system, createProgram = _a.createProgram, reportDiagnostic = _a.reportDiagnostic, reportWatchStatus = _a.reportWatchStatus;
- var diagnosticReporter = reportDiagnostic || createDiagnosticReporter(system);
- var host = createWatchCompilerHost(system, createProgram, diagnosticReporter, reportWatchStatus);
- host.onUnRecoverableConfigFileDiagnostic = function (diagnostic) { return reportUnrecoverableDiagnostic(system, diagnosticReporter, diagnostic); };
- host.configFileName = configFileName;
- host.optionsToExtend = optionsToExtend;
- host.watchOptionsToExtend = watchOptionsToExtend;
- host.extraFileExtensions = extraFileExtensions;
- return host;
- }
- ts.createWatchCompilerHostOfConfigFile = createWatchCompilerHostOfConfigFile;
- /**
- * Creates the watch compiler host from system for compiling root files and options in watch mode
- */
- function createWatchCompilerHostOfFilesAndCompilerOptions(_a) {
- var rootFiles = _a.rootFiles, options = _a.options, watchOptions = _a.watchOptions, projectReferences = _a.projectReferences, system = _a.system, createProgram = _a.createProgram, reportDiagnostic = _a.reportDiagnostic, reportWatchStatus = _a.reportWatchStatus;
- var host = createWatchCompilerHost(system, createProgram, reportDiagnostic || createDiagnosticReporter(system), reportWatchStatus);
- host.rootFiles = rootFiles;
- host.options = options;
- host.watchOptions = watchOptions;
- host.projectReferences = projectReferences;
- return host;
- }
- ts.createWatchCompilerHostOfFilesAndCompilerOptions = createWatchCompilerHostOfFilesAndCompilerOptions;
- function performIncrementalCompilation(input) {
- var system = input.system || ts.sys;
- var host = input.host || (input.host = ts.createIncrementalCompilerHost(input.options, system));
- var builderProgram = ts.createIncrementalProgram(input);
- var exitStatus = emitFilesAndReportErrorsAndGetExitStatus(builderProgram, input.reportDiagnostic || createDiagnosticReporter(system), function (s) { return host.trace && host.trace(s); }, input.reportErrorSummary || input.options.pretty ? function (errorCount) { return system.write(getErrorSummaryText(errorCount, system.newLine)); } : undefined);
- if (input.afterProgramEmitAndDiagnostics)
- input.afterProgramEmitAndDiagnostics(builderProgram);
- return exitStatus;
- }
- ts.performIncrementalCompilation = performIncrementalCompilation;
-})(ts || (ts = {}));
-var ts;
-(function (ts) {
- function readBuilderProgram(compilerOptions, host) {
- if (compilerOptions.out || compilerOptions.outFile)
- return undefined;
- var buildInfoPath = ts.getTsBuildInfoEmitOutputFilePath(compilerOptions);
- if (!buildInfoPath)
- return undefined;
- var content = host.readFile(buildInfoPath);
- if (!content)
- return undefined;
- var buildInfo = ts.getBuildInfo(content);
- if (buildInfo.version !== ts.version)
- return undefined;
- if (!buildInfo.program)
- return undefined;
- return ts.createBuildProgramUsingProgramBuildInfo(buildInfo.program, buildInfoPath, host);
- }
- ts.readBuilderProgram = readBuilderProgram;
- function createIncrementalCompilerHost(options, system) {
- if (system === void 0) { system = ts.sys; }
- var host = ts.createCompilerHostWorker(options, /*setParentNodes*/ undefined, system);
- host.createHash = ts.maybeBind(system, system.createHash);
- ts.setGetSourceFileAsHashVersioned(host, system);
- ts.changeCompilerHostLikeToUseCache(host, function (fileName) { return ts.toPath(fileName, host.getCurrentDirectory(), host.getCanonicalFileName); });
- return host;
- }
- ts.createIncrementalCompilerHost = createIncrementalCompilerHost;
- function createIncrementalProgram(_a) {
- var rootNames = _a.rootNames, options = _a.options, configFileParsingDiagnostics = _a.configFileParsingDiagnostics, projectReferences = _a.projectReferences, host = _a.host, createProgram = _a.createProgram;
- host = host || createIncrementalCompilerHost(options);
- createProgram = createProgram || ts.createEmitAndSemanticDiagnosticsBuilderProgram;
- var oldProgram = readBuilderProgram(options, host);
- return createProgram(rootNames, options, host, oldProgram, configFileParsingDiagnostics, projectReferences);
- }
- ts.createIncrementalProgram = createIncrementalProgram;
- function createWatchCompilerHost(rootFilesOrConfigFileName, options, system, createProgram, reportDiagnostic, reportWatchStatus, projectReferencesOrWatchOptionsToExtend, watchOptionsOrExtraFileExtensions) {
- if (ts.isArray(rootFilesOrConfigFileName)) {
- return ts.createWatchCompilerHostOfFilesAndCompilerOptions({
- rootFiles: rootFilesOrConfigFileName,
- options: options,
- watchOptions: watchOptionsOrExtraFileExtensions,
- projectReferences: projectReferencesOrWatchOptionsToExtend,
- system: system,
- createProgram: createProgram,
- reportDiagnostic: reportDiagnostic,
- reportWatchStatus: reportWatchStatus,
- });
- }
- else {
- return ts.createWatchCompilerHostOfConfigFile({
- configFileName: rootFilesOrConfigFileName,
- optionsToExtend: options,
- watchOptionsToExtend: projectReferencesOrWatchOptionsToExtend,
- extraFileExtensions: watchOptionsOrExtraFileExtensions,
- system: system,
- createProgram: createProgram,
- reportDiagnostic: reportDiagnostic,
- reportWatchStatus: reportWatchStatus,
- });
- }
- }
- ts.createWatchCompilerHost = createWatchCompilerHost;
- function createWatchProgram(host) {
- var builderProgram;
- var reloadLevel; // level to indicate if the program needs to be reloaded from config file/just filenames etc
- var missingFilesMap; // Map of file watchers for the missing files
- var watchedWildcardDirectories; // map of watchers for the wild card directories in the config file
- var timerToUpdateProgram; // timer callback to recompile the program
- var sourceFilesCache = ts.createMap(); // Cache that stores the source file and version info
- var missingFilePathsRequestedForRelease; // These paths are held temparirly so that we can remove the entry from source file cache if the file is not tracked by missing files
- var hasChangedCompilerOptions = false; // True if the compiler options have changed between compilations
- var hasChangedAutomaticTypeDirectiveNames = false; // True if the automatic type directives have changed
- var useCaseSensitiveFileNames = host.useCaseSensitiveFileNames();
- var currentDirectory = host.getCurrentDirectory();
- var configFileName = host.configFileName, _a = host.optionsToExtend, optionsToExtendForConfigFile = _a === void 0 ? {} : _a, watchOptionsToExtend = host.watchOptionsToExtend, extraFileExtensions = host.extraFileExtensions, createProgram = host.createProgram;
- var rootFileNames = host.rootFiles, compilerOptions = host.options, watchOptions = host.watchOptions, projectReferences = host.projectReferences;
- var configFileSpecs;
- var configFileParsingDiagnostics;
- var canConfigFileJsonReportNoInputFiles = false;
- var hasChangedConfigFileParsingErrors = false;
- var cachedDirectoryStructureHost = configFileName === undefined ? undefined : ts.createCachedDirectoryStructureHost(host, currentDirectory, useCaseSensitiveFileNames);
- var directoryStructureHost = cachedDirectoryStructureHost || host;
- var parseConfigFileHost = ts.parseConfigHostFromCompilerHostLike(host, directoryStructureHost);
- // From tsc we want to get already parsed result and hence check for rootFileNames
- var newLine = updateNewLine();
- if (configFileName && host.configFileParsingResult) {
- setConfigFileParsingResult(host.configFileParsingResult);
- newLine = updateNewLine();
- }
- reportWatchDiagnostic(ts.Diagnostics.Starting_compilation_in_watch_mode);
- if (configFileName && !host.configFileParsingResult) {
- newLine = ts.getNewLineCharacter(optionsToExtendForConfigFile, function () { return host.getNewLine(); });
- ts.Debug.assert(!rootFileNames);
- parseConfigFile();
- newLine = updateNewLine();
- }
- var _b = ts.createWatchFactory(host, compilerOptions), watchFile = _b.watchFile, watchFilePath = _b.watchFilePath, watchDirectory = _b.watchDirectory, writeLog = _b.writeLog;
- var getCanonicalFileName = ts.createGetCanonicalFileName(useCaseSensitiveFileNames);
- writeLog("Current directory: " + currentDirectory + " CaseSensitiveFileNames: " + useCaseSensitiveFileNames);
- var configFileWatcher;
- if (configFileName) {
- configFileWatcher = watchFile(host, configFileName, scheduleProgramReload, ts.PollingInterval.High, watchOptions, ts.WatchType.ConfigFile);
- }
- var compilerHost = ts.createCompilerHostFromProgramHost(host, function () { return compilerOptions; }, directoryStructureHost);
- ts.setGetSourceFileAsHashVersioned(compilerHost, host);
- // Members for CompilerHost
- var getNewSourceFile = compilerHost.getSourceFile;
- compilerHost.getSourceFile = function (fileName) {
- var args = [];
- for (var _i = 1; _i < arguments.length; _i++) {
- args[_i - 1] = arguments[_i];
- }
- return getVersionedSourceFileByPath.apply(void 0, __spreadArrays([fileName, toPath(fileName)], args));
- };
- compilerHost.getSourceFileByPath = getVersionedSourceFileByPath;
- compilerHost.getNewLine = function () { return newLine; };
- compilerHost.fileExists = fileExists;
- compilerHost.onReleaseOldSourceFile = onReleaseOldSourceFile;
- // Members for ResolutionCacheHost
- compilerHost.toPath = toPath;
- compilerHost.getCompilationSettings = function () { return compilerOptions; };
- compilerHost.useSourceOfProjectReferenceRedirect = ts.maybeBind(host, host.useSourceOfProjectReferenceRedirect);
- compilerHost.watchDirectoryOfFailedLookupLocation = function (dir, cb, flags) { return watchDirectory(host, dir, cb, flags, watchOptions, ts.WatchType.FailedLookupLocations); };
- compilerHost.watchTypeRootsDirectory = function (dir, cb, flags) { return watchDirectory(host, dir, cb, flags, watchOptions, ts.WatchType.TypeRoots); };
- compilerHost.getCachedDirectoryStructureHost = function () { return cachedDirectoryStructureHost; };
- compilerHost.onInvalidatedResolution = scheduleProgramUpdate;
- compilerHost.onChangedAutomaticTypeDirectiveNames = function () {
- hasChangedAutomaticTypeDirectiveNames = true;
- scheduleProgramUpdate();
- };
- compilerHost.fileIsOpen = ts.returnFalse;
- compilerHost.getCurrentProgram = getCurrentProgram;
- compilerHost.writeLog = writeLog;
- // Cache for the module resolution
- var resolutionCache = ts.createResolutionCache(compilerHost, configFileName ?
- ts.getDirectoryPath(ts.getNormalizedAbsolutePath(configFileName, currentDirectory)) :
- currentDirectory,
- /*logChangesWhenResolvingModule*/ false);
- // Resolve module using host module resolution strategy if provided otherwise use resolution cache to resolve module names
- compilerHost.resolveModuleNames = host.resolveModuleNames ?
- (function () {
- var args = [];
- for (var _i = 0; _i < arguments.length; _i++) {
- args[_i] = arguments[_i];
- }
- return host.resolveModuleNames.apply(host, args);
- }) :
- (function (moduleNames, containingFile, reusedNames, redirectedReference) { return resolutionCache.resolveModuleNames(moduleNames, containingFile, reusedNames, redirectedReference); });
- compilerHost.resolveTypeReferenceDirectives = host.resolveTypeReferenceDirectives ?
- (function () {
- var args = [];
- for (var _i = 0; _i < arguments.length; _i++) {
- args[_i] = arguments[_i];
- }
- return host.resolveTypeReferenceDirectives.apply(host, args);
- }) :
- (function (typeDirectiveNames, containingFile, redirectedReference) { return resolutionCache.resolveTypeReferenceDirectives(typeDirectiveNames, containingFile, redirectedReference); });
- var userProvidedResolution = !!host.resolveModuleNames || !!host.resolveTypeReferenceDirectives;
- builderProgram = readBuilderProgram(compilerOptions, compilerHost);
- synchronizeProgram();
- // Update the wild card directory watch
- watchConfigFileWildCardDirectories();
- return configFileName ?
- { getCurrentProgram: getCurrentBuilderProgram, getProgram: updateProgram, close: close } :
- { getCurrentProgram: getCurrentBuilderProgram, getProgram: updateProgram, updateRootFileNames: updateRootFileNames, close: close };
- function close() {
- resolutionCache.clear();
- ts.clearMap(sourceFilesCache, function (value) {
- if (value && value.fileWatcher) {
- value.fileWatcher.close();
- value.fileWatcher = undefined;
- }
- });
- if (configFileWatcher) {
- configFileWatcher.close();
- configFileWatcher = undefined;
- }
- if (watchedWildcardDirectories) {
- ts.clearMap(watchedWildcardDirectories, ts.closeFileWatcherOf);
- watchedWildcardDirectories = undefined;
- }
- if (missingFilesMap) {
- ts.clearMap(missingFilesMap, ts.closeFileWatcher);
- missingFilesMap = undefined;
- }
- }
- function getCurrentBuilderProgram() {
- return builderProgram;
- }
- function getCurrentProgram() {
- return builderProgram && builderProgram.getProgramOrUndefined();
- }
- function synchronizeProgram() {
- writeLog("Synchronizing program");
- var program = getCurrentBuilderProgram();
- if (hasChangedCompilerOptions) {
- newLine = updateNewLine();
- if (program && ts.changesAffectModuleResolution(program.getCompilerOptions(), compilerOptions)) {
- resolutionCache.clear();
- }
- }
- // All resolutions are invalid if user provided resolutions
- var hasInvalidatedResolution = resolutionCache.createHasInvalidatedResolution(userProvidedResolution);
- if (ts.isProgramUptoDate(getCurrentProgram(), rootFileNames, compilerOptions, getSourceVersion, fileExists, hasInvalidatedResolution, hasChangedAutomaticTypeDirectiveNames, projectReferences)) {
- if (hasChangedConfigFileParsingErrors) {
- builderProgram = createProgram(/*rootNames*/ undefined, /*options*/ undefined, compilerHost, builderProgram, configFileParsingDiagnostics, projectReferences);
- hasChangedConfigFileParsingErrors = false;
- }
- }
- else {
- createNewProgram(hasInvalidatedResolution);
- }
- if (host.afterProgramCreate && program !== builderProgram) {
- host.afterProgramCreate(builderProgram);
- }
- return builderProgram;
- }
- function createNewProgram(hasInvalidatedResolution) {
- // Compile the program
- writeLog("CreatingProgramWith::");
- writeLog(" roots: " + JSON.stringify(rootFileNames));
- writeLog(" options: " + JSON.stringify(compilerOptions));
- var needsUpdateInTypeRootWatch = hasChangedCompilerOptions || !getCurrentProgram();
- hasChangedCompilerOptions = false;
- hasChangedConfigFileParsingErrors = false;
- resolutionCache.startCachingPerDirectoryResolution();
- compilerHost.hasInvalidatedResolution = hasInvalidatedResolution;
- compilerHost.hasChangedAutomaticTypeDirectiveNames = hasChangedAutomaticTypeDirectiveNames;
- hasChangedAutomaticTypeDirectiveNames = false;
- builderProgram = createProgram(rootFileNames, compilerOptions, compilerHost, builderProgram, configFileParsingDiagnostics, projectReferences);
- resolutionCache.finishCachingPerDirectoryResolution();
- // Update watches
- ts.updateMissingFilePathsWatch(builderProgram.getProgram(), missingFilesMap || (missingFilesMap = ts.createMap()), watchMissingFilePath);
- if (needsUpdateInTypeRootWatch) {
- resolutionCache.updateTypeRootsWatch();
- }
- if (missingFilePathsRequestedForRelease) {
- // These are the paths that program creater told us as not in use any more but were missing on the disk.
- // We didnt remove the entry for them from sourceFiles cache so that we dont have to do File IO,
- // if there is already watcher for it (for missing files)
- // At this point our watches were updated, hence now we know that these paths are not tracked and need to be removed
- // so that at later time we have correct result of their presence
- for (var _i = 0, missingFilePathsRequestedForRelease_1 = missingFilePathsRequestedForRelease; _i < missingFilePathsRequestedForRelease_1.length; _i++) {
- var missingFilePath = missingFilePathsRequestedForRelease_1[_i];
- if (!missingFilesMap.has(missingFilePath)) {
- sourceFilesCache.delete(missingFilePath);
- }
- }
- missingFilePathsRequestedForRelease = undefined;
- }
- }
- function updateRootFileNames(files) {
- ts.Debug.assert(!configFileName, "Cannot update root file names with config file watch mode");
- rootFileNames = files;
- scheduleProgramUpdate();
- }
- function updateNewLine() {
- return ts.getNewLineCharacter(compilerOptions || optionsToExtendForConfigFile, function () { return host.getNewLine(); });
- }
- function toPath(fileName) {
- return ts.toPath(fileName, currentDirectory, getCanonicalFileName);
- }
- function isFileMissingOnHost(hostSourceFile) {
- return typeof hostSourceFile === "boolean";
- }
- function isFilePresenceUnknownOnHost(hostSourceFile) {
- return typeof hostSourceFile.version === "boolean";
- }
- function fileExists(fileName) {
- var path = toPath(fileName);
- // If file is missing on host from cache, we can definitely say file doesnt exist
- // otherwise we need to ensure from the disk
- if (isFileMissingOnHost(sourceFilesCache.get(path))) {
- return false;
- }
- return directoryStructureHost.fileExists(fileName);
- }
- function getVersionedSourceFileByPath(fileName, path, languageVersion, onError, shouldCreateNewSourceFile) {
- var hostSourceFile = sourceFilesCache.get(path);
- // No source file on the host
- if (isFileMissingOnHost(hostSourceFile)) {
- return undefined;
- }
- // Create new source file if requested or the versions dont match
- if (hostSourceFile === undefined || shouldCreateNewSourceFile || isFilePresenceUnknownOnHost(hostSourceFile)) {
- var sourceFile = getNewSourceFile(fileName, languageVersion, onError);
- if (hostSourceFile) {
- if (sourceFile) {
- // Set the source file and create file watcher now that file was present on the disk
- hostSourceFile.sourceFile = sourceFile;
- hostSourceFile.version = sourceFile.version;
- if (!hostSourceFile.fileWatcher) {
- hostSourceFile.fileWatcher = watchFilePath(host, fileName, onSourceFileChange, ts.PollingInterval.Low, watchOptions, path, ts.WatchType.SourceFile);
- }
- }
- else {
- // There is no source file on host any more, close the watch, missing file paths will track it
- if (hostSourceFile.fileWatcher) {
- hostSourceFile.fileWatcher.close();
- }
- sourceFilesCache.set(path, false);
- }
- }
- else {
- if (sourceFile) {
- var fileWatcher = watchFilePath(host, fileName, onSourceFileChange, ts.PollingInterval.Low, watchOptions, path, ts.WatchType.SourceFile);
- sourceFilesCache.set(path, { sourceFile: sourceFile, version: sourceFile.version, fileWatcher: fileWatcher });
- }
- else {
- sourceFilesCache.set(path, false);
- }
- }
- return sourceFile;
- }
- return hostSourceFile.sourceFile;
- }
- function nextSourceFileVersion(path) {
- var hostSourceFile = sourceFilesCache.get(path);
- if (hostSourceFile !== undefined) {
- if (isFileMissingOnHost(hostSourceFile)) {
- // The next version, lets set it as presence unknown file
- sourceFilesCache.set(path, { version: false });
- }
- else {
- hostSourceFile.version = false;
- }
- }
- }
- function getSourceVersion(path) {
- var hostSourceFile = sourceFilesCache.get(path);
- return !hostSourceFile || !hostSourceFile.version ? undefined : hostSourceFile.version;
- }
- function onReleaseOldSourceFile(oldSourceFile, _oldOptions, hasSourceFileByPath) {
- var hostSourceFileInfo = sourceFilesCache.get(oldSourceFile.resolvedPath);
- // If this is the source file thats in the cache and new program doesnt need it,
- // remove the cached entry.
- // Note we arent deleting entry if file became missing in new program or
- // there was version update and new source file was created.
- if (hostSourceFileInfo !== undefined) {
- // record the missing file paths so they can be removed later if watchers arent tracking them
- if (isFileMissingOnHost(hostSourceFileInfo)) {
- (missingFilePathsRequestedForRelease || (missingFilePathsRequestedForRelease = [])).push(oldSourceFile.path);
- }
- else if (hostSourceFileInfo.sourceFile === oldSourceFile) {
- if (hostSourceFileInfo.fileWatcher) {
- hostSourceFileInfo.fileWatcher.close();
- }
- sourceFilesCache.delete(oldSourceFile.resolvedPath);
- if (!hasSourceFileByPath) {
- resolutionCache.removeResolutionsOfFile(oldSourceFile.path);
- }
- }
- }
- }
- function reportWatchDiagnostic(message) {
- if (host.onWatchStatusChange) {
- host.onWatchStatusChange(ts.createCompilerDiagnostic(message), newLine, compilerOptions || optionsToExtendForConfigFile);
- }
- }
- // Upon detecting a file change, wait for 250ms and then perform a recompilation. This gives batch
- // operations (such as saving all modified files in an editor) a chance to complete before we kick
- // off a new compilation.
- function scheduleProgramUpdate() {
- if (!host.setTimeout || !host.clearTimeout) {
- return;
- }
- if (timerToUpdateProgram) {
- host.clearTimeout(timerToUpdateProgram);
- }
- writeLog("Scheduling update");
- timerToUpdateProgram = host.setTimeout(updateProgramWithWatchStatus, 250);
- }
- function scheduleProgramReload() {
- ts.Debug.assert(!!configFileName);
- reloadLevel = ts.ConfigFileProgramReloadLevel.Full;
- scheduleProgramUpdate();
- }
- function updateProgramWithWatchStatus() {
- timerToUpdateProgram = undefined;
- reportWatchDiagnostic(ts.Diagnostics.File_change_detected_Starting_incremental_compilation);
- updateProgram();
- }
- function updateProgram() {
- switch (reloadLevel) {
- case ts.ConfigFileProgramReloadLevel.Partial:
- ts.perfLogger.logStartUpdateProgram("PartialConfigReload");
- reloadFileNamesFromConfigFile();
- break;
- case ts.ConfigFileProgramReloadLevel.Full:
- ts.perfLogger.logStartUpdateProgram("FullConfigReload");
- reloadConfigFile();
- break;
- default:
- ts.perfLogger.logStartUpdateProgram("SynchronizeProgram");
- synchronizeProgram();
- break;
- }
- ts.perfLogger.logStopUpdateProgram("Done");
- return getCurrentBuilderProgram();
- }
- function reloadFileNamesFromConfigFile() {
- writeLog("Reloading new file names and options");
- var result = ts.getFileNamesFromConfigSpecs(configFileSpecs, ts.getNormalizedAbsolutePath(ts.getDirectoryPath(configFileName), currentDirectory), compilerOptions, parseConfigFileHost);
- if (ts.updateErrorForNoInputFiles(result, ts.getNormalizedAbsolutePath(configFileName, currentDirectory), configFileSpecs, configFileParsingDiagnostics, canConfigFileJsonReportNoInputFiles)) {
- hasChangedConfigFileParsingErrors = true;
- }
- rootFileNames = result.fileNames;
- // Update the program
- synchronizeProgram();
- }
- function reloadConfigFile() {
- writeLog("Reloading config file: " + configFileName);
- reloadLevel = ts.ConfigFileProgramReloadLevel.None;
- if (cachedDirectoryStructureHost) {
- cachedDirectoryStructureHost.clearCache();
- }
- parseConfigFile();
- hasChangedCompilerOptions = true;
- synchronizeProgram();
- // Update the wild card directory watch
- watchConfigFileWildCardDirectories();
- }
- function parseConfigFile() {
- setConfigFileParsingResult(ts.getParsedCommandLineOfConfigFile(configFileName, optionsToExtendForConfigFile, parseConfigFileHost, /*extendedConfigCache*/ undefined, watchOptionsToExtend, extraFileExtensions)); // TODO: GH#18217
- }
- function setConfigFileParsingResult(configFileParseResult) {
- rootFileNames = configFileParseResult.fileNames;
- compilerOptions = configFileParseResult.options;
- watchOptions = configFileParseResult.watchOptions;
- configFileSpecs = configFileParseResult.configFileSpecs; // TODO: GH#18217
- projectReferences = configFileParseResult.projectReferences;
- configFileParsingDiagnostics = ts.getConfigFileParsingDiagnostics(configFileParseResult).slice();
- canConfigFileJsonReportNoInputFiles = ts.canJsonReportNoInutFiles(configFileParseResult.raw);
- hasChangedConfigFileParsingErrors = true;
- }
- function onSourceFileChange(fileName, eventKind, path) {
- updateCachedSystemWithFile(fileName, path, eventKind);
- // Update the source file cache
- if (eventKind === ts.FileWatcherEventKind.Deleted && sourceFilesCache.has(path)) {
- resolutionCache.invalidateResolutionOfFile(path);
- }
- resolutionCache.removeResolutionsFromProjectReferenceRedirects(path);
- nextSourceFileVersion(path);
- // Update the program
- scheduleProgramUpdate();
- }
- function updateCachedSystemWithFile(fileName, path, eventKind) {
- if (cachedDirectoryStructureHost) {
- cachedDirectoryStructureHost.addOrDeleteFile(fileName, path, eventKind);
- }
- }
- function watchMissingFilePath(missingFilePath) {
- return watchFilePath(host, missingFilePath, onMissingFileChange, ts.PollingInterval.Medium, watchOptions, missingFilePath, ts.WatchType.MissingFile);
- }
- function onMissingFileChange(fileName, eventKind, missingFilePath) {
- updateCachedSystemWithFile(fileName, missingFilePath, eventKind);
- if (eventKind === ts.FileWatcherEventKind.Created && missingFilesMap.has(missingFilePath)) {
- missingFilesMap.get(missingFilePath).close();
- missingFilesMap.delete(missingFilePath);
- // Delete the entry in the source files cache so that new source file is created
- nextSourceFileVersion(missingFilePath);
- // When a missing file is created, we should update the graph.
- scheduleProgramUpdate();
- }
- }
- function watchConfigFileWildCardDirectories() {
- if (configFileSpecs) {
- ts.updateWatchingWildcardDirectories(watchedWildcardDirectories || (watchedWildcardDirectories = ts.createMap()), ts.createMapFromTemplate(configFileSpecs.wildcardDirectories), watchWildcardDirectory);
- }
- else if (watchedWildcardDirectories) {
- ts.clearMap(watchedWildcardDirectories, ts.closeFileWatcherOf);
- }
- }
- function watchWildcardDirectory(directory, flags) {
- return watchDirectory(host, directory, function (fileOrDirectory) {
- ts.Debug.assert(!!configFileName);
- var fileOrDirectoryPath = toPath(fileOrDirectory);
- // Since the file existence changed, update the sourceFiles cache
- if (cachedDirectoryStructureHost) {
- cachedDirectoryStructureHost.addOrDeleteFileOrDirectory(fileOrDirectory, fileOrDirectoryPath);
- }
- nextSourceFileVersion(fileOrDirectoryPath);
- fileOrDirectoryPath = ts.removeIgnoredPath(fileOrDirectoryPath);
- if (!fileOrDirectoryPath)
- return;
- // If the the added or created file or directory is not supported file name, ignore the file
- // But when watched directory is added/removed, we need to reload the file list
- if (fileOrDirectoryPath !== directory && ts.hasExtension(fileOrDirectoryPath) && !ts.isSupportedSourceFileName(fileOrDirectory, compilerOptions)) {
- writeLog("Project: " + configFileName + " Detected file add/remove of non supported extension: " + fileOrDirectory);
- return;
- }
- // Reload is pending, do the reload
- if (reloadLevel !== ts.ConfigFileProgramReloadLevel.Full) {
- reloadLevel = ts.ConfigFileProgramReloadLevel.Partial;
- // Schedule Update the program
- scheduleProgramUpdate();
- }
- }, flags, watchOptions, ts.WatchType.WildcardDirectory);
- }
- }
- ts.createWatchProgram = createWatchProgram;
-})(ts || (ts = {}));
-/*@internal*/
-var ts;
-(function (ts) {
- var UpToDateStatusType;
- (function (UpToDateStatusType) {
- UpToDateStatusType[UpToDateStatusType["Unbuildable"] = 0] = "Unbuildable";
- UpToDateStatusType[UpToDateStatusType["UpToDate"] = 1] = "UpToDate";
- /**
- * The project appears out of date because its upstream inputs are newer than its outputs,
- * but all of its outputs are actually newer than the previous identical outputs of its (.d.ts) inputs.
- * This means we can Pseudo-build (just touch timestamps), as if we had actually built this project.
- */
- UpToDateStatusType[UpToDateStatusType["UpToDateWithUpstreamTypes"] = 2] = "UpToDateWithUpstreamTypes";
- /**
- * The project appears out of date because its upstream inputs are newer than its outputs,
- * but all of its outputs are actually newer than the previous identical outputs of its (.d.ts) inputs.
- * This means we can Pseudo-build (just manipulate outputs), as if we had actually built this project.
- */
- UpToDateStatusType[UpToDateStatusType["OutOfDateWithPrepend"] = 3] = "OutOfDateWithPrepend";
- UpToDateStatusType[UpToDateStatusType["OutputMissing"] = 4] = "OutputMissing";
- UpToDateStatusType[UpToDateStatusType["OutOfDateWithSelf"] = 5] = "OutOfDateWithSelf";
- UpToDateStatusType[UpToDateStatusType["OutOfDateWithUpstream"] = 6] = "OutOfDateWithUpstream";
- UpToDateStatusType[UpToDateStatusType["UpstreamOutOfDate"] = 7] = "UpstreamOutOfDate";
- UpToDateStatusType[UpToDateStatusType["UpstreamBlocked"] = 8] = "UpstreamBlocked";
- UpToDateStatusType[UpToDateStatusType["ComputingUpstream"] = 9] = "ComputingUpstream";
- UpToDateStatusType[UpToDateStatusType["TsVersionOutputOfDate"] = 10] = "TsVersionOutputOfDate";
- /**
- * Projects with no outputs (i.e. "solution" files)
- */
- UpToDateStatusType[UpToDateStatusType["ContainerOnly"] = 11] = "ContainerOnly";
- })(UpToDateStatusType = ts.UpToDateStatusType || (ts.UpToDateStatusType = {}));
- function resolveConfigFileProjectName(project) {
- if (ts.fileExtensionIs(project, ".json" /* Json */)) {
- return project;
- }
- return ts.combinePaths(project, "tsconfig.json");
- }
- ts.resolveConfigFileProjectName = resolveConfigFileProjectName;
-})(ts || (ts = {}));
-var ts;
-(function (ts) {
- var minimumDate = new Date(-8640000000000000);
- var maximumDate = new Date(8640000000000000);
- var BuildResultFlags;
- (function (BuildResultFlags) {
- BuildResultFlags[BuildResultFlags["None"] = 0] = "None";
- /**
- * No errors of any kind occurred during build
- */
- BuildResultFlags[BuildResultFlags["Success"] = 1] = "Success";
- /**
- * None of the .d.ts files emitted by this build were
- * different from the existing files on disk
- */
- BuildResultFlags[BuildResultFlags["DeclarationOutputUnchanged"] = 2] = "DeclarationOutputUnchanged";
- BuildResultFlags[BuildResultFlags["ConfigFileErrors"] = 4] = "ConfigFileErrors";
- BuildResultFlags[BuildResultFlags["SyntaxErrors"] = 8] = "SyntaxErrors";
- BuildResultFlags[BuildResultFlags["TypeErrors"] = 16] = "TypeErrors";
- BuildResultFlags[BuildResultFlags["DeclarationEmitErrors"] = 32] = "DeclarationEmitErrors";
- BuildResultFlags[BuildResultFlags["EmitErrors"] = 64] = "EmitErrors";
- BuildResultFlags[BuildResultFlags["AnyErrors"] = 124] = "AnyErrors";
- })(BuildResultFlags || (BuildResultFlags = {}));
- function createConfigFileMap() {
- return ts.createMap();
- }
- function getOrCreateValueFromConfigFileMap(configFileMap, resolved, createT) {
- var existingValue = configFileMap.get(resolved);
- var newValue;
- if (!existingValue) {
- newValue = createT();
- configFileMap.set(resolved, newValue);
- }
- return existingValue || newValue;
- }
- function getOrCreateValueMapFromConfigFileMap(configFileMap, resolved) {
- return getOrCreateValueFromConfigFileMap(configFileMap, resolved, ts.createMap);
- }
- function newer(date1, date2) {
- return date2 > date1 ? date2 : date1;
- }
- function isDeclarationFile(fileName) {
- return ts.fileExtensionIs(fileName, ".d.ts" /* Dts */);
- }
- /*@internal*/
- function isCircularBuildOrder(buildOrder) {
- return !!buildOrder && !!buildOrder.buildOrder;
- }
- ts.isCircularBuildOrder = isCircularBuildOrder;
- /*@internal*/
- function getBuildOrderFromAnyBuildOrder(anyBuildOrder) {
- return isCircularBuildOrder(anyBuildOrder) ? anyBuildOrder.buildOrder : anyBuildOrder;
- }
- ts.getBuildOrderFromAnyBuildOrder = getBuildOrderFromAnyBuildOrder;
- /**
- * Create a function that reports watch status by writing to the system and handles the formating of the diagnostic
- */
- function createBuilderStatusReporter(system, pretty) {
- return function (diagnostic) {
- var output = pretty ? "[" + ts.formatColorAndReset(ts.getLocaleTimeString(system), ts.ForegroundColorEscapeSequences.Grey) + "] " : ts.getLocaleTimeString(system) + " - ";
- output += "" + ts.flattenDiagnosticMessageText(diagnostic.messageText, system.newLine) + (system.newLine + system.newLine);
- system.write(output);
- };
- }
- ts.createBuilderStatusReporter = createBuilderStatusReporter;
- function createSolutionBuilderHostBase(system, createProgram, reportDiagnostic, reportSolutionBuilderStatus) {
- var host = ts.createProgramHost(system, createProgram);
- host.getModifiedTime = system.getModifiedTime ? function (path) { return system.getModifiedTime(path); } : ts.returnUndefined;
- host.setModifiedTime = system.setModifiedTime ? function (path, date) { return system.setModifiedTime(path, date); } : ts.noop;
- host.deleteFile = system.deleteFile ? function (path) { return system.deleteFile(path); } : ts.noop;
- host.reportDiagnostic = reportDiagnostic || ts.createDiagnosticReporter(system);
- host.reportSolutionBuilderStatus = reportSolutionBuilderStatus || createBuilderStatusReporter(system);
- host.now = ts.maybeBind(system, system.now); // For testing
- return host;
- }
- function createSolutionBuilderHost(system, createProgram, reportDiagnostic, reportSolutionBuilderStatus, reportErrorSummary) {
- if (system === void 0) { system = ts.sys; }
- var host = createSolutionBuilderHostBase(system, createProgram, reportDiagnostic, reportSolutionBuilderStatus);
- host.reportErrorSummary = reportErrorSummary;
- return host;
- }
- ts.createSolutionBuilderHost = createSolutionBuilderHost;
- function createSolutionBuilderWithWatchHost(system, createProgram, reportDiagnostic, reportSolutionBuilderStatus, reportWatchStatus) {
- if (system === void 0) { system = ts.sys; }
- var host = createSolutionBuilderHostBase(system, createProgram, reportDiagnostic, reportSolutionBuilderStatus);
- var watchHost = ts.createWatchHost(system, reportWatchStatus);
- ts.copyProperties(host, watchHost);
- return host;
- }
- ts.createSolutionBuilderWithWatchHost = createSolutionBuilderWithWatchHost;
- function getCompilerOptionsOfBuildOptions(buildOptions) {
- var result = {};
- ts.commonOptionsWithBuild.forEach(function (option) {
- if (ts.hasProperty(buildOptions, option.name))
- result[option.name] = buildOptions[option.name];
- });
- return result;
- }
- function createSolutionBuilder(host, rootNames, defaultOptions) {
- return createSolutionBuilderWorker(/*watch*/ false, host, rootNames, defaultOptions);
- }
- ts.createSolutionBuilder = createSolutionBuilder;
- function createSolutionBuilderWithWatch(host, rootNames, defaultOptions, baseWatchOptions) {
- return createSolutionBuilderWorker(/*watch*/ true, host, rootNames, defaultOptions, baseWatchOptions);
- }
- ts.createSolutionBuilderWithWatch = createSolutionBuilderWithWatch;
- function createSolutionBuilderState(watch, hostOrHostWithWatch, rootNames, options, baseWatchOptions) {
- var host = hostOrHostWithWatch;
- var hostWithWatch = hostOrHostWithWatch;
- var currentDirectory = host.getCurrentDirectory();
- var getCanonicalFileName = ts.createGetCanonicalFileName(host.useCaseSensitiveFileNames());
- // State of the solution
- var baseCompilerOptions = getCompilerOptionsOfBuildOptions(options);
- var compilerHost = ts.createCompilerHostFromProgramHost(host, function () { return state.projectCompilerOptions; });
- ts.setGetSourceFileAsHashVersioned(compilerHost, host);
- compilerHost.getParsedCommandLine = function (fileName) { return parseConfigFile(state, fileName, toResolvedConfigFilePath(state, fileName)); };
- compilerHost.resolveModuleNames = ts.maybeBind(host, host.resolveModuleNames);
- compilerHost.resolveTypeReferenceDirectives = ts.maybeBind(host, host.resolveTypeReferenceDirectives);
- var moduleResolutionCache = !compilerHost.resolveModuleNames ? ts.createModuleResolutionCache(currentDirectory, getCanonicalFileName) : undefined;
- if (!compilerHost.resolveModuleNames) {
- var loader_3 = function (moduleName, containingFile, redirectedReference) { return ts.resolveModuleName(moduleName, containingFile, state.projectCompilerOptions, compilerHost, moduleResolutionCache, redirectedReference).resolvedModule; };
- compilerHost.resolveModuleNames = function (moduleNames, containingFile, _reusedNames, redirectedReference) {
- return ts.loadWithLocalCache(ts.Debug.checkEachDefined(moduleNames), containingFile, redirectedReference, loader_3);
- };
- }
- var _a = ts.createWatchFactory(hostWithWatch, options), watchFile = _a.watchFile, watchFilePath = _a.watchFilePath, watchDirectory = _a.watchDirectory, writeLog = _a.writeLog;
- var state = {
- host: host,
- hostWithWatch: hostWithWatch,
- currentDirectory: currentDirectory,
- getCanonicalFileName: getCanonicalFileName,
- parseConfigFileHost: ts.parseConfigHostFromCompilerHostLike(host),
- writeFileName: host.trace ? function (s) { return host.trace(s); } : undefined,
- // State of solution
- options: options,
- baseCompilerOptions: baseCompilerOptions,
- rootNames: rootNames,
- baseWatchOptions: baseWatchOptions,
- resolvedConfigFilePaths: ts.createMap(),
- configFileCache: createConfigFileMap(),
- projectStatus: createConfigFileMap(),
- buildInfoChecked: createConfigFileMap(),
- extendedConfigCache: ts.createMap(),
- builderPrograms: createConfigFileMap(),
- diagnostics: createConfigFileMap(),
- projectPendingBuild: createConfigFileMap(),
- projectErrorsReported: createConfigFileMap(),
- compilerHost: compilerHost,
- moduleResolutionCache: moduleResolutionCache,
- // Mutable state
- buildOrder: undefined,
- readFileWithCache: function (f) { return host.readFile(f); },
- projectCompilerOptions: baseCompilerOptions,
- cache: undefined,
- allProjectBuildPending: true,
- needsSummary: true,
- watchAllProjectsPending: watch,
- currentInvalidatedProject: undefined,
- // Watch state
- watch: watch,
- allWatchedWildcardDirectories: createConfigFileMap(),
- allWatchedInputFiles: createConfigFileMap(),
- allWatchedConfigFiles: createConfigFileMap(),
- timerToBuildInvalidatedProject: undefined,
- reportFileChangeDetected: false,
- watchFile: watchFile,
- watchFilePath: watchFilePath,
- watchDirectory: watchDirectory,
- writeLog: writeLog,
- };
- return state;
- }
- function toPath(state, fileName) {
- return ts.toPath(fileName, state.currentDirectory, state.getCanonicalFileName);
- }
- function toResolvedConfigFilePath(state, fileName) {
- var resolvedConfigFilePaths = state.resolvedConfigFilePaths;
- var path = resolvedConfigFilePaths.get(fileName);
- if (path !== undefined)
- return path;
- var resolvedPath = toPath(state, fileName);
- resolvedConfigFilePaths.set(fileName, resolvedPath);
- return resolvedPath;
- }
- function isParsedCommandLine(entry) {
- return !!entry.options;
- }
- function parseConfigFile(state, configFileName, configFilePath) {
- var configFileCache = state.configFileCache;
- var value = configFileCache.get(configFilePath);
- if (value) {
- return isParsedCommandLine(value) ? value : undefined;
- }
- var diagnostic;
- var parseConfigFileHost = state.parseConfigFileHost, baseCompilerOptions = state.baseCompilerOptions, baseWatchOptions = state.baseWatchOptions, extendedConfigCache = state.extendedConfigCache, host = state.host;
- var parsed;
- if (host.getParsedCommandLine) {
- parsed = host.getParsedCommandLine(configFileName);
- if (!parsed)
- diagnostic = ts.createCompilerDiagnostic(ts.Diagnostics.File_0_not_found, configFileName);
- }
- else {
- parseConfigFileHost.onUnRecoverableConfigFileDiagnostic = function (d) { return diagnostic = d; };
- parsed = ts.getParsedCommandLineOfConfigFile(configFileName, baseCompilerOptions, parseConfigFileHost, extendedConfigCache, baseWatchOptions);
- parseConfigFileHost.onUnRecoverableConfigFileDiagnostic = ts.noop;
- }
- configFileCache.set(configFilePath, parsed || diagnostic);
- return parsed;
- }
- function resolveProjectName(state, name) {
- return ts.resolveConfigFileProjectName(ts.resolvePath(state.currentDirectory, name));
- }
- function createBuildOrder(state, roots) {
- var temporaryMarks = ts.createMap();
- var permanentMarks = ts.createMap();
- var circularityReportStack = [];
- var buildOrder;
- var circularDiagnostics;
- for (var _i = 0, roots_1 = roots; _i < roots_1.length; _i++) {
- var root = roots_1[_i];
- visit(root);
- }
- return circularDiagnostics ?
- { buildOrder: buildOrder || ts.emptyArray, circularDiagnostics: circularDiagnostics } :
- buildOrder || ts.emptyArray;
- function visit(configFileName, inCircularContext) {
- var projPath = toResolvedConfigFilePath(state, configFileName);
- // Already visited
- if (permanentMarks.has(projPath))
- return;
- // Circular
- if (temporaryMarks.has(projPath)) {
- if (!inCircularContext) {
- (circularDiagnostics || (circularDiagnostics = [])).push(ts.createCompilerDiagnostic(ts.Diagnostics.Project_references_may_not_form_a_circular_graph_Cycle_detected_Colon_0, circularityReportStack.join("\r\n")));
- }
- return;
- }
- temporaryMarks.set(projPath, true);
- circularityReportStack.push(configFileName);
- var parsed = parseConfigFile(state, configFileName, projPath);
- if (parsed && parsed.projectReferences) {
- for (var _i = 0, _a = parsed.projectReferences; _i < _a.length; _i++) {
- var ref = _a[_i];
- var resolvedRefPath = resolveProjectName(state, ref.path);
- visit(resolvedRefPath, inCircularContext || ref.circular);
- }
- }
- circularityReportStack.pop();
- permanentMarks.set(projPath, true);
- (buildOrder || (buildOrder = [])).push(configFileName);
- }
- }
- function getBuildOrder(state) {
- return state.buildOrder || createStateBuildOrder(state);
- }
- function createStateBuildOrder(state) {
- var buildOrder = createBuildOrder(state, state.rootNames.map(function (f) { return resolveProjectName(state, f); }));
- // Clear all to ResolvedConfigFilePaths cache to start fresh
- state.resolvedConfigFilePaths.clear();
- var currentProjects = ts.arrayToSet(getBuildOrderFromAnyBuildOrder(buildOrder), function (resolved) { return toResolvedConfigFilePath(state, resolved); });
- var noopOnDelete = { onDeleteValue: ts.noop };
- // Config file cache
- ts.mutateMapSkippingNewValues(state.configFileCache, currentProjects, noopOnDelete);
- ts.mutateMapSkippingNewValues(state.projectStatus, currentProjects, noopOnDelete);
- ts.mutateMapSkippingNewValues(state.buildInfoChecked, currentProjects, noopOnDelete);
- ts.mutateMapSkippingNewValues(state.builderPrograms, currentProjects, noopOnDelete);
- ts.mutateMapSkippingNewValues(state.diagnostics, currentProjects, noopOnDelete);
- ts.mutateMapSkippingNewValues(state.projectPendingBuild, currentProjects, noopOnDelete);
- ts.mutateMapSkippingNewValues(state.projectErrorsReported, currentProjects, noopOnDelete);
- // Remove watches for the program no longer in the solution
- if (state.watch) {
- ts.mutateMapSkippingNewValues(state.allWatchedConfigFiles, currentProjects, { onDeleteValue: ts.closeFileWatcher });
- ts.mutateMapSkippingNewValues(state.allWatchedWildcardDirectories, currentProjects, { onDeleteValue: function (existingMap) { return existingMap.forEach(ts.closeFileWatcherOf); } });
- ts.mutateMapSkippingNewValues(state.allWatchedInputFiles, currentProjects, { onDeleteValue: function (existingMap) { return existingMap.forEach(ts.closeFileWatcher); } });
- }
- return state.buildOrder = buildOrder;
- }
- function getBuildOrderFor(state, project, onlyReferences) {
- var resolvedProject = project && resolveProjectName(state, project);
- var buildOrderFromState = getBuildOrder(state);
- if (isCircularBuildOrder(buildOrderFromState))
- return buildOrderFromState;
- if (resolvedProject) {
- var projectPath_1 = toResolvedConfigFilePath(state, resolvedProject);
- var projectIndex = ts.findIndex(buildOrderFromState, function (configFileName) { return toResolvedConfigFilePath(state, configFileName) === projectPath_1; });
- if (projectIndex === -1)
- return undefined;
- }
- var buildOrder = resolvedProject ? createBuildOrder(state, [resolvedProject]) : buildOrderFromState;
- ts.Debug.assert(!isCircularBuildOrder(buildOrder));
- ts.Debug.assert(!onlyReferences || resolvedProject !== undefined);
- ts.Debug.assert(!onlyReferences || buildOrder[buildOrder.length - 1] === resolvedProject);
- return onlyReferences ? buildOrder.slice(0, buildOrder.length - 1) : buildOrder;
- }
- function enableCache(state) {
- if (state.cache) {
- disableCache(state);
- }
- var compilerHost = state.compilerHost, host = state.host;
- var originalReadFileWithCache = state.readFileWithCache;
- var originalGetSourceFile = compilerHost.getSourceFile;
- var _a = ts.changeCompilerHostLikeToUseCache(host, function (fileName) { return toPath(state, fileName); }, function () {
- var args = [];
- for (var _i = 0; _i < arguments.length; _i++) {
- args[_i] = arguments[_i];
- }
- return originalGetSourceFile.call.apply(originalGetSourceFile, __spreadArrays([compilerHost], args));
- }), originalReadFile = _a.originalReadFile, originalFileExists = _a.originalFileExists, originalDirectoryExists = _a.originalDirectoryExists, originalCreateDirectory = _a.originalCreateDirectory, originalWriteFile = _a.originalWriteFile, getSourceFileWithCache = _a.getSourceFileWithCache, readFileWithCache = _a.readFileWithCache;
- state.readFileWithCache = readFileWithCache;
- compilerHost.getSourceFile = getSourceFileWithCache;
- state.cache = {
- originalReadFile: originalReadFile,
- originalFileExists: originalFileExists,
- originalDirectoryExists: originalDirectoryExists,
- originalCreateDirectory: originalCreateDirectory,
- originalWriteFile: originalWriteFile,
- originalReadFileWithCache: originalReadFileWithCache,
- originalGetSourceFile: originalGetSourceFile,
- };
- }
- function disableCache(state) {
- if (!state.cache)
- return;
- var cache = state.cache, host = state.host, compilerHost = state.compilerHost, extendedConfigCache = state.extendedConfigCache, moduleResolutionCache = state.moduleResolutionCache;
- host.readFile = cache.originalReadFile;
- host.fileExists = cache.originalFileExists;
- host.directoryExists = cache.originalDirectoryExists;
- host.createDirectory = cache.originalCreateDirectory;
- host.writeFile = cache.originalWriteFile;
- compilerHost.getSourceFile = cache.originalGetSourceFile;
- state.readFileWithCache = cache.originalReadFileWithCache;
- extendedConfigCache.clear();
- if (moduleResolutionCache) {
- moduleResolutionCache.directoryToModuleNameMap.clear();
- moduleResolutionCache.moduleNameToDirectoryMap.clear();
- }
- state.cache = undefined;
- }
- function clearProjectStatus(state, resolved) {
- state.projectStatus.delete(resolved);
- state.diagnostics.delete(resolved);
- }
- function addProjToQueue(_a, proj, reloadLevel) {
- var projectPendingBuild = _a.projectPendingBuild;
- var value = projectPendingBuild.get(proj);
- if (value === undefined) {
- projectPendingBuild.set(proj, reloadLevel);
- }
- else if (value < reloadLevel) {
- projectPendingBuild.set(proj, reloadLevel);
- }
- }
- function setupInitialBuild(state, cancellationToken) {
- // Set initial build if not already built
- if (!state.allProjectBuildPending)
- return;
- state.allProjectBuildPending = false;
- if (state.options.watch) {
- reportWatchStatus(state, ts.Diagnostics.Starting_compilation_in_watch_mode);
- }
- enableCache(state);
- var buildOrder = getBuildOrderFromAnyBuildOrder(getBuildOrder(state));
- buildOrder.forEach(function (configFileName) {
- return state.projectPendingBuild.set(toResolvedConfigFilePath(state, configFileName), ts.ConfigFileProgramReloadLevel.None);
- });
- if (cancellationToken) {
- cancellationToken.throwIfCancellationRequested();
- }
- }
- var InvalidatedProjectKind;
- (function (InvalidatedProjectKind) {
- InvalidatedProjectKind[InvalidatedProjectKind["Build"] = 0] = "Build";
- InvalidatedProjectKind[InvalidatedProjectKind["UpdateBundle"] = 1] = "UpdateBundle";
- InvalidatedProjectKind[InvalidatedProjectKind["UpdateOutputFileStamps"] = 2] = "UpdateOutputFileStamps";
- })(InvalidatedProjectKind = ts.InvalidatedProjectKind || (ts.InvalidatedProjectKind = {}));
- function doneInvalidatedProject(state, projectPath) {
- state.projectPendingBuild.delete(projectPath);
- state.currentInvalidatedProject = undefined;
- return state.diagnostics.has(projectPath) ?
- ts.ExitStatus.DiagnosticsPresent_OutputsSkipped :
- ts.ExitStatus.Success;
- }
- function createUpdateOutputFileStampsProject(state, project, projectPath, config, buildOrder) {
- var updateOutputFileStampsPending = true;
- return {
- kind: InvalidatedProjectKind.UpdateOutputFileStamps,
- project: project,
- projectPath: projectPath,
- buildOrder: buildOrder,
- getCompilerOptions: function () { return config.options; },
- getCurrentDirectory: function () { return state.currentDirectory; },
- updateOutputFileStatmps: function () {
- updateOutputTimestamps(state, config, projectPath);
- updateOutputFileStampsPending = false;
- },
- done: function () {
- if (updateOutputFileStampsPending) {
- updateOutputTimestamps(state, config, projectPath);
- }
- return doneInvalidatedProject(state, projectPath);
- }
- };
- }
- function createBuildOrUpdateInvalidedProject(kind, state, project, projectPath, projectIndex, config, buildOrder) {
- var Step;
- (function (Step) {
- Step[Step["CreateProgram"] = 0] = "CreateProgram";
- Step[Step["SyntaxDiagnostics"] = 1] = "SyntaxDiagnostics";
- Step[Step["SemanticDiagnostics"] = 2] = "SemanticDiagnostics";
- Step[Step["Emit"] = 3] = "Emit";
- Step[Step["EmitBundle"] = 4] = "EmitBundle";
- Step[Step["BuildInvalidatedProjectOfBundle"] = 5] = "BuildInvalidatedProjectOfBundle";
- Step[Step["QueueReferencingProjects"] = 6] = "QueueReferencingProjects";
- Step[Step["Done"] = 7] = "Done";
- })(Step || (Step = {}));
- var step = kind === InvalidatedProjectKind.Build ? Step.CreateProgram : Step.EmitBundle;
- var program;
- var buildResult;
- var invalidatedProjectOfBundle;
- return kind === InvalidatedProjectKind.Build ?
- {
- kind: kind,
- project: project,
- projectPath: projectPath,
- buildOrder: buildOrder,
- getCompilerOptions: function () { return config.options; },
- getCurrentDirectory: function () { return state.currentDirectory; },
- getBuilderProgram: function () { return withProgramOrUndefined(ts.identity); },
- getProgram: function () {
- return withProgramOrUndefined(function (program) { return program.getProgramOrUndefined(); });
- },
- getSourceFile: function (fileName) {
- return withProgramOrUndefined(function (program) { return program.getSourceFile(fileName); });
- },
- getSourceFiles: function () {
- return withProgramOrEmptyArray(function (program) { return program.getSourceFiles(); });
- },
- getOptionsDiagnostics: function (cancellationToken) {
- return withProgramOrEmptyArray(function (program) { return program.getOptionsDiagnostics(cancellationToken); });
- },
- getGlobalDiagnostics: function (cancellationToken) {
- return withProgramOrEmptyArray(function (program) { return program.getGlobalDiagnostics(cancellationToken); });
- },
- getConfigFileParsingDiagnostics: function () {
- return withProgramOrEmptyArray(function (program) { return program.getConfigFileParsingDiagnostics(); });
- },
- getSyntacticDiagnostics: function (sourceFile, cancellationToken) {
- return withProgramOrEmptyArray(function (program) { return program.getSyntacticDiagnostics(sourceFile, cancellationToken); });
- },
- getAllDependencies: function (sourceFile) {
- return withProgramOrEmptyArray(function (program) { return program.getAllDependencies(sourceFile); });
- },
- getSemanticDiagnostics: function (sourceFile, cancellationToken) {
- return withProgramOrEmptyArray(function (program) { return program.getSemanticDiagnostics(sourceFile, cancellationToken); });
- },
- getSemanticDiagnosticsOfNextAffectedFile: function (cancellationToken, ignoreSourceFile) {
- return withProgramOrUndefined(function (program) {
- return (program.getSemanticDiagnosticsOfNextAffectedFile) &&
- program.getSemanticDiagnosticsOfNextAffectedFile(cancellationToken, ignoreSourceFile);
- });
- },
- emit: function (targetSourceFile, writeFile, cancellationToken, emitOnlyDtsFiles, customTransformers) {
- if (targetSourceFile || emitOnlyDtsFiles) {
- return withProgramOrUndefined(function (program) { return program.emit(targetSourceFile, writeFile, cancellationToken, emitOnlyDtsFiles, customTransformers); });
- }
- executeSteps(Step.SemanticDiagnostics, cancellationToken);
- if (step !== Step.Emit)
- return undefined;
- return emit(writeFile, cancellationToken, customTransformers);
- },
- done: done
- } :
- {
- kind: kind,
- project: project,
- projectPath: projectPath,
- buildOrder: buildOrder,
- getCompilerOptions: function () { return config.options; },
- getCurrentDirectory: function () { return state.currentDirectory; },
- emit: function (writeFile, customTransformers) {
- if (step !== Step.EmitBundle)
- return invalidatedProjectOfBundle;
- return emitBundle(writeFile, customTransformers);
- },
- done: done,
- };
- function done(cancellationToken, writeFile, customTransformers) {
- executeSteps(Step.Done, cancellationToken, writeFile, customTransformers);
- return doneInvalidatedProject(state, projectPath);
- }
- function withProgramOrUndefined(action) {
- executeSteps(Step.CreateProgram);
- return program && action(program);
- }
- function withProgramOrEmptyArray(action) {
- return withProgramOrUndefined(action) || ts.emptyArray;
- }
- function createProgram() {
- ts.Debug.assert(program === undefined);
- if (state.options.dry) {
- reportStatus(state, ts.Diagnostics.A_non_dry_build_would_build_project_0, project);
- buildResult = BuildResultFlags.Success;
- step = Step.QueueReferencingProjects;
- return;
- }
- if (state.options.verbose)
- reportStatus(state, ts.Diagnostics.Building_project_0, project);
- if (config.fileNames.length === 0) {
- reportAndStoreErrors(state, projectPath, ts.getConfigFileParsingDiagnostics(config));
- // Nothing to build - must be a solution file, basically
- buildResult = BuildResultFlags.None;
- step = Step.QueueReferencingProjects;
- return;
- }
- var host = state.host, compilerHost = state.compilerHost;
- state.projectCompilerOptions = config.options;
- // Update module resolution cache if needed
- updateModuleResolutionCache(state, project, config);
- // Create program
- program = host.createProgram(config.fileNames, config.options, compilerHost, getOldProgram(state, projectPath, config), ts.getConfigFileParsingDiagnostics(config), config.projectReferences);
- step++;
- }
- function handleDiagnostics(diagnostics, errorFlags, errorType) {
- if (diagnostics.length) {
- buildResult = buildErrors(state, projectPath, program, config, diagnostics, errorFlags, errorType);
- step = Step.QueueReferencingProjects;
- }
- else {
- step++;
- }
- }
- function getSyntaxDiagnostics(cancellationToken) {
- ts.Debug.assertIsDefined(program);
- handleDiagnostics(__spreadArrays(program.getConfigFileParsingDiagnostics(), program.getOptionsDiagnostics(cancellationToken), program.getGlobalDiagnostics(cancellationToken), program.getSyntacticDiagnostics(/*sourceFile*/ undefined, cancellationToken)), BuildResultFlags.SyntaxErrors, "Syntactic");
- }
- function getSemanticDiagnostics(cancellationToken) {
- handleDiagnostics(ts.Debug.checkDefined(program).getSemanticDiagnostics(/*sourceFile*/ undefined, cancellationToken), BuildResultFlags.TypeErrors, "Semantic");
- }
- function emit(writeFileCallback, cancellationToken, customTransformers) {
- ts.Debug.assertIsDefined(program);
- ts.Debug.assert(step === Step.Emit);
- // Before emitting lets backup state, so we can revert it back if there are declaration errors to handle emit and declaration errors correctly
- program.backupState();
- var declDiagnostics;
- var reportDeclarationDiagnostics = function (d) { return (declDiagnostics || (declDiagnostics = [])).push(d); };
- var outputFiles = [];
- var emitResult = ts.emitFilesAndReportErrors(program, reportDeclarationDiagnostics,
- /*writeFileName*/ undefined,
- /*reportSummary*/ undefined, function (name, text, writeByteOrderMark) { return outputFiles.push({ name: name, text: text, writeByteOrderMark: writeByteOrderMark }); }, cancellationToken,
- /*emitOnlyDts*/ false, customTransformers).emitResult;
- // Don't emit .d.ts if there are decl file errors
- if (declDiagnostics) {
- program.restoreState();
- buildResult = buildErrors(state, projectPath, program, config, declDiagnostics, BuildResultFlags.DeclarationEmitErrors, "Declaration file");
- step = Step.QueueReferencingProjects;
- return {
- emitSkipped: true,
- diagnostics: emitResult.diagnostics
- };
- }
- // Actual Emit
- var host = state.host, compilerHost = state.compilerHost;
- var resultFlags = BuildResultFlags.DeclarationOutputUnchanged;
- var newestDeclarationFileContentChangedTime = minimumDate;
- var anyDtsChanged = false;
- var emitterDiagnostics = ts.createDiagnosticCollection();
- var emittedOutputs = ts.createMap();
- outputFiles.forEach(function (_a) {
- var name = _a.name, text = _a.text, writeByteOrderMark = _a.writeByteOrderMark;
- var priorChangeTime;
- if (!anyDtsChanged && isDeclarationFile(name)) {
- // Check for unchanged .d.ts files
- if (host.fileExists(name) && state.readFileWithCache(name) === text) {
- priorChangeTime = host.getModifiedTime(name);
- }
- else {
- resultFlags &= ~BuildResultFlags.DeclarationOutputUnchanged;
- anyDtsChanged = true;
- }
- }
- emittedOutputs.set(toPath(state, name), name);
- ts.writeFile(writeFileCallback ? { writeFile: writeFileCallback } : compilerHost, emitterDiagnostics, name, text, writeByteOrderMark);
- if (priorChangeTime !== undefined) {
- newestDeclarationFileContentChangedTime = newer(priorChangeTime, newestDeclarationFileContentChangedTime);
- }
- });
- finishEmit(emitterDiagnostics, emittedOutputs, newestDeclarationFileContentChangedTime,
- /*newestDeclarationFileContentChangedTimeIsMaximumDate*/ anyDtsChanged, outputFiles.length ? outputFiles[0].name : ts.getFirstProjectOutput(config, !host.useCaseSensitiveFileNames()), resultFlags);
- return emitResult;
- }
- function finishEmit(emitterDiagnostics, emittedOutputs, priorNewestUpdateTime, newestDeclarationFileContentChangedTimeIsMaximumDate, oldestOutputFileName, resultFlags) {
- var emitDiagnostics = emitterDiagnostics.getDiagnostics();
- if (emitDiagnostics.length) {
- buildResult = buildErrors(state, projectPath, program, config, emitDiagnostics, BuildResultFlags.EmitErrors, "Emit");
- step = Step.QueueReferencingProjects;
- return emitDiagnostics;
- }
- if (state.writeFileName) {
- emittedOutputs.forEach(function (name) { return listEmittedFile(state, config, name); });
- if (program)
- ts.listFiles(program, state.writeFileName);
- }
- // Update time stamps for rest of the outputs
- var newestDeclarationFileContentChangedTime = updateOutputTimestampsWorker(state, config, priorNewestUpdateTime, ts.Diagnostics.Updating_unchanged_output_timestamps_of_project_0, emittedOutputs);
- state.diagnostics.delete(projectPath);
- state.projectStatus.set(projectPath, {
- type: ts.UpToDateStatusType.UpToDate,
- newestDeclarationFileContentChangedTime: newestDeclarationFileContentChangedTimeIsMaximumDate ?
- maximumDate :
- newestDeclarationFileContentChangedTime,
- oldestOutputFileName: oldestOutputFileName
- });
- afterProgramDone(state, projectPath, program, config);
- state.projectCompilerOptions = state.baseCompilerOptions;
- step = Step.QueueReferencingProjects;
- buildResult = resultFlags;
- return emitDiagnostics;
- }
- function emitBundle(writeFileCallback, customTransformers) {
- ts.Debug.assert(kind === InvalidatedProjectKind.UpdateBundle);
- if (state.options.dry) {
- reportStatus(state, ts.Diagnostics.A_non_dry_build_would_update_output_of_project_0, project);
- buildResult = BuildResultFlags.Success;
- step = Step.QueueReferencingProjects;
- return undefined;
- }
- if (state.options.verbose)
- reportStatus(state, ts.Diagnostics.Updating_output_of_project_0, project);
- // Update js, and source map
- var compilerHost = state.compilerHost;
- state.projectCompilerOptions = config.options;
- var outputFiles = ts.emitUsingBuildInfo(config, compilerHost, function (ref) {
- var refName = resolveProjectName(state, ref.path);
- return parseConfigFile(state, refName, toResolvedConfigFilePath(state, refName));
- }, customTransformers);
- if (ts.isString(outputFiles)) {
- reportStatus(state, ts.Diagnostics.Cannot_update_output_of_project_0_because_there_was_error_reading_file_1, project, relName(state, outputFiles));
- step = Step.BuildInvalidatedProjectOfBundle;
- return invalidatedProjectOfBundle = createBuildOrUpdateInvalidedProject(InvalidatedProjectKind.Build, state, project, projectPath, projectIndex, config, buildOrder);
- }
- // Actual Emit
- ts.Debug.assert(!!outputFiles.length);
- var emitterDiagnostics = ts.createDiagnosticCollection();
- var emittedOutputs = ts.createMap();
- outputFiles.forEach(function (_a) {
- var name = _a.name, text = _a.text, writeByteOrderMark = _a.writeByteOrderMark;
- emittedOutputs.set(toPath(state, name), name);
- ts.writeFile(writeFileCallback ? { writeFile: writeFileCallback } : compilerHost, emitterDiagnostics, name, text, writeByteOrderMark);
- });
- var emitDiagnostics = finishEmit(emitterDiagnostics, emittedOutputs, minimumDate,
- /*newestDeclarationFileContentChangedTimeIsMaximumDate*/ false, outputFiles[0].name, BuildResultFlags.DeclarationOutputUnchanged);
- return { emitSkipped: false, diagnostics: emitDiagnostics };
- }
- function executeSteps(till, cancellationToken, writeFile, customTransformers) {
- while (step <= till && step < Step.Done) {
- var currentStep = step;
- switch (step) {
- case Step.CreateProgram:
- createProgram();
- break;
- case Step.SyntaxDiagnostics:
- getSyntaxDiagnostics(cancellationToken);
- break;
- case Step.SemanticDiagnostics:
- getSemanticDiagnostics(cancellationToken);
- break;
- case Step.Emit:
- emit(writeFile, cancellationToken, customTransformers);
- break;
- case Step.EmitBundle:
- emitBundle(writeFile, customTransformers);
- break;
- case Step.BuildInvalidatedProjectOfBundle:
- ts.Debug.checkDefined(invalidatedProjectOfBundle).done(cancellationToken);
- step = Step.Done;
- break;
- case Step.QueueReferencingProjects:
- queueReferencingProjects(state, project, projectPath, projectIndex, config, buildOrder, ts.Debug.checkDefined(buildResult));
- step++;
- break;
- // Should never be done
- case Step.Done:
- default:
- ts.assertType(step);
- }
- ts.Debug.assert(step > currentStep);
- }
- }
- }
- function needsBuild(_a, status, config) {
- var options = _a.options;
- if (status.type !== ts.UpToDateStatusType.OutOfDateWithPrepend || options.force)
- return true;
- return config.fileNames.length === 0 ||
- !!ts.getConfigFileParsingDiagnostics(config).length ||
- !ts.isIncrementalCompilation(config.options);
- }
- function getNextInvalidatedProject(state, buildOrder, reportQueue) {
- if (!state.projectPendingBuild.size)
- return undefined;
- if (isCircularBuildOrder(buildOrder))
- return undefined;
- if (state.currentInvalidatedProject) {
- // Only if same buildOrder the currentInvalidated project can be sent again
- return ts.arrayIsEqualTo(state.currentInvalidatedProject.buildOrder, buildOrder) ?
- state.currentInvalidatedProject :
- undefined;
- }
- var options = state.options, projectPendingBuild = state.projectPendingBuild;
- for (var projectIndex = 0; projectIndex < buildOrder.length; projectIndex++) {
- var project = buildOrder[projectIndex];
- var projectPath = toResolvedConfigFilePath(state, project);
- var reloadLevel = state.projectPendingBuild.get(projectPath);
- if (reloadLevel === undefined)
- continue;
- if (reportQueue) {
- reportQueue = false;
- reportBuildQueue(state, buildOrder);
- }
- var config = parseConfigFile(state, project, projectPath);
- if (!config) {
- reportParseConfigFileDiagnostic(state, projectPath);
- projectPendingBuild.delete(projectPath);
- continue;
- }
- if (reloadLevel === ts.ConfigFileProgramReloadLevel.Full) {
- watchConfigFile(state, project, projectPath, config);
- watchWildCardDirectories(state, project, projectPath, config);
- watchInputFiles(state, project, projectPath, config);
- }
- else if (reloadLevel === ts.ConfigFileProgramReloadLevel.Partial) {
- // Update file names
- var result = ts.getFileNamesFromConfigSpecs(config.configFileSpecs, ts.getDirectoryPath(project), config.options, state.parseConfigFileHost);
- ts.updateErrorForNoInputFiles(result, project, config.configFileSpecs, config.errors, ts.canJsonReportNoInutFiles(config.raw));
- config.fileNames = result.fileNames;
- watchInputFiles(state, project, projectPath, config);
- }
- var status = getUpToDateStatus(state, config, projectPath);
- verboseReportProjectStatus(state, project, status);
- if (!options.force) {
- if (status.type === ts.UpToDateStatusType.UpToDate) {
- reportAndStoreErrors(state, projectPath, ts.getConfigFileParsingDiagnostics(config));
- projectPendingBuild.delete(projectPath);
- // Up to date, skip
- if (options.dry) {
- // In a dry build, inform the user of this fact
- reportStatus(state, ts.Diagnostics.Project_0_is_up_to_date, project);
- }
- continue;
- }
- if (status.type === ts.UpToDateStatusType.UpToDateWithUpstreamTypes) {
- reportAndStoreErrors(state, projectPath, ts.getConfigFileParsingDiagnostics(config));
- return createUpdateOutputFileStampsProject(state, project, projectPath, config, buildOrder);
- }
- }
- if (status.type === ts.UpToDateStatusType.UpstreamBlocked) {
- reportAndStoreErrors(state, projectPath, ts.getConfigFileParsingDiagnostics(config));
- projectPendingBuild.delete(projectPath);
- if (options.verbose) {
- reportStatus(state, status.upstreamProjectBlocked ?
- ts.Diagnostics.Skipping_build_of_project_0_because_its_dependency_1_was_not_built :
- ts.Diagnostics.Skipping_build_of_project_0_because_its_dependency_1_has_errors, project, status.upstreamProjectName);
- }
- continue;
- }
- if (status.type === ts.UpToDateStatusType.ContainerOnly) {
- reportAndStoreErrors(state, projectPath, ts.getConfigFileParsingDiagnostics(config));
- projectPendingBuild.delete(projectPath);
- // Do nothing
- continue;
- }
- return createBuildOrUpdateInvalidedProject(needsBuild(state, status, config) ?
- InvalidatedProjectKind.Build :
- InvalidatedProjectKind.UpdateBundle, state, project, projectPath, projectIndex, config, buildOrder);
- }
- return undefined;
- }
- function listEmittedFile(_a, proj, file) {
- var writeFileName = _a.writeFileName;
- if (writeFileName && proj.options.listEmittedFiles) {
- writeFileName("TSFILE: " + file);
- }
- }
- function getOldProgram(_a, proj, parsed) {
- var options = _a.options, builderPrograms = _a.builderPrograms, compilerHost = _a.compilerHost;
- if (options.force)
- return undefined;
- var value = builderPrograms.get(proj);
- if (value)
- return value;
- return ts.readBuilderProgram(parsed.options, compilerHost);
- }
- function afterProgramDone(_a, proj, program, config) {
- var host = _a.host, watch = _a.watch, builderPrograms = _a.builderPrograms;
- if (program) {
- if (host.afterProgramEmitAndDiagnostics) {
- host.afterProgramEmitAndDiagnostics(program);
- }
- if (watch) {
- program.releaseProgram();
- builderPrograms.set(proj, program);
- }
- }
- else if (host.afterEmitBundle) {
- host.afterEmitBundle(config);
- }
- }
- function buildErrors(state, resolvedPath, program, config, diagnostics, errorFlags, errorType) {
- reportAndStoreErrors(state, resolvedPath, diagnostics);
- // List files if any other build error using program (emit errors already report files)
- if (program && state.writeFileName)
- ts.listFiles(program, state.writeFileName);
- state.projectStatus.set(resolvedPath, { type: ts.UpToDateStatusType.Unbuildable, reason: errorType + " errors" });
- afterProgramDone(state, resolvedPath, program, config);
- state.projectCompilerOptions = state.baseCompilerOptions;
- return errorFlags;
- }
- function updateModuleResolutionCache(state, proj, config) {
- if (!state.moduleResolutionCache)
- return;
- // Update module resolution cache if needed
- var moduleResolutionCache = state.moduleResolutionCache;
- var projPath = toPath(state, proj);
- if (moduleResolutionCache.directoryToModuleNameMap.redirectsMap.size === 0) {
- // The own map will be for projectCompilerOptions
- ts.Debug.assert(moduleResolutionCache.moduleNameToDirectoryMap.redirectsMap.size === 0);
- moduleResolutionCache.directoryToModuleNameMap.redirectsMap.set(projPath, moduleResolutionCache.directoryToModuleNameMap.ownMap);
- moduleResolutionCache.moduleNameToDirectoryMap.redirectsMap.set(projPath, moduleResolutionCache.moduleNameToDirectoryMap.ownMap);
- }
- else {
- // Set correct own map
- ts.Debug.assert(moduleResolutionCache.moduleNameToDirectoryMap.redirectsMap.size > 0);
- var ref = {
- sourceFile: config.options.configFile,
- commandLine: config
- };
- moduleResolutionCache.directoryToModuleNameMap.setOwnMap(moduleResolutionCache.directoryToModuleNameMap.getOrCreateMapOfCacheRedirects(ref));
- moduleResolutionCache.moduleNameToDirectoryMap.setOwnMap(moduleResolutionCache.moduleNameToDirectoryMap.getOrCreateMapOfCacheRedirects(ref));
- }
- moduleResolutionCache.directoryToModuleNameMap.setOwnOptions(config.options);
- moduleResolutionCache.moduleNameToDirectoryMap.setOwnOptions(config.options);
- }
- function checkConfigFileUpToDateStatus(state, configFile, oldestOutputFileTime, oldestOutputFileName) {
- // Check tsconfig time
- var tsconfigTime = state.host.getModifiedTime(configFile) || ts.missingFileModifiedTime;
- if (oldestOutputFileTime < tsconfigTime) {
- return {
- type: ts.UpToDateStatusType.OutOfDateWithSelf,
- outOfDateOutputFileName: oldestOutputFileName,
- newerInputFileName: configFile
- };
- }
- }
- function getUpToDateStatusWorker(state, project, resolvedPath) {
- var newestInputFileName = undefined;
- var newestInputFileTime = minimumDate;
- var host = state.host;
- // Get timestamps of input files
- for (var _i = 0, _a = project.fileNames; _i < _a.length; _i++) {
- var inputFile = _a[_i];
- if (!host.fileExists(inputFile)) {
- return {
- type: ts.UpToDateStatusType.Unbuildable,
- reason: inputFile + " does not exist"
- };
- }
- var inputTime = host.getModifiedTime(inputFile) || ts.missingFileModifiedTime;
- if (inputTime > newestInputFileTime) {
- newestInputFileName = inputFile;
- newestInputFileTime = inputTime;
- }
- }
- // Container if no files are specified in the project
- if (!project.fileNames.length && !ts.canJsonReportNoInutFiles(project.raw)) {
- return {
- type: ts.UpToDateStatusType.ContainerOnly
- };
- }
- // Collect the expected outputs of this project
- var outputs = ts.getAllProjectOutputs(project, !host.useCaseSensitiveFileNames());
- // Now see if all outputs are newer than the newest input
- var oldestOutputFileName = "(none)";
- var oldestOutputFileTime = maximumDate;
- var newestOutputFileName = "(none)";
- var newestOutputFileTime = minimumDate;
- var missingOutputFileName;
- var newestDeclarationFileContentChangedTime = minimumDate;
- var isOutOfDateWithInputs = false;
- for (var _b = 0, outputs_1 = outputs; _b < outputs_1.length; _b++) {
- var output = outputs_1[_b];
- // Output is missing; can stop checking
- // Don't immediately return because we can still be upstream-blocked, which is a higher-priority status
- if (!host.fileExists(output)) {
- missingOutputFileName = output;
- break;
- }
- var outputTime = host.getModifiedTime(output) || ts.missingFileModifiedTime;
- if (outputTime < oldestOutputFileTime) {
- oldestOutputFileTime = outputTime;
- oldestOutputFileName = output;
- }
- // If an output is older than the newest input, we can stop checking
- // Don't immediately return because we can still be upstream-blocked, which is a higher-priority status
- if (outputTime < newestInputFileTime) {
- isOutOfDateWithInputs = true;
- break;
- }
- if (outputTime > newestOutputFileTime) {
- newestOutputFileTime = outputTime;
- newestOutputFileName = output;
- }
- // Keep track of when the most recent time a .d.ts file was changed.
- // In addition to file timestamps, we also keep track of when a .d.ts file
- // had its file touched but not had its contents changed - this allows us
- // to skip a downstream typecheck
- if (isDeclarationFile(output)) {
- var outputModifiedTime = host.getModifiedTime(output) || ts.missingFileModifiedTime;
- newestDeclarationFileContentChangedTime = newer(newestDeclarationFileContentChangedTime, outputModifiedTime);
- }
- }
- var pseudoUpToDate = false;
- var usesPrepend = false;
- var upstreamChangedProject;
- if (project.projectReferences) {
- state.projectStatus.set(resolvedPath, { type: ts.UpToDateStatusType.ComputingUpstream });
- for (var _c = 0, _d = project.projectReferences; _c < _d.length; _c++) {
- var ref = _d[_c];
- usesPrepend = usesPrepend || !!(ref.prepend);
- var resolvedRef = ts.resolveProjectReferencePath(ref);
- var resolvedRefPath = toResolvedConfigFilePath(state, resolvedRef);
- var refStatus = getUpToDateStatus(state, parseConfigFile(state, resolvedRef, resolvedRefPath), resolvedRefPath);
- // Its a circular reference ignore the status of this project
- if (refStatus.type === ts.UpToDateStatusType.ComputingUpstream ||
- refStatus.type === ts.UpToDateStatusType.ContainerOnly) { // Container only ignore this project
- continue;
- }
- // An upstream project is blocked
- if (refStatus.type === ts.UpToDateStatusType.Unbuildable ||
- refStatus.type === ts.UpToDateStatusType.UpstreamBlocked) {
- return {
- type: ts.UpToDateStatusType.UpstreamBlocked,
- upstreamProjectName: ref.path,
- upstreamProjectBlocked: refStatus.type === ts.UpToDateStatusType.UpstreamBlocked
- };
- }
- // If the upstream project is out of date, then so are we (someone shouldn't have asked, though?)
- if (refStatus.type !== ts.UpToDateStatusType.UpToDate) {
- return {
- type: ts.UpToDateStatusType.UpstreamOutOfDate,
- upstreamProjectName: ref.path
- };
- }
- // Check oldest output file name only if there is no missing output file name
- if (!missingOutputFileName) {
- // If the upstream project's newest file is older than our oldest output, we
- // can't be out of date because of it
- if (refStatus.newestInputFileTime && refStatus.newestInputFileTime <= oldestOutputFileTime) {
- continue;
- }
- // If the upstream project has only change .d.ts files, and we've built
- // *after* those files, then we're "psuedo up to date" and eligible for a fast rebuild
- if (refStatus.newestDeclarationFileContentChangedTime && refStatus.newestDeclarationFileContentChangedTime <= oldestOutputFileTime) {
- pseudoUpToDate = true;
- upstreamChangedProject = ref.path;
- continue;
- }
- // We have an output older than an upstream output - we are out of date
- ts.Debug.assert(oldestOutputFileName !== undefined, "Should have an oldest output filename here");
- return {
- type: ts.UpToDateStatusType.OutOfDateWithUpstream,
- outOfDateOutputFileName: oldestOutputFileName,
- newerProjectName: ref.path
- };
- }
- }
- }
- if (missingOutputFileName !== undefined) {
- return {
- type: ts.UpToDateStatusType.OutputMissing,
- missingOutputFileName: missingOutputFileName
- };
- }
- if (isOutOfDateWithInputs) {
- return {
- type: ts.UpToDateStatusType.OutOfDateWithSelf,
- outOfDateOutputFileName: oldestOutputFileName,
- newerInputFileName: newestInputFileName
- };
- }
- else {
- // Check tsconfig time
- var configStatus = checkConfigFileUpToDateStatus(state, project.options.configFilePath, oldestOutputFileTime, oldestOutputFileName);
- if (configStatus)
- return configStatus;
- // Check extended config time
- var extendedConfigStatus = ts.forEach(project.options.configFile.extendedSourceFiles || ts.emptyArray, function (configFile) { return checkConfigFileUpToDateStatus(state, configFile, oldestOutputFileTime, oldestOutputFileName); });
- if (extendedConfigStatus)
- return extendedConfigStatus;
- }
- if (!state.buildInfoChecked.has(resolvedPath)) {
- state.buildInfoChecked.set(resolvedPath, true);
- var buildInfoPath = ts.getTsBuildInfoEmitOutputFilePath(project.options);
- if (buildInfoPath) {
- var value = state.readFileWithCache(buildInfoPath);
- var buildInfo = value && ts.getBuildInfo(value);
- if (buildInfo && (buildInfo.bundle || buildInfo.program) && buildInfo.version !== ts.version) {
- return {
- type: ts.UpToDateStatusType.TsVersionOutputOfDate,
- version: buildInfo.version
- };
- }
- }
- }
- if (usesPrepend && pseudoUpToDate) {
- return {
- type: ts.UpToDateStatusType.OutOfDateWithPrepend,
- outOfDateOutputFileName: oldestOutputFileName,
- newerProjectName: upstreamChangedProject
- };
- }
- // Up to date
- return {
- type: pseudoUpToDate ? ts.UpToDateStatusType.UpToDateWithUpstreamTypes : ts.UpToDateStatusType.UpToDate,
- newestDeclarationFileContentChangedTime: newestDeclarationFileContentChangedTime,
- newestInputFileTime: newestInputFileTime,
- newestOutputFileTime: newestOutputFileTime,
- newestInputFileName: newestInputFileName,
- newestOutputFileName: newestOutputFileName,
- oldestOutputFileName: oldestOutputFileName
- };
- }
- function getUpToDateStatus(state, project, resolvedPath) {
- if (project === undefined) {
- return { type: ts.UpToDateStatusType.Unbuildable, reason: "File deleted mid-build" };
- }
- var prior = state.projectStatus.get(resolvedPath);
- if (prior !== undefined) {
- return prior;
- }
- var actual = getUpToDateStatusWorker(state, project, resolvedPath);
- state.projectStatus.set(resolvedPath, actual);
- return actual;
- }
- function updateOutputTimestampsWorker(state, proj, priorNewestUpdateTime, verboseMessage, skipOutputs) {
- var host = state.host;
- var outputs = ts.getAllProjectOutputs(proj, !host.useCaseSensitiveFileNames());
- if (!skipOutputs || outputs.length !== skipOutputs.size) {
- var reportVerbose = !!state.options.verbose;
- var now = host.now ? host.now() : new Date();
- for (var _i = 0, outputs_2 = outputs; _i < outputs_2.length; _i++) {
- var file = outputs_2[_i];
- if (skipOutputs && skipOutputs.has(toPath(state, file))) {
- continue;
- }
- if (reportVerbose) {
- reportVerbose = false;
- reportStatus(state, verboseMessage, proj.options.configFilePath);
- }
- if (isDeclarationFile(file)) {
- priorNewestUpdateTime = newer(priorNewestUpdateTime, host.getModifiedTime(file) || ts.missingFileModifiedTime);
- }
- host.setModifiedTime(file, now);
- }
- }
- return priorNewestUpdateTime;
- }
- function updateOutputTimestamps(state, proj, resolvedPath) {
- if (state.options.dry) {
- return reportStatus(state, ts.Diagnostics.A_non_dry_build_would_update_timestamps_for_output_of_project_0, proj.options.configFilePath);
- }
- var priorNewestUpdateTime = updateOutputTimestampsWorker(state, proj, minimumDate, ts.Diagnostics.Updating_output_timestamps_of_project_0);
- state.projectStatus.set(resolvedPath, {
- type: ts.UpToDateStatusType.UpToDate,
- newestDeclarationFileContentChangedTime: priorNewestUpdateTime,
- oldestOutputFileName: ts.getFirstProjectOutput(proj, !state.host.useCaseSensitiveFileNames())
- });
- }
- function queueReferencingProjects(state, project, projectPath, projectIndex, config, buildOrder, buildResult) {
- // Queue only if there are no errors
- if (buildResult & BuildResultFlags.AnyErrors)
- return;
- // Only composite projects can be referenced by other projects
- if (!config.options.composite)
- return;
- // Always use build order to queue projects
- for (var index = projectIndex + 1; index < buildOrder.length; index++) {
- var nextProject = buildOrder[index];
- var nextProjectPath = toResolvedConfigFilePath(state, nextProject);
- if (state.projectPendingBuild.has(nextProjectPath))
- continue;
- var nextProjectConfig = parseConfigFile(state, nextProject, nextProjectPath);
- if (!nextProjectConfig || !nextProjectConfig.projectReferences)
- continue;
- for (var _i = 0, _a = nextProjectConfig.projectReferences; _i < _a.length; _i++) {
- var ref = _a[_i];
- var resolvedRefPath = resolveProjectName(state, ref.path);
- if (toResolvedConfigFilePath(state, resolvedRefPath) !== projectPath)
- continue;
- // If the project is referenced with prepend, always build downstream projects,
- // If declaration output is changed, build the project
- // otherwise mark the project UpToDateWithUpstreamTypes so it updates output time stamps
- var status = state.projectStatus.get(nextProjectPath);
- if (status) {
- switch (status.type) {
- case ts.UpToDateStatusType.UpToDate:
- if (buildResult & BuildResultFlags.DeclarationOutputUnchanged) {
- if (ref.prepend) {
- state.projectStatus.set(nextProjectPath, {
- type: ts.UpToDateStatusType.OutOfDateWithPrepend,
- outOfDateOutputFileName: status.oldestOutputFileName,
- newerProjectName: project
- });
- }
- else {
- status.type = ts.UpToDateStatusType.UpToDateWithUpstreamTypes;
- }
- break;
- }
- // falls through
- case ts.UpToDateStatusType.UpToDateWithUpstreamTypes:
- case ts.UpToDateStatusType.OutOfDateWithPrepend:
- if (!(buildResult & BuildResultFlags.DeclarationOutputUnchanged)) {
- state.projectStatus.set(nextProjectPath, {
- type: ts.UpToDateStatusType.OutOfDateWithUpstream,
- outOfDateOutputFileName: status.type === ts.UpToDateStatusType.OutOfDateWithPrepend ? status.outOfDateOutputFileName : status.oldestOutputFileName,
- newerProjectName: project
- });
- }
- break;
- case ts.UpToDateStatusType.UpstreamBlocked:
- if (toResolvedConfigFilePath(state, resolveProjectName(state, status.upstreamProjectName)) === projectPath) {
- clearProjectStatus(state, nextProjectPath);
- }
- break;
- }
- }
- addProjToQueue(state, nextProjectPath, ts.ConfigFileProgramReloadLevel.None);
- break;
- }
- }
- }
- function build(state, project, cancellationToken, onlyReferences) {
- var buildOrder = getBuildOrderFor(state, project, onlyReferences);
- if (!buildOrder)
- return ts.ExitStatus.InvalidProject_OutputsSkipped;
- setupInitialBuild(state, cancellationToken);
- var reportQueue = true;
- var successfulProjects = 0;
- while (true) {
- var invalidatedProject = getNextInvalidatedProject(state, buildOrder, reportQueue);
- if (!invalidatedProject)
- break;
- reportQueue = false;
- invalidatedProject.done(cancellationToken);
- if (!state.diagnostics.has(invalidatedProject.projectPath))
- successfulProjects++;
- }
- disableCache(state);
- reportErrorSummary(state, buildOrder);
- startWatching(state, buildOrder);
- return isCircularBuildOrder(buildOrder)
- ? ts.ExitStatus.ProjectReferenceCycle_OutputsSkipped
- : !buildOrder.some(function (p) { return state.diagnostics.has(toResolvedConfigFilePath(state, p)); })
- ? ts.ExitStatus.Success
- : successfulProjects
- ? ts.ExitStatus.DiagnosticsPresent_OutputsGenerated
- : ts.ExitStatus.DiagnosticsPresent_OutputsSkipped;
- }
- function clean(state, project, onlyReferences) {
- var buildOrder = getBuildOrderFor(state, project, onlyReferences);
- if (!buildOrder)
- return ts.ExitStatus.InvalidProject_OutputsSkipped;
- if (isCircularBuildOrder(buildOrder)) {
- reportErrors(state, buildOrder.circularDiagnostics);
- return ts.ExitStatus.ProjectReferenceCycle_OutputsSkipped;
- }
- var options = state.options, host = state.host;
- var filesToDelete = options.dry ? [] : undefined;
- for (var _i = 0, buildOrder_1 = buildOrder; _i < buildOrder_1.length; _i++) {
- var proj = buildOrder_1[_i];
- var resolvedPath = toResolvedConfigFilePath(state, proj);
- var parsed = parseConfigFile(state, proj, resolvedPath);
- if (parsed === undefined) {
- // File has gone missing; fine to ignore here
- reportParseConfigFileDiagnostic(state, resolvedPath);
- continue;
- }
- var outputs = ts.getAllProjectOutputs(parsed, !host.useCaseSensitiveFileNames());
- for (var _a = 0, outputs_3 = outputs; _a < outputs_3.length; _a++) {
- var output = outputs_3[_a];
- if (host.fileExists(output)) {
- if (filesToDelete) {
- filesToDelete.push(output);
- }
- else {
- host.deleteFile(output);
- invalidateProject(state, resolvedPath, ts.ConfigFileProgramReloadLevel.None);
- }
- }
- }
- }
- if (filesToDelete) {
- reportStatus(state, ts.Diagnostics.A_non_dry_build_would_delete_the_following_files_Colon_0, filesToDelete.map(function (f) { return "\r\n * " + f; }).join(""));
- }
- return ts.ExitStatus.Success;
- }
- function invalidateProject(state, resolved, reloadLevel) {
- // If host implements getParsedCommandLine, we cant get list of files from parseConfigFileHost
- if (state.host.getParsedCommandLine && reloadLevel === ts.ConfigFileProgramReloadLevel.Partial) {
- reloadLevel = ts.ConfigFileProgramReloadLevel.Full;
- }
- if (reloadLevel === ts.ConfigFileProgramReloadLevel.Full) {
- state.configFileCache.delete(resolved);
- state.buildOrder = undefined;
- }
- state.needsSummary = true;
- clearProjectStatus(state, resolved);
- addProjToQueue(state, resolved, reloadLevel);
- enableCache(state);
- }
- function invalidateProjectAndScheduleBuilds(state, resolvedPath, reloadLevel) {
- state.reportFileChangeDetected = true;
- invalidateProject(state, resolvedPath, reloadLevel);
- scheduleBuildInvalidatedProject(state);
- }
- function scheduleBuildInvalidatedProject(state) {
- var hostWithWatch = state.hostWithWatch;
- if (!hostWithWatch.setTimeout || !hostWithWatch.clearTimeout) {
- return;
- }
- if (state.timerToBuildInvalidatedProject) {
- hostWithWatch.clearTimeout(state.timerToBuildInvalidatedProject);
- }
- state.timerToBuildInvalidatedProject = hostWithWatch.setTimeout(buildNextInvalidatedProject, 250, state);
- }
- function buildNextInvalidatedProject(state) {
- state.timerToBuildInvalidatedProject = undefined;
- if (state.reportFileChangeDetected) {
- state.reportFileChangeDetected = false;
- state.projectErrorsReported.clear();
- reportWatchStatus(state, ts.Diagnostics.File_change_detected_Starting_incremental_compilation);
- }
- var buildOrder = getBuildOrder(state);
- var invalidatedProject = getNextInvalidatedProject(state, buildOrder, /*reportQueue*/ false);
- if (invalidatedProject) {
- invalidatedProject.done();
- if (state.projectPendingBuild.size) {
- // Schedule next project for build
- if (state.watch && !state.timerToBuildInvalidatedProject) {
- scheduleBuildInvalidatedProject(state);
- }
- return;
- }
- }
- disableCache(state);
- reportErrorSummary(state, buildOrder);
- }
- function watchConfigFile(state, resolved, resolvedPath, parsed) {
- if (!state.watch || state.allWatchedConfigFiles.has(resolvedPath))
- return;
- state.allWatchedConfigFiles.set(resolvedPath, state.watchFile(state.hostWithWatch, resolved, function () {
- invalidateProjectAndScheduleBuilds(state, resolvedPath, ts.ConfigFileProgramReloadLevel.Full);
- }, ts.PollingInterval.High, parsed === null || parsed === void 0 ? void 0 : parsed.watchOptions, ts.WatchType.ConfigFile, resolved));
- }
- function isSameFile(state, file1, file2) {
- return ts.comparePaths(file1, file2, state.currentDirectory, !state.host.useCaseSensitiveFileNames()) === 0 /* EqualTo */;
- }
- function isOutputFile(state, fileName, configFile) {
- if (configFile.options.noEmit)
- return false;
- // ts or tsx files are not output
- if (!ts.fileExtensionIs(fileName, ".d.ts" /* Dts */) &&
- (ts.fileExtensionIs(fileName, ".ts" /* Ts */) || ts.fileExtensionIs(fileName, ".tsx" /* Tsx */))) {
- return false;
- }
- // If options have --outFile or --out, check if its that
- var out = configFile.options.outFile || configFile.options.out;
- if (out && (isSameFile(state, fileName, out) || isSameFile(state, fileName, ts.removeFileExtension(out) + ".d.ts" /* Dts */))) {
- return true;
- }
- // If declarationDir is specified, return if its a file in that directory
- if (configFile.options.declarationDir && ts.containsPath(configFile.options.declarationDir, fileName, state.currentDirectory, !state.host.useCaseSensitiveFileNames())) {
- return true;
- }
- // If --outDir, check if file is in that directory
- if (configFile.options.outDir && ts.containsPath(configFile.options.outDir, fileName, state.currentDirectory, !state.host.useCaseSensitiveFileNames())) {
- return true;
- }
- return !ts.forEach(configFile.fileNames, function (inputFile) { return isSameFile(state, fileName, inputFile); });
- }
- function watchWildCardDirectories(state, resolved, resolvedPath, parsed) {
- if (!state.watch)
- return;
- ts.updateWatchingWildcardDirectories(getOrCreateValueMapFromConfigFileMap(state.allWatchedWildcardDirectories, resolvedPath), ts.createMapFromTemplate(parsed.configFileSpecs.wildcardDirectories), function (dir, flags) { return state.watchDirectory(state.hostWithWatch, dir, function (fileOrDirectory) {
- var fileOrDirectoryPath = toPath(state, fileOrDirectory);
- if (fileOrDirectoryPath !== toPath(state, dir) && ts.hasExtension(fileOrDirectoryPath) && !ts.isSupportedSourceFileName(fileOrDirectory, parsed.options)) {
- state.writeLog("Project: " + resolved + " Detected file add/remove of non supported extension: " + fileOrDirectory);
- return;
- }
- if (isOutputFile(state, fileOrDirectory, parsed)) {
- state.writeLog(fileOrDirectory + " is output file");
- return;
- }
- invalidateProjectAndScheduleBuilds(state, resolvedPath, ts.ConfigFileProgramReloadLevel.Partial);
- }, flags, parsed === null || parsed === void 0 ? void 0 : parsed.watchOptions, ts.WatchType.WildcardDirectory, resolved); });
- }
- function watchInputFiles(state, resolved, resolvedPath, parsed) {
- if (!state.watch)
- return;
- ts.mutateMap(getOrCreateValueMapFromConfigFileMap(state.allWatchedInputFiles, resolvedPath), ts.arrayToMap(parsed.fileNames, function (fileName) { return toPath(state, fileName); }), {
- createNewValue: function (path, input) { return state.watchFilePath(state.hostWithWatch, input, function () { return invalidateProjectAndScheduleBuilds(state, resolvedPath, ts.ConfigFileProgramReloadLevel.None); }, ts.PollingInterval.Low, parsed === null || parsed === void 0 ? void 0 : parsed.watchOptions, path, ts.WatchType.SourceFile, resolved); },
- onDeleteValue: ts.closeFileWatcher,
- });
- }
- function startWatching(state, buildOrder) {
- if (!state.watchAllProjectsPending)
- return;
- state.watchAllProjectsPending = false;
- for (var _i = 0, _a = getBuildOrderFromAnyBuildOrder(buildOrder); _i < _a.length; _i++) {
- var resolved = _a[_i];
- var resolvedPath = toResolvedConfigFilePath(state, resolved);
- var cfg = parseConfigFile(state, resolved, resolvedPath);
- // Watch this file
- watchConfigFile(state, resolved, resolvedPath, cfg);
- if (cfg) {
- // Update watchers for wildcard directories
- watchWildCardDirectories(state, resolved, resolvedPath, cfg);
- // Watch input files
- watchInputFiles(state, resolved, resolvedPath, cfg);
- }
- }
- }
- function stopWatching(state) {
- ts.clearMap(state.allWatchedConfigFiles, ts.closeFileWatcher);
- ts.clearMap(state.allWatchedWildcardDirectories, function (watchedWildcardDirectories) { return ts.clearMap(watchedWildcardDirectories, ts.closeFileWatcherOf); });
- ts.clearMap(state.allWatchedInputFiles, function (watchedWildcardDirectories) { return ts.clearMap(watchedWildcardDirectories, ts.closeFileWatcher); });
- }
- function createSolutionBuilderWorker(watch, hostOrHostWithWatch, rootNames, options, baseWatchOptions) {
- var state = createSolutionBuilderState(watch, hostOrHostWithWatch, rootNames, options, baseWatchOptions);
- return {
- build: function (project, cancellationToken) { return build(state, project, cancellationToken); },
- clean: function (project) { return clean(state, project); },
- buildReferences: function (project, cancellationToken) { return build(state, project, cancellationToken, /*onlyReferences*/ true); },
- cleanReferences: function (project) { return clean(state, project, /*onlyReferences*/ true); },
- getNextInvalidatedProject: function (cancellationToken) {
- setupInitialBuild(state, cancellationToken);
- return getNextInvalidatedProject(state, getBuildOrder(state), /*reportQueue*/ false);
- },
- getBuildOrder: function () { return getBuildOrder(state); },
- getUpToDateStatusOfProject: function (project) {
- var configFileName = resolveProjectName(state, project);
- var configFilePath = toResolvedConfigFilePath(state, configFileName);
- return getUpToDateStatus(state, parseConfigFile(state, configFileName, configFilePath), configFilePath);
- },
- invalidateProject: function (configFilePath, reloadLevel) { return invalidateProject(state, configFilePath, reloadLevel || ts.ConfigFileProgramReloadLevel.None); },
- buildNextInvalidatedProject: function () { return buildNextInvalidatedProject(state); },
- getAllParsedConfigs: function () { return ts.arrayFrom(ts.mapDefinedIterator(state.configFileCache.values(), function (config) { return isParsedCommandLine(config) ? config : undefined; })); },
- close: function () { return stopWatching(state); },
- };
- }
- function relName(state, path) {
- return ts.convertToRelativePath(path, state.currentDirectory, function (f) { return state.getCanonicalFileName(f); });
- }
- function reportStatus(state, message) {
- var args = [];
- for (var _i = 2; _i < arguments.length; _i++) {
- args[_i - 2] = arguments[_i];
- }
- state.host.reportSolutionBuilderStatus(ts.createCompilerDiagnostic.apply(void 0, __spreadArrays([message], args)));
- }
- function reportWatchStatus(state, message) {
- var args = [];
- for (var _i = 2; _i < arguments.length; _i++) {
- args[_i - 2] = arguments[_i];
- }
- if (state.hostWithWatch.onWatchStatusChange) {
- state.hostWithWatch.onWatchStatusChange(ts.createCompilerDiagnostic.apply(void 0, __spreadArrays([message], args)), state.host.getNewLine(), state.baseCompilerOptions);
- }
- }
- function reportErrors(_a, errors) {
- var host = _a.host;
- errors.forEach(function (err) { return host.reportDiagnostic(err); });
- }
- function reportAndStoreErrors(state, proj, errors) {
- reportErrors(state, errors);
- state.projectErrorsReported.set(proj, true);
- if (errors.length) {
- state.diagnostics.set(proj, errors);
- }
- }
- function reportParseConfigFileDiagnostic(state, proj) {
- reportAndStoreErrors(state, proj, [state.configFileCache.get(proj)]);
- }
- function reportErrorSummary(state, buildOrder) {
- if (!state.needsSummary)
- return;
- state.needsSummary = false;
- var canReportSummary = state.watch || !!state.host.reportErrorSummary;
- var diagnostics = state.diagnostics;
- var totalErrors = 0;
- if (isCircularBuildOrder(buildOrder)) {
- reportBuildQueue(state, buildOrder.buildOrder);
- reportErrors(state, buildOrder.circularDiagnostics);
- if (canReportSummary)
- totalErrors += ts.getErrorCountForSummary(buildOrder.circularDiagnostics);
- }
- else {
- // Report errors from the other projects
- buildOrder.forEach(function (project) {
- var projectPath = toResolvedConfigFilePath(state, project);
- if (!state.projectErrorsReported.has(projectPath)) {
- reportErrors(state, diagnostics.get(projectPath) || ts.emptyArray);
- }
- });
- if (canReportSummary)
- diagnostics.forEach(function (singleProjectErrors) { return totalErrors += ts.getErrorCountForSummary(singleProjectErrors); });
- }
- if (state.watch) {
- reportWatchStatus(state, ts.getWatchErrorSummaryDiagnosticMessage(totalErrors), totalErrors);
- }
- else if (state.host.reportErrorSummary) {
- state.host.reportErrorSummary(totalErrors);
- }
- }
- /**
- * Report the build ordering inferred from the current project graph if we're in verbose mode
- */
- function reportBuildQueue(state, buildQueue) {
- if (state.options.verbose) {
- reportStatus(state, ts.Diagnostics.Projects_in_this_build_Colon_0, buildQueue.map(function (s) { return "\r\n * " + relName(state, s); }).join(""));
- }
- }
- function reportUpToDateStatus(state, configFileName, status) {
- switch (status.type) {
- case ts.UpToDateStatusType.OutOfDateWithSelf:
- return reportStatus(state, ts.Diagnostics.Project_0_is_out_of_date_because_oldest_output_1_is_older_than_newest_input_2, relName(state, configFileName), relName(state, status.outOfDateOutputFileName), relName(state, status.newerInputFileName));
- case ts.UpToDateStatusType.OutOfDateWithUpstream:
- return reportStatus(state, ts.Diagnostics.Project_0_is_out_of_date_because_oldest_output_1_is_older_than_newest_input_2, relName(state, configFileName), relName(state, status.outOfDateOutputFileName), relName(state, status.newerProjectName));
- case ts.UpToDateStatusType.OutputMissing:
- return reportStatus(state, ts.Diagnostics.Project_0_is_out_of_date_because_output_file_1_does_not_exist, relName(state, configFileName), relName(state, status.missingOutputFileName));
- case ts.UpToDateStatusType.UpToDate:
- if (status.newestInputFileTime !== undefined) {
- return reportStatus(state, ts.Diagnostics.Project_0_is_up_to_date_because_newest_input_1_is_older_than_oldest_output_2, relName(state, configFileName), relName(state, status.newestInputFileName || ""), relName(state, status.oldestOutputFileName || ""));
- }
- // Don't report anything for "up to date because it was already built" -- too verbose
- break;
- case ts.UpToDateStatusType.OutOfDateWithPrepend:
- return reportStatus(state, ts.Diagnostics.Project_0_is_out_of_date_because_output_of_its_dependency_1_has_changed, relName(state, configFileName), relName(state, status.newerProjectName));
- case ts.UpToDateStatusType.UpToDateWithUpstreamTypes:
- return reportStatus(state, ts.Diagnostics.Project_0_is_up_to_date_with_d_ts_files_from_its_dependencies, relName(state, configFileName));
- case ts.UpToDateStatusType.UpstreamOutOfDate:
- return reportStatus(state, ts.Diagnostics.Project_0_is_out_of_date_because_its_dependency_1_is_out_of_date, relName(state, configFileName), relName(state, status.upstreamProjectName));
- case ts.UpToDateStatusType.UpstreamBlocked:
- return reportStatus(state, status.upstreamProjectBlocked ?
- ts.Diagnostics.Project_0_can_t_be_built_because_its_dependency_1_was_not_built :
- ts.Diagnostics.Project_0_can_t_be_built_because_its_dependency_1_has_errors, relName(state, configFileName), relName(state, status.upstreamProjectName));
- case ts.UpToDateStatusType.Unbuildable:
- return reportStatus(state, ts.Diagnostics.Failed_to_parse_file_0_Colon_1, relName(state, configFileName), status.reason);
- case ts.UpToDateStatusType.TsVersionOutputOfDate:
- return reportStatus(state, ts.Diagnostics.Project_0_is_out_of_date_because_output_for_it_was_generated_with_version_1_that_differs_with_current_version_2, relName(state, configFileName), status.version, ts.version);
- case ts.UpToDateStatusType.ContainerOnly:
- // Don't report status on "solution" projects
- // falls through
- case ts.UpToDateStatusType.ComputingUpstream:
- // Should never leak from getUptoDateStatusWorker
- break;
- default:
- ts.assertType(status);
- }
- }
- /**
- * Report the up-to-date status of a project if we're in verbose mode
- */
- function verboseReportProjectStatus(state, configFileName, status) {
- if (state.options.verbose) {
- reportUpToDateStatus(state, configFileName, status);
- }
- }
-})(ts || (ts = {}));
-var ts;
-(function (ts) {
- var server;
- (function (server) {
- /* @internal */
- server.ActionSet = "action::set";
- /* @internal */
- server.ActionInvalidate = "action::invalidate";
- /* @internal */
- server.ActionPackageInstalled = "action::packageInstalled";
- /* @internal */
- server.EventTypesRegistry = "event::typesRegistry";
- /* @internal */
- server.EventBeginInstallTypes = "event::beginInstallTypes";
- /* @internal */
- server.EventEndInstallTypes = "event::endInstallTypes";
- /* @internal */
- server.EventInitializationFailed = "event::initializationFailed";
- /* @internal */
- var Arguments;
- (function (Arguments) {
- Arguments.GlobalCacheLocation = "--globalTypingsCacheLocation";
- Arguments.LogFile = "--logFile";
- Arguments.EnableTelemetry = "--enableTelemetry";
- Arguments.TypingSafeListLocation = "--typingSafeListLocation";
- Arguments.TypesMapLocation = "--typesMapLocation";
- /**
- * This argument specifies the location of the NPM executable.
- * typingsInstaller will run the command with `${npmLocation} install ...`.
- */
- Arguments.NpmLocation = "--npmLocation";
- /**
- * Flag indicating that the typings installer should try to validate the default npm location.
- * If the default npm is not found when this flag is enabled, fallback to `npm install`
- */
- Arguments.ValidateDefaultNpmLocation = "--validateDefaultNpmLocation";
- })(Arguments = server.Arguments || (server.Arguments = {}));
- /* @internal */
- function hasArgument(argumentName) {
- return ts.sys.args.indexOf(argumentName) >= 0;
- }
- server.hasArgument = hasArgument;
- /* @internal */
- function findArgument(argumentName) {
- var index = ts.sys.args.indexOf(argumentName);
- return index >= 0 && index < ts.sys.args.length - 1
- ? ts.sys.args[index + 1]
- : undefined;
- }
- server.findArgument = findArgument;
- /* @internal */
- function nowString() {
- // E.g. "12:34:56.789"
- var d = new Date();
- return d.getHours() + ":" + d.getMinutes() + ":" + d.getSeconds() + "." + d.getMilliseconds();
- }
- server.nowString = nowString;
- })(server = ts.server || (ts.server = {}));
-})(ts || (ts = {}));
-/* @internal */
-var ts;
-(function (ts) {
- var JsTyping;
- (function (JsTyping) {
- function isTypingUpToDate(cachedTyping, availableTypingVersions) {
- var availableVersion = new ts.Version(ts.getProperty(availableTypingVersions, "ts" + ts.versionMajorMinor) || ts.getProperty(availableTypingVersions, "latest"));
- return availableVersion.compareTo(cachedTyping.version) <= 0;
- }
- JsTyping.isTypingUpToDate = isTypingUpToDate;
- JsTyping.nodeCoreModuleList = [
- "assert",
- "async_hooks",
- "buffer",
- "child_process",
- "cluster",
- "console",
- "constants",
- "crypto",
- "dgram",
- "dns",
- "domain",
- "events",
- "fs",
- "http",
- "https",
- "http2",
- "inspector",
- "net",
- "os",
- "path",
- "perf_hooks",
- "process",
- "punycode",
- "querystring",
- "readline",
- "repl",
- "stream",
- "string_decoder",
- "timers",
- "tls",
- "tty",
- "url",
- "util",
- "v8",
- "vm",
- "zlib"
- ];
- JsTyping.nodeCoreModules = ts.arrayToSet(JsTyping.nodeCoreModuleList);
- function nonRelativeModuleNameForTypingCache(moduleName) {
- return JsTyping.nodeCoreModules.has(moduleName) ? "node" : moduleName;
- }
- JsTyping.nonRelativeModuleNameForTypingCache = nonRelativeModuleNameForTypingCache;
- function loadSafeList(host, safeListPath) {
- var result = ts.readConfigFile(safeListPath, function (path) { return host.readFile(path); });
- return ts.createMapFromTemplate(result.config);
- }
- JsTyping.loadSafeList = loadSafeList;
- function loadTypesMap(host, typesMapPath) {
- var result = ts.readConfigFile(typesMapPath, function (path) { return host.readFile(path); });
- if (result.config) {
- return ts.createMapFromTemplate(result.config.simpleMap);
- }
- return undefined;
- }
- JsTyping.loadTypesMap = loadTypesMap;
- /**
- * @param host is the object providing I/O related operations.
- * @param fileNames are the file names that belong to the same project
- * @param projectRootPath is the path to the project root directory
- * @param safeListPath is the path used to retrieve the safe list
- * @param packageNameToTypingLocation is the map of package names to their cached typing locations and installed versions
- * @param typeAcquisition is used to customize the typing acquisition process
- * @param compilerOptions are used as a source for typing inference
- */
- function discoverTypings(host, log, fileNames, projectRootPath, safeList, packageNameToTypingLocation, typeAcquisition, unresolvedImports, typesRegistry) {
- if (!typeAcquisition || !typeAcquisition.enable) {
- return { cachedTypingPaths: [], newTypingNames: [], filesToWatch: [] };
- }
- // A typing name to typing file path mapping
- var inferredTypings = ts.createMap();
- // Only infer typings for .js and .jsx files
- fileNames = ts.mapDefined(fileNames, function (fileName) {
- var path = ts.normalizePath(fileName);
- if (ts.hasJSFileExtension(path)) {
- return path;
- }
- });
- var filesToWatch = [];
- if (typeAcquisition.include)
- addInferredTypings(typeAcquisition.include, "Explicitly included types");
- var exclude = typeAcquisition.exclude || [];
- // Directories to search for package.json, bower.json and other typing information
- var possibleSearchDirs = ts.arrayToSet(fileNames, ts.getDirectoryPath);
- possibleSearchDirs.set(projectRootPath, true);
- possibleSearchDirs.forEach(function (_true, searchDir) {
- var packageJsonPath = ts.combinePaths(searchDir, "package.json");
- getTypingNamesFromJson(packageJsonPath, filesToWatch);
- var bowerJsonPath = ts.combinePaths(searchDir, "bower.json");
- getTypingNamesFromJson(bowerJsonPath, filesToWatch);
- var bowerComponentsPath = ts.combinePaths(searchDir, "bower_components");
- getTypingNamesFromPackagesFolder(bowerComponentsPath, filesToWatch);
- var nodeModulesPath = ts.combinePaths(searchDir, "node_modules");
- getTypingNamesFromPackagesFolder(nodeModulesPath, filesToWatch);
- });
- getTypingNamesFromSourceFileNames(fileNames);
- // add typings for unresolved imports
- if (unresolvedImports) {
- var module_1 = ts.deduplicate(unresolvedImports.map(nonRelativeModuleNameForTypingCache), ts.equateStringsCaseSensitive, ts.compareStringsCaseSensitive);
- addInferredTypings(module_1, "Inferred typings from unresolved imports");
- }
- // Add the cached typing locations for inferred typings that are already installed
- packageNameToTypingLocation.forEach(function (typing, name) {
- var registryEntry = typesRegistry.get(name);
- if (inferredTypings.has(name) && inferredTypings.get(name) === undefined && registryEntry !== undefined && isTypingUpToDate(typing, registryEntry)) {
- inferredTypings.set(name, typing.typingLocation);
- }
- });
- // Remove typings that the user has added to the exclude list
- for (var _i = 0, exclude_1 = exclude; _i < exclude_1.length; _i++) {
- var excludeTypingName = exclude_1[_i];
- var didDelete = inferredTypings.delete(excludeTypingName);
- if (didDelete && log)
- log("Typing for " + excludeTypingName + " is in exclude list, will be ignored.");
- }
- var newTypingNames = [];
- var cachedTypingPaths = [];
- inferredTypings.forEach(function (inferred, typing) {
- if (inferred !== undefined) {
- cachedTypingPaths.push(inferred);
- }
- else {
- newTypingNames.push(typing);
- }
- });
- var result = { cachedTypingPaths: cachedTypingPaths, newTypingNames: newTypingNames, filesToWatch: filesToWatch };
- if (log)
- log("Result: " + JSON.stringify(result));
- return result;
- function addInferredTyping(typingName) {
- if (!inferredTypings.has(typingName)) {
- inferredTypings.set(typingName, undefined); // TODO: GH#18217
- }
- }
- function addInferredTypings(typingNames, message) {
- if (log)
- log(message + ": " + JSON.stringify(typingNames));
- ts.forEach(typingNames, addInferredTyping);
- }
- /**
- * Get the typing info from common package manager json files like package.json or bower.json
- */
- function getTypingNamesFromJson(jsonPath, filesToWatch) {
- if (!host.fileExists(jsonPath)) {
- return;
- }
- filesToWatch.push(jsonPath);
- var jsonConfig = ts.readConfigFile(jsonPath, function (path) { return host.readFile(path); }).config;
- var jsonTypingNames = ts.flatMap([jsonConfig.dependencies, jsonConfig.devDependencies, jsonConfig.optionalDependencies, jsonConfig.peerDependencies], ts.getOwnKeys);
- addInferredTypings(jsonTypingNames, "Typing names in '" + jsonPath + "' dependencies");
- }
- /**
- * Infer typing names from given file names. For example, the file name "jquery-min.2.3.4.js"
- * should be inferred to the 'jquery' typing name; and "angular-route.1.2.3.js" should be inferred
- * to the 'angular-route' typing name.
- * @param fileNames are the names for source files in the project
- */
- function getTypingNamesFromSourceFileNames(fileNames) {
- var fromFileNames = ts.mapDefined(fileNames, function (j) {
- if (!ts.hasJSFileExtension(j))
- return undefined;
- var inferredTypingName = ts.removeFileExtension(ts.getBaseFileName(j.toLowerCase()));
- var cleanedTypingName = ts.removeMinAndVersionNumbers(inferredTypingName);
- return safeList.get(cleanedTypingName);
- });
- if (fromFileNames.length) {
- addInferredTypings(fromFileNames, "Inferred typings from file names");
- }
- var hasJsxFile = ts.some(fileNames, function (f) { return ts.fileExtensionIs(f, ".jsx" /* Jsx */); });
- if (hasJsxFile) {
- if (log)
- log("Inferred 'react' typings due to presence of '.jsx' extension");
- addInferredTyping("react");
- }
- }
- /**
- * Infer typing names from packages folder (ex: node_module, bower_components)
- * @param packagesFolderPath is the path to the packages folder
- */
- function getTypingNamesFromPackagesFolder(packagesFolderPath, filesToWatch) {
- filesToWatch.push(packagesFolderPath);
- // Todo: add support for ModuleResolutionHost too
- if (!host.directoryExists(packagesFolderPath)) {
- return;
- }
- // depth of 2, so we access `node_modules/foo` but not `node_modules/foo/bar`
- var fileNames = host.readDirectory(packagesFolderPath, [".json" /* Json */], /*excludes*/ undefined, /*includes*/ undefined, /*depth*/ 2);
- if (log)
- log("Searching for typing names in " + packagesFolderPath + "; all files: " + JSON.stringify(fileNames));
- var packageNames = [];
- for (var _i = 0, fileNames_1 = fileNames; _i < fileNames_1.length; _i++) {
- var fileName = fileNames_1[_i];
- var normalizedFileName = ts.normalizePath(fileName);
- var baseFileName = ts.getBaseFileName(normalizedFileName);
- if (baseFileName !== "package.json" && baseFileName !== "bower.json") {
- continue;
- }
- var result_1 = ts.readConfigFile(normalizedFileName, function (path) { return host.readFile(path); });
- var packageJson = result_1.config;
- // npm 3's package.json contains a "_requiredBy" field
- // we should include all the top level module names for npm 2, and only module names whose
- // "_requiredBy" field starts with "#" or equals "/" for npm 3.
- if (baseFileName === "package.json" && packageJson._requiredBy &&
- ts.filter(packageJson._requiredBy, function (r) { return r[0] === "#" || r === "/"; }).length === 0) {
- continue;
- }
- // If the package has its own d.ts typings, those will take precedence. Otherwise the package name will be used
- // to download d.ts files from DefinitelyTyped
- if (!packageJson.name) {
- continue;
- }
- var ownTypes = packageJson.types || packageJson.typings;
- if (ownTypes) {
- var absolutePath = ts.getNormalizedAbsolutePath(ownTypes, ts.getDirectoryPath(normalizedFileName));
- if (log)
- log(" Package '" + packageJson.name + "' provides its own types.");
- inferredTypings.set(packageJson.name, absolutePath);
- }
- else {
- packageNames.push(packageJson.name);
- }
- }
- addInferredTypings(packageNames, " Found package names");
- }
- }
- JsTyping.discoverTypings = discoverTypings;
- var NameValidationResult;
- (function (NameValidationResult) {
- NameValidationResult[NameValidationResult["Ok"] = 0] = "Ok";
- NameValidationResult[NameValidationResult["EmptyName"] = 1] = "EmptyName";
- NameValidationResult[NameValidationResult["NameTooLong"] = 2] = "NameTooLong";
- NameValidationResult[NameValidationResult["NameStartsWithDot"] = 3] = "NameStartsWithDot";
- NameValidationResult[NameValidationResult["NameStartsWithUnderscore"] = 4] = "NameStartsWithUnderscore";
- NameValidationResult[NameValidationResult["NameContainsNonURISafeCharacters"] = 5] = "NameContainsNonURISafeCharacters";
- })(NameValidationResult = JsTyping.NameValidationResult || (JsTyping.NameValidationResult = {}));
- var maxPackageNameLength = 214;
- /**
- * Validates package name using rules defined at https://docs.npmjs.com/files/package.json
- */
- function validatePackageName(packageName) {
- return validatePackageNameWorker(packageName, /*supportScopedPackage*/ true);
- }
- JsTyping.validatePackageName = validatePackageName;
- function validatePackageNameWorker(packageName, supportScopedPackage) {
- if (!packageName) {
- return 1 /* EmptyName */;
- }
- if (packageName.length > maxPackageNameLength) {
- return 2 /* NameTooLong */;
- }
- if (packageName.charCodeAt(0) === 46 /* dot */) {
- return 3 /* NameStartsWithDot */;
- }
- if (packageName.charCodeAt(0) === 95 /* _ */) {
- return 4 /* NameStartsWithUnderscore */;
- }
- // check if name is scope package like: starts with @ and has one '/' in the middle
- // scoped packages are not currently supported
- if (supportScopedPackage) {
- var matches = /^@([^/]+)\/([^/]+)$/.exec(packageName);
- if (matches) {
- var scopeResult = validatePackageNameWorker(matches[1], /*supportScopedPackage*/ false);
- if (scopeResult !== 0 /* Ok */) {
- return { name: matches[1], isScopeName: true, result: scopeResult };
- }
- var packageResult = validatePackageNameWorker(matches[2], /*supportScopedPackage*/ false);
- if (packageResult !== 0 /* Ok */) {
- return { name: matches[2], isScopeName: false, result: packageResult };
- }
- return 0 /* Ok */;
- }
- }
- if (encodeURIComponent(packageName) !== packageName) {
- return 5 /* NameContainsNonURISafeCharacters */;
- }
- return 0 /* Ok */;
- }
- function renderPackageNameValidationFailure(result, typing) {
- return typeof result === "object" ?
- renderPackageNameValidationFailureWorker(typing, result.result, result.name, result.isScopeName) :
- renderPackageNameValidationFailureWorker(typing, result, typing, /*isScopeName*/ false);
- }
- JsTyping.renderPackageNameValidationFailure = renderPackageNameValidationFailure;
- function renderPackageNameValidationFailureWorker(typing, result, name, isScopeName) {
- var kind = isScopeName ? "Scope" : "Package";
- switch (result) {
- case 1 /* EmptyName */:
- return "'" + typing + "':: " + kind + " name '" + name + "' cannot be empty";
- case 2 /* NameTooLong */:
- return "'" + typing + "':: " + kind + " name '" + name + "' should be less than " + maxPackageNameLength + " characters";
- case 3 /* NameStartsWithDot */:
- return "'" + typing + "':: " + kind + " name '" + name + "' cannot start with '.'";
- case 4 /* NameStartsWithUnderscore */:
- return "'" + typing + "':: " + kind + " name '" + name + "' cannot start with '_'";
- case 5 /* NameContainsNonURISafeCharacters */:
- return "'" + typing + "':: " + kind + " name '" + name + "' contains non URI safe characters";
- case 0 /* Ok */:
- return ts.Debug.fail(); // Shouldn't have called this.
- default:
- throw ts.Debug.assertNever(result);
- }
- }
- })(JsTyping = ts.JsTyping || (ts.JsTyping = {}));
-})(ts || (ts = {}));
-var ts;
-(function (ts) {
- var ScriptSnapshot;
- (function (ScriptSnapshot) {
- var StringScriptSnapshot = /** @class */ (function () {
- function StringScriptSnapshot(text) {
- this.text = text;
- }
- StringScriptSnapshot.prototype.getText = function (start, end) {
- return start === 0 && end === this.text.length
- ? this.text
- : this.text.substring(start, end);
- };
- StringScriptSnapshot.prototype.getLength = function () {
- return this.text.length;
- };
- StringScriptSnapshot.prototype.getChangeRange = function () {
- // Text-based snapshots do not support incremental parsing. Return undefined
- // to signal that to the caller.
- return undefined;
- };
- return StringScriptSnapshot;
- }());
- function fromString(text) {
- return new StringScriptSnapshot(text);
- }
- ScriptSnapshot.fromString = fromString;
- })(ScriptSnapshot = ts.ScriptSnapshot || (ts.ScriptSnapshot = {}));
- /* @internal */
- var PackageJsonDependencyGroup;
- (function (PackageJsonDependencyGroup) {
- PackageJsonDependencyGroup[PackageJsonDependencyGroup["Dependencies"] = 1] = "Dependencies";
- PackageJsonDependencyGroup[PackageJsonDependencyGroup["DevDependencies"] = 2] = "DevDependencies";
- PackageJsonDependencyGroup[PackageJsonDependencyGroup["PeerDependencies"] = 4] = "PeerDependencies";
- PackageJsonDependencyGroup[PackageJsonDependencyGroup["OptionalDependencies"] = 8] = "OptionalDependencies";
- PackageJsonDependencyGroup[PackageJsonDependencyGroup["All"] = 15] = "All";
- })(PackageJsonDependencyGroup = ts.PackageJsonDependencyGroup || (ts.PackageJsonDependencyGroup = {}));
- /* @internal */
- ts.emptyOptions = {};
- var HighlightSpanKind;
- (function (HighlightSpanKind) {
- HighlightSpanKind["none"] = "none";
- HighlightSpanKind["definition"] = "definition";
- HighlightSpanKind["reference"] = "reference";
- HighlightSpanKind["writtenReference"] = "writtenReference";
- })(HighlightSpanKind = ts.HighlightSpanKind || (ts.HighlightSpanKind = {}));
- var IndentStyle;
- (function (IndentStyle) {
- IndentStyle[IndentStyle["None"] = 0] = "None";
- IndentStyle[IndentStyle["Block"] = 1] = "Block";
- IndentStyle[IndentStyle["Smart"] = 2] = "Smart";
- })(IndentStyle = ts.IndentStyle || (ts.IndentStyle = {}));
- var SemicolonPreference;
- (function (SemicolonPreference) {
- SemicolonPreference["Ignore"] = "ignore";
- SemicolonPreference["Insert"] = "insert";
- SemicolonPreference["Remove"] = "remove";
- })(SemicolonPreference = ts.SemicolonPreference || (ts.SemicolonPreference = {}));
- function getDefaultFormatCodeSettings(newLineCharacter) {
- return {
- indentSize: 4,
- tabSize: 4,
- newLineCharacter: newLineCharacter || "\n",
- convertTabsToSpaces: true,
- indentStyle: IndentStyle.Smart,
- insertSpaceAfterConstructor: false,
- insertSpaceAfterCommaDelimiter: true,
- insertSpaceAfterSemicolonInForStatements: true,
- insertSpaceBeforeAndAfterBinaryOperators: true,
- insertSpaceAfterKeywordsInControlFlowStatements: true,
- insertSpaceAfterFunctionKeywordForAnonymousFunctions: false,
- insertSpaceAfterOpeningAndBeforeClosingNonemptyParenthesis: false,
- insertSpaceAfterOpeningAndBeforeClosingNonemptyBrackets: false,
- insertSpaceAfterOpeningAndBeforeClosingNonemptyBraces: true,
- insertSpaceAfterOpeningAndBeforeClosingTemplateStringBraces: false,
- insertSpaceAfterOpeningAndBeforeClosingJsxExpressionBraces: false,
- insertSpaceBeforeFunctionParenthesis: false,
- placeOpenBraceOnNewLineForFunctions: false,
- placeOpenBraceOnNewLineForControlBlocks: false,
- semicolons: SemicolonPreference.Ignore,
- trimTrailingWhitespace: true
- };
- }
- ts.getDefaultFormatCodeSettings = getDefaultFormatCodeSettings;
- /* @internal */
- ts.testFormatSettings = getDefaultFormatCodeSettings("\n");
- var SymbolDisplayPartKind;
- (function (SymbolDisplayPartKind) {
- SymbolDisplayPartKind[SymbolDisplayPartKind["aliasName"] = 0] = "aliasName";
- SymbolDisplayPartKind[SymbolDisplayPartKind["className"] = 1] = "className";
- SymbolDisplayPartKind[SymbolDisplayPartKind["enumName"] = 2] = "enumName";
- SymbolDisplayPartKind[SymbolDisplayPartKind["fieldName"] = 3] = "fieldName";
- SymbolDisplayPartKind[SymbolDisplayPartKind["interfaceName"] = 4] = "interfaceName";
- SymbolDisplayPartKind[SymbolDisplayPartKind["keyword"] = 5] = "keyword";
- SymbolDisplayPartKind[SymbolDisplayPartKind["lineBreak"] = 6] = "lineBreak";
- SymbolDisplayPartKind[SymbolDisplayPartKind["numericLiteral"] = 7] = "numericLiteral";
- SymbolDisplayPartKind[SymbolDisplayPartKind["stringLiteral"] = 8] = "stringLiteral";
- SymbolDisplayPartKind[SymbolDisplayPartKind["localName"] = 9] = "localName";
- SymbolDisplayPartKind[SymbolDisplayPartKind["methodName"] = 10] = "methodName";
- SymbolDisplayPartKind[SymbolDisplayPartKind["moduleName"] = 11] = "moduleName";
- SymbolDisplayPartKind[SymbolDisplayPartKind["operator"] = 12] = "operator";
- SymbolDisplayPartKind[SymbolDisplayPartKind["parameterName"] = 13] = "parameterName";
- SymbolDisplayPartKind[SymbolDisplayPartKind["propertyName"] = 14] = "propertyName";
- SymbolDisplayPartKind[SymbolDisplayPartKind["punctuation"] = 15] = "punctuation";
- SymbolDisplayPartKind[SymbolDisplayPartKind["space"] = 16] = "space";
- SymbolDisplayPartKind[SymbolDisplayPartKind["text"] = 17] = "text";
- SymbolDisplayPartKind[SymbolDisplayPartKind["typeParameterName"] = 18] = "typeParameterName";
- SymbolDisplayPartKind[SymbolDisplayPartKind["enumMemberName"] = 19] = "enumMemberName";
- SymbolDisplayPartKind[SymbolDisplayPartKind["functionName"] = 20] = "functionName";
- SymbolDisplayPartKind[SymbolDisplayPartKind["regularExpressionLiteral"] = 21] = "regularExpressionLiteral";
- })(SymbolDisplayPartKind = ts.SymbolDisplayPartKind || (ts.SymbolDisplayPartKind = {}));
- var OutliningSpanKind;
- (function (OutliningSpanKind) {
- /** Single or multi-line comments */
- OutliningSpanKind["Comment"] = "comment";
- /** Sections marked by '// #region' and '// #endregion' comments */
- OutliningSpanKind["Region"] = "region";
- /** Declarations and expressions */
- OutliningSpanKind["Code"] = "code";
- /** Contiguous blocks of import declarations */
- OutliningSpanKind["Imports"] = "imports";
- })(OutliningSpanKind = ts.OutliningSpanKind || (ts.OutliningSpanKind = {}));
- var OutputFileType;
- (function (OutputFileType) {
- OutputFileType[OutputFileType["JavaScript"] = 0] = "JavaScript";
- OutputFileType[OutputFileType["SourceMap"] = 1] = "SourceMap";
- OutputFileType[OutputFileType["Declaration"] = 2] = "Declaration";
- })(OutputFileType = ts.OutputFileType || (ts.OutputFileType = {}));
- var EndOfLineState;
- (function (EndOfLineState) {
- EndOfLineState[EndOfLineState["None"] = 0] = "None";
- EndOfLineState[EndOfLineState["InMultiLineCommentTrivia"] = 1] = "InMultiLineCommentTrivia";
- EndOfLineState[EndOfLineState["InSingleQuoteStringLiteral"] = 2] = "InSingleQuoteStringLiteral";
- EndOfLineState[EndOfLineState["InDoubleQuoteStringLiteral"] = 3] = "InDoubleQuoteStringLiteral";
- EndOfLineState[EndOfLineState["InTemplateHeadOrNoSubstitutionTemplate"] = 4] = "InTemplateHeadOrNoSubstitutionTemplate";
- EndOfLineState[EndOfLineState["InTemplateMiddleOrTail"] = 5] = "InTemplateMiddleOrTail";
- EndOfLineState[EndOfLineState["InTemplateSubstitutionPosition"] = 6] = "InTemplateSubstitutionPosition";
- })(EndOfLineState = ts.EndOfLineState || (ts.EndOfLineState = {}));
- var TokenClass;
- (function (TokenClass) {
- TokenClass[TokenClass["Punctuation"] = 0] = "Punctuation";
- TokenClass[TokenClass["Keyword"] = 1] = "Keyword";
- TokenClass[TokenClass["Operator"] = 2] = "Operator";
- TokenClass[TokenClass["Comment"] = 3] = "Comment";
- TokenClass[TokenClass["Whitespace"] = 4] = "Whitespace";
- TokenClass[TokenClass["Identifier"] = 5] = "Identifier";
- TokenClass[TokenClass["NumberLiteral"] = 6] = "NumberLiteral";
- TokenClass[TokenClass["BigIntLiteral"] = 7] = "BigIntLiteral";
- TokenClass[TokenClass["StringLiteral"] = 8] = "StringLiteral";
- TokenClass[TokenClass["RegExpLiteral"] = 9] = "RegExpLiteral";
- })(TokenClass = ts.TokenClass || (ts.TokenClass = {}));
- var ScriptElementKind;
- (function (ScriptElementKind) {
- ScriptElementKind["unknown"] = "";
- ScriptElementKind["warning"] = "warning";
- /** predefined type (void) or keyword (class) */
- ScriptElementKind["keyword"] = "keyword";
- /** top level script node */
- ScriptElementKind["scriptElement"] = "script";
- /** module foo {} */
- ScriptElementKind["moduleElement"] = "module";
- /** class X {} */
- ScriptElementKind["classElement"] = "class";
- /** var x = class X {} */
- ScriptElementKind["localClassElement"] = "local class";
- /** interface Y {} */
- ScriptElementKind["interfaceElement"] = "interface";
- /** type T = ... */
- ScriptElementKind["typeElement"] = "type";
- /** enum E */
- ScriptElementKind["enumElement"] = "enum";
- ScriptElementKind["enumMemberElement"] = "enum member";
- /**
- * Inside module and script only
- * const v = ..
- */
- ScriptElementKind["variableElement"] = "var";
- /** Inside function */
- ScriptElementKind["localVariableElement"] = "local var";
- /**
- * Inside module and script only
- * function f() { }
- */
- ScriptElementKind["functionElement"] = "function";
- /** Inside function */
- ScriptElementKind["localFunctionElement"] = "local function";
- /** class X { [public|private]* foo() {} } */
- ScriptElementKind["memberFunctionElement"] = "method";
- /** class X { [public|private]* [get|set] foo:number; } */
- ScriptElementKind["memberGetAccessorElement"] = "getter";
- ScriptElementKind["memberSetAccessorElement"] = "setter";
- /**
- * class X { [public|private]* foo:number; }
- * interface Y { foo:number; }
- */
- ScriptElementKind["memberVariableElement"] = "property";
- /** class X { constructor() { } } */
- ScriptElementKind["constructorImplementationElement"] = "constructor";
- /** interface Y { ():number; } */
- ScriptElementKind["callSignatureElement"] = "call";
- /** interface Y { []:number; } */
- ScriptElementKind["indexSignatureElement"] = "index";
- /** interface Y { new():Y; } */
- ScriptElementKind["constructSignatureElement"] = "construct";
- /** function foo(*Y*: string) */
- ScriptElementKind["parameterElement"] = "parameter";
- ScriptElementKind["typeParameterElement"] = "type parameter";
- ScriptElementKind["primitiveType"] = "primitive type";
- ScriptElementKind["label"] = "label";
- ScriptElementKind["alias"] = "alias";
- ScriptElementKind["constElement"] = "const";
- ScriptElementKind["letElement"] = "let";
- ScriptElementKind["directory"] = "directory";
- ScriptElementKind["externalModuleName"] = "external module name";
- /**
- * <JsxTagName attribute1 attribute2={0} />
- */
- ScriptElementKind["jsxAttribute"] = "JSX attribute";
- /** String literal */
- ScriptElementKind["string"] = "string";
- })(ScriptElementKind = ts.ScriptElementKind || (ts.ScriptElementKind = {}));
- var ScriptElementKindModifier;
- (function (ScriptElementKindModifier) {
- ScriptElementKindModifier["none"] = "";
- ScriptElementKindModifier["publicMemberModifier"] = "public";
- ScriptElementKindModifier["privateMemberModifier"] = "private";
- ScriptElementKindModifier["protectedMemberModifier"] = "protected";
- ScriptElementKindModifier["exportedModifier"] = "export";
- ScriptElementKindModifier["ambientModifier"] = "declare";
- ScriptElementKindModifier["staticModifier"] = "static";
- ScriptElementKindModifier["abstractModifier"] = "abstract";
- ScriptElementKindModifier["optionalModifier"] = "optional";
- ScriptElementKindModifier["dtsModifier"] = ".d.ts";
- ScriptElementKindModifier["tsModifier"] = ".ts";
- ScriptElementKindModifier["tsxModifier"] = ".tsx";
- ScriptElementKindModifier["jsModifier"] = ".js";
- ScriptElementKindModifier["jsxModifier"] = ".jsx";
- ScriptElementKindModifier["jsonModifier"] = ".json";
- })(ScriptElementKindModifier = ts.ScriptElementKindModifier || (ts.ScriptElementKindModifier = {}));
- var ClassificationTypeNames;
- (function (ClassificationTypeNames) {
- ClassificationTypeNames["comment"] = "comment";
- ClassificationTypeNames["identifier"] = "identifier";
- ClassificationTypeNames["keyword"] = "keyword";
- ClassificationTypeNames["numericLiteral"] = "number";
- ClassificationTypeNames["bigintLiteral"] = "bigint";
- ClassificationTypeNames["operator"] = "operator";
- ClassificationTypeNames["stringLiteral"] = "string";
- ClassificationTypeNames["whiteSpace"] = "whitespace";
- ClassificationTypeNames["text"] = "text";
- ClassificationTypeNames["punctuation"] = "punctuation";
- ClassificationTypeNames["className"] = "class name";
- ClassificationTypeNames["enumName"] = "enum name";
- ClassificationTypeNames["interfaceName"] = "interface name";
- ClassificationTypeNames["moduleName"] = "module name";
- ClassificationTypeNames["typeParameterName"] = "type parameter name";
- ClassificationTypeNames["typeAliasName"] = "type alias name";
- ClassificationTypeNames["parameterName"] = "parameter name";
- ClassificationTypeNames["docCommentTagName"] = "doc comment tag name";
- ClassificationTypeNames["jsxOpenTagName"] = "jsx open tag name";
- ClassificationTypeNames["jsxCloseTagName"] = "jsx close tag name";
- ClassificationTypeNames["jsxSelfClosingTagName"] = "jsx self closing tag name";
- ClassificationTypeNames["jsxAttribute"] = "jsx attribute";
- ClassificationTypeNames["jsxText"] = "jsx text";
- ClassificationTypeNames["jsxAttributeStringLiteralValue"] = "jsx attribute string literal value";
- })(ClassificationTypeNames = ts.ClassificationTypeNames || (ts.ClassificationTypeNames = {}));
- var ClassificationType;
- (function (ClassificationType) {
- ClassificationType[ClassificationType["comment"] = 1] = "comment";
- ClassificationType[ClassificationType["identifier"] = 2] = "identifier";
- ClassificationType[ClassificationType["keyword"] = 3] = "keyword";
- ClassificationType[ClassificationType["numericLiteral"] = 4] = "numericLiteral";
- ClassificationType[ClassificationType["operator"] = 5] = "operator";
- ClassificationType[ClassificationType["stringLiteral"] = 6] = "stringLiteral";
- ClassificationType[ClassificationType["regularExpressionLiteral"] = 7] = "regularExpressionLiteral";
- ClassificationType[ClassificationType["whiteSpace"] = 8] = "whiteSpace";
- ClassificationType[ClassificationType["text"] = 9] = "text";
- ClassificationType[ClassificationType["punctuation"] = 10] = "punctuation";
- ClassificationType[ClassificationType["className"] = 11] = "className";
- ClassificationType[ClassificationType["enumName"] = 12] = "enumName";
- ClassificationType[ClassificationType["interfaceName"] = 13] = "interfaceName";
- ClassificationType[ClassificationType["moduleName"] = 14] = "moduleName";
- ClassificationType[ClassificationType["typeParameterName"] = 15] = "typeParameterName";
- ClassificationType[ClassificationType["typeAliasName"] = 16] = "typeAliasName";
- ClassificationType[ClassificationType["parameterName"] = 17] = "parameterName";
- ClassificationType[ClassificationType["docCommentTagName"] = 18] = "docCommentTagName";
- ClassificationType[ClassificationType["jsxOpenTagName"] = 19] = "jsxOpenTagName";
- ClassificationType[ClassificationType["jsxCloseTagName"] = 20] = "jsxCloseTagName";
- ClassificationType[ClassificationType["jsxSelfClosingTagName"] = 21] = "jsxSelfClosingTagName";
- ClassificationType[ClassificationType["jsxAttribute"] = 22] = "jsxAttribute";
- ClassificationType[ClassificationType["jsxText"] = 23] = "jsxText";
- ClassificationType[ClassificationType["jsxAttributeStringLiteralValue"] = 24] = "jsxAttributeStringLiteralValue";
- ClassificationType[ClassificationType["bigintLiteral"] = 25] = "bigintLiteral";
- })(ClassificationType = ts.ClassificationType || (ts.ClassificationType = {}));
-})(ts || (ts = {}));
-/* @internal */
-var ts;
-(function (ts) {
- // These utilities are common to multiple language service features.
- //#region
- ts.scanner = ts.createScanner(99 /* Latest */, /*skipTrivia*/ true);
- var SemanticMeaning;
- (function (SemanticMeaning) {
- SemanticMeaning[SemanticMeaning["None"] = 0] = "None";
- SemanticMeaning[SemanticMeaning["Value"] = 1] = "Value";
- SemanticMeaning[SemanticMeaning["Type"] = 2] = "Type";
- SemanticMeaning[SemanticMeaning["Namespace"] = 4] = "Namespace";
- SemanticMeaning[SemanticMeaning["All"] = 7] = "All";
- })(SemanticMeaning = ts.SemanticMeaning || (ts.SemanticMeaning = {}));
- function getMeaningFromDeclaration(node) {
- switch (node.kind) {
- case 242 /* VariableDeclaration */:
- return ts.isInJSFile(node) && ts.getJSDocEnumTag(node) ? 7 /* All */ : 1 /* Value */;
- case 156 /* Parameter */:
- case 191 /* BindingElement */:
- case 159 /* PropertyDeclaration */:
- case 158 /* PropertySignature */:
- case 281 /* PropertyAssignment */:
- case 282 /* ShorthandPropertyAssignment */:
- case 161 /* MethodDeclaration */:
- case 160 /* MethodSignature */:
- case 162 /* Constructor */:
- case 163 /* GetAccessor */:
- case 164 /* SetAccessor */:
- case 244 /* FunctionDeclaration */:
- case 201 /* FunctionExpression */:
- case 202 /* ArrowFunction */:
- case 280 /* CatchClause */:
- case 273 /* JsxAttribute */:
- return 1 /* Value */;
- case 155 /* TypeParameter */:
- case 246 /* InterfaceDeclaration */:
- case 247 /* TypeAliasDeclaration */:
- case 173 /* TypeLiteral */:
- return 2 /* Type */;
- case 322 /* JSDocTypedefTag */:
- // If it has no name node, it shares the name with the value declaration below it.
- return node.name === undefined ? 1 /* Value */ | 2 /* Type */ : 2 /* Type */;
- case 284 /* EnumMember */:
- case 245 /* ClassDeclaration */:
- return 1 /* Value */ | 2 /* Type */;
- case 249 /* ModuleDeclaration */:
- if (ts.isAmbientModule(node)) {
- return 4 /* Namespace */ | 1 /* Value */;
- }
- else if (ts.getModuleInstanceState(node) === 1 /* Instantiated */) {
- return 4 /* Namespace */ | 1 /* Value */;
- }
- else {
- return 4 /* Namespace */;
- }
- case 248 /* EnumDeclaration */:
- case 257 /* NamedImports */:
- case 258 /* ImportSpecifier */:
- case 253 /* ImportEqualsDeclaration */:
- case 254 /* ImportDeclaration */:
- case 259 /* ExportAssignment */:
- case 260 /* ExportDeclaration */:
- return 7 /* All */;
- // An external module can be a Value
- case 290 /* SourceFile */:
- return 4 /* Namespace */ | 1 /* Value */;
- }
- return 7 /* All */;
- }
- ts.getMeaningFromDeclaration = getMeaningFromDeclaration;
- function getMeaningFromLocation(node) {
- node = getAdjustedReferenceLocation(node);
- if (node.kind === 290 /* SourceFile */) {
- return 1 /* Value */;
- }
- else if (node.parent.kind === 259 /* ExportAssignment */
- || node.parent.kind === 265 /* ExternalModuleReference */
- || node.parent.kind === 258 /* ImportSpecifier */
- || node.parent.kind === 255 /* ImportClause */
- || ts.isImportEqualsDeclaration(node.parent) && node === node.parent.name) {
- return 7 /* All */;
- }
- else if (isInRightSideOfInternalImportEqualsDeclaration(node)) {
- return getMeaningFromRightHandSideOfImportEquals(node);
- }
- else if (ts.isDeclarationName(node)) {
- return getMeaningFromDeclaration(node.parent);
- }
- else if (isTypeReference(node)) {
- return 2 /* Type */;
- }
- else if (isNamespaceReference(node)) {
- return 4 /* Namespace */;
- }
- else if (ts.isTypeParameterDeclaration(node.parent)) {
- ts.Debug.assert(ts.isJSDocTemplateTag(node.parent.parent)); // Else would be handled by isDeclarationName
- return 2 /* Type */;
- }
- else if (ts.isLiteralTypeNode(node.parent)) {
- // This might be T["name"], which is actually referencing a property and not a type. So allow both meanings.
- return 2 /* Type */ | 1 /* Value */;
- }
- else {
- return 1 /* Value */;
- }
- }
- ts.getMeaningFromLocation = getMeaningFromLocation;
- function getMeaningFromRightHandSideOfImportEquals(node) {
- // import a = |b|; // Namespace
- // import a = |b.c|; // Value, type, namespace
- // import a = |b.c|.d; // Namespace
- var name = node.kind === 153 /* QualifiedName */ ? node : ts.isQualifiedName(node.parent) && node.parent.right === node ? node.parent : undefined;
- return name && name.parent.kind === 253 /* ImportEqualsDeclaration */ ? 7 /* All */ : 4 /* Namespace */;
- }
- function isInRightSideOfInternalImportEqualsDeclaration(node) {
- while (node.parent.kind === 153 /* QualifiedName */) {
- node = node.parent;
- }
- return ts.isInternalModuleImportEqualsDeclaration(node.parent) && node.parent.moduleReference === node;
- }
- ts.isInRightSideOfInternalImportEqualsDeclaration = isInRightSideOfInternalImportEqualsDeclaration;
- function isNamespaceReference(node) {
- return isQualifiedNameNamespaceReference(node) || isPropertyAccessNamespaceReference(node);
- }
- function isQualifiedNameNamespaceReference(node) {
- var root = node;
- var isLastClause = true;
- if (root.parent.kind === 153 /* QualifiedName */) {
- while (root.parent && root.parent.kind === 153 /* QualifiedName */) {
- root = root.parent;
- }
- isLastClause = root.right === node;
- }
- return root.parent.kind === 169 /* TypeReference */ && !isLastClause;
- }
- function isPropertyAccessNamespaceReference(node) {
- var root = node;
- var isLastClause = true;
- if (root.parent.kind === 194 /* PropertyAccessExpression */) {
- while (root.parent && root.parent.kind === 194 /* PropertyAccessExpression */) {
- root = root.parent;
- }
- isLastClause = root.name === node;
- }
- if (!isLastClause && root.parent.kind === 216 /* ExpressionWithTypeArguments */ && root.parent.parent.kind === 279 /* HeritageClause */) {
- var decl = root.parent.parent.parent;
- return (decl.kind === 245 /* ClassDeclaration */ && root.parent.parent.token === 113 /* ImplementsKeyword */) ||
- (decl.kind === 246 /* InterfaceDeclaration */ && root.parent.parent.token === 90 /* ExtendsKeyword */);
- }
- return false;
- }
- function isTypeReference(node) {
- if (ts.isRightSideOfQualifiedNameOrPropertyAccess(node)) {
- node = node.parent;
- }
- switch (node.kind) {
- case 104 /* ThisKeyword */:
- return !ts.isExpressionNode(node);
- case 183 /* ThisType */:
- return true;
- }
- switch (node.parent.kind) {
- case 169 /* TypeReference */:
- return true;
- case 188 /* ImportType */:
- return !node.parent.isTypeOf;
- case 216 /* ExpressionWithTypeArguments */:
- return !ts.isExpressionWithTypeArgumentsInClassExtendsClause(node.parent);
- }
- return false;
- }
- function isCallExpressionTarget(node, includeElementAccess, skipPastOuterExpressions) {
- if (includeElementAccess === void 0) { includeElementAccess = false; }
- if (skipPastOuterExpressions === void 0) { skipPastOuterExpressions = false; }
- return isCalleeWorker(node, ts.isCallExpression, selectExpressionOfCallOrNewExpressionOrDecorator, includeElementAccess, skipPastOuterExpressions);
- }
- ts.isCallExpressionTarget = isCallExpressionTarget;
- function isNewExpressionTarget(node, includeElementAccess, skipPastOuterExpressions) {
- if (includeElementAccess === void 0) { includeElementAccess = false; }
- if (skipPastOuterExpressions === void 0) { skipPastOuterExpressions = false; }
- return isCalleeWorker(node, ts.isNewExpression, selectExpressionOfCallOrNewExpressionOrDecorator, includeElementAccess, skipPastOuterExpressions);
- }
- ts.isNewExpressionTarget = isNewExpressionTarget;
- function isCallOrNewExpressionTarget(node, includeElementAccess, skipPastOuterExpressions) {
- if (includeElementAccess === void 0) { includeElementAccess = false; }
- if (skipPastOuterExpressions === void 0) { skipPastOuterExpressions = false; }
- return isCalleeWorker(node, ts.isCallOrNewExpression, selectExpressionOfCallOrNewExpressionOrDecorator, includeElementAccess, skipPastOuterExpressions);
- }
- ts.isCallOrNewExpressionTarget = isCallOrNewExpressionTarget;
- function isTaggedTemplateTag(node, includeElementAccess, skipPastOuterExpressions) {
- if (includeElementAccess === void 0) { includeElementAccess = false; }
- if (skipPastOuterExpressions === void 0) { skipPastOuterExpressions = false; }
- return isCalleeWorker(node, ts.isTaggedTemplateExpression, selectTagOfTaggedTemplateExpression, includeElementAccess, skipPastOuterExpressions);
- }
- ts.isTaggedTemplateTag = isTaggedTemplateTag;
- function isDecoratorTarget(node, includeElementAccess, skipPastOuterExpressions) {
- if (includeElementAccess === void 0) { includeElementAccess = false; }
- if (skipPastOuterExpressions === void 0) { skipPastOuterExpressions = false; }
- return isCalleeWorker(node, ts.isDecorator, selectExpressionOfCallOrNewExpressionOrDecorator, includeElementAccess, skipPastOuterExpressions);
- }
- ts.isDecoratorTarget = isDecoratorTarget;
- function isJsxOpeningLikeElementTagName(node, includeElementAccess, skipPastOuterExpressions) {
- if (includeElementAccess === void 0) { includeElementAccess = false; }
- if (skipPastOuterExpressions === void 0) { skipPastOuterExpressions = false; }
- return isCalleeWorker(node, ts.isJsxOpeningLikeElement, selectTagNameOfJsxOpeningLikeElement, includeElementAccess, skipPastOuterExpressions);
- }
- ts.isJsxOpeningLikeElementTagName = isJsxOpeningLikeElementTagName;
- function selectExpressionOfCallOrNewExpressionOrDecorator(node) {
- return node.expression;
- }
- function selectTagOfTaggedTemplateExpression(node) {
- return node.tag;
- }
- function selectTagNameOfJsxOpeningLikeElement(node) {
- return node.tagName;
- }
- function isCalleeWorker(node, pred, calleeSelector, includeElementAccess, skipPastOuterExpressions) {
- var target = includeElementAccess ? climbPastPropertyOrElementAccess(node) : climbPastPropertyAccess(node);
- if (skipPastOuterExpressions) {
- target = ts.skipOuterExpressions(target);
- }
- return !!target && !!target.parent && pred(target.parent) && calleeSelector(target.parent) === target;
- }
- function climbPastPropertyAccess(node) {
- return isRightSideOfPropertyAccess(node) ? node.parent : node;
- }
- ts.climbPastPropertyAccess = climbPastPropertyAccess;
- function climbPastPropertyOrElementAccess(node) {
- return isRightSideOfPropertyAccess(node) || isArgumentExpressionOfElementAccess(node) ? node.parent : node;
- }
- ts.climbPastPropertyOrElementAccess = climbPastPropertyOrElementAccess;
- function getTargetLabel(referenceNode, labelName) {
- while (referenceNode) {
- if (referenceNode.kind === 238 /* LabeledStatement */ && referenceNode.label.escapedText === labelName) {
- return referenceNode.label;
- }
- referenceNode = referenceNode.parent;
- }
- return undefined;
- }
- ts.getTargetLabel = getTargetLabel;
- function hasPropertyAccessExpressionWithName(node, funcName) {
- if (!ts.isPropertyAccessExpression(node.expression)) {
- return false;
- }
- return node.expression.name.text === funcName;
- }
- ts.hasPropertyAccessExpressionWithName = hasPropertyAccessExpressionWithName;
- function isJumpStatementTarget(node) {
- var _a;
- return ts.isIdentifier(node) && ((_a = ts.tryCast(node.parent, ts.isBreakOrContinueStatement)) === null || _a === void 0 ? void 0 : _a.label) === node;
- }
- ts.isJumpStatementTarget = isJumpStatementTarget;
- function isLabelOfLabeledStatement(node) {
- var _a;
- return ts.isIdentifier(node) && ((_a = ts.tryCast(node.parent, ts.isLabeledStatement)) === null || _a === void 0 ? void 0 : _a.label) === node;
- }
- ts.isLabelOfLabeledStatement = isLabelOfLabeledStatement;
- function isLabelName(node) {
- return isLabelOfLabeledStatement(node) || isJumpStatementTarget(node);
- }
- ts.isLabelName = isLabelName;
- function isTagName(node) {
- var _a;
- return ((_a = ts.tryCast(node.parent, ts.isJSDocTag)) === null || _a === void 0 ? void 0 : _a.tagName) === node;
- }
- ts.isTagName = isTagName;
- function isRightSideOfQualifiedName(node) {
- var _a;
- return ((_a = ts.tryCast(node.parent, ts.isQualifiedName)) === null || _a === void 0 ? void 0 : _a.right) === node;
- }
- ts.isRightSideOfQualifiedName = isRightSideOfQualifiedName;
- function isRightSideOfPropertyAccess(node) {
- var _a;
- return ((_a = ts.tryCast(node.parent, ts.isPropertyAccessExpression)) === null || _a === void 0 ? void 0 : _a.name) === node;
- }
- ts.isRightSideOfPropertyAccess = isRightSideOfPropertyAccess;
- function isArgumentExpressionOfElementAccess(node) {
- var _a;
- return ((_a = ts.tryCast(node.parent, ts.isElementAccessExpression)) === null || _a === void 0 ? void 0 : _a.argumentExpression) === node;
- }
- ts.isArgumentExpressionOfElementAccess = isArgumentExpressionOfElementAccess;
- function isNameOfModuleDeclaration(node) {
- var _a;
- return ((_a = ts.tryCast(node.parent, ts.isModuleDeclaration)) === null || _a === void 0 ? void 0 : _a.name) === node;
- }
- ts.isNameOfModuleDeclaration = isNameOfModuleDeclaration;
- function isNameOfFunctionDeclaration(node) {
- var _a;
- return ts.isIdentifier(node) && ((_a = ts.tryCast(node.parent, ts.isFunctionLike)) === null || _a === void 0 ? void 0 : _a.name) === node;
- }
- ts.isNameOfFunctionDeclaration = isNameOfFunctionDeclaration;
- function isLiteralNameOfPropertyDeclarationOrIndexAccess(node) {
- switch (node.parent.kind) {
- case 159 /* PropertyDeclaration */:
- case 158 /* PropertySignature */:
- case 281 /* PropertyAssignment */:
- case 284 /* EnumMember */:
- case 161 /* MethodDeclaration */:
- case 160 /* MethodSignature */:
- case 163 /* GetAccessor */:
- case 164 /* SetAccessor */:
- case 249 /* ModuleDeclaration */:
- return ts.getNameOfDeclaration(node.parent) === node;
- case 195 /* ElementAccessExpression */:
- return node.parent.argumentExpression === node;
- case 154 /* ComputedPropertyName */:
- return true;
- case 187 /* LiteralType */:
- return node.parent.parent.kind === 185 /* IndexedAccessType */;
- default:
- return false;
- }
- }
- ts.isLiteralNameOfPropertyDeclarationOrIndexAccess = isLiteralNameOfPropertyDeclarationOrIndexAccess;
- function isExpressionOfExternalModuleImportEqualsDeclaration(node) {
- return ts.isExternalModuleImportEqualsDeclaration(node.parent.parent) &&
- ts.getExternalModuleImportEqualsDeclarationExpression(node.parent.parent) === node;
- }
- ts.isExpressionOfExternalModuleImportEqualsDeclaration = isExpressionOfExternalModuleImportEqualsDeclaration;
- function getContainerNode(node) {
- if (ts.isJSDocTypeAlias(node)) {
- // This doesn't just apply to the node immediately under the comment, but to everything in its parent's scope.
- // node.parent = the JSDoc comment, node.parent.parent = the node having the comment.
- // Then we get parent again in the loop.
- node = node.parent.parent;
- }
- while (true) {
- node = node.parent;
- if (!node) {
- return undefined;
- }
- switch (node.kind) {
- case 290 /* SourceFile */:
- case 161 /* MethodDeclaration */:
- case 160 /* MethodSignature */:
- case 244 /* FunctionDeclaration */:
- case 201 /* FunctionExpression */:
- case 163 /* GetAccessor */:
- case 164 /* SetAccessor */:
- case 245 /* ClassDeclaration */:
- case 246 /* InterfaceDeclaration */:
- case 248 /* EnumDeclaration */:
- case 249 /* ModuleDeclaration */:
- return node;
- }
- }
- }
- ts.getContainerNode = getContainerNode;
- function getNodeKind(node) {
- switch (node.kind) {
- case 290 /* SourceFile */:
- return ts.isExternalModule(node) ? "module" /* moduleElement */ : "script" /* scriptElement */;
- case 249 /* ModuleDeclaration */:
- return "module" /* moduleElement */;
- case 245 /* ClassDeclaration */:
- case 214 /* ClassExpression */:
- return "class" /* classElement */;
- case 246 /* InterfaceDeclaration */: return "interface" /* interfaceElement */;
- case 247 /* TypeAliasDeclaration */:
- case 315 /* JSDocCallbackTag */:
- case 322 /* JSDocTypedefTag */:
- return "type" /* typeElement */;
- case 248 /* EnumDeclaration */: return "enum" /* enumElement */;
- case 242 /* VariableDeclaration */:
- return getKindOfVariableDeclaration(node);
- case 191 /* BindingElement */:
- return getKindOfVariableDeclaration(ts.getRootDeclaration(node));
- case 202 /* ArrowFunction */:
- case 244 /* FunctionDeclaration */:
- case 201 /* FunctionExpression */:
- return "function" /* functionElement */;
- case 163 /* GetAccessor */: return "getter" /* memberGetAccessorElement */;
- case 164 /* SetAccessor */: return "setter" /* memberSetAccessorElement */;
- case 161 /* MethodDeclaration */:
- case 160 /* MethodSignature */:
- return "method" /* memberFunctionElement */;
- case 281 /* PropertyAssignment */:
- var initializer = node.initializer;
- return ts.isFunctionLike(initializer) ? "method" /* memberFunctionElement */ : "property" /* memberVariableElement */;
- case 159 /* PropertyDeclaration */:
- case 158 /* PropertySignature */:
- case 282 /* ShorthandPropertyAssignment */:
- case 283 /* SpreadAssignment */:
- return "property" /* memberVariableElement */;
- case 167 /* IndexSignature */: return "index" /* indexSignatureElement */;
- case 166 /* ConstructSignature */: return "construct" /* constructSignatureElement */;
- case 165 /* CallSignature */: return "call" /* callSignatureElement */;
- case 162 /* Constructor */: return "constructor" /* constructorImplementationElement */;
- case 155 /* TypeParameter */: return "type parameter" /* typeParameterElement */;
- case 284 /* EnumMember */: return "enum member" /* enumMemberElement */;
- case 156 /* Parameter */: return ts.hasModifier(node, 92 /* ParameterPropertyModifier */) ? "property" /* memberVariableElement */ : "parameter" /* parameterElement */;
- case 253 /* ImportEqualsDeclaration */:
- case 258 /* ImportSpecifier */:
- case 263 /* ExportSpecifier */:
- case 256 /* NamespaceImport */:
- case 262 /* NamespaceExport */:
- return "alias" /* alias */;
- case 209 /* BinaryExpression */:
- var kind = ts.getAssignmentDeclarationKind(node);
- var right = node.right;
- switch (kind) {
- case 7 /* ObjectDefinePropertyValue */:
- case 8 /* ObjectDefinePropertyExports */:
- case 9 /* ObjectDefinePrototypeProperty */:
- case 0 /* None */:
- return "" /* unknown */;
- case 1 /* ExportsProperty */:
- case 2 /* ModuleExports */:
- var rightKind = getNodeKind(right);
- return rightKind === "" /* unknown */ ? "const" /* constElement */ : rightKind;
- case 3 /* PrototypeProperty */:
- return ts.isFunctionExpression(right) ? "method" /* memberFunctionElement */ : "property" /* memberVariableElement */;
- case 4 /* ThisProperty */:
- return "property" /* memberVariableElement */; // property
- case 5 /* Property */:
- // static method / property
- return ts.isFunctionExpression(right) ? "method" /* memberFunctionElement */ : "property" /* memberVariableElement */;
- case 6 /* Prototype */:
- return "local class" /* localClassElement */;
- default: {
- ts.assertType(kind);
- return "" /* unknown */;
- }
- }
- case 75 /* Identifier */:
- return ts.isImportClause(node.parent) ? "alias" /* alias */ : "" /* unknown */;
- case 259 /* ExportAssignment */:
- var scriptKind = getNodeKind(node.expression);
- // If the expression didn't come back with something (like it does for an identifiers)
- return scriptKind === "" /* unknown */ ? "const" /* constElement */ : scriptKind;
- default:
- return "" /* unknown */;
- }
- function getKindOfVariableDeclaration(v) {
- return ts.isVarConst(v)
- ? "const" /* constElement */
- : ts.isLet(v)
- ? "let" /* letElement */
- : "var" /* variableElement */;
- }
- }
- ts.getNodeKind = getNodeKind;
- function isThis(node) {
- switch (node.kind) {
- case 104 /* ThisKeyword */:
- // case SyntaxKind.ThisType: TODO: GH#9267
- return true;
- case 75 /* Identifier */:
- // 'this' as a parameter
- return ts.identifierIsThisKeyword(node) && node.parent.kind === 156 /* Parameter */;
- default:
- return false;
- }
- }
- ts.isThis = isThis;
- // Matches the beginning of a triple slash directive
- var tripleSlashDirectivePrefixRegex = /^\/\/\/\s*</;
- function getLineStartPositionForPosition(position, sourceFile) {
- var lineStarts = ts.getLineStarts(sourceFile);
- var line = sourceFile.getLineAndCharacterOfPosition(position).line;
- return lineStarts[line];
- }
- ts.getLineStartPositionForPosition = getLineStartPositionForPosition;
- function rangeContainsRange(r1, r2) {
- return startEndContainsRange(r1.pos, r1.end, r2);
- }
- ts.rangeContainsRange = rangeContainsRange;
- function rangeContainsRangeExclusive(r1, r2) {
- return rangeContainsPositionExclusive(r1, r2.pos) && rangeContainsPositionExclusive(r1, r2.end);
- }
- ts.rangeContainsRangeExclusive = rangeContainsRangeExclusive;
- function rangeContainsPosition(r, pos) {
- return r.pos <= pos && pos <= r.end;
- }
- ts.rangeContainsPosition = rangeContainsPosition;
- function rangeContainsPositionExclusive(r, pos) {
- return r.pos < pos && pos < r.end;
- }
- ts.rangeContainsPositionExclusive = rangeContainsPositionExclusive;
- function startEndContainsRange(start, end, range) {
- return start <= range.pos && end >= range.end;
- }
- ts.startEndContainsRange = startEndContainsRange;
- function rangeContainsStartEnd(range, start, end) {
- return range.pos <= start && range.end >= end;
- }
- ts.rangeContainsStartEnd = rangeContainsStartEnd;
- function rangeOverlapsWithStartEnd(r1, start, end) {
- return startEndOverlapsWithStartEnd(r1.pos, r1.end, start, end);
- }
- ts.rangeOverlapsWithStartEnd = rangeOverlapsWithStartEnd;
- function nodeOverlapsWithStartEnd(node, sourceFile, start, end) {
- return startEndOverlapsWithStartEnd(node.getStart(sourceFile), node.end, start, end);
- }
- ts.nodeOverlapsWithStartEnd = nodeOverlapsWithStartEnd;
- function startEndOverlapsWithStartEnd(start1, end1, start2, end2) {
- var start = Math.max(start1, start2);
- var end = Math.min(end1, end2);
- return start < end;
- }
- ts.startEndOverlapsWithStartEnd = startEndOverlapsWithStartEnd;
- /**
- * Assumes `candidate.start <= position` holds.
- */
- function positionBelongsToNode(candidate, position, sourceFile) {
- ts.Debug.assert(candidate.pos <= position);
- return position < candidate.end || !isCompletedNode(candidate, sourceFile);
- }
- ts.positionBelongsToNode = positionBelongsToNode;
- function isCompletedNode(n, sourceFile) {
- if (n === undefined || ts.nodeIsMissing(n)) {
- return false;
- }
- switch (n.kind) {
- case 245 /* ClassDeclaration */:
- case 246 /* InterfaceDeclaration */:
- case 248 /* EnumDeclaration */:
- case 193 /* ObjectLiteralExpression */:
- case 189 /* ObjectBindingPattern */:
- case 173 /* TypeLiteral */:
- case 223 /* Block */:
- case 250 /* ModuleBlock */:
- case 251 /* CaseBlock */:
- case 257 /* NamedImports */:
- case 261 /* NamedExports */:
- return nodeEndsWith(n, 19 /* CloseBraceToken */, sourceFile);
- case 280 /* CatchClause */:
- return isCompletedNode(n.block, sourceFile);
- case 197 /* NewExpression */:
- if (!n.arguments) {
- return true;
- }
- // falls through
- case 196 /* CallExpression */:
- case 200 /* ParenthesizedExpression */:
- case 182 /* ParenthesizedType */:
- return nodeEndsWith(n, 21 /* CloseParenToken */, sourceFile);
- case 170 /* FunctionType */:
- case 171 /* ConstructorType */:
- return isCompletedNode(n.type, sourceFile);
- case 162 /* Constructor */:
- case 163 /* GetAccessor */:
- case 164 /* SetAccessor */:
- case 244 /* FunctionDeclaration */:
- case 201 /* FunctionExpression */:
- case 161 /* MethodDeclaration */:
- case 160 /* MethodSignature */:
- case 166 /* ConstructSignature */:
- case 165 /* CallSignature */:
- case 202 /* ArrowFunction */:
- if (n.body) {
- return isCompletedNode(n.body, sourceFile);
- }
- if (n.type) {
- return isCompletedNode(n.type, sourceFile);
- }
- // Even though type parameters can be unclosed, we can get away with
- // having at least a closing paren.
- return hasChildOfKind(n, 21 /* CloseParenToken */, sourceFile);
- case 249 /* ModuleDeclaration */:
- return !!n.body && isCompletedNode(n.body, sourceFile);
- case 227 /* IfStatement */:
- if (n.elseStatement) {
- return isCompletedNode(n.elseStatement, sourceFile);
- }
- return isCompletedNode(n.thenStatement, sourceFile);
- case 226 /* ExpressionStatement */:
- return isCompletedNode(n.expression, sourceFile) ||
- hasChildOfKind(n, 26 /* SemicolonToken */, sourceFile);
- case 192 /* ArrayLiteralExpression */:
- case 190 /* ArrayBindingPattern */:
- case 195 /* ElementAccessExpression */:
- case 154 /* ComputedPropertyName */:
- case 175 /* TupleType */:
- return nodeEndsWith(n, 23 /* CloseBracketToken */, sourceFile);
- case 167 /* IndexSignature */:
- if (n.type) {
- return isCompletedNode(n.type, sourceFile);
- }
- return hasChildOfKind(n, 23 /* CloseBracketToken */, sourceFile);
- case 277 /* CaseClause */:
- case 278 /* DefaultClause */:
- // there is no such thing as terminator token for CaseClause/DefaultClause so for simplicity always consider them non-completed
- return false;
- case 230 /* ForStatement */:
- case 231 /* ForInStatement */:
- case 232 /* ForOfStatement */:
- case 229 /* WhileStatement */:
- return isCompletedNode(n.statement, sourceFile);
- case 228 /* DoStatement */:
- // rough approximation: if DoStatement has While keyword - then if node is completed is checking the presence of ')';
- return hasChildOfKind(n, 111 /* WhileKeyword */, sourceFile)
- ? nodeEndsWith(n, 21 /* CloseParenToken */, sourceFile)
- : isCompletedNode(n.statement, sourceFile);
- case 172 /* TypeQuery */:
- return isCompletedNode(n.exprName, sourceFile);
- case 204 /* TypeOfExpression */:
- case 203 /* DeleteExpression */:
- case 205 /* VoidExpression */:
- case 212 /* YieldExpression */:
- case 213 /* SpreadElement */:
- var unaryWordExpression = n;
- return isCompletedNode(unaryWordExpression.expression, sourceFile);
- case 198 /* TaggedTemplateExpression */:
- return isCompletedNode(n.template, sourceFile);
- case 211 /* TemplateExpression */:
- var lastSpan = ts.lastOrUndefined(n.templateSpans);
- return isCompletedNode(lastSpan, sourceFile);
- case 221 /* TemplateSpan */:
- return ts.nodeIsPresent(n.literal);
- case 260 /* ExportDeclaration */:
- case 254 /* ImportDeclaration */:
- return ts.nodeIsPresent(n.moduleSpecifier);
- case 207 /* PrefixUnaryExpression */:
- return isCompletedNode(n.operand, sourceFile);
- case 209 /* BinaryExpression */:
- return isCompletedNode(n.right, sourceFile);
- case 210 /* ConditionalExpression */:
- return isCompletedNode(n.whenFalse, sourceFile);
- default:
- return true;
- }
- }
- /*
- * Checks if node ends with 'expectedLastToken'.
- * If child at position 'length - 1' is 'SemicolonToken' it is skipped and 'expectedLastToken' is compared with child at position 'length - 2'.
- */
- function nodeEndsWith(n, expectedLastToken, sourceFile) {
- var children = n.getChildren(sourceFile);
- if (children.length) {
- var lastChild = ts.last(children);
- if (lastChild.kind === expectedLastToken) {
- return true;
- }
- else if (lastChild.kind === 26 /* SemicolonToken */ && children.length !== 1) {
- return children[children.length - 2].kind === expectedLastToken;
- }
- }
- return false;
- }
- function findListItemInfo(node) {
- var list = findContainingList(node);
- // It is possible at this point for syntaxList to be undefined, either if
- // node.parent had no list child, or if none of its list children contained
- // the span of node. If this happens, return undefined. The caller should
- // handle this case.
- if (!list) {
- return undefined;
- }
- var children = list.getChildren();
- var listItemIndex = ts.indexOfNode(children, node);
- return {
- listItemIndex: listItemIndex,
- list: list
- };
- }
- ts.findListItemInfo = findListItemInfo;
- function hasChildOfKind(n, kind, sourceFile) {
- return !!findChildOfKind(n, kind, sourceFile);
- }
- ts.hasChildOfKind = hasChildOfKind;
- function findChildOfKind(n, kind, sourceFile) {
- return ts.find(n.getChildren(sourceFile), function (c) { return c.kind === kind; });
- }
- ts.findChildOfKind = findChildOfKind;
- function findContainingList(node) {
- // The node might be a list element (nonsynthetic) or a comma (synthetic). Either way, it will
- // be parented by the container of the SyntaxList, not the SyntaxList itself.
- // In order to find the list item index, we first need to locate SyntaxList itself and then search
- // for the position of the relevant node (or comma).
- var syntaxList = ts.find(node.parent.getChildren(), function (c) { return ts.isSyntaxList(c) && rangeContainsRange(c, node); });
- // Either we didn't find an appropriate list, or the list must contain us.
- ts.Debug.assert(!syntaxList || ts.contains(syntaxList.getChildren(), node));
- return syntaxList;
- }
- ts.findContainingList = findContainingList;
- function isDefaultModifier(node) {
- return node.kind === 84 /* DefaultKeyword */;
- }
- function isClassKeyword(node) {
- return node.kind === 80 /* ClassKeyword */;
- }
- function isFunctionKeyword(node) {
- return node.kind === 94 /* FunctionKeyword */;
- }
- function getAdjustedLocationForClass(node) {
- if (ts.isNamedDeclaration(node)) {
- return node.name;
- }
- if (ts.isClassDeclaration(node)) {
- // for class and function declarations, use the `default` modifier
- // when the declaration is unnamed.
- var defaultModifier = ts.find(node.modifiers, isDefaultModifier);
- if (defaultModifier)
- return defaultModifier;
- }
- if (ts.isClassExpression(node)) {
- // for class expressions, use the `class` keyword when the class is unnamed
- var classKeyword = ts.find(node.getChildren(), isClassKeyword);
- if (classKeyword)
- return classKeyword;
- }
- }
- function getAdjustedLocationForFunction(node) {
- if (ts.isNamedDeclaration(node)) {
- return node.name;
- }
- if (ts.isFunctionDeclaration(node)) {
- // for class and function declarations, use the `default` modifier
- // when the declaration is unnamed.
- var defaultModifier = ts.find(node.modifiers, isDefaultModifier);
- if (defaultModifier)
- return defaultModifier;
- }
- if (ts.isFunctionExpression(node)) {
- // for function expressions, use the `function` keyword when the function is unnamed
- var functionKeyword = ts.find(node.getChildren(), isFunctionKeyword);
- if (functionKeyword)
- return functionKeyword;
- }
- }
- function getAdjustedLocationForDeclaration(node, forRename) {
- if (!forRename) {
- switch (node.kind) {
- case 245 /* ClassDeclaration */:
- case 214 /* ClassExpression */:
- return getAdjustedLocationForClass(node);
- case 244 /* FunctionDeclaration */:
- case 201 /* FunctionExpression */:
- return getAdjustedLocationForFunction(node);
- }
- }
- if (ts.isNamedDeclaration(node)) {
- return node.name;
- }
- }
- function getAdjustedLocationForImportDeclaration(node, forRename) {
- if (node.importClause) {
- if (node.importClause.name && node.importClause.namedBindings) {
- // do not adjust if we have both a name and named bindings
- return;
- }
- // /**/import [|name|] from ...;
- // import /**/type [|name|] from ...;
- if (node.importClause.name) {
- return node.importClause.name;
- }
- // /**/import { [|name|] } from ...;
- // /**/import { propertyName as [|name|] } from ...;
- // /**/import * as [|name|] from ...;
- // import /**/type { [|name|] } from ...;
- // import /**/type { propertyName as [|name|] } from ...;
- // import /**/type * as [|name|] from ...;
- if (node.importClause.namedBindings) {
- if (ts.isNamedImports(node.importClause.namedBindings)) {
- // do nothing if there is more than one binding
- var onlyBinding = ts.singleOrUndefined(node.importClause.namedBindings.elements);
- if (!onlyBinding) {
- return;
- }
- return onlyBinding.name;
- }
- else if (ts.isNamespaceImport(node.importClause.namedBindings)) {
- return node.importClause.namedBindings.name;
- }
- }
- }
- if (!forRename) {
- // /**/import "[|module|]";
- // /**/import ... from "[|module|]";
- // import /**/type ... from "[|module|]";
- return node.moduleSpecifier;
- }
- }
- function getAdjustedLocationForExportDeclaration(node, forRename) {
- if (node.exportClause) {
- // /**/export { [|name|] } ...
- // /**/export { propertyName as [|name|] } ...
- // /**/export * as [|name|] ...
- // export /**/type { [|name|] } from ...
- // export /**/type { propertyName as [|name|] } from ...
- // export /**/type * as [|name|] ...
- if (ts.isNamedExports(node.exportClause)) {
- // do nothing if there is more than one binding
- var onlyBinding = ts.singleOrUndefined(node.exportClause.elements);
- if (!onlyBinding) {
- return;
- }
- return node.exportClause.elements[0].name;
- }
- else if (ts.isNamespaceExport(node.exportClause)) {
- return node.exportClause.name;
- }
- }
- if (!forRename) {
- // /**/export * from "[|module|]";
- // export /**/type * from "[|module|]";
- return node.moduleSpecifier;
- }
- }
- function getAdjustedLocationForHeritageClause(node) {
- // /**/extends [|name|]
- // /**/implements [|name|]
- if (node.types.length === 1) {
- return node.types[0].expression;
- }
- // /**/extends name1, name2 ...
- // /**/implements name1, name2 ...
- }
- function getAdjustedLocation(node, forRename) {
- var parent = node.parent;
- // /**/<modifier> [|name|] ...
- // /**/<modifier> <class|interface|type|enum|module|namespace|function|get|set> [|name|] ...
- // /**/<class|interface|type|enum|module|namespace|function|get|set> [|name|] ...
- // /**/import [|name|] = ...
- //
- // NOTE: If the node is a modifier, we don't adjust its location if it is the `default` modifier as that is handled
- // specially by `getSymbolAtLocation`.
- if (ts.isModifier(node) && (forRename || node.kind !== 84 /* DefaultKeyword */) ? ts.contains(parent.modifiers, node) :
- node.kind === 80 /* ClassKeyword */ ? ts.isClassDeclaration(parent) || ts.isClassExpression(node) :
- node.kind === 94 /* FunctionKeyword */ ? ts.isFunctionDeclaration(parent) || ts.isFunctionExpression(node) :
- node.kind === 114 /* InterfaceKeyword */ ? ts.isInterfaceDeclaration(parent) :
- node.kind === 88 /* EnumKeyword */ ? ts.isEnumDeclaration(parent) :
- node.kind === 145 /* TypeKeyword */ ? ts.isTypeAliasDeclaration(parent) :
- node.kind === 136 /* NamespaceKeyword */ || node.kind === 135 /* ModuleKeyword */ ? ts.isModuleDeclaration(parent) :
- node.kind === 96 /* ImportKeyword */ ? ts.isImportEqualsDeclaration(parent) :
- node.kind === 131 /* GetKeyword */ ? ts.isGetAccessorDeclaration(parent) :
- node.kind === 142 /* SetKeyword */ && ts.isSetAccessorDeclaration(parent)) {
- var location = getAdjustedLocationForDeclaration(parent, forRename);
- if (location) {
- return location;
- }
- }
- // /**/<var|let|const> [|name|] ...
- if ((node.kind === 109 /* VarKeyword */ || node.kind === 81 /* ConstKeyword */ || node.kind === 115 /* LetKeyword */) &&
- ts.isVariableDeclarationList(parent) && parent.declarations.length === 1) {
- var decl = parent.declarations[0];
- if (ts.isIdentifier(decl.name)) {
- return decl.name;
- }
- }
- if (node.kind === 145 /* TypeKeyword */) {
- // import /**/type [|name|] from ...;
- // import /**/type { [|name|] } from ...;
- // import /**/type { propertyName as [|name|] } from ...;
- // import /**/type ... from "[|module|]";
- if (ts.isImportClause(parent) && parent.isTypeOnly) {
- var location = getAdjustedLocationForImportDeclaration(parent.parent, forRename);
- if (location) {
- return location;
- }
- }
- // export /**/type { [|name|] } from ...;
- // export /**/type { propertyName as [|name|] } from ...;
- // export /**/type * from "[|module|]";
- // export /**/type * as ... from "[|module|]";
- if (ts.isExportDeclaration(parent) && parent.isTypeOnly) {
- var location = getAdjustedLocationForExportDeclaration(parent, forRename);
- if (location) {
- return location;
- }
- }
- }
- // import { propertyName /**/as [|name|] } ...
- // import * /**/as [|name|] ...
- // export { propertyName /**/as [|name|] } ...
- // export * /**/as [|name|] ...
- if (node.kind === 123 /* AsKeyword */) {
- if (ts.isImportSpecifier(parent) && parent.propertyName ||
- ts.isExportSpecifier(parent) && parent.propertyName ||
- ts.isNamespaceImport(parent) ||
- ts.isNamespaceExport(parent)) {
- return parent.name;
- }
- if (ts.isExportDeclaration(parent) && parent.exportClause && ts.isNamespaceExport(parent.exportClause)) {
- return parent.exportClause.name;
- }
- }
- // /**/import [|name|] from ...;
- // /**/import { [|name|] } from ...;
- // /**/import { propertyName as [|name|] } from ...;
- // /**/import ... from "[|module|]";
- // /**/import "[|module|]";
- if (node.kind === 96 /* ImportKeyword */ && ts.isImportDeclaration(parent)) {
- var location = getAdjustedLocationForImportDeclaration(parent, forRename);
- if (location) {
- return location;
- }
- }
- if (node.kind === 89 /* ExportKeyword */) {
- // /**/export { [|name|] } ...;
- // /**/export { propertyName as [|name|] } ...;
- // /**/export * from "[|module|]";
- // /**/export * as ... from "[|module|]";
- if (ts.isExportDeclaration(parent)) {
- var location = getAdjustedLocationForExportDeclaration(parent, forRename);
- if (location) {
- return location;
- }
- }
- // NOTE: We don't adjust the location of the `default` keyword as that is handled specially by `getSymbolAtLocation`.
- // /**/export default [|name|];
- // /**/export = [|name|];
- if (ts.isExportAssignment(parent)) {
- return ts.skipOuterExpressions(parent.expression);
- }
- }
- // import name = /**/require("[|module|]");
- if (node.kind === 139 /* RequireKeyword */ && ts.isExternalModuleReference(parent)) {
- return parent.expression;
- }
- // import ... /**/from "[|module|]";
- // export ... /**/from "[|module|]";
- if (node.kind === 149 /* FromKeyword */ && (ts.isImportDeclaration(parent) || ts.isExportDeclaration(parent)) && parent.moduleSpecifier) {
- return parent.moduleSpecifier;
- }
- // class ... /**/extends [|name|] ...
- // class ... /**/implements [|name|] ...
- // class ... /**/implements name1, name2 ...
- // interface ... /**/extends [|name|] ...
- // interface ... /**/extends name1, name2 ...
- if ((node.kind === 90 /* ExtendsKeyword */ || node.kind === 113 /* ImplementsKeyword */) && ts.isHeritageClause(parent) && parent.token === node.kind) {
- var location = getAdjustedLocationForHeritageClause(parent);
- if (location) {
- return location;
- }
- }
- if (node.kind === 90 /* ExtendsKeyword */) {
- // ... <T /**/extends [|U|]> ...
- if (ts.isTypeParameterDeclaration(parent) && parent.constraint && ts.isTypeReferenceNode(parent.constraint)) {
- return parent.constraint.typeName;
- }
- // ... T /**/extends [|U|] ? ...
- if (ts.isConditionalTypeNode(parent) && ts.isTypeReferenceNode(parent.extendsType)) {
- return parent.extendsType.typeName;
- }
- }
- // ... T extends /**/infer [|U|] ? ...
- if (node.kind === 132 /* InferKeyword */ && ts.isInferTypeNode(parent)) {
- return parent.typeParameter.name;
- }
- // { [ [|K|] /**/in keyof T]: ... }
- if (node.kind === 97 /* InKeyword */ && ts.isTypeParameterDeclaration(parent) && ts.isMappedTypeNode(parent.parent)) {
- return parent.name;
- }
- // /**/keyof [|T|]
- if (node.kind === 134 /* KeyOfKeyword */ && ts.isTypeOperatorNode(parent) && parent.operator === 134 /* KeyOfKeyword */ &&
- ts.isTypeReferenceNode(parent.type)) {
- return parent.type.typeName;
- }
- // /**/readonly [|name|][]
- if (node.kind === 138 /* ReadonlyKeyword */ && ts.isTypeOperatorNode(parent) && parent.operator === 138 /* ReadonlyKeyword */ &&
- ts.isArrayTypeNode(parent.type) && ts.isTypeReferenceNode(parent.type.elementType)) {
- return parent.type.elementType.typeName;
- }
- if (!forRename) {
- // /**/new [|name|]
- // /**/void [|name|]
- // /**/void obj.[|name|]
- // /**/typeof [|name|]
- // /**/typeof obj.[|name|]
- // /**/await [|name|]
- // /**/await obj.[|name|]
- // /**/yield [|name|]
- // /**/yield obj.[|name|]
- // /**/delete obj.[|name|]
- if (node.kind === 99 /* NewKeyword */ && ts.isNewExpression(parent) ||
- node.kind === 110 /* VoidKeyword */ && ts.isVoidExpression(parent) ||
- node.kind === 108 /* TypeOfKeyword */ && ts.isTypeOfExpression(parent) ||
- node.kind === 127 /* AwaitKeyword */ && ts.isAwaitExpression(parent) ||
- node.kind === 121 /* YieldKeyword */ && ts.isYieldExpression(parent) ||
- node.kind === 85 /* DeleteKeyword */ && ts.isDeleteExpression(parent)) {
- if (parent.expression) {
- return ts.skipOuterExpressions(parent.expression);
- }
- }
- // left /**/in [|name|]
- // left /**/instanceof [|name|]
- if ((node.kind === 97 /* InKeyword */ || node.kind === 98 /* InstanceOfKeyword */) && ts.isBinaryExpression(parent) && parent.operatorToken === node) {
- return ts.skipOuterExpressions(parent.right);
- }
- // left /**/as [|name|]
- if (node.kind === 123 /* AsKeyword */ && ts.isAsExpression(parent) && ts.isTypeReferenceNode(parent.type)) {
- return parent.type.typeName;
- }
- // for (... /**/in [|name|])
- // for (... /**/of [|name|])
- if (node.kind === 97 /* InKeyword */ && ts.isForInStatement(parent) ||
- node.kind === 152 /* OfKeyword */ && ts.isForOfStatement(parent)) {
- return ts.skipOuterExpressions(parent.expression);
- }
- }
- return node;
- }
- /**
- * Adjusts the location used for "find references" and "go to definition" when the cursor was not
- * on a property name.
- */
- function getAdjustedReferenceLocation(node) {
- return getAdjustedLocation(node, /*forRename*/ false);
- }
- ts.getAdjustedReferenceLocation = getAdjustedReferenceLocation;
- /**
- * Adjusts the location used for "rename" when the cursor was not on a property name.
- */
- function getAdjustedRenameLocation(node) {
- return getAdjustedLocation(node, /*forRename*/ true);
- }
- ts.getAdjustedRenameLocation = getAdjustedRenameLocation;
- /**
- * Gets the token whose text has range [start, end) and
- * position >= start and (position < end or (position === end && token is literal or keyword or identifier))
- */
- function getTouchingPropertyName(sourceFile, position) {
- return getTouchingToken(sourceFile, position, function (n) { return ts.isPropertyNameLiteral(n) || ts.isKeyword(n.kind) || ts.isPrivateIdentifier(n); });
- }
- ts.getTouchingPropertyName = getTouchingPropertyName;
- /**
- * Returns the token if position is in [start, end).
- * If position === end, returns the preceding token if includeItemAtEndPosition(previousToken) === true
- */
- function getTouchingToken(sourceFile, position, includePrecedingTokenAtEndPosition) {
- return getTokenAtPositionWorker(sourceFile, position, /*allowPositionInLeadingTrivia*/ false, includePrecedingTokenAtEndPosition, /*includeEndPosition*/ false);
- }
- ts.getTouchingToken = getTouchingToken;
- /** Returns a token if position is in [start-of-leading-trivia, end) */
- function getTokenAtPosition(sourceFile, position) {
- return getTokenAtPositionWorker(sourceFile, position, /*allowPositionInLeadingTrivia*/ true, /*includePrecedingTokenAtEndPosition*/ undefined, /*includeEndPosition*/ false);
- }
- ts.getTokenAtPosition = getTokenAtPosition;
- /** Get the token whose text contains the position */
- function getTokenAtPositionWorker(sourceFile, position, allowPositionInLeadingTrivia, includePrecedingTokenAtEndPosition, includeEndPosition) {
- var current = sourceFile;
- outer: while (true) {
- // find the child that contains 'position'
- for (var _i = 0, _a = current.getChildren(sourceFile); _i < _a.length; _i++) {
- var child = _a[_i];
- var start = allowPositionInLeadingTrivia ? child.getFullStart() : child.getStart(sourceFile, /*includeJsDoc*/ true);
- if (start > position) {
- // If this child begins after position, then all subsequent children will as well.
- break;
- }
- var end = child.getEnd();
- if (position < end || (position === end && (child.kind === 1 /* EndOfFileToken */ || includeEndPosition))) {
- current = child;
- continue outer;
- }
- else if (includePrecedingTokenAtEndPosition && end === position) {
- var previousToken = findPrecedingToken(position, sourceFile, child);
- if (previousToken && includePrecedingTokenAtEndPosition(previousToken)) {
- return previousToken;
- }
- }
- }
- return current;
- }
- }
- /**
- * The token on the left of the position is the token that strictly includes the position
- * or sits to the left of the cursor if it is on a boundary. For example
- *
- * fo|o -> will return foo
- * foo <comment> |bar -> will return foo
- *
- */
- function findTokenOnLeftOfPosition(file, position) {
- // Ideally, getTokenAtPosition should return a token. However, it is currently
- // broken, so we do a check to make sure the result was indeed a token.
- var tokenAtPosition = getTokenAtPosition(file, position);
- if (ts.isToken(tokenAtPosition) && position > tokenAtPosition.getStart(file) && position < tokenAtPosition.getEnd()) {
- return tokenAtPosition;
- }
- return findPrecedingToken(position, file);
- }
- ts.findTokenOnLeftOfPosition = findTokenOnLeftOfPosition;
- function findNextToken(previousToken, parent, sourceFile) {
- return find(parent);
- function find(n) {
- if (ts.isToken(n) && n.pos === previousToken.end) {
- // this is token that starts at the end of previous token - return it
- return n;
- }
- return ts.firstDefined(n.getChildren(sourceFile), function (child) {
- var shouldDiveInChildNode =
- // previous token is enclosed somewhere in the child
- (child.pos <= previousToken.pos && child.end > previousToken.end) ||
- // previous token ends exactly at the beginning of child
- (child.pos === previousToken.end);
- return shouldDiveInChildNode && nodeHasTokens(child, sourceFile) ? find(child) : undefined;
- });
- }
- }
- ts.findNextToken = findNextToken;
- /**
- * Finds the rightmost token satisfying `token.end <= position`,
- * excluding `JsxText` tokens containing only whitespace.
- */
- function findPrecedingToken(position, sourceFile, startNode, excludeJsdoc) {
- var result = find(startNode || sourceFile);
- ts.Debug.assert(!(result && isWhiteSpaceOnlyJsxText(result)));
- return result;
- function find(n) {
- if (isNonWhitespaceToken(n) && n.kind !== 1 /* EndOfFileToken */) {
- return n;
- }
- var children = n.getChildren(sourceFile);
- for (var i = 0; i < children.length; i++) {
- var child = children[i];
- // Note that the span of a node's tokens is [node.getStart(...), node.end).
- // Given that `position < child.end` and child has constituent tokens, we distinguish these cases:
- // 1) `position` precedes `child`'s tokens or `child` has no tokens (ie: in a comment or whitespace preceding `child`):
- // we need to find the last token in a previous child.
- // 2) `position` is within the same span: we recurse on `child`.
- if (position < child.end) {
- var start = child.getStart(sourceFile, /*includeJsDoc*/ !excludeJsdoc);
- var lookInPreviousChild = (start >= position) || // cursor in the leading trivia
- !nodeHasTokens(child, sourceFile) ||
- isWhiteSpaceOnlyJsxText(child);
- if (lookInPreviousChild) {
- // actual start of the node is past the position - previous token should be at the end of previous child
- var candidate_1 = findRightmostChildNodeWithTokens(children, /*exclusiveStartPosition*/ i, sourceFile);
- return candidate_1 && findRightmostToken(candidate_1, sourceFile);
- }
- else {
- // candidate should be in this node
- return find(child);
- }
- }
- }
- ts.Debug.assert(startNode !== undefined || n.kind === 290 /* SourceFile */ || n.kind === 1 /* EndOfFileToken */ || ts.isJSDocCommentContainingNode(n));
- // Here we know that none of child token nodes embrace the position,
- // the only known case is when position is at the end of the file.
- // Try to find the rightmost token in the file without filtering.
- // Namely we are skipping the check: 'position < node.end'
- var candidate = findRightmostChildNodeWithTokens(children, /*exclusiveStartPosition*/ children.length, sourceFile);
- return candidate && findRightmostToken(candidate, sourceFile);
- }
- }
- ts.findPrecedingToken = findPrecedingToken;
- function isNonWhitespaceToken(n) {
- return ts.isToken(n) && !isWhiteSpaceOnlyJsxText(n);
- }
- function findRightmostToken(n, sourceFile) {
- if (isNonWhitespaceToken(n)) {
- return n;
- }
- var children = n.getChildren(sourceFile);
- var candidate = findRightmostChildNodeWithTokens(children, /*exclusiveStartPosition*/ children.length, sourceFile);
- return candidate && findRightmostToken(candidate, sourceFile);
- }
- /**
- * Finds the rightmost child to the left of `children[exclusiveStartPosition]` which is a non-all-whitespace token or has constituent tokens.
- */
- function findRightmostChildNodeWithTokens(children, exclusiveStartPosition, sourceFile) {
- for (var i = exclusiveStartPosition - 1; i >= 0; i--) {
- var child = children[i];
- if (isWhiteSpaceOnlyJsxText(child)) {
- ts.Debug.assert(i > 0, "`JsxText` tokens should not be the first child of `JsxElement | JsxSelfClosingElement`");
- }
- else if (nodeHasTokens(children[i], sourceFile)) {
- return children[i];
- }
- }
- }
- function isInString(sourceFile, position, previousToken) {
- if (previousToken === void 0) { previousToken = findPrecedingToken(position, sourceFile); }
- if (previousToken && ts.isStringTextContainingNode(previousToken)) {
- var start = previousToken.getStart(sourceFile);
- var end = previousToken.getEnd();
- // To be "in" one of these literals, the position has to be:
- // 1. entirely within the token text.
- // 2. at the end position of an unterminated token.
- // 3. at the end of a regular expression (due to trailing flags like '/foo/g').
- if (start < position && position < end) {
- return true;
- }
- if (position === end) {
- return !!previousToken.isUnterminated;
- }
- }
- return false;
- }
- ts.isInString = isInString;
- /**
- * returns true if the position is in between the open and close elements of an JSX expression.
- */
- function isInsideJsxElementOrAttribute(sourceFile, position) {
- var token = getTokenAtPosition(sourceFile, position);
- if (!token) {
- return false;
- }
- if (token.kind === 11 /* JsxText */) {
- return true;
- }
- // <div>Hello |</div>
- if (token.kind === 29 /* LessThanToken */ && token.parent.kind === 11 /* JsxText */) {
- return true;
- }
- // <div> { | </div> or <div a={| </div>
- if (token.kind === 29 /* LessThanToken */ && token.parent.kind === 276 /* JsxExpression */) {
- return true;
- }
- // <div> {
- // |
- // } < /div>
- if (token && token.kind === 19 /* CloseBraceToken */ && token.parent.kind === 276 /* JsxExpression */) {
- return true;
- }
- // <div>|</div>
- if (token.kind === 29 /* LessThanToken */ && token.parent.kind === 269 /* JsxClosingElement */) {
- return true;
- }
- return false;
- }
- ts.isInsideJsxElementOrAttribute = isInsideJsxElementOrAttribute;
- function isWhiteSpaceOnlyJsxText(node) {
- return ts.isJsxText(node) && node.containsOnlyTriviaWhiteSpaces;
- }
- function isInTemplateString(sourceFile, position) {
- var token = getTokenAtPosition(sourceFile, position);
- return ts.isTemplateLiteralKind(token.kind) && position > token.getStart(sourceFile);
- }
- ts.isInTemplateString = isInTemplateString;
- function isInJSXText(sourceFile, position) {
- var token = getTokenAtPosition(sourceFile, position);
- if (ts.isJsxText(token)) {
- return true;
- }
- if (token.kind === 18 /* OpenBraceToken */ && ts.isJsxExpression(token.parent) && ts.isJsxElement(token.parent.parent)) {
- return true;
- }
- if (token.kind === 29 /* LessThanToken */ && ts.isJsxOpeningLikeElement(token.parent) && ts.isJsxElement(token.parent.parent)) {
- return true;
- }
- return false;
- }
- ts.isInJSXText = isInJSXText;
- function findPrecedingMatchingToken(token, matchingTokenKind, sourceFile) {
- var tokenKind = token.kind;
- var remainingMatchingTokens = 0;
- while (true) {
- var preceding = findPrecedingToken(token.getFullStart(), sourceFile);
- if (!preceding) {
- return undefined;
- }
- token = preceding;
- if (token.kind === matchingTokenKind) {
- if (remainingMatchingTokens === 0) {
- return token;
- }
- remainingMatchingTokens--;
- }
- else if (token.kind === tokenKind) {
- remainingMatchingTokens++;
- }
- }
- }
- ts.findPrecedingMatchingToken = findPrecedingMatchingToken;
- function removeOptionality(type, isOptionalExpression, isOptionalChain) {
- return isOptionalExpression ? type.getNonNullableType() :
- isOptionalChain ? type.getNonOptionalType() :
- type;
- }
- ts.removeOptionality = removeOptionality;
- function isPossiblyTypeArgumentPosition(token, sourceFile, checker) {
- var info = getPossibleTypeArgumentsInfo(token, sourceFile);
- return info !== undefined && (ts.isPartOfTypeNode(info.called) ||
- getPossibleGenericSignatures(info.called, info.nTypeArguments, checker).length !== 0 ||
- isPossiblyTypeArgumentPosition(info.called, sourceFile, checker));
- }
- ts.isPossiblyTypeArgumentPosition = isPossiblyTypeArgumentPosition;
- function getPossibleGenericSignatures(called, typeArgumentCount, checker) {
- var type = checker.getTypeAtLocation(called);
- if (ts.isOptionalChain(called.parent)) {
- type = removeOptionality(type, ts.isOptionalChainRoot(called.parent), /*isOptionalChain*/ true);
- }
- var signatures = ts.isNewExpression(called.parent) ? type.getConstructSignatures() : type.getCallSignatures();
- return signatures.filter(function (candidate) { return !!candidate.typeParameters && candidate.typeParameters.length >= typeArgumentCount; });
- }
- ts.getPossibleGenericSignatures = getPossibleGenericSignatures;
- // Get info for an expression like `f <` that may be the start of type arguments.
- function getPossibleTypeArgumentsInfo(tokenIn, sourceFile) {
- var token = tokenIn;
- // This function determines if the node could be type argument position
- // Since during editing, when type argument list is not complete,
- // the tree could be of any shape depending on the tokens parsed before current node,
- // scanning of the previous identifier followed by "<" before current node would give us better result
- // Note that we also balance out the already provided type arguments, arrays, object literals while doing so
- var remainingLessThanTokens = 0;
- var nTypeArguments = 0;
- while (token) {
- switch (token.kind) {
- case 29 /* LessThanToken */:
- // Found the beginning of the generic argument expression
- token = findPrecedingToken(token.getFullStart(), sourceFile);
- if (token && token.kind === 28 /* QuestionDotToken */) {
- token = findPrecedingToken(token.getFullStart(), sourceFile);
- }
- if (!token || !ts.isIdentifier(token))
- return undefined;
- if (!remainingLessThanTokens) {
- return ts.isDeclarationName(token) ? undefined : { called: token, nTypeArguments: nTypeArguments };
- }
- remainingLessThanTokens--;
- break;
- case 49 /* GreaterThanGreaterThanGreaterThanToken */:
- remainingLessThanTokens = +3;
- break;
- case 48 /* GreaterThanGreaterThanToken */:
- remainingLessThanTokens = +2;
- break;
- case 31 /* GreaterThanToken */:
- remainingLessThanTokens++;
- break;
- case 19 /* CloseBraceToken */:
- // This can be object type, skip until we find the matching open brace token
- // Skip until the matching open brace token
- token = findPrecedingMatchingToken(token, 18 /* OpenBraceToken */, sourceFile);
- if (!token)
- return undefined;
- break;
- case 21 /* CloseParenToken */:
- // This can be object type, skip until we find the matching open brace token
- // Skip until the matching open brace token
- token = findPrecedingMatchingToken(token, 20 /* OpenParenToken */, sourceFile);
- if (!token)
- return undefined;
- break;
- case 23 /* CloseBracketToken */:
- // This can be object type, skip until we find the matching open brace token
- // Skip until the matching open brace token
- token = findPrecedingMatchingToken(token, 22 /* OpenBracketToken */, sourceFile);
- if (!token)
- return undefined;
- break;
- // Valid tokens in a type name. Skip.
- case 27 /* CommaToken */:
- nTypeArguments++;
- break;
- case 38 /* EqualsGreaterThanToken */:
- // falls through
- case 75 /* Identifier */:
- case 10 /* StringLiteral */:
- case 8 /* NumericLiteral */:
- case 9 /* BigIntLiteral */:
- case 106 /* TrueKeyword */:
- case 91 /* FalseKeyword */:
- // falls through
- case 108 /* TypeOfKeyword */:
- case 90 /* ExtendsKeyword */:
- case 134 /* KeyOfKeyword */:
- case 24 /* DotToken */:
- case 51 /* BarToken */:
- case 57 /* QuestionToken */:
- case 58 /* ColonToken */:
- break;
- default:
- if (ts.isTypeNode(token)) {
- break;
- }
- // Invalid token in type
- return undefined;
- }
- token = findPrecedingToken(token.getFullStart(), sourceFile);
- }
- return undefined;
- }
- ts.getPossibleTypeArgumentsInfo = getPossibleTypeArgumentsInfo;
- /**
- * Returns true if the cursor at position in sourceFile is within a comment.
- *
- * @param tokenAtPosition Must equal `getTokenAtPosition(sourceFile, position)
- * @param predicate Additional predicate to test on the comment range.
- */
- function isInComment(sourceFile, position, tokenAtPosition) {
- return ts.formatting.getRangeOfEnclosingComment(sourceFile, position, /*precedingToken*/ undefined, tokenAtPosition);
- }
- ts.isInComment = isInComment;
- function hasDocComment(sourceFile, position) {
- var token = getTokenAtPosition(sourceFile, position);
- return !!ts.findAncestor(token, ts.isJSDoc);
- }
- ts.hasDocComment = hasDocComment;
- function nodeHasTokens(n, sourceFile) {
- // If we have a token or node that has a non-zero width, it must have tokens.
- // Note: getWidth() does not take trivia into account.
- return n.kind === 1 /* EndOfFileToken */ ? !!n.jsDoc : n.getWidth(sourceFile) !== 0;
- }
- function getNodeModifiers(node) {
- var flags = ts.isDeclaration(node) ? ts.getCombinedModifierFlags(node) : 0 /* None */;
- var result = [];
- if (flags & 8 /* Private */)
- result.push("private" /* privateMemberModifier */);
- if (flags & 16 /* Protected */)
- result.push("protected" /* protectedMemberModifier */);
- if (flags & 4 /* Public */)
- result.push("public" /* publicMemberModifier */);
- if (flags & 32 /* Static */)
- result.push("static" /* staticModifier */);
- if (flags & 128 /* Abstract */)
- result.push("abstract" /* abstractModifier */);
- if (flags & 1 /* Export */)
- result.push("export" /* exportedModifier */);
- if (node.flags & 8388608 /* Ambient */)
- result.push("declare" /* ambientModifier */);
- if (node.kind === 259 /* ExportAssignment */)
- result.push("export" /* exportedModifier */);
- return result.length > 0 ? result.join(",") : "" /* none */;
- }
- ts.getNodeModifiers = getNodeModifiers;
- function getTypeArgumentOrTypeParameterList(node) {
- if (node.kind === 169 /* TypeReference */ || node.kind === 196 /* CallExpression */) {
- return node.typeArguments;
- }
- if (ts.isFunctionLike(node) || node.kind === 245 /* ClassDeclaration */ || node.kind === 246 /* InterfaceDeclaration */) {
- return node.typeParameters;
- }
- return undefined;
- }
- ts.getTypeArgumentOrTypeParameterList = getTypeArgumentOrTypeParameterList;
- function isComment(kind) {
- return kind === 2 /* SingleLineCommentTrivia */ || kind === 3 /* MultiLineCommentTrivia */;
- }
- ts.isComment = isComment;
- function isStringOrRegularExpressionOrTemplateLiteral(kind) {
- if (kind === 10 /* StringLiteral */
- || kind === 13 /* RegularExpressionLiteral */
- || ts.isTemplateLiteralKind(kind)) {
- return true;
- }
- return false;
- }
- ts.isStringOrRegularExpressionOrTemplateLiteral = isStringOrRegularExpressionOrTemplateLiteral;
- function isPunctuation(kind) {
- return 18 /* FirstPunctuation */ <= kind && kind <= 74 /* LastPunctuation */;
- }
- ts.isPunctuation = isPunctuation;
- function isInsideTemplateLiteral(node, position, sourceFile) {
- return ts.isTemplateLiteralKind(node.kind)
- && (node.getStart(sourceFile) < position && position < node.end) || (!!node.isUnterminated && position === node.end);
- }
- ts.isInsideTemplateLiteral = isInsideTemplateLiteral;
- function isAccessibilityModifier(kind) {
- switch (kind) {
- case 119 /* PublicKeyword */:
- case 117 /* PrivateKeyword */:
- case 118 /* ProtectedKeyword */:
- return true;
- }
- return false;
- }
- ts.isAccessibilityModifier = isAccessibilityModifier;
- function cloneCompilerOptions(options) {
- var result = ts.clone(options);
- ts.setConfigFileInOptions(result, options && options.configFile);
- return result;
- }
- ts.cloneCompilerOptions = cloneCompilerOptions;
- function isArrayLiteralOrObjectLiteralDestructuringPattern(node) {
- if (node.kind === 192 /* ArrayLiteralExpression */ ||
- node.kind === 193 /* ObjectLiteralExpression */) {
- // [a,b,c] from:
- // [a, b, c] = someExpression;
- if (node.parent.kind === 209 /* BinaryExpression */ &&
- node.parent.left === node &&
- node.parent.operatorToken.kind === 62 /* EqualsToken */) {
- return true;
- }
- // [a, b, c] from:
- // for([a, b, c] of expression)
- if (node.parent.kind === 232 /* ForOfStatement */ &&
- node.parent.initializer === node) {
- return true;
- }
- // [a, b, c] of
- // [x, [a, b, c] ] = someExpression
- // or
- // {x, a: {a, b, c} } = someExpression
- if (isArrayLiteralOrObjectLiteralDestructuringPattern(node.parent.kind === 281 /* PropertyAssignment */ ? node.parent.parent : node.parent)) {
- return true;
- }
- }
- return false;
- }
- ts.isArrayLiteralOrObjectLiteralDestructuringPattern = isArrayLiteralOrObjectLiteralDestructuringPattern;
- function isInReferenceComment(sourceFile, position) {
- return isInReferenceCommentWorker(sourceFile, position, /*shouldBeReference*/ true);
- }
- ts.isInReferenceComment = isInReferenceComment;
- function isInNonReferenceComment(sourceFile, position) {
- return isInReferenceCommentWorker(sourceFile, position, /*shouldBeReference*/ false);
- }
- ts.isInNonReferenceComment = isInNonReferenceComment;
- function isInReferenceCommentWorker(sourceFile, position, shouldBeReference) {
- var range = isInComment(sourceFile, position, /*tokenAtPosition*/ undefined);
- return !!range && shouldBeReference === tripleSlashDirectivePrefixRegex.test(sourceFile.text.substring(range.pos, range.end));
- }
- function getReplacementSpanForContextToken(contextToken) {
- if (!contextToken)
- return undefined;
- switch (contextToken.kind) {
- case 10 /* StringLiteral */:
- case 14 /* NoSubstitutionTemplateLiteral */:
- return createTextSpanFromStringLiteralLikeContent(contextToken);
- default:
- return createTextSpanFromNode(contextToken);
- }
- }
- ts.getReplacementSpanForContextToken = getReplacementSpanForContextToken;
- function createTextSpanFromNode(node, sourceFile, endNode) {
- return ts.createTextSpanFromBounds(node.getStart(sourceFile), (endNode || node).getEnd());
- }
- ts.createTextSpanFromNode = createTextSpanFromNode;
- function createTextSpanFromStringLiteralLikeContent(node) {
- if (node.isUnterminated)
- return undefined;
- return ts.createTextSpanFromBounds(node.getStart() + 1, node.getEnd() - 1);
- }
- ts.createTextSpanFromStringLiteralLikeContent = createTextSpanFromStringLiteralLikeContent;
- function createTextRangeFromNode(node, sourceFile) {
- return ts.createRange(node.getStart(sourceFile), node.end);
- }
- ts.createTextRangeFromNode = createTextRangeFromNode;
- function createTextSpanFromRange(range) {
- return ts.createTextSpanFromBounds(range.pos, range.end);
- }
- ts.createTextSpanFromRange = createTextSpanFromRange;
- function createTextRangeFromSpan(span) {
- return ts.createRange(span.start, span.start + span.length);
- }
- ts.createTextRangeFromSpan = createTextRangeFromSpan;
- function createTextChangeFromStartLength(start, length, newText) {
- return createTextChange(ts.createTextSpan(start, length), newText);
- }
- ts.createTextChangeFromStartLength = createTextChangeFromStartLength;
- function createTextChange(span, newText) {
- return { span: span, newText: newText };
- }
- ts.createTextChange = createTextChange;
- ts.typeKeywords = [
- 125 /* AnyKeyword */,
- 124 /* AssertsKeyword */,
- 151 /* BigIntKeyword */,
- 128 /* BooleanKeyword */,
- 91 /* FalseKeyword */,
- 134 /* KeyOfKeyword */,
- 137 /* NeverKeyword */,
- 100 /* NullKeyword */,
- 140 /* NumberKeyword */,
- 141 /* ObjectKeyword */,
- 138 /* ReadonlyKeyword */,
- 143 /* StringKeyword */,
- 144 /* SymbolKeyword */,
- 106 /* TrueKeyword */,
- 110 /* VoidKeyword */,
- 146 /* UndefinedKeyword */,
- 147 /* UniqueKeyword */,
- 148 /* UnknownKeyword */,
- ];
- function isTypeKeyword(kind) {
- return ts.contains(ts.typeKeywords, kind);
- }
- ts.isTypeKeyword = isTypeKeyword;
- function isTypeKeywordToken(node) {
- return node.kind === 145 /* TypeKeyword */;
- }
- ts.isTypeKeywordToken = isTypeKeywordToken;
- /** True if the symbol is for an external module, as opposed to a namespace. */
- function isExternalModuleSymbol(moduleSymbol) {
- return !!(moduleSymbol.flags & 1536 /* Module */) && moduleSymbol.name.charCodeAt(0) === 34 /* doubleQuote */;
- }
- ts.isExternalModuleSymbol = isExternalModuleSymbol;
- function nodeSeenTracker() {
- var seen = [];
- return function (node) {
- var id = ts.getNodeId(node);
- return !seen[id] && (seen[id] = true);
- };
- }
- ts.nodeSeenTracker = nodeSeenTracker;
- function getSnapshotText(snap) {
- return snap.getText(0, snap.getLength());
- }
- ts.getSnapshotText = getSnapshotText;
- function repeatString(str, count) {
- var result = "";
- for (var i = 0; i < count; i++) {
- result += str;
- }
- return result;
- }
- ts.repeatString = repeatString;
- function skipConstraint(type) {
- return type.isTypeParameter() ? type.getConstraint() || type : type;
- }
- ts.skipConstraint = skipConstraint;
- function getNameFromPropertyName(name) {
- return name.kind === 154 /* ComputedPropertyName */
- // treat computed property names where expression is string/numeric literal as just string/numeric literal
- ? ts.isStringOrNumericLiteralLike(name.expression) ? name.expression.text : undefined
- : ts.isPrivateIdentifier(name) ? ts.idText(name) : ts.getTextOfIdentifierOrLiteral(name);
- }
- ts.getNameFromPropertyName = getNameFromPropertyName;
- function programContainsModules(program) {
- return program.getSourceFiles().some(function (s) { return !s.isDeclarationFile && !program.isSourceFileFromExternalLibrary(s) && !!(s.externalModuleIndicator || s.commonJsModuleIndicator); });
- }
- ts.programContainsModules = programContainsModules;
- function programContainsEs6Modules(program) {
- return program.getSourceFiles().some(function (s) { return !s.isDeclarationFile && !program.isSourceFileFromExternalLibrary(s) && !!s.externalModuleIndicator; });
- }
- ts.programContainsEs6Modules = programContainsEs6Modules;
- function compilerOptionsIndicateEs6Modules(compilerOptions) {
- return !!compilerOptions.module || compilerOptions.target >= 2 /* ES2015 */ || !!compilerOptions.noEmit;
- }
- ts.compilerOptionsIndicateEs6Modules = compilerOptionsIndicateEs6Modules;
- function createModuleSpecifierResolutionHost(program, host) {
- // Mix in `getProbableSymlinks` from Program when host doesn't have it
- // in order for non-Project hosts to have a symlinks cache.
- return {
- fileExists: function (fileName) { return program.fileExists(fileName); },
- getCurrentDirectory: function () { return host.getCurrentDirectory(); },
- readFile: ts.maybeBind(host, host.readFile),
- useCaseSensitiveFileNames: ts.maybeBind(host, host.useCaseSensitiveFileNames),
- getProbableSymlinks: ts.maybeBind(host, host.getProbableSymlinks) || (function () { return program.getProbableSymlinks(); }),
- getGlobalTypingsCacheLocation: ts.maybeBind(host, host.getGlobalTypingsCacheLocation),
- getSourceFiles: function () { return program.getSourceFiles(); },
- redirectTargetsMap: program.redirectTargetsMap,
- getProjectReferenceRedirect: function (fileName) { return program.getProjectReferenceRedirect(fileName); },
- isSourceOfProjectReferenceRedirect: function (fileName) { return program.isSourceOfProjectReferenceRedirect(fileName); },
- };
- }
- ts.createModuleSpecifierResolutionHost = createModuleSpecifierResolutionHost;
- function getModuleSpecifierResolverHost(program, host) {
- return __assign(__assign({}, createModuleSpecifierResolutionHost(program, host)), { getCommonSourceDirectory: function () { return program.getCommonSourceDirectory(); } });
- }
- ts.getModuleSpecifierResolverHost = getModuleSpecifierResolverHost;
- function makeImportIfNecessary(defaultImport, namedImports, moduleSpecifier, quotePreference) {
- return defaultImport || namedImports && namedImports.length ? makeImport(defaultImport, namedImports, moduleSpecifier, quotePreference) : undefined;
- }
- ts.makeImportIfNecessary = makeImportIfNecessary;
- function makeImport(defaultImport, namedImports, moduleSpecifier, quotePreference, isTypeOnly) {
- return ts.createImportDeclaration(
- /*decorators*/ undefined,
- /*modifiers*/ undefined, defaultImport || namedImports
- ? ts.createImportClause(defaultImport, namedImports && namedImports.length ? ts.createNamedImports(namedImports) : undefined, isTypeOnly)
- : undefined, typeof moduleSpecifier === "string" ? makeStringLiteral(moduleSpecifier, quotePreference) : moduleSpecifier);
- }
- ts.makeImport = makeImport;
- function makeStringLiteral(text, quotePreference) {
- return ts.createLiteral(text, quotePreference === 0 /* Single */);
- }
- ts.makeStringLiteral = makeStringLiteral;
- var QuotePreference;
- (function (QuotePreference) {
- QuotePreference[QuotePreference["Single"] = 0] = "Single";
- QuotePreference[QuotePreference["Double"] = 1] = "Double";
- })(QuotePreference = ts.QuotePreference || (ts.QuotePreference = {}));
- function quotePreferenceFromString(str, sourceFile) {
- return ts.isStringDoubleQuoted(str, sourceFile) ? 1 /* Double */ : 0 /* Single */;
- }
- ts.quotePreferenceFromString = quotePreferenceFromString;
- function getQuotePreference(sourceFile, preferences) {
- if (preferences.quotePreference && preferences.quotePreference !== "auto") {
- return preferences.quotePreference === "single" ? 0 /* Single */ : 1 /* Double */;
- }
- else {
- var firstModuleSpecifier = sourceFile.imports && ts.find(sourceFile.imports, ts.isStringLiteral);
- return firstModuleSpecifier ? quotePreferenceFromString(firstModuleSpecifier, sourceFile) : 1 /* Double */;
- }
- }
- ts.getQuotePreference = getQuotePreference;
- function getQuoteFromPreference(qp) {
- switch (qp) {
- case 0 /* Single */: return "'";
- case 1 /* Double */: return '"';
- default: return ts.Debug.assertNever(qp);
- }
- }
- ts.getQuoteFromPreference = getQuoteFromPreference;
- function symbolNameNoDefault(symbol) {
- var escaped = symbolEscapedNameNoDefault(symbol);
- return escaped === undefined ? undefined : ts.unescapeLeadingUnderscores(escaped);
- }
- ts.symbolNameNoDefault = symbolNameNoDefault;
- function symbolEscapedNameNoDefault(symbol) {
- if (symbol.escapedName !== "default" /* Default */) {
- return symbol.escapedName;
- }
- return ts.firstDefined(symbol.declarations, function (decl) {
- var name = ts.getNameOfDeclaration(decl);
- return name && name.kind === 75 /* Identifier */ ? name.escapedText : undefined;
- });
- }
- ts.symbolEscapedNameNoDefault = symbolEscapedNameNoDefault;
- function isObjectBindingElementWithoutPropertyName(bindingElement) {
- return ts.isBindingElement(bindingElement) &&
- ts.isObjectBindingPattern(bindingElement.parent) &&
- ts.isIdentifier(bindingElement.name) &&
- !bindingElement.propertyName;
- }
- ts.isObjectBindingElementWithoutPropertyName = isObjectBindingElementWithoutPropertyName;
- function getPropertySymbolFromBindingElement(checker, bindingElement) {
- var typeOfPattern = checker.getTypeAtLocation(bindingElement.parent);
- return typeOfPattern && checker.getPropertyOfType(typeOfPattern, bindingElement.name.text);
- }
- ts.getPropertySymbolFromBindingElement = getPropertySymbolFromBindingElement;
- /**
- * Find symbol of the given property-name and add the symbol to the given result array
- * @param symbol a symbol to start searching for the given propertyName
- * @param propertyName a name of property to search for
- * @param result an array of symbol of found property symbols
- * @param previousIterationSymbolsCache a cache of symbol from previous iterations of calling this function to prevent infinite revisiting of the same symbol.
- * The value of previousIterationSymbol is undefined when the function is first called.
- */
- function getPropertySymbolsFromBaseTypes(symbol, propertyName, checker, cb) {
- var seen = ts.createMap();
- return recur(symbol);
- function recur(symbol) {
- // Use `addToSeen` to ensure we don't infinitely recurse in this situation:
- // interface C extends C {
- // /*findRef*/propName: string;
- // }
- if (!(symbol.flags & (32 /* Class */ | 64 /* Interface */)) || !ts.addToSeen(seen, ts.getSymbolId(symbol)))
- return;
- return ts.firstDefined(symbol.declarations, function (declaration) { return ts.firstDefined(ts.getAllSuperTypeNodes(declaration), function (typeReference) {
- var type = checker.getTypeAtLocation(typeReference);
- var propertySymbol = type && type.symbol && checker.getPropertyOfType(type, propertyName);
- // Visit the typeReference as well to see if it directly or indirectly uses that property
- return type && propertySymbol && (ts.firstDefined(checker.getRootSymbols(propertySymbol), cb) || recur(type.symbol));
- }); });
- }
- }
- ts.getPropertySymbolsFromBaseTypes = getPropertySymbolsFromBaseTypes;
- function isMemberSymbolInBaseType(memberSymbol, checker) {
- return getPropertySymbolsFromBaseTypes(memberSymbol.parent, memberSymbol.name, checker, function (_) { return true; }) || false;
- }
- ts.isMemberSymbolInBaseType = isMemberSymbolInBaseType;
- function getParentNodeInSpan(node, file, span) {
- if (!node)
- return undefined;
- while (node.parent) {
- if (ts.isSourceFile(node.parent) || !spanContainsNode(span, node.parent, file)) {
- return node;
- }
- node = node.parent;
- }
- }
- ts.getParentNodeInSpan = getParentNodeInSpan;
- function spanContainsNode(span, node, file) {
- return ts.textSpanContainsPosition(span, node.getStart(file)) &&
- node.getEnd() <= ts.textSpanEnd(span);
- }
- function findModifier(node, kind) {
- return node.modifiers && ts.find(node.modifiers, function (m) { return m.kind === kind; });
- }
- ts.findModifier = findModifier;
- function insertImports(changes, sourceFile, imports, blankLineBetween) {
- var decl = ts.isArray(imports) ? imports[0] : imports;
- var importKindPredicate = decl.kind === 225 /* VariableStatement */ ? ts.isRequireVariableDeclarationStatement : ts.isAnyImportSyntax;
- var lastImportDeclaration = ts.findLast(sourceFile.statements, function (statement) { return importKindPredicate(statement); });
- if (lastImportDeclaration) {
- if (ts.isArray(imports)) {
- changes.insertNodesAfter(sourceFile, lastImportDeclaration, imports);
- }
- else {
- changes.insertNodeAfter(sourceFile, lastImportDeclaration, imports);
- }
- }
- else if (ts.isArray(imports)) {
- changes.insertNodesAtTopOfFile(sourceFile, imports, blankLineBetween);
- }
- else {
- changes.insertNodeAtTopOfFile(sourceFile, imports, blankLineBetween);
- }
- }
- ts.insertImports = insertImports;
- function getTypeKeywordOfTypeOnlyImport(importClause, sourceFile) {
- ts.Debug.assert(importClause.isTypeOnly);
- return ts.cast(importClause.getChildAt(0, sourceFile), isTypeKeywordToken);
- }
- ts.getTypeKeywordOfTypeOnlyImport = getTypeKeywordOfTypeOnlyImport;
- function textSpansEqual(a, b) {
- return !!a && !!b && a.start === b.start && a.length === b.length;
- }
- ts.textSpansEqual = textSpansEqual;
- function documentSpansEqual(a, b) {
- return a.fileName === b.fileName && textSpansEqual(a.textSpan, b.textSpan);
- }
- ts.documentSpansEqual = documentSpansEqual;
- /**
- * Iterates through 'array' by index and performs the callback on each element of array until the callback
- * returns a truthy value, then returns that value.
- * If no such value is found, the callback is applied to each element of array and undefined is returned.
- */
- function forEachUnique(array, callback) {
- if (array) {
- for (var i = 0; i < array.length; i++) {
- if (array.indexOf(array[i]) === i) {
- var result = callback(array[i], i);
- if (result) {
- return result;
- }
- }
- }
- }
- return undefined;
- }
- ts.forEachUnique = forEachUnique;
- // #endregion
- // Display-part writer helpers
- // #region
- function isFirstDeclarationOfSymbolParameter(symbol) {
- return symbol.declarations && symbol.declarations.length > 0 && symbol.declarations[0].kind === 156 /* Parameter */;
- }
- ts.isFirstDeclarationOfSymbolParameter = isFirstDeclarationOfSymbolParameter;
- var displayPartWriter = getDisplayPartWriter();
- function getDisplayPartWriter() {
- var absoluteMaximumLength = ts.defaultMaximumTruncationLength * 10; // A hard cutoff to avoid overloading the messaging channel in worst-case scenarios
- var displayParts;
- var lineStart;
- var indent;
- var length;
- resetWriter();
- var unknownWrite = function (text) { return writeKind(text, ts.SymbolDisplayPartKind.text); };
- return {
- displayParts: function () {
- var finalText = displayParts.length && displayParts[displayParts.length - 1].text;
- if (length > absoluteMaximumLength && finalText && finalText !== "...") {
- if (!ts.isWhiteSpaceLike(finalText.charCodeAt(finalText.length - 1))) {
- displayParts.push(displayPart(" ", ts.SymbolDisplayPartKind.space));
- }
- displayParts.push(displayPart("...", ts.SymbolDisplayPartKind.punctuation));
- }
- return displayParts;
- },
- writeKeyword: function (text) { return writeKind(text, ts.SymbolDisplayPartKind.keyword); },
- writeOperator: function (text) { return writeKind(text, ts.SymbolDisplayPartKind.operator); },
- writePunctuation: function (text) { return writeKind(text, ts.SymbolDisplayPartKind.punctuation); },
- writeTrailingSemicolon: function (text) { return writeKind(text, ts.SymbolDisplayPartKind.punctuation); },
- writeSpace: function (text) { return writeKind(text, ts.SymbolDisplayPartKind.space); },
- writeStringLiteral: function (text) { return writeKind(text, ts.SymbolDisplayPartKind.stringLiteral); },
- writeParameter: function (text) { return writeKind(text, ts.SymbolDisplayPartKind.parameterName); },
- writeProperty: function (text) { return writeKind(text, ts.SymbolDisplayPartKind.propertyName); },
- writeLiteral: function (text) { return writeKind(text, ts.SymbolDisplayPartKind.stringLiteral); },
- writeSymbol: writeSymbol,
- writeLine: writeLine,
- write: unknownWrite,
- writeComment: unknownWrite,
- getText: function () { return ""; },
- getTextPos: function () { return 0; },
- getColumn: function () { return 0; },
- getLine: function () { return 0; },
- isAtStartOfLine: function () { return false; },
- hasTrailingWhitespace: function () { return false; },
- hasTrailingComment: function () { return false; },
- rawWrite: ts.notImplemented,
- getIndent: function () { return indent; },
- increaseIndent: function () { indent++; },
- decreaseIndent: function () { indent--; },
- clear: resetWriter,
- trackSymbol: ts.noop,
- reportInaccessibleThisError: ts.noop,
- reportInaccessibleUniqueSymbolError: ts.noop,
- reportPrivateInBaseOfClassExpression: ts.noop,
- };
- function writeIndent() {
- if (length > absoluteMaximumLength)
- return;
- if (lineStart) {
- var indentString = ts.getIndentString(indent);
- if (indentString) {
- length += indentString.length;
- displayParts.push(displayPart(indentString, ts.SymbolDisplayPartKind.space));
- }
- lineStart = false;
- }
- }
- function writeKind(text, kind) {
- if (length > absoluteMaximumLength)
- return;
- writeIndent();
- length += text.length;
- displayParts.push(displayPart(text, kind));
- }
- function writeSymbol(text, symbol) {
- if (length > absoluteMaximumLength)
- return;
- writeIndent();
- length += text.length;
- displayParts.push(symbolPart(text, symbol));
- }
- function writeLine() {
- if (length > absoluteMaximumLength)
- return;
- length += 1;
- displayParts.push(lineBreakPart());
- lineStart = true;
- }
- function resetWriter() {
- displayParts = [];
- lineStart = true;
- indent = 0;
- length = 0;
- }
- }
- function symbolPart(text, symbol) {
- return displayPart(text, displayPartKind(symbol));
- function displayPartKind(symbol) {
- var flags = symbol.flags;
- if (flags & 3 /* Variable */) {
- return isFirstDeclarationOfSymbolParameter(symbol) ? ts.SymbolDisplayPartKind.parameterName : ts.SymbolDisplayPartKind.localName;
- }
- else if (flags & 4 /* Property */) {
- return ts.SymbolDisplayPartKind.propertyName;
- }
- else if (flags & 32768 /* GetAccessor */) {
- return ts.SymbolDisplayPartKind.propertyName;
- }
- else if (flags & 65536 /* SetAccessor */) {
- return ts.SymbolDisplayPartKind.propertyName;
- }
- else if (flags & 8 /* EnumMember */) {
- return ts.SymbolDisplayPartKind.enumMemberName;
- }
- else if (flags & 16 /* Function */) {
- return ts.SymbolDisplayPartKind.functionName;
- }
- else if (flags & 32 /* Class */) {
- return ts.SymbolDisplayPartKind.className;
- }
- else if (flags & 64 /* Interface */) {
- return ts.SymbolDisplayPartKind.interfaceName;
- }
- else if (flags & 384 /* Enum */) {
- return ts.SymbolDisplayPartKind.enumName;
- }
- else if (flags & 1536 /* Module */) {
- return ts.SymbolDisplayPartKind.moduleName;
- }
- else if (flags & 8192 /* Method */) {
- return ts.SymbolDisplayPartKind.methodName;
- }
- else if (flags & 262144 /* TypeParameter */) {
- return ts.SymbolDisplayPartKind.typeParameterName;
- }
- else if (flags & 524288 /* TypeAlias */) {
- return ts.SymbolDisplayPartKind.aliasName;
- }
- else if (flags & 2097152 /* Alias */) {
- return ts.SymbolDisplayPartKind.aliasName;
- }
- return ts.SymbolDisplayPartKind.text;
- }
- }
- ts.symbolPart = symbolPart;
- function displayPart(text, kind) {
- return { text: text, kind: ts.SymbolDisplayPartKind[kind] };
- }
- ts.displayPart = displayPart;
- function spacePart() {
- return displayPart(" ", ts.SymbolDisplayPartKind.space);
- }
- ts.spacePart = spacePart;
- function keywordPart(kind) {
- return displayPart(ts.tokenToString(kind), ts.SymbolDisplayPartKind.keyword);
- }
- ts.keywordPart = keywordPart;
- function punctuationPart(kind) {
- return displayPart(ts.tokenToString(kind), ts.SymbolDisplayPartKind.punctuation);
- }
- ts.punctuationPart = punctuationPart;
- function operatorPart(kind) {
- return displayPart(ts.tokenToString(kind), ts.SymbolDisplayPartKind.operator);
- }
- ts.operatorPart = operatorPart;
- function textOrKeywordPart(text) {
- var kind = ts.stringToToken(text);
- return kind === undefined
- ? textPart(text)
- : keywordPart(kind);
- }
- ts.textOrKeywordPart = textOrKeywordPart;
- function textPart(text) {
- return displayPart(text, ts.SymbolDisplayPartKind.text);
- }
- ts.textPart = textPart;
- var carriageReturnLineFeed = "\r\n";
- /**
- * The default is CRLF.
- */
- function getNewLineOrDefaultFromHost(host, formatSettings) {
- var _a;
- return (formatSettings === null || formatSettings === void 0 ? void 0 : formatSettings.newLineCharacter) || ((_a = host.getNewLine) === null || _a === void 0 ? void 0 : _a.call(host)) ||
- carriageReturnLineFeed;
- }
- ts.getNewLineOrDefaultFromHost = getNewLineOrDefaultFromHost;
- function lineBreakPart() {
- return displayPart("\n", ts.SymbolDisplayPartKind.lineBreak);
- }
- ts.lineBreakPart = lineBreakPart;
- function mapToDisplayParts(writeDisplayParts) {
- try {
- writeDisplayParts(displayPartWriter);
- return displayPartWriter.displayParts();
- }
- finally {
- displayPartWriter.clear();
- }
- }
- ts.mapToDisplayParts = mapToDisplayParts;
- function typeToDisplayParts(typechecker, type, enclosingDeclaration, flags) {
- if (flags === void 0) { flags = 0 /* None */; }
- return mapToDisplayParts(function (writer) {
- typechecker.writeType(type, enclosingDeclaration, flags | 1024 /* MultilineObjectLiterals */ | 16384 /* UseAliasDefinedOutsideCurrentScope */, writer);
- });
- }
- ts.typeToDisplayParts = typeToDisplayParts;
- function symbolToDisplayParts(typeChecker, symbol, enclosingDeclaration, meaning, flags) {
- if (flags === void 0) { flags = 0 /* None */; }
- return mapToDisplayParts(function (writer) {
- typeChecker.writeSymbol(symbol, enclosingDeclaration, meaning, flags | 8 /* UseAliasDefinedOutsideCurrentScope */, writer);
- });
- }
- ts.symbolToDisplayParts = symbolToDisplayParts;
- function signatureToDisplayParts(typechecker, signature, enclosingDeclaration, flags) {
- if (flags === void 0) { flags = 0 /* None */; }
- flags |= 16384 /* UseAliasDefinedOutsideCurrentScope */ | 1024 /* MultilineObjectLiterals */ | 32 /* WriteTypeArgumentsOfSignature */ | 8192 /* OmitParameterModifiers */;
- return mapToDisplayParts(function (writer) {
- typechecker.writeSignature(signature, enclosingDeclaration, flags, /*signatureKind*/ undefined, writer);
- });
- }
- ts.signatureToDisplayParts = signatureToDisplayParts;
- function isImportOrExportSpecifierName(location) {
- return !!location.parent && ts.isImportOrExportSpecifier(location.parent) && location.parent.propertyName === location;
- }
- ts.isImportOrExportSpecifierName = isImportOrExportSpecifierName;
- function scriptKindIs(fileName, host) {
- var scriptKinds = [];
- for (var _i = 2; _i < arguments.length; _i++) {
- scriptKinds[_i - 2] = arguments[_i];
- }
- var scriptKind = getScriptKind(fileName, host);
- return ts.some(scriptKinds, function (k) { return k === scriptKind; });
- }
- ts.scriptKindIs = scriptKindIs;
- function getScriptKind(fileName, host) {
- // First check to see if the script kind was specified by the host. Chances are the host
- // may override the default script kind for the file extension.
- return ts.ensureScriptKind(fileName, host && host.getScriptKind && host.getScriptKind(fileName));
- }
- ts.getScriptKind = getScriptKind;
- function getSymbolTarget(symbol, checker) {
- var next = symbol;
- while (isAliasSymbol(next) || (isTransientSymbol(next) && next.target)) {
- if (isTransientSymbol(next) && next.target) {
- next = next.target;
- }
- else {
- next = ts.skipAlias(next, checker);
- }
- }
- return next;
- }
- ts.getSymbolTarget = getSymbolTarget;
- function isTransientSymbol(symbol) {
- return (symbol.flags & 33554432 /* Transient */) !== 0;
- }
- function isAliasSymbol(symbol) {
- return (symbol.flags & 2097152 /* Alias */) !== 0;
- }
- function getUniqueSymbolId(symbol, checker) {
- return ts.getSymbolId(ts.skipAlias(symbol, checker));
- }
- ts.getUniqueSymbolId = getUniqueSymbolId;
- function getFirstNonSpaceCharacterPosition(text, position) {
- while (ts.isWhiteSpaceLike(text.charCodeAt(position))) {
- position += 1;
- }
- return position;
- }
- ts.getFirstNonSpaceCharacterPosition = getFirstNonSpaceCharacterPosition;
- function getPrecedingNonSpaceCharacterPosition(text, position) {
- while (position > -1 && ts.isWhiteSpaceSingleLine(text.charCodeAt(position))) {
- position -= 1;
- }
- return position + 1;
- }
- ts.getPrecedingNonSpaceCharacterPosition = getPrecedingNonSpaceCharacterPosition;
- /**
- * Creates a deep, memberwise clone of a node with no source map location.
- *
- * WARNING: This is an expensive operation and is only intended to be used in refactorings
- * and code fixes (because those are triggered by explicit user actions).
- */
- function getSynthesizedDeepClone(node, includeTrivia) {
- if (includeTrivia === void 0) { includeTrivia = true; }
- var clone = node && getSynthesizedDeepCloneWorker(node);
- if (clone && !includeTrivia)
- suppressLeadingAndTrailingTrivia(clone);
- return clone;
- }
- ts.getSynthesizedDeepClone = getSynthesizedDeepClone;
- function getSynthesizedDeepCloneWithRenames(node, includeTrivia, renameMap, checker, callback) {
- if (includeTrivia === void 0) { includeTrivia = true; }
- var clone;
- if (renameMap && checker && ts.isBindingElement(node) && ts.isIdentifier(node.name) && ts.isObjectBindingPattern(node.parent)) {
- var symbol = checker.getSymbolAtLocation(node.name);
- var renameInfo = symbol && renameMap.get(String(ts.getSymbolId(symbol)));
- if (renameInfo && renameInfo.text !== (node.name || node.propertyName).getText()) {
- clone = ts.setOriginalNode(ts.createBindingElement(node.dotDotDotToken, node.propertyName || node.name, renameInfo, node.initializer), node);
- }
- }
- else if (renameMap && checker && ts.isIdentifier(node)) {
- var symbol = checker.getSymbolAtLocation(node);
- var renameInfo = symbol && renameMap.get(String(ts.getSymbolId(symbol)));
- if (renameInfo) {
- clone = ts.setOriginalNode(ts.createIdentifier(renameInfo.text), node);
- }
- }
- if (!clone) {
- clone = getSynthesizedDeepCloneWorker(node, renameMap, checker, callback);
- }
- if (clone && !includeTrivia)
- suppressLeadingAndTrailingTrivia(clone);
- if (callback && clone)
- callback(node, clone);
- return clone;
- }
- ts.getSynthesizedDeepCloneWithRenames = getSynthesizedDeepCloneWithRenames;
- function getSynthesizedDeepCloneWorker(node, renameMap, checker, callback) {
- var visited = (renameMap || checker || callback) ?
- ts.visitEachChild(node, wrapper, ts.nullTransformationContext) :
- ts.visitEachChild(node, getSynthesizedDeepClone, ts.nullTransformationContext);
- if (visited === node) {
- // This only happens for leaf nodes - internal nodes always see their children change.
- var clone_1 = ts.getSynthesizedClone(node);
- if (ts.isStringLiteral(clone_1)) {
- clone_1.textSourceNode = node;
- }
- else if (ts.isNumericLiteral(clone_1)) {
- clone_1.numericLiteralFlags = node.numericLiteralFlags;
- }
- return ts.setTextRange(clone_1, node);
- }
- // PERF: As an optimization, rather than calling getSynthesizedClone, we'll update
- // the new node created by visitEachChild with the extra changes getSynthesizedClone
- // would have made.
- visited.parent = undefined;
- return visited;
- function wrapper(node) {
- return getSynthesizedDeepCloneWithRenames(node, /*includeTrivia*/ true, renameMap, checker, callback);
- }
- }
- function getSynthesizedDeepClones(nodes, includeTrivia) {
- if (includeTrivia === void 0) { includeTrivia = true; }
- return nodes && ts.createNodeArray(nodes.map(function (n) { return getSynthesizedDeepClone(n, includeTrivia); }), nodes.hasTrailingComma);
- }
- ts.getSynthesizedDeepClones = getSynthesizedDeepClones;
- /**
- * Sets EmitFlags to suppress leading and trailing trivia on the node.
- */
- function suppressLeadingAndTrailingTrivia(node) {
- suppressLeadingTrivia(node);
- suppressTrailingTrivia(node);
- }
- ts.suppressLeadingAndTrailingTrivia = suppressLeadingAndTrailingTrivia;
- /**
- * Sets EmitFlags to suppress leading trivia on the node.
- */
- function suppressLeadingTrivia(node) {
- addEmitFlagsRecursively(node, 512 /* NoLeadingComments */, getFirstChild);
- }
- ts.suppressLeadingTrivia = suppressLeadingTrivia;
- /**
- * Sets EmitFlags to suppress trailing trivia on the node.
- */
- function suppressTrailingTrivia(node) {
- addEmitFlagsRecursively(node, 1024 /* NoTrailingComments */, ts.getLastChild);
- }
- ts.suppressTrailingTrivia = suppressTrailingTrivia;
- function copyComments(sourceNode, targetNode) {
- var sourceFile = sourceNode.getSourceFile();
- var text = sourceFile.text;
- if (hasLeadingLineBreak(sourceNode, text)) {
- copyLeadingComments(sourceNode, targetNode, sourceFile);
- }
- else {
- copyTrailingAsLeadingComments(sourceNode, targetNode, sourceFile);
- }
- copyTrailingComments(sourceNode, targetNode, sourceFile);
- }
- ts.copyComments = copyComments;
- function hasLeadingLineBreak(node, text) {
- var start = node.getFullStart();
- var end = node.getStart();
- for (var i = start; i < end; i++) {
- if (text.charCodeAt(i) === 10 /* lineFeed */)
- return true;
- }
- return false;
- }
- function addEmitFlagsRecursively(node, flag, getChild) {
- ts.addEmitFlags(node, flag);
- var child = getChild(node);
- if (child)
- addEmitFlagsRecursively(child, flag, getChild);
- }
- function getFirstChild(node) {
- return node.forEachChild(function (child) { return child; });
- }
- function getUniqueName(baseName, sourceFile) {
- var nameText = baseName;
- for (var i = 1; !ts.isFileLevelUniqueName(sourceFile, nameText); i++) {
- nameText = baseName + "_" + i;
- }
- return nameText;
- }
- ts.getUniqueName = getUniqueName;
- /**
- * @return The index of the (only) reference to the extracted symbol. We want the cursor
- * to be on the reference, rather than the declaration, because it's closer to where the
- * user was before extracting it.
- */
- function getRenameLocation(edits, renameFilename, name, preferLastLocation) {
- var delta = 0;
- var lastPos = -1;
- for (var _i = 0, edits_1 = edits; _i < edits_1.length; _i++) {
- var _a = edits_1[_i], fileName = _a.fileName, textChanges_2 = _a.textChanges;
- ts.Debug.assert(fileName === renameFilename);
- for (var _b = 0, textChanges_1 = textChanges_2; _b < textChanges_1.length; _b++) {
- var change = textChanges_1[_b];
- var span = change.span, newText = change.newText;
- var index = indexInTextChange(newText, name);
- if (index !== -1) {
- lastPos = span.start + delta + index;
- // If the reference comes first, return immediately.
- if (!preferLastLocation) {
- return lastPos;
- }
- }
- delta += newText.length - span.length;
- }
- }
- // If the declaration comes first, return the position of the last occurrence.
- ts.Debug.assert(preferLastLocation);
- ts.Debug.assert(lastPos >= 0);
- return lastPos;
- }
- ts.getRenameLocation = getRenameLocation;
- function copyLeadingComments(sourceNode, targetNode, sourceFile, commentKind, hasTrailingNewLine) {
- ts.forEachLeadingCommentRange(sourceFile.text, sourceNode.pos, getAddCommentsFunction(targetNode, sourceFile, commentKind, hasTrailingNewLine, ts.addSyntheticLeadingComment));
- }
- ts.copyLeadingComments = copyLeadingComments;
- function copyTrailingComments(sourceNode, targetNode, sourceFile, commentKind, hasTrailingNewLine) {
- ts.forEachTrailingCommentRange(sourceFile.text, sourceNode.end, getAddCommentsFunction(targetNode, sourceFile, commentKind, hasTrailingNewLine, ts.addSyntheticTrailingComment));
- }
- ts.copyTrailingComments = copyTrailingComments;
- /**
- * This function copies the trailing comments for the token that comes before `sourceNode`, as leading comments of `targetNode`.
- * This is useful because sometimes a comment that refers to `sourceNode` will be a leading comment for `sourceNode`, according to the
- * notion of trivia ownership, and instead will be a trailing comment for the token before `sourceNode`, e.g.:
- * `function foo(\* not leading comment for a *\ a: string) {}`
- * The comment refers to `a` but belongs to the `(` token, but we might want to copy it.
- */
- function copyTrailingAsLeadingComments(sourceNode, targetNode, sourceFile, commentKind, hasTrailingNewLine) {
- ts.forEachTrailingCommentRange(sourceFile.text, sourceNode.pos, getAddCommentsFunction(targetNode, sourceFile, commentKind, hasTrailingNewLine, ts.addSyntheticLeadingComment));
- }
- ts.copyTrailingAsLeadingComments = copyTrailingAsLeadingComments;
- function getAddCommentsFunction(targetNode, sourceFile, commentKind, hasTrailingNewLine, cb) {
- return function (pos, end, kind, htnl) {
- if (kind === 3 /* MultiLineCommentTrivia */) {
- // Remove leading /*
- pos += 2;
- // Remove trailing */
- end -= 2;
- }
- else {
- // Remove leading //
- pos += 2;
- }
- cb(targetNode, commentKind || kind, sourceFile.text.slice(pos, end), hasTrailingNewLine !== undefined ? hasTrailingNewLine : htnl);
- };
- }
- function indexInTextChange(change, name) {
- if (ts.startsWith(change, name))
- return 0;
- // Add a " " to avoid references inside words
- var idx = change.indexOf(" " + name);
- if (idx === -1)
- idx = change.indexOf("." + name);
- if (idx === -1)
- idx = change.indexOf('"' + name);
- return idx === -1 ? -1 : idx + 1;
- }
- /* @internal */
- function needsParentheses(expression) {
- return ts.isBinaryExpression(expression) && expression.operatorToken.kind === 27 /* CommaToken */ || ts.isObjectLiteralExpression(expression);
- }
- ts.needsParentheses = needsParentheses;
- function getContextualTypeFromParent(node, checker) {
- var parent = node.parent;
- switch (parent.kind) {
- case 197 /* NewExpression */:
- return checker.getContextualType(parent);
- case 209 /* BinaryExpression */: {
- var _a = parent, left = _a.left, operatorToken = _a.operatorToken, right = _a.right;
- return isEqualityOperatorKind(operatorToken.kind)
- ? checker.getTypeAtLocation(node === right ? left : right)
- : checker.getContextualType(node);
- }
- case 277 /* CaseClause */:
- return parent.expression === node ? getSwitchedType(parent, checker) : undefined;
- default:
- return checker.getContextualType(node);
- }
- }
- ts.getContextualTypeFromParent = getContextualTypeFromParent;
- function quote(text, preferences) {
- // Editors can pass in undefined or empty string - we want to infer the preference in those cases.
- var quotePreference = preferences.quotePreference || "auto";
- var quoted = JSON.stringify(text);
- switch (quotePreference) {
- // TODO use getQuotePreference to infer the actual quote style.
- case "auto":
- case "double":
- return quoted;
- case "single":
- return "'" + ts.stripQuotes(quoted).replace("'", "\\'").replace('\\"', '"') + "'";
- default:
- return ts.Debug.assertNever(quotePreference);
- }
- }
- ts.quote = quote;
- function isEqualityOperatorKind(kind) {
- switch (kind) {
- case 36 /* EqualsEqualsEqualsToken */:
- case 34 /* EqualsEqualsToken */:
- case 37 /* ExclamationEqualsEqualsToken */:
- case 35 /* ExclamationEqualsToken */:
- return true;
- default:
- return false;
- }
- }
- ts.isEqualityOperatorKind = isEqualityOperatorKind;
- function isStringLiteralOrTemplate(node) {
- switch (node.kind) {
- case 10 /* StringLiteral */:
- case 14 /* NoSubstitutionTemplateLiteral */:
- case 211 /* TemplateExpression */:
- case 198 /* TaggedTemplateExpression */:
- return true;
- default:
- return false;
- }
- }
- ts.isStringLiteralOrTemplate = isStringLiteralOrTemplate;
- function hasIndexSignature(type) {
- return !!type.getStringIndexType() || !!type.getNumberIndexType();
- }
- ts.hasIndexSignature = hasIndexSignature;
- function getSwitchedType(caseClause, checker) {
- return checker.getTypeAtLocation(caseClause.parent.parent.expression);
- }
- ts.getSwitchedType = getSwitchedType;
- ts.ANONYMOUS = "anonymous function";
- function getTypeNodeIfAccessible(type, enclosingScope, program, host) {
- var checker = program.getTypeChecker();
- var typeIsAccessible = true;
- var notAccessible = function () { typeIsAccessible = false; };
- var res = checker.typeToTypeNode(type, enclosingScope, /*flags*/ undefined, {
- trackSymbol: function (symbol, declaration, meaning) {
- typeIsAccessible = typeIsAccessible && checker.isSymbolAccessible(symbol, declaration, meaning, /*shouldComputeAliasToMarkVisible*/ false).accessibility === 0 /* Accessible */;
- },
- reportInaccessibleThisError: notAccessible,
- reportPrivateInBaseOfClassExpression: notAccessible,
- reportInaccessibleUniqueSymbolError: notAccessible,
- moduleResolverHost: getModuleSpecifierResolverHost(program, host)
- });
- return typeIsAccessible ? res : undefined;
- }
- ts.getTypeNodeIfAccessible = getTypeNodeIfAccessible;
- function syntaxRequiresTrailingCommaOrSemicolonOrASI(kind) {
- return kind === 165 /* CallSignature */
- || kind === 166 /* ConstructSignature */
- || kind === 167 /* IndexSignature */
- || kind === 158 /* PropertySignature */
- || kind === 160 /* MethodSignature */;
- }
- ts.syntaxRequiresTrailingCommaOrSemicolonOrASI = syntaxRequiresTrailingCommaOrSemicolonOrASI;
- function syntaxRequiresTrailingFunctionBlockOrSemicolonOrASI(kind) {
- return kind === 244 /* FunctionDeclaration */
- || kind === 162 /* Constructor */
- || kind === 161 /* MethodDeclaration */
- || kind === 163 /* GetAccessor */
- || kind === 164 /* SetAccessor */;
- }
- ts.syntaxRequiresTrailingFunctionBlockOrSemicolonOrASI = syntaxRequiresTrailingFunctionBlockOrSemicolonOrASI;
- function syntaxRequiresTrailingModuleBlockOrSemicolonOrASI(kind) {
- return kind === 249 /* ModuleDeclaration */;
- }
- ts.syntaxRequiresTrailingModuleBlockOrSemicolonOrASI = syntaxRequiresTrailingModuleBlockOrSemicolonOrASI;
- function syntaxRequiresTrailingSemicolonOrASI(kind) {
- return kind === 225 /* VariableStatement */
- || kind === 226 /* ExpressionStatement */
- || kind === 228 /* DoStatement */
- || kind === 233 /* ContinueStatement */
- || kind === 234 /* BreakStatement */
- || kind === 235 /* ReturnStatement */
- || kind === 239 /* ThrowStatement */
- || kind === 241 /* DebuggerStatement */
- || kind === 159 /* PropertyDeclaration */
- || kind === 247 /* TypeAliasDeclaration */
- || kind === 254 /* ImportDeclaration */
- || kind === 253 /* ImportEqualsDeclaration */
- || kind === 260 /* ExportDeclaration */
- || kind === 252 /* NamespaceExportDeclaration */
- || kind === 259 /* ExportAssignment */;
- }
- ts.syntaxRequiresTrailingSemicolonOrASI = syntaxRequiresTrailingSemicolonOrASI;
- ts.syntaxMayBeASICandidate = ts.or(syntaxRequiresTrailingCommaOrSemicolonOrASI, syntaxRequiresTrailingFunctionBlockOrSemicolonOrASI, syntaxRequiresTrailingModuleBlockOrSemicolonOrASI, syntaxRequiresTrailingSemicolonOrASI);
- function nodeIsASICandidate(node, sourceFile) {
- var lastToken = node.getLastToken(sourceFile);
- if (lastToken && lastToken.kind === 26 /* SemicolonToken */) {
- return false;
- }
- if (syntaxRequiresTrailingCommaOrSemicolonOrASI(node.kind)) {
- if (lastToken && lastToken.kind === 27 /* CommaToken */) {
- return false;
- }
- }
- else if (syntaxRequiresTrailingModuleBlockOrSemicolonOrASI(node.kind)) {
- var lastChild = ts.last(node.getChildren(sourceFile));
- if (lastChild && ts.isModuleBlock(lastChild)) {
- return false;
- }
- }
- else if (syntaxRequiresTrailingFunctionBlockOrSemicolonOrASI(node.kind)) {
- var lastChild = ts.last(node.getChildren(sourceFile));
- if (lastChild && ts.isFunctionBlock(lastChild)) {
- return false;
- }
- }
- else if (!syntaxRequiresTrailingSemicolonOrASI(node.kind)) {
- return false;
- }
- // See comment in parser’s `parseDoStatement`
- if (node.kind === 228 /* DoStatement */) {
- return true;
- }
- var topNode = ts.findAncestor(node, function (ancestor) { return !ancestor.parent; });
- var nextToken = findNextToken(node, topNode, sourceFile);
- if (!nextToken || nextToken.kind === 19 /* CloseBraceToken */) {
- return true;
- }
- var startLine = sourceFile.getLineAndCharacterOfPosition(node.getEnd()).line;
- var endLine = sourceFile.getLineAndCharacterOfPosition(nextToken.getStart(sourceFile)).line;
- return startLine !== endLine;
- }
- function positionIsASICandidate(pos, context, sourceFile) {
- var contextAncestor = ts.findAncestor(context, function (ancestor) {
- if (ancestor.end !== pos) {
- return "quit";
- }
- return ts.syntaxMayBeASICandidate(ancestor.kind);
- });
- return !!contextAncestor && nodeIsASICandidate(contextAncestor, sourceFile);
- }
- ts.positionIsASICandidate = positionIsASICandidate;
- function probablyUsesSemicolons(sourceFile) {
- var withSemicolon = 0;
- var withoutSemicolon = 0;
- var nStatementsToObserve = 5;
- ts.forEachChild(sourceFile, function visit(node) {
- if (syntaxRequiresTrailingSemicolonOrASI(node.kind)) {
- var lastToken = node.getLastToken(sourceFile);
- if (lastToken && lastToken.kind === 26 /* SemicolonToken */) {
- withSemicolon++;
- }
- else {
- withoutSemicolon++;
- }
- }
- if (withSemicolon + withoutSemicolon >= nStatementsToObserve) {
- return true;
- }
- return ts.forEachChild(node, visit);
- });
- // One statement missing a semicolon isn’t sufficient evidence to say the user
- // doesn’t want semicolons, because they may not even be done writing that statement.
- if (withSemicolon === 0 && withoutSemicolon <= 1) {
- return true;
- }
- // If even 2/5 places have a semicolon, the user probably wants semicolons
- return withSemicolon / withoutSemicolon > 1 / nStatementsToObserve;
- }
- ts.probablyUsesSemicolons = probablyUsesSemicolons;
- function tryGetDirectories(host, directoryName) {
- return tryIOAndConsumeErrors(host, host.getDirectories, directoryName) || [];
- }
- ts.tryGetDirectories = tryGetDirectories;
- function tryReadDirectory(host, path, extensions, exclude, include) {
- return tryIOAndConsumeErrors(host, host.readDirectory, path, extensions, exclude, include) || ts.emptyArray;
- }
- ts.tryReadDirectory = tryReadDirectory;
- function tryFileExists(host, path) {
- return tryIOAndConsumeErrors(host, host.fileExists, path);
- }
- ts.tryFileExists = tryFileExists;
- function tryDirectoryExists(host, path) {
- return tryAndIgnoreErrors(function () { return ts.directoryProbablyExists(path, host); }) || false;
- }
- ts.tryDirectoryExists = tryDirectoryExists;
- function tryAndIgnoreErrors(cb) {
- try {
- return cb();
- }
- catch (_a) {
- return undefined;
- }
- }
- ts.tryAndIgnoreErrors = tryAndIgnoreErrors;
- function tryIOAndConsumeErrors(host, toApply) {
- var args = [];
- for (var _i = 2; _i < arguments.length; _i++) {
- args[_i - 2] = arguments[_i];
- }
- return tryAndIgnoreErrors(function () { return toApply && toApply.apply(host, args); });
- }
- ts.tryIOAndConsumeErrors = tryIOAndConsumeErrors;
- function findPackageJsons(startDirectory, host, stopDirectory) {
- var paths = [];
- ts.forEachAncestorDirectory(startDirectory, function (ancestor) {
- if (ancestor === stopDirectory) {
- return true;
- }
- var currentConfigPath = ts.combinePaths(ancestor, "package.json");
- if (tryFileExists(host, currentConfigPath)) {
- paths.push(currentConfigPath);
- }
- });
- return paths;
- }
- ts.findPackageJsons = findPackageJsons;
- function findPackageJson(directory, host) {
- var packageJson;
- ts.forEachAncestorDirectory(directory, function (ancestor) {
- if (ancestor === "node_modules")
- return true;
- packageJson = ts.findConfigFile(ancestor, function (f) { return tryFileExists(host, f); }, "package.json");
- if (packageJson) {
- return true; // break out
- }
- });
- return packageJson;
- }
- ts.findPackageJson = findPackageJson;
- function getPackageJsonsVisibleToFile(fileName, host) {
- if (!host.fileExists) {
- return [];
- }
- var packageJsons = [];
- ts.forEachAncestorDirectory(ts.getDirectoryPath(fileName), function (ancestor) {
- var packageJsonFileName = ts.combinePaths(ancestor, "package.json");
- if (host.fileExists(packageJsonFileName)) {
- var info = createPackageJsonInfo(packageJsonFileName, host);
- if (info) {
- packageJsons.push(info);
- }
- }
- });
- return packageJsons;
- }
- ts.getPackageJsonsVisibleToFile = getPackageJsonsVisibleToFile;
- function createPackageJsonInfo(fileName, host) {
- if (!host.readFile) {
- return undefined;
- }
- var dependencyKeys = ["dependencies", "devDependencies", "optionalDependencies", "peerDependencies"];
- var stringContent = host.readFile(fileName);
- if (!stringContent)
- return undefined;
- var content = tryParseJson(stringContent);
- if (!content)
- return false;
- var info = {};
- for (var _i = 0, dependencyKeys_1 = dependencyKeys; _i < dependencyKeys_1.length; _i++) {
- var key = dependencyKeys_1[_i];
- var dependencies = content[key];
- if (!dependencies) {
- continue;
- }
- var dependencyMap = ts.createMap();
- for (var packageName in dependencies) {
- dependencyMap.set(packageName, dependencies[packageName]);
- }
- info[key] = dependencyMap;
- }
- var dependencyGroups = [
- [1 /* Dependencies */, info.dependencies],
- [2 /* DevDependencies */, info.devDependencies],
- [8 /* OptionalDependencies */, info.optionalDependencies],
- [4 /* PeerDependencies */, info.peerDependencies],
- ];
- return __assign(__assign({}, info), { fileName: fileName,
- get: get,
- has: function (dependencyName, inGroups) {
- return !!get(dependencyName, inGroups);
- } });
- function get(dependencyName, inGroups) {
- if (inGroups === void 0) { inGroups = 15 /* All */; }
- for (var _i = 0, dependencyGroups_1 = dependencyGroups; _i < dependencyGroups_1.length; _i++) {
- var _a = dependencyGroups_1[_i], group_1 = _a[0], deps = _a[1];
- if (deps && (inGroups & group_1)) {
- var dep = deps.get(dependencyName);
- if (dep !== undefined) {
- return dep;
- }
- }
- }
- }
- }
- ts.createPackageJsonInfo = createPackageJsonInfo;
- function tryParseJson(text) {
- try {
- return JSON.parse(text);
- }
- catch (_a) {
- return undefined;
- }
- }
- function consumesNodeCoreModules(sourceFile) {
- return ts.some(sourceFile.imports, function (_a) {
- var text = _a.text;
- return ts.JsTyping.nodeCoreModules.has(text);
- });
- }
- ts.consumesNodeCoreModules = consumesNodeCoreModules;
- function isInsideNodeModules(fileOrDirectory) {
- return ts.contains(ts.getPathComponents(fileOrDirectory), "node_modules");
- }
- ts.isInsideNodeModules = isInsideNodeModules;
- function isDiagnosticWithLocation(diagnostic) {
- return diagnostic.file !== undefined && diagnostic.start !== undefined && diagnostic.length !== undefined;
- }
- ts.isDiagnosticWithLocation = isDiagnosticWithLocation;
- function findDiagnosticForNode(node, sortedFileDiagnostics) {
- var span = createTextSpanFromNode(node);
- var index = ts.binarySearchKey(sortedFileDiagnostics, span, ts.identity, ts.compareTextSpans);
- if (index >= 0) {
- var diagnostic = sortedFileDiagnostics[index];
- ts.Debug.assertEqual(diagnostic.file, node.getSourceFile(), "Diagnostics proided to 'findDiagnosticForNode' must be from a single SourceFile");
- return ts.cast(diagnostic, isDiagnosticWithLocation);
- }
- }
- ts.findDiagnosticForNode = findDiagnosticForNode;
- function getDiagnosticsWithinSpan(span, sortedFileDiagnostics) {
- var _a;
- var index = ts.binarySearchKey(sortedFileDiagnostics, span.start, function (diag) { return diag.start; }, ts.compareValues);
- if (index < 0) {
- index = ~index;
- }
- while (((_a = sortedFileDiagnostics[index - 1]) === null || _a === void 0 ? void 0 : _a.start) === span.start) {
- index--;
- }
- var result = [];
- var end = ts.textSpanEnd(span);
- while (true) {
- var diagnostic = ts.tryCast(sortedFileDiagnostics[index], isDiagnosticWithLocation);
- if (!diagnostic || diagnostic.start > end) {
- break;
- }
- if (ts.textSpanContainsTextSpan(span, diagnostic)) {
- result.push(diagnostic);
- }
- index++;
- }
- return result;
- }
- ts.getDiagnosticsWithinSpan = getDiagnosticsWithinSpan;
- /* @internal */
- function getRefactorContextSpan(_a) {
- var startPosition = _a.startPosition, endPosition = _a.endPosition;
- return ts.createTextSpanFromBounds(startPosition, endPosition === undefined ? startPosition : endPosition);
- }
- ts.getRefactorContextSpan = getRefactorContextSpan;
- function mapOneOrMany(valueOrArray, f, resultSelector) {
- if (resultSelector === void 0) { resultSelector = ts.identity; }
- return valueOrArray ? ts.isArray(valueOrArray) ? resultSelector(ts.map(valueOrArray, f)) : f(valueOrArray, 0) : undefined;
- }
- ts.mapOneOrMany = mapOneOrMany;
- /**
- * If the provided value is an array, the first element of the array is returned; otherwise, the provided value is returned instead.
- */
- function firstOrOnly(valueOrArray) {
- return ts.isArray(valueOrArray) ? ts.first(valueOrArray) : valueOrArray;
- }
- ts.firstOrOnly = firstOrOnly;
- function getNameForExportedSymbol(symbol, scriptTarget) {
- if (symbol.escapedName === "export=" /* ExportEquals */ || symbol.escapedName === "default" /* Default */) {
- // Name of "export default foo;" is "foo". Name of "export default 0" is the filename converted to camelCase.
- return ts.firstDefined(symbol.declarations, function (d) { return ts.isExportAssignment(d) && ts.isIdentifier(d.expression) ? d.expression.text : undefined; })
- || ts.codefix.moduleSymbolToValidIdentifier(ts.Debug.checkDefined(symbol.parent), scriptTarget);
- }
- return symbol.name;
- }
- ts.getNameForExportedSymbol = getNameForExportedSymbol;
- /**
- * Useful to check whether a string contains another string at a specific index
- * without allocating another string or traversing the entire contents of the outer string.
- *
- * This function is useful in place of either of the following:
- *
- * ```ts
- * // Allocates
- * haystack.substr(startIndex, needle.length) === needle
- *
- * // Full traversal
- * haystack.indexOf(needle, startIndex) === startIndex
- * ```
- *
- * @param haystack The string that potentially contains `needle`.
- * @param needle The string whose content might sit within `haystack`.
- * @param startIndex The index within `haystack` to start searching for `needle`.
- */
- function stringContainsAt(haystack, needle, startIndex) {
- var needleLength = needle.length;
- if (needleLength + startIndex > haystack.length) {
- return false;
- }
- for (var i = 0; i < needleLength; i++) {
- if (needle.charCodeAt(i) !== haystack.charCodeAt(i + startIndex))
- return false;
- }
- return true;
- }
- ts.stringContainsAt = stringContainsAt;
- function startsWithUnderscore(name) {
- return name.charCodeAt(0) === 95 /* _ */;
- }
- ts.startsWithUnderscore = startsWithUnderscore;
- function isGlobalDeclaration(declaration) {
- return !isNonGlobalDeclaration(declaration);
- }
- ts.isGlobalDeclaration = isGlobalDeclaration;
- function isNonGlobalDeclaration(declaration) {
- var sourceFile = declaration.getSourceFile();
- // If the file is not a module, the declaration is global
- if (!sourceFile.externalModuleIndicator && !sourceFile.commonJsModuleIndicator) {
- return false;
- }
- // If the file is a module written in TypeScript, it still might be in a `declare global` augmentation
- return ts.isInJSFile(declaration) || !ts.findAncestor(declaration, ts.isGlobalScopeAugmentation);
- }
- ts.isNonGlobalDeclaration = isNonGlobalDeclaration;
- // #endregion
-})(ts || (ts = {}));
-var ts;
-(function (ts) {
- /** The classifier is used for syntactic highlighting in editors via the TSServer */
- function createClassifier() {
- var scanner = ts.createScanner(99 /* Latest */, /*skipTrivia*/ false);
- function getClassificationsForLine(text, lexState, syntacticClassifierAbsent) {
- return convertClassificationsToResult(getEncodedLexicalClassifications(text, lexState, syntacticClassifierAbsent), text);
- }
- // If there is a syntactic classifier ('syntacticClassifierAbsent' is false),
- // we will be more conservative in order to avoid conflicting with the syntactic classifier.
- function getEncodedLexicalClassifications(text, lexState, syntacticClassifierAbsent) {
- var token = 0 /* Unknown */;
- var lastNonTriviaToken = 0 /* Unknown */;
- // Just a stack of TemplateHeads and OpenCurlyBraces, used to perform rudimentary (inexact)
- // classification on template strings. Because of the context free nature of templates,
- // the only precise way to classify a template portion would be by propagating the stack across
- // lines, just as we do with the end-of-line state. However, this is a burden for implementers,
- // and the behavior is entirely subsumed by the syntactic classifier anyway, so we instead
- // flatten any nesting when the template stack is non-empty and encode it in the end-of-line state.
- // Situations in which this fails are
- // 1) When template strings are nested across different lines:
- // `hello ${ `world
- // ` }`
- //
- // Where on the second line, you will get the closing of a template,
- // a closing curly, and a new template.
- //
- // 2) When substitution expressions have curly braces and the curly brace falls on the next line:
- // `hello ${ () => {
- // return "world" } } `
- //
- // Where on the second line, you will get the 'return' keyword,
- // a string literal, and a template end consisting of '} } `'.
- var templateStack = [];
- var _a = getPrefixFromLexState(lexState), prefix = _a.prefix, pushTemplate = _a.pushTemplate;
- text = prefix + text;
- var offset = prefix.length;
- if (pushTemplate) {
- templateStack.push(15 /* TemplateHead */);
- }
- scanner.setText(text);
- var endOfLineState = 0 /* None */;
- var spans = [];
- // We can run into an unfortunate interaction between the lexical and syntactic classifier
- // when the user is typing something generic. Consider the case where the user types:
- //
- // Foo<number
- //
- // From the lexical classifier's perspective, 'number' is a keyword, and so the word will
- // be classified as such. However, from the syntactic classifier's tree-based perspective
- // this is simply an expression with the identifier 'number' on the RHS of the less than
- // token. So the classification will go back to being an identifier. The moment the user
- // types again, number will become a keyword, then an identifier, etc. etc.
- //
- // To try to avoid this problem, we avoid classifying contextual keywords as keywords
- // when the user is potentially typing something generic. We just can't do a good enough
- // job at the lexical level, and so well leave it up to the syntactic classifier to make
- // the determination.
- //
- // In order to determine if the user is potentially typing something generic, we use a
- // weak heuristic where we track < and > tokens. It's a weak heuristic, but should
- // work well enough in practice.
- var angleBracketStack = 0;
- do {
- token = scanner.scan();
- if (!ts.isTrivia(token)) {
- handleToken();
- lastNonTriviaToken = token;
- }
- var end = scanner.getTextPos();
- pushEncodedClassification(scanner.getTokenPos(), end, offset, classFromKind(token), spans);
- if (end >= text.length) {
- var end_1 = getNewEndOfLineState(scanner, token, ts.lastOrUndefined(templateStack));
- if (end_1 !== undefined) {
- endOfLineState = end_1;
- }
- }
- } while (token !== 1 /* EndOfFileToken */);
- function handleToken() {
- switch (token) {
- case 43 /* SlashToken */:
- case 67 /* SlashEqualsToken */:
- if (!noRegexTable[lastNonTriviaToken] && scanner.reScanSlashToken() === 13 /* RegularExpressionLiteral */) {
- token = 13 /* RegularExpressionLiteral */;
- }
- break;
- case 29 /* LessThanToken */:
- if (lastNonTriviaToken === 75 /* Identifier */) {
- // Could be the start of something generic. Keep track of that by bumping
- // up the current count of generic contexts we may be in.
- angleBracketStack++;
- }
- break;
- case 31 /* GreaterThanToken */:
- if (angleBracketStack > 0) {
- // If we think we're currently in something generic, then mark that that
- // generic entity is complete.
- angleBracketStack--;
- }
- break;
- case 125 /* AnyKeyword */:
- case 143 /* StringKeyword */:
- case 140 /* NumberKeyword */:
- case 128 /* BooleanKeyword */:
- case 144 /* SymbolKeyword */:
- if (angleBracketStack > 0 && !syntacticClassifierAbsent) {
- // If it looks like we're could be in something generic, don't classify this
- // as a keyword. We may just get overwritten by the syntactic classifier,
- // causing a noisy experience for the user.
- token = 75 /* Identifier */;
- }
- break;
- case 15 /* TemplateHead */:
- templateStack.push(token);
- break;
- case 18 /* OpenBraceToken */:
- // If we don't have anything on the template stack,
- // then we aren't trying to keep track of a previously scanned template head.
- if (templateStack.length > 0) {
- templateStack.push(token);
- }
- break;
- case 19 /* CloseBraceToken */:
- // If we don't have anything on the template stack,
- // then we aren't trying to keep track of a previously scanned template head.
- if (templateStack.length > 0) {
- var lastTemplateStackToken = ts.lastOrUndefined(templateStack);
- if (lastTemplateStackToken === 15 /* TemplateHead */) {
- token = scanner.reScanTemplateToken(/* isTaggedTemplate */ false);
- // Only pop on a TemplateTail; a TemplateMiddle indicates there is more for us.
- if (token === 17 /* TemplateTail */) {
- templateStack.pop();
- }
- else {
- ts.Debug.assertEqual(token, 16 /* TemplateMiddle */, "Should have been a template middle.");
- }
- }
- else {
- ts.Debug.assertEqual(lastTemplateStackToken, 18 /* OpenBraceToken */, "Should have been an open brace");
- templateStack.pop();
- }
- }
- break;
- default:
- if (!ts.isKeyword(token)) {
- break;
- }
- if (lastNonTriviaToken === 24 /* DotToken */) {
- token = 75 /* Identifier */;
- }
- else if (ts.isKeyword(lastNonTriviaToken) && ts.isKeyword(token) && !canFollow(lastNonTriviaToken, token)) {
- // We have two keywords in a row. Only treat the second as a keyword if
- // it's a sequence that could legally occur in the language. Otherwise
- // treat it as an identifier. This way, if someone writes "private var"
- // we recognize that 'var' is actually an identifier here.
- token = 75 /* Identifier */;
- }
- }
- }
- return { endOfLineState: endOfLineState, spans: spans };
- }
- return { getClassificationsForLine: getClassificationsForLine, getEncodedLexicalClassifications: getEncodedLexicalClassifications };
- }
- ts.createClassifier = createClassifier;
- /// We do not have a full parser support to know when we should parse a regex or not
- /// If we consider every slash token to be a regex, we could be missing cases like "1/2/3", where
- /// we have a series of divide operator. this list allows us to be more accurate by ruling out
- /// locations where a regexp cannot exist.
- var noRegexTable = ts.arrayToNumericMap([
- 75 /* Identifier */,
- 10 /* StringLiteral */,
- 8 /* NumericLiteral */,
- 9 /* BigIntLiteral */,
- 13 /* RegularExpressionLiteral */,
- 104 /* ThisKeyword */,
- 45 /* PlusPlusToken */,
- 46 /* MinusMinusToken */,
- 21 /* CloseParenToken */,
- 23 /* CloseBracketToken */,
- 19 /* CloseBraceToken */,
- 106 /* TrueKeyword */,
- 91 /* FalseKeyword */,
- ], function (token) { return token; }, function () { return true; });
- function getNewEndOfLineState(scanner, token, lastOnTemplateStack) {
- switch (token) {
- case 10 /* StringLiteral */: {
- // Check to see if we finished up on a multiline string literal.
- if (!scanner.isUnterminated())
- return undefined;
- var tokenText = scanner.getTokenText();
- var lastCharIndex = tokenText.length - 1;
- var numBackslashes = 0;
- while (tokenText.charCodeAt(lastCharIndex - numBackslashes) === 92 /* backslash */) {
- numBackslashes++;
- }
- // If we have an odd number of backslashes, then the multiline string is unclosed
- if ((numBackslashes & 1) === 0)
- return undefined;
- return tokenText.charCodeAt(0) === 34 /* doubleQuote */ ? 3 /* InDoubleQuoteStringLiteral */ : 2 /* InSingleQuoteStringLiteral */;
- }
- case 3 /* MultiLineCommentTrivia */:
- // Check to see if the multiline comment was unclosed.
- return scanner.isUnterminated() ? 1 /* InMultiLineCommentTrivia */ : undefined;
- default:
- if (ts.isTemplateLiteralKind(token)) {
- if (!scanner.isUnterminated()) {
- return undefined;
- }
- switch (token) {
- case 17 /* TemplateTail */:
- return 5 /* InTemplateMiddleOrTail */;
- case 14 /* NoSubstitutionTemplateLiteral */:
- return 4 /* InTemplateHeadOrNoSubstitutionTemplate */;
- default:
- return ts.Debug.fail("Only 'NoSubstitutionTemplateLiteral's and 'TemplateTail's can be unterminated; got SyntaxKind #" + token);
- }
- }
- return lastOnTemplateStack === 15 /* TemplateHead */ ? 6 /* InTemplateSubstitutionPosition */ : undefined;
- }
- }
- function pushEncodedClassification(start, end, offset, classification, result) {
- if (classification === 8 /* whiteSpace */) {
- // Don't bother with whitespace classifications. They're not needed.
- return;
- }
- if (start === 0 && offset > 0) {
- // We're classifying the first token, and this was a case where we prepended text.
- // We should consider the start of this token to be at the start of the original text.
- start += offset;
- }
- var length = end - start;
- if (length > 0) {
- // All our tokens are in relation to the augmented text. Move them back to be
- // relative to the original text.
- result.push(start - offset, length, classification);
- }
- }
- function convertClassificationsToResult(classifications, text) {
- var entries = [];
- var dense = classifications.spans;
- var lastEnd = 0;
- for (var i = 0; i < dense.length; i += 3) {
- var start = dense[i];
- var length_1 = dense[i + 1];
- var type = dense[i + 2];
- // Make a whitespace entry between the last item and this one.
- if (lastEnd >= 0) {
- var whitespaceLength_1 = start - lastEnd;
- if (whitespaceLength_1 > 0) {
- entries.push({ length: whitespaceLength_1, classification: ts.TokenClass.Whitespace });
- }
- }
- entries.push({ length: length_1, classification: convertClassification(type) });
- lastEnd = start + length_1;
- }
- var whitespaceLength = text.length - lastEnd;
- if (whitespaceLength > 0) {
- entries.push({ length: whitespaceLength, classification: ts.TokenClass.Whitespace });
- }
- return { entries: entries, finalLexState: classifications.endOfLineState };
- }
- function convertClassification(type) {
- switch (type) {
- case 1 /* comment */: return ts.TokenClass.Comment;
- case 3 /* keyword */: return ts.TokenClass.Keyword;
- case 4 /* numericLiteral */: return ts.TokenClass.NumberLiteral;
- case 25 /* bigintLiteral */: return ts.TokenClass.BigIntLiteral;
- case 5 /* operator */: return ts.TokenClass.Operator;
- case 6 /* stringLiteral */: return ts.TokenClass.StringLiteral;
- case 8 /* whiteSpace */: return ts.TokenClass.Whitespace;
- case 10 /* punctuation */: return ts.TokenClass.Punctuation;
- case 2 /* identifier */:
- case 11 /* className */:
- case 12 /* enumName */:
- case 13 /* interfaceName */:
- case 14 /* moduleName */:
- case 15 /* typeParameterName */:
- case 16 /* typeAliasName */:
- case 9 /* text */:
- case 17 /* parameterName */:
- return ts.TokenClass.Identifier;
- default:
- return undefined; // TODO: GH#18217 Debug.assertNever(type);
- }
- }
- /** Returns true if 'keyword2' can legally follow 'keyword1' in any language construct. */
- function canFollow(keyword1, keyword2) {
- if (!ts.isAccessibilityModifier(keyword1)) {
- // Assume any other keyword combination is legal.
- // This can be refined in the future if there are more cases we want the classifier to be better at.
- return true;
- }
- switch (keyword2) {
- case 131 /* GetKeyword */:
- case 142 /* SetKeyword */:
- case 129 /* ConstructorKeyword */:
- case 120 /* StaticKeyword */:
- return true; // Allow things like "public get", "public constructor" and "public static".
- default:
- return false; // Any other keyword following "public" is actually an identifier, not a real keyword.
- }
- }
- function getPrefixFromLexState(lexState) {
- // If we're in a string literal, then prepend: "\
- // (and a newline). That way when we lex we'll think we're still in a string literal.
- //
- // If we're in a multiline comment, then prepend: /*
- // (and a newline). That way when we lex we'll think we're still in a multiline comment.
- switch (lexState) {
- case 3 /* InDoubleQuoteStringLiteral */:
- return { prefix: "\"\\\n" };
- case 2 /* InSingleQuoteStringLiteral */:
- return { prefix: "'\\\n" };
- case 1 /* InMultiLineCommentTrivia */:
- return { prefix: "/*\n" };
- case 4 /* InTemplateHeadOrNoSubstitutionTemplate */:
- return { prefix: "`\n" };
- case 5 /* InTemplateMiddleOrTail */:
- return { prefix: "}\n", pushTemplate: true };
- case 6 /* InTemplateSubstitutionPosition */:
- return { prefix: "", pushTemplate: true };
- case 0 /* None */:
- return { prefix: "" };
- default:
- return ts.Debug.assertNever(lexState);
- }
- }
- function isBinaryExpressionOperatorToken(token) {
- switch (token) {
- case 41 /* AsteriskToken */:
- case 43 /* SlashToken */:
- case 44 /* PercentToken */:
- case 39 /* PlusToken */:
- case 40 /* MinusToken */:
- case 47 /* LessThanLessThanToken */:
- case 48 /* GreaterThanGreaterThanToken */:
- case 49 /* GreaterThanGreaterThanGreaterThanToken */:
- case 29 /* LessThanToken */:
- case 31 /* GreaterThanToken */:
- case 32 /* LessThanEqualsToken */:
- case 33 /* GreaterThanEqualsToken */:
- case 98 /* InstanceOfKeyword */:
- case 97 /* InKeyword */:
- case 123 /* AsKeyword */:
- case 34 /* EqualsEqualsToken */:
- case 35 /* ExclamationEqualsToken */:
- case 36 /* EqualsEqualsEqualsToken */:
- case 37 /* ExclamationEqualsEqualsToken */:
- case 50 /* AmpersandToken */:
- case 52 /* CaretToken */:
- case 51 /* BarToken */:
- case 55 /* AmpersandAmpersandToken */:
- case 56 /* BarBarToken */:
- case 73 /* BarEqualsToken */:
- case 72 /* AmpersandEqualsToken */:
- case 74 /* CaretEqualsToken */:
- case 69 /* LessThanLessThanEqualsToken */:
- case 70 /* GreaterThanGreaterThanEqualsToken */:
- case 71 /* GreaterThanGreaterThanGreaterThanEqualsToken */:
- case 63 /* PlusEqualsToken */:
- case 64 /* MinusEqualsToken */:
- case 65 /* AsteriskEqualsToken */:
- case 67 /* SlashEqualsToken */:
- case 68 /* PercentEqualsToken */:
- case 62 /* EqualsToken */:
- case 27 /* CommaToken */:
- case 60 /* QuestionQuestionToken */:
- return true;
- default:
- return false;
- }
- }
- function isPrefixUnaryExpressionOperatorToken(token) {
- switch (token) {
- case 39 /* PlusToken */:
- case 40 /* MinusToken */:
- case 54 /* TildeToken */:
- case 53 /* ExclamationToken */:
- case 45 /* PlusPlusToken */:
- case 46 /* MinusMinusToken */:
- return true;
- default:
- return false;
- }
- }
- function classFromKind(token) {
- if (ts.isKeyword(token)) {
- return 3 /* keyword */;
- }
- else if (isBinaryExpressionOperatorToken(token) || isPrefixUnaryExpressionOperatorToken(token)) {
- return 5 /* operator */;
- }
- else if (token >= 18 /* FirstPunctuation */ && token <= 74 /* LastPunctuation */) {
- return 10 /* punctuation */;
- }
- switch (token) {
- case 8 /* NumericLiteral */:
- return 4 /* numericLiteral */;
- case 9 /* BigIntLiteral */:
- return 25 /* bigintLiteral */;
- case 10 /* StringLiteral */:
- return 6 /* stringLiteral */;
- case 13 /* RegularExpressionLiteral */:
- return 7 /* regularExpressionLiteral */;
- case 7 /* ConflictMarkerTrivia */:
- case 3 /* MultiLineCommentTrivia */:
- case 2 /* SingleLineCommentTrivia */:
- return 1 /* comment */;
- case 5 /* WhitespaceTrivia */:
- case 4 /* NewLineTrivia */:
- return 8 /* whiteSpace */;
- case 75 /* Identifier */:
- default:
- if (ts.isTemplateLiteralKind(token)) {
- return 6 /* stringLiteral */;
- }
- return 2 /* identifier */;
- }
- }
- /* @internal */
- function getSemanticClassifications(typeChecker, cancellationToken, sourceFile, classifiableNames, span) {
- return convertClassificationsToSpans(getEncodedSemanticClassifications(typeChecker, cancellationToken, sourceFile, classifiableNames, span));
- }
- ts.getSemanticClassifications = getSemanticClassifications;
- function checkForClassificationCancellation(cancellationToken, kind) {
- // We don't want to actually call back into our host on every node to find out if we've
- // been canceled. That would be an enormous amount of chattyness, along with the all
- // the overhead of marshalling the data to/from the host. So instead we pick a few
- // reasonable node kinds to bother checking on. These node kinds represent high level
- // constructs that we would expect to see commonly, but just at a far less frequent
- // interval.
- //
- // For example, in checker.ts (around 750k) we only have around 600 of these constructs.
- // That means we're calling back into the host around every 1.2k of the file we process.
- // Lib.d.ts has similar numbers.
- switch (kind) {
- case 249 /* ModuleDeclaration */:
- case 245 /* ClassDeclaration */:
- case 246 /* InterfaceDeclaration */:
- case 244 /* FunctionDeclaration */:
- cancellationToken.throwIfCancellationRequested();
- }
- }
- /* @internal */
- function getEncodedSemanticClassifications(typeChecker, cancellationToken, sourceFile, classifiableNames, span) {
- var spans = [];
- sourceFile.forEachChild(function cb(node) {
- // Only walk into nodes that intersect the requested span.
- if (!node || !ts.textSpanIntersectsWith(span, node.pos, node.getFullWidth())) {
- return;
- }
- checkForClassificationCancellation(cancellationToken, node.kind);
- // Only bother calling into the typechecker if this is an identifier that
- // could possibly resolve to a type name. This makes classification run
- // in a third of the time it would normally take.
- if (ts.isIdentifier(node) && !ts.nodeIsMissing(node) && classifiableNames.has(node.escapedText)) {
- var symbol = typeChecker.getSymbolAtLocation(node);
- var type = symbol && classifySymbol(symbol, ts.getMeaningFromLocation(node), typeChecker);
- if (type) {
- pushClassification(node.getStart(sourceFile), node.getEnd(), type);
- }
- }
- node.forEachChild(cb);
- });
- return { spans: spans, endOfLineState: 0 /* None */ };
- function pushClassification(start, end, type) {
- var length = end - start;
- ts.Debug.assert(length > 0, "Classification had non-positive length of " + length);
- spans.push(start);
- spans.push(length);
- spans.push(type);
- }
- }
- ts.getEncodedSemanticClassifications = getEncodedSemanticClassifications;
- function classifySymbol(symbol, meaningAtPosition, checker) {
- var flags = symbol.getFlags();
- if ((flags & 2885600 /* Classifiable */) === 0 /* None */) {
- return undefined;
- }
- else if (flags & 32 /* Class */) {
- return 11 /* className */;
- }
- else if (flags & 384 /* Enum */) {
- return 12 /* enumName */;
- }
- else if (flags & 524288 /* TypeAlias */) {
- return 16 /* typeAliasName */;
- }
- else if (flags & 1536 /* Module */) {
- // Only classify a module as such if
- // - It appears in a namespace context.
- // - There exists a module declaration which actually impacts the value side.
- return meaningAtPosition & 4 /* Namespace */ || meaningAtPosition & 1 /* Value */ && hasValueSideModule(symbol) ? 14 /* moduleName */ : undefined;
- }
- else if (flags & 2097152 /* Alias */) {
- return classifySymbol(checker.getAliasedSymbol(symbol), meaningAtPosition, checker);
- }
- else if (meaningAtPosition & 2 /* Type */) {
- return flags & 64 /* Interface */ ? 13 /* interfaceName */ : flags & 262144 /* TypeParameter */ ? 15 /* typeParameterName */ : undefined;
- }
- else {
- return undefined;
- }
- }
- /** Returns true if there exists a module that introduces entities on the value side. */
- function hasValueSideModule(symbol) {
- return ts.some(symbol.declarations, function (declaration) {
- return ts.isModuleDeclaration(declaration) && ts.getModuleInstanceState(declaration) === 1 /* Instantiated */;
- });
- }
- function getClassificationTypeName(type) {
- switch (type) {
- case 1 /* comment */: return "comment" /* comment */;
- case 2 /* identifier */: return "identifier" /* identifier */;
- case 3 /* keyword */: return "keyword" /* keyword */;
- case 4 /* numericLiteral */: return "number" /* numericLiteral */;
- case 25 /* bigintLiteral */: return "bigint" /* bigintLiteral */;
- case 5 /* operator */: return "operator" /* operator */;
- case 6 /* stringLiteral */: return "string" /* stringLiteral */;
- case 8 /* whiteSpace */: return "whitespace" /* whiteSpace */;
- case 9 /* text */: return "text" /* text */;
- case 10 /* punctuation */: return "punctuation" /* punctuation */;
- case 11 /* className */: return "class name" /* className */;
- case 12 /* enumName */: return "enum name" /* enumName */;
- case 13 /* interfaceName */: return "interface name" /* interfaceName */;
- case 14 /* moduleName */: return "module name" /* moduleName */;
- case 15 /* typeParameterName */: return "type parameter name" /* typeParameterName */;
- case 16 /* typeAliasName */: return "type alias name" /* typeAliasName */;
- case 17 /* parameterName */: return "parameter name" /* parameterName */;
- case 18 /* docCommentTagName */: return "doc comment tag name" /* docCommentTagName */;
- case 19 /* jsxOpenTagName */: return "jsx open tag name" /* jsxOpenTagName */;
- case 20 /* jsxCloseTagName */: return "jsx close tag name" /* jsxCloseTagName */;
- case 21 /* jsxSelfClosingTagName */: return "jsx self closing tag name" /* jsxSelfClosingTagName */;
- case 22 /* jsxAttribute */: return "jsx attribute" /* jsxAttribute */;
- case 23 /* jsxText */: return "jsx text" /* jsxText */;
- case 24 /* jsxAttributeStringLiteralValue */: return "jsx attribute string literal value" /* jsxAttributeStringLiteralValue */;
- default: return undefined; // TODO: GH#18217 throw Debug.assertNever(type);
- }
- }
- function convertClassificationsToSpans(classifications) {
- ts.Debug.assert(classifications.spans.length % 3 === 0);
- var dense = classifications.spans;
- var result = [];
- for (var i = 0; i < dense.length; i += 3) {
- result.push({
- textSpan: ts.createTextSpan(dense[i], dense[i + 1]),
- classificationType: getClassificationTypeName(dense[i + 2])
- });
- }
- return result;
- }
- /* @internal */
- function getSyntacticClassifications(cancellationToken, sourceFile, span) {
- return convertClassificationsToSpans(getEncodedSyntacticClassifications(cancellationToken, sourceFile, span));
- }
- ts.getSyntacticClassifications = getSyntacticClassifications;
- /* @internal */
- function getEncodedSyntacticClassifications(cancellationToken, sourceFile, span) {
- var spanStart = span.start;
- var spanLength = span.length;
- // Make a scanner we can get trivia from.
- var triviaScanner = ts.createScanner(99 /* Latest */, /*skipTrivia*/ false, sourceFile.languageVariant, sourceFile.text);
- var mergeConflictScanner = ts.createScanner(99 /* Latest */, /*skipTrivia*/ false, sourceFile.languageVariant, sourceFile.text);
- var result = [];
- processElement(sourceFile);
- return { spans: result, endOfLineState: 0 /* None */ };
- function pushClassification(start, length, type) {
- result.push(start);
- result.push(length);
- result.push(type);
- }
- function classifyLeadingTriviaAndGetTokenStart(token) {
- triviaScanner.setTextPos(token.pos);
- while (true) {
- var start = triviaScanner.getTextPos();
- // only bother scanning if we have something that could be trivia.
- if (!ts.couldStartTrivia(sourceFile.text, start)) {
- return start;
- }
- var kind = triviaScanner.scan();
- var end = triviaScanner.getTextPos();
- var width = end - start;
- // The moment we get something that isn't trivia, then stop processing.
- if (!ts.isTrivia(kind)) {
- return start;
- }
- switch (kind) {
- case 4 /* NewLineTrivia */:
- case 5 /* WhitespaceTrivia */:
- // Don't bother with newlines/whitespace.
- continue;
- case 2 /* SingleLineCommentTrivia */:
- case 3 /* MultiLineCommentTrivia */:
- // Only bother with the trivia if it at least intersects the span of interest.
- classifyComment(token, kind, start, width);
- // Classifying a comment might cause us to reuse the trivia scanner
- // (because of jsdoc comments). So after we classify the comment make
- // sure we set the scanner position back to where it needs to be.
- triviaScanner.setTextPos(end);
- continue;
- case 7 /* ConflictMarkerTrivia */:
- var text = sourceFile.text;
- var ch = text.charCodeAt(start);
- // for the <<<<<<< and >>>>>>> markers, we just add them in as comments
- // in the classification stream.
- if (ch === 60 /* lessThan */ || ch === 62 /* greaterThan */) {
- pushClassification(start, width, 1 /* comment */);
- continue;
- }
- // for the ||||||| and ======== markers, add a comment for the first line,
- // and then lex all subsequent lines up until the end of the conflict marker.
- ts.Debug.assert(ch === 124 /* bar */ || ch === 61 /* equals */);
- classifyDisabledMergeCode(text, start, end);
- break;
- case 6 /* ShebangTrivia */:
- // TODO: Maybe we should classify these.
- break;
- default:
- ts.Debug.assertNever(kind);
- }
- }
- }
- function classifyComment(token, kind, start, width) {
- if (kind === 3 /* MultiLineCommentTrivia */) {
- // See if this is a doc comment. If so, we'll classify certain portions of it
- // specially.
- var docCommentAndDiagnostics = ts.parseIsolatedJSDocComment(sourceFile.text, start, width);
- if (docCommentAndDiagnostics && docCommentAndDiagnostics.jsDoc) {
- // TODO: This should be predicated on `token["kind"]` being compatible with `HasJSDoc["kind"]`
- docCommentAndDiagnostics.jsDoc.parent = token;
- classifyJSDocComment(docCommentAndDiagnostics.jsDoc);
- return;
- }
- }
- else if (kind === 2 /* SingleLineCommentTrivia */) {
- if (tryClassifyTripleSlashComment(start, width)) {
- return;
- }
- }
- // Simple comment. Just add as is.
- pushCommentRange(start, width);
- }
- function pushCommentRange(start, width) {
- pushClassification(start, width, 1 /* comment */);
- }
- function classifyJSDocComment(docComment) {
- var pos = docComment.pos;
- if (docComment.tags) {
- for (var _i = 0, _a = docComment.tags; _i < _a.length; _i++) {
- var tag = _a[_i];
- // As we walk through each tag, classify the portion of text from the end of
- // the last tag (or the start of the entire doc comment) as 'comment'.
- if (tag.pos !== pos) {
- pushCommentRange(pos, tag.pos - pos);
- }
- pushClassification(tag.pos, 1, 10 /* punctuation */); // "@"
- pushClassification(tag.tagName.pos, tag.tagName.end - tag.tagName.pos, 18 /* docCommentTagName */); // e.g. "param"
- pos = tag.tagName.end;
- switch (tag.kind) {
- case 317 /* JSDocParameterTag */:
- processJSDocParameterTag(tag);
- break;
- case 321 /* JSDocTemplateTag */:
- processJSDocTemplateTag(tag);
- pos = tag.end;
- break;
- case 320 /* JSDocTypeTag */:
- processElement(tag.typeExpression);
- pos = tag.end;
- break;
- case 318 /* JSDocReturnTag */:
- processElement(tag.typeExpression);
- pos = tag.end;
- break;
- }
- }
- }
- if (pos !== docComment.end) {
- pushCommentRange(pos, docComment.end - pos);
- }
- return;
- function processJSDocParameterTag(tag) {
- if (tag.isNameFirst) {
- pushCommentRange(pos, tag.name.pos - pos);
- pushClassification(tag.name.pos, tag.name.end - tag.name.pos, 17 /* parameterName */);
- pos = tag.name.end;
- }
- if (tag.typeExpression) {
- pushCommentRange(pos, tag.typeExpression.pos - pos);
- processElement(tag.typeExpression);
- pos = tag.typeExpression.end;
- }
- if (!tag.isNameFirst) {
- pushCommentRange(pos, tag.name.pos - pos);
- pushClassification(tag.name.pos, tag.name.end - tag.name.pos, 17 /* parameterName */);
- pos = tag.name.end;
- }
- }
- }
- function tryClassifyTripleSlashComment(start, width) {
- var tripleSlashXMLCommentRegEx = /^(\/\/\/\s*)(<)(?:(\S+)((?:[^/]|\/[^>])*)(\/>)?)?/im;
- var attributeRegex = /(\S+)(\s*)(=)(\s*)('[^']+'|"[^"]+")/img;
- var text = sourceFile.text.substr(start, width);
- var match = tripleSlashXMLCommentRegEx.exec(text);
- if (!match) {
- return false;
- }
- // Limiting classification to exactly the elements and attributes
- // defined in `ts.commentPragmas` would be excessive, but we can avoid
- // some obvious false positives (e.g. in XML-like doc comments) by
- // checking the element name.
- // eslint-disable-next-line no-in-operator
- if (!match[3] || !(match[3] in ts.commentPragmas)) {
- return false;
- }
- var pos = start;
- pushCommentRange(pos, match[1].length); // ///
- pos += match[1].length;
- pushClassification(pos, match[2].length, 10 /* punctuation */); // <
- pos += match[2].length;
- pushClassification(pos, match[3].length, 21 /* jsxSelfClosingTagName */); // element name
- pos += match[3].length;
- var attrText = match[4];
- var attrPos = pos;
- while (true) {
- var attrMatch = attributeRegex.exec(attrText);
- if (!attrMatch) {
- break;
- }
- var newAttrPos = pos + attrMatch.index;
- if (newAttrPos > attrPos) {
- pushCommentRange(attrPos, newAttrPos - attrPos);
- attrPos = newAttrPos;
- }
- pushClassification(attrPos, attrMatch[1].length, 22 /* jsxAttribute */); // attribute name
- attrPos += attrMatch[1].length;
- if (attrMatch[2].length) {
- pushCommentRange(attrPos, attrMatch[2].length); // whitespace
- attrPos += attrMatch[2].length;
- }
- pushClassification(attrPos, attrMatch[3].length, 5 /* operator */); // =
- attrPos += attrMatch[3].length;
- if (attrMatch[4].length) {
- pushCommentRange(attrPos, attrMatch[4].length); // whitespace
- attrPos += attrMatch[4].length;
- }
- pushClassification(attrPos, attrMatch[5].length, 24 /* jsxAttributeStringLiteralValue */); // attribute value
- attrPos += attrMatch[5].length;
- }
- pos += match[4].length;
- if (pos > attrPos) {
- pushCommentRange(attrPos, pos - attrPos);
- }
- if (match[5]) {
- pushClassification(pos, match[5].length, 10 /* punctuation */); // />
- pos += match[5].length;
- }
- var end = start + width;
- if (pos < end) {
- pushCommentRange(pos, end - pos);
- }
- return true;
- }
- function processJSDocTemplateTag(tag) {
- for (var _i = 0, _a = tag.getChildren(); _i < _a.length; _i++) {
- var child = _a[_i];
- processElement(child);
- }
- }
- function classifyDisabledMergeCode(text, start, end) {
- // Classify the line that the ||||||| or ======= marker is on as a comment.
- // Then just lex all further tokens and add them to the result.
- var i;
- for (i = start; i < end; i++) {
- if (ts.isLineBreak(text.charCodeAt(i))) {
- break;
- }
- }
- pushClassification(start, i - start, 1 /* comment */);
- mergeConflictScanner.setTextPos(i);
- while (mergeConflictScanner.getTextPos() < end) {
- classifyDisabledCodeToken();
- }
- }
- function classifyDisabledCodeToken() {
- var start = mergeConflictScanner.getTextPos();
- var tokenKind = mergeConflictScanner.scan();
- var end = mergeConflictScanner.getTextPos();
- var type = classifyTokenType(tokenKind);
- if (type) {
- pushClassification(start, end - start, type);
- }
- }
- /**
- * Returns true if node should be treated as classified and no further processing is required.
- * False will mean that node is not classified and traverse routine should recurse into node contents.
- */
- function tryClassifyNode(node) {
- if (ts.isJSDoc(node)) {
- return true;
- }
- if (ts.nodeIsMissing(node)) {
- return true;
- }
- var classifiedElementName = tryClassifyJsxElementName(node);
- if (!ts.isToken(node) && node.kind !== 11 /* JsxText */ && classifiedElementName === undefined) {
- return false;
- }
- var tokenStart = node.kind === 11 /* JsxText */ ? node.pos : classifyLeadingTriviaAndGetTokenStart(node);
- var tokenWidth = node.end - tokenStart;
- ts.Debug.assert(tokenWidth >= 0);
- if (tokenWidth > 0) {
- var type = classifiedElementName || classifyTokenType(node.kind, node);
- if (type) {
- pushClassification(tokenStart, tokenWidth, type);
- }
- }
- return true;
- }
- function tryClassifyJsxElementName(token) {
- switch (token.parent && token.parent.kind) {
- case 268 /* JsxOpeningElement */:
- if (token.parent.tagName === token) {
- return 19 /* jsxOpenTagName */;
- }
- break;
- case 269 /* JsxClosingElement */:
- if (token.parent.tagName === token) {
- return 20 /* jsxCloseTagName */;
- }
- break;
- case 267 /* JsxSelfClosingElement */:
- if (token.parent.tagName === token) {
- return 21 /* jsxSelfClosingTagName */;
- }
- break;
- case 273 /* JsxAttribute */:
- if (token.parent.name === token) {
- return 22 /* jsxAttribute */;
- }
- break;
- }
- return undefined;
- }
- // for accurate classification, the actual token should be passed in. however, for
- // cases like 'disabled merge code' classification, we just get the token kind and
- // classify based on that instead.
- function classifyTokenType(tokenKind, token) {
- if (ts.isKeyword(tokenKind)) {
- return 3 /* keyword */;
- }
- // Special case `<` and `>`: If they appear in a generic context they are punctuation,
- // not operators.
- if (tokenKind === 29 /* LessThanToken */ || tokenKind === 31 /* GreaterThanToken */) {
- // If the node owning the token has a type argument list or type parameter list, then
- // we can effectively assume that a '<' and '>' belong to those lists.
- if (token && ts.getTypeArgumentOrTypeParameterList(token.parent)) {
- return 10 /* punctuation */;
- }
- }
- if (ts.isPunctuation(tokenKind)) {
- if (token) {
- var parent = token.parent;
- if (tokenKind === 62 /* EqualsToken */) {
- // the '=' in a variable declaration is special cased here.
- if (parent.kind === 242 /* VariableDeclaration */ ||
- parent.kind === 159 /* PropertyDeclaration */ ||
- parent.kind === 156 /* Parameter */ ||
- parent.kind === 273 /* JsxAttribute */) {
- return 5 /* operator */;
- }
- }
- if (parent.kind === 209 /* BinaryExpression */ ||
- parent.kind === 207 /* PrefixUnaryExpression */ ||
- parent.kind === 208 /* PostfixUnaryExpression */ ||
- parent.kind === 210 /* ConditionalExpression */) {
- return 5 /* operator */;
- }
- }
- return 10 /* punctuation */;
- }
- else if (tokenKind === 8 /* NumericLiteral */) {
- return 4 /* numericLiteral */;
- }
- else if (tokenKind === 9 /* BigIntLiteral */) {
- return 25 /* bigintLiteral */;
- }
- else if (tokenKind === 10 /* StringLiteral */) {
- return token && token.parent.kind === 273 /* JsxAttribute */ ? 24 /* jsxAttributeStringLiteralValue */ : 6 /* stringLiteral */;
- }
- else if (tokenKind === 13 /* RegularExpressionLiteral */) {
- // TODO: we should get another classification type for these literals.
- return 6 /* stringLiteral */;
- }
- else if (ts.isTemplateLiteralKind(tokenKind)) {
- // TODO (drosen): we should *also* get another classification type for these literals.
- return 6 /* stringLiteral */;
- }
- else if (tokenKind === 11 /* JsxText */) {
- return 23 /* jsxText */;
- }
- else if (tokenKind === 75 /* Identifier */) {
- if (token) {
- switch (token.parent.kind) {
- case 245 /* ClassDeclaration */:
- if (token.parent.name === token) {
- return 11 /* className */;
- }
- return;
- case 155 /* TypeParameter */:
- if (token.parent.name === token) {
- return 15 /* typeParameterName */;
- }
- return;
- case 246 /* InterfaceDeclaration */:
- if (token.parent.name === token) {
- return 13 /* interfaceName */;
- }
- return;
- case 248 /* EnumDeclaration */:
- if (token.parent.name === token) {
- return 12 /* enumName */;
- }
- return;
- case 249 /* ModuleDeclaration */:
- if (token.parent.name === token) {
- return 14 /* moduleName */;
- }
- return;
- case 156 /* Parameter */:
- if (token.parent.name === token) {
- return ts.isThisIdentifier(token) ? 3 /* keyword */ : 17 /* parameterName */;
- }
- return;
- }
- }
- return 2 /* identifier */;
- }
- }
- function processElement(element) {
- if (!element) {
- return;
- }
- // Ignore nodes that don't intersect the original span to classify.
- if (ts.decodedTextSpanIntersectsWith(spanStart, spanLength, element.pos, element.getFullWidth())) {
- checkForClassificationCancellation(cancellationToken, element.kind);
- for (var _i = 0, _a = element.getChildren(sourceFile); _i < _a.length; _i++) {
- var child = _a[_i];
- if (!tryClassifyNode(child)) {
- // Recurse into our child nodes.
- processElement(child);
- }
- }
- }
- }
- }
- ts.getEncodedSyntacticClassifications = getEncodedSyntacticClassifications;
-})(ts || (ts = {}));
-/* @internal */
-var ts;
-(function (ts) {
- var Completions;
- (function (Completions) {
- var StringCompletions;
- (function (StringCompletions) {
- function getStringLiteralCompletions(sourceFile, position, contextToken, checker, options, host, log, preferences) {
- if (ts.isInReferenceComment(sourceFile, position)) {
- var entries = getTripleSlashReferenceCompletion(sourceFile, position, options, host);
- return entries && convertPathCompletions(entries);
- }
- if (ts.isInString(sourceFile, position, contextToken)) {
- if (!contextToken || !ts.isStringLiteralLike(contextToken))
- return undefined;
- var entries = getStringLiteralCompletionEntries(sourceFile, contextToken, position, checker, options, host);
- return convertStringLiteralCompletions(entries, contextToken, sourceFile, checker, log, preferences);
- }
- }
- StringCompletions.getStringLiteralCompletions = getStringLiteralCompletions;
- function convertStringLiteralCompletions(completion, contextToken, sourceFile, checker, log, preferences) {
- if (completion === undefined) {
- return undefined;
- }
- switch (completion.kind) {
- case 0 /* Paths */:
- return convertPathCompletions(completion.paths);
- case 1 /* Properties */: {
- var entries = [];
- Completions.getCompletionEntriesFromSymbols(completion.symbols, entries, contextToken, sourceFile, sourceFile, checker, 99 /* ESNext */, log, 4 /* String */, preferences); // Target will not be used, so arbitrary
- return { isGlobalCompletion: false, isMemberCompletion: true, isNewIdentifierLocation: completion.hasIndexSignature, entries: entries };
- }
- case 2 /* Types */: {
- var entries = completion.types.map(function (type) { return ({
- name: type.value,
- kindModifiers: "" /* none */,
- kind: "string" /* string */,
- sortText: "0",
- replacementSpan: ts.getReplacementSpanForContextToken(contextToken)
- }); });
- return { isGlobalCompletion: false, isMemberCompletion: false, isNewIdentifierLocation: completion.isNewIdentifier, entries: entries };
- }
- default:
- return ts.Debug.assertNever(completion);
- }
- }
- function getStringLiteralCompletionDetails(name, sourceFile, position, contextToken, checker, options, host, cancellationToken) {
- if (!contextToken || !ts.isStringLiteralLike(contextToken))
- return undefined;
- var completions = getStringLiteralCompletionEntries(sourceFile, contextToken, position, checker, options, host);
- return completions && stringLiteralCompletionDetails(name, contextToken, completions, sourceFile, checker, cancellationToken);
- }
- StringCompletions.getStringLiteralCompletionDetails = getStringLiteralCompletionDetails;
- function stringLiteralCompletionDetails(name, location, completion, sourceFile, checker, cancellationToken) {
- switch (completion.kind) {
- case 0 /* Paths */: {
- var match = ts.find(completion.paths, function (p) { return p.name === name; });
- return match && Completions.createCompletionDetails(name, kindModifiersFromExtension(match.extension), match.kind, [ts.textPart(name)]);
- }
- case 1 /* Properties */: {
- var match = ts.find(completion.symbols, function (s) { return s.name === name; });
- return match && Completions.createCompletionDetailsForSymbol(match, checker, sourceFile, location, cancellationToken);
- }
- case 2 /* Types */:
- return ts.find(completion.types, function (t) { return t.value === name; }) ? Completions.createCompletionDetails(name, "" /* none */, "type" /* typeElement */, [ts.textPart(name)]) : undefined;
- default:
- return ts.Debug.assertNever(completion);
- }
- }
- function convertPathCompletions(pathCompletions) {
- var isGlobalCompletion = false; // We don't want the editor to offer any other completions, such as snippets, inside a comment.
- var isNewIdentifierLocation = true; // The user may type in a path that doesn't yet exist, creating a "new identifier" with respect to the collection of identifiers the server is aware of.
- var entries = pathCompletions.map(function (_a) {
- var name = _a.name, kind = _a.kind, span = _a.span, extension = _a.extension;
- return ({ name: name, kind: kind, kindModifiers: kindModifiersFromExtension(extension), sortText: Completions.SortText.LocationPriority, replacementSpan: span });
- });
- return { isGlobalCompletion: isGlobalCompletion, isMemberCompletion: false, isNewIdentifierLocation: isNewIdentifierLocation, entries: entries };
- }
- function kindModifiersFromExtension(extension) {
- switch (extension) {
- case ".d.ts" /* Dts */: return ".d.ts" /* dtsModifier */;
- case ".js" /* Js */: return ".js" /* jsModifier */;
- case ".json" /* Json */: return ".json" /* jsonModifier */;
- case ".jsx" /* Jsx */: return ".jsx" /* jsxModifier */;
- case ".ts" /* Ts */: return ".ts" /* tsModifier */;
- case ".tsx" /* Tsx */: return ".tsx" /* tsxModifier */;
- case ".tsbuildinfo" /* TsBuildInfo */: return ts.Debug.fail("Extension " + ".tsbuildinfo" /* TsBuildInfo */ + " is unsupported.");
- case undefined: return "" /* none */;
- default:
- return ts.Debug.assertNever(extension);
- }
- }
- var StringLiteralCompletionKind;
- (function (StringLiteralCompletionKind) {
- StringLiteralCompletionKind[StringLiteralCompletionKind["Paths"] = 0] = "Paths";
- StringLiteralCompletionKind[StringLiteralCompletionKind["Properties"] = 1] = "Properties";
- StringLiteralCompletionKind[StringLiteralCompletionKind["Types"] = 2] = "Types";
- })(StringLiteralCompletionKind || (StringLiteralCompletionKind = {}));
- function getStringLiteralCompletionEntries(sourceFile, node, position, typeChecker, compilerOptions, host) {
- var parent = node.parent;
- switch (parent.kind) {
- case 187 /* LiteralType */:
- switch (parent.parent.kind) {
- case 169 /* TypeReference */:
- return { kind: 2 /* Types */, types: getStringLiteralTypes(typeChecker.getTypeArgumentConstraint(parent)), isNewIdentifier: false };
- case 185 /* IndexedAccessType */:
- // Get all apparent property names
- // i.e. interface Foo {
- // foo: string;
- // bar: string;
- // }
- // let x: Foo["/*completion position*/"]
- return stringLiteralCompletionsFromProperties(typeChecker.getTypeFromTypeNode(parent.parent.objectType));
- case 188 /* ImportType */:
- return { kind: 0 /* Paths */, paths: getStringLiteralCompletionsFromModuleNames(sourceFile, node, compilerOptions, host, typeChecker) };
- case 178 /* UnionType */: {
- if (!ts.isTypeReferenceNode(parent.parent.parent))
- return undefined;
- var alreadyUsedTypes_1 = getAlreadyUsedTypesInStringLiteralUnion(parent.parent, parent);
- var types = getStringLiteralTypes(typeChecker.getTypeArgumentConstraint(parent.parent)).filter(function (t) { return !ts.contains(alreadyUsedTypes_1, t.value); });
- return { kind: 2 /* Types */, types: types, isNewIdentifier: false };
- }
- default:
- return undefined;
- }
- case 281 /* PropertyAssignment */:
- if (ts.isObjectLiteralExpression(parent.parent) && parent.name === node) {
- // Get quoted name of properties of the object literal expression
- // i.e. interface ConfigFiles {
- // 'jspm:dev': string
- // }
- // let files: ConfigFiles = {
- // '/*completion position*/'
- // }
- //
- // function foo(c: ConfigFiles) {}
- // foo({
- // '/*completion position*/'
- // });
- return stringLiteralCompletionsFromProperties(typeChecker.getContextualType(parent.parent));
- }
- return fromContextualType();
- case 195 /* ElementAccessExpression */: {
- var _a = parent, expression = _a.expression, argumentExpression = _a.argumentExpression;
- if (node === argumentExpression) {
- // Get all names of properties on the expression
- // i.e. interface A {
- // 'prop1': string
- // }
- // let a: A;
- // a['/*completion position*/']
- return stringLiteralCompletionsFromProperties(typeChecker.getTypeAtLocation(expression));
- }
- return undefined;
- }
- case 196 /* CallExpression */:
- case 197 /* NewExpression */:
- if (!ts.isRequireCall(parent, /*checkArgumentIsStringLiteralLike*/ false) && !ts.isImportCall(parent)) {
- var argumentInfo = ts.SignatureHelp.getArgumentInfoForCompletions(node, position, sourceFile);
- // Get string literal completions from specialized signatures of the target
- // i.e. declare function f(a: 'A');
- // f("/*completion position*/")
- return argumentInfo ? getStringLiteralCompletionsFromSignature(argumentInfo, typeChecker) : fromContextualType();
- }
- // falls through (is `require("")` or `import("")`)
- case 254 /* ImportDeclaration */:
- case 260 /* ExportDeclaration */:
- case 265 /* ExternalModuleReference */:
- // Get all known external module names or complete a path to a module
- // i.e. import * as ns from "/*completion position*/";
- // var y = import("/*completion position*/");
- // import x = require("/*completion position*/");
- // var y = require("/*completion position*/");
- // export * from "/*completion position*/";
- return { kind: 0 /* Paths */, paths: getStringLiteralCompletionsFromModuleNames(sourceFile, node, compilerOptions, host, typeChecker) };
- default:
- return fromContextualType();
- }
- function fromContextualType() {
- // Get completion for string literal from string literal type
- // i.e. var x: "hi" | "hello" = "/*completion position*/"
- return { kind: 2 /* Types */, types: getStringLiteralTypes(ts.getContextualTypeFromParent(node, typeChecker)), isNewIdentifier: false };
- }
- }
- function getAlreadyUsedTypesInStringLiteralUnion(union, current) {
- return ts.mapDefined(union.types, function (type) {
- return type !== current && ts.isLiteralTypeNode(type) && ts.isStringLiteral(type.literal) ? type.literal.text : undefined;
- });
- }
- function getStringLiteralCompletionsFromSignature(argumentInfo, checker) {
- var isNewIdentifier = false;
- var uniques = ts.createMap();
- var candidates = [];
- checker.getResolvedSignature(argumentInfo.invocation, candidates, argumentInfo.argumentCount);
- var types = ts.flatMap(candidates, function (candidate) {
- if (!ts.signatureHasRestParameter(candidate) && argumentInfo.argumentCount > candidate.parameters.length)
- return;
- var type = checker.getParameterType(candidate, argumentInfo.argumentIndex);
- isNewIdentifier = isNewIdentifier || !!(type.flags & 4 /* String */);
- return getStringLiteralTypes(type, uniques);
- });
- return { kind: 2 /* Types */, types: types, isNewIdentifier: isNewIdentifier };
- }
- function stringLiteralCompletionsFromProperties(type) {
- return type && {
- kind: 1 /* Properties */,
- symbols: type.getApparentProperties().filter(function (prop) {
- return !ts.isPrivateIdentifierPropertyDeclaration(ts.isTransientSymbol(prop) && prop.syntheticOrigin ? prop.syntheticOrigin.valueDeclaration : prop.valueDeclaration);
- }),
- hasIndexSignature: ts.hasIndexSignature(type)
- };
- }
- function getStringLiteralTypes(type, uniques) {
- if (uniques === void 0) { uniques = ts.createMap(); }
- if (!type)
- return ts.emptyArray;
- type = ts.skipConstraint(type);
- return type.isUnion() ? ts.flatMap(type.types, function (t) { return getStringLiteralTypes(t, uniques); }) :
- type.isStringLiteral() && !(type.flags & 1024 /* EnumLiteral */) && ts.addToSeen(uniques, type.value) ? [type] : ts.emptyArray;
- }
- function nameAndKind(name, kind, extension) {
- return { name: name, kind: kind, extension: extension };
- }
- function directoryResult(name) {
- return nameAndKind(name, "directory" /* directory */, /*extension*/ undefined);
- }
- function addReplacementSpans(text, textStart, names) {
- var span = getDirectoryFragmentTextSpan(text, textStart);
- return names.map(function (_a) {
- var name = _a.name, kind = _a.kind, extension = _a.extension;
- return ({ name: name, kind: kind, extension: extension, span: span });
- });
- }
- function getStringLiteralCompletionsFromModuleNames(sourceFile, node, compilerOptions, host, typeChecker) {
- return addReplacementSpans(node.text, node.getStart(sourceFile) + 1, getStringLiteralCompletionsFromModuleNamesWorker(sourceFile, node, compilerOptions, host, typeChecker));
- }
- function getStringLiteralCompletionsFromModuleNamesWorker(sourceFile, node, compilerOptions, host, typeChecker) {
- var literalValue = ts.normalizeSlashes(node.text);
- var scriptPath = sourceFile.path;
- var scriptDirectory = ts.getDirectoryPath(scriptPath);
- return isPathRelativeToScript(literalValue) || !compilerOptions.baseUrl && (ts.isRootedDiskPath(literalValue) || ts.isUrl(literalValue))
- ? getCompletionEntriesForRelativeModules(literalValue, scriptDirectory, compilerOptions, host, scriptPath)
- : getCompletionEntriesForNonRelativeModules(literalValue, scriptDirectory, compilerOptions, host, typeChecker);
- }
- function getExtensionOptions(compilerOptions, includeExtensions) {
- if (includeExtensions === void 0) { includeExtensions = false; }
- return { extensions: getSupportedExtensionsForModuleResolution(compilerOptions), includeExtensions: includeExtensions };
- }
- function getCompletionEntriesForRelativeModules(literalValue, scriptDirectory, compilerOptions, host, scriptPath) {
- var extensionOptions = getExtensionOptions(compilerOptions);
- if (compilerOptions.rootDirs) {
- return getCompletionEntriesForDirectoryFragmentWithRootDirs(compilerOptions.rootDirs, literalValue, scriptDirectory, extensionOptions, compilerOptions, host, scriptPath);
- }
- else {
- return getCompletionEntriesForDirectoryFragment(literalValue, scriptDirectory, extensionOptions, host, scriptPath);
- }
- }
- function getSupportedExtensionsForModuleResolution(compilerOptions) {
- var extensions = ts.getSupportedExtensions(compilerOptions);
- return compilerOptions.resolveJsonModule && ts.getEmitModuleResolutionKind(compilerOptions) === ts.ModuleResolutionKind.NodeJs ?
- extensions.concat(".json" /* Json */) :
- extensions;
- }
- /**
- * Takes a script path and returns paths for all potential folders that could be merged with its
- * containing folder via the "rootDirs" compiler option
- */
- function getBaseDirectoriesFromRootDirs(rootDirs, basePath, scriptDirectory, ignoreCase) {
- // Make all paths absolute/normalized if they are not already
- rootDirs = rootDirs.map(function (rootDirectory) { return ts.normalizePath(ts.isRootedDiskPath(rootDirectory) ? rootDirectory : ts.combinePaths(basePath, rootDirectory)); });
- // Determine the path to the directory containing the script relative to the root directory it is contained within
- var relativeDirectory = ts.firstDefined(rootDirs, function (rootDirectory) {
- return ts.containsPath(rootDirectory, scriptDirectory, basePath, ignoreCase) ? scriptDirectory.substr(rootDirectory.length) : undefined;
- }); // TODO: GH#18217
- // Now find a path for each potential directory that is to be merged with the one containing the script
- return ts.deduplicate(__spreadArrays(rootDirs.map(function (rootDirectory) { return ts.combinePaths(rootDirectory, relativeDirectory); }), [scriptDirectory]), ts.equateStringsCaseSensitive, ts.compareStringsCaseSensitive);
- }
- function getCompletionEntriesForDirectoryFragmentWithRootDirs(rootDirs, fragment, scriptDirectory, extensionOptions, compilerOptions, host, exclude) {
- var basePath = compilerOptions.project || host.getCurrentDirectory();
- var ignoreCase = !(host.useCaseSensitiveFileNames && host.useCaseSensitiveFileNames());
- var baseDirectories = getBaseDirectoriesFromRootDirs(rootDirs, basePath, scriptDirectory, ignoreCase);
- return ts.flatMap(baseDirectories, function (baseDirectory) { return getCompletionEntriesForDirectoryFragment(fragment, baseDirectory, extensionOptions, host, exclude); });
- }
- /**
- * Given a path ending at a directory, gets the completions for the path, and filters for those entries containing the basename.
- */
- function getCompletionEntriesForDirectoryFragment(fragment, scriptPath, _a, host, exclude, result) {
- var extensions = _a.extensions, includeExtensions = _a.includeExtensions;
- if (result === void 0) { result = []; }
- if (fragment === undefined) {
- fragment = "";
- }
- fragment = ts.normalizeSlashes(fragment);
- /**
- * Remove the basename from the path. Note that we don't use the basename to filter completions;
- * the client is responsible for refining completions.
- */
- if (!ts.hasTrailingDirectorySeparator(fragment)) {
- fragment = ts.getDirectoryPath(fragment);
- }
- if (fragment === "") {
- fragment = "." + ts.directorySeparator;
- }
- fragment = ts.ensureTrailingDirectorySeparator(fragment);
- // const absolutePath = normalizeAndPreserveTrailingSlash(isRootedDiskPath(fragment) ? fragment : combinePaths(scriptPath, fragment)); // TODO(rbuckton): should use resolvePaths
- var absolutePath = ts.resolvePath(scriptPath, fragment);
- var baseDirectory = ts.hasTrailingDirectorySeparator(absolutePath) ? absolutePath : ts.getDirectoryPath(absolutePath);
- var ignoreCase = !(host.useCaseSensitiveFileNames && host.useCaseSensitiveFileNames());
- if (!ts.tryDirectoryExists(host, baseDirectory))
- return result;
- // Enumerate the available files if possible
- var files = ts.tryReadDirectory(host, baseDirectory, extensions, /*exclude*/ undefined, /*include*/ ["./*"]);
- if (files) {
- /**
- * Multiple file entries might map to the same truncated name once we remove extensions
- * (happens iff includeExtensions === false)so we use a set-like data structure. Eg:
- *
- * both foo.ts and foo.tsx become foo
- */
- var foundFiles = ts.createMap(); // maps file to its extension
- for (var _i = 0, files_1 = files; _i < files_1.length; _i++) {
- var filePath = files_1[_i];
- filePath = ts.normalizePath(filePath);
- if (exclude && ts.comparePaths(filePath, exclude, scriptPath, ignoreCase) === 0 /* EqualTo */) {
- continue;
- }
- var foundFileName = includeExtensions || ts.fileExtensionIs(filePath, ".json" /* Json */) ? ts.getBaseFileName(filePath) : ts.removeFileExtension(ts.getBaseFileName(filePath));
- foundFiles.set(foundFileName, ts.tryGetExtensionFromPath(filePath));
- }
- foundFiles.forEach(function (ext, foundFile) {
- result.push(nameAndKind(foundFile, "script" /* scriptElement */, ext));
- });
- }
- // If possible, get folder completion as well
- var directories = ts.tryGetDirectories(host, baseDirectory);
- if (directories) {
- for (var _b = 0, directories_1 = directories; _b < directories_1.length; _b++) {
- var directory = directories_1[_b];
- var directoryName = ts.getBaseFileName(ts.normalizePath(directory));
- if (directoryName !== "@types") {
- result.push(directoryResult(directoryName));
- }
- }
- }
- // check for a version redirect
- var packageJsonPath = ts.findPackageJson(baseDirectory, host);
- if (packageJsonPath) {
- var packageJson = ts.readJson(packageJsonPath, host);
- var typesVersions = packageJson.typesVersions;
- if (typeof typesVersions === "object") {
- var versionResult = ts.getPackageJsonTypesVersionsPaths(typesVersions);
- var versionPaths = versionResult && versionResult.paths;
- var rest = absolutePath.slice(ts.ensureTrailingDirectorySeparator(baseDirectory).length);
- if (versionPaths) {
- addCompletionEntriesFromPaths(result, rest, baseDirectory, extensions, versionPaths, host);
- }
- }
- }
- return result;
- }
- function addCompletionEntriesFromPaths(result, fragment, baseDirectory, fileExtensions, paths, host) {
- for (var path in paths) {
- if (!ts.hasProperty(paths, path))
- continue;
- var patterns = paths[path];
- if (patterns) {
- var _loop_1 = function (name, kind, extension) {
- // Path mappings may provide a duplicate way to get to something we've already added, so don't add again.
- if (!result.some(function (entry) { return entry.name === name; })) {
- result.push(nameAndKind(name, kind, extension));
- }
- };
- for (var _i = 0, _a = getCompletionsForPathMapping(path, patterns, fragment, baseDirectory, fileExtensions, host); _i < _a.length; _i++) {
- var _b = _a[_i], name = _b.name, kind = _b.kind, extension = _b.extension;
- _loop_1(name, kind, extension);
- }
- }
- }
- }
- /**
- * Check all of the declared modules and those in node modules. Possible sources of modules:
- * Modules that are found by the type checker
- * Modules found relative to "baseUrl" compliler options (including patterns from "paths" compiler option)
- * Modules from node_modules (i.e. those listed in package.json)
- * This includes all files that are found in node_modules/moduleName/ with acceptable file extensions
- */
- function getCompletionEntriesForNonRelativeModules(fragment, scriptPath, compilerOptions, host, typeChecker) {
- var baseUrl = compilerOptions.baseUrl, paths = compilerOptions.paths;
- var result = [];
- var extensionOptions = getExtensionOptions(compilerOptions);
- if (baseUrl) {
- var projectDir = compilerOptions.project || host.getCurrentDirectory();
- var absolute = ts.normalizePath(ts.combinePaths(projectDir, baseUrl));
- getCompletionEntriesForDirectoryFragment(fragment, absolute, extensionOptions, host, /*exclude*/ undefined, result);
- if (paths) {
- addCompletionEntriesFromPaths(result, fragment, absolute, extensionOptions.extensions, paths, host);
- }
- }
- var fragmentDirectory = getFragmentDirectory(fragment);
- for (var _i = 0, _a = getAmbientModuleCompletions(fragment, fragmentDirectory, typeChecker); _i < _a.length; _i++) {
- var ambientName = _a[_i];
- result.push(nameAndKind(ambientName, "external module name" /* externalModuleName */, /*extension*/ undefined));
- }
- getCompletionEntriesFromTypings(host, compilerOptions, scriptPath, fragmentDirectory, extensionOptions, result);
- if (ts.getEmitModuleResolutionKind(compilerOptions) === ts.ModuleResolutionKind.NodeJs) {
- // If looking for a global package name, don't just include everything in `node_modules` because that includes dependencies' own dependencies.
- // (But do if we didn't find anything, e.g. 'package.json' missing.)
- var foundGlobal = false;
- if (fragmentDirectory === undefined) {
- var _loop_2 = function (moduleName) {
- if (!result.some(function (entry) { return entry.name === moduleName; })) {
- foundGlobal = true;
- result.push(nameAndKind(moduleName, "external module name" /* externalModuleName */, /*extension*/ undefined));
- }
- };
- for (var _b = 0, _c = enumerateNodeModulesVisibleToScript(host, scriptPath); _b < _c.length; _b++) {
- var moduleName = _c[_b];
- _loop_2(moduleName);
- }
- }
- if (!foundGlobal) {
- ts.forEachAncestorDirectory(scriptPath, function (ancestor) {
- var nodeModules = ts.combinePaths(ancestor, "node_modules");
- if (ts.tryDirectoryExists(host, nodeModules)) {
- getCompletionEntriesForDirectoryFragment(fragment, nodeModules, extensionOptions, host, /*exclude*/ undefined, result);
- }
- });
- }
- }
- return result;
- }
- function getFragmentDirectory(fragment) {
- return containsSlash(fragment) ? ts.hasTrailingDirectorySeparator(fragment) ? fragment : ts.getDirectoryPath(fragment) : undefined;
- }
- function getCompletionsForPathMapping(path, patterns, fragment, baseUrl, fileExtensions, host) {
- if (!ts.endsWith(path, "*")) {
- // For a path mapping "foo": ["/x/y/z.ts"], add "foo" itself as a completion.
- return !ts.stringContains(path, "*") ? justPathMappingName(path) : ts.emptyArray;
- }
- var pathPrefix = path.slice(0, path.length - 1);
- var remainingFragment = ts.tryRemovePrefix(fragment, pathPrefix);
- return remainingFragment === undefined ? justPathMappingName(pathPrefix) : ts.flatMap(patterns, function (pattern) {
- return getModulesForPathsPattern(remainingFragment, baseUrl, pattern, fileExtensions, host);
- });
- function justPathMappingName(name) {
- return ts.startsWith(name, fragment) ? [directoryResult(name)] : ts.emptyArray;
- }
- }
- function getModulesForPathsPattern(fragment, baseUrl, pattern, fileExtensions, host) {
- if (!host.readDirectory) {
- return undefined;
- }
- var parsed = ts.hasZeroOrOneAsteriskCharacter(pattern) ? ts.tryParsePattern(pattern) : undefined;
- if (!parsed) {
- return undefined;
- }
- // The prefix has two effective parts: the directory path and the base component after the filepath that is not a
- // full directory component. For example: directory/path/of/prefix/base*
- var normalizedPrefix = ts.resolvePath(parsed.prefix);
- var normalizedPrefixDirectory = ts.hasTrailingDirectorySeparator(parsed.prefix) ? normalizedPrefix : ts.getDirectoryPath(normalizedPrefix);
- var normalizedPrefixBase = ts.hasTrailingDirectorySeparator(parsed.prefix) ? "" : ts.getBaseFileName(normalizedPrefix);
- var fragmentHasPath = containsSlash(fragment);
- var fragmentDirectory = fragmentHasPath ? ts.hasTrailingDirectorySeparator(fragment) ? fragment : ts.getDirectoryPath(fragment) : undefined;
- // Try and expand the prefix to include any path from the fragment so that we can limit the readDirectory call
- var expandedPrefixDirectory = fragmentHasPath ? ts.combinePaths(normalizedPrefixDirectory, normalizedPrefixBase + fragmentDirectory) : normalizedPrefixDirectory;
- var normalizedSuffix = ts.normalizePath(parsed.suffix);
- // Need to normalize after combining: If we combinePaths("a", "../b"), we want "b" and not "a/../b".
- var baseDirectory = ts.normalizePath(ts.combinePaths(baseUrl, expandedPrefixDirectory));
- var completePrefix = fragmentHasPath ? baseDirectory : ts.ensureTrailingDirectorySeparator(baseDirectory) + normalizedPrefixBase;
- // If we have a suffix, then we need to read the directory all the way down. We could create a glob
- // that encodes the suffix, but we would have to escape the character "?" which readDirectory
- // doesn't support. For now, this is safer but slower
- var includeGlob = normalizedSuffix ? "**/*" : "./*";
- var matches = ts.mapDefined(ts.tryReadDirectory(host, baseDirectory, fileExtensions, /*exclude*/ undefined, [includeGlob]), function (match) {
- var extension = ts.tryGetExtensionFromPath(match);
- var name = trimPrefixAndSuffix(match);
- return name === undefined ? undefined : nameAndKind(ts.removeFileExtension(name), "script" /* scriptElement */, extension);
- });
- var directories = ts.mapDefined(ts.tryGetDirectories(host, baseDirectory).map(function (d) { return ts.combinePaths(baseDirectory, d); }), function (dir) {
- var name = trimPrefixAndSuffix(dir);
- return name === undefined ? undefined : directoryResult(name);
- });
- return __spreadArrays(matches, directories);
- function trimPrefixAndSuffix(path) {
- var inner = withoutStartAndEnd(ts.normalizePath(path), completePrefix, normalizedSuffix);
- return inner === undefined ? undefined : removeLeadingDirectorySeparator(inner);
- }
- }
- function withoutStartAndEnd(s, start, end) {
- return ts.startsWith(s, start) && ts.endsWith(s, end) ? s.slice(start.length, s.length - end.length) : undefined;
- }
- function removeLeadingDirectorySeparator(path) {
- return path[0] === ts.directorySeparator ? path.slice(1) : path;
- }
- function getAmbientModuleCompletions(fragment, fragmentDirectory, checker) {
- // Get modules that the type checker picked up
- var ambientModules = checker.getAmbientModules().map(function (sym) { return ts.stripQuotes(sym.name); });
- var nonRelativeModuleNames = ambientModules.filter(function (moduleName) { return ts.startsWith(moduleName, fragment); });
- // Nested modules of the form "module-name/sub" need to be adjusted to only return the string
- // after the last '/' that appears in the fragment because that's where the replacement span
- // starts
- if (fragmentDirectory !== undefined) {
- var moduleNameWithSeparator_1 = ts.ensureTrailingDirectorySeparator(fragmentDirectory);
- return nonRelativeModuleNames.map(function (nonRelativeModuleName) { return ts.removePrefix(nonRelativeModuleName, moduleNameWithSeparator_1); });
- }
- return nonRelativeModuleNames;
- }
- function getTripleSlashReferenceCompletion(sourceFile, position, compilerOptions, host) {
- var token = ts.getTokenAtPosition(sourceFile, position);
- var commentRanges = ts.getLeadingCommentRanges(sourceFile.text, token.pos);
- var range = commentRanges && ts.find(commentRanges, function (commentRange) { return position >= commentRange.pos && position <= commentRange.end; });
- if (!range) {
- return undefined;
- }
- var text = sourceFile.text.slice(range.pos, position);
- var match = tripleSlashDirectiveFragmentRegex.exec(text);
- if (!match) {
- return undefined;
- }
- var prefix = match[1], kind = match[2], toComplete = match[3];
- var scriptPath = ts.getDirectoryPath(sourceFile.path);
- var names = kind === "path" ? getCompletionEntriesForDirectoryFragment(toComplete, scriptPath, getExtensionOptions(compilerOptions, /*includeExtensions*/ true), host, sourceFile.path)
- : kind === "types" ? getCompletionEntriesFromTypings(host, compilerOptions, scriptPath, getFragmentDirectory(toComplete), getExtensionOptions(compilerOptions))
- : ts.Debug.fail();
- return addReplacementSpans(toComplete, range.pos + prefix.length, names);
- }
- function getCompletionEntriesFromTypings(host, options, scriptPath, fragmentDirectory, extensionOptions, result) {
- if (result === void 0) { result = []; }
- // Check for typings specified in compiler options
- var seen = ts.createMap();
- var typeRoots = ts.tryAndIgnoreErrors(function () { return ts.getEffectiveTypeRoots(options, host); }) || ts.emptyArray;
- for (var _i = 0, typeRoots_1 = typeRoots; _i < typeRoots_1.length; _i++) {
- var root = typeRoots_1[_i];
- getCompletionEntriesFromDirectories(root);
- }
- // Also get all @types typings installed in visible node_modules directories
- for (var _a = 0, _b = ts.findPackageJsons(scriptPath, host); _a < _b.length; _a++) {
- var packageJson = _b[_a];
- var typesDir = ts.combinePaths(ts.getDirectoryPath(packageJson), "node_modules/@types");
- getCompletionEntriesFromDirectories(typesDir);
- }
- return result;
- function getCompletionEntriesFromDirectories(directory) {
- if (!ts.tryDirectoryExists(host, directory))
- return;
- for (var _i = 0, _a = ts.tryGetDirectories(host, directory); _i < _a.length; _i++) {
- var typeDirectoryName = _a[_i];
- var packageName = ts.unmangleScopedPackageName(typeDirectoryName);
- if (options.types && !ts.contains(options.types, packageName))
- continue;
- if (fragmentDirectory === undefined) {
- if (!seen.has(packageName)) {
- result.push(nameAndKind(packageName, "external module name" /* externalModuleName */, /*extension*/ undefined));
- seen.set(packageName, true);
- }
- }
- else {
- var baseDirectory = ts.combinePaths(directory, typeDirectoryName);
- var remainingFragment = ts.tryRemoveDirectoryPrefix(fragmentDirectory, packageName, ts.hostGetCanonicalFileName(host));
- if (remainingFragment !== undefined) {
- getCompletionEntriesForDirectoryFragment(remainingFragment, baseDirectory, extensionOptions, host, /*exclude*/ undefined, result);
- }
- }
- }
- }
- }
- function enumerateNodeModulesVisibleToScript(host, scriptPath) {
- if (!host.readFile || !host.fileExists)
- return ts.emptyArray;
- var result = [];
- for (var _i = 0, _a = ts.findPackageJsons(scriptPath, host); _i < _a.length; _i++) {
- var packageJson = _a[_i];
- var contents = ts.readJson(packageJson, host); // Cast to assert that readFile is defined
- // Provide completions for all non @types dependencies
- for (var _b = 0, nodeModulesDependencyKeys_1 = nodeModulesDependencyKeys; _b < nodeModulesDependencyKeys_1.length; _b++) {
- var key = nodeModulesDependencyKeys_1[_b];
- var dependencies = contents[key];
- if (!dependencies)
- continue;
- for (var dep in dependencies) {
- if (dependencies.hasOwnProperty(dep) && !ts.startsWith(dep, "@types/")) {
- result.push(dep);
- }
- }
- }
- }
- return result;
- }
- // Replace everything after the last directory separator that appears
- function getDirectoryFragmentTextSpan(text, textStart) {
- var index = Math.max(text.lastIndexOf(ts.directorySeparator), text.lastIndexOf("\\"));
- var offset = index !== -1 ? index + 1 : 0;
- // If the range is an identifier, span is unnecessary.
- var length = text.length - offset;
- return length === 0 || ts.isIdentifierText(text.substr(offset, length), 99 /* ESNext */) ? undefined : ts.createTextSpan(textStart + offset, length);
- }
- // Returns true if the path is explicitly relative to the script (i.e. relative to . or ..)
- function isPathRelativeToScript(path) {
- if (path && path.length >= 2 && path.charCodeAt(0) === 46 /* dot */) {
- var slashIndex = path.length >= 3 && path.charCodeAt(1) === 46 /* dot */ ? 2 : 1;
- var slashCharCode = path.charCodeAt(slashIndex);
- return slashCharCode === 47 /* slash */ || slashCharCode === 92 /* backslash */;
- }
- return false;
- }
- /**
- * Matches a triple slash reference directive with an incomplete string literal for its path. Used
- * to determine if the caret is currently within the string literal and capture the literal fragment
- * for completions.
- * For example, this matches
- *
- * /// <reference path="fragment
- *
- * but not
- *
- * /// <reference path="fragment"
- */
- var tripleSlashDirectiveFragmentRegex = /^(\/\/\/\s*<reference\s+(path|types)\s*=\s*(?:'|"))([^\3"]*)$/;
- var nodeModulesDependencyKeys = ["dependencies", "devDependencies", "peerDependencies", "optionalDependencies"];
- function containsSlash(fragment) {
- return ts.stringContains(fragment, ts.directorySeparator);
- }
- })(StringCompletions = Completions.StringCompletions || (Completions.StringCompletions = {}));
- })(Completions = ts.Completions || (ts.Completions = {}));
-})(ts || (ts = {}));
-/* @internal */
-var ts;
-(function (ts) {
- var Completions;
- (function (Completions) {
- var SortText;
- (function (SortText) {
- SortText["LocationPriority"] = "0";
- SortText["OptionalMember"] = "1";
- SortText["MemberDeclaredBySpreadAssignment"] = "2";
- SortText["SuggestedClassMembers"] = "3";
- SortText["GlobalsOrKeywords"] = "4";
- SortText["AutoImportSuggestions"] = "5";
- SortText["JavascriptIdentifiers"] = "6";
- })(SortText = Completions.SortText || (Completions.SortText = {}));
- /**
- * Special values for `CompletionInfo['source']` used to disambiguate
- * completion items with the same `name`. (Each completion item must
- * have a unique name/source combination, because those two fields
- * comprise `CompletionEntryIdentifier` in `getCompletionEntryDetails`.
- *
- * When the completion item is an auto-import suggestion, the source
- * is the module specifier of the suggestion. To avoid collisions,
- * the values here should not be a module specifier we would ever
- * generate for an auto-import.
- */
- var CompletionSource;
- (function (CompletionSource) {
- /** Completions that require `this.` insertion text */
- CompletionSource["ThisProperty"] = "ThisProperty/";
- })(CompletionSource = Completions.CompletionSource || (Completions.CompletionSource = {}));
- var SymbolOriginInfoKind;
- (function (SymbolOriginInfoKind) {
- SymbolOriginInfoKind[SymbolOriginInfoKind["ThisType"] = 1] = "ThisType";
- SymbolOriginInfoKind[SymbolOriginInfoKind["SymbolMember"] = 2] = "SymbolMember";
- SymbolOriginInfoKind[SymbolOriginInfoKind["Export"] = 4] = "Export";
- SymbolOriginInfoKind[SymbolOriginInfoKind["Promise"] = 8] = "Promise";
- SymbolOriginInfoKind[SymbolOriginInfoKind["Nullable"] = 16] = "Nullable";
- SymbolOriginInfoKind[SymbolOriginInfoKind["SymbolMemberNoExport"] = 2] = "SymbolMemberNoExport";
- SymbolOriginInfoKind[SymbolOriginInfoKind["SymbolMemberExport"] = 6] = "SymbolMemberExport";
- })(SymbolOriginInfoKind || (SymbolOriginInfoKind = {}));
- function originIsThisType(origin) {
- return !!(origin.kind & 1 /* ThisType */);
- }
- function originIsSymbolMember(origin) {
- return !!(origin.kind & 2 /* SymbolMember */);
- }
- function originIsExport(origin) {
- return !!(origin && origin.kind & 4 /* Export */);
- }
- function originIsPromise(origin) {
- return !!(origin.kind & 8 /* Promise */);
- }
- function originIsNullableMember(origin) {
- return !!(origin.kind & 16 /* Nullable */);
- }
- var KeywordCompletionFilters;
- (function (KeywordCompletionFilters) {
- KeywordCompletionFilters[KeywordCompletionFilters["None"] = 0] = "None";
- KeywordCompletionFilters[KeywordCompletionFilters["All"] = 1] = "All";
- KeywordCompletionFilters[KeywordCompletionFilters["ClassElementKeywords"] = 2] = "ClassElementKeywords";
- KeywordCompletionFilters[KeywordCompletionFilters["InterfaceElementKeywords"] = 3] = "InterfaceElementKeywords";
- KeywordCompletionFilters[KeywordCompletionFilters["ConstructorParameterKeywords"] = 4] = "ConstructorParameterKeywords";
- KeywordCompletionFilters[KeywordCompletionFilters["FunctionLikeBodyKeywords"] = 5] = "FunctionLikeBodyKeywords";
- KeywordCompletionFilters[KeywordCompletionFilters["TypeAssertionKeywords"] = 6] = "TypeAssertionKeywords";
- KeywordCompletionFilters[KeywordCompletionFilters["TypeKeywords"] = 7] = "TypeKeywords";
- KeywordCompletionFilters[KeywordCompletionFilters["Last"] = 7] = "Last";
- })(KeywordCompletionFilters || (KeywordCompletionFilters = {}));
- var GlobalsSearch;
- (function (GlobalsSearch) {
- GlobalsSearch[GlobalsSearch["Continue"] = 0] = "Continue";
- GlobalsSearch[GlobalsSearch["Success"] = 1] = "Success";
- GlobalsSearch[GlobalsSearch["Fail"] = 2] = "Fail";
- })(GlobalsSearch || (GlobalsSearch = {}));
- function createImportSuggestionsForFileCache() {
- var cache;
- var projectVersion;
- var fileName;
- return {
- isEmpty: function () {
- return !cache;
- },
- clear: function () {
- cache = undefined;
- fileName = undefined;
- projectVersion = undefined;
- },
- set: function (file, suggestions, version) {
- cache = suggestions;
- fileName = file;
- if (version) {
- projectVersion = version;
- }
- },
- get: function (file, checker, version) {
- if (file !== fileName) {
- return undefined;
- }
- if (version) {
- return projectVersion === version ? cache : undefined;
- }
- ts.forEach(cache, function (suggestion) {
- var _a, _b, _c;
- // If the symbol/moduleSymbol was a merged symbol, it will have a new identity
- // in the checker, even though the symbols to merge are the same (guaranteed by
- // cache invalidation in synchronizeHostData).
- if ((_a = suggestion.symbol.declarations) === null || _a === void 0 ? void 0 : _a.length) {
- suggestion.symbol = checker.getMergedSymbol(suggestion.origin.isDefaultExport
- ? (_b = suggestion.symbol.declarations[0].localSymbol) !== null && _b !== void 0 ? _b : suggestion.symbol.declarations[0].symbol : suggestion.symbol.declarations[0].symbol);
- }
- if ((_c = suggestion.origin.moduleSymbol.declarations) === null || _c === void 0 ? void 0 : _c.length) {
- suggestion.origin.moduleSymbol = checker.getMergedSymbol(suggestion.origin.moduleSymbol.declarations[0].symbol);
- }
- });
- return cache;
- },
- };
- }
- Completions.createImportSuggestionsForFileCache = createImportSuggestionsForFileCache;
- function getCompletionsAtPosition(host, program, log, sourceFile, position, preferences, triggerCharacter) {
- var typeChecker = program.getTypeChecker();
- var compilerOptions = program.getCompilerOptions();
- var contextToken = ts.findPrecedingToken(position, sourceFile);
- if (triggerCharacter && !ts.isInString(sourceFile, position, contextToken) && !isValidTrigger(sourceFile, triggerCharacter, contextToken, position)) {
- return undefined;
- }
- var stringCompletions = Completions.StringCompletions.getStringLiteralCompletions(sourceFile, position, contextToken, typeChecker, compilerOptions, host, log, preferences);
- if (stringCompletions) {
- return stringCompletions;
- }
- if (contextToken && ts.isBreakOrContinueStatement(contextToken.parent)
- && (contextToken.kind === 77 /* BreakKeyword */ || contextToken.kind === 82 /* ContinueKeyword */ || contextToken.kind === 75 /* Identifier */)) {
- return getLabelCompletionAtPosition(contextToken.parent);
- }
- var completionData = getCompletionData(program, log, sourceFile, isUncheckedFile(sourceFile, compilerOptions), position, preferences, /*detailsEntryId*/ undefined, host);
- if (!completionData) {
- return undefined;
- }
- switch (completionData.kind) {
- case 0 /* Data */:
- return completionInfoFromData(sourceFile, typeChecker, compilerOptions, log, completionData, preferences);
- case 1 /* JsDocTagName */:
- // If the current position is a jsDoc tag name, only tag names should be provided for completion
- return jsdocCompletionInfo(ts.JsDoc.getJSDocTagNameCompletions());
- case 2 /* JsDocTag */:
- // If the current position is a jsDoc tag, only tags should be provided for completion
- return jsdocCompletionInfo(ts.JsDoc.getJSDocTagCompletions());
- case 3 /* JsDocParameterName */:
- return jsdocCompletionInfo(ts.JsDoc.getJSDocParameterNameCompletions(completionData.tag));
- default:
- return ts.Debug.assertNever(completionData);
- }
- }
- Completions.getCompletionsAtPosition = getCompletionsAtPosition;
- function jsdocCompletionInfo(entries) {
- return { isGlobalCompletion: false, isMemberCompletion: false, isNewIdentifierLocation: false, entries: entries };
- }
- function completionInfoFromData(sourceFile, typeChecker, compilerOptions, log, completionData, preferences) {
- var symbols = completionData.symbols, completionKind = completionData.completionKind, isInSnippetScope = completionData.isInSnippetScope, isNewIdentifierLocation = completionData.isNewIdentifierLocation, location = completionData.location, propertyAccessToConvert = completionData.propertyAccessToConvert, keywordFilters = completionData.keywordFilters, literals = completionData.literals, symbolToOriginInfoMap = completionData.symbolToOriginInfoMap, recommendedCompletion = completionData.recommendedCompletion, isJsxInitializer = completionData.isJsxInitializer, insideJsDocTagTypeExpression = completionData.insideJsDocTagTypeExpression, symbolToSortTextMap = completionData.symbolToSortTextMap;
- if (location && location.parent && ts.isJsxClosingElement(location.parent)) {
- // In the TypeScript JSX element, if such element is not defined. When users query for completion at closing tag,
- // instead of simply giving unknown value, the completion will return the tag-name of an associated opening-element.
- // For example:
- // var x = <div> </ /*1*/
- // The completion list at "1" will contain "div>" with type any
- // And at `<div> </ /*1*/ >` (with a closing `>`), the completion list will contain "div".
- var tagName = location.parent.parent.openingElement.tagName;
- var hasClosingAngleBracket = !!ts.findChildOfKind(location.parent, 31 /* GreaterThanToken */, sourceFile);
- var entry = {
- name: tagName.getFullText(sourceFile) + (hasClosingAngleBracket ? "" : ">"),
- kind: "class" /* classElement */,
- kindModifiers: undefined,
- sortText: SortText.LocationPriority,
- };
- return { isGlobalCompletion: false, isMemberCompletion: true, isNewIdentifierLocation: false, entries: [entry] };
- }
- var entries = [];
- if (isUncheckedFile(sourceFile, compilerOptions)) {
- var uniqueNames = getCompletionEntriesFromSymbols(symbols, entries,
- /* contextToken */ undefined, location, sourceFile, typeChecker, compilerOptions.target, log, completionKind, preferences, propertyAccessToConvert, completionData.isJsxIdentifierExpected, isJsxInitializer, recommendedCompletion, symbolToOriginInfoMap, symbolToSortTextMap);
- getJSCompletionEntries(sourceFile, location.pos, uniqueNames, compilerOptions.target, entries); // TODO: GH#18217
- }
- else {
- if (!isNewIdentifierLocation && (!symbols || symbols.length === 0) && keywordFilters === 0 /* None */) {
- return undefined;
- }
- getCompletionEntriesFromSymbols(symbols, entries,
- /* contextToken */ undefined, location, sourceFile, typeChecker, compilerOptions.target, log, completionKind, preferences, propertyAccessToConvert, completionData.isJsxIdentifierExpected, isJsxInitializer, recommendedCompletion, symbolToOriginInfoMap, symbolToSortTextMap);
- }
- if (keywordFilters !== 0 /* None */) {
- var entryNames = ts.arrayToSet(entries, function (e) { return e.name; });
- for (var _i = 0, _a = getKeywordCompletions(keywordFilters, !insideJsDocTagTypeExpression && ts.isSourceFileJS(sourceFile)); _i < _a.length; _i++) {
- var keywordEntry = _a[_i];
- if (!entryNames.has(keywordEntry.name)) {
- entries.push(keywordEntry);
- }
- }
- }
- for (var _b = 0, literals_1 = literals; _b < literals_1.length; _b++) {
- var literal = literals_1[_b];
- entries.push(createCompletionEntryForLiteral(literal, preferences));
- }
- return { isGlobalCompletion: isInSnippetScope, isMemberCompletion: isMemberCompletionKind(completionKind), isNewIdentifierLocation: isNewIdentifierLocation, entries: entries };
- }
- function isUncheckedFile(sourceFile, compilerOptions) {
- return ts.isSourceFileJS(sourceFile) && !ts.isCheckJsEnabledForFile(sourceFile, compilerOptions);
- }
- function isMemberCompletionKind(kind) {
- switch (kind) {
- case 0 /* ObjectPropertyDeclaration */:
- case 3 /* MemberLike */:
- case 2 /* PropertyAccess */:
- return true;
- default:
- return false;
- }
- }
- function getJSCompletionEntries(sourceFile, position, uniqueNames, target, entries) {
- ts.getNameTable(sourceFile).forEach(function (pos, name) {
- // Skip identifiers produced only from the current location
- if (pos === position) {
- return;
- }
- var realName = ts.unescapeLeadingUnderscores(name);
- if (!uniqueNames.has(realName) && ts.isIdentifierText(realName, target)) {
- uniqueNames.add(realName);
- entries.push({
- name: realName,
- kind: "warning" /* warning */,
- kindModifiers: "",
- sortText: SortText.JavascriptIdentifiers,
- isFromUncheckedFile: true
- });
- }
- });
- }
- function completionNameForLiteral(literal, preferences) {
- return typeof literal === "object" ? ts.pseudoBigIntToString(literal) + "n" :
- ts.isString(literal) ? ts.quote(literal, preferences) : JSON.stringify(literal);
- }
- function createCompletionEntryForLiteral(literal, preferences) {
- return { name: completionNameForLiteral(literal, preferences), kind: "string" /* string */, kindModifiers: "" /* none */, sortText: SortText.LocationPriority };
- }
- function createCompletionEntry(symbol, sortText, contextToken, location, sourceFile, typeChecker, name, needsConvertPropertyAccess, origin, recommendedCompletion, propertyAccessToConvert, isJsxInitializer, preferences) {
- var insertText;
- var replacementSpan = ts.getReplacementSpanForContextToken(contextToken);
- var insertQuestionDot = origin && originIsNullableMember(origin);
- var useBraces = origin && originIsSymbolMember(origin) || needsConvertPropertyAccess;
- if (origin && originIsThisType(origin)) {
- insertText = needsConvertPropertyAccess
- ? "this" + (insertQuestionDot ? "?." : "") + "[" + quotePropertyName(name, preferences) + "]"
- : "this" + (insertQuestionDot ? "?." : ".") + name;
- }
- // We should only have needsConvertPropertyAccess if there's a property access to convert. But see #21790.
- // Somehow there was a global with a non-identifier name. Hopefully someone will complain about getting a "foo bar" global completion and provide a repro.
- else if ((useBraces || insertQuestionDot) && propertyAccessToConvert) {
- insertText = useBraces ? needsConvertPropertyAccess ? "[" + quotePropertyName(name, preferences) + "]" : "[" + name + "]" : name;
- if (insertQuestionDot || propertyAccessToConvert.questionDotToken) {
- insertText = "?." + insertText;
- }
- var dot = ts.findChildOfKind(propertyAccessToConvert, 24 /* DotToken */, sourceFile) ||
- ts.findChildOfKind(propertyAccessToConvert, 28 /* QuestionDotToken */, sourceFile);
- if (!dot) {
- return undefined;
- }
- // If the text after the '.' starts with this name, write over it. Else, add new text.
- var end = ts.startsWith(name, propertyAccessToConvert.name.text) ? propertyAccessToConvert.name.end : dot.end;
- replacementSpan = ts.createTextSpanFromBounds(dot.getStart(sourceFile), end);
- }
- if (isJsxInitializer) {
- if (insertText === undefined)
- insertText = name;
- insertText = "{" + insertText + "}";
- if (typeof isJsxInitializer !== "boolean") {
- replacementSpan = ts.createTextSpanFromNode(isJsxInitializer, sourceFile);
- }
- }
- if (origin && originIsPromise(origin) && propertyAccessToConvert) {
- if (insertText === undefined)
- insertText = name;
- var precedingToken = ts.findPrecedingToken(propertyAccessToConvert.pos, sourceFile);
- var awaitText = "";
- if (precedingToken && ts.positionIsASICandidate(precedingToken.end, precedingToken.parent, sourceFile)) {
- awaitText = ";";
- }
- awaitText += "(await " + propertyAccessToConvert.expression.getText() + ")";
- insertText = needsConvertPropertyAccess ? "" + awaitText + insertText : "" + awaitText + (insertQuestionDot ? "?." : ".") + insertText;
- replacementSpan = ts.createTextSpanFromBounds(propertyAccessToConvert.getStart(sourceFile), propertyAccessToConvert.end);
- }
- if (insertText !== undefined && !preferences.includeCompletionsWithInsertText) {
- return undefined;
- }
- // TODO(drosen): Right now we just permit *all* semantic meanings when calling
- // 'getSymbolKind' which is permissible given that it is backwards compatible; but
- // really we should consider passing the meaning for the node so that we don't report
- // that a suggestion for a value is an interface. We COULD also just do what
- // 'getSymbolModifiers' does, which is to use the first declaration.
- // Use a 'sortText' of 0' so that all symbol completion entries come before any other
- // entries (like JavaScript identifier entries).
- return {
- name: name,
- kind: ts.SymbolDisplay.getSymbolKind(typeChecker, symbol, location),
- kindModifiers: ts.SymbolDisplay.getSymbolModifiers(symbol),
- sortText: sortText,
- source: getSourceFromOrigin(origin),
- hasAction: origin && originIsExport(origin) || undefined,
- isRecommended: isRecommendedCompletionMatch(symbol, recommendedCompletion, typeChecker) || undefined,
- insertText: insertText,
- replacementSpan: replacementSpan,
- };
- }
- function quotePropertyName(name, preferences) {
- if (/^\d+$/.test(name)) {
- return name;
- }
- return ts.quote(name, preferences);
- }
- function isRecommendedCompletionMatch(localSymbol, recommendedCompletion, checker) {
- return localSymbol === recommendedCompletion ||
- !!(localSymbol.flags & 1048576 /* ExportValue */) && checker.getExportSymbolOfSymbol(localSymbol) === recommendedCompletion;
- }
- function getSourceFromOrigin(origin) {
- if (originIsExport(origin)) {
- return ts.stripQuotes(origin.moduleSymbol.name);
- }
- if ((origin === null || origin === void 0 ? void 0 : origin.kind) === 1 /* ThisType */) {
- return CompletionSource.ThisProperty;
- }
- }
- function getCompletionEntriesFromSymbols(symbols, entries, contextToken, location, sourceFile, typeChecker, target, log, kind, preferences, propertyAccessToConvert, jsxIdentifierExpected, isJsxInitializer, recommendedCompletion, symbolToOriginInfoMap, symbolToSortTextMap) {
- var start = ts.timestamp();
- // Tracks unique names.
- // Value is set to false for global variables or completions from external module exports, because we can have multiple of those;
- // true otherwise. Based on the order we add things we will always see locals first, then globals, then module exports.
- // So adding a completion for a local will prevent us from adding completions for external module exports sharing the same name.
- var uniques = ts.createMap();
- for (var _i = 0, symbols_1 = symbols; _i < symbols_1.length; _i++) {
- var symbol = symbols_1[_i];
- var origin = symbolToOriginInfoMap ? symbolToOriginInfoMap[ts.getSymbolId(symbol)] : undefined;
- var info = getCompletionEntryDisplayNameForSymbol(symbol, target, origin, kind, !!jsxIdentifierExpected);
- if (!info) {
- continue;
- }
- var name = info.name, needsConvertPropertyAccess = info.needsConvertPropertyAccess;
- if (uniques.get(name)) {
- continue;
- }
- var entry = createCompletionEntry(symbol, symbolToSortTextMap && symbolToSortTextMap[ts.getSymbolId(symbol)] || SortText.LocationPriority, contextToken, location, sourceFile, typeChecker, name, needsConvertPropertyAccess, origin, recommendedCompletion, propertyAccessToConvert, isJsxInitializer, preferences);
- if (!entry) {
- continue;
- }
- /** True for locals; false for globals, module exports from other files, `this.` completions. */
- var shouldShadowLaterSymbols = !origin && !(symbol.parent === undefined && !ts.some(symbol.declarations, function (d) { return d.getSourceFile() === location.getSourceFile(); }));
- uniques.set(name, shouldShadowLaterSymbols);
- entries.push(entry);
- }
- log("getCompletionsAtPosition: getCompletionEntriesFromSymbols: " + (ts.timestamp() - start));
- // Prevent consumers of this map from having to worry about
- // the boolean value. Externally, it should be seen as the
- // set of all names.
- return {
- has: function (name) { return uniques.has(name); },
- add: function (name) { return uniques.set(name, true); },
- };
- }
- Completions.getCompletionEntriesFromSymbols = getCompletionEntriesFromSymbols;
- function getLabelCompletionAtPosition(node) {
- var entries = getLabelStatementCompletions(node);
- if (entries.length) {
- return { isGlobalCompletion: false, isMemberCompletion: false, isNewIdentifierLocation: false, entries: entries };
- }
- }
- function getLabelStatementCompletions(node) {
- var entries = [];
- var uniques = ts.createMap();
- var current = node;
- while (current) {
- if (ts.isFunctionLike(current)) {
- break;
- }
- if (ts.isLabeledStatement(current)) {
- var name = current.label.text;
- if (!uniques.has(name)) {
- uniques.set(name, true);
- entries.push({
- name: name,
- kindModifiers: "" /* none */,
- kind: "label" /* label */,
- sortText: SortText.LocationPriority
- });
- }
- }
- current = current.parent;
- }
- return entries;
- }
- function getSymbolCompletionFromEntryId(program, log, sourceFile, position, entryId, host, preferences) {
- var compilerOptions = program.getCompilerOptions();
- var completionData = getCompletionData(program, log, sourceFile, isUncheckedFile(sourceFile, compilerOptions), position, { includeCompletionsForModuleExports: true, includeCompletionsWithInsertText: true }, entryId, host);
- if (!completionData) {
- return { type: "none" };
- }
- if (completionData.kind !== 0 /* Data */) {
- return { type: "request", request: completionData };
- }
- var symbols = completionData.symbols, literals = completionData.literals, location = completionData.location, completionKind = completionData.completionKind, symbolToOriginInfoMap = completionData.symbolToOriginInfoMap, previousToken = completionData.previousToken, isJsxInitializer = completionData.isJsxInitializer, isTypeOnlyLocation = completionData.isTypeOnlyLocation;
- var literal = ts.find(literals, function (l) { return completionNameForLiteral(l, preferences) === entryId.name; });
- if (literal !== undefined)
- return { type: "literal", literal: literal };
- // Find the symbol with the matching entry name.
- // We don't need to perform character checks here because we're only comparing the
- // name against 'entryName' (which is known to be good), not building a new
- // completion entry.
- return ts.firstDefined(symbols, function (symbol) {
- var origin = symbolToOriginInfoMap[ts.getSymbolId(symbol)];
- var info = getCompletionEntryDisplayNameForSymbol(symbol, compilerOptions.target, origin, completionKind, completionData.isJsxIdentifierExpected);
- return info && info.name === entryId.name && getSourceFromOrigin(origin) === entryId.source
- ? { type: "symbol", symbol: symbol, location: location, symbolToOriginInfoMap: symbolToOriginInfoMap, previousToken: previousToken, isJsxInitializer: isJsxInitializer, isTypeOnlyLocation: isTypeOnlyLocation }
- : undefined;
- }) || { type: "none" };
- }
- function getCompletionEntryDetails(program, log, sourceFile, position, entryId, host, formatContext, preferences, cancellationToken) {
- var typeChecker = program.getTypeChecker();
- var compilerOptions = program.getCompilerOptions();
- var name = entryId.name;
- var contextToken = ts.findPrecedingToken(position, sourceFile);
- if (ts.isInString(sourceFile, position, contextToken)) {
- return Completions.StringCompletions.getStringLiteralCompletionDetails(name, sourceFile, position, contextToken, typeChecker, compilerOptions, host, cancellationToken);
- }
- // Compute all the completion symbols again.
- var symbolCompletion = getSymbolCompletionFromEntryId(program, log, sourceFile, position, entryId, host, preferences);
- switch (symbolCompletion.type) {
- case "request": {
- var request = symbolCompletion.request;
- switch (request.kind) {
- case 1 /* JsDocTagName */:
- return ts.JsDoc.getJSDocTagNameCompletionDetails(name);
- case 2 /* JsDocTag */:
- return ts.JsDoc.getJSDocTagCompletionDetails(name);
- case 3 /* JsDocParameterName */:
- return ts.JsDoc.getJSDocParameterNameCompletionDetails(name);
- default:
- return ts.Debug.assertNever(request);
- }
- }
- case "symbol": {
- var symbol = symbolCompletion.symbol, location = symbolCompletion.location, symbolToOriginInfoMap = symbolCompletion.symbolToOriginInfoMap, previousToken = symbolCompletion.previousToken;
- var _a = getCompletionEntryCodeActionsAndSourceDisplay(symbolToOriginInfoMap, symbol, program, typeChecker, host, compilerOptions, sourceFile, position, previousToken, formatContext, preferences), codeActions = _a.codeActions, sourceDisplay = _a.sourceDisplay;
- return createCompletionDetailsForSymbol(symbol, typeChecker, sourceFile, location, cancellationToken, codeActions, sourceDisplay); // TODO: GH#18217
- }
- case "literal": {
- var literal = symbolCompletion.literal;
- return createSimpleDetails(completionNameForLiteral(literal, preferences), "string" /* string */, typeof literal === "string" ? ts.SymbolDisplayPartKind.stringLiteral : ts.SymbolDisplayPartKind.numericLiteral);
- }
- case "none":
- // Didn't find a symbol with this name. See if we can find a keyword instead.
- return allKeywordsCompletions().some(function (c) { return c.name === name; }) ? createSimpleDetails(name, "keyword" /* keyword */, ts.SymbolDisplayPartKind.keyword) : undefined;
- default:
- ts.Debug.assertNever(symbolCompletion);
- }
- }
- Completions.getCompletionEntryDetails = getCompletionEntryDetails;
- function createSimpleDetails(name, kind, kind2) {
- return createCompletionDetails(name, "" /* none */, kind, [ts.displayPart(name, kind2)]);
- }
- function createCompletionDetailsForSymbol(symbol, checker, sourceFile, location, cancellationToken, codeActions, sourceDisplay) {
- var _a = checker.runWithCancellationToken(cancellationToken, function (checker) {
- return ts.SymbolDisplay.getSymbolDisplayPartsDocumentationAndSymbolKind(checker, symbol, sourceFile, location, location, 7 /* All */);
- }), displayParts = _a.displayParts, documentation = _a.documentation, symbolKind = _a.symbolKind, tags = _a.tags;
- return createCompletionDetails(symbol.name, ts.SymbolDisplay.getSymbolModifiers(symbol), symbolKind, displayParts, documentation, tags, codeActions, sourceDisplay);
- }
- Completions.createCompletionDetailsForSymbol = createCompletionDetailsForSymbol;
- function createCompletionDetails(name, kindModifiers, kind, displayParts, documentation, tags, codeActions, source) {
- return { name: name, kindModifiers: kindModifiers, kind: kind, displayParts: displayParts, documentation: documentation, tags: tags, codeActions: codeActions, source: source };
- }
- Completions.createCompletionDetails = createCompletionDetails;
- function getCompletionEntryCodeActionsAndSourceDisplay(symbolToOriginInfoMap, symbol, program, checker, host, compilerOptions, sourceFile, position, previousToken, formatContext, preferences) {
- var symbolOriginInfo = symbolToOriginInfoMap[ts.getSymbolId(symbol)];
- if (!symbolOriginInfo || !originIsExport(symbolOriginInfo)) {
- return { codeActions: undefined, sourceDisplay: undefined };
- }
- var moduleSymbol = symbolOriginInfo.moduleSymbol;
- var exportedSymbol = checker.getMergedSymbol(ts.skipAlias(symbol.exportSymbol || symbol, checker));
- var _a = ts.codefix.getImportCompletionAction(exportedSymbol, moduleSymbol, sourceFile, ts.getNameForExportedSymbol(symbol, compilerOptions.target), host, program, formatContext, previousToken && ts.isIdentifier(previousToken) ? previousToken.getStart(sourceFile) : position, preferences), moduleSpecifier = _a.moduleSpecifier, codeAction = _a.codeAction;
- return { sourceDisplay: [ts.textPart(moduleSpecifier)], codeActions: [codeAction] };
- }
- function getCompletionEntrySymbol(program, log, sourceFile, position, entryId, host, preferences) {
- var completion = getSymbolCompletionFromEntryId(program, log, sourceFile, position, entryId, host, preferences);
- return completion.type === "symbol" ? completion.symbol : undefined;
- }
- Completions.getCompletionEntrySymbol = getCompletionEntrySymbol;
- var CompletionDataKind;
- (function (CompletionDataKind) {
- CompletionDataKind[CompletionDataKind["Data"] = 0] = "Data";
- CompletionDataKind[CompletionDataKind["JsDocTagName"] = 1] = "JsDocTagName";
- CompletionDataKind[CompletionDataKind["JsDocTag"] = 2] = "JsDocTag";
- CompletionDataKind[CompletionDataKind["JsDocParameterName"] = 3] = "JsDocParameterName";
- })(CompletionDataKind || (CompletionDataKind = {}));
- var CompletionKind;
- (function (CompletionKind) {
- CompletionKind[CompletionKind["ObjectPropertyDeclaration"] = 0] = "ObjectPropertyDeclaration";
- CompletionKind[CompletionKind["Global"] = 1] = "Global";
- CompletionKind[CompletionKind["PropertyAccess"] = 2] = "PropertyAccess";
- CompletionKind[CompletionKind["MemberLike"] = 3] = "MemberLike";
- CompletionKind[CompletionKind["String"] = 4] = "String";
- CompletionKind[CompletionKind["None"] = 5] = "None";
- })(CompletionKind = Completions.CompletionKind || (Completions.CompletionKind = {}));
- function getRecommendedCompletion(previousToken, contextualType, checker) {
- // For a union, return the first one with a recommended completion.
- return ts.firstDefined(contextualType && (contextualType.isUnion() ? contextualType.types : [contextualType]), function (type) {
- var symbol = type && type.symbol;
- // Don't include make a recommended completion for an abstract class
- return symbol && (symbol.flags & (8 /* EnumMember */ | 384 /* Enum */ | 32 /* Class */) && !ts.isAbstractConstructorSymbol(symbol))
- ? getFirstSymbolInChain(symbol, previousToken, checker)
- : undefined;
- });
- }
- function getContextualType(previousToken, position, sourceFile, checker) {
- var parent = previousToken.parent;
- switch (previousToken.kind) {
- case 75 /* Identifier */:
- return ts.getContextualTypeFromParent(previousToken, checker);
- case 62 /* EqualsToken */:
- switch (parent.kind) {
- case 242 /* VariableDeclaration */:
- return checker.getContextualType(parent.initializer); // TODO: GH#18217
- case 209 /* BinaryExpression */:
- return checker.getTypeAtLocation(parent.left);
- case 273 /* JsxAttribute */:
- return checker.getContextualTypeForJsxAttribute(parent);
- default:
- return undefined;
- }
- case 99 /* NewKeyword */:
- return checker.getContextualType(parent);
- case 78 /* CaseKeyword */:
- return ts.getSwitchedType(ts.cast(parent, ts.isCaseClause), checker);
- case 18 /* OpenBraceToken */:
- return ts.isJsxExpression(parent) && parent.parent.kind !== 266 /* JsxElement */ ? checker.getContextualTypeForJsxAttribute(parent.parent) : undefined;
- default:
- var argInfo = ts.SignatureHelp.getArgumentInfoForCompletions(previousToken, position, sourceFile);
- return argInfo ?
- // At `,`, treat this as the next argument after the comma.
- checker.getContextualTypeForArgumentAtIndex(argInfo.invocation, argInfo.argumentIndex + (previousToken.kind === 27 /* CommaToken */ ? 1 : 0)) :
- ts.isEqualityOperatorKind(previousToken.kind) && ts.isBinaryExpression(parent) && ts.isEqualityOperatorKind(parent.operatorToken.kind) ?
- // completion at `x ===/**/` should be for the right side
- checker.getTypeAtLocation(parent.left) :
- checker.getContextualType(previousToken);
- }
- }
- function getFirstSymbolInChain(symbol, enclosingDeclaration, checker) {
- var chain = checker.getAccessibleSymbolChain(symbol, enclosingDeclaration, /*meaning*/ 67108863 /* All */, /*useOnlyExternalAliasing*/ false);
- if (chain)
- return ts.first(chain);
- return symbol.parent && (isModuleSymbol(symbol.parent) ? symbol : getFirstSymbolInChain(symbol.parent, enclosingDeclaration, checker));
- }
- function isModuleSymbol(symbol) {
- return symbol.declarations.some(function (d) { return d.kind === 290 /* SourceFile */; });
- }
- function getCompletionData(program, log, sourceFile, isUncheckedFile, position, preferences, detailsEntryId, host) {
- var typeChecker = program.getTypeChecker();
- var start = ts.timestamp();
- var currentToken = ts.getTokenAtPosition(sourceFile, position); // TODO: GH#15853
- // We will check for jsdoc comments with insideComment and getJsDocTagAtPosition. (TODO: that seems rather inefficient to check the same thing so many times.)
- log("getCompletionData: Get current token: " + (ts.timestamp() - start));
- start = ts.timestamp();
- var insideComment = ts.isInComment(sourceFile, position, currentToken);
- log("getCompletionData: Is inside comment: " + (ts.timestamp() - start));
- var insideJsDocTagTypeExpression = false;
- var isInSnippetScope = false;
- if (insideComment) {
- if (ts.hasDocComment(sourceFile, position)) {
- if (sourceFile.text.charCodeAt(position - 1) === 64 /* at */) {
- // The current position is next to the '@' sign, when no tag name being provided yet.
- // Provide a full list of tag names
- return { kind: 1 /* JsDocTagName */ };
- }
- else {
- // When completion is requested without "@", we will have check to make sure that
- // there are no comments prefix the request position. We will only allow "*" and space.
- // e.g
- // /** |c| /*
- //
- // /**
- // |c|
- // */
- //
- // /**
- // * |c|
- // */
- //
- // /**
- // * |c|
- // */
- var lineStart = ts.getLineStartPositionForPosition(position, sourceFile);
- if (!(sourceFile.text.substring(lineStart, position).match(/[^\*|\s|(/\*\*)]/))) {
- return { kind: 2 /* JsDocTag */ };
- }
- }
- }
- // Completion should work inside certain JsDoc tags. For example:
- // /** @type {number | string} */
- // Completion should work in the brackets
- var tag = getJsDocTagAtPosition(currentToken, position);
- if (tag) {
- if (tag.tagName.pos <= position && position <= tag.tagName.end) {
- return { kind: 1 /* JsDocTagName */ };
- }
- if (isTagWithTypeExpression(tag) && tag.typeExpression && tag.typeExpression.kind === 294 /* JSDocTypeExpression */) {
- currentToken = ts.getTokenAtPosition(sourceFile, position);
- if (!currentToken ||
- (!ts.isDeclarationName(currentToken) &&
- (currentToken.parent.kind !== 323 /* JSDocPropertyTag */ ||
- currentToken.parent.name !== currentToken))) {
- // Use as type location if inside tag's type expression
- insideJsDocTagTypeExpression = isCurrentlyEditingNode(tag.typeExpression);
- }
- }
- if (!insideJsDocTagTypeExpression && ts.isJSDocParameterTag(tag) && (ts.nodeIsMissing(tag.name) || tag.name.pos <= position && position <= tag.name.end)) {
- return { kind: 3 /* JsDocParameterName */, tag: tag };
- }
- }
- if (!insideJsDocTagTypeExpression) {
- // Proceed if the current position is in jsDoc tag expression; otherwise it is a normal
- // comment or the plain text part of a jsDoc comment, so no completion should be available
- log("Returning an empty list because completion was inside a regular comment or plain text part of a JsDoc comment.");
- return undefined;
- }
- }
- start = ts.timestamp();
- var previousToken = ts.findPrecedingToken(position, sourceFile, /*startNode*/ undefined); // TODO: GH#18217
- log("getCompletionData: Get previous token 1: " + (ts.timestamp() - start));
- // The decision to provide completion depends on the contextToken, which is determined through the previousToken.
- // Note: 'previousToken' (and thus 'contextToken') can be undefined if we are the beginning of the file
- var contextToken = previousToken;
- // Check if the caret is at the end of an identifier; this is a partial identifier that we want to complete: e.g. a.toS|
- // Skip this partial identifier and adjust the contextToken to the token that precedes it.
- if (contextToken && position <= contextToken.end && (ts.isIdentifierOrPrivateIdentifier(contextToken) || ts.isKeyword(contextToken.kind))) {
- var start_1 = ts.timestamp();
- contextToken = ts.findPrecedingToken(contextToken.getFullStart(), sourceFile, /*startNode*/ undefined); // TODO: GH#18217
- log("getCompletionData: Get previous token 2: " + (ts.timestamp() - start_1));
- }
- // Find the node where completion is requested on.
- // Also determine whether we are trying to complete with members of that node
- // or attributes of a JSX tag.
- var node = currentToken;
- var propertyAccessToConvert;
- var isRightOfDot = false;
- var isRightOfQuestionDot = false;
- var isRightOfOpenTag = false;
- var isStartingCloseTag = false;
- var isJsxInitializer = false;
- var isJsxIdentifierExpected = false;
- var location = ts.getTouchingPropertyName(sourceFile, position);
- if (contextToken) {
- // Bail out if this is a known invalid completion location
- if (isCompletionListBlocker(contextToken)) {
- log("Returning an empty list because completion was requested in an invalid position.");
- return undefined;
- }
- var parent = contextToken.parent;
- if (contextToken.kind === 24 /* DotToken */ || contextToken.kind === 28 /* QuestionDotToken */) {
- isRightOfDot = contextToken.kind === 24 /* DotToken */;
- isRightOfQuestionDot = contextToken.kind === 28 /* QuestionDotToken */;
- switch (parent.kind) {
- case 194 /* PropertyAccessExpression */:
- propertyAccessToConvert = parent;
- node = propertyAccessToConvert.expression;
- if (node.end === contextToken.pos &&
- ts.isCallExpression(node) &&
- node.getChildCount(sourceFile) &&
- ts.last(node.getChildren(sourceFile)).kind !== 21 /* CloseParenToken */) {
- // This is likely dot from incorrectly parsed call expression and user is starting to write spread
- // eg: Math.min(./**/)
- return undefined;
- }
- break;
- case 153 /* QualifiedName */:
- node = parent.left;
- break;
- case 249 /* ModuleDeclaration */:
- node = parent.name;
- break;
- case 188 /* ImportType */:
- case 219 /* MetaProperty */:
- node = parent;
- break;
- default:
- // There is nothing that precedes the dot, so this likely just a stray character
- // or leading into a '...' token. Just bail out instead.
- return undefined;
- }
- }
- else if (sourceFile.languageVariant === 1 /* JSX */) {
- // <UI.Test /* completion position */ />
- // If the tagname is a property access expression, we will then walk up to the top most of property access expression.
- // Then, try to get a JSX container and its associated attributes type.
- if (parent && parent.kind === 194 /* PropertyAccessExpression */) {
- contextToken = parent;
- parent = parent.parent;
- }
- // Fix location
- if (currentToken.parent === location) {
- switch (currentToken.kind) {
- case 31 /* GreaterThanToken */:
- if (currentToken.parent.kind === 266 /* JsxElement */ || currentToken.parent.kind === 268 /* JsxOpeningElement */) {
- location = currentToken;
- }
- break;
- case 43 /* SlashToken */:
- if (currentToken.parent.kind === 267 /* JsxSelfClosingElement */) {
- location = currentToken;
- }
- break;
- }
- }
- switch (parent.kind) {
- case 269 /* JsxClosingElement */:
- if (contextToken.kind === 43 /* SlashToken */) {
- isStartingCloseTag = true;
- location = contextToken;
- }
- break;
- case 209 /* BinaryExpression */:
- if (!binaryExpressionMayBeOpenTag(parent)) {
- break;
- }
- // falls through
- case 267 /* JsxSelfClosingElement */:
- case 266 /* JsxElement */:
- case 268 /* JsxOpeningElement */:
- isJsxIdentifierExpected = true;
- if (contextToken.kind === 29 /* LessThanToken */) {
- isRightOfOpenTag = true;
- location = contextToken;
- }
- break;
- case 273 /* JsxAttribute */:
- switch (previousToken.kind) {
- case 62 /* EqualsToken */:
- isJsxInitializer = true;
- break;
- case 75 /* Identifier */:
- isJsxIdentifierExpected = true;
- // For `<div x=[|f/**/|]`, `parent` will be `x` and `previousToken.parent` will be `f` (which is its own JsxAttribute)
- // Note for `<div someBool f>` we don't want to treat this as a jsx inializer, instead it's the attribute name.
- if (parent !== previousToken.parent &&
- !parent.initializer &&
- ts.findChildOfKind(parent, 62 /* EqualsToken */, sourceFile)) {
- isJsxInitializer = previousToken;
- }
- }
- break;
- }
- }
- }
- var semanticStart = ts.timestamp();
- var completionKind = 5 /* None */;
- var isNewIdentifierLocation = false;
- var keywordFilters = 0 /* None */;
- // This also gets mutated in nested-functions after the return
- var symbols = [];
- var symbolToOriginInfoMap = [];
- var symbolToSortTextMap = [];
- var importSuggestionsCache = host.getImportSuggestionsCache && host.getImportSuggestionsCache();
- var isTypeOnly = isTypeOnlyCompletion();
- if (isRightOfDot || isRightOfQuestionDot) {
- getTypeScriptMemberSymbols();
- }
- else if (isRightOfOpenTag) {
- var tagSymbols = typeChecker.getJsxIntrinsicTagNamesAt(location);
- ts.Debug.assertEachIsDefined(tagSymbols, "getJsxIntrinsicTagNames() should all be defined");
- tryGetGlobalSymbols();
- symbols = tagSymbols.concat(symbols);
- completionKind = 3 /* MemberLike */;
- keywordFilters = 0 /* None */;
- }
- else if (isStartingCloseTag) {
- var tagName = contextToken.parent.parent.openingElement.tagName;
- var tagSymbol = typeChecker.getSymbolAtLocation(tagName);
- if (tagSymbol) {
- symbols = [tagSymbol];
- }
- completionKind = 3 /* MemberLike */;
- keywordFilters = 0 /* None */;
- }
- else {
- // For JavaScript or TypeScript, if we're not after a dot, then just try to get the
- // global symbols in scope. These results should be valid for either language as
- // the set of symbols that can be referenced from this location.
- if (!tryGetGlobalSymbols()) {
- return undefined;
- }
- }
- log("getCompletionData: Semantic work: " + (ts.timestamp() - semanticStart));
- var contextualType = previousToken && getContextualType(previousToken, position, sourceFile, typeChecker);
- var literals = ts.mapDefined(contextualType && (contextualType.isUnion() ? contextualType.types : [contextualType]), function (t) { return t.isLiteral() ? t.value : undefined; });
- var recommendedCompletion = previousToken && contextualType && getRecommendedCompletion(previousToken, contextualType, typeChecker);
- return {
- kind: 0 /* Data */,
- symbols: symbols,
- completionKind: completionKind,
- isInSnippetScope: isInSnippetScope,
- propertyAccessToConvert: propertyAccessToConvert,
- isNewIdentifierLocation: isNewIdentifierLocation,
- location: location,
- keywordFilters: keywordFilters,
- literals: literals,
- symbolToOriginInfoMap: symbolToOriginInfoMap,
- recommendedCompletion: recommendedCompletion,
- previousToken: previousToken,
- isJsxInitializer: isJsxInitializer,
- insideJsDocTagTypeExpression: insideJsDocTagTypeExpression,
- symbolToSortTextMap: symbolToSortTextMap,
- isTypeOnlyLocation: isTypeOnly,
- isJsxIdentifierExpected: isJsxIdentifierExpected,
- };
- function isTagWithTypeExpression(tag) {
- switch (tag.kind) {
- case 317 /* JSDocParameterTag */:
- case 323 /* JSDocPropertyTag */:
- case 318 /* JSDocReturnTag */:
- case 320 /* JSDocTypeTag */:
- case 322 /* JSDocTypedefTag */:
- return true;
- default:
- return false;
- }
- }
- function getTypeScriptMemberSymbols() {
- // Right of dot member completion list
- completionKind = 2 /* PropertyAccess */;
- // Since this is qualified name check it's a type node location
- var isImportType = ts.isLiteralImportTypeNode(node);
- var isTypeLocation = insideJsDocTagTypeExpression
- || (isImportType && !node.isTypeOf)
- || ts.isPartOfTypeNode(node.parent)
- || ts.isPossiblyTypeArgumentPosition(contextToken, sourceFile, typeChecker);
- var isRhsOfImportDeclaration = ts.isInRightSideOfInternalImportEqualsDeclaration(node);
- if (ts.isEntityName(node) || isImportType) {
- var isNamespaceName = ts.isModuleDeclaration(node.parent);
- if (isNamespaceName)
- isNewIdentifierLocation = true;
- var symbol = typeChecker.getSymbolAtLocation(node);
- if (symbol) {
- symbol = ts.skipAlias(symbol, typeChecker);
- if (symbol.flags & (1536 /* Module */ | 384 /* Enum */)) {
- // Extract module or enum members
- var exportedSymbols = typeChecker.getExportsOfModule(symbol);
- ts.Debug.assertEachIsDefined(exportedSymbols, "getExportsOfModule() should all be defined");
- var isValidValueAccess_1 = function (symbol) { return typeChecker.isValidPropertyAccess(isImportType ? node : (node.parent), symbol.name); };
- var isValidTypeAccess_1 = function (symbol) { return symbolCanBeReferencedAtTypeLocation(symbol); };
- var isValidAccess = isNamespaceName
- // At `namespace N.M/**/`, if this is the only declaration of `M`, don't include `M` as a completion.
- ? function (symbol) { return !!(symbol.flags & 1920 /* Namespace */) && !symbol.declarations.every(function (d) { return d.parent === node.parent; }); }
- : isRhsOfImportDeclaration ?
- // Any kind is allowed when dotting off namespace in internal import equals declaration
- function (symbol) { return isValidTypeAccess_1(symbol) || isValidValueAccess_1(symbol); } :
- isTypeLocation ? isValidTypeAccess_1 : isValidValueAccess_1;
- for (var _i = 0, exportedSymbols_1 = exportedSymbols; _i < exportedSymbols_1.length; _i++) {
- var exportedSymbol = exportedSymbols_1[_i];
- if (isValidAccess(exportedSymbol)) {
- symbols.push(exportedSymbol);
- }
- }
- // If the module is merged with a value, we must get the type of the class and add its propertes (for inherited static methods).
- if (!isTypeLocation &&
- symbol.declarations &&
- symbol.declarations.some(function (d) { return d.kind !== 290 /* SourceFile */ && d.kind !== 249 /* ModuleDeclaration */ && d.kind !== 248 /* EnumDeclaration */; })) {
- var type = typeChecker.getTypeOfSymbolAtLocation(symbol, node).getNonOptionalType();
- var insertQuestionDot = false;
- if (type.isNullableType()) {
- var canCorrectToQuestionDot = isRightOfDot &&
- !isRightOfQuestionDot &&
- preferences.includeAutomaticOptionalChainCompletions !== false;
- if (canCorrectToQuestionDot || isRightOfQuestionDot) {
- type = type.getNonNullableType();
- if (canCorrectToQuestionDot) {
- insertQuestionDot = true;
- }
- }
- }
- addTypeProperties(type, !!(node.flags & 32768 /* AwaitContext */), insertQuestionDot);
- }
- return;
- }
- }
- }
- if (ts.isMetaProperty(node) && (node.keywordToken === 99 /* NewKeyword */ || node.keywordToken === 96 /* ImportKeyword */) && contextToken === node.getChildAt(1)) {
- var completion = (node.keywordToken === 99 /* NewKeyword */) ? "target" : "meta";
- symbols.push(typeChecker.createSymbol(4 /* Property */, ts.escapeLeadingUnderscores(completion)));
- return;
- }
- if (!isTypeLocation) {
- var type = typeChecker.getTypeAtLocation(node).getNonOptionalType();
- var insertQuestionDot = false;
- if (type.isNullableType()) {
- var canCorrectToQuestionDot = isRightOfDot &&
- !isRightOfQuestionDot &&
- preferences.includeAutomaticOptionalChainCompletions !== false;
- if (canCorrectToQuestionDot || isRightOfQuestionDot) {
- type = type.getNonNullableType();
- if (canCorrectToQuestionDot) {
- insertQuestionDot = true;
- }
- }
- }
- addTypeProperties(type, !!(node.flags & 32768 /* AwaitContext */), insertQuestionDot);
- }
- }
- function addTypeProperties(type, insertAwait, insertQuestionDot) {
- isNewIdentifierLocation = !!type.getStringIndexType();
- if (isRightOfQuestionDot && ts.some(type.getCallSignatures())) {
- isNewIdentifierLocation = true;
- }
- var propertyAccess = node.kind === 188 /* ImportType */ ? node : node.parent;
- if (isUncheckedFile) {
- // In javascript files, for union types, we don't just get the members that
- // the individual types have in common, we also include all the members that
- // each individual type has. This is because we're going to add all identifiers
- // anyways. So we might as well elevate the members that were at least part
- // of the individual types to a higher status since we know what they are.
- symbols.push.apply(symbols, getPropertiesForCompletion(type, typeChecker));
- }
- else {
- for (var _i = 0, _a = type.getApparentProperties(); _i < _a.length; _i++) {
- var symbol = _a[_i];
- if (typeChecker.isValidPropertyAccessForCompletions(propertyAccess, type, symbol)) {
- addPropertySymbol(symbol, /*insertAwait*/ false, insertQuestionDot);
- }
- }
- }
- if (insertAwait && preferences.includeCompletionsWithInsertText) {
- var promiseType = typeChecker.getPromisedTypeOfPromise(type);
- if (promiseType) {
- for (var _b = 0, _c = promiseType.getApparentProperties(); _b < _c.length; _b++) {
- var symbol = _c[_b];
- if (typeChecker.isValidPropertyAccessForCompletions(propertyAccess, promiseType, symbol)) {
- addPropertySymbol(symbol, /* insertAwait */ true, insertQuestionDot);
- }
- }
- }
- }
- }
- function addPropertySymbol(symbol, insertAwait, insertQuestionDot) {
- // For a computed property with an accessible name like `Symbol.iterator`,
- // we'll add a completion for the *name* `Symbol` instead of for the property.
- // If this is e.g. [Symbol.iterator], add a completion for `Symbol`.
- var computedPropertyName = ts.firstDefined(symbol.declarations, function (decl) { return ts.tryCast(ts.getNameOfDeclaration(decl), ts.isComputedPropertyName); });
- if (computedPropertyName) {
- var leftMostName = getLeftMostName(computedPropertyName.expression); // The completion is for `Symbol`, not `iterator`.
- var nameSymbol = leftMostName && typeChecker.getSymbolAtLocation(leftMostName);
- // If this is nested like for `namespace N { export const sym = Symbol(); }`, we'll add the completion for `N`.
- var firstAccessibleSymbol = nameSymbol && getFirstSymbolInChain(nameSymbol, contextToken, typeChecker);
- if (firstAccessibleSymbol && !symbolToOriginInfoMap[ts.getSymbolId(firstAccessibleSymbol)]) {
- symbols.push(firstAccessibleSymbol);
- var moduleSymbol = firstAccessibleSymbol.parent;
- symbolToOriginInfoMap[ts.getSymbolId(firstAccessibleSymbol)] =
- !moduleSymbol || !ts.isExternalModuleSymbol(moduleSymbol)
- ? { kind: getNullableSymbolOriginInfoKind(2 /* SymbolMemberNoExport */) }
- : { kind: getNullableSymbolOriginInfoKind(6 /* SymbolMemberExport */), moduleSymbol: moduleSymbol, isDefaultExport: false };
- }
- else if (preferences.includeCompletionsWithInsertText) {
- addSymbolOriginInfo(symbol);
- symbols.push(symbol);
- }
- }
- else {
- addSymbolOriginInfo(symbol);
- symbols.push(symbol);
- }
- function addSymbolOriginInfo(symbol) {
- if (preferences.includeCompletionsWithInsertText) {
- if (insertAwait && !symbolToOriginInfoMap[ts.getSymbolId(symbol)]) {
- symbolToOriginInfoMap[ts.getSymbolId(symbol)] = { kind: getNullableSymbolOriginInfoKind(8 /* Promise */) };
- }
- else if (insertQuestionDot) {
- symbolToOriginInfoMap[ts.getSymbolId(symbol)] = { kind: 16 /* Nullable */ };
- }
- }
- }
- function getNullableSymbolOriginInfoKind(kind) {
- return insertQuestionDot ? kind | 16 /* Nullable */ : kind;
- }
- }
- /** Given 'a.b.c', returns 'a'. */
- function getLeftMostName(e) {
- return ts.isIdentifier(e) ? e : ts.isPropertyAccessExpression(e) ? getLeftMostName(e.expression) : undefined;
- }
- function tryGetGlobalSymbols() {
- var result = tryGetObjectLikeCompletionSymbols()
- || tryGetImportOrExportClauseCompletionSymbols()
- || tryGetLocalNamedExportCompletionSymbols()
- || tryGetConstructorCompletion()
- || tryGetClassLikeCompletionSymbols()
- || tryGetJsxCompletionSymbols()
- || (getGlobalCompletions(), 1 /* Success */);
- return result === 1 /* Success */;
- }
- function tryGetConstructorCompletion() {
- if (!tryGetConstructorLikeCompletionContainer(contextToken))
- return 0 /* Continue */;
- // no members, only keywords
- completionKind = 5 /* None */;
- // Declaring new property/method/accessor
- isNewIdentifierLocation = true;
- // Has keywords for constructor parameter
- keywordFilters = 4 /* ConstructorParameterKeywords */;
- return 1 /* Success */;
- }
- function tryGetJsxCompletionSymbols() {
- var jsxContainer = tryGetContainingJsxElement(contextToken);
- // Cursor is inside a JSX self-closing element or opening element
- var attrsType = jsxContainer && typeChecker.getContextualType(jsxContainer.attributes);
- if (!attrsType)
- return 0 /* Continue */;
- var completionsType = jsxContainer && typeChecker.getContextualType(jsxContainer.attributes, 4 /* Completions */);
- symbols = filterJsxAttributes(getPropertiesForObjectExpression(attrsType, completionsType, jsxContainer.attributes, typeChecker), jsxContainer.attributes.properties);
- setSortTextToOptionalMember();
- completionKind = 3 /* MemberLike */;
- isNewIdentifierLocation = false;
- return 1 /* Success */;
- }
- function getGlobalCompletions() {
- keywordFilters = tryGetFunctionLikeBodyCompletionContainer(contextToken) ? 5 /* FunctionLikeBodyKeywords */ : 1 /* All */;
- // Get all entities in the current scope.
- completionKind = 1 /* Global */;
- isNewIdentifierLocation = isNewIdentifierDefinitionLocation(contextToken);
- if (previousToken !== contextToken) {
- ts.Debug.assert(!!previousToken, "Expected 'contextToken' to be defined when different from 'previousToken'.");
- }
- // We need to find the node that will give us an appropriate scope to begin
- // aggregating completion candidates. This is achieved in 'getScopeNode'
- // by finding the first node that encompasses a position, accounting for whether a node
- // is "complete" to decide whether a position belongs to the node.
- //
- // However, at the end of an identifier, we are interested in the scope of the identifier
- // itself, but fall outside of the identifier. For instance:
- //
- // xyz => x$
- //
- // the cursor is outside of both the 'x' and the arrow function 'xyz => x',
- // so 'xyz' is not returned in our results.
- //
- // We define 'adjustedPosition' so that we may appropriately account for
- // being at the end of an identifier. The intention is that if requesting completion
- // at the end of an identifier, it should be effectively equivalent to requesting completion
- // anywhere inside/at the beginning of the identifier. So in the previous case, the
- // 'adjustedPosition' will work as if requesting completion in the following:
- //
- // xyz => $x
- //
- // If previousToken !== contextToken, then
- // - 'contextToken' was adjusted to the token prior to 'previousToken'
- // because we were at the end of an identifier.
- // - 'previousToken' is defined.
- var adjustedPosition = previousToken !== contextToken ?
- previousToken.getStart() :
- position;
- var scopeNode = getScopeNode(contextToken, adjustedPosition, sourceFile) || sourceFile;
- isInSnippetScope = isSnippetScope(scopeNode);
- var symbolMeanings = (isTypeOnly ? 0 /* None */ : 111551 /* Value */) | 788968 /* Type */ | 1920 /* Namespace */ | 2097152 /* Alias */;
- symbols = typeChecker.getSymbolsInScope(scopeNode, symbolMeanings);
- ts.Debug.assertEachIsDefined(symbols, "getSymbolsInScope() should all be defined");
- for (var _i = 0, symbols_2 = symbols; _i < symbols_2.length; _i++) {
- var symbol = symbols_2[_i];
- if (!typeChecker.isArgumentsSymbol(symbol) &&
- !ts.some(symbol.declarations, function (d) { return d.getSourceFile() === sourceFile; })) {
- symbolToSortTextMap[ts.getSymbolId(symbol)] = SortText.GlobalsOrKeywords;
- }
- }
- // Need to insert 'this.' before properties of `this` type, so only do that if `includeInsertTextCompletions`
- if (preferences.includeCompletionsWithInsertText && scopeNode.kind !== 290 /* SourceFile */) {
- var thisType = typeChecker.tryGetThisTypeAt(scopeNode, /*includeGlobalThis*/ false);
- if (thisType && !isProbablyGlobalType(thisType, sourceFile, typeChecker)) {
- for (var _a = 0, _b = getPropertiesForCompletion(thisType, typeChecker); _a < _b.length; _a++) {
- var symbol = _b[_a];
- symbolToOriginInfoMap[ts.getSymbolId(symbol)] = { kind: 1 /* ThisType */ };
- symbols.push(symbol);
- symbolToSortTextMap[ts.getSymbolId(symbol)] = SortText.SuggestedClassMembers;
- }
- }
- }
- if (shouldOfferImportCompletions()) {
- var lowerCaseTokenText_1 = previousToken && ts.isIdentifier(previousToken) ? previousToken.text.toLowerCase() : "";
- var autoImportSuggestions = getSymbolsFromOtherSourceFileExports(program.getCompilerOptions().target, host);
- if (!detailsEntryId && importSuggestionsCache) {
- importSuggestionsCache.set(sourceFile.fileName, autoImportSuggestions, host.getProjectVersion && host.getProjectVersion());
- }
- autoImportSuggestions.forEach(function (_a) {
- var symbol = _a.symbol, symbolName = _a.symbolName, skipFilter = _a.skipFilter, origin = _a.origin;
- if (detailsEntryId) {
- if (detailsEntryId.source && ts.stripQuotes(origin.moduleSymbol.name) !== detailsEntryId.source) {
- return;
- }
- }
- else if (!skipFilter && !stringContainsCharactersInOrder(symbolName.toLowerCase(), lowerCaseTokenText_1)) {
- return;
- }
- var symbolId = ts.getSymbolId(symbol);
- symbols.push(symbol);
- symbolToOriginInfoMap[symbolId] = origin;
- symbolToSortTextMap[symbolId] = SortText.AutoImportSuggestions;
- });
- }
- filterGlobalCompletion(symbols);
- }
- function shouldOfferImportCompletions() {
- // If not already a module, must have modules enabled.
- if (!preferences.includeCompletionsForModuleExports)
- return false;
- // If already using ES6 modules, OK to continue using them.
- if (sourceFile.externalModuleIndicator || sourceFile.commonJsModuleIndicator)
- return true;
- // If module transpilation is enabled or we're targeting es6 or above, or not emitting, OK.
- if (ts.compilerOptionsIndicateEs6Modules(program.getCompilerOptions()))
- return true;
- // If some file is using ES6 modules, assume that it's OK to add more.
- return ts.programContainsModules(program);
- }
- function isSnippetScope(scopeNode) {
- switch (scopeNode.kind) {
- case 290 /* SourceFile */:
- case 211 /* TemplateExpression */:
- case 276 /* JsxExpression */:
- case 223 /* Block */:
- return true;
- default:
- return ts.isStatement(scopeNode);
- }
- }
- function filterGlobalCompletion(symbols) {
- var isTypeOnly = isTypeOnlyCompletion();
- if (isTypeOnly) {
- keywordFilters = isTypeAssertion()
- ? 6 /* TypeAssertionKeywords */
- : 7 /* TypeKeywords */;
- }
- ts.filterMutate(symbols, function (symbol) {
- if (!ts.isSourceFile(location)) {
- // export = /**/ here we want to get all meanings, so any symbol is ok
- if (ts.isExportAssignment(location.parent)) {
- return true;
- }
- symbol = ts.skipAlias(symbol, typeChecker);
- // import m = /**/ <-- It can only access namespace (if typing import = x. this would get member symbols and not namespace)
- if (ts.isInRightSideOfInternalImportEqualsDeclaration(location)) {
- return !!(symbol.flags & 1920 /* Namespace */);
- }
- if (isTypeOnly) {
- // It's a type, but you can reach it by namespace.type as well
- return symbolCanBeReferencedAtTypeLocation(symbol);
- }
- }
- // expressions are value space (which includes the value namespaces)
- return !!(ts.getCombinedLocalAndExportSymbolFlags(symbol) & 111551 /* Value */);
- });
- }
- function isTypeAssertion() {
- return ts.isAssertionExpression(contextToken.parent);
- }
- function isTypeOnlyCompletion() {
- return insideJsDocTagTypeExpression
- || !isContextTokenValueLocation(contextToken) &&
- (ts.isPossiblyTypeArgumentPosition(contextToken, sourceFile, typeChecker)
- || ts.isPartOfTypeNode(location)
- || isContextTokenTypeLocation(contextToken));
- }
- function isContextTokenValueLocation(contextToken) {
- return contextToken &&
- contextToken.kind === 108 /* TypeOfKeyword */ &&
- (contextToken.parent.kind === 172 /* TypeQuery */ || ts.isTypeOfExpression(contextToken.parent));
- }
- function isContextTokenTypeLocation(contextToken) {
- if (contextToken) {
- var parentKind = contextToken.parent.kind;
- switch (contextToken.kind) {
- case 58 /* ColonToken */:
- return parentKind === 159 /* PropertyDeclaration */ ||
- parentKind === 158 /* PropertySignature */ ||
- parentKind === 156 /* Parameter */ ||
- parentKind === 242 /* VariableDeclaration */ ||
- ts.isFunctionLikeKind(parentKind);
- case 62 /* EqualsToken */:
- return parentKind === 247 /* TypeAliasDeclaration */;
- case 123 /* AsKeyword */:
- return parentKind === 217 /* AsExpression */;
- case 29 /* LessThanToken */:
- return parentKind === 169 /* TypeReference */ ||
- parentKind === 199 /* TypeAssertionExpression */;
- case 90 /* ExtendsKeyword */:
- return parentKind === 155 /* TypeParameter */;
- }
- }
- return false;
- }
- /** True if symbol is a type or a module containing at least one type. */
- function symbolCanBeReferencedAtTypeLocation(symbol, seenModules) {
- if (seenModules === void 0) { seenModules = ts.createMap(); }
- var sym = ts.skipAlias(symbol.exportSymbol || symbol, typeChecker);
- return !!(sym.flags & 788968 /* Type */) ||
- !!(sym.flags & 1536 /* Module */) &&
- ts.addToSeen(seenModules, ts.getSymbolId(sym)) &&
- typeChecker.getExportsOfModule(sym).some(function (e) { return symbolCanBeReferencedAtTypeLocation(e, seenModules); });
- }
- /**
- * Gathers symbols that can be imported from other files, de-duplicating along the way. Symbols can be "duplicates"
- * if re-exported from another module, e.g. `export { foo } from "./a"`. That syntax creates a fresh symbol, but
- * it’s just an alias to the first, and both have the same name, so we generally want to filter those aliases out,
- * if and only if the the first can be imported (it may be excluded due to package.json filtering in
- * `codefix.forEachExternalModuleToImportFrom`).
- *
- * Example. Imagine a chain of node_modules re-exporting one original symbol:
- *
- * ```js
- * node_modules/x/index.js node_modules/y/index.js node_modules/z/index.js
- * +-----------------------+ +--------------------------+ +--------------------------+
- * | | | | | |
- * | export const foo = 0; | <--- | export { foo } from 'x'; | <--- | export { foo } from 'y'; |
- * | | | | | |
- * +-----------------------+ +--------------------------+ +--------------------------+
- * ```
- *
- * Also imagine three buckets, which we’ll reference soon:
- *
- * ```md
- * | | | | | |
- * | **Bucket A** | | **Bucket B** | | **Bucket C** |
- * | Symbols to | | Aliases to symbols | | Symbols to return |
- * | definitely | | in Buckets A or C | | if nothing better |
- * | return | | (don’t return these) | | comes along |
- * |__________________| |______________________| |___________________|
- * ```
- *
- * We _probably_ want to show `foo` from 'x', but not from 'y' or 'z'. However, if 'x' is not in a package.json, it
- * will not appear in a `forEachExternalModuleToImportFrom` iteration. Furthermore, the order of iterations is not
- * guaranteed, as it is host-dependent. Therefore, when presented with the symbol `foo` from module 'y' alone, we
- * may not be sure whether or not it should go in the list. So, we’ll take the following steps:
- *
- * 1. Resolve alias `foo` from 'y' to the export declaration in 'x', get the symbol there, and see if that symbol is
- * already in Bucket A (symbols we already know will be returned). If it is, put `foo` from 'y' in Bucket B
- * (symbols that are aliases to symbols in Bucket A). If it’s not, put it in Bucket C.
- * 2. Next, imagine we see `foo` from module 'z'. Again, we resolve the alias to the nearest export, which is in 'y'.
- * At this point, if that nearest export from 'y' is in _any_ of the three buckets, we know the symbol in 'z'
- * should never be returned in the final list, so put it in Bucket B.
- * 3. Next, imagine we see `foo` from module 'x', the original. Syntactically, it doesn’t look like a re-export, so
- * we can just check Bucket C to see if we put any aliases to the original in there. If they exist, throw them out.
- * Put this symbol in Bucket A.
- * 4. After we’ve iterated through every symbol of every module, any symbol left in Bucket C means that step 3 didn’t
- * occur for that symbol---that is, the original symbol is not in Bucket A, so we should include the alias. Move
- * everything from Bucket C to Bucket A.
- */
- function getSymbolsFromOtherSourceFileExports(target, host) {
- var cached = importSuggestionsCache && importSuggestionsCache.get(sourceFile.fileName, typeChecker, detailsEntryId && host.getProjectVersion ? host.getProjectVersion() : undefined);
- if (cached) {
- log("getSymbolsFromOtherSourceFileExports: Using cached list");
- return cached;
- }
- var startTime = ts.timestamp();
- log("getSymbolsFromOtherSourceFileExports: Recomputing list" + (detailsEntryId ? " for details entry" : ""));
- var seenResolvedModules = ts.createMap();
- var seenExports = ts.createMap();
- /** Bucket B */
- var aliasesToAlreadyIncludedSymbols = ts.createMap();
- /** Bucket C */
- var aliasesToReturnIfOriginalsAreMissing = ts.createMap();
- /** Bucket A */
- var results = [];
- /** Ids present in `results` for faster lookup */
- var resultSymbolIds = ts.createMap();
- ts.codefix.forEachExternalModuleToImportFrom(program, host, sourceFile, !detailsEntryId, function (moduleSymbol) {
- // Perf -- ignore other modules if this is a request for details
- if (detailsEntryId && detailsEntryId.source && ts.stripQuotes(moduleSymbol.name) !== detailsEntryId.source) {
- return;
- }
- var resolvedModuleSymbol = typeChecker.resolveExternalModuleSymbol(moduleSymbol);
- // resolvedModuleSymbol may be a namespace. A namespace may be `export =` by multiple module declarations, but only keep the first one.
- if (!ts.addToSeen(seenResolvedModules, ts.getSymbolId(resolvedModuleSymbol))) {
- return;
- }
- // Don't add another completion for `export =` of a symbol that's already global.
- // So in `declare namespace foo {} declare module "foo" { export = foo; }`, there will just be the global completion for `foo`.
- if (resolvedModuleSymbol !== moduleSymbol && ts.every(resolvedModuleSymbol.declarations, ts.isNonGlobalDeclaration)) {
- pushSymbol(resolvedModuleSymbol, moduleSymbol, /*skipFilter*/ true);
- }
- for (var _i = 0, _a = typeChecker.getExportsAndPropertiesOfModule(moduleSymbol); _i < _a.length; _i++) {
- var symbol = _a[_i];
- var symbolId = ts.getSymbolId(symbol).toString();
- // `getExportsAndPropertiesOfModule` can include duplicates
- if (!ts.addToSeen(seenExports, symbolId)) {
- continue;
- }
- // If this is `export { _break as break };` (a keyword) -- skip this and prefer the keyword completion.
- if (ts.some(symbol.declarations, function (d) { return ts.isExportSpecifier(d) && !!d.propertyName && ts.isIdentifierANonContextualKeyword(d.name); })) {
- continue;
- }
- // If `symbol.parent !== moduleSymbol`, this is an `export * from "foo"` re-export. Those don't create new symbols.
- var isExportStarFromReExport = typeChecker.getMergedSymbol(symbol.parent) !== resolvedModuleSymbol;
- // If `!!d.parent.parent.moduleSpecifier`, this is `export { foo } from "foo"` re-export, which creates a new symbol (thus isn't caught by the first check).
- if (isExportStarFromReExport || ts.some(symbol.declarations, function (d) { return ts.isExportSpecifier(d) && !d.propertyName && !!d.parent.parent.moduleSpecifier; })) {
- // Walk the export chain back one module (step 1 or 2 in diagrammed example).
- // Or, in the case of `export * from "foo"`, `symbol` already points to the original export, so just use that.
- var nearestExportSymbol = isExportStarFromReExport ? symbol : getNearestExportSymbol(symbol);
- if (!nearestExportSymbol)
- continue;
- var nearestExportSymbolId = ts.getSymbolId(nearestExportSymbol).toString();
- var symbolHasBeenSeen = resultSymbolIds.has(nearestExportSymbolId) || aliasesToAlreadyIncludedSymbols.has(nearestExportSymbolId);
- if (!symbolHasBeenSeen) {
- aliasesToReturnIfOriginalsAreMissing.set(nearestExportSymbolId, { alias: symbol, moduleSymbol: moduleSymbol });
- aliasesToAlreadyIncludedSymbols.set(symbolId, true);
- }
- else {
- // Perf - we know this symbol is an alias to one that’s already covered in `symbols`, so store it here
- // in case another symbol re-exports this one; that way we can short-circuit as soon as we see this symbol id.
- ts.addToSeen(aliasesToAlreadyIncludedSymbols, symbolId);
- }
- }
- else {
- // This is not a re-export, so see if we have any aliases pending and remove them (step 3 in diagrammed example)
- aliasesToReturnIfOriginalsAreMissing.delete(symbolId);
- pushSymbol(symbol, moduleSymbol);
- }
- }
- });
- // By this point, any potential duplicates that were actually duplicates have been
- // removed, so the rest need to be added. (Step 4 in diagrammed example)
- aliasesToReturnIfOriginalsAreMissing.forEach(function (_a) {
- var alias = _a.alias, moduleSymbol = _a.moduleSymbol;
- return pushSymbol(alias, moduleSymbol);
- });
- log("getSymbolsFromOtherSourceFileExports: " + (ts.timestamp() - startTime));
- return results;
- function pushSymbol(symbol, moduleSymbol, skipFilter) {
- if (skipFilter === void 0) { skipFilter = false; }
- var isDefaultExport = symbol.escapedName === "default" /* Default */;
- if (isDefaultExport) {
- symbol = ts.getLocalSymbolForExportDefault(symbol) || symbol;
- }
- if (typeChecker.isUndefinedSymbol(symbol)) {
- return;
- }
- ts.addToSeen(resultSymbolIds, ts.getSymbolId(symbol));
- var origin = { kind: 4 /* Export */, moduleSymbol: moduleSymbol, isDefaultExport: isDefaultExport };
- results.push({
- symbol: symbol,
- symbolName: ts.getNameForExportedSymbol(symbol, target),
- origin: origin,
- skipFilter: skipFilter,
- });
- }
- }
- function getNearestExportSymbol(fromSymbol) {
- return findAlias(typeChecker, fromSymbol, function (alias) {
- return ts.some(alias.declarations, function (d) { return ts.isExportSpecifier(d) || !!d.localSymbol; });
- });
- }
- /**
- * True if you could remove some characters in `a` to get `b`.
- * E.g., true for "abcdef" and "bdf".
- * But not true for "abcdef" and "dbf".
- */
- function stringContainsCharactersInOrder(str, characters) {
- if (characters.length === 0) {
- return true;
- }
- var characterIndex = 0;
- for (var strIndex = 0; strIndex < str.length; strIndex++) {
- if (str.charCodeAt(strIndex) === characters.charCodeAt(characterIndex)) {
- characterIndex++;
- if (characterIndex === characters.length) {
- return true;
- }
- }
- }
- // Did not find all characters
- return false;
- }
- /**
- * Finds the first node that "embraces" the position, so that one may
- * accurately aggregate locals from the closest containing scope.
- */
- function getScopeNode(initialToken, position, sourceFile) {
- var scope = initialToken;
- while (scope && !ts.positionBelongsToNode(scope, position, sourceFile)) {
- scope = scope.parent;
- }
- return scope;
- }
- function isCompletionListBlocker(contextToken) {
- var start = ts.timestamp();
- var result = isInStringOrRegularExpressionOrTemplateLiteral(contextToken) ||
- isSolelyIdentifierDefinitionLocation(contextToken) ||
- isDotOfNumericLiteral(contextToken) ||
- isInJsxText(contextToken);
- log("getCompletionsAtPosition: isCompletionListBlocker: " + (ts.timestamp() - start));
- return result;
- }
- function isInJsxText(contextToken) {
- if (contextToken.kind === 11 /* JsxText */) {
- return true;
- }
- if (contextToken.kind === 31 /* GreaterThanToken */ && contextToken.parent) {
- if (contextToken.parent.kind === 268 /* JsxOpeningElement */) {
- // Two possibilities:
- // 1. <div>/**/
- // - contextToken: GreaterThanToken (before cursor)
- // - location: JSXElement
- // - different parents (JSXOpeningElement, JSXElement)
- // 2. <Component<string> /**/>
- // - contextToken: GreaterThanToken (before cursor)
- // - location: GreaterThanToken (after cursor)
- // - same parent (JSXOpeningElement)
- return location.parent.kind !== 268 /* JsxOpeningElement */;
- }
- if (contextToken.parent.kind === 269 /* JsxClosingElement */ || contextToken.parent.kind === 267 /* JsxSelfClosingElement */) {
- return !!contextToken.parent.parent && contextToken.parent.parent.kind === 266 /* JsxElement */;
- }
- }
- return false;
- }
- function isNewIdentifierDefinitionLocation(previousToken) {
- if (previousToken) {
- var containingNodeKind = previousToken.parent.kind;
- // Previous token may have been a keyword that was converted to an identifier.
- switch (keywordForNode(previousToken)) {
- case 27 /* CommaToken */:
- return containingNodeKind === 196 /* CallExpression */ // func( a, |
- || containingNodeKind === 162 /* Constructor */ // constructor( a, | /* public, protected, private keywords are allowed here, so show completion */
- || containingNodeKind === 197 /* NewExpression */ // new C(a, |
- || containingNodeKind === 192 /* ArrayLiteralExpression */ // [a, |
- || containingNodeKind === 209 /* BinaryExpression */ // const x = (a, |
- || containingNodeKind === 170 /* FunctionType */; // var x: (s: string, list|
- case 20 /* OpenParenToken */:
- return containingNodeKind === 196 /* CallExpression */ // func( |
- || containingNodeKind === 162 /* Constructor */ // constructor( |
- || containingNodeKind === 197 /* NewExpression */ // new C(a|
- || containingNodeKind === 200 /* ParenthesizedExpression */ // const x = (a|
- || containingNodeKind === 182 /* ParenthesizedType */; // function F(pred: (a| /* this can become an arrow function, where 'a' is the argument */
- case 22 /* OpenBracketToken */:
- return containingNodeKind === 192 /* ArrayLiteralExpression */ // [ |
- || containingNodeKind === 167 /* IndexSignature */ // [ | : string ]
- || containingNodeKind === 154 /* ComputedPropertyName */; // [ | /* this can become an index signature */
- case 135 /* ModuleKeyword */: // module |
- case 136 /* NamespaceKeyword */: // namespace |
- return true;
- case 24 /* DotToken */:
- return containingNodeKind === 249 /* ModuleDeclaration */; // module A.|
- case 18 /* OpenBraceToken */:
- return containingNodeKind === 245 /* ClassDeclaration */; // class A{ |
- case 62 /* EqualsToken */:
- return containingNodeKind === 242 /* VariableDeclaration */ // const x = a|
- || containingNodeKind === 209 /* BinaryExpression */; // x = a|
- case 15 /* TemplateHead */:
- return containingNodeKind === 211 /* TemplateExpression */; // `aa ${|
- case 16 /* TemplateMiddle */:
- return containingNodeKind === 221 /* TemplateSpan */; // `aa ${10} dd ${|
- case 119 /* PublicKeyword */:
- case 117 /* PrivateKeyword */:
- case 118 /* ProtectedKeyword */:
- return containingNodeKind === 159 /* PropertyDeclaration */; // class A{ public |
- }
- }
- return false;
- }
- function isInStringOrRegularExpressionOrTemplateLiteral(contextToken) {
- // To be "in" one of these literals, the position has to be:
- // 1. entirely within the token text.
- // 2. at the end position of an unterminated token.
- // 3. at the end of a regular expression (due to trailing flags like '/foo/g').
- return (ts.isRegularExpressionLiteral(contextToken) || ts.isStringTextContainingNode(contextToken)) && (ts.rangeContainsPositionExclusive(ts.createTextRangeFromSpan(ts.createTextSpanFromNode(contextToken)), position) ||
- position === contextToken.end && (!!contextToken.isUnterminated || ts.isRegularExpressionLiteral(contextToken)));
- }
- /**
- * Aggregates relevant symbols for completion in object literals and object binding patterns.
- * Relevant symbols are stored in the captured 'symbols' variable.
- *
- * @returns true if 'symbols' was successfully populated; false otherwise.
- */
- function tryGetObjectLikeCompletionSymbols() {
- var objectLikeContainer = tryGetObjectLikeCompletionContainer(contextToken);
- if (!objectLikeContainer)
- return 0 /* Continue */;
- // We're looking up possible property names from contextual/inferred/declared type.
- completionKind = 0 /* ObjectPropertyDeclaration */;
- var typeMembers;
- var existingMembers;
- if (objectLikeContainer.kind === 193 /* ObjectLiteralExpression */) {
- var instantiatedType = typeChecker.getContextualType(objectLikeContainer);
- var completionsType = instantiatedType && typeChecker.getContextualType(objectLikeContainer, 4 /* Completions */);
- if (!instantiatedType || !completionsType)
- return 2 /* Fail */;
- isNewIdentifierLocation = ts.hasIndexSignature(instantiatedType || completionsType);
- typeMembers = getPropertiesForObjectExpression(instantiatedType, completionsType, objectLikeContainer, typeChecker);
- existingMembers = objectLikeContainer.properties;
- }
- else {
- ts.Debug.assert(objectLikeContainer.kind === 189 /* ObjectBindingPattern */);
- // We are *only* completing on properties from the type being destructured.
- isNewIdentifierLocation = false;
- var rootDeclaration = ts.getRootDeclaration(objectLikeContainer.parent);
- if (!ts.isVariableLike(rootDeclaration))
- return ts.Debug.fail("Root declaration is not variable-like.");
- // We don't want to complete using the type acquired by the shape
- // of the binding pattern; we are only interested in types acquired
- // through type declaration or inference.
- // Also proceed if rootDeclaration is a parameter and if its containing function expression/arrow function is contextually typed -
- // type of parameter will flow in from the contextual type of the function
- var canGetType = ts.hasInitializer(rootDeclaration) || ts.hasType(rootDeclaration) || rootDeclaration.parent.parent.kind === 232 /* ForOfStatement */;
- if (!canGetType && rootDeclaration.kind === 156 /* Parameter */) {
- if (ts.isExpression(rootDeclaration.parent)) {
- canGetType = !!typeChecker.getContextualType(rootDeclaration.parent);
- }
- else if (rootDeclaration.parent.kind === 161 /* MethodDeclaration */ || rootDeclaration.parent.kind === 164 /* SetAccessor */) {
- canGetType = ts.isExpression(rootDeclaration.parent.parent) && !!typeChecker.getContextualType(rootDeclaration.parent.parent);
- }
- }
- if (canGetType) {
- var typeForObject_1 = typeChecker.getTypeAtLocation(objectLikeContainer);
- if (!typeForObject_1)
- return 2 /* Fail */;
- // In a binding pattern, get only known properties (unless in the same scope).
- // Everywhere else we will get all possible properties.
- var containerClass_1 = ts.getContainingClass(objectLikeContainer);
- typeMembers = typeChecker.getPropertiesOfType(typeForObject_1).filter(function (symbol) {
- // either public
- return !(ts.getDeclarationModifierFlagsFromSymbol(symbol) & 24 /* NonPublicAccessibilityModifier */)
- // or we're in it
- || containerClass_1 && ts.contains(typeForObject_1.symbol.declarations, containerClass_1);
- });
- existingMembers = objectLikeContainer.elements;
- }
- }
- if (typeMembers && typeMembers.length > 0) {
- // Add filtered items to the completion list
- symbols = filterObjectMembersList(typeMembers, ts.Debug.checkDefined(existingMembers));
- }
- setSortTextToOptionalMember();
- return 1 /* Success */;
- }
- /**
- * Aggregates relevant symbols for completion in import clauses and export clauses
- * whose declarations have a module specifier; for instance, symbols will be aggregated for
- *
- * import { | } from "moduleName";
- * export { a as foo, | } from "moduleName";
- *
- * but not for
- *
- * export { | };
- *
- * Relevant symbols are stored in the captured 'symbols' variable.
- */
- function tryGetImportOrExportClauseCompletionSymbols() {
- // `import { |` or `import { a as 0, | }`
- var namedImportsOrExports = contextToken && (contextToken.kind === 18 /* OpenBraceToken */ || contextToken.kind === 27 /* CommaToken */)
- ? ts.tryCast(contextToken.parent, ts.isNamedImportsOrExports) : undefined;
- if (!namedImportsOrExports)
- return 0 /* Continue */;
- // try to show exported member for imported/re-exported module
- var moduleSpecifier = (namedImportsOrExports.kind === 257 /* NamedImports */ ? namedImportsOrExports.parent.parent : namedImportsOrExports.parent).moduleSpecifier;
- if (!moduleSpecifier)
- return namedImportsOrExports.kind === 257 /* NamedImports */ ? 2 /* Fail */ : 0 /* Continue */;
- var moduleSpecifierSymbol = typeChecker.getSymbolAtLocation(moduleSpecifier); // TODO: GH#18217
- if (!moduleSpecifierSymbol)
- return 2 /* Fail */;
- completionKind = 3 /* MemberLike */;
- isNewIdentifierLocation = false;
- var exports = typeChecker.getExportsAndPropertiesOfModule(moduleSpecifierSymbol);
- var existing = ts.arrayToSet(namedImportsOrExports.elements, function (n) { return isCurrentlyEditingNode(n) ? undefined : (n.propertyName || n.name).escapedText; });
- symbols = exports.filter(function (e) { return e.escapedName !== "default" /* Default */ && !existing.get(e.escapedName); });
- return 1 /* Success */;
- }
- /**
- * Adds local declarations for completions in named exports:
- *
- * export { | };
- *
- * Does not check for the absence of a module specifier (`export {} from "./other"`)
- * because `tryGetImportOrExportClauseCompletionSymbols` runs first and handles that,
- * preventing this function from running.
- */
- function tryGetLocalNamedExportCompletionSymbols() {
- var _a;
- var namedExports = contextToken && (contextToken.kind === 18 /* OpenBraceToken */ || contextToken.kind === 27 /* CommaToken */)
- ? ts.tryCast(contextToken.parent, ts.isNamedExports)
- : undefined;
- if (!namedExports) {
- return 0 /* Continue */;
- }
- var localsContainer = ts.findAncestor(namedExports, ts.or(ts.isSourceFile, ts.isModuleDeclaration));
- completionKind = 5 /* None */;
- isNewIdentifierLocation = false;
- (_a = localsContainer.locals) === null || _a === void 0 ? void 0 : _a.forEach(function (symbol, name) {
- var _a, _b;
- symbols.push(symbol);
- if ((_b = (_a = localsContainer.symbol) === null || _a === void 0 ? void 0 : _a.exports) === null || _b === void 0 ? void 0 : _b.has(name)) {
- symbolToSortTextMap[ts.getSymbolId(symbol)] = SortText.OptionalMember;
- }
- });
- return 1 /* Success */;
- }
- /**
- * Aggregates relevant symbols for completion in class declaration
- * Relevant symbols are stored in the captured 'symbols' variable.
- */
- function tryGetClassLikeCompletionSymbols() {
- var decl = tryGetObjectTypeDeclarationCompletionContainer(sourceFile, contextToken, location, position);
- if (!decl)
- return 0 /* Continue */;
- // We're looking up possible property names from parent type.
- completionKind = 3 /* MemberLike */;
- // Declaring new property/method/accessor
- isNewIdentifierLocation = true;
- keywordFilters = contextToken.kind === 41 /* AsteriskToken */ ? 0 /* None */ :
- ts.isClassLike(decl) ? 2 /* ClassElementKeywords */ : 3 /* InterfaceElementKeywords */;
- // If you're in an interface you don't want to repeat things from super-interface. So just stop here.
- if (!ts.isClassLike(decl))
- return 1 /* Success */;
- var classElement = contextToken.kind === 26 /* SemicolonToken */ ? contextToken.parent.parent : contextToken.parent;
- var classElementModifierFlags = ts.isClassElement(classElement) ? ts.getModifierFlags(classElement) : 0 /* None */;
- // If this is context token is not something we are editing now, consider if this would lead to be modifier
- if (contextToken.kind === 75 /* Identifier */ && !isCurrentlyEditingNode(contextToken)) {
- switch (contextToken.getText()) {
- case "private":
- classElementModifierFlags = classElementModifierFlags | 8 /* Private */;
- break;
- case "static":
- classElementModifierFlags = classElementModifierFlags | 32 /* Static */;
- break;
- }
- }
- // No member list for private methods
- if (!(classElementModifierFlags & 8 /* Private */)) {
- // List of property symbols of base type that are not private and already implemented
- var baseSymbols = ts.flatMap(ts.getAllSuperTypeNodes(decl), function (baseTypeNode) {
- var type = typeChecker.getTypeAtLocation(baseTypeNode);
- return type && typeChecker.getPropertiesOfType(classElementModifierFlags & 32 /* Static */ ? typeChecker.getTypeOfSymbolAtLocation(type.symbol, decl) : type);
- });
- symbols = filterClassMembersList(baseSymbols, decl.members, classElementModifierFlags);
- }
- return 1 /* Success */;
- }
- /**
- * Returns the immediate owning object literal or binding pattern of a context token,
- * on the condition that one exists and that the context implies completion should be given.
- */
- function tryGetObjectLikeCompletionContainer(contextToken) {
- if (contextToken) {
- var parent = contextToken.parent;
- switch (contextToken.kind) {
- case 18 /* OpenBraceToken */: // const x = { |
- case 27 /* CommaToken */: // const x = { a: 0, |
- if (ts.isObjectLiteralExpression(parent) || ts.isObjectBindingPattern(parent)) {
- return parent;
- }
- break;
- case 41 /* AsteriskToken */:
- return ts.isMethodDeclaration(parent) ? ts.tryCast(parent.parent, ts.isObjectLiteralExpression) : undefined;
- case 75 /* Identifier */:
- return contextToken.text === "async" && ts.isShorthandPropertyAssignment(contextToken.parent)
- ? contextToken.parent.parent : undefined;
- }
- }
- return undefined;
- }
- function isConstructorParameterCompletion(node) {
- return !!node.parent && ts.isParameter(node.parent) && ts.isConstructorDeclaration(node.parent.parent)
- && (ts.isParameterPropertyModifier(node.kind) || ts.isDeclarationName(node));
- }
- /**
- * Returns the immediate owning class declaration of a context token,
- * on the condition that one exists and that the context implies completion should be given.
- */
- function tryGetConstructorLikeCompletionContainer(contextToken) {
- if (contextToken) {
- var parent = contextToken.parent;
- switch (contextToken.kind) {
- case 20 /* OpenParenToken */:
- case 27 /* CommaToken */:
- return ts.isConstructorDeclaration(contextToken.parent) ? contextToken.parent : undefined;
- default:
- if (isConstructorParameterCompletion(contextToken)) {
- return parent.parent;
- }
- }
- }
- return undefined;
- }
- function tryGetFunctionLikeBodyCompletionContainer(contextToken) {
- if (contextToken) {
- var prev_1;
- var container = ts.findAncestor(contextToken.parent, function (node) {
- if (ts.isClassLike(node)) {
- return "quit";
- }
- if (ts.isFunctionLikeDeclaration(node) && prev_1 === node.body) {
- return true;
- }
- prev_1 = node;
- return false;
- });
- return container && container;
- }
- }
- function tryGetContainingJsxElement(contextToken) {
- if (contextToken) {
- var parent = contextToken.parent;
- switch (contextToken.kind) {
- case 31 /* GreaterThanToken */: // End of a type argument list
- case 30 /* LessThanSlashToken */:
- case 43 /* SlashToken */:
- case 75 /* Identifier */:
- case 194 /* PropertyAccessExpression */:
- case 274 /* JsxAttributes */:
- case 273 /* JsxAttribute */:
- case 275 /* JsxSpreadAttribute */:
- if (parent && (parent.kind === 267 /* JsxSelfClosingElement */ || parent.kind === 268 /* JsxOpeningElement */)) {
- if (contextToken.kind === 31 /* GreaterThanToken */) {
- var precedingToken = ts.findPrecedingToken(contextToken.pos, sourceFile, /*startNode*/ undefined);
- if (!parent.typeArguments || (precedingToken && precedingToken.kind === 43 /* SlashToken */))
- break;
- }
- return parent;
- }
- else if (parent.kind === 273 /* JsxAttribute */) {
- // Currently we parse JsxOpeningLikeElement as:
- // JsxOpeningLikeElement
- // attributes: JsxAttributes
- // properties: NodeArray<JsxAttributeLike>
- return parent.parent.parent;
- }
- break;
- // The context token is the closing } or " of an attribute, which means
- // its parent is a JsxExpression, whose parent is a JsxAttribute,
- // whose parent is a JsxOpeningLikeElement
- case 10 /* StringLiteral */:
- if (parent && ((parent.kind === 273 /* JsxAttribute */) || (parent.kind === 275 /* JsxSpreadAttribute */))) {
- // Currently we parse JsxOpeningLikeElement as:
- // JsxOpeningLikeElement
- // attributes: JsxAttributes
- // properties: NodeArray<JsxAttributeLike>
- return parent.parent.parent;
- }
- break;
- case 19 /* CloseBraceToken */:
- if (parent &&
- parent.kind === 276 /* JsxExpression */ &&
- parent.parent && parent.parent.kind === 273 /* JsxAttribute */) {
- // Currently we parse JsxOpeningLikeElement as:
- // JsxOpeningLikeElement
- // attributes: JsxAttributes
- // properties: NodeArray<JsxAttributeLike>
- // each JsxAttribute can have initializer as JsxExpression
- return parent.parent.parent.parent;
- }
- if (parent && parent.kind === 275 /* JsxSpreadAttribute */) {
- // Currently we parse JsxOpeningLikeElement as:
- // JsxOpeningLikeElement
- // attributes: JsxAttributes
- // properties: NodeArray<JsxAttributeLike>
- return parent.parent.parent;
- }
- break;
- }
- }
- return undefined;
- }
- /**
- * @returns true if we are certain that the currently edited location must define a new location; false otherwise.
- */
- function isSolelyIdentifierDefinitionLocation(contextToken) {
- var parent = contextToken.parent;
- var containingNodeKind = parent.kind;
- switch (contextToken.kind) {
- case 27 /* CommaToken */:
- return containingNodeKind === 242 /* VariableDeclaration */ ||
- isVariableDeclarationListButNotTypeArgument(contextToken) ||
- containingNodeKind === 225 /* VariableStatement */ ||
- containingNodeKind === 248 /* EnumDeclaration */ || // enum a { foo, |
- isFunctionLikeButNotConstructor(containingNodeKind) ||
- containingNodeKind === 246 /* InterfaceDeclaration */ || // interface A<T, |
- containingNodeKind === 190 /* ArrayBindingPattern */ || // var [x, y|
- containingNodeKind === 247 /* TypeAliasDeclaration */ || // type Map, K, |
- // class A<T, |
- // var C = class D<T, |
- (ts.isClassLike(parent) &&
- !!parent.typeParameters &&
- parent.typeParameters.end >= contextToken.pos);
- case 24 /* DotToken */:
- return containingNodeKind === 190 /* ArrayBindingPattern */; // var [.|
- case 58 /* ColonToken */:
- return containingNodeKind === 191 /* BindingElement */; // var {x :html|
- case 22 /* OpenBracketToken */:
- return containingNodeKind === 190 /* ArrayBindingPattern */; // var [x|
- case 20 /* OpenParenToken */:
- return containingNodeKind === 280 /* CatchClause */ ||
- isFunctionLikeButNotConstructor(containingNodeKind);
- case 18 /* OpenBraceToken */:
- return containingNodeKind === 248 /* EnumDeclaration */; // enum a { |
- case 29 /* LessThanToken */:
- return containingNodeKind === 245 /* ClassDeclaration */ || // class A< |
- containingNodeKind === 214 /* ClassExpression */ || // var C = class D< |
- containingNodeKind === 246 /* InterfaceDeclaration */ || // interface A< |
- containingNodeKind === 247 /* TypeAliasDeclaration */ || // type List< |
- ts.isFunctionLikeKind(containingNodeKind);
- case 120 /* StaticKeyword */:
- return containingNodeKind === 159 /* PropertyDeclaration */ && !ts.isClassLike(parent.parent);
- case 25 /* DotDotDotToken */:
- return containingNodeKind === 156 /* Parameter */ ||
- (!!parent.parent && parent.parent.kind === 190 /* ArrayBindingPattern */); // var [...z|
- case 119 /* PublicKeyword */:
- case 117 /* PrivateKeyword */:
- case 118 /* ProtectedKeyword */:
- return containingNodeKind === 156 /* Parameter */ && !ts.isConstructorDeclaration(parent.parent);
- case 123 /* AsKeyword */:
- return containingNodeKind === 258 /* ImportSpecifier */ ||
- containingNodeKind === 263 /* ExportSpecifier */ ||
- containingNodeKind === 256 /* NamespaceImport */;
- case 131 /* GetKeyword */:
- case 142 /* SetKeyword */:
- return !isFromObjectTypeDeclaration(contextToken);
- case 80 /* ClassKeyword */:
- case 88 /* EnumKeyword */:
- case 114 /* InterfaceKeyword */:
- case 94 /* FunctionKeyword */:
- case 109 /* VarKeyword */:
- case 96 /* ImportKeyword */:
- case 115 /* LetKeyword */:
- case 81 /* ConstKeyword */:
- case 145 /* TypeKeyword */: // type htm|
- return true;
- case 41 /* AsteriskToken */:
- return ts.isFunctionLike(contextToken.parent) && !ts.isMethodDeclaration(contextToken.parent);
- }
- // If the previous token is keyword correspoding to class member completion keyword
- // there will be completion available here
- if (isClassMemberCompletionKeyword(keywordForNode(contextToken)) && isFromObjectTypeDeclaration(contextToken)) {
- return false;
- }
- if (isConstructorParameterCompletion(contextToken)) {
- // constructor parameter completion is available only if
- // - its modifier of the constructor parameter or
- // - its name of the parameter and not being edited
- // eg. constructor(a |<- this shouldnt show completion
- if (!ts.isIdentifier(contextToken) ||
- ts.isParameterPropertyModifier(keywordForNode(contextToken)) ||
- isCurrentlyEditingNode(contextToken)) {
- return false;
- }
- }
- // Previous token may have been a keyword that was converted to an identifier.
- switch (keywordForNode(contextToken)) {
- case 122 /* AbstractKeyword */:
- case 80 /* ClassKeyword */:
- case 81 /* ConstKeyword */:
- case 130 /* DeclareKeyword */:
- case 88 /* EnumKeyword */:
- case 94 /* FunctionKeyword */:
- case 114 /* InterfaceKeyword */:
- case 115 /* LetKeyword */:
- case 117 /* PrivateKeyword */:
- case 118 /* ProtectedKeyword */:
- case 119 /* PublicKeyword */:
- case 120 /* StaticKeyword */:
- case 109 /* VarKeyword */:
- return true;
- case 126 /* AsyncKeyword */:
- return ts.isPropertyDeclaration(contextToken.parent);
- }
- return ts.isDeclarationName(contextToken)
- && !ts.isJsxAttribute(contextToken.parent)
- // Don't block completions if we're in `class C /**/`, because we're *past* the end of the identifier and might want to complete `extends`.
- // If `contextToken !== previousToken`, this is `class C ex/**/`.
- && !(ts.isClassLike(contextToken.parent) && (contextToken !== previousToken || position > previousToken.end));
- }
- function isFunctionLikeButNotConstructor(kind) {
- return ts.isFunctionLikeKind(kind) && kind !== 162 /* Constructor */;
- }
- function isDotOfNumericLiteral(contextToken) {
- if (contextToken.kind === 8 /* NumericLiteral */) {
- var text = contextToken.getFullText();
- return text.charAt(text.length - 1) === ".";
- }
- return false;
- }
- function isVariableDeclarationListButNotTypeArgument(node) {
- return node.parent.kind === 243 /* VariableDeclarationList */
- && !ts.isPossiblyTypeArgumentPosition(node, sourceFile, typeChecker);
- }
- /**
- * Filters out completion suggestions for named imports or exports.
- *
- * @returns Symbols to be suggested in an object binding pattern or object literal expression, barring those whose declarations
- * do not occur at the current position and have not otherwise been typed.
- */
- function filterObjectMembersList(contextualMemberSymbols, existingMembers) {
- if (existingMembers.length === 0) {
- return contextualMemberSymbols;
- }
- var membersDeclaredBySpreadAssignment = ts.createMap();
- var existingMemberNames = ts.createUnderscoreEscapedMap();
- for (var _i = 0, existingMembers_1 = existingMembers; _i < existingMembers_1.length; _i++) {
- var m = existingMembers_1[_i];
- // Ignore omitted expressions for missing members
- if (m.kind !== 281 /* PropertyAssignment */ &&
- m.kind !== 282 /* ShorthandPropertyAssignment */ &&
- m.kind !== 191 /* BindingElement */ &&
- m.kind !== 161 /* MethodDeclaration */ &&
- m.kind !== 163 /* GetAccessor */ &&
- m.kind !== 164 /* SetAccessor */ &&
- m.kind !== 283 /* SpreadAssignment */) {
- continue;
- }
- // If this is the current item we are editing right now, do not filter it out
- if (isCurrentlyEditingNode(m)) {
- continue;
- }
- var existingName = void 0;
- if (ts.isSpreadAssignment(m)) {
- setMembersDeclaredBySpreadAssignment(m, membersDeclaredBySpreadAssignment);
- }
- else if (ts.isBindingElement(m) && m.propertyName) {
- // include only identifiers in completion list
- if (m.propertyName.kind === 75 /* Identifier */) {
- existingName = m.propertyName.escapedText;
- }
- }
- else {
- // TODO: Account for computed property name
- // NOTE: if one only performs this step when m.name is an identifier,
- // things like '__proto__' are not filtered out.
- var name = ts.getNameOfDeclaration(m);
- existingName = name && ts.isPropertyNameLiteral(name) ? ts.getEscapedTextOfIdentifierOrLiteral(name) : undefined;
- }
- existingMemberNames.set(existingName, true); // TODO: GH#18217
- }
- var filteredSymbols = contextualMemberSymbols.filter(function (m) { return !existingMemberNames.get(m.escapedName); });
- setSortTextToMemberDeclaredBySpreadAssignment(membersDeclaredBySpreadAssignment, filteredSymbols);
- return filteredSymbols;
- }
- function setMembersDeclaredBySpreadAssignment(declaration, membersDeclaredBySpreadAssignment) {
- var expression = declaration.expression;
- var symbol = typeChecker.getSymbolAtLocation(expression);
- var type = symbol && typeChecker.getTypeOfSymbolAtLocation(symbol, expression);
- var properties = type && type.properties;
- if (properties) {
- properties.forEach(function (property) {
- membersDeclaredBySpreadAssignment.set(property.name, true);
- });
- }
- }
- // Set SortText to OptionalMember if it is an optional member
- function setSortTextToOptionalMember() {
- symbols.forEach(function (m) {
- if (m.flags & 16777216 /* Optional */) {
- symbolToSortTextMap[ts.getSymbolId(m)] = symbolToSortTextMap[ts.getSymbolId(m)] || SortText.OptionalMember;
- }
- });
- }
- // Set SortText to MemberDeclaredBySpreadAssignment if it is fulfilled by spread assignment
- function setSortTextToMemberDeclaredBySpreadAssignment(membersDeclaredBySpreadAssignment, contextualMemberSymbols) {
- if (membersDeclaredBySpreadAssignment.size === 0) {
- return;
- }
- for (var _i = 0, contextualMemberSymbols_1 = contextualMemberSymbols; _i < contextualMemberSymbols_1.length; _i++) {
- var contextualMemberSymbol = contextualMemberSymbols_1[_i];
- if (membersDeclaredBySpreadAssignment.has(contextualMemberSymbol.name)) {
- symbolToSortTextMap[ts.getSymbolId(contextualMemberSymbol)] = SortText.MemberDeclaredBySpreadAssignment;
- }
- }
- }
- /**
- * Filters out completion suggestions for class elements.
- *
- * @returns Symbols to be suggested in an class element depending on existing memebers and symbol flags
- */
- function filterClassMembersList(baseSymbols, existingMembers, currentClassElementModifierFlags) {
- var existingMemberNames = ts.createUnderscoreEscapedMap();
- for (var _i = 0, existingMembers_2 = existingMembers; _i < existingMembers_2.length; _i++) {
- var m = existingMembers_2[_i];
- // Ignore omitted expressions for missing members
- if (m.kind !== 159 /* PropertyDeclaration */ &&
- m.kind !== 161 /* MethodDeclaration */ &&
- m.kind !== 163 /* GetAccessor */ &&
- m.kind !== 164 /* SetAccessor */) {
- continue;
- }
- // If this is the current item we are editing right now, do not filter it out
- if (isCurrentlyEditingNode(m)) {
- continue;
- }
- // Dont filter member even if the name matches if it is declared private in the list
- if (ts.hasModifier(m, 8 /* Private */)) {
- continue;
- }
- // do not filter it out if the static presence doesnt match
- if (ts.hasModifier(m, 32 /* Static */) !== !!(currentClassElementModifierFlags & 32 /* Static */)) {
- continue;
- }
- var existingName = ts.getPropertyNameForPropertyNameNode(m.name);
- if (existingName) {
- existingMemberNames.set(existingName, true);
- }
- }
- return baseSymbols.filter(function (propertySymbol) {
- return !existingMemberNames.has(propertySymbol.escapedName) &&
- !!propertySymbol.declarations &&
- !(ts.getDeclarationModifierFlagsFromSymbol(propertySymbol) & 8 /* Private */) &&
- !ts.isPrivateIdentifierPropertyDeclaration(propertySymbol.valueDeclaration);
- });
- }
- /**
- * Filters out completion suggestions from 'symbols' according to existing JSX attributes.
- *
- * @returns Symbols to be suggested in a JSX element, barring those whose attributes
- * do not occur at the current position and have not otherwise been typed.
- */
- function filterJsxAttributes(symbols, attributes) {
- var seenNames = ts.createUnderscoreEscapedMap();
- var membersDeclaredBySpreadAssignment = ts.createMap();
- for (var _i = 0, attributes_1 = attributes; _i < attributes_1.length; _i++) {
- var attr = attributes_1[_i];
- // If this is the current item we are editing right now, do not filter it out
- if (isCurrentlyEditingNode(attr)) {
- continue;
- }
- if (attr.kind === 273 /* JsxAttribute */) {
- seenNames.set(attr.name.escapedText, true);
- }
- else if (ts.isJsxSpreadAttribute(attr)) {
- setMembersDeclaredBySpreadAssignment(attr, membersDeclaredBySpreadAssignment);
- }
- }
- var filteredSymbols = symbols.filter(function (a) { return !seenNames.get(a.escapedName); });
- setSortTextToMemberDeclaredBySpreadAssignment(membersDeclaredBySpreadAssignment, filteredSymbols);
- return filteredSymbols;
- }
- function isCurrentlyEditingNode(node) {
- return node.getStart(sourceFile) <= position && position <= node.getEnd();
- }
- }
- function getCompletionEntryDisplayNameForSymbol(symbol, target, origin, kind, jsxIdentifierExpected) {
- var name = originIsExport(origin) ? ts.getNameForExportedSymbol(symbol, target) : symbol.name;
- if (name === undefined
- // If the symbol is external module, don't show it in the completion list
- // (i.e declare module "http" { const x; } | // <= request completion here, "http" should not be there)
- || symbol.flags & 1536 /* Module */ && ts.isSingleOrDoubleQuote(name.charCodeAt(0))
- // If the symbol is the internal name of an ES symbol, it is not a valid entry. Internal names for ES symbols start with "__@"
- || ts.isKnownSymbol(symbol)) {
- return undefined;
- }
- var validNameResult = { name: name, needsConvertPropertyAccess: false };
- if (ts.isIdentifierText(name, target, jsxIdentifierExpected ? 1 /* JSX */ : 0 /* Standard */) || symbol.valueDeclaration && ts.isPrivateIdentifierPropertyDeclaration(symbol.valueDeclaration)) {
- return validNameResult;
- }
- switch (kind) {
- case 3 /* MemberLike */:
- return undefined;
- case 0 /* ObjectPropertyDeclaration */:
- // TODO: GH#18169
- return { name: JSON.stringify(name), needsConvertPropertyAccess: false };
- case 2 /* PropertyAccess */:
- case 1 /* Global */: // For a 'this.' completion it will be in a global context, but may have a non-identifier name.
- // Don't add a completion for a name starting with a space. See https://github.com/Microsoft/TypeScript/pull/20547
- return name.charCodeAt(0) === 32 /* space */ ? undefined : { name: name, needsConvertPropertyAccess: true };
- case 5 /* None */:
- case 4 /* String */:
- return validNameResult;
- default:
- ts.Debug.assertNever(kind);
- }
- }
- // A cache of completion entries for keywords, these do not change between sessions
- var _keywordCompletions = [];
- var allKeywordsCompletions = ts.memoize(function () {
- var res = [];
- for (var i = 77 /* FirstKeyword */; i <= 152 /* LastKeyword */; i++) {
- res.push({
- name: ts.tokenToString(i),
- kind: "keyword" /* keyword */,
- kindModifiers: "" /* none */,
- sortText: SortText.GlobalsOrKeywords
- });
- }
- return res;
- });
- function getKeywordCompletions(keywordFilter, filterOutTsOnlyKeywords) {
- if (!filterOutTsOnlyKeywords)
- return getTypescriptKeywordCompletions(keywordFilter);
- var index = keywordFilter + 7 /* Last */ + 1;
- return _keywordCompletions[index] ||
- (_keywordCompletions[index] = getTypescriptKeywordCompletions(keywordFilter)
- .filter(function (entry) { return !isTypeScriptOnlyKeyword(ts.stringToToken(entry.name)); }));
- }
- function getTypescriptKeywordCompletions(keywordFilter) {
- return _keywordCompletions[keywordFilter] || (_keywordCompletions[keywordFilter] = allKeywordsCompletions().filter(function (entry) {
- var kind = ts.stringToToken(entry.name);
- switch (keywordFilter) {
- case 0 /* None */:
- return false;
- case 1 /* All */:
- return isFunctionLikeBodyKeyword(kind)
- || kind === 130 /* DeclareKeyword */
- || kind === 135 /* ModuleKeyword */
- || kind === 145 /* TypeKeyword */
- || kind === 136 /* NamespaceKeyword */
- || kind === 123 /* AsKeyword */
- || ts.isTypeKeyword(kind) && kind !== 146 /* UndefinedKeyword */;
- case 5 /* FunctionLikeBodyKeywords */:
- return isFunctionLikeBodyKeyword(kind);
- case 2 /* ClassElementKeywords */:
- return isClassMemberCompletionKeyword(kind);
- case 3 /* InterfaceElementKeywords */:
- return isInterfaceOrTypeLiteralCompletionKeyword(kind);
- case 4 /* ConstructorParameterKeywords */:
- return ts.isParameterPropertyModifier(kind);
- case 6 /* TypeAssertionKeywords */:
- return ts.isTypeKeyword(kind) || kind === 81 /* ConstKeyword */;
- case 7 /* TypeKeywords */:
- return ts.isTypeKeyword(kind);
- default:
- return ts.Debug.assertNever(keywordFilter);
- }
- }));
- }
- function isTypeScriptOnlyKeyword(kind) {
- switch (kind) {
- case 122 /* AbstractKeyword */:
- case 125 /* AnyKeyword */:
- case 151 /* BigIntKeyword */:
- case 128 /* BooleanKeyword */:
- case 130 /* DeclareKeyword */:
- case 88 /* EnumKeyword */:
- case 150 /* GlobalKeyword */:
- case 113 /* ImplementsKeyword */:
- case 132 /* InferKeyword */:
- case 114 /* InterfaceKeyword */:
- case 133 /* IsKeyword */:
- case 134 /* KeyOfKeyword */:
- case 135 /* ModuleKeyword */:
- case 136 /* NamespaceKeyword */:
- case 137 /* NeverKeyword */:
- case 140 /* NumberKeyword */:
- case 141 /* ObjectKeyword */:
- case 117 /* PrivateKeyword */:
- case 118 /* ProtectedKeyword */:
- case 119 /* PublicKeyword */:
- case 138 /* ReadonlyKeyword */:
- case 143 /* StringKeyword */:
- case 144 /* SymbolKeyword */:
- case 145 /* TypeKeyword */:
- case 147 /* UniqueKeyword */:
- case 148 /* UnknownKeyword */:
- return true;
- default:
- return false;
- }
- }
- function isInterfaceOrTypeLiteralCompletionKeyword(kind) {
- return kind === 138 /* ReadonlyKeyword */;
- }
- function isClassMemberCompletionKeyword(kind) {
- switch (kind) {
- case 122 /* AbstractKeyword */:
- case 129 /* ConstructorKeyword */:
- case 131 /* GetKeyword */:
- case 142 /* SetKeyword */:
- case 126 /* AsyncKeyword */:
- case 130 /* DeclareKeyword */:
- return true;
- default:
- return ts.isClassMemberModifier(kind);
- }
- }
- function isFunctionLikeBodyKeyword(kind) {
- return kind === 126 /* AsyncKeyword */
- || kind === 127 /* AwaitKeyword */
- || !ts.isContextualKeyword(kind) && !isClassMemberCompletionKeyword(kind);
- }
- function keywordForNode(node) {
- return ts.isIdentifier(node) ? node.originalKeywordKind || 0 /* Unknown */ : node.kind;
- }
- /** Get the corresponding JSDocTag node if the position is in a jsDoc comment */
- function getJsDocTagAtPosition(node, position) {
- var jsdoc = ts.findAncestor(node, ts.isJSDoc);
- return jsdoc && jsdoc.tags && (ts.rangeContainsPosition(jsdoc, position) ? ts.findLast(jsdoc.tags, function (tag) { return tag.pos < position; }) : undefined);
- }
- function getPropertiesForObjectExpression(contextualType, completionsType, obj, checker) {
- var hasCompletionsType = completionsType && completionsType !== contextualType;
- var type = hasCompletionsType && !(completionsType.flags & 3 /* AnyOrUnknown */)
- ? checker.getUnionType([contextualType, completionsType])
- : contextualType;
- var properties = type.isUnion()
- ? checker.getAllPossiblePropertiesOfTypes(type.types.filter(function (memberType) {
- // If we're providing completions for an object literal, skip primitive, array-like, or callable types since those shouldn't be implemented by object literals.
- return !(memberType.flags & 131068 /* Primitive */ ||
- checker.isArrayLikeType(memberType) ||
- ts.typeHasCallOrConstructSignatures(memberType, checker) ||
- checker.isTypeInvalidDueToUnionDiscriminant(memberType, obj));
- }))
- : type.getApparentProperties();
- return hasCompletionsType ? properties.filter(hasDeclarationOtherThanSelf) : properties;
- // Filter out members whose only declaration is the object literal itself to avoid
- // self-fulfilling completions like:
- //
- // function f<T>(x: T) {}
- // f({ abc/**/: "" }) // `abc` is a member of `T` but only because it declares itself
- function hasDeclarationOtherThanSelf(member) {
- return ts.some(member.declarations, function (decl) { return decl.parent !== obj; });
- }
- }
- /**
- * Gets all properties on a type, but if that type is a union of several types,
- * excludes array-like types or callable/constructable types.
- */
- function getPropertiesForCompletion(type, checker) {
- return type.isUnion()
- ? ts.Debug.checkEachDefined(checker.getAllPossiblePropertiesOfTypes(type.types), "getAllPossiblePropertiesOfTypes() should all be defined")
- : ts.Debug.checkEachDefined(type.getApparentProperties(), "getApparentProperties() should all be defined");
- }
- /**
- * Returns the immediate owning class declaration of a context token,
- * on the condition that one exists and that the context implies completion should be given.
- */
- function tryGetObjectTypeDeclarationCompletionContainer(sourceFile, contextToken, location, position) {
- // class c { method() { } | method2() { } }
- switch (location.kind) {
- case 324 /* SyntaxList */:
- return ts.tryCast(location.parent, ts.isObjectTypeDeclaration);
- case 1 /* EndOfFileToken */:
- var cls = ts.tryCast(ts.lastOrUndefined(ts.cast(location.parent, ts.isSourceFile).statements), ts.isObjectTypeDeclaration);
- if (cls && !ts.findChildOfKind(cls, 19 /* CloseBraceToken */, sourceFile)) {
- return cls;
- }
- break;
- case 75 /* Identifier */: {
- // class c { public prop = c| }
- if (ts.isPropertyDeclaration(location.parent) && location.parent.initializer === location) {
- return undefined;
- }
- // class c extends React.Component { a: () => 1\n compon| }
- if (isFromObjectTypeDeclaration(location)) {
- return ts.findAncestor(location, ts.isObjectTypeDeclaration);
- }
- }
- }
- if (!contextToken)
- return undefined;
- switch (contextToken.kind) {
- case 62 /* EqualsToken */: // class c { public prop = | /* global completions */ }
- return undefined;
- case 26 /* SemicolonToken */: // class c {getValue(): number; | }
- case 19 /* CloseBraceToken */: // class c { method() { } | }
- // class c { method() { } b| }
- return isFromObjectTypeDeclaration(location) && location.parent.name === location
- ? location.parent.parent
- : ts.tryCast(location, ts.isObjectTypeDeclaration);
- case 18 /* OpenBraceToken */: // class c { |
- case 27 /* CommaToken */: // class c {getValue(): number, | }
- return ts.tryCast(contextToken.parent, ts.isObjectTypeDeclaration);
- default:
- if (!isFromObjectTypeDeclaration(contextToken)) {
- // class c extends React.Component { a: () => 1\n| }
- if (ts.getLineAndCharacterOfPosition(sourceFile, contextToken.getEnd()).line !== ts.getLineAndCharacterOfPosition(sourceFile, position).line && ts.isObjectTypeDeclaration(location)) {
- return location;
- }
- return undefined;
- }
- var isValidKeyword = ts.isClassLike(contextToken.parent.parent) ? isClassMemberCompletionKeyword : isInterfaceOrTypeLiteralCompletionKeyword;
- return (isValidKeyword(contextToken.kind) || contextToken.kind === 41 /* AsteriskToken */ || ts.isIdentifier(contextToken) && isValidKeyword(ts.stringToToken(contextToken.text))) // TODO: GH#18217
- ? contextToken.parent.parent : undefined;
- }
- }
- // TODO: GH#19856 Would like to return `node is Node & { parent: (ClassElement | TypeElement) & { parent: ObjectTypeDeclaration } }` but then compilation takes > 10 minutes
- function isFromObjectTypeDeclaration(node) {
- return node.parent && ts.isClassOrTypeElement(node.parent) && ts.isObjectTypeDeclaration(node.parent.parent);
- }
- function isValidTrigger(sourceFile, triggerCharacter, contextToken, position) {
- switch (triggerCharacter) {
- case ".":
- case "@":
- return true;
- case '"':
- case "'":
- case "`":
- // Only automatically bring up completions if this is an opening quote.
- return !!contextToken && ts.isStringLiteralOrTemplate(contextToken) && position === contextToken.getStart(sourceFile) + 1;
- case "#":
- return !!contextToken && ts.isPrivateIdentifier(contextToken) && !!ts.getContainingClass(contextToken);
- case "<":
- // Opening JSX tag
- return !!contextToken && contextToken.kind === 29 /* LessThanToken */ && (!ts.isBinaryExpression(contextToken.parent) || binaryExpressionMayBeOpenTag(contextToken.parent));
- case "/":
- return !!contextToken && (ts.isStringLiteralLike(contextToken)
- ? !!ts.tryGetImportFromModuleSpecifier(contextToken)
- : contextToken.kind === 43 /* SlashToken */ && ts.isJsxClosingElement(contextToken.parent));
- default:
- return ts.Debug.assertNever(triggerCharacter);
- }
- }
- function binaryExpressionMayBeOpenTag(_a) {
- var left = _a.left;
- return ts.nodeIsMissing(left);
- }
- function findAlias(typeChecker, symbol, predicate) {
- var currentAlias = symbol;
- while (currentAlias.flags & 2097152 /* Alias */ && (currentAlias = typeChecker.getImmediateAliasedSymbol(currentAlias))) {
- if (predicate(currentAlias)) {
- return currentAlias;
- }
- }
- }
- /** Determines if a type is exactly the same type resolved by the global 'self', 'global', or 'globalThis'. */
- function isProbablyGlobalType(type, sourceFile, checker) {
- // The type of `self` and `window` is the same in lib.dom.d.ts, but `window` does not exist in
- // lib.webworker.d.ts, so checking against `self` is also a check against `window` when it exists.
- var selfSymbol = checker.resolveName("self", /*location*/ undefined, 111551 /* Value */, /*excludeGlobals*/ false);
- if (selfSymbol && checker.getTypeOfSymbolAtLocation(selfSymbol, sourceFile) === type) {
- return true;
- }
- var globalSymbol = checker.resolveName("global", /*location*/ undefined, 111551 /* Value */, /*excludeGlobals*/ false);
- if (globalSymbol && checker.getTypeOfSymbolAtLocation(globalSymbol, sourceFile) === type) {
- return true;
- }
- var globalThisSymbol = checker.resolveName("globalThis", /*location*/ undefined, 111551 /* Value */, /*excludeGlobals*/ false);
- if (globalThisSymbol && checker.getTypeOfSymbolAtLocation(globalThisSymbol, sourceFile) === type) {
- return true;
- }
- return false;
- }
- })(Completions = ts.Completions || (ts.Completions = {}));
-})(ts || (ts = {}));
-var ts;
-(function (ts) {
- /* @internal */
- var DocumentHighlights;
- (function (DocumentHighlights) {
- function getDocumentHighlights(program, cancellationToken, sourceFile, position, sourceFilesToSearch) {
- var node = ts.getTouchingPropertyName(sourceFile, position);
- if (node.parent && (ts.isJsxOpeningElement(node.parent) && node.parent.tagName === node || ts.isJsxClosingElement(node.parent))) {
- // For a JSX element, just highlight the matching tag, not all references.
- var _a = node.parent.parent, openingElement = _a.openingElement, closingElement = _a.closingElement;
- var highlightSpans = [openingElement, closingElement].map(function (_a) {
- var tagName = _a.tagName;
- return getHighlightSpanForNode(tagName, sourceFile);
- });
- return [{ fileName: sourceFile.fileName, highlightSpans: highlightSpans }];
- }
- return getSemanticDocumentHighlights(position, node, program, cancellationToken, sourceFilesToSearch) || getSyntacticDocumentHighlights(node, sourceFile);
- }
- DocumentHighlights.getDocumentHighlights = getDocumentHighlights;
- function getHighlightSpanForNode(node, sourceFile) {
- return {
- fileName: sourceFile.fileName,
- textSpan: ts.createTextSpanFromNode(node, sourceFile),
- kind: "none" /* none */
- };
- }
- function getSemanticDocumentHighlights(position, node, program, cancellationToken, sourceFilesToSearch) {
- var sourceFilesSet = ts.arrayToSet(sourceFilesToSearch, function (f) { return f.fileName; });
- var referenceEntries = ts.FindAllReferences.getReferenceEntriesForNode(position, node, program, sourceFilesToSearch, cancellationToken, /*options*/ undefined, sourceFilesSet);
- if (!referenceEntries)
- return undefined;
- var map = ts.arrayToMultiMap(referenceEntries.map(ts.FindAllReferences.toHighlightSpan), function (e) { return e.fileName; }, function (e) { return e.span; });
- return ts.arrayFrom(map.entries(), function (_a) {
- var fileName = _a[0], highlightSpans = _a[1];
- if (!sourceFilesSet.has(fileName)) {
- ts.Debug.assert(program.redirectTargetsMap.has(fileName));
- var redirectTarget_1 = program.getSourceFile(fileName);
- var redirect = ts.find(sourceFilesToSearch, function (f) { return !!f.redirectInfo && f.redirectInfo.redirectTarget === redirectTarget_1; });
- fileName = redirect.fileName;
- ts.Debug.assert(sourceFilesSet.has(fileName));
- }
- return { fileName: fileName, highlightSpans: highlightSpans };
- });
- }
- function getSyntacticDocumentHighlights(node, sourceFile) {
- var highlightSpans = getHighlightSpans(node, sourceFile);
- return highlightSpans && [{ fileName: sourceFile.fileName, highlightSpans: highlightSpans }];
- }
- function getHighlightSpans(node, sourceFile) {
- switch (node.kind) {
- case 95 /* IfKeyword */:
- case 87 /* ElseKeyword */:
- return ts.isIfStatement(node.parent) ? getIfElseOccurrences(node.parent, sourceFile) : undefined;
- case 101 /* ReturnKeyword */:
- return useParent(node.parent, ts.isReturnStatement, getReturnOccurrences);
- case 105 /* ThrowKeyword */:
- return useParent(node.parent, ts.isThrowStatement, getThrowOccurrences);
- case 107 /* TryKeyword */:
- case 79 /* CatchKeyword */:
- case 92 /* FinallyKeyword */:
- var tryStatement = node.kind === 79 /* CatchKeyword */ ? node.parent.parent : node.parent;
- return useParent(tryStatement, ts.isTryStatement, getTryCatchFinallyOccurrences);
- case 103 /* SwitchKeyword */:
- return useParent(node.parent, ts.isSwitchStatement, getSwitchCaseDefaultOccurrences);
- case 78 /* CaseKeyword */:
- case 84 /* DefaultKeyword */: {
- if (ts.isDefaultClause(node.parent) || ts.isCaseClause(node.parent)) {
- return useParent(node.parent.parent.parent, ts.isSwitchStatement, getSwitchCaseDefaultOccurrences);
- }
- return undefined;
- }
- case 77 /* BreakKeyword */:
- case 82 /* ContinueKeyword */:
- return useParent(node.parent, ts.isBreakOrContinueStatement, getBreakOrContinueStatementOccurrences);
- case 93 /* ForKeyword */:
- case 111 /* WhileKeyword */:
- case 86 /* DoKeyword */:
- return useParent(node.parent, function (n) { return ts.isIterationStatement(n, /*lookInLabeledStatements*/ true); }, getLoopBreakContinueOccurrences);
- case 129 /* ConstructorKeyword */:
- return getFromAllDeclarations(ts.isConstructorDeclaration, [129 /* ConstructorKeyword */]);
- case 131 /* GetKeyword */:
- case 142 /* SetKeyword */:
- return getFromAllDeclarations(ts.isAccessor, [131 /* GetKeyword */, 142 /* SetKeyword */]);
- case 127 /* AwaitKeyword */:
- return useParent(node.parent, ts.isAwaitExpression, getAsyncAndAwaitOccurrences);
- case 126 /* AsyncKeyword */:
- return highlightSpans(getAsyncAndAwaitOccurrences(node));
- case 121 /* YieldKeyword */:
- return highlightSpans(getYieldOccurrences(node));
- default:
- return ts.isModifierKind(node.kind) && (ts.isDeclaration(node.parent) || ts.isVariableStatement(node.parent))
- ? highlightSpans(getModifierOccurrences(node.kind, node.parent))
- : undefined;
- }
- function getFromAllDeclarations(nodeTest, keywords) {
- return useParent(node.parent, nodeTest, function (decl) { return ts.mapDefined(decl.symbol.declarations, function (d) {
- return nodeTest(d) ? ts.find(d.getChildren(sourceFile), function (c) { return ts.contains(keywords, c.kind); }) : undefined;
- }); });
- }
- function useParent(node, nodeTest, getNodes) {
- return nodeTest(node) ? highlightSpans(getNodes(node, sourceFile)) : undefined;
- }
- function highlightSpans(nodes) {
- return nodes && nodes.map(function (node) { return getHighlightSpanForNode(node, sourceFile); });
- }
- }
- /**
- * Aggregates all throw-statements within this node *without* crossing
- * into function boundaries and try-blocks with catch-clauses.
- */
- function aggregateOwnedThrowStatements(node) {
- if (ts.isThrowStatement(node)) {
- return [node];
- }
- else if (ts.isTryStatement(node)) {
- // Exceptions thrown within a try block lacking a catch clause are "owned" in the current context.
- return ts.concatenate(node.catchClause ? aggregateOwnedThrowStatements(node.catchClause) : node.tryBlock && aggregateOwnedThrowStatements(node.tryBlock), node.finallyBlock && aggregateOwnedThrowStatements(node.finallyBlock));
- }
- // Do not cross function boundaries.
- return ts.isFunctionLike(node) ? undefined : flatMapChildren(node, aggregateOwnedThrowStatements);
- }
- /**
- * For lack of a better name, this function takes a throw statement and returns the
- * nearest ancestor that is a try-block (whose try statement has a catch clause),
- * function-block, or source file.
- */
- function getThrowStatementOwner(throwStatement) {
- var child = throwStatement;
- while (child.parent) {
- var parent = child.parent;
- if (ts.isFunctionBlock(parent) || parent.kind === 290 /* SourceFile */) {
- return parent;
- }
- // A throw-statement is only owned by a try-statement if the try-statement has
- // a catch clause, and if the throw-statement occurs within the try block.
- if (ts.isTryStatement(parent) && parent.tryBlock === child && parent.catchClause) {
- return child;
- }
- child = parent;
- }
- return undefined;
- }
- function aggregateAllBreakAndContinueStatements(node) {
- return ts.isBreakOrContinueStatement(node) ? [node] : ts.isFunctionLike(node) ? undefined : flatMapChildren(node, aggregateAllBreakAndContinueStatements);
- }
- function flatMapChildren(node, cb) {
- var result = [];
- node.forEachChild(function (child) {
- var value = cb(child);
- if (value !== undefined) {
- result.push.apply(result, ts.toArray(value));
- }
- });
- return result;
- }
- function ownsBreakOrContinueStatement(owner, statement) {
- var actualOwner = getBreakOrContinueOwner(statement);
- return !!actualOwner && actualOwner === owner;
- }
- function getBreakOrContinueOwner(statement) {
- return ts.findAncestor(statement, function (node) {
- switch (node.kind) {
- case 237 /* SwitchStatement */:
- if (statement.kind === 233 /* ContinueStatement */) {
- return false;
- }
- // falls through
- case 230 /* ForStatement */:
- case 231 /* ForInStatement */:
- case 232 /* ForOfStatement */:
- case 229 /* WhileStatement */:
- case 228 /* DoStatement */:
- return !statement.label || isLabeledBy(node, statement.label.escapedText);
- default:
- // Don't cross function boundaries.
- // TODO: GH#20090
- return ts.isFunctionLike(node) && "quit";
- }
- });
- }
- function getModifierOccurrences(modifier, declaration) {
- return ts.mapDefined(getNodesToSearchForModifier(declaration, ts.modifierToFlag(modifier)), function (node) { return ts.findModifier(node, modifier); });
- }
- function getNodesToSearchForModifier(declaration, modifierFlag) {
- // Types of node whose children might have modifiers.
- var container = declaration.parent;
- switch (container.kind) {
- case 250 /* ModuleBlock */:
- case 290 /* SourceFile */:
- case 223 /* Block */:
- case 277 /* CaseClause */:
- case 278 /* DefaultClause */:
- // Container is either a class declaration or the declaration is a classDeclaration
- if (modifierFlag & 128 /* Abstract */ && ts.isClassDeclaration(declaration)) {
- return __spreadArrays(declaration.members, [declaration]);
- }
- else {
- return container.statements;
- }
- case 162 /* Constructor */:
- case 161 /* MethodDeclaration */:
- case 244 /* FunctionDeclaration */:
- return __spreadArrays(container.parameters, (ts.isClassLike(container.parent) ? container.parent.members : []));
- case 245 /* ClassDeclaration */:
- case 214 /* ClassExpression */:
- case 246 /* InterfaceDeclaration */:
- case 173 /* TypeLiteral */:
- var nodes = container.members;
- // If we're an accessibility modifier, we're in an instance member and should search
- // the constructor's parameter list for instance members as well.
- if (modifierFlag & (28 /* AccessibilityModifier */ | 64 /* Readonly */)) {
- var constructor = ts.find(container.members, ts.isConstructorDeclaration);
- if (constructor) {
- return __spreadArrays(nodes, constructor.parameters);
- }
- }
- else if (modifierFlag & 128 /* Abstract */) {
- return __spreadArrays(nodes, [container]);
- }
- return nodes;
- default:
- ts.Debug.assertNever(container, "Invalid container kind.");
- }
- }
- function pushKeywordIf(keywordList, token) {
- var expected = [];
- for (var _i = 2; _i < arguments.length; _i++) {
- expected[_i - 2] = arguments[_i];
- }
- if (token && ts.contains(expected, token.kind)) {
- keywordList.push(token);
- return true;
- }
- return false;
- }
- function getLoopBreakContinueOccurrences(loopNode) {
- var keywords = [];
- if (pushKeywordIf(keywords, loopNode.getFirstToken(), 93 /* ForKeyword */, 111 /* WhileKeyword */, 86 /* DoKeyword */)) {
- // If we succeeded and got a do-while loop, then start looking for a 'while' keyword.
- if (loopNode.kind === 228 /* DoStatement */) {
- var loopTokens = loopNode.getChildren();
- for (var i = loopTokens.length - 1; i >= 0; i--) {
- if (pushKeywordIf(keywords, loopTokens[i], 111 /* WhileKeyword */)) {
- break;
- }
- }
- }
- }
- ts.forEach(aggregateAllBreakAndContinueStatements(loopNode.statement), function (statement) {
- if (ownsBreakOrContinueStatement(loopNode, statement)) {
- pushKeywordIf(keywords, statement.getFirstToken(), 77 /* BreakKeyword */, 82 /* ContinueKeyword */);
- }
- });
- return keywords;
- }
- function getBreakOrContinueStatementOccurrences(breakOrContinueStatement) {
- var owner = getBreakOrContinueOwner(breakOrContinueStatement);
- if (owner) {
- switch (owner.kind) {
- case 230 /* ForStatement */:
- case 231 /* ForInStatement */:
- case 232 /* ForOfStatement */:
- case 228 /* DoStatement */:
- case 229 /* WhileStatement */:
- return getLoopBreakContinueOccurrences(owner);
- case 237 /* SwitchStatement */:
- return getSwitchCaseDefaultOccurrences(owner);
- }
- }
- return undefined;
- }
- function getSwitchCaseDefaultOccurrences(switchStatement) {
- var keywords = [];
- pushKeywordIf(keywords, switchStatement.getFirstToken(), 103 /* SwitchKeyword */);
- // Go through each clause in the switch statement, collecting the 'case'/'default' keywords.
- ts.forEach(switchStatement.caseBlock.clauses, function (clause) {
- pushKeywordIf(keywords, clause.getFirstToken(), 78 /* CaseKeyword */, 84 /* DefaultKeyword */);
- ts.forEach(aggregateAllBreakAndContinueStatements(clause), function (statement) {
- if (ownsBreakOrContinueStatement(switchStatement, statement)) {
- pushKeywordIf(keywords, statement.getFirstToken(), 77 /* BreakKeyword */);
- }
- });
- });
- return keywords;
- }
- function getTryCatchFinallyOccurrences(tryStatement, sourceFile) {
- var keywords = [];
- pushKeywordIf(keywords, tryStatement.getFirstToken(), 107 /* TryKeyword */);
- if (tryStatement.catchClause) {
- pushKeywordIf(keywords, tryStatement.catchClause.getFirstToken(), 79 /* CatchKeyword */);
- }
- if (tryStatement.finallyBlock) {
- var finallyKeyword = ts.findChildOfKind(tryStatement, 92 /* FinallyKeyword */, sourceFile);
- pushKeywordIf(keywords, finallyKeyword, 92 /* FinallyKeyword */);
- }
- return keywords;
- }
- function getThrowOccurrences(throwStatement, sourceFile) {
- var owner = getThrowStatementOwner(throwStatement);
- if (!owner) {
- return undefined;
- }
- var keywords = [];
- ts.forEach(aggregateOwnedThrowStatements(owner), function (throwStatement) {
- keywords.push(ts.findChildOfKind(throwStatement, 105 /* ThrowKeyword */, sourceFile));
- });
- // If the "owner" is a function, then we equate 'return' and 'throw' statements in their
- // ability to "jump out" of the function, and include occurrences for both.
- if (ts.isFunctionBlock(owner)) {
- ts.forEachReturnStatement(owner, function (returnStatement) {
- keywords.push(ts.findChildOfKind(returnStatement, 101 /* ReturnKeyword */, sourceFile));
- });
- }
- return keywords;
- }
- function getReturnOccurrences(returnStatement, sourceFile) {
- var func = ts.getContainingFunction(returnStatement);
- if (!func) {
- return undefined;
- }
- var keywords = [];
- ts.forEachReturnStatement(ts.cast(func.body, ts.isBlock), function (returnStatement) {
- keywords.push(ts.findChildOfKind(returnStatement, 101 /* ReturnKeyword */, sourceFile));
- });
- // Include 'throw' statements that do not occur within a try block.
- ts.forEach(aggregateOwnedThrowStatements(func.body), function (throwStatement) {
- keywords.push(ts.findChildOfKind(throwStatement, 105 /* ThrowKeyword */, sourceFile));
- });
- return keywords;
- }
- function getAsyncAndAwaitOccurrences(node) {
- var func = ts.getContainingFunction(node);
- if (!func) {
- return undefined;
- }
- var keywords = [];
- if (func.modifiers) {
- func.modifiers.forEach(function (modifier) {
- pushKeywordIf(keywords, modifier, 126 /* AsyncKeyword */);
- });
- }
- ts.forEachChild(func, function (child) {
- traverseWithoutCrossingFunction(child, function (node) {
- if (ts.isAwaitExpression(node)) {
- pushKeywordIf(keywords, node.getFirstToken(), 127 /* AwaitKeyword */);
- }
- });
- });
- return keywords;
- }
- function getYieldOccurrences(node) {
- var func = ts.getContainingFunction(node);
- if (!func) {
- return undefined;
- }
- var keywords = [];
- ts.forEachChild(func, function (child) {
- traverseWithoutCrossingFunction(child, function (node) {
- if (ts.isYieldExpression(node)) {
- pushKeywordIf(keywords, node.getFirstToken(), 121 /* YieldKeyword */);
- }
- });
- });
- return keywords;
- }
- // Do not cross function/class/interface/module/type boundaries.
- function traverseWithoutCrossingFunction(node, cb) {
- cb(node);
- if (!ts.isFunctionLike(node) && !ts.isClassLike(node) && !ts.isInterfaceDeclaration(node) && !ts.isModuleDeclaration(node) && !ts.isTypeAliasDeclaration(node) && !ts.isTypeNode(node)) {
- ts.forEachChild(node, function (child) { return traverseWithoutCrossingFunction(child, cb); });
- }
- }
- function getIfElseOccurrences(ifStatement, sourceFile) {
- var keywords = getIfElseKeywords(ifStatement, sourceFile);
- var result = [];
- // We'd like to highlight else/ifs together if they are only separated by whitespace
- // (i.e. the keywords are separated by no comments, no newlines).
- for (var i = 0; i < keywords.length; i++) {
- if (keywords[i].kind === 87 /* ElseKeyword */ && i < keywords.length - 1) {
- var elseKeyword = keywords[i];
- var ifKeyword = keywords[i + 1]; // this *should* always be an 'if' keyword.
- var shouldCombineElseAndIf = true;
- // Avoid recalculating getStart() by iterating backwards.
- for (var j = ifKeyword.getStart(sourceFile) - 1; j >= elseKeyword.end; j--) {
- if (!ts.isWhiteSpaceSingleLine(sourceFile.text.charCodeAt(j))) {
- shouldCombineElseAndIf = false;
- break;
- }
- }
- if (shouldCombineElseAndIf) {
- result.push({
- fileName: sourceFile.fileName,
- textSpan: ts.createTextSpanFromBounds(elseKeyword.getStart(), ifKeyword.end),
- kind: "reference" /* reference */
- });
- i++; // skip the next keyword
- continue;
- }
- }
- // Ordinary case: just highlight the keyword.
- result.push(getHighlightSpanForNode(keywords[i], sourceFile));
- }
- return result;
- }
- function getIfElseKeywords(ifStatement, sourceFile) {
- var keywords = [];
- // Traverse upwards through all parent if-statements linked by their else-branches.
- while (ts.isIfStatement(ifStatement.parent) && ifStatement.parent.elseStatement === ifStatement) {
- ifStatement = ifStatement.parent;
- }
- // Now traverse back down through the else branches, aggregating if/else keywords of if-statements.
- while (true) {
- var children = ifStatement.getChildren(sourceFile);
- pushKeywordIf(keywords, children[0], 95 /* IfKeyword */);
- // Generally the 'else' keyword is second-to-last, so we traverse backwards.
- for (var i = children.length - 1; i >= 0; i--) {
- if (pushKeywordIf(keywords, children[i], 87 /* ElseKeyword */)) {
- break;
- }
- }
- if (!ifStatement.elseStatement || !ts.isIfStatement(ifStatement.elseStatement)) {
- break;
- }
- ifStatement = ifStatement.elseStatement;
- }
- return keywords;
- }
- /**
- * Whether or not a 'node' is preceded by a label of the given string.
- * Note: 'node' cannot be a SourceFile.
- */
- function isLabeledBy(node, labelName) {
- return !!ts.findAncestor(node.parent, function (owner) { return !ts.isLabeledStatement(owner) ? "quit" : owner.label.escapedText === labelName; });
- }
- })(DocumentHighlights = ts.DocumentHighlights || (ts.DocumentHighlights = {}));
-})(ts || (ts = {}));
-var ts;
-(function (ts) {
- function createDocumentRegistry(useCaseSensitiveFileNames, currentDirectory) {
- return createDocumentRegistryInternal(useCaseSensitiveFileNames, currentDirectory);
- }
- ts.createDocumentRegistry = createDocumentRegistry;
- /*@internal*/
- function createDocumentRegistryInternal(useCaseSensitiveFileNames, currentDirectory, externalCache) {
- if (currentDirectory === void 0) { currentDirectory = ""; }
- // Maps from compiler setting target (ES3, ES5, etc.) to all the cached documents we have
- // for those settings.
- var buckets = ts.createMap();
- var getCanonicalFileName = ts.createGetCanonicalFileName(!!useCaseSensitiveFileNames);
- function reportStats() {
- var bucketInfoArray = ts.arrayFrom(buckets.keys()).filter(function (name) { return name && name.charAt(0) === "_"; }).map(function (name) {
- var entries = buckets.get(name);
- var sourceFiles = [];
- entries.forEach(function (entry, name) {
- sourceFiles.push({
- name: name,
- refCount: entry.languageServiceRefCount
- });
- });
- sourceFiles.sort(function (x, y) { return y.refCount - x.refCount; });
- return {
- bucket: name,
- sourceFiles: sourceFiles
- };
- });
- return JSON.stringify(bucketInfoArray, undefined, 2);
- }
- function acquireDocument(fileName, compilationSettings, scriptSnapshot, version, scriptKind) {
- var path = ts.toPath(fileName, currentDirectory, getCanonicalFileName);
- var key = getKeyForCompilationSettings(compilationSettings);
- return acquireDocumentWithKey(fileName, path, compilationSettings, key, scriptSnapshot, version, scriptKind);
- }
- function acquireDocumentWithKey(fileName, path, compilationSettings, key, scriptSnapshot, version, scriptKind) {
- return acquireOrUpdateDocument(fileName, path, compilationSettings, key, scriptSnapshot, version, /*acquiring*/ true, scriptKind);
- }
- function updateDocument(fileName, compilationSettings, scriptSnapshot, version, scriptKind) {
- var path = ts.toPath(fileName, currentDirectory, getCanonicalFileName);
- var key = getKeyForCompilationSettings(compilationSettings);
- return updateDocumentWithKey(fileName, path, compilationSettings, key, scriptSnapshot, version, scriptKind);
- }
- function updateDocumentWithKey(fileName, path, compilationSettings, key, scriptSnapshot, version, scriptKind) {
- return acquireOrUpdateDocument(fileName, path, compilationSettings, key, scriptSnapshot, version, /*acquiring*/ false, scriptKind);
- }
- function acquireOrUpdateDocument(fileName, path, compilationSettings, key, scriptSnapshot, version, acquiring, scriptKind) {
- var bucket = ts.getOrUpdate(buckets, key, ts.createMap);
- var entry = bucket.get(path);
- var scriptTarget = scriptKind === 6 /* JSON */ ? 100 /* JSON */ : compilationSettings.target || 1 /* ES5 */;
- if (!entry && externalCache) {
- var sourceFile = externalCache.getDocument(key, path);
- if (sourceFile) {
- ts.Debug.assert(acquiring);
- entry = {
- sourceFile: sourceFile,
- languageServiceRefCount: 0
- };
- bucket.set(path, entry);
- }
- }
- if (!entry) {
- // Have never seen this file with these settings. Create a new source file for it.
- var sourceFile = ts.createLanguageServiceSourceFile(fileName, scriptSnapshot, scriptTarget, version, /*setNodeParents*/ false, scriptKind);
- if (externalCache) {
- externalCache.setDocument(key, path, sourceFile);
- }
- entry = {
- sourceFile: sourceFile,
- languageServiceRefCount: 1,
- };
- bucket.set(path, entry);
- }
- else {
- // We have an entry for this file. However, it may be for a different version of
- // the script snapshot. If so, update it appropriately. Otherwise, we can just
- // return it as is.
- if (entry.sourceFile.version !== version) {
- entry.sourceFile = ts.updateLanguageServiceSourceFile(entry.sourceFile, scriptSnapshot, version, scriptSnapshot.getChangeRange(entry.sourceFile.scriptSnapshot)); // TODO: GH#18217
- if (externalCache) {
- externalCache.setDocument(key, path, entry.sourceFile);
- }
- }
- // If we're acquiring, then this is the first time this LS is asking for this document.
- // Increase our ref count so we know there's another LS using the document. If we're
- // not acquiring, then that means the LS is 'updating' the file instead, and that means
- // it has already acquired the document previously. As such, we do not need to increase
- // the ref count.
- if (acquiring) {
- entry.languageServiceRefCount++;
- }
- }
- ts.Debug.assert(entry.languageServiceRefCount !== 0);
- return entry.sourceFile;
- }
- function releaseDocument(fileName, compilationSettings) {
- var path = ts.toPath(fileName, currentDirectory, getCanonicalFileName);
- var key = getKeyForCompilationSettings(compilationSettings);
- return releaseDocumentWithKey(path, key);
- }
- function releaseDocumentWithKey(path, key) {
- var bucket = ts.Debug.checkDefined(buckets.get(key));
- var entry = bucket.get(path);
- entry.languageServiceRefCount--;
- ts.Debug.assert(entry.languageServiceRefCount >= 0);
- if (entry.languageServiceRefCount === 0) {
- bucket.delete(path);
- }
- }
- function getLanguageServiceRefCounts(path) {
- return ts.arrayFrom(buckets.entries(), function (_a) {
- var key = _a[0], bucket = _a[1];
- var entry = bucket.get(path);
- return [key, entry && entry.languageServiceRefCount];
- });
- }
- return {
- acquireDocument: acquireDocument,
- acquireDocumentWithKey: acquireDocumentWithKey,
- updateDocument: updateDocument,
- updateDocumentWithKey: updateDocumentWithKey,
- releaseDocument: releaseDocument,
- releaseDocumentWithKey: releaseDocumentWithKey,
- getLanguageServiceRefCounts: getLanguageServiceRefCounts,
- reportStats: reportStats,
- getKeyForCompilationSettings: getKeyForCompilationSettings
- };
- }
- ts.createDocumentRegistryInternal = createDocumentRegistryInternal;
- function getKeyForCompilationSettings(settings) {
- return ts.sourceFileAffectingCompilerOptions.map(function (option) { return ts.getCompilerOptionValue(settings, option); }).join("|");
- }
-})(ts || (ts = {}));
-/* Code for finding imports of an exported symbol. Used only by FindAllReferences. */
-/* @internal */
-var ts;
-(function (ts) {
- var FindAllReferences;
- (function (FindAllReferences) {
- /** Creates the imports map and returns an ImportTracker that uses it. Call this lazily to avoid calling `getDirectImportsMap` unnecessarily. */
- function createImportTracker(sourceFiles, sourceFilesSet, checker, cancellationToken) {
- var allDirectImports = getDirectImportsMap(sourceFiles, checker, cancellationToken);
- return function (exportSymbol, exportInfo, isForRename) {
- var _a = getImportersForExport(sourceFiles, sourceFilesSet, allDirectImports, exportInfo, checker, cancellationToken), directImports = _a.directImports, indirectUsers = _a.indirectUsers;
- return __assign({ indirectUsers: indirectUsers }, getSearchesFromDirectImports(directImports, exportSymbol, exportInfo.exportKind, checker, isForRename));
- };
- }
- FindAllReferences.createImportTracker = createImportTracker;
- var ExportKind;
- (function (ExportKind) {
- ExportKind[ExportKind["Named"] = 0] = "Named";
- ExportKind[ExportKind["Default"] = 1] = "Default";
- ExportKind[ExportKind["ExportEquals"] = 2] = "ExportEquals";
- })(ExportKind = FindAllReferences.ExportKind || (FindAllReferences.ExportKind = {}));
- var ImportExport;
- (function (ImportExport) {
- ImportExport[ImportExport["Import"] = 0] = "Import";
- ImportExport[ImportExport["Export"] = 1] = "Export";
- })(ImportExport = FindAllReferences.ImportExport || (FindAllReferences.ImportExport = {}));
- /** Returns import statements that directly reference the exporting module, and a list of files that may access the module through a namespace. */
- function getImportersForExport(sourceFiles, sourceFilesSet, allDirectImports, _a, checker, cancellationToken) {
- var exportingModuleSymbol = _a.exportingModuleSymbol, exportKind = _a.exportKind;
- var markSeenDirectImport = ts.nodeSeenTracker();
- var markSeenIndirectUser = ts.nodeSeenTracker();
- var directImports = [];
- var isAvailableThroughGlobal = !!exportingModuleSymbol.globalExports;
- var indirectUserDeclarations = isAvailableThroughGlobal ? undefined : [];
- handleDirectImports(exportingModuleSymbol);
- return { directImports: directImports, indirectUsers: getIndirectUsers() };
- function getIndirectUsers() {
- if (isAvailableThroughGlobal) {
- // It has `export as namespace`, so anything could potentially use it.
- return sourceFiles;
- }
- // Module augmentations may use this module's exports without importing it.
- for (var _i = 0, _a = exportingModuleSymbol.declarations; _i < _a.length; _i++) {
- var decl = _a[_i];
- if (ts.isExternalModuleAugmentation(decl) && sourceFilesSet.has(decl.getSourceFile().fileName)) {
- addIndirectUser(decl);
- }
- }
- // This may return duplicates (if there are multiple module declarations in a single source file, all importing the same thing as a namespace), but `State.markSearchedSymbol` will handle that.
- return indirectUserDeclarations.map(ts.getSourceFileOfNode);
- }
- function handleDirectImports(exportingModuleSymbol) {
- var theseDirectImports = getDirectImports(exportingModuleSymbol);
- if (theseDirectImports) {
- for (var _i = 0, theseDirectImports_1 = theseDirectImports; _i < theseDirectImports_1.length; _i++) {
- var direct = theseDirectImports_1[_i];
- if (!markSeenDirectImport(direct)) {
- continue;
- }
- if (cancellationToken)
- cancellationToken.throwIfCancellationRequested();
- switch (direct.kind) {
- case 196 /* CallExpression */:
- if (!isAvailableThroughGlobal) {
- var parent = direct.parent;
- if (exportKind === 2 /* ExportEquals */ && parent.kind === 242 /* VariableDeclaration */) {
- var name = parent.name;
- if (name.kind === 75 /* Identifier */) {
- directImports.push(name);
- break;
- }
- }
- // Don't support re-exporting 'require()' calls, so just add a single indirect user.
- addIndirectUser(direct.getSourceFile());
- }
- break;
- case 75 /* Identifier */: // for 'const x = require("y");
- break; // TODO: GH#23879
- case 253 /* ImportEqualsDeclaration */:
- handleNamespaceImport(direct, direct.name, ts.hasModifier(direct, 1 /* Export */), /*alreadyAddedDirect*/ false);
- break;
- case 254 /* ImportDeclaration */:
- directImports.push(direct);
- var namedBindings = direct.importClause && direct.importClause.namedBindings;
- if (namedBindings && namedBindings.kind === 256 /* NamespaceImport */) {
- handleNamespaceImport(direct, namedBindings.name, /*isReExport*/ false, /*alreadyAddedDirect*/ true);
- }
- else if (!isAvailableThroughGlobal && ts.isDefaultImport(direct)) {
- addIndirectUser(getSourceFileLikeForImportDeclaration(direct)); // Add a check for indirect uses to handle synthetic default imports
- }
- break;
- case 260 /* ExportDeclaration */:
- if (!direct.exportClause) {
- // This is `export * from "foo"`, so imports of this module may import the export too.
- handleDirectImports(getContainingModuleSymbol(direct, checker));
- }
- else {
- // This is `export { foo } from "foo"` and creates an alias symbol, so recursive search will get handle re-exports.
- directImports.push(direct);
- }
- break;
- case 188 /* ImportType */:
- directImports.push(direct);
- break;
- default:
- ts.Debug.failBadSyntaxKind(direct, "Unexpected import kind.");
- }
- }
- }
- }
- function handleNamespaceImport(importDeclaration, name, isReExport, alreadyAddedDirect) {
- if (exportKind === 2 /* ExportEquals */) {
- // This is a direct import, not import-as-namespace.
- if (!alreadyAddedDirect)
- directImports.push(importDeclaration);
- }
- else if (!isAvailableThroughGlobal) {
- var sourceFileLike = getSourceFileLikeForImportDeclaration(importDeclaration);
- ts.Debug.assert(sourceFileLike.kind === 290 /* SourceFile */ || sourceFileLike.kind === 249 /* ModuleDeclaration */);
- if (isReExport || findNamespaceReExports(sourceFileLike, name, checker)) {
- addIndirectUsers(sourceFileLike);
- }
- else {
- addIndirectUser(sourceFileLike);
- }
- }
- }
- function addIndirectUser(sourceFileLike) {
- ts.Debug.assert(!isAvailableThroughGlobal);
- var isNew = markSeenIndirectUser(sourceFileLike);
- if (isNew) {
- indirectUserDeclarations.push(sourceFileLike); // TODO: GH#18217
- }
- return isNew;
- }
- /** Adds a module and all of its transitive dependencies as possible indirect users. */
- function addIndirectUsers(sourceFileLike) {
- if (!addIndirectUser(sourceFileLike)) {
- return;
- }
- var moduleSymbol = checker.getMergedSymbol(sourceFileLike.symbol);
- ts.Debug.assert(!!(moduleSymbol.flags & 1536 /* Module */));
- var directImports = getDirectImports(moduleSymbol);
- if (directImports) {
- for (var _i = 0, directImports_1 = directImports; _i < directImports_1.length; _i++) {
- var directImport = directImports_1[_i];
- if (!ts.isImportTypeNode(directImport)) {
- addIndirectUsers(getSourceFileLikeForImportDeclaration(directImport));
- }
- }
- }
- }
- function getDirectImports(moduleSymbol) {
- return allDirectImports.get(ts.getSymbolId(moduleSymbol).toString());
- }
- }
- /**
- * Given the set of direct imports of a module, we need to find which ones import the particular exported symbol.
- * The returned `importSearches` will result in the entire source file being searched.
- * But re-exports will be placed in 'singleReferences' since they cannot be locally referenced.
- */
- function getSearchesFromDirectImports(directImports, exportSymbol, exportKind, checker, isForRename) {
- var importSearches = [];
- var singleReferences = [];
- function addSearch(location, symbol) {
- importSearches.push([location, symbol]);
- }
- if (directImports) {
- for (var _i = 0, directImports_2 = directImports; _i < directImports_2.length; _i++) {
- var decl = directImports_2[_i];
- handleImport(decl);
- }
- }
- return { importSearches: importSearches, singleReferences: singleReferences };
- function handleImport(decl) {
- if (decl.kind === 253 /* ImportEqualsDeclaration */) {
- if (isExternalModuleImportEquals(decl)) {
- handleNamespaceImportLike(decl.name);
- }
- return;
- }
- if (decl.kind === 75 /* Identifier */) {
- handleNamespaceImportLike(decl);
- return;
- }
- if (decl.kind === 188 /* ImportType */) {
- if (decl.qualifier) {
- var firstIdentifier = ts.getFirstIdentifier(decl.qualifier);
- if (firstIdentifier.escapedText === ts.symbolName(exportSymbol)) {
- singleReferences.push(firstIdentifier);
- }
- }
- else if (exportKind === 2 /* ExportEquals */) {
- singleReferences.push(decl.argument.literal);
- }
- return;
- }
- // Ignore if there's a grammar error
- if (decl.moduleSpecifier.kind !== 10 /* StringLiteral */) {
- return;
- }
- if (decl.kind === 260 /* ExportDeclaration */) {
- if (decl.exportClause && ts.isNamedExports(decl.exportClause)) {
- searchForNamedImport(decl.exportClause);
- }
- return;
- }
- var _a = decl.importClause || { name: undefined, namedBindings: undefined }, name = _a.name, namedBindings = _a.namedBindings;
- if (namedBindings) {
- switch (namedBindings.kind) {
- case 256 /* NamespaceImport */:
- handleNamespaceImportLike(namedBindings.name);
- break;
- case 257 /* NamedImports */:
- // 'default' might be accessed as a named import `{ default as foo }`.
- if (exportKind === 0 /* Named */ || exportKind === 1 /* Default */) {
- searchForNamedImport(namedBindings);
- }
- break;
- default:
- ts.Debug.assertNever(namedBindings);
- }
- }
- // `export =` might be imported by a default import if `--allowSyntheticDefaultImports` is on, so this handles both ExportKind.Default and ExportKind.ExportEquals.
- // If a default import has the same name as the default export, allow to rename it.
- // Given `import f` and `export default function f`, we will rename both, but for `import g` we will rename just that.
- if (name && (exportKind === 1 /* Default */ || exportKind === 2 /* ExportEquals */) && (!isForRename || name.escapedText === ts.symbolEscapedNameNoDefault(exportSymbol))) {
- var defaultImportAlias = checker.getSymbolAtLocation(name);
- addSearch(name, defaultImportAlias);
- }
- }
- /**
- * `import x = require("./x")` or `import * as x from "./x"`.
- * An `export =` may be imported by this syntax, so it may be a direct import.
- * If it's not a direct import, it will be in `indirectUsers`, so we don't have to do anything here.
- */
- function handleNamespaceImportLike(importName) {
- // Don't rename an import that already has a different name than the export.
- if (exportKind === 2 /* ExportEquals */ && (!isForRename || isNameMatch(importName.escapedText))) {
- addSearch(importName, checker.getSymbolAtLocation(importName));
- }
- }
- function searchForNamedImport(namedBindings) {
- if (!namedBindings) {
- return;
- }
- for (var _i = 0, _a = namedBindings.elements; _i < _a.length; _i++) {
- var element = _a[_i];
- var name = element.name, propertyName = element.propertyName;
- if (!isNameMatch((propertyName || name).escapedText)) {
- continue;
- }
- if (propertyName) {
- // This is `import { foo as bar } from "./a"` or `export { foo as bar } from "./a"`. `foo` isn't a local in the file, so just add it as a single reference.
- singleReferences.push(propertyName);
- // If renaming `{ foo as bar }`, don't touch `bar`, just `foo`.
- // But do rename `foo` in ` { default as foo }` if that's the original export name.
- if (!isForRename || name.escapedText === exportSymbol.escapedName) {
- // Search locally for `bar`.
- addSearch(name, checker.getSymbolAtLocation(name));
- }
- }
- else {
- var localSymbol = element.kind === 263 /* ExportSpecifier */ && element.propertyName
- ? checker.getExportSpecifierLocalTargetSymbol(element) // For re-exporting under a different name, we want to get the re-exported symbol.
- : checker.getSymbolAtLocation(name);
- addSearch(name, localSymbol);
- }
- }
- }
- function isNameMatch(name) {
- // Use name of "default" even in `export =` case because we may have allowSyntheticDefaultImports
- return name === exportSymbol.escapedName || exportKind !== 0 /* Named */ && name === "default" /* Default */;
- }
- }
- /** Returns 'true' is the namespace 'name' is re-exported from this module, and 'false' if it is only used locally. */
- function findNamespaceReExports(sourceFileLike, name, checker) {
- var namespaceImportSymbol = checker.getSymbolAtLocation(name);
- return !!forEachPossibleImportOrExportStatement(sourceFileLike, function (statement) {
- if (!ts.isExportDeclaration(statement))
- return;
- var exportClause = statement.exportClause, moduleSpecifier = statement.moduleSpecifier;
- return !moduleSpecifier && exportClause && ts.isNamedExports(exportClause) &&
- exportClause.elements.some(function (element) { return checker.getExportSpecifierLocalTargetSymbol(element) === namespaceImportSymbol; });
- });
- }
- function findModuleReferences(program, sourceFiles, searchModuleSymbol) {
- var refs = [];
- var checker = program.getTypeChecker();
- for (var _i = 0, sourceFiles_1 = sourceFiles; _i < sourceFiles_1.length; _i++) {
- var referencingFile = sourceFiles_1[_i];
- var searchSourceFile = searchModuleSymbol.valueDeclaration;
- if (searchSourceFile.kind === 290 /* SourceFile */) {
- for (var _a = 0, _b = referencingFile.referencedFiles; _a < _b.length; _a++) {
- var ref = _b[_a];
- if (program.getSourceFileFromReference(referencingFile, ref) === searchSourceFile) {
- refs.push({ kind: "reference", referencingFile: referencingFile, ref: ref });
- }
- }
- for (var _c = 0, _d = referencingFile.typeReferenceDirectives; _c < _d.length; _c++) {
- var ref = _d[_c];
- var referenced = program.getResolvedTypeReferenceDirectives().get(ref.fileName);
- if (referenced !== undefined && referenced.resolvedFileName === searchSourceFile.fileName) {
- refs.push({ kind: "reference", referencingFile: referencingFile, ref: ref });
- }
- }
- }
- forEachImport(referencingFile, function (_importDecl, moduleSpecifier) {
- var moduleSymbol = checker.getSymbolAtLocation(moduleSpecifier);
- if (moduleSymbol === searchModuleSymbol) {
- refs.push({ kind: "import", literal: moduleSpecifier });
- }
- });
- }
- return refs;
- }
- FindAllReferences.findModuleReferences = findModuleReferences;
- /** Returns a map from a module symbol Id to all import statements that directly reference the module. */
- function getDirectImportsMap(sourceFiles, checker, cancellationToken) {
- var map = ts.createMap();
- for (var _i = 0, sourceFiles_2 = sourceFiles; _i < sourceFiles_2.length; _i++) {
- var sourceFile = sourceFiles_2[_i];
- if (cancellationToken)
- cancellationToken.throwIfCancellationRequested();
- forEachImport(sourceFile, function (importDecl, moduleSpecifier) {
- var moduleSymbol = checker.getSymbolAtLocation(moduleSpecifier);
- if (moduleSymbol) {
- var id = ts.getSymbolId(moduleSymbol).toString();
- var imports = map.get(id);
- if (!imports) {
- map.set(id, imports = []);
- }
- imports.push(importDecl);
- }
- });
- }
- return map;
- }
- /** Iterates over all statements at the top level or in module declarations. Returns the first truthy result. */
- function forEachPossibleImportOrExportStatement(sourceFileLike, action) {
- return ts.forEach(sourceFileLike.kind === 290 /* SourceFile */ ? sourceFileLike.statements : sourceFileLike.body.statements, function (statement) {
- return action(statement) || (isAmbientModuleDeclaration(statement) && ts.forEach(statement.body && statement.body.statements, action));
- });
- }
- /** Calls `action` for each import, re-export, or require() in a file. */
- function forEachImport(sourceFile, action) {
- if (sourceFile.externalModuleIndicator || sourceFile.imports !== undefined) {
- for (var _i = 0, _a = sourceFile.imports; _i < _a.length; _i++) {
- var i = _a[_i];
- action(ts.importFromModuleSpecifier(i), i);
- }
- }
- else {
- forEachPossibleImportOrExportStatement(sourceFile, function (statement) {
- switch (statement.kind) {
- case 260 /* ExportDeclaration */:
- case 254 /* ImportDeclaration */: {
- var decl = statement;
- if (decl.moduleSpecifier && ts.isStringLiteral(decl.moduleSpecifier)) {
- action(decl, decl.moduleSpecifier);
- }
- break;
- }
- case 253 /* ImportEqualsDeclaration */: {
- var decl = statement;
- if (isExternalModuleImportEquals(decl)) {
- action(decl, decl.moduleReference.expression);
- }
- break;
- }
- }
- });
- }
- }
- /**
- * Given a local reference, we might notice that it's an import/export and recursively search for references of that.
- * If at an import, look locally for the symbol it imports.
- * If at an export, look for all imports of it.
- * This doesn't handle export specifiers; that is done in `getReferencesAtExportSpecifier`.
- * @param comingFromExport If we are doing a search for all exports, don't bother looking backwards for the imported symbol, since that's the reason we're here.
- */
- function getImportOrExportSymbol(node, symbol, checker, comingFromExport) {
- return comingFromExport ? getExport() : getExport() || getImport();
- function getExport() {
- var parent = node.parent;
- var grandParent = parent.parent;
- if (symbol.exportSymbol) {
- if (parent.kind === 194 /* PropertyAccessExpression */) {
- // When accessing an export of a JS module, there's no alias. The symbol will still be flagged as an export even though we're at the use.
- // So check that we are at the declaration.
- return symbol.declarations.some(function (d) { return d === parent; }) && ts.isBinaryExpression(grandParent)
- ? getSpecialPropertyExport(grandParent, /*useLhsSymbol*/ false)
- : undefined;
- }
- else {
- return exportInfo(symbol.exportSymbol, getExportKindForDeclaration(parent));
- }
- }
- else {
- var exportNode = getExportNode(parent, node);
- if (exportNode && ts.hasModifier(exportNode, 1 /* Export */)) {
- if (ts.isImportEqualsDeclaration(exportNode) && exportNode.moduleReference === node) {
- // We're at `Y` in `export import X = Y`. This is not the exported symbol, the left-hand-side is. So treat this as an import statement.
- if (comingFromExport) {
- return undefined;
- }
- var lhsSymbol = checker.getSymbolAtLocation(exportNode.name);
- return { kind: 0 /* Import */, symbol: lhsSymbol };
- }
- else {
- return exportInfo(symbol, getExportKindForDeclaration(exportNode));
- }
- }
- // If we are in `export = a;` or `export default a;`, `parent` is the export assignment.
- else if (ts.isExportAssignment(parent)) {
- return getExportAssignmentExport(parent);
- }
- // If we are in `export = class A {};` (or `export = class A {};`) at `A`, `parent.parent` is the export assignment.
- else if (ts.isExportAssignment(grandParent)) {
- return getExportAssignmentExport(grandParent);
- }
- // Similar for `module.exports =` and `exports.A =`.
- else if (ts.isBinaryExpression(parent)) {
- return getSpecialPropertyExport(parent, /*useLhsSymbol*/ true);
- }
- else if (ts.isBinaryExpression(grandParent)) {
- return getSpecialPropertyExport(grandParent, /*useLhsSymbol*/ true);
- }
- else if (ts.isJSDocTypedefTag(parent)) {
- return exportInfo(symbol, 0 /* Named */);
- }
- }
- function getExportAssignmentExport(ex) {
- // Get the symbol for the `export =` node; its parent is the module it's the export of.
- var exportingModuleSymbol = ts.Debug.checkDefined(ex.symbol.parent, "Expected export symbol to have a parent");
- var exportKind = ex.isExportEquals ? 2 /* ExportEquals */ : 1 /* Default */;
- return { kind: 1 /* Export */, symbol: symbol, exportInfo: { exportingModuleSymbol: exportingModuleSymbol, exportKind: exportKind } };
- }
- function getSpecialPropertyExport(node, useLhsSymbol) {
- var kind;
- switch (ts.getAssignmentDeclarationKind(node)) {
- case 1 /* ExportsProperty */:
- kind = 0 /* Named */;
- break;
- case 2 /* ModuleExports */:
- kind = 2 /* ExportEquals */;
- break;
- default:
- return undefined;
- }
- var sym = useLhsSymbol ? checker.getSymbolAtLocation(ts.getNameOfAccessExpression(ts.cast(node.left, ts.isAccessExpression))) : symbol;
- return sym && exportInfo(sym, kind);
- }
- }
- function getImport() {
- var isImport = isNodeImport(node);
- if (!isImport)
- return undefined;
- // A symbol being imported is always an alias. So get what that aliases to find the local symbol.
- var importedSymbol = checker.getImmediateAliasedSymbol(symbol);
- if (!importedSymbol)
- return undefined;
- // Search on the local symbol in the exporting module, not the exported symbol.
- importedSymbol = skipExportSpecifierSymbol(importedSymbol, checker);
- // Similarly, skip past the symbol for 'export ='
- if (importedSymbol.escapedName === "export=") {
- importedSymbol = getExportEqualsLocalSymbol(importedSymbol, checker);
- }
- // If the import has a different name than the export, do not continue searching.
- // If `importedName` is undefined, do continue searching as the export is anonymous.
- // (All imports returned from this function will be ignored anyway if we are in rename and this is a not a named export.)
- var importedName = ts.symbolEscapedNameNoDefault(importedSymbol);
- if (importedName === undefined || importedName === "default" /* Default */ || importedName === symbol.escapedName) {
- return { kind: 0 /* Import */, symbol: importedSymbol };
- }
- }
- function exportInfo(symbol, kind) {
- var exportInfo = getExportInfo(symbol, kind, checker);
- return exportInfo && { kind: 1 /* Export */, symbol: symbol, exportInfo: exportInfo };
- }
- // Not meant for use with export specifiers or export assignment.
- function getExportKindForDeclaration(node) {
- return ts.hasModifier(node, 512 /* Default */) ? 1 /* Default */ : 0 /* Named */;
- }
- }
- FindAllReferences.getImportOrExportSymbol = getImportOrExportSymbol;
- function getExportEqualsLocalSymbol(importedSymbol, checker) {
- if (importedSymbol.flags & 2097152 /* Alias */) {
- return ts.Debug.checkDefined(checker.getImmediateAliasedSymbol(importedSymbol));
- }
- var decl = importedSymbol.valueDeclaration;
- if (ts.isExportAssignment(decl)) { // `export = class {}`
- return ts.Debug.checkDefined(decl.expression.symbol);
- }
- else if (ts.isBinaryExpression(decl)) { // `module.exports = class {}`
- return ts.Debug.checkDefined(decl.right.symbol);
- }
- else if (ts.isSourceFile(decl)) { // json module
- return ts.Debug.checkDefined(decl.symbol);
- }
- return ts.Debug.fail();
- }
- // If a reference is a class expression, the exported node would be its parent.
- // If a reference is a variable declaration, the exported node would be the variable statement.
- function getExportNode(parent, node) {
- var declaration = ts.isVariableDeclaration(parent) ? parent : ts.isBindingElement(parent) ? ts.walkUpBindingElementsAndPatterns(parent) : undefined;
- if (declaration) {
- return parent.name !== node ? undefined :
- ts.isCatchClause(declaration.parent) ? undefined : ts.isVariableStatement(declaration.parent.parent) ? declaration.parent.parent : undefined;
- }
- else {
- return parent;
- }
- }
- function isNodeImport(node) {
- var parent = node.parent;
- switch (parent.kind) {
- case 253 /* ImportEqualsDeclaration */:
- return parent.name === node && isExternalModuleImportEquals(parent);
- case 258 /* ImportSpecifier */:
- // For a rename import `{ foo as bar }`, don't search for the imported symbol. Just find local uses of `bar`.
- return !parent.propertyName;
- case 255 /* ImportClause */:
- case 256 /* NamespaceImport */:
- ts.Debug.assert(parent.name === node);
- return true;
- default:
- return false;
- }
- }
- function getExportInfo(exportSymbol, exportKind, checker) {
- var moduleSymbol = exportSymbol.parent;
- if (!moduleSymbol)
- return undefined; // This can happen if an `export` is not at the top-level (which is a compile error).
- var exportingModuleSymbol = checker.getMergedSymbol(moduleSymbol); // Need to get merged symbol in case there's an augmentation.
- // `export` may appear in a namespace. In that case, just rely on global search.
- return ts.isExternalModuleSymbol(exportingModuleSymbol) ? { exportingModuleSymbol: exportingModuleSymbol, exportKind: exportKind } : undefined;
- }
- FindAllReferences.getExportInfo = getExportInfo;
- /** If at an export specifier, go to the symbol it refers to. */
- function skipExportSpecifierSymbol(symbol, checker) {
- // For `export { foo } from './bar", there's nothing to skip, because it does not create a new alias. But `export { foo } does.
- if (symbol.declarations) {
- for (var _i = 0, _a = symbol.declarations; _i < _a.length; _i++) {
- var declaration = _a[_i];
- if (ts.isExportSpecifier(declaration) && !declaration.propertyName && !declaration.parent.parent.moduleSpecifier) {
- return checker.getExportSpecifierLocalTargetSymbol(declaration);
- }
- }
- }
- return symbol;
- }
- function getContainingModuleSymbol(importer, checker) {
- return checker.getMergedSymbol(getSourceFileLikeForImportDeclaration(importer).symbol);
- }
- function getSourceFileLikeForImportDeclaration(node) {
- if (node.kind === 196 /* CallExpression */) {
- return node.getSourceFile();
- }
- var parent = node.parent;
- if (parent.kind === 290 /* SourceFile */) {
- return parent;
- }
- ts.Debug.assert(parent.kind === 250 /* ModuleBlock */);
- return ts.cast(parent.parent, isAmbientModuleDeclaration);
- }
- function isAmbientModuleDeclaration(node) {
- return node.kind === 249 /* ModuleDeclaration */ && node.name.kind === 10 /* StringLiteral */;
- }
- function isExternalModuleImportEquals(eq) {
- return eq.moduleReference.kind === 265 /* ExternalModuleReference */ && eq.moduleReference.expression.kind === 10 /* StringLiteral */;
- }
- })(FindAllReferences = ts.FindAllReferences || (ts.FindAllReferences = {}));
-})(ts || (ts = {}));
-/* @internal */
-var ts;
-(function (ts) {
- var FindAllReferences;
- (function (FindAllReferences) {
- var DefinitionKind;
- (function (DefinitionKind) {
- DefinitionKind[DefinitionKind["Symbol"] = 0] = "Symbol";
- DefinitionKind[DefinitionKind["Label"] = 1] = "Label";
- DefinitionKind[DefinitionKind["Keyword"] = 2] = "Keyword";
- DefinitionKind[DefinitionKind["This"] = 3] = "This";
- DefinitionKind[DefinitionKind["String"] = 4] = "String";
- })(DefinitionKind = FindAllReferences.DefinitionKind || (FindAllReferences.DefinitionKind = {}));
- var EntryKind;
- (function (EntryKind) {
- EntryKind[EntryKind["Span"] = 0] = "Span";
- EntryKind[EntryKind["Node"] = 1] = "Node";
- EntryKind[EntryKind["StringLiteral"] = 2] = "StringLiteral";
- EntryKind[EntryKind["SearchedLocalFoundProperty"] = 3] = "SearchedLocalFoundProperty";
- EntryKind[EntryKind["SearchedPropertyFoundLocal"] = 4] = "SearchedPropertyFoundLocal";
- })(EntryKind = FindAllReferences.EntryKind || (FindAllReferences.EntryKind = {}));
- function nodeEntry(node, kind) {
- if (kind === void 0) { kind = 1 /* Node */; }
- return {
- kind: kind,
- node: node.name || node,
- context: getContextNodeForNodeEntry(node)
- };
- }
- FindAllReferences.nodeEntry = nodeEntry;
- function isContextWithStartAndEndNode(node) {
- return node && node.kind === undefined;
- }
- FindAllReferences.isContextWithStartAndEndNode = isContextWithStartAndEndNode;
- function getContextNodeForNodeEntry(node) {
- if (ts.isDeclaration(node)) {
- return getContextNode(node);
- }
- if (!node.parent)
- return undefined;
- if (!ts.isDeclaration(node.parent) && !ts.isExportAssignment(node.parent)) {
- // Special property assignment in javascript
- if (ts.isInJSFile(node)) {
- var binaryExpression = ts.isBinaryExpression(node.parent) ?
- node.parent :
- ts.isAccessExpression(node.parent) &&
- ts.isBinaryExpression(node.parent.parent) &&
- node.parent.parent.left === node.parent ?
- node.parent.parent :
- undefined;
- if (binaryExpression && ts.getAssignmentDeclarationKind(binaryExpression) !== 0 /* None */) {
- return getContextNode(binaryExpression);
- }
- }
- // Jsx Tags
- if (ts.isJsxOpeningElement(node.parent) || ts.isJsxClosingElement(node.parent)) {
- return node.parent.parent;
- }
- else if (ts.isJsxSelfClosingElement(node.parent) ||
- ts.isLabeledStatement(node.parent) ||
- ts.isBreakOrContinueStatement(node.parent)) {
- return node.parent;
- }
- else if (ts.isStringLiteralLike(node)) {
- var validImport = ts.tryGetImportFromModuleSpecifier(node);
- if (validImport) {
- var declOrStatement = ts.findAncestor(validImport, function (node) {
- return ts.isDeclaration(node) ||
- ts.isStatement(node) ||
- ts.isJSDocTag(node);
- });
- return ts.isDeclaration(declOrStatement) ?
- getContextNode(declOrStatement) :
- declOrStatement;
- }
- }
- // Handle computed property name
- var propertyName = ts.findAncestor(node, ts.isComputedPropertyName);
- return propertyName ?
- getContextNode(propertyName.parent) :
- undefined;
- }
- if (node.parent.name === node || // node is name of declaration, use parent
- ts.isConstructorDeclaration(node.parent) ||
- ts.isExportAssignment(node.parent) ||
- // Property name of the import export specifier or binding pattern, use parent
- ((ts.isImportOrExportSpecifier(node.parent) || ts.isBindingElement(node.parent))
- && node.parent.propertyName === node) ||
- // Is default export
- (node.kind === 84 /* DefaultKeyword */ && ts.hasModifier(node.parent, 513 /* ExportDefault */))) {
- return getContextNode(node.parent);
- }
- return undefined;
- }
- function getContextNode(node) {
- if (!node)
- return undefined;
- switch (node.kind) {
- case 242 /* VariableDeclaration */:
- return !ts.isVariableDeclarationList(node.parent) || node.parent.declarations.length !== 1 ?
- node :
- ts.isVariableStatement(node.parent.parent) ?
- node.parent.parent :
- ts.isForInOrOfStatement(node.parent.parent) ?
- getContextNode(node.parent.parent) :
- node.parent;
- case 191 /* BindingElement */:
- return getContextNode(node.parent.parent);
- case 258 /* ImportSpecifier */:
- return node.parent.parent.parent;
- case 263 /* ExportSpecifier */:
- case 256 /* NamespaceImport */:
- return node.parent.parent;
- case 255 /* ImportClause */:
- return node.parent;
- case 209 /* BinaryExpression */:
- return ts.isExpressionStatement(node.parent) ?
- node.parent :
- node;
- case 232 /* ForOfStatement */:
- case 231 /* ForInStatement */:
- return {
- start: node.initializer,
- end: node.expression
- };
- case 281 /* PropertyAssignment */:
- case 282 /* ShorthandPropertyAssignment */:
- return ts.isArrayLiteralOrObjectLiteralDestructuringPattern(node.parent) ?
- getContextNode(ts.findAncestor(node.parent, function (node) {
- return ts.isBinaryExpression(node) || ts.isForInOrOfStatement(node);
- })) :
- node;
- default:
- return node;
- }
- }
- FindAllReferences.getContextNode = getContextNode;
- function toContextSpan(textSpan, sourceFile, context) {
- if (!context)
- return undefined;
- var contextSpan = isContextWithStartAndEndNode(context) ?
- getTextSpan(context.start, sourceFile, context.end) :
- getTextSpan(context, sourceFile);
- return contextSpan.start !== textSpan.start || contextSpan.length !== textSpan.length ?
- { contextSpan: contextSpan } :
- undefined;
- }
- FindAllReferences.toContextSpan = toContextSpan;
- var FindReferencesUse;
- (function (FindReferencesUse) {
- /**
- * When searching for references to a symbol, the location will not be adjusted (this is the default behavior when not specified).
- */
- FindReferencesUse[FindReferencesUse["Other"] = 0] = "Other";
- /**
- * When searching for references to a symbol, the location will be adjusted if the cursor was on a keyword.
- */
- FindReferencesUse[FindReferencesUse["References"] = 1] = "References";
- /**
- * When searching for references to a symbol, the location will be adjusted if the cursor was on a keyword.
- * Unlike `References`, the location will only be adjusted keyword belonged to a declaration with a valid name.
- * If set, we will find fewer references -- if it is referenced by several different names, we still only find references for the original name.
- */
- FindReferencesUse[FindReferencesUse["Rename"] = 2] = "Rename";
- })(FindReferencesUse = FindAllReferences.FindReferencesUse || (FindAllReferences.FindReferencesUse = {}));
- function findReferencedSymbols(program, cancellationToken, sourceFiles, sourceFile, position) {
- var node = ts.getTouchingPropertyName(sourceFile, position);
- var referencedSymbols = Core.getReferencedSymbolsForNode(position, node, program, sourceFiles, cancellationToken, { use: 1 /* References */ });
- var checker = program.getTypeChecker();
- return !referencedSymbols || !referencedSymbols.length ? undefined : ts.mapDefined(referencedSymbols, function (_a) {
- var definition = _a.definition, references = _a.references;
- // Only include referenced symbols that have a valid definition.
- return definition && {
- definition: checker.runWithCancellationToken(cancellationToken, function (checker) { return definitionToReferencedSymbolDefinitionInfo(definition, checker, node); }),
- references: references.map(toReferenceEntry)
- };
- });
- }
- FindAllReferences.findReferencedSymbols = findReferencedSymbols;
- function getImplementationsAtPosition(program, cancellationToken, sourceFiles, sourceFile, position) {
- var node = ts.getTouchingPropertyName(sourceFile, position);
- var referenceEntries;
- var entries = getImplementationReferenceEntries(program, cancellationToken, sourceFiles, node, position);
- if (node.parent.kind === 194 /* PropertyAccessExpression */
- || node.parent.kind === 191 /* BindingElement */
- || node.parent.kind === 195 /* ElementAccessExpression */
- || node.kind === 102 /* SuperKeyword */) {
- referenceEntries = entries && __spreadArrays(entries);
- }
- else {
- var queue = entries && __spreadArrays(entries);
- var seenNodes = ts.createMap();
- while (queue && queue.length) {
- var entry = queue.shift();
- if (!ts.addToSeen(seenNodes, ts.getNodeId(entry.node))) {
- continue;
- }
- referenceEntries = ts.append(referenceEntries, entry);
- var entries_1 = getImplementationReferenceEntries(program, cancellationToken, sourceFiles, entry.node, entry.node.pos);
- if (entries_1) {
- queue.push.apply(queue, entries_1);
- }
- }
- }
- var checker = program.getTypeChecker();
- return ts.map(referenceEntries, function (entry) { return toImplementationLocation(entry, checker); });
- }
- FindAllReferences.getImplementationsAtPosition = getImplementationsAtPosition;
- function getImplementationReferenceEntries(program, cancellationToken, sourceFiles, node, position) {
- if (node.kind === 290 /* SourceFile */) {
- return undefined;
- }
- var checker = program.getTypeChecker();
- // If invoked directly on a shorthand property assignment, then return
- // the declaration of the symbol being assigned (not the symbol being assigned to).
- if (node.parent.kind === 282 /* ShorthandPropertyAssignment */) {
- var result_1 = [];
- Core.getReferenceEntriesForShorthandPropertyAssignment(node, checker, function (node) { return result_1.push(nodeEntry(node)); });
- return result_1;
- }
- else if (node.kind === 102 /* SuperKeyword */ || ts.isSuperProperty(node.parent)) {
- // References to and accesses on the super keyword only have one possible implementation, so no
- // need to "Find all References"
- var symbol = checker.getSymbolAtLocation(node);
- return symbol.valueDeclaration && [nodeEntry(symbol.valueDeclaration)];
- }
- else {
- // Perform "Find all References" and retrieve only those that are implementations
- return getReferenceEntriesForNode(position, node, program, sourceFiles, cancellationToken, { implementations: true, use: 1 /* References */ });
- }
- }
- function findReferenceOrRenameEntries(program, cancellationToken, sourceFiles, node, position, options, convertEntry) {
- return ts.map(flattenEntries(Core.getReferencedSymbolsForNode(position, node, program, sourceFiles, cancellationToken, options)), function (entry) { return convertEntry(entry, node, program.getTypeChecker()); });
- }
- FindAllReferences.findReferenceOrRenameEntries = findReferenceOrRenameEntries;
- function getReferenceEntriesForNode(position, node, program, sourceFiles, cancellationToken, options, sourceFilesSet) {
- if (options === void 0) { options = {}; }
- if (sourceFilesSet === void 0) { sourceFilesSet = ts.arrayToSet(sourceFiles, function (f) { return f.fileName; }); }
- return flattenEntries(Core.getReferencedSymbolsForNode(position, node, program, sourceFiles, cancellationToken, options, sourceFilesSet));
- }
- FindAllReferences.getReferenceEntriesForNode = getReferenceEntriesForNode;
- function flattenEntries(referenceSymbols) {
- return referenceSymbols && ts.flatMap(referenceSymbols, function (r) { return r.references; });
- }
- function definitionToReferencedSymbolDefinitionInfo(def, checker, originalNode) {
- var info = (function () {
- switch (def.type) {
- case 0 /* Symbol */: {
- var symbol = def.symbol;
- var _a = getDefinitionKindAndDisplayParts(symbol, checker, originalNode), displayParts_1 = _a.displayParts, kind_1 = _a.kind;
- var name_1 = displayParts_1.map(function (p) { return p.text; }).join("");
- var declaration = symbol.declarations ? ts.first(symbol.declarations) : undefined;
- return {
- node: declaration ?
- ts.getNameOfDeclaration(declaration) || declaration :
- originalNode,
- name: name_1,
- kind: kind_1,
- displayParts: displayParts_1,
- context: getContextNode(declaration)
- };
- }
- case 1 /* Label */: {
- var node_1 = def.node;
- return { node: node_1, name: node_1.text, kind: "label" /* label */, displayParts: [ts.displayPart(node_1.text, ts.SymbolDisplayPartKind.text)] };
- }
- case 2 /* Keyword */: {
- var node_2 = def.node;
- var name_2 = ts.tokenToString(node_2.kind);
- return { node: node_2, name: name_2, kind: "keyword" /* keyword */, displayParts: [{ text: name_2, kind: "keyword" /* keyword */ }] };
- }
- case 3 /* This */: {
- var node_3 = def.node;
- var symbol = checker.getSymbolAtLocation(node_3);
- var displayParts_2 = symbol && ts.SymbolDisplay.getSymbolDisplayPartsDocumentationAndSymbolKind(checker, symbol, node_3.getSourceFile(), ts.getContainerNode(node_3), node_3).displayParts || [ts.textPart("this")];
- return { node: node_3, name: "this", kind: "var" /* variableElement */, displayParts: displayParts_2 };
- }
- case 4 /* String */: {
- var node_4 = def.node;
- return { node: node_4, name: node_4.text, kind: "var" /* variableElement */, displayParts: [ts.displayPart(ts.getTextOfNode(node_4), ts.SymbolDisplayPartKind.stringLiteral)] };
- }
- default:
- return ts.Debug.assertNever(def);
- }
- })();
- var node = info.node, name = info.name, kind = info.kind, displayParts = info.displayParts, context = info.context;
- var sourceFile = node.getSourceFile();
- var textSpan = getTextSpan(ts.isComputedPropertyName(node) ? node.expression : node, sourceFile);
- return __assign({ containerKind: "" /* unknown */, containerName: "", fileName: sourceFile.fileName, kind: kind,
- name: name,
- textSpan: textSpan,
- displayParts: displayParts }, toContextSpan(textSpan, sourceFile, context));
- }
- function getDefinitionKindAndDisplayParts(symbol, checker, node) {
- var meaning = Core.getIntersectingMeaningFromDeclarations(node, symbol);
- var enclosingDeclaration = symbol.declarations && ts.firstOrUndefined(symbol.declarations) || node;
- var _a = ts.SymbolDisplay.getSymbolDisplayPartsDocumentationAndSymbolKind(checker, symbol, enclosingDeclaration.getSourceFile(), enclosingDeclaration, enclosingDeclaration, meaning), displayParts = _a.displayParts, symbolKind = _a.symbolKind;
- return { displayParts: displayParts, kind: symbolKind };
- }
- function toRenameLocation(entry, originalNode, checker, providePrefixAndSuffixText) {
- return __assign(__assign({}, entryToDocumentSpan(entry)), (providePrefixAndSuffixText && getPrefixAndSuffixText(entry, originalNode, checker)));
- }
- FindAllReferences.toRenameLocation = toRenameLocation;
- function toReferenceEntry(entry) {
- var documentSpan = entryToDocumentSpan(entry);
- if (entry.kind === 0 /* Span */) {
- return __assign(__assign({}, documentSpan), { isWriteAccess: false, isDefinition: false });
- }
- var kind = entry.kind, node = entry.node;
- return __assign(__assign({}, documentSpan), { isWriteAccess: isWriteAccessForReference(node), isDefinition: isDefinitionForReference(node), isInString: kind === 2 /* StringLiteral */ ? true : undefined });
- }
- FindAllReferences.toReferenceEntry = toReferenceEntry;
- function entryToDocumentSpan(entry) {
- if (entry.kind === 0 /* Span */) {
- return { textSpan: entry.textSpan, fileName: entry.fileName };
- }
- else {
- var sourceFile = entry.node.getSourceFile();
- var textSpan = getTextSpan(entry.node, sourceFile);
- return __assign({ textSpan: textSpan, fileName: sourceFile.fileName }, toContextSpan(textSpan, sourceFile, entry.context));
- }
- }
- function getPrefixAndSuffixText(entry, originalNode, checker) {
- if (entry.kind !== 0 /* Span */ && ts.isIdentifier(originalNode)) {
- var node = entry.node, kind = entry.kind;
- var name = originalNode.text;
- var isShorthandAssignment = ts.isShorthandPropertyAssignment(node.parent);
- if (isShorthandAssignment || ts.isObjectBindingElementWithoutPropertyName(node.parent) && node.parent.name === node) {
- var prefixColon = { prefixText: name + ": " };
- var suffixColon = { suffixText: ": " + name };
- return kind === 3 /* SearchedLocalFoundProperty */ ? prefixColon
- : kind === 4 /* SearchedPropertyFoundLocal */ ? suffixColon
- // In `const o = { x }; o.x`, symbolAtLocation at `x` in `{ x }` is the property symbol.
- // For a binding element `const { x } = o;`, symbolAtLocation at `x` is the property symbol.
- : isShorthandAssignment ? suffixColon : prefixColon;
- }
- else if (ts.isImportSpecifier(entry.node.parent) && !entry.node.parent.propertyName) {
- // If the original symbol was using this alias, just rename the alias.
- var originalSymbol = ts.isExportSpecifier(originalNode.parent) ? checker.getExportSpecifierLocalTargetSymbol(originalNode.parent) : checker.getSymbolAtLocation(originalNode);
- return ts.contains(originalSymbol.declarations, entry.node.parent) ? { prefixText: name + " as " } : ts.emptyOptions;
- }
- else if (ts.isExportSpecifier(entry.node.parent) && !entry.node.parent.propertyName) {
- // If the symbol for the node is same as declared node symbol use prefix text
- return originalNode === entry.node || checker.getSymbolAtLocation(originalNode) === checker.getSymbolAtLocation(entry.node) ?
- { prefixText: name + " as " } :
- { suffixText: " as " + name };
- }
- }
- return ts.emptyOptions;
- }
- function toImplementationLocation(entry, checker) {
- var documentSpan = entryToDocumentSpan(entry);
- if (entry.kind !== 0 /* Span */) {
- var node = entry.node;
- return __assign(__assign({}, documentSpan), implementationKindDisplayParts(node, checker));
- }
- else {
- return __assign(__assign({}, documentSpan), { kind: "" /* unknown */, displayParts: [] });
- }
- }
- function implementationKindDisplayParts(node, checker) {
- var symbol = checker.getSymbolAtLocation(ts.isDeclaration(node) && node.name ? node.name : node);
- if (symbol) {
- return getDefinitionKindAndDisplayParts(symbol, checker, node);
- }
- else if (node.kind === 193 /* ObjectLiteralExpression */) {
- return {
- kind: "interface" /* interfaceElement */,
- displayParts: [ts.punctuationPart(20 /* OpenParenToken */), ts.textPart("object literal"), ts.punctuationPart(21 /* CloseParenToken */)]
- };
- }
- else if (node.kind === 214 /* ClassExpression */) {
- return {
- kind: "local class" /* localClassElement */,
- displayParts: [ts.punctuationPart(20 /* OpenParenToken */), ts.textPart("anonymous local class"), ts.punctuationPart(21 /* CloseParenToken */)]
- };
- }
- else {
- return { kind: ts.getNodeKind(node), displayParts: [] };
- }
- }
- function toHighlightSpan(entry) {
- var documentSpan = entryToDocumentSpan(entry);
- if (entry.kind === 0 /* Span */) {
- return {
- fileName: documentSpan.fileName,
- span: {
- textSpan: documentSpan.textSpan,
- kind: "reference" /* reference */
- }
- };
- }
- var writeAccess = isWriteAccessForReference(entry.node);
- var span = __assign({ textSpan: documentSpan.textSpan, kind: writeAccess ? "writtenReference" /* writtenReference */ : "reference" /* reference */, isInString: entry.kind === 2 /* StringLiteral */ ? true : undefined }, documentSpan.contextSpan && { contextSpan: documentSpan.contextSpan });
- return { fileName: documentSpan.fileName, span: span };
- }
- FindAllReferences.toHighlightSpan = toHighlightSpan;
- function getTextSpan(node, sourceFile, endNode) {
- var start = node.getStart(sourceFile);
- var end = (endNode || node).getEnd();
- if (ts.isStringLiteralLike(node)) {
- ts.Debug.assert(endNode === undefined);
- start += 1;
- end -= 1;
- }
- return ts.createTextSpanFromBounds(start, end);
- }
- function getTextSpanOfEntry(entry) {
- return entry.kind === 0 /* Span */ ? entry.textSpan :
- getTextSpan(entry.node, entry.node.getSourceFile());
- }
- FindAllReferences.getTextSpanOfEntry = getTextSpanOfEntry;
- /** A node is considered a writeAccess iff it is a name of a declaration or a target of an assignment */
- function isWriteAccessForReference(node) {
- var decl = ts.getDeclarationFromName(node);
- return !!decl && declarationIsWriteAccess(decl) || node.kind === 84 /* DefaultKeyword */ || ts.isWriteAccess(node);
- }
- function isDefinitionForReference(node) {
- return node.kind === 84 /* DefaultKeyword */
- || !!ts.getDeclarationFromName(node)
- || ts.isLiteralComputedPropertyDeclarationName(node)
- || (node.kind === 129 /* ConstructorKeyword */ && ts.isConstructorDeclaration(node.parent));
- }
- /**
- * True if 'decl' provides a value, as in `function f() {}`;
- * false if 'decl' is just a location for a future write, as in 'let x;'
- */
- function declarationIsWriteAccess(decl) {
- // Consider anything in an ambient declaration to be a write access since it may be coming from JS.
- if (!!(decl.flags & 8388608 /* Ambient */))
- return true;
- switch (decl.kind) {
- case 209 /* BinaryExpression */:
- case 191 /* BindingElement */:
- case 245 /* ClassDeclaration */:
- case 214 /* ClassExpression */:
- case 84 /* DefaultKeyword */:
- case 248 /* EnumDeclaration */:
- case 284 /* EnumMember */:
- case 263 /* ExportSpecifier */:
- case 255 /* ImportClause */: // default import
- case 253 /* ImportEqualsDeclaration */:
- case 258 /* ImportSpecifier */:
- case 246 /* InterfaceDeclaration */:
- case 315 /* JSDocCallbackTag */:
- case 322 /* JSDocTypedefTag */:
- case 273 /* JsxAttribute */:
- case 249 /* ModuleDeclaration */:
- case 252 /* NamespaceExportDeclaration */:
- case 256 /* NamespaceImport */:
- case 262 /* NamespaceExport */:
- case 156 /* Parameter */:
- case 282 /* ShorthandPropertyAssignment */:
- case 247 /* TypeAliasDeclaration */:
- case 155 /* TypeParameter */:
- return true;
- case 281 /* PropertyAssignment */:
- // In `({ x: y } = 0);`, `x` is not a write access. (Won't call this function for `y`.)
- return !ts.isArrayLiteralOrObjectLiteralDestructuringPattern(decl.parent);
- case 244 /* FunctionDeclaration */:
- case 201 /* FunctionExpression */:
- case 162 /* Constructor */:
- case 161 /* MethodDeclaration */:
- case 163 /* GetAccessor */:
- case 164 /* SetAccessor */:
- return !!decl.body;
- case 242 /* VariableDeclaration */:
- case 159 /* PropertyDeclaration */:
- return !!decl.initializer || ts.isCatchClause(decl.parent);
- case 160 /* MethodSignature */:
- case 158 /* PropertySignature */:
- case 323 /* JSDocPropertyTag */:
- case 317 /* JSDocParameterTag */:
- return false;
- default:
- return ts.Debug.failBadSyntaxKind(decl);
- }
- }
- /** Encapsulates the core find-all-references algorithm. */
- var Core;
- (function (Core) {
- /** Core find-all-references algorithm. Handles special cases before delegating to `getReferencedSymbolsForSymbol`. */
- function getReferencedSymbolsForNode(position, node, program, sourceFiles, cancellationToken, options, sourceFilesSet) {
- if (options === void 0) { options = {}; }
- if (sourceFilesSet === void 0) { sourceFilesSet = ts.arrayToSet(sourceFiles, function (f) { return f.fileName; }); }
- if (options.use === 1 /* References */) {
- node = ts.getAdjustedReferenceLocation(node);
- }
- else if (options.use === 2 /* Rename */) {
- node = ts.getAdjustedRenameLocation(node);
- }
- if (ts.isSourceFile(node)) {
- var reference = ts.GoToDefinition.getReferenceAtPosition(node, position, program);
- var moduleSymbol = reference && program.getTypeChecker().getMergedSymbol(reference.file.symbol);
- return moduleSymbol && getReferencedSymbolsForModule(program, moduleSymbol, /*excludeImportTypeOfExportEquals*/ false, sourceFiles, sourceFilesSet);
- }
- if (!options.implementations) {
- var special = getReferencedSymbolsSpecial(node, sourceFiles, cancellationToken);
- if (special) {
- return special;
- }
- }
- var checker = program.getTypeChecker();
- var symbol = checker.getSymbolAtLocation(node);
- // Could not find a symbol e.g. unknown identifier
- if (!symbol) {
- // String literal might be a property (and thus have a symbol), so do this here rather than in getReferencedSymbolsSpecial.
- return !options.implementations && ts.isStringLiteral(node) ? getReferencesForStringLiteral(node, sourceFiles, cancellationToken) : undefined;
- }
- if (symbol.escapedName === "export=" /* ExportEquals */) {
- return getReferencedSymbolsForModule(program, symbol.parent, /*excludeImportTypeOfExportEquals*/ false, sourceFiles, sourceFilesSet);
- }
- var moduleReferences = getReferencedSymbolsForModuleIfDeclaredBySourceFile(symbol, program, sourceFiles, cancellationToken, options, sourceFilesSet);
- if (moduleReferences && !(symbol.flags & 33554432 /* Transient */)) {
- return moduleReferences;
- }
- var aliasedSymbol = getMergedAliasedSymbolOfNamespaceExportDeclaration(node, symbol, checker);
- var moduleReferencesOfExportTarget = aliasedSymbol &&
- getReferencedSymbolsForModuleIfDeclaredBySourceFile(aliasedSymbol, program, sourceFiles, cancellationToken, options, sourceFilesSet);
- var references = getReferencedSymbolsForSymbol(symbol, node, sourceFiles, sourceFilesSet, checker, cancellationToken, options);
- return mergeReferences(program, moduleReferences, references, moduleReferencesOfExportTarget);
- }
- Core.getReferencedSymbolsForNode = getReferencedSymbolsForNode;
- function getMergedAliasedSymbolOfNamespaceExportDeclaration(node, symbol, checker) {
- if (node.parent && ts.isNamespaceExportDeclaration(node.parent)) {
- var aliasedSymbol = checker.getAliasedSymbol(symbol);
- var targetSymbol = checker.getMergedSymbol(aliasedSymbol);
- if (aliasedSymbol !== targetSymbol) {
- return targetSymbol;
- }
- }
- return undefined;
- }
- function getReferencedSymbolsForModuleIfDeclaredBySourceFile(symbol, program, sourceFiles, cancellationToken, options, sourceFilesSet) {
- var moduleSourceFile = (symbol.flags & 1536 /* Module */) && symbol.declarations && ts.find(symbol.declarations, ts.isSourceFile);
- if (!moduleSourceFile)
- return undefined;
- var exportEquals = symbol.exports.get("export=" /* ExportEquals */);
- // If !!exportEquals, we're about to add references to `import("mod")` anyway, so don't double-count them.
- var moduleReferences = getReferencedSymbolsForModule(program, symbol, !!exportEquals, sourceFiles, sourceFilesSet);
- if (!exportEquals || !sourceFilesSet.has(moduleSourceFile.fileName))
- return moduleReferences;
- // Continue to get references to 'export ='.
- var checker = program.getTypeChecker();
- symbol = ts.skipAlias(exportEquals, checker);
- return mergeReferences(program, moduleReferences, getReferencedSymbolsForSymbol(symbol, /*node*/ undefined, sourceFiles, sourceFilesSet, checker, cancellationToken, options));
- }
- /**
- * Merges the references by sorting them (by file index in sourceFiles and their location in it) that point to same definition symbol
- */
- function mergeReferences(program) {
- var referencesToMerge = [];
- for (var _i = 1; _i < arguments.length; _i++) {
- referencesToMerge[_i - 1] = arguments[_i];
- }
- var result;
- for (var _a = 0, referencesToMerge_1 = referencesToMerge; _a < referencesToMerge_1.length; _a++) {
- var references = referencesToMerge_1[_a];
- if (!references || !references.length)
- continue;
- if (!result) {
- result = references;
- continue;
- }
- var _loop_3 = function (entry) {
- if (!entry.definition || entry.definition.type !== 0 /* Symbol */) {
- result.push(entry);
- return "continue";
- }
- var symbol = entry.definition.symbol;
- var refIndex = ts.findIndex(result, function (ref) { return !!ref.definition &&
- ref.definition.type === 0 /* Symbol */ &&
- ref.definition.symbol === symbol; });
- if (refIndex === -1) {
- result.push(entry);
- return "continue";
- }
- var reference = result[refIndex];
- result[refIndex] = {
- definition: reference.definition,
- references: reference.references.concat(entry.references).sort(function (entry1, entry2) {
- var entry1File = getSourceFileIndexOfEntry(program, entry1);
- var entry2File = getSourceFileIndexOfEntry(program, entry2);
- if (entry1File !== entry2File) {
- return ts.compareValues(entry1File, entry2File);
- }
- var entry1Span = getTextSpanOfEntry(entry1);
- var entry2Span = getTextSpanOfEntry(entry2);
- return entry1Span.start !== entry2Span.start ?
- ts.compareValues(entry1Span.start, entry2Span.start) :
- ts.compareValues(entry1Span.length, entry2Span.length);
- })
- };
- };
- for (var _b = 0, references_1 = references; _b < references_1.length; _b++) {
- var entry = references_1[_b];
- _loop_3(entry);
- }
- }
- return result;
- }
- function getSourceFileIndexOfEntry(program, entry) {
- var sourceFile = entry.kind === 0 /* Span */ ?
- program.getSourceFile(entry.fileName) :
- entry.node.getSourceFile();
- return program.getSourceFiles().indexOf(sourceFile);
- }
- function getReferencedSymbolsForModule(program, symbol, excludeImportTypeOfExportEquals, sourceFiles, sourceFilesSet) {
- ts.Debug.assert(!!symbol.valueDeclaration);
- var references = ts.mapDefined(FindAllReferences.findModuleReferences(program, sourceFiles, symbol), function (reference) {
- if (reference.kind === "import") {
- var parent = reference.literal.parent;
- if (ts.isLiteralTypeNode(parent)) {
- var importType = ts.cast(parent.parent, ts.isImportTypeNode);
- if (excludeImportTypeOfExportEquals && !importType.qualifier) {
- return undefined;
- }
- }
- // import("foo") with no qualifier will reference the `export =` of the module, which may be referenced anyway.
- return nodeEntry(reference.literal);
- }
- else {
- return {
- kind: 0 /* Span */,
- fileName: reference.referencingFile.fileName,
- textSpan: ts.createTextSpanFromRange(reference.ref),
- };
- }
- });
- if (symbol.declarations) {
- for (var _i = 0, _a = symbol.declarations; _i < _a.length; _i++) {
- var decl = _a[_i];
- switch (decl.kind) {
- case 290 /* SourceFile */:
- // Don't include the source file itself. (This may not be ideal behavior, but awkward to include an entire file as a reference.)
- break;
- case 249 /* ModuleDeclaration */:
- if (sourceFilesSet.has(decl.getSourceFile().fileName)) {
- references.push(nodeEntry(decl.name));
- }
- break;
- default:
- // This may be merged with something.
- ts.Debug.assert(!!(symbol.flags & 33554432 /* Transient */), "Expected a module symbol to be declared by a SourceFile or ModuleDeclaration.");
- }
- }
- }
- var exported = symbol.exports.get("export=" /* ExportEquals */);
- if (exported) {
- for (var _b = 0, _c = exported.declarations; _b < _c.length; _b++) {
- var decl = _c[_b];
- var sourceFile = decl.getSourceFile();
- if (sourceFilesSet.has(sourceFile.fileName)) {
- // At `module.exports = ...`, reference node is `module`
- var node = ts.isBinaryExpression(decl) && ts.isPropertyAccessExpression(decl.left) ? decl.left.expression :
- ts.isExportAssignment(decl) ? ts.Debug.checkDefined(ts.findChildOfKind(decl, 89 /* ExportKeyword */, sourceFile)) :
- ts.getNameOfDeclaration(decl) || decl;
- references.push(nodeEntry(node));
- }
- }
- }
- return references.length ? [{ definition: { type: 0 /* Symbol */, symbol: symbol }, references: references }] : ts.emptyArray;
- }
- /** As in a `readonly prop: any` or `constructor(readonly prop: any)`, not a `readonly any[]`. */
- function isReadonlyTypeOperator(node) {
- return node.kind === 138 /* ReadonlyKeyword */
- && ts.isTypeOperatorNode(node.parent)
- && node.parent.operator === 138 /* ReadonlyKeyword */;
- }
- /** getReferencedSymbols for special node kinds. */
- function getReferencedSymbolsSpecial(node, sourceFiles, cancellationToken) {
- if (ts.isTypeKeyword(node.kind)) {
- // A void expression (i.e., `void foo()`) is not special, but the `void` type is.
- if (node.kind === 110 /* VoidKeyword */ && ts.isVoidExpression(node.parent)) {
- return undefined;
- }
- // A modifier readonly (like on a property declaration) is not special;
- // a readonly type keyword (like `readonly string[]`) is.
- if (node.kind === 138 /* ReadonlyKeyword */ && !isReadonlyTypeOperator(node)) {
- return undefined;
- }
- // Likewise, when we *are* looking for a special keyword, make sure we
- // *don’t* include readonly member modifiers.
- return getAllReferencesForKeyword(sourceFiles, node.kind, cancellationToken, node.kind === 138 /* ReadonlyKeyword */ ? isReadonlyTypeOperator : undefined);
- }
- // Labels
- if (ts.isJumpStatementTarget(node)) {
- var labelDefinition = ts.getTargetLabel(node.parent, node.text);
- // if we have a label definition, look within its statement for references, if not, then
- // the label is undefined and we have no results..
- return labelDefinition && getLabelReferencesInNode(labelDefinition.parent, labelDefinition);
- }
- else if (ts.isLabelOfLabeledStatement(node)) {
- // it is a label definition and not a target, search within the parent labeledStatement
- return getLabelReferencesInNode(node.parent, node);
- }
- if (ts.isThis(node)) {
- return getReferencesForThisKeyword(node, sourceFiles, cancellationToken);
- }
- if (node.kind === 102 /* SuperKeyword */) {
- return getReferencesForSuperKeyword(node);
- }
- return undefined;
- }
- /** Core find-all-references algorithm for a normal symbol. */
- function getReferencedSymbolsForSymbol(originalSymbol, node, sourceFiles, sourceFilesSet, checker, cancellationToken, options) {
- var symbol = node && skipPastExportOrImportSpecifierOrUnion(originalSymbol, node, checker, /*useLocalSymbolForExportSpecifier*/ !isForRenameWithPrefixAndSuffixText(options)) || originalSymbol;
- // Compute the meaning from the location and the symbol it references
- var searchMeaning = node ? getIntersectingMeaningFromDeclarations(node, symbol) : 7 /* All */;
- var result = [];
- var state = new State(sourceFiles, sourceFilesSet, node ? getSpecialSearchKind(node) : 0 /* None */, checker, cancellationToken, searchMeaning, options, result);
- var exportSpecifier = !isForRenameWithPrefixAndSuffixText(options) ? undefined : ts.find(symbol.declarations, ts.isExportSpecifier);
- if (exportSpecifier) {
- // When renaming at an export specifier, rename the export and not the thing being exported.
- getReferencesAtExportSpecifier(exportSpecifier.name, symbol, exportSpecifier, state.createSearch(node, originalSymbol, /*comingFrom*/ undefined), state, /*addReferencesHere*/ true, /*alwaysGetReferences*/ true);
- }
- else if (node && node.kind === 84 /* DefaultKeyword */) {
- addReference(node, symbol, state);
- searchForImportsOfExport(node, symbol, { exportingModuleSymbol: ts.Debug.checkDefined(symbol.parent, "Expected export symbol to have a parent"), exportKind: 1 /* Default */ }, state);
- }
- else {
- var search = state.createSearch(node, symbol, /*comingFrom*/ undefined, { allSearchSymbols: node ? populateSearchSymbolSet(symbol, node, checker, options.use === 2 /* Rename */, !!options.providePrefixAndSuffixTextForRename, !!options.implementations) : [symbol] });
- getReferencesInContainerOrFiles(symbol, state, search);
- }
- return result;
- }
- function getReferencesInContainerOrFiles(symbol, state, search) {
- // Try to get the smallest valid scope that we can limit our search to;
- // otherwise we'll need to search globally (i.e. include each file).
- var scope = getSymbolScope(symbol);
- if (scope) {
- getReferencesInContainer(scope, scope.getSourceFile(), search, state, /*addReferencesHere*/ !(ts.isSourceFile(scope) && !ts.contains(state.sourceFiles, scope)));
- }
- else {
- // Global search
- for (var _i = 0, _a = state.sourceFiles; _i < _a.length; _i++) {
- var sourceFile = _a[_i];
- state.cancellationToken.throwIfCancellationRequested();
- searchForName(sourceFile, search, state);
- }
- }
- }
- function getSpecialSearchKind(node) {
- switch (node.kind) {
- case 129 /* ConstructorKeyword */:
- return 1 /* Constructor */;
- case 75 /* Identifier */:
- if (ts.isClassLike(node.parent)) {
- ts.Debug.assert(node.parent.name === node);
- return 2 /* Class */;
- }
- // falls through
- default:
- return 0 /* None */;
- }
- }
- /** Handle a few special cases relating to export/import specifiers. */
- function skipPastExportOrImportSpecifierOrUnion(symbol, node, checker, useLocalSymbolForExportSpecifier) {
- var parent = node.parent;
- if (ts.isExportSpecifier(parent) && useLocalSymbolForExportSpecifier) {
- return getLocalSymbolForExportSpecifier(node, symbol, parent, checker);
- }
- // If the symbol is declared as part of a declaration like `{ type: "a" } | { type: "b" }`, use the property on the union type to get more references.
- return ts.firstDefined(symbol.declarations, function (decl) {
- if (!decl.parent) {
- // Ignore UMD module and global merge
- if (symbol.flags & 33554432 /* Transient */)
- return undefined;
- // Assertions for GH#21814. We should be handling SourceFile symbols in `getReferencedSymbolsForModule` instead of getting here.
- ts.Debug.fail("Unexpected symbol at " + ts.Debug.formatSyntaxKind(node.kind) + ": " + ts.Debug.formatSymbol(symbol));
- }
- return ts.isTypeLiteralNode(decl.parent) && ts.isUnionTypeNode(decl.parent.parent)
- ? checker.getPropertyOfType(checker.getTypeFromTypeNode(decl.parent.parent), symbol.name)
- : undefined;
- });
- }
- var SpecialSearchKind;
- (function (SpecialSearchKind) {
- SpecialSearchKind[SpecialSearchKind["None"] = 0] = "None";
- SpecialSearchKind[SpecialSearchKind["Constructor"] = 1] = "Constructor";
- SpecialSearchKind[SpecialSearchKind["Class"] = 2] = "Class";
- })(SpecialSearchKind || (SpecialSearchKind = {}));
- function getNonModuleSymbolOfMergedModuleSymbol(symbol) {
- if (!(symbol.flags & (1536 /* Module */ | 33554432 /* Transient */)))
- return undefined;
- var decl = symbol.declarations && ts.find(symbol.declarations, function (d) { return !ts.isSourceFile(d) && !ts.isModuleDeclaration(d); });
- return decl && decl.symbol;
- }
- /**
- * Holds all state needed for the finding references.
- * Unlike `Search`, there is only one `State`.
- */
- var State = /** @class */ (function () {
- function State(sourceFiles, sourceFilesSet, specialSearchKind, checker, cancellationToken, searchMeaning, options, result) {
- this.sourceFiles = sourceFiles;
- this.sourceFilesSet = sourceFilesSet;
- this.specialSearchKind = specialSearchKind;
- this.checker = checker;
- this.cancellationToken = cancellationToken;
- this.searchMeaning = searchMeaning;
- this.options = options;
- this.result = result;
- /** Cache for `explicitlyinheritsFrom`. */
- this.inheritsFromCache = ts.createMap();
- /**
- * Type nodes can contain multiple references to the same type. For example:
- * let x: Foo & (Foo & Bar) = ...
- * Because we are returning the implementation locations and not the identifier locations,
- * duplicate entries would be returned here as each of the type references is part of
- * the same implementation. For that reason, check before we add a new entry.
- */
- this.markSeenContainingTypeReference = ts.nodeSeenTracker();
- /**
- * It's possible that we will encounter the right side of `export { foo as bar } from "x";` more than once.
- * For example:
- * // b.ts
- * export { foo as bar } from "./a";
- * import { bar } from "./b";
- *
- * Normally at `foo as bar` we directly add `foo` and do not locally search for it (since it doesn't declare a local).
- * But another reference to it may appear in the same source file.
- * See `tests/cases/fourslash/transitiveExportImports3.ts`.
- */
- this.markSeenReExportRHS = ts.nodeSeenTracker();
- this.symbolIdToReferences = [];
- // Source file ID → symbol ID → Whether the symbol has been searched for in the source file.
- this.sourceFileToSeenSymbols = [];
- }
- State.prototype.includesSourceFile = function (sourceFile) {
- return this.sourceFilesSet.has(sourceFile.fileName);
- };
- /** Gets every place to look for references of an exported symbols. See `ImportsResult` in `importTracker.ts` for more documentation. */
- State.prototype.getImportSearches = function (exportSymbol, exportInfo) {
- if (!this.importTracker)
- this.importTracker = FindAllReferences.createImportTracker(this.sourceFiles, this.sourceFilesSet, this.checker, this.cancellationToken);
- return this.importTracker(exportSymbol, exportInfo, this.options.use === 2 /* Rename */);
- };
- /** @param allSearchSymbols set of additional symbols for use by `includes`. */
- State.prototype.createSearch = function (location, symbol, comingFrom, searchOptions) {
- if (searchOptions === void 0) { searchOptions = {}; }
- // Note: if this is an external module symbol, the name doesn't include quotes.
- // Note: getLocalSymbolForExportDefault handles `export default class C {}`, but not `export default C` or `export { C as default }`.
- // The other two forms seem to be handled downstream (e.g. in `skipPastExportOrImportSpecifier`), so special-casing the first form
- // here appears to be intentional).
- var _a = searchOptions.text, text = _a === void 0 ? ts.stripQuotes(ts.symbolName(ts.getLocalSymbolForExportDefault(symbol) || getNonModuleSymbolOfMergedModuleSymbol(symbol) || symbol)) : _a, _b = searchOptions.allSearchSymbols, allSearchSymbols = _b === void 0 ? [symbol] : _b;
- var escapedText = ts.escapeLeadingUnderscores(text);
- var parents = this.options.implementations && location ? getParentSymbolsOfPropertyAccess(location, symbol, this.checker) : undefined;
- return { symbol: symbol, comingFrom: comingFrom, text: text, escapedText: escapedText, parents: parents, allSearchSymbols: allSearchSymbols, includes: function (sym) { return ts.contains(allSearchSymbols, sym); } };
- };
- /**
- * Callback to add references for a particular searched symbol.
- * This initializes a reference group, so only call this if you will add at least one reference.
- */
- State.prototype.referenceAdder = function (searchSymbol) {
- var symbolId = ts.getSymbolId(searchSymbol);
- var references = this.symbolIdToReferences[symbolId];
- if (!references) {
- references = this.symbolIdToReferences[symbolId] = [];
- this.result.push({ definition: { type: 0 /* Symbol */, symbol: searchSymbol }, references: references });
- }
- return function (node, kind) { return references.push(nodeEntry(node, kind)); };
- };
- /** Add a reference with no associated definition. */
- State.prototype.addStringOrCommentReference = function (fileName, textSpan) {
- this.result.push({
- definition: undefined,
- references: [{ kind: 0 /* Span */, fileName: fileName, textSpan: textSpan }]
- });
- };
- /** Returns `true` the first time we search for a symbol in a file and `false` afterwards. */
- State.prototype.markSearchedSymbols = function (sourceFile, symbols) {
- var sourceId = ts.getNodeId(sourceFile);
- var seenSymbols = this.sourceFileToSeenSymbols[sourceId] || (this.sourceFileToSeenSymbols[sourceId] = ts.createMap());
- var anyNewSymbols = false;
- for (var _i = 0, symbols_3 = symbols; _i < symbols_3.length; _i++) {
- var sym = symbols_3[_i];
- anyNewSymbols = ts.addToSeen(seenSymbols, ts.getSymbolId(sym)) || anyNewSymbols;
- }
- return anyNewSymbols;
- };
- return State;
- }());
- /** Search for all imports of a given exported symbol using `State.getImportSearches`. */
- function searchForImportsOfExport(exportLocation, exportSymbol, exportInfo, state) {
- var _a = state.getImportSearches(exportSymbol, exportInfo), importSearches = _a.importSearches, singleReferences = _a.singleReferences, indirectUsers = _a.indirectUsers;
- // For `import { foo as bar }` just add the reference to `foo`, and don't otherwise search in the file.
- if (singleReferences.length) {
- var addRef = state.referenceAdder(exportSymbol);
- for (var _i = 0, singleReferences_1 = singleReferences; _i < singleReferences_1.length; _i++) {
- var singleRef = singleReferences_1[_i];
- if (shouldAddSingleReference(singleRef, state))
- addRef(singleRef);
- }
- }
- // For each import, find all references to that import in its source file.
- for (var _b = 0, importSearches_1 = importSearches; _b < importSearches_1.length; _b++) {
- var _c = importSearches_1[_b], importLocation = _c[0], importSymbol = _c[1];
- getReferencesInSourceFile(importLocation.getSourceFile(), state.createSearch(importLocation, importSymbol, 1 /* Export */), state);
- }
- if (indirectUsers.length) {
- var indirectSearch = void 0;
- switch (exportInfo.exportKind) {
- case 0 /* Named */:
- indirectSearch = state.createSearch(exportLocation, exportSymbol, 1 /* Export */);
- break;
- case 1 /* Default */:
- // Search for a property access to '.default'. This can't be renamed.
- indirectSearch = state.options.use === 2 /* Rename */ ? undefined : state.createSearch(exportLocation, exportSymbol, 1 /* Export */, { text: "default" });
- break;
- case 2 /* ExportEquals */:
- break;
- }
- if (indirectSearch) {
- for (var _d = 0, indirectUsers_1 = indirectUsers; _d < indirectUsers_1.length; _d++) {
- var indirectUser = indirectUsers_1[_d];
- searchForName(indirectUser, indirectSearch, state);
- }
- }
- }
- }
- function eachExportReference(sourceFiles, checker, cancellationToken, exportSymbol, exportingModuleSymbol, exportName, isDefaultExport, cb) {
- var importTracker = FindAllReferences.createImportTracker(sourceFiles, ts.arrayToSet(sourceFiles, function (f) { return f.fileName; }), checker, cancellationToken);
- var _a = importTracker(exportSymbol, { exportKind: isDefaultExport ? 1 /* Default */ : 0 /* Named */, exportingModuleSymbol: exportingModuleSymbol }, /*isForRename*/ false), importSearches = _a.importSearches, indirectUsers = _a.indirectUsers;
- for (var _i = 0, importSearches_2 = importSearches; _i < importSearches_2.length; _i++) {
- var importLocation = importSearches_2[_i][0];
- cb(importLocation);
- }
- for (var _b = 0, indirectUsers_2 = indirectUsers; _b < indirectUsers_2.length; _b++) {
- var indirectUser = indirectUsers_2[_b];
- for (var _c = 0, _d = getPossibleSymbolReferenceNodes(indirectUser, isDefaultExport ? "default" : exportName); _c < _d.length; _c++) {
- var node = _d[_c];
- // Import specifiers should be handled by importSearches
- if (ts.isIdentifier(node) && !ts.isImportOrExportSpecifier(node.parent) && checker.getSymbolAtLocation(node) === exportSymbol) {
- cb(node);
- }
- }
- }
- }
- Core.eachExportReference = eachExportReference;
- function shouldAddSingleReference(singleRef, state) {
- if (!hasMatchingMeaning(singleRef, state))
- return false;
- if (state.options.use !== 2 /* Rename */)
- return true;
- // Don't rename an import type `import("./module-name")` when renaming `name` in `export = name;`
- if (!ts.isIdentifier(singleRef))
- return false;
- // At `default` in `import { default as x }` or `export { default as x }`, do add a reference, but do not rename.
- return !(ts.isImportOrExportSpecifier(singleRef.parent) && singleRef.escapedText === "default" /* Default */);
- }
- // Go to the symbol we imported from and find references for it.
- function searchForImportedSymbol(symbol, state) {
- if (!symbol.declarations)
- return;
- for (var _i = 0, _a = symbol.declarations; _i < _a.length; _i++) {
- var declaration = _a[_i];
- var exportingFile = declaration.getSourceFile();
- // Need to search in the file even if it's not in the search-file set, because it might export the symbol.
- getReferencesInSourceFile(exportingFile, state.createSearch(declaration, symbol, 0 /* Import */), state, state.includesSourceFile(exportingFile));
- }
- }
- /** Search for all occurences of an identifier in a source file (and filter out the ones that match). */
- function searchForName(sourceFile, search, state) {
- if (ts.getNameTable(sourceFile).get(search.escapedText) !== undefined) {
- getReferencesInSourceFile(sourceFile, search, state);
- }
- }
- function getPropertySymbolOfDestructuringAssignment(location, checker) {
- return ts.isArrayLiteralOrObjectLiteralDestructuringPattern(location.parent.parent)
- ? checker.getPropertySymbolOfDestructuringAssignment(location)
- : undefined;
- }
- /**
- * Determines the smallest scope in which a symbol may have named references.
- * Note that not every construct has been accounted for. This function can
- * probably be improved.
- *
- * @returns undefined if the scope cannot be determined, implying that
- * a reference to a symbol can occur anywhere.
- */
- function getSymbolScope(symbol) {
- // If this is the symbol of a named function expression or named class expression,
- // then named references are limited to its own scope.
- var declarations = symbol.declarations, flags = symbol.flags, parent = symbol.parent, valueDeclaration = symbol.valueDeclaration;
- if (valueDeclaration && (valueDeclaration.kind === 201 /* FunctionExpression */ || valueDeclaration.kind === 214 /* ClassExpression */)) {
- return valueDeclaration;
- }
- if (!declarations) {
- return undefined;
- }
- // If this is private property or method, the scope is the containing class
- if (flags & (4 /* Property */ | 8192 /* Method */)) {
- var privateDeclaration = ts.find(declarations, function (d) { return ts.hasModifier(d, 8 /* Private */) || ts.isPrivateIdentifierPropertyDeclaration(d); });
- if (privateDeclaration) {
- return ts.getAncestor(privateDeclaration, 245 /* ClassDeclaration */);
- }
- // Else this is a public property and could be accessed from anywhere.
- return undefined;
- }
- // If symbol is of object binding pattern element without property name we would want to
- // look for property too and that could be anywhere
- if (declarations.some(ts.isObjectBindingElementWithoutPropertyName)) {
- return undefined;
- }
- /*
- If the symbol has a parent, it's globally visible unless:
- - It's a private property (handled above).
- - It's a type parameter.
- - The parent is an external module: then we should only search in the module (and recurse on the export later).
- - But if the parent has `export as namespace`, the symbol is globally visible through that namespace.
- */
- var exposedByParent = parent && !(symbol.flags & 262144 /* TypeParameter */);
- if (exposedByParent && !(ts.isExternalModuleSymbol(parent) && !parent.globalExports)) {
- return undefined;
- }
- var scope;
- for (var _i = 0, declarations_1 = declarations; _i < declarations_1.length; _i++) {
- var declaration = declarations_1[_i];
- var container = ts.getContainerNode(declaration);
- if (scope && scope !== container) {
- // Different declarations have different containers, bail out
- return undefined;
- }
- if (!container || container.kind === 290 /* SourceFile */ && !ts.isExternalOrCommonJsModule(container)) {
- // This is a global variable and not an external module, any declaration defined
- // within this scope is visible outside the file
- return undefined;
- }
- // The search scope is the container node
- scope = container;
- }
- // If symbol.parent, this means we are in an export of an external module. (Otherwise we would have returned `undefined` above.)
- // For an export of a module, we may be in a declaration file, and it may be accessed elsewhere. E.g.:
- // declare module "a" { export type T = number; }
- // declare module "b" { import { T } from "a"; export const x: T; }
- // So we must search the whole source file. (Because we will mark the source file as seen, we we won't return to it when searching for imports.)
- return exposedByParent ? scope.getSourceFile() : scope; // TODO: GH#18217
- }
- /** Used as a quick check for whether a symbol is used at all in a file (besides its definition). */
- function isSymbolReferencedInFile(definition, checker, sourceFile, searchContainer) {
- if (searchContainer === void 0) { searchContainer = sourceFile; }
- return eachSymbolReferenceInFile(definition, checker, sourceFile, function () { return true; }, searchContainer) || false;
- }
- Core.isSymbolReferencedInFile = isSymbolReferencedInFile;
- function eachSymbolReferenceInFile(definition, checker, sourceFile, cb, searchContainer) {
- if (searchContainer === void 0) { searchContainer = sourceFile; }
- var symbol = ts.isParameterPropertyDeclaration(definition.parent, definition.parent.parent)
- ? ts.first(checker.getSymbolsOfParameterPropertyDeclaration(definition.parent, definition.text))
- : checker.getSymbolAtLocation(definition);
- if (!symbol)
- return undefined;
- for (var _i = 0, _a = getPossibleSymbolReferenceNodes(sourceFile, symbol.name, searchContainer); _i < _a.length; _i++) {
- var token = _a[_i];
- if (!ts.isIdentifier(token) || token === definition || token.escapedText !== definition.escapedText)
- continue;
- var referenceSymbol = checker.getSymbolAtLocation(token); // See GH#19955 for why the type annotation is necessary
- if (referenceSymbol === symbol
- || checker.getShorthandAssignmentValueSymbol(token.parent) === symbol
- || ts.isExportSpecifier(token.parent) && getLocalSymbolForExportSpecifier(token, referenceSymbol, token.parent, checker) === symbol) {
- var res = cb(token);
- if (res)
- return res;
- }
- }
- }
- Core.eachSymbolReferenceInFile = eachSymbolReferenceInFile;
- function eachSignatureCall(signature, sourceFiles, checker, cb) {
- if (!signature.name || !ts.isIdentifier(signature.name))
- return;
- var symbol = ts.Debug.checkDefined(checker.getSymbolAtLocation(signature.name));
- for (var _i = 0, sourceFiles_3 = sourceFiles; _i < sourceFiles_3.length; _i++) {
- var sourceFile = sourceFiles_3[_i];
- for (var _a = 0, _b = getPossibleSymbolReferenceNodes(sourceFile, symbol.name); _a < _b.length; _a++) {
- var name = _b[_a];
- if (!ts.isIdentifier(name) || name === signature.name || name.escapedText !== signature.name.escapedText)
- continue;
- var called = ts.climbPastPropertyAccess(name);
- var call = called.parent;
- if (!ts.isCallExpression(call) || call.expression !== called)
- continue;
- var referenceSymbol = checker.getSymbolAtLocation(name);
- if (referenceSymbol && checker.getRootSymbols(referenceSymbol).some(function (s) { return s === symbol; })) {
- cb(call);
- }
- }
- }
- }
- Core.eachSignatureCall = eachSignatureCall;
- function getPossibleSymbolReferenceNodes(sourceFile, symbolName, container) {
- if (container === void 0) { container = sourceFile; }
- return getPossibleSymbolReferencePositions(sourceFile, symbolName, container).map(function (pos) { return ts.getTouchingPropertyName(sourceFile, pos); });
- }
- function getPossibleSymbolReferencePositions(sourceFile, symbolName, container) {
- if (container === void 0) { container = sourceFile; }
- var positions = [];
- /// TODO: Cache symbol existence for files to save text search
- // Also, need to make this work for unicode escapes.
- // Be resilient in the face of a symbol with no name or zero length name
- if (!symbolName || !symbolName.length) {
- return positions;
- }
- var text = sourceFile.text;
- var sourceLength = text.length;
- var symbolNameLength = symbolName.length;
- var position = text.indexOf(symbolName, container.pos);
- while (position >= 0) {
- // If we are past the end, stop looking
- if (position > container.end)
- break;
- // We found a match. Make sure it's not part of a larger word (i.e. the char
- // before and after it have to be a non-identifier char).
- var endPosition = position + symbolNameLength;
- if ((position === 0 || !ts.isIdentifierPart(text.charCodeAt(position - 1), 99 /* Latest */)) &&
- (endPosition === sourceLength || !ts.isIdentifierPart(text.charCodeAt(endPosition), 99 /* Latest */))) {
- // Found a real match. Keep searching.
- positions.push(position);
- }
- position = text.indexOf(symbolName, position + symbolNameLength + 1);
- }
- return positions;
- }
- function getLabelReferencesInNode(container, targetLabel) {
- var sourceFile = container.getSourceFile();
- var labelName = targetLabel.text;
- var references = ts.mapDefined(getPossibleSymbolReferenceNodes(sourceFile, labelName, container), function (node) {
- // Only pick labels that are either the target label, or have a target that is the target label
- return node === targetLabel || (ts.isJumpStatementTarget(node) && ts.getTargetLabel(node, labelName) === targetLabel) ? nodeEntry(node) : undefined;
- });
- return [{ definition: { type: 1 /* Label */, node: targetLabel }, references: references }];
- }
- function isValidReferencePosition(node, searchSymbolName) {
- // Compare the length so we filter out strict superstrings of the symbol we are looking for
- switch (node.kind) {
- case 76 /* PrivateIdentifier */:
- case 75 /* Identifier */:
- return node.text.length === searchSymbolName.length;
- case 14 /* NoSubstitutionTemplateLiteral */:
- case 10 /* StringLiteral */: {
- var str = node;
- return (ts.isLiteralNameOfPropertyDeclarationOrIndexAccess(str) || ts.isNameOfModuleDeclaration(node) || ts.isExpressionOfExternalModuleImportEqualsDeclaration(node) || (ts.isCallExpression(node.parent) && ts.isBindableObjectDefinePropertyCall(node.parent) && node.parent.arguments[1] === node)) &&
- str.text.length === searchSymbolName.length;
- }
- case 8 /* NumericLiteral */:
- return ts.isLiteralNameOfPropertyDeclarationOrIndexAccess(node) && node.text.length === searchSymbolName.length;
- case 84 /* DefaultKeyword */:
- return "default".length === searchSymbolName.length;
- default:
- return false;
- }
- }
- function getAllReferencesForKeyword(sourceFiles, keywordKind, cancellationToken, filter) {
- var references = ts.flatMap(sourceFiles, function (sourceFile) {
- cancellationToken.throwIfCancellationRequested();
- return ts.mapDefined(getPossibleSymbolReferenceNodes(sourceFile, ts.tokenToString(keywordKind), sourceFile), function (referenceLocation) {
- if (referenceLocation.kind === keywordKind && (!filter || filter(referenceLocation))) {
- return nodeEntry(referenceLocation);
- }
- });
- });
- return references.length ? [{ definition: { type: 2 /* Keyword */, node: references[0].node }, references: references }] : undefined;
- }
- function getReferencesInSourceFile(sourceFile, search, state, addReferencesHere) {
- if (addReferencesHere === void 0) { addReferencesHere = true; }
- state.cancellationToken.throwIfCancellationRequested();
- return getReferencesInContainer(sourceFile, sourceFile, search, state, addReferencesHere);
- }
- /**
- * Search within node "container" for references for a search value, where the search value is defined as a
- * tuple of(searchSymbol, searchText, searchLocation, and searchMeaning).
- * searchLocation: a node where the search value
- */
- function getReferencesInContainer(container, sourceFile, search, state, addReferencesHere) {
- if (!state.markSearchedSymbols(sourceFile, search.allSearchSymbols)) {
- return;
- }
- for (var _i = 0, _a = getPossibleSymbolReferencePositions(sourceFile, search.text, container); _i < _a.length; _i++) {
- var position = _a[_i];
- getReferencesAtLocation(sourceFile, position, search, state, addReferencesHere);
- }
- }
- function hasMatchingMeaning(referenceLocation, state) {
- return !!(ts.getMeaningFromLocation(referenceLocation) & state.searchMeaning);
- }
- function getReferencesAtLocation(sourceFile, position, search, state, addReferencesHere) {
- var referenceLocation = ts.getTouchingPropertyName(sourceFile, position);
- if (!isValidReferencePosition(referenceLocation, search.text)) {
- // This wasn't the start of a token. Check to see if it might be a
- // match in a comment or string if that's what the caller is asking
- // for.
- if (!state.options.implementations && (state.options.findInStrings && ts.isInString(sourceFile, position) || state.options.findInComments && ts.isInNonReferenceComment(sourceFile, position))) {
- // In the case where we're looking inside comments/strings, we don't have
- // an actual definition. So just use 'undefined' here. Features like
- // 'Rename' won't care (as they ignore the definitions), and features like
- // 'FindReferences' will just filter out these results.
- state.addStringOrCommentReference(sourceFile.fileName, ts.createTextSpan(position, search.text.length));
- }
- return;
- }
- if (!hasMatchingMeaning(referenceLocation, state))
- return;
- var referenceSymbol = state.checker.getSymbolAtLocation(referenceLocation);
- if (!referenceSymbol) {
- return;
- }
- var parent = referenceLocation.parent;
- if (ts.isImportSpecifier(parent) && parent.propertyName === referenceLocation) {
- // This is added through `singleReferences` in ImportsResult. If we happen to see it again, don't add it again.
- return;
- }
- if (ts.isExportSpecifier(parent)) {
- ts.Debug.assert(referenceLocation.kind === 75 /* Identifier */);
- getReferencesAtExportSpecifier(referenceLocation, referenceSymbol, parent, search, state, addReferencesHere);
- return;
- }
- var relatedSymbol = getRelatedSymbol(search, referenceSymbol, referenceLocation, state);
- if (!relatedSymbol) {
- getReferenceForShorthandProperty(referenceSymbol, search, state);
- return;
- }
- switch (state.specialSearchKind) {
- case 0 /* None */:
- if (addReferencesHere)
- addReference(referenceLocation, relatedSymbol, state);
- break;
- case 1 /* Constructor */:
- addConstructorReferences(referenceLocation, sourceFile, search, state);
- break;
- case 2 /* Class */:
- addClassStaticThisReferences(referenceLocation, search, state);
- break;
- default:
- ts.Debug.assertNever(state.specialSearchKind);
- }
- getImportOrExportReferences(referenceLocation, referenceSymbol, search, state);
- }
- function getReferencesAtExportSpecifier(referenceLocation, referenceSymbol, exportSpecifier, search, state, addReferencesHere, alwaysGetReferences) {
- ts.Debug.assert(!alwaysGetReferences || !!state.options.providePrefixAndSuffixTextForRename, "If alwaysGetReferences is true, then prefix/suffix text must be enabled");
- var parent = exportSpecifier.parent, propertyName = exportSpecifier.propertyName, name = exportSpecifier.name;
- var exportDeclaration = parent.parent;
- var localSymbol = getLocalSymbolForExportSpecifier(referenceLocation, referenceSymbol, exportSpecifier, state.checker);
- if (!alwaysGetReferences && !search.includes(localSymbol)) {
- return;
- }
- if (!propertyName) {
- // Don't rename at `export { default } from "m";`. (but do continue to search for imports of the re-export)
- if (!(state.options.use === 2 /* Rename */ && (name.escapedText === "default" /* Default */))) {
- addRef();
- }
- }
- else if (referenceLocation === propertyName) {
- // For `export { foo as bar } from "baz"`, "`foo`" will be added from the singleReferences for import searches of the original export.
- // For `export { foo as bar };`, where `foo` is a local, so add it now.
- if (!exportDeclaration.moduleSpecifier) {
- addRef();
- }
- if (addReferencesHere && state.options.use !== 2 /* Rename */ && state.markSeenReExportRHS(name)) {
- addReference(name, ts.Debug.checkDefined(exportSpecifier.symbol), state);
- }
- }
- else {
- if (state.markSeenReExportRHS(referenceLocation)) {
- addRef();
- }
- }
- // For `export { foo as bar }`, rename `foo`, but not `bar`.
- if (!isForRenameWithPrefixAndSuffixText(state.options) || alwaysGetReferences) {
- var isDefaultExport = referenceLocation.originalKeywordKind === 84 /* DefaultKeyword */
- || exportSpecifier.name.originalKeywordKind === 84 /* DefaultKeyword */;
- var exportKind = isDefaultExport ? 1 /* Default */ : 0 /* Named */;
- var exportSymbol = ts.Debug.checkDefined(exportSpecifier.symbol);
- var exportInfo = FindAllReferences.getExportInfo(exportSymbol, exportKind, state.checker);
- if (exportInfo) {
- searchForImportsOfExport(referenceLocation, exportSymbol, exportInfo, state);
- }
- }
- // At `export { x } from "foo"`, also search for the imported symbol `"foo".x`.
- if (search.comingFrom !== 1 /* Export */ && exportDeclaration.moduleSpecifier && !propertyName && !isForRenameWithPrefixAndSuffixText(state.options)) {
- var imported = state.checker.getExportSpecifierLocalTargetSymbol(exportSpecifier);
- if (imported)
- searchForImportedSymbol(imported, state);
- }
- function addRef() {
- if (addReferencesHere)
- addReference(referenceLocation, localSymbol, state);
- }
- }
- function getLocalSymbolForExportSpecifier(referenceLocation, referenceSymbol, exportSpecifier, checker) {
- return isExportSpecifierAlias(referenceLocation, exportSpecifier) && checker.getExportSpecifierLocalTargetSymbol(exportSpecifier) || referenceSymbol;
- }
- function isExportSpecifierAlias(referenceLocation, exportSpecifier) {
- var parent = exportSpecifier.parent, propertyName = exportSpecifier.propertyName, name = exportSpecifier.name;
- ts.Debug.assert(propertyName === referenceLocation || name === referenceLocation);
- if (propertyName) {
- // Given `export { foo as bar } [from "someModule"]`: It's an alias at `foo`, but at `bar` it's a new symbol.
- return propertyName === referenceLocation;
- }
- else {
- // `export { foo } from "foo"` is a re-export.
- // `export { foo };` is not a re-export, it creates an alias for the local variable `foo`.
- return !parent.parent.moduleSpecifier;
- }
- }
- function getImportOrExportReferences(referenceLocation, referenceSymbol, search, state) {
- var importOrExport = FindAllReferences.getImportOrExportSymbol(referenceLocation, referenceSymbol, state.checker, search.comingFrom === 1 /* Export */);
- if (!importOrExport)
- return;
- var symbol = importOrExport.symbol;
- if (importOrExport.kind === 0 /* Import */) {
- if (!(isForRenameWithPrefixAndSuffixText(state.options))) {
- searchForImportedSymbol(symbol, state);
- }
- }
- else {
- searchForImportsOfExport(referenceLocation, symbol, importOrExport.exportInfo, state);
- }
- }
- function getReferenceForShorthandProperty(_a, search, state) {
- var flags = _a.flags, valueDeclaration = _a.valueDeclaration;
- var shorthandValueSymbol = state.checker.getShorthandAssignmentValueSymbol(valueDeclaration);
- var name = valueDeclaration && ts.getNameOfDeclaration(valueDeclaration);
- /*
- * Because in short-hand property assignment, an identifier which stored as name of the short-hand property assignment
- * has two meanings: property name and property value. Therefore when we do findAllReference at the position where
- * an identifier is declared, the language service should return the position of the variable declaration as well as
- * the position in short-hand property assignment excluding property accessing. However, if we do findAllReference at the
- * position of property accessing, the referenceEntry of such position will be handled in the first case.
- */
- if (!(flags & 33554432 /* Transient */) && name && search.includes(shorthandValueSymbol)) {
- addReference(name, shorthandValueSymbol, state);
- }
- }
- function addReference(referenceLocation, relatedSymbol, state) {
- var _a = "kind" in relatedSymbol ? relatedSymbol : { kind: undefined, symbol: relatedSymbol }, kind = _a.kind, symbol = _a.symbol; // eslint-disable-line no-in-operator
- var addRef = state.referenceAdder(symbol);
- if (state.options.implementations) {
- addImplementationReferences(referenceLocation, addRef, state);
- }
- else {
- addRef(referenceLocation, kind);
- }
- }
- /** Adds references when a constructor is used with `new this()` in its own class and `super()` calls in subclasses. */
- function addConstructorReferences(referenceLocation, sourceFile, search, state) {
- if (ts.isNewExpressionTarget(referenceLocation)) {
- addReference(referenceLocation, search.symbol, state);
- }
- var pusher = function () { return state.referenceAdder(search.symbol); };
- if (ts.isClassLike(referenceLocation.parent)) {
- ts.Debug.assert(referenceLocation.kind === 84 /* DefaultKeyword */ || referenceLocation.parent.name === referenceLocation);
- // This is the class declaration containing the constructor.
- findOwnConstructorReferences(search.symbol, sourceFile, pusher());
- }
- else {
- // If this class appears in `extends C`, then the extending class' "super" calls are references.
- var classExtending = tryGetClassByExtendingIdentifier(referenceLocation);
- if (classExtending) {
- findSuperConstructorAccesses(classExtending, pusher());
- findInheritedConstructorReferences(classExtending, state);
- }
- }
- }
- function addClassStaticThisReferences(referenceLocation, search, state) {
- addReference(referenceLocation, search.symbol, state);
- var classLike = referenceLocation.parent;
- if (state.options.use === 2 /* Rename */ || !ts.isClassLike(classLike))
- return;
- ts.Debug.assert(classLike.name === referenceLocation);
- var addRef = state.referenceAdder(search.symbol);
- for (var _i = 0, _a = classLike.members; _i < _a.length; _i++) {
- var member = _a[_i];
- if (!(ts.isMethodOrAccessor(member) && ts.hasModifier(member, 32 /* Static */))) {
- continue;
- }
- if (member.body) {
- member.body.forEachChild(function cb(node) {
- if (node.kind === 104 /* ThisKeyword */) {
- addRef(node);
- }
- else if (!ts.isFunctionLike(node) && !ts.isClassLike(node)) {
- node.forEachChild(cb);
- }
- });
- }
- }
- }
- /**
- * `classSymbol` is the class where the constructor was defined.
- * Reference the constructor and all calls to `new this()`.
- */
- function findOwnConstructorReferences(classSymbol, sourceFile, addNode) {
- var constructorSymbol = getClassConstructorSymbol(classSymbol);
- if (constructorSymbol && constructorSymbol.declarations) {
- for (var _i = 0, _a = constructorSymbol.declarations; _i < _a.length; _i++) {
- var decl = _a[_i];
- var ctrKeyword = ts.findChildOfKind(decl, 129 /* ConstructorKeyword */, sourceFile);
- ts.Debug.assert(decl.kind === 162 /* Constructor */ && !!ctrKeyword);
- addNode(ctrKeyword);
- }
- }
- if (classSymbol.exports) {
- classSymbol.exports.forEach(function (member) {
- var decl = member.valueDeclaration;
- if (decl && decl.kind === 161 /* MethodDeclaration */) {
- var body = decl.body;
- if (body) {
- forEachDescendantOfKind(body, 104 /* ThisKeyword */, function (thisKeyword) {
- if (ts.isNewExpressionTarget(thisKeyword)) {
- addNode(thisKeyword);
- }
- });
- }
- }
- });
- }
- }
- function getClassConstructorSymbol(classSymbol) {
- return classSymbol.members && classSymbol.members.get("__constructor" /* Constructor */);
- }
- /** Find references to `super` in the constructor of an extending class. */
- function findSuperConstructorAccesses(classDeclaration, addNode) {
- var constructor = getClassConstructorSymbol(classDeclaration.symbol);
- if (!(constructor && constructor.declarations)) {
- return;
- }
- for (var _i = 0, _a = constructor.declarations; _i < _a.length; _i++) {
- var decl = _a[_i];
- ts.Debug.assert(decl.kind === 162 /* Constructor */);
- var body = decl.body;
- if (body) {
- forEachDescendantOfKind(body, 102 /* SuperKeyword */, function (node) {
- if (ts.isCallExpressionTarget(node)) {
- addNode(node);
- }
- });
- }
- }
- }
- function hasOwnConstructor(classDeclaration) {
- return !!getClassConstructorSymbol(classDeclaration.symbol);
- }
- function findInheritedConstructorReferences(classDeclaration, state) {
- if (hasOwnConstructor(classDeclaration))
- return;
- var classSymbol = classDeclaration.symbol;
- var search = state.createSearch(/*location*/ undefined, classSymbol, /*comingFrom*/ undefined);
- getReferencesInContainerOrFiles(classSymbol, state, search);
- }
- function addImplementationReferences(refNode, addReference, state) {
- // Check if we found a function/propertyAssignment/method with an implementation or initializer
- if (ts.isDeclarationName(refNode) && isImplementation(refNode.parent)) {
- addReference(refNode);
- return;
- }
- if (refNode.kind !== 75 /* Identifier */) {
- return;
- }
- if (refNode.parent.kind === 282 /* ShorthandPropertyAssignment */) {
- // Go ahead and dereference the shorthand assignment by going to its definition
- getReferenceEntriesForShorthandPropertyAssignment(refNode, state.checker, addReference);
- }
- // Check if the node is within an extends or implements clause
- var containingClass = getContainingClassIfInHeritageClause(refNode);
- if (containingClass) {
- addReference(containingClass);
- return;
- }
- // If we got a type reference, try and see if the reference applies to any expressions that can implement an interface
- // Find the first node whose parent isn't a type node -- i.e., the highest type node.
- var typeNode = ts.findAncestor(refNode, function (a) { return !ts.isQualifiedName(a.parent) && !ts.isTypeNode(a.parent) && !ts.isTypeElement(a.parent); });
- var typeHavingNode = typeNode.parent;
- if (ts.hasType(typeHavingNode) && typeHavingNode.type === typeNode && state.markSeenContainingTypeReference(typeHavingNode)) {
- if (ts.hasInitializer(typeHavingNode)) {
- addIfImplementation(typeHavingNode.initializer);
- }
- else if (ts.isFunctionLike(typeHavingNode) && typeHavingNode.body) {
- var body = typeHavingNode.body;
- if (body.kind === 223 /* Block */) {
- ts.forEachReturnStatement(body, function (returnStatement) {
- if (returnStatement.expression)
- addIfImplementation(returnStatement.expression);
- });
- }
- else {
- addIfImplementation(body);
- }
- }
- else if (ts.isAssertionExpression(typeHavingNode)) {
- addIfImplementation(typeHavingNode.expression);
- }
- }
- function addIfImplementation(e) {
- if (isImplementationExpression(e))
- addReference(e);
- }
- }
- function getContainingClassIfInHeritageClause(node) {
- return ts.isIdentifier(node) || ts.isPropertyAccessExpression(node) ? getContainingClassIfInHeritageClause(node.parent)
- : ts.isExpressionWithTypeArguments(node) ? ts.tryCast(node.parent.parent, ts.isClassLike) : undefined;
- }
- /**
- * Returns true if this is an expression that can be considered an implementation
- */
- function isImplementationExpression(node) {
- switch (node.kind) {
- case 200 /* ParenthesizedExpression */:
- return isImplementationExpression(node.expression);
- case 202 /* ArrowFunction */:
- case 201 /* FunctionExpression */:
- case 193 /* ObjectLiteralExpression */:
- case 214 /* ClassExpression */:
- case 192 /* ArrayLiteralExpression */:
- return true;
- default:
- return false;
- }
- }
- /**
- * Determines if the parent symbol occurs somewhere in the child's ancestry. If the parent symbol
- * is an interface, determines if some ancestor of the child symbol extends or inherits from it.
- * Also takes in a cache of previous results which makes this slightly more efficient and is
- * necessary to avoid potential loops like so:
- * class A extends B { }
- * class B extends A { }
- *
- * We traverse the AST rather than using the type checker because users are typically only interested
- * in explicit implementations of an interface/class when calling "Go to Implementation". Sibling
- * implementations of types that share a common ancestor with the type whose implementation we are
- * searching for need to be filtered out of the results. The type checker doesn't let us make the
- * distinction between structurally compatible implementations and explicit implementations, so we
- * must use the AST.
- *
- * @param symbol A class or interface Symbol
- * @param parent Another class or interface Symbol
- * @param cachedResults A map of symbol id pairs (i.e. "child,parent") to booleans indicating previous results
- */
- function explicitlyInheritsFrom(symbol, parent, cachedResults, checker) {
- if (symbol === parent) {
- return true;
- }
- var key = ts.getSymbolId(symbol) + "," + ts.getSymbolId(parent);
- var cached = cachedResults.get(key);
- if (cached !== undefined) {
- return cached;
- }
- // Set the key so that we don't infinitely recurse
- cachedResults.set(key, false);
- var inherits = !!symbol.declarations && symbol.declarations.some(function (declaration) {
- return ts.getAllSuperTypeNodes(declaration).some(function (typeReference) {
- var type = checker.getTypeAtLocation(typeReference);
- return !!type && !!type.symbol && explicitlyInheritsFrom(type.symbol, parent, cachedResults, checker);
- });
- });
- cachedResults.set(key, inherits);
- return inherits;
- }
- function getReferencesForSuperKeyword(superKeyword) {
- var searchSpaceNode = ts.getSuperContainer(superKeyword, /*stopOnFunctions*/ false);
- if (!searchSpaceNode) {
- return undefined;
- }
- // Whether 'super' occurs in a static context within a class.
- var staticFlag = 32 /* Static */;
- switch (searchSpaceNode.kind) {
- case 159 /* PropertyDeclaration */:
- case 158 /* PropertySignature */:
- case 161 /* MethodDeclaration */:
- case 160 /* MethodSignature */:
- case 162 /* Constructor */:
- case 163 /* GetAccessor */:
- case 164 /* SetAccessor */:
- staticFlag &= ts.getModifierFlags(searchSpaceNode);
- searchSpaceNode = searchSpaceNode.parent; // re-assign to be the owning class
- break;
- default:
- return undefined;
- }
- var sourceFile = searchSpaceNode.getSourceFile();
- var references = ts.mapDefined(getPossibleSymbolReferenceNodes(sourceFile, "super", searchSpaceNode), function (node) {
- if (node.kind !== 102 /* SuperKeyword */) {
- return;
- }
- var container = ts.getSuperContainer(node, /*stopOnFunctions*/ false);
- // If we have a 'super' container, we must have an enclosing class.
- // Now make sure the owning class is the same as the search-space
- // and has the same static qualifier as the original 'super's owner.
- return container && (32 /* Static */ & ts.getModifierFlags(container)) === staticFlag && container.parent.symbol === searchSpaceNode.symbol ? nodeEntry(node) : undefined;
- });
- return [{ definition: { type: 0 /* Symbol */, symbol: searchSpaceNode.symbol }, references: references }];
- }
- function isParameterName(node) {
- return node.kind === 75 /* Identifier */ && node.parent.kind === 156 /* Parameter */ && node.parent.name === node;
- }
- function getReferencesForThisKeyword(thisOrSuperKeyword, sourceFiles, cancellationToken) {
- var searchSpaceNode = ts.getThisContainer(thisOrSuperKeyword, /* includeArrowFunctions */ false);
- // Whether 'this' occurs in a static context within a class.
- var staticFlag = 32 /* Static */;
- switch (searchSpaceNode.kind) {
- case 161 /* MethodDeclaration */:
- case 160 /* MethodSignature */:
- if (ts.isObjectLiteralMethod(searchSpaceNode)) {
- break;
- }
- // falls through
- case 159 /* PropertyDeclaration */:
- case 158 /* PropertySignature */:
- case 162 /* Constructor */:
- case 163 /* GetAccessor */:
- case 164 /* SetAccessor */:
- staticFlag &= ts.getModifierFlags(searchSpaceNode);
- searchSpaceNode = searchSpaceNode.parent; // re-assign to be the owning class
- break;
- case 290 /* SourceFile */:
- if (ts.isExternalModule(searchSpaceNode) || isParameterName(thisOrSuperKeyword)) {
- return undefined;
- }
- // falls through
- case 244 /* FunctionDeclaration */:
- case 201 /* FunctionExpression */:
- break;
- // Computed properties in classes are not handled here because references to this are illegal,
- // so there is no point finding references to them.
- default:
- return undefined;
- }
- var references = ts.flatMap(searchSpaceNode.kind === 290 /* SourceFile */ ? sourceFiles : [searchSpaceNode.getSourceFile()], function (sourceFile) {
- cancellationToken.throwIfCancellationRequested();
- return getPossibleSymbolReferenceNodes(sourceFile, "this", ts.isSourceFile(searchSpaceNode) ? sourceFile : searchSpaceNode).filter(function (node) {
- if (!ts.isThis(node)) {
- return false;
- }
- var container = ts.getThisContainer(node, /* includeArrowFunctions */ false);
- switch (searchSpaceNode.kind) {
- case 201 /* FunctionExpression */:
- case 244 /* FunctionDeclaration */:
- return searchSpaceNode.symbol === container.symbol;
- case 161 /* MethodDeclaration */:
- case 160 /* MethodSignature */:
- return ts.isObjectLiteralMethod(searchSpaceNode) && searchSpaceNode.symbol === container.symbol;
- case 214 /* ClassExpression */:
- case 245 /* ClassDeclaration */:
- // Make sure the container belongs to the same class
- // and has the appropriate static modifier from the original container.
- return container.parent && searchSpaceNode.symbol === container.parent.symbol && (ts.getModifierFlags(container) & 32 /* Static */) === staticFlag;
- case 290 /* SourceFile */:
- return container.kind === 290 /* SourceFile */ && !ts.isExternalModule(container) && !isParameterName(node);
- }
- });
- }).map(function (n) { return nodeEntry(n); });
- var thisParameter = ts.firstDefined(references, function (r) { return ts.isParameter(r.node.parent) ? r.node : undefined; });
- return [{
- definition: { type: 3 /* This */, node: thisParameter || thisOrSuperKeyword },
- references: references
- }];
- }
- function getReferencesForStringLiteral(node, sourceFiles, cancellationToken) {
- var references = ts.flatMap(sourceFiles, function (sourceFile) {
- cancellationToken.throwIfCancellationRequested();
- return ts.mapDefined(getPossibleSymbolReferenceNodes(sourceFile, node.text), function (ref) {
- return ts.isStringLiteral(ref) && ref.text === node.text ? nodeEntry(ref, 2 /* StringLiteral */) : undefined;
- });
- });
- return [{
- definition: { type: 4 /* String */, node: node },
- references: references
- }];
- }
- // For certain symbol kinds, we need to include other symbols in the search set.
- // This is not needed when searching for re-exports.
- function populateSearchSymbolSet(symbol, location, checker, isForRename, providePrefixAndSuffixText, implementations) {
- var result = [];
- forEachRelatedSymbol(symbol, location, checker, isForRename, !(isForRename && providePrefixAndSuffixText), function (sym, root, base) { result.push(base || root || sym); },
- /*allowBaseTypes*/ function () { return !implementations; });
- return result;
- }
- function forEachRelatedSymbol(symbol, location, checker, isForRenamePopulateSearchSymbolSet, onlyIncludeBindingElementAtReferenceLocation, cbSymbol, allowBaseTypes) {
- var containingObjectLiteralElement = ts.getContainingObjectLiteralElement(location);
- if (containingObjectLiteralElement) {
- /* Because in short-hand property assignment, location has two meaning : property name and as value of the property
- * When we do findAllReference at the position of the short-hand property assignment, we would want to have references to position of
- * property name and variable declaration of the identifier.
- * Like in below example, when querying for all references for an identifier 'name', of the property assignment, the language service
- * should show both 'name' in 'obj' and 'name' in variable declaration
- * const name = "Foo";
- * const obj = { name };
- * In order to do that, we will populate the search set with the value symbol of the identifier as a value of the property assignment
- * so that when matching with potential reference symbol, both symbols from property declaration and variable declaration
- * will be included correctly.
- */
- var shorthandValueSymbol = checker.getShorthandAssignmentValueSymbol(location.parent); // gets the local symbol
- if (shorthandValueSymbol && isForRenamePopulateSearchSymbolSet) {
- // When renaming 'x' in `const o = { x }`, just rename the local variable, not the property.
- return cbSymbol(shorthandValueSymbol, /*rootSymbol*/ undefined, /*baseSymbol*/ undefined, 3 /* SearchedLocalFoundProperty */);
- }
- // If the location is in a context sensitive location (i.e. in an object literal) try
- // to get a contextual type for it, and add the property symbol from the contextual
- // type to the search set
- var contextualType = checker.getContextualType(containingObjectLiteralElement.parent);
- var res_1 = contextualType && ts.firstDefined(ts.getPropertySymbolsFromContextualType(containingObjectLiteralElement, checker, contextualType, /*unionSymbolOk*/ true), function (sym) { return fromRoot(sym, 4 /* SearchedPropertyFoundLocal */); });
- if (res_1)
- return res_1;
- // If the location is name of property symbol from object literal destructuring pattern
- // Search the property symbol
- // for ( { property: p2 } of elems) { }
- var propertySymbol = getPropertySymbolOfDestructuringAssignment(location, checker);
- var res1 = propertySymbol && cbSymbol(propertySymbol, /*rootSymbol*/ undefined, /*baseSymbol*/ undefined, 4 /* SearchedPropertyFoundLocal */);
- if (res1)
- return res1;
- var res2 = shorthandValueSymbol && cbSymbol(shorthandValueSymbol, /*rootSymbol*/ undefined, /*baseSymbol*/ undefined, 3 /* SearchedLocalFoundProperty */);
- if (res2)
- return res2;
- }
- var aliasedSymbol = getMergedAliasedSymbolOfNamespaceExportDeclaration(location, symbol, checker);
- if (aliasedSymbol) {
- // In case of UMD module and global merging, search for global as well
- var res_2 = cbSymbol(aliasedSymbol, /*rootSymbol*/ undefined, /*baseSymbol*/ undefined, 1 /* Node */);
- if (res_2)
- return res_2;
- }
- var res = fromRoot(symbol);
- if (res)
- return res;
- if (symbol.valueDeclaration && ts.isParameterPropertyDeclaration(symbol.valueDeclaration, symbol.valueDeclaration.parent)) {
- // For a parameter property, now try on the other symbol (property if this was a parameter, parameter if this was a property).
- var paramProps = checker.getSymbolsOfParameterPropertyDeclaration(ts.cast(symbol.valueDeclaration, ts.isParameter), symbol.name);
- ts.Debug.assert(paramProps.length === 2 && !!(paramProps[0].flags & 1 /* FunctionScopedVariable */) && !!(paramProps[1].flags & 4 /* Property */)); // is [parameter, property]
- return fromRoot(symbol.flags & 1 /* FunctionScopedVariable */ ? paramProps[1] : paramProps[0]);
- }
- var exportSpecifier = ts.getDeclarationOfKind(symbol, 263 /* ExportSpecifier */);
- if (!isForRenamePopulateSearchSymbolSet || exportSpecifier && !exportSpecifier.propertyName) {
- var localSymbol = exportSpecifier && checker.getExportSpecifierLocalTargetSymbol(exportSpecifier);
- if (localSymbol) {
- var res_3 = cbSymbol(localSymbol, /*rootSymbol*/ undefined, /*baseSymbol*/ undefined, 1 /* Node */);
- if (res_3)
- return res_3;
- }
- }
- // symbolAtLocation for a binding element is the local symbol. See if the search symbol is the property.
- // Don't do this when populating search set for a rename when prefix and suffix text will be provided -- just rename the local.
- if (!isForRenamePopulateSearchSymbolSet) {
- var bindingElementPropertySymbol = void 0;
- if (onlyIncludeBindingElementAtReferenceLocation) {
- bindingElementPropertySymbol = ts.isObjectBindingElementWithoutPropertyName(location.parent) ? ts.getPropertySymbolFromBindingElement(checker, location.parent) : undefined;
- }
- else {
- bindingElementPropertySymbol = getPropertySymbolOfObjectBindingPatternWithoutPropertyName(symbol, checker);
- }
- return bindingElementPropertySymbol && fromRoot(bindingElementPropertySymbol, 4 /* SearchedPropertyFoundLocal */);
- }
- ts.Debug.assert(isForRenamePopulateSearchSymbolSet);
- // due to the above assert and the arguments at the uses of this function,
- // (onlyIncludeBindingElementAtReferenceLocation <=> !providePrefixAndSuffixTextForRename) holds
- var includeOriginalSymbolOfBindingElement = onlyIncludeBindingElementAtReferenceLocation;
- if (includeOriginalSymbolOfBindingElement) {
- var bindingElementPropertySymbol = getPropertySymbolOfObjectBindingPatternWithoutPropertyName(symbol, checker);
- return bindingElementPropertySymbol && fromRoot(bindingElementPropertySymbol, 4 /* SearchedPropertyFoundLocal */);
- }
- function fromRoot(sym, kind) {
- // If this is a union property:
- // - In populateSearchSymbolsSet we will add all the symbols from all its source symbols in all unioned types.
- // - In findRelatedSymbol, we will just use the union symbol if any source symbol is included in the search.
- // If the symbol is an instantiation from a another symbol (e.g. widened symbol):
- // - In populateSearchSymbolsSet, add the root the list
- // - In findRelatedSymbol, return the source symbol if that is in the search. (Do not return the instantiation symbol.)
- return ts.firstDefined(checker.getRootSymbols(sym), function (rootSymbol) {
- return cbSymbol(sym, rootSymbol, /*baseSymbol*/ undefined, kind)
- // Add symbol of properties/methods of the same name in base classes and implemented interfaces definitions
- || (rootSymbol.parent && rootSymbol.parent.flags & (32 /* Class */ | 64 /* Interface */) && allowBaseTypes(rootSymbol)
- ? ts.getPropertySymbolsFromBaseTypes(rootSymbol.parent, rootSymbol.name, checker, function (base) { return cbSymbol(sym, rootSymbol, base, kind); })
- : undefined);
- });
- }
- function getPropertySymbolOfObjectBindingPatternWithoutPropertyName(symbol, checker) {
- var bindingElement = ts.getDeclarationOfKind(symbol, 191 /* BindingElement */);
- if (bindingElement && ts.isObjectBindingElementWithoutPropertyName(bindingElement)) {
- return ts.getPropertySymbolFromBindingElement(checker, bindingElement);
- }
- }
- }
- function getRelatedSymbol(search, referenceSymbol, referenceLocation, state) {
- var checker = state.checker;
- return forEachRelatedSymbol(referenceSymbol, referenceLocation, checker, /*isForRenamePopulateSearchSymbolSet*/ false,
- /*onlyIncludeBindingElementAtReferenceLocation*/ state.options.use !== 2 /* Rename */ || !!state.options.providePrefixAndSuffixTextForRename, function (sym, rootSymbol, baseSymbol, kind) { return search.includes(baseSymbol || rootSymbol || sym)
- // For a base type, use the symbol for the derived type. For a synthetic (e.g. union) property, use the union symbol.
- ? { symbol: rootSymbol && !(ts.getCheckFlags(sym) & 6 /* Synthetic */) ? rootSymbol : sym, kind: kind }
- : undefined; },
- /*allowBaseTypes*/ function (rootSymbol) {
- return !(search.parents && !search.parents.some(function (parent) { return explicitlyInheritsFrom(rootSymbol.parent, parent, state.inheritsFromCache, checker); }));
- });
- }
- /**
- * Given an initial searchMeaning, extracted from a location, widen the search scope based on the declarations
- * of the corresponding symbol. e.g. if we are searching for "Foo" in value position, but "Foo" references a class
- * then we need to widen the search to include type positions as well.
- * On the contrary, if we are searching for "Bar" in type position and we trace bar to an interface, and an uninstantiated
- * module, we want to keep the search limited to only types, as the two declarations (interface and uninstantiated module)
- * do not intersect in any of the three spaces.
- */
- function getIntersectingMeaningFromDeclarations(node, symbol) {
- var meaning = ts.getMeaningFromLocation(node);
- var declarations = symbol.declarations;
- if (declarations) {
- var lastIterationMeaning = void 0;
- do {
- // The result is order-sensitive, for instance if initialMeaning === Namespace, and declarations = [class, instantiated module]
- // we need to consider both as they initialMeaning intersects with the module in the namespace space, and the module
- // intersects with the class in the value space.
- // To achieve that we will keep iterating until the result stabilizes.
- // Remember the last meaning
- lastIterationMeaning = meaning;
- for (var _i = 0, declarations_2 = declarations; _i < declarations_2.length; _i++) {
- var declaration = declarations_2[_i];
- var declarationMeaning = ts.getMeaningFromDeclaration(declaration);
- if (declarationMeaning & meaning) {
- meaning |= declarationMeaning;
- }
- }
- } while (meaning !== lastIterationMeaning);
- }
- return meaning;
- }
- Core.getIntersectingMeaningFromDeclarations = getIntersectingMeaningFromDeclarations;
- function isImplementation(node) {
- return !!(node.flags & 8388608 /* Ambient */) ? !(ts.isInterfaceDeclaration(node) || ts.isTypeAliasDeclaration(node)) :
- (ts.isVariableLike(node) ? ts.hasInitializer(node) :
- ts.isFunctionLikeDeclaration(node) ? !!node.body :
- ts.isClassLike(node) || ts.isModuleOrEnumDeclaration(node));
- }
- function getReferenceEntriesForShorthandPropertyAssignment(node, checker, addReference) {
- var refSymbol = checker.getSymbolAtLocation(node);
- var shorthandSymbol = checker.getShorthandAssignmentValueSymbol(refSymbol.valueDeclaration);
- if (shorthandSymbol) {
- for (var _i = 0, _a = shorthandSymbol.getDeclarations(); _i < _a.length; _i++) {
- var declaration = _a[_i];
- if (ts.getMeaningFromDeclaration(declaration) & 1 /* Value */) {
- addReference(declaration);
- }
- }
- }
- }
- Core.getReferenceEntriesForShorthandPropertyAssignment = getReferenceEntriesForShorthandPropertyAssignment;
- function forEachDescendantOfKind(node, kind, action) {
- ts.forEachChild(node, function (child) {
- if (child.kind === kind) {
- action(child);
- }
- forEachDescendantOfKind(child, kind, action);
- });
- }
- /** Get `C` given `N` if `N` is in the position `class C extends N` or `class C extends foo.N` where `N` is an identifier. */
- function tryGetClassByExtendingIdentifier(node) {
- return ts.tryGetClassExtendingExpressionWithTypeArguments(ts.climbPastPropertyAccess(node).parent);
- }
- /**
- * If we are just looking for implementations and this is a property access expression, we need to get the
- * symbol of the local type of the symbol the property is being accessed on. This is because our search
- * symbol may have a different parent symbol if the local type's symbol does not declare the property
- * being accessed (i.e. it is declared in some parent class or interface)
- */
- function getParentSymbolsOfPropertyAccess(location, symbol, checker) {
- var propertyAccessExpression = ts.isRightSideOfPropertyAccess(location) ? location.parent : undefined;
- var lhsType = propertyAccessExpression && checker.getTypeAtLocation(propertyAccessExpression.expression);
- var res = ts.mapDefined(lhsType && (lhsType.isUnionOrIntersection() ? lhsType.types : lhsType.symbol === symbol.parent ? undefined : [lhsType]), function (t) {
- return t.symbol && t.symbol.flags & (32 /* Class */ | 64 /* Interface */) ? t.symbol : undefined;
- });
- return res.length === 0 ? undefined : res;
- }
- function isForRenameWithPrefixAndSuffixText(options) {
- return options.use === 2 /* Rename */ && options.providePrefixAndSuffixTextForRename;
- }
- })(Core = FindAllReferences.Core || (FindAllReferences.Core = {}));
- })(FindAllReferences = ts.FindAllReferences || (ts.FindAllReferences = {}));
-})(ts || (ts = {}));
-/* @internal */
-var ts;
-(function (ts) {
- var CallHierarchy;
- (function (CallHierarchy) {
- /** Indictates whether a node is named function or class expression. */
- function isNamedExpression(node) {
- return (ts.isFunctionExpression(node) || ts.isClassExpression(node)) && ts.isNamedDeclaration(node);
- }
- /** Indicates whether a node is a function, arrow, or class expression assigned to a constant variable. */
- function isConstNamedExpression(node) {
- return (ts.isFunctionExpression(node) || ts.isArrowFunction(node) || ts.isClassExpression(node))
- && ts.isVariableDeclaration(node.parent)
- && node === node.parent.initializer
- && ts.isIdentifier(node.parent.name)
- && !!(ts.getCombinedNodeFlags(node.parent) & 2 /* Const */);
- }
- /**
- * Indicates whether a node could possibly be a call hierarchy declaration.
- *
- * See `resolveCallHierarchyDeclaration` for the specific rules.
- */
- function isPossibleCallHierarchyDeclaration(node) {
- return ts.isSourceFile(node)
- || ts.isModuleDeclaration(node)
- || ts.isFunctionDeclaration(node)
- || ts.isFunctionExpression(node)
- || ts.isClassDeclaration(node)
- || ts.isClassExpression(node)
- || ts.isMethodDeclaration(node)
- || ts.isMethodSignature(node)
- || ts.isGetAccessorDeclaration(node)
- || ts.isSetAccessorDeclaration(node);
- }
- /**
- * Indicates whether a node is a valid a call hierarchy declaration.
- *
- * See `resolveCallHierarchyDeclaration` for the specific rules.
- */
- function isValidCallHierarchyDeclaration(node) {
- return ts.isSourceFile(node)
- || ts.isModuleDeclaration(node) && ts.isIdentifier(node.name)
- || ts.isFunctionDeclaration(node)
- || ts.isClassDeclaration(node)
- || ts.isMethodDeclaration(node)
- || ts.isMethodSignature(node)
- || ts.isGetAccessorDeclaration(node)
- || ts.isSetAccessorDeclaration(node)
- || isNamedExpression(node)
- || isConstNamedExpression(node);
- }
- /** Gets the node that can be used as a reference to a call hierarchy declaration. */
- function getCallHierarchyDeclarationReferenceNode(node) {
- if (ts.isSourceFile(node))
- return node;
- if (ts.isNamedDeclaration(node))
- return node.name;
- if (isConstNamedExpression(node))
- return node.parent.name;
- return ts.Debug.checkDefined(node.modifiers && ts.find(node.modifiers, isDefaultModifier));
- }
- function isDefaultModifier(node) {
- return node.kind === 84 /* DefaultKeyword */;
- }
- /** Gets the symbol for a call hierarchy declaration. */
- function getSymbolOfCallHierarchyDeclaration(typeChecker, node) {
- var location = getCallHierarchyDeclarationReferenceNode(node);
- return location && typeChecker.getSymbolAtLocation(location);
- }
- /** Gets the text and range for the name of a call hierarchy declaration. */
- function getCallHierarchyItemName(program, node) {
- if (ts.isSourceFile(node)) {
- return { text: node.fileName, pos: 0, end: 0 };
- }
- if ((ts.isFunctionDeclaration(node) || ts.isClassDeclaration(node)) && !ts.isNamedDeclaration(node)) {
- var defaultModifier = node.modifiers && ts.find(node.modifiers, isDefaultModifier);
- if (defaultModifier) {
- return { text: "default", pos: defaultModifier.getStart(), end: defaultModifier.getEnd() };
- }
- }
- var declName = isConstNamedExpression(node) ? node.parent.name :
- ts.Debug.checkDefined(ts.getNameOfDeclaration(node), "Expected call hierarchy item to have a name");
- var text = ts.isIdentifier(declName) ? ts.idText(declName) :
- ts.isStringOrNumericLiteralLike(declName) ? declName.text :
- ts.isComputedPropertyName(declName) ?
- ts.isStringOrNumericLiteralLike(declName.expression) ? declName.expression.text :
- undefined :
- undefined;
- if (text === undefined) {
- var typeChecker = program.getTypeChecker();
- var symbol = typeChecker.getSymbolAtLocation(declName);
- if (symbol) {
- text = typeChecker.symbolToString(symbol, node);
- }
- }
- if (text === undefined) {
- // get the text from printing the node on a single line without comments...
- var printer_1 = ts.createPrinter({ removeComments: true, omitTrailingSemicolon: true });
- text = ts.usingSingleLineStringWriter(function (writer) { return printer_1.writeNode(4 /* Unspecified */, node, node.getSourceFile(), writer); });
- }
- return { text: text, pos: declName.getStart(), end: declName.getEnd() };
- }
- function findImplementation(typeChecker, node) {
- if (node.body) {
- return node;
- }
- if (ts.isConstructorDeclaration(node)) {
- return ts.getFirstConstructorWithBody(node.parent);
- }
- if (ts.isFunctionDeclaration(node) || ts.isMethodDeclaration(node)) {
- var symbol = getSymbolOfCallHierarchyDeclaration(typeChecker, node);
- if (symbol && symbol.valueDeclaration && ts.isFunctionLikeDeclaration(symbol.valueDeclaration) && symbol.valueDeclaration.body) {
- return symbol.valueDeclaration;
- }
- return undefined;
- }
- return node;
- }
- function findAllInitialDeclarations(typeChecker, node) {
- var symbol = getSymbolOfCallHierarchyDeclaration(typeChecker, node);
- var declarations;
- if (symbol && symbol.declarations) {
- var indices = ts.indicesOf(symbol.declarations);
- var keys_1 = ts.map(symbol.declarations, function (decl) { return ({ file: decl.getSourceFile().fileName, pos: decl.pos }); });
- indices.sort(function (a, b) { return ts.compareStringsCaseSensitive(keys_1[a].file, keys_1[b].file) || keys_1[a].pos - keys_1[b].pos; });
- var sortedDeclarations = ts.map(indices, function (i) { return symbol.declarations[i]; });
- var lastDecl = void 0;
- for (var _i = 0, sortedDeclarations_1 = sortedDeclarations; _i < sortedDeclarations_1.length; _i++) {
- var decl = sortedDeclarations_1[_i];
- if (isValidCallHierarchyDeclaration(decl)) {
- if (!lastDecl || lastDecl.parent !== decl.parent || lastDecl.end !== decl.pos) {
- declarations = ts.append(declarations, decl);
- }
- lastDecl = decl;
- }
- }
- }
- return declarations;
- }
- /** Find the implementation or the first declaration for a call hierarchy declaration. */
- function findImplementationOrAllInitialDeclarations(typeChecker, node) {
- var _a, _b, _c;
- if (ts.isFunctionLikeDeclaration(node)) {
- return (_b = (_a = findImplementation(typeChecker, node)) !== null && _a !== void 0 ? _a : findAllInitialDeclarations(typeChecker, node)) !== null && _b !== void 0 ? _b : node;
- }
- return (_c = findAllInitialDeclarations(typeChecker, node)) !== null && _c !== void 0 ? _c : node;
- }
- /** Resolves the call hierarchy declaration for a node. */
- function resolveCallHierarchyDeclaration(program, location) {
- // A call hierarchy item must refer to either a SourceFile, Module Declaration, or something intrinsically callable that has a name:
- // - Class Declarations
- // - Class Expressions (with a name)
- // - Function Declarations
- // - Function Expressions (with a name or assigned to a const variable)
- // - Arrow Functions (assigned to a const variable)
- // - Constructors
- // - Methods
- // - Accessors
- //
- // If a call is contained in a non-named callable Node (function expression, arrow function, etc.), then
- // its containing `CallHierarchyItem` is a containing function or SourceFile that matches the above list.
- var typeChecker = program.getTypeChecker();
- var followingSymbol = false;
- while (true) {
- if (isValidCallHierarchyDeclaration(location)) {
- return findImplementationOrAllInitialDeclarations(typeChecker, location);
- }
- if (isPossibleCallHierarchyDeclaration(location)) {
- var ancestor = ts.findAncestor(location, isValidCallHierarchyDeclaration);
- return ancestor && findImplementationOrAllInitialDeclarations(typeChecker, ancestor);
- }
- if (ts.isDeclarationName(location)) {
- if (isValidCallHierarchyDeclaration(location.parent)) {
- return findImplementationOrAllInitialDeclarations(typeChecker, location.parent);
- }
- if (isPossibleCallHierarchyDeclaration(location.parent)) {
- var ancestor = ts.findAncestor(location.parent, isValidCallHierarchyDeclaration);
- return ancestor && findImplementationOrAllInitialDeclarations(typeChecker, ancestor);
- }
- if (ts.isVariableDeclaration(location.parent) && location.parent.initializer && isConstNamedExpression(location.parent.initializer)) {
- return location.parent.initializer;
- }
- return undefined;
- }
- if (ts.isConstructorDeclaration(location)) {
- if (isValidCallHierarchyDeclaration(location.parent)) {
- return location.parent;
- }
- return undefined;
- }
- if (!followingSymbol) {
- var symbol = typeChecker.getSymbolAtLocation(location);
- if (symbol) {
- if (symbol.flags & 2097152 /* Alias */) {
- symbol = typeChecker.getAliasedSymbol(symbol);
- }
- if (symbol.valueDeclaration) {
- followingSymbol = true;
- location = symbol.valueDeclaration;
- continue;
- }
- }
- }
- return undefined;
- }
- }
- CallHierarchy.resolveCallHierarchyDeclaration = resolveCallHierarchyDeclaration;
- /** Creates a `CallHierarchyItem` for a call hierarchy declaration. */
- function createCallHierarchyItem(program, node) {
- var sourceFile = node.getSourceFile();
- var name = getCallHierarchyItemName(program, node);
- var kind = ts.getNodeKind(node);
- var span = ts.createTextSpanFromBounds(ts.skipTrivia(sourceFile.text, node.getFullStart(), /*stopAfterLineBreak*/ false, /*stopAtComments*/ true), node.getEnd());
- var selectionSpan = ts.createTextSpanFromBounds(name.pos, name.end);
- return { file: sourceFile.fileName, kind: kind, name: name.text, span: span, selectionSpan: selectionSpan };
- }
- CallHierarchy.createCallHierarchyItem = createCallHierarchyItem;
- function isDefined(x) {
- return x !== undefined;
- }
- function convertEntryToCallSite(entry) {
- if (entry.kind === 1 /* Node */) {
- var node = entry.node;
- if (ts.isCallOrNewExpressionTarget(node, /*includeElementAccess*/ true, /*skipPastOuterExpressions*/ true)
- || ts.isTaggedTemplateTag(node, /*includeElementAccess*/ true, /*skipPastOuterExpressions*/ true)
- || ts.isDecoratorTarget(node, /*includeElementAccess*/ true, /*skipPastOuterExpressions*/ true)
- || ts.isJsxOpeningLikeElementTagName(node, /*includeElementAccess*/ true, /*skipPastOuterExpressions*/ true)
- || ts.isRightSideOfPropertyAccess(node)
- || ts.isArgumentExpressionOfElementAccess(node)) {
- var sourceFile = node.getSourceFile();
- var ancestor = ts.findAncestor(node, isValidCallHierarchyDeclaration) || sourceFile;
- return { declaration: ancestor, range: ts.createTextRangeFromNode(node, sourceFile) };
- }
- }
- }
- function getCallSiteGroupKey(entry) {
- return "" + ts.getNodeId(entry.declaration);
- }
- function createCallHierarchyIncomingCall(from, fromSpans) {
- return { from: from, fromSpans: fromSpans };
- }
- function convertCallSiteGroupToIncomingCall(program, entries) {
- return createCallHierarchyIncomingCall(createCallHierarchyItem(program, entries[0].declaration), ts.map(entries, function (entry) { return ts.createTextSpanFromRange(entry.range); }));
- }
- /** Gets the call sites that call into the provided call hierarchy declaration. */
- function getIncomingCalls(program, declaration, cancellationToken) {
- // Source files and modules have no incoming calls.
- if (ts.isSourceFile(declaration) || ts.isModuleDeclaration(declaration)) {
- return [];
- }
- var location = getCallHierarchyDeclarationReferenceNode(declaration);
- var calls = ts.filter(ts.FindAllReferences.findReferenceOrRenameEntries(program, cancellationToken, program.getSourceFiles(), location, /*position*/ 0, { use: 1 /* References */ }, convertEntryToCallSite), isDefined);
- return calls ? ts.group(calls, getCallSiteGroupKey, function (entries) { return convertCallSiteGroupToIncomingCall(program, entries); }) : [];
- }
- CallHierarchy.getIncomingCalls = getIncomingCalls;
- function createCallSiteCollector(program, callSites) {
- function recordCallSite(node) {
- var target = ts.isTaggedTemplateExpression(node) ? node.tag :
- ts.isJsxOpeningLikeElement(node) ? node.tagName :
- ts.isAccessExpression(node) ? node :
- node.expression;
- var declaration = resolveCallHierarchyDeclaration(program, target);
- if (declaration) {
- var range = ts.createTextRangeFromNode(target, node.getSourceFile());
- if (ts.isArray(declaration)) {
- for (var _i = 0, declaration_1 = declaration; _i < declaration_1.length; _i++) {
- var decl = declaration_1[_i];
- callSites.push({ declaration: decl, range: range });
- }
- }
- else {
- callSites.push({ declaration: declaration, range: range });
- }
- }
- }
- function collect(node) {
- if (!node)
- return;
- if (node.flags & 8388608 /* Ambient */) {
- // do not descend into ambient nodes.
- return;
- }
- if (isValidCallHierarchyDeclaration(node)) {
- // do not descend into other call site declarations, other than class member names
- if (ts.isClassLike(node)) {
- for (var _i = 0, _a = node.members; _i < _a.length; _i++) {
- var member = _a[_i];
- if (member.name && ts.isComputedPropertyName(member.name)) {
- collect(member.name.expression);
- }
- }
- }
- return;
- }
- switch (node.kind) {
- case 75 /* Identifier */:
- case 253 /* ImportEqualsDeclaration */:
- case 254 /* ImportDeclaration */:
- case 260 /* ExportDeclaration */:
- case 246 /* InterfaceDeclaration */:
- case 247 /* TypeAliasDeclaration */:
- // do not descend into nodes that cannot contain callable nodes
- return;
- case 199 /* TypeAssertionExpression */:
- case 217 /* AsExpression */:
- // do not descend into the type side of an assertion
- collect(node.expression);
- return;
- case 242 /* VariableDeclaration */:
- case 156 /* Parameter */:
- // do not descend into the type of a variable or parameter declaration
- collect(node.name);
- collect(node.initializer);
- return;
- case 196 /* CallExpression */:
- // do not descend into the type arguments of a call expression
- recordCallSite(node);
- collect(node.expression);
- ts.forEach(node.arguments, collect);
- return;
- case 197 /* NewExpression */:
- // do not descend into the type arguments of a new expression
- recordCallSite(node);
- collect(node.expression);
- ts.forEach(node.arguments, collect);
- return;
- case 198 /* TaggedTemplateExpression */:
- // do not descend into the type arguments of a tagged template expression
- recordCallSite(node);
- collect(node.tag);
- collect(node.template);
- return;
- case 268 /* JsxOpeningElement */:
- case 267 /* JsxSelfClosingElement */:
- // do not descend into the type arguments of a JsxOpeningLikeElement
- recordCallSite(node);
- collect(node.tagName);
- collect(node.attributes);
- return;
- case 157 /* Decorator */:
- recordCallSite(node);
- collect(node.expression);
- return;
- case 194 /* PropertyAccessExpression */:
- case 195 /* ElementAccessExpression */:
- recordCallSite(node);
- ts.forEachChild(node, collect);
- break;
- }
- if (ts.isPartOfTypeNode(node)) {
- // do not descend into types
- return;
- }
- ts.forEachChild(node, collect);
- }
- return collect;
- }
- function collectCallSitesOfSourceFile(node, collect) {
- ts.forEach(node.statements, collect);
- }
- function collectCallSitesOfModuleDeclaration(node, collect) {
- if (!ts.hasModifier(node, 2 /* Ambient */) && node.body && ts.isModuleBlock(node.body)) {
- ts.forEach(node.body.statements, collect);
- }
- }
- function collectCallSitesOfFunctionLikeDeclaration(typeChecker, node, collect) {
- var implementation = findImplementation(typeChecker, node);
- if (implementation) {
- ts.forEach(implementation.parameters, collect);
- collect(implementation.body);
- }
- }
- function collectCallSitesOfClassLikeDeclaration(node, collect) {
- ts.forEach(node.decorators, collect);
- var heritage = ts.getClassExtendsHeritageElement(node);
- if (heritage) {
- collect(heritage.expression);
- }
- for (var _i = 0, _a = node.members; _i < _a.length; _i++) {
- var member = _a[_i];
- ts.forEach(member.decorators, collect);
- if (ts.isPropertyDeclaration(member)) {
- collect(member.initializer);
- }
- else if (ts.isConstructorDeclaration(member) && member.body) {
- ts.forEach(member.parameters, collect);
- collect(member.body);
- }
- }
- }
- function collectCallSites(program, node) {
- var callSites = [];
- var collect = createCallSiteCollector(program, callSites);
- switch (node.kind) {
- case 290 /* SourceFile */:
- collectCallSitesOfSourceFile(node, collect);
- break;
- case 249 /* ModuleDeclaration */:
- collectCallSitesOfModuleDeclaration(node, collect);
- break;
- case 244 /* FunctionDeclaration */:
- case 201 /* FunctionExpression */:
- case 202 /* ArrowFunction */:
- case 161 /* MethodDeclaration */:
- case 163 /* GetAccessor */:
- case 164 /* SetAccessor */:
- collectCallSitesOfFunctionLikeDeclaration(program.getTypeChecker(), node, collect);
- break;
- case 245 /* ClassDeclaration */:
- case 214 /* ClassExpression */:
- collectCallSitesOfClassLikeDeclaration(node, collect);
- break;
- default:
- ts.Debug.assertNever(node);
- }
- return callSites;
- }
- function createCallHierarchyOutgoingCall(to, fromSpans) {
- return { to: to, fromSpans: fromSpans };
- }
- function convertCallSiteGroupToOutgoingCall(program, entries) {
- return createCallHierarchyOutgoingCall(createCallHierarchyItem(program, entries[0].declaration), ts.map(entries, function (entry) { return ts.createTextSpanFromRange(entry.range); }));
- }
- /** Gets the call sites that call out of the provided call hierarchy declaration. */
- function getOutgoingCalls(program, declaration) {
- if (declaration.flags & 8388608 /* Ambient */ || ts.isMethodSignature(declaration)) {
- return [];
- }
- return ts.group(collectCallSites(program, declaration), getCallSiteGroupKey, function (entries) { return convertCallSiteGroupToOutgoingCall(program, entries); });
- }
- CallHierarchy.getOutgoingCalls = getOutgoingCalls;
- })(CallHierarchy = ts.CallHierarchy || (ts.CallHierarchy = {}));
-})(ts || (ts = {}));
-/* @internal */
-var ts;
-(function (ts) {
- function getEditsForFileRename(program, oldFileOrDirPath, newFileOrDirPath, host, formatContext, preferences, sourceMapper) {
- var useCaseSensitiveFileNames = ts.hostUsesCaseSensitiveFileNames(host);
- var getCanonicalFileName = ts.createGetCanonicalFileName(useCaseSensitiveFileNames);
- var oldToNew = getPathUpdater(oldFileOrDirPath, newFileOrDirPath, getCanonicalFileName, sourceMapper);
- var newToOld = getPathUpdater(newFileOrDirPath, oldFileOrDirPath, getCanonicalFileName, sourceMapper);
- return ts.textChanges.ChangeTracker.with({ host: host, formatContext: formatContext, preferences: preferences }, function (changeTracker) {
- updateTsconfigFiles(program, changeTracker, oldToNew, oldFileOrDirPath, newFileOrDirPath, host.getCurrentDirectory(), useCaseSensitiveFileNames);
- updateImports(program, changeTracker, oldToNew, newToOld, host, getCanonicalFileName);
- });
- }
- ts.getEditsForFileRename = getEditsForFileRename;
- // exported for tests
- function getPathUpdater(oldFileOrDirPath, newFileOrDirPath, getCanonicalFileName, sourceMapper) {
- var canonicalOldPath = getCanonicalFileName(oldFileOrDirPath);
- return function (path) {
- var originalPath = sourceMapper && sourceMapper.tryGetSourcePosition({ fileName: path, pos: 0 });
- var updatedPath = getUpdatedPath(originalPath ? originalPath.fileName : path);
- return originalPath
- ? updatedPath === undefined ? undefined : makeCorrespondingRelativeChange(originalPath.fileName, updatedPath, path, getCanonicalFileName)
- : updatedPath;
- };
- function getUpdatedPath(pathToUpdate) {
- if (getCanonicalFileName(pathToUpdate) === canonicalOldPath)
- return newFileOrDirPath;
- var suffix = ts.tryRemoveDirectoryPrefix(pathToUpdate, canonicalOldPath, getCanonicalFileName);
- return suffix === undefined ? undefined : newFileOrDirPath + "/" + suffix;
- }
- }
- ts.getPathUpdater = getPathUpdater;
- // Relative path from a0 to b0 should be same as relative path from a1 to b1. Returns b1.
- function makeCorrespondingRelativeChange(a0, b0, a1, getCanonicalFileName) {
- var rel = ts.getRelativePathFromFile(a0, b0, getCanonicalFileName);
- return combinePathsSafe(ts.getDirectoryPath(a1), rel);
- }
- function updateTsconfigFiles(program, changeTracker, oldToNew, oldFileOrDirPath, newFileOrDirPath, currentDirectory, useCaseSensitiveFileNames) {
- var configFile = program.getCompilerOptions().configFile;
- if (!configFile)
- return;
- var configDir = ts.getDirectoryPath(configFile.fileName);
- var jsonObjectLiteral = ts.getTsConfigObjectLiteralExpression(configFile);
- if (!jsonObjectLiteral)
- return;
- forEachProperty(jsonObjectLiteral, function (property, propertyName) {
- switch (propertyName) {
- case "files":
- case "include":
- case "exclude": {
- var foundExactMatch = updatePaths(property);
- if (!foundExactMatch && propertyName === "include" && ts.isArrayLiteralExpression(property.initializer)) {
- var includes = ts.mapDefined(property.initializer.elements, function (e) { return ts.isStringLiteral(e) ? e.text : undefined; });
- var matchers = ts.getFileMatcherPatterns(configDir, /*excludes*/ [], includes, useCaseSensitiveFileNames, currentDirectory);
- // If there isn't some include for this, add a new one.
- if (ts.getRegexFromPattern(ts.Debug.checkDefined(matchers.includeFilePattern), useCaseSensitiveFileNames).test(oldFileOrDirPath) &&
- !ts.getRegexFromPattern(ts.Debug.checkDefined(matchers.includeFilePattern), useCaseSensitiveFileNames).test(newFileOrDirPath)) {
- changeTracker.insertNodeAfter(configFile, ts.last(property.initializer.elements), ts.createStringLiteral(relativePath(newFileOrDirPath)));
- }
- }
- break;
- }
- case "compilerOptions":
- forEachProperty(property.initializer, function (property, propertyName) {
- var option = ts.getOptionFromName(propertyName);
- if (option && (option.isFilePath || option.type === "list" && option.element.isFilePath)) {
- updatePaths(property);
- }
- else if (propertyName === "paths") {
- forEachProperty(property.initializer, function (pathsProperty) {
- if (!ts.isArrayLiteralExpression(pathsProperty.initializer))
- return;
- for (var _i = 0, _a = pathsProperty.initializer.elements; _i < _a.length; _i++) {
- var e = _a[_i];
- tryUpdateString(e);
- }
- });
- }
- });
- break;
- }
- });
- function updatePaths(property) {
- // Type annotation needed due to #7294
- var elements = ts.isArrayLiteralExpression(property.initializer) ? property.initializer.elements : [property.initializer];
- var foundExactMatch = false;
- for (var _i = 0, elements_1 = elements; _i < elements_1.length; _i++) {
- var element = elements_1[_i];
- foundExactMatch = tryUpdateString(element) || foundExactMatch;
- }
- return foundExactMatch;
- }
- function tryUpdateString(element) {
- if (!ts.isStringLiteral(element))
- return false;
- var elementFileName = combinePathsSafe(configDir, element.text);
- var updated = oldToNew(elementFileName);
- if (updated !== undefined) {
- changeTracker.replaceRangeWithText(configFile, createStringRange(element, configFile), relativePath(updated));
- return true;
- }
- return false;
- }
- function relativePath(path) {
- return ts.getRelativePathFromDirectory(configDir, path, /*ignoreCase*/ !useCaseSensitiveFileNames);
- }
- }
- function updateImports(program, changeTracker, oldToNew, newToOld, host, getCanonicalFileName) {
- var allFiles = program.getSourceFiles();
- var _loop_4 = function (sourceFile) {
- var newFromOld = oldToNew(sourceFile.path);
- var newImportFromPath = newFromOld !== undefined ? newFromOld : sourceFile.path;
- var newImportFromDirectory = ts.getDirectoryPath(newImportFromPath);
- var oldFromNew = newToOld(sourceFile.fileName);
- var oldImportFromPath = oldFromNew || sourceFile.fileName;
- var oldImportFromDirectory = ts.getDirectoryPath(oldImportFromPath);
- var importingSourceFileMoved = newFromOld !== undefined || oldFromNew !== undefined;
- updateImportsWorker(sourceFile, changeTracker, function (referenceText) {
- if (!ts.pathIsRelative(referenceText))
- return undefined;
- var oldAbsolute = combinePathsSafe(oldImportFromDirectory, referenceText);
- var newAbsolute = oldToNew(oldAbsolute);
- return newAbsolute === undefined ? undefined : ts.ensurePathIsNonModuleName(ts.getRelativePathFromDirectory(newImportFromDirectory, newAbsolute, getCanonicalFileName));
- }, function (importLiteral) {
- var importedModuleSymbol = program.getTypeChecker().getSymbolAtLocation(importLiteral);
- // No need to update if it's an ambient module^M
- if (importedModuleSymbol && importedModuleSymbol.declarations.some(function (d) { return ts.isAmbientModule(d); }))
- return undefined;
- var toImport = oldFromNew !== undefined
- // If we're at the new location (file was already renamed), need to redo module resolution starting from the old location.
- // TODO:GH#18217
- ? getSourceFileToImportFromResolved(ts.resolveModuleName(importLiteral.text, oldImportFromPath, program.getCompilerOptions(), host), oldToNew, allFiles)
- : getSourceFileToImport(importedModuleSymbol, importLiteral, sourceFile, program, host, oldToNew);
- // Need an update if the imported file moved, or the importing file moved and was using a relative path.
- return toImport !== undefined && (toImport.updated || (importingSourceFileMoved && ts.pathIsRelative(importLiteral.text)))
- ? ts.moduleSpecifiers.updateModuleSpecifier(program.getCompilerOptions(), newImportFromPath, toImport.newFileName, ts.createModuleSpecifierResolutionHost(program, host), importLiteral.text)
- : undefined;
- });
- };
- for (var _i = 0, allFiles_1 = allFiles; _i < allFiles_1.length; _i++) {
- var sourceFile = allFiles_1[_i];
- _loop_4(sourceFile);
- }
- }
- function combineNormal(pathA, pathB) {
- return ts.normalizePath(ts.combinePaths(pathA, pathB));
- }
- function combinePathsSafe(pathA, pathB) {
- return ts.ensurePathIsNonModuleName(combineNormal(pathA, pathB));
- }
- function getSourceFileToImport(importedModuleSymbol, importLiteral, importingSourceFile, program, host, oldToNew) {
- if (importedModuleSymbol) {
- // `find` should succeed because we checked for ambient modules before calling this function.
- var oldFileName = ts.find(importedModuleSymbol.declarations, ts.isSourceFile).fileName;
- var newFileName = oldToNew(oldFileName);
- return newFileName === undefined ? { newFileName: oldFileName, updated: false } : { newFileName: newFileName, updated: true };
- }
- else {
- var resolved = host.resolveModuleNames
- ? host.getResolvedModuleWithFailedLookupLocationsFromCache && host.getResolvedModuleWithFailedLookupLocationsFromCache(importLiteral.text, importingSourceFile.fileName)
- : program.getResolvedModuleWithFailedLookupLocationsFromCache(importLiteral.text, importingSourceFile.fileName);
- return getSourceFileToImportFromResolved(resolved, oldToNew, program.getSourceFiles());
- }
- }
- function getSourceFileToImportFromResolved(resolved, oldToNew, sourceFiles) {
- // Search through all locations looking for a moved file, and only then test already existing files.
- // This is because if `a.ts` is compiled to `a.js` and `a.ts` is moved, we don't want to resolve anything to `a.js`, but to `a.ts`'s new location.
- if (!resolved)
- return undefined;
- // First try resolved module
- if (resolved.resolvedModule) {
- var result_2 = tryChange(resolved.resolvedModule.resolvedFileName);
- if (result_2)
- return result_2;
- }
- // Then failed lookups that are in the list of sources
- var result = ts.forEach(resolved.failedLookupLocations, tryChangeWithIgnoringPackageJsonExisting)
- // Then failed lookups except package.json since we dont want to touch them (only included ts/js files)
- || ts.forEach(resolved.failedLookupLocations, tryChangeWithIgnoringPackageJson);
- if (result)
- return result;
- // If nothing changed, then result is resolved module file thats not updated
- return resolved.resolvedModule && { newFileName: resolved.resolvedModule.resolvedFileName, updated: false };
- function tryChangeWithIgnoringPackageJsonExisting(oldFileName) {
- var newFileName = oldToNew(oldFileName);
- return newFileName && ts.find(sourceFiles, function (src) { return src.fileName === newFileName; })
- ? tryChangeWithIgnoringPackageJson(oldFileName) : undefined;
- }
- function tryChangeWithIgnoringPackageJson(oldFileName) {
- return !ts.endsWith(oldFileName, "/package.json") ? tryChange(oldFileName) : undefined;
- }
- function tryChange(oldFileName) {
- var newFileName = oldToNew(oldFileName);
- return newFileName && { newFileName: newFileName, updated: true };
- }
- }
- function updateImportsWorker(sourceFile, changeTracker, updateRef, updateImport) {
- for (var _i = 0, _a = sourceFile.referencedFiles || ts.emptyArray; _i < _a.length; _i++) { // TODO: GH#26162
- var ref = _a[_i];
- var updated = updateRef(ref.fileName);
- if (updated !== undefined && updated !== sourceFile.text.slice(ref.pos, ref.end))
- changeTracker.replaceRangeWithText(sourceFile, ref, updated);
- }
- for (var _b = 0, _c = sourceFile.imports; _b < _c.length; _b++) {
- var importStringLiteral = _c[_b];
- var updated = updateImport(importStringLiteral);
- if (updated !== undefined && updated !== importStringLiteral.text)
- changeTracker.replaceRangeWithText(sourceFile, createStringRange(importStringLiteral, sourceFile), updated);
- }
- }
- function createStringRange(node, sourceFile) {
- return ts.createRange(node.getStart(sourceFile) + 1, node.end - 1);
- }
- function forEachProperty(objectLiteral, cb) {
- if (!ts.isObjectLiteralExpression(objectLiteral))
- return;
- for (var _i = 0, _a = objectLiteral.properties; _i < _a.length; _i++) {
- var property = _a[_i];
- if (ts.isPropertyAssignment(property) && ts.isStringLiteral(property.name)) {
- cb(property, property.name.text);
- }
- }
- }
-})(ts || (ts = {}));
-/* @internal */
-var ts;
-(function (ts) {
- var GoToDefinition;
- (function (GoToDefinition) {
- function getDefinitionAtPosition(program, sourceFile, position) {
- var reference = getReferenceAtPosition(sourceFile, position, program);
- if (reference) {
- return [getDefinitionInfoForFileReference(reference.fileName, reference.file.fileName)];
- }
- var node = ts.getTouchingPropertyName(sourceFile, position);
- if (node === sourceFile) {
- return undefined;
- }
- var parent = node.parent;
- var typeChecker = program.getTypeChecker();
- // Labels
- if (ts.isJumpStatementTarget(node)) {
- var label = ts.getTargetLabel(node.parent, node.text);
- return label ? [createDefinitionInfoFromName(typeChecker, label, "label" /* label */, node.text, /*containerName*/ undefined)] : undefined; // TODO: GH#18217
- }
- var symbol = getSymbol(node, typeChecker);
- // Could not find a symbol e.g. node is string or number keyword,
- // or the symbol was an internal symbol and does not have a declaration e.g. undefined symbol
- if (!symbol) {
- return getDefinitionInfoForIndexSignatures(node, typeChecker);
- }
- var calledDeclaration = tryGetSignatureDeclaration(typeChecker, node);
- // Don't go to the component constructor definition for a JSX element, just go to the component definition.
- if (calledDeclaration && !(ts.isJsxOpeningLikeElement(node.parent) && isConstructorLike(calledDeclaration))) {
- var sigInfo = createDefinitionFromSignatureDeclaration(typeChecker, calledDeclaration);
- // For a function, if this is the original function definition, return just sigInfo.
- // If this is the original constructor definition, parent is the class.
- if (typeChecker.getRootSymbols(symbol).some(function (s) { return symbolMatchesSignature(s, calledDeclaration); }) ||
- // TODO: GH#25533 Following check shouldn't be necessary if 'require' is an alias
- symbol.declarations && symbol.declarations.some(function (d) { return ts.isVariableDeclaration(d) && !!d.initializer && ts.isRequireCall(d.initializer, /*checkArgumentIsStringLiteralLike*/ false); })) {
- return [sigInfo];
- }
- else {
- var defs = getDefinitionFromSymbol(typeChecker, symbol, node, calledDeclaration) || ts.emptyArray;
- // For a 'super()' call, put the signature first, else put the variable first.
- return node.kind === 102 /* SuperKeyword */ ? __spreadArrays([sigInfo], defs) : __spreadArrays(defs, [sigInfo]);
- }
- }
- // Because name in short-hand property assignment has two different meanings: property name and property value,
- // using go-to-definition at such position should go to the variable declaration of the property value rather than
- // go to the declaration of the property name (in this case stay at the same position). However, if go-to-definition
- // is performed at the location of property access, we would like to go to definition of the property in the short-hand
- // assignment. This case and others are handled by the following code.
- if (node.parent.kind === 282 /* ShorthandPropertyAssignment */) {
- var shorthandSymbol_1 = typeChecker.getShorthandAssignmentValueSymbol(symbol.valueDeclaration);
- return shorthandSymbol_1 ? shorthandSymbol_1.declarations.map(function (decl) { return createDefinitionInfo(decl, typeChecker, shorthandSymbol_1, node); }) : [];
- }
- // If the node is the name of a BindingElement within an ObjectBindingPattern instead of just returning the
- // declaration the symbol (which is itself), we should try to get to the original type of the ObjectBindingPattern
- // and return the property declaration for the referenced property.
- // For example:
- // import('./foo').then(({ b/*goto*/ar }) => undefined); => should get use to the declaration in file "./foo"
- //
- // function bar<T>(onfulfilled: (value: T) => void) { //....}
- // interface Test {
- // pr/*destination*/op1: number
- // }
- // bar<Test>(({pr/*goto*/op1})=>{});
- if (ts.isPropertyName(node) && ts.isBindingElement(parent) && ts.isObjectBindingPattern(parent.parent) &&
- (node === (parent.propertyName || parent.name))) {
- var name_3 = ts.getNameFromPropertyName(node);
- var type = typeChecker.getTypeAtLocation(parent.parent);
- return name_3 === undefined ? ts.emptyArray : ts.flatMap(type.isUnion() ? type.types : [type], function (t) {
- var prop = t.getProperty(name_3);
- return prop && getDefinitionFromSymbol(typeChecker, prop, node);
- });
- }
- // If the current location we want to find its definition is in an object literal, try to get the contextual type for the
- // object literal, lookup the property symbol in the contextual type, and use this for goto-definition.
- // For example
- // interface Props{
- // /*first*/prop1: number
- // prop2: boolean
- // }
- // function Foo(arg: Props) {}
- // Foo( { pr/*1*/op1: 10, prop2: true })
- var element = ts.getContainingObjectLiteralElement(node);
- if (element) {
- var contextualType = element && typeChecker.getContextualType(element.parent);
- if (contextualType) {
- return ts.flatMap(ts.getPropertySymbolsFromContextualType(element, typeChecker, contextualType, /*unionSymbolOk*/ false), function (propertySymbol) {
- return getDefinitionFromSymbol(typeChecker, propertySymbol, node);
- });
- }
- }
- return getDefinitionFromSymbol(typeChecker, symbol, node);
- }
- GoToDefinition.getDefinitionAtPosition = getDefinitionAtPosition;
- /**
- * True if we should not add definitions for both the signature symbol and the definition symbol.
- * True for `const |f = |() => 0`, false for `function |f() {} const |g = f;`.
- */
- function symbolMatchesSignature(s, calledDeclaration) {
- return s === calledDeclaration.symbol || s === calledDeclaration.symbol.parent ||
- !ts.isCallLikeExpression(calledDeclaration.parent) && s === calledDeclaration.parent.symbol;
- }
- function getReferenceAtPosition(sourceFile, position, program) {
- var referencePath = findReferenceInPosition(sourceFile.referencedFiles, position);
- if (referencePath) {
- var file = program.getSourceFileFromReference(sourceFile, referencePath);
- return file && { fileName: referencePath.fileName, file: file };
- }
- var typeReferenceDirective = findReferenceInPosition(sourceFile.typeReferenceDirectives, position);
- if (typeReferenceDirective) {
- var reference = program.getResolvedTypeReferenceDirectives().get(typeReferenceDirective.fileName);
- var file = reference && program.getSourceFile(reference.resolvedFileName); // TODO:GH#18217
- return file && { fileName: typeReferenceDirective.fileName, file: file };
- }
- var libReferenceDirective = findReferenceInPosition(sourceFile.libReferenceDirectives, position);
- if (libReferenceDirective) {
- var file = program.getLibFileFromReference(libReferenceDirective);
- return file && { fileName: libReferenceDirective.fileName, file: file };
- }
- return undefined;
- }
- GoToDefinition.getReferenceAtPosition = getReferenceAtPosition;
- /// Goto type
- function getTypeDefinitionAtPosition(typeChecker, sourceFile, position) {
- var node = ts.getTouchingPropertyName(sourceFile, position);
- if (node === sourceFile) {
- return undefined;
- }
- var symbol = typeChecker.getSymbolAtLocation(node);
- if (!symbol)
- return undefined;
- var typeAtLocation = typeChecker.getTypeOfSymbolAtLocation(symbol, node);
- var returnType = tryGetReturnTypeOfFunction(symbol, typeAtLocation, typeChecker);
- var fromReturnType = returnType && definitionFromType(returnType, typeChecker, node);
- // If a function returns 'void' or some other type with no definition, just return the function definition.
- return fromReturnType && fromReturnType.length !== 0 ? fromReturnType : definitionFromType(typeAtLocation, typeChecker, node);
- }
- GoToDefinition.getTypeDefinitionAtPosition = getTypeDefinitionAtPosition;
- function definitionFromType(type, checker, node) {
- return ts.flatMap(type.isUnion() && !(type.flags & 32 /* Enum */) ? type.types : [type], function (t) {
- return t.symbol && getDefinitionFromSymbol(checker, t.symbol, node);
- });
- }
- function tryGetReturnTypeOfFunction(symbol, type, checker) {
- // If the type is just a function's inferred type,
- // go-to-type should go to the return type instead, since go-to-definition takes you to the function anyway.
- if (type.symbol === symbol ||
- // At `const f = () => {}`, the symbol is `f` and the type symbol is at `() => {}`
- symbol.valueDeclaration && type.symbol && ts.isVariableDeclaration(symbol.valueDeclaration) && symbol.valueDeclaration.initializer === type.symbol.valueDeclaration) {
- var sigs = type.getCallSignatures();
- if (sigs.length === 1)
- return checker.getReturnTypeOfSignature(ts.first(sigs));
- }
- return undefined;
- }
- function getDefinitionAndBoundSpan(program, sourceFile, position) {
- var definitions = getDefinitionAtPosition(program, sourceFile, position);
- if (!definitions || definitions.length === 0) {
- return undefined;
- }
- // Check if position is on triple slash reference.
- var comment = findReferenceInPosition(sourceFile.referencedFiles, position) ||
- findReferenceInPosition(sourceFile.typeReferenceDirectives, position) ||
- findReferenceInPosition(sourceFile.libReferenceDirectives, position);
- if (comment) {
- return { definitions: definitions, textSpan: ts.createTextSpanFromRange(comment) };
- }
- var node = ts.getTouchingPropertyName(sourceFile, position);
- var textSpan = ts.createTextSpan(node.getStart(), node.getWidth());
- return { definitions: definitions, textSpan: textSpan };
- }
- GoToDefinition.getDefinitionAndBoundSpan = getDefinitionAndBoundSpan;
- // At 'x.foo', see if the type of 'x' has an index signature, and if so find its declarations.
- function getDefinitionInfoForIndexSignatures(node, checker) {
- if (!ts.isPropertyAccessExpression(node.parent) || node.parent.name !== node)
- return;
- var type = checker.getTypeAtLocation(node.parent.expression);
- return ts.mapDefined(type.isUnionOrIntersection() ? type.types : [type], function (nonUnionType) {
- var info = checker.getIndexInfoOfType(nonUnionType, 0 /* String */);
- return info && info.declaration && createDefinitionFromSignatureDeclaration(checker, info.declaration);
- });
- }
- function getSymbol(node, checker) {
- var symbol = checker.getSymbolAtLocation(node);
- // If this is an alias, and the request came at the declaration location
- // get the aliased symbol instead. This allows for goto def on an import e.g.
- // import {A, B} from "mod";
- // to jump to the implementation directly.
- if (symbol && symbol.flags & 2097152 /* Alias */ && shouldSkipAlias(node, symbol.declarations[0])) {
- var aliased = checker.getAliasedSymbol(symbol);
- if (aliased.declarations) {
- return aliased;
- }
- }
- if (symbol && ts.isInJSFile(node)) {
- var requireCall = ts.forEach(symbol.declarations, function (d) { return ts.isVariableDeclaration(d) && !!d.initializer && ts.isRequireCall(d.initializer, /*checkArgumentIsStringLiteralLike*/ true) ? d.initializer : undefined; });
- if (requireCall) {
- var moduleSymbol = checker.getSymbolAtLocation(requireCall.arguments[0]);
- if (moduleSymbol) {
- return checker.resolveExternalModuleSymbol(moduleSymbol);
- }
- }
- }
- return symbol;
- }
- // Go to the original declaration for cases:
- //
- // (1) when the aliased symbol was declared in the location(parent).
- // (2) when the aliased symbol is originating from an import.
- //
- function shouldSkipAlias(node, declaration) {
- if (node.kind !== 75 /* Identifier */) {
- return false;
- }
- if (node.parent === declaration) {
- return true;
- }
- switch (declaration.kind) {
- case 255 /* ImportClause */:
- case 253 /* ImportEqualsDeclaration */:
- return true;
- case 258 /* ImportSpecifier */:
- return declaration.parent.kind === 257 /* NamedImports */;
- default:
- return false;
- }
- }
- function getDefinitionFromSymbol(typeChecker, symbol, node, declarationNode) {
- // There are cases when you extend a function by adding properties to it afterwards,
- // we want to strip those extra properties.
- // For deduping purposes, we also want to exclude any declarationNodes if provided.
- var filteredDeclarations = ts.filter(symbol.declarations, function (d) { return d !== declarationNode && (!ts.isAssignmentDeclaration(d) || d === symbol.valueDeclaration); }) || undefined;
- return getConstructSignatureDefinition() || getCallSignatureDefinition() || ts.map(filteredDeclarations, function (declaration) { return createDefinitionInfo(declaration, typeChecker, symbol, node); });
- function getConstructSignatureDefinition() {
- // Applicable only if we are in a new expression, or we are on a constructor declaration
- // and in either case the symbol has a construct signature definition, i.e. class
- if (symbol.flags & 32 /* Class */ && !(symbol.flags & (16 /* Function */ | 3 /* Variable */)) && (ts.isNewExpressionTarget(node) || node.kind === 129 /* ConstructorKeyword */)) {
- var cls = ts.find(filteredDeclarations, ts.isClassLike) || ts.Debug.fail("Expected declaration to have at least one class-like declaration");
- return getSignatureDefinition(cls.members, /*selectConstructors*/ true);
- }
- }
- function getCallSignatureDefinition() {
- return ts.isCallOrNewExpressionTarget(node) || ts.isNameOfFunctionDeclaration(node)
- ? getSignatureDefinition(filteredDeclarations, /*selectConstructors*/ false)
- : undefined;
- }
- function getSignatureDefinition(signatureDeclarations, selectConstructors) {
- if (!signatureDeclarations) {
- return undefined;
- }
- var declarations = signatureDeclarations.filter(selectConstructors ? ts.isConstructorDeclaration : ts.isFunctionLike);
- var declarationsWithBody = declarations.filter(function (d) { return !!d.body; });
- // declarations defined on the global scope can be defined on multiple files. Get all of them.
- return declarations.length
- ? declarationsWithBody.length !== 0
- ? declarationsWithBody.map(function (x) { return createDefinitionInfo(x, typeChecker, symbol, node); })
- : [createDefinitionInfo(ts.last(declarations), typeChecker, symbol, node)]
- : undefined;
- }
- }
- /** Creates a DefinitionInfo from a Declaration, using the declaration's name if possible. */
- function createDefinitionInfo(declaration, checker, symbol, node) {
- var symbolName = checker.symbolToString(symbol); // Do not get scoped name, just the name of the symbol
- var symbolKind = ts.SymbolDisplay.getSymbolKind(checker, symbol, node);
- var containerName = symbol.parent ? checker.symbolToString(symbol.parent, node) : "";
- return createDefinitionInfoFromName(checker, declaration, symbolKind, symbolName, containerName);
- }
- /** Creates a DefinitionInfo directly from the name of a declaration. */
- function createDefinitionInfoFromName(checker, declaration, symbolKind, symbolName, containerName) {
- var name = ts.getNameOfDeclaration(declaration) || declaration;
- var sourceFile = name.getSourceFile();
- var textSpan = ts.createTextSpanFromNode(name, sourceFile);
- return __assign(__assign({ fileName: sourceFile.fileName, textSpan: textSpan, kind: symbolKind, name: symbolName, containerKind: undefined, // TODO: GH#18217
- containerName: containerName }, ts.FindAllReferences.toContextSpan(textSpan, sourceFile, ts.FindAllReferences.getContextNode(declaration))), { isLocal: !checker.isDeclarationVisible(declaration) });
- }
- function createDefinitionFromSignatureDeclaration(typeChecker, decl) {
- return createDefinitionInfo(decl, typeChecker, decl.symbol, decl);
- }
- function findReferenceInPosition(refs, pos) {
- return ts.find(refs, function (ref) { return ts.textRangeContainsPositionInclusive(ref, pos); });
- }
- GoToDefinition.findReferenceInPosition = findReferenceInPosition;
- function getDefinitionInfoForFileReference(name, targetFileName) {
- return {
- fileName: targetFileName,
- textSpan: ts.createTextSpanFromBounds(0, 0),
- kind: "script" /* scriptElement */,
- name: name,
- containerName: undefined,
- containerKind: undefined,
- };
- }
- /** Returns a CallLikeExpression where `node` is the target being invoked. */
- function getAncestorCallLikeExpression(node) {
- var target = climbPastManyPropertyAccesses(node);
- var callLike = target.parent;
- return callLike && ts.isCallLikeExpression(callLike) && ts.getInvokedExpression(callLike) === target ? callLike : undefined;
- }
- function climbPastManyPropertyAccesses(node) {
- return ts.isRightSideOfPropertyAccess(node) ? climbPastManyPropertyAccesses(node.parent) : node;
- }
- function tryGetSignatureDeclaration(typeChecker, node) {
- var callLike = getAncestorCallLikeExpression(node);
- var signature = callLike && typeChecker.getResolvedSignature(callLike);
- // Don't go to a function type, go to the value having that type.
- return ts.tryCast(signature && signature.declaration, function (d) { return ts.isFunctionLike(d) && !ts.isFunctionTypeNode(d); });
- }
- function isConstructorLike(node) {
- switch (node.kind) {
- case 162 /* Constructor */:
- case 171 /* ConstructorType */:
- case 166 /* ConstructSignature */:
- return true;
- default:
- return false;
- }
- }
- })(GoToDefinition = ts.GoToDefinition || (ts.GoToDefinition = {}));
-})(ts || (ts = {}));
-/* @internal */
-var ts;
-(function (ts) {
- var JsDoc;
- (function (JsDoc) {
- var jsDocTagNames = [
- "abstract",
- "access",
- "alias",
- "argument",
- "async",
- "augments",
- "author",
- "borrows",
- "callback",
- "class",
- "classdesc",
- "constant",
- "constructor",
- "constructs",
- "copyright",
- "default",
- "deprecated",
- "description",
- "emits",
- "enum",
- "event",
- "example",
- "exports",
- "extends",
- "external",
- "field",
- "file",
- "fileoverview",
- "fires",
- "function",
- "generator",
- "global",
- "hideconstructor",
- "host",
- "ignore",
- "implements",
- "inheritdoc",
- "inner",
- "instance",
- "interface",
- "kind",
- "lends",
- "license",
- "listens",
- "member",
- "memberof",
- "method",
- "mixes",
- "module",
- "name",
- "namespace",
- "override",
- "package",
- "param",
- "private",
- "property",
- "protected",
- "public",
- "readonly",
- "requires",
- "returns",
- "see",
- "since",
- "static",
- "summary",
- "template",
- "this",
- "throws",
- "todo",
- "tutorial",
- "type",
- "typedef",
- "var",
- "variation",
- "version",
- "virtual",
- "yields"
- ];
- var jsDocTagNameCompletionEntries;
- var jsDocTagCompletionEntries;
- function getJsDocCommentsFromDeclarations(declarations) {
- // Only collect doc comments from duplicate declarations once:
- // In case of a union property there might be same declaration multiple times
- // which only varies in type parameter
- // Eg. const a: Array<string> | Array<number>; a.length
- // The property length will have two declarations of property length coming
- // from Array<T> - Array<string> and Array<number>
- var documentationComment = [];
- ts.forEachUnique(declarations, function (declaration) {
- for (var _i = 0, _a = getCommentHavingNodes(declaration); _i < _a.length; _i++) {
- var comment = _a[_i].comment;
- if (comment === undefined)
- continue;
- if (documentationComment.length) {
- documentationComment.push(ts.lineBreakPart());
- }
- documentationComment.push(ts.textPart(comment));
- }
- });
- return documentationComment;
- }
- JsDoc.getJsDocCommentsFromDeclarations = getJsDocCommentsFromDeclarations;
- function getCommentHavingNodes(declaration) {
- switch (declaration.kind) {
- case 317 /* JSDocParameterTag */:
- case 323 /* JSDocPropertyTag */:
- return [declaration];
- case 315 /* JSDocCallbackTag */:
- case 322 /* JSDocTypedefTag */:
- return [declaration, declaration.parent];
- default:
- return ts.getJSDocCommentsAndTags(declaration);
- }
- }
- function getJsDocTagsFromDeclarations(declarations) {
- // Only collect doc comments from duplicate declarations once.
- var tags = [];
- ts.forEachUnique(declarations, function (declaration) {
- for (var _i = 0, _a = ts.getJSDocTags(declaration); _i < _a.length; _i++) {
- var tag = _a[_i];
- tags.push({ name: tag.tagName.text, text: getCommentText(tag) });
- }
- });
- return tags;
- }
- JsDoc.getJsDocTagsFromDeclarations = getJsDocTagsFromDeclarations;
- function getCommentText(tag) {
- var comment = tag.comment;
- switch (tag.kind) {
- case 308 /* JSDocImplementsTag */:
- return withNode(tag.class);
- case 307 /* JSDocAugmentsTag */:
- return withNode(tag.class);
- case 321 /* JSDocTemplateTag */:
- return withList(tag.typeParameters);
- case 320 /* JSDocTypeTag */:
- return withNode(tag.typeExpression);
- case 322 /* JSDocTypedefTag */:
- case 315 /* JSDocCallbackTag */:
- case 323 /* JSDocPropertyTag */:
- case 317 /* JSDocParameterTag */:
- var name = tag.name;
- return name ? withNode(name) : comment;
- default:
- return comment;
- }
- function withNode(node) {
- return addComment(node.getText());
- }
- function withList(list) {
- return addComment(list.map(function (x) { return x.getText(); }).join(", "));
- }
- function addComment(s) {
- return comment === undefined ? s : s + " " + comment;
- }
- }
- function getJSDocTagNameCompletions() {
- return jsDocTagNameCompletionEntries || (jsDocTagNameCompletionEntries = ts.map(jsDocTagNames, function (tagName) {
- return {
- name: tagName,
- kind: "keyword" /* keyword */,
- kindModifiers: "",
- sortText: "0",
- };
- }));
- }
- JsDoc.getJSDocTagNameCompletions = getJSDocTagNameCompletions;
- JsDoc.getJSDocTagNameCompletionDetails = getJSDocTagCompletionDetails;
- function getJSDocTagCompletions() {
- return jsDocTagCompletionEntries || (jsDocTagCompletionEntries = ts.map(jsDocTagNames, function (tagName) {
- return {
- name: "@" + tagName,
- kind: "keyword" /* keyword */,
- kindModifiers: "",
- sortText: "0"
- };
- }));
- }
- JsDoc.getJSDocTagCompletions = getJSDocTagCompletions;
- function getJSDocTagCompletionDetails(name) {
- return {
- name: name,
- kind: "" /* unknown */,
- kindModifiers: "",
- displayParts: [ts.textPart(name)],
- documentation: ts.emptyArray,
- tags: undefined,
- codeActions: undefined,
- };
- }
- JsDoc.getJSDocTagCompletionDetails = getJSDocTagCompletionDetails;
- function getJSDocParameterNameCompletions(tag) {
- if (!ts.isIdentifier(tag.name)) {
- return ts.emptyArray;
- }
- var nameThusFar = tag.name.text;
- var jsdoc = tag.parent;
- var fn = jsdoc.parent;
- if (!ts.isFunctionLike(fn))
- return [];
- return ts.mapDefined(fn.parameters, function (param) {
- if (!ts.isIdentifier(param.name))
- return undefined;
- var name = param.name.text;
- if (jsdoc.tags.some(function (t) { return t !== tag && ts.isJSDocParameterTag(t) && ts.isIdentifier(t.name) && t.name.escapedText === name; }) // TODO: GH#18217
- || nameThusFar !== undefined && !ts.startsWith(name, nameThusFar)) {
- return undefined;
- }
- return { name: name, kind: "parameter" /* parameterElement */, kindModifiers: "", sortText: "0" };
- });
- }
- JsDoc.getJSDocParameterNameCompletions = getJSDocParameterNameCompletions;
- function getJSDocParameterNameCompletionDetails(name) {
- return {
- name: name,
- kind: "parameter" /* parameterElement */,
- kindModifiers: "",
- displayParts: [ts.textPart(name)],
- documentation: ts.emptyArray,
- tags: undefined,
- codeActions: undefined,
- };
- }
- JsDoc.getJSDocParameterNameCompletionDetails = getJSDocParameterNameCompletionDetails;
- /**
- * Checks if position points to a valid position to add JSDoc comments, and if so,
- * returns the appropriate template. Otherwise returns an empty string.
- * Valid positions are
- * - outside of comments, statements, and expressions, and
- * - preceding a:
- * - function/constructor/method declaration
- * - class declarations
- * - variable statements
- * - namespace declarations
- * - interface declarations
- * - method signatures
- * - type alias declarations
- *
- * Hosts should ideally check that:
- * - The line is all whitespace up to 'position' before performing the insertion.
- * - If the keystroke sequence "/\*\*" induced the call, we also check that the next
- * non-whitespace character is '*', which (approximately) indicates whether we added
- * the second '*' to complete an existing (JSDoc) comment.
- * @param fileName The file in which to perform the check.
- * @param position The (character-indexed) position in the file where the check should
- * be performed.
- */
- function getDocCommentTemplateAtPosition(newLine, sourceFile, position) {
- var tokenAtPos = ts.getTokenAtPosition(sourceFile, position);
- var existingDocComment = ts.findAncestor(tokenAtPos, ts.isJSDoc);
- if (existingDocComment && (existingDocComment.comment !== undefined || ts.length(existingDocComment.tags))) {
- // Non-empty comment already exists.
- return undefined;
- }
- var tokenStart = tokenAtPos.getStart(sourceFile);
- // Don't provide a doc comment template based on a *previous* node. (But an existing empty jsdoc comment will likely start before `position`.)
- if (!existingDocComment && tokenStart < position) {
- return undefined;
- }
- var commentOwnerInfo = getCommentOwnerInfo(tokenAtPos);
- if (!commentOwnerInfo) {
- return undefined;
- }
- var commentOwner = commentOwnerInfo.commentOwner, parameters = commentOwnerInfo.parameters;
- if (commentOwner.getStart(sourceFile) < position) {
- return undefined;
- }
- if (!parameters || parameters.length === 0) {
- // if there are no parameters, just complete to a single line JSDoc comment
- var singleLineResult = "/** */";
- return { newText: singleLineResult, caretOffset: 3 };
- }
- var indentationStr = getIndentationStringAtPosition(sourceFile, position);
- // A doc comment consists of the following
- // * The opening comment line
- // * the first line (without a param) for the object's untagged info (this is also where the caret ends up)
- // * the '@param'-tagged lines
- // * TODO: other tags.
- // * the closing comment line
- // * if the caret was directly in front of the object, then we add an extra line and indentation.
- var preamble = "/**" + newLine + indentationStr + " * ";
- var result = preamble + newLine +
- parameterDocComments(parameters, ts.hasJSFileExtension(sourceFile.fileName), indentationStr, newLine) +
- indentationStr + " */" +
- (tokenStart === position ? newLine + indentationStr : "");
- return { newText: result, caretOffset: preamble.length };
- }
- JsDoc.getDocCommentTemplateAtPosition = getDocCommentTemplateAtPosition;
- function getIndentationStringAtPosition(sourceFile, position) {
- var text = sourceFile.text;
- var lineStart = ts.getLineStartPositionForPosition(position, sourceFile);
- var pos = lineStart;
- for (; pos <= position && ts.isWhiteSpaceSingleLine(text.charCodeAt(pos)); pos++)
- ;
- return text.slice(lineStart, pos);
- }
- function parameterDocComments(parameters, isJavaScriptFile, indentationStr, newLine) {
- return parameters.map(function (_a, i) {
- var name = _a.name, dotDotDotToken = _a.dotDotDotToken;
- var paramName = name.kind === 75 /* Identifier */ ? name.text : "param" + i;
- var type = isJavaScriptFile ? (dotDotDotToken ? "{...any} " : "{any} ") : "";
- return indentationStr + " * @param " + type + paramName + newLine;
- }).join("");
- }
- function getCommentOwnerInfo(tokenAtPos) {
- return ts.forEachAncestor(tokenAtPos, getCommentOwnerInfoWorker);
- }
- function getCommentOwnerInfoWorker(commentOwner) {
- switch (commentOwner.kind) {
- case 244 /* FunctionDeclaration */:
- case 201 /* FunctionExpression */:
- case 161 /* MethodDeclaration */:
- case 162 /* Constructor */:
- case 160 /* MethodSignature */:
- var parameters = commentOwner.parameters;
- return { commentOwner: commentOwner, parameters: parameters };
- case 281 /* PropertyAssignment */:
- return getCommentOwnerInfoWorker(commentOwner.initializer);
- case 245 /* ClassDeclaration */:
- case 246 /* InterfaceDeclaration */:
- case 158 /* PropertySignature */:
- case 248 /* EnumDeclaration */:
- case 284 /* EnumMember */:
- case 247 /* TypeAliasDeclaration */:
- return { commentOwner: commentOwner };
- case 225 /* VariableStatement */: {
- var varStatement = commentOwner;
- var varDeclarations = varStatement.declarationList.declarations;
- var parameters_1 = varDeclarations.length === 1 && varDeclarations[0].initializer
- ? getParametersFromRightHandSideOfAssignment(varDeclarations[0].initializer)
- : undefined;
- return { commentOwner: commentOwner, parameters: parameters_1 };
- }
- case 290 /* SourceFile */:
- return "quit";
- case 249 /* ModuleDeclaration */:
- // If in walking up the tree, we hit a a nested namespace declaration,
- // then we must be somewhere within a dotted namespace name; however we don't
- // want to give back a JSDoc template for the 'b' or 'c' in 'namespace a.b.c { }'.
- return commentOwner.parent.kind === 249 /* ModuleDeclaration */ ? undefined : { commentOwner: commentOwner };
- case 226 /* ExpressionStatement */:
- return getCommentOwnerInfoWorker(commentOwner.expression);
- case 209 /* BinaryExpression */: {
- var be = commentOwner;
- if (ts.getAssignmentDeclarationKind(be) === 0 /* None */) {
- return "quit";
- }
- var parameters_2 = ts.isFunctionLike(be.right) ? be.right.parameters : ts.emptyArray;
- return { commentOwner: commentOwner, parameters: parameters_2 };
- }
- case 159 /* PropertyDeclaration */:
- var init = commentOwner.initializer;
- if (init && (ts.isFunctionExpression(init) || ts.isArrowFunction(init))) {
- return { commentOwner: commentOwner, parameters: init.parameters };
- }
- }
- }
- /**
- * Digs into an an initializer or RHS operand of an assignment operation
- * to get the parameters of an apt signature corresponding to a
- * function expression or a class expression.
- *
- * @param rightHandSide the expression which may contain an appropriate set of parameters
- * @returns the parameters of a signature found on the RHS if one exists; otherwise 'emptyArray'.
- */
- function getParametersFromRightHandSideOfAssignment(rightHandSide) {
- while (rightHandSide.kind === 200 /* ParenthesizedExpression */) {
- rightHandSide = rightHandSide.expression;
- }
- switch (rightHandSide.kind) {
- case 201 /* FunctionExpression */:
- case 202 /* ArrowFunction */:
- return rightHandSide.parameters;
- case 214 /* ClassExpression */: {
- var ctr = ts.find(rightHandSide.members, ts.isConstructorDeclaration);
- return ctr ? ctr.parameters : ts.emptyArray;
- }
- }
- return ts.emptyArray;
- }
- })(JsDoc = ts.JsDoc || (ts.JsDoc = {}));
-})(ts || (ts = {}));
-/* @internal */
-var ts;
-(function (ts) {
- var NavigateTo;
- (function (NavigateTo) {
- function getNavigateToItems(sourceFiles, checker, cancellationToken, searchValue, maxResultCount, excludeDtsFiles) {
- var patternMatcher = ts.createPatternMatcher(searchValue);
- if (!patternMatcher)
- return ts.emptyArray;
- var rawItems = [];
- var _loop_5 = function (sourceFile) {
- cancellationToken.throwIfCancellationRequested();
- if (excludeDtsFiles && sourceFile.isDeclarationFile) {
- return "continue";
- }
- sourceFile.getNamedDeclarations().forEach(function (declarations, name) {
- getItemsFromNamedDeclaration(patternMatcher, name, declarations, checker, sourceFile.fileName, rawItems);
- });
- };
- // Search the declarations in all files and output matched NavigateToItem into array of NavigateToItem[]
- for (var _i = 0, sourceFiles_4 = sourceFiles; _i < sourceFiles_4.length; _i++) {
- var sourceFile = sourceFiles_4[_i];
- _loop_5(sourceFile);
- }
- rawItems.sort(compareNavigateToItems);
- return (maxResultCount === undefined ? rawItems : rawItems.slice(0, maxResultCount)).map(createNavigateToItem);
- }
- NavigateTo.getNavigateToItems = getNavigateToItems;
- function getItemsFromNamedDeclaration(patternMatcher, name, declarations, checker, fileName, rawItems) {
- // First do a quick check to see if the name of the declaration matches the
- // last portion of the (possibly) dotted name they're searching for.
- var match = patternMatcher.getMatchForLastSegmentOfPattern(name);
- if (!match) {
- return; // continue to next named declarations
- }
- for (var _i = 0, declarations_3 = declarations; _i < declarations_3.length; _i++) {
- var declaration = declarations_3[_i];
- if (!shouldKeepItem(declaration, checker))
- continue;
- if (patternMatcher.patternContainsDots) {
- // If the pattern has dots in it, then also see if the declaration container matches as well.
- var fullMatch = patternMatcher.getFullMatch(getContainers(declaration), name);
- if (fullMatch) {
- rawItems.push({ name: name, fileName: fileName, matchKind: fullMatch.kind, isCaseSensitive: fullMatch.isCaseSensitive, declaration: declaration });
- }
- }
- else {
- rawItems.push({ name: name, fileName: fileName, matchKind: match.kind, isCaseSensitive: match.isCaseSensitive, declaration: declaration });
- }
- }
- }
- function shouldKeepItem(declaration, checker) {
- switch (declaration.kind) {
- case 255 /* ImportClause */:
- case 258 /* ImportSpecifier */:
- case 253 /* ImportEqualsDeclaration */:
- var importer = checker.getSymbolAtLocation(declaration.name); // TODO: GH#18217
- var imported = checker.getAliasedSymbol(importer);
- return importer.escapedName !== imported.escapedName;
- default:
- return true;
- }
- }
- function tryAddSingleDeclarationName(declaration, containers) {
- var name = ts.getNameOfDeclaration(declaration);
- return !!name && (pushLiteral(name, containers) || name.kind === 154 /* ComputedPropertyName */ && tryAddComputedPropertyName(name.expression, containers));
- }
- // Only added the names of computed properties if they're simple dotted expressions, like:
- //
- // [X.Y.Z]() { }
- function tryAddComputedPropertyName(expression, containers) {
- return pushLiteral(expression, containers)
- || ts.isPropertyAccessExpression(expression) && (containers.push(expression.name.text), true) && tryAddComputedPropertyName(expression.expression, containers);
- }
- function pushLiteral(node, containers) {
- return ts.isPropertyNameLiteral(node) && (containers.push(ts.getTextOfIdentifierOrLiteral(node)), true);
- }
- function getContainers(declaration) {
- var containers = [];
- // First, if we started with a computed property name, then add all but the last
- // portion into the container array.
- var name = ts.getNameOfDeclaration(declaration);
- if (name && name.kind === 154 /* ComputedPropertyName */ && !tryAddComputedPropertyName(name.expression, containers)) {
- return ts.emptyArray;
- }
- // Don't include the last portion.
- containers.shift();
- // Now, walk up our containers, adding all their names to the container array.
- var container = ts.getContainerNode(declaration);
- while (container) {
- if (!tryAddSingleDeclarationName(container, containers)) {
- return ts.emptyArray;
- }
- container = ts.getContainerNode(container);
- }
- return containers.reverse();
- }
- function compareNavigateToItems(i1, i2) {
- // TODO(cyrusn): get the gamut of comparisons that VS already uses here.
- return ts.compareValues(i1.matchKind, i2.matchKind)
- || ts.compareStringsCaseSensitiveUI(i1.name, i2.name);
- }
- function createNavigateToItem(rawItem) {
- var declaration = rawItem.declaration;
- var container = ts.getContainerNode(declaration);
- var containerName = container && ts.getNameOfDeclaration(container);
- return {
- name: rawItem.name,
- kind: ts.getNodeKind(declaration),
- kindModifiers: ts.getNodeModifiers(declaration),
- matchKind: ts.PatternMatchKind[rawItem.matchKind],
- isCaseSensitive: rawItem.isCaseSensitive,
- fileName: rawItem.fileName,
- textSpan: ts.createTextSpanFromNode(declaration),
- // TODO(jfreeman): What should be the containerName when the container has a computed name?
- containerName: containerName ? containerName.text : "",
- containerKind: containerName ? ts.getNodeKind(container) : "" /* unknown */,
- };
- }
- })(NavigateTo = ts.NavigateTo || (ts.NavigateTo = {}));
-})(ts || (ts = {}));
-/* @internal */
-var ts;
-(function (ts) {
- var NavigationBar;
- (function (NavigationBar) {
- var _a;
- /**
- * Matches all whitespace characters in a string. Eg:
- *
- * "app.
- *
- * onactivated"
- *
- * matches because of the newline, whereas
- *
- * "app.onactivated"
- *
- * does not match.
- */
- var whiteSpaceRegex = /\s+/g;
- /**
- * Maximum amount of characters to return
- * The amount was chosen arbitrarily.
- */
- var maxLength = 150;
- // Keep sourceFile handy so we don't have to search for it every time we need to call `getText`.
- var curCancellationToken;
- var curSourceFile;
- /**
- * For performance, we keep navigation bar parents on a stack rather than passing them through each recursion.
- * `parent` is the current parent and is *not* stored in parentsStack.
- * `startNode` sets a new parent and `endNode` returns to the previous parent.
- */
- var parentsStack = [];
- var parent;
- var trackedEs5ClassesStack = [];
- var trackedEs5Classes;
- // NavigationBarItem requires an array, but will not mutate it, so just give it this for performance.
- var emptyChildItemArray = [];
- function getNavigationBarItems(sourceFile, cancellationToken) {
- curCancellationToken = cancellationToken;
- curSourceFile = sourceFile;
- try {
- return ts.map(primaryNavBarMenuItems(rootNavigationBarNode(sourceFile)), convertToPrimaryNavBarMenuItem);
- }
- finally {
- reset();
- }
- }
- NavigationBar.getNavigationBarItems = getNavigationBarItems;
- function getNavigationTree(sourceFile, cancellationToken) {
- curCancellationToken = cancellationToken;
- curSourceFile = sourceFile;
- try {
- return convertToTree(rootNavigationBarNode(sourceFile));
- }
- finally {
- reset();
- }
- }
- NavigationBar.getNavigationTree = getNavigationTree;
- function reset() {
- curSourceFile = undefined;
- curCancellationToken = undefined;
- parentsStack = [];
- parent = undefined;
- emptyChildItemArray = [];
- }
- function nodeText(node) {
- return cleanText(node.getText(curSourceFile));
- }
- function navigationBarNodeKind(n) {
- return n.node.kind;
- }
- function pushChild(parent, child) {
- if (parent.children) {
- parent.children.push(child);
- }
- else {
- parent.children = [child];
- }
- }
- function rootNavigationBarNode(sourceFile) {
- ts.Debug.assert(!parentsStack.length);
- var root = { node: sourceFile, name: undefined, additionalNodes: undefined, parent: undefined, children: undefined, indent: 0 };
- parent = root;
- for (var _i = 0, _a = sourceFile.statements; _i < _a.length; _i++) {
- var statement = _a[_i];
- addChildrenRecursively(statement);
- }
- endNode();
- ts.Debug.assert(!parent && !parentsStack.length);
- return root;
- }
- function addLeafNode(node, name) {
- pushChild(parent, emptyNavigationBarNode(node, name));
- }
- function emptyNavigationBarNode(node, name) {
- return {
- node: node,
- name: name || (ts.isDeclaration(node) || ts.isExpression(node) ? ts.getNameOfDeclaration(node) : undefined),
- additionalNodes: undefined,
- parent: parent,
- children: undefined,
- indent: parent.indent + 1
- };
- }
- function addTrackedEs5Class(name) {
- if (!trackedEs5Classes) {
- trackedEs5Classes = ts.createMap();
- }
- trackedEs5Classes.set(name, true);
- }
- function endNestedNodes(depth) {
- for (var i = 0; i < depth; i++)
- endNode();
- }
- function startNestedNodes(targetNode, entityName) {
- var names = [];
- while (!ts.isPropertyNameLiteral(entityName)) {
- var name = ts.getNameOrArgument(entityName);
- var nameText = ts.getElementOrPropertyAccessName(entityName);
- entityName = entityName.expression;
- if (nameText === "prototype" || ts.isPrivateIdentifier(name))
- continue;
- names.push(name);
- }
- names.push(entityName);
- for (var i = names.length - 1; i > 0; i--) {
- var name = names[i];
- startNode(targetNode, name);
- }
- return [names.length - 1, names[0]];
- }
- /**
- * Add a new level of NavigationBarNodes.
- * This pushes to the stack, so you must call `endNode` when you are done adding to this node.
- */
- function startNode(node, name) {
- var navNode = emptyNavigationBarNode(node, name);
- pushChild(parent, navNode);
- // Save the old parent
- parentsStack.push(parent);
- trackedEs5ClassesStack.push(trackedEs5Classes);
- parent = navNode;
- }
- /** Call after calling `startNode` and adding children to it. */
- function endNode() {
- if (parent.children) {
- mergeChildren(parent.children, parent);
- sortChildren(parent.children);
- }
- parent = parentsStack.pop();
- trackedEs5Classes = trackedEs5ClassesStack.pop();
- }
- function addNodeWithRecursiveChild(node, child, name) {
- startNode(node, name);
- addChildrenRecursively(child);
- endNode();
- }
- /** Look for navigation bar items in node's subtree, adding them to the current `parent`. */
- function addChildrenRecursively(node) {
- var _a;
- curCancellationToken.throwIfCancellationRequested();
- if (!node || ts.isToken(node)) {
- return;
- }
- switch (node.kind) {
- case 162 /* Constructor */:
- // Get parameter properties, and treat them as being on the *same* level as the constructor, not under it.
- var ctr = node;
- addNodeWithRecursiveChild(ctr, ctr.body);
- // Parameter properties are children of the class, not the constructor.
- for (var _i = 0, _b = ctr.parameters; _i < _b.length; _i++) {
- var param = _b[_i];
- if (ts.isParameterPropertyDeclaration(param, ctr)) {
- addLeafNode(param);
- }
- }
- break;
- case 161 /* MethodDeclaration */:
- case 163 /* GetAccessor */:
- case 164 /* SetAccessor */:
- case 160 /* MethodSignature */:
- if (!ts.hasDynamicName(node)) {
- addNodeWithRecursiveChild(node, node.body);
- }
- break;
- case 159 /* PropertyDeclaration */:
- case 158 /* PropertySignature */:
- if (!ts.hasDynamicName(node)) {
- addLeafNode(node);
- }
- break;
- case 255 /* ImportClause */:
- var importClause = node;
- // Handle default import case e.g.:
- // import d from "mod";
- if (importClause.name) {
- addLeafNode(importClause.name);
- }
- // Handle named bindings in imports e.g.:
- // import * as NS from "mod";
- // import {a, b as B} from "mod";
- var namedBindings = importClause.namedBindings;
- if (namedBindings) {
- if (namedBindings.kind === 256 /* NamespaceImport */) {
- addLeafNode(namedBindings);
- }
- else {
- for (var _c = 0, _d = namedBindings.elements; _c < _d.length; _c++) {
- var element = _d[_c];
- addLeafNode(element);
- }
- }
- }
- break;
- case 282 /* ShorthandPropertyAssignment */:
- addNodeWithRecursiveChild(node, node.name);
- break;
- case 283 /* SpreadAssignment */:
- var expression = node.expression;
- // Use the expression as the name of the SpreadAssignment, otherwise show as <unknown>.
- ts.isIdentifier(expression) ? addLeafNode(node, expression) : addLeafNode(node);
- break;
- case 191 /* BindingElement */:
- case 281 /* PropertyAssignment */:
- case 242 /* VariableDeclaration */:
- var _e = node, name = _e.name, initializer = _e.initializer;
- if (ts.isBindingPattern(name)) {
- addChildrenRecursively(name);
- }
- else if (initializer && isFunctionOrClassExpression(initializer)) {
- // Add a node for the VariableDeclaration, but not for the initializer.
- startNode(node);
- ts.forEachChild(initializer, addChildrenRecursively);
- endNode();
- }
- else {
- addNodeWithRecursiveChild(node, initializer);
- }
- break;
- case 244 /* FunctionDeclaration */:
- var nameNode = node.name;
- // If we see a function declaration track as a possible ES5 class
- if (nameNode && ts.isIdentifier(nameNode)) {
- addTrackedEs5Class(nameNode.text);
- }
- addNodeWithRecursiveChild(node, node.body);
- break;
- case 202 /* ArrowFunction */:
- case 201 /* FunctionExpression */:
- addNodeWithRecursiveChild(node, node.body);
- break;
- case 248 /* EnumDeclaration */:
- startNode(node);
- for (var _f = 0, _g = node.members; _f < _g.length; _f++) {
- var member = _g[_f];
- if (!isComputedProperty(member)) {
- addLeafNode(member);
- }
- }
- endNode();
- break;
- case 245 /* ClassDeclaration */:
- case 214 /* ClassExpression */:
- case 246 /* InterfaceDeclaration */:
- startNode(node);
- for (var _h = 0, _j = node.members; _h < _j.length; _h++) {
- var member = _j[_h];
- addChildrenRecursively(member);
- }
- endNode();
- break;
- case 249 /* ModuleDeclaration */:
- addNodeWithRecursiveChild(node, getInteriorModule(node).body);
- break;
- case 259 /* ExportAssignment */:
- case 263 /* ExportSpecifier */:
- case 253 /* ImportEqualsDeclaration */:
- case 167 /* IndexSignature */:
- case 165 /* CallSignature */:
- case 166 /* ConstructSignature */:
- case 247 /* TypeAliasDeclaration */:
- addLeafNode(node);
- break;
- case 196 /* CallExpression */:
- case 209 /* BinaryExpression */: {
- var special = ts.getAssignmentDeclarationKind(node);
- switch (special) {
- case 1 /* ExportsProperty */:
- case 2 /* ModuleExports */:
- addNodeWithRecursiveChild(node, node.right);
- return;
- case 6 /* Prototype */:
- case 3 /* PrototypeProperty */: {
- var binaryExpression = node;
- var assignmentTarget = binaryExpression.left;
- var prototypeAccess = special === 3 /* PrototypeProperty */ ?
- assignmentTarget.expression :
- assignmentTarget;
- var depth = 0;
- var className = void 0;
- // If we see a prototype assignment, start tracking the target as a class
- // This is only done for simple classes not nested assignments.
- if (ts.isIdentifier(prototypeAccess.expression)) {
- addTrackedEs5Class(prototypeAccess.expression.text);
- className = prototypeAccess.expression;
- }
- else {
- _a = startNestedNodes(binaryExpression, prototypeAccess.expression), depth = _a[0], className = _a[1];
- }
- if (special === 6 /* Prototype */) {
- if (ts.isObjectLiteralExpression(binaryExpression.right)) {
- if (binaryExpression.right.properties.length > 0) {
- startNode(binaryExpression, className);
- ts.forEachChild(binaryExpression.right, addChildrenRecursively);
- endNode();
- }
- }
- }
- else if (ts.isFunctionExpression(binaryExpression.right) || ts.isArrowFunction(binaryExpression.right)) {
- addNodeWithRecursiveChild(node, binaryExpression.right, className);
- }
- else {
- startNode(binaryExpression, className);
- addNodeWithRecursiveChild(node, binaryExpression.right, assignmentTarget.name);
- endNode();
- }
- endNestedNodes(depth);
- return;
- }
- case 7 /* ObjectDefinePropertyValue */:
- case 9 /* ObjectDefinePrototypeProperty */: {
- var defineCall = node;
- var className = special === 7 /* ObjectDefinePropertyValue */ ?
- defineCall.arguments[0] :
- defineCall.arguments[0].expression;
- var memberName = defineCall.arguments[1];
- var _k = startNestedNodes(node, className), depth = _k[0], classNameIdentifier = _k[1];
- startNode(node, classNameIdentifier);
- startNode(node, ts.setTextRange(ts.createIdentifier(memberName.text), memberName));
- addChildrenRecursively(node.arguments[2]);
- endNode();
- endNode();
- endNestedNodes(depth);
- return;
- }
- case 5 /* Property */: {
- var binaryExpression = node;
- var assignmentTarget = binaryExpression.left;
- var targetFunction = assignmentTarget.expression;
- if (ts.isIdentifier(targetFunction) && ts.getElementOrPropertyAccessName(assignmentTarget) !== "prototype" &&
- trackedEs5Classes && trackedEs5Classes.has(targetFunction.text)) {
- if (ts.isFunctionExpression(binaryExpression.right) || ts.isArrowFunction(binaryExpression.right)) {
- addNodeWithRecursiveChild(node, binaryExpression.right, targetFunction);
- }
- else if (ts.isBindableStaticAccessExpression(assignmentTarget)) {
- startNode(binaryExpression, targetFunction);
- addNodeWithRecursiveChild(binaryExpression.left, binaryExpression.right, ts.getNameOrArgument(assignmentTarget));
- endNode();
- }
- return;
- }
- break;
- }
- case 4 /* ThisProperty */:
- case 0 /* None */:
- case 8 /* ObjectDefinePropertyExports */:
- break;
- default:
- ts.Debug.assertNever(special);
- }
- }
- // falls through
- default:
- if (ts.hasJSDocNodes(node)) {
- ts.forEach(node.jsDoc, function (jsDoc) {
- ts.forEach(jsDoc.tags, function (tag) {
- if (ts.isJSDocTypeAlias(tag)) {
- addLeafNode(tag);
- }
- });
- });
- }
- ts.forEachChild(node, addChildrenRecursively);
- }
- }
- /** Merge declarations of the same kind. */
- function mergeChildren(children, node) {
- var nameToItems = ts.createMap();
- ts.filterMutate(children, function (child, index) {
- var declName = child.name || ts.getNameOfDeclaration(child.node);
- var name = declName && nodeText(declName);
- if (!name) {
- // Anonymous items are never merged.
- return true;
- }
- var itemsWithSameName = nameToItems.get(name);
- if (!itemsWithSameName) {
- nameToItems.set(name, child);
- return true;
- }
- if (itemsWithSameName instanceof Array) {
- for (var _i = 0, itemsWithSameName_1 = itemsWithSameName; _i < itemsWithSameName_1.length; _i++) {
- var itemWithSameName = itemsWithSameName_1[_i];
- if (tryMerge(itemWithSameName, child, index, node)) {
- return false;
- }
- }
- itemsWithSameName.push(child);
- return true;
- }
- else {
- var itemWithSameName = itemsWithSameName;
- if (tryMerge(itemWithSameName, child, index, node)) {
- return false;
- }
- nameToItems.set(name, [itemWithSameName, child]);
- return true;
- }
- });
- }
- var isEs5ClassMember = (_a = {},
- _a[5 /* Property */] = true,
- _a[3 /* PrototypeProperty */] = true,
- _a[7 /* ObjectDefinePropertyValue */] = true,
- _a[9 /* ObjectDefinePrototypeProperty */] = true,
- _a[0 /* None */] = false,
- _a[1 /* ExportsProperty */] = false,
- _a[2 /* ModuleExports */] = false,
- _a[8 /* ObjectDefinePropertyExports */] = false,
- _a[6 /* Prototype */] = true,
- _a[4 /* ThisProperty */] = false,
- _a);
- function tryMergeEs5Class(a, b, bIndex, parent) {
- function isPossibleConstructor(node) {
- return ts.isFunctionExpression(node) || ts.isFunctionDeclaration(node) || ts.isVariableDeclaration(node);
- }
- var bAssignmentDeclarationKind = ts.isBinaryExpression(b.node) || ts.isCallExpression(b.node) ?
- ts.getAssignmentDeclarationKind(b.node) :
- 0 /* None */;
- var aAssignmentDeclarationKind = ts.isBinaryExpression(a.node) || ts.isCallExpression(a.node) ?
- ts.getAssignmentDeclarationKind(a.node) :
- 0 /* None */;
- // We treat this as an es5 class and merge the nodes in in one of several cases
- if ((isEs5ClassMember[bAssignmentDeclarationKind] && isEs5ClassMember[aAssignmentDeclarationKind]) // merge two class elements
- || (isPossibleConstructor(a.node) && isEs5ClassMember[bAssignmentDeclarationKind]) // ctor function & member
- || (isPossibleConstructor(b.node) && isEs5ClassMember[aAssignmentDeclarationKind]) // member & ctor function
- || (ts.isClassDeclaration(a.node) && isEs5ClassMember[bAssignmentDeclarationKind]) // class (generated) & member
- || (ts.isClassDeclaration(b.node) && isEs5ClassMember[aAssignmentDeclarationKind]) // member & class (generated)
- || (ts.isClassDeclaration(a.node) && isPossibleConstructor(b.node)) // class (generated) & ctor
- || (ts.isClassDeclaration(b.node) && isPossibleConstructor(a.node)) // ctor & class (generated)
- ) {
- var lastANode = a.additionalNodes && ts.lastOrUndefined(a.additionalNodes) || a.node;
- if ((!ts.isClassDeclaration(a.node) && !ts.isClassDeclaration(b.node)) // If neither outline node is a class
- || isPossibleConstructor(a.node) || isPossibleConstructor(b.node) // If either function is a constructor function
- ) {
- var ctorFunction = isPossibleConstructor(a.node) ? a.node :
- isPossibleConstructor(b.node) ? b.node :
- undefined;
- if (ctorFunction !== undefined) {
- var ctorNode = ts.setTextRange(ts.createConstructor(/* decorators */ undefined, /* modifiers */ undefined, [], /* body */ undefined), ctorFunction);
- var ctor = emptyNavigationBarNode(ctorNode);
- ctor.indent = a.indent + 1;
- ctor.children = a.node === ctorFunction ? a.children : b.children;
- a.children = a.node === ctorFunction ? ts.concatenate([ctor], b.children || [b]) : ts.concatenate(a.children || [a], [ctor]);
- }
- else {
- if (a.children || b.children) {
- a.children = ts.concatenate(a.children || [a], b.children || [b]);
- if (a.children) {
- mergeChildren(a.children, a);
- sortChildren(a.children);
- }
- }
- }
- lastANode = a.node = ts.setTextRange(ts.createClassDeclaration(
- /* decorators */ undefined,
- /* modifiers */ undefined, a.name || ts.createIdentifier("__class__"),
- /* typeParameters */ undefined,
- /* heritageClauses */ undefined, []), a.node);
- }
- else {
- a.children = ts.concatenate(a.children, b.children);
- if (a.children) {
- mergeChildren(a.children, a);
- }
- }
- var bNode = b.node;
- // We merge if the outline node previous to b (bIndex - 1) is already part of the current class
- // We do this so that statements between class members that do not generate outline nodes do not split up the class outline:
- // Ex This should produce one outline node C:
- // function C() {}; a = 1; C.prototype.m = function () {}
- // Ex This will produce 3 outline nodes: C, a, C
- // function C() {}; let a = 1; C.prototype.m = function () {}
- if (parent.children[bIndex - 1].node.end === lastANode.end) {
- ts.setTextRange(lastANode, { pos: lastANode.pos, end: bNode.end });
- }
- else {
- if (!a.additionalNodes)
- a.additionalNodes = [];
- a.additionalNodes.push(ts.setTextRange(ts.createClassDeclaration(
- /* decorators */ undefined,
- /* modifiers */ undefined, a.name || ts.createIdentifier("__class__"),
- /* typeParameters */ undefined,
- /* heritageClauses */ undefined, []), b.node));
- }
- return true;
- }
- return bAssignmentDeclarationKind === 0 /* None */ ? false : true;
- }
- function tryMerge(a, b, bIndex, parent) {
- // const v = false as boolean;
- if (tryMergeEs5Class(a, b, bIndex, parent)) {
- return true;
- }
- if (shouldReallyMerge(a.node, b.node, parent)) {
- merge(a, b);
- return true;
- }
- return false;
- }
- /** a and b have the same name, but they may not be mergeable. */
- function shouldReallyMerge(a, b, parent) {
- if (a.kind !== b.kind || a.parent !== b.parent && !(isOwnChild(a, parent) && isOwnChild(b, parent))) {
- return false;
- }
- switch (a.kind) {
- case 159 /* PropertyDeclaration */:
- case 161 /* MethodDeclaration */:
- case 163 /* GetAccessor */:
- case 164 /* SetAccessor */:
- return ts.hasModifier(a, 32 /* Static */) === ts.hasModifier(b, 32 /* Static */);
- case 249 /* ModuleDeclaration */:
- return areSameModule(a, b);
- default:
- return true;
- }
- }
- // We want to merge own children like `I` in in `module A { interface I {} } module A { interface I {} }`
- // We don't want to merge unrelated children like `m` in `const o = { a: { m() {} }, b: { m() {} } };`
- function isOwnChild(n, parent) {
- var par = ts.isModuleBlock(n.parent) ? n.parent.parent : n.parent;
- return par === parent.node || ts.contains(parent.additionalNodes, par);
- }
- // We use 1 NavNode to represent 'A.B.C', but there are multiple source nodes.
- // Only merge module nodes that have the same chain. Don't merge 'A.B.C' with 'A'!
- function areSameModule(a, b) {
- // TODO: GH#18217
- return a.body.kind === b.body.kind && (a.body.kind !== 249 /* ModuleDeclaration */ || areSameModule(a.body, b.body));
- }
- /** Merge source into target. Source should be thrown away after this is called. */
- function merge(target, source) {
- var _a;
- target.additionalNodes = target.additionalNodes || [];
- target.additionalNodes.push(source.node);
- if (source.additionalNodes) {
- (_a = target.additionalNodes).push.apply(_a, source.additionalNodes);
- }
- target.children = ts.concatenate(target.children, source.children);
- if (target.children) {
- mergeChildren(target.children, target);
- sortChildren(target.children);
- }
- }
- /** Recursively ensure that each NavNode's children are in sorted order. */
- function sortChildren(children) {
- children.sort(compareChildren);
- }
- function compareChildren(child1, child2) {
- return ts.compareStringsCaseSensitiveUI(tryGetName(child1.node), tryGetName(child2.node)) // TODO: GH#18217
- || ts.compareValues(navigationBarNodeKind(child1), navigationBarNodeKind(child2));
- }
- /**
- * This differs from getItemName because this is just used for sorting.
- * We only sort nodes by name that have a more-or-less "direct" name, as opposed to `new()` and the like.
- * So `new()` can still come before an `aardvark` method.
- */
- function tryGetName(node) {
- if (node.kind === 249 /* ModuleDeclaration */) {
- return getModuleName(node);
- }
- var declName = ts.getNameOfDeclaration(node);
- if (declName && ts.isPropertyName(declName)) {
- var propertyName = ts.getPropertyNameForPropertyNameNode(declName);
- return propertyName && ts.unescapeLeadingUnderscores(propertyName);
- }
- switch (node.kind) {
- case 201 /* FunctionExpression */:
- case 202 /* ArrowFunction */:
- case 214 /* ClassExpression */:
- return getFunctionOrClassName(node);
- default:
- return undefined;
- }
- }
- function getItemName(node, name) {
- if (node.kind === 249 /* ModuleDeclaration */) {
- return cleanText(getModuleName(node));
- }
- if (name) {
- var text = ts.isIdentifier(name) ? name.text
- : ts.isElementAccessExpression(name) ? "[" + nodeText(name.argumentExpression) + "]"
- : nodeText(name);
- if (text.length > 0) {
- return cleanText(text);
- }
- }
- switch (node.kind) {
- case 290 /* SourceFile */:
- var sourceFile = node;
- return ts.isExternalModule(sourceFile)
- ? "\"" + ts.escapeString(ts.getBaseFileName(ts.removeFileExtension(ts.normalizePath(sourceFile.fileName)))) + "\""
- : "<global>";
- case 259 /* ExportAssignment */:
- return ts.isExportAssignment(node) && node.isExportEquals ? "export=" /* ExportEquals */ : "default" /* Default */;
- case 202 /* ArrowFunction */:
- case 244 /* FunctionDeclaration */:
- case 201 /* FunctionExpression */:
- case 245 /* ClassDeclaration */:
- case 214 /* ClassExpression */:
- if (ts.getModifierFlags(node) & 512 /* Default */) {
- return "default";
- }
- // We may get a string with newlines or other whitespace in the case of an object dereference
- // (eg: "app\n.onactivated"), so we should remove the whitespace for readabiltiy in the
- // navigation bar.
- return getFunctionOrClassName(node);
- case 162 /* Constructor */:
- return "constructor";
- case 166 /* ConstructSignature */:
- return "new()";
- case 165 /* CallSignature */:
- return "()";
- case 167 /* IndexSignature */:
- return "[]";
- default:
- return "<unknown>";
- }
- }
- /** Flattens the NavNode tree to a list of items to appear in the primary navbar menu. */
- function primaryNavBarMenuItems(root) {
- // The primary (middle) navbar menu displays the general code navigation hierarchy, similar to the navtree.
- // The secondary (right) navbar menu displays the child items of whichever primary item is selected.
- // Some less interesting items without their own child navigation items (e.g. a local variable declaration) only show up in the secondary menu.
- var primaryNavBarMenuItems = [];
- function recur(item) {
- if (shouldAppearInPrimaryNavBarMenu(item)) {
- primaryNavBarMenuItems.push(item);
- if (item.children) {
- for (var _i = 0, _a = item.children; _i < _a.length; _i++) {
- var child = _a[_i];
- recur(child);
- }
- }
- }
- }
- recur(root);
- return primaryNavBarMenuItems;
- /** Determines if a node should appear in the primary navbar menu. */
- function shouldAppearInPrimaryNavBarMenu(item) {
- // Items with children should always appear in the primary navbar menu.
- if (item.children) {
- return true;
- }
- // Some nodes are otherwise important enough to always include in the primary navigation menu.
- switch (navigationBarNodeKind(item)) {
- case 245 /* ClassDeclaration */:
- case 214 /* ClassExpression */:
- case 248 /* EnumDeclaration */:
- case 246 /* InterfaceDeclaration */:
- case 249 /* ModuleDeclaration */:
- case 290 /* SourceFile */:
- case 247 /* TypeAliasDeclaration */:
- case 322 /* JSDocTypedefTag */:
- case 315 /* JSDocCallbackTag */:
- return true;
- case 202 /* ArrowFunction */:
- case 244 /* FunctionDeclaration */:
- case 201 /* FunctionExpression */:
- return isTopLevelFunctionDeclaration(item);
- default:
- return false;
- }
- function isTopLevelFunctionDeclaration(item) {
- if (!item.node.body) {
- return false;
- }
- switch (navigationBarNodeKind(item.parent)) {
- case 250 /* ModuleBlock */:
- case 290 /* SourceFile */:
- case 161 /* MethodDeclaration */:
- case 162 /* Constructor */:
- return true;
- default:
- return false;
- }
- }
- }
- }
- function convertToTree(n) {
- return {
- text: getItemName(n.node, n.name),
- kind: ts.getNodeKind(n.node),
- kindModifiers: getModifiers(n.node),
- spans: getSpans(n),
- nameSpan: n.name && getNodeSpan(n.name),
- childItems: ts.map(n.children, convertToTree)
- };
- }
- function convertToPrimaryNavBarMenuItem(n) {
- return {
- text: getItemName(n.node, n.name),
- kind: ts.getNodeKind(n.node),
- kindModifiers: getModifiers(n.node),
- spans: getSpans(n),
- childItems: ts.map(n.children, convertToSecondaryNavBarMenuItem) || emptyChildItemArray,
- indent: n.indent,
- bolded: false,
- grayed: false
- };
- function convertToSecondaryNavBarMenuItem(n) {
- return {
- text: getItemName(n.node, n.name),
- kind: ts.getNodeKind(n.node),
- kindModifiers: ts.getNodeModifiers(n.node),
- spans: getSpans(n),
- childItems: emptyChildItemArray,
- indent: 0,
- bolded: false,
- grayed: false
- };
- }
- }
- function getSpans(n) {
- var spans = [getNodeSpan(n.node)];
- if (n.additionalNodes) {
- for (var _i = 0, _a = n.additionalNodes; _i < _a.length; _i++) {
- var node = _a[_i];
- spans.push(getNodeSpan(node));
- }
- }
- return spans;
- }
- function getModuleName(moduleDeclaration) {
- // We want to maintain quotation marks.
- if (ts.isAmbientModule(moduleDeclaration)) {
- return ts.getTextOfNode(moduleDeclaration.name);
- }
- // Otherwise, we need to aggregate each identifier to build up the qualified name.
- var result = [];
- result.push(ts.getTextOfIdentifierOrLiteral(moduleDeclaration.name));
- while (moduleDeclaration.body && moduleDeclaration.body.kind === 249 /* ModuleDeclaration */) {
- moduleDeclaration = moduleDeclaration.body;
- result.push(ts.getTextOfIdentifierOrLiteral(moduleDeclaration.name));
- }
- return result.join(".");
- }
- /**
- * For 'module A.B.C', we want to get the node for 'C'.
- * We store 'A' as associated with a NavNode, and use getModuleName to traverse down again.
- */
- function getInteriorModule(decl) {
- return decl.body && ts.isModuleDeclaration(decl.body) ? getInteriorModule(decl.body) : decl;
- }
- function isComputedProperty(member) {
- return !member.name || member.name.kind === 154 /* ComputedPropertyName */;
- }
- function getNodeSpan(node) {
- return node.kind === 290 /* SourceFile */ ? ts.createTextSpanFromRange(node) : ts.createTextSpanFromNode(node, curSourceFile);
- }
- function getModifiers(node) {
- if (node.parent && node.parent.kind === 242 /* VariableDeclaration */) {
- node = node.parent;
- }
- return ts.getNodeModifiers(node);
- }
- function getFunctionOrClassName(node) {
- var parent = node.parent;
- if (node.name && ts.getFullWidth(node.name) > 0) {
- return cleanText(ts.declarationNameToString(node.name));
- }
- // See if it is a var initializer. If so, use the var name.
- else if (ts.isVariableDeclaration(parent)) {
- return cleanText(ts.declarationNameToString(parent.name));
- }
- // See if it is of the form "<expr> = function(){...}". If so, use the text from the left-hand side.
- else if (ts.isBinaryExpression(parent) && parent.operatorToken.kind === 62 /* EqualsToken */) {
- return nodeText(parent.left).replace(whiteSpaceRegex, "");
- }
- // See if it is a property assignment, and if so use the property name
- else if (ts.isPropertyAssignment(parent)) {
- return nodeText(parent.name);
- }
- // Default exports are named "default"
- else if (ts.getModifierFlags(node) & 512 /* Default */) {
- return "default";
- }
- else if (ts.isClassLike(node)) {
- return "<class>";
- }
- else if (ts.isCallExpression(parent)) {
- var name = getCalledExpressionName(parent.expression);
- if (name !== undefined) {
- name = cleanText(name);
- if (name.length > maxLength) {
- return name + " callback";
- }
- var args = cleanText(ts.mapDefined(parent.arguments, function (a) { return ts.isStringLiteralLike(a) ? a.getText(curSourceFile) : undefined; }).join(", "));
- return name + "(" + args + ") callback";
- }
- }
- return "<function>";
- }
- // See also 'tryGetPropertyAccessOrIdentifierToString'
- function getCalledExpressionName(expr) {
- if (ts.isIdentifier(expr)) {
- return expr.text;
- }
- else if (ts.isPropertyAccessExpression(expr)) {
- var left = getCalledExpressionName(expr.expression);
- var right = expr.name.text;
- return left === undefined ? right : left + "." + right;
- }
- else {
- return undefined;
- }
- }
- function isFunctionOrClassExpression(node) {
- switch (node.kind) {
- case 202 /* ArrowFunction */:
- case 201 /* FunctionExpression */:
- case 214 /* ClassExpression */:
- return true;
- default:
- return false;
- }
- }
- function cleanText(text) {
- // Truncate to maximum amount of characters as we don't want to do a big replace operation.
- text = text.length > maxLength ? text.substring(0, maxLength) + "..." : text;
- // Replaces ECMAScript line terminators and removes the trailing `\` from each line:
- // \n - Line Feed
- // \r - Carriage Return
- // \u2028 - Line separator
- // \u2029 - Paragraph separator
- return text.replace(/\\?(\r?\n|\r|\u2028|\u2029)/g, "");
- }
- })(NavigationBar = ts.NavigationBar || (ts.NavigationBar = {}));
-})(ts || (ts = {}));
-/* @internal */
-var ts;
-(function (ts) {
- var OrganizeImports;
- (function (OrganizeImports) {
- /**
- * Organize imports by:
- * 1) Removing unused imports
- * 2) Coalescing imports from the same module
- * 3) Sorting imports
- */
- function organizeImports(sourceFile, formatContext, host, program, preferences) {
- var changeTracker = ts.textChanges.ChangeTracker.fromContext({ host: host, formatContext: formatContext, preferences: preferences });
- var coalesceAndOrganizeImports = function (importGroup) { return coalesceImports(removeUnusedImports(importGroup, sourceFile, program)); };
- // All of the old ImportDeclarations in the file, in syntactic order.
- var topLevelImportDecls = sourceFile.statements.filter(ts.isImportDeclaration);
- organizeImportsWorker(topLevelImportDecls, coalesceAndOrganizeImports);
- // All of the old ExportDeclarations in the file, in syntactic order.
- var topLevelExportDecls = sourceFile.statements.filter(ts.isExportDeclaration);
- organizeImportsWorker(topLevelExportDecls, coalesceExports);
- for (var _i = 0, _a = sourceFile.statements.filter(ts.isAmbientModule); _i < _a.length; _i++) {
- var ambientModule = _a[_i];
- if (!ambientModule.body) {
- continue;
- }
- var ambientModuleImportDecls = ambientModule.body.statements.filter(ts.isImportDeclaration);
- organizeImportsWorker(ambientModuleImportDecls, coalesceAndOrganizeImports);
- var ambientModuleExportDecls = ambientModule.body.statements.filter(ts.isExportDeclaration);
- organizeImportsWorker(ambientModuleExportDecls, coalesceExports);
- }
- return changeTracker.getChanges();
- function organizeImportsWorker(oldImportDecls, coalesce) {
- if (ts.length(oldImportDecls) === 0) {
- return;
- }
- // Special case: normally, we'd expect leading and trailing trivia to follow each import
- // around as it's sorted. However, we do not want this to happen for leading trivia
- // on the first import because it is probably the header comment for the file.
- // Consider: we could do a more careful check that this trivia is actually a header,
- // but the consequences of being wrong are very minor.
- ts.suppressLeadingTrivia(oldImportDecls[0]);
- var oldImportGroups = ts.group(oldImportDecls, function (importDecl) { return getExternalModuleName(importDecl.moduleSpecifier); });
- var sortedImportGroups = ts.stableSort(oldImportGroups, function (group1, group2) { return compareModuleSpecifiers(group1[0].moduleSpecifier, group2[0].moduleSpecifier); });
- var newImportDecls = ts.flatMap(sortedImportGroups, function (importGroup) {
- return getExternalModuleName(importGroup[0].moduleSpecifier)
- ? coalesce(importGroup)
- : importGroup;
- });
- // Delete or replace the first import.
- if (newImportDecls.length === 0) {
- changeTracker.delete(sourceFile, oldImportDecls[0]);
- }
- else {
- // Note: Delete the surrounding trivia because it will have been retained in newImportDecls.
- changeTracker.replaceNodeWithNodes(sourceFile, oldImportDecls[0], newImportDecls, {
- leadingTriviaOption: ts.textChanges.LeadingTriviaOption.Exclude,
- trailingTriviaOption: ts.textChanges.TrailingTriviaOption.Include,
- suffix: ts.getNewLineOrDefaultFromHost(host, formatContext.options),
- });
- }
- // Delete any subsequent imports.
- for (var i = 1; i < oldImportDecls.length; i++) {
- changeTracker.deleteNode(sourceFile, oldImportDecls[i]);
- }
- }
- }
- OrganizeImports.organizeImports = organizeImports;
- function removeUnusedImports(oldImports, sourceFile, program) {
- var typeChecker = program.getTypeChecker();
- var jsxNamespace = typeChecker.getJsxNamespace(sourceFile);
- var jsxElementsPresent = !!(sourceFile.transformFlags & 2 /* ContainsJsx */);
- var usedImports = [];
- for (var _i = 0, oldImports_1 = oldImports; _i < oldImports_1.length; _i++) {
- var importDecl = oldImports_1[_i];
- var importClause = importDecl.importClause, moduleSpecifier = importDecl.moduleSpecifier;
- if (!importClause) {
- // Imports without import clauses are assumed to be included for their side effects and are not removed.
- usedImports.push(importDecl);
- continue;
- }
- var name = importClause.name, namedBindings = importClause.namedBindings;
- // Default import
- if (name && !isDeclarationUsed(name)) {
- name = undefined;
- }
- if (namedBindings) {
- if (ts.isNamespaceImport(namedBindings)) {
- // Namespace import
- if (!isDeclarationUsed(namedBindings.name)) {
- namedBindings = undefined;
- }
- }
- else {
- // List of named imports
- var newElements = namedBindings.elements.filter(function (e) { return isDeclarationUsed(e.name); });
- if (newElements.length < namedBindings.elements.length) {
- namedBindings = newElements.length
- ? ts.updateNamedImports(namedBindings, newElements)
- : undefined;
- }
- }
- }
- if (name || namedBindings) {
- usedImports.push(updateImportDeclarationAndClause(importDecl, name, namedBindings));
- }
- // If a module is imported to be augmented, it’s used
- else if (hasModuleDeclarationMatchingSpecifier(sourceFile, moduleSpecifier)) {
- // If we’re in a declaration file, it’s safe to remove the import clause from it
- if (sourceFile.isDeclarationFile) {
- usedImports.push(ts.createImportDeclaration(importDecl.decorators, importDecl.modifiers,
- /*importClause*/ undefined, moduleSpecifier));
- }
- // If we’re not in a declaration file, we can’t remove the import clause even though
- // the imported symbols are unused, because removing them makes it look like the import
- // declaration has side effects, which will cause it to be preserved in the JS emit.
- else {
- usedImports.push(importDecl);
- }
- }
- }
- return usedImports;
- function isDeclarationUsed(identifier) {
- // The JSX factory symbol is always used if JSX elements are present - even if they are not allowed.
- return jsxElementsPresent && (identifier.text === jsxNamespace) || ts.FindAllReferences.Core.isSymbolReferencedInFile(identifier, typeChecker, sourceFile);
- }
- }
- function hasModuleDeclarationMatchingSpecifier(sourceFile, moduleSpecifier) {
- var moduleSpecifierText = ts.isStringLiteral(moduleSpecifier) && moduleSpecifier.text;
- return ts.isString(moduleSpecifierText) && ts.some(sourceFile.moduleAugmentations, function (moduleName) {
- return ts.isStringLiteral(moduleName)
- && moduleName.text === moduleSpecifierText;
- });
- }
- function getExternalModuleName(specifier) {
- return specifier !== undefined && ts.isStringLiteralLike(specifier)
- ? specifier.text
- : undefined;
- }
- // Internal for testing
- /**
- * @param importGroup a list of ImportDeclarations, all with the same module name.
- */
- function coalesceImports(importGroup) {
- var _a;
- if (importGroup.length === 0) {
- return importGroup;
- }
- var _b = getCategorizedImports(importGroup), importWithoutClause = _b.importWithoutClause, typeOnlyImports = _b.typeOnlyImports, regularImports = _b.regularImports;
- var coalescedImports = [];
- if (importWithoutClause) {
- coalescedImports.push(importWithoutClause);
- }
- for (var _i = 0, _c = [regularImports, typeOnlyImports]; _i < _c.length; _i++) {
- var group_2 = _c[_i];
- var isTypeOnly = group_2 === typeOnlyImports;
- var defaultImports = group_2.defaultImports, namespaceImports = group_2.namespaceImports, namedImports = group_2.namedImports;
- // Normally, we don't combine default and namespace imports, but it would be silly to
- // produce two import declarations in this special case.
- if (!isTypeOnly && defaultImports.length === 1 && namespaceImports.length === 1 && namedImports.length === 0) {
- // Add the namespace import to the existing default ImportDeclaration.
- var defaultImport = defaultImports[0];
- coalescedImports.push(updateImportDeclarationAndClause(defaultImport, defaultImport.importClause.name, namespaceImports[0].importClause.namedBindings)); // TODO: GH#18217
- continue;
- }
- var sortedNamespaceImports = ts.stableSort(namespaceImports, function (i1, i2) {
- return compareIdentifiers(i1.importClause.namedBindings.name, i2.importClause.namedBindings.name);
- }); // TODO: GH#18217
- for (var _d = 0, sortedNamespaceImports_1 = sortedNamespaceImports; _d < sortedNamespaceImports_1.length; _d++) {
- var namespaceImport = sortedNamespaceImports_1[_d];
- // Drop the name, if any
- coalescedImports.push(updateImportDeclarationAndClause(namespaceImport, /*name*/ undefined, namespaceImport.importClause.namedBindings)); // TODO: GH#18217
- }
- if (defaultImports.length === 0 && namedImports.length === 0) {
- continue;
- }
- var newDefaultImport = void 0;
- var newImportSpecifiers = [];
- if (defaultImports.length === 1) {
- newDefaultImport = defaultImports[0].importClause.name;
- }
- else {
- for (var _e = 0, defaultImports_1 = defaultImports; _e < defaultImports_1.length; _e++) {
- var defaultImport = defaultImports_1[_e];
- newImportSpecifiers.push(ts.createImportSpecifier(ts.createIdentifier("default"), defaultImport.importClause.name)); // TODO: GH#18217
- }
- }
- newImportSpecifiers.push.apply(newImportSpecifiers, ts.flatMap(namedImports, function (i) { return i.importClause.namedBindings.elements; })); // TODO: GH#18217
- var sortedImportSpecifiers = sortSpecifiers(newImportSpecifiers);
- var importDecl = defaultImports.length > 0
- ? defaultImports[0]
- : namedImports[0];
- var newNamedImports = sortedImportSpecifiers.length === 0
- ? newDefaultImport
- ? undefined
- : ts.createNamedImports(ts.emptyArray)
- : namedImports.length === 0
- ? ts.createNamedImports(sortedImportSpecifiers)
- : ts.updateNamedImports(namedImports[0].importClause.namedBindings, sortedImportSpecifiers); // TODO: GH#18217
- // Type-only imports are not allowed to mix default, namespace, and named imports in any combination.
- // We could rewrite a default import as a named import (`import { default as name }`), but we currently
- // choose not to as a stylistic preference.
- if (isTypeOnly && newDefaultImport && newNamedImports) {
- coalescedImports.push(updateImportDeclarationAndClause(importDecl, newDefaultImport, /*namedBindings*/ undefined));
- coalescedImports.push(updateImportDeclarationAndClause((_a = namedImports[0]) !== null && _a !== void 0 ? _a : importDecl, /*name*/ undefined, newNamedImports));
- }
- else {
- coalescedImports.push(updateImportDeclarationAndClause(importDecl, newDefaultImport, newNamedImports));
- }
- }
- return coalescedImports;
- }
- OrganizeImports.coalesceImports = coalesceImports;
- /*
- * Returns entire import declarations because they may already have been rewritten and
- * may lack parent pointers. The desired parts can easily be recovered based on the
- * categorization.
- *
- * NB: There may be overlap between `defaultImports` and `namespaceImports`/`namedImports`.
- */
- function getCategorizedImports(importGroup) {
- var importWithoutClause;
- var typeOnlyImports = { defaultImports: [], namespaceImports: [], namedImports: [] };
- var regularImports = { defaultImports: [], namespaceImports: [], namedImports: [] };
- for (var _i = 0, importGroup_1 = importGroup; _i < importGroup_1.length; _i++) {
- var importDeclaration = importGroup_1[_i];
- if (importDeclaration.importClause === undefined) {
- // Only the first such import is interesting - the others are redundant.
- // Note: Unfortunately, we will lose trivia that was on this node.
- importWithoutClause = importWithoutClause || importDeclaration;
- continue;
- }
- var group_3 = importDeclaration.importClause.isTypeOnly ? typeOnlyImports : regularImports;
- var _a = importDeclaration.importClause, name = _a.name, namedBindings = _a.namedBindings;
- if (name) {
- group_3.defaultImports.push(importDeclaration);
- }
- if (namedBindings) {
- if (ts.isNamespaceImport(namedBindings)) {
- group_3.namespaceImports.push(importDeclaration);
- }
- else {
- group_3.namedImports.push(importDeclaration);
- }
- }
- }
- return {
- importWithoutClause: importWithoutClause,
- typeOnlyImports: typeOnlyImports,
- regularImports: regularImports,
- };
- }
- // Internal for testing
- /**
- * @param exportGroup a list of ExportDeclarations, all with the same module name.
- */
- function coalesceExports(exportGroup) {
- if (exportGroup.length === 0) {
- return exportGroup;
- }
- var _a = getCategorizedExports(exportGroup), exportWithoutClause = _a.exportWithoutClause, namedExports = _a.namedExports, typeOnlyExports = _a.typeOnlyExports;
- var coalescedExports = [];
- if (exportWithoutClause) {
- coalescedExports.push(exportWithoutClause);
- }
- for (var _i = 0, _b = [namedExports, typeOnlyExports]; _i < _b.length; _i++) {
- var exportGroup_1 = _b[_i];
- if (exportGroup_1.length === 0) {
- continue;
- }
- var newExportSpecifiers = [];
- newExportSpecifiers.push.apply(newExportSpecifiers, ts.flatMap(exportGroup_1, function (i) { return i.exportClause && ts.isNamedExports(i.exportClause) ? i.exportClause.elements : ts.emptyArray; }));
- var sortedExportSpecifiers = sortSpecifiers(newExportSpecifiers);
- var exportDecl = exportGroup_1[0];
- coalescedExports.push(ts.updateExportDeclaration(exportDecl, exportDecl.decorators, exportDecl.modifiers, exportDecl.exportClause && (ts.isNamedExports(exportDecl.exportClause) ?
- ts.updateNamedExports(exportDecl.exportClause, sortedExportSpecifiers) :
- ts.updateNamespaceExport(exportDecl.exportClause, exportDecl.exportClause.name)), exportDecl.moduleSpecifier, exportDecl.isTypeOnly));
- }
- return coalescedExports;
- /*
- * Returns entire export declarations because they may already have been rewritten and
- * may lack parent pointers. The desired parts can easily be recovered based on the
- * categorization.
- */
- function getCategorizedExports(exportGroup) {
- var exportWithoutClause;
- var namedExports = [];
- var typeOnlyExports = [];
- for (var _i = 0, exportGroup_2 = exportGroup; _i < exportGroup_2.length; _i++) {
- var exportDeclaration = exportGroup_2[_i];
- if (exportDeclaration.exportClause === undefined) {
- // Only the first such export is interesting - the others are redundant.
- // Note: Unfortunately, we will lose trivia that was on this node.
- exportWithoutClause = exportWithoutClause || exportDeclaration;
- }
- else if (exportDeclaration.isTypeOnly) {
- typeOnlyExports.push(exportDeclaration);
- }
- else {
- namedExports.push(exportDeclaration);
- }
- }
- return {
- exportWithoutClause: exportWithoutClause,
- namedExports: namedExports,
- typeOnlyExports: typeOnlyExports,
- };
- }
- }
- OrganizeImports.coalesceExports = coalesceExports;
- function updateImportDeclarationAndClause(importDeclaration, name, namedBindings) {
- return ts.updateImportDeclaration(importDeclaration, importDeclaration.decorators, importDeclaration.modifiers, ts.updateImportClause(importDeclaration.importClause, name, namedBindings, importDeclaration.importClause.isTypeOnly), // TODO: GH#18217
- importDeclaration.moduleSpecifier);
- }
- function sortSpecifiers(specifiers) {
- return ts.stableSort(specifiers, function (s1, s2) {
- return compareIdentifiers(s1.propertyName || s1.name, s2.propertyName || s2.name) ||
- compareIdentifiers(s1.name, s2.name);
- });
- }
- /* internal */ // Exported for testing
- function compareModuleSpecifiers(m1, m2) {
- var name1 = getExternalModuleName(m1);
- var name2 = getExternalModuleName(m2);
- return ts.compareBooleans(name1 === undefined, name2 === undefined) ||
- ts.compareBooleans(ts.isExternalModuleNameRelative(name1), ts.isExternalModuleNameRelative(name2)) ||
- ts.compareStringsCaseInsensitive(name1, name2);
- }
- OrganizeImports.compareModuleSpecifiers = compareModuleSpecifiers;
- function compareIdentifiers(s1, s2) {
- return ts.compareStringsCaseInsensitive(s1.text, s2.text);
- }
- })(OrganizeImports = ts.OrganizeImports || (ts.OrganizeImports = {}));
-})(ts || (ts = {}));
-/* @internal */
-var ts;
-(function (ts) {
- var OutliningElementsCollector;
- (function (OutliningElementsCollector) {
- function collectElements(sourceFile, cancellationToken) {
- var res = [];
- addNodeOutliningSpans(sourceFile, cancellationToken, res);
- addRegionOutliningSpans(sourceFile, res);
- return res.sort(function (span1, span2) { return span1.textSpan.start - span2.textSpan.start; });
- }
- OutliningElementsCollector.collectElements = collectElements;
- function addNodeOutliningSpans(sourceFile, cancellationToken, out) {
- var depthRemaining = 40;
- var current = 0;
- // Includes the EOF Token so that comments which aren't attached to statements are included
- var statements = __spreadArrays(sourceFile.statements, [sourceFile.endOfFileToken]);
- var n = statements.length;
- while (current < n) {
- while (current < n && !ts.isAnyImportSyntax(statements[current])) {
- visitNonImportNode(statements[current]);
- current++;
- }
- if (current === n)
- break;
- var firstImport = current;
- while (current < n && ts.isAnyImportSyntax(statements[current])) {
- addOutliningForLeadingCommentsForNode(statements[current], sourceFile, cancellationToken, out);
- current++;
- }
- var lastImport = current - 1;
- if (lastImport !== firstImport) {
- out.push(createOutliningSpanFromBounds(ts.findChildOfKind(statements[firstImport], 96 /* ImportKeyword */, sourceFile).getStart(sourceFile), statements[lastImport].getEnd(), "imports" /* Imports */));
- }
- }
- function visitNonImportNode(n) {
- var _a;
- if (depthRemaining === 0)
- return;
- cancellationToken.throwIfCancellationRequested();
- if (ts.isDeclaration(n) || n.kind === 1 /* EndOfFileToken */) {
- addOutliningForLeadingCommentsForNode(n, sourceFile, cancellationToken, out);
- }
- if (isFunctionExpressionAssignedToVariable(n)) {
- addOutliningForLeadingCommentsForNode(n.parent.parent.parent, sourceFile, cancellationToken, out);
- }
- var span = getOutliningSpanForNode(n, sourceFile);
- if (span)
- out.push(span);
- depthRemaining--;
- if (ts.isCallExpression(n)) {
- depthRemaining++;
- visitNonImportNode(n.expression);
- depthRemaining--;
- n.arguments.forEach(visitNonImportNode);
- (_a = n.typeArguments) === null || _a === void 0 ? void 0 : _a.forEach(visitNonImportNode);
- }
- else if (ts.isIfStatement(n) && n.elseStatement && ts.isIfStatement(n.elseStatement)) {
- // Consider an 'else if' to be on the same depth as the 'if'.
- visitNonImportNode(n.expression);
- visitNonImportNode(n.thenStatement);
- depthRemaining++;
- visitNonImportNode(n.elseStatement);
- depthRemaining--;
- }
- else {
- n.forEachChild(visitNonImportNode);
- }
- depthRemaining++;
- }
- function isFunctionExpressionAssignedToVariable(n) {
- if (!ts.isFunctionExpression(n) && !ts.isArrowFunction(n)) {
- return false;
- }
- var ancestor = ts.findAncestor(n, ts.isVariableStatement);
- return !!ancestor && ts.getSingleInitializerOfVariableStatementOrPropertyDeclaration(ancestor) === n;
- }
- }
- function addRegionOutliningSpans(sourceFile, out) {
- var regions = [];
- var lineStarts = sourceFile.getLineStarts();
- for (var _i = 0, lineStarts_1 = lineStarts; _i < lineStarts_1.length; _i++) {
- var currentLineStart = lineStarts_1[_i];
- var lineEnd = sourceFile.getLineEndOfPosition(currentLineStart);
- var lineText = sourceFile.text.substring(currentLineStart, lineEnd);
- var result = isRegionDelimiter(lineText);
- if (!result || ts.isInComment(sourceFile, currentLineStart)) {
- continue;
- }
- if (!result[1]) {
- var span = ts.createTextSpanFromBounds(sourceFile.text.indexOf("//", currentLineStart), lineEnd);
- regions.push(createOutliningSpan(span, "region" /* Region */, span, /*autoCollapse*/ false, result[2] || "#region"));
- }
- else {
- var region = regions.pop();
- if (region) {
- region.textSpan.length = lineEnd - region.textSpan.start;
- region.hintSpan.length = lineEnd - region.textSpan.start;
- out.push(region);
- }
- }
- }
- }
- var regionDelimiterRegExp = /^\s*\/\/\s*#(end)?region(?:\s+(.*))?(?:\r)?$/;
- function isRegionDelimiter(lineText) {
- return regionDelimiterRegExp.exec(lineText);
- }
- function addOutliningForLeadingCommentsForNode(n, sourceFile, cancellationToken, out) {
- var comments = ts.getLeadingCommentRangesOfNode(n, sourceFile);
- if (!comments)
- return;
- var firstSingleLineCommentStart = -1;
- var lastSingleLineCommentEnd = -1;
- var singleLineCommentCount = 0;
- var sourceText = sourceFile.getFullText();
- for (var _i = 0, comments_1 = comments; _i < comments_1.length; _i++) {
- var _a = comments_1[_i], kind = _a.kind, pos = _a.pos, end = _a.end;
- cancellationToken.throwIfCancellationRequested();
- switch (kind) {
- case 2 /* SingleLineCommentTrivia */:
- // never fold region delimiters into single-line comment regions
- var commentText = sourceText.slice(pos, end);
- if (isRegionDelimiter(commentText)) {
- combineAndAddMultipleSingleLineComments();
- singleLineCommentCount = 0;
- break;
- }
- // For single line comments, combine consecutive ones (2 or more) into
- // a single span from the start of the first till the end of the last
- if (singleLineCommentCount === 0) {
- firstSingleLineCommentStart = pos;
- }
- lastSingleLineCommentEnd = end;
- singleLineCommentCount++;
- break;
- case 3 /* MultiLineCommentTrivia */:
- combineAndAddMultipleSingleLineComments();
- out.push(createOutliningSpanFromBounds(pos, end, "comment" /* Comment */));
- singleLineCommentCount = 0;
- break;
- default:
- ts.Debug.assertNever(kind);
- }
- }
- combineAndAddMultipleSingleLineComments();
- function combineAndAddMultipleSingleLineComments() {
- // Only outline spans of two or more consecutive single line comments
- if (singleLineCommentCount > 1) {
- out.push(createOutliningSpanFromBounds(firstSingleLineCommentStart, lastSingleLineCommentEnd, "comment" /* Comment */));
- }
- }
- }
- function createOutliningSpanFromBounds(pos, end, kind) {
- return createOutliningSpan(ts.createTextSpanFromBounds(pos, end), kind);
- }
- function getOutliningSpanForNode(n, sourceFile) {
- switch (n.kind) {
- case 223 /* Block */:
- if (ts.isFunctionLike(n.parent)) {
- return functionSpan(n.parent, n, sourceFile);
- }
- // Check if the block is standalone, or 'attached' to some parent statement.
- // If the latter, we want to collapse the block, but consider its hint span
- // to be the entire span of the parent.
- switch (n.parent.kind) {
- case 228 /* DoStatement */:
- case 231 /* ForInStatement */:
- case 232 /* ForOfStatement */:
- case 230 /* ForStatement */:
- case 227 /* IfStatement */:
- case 229 /* WhileStatement */:
- case 236 /* WithStatement */:
- case 280 /* CatchClause */:
- return spanForNode(n.parent);
- case 240 /* TryStatement */:
- // Could be the try-block, or the finally-block.
- var tryStatement = n.parent;
- if (tryStatement.tryBlock === n) {
- return spanForNode(n.parent);
- }
- else if (tryStatement.finallyBlock === n) {
- var node = ts.findChildOfKind(tryStatement, 92 /* FinallyKeyword */, sourceFile);
- if (node)
- return spanForNode(node);
- }
- // falls through
- default:
- // Block was a standalone block. In this case we want to only collapse
- // the span of the block, independent of any parent span.
- return createOutliningSpan(ts.createTextSpanFromNode(n, sourceFile), "code" /* Code */);
- }
- case 250 /* ModuleBlock */:
- return spanForNode(n.parent);
- case 245 /* ClassDeclaration */:
- case 214 /* ClassExpression */:
- case 246 /* InterfaceDeclaration */:
- case 248 /* EnumDeclaration */:
- case 251 /* CaseBlock */:
- case 173 /* TypeLiteral */:
- return spanForNode(n);
- case 277 /* CaseClause */:
- case 278 /* DefaultClause */:
- return spanForNodeArray(n.statements);
- case 193 /* ObjectLiteralExpression */:
- return spanForObjectOrArrayLiteral(n);
- case 192 /* ArrayLiteralExpression */:
- return spanForObjectOrArrayLiteral(n, 22 /* OpenBracketToken */);
- case 266 /* JsxElement */:
- return spanForJSXElement(n);
- case 270 /* JsxFragment */:
- return spanForJSXFragment(n);
- case 267 /* JsxSelfClosingElement */:
- case 268 /* JsxOpeningElement */:
- return spanForJSXAttributes(n.attributes);
- case 211 /* TemplateExpression */:
- case 14 /* NoSubstitutionTemplateLiteral */:
- return spanForTemplateLiteral(n);
- }
- function spanForJSXElement(node) {
- var textSpan = ts.createTextSpanFromBounds(node.openingElement.getStart(sourceFile), node.closingElement.getEnd());
- var tagName = node.openingElement.tagName.getText(sourceFile);
- var bannerText = "<" + tagName + ">...</" + tagName + ">";
- return createOutliningSpan(textSpan, "code" /* Code */, textSpan, /*autoCollapse*/ false, bannerText);
- }
- function spanForJSXFragment(node) {
- var textSpan = ts.createTextSpanFromBounds(node.openingFragment.getStart(sourceFile), node.closingFragment.getEnd());
- var bannerText = "<>...</>";
- return createOutliningSpan(textSpan, "code" /* Code */, textSpan, /*autoCollapse*/ false, bannerText);
- }
- function spanForJSXAttributes(node) {
- if (node.properties.length === 0) {
- return undefined;
- }
- return createOutliningSpanFromBounds(node.getStart(sourceFile), node.getEnd(), "code" /* Code */);
- }
- function spanForTemplateLiteral(node) {
- if (node.kind === 14 /* NoSubstitutionTemplateLiteral */ && node.text.length === 0) {
- return undefined;
- }
- return createOutliningSpanFromBounds(node.getStart(sourceFile), node.getEnd(), "code" /* Code */);
- }
- function spanForObjectOrArrayLiteral(node, open) {
- if (open === void 0) { open = 18 /* OpenBraceToken */; }
- // If the block has no leading keywords and is inside an array literal or call expression,
- // we only want to collapse the span of the block.
- // Otherwise, the collapsed section will include the end of the previous line.
- return spanForNode(node, /*autoCollapse*/ false, /*useFullStart*/ !ts.isArrayLiteralExpression(node.parent) && !ts.isCallExpression(node.parent), open);
- }
- function spanForNode(hintSpanNode, autoCollapse, useFullStart, open, close) {
- if (autoCollapse === void 0) { autoCollapse = false; }
- if (useFullStart === void 0) { useFullStart = true; }
- if (open === void 0) { open = 18 /* OpenBraceToken */; }
- if (close === void 0) { close = open === 18 /* OpenBraceToken */ ? 19 /* CloseBraceToken */ : 23 /* CloseBracketToken */; }
- var openToken = ts.findChildOfKind(n, open, sourceFile);
- var closeToken = ts.findChildOfKind(n, close, sourceFile);
- return openToken && closeToken && spanBetweenTokens(openToken, closeToken, hintSpanNode, sourceFile, autoCollapse, useFullStart);
- }
- function spanForNodeArray(nodeArray) {
- return nodeArray.length ? createOutliningSpan(ts.createTextSpanFromRange(nodeArray), "code" /* Code */) : undefined;
- }
- }
- function functionSpan(node, body, sourceFile) {
- var openToken = ts.isNodeArrayMultiLine(node.parameters, sourceFile)
- ? ts.findChildOfKind(node, 20 /* OpenParenToken */, sourceFile)
- : ts.findChildOfKind(body, 18 /* OpenBraceToken */, sourceFile);
- var closeToken = ts.findChildOfKind(body, 19 /* CloseBraceToken */, sourceFile);
- return openToken && closeToken && spanBetweenTokens(openToken, closeToken, node, sourceFile, /*autoCollapse*/ node.kind !== 202 /* ArrowFunction */);
- }
- function spanBetweenTokens(openToken, closeToken, hintSpanNode, sourceFile, autoCollapse, useFullStart) {
- if (autoCollapse === void 0) { autoCollapse = false; }
- if (useFullStart === void 0) { useFullStart = true; }
- var textSpan = ts.createTextSpanFromBounds(useFullStart ? openToken.getFullStart() : openToken.getStart(sourceFile), closeToken.getEnd());
- return createOutliningSpan(textSpan, "code" /* Code */, ts.createTextSpanFromNode(hintSpanNode, sourceFile), autoCollapse);
- }
- function createOutliningSpan(textSpan, kind, hintSpan, autoCollapse, bannerText) {
- if (hintSpan === void 0) { hintSpan = textSpan; }
- if (autoCollapse === void 0) { autoCollapse = false; }
- if (bannerText === void 0) { bannerText = "..."; }
- return { textSpan: textSpan, kind: kind, hintSpan: hintSpan, bannerText: bannerText, autoCollapse: autoCollapse };
- }
- })(OutliningElementsCollector = ts.OutliningElementsCollector || (ts.OutliningElementsCollector = {}));
-})(ts || (ts = {}));
-/* @internal */
-var ts;
-(function (ts) {
- // Note(cyrusn): this enum is ordered from strongest match type to weakest match type.
- var PatternMatchKind;
- (function (PatternMatchKind) {
- PatternMatchKind[PatternMatchKind["exact"] = 0] = "exact";
- PatternMatchKind[PatternMatchKind["prefix"] = 1] = "prefix";
- PatternMatchKind[PatternMatchKind["substring"] = 2] = "substring";
- PatternMatchKind[PatternMatchKind["camelCase"] = 3] = "camelCase";
- })(PatternMatchKind = ts.PatternMatchKind || (ts.PatternMatchKind = {}));
- function createPatternMatch(kind, isCaseSensitive) {
- return {
- kind: kind,
- isCaseSensitive: isCaseSensitive
- };
- }
- function createPatternMatcher(pattern) {
- // We'll often see the same candidate string many times when searching (For example, when
- // we see the name of a module that is used everywhere, or the name of an overload). As
- // such, we cache the information we compute about the candidate for the life of this
- // pattern matcher so we don't have to compute it multiple times.
- var stringToWordSpans = ts.createMap();
- var dotSeparatedSegments = pattern.trim().split(".").map(function (p) { return createSegment(p.trim()); });
- // A segment is considered invalid if we couldn't find any words in it.
- if (dotSeparatedSegments.some(function (segment) { return !segment.subWordTextChunks.length; }))
- return undefined;
- return {
- getFullMatch: function (containers, candidate) { return getFullMatch(containers, candidate, dotSeparatedSegments, stringToWordSpans); },
- getMatchForLastSegmentOfPattern: function (candidate) { return matchSegment(candidate, ts.last(dotSeparatedSegments), stringToWordSpans); },
- patternContainsDots: dotSeparatedSegments.length > 1
- };
- }
- ts.createPatternMatcher = createPatternMatcher;
- function getFullMatch(candidateContainers, candidate, dotSeparatedSegments, stringToWordSpans) {
- // First, check that the last part of the dot separated pattern matches the name of the
- // candidate. If not, then there's no point in proceeding and doing the more
- // expensive work.
- var candidateMatch = matchSegment(candidate, ts.last(dotSeparatedSegments), stringToWordSpans);
- if (!candidateMatch) {
- return undefined;
- }
- // -1 because the last part was checked against the name, and only the rest
- // of the parts are checked against the container.
- if (dotSeparatedSegments.length - 1 > candidateContainers.length) {
- // There weren't enough container parts to match against the pattern parts.
- // So this definitely doesn't match.
- return undefined;
- }
- var bestMatch;
- for (var i = dotSeparatedSegments.length - 2, j = candidateContainers.length - 1; i >= 0; i -= 1, j -= 1) {
- bestMatch = betterMatch(bestMatch, matchSegment(candidateContainers[j], dotSeparatedSegments[i], stringToWordSpans));
- }
- return bestMatch;
- }
- function getWordSpans(word, stringToWordSpans) {
- var spans = stringToWordSpans.get(word);
- if (!spans) {
- stringToWordSpans.set(word, spans = breakIntoWordSpans(word));
- }
- return spans;
- }
- function matchTextChunk(candidate, chunk, stringToWordSpans) {
- var index = indexOfIgnoringCase(candidate, chunk.textLowerCase);
- if (index === 0) {
- // a) Check if the word is a prefix of the candidate, in a case insensitive or
- // sensitive manner. If it does, return that there was an exact match if the word and candidate are the same length, else a prefix match.
- return createPatternMatch(chunk.text.length === candidate.length ? PatternMatchKind.exact : PatternMatchKind.prefix, /*isCaseSensitive:*/ ts.startsWith(candidate, chunk.text));
- }
- if (chunk.isLowerCase) {
- if (index === -1)
- return undefined;
- // b) If the part is entirely lowercase, then check if it is contained anywhere in the
- // candidate in a case insensitive manner. If so, return that there was a substring
- // match.
- //
- // Note: We only have a substring match if the lowercase part is prefix match of some
- // word part. That way we don't match something like 'Class' when the user types 'a'.
- // But we would match 'FooAttribute' (since 'Attribute' starts with 'a').
- var wordSpans = getWordSpans(candidate, stringToWordSpans);
- for (var _i = 0, wordSpans_1 = wordSpans; _i < wordSpans_1.length; _i++) {
- var span = wordSpans_1[_i];
- if (partStartsWith(candidate, span, chunk.text, /*ignoreCase:*/ true)) {
- return createPatternMatch(PatternMatchKind.substring, /*isCaseSensitive:*/ partStartsWith(candidate, span, chunk.text, /*ignoreCase:*/ false));
- }
- }
- // c) Is the pattern a substring of the candidate starting on one of the candidate's word boundaries?
- // We could check every character boundary start of the candidate for the pattern. However, that's
- // an m * n operation in the wost case. Instead, find the first instance of the pattern
- // substring, and see if it starts on a capital letter. It seems unlikely that the user will try to
- // filter the list based on a substring that starts on a capital letter and also with a lowercase one.
- // (Pattern: fogbar, Candidate: quuxfogbarFogBar).
- if (chunk.text.length < candidate.length && isUpperCaseLetter(candidate.charCodeAt(index))) {
- return createPatternMatch(PatternMatchKind.substring, /*isCaseSensitive:*/ false);
- }
- }
- else {
- // d) If the part was not entirely lowercase, then check if it is contained in the
- // candidate in a case *sensitive* manner. If so, return that there was a substring
- // match.
- if (candidate.indexOf(chunk.text) > 0) {
- return createPatternMatch(PatternMatchKind.substring, /*isCaseSensitive:*/ true);
- }
- // e) If the part was not entirely lowercase, then attempt a camel cased match as well.
- if (chunk.characterSpans.length > 0) {
- var candidateParts = getWordSpans(candidate, stringToWordSpans);
- var isCaseSensitive = tryCamelCaseMatch(candidate, candidateParts, chunk, /*ignoreCase:*/ false) ? true
- : tryCamelCaseMatch(candidate, candidateParts, chunk, /*ignoreCase:*/ true) ? false : undefined;
- if (isCaseSensitive !== undefined) {
- return createPatternMatch(PatternMatchKind.camelCase, isCaseSensitive);
- }
- }
- }
- }
- function matchSegment(candidate, segment, stringToWordSpans) {
- // First check if the segment matches as is. This is also useful if the segment contains
- // characters we would normally strip when splitting into parts that we also may want to
- // match in the candidate. For example if the segment is "@int" and the candidate is
- // "@int", then that will show up as an exact match here.
- //
- // Note: if the segment contains a space or an asterisk then we must assume that it's a
- // multi-word segment.
- if (every(segment.totalTextChunk.text, function (ch) { return ch !== 32 /* space */ && ch !== 42 /* asterisk */; })) {
- var match = matchTextChunk(candidate, segment.totalTextChunk, stringToWordSpans);
- if (match)
- return match;
- }
- // The logic for pattern matching is now as follows:
- //
- // 1) Break the segment passed in into words. Breaking is rather simple and a
- // good way to think about it that if gives you all the individual alphanumeric words
- // of the pattern.
- //
- // 2) For each word try to match the word against the candidate value.
- //
- // 3) Matching is as follows:
- //
- // a) Check if the word is a prefix of the candidate, in a case insensitive or
- // sensitive manner. If it does, return that there was an exact match if the word and candidate are the same length, else a prefix match.
- //
- // If the word is entirely lowercase:
- // b) Then check if it is contained anywhere in the
- // candidate in a case insensitive manner. If so, return that there was a substring
- // match.
- //
- // Note: We only have a substring match if the lowercase part is prefix match of
- // some word part. That way we don't match something like 'Class' when the user
- // types 'a'. But we would match 'FooAttribute' (since 'Attribute' starts with
- // 'a').
- //
- // c) The word is all lower case. Is it a case insensitive substring of the candidate starting
- // on a part boundary of the candidate?
- //
- // Else:
- // d) If the word was not entirely lowercase, then check if it is contained in the
- // candidate in a case *sensitive* manner. If so, return that there was a substring
- // match.
- //
- // e) If the word was not entirely lowercase, then attempt a camel cased match as
- // well.
- //
- // Only if all words have some sort of match is the pattern considered matched.
- var subWordTextChunks = segment.subWordTextChunks;
- var bestMatch;
- for (var _i = 0, subWordTextChunks_1 = subWordTextChunks; _i < subWordTextChunks_1.length; _i++) {
- var subWordTextChunk = subWordTextChunks_1[_i];
- bestMatch = betterMatch(bestMatch, matchTextChunk(candidate, subWordTextChunk, stringToWordSpans));
- }
- return bestMatch;
- }
- function betterMatch(a, b) {
- return ts.min(a, b, compareMatches);
- }
- function compareMatches(a, b) {
- return a === undefined ? 1 /* GreaterThan */ : b === undefined ? -1 /* LessThan */
- : ts.compareValues(a.kind, b.kind) || ts.compareBooleans(!a.isCaseSensitive, !b.isCaseSensitive);
- }
- function partStartsWith(candidate, candidateSpan, pattern, ignoreCase, patternSpan) {
- if (patternSpan === void 0) { patternSpan = { start: 0, length: pattern.length }; }
- return patternSpan.length <= candidateSpan.length // If pattern part is longer than the candidate part there can never be a match.
- && everyInRange(0, patternSpan.length, function (i) { return equalChars(pattern.charCodeAt(patternSpan.start + i), candidate.charCodeAt(candidateSpan.start + i), ignoreCase); });
- }
- function equalChars(ch1, ch2, ignoreCase) {
- return ignoreCase ? toLowerCase(ch1) === toLowerCase(ch2) : ch1 === ch2;
- }
- function tryCamelCaseMatch(candidate, candidateParts, chunk, ignoreCase) {
- var chunkCharacterSpans = chunk.characterSpans;
- // Note: we may have more pattern parts than candidate parts. This is because multiple
- // pattern parts may match a candidate part. For example "SiUI" against "SimpleUI".
- // We'll have 3 pattern parts Si/U/I against two candidate parts Simple/UI. However, U
- // and I will both match in UI.
- var currentCandidate = 0;
- var currentChunkSpan = 0;
- var firstMatch;
- var contiguous;
- while (true) {
- // Let's consider our termination cases
- if (currentChunkSpan === chunkCharacterSpans.length) {
- return true;
- }
- else if (currentCandidate === candidateParts.length) {
- // No match, since we still have more of the pattern to hit
- return false;
- }
- var candidatePart = candidateParts[currentCandidate];
- var gotOneMatchThisCandidate = false;
- // Consider the case of matching SiUI against SimpleUIElement. The candidate parts
- // will be Simple/UI/Element, and the pattern parts will be Si/U/I. We'll match 'Si'
- // against 'Simple' first. Then we'll match 'U' against 'UI'. However, we want to
- // still keep matching pattern parts against that candidate part.
- for (; currentChunkSpan < chunkCharacterSpans.length; currentChunkSpan++) {
- var chunkCharacterSpan = chunkCharacterSpans[currentChunkSpan];
- if (gotOneMatchThisCandidate) {
- // We've already gotten one pattern part match in this candidate. We will
- // only continue trying to consumer pattern parts if the last part and this
- // part are both upper case.
- if (!isUpperCaseLetter(chunk.text.charCodeAt(chunkCharacterSpans[currentChunkSpan - 1].start)) ||
- !isUpperCaseLetter(chunk.text.charCodeAt(chunkCharacterSpans[currentChunkSpan].start))) {
- break;
- }
- }
- if (!partStartsWith(candidate, candidatePart, chunk.text, ignoreCase, chunkCharacterSpan)) {
- break;
- }
- gotOneMatchThisCandidate = true;
- firstMatch = firstMatch === undefined ? currentCandidate : firstMatch;
- // If we were contiguous, then keep that value. If we weren't, then keep that
- // value. If we don't know, then set the value to 'true' as an initial match is
- // obviously contiguous.
- contiguous = contiguous === undefined ? true : contiguous;
- candidatePart = ts.createTextSpan(candidatePart.start + chunkCharacterSpan.length, candidatePart.length - chunkCharacterSpan.length);
- }
- // Check if we matched anything at all. If we didn't, then we need to unset the
- // contiguous bit if we currently had it set.
- // If we haven't set the bit yet, then that means we haven't matched anything so
- // far, and we don't want to change that.
- if (!gotOneMatchThisCandidate && contiguous !== undefined) {
- contiguous = false;
- }
- // Move onto the next candidate.
- currentCandidate++;
- }
- }
- function createSegment(text) {
- return {
- totalTextChunk: createTextChunk(text),
- subWordTextChunks: breakPatternIntoTextChunks(text)
- };
- }
- function isUpperCaseLetter(ch) {
- // Fast check for the ascii range.
- if (ch >= 65 /* A */ && ch <= 90 /* Z */) {
- return true;
- }
- if (ch < 127 /* maxAsciiCharacter */ || !ts.isUnicodeIdentifierStart(ch, 99 /* Latest */)) {
- return false;
- }
- // TODO: find a way to determine this for any unicode characters in a
- // non-allocating manner.
- var str = String.fromCharCode(ch);
- return str === str.toUpperCase();
- }
- function isLowerCaseLetter(ch) {
- // Fast check for the ascii range.
- if (ch >= 97 /* a */ && ch <= 122 /* z */) {
- return true;
- }
- if (ch < 127 /* maxAsciiCharacter */ || !ts.isUnicodeIdentifierStart(ch, 99 /* Latest */)) {
- return false;
- }
- // TODO: find a way to determine this for any unicode characters in a
- // non-allocating manner.
- var str = String.fromCharCode(ch);
- return str === str.toLowerCase();
- }
- // Assumes 'value' is already lowercase.
- function indexOfIgnoringCase(str, value) {
- var n = str.length - value.length;
- var _loop_6 = function (start) {
- if (every(value, function (valueChar, i) { return toLowerCase(str.charCodeAt(i + start)) === valueChar; })) {
- return { value: start };
- }
- };
- for (var start = 0; start <= n; start++) {
- var state_1 = _loop_6(start);
- if (typeof state_1 === "object")
- return state_1.value;
- }
- return -1;
- }
- function toLowerCase(ch) {
- // Fast convert for the ascii range.
- if (ch >= 65 /* A */ && ch <= 90 /* Z */) {
- return 97 /* a */ + (ch - 65 /* A */);
- }
- if (ch < 127 /* maxAsciiCharacter */) {
- return ch;
- }
- // TODO: find a way to compute this for any unicode characters in a
- // non-allocating manner.
- return String.fromCharCode(ch).toLowerCase().charCodeAt(0);
- }
- function isDigit(ch) {
- // TODO(cyrusn): Find a way to support this for unicode digits.
- return ch >= 48 /* _0 */ && ch <= 57 /* _9 */;
- }
- function isWordChar(ch) {
- return isUpperCaseLetter(ch) || isLowerCaseLetter(ch) || isDigit(ch) || ch === 95 /* _ */ || ch === 36 /* $ */;
- }
- function breakPatternIntoTextChunks(pattern) {
- var result = [];
- var wordStart = 0;
- var wordLength = 0;
- for (var i = 0; i < pattern.length; i++) {
- var ch = pattern.charCodeAt(i);
- if (isWordChar(ch)) {
- if (wordLength === 0) {
- wordStart = i;
- }
- wordLength++;
- }
- else {
- if (wordLength > 0) {
- result.push(createTextChunk(pattern.substr(wordStart, wordLength)));
- wordLength = 0;
- }
- }
- }
- if (wordLength > 0) {
- result.push(createTextChunk(pattern.substr(wordStart, wordLength)));
- }
- return result;
- }
- function createTextChunk(text) {
- var textLowerCase = text.toLowerCase();
- return {
- text: text,
- textLowerCase: textLowerCase,
- isLowerCase: text === textLowerCase,
- characterSpans: breakIntoCharacterSpans(text)
- };
- }
- function breakIntoCharacterSpans(identifier) {
- return breakIntoSpans(identifier, /*word:*/ false);
- }
- ts.breakIntoCharacterSpans = breakIntoCharacterSpans;
- function breakIntoWordSpans(identifier) {
- return breakIntoSpans(identifier, /*word:*/ true);
- }
- ts.breakIntoWordSpans = breakIntoWordSpans;
- function breakIntoSpans(identifier, word) {
- var result = [];
- var wordStart = 0;
- for (var i = 1; i < identifier.length; i++) {
- var lastIsDigit = isDigit(identifier.charCodeAt(i - 1));
- var currentIsDigit = isDigit(identifier.charCodeAt(i));
- var hasTransitionFromLowerToUpper = transitionFromLowerToUpper(identifier, word, i);
- var hasTransitionFromUpperToLower = word && transitionFromUpperToLower(identifier, i, wordStart);
- if (charIsPunctuation(identifier.charCodeAt(i - 1)) ||
- charIsPunctuation(identifier.charCodeAt(i)) ||
- lastIsDigit !== currentIsDigit ||
- hasTransitionFromLowerToUpper ||
- hasTransitionFromUpperToLower) {
- if (!isAllPunctuation(identifier, wordStart, i)) {
- result.push(ts.createTextSpan(wordStart, i - wordStart));
- }
- wordStart = i;
- }
- }
- if (!isAllPunctuation(identifier, wordStart, identifier.length)) {
- result.push(ts.createTextSpan(wordStart, identifier.length - wordStart));
- }
- return result;
- }
- function charIsPunctuation(ch) {
- switch (ch) {
- case 33 /* exclamation */:
- case 34 /* doubleQuote */:
- case 35 /* hash */:
- case 37 /* percent */:
- case 38 /* ampersand */:
- case 39 /* singleQuote */:
- case 40 /* openParen */:
- case 41 /* closeParen */:
- case 42 /* asterisk */:
- case 44 /* comma */:
- case 45 /* minus */:
- case 46 /* dot */:
- case 47 /* slash */:
- case 58 /* colon */:
- case 59 /* semicolon */:
- case 63 /* question */:
- case 64 /* at */:
- case 91 /* openBracket */:
- case 92 /* backslash */:
- case 93 /* closeBracket */:
- case 95 /* _ */:
- case 123 /* openBrace */:
- case 125 /* closeBrace */:
- return true;
- }
- return false;
- }
- function isAllPunctuation(identifier, start, end) {
- return every(identifier, function (ch) { return charIsPunctuation(ch) && ch !== 95 /* _ */; }, start, end);
- }
- function transitionFromUpperToLower(identifier, index, wordStart) {
- // Cases this supports:
- // 1) IDisposable -> I, Disposable
- // 2) UIElement -> UI, Element
- // 3) HTMLDocument -> HTML, Document
- //
- // etc.
- // We have a transition from an upper to a lower letter here. But we only
- // want to break if all the letters that preceded are uppercase. i.e. if we
- // have "Foo" we don't want to break that into "F, oo". But if we have
- // "IFoo" or "UIFoo", then we want to break that into "I, Foo" and "UI,
- // Foo". i.e. the last uppercase letter belongs to the lowercase letters
- // that follows. Note: this will make the following not split properly:
- // "HELLOthere". However, these sorts of names do not show up in .Net
- // programs.
- return index !== wordStart
- && index + 1 < identifier.length
- && isUpperCaseLetter(identifier.charCodeAt(index))
- && isLowerCaseLetter(identifier.charCodeAt(index + 1))
- && every(identifier, isUpperCaseLetter, wordStart, index);
- }
- function transitionFromLowerToUpper(identifier, word, index) {
- var lastIsUpper = isUpperCaseLetter(identifier.charCodeAt(index - 1));
- var currentIsUpper = isUpperCaseLetter(identifier.charCodeAt(index));
- // See if the casing indicates we're starting a new word. Note: if we're breaking on
- // words, then just seeing an upper case character isn't enough. Instead, it has to
- // be uppercase and the previous character can't be uppercase.
- //
- // For example, breaking "AddMetadata" on words would make: Add Metadata
- //
- // on characters would be: A dd M etadata
- //
- // Break "AM" on words would be: AM
- //
- // on characters would be: A M
- //
- // We break the search string on characters. But we break the symbol name on words.
- return currentIsUpper && (!word || !lastIsUpper);
- }
- function everyInRange(start, end, pred) {
- for (var i = start; i < end; i++) {
- if (!pred(i)) {
- return false;
- }
- }
- return true;
- }
- function every(s, pred, start, end) {
- if (start === void 0) { start = 0; }
- if (end === void 0) { end = s.length; }
- return everyInRange(start, end, function (i) { return pred(s.charCodeAt(i), i); });
- }
-})(ts || (ts = {}));
-var ts;
-(function (ts) {
- function preProcessFile(sourceText, readImportFiles, detectJavaScriptImports) {
- if (readImportFiles === void 0) { readImportFiles = true; }
- if (detectJavaScriptImports === void 0) { detectJavaScriptImports = false; }
- var pragmaContext = {
- languageVersion: 1 /* ES5 */,
- pragmas: undefined,
- checkJsDirective: undefined,
- referencedFiles: [],
- typeReferenceDirectives: [],
- libReferenceDirectives: [],
- amdDependencies: [],
- hasNoDefaultLib: undefined,
- moduleName: undefined
- };
- var importedFiles = [];
- var ambientExternalModules;
- var lastToken;
- var currentToken;
- var braceNesting = 0;
- // assume that text represent an external module if it contains at least one top level import/export
- // ambient modules that are found inside external modules are interpreted as module augmentations
- var externalModule = false;
- function nextToken() {
- lastToken = currentToken;
- currentToken = ts.scanner.scan();
- if (currentToken === 18 /* OpenBraceToken */) {
- braceNesting++;
- }
- else if (currentToken === 19 /* CloseBraceToken */) {
- braceNesting--;
- }
- return currentToken;
- }
- function getFileReference() {
- var fileName = ts.scanner.getTokenValue();
- var pos = ts.scanner.getTokenPos();
- return { fileName: fileName, pos: pos, end: pos + fileName.length };
- }
- function recordAmbientExternalModule() {
- if (!ambientExternalModules) {
- ambientExternalModules = [];
- }
- ambientExternalModules.push({ ref: getFileReference(), depth: braceNesting });
- }
- function recordModuleName() {
- importedFiles.push(getFileReference());
- markAsExternalModuleIfTopLevel();
- }
- function markAsExternalModuleIfTopLevel() {
- if (braceNesting === 0) {
- externalModule = true;
- }
- }
- /**
- * Returns true if at least one token was consumed from the stream
- */
- function tryConsumeDeclare() {
- var token = ts.scanner.getToken();
- if (token === 130 /* DeclareKeyword */) {
- // declare module "mod"
- token = nextToken();
- if (token === 135 /* ModuleKeyword */) {
- token = nextToken();
- if (token === 10 /* StringLiteral */) {
- recordAmbientExternalModule();
- }
- }
- return true;
- }
- return false;
- }
- /**
- * Returns true if at least one token was consumed from the stream
- */
- function tryConsumeImport() {
- if (lastToken === 24 /* DotToken */) {
- return false;
- }
- var token = ts.scanner.getToken();
- if (token === 96 /* ImportKeyword */) {
- token = nextToken();
- if (token === 20 /* OpenParenToken */) {
- token = nextToken();
- if (token === 10 /* StringLiteral */ || token === 14 /* NoSubstitutionTemplateLiteral */) {
- // import("mod");
- recordModuleName();
- return true;
- }
- }
- else if (token === 10 /* StringLiteral */) {
- // import "mod";
- recordModuleName();
- return true;
- }
- else {
- if (token === 145 /* TypeKeyword */) {
- var skipTypeKeyword = ts.scanner.lookAhead(function () {
- var token = ts.scanner.scan();
- return token !== 149 /* FromKeyword */ && (token === 41 /* AsteriskToken */ ||
- token === 18 /* OpenBraceToken */ ||
- token === 75 /* Identifier */ ||
- ts.isKeyword(token));
- });
- if (skipTypeKeyword) {
- token = nextToken();
- }
- }
- if (token === 75 /* Identifier */ || ts.isKeyword(token)) {
- token = nextToken();
- if (token === 149 /* FromKeyword */) {
- token = nextToken();
- if (token === 10 /* StringLiteral */) {
- // import d from "mod";
- recordModuleName();
- return true;
- }
- }
- else if (token === 62 /* EqualsToken */) {
- if (tryConsumeRequireCall(/*skipCurrentToken*/ true)) {
- return true;
- }
- }
- else if (token === 27 /* CommaToken */) {
- // consume comma and keep going
- token = nextToken();
- }
- else {
- // unknown syntax
- return true;
- }
- }
- if (token === 18 /* OpenBraceToken */) {
- token = nextToken();
- // consume "{ a as B, c, d as D}" clauses
- // make sure that it stops on EOF
- while (token !== 19 /* CloseBraceToken */ && token !== 1 /* EndOfFileToken */) {
- token = nextToken();
- }
- if (token === 19 /* CloseBraceToken */) {
- token = nextToken();
- if (token === 149 /* FromKeyword */) {
- token = nextToken();
- if (token === 10 /* StringLiteral */) {
- // import {a as A} from "mod";
- // import d, {a, b as B} from "mod"
- recordModuleName();
- }
- }
- }
- }
- else if (token === 41 /* AsteriskToken */) {
- token = nextToken();
- if (token === 123 /* AsKeyword */) {
- token = nextToken();
- if (token === 75 /* Identifier */ || ts.isKeyword(token)) {
- token = nextToken();
- if (token === 149 /* FromKeyword */) {
- token = nextToken();
- if (token === 10 /* StringLiteral */) {
- // import * as NS from "mod"
- // import d, * as NS from "mod"
- recordModuleName();
- }
- }
- }
- }
- }
- }
- return true;
- }
- return false;
- }
- function tryConsumeExport() {
- var token = ts.scanner.getToken();
- if (token === 89 /* ExportKeyword */) {
- markAsExternalModuleIfTopLevel();
- token = nextToken();
- if (token === 145 /* TypeKeyword */) {
- var skipTypeKeyword = ts.scanner.lookAhead(function () {
- var token = ts.scanner.scan();
- return token === 41 /* AsteriskToken */ ||
- token === 18 /* OpenBraceToken */;
- });
- if (skipTypeKeyword) {
- token = nextToken();
- }
- }
- if (token === 18 /* OpenBraceToken */) {
- token = nextToken();
- // consume "{ a as B, c, d as D}" clauses
- // make sure it stops on EOF
- while (token !== 19 /* CloseBraceToken */ && token !== 1 /* EndOfFileToken */) {
- token = nextToken();
- }
- if (token === 19 /* CloseBraceToken */) {
- token = nextToken();
- if (token === 149 /* FromKeyword */) {
- token = nextToken();
- if (token === 10 /* StringLiteral */) {
- // export {a as A} from "mod";
- // export {a, b as B} from "mod"
- recordModuleName();
- }
- }
- }
- }
- else if (token === 41 /* AsteriskToken */) {
- token = nextToken();
- if (token === 149 /* FromKeyword */) {
- token = nextToken();
- if (token === 10 /* StringLiteral */) {
- // export * from "mod"
- recordModuleName();
- }
- }
- }
- else if (token === 96 /* ImportKeyword */) {
- token = nextToken();
- if (token === 145 /* TypeKeyword */) {
- var skipTypeKeyword = ts.scanner.lookAhead(function () {
- var token = ts.scanner.scan();
- return token === 75 /* Identifier */ ||
- ts.isKeyword(token);
- });
- if (skipTypeKeyword) {
- token = nextToken();
- }
- }
- if (token === 75 /* Identifier */ || ts.isKeyword(token)) {
- token = nextToken();
- if (token === 62 /* EqualsToken */) {
- if (tryConsumeRequireCall(/*skipCurrentToken*/ true)) {
- return true;
- }
- }
- }
- }
- return true;
- }
- return false;
- }
- function tryConsumeRequireCall(skipCurrentToken, allowTemplateLiterals) {
- if (allowTemplateLiterals === void 0) { allowTemplateLiterals = false; }
- var token = skipCurrentToken ? nextToken() : ts.scanner.getToken();
- if (token === 139 /* RequireKeyword */) {
- token = nextToken();
- if (token === 20 /* OpenParenToken */) {
- token = nextToken();
- if (token === 10 /* StringLiteral */ ||
- allowTemplateLiterals && token === 14 /* NoSubstitutionTemplateLiteral */) {
- // require("mod");
- recordModuleName();
- }
- }
- return true;
- }
- return false;
- }
- function tryConsumeDefine() {
- var token = ts.scanner.getToken();
- if (token === 75 /* Identifier */ && ts.scanner.getTokenValue() === "define") {
- token = nextToken();
- if (token !== 20 /* OpenParenToken */) {
- return true;
- }
- token = nextToken();
- if (token === 10 /* StringLiteral */ || token === 14 /* NoSubstitutionTemplateLiteral */) {
- // looks like define ("modname", ... - skip string literal and comma
- token = nextToken();
- if (token === 27 /* CommaToken */) {
- token = nextToken();
- }
- else {
- // unexpected token
- return true;
- }
- }
- // should be start of dependency list
- if (token !== 22 /* OpenBracketToken */) {
- return true;
- }
- // skip open bracket
- token = nextToken();
- // scan until ']' or EOF
- while (token !== 23 /* CloseBracketToken */ && token !== 1 /* EndOfFileToken */) {
- // record string literals as module names
- if (token === 10 /* StringLiteral */ || token === 14 /* NoSubstitutionTemplateLiteral */) {
- recordModuleName();
- }
- token = nextToken();
- }
- return true;
- }
- return false;
- }
- function processImports() {
- ts.scanner.setText(sourceText);
- nextToken();
- // Look for:
- // import "mod";
- // import d from "mod"
- // import {a as A } from "mod";
- // import * as NS from "mod"
- // import d, {a, b as B} from "mod"
- // import i = require("mod");
- // import("mod");
- // export * from "mod"
- // export {a as b} from "mod"
- // export import i = require("mod")
- // (for JavaScript files) require("mod")
- // Do not look for:
- // AnySymbol.import("mod")
- // AnySymbol.nested.import("mod")
- while (true) {
- if (ts.scanner.getToken() === 1 /* EndOfFileToken */) {
- break;
- }
- // check if at least one of alternative have moved scanner forward
- if (tryConsumeDeclare() ||
- tryConsumeImport() ||
- tryConsumeExport() ||
- (detectJavaScriptImports && (tryConsumeRequireCall(/*skipCurrentToken*/ false, /*allowTemplateLiterals*/ true) ||
- tryConsumeDefine()))) {
- continue;
- }
- else {
- nextToken();
- }
- }
- ts.scanner.setText(undefined);
- }
- if (readImportFiles) {
- processImports();
- }
- ts.processCommentPragmas(pragmaContext, sourceText);
- ts.processPragmasIntoFields(pragmaContext, ts.noop);
- if (externalModule) {
- // for external modules module all nested ambient modules are augmentations
- if (ambientExternalModules) {
- // move all detected ambient modules to imported files since they need to be resolved
- for (var _i = 0, ambientExternalModules_1 = ambientExternalModules; _i < ambientExternalModules_1.length; _i++) {
- var decl = ambientExternalModules_1[_i];
- importedFiles.push(decl.ref);
- }
- }
- return { referencedFiles: pragmaContext.referencedFiles, typeReferenceDirectives: pragmaContext.typeReferenceDirectives, libReferenceDirectives: pragmaContext.libReferenceDirectives, importedFiles: importedFiles, isLibFile: !!pragmaContext.hasNoDefaultLib, ambientExternalModules: undefined };
- }
- else {
- // for global scripts ambient modules still can have augmentations - look for ambient modules with depth > 0
- var ambientModuleNames = void 0;
- if (ambientExternalModules) {
- for (var _a = 0, ambientExternalModules_2 = ambientExternalModules; _a < ambientExternalModules_2.length; _a++) {
- var decl = ambientExternalModules_2[_a];
- if (decl.depth === 0) {
- if (!ambientModuleNames) {
- ambientModuleNames = [];
- }
- ambientModuleNames.push(decl.ref.fileName);
- }
- else {
- importedFiles.push(decl.ref);
- }
- }
- }
- return { referencedFiles: pragmaContext.referencedFiles, typeReferenceDirectives: pragmaContext.typeReferenceDirectives, libReferenceDirectives: pragmaContext.libReferenceDirectives, importedFiles: importedFiles, isLibFile: !!pragmaContext.hasNoDefaultLib, ambientExternalModules: ambientModuleNames };
- }
- }
- ts.preProcessFile = preProcessFile;
-})(ts || (ts = {}));
-/* @internal */
-var ts;
-(function (ts) {
- var Rename;
- (function (Rename) {
- function getRenameInfo(program, sourceFile, position, options) {
- var node = ts.getAdjustedRenameLocation(ts.getTouchingPropertyName(sourceFile, position));
- if (nodeIsEligibleForRename(node)) {
- var renameInfo = getRenameInfoForNode(node, program.getTypeChecker(), sourceFile, function (declaration) { return program.isSourceFileDefaultLibrary(declaration.getSourceFile()); }, options);
- if (renameInfo) {
- return renameInfo;
- }
- }
- return getRenameInfoError(ts.Diagnostics.You_cannot_rename_this_element);
- }
- Rename.getRenameInfo = getRenameInfo;
- function getRenameInfoForNode(node, typeChecker, sourceFile, isDefinedInLibraryFile, options) {
- var symbol = typeChecker.getSymbolAtLocation(node);
- if (!symbol)
- return;
- // Only allow a symbol to be renamed if it actually has at least one declaration.
- var declarations = symbol.declarations;
- if (!declarations || declarations.length === 0)
- return;
- // Disallow rename for elements that are defined in the standard TypeScript library.
- if (declarations.some(isDefinedInLibraryFile)) {
- return getRenameInfoError(ts.Diagnostics.You_cannot_rename_elements_that_are_defined_in_the_standard_TypeScript_library);
- }
- // Cannot rename `default` as in `import { default as foo } from "./someModule";
- if (ts.isIdentifier(node) && node.originalKeywordKind === 84 /* DefaultKeyword */ && symbol.parent && symbol.parent.flags & 1536 /* Module */) {
- return undefined;
- }
- if (ts.isStringLiteralLike(node) && ts.tryGetImportFromModuleSpecifier(node)) {
- return options && options.allowRenameOfImportPath ? getRenameInfoForModule(node, sourceFile, symbol) : undefined;
- }
- var kind = ts.SymbolDisplay.getSymbolKind(typeChecker, symbol, node);
- var specifierName = (ts.isImportOrExportSpecifierName(node) || ts.isStringOrNumericLiteralLike(node) && node.parent.kind === 154 /* ComputedPropertyName */)
- ? ts.stripQuotes(ts.getTextOfIdentifierOrLiteral(node))
- : undefined;
- var displayName = specifierName || typeChecker.symbolToString(symbol);
- var fullDisplayName = specifierName || typeChecker.getFullyQualifiedName(symbol);
- return getRenameInfoSuccess(displayName, fullDisplayName, kind, ts.SymbolDisplay.getSymbolModifiers(symbol), node, sourceFile);
- }
- function getRenameInfoForModule(node, sourceFile, moduleSymbol) {
- if (!ts.isExternalModuleNameRelative(node.text)) {
- return getRenameInfoError(ts.Diagnostics.You_cannot_rename_a_module_via_a_global_import);
- }
- var moduleSourceFile = ts.find(moduleSymbol.declarations, ts.isSourceFile);
- if (!moduleSourceFile)
- return undefined;
- var withoutIndex = ts.endsWith(node.text, "/index") || ts.endsWith(node.text, "/index.js") ? undefined : ts.tryRemoveSuffix(ts.removeFileExtension(moduleSourceFile.fileName), "/index");
- var name = withoutIndex === undefined ? moduleSourceFile.fileName : withoutIndex;
- var kind = withoutIndex === undefined ? "module" /* moduleElement */ : "directory" /* directory */;
- var indexAfterLastSlash = node.text.lastIndexOf("/") + 1;
- // Span should only be the last component of the path. + 1 to account for the quote character.
- var triggerSpan = ts.createTextSpan(node.getStart(sourceFile) + 1 + indexAfterLastSlash, node.text.length - indexAfterLastSlash);
- return {
- canRename: true,
- fileToRename: name,
- kind: kind,
- displayName: name,
- fullDisplayName: name,
- kindModifiers: "" /* none */,
- triggerSpan: triggerSpan,
- };
- }
- function getRenameInfoSuccess(displayName, fullDisplayName, kind, kindModifiers, node, sourceFile) {
- return {
- canRename: true,
- fileToRename: undefined,
- kind: kind,
- displayName: displayName,
- fullDisplayName: fullDisplayName,
- kindModifiers: kindModifiers,
- triggerSpan: createTriggerSpanForNode(node, sourceFile)
- };
- }
- function getRenameInfoError(diagnostic) {
- return { canRename: false, localizedErrorMessage: ts.getLocaleSpecificMessage(diagnostic) };
- }
- function createTriggerSpanForNode(node, sourceFile) {
- var start = node.getStart(sourceFile);
- var width = node.getWidth(sourceFile);
- if (ts.isStringLiteralLike(node)) {
- // Exclude the quotes
- start += 1;
- width -= 2;
- }
- return ts.createTextSpan(start, width);
- }
- function nodeIsEligibleForRename(node) {
- switch (node.kind) {
- case 75 /* Identifier */:
- case 76 /* PrivateIdentifier */:
- case 10 /* StringLiteral */:
- case 14 /* NoSubstitutionTemplateLiteral */:
- case 104 /* ThisKeyword */:
- return true;
- case 8 /* NumericLiteral */:
- return ts.isLiteralNameOfPropertyDeclarationOrIndexAccess(node);
- default:
- return false;
- }
- }
- })(Rename = ts.Rename || (ts.Rename = {}));
-})(ts || (ts = {}));
-/* @internal */
-var ts;
-(function (ts) {
- var SmartSelectionRange;
- (function (SmartSelectionRange) {
- function getSmartSelectionRange(pos, sourceFile) {
- var selectionRange = {
- textSpan: ts.createTextSpanFromBounds(sourceFile.getFullStart(), sourceFile.getEnd())
- };
- var parentNode = sourceFile;
- outer: while (true) {
- var children = getSelectionChildren(parentNode);
- if (!children.length)
- break;
- for (var i = 0; i < children.length; i++) {
- var prevNode = children[i - 1];
- var node = children[i];
- var nextNode = children[i + 1];
- if (node.getStart(sourceFile) > pos) {
- break outer;
- }
- if (positionShouldSnapToNode(sourceFile, pos, node)) {
- // 1. Blocks are effectively redundant with SyntaxLists.
- // 2. TemplateSpans, along with the SyntaxLists containing them, are a somewhat unintuitive grouping
- // of things that should be considered independently.
- // 3. A VariableStatement’s children are just a VaraiableDeclarationList and a semicolon.
- // 4. A lone VariableDeclaration in a VaraibleDeclaration feels redundant with the VariableStatement.
- //
- // Dive in without pushing a selection range.
- if (ts.isBlock(node)
- || ts.isTemplateSpan(node) || ts.isTemplateHead(node) || ts.isTemplateTail(node)
- || prevNode && ts.isTemplateHead(prevNode)
- || ts.isVariableDeclarationList(node) && ts.isVariableStatement(parentNode)
- || ts.isSyntaxList(node) && ts.isVariableDeclarationList(parentNode)
- || ts.isVariableDeclaration(node) && ts.isSyntaxList(parentNode) && children.length === 1) {
- parentNode = node;
- break;
- }
- // Synthesize a stop for '${ ... }' since '${' and '}' actually belong to siblings.
- if (ts.isTemplateSpan(parentNode) && nextNode && ts.isTemplateMiddleOrTemplateTail(nextNode)) {
- var start_2 = node.getFullStart() - "${".length;
- var end_2 = nextNode.getStart() + "}".length;
- pushSelectionRange(start_2, end_2);
- }
- // Blocks with braces, brackets, parens, or JSX tags on separate lines should be
- // selected from open to close, including whitespace but not including the braces/etc. themselves.
- var isBetweenMultiLineBookends = ts.isSyntaxList(node)
- && isListOpener(prevNode)
- && isListCloser(nextNode)
- && !ts.positionsAreOnSameLine(prevNode.getStart(), nextNode.getStart(), sourceFile);
- var jsDocCommentStart = ts.hasJSDocNodes(node) && node.jsDoc[0].getStart();
- var start = isBetweenMultiLineBookends ? prevNode.getEnd() : node.getStart();
- var end = isBetweenMultiLineBookends ? nextNode.getStart() : node.getEnd();
- if (ts.isNumber(jsDocCommentStart)) {
- pushSelectionRange(jsDocCommentStart, end);
- }
- pushSelectionRange(start, end);
- // String literals should have a stop both inside and outside their quotes.
- if (ts.isStringLiteral(node) || ts.isTemplateLiteral(node)) {
- pushSelectionRange(start + 1, end - 1);
- }
- parentNode = node;
- break;
- }
- // If we made it to the end of the for loop, we’re done.
- // In practice, I’ve only seen this happen at the very end
- // of a SourceFile.
- if (i === children.length - 1) {
- break outer;
- }
- }
- }
- return selectionRange;
- function pushSelectionRange(start, end) {
- // Skip empty ranges
- if (start !== end) {
- var textSpan = ts.createTextSpanFromBounds(start, end);
- if (!selectionRange || (
- // Skip ranges that are identical to the parent
- !ts.textSpansEqual(textSpan, selectionRange.textSpan) &&
- // Skip ranges that don’t contain the original position
- ts.textSpanIntersectsWithPosition(textSpan, pos))) {
- selectionRange = __assign({ textSpan: textSpan }, selectionRange && { parent: selectionRange });
- }
- }
- }
- }
- SmartSelectionRange.getSmartSelectionRange = getSmartSelectionRange;
- /**
- * Like `ts.positionBelongsToNode`, except positions immediately after nodes
- * count too, unless that position belongs to the next node. In effect, makes
- * selections able to snap to preceding tokens when the cursor is on the tail
- * end of them with only whitespace ahead.
- * @param sourceFile The source file containing the nodes.
- * @param pos The position to check.
- * @param node The candidate node to snap to.
- */
- function positionShouldSnapToNode(sourceFile, pos, node) {
- // Can’t use 'ts.positionBelongsToNode()' here because it cleverly accounts
- // for missing nodes, which can’t really be considered when deciding what
- // to select.
- ts.Debug.assert(node.pos <= pos);
- if (pos < node.end) {
- return true;
- }
- var nodeEnd = node.getEnd();
- if (nodeEnd === pos) {
- return ts.getTouchingPropertyName(sourceFile, pos).pos < node.end;
- }
- return false;
- }
- var isImport = ts.or(ts.isImportDeclaration, ts.isImportEqualsDeclaration);
- /**
- * Gets the children of a node to be considered for selection ranging,
- * transforming them into an artificial tree according to their intuitive
- * grouping where no grouping actually exists in the parse tree. For example,
- * top-level imports are grouped into their own SyntaxList so they can be
- * selected all together, even though in the AST they’re just siblings of each
- * other as well as of other top-level statements and declarations.
- */
- function getSelectionChildren(node) {
- // Group top-level imports
- if (ts.isSourceFile(node)) {
- return groupChildren(node.getChildAt(0).getChildren(), isImport);
- }
- // Mapped types _look_ like ObjectTypes with a single member,
- // but in fact don’t contain a SyntaxList or a node containing
- // the “key/value” pair like ObjectTypes do, but it seems intuitive
- // that the selection would snap to those points. The philosophy
- // of choosing a selection range is not so much about what the
- // syntax currently _is_ as what the syntax might easily become
- // if the user is making a selection; e.g., we synthesize a selection
- // around the “key/value” pair not because there’s a node there, but
- // because it allows the mapped type to become an object type with a
- // few keystrokes.
- if (ts.isMappedTypeNode(node)) {
- var _a = node.getChildren(), openBraceToken = _a[0], children = _a.slice(1);
- var closeBraceToken = ts.Debug.checkDefined(children.pop());
- ts.Debug.assertEqual(openBraceToken.kind, 18 /* OpenBraceToken */);
- ts.Debug.assertEqual(closeBraceToken.kind, 19 /* CloseBraceToken */);
- // Group `-/+readonly` and `-/+?`
- var groupedWithPlusMinusTokens = groupChildren(children, function (child) {
- return child === node.readonlyToken || child.kind === 138 /* ReadonlyKeyword */ ||
- child === node.questionToken || child.kind === 57 /* QuestionToken */;
- });
- // Group type parameter with surrounding brackets
- var groupedWithBrackets = groupChildren(groupedWithPlusMinusTokens, function (_a) {
- var kind = _a.kind;
- return kind === 22 /* OpenBracketToken */ ||
- kind === 155 /* TypeParameter */ ||
- kind === 23 /* CloseBracketToken */;
- });
- return [
- openBraceToken,
- // Pivot on `:`
- createSyntaxList(splitChildren(groupedWithBrackets, function (_a) {
- var kind = _a.kind;
- return kind === 58 /* ColonToken */;
- })),
- closeBraceToken,
- ];
- }
- // Group modifiers and property name, then pivot on `:`.
- if (ts.isPropertySignature(node)) {
- var children = groupChildren(node.getChildren(), function (child) {
- return child === node.name || ts.contains(node.modifiers, child);
- });
- return splitChildren(children, function (_a) {
- var kind = _a.kind;
- return kind === 58 /* ColonToken */;
- });
- }
- // Group the parameter name with its `...`, then that group with its `?`, then pivot on `=`.
- if (ts.isParameter(node)) {
- var groupedDotDotDotAndName_1 = groupChildren(node.getChildren(), function (child) {
- return child === node.dotDotDotToken || child === node.name;
- });
- var groupedWithQuestionToken = groupChildren(groupedDotDotDotAndName_1, function (child) {
- return child === groupedDotDotDotAndName_1[0] || child === node.questionToken;
- });
- return splitChildren(groupedWithQuestionToken, function (_a) {
- var kind = _a.kind;
- return kind === 62 /* EqualsToken */;
- });
- }
- // Pivot on '='
- if (ts.isBindingElement(node)) {
- return splitChildren(node.getChildren(), function (_a) {
- var kind = _a.kind;
- return kind === 62 /* EqualsToken */;
- });
- }
- return node.getChildren();
- }
- /**
- * Groups sibling nodes together into their own SyntaxList if they
- * a) are adjacent, AND b) match a predicate function.
- */
- function groupChildren(children, groupOn) {
- var result = [];
- var group;
- for (var _i = 0, children_1 = children; _i < children_1.length; _i++) {
- var child = children_1[_i];
- if (groupOn(child)) {
- group = group || [];
- group.push(child);
- }
- else {
- if (group) {
- result.push(createSyntaxList(group));
- group = undefined;
- }
- result.push(child);
- }
- }
- if (group) {
- result.push(createSyntaxList(group));
- }
- return result;
- }
- /**
- * Splits sibling nodes into up to four partitions:
- * 1) everything left of the first node matched by `pivotOn`,
- * 2) the first node matched by `pivotOn`,
- * 3) everything right of the first node matched by `pivotOn`,
- * 4) a trailing semicolon, if `separateTrailingSemicolon` is enabled.
- * The left and right groups, if not empty, will each be grouped into their own containing SyntaxList.
- * @param children The sibling nodes to split.
- * @param pivotOn The predicate function to match the node to be the pivot. The first node that matches
- * the predicate will be used; any others that may match will be included into the right-hand group.
- * @param separateTrailingSemicolon If the last token is a semicolon, it will be returned as a separate
- * child rather than be included in the right-hand group.
- */
- function splitChildren(children, pivotOn, separateTrailingSemicolon) {
- if (separateTrailingSemicolon === void 0) { separateTrailingSemicolon = true; }
- if (children.length < 2) {
- return children;
- }
- var splitTokenIndex = ts.findIndex(children, pivotOn);
- if (splitTokenIndex === -1) {
- return children;
- }
- var leftChildren = children.slice(0, splitTokenIndex);
- var splitToken = children[splitTokenIndex];
- var lastToken = ts.last(children);
- var separateLastToken = separateTrailingSemicolon && lastToken.kind === 26 /* SemicolonToken */;
- var rightChildren = children.slice(splitTokenIndex + 1, separateLastToken ? children.length - 1 : undefined);
- var result = ts.compact([
- leftChildren.length ? createSyntaxList(leftChildren) : undefined,
- splitToken,
- rightChildren.length ? createSyntaxList(rightChildren) : undefined,
- ]);
- return separateLastToken ? result.concat(lastToken) : result;
- }
- function createSyntaxList(children) {
- ts.Debug.assertGreaterThanOrEqual(children.length, 1);
- var syntaxList = ts.createNode(324 /* SyntaxList */, children[0].pos, ts.last(children).end);
- syntaxList._children = children;
- return syntaxList;
- }
- function isListOpener(token) {
- var kind = token && token.kind;
- return kind === 18 /* OpenBraceToken */
- || kind === 22 /* OpenBracketToken */
- || kind === 20 /* OpenParenToken */
- || kind === 268 /* JsxOpeningElement */;
- }
- function isListCloser(token) {
- var kind = token && token.kind;
- return kind === 19 /* CloseBraceToken */
- || kind === 23 /* CloseBracketToken */
- || kind === 21 /* CloseParenToken */
- || kind === 269 /* JsxClosingElement */;
- }
- })(SmartSelectionRange = ts.SmartSelectionRange || (ts.SmartSelectionRange = {}));
-})(ts || (ts = {}));
-/* @internal */
-var ts;
-(function (ts) {
- var SignatureHelp;
- (function (SignatureHelp) {
- var InvocationKind;
- (function (InvocationKind) {
- InvocationKind[InvocationKind["Call"] = 0] = "Call";
- InvocationKind[InvocationKind["TypeArgs"] = 1] = "TypeArgs";
- InvocationKind[InvocationKind["Contextual"] = 2] = "Contextual";
- })(InvocationKind || (InvocationKind = {}));
- function getSignatureHelpItems(program, sourceFile, position, triggerReason, cancellationToken) {
- var typeChecker = program.getTypeChecker();
- // Decide whether to show signature help
- var startingToken = ts.findTokenOnLeftOfPosition(sourceFile, position);
- if (!startingToken) {
- // We are at the beginning of the file
- return undefined;
- }
- // Only need to be careful if the user typed a character and signature help wasn't showing.
- var onlyUseSyntacticOwners = !!triggerReason && triggerReason.kind === "characterTyped";
- // Bail out quickly in the middle of a string or comment, don't provide signature help unless the user explicitly requested it.
- if (onlyUseSyntacticOwners && (ts.isInString(sourceFile, position, startingToken) || ts.isInComment(sourceFile, position))) {
- return undefined;
- }
- var isManuallyInvoked = !!triggerReason && triggerReason.kind === "invoked";
- var argumentInfo = getContainingArgumentInfo(startingToken, position, sourceFile, typeChecker, isManuallyInvoked);
- if (!argumentInfo)
- return undefined;
- cancellationToken.throwIfCancellationRequested();
- // Extra syntactic and semantic filtering of signature help
- var candidateInfo = getCandidateOrTypeInfo(argumentInfo, typeChecker, sourceFile, startingToken, onlyUseSyntacticOwners);
- cancellationToken.throwIfCancellationRequested();
- if (!candidateInfo) {
- // We didn't have any sig help items produced by the TS compiler. If this is a JS
- // file, then see if we can figure out anything better.
- return ts.isSourceFileJS(sourceFile) ? createJSSignatureHelpItems(argumentInfo, program, cancellationToken) : undefined;
- }
- return typeChecker.runWithCancellationToken(cancellationToken, function (typeChecker) {
- return candidateInfo.kind === 0 /* Candidate */
- ? createSignatureHelpItems(candidateInfo.candidates, candidateInfo.resolvedSignature, argumentInfo, sourceFile, typeChecker)
- : createTypeHelpItems(candidateInfo.symbol, argumentInfo, sourceFile, typeChecker);
- });
- }
- SignatureHelp.getSignatureHelpItems = getSignatureHelpItems;
- var CandidateOrTypeKind;
- (function (CandidateOrTypeKind) {
- CandidateOrTypeKind[CandidateOrTypeKind["Candidate"] = 0] = "Candidate";
- CandidateOrTypeKind[CandidateOrTypeKind["Type"] = 1] = "Type";
- })(CandidateOrTypeKind || (CandidateOrTypeKind = {}));
- function getCandidateOrTypeInfo(_a, checker, sourceFile, startingToken, onlyUseSyntacticOwners) {
- var invocation = _a.invocation, argumentCount = _a.argumentCount;
- switch (invocation.kind) {
- case 0 /* Call */: {
- if (onlyUseSyntacticOwners && !isSyntacticOwner(startingToken, invocation.node, sourceFile)) {
- return undefined;
- }
- var candidates = [];
- var resolvedSignature = checker.getResolvedSignatureForSignatureHelp(invocation.node, candidates, argumentCount); // TODO: GH#18217
- return candidates.length === 0 ? undefined : { kind: 0 /* Candidate */, candidates: candidates, resolvedSignature: resolvedSignature };
- }
- case 1 /* TypeArgs */: {
- var called = invocation.called;
- if (onlyUseSyntacticOwners && !containsPrecedingToken(startingToken, sourceFile, ts.isIdentifier(called) ? called.parent : called)) {
- return undefined;
- }
- var candidates = ts.getPossibleGenericSignatures(called, argumentCount, checker);
- if (candidates.length !== 0)
- return { kind: 0 /* Candidate */, candidates: candidates, resolvedSignature: ts.first(candidates) };
- var symbol = checker.getSymbolAtLocation(called);
- return symbol && { kind: 1 /* Type */, symbol: symbol };
- }
- case 2 /* Contextual */:
- return { kind: 0 /* Candidate */, candidates: [invocation.signature], resolvedSignature: invocation.signature };
- default:
- return ts.Debug.assertNever(invocation);
- }
- }
- function isSyntacticOwner(startingToken, node, sourceFile) {
- if (!ts.isCallOrNewExpression(node))
- return false;
- var invocationChildren = node.getChildren(sourceFile);
- switch (startingToken.kind) {
- case 20 /* OpenParenToken */:
- return ts.contains(invocationChildren, startingToken);
- case 27 /* CommaToken */: {
- var containingList = ts.findContainingList(startingToken);
- return !!containingList && ts.contains(invocationChildren, containingList);
- }
- case 29 /* LessThanToken */:
- return containsPrecedingToken(startingToken, sourceFile, node.expression);
- default:
- return false;
- }
- }
- function createJSSignatureHelpItems(argumentInfo, program, cancellationToken) {
- if (argumentInfo.invocation.kind === 2 /* Contextual */)
- return undefined;
- // See if we can find some symbol with the call expression name that has call signatures.
- var expression = getExpressionFromInvocation(argumentInfo.invocation);
- var name = ts.isIdentifier(expression) ? expression.text : ts.isPropertyAccessExpression(expression) ? expression.name.text : undefined;
- var typeChecker = program.getTypeChecker();
- return name === undefined ? undefined : ts.firstDefined(program.getSourceFiles(), function (sourceFile) {
- return ts.firstDefined(sourceFile.getNamedDeclarations().get(name), function (declaration) {
- var type = declaration.symbol && typeChecker.getTypeOfSymbolAtLocation(declaration.symbol, declaration);
- var callSignatures = type && type.getCallSignatures();
- if (callSignatures && callSignatures.length) {
- return typeChecker.runWithCancellationToken(cancellationToken, function (typeChecker) { return createSignatureHelpItems(callSignatures, callSignatures[0], argumentInfo, sourceFile, typeChecker); });
- }
- });
- });
- }
- function containsPrecedingToken(startingToken, sourceFile, container) {
- var pos = startingToken.getFullStart();
- // There’s a possibility that `startingToken.parent` contains only `startingToken` and
- // missing nodes, none of which are valid to be returned by `findPrecedingToken`. In that
- // case, the preceding token we want is actually higher up the tree—almost definitely the
- // next parent, but theoretically the situation with missing nodes might be happening on
- // multiple nested levels.
- var currentParent = startingToken.parent;
- while (currentParent) {
- var precedingToken = ts.findPrecedingToken(pos, sourceFile, currentParent, /*excludeJsdoc*/ true);
- if (precedingToken) {
- return ts.rangeContainsRange(container, precedingToken);
- }
- currentParent = currentParent.parent;
- }
- return ts.Debug.fail("Could not find preceding token");
- }
- function getArgumentInfoForCompletions(node, position, sourceFile) {
- var info = getImmediatelyContainingArgumentInfo(node, position, sourceFile);
- return !info || info.isTypeParameterList || info.invocation.kind !== 0 /* Call */ ? undefined
- : { invocation: info.invocation.node, argumentCount: info.argumentCount, argumentIndex: info.argumentIndex };
- }
- SignatureHelp.getArgumentInfoForCompletions = getArgumentInfoForCompletions;
- function getArgumentOrParameterListInfo(node, sourceFile) {
- var info = getArgumentOrParameterListAndIndex(node, sourceFile);
- if (!info)
- return undefined;
- var list = info.list, argumentIndex = info.argumentIndex;
- var argumentCount = getArgumentCount(list);
- if (argumentIndex !== 0) {
- ts.Debug.assertLessThan(argumentIndex, argumentCount);
- }
- var argumentsSpan = getApplicableSpanForArguments(list, sourceFile);
- return { list: list, argumentIndex: argumentIndex, argumentCount: argumentCount, argumentsSpan: argumentsSpan };
- }
- function getArgumentOrParameterListAndIndex(node, sourceFile) {
- if (node.kind === 29 /* LessThanToken */ || node.kind === 20 /* OpenParenToken */) {
- // Find the list that starts right *after* the < or ( token.
- // If the user has just opened a list, consider this item 0.
- return { list: getChildListThatStartsWithOpenerToken(node.parent, node, sourceFile), argumentIndex: 0 };
- }
- else {
- // findListItemInfo can return undefined if we are not in parent's argument list
- // or type argument list. This includes cases where the cursor is:
- // - To the right of the closing parenthesis, non-substitution template, or template tail.
- // - Between the type arguments and the arguments (greater than token)
- // - On the target of the call (parent.func)
- // - On the 'new' keyword in a 'new' expression
- var list = ts.findContainingList(node);
- return list && { list: list, argumentIndex: getArgumentIndex(list, node) };
- }
- }
- /**
- * Returns relevant information for the argument list and the current argument if we are
- * in the argument of an invocation; returns undefined otherwise.
- */
- function getImmediatelyContainingArgumentInfo(node, position, sourceFile) {
- var parent = node.parent;
- if (ts.isCallOrNewExpression(parent)) {
- var invocation = parent;
- // There are 3 cases to handle:
- // 1. The token introduces a list, and should begin a signature help session
- // 2. The token is either not associated with a list, or ends a list, so the session should end
- // 3. The token is buried inside a list, and should give signature help
- //
- // The following are examples of each:
- //
- // Case 1:
- // foo<#T, U>(#a, b) -> The token introduces a list, and should begin a signature help session
- // Case 2:
- // fo#o<T, U>#(a, b)# -> The token is either not associated with a list, or ends a list, so the session should end
- // Case 3:
- // foo<T#, U#>(a#, #b#) -> The token is buried inside a list, and should give signature help
- // Find out if 'node' is an argument, a type argument, or neither
- var info = getArgumentOrParameterListInfo(node, sourceFile);
- if (!info)
- return undefined;
- var list = info.list, argumentIndex = info.argumentIndex, argumentCount = info.argumentCount, argumentsSpan = info.argumentsSpan;
- var isTypeParameterList = !!parent.typeArguments && parent.typeArguments.pos === list.pos;
- return { isTypeParameterList: isTypeParameterList, invocation: { kind: 0 /* Call */, node: invocation }, argumentsSpan: argumentsSpan, argumentIndex: argumentIndex, argumentCount: argumentCount };
- }
- else if (ts.isNoSubstitutionTemplateLiteral(node) && ts.isTaggedTemplateExpression(parent)) {
- // Check if we're actually inside the template;
- // otherwise we'll fall out and return undefined.
- if (ts.isInsideTemplateLiteral(node, position, sourceFile)) {
- return getArgumentListInfoForTemplate(parent, /*argumentIndex*/ 0, sourceFile);
- }
- return undefined;
- }
- else if (ts.isTemplateHead(node) && parent.parent.kind === 198 /* TaggedTemplateExpression */) {
- var templateExpression = parent;
- var tagExpression = templateExpression.parent;
- ts.Debug.assert(templateExpression.kind === 211 /* TemplateExpression */);
- var argumentIndex = ts.isInsideTemplateLiteral(node, position, sourceFile) ? 0 : 1;
- return getArgumentListInfoForTemplate(tagExpression, argumentIndex, sourceFile);
- }
- else if (ts.isTemplateSpan(parent) && ts.isTaggedTemplateExpression(parent.parent.parent)) {
- var templateSpan = parent;
- var tagExpression = parent.parent.parent;
- // If we're just after a template tail, don't show signature help.
- if (ts.isTemplateTail(node) && !ts.isInsideTemplateLiteral(node, position, sourceFile)) {
- return undefined;
- }
- var spanIndex = templateSpan.parent.templateSpans.indexOf(templateSpan);
- var argumentIndex = getArgumentIndexForTemplatePiece(spanIndex, node, position, sourceFile);
- return getArgumentListInfoForTemplate(tagExpression, argumentIndex, sourceFile);
- }
- else if (ts.isJsxOpeningLikeElement(parent)) {
- // Provide a signature help for JSX opening element or JSX self-closing element.
- // This is not guarantee that JSX tag-name is resolved into stateless function component. (that is done in "getSignatureHelpItems")
- // i.e
- // export function MainButton(props: ButtonProps, context: any): JSX.Element { ... }
- // <MainButton /*signatureHelp*/
- var attributeSpanStart = parent.attributes.pos;
- var attributeSpanEnd = ts.skipTrivia(sourceFile.text, parent.attributes.end, /*stopAfterLineBreak*/ false);
- return {
- isTypeParameterList: false,
- invocation: { kind: 0 /* Call */, node: parent },
- argumentsSpan: ts.createTextSpan(attributeSpanStart, attributeSpanEnd - attributeSpanStart),
- argumentIndex: 0,
- argumentCount: 1
- };
- }
- else {
- var typeArgInfo = ts.getPossibleTypeArgumentsInfo(node, sourceFile);
- if (typeArgInfo) {
- var called = typeArgInfo.called, nTypeArguments = typeArgInfo.nTypeArguments;
- var invocation = { kind: 1 /* TypeArgs */, called: called };
- var argumentsSpan = ts.createTextSpanFromBounds(called.getStart(sourceFile), node.end);
- return { isTypeParameterList: true, invocation: invocation, argumentsSpan: argumentsSpan, argumentIndex: nTypeArguments, argumentCount: nTypeArguments + 1 };
- }
- return undefined;
- }
- }
- function getImmediatelyContainingArgumentOrContextualParameterInfo(node, position, sourceFile, checker) {
- return tryGetParameterInfo(node, position, sourceFile, checker) || getImmediatelyContainingArgumentInfo(node, position, sourceFile);
- }
- function getHighestBinary(b) {
- return ts.isBinaryExpression(b.parent) ? getHighestBinary(b.parent) : b;
- }
- function countBinaryExpressionParameters(b) {
- return ts.isBinaryExpression(b.left) ? countBinaryExpressionParameters(b.left) + 1 : 2;
- }
- function tryGetParameterInfo(startingToken, _position, sourceFile, checker) {
- var info = getContextualSignatureLocationInfo(startingToken, sourceFile, checker);
- if (!info)
- return undefined;
- var contextualType = info.contextualType, argumentIndex = info.argumentIndex, argumentCount = info.argumentCount, argumentsSpan = info.argumentsSpan;
- var signatures = contextualType.getCallSignatures();
- if (signatures.length !== 1)
- return undefined;
- var invocation = { kind: 2 /* Contextual */, signature: ts.first(signatures), node: startingToken, symbol: chooseBetterSymbol(contextualType.symbol) };
- return { isTypeParameterList: false, invocation: invocation, argumentsSpan: argumentsSpan, argumentIndex: argumentIndex, argumentCount: argumentCount };
- }
- function getContextualSignatureLocationInfo(startingToken, sourceFile, checker) {
- if (startingToken.kind !== 20 /* OpenParenToken */ && startingToken.kind !== 27 /* CommaToken */)
- return undefined;
- var parent = startingToken.parent;
- switch (parent.kind) {
- case 200 /* ParenthesizedExpression */:
- case 161 /* MethodDeclaration */:
- case 201 /* FunctionExpression */:
- case 202 /* ArrowFunction */:
- var info = getArgumentOrParameterListInfo(startingToken, sourceFile);
- if (!info)
- return undefined;
- var argumentIndex = info.argumentIndex, argumentCount = info.argumentCount, argumentsSpan = info.argumentsSpan;
- var contextualType = ts.isMethodDeclaration(parent) ? checker.getContextualTypeForObjectLiteralElement(parent) : checker.getContextualType(parent);
- return contextualType && { contextualType: contextualType, argumentIndex: argumentIndex, argumentCount: argumentCount, argumentsSpan: argumentsSpan };
- case 209 /* BinaryExpression */: {
- var highestBinary = getHighestBinary(parent);
- var contextualType_1 = checker.getContextualType(highestBinary);
- var argumentIndex_1 = startingToken.kind === 20 /* OpenParenToken */ ? 0 : countBinaryExpressionParameters(parent) - 1;
- var argumentCount_1 = countBinaryExpressionParameters(highestBinary);
- return contextualType_1 && { contextualType: contextualType_1, argumentIndex: argumentIndex_1, argumentCount: argumentCount_1, argumentsSpan: ts.createTextSpanFromNode(parent) };
- }
- default:
- return undefined;
- }
- }
- // The type of a function type node has a symbol at that node, but it's better to use the symbol for a parameter or type alias.
- function chooseBetterSymbol(s) {
- return s.name === "__type" /* Type */
- ? ts.firstDefined(s.declarations, function (d) { return ts.isFunctionTypeNode(d) ? d.parent.symbol : undefined; }) || s
- : s;
- }
- function getArgumentIndex(argumentsList, node) {
- // The list we got back can include commas. In the presence of errors it may
- // also just have nodes without commas. For example "Foo(a b c)" will have 3
- // args without commas. We want to find what index we're at. So we count
- // forward until we hit ourselves, only incrementing the index if it isn't a
- // comma.
- //
- // Note: the subtlety around trailing commas (in getArgumentCount) does not apply
- // here. That's because we're only walking forward until we hit the node we're
- // on. In that case, even if we're after the trailing comma, we'll still see
- // that trailing comma in the list, and we'll have generated the appropriate
- // arg index.
- var argumentIndex = 0;
- for (var _i = 0, _a = argumentsList.getChildren(); _i < _a.length; _i++) {
- var child = _a[_i];
- if (child === node) {
- break;
- }
- if (child.kind !== 27 /* CommaToken */) {
- argumentIndex++;
- }
- }
- return argumentIndex;
- }
- function getArgumentCount(argumentsList) {
- // The argument count for a list is normally the number of non-comma children it has.
- // For example, if you have "Foo(a,b)" then there will be three children of the arg
- // list 'a' '<comma>' 'b'. So, in this case the arg count will be 2. However, there
- // is a small subtlety. If you have "Foo(a,)", then the child list will just have
- // 'a' '<comma>'. So, in the case where the last child is a comma, we increase the
- // arg count by one to compensate.
- //
- // Note: this subtlety only applies to the last comma. If you had "Foo(a,," then
- // we'll have: 'a' '<comma>' '<missing>'
- // That will give us 2 non-commas. We then add one for the last comma, giving us an
- // arg count of 3.
- var listChildren = argumentsList.getChildren();
- var argumentCount = ts.countWhere(listChildren, function (arg) { return arg.kind !== 27 /* CommaToken */; });
- if (listChildren.length > 0 && ts.last(listChildren).kind === 27 /* CommaToken */) {
- argumentCount++;
- }
- return argumentCount;
- }
- // spanIndex is either the index for a given template span.
- // This does not give appropriate results for a NoSubstitutionTemplateLiteral
- function getArgumentIndexForTemplatePiece(spanIndex, node, position, sourceFile) {
- // Because the TemplateStringsArray is the first argument, we have to offset each substitution expression by 1.
- // There are three cases we can encounter:
- // 1. We are precisely in the template literal (argIndex = 0).
- // 2. We are in or to the right of the substitution expression (argIndex = spanIndex + 1).
- // 3. We are directly to the right of the template literal, but because we look for the token on the left,
- // not enough to put us in the substitution expression; we should consider ourselves part of
- // the *next* span's expression by offsetting the index (argIndex = (spanIndex + 1) + 1).
- //
- /* eslint-disable no-double-space */
- // Example: f `# abcd $#{# 1 + 1# }# efghi ${ #"#hello"# } # `
- // ^ ^ ^ ^ ^ ^ ^ ^ ^
- // Case: 1 1 3 2 1 3 2 2 1
- /* eslint-enable no-double-space */
- ts.Debug.assert(position >= node.getStart(), "Assumed 'position' could not occur before node.");
- if (ts.isTemplateLiteralToken(node)) {
- if (ts.isInsideTemplateLiteral(node, position, sourceFile)) {
- return 0;
- }
- return spanIndex + 2;
- }
- return spanIndex + 1;
- }
- function getArgumentListInfoForTemplate(tagExpression, argumentIndex, sourceFile) {
- // argumentCount is either 1 or (numSpans + 1) to account for the template strings array argument.
- var argumentCount = ts.isNoSubstitutionTemplateLiteral(tagExpression.template) ? 1 : tagExpression.template.templateSpans.length + 1;
- if (argumentIndex !== 0) {
- ts.Debug.assertLessThan(argumentIndex, argumentCount);
- }
- return {
- isTypeParameterList: false,
- invocation: { kind: 0 /* Call */, node: tagExpression },
- argumentsSpan: getApplicableSpanForTaggedTemplate(tagExpression, sourceFile),
- argumentIndex: argumentIndex,
- argumentCount: argumentCount
- };
- }
- function getApplicableSpanForArguments(argumentsList, sourceFile) {
- // We use full start and skip trivia on the end because we want to include trivia on
- // both sides. For example,
- //
- // foo( /*comment */ a, b, c /*comment*/ )
- // | |
- //
- // The applicable span is from the first bar to the second bar (inclusive,
- // but not including parentheses)
- var applicableSpanStart = argumentsList.getFullStart();
- var applicableSpanEnd = ts.skipTrivia(sourceFile.text, argumentsList.getEnd(), /*stopAfterLineBreak*/ false);
- return ts.createTextSpan(applicableSpanStart, applicableSpanEnd - applicableSpanStart);
- }
- function getApplicableSpanForTaggedTemplate(taggedTemplate, sourceFile) {
- var template = taggedTemplate.template;
- var applicableSpanStart = template.getStart();
- var applicableSpanEnd = template.getEnd();
- // We need to adjust the end position for the case where the template does not have a tail.
- // Otherwise, we will not show signature help past the expression.
- // For example,
- //
- // ` ${ 1 + 1 foo(10)
- // | |
- // This is because a Missing node has no width. However, what we actually want is to include trivia
- // leading up to the next token in case the user is about to type in a TemplateMiddle or TemplateTail.
- if (template.kind === 211 /* TemplateExpression */) {
- var lastSpan = ts.last(template.templateSpans);
- if (lastSpan.literal.getFullWidth() === 0) {
- applicableSpanEnd = ts.skipTrivia(sourceFile.text, applicableSpanEnd, /*stopAfterLineBreak*/ false);
- }
- }
- return ts.createTextSpan(applicableSpanStart, applicableSpanEnd - applicableSpanStart);
- }
- function getContainingArgumentInfo(node, position, sourceFile, checker, isManuallyInvoked) {
- var _loop_7 = function (n) {
- // If the node is not a subspan of its parent, this is a big problem.
- // There have been crashes that might be caused by this violation.
- ts.Debug.assert(ts.rangeContainsRange(n.parent, n), "Not a subspan", function () { return "Child: " + ts.Debug.formatSyntaxKind(n.kind) + ", parent: " + ts.Debug.formatSyntaxKind(n.parent.kind); });
- var argumentInfo = getImmediatelyContainingArgumentOrContextualParameterInfo(n, position, sourceFile, checker);
- if (argumentInfo) {
- return { value: argumentInfo };
- }
- };
- for (var n = node; !ts.isSourceFile(n) && (isManuallyInvoked || !ts.isBlock(n)); n = n.parent) {
- var state_2 = _loop_7(n);
- if (typeof state_2 === "object")
- return state_2.value;
- }
- return undefined;
- }
- function getChildListThatStartsWithOpenerToken(parent, openerToken, sourceFile) {
- var children = parent.getChildren(sourceFile);
- var indexOfOpenerToken = children.indexOf(openerToken);
- ts.Debug.assert(indexOfOpenerToken >= 0 && children.length > indexOfOpenerToken + 1);
- return children[indexOfOpenerToken + 1];
- }
- function getExpressionFromInvocation(invocation) {
- return invocation.kind === 0 /* Call */ ? ts.getInvokedExpression(invocation.node) : invocation.called;
- }
- function getEnclosingDeclarationFromInvocation(invocation) {
- return invocation.kind === 0 /* Call */ ? invocation.node : invocation.kind === 1 /* TypeArgs */ ? invocation.called : invocation.node;
- }
- var signatureHelpNodeBuilderFlags = 8192 /* OmitParameterModifiers */ | 70221824 /* IgnoreErrors */ | 16384 /* UseAliasDefinedOutsideCurrentScope */;
- function createSignatureHelpItems(candidates, resolvedSignature, _a, sourceFile, typeChecker) {
- var isTypeParameterList = _a.isTypeParameterList, argumentCount = _a.argumentCount, applicableSpan = _a.argumentsSpan, invocation = _a.invocation, argumentIndex = _a.argumentIndex;
- var enclosingDeclaration = getEnclosingDeclarationFromInvocation(invocation);
- var callTargetSymbol = invocation.kind === 2 /* Contextual */ ? invocation.symbol : typeChecker.getSymbolAtLocation(getExpressionFromInvocation(invocation));
- var callTargetDisplayParts = callTargetSymbol ? ts.symbolToDisplayParts(typeChecker, callTargetSymbol, /*enclosingDeclaration*/ undefined, /*meaning*/ undefined) : ts.emptyArray;
- var items = candidates.map(function (candidateSignature) { return getSignatureHelpItem(candidateSignature, callTargetDisplayParts, isTypeParameterList, typeChecker, enclosingDeclaration, sourceFile); });
- if (argumentIndex !== 0) {
- ts.Debug.assertLessThan(argumentIndex, argumentCount);
- }
- var selectedItemIndex = candidates.indexOf(resolvedSignature);
- ts.Debug.assert(selectedItemIndex !== -1); // If candidates is non-empty it should always include bestSignature. We check for an empty candidates before calling this function.
- return { items: items, applicableSpan: applicableSpan, selectedItemIndex: selectedItemIndex, argumentIndex: argumentIndex, argumentCount: argumentCount };
- }
- function createTypeHelpItems(symbol, _a, sourceFile, checker) {
- var argumentCount = _a.argumentCount, applicableSpan = _a.argumentsSpan, invocation = _a.invocation, argumentIndex = _a.argumentIndex;
- var typeParameters = checker.getLocalTypeParametersOfClassOrInterfaceOrTypeAlias(symbol);
- if (!typeParameters)
- return undefined;
- var items = [getTypeHelpItem(symbol, typeParameters, checker, getEnclosingDeclarationFromInvocation(invocation), sourceFile)];
- return { items: items, applicableSpan: applicableSpan, selectedItemIndex: 0, argumentIndex: argumentIndex, argumentCount: argumentCount };
- }
- function getTypeHelpItem(symbol, typeParameters, checker, enclosingDeclaration, sourceFile) {
- var typeSymbolDisplay = ts.symbolToDisplayParts(checker, symbol);
- var printer = ts.createPrinter({ removeComments: true });
- var parameters = typeParameters.map(function (t) { return createSignatureHelpParameterForTypeParameter(t, checker, enclosingDeclaration, sourceFile, printer); });
- var documentation = symbol.getDocumentationComment(checker);
- var tags = symbol.getJsDocTags();
- var prefixDisplayParts = __spreadArrays(typeSymbolDisplay, [ts.punctuationPart(29 /* LessThanToken */)]);
- return { isVariadic: false, prefixDisplayParts: prefixDisplayParts, suffixDisplayParts: [ts.punctuationPart(31 /* GreaterThanToken */)], separatorDisplayParts: separatorDisplayParts, parameters: parameters, documentation: documentation, tags: tags };
- }
- var separatorDisplayParts = [ts.punctuationPart(27 /* CommaToken */), ts.spacePart()];
- function getSignatureHelpItem(candidateSignature, callTargetDisplayParts, isTypeParameterList, checker, enclosingDeclaration, sourceFile) {
- var _a = (isTypeParameterList ? itemInfoForTypeParameters : itemInfoForParameters)(candidateSignature, checker, enclosingDeclaration, sourceFile), isVariadic = _a.isVariadic, parameters = _a.parameters, prefix = _a.prefix, suffix = _a.suffix;
- var prefixDisplayParts = __spreadArrays(callTargetDisplayParts, prefix);
- var suffixDisplayParts = __spreadArrays(suffix, returnTypeToDisplayParts(candidateSignature, enclosingDeclaration, checker));
- var documentation = candidateSignature.getDocumentationComment(checker);
- var tags = candidateSignature.getJsDocTags();
- return { isVariadic: isVariadic, prefixDisplayParts: prefixDisplayParts, suffixDisplayParts: suffixDisplayParts, separatorDisplayParts: separatorDisplayParts, parameters: parameters, documentation: documentation, tags: tags };
- }
- function returnTypeToDisplayParts(candidateSignature, enclosingDeclaration, checker) {
- return ts.mapToDisplayParts(function (writer) {
- writer.writePunctuation(":");
- writer.writeSpace(" ");
- var predicate = checker.getTypePredicateOfSignature(candidateSignature);
- if (predicate) {
- checker.writeTypePredicate(predicate, enclosingDeclaration, /*flags*/ undefined, writer);
- }
- else {
- checker.writeType(checker.getReturnTypeOfSignature(candidateSignature), enclosingDeclaration, /*flags*/ undefined, writer);
- }
- });
- }
- function itemInfoForTypeParameters(candidateSignature, checker, enclosingDeclaration, sourceFile) {
- var typeParameters = (candidateSignature.target || candidateSignature).typeParameters;
- var printer = ts.createPrinter({ removeComments: true });
- var parameters = (typeParameters || ts.emptyArray).map(function (t) { return createSignatureHelpParameterForTypeParameter(t, checker, enclosingDeclaration, sourceFile, printer); });
- var parameterParts = ts.mapToDisplayParts(function (writer) {
- var thisParameter = candidateSignature.thisParameter ? [checker.symbolToParameterDeclaration(candidateSignature.thisParameter, enclosingDeclaration, signatureHelpNodeBuilderFlags)] : [];
- var params = ts.createNodeArray(__spreadArrays(thisParameter, checker.getExpandedParameters(candidateSignature).map(function (param) { return checker.symbolToParameterDeclaration(param, enclosingDeclaration, signatureHelpNodeBuilderFlags); })));
- printer.writeList(2576 /* CallExpressionArguments */, params, sourceFile, writer);
- });
- return { isVariadic: false, parameters: parameters, prefix: [ts.punctuationPart(29 /* LessThanToken */)], suffix: __spreadArrays([ts.punctuationPart(31 /* GreaterThanToken */)], parameterParts) };
- }
- function itemInfoForParameters(candidateSignature, checker, enclosingDeclaration, sourceFile) {
- var isVariadic = checker.hasEffectiveRestParameter(candidateSignature);
- var printer = ts.createPrinter({ removeComments: true });
- var typeParameterParts = ts.mapToDisplayParts(function (writer) {
- if (candidateSignature.typeParameters && candidateSignature.typeParameters.length) {
- var args = ts.createNodeArray(candidateSignature.typeParameters.map(function (p) { return checker.typeParameterToDeclaration(p, enclosingDeclaration, signatureHelpNodeBuilderFlags); }));
- printer.writeList(53776 /* TypeParameters */, args, sourceFile, writer);
- }
- });
- var parameters = checker.getExpandedParameters(candidateSignature).map(function (p) { return createSignatureHelpParameterForParameter(p, checker, enclosingDeclaration, sourceFile, printer); });
- return { isVariadic: isVariadic, parameters: parameters, prefix: __spreadArrays(typeParameterParts, [ts.punctuationPart(20 /* OpenParenToken */)]), suffix: [ts.punctuationPart(21 /* CloseParenToken */)] };
- }
- function createSignatureHelpParameterForParameter(parameter, checker, enclosingDeclaration, sourceFile, printer) {
- var displayParts = ts.mapToDisplayParts(function (writer) {
- var param = checker.symbolToParameterDeclaration(parameter, enclosingDeclaration, signatureHelpNodeBuilderFlags);
- printer.writeNode(4 /* Unspecified */, param, sourceFile, writer);
- });
- var isOptional = checker.isOptionalParameter(parameter.valueDeclaration);
- return { name: parameter.name, documentation: parameter.getDocumentationComment(checker), displayParts: displayParts, isOptional: isOptional };
- }
- function createSignatureHelpParameterForTypeParameter(typeParameter, checker, enclosingDeclaration, sourceFile, printer) {
- var displayParts = ts.mapToDisplayParts(function (writer) {
- var param = checker.typeParameterToDeclaration(typeParameter, enclosingDeclaration, signatureHelpNodeBuilderFlags);
- printer.writeNode(4 /* Unspecified */, param, sourceFile, writer);
- });
- return { name: typeParameter.symbol.name, documentation: typeParameter.symbol.getDocumentationComment(checker), displayParts: displayParts, isOptional: false };
- }
- })(SignatureHelp = ts.SignatureHelp || (ts.SignatureHelp = {}));
-})(ts || (ts = {}));
-/* @internal */
-var ts;
-(function (ts) {
- var base64UrlRegExp = /^data:(?:application\/json(?:;charset=[uU][tT][fF]-8);base64,([A-Za-z0-9+\/=]+)$)?/;
- function getSourceMapper(host) {
- var getCanonicalFileName = ts.createGetCanonicalFileName(host.useCaseSensitiveFileNames());
- var currentDirectory = host.getCurrentDirectory();
- var sourceFileLike = ts.createMap();
- var documentPositionMappers = ts.createMap();
- return { tryGetSourcePosition: tryGetSourcePosition, tryGetGeneratedPosition: tryGetGeneratedPosition, toLineColumnOffset: toLineColumnOffset, clearCache: clearCache };
- function toPath(fileName) {
- return ts.toPath(fileName, currentDirectory, getCanonicalFileName);
- }
- function getDocumentPositionMapper(generatedFileName, sourceFileName) {
- var path = toPath(generatedFileName);
- var value = documentPositionMappers.get(path);
- if (value)
- return value;
- var mapper;
- if (host.getDocumentPositionMapper) {
- mapper = host.getDocumentPositionMapper(generatedFileName, sourceFileName);
- }
- else if (host.readFile) {
- var file = getSourceFileLike(generatedFileName);
- mapper = file && ts.getDocumentPositionMapper({ getSourceFileLike: getSourceFileLike, getCanonicalFileName: getCanonicalFileName, log: function (s) { return host.log(s); } }, generatedFileName, ts.getLineInfo(file.text, ts.getLineStarts(file)), function (f) { return !host.fileExists || host.fileExists(f) ? host.readFile(f) : undefined; });
- }
- documentPositionMappers.set(path, mapper || ts.identitySourceMapConsumer);
- return mapper || ts.identitySourceMapConsumer;
- }
- function tryGetSourcePosition(info) {
- if (!ts.isDeclarationFileName(info.fileName))
- return undefined;
- var file = getSourceFile(info.fileName);
- if (!file)
- return undefined;
- var newLoc = getDocumentPositionMapper(info.fileName).getSourcePosition(info);
- return !newLoc || newLoc === info ? undefined : tryGetSourcePosition(newLoc) || newLoc;
- }
- function tryGetGeneratedPosition(info) {
- if (ts.isDeclarationFileName(info.fileName))
- return undefined;
- var sourceFile = getSourceFile(info.fileName);
- if (!sourceFile)
- return undefined;
- var program = host.getProgram();
- // If this is source file of project reference source (instead of redirect) there is no generated position
- if (program.isSourceOfProjectReferenceRedirect(sourceFile.fileName)) {
- return undefined;
- }
- var options = program.getCompilerOptions();
- var outPath = options.outFile || options.out;
- var declarationPath = outPath ?
- ts.removeFileExtension(outPath) + ".d.ts" /* Dts */ :
- ts.getDeclarationEmitOutputFilePathWorker(info.fileName, program.getCompilerOptions(), currentDirectory, program.getCommonSourceDirectory(), getCanonicalFileName);
- if (declarationPath === undefined)
- return undefined;
- var newLoc = getDocumentPositionMapper(declarationPath, info.fileName).getGeneratedPosition(info);
- return newLoc === info ? undefined : newLoc;
- }
- function getSourceFile(fileName) {
- var program = host.getProgram();
- if (!program)
- return undefined;
- var path = toPath(fileName);
- // file returned here could be .d.ts when asked for .ts file if projectReferences and module resolution created this source file
- var file = program.getSourceFileByPath(path);
- return file && file.resolvedPath === path ? file : undefined;
- }
- function getOrCreateSourceFileLike(fileName) {
- var path = toPath(fileName);
- var fileFromCache = sourceFileLike.get(path);
- if (fileFromCache !== undefined)
- return fileFromCache ? fileFromCache : undefined;
- if (!host.readFile || host.fileExists && !host.fileExists(path)) {
- sourceFileLike.set(path, false);
- return undefined;
- }
- // And failing that, check the disk
- var text = host.readFile(path);
- var file = text ? createSourceFileLike(text) : false;
- sourceFileLike.set(path, file);
- return file ? file : undefined;
- }
- // This can be called from source mapper in either source program or program that includes generated file
- function getSourceFileLike(fileName) {
- return !host.getSourceFileLike ?
- getSourceFile(fileName) || getOrCreateSourceFileLike(fileName) :
- host.getSourceFileLike(fileName);
- }
- function toLineColumnOffset(fileName, position) {
- var file = getSourceFileLike(fileName); // TODO: GH#18217
- return file.getLineAndCharacterOfPosition(position);
- }
- function clearCache() {
- sourceFileLike.clear();
- documentPositionMappers.clear();
- }
- }
- ts.getSourceMapper = getSourceMapper;
- function getDocumentPositionMapper(host, generatedFileName, generatedFileLineInfo, readMapFile) {
- var mapFileName = ts.tryGetSourceMappingURL(generatedFileLineInfo);
- if (mapFileName) {
- var match = base64UrlRegExp.exec(mapFileName);
- if (match) {
- if (match[1]) {
- var base64Object = match[1];
- return convertDocumentToSourceMapper(host, ts.base64decode(ts.sys, base64Object), generatedFileName);
- }
- // Not a data URL we can parse, skip it
- mapFileName = undefined;
- }
- }
- var possibleMapLocations = [];
- if (mapFileName) {
- possibleMapLocations.push(mapFileName);
- }
- possibleMapLocations.push(generatedFileName + ".map");
- var originalMapFileName = mapFileName && ts.getNormalizedAbsolutePath(mapFileName, ts.getDirectoryPath(generatedFileName));
- for (var _i = 0, possibleMapLocations_1 = possibleMapLocations; _i < possibleMapLocations_1.length; _i++) {
- var location = possibleMapLocations_1[_i];
- var mapFileName_1 = ts.getNormalizedAbsolutePath(location, ts.getDirectoryPath(generatedFileName));
- var mapFileContents = readMapFile(mapFileName_1, originalMapFileName);
- if (ts.isString(mapFileContents)) {
- return convertDocumentToSourceMapper(host, mapFileContents, mapFileName_1);
- }
- if (mapFileContents !== undefined) {
- return mapFileContents || undefined;
- }
- }
- return undefined;
- }
- ts.getDocumentPositionMapper = getDocumentPositionMapper;
- function convertDocumentToSourceMapper(host, contents, mapFileName) {
- var map = ts.tryParseRawSourceMap(contents);
- if (!map || !map.sources || !map.file || !map.mappings) {
- // obviously invalid map
- return undefined;
- }
- // Dont support sourcemaps that contain inlined sources
- if (map.sourcesContent && map.sourcesContent.some(ts.isString))
- return undefined;
- return ts.createDocumentPositionMapper(host, map, mapFileName);
- }
- function createSourceFileLike(text, lineMap) {
- return {
- text: text,
- lineMap: lineMap,
- getLineAndCharacterOfPosition: function (pos) {
- return ts.computeLineAndCharacterOfPosition(ts.getLineStarts(this), pos);
- }
- };
- }
-})(ts || (ts = {}));
-/* @internal */
-var ts;
-(function (ts) {
- var visitedNestedConvertibleFunctions = ts.createMap();
- function computeSuggestionDiagnostics(sourceFile, program, cancellationToken) {
- program.getSemanticDiagnostics(sourceFile, cancellationToken);
- var diags = [];
- var checker = program.getTypeChecker();
- if (sourceFile.commonJsModuleIndicator &&
- (ts.programContainsEs6Modules(program) || ts.compilerOptionsIndicateEs6Modules(program.getCompilerOptions())) &&
- containsTopLevelCommonjs(sourceFile)) {
- diags.push(ts.createDiagnosticForNode(getErrorNodeFromCommonJsIndicator(sourceFile.commonJsModuleIndicator), ts.Diagnostics.File_is_a_CommonJS_module_it_may_be_converted_to_an_ES6_module));
- }
- var isJsFile = ts.isSourceFileJS(sourceFile);
- visitedNestedConvertibleFunctions.clear();
- check(sourceFile);
- if (ts.getAllowSyntheticDefaultImports(program.getCompilerOptions())) {
- for (var _i = 0, _a = sourceFile.imports; _i < _a.length; _i++) {
- var moduleSpecifier = _a[_i];
- var importNode = ts.importFromModuleSpecifier(moduleSpecifier);
- var name = importNameForConvertToDefaultImport(importNode);
- if (!name)
- continue;
- var module_1 = ts.getResolvedModule(sourceFile, moduleSpecifier.text);
- var resolvedFile = module_1 && program.getSourceFile(module_1.resolvedFileName);
- if (resolvedFile && resolvedFile.externalModuleIndicator && ts.isExportAssignment(resolvedFile.externalModuleIndicator) && resolvedFile.externalModuleIndicator.isExportEquals) {
- diags.push(ts.createDiagnosticForNode(name, ts.Diagnostics.Import_may_be_converted_to_a_default_import));
- }
- }
- }
- ts.addRange(diags, sourceFile.bindSuggestionDiagnostics);
- ts.addRange(diags, program.getSuggestionDiagnostics(sourceFile, cancellationToken));
- return diags.sort(function (d1, d2) { return d1.start - d2.start; });
- function check(node) {
- if (isJsFile) {
- if (canBeConvertedToClass(node)) {
- diags.push(ts.createDiagnosticForNode(ts.isVariableDeclaration(node.parent) ? node.parent.name : node, ts.Diagnostics.This_constructor_function_may_be_converted_to_a_class_declaration));
- }
- }
- else {
- if (ts.isVariableStatement(node) &&
- node.parent === sourceFile &&
- node.declarationList.flags & 2 /* Const */ &&
- node.declarationList.declarations.length === 1) {
- var init = node.declarationList.declarations[0].initializer;
- if (init && ts.isRequireCall(init, /*checkArgumentIsStringLiteralLike*/ true)) {
- diags.push(ts.createDiagnosticForNode(init, ts.Diagnostics.require_call_may_be_converted_to_an_import));
- }
- }
- if (ts.codefix.parameterShouldGetTypeFromJSDoc(node)) {
- diags.push(ts.createDiagnosticForNode(node.name || node, ts.Diagnostics.JSDoc_types_may_be_moved_to_TypeScript_types));
- }
- }
- if (ts.isFunctionLikeDeclaration(node)) {
- addConvertToAsyncFunctionDiagnostics(node, checker, diags);
- }
- node.forEachChild(check);
- }
- }
- ts.computeSuggestionDiagnostics = computeSuggestionDiagnostics;
- // convertToEs6Module only works on top-level, so don't trigger it if commonjs code only appears in nested scopes.
- function containsTopLevelCommonjs(sourceFile) {
- return sourceFile.statements.some(function (statement) {
- switch (statement.kind) {
- case 225 /* VariableStatement */:
- return statement.declarationList.declarations.some(function (decl) {
- return !!decl.initializer && ts.isRequireCall(propertyAccessLeftHandSide(decl.initializer), /*checkArgumentIsStringLiteralLike*/ true);
- });
- case 226 /* ExpressionStatement */: {
- var expression = statement.expression;
- if (!ts.isBinaryExpression(expression))
- return ts.isRequireCall(expression, /*checkArgumentIsStringLiteralLike*/ true);
- var kind = ts.getAssignmentDeclarationKind(expression);
- return kind === 1 /* ExportsProperty */ || kind === 2 /* ModuleExports */;
- }
- default:
- return false;
- }
- });
- }
- function propertyAccessLeftHandSide(node) {
- return ts.isPropertyAccessExpression(node) ? propertyAccessLeftHandSide(node.expression) : node;
- }
- function importNameForConvertToDefaultImport(node) {
- switch (node.kind) {
- case 254 /* ImportDeclaration */:
- var importClause = node.importClause, moduleSpecifier = node.moduleSpecifier;
- return importClause && !importClause.name && importClause.namedBindings && importClause.namedBindings.kind === 256 /* NamespaceImport */ && ts.isStringLiteral(moduleSpecifier)
- ? importClause.namedBindings.name
- : undefined;
- case 253 /* ImportEqualsDeclaration */:
- return node.name;
- default:
- return undefined;
- }
- }
- function addConvertToAsyncFunctionDiagnostics(node, checker, diags) {
- // need to check function before checking map so that deeper levels of nested callbacks are checked
- if (isConvertibleFunction(node, checker) && !visitedNestedConvertibleFunctions.has(getKeyFromNode(node))) {
- diags.push(ts.createDiagnosticForNode(!node.name && ts.isVariableDeclaration(node.parent) && ts.isIdentifier(node.parent.name) ? node.parent.name : node, ts.Diagnostics.This_may_be_converted_to_an_async_function));
- }
- }
- function isConvertibleFunction(node, checker) {
- return !ts.isAsyncFunction(node) &&
- node.body &&
- ts.isBlock(node.body) &&
- hasReturnStatementWithPromiseHandler(node.body) &&
- returnsPromise(node, checker);
- }
- function returnsPromise(node, checker) {
- var functionType = checker.getTypeAtLocation(node);
- var callSignatures = checker.getSignaturesOfType(functionType, 0 /* Call */);
- var returnType = callSignatures.length ? checker.getReturnTypeOfSignature(callSignatures[0]) : undefined;
- return !!returnType && !!checker.getPromisedTypeOfPromise(returnType);
- }
- function getErrorNodeFromCommonJsIndicator(commonJsModuleIndicator) {
- return ts.isBinaryExpression(commonJsModuleIndicator) ? commonJsModuleIndicator.left : commonJsModuleIndicator;
- }
- function hasReturnStatementWithPromiseHandler(body) {
- return !!ts.forEachReturnStatement(body, isReturnStatementWithFixablePromiseHandler);
- }
- function isReturnStatementWithFixablePromiseHandler(node) {
- return ts.isReturnStatement(node) && !!node.expression && isFixablePromiseHandler(node.expression);
- }
- ts.isReturnStatementWithFixablePromiseHandler = isReturnStatementWithFixablePromiseHandler;
- // Should be kept up to date with transformExpression in convertToAsyncFunction.ts
- function isFixablePromiseHandler(node) {
- // ensure outermost call exists and is a promise handler
- if (!isPromiseHandler(node) || !node.arguments.every(isFixablePromiseArgument)) {
- return false;
- }
- // ensure all chained calls are valid
- var currentNode = node.expression;
- while (isPromiseHandler(currentNode) || ts.isPropertyAccessExpression(currentNode)) {
- if (ts.isCallExpression(currentNode) && !currentNode.arguments.every(isFixablePromiseArgument)) {
- return false;
- }
- currentNode = currentNode.expression;
- }
- return true;
- }
- ts.isFixablePromiseHandler = isFixablePromiseHandler;
- function isPromiseHandler(node) {
- return ts.isCallExpression(node) && (ts.hasPropertyAccessExpressionWithName(node, "then") && hasSupportedNumberOfArguments(node) ||
- ts.hasPropertyAccessExpressionWithName(node, "catch"));
- }
- function hasSupportedNumberOfArguments(node) {
- if (node.arguments.length > 2)
- return false;
- if (node.arguments.length < 2)
- return true;
- return ts.some(node.arguments, function (arg) {
- return arg.kind === 100 /* NullKeyword */ ||
- ts.isIdentifier(arg) && arg.text === "undefined";
- });
- }
- // should be kept up to date with getTransformationBody in convertToAsyncFunction.ts
- function isFixablePromiseArgument(arg) {
- switch (arg.kind) {
- case 244 /* FunctionDeclaration */:
- case 201 /* FunctionExpression */:
- case 202 /* ArrowFunction */:
- visitedNestedConvertibleFunctions.set(getKeyFromNode(arg), true);
- // falls through
- case 100 /* NullKeyword */:
- case 75 /* Identifier */: // identifier includes undefined
- return true;
- default:
- return false;
- }
- }
- function getKeyFromNode(exp) {
- return exp.pos.toString() + ":" + exp.end.toString();
- }
- function canBeConvertedToClass(node) {
- var _a, _b, _c, _d;
- if (node.kind === 201 /* FunctionExpression */) {
- if (ts.isVariableDeclaration(node.parent) && ((_a = node.symbol.members) === null || _a === void 0 ? void 0 : _a.size)) {
- return true;
- }
- var decl = ts.getDeclarationOfExpando(node);
- var symbol = decl === null || decl === void 0 ? void 0 : decl.symbol;
- return !!(symbol && (((_b = symbol.exports) === null || _b === void 0 ? void 0 : _b.size) || ((_c = symbol.members) === null || _c === void 0 ? void 0 : _c.size)));
- }
- if (node.kind === 244 /* FunctionDeclaration */) {
- return !!((_d = node.symbol.members) === null || _d === void 0 ? void 0 : _d.size);
- }
- return false;
- }
-})(ts || (ts = {}));
-/* @internal */
-var ts;
-(function (ts) {
- var SymbolDisplay;
- (function (SymbolDisplay) {
- var symbolDisplayNodeBuilderFlags = 8192 /* OmitParameterModifiers */ | 70221824 /* IgnoreErrors */ | 16384 /* UseAliasDefinedOutsideCurrentScope */;
- // TODO(drosen): use contextual SemanticMeaning.
- function getSymbolKind(typeChecker, symbol, location) {
- var result = getSymbolKindOfConstructorPropertyMethodAccessorFunctionOrVar(typeChecker, symbol, location);
- if (result !== "" /* unknown */) {
- return result;
- }
- var flags = ts.getCombinedLocalAndExportSymbolFlags(symbol);
- if (flags & 32 /* Class */) {
- return ts.getDeclarationOfKind(symbol, 214 /* ClassExpression */) ?
- "local class" /* localClassElement */ : "class" /* classElement */;
- }
- if (flags & 384 /* Enum */)
- return "enum" /* enumElement */;
- if (flags & 524288 /* TypeAlias */)
- return "type" /* typeElement */;
- if (flags & 64 /* Interface */)
- return "interface" /* interfaceElement */;
- if (flags & 262144 /* TypeParameter */)
- return "type parameter" /* typeParameterElement */;
- if (flags & 8 /* EnumMember */)
- return "enum member" /* enumMemberElement */;
- if (flags & 2097152 /* Alias */)
- return "alias" /* alias */;
- if (flags & 1536 /* Module */)
- return "module" /* moduleElement */;
- return result;
- }
- SymbolDisplay.getSymbolKind = getSymbolKind;
- function getSymbolKindOfConstructorPropertyMethodAccessorFunctionOrVar(typeChecker, symbol, location) {
- var roots = typeChecker.getRootSymbols(symbol);
- // If this is a method from a mapped type, leave as a method so long as it still has a call signature.
- if (roots.length === 1
- && ts.first(roots).flags & 8192 /* Method */
- // Ensure the mapped version is still a method, as opposed to `{ [K in keyof I]: number }`.
- && typeChecker.getTypeOfSymbolAtLocation(symbol, location).getNonNullableType().getCallSignatures().length !== 0) {
- return "method" /* memberFunctionElement */;
- }
- if (typeChecker.isUndefinedSymbol(symbol)) {
- return "var" /* variableElement */;
- }
- if (typeChecker.isArgumentsSymbol(symbol)) {
- return "local var" /* localVariableElement */;
- }
- if (location.kind === 104 /* ThisKeyword */ && ts.isExpression(location)) {
- return "parameter" /* parameterElement */;
- }
- var flags = ts.getCombinedLocalAndExportSymbolFlags(symbol);
- if (flags & 3 /* Variable */) {
- if (ts.isFirstDeclarationOfSymbolParameter(symbol)) {
- return "parameter" /* parameterElement */;
- }
- else if (symbol.valueDeclaration && ts.isVarConst(symbol.valueDeclaration)) {
- return "const" /* constElement */;
- }
- else if (ts.forEach(symbol.declarations, ts.isLet)) {
- return "let" /* letElement */;
- }
- return isLocalVariableOrFunction(symbol) ? "local var" /* localVariableElement */ : "var" /* variableElement */;
- }
- if (flags & 16 /* Function */)
- return isLocalVariableOrFunction(symbol) ? "local function" /* localFunctionElement */ : "function" /* functionElement */;
- if (flags & 32768 /* GetAccessor */)
- return "getter" /* memberGetAccessorElement */;
- if (flags & 65536 /* SetAccessor */)
- return "setter" /* memberSetAccessorElement */;
- if (flags & 8192 /* Method */)
- return "method" /* memberFunctionElement */;
- if (flags & 16384 /* Constructor */)
- return "constructor" /* constructorImplementationElement */;
- if (flags & 4 /* Property */) {
- if (flags & 33554432 /* Transient */ && symbol.checkFlags & 6 /* Synthetic */) {
- // If union property is result of union of non method (property/accessors/variables), it is labeled as property
- var unionPropertyKind = ts.forEach(typeChecker.getRootSymbols(symbol), function (rootSymbol) {
- var rootSymbolFlags = rootSymbol.getFlags();
- if (rootSymbolFlags & (98308 /* PropertyOrAccessor */ | 3 /* Variable */)) {
- return "property" /* memberVariableElement */;
- }
- // May be a Function if this was from `typeof N` with `namespace N { function f();. }`.
- ts.Debug.assert(!!(rootSymbolFlags & (8192 /* Method */ | 16 /* Function */)));
- });
- if (!unionPropertyKind) {
- // If this was union of all methods,
- // make sure it has call signatures before we can label it as method
- var typeOfUnionProperty = typeChecker.getTypeOfSymbolAtLocation(symbol, location);
- if (typeOfUnionProperty.getCallSignatures().length) {
- return "method" /* memberFunctionElement */;
- }
- return "property" /* memberVariableElement */;
- }
- return unionPropertyKind;
- }
- // If we requested completions after `x.` at the top-level, we may be at a source file location.
- switch (location.parent && location.parent.kind) {
- // If we've typed a character of the attribute name, will be 'JsxAttribute', else will be 'JsxOpeningElement'.
- case 268 /* JsxOpeningElement */:
- case 266 /* JsxElement */:
- case 267 /* JsxSelfClosingElement */:
- return location.kind === 75 /* Identifier */ ? "property" /* memberVariableElement */ : "JSX attribute" /* jsxAttribute */;
- case 273 /* JsxAttribute */:
- return "JSX attribute" /* jsxAttribute */;
- default:
- return "property" /* memberVariableElement */;
- }
- }
- return "" /* unknown */;
- }
- function getSymbolModifiers(symbol) {
- var nodeModifiers = symbol && symbol.declarations && symbol.declarations.length > 0
- ? ts.getNodeModifiers(symbol.declarations[0])
- : "" /* none */;
- var symbolModifiers = symbol && symbol.flags & 16777216 /* Optional */ ?
- "optional" /* optionalModifier */
- : "" /* none */;
- return nodeModifiers && symbolModifiers ? nodeModifiers + "," + symbolModifiers : nodeModifiers || symbolModifiers;
- }
- SymbolDisplay.getSymbolModifiers = getSymbolModifiers;
- // TODO(drosen): Currently completion entry details passes the SemanticMeaning.All instead of using semanticMeaning of location
- function getSymbolDisplayPartsDocumentationAndSymbolKind(typeChecker, symbol, sourceFile, enclosingDeclaration, location, semanticMeaning, alias) {
- if (semanticMeaning === void 0) { semanticMeaning = ts.getMeaningFromLocation(location); }
- var displayParts = [];
- var documentation = [];
- var tags = [];
- var symbolFlags = ts.getCombinedLocalAndExportSymbolFlags(symbol);
- var symbolKind = semanticMeaning & 1 /* Value */ ? getSymbolKindOfConstructorPropertyMethodAccessorFunctionOrVar(typeChecker, symbol, location) : "" /* unknown */;
- var hasAddedSymbolInfo = false;
- var isThisExpression = location.kind === 104 /* ThisKeyword */ && ts.isInExpressionContext(location);
- var type;
- var printer;
- var documentationFromAlias;
- var tagsFromAlias;
- var hasMultipleSignatures = false;
- if (location.kind === 104 /* ThisKeyword */ && !isThisExpression) {
- return { displayParts: [ts.keywordPart(104 /* ThisKeyword */)], documentation: [], symbolKind: "primitive type" /* primitiveType */, tags: undefined };
- }
- // Class at constructor site need to be shown as constructor apart from property,method, vars
- if (symbolKind !== "" /* unknown */ || symbolFlags & 32 /* Class */ || symbolFlags & 2097152 /* Alias */) {
- // If it is accessor they are allowed only if location is at name of the accessor
- if (symbolKind === "getter" /* memberGetAccessorElement */ || symbolKind === "setter" /* memberSetAccessorElement */) {
- symbolKind = "property" /* memberVariableElement */;
- }
- var signature = void 0;
- type = isThisExpression ? typeChecker.getTypeAtLocation(location) : typeChecker.getTypeOfSymbolAtLocation(symbol.exportSymbol || symbol, location);
- if (location.parent && location.parent.kind === 194 /* PropertyAccessExpression */) {
- var right = location.parent.name;
- // Either the location is on the right of a property access, or on the left and the right is missing
- if (right === location || (right && right.getFullWidth() === 0)) {
- location = location.parent;
- }
- }
- // try get the call/construct signature from the type if it matches
- var callExpressionLike = void 0;
- if (ts.isCallOrNewExpression(location)) {
- callExpressionLike = location;
- }
- else if (ts.isCallExpressionTarget(location) || ts.isNewExpressionTarget(location)) {
- callExpressionLike = location.parent;
- }
- else if (location.parent && ts.isJsxOpeningLikeElement(location.parent) && ts.isFunctionLike(symbol.valueDeclaration)) {
- callExpressionLike = location.parent;
- }
- if (callExpressionLike) {
- signature = typeChecker.getResolvedSignature(callExpressionLike); // TODO: GH#18217
- var useConstructSignatures = callExpressionLike.kind === 197 /* NewExpression */ || (ts.isCallExpression(callExpressionLike) && callExpressionLike.expression.kind === 102 /* SuperKeyword */);
- var allSignatures = useConstructSignatures ? type.getConstructSignatures() : type.getCallSignatures();
- if (!ts.contains(allSignatures, signature.target) && !ts.contains(allSignatures, signature)) {
- // Get the first signature if there is one -- allSignatures may contain
- // either the original signature or its target, so check for either
- signature = allSignatures.length ? allSignatures[0] : undefined;
- }
- if (signature) {
- if (useConstructSignatures && (symbolFlags & 32 /* Class */)) {
- // Constructor
- symbolKind = "constructor" /* constructorImplementationElement */;
- addPrefixForAnyFunctionOrVar(type.symbol, symbolKind);
- }
- else if (symbolFlags & 2097152 /* Alias */) {
- symbolKind = "alias" /* alias */;
- pushSymbolKind(symbolKind);
- displayParts.push(ts.spacePart());
- if (useConstructSignatures) {
- displayParts.push(ts.keywordPart(99 /* NewKeyword */));
- displayParts.push(ts.spacePart());
- }
- addFullSymbolName(symbol);
- }
- else {
- addPrefixForAnyFunctionOrVar(symbol, symbolKind);
- }
- switch (symbolKind) {
- case "JSX attribute" /* jsxAttribute */:
- case "property" /* memberVariableElement */:
- case "var" /* variableElement */:
- case "const" /* constElement */:
- case "let" /* letElement */:
- case "parameter" /* parameterElement */:
- case "local var" /* localVariableElement */:
- // If it is call or construct signature of lambda's write type name
- displayParts.push(ts.punctuationPart(58 /* ColonToken */));
- displayParts.push(ts.spacePart());
- if (!(ts.getObjectFlags(type) & 16 /* Anonymous */) && type.symbol) {
- ts.addRange(displayParts, ts.symbolToDisplayParts(typeChecker, type.symbol, enclosingDeclaration, /*meaning*/ undefined, 4 /* AllowAnyNodeKind */ | 1 /* WriteTypeParametersOrArguments */));
- displayParts.push(ts.lineBreakPart());
- }
- if (useConstructSignatures) {
- displayParts.push(ts.keywordPart(99 /* NewKeyword */));
- displayParts.push(ts.spacePart());
- }
- addSignatureDisplayParts(signature, allSignatures, 262144 /* WriteArrowStyleSignature */);
- break;
- default:
- // Just signature
- addSignatureDisplayParts(signature, allSignatures);
- }
- hasAddedSymbolInfo = true;
- hasMultipleSignatures = allSignatures.length > 1;
- }
- }
- else if ((ts.isNameOfFunctionDeclaration(location) && !(symbolFlags & 98304 /* Accessor */)) || // name of function declaration
- (location.kind === 129 /* ConstructorKeyword */ && location.parent.kind === 162 /* Constructor */)) { // At constructor keyword of constructor declaration
- // get the signature from the declaration and write it
- var functionDeclaration_1 = location.parent;
- // Use function declaration to write the signatures only if the symbol corresponding to this declaration
- var locationIsSymbolDeclaration = symbol.declarations && ts.find(symbol.declarations, function (declaration) {
- return declaration === (location.kind === 129 /* ConstructorKeyword */ ? functionDeclaration_1.parent : functionDeclaration_1);
- });
- if (locationIsSymbolDeclaration) {
- var allSignatures = functionDeclaration_1.kind === 162 /* Constructor */ ? type.getNonNullableType().getConstructSignatures() : type.getNonNullableType().getCallSignatures();
- if (!typeChecker.isImplementationOfOverload(functionDeclaration_1)) {
- signature = typeChecker.getSignatureFromDeclaration(functionDeclaration_1); // TODO: GH#18217
- }
- else {
- signature = allSignatures[0];
- }
- if (functionDeclaration_1.kind === 162 /* Constructor */) {
- // show (constructor) Type(...) signature
- symbolKind = "constructor" /* constructorImplementationElement */;
- addPrefixForAnyFunctionOrVar(type.symbol, symbolKind);
- }
- else {
- // (function/method) symbol(..signature)
- addPrefixForAnyFunctionOrVar(functionDeclaration_1.kind === 165 /* CallSignature */ &&
- !(type.symbol.flags & 2048 /* TypeLiteral */ || type.symbol.flags & 4096 /* ObjectLiteral */) ? type.symbol : symbol, symbolKind);
- }
- addSignatureDisplayParts(signature, allSignatures);
- hasAddedSymbolInfo = true;
- hasMultipleSignatures = allSignatures.length > 1;
- }
- }
- }
- if (symbolFlags & 32 /* Class */ && !hasAddedSymbolInfo && !isThisExpression) {
- addAliasPrefixIfNecessary();
- if (ts.getDeclarationOfKind(symbol, 214 /* ClassExpression */)) {
- // Special case for class expressions because we would like to indicate that
- // the class name is local to the class body (similar to function expression)
- // (local class) class <className>
- pushSymbolKind("local class" /* localClassElement */);
- }
- else {
- // Class declaration has name which is not local.
- displayParts.push(ts.keywordPart(80 /* ClassKeyword */));
- }
- displayParts.push(ts.spacePart());
- addFullSymbolName(symbol);
- writeTypeParametersOfSymbol(symbol, sourceFile);
- }
- if ((symbolFlags & 64 /* Interface */) && (semanticMeaning & 2 /* Type */)) {
- prefixNextMeaning();
- displayParts.push(ts.keywordPart(114 /* InterfaceKeyword */));
- displayParts.push(ts.spacePart());
- addFullSymbolName(symbol);
- writeTypeParametersOfSymbol(symbol, sourceFile);
- }
- if ((symbolFlags & 524288 /* TypeAlias */) && (semanticMeaning & 2 /* Type */)) {
- prefixNextMeaning();
- displayParts.push(ts.keywordPart(145 /* TypeKeyword */));
- displayParts.push(ts.spacePart());
- addFullSymbolName(symbol);
- writeTypeParametersOfSymbol(symbol, sourceFile);
- displayParts.push(ts.spacePart());
- displayParts.push(ts.operatorPart(62 /* EqualsToken */));
- displayParts.push(ts.spacePart());
- ts.addRange(displayParts, ts.typeToDisplayParts(typeChecker, typeChecker.getDeclaredTypeOfSymbol(symbol), enclosingDeclaration, 8388608 /* InTypeAlias */));
- }
- if (symbolFlags & 384 /* Enum */) {
- prefixNextMeaning();
- if (ts.some(symbol.declarations, function (d) { return ts.isEnumDeclaration(d) && ts.isEnumConst(d); })) {
- displayParts.push(ts.keywordPart(81 /* ConstKeyword */));
- displayParts.push(ts.spacePart());
- }
- displayParts.push(ts.keywordPart(88 /* EnumKeyword */));
- displayParts.push(ts.spacePart());
- addFullSymbolName(symbol);
- }
- if (symbolFlags & 1536 /* Module */ && !isThisExpression) {
- prefixNextMeaning();
- var declaration = ts.getDeclarationOfKind(symbol, 249 /* ModuleDeclaration */);
- var isNamespace = declaration && declaration.name && declaration.name.kind === 75 /* Identifier */;
- displayParts.push(ts.keywordPart(isNamespace ? 136 /* NamespaceKeyword */ : 135 /* ModuleKeyword */));
- displayParts.push(ts.spacePart());
- addFullSymbolName(symbol);
- }
- if ((symbolFlags & 262144 /* TypeParameter */) && (semanticMeaning & 2 /* Type */)) {
- prefixNextMeaning();
- displayParts.push(ts.punctuationPart(20 /* OpenParenToken */));
- displayParts.push(ts.textPart("type parameter"));
- displayParts.push(ts.punctuationPart(21 /* CloseParenToken */));
- displayParts.push(ts.spacePart());
- addFullSymbolName(symbol);
- if (symbol.parent) {
- // Class/Interface type parameter
- addInPrefix();
- addFullSymbolName(symbol.parent, enclosingDeclaration);
- writeTypeParametersOfSymbol(symbol.parent, enclosingDeclaration);
- }
- else {
- // Method/function type parameter
- var decl = ts.getDeclarationOfKind(symbol, 155 /* TypeParameter */);
- if (decl === undefined)
- return ts.Debug.fail();
- var declaration = decl.parent;
- if (declaration) {
- if (ts.isFunctionLikeKind(declaration.kind)) {
- addInPrefix();
- var signature = typeChecker.getSignatureFromDeclaration(declaration); // TODO: GH#18217
- if (declaration.kind === 166 /* ConstructSignature */) {
- displayParts.push(ts.keywordPart(99 /* NewKeyword */));
- displayParts.push(ts.spacePart());
- }
- else if (declaration.kind !== 165 /* CallSignature */ && declaration.name) {
- addFullSymbolName(declaration.symbol);
- }
- ts.addRange(displayParts, ts.signatureToDisplayParts(typeChecker, signature, sourceFile, 32 /* WriteTypeArgumentsOfSignature */));
- }
- else if (declaration.kind === 247 /* TypeAliasDeclaration */) {
- // Type alias type parameter
- // For example
- // type list<T> = T[]; // Both T will go through same code path
- addInPrefix();
- displayParts.push(ts.keywordPart(145 /* TypeKeyword */));
- displayParts.push(ts.spacePart());
- addFullSymbolName(declaration.symbol);
- writeTypeParametersOfSymbol(declaration.symbol, sourceFile);
- }
- }
- }
- }
- if (symbolFlags & 8 /* EnumMember */) {
- symbolKind = "enum member" /* enumMemberElement */;
- addPrefixForAnyFunctionOrVar(symbol, "enum member");
- var declaration = symbol.declarations[0];
- if (declaration.kind === 284 /* EnumMember */) {
- var constantValue = typeChecker.getConstantValue(declaration);
- if (constantValue !== undefined) {
- displayParts.push(ts.spacePart());
- displayParts.push(ts.operatorPart(62 /* EqualsToken */));
- displayParts.push(ts.spacePart());
- displayParts.push(ts.displayPart(ts.getTextOfConstantValue(constantValue), typeof constantValue === "number" ? ts.SymbolDisplayPartKind.numericLiteral : ts.SymbolDisplayPartKind.stringLiteral));
- }
- }
- }
- if (symbolFlags & 2097152 /* Alias */) {
- prefixNextMeaning();
- if (!hasAddedSymbolInfo) {
- var resolvedSymbol = typeChecker.getAliasedSymbol(symbol);
- if (resolvedSymbol !== symbol && resolvedSymbol.declarations && resolvedSymbol.declarations.length > 0) {
- var resolvedNode = resolvedSymbol.declarations[0];
- var declarationName = ts.getNameOfDeclaration(resolvedNode);
- if (declarationName) {
- var isExternalModuleDeclaration = ts.isModuleWithStringLiteralName(resolvedNode) &&
- ts.hasModifier(resolvedNode, 2 /* Ambient */);
- var shouldUseAliasName = symbol.name !== "default" && !isExternalModuleDeclaration;
- var resolvedInfo = getSymbolDisplayPartsDocumentationAndSymbolKind(typeChecker, resolvedSymbol, ts.getSourceFileOfNode(resolvedNode), resolvedNode, declarationName, semanticMeaning, shouldUseAliasName ? symbol : resolvedSymbol);
- displayParts.push.apply(displayParts, resolvedInfo.displayParts);
- displayParts.push(ts.lineBreakPart());
- documentationFromAlias = resolvedInfo.documentation;
- tagsFromAlias = resolvedInfo.tags;
- }
- }
- }
- switch (symbol.declarations[0].kind) {
- case 252 /* NamespaceExportDeclaration */:
- displayParts.push(ts.keywordPart(89 /* ExportKeyword */));
- displayParts.push(ts.spacePart());
- displayParts.push(ts.keywordPart(136 /* NamespaceKeyword */));
- break;
- case 259 /* ExportAssignment */:
- displayParts.push(ts.keywordPart(89 /* ExportKeyword */));
- displayParts.push(ts.spacePart());
- displayParts.push(ts.keywordPart(symbol.declarations[0].isExportEquals ? 62 /* EqualsToken */ : 84 /* DefaultKeyword */));
- break;
- case 263 /* ExportSpecifier */:
- displayParts.push(ts.keywordPart(89 /* ExportKeyword */));
- break;
- default:
- displayParts.push(ts.keywordPart(96 /* ImportKeyword */));
- }
- displayParts.push(ts.spacePart());
- addFullSymbolName(symbol);
- ts.forEach(symbol.declarations, function (declaration) {
- if (declaration.kind === 253 /* ImportEqualsDeclaration */) {
- var importEqualsDeclaration = declaration;
- if (ts.isExternalModuleImportEqualsDeclaration(importEqualsDeclaration)) {
- displayParts.push(ts.spacePart());
- displayParts.push(ts.operatorPart(62 /* EqualsToken */));
- displayParts.push(ts.spacePart());
- displayParts.push(ts.keywordPart(139 /* RequireKeyword */));
- displayParts.push(ts.punctuationPart(20 /* OpenParenToken */));
- displayParts.push(ts.displayPart(ts.getTextOfNode(ts.getExternalModuleImportEqualsDeclarationExpression(importEqualsDeclaration)), ts.SymbolDisplayPartKind.stringLiteral));
- displayParts.push(ts.punctuationPart(21 /* CloseParenToken */));
- }
- else {
- var internalAliasSymbol = typeChecker.getSymbolAtLocation(importEqualsDeclaration.moduleReference);
- if (internalAliasSymbol) {
- displayParts.push(ts.spacePart());
- displayParts.push(ts.operatorPart(62 /* EqualsToken */));
- displayParts.push(ts.spacePart());
- addFullSymbolName(internalAliasSymbol, enclosingDeclaration);
- }
- }
- return true;
- }
- });
- }
- if (!hasAddedSymbolInfo) {
- if (symbolKind !== "" /* unknown */) {
- if (type) {
- if (isThisExpression) {
- prefixNextMeaning();
- displayParts.push(ts.keywordPart(104 /* ThisKeyword */));
- }
- else {
- addPrefixForAnyFunctionOrVar(symbol, symbolKind);
- }
- // For properties, variables and local vars: show the type
- if (symbolKind === "property" /* memberVariableElement */ ||
- symbolKind === "JSX attribute" /* jsxAttribute */ ||
- symbolFlags & 3 /* Variable */ ||
- symbolKind === "local var" /* localVariableElement */ ||
- isThisExpression) {
- displayParts.push(ts.punctuationPart(58 /* ColonToken */));
- displayParts.push(ts.spacePart());
- // If the type is type parameter, format it specially
- if (type.symbol && type.symbol.flags & 262144 /* TypeParameter */) {
- var typeParameterParts = ts.mapToDisplayParts(function (writer) {
- var param = typeChecker.typeParameterToDeclaration(type, enclosingDeclaration, symbolDisplayNodeBuilderFlags);
- getPrinter().writeNode(4 /* Unspecified */, param, ts.getSourceFileOfNode(ts.getParseTreeNode(enclosingDeclaration)), writer);
- });
- ts.addRange(displayParts, typeParameterParts);
- }
- else {
- ts.addRange(displayParts, ts.typeToDisplayParts(typeChecker, type, enclosingDeclaration));
- }
- }
- else if (symbolFlags & 16 /* Function */ ||
- symbolFlags & 8192 /* Method */ ||
- symbolFlags & 16384 /* Constructor */ ||
- symbolFlags & 131072 /* Signature */ ||
- symbolFlags & 98304 /* Accessor */ ||
- symbolKind === "method" /* memberFunctionElement */) {
- var allSignatures = type.getNonNullableType().getCallSignatures();
- if (allSignatures.length) {
- addSignatureDisplayParts(allSignatures[0], allSignatures);
- hasMultipleSignatures = allSignatures.length > 1;
- }
- }
- }
- }
- else {
- symbolKind = getSymbolKind(typeChecker, symbol, location);
- }
- }
- if (documentation.length === 0 && !hasMultipleSignatures) {
- documentation = symbol.getDocumentationComment(typeChecker);
- }
- if (documentation.length === 0 && symbolFlags & 4 /* Property */) {
- // For some special property access expressions like `exports.foo = foo` or `module.exports.foo = foo`
- // there documentation comments might be attached to the right hand side symbol of their declarations.
- // The pattern of such special property access is that the parent symbol is the symbol of the file.
- if (symbol.parent && ts.forEach(symbol.parent.declarations, function (declaration) { return declaration.kind === 290 /* SourceFile */; })) {
- for (var _i = 0, _a = symbol.declarations; _i < _a.length; _i++) {
- var declaration = _a[_i];
- if (!declaration.parent || declaration.parent.kind !== 209 /* BinaryExpression */) {
- continue;
- }
- var rhsSymbol = typeChecker.getSymbolAtLocation(declaration.parent.right);
- if (!rhsSymbol) {
- continue;
- }
- documentation = rhsSymbol.getDocumentationComment(typeChecker);
- tags = rhsSymbol.getJsDocTags();
- if (documentation.length > 0) {
- break;
- }
- }
- }
- }
- if (tags.length === 0 && !hasMultipleSignatures) {
- tags = symbol.getJsDocTags();
- }
- if (documentation.length === 0 && documentationFromAlias) {
- documentation = documentationFromAlias;
- }
- if (tags.length === 0 && tagsFromAlias) {
- tags = tagsFromAlias;
- }
- return { displayParts: displayParts, documentation: documentation, symbolKind: symbolKind, tags: tags.length === 0 ? undefined : tags };
- function getPrinter() {
- if (!printer) {
- printer = ts.createPrinter({ removeComments: true });
- }
- return printer;
- }
- function prefixNextMeaning() {
- if (displayParts.length) {
- displayParts.push(ts.lineBreakPart());
- }
- addAliasPrefixIfNecessary();
- }
- function addAliasPrefixIfNecessary() {
- if (alias) {
- pushSymbolKind("alias" /* alias */);
- displayParts.push(ts.spacePart());
- }
- }
- function addInPrefix() {
- displayParts.push(ts.spacePart());
- displayParts.push(ts.keywordPart(97 /* InKeyword */));
- displayParts.push(ts.spacePart());
- }
- function addFullSymbolName(symbolToDisplay, enclosingDeclaration) {
- if (alias && symbolToDisplay === symbol) {
- symbolToDisplay = alias;
- }
- var fullSymbolDisplayParts = ts.symbolToDisplayParts(typeChecker, symbolToDisplay, enclosingDeclaration || sourceFile, /*meaning*/ undefined, 1 /* WriteTypeParametersOrArguments */ | 2 /* UseOnlyExternalAliasing */ | 4 /* AllowAnyNodeKind */);
- ts.addRange(displayParts, fullSymbolDisplayParts);
- if (symbol.flags & 16777216 /* Optional */) {
- displayParts.push(ts.punctuationPart(57 /* QuestionToken */));
- }
- }
- function addPrefixForAnyFunctionOrVar(symbol, symbolKind) {
- prefixNextMeaning();
- if (symbolKind) {
- pushSymbolKind(symbolKind);
- if (symbol && !ts.some(symbol.declarations, function (d) { return ts.isArrowFunction(d) || (ts.isFunctionExpression(d) || ts.isClassExpression(d)) && !d.name; })) {
- displayParts.push(ts.spacePart());
- addFullSymbolName(symbol);
- }
- }
- }
- function pushSymbolKind(symbolKind) {
- switch (symbolKind) {
- case "var" /* variableElement */:
- case "function" /* functionElement */:
- case "let" /* letElement */:
- case "const" /* constElement */:
- case "constructor" /* constructorImplementationElement */:
- displayParts.push(ts.textOrKeywordPart(symbolKind));
- return;
- default:
- displayParts.push(ts.punctuationPart(20 /* OpenParenToken */));
- displayParts.push(ts.textOrKeywordPart(symbolKind));
- displayParts.push(ts.punctuationPart(21 /* CloseParenToken */));
- return;
- }
- }
- function addSignatureDisplayParts(signature, allSignatures, flags) {
- if (flags === void 0) { flags = 0 /* None */; }
- ts.addRange(displayParts, ts.signatureToDisplayParts(typeChecker, signature, enclosingDeclaration, flags | 32 /* WriteTypeArgumentsOfSignature */));
- if (allSignatures.length > 1) {
- displayParts.push(ts.spacePart());
- displayParts.push(ts.punctuationPart(20 /* OpenParenToken */));
- displayParts.push(ts.operatorPart(39 /* PlusToken */));
- displayParts.push(ts.displayPart((allSignatures.length - 1).toString(), ts.SymbolDisplayPartKind.numericLiteral));
- displayParts.push(ts.spacePart());
- displayParts.push(ts.textPart(allSignatures.length === 2 ? "overload" : "overloads"));
- displayParts.push(ts.punctuationPart(21 /* CloseParenToken */));
- }
- documentation = signature.getDocumentationComment(typeChecker);
- tags = signature.getJsDocTags();
- if (allSignatures.length > 1 && documentation.length === 0 && tags.length === 0) {
- documentation = allSignatures[0].getDocumentationComment(typeChecker);
- tags = allSignatures[0].getJsDocTags();
- }
- }
- function writeTypeParametersOfSymbol(symbol, enclosingDeclaration) {
- var typeParameterParts = ts.mapToDisplayParts(function (writer) {
- var params = typeChecker.symbolToTypeParameterDeclarations(symbol, enclosingDeclaration, symbolDisplayNodeBuilderFlags);
- getPrinter().writeList(53776 /* TypeParameters */, params, ts.getSourceFileOfNode(ts.getParseTreeNode(enclosingDeclaration)), writer);
- });
- ts.addRange(displayParts, typeParameterParts);
- }
- }
- SymbolDisplay.getSymbolDisplayPartsDocumentationAndSymbolKind = getSymbolDisplayPartsDocumentationAndSymbolKind;
- function isLocalVariableOrFunction(symbol) {
- if (symbol.parent) {
- return false; // This is exported symbol
- }
- return ts.forEach(symbol.declarations, function (declaration) {
- // Function expressions are local
- if (declaration.kind === 201 /* FunctionExpression */) {
- return true;
- }
- if (declaration.kind !== 242 /* VariableDeclaration */ && declaration.kind !== 244 /* FunctionDeclaration */) {
- return false;
- }
- // If the parent is not sourceFile or module block it is local variable
- for (var parent = declaration.parent; !ts.isFunctionBlock(parent); parent = parent.parent) {
- // Reached source file or module block
- if (parent.kind === 290 /* SourceFile */ || parent.kind === 250 /* ModuleBlock */) {
- return false;
- }
- }
- // parent is in function block
- return true;
- });
- }
- })(SymbolDisplay = ts.SymbolDisplay || (ts.SymbolDisplay = {}));
-})(ts || (ts = {}));
-var ts;
-(function (ts) {
- /*
- * This function will compile source text from 'input' argument using specified compiler options.
- * If not options are provided - it will use a set of default compiler options.
- * Extra compiler options that will unconditionally be used by this function are:
- * - isolatedModules = true
- * - allowNonTsExtensions = true
- * - noLib = true
- * - noResolve = true
- */
- function transpileModule(input, transpileOptions) {
- var diagnostics = [];
- var options = transpileOptions.compilerOptions ? fixupCompilerOptions(transpileOptions.compilerOptions, diagnostics) : {};
- // mix in default options
- var defaultOptions = ts.getDefaultCompilerOptions();
- for (var key in defaultOptions) {
- if (ts.hasProperty(defaultOptions, key) && options[key] === undefined) {
- options[key] = defaultOptions[key];
- }
- }
- for (var _i = 0, transpileOptionValueCompilerOptions_1 = ts.transpileOptionValueCompilerOptions; _i < transpileOptionValueCompilerOptions_1.length; _i++) {
- var option = transpileOptionValueCompilerOptions_1[_i];
- options[option.name] = option.transpileOptionValue;
- }
- // transpileModule does not write anything to disk so there is no need to verify that there are no conflicts between input and output paths.
- options.suppressOutputPathCheck = true;
- // Filename can be non-ts file.
- options.allowNonTsExtensions = true;
- // if jsx is specified then treat file as .tsx
- var inputFileName = transpileOptions.fileName || (transpileOptions.compilerOptions && transpileOptions.compilerOptions.jsx ? "module.tsx" : "module.ts");
- var sourceFile = ts.createSourceFile(inputFileName, input, options.target); // TODO: GH#18217
- if (transpileOptions.moduleName) {
- sourceFile.moduleName = transpileOptions.moduleName;
- }
- if (transpileOptions.renamedDependencies) {
- sourceFile.renamedDependencies = ts.createMapFromTemplate(transpileOptions.renamedDependencies);
- }
- var newLine = ts.getNewLineCharacter(options);
- // Output
- var outputText;
- var sourceMapText;
- // Create a compilerHost object to allow the compiler to read and write files
- var compilerHost = {
- getSourceFile: function (fileName) { return fileName === ts.normalizePath(inputFileName) ? sourceFile : undefined; },
- writeFile: function (name, text) {
- if (ts.fileExtensionIs(name, ".map")) {
- ts.Debug.assertEqual(sourceMapText, undefined, "Unexpected multiple source map outputs, file:", name);
- sourceMapText = text;
- }
- else {
- ts.Debug.assertEqual(outputText, undefined, "Unexpected multiple outputs, file:", name);
- outputText = text;
- }
- },
- getDefaultLibFileName: function () { return "lib.d.ts"; },
- useCaseSensitiveFileNames: function () { return false; },
- getCanonicalFileName: function (fileName) { return fileName; },
- getCurrentDirectory: function () { return ""; },
- getNewLine: function () { return newLine; },
- fileExists: function (fileName) { return fileName === inputFileName; },
- readFile: function () { return ""; },
- directoryExists: function () { return true; },
- getDirectories: function () { return []; }
- };
- var program = ts.createProgram([inputFileName], options, compilerHost);
- if (transpileOptions.reportDiagnostics) {
- ts.addRange(/*to*/ diagnostics, /*from*/ program.getSyntacticDiagnostics(sourceFile));
- ts.addRange(/*to*/ diagnostics, /*from*/ program.getOptionsDiagnostics());
- }
- // Emit
- program.emit(/*targetSourceFile*/ undefined, /*writeFile*/ undefined, /*cancellationToken*/ undefined, /*emitOnlyDtsFiles*/ undefined, transpileOptions.transformers);
- if (outputText === undefined)
- return ts.Debug.fail("Output generation failed");
- return { outputText: outputText, diagnostics: diagnostics, sourceMapText: sourceMapText };
- }
- ts.transpileModule = transpileModule;
- /*
- * This is a shortcut function for transpileModule - it accepts transpileOptions as parameters and returns only outputText part of the result.
- */
- function transpile(input, compilerOptions, fileName, diagnostics, moduleName) {
- var output = transpileModule(input, { compilerOptions: compilerOptions, fileName: fileName, reportDiagnostics: !!diagnostics, moduleName: moduleName });
- // addRange correctly handles cases when wither 'from' or 'to' argument is missing
- ts.addRange(diagnostics, output.diagnostics);
- return output.outputText;
- }
- ts.transpile = transpile;
- var commandLineOptionsStringToEnum;
- /** JS users may pass in string values for enum compiler options (such as ModuleKind), so convert. */
- /*@internal*/
- function fixupCompilerOptions(options, diagnostics) {
- // Lazily create this value to fix module loading errors.
- commandLineOptionsStringToEnum = commandLineOptionsStringToEnum || ts.filter(ts.optionDeclarations, function (o) {
- return typeof o.type === "object" && !ts.forEachEntry(o.type, function (v) { return typeof v !== "number"; });
- });
- options = ts.cloneCompilerOptions(options);
- var _loop_8 = function (opt) {
- if (!ts.hasProperty(options, opt.name)) {
- return "continue";
- }
- var value = options[opt.name];
- // Value should be a key of opt.type
- if (ts.isString(value)) {
- // If value is not a string, this will fail
- options[opt.name] = ts.parseCustomTypeOption(opt, value, diagnostics);
- }
- else {
- if (!ts.forEachEntry(opt.type, function (v) { return v === value; })) {
- // Supplied value isn't a valid enum value.
- diagnostics.push(ts.createCompilerDiagnosticForInvalidCustomType(opt));
- }
- }
- };
- for (var _i = 0, commandLineOptionsStringToEnum_1 = commandLineOptionsStringToEnum; _i < commandLineOptionsStringToEnum_1.length; _i++) {
- var opt = commandLineOptionsStringToEnum_1[_i];
- _loop_8(opt);
- }
- return options;
- }
- ts.fixupCompilerOptions = fixupCompilerOptions;
-})(ts || (ts = {}));
-/* @internal */
-var ts;
-(function (ts) {
- var formatting;
- (function (formatting) {
- var FormattingRequestKind;
- (function (FormattingRequestKind) {
- FormattingRequestKind[FormattingRequestKind["FormatDocument"] = 0] = "FormatDocument";
- FormattingRequestKind[FormattingRequestKind["FormatSelection"] = 1] = "FormatSelection";
- FormattingRequestKind[FormattingRequestKind["FormatOnEnter"] = 2] = "FormatOnEnter";
- FormattingRequestKind[FormattingRequestKind["FormatOnSemicolon"] = 3] = "FormatOnSemicolon";
- FormattingRequestKind[FormattingRequestKind["FormatOnOpeningCurlyBrace"] = 4] = "FormatOnOpeningCurlyBrace";
- FormattingRequestKind[FormattingRequestKind["FormatOnClosingCurlyBrace"] = 5] = "FormatOnClosingCurlyBrace";
- })(FormattingRequestKind = formatting.FormattingRequestKind || (formatting.FormattingRequestKind = {}));
- var FormattingContext = /** @class */ (function () {
- function FormattingContext(sourceFile, formattingRequestKind, options) {
- this.sourceFile = sourceFile;
- this.formattingRequestKind = formattingRequestKind;
- this.options = options;
- }
- FormattingContext.prototype.updateContext = function (currentRange, currentTokenParent, nextRange, nextTokenParent, commonParent) {
- this.currentTokenSpan = ts.Debug.checkDefined(currentRange);
- this.currentTokenParent = ts.Debug.checkDefined(currentTokenParent);
- this.nextTokenSpan = ts.Debug.checkDefined(nextRange);
- this.nextTokenParent = ts.Debug.checkDefined(nextTokenParent);
- this.contextNode = ts.Debug.checkDefined(commonParent);
- // drop cached results
- this.contextNodeAllOnSameLine = undefined;
- this.nextNodeAllOnSameLine = undefined;
- this.tokensAreOnSameLine = undefined;
- this.contextNodeBlockIsOnOneLine = undefined;
- this.nextNodeBlockIsOnOneLine = undefined;
- };
- FormattingContext.prototype.ContextNodeAllOnSameLine = function () {
- if (this.contextNodeAllOnSameLine === undefined) {
- this.contextNodeAllOnSameLine = this.NodeIsOnOneLine(this.contextNode);
- }
- return this.contextNodeAllOnSameLine;
- };
- FormattingContext.prototype.NextNodeAllOnSameLine = function () {
- if (this.nextNodeAllOnSameLine === undefined) {
- this.nextNodeAllOnSameLine = this.NodeIsOnOneLine(this.nextTokenParent);
- }
- return this.nextNodeAllOnSameLine;
- };
- FormattingContext.prototype.TokensAreOnSameLine = function () {
- if (this.tokensAreOnSameLine === undefined) {
- var startLine = this.sourceFile.getLineAndCharacterOfPosition(this.currentTokenSpan.pos).line;
- var endLine = this.sourceFile.getLineAndCharacterOfPosition(this.nextTokenSpan.pos).line;
- this.tokensAreOnSameLine = (startLine === endLine);
- }
- return this.tokensAreOnSameLine;
- };
- FormattingContext.prototype.ContextNodeBlockIsOnOneLine = function () {
- if (this.contextNodeBlockIsOnOneLine === undefined) {
- this.contextNodeBlockIsOnOneLine = this.BlockIsOnOneLine(this.contextNode);
- }
- return this.contextNodeBlockIsOnOneLine;
- };
- FormattingContext.prototype.NextNodeBlockIsOnOneLine = function () {
- if (this.nextNodeBlockIsOnOneLine === undefined) {
- this.nextNodeBlockIsOnOneLine = this.BlockIsOnOneLine(this.nextTokenParent);
- }
- return this.nextNodeBlockIsOnOneLine;
- };
- FormattingContext.prototype.NodeIsOnOneLine = function (node) {
- var startLine = this.sourceFile.getLineAndCharacterOfPosition(node.getStart(this.sourceFile)).line;
- var endLine = this.sourceFile.getLineAndCharacterOfPosition(node.getEnd()).line;
- return startLine === endLine;
- };
- FormattingContext.prototype.BlockIsOnOneLine = function (node) {
- var openBrace = ts.findChildOfKind(node, 18 /* OpenBraceToken */, this.sourceFile);
- var closeBrace = ts.findChildOfKind(node, 19 /* CloseBraceToken */, this.sourceFile);
- if (openBrace && closeBrace) {
- var startLine = this.sourceFile.getLineAndCharacterOfPosition(openBrace.getEnd()).line;
- var endLine = this.sourceFile.getLineAndCharacterOfPosition(closeBrace.getStart(this.sourceFile)).line;
- return startLine === endLine;
- }
- return false;
- };
- return FormattingContext;
- }());
- formatting.FormattingContext = FormattingContext;
- })(formatting = ts.formatting || (ts.formatting = {}));
-})(ts || (ts = {}));
-/* @internal */
-var ts;
-(function (ts) {
- var formatting;
- (function (formatting) {
- var standardScanner = ts.createScanner(99 /* Latest */, /*skipTrivia*/ false, 0 /* Standard */);
- var jsxScanner = ts.createScanner(99 /* Latest */, /*skipTrivia*/ false, 1 /* JSX */);
- var ScanAction;
- (function (ScanAction) {
- ScanAction[ScanAction["Scan"] = 0] = "Scan";
- ScanAction[ScanAction["RescanGreaterThanToken"] = 1] = "RescanGreaterThanToken";
- ScanAction[ScanAction["RescanSlashToken"] = 2] = "RescanSlashToken";
- ScanAction[ScanAction["RescanTemplateToken"] = 3] = "RescanTemplateToken";
- ScanAction[ScanAction["RescanJsxIdentifier"] = 4] = "RescanJsxIdentifier";
- ScanAction[ScanAction["RescanJsxText"] = 5] = "RescanJsxText";
- ScanAction[ScanAction["RescanJsxAttributeValue"] = 6] = "RescanJsxAttributeValue";
- })(ScanAction || (ScanAction = {}));
- function getFormattingScanner(text, languageVariant, startPos, endPos, cb) {
- var scanner = languageVariant === 1 /* JSX */ ? jsxScanner : standardScanner;
- scanner.setText(text);
- scanner.setTextPos(startPos);
- var wasNewLine = true;
- var leadingTrivia;
- var trailingTrivia;
- var savedPos;
- var lastScanAction;
- var lastTokenInfo;
- var res = cb({
- advance: advance,
- readTokenInfo: readTokenInfo,
- readEOFTokenRange: readEOFTokenRange,
- isOnToken: isOnToken,
- isOnEOF: isOnEOF,
- getCurrentLeadingTrivia: function () { return leadingTrivia; },
- lastTrailingTriviaWasNewLine: function () { return wasNewLine; },
- skipToEndOf: skipToEndOf,
- });
- lastTokenInfo = undefined;
- scanner.setText(undefined);
- return res;
- function advance() {
- lastTokenInfo = undefined;
- var isStarted = scanner.getStartPos() !== startPos;
- if (isStarted) {
- wasNewLine = !!trailingTrivia && ts.last(trailingTrivia).kind === 4 /* NewLineTrivia */;
- }
- else {
- scanner.scan();
- }
- leadingTrivia = undefined;
- trailingTrivia = undefined;
- var pos = scanner.getStartPos();
- // Read leading trivia and token
- while (pos < endPos) {
- var t = scanner.getToken();
- if (!ts.isTrivia(t)) {
- break;
- }
- // consume leading trivia
- scanner.scan();
- var item = {
- pos: pos,
- end: scanner.getStartPos(),
- kind: t
- };
- pos = scanner.getStartPos();
- leadingTrivia = ts.append(leadingTrivia, item);
- }
- savedPos = scanner.getStartPos();
- }
- function shouldRescanGreaterThanToken(node) {
- switch (node.kind) {
- case 33 /* GreaterThanEqualsToken */:
- case 70 /* GreaterThanGreaterThanEqualsToken */:
- case 71 /* GreaterThanGreaterThanGreaterThanEqualsToken */:
- case 49 /* GreaterThanGreaterThanGreaterThanToken */:
- case 48 /* GreaterThanGreaterThanToken */:
- return true;
- }
- return false;
- }
- function shouldRescanJsxIdentifier(node) {
- if (node.parent) {
- switch (node.parent.kind) {
- case 273 /* JsxAttribute */:
- case 268 /* JsxOpeningElement */:
- case 269 /* JsxClosingElement */:
- case 267 /* JsxSelfClosingElement */:
- // May parse an identifier like `module-layout`; that will be scanned as a keyword at first, but we should parse the whole thing to get an identifier.
- return ts.isKeyword(node.kind) || node.kind === 75 /* Identifier */;
- }
- }
- return false;
- }
- function shouldRescanJsxText(node) {
- var isJSXText = ts.isJsxText(node);
- if (isJSXText) {
- var containingElement = ts.findAncestor(node.parent, function (p) { return ts.isJsxElement(p); });
- if (!containingElement)
- return false; // should never happen
- return !ts.isParenthesizedExpression(containingElement.parent);
- }
- return false;
- }
- function shouldRescanSlashToken(container) {
- return container.kind === 13 /* RegularExpressionLiteral */;
- }
- function shouldRescanTemplateToken(container) {
- return container.kind === 16 /* TemplateMiddle */ ||
- container.kind === 17 /* TemplateTail */;
- }
- function shouldRescanJsxAttributeValue(node) {
- return node.parent && ts.isJsxAttribute(node.parent) && node.parent.initializer === node;
- }
- function startsWithSlashToken(t) {
- return t === 43 /* SlashToken */ || t === 67 /* SlashEqualsToken */;
- }
- function readTokenInfo(n) {
- ts.Debug.assert(isOnToken());
- // normally scanner returns the smallest available token
- // check the kind of context node to determine if scanner should have more greedy behavior and consume more text.
- var expectedScanAction = shouldRescanGreaterThanToken(n) ? 1 /* RescanGreaterThanToken */ :
- shouldRescanSlashToken(n) ? 2 /* RescanSlashToken */ :
- shouldRescanTemplateToken(n) ? 3 /* RescanTemplateToken */ :
- shouldRescanJsxIdentifier(n) ? 4 /* RescanJsxIdentifier */ :
- shouldRescanJsxText(n) ? 5 /* RescanJsxText */ :
- shouldRescanJsxAttributeValue(n) ? 6 /* RescanJsxAttributeValue */ :
- 0 /* Scan */;
- if (lastTokenInfo && expectedScanAction === lastScanAction) {
- // readTokenInfo was called before with the same expected scan action.
- // No need to re-scan text, return existing 'lastTokenInfo'
- // it is ok to call fixTokenKind here since it does not affect
- // what portion of text is consumed. In contrast rescanning can change it,
- // i.e. for '>=' when originally scanner eats just one character
- // and rescanning forces it to consume more.
- return fixTokenKind(lastTokenInfo, n);
- }
- if (scanner.getStartPos() !== savedPos) {
- ts.Debug.assert(lastTokenInfo !== undefined);
- // readTokenInfo was called before but scan action differs - rescan text
- scanner.setTextPos(savedPos);
- scanner.scan();
- }
- var currentToken = getNextToken(n, expectedScanAction);
- var token = formatting.createTextRangeWithKind(scanner.getStartPos(), scanner.getTextPos(), currentToken);
- // consume trailing trivia
- if (trailingTrivia) {
- trailingTrivia = undefined;
- }
- while (scanner.getStartPos() < endPos) {
- currentToken = scanner.scan();
- if (!ts.isTrivia(currentToken)) {
- break;
- }
- var trivia = formatting.createTextRangeWithKind(scanner.getStartPos(), scanner.getTextPos(), currentToken);
- if (!trailingTrivia) {
- trailingTrivia = [];
- }
- trailingTrivia.push(trivia);
- if (currentToken === 4 /* NewLineTrivia */) {
- // move past new line
- scanner.scan();
- break;
- }
- }
- lastTokenInfo = { leadingTrivia: leadingTrivia, trailingTrivia: trailingTrivia, token: token };
- return fixTokenKind(lastTokenInfo, n);
- }
- function getNextToken(n, expectedScanAction) {
- var token = scanner.getToken();
- lastScanAction = 0 /* Scan */;
- switch (expectedScanAction) {
- case 1 /* RescanGreaterThanToken */:
- if (token === 31 /* GreaterThanToken */) {
- lastScanAction = 1 /* RescanGreaterThanToken */;
- var newToken = scanner.reScanGreaterToken();
- ts.Debug.assert(n.kind === newToken);
- return newToken;
- }
- break;
- case 2 /* RescanSlashToken */:
- if (startsWithSlashToken(token)) {
- lastScanAction = 2 /* RescanSlashToken */;
- var newToken = scanner.reScanSlashToken();
- ts.Debug.assert(n.kind === newToken);
- return newToken;
- }
- break;
- case 3 /* RescanTemplateToken */:
- if (token === 19 /* CloseBraceToken */) {
- lastScanAction = 3 /* RescanTemplateToken */;
- return scanner.reScanTemplateToken(/* isTaggedTemplate */ false);
- }
- break;
- case 4 /* RescanJsxIdentifier */:
- lastScanAction = 4 /* RescanJsxIdentifier */;
- return scanner.scanJsxIdentifier();
- case 5 /* RescanJsxText */:
- lastScanAction = 5 /* RescanJsxText */;
- return scanner.reScanJsxToken();
- case 6 /* RescanJsxAttributeValue */:
- lastScanAction = 6 /* RescanJsxAttributeValue */;
- return scanner.reScanJsxAttributeValue();
- case 0 /* Scan */:
- break;
- default:
- ts.Debug.assertNever(expectedScanAction);
- }
- return token;
- }
- function readEOFTokenRange() {
- ts.Debug.assert(isOnEOF());
- return formatting.createTextRangeWithKind(scanner.getStartPos(), scanner.getTextPos(), 1 /* EndOfFileToken */);
- }
- function isOnToken() {
- var current = lastTokenInfo ? lastTokenInfo.token.kind : scanner.getToken();
- var startPos = lastTokenInfo ? lastTokenInfo.token.pos : scanner.getStartPos();
- return startPos < endPos && current !== 1 /* EndOfFileToken */ && !ts.isTrivia(current);
- }
- function isOnEOF() {
- var current = lastTokenInfo ? lastTokenInfo.token.kind : scanner.getToken();
- return current === 1 /* EndOfFileToken */;
- }
- // when containing node in the tree is token
- // but its kind differs from the kind that was returned by the scanner,
- // then kind needs to be fixed. This might happen in cases
- // when parser interprets token differently, i.e keyword treated as identifier
- function fixTokenKind(tokenInfo, container) {
- if (ts.isToken(container) && tokenInfo.token.kind !== container.kind) {
- tokenInfo.token.kind = container.kind;
- }
- return tokenInfo;
- }
- function skipToEndOf(node) {
- scanner.setTextPos(node.end);
- savedPos = scanner.getStartPos();
- lastScanAction = undefined;
- lastTokenInfo = undefined;
- wasNewLine = false;
- leadingTrivia = undefined;
- trailingTrivia = undefined;
- }
- }
- formatting.getFormattingScanner = getFormattingScanner;
- })(formatting = ts.formatting || (ts.formatting = {}));
-})(ts || (ts = {}));
-/* @internal */
-var ts;
-(function (ts) {
- var formatting;
- (function (formatting) {
- formatting.anyContext = ts.emptyArray;
- var RuleAction;
- (function (RuleAction) {
- RuleAction[RuleAction["StopProcessingSpaceActions"] = 1] = "StopProcessingSpaceActions";
- RuleAction[RuleAction["StopProcessingTokenActions"] = 2] = "StopProcessingTokenActions";
- RuleAction[RuleAction["InsertSpace"] = 4] = "InsertSpace";
- RuleAction[RuleAction["InsertNewLine"] = 8] = "InsertNewLine";
- RuleAction[RuleAction["DeleteSpace"] = 16] = "DeleteSpace";
- RuleAction[RuleAction["DeleteToken"] = 32] = "DeleteToken";
- RuleAction[RuleAction["InsertTrailingSemicolon"] = 64] = "InsertTrailingSemicolon";
- RuleAction[RuleAction["StopAction"] = 3] = "StopAction";
- RuleAction[RuleAction["ModifySpaceAction"] = 28] = "ModifySpaceAction";
- RuleAction[RuleAction["ModifyTokenAction"] = 96] = "ModifyTokenAction";
- })(RuleAction = formatting.RuleAction || (formatting.RuleAction = {}));
- var RuleFlags;
- (function (RuleFlags) {
- RuleFlags[RuleFlags["None"] = 0] = "None";
- RuleFlags[RuleFlags["CanDeleteNewLines"] = 1] = "CanDeleteNewLines";
- })(RuleFlags = formatting.RuleFlags || (formatting.RuleFlags = {}));
- })(formatting = ts.formatting || (ts.formatting = {}));
-})(ts || (ts = {}));
-/* @internal */
-var ts;
-(function (ts) {
- var formatting;
- (function (formatting) {
- function getAllRules() {
- var allTokens = [];
- for (var token = 0 /* FirstToken */; token <= 152 /* LastToken */; token++) {
- if (token !== 1 /* EndOfFileToken */) {
- allTokens.push(token);
- }
- }
- function anyTokenExcept() {
- var tokens = [];
- for (var _i = 0; _i < arguments.length; _i++) {
- tokens[_i] = arguments[_i];
- }
- return { tokens: allTokens.filter(function (t) { return !tokens.some(function (t2) { return t2 === t; }); }), isSpecific: false };
- }
- var anyToken = { tokens: allTokens, isSpecific: false };
- var anyTokenIncludingMultilineComments = tokenRangeFrom(__spreadArrays(allTokens, [3 /* MultiLineCommentTrivia */]));
- var anyTokenIncludingEOF = tokenRangeFrom(__spreadArrays(allTokens, [1 /* EndOfFileToken */]));
- var keywords = tokenRangeFromRange(77 /* FirstKeyword */, 152 /* LastKeyword */);
- var binaryOperators = tokenRangeFromRange(29 /* FirstBinaryOperator */, 74 /* LastBinaryOperator */);
- var binaryKeywordOperators = [97 /* InKeyword */, 98 /* InstanceOfKeyword */, 152 /* OfKeyword */, 123 /* AsKeyword */, 133 /* IsKeyword */];
- var unaryPrefixOperators = [45 /* PlusPlusToken */, 46 /* MinusMinusToken */, 54 /* TildeToken */, 53 /* ExclamationToken */];
- var unaryPrefixExpressions = [
- 8 /* NumericLiteral */, 9 /* BigIntLiteral */, 75 /* Identifier */, 20 /* OpenParenToken */,
- 22 /* OpenBracketToken */, 18 /* OpenBraceToken */, 104 /* ThisKeyword */, 99 /* NewKeyword */
- ];
- var unaryPreincrementExpressions = [75 /* Identifier */, 20 /* OpenParenToken */, 104 /* ThisKeyword */, 99 /* NewKeyword */];
- var unaryPostincrementExpressions = [75 /* Identifier */, 21 /* CloseParenToken */, 23 /* CloseBracketToken */, 99 /* NewKeyword */];
- var unaryPredecrementExpressions = [75 /* Identifier */, 20 /* OpenParenToken */, 104 /* ThisKeyword */, 99 /* NewKeyword */];
- var unaryPostdecrementExpressions = [75 /* Identifier */, 21 /* CloseParenToken */, 23 /* CloseBracketToken */, 99 /* NewKeyword */];
- var comments = [2 /* SingleLineCommentTrivia */, 3 /* MultiLineCommentTrivia */];
- var typeNames = __spreadArrays([75 /* Identifier */], ts.typeKeywords);
- // Place a space before open brace in a function declaration
- // TypeScript: Function can have return types, which can be made of tons of different token kinds
- var functionOpenBraceLeftTokenRange = anyTokenIncludingMultilineComments;
- // Place a space before open brace in a TypeScript declaration that has braces as children (class, module, enum, etc)
- var typeScriptOpenBraceLeftTokenRange = tokenRangeFrom([75 /* Identifier */, 3 /* MultiLineCommentTrivia */, 80 /* ClassKeyword */, 89 /* ExportKeyword */, 96 /* ImportKeyword */]);
- // Place a space before open brace in a control flow construct
- var controlOpenBraceLeftTokenRange = tokenRangeFrom([21 /* CloseParenToken */, 3 /* MultiLineCommentTrivia */, 86 /* DoKeyword */, 107 /* TryKeyword */, 92 /* FinallyKeyword */, 87 /* ElseKeyword */]);
- // These rules are higher in priority than user-configurable
- var highPriorityCommonRules = [
- // Leave comments alone
- rule("IgnoreBeforeComment", anyToken, comments, formatting.anyContext, 1 /* StopProcessingSpaceActions */),
- rule("IgnoreAfterLineComment", 2 /* SingleLineCommentTrivia */, anyToken, formatting.anyContext, 1 /* StopProcessingSpaceActions */),
- rule("NotSpaceBeforeColon", anyToken, 58 /* ColonToken */, [isNonJsxSameLineTokenContext, isNotBinaryOpContext, isNotTypeAnnotationContext], 16 /* DeleteSpace */),
- rule("SpaceAfterColon", 58 /* ColonToken */, anyToken, [isNonJsxSameLineTokenContext, isNotBinaryOpContext], 4 /* InsertSpace */),
- rule("NoSpaceBeforeQuestionMark", anyToken, 57 /* QuestionToken */, [isNonJsxSameLineTokenContext, isNotBinaryOpContext], 16 /* DeleteSpace */),
- // insert space after '?' only when it is used in conditional operator
- rule("SpaceAfterQuestionMarkInConditionalOperator", 57 /* QuestionToken */, anyToken, [isNonJsxSameLineTokenContext, isConditionalOperatorContext], 4 /* InsertSpace */),
- // in other cases there should be no space between '?' and next token
- rule("NoSpaceAfterQuestionMark", 57 /* QuestionToken */, anyToken, [isNonJsxSameLineTokenContext], 16 /* DeleteSpace */),
- rule("NoSpaceBeforeDot", anyToken, [24 /* DotToken */, 28 /* QuestionDotToken */], [isNonJsxSameLineTokenContext], 16 /* DeleteSpace */),
- rule("NoSpaceAfterDot", [24 /* DotToken */, 28 /* QuestionDotToken */], anyToken, [isNonJsxSameLineTokenContext], 16 /* DeleteSpace */),
- rule("NoSpaceBetweenImportParenInImportType", 96 /* ImportKeyword */, 20 /* OpenParenToken */, [isNonJsxSameLineTokenContext, isImportTypeContext], 16 /* DeleteSpace */),
- // Special handling of unary operators.
- // Prefix operators generally shouldn't have a space between
- // them and their target unary expression.
- rule("NoSpaceAfterUnaryPrefixOperator", unaryPrefixOperators, unaryPrefixExpressions, [isNonJsxSameLineTokenContext, isNotBinaryOpContext], 16 /* DeleteSpace */),
- rule("NoSpaceAfterUnaryPreincrementOperator", 45 /* PlusPlusToken */, unaryPreincrementExpressions, [isNonJsxSameLineTokenContext], 16 /* DeleteSpace */),
- rule("NoSpaceAfterUnaryPredecrementOperator", 46 /* MinusMinusToken */, unaryPredecrementExpressions, [isNonJsxSameLineTokenContext], 16 /* DeleteSpace */),
- rule("NoSpaceBeforeUnaryPostincrementOperator", unaryPostincrementExpressions, 45 /* PlusPlusToken */, [isNonJsxSameLineTokenContext, isNotStatementConditionContext], 16 /* DeleteSpace */),
- rule("NoSpaceBeforeUnaryPostdecrementOperator", unaryPostdecrementExpressions, 46 /* MinusMinusToken */, [isNonJsxSameLineTokenContext, isNotStatementConditionContext], 16 /* DeleteSpace */),
- // More unary operator special-casing.
- // DevDiv 181814: Be careful when removing leading whitespace
- // around unary operators. Examples:
- // 1 - -2 --X--> 1--2
- // a + ++b --X--> a+++b
- rule("SpaceAfterPostincrementWhenFollowedByAdd", 45 /* PlusPlusToken */, 39 /* PlusToken */, [isNonJsxSameLineTokenContext, isBinaryOpContext], 4 /* InsertSpace */),
- rule("SpaceAfterAddWhenFollowedByUnaryPlus", 39 /* PlusToken */, 39 /* PlusToken */, [isNonJsxSameLineTokenContext, isBinaryOpContext], 4 /* InsertSpace */),
- rule("SpaceAfterAddWhenFollowedByPreincrement", 39 /* PlusToken */, 45 /* PlusPlusToken */, [isNonJsxSameLineTokenContext, isBinaryOpContext], 4 /* InsertSpace */),
- rule("SpaceAfterPostdecrementWhenFollowedBySubtract", 46 /* MinusMinusToken */, 40 /* MinusToken */, [isNonJsxSameLineTokenContext, isBinaryOpContext], 4 /* InsertSpace */),
- rule("SpaceAfterSubtractWhenFollowedByUnaryMinus", 40 /* MinusToken */, 40 /* MinusToken */, [isNonJsxSameLineTokenContext, isBinaryOpContext], 4 /* InsertSpace */),
- rule("SpaceAfterSubtractWhenFollowedByPredecrement", 40 /* MinusToken */, 46 /* MinusMinusToken */, [isNonJsxSameLineTokenContext, isBinaryOpContext], 4 /* InsertSpace */),
- rule("NoSpaceAfterCloseBrace", 19 /* CloseBraceToken */, [27 /* CommaToken */, 26 /* SemicolonToken */], [isNonJsxSameLineTokenContext], 16 /* DeleteSpace */),
- // For functions and control block place } on a new line [multi-line rule]
- rule("NewLineBeforeCloseBraceInBlockContext", anyTokenIncludingMultilineComments, 19 /* CloseBraceToken */, [isMultilineBlockContext], 8 /* InsertNewLine */),
- // Space/new line after }.
- rule("SpaceAfterCloseBrace", 19 /* CloseBraceToken */, anyTokenExcept(21 /* CloseParenToken */), [isNonJsxSameLineTokenContext, isAfterCodeBlockContext], 4 /* InsertSpace */),
- // Special case for (}, else) and (}, while) since else & while tokens are not part of the tree which makes SpaceAfterCloseBrace rule not applied
- // Also should not apply to })
- rule("SpaceBetweenCloseBraceAndElse", 19 /* CloseBraceToken */, 87 /* ElseKeyword */, [isNonJsxSameLineTokenContext], 4 /* InsertSpace */),
- rule("SpaceBetweenCloseBraceAndWhile", 19 /* CloseBraceToken */, 111 /* WhileKeyword */, [isNonJsxSameLineTokenContext], 4 /* InsertSpace */),
- rule("NoSpaceBetweenEmptyBraceBrackets", 18 /* OpenBraceToken */, 19 /* CloseBraceToken */, [isNonJsxSameLineTokenContext, isObjectContext], 16 /* DeleteSpace */),
- // Add a space after control dec context if the next character is an open bracket ex: 'if (false)[a, b] = [1, 2];' -> 'if (false) [a, b] = [1, 2];'
- rule("SpaceAfterConditionalClosingParen", 21 /* CloseParenToken */, 22 /* OpenBracketToken */, [isControlDeclContext], 4 /* InsertSpace */),
- rule("NoSpaceBetweenFunctionKeywordAndStar", 94 /* FunctionKeyword */, 41 /* AsteriskToken */, [isFunctionDeclarationOrFunctionExpressionContext], 16 /* DeleteSpace */),
- rule("SpaceAfterStarInGeneratorDeclaration", 41 /* AsteriskToken */, 75 /* Identifier */, [isFunctionDeclarationOrFunctionExpressionContext], 4 /* InsertSpace */),
- rule("SpaceAfterFunctionInFuncDecl", 94 /* FunctionKeyword */, anyToken, [isFunctionDeclContext], 4 /* InsertSpace */),
- // Insert new line after { and before } in multi-line contexts.
- rule("NewLineAfterOpenBraceInBlockContext", 18 /* OpenBraceToken */, anyToken, [isMultilineBlockContext], 8 /* InsertNewLine */),
- // For get/set members, we check for (identifier,identifier) since get/set don't have tokens and they are represented as just an identifier token.
- // Though, we do extra check on the context to make sure we are dealing with get/set node. Example:
- // get x() {}
- // set x(val) {}
- rule("SpaceAfterGetSetInMember", [131 /* GetKeyword */, 142 /* SetKeyword */], 75 /* Identifier */, [isFunctionDeclContext], 4 /* InsertSpace */),
- rule("NoSpaceBetweenYieldKeywordAndStar", 121 /* YieldKeyword */, 41 /* AsteriskToken */, [isNonJsxSameLineTokenContext, isYieldOrYieldStarWithOperand], 16 /* DeleteSpace */),
- rule("SpaceBetweenYieldOrYieldStarAndOperand", [121 /* YieldKeyword */, 41 /* AsteriskToken */], anyToken, [isNonJsxSameLineTokenContext, isYieldOrYieldStarWithOperand], 4 /* InsertSpace */),
- rule("NoSpaceBetweenReturnAndSemicolon", 101 /* ReturnKeyword */, 26 /* SemicolonToken */, [isNonJsxSameLineTokenContext], 16 /* DeleteSpace */),
- rule("SpaceAfterCertainKeywords", [109 /* VarKeyword */, 105 /* ThrowKeyword */, 99 /* NewKeyword */, 85 /* DeleteKeyword */, 101 /* ReturnKeyword */, 108 /* TypeOfKeyword */, 127 /* AwaitKeyword */], anyToken, [isNonJsxSameLineTokenContext], 4 /* InsertSpace */),
- rule("SpaceAfterLetConstInVariableDeclaration", [115 /* LetKeyword */, 81 /* ConstKeyword */], anyToken, [isNonJsxSameLineTokenContext, isStartOfVariableDeclarationList], 4 /* InsertSpace */),
- rule("NoSpaceBeforeOpenParenInFuncCall", anyToken, 20 /* OpenParenToken */, [isNonJsxSameLineTokenContext, isFunctionCallOrNewContext, isPreviousTokenNotComma], 16 /* DeleteSpace */),
- // Special case for binary operators (that are keywords). For these we have to add a space and shouldn't follow any user options.
- rule("SpaceBeforeBinaryKeywordOperator", anyToken, binaryKeywordOperators, [isNonJsxSameLineTokenContext, isBinaryOpContext], 4 /* InsertSpace */),
- rule("SpaceAfterBinaryKeywordOperator", binaryKeywordOperators, anyToken, [isNonJsxSameLineTokenContext, isBinaryOpContext], 4 /* InsertSpace */),
- rule("SpaceAfterVoidOperator", 110 /* VoidKeyword */, anyToken, [isNonJsxSameLineTokenContext, isVoidOpContext], 4 /* InsertSpace */),
- // Async-await
- rule("SpaceBetweenAsyncAndOpenParen", 126 /* AsyncKeyword */, 20 /* OpenParenToken */, [isArrowFunctionContext, isNonJsxSameLineTokenContext], 4 /* InsertSpace */),
- rule("SpaceBetweenAsyncAndFunctionKeyword", 126 /* AsyncKeyword */, [94 /* FunctionKeyword */, 75 /* Identifier */], [isNonJsxSameLineTokenContext], 4 /* InsertSpace */),
- // Template string
- rule("NoSpaceBetweenTagAndTemplateString", [75 /* Identifier */, 21 /* CloseParenToken */], [14 /* NoSubstitutionTemplateLiteral */, 15 /* TemplateHead */], [isNonJsxSameLineTokenContext], 16 /* DeleteSpace */),
- // JSX opening elements
- rule("SpaceBeforeJsxAttribute", anyToken, 75 /* Identifier */, [isNextTokenParentJsxAttribute, isNonJsxSameLineTokenContext], 4 /* InsertSpace */),
- rule("SpaceBeforeSlashInJsxOpeningElement", anyToken, 43 /* SlashToken */, [isJsxSelfClosingElementContext, isNonJsxSameLineTokenContext], 4 /* InsertSpace */),
- rule("NoSpaceBeforeGreaterThanTokenInJsxOpeningElement", 43 /* SlashToken */, 31 /* GreaterThanToken */, [isJsxSelfClosingElementContext, isNonJsxSameLineTokenContext], 16 /* DeleteSpace */),
- rule("NoSpaceBeforeEqualInJsxAttribute", anyToken, 62 /* EqualsToken */, [isJsxAttributeContext, isNonJsxSameLineTokenContext], 16 /* DeleteSpace */),
- rule("NoSpaceAfterEqualInJsxAttribute", 62 /* EqualsToken */, anyToken, [isJsxAttributeContext, isNonJsxSameLineTokenContext], 16 /* DeleteSpace */),
- // TypeScript-specific rules
- // Use of module as a function call. e.g.: import m2 = module("m2");
- rule("NoSpaceAfterModuleImport", [135 /* ModuleKeyword */, 139 /* RequireKeyword */], 20 /* OpenParenToken */, [isNonJsxSameLineTokenContext], 16 /* DeleteSpace */),
- // Add a space around certain TypeScript keywords
- rule("SpaceAfterCertainTypeScriptKeywords", [
- 122 /* AbstractKeyword */,
- 80 /* ClassKeyword */,
- 130 /* DeclareKeyword */,
- 84 /* DefaultKeyword */,
- 88 /* EnumKeyword */,
- 89 /* ExportKeyword */,
- 90 /* ExtendsKeyword */,
- 131 /* GetKeyword */,
- 113 /* ImplementsKeyword */,
- 96 /* ImportKeyword */,
- 114 /* InterfaceKeyword */,
- 135 /* ModuleKeyword */,
- 136 /* NamespaceKeyword */,
- 117 /* PrivateKeyword */,
- 119 /* PublicKeyword */,
- 118 /* ProtectedKeyword */,
- 138 /* ReadonlyKeyword */,
- 142 /* SetKeyword */,
- 120 /* StaticKeyword */,
- 145 /* TypeKeyword */,
- 149 /* FromKeyword */,
- 134 /* KeyOfKeyword */,
- 132 /* InferKeyword */,
- ], anyToken, [isNonJsxSameLineTokenContext], 4 /* InsertSpace */),
- rule("SpaceBeforeCertainTypeScriptKeywords", anyToken, [90 /* ExtendsKeyword */, 113 /* ImplementsKeyword */, 149 /* FromKeyword */], [isNonJsxSameLineTokenContext], 4 /* InsertSpace */),
- // Treat string literals in module names as identifiers, and add a space between the literal and the opening Brace braces, e.g.: module "m2" {
- rule("SpaceAfterModuleName", 10 /* StringLiteral */, 18 /* OpenBraceToken */, [isModuleDeclContext], 4 /* InsertSpace */),
- // Lambda expressions
- rule("SpaceBeforeArrow", anyToken, 38 /* EqualsGreaterThanToken */, [isNonJsxSameLineTokenContext], 4 /* InsertSpace */),
- rule("SpaceAfterArrow", 38 /* EqualsGreaterThanToken */, anyToken, [isNonJsxSameLineTokenContext], 4 /* InsertSpace */),
- // Optional parameters and let args
- rule("NoSpaceAfterEllipsis", 25 /* DotDotDotToken */, 75 /* Identifier */, [isNonJsxSameLineTokenContext], 16 /* DeleteSpace */),
- rule("NoSpaceAfterOptionalParameters", 57 /* QuestionToken */, [21 /* CloseParenToken */, 27 /* CommaToken */], [isNonJsxSameLineTokenContext, isNotBinaryOpContext], 16 /* DeleteSpace */),
- // Remove spaces in empty interface literals. e.g.: x: {}
- rule("NoSpaceBetweenEmptyInterfaceBraceBrackets", 18 /* OpenBraceToken */, 19 /* CloseBraceToken */, [isNonJsxSameLineTokenContext, isObjectTypeContext], 16 /* DeleteSpace */),
- // generics and type assertions
- rule("NoSpaceBeforeOpenAngularBracket", typeNames, 29 /* LessThanToken */, [isNonJsxSameLineTokenContext, isTypeArgumentOrParameterOrAssertionContext], 16 /* DeleteSpace */),
- rule("NoSpaceBetweenCloseParenAndAngularBracket", 21 /* CloseParenToken */, 29 /* LessThanToken */, [isNonJsxSameLineTokenContext, isTypeArgumentOrParameterOrAssertionContext], 16 /* DeleteSpace */),
- rule("NoSpaceAfterOpenAngularBracket", 29 /* LessThanToken */, anyToken, [isNonJsxSameLineTokenContext, isTypeArgumentOrParameterOrAssertionContext], 16 /* DeleteSpace */),
- rule("NoSpaceBeforeCloseAngularBracket", anyToken, 31 /* GreaterThanToken */, [isNonJsxSameLineTokenContext, isTypeArgumentOrParameterOrAssertionContext], 16 /* DeleteSpace */),
- rule("NoSpaceAfterCloseAngularBracket", 31 /* GreaterThanToken */, [20 /* OpenParenToken */, 22 /* OpenBracketToken */, 31 /* GreaterThanToken */, 27 /* CommaToken */], [isNonJsxSameLineTokenContext, isTypeArgumentOrParameterOrAssertionContext, isNotFunctionDeclContext /*To prevent an interference with the SpaceBeforeOpenParenInFuncDecl rule*/], 16 /* DeleteSpace */),
- // decorators
- rule("SpaceBeforeAt", [21 /* CloseParenToken */, 75 /* Identifier */], 59 /* AtToken */, [isNonJsxSameLineTokenContext], 4 /* InsertSpace */),
- rule("NoSpaceAfterAt", 59 /* AtToken */, anyToken, [isNonJsxSameLineTokenContext], 16 /* DeleteSpace */),
- // Insert space after @ in decorator
- rule("SpaceAfterDecorator", anyToken, [
- 122 /* AbstractKeyword */,
- 75 /* Identifier */,
- 89 /* ExportKeyword */,
- 84 /* DefaultKeyword */,
- 80 /* ClassKeyword */,
- 120 /* StaticKeyword */,
- 119 /* PublicKeyword */,
- 117 /* PrivateKeyword */,
- 118 /* ProtectedKeyword */,
- 131 /* GetKeyword */,
- 142 /* SetKeyword */,
- 22 /* OpenBracketToken */,
- 41 /* AsteriskToken */,
- ], [isEndOfDecoratorContextOnSameLine], 4 /* InsertSpace */),
- rule("NoSpaceBeforeNonNullAssertionOperator", anyToken, 53 /* ExclamationToken */, [isNonJsxSameLineTokenContext, isNonNullAssertionContext], 16 /* DeleteSpace */),
- rule("NoSpaceAfterNewKeywordOnConstructorSignature", 99 /* NewKeyword */, 20 /* OpenParenToken */, [isNonJsxSameLineTokenContext, isConstructorSignatureContext], 16 /* DeleteSpace */),
- rule("SpaceLessThanAndNonJSXTypeAnnotation", 29 /* LessThanToken */, 29 /* LessThanToken */, [isNonJsxSameLineTokenContext], 4 /* InsertSpace */),
- ];
- // These rules are applied after high priority
- var userConfigurableRules = [
- // Treat constructor as an identifier in a function declaration, and remove spaces between constructor and following left parentheses
- rule("SpaceAfterConstructor", 129 /* ConstructorKeyword */, 20 /* OpenParenToken */, [isOptionEnabled("insertSpaceAfterConstructor"), isNonJsxSameLineTokenContext], 4 /* InsertSpace */),
- rule("NoSpaceAfterConstructor", 129 /* ConstructorKeyword */, 20 /* OpenParenToken */, [isOptionDisabledOrUndefined("insertSpaceAfterConstructor"), isNonJsxSameLineTokenContext], 16 /* DeleteSpace */),
- rule("SpaceAfterComma", 27 /* CommaToken */, anyToken, [isOptionEnabled("insertSpaceAfterCommaDelimiter"), isNonJsxSameLineTokenContext, isNonJsxElementOrFragmentContext, isNextTokenNotCloseBracket, isNextTokenNotCloseParen], 4 /* InsertSpace */),
- rule("NoSpaceAfterComma", 27 /* CommaToken */, anyToken, [isOptionDisabledOrUndefined("insertSpaceAfterCommaDelimiter"), isNonJsxSameLineTokenContext, isNonJsxElementOrFragmentContext], 16 /* DeleteSpace */),
- // Insert space after function keyword for anonymous functions
- rule("SpaceAfterAnonymousFunctionKeyword", [94 /* FunctionKeyword */, 41 /* AsteriskToken */], 20 /* OpenParenToken */, [isOptionEnabled("insertSpaceAfterFunctionKeywordForAnonymousFunctions"), isFunctionDeclContext], 4 /* InsertSpace */),
- rule("NoSpaceAfterAnonymousFunctionKeyword", [94 /* FunctionKeyword */, 41 /* AsteriskToken */], 20 /* OpenParenToken */, [isOptionDisabledOrUndefined("insertSpaceAfterFunctionKeywordForAnonymousFunctions"), isFunctionDeclContext], 16 /* DeleteSpace */),
- // Insert space after keywords in control flow statements
- rule("SpaceAfterKeywordInControl", keywords, 20 /* OpenParenToken */, [isOptionEnabled("insertSpaceAfterKeywordsInControlFlowStatements"), isControlDeclContext], 4 /* InsertSpace */),
- rule("NoSpaceAfterKeywordInControl", keywords, 20 /* OpenParenToken */, [isOptionDisabledOrUndefined("insertSpaceAfterKeywordsInControlFlowStatements"), isControlDeclContext], 16 /* DeleteSpace */),
- // Insert space after opening and before closing nonempty parenthesis
- rule("SpaceAfterOpenParen", 20 /* OpenParenToken */, anyToken, [isOptionEnabled("insertSpaceAfterOpeningAndBeforeClosingNonemptyParenthesis"), isNonJsxSameLineTokenContext], 4 /* InsertSpace */),
- rule("SpaceBeforeCloseParen", anyToken, 21 /* CloseParenToken */, [isOptionEnabled("insertSpaceAfterOpeningAndBeforeClosingNonemptyParenthesis"), isNonJsxSameLineTokenContext], 4 /* InsertSpace */),
- rule("SpaceBetweenOpenParens", 20 /* OpenParenToken */, 20 /* OpenParenToken */, [isOptionEnabled("insertSpaceAfterOpeningAndBeforeClosingNonemptyParenthesis"), isNonJsxSameLineTokenContext], 4 /* InsertSpace */),
- rule("NoSpaceBetweenParens", 20 /* OpenParenToken */, 21 /* CloseParenToken */, [isNonJsxSameLineTokenContext], 16 /* DeleteSpace */),
- rule("NoSpaceAfterOpenParen", 20 /* OpenParenToken */, anyToken, [isOptionDisabledOrUndefined("insertSpaceAfterOpeningAndBeforeClosingNonemptyParenthesis"), isNonJsxSameLineTokenContext], 16 /* DeleteSpace */),
- rule("NoSpaceBeforeCloseParen", anyToken, 21 /* CloseParenToken */, [isOptionDisabledOrUndefined("insertSpaceAfterOpeningAndBeforeClosingNonemptyParenthesis"), isNonJsxSameLineTokenContext], 16 /* DeleteSpace */),
- // Insert space after opening and before closing nonempty brackets
- rule("SpaceAfterOpenBracket", 22 /* OpenBracketToken */, anyToken, [isOptionEnabled("insertSpaceAfterOpeningAndBeforeClosingNonemptyBrackets"), isNonJsxSameLineTokenContext], 4 /* InsertSpace */),
- rule("SpaceBeforeCloseBracket", anyToken, 23 /* CloseBracketToken */, [isOptionEnabled("insertSpaceAfterOpeningAndBeforeClosingNonemptyBrackets"), isNonJsxSameLineTokenContext], 4 /* InsertSpace */),
- rule("NoSpaceBetweenBrackets", 22 /* OpenBracketToken */, 23 /* CloseBracketToken */, [isNonJsxSameLineTokenContext], 16 /* DeleteSpace */),
- rule("NoSpaceAfterOpenBracket", 22 /* OpenBracketToken */, anyToken, [isOptionDisabledOrUndefined("insertSpaceAfterOpeningAndBeforeClosingNonemptyBrackets"), isNonJsxSameLineTokenContext], 16 /* DeleteSpace */),
- rule("NoSpaceBeforeCloseBracket", anyToken, 23 /* CloseBracketToken */, [isOptionDisabledOrUndefined("insertSpaceAfterOpeningAndBeforeClosingNonemptyBrackets"), isNonJsxSameLineTokenContext], 16 /* DeleteSpace */),
- // Insert a space after { and before } in single-line contexts, but remove space from empty object literals {}.
- rule("SpaceAfterOpenBrace", 18 /* OpenBraceToken */, anyToken, [isOptionEnabledOrUndefined("insertSpaceAfterOpeningAndBeforeClosingNonemptyBraces"), isBraceWrappedContext], 4 /* InsertSpace */),
- rule("SpaceBeforeCloseBrace", anyToken, 19 /* CloseBraceToken */, [isOptionEnabledOrUndefined("insertSpaceAfterOpeningAndBeforeClosingNonemptyBraces"), isBraceWrappedContext], 4 /* InsertSpace */),
- rule("NoSpaceBetweenEmptyBraceBrackets", 18 /* OpenBraceToken */, 19 /* CloseBraceToken */, [isNonJsxSameLineTokenContext, isObjectContext], 16 /* DeleteSpace */),
- rule("NoSpaceAfterOpenBrace", 18 /* OpenBraceToken */, anyToken, [isOptionDisabled("insertSpaceAfterOpeningAndBeforeClosingNonemptyBraces"), isNonJsxSameLineTokenContext], 16 /* DeleteSpace */),
- rule("NoSpaceBeforeCloseBrace", anyToken, 19 /* CloseBraceToken */, [isOptionDisabled("insertSpaceAfterOpeningAndBeforeClosingNonemptyBraces"), isNonJsxSameLineTokenContext], 16 /* DeleteSpace */),
- // Insert a space after opening and before closing empty brace brackets
- rule("SpaceBetweenEmptyBraceBrackets", 18 /* OpenBraceToken */, 19 /* CloseBraceToken */, [isOptionEnabled("insertSpaceAfterOpeningAndBeforeClosingEmptyBraces")], 4 /* InsertSpace */),
- rule("NoSpaceBetweenEmptyBraceBrackets", 18 /* OpenBraceToken */, 19 /* CloseBraceToken */, [isOptionDisabled("insertSpaceAfterOpeningAndBeforeClosingEmptyBraces"), isNonJsxSameLineTokenContext], 16 /* DeleteSpace */),
- // Insert space after opening and before closing template string braces
- rule("SpaceAfterTemplateHeadAndMiddle", [15 /* TemplateHead */, 16 /* TemplateMiddle */], anyToken, [isOptionEnabled("insertSpaceAfterOpeningAndBeforeClosingTemplateStringBraces"), isNonJsxSameLineTokenContext], 4 /* InsertSpace */),
- rule("SpaceBeforeTemplateMiddleAndTail", anyToken, [16 /* TemplateMiddle */, 17 /* TemplateTail */], [isOptionEnabled("insertSpaceAfterOpeningAndBeforeClosingTemplateStringBraces"), isNonJsxSameLineTokenContext], 4 /* InsertSpace */),
- rule("NoSpaceAfterTemplateHeadAndMiddle", [15 /* TemplateHead */, 16 /* TemplateMiddle */], anyToken, [isOptionDisabledOrUndefined("insertSpaceAfterOpeningAndBeforeClosingTemplateStringBraces"), isNonJsxSameLineTokenContext], 16 /* DeleteSpace */),
- rule("NoSpaceBeforeTemplateMiddleAndTail", anyToken, [16 /* TemplateMiddle */, 17 /* TemplateTail */], [isOptionDisabledOrUndefined("insertSpaceAfterOpeningAndBeforeClosingTemplateStringBraces"), isNonJsxSameLineTokenContext], 16 /* DeleteSpace */),
- // No space after { and before } in JSX expression
- rule("SpaceAfterOpenBraceInJsxExpression", 18 /* OpenBraceToken */, anyToken, [isOptionEnabled("insertSpaceAfterOpeningAndBeforeClosingJsxExpressionBraces"), isNonJsxSameLineTokenContext, isJsxExpressionContext], 4 /* InsertSpace */),
- rule("SpaceBeforeCloseBraceInJsxExpression", anyToken, 19 /* CloseBraceToken */, [isOptionEnabled("insertSpaceAfterOpeningAndBeforeClosingJsxExpressionBraces"), isNonJsxSameLineTokenContext, isJsxExpressionContext], 4 /* InsertSpace */),
- rule("NoSpaceAfterOpenBraceInJsxExpression", 18 /* OpenBraceToken */, anyToken, [isOptionDisabledOrUndefined("insertSpaceAfterOpeningAndBeforeClosingJsxExpressionBraces"), isNonJsxSameLineTokenContext, isJsxExpressionContext], 16 /* DeleteSpace */),
- rule("NoSpaceBeforeCloseBraceInJsxExpression", anyToken, 19 /* CloseBraceToken */, [isOptionDisabledOrUndefined("insertSpaceAfterOpeningAndBeforeClosingJsxExpressionBraces"), isNonJsxSameLineTokenContext, isJsxExpressionContext], 16 /* DeleteSpace */),
- // Insert space after semicolon in for statement
- rule("SpaceAfterSemicolonInFor", 26 /* SemicolonToken */, anyToken, [isOptionEnabled("insertSpaceAfterSemicolonInForStatements"), isNonJsxSameLineTokenContext, isForContext], 4 /* InsertSpace */),
- rule("NoSpaceAfterSemicolonInFor", 26 /* SemicolonToken */, anyToken, [isOptionDisabledOrUndefined("insertSpaceAfterSemicolonInForStatements"), isNonJsxSameLineTokenContext, isForContext], 16 /* DeleteSpace */),
- // Insert space before and after binary operators
- rule("SpaceBeforeBinaryOperator", anyToken, binaryOperators, [isOptionEnabled("insertSpaceBeforeAndAfterBinaryOperators"), isNonJsxSameLineTokenContext, isBinaryOpContext], 4 /* InsertSpace */),
- rule("SpaceAfterBinaryOperator", binaryOperators, anyToken, [isOptionEnabled("insertSpaceBeforeAndAfterBinaryOperators"), isNonJsxSameLineTokenContext, isBinaryOpContext], 4 /* InsertSpace */),
- rule("NoSpaceBeforeBinaryOperator", anyToken, binaryOperators, [isOptionDisabledOrUndefined("insertSpaceBeforeAndAfterBinaryOperators"), isNonJsxSameLineTokenContext, isBinaryOpContext], 16 /* DeleteSpace */),
- rule("NoSpaceAfterBinaryOperator", binaryOperators, anyToken, [isOptionDisabledOrUndefined("insertSpaceBeforeAndAfterBinaryOperators"), isNonJsxSameLineTokenContext, isBinaryOpContext], 16 /* DeleteSpace */),
- rule("SpaceBeforeOpenParenInFuncDecl", anyToken, 20 /* OpenParenToken */, [isOptionEnabled("insertSpaceBeforeFunctionParenthesis"), isNonJsxSameLineTokenContext, isFunctionDeclContext], 4 /* InsertSpace */),
- rule("NoSpaceBeforeOpenParenInFuncDecl", anyToken, 20 /* OpenParenToken */, [isOptionDisabledOrUndefined("insertSpaceBeforeFunctionParenthesis"), isNonJsxSameLineTokenContext, isFunctionDeclContext], 16 /* DeleteSpace */),
- // Open Brace braces after control block
- rule("NewLineBeforeOpenBraceInControl", controlOpenBraceLeftTokenRange, 18 /* OpenBraceToken */, [isOptionEnabled("placeOpenBraceOnNewLineForControlBlocks"), isControlDeclContext, isBeforeMultilineBlockContext], 8 /* InsertNewLine */, 1 /* CanDeleteNewLines */),
- // Open Brace braces after function
- // TypeScript: Function can have return types, which can be made of tons of different token kinds
- rule("NewLineBeforeOpenBraceInFunction", functionOpenBraceLeftTokenRange, 18 /* OpenBraceToken */, [isOptionEnabled("placeOpenBraceOnNewLineForFunctions"), isFunctionDeclContext, isBeforeMultilineBlockContext], 8 /* InsertNewLine */, 1 /* CanDeleteNewLines */),
- // Open Brace braces after TypeScript module/class/interface
- rule("NewLineBeforeOpenBraceInTypeScriptDeclWithBlock", typeScriptOpenBraceLeftTokenRange, 18 /* OpenBraceToken */, [isOptionEnabled("placeOpenBraceOnNewLineForFunctions"), isTypeScriptDeclWithBlockContext, isBeforeMultilineBlockContext], 8 /* InsertNewLine */, 1 /* CanDeleteNewLines */),
- rule("SpaceAfterTypeAssertion", 31 /* GreaterThanToken */, anyToken, [isOptionEnabled("insertSpaceAfterTypeAssertion"), isNonJsxSameLineTokenContext, isTypeAssertionContext], 4 /* InsertSpace */),
- rule("NoSpaceAfterTypeAssertion", 31 /* GreaterThanToken */, anyToken, [isOptionDisabledOrUndefined("insertSpaceAfterTypeAssertion"), isNonJsxSameLineTokenContext, isTypeAssertionContext], 16 /* DeleteSpace */),
- rule("SpaceBeforeTypeAnnotation", anyToken, 58 /* ColonToken */, [isOptionEnabled("insertSpaceBeforeTypeAnnotation"), isNonJsxSameLineTokenContext, isTypeAnnotationContext], 4 /* InsertSpace */),
- rule("NoSpaceBeforeTypeAnnotation", anyToken, 58 /* ColonToken */, [isOptionDisabledOrUndefined("insertSpaceBeforeTypeAnnotation"), isNonJsxSameLineTokenContext, isTypeAnnotationContext], 16 /* DeleteSpace */),
- rule("NoOptionalSemicolon", 26 /* SemicolonToken */, anyTokenIncludingEOF, [optionEquals("semicolons", ts.SemicolonPreference.Remove), isSemicolonDeletionContext], 32 /* DeleteToken */),
- rule("OptionalSemicolon", anyToken, anyTokenIncludingEOF, [optionEquals("semicolons", ts.SemicolonPreference.Insert), isSemicolonInsertionContext], 64 /* InsertTrailingSemicolon */),
- ];
- // These rules are lower in priority than user-configurable. Rules earlier in this list have priority over rules later in the list.
- var lowPriorityCommonRules = [
- // Space after keyword but not before ; or : or ?
- rule("NoSpaceBeforeSemicolon", anyToken, 26 /* SemicolonToken */, [isNonJsxSameLineTokenContext], 16 /* DeleteSpace */),
- rule("SpaceBeforeOpenBraceInControl", controlOpenBraceLeftTokenRange, 18 /* OpenBraceToken */, [isOptionDisabledOrUndefinedOrTokensOnSameLine("placeOpenBraceOnNewLineForControlBlocks"), isControlDeclContext, isNotFormatOnEnter, isSameLineTokenOrBeforeBlockContext], 4 /* InsertSpace */, 1 /* CanDeleteNewLines */),
- rule("SpaceBeforeOpenBraceInFunction", functionOpenBraceLeftTokenRange, 18 /* OpenBraceToken */, [isOptionDisabledOrUndefinedOrTokensOnSameLine("placeOpenBraceOnNewLineForFunctions"), isFunctionDeclContext, isBeforeBlockContext, isNotFormatOnEnter, isSameLineTokenOrBeforeBlockContext], 4 /* InsertSpace */, 1 /* CanDeleteNewLines */),
- rule("SpaceBeforeOpenBraceInTypeScriptDeclWithBlock", typeScriptOpenBraceLeftTokenRange, 18 /* OpenBraceToken */, [isOptionDisabledOrUndefinedOrTokensOnSameLine("placeOpenBraceOnNewLineForFunctions"), isTypeScriptDeclWithBlockContext, isNotFormatOnEnter, isSameLineTokenOrBeforeBlockContext], 4 /* InsertSpace */, 1 /* CanDeleteNewLines */),
- rule("NoSpaceBeforeComma", anyToken, 27 /* CommaToken */, [isNonJsxSameLineTokenContext], 16 /* DeleteSpace */),
- // No space before and after indexer `x[]`
- rule("NoSpaceBeforeOpenBracket", anyTokenExcept(126 /* AsyncKeyword */, 78 /* CaseKeyword */), 22 /* OpenBracketToken */, [isNonJsxSameLineTokenContext], 16 /* DeleteSpace */),
- rule("NoSpaceAfterCloseBracket", 23 /* CloseBracketToken */, anyToken, [isNonJsxSameLineTokenContext, isNotBeforeBlockInFunctionDeclarationContext], 16 /* DeleteSpace */),
- rule("SpaceAfterSemicolon", 26 /* SemicolonToken */, anyToken, [isNonJsxSameLineTokenContext], 4 /* InsertSpace */),
- // Remove extra space between for and await
- rule("SpaceBetweenForAndAwaitKeyword", 93 /* ForKeyword */, 127 /* AwaitKeyword */, [isNonJsxSameLineTokenContext], 4 /* InsertSpace */),
- // Add a space between statements. All keywords except (do,else,case) has open/close parens after them.
- // So, we have a rule to add a space for [),Any], [do,Any], [else,Any], and [case,Any]
- rule("SpaceBetweenStatements", [21 /* CloseParenToken */, 86 /* DoKeyword */, 87 /* ElseKeyword */, 78 /* CaseKeyword */], anyToken, [isNonJsxSameLineTokenContext, isNonJsxElementOrFragmentContext, isNotForContext], 4 /* InsertSpace */),
- // This low-pri rule takes care of "try {" and "finally {" in case the rule SpaceBeforeOpenBraceInControl didn't execute on FormatOnEnter.
- rule("SpaceAfterTryFinally", [107 /* TryKeyword */, 92 /* FinallyKeyword */], 18 /* OpenBraceToken */, [isNonJsxSameLineTokenContext], 4 /* InsertSpace */),
- ];
- return __spreadArrays(highPriorityCommonRules, userConfigurableRules, lowPriorityCommonRules);
- }
- formatting.getAllRules = getAllRules;
- /**
- * A rule takes a two tokens (left/right) and a particular context
- * for which you're meant to look at them. You then declare what should the
- * whitespace annotation be between these tokens via the action param.
- *
- * @param debugName Name to print
- * @param left The left side of the comparison
- * @param right The right side of the comparison
- * @param context A set of filters to narrow down the space in which this formatter rule applies
- * @param action a declaration of the expected whitespace
- * @param flags whether the rule deletes a line or not, defaults to no-op
- */
- function rule(debugName, left, right, context, action, flags) {
- if (flags === void 0) { flags = 0 /* None */; }
- return { leftTokenRange: toTokenRange(left), rightTokenRange: toTokenRange(right), rule: { debugName: debugName, context: context, action: action, flags: flags } };
- }
- function tokenRangeFrom(tokens) {
- return { tokens: tokens, isSpecific: true };
- }
- function toTokenRange(arg) {
- return typeof arg === "number" ? tokenRangeFrom([arg]) : ts.isArray(arg) ? tokenRangeFrom(arg) : arg;
- }
- function tokenRangeFromRange(from, to, except) {
- if (except === void 0) { except = []; }
- var tokens = [];
- for (var token = from; token <= to; token++) {
- if (!ts.contains(except, token)) {
- tokens.push(token);
- }
- }
- return tokenRangeFrom(tokens);
- }
- ///
- /// Contexts
- ///
- function optionEquals(optionName, optionValue) {
- return function (context) { return context.options && context.options[optionName] === optionValue; };
- }
- function isOptionEnabled(optionName) {
- return function (context) { return context.options && context.options.hasOwnProperty(optionName) && !!context.options[optionName]; };
- }
- function isOptionDisabled(optionName) {
- return function (context) { return context.options && context.options.hasOwnProperty(optionName) && !context.options[optionName]; };
- }
- function isOptionDisabledOrUndefined(optionName) {
- return function (context) { return !context.options || !context.options.hasOwnProperty(optionName) || !context.options[optionName]; };
- }
- function isOptionDisabledOrUndefinedOrTokensOnSameLine(optionName) {
- return function (context) { return !context.options || !context.options.hasOwnProperty(optionName) || !context.options[optionName] || context.TokensAreOnSameLine(); };
- }
- function isOptionEnabledOrUndefined(optionName) {
- return function (context) { return !context.options || !context.options.hasOwnProperty(optionName) || !!context.options[optionName]; };
- }
- function isForContext(context) {
- return context.contextNode.kind === 230 /* ForStatement */;
- }
- function isNotForContext(context) {
- return !isForContext(context);
- }
- function isBinaryOpContext(context) {
- switch (context.contextNode.kind) {
- case 209 /* BinaryExpression */:
- return context.contextNode.operatorToken.kind !== 27 /* CommaToken */;
- case 210 /* ConditionalExpression */:
- case 180 /* ConditionalType */:
- case 217 /* AsExpression */:
- case 263 /* ExportSpecifier */:
- case 258 /* ImportSpecifier */:
- case 168 /* TypePredicate */:
- case 178 /* UnionType */:
- case 179 /* IntersectionType */:
- return true;
- // equals in binding elements: function foo([[x, y] = [1, 2]])
- case 191 /* BindingElement */:
- // equals in type X = ...
- // falls through
- case 247 /* TypeAliasDeclaration */:
- // equal in import a = module('a');
- // falls through
- case 253 /* ImportEqualsDeclaration */:
- // equal in let a = 0
- // falls through
- case 242 /* VariableDeclaration */:
- // equal in p = 0
- // falls through
- case 156 /* Parameter */:
- case 284 /* EnumMember */:
- case 159 /* PropertyDeclaration */:
- case 158 /* PropertySignature */:
- return context.currentTokenSpan.kind === 62 /* EqualsToken */ || context.nextTokenSpan.kind === 62 /* EqualsToken */;
- // "in" keyword in for (let x in []) { }
- case 231 /* ForInStatement */:
- // "in" keyword in [P in keyof T]: T[P]
- // falls through
- case 155 /* TypeParameter */:
- return context.currentTokenSpan.kind === 97 /* InKeyword */ || context.nextTokenSpan.kind === 97 /* InKeyword */ || context.currentTokenSpan.kind === 62 /* EqualsToken */ || context.nextTokenSpan.kind === 62 /* EqualsToken */;
- // Technically, "of" is not a binary operator, but format it the same way as "in"
- case 232 /* ForOfStatement */:
- return context.currentTokenSpan.kind === 152 /* OfKeyword */ || context.nextTokenSpan.kind === 152 /* OfKeyword */;
- }
- return false;
- }
- function isNotBinaryOpContext(context) {
- return !isBinaryOpContext(context);
- }
- function isNotTypeAnnotationContext(context) {
- return !isTypeAnnotationContext(context);
- }
- function isTypeAnnotationContext(context) {
- var contextKind = context.contextNode.kind;
- return contextKind === 159 /* PropertyDeclaration */ ||
- contextKind === 158 /* PropertySignature */ ||
- contextKind === 156 /* Parameter */ ||
- contextKind === 242 /* VariableDeclaration */ ||
- ts.isFunctionLikeKind(contextKind);
- }
- function isConditionalOperatorContext(context) {
- return context.contextNode.kind === 210 /* ConditionalExpression */ ||
- context.contextNode.kind === 180 /* ConditionalType */;
- }
- function isSameLineTokenOrBeforeBlockContext(context) {
- return context.TokensAreOnSameLine() || isBeforeBlockContext(context);
- }
- function isBraceWrappedContext(context) {
- return context.contextNode.kind === 189 /* ObjectBindingPattern */ ||
- context.contextNode.kind === 186 /* MappedType */ ||
- isSingleLineBlockContext(context);
- }
- // This check is done before an open brace in a control construct, a function, or a typescript block declaration
- function isBeforeMultilineBlockContext(context) {
- return isBeforeBlockContext(context) && !(context.NextNodeAllOnSameLine() || context.NextNodeBlockIsOnOneLine());
- }
- function isMultilineBlockContext(context) {
- return isBlockContext(context) && !(context.ContextNodeAllOnSameLine() || context.ContextNodeBlockIsOnOneLine());
- }
- function isSingleLineBlockContext(context) {
- return isBlockContext(context) && (context.ContextNodeAllOnSameLine() || context.ContextNodeBlockIsOnOneLine());
- }
- function isBlockContext(context) {
- return nodeIsBlockContext(context.contextNode);
- }
- function isBeforeBlockContext(context) {
- return nodeIsBlockContext(context.nextTokenParent);
- }
- // IMPORTANT!!! This method must return true ONLY for nodes with open and close braces as immediate children
- function nodeIsBlockContext(node) {
- if (nodeIsTypeScriptDeclWithBlockContext(node)) {
- // This means we are in a context that looks like a block to the user, but in the grammar is actually not a node (it's a class, module, enum, object type literal, etc).
- return true;
- }
- switch (node.kind) {
- case 223 /* Block */:
- case 251 /* CaseBlock */:
- case 193 /* ObjectLiteralExpression */:
- case 250 /* ModuleBlock */:
- return true;
- }
- return false;
- }
- function isFunctionDeclContext(context) {
- switch (context.contextNode.kind) {
- case 244 /* FunctionDeclaration */:
- case 161 /* MethodDeclaration */:
- case 160 /* MethodSignature */:
- // case SyntaxKind.MemberFunctionDeclaration:
- // falls through
- case 163 /* GetAccessor */:
- case 164 /* SetAccessor */:
- // case SyntaxKind.MethodSignature:
- // falls through
- case 165 /* CallSignature */:
- case 201 /* FunctionExpression */:
- case 162 /* Constructor */:
- case 202 /* ArrowFunction */:
- // case SyntaxKind.ConstructorDeclaration:
- // case SyntaxKind.SimpleArrowFunctionExpression:
- // case SyntaxKind.ParenthesizedArrowFunctionExpression:
- // falls through
- case 246 /* InterfaceDeclaration */: // This one is not truly a function, but for formatting purposes, it acts just like one
- return true;
- }
- return false;
- }
- function isNotFunctionDeclContext(context) {
- return !isFunctionDeclContext(context);
- }
- function isFunctionDeclarationOrFunctionExpressionContext(context) {
- return context.contextNode.kind === 244 /* FunctionDeclaration */ || context.contextNode.kind === 201 /* FunctionExpression */;
- }
- function isTypeScriptDeclWithBlockContext(context) {
- return nodeIsTypeScriptDeclWithBlockContext(context.contextNode);
- }
- function nodeIsTypeScriptDeclWithBlockContext(node) {
- switch (node.kind) {
- case 245 /* ClassDeclaration */:
- case 214 /* ClassExpression */:
- case 246 /* InterfaceDeclaration */:
- case 248 /* EnumDeclaration */:
- case 173 /* TypeLiteral */:
- case 249 /* ModuleDeclaration */:
- case 260 /* ExportDeclaration */:
- case 261 /* NamedExports */:
- case 254 /* ImportDeclaration */:
- case 257 /* NamedImports */:
- return true;
- }
- return false;
- }
- function isAfterCodeBlockContext(context) {
- switch (context.currentTokenParent.kind) {
- case 245 /* ClassDeclaration */:
- case 249 /* ModuleDeclaration */:
- case 248 /* EnumDeclaration */:
- case 280 /* CatchClause */:
- case 250 /* ModuleBlock */:
- case 237 /* SwitchStatement */:
- return true;
- case 223 /* Block */: {
- var blockParent = context.currentTokenParent.parent;
- // In a codefix scenario, we can't rely on parents being set. So just always return true.
- if (!blockParent || blockParent.kind !== 202 /* ArrowFunction */ && blockParent.kind !== 201 /* FunctionExpression */) {
- return true;
- }
- }
- }
- return false;
- }
- function isControlDeclContext(context) {
- switch (context.contextNode.kind) {
- case 227 /* IfStatement */:
- case 237 /* SwitchStatement */:
- case 230 /* ForStatement */:
- case 231 /* ForInStatement */:
- case 232 /* ForOfStatement */:
- case 229 /* WhileStatement */:
- case 240 /* TryStatement */:
- case 228 /* DoStatement */:
- case 236 /* WithStatement */:
- // TODO
- // case SyntaxKind.ElseClause:
- // falls through
- case 280 /* CatchClause */:
- return true;
- default:
- return false;
- }
- }
- function isObjectContext(context) {
- return context.contextNode.kind === 193 /* ObjectLiteralExpression */;
- }
- function isFunctionCallContext(context) {
- return context.contextNode.kind === 196 /* CallExpression */;
- }
- function isNewContext(context) {
- return context.contextNode.kind === 197 /* NewExpression */;
- }
- function isFunctionCallOrNewContext(context) {
- return isFunctionCallContext(context) || isNewContext(context);
- }
- function isPreviousTokenNotComma(context) {
- return context.currentTokenSpan.kind !== 27 /* CommaToken */;
- }
- function isNextTokenNotCloseBracket(context) {
- return context.nextTokenSpan.kind !== 23 /* CloseBracketToken */;
- }
- function isNextTokenNotCloseParen(context) {
- return context.nextTokenSpan.kind !== 21 /* CloseParenToken */;
- }
- function isArrowFunctionContext(context) {
- return context.contextNode.kind === 202 /* ArrowFunction */;
- }
- function isImportTypeContext(context) {
- return context.contextNode.kind === 188 /* ImportType */;
- }
- function isNonJsxSameLineTokenContext(context) {
- return context.TokensAreOnSameLine() && context.contextNode.kind !== 11 /* JsxText */;
- }
- function isNonJsxElementOrFragmentContext(context) {
- return context.contextNode.kind !== 266 /* JsxElement */ && context.contextNode.kind !== 270 /* JsxFragment */;
- }
- function isJsxExpressionContext(context) {
- return context.contextNode.kind === 276 /* JsxExpression */ || context.contextNode.kind === 275 /* JsxSpreadAttribute */;
- }
- function isNextTokenParentJsxAttribute(context) {
- return context.nextTokenParent.kind === 273 /* JsxAttribute */;
- }
- function isJsxAttributeContext(context) {
- return context.contextNode.kind === 273 /* JsxAttribute */;
- }
- function isJsxSelfClosingElementContext(context) {
- return context.contextNode.kind === 267 /* JsxSelfClosingElement */;
- }
- function isNotBeforeBlockInFunctionDeclarationContext(context) {
- return !isFunctionDeclContext(context) && !isBeforeBlockContext(context);
- }
- function isEndOfDecoratorContextOnSameLine(context) {
- return context.TokensAreOnSameLine() &&
- !!context.contextNode.decorators &&
- nodeIsInDecoratorContext(context.currentTokenParent) &&
- !nodeIsInDecoratorContext(context.nextTokenParent);
- }
- function nodeIsInDecoratorContext(node) {
- while (ts.isExpressionNode(node)) {
- node = node.parent;
- }
- return node.kind === 157 /* Decorator */;
- }
- function isStartOfVariableDeclarationList(context) {
- return context.currentTokenParent.kind === 243 /* VariableDeclarationList */ &&
- context.currentTokenParent.getStart(context.sourceFile) === context.currentTokenSpan.pos;
- }
- function isNotFormatOnEnter(context) {
- return context.formattingRequestKind !== 2 /* FormatOnEnter */;
- }
- function isModuleDeclContext(context) {
- return context.contextNode.kind === 249 /* ModuleDeclaration */;
- }
- function isObjectTypeContext(context) {
- return context.contextNode.kind === 173 /* TypeLiteral */; // && context.contextNode.parent.kind !== SyntaxKind.InterfaceDeclaration;
- }
- function isConstructorSignatureContext(context) {
- return context.contextNode.kind === 166 /* ConstructSignature */;
- }
- function isTypeArgumentOrParameterOrAssertion(token, parent) {
- if (token.kind !== 29 /* LessThanToken */ && token.kind !== 31 /* GreaterThanToken */) {
- return false;
- }
- switch (parent.kind) {
- case 169 /* TypeReference */:
- case 199 /* TypeAssertionExpression */:
- case 247 /* TypeAliasDeclaration */:
- case 245 /* ClassDeclaration */:
- case 214 /* ClassExpression */:
- case 246 /* InterfaceDeclaration */:
- case 244 /* FunctionDeclaration */:
- case 201 /* FunctionExpression */:
- case 202 /* ArrowFunction */:
- case 161 /* MethodDeclaration */:
- case 160 /* MethodSignature */:
- case 165 /* CallSignature */:
- case 166 /* ConstructSignature */:
- case 196 /* CallExpression */:
- case 197 /* NewExpression */:
- case 216 /* ExpressionWithTypeArguments */:
- return true;
- default:
- return false;
- }
- }
- function isTypeArgumentOrParameterOrAssertionContext(context) {
- return isTypeArgumentOrParameterOrAssertion(context.currentTokenSpan, context.currentTokenParent) ||
- isTypeArgumentOrParameterOrAssertion(context.nextTokenSpan, context.nextTokenParent);
- }
- function isTypeAssertionContext(context) {
- return context.contextNode.kind === 199 /* TypeAssertionExpression */;
- }
- function isVoidOpContext(context) {
- return context.currentTokenSpan.kind === 110 /* VoidKeyword */ && context.currentTokenParent.kind === 205 /* VoidExpression */;
- }
- function isYieldOrYieldStarWithOperand(context) {
- return context.contextNode.kind === 212 /* YieldExpression */ && context.contextNode.expression !== undefined;
- }
- function isNonNullAssertionContext(context) {
- return context.contextNode.kind === 218 /* NonNullExpression */;
- }
- function isNotStatementConditionContext(context) {
- return !isStatementConditionContext(context);
- }
- function isStatementConditionContext(context) {
- switch (context.contextNode.kind) {
- case 227 /* IfStatement */:
- case 230 /* ForStatement */:
- case 231 /* ForInStatement */:
- case 232 /* ForOfStatement */:
- case 228 /* DoStatement */:
- case 229 /* WhileStatement */:
- return true;
- default:
- return false;
- }
- }
- function isSemicolonDeletionContext(context) {
- var nextTokenKind = context.nextTokenSpan.kind;
- var nextTokenStart = context.nextTokenSpan.pos;
- if (ts.isTrivia(nextTokenKind)) {
- var nextRealToken = context.nextTokenParent === context.currentTokenParent
- ? ts.findNextToken(context.currentTokenParent, ts.findAncestor(context.currentTokenParent, function (a) { return !a.parent; }), context.sourceFile)
- : context.nextTokenParent.getFirstToken(context.sourceFile);
- if (!nextRealToken) {
- return true;
- }
- nextTokenKind = nextRealToken.kind;
- nextTokenStart = nextRealToken.getStart(context.sourceFile);
- }
- var startLine = context.sourceFile.getLineAndCharacterOfPosition(context.currentTokenSpan.pos).line;
- var endLine = context.sourceFile.getLineAndCharacterOfPosition(nextTokenStart).line;
- if (startLine === endLine) {
- return nextTokenKind === 19 /* CloseBraceToken */
- || nextTokenKind === 1 /* EndOfFileToken */;
- }
- if (nextTokenKind === 222 /* SemicolonClassElement */ ||
- nextTokenKind === 26 /* SemicolonToken */) {
- return false;
- }
- if (context.contextNode.kind === 246 /* InterfaceDeclaration */ ||
- context.contextNode.kind === 247 /* TypeAliasDeclaration */) {
- // Can’t remove semicolon after `foo`; it would parse as a method declaration:
- //
- // interface I {
- // foo;
- // (): void
- // }
- return !ts.isPropertySignature(context.currentTokenParent)
- || !!context.currentTokenParent.type
- || nextTokenKind !== 20 /* OpenParenToken */;
- }
- if (ts.isPropertyDeclaration(context.currentTokenParent)) {
- return !context.currentTokenParent.initializer;
- }
- return context.currentTokenParent.kind !== 230 /* ForStatement */
- && context.currentTokenParent.kind !== 224 /* EmptyStatement */
- && context.currentTokenParent.kind !== 222 /* SemicolonClassElement */
- && nextTokenKind !== 22 /* OpenBracketToken */
- && nextTokenKind !== 20 /* OpenParenToken */
- && nextTokenKind !== 39 /* PlusToken */
- && nextTokenKind !== 40 /* MinusToken */
- && nextTokenKind !== 43 /* SlashToken */
- && nextTokenKind !== 13 /* RegularExpressionLiteral */
- && nextTokenKind !== 27 /* CommaToken */
- && nextTokenKind !== 211 /* TemplateExpression */
- && nextTokenKind !== 15 /* TemplateHead */
- && nextTokenKind !== 14 /* NoSubstitutionTemplateLiteral */
- && nextTokenKind !== 24 /* DotToken */;
- }
- function isSemicolonInsertionContext(context) {
- return ts.positionIsASICandidate(context.currentTokenSpan.end, context.currentTokenParent, context.sourceFile);
- }
- })(formatting = ts.formatting || (ts.formatting = {}));
-})(ts || (ts = {}));
-/* @internal */
-var ts;
-(function (ts) {
- var formatting;
- (function (formatting) {
- function getFormatContext(options, host) {
- return { options: options, getRules: getRulesMap(), host: host };
- }
- formatting.getFormatContext = getFormatContext;
- var rulesMapCache;
- function getRulesMap() {
- if (rulesMapCache === undefined) {
- rulesMapCache = createRulesMap(formatting.getAllRules());
- }
- return rulesMapCache;
- }
- /**
- * For a given rule action, gets a mask of other rule actions that
- * cannot be applied at the same position.
- */
- function getRuleActionExclusion(ruleAction) {
- var mask = 0;
- if (ruleAction & 1 /* StopProcessingSpaceActions */) {
- mask |= 28 /* ModifySpaceAction */;
- }
- if (ruleAction & 2 /* StopProcessingTokenActions */) {
- mask |= 96 /* ModifyTokenAction */;
- }
- if (ruleAction & 28 /* ModifySpaceAction */) {
- mask |= 28 /* ModifySpaceAction */;
- }
- if (ruleAction & 96 /* ModifyTokenAction */) {
- mask |= 96 /* ModifyTokenAction */;
- }
- return mask;
- }
- function createRulesMap(rules) {
- var map = buildMap(rules);
- return function (context) {
- var bucket = map[getRuleBucketIndex(context.currentTokenSpan.kind, context.nextTokenSpan.kind)];
- if (bucket) {
- var rules_1 = [];
- var ruleActionMask = 0;
- for (var _i = 0, bucket_1 = bucket; _i < bucket_1.length; _i++) {
- var rule = bucket_1[_i];
- var acceptRuleActions = ~getRuleActionExclusion(ruleActionMask);
- if (rule.action & acceptRuleActions && ts.every(rule.context, function (c) { return c(context); })) {
- rules_1.push(rule);
- ruleActionMask |= rule.action;
- }
- }
- if (rules_1.length) {
- return rules_1;
- }
- }
- };
- }
- function buildMap(rules) {
- // Map from bucket index to array of rules
- var map = new Array(mapRowLength * mapRowLength);
- // This array is used only during construction of the rulesbucket in the map
- var rulesBucketConstructionStateList = new Array(map.length);
- for (var _i = 0, rules_2 = rules; _i < rules_2.length; _i++) {
- var rule = rules_2[_i];
- var specificRule = rule.leftTokenRange.isSpecific && rule.rightTokenRange.isSpecific;
- for (var _a = 0, _b = rule.leftTokenRange.tokens; _a < _b.length; _a++) {
- var left = _b[_a];
- for (var _c = 0, _d = rule.rightTokenRange.tokens; _c < _d.length; _c++) {
- var right = _d[_c];
- var index = getRuleBucketIndex(left, right);
- var rulesBucket = map[index];
- if (rulesBucket === undefined) {
- rulesBucket = map[index] = [];
- }
- addRule(rulesBucket, rule.rule, specificRule, rulesBucketConstructionStateList, index);
- }
- }
- }
- return map;
- }
- function getRuleBucketIndex(row, column) {
- ts.Debug.assert(row <= 152 /* LastKeyword */ && column <= 152 /* LastKeyword */, "Must compute formatting context from tokens");
- return (row * mapRowLength) + column;
- }
- var maskBitSize = 5;
- var mask = 31; // MaskBitSize bits
- var mapRowLength = 152 /* LastToken */ + 1;
- var RulesPosition;
- (function (RulesPosition) {
- RulesPosition[RulesPosition["StopRulesSpecific"] = 0] = "StopRulesSpecific";
- RulesPosition[RulesPosition["StopRulesAny"] = maskBitSize * 1] = "StopRulesAny";
- RulesPosition[RulesPosition["ContextRulesSpecific"] = maskBitSize * 2] = "ContextRulesSpecific";
- RulesPosition[RulesPosition["ContextRulesAny"] = maskBitSize * 3] = "ContextRulesAny";
- RulesPosition[RulesPosition["NoContextRulesSpecific"] = maskBitSize * 4] = "NoContextRulesSpecific";
- RulesPosition[RulesPosition["NoContextRulesAny"] = maskBitSize * 5] = "NoContextRulesAny";
- })(RulesPosition || (RulesPosition = {}));
- // The Rules list contains all the inserted rules into a rulebucket in the following order:
- // 1- Ignore rules with specific token combination
- // 2- Ignore rules with any token combination
- // 3- Context rules with specific token combination
- // 4- Context rules with any token combination
- // 5- Non-context rules with specific token combination
- // 6- Non-context rules with any token combination
- //
- // The member rulesInsertionIndexBitmap is used to describe the number of rules
- // in each sub-bucket (above) hence can be used to know the index of where to insert
- // the next rule. It's a bitmap which contains 6 different sections each is given 5 bits.
- //
- // Example:
- // In order to insert a rule to the end of sub-bucket (3), we get the index by adding
- // the values in the bitmap segments 3rd, 2nd, and 1st.
- function addRule(rules, rule, specificTokens, constructionState, rulesBucketIndex) {
- var position = rule.action & 3 /* StopAction */ ?
- specificTokens ? RulesPosition.StopRulesSpecific : RulesPosition.StopRulesAny :
- rule.context !== formatting.anyContext ?
- specificTokens ? RulesPosition.ContextRulesSpecific : RulesPosition.ContextRulesAny :
- specificTokens ? RulesPosition.NoContextRulesSpecific : RulesPosition.NoContextRulesAny;
- var state = constructionState[rulesBucketIndex] || 0;
- rules.splice(getInsertionIndex(state, position), 0, rule);
- constructionState[rulesBucketIndex] = increaseInsertionIndex(state, position);
- }
- function getInsertionIndex(indexBitmap, maskPosition) {
- var index = 0;
- for (var pos = 0; pos <= maskPosition; pos += maskBitSize) {
- index += indexBitmap & mask;
- indexBitmap >>= maskBitSize;
- }
- return index;
- }
- function increaseInsertionIndex(indexBitmap, maskPosition) {
- var value = ((indexBitmap >> maskPosition) & mask) + 1;
- ts.Debug.assert((value & mask) === value, "Adding more rules into the sub-bucket than allowed. Maximum allowed is 32 rules.");
- return (indexBitmap & ~(mask << maskPosition)) | (value << maskPosition);
- }
- })(formatting = ts.formatting || (ts.formatting = {}));
-})(ts || (ts = {}));
-/* @internal */
-var ts;
-(function (ts) {
- var formatting;
- (function (formatting) {
- function createTextRangeWithKind(pos, end, kind) {
- var textRangeWithKind = { pos: pos, end: end, kind: kind };
- if (ts.Debug.isDebugging) {
- Object.defineProperty(textRangeWithKind, "__debugKind", {
- get: function () { return ts.Debug.formatSyntaxKind(kind); },
- });
- }
- return textRangeWithKind;
- }
- formatting.createTextRangeWithKind = createTextRangeWithKind;
- var Constants;
- (function (Constants) {
- Constants[Constants["Unknown"] = -1] = "Unknown";
- })(Constants || (Constants = {}));
- function formatOnEnter(position, sourceFile, formatContext) {
- var line = sourceFile.getLineAndCharacterOfPosition(position).line;
- if (line === 0) {
- return [];
- }
- // After the enter key, the cursor is now at a new line. The new line may or may not contain non-whitespace characters.
- // If the new line has only whitespaces, we won't want to format this line, because that would remove the indentation as
- // trailing whitespaces. So the end of the formatting span should be the later one between:
- // 1. the end of the previous line
- // 2. the last non-whitespace character in the current line
- var endOfFormatSpan = ts.getEndLinePosition(line, sourceFile);
- while (ts.isWhiteSpaceSingleLine(sourceFile.text.charCodeAt(endOfFormatSpan))) {
- endOfFormatSpan--;
- }
- // if the character at the end of the span is a line break, we shouldn't include it, because it indicates we don't want to
- // touch the current line at all. Also, on some OSes the line break consists of two characters (\r\n), we should test if the
- // previous character before the end of format span is line break character as well.
- if (ts.isLineBreak(sourceFile.text.charCodeAt(endOfFormatSpan))) {
- endOfFormatSpan--;
- }
- var span = {
- // get start position for the previous line
- pos: ts.getStartPositionOfLine(line - 1, sourceFile),
- // end value is exclusive so add 1 to the result
- end: endOfFormatSpan + 1
- };
- return formatSpan(span, sourceFile, formatContext, 2 /* FormatOnEnter */);
- }
- formatting.formatOnEnter = formatOnEnter;
- function formatOnSemicolon(position, sourceFile, formatContext) {
- var semicolon = findImmediatelyPrecedingTokenOfKind(position, 26 /* SemicolonToken */, sourceFile);
- return formatNodeLines(findOutermostNodeWithinListLevel(semicolon), sourceFile, formatContext, 3 /* FormatOnSemicolon */);
- }
- formatting.formatOnSemicolon = formatOnSemicolon;
- function formatOnOpeningCurly(position, sourceFile, formatContext) {
- var openingCurly = findImmediatelyPrecedingTokenOfKind(position, 18 /* OpenBraceToken */, sourceFile);
- if (!openingCurly) {
- return [];
- }
- var curlyBraceRange = openingCurly.parent;
- var outermostNode = findOutermostNodeWithinListLevel(curlyBraceRange);
- /**
- * We limit the span to end at the opening curly to handle the case where
- * the brace matched to that just typed will be incorrect after further edits.
- * For example, we could type the opening curly for the following method
- * body without brace-matching activated:
- * ```
- * class C {
- * foo()
- * }
- * ```
- * and we wouldn't want to move the closing brace.
- */
- var textRange = {
- pos: ts.getLineStartPositionForPosition(outermostNode.getStart(sourceFile), sourceFile),
- end: position
- };
- return formatSpan(textRange, sourceFile, formatContext, 4 /* FormatOnOpeningCurlyBrace */);
- }
- formatting.formatOnOpeningCurly = formatOnOpeningCurly;
- function formatOnClosingCurly(position, sourceFile, formatContext) {
- var precedingToken = findImmediatelyPrecedingTokenOfKind(position, 19 /* CloseBraceToken */, sourceFile);
- return formatNodeLines(findOutermostNodeWithinListLevel(precedingToken), sourceFile, formatContext, 5 /* FormatOnClosingCurlyBrace */);
- }
- formatting.formatOnClosingCurly = formatOnClosingCurly;
- function formatDocument(sourceFile, formatContext) {
- var span = {
- pos: 0,
- end: sourceFile.text.length
- };
- return formatSpan(span, sourceFile, formatContext, 0 /* FormatDocument */);
- }
- formatting.formatDocument = formatDocument;
- function formatSelection(start, end, sourceFile, formatContext) {
- // format from the beginning of the line
- var span = {
- pos: ts.getLineStartPositionForPosition(start, sourceFile),
- end: end,
- };
- return formatSpan(span, sourceFile, formatContext, 1 /* FormatSelection */);
- }
- formatting.formatSelection = formatSelection;
- /**
- * Validating `expectedTokenKind` ensures the token was typed in the context we expect (eg: not a comment).
- * @param expectedTokenKind The kind of the last token constituting the desired parent node.
- */
- function findImmediatelyPrecedingTokenOfKind(end, expectedTokenKind, sourceFile) {
- var precedingToken = ts.findPrecedingToken(end, sourceFile);
- return precedingToken && precedingToken.kind === expectedTokenKind && end === precedingToken.getEnd() ?
- precedingToken :
- undefined;
- }
- /**
- * Finds the highest node enclosing `node` at the same list level as `node`
- * and whose end does not exceed `node.end`.
- *
- * Consider typing the following
- * ```
- * let x = 1;
- * while (true) {
- * }
- * ```
- * Upon typing the closing curly, we want to format the entire `while`-statement, but not the preceding
- * variable declaration.
- */
- function findOutermostNodeWithinListLevel(node) {
- var current = node;
- while (current &&
- current.parent &&
- current.parent.end === node.end &&
- !isListElement(current.parent, current)) {
- current = current.parent;
- }
- return current;
- }
- // Returns true if node is a element in some list in parent
- // i.e. parent is class declaration with the list of members and node is one of members.
- function isListElement(parent, node) {
- switch (parent.kind) {
- case 245 /* ClassDeclaration */:
- case 246 /* InterfaceDeclaration */:
- return ts.rangeContainsRange(parent.members, node);
- case 249 /* ModuleDeclaration */:
- var body = parent.body;
- return !!body && body.kind === 250 /* ModuleBlock */ && ts.rangeContainsRange(body.statements, node);
- case 290 /* SourceFile */:
- case 223 /* Block */:
- case 250 /* ModuleBlock */:
- return ts.rangeContainsRange(parent.statements, node);
- case 280 /* CatchClause */:
- return ts.rangeContainsRange(parent.block.statements, node);
- }
- return false;
- }
- /** find node that fully contains given text range */
- function findEnclosingNode(range, sourceFile) {
- return find(sourceFile);
- function find(n) {
- var candidate = ts.forEachChild(n, function (c) { return ts.startEndContainsRange(c.getStart(sourceFile), c.end, range) && c; });
- if (candidate) {
- var result = find(candidate);
- if (result) {
- return result;
- }
- }
- return n;
- }
- }
- /** formatting is not applied to ranges that contain parse errors.
- * This function will return a predicate that for a given text range will tell
- * if there are any parse errors that overlap with the range.
- */
- function prepareRangeContainsErrorFunction(errors, originalRange) {
- if (!errors.length) {
- return rangeHasNoErrors;
- }
- // pick only errors that fall in range
- var sorted = errors
- .filter(function (d) { return ts.rangeOverlapsWithStartEnd(originalRange, d.start, d.start + d.length); }) // TODO: GH#18217
- .sort(function (e1, e2) { return e1.start - e2.start; });
- if (!sorted.length) {
- return rangeHasNoErrors;
- }
- var index = 0;
- return function (r) {
- // in current implementation sequence of arguments [r1, r2...] is monotonically increasing.
- // 'index' tracks the index of the most recent error that was checked.
- while (true) {
- if (index >= sorted.length) {
- // all errors in the range were already checked -> no error in specified range
- return false;
- }
- var error = sorted[index];
- if (r.end <= error.start) {
- // specified range ends before the error referred by 'index' - no error in range
- return false;
- }
- if (ts.startEndOverlapsWithStartEnd(r.pos, r.end, error.start, error.start + error.length)) {
- // specified range overlaps with error range
- return true;
- }
- index++;
- }
- };
- function rangeHasNoErrors() {
- return false;
- }
- }
- /**
- * Start of the original range might fall inside the comment - scanner will not yield appropriate results
- * This function will look for token that is located before the start of target range
- * and return its end as start position for the scanner.
- */
- function getScanStartPosition(enclosingNode, originalRange, sourceFile) {
- var start = enclosingNode.getStart(sourceFile);
- if (start === originalRange.pos && enclosingNode.end === originalRange.end) {
- return start;
- }
- var precedingToken = ts.findPrecedingToken(originalRange.pos, sourceFile);
- if (!precedingToken) {
- // no preceding token found - start from the beginning of enclosing node
- return enclosingNode.pos;
- }
- // preceding token ends after the start of original range (i.e when originalRange.pos falls in the middle of literal)
- // start from the beginning of enclosingNode to handle the entire 'originalRange'
- if (precedingToken.end >= originalRange.pos) {
- return enclosingNode.pos;
- }
- return precedingToken.end;
- }
- /*
- * For cases like
- * if (a ||
- * b ||$
- * c) {...}
- * If we hit Enter at $ we want line ' b ||' to be indented.
- * Formatting will be applied to the last two lines.
- * Node that fully encloses these lines is binary expression 'a ||...'.
- * Initial indentation for this node will be 0.
- * Binary expressions don't introduce new indentation scopes, however it is possible
- * that some parent node on the same line does - like if statement in this case.
- * Note that we are considering parents only from the same line with initial node -
- * if parent is on the different line - its delta was already contributed
- * to the initial indentation.
- */
- function getOwnOrInheritedDelta(n, options, sourceFile) {
- var previousLine = -1 /* Unknown */;
- var child;
- while (n) {
- var line = sourceFile.getLineAndCharacterOfPosition(n.getStart(sourceFile)).line;
- if (previousLine !== -1 /* Unknown */ && line !== previousLine) {
- break;
- }
- if (formatting.SmartIndenter.shouldIndentChildNode(options, n, child, sourceFile)) {
- return options.indentSize;
- }
- previousLine = line;
- child = n;
- n = n.parent;
- }
- return 0;
- }
- function formatNodeGivenIndentation(node, sourceFileLike, languageVariant, initialIndentation, delta, formatContext) {
- var range = { pos: 0, end: sourceFileLike.text.length };
- return formatting.getFormattingScanner(sourceFileLike.text, languageVariant, range.pos, range.end, function (scanner) { return formatSpanWorker(range, node, initialIndentation, delta, scanner, formatContext, 1 /* FormatSelection */, function (_) { return false; }, // assume that node does not have any errors
- sourceFileLike); });
- }
- formatting.formatNodeGivenIndentation = formatNodeGivenIndentation;
- function formatNodeLines(node, sourceFile, formatContext, requestKind) {
- if (!node) {
- return [];
- }
- var span = {
- pos: ts.getLineStartPositionForPosition(node.getStart(sourceFile), sourceFile),
- end: node.end
- };
- return formatSpan(span, sourceFile, formatContext, requestKind);
- }
- function formatSpan(originalRange, sourceFile, formatContext, requestKind) {
- // find the smallest node that fully wraps the range and compute the initial indentation for the node
- var enclosingNode = findEnclosingNode(originalRange, sourceFile);
- return formatting.getFormattingScanner(sourceFile.text, sourceFile.languageVariant, getScanStartPosition(enclosingNode, originalRange, sourceFile), originalRange.end, function (scanner) { return formatSpanWorker(originalRange, enclosingNode, formatting.SmartIndenter.getIndentationForNode(enclosingNode, originalRange, sourceFile, formatContext.options), getOwnOrInheritedDelta(enclosingNode, formatContext.options, sourceFile), scanner, formatContext, requestKind, prepareRangeContainsErrorFunction(sourceFile.parseDiagnostics, originalRange), sourceFile); });
- }
- function formatSpanWorker(originalRange, enclosingNode, initialIndentation, delta, formattingScanner, _a, requestKind, rangeContainsError, sourceFile) {
- var options = _a.options, getRules = _a.getRules, host = _a.host;
- // formatting context is used by rules provider
- var formattingContext = new formatting.FormattingContext(sourceFile, requestKind, options);
- var previousRange;
- var previousParent;
- var previousRangeStartLine;
- var lastIndentedLine;
- var indentationOnLastIndentedLine = -1 /* Unknown */;
- var edits = [];
- formattingScanner.advance();
- if (formattingScanner.isOnToken()) {
- var startLine = sourceFile.getLineAndCharacterOfPosition(enclosingNode.getStart(sourceFile)).line;
- var undecoratedStartLine = startLine;
- if (enclosingNode.decorators) {
- undecoratedStartLine = sourceFile.getLineAndCharacterOfPosition(ts.getNonDecoratorTokenPosOfNode(enclosingNode, sourceFile)).line;
- }
- processNode(enclosingNode, enclosingNode, startLine, undecoratedStartLine, initialIndentation, delta);
- }
- if (!formattingScanner.isOnToken()) {
- var leadingTrivia = formattingScanner.getCurrentLeadingTrivia();
- if (leadingTrivia) {
- indentTriviaItems(leadingTrivia, initialIndentation, /*indentNextTokenOrTrivia*/ false, function (item) { return processRange(item, sourceFile.getLineAndCharacterOfPosition(item.pos), enclosingNode, enclosingNode, /*dynamicIndentation*/ undefined); });
- if (options.trimTrailingWhitespace !== false) {
- trimTrailingWhitespacesForRemainingRange();
- }
- }
- }
- return edits;
- // local functions
- /** Tries to compute the indentation for a list element.
- * If list element is not in range then
- * function will pick its actual indentation
- * so it can be pushed downstream as inherited indentation.
- * If list element is in the range - its indentation will be equal
- * to inherited indentation from its predecessors.
- */
- function tryComputeIndentationForListItem(startPos, endPos, parentStartLine, range, inheritedIndentation) {
- if (ts.rangeOverlapsWithStartEnd(range, startPos, endPos) ||
- ts.rangeContainsStartEnd(range, startPos, endPos) /* Not to miss zero-range nodes e.g. JsxText */) {
- if (inheritedIndentation !== -1 /* Unknown */) {
- return inheritedIndentation;
- }
- }
- else {
- var startLine = sourceFile.getLineAndCharacterOfPosition(startPos).line;
- var startLinePosition = ts.getLineStartPositionForPosition(startPos, sourceFile);
- var column = formatting.SmartIndenter.findFirstNonWhitespaceColumn(startLinePosition, startPos, sourceFile, options);
- if (startLine !== parentStartLine || startPos === column) {
- // Use the base indent size if it is greater than
- // the indentation of the inherited predecessor.
- var baseIndentSize = formatting.SmartIndenter.getBaseIndentation(options);
- return baseIndentSize > column ? baseIndentSize : column;
- }
- }
- return -1 /* Unknown */;
- }
- function computeIndentation(node, startLine, inheritedIndentation, parent, parentDynamicIndentation, effectiveParentStartLine) {
- var delta = formatting.SmartIndenter.shouldIndentChildNode(options, node) ? options.indentSize : 0;
- if (effectiveParentStartLine === startLine) {
- // if node is located on the same line with the parent
- // - inherit indentation from the parent
- // - push children if either parent of node itself has non-zero delta
- return {
- indentation: startLine === lastIndentedLine ? indentationOnLastIndentedLine : parentDynamicIndentation.getIndentation(),
- delta: Math.min(options.indentSize, parentDynamicIndentation.getDelta(node) + delta)
- };
- }
- else if (inheritedIndentation === -1 /* Unknown */) {
- if (node.kind === 20 /* OpenParenToken */ && startLine === lastIndentedLine) {
- // the is used for chaining methods formatting
- // - we need to get the indentation on last line and the delta of parent
- return { indentation: indentationOnLastIndentedLine, delta: parentDynamicIndentation.getDelta(node) };
- }
- else if (formatting.SmartIndenter.childStartsOnTheSameLineWithElseInIfStatement(parent, node, startLine, sourceFile)) {
- return { indentation: parentDynamicIndentation.getIndentation(), delta: delta };
- }
- else if (formatting.SmartIndenter.argumentStartsOnSameLineAsPreviousArgument(parent, node, startLine, sourceFile)) {
- return { indentation: parentDynamicIndentation.getIndentation(), delta: delta };
- }
- else {
- return { indentation: parentDynamicIndentation.getIndentation() + parentDynamicIndentation.getDelta(node), delta: delta };
- }
- }
- else {
- return { indentation: inheritedIndentation, delta: delta };
- }
- }
- function getFirstNonDecoratorTokenOfNode(node) {
- if (node.modifiers && node.modifiers.length) {
- return node.modifiers[0].kind;
- }
- switch (node.kind) {
- case 245 /* ClassDeclaration */: return 80 /* ClassKeyword */;
- case 246 /* InterfaceDeclaration */: return 114 /* InterfaceKeyword */;
- case 244 /* FunctionDeclaration */: return 94 /* FunctionKeyword */;
- case 248 /* EnumDeclaration */: return 248 /* EnumDeclaration */;
- case 163 /* GetAccessor */: return 131 /* GetKeyword */;
- case 164 /* SetAccessor */: return 142 /* SetKeyword */;
- case 161 /* MethodDeclaration */:
- if (node.asteriskToken) {
- return 41 /* AsteriskToken */;
- }
- // falls through
- case 159 /* PropertyDeclaration */:
- case 156 /* Parameter */:
- var name = ts.getNameOfDeclaration(node);
- if (name) {
- return name.kind;
- }
- }
- }
- function getDynamicIndentation(node, nodeStartLine, indentation, delta) {
- return {
- getIndentationForComment: function (kind, tokenIndentation, container) {
- switch (kind) {
- // preceding comment to the token that closes the indentation scope inherits the indentation from the scope
- // .. {
- // // comment
- // }
- case 19 /* CloseBraceToken */:
- case 23 /* CloseBracketToken */:
- case 21 /* CloseParenToken */:
- return indentation + getDelta(container);
- }
- return tokenIndentation !== -1 /* Unknown */ ? tokenIndentation : indentation;
- },
- // if list end token is LessThanToken '>' then its delta should be explicitly suppressed
- // so that LessThanToken as a binary operator can still be indented.
- // foo.then
- // <
- // number,
- // string,
- // >();
- // vs
- // var a = xValue
- // > yValue;
- getIndentationForToken: function (line, kind, container, suppressDelta) {
- return !suppressDelta && shouldAddDelta(line, kind, container) ? indentation + getDelta(container) : indentation;
- },
- getIndentation: function () { return indentation; },
- getDelta: getDelta,
- recomputeIndentation: function (lineAdded, parent) {
- if (formatting.SmartIndenter.shouldIndentChildNode(options, parent, node, sourceFile)) {
- indentation += lineAdded ? options.indentSize : -options.indentSize;
- delta = formatting.SmartIndenter.shouldIndentChildNode(options, node) ? options.indentSize : 0;
- }
- }
- };
- function shouldAddDelta(line, kind, container) {
- switch (kind) {
- // open and close brace, 'else' and 'while' (in do statement) tokens has indentation of the parent
- case 18 /* OpenBraceToken */:
- case 19 /* CloseBraceToken */:
- case 21 /* CloseParenToken */:
- case 87 /* ElseKeyword */:
- case 111 /* WhileKeyword */:
- case 59 /* AtToken */:
- return false;
- case 43 /* SlashToken */:
- case 31 /* GreaterThanToken */:
- switch (container.kind) {
- case 268 /* JsxOpeningElement */:
- case 269 /* JsxClosingElement */:
- case 267 /* JsxSelfClosingElement */:
- return false;
- }
- break;
- case 22 /* OpenBracketToken */:
- case 23 /* CloseBracketToken */:
- if (container.kind !== 186 /* MappedType */) {
- return false;
- }
- break;
- }
- // if token line equals to the line of containing node (this is a first token in the node) - use node indentation
- return nodeStartLine !== line
- // if this token is the first token following the list of decorators, we do not need to indent
- && !(node.decorators && kind === getFirstNonDecoratorTokenOfNode(node));
- }
- function getDelta(child) {
- // Delta value should be zero when the node explicitly prevents indentation of the child node
- return formatting.SmartIndenter.nodeWillIndentChild(options, node, child, sourceFile, /*indentByDefault*/ true) ? delta : 0;
- }
- }
- function processNode(node, contextNode, nodeStartLine, undecoratedNodeStartLine, indentation, delta) {
- if (!ts.rangeOverlapsWithStartEnd(originalRange, node.getStart(sourceFile), node.getEnd())) {
- return;
- }
- var nodeDynamicIndentation = getDynamicIndentation(node, nodeStartLine, indentation, delta);
- // a useful observations when tracking context node
- // /
- // [a]
- // / | \
- // [b] [c] [d]
- // node 'a' is a context node for nodes 'b', 'c', 'd'
- // except for the leftmost leaf token in [b] - in this case context node ('e') is located somewhere above 'a'
- // this rule can be applied recursively to child nodes of 'a'.
- //
- // context node is set to parent node value after processing every child node
- // context node is set to parent of the token after processing every token
- var childContextNode = contextNode;
- // if there are any tokens that logically belong to node and interleave child nodes
- // such tokens will be consumed in processChildNode for the child that follows them
- ts.forEachChild(node, function (child) {
- processChildNode(child, /*inheritedIndentation*/ -1 /* Unknown */, node, nodeDynamicIndentation, nodeStartLine, undecoratedNodeStartLine, /*isListItem*/ false);
- }, function (nodes) {
- processChildNodes(nodes, node, nodeStartLine, nodeDynamicIndentation);
- });
- // proceed any tokens in the node that are located after child nodes
- while (formattingScanner.isOnToken()) {
- var tokenInfo = formattingScanner.readTokenInfo(node);
- if (tokenInfo.token.end > node.end) {
- break;
- }
- if (node.kind === 11 /* JsxText */) {
- // Intentation rules for jsx text are handled by `indentMultilineCommentOrJsxText` inside `processChildNode`; just fastforward past it here
- formattingScanner.advance();
- continue;
- }
- consumeTokenAndAdvanceScanner(tokenInfo, node, nodeDynamicIndentation, node);
- }
- if (!node.parent && formattingScanner.isOnEOF()) {
- var token = formattingScanner.readEOFTokenRange();
- if (token.end <= node.end && previousRange) {
- processPair(token, sourceFile.getLineAndCharacterOfPosition(token.pos).line, node, previousRange, previousRangeStartLine, previousParent, contextNode, nodeDynamicIndentation);
- }
- }
- function processChildNode(child, inheritedIndentation, parent, parentDynamicIndentation, parentStartLine, undecoratedParentStartLine, isListItem, isFirstListItem) {
- var childStartPos = child.getStart(sourceFile);
- var childStartLine = sourceFile.getLineAndCharacterOfPosition(childStartPos).line;
- var undecoratedChildStartLine = childStartLine;
- if (child.decorators) {
- undecoratedChildStartLine = sourceFile.getLineAndCharacterOfPosition(ts.getNonDecoratorTokenPosOfNode(child, sourceFile)).line;
- }
- // if child is a list item - try to get its indentation, only if parent is within the original range.
- var childIndentationAmount = -1 /* Unknown */;
- if (isListItem && ts.rangeContainsRange(originalRange, parent)) {
- childIndentationAmount = tryComputeIndentationForListItem(childStartPos, child.end, parentStartLine, originalRange, inheritedIndentation);
- if (childIndentationAmount !== -1 /* Unknown */) {
- inheritedIndentation = childIndentationAmount;
- }
- }
- // child node is outside the target range - do not dive inside
- if (!ts.rangeOverlapsWithStartEnd(originalRange, child.pos, child.end)) {
- if (child.end < originalRange.pos) {
- formattingScanner.skipToEndOf(child);
- }
- return inheritedIndentation;
- }
- if (child.getFullWidth() === 0) {
- return inheritedIndentation;
- }
- while (formattingScanner.isOnToken()) {
- // proceed any parent tokens that are located prior to child.getStart()
- var tokenInfo = formattingScanner.readTokenInfo(node);
- if (tokenInfo.token.end > childStartPos) {
- // stop when formatting scanner advances past the beginning of the child
- break;
- }
- consumeTokenAndAdvanceScanner(tokenInfo, node, parentDynamicIndentation, node);
- }
- if (!formattingScanner.isOnToken()) {
- return inheritedIndentation;
- }
- // JSX text shouldn't affect indenting
- if (ts.isToken(child) && child.kind !== 11 /* JsxText */) {
- // if child node is a token, it does not impact indentation, proceed it using parent indentation scope rules
- var tokenInfo = formattingScanner.readTokenInfo(child);
- ts.Debug.assert(tokenInfo.token.end === child.end, "Token end is child end");
- consumeTokenAndAdvanceScanner(tokenInfo, node, parentDynamicIndentation, child);
- return inheritedIndentation;
- }
- var effectiveParentStartLine = child.kind === 157 /* Decorator */ ? childStartLine : undecoratedParentStartLine;
- var childIndentation = computeIndentation(child, childStartLine, childIndentationAmount, node, parentDynamicIndentation, effectiveParentStartLine);
- processNode(child, childContextNode, childStartLine, undecoratedChildStartLine, childIndentation.indentation, childIndentation.delta);
- if (child.kind === 11 /* JsxText */) {
- var range = { pos: child.getStart(), end: child.getEnd() };
- if (range.pos !== range.end) { // don't indent zero-width jsx text
- var siblings = parent.getChildren(sourceFile);
- var currentIndex = ts.findIndex(siblings, function (arg) { return arg.pos === child.pos; });
- var previousNode = siblings[currentIndex - 1];
- if (previousNode) {
- // The jsx text needs no indentation whatsoever if it ends on the same line the previous sibling ends on
- if (sourceFile.getLineAndCharacterOfPosition(range.end).line !== sourceFile.getLineAndCharacterOfPosition(previousNode.end).line) {
- // The first line is (already) "indented" if the text starts on the same line as the previous sibling element ends on
- var firstLineIsIndented = sourceFile.getLineAndCharacterOfPosition(range.pos).line === sourceFile.getLineAndCharacterOfPosition(previousNode.end).line;
- indentMultilineCommentOrJsxText(range, childIndentation.indentation, firstLineIsIndented, /*indentFinalLine*/ false, /*jsxStyle*/ true);
- }
- }
- }
- }
- childContextNode = node;
- if (isFirstListItem && parent.kind === 192 /* ArrayLiteralExpression */ && inheritedIndentation === -1 /* Unknown */) {
- inheritedIndentation = childIndentation.indentation;
- }
- return inheritedIndentation;
- }
- function processChildNodes(nodes, parent, parentStartLine, parentDynamicIndentation) {
- ts.Debug.assert(ts.isNodeArray(nodes));
- var listStartToken = getOpenTokenForList(parent, nodes);
- var listDynamicIndentation = parentDynamicIndentation;
- var startLine = parentStartLine;
- if (listStartToken !== 0 /* Unknown */) {
- // introduce a new indentation scope for lists (including list start and end tokens)
- while (formattingScanner.isOnToken()) {
- var tokenInfo = formattingScanner.readTokenInfo(parent);
- if (tokenInfo.token.end > nodes.pos) {
- // stop when formatting scanner moves past the beginning of node list
- break;
- }
- else if (tokenInfo.token.kind === listStartToken) {
- // consume list start token
- startLine = sourceFile.getLineAndCharacterOfPosition(tokenInfo.token.pos).line;
- consumeTokenAndAdvanceScanner(tokenInfo, parent, parentDynamicIndentation, parent);
- var indentationOnListStartToken = void 0;
- if (indentationOnLastIndentedLine !== -1 /* Unknown */) {
- // scanner just processed list start token so consider last indentation as list indentation
- // function foo(): { // last indentation was 0, list item will be indented based on this value
- // foo: number;
- // }: {};
- indentationOnListStartToken = indentationOnLastIndentedLine;
- }
- else {
- var startLinePosition = ts.getLineStartPositionForPosition(tokenInfo.token.pos, sourceFile);
- indentationOnListStartToken = formatting.SmartIndenter.findFirstNonWhitespaceColumn(startLinePosition, tokenInfo.token.pos, sourceFile, options);
- }
- listDynamicIndentation = getDynamicIndentation(parent, parentStartLine, indentationOnListStartToken, options.indentSize); // TODO: GH#18217
- }
- else {
- // consume any tokens that precede the list as child elements of 'node' using its indentation scope
- consumeTokenAndAdvanceScanner(tokenInfo, parent, parentDynamicIndentation, parent);
- }
- }
- }
- var inheritedIndentation = -1 /* Unknown */;
- for (var i = 0; i < nodes.length; i++) {
- var child = nodes[i];
- inheritedIndentation = processChildNode(child, inheritedIndentation, node, listDynamicIndentation, startLine, startLine, /*isListItem*/ true, /*isFirstListItem*/ i === 0);
- }
- var listEndToken = getCloseTokenForOpenToken(listStartToken);
- if (listEndToken !== 0 /* Unknown */ && formattingScanner.isOnToken()) {
- var tokenInfo = formattingScanner.readTokenInfo(parent);
- if (tokenInfo.token.kind === 27 /* CommaToken */ && ts.isCallLikeExpression(parent)) {
- var commaTokenLine = sourceFile.getLineAndCharacterOfPosition(tokenInfo.token.pos).line;
- if (startLine !== commaTokenLine) {
- formattingScanner.advance();
- tokenInfo = formattingScanner.isOnToken() ? formattingScanner.readTokenInfo(parent) : undefined;
- }
- }
- // consume the list end token only if it is still belong to the parent
- // there might be the case when current token matches end token but does not considered as one
- // function (x: function) <--
- // without this check close paren will be interpreted as list end token for function expression which is wrong
- if (tokenInfo && tokenInfo.token.kind === listEndToken && ts.rangeContainsRange(parent, tokenInfo.token)) {
- // consume list end token
- consumeTokenAndAdvanceScanner(tokenInfo, parent, listDynamicIndentation, parent, /*isListEndToken*/ true);
- }
- }
- }
- function consumeTokenAndAdvanceScanner(currentTokenInfo, parent, dynamicIndentation, container, isListEndToken) {
- ts.Debug.assert(ts.rangeContainsRange(parent, currentTokenInfo.token));
- var lastTriviaWasNewLine = formattingScanner.lastTrailingTriviaWasNewLine();
- var indentToken = false;
- if (currentTokenInfo.leadingTrivia) {
- processTrivia(currentTokenInfo.leadingTrivia, parent, childContextNode, dynamicIndentation);
- }
- var lineAction = 0 /* None */;
- var isTokenInRange = ts.rangeContainsRange(originalRange, currentTokenInfo.token);
- var tokenStart = sourceFile.getLineAndCharacterOfPosition(currentTokenInfo.token.pos);
- if (isTokenInRange) {
- var rangeHasError = rangeContainsError(currentTokenInfo.token);
- // save previousRange since processRange will overwrite this value with current one
- var savePreviousRange = previousRange;
- lineAction = processRange(currentTokenInfo.token, tokenStart, parent, childContextNode, dynamicIndentation);
- // do not indent comments\token if token range overlaps with some error
- if (!rangeHasError) {
- if (lineAction === 0 /* None */) {
- // indent token only if end line of previous range does not match start line of the token
- var prevEndLine = savePreviousRange && sourceFile.getLineAndCharacterOfPosition(savePreviousRange.end).line;
- indentToken = lastTriviaWasNewLine && tokenStart.line !== prevEndLine;
- }
- else {
- indentToken = lineAction === 1 /* LineAdded */;
- }
- }
- }
- if (currentTokenInfo.trailingTrivia) {
- processTrivia(currentTokenInfo.trailingTrivia, parent, childContextNode, dynamicIndentation);
- }
- if (indentToken) {
- var tokenIndentation = (isTokenInRange && !rangeContainsError(currentTokenInfo.token)) ?
- dynamicIndentation.getIndentationForToken(tokenStart.line, currentTokenInfo.token.kind, container, !!isListEndToken) :
- -1 /* Unknown */;
- var indentNextTokenOrTrivia = true;
- if (currentTokenInfo.leadingTrivia) {
- var commentIndentation_1 = dynamicIndentation.getIndentationForComment(currentTokenInfo.token.kind, tokenIndentation, container);
- indentNextTokenOrTrivia = indentTriviaItems(currentTokenInfo.leadingTrivia, commentIndentation_1, indentNextTokenOrTrivia, function (item) { return insertIndentation(item.pos, commentIndentation_1, /*lineAdded*/ false); });
- }
- // indent token only if is it is in target range and does not overlap with any error ranges
- if (tokenIndentation !== -1 /* Unknown */ && indentNextTokenOrTrivia) {
- insertIndentation(currentTokenInfo.token.pos, tokenIndentation, lineAction === 1 /* LineAdded */);
- lastIndentedLine = tokenStart.line;
- indentationOnLastIndentedLine = tokenIndentation;
- }
- }
- formattingScanner.advance();
- childContextNode = parent;
- }
- }
- function indentTriviaItems(trivia, commentIndentation, indentNextTokenOrTrivia, indentSingleLine) {
- for (var _i = 0, trivia_1 = trivia; _i < trivia_1.length; _i++) {
- var triviaItem = trivia_1[_i];
- var triviaInRange = ts.rangeContainsRange(originalRange, triviaItem);
- switch (triviaItem.kind) {
- case 3 /* MultiLineCommentTrivia */:
- if (triviaInRange) {
- indentMultilineCommentOrJsxText(triviaItem, commentIndentation, /*firstLineIsIndented*/ !indentNextTokenOrTrivia);
- }
- indentNextTokenOrTrivia = false;
- break;
- case 2 /* SingleLineCommentTrivia */:
- if (indentNextTokenOrTrivia && triviaInRange) {
- indentSingleLine(triviaItem);
- }
- indentNextTokenOrTrivia = false;
- break;
- case 4 /* NewLineTrivia */:
- indentNextTokenOrTrivia = true;
- break;
- }
- }
- return indentNextTokenOrTrivia;
- }
- function processTrivia(trivia, parent, contextNode, dynamicIndentation) {
- for (var _i = 0, trivia_2 = trivia; _i < trivia_2.length; _i++) {
- var triviaItem = trivia_2[_i];
- if (ts.isComment(triviaItem.kind) && ts.rangeContainsRange(originalRange, triviaItem)) {
- var triviaItemStart = sourceFile.getLineAndCharacterOfPosition(triviaItem.pos);
- processRange(triviaItem, triviaItemStart, parent, contextNode, dynamicIndentation);
- }
- }
- }
- function processRange(range, rangeStart, parent, contextNode, dynamicIndentation) {
- var rangeHasError = rangeContainsError(range);
- var lineAction = 0 /* None */;
- if (!rangeHasError) {
- if (!previousRange) {
- // trim whitespaces starting from the beginning of the span up to the current line
- var originalStart = sourceFile.getLineAndCharacterOfPosition(originalRange.pos);
- trimTrailingWhitespacesForLines(originalStart.line, rangeStart.line);
- }
- else {
- lineAction =
- processPair(range, rangeStart.line, parent, previousRange, previousRangeStartLine, previousParent, contextNode, dynamicIndentation);
- }
- }
- previousRange = range;
- previousParent = parent;
- previousRangeStartLine = rangeStart.line;
- return lineAction;
- }
- function processPair(currentItem, currentStartLine, currentParent, previousItem, previousStartLine, previousParent, contextNode, dynamicIndentation) {
- formattingContext.updateContext(previousItem, previousParent, currentItem, currentParent, contextNode);
- var rules = getRules(formattingContext);
- var trimTrailingWhitespaces = formattingContext.options.trimTrailingWhitespace !== false;
- var lineAction = 0 /* None */;
- if (rules) {
- // Apply rules in reverse order so that higher priority rules (which are first in the array)
- // win in a conflict with lower priority rules.
- ts.forEachRight(rules, function (rule) {
- lineAction = applyRuleEdits(rule, previousItem, previousStartLine, currentItem, currentStartLine);
- switch (lineAction) {
- case 2 /* LineRemoved */:
- // Handle the case where the next line is moved to be the end of this line.
- // In this case we don't indent the next line in the next pass.
- if (currentParent.getStart(sourceFile) === currentItem.pos) {
- dynamicIndentation.recomputeIndentation(/*lineAddedByFormatting*/ false, contextNode);
- }
- break;
- case 1 /* LineAdded */:
- // Handle the case where token2 is moved to the new line.
- // In this case we indent token2 in the next pass but we set
- // sameLineIndent flag to notify the indenter that the indentation is within the line.
- if (currentParent.getStart(sourceFile) === currentItem.pos) {
- dynamicIndentation.recomputeIndentation(/*lineAddedByFormatting*/ true, contextNode);
- }
- break;
- default:
- ts.Debug.assert(lineAction === 0 /* None */);
- }
- // We need to trim trailing whitespace between the tokens if they were on different lines, and no rule was applied to put them on the same line
- trimTrailingWhitespaces = trimTrailingWhitespaces && !(rule.action & 16 /* DeleteSpace */) && rule.flags !== 1 /* CanDeleteNewLines */;
- });
- }
- else {
- trimTrailingWhitespaces = trimTrailingWhitespaces && currentItem.kind !== 1 /* EndOfFileToken */;
- }
- if (currentStartLine !== previousStartLine && trimTrailingWhitespaces) {
- // We need to trim trailing whitespace between the tokens if they were on different lines, and no rule was applied to put them on the same line
- trimTrailingWhitespacesForLines(previousStartLine, currentStartLine, previousItem);
- }
- return lineAction;
- }
- function insertIndentation(pos, indentation, lineAdded) {
- var indentationString = getIndentationString(indentation, options);
- if (lineAdded) {
- // new line is added before the token by the formatting rules
- // insert indentation string at the very beginning of the token
- recordReplace(pos, 0, indentationString);
- }
- else {
- var tokenStart = sourceFile.getLineAndCharacterOfPosition(pos);
- var startLinePosition = ts.getStartPositionOfLine(tokenStart.line, sourceFile);
- if (indentation !== characterToColumn(startLinePosition, tokenStart.character) || indentationIsDifferent(indentationString, startLinePosition)) {
- recordReplace(startLinePosition, tokenStart.character, indentationString);
- }
- }
- }
- function characterToColumn(startLinePosition, characterInLine) {
- var column = 0;
- for (var i = 0; i < characterInLine; i++) {
- if (sourceFile.text.charCodeAt(startLinePosition + i) === 9 /* tab */) {
- column += options.tabSize - column % options.tabSize;
- }
- else {
- column++;
- }
- }
- return column;
- }
- function indentationIsDifferent(indentationString, startLinePosition) {
- return indentationString !== sourceFile.text.substr(startLinePosition, indentationString.length);
- }
- function indentMultilineCommentOrJsxText(commentRange, indentation, firstLineIsIndented, indentFinalLine, jsxTextStyleIndent) {
- if (indentFinalLine === void 0) { indentFinalLine = true; }
- // split comment in lines
- var startLine = sourceFile.getLineAndCharacterOfPosition(commentRange.pos).line;
- var endLine = sourceFile.getLineAndCharacterOfPosition(commentRange.end).line;
- if (startLine === endLine) {
- if (!firstLineIsIndented) {
- // treat as single line comment
- insertIndentation(commentRange.pos, indentation, /*lineAdded*/ false);
- }
- return;
- }
- var parts = [];
- var startPos = commentRange.pos;
- for (var line = startLine; line < endLine; line++) {
- var endOfLine = ts.getEndLinePosition(line, sourceFile);
- parts.push({ pos: startPos, end: endOfLine });
- startPos = ts.getStartPositionOfLine(line + 1, sourceFile);
- }
- if (indentFinalLine) {
- parts.push({ pos: startPos, end: commentRange.end });
- }
- if (parts.length === 0)
- return;
- var startLinePos = ts.getStartPositionOfLine(startLine, sourceFile);
- var nonWhitespaceColumnInFirstPart = formatting.SmartIndenter.findFirstNonWhitespaceCharacterAndColumn(startLinePos, parts[0].pos, sourceFile, options);
- if (indentation === nonWhitespaceColumnInFirstPart.column && !jsxTextStyleIndent) {
- return;
- }
- var startIndex = 0;
- if (firstLineIsIndented) {
- startIndex = 1;
- startLine++;
- }
- // shift all parts on the delta size
- var delta = indentation - nonWhitespaceColumnInFirstPart.column;
- for (var i = startIndex; i < parts.length; i++, startLine++) {
- var startLinePos_1 = ts.getStartPositionOfLine(startLine, sourceFile);
- var nonWhitespaceCharacterAndColumn = i === 0
- ? nonWhitespaceColumnInFirstPart
- : formatting.SmartIndenter.findFirstNonWhitespaceCharacterAndColumn(parts[i].pos, parts[i].end, sourceFile, options);
- if (jsxTextStyleIndent) {
- // skip adding indentation to blank lines
- if (ts.isLineBreak(sourceFile.text.charCodeAt(ts.getStartPositionOfLine(startLine, sourceFile))))
- continue;
- // reset delta on every line
- delta = indentation - nonWhitespaceCharacterAndColumn.column;
- }
- var newIndentation = nonWhitespaceCharacterAndColumn.column + delta;
- if (newIndentation > 0) {
- var indentationString = getIndentationString(newIndentation, options);
- recordReplace(startLinePos_1, nonWhitespaceCharacterAndColumn.character, indentationString);
- }
- else {
- recordDelete(startLinePos_1, nonWhitespaceCharacterAndColumn.character);
- }
- }
- }
- function trimTrailingWhitespacesForLines(line1, line2, range) {
- for (var line = line1; line < line2; line++) {
- var lineStartPosition = ts.getStartPositionOfLine(line, sourceFile);
- var lineEndPosition = ts.getEndLinePosition(line, sourceFile);
- // do not trim whitespaces in comments or template expression
- if (range && (ts.isComment(range.kind) || ts.isStringOrRegularExpressionOrTemplateLiteral(range.kind)) && range.pos <= lineEndPosition && range.end > lineEndPosition) {
- continue;
- }
- var whitespaceStart = getTrailingWhitespaceStartPosition(lineStartPosition, lineEndPosition);
- if (whitespaceStart !== -1) {
- ts.Debug.assert(whitespaceStart === lineStartPosition || !ts.isWhiteSpaceSingleLine(sourceFile.text.charCodeAt(whitespaceStart - 1)));
- recordDelete(whitespaceStart, lineEndPosition + 1 - whitespaceStart);
- }
- }
- }
- /**
- * @param start The position of the first character in range
- * @param end The position of the last character in range
- */
- function getTrailingWhitespaceStartPosition(start, end) {
- var pos = end;
- while (pos >= start && ts.isWhiteSpaceSingleLine(sourceFile.text.charCodeAt(pos))) {
- pos--;
- }
- if (pos !== end) {
- return pos + 1;
- }
- return -1;
- }
- /**
- * Trimming will be done for lines after the previous range
- */
- function trimTrailingWhitespacesForRemainingRange() {
- var startPosition = previousRange ? previousRange.end : originalRange.pos;
- var startLine = sourceFile.getLineAndCharacterOfPosition(startPosition).line;
- var endLine = sourceFile.getLineAndCharacterOfPosition(originalRange.end).line;
- trimTrailingWhitespacesForLines(startLine, endLine + 1, previousRange);
- }
- function recordDelete(start, len) {
- if (len) {
- edits.push(ts.createTextChangeFromStartLength(start, len, ""));
- }
- }
- function recordReplace(start, len, newText) {
- if (len || newText) {
- edits.push(ts.createTextChangeFromStartLength(start, len, newText));
- }
- }
- function recordInsert(start, text) {
- if (text) {
- edits.push(ts.createTextChangeFromStartLength(start, 0, text));
- }
- }
- function applyRuleEdits(rule, previousRange, previousStartLine, currentRange, currentStartLine) {
- var onLaterLine = currentStartLine !== previousStartLine;
- switch (rule.action) {
- case 1 /* StopProcessingSpaceActions */:
- // no action required
- return 0 /* None */;
- case 16 /* DeleteSpace */:
- if (previousRange.end !== currentRange.pos) {
- // delete characters starting from t1.end up to t2.pos exclusive
- recordDelete(previousRange.end, currentRange.pos - previousRange.end);
- return onLaterLine ? 2 /* LineRemoved */ : 0 /* None */;
- }
- break;
- case 32 /* DeleteToken */:
- recordDelete(previousRange.pos, previousRange.end - previousRange.pos);
- break;
- case 8 /* InsertNewLine */:
- // exit early if we on different lines and rule cannot change number of newlines
- // if line1 and line2 are on subsequent lines then no edits are required - ok to exit
- // if line1 and line2 are separated with more than one newline - ok to exit since we cannot delete extra new lines
- if (rule.flags !== 1 /* CanDeleteNewLines */ && previousStartLine !== currentStartLine) {
- return 0 /* None */;
- }
- // edit should not be applied if we have one line feed between elements
- var lineDelta = currentStartLine - previousStartLine;
- if (lineDelta !== 1) {
- recordReplace(previousRange.end, currentRange.pos - previousRange.end, ts.getNewLineOrDefaultFromHost(host, options));
- return onLaterLine ? 0 /* None */ : 1 /* LineAdded */;
- }
- break;
- case 4 /* InsertSpace */:
- // exit early if we on different lines and rule cannot change number of newlines
- if (rule.flags !== 1 /* CanDeleteNewLines */ && previousStartLine !== currentStartLine) {
- return 0 /* None */;
- }
- var posDelta = currentRange.pos - previousRange.end;
- if (posDelta !== 1 || sourceFile.text.charCodeAt(previousRange.end) !== 32 /* space */) {
- recordReplace(previousRange.end, currentRange.pos - previousRange.end, " ");
- return onLaterLine ? 2 /* LineRemoved */ : 0 /* None */;
- }
- break;
- case 64 /* InsertTrailingSemicolon */:
- recordInsert(previousRange.end, ";");
- }
- return 0 /* None */;
- }
- }
- var LineAction;
- (function (LineAction) {
- LineAction[LineAction["None"] = 0] = "None";
- LineAction[LineAction["LineAdded"] = 1] = "LineAdded";
- LineAction[LineAction["LineRemoved"] = 2] = "LineRemoved";
- })(LineAction || (LineAction = {}));
- /**
- * @param precedingToken pass `null` if preceding token was already computed and result was `undefined`.
- */
- function getRangeOfEnclosingComment(sourceFile, position, precedingToken, tokenAtPosition) {
- if (tokenAtPosition === void 0) { tokenAtPosition = ts.getTokenAtPosition(sourceFile, position); }
- var jsdoc = ts.findAncestor(tokenAtPosition, ts.isJSDoc);
- if (jsdoc)
- tokenAtPosition = jsdoc.parent;
- var tokenStart = tokenAtPosition.getStart(sourceFile);
- if (tokenStart <= position && position < tokenAtPosition.getEnd()) {
- return undefined;
- }
- // eslint-disable-next-line no-null/no-null
- precedingToken = precedingToken === null ? undefined : precedingToken === undefined ? ts.findPrecedingToken(position, sourceFile) : precedingToken;
- // Between two consecutive tokens, all comments are either trailing on the former
- // or leading on the latter (and none are in both lists).
- var trailingRangesOfPreviousToken = precedingToken && ts.getTrailingCommentRanges(sourceFile.text, precedingToken.end);
- var leadingCommentRangesOfNextToken = ts.getLeadingCommentRangesOfNode(tokenAtPosition, sourceFile);
- var commentRanges = ts.concatenate(trailingRangesOfPreviousToken, leadingCommentRangesOfNextToken);
- return commentRanges && ts.find(commentRanges, function (range) { return ts.rangeContainsPositionExclusive(range, position) ||
- // The end marker of a single-line comment does not include the newline character.
- // With caret at `^`, in the following case, we are inside a comment (^ denotes the cursor position):
- //
- // // asdf ^\n
- //
- // But for closed multi-line comments, we don't want to be inside the comment in the following case:
- //
- // /* asdf */^
- //
- // However, unterminated multi-line comments *do* contain their end.
- //
- // Internally, we represent the end of the comment at the newline and closing '/', respectively.
- //
- position === range.end && (range.kind === 2 /* SingleLineCommentTrivia */ || position === sourceFile.getFullWidth()); });
- }
- formatting.getRangeOfEnclosingComment = getRangeOfEnclosingComment;
- function getOpenTokenForList(node, list) {
- switch (node.kind) {
- case 162 /* Constructor */:
- case 244 /* FunctionDeclaration */:
- case 201 /* FunctionExpression */:
- case 161 /* MethodDeclaration */:
- case 160 /* MethodSignature */:
- case 202 /* ArrowFunction */:
- if (node.typeParameters === list) {
- return 29 /* LessThanToken */;
- }
- else if (node.parameters === list) {
- return 20 /* OpenParenToken */;
- }
- break;
- case 196 /* CallExpression */:
- case 197 /* NewExpression */:
- if (node.typeArguments === list) {
- return 29 /* LessThanToken */;
- }
- else if (node.arguments === list) {
- return 20 /* OpenParenToken */;
- }
- break;
- case 169 /* TypeReference */:
- if (node.typeArguments === list) {
- return 29 /* LessThanToken */;
- }
- break;
- case 173 /* TypeLiteral */:
- return 18 /* OpenBraceToken */;
- }
- return 0 /* Unknown */;
- }
- function getCloseTokenForOpenToken(kind) {
- switch (kind) {
- case 20 /* OpenParenToken */:
- return 21 /* CloseParenToken */;
- case 29 /* LessThanToken */:
- return 31 /* GreaterThanToken */;
- case 18 /* OpenBraceToken */:
- return 19 /* CloseBraceToken */;
- }
- return 0 /* Unknown */;
- }
- var internedSizes;
- var internedTabsIndentation;
- var internedSpacesIndentation;
- function getIndentationString(indentation, options) {
- // reset interned strings if FormatCodeOptions were changed
- var resetInternedStrings = !internedSizes || (internedSizes.tabSize !== options.tabSize || internedSizes.indentSize !== options.indentSize);
- if (resetInternedStrings) {
- internedSizes = { tabSize: options.tabSize, indentSize: options.indentSize };
- internedTabsIndentation = internedSpacesIndentation = undefined;
- }
- if (!options.convertTabsToSpaces) {
- var tabs = Math.floor(indentation / options.tabSize);
- var spaces = indentation - tabs * options.tabSize;
- var tabString = void 0;
- if (!internedTabsIndentation) {
- internedTabsIndentation = [];
- }
- if (internedTabsIndentation[tabs] === undefined) {
- internedTabsIndentation[tabs] = tabString = ts.repeatString("\t", tabs);
- }
- else {
- tabString = internedTabsIndentation[tabs];
- }
- return spaces ? tabString + ts.repeatString(" ", spaces) : tabString;
- }
- else {
- var spacesString = void 0;
- var quotient = Math.floor(indentation / options.indentSize);
- var remainder = indentation % options.indentSize;
- if (!internedSpacesIndentation) {
- internedSpacesIndentation = [];
- }
- if (internedSpacesIndentation[quotient] === undefined) {
- spacesString = ts.repeatString(" ", options.indentSize * quotient);
- internedSpacesIndentation[quotient] = spacesString;
- }
- else {
- spacesString = internedSpacesIndentation[quotient];
- }
- return remainder ? spacesString + ts.repeatString(" ", remainder) : spacesString;
- }
- }
- formatting.getIndentationString = getIndentationString;
- })(formatting = ts.formatting || (ts.formatting = {}));
-})(ts || (ts = {}));
-/* @internal */
-var ts;
-(function (ts) {
- var formatting;
- (function (formatting) {
- var SmartIndenter;
- (function (SmartIndenter) {
- var Value;
- (function (Value) {
- Value[Value["Unknown"] = -1] = "Unknown";
- })(Value || (Value = {}));
- /**
- * @param assumeNewLineBeforeCloseBrace
- * `false` when called on text from a real source file.
- * `true` when we need to assume `position` is on a newline.
- *
- * This is useful for codefixes. Consider
- * ```
- * function f() {
- * |}
- * ```
- * with `position` at `|`.
- *
- * When inserting some text after an open brace, we would like to get indentation as if a newline was already there.
- * By default indentation at `position` will be 0 so 'assumeNewLineBeforeCloseBrace' overrides this behavior.
- */
- function getIndentation(position, sourceFile, options, assumeNewLineBeforeCloseBrace) {
- if (assumeNewLineBeforeCloseBrace === void 0) { assumeNewLineBeforeCloseBrace = false; }
- if (position > sourceFile.text.length) {
- return getBaseIndentation(options); // past EOF
- }
- // no indentation when the indent style is set to none,
- // so we can return fast
- if (options.indentStyle === ts.IndentStyle.None) {
- return 0;
- }
- var precedingToken = ts.findPrecedingToken(position, sourceFile, /*startNode*/ undefined, /*excludeJsdoc*/ true);
- // eslint-disable-next-line no-null/no-null
- var enclosingCommentRange = formatting.getRangeOfEnclosingComment(sourceFile, position, precedingToken || null);
- if (enclosingCommentRange && enclosingCommentRange.kind === 3 /* MultiLineCommentTrivia */) {
- return getCommentIndent(sourceFile, position, options, enclosingCommentRange);
- }
- if (!precedingToken) {
- return getBaseIndentation(options);
- }
- // no indentation in string \regex\template literals
- var precedingTokenIsLiteral = ts.isStringOrRegularExpressionOrTemplateLiteral(precedingToken.kind);
- if (precedingTokenIsLiteral && precedingToken.getStart(sourceFile) <= position && position < precedingToken.end) {
- return 0;
- }
- var lineAtPosition = sourceFile.getLineAndCharacterOfPosition(position).line;
- // indentation is first non-whitespace character in a previous line
- // for block indentation, we should look for a line which contains something that's not
- // whitespace.
- if (options.indentStyle === ts.IndentStyle.Block) {
- return getBlockIndent(sourceFile, position, options);
- }
- if (precedingToken.kind === 27 /* CommaToken */ && precedingToken.parent.kind !== 209 /* BinaryExpression */) {
- // previous token is comma that separates items in list - find the previous item and try to derive indentation from it
- var actualIndentation = getActualIndentationForListItemBeforeComma(precedingToken, sourceFile, options);
- if (actualIndentation !== -1 /* Unknown */) {
- return actualIndentation;
- }
- }
- var containerList = getListByPosition(position, precedingToken.parent, sourceFile);
- // use list position if the preceding token is before any list items
- if (containerList && !ts.rangeContainsRange(containerList, precedingToken)) {
- return getActualIndentationForListStartLine(containerList, sourceFile, options) + options.indentSize; // TODO: GH#18217
- }
- return getSmartIndent(sourceFile, position, precedingToken, lineAtPosition, assumeNewLineBeforeCloseBrace, options);
- }
- SmartIndenter.getIndentation = getIndentation;
- function getCommentIndent(sourceFile, position, options, enclosingCommentRange) {
- var previousLine = ts.getLineAndCharacterOfPosition(sourceFile, position).line - 1;
- var commentStartLine = ts.getLineAndCharacterOfPosition(sourceFile, enclosingCommentRange.pos).line;
- ts.Debug.assert(commentStartLine >= 0);
- if (previousLine <= commentStartLine) {
- return findFirstNonWhitespaceColumn(ts.getStartPositionOfLine(commentStartLine, sourceFile), position, sourceFile, options);
- }
- var startPositionOfLine = ts.getStartPositionOfLine(previousLine, sourceFile);
- var _a = findFirstNonWhitespaceCharacterAndColumn(startPositionOfLine, position, sourceFile, options), column = _a.column, character = _a.character;
- if (column === 0) {
- return column;
- }
- var firstNonWhitespaceCharacterCode = sourceFile.text.charCodeAt(startPositionOfLine + character);
- return firstNonWhitespaceCharacterCode === 42 /* asterisk */ ? column - 1 : column;
- }
- function getBlockIndent(sourceFile, position, options) {
- // move backwards until we find a line with a non-whitespace character,
- // then find the first non-whitespace character for that line.
- var current = position;
- while (current > 0) {
- var char = sourceFile.text.charCodeAt(current);
- if (!ts.isWhiteSpaceLike(char)) {
- break;
- }
- current--;
- }
- var lineStart = ts.getLineStartPositionForPosition(current, sourceFile);
- return findFirstNonWhitespaceColumn(lineStart, current, sourceFile, options);
- }
- function getSmartIndent(sourceFile, position, precedingToken, lineAtPosition, assumeNewLineBeforeCloseBrace, options) {
- // try to find node that can contribute to indentation and includes 'position' starting from 'precedingToken'
- // if such node is found - compute initial indentation for 'position' inside this node
- var previous;
- var current = precedingToken;
- while (current) {
- if (ts.positionBelongsToNode(current, position, sourceFile) && shouldIndentChildNode(options, current, previous, sourceFile, /*isNextChild*/ true)) {
- var currentStart = getStartLineAndCharacterForNode(current, sourceFile);
- var nextTokenKind = nextTokenIsCurlyBraceOnSameLineAsCursor(precedingToken, current, lineAtPosition, sourceFile);
- var indentationDelta = nextTokenKind !== 0 /* Unknown */
- // handle cases when codefix is about to be inserted before the close brace
- ? assumeNewLineBeforeCloseBrace && nextTokenKind === 2 /* CloseBrace */ ? options.indentSize : 0
- : lineAtPosition !== currentStart.line ? options.indentSize : 0;
- return getIndentationForNodeWorker(current, currentStart, /*ignoreActualIndentationRange*/ undefined, indentationDelta, sourceFile, /*isNextChild*/ true, options); // TODO: GH#18217
- }
- // check if current node is a list item - if yes, take indentation from it
- // do not consider parent-child line sharing yet:
- // function foo(a
- // | preceding node 'a' does share line with its parent but indentation is expected
- var actualIndentation = getActualIndentationForListItem(current, sourceFile, options, /*listIndentsChild*/ true);
- if (actualIndentation !== -1 /* Unknown */) {
- return actualIndentation;
- }
- previous = current;
- current = current.parent;
- }
- // no parent was found - return the base indentation of the SourceFile
- return getBaseIndentation(options);
- }
- function getIndentationForNode(n, ignoreActualIndentationRange, sourceFile, options) {
- var start = sourceFile.getLineAndCharacterOfPosition(n.getStart(sourceFile));
- return getIndentationForNodeWorker(n, start, ignoreActualIndentationRange, /*indentationDelta*/ 0, sourceFile, /*isNextChild*/ false, options);
- }
- SmartIndenter.getIndentationForNode = getIndentationForNode;
- function getBaseIndentation(options) {
- return options.baseIndentSize || 0;
- }
- SmartIndenter.getBaseIndentation = getBaseIndentation;
- function getIndentationForNodeWorker(current, currentStart, ignoreActualIndentationRange, indentationDelta, sourceFile, isNextChild, options) {
- var parent = current.parent;
- // Walk up the tree and collect indentation for parent-child node pairs. Indentation is not added if
- // * parent and child nodes start on the same line, or
- // * parent is an IfStatement and child starts on the same line as an 'else clause'.
- while (parent) {
- var useActualIndentation = true;
- if (ignoreActualIndentationRange) {
- var start = current.getStart(sourceFile);
- useActualIndentation = start < ignoreActualIndentationRange.pos || start > ignoreActualIndentationRange.end;
- }
- var containingListOrParentStart = getContainingListOrParentStart(parent, current, sourceFile);
- var parentAndChildShareLine = containingListOrParentStart.line === currentStart.line ||
- childStartsOnTheSameLineWithElseInIfStatement(parent, current, currentStart.line, sourceFile);
- if (useActualIndentation) {
- // check if current node is a list item - if yes, take indentation from it
- var actualIndentation = getActualIndentationForListItem(current, sourceFile, options, !parentAndChildShareLine);
- if (actualIndentation !== -1 /* Unknown */) {
- return actualIndentation + indentationDelta;
- }
- // try to fetch actual indentation for current node from source text
- actualIndentation = getActualIndentationForNode(current, parent, currentStart, parentAndChildShareLine, sourceFile, options);
- if (actualIndentation !== -1 /* Unknown */) {
- return actualIndentation + indentationDelta;
- }
- }
- // increase indentation if parent node wants its content to be indented and parent and child nodes don't start on the same line
- if (shouldIndentChildNode(options, parent, current, sourceFile, isNextChild) && !parentAndChildShareLine) {
- indentationDelta += options.indentSize;
- }
- // In our AST, a call argument's `parent` is the call-expression, not the argument list.
- // We would like to increase indentation based on the relationship between an argument and its argument-list,
- // so we spoof the starting position of the (parent) call-expression to match the (non-parent) argument-list.
- // But, the spoofed start-value could then cause a problem when comparing the start position of the call-expression
- // to *its* parent (in the case of an iife, an expression statement), adding an extra level of indentation.
- //
- // Instead, when at an argument, we unspoof the starting position of the enclosing call expression
- // *after* applying indentation for the argument.
- var useTrueStart = isArgumentAndStartLineOverlapsExpressionBeingCalled(parent, current, currentStart.line, sourceFile);
- current = parent;
- parent = current.parent;
- currentStart = useTrueStart ? sourceFile.getLineAndCharacterOfPosition(current.getStart(sourceFile)) : containingListOrParentStart;
- }
- return indentationDelta + getBaseIndentation(options);
- }
- function getContainingListOrParentStart(parent, child, sourceFile) {
- var containingList = getContainingList(child, sourceFile);
- var startPos = containingList ? containingList.pos : parent.getStart(sourceFile);
- return sourceFile.getLineAndCharacterOfPosition(startPos);
- }
- /*
- * Function returns Value.Unknown if indentation cannot be determined
- */
- function getActualIndentationForListItemBeforeComma(commaToken, sourceFile, options) {
- // previous token is comma that separates items in list - find the previous item and try to derive indentation from it
- var commaItemInfo = ts.findListItemInfo(commaToken);
- if (commaItemInfo && commaItemInfo.listItemIndex > 0) {
- return deriveActualIndentationFromList(commaItemInfo.list.getChildren(), commaItemInfo.listItemIndex - 1, sourceFile, options);
- }
- else {
- // handle broken code gracefully
- return -1 /* Unknown */;
- }
- }
- /*
- * Function returns Value.Unknown if actual indentation for node should not be used (i.e because node is nested expression)
- */
- function getActualIndentationForNode(current, parent, currentLineAndChar, parentAndChildShareLine, sourceFile, options) {
- // actual indentation is used for statements\declarations if one of cases below is true:
- // - parent is SourceFile - by default immediate children of SourceFile are not indented except when user indents them manually
- // - parent and child are not on the same line
- var useActualIndentation = (ts.isDeclaration(current) || ts.isStatementButNotDeclaration(current)) &&
- (parent.kind === 290 /* SourceFile */ || !parentAndChildShareLine);
- if (!useActualIndentation) {
- return -1 /* Unknown */;
- }
- return findColumnForFirstNonWhitespaceCharacterInLine(currentLineAndChar, sourceFile, options);
- }
- var NextTokenKind;
- (function (NextTokenKind) {
- NextTokenKind[NextTokenKind["Unknown"] = 0] = "Unknown";
- NextTokenKind[NextTokenKind["OpenBrace"] = 1] = "OpenBrace";
- NextTokenKind[NextTokenKind["CloseBrace"] = 2] = "CloseBrace";
- })(NextTokenKind || (NextTokenKind = {}));
- function nextTokenIsCurlyBraceOnSameLineAsCursor(precedingToken, current, lineAtPosition, sourceFile) {
- var nextToken = ts.findNextToken(precedingToken, current, sourceFile);
- if (!nextToken) {
- return 0 /* Unknown */;
- }
- if (nextToken.kind === 18 /* OpenBraceToken */) {
- // open braces are always indented at the parent level
- return 1 /* OpenBrace */;
- }
- else if (nextToken.kind === 19 /* CloseBraceToken */) {
- // close braces are indented at the parent level if they are located on the same line with cursor
- // this means that if new line will be added at $ position, this case will be indented
- // class A {
- // $
- // }
- /// and this one - not
- // class A {
- // $}
- var nextTokenStartLine = getStartLineAndCharacterForNode(nextToken, sourceFile).line;
- return lineAtPosition === nextTokenStartLine ? 2 /* CloseBrace */ : 0 /* Unknown */;
- }
- return 0 /* Unknown */;
- }
- function getStartLineAndCharacterForNode(n, sourceFile) {
- return sourceFile.getLineAndCharacterOfPosition(n.getStart(sourceFile));
- }
- function isArgumentAndStartLineOverlapsExpressionBeingCalled(parent, child, childStartLine, sourceFile) {
- if (!(ts.isCallExpression(parent) && ts.contains(parent.arguments, child))) {
- return false;
- }
- var expressionOfCallExpressionEnd = parent.expression.getEnd();
- var expressionOfCallExpressionEndLine = ts.getLineAndCharacterOfPosition(sourceFile, expressionOfCallExpressionEnd).line;
- return expressionOfCallExpressionEndLine === childStartLine;
- }
- SmartIndenter.isArgumentAndStartLineOverlapsExpressionBeingCalled = isArgumentAndStartLineOverlapsExpressionBeingCalled;
- function childStartsOnTheSameLineWithElseInIfStatement(parent, child, childStartLine, sourceFile) {
- if (parent.kind === 227 /* IfStatement */ && parent.elseStatement === child) {
- var elseKeyword = ts.findChildOfKind(parent, 87 /* ElseKeyword */, sourceFile);
- ts.Debug.assert(elseKeyword !== undefined);
- var elseKeywordStartLine = getStartLineAndCharacterForNode(elseKeyword, sourceFile).line;
- return elseKeywordStartLine === childStartLine;
- }
- return false;
- }
- SmartIndenter.childStartsOnTheSameLineWithElseInIfStatement = childStartsOnTheSameLineWithElseInIfStatement;
- function argumentStartsOnSameLineAsPreviousArgument(parent, child, childStartLine, sourceFile) {
- if (ts.isCallOrNewExpression(parent)) {
- if (!parent.arguments)
- return false;
- var currentNode = ts.find(parent.arguments, function (arg) { return arg.pos === child.pos; });
- // If it's not one of the arguments, don't look past this
- if (!currentNode)
- return false;
- var currentIndex = parent.arguments.indexOf(currentNode);
- if (currentIndex === 0)
- return false; // Can't look at previous node if first
- var previousNode = parent.arguments[currentIndex - 1];
- var lineOfPreviousNode = ts.getLineAndCharacterOfPosition(sourceFile, previousNode.getEnd()).line;
- if (childStartLine === lineOfPreviousNode) {
- return true;
- }
- }
- return false;
- }
- SmartIndenter.argumentStartsOnSameLineAsPreviousArgument = argumentStartsOnSameLineAsPreviousArgument;
- function getContainingList(node, sourceFile) {
- return node.parent && getListByRange(node.getStart(sourceFile), node.getEnd(), node.parent, sourceFile);
- }
- SmartIndenter.getContainingList = getContainingList;
- function getListByPosition(pos, node, sourceFile) {
- return node && getListByRange(pos, pos, node, sourceFile);
- }
- function getListByRange(start, end, node, sourceFile) {
- switch (node.kind) {
- case 169 /* TypeReference */:
- return getList(node.typeArguments);
- case 193 /* ObjectLiteralExpression */:
- return getList(node.properties);
- case 192 /* ArrayLiteralExpression */:
- return getList(node.elements);
- case 173 /* TypeLiteral */:
- return getList(node.members);
- case 244 /* FunctionDeclaration */:
- case 201 /* FunctionExpression */:
- case 202 /* ArrowFunction */:
- case 161 /* MethodDeclaration */:
- case 160 /* MethodSignature */:
- case 165 /* CallSignature */:
- case 162 /* Constructor */:
- case 171 /* ConstructorType */:
- case 166 /* ConstructSignature */:
- return getList(node.typeParameters) || getList(node.parameters);
- case 245 /* ClassDeclaration */:
- case 214 /* ClassExpression */:
- case 246 /* InterfaceDeclaration */:
- case 247 /* TypeAliasDeclaration */:
- case 321 /* JSDocTemplateTag */:
- return getList(node.typeParameters);
- case 197 /* NewExpression */:
- case 196 /* CallExpression */:
- return getList(node.typeArguments) || getList(node.arguments);
- case 243 /* VariableDeclarationList */:
- return getList(node.declarations);
- case 257 /* NamedImports */:
- case 261 /* NamedExports */:
- return getList(node.elements);
- case 189 /* ObjectBindingPattern */:
- case 190 /* ArrayBindingPattern */:
- return getList(node.elements);
- }
- function getList(list) {
- return list && ts.rangeContainsStartEnd(getVisualListRange(node, list, sourceFile), start, end) ? list : undefined;
- }
- }
- function getVisualListRange(node, list, sourceFile) {
- var children = node.getChildren(sourceFile);
- for (var i = 1; i < children.length - 1; i++) {
- if (children[i].pos === list.pos && children[i].end === list.end) {
- return { pos: children[i - 1].end, end: children[i + 1].getStart(sourceFile) };
- }
- }
- return list;
- }
- function getActualIndentationForListStartLine(list, sourceFile, options) {
- if (!list) {
- return -1 /* Unknown */;
- }
- return findColumnForFirstNonWhitespaceCharacterInLine(sourceFile.getLineAndCharacterOfPosition(list.pos), sourceFile, options);
- }
- function getActualIndentationForListItem(node, sourceFile, options, listIndentsChild) {
- if (node.parent && node.parent.kind === 243 /* VariableDeclarationList */) {
- // VariableDeclarationList has no wrapping tokens
- return -1 /* Unknown */;
- }
- var containingList = getContainingList(node, sourceFile);
- if (containingList) {
- var index = containingList.indexOf(node);
- if (index !== -1) {
- var result = deriveActualIndentationFromList(containingList, index, sourceFile, options);
- if (result !== -1 /* Unknown */) {
- return result;
- }
- }
- return getActualIndentationForListStartLine(containingList, sourceFile, options) + (listIndentsChild ? options.indentSize : 0); // TODO: GH#18217
- }
- return -1 /* Unknown */;
- }
- function deriveActualIndentationFromList(list, index, sourceFile, options) {
- ts.Debug.assert(index >= 0 && index < list.length);
- var node = list[index];
- // walk toward the start of the list starting from current node and check if the line is the same for all items.
- // if end line for item [i - 1] differs from the start line for item [i] - find column of the first non-whitespace character on the line of item [i]
- var lineAndCharacter = getStartLineAndCharacterForNode(node, sourceFile);
- for (var i = index - 1; i >= 0; i--) {
- if (list[i].kind === 27 /* CommaToken */) {
- continue;
- }
- // skip list items that ends on the same line with the current list element
- var prevEndLine = sourceFile.getLineAndCharacterOfPosition(list[i].end).line;
- if (prevEndLine !== lineAndCharacter.line) {
- return findColumnForFirstNonWhitespaceCharacterInLine(lineAndCharacter, sourceFile, options);
- }
- lineAndCharacter = getStartLineAndCharacterForNode(list[i], sourceFile);
- }
- return -1 /* Unknown */;
- }
- function findColumnForFirstNonWhitespaceCharacterInLine(lineAndCharacter, sourceFile, options) {
- var lineStart = sourceFile.getPositionOfLineAndCharacter(lineAndCharacter.line, 0);
- return findFirstNonWhitespaceColumn(lineStart, lineStart + lineAndCharacter.character, sourceFile, options);
- }
- /**
- * Character is the actual index of the character since the beginning of the line.
- * Column - position of the character after expanding tabs to spaces.
- * "0\t2$"
- * value of 'character' for '$' is 3
- * value of 'column' for '$' is 6 (assuming that tab size is 4)
- */
- function findFirstNonWhitespaceCharacterAndColumn(startPos, endPos, sourceFile, options) {
- var character = 0;
- var column = 0;
- for (var pos = startPos; pos < endPos; pos++) {
- var ch = sourceFile.text.charCodeAt(pos);
- if (!ts.isWhiteSpaceSingleLine(ch)) {
- break;
- }
- if (ch === 9 /* tab */) {
- column += options.tabSize + (column % options.tabSize);
- }
- else {
- column++;
- }
- character++;
- }
- return { column: column, character: character };
- }
- SmartIndenter.findFirstNonWhitespaceCharacterAndColumn = findFirstNonWhitespaceCharacterAndColumn;
- function findFirstNonWhitespaceColumn(startPos, endPos, sourceFile, options) {
- return findFirstNonWhitespaceCharacterAndColumn(startPos, endPos, sourceFile, options).column;
- }
- SmartIndenter.findFirstNonWhitespaceColumn = findFirstNonWhitespaceColumn;
- function nodeWillIndentChild(settings, parent, child, sourceFile, indentByDefault) {
- var childKind = child ? child.kind : 0 /* Unknown */;
- switch (parent.kind) {
- case 226 /* ExpressionStatement */:
- case 245 /* ClassDeclaration */:
- case 214 /* ClassExpression */:
- case 246 /* InterfaceDeclaration */:
- case 248 /* EnumDeclaration */:
- case 247 /* TypeAliasDeclaration */:
- case 192 /* ArrayLiteralExpression */:
- case 223 /* Block */:
- case 250 /* ModuleBlock */:
- case 193 /* ObjectLiteralExpression */:
- case 173 /* TypeLiteral */:
- case 186 /* MappedType */:
- case 175 /* TupleType */:
- case 251 /* CaseBlock */:
- case 278 /* DefaultClause */:
- case 277 /* CaseClause */:
- case 200 /* ParenthesizedExpression */:
- case 194 /* PropertyAccessExpression */:
- case 196 /* CallExpression */:
- case 197 /* NewExpression */:
- case 225 /* VariableStatement */:
- case 259 /* ExportAssignment */:
- case 235 /* ReturnStatement */:
- case 210 /* ConditionalExpression */:
- case 190 /* ArrayBindingPattern */:
- case 189 /* ObjectBindingPattern */:
- case 268 /* JsxOpeningElement */:
- case 271 /* JsxOpeningFragment */:
- case 267 /* JsxSelfClosingElement */:
- case 276 /* JsxExpression */:
- case 160 /* MethodSignature */:
- case 165 /* CallSignature */:
- case 166 /* ConstructSignature */:
- case 156 /* Parameter */:
- case 170 /* FunctionType */:
- case 171 /* ConstructorType */:
- case 182 /* ParenthesizedType */:
- case 198 /* TaggedTemplateExpression */:
- case 206 /* AwaitExpression */:
- case 261 /* NamedExports */:
- case 257 /* NamedImports */:
- case 263 /* ExportSpecifier */:
- case 258 /* ImportSpecifier */:
- case 159 /* PropertyDeclaration */:
- return true;
- case 242 /* VariableDeclaration */:
- case 281 /* PropertyAssignment */:
- case 209 /* BinaryExpression */:
- if (!settings.indentMultiLineObjectLiteralBeginningOnBlankLine && sourceFile && childKind === 193 /* ObjectLiteralExpression */) { // TODO: GH#18217
- return rangeIsOnOneLine(sourceFile, child);
- }
- if (parent.kind !== 209 /* BinaryExpression */) {
- return true;
- }
- break;
- case 228 /* DoStatement */:
- case 229 /* WhileStatement */:
- case 231 /* ForInStatement */:
- case 232 /* ForOfStatement */:
- case 230 /* ForStatement */:
- case 227 /* IfStatement */:
- case 244 /* FunctionDeclaration */:
- case 201 /* FunctionExpression */:
- case 161 /* MethodDeclaration */:
- case 202 /* ArrowFunction */:
- case 162 /* Constructor */:
- case 163 /* GetAccessor */:
- case 164 /* SetAccessor */:
- return childKind !== 223 /* Block */;
- case 260 /* ExportDeclaration */:
- return childKind !== 261 /* NamedExports */;
- case 254 /* ImportDeclaration */:
- return childKind !== 255 /* ImportClause */ ||
- (!!child.namedBindings && child.namedBindings.kind !== 257 /* NamedImports */);
- case 266 /* JsxElement */:
- return childKind !== 269 /* JsxClosingElement */;
- case 270 /* JsxFragment */:
- return childKind !== 272 /* JsxClosingFragment */;
- case 179 /* IntersectionType */:
- case 178 /* UnionType */:
- if (childKind === 173 /* TypeLiteral */) {
- return false;
- }
- // falls through
- }
- // No explicit rule for given nodes so the result will follow the default value argument
- return indentByDefault;
- }
- SmartIndenter.nodeWillIndentChild = nodeWillIndentChild;
- function isControlFlowEndingStatement(kind, parent) {
- switch (kind) {
- case 235 /* ReturnStatement */:
- case 239 /* ThrowStatement */:
- case 233 /* ContinueStatement */:
- case 234 /* BreakStatement */:
- return parent.kind !== 223 /* Block */;
- default:
- return false;
- }
- }
- /**
- * True when the parent node should indent the given child by an explicit rule.
- * @param isNextChild If true, we are judging indent of a hypothetical child *after* this one, not the current child.
- */
- function shouldIndentChildNode(settings, parent, child, sourceFile, isNextChild) {
- if (isNextChild === void 0) { isNextChild = false; }
- return nodeWillIndentChild(settings, parent, child, sourceFile, /*indentByDefault*/ false)
- && !(isNextChild && child && isControlFlowEndingStatement(child.kind, parent));
- }
- SmartIndenter.shouldIndentChildNode = shouldIndentChildNode;
- function rangeIsOnOneLine(sourceFile, range) {
- var rangeStart = ts.skipTrivia(sourceFile.text, range.pos);
- var startLine = sourceFile.getLineAndCharacterOfPosition(rangeStart).line;
- var endLine = sourceFile.getLineAndCharacterOfPosition(range.end).line;
- return startLine === endLine;
- }
- })(SmartIndenter = formatting.SmartIndenter || (formatting.SmartIndenter = {}));
- })(formatting = ts.formatting || (ts.formatting = {}));
-})(ts || (ts = {}));
-/* @internal */
-var ts;
-(function (ts) {
- var textChanges;
- (function (textChanges_3) {
- /**
- * Currently for simplicity we store recovered positions on the node itself.
- * It can be changed to side-table later if we decide that current design is too invasive.
- */
- function getPos(n) {
- var result = n.__pos;
- ts.Debug.assert(typeof result === "number");
- return result;
- }
- function setPos(n, pos) {
- ts.Debug.assert(typeof pos === "number");
- n.__pos = pos;
- }
- function getEnd(n) {
- var result = n.__end;
- ts.Debug.assert(typeof result === "number");
- return result;
- }
- function setEnd(n, end) {
- ts.Debug.assert(typeof end === "number");
- n.__end = end;
- }
- var LeadingTriviaOption;
- (function (LeadingTriviaOption) {
- /** Exclude all leading trivia (use getStart()) */
- LeadingTriviaOption[LeadingTriviaOption["Exclude"] = 0] = "Exclude";
- /** Include leading trivia and,
- * if there are no line breaks between the node and the previous token,
- * include all trivia between the node and the previous token
- */
- LeadingTriviaOption[LeadingTriviaOption["IncludeAll"] = 1] = "IncludeAll";
- /**
- * Include attached JSDoc comments
- */
- LeadingTriviaOption[LeadingTriviaOption["JSDoc"] = 2] = "JSDoc";
- /**
- * Only delete trivia on the same line as getStart().
- * Used to avoid deleting leading comments
- */
- LeadingTriviaOption[LeadingTriviaOption["StartLine"] = 3] = "StartLine";
- })(LeadingTriviaOption = textChanges_3.LeadingTriviaOption || (textChanges_3.LeadingTriviaOption = {}));
- var TrailingTriviaOption;
- (function (TrailingTriviaOption) {
- /** Exclude all trailing trivia (use getEnd()) */
- TrailingTriviaOption[TrailingTriviaOption["Exclude"] = 0] = "Exclude";
- /** Include trailing trivia */
- TrailingTriviaOption[TrailingTriviaOption["Include"] = 1] = "Include";
- })(TrailingTriviaOption = textChanges_3.TrailingTriviaOption || (textChanges_3.TrailingTriviaOption = {}));
- function skipWhitespacesAndLineBreaks(text, start) {
- return ts.skipTrivia(text, start, /*stopAfterLineBreak*/ false, /*stopAtComments*/ true);
- }
- function hasCommentsBeforeLineBreak(text, start) {
- var i = start;
- while (i < text.length) {
- var ch = text.charCodeAt(i);
- if (ts.isWhiteSpaceSingleLine(ch)) {
- i++;
- continue;
- }
- return ch === 47 /* slash */;
- }
- return false;
- }
- var useNonAdjustedPositions = {
- leadingTriviaOption: LeadingTriviaOption.Exclude,
- trailingTriviaOption: TrailingTriviaOption.Exclude,
- };
- var ChangeKind;
- (function (ChangeKind) {
- ChangeKind[ChangeKind["Remove"] = 0] = "Remove";
- ChangeKind[ChangeKind["ReplaceWithSingleNode"] = 1] = "ReplaceWithSingleNode";
- ChangeKind[ChangeKind["ReplaceWithMultipleNodes"] = 2] = "ReplaceWithMultipleNodes";
- ChangeKind[ChangeKind["Text"] = 3] = "Text";
- })(ChangeKind || (ChangeKind = {}));
- function getAdjustedRange(sourceFile, startNode, endNode, options) {
- return { pos: getAdjustedStartPosition(sourceFile, startNode, options), end: getAdjustedEndPosition(sourceFile, endNode, options) };
- }
- function getAdjustedStartPosition(sourceFile, node, options) {
- var leadingTriviaOption = options.leadingTriviaOption;
- if (leadingTriviaOption === LeadingTriviaOption.Exclude) {
- return node.getStart(sourceFile);
- }
- if (leadingTriviaOption === LeadingTriviaOption.StartLine) {
- return ts.getLineStartPositionForPosition(node.getStart(sourceFile), sourceFile);
- }
- if (leadingTriviaOption === LeadingTriviaOption.JSDoc) {
- var JSDocComments = ts.getJSDocCommentRanges(node, sourceFile.text);
- if (JSDocComments === null || JSDocComments === void 0 ? void 0 : JSDocComments.length) {
- return ts.getLineStartPositionForPosition(JSDocComments[0].pos, sourceFile);
- }
- }
- var fullStart = node.getFullStart();
- var start = node.getStart(sourceFile);
- if (fullStart === start) {
- return start;
- }
- var fullStartLine = ts.getLineStartPositionForPosition(fullStart, sourceFile);
- var startLine = ts.getLineStartPositionForPosition(start, sourceFile);
- if (startLine === fullStartLine) {
- // full start and start of the node are on the same line
- // a, b;
- // ^ ^
- // | start
- // fullstart
- // when b is replaced - we usually want to keep the leading trvia
- // when b is deleted - we delete it
- return leadingTriviaOption === LeadingTriviaOption.IncludeAll ? fullStart : start;
- }
- // get start position of the line following the line that contains fullstart position
- // (but only if the fullstart isn't the very beginning of the file)
- var nextLineStart = fullStart > 0 ? 1 : 0;
- var adjustedStartPosition = ts.getStartPositionOfLine(ts.getLineOfLocalPosition(sourceFile, fullStartLine) + nextLineStart, sourceFile);
- // skip whitespaces/newlines
- adjustedStartPosition = skipWhitespacesAndLineBreaks(sourceFile.text, adjustedStartPosition);
- return ts.getStartPositionOfLine(ts.getLineOfLocalPosition(sourceFile, adjustedStartPosition), sourceFile);
- }
- function getAdjustedEndPosition(sourceFile, node, options) {
- var end = node.end;
- var trailingTriviaOption = options.trailingTriviaOption;
- if (trailingTriviaOption === TrailingTriviaOption.Exclude || (ts.isExpression(node) && trailingTriviaOption !== TrailingTriviaOption.Include)) {
- return end;
- }
- var newEnd = ts.skipTrivia(sourceFile.text, end, /*stopAfterLineBreak*/ true);
- return newEnd !== end && (trailingTriviaOption === TrailingTriviaOption.Include || ts.isLineBreak(sourceFile.text.charCodeAt(newEnd - 1)))
- ? newEnd
- : end;
- }
- /**
- * Checks if 'candidate' argument is a legal separator in the list that contains 'node' as an element
- */
- function isSeparator(node, candidate) {
- return !!candidate && !!node.parent && (candidate.kind === 27 /* CommaToken */ || (candidate.kind === 26 /* SemicolonToken */ && node.parent.kind === 193 /* ObjectLiteralExpression */));
- }
- function spaces(count) {
- var s = "";
- for (var i = 0; i < count; i++) {
- s += " ";
- }
- return s;
- }
- function isThisTypeAnnotatable(containingFunction) {
- return ts.isFunctionExpression(containingFunction) || ts.isFunctionDeclaration(containingFunction);
- }
- textChanges_3.isThisTypeAnnotatable = isThisTypeAnnotatable;
- var ChangeTracker = /** @class */ (function () {
- /** Public for tests only. Other callers should use `ChangeTracker.with`. */
- function ChangeTracker(newLineCharacter, formatContext) {
- this.newLineCharacter = newLineCharacter;
- this.formatContext = formatContext;
- this.changes = [];
- this.newFiles = [];
- this.classesWithNodesInsertedAtStart = ts.createMap(); // Set<ClassDeclaration> implemented as Map<node id, ClassDeclaration>
- this.deletedNodes = [];
- }
- ChangeTracker.fromContext = function (context) {
- return new ChangeTracker(ts.getNewLineOrDefaultFromHost(context.host, context.formatContext.options), context.formatContext);
- };
- ChangeTracker.with = function (context, cb) {
- var tracker = ChangeTracker.fromContext(context);
- cb(tracker);
- return tracker.getChanges();
- };
- ChangeTracker.prototype.pushRaw = function (sourceFile, change) {
- ts.Debug.assertEqual(sourceFile.fileName, change.fileName);
- for (var _i = 0, _a = change.textChanges; _i < _a.length; _i++) {
- var c = _a[_i];
- this.changes.push({
- kind: ChangeKind.Text,
- sourceFile: sourceFile,
- text: c.newText,
- range: ts.createTextRangeFromSpan(c.span),
- });
- }
- };
- ChangeTracker.prototype.deleteRange = function (sourceFile, range) {
- this.changes.push({ kind: ChangeKind.Remove, sourceFile: sourceFile, range: range });
- };
- ChangeTracker.prototype.delete = function (sourceFile, node) {
- this.deletedNodes.push({ sourceFile: sourceFile, node: node });
- };
- ChangeTracker.prototype.deleteNode = function (sourceFile, node, options) {
- if (options === void 0) { options = { leadingTriviaOption: LeadingTriviaOption.IncludeAll }; }
- this.deleteRange(sourceFile, getAdjustedRange(sourceFile, node, node, options));
- };
- ChangeTracker.prototype.deleteModifier = function (sourceFile, modifier) {
- this.deleteRange(sourceFile, { pos: modifier.getStart(sourceFile), end: ts.skipTrivia(sourceFile.text, modifier.end, /*stopAfterLineBreak*/ true) });
- };
- ChangeTracker.prototype.deleteNodeRange = function (sourceFile, startNode, endNode, options) {
- if (options === void 0) { options = { leadingTriviaOption: LeadingTriviaOption.IncludeAll }; }
- var startPosition = getAdjustedStartPosition(sourceFile, startNode, options);
- var endPosition = getAdjustedEndPosition(sourceFile, endNode, options);
- this.deleteRange(sourceFile, { pos: startPosition, end: endPosition });
- };
- ChangeTracker.prototype.deleteNodeRangeExcludingEnd = function (sourceFile, startNode, afterEndNode, options) {
- if (options === void 0) { options = { leadingTriviaOption: LeadingTriviaOption.IncludeAll }; }
- var startPosition = getAdjustedStartPosition(sourceFile, startNode, options);
- var endPosition = afterEndNode === undefined ? sourceFile.text.length : getAdjustedStartPosition(sourceFile, afterEndNode, options);
- this.deleteRange(sourceFile, { pos: startPosition, end: endPosition });
- };
- ChangeTracker.prototype.replaceRange = function (sourceFile, range, newNode, options) {
- if (options === void 0) { options = {}; }
- this.changes.push({ kind: ChangeKind.ReplaceWithSingleNode, sourceFile: sourceFile, range: range, options: options, node: newNode });
- };
- ChangeTracker.prototype.replaceNode = function (sourceFile, oldNode, newNode, options) {
- if (options === void 0) { options = useNonAdjustedPositions; }
- this.replaceRange(sourceFile, getAdjustedRange(sourceFile, oldNode, oldNode, options), newNode, options);
- };
- ChangeTracker.prototype.replaceNodeRange = function (sourceFile, startNode, endNode, newNode, options) {
- if (options === void 0) { options = useNonAdjustedPositions; }
- this.replaceRange(sourceFile, getAdjustedRange(sourceFile, startNode, endNode, options), newNode, options);
- };
- ChangeTracker.prototype.replaceRangeWithNodes = function (sourceFile, range, newNodes, options) {
- if (options === void 0) { options = {}; }
- this.changes.push({ kind: ChangeKind.ReplaceWithMultipleNodes, sourceFile: sourceFile, range: range, options: options, nodes: newNodes });
- };
- ChangeTracker.prototype.replaceNodeWithNodes = function (sourceFile, oldNode, newNodes, options) {
- if (options === void 0) { options = useNonAdjustedPositions; }
- this.replaceRangeWithNodes(sourceFile, getAdjustedRange(sourceFile, oldNode, oldNode, options), newNodes, options);
- };
- ChangeTracker.prototype.replaceNodeWithText = function (sourceFile, oldNode, text) {
- this.replaceRangeWithText(sourceFile, getAdjustedRange(sourceFile, oldNode, oldNode, useNonAdjustedPositions), text);
- };
- ChangeTracker.prototype.replaceNodeRangeWithNodes = function (sourceFile, startNode, endNode, newNodes, options) {
- if (options === void 0) { options = useNonAdjustedPositions; }
- this.replaceRangeWithNodes(sourceFile, getAdjustedRange(sourceFile, startNode, endNode, options), newNodes, options);
- };
- ChangeTracker.prototype.nextCommaToken = function (sourceFile, node) {
- var next = ts.findNextToken(node, node.parent, sourceFile);
- return next && next.kind === 27 /* CommaToken */ ? next : undefined;
- };
- ChangeTracker.prototype.replacePropertyAssignment = function (sourceFile, oldNode, newNode) {
- var suffix = this.nextCommaToken(sourceFile, oldNode) ? "" : ("," + this.newLineCharacter);
- this.replaceNode(sourceFile, oldNode, newNode, { suffix: suffix });
- };
- ChangeTracker.prototype.insertNodeAt = function (sourceFile, pos, newNode, options) {
- if (options === void 0) { options = {}; }
- this.replaceRange(sourceFile, ts.createRange(pos), newNode, options);
- };
- ChangeTracker.prototype.insertNodesAt = function (sourceFile, pos, newNodes, options) {
- if (options === void 0) { options = {}; }
- this.replaceRangeWithNodes(sourceFile, ts.createRange(pos), newNodes, options);
- };
- ChangeTracker.prototype.insertNodeAtTopOfFile = function (sourceFile, newNode, blankLineBetween) {
- this.insertAtTopOfFile(sourceFile, newNode, blankLineBetween);
- };
- ChangeTracker.prototype.insertNodesAtTopOfFile = function (sourceFile, newNodes, blankLineBetween) {
- this.insertAtTopOfFile(sourceFile, newNodes, blankLineBetween);
- };
- ChangeTracker.prototype.insertAtTopOfFile = function (sourceFile, insert, blankLineBetween) {
- var pos = getInsertionPositionAtSourceFileTop(sourceFile);
- var options = {
- prefix: pos === 0 ? undefined : this.newLineCharacter,
- suffix: (ts.isLineBreak(sourceFile.text.charCodeAt(pos)) ? "" : this.newLineCharacter) + (blankLineBetween ? this.newLineCharacter : ""),
- };
- if (ts.isArray(insert)) {
- this.insertNodesAt(sourceFile, pos, insert, options);
- }
- else {
- this.insertNodeAt(sourceFile, pos, insert, options);
- }
- };
- ChangeTracker.prototype.insertFirstParameter = function (sourceFile, parameters, newParam) {
- var p0 = ts.firstOrUndefined(parameters);
- if (p0) {
- this.insertNodeBefore(sourceFile, p0, newParam);
- }
- else {
- this.insertNodeAt(sourceFile, parameters.pos, newParam);
- }
- };
- ChangeTracker.prototype.insertNodeBefore = function (sourceFile, before, newNode, blankLineBetween) {
- if (blankLineBetween === void 0) { blankLineBetween = false; }
- this.insertNodeAt(sourceFile, getAdjustedStartPosition(sourceFile, before, {}), newNode, this.getOptionsForInsertNodeBefore(before, newNode, blankLineBetween));
- };
- ChangeTracker.prototype.insertModifierBefore = function (sourceFile, modifier, before) {
- var pos = before.getStart(sourceFile);
- this.insertNodeAt(sourceFile, pos, ts.createToken(modifier), { suffix: " " });
- };
- ChangeTracker.prototype.insertLastModifierBefore = function (sourceFile, modifier, before) {
- if (!before.modifiers) {
- this.insertModifierBefore(sourceFile, modifier, before);
- return;
- }
- var pos = before.modifiers.end;
- this.insertNodeAt(sourceFile, pos, ts.createToken(modifier), { prefix: " " });
- };
- ChangeTracker.prototype.insertCommentBeforeLine = function (sourceFile, lineNumber, position, commentText) {
- var lineStartPosition = ts.getStartPositionOfLine(lineNumber, sourceFile);
- var startPosition = ts.getFirstNonSpaceCharacterPosition(sourceFile.text, lineStartPosition);
- // First try to see if we can put the comment on the previous line.
- // We need to make sure that we are not in the middle of a string literal or a comment.
- // If so, we do not want to separate the node from its comment if we can.
- // Otherwise, add an extra new line immediately before the error span.
- var insertAtLineStart = isValidLocationToAddComment(sourceFile, startPosition);
- var token = ts.getTouchingToken(sourceFile, insertAtLineStart ? startPosition : position);
- var indent = sourceFile.text.slice(lineStartPosition, startPosition);
- var text = (insertAtLineStart ? "" : this.newLineCharacter) + "//" + commentText + this.newLineCharacter + indent;
- this.insertText(sourceFile, token.getStart(sourceFile), text);
- };
- ChangeTracker.prototype.insertJsdocCommentBefore = function (sourceFile, node, tag) {
- var fnStart = node.getStart(sourceFile);
- if (node.jsDoc) {
- for (var _i = 0, _a = node.jsDoc; _i < _a.length; _i++) {
- var jsdoc = _a[_i];
- this.deleteRange(sourceFile, {
- pos: ts.getLineStartPositionForPosition(jsdoc.getStart(sourceFile), sourceFile),
- end: getAdjustedEndPosition(sourceFile, jsdoc, /*options*/ {})
- });
- }
- }
- var startPosition = ts.getPrecedingNonSpaceCharacterPosition(sourceFile.text, fnStart - 1);
- var indent = sourceFile.text.slice(startPosition, fnStart);
- this.insertNodeAt(sourceFile, fnStart, tag, { preserveLeadingWhitespace: false, suffix: this.newLineCharacter + indent });
- };
- ChangeTracker.prototype.replaceRangeWithText = function (sourceFile, range, text) {
- this.changes.push({ kind: ChangeKind.Text, sourceFile: sourceFile, range: range, text: text });
- };
- ChangeTracker.prototype.insertText = function (sourceFile, pos, text) {
- this.replaceRangeWithText(sourceFile, ts.createRange(pos), text);
- };
- /** Prefer this over replacing a node with another that has a type annotation, as it avoids reformatting the other parts of the node. */
- ChangeTracker.prototype.tryInsertTypeAnnotation = function (sourceFile, node, type) {
- var _a;
- var endNode;
- if (ts.isFunctionLike(node)) {
- endNode = ts.findChildOfKind(node, 21 /* CloseParenToken */, sourceFile);
- if (!endNode) {
- if (!ts.isArrowFunction(node))
- return false; // Function missing parentheses, give up
- // If no `)`, is an arrow function `x => x`, so use the end of the first parameter
- endNode = ts.first(node.parameters);
- }
- }
- else {
- endNode = (_a = (node.kind === 242 /* VariableDeclaration */ ? node.exclamationToken : node.questionToken)) !== null && _a !== void 0 ? _a : node.name;
- }
- this.insertNodeAt(sourceFile, endNode.end, type, { prefix: ": " });
- return true;
- };
- ChangeTracker.prototype.tryInsertThisTypeAnnotation = function (sourceFile, node, type) {
- var start = ts.findChildOfKind(node, 20 /* OpenParenToken */, sourceFile).getStart(sourceFile) + 1;
- var suffix = node.parameters.length ? ", " : "";
- this.insertNodeAt(sourceFile, start, type, { prefix: "this: ", suffix: suffix });
- };
- ChangeTracker.prototype.insertTypeParameters = function (sourceFile, node, typeParameters) {
- // If no `(`, is an arrow function `x => x`, so use the pos of the first parameter
- var start = (ts.findChildOfKind(node, 20 /* OpenParenToken */, sourceFile) || ts.first(node.parameters)).getStart(sourceFile);
- this.insertNodesAt(sourceFile, start, typeParameters, { prefix: "<", suffix: ">" });
- };
- ChangeTracker.prototype.getOptionsForInsertNodeBefore = function (before, inserted, doubleNewlines) {
- if (ts.isStatement(before) || ts.isClassElement(before)) {
- return { suffix: doubleNewlines ? this.newLineCharacter + this.newLineCharacter : this.newLineCharacter };
- }
- else if (ts.isVariableDeclaration(before)) { // insert `x = 1, ` into `const x = 1, y = 2;
- return { suffix: ", " };
- }
- else if (ts.isParameter(before)) {
- return ts.isParameter(inserted) ? { suffix: ", " } : {};
- }
- else if (ts.isStringLiteral(before) && ts.isImportDeclaration(before.parent) || ts.isNamedImports(before)) {
- return { suffix: ", " };
- }
- return ts.Debug.failBadSyntaxKind(before); // We haven't handled this kind of node yet -- add it
- };
- ChangeTracker.prototype.insertNodeAtConstructorStart = function (sourceFile, ctr, newStatement) {
- var firstStatement = ts.firstOrUndefined(ctr.body.statements);
- if (!firstStatement || !ctr.body.multiLine) {
- this.replaceConstructorBody(sourceFile, ctr, __spreadArrays([newStatement], ctr.body.statements));
- }
- else {
- this.insertNodeBefore(sourceFile, firstStatement, newStatement);
- }
- };
- ChangeTracker.prototype.insertNodeAtConstructorEnd = function (sourceFile, ctr, newStatement) {
- var lastStatement = ts.lastOrUndefined(ctr.body.statements);
- if (!lastStatement || !ctr.body.multiLine) {
- this.replaceConstructorBody(sourceFile, ctr, __spreadArrays(ctr.body.statements, [newStatement]));
- }
- else {
- this.insertNodeAfter(sourceFile, lastStatement, newStatement);
- }
- };
- ChangeTracker.prototype.replaceConstructorBody = function (sourceFile, ctr, statements) {
- this.replaceNode(sourceFile, ctr.body, ts.createBlock(statements, /*multiLine*/ true));
- };
- ChangeTracker.prototype.insertNodeAtEndOfScope = function (sourceFile, scope, newNode) {
- var pos = getAdjustedStartPosition(sourceFile, scope.getLastToken(), {});
- this.insertNodeAt(sourceFile, pos, newNode, {
- prefix: ts.isLineBreak(sourceFile.text.charCodeAt(scope.getLastToken().pos)) ? this.newLineCharacter : this.newLineCharacter + this.newLineCharacter,
- suffix: this.newLineCharacter
- });
- };
- ChangeTracker.prototype.insertNodeAtClassStart = function (sourceFile, cls, newElement) {
- this.insertNodeAtStartWorker(sourceFile, cls, newElement);
- };
- ChangeTracker.prototype.insertNodeAtObjectStart = function (sourceFile, obj, newElement) {
- this.insertNodeAtStartWorker(sourceFile, obj, newElement);
- };
- ChangeTracker.prototype.insertNodeAtStartWorker = function (sourceFile, cls, newElement) {
- var _a;
- var indentation = (_a = this.guessIndentationFromExistingMembers(sourceFile, cls)) !== null && _a !== void 0 ? _a : this.computeIndentationForNewMember(sourceFile, cls);
- this.insertNodeAt(sourceFile, getMembersOrProperties(cls).pos, newElement, this.getInsertNodeAtStartInsertOptions(sourceFile, cls, indentation));
- };
- /**
- * Tries to guess the indentation from the existing members of a class/interface/object. All members must be on
- * new lines and must share the same indentation.
- */
- ChangeTracker.prototype.guessIndentationFromExistingMembers = function (sourceFile, cls) {
- var indentation;
- var lastRange = cls;
- for (var _i = 0, _a = getMembersOrProperties(cls); _i < _a.length; _i++) {
- var member = _a[_i];
- if (ts.rangeStartPositionsAreOnSameLine(lastRange, member, sourceFile)) {
- // each indented member must be on a new line
- return undefined;
- }
- var memberStart = member.getStart(sourceFile);
- var memberIndentation = ts.formatting.SmartIndenter.findFirstNonWhitespaceColumn(ts.getLineStartPositionForPosition(memberStart, sourceFile), memberStart, sourceFile, this.formatContext.options);
- if (indentation === undefined) {
- indentation = memberIndentation;
- }
- else if (memberIndentation !== indentation) {
- // indentation of multiple members is not consistent
- return undefined;
- }
- lastRange = member;
- }
- return indentation;
- };
- ChangeTracker.prototype.computeIndentationForNewMember = function (sourceFile, cls) {
- var _a;
- var clsStart = cls.getStart(sourceFile);
- return ts.formatting.SmartIndenter.findFirstNonWhitespaceColumn(ts.getLineStartPositionForPosition(clsStart, sourceFile), clsStart, sourceFile, this.formatContext.options)
- + ((_a = this.formatContext.options.indentSize) !== null && _a !== void 0 ? _a : 4);
- };
- ChangeTracker.prototype.getInsertNodeAtStartInsertOptions = function (sourceFile, cls, indentation) {
- // Rules:
- // - Always insert leading newline.
- // - For object literals:
- // - Add a trailing comma if there are existing members in the node, or the source file is not a JSON file
- // (because trailing commas are generally illegal in a JSON file).
- // - Add a leading comma if the source file is not a JSON file, there are existing insertions,
- // and the node is empty (because we didn't add a trailing comma per the previous rule).
- // - Only insert a trailing newline if body is single-line and there are no other insertions for the node.
- // NOTE: This is handled in `finishClassesWithNodesInsertedAtStart`.
- var members = getMembersOrProperties(cls);
- var isEmpty = members.length === 0;
- var isFirstInsertion = ts.addToSeen(this.classesWithNodesInsertedAtStart, ts.getNodeId(cls), { node: cls, sourceFile: sourceFile });
- var insertTrailingComma = ts.isObjectLiteralExpression(cls) && (!ts.isJsonSourceFile(sourceFile) || !isEmpty);
- var insertLeadingComma = ts.isObjectLiteralExpression(cls) && ts.isJsonSourceFile(sourceFile) && isEmpty && !isFirstInsertion;
- return {
- indentation: indentation,
- prefix: (insertLeadingComma ? "," : "") + this.newLineCharacter,
- suffix: insertTrailingComma ? "," : ""
- };
- };
- ChangeTracker.prototype.insertNodeAfterComma = function (sourceFile, after, newNode) {
- var endPosition = this.insertNodeAfterWorker(sourceFile, this.nextCommaToken(sourceFile, after) || after, newNode);
- this.insertNodeAt(sourceFile, endPosition, newNode, this.getInsertNodeAfterOptions(sourceFile, after));
- };
- ChangeTracker.prototype.insertNodeAfter = function (sourceFile, after, newNode) {
- var endPosition = this.insertNodeAfterWorker(sourceFile, after, newNode);
- this.insertNodeAt(sourceFile, endPosition, newNode, this.getInsertNodeAfterOptions(sourceFile, after));
- };
- ChangeTracker.prototype.insertNodeAtEndOfList = function (sourceFile, list, newNode) {
- this.insertNodeAt(sourceFile, list.end, newNode, { prefix: ", " });
- };
- ChangeTracker.prototype.insertNodesAfter = function (sourceFile, after, newNodes) {
- var endPosition = this.insertNodeAfterWorker(sourceFile, after, ts.first(newNodes));
- this.insertNodesAt(sourceFile, endPosition, newNodes, this.getInsertNodeAfterOptions(sourceFile, after));
- };
- ChangeTracker.prototype.insertNodeAfterWorker = function (sourceFile, after, newNode) {
- if (needSemicolonBetween(after, newNode)) {
- // check if previous statement ends with semicolon
- // if not - insert semicolon to preserve the code from changing the meaning due to ASI
- if (sourceFile.text.charCodeAt(after.end - 1) !== 59 /* semicolon */) {
- this.replaceRange(sourceFile, ts.createRange(after.end), ts.createToken(26 /* SemicolonToken */));
- }
- }
- var endPosition = getAdjustedEndPosition(sourceFile, after, {});
- return endPosition;
- };
- ChangeTracker.prototype.getInsertNodeAfterOptions = function (sourceFile, after) {
- var options = this.getInsertNodeAfterOptionsWorker(after);
- return __assign(__assign({}, options), { prefix: after.end === sourceFile.end && ts.isStatement(after) ? (options.prefix ? "\n" + options.prefix : "\n") : options.prefix });
- };
- ChangeTracker.prototype.getInsertNodeAfterOptionsWorker = function (node) {
- switch (node.kind) {
- case 245 /* ClassDeclaration */:
- case 249 /* ModuleDeclaration */:
- return { prefix: this.newLineCharacter, suffix: this.newLineCharacter };
- case 242 /* VariableDeclaration */:
- case 10 /* StringLiteral */:
- case 75 /* Identifier */:
- return { prefix: ", " };
- case 281 /* PropertyAssignment */:
- return { suffix: "," + this.newLineCharacter };
- case 89 /* ExportKeyword */:
- return { prefix: " " };
- case 156 /* Parameter */:
- return {};
- default:
- ts.Debug.assert(ts.isStatement(node) || ts.isClassOrTypeElement(node)); // Else we haven't handled this kind of node yet -- add it
- return { suffix: this.newLineCharacter };
- }
- };
- ChangeTracker.prototype.insertName = function (sourceFile, node, name) {
- ts.Debug.assert(!node.name);
- if (node.kind === 202 /* ArrowFunction */) {
- var arrow = ts.findChildOfKind(node, 38 /* EqualsGreaterThanToken */, sourceFile);
- var lparen = ts.findChildOfKind(node, 20 /* OpenParenToken */, sourceFile);
- if (lparen) {
- // `() => {}` --> `function f() {}`
- this.insertNodesAt(sourceFile, lparen.getStart(sourceFile), [ts.createToken(94 /* FunctionKeyword */), ts.createIdentifier(name)], { joiner: " " });
- deleteNode(this, sourceFile, arrow);
- }
- else {
- // `x => {}` -> `function f(x) {}`
- this.insertText(sourceFile, ts.first(node.parameters).getStart(sourceFile), "function " + name + "(");
- // Replacing full range of arrow to get rid of the leading space -- replace ` =>` with `)`
- this.replaceRange(sourceFile, arrow, ts.createToken(21 /* CloseParenToken */));
- }
- if (node.body.kind !== 223 /* Block */) {
- // `() => 0` => `function f() { return 0; }`
- this.insertNodesAt(sourceFile, node.body.getStart(sourceFile), [ts.createToken(18 /* OpenBraceToken */), ts.createToken(101 /* ReturnKeyword */)], { joiner: " ", suffix: " " });
- this.insertNodesAt(sourceFile, node.body.end, [ts.createToken(26 /* SemicolonToken */), ts.createToken(19 /* CloseBraceToken */)], { joiner: " " });
- }
- }
- else {
- var pos = ts.findChildOfKind(node, node.kind === 201 /* FunctionExpression */ ? 94 /* FunctionKeyword */ : 80 /* ClassKeyword */, sourceFile).end;
- this.insertNodeAt(sourceFile, pos, ts.createIdentifier(name), { prefix: " " });
- }
- };
- ChangeTracker.prototype.insertExportModifier = function (sourceFile, node) {
- this.insertText(sourceFile, node.getStart(sourceFile), "export ");
- };
- /**
- * This function should be used to insert nodes in lists when nodes don't carry separators as the part of the node range,
- * i.e. arguments in arguments lists, parameters in parameter lists etc.
- * Note that separators are part of the node in statements and class elements.
- */
- ChangeTracker.prototype.insertNodeInListAfter = function (sourceFile, after, newNode, containingList) {
- if (containingList === void 0) { containingList = ts.formatting.SmartIndenter.getContainingList(after, sourceFile); }
- if (!containingList) {
- ts.Debug.fail("node is not a list element");
- return;
- }
- var index = ts.indexOfNode(containingList, after);
- if (index < 0) {
- return;
- }
- var end = after.getEnd();
- if (index !== containingList.length - 1) {
- // any element except the last one
- // use next sibling as an anchor
- var nextToken = ts.getTokenAtPosition(sourceFile, after.end);
- if (nextToken && isSeparator(after, nextToken)) {
- // for list
- // a, b, c
- // create change for adding 'e' after 'a' as
- // - find start of next element after a (it is b)
- // - use this start as start and end position in final change
- // - build text of change by formatting the text of node + separator + whitespace trivia of b
- // in multiline case it will work as
- // a,
- // b,
- // c,
- // result - '*' denotes leading trivia that will be inserted after new text (displayed as '#')
- // a,*
- // ***insertedtext<separator>#
- // ###b,
- // c,
- // find line and character of the next element
- var lineAndCharOfNextElement = ts.getLineAndCharacterOfPosition(sourceFile, skipWhitespacesAndLineBreaks(sourceFile.text, containingList[index + 1].getFullStart()));
- // find line and character of the token that precedes next element (usually it is separator)
- var lineAndCharOfNextToken = ts.getLineAndCharacterOfPosition(sourceFile, nextToken.end);
- var prefix = void 0;
- var startPos = void 0;
- if (lineAndCharOfNextToken.line === lineAndCharOfNextElement.line) {
- // next element is located on the same line with separator:
- // a,$$$$b
- // ^ ^
- // | |-next element
- // |-separator
- // where $$$ is some leading trivia
- // for a newly inserted node we'll maintain the same relative position comparing to separator and replace leading trivia with spaces
- // a, x,$$$$b
- // ^ ^ ^
- // | | |-next element
- // | |-new inserted node padded with spaces
- // |-separator
- startPos = nextToken.end;
- prefix = spaces(lineAndCharOfNextElement.character - lineAndCharOfNextToken.character);
- }
- else {
- // next element is located on different line that separator
- // let insert position be the beginning of the line that contains next element
- startPos = ts.getStartPositionOfLine(lineAndCharOfNextElement.line, sourceFile);
- }
- // write separator and leading trivia of the next element as suffix
- var suffix = "" + ts.tokenToString(nextToken.kind) + sourceFile.text.substring(nextToken.end, containingList[index + 1].getStart(sourceFile));
- this.replaceRange(sourceFile, ts.createRange(startPos, containingList[index + 1].getStart(sourceFile)), newNode, { prefix: prefix, suffix: suffix });
- }
- }
- else {
- var afterStart = after.getStart(sourceFile);
- var afterStartLinePosition = ts.getLineStartPositionForPosition(afterStart, sourceFile);
- var separator = void 0;
- var multilineList = false;
- // insert element after the last element in the list that has more than one item
- // pick the element preceding the after element to:
- // - pick the separator
- // - determine if list is a multiline
- if (containingList.length === 1) {
- // if list has only one element then we'll format is as multiline if node has comment in trailing trivia, or as singleline otherwise
- // i.e. var x = 1 // this is x
- // | new element will be inserted at this position
- separator = 27 /* CommaToken */;
- }
- else {
- // element has more than one element, pick separator from the list
- var tokenBeforeInsertPosition = ts.findPrecedingToken(after.pos, sourceFile);
- separator = isSeparator(after, tokenBeforeInsertPosition) ? tokenBeforeInsertPosition.kind : 27 /* CommaToken */;
- // determine if list is multiline by checking lines of after element and element that precedes it.
- var afterMinusOneStartLinePosition = ts.getLineStartPositionForPosition(containingList[index - 1].getStart(sourceFile), sourceFile);
- multilineList = afterMinusOneStartLinePosition !== afterStartLinePosition;
- }
- if (hasCommentsBeforeLineBreak(sourceFile.text, after.end)) {
- // in this case we'll always treat containing list as multiline
- multilineList = true;
- }
- if (multilineList) {
- // insert separator immediately following the 'after' node to preserve comments in trailing trivia
- this.replaceRange(sourceFile, ts.createRange(end), ts.createToken(separator));
- // use the same indentation as 'after' item
- var indentation = ts.formatting.SmartIndenter.findFirstNonWhitespaceColumn(afterStartLinePosition, afterStart, sourceFile, this.formatContext.options);
- // insert element before the line break on the line that contains 'after' element
- var insertPos = ts.skipTrivia(sourceFile.text, end, /*stopAfterLineBreak*/ true, /*stopAtComments*/ false);
- if (insertPos !== end && ts.isLineBreak(sourceFile.text.charCodeAt(insertPos - 1))) {
- insertPos--;
- }
- this.replaceRange(sourceFile, ts.createRange(insertPos), newNode, { indentation: indentation, prefix: this.newLineCharacter });
- }
- else {
- this.replaceRange(sourceFile, ts.createRange(end), newNode, { prefix: ts.tokenToString(separator) + " " });
- }
- }
- };
- ChangeTracker.prototype.parenthesizeExpression = function (sourceFile, expression) {
- this.replaceRange(sourceFile, ts.rangeOfNode(expression), ts.createParen(expression));
- };
- ChangeTracker.prototype.finishClassesWithNodesInsertedAtStart = function () {
- var _this = this;
- this.classesWithNodesInsertedAtStart.forEach(function (_a) {
- var node = _a.node, sourceFile = _a.sourceFile;
- var _b = getClassOrObjectBraceEnds(node, sourceFile), openBraceEnd = _b[0], closeBraceEnd = _b[1];
- if (openBraceEnd !== undefined && closeBraceEnd !== undefined) {
- var isEmpty = getMembersOrProperties(node).length === 0;
- var isSingleLine = ts.positionsAreOnSameLine(openBraceEnd, closeBraceEnd, sourceFile);
- if (isEmpty && isSingleLine && openBraceEnd !== closeBraceEnd - 1) {
- // For `class C { }` remove the whitespace inside the braces.
- _this.deleteRange(sourceFile, ts.createRange(openBraceEnd, closeBraceEnd - 1));
- }
- if (isSingleLine) {
- _this.insertText(sourceFile, closeBraceEnd - 1, _this.newLineCharacter);
- }
- }
- });
- };
- ChangeTracker.prototype.finishDeleteDeclarations = function () {
- var _this = this;
- var deletedNodesInLists = new ts.NodeSet(); // Stores nodes in lists that we already deleted. Used to avoid deleting `, ` twice in `a, b`.
- var _loop_9 = function (sourceFile, node) {
- if (!this_1.deletedNodes.some(function (d) { return d.sourceFile === sourceFile && ts.rangeContainsRangeExclusive(d.node, node); })) {
- if (ts.isArray(node)) {
- this_1.deleteRange(sourceFile, ts.rangeOfTypeParameters(node));
- }
- else {
- deleteDeclaration.deleteDeclaration(this_1, deletedNodesInLists, sourceFile, node);
- }
- }
- };
- var this_1 = this;
- for (var _i = 0, _a = this.deletedNodes; _i < _a.length; _i++) {
- var _b = _a[_i], sourceFile = _b.sourceFile, node = _b.node;
- _loop_9(sourceFile, node);
- }
- deletedNodesInLists.forEach(function (node) {
- var sourceFile = node.getSourceFile();
- var list = ts.formatting.SmartIndenter.getContainingList(node, sourceFile);
- if (node !== ts.last(list))
- return;
- var lastNonDeletedIndex = ts.findLastIndex(list, function (n) { return !deletedNodesInLists.has(n); }, list.length - 2);
- if (lastNonDeletedIndex !== -1) {
- _this.deleteRange(sourceFile, { pos: list[lastNonDeletedIndex].end, end: startPositionToDeleteNodeInList(sourceFile, list[lastNonDeletedIndex + 1]) });
- }
- });
- };
- /**
- * Note: after calling this, the TextChanges object must be discarded!
- * @param validate only for tests
- * The reason we must validate as part of this method is that `getNonFormattedText` changes the node's positions,
- * so we can only call this once and can't get the non-formatted text separately.
- */
- ChangeTracker.prototype.getChanges = function (validate) {
- this.finishDeleteDeclarations();
- this.finishClassesWithNodesInsertedAtStart();
- var changes = changesToText.getTextChangesFromChanges(this.changes, this.newLineCharacter, this.formatContext, validate);
- for (var _i = 0, _a = this.newFiles; _i < _a.length; _i++) {
- var _b = _a[_i], oldFile = _b.oldFile, fileName = _b.fileName, statements = _b.statements;
- changes.push(changesToText.newFileChanges(oldFile, fileName, statements, this.newLineCharacter, this.formatContext));
- }
- return changes;
- };
- ChangeTracker.prototype.createNewFile = function (oldFile, fileName, statements) {
- this.newFiles.push({ oldFile: oldFile, fileName: fileName, statements: statements });
- };
- return ChangeTracker;
- }());
- textChanges_3.ChangeTracker = ChangeTracker;
- // find first non-whitespace position in the leading trivia of the node
- function startPositionToDeleteNodeInList(sourceFile, node) {
- return ts.skipTrivia(sourceFile.text, getAdjustedStartPosition(sourceFile, node, { leadingTriviaOption: LeadingTriviaOption.IncludeAll }), /*stopAfterLineBreak*/ false, /*stopAtComments*/ true);
- }
- function getClassOrObjectBraceEnds(cls, sourceFile) {
- var open = ts.findChildOfKind(cls, 18 /* OpenBraceToken */, sourceFile);
- var close = ts.findChildOfKind(cls, 19 /* CloseBraceToken */, sourceFile);
- return [open === null || open === void 0 ? void 0 : open.end, close === null || close === void 0 ? void 0 : close.end];
- }
- function getMembersOrProperties(cls) {
- return ts.isObjectLiteralExpression(cls) ? cls.properties : cls.members;
- }
- function getNewFileText(statements, scriptKind, newLineCharacter, formatContext) {
- return changesToText.newFileChangesWorker(/*oldFile*/ undefined, scriptKind, statements, newLineCharacter, formatContext);
- }
- textChanges_3.getNewFileText = getNewFileText;
- var changesToText;
- (function (changesToText) {
- function getTextChangesFromChanges(changes, newLineCharacter, formatContext, validate) {
- return ts.mapDefined(ts.group(changes, function (c) { return c.sourceFile.path; }), function (changesInFile) {
- var sourceFile = changesInFile[0].sourceFile;
- // order changes by start position
- // If the start position is the same, put the shorter range first, since an empty range (x, x) may precede (x, y) but not vice-versa.
- var normalized = ts.stableSort(changesInFile, function (a, b) { return (a.range.pos - b.range.pos) || (a.range.end - b.range.end); });
- var _loop_10 = function (i) {
- ts.Debug.assert(normalized[i].range.end <= normalized[i + 1].range.pos, "Changes overlap", function () {
- return JSON.stringify(normalized[i].range) + " and " + JSON.stringify(normalized[i + 1].range);
- });
- };
- // verify that change intervals do not overlap, except possibly at end points.
- for (var i = 0; i < normalized.length - 1; i++) {
- _loop_10(i);
- }
- var textChanges = ts.mapDefined(normalized, function (c) {
- var span = ts.createTextSpanFromRange(c.range);
- var newText = computeNewText(c, sourceFile, newLineCharacter, formatContext, validate);
- // Filter out redundant changes.
- if (span.length === newText.length && ts.stringContainsAt(sourceFile.text, newText, span.start)) {
- return undefined;
- }
- return ts.createTextChange(span, newText);
- });
- return textChanges.length > 0 ? { fileName: sourceFile.fileName, textChanges: textChanges } : undefined;
- });
- }
- changesToText.getTextChangesFromChanges = getTextChangesFromChanges;
- function newFileChanges(oldFile, fileName, statements, newLineCharacter, formatContext) {
- var text = newFileChangesWorker(oldFile, ts.getScriptKindFromFileName(fileName), statements, newLineCharacter, formatContext);
- return { fileName: fileName, textChanges: [ts.createTextChange(ts.createTextSpan(0, 0), text)], isNewFile: true };
- }
- changesToText.newFileChanges = newFileChanges;
- function newFileChangesWorker(oldFile, scriptKind, statements, newLineCharacter, formatContext) {
- // TODO: this emits the file, parses it back, then formats it that -- may be a less roundabout way to do this
- var nonFormattedText = statements.map(function (s) { return getNonformattedText(s, oldFile, newLineCharacter).text; }).join(newLineCharacter);
- var sourceFile = ts.createSourceFile("any file name", nonFormattedText, 99 /* ESNext */, /*setParentNodes*/ true, scriptKind);
- var changes = ts.formatting.formatDocument(sourceFile, formatContext);
- return applyChanges(nonFormattedText, changes) + newLineCharacter;
- }
- changesToText.newFileChangesWorker = newFileChangesWorker;
- function computeNewText(change, sourceFile, newLineCharacter, formatContext, validate) {
- if (change.kind === ChangeKind.Remove) {
- return "";
- }
- if (change.kind === ChangeKind.Text) {
- return change.text;
- }
- var _a = change.options, options = _a === void 0 ? {} : _a, pos = change.range.pos;
- var format = function (n) { return getFormattedTextOfNode(n, sourceFile, pos, options, newLineCharacter, formatContext, validate); };
- var text = change.kind === ChangeKind.ReplaceWithMultipleNodes
- ? change.nodes.map(function (n) { return ts.removeSuffix(format(n), newLineCharacter); }).join(change.options.joiner || newLineCharacter) // TODO: GH#18217
- : format(change.node);
- // strip initial indentation (spaces or tabs) if text will be inserted in the middle of the line
- var noIndent = (options.preserveLeadingWhitespace || options.indentation !== undefined || ts.getLineStartPositionForPosition(pos, sourceFile) === pos) ? text : text.replace(/^\s+/, "");
- return (options.prefix || "") + noIndent
- + ((!options.suffix || ts.endsWith(noIndent, options.suffix))
- ? "" : options.suffix);
- }
- function getFormatCodeSettingsForWriting(_a, sourceFile) {
- var options = _a.options;
- var shouldAutoDetectSemicolonPreference = !options.semicolons || options.semicolons === ts.SemicolonPreference.Ignore;
- var shouldRemoveSemicolons = options.semicolons === ts.SemicolonPreference.Remove || shouldAutoDetectSemicolonPreference && !ts.probablyUsesSemicolons(sourceFile);
- return __assign(__assign({}, options), { semicolons: shouldRemoveSemicolons ? ts.SemicolonPreference.Remove : ts.SemicolonPreference.Ignore });
- }
- /** Note: this may mutate `nodeIn`. */
- function getFormattedTextOfNode(nodeIn, sourceFile, pos, _a, newLineCharacter, formatContext, validate) {
- var indentation = _a.indentation, prefix = _a.prefix, delta = _a.delta;
- var _b = getNonformattedText(nodeIn, sourceFile, newLineCharacter), node = _b.node, text = _b.text;
- if (validate)
- validate(node, text);
- var formatOptions = getFormatCodeSettingsForWriting(formatContext, sourceFile);
- var initialIndentation = indentation !== undefined
- ? indentation
- : ts.formatting.SmartIndenter.getIndentation(pos, sourceFile, formatOptions, prefix === newLineCharacter || ts.getLineStartPositionForPosition(pos, sourceFile) === pos);
- if (delta === undefined) {
- delta = ts.formatting.SmartIndenter.shouldIndentChildNode(formatOptions, nodeIn) ? (formatOptions.indentSize || 0) : 0;
- }
- var file = { text: text, getLineAndCharacterOfPosition: function (pos) { return ts.getLineAndCharacterOfPosition(this, pos); } };
- var changes = ts.formatting.formatNodeGivenIndentation(node, file, sourceFile.languageVariant, initialIndentation, delta, __assign(__assign({}, formatContext), { options: formatOptions }));
- return applyChanges(text, changes);
- }
- /** Note: output node may be mutated input node. */
- function getNonformattedText(node, sourceFile, newLineCharacter) {
- var writer = createWriter(newLineCharacter);
- var newLine = newLineCharacter === "\n" ? 1 /* LineFeed */ : 0 /* CarriageReturnLineFeed */;
- ts.createPrinter({ newLine: newLine, neverAsciiEscape: true, preserveSourceNewlines: true }, writer).writeNode(4 /* Unspecified */, node, sourceFile, writer);
- return { text: writer.getText(), node: assignPositionsToNode(node) };
- }
- changesToText.getNonformattedText = getNonformattedText;
- })(changesToText || (changesToText = {}));
- function applyChanges(text, changes) {
- for (var i = changes.length - 1; i >= 0; i--) {
- var _a = changes[i], span = _a.span, newText = _a.newText;
- text = "" + text.substring(0, span.start) + newText + text.substring(ts.textSpanEnd(span));
- }
- return text;
- }
- textChanges_3.applyChanges = applyChanges;
- function isTrivia(s) {
- return ts.skipTrivia(s, 0) === s.length;
- }
- function assignPositionsToNode(node) {
- var visited = ts.visitEachChild(node, assignPositionsToNode, ts.nullTransformationContext, assignPositionsToNodeArray, assignPositionsToNode); // TODO: GH#18217
- // create proxy node for non synthesized nodes
- var newNode = ts.nodeIsSynthesized(visited) ? visited : Object.create(visited);
- newNode.pos = getPos(node);
- newNode.end = getEnd(node);
- return newNode;
- }
- function assignPositionsToNodeArray(nodes, visitor, test, start, count) {
- var visited = ts.visitNodes(nodes, visitor, test, start, count);
- if (!visited) {
- return visited;
- }
- // clone nodearray if necessary
- var nodeArray = visited === nodes ? ts.createNodeArray(visited.slice(0)) : visited;
- nodeArray.pos = getPos(nodes);
- nodeArray.end = getEnd(nodes);
- return nodeArray;
- }
- function createWriter(newLine) {
- var lastNonTriviaPosition = 0;
- var writer = ts.createTextWriter(newLine);
- var onEmitNode = function (hint, node, printCallback) {
- if (node) {
- setPos(node, lastNonTriviaPosition);
- }
- printCallback(hint, node);
- if (node) {
- setEnd(node, lastNonTriviaPosition);
- }
- };
- var onBeforeEmitNodeArray = function (nodes) {
- if (nodes) {
- setPos(nodes, lastNonTriviaPosition);
- }
- };
- var onAfterEmitNodeArray = function (nodes) {
- if (nodes) {
- setEnd(nodes, lastNonTriviaPosition);
- }
- };
- var onBeforeEmitToken = function (node) {
- if (node) {
- setPos(node, lastNonTriviaPosition);
- }
- };
- var onAfterEmitToken = function (node) {
- if (node) {
- setEnd(node, lastNonTriviaPosition);
- }
- };
- function setLastNonTriviaPosition(s, force) {
- if (force || !isTrivia(s)) {
- lastNonTriviaPosition = writer.getTextPos();
- var i = 0;
- while (ts.isWhiteSpaceLike(s.charCodeAt(s.length - i - 1))) {
- i++;
- }
- // trim trailing whitespaces
- lastNonTriviaPosition -= i;
- }
- }
- function write(s) {
- writer.write(s);
- setLastNonTriviaPosition(s, /*force*/ false);
- }
- function writeComment(s) {
- writer.writeComment(s);
- }
- function writeKeyword(s) {
- writer.writeKeyword(s);
- setLastNonTriviaPosition(s, /*force*/ false);
- }
- function writeOperator(s) {
- writer.writeOperator(s);
- setLastNonTriviaPosition(s, /*force*/ false);
- }
- function writePunctuation(s) {
- writer.writePunctuation(s);
- setLastNonTriviaPosition(s, /*force*/ false);
- }
- function writeTrailingSemicolon(s) {
- writer.writeTrailingSemicolon(s);
- setLastNonTriviaPosition(s, /*force*/ false);
- }
- function writeParameter(s) {
- writer.writeParameter(s);
- setLastNonTriviaPosition(s, /*force*/ false);
- }
- function writeProperty(s) {
- writer.writeProperty(s);
- setLastNonTriviaPosition(s, /*force*/ false);
- }
- function writeSpace(s) {
- writer.writeSpace(s);
- setLastNonTriviaPosition(s, /*force*/ false);
- }
- function writeStringLiteral(s) {
- writer.writeStringLiteral(s);
- setLastNonTriviaPosition(s, /*force*/ false);
- }
- function writeSymbol(s, sym) {
- writer.writeSymbol(s, sym);
- setLastNonTriviaPosition(s, /*force*/ false);
- }
- function writeLine(force) {
- writer.writeLine(force);
- }
- function increaseIndent() {
- writer.increaseIndent();
- }
- function decreaseIndent() {
- writer.decreaseIndent();
- }
- function getText() {
- return writer.getText();
- }
- function rawWrite(s) {
- writer.rawWrite(s);
- setLastNonTriviaPosition(s, /*force*/ false);
- }
- function writeLiteral(s) {
- writer.writeLiteral(s);
- setLastNonTriviaPosition(s, /*force*/ true);
- }
- function getTextPos() {
- return writer.getTextPos();
- }
- function getLine() {
- return writer.getLine();
- }
- function getColumn() {
- return writer.getColumn();
- }
- function getIndent() {
- return writer.getIndent();
- }
- function isAtStartOfLine() {
- return writer.isAtStartOfLine();
- }
- function clear() {
- writer.clear();
- lastNonTriviaPosition = 0;
- }
- return {
- onEmitNode: onEmitNode,
- onBeforeEmitNodeArray: onBeforeEmitNodeArray,
- onAfterEmitNodeArray: onAfterEmitNodeArray,
- onBeforeEmitToken: onBeforeEmitToken,
- onAfterEmitToken: onAfterEmitToken,
- write: write,
- writeComment: writeComment,
- writeKeyword: writeKeyword,
- writeOperator: writeOperator,
- writePunctuation: writePunctuation,
- writeTrailingSemicolon: writeTrailingSemicolon,
- writeParameter: writeParameter,
- writeProperty: writeProperty,
- writeSpace: writeSpace,
- writeStringLiteral: writeStringLiteral,
- writeSymbol: writeSymbol,
- writeLine: writeLine,
- increaseIndent: increaseIndent,
- decreaseIndent: decreaseIndent,
- getText: getText,
- rawWrite: rawWrite,
- writeLiteral: writeLiteral,
- getTextPos: getTextPos,
- getLine: getLine,
- getColumn: getColumn,
- getIndent: getIndent,
- isAtStartOfLine: isAtStartOfLine,
- hasTrailingComment: function () { return writer.hasTrailingComment(); },
- hasTrailingWhitespace: function () { return writer.hasTrailingWhitespace(); },
- clear: clear
- };
- }
- function getInsertionPositionAtSourceFileTop(sourceFile) {
- var lastPrologue;
- for (var _i = 0, _a = sourceFile.statements; _i < _a.length; _i++) {
- var node = _a[_i];
- if (ts.isPrologueDirective(node)) {
- lastPrologue = node;
- }
- else {
- break;
- }
- }
- var position = 0;
- var text = sourceFile.text;
- if (lastPrologue) {
- position = lastPrologue.end;
- advancePastLineBreak();
- return position;
- }
- var shebang = ts.getShebang(text);
- if (shebang !== undefined) {
- position = shebang.length;
- advancePastLineBreak();
- }
- var ranges = ts.getLeadingCommentRanges(text, position);
- if (!ranges)
- return position;
- // Find the first attached comment to the first node and add before it
- var lastComment;
- var firstNodeLine;
- for (var _b = 0, ranges_1 = ranges; _b < ranges_1.length; _b++) {
- var range = ranges_1[_b];
- if (range.kind === 3 /* MultiLineCommentTrivia */) {
- if (ts.isPinnedComment(text, range.pos)) {
- lastComment = { range: range, pinnedOrTripleSlash: true };
- continue;
- }
- }
- else if (ts.isRecognizedTripleSlashComment(text, range.pos, range.end)) {
- lastComment = { range: range, pinnedOrTripleSlash: true };
- continue;
- }
- if (lastComment) {
- // Always insert after pinned or triple slash comments
- if (lastComment.pinnedOrTripleSlash)
- break;
- // There was a blank line between the last comment and this comment.
- // This comment is not part of the copyright comments
- var commentLine = sourceFile.getLineAndCharacterOfPosition(range.pos).line;
- var lastCommentEndLine = sourceFile.getLineAndCharacterOfPosition(lastComment.range.end).line;
- if (commentLine >= lastCommentEndLine + 2)
- break;
- }
- if (sourceFile.statements.length) {
- if (firstNodeLine === undefined)
- firstNodeLine = sourceFile.getLineAndCharacterOfPosition(sourceFile.statements[0].getStart()).line;
- var commentEndLine = sourceFile.getLineAndCharacterOfPosition(range.end).line;
- if (firstNodeLine < commentEndLine + 2)
- break;
- }
- lastComment = { range: range, pinnedOrTripleSlash: false };
- }
- if (lastComment) {
- position = lastComment.range.end;
- advancePastLineBreak();
- }
- return position;
- function advancePastLineBreak() {
- if (position < text.length) {
- var charCode = text.charCodeAt(position);
- if (ts.isLineBreak(charCode)) {
- position++;
- if (position < text.length && charCode === 13 /* carriageReturn */ && text.charCodeAt(position) === 10 /* lineFeed */) {
- position++;
- }
- }
- }
- }
- }
- function isValidLocationToAddComment(sourceFile, position) {
- return !ts.isInComment(sourceFile, position) && !ts.isInString(sourceFile, position) && !ts.isInTemplateString(sourceFile, position) && !ts.isInJSXText(sourceFile, position);
- }
- textChanges_3.isValidLocationToAddComment = isValidLocationToAddComment;
- function needSemicolonBetween(a, b) {
- return (ts.isPropertySignature(a) || ts.isPropertyDeclaration(a)) && ts.isClassOrTypeElement(b) && b.name.kind === 154 /* ComputedPropertyName */
- || ts.isStatementButNotDeclaration(a) && ts.isStatementButNotDeclaration(b); // TODO: only if b would start with a `(` or `[`
- }
- var deleteDeclaration;
- (function (deleteDeclaration_1) {
- function deleteDeclaration(changes, deletedNodesInLists, sourceFile, node) {
- switch (node.kind) {
- case 156 /* Parameter */: {
- var oldFunction = node.parent;
- if (ts.isArrowFunction(oldFunction) &&
- oldFunction.parameters.length === 1 &&
- !ts.findChildOfKind(oldFunction, 20 /* OpenParenToken */, sourceFile)) {
- // Lambdas with exactly one parameter are special because, after removal, there
- // must be an empty parameter list (i.e. `()`) and this won't necessarily be the
- // case if the parameter is simply removed (e.g. in `x => 1`).
- changes.replaceNodeWithText(sourceFile, node, "()");
- }
- else {
- deleteNodeInList(changes, deletedNodesInLists, sourceFile, node);
- }
- break;
- }
- case 254 /* ImportDeclaration */:
- case 253 /* ImportEqualsDeclaration */:
- var isFirstImport = sourceFile.imports.length && node === ts.first(sourceFile.imports).parent || node === ts.find(sourceFile.statements, ts.isAnyImportSyntax);
- // For first import, leave header comment in place, otherwise only delete JSDoc comments
- deleteNode(changes, sourceFile, node, { leadingTriviaOption: isFirstImport ? LeadingTriviaOption.Exclude : ts.hasJSDocNodes(node) ? LeadingTriviaOption.JSDoc : LeadingTriviaOption.StartLine });
- break;
- case 191 /* BindingElement */:
- var pattern = node.parent;
- var preserveComma = pattern.kind === 190 /* ArrayBindingPattern */ && node !== ts.last(pattern.elements);
- if (preserveComma) {
- deleteNode(changes, sourceFile, node);
- }
- else {
- deleteNodeInList(changes, deletedNodesInLists, sourceFile, node);
- }
- break;
- case 242 /* VariableDeclaration */:
- deleteVariableDeclaration(changes, deletedNodesInLists, sourceFile, node);
- break;
- case 155 /* TypeParameter */:
- deleteNodeInList(changes, deletedNodesInLists, sourceFile, node);
- break;
- case 258 /* ImportSpecifier */:
- var namedImports = node.parent;
- if (namedImports.elements.length === 1) {
- deleteImportBinding(changes, sourceFile, namedImports);
- }
- else {
- deleteNodeInList(changes, deletedNodesInLists, sourceFile, node);
- }
- break;
- case 256 /* NamespaceImport */:
- deleteImportBinding(changes, sourceFile, node);
- break;
- case 26 /* SemicolonToken */:
- deleteNode(changes, sourceFile, node, { trailingTriviaOption: TrailingTriviaOption.Exclude });
- break;
- case 94 /* FunctionKeyword */:
- deleteNode(changes, sourceFile, node, { leadingTriviaOption: LeadingTriviaOption.Exclude });
- break;
- case 245 /* ClassDeclaration */:
- case 244 /* FunctionDeclaration */:
- deleteNode(changes, sourceFile, node, { leadingTriviaOption: ts.hasJSDocNodes(node) ? LeadingTriviaOption.JSDoc : LeadingTriviaOption.StartLine });
- break;
- default:
- if (ts.isImportClause(node.parent) && node.parent.name === node) {
- deleteDefaultImport(changes, sourceFile, node.parent);
- }
- else if (ts.isCallExpression(node.parent) && ts.contains(node.parent.arguments, node)) {
- deleteNodeInList(changes, deletedNodesInLists, sourceFile, node);
- }
- else {
- deleteNode(changes, sourceFile, node);
- }
- }
- }
- deleteDeclaration_1.deleteDeclaration = deleteDeclaration;
- function deleteDefaultImport(changes, sourceFile, importClause) {
- if (!importClause.namedBindings) {
- // Delete the whole import
- deleteNode(changes, sourceFile, importClause.parent);
- }
- else {
- // import |d,| * as ns from './file'
- var start = importClause.name.getStart(sourceFile);
- var nextToken = ts.getTokenAtPosition(sourceFile, importClause.name.end);
- if (nextToken && nextToken.kind === 27 /* CommaToken */) {
- // shift first non-whitespace position after comma to the start position of the node
- var end = ts.skipTrivia(sourceFile.text, nextToken.end, /*stopAfterLineBreaks*/ false, /*stopAtComments*/ true);
- changes.deleteRange(sourceFile, { pos: start, end: end });
- }
- else {
- deleteNode(changes, sourceFile, importClause.name);
- }
- }
- }
- function deleteImportBinding(changes, sourceFile, node) {
- if (node.parent.name) {
- // Delete named imports while preserving the default import
- // import d|, * as ns| from './file'
- // import d|, { a }| from './file'
- var previousToken = ts.Debug.checkDefined(ts.getTokenAtPosition(sourceFile, node.pos - 1));
- changes.deleteRange(sourceFile, { pos: previousToken.getStart(sourceFile), end: node.end });
- }
- else {
- // Delete the entire import declaration
- // |import * as ns from './file'|
- // |import { a } from './file'|
- var importDecl = ts.getAncestor(node, 254 /* ImportDeclaration */);
- deleteNode(changes, sourceFile, importDecl);
- }
- }
- function deleteVariableDeclaration(changes, deletedNodesInLists, sourceFile, node) {
- var parent = node.parent;
- if (parent.kind === 280 /* CatchClause */) {
- // TODO: There's currently no unused diagnostic for this, could be a suggestion
- changes.deleteNodeRange(sourceFile, ts.findChildOfKind(parent, 20 /* OpenParenToken */, sourceFile), ts.findChildOfKind(parent, 21 /* CloseParenToken */, sourceFile));
- return;
- }
- if (parent.declarations.length !== 1) {
- deleteNodeInList(changes, deletedNodesInLists, sourceFile, node);
- return;
- }
- var gp = parent.parent;
- switch (gp.kind) {
- case 232 /* ForOfStatement */:
- case 231 /* ForInStatement */:
- changes.replaceNode(sourceFile, node, ts.createObjectLiteral());
- break;
- case 230 /* ForStatement */:
- deleteNode(changes, sourceFile, parent);
- break;
- case 225 /* VariableStatement */:
- deleteNode(changes, sourceFile, gp, { leadingTriviaOption: ts.hasJSDocNodes(gp) ? LeadingTriviaOption.JSDoc : LeadingTriviaOption.StartLine });
- break;
- default:
- ts.Debug.assertNever(gp);
- }
- }
- })(deleteDeclaration || (deleteDeclaration = {}));
- /** Warning: This deletes comments too. See `copyComments` in `convertFunctionToEs6Class`. */
- // Exported for tests only! (TODO: improve tests to not need this)
- function deleteNode(changes, sourceFile, node, options) {
- if (options === void 0) { options = { leadingTriviaOption: LeadingTriviaOption.IncludeAll }; }
- var startPosition = getAdjustedStartPosition(sourceFile, node, options);
- var endPosition = getAdjustedEndPosition(sourceFile, node, options);
- changes.deleteRange(sourceFile, { pos: startPosition, end: endPosition });
- }
- textChanges_3.deleteNode = deleteNode;
- function deleteNodeInList(changes, deletedNodesInLists, sourceFile, node) {
- var containingList = ts.Debug.checkDefined(ts.formatting.SmartIndenter.getContainingList(node, sourceFile));
- var index = ts.indexOfNode(containingList, node);
- ts.Debug.assert(index !== -1);
- if (containingList.length === 1) {
- deleteNode(changes, sourceFile, node);
- return;
- }
- // Note: We will only delete a comma *after* a node. This will leave a trailing comma if we delete the last node.
- // That's handled in the end by `finishTrailingCommaAfterDeletingNodesInList`.
- ts.Debug.assert(!deletedNodesInLists.has(node), "Deleting a node twice");
- deletedNodesInLists.add(node);
- changes.deleteRange(sourceFile, {
- pos: startPositionToDeleteNodeInList(sourceFile, node),
- end: index === containingList.length - 1 ? getAdjustedEndPosition(sourceFile, node, {}) : startPositionToDeleteNodeInList(sourceFile, containingList[index + 1]),
- });
- }
- })(textChanges = ts.textChanges || (ts.textChanges = {}));
-})(ts || (ts = {}));
-/* @internal */
-var ts;
-(function (ts) {
- var codefix;
- (function (codefix) {
- var errorCodeToFixes = ts.createMultiMap();
- var fixIdToRegistration = ts.createMap();
- function diagnosticToString(diag) {
- return ts.isArray(diag)
- ? ts.formatStringFromArgs(ts.getLocaleSpecificMessage(diag[0]), diag.slice(1))
- : ts.getLocaleSpecificMessage(diag);
- }
- function createCodeFixActionWithoutFixAll(fixName, changes, description) {
- return createCodeFixActionWorker(fixName, diagnosticToString(description), changes, /*fixId*/ undefined, /*fixAllDescription*/ undefined);
- }
- codefix.createCodeFixActionWithoutFixAll = createCodeFixActionWithoutFixAll;
- function createCodeFixAction(fixName, changes, description, fixId, fixAllDescription, command) {
- return createCodeFixActionWorker(fixName, diagnosticToString(description), changes, fixId, diagnosticToString(fixAllDescription), command);
- }
- codefix.createCodeFixAction = createCodeFixAction;
- function createCodeFixActionWorker(fixName, description, changes, fixId, fixAllDescription, command) {
- return { fixName: fixName, description: description, changes: changes, fixId: fixId, fixAllDescription: fixAllDescription, commands: command ? [command] : undefined };
- }
- function registerCodeFix(reg) {
- for (var _i = 0, _a = reg.errorCodes; _i < _a.length; _i++) {
- var error = _a[_i];
- errorCodeToFixes.add(String(error), reg);
- }
- if (reg.fixIds) {
- for (var _b = 0, _c = reg.fixIds; _b < _c.length; _b++) {
- var fixId = _c[_b];
- ts.Debug.assert(!fixIdToRegistration.has(fixId));
- fixIdToRegistration.set(fixId, reg);
- }
- }
- }
- codefix.registerCodeFix = registerCodeFix;
- function getSupportedErrorCodes() {
- return ts.arrayFrom(errorCodeToFixes.keys());
- }
- codefix.getSupportedErrorCodes = getSupportedErrorCodes;
- function removeFixIdIfFixAllUnavailable(registration, diagnostics) {
- var errorCodes = registration.errorCodes;
- var maybeFixableDiagnostics = 0;
- for (var _i = 0, diagnostics_1 = diagnostics; _i < diagnostics_1.length; _i++) {
- var diag = diagnostics_1[_i];
- if (ts.contains(errorCodes, diag.code))
- maybeFixableDiagnostics++;
- if (maybeFixableDiagnostics > 1)
- break;
- }
- var fixAllUnavailable = maybeFixableDiagnostics < 2;
- return function (_a) {
- var fixId = _a.fixId, fixAllDescription = _a.fixAllDescription, action = __rest(_a, ["fixId", "fixAllDescription"]);
- return fixAllUnavailable ? action : __assign(__assign({}, action), { fixId: fixId, fixAllDescription: fixAllDescription });
- };
- }
- function getFixes(context) {
- var diagnostics = getDiagnostics(context);
- var registrations = errorCodeToFixes.get(String(context.errorCode));
- return ts.flatMap(registrations, function (f) { return ts.map(f.getCodeActions(context), removeFixIdIfFixAllUnavailable(f, diagnostics)); });
- }
- codefix.getFixes = getFixes;
- function getAllFixes(context) {
- // Currently fixId is always a string.
- return fixIdToRegistration.get(ts.cast(context.fixId, ts.isString)).getAllCodeActions(context);
- }
- codefix.getAllFixes = getAllFixes;
- function createCombinedCodeActions(changes, commands) {
- return { changes: changes, commands: commands };
- }
- codefix.createCombinedCodeActions = createCombinedCodeActions;
- function createFileTextChanges(fileName, textChanges) {
- return { fileName: fileName, textChanges: textChanges };
- }
- codefix.createFileTextChanges = createFileTextChanges;
- function codeFixAll(context, errorCodes, use) {
- var commands = [];
- var changes = ts.textChanges.ChangeTracker.with(context, function (t) { return eachDiagnostic(context, errorCodes, function (diag) { return use(t, diag, commands); }); });
- return createCombinedCodeActions(changes, commands.length === 0 ? undefined : commands);
- }
- codefix.codeFixAll = codeFixAll;
- function eachDiagnostic(context, errorCodes, cb) {
- for (var _i = 0, _a = getDiagnostics(context); _i < _a.length; _i++) {
- var diag = _a[_i];
- if (ts.contains(errorCodes, diag.code)) {
- cb(diag);
- }
- }
- }
- codefix.eachDiagnostic = eachDiagnostic;
- function getDiagnostics(_a) {
- var program = _a.program, sourceFile = _a.sourceFile, cancellationToken = _a.cancellationToken;
- return __spreadArrays(program.getSemanticDiagnostics(sourceFile, cancellationToken), program.getSyntacticDiagnostics(sourceFile, cancellationToken), ts.computeSuggestionDiagnostics(sourceFile, program, cancellationToken));
- }
- })(codefix = ts.codefix || (ts.codefix = {}));
-})(ts || (ts = {}));
-/* @internal */
-var ts;
-(function (ts) {
- var refactor;
- (function (refactor_1) {
- // A map with the refactor code as key, the refactor itself as value
- // e.g. nonSuggestableRefactors[refactorCode] -> the refactor you want
- var refactors = ts.createMap();
- /** @param name An unique code associated with each refactor. Does not have to be human-readable. */
- function registerRefactor(name, refactor) {
- refactors.set(name, refactor);
- }
- refactor_1.registerRefactor = registerRefactor;
- function getApplicableRefactors(context) {
- return ts.arrayFrom(ts.flatMapIterator(refactors.values(), function (refactor) {
- return context.cancellationToken && context.cancellationToken.isCancellationRequested() ? undefined : refactor.getAvailableActions(context);
- }));
- }
- refactor_1.getApplicableRefactors = getApplicableRefactors;
- function getEditsForRefactor(context, refactorName, actionName) {
- var refactor = refactors.get(refactorName);
- return refactor && refactor.getEditsForAction(context, actionName);
- }
- refactor_1.getEditsForRefactor = getEditsForRefactor;
- })(refactor = ts.refactor || (ts.refactor = {}));
-})(ts || (ts = {}));
-/* @internal */
-var ts;
-(function (ts) {
- var codefix;
- (function (codefix) {
- var fixId = "addConvertToUnknownForNonOverlappingTypes";
- var errorCodes = [ts.Diagnostics.Conversion_of_type_0_to_type_1_may_be_a_mistake_because_neither_type_sufficiently_overlaps_with_the_other_If_this_was_intentional_convert_the_expression_to_unknown_first.code];
- codefix.registerCodeFix({
- errorCodes: errorCodes,
- getCodeActions: function (context) {
- var changes = ts.textChanges.ChangeTracker.with(context, function (t) { return makeChange(t, context.sourceFile, context.span.start); });
- return [codefix.createCodeFixAction(fixId, changes, ts.Diagnostics.Add_unknown_conversion_for_non_overlapping_types, fixId, ts.Diagnostics.Add_unknown_to_all_conversions_of_non_overlapping_types)];
- },
- fixIds: [fixId],
- getAllCodeActions: function (context) { return codefix.codeFixAll(context, errorCodes, function (changes, diag) { return makeChange(changes, diag.file, diag.start); }); },
- });
- function makeChange(changeTracker, sourceFile, pos) {
- var token = ts.getTokenAtPosition(sourceFile, pos);
- var assertion = ts.Debug.checkDefined(ts.findAncestor(token, function (n) { return ts.isAsExpression(n) || ts.isTypeAssertion(n); }), "Expected to find an assertion expression");
- var replacement = ts.isAsExpression(assertion)
- ? ts.createAsExpression(assertion.expression, ts.createKeywordTypeNode(148 /* UnknownKeyword */))
- : ts.createTypeAssertion(ts.createKeywordTypeNode(148 /* UnknownKeyword */), assertion.expression);
- changeTracker.replaceNode(sourceFile, assertion.expression, replacement);
- }
- })(codefix = ts.codefix || (ts.codefix = {}));
-})(ts || (ts = {}));
-/* @internal */
-var ts;
-(function (ts) {
- var codefix;
- (function (codefix) {
- codefix.registerCodeFix({
- errorCodes: [ts.Diagnostics.await_expressions_are_only_allowed_at_the_top_level_of_a_file_when_that_file_is_a_module_but_this_file_has_no_imports_or_exports_Consider_adding_an_empty_export_to_make_this_file_a_module.code],
- getCodeActions: function (context) {
- var sourceFile = context.sourceFile;
- var changes = ts.textChanges.ChangeTracker.with(context, function (changes) {
- var exportDeclaration = ts.createExportDeclaration(
- /*decorators*/ undefined,
- /*modifiers*/ undefined, ts.createNamedExports([]),
- /*moduleSpecifier*/ undefined,
- /*isTypeOnly*/ false);
- changes.insertNodeAtEndOfScope(sourceFile, sourceFile, exportDeclaration);
- });
- return [codefix.createCodeFixActionWithoutFixAll("addEmptyExportDeclaration", changes, ts.Diagnostics.Add_export_to_make_this_file_into_a_module)];
- },
- });
- })(codefix = ts.codefix || (ts.codefix = {}));
-})(ts || (ts = {}));
-/* @internal */
-var ts;
-(function (ts) {
- var codefix;
- (function (codefix) {
- var fixId = "addMissingAsync";
- var errorCodes = [
- ts.Diagnostics.Argument_of_type_0_is_not_assignable_to_parameter_of_type_1.code,
- ts.Diagnostics.Type_0_is_not_assignable_to_type_1.code,
- ts.Diagnostics.Type_0_is_not_comparable_to_type_1.code
- ];
- codefix.registerCodeFix({
- fixIds: [fixId],
- errorCodes: errorCodes,
- getCodeActions: function (context) {
- var sourceFile = context.sourceFile, errorCode = context.errorCode, cancellationToken = context.cancellationToken, program = context.program, span = context.span;
- var diagnostic = ts.find(program.getDiagnosticsProducingTypeChecker().getDiagnostics(sourceFile, cancellationToken), getIsMatchingAsyncError(span, errorCode));
- var directSpan = diagnostic && diagnostic.relatedInformation && ts.find(diagnostic.relatedInformation, function (r) { return r.code === ts.Diagnostics.Did_you_mean_to_mark_this_function_as_async.code; });
- var decl = getFixableErrorSpanDeclaration(sourceFile, directSpan);
- if (!decl) {
- return;
- }
- var trackChanges = function (cb) { return ts.textChanges.ChangeTracker.with(context, cb); };
- return [getFix(context, decl, trackChanges)];
- },
- getAllCodeActions: function (context) {
- var sourceFile = context.sourceFile;
- var fixedDeclarations = ts.createMap();
- return codefix.codeFixAll(context, errorCodes, function (t, diagnostic) {
- var span = diagnostic.relatedInformation && ts.find(diagnostic.relatedInformation, function (r) { return r.code === ts.Diagnostics.Did_you_mean_to_mark_this_function_as_async.code; });
- var decl = getFixableErrorSpanDeclaration(sourceFile, span);
- if (!decl) {
- return;
- }
- var trackChanges = function (cb) { return (cb(t), []); };
- return getFix(context, decl, trackChanges, fixedDeclarations);
- });
- },
- });
- function getFix(context, decl, trackChanges, fixedDeclarations) {
- var changes = trackChanges(function (t) { return makeChange(t, context.sourceFile, decl, fixedDeclarations); });
- return codefix.createCodeFixAction(fixId, changes, ts.Diagnostics.Add_async_modifier_to_containing_function, fixId, ts.Diagnostics.Add_all_missing_async_modifiers);
- }
- function makeChange(changeTracker, sourceFile, insertionSite, fixedDeclarations) {
- if (fixedDeclarations) {
- if (fixedDeclarations.has(ts.getNodeId(insertionSite).toString())) {
- return;
- }
- }
- fixedDeclarations === null || fixedDeclarations === void 0 ? void 0 : fixedDeclarations.set(ts.getNodeId(insertionSite).toString(), true);
- var cloneWithModifier = ts.getSynthesizedDeepClone(insertionSite, /*includeTrivia*/ true);
- cloneWithModifier.modifiers = ts.createNodeArray(ts.createModifiersFromModifierFlags(ts.getModifierFlags(insertionSite) | 256 /* Async */));
- cloneWithModifier.modifierFlagsCache = 0;
- changeTracker.replaceNode(sourceFile, insertionSite, cloneWithModifier);
- }
- function getFixableErrorSpanDeclaration(sourceFile, span) {
- if (!span)
- return undefined;
- var token = ts.getTokenAtPosition(sourceFile, span.start);
- // Checker has already done work to determine that async might be possible, and has attached
- // related info to the node, so start by finding the signature that exactly matches up
- // with the diagnostic range.
- var decl = ts.findAncestor(token, function (node) {
- if (node.getStart(sourceFile) < span.start || node.getEnd() > ts.textSpanEnd(span)) {
- return "quit";
- }
- return (ts.isArrowFunction(node) || ts.isMethodDeclaration(node) || ts.isFunctionExpression(node) || ts.isFunctionDeclaration(node)) && ts.textSpansEqual(span, ts.createTextSpanFromNode(node, sourceFile));
- });
- return decl;
- }
- function getIsMatchingAsyncError(span, errorCode) {
- return function (_a) {
- var start = _a.start, length = _a.length, relatedInformation = _a.relatedInformation, code = _a.code;
- return ts.isNumber(start) && ts.isNumber(length) && ts.textSpansEqual({ start: start, length: length }, span) &&
- code === errorCode &&
- !!relatedInformation &&
- ts.some(relatedInformation, function (related) { return related.code === ts.Diagnostics.Did_you_mean_to_mark_this_function_as_async.code; });
- };
- }
- })(codefix = ts.codefix || (ts.codefix = {}));
-})(ts || (ts = {}));
-/* @internal */
-var ts;
-(function (ts) {
- var codefix;
- (function (codefix) {
- var fixId = "addMissingAwait";
- var propertyAccessCode = ts.Diagnostics.Property_0_does_not_exist_on_type_1.code;
- var callableConstructableErrorCodes = [
- ts.Diagnostics.This_expression_is_not_callable.code,
- ts.Diagnostics.This_expression_is_not_constructable.code,
- ];
- var errorCodes = __spreadArrays([
- ts.Diagnostics.An_arithmetic_operand_must_be_of_type_any_number_bigint_or_an_enum_type.code,
- ts.Diagnostics.The_left_hand_side_of_an_arithmetic_operation_must_be_of_type_any_number_bigint_or_an_enum_type.code,
- ts.Diagnostics.The_right_hand_side_of_an_arithmetic_operation_must_be_of_type_any_number_bigint_or_an_enum_type.code,
- ts.Diagnostics.Operator_0_cannot_be_applied_to_type_1.code,
- ts.Diagnostics.Operator_0_cannot_be_applied_to_types_1_and_2.code,
- ts.Diagnostics.This_condition_will_always_return_0_since_the_types_1_and_2_have_no_overlap.code,
- ts.Diagnostics.Type_0_is_not_an_array_type.code,
- ts.Diagnostics.Type_0_is_not_an_array_type_or_a_string_type.code,
- ts.Diagnostics.Type_0_is_not_an_array_type_or_a_string_type_Use_compiler_option_downlevelIteration_to_allow_iterating_of_iterators.code,
- ts.Diagnostics.Type_0_is_not_an_array_type_or_a_string_type_or_does_not_have_a_Symbol_iterator_method_that_returns_an_iterator.code,
- ts.Diagnostics.Type_0_is_not_an_array_type_or_does_not_have_a_Symbol_iterator_method_that_returns_an_iterator.code,
- ts.Diagnostics.Type_0_must_have_a_Symbol_iterator_method_that_returns_an_iterator.code,
- ts.Diagnostics.Type_0_must_have_a_Symbol_asyncIterator_method_that_returns_an_async_iterator.code,
- ts.Diagnostics.Argument_of_type_0_is_not_assignable_to_parameter_of_type_1.code,
- propertyAccessCode
- ], callableConstructableErrorCodes);
- codefix.registerCodeFix({
- fixIds: [fixId],
- errorCodes: errorCodes,
- getCodeActions: function (context) {
- var sourceFile = context.sourceFile, errorCode = context.errorCode, span = context.span, cancellationToken = context.cancellationToken, program = context.program;
- var expression = getFixableErrorSpanExpression(sourceFile, errorCode, span, cancellationToken, program);
- if (!expression) {
- return;
- }
- var checker = context.program.getTypeChecker();
- var trackChanges = function (cb) { return ts.textChanges.ChangeTracker.with(context, cb); };
- return ts.compact([
- getDeclarationSiteFix(context, expression, errorCode, checker, trackChanges),
- getUseSiteFix(context, expression, errorCode, checker, trackChanges)
- ]);
- },
- getAllCodeActions: function (context) {
- var sourceFile = context.sourceFile, program = context.program, cancellationToken = context.cancellationToken;
- var checker = context.program.getTypeChecker();
- var fixedDeclarations = ts.createMap();
- return codefix.codeFixAll(context, errorCodes, function (t, diagnostic) {
- var expression = getFixableErrorSpanExpression(sourceFile, diagnostic.code, diagnostic, cancellationToken, program);
- if (!expression) {
- return;
- }
- var trackChanges = function (cb) { return (cb(t), []); };
- return getDeclarationSiteFix(context, expression, diagnostic.code, checker, trackChanges, fixedDeclarations)
- || getUseSiteFix(context, expression, diagnostic.code, checker, trackChanges, fixedDeclarations);
- });
- },
- });
- function getDeclarationSiteFix(context, expression, errorCode, checker, trackChanges, fixedDeclarations) {
- var sourceFile = context.sourceFile, program = context.program, cancellationToken = context.cancellationToken;
- var awaitableInitializers = findAwaitableInitializers(expression, sourceFile, cancellationToken, program, checker);
- if (awaitableInitializers) {
- var initializerChanges = trackChanges(function (t) {
- ts.forEach(awaitableInitializers.initializers, function (_a) {
- var expression = _a.expression;
- return makeChange(t, errorCode, sourceFile, checker, expression, fixedDeclarations);
- });
- if (fixedDeclarations && awaitableInitializers.needsSecondPassForFixAll) {
- makeChange(t, errorCode, sourceFile, checker, expression, fixedDeclarations);
- }
- });
- // No fix-all because it will already be included once with the use site fix,
- // and for simplicity the fix-all doesn‘t let the user choose between use-site and declaration-site fixes.
- return codefix.createCodeFixActionWithoutFixAll("addMissingAwaitToInitializer", initializerChanges, awaitableInitializers.initializers.length === 1
- ? [ts.Diagnostics.Add_await_to_initializer_for_0, awaitableInitializers.initializers[0].declarationSymbol.name]
- : ts.Diagnostics.Add_await_to_initializers);
- }
- }
- function getUseSiteFix(context, expression, errorCode, checker, trackChanges, fixedDeclarations) {
- var changes = trackChanges(function (t) { return makeChange(t, errorCode, context.sourceFile, checker, expression, fixedDeclarations); });
- return codefix.createCodeFixAction(fixId, changes, ts.Diagnostics.Add_await, fixId, ts.Diagnostics.Fix_all_expressions_possibly_missing_await);
- }
- function isMissingAwaitError(sourceFile, errorCode, span, cancellationToken, program) {
- var checker = program.getDiagnosticsProducingTypeChecker();
- var diagnostics = checker.getDiagnostics(sourceFile, cancellationToken);
- return ts.some(diagnostics, function (_a) {
- var start = _a.start, length = _a.length, relatedInformation = _a.relatedInformation, code = _a.code;
- return ts.isNumber(start) && ts.isNumber(length) && ts.textSpansEqual({ start: start, length: length }, span) &&
- code === errorCode &&
- !!relatedInformation &&
- ts.some(relatedInformation, function (related) { return related.code === ts.Diagnostics.Did_you_forget_to_use_await.code; });
- });
- }
- function getFixableErrorSpanExpression(sourceFile, errorCode, span, cancellationToken, program) {
- var token = ts.getTokenAtPosition(sourceFile, span.start);
- // Checker has already done work to determine that await might be possible, and has attached
- // related info to the node, so start by finding the expression that exactly matches up
- // with the diagnostic range.
- var expression = ts.findAncestor(token, function (node) {
- if (node.getStart(sourceFile) < span.start || node.getEnd() > ts.textSpanEnd(span)) {
- return "quit";
- }
- return ts.isExpression(node) && ts.textSpansEqual(span, ts.createTextSpanFromNode(node, sourceFile));
- });
- return expression
- && isMissingAwaitError(sourceFile, errorCode, span, cancellationToken, program)
- && isInsideAwaitableBody(expression) ? expression : undefined;
- }
- function findAwaitableInitializers(expression, sourceFile, cancellationToken, program, checker) {
- var identifiers = getIdentifiersFromErrorSpanExpression(expression, checker);
- if (!identifiers) {
- return;
- }
- var isCompleteFix = identifiers.isCompleteFix;
- var initializers;
- var _loop_11 = function (identifier) {
- var symbol = checker.getSymbolAtLocation(identifier);
- if (!symbol) {
- return "continue";
- }
- var declaration = ts.tryCast(symbol.valueDeclaration, ts.isVariableDeclaration);
- var variableName = declaration && ts.tryCast(declaration.name, ts.isIdentifier);
- var variableStatement = ts.getAncestor(declaration, 225 /* VariableStatement */);
- if (!declaration || !variableStatement ||
- declaration.type ||
- !declaration.initializer ||
- variableStatement.getSourceFile() !== sourceFile ||
- ts.hasModifier(variableStatement, 1 /* Export */) ||
- !variableName ||
- !isInsideAwaitableBody(declaration.initializer)) {
- isCompleteFix = false;
- return "continue";
- }
- var diagnostics = program.getSemanticDiagnostics(sourceFile, cancellationToken);
- var isUsedElsewhere = ts.FindAllReferences.Core.eachSymbolReferenceInFile(variableName, checker, sourceFile, function (reference) {
- return identifier !== reference && !symbolReferenceIsAlsoMissingAwait(reference, diagnostics, sourceFile, checker);
- });
- if (isUsedElsewhere) {
- isCompleteFix = false;
- return "continue";
- }
- (initializers || (initializers = [])).push({
- expression: declaration.initializer,
- declarationSymbol: symbol,
- });
- };
- for (var _i = 0, _a = identifiers.identifiers; _i < _a.length; _i++) {
- var identifier = _a[_i];
- _loop_11(identifier);
- }
- return initializers && {
- initializers: initializers,
- needsSecondPassForFixAll: !isCompleteFix,
- };
- }
- function getIdentifiersFromErrorSpanExpression(expression, checker) {
- if (ts.isPropertyAccessExpression(expression.parent) && ts.isIdentifier(expression.parent.expression)) {
- return { identifiers: [expression.parent.expression], isCompleteFix: true };
- }
- if (ts.isIdentifier(expression)) {
- return { identifiers: [expression], isCompleteFix: true };
- }
- if (ts.isBinaryExpression(expression)) {
- var sides = void 0;
- var isCompleteFix = true;
- for (var _i = 0, _a = [expression.left, expression.right]; _i < _a.length; _i++) {
- var side = _a[_i];
- var type = checker.getTypeAtLocation(side);
- if (checker.getPromisedTypeOfPromise(type)) {
- if (!ts.isIdentifier(side)) {
- isCompleteFix = false;
- continue;
- }
- (sides || (sides = [])).push(side);
- }
- }
- return sides && { identifiers: sides, isCompleteFix: isCompleteFix };
- }
- }
- function symbolReferenceIsAlsoMissingAwait(reference, diagnostics, sourceFile, checker) {
- var errorNode = ts.isPropertyAccessExpression(reference.parent) ? reference.parent.name :
- ts.isBinaryExpression(reference.parent) ? reference.parent :
- reference;
- var diagnostic = ts.find(diagnostics, function (diagnostic) {
- return diagnostic.start === errorNode.getStart(sourceFile) &&
- (diagnostic.start + diagnostic.length) === errorNode.getEnd();
- });
- return diagnostic && ts.contains(errorCodes, diagnostic.code) ||
- // A Promise is usually not correct in a binary expression (it’s not valid
- // in an arithmetic expression and an equality comparison seems unusual),
- // but if the other side of the binary expression has an error, the side
- // is typed `any` which will squash the error that would identify this
- // Promise as an invalid operand. So if the whole binary expression is
- // typed `any` as a result, there is a strong likelihood that this Promise
- // is accidentally missing `await`.
- checker.getTypeAtLocation(errorNode).flags & 1 /* Any */;
- }
- function isInsideAwaitableBody(node) {
- return node.kind & 32768 /* AwaitContext */ || !!ts.findAncestor(node, function (ancestor) {
- return ancestor.parent && ts.isArrowFunction(ancestor.parent) && ancestor.parent.body === ancestor ||
- ts.isBlock(ancestor) && (ancestor.parent.kind === 244 /* FunctionDeclaration */ ||
- ancestor.parent.kind === 201 /* FunctionExpression */ ||
- ancestor.parent.kind === 202 /* ArrowFunction */ ||
- ancestor.parent.kind === 161 /* MethodDeclaration */);
- });
- }
- function makeChange(changeTracker, errorCode, sourceFile, checker, insertionSite, fixedDeclarations) {
- if (ts.isBinaryExpression(insertionSite)) {
- for (var _i = 0, _a = [insertionSite.left, insertionSite.right]; _i < _a.length; _i++) {
- var side = _a[_i];
- if (fixedDeclarations && ts.isIdentifier(side)) {
- var symbol = checker.getSymbolAtLocation(side);
- if (symbol && fixedDeclarations.has(ts.getSymbolId(symbol).toString())) {
- continue;
- }
- }
- var type = checker.getTypeAtLocation(side);
- var newNode = checker.getPromisedTypeOfPromise(type) ? ts.createAwait(side) : side;
- changeTracker.replaceNode(sourceFile, side, newNode);
- }
- }
- else if (errorCode === propertyAccessCode && ts.isPropertyAccessExpression(insertionSite.parent)) {
- if (fixedDeclarations && ts.isIdentifier(insertionSite.parent.expression)) {
- var symbol = checker.getSymbolAtLocation(insertionSite.parent.expression);
- if (symbol && fixedDeclarations.has(ts.getSymbolId(symbol).toString())) {
- return;
- }
- }
- changeTracker.replaceNode(sourceFile, insertionSite.parent.expression, ts.createParen(ts.createAwait(insertionSite.parent.expression)));
- insertLeadingSemicolonIfNeeded(changeTracker, insertionSite.parent.expression, sourceFile);
- }
- else if (ts.contains(callableConstructableErrorCodes, errorCode) && ts.isCallOrNewExpression(insertionSite.parent)) {
- if (fixedDeclarations && ts.isIdentifier(insertionSite)) {
- var symbol = checker.getSymbolAtLocation(insertionSite);
- if (symbol && fixedDeclarations.has(ts.getSymbolId(symbol).toString())) {
- return;
- }
- }
- changeTracker.replaceNode(sourceFile, insertionSite, ts.createParen(ts.createAwait(insertionSite)));
- insertLeadingSemicolonIfNeeded(changeTracker, insertionSite, sourceFile);
- }
- else {
- if (fixedDeclarations && ts.isVariableDeclaration(insertionSite.parent) && ts.isIdentifier(insertionSite.parent.name)) {
- var symbol = checker.getSymbolAtLocation(insertionSite.parent.name);
- if (symbol && !ts.addToSeen(fixedDeclarations, ts.getSymbolId(symbol))) {
- return;
- }
- }
- changeTracker.replaceNode(sourceFile, insertionSite, ts.createAwait(insertionSite));
- }
- }
- function insertLeadingSemicolonIfNeeded(changeTracker, beforeNode, sourceFile) {
- var precedingToken = ts.findPrecedingToken(beforeNode.pos, sourceFile);
- if (precedingToken && ts.positionIsASICandidate(precedingToken.end, precedingToken.parent, sourceFile)) {
- changeTracker.insertText(sourceFile, beforeNode.getStart(sourceFile), ";");
- }
- }
- })(codefix = ts.codefix || (ts.codefix = {}));
-})(ts || (ts = {}));
-/* @internal */
-var ts;
-(function (ts) {
- var codefix;
- (function (codefix) {
- var fixId = "addMissingConst";
- var errorCodes = [
- ts.Diagnostics.Cannot_find_name_0.code,
- ts.Diagnostics.No_value_exists_in_scope_for_the_shorthand_property_0_Either_declare_one_or_provide_an_initializer.code
- ];
- codefix.registerCodeFix({
- errorCodes: errorCodes,
- getCodeActions: function (context) {
- var changes = ts.textChanges.ChangeTracker.with(context, function (t) { return makeChange(t, context.sourceFile, context.span.start, context.program); });
- if (changes.length > 0) {
- return [codefix.createCodeFixAction(fixId, changes, ts.Diagnostics.Add_const_to_unresolved_variable, fixId, ts.Diagnostics.Add_const_to_all_unresolved_variables)];
- }
- },
- fixIds: [fixId],
- getAllCodeActions: function (context) {
- var fixedNodes = new ts.NodeSet();
- return codefix.codeFixAll(context, errorCodes, function (changes, diag) { return makeChange(changes, diag.file, diag.start, context.program, fixedNodes); });
- },
- });
- function makeChange(changeTracker, sourceFile, pos, program, fixedNodes) {
- var token = ts.getTokenAtPosition(sourceFile, pos);
- var forInitializer = ts.findAncestor(token, function (node) {
- return ts.isForInOrOfStatement(node.parent) ? node.parent.initializer === node :
- isPossiblyPartOfDestructuring(node) ? false : "quit";
- });
- if (forInitializer)
- return applyChange(changeTracker, forInitializer, sourceFile, fixedNodes);
- var parent = token.parent;
- if (ts.isBinaryExpression(parent) && parent.operatorToken.kind === 62 /* EqualsToken */ && ts.isExpressionStatement(parent.parent)) {
- return applyChange(changeTracker, token, sourceFile, fixedNodes);
- }
- if (ts.isArrayLiteralExpression(parent)) {
- var checker_1 = program.getTypeChecker();
- if (!ts.every(parent.elements, function (element) { return arrayElementCouldBeVariableDeclaration(element, checker_1); })) {
- return;
- }
- return applyChange(changeTracker, parent, sourceFile, fixedNodes);
- }
- var commaExpression = ts.findAncestor(token, function (node) {
- return ts.isExpressionStatement(node.parent) ? true :
- isPossiblyPartOfCommaSeperatedInitializer(node) ? false : "quit";
- });
- if (commaExpression) {
- var checker = program.getTypeChecker();
- if (!expressionCouldBeVariableDeclaration(commaExpression, checker)) {
- return;
- }
- return applyChange(changeTracker, commaExpression, sourceFile, fixedNodes);
- }
- }
- function applyChange(changeTracker, initializer, sourceFile, fixedNodes) {
- if (!fixedNodes || fixedNodes.tryAdd(initializer)) {
- changeTracker.insertModifierBefore(sourceFile, 81 /* ConstKeyword */, initializer);
- }
- }
- function isPossiblyPartOfDestructuring(node) {
- switch (node.kind) {
- case 75 /* Identifier */:
- case 192 /* ArrayLiteralExpression */:
- case 193 /* ObjectLiteralExpression */:
- case 281 /* PropertyAssignment */:
- case 282 /* ShorthandPropertyAssignment */:
- return true;
- default:
- return false;
- }
- }
- function arrayElementCouldBeVariableDeclaration(expression, checker) {
- var identifier = ts.isIdentifier(expression) ? expression :
- ts.isAssignmentExpression(expression, /*excludeCompoundAssignment*/ true) && ts.isIdentifier(expression.left) ? expression.left :
- undefined;
- return !!identifier && !checker.getSymbolAtLocation(identifier);
- }
- function isPossiblyPartOfCommaSeperatedInitializer(node) {
- switch (node.kind) {
- case 75 /* Identifier */:
- case 209 /* BinaryExpression */:
- case 27 /* CommaToken */:
- return true;
- default:
- return false;
- }
- }
- function expressionCouldBeVariableDeclaration(expression, checker) {
- if (!ts.isBinaryExpression(expression)) {
- return false;
- }
- if (expression.operatorToken.kind === 27 /* CommaToken */) {
- return ts.every([expression.left, expression.right], function (expression) { return expressionCouldBeVariableDeclaration(expression, checker); });
- }
- return expression.operatorToken.kind === 62 /* EqualsToken */
- && ts.isIdentifier(expression.left)
- && !checker.getSymbolAtLocation(expression.left);
- }
- })(codefix = ts.codefix || (ts.codefix = {}));
-})(ts || (ts = {}));
-/* @internal */
-var ts;
-(function (ts) {
- var codefix;
- (function (codefix) {
- var fixId = "addMissingDeclareProperty";
- var errorCodes = [
- ts.Diagnostics.Property_0_will_overwrite_the_base_property_in_1_If_this_is_intentional_add_an_initializer_Otherwise_add_a_declare_modifier_or_remove_the_redundant_declaration.code,
- ];
- codefix.registerCodeFix({
- errorCodes: errorCodes,
- getCodeActions: function (context) {
- var changes = ts.textChanges.ChangeTracker.with(context, function (t) { return makeChange(t, context.sourceFile, context.span.start); });
- if (changes.length > 0) {
- return [codefix.createCodeFixAction(fixId, changes, ts.Diagnostics.Prefix_with_declare, fixId, ts.Diagnostics.Prefix_all_incorrect_property_declarations_with_declare)];
- }
- },
- fixIds: [fixId],
- getAllCodeActions: function (context) {
- var fixedNodes = new ts.NodeSet();
- return codefix.codeFixAll(context, errorCodes, function (changes, diag) { return makeChange(changes, diag.file, diag.start, fixedNodes); });
- },
- });
- function makeChange(changeTracker, sourceFile, pos, fixedNodes) {
- var token = ts.getTokenAtPosition(sourceFile, pos);
- if (!ts.isIdentifier(token)) {
- return;
- }
- var declaration = token.parent;
- if (declaration.kind === 159 /* PropertyDeclaration */ &&
- (!fixedNodes || fixedNodes.tryAdd(declaration))) {
- changeTracker.insertModifierBefore(sourceFile, 130 /* DeclareKeyword */, declaration);
- }
- }
- })(codefix = ts.codefix || (ts.codefix = {}));
-})(ts || (ts = {}));
-/* @internal */
-var ts;
-(function (ts) {
- var codefix;
- (function (codefix) {
- var fixId = "addMissingInvocationForDecorator";
- var errorCodes = [ts.Diagnostics._0_accepts_too_few_arguments_to_be_used_as_a_decorator_here_Did_you_mean_to_call_it_first_and_write_0.code];
- codefix.registerCodeFix({
- errorCodes: errorCodes,
- getCodeActions: function (context) {
- var changes = ts.textChanges.ChangeTracker.with(context, function (t) { return makeChange(t, context.sourceFile, context.span.start); });
- return [codefix.createCodeFixAction(fixId, changes, ts.Diagnostics.Call_decorator_expression, fixId, ts.Diagnostics.Add_to_all_uncalled_decorators)];
- },
- fixIds: [fixId],
- getAllCodeActions: function (context) { return codefix.codeFixAll(context, errorCodes, function (changes, diag) { return makeChange(changes, diag.file, diag.start); }); },
- });
- function makeChange(changeTracker, sourceFile, pos) {
- var token = ts.getTokenAtPosition(sourceFile, pos);
- var decorator = ts.findAncestor(token, ts.isDecorator);
- ts.Debug.assert(!!decorator, "Expected position to be owned by a decorator.");
- var replacement = ts.createCall(decorator.expression, /*typeArguments*/ undefined, /*argumentsArray*/ undefined);
- changeTracker.replaceNode(sourceFile, decorator.expression, replacement);
- }
- })(codefix = ts.codefix || (ts.codefix = {}));
-})(ts || (ts = {}));
-/* @internal */
-var ts;
-(function (ts) {
- var codefix;
- (function (codefix) {
- var fixId = "addNameToNamelessParameter";
- var errorCodes = [ts.Diagnostics.Parameter_has_a_name_but_no_type_Did_you_mean_0_Colon_1.code];
- codefix.registerCodeFix({
- errorCodes: errorCodes,
- getCodeActions: function (context) {
- var changes = ts.textChanges.ChangeTracker.with(context, function (t) { return makeChange(t, context.sourceFile, context.span.start); });
- return [codefix.createCodeFixAction(fixId, changes, ts.Diagnostics.Add_parameter_name, fixId, ts.Diagnostics.Add_names_to_all_parameters_without_names)];
- },
- fixIds: [fixId],
- getAllCodeActions: function (context) { return codefix.codeFixAll(context, errorCodes, function (changes, diag) { return makeChange(changes, diag.file, diag.start); }); },
- });
- function makeChange(changeTracker, sourceFile, pos) {
- var token = ts.getTokenAtPosition(sourceFile, pos);
- if (!ts.isIdentifier(token)) {
- return ts.Debug.fail("add-name-to-nameless-parameter operates on identifiers, but got a " + ts.Debug.formatSyntaxKind(token.kind));
- }
- var param = token.parent;
- if (!ts.isParameter(param)) {
- return ts.Debug.fail("Tried to add a parameter name to a non-parameter: " + ts.Debug.formatSyntaxKind(token.kind));
- }
- var i = param.parent.parameters.indexOf(param);
- ts.Debug.assert(!param.type, "Tried to add a parameter name to a parameter that already had one.");
- ts.Debug.assert(i > -1, "Parameter not found in parent parameter list.");
- var replacement = ts.createParameter(
- /*decorators*/ undefined, param.modifiers, param.dotDotDotToken, "arg" + i, param.questionToken, ts.createTypeReferenceNode(token, /*typeArguments*/ undefined), param.initializer);
- changeTracker.replaceNode(sourceFile, token, replacement);
- }
- })(codefix = ts.codefix || (ts.codefix = {}));
-})(ts || (ts = {}));
-/* @internal */
-var ts;
-(function (ts) {
- var codefix;
- (function (codefix) {
- var fixId = "annotateWithTypeFromJSDoc";
- var errorCodes = [ts.Diagnostics.JSDoc_types_may_be_moved_to_TypeScript_types.code];
- codefix.registerCodeFix({
- errorCodes: errorCodes,
- getCodeActions: function (context) {
- var decl = getDeclaration(context.sourceFile, context.span.start);
- if (!decl)
- return;
- var changes = ts.textChanges.ChangeTracker.with(context, function (t) { return doChange(t, context.sourceFile, decl); });
- return [codefix.createCodeFixAction(fixId, changes, ts.Diagnostics.Annotate_with_type_from_JSDoc, fixId, ts.Diagnostics.Annotate_everything_with_types_from_JSDoc)];
- },
- fixIds: [fixId],
- getAllCodeActions: function (context) { return codefix.codeFixAll(context, errorCodes, function (changes, diag) {
- var decl = getDeclaration(diag.file, diag.start);
- if (decl)
- doChange(changes, diag.file, decl);
- }); },
- });
- function getDeclaration(file, pos) {
- var name = ts.getTokenAtPosition(file, pos);
- // For an arrow function with no name, 'name' lands on the first parameter.
- return ts.tryCast(ts.isParameter(name.parent) ? name.parent.parent : name.parent, parameterShouldGetTypeFromJSDoc);
- }
- function parameterShouldGetTypeFromJSDoc(node) {
- return isDeclarationWithType(node) && hasUsableJSDoc(node);
- }
- codefix.parameterShouldGetTypeFromJSDoc = parameterShouldGetTypeFromJSDoc;
- function hasUsableJSDoc(decl) {
- return ts.isFunctionLikeDeclaration(decl)
- ? decl.parameters.some(hasUsableJSDoc) || (!decl.type && !!ts.getJSDocReturnType(decl))
- : !decl.type && !!ts.getJSDocType(decl);
- }
- function doChange(changes, sourceFile, decl) {
- if (ts.isFunctionLikeDeclaration(decl) && (ts.getJSDocReturnType(decl) || decl.parameters.some(function (p) { return !!ts.getJSDocType(p); }))) {
- if (!decl.typeParameters) {
- var typeParameters = ts.getJSDocTypeParameterDeclarations(decl);
- if (typeParameters.length)
- changes.insertTypeParameters(sourceFile, decl, typeParameters);
- }
- var needParens = ts.isArrowFunction(decl) && !ts.findChildOfKind(decl, 20 /* OpenParenToken */, sourceFile);
- if (needParens)
- changes.insertNodeBefore(sourceFile, ts.first(decl.parameters), ts.createToken(20 /* OpenParenToken */));
- for (var _i = 0, _a = decl.parameters; _i < _a.length; _i++) {
- var param = _a[_i];
- if (!param.type) {
- var paramType = ts.getJSDocType(param);
- if (paramType)
- changes.tryInsertTypeAnnotation(sourceFile, param, transformJSDocType(paramType));
- }
- }
- if (needParens)
- changes.insertNodeAfter(sourceFile, ts.last(decl.parameters), ts.createToken(21 /* CloseParenToken */));
- if (!decl.type) {
- var returnType = ts.getJSDocReturnType(decl);
- if (returnType)
- changes.tryInsertTypeAnnotation(sourceFile, decl, transformJSDocType(returnType));
- }
- }
- else {
- var jsdocType = ts.Debug.checkDefined(ts.getJSDocType(decl), "A JSDocType for this declaration should exist"); // If not defined, shouldn't have been an error to fix
- ts.Debug.assert(!decl.type, "The JSDocType decl should have a type"); // If defined, shouldn't have been an error to fix.
- changes.tryInsertTypeAnnotation(sourceFile, decl, transformJSDocType(jsdocType));
- }
- }
- function isDeclarationWithType(node) {
- return ts.isFunctionLikeDeclaration(node) ||
- node.kind === 242 /* VariableDeclaration */ ||
- node.kind === 158 /* PropertySignature */ ||
- node.kind === 159 /* PropertyDeclaration */;
- }
- function transformJSDocType(node) {
- switch (node.kind) {
- case 295 /* JSDocAllType */:
- case 296 /* JSDocUnknownType */:
- return ts.createTypeReferenceNode("any", ts.emptyArray);
- case 299 /* JSDocOptionalType */:
- return transformJSDocOptionalType(node);
- case 298 /* JSDocNonNullableType */:
- return transformJSDocType(node.type);
- case 297 /* JSDocNullableType */:
- return transformJSDocNullableType(node);
- case 301 /* JSDocVariadicType */:
- return transformJSDocVariadicType(node);
- case 300 /* JSDocFunctionType */:
- return transformJSDocFunctionType(node);
- case 169 /* TypeReference */:
- return transformJSDocTypeReference(node);
- default:
- var visited = ts.visitEachChild(node, transformJSDocType, /*context*/ undefined); // TODO: GH#18217
- ts.setEmitFlags(visited, 1 /* SingleLine */);
- return visited;
- }
- }
- function transformJSDocOptionalType(node) {
- return ts.createUnionTypeNode([ts.visitNode(node.type, transformJSDocType), ts.createTypeReferenceNode("undefined", ts.emptyArray)]);
- }
- function transformJSDocNullableType(node) {
- return ts.createUnionTypeNode([ts.visitNode(node.type, transformJSDocType), ts.createTypeReferenceNode("null", ts.emptyArray)]);
- }
- function transformJSDocVariadicType(node) {
- return ts.createArrayTypeNode(ts.visitNode(node.type, transformJSDocType));
- }
- function transformJSDocFunctionType(node) {
- return ts.createFunctionTypeNode(ts.emptyArray, node.parameters.map(transformJSDocParameter), node.type);
- }
- function transformJSDocParameter(node) {
- var index = node.parent.parameters.indexOf(node);
- var isRest = node.type.kind === 301 /* JSDocVariadicType */ && index === node.parent.parameters.length - 1; // TODO: GH#18217
- var name = node.name || (isRest ? "rest" : "arg" + index);
- var dotdotdot = isRest ? ts.createToken(25 /* DotDotDotToken */) : node.dotDotDotToken;
- return ts.createParameter(node.decorators, node.modifiers, dotdotdot, name, node.questionToken, ts.visitNode(node.type, transformJSDocType), node.initializer);
- }
- function transformJSDocTypeReference(node) {
- var name = node.typeName;
- var args = node.typeArguments;
- if (ts.isIdentifier(node.typeName)) {
- if (ts.isJSDocIndexSignature(node)) {
- return transformJSDocIndexSignature(node);
- }
- var text = node.typeName.text;
- switch (node.typeName.text) {
- case "String":
- case "Boolean":
- case "Object":
- case "Number":
- text = text.toLowerCase();
- break;
- case "array":
- case "date":
- case "promise":
- text = text[0].toUpperCase() + text.slice(1);
- break;
- }
- name = ts.createIdentifier(text);
- if ((text === "Array" || text === "Promise") && !node.typeArguments) {
- args = ts.createNodeArray([ts.createTypeReferenceNode("any", ts.emptyArray)]);
- }
- else {
- args = ts.visitNodes(node.typeArguments, transformJSDocType);
- }
- }
- return ts.createTypeReferenceNode(name, args);
- }
- function transformJSDocIndexSignature(node) {
- var index = ts.createParameter(
- /*decorators*/ undefined,
- /*modifiers*/ undefined,
- /*dotDotDotToken*/ undefined, node.typeArguments[0].kind === 140 /* NumberKeyword */ ? "n" : "s",
- /*questionToken*/ undefined, ts.createTypeReferenceNode(node.typeArguments[0].kind === 140 /* NumberKeyword */ ? "number" : "string", []),
- /*initializer*/ undefined);
- var indexSignature = ts.createTypeLiteralNode([ts.createIndexSignature(/*decorators*/ undefined, /*modifiers*/ undefined, [index], node.typeArguments[1])]);
- ts.setEmitFlags(indexSignature, 1 /* SingleLine */);
- return indexSignature;
- }
- })(codefix = ts.codefix || (ts.codefix = {}));
-})(ts || (ts = {}));
-/* @internal */
-var ts;
-(function (ts) {
- var codefix;
- (function (codefix) {
- var fixId = "convertFunctionToEs6Class";
- var errorCodes = [ts.Diagnostics.This_constructor_function_may_be_converted_to_a_class_declaration.code];
- codefix.registerCodeFix({
- errorCodes: errorCodes,
- getCodeActions: function (context) {
- var changes = ts.textChanges.ChangeTracker.with(context, function (t) { return doChange(t, context.sourceFile, context.span.start, context.program.getTypeChecker()); });
- return [codefix.createCodeFixAction(fixId, changes, ts.Diagnostics.Convert_function_to_an_ES2015_class, fixId, ts.Diagnostics.Convert_all_constructor_functions_to_classes)];
- },
- fixIds: [fixId],
- getAllCodeActions: function (context) { return codefix.codeFixAll(context, errorCodes, function (changes, err) { return doChange(changes, err.file, err.start, context.program.getTypeChecker()); }); },
- });
- function doChange(changes, sourceFile, position, checker) {
- var ctorSymbol = checker.getSymbolAtLocation(ts.getTokenAtPosition(sourceFile, position));
- if (!ctorSymbol || !(ctorSymbol.flags & (16 /* Function */ | 3 /* Variable */))) {
- // Bad input
- return undefined;
- }
- var ctorDeclaration = ctorSymbol.valueDeclaration;
- var precedingNode;
- var newClassDeclaration;
- switch (ctorDeclaration.kind) {
- case 244 /* FunctionDeclaration */:
- precedingNode = ctorDeclaration;
- changes.delete(sourceFile, ctorDeclaration);
- newClassDeclaration = createClassFromFunctionDeclaration(ctorDeclaration);
- break;
- case 242 /* VariableDeclaration */:
- precedingNode = ctorDeclaration.parent.parent;
- newClassDeclaration = createClassFromVariableDeclaration(ctorDeclaration);
- if (ctorDeclaration.parent.declarations.length === 1) {
- ts.copyLeadingComments(precedingNode, newClassDeclaration, sourceFile); // TODO: GH#18217
- changes.delete(sourceFile, precedingNode);
- }
- else {
- changes.delete(sourceFile, ctorDeclaration);
- }
- break;
- }
- if (!newClassDeclaration) {
- return undefined;
- }
- // Deleting a declaration only deletes JSDoc style comments, so only copy those to the new node.
- if (ts.hasJSDocNodes(ctorDeclaration)) {
- ts.copyLeadingComments(ctorDeclaration, newClassDeclaration, sourceFile);
- }
- // Because the preceding node could be touched, we need to insert nodes before delete nodes.
- changes.insertNodeAfter(sourceFile, precedingNode, newClassDeclaration);
- function createClassElementsFromSymbol(symbol) {
- var memberElements = [];
- // all instance members are stored in the "member" array of symbol
- if (symbol.members) {
- symbol.members.forEach(function (member) {
- var memberElement = createClassElement(member, /*modifiers*/ undefined);
- if (memberElement) {
- memberElements.push(memberElement);
- }
- });
- }
- // all static members are stored in the "exports" array of symbol
- if (symbol.exports) {
- symbol.exports.forEach(function (member) {
- var memberElement = createClassElement(member, [ts.createToken(120 /* StaticKeyword */)]);
- if (memberElement) {
- memberElements.push(memberElement);
- }
- });
- }
- return memberElements;
- function shouldConvertDeclaration(_target, source) {
- // Right now the only thing we can convert are function expressions - other values shouldn't get
- // transformed. We can update this once ES public class properties are available.
- return ts.isFunctionLike(source);
- }
- function createClassElement(symbol, modifiers) {
- // Right now the only thing we can convert are function expressions, which are marked as methods
- if (!(symbol.flags & 8192 /* Method */)) {
- return;
- }
- var memberDeclaration = symbol.valueDeclaration;
- var assignmentBinaryExpression = memberDeclaration.parent;
- if (!shouldConvertDeclaration(memberDeclaration, assignmentBinaryExpression.right)) {
- return;
- }
- // delete the entire statement if this expression is the sole expression to take care of the semicolon at the end
- var nodeToDelete = assignmentBinaryExpression.parent && assignmentBinaryExpression.parent.kind === 226 /* ExpressionStatement */
- ? assignmentBinaryExpression.parent : assignmentBinaryExpression;
- changes.delete(sourceFile, nodeToDelete);
- if (!assignmentBinaryExpression.right) {
- return ts.createProperty([], modifiers, symbol.name, /*questionToken*/ undefined,
- /*type*/ undefined, /*initializer*/ undefined);
- }
- switch (assignmentBinaryExpression.right.kind) {
- case 201 /* FunctionExpression */: {
- var functionExpression = assignmentBinaryExpression.right;
- var fullModifiers = ts.concatenate(modifiers, getModifierKindFromSource(functionExpression, 126 /* AsyncKeyword */));
- var method = ts.createMethod(/*decorators*/ undefined, fullModifiers, /*asteriskToken*/ undefined, memberDeclaration.name, /*questionToken*/ undefined,
- /*typeParameters*/ undefined, functionExpression.parameters, /*type*/ undefined, functionExpression.body);
- ts.copyLeadingComments(assignmentBinaryExpression, method, sourceFile);
- return method;
- }
- case 202 /* ArrowFunction */: {
- var arrowFunction = assignmentBinaryExpression.right;
- var arrowFunctionBody = arrowFunction.body;
- var bodyBlock = void 0;
- // case 1: () => { return [1,2,3] }
- if (arrowFunctionBody.kind === 223 /* Block */) {
- bodyBlock = arrowFunctionBody;
- }
- // case 2: () => [1,2,3]
- else {
- bodyBlock = ts.createBlock([ts.createReturn(arrowFunctionBody)]);
- }
- var fullModifiers = ts.concatenate(modifiers, getModifierKindFromSource(arrowFunction, 126 /* AsyncKeyword */));
- var method = ts.createMethod(/*decorators*/ undefined, fullModifiers, /*asteriskToken*/ undefined, memberDeclaration.name, /*questionToken*/ undefined,
- /*typeParameters*/ undefined, arrowFunction.parameters, /*type*/ undefined, bodyBlock);
- ts.copyLeadingComments(assignmentBinaryExpression, method, sourceFile);
- return method;
- }
- default: {
- // Don't try to declare members in JavaScript files
- if (ts.isSourceFileJS(sourceFile)) {
- return;
- }
- var prop = ts.createProperty(/*decorators*/ undefined, modifiers, memberDeclaration.name, /*questionToken*/ undefined,
- /*type*/ undefined, assignmentBinaryExpression.right);
- ts.copyLeadingComments(assignmentBinaryExpression.parent, prop, sourceFile);
- return prop;
- }
- }
- }
- }
- function createClassFromVariableDeclaration(node) {
- var initializer = node.initializer;
- if (!initializer || initializer.kind !== 201 /* FunctionExpression */) {
- return undefined;
- }
- if (node.name.kind !== 75 /* Identifier */) {
- return undefined;
- }
- var memberElements = createClassElementsFromSymbol(node.symbol);
- if (initializer.body) {
- memberElements.unshift(ts.createConstructor(/*decorators*/ undefined, /*modifiers*/ undefined, initializer.parameters, initializer.body));
- }
- var modifiers = getModifierKindFromSource(precedingNode, 89 /* ExportKeyword */);
- var cls = ts.createClassDeclaration(/*decorators*/ undefined, modifiers, node.name,
- /*typeParameters*/ undefined, /*heritageClauses*/ undefined, memberElements);
- // Don't call copyComments here because we'll already leave them in place
- return cls;
- }
- function createClassFromFunctionDeclaration(node) {
- var memberElements = createClassElementsFromSymbol(ctorSymbol);
- if (node.body) {
- memberElements.unshift(ts.createConstructor(/*decorators*/ undefined, /*modifiers*/ undefined, node.parameters, node.body));
- }
- var modifiers = getModifierKindFromSource(node, 89 /* ExportKeyword */);
- var cls = ts.createClassDeclaration(/*decorators*/ undefined, modifiers, node.name,
- /*typeParameters*/ undefined, /*heritageClauses*/ undefined, memberElements);
- // Don't call copyComments here because we'll already leave them in place
- return cls;
- }
- }
- function getModifierKindFromSource(source, kind) {
- return ts.filter(source.modifiers, function (modifier) { return modifier.kind === kind; });
- }
- })(codefix = ts.codefix || (ts.codefix = {}));
-})(ts || (ts = {}));
-/* @internal */
-var ts;
-(function (ts) {
- var codefix;
- (function (codefix) {
- var fixId = "convertToAsyncFunction";
- var errorCodes = [ts.Diagnostics.This_may_be_converted_to_an_async_function.code];
- var codeActionSucceeded = true;
- codefix.registerCodeFix({
- errorCodes: errorCodes,
- getCodeActions: function (context) {
- codeActionSucceeded = true;
- var changes = ts.textChanges.ChangeTracker.with(context, function (t) { return convertToAsyncFunction(t, context.sourceFile, context.span.start, context.program.getTypeChecker(), context); });
- return codeActionSucceeded ? [codefix.createCodeFixAction(fixId, changes, ts.Diagnostics.Convert_to_async_function, fixId, ts.Diagnostics.Convert_all_to_async_functions)] : [];
- },
- fixIds: [fixId],
- getAllCodeActions: function (context) { return codefix.codeFixAll(context, errorCodes, function (changes, err) { return convertToAsyncFunction(changes, err.file, err.start, context.program.getTypeChecker(), context); }); },
- });
- var SynthBindingNameKind;
- (function (SynthBindingNameKind) {
- SynthBindingNameKind[SynthBindingNameKind["Identifier"] = 0] = "Identifier";
- SynthBindingNameKind[SynthBindingNameKind["BindingPattern"] = 1] = "BindingPattern";
- })(SynthBindingNameKind || (SynthBindingNameKind = {}));
- function convertToAsyncFunction(changes, sourceFile, position, checker, context) {
- // get the function declaration - returns a promise
- var tokenAtPosition = ts.getTokenAtPosition(sourceFile, position);
- var functionToConvert;
- // if the parent of a FunctionLikeDeclaration is a variable declaration, the convertToAsync diagnostic will be reported on the variable name
- if (ts.isIdentifier(tokenAtPosition) && ts.isVariableDeclaration(tokenAtPosition.parent) &&
- tokenAtPosition.parent.initializer && ts.isFunctionLikeDeclaration(tokenAtPosition.parent.initializer)) {
- functionToConvert = tokenAtPosition.parent.initializer;
- }
- else {
- functionToConvert = ts.tryCast(ts.getContainingFunction(ts.getTokenAtPosition(sourceFile, position)), ts.isFunctionLikeDeclaration);
- }
- if (!functionToConvert) {
- return;
- }
- var synthNamesMap = ts.createMap();
- var isInJavascript = ts.isInJSFile(functionToConvert);
- var setOfExpressionsToReturn = getAllPromiseExpressionsToReturn(functionToConvert, checker);
- var functionToConvertRenamed = renameCollidingVarNames(functionToConvert, checker, synthNamesMap, context.sourceFile);
- var returnStatements = functionToConvertRenamed.body && ts.isBlock(functionToConvertRenamed.body) ? getReturnStatementsWithPromiseHandlers(functionToConvertRenamed.body) : ts.emptyArray;
- var transformer = { checker: checker, synthNamesMap: synthNamesMap, setOfExpressionsToReturn: setOfExpressionsToReturn, isInJSFile: isInJavascript };
- if (!returnStatements.length) {
- return;
- }
- // add the async keyword
- changes.insertLastModifierBefore(sourceFile, 126 /* AsyncKeyword */, functionToConvert);
- var _loop_12 = function (returnStatement) {
- ts.forEachChild(returnStatement, function visit(node) {
- if (ts.isCallExpression(node)) {
- var newNodes = transformExpression(node, transformer);
- changes.replaceNodeWithNodes(sourceFile, returnStatement, newNodes);
- }
- else if (!ts.isFunctionLike(node)) {
- ts.forEachChild(node, visit);
- }
- });
- };
- for (var _i = 0, returnStatements_1 = returnStatements; _i < returnStatements_1.length; _i++) {
- var returnStatement = returnStatements_1[_i];
- _loop_12(returnStatement);
- }
- }
- function getReturnStatementsWithPromiseHandlers(body) {
- var res = [];
- ts.forEachReturnStatement(body, function (ret) {
- if (ts.isReturnStatementWithFixablePromiseHandler(ret))
- res.push(ret);
- });
- return res;
- }
- /*
- Finds all of the expressions of promise type that should not be saved in a variable during the refactor
- */
- function getAllPromiseExpressionsToReturn(func, checker) {
- if (!func.body) {
- return ts.createMap();
- }
- var setOfExpressionsToReturn = ts.createMap();
- ts.forEachChild(func.body, function visit(node) {
- if (isPromiseReturningCallExpression(node, checker, "then")) {
- setOfExpressionsToReturn.set(ts.getNodeId(node).toString(), true);
- ts.forEach(node.arguments, visit);
- }
- else if (isPromiseReturningCallExpression(node, checker, "catch")) {
- setOfExpressionsToReturn.set(ts.getNodeId(node).toString(), true);
- // if .catch() is the last call in the chain, move leftward in the chain until we hit something else that should be returned
- ts.forEachChild(node, visit);
- }
- else if (isPromiseTypedExpression(node, checker)) {
- setOfExpressionsToReturn.set(ts.getNodeId(node).toString(), true);
- // don't recurse here, since we won't refactor any children or arguments of the expression
- }
- else {
- ts.forEachChild(node, visit);
- }
- });
- return setOfExpressionsToReturn;
- }
- function isPromiseReturningCallExpression(node, checker, name) {
- if (!ts.isCallExpression(node))
- return false;
- var isExpressionOfName = ts.hasPropertyAccessExpressionWithName(node, name);
- var nodeType = isExpressionOfName && checker.getTypeAtLocation(node);
- return !!(nodeType && checker.getPromisedTypeOfPromise(nodeType));
- }
- function isPromiseTypedExpression(node, checker) {
- if (!ts.isExpression(node))
- return false;
- return !!checker.getPromisedTypeOfPromise(checker.getTypeAtLocation(node));
- }
- function declaredInFile(symbol, sourceFile) {
- return symbol.valueDeclaration && symbol.valueDeclaration.getSourceFile() === sourceFile;
- }
- /*
- Renaming of identifiers may be neccesary as the refactor changes scopes -
- This function collects all existing identifier names and names of identifiers that will be created in the refactor.
- It then checks for any collisions and renames them through getSynthesizedDeepClone
- */
- function renameCollidingVarNames(nodeToRename, checker, synthNamesMap, sourceFile) {
- var identsToRenameMap = ts.createMap(); // key is the symbol id
- var collidingSymbolMap = ts.createMultiMap();
- ts.forEachChild(nodeToRename, function visit(node) {
- if (!ts.isIdentifier(node)) {
- ts.forEachChild(node, visit);
- return;
- }
- var symbol = checker.getSymbolAtLocation(node);
- var isDefinedInFile = symbol && declaredInFile(symbol, sourceFile);
- if (symbol && isDefinedInFile) {
- var type = checker.getTypeAtLocation(node);
- // Note - the choice of the last call signature is arbitrary
- var lastCallSignature = getLastCallSignature(type, checker);
- var symbolIdString = ts.getSymbolId(symbol).toString();
- // If the identifier refers to a function, we want to add the new synthesized variable for the declaration. Example:
- // fetch('...').then(response => { ... })
- // will eventually become
- // const response = await fetch('...')
- // so we push an entry for 'response'.
- if (lastCallSignature && !ts.isFunctionLikeDeclaration(node.parent) && !synthNamesMap.has(symbolIdString)) {
- var firstParameter = ts.firstOrUndefined(lastCallSignature.parameters);
- var ident = firstParameter && ts.isParameter(firstParameter.valueDeclaration) && ts.tryCast(firstParameter.valueDeclaration.name, ts.isIdentifier) || ts.createOptimisticUniqueName("result");
- var synthName = getNewNameIfConflict(ident, collidingSymbolMap);
- synthNamesMap.set(symbolIdString, synthName);
- collidingSymbolMap.add(ident.text, symbol);
- }
- // We only care about identifiers that are parameters, variable declarations, or binding elements
- else if (node.parent && (ts.isParameter(node.parent) || ts.isVariableDeclaration(node.parent) || ts.isBindingElement(node.parent))) {
- var originalName = node.text;
- var collidingSymbols = collidingSymbolMap.get(originalName);
- // if the identifier name conflicts with a different identifier that we've already seen
- if (collidingSymbols && collidingSymbols.some(function (prevSymbol) { return prevSymbol !== symbol; })) {
- var newName = getNewNameIfConflict(node, collidingSymbolMap);
- identsToRenameMap.set(symbolIdString, newName.identifier);
- synthNamesMap.set(symbolIdString, newName);
- collidingSymbolMap.add(originalName, symbol);
- }
- else {
- var identifier = ts.getSynthesizedDeepClone(node);
- synthNamesMap.set(symbolIdString, createSynthIdentifier(identifier));
- collidingSymbolMap.add(originalName, symbol);
- }
- }
- }
- });
- return ts.getSynthesizedDeepCloneWithRenames(nodeToRename, /*includeTrivia*/ true, identsToRenameMap, checker);
- }
- function getNewNameIfConflict(name, originalNames) {
- var numVarsSameName = (originalNames.get(name.text) || ts.emptyArray).length;
- var identifier = numVarsSameName === 0 ? name : ts.createIdentifier(name.text + "_" + numVarsSameName);
- return createSynthIdentifier(identifier);
- }
- function silentFail() {
- codeActionSucceeded = false;
- return ts.emptyArray;
- }
- // dispatch function to recursively build the refactoring
- // should be kept up to date with isFixablePromiseHandler in suggestionDiagnostics.ts
- function transformExpression(node, transformer, prevArgName) {
- if (isPromiseReturningCallExpression(node, transformer.checker, "then")) {
- if (node.arguments.length === 0)
- return silentFail();
- return transformThen(node, transformer, prevArgName);
- }
- if (isPromiseReturningCallExpression(node, transformer.checker, "catch")) {
- if (node.arguments.length === 0)
- return silentFail();
- return transformCatch(node, transformer, prevArgName);
- }
- if (ts.isPropertyAccessExpression(node)) {
- return transformExpression(node.expression, transformer, prevArgName);
- }
- var nodeType = transformer.checker.getTypeAtLocation(node);
- if (nodeType && transformer.checker.getPromisedTypeOfPromise(nodeType)) {
- ts.Debug.assertNode(node.original.parent, ts.isPropertyAccessExpression);
- return transformPromiseExpressionOfPropertyAccess(node, transformer, prevArgName);
- }
- return silentFail();
- }
- function transformCatch(node, transformer, prevArgName) {
- var func = node.arguments[0];
- var argName = getArgBindingName(func, transformer);
- var possibleNameForVarDecl;
- /*
- If there is another call in the chain after the .catch() we are transforming, we will need to save the result of both paths (try block and catch block)
- To do this, we will need to synthesize a variable that we were not aware of while we were adding identifiers to the synthNamesMap
- We will use the prevArgName and then update the synthNamesMap with a new variable name for the next transformation step
- */
- if (prevArgName && !shouldReturn(node, transformer)) {
- if (isSynthIdentifier(prevArgName)) {
- possibleNameForVarDecl = prevArgName;
- transformer.synthNamesMap.forEach(function (val, key) {
- if (val.identifier.text === prevArgName.identifier.text) {
- var newSynthName = createUniqueSynthName(prevArgName);
- transformer.synthNamesMap.set(key, newSynthName);
- }
- });
- }
- else {
- possibleNameForVarDecl = createSynthIdentifier(ts.createOptimisticUniqueName("result"), prevArgName.types);
- }
- // We are about to write a 'let' variable declaration, but `transformExpression` for both
- // the try block and catch block will assign to this name. Setting this flag indicates
- // that future assignments should be written as `name = value` instead of `const name = value`.
- possibleNameForVarDecl.hasBeenDeclared = true;
- }
- var tryBlock = ts.createBlock(transformExpression(node.expression, transformer, possibleNameForVarDecl));
- var transformationBody = getTransformationBody(func, possibleNameForVarDecl, argName, node, transformer);
- var catchArg = argName ? isSynthIdentifier(argName) ? argName.identifier.text : argName.bindingPattern : "e";
- var catchVariableDeclaration = ts.createVariableDeclaration(catchArg);
- var catchClause = ts.createCatchClause(catchVariableDeclaration, ts.createBlock(transformationBody));
- /*
- In order to avoid an implicit any, we will synthesize a type for the declaration using the unions of the types of both paths (try block and catch block)
- */
- var varDeclList;
- var varDeclIdentifier;
- if (possibleNameForVarDecl && !shouldReturn(node, transformer)) {
- varDeclIdentifier = ts.getSynthesizedDeepClone(possibleNameForVarDecl.identifier);
- var typeArray = possibleNameForVarDecl.types;
- var unionType = transformer.checker.getUnionType(typeArray, 2 /* Subtype */);
- var unionTypeNode = transformer.isInJSFile ? undefined : transformer.checker.typeToTypeNode(unionType, /*enclosingDeclaration*/ undefined, /*flags*/ undefined);
- var varDecl = [ts.createVariableDeclaration(varDeclIdentifier, unionTypeNode)];
- varDeclList = ts.createVariableStatement(/*modifiers*/ undefined, ts.createVariableDeclarationList(varDecl, 1 /* Let */));
- }
- var tryStatement = ts.createTry(tryBlock, catchClause, /*finallyBlock*/ undefined);
- var destructuredResult = prevArgName && varDeclIdentifier && isSynthBindingPattern(prevArgName)
- && ts.createVariableStatement(/* modifiers */ undefined, ts.createVariableDeclarationList([ts.createVariableDeclaration(ts.getSynthesizedDeepCloneWithRenames(prevArgName.bindingPattern), /* type */ undefined, varDeclIdentifier)], 2 /* Const */));
- return ts.compact([varDeclList, tryStatement, destructuredResult]);
- }
- function createUniqueSynthName(prevArgName) {
- var renamedPrevArg = ts.createOptimisticUniqueName(prevArgName.identifier.text);
- return createSynthIdentifier(renamedPrevArg);
- }
- function transformThen(node, transformer, prevArgName) {
- var _a = node.arguments, onFulfilled = _a[0], onRejected = _a[1];
- var onFulfilledArgumentName = getArgBindingName(onFulfilled, transformer);
- var transformationBody = getTransformationBody(onFulfilled, prevArgName, onFulfilledArgumentName, node, transformer);
- if (onRejected) {
- var onRejectedArgumentName = getArgBindingName(onRejected, transformer);
- var tryBlock = ts.createBlock(transformExpression(node.expression, transformer, onFulfilledArgumentName).concat(transformationBody));
- var transformationBody2 = getTransformationBody(onRejected, prevArgName, onRejectedArgumentName, node, transformer);
- var catchArg = onRejectedArgumentName ? isSynthIdentifier(onRejectedArgumentName) ? onRejectedArgumentName.identifier.text : onRejectedArgumentName.bindingPattern : "e";
- var catchVariableDeclaration = ts.createVariableDeclaration(catchArg);
- var catchClause = ts.createCatchClause(catchVariableDeclaration, ts.createBlock(transformationBody2));
- return [ts.createTry(tryBlock, catchClause, /* finallyBlock */ undefined)];
- }
- return transformExpression(node.expression, transformer, onFulfilledArgumentName).concat(transformationBody);
- }
- /**
- * Transforms the 'x' part of `x.then(...)`, or the 'y()' part of `y().catch(...)`, where 'x' and 'y()' are Promises.
- */
- function transformPromiseExpressionOfPropertyAccess(node, transformer, prevArgName) {
- if (shouldReturn(node, transformer)) {
- return [ts.createReturn(ts.getSynthesizedDeepClone(node))];
- }
- return createVariableOrAssignmentOrExpressionStatement(prevArgName, ts.createAwait(node), /*typeAnnotation*/ undefined);
- }
- function createVariableOrAssignmentOrExpressionStatement(variableName, rightHandSide, typeAnnotation) {
- if (!variableName || isEmptyBindingName(variableName)) {
- // if there's no argName to assign to, there still might be side effects
- return [ts.createExpressionStatement(rightHandSide)];
- }
- if (isSynthIdentifier(variableName) && variableName.hasBeenDeclared) {
- // if the variable has already been declared, we don't need "let" or "const"
- return [ts.createExpressionStatement(ts.createAssignment(ts.getSynthesizedDeepClone(variableName.identifier), rightHandSide))];
- }
- return [
- ts.createVariableStatement(
- /*modifiers*/ undefined, ts.createVariableDeclarationList([
- ts.createVariableDeclaration(ts.getSynthesizedDeepClone(getNode(variableName)), typeAnnotation, rightHandSide)
- ], 2 /* Const */))
- ];
- }
- function maybeAnnotateAndReturn(expressionToReturn, typeAnnotation) {
- if (typeAnnotation && expressionToReturn) {
- var name = ts.createOptimisticUniqueName("result");
- return __spreadArrays(createVariableOrAssignmentOrExpressionStatement(createSynthIdentifier(name), expressionToReturn, typeAnnotation), [
- ts.createReturn(name)
- ]);
- }
- return [ts.createReturn(expressionToReturn)];
- }
- // should be kept up to date with isFixablePromiseArgument in suggestionDiagnostics.ts
- function getTransformationBody(func, prevArgName, argName, parent, transformer) {
- var _a, _b, _c, _d;
- switch (func.kind) {
- case 100 /* NullKeyword */:
- // do not produce a transformed statement for a null argument
- break;
- case 75 /* Identifier */: // identifier includes undefined
- if (!argName) {
- // undefined was argument passed to promise handler
- break;
- }
- var synthCall = ts.createCall(ts.getSynthesizedDeepClone(func), /*typeArguments*/ undefined, isSynthIdentifier(argName) ? [argName.identifier] : []);
- if (shouldReturn(parent, transformer)) {
- return maybeAnnotateAndReturn(synthCall, (_a = parent.typeArguments) === null || _a === void 0 ? void 0 : _a[0]);
- }
- var type = transformer.checker.getTypeAtLocation(func);
- var callSignatures = transformer.checker.getSignaturesOfType(type, 0 /* Call */);
- if (!callSignatures.length) {
- // if identifier in handler has no call signatures, it's invalid
- return silentFail();
- }
- var returnType = callSignatures[0].getReturnType();
- var varDeclOrAssignment = createVariableOrAssignmentOrExpressionStatement(prevArgName, ts.createAwait(synthCall), (_b = parent.typeArguments) === null || _b === void 0 ? void 0 : _b[0]);
- if (prevArgName) {
- prevArgName.types.push(returnType);
- }
- return varDeclOrAssignment;
- case 201 /* FunctionExpression */:
- case 202 /* ArrowFunction */: {
- var funcBody = func.body;
- // Arrow functions with block bodies { } will enter this control flow
- if (ts.isBlock(funcBody)) {
- var refactoredStmts = [];
- var seenReturnStatement = false;
- for (var _i = 0, _e = funcBody.statements; _i < _e.length; _i++) {
- var statement = _e[_i];
- if (ts.isReturnStatement(statement)) {
- seenReturnStatement = true;
- if (ts.isReturnStatementWithFixablePromiseHandler(statement)) {
- refactoredStmts = refactoredStmts.concat(getInnerTransformationBody(transformer, [statement], prevArgName));
- }
- else {
- refactoredStmts.push.apply(refactoredStmts, maybeAnnotateAndReturn(statement.expression, (_c = parent.typeArguments) === null || _c === void 0 ? void 0 : _c[0]));
- }
- }
- else {
- refactoredStmts.push(statement);
- }
- }
- return shouldReturn(parent, transformer)
- ? refactoredStmts.map(function (s) { return ts.getSynthesizedDeepClone(s); })
- : removeReturns(refactoredStmts, prevArgName, transformer, seenReturnStatement);
- }
- else {
- var innerRetStmts = ts.isFixablePromiseHandler(funcBody) ? [ts.createReturn(funcBody)] : ts.emptyArray;
- var innerCbBody = getInnerTransformationBody(transformer, innerRetStmts, prevArgName);
- if (innerCbBody.length > 0) {
- return innerCbBody;
- }
- var type_1 = transformer.checker.getTypeAtLocation(func);
- var returnType_1 = getLastCallSignature(type_1, transformer.checker).getReturnType();
- var rightHandSide = ts.getSynthesizedDeepClone(funcBody);
- var possiblyAwaitedRightHandSide = !!transformer.checker.getPromisedTypeOfPromise(returnType_1) ? ts.createAwait(rightHandSide) : rightHandSide;
- if (!shouldReturn(parent, transformer)) {
- var transformedStatement = createVariableOrAssignmentOrExpressionStatement(prevArgName, possiblyAwaitedRightHandSide, /*typeAnnotation*/ undefined);
- if (prevArgName) {
- prevArgName.types.push(returnType_1);
- }
- return transformedStatement;
- }
- else {
- return maybeAnnotateAndReturn(possiblyAwaitedRightHandSide, (_d = parent.typeArguments) === null || _d === void 0 ? void 0 : _d[0]);
- }
- }
- }
- default:
- // If no cases apply, we've found a transformation body we don't know how to handle, so the refactoring should no-op to avoid deleting code.
- return silentFail();
- }
- return ts.emptyArray;
- }
- function getLastCallSignature(type, checker) {
- var callSignatures = checker.getSignaturesOfType(type, 0 /* Call */);
- return ts.lastOrUndefined(callSignatures);
- }
- function removeReturns(stmts, prevArgName, transformer, seenReturnStatement) {
- var ret = [];
- for (var _i = 0, stmts_1 = stmts; _i < stmts_1.length; _i++) {
- var stmt = stmts_1[_i];
- if (ts.isReturnStatement(stmt)) {
- if (stmt.expression) {
- var possiblyAwaitedExpression = isPromiseTypedExpression(stmt.expression, transformer.checker) ? ts.createAwait(stmt.expression) : stmt.expression;
- if (prevArgName === undefined) {
- ret.push(ts.createExpressionStatement(possiblyAwaitedExpression));
- }
- else {
- ret.push(ts.createVariableStatement(/*modifiers*/ undefined, (ts.createVariableDeclarationList([ts.createVariableDeclaration(getNode(prevArgName), /*type*/ undefined, possiblyAwaitedExpression)], 2 /* Const */))));
- }
- }
- }
- else {
- ret.push(ts.getSynthesizedDeepClone(stmt));
- }
- }
- // if block has no return statement, need to define prevArgName as undefined to prevent undeclared variables
- if (!seenReturnStatement && prevArgName !== undefined) {
- ret.push(ts.createVariableStatement(/*modifiers*/ undefined, (ts.createVariableDeclarationList([ts.createVariableDeclaration(getNode(prevArgName), /*type*/ undefined, ts.createIdentifier("undefined"))], 2 /* Const */))));
- }
- return ret;
- }
- function getInnerTransformationBody(transformer, innerRetStmts, prevArgName) {
- var innerCbBody = [];
- for (var _i = 0, innerRetStmts_1 = innerRetStmts; _i < innerRetStmts_1.length; _i++) {
- var stmt = innerRetStmts_1[_i];
- ts.forEachChild(stmt, function visit(node) {
- if (ts.isCallExpression(node)) {
- var temp = transformExpression(node, transformer, prevArgName);
- innerCbBody = innerCbBody.concat(temp);
- if (innerCbBody.length > 0) {
- return;
- }
- }
- else if (!ts.isFunctionLike(node)) {
- ts.forEachChild(node, visit);
- }
- });
- }
- return innerCbBody;
- }
- function getArgBindingName(funcNode, transformer) {
- var types = [];
- var name;
- if (ts.isFunctionLikeDeclaration(funcNode)) {
- if (funcNode.parameters.length > 0) {
- var param = funcNode.parameters[0].name;
- name = getMappedBindingNameOrDefault(param);
- }
- }
- else if (ts.isIdentifier(funcNode)) {
- name = getMapEntryOrDefault(funcNode);
- }
- // return undefined argName when arg is null or undefined
- // eslint-disable-next-line no-in-operator
- if (!name || "identifier" in name && name.identifier.text === "undefined") {
- return undefined;
- }
- return name;
- function getMappedBindingNameOrDefault(bindingName) {
- if (ts.isIdentifier(bindingName))
- return getMapEntryOrDefault(bindingName);
- var elements = ts.flatMap(bindingName.elements, function (element) {
- if (ts.isOmittedExpression(element))
- return [];
- return [getMappedBindingNameOrDefault(element.name)];
- });
- return createSynthBindingPattern(bindingName, elements);
- }
- function getMapEntryOrDefault(identifier) {
- var originalNode = getOriginalNode(identifier);
- var symbol = getSymbol(originalNode);
- if (!symbol) {
- return createSynthIdentifier(identifier, types);
- }
- var mapEntry = transformer.synthNamesMap.get(ts.getSymbolId(symbol).toString());
- return mapEntry || createSynthIdentifier(identifier, types);
- }
- function getSymbol(node) {
- return node.symbol ? node.symbol : transformer.checker.getSymbolAtLocation(node);
- }
- function getOriginalNode(node) {
- return node.original ? node.original : node;
- }
- }
- function isEmptyBindingName(bindingName) {
- if (!bindingName) {
- return true;
- }
- if (isSynthIdentifier(bindingName)) {
- return !bindingName.identifier.text;
- }
- return ts.every(bindingName.elements, isEmptyBindingName);
- }
- function getNode(bindingName) {
- return isSynthIdentifier(bindingName) ? bindingName.identifier : bindingName.bindingPattern;
- }
- function createSynthIdentifier(identifier, types) {
- if (types === void 0) { types = []; }
- return { kind: 0 /* Identifier */, identifier: identifier, types: types, hasBeenDeclared: false };
- }
- function createSynthBindingPattern(bindingPattern, elements, types) {
- if (elements === void 0) { elements = ts.emptyArray; }
- if (types === void 0) { types = []; }
- return { kind: 1 /* BindingPattern */, bindingPattern: bindingPattern, elements: elements, types: types };
- }
- function isSynthIdentifier(bindingName) {
- return bindingName.kind === 0 /* Identifier */;
- }
- function isSynthBindingPattern(bindingName) {
- return bindingName.kind === 1 /* BindingPattern */;
- }
- function shouldReturn(expression, transformer) {
- return !!expression.original && transformer.setOfExpressionsToReturn.has(ts.getNodeId(expression.original).toString());
- }
- })(codefix = ts.codefix || (ts.codefix = {}));
-})(ts || (ts = {}));
-/* @internal */
-var ts;
-(function (ts) {
- var codefix;
- (function (codefix) {
- codefix.registerCodeFix({
- errorCodes: [ts.Diagnostics.File_is_a_CommonJS_module_it_may_be_converted_to_an_ES6_module.code],
- getCodeActions: function (context) {
- var sourceFile = context.sourceFile, program = context.program, preferences = context.preferences;
- var changes = ts.textChanges.ChangeTracker.with(context, function (changes) {
- var moduleExportsChangedToDefault = convertFileToEs6Module(sourceFile, program.getTypeChecker(), changes, program.getCompilerOptions().target, ts.getQuotePreference(sourceFile, preferences));
- if (moduleExportsChangedToDefault) {
- for (var _i = 0, _a = program.getSourceFiles(); _i < _a.length; _i++) {
- var importingFile = _a[_i];
- fixImportOfModuleExports(importingFile, sourceFile, changes, ts.getQuotePreference(importingFile, preferences));
- }
- }
- });
- // No support for fix-all since this applies to the whole file at once anyway.
- return [codefix.createCodeFixActionWithoutFixAll("convertToEs6Module", changes, ts.Diagnostics.Convert_to_ES6_module)];
- },
- });
- function fixImportOfModuleExports(importingFile, exportingFile, changes, quotePreference) {
- for (var _i = 0, _a = importingFile.imports; _i < _a.length; _i++) {
- var moduleSpecifier = _a[_i];
- var imported = ts.getResolvedModule(importingFile, moduleSpecifier.text);
- if (!imported || imported.resolvedFileName !== exportingFile.fileName) {
- continue;
- }
- var importNode = ts.importFromModuleSpecifier(moduleSpecifier);
- switch (importNode.kind) {
- case 253 /* ImportEqualsDeclaration */:
- changes.replaceNode(importingFile, importNode, ts.makeImport(importNode.name, /*namedImports*/ undefined, moduleSpecifier, quotePreference));
- break;
- case 196 /* CallExpression */:
- if (ts.isRequireCall(importNode, /*checkArgumentIsStringLiteralLike*/ false)) {
- changes.replaceNode(importingFile, importNode, ts.createPropertyAccess(ts.getSynthesizedDeepClone(importNode), "default"));
- }
- break;
- }
- }
- }
- /** @returns Whether we converted a `module.exports =` to a default export. */
- function convertFileToEs6Module(sourceFile, checker, changes, target, quotePreference) {
- var identifiers = { original: collectFreeIdentifiers(sourceFile), additional: ts.createMap() };
- var exports = collectExportRenames(sourceFile, checker, identifiers);
- convertExportsAccesses(sourceFile, exports, changes);
- var moduleExportsChangedToDefault = false;
- for (var _i = 0, _a = sourceFile.statements; _i < _a.length; _i++) {
- var statement = _a[_i];
- var moduleExportsChanged = convertStatement(sourceFile, statement, checker, changes, identifiers, target, exports, quotePreference);
- moduleExportsChangedToDefault = moduleExportsChangedToDefault || moduleExportsChanged;
- }
- return moduleExportsChangedToDefault;
- }
- function collectExportRenames(sourceFile, checker, identifiers) {
- var res = ts.createMap();
- forEachExportReference(sourceFile, function (node) {
- var _a = node.name, text = _a.text, originalKeywordKind = _a.originalKeywordKind;
- if (!res.has(text) && (originalKeywordKind !== undefined && ts.isNonContextualKeyword(originalKeywordKind)
- || checker.resolveName(text, node, 111551 /* Value */, /*excludeGlobals*/ true))) {
- // Unconditionally add an underscore in case `text` is a keyword.
- res.set(text, makeUniqueName("_" + text, identifiers));
- }
- });
- return res;
- }
- function convertExportsAccesses(sourceFile, exports, changes) {
- forEachExportReference(sourceFile, function (node, isAssignmentLhs) {
- if (isAssignmentLhs) {
- return;
- }
- var text = node.name.text;
- changes.replaceNode(sourceFile, node, ts.createIdentifier(exports.get(text) || text));
- });
- }
- function forEachExportReference(sourceFile, cb) {
- sourceFile.forEachChild(function recur(node) {
- if (ts.isPropertyAccessExpression(node) && ts.isExportsOrModuleExportsOrAlias(sourceFile, node.expression) && ts.isIdentifier(node.name)) {
- var parent = node.parent;
- cb(node, ts.isBinaryExpression(parent) && parent.left === node && parent.operatorToken.kind === 62 /* EqualsToken */);
- }
- node.forEachChild(recur);
- });
- }
- function convertStatement(sourceFile, statement, checker, changes, identifiers, target, exports, quotePreference) {
- switch (statement.kind) {
- case 225 /* VariableStatement */:
- convertVariableStatement(sourceFile, statement, changes, checker, identifiers, target, quotePreference);
- return false;
- case 226 /* ExpressionStatement */: {
- var expression = statement.expression;
- switch (expression.kind) {
- case 196 /* CallExpression */: {
- if (ts.isRequireCall(expression, /*checkArgumentIsStringLiteralLike*/ true)) {
- // For side-effecting require() call, just make a side-effecting import.
- changes.replaceNode(sourceFile, statement, ts.makeImport(/*name*/ undefined, /*namedImports*/ undefined, expression.arguments[0], quotePreference));
- }
- return false;
- }
- case 209 /* BinaryExpression */: {
- var operatorToken = expression.operatorToken;
- return operatorToken.kind === 62 /* EqualsToken */ && convertAssignment(sourceFile, checker, expression, changes, exports);
- }
- }
- }
- // falls through
- default:
- return false;
- }
- }
- function convertVariableStatement(sourceFile, statement, changes, checker, identifiers, target, quotePreference) {
- var declarationList = statement.declarationList;
- var foundImport = false;
- var newNodes = ts.flatMap(declarationList.declarations, function (decl) {
- var name = decl.name, initializer = decl.initializer;
- if (initializer) {
- if (ts.isExportsOrModuleExportsOrAlias(sourceFile, initializer)) {
- // `const alias = module.exports;` can be removed.
- foundImport = true;
- return [];
- }
- else if (ts.isRequireCall(initializer, /*checkArgumentIsStringLiteralLike*/ true)) {
- foundImport = true;
- return convertSingleImport(sourceFile, name, initializer.arguments[0], changes, checker, identifiers, target, quotePreference);
- }
- else if (ts.isPropertyAccessExpression(initializer) && ts.isRequireCall(initializer.expression, /*checkArgumentIsStringLiteralLike*/ true)) {
- foundImport = true;
- return convertPropertyAccessImport(name, initializer.name.text, initializer.expression.arguments[0], identifiers, quotePreference);
- }
- }
- // Move it out to its own variable statement. (This will not be used if `!foundImport`)
- return ts.createVariableStatement(/*modifiers*/ undefined, ts.createVariableDeclarationList([decl], declarationList.flags));
- });
- if (foundImport) {
- // useNonAdjustedEndPosition to ensure we don't eat the newline after the statement.
- changes.replaceNodeWithNodes(sourceFile, statement, newNodes);
- }
- }
- /** Converts `const name = require("moduleSpecifier").propertyName` */
- function convertPropertyAccessImport(name, propertyName, moduleSpecifier, identifiers, quotePreference) {
- switch (name.kind) {
- case 189 /* ObjectBindingPattern */:
- case 190 /* ArrayBindingPattern */: {
- // `const [a, b] = require("c").d` --> `import { d } from "c"; const [a, b] = d;`
- var tmp = makeUniqueName(propertyName, identifiers);
- return [
- makeSingleImport(tmp, propertyName, moduleSpecifier, quotePreference),
- makeConst(/*modifiers*/ undefined, name, ts.createIdentifier(tmp)),
- ];
- }
- case 75 /* Identifier */:
- // `const a = require("b").c` --> `import { c as a } from "./b";
- return [makeSingleImport(name.text, propertyName, moduleSpecifier, quotePreference)];
- default:
- return ts.Debug.assertNever(name, "Convert to ES6 module got invalid syntax form " + name.kind);
- }
- }
- function convertAssignment(sourceFile, checker, assignment, changes, exports) {
- var left = assignment.left, right = assignment.right;
- if (!ts.isPropertyAccessExpression(left)) {
- return false;
- }
- if (ts.isExportsOrModuleExportsOrAlias(sourceFile, left)) {
- if (ts.isExportsOrModuleExportsOrAlias(sourceFile, right)) {
- // `const alias = module.exports;` or `module.exports = alias;` can be removed.
- changes.delete(sourceFile, assignment.parent);
- }
- else {
- var replacement = ts.isObjectLiteralExpression(right) ? tryChangeModuleExportsObject(right)
- : ts.isRequireCall(right, /*checkArgumentIsStringLiteralLike*/ true) ? convertReExportAll(right.arguments[0], checker)
- : undefined;
- if (replacement) {
- changes.replaceNodeWithNodes(sourceFile, assignment.parent, replacement[0]);
- return replacement[1];
- }
- else {
- changes.replaceRangeWithText(sourceFile, ts.createRange(left.getStart(sourceFile), right.pos), "export default");
- return true;
- }
- }
- }
- else if (ts.isExportsOrModuleExportsOrAlias(sourceFile, left.expression)) {
- convertNamedExport(sourceFile, assignment, changes, exports);
- }
- return false;
- }
- /**
- * Convert `module.exports = { ... }` to individual exports..
- * We can't always do this if the module has interesting members -- then it will be a default export instead.
- */
- function tryChangeModuleExportsObject(object) {
- var statements = ts.mapAllOrFail(object.properties, function (prop) {
- switch (prop.kind) {
- case 163 /* GetAccessor */:
- case 164 /* SetAccessor */:
- // TODO: Maybe we should handle this? See fourslash test `refactorConvertToEs6Module_export_object_shorthand.ts`.
- // falls through
- case 282 /* ShorthandPropertyAssignment */:
- case 283 /* SpreadAssignment */:
- return undefined;
- case 281 /* PropertyAssignment */:
- return !ts.isIdentifier(prop.name) ? undefined : convertExportsDotXEquals_replaceNode(prop.name.text, prop.initializer);
- case 161 /* MethodDeclaration */:
- return !ts.isIdentifier(prop.name) ? undefined : functionExpressionToDeclaration(prop.name.text, [ts.createToken(89 /* ExportKeyword */)], prop);
- default:
- ts.Debug.assertNever(prop, "Convert to ES6 got invalid prop kind " + prop.kind);
- }
- });
- return statements && [statements, false];
- }
- function convertNamedExport(sourceFile, assignment, changes, exports) {
- // If "originalKeywordKind" was set, this is e.g. `exports.
- var text = assignment.left.name.text;
- var rename = exports.get(text);
- if (rename !== undefined) {
- /*
- const _class = 0;
- export { _class as class };
- */
- var newNodes = [
- makeConst(/*modifiers*/ undefined, rename, assignment.right),
- makeExportDeclaration([ts.createExportSpecifier(rename, text)]),
- ];
- changes.replaceNodeWithNodes(sourceFile, assignment.parent, newNodes);
- }
- else {
- convertExportsPropertyAssignment(assignment, sourceFile, changes);
- }
- }
- function convertReExportAll(reExported, checker) {
- // `module.exports = require("x");` ==> `export * from "x"; export { default } from "x";`
- var moduleSpecifier = reExported.text;
- var moduleSymbol = checker.getSymbolAtLocation(reExported);
- var exports = moduleSymbol ? moduleSymbol.exports : ts.emptyUnderscoreEscapedMap;
- return exports.has("export=") ? [[reExportDefault(moduleSpecifier)], true] :
- !exports.has("default") ? [[reExportStar(moduleSpecifier)], false] :
- // If there's some non-default export, must include both `export *` and `export default`.
- exports.size > 1 ? [[reExportStar(moduleSpecifier), reExportDefault(moduleSpecifier)], true] : [[reExportDefault(moduleSpecifier)], true];
- }
- function reExportStar(moduleSpecifier) {
- return makeExportDeclaration(/*exportClause*/ undefined, moduleSpecifier);
- }
- function reExportDefault(moduleSpecifier) {
- return makeExportDeclaration([ts.createExportSpecifier(/*propertyName*/ undefined, "default")], moduleSpecifier);
- }
- function convertExportsPropertyAssignment(_a, sourceFile, changes) {
- var left = _a.left, right = _a.right, parent = _a.parent;
- var name = left.name.text;
- if ((ts.isFunctionExpression(right) || ts.isArrowFunction(right) || ts.isClassExpression(right)) && (!right.name || right.name.text === name)) {
- // `exports.f = function() {}` -> `export function f() {}` -- Replace `exports.f = ` with `export `, and insert the name after `function`.
- changes.replaceRange(sourceFile, { pos: left.getStart(sourceFile), end: right.getStart(sourceFile) }, ts.createToken(89 /* ExportKeyword */), { suffix: " " });
- if (!right.name)
- changes.insertName(sourceFile, right, name);
- var semi = ts.findChildOfKind(parent, 26 /* SemicolonToken */, sourceFile);
- if (semi)
- changes.delete(sourceFile, semi);
- }
- else {
- // `exports.f = function g() {}` -> `export const f = function g() {}` -- just replace `exports.` with `export const `
- changes.replaceNodeRangeWithNodes(sourceFile, left.expression, ts.findChildOfKind(left, 24 /* DotToken */, sourceFile), [ts.createToken(89 /* ExportKeyword */), ts.createToken(81 /* ConstKeyword */)], { joiner: " ", suffix: " " });
- }
- }
- // TODO: GH#22492 this will cause an error if a change has been made inside the body of the node.
- function convertExportsDotXEquals_replaceNode(name, exported) {
- var modifiers = [ts.createToken(89 /* ExportKeyword */)];
- switch (exported.kind) {
- case 201 /* FunctionExpression */: {
- var expressionName = exported.name;
- if (expressionName && expressionName.text !== name) {
- // `exports.f = function g() {}` -> `export const f = function g() {}`
- return exportConst();
- }
- }
- // falls through
- case 202 /* ArrowFunction */:
- // `exports.f = function() {}` --> `export function f() {}`
- return functionExpressionToDeclaration(name, modifiers, exported);
- case 214 /* ClassExpression */:
- // `exports.C = class {}` --> `export class C {}`
- return classExpressionToDeclaration(name, modifiers, exported);
- default:
- return exportConst();
- }
- function exportConst() {
- // `exports.x = 0;` --> `export const x = 0;`
- return makeConst(modifiers, ts.createIdentifier(name), exported); // TODO: GH#18217
- }
- }
- /**
- * Converts `const <<name>> = require("x");`.
- * Returns nodes that will replace the variable declaration for the commonjs import.
- * May also make use `changes` to remove qualifiers at the use sites of imports, to change `mod.x` to `x`.
- */
- function convertSingleImport(file, name, moduleSpecifier, changes, checker, identifiers, target, quotePreference) {
- switch (name.kind) {
- case 189 /* ObjectBindingPattern */: {
- var importSpecifiers = ts.mapAllOrFail(name.elements, function (e) {
- return e.dotDotDotToken || e.initializer || e.propertyName && !ts.isIdentifier(e.propertyName) || !ts.isIdentifier(e.name)
- ? undefined
- // (TODO: GH#18217)
- // eslint-disable-next-line @typescript-eslint/no-unnecessary-type-assertion
- : makeImportSpecifier(e.propertyName && e.propertyName.text, e.name.text);
- });
- if (importSpecifiers) {
- return [ts.makeImport(/*name*/ undefined, importSpecifiers, moduleSpecifier, quotePreference)];
- }
- }
- // falls through -- object destructuring has an interesting pattern and must be a variable declaration
- case 190 /* ArrayBindingPattern */: {
- /*
- import x from "x";
- const [a, b, c] = x;
- */
- var tmp = makeUniqueName(codefix.moduleSpecifierToValidIdentifier(moduleSpecifier.text, target), identifiers);
- return [
- ts.makeImport(ts.createIdentifier(tmp), /*namedImports*/ undefined, moduleSpecifier, quotePreference),
- makeConst(/*modifiers*/ undefined, ts.getSynthesizedDeepClone(name), ts.createIdentifier(tmp)),
- ];
- }
- case 75 /* Identifier */:
- return convertSingleIdentifierImport(file, name, moduleSpecifier, changes, checker, identifiers, quotePreference);
- default:
- return ts.Debug.assertNever(name, "Convert to ES6 module got invalid name kind " + name.kind);
- }
- }
- /**
- * Convert `import x = require("x").`
- * Also converts uses like `x.y()` to `y()` and uses a named import.
- */
- function convertSingleIdentifierImport(file, name, moduleSpecifier, changes, checker, identifiers, quotePreference) {
- var nameSymbol = checker.getSymbolAtLocation(name);
- // Maps from module property name to name actually used. (The same if there isn't shadowing.)
- var namedBindingsNames = ts.createMap();
- // True if there is some non-property use like `x()` or `f(x)`.
- var needDefaultImport = false;
- for (var _i = 0, _a = identifiers.original.get(name.text); _i < _a.length; _i++) {
- var use = _a[_i];
- if (checker.getSymbolAtLocation(use) !== nameSymbol || use === name) {
- // This was a use of a different symbol with the same name, due to shadowing. Ignore.
- continue;
- }
- var parent = use.parent;
- if (ts.isPropertyAccessExpression(parent)) {
- var expression = parent.expression, propertyName = parent.name.text;
- ts.Debug.assert(expression === use, "Didn't expect expression === use"); // Else shouldn't have been in `collectIdentifiers`
- var idName = namedBindingsNames.get(propertyName);
- if (idName === undefined) {
- idName = makeUniqueName(propertyName, identifiers);
- namedBindingsNames.set(propertyName, idName);
- }
- changes.replaceNode(file, parent, ts.createIdentifier(idName));
- }
- else {
- needDefaultImport = true;
- }
- }
- var namedBindings = namedBindingsNames.size === 0 ? undefined : ts.arrayFrom(ts.mapIterator(namedBindingsNames.entries(), function (_a) {
- var propertyName = _a[0], idName = _a[1];
- return ts.createImportSpecifier(propertyName === idName ? undefined : ts.createIdentifier(propertyName), ts.createIdentifier(idName));
- }));
- if (!namedBindings) {
- // If it was unused, ensure that we at least import *something*.
- needDefaultImport = true;
- }
- return [ts.makeImport(needDefaultImport ? ts.getSynthesizedDeepClone(name) : undefined, namedBindings, moduleSpecifier, quotePreference)];
- }
- // Identifiers helpers
- function makeUniqueName(name, identifiers) {
- while (identifiers.original.has(name) || identifiers.additional.has(name)) {
- name = "_" + name;
- }
- identifiers.additional.set(name, true);
- return name;
- }
- function collectFreeIdentifiers(file) {
- var map = ts.createMultiMap();
- forEachFreeIdentifier(file, function (id) { return map.add(id.text, id); });
- return map;
- }
- /**
- * A free identifier is an identifier that can be accessed through name lookup as a local variable.
- * In the expression `x.y`, `x` is a free identifier, but `y` is not.
- */
- function forEachFreeIdentifier(node, cb) {
- if (ts.isIdentifier(node) && isFreeIdentifier(node))
- cb(node);
- node.forEachChild(function (child) { return forEachFreeIdentifier(child, cb); });
- }
- function isFreeIdentifier(node) {
- var parent = node.parent;
- switch (parent.kind) {
- case 194 /* PropertyAccessExpression */:
- return parent.name !== node;
- case 191 /* BindingElement */:
- return parent.propertyName !== node;
- case 258 /* ImportSpecifier */:
- return parent.propertyName !== node;
- default:
- return true;
- }
- }
- // Node helpers
- function functionExpressionToDeclaration(name, additionalModifiers, fn) {
- return ts.createFunctionDeclaration(ts.getSynthesizedDeepClones(fn.decorators), // TODO: GH#19915 Don't think this is even legal.
- ts.concatenate(additionalModifiers, ts.getSynthesizedDeepClones(fn.modifiers)), ts.getSynthesizedDeepClone(fn.asteriskToken), name, ts.getSynthesizedDeepClones(fn.typeParameters), ts.getSynthesizedDeepClones(fn.parameters), ts.getSynthesizedDeepClone(fn.type), ts.convertToFunctionBody(ts.getSynthesizedDeepClone(fn.body)));
- }
- function classExpressionToDeclaration(name, additionalModifiers, cls) {
- return ts.createClassDeclaration(ts.getSynthesizedDeepClones(cls.decorators), // TODO: GH#19915 Don't think this is even legal.
- ts.concatenate(additionalModifiers, ts.getSynthesizedDeepClones(cls.modifiers)), name, ts.getSynthesizedDeepClones(cls.typeParameters), ts.getSynthesizedDeepClones(cls.heritageClauses), ts.getSynthesizedDeepClones(cls.members));
- }
- function makeSingleImport(localName, propertyName, moduleSpecifier, quotePreference) {
- return propertyName === "default"
- ? ts.makeImport(ts.createIdentifier(localName), /*namedImports*/ undefined, moduleSpecifier, quotePreference)
- : ts.makeImport(/*name*/ undefined, [makeImportSpecifier(propertyName, localName)], moduleSpecifier, quotePreference);
- }
- function makeImportSpecifier(propertyName, name) {
- return ts.createImportSpecifier(propertyName !== undefined && propertyName !== name ? ts.createIdentifier(propertyName) : undefined, ts.createIdentifier(name));
- }
- function makeConst(modifiers, name, init) {
- return ts.createVariableStatement(modifiers, ts.createVariableDeclarationList([ts.createVariableDeclaration(name, /*type*/ undefined, init)], 2 /* Const */));
- }
- function makeExportDeclaration(exportSpecifiers, moduleSpecifier) {
- return ts.createExportDeclaration(
- /*decorators*/ undefined,
- /*modifiers*/ undefined, exportSpecifiers && ts.createNamedExports(exportSpecifiers), moduleSpecifier === undefined ? undefined : ts.createLiteral(moduleSpecifier));
- }
- })(codefix = ts.codefix || (ts.codefix = {}));
-})(ts || (ts = {}));
-/* @internal */
-var ts;
-(function (ts) {
- var codefix;
- (function (codefix) {
- var fixId = "correctQualifiedNameToIndexedAccessType";
- var errorCodes = [ts.Diagnostics.Cannot_access_0_1_because_0_is_a_type_but_not_a_namespace_Did_you_mean_to_retrieve_the_type_of_the_property_1_in_0_with_0_1.code];
- codefix.registerCodeFix({
- errorCodes: errorCodes,
- getCodeActions: function (context) {
- var qualifiedName = getQualifiedName(context.sourceFile, context.span.start);
- if (!qualifiedName)
- return undefined;
- var changes = ts.textChanges.ChangeTracker.with(context, function (t) { return doChange(t, context.sourceFile, qualifiedName); });
- var newText = qualifiedName.left.text + "[\"" + qualifiedName.right.text + "\"]";
- return [codefix.createCodeFixAction(fixId, changes, [ts.Diagnostics.Rewrite_as_the_indexed_access_type_0, newText], fixId, ts.Diagnostics.Rewrite_all_as_indexed_access_types)];
- },
- fixIds: [fixId],
- getAllCodeActions: function (context) { return codefix.codeFixAll(context, errorCodes, function (changes, diag) {
- var q = getQualifiedName(diag.file, diag.start);
- if (q) {
- doChange(changes, diag.file, q);
- }
- }); },
- });
- function getQualifiedName(sourceFile, pos) {
- var qualifiedName = ts.findAncestor(ts.getTokenAtPosition(sourceFile, pos), ts.isQualifiedName);
- ts.Debug.assert(!!qualifiedName, "Expected position to be owned by a qualified name.");
- return ts.isIdentifier(qualifiedName.left) ? qualifiedName : undefined;
- }
- function doChange(changeTracker, sourceFile, qualifiedName) {
- var rightText = qualifiedName.right.text;
- var replacement = ts.createIndexedAccessTypeNode(ts.createTypeReferenceNode(qualifiedName.left, /*typeArguments*/ undefined), ts.createLiteralTypeNode(ts.createLiteral(rightText)));
- changeTracker.replaceNode(sourceFile, qualifiedName, replacement);
- }
- })(codefix = ts.codefix || (ts.codefix = {}));
-})(ts || (ts = {}));
-/* @internal */
-var ts;
-(function (ts) {
- var codefix;
- (function (codefix) {
- var errorCodes = [ts.Diagnostics.Re_exporting_a_type_when_the_isolatedModules_flag_is_provided_requires_using_export_type.code];
- var fixId = "convertToTypeOnlyExport";
- codefix.registerCodeFix({
- errorCodes: errorCodes,
- getCodeActions: function (context) {
- var changes = ts.textChanges.ChangeTracker.with(context, function (t) { return fixSingleExportDeclaration(t, getExportSpecifierForDiagnosticSpan(context.span, context.sourceFile), context); });
- if (changes.length) {
- return [codefix.createCodeFixAction(fixId, changes, ts.Diagnostics.Convert_to_type_only_export, fixId, ts.Diagnostics.Convert_all_re_exported_types_to_type_only_exports)];
- }
- },
- fixIds: [fixId],
- getAllCodeActions: function (context) {
- var fixedExportDeclarations = ts.createMap();
- return codefix.codeFixAll(context, errorCodes, function (changes, diag) {
- var exportSpecifier = getExportSpecifierForDiagnosticSpan(diag, context.sourceFile);
- if (exportSpecifier && !ts.addToSeen(fixedExportDeclarations, ts.getNodeId(exportSpecifier.parent.parent))) {
- fixSingleExportDeclaration(changes, exportSpecifier, context);
- }
- });
- }
- });
- function getExportSpecifierForDiagnosticSpan(span, sourceFile) {
- return ts.tryCast(ts.getTokenAtPosition(sourceFile, span.start).parent, ts.isExportSpecifier);
- }
- function fixSingleExportDeclaration(changes, exportSpecifier, context) {
- if (!exportSpecifier) {
- return;
- }
- var exportClause = exportSpecifier.parent;
- var exportDeclaration = exportClause.parent;
- var typeExportSpecifiers = getTypeExportSpecifiers(exportSpecifier, context);
- if (typeExportSpecifiers.length === exportClause.elements.length) {
- changes.replaceNode(context.sourceFile, exportDeclaration, ts.updateExportDeclaration(exportDeclaration, exportDeclaration.decorators, exportDeclaration.modifiers, exportClause, exportDeclaration.moduleSpecifier,
- /*isTypeOnly*/ true));
- }
- else {
- var valueExportDeclaration = ts.updateExportDeclaration(exportDeclaration, exportDeclaration.decorators, exportDeclaration.modifiers, ts.updateNamedExports(exportClause, ts.filter(exportClause.elements, function (e) { return !ts.contains(typeExportSpecifiers, e); })), exportDeclaration.moduleSpecifier,
- /*isTypeOnly*/ false);
- var typeExportDeclaration = ts.createExportDeclaration(
- /*decorators*/ undefined,
- /*modifiers*/ undefined, ts.createNamedExports(typeExportSpecifiers), exportDeclaration.moduleSpecifier,
- /*isTypeOnly*/ true);
- changes.replaceNode(context.sourceFile, exportDeclaration, valueExportDeclaration);
- changes.insertNodeAfter(context.sourceFile, exportDeclaration, typeExportDeclaration);
- }
- }
- function getTypeExportSpecifiers(originExportSpecifier, context) {
- var exportClause = originExportSpecifier.parent;
- if (exportClause.elements.length === 1) {
- return exportClause.elements;
- }
- var diagnostics = ts.getDiagnosticsWithinSpan(ts.createTextSpanFromNode(exportClause), context.program.getSemanticDiagnostics(context.sourceFile, context.cancellationToken));
- return ts.filter(exportClause.elements, function (element) {
- var _a;
- return element === originExportSpecifier || ((_a = ts.findDiagnosticForNode(element, diagnostics)) === null || _a === void 0 ? void 0 : _a.code) === errorCodes[0];
- });
- }
- })(codefix = ts.codefix || (ts.codefix = {}));
-})(ts || (ts = {}));
-/* @internal */
-var ts;
-(function (ts) {
- var codefix;
- (function (codefix) {
- var errorCodes = [ts.Diagnostics.This_import_is_never_used_as_a_value_and_must_use_import_type_because_the_importsNotUsedAsValues_is_set_to_error.code];
- var fixId = "convertToTypeOnlyImport";
- codefix.registerCodeFix({
- errorCodes: errorCodes,
- getCodeActions: function (context) {
- var changes = ts.textChanges.ChangeTracker.with(context, function (t) {
- var importDeclaration = getImportDeclarationForDiagnosticSpan(context.span, context.sourceFile);
- fixSingleImportDeclaration(t, importDeclaration, context);
- });
- if (changes.length) {
- return [codefix.createCodeFixAction(fixId, changes, ts.Diagnostics.Convert_to_type_only_import, fixId, ts.Diagnostics.Convert_all_imports_not_used_as_a_value_to_type_only_imports)];
- }
- },
- fixIds: [fixId],
- getAllCodeActions: function (context) {
- return codefix.codeFixAll(context, errorCodes, function (changes, diag) {
- var importDeclaration = getImportDeclarationForDiagnosticSpan(diag, context.sourceFile);
- fixSingleImportDeclaration(changes, importDeclaration, context);
- });
- }
- });
- function getImportDeclarationForDiagnosticSpan(span, sourceFile) {
- return ts.tryCast(ts.getTokenAtPosition(sourceFile, span.start).parent, ts.isImportDeclaration);
- }
- function fixSingleImportDeclaration(changes, importDeclaration, context) {
- if (!(importDeclaration === null || importDeclaration === void 0 ? void 0 : importDeclaration.importClause)) {
- return;
- }
- var importClause = importDeclaration.importClause;
- // `changes.insertModifierBefore` produces a range that might overlap further changes
- changes.insertText(context.sourceFile, importDeclaration.getStart() + "import".length, " type");
- // `import type foo, { Bar }` is not allowed, so move `foo` to new declaration
- if (importClause.name && importClause.namedBindings) {
- changes.deleteNodeRangeExcludingEnd(context.sourceFile, importClause.name, importDeclaration.importClause.namedBindings);
- changes.insertNodeBefore(context.sourceFile, importDeclaration, ts.updateImportDeclaration(importDeclaration,
- /*decorators*/ undefined,
- /*modifiers*/ undefined, ts.createImportClause(importClause.name,
- /*namedBindings*/ undefined,
- /*isTypeOnly*/ true), importDeclaration.moduleSpecifier));
- }
- }
- })(codefix = ts.codefix || (ts.codefix = {}));
-})(ts || (ts = {}));
-/* @internal */
-var ts;
-(function (ts) {
- var codefix;
- (function (codefix) {
- var errorCodes = [
- ts.Diagnostics.Class_0_incorrectly_implements_interface_1.code,
- ts.Diagnostics.Class_0_incorrectly_implements_class_1_Did_you_mean_to_extend_1_and_inherit_its_members_as_a_subclass.code
- ];
- var fixId = "fixClassIncorrectlyImplementsInterface"; // TODO: share a group with fixClassDoesntImplementInheritedAbstractMember?
- codefix.registerCodeFix({
- errorCodes: errorCodes,
- getCodeActions: function (context) {
- var sourceFile = context.sourceFile, span = context.span;
- var classDeclaration = getClass(sourceFile, span.start);
- return ts.mapDefined(ts.getEffectiveImplementsTypeNodes(classDeclaration), function (implementedTypeNode) {
- var changes = ts.textChanges.ChangeTracker.with(context, function (t) { return addMissingDeclarations(context, implementedTypeNode, sourceFile, classDeclaration, t, context.preferences); });
- return changes.length === 0 ? undefined : codefix.createCodeFixAction(fixId, changes, [ts.Diagnostics.Implement_interface_0, implementedTypeNode.getText(sourceFile)], fixId, ts.Diagnostics.Implement_all_unimplemented_interfaces);
- });
- },
- fixIds: [fixId],
- getAllCodeActions: function (context) {
- var seenClassDeclarations = ts.createMap();
- return codefix.codeFixAll(context, errorCodes, function (changes, diag) {
- var classDeclaration = getClass(diag.file, diag.start);
- if (ts.addToSeen(seenClassDeclarations, ts.getNodeId(classDeclaration))) {
- for (var _i = 0, _a = ts.getEffectiveImplementsTypeNodes(classDeclaration); _i < _a.length; _i++) {
- var implementedTypeNode = _a[_i];
- addMissingDeclarations(context, implementedTypeNode, diag.file, classDeclaration, changes, context.preferences);
- }
- }
- });
- },
- });
- function getClass(sourceFile, pos) {
- return ts.Debug.checkDefined(ts.getContainingClass(ts.getTokenAtPosition(sourceFile, pos)), "There should be a containing class");
- }
- function symbolPointsToNonPrivateMember(symbol) {
- return !symbol.valueDeclaration || !(ts.getModifierFlags(symbol.valueDeclaration) & 8 /* Private */);
- }
- function addMissingDeclarations(context, implementedTypeNode, sourceFile, classDeclaration, changeTracker, preferences) {
- var checker = context.program.getTypeChecker();
- var maybeHeritageClauseSymbol = getHeritageClauseSymbolTable(classDeclaration, checker);
- // Note that this is ultimately derived from a map indexed by symbol names,
- // so duplicates cannot occur.
- var implementedType = checker.getTypeAtLocation(implementedTypeNode);
- var implementedTypeSymbols = checker.getPropertiesOfType(implementedType);
- var nonPrivateAndNotExistedInHeritageClauseMembers = implementedTypeSymbols.filter(ts.and(symbolPointsToNonPrivateMember, function (symbol) { return !maybeHeritageClauseSymbol.has(symbol.escapedName); }));
- var classType = checker.getTypeAtLocation(classDeclaration);
- var constructor = ts.find(classDeclaration.members, function (m) { return ts.isConstructorDeclaration(m); });
- if (!classType.getNumberIndexType()) {
- createMissingIndexSignatureDeclaration(implementedType, 1 /* Number */);
- }
- if (!classType.getStringIndexType()) {
- createMissingIndexSignatureDeclaration(implementedType, 0 /* String */);
- }
- var importAdder = codefix.createImportAdder(sourceFile, context.program, preferences, context.host);
- codefix.createMissingMemberNodes(classDeclaration, nonPrivateAndNotExistedInHeritageClauseMembers, context, preferences, importAdder, function (member) { return insertInterfaceMemberNode(sourceFile, classDeclaration, member); });
- importAdder.writeFixes(changeTracker);
- function createMissingIndexSignatureDeclaration(type, kind) {
- var indexInfoOfKind = checker.getIndexInfoOfType(type, kind);
- if (indexInfoOfKind) {
- insertInterfaceMemberNode(sourceFile, classDeclaration, checker.indexInfoToIndexSignatureDeclaration(indexInfoOfKind, kind, classDeclaration, /*flags*/ undefined, codefix.getNoopSymbolTrackerWithResolver(context)));
- }
- }
- // Either adds the node at the top of the class, or if there's a constructor right after that
- function insertInterfaceMemberNode(sourceFile, cls, newElement) {
- if (constructor) {
- changeTracker.insertNodeAfter(sourceFile, constructor, newElement);
- }
- else {
- changeTracker.insertNodeAtClassStart(sourceFile, cls, newElement);
- }
- }
- }
- function getHeritageClauseSymbolTable(classDeclaration, checker) {
- var heritageClauseNode = ts.getEffectiveBaseTypeNode(classDeclaration);
- if (!heritageClauseNode)
- return ts.createSymbolTable();
- var heritageClauseType = checker.getTypeAtLocation(heritageClauseNode);
- var heritageClauseTypeSymbols = checker.getPropertiesOfType(heritageClauseType);
- return ts.createSymbolTable(heritageClauseTypeSymbols.filter(symbolPointsToNonPrivateMember));
- }
- })(codefix = ts.codefix || (ts.codefix = {}));
-})(ts || (ts = {}));
-/* @internal */
-var ts;
-(function (ts) {
- var codefix;
- (function (codefix) {
- codefix.importFixName = "import";
- var importFixId = "fixMissingImport";
- var errorCodes = [
- ts.Diagnostics.Cannot_find_name_0.code,
- ts.Diagnostics.Cannot_find_name_0_Did_you_mean_1.code,
- ts.Diagnostics.Cannot_find_name_0_Did_you_mean_the_instance_member_this_0.code,
- ts.Diagnostics.Cannot_find_name_0_Did_you_mean_the_static_member_1_0.code,
- ts.Diagnostics.Cannot_find_namespace_0.code,
- ts.Diagnostics._0_refers_to_a_UMD_global_but_the_current_file_is_a_module_Consider_adding_an_import_instead.code,
- ts.Diagnostics._0_only_refers_to_a_type_but_is_being_used_as_a_value_here.code,
- ];
- codefix.registerCodeFix({
- errorCodes: errorCodes,
- getCodeActions: function (context) {
- var errorCode = context.errorCode, preferences = context.preferences, sourceFile = context.sourceFile, span = context.span;
- var info = getFixesInfo(context, errorCode, span.start);
- if (!info)
- return undefined;
- var fixes = info.fixes, symbolName = info.symbolName;
- var quotePreference = ts.getQuotePreference(sourceFile, preferences);
- return fixes.map(function (fix) { return codeActionForFix(context, sourceFile, symbolName, fix, quotePreference); });
- },
- fixIds: [importFixId],
- getAllCodeActions: function (context) {
- var sourceFile = context.sourceFile, program = context.program, preferences = context.preferences, host = context.host;
- var importAdder = createImportAdder(sourceFile, program, preferences, host);
- codefix.eachDiagnostic(context, errorCodes, function (diag) { return importAdder.addImportFromDiagnostic(diag, context); });
- return codefix.createCombinedCodeActions(ts.textChanges.ChangeTracker.with(context, importAdder.writeFixes));
- },
- });
- function createImportAdder(sourceFile, program, preferences, host) {
- var compilerOptions = program.getCompilerOptions();
- // Namespace fixes don't conflict, so just build a list.
- var addToNamespace = [];
- var importType = [];
- // Keys are import clause node IDs.
- var addToExisting = ts.createMap();
- var newImports = ts.createMap();
- return { addImportFromDiagnostic: addImportFromDiagnostic, addImportFromExportedSymbol: addImportFromExportedSymbol, writeFixes: writeFixes };
- function addImportFromDiagnostic(diagnostic, context) {
- var info = getFixesInfo(context, diagnostic.code, diagnostic.start);
- if (!info || !info.fixes.length)
- return;
- addImport(info);
- }
- function addImportFromExportedSymbol(exportedSymbol, usageIsTypeOnly) {
- var moduleSymbol = ts.Debug.checkDefined(exportedSymbol.parent);
- var symbolName = ts.getNameForExportedSymbol(exportedSymbol, ts.getEmitScriptTarget(compilerOptions));
- var checker = program.getTypeChecker();
- var symbol = checker.getMergedSymbol(ts.skipAlias(exportedSymbol, checker));
- var exportInfos = getAllReExportingModules(sourceFile, symbol, moduleSymbol, symbolName, sourceFile, compilerOptions, checker, program.getSourceFiles());
- var preferTypeOnlyImport = !!usageIsTypeOnly && compilerOptions.importsNotUsedAsValues === 2 /* Error */;
- var useRequire = shouldUseRequire(sourceFile, compilerOptions);
- var fix = getImportFixForSymbol(sourceFile, exportInfos, moduleSymbol, symbolName, program, /*position*/ undefined, preferTypeOnlyImport, useRequire, host, preferences);
- addImport({ fixes: [fix], symbolName: symbolName });
- }
- function addImport(info) {
- var fixes = info.fixes, symbolName = info.symbolName;
- var fix = ts.first(fixes);
- switch (fix.kind) {
- case 0 /* UseNamespace */:
- addToNamespace.push(fix);
- break;
- case 1 /* ImportType */:
- importType.push(fix);
- break;
- case 2 /* AddToExisting */: {
- var importClauseOrBindingPattern = fix.importClauseOrBindingPattern, importKind = fix.importKind, canUseTypeOnlyImport = fix.canUseTypeOnlyImport;
- var key = String(ts.getNodeId(importClauseOrBindingPattern));
- var entry = addToExisting.get(key);
- if (!entry) {
- addToExisting.set(key, entry = { importClauseOrBindingPattern: importClauseOrBindingPattern, defaultImport: undefined, namedImports: [], canUseTypeOnlyImport: canUseTypeOnlyImport });
- }
- if (importKind === 0 /* Named */) {
- ts.pushIfUnique(entry.namedImports, symbolName);
- }
- else {
- ts.Debug.assert(entry.defaultImport === undefined || entry.defaultImport === symbolName, "(Add to Existing) Default import should be missing or match symbolName");
- entry.defaultImport = symbolName;
- }
- break;
- }
- case 3 /* AddNew */: {
- var moduleSpecifier = fix.moduleSpecifier, importKind = fix.importKind, useRequire = fix.useRequire, typeOnly = fix.typeOnly;
- var entry = newImports.get(moduleSpecifier);
- if (!entry) {
- newImports.set(moduleSpecifier, entry = { namedImports: [], namespaceLikeImport: undefined, typeOnly: typeOnly, useRequire: useRequire });
- }
- else {
- // An import clause can only be type-only if every import fix contributing to it can be type-only.
- entry.typeOnly = entry.typeOnly && typeOnly;
- }
- switch (importKind) {
- case 1 /* Default */:
- ts.Debug.assert(entry.defaultImport === undefined || entry.defaultImport === symbolName, "(Add new) Default import should be missing or match symbolName");
- entry.defaultImport = symbolName;
- break;
- case 0 /* Named */:
- ts.pushIfUnique(entry.namedImports || (entry.namedImports = []), symbolName);
- break;
- case 3 /* CommonJS */:
- case 2 /* Namespace */:
- ts.Debug.assert(entry.namespaceLikeImport === undefined || entry.namespaceLikeImport.name === symbolName, "Namespacelike import shoudl be missing or match symbolName");
- entry.namespaceLikeImport = { importKind: importKind, name: symbolName };
- break;
- }
- break;
- }
- default:
- ts.Debug.assertNever(fix, "fix wasn't never - got kind " + fix.kind);
- }
- }
- function writeFixes(changeTracker) {
- var quotePreference = ts.getQuotePreference(sourceFile, preferences);
- for (var _i = 0, addToNamespace_1 = addToNamespace; _i < addToNamespace_1.length; _i++) {
- var fix = addToNamespace_1[_i];
- addNamespaceQualifier(changeTracker, sourceFile, fix);
- }
- for (var _a = 0, importType_1 = importType; _a < importType_1.length; _a++) {
- var fix = importType_1[_a];
- addImportType(changeTracker, sourceFile, fix, quotePreference);
- }
- addToExisting.forEach(function (_a) {
- var importClauseOrBindingPattern = _a.importClauseOrBindingPattern, defaultImport = _a.defaultImport, namedImports = _a.namedImports, canUseTypeOnlyImport = _a.canUseTypeOnlyImport;
- doAddExistingFix(changeTracker, sourceFile, importClauseOrBindingPattern, defaultImport, namedImports, canUseTypeOnlyImport);
- });
- var newDeclarations;
- newImports.forEach(function (_a, moduleSpecifier) {
- var useRequire = _a.useRequire, imports = __rest(_a, ["useRequire"]);
- var getDeclarations = useRequire ? getNewRequires : getNewImports;
- newDeclarations = ts.combine(newDeclarations, getDeclarations(moduleSpecifier, quotePreference, imports));
- });
- if (newDeclarations) {
- ts.insertImports(changeTracker, sourceFile, newDeclarations, /*blankLineBetween*/ true);
- }
- }
- }
- codefix.createImportAdder = createImportAdder;
- // Sorted with the preferred fix coming first.
- var ImportFixKind;
- (function (ImportFixKind) {
- ImportFixKind[ImportFixKind["UseNamespace"] = 0] = "UseNamespace";
- ImportFixKind[ImportFixKind["ImportType"] = 1] = "ImportType";
- ImportFixKind[ImportFixKind["AddToExisting"] = 2] = "AddToExisting";
- ImportFixKind[ImportFixKind["AddNew"] = 3] = "AddNew";
- })(ImportFixKind || (ImportFixKind = {}));
- var ImportKind;
- (function (ImportKind) {
- ImportKind[ImportKind["Named"] = 0] = "Named";
- ImportKind[ImportKind["Default"] = 1] = "Default";
- ImportKind[ImportKind["Namespace"] = 2] = "Namespace";
- ImportKind[ImportKind["CommonJS"] = 3] = "CommonJS";
- })(ImportKind || (ImportKind = {}));
- function getImportCompletionAction(exportedSymbol, moduleSymbol, sourceFile, symbolName, host, program, formatContext, position, preferences) {
- var compilerOptions = program.getCompilerOptions();
- var exportInfos = getAllReExportingModules(sourceFile, exportedSymbol, moduleSymbol, symbolName, sourceFile, compilerOptions, program.getTypeChecker(), program.getSourceFiles());
- var useRequire = shouldUseRequire(sourceFile, compilerOptions);
- var preferTypeOnlyImport = compilerOptions.importsNotUsedAsValues === 2 /* Error */ && !ts.isSourceFileJS(sourceFile) && ts.isValidTypeOnlyAliasUseSite(ts.getTokenAtPosition(sourceFile, position));
- var moduleSpecifier = ts.first(getNewImportInfos(program, sourceFile, position, preferTypeOnlyImport, useRequire, exportInfos, host, preferences)).moduleSpecifier;
- var fix = getImportFixForSymbol(sourceFile, exportInfos, moduleSymbol, symbolName, program, position, preferTypeOnlyImport, useRequire, host, preferences);
- return { moduleSpecifier: moduleSpecifier, codeAction: codeFixActionToCodeAction(codeActionForFix({ host: host, formatContext: formatContext, preferences: preferences }, sourceFile, symbolName, fix, ts.getQuotePreference(sourceFile, preferences))) };
- }
- codefix.getImportCompletionAction = getImportCompletionAction;
- function getImportFixForSymbol(sourceFile, exportInfos, moduleSymbol, symbolName, program, position, preferTypeOnlyImport, useRequire, host, preferences) {
- ts.Debug.assert(exportInfos.some(function (info) { return info.moduleSymbol === moduleSymbol; }), "Some exportInfo should match the specified moduleSymbol");
- // We sort the best codefixes first, so taking `first` is best.
- return ts.first(getFixForImport(exportInfos, symbolName, position, preferTypeOnlyImport, useRequire, program, sourceFile, host, preferences));
- }
- function codeFixActionToCodeAction(_a) {
- var description = _a.description, changes = _a.changes, commands = _a.commands;
- return { description: description, changes: changes, commands: commands };
- }
- function getAllReExportingModules(importingFile, exportedSymbol, exportingModuleSymbol, symbolName, sourceFile, compilerOptions, checker, allSourceFiles) {
- var result = [];
- forEachExternalModule(checker, allSourceFiles, function (moduleSymbol, moduleFile) {
- // Don't import from a re-export when looking "up" like to `./index` or `../index`.
- if (moduleFile && moduleSymbol !== exportingModuleSymbol && ts.startsWith(sourceFile.fileName, ts.getDirectoryPath(moduleFile.fileName))) {
- return;
- }
- var defaultInfo = getDefaultLikeExportInfo(importingFile, moduleSymbol, checker, compilerOptions);
- if (defaultInfo && defaultInfo.name === symbolName && ts.skipAlias(defaultInfo.symbol, checker) === exportedSymbol) {
- result.push({ moduleSymbol: moduleSymbol, importKind: defaultInfo.kind, exportedSymbolIsTypeOnly: isTypeOnlySymbol(defaultInfo.symbol, checker) });
- }
- for (var _i = 0, _a = checker.getExportsAndPropertiesOfModule(moduleSymbol); _i < _a.length; _i++) {
- var exported = _a[_i];
- if (exported.name === symbolName && ts.skipAlias(exported, checker) === exportedSymbol) {
- result.push({ moduleSymbol: moduleSymbol, importKind: 0 /* Named */, exportedSymbolIsTypeOnly: isTypeOnlySymbol(exported, checker) });
- }
- }
- });
- return result;
- }
- function isTypeOnlySymbol(s, checker) {
- return !(ts.skipAlias(s, checker).flags & 111551 /* Value */);
- }
- function isTypeOnlyPosition(sourceFile, position) {
- return ts.isValidTypeOnlyAliasUseSite(ts.getTokenAtPosition(sourceFile, position));
- }
- function getFixForImport(exportInfos, symbolName,
- /** undefined only for missing JSX namespace */
- position, preferTypeOnlyImport, useRequire, program, sourceFile, host, preferences) {
- var checker = program.getTypeChecker();
- var existingImports = ts.flatMap(exportInfos, function (info) { return getExistingImportDeclarations(info, checker, sourceFile); });
- var useNamespace = position === undefined ? undefined : tryUseExistingNamespaceImport(existingImports, symbolName, position, checker);
- var addToExisting = tryAddToExistingImport(existingImports, position !== undefined && isTypeOnlyPosition(sourceFile, position));
- // Don't bother providing an action to add a new import if we can add to an existing one.
- var addImport = addToExisting ? [addToExisting] : getFixesForAddImport(exportInfos, existingImports, program, sourceFile, position, preferTypeOnlyImport, useRequire, host, preferences);
- return __spreadArrays((useNamespace ? [useNamespace] : ts.emptyArray), addImport);
- }
- function tryUseExistingNamespaceImport(existingImports, symbolName, position, checker) {
- // It is possible that multiple import statements with the same specifier exist in the file.
- // e.g.
- //
- // import * as ns from "foo";
- // import { member1, member2 } from "foo";
- //
- // member3/**/ <-- cusor here
- //
- // in this case we should provie 2 actions:
- // 1. change "member3" to "ns.member3"
- // 2. add "member3" to the second import statement's import list
- // and it is up to the user to decide which one fits best.
- return ts.firstDefined(existingImports, function (_a) {
- var declaration = _a.declaration;
- var namespacePrefix = getNamespaceLikeImportText(declaration);
- if (namespacePrefix) {
- var moduleSymbol = getTargetModuleFromNamespaceLikeImport(declaration, checker);
- if (moduleSymbol && moduleSymbol.exports.has(ts.escapeLeadingUnderscores(symbolName))) {
- return { kind: 0 /* UseNamespace */, namespacePrefix: namespacePrefix, position: position };
- }
- }
- });
- }
- function getTargetModuleFromNamespaceLikeImport(declaration, checker) {
- var _a;
- switch (declaration.kind) {
- case 242 /* VariableDeclaration */:
- return checker.resolveExternalModuleName(declaration.initializer.arguments[0]);
- case 253 /* ImportEqualsDeclaration */:
- return checker.getAliasedSymbol(declaration.symbol);
- case 254 /* ImportDeclaration */:
- var namespaceImport = ts.tryCast((_a = declaration.importClause) === null || _a === void 0 ? void 0 : _a.namedBindings, ts.isNamespaceImport);
- return namespaceImport && checker.getAliasedSymbol(namespaceImport.symbol);
- default:
- return ts.Debug.assertNever(declaration);
- }
- }
- function getNamespaceLikeImportText(declaration) {
- var _a, _b, _c;
- switch (declaration.kind) {
- case 242 /* VariableDeclaration */:
- return (_a = ts.tryCast(declaration.name, ts.isIdentifier)) === null || _a === void 0 ? void 0 : _a.text;
- case 253 /* ImportEqualsDeclaration */:
- return declaration.name.text;
- case 254 /* ImportDeclaration */:
- return (_c = ts.tryCast((_b = declaration.importClause) === null || _b === void 0 ? void 0 : _b.namedBindings, ts.isNamespaceImport)) === null || _c === void 0 ? void 0 : _c.name.text;
- default:
- return ts.Debug.assertNever(declaration);
- }
- }
- function tryAddToExistingImport(existingImports, canUseTypeOnlyImport) {
- return ts.firstDefined(existingImports, function (_a) {
- var declaration = _a.declaration, importKind = _a.importKind;
- if (declaration.kind === 253 /* ImportEqualsDeclaration */)
- return undefined;
- if (declaration.kind === 242 /* VariableDeclaration */) {
- return (importKind === 0 /* Named */ || importKind === 1 /* Default */) && declaration.name.kind === 189 /* ObjectBindingPattern */
- ? { kind: 2 /* AddToExisting */, importClauseOrBindingPattern: declaration.name, importKind: importKind, moduleSpecifier: declaration.initializer.arguments[0].text, canUseTypeOnlyImport: false }
- : undefined;
- }
- var importClause = declaration.importClause;
- if (!importClause)
- return undefined;
- var name = importClause.name, namedBindings = importClause.namedBindings;
- return importKind === 1 /* Default */ && !name || importKind === 0 /* Named */ && (!namedBindings || namedBindings.kind === 257 /* NamedImports */)
- ? { kind: 2 /* AddToExisting */, importClauseOrBindingPattern: importClause, importKind: importKind, moduleSpecifier: declaration.moduleSpecifier.getText(), canUseTypeOnlyImport: canUseTypeOnlyImport }
- : undefined;
- });
- }
- function getExistingImportDeclarations(_a, checker, sourceFile) {
- var moduleSymbol = _a.moduleSymbol, importKind = _a.importKind, exportedSymbolIsTypeOnly = _a.exportedSymbolIsTypeOnly;
- // Can't use an es6 import for a type in JS.
- return exportedSymbolIsTypeOnly && ts.isSourceFileJS(sourceFile) ? ts.emptyArray : ts.mapDefined(sourceFile.imports, function (moduleSpecifier) {
- var i = ts.importFromModuleSpecifier(moduleSpecifier);
- if (ts.isRequireVariableDeclaration(i.parent, /*requireStringLiteralLikeArgument*/ true)) {
- return checker.resolveExternalModuleName(moduleSpecifier) === moduleSymbol ? { declaration: i.parent, importKind: importKind } : undefined;
- }
- if (i.kind === 254 /* ImportDeclaration */ || i.kind === 253 /* ImportEqualsDeclaration */) {
- return checker.getSymbolAtLocation(moduleSpecifier) === moduleSymbol ? { declaration: i, importKind: importKind } : undefined;
- }
- });
- }
- function shouldUseRequire(sourceFile, compilerOptions) {
- return ts.isSourceFileJS(sourceFile)
- && !sourceFile.externalModuleIndicator
- && (!!sourceFile.commonJsModuleIndicator || ts.getEmitModuleKind(compilerOptions) < ts.ModuleKind.ES2015);
- }
- function getNewImportInfos(program, sourceFile, position, preferTypeOnlyImport, useRequire, moduleSymbols, host, preferences) {
- var isJs = ts.isSourceFileJS(sourceFile);
- var compilerOptions = program.getCompilerOptions();
- var allowsImportingSpecifier = createAutoImportFilter(sourceFile, program, host).allowsImportingSpecifier;
- var choicesForEachExportingModule = ts.flatMap(moduleSymbols, function (_a) {
- var moduleSymbol = _a.moduleSymbol, importKind = _a.importKind, exportedSymbolIsTypeOnly = _a.exportedSymbolIsTypeOnly;
- return ts.moduleSpecifiers.getModuleSpecifiers(moduleSymbol, compilerOptions, sourceFile, ts.createModuleSpecifierResolutionHost(program, host), preferences)
- .map(function (moduleSpecifier) {
- // `position` should only be undefined at a missing jsx namespace, in which case we shouldn't be looking for pure types.
- return exportedSymbolIsTypeOnly && isJs
- ? { kind: 1 /* ImportType */, moduleSpecifier: moduleSpecifier, position: ts.Debug.checkDefined(position, "position should be defined") }
- : { kind: 3 /* AddNew */, moduleSpecifier: moduleSpecifier, importKind: importKind, useRequire: useRequire, typeOnly: preferTypeOnlyImport };
- });
- });
- // Sort by presence in package.json, then shortest paths first
- return ts.sort(choicesForEachExportingModule, function (a, b) {
- var allowsImportingA = allowsImportingSpecifier(a.moduleSpecifier);
- var allowsImportingB = allowsImportingSpecifier(b.moduleSpecifier);
- if (allowsImportingA && !allowsImportingB) {
- return -1;
- }
- if (allowsImportingB && !allowsImportingA) {
- return 1;
- }
- return a.moduleSpecifier.length - b.moduleSpecifier.length;
- });
- }
- function getFixesForAddImport(exportInfos, existingImports, program, sourceFile, position, preferTypeOnlyImport, useRequire, host, preferences) {
- var existingDeclaration = ts.firstDefined(existingImports, function (info) { return newImportInfoFromExistingSpecifier(info, preferTypeOnlyImport, useRequire); });
- return existingDeclaration ? [existingDeclaration] : getNewImportInfos(program, sourceFile, position, preferTypeOnlyImport, useRequire, exportInfos, host, preferences);
- }
- function newImportInfoFromExistingSpecifier(_a, preferTypeOnlyImport, useRequire) {
- var declaration = _a.declaration, importKind = _a.importKind;
- var moduleSpecifier = declaration.kind === 254 /* ImportDeclaration */ ? declaration.moduleSpecifier :
- declaration.kind === 242 /* VariableDeclaration */ ? declaration.initializer.arguments[0] :
- declaration.moduleReference.kind === 265 /* ExternalModuleReference */ ? declaration.moduleReference.expression :
- undefined;
- return moduleSpecifier && ts.isStringLiteral(moduleSpecifier)
- ? { kind: 3 /* AddNew */, moduleSpecifier: moduleSpecifier.text, importKind: importKind, typeOnly: preferTypeOnlyImport, useRequire: useRequire }
- : undefined;
- }
- function getFixesInfo(context, errorCode, pos) {
- var symbolToken = ts.getTokenAtPosition(context.sourceFile, pos);
- var info = errorCode === ts.Diagnostics._0_refers_to_a_UMD_global_but_the_current_file_is_a_module_Consider_adding_an_import_instead.code
- ? getFixesInfoForUMDImport(context, symbolToken)
- : ts.isIdentifier(symbolToken) ? getFixesInfoForNonUMDImport(context, symbolToken) : undefined;
- return info && __assign(__assign({}, info), { fixes: ts.sort(info.fixes, function (a, b) { return a.kind - b.kind; }) });
- }
- function getFixesInfoForUMDImport(_a, token) {
- var sourceFile = _a.sourceFile, program = _a.program, host = _a.host, preferences = _a.preferences;
- var checker = program.getTypeChecker();
- var umdSymbol = getUmdSymbol(token, checker);
- if (!umdSymbol)
- return undefined;
- var symbol = checker.getAliasedSymbol(umdSymbol);
- var symbolName = umdSymbol.name;
- var exportInfos = [{ moduleSymbol: symbol, importKind: getUmdImportKind(sourceFile, program.getCompilerOptions()), exportedSymbolIsTypeOnly: false }];
- var useRequire = shouldUseRequire(sourceFile, program.getCompilerOptions());
- var fixes = getFixForImport(exportInfos, symbolName, ts.isIdentifier(token) ? token.getStart(sourceFile) : undefined, /*preferTypeOnlyImport*/ false, useRequire, program, sourceFile, host, preferences);
- return { fixes: fixes, symbolName: symbolName };
- }
- function getUmdSymbol(token, checker) {
- // try the identifier to see if it is the umd symbol
- var umdSymbol = ts.isIdentifier(token) ? checker.getSymbolAtLocation(token) : undefined;
- if (ts.isUMDExportSymbol(umdSymbol))
- return umdSymbol;
- // The error wasn't for the symbolAtLocation, it was for the JSX tag itself, which needs access to e.g. `React`.
- var parent = token.parent;
- return (ts.isJsxOpeningLikeElement(parent) && parent.tagName === token) || ts.isJsxOpeningFragment(parent)
- ? ts.tryCast(checker.resolveName(checker.getJsxNamespace(parent), ts.isJsxOpeningLikeElement(parent) ? token : parent, 111551 /* Value */, /*excludeGlobals*/ false), ts.isUMDExportSymbol)
- : undefined;
- }
- function getUmdImportKind(importingFile, compilerOptions) {
- // Import a synthetic `default` if enabled.
- if (ts.getAllowSyntheticDefaultImports(compilerOptions)) {
- return 1 /* Default */;
- }
- // When a synthetic `default` is unavailable, use `import..require` if the module kind supports it.
- var moduleKind = ts.getEmitModuleKind(compilerOptions);
- switch (moduleKind) {
- case ts.ModuleKind.AMD:
- case ts.ModuleKind.CommonJS:
- case ts.ModuleKind.UMD:
- if (ts.isInJSFile(importingFile)) {
- return ts.isExternalModule(importingFile) ? 2 /* Namespace */ : 3 /* CommonJS */;
- }
- return 3 /* CommonJS */;
- case ts.ModuleKind.System:
- case ts.ModuleKind.ES2015:
- case ts.ModuleKind.ES2020:
- case ts.ModuleKind.ESNext:
- case ts.ModuleKind.None:
- // Fall back to the `import * as ns` style import.
- return 2 /* Namespace */;
- default:
- return ts.Debug.assertNever(moduleKind, "Unexpected moduleKind " + moduleKind);
- }
- }
- function getFixesInfoForNonUMDImport(_a, symbolToken) {
- var sourceFile = _a.sourceFile, program = _a.program, cancellationToken = _a.cancellationToken, host = _a.host, preferences = _a.preferences;
- var checker = program.getTypeChecker();
- // If we're at `<Foo/>`, we must check if `Foo` is already in scope, and if so, get an import for `React` instead.
- var symbolName = ts.isJsxOpeningLikeElement(symbolToken.parent)
- && symbolToken.parent.tagName === symbolToken
- && (ts.isIntrinsicJsxName(symbolToken.text) || checker.resolveName(symbolToken.text, symbolToken, 67108863 /* All */, /*excludeGlobals*/ false))
- ? checker.getJsxNamespace(sourceFile)
- : symbolToken.text;
- // "default" is a keyword and not a legal identifier for the import, so we don't expect it here
- ts.Debug.assert(symbolName !== "default" /* Default */, "'default' isn't a legal identifier and couldn't occur here");
- var compilerOptions = program.getCompilerOptions();
- var preferTypeOnlyImport = compilerOptions.importsNotUsedAsValues === 2 /* Error */ && ts.isValidTypeOnlyAliasUseSite(symbolToken);
- var useRequire = shouldUseRequire(sourceFile, compilerOptions);
- var exportInfos = getExportInfos(symbolName, ts.getMeaningFromLocation(symbolToken), cancellationToken, sourceFile, checker, program, host);
- var fixes = ts.arrayFrom(ts.flatMapIterator(exportInfos.entries(), function (_a) {
- var _ = _a[0], exportInfos = _a[1];
- return getFixForImport(exportInfos, symbolName, symbolToken.getStart(sourceFile), preferTypeOnlyImport, useRequire, program, sourceFile, host, preferences);
- }));
- return { fixes: fixes, symbolName: symbolName };
- }
- // Returns a map from an exported symbol's ID to a list of every way it's (re-)exported.
- function getExportInfos(symbolName, currentTokenMeaning, cancellationToken, sourceFile, checker, program, host) {
- // For each original symbol, keep all re-exports of that symbol together so we can call `getCodeActionsForImport` on the whole group at once.
- // Maps symbol id to info for modules providing that symbol (original export + re-exports).
- var originalSymbolToExportInfos = ts.createMultiMap();
- function addSymbol(moduleSymbol, exportedSymbol, importKind) {
- originalSymbolToExportInfos.add(ts.getUniqueSymbolId(exportedSymbol, checker).toString(), { moduleSymbol: moduleSymbol, importKind: importKind, exportedSymbolIsTypeOnly: isTypeOnlySymbol(exportedSymbol, checker) });
- }
- forEachExternalModuleToImportFrom(program, host, sourceFile, /*filterByPackageJson*/ true, function (moduleSymbol) {
- cancellationToken.throwIfCancellationRequested();
- var defaultInfo = getDefaultLikeExportInfo(sourceFile, moduleSymbol, checker, program.getCompilerOptions());
- if (defaultInfo && defaultInfo.name === symbolName && symbolHasMeaning(defaultInfo.symbolForMeaning, currentTokenMeaning)) {
- addSymbol(moduleSymbol, defaultInfo.symbol, defaultInfo.kind);
- }
- // check exports with the same name
- var exportSymbolWithIdenticalName = checker.tryGetMemberInModuleExportsAndProperties(symbolName, moduleSymbol);
- if (exportSymbolWithIdenticalName && symbolHasMeaning(exportSymbolWithIdenticalName, currentTokenMeaning)) {
- addSymbol(moduleSymbol, exportSymbolWithIdenticalName, 0 /* Named */);
- }
- });
- return originalSymbolToExportInfos;
- }
- function getDefaultLikeExportInfo(importingFile, moduleSymbol, checker, compilerOptions) {
- var exported = getDefaultLikeExportWorker(importingFile, moduleSymbol, checker, compilerOptions);
- if (!exported)
- return undefined;
- var symbol = exported.symbol, kind = exported.kind;
- var info = getDefaultExportInfoWorker(symbol, moduleSymbol, checker, compilerOptions);
- return info && __assign({ symbol: symbol, kind: kind }, info);
- }
- function getDefaultLikeExportWorker(importingFile, moduleSymbol, checker, compilerOptions) {
- var defaultExport = checker.tryGetMemberInModuleExports("default" /* Default */, moduleSymbol);
- if (defaultExport)
- return { symbol: defaultExport, kind: 1 /* Default */ };
- var exportEquals = checker.resolveExternalModuleSymbol(moduleSymbol);
- return exportEquals === moduleSymbol ? undefined : { symbol: exportEquals, kind: getExportEqualsImportKind(importingFile, compilerOptions) };
- }
- function getExportEqualsImportKind(importingFile, compilerOptions) {
- var allowSyntheticDefaults = ts.getAllowSyntheticDefaultImports(compilerOptions);
- // 1. 'import =' will not work in es2015+, so the decision is between a default
- // and a namespace import, based on allowSyntheticDefaultImports/esModuleInterop.
- if (ts.getEmitModuleKind(compilerOptions) >= ts.ModuleKind.ES2015) {
- return allowSyntheticDefaults ? 1 /* Default */ : 2 /* Namespace */;
- }
- // 2. 'import =' will not work in JavaScript, so the decision is between a default
- // and const/require.
- if (ts.isInJSFile(importingFile)) {
- return ts.isExternalModule(importingFile) ? 1 /* Default */ : 3 /* CommonJS */;
- }
- // 3. At this point the most correct choice is probably 'import =', but people
- // really hate that, so look to see if the importing file has any precedent
- // on how to handle it.
- for (var _i = 0, _a = importingFile.statements; _i < _a.length; _i++) {
- var statement = _a[_i];
- if (ts.isImportEqualsDeclaration(statement)) {
- return 3 /* CommonJS */;
- }
- }
- // 4. We have no precedent to go on, so just use a default import if
- // allowSyntheticDefaultImports/esModuleInterop is enabled.
- return allowSyntheticDefaults ? 1 /* Default */ : 3 /* CommonJS */;
- }
- function getDefaultExportInfoWorker(defaultExport, moduleSymbol, checker, compilerOptions) {
- var localSymbol = ts.getLocalSymbolForExportDefault(defaultExport);
- if (localSymbol)
- return { symbolForMeaning: localSymbol, name: localSymbol.name };
- var name = getNameForExportDefault(defaultExport);
- if (name !== undefined)
- return { symbolForMeaning: defaultExport, name: name };
- if (defaultExport.flags & 2097152 /* Alias */) {
- var aliased = checker.getImmediateAliasedSymbol(defaultExport);
- return aliased && getDefaultExportInfoWorker(aliased, ts.Debug.checkDefined(aliased.parent, "Alias targets of default exports must have a parent"), checker, compilerOptions);
- }
- if (defaultExport.escapedName !== "default" /* Default */ &&
- defaultExport.escapedName !== "export=" /* ExportEquals */) {
- return { symbolForMeaning: defaultExport, name: defaultExport.getName() };
- }
- return { symbolForMeaning: defaultExport, name: moduleSymbolToValidIdentifier(moduleSymbol, compilerOptions.target) };
- }
- function getNameForExportDefault(symbol) {
- return symbol.declarations && ts.firstDefined(symbol.declarations, function (declaration) {
- if (ts.isExportAssignment(declaration)) {
- if (ts.isIdentifier(declaration.expression)) {
- return declaration.expression.text;
- }
- }
- else if (ts.isExportSpecifier(declaration)) {
- ts.Debug.assert(declaration.name.text === "default" /* Default */, "Expected the specifier to be a default export");
- return declaration.propertyName && declaration.propertyName.text;
- }
- });
- }
- function codeActionForFix(context, sourceFile, symbolName, fix, quotePreference) {
- var diag;
- var changes = ts.textChanges.ChangeTracker.with(context, function (tracker) {
- diag = codeActionForFixWorker(tracker, sourceFile, symbolName, fix, quotePreference);
- });
- return codefix.createCodeFixAction(codefix.importFixName, changes, diag, importFixId, ts.Diagnostics.Add_all_missing_imports);
- }
- function codeActionForFixWorker(changes, sourceFile, symbolName, fix, quotePreference) {
- switch (fix.kind) {
- case 0 /* UseNamespace */:
- addNamespaceQualifier(changes, sourceFile, fix);
- return [ts.Diagnostics.Change_0_to_1, symbolName, fix.namespacePrefix + "." + symbolName];
- case 1 /* ImportType */:
- addImportType(changes, sourceFile, fix, quotePreference);
- return [ts.Diagnostics.Change_0_to_1, symbolName, getImportTypePrefix(fix.moduleSpecifier, quotePreference) + symbolName];
- case 2 /* AddToExisting */: {
- var importClauseOrBindingPattern = fix.importClauseOrBindingPattern, importKind = fix.importKind, canUseTypeOnlyImport = fix.canUseTypeOnlyImport, moduleSpecifier = fix.moduleSpecifier;
- doAddExistingFix(changes, sourceFile, importClauseOrBindingPattern, importKind === 1 /* Default */ ? symbolName : undefined, importKind === 0 /* Named */ ? [symbolName] : ts.emptyArray, canUseTypeOnlyImport);
- var moduleSpecifierWithoutQuotes = ts.stripQuotes(moduleSpecifier);
- return [importKind === 1 /* Default */ ? ts.Diagnostics.Add_default_import_0_to_existing_import_declaration_from_1 : ts.Diagnostics.Add_0_to_existing_import_declaration_from_1, symbolName, moduleSpecifierWithoutQuotes]; // you too!
- }
- case 3 /* AddNew */: {
- var importKind = fix.importKind, moduleSpecifier = fix.moduleSpecifier, typeOnly = fix.typeOnly, useRequire = fix.useRequire;
- var getDeclarations = useRequire ? getNewRequires : getNewImports;
- var importsCollection = importKind === 1 /* Default */ ? { defaultImport: symbolName, typeOnly: typeOnly } :
- importKind === 0 /* Named */ ? { namedImports: [symbolName], typeOnly: typeOnly } :
- { namespaceLikeImport: { importKind: importKind, name: symbolName }, typeOnly: typeOnly };
- ts.insertImports(changes, sourceFile, getDeclarations(moduleSpecifier, quotePreference, importsCollection), /*blankLineBetween*/ true);
- return [importKind === 1 /* Default */ ? ts.Diagnostics.Import_default_0_from_module_1 : ts.Diagnostics.Import_0_from_module_1, symbolName, moduleSpecifier];
- }
- default:
- return ts.Debug.assertNever(fix, "Unexpected fix kind " + fix.kind);
- }
- }
- function doAddExistingFix(changes, sourceFile, clause, defaultImport, namedImports, canUseTypeOnlyImport) {
- if (clause.kind === 189 /* ObjectBindingPattern */) {
- if (defaultImport) {
- addElementToBindingPattern(clause, defaultImport, "default");
- }
- for (var _i = 0, namedImports_1 = namedImports; _i < namedImports_1.length; _i++) {
- var specifier = namedImports_1[_i];
- addElementToBindingPattern(clause, specifier, /*propertyName*/ undefined);
- }
- return;
- }
- var convertTypeOnlyToRegular = !canUseTypeOnlyImport && clause.isTypeOnly;
- if (defaultImport) {
- ts.Debug.assert(!clause.name, "Cannot add a default import to an import clause that already has one");
- changes.insertNodeAt(sourceFile, clause.getStart(sourceFile), ts.createIdentifier(defaultImport), { suffix: ", " });
- }
- if (namedImports.length) {
- var specifiers = namedImports.map(function (name) { return ts.createImportSpecifier(/*propertyName*/ undefined, ts.createIdentifier(name)); });
- if (clause.namedBindings && ts.cast(clause.namedBindings, ts.isNamedImports).elements.length) {
- for (var _a = 0, specifiers_1 = specifiers; _a < specifiers_1.length; _a++) {
- var spec = specifiers_1[_a];
- changes.insertNodeInListAfter(sourceFile, ts.last(ts.cast(clause.namedBindings, ts.isNamedImports).elements), spec);
- }
- }
- else {
- if (specifiers.length) {
- var namedImports_2 = ts.createNamedImports(specifiers);
- if (clause.namedBindings) {
- changes.replaceNode(sourceFile, clause.namedBindings, namedImports_2);
- }
- else {
- changes.insertNodeAfter(sourceFile, ts.Debug.checkDefined(clause.name, "Import clause must have either named imports or a default import"), namedImports_2);
- }
- }
- }
- }
- if (convertTypeOnlyToRegular) {
- changes.delete(sourceFile, ts.getTypeKeywordOfTypeOnlyImport(clause, sourceFile));
- }
- function addElementToBindingPattern(bindingPattern, name, propertyName) {
- var element = ts.createBindingElement(/*dotDotDotToken*/ undefined, propertyName, name);
- if (bindingPattern.elements.length) {
- changes.insertNodeInListAfter(sourceFile, ts.last(bindingPattern.elements), element);
- }
- else {
- changes.replaceNode(sourceFile, bindingPattern, ts.createObjectBindingPattern([element]));
- }
- }
- }
- function addNamespaceQualifier(changes, sourceFile, _a) {
- var namespacePrefix = _a.namespacePrefix, position = _a.position;
- changes.insertText(sourceFile, position, namespacePrefix + ".");
- }
- function addImportType(changes, sourceFile, _a, quotePreference) {
- var moduleSpecifier = _a.moduleSpecifier, position = _a.position;
- changes.insertText(sourceFile, position, getImportTypePrefix(moduleSpecifier, quotePreference));
- }
- function getImportTypePrefix(moduleSpecifier, quotePreference) {
- var quote = ts.getQuoteFromPreference(quotePreference);
- return "import(" + quote + moduleSpecifier + quote + ").";
- }
- function getNewImports(moduleSpecifier, quotePreference, imports) {
- var _a, _b;
- var quotedModuleSpecifier = ts.makeStringLiteral(moduleSpecifier, quotePreference);
- var statements;
- if (imports.defaultImport !== undefined || ((_a = imports.namedImports) === null || _a === void 0 ? void 0 : _a.length)) {
- statements = ts.combine(statements, ts.makeImport(imports.defaultImport === undefined ? undefined : ts.createIdentifier(imports.defaultImport), (_b = imports.namedImports) === null || _b === void 0 ? void 0 : _b.map(function (n) { return ts.createImportSpecifier(/*propertyName*/ undefined, ts.createIdentifier(n)); }), moduleSpecifier, quotePreference, imports.typeOnly));
- }
- var namespaceLikeImport = imports.namespaceLikeImport, typeOnly = imports.typeOnly;
- if (namespaceLikeImport) {
- var declaration = namespaceLikeImport.importKind === 3 /* CommonJS */
- ? ts.createImportEqualsDeclaration(
- /*decorators*/ undefined,
- /*modifiers*/ undefined, ts.createIdentifier(namespaceLikeImport.name), ts.createExternalModuleReference(quotedModuleSpecifier))
- : ts.createImportDeclaration(
- /*decorators*/ undefined,
- /*modifiers*/ undefined, ts.createImportClause(
- /*name*/ undefined, ts.createNamespaceImport(ts.createIdentifier(namespaceLikeImport.name)), typeOnly), quotedModuleSpecifier);
- statements = ts.combine(statements, declaration);
- }
- return ts.Debug.checkDefined(statements);
- }
- function getNewRequires(moduleSpecifier, quotePreference, imports) {
- var _a, _b;
- var quotedModuleSpecifier = ts.makeStringLiteral(moduleSpecifier, quotePreference);
- var statements;
- // const { default: foo, bar, etc } = require('./mod');
- if (imports.defaultImport || ((_a = imports.namedImports) === null || _a === void 0 ? void 0 : _a.length)) {
- var bindingElements = ((_b = imports.namedImports) === null || _b === void 0 ? void 0 : _b.map(function (name) { return ts.createBindingElement(/*dotDotDotToken*/ undefined, /*propertyName*/ undefined, name); })) || [];
- if (imports.defaultImport) {
- bindingElements.unshift(ts.createBindingElement(/*dotDotDotToken*/ undefined, "default", imports.defaultImport));
- }
- var declaration = createConstEqualsRequireDeclaration(ts.createObjectBindingPattern(bindingElements), quotedModuleSpecifier);
- statements = ts.combine(statements, declaration);
- }
- // const foo = require('./mod');
- if (imports.namespaceLikeImport) {
- var declaration = createConstEqualsRequireDeclaration(imports.namespaceLikeImport.name, quotedModuleSpecifier);
- statements = ts.combine(statements, declaration);
- }
- return ts.Debug.checkDefined(statements);
- }
- function createConstEqualsRequireDeclaration(name, quotedModuleSpecifier) {
- return ts.createVariableStatement(
- /*modifiers*/ undefined, ts.createVariableDeclarationList([
- ts.createVariableDeclaration(typeof name === "string" ? ts.createIdentifier(name) : name,
- /*type*/ undefined, ts.createCall(ts.createIdentifier("require"), /*typeArguments*/ undefined, [quotedModuleSpecifier]))
- ], 2 /* Const */));
- }
- function symbolHasMeaning(_a, meaning) {
- var declarations = _a.declarations;
- return ts.some(declarations, function (decl) { return !!(ts.getMeaningFromDeclaration(decl) & meaning); });
- }
- function forEachExternalModuleToImportFrom(program, host, from, filterByPackageJson, cb) {
- var filteredCount = 0;
- var moduleSpecifierResolutionHost = ts.createModuleSpecifierResolutionHost(program, host);
- var packageJson = filterByPackageJson && createAutoImportFilter(from, program, host, moduleSpecifierResolutionHost);
- forEachExternalModule(program.getTypeChecker(), program.getSourceFiles(), function (module, sourceFile) {
- if (sourceFile === undefined) {
- if (!packageJson || packageJson.allowsImportingAmbientModule(module)) {
- cb(module);
- }
- else if (packageJson) {
- filteredCount++;
- }
- }
- else if (sourceFile &&
- sourceFile !== from &&
- isImportableFile(program, from, sourceFile, moduleSpecifierResolutionHost)) {
- if (!packageJson || packageJson.allowsImportingSourceFile(sourceFile)) {
- cb(module);
- }
- else if (packageJson) {
- filteredCount++;
- }
- }
- });
- if (host.log) {
- host.log("forEachExternalModuleToImportFrom: filtered out " + filteredCount + " modules by package.json contents");
- }
- }
- codefix.forEachExternalModuleToImportFrom = forEachExternalModuleToImportFrom;
- function forEachExternalModule(checker, allSourceFiles, cb) {
- for (var _i = 0, _a = checker.getAmbientModules(); _i < _a.length; _i++) {
- var ambient = _a[_i];
- cb(ambient, /*sourceFile*/ undefined);
- }
- for (var _b = 0, allSourceFiles_1 = allSourceFiles; _b < allSourceFiles_1.length; _b++) {
- var sourceFile = allSourceFiles_1[_b];
- if (ts.isExternalOrCommonJsModule(sourceFile)) {
- cb(checker.getMergedSymbol(sourceFile.symbol), sourceFile);
- }
- }
- }
- function isImportableFile(program, from, to, moduleSpecifierResolutionHost) {
- var _a;
- var getCanonicalFileName = ts.hostGetCanonicalFileName(moduleSpecifierResolutionHost);
- var globalTypingsCache = (_a = moduleSpecifierResolutionHost.getGlobalTypingsCacheLocation) === null || _a === void 0 ? void 0 : _a.call(moduleSpecifierResolutionHost);
- return !!ts.moduleSpecifiers.forEachFileNameOfModule(from.fileName, to.fileName, moduleSpecifierResolutionHost,
- /*preferSymlinks*/ false, function (toPath) {
- var toFile = program.getSourceFile(toPath);
- // Determine to import using toPath only if toPath is what we were looking at
- // or there doesnt exist the file in the program by the symlink
- return (toFile === to || !toFile) &&
- isImportablePath(from.fileName, toPath, getCanonicalFileName, globalTypingsCache);
- });
- }
- /**
- * Don't include something from a `node_modules` that isn't actually reachable by a global import.
- * A relative import to node_modules is usually a bad idea.
- */
- function isImportablePath(fromPath, toPath, getCanonicalFileName, globalCachePath) {
- // If it's in a `node_modules` but is not reachable from here via a global import, don't bother.
- var toNodeModules = ts.forEachAncestorDirectory(toPath, function (ancestor) { return ts.getBaseFileName(ancestor) === "node_modules" ? ancestor : undefined; });
- var toNodeModulesParent = toNodeModules && ts.getDirectoryPath(getCanonicalFileName(toNodeModules));
- return toNodeModulesParent === undefined
- || ts.startsWith(getCanonicalFileName(fromPath), toNodeModulesParent)
- || (!!globalCachePath && ts.startsWith(getCanonicalFileName(globalCachePath), toNodeModulesParent));
- }
- function moduleSymbolToValidIdentifier(moduleSymbol, target) {
- return moduleSpecifierToValidIdentifier(ts.removeFileExtension(ts.stripQuotes(moduleSymbol.name)), target);
- }
- codefix.moduleSymbolToValidIdentifier = moduleSymbolToValidIdentifier;
- function moduleSpecifierToValidIdentifier(moduleSpecifier, target) {
- var baseName = ts.getBaseFileName(ts.removeSuffix(moduleSpecifier, "/index"));
- var res = "";
- var lastCharWasValid = true;
- var firstCharCode = baseName.charCodeAt(0);
- if (ts.isIdentifierStart(firstCharCode, target)) {
- res += String.fromCharCode(firstCharCode);
- }
- else {
- lastCharWasValid = false;
- }
- for (var i = 1; i < baseName.length; i++) {
- var ch = baseName.charCodeAt(i);
- var isValid = ts.isIdentifierPart(ch, target);
- if (isValid) {
- var char = String.fromCharCode(ch);
- if (!lastCharWasValid) {
- char = char.toUpperCase();
- }
- res += char;
- }
- lastCharWasValid = isValid;
- }
- // Need `|| "_"` to ensure result isn't empty.
- return !ts.isStringANonContextualKeyword(res) ? res || "_" : "_" + res;
- }
- codefix.moduleSpecifierToValidIdentifier = moduleSpecifierToValidIdentifier;
- function createAutoImportFilter(fromFile, program, host, moduleSpecifierResolutionHost) {
- if (moduleSpecifierResolutionHost === void 0) { moduleSpecifierResolutionHost = ts.createModuleSpecifierResolutionHost(program, host); }
- var packageJsons = host.getPackageJsonsVisibleToFile && host.getPackageJsonsVisibleToFile(fromFile.fileName) || ts.getPackageJsonsVisibleToFile(fromFile.fileName, host);
- var dependencyGroups = 1 /* Dependencies */ | 2 /* DevDependencies */ | 8 /* OptionalDependencies */;
- var usesNodeCoreModules;
- return { allowsImportingAmbientModule: allowsImportingAmbientModule, allowsImportingSourceFile: allowsImportingSourceFile, allowsImportingSpecifier: allowsImportingSpecifier, moduleSpecifierResolutionHost: moduleSpecifierResolutionHost };
- function moduleSpecifierIsCoveredByPackageJson(specifier) {
- var packageName = getNodeModuleRootSpecifier(specifier);
- for (var _i = 0, packageJsons_1 = packageJsons; _i < packageJsons_1.length; _i++) {
- var packageJson = packageJsons_1[_i];
- if (packageJson.has(packageName, dependencyGroups) || packageJson.has(ts.getTypesPackageName(packageName), dependencyGroups)) {
- return true;
- }
- }
- return false;
- }
- function allowsImportingAmbientModule(moduleSymbol) {
- if (!packageJsons.length) {
- return true;
- }
- var declaringSourceFile = moduleSymbol.valueDeclaration.getSourceFile();
- var declaringNodeModuleName = getNodeModulesPackageNameFromFileName(declaringSourceFile.fileName);
- if (typeof declaringNodeModuleName === "undefined") {
- return true;
- }
- var declaredModuleSpecifier = ts.stripQuotes(moduleSymbol.getName());
- if (isAllowedCoreNodeModulesImport(declaredModuleSpecifier)) {
- return true;
- }
- return moduleSpecifierIsCoveredByPackageJson(declaringNodeModuleName)
- || moduleSpecifierIsCoveredByPackageJson(declaredModuleSpecifier);
- }
- function allowsImportingSourceFile(sourceFile) {
- if (!packageJsons.length) {
- return true;
- }
- var moduleSpecifier = getNodeModulesPackageNameFromFileName(sourceFile.fileName);
- if (!moduleSpecifier) {
- return true;
- }
- return moduleSpecifierIsCoveredByPackageJson(moduleSpecifier);
- }
- /**
- * Use for a specific module specifier that has already been resolved.
- * Use `allowsImportingAmbientModule` or `allowsImportingSourceFile` to resolve
- * the best module specifier for a given module _and_ determine if it’s importable.
- */
- function allowsImportingSpecifier(moduleSpecifier) {
- if (!packageJsons.length || isAllowedCoreNodeModulesImport(moduleSpecifier)) {
- return true;
- }
- if (ts.pathIsRelative(moduleSpecifier) || ts.isRootedDiskPath(moduleSpecifier)) {
- return true;
- }
- return moduleSpecifierIsCoveredByPackageJson(moduleSpecifier);
- }
- function isAllowedCoreNodeModulesImport(moduleSpecifier) {
- // If we’re in JavaScript, it can be difficult to tell whether the user wants to import
- // from Node core modules or not. We can start by seeing if the user is actually using
- // any node core modules, as opposed to simply having @types/node accidentally as a
- // dependency of a dependency.
- if (ts.isSourceFileJS(fromFile) && ts.JsTyping.nodeCoreModules.has(moduleSpecifier)) {
- if (usesNodeCoreModules === undefined) {
- usesNodeCoreModules = ts.consumesNodeCoreModules(fromFile);
- }
- if (usesNodeCoreModules) {
- return true;
- }
- }
- return false;
- }
- function getNodeModulesPackageNameFromFileName(importedFileName) {
- if (!ts.stringContains(importedFileName, "node_modules")) {
- return undefined;
- }
- var specifier = ts.moduleSpecifiers.getNodeModulesPackageName(host.getCompilationSettings(), fromFile.path, importedFileName, moduleSpecifierResolutionHost);
- if (!specifier) {
- return undefined;
- }
- // Paths here are not node_modules, so we don’t care about them;
- // returning anything will trigger a lookup in package.json.
- if (!ts.pathIsRelative(specifier) && !ts.isRootedDiskPath(specifier)) {
- return getNodeModuleRootSpecifier(specifier);
- }
- }
- function getNodeModuleRootSpecifier(fullSpecifier) {
- var components = ts.getPathComponents(ts.getPackageNameFromTypesPackageName(fullSpecifier)).slice(1);
- // Scoped packages
- if (ts.startsWith(components[0], "@")) {
- return components[0] + "/" + components[1];
- }
- return components[0];
- }
- }
- })(codefix = ts.codefix || (ts.codefix = {}));
-})(ts || (ts = {}));
-/* @internal */
-var ts;
-(function (ts) {
- var codefix;
- (function (codefix) {
- var fixId = "fixImplicitThis";
- var errorCodes = [ts.Diagnostics.this_implicitly_has_type_any_because_it_does_not_have_a_type_annotation.code];
- codefix.registerCodeFix({
- errorCodes: errorCodes,
- getCodeActions: function (context) {
- var sourceFile = context.sourceFile, program = context.program, span = context.span;
- var diagnostic;
- var changes = ts.textChanges.ChangeTracker.with(context, function (t) {
- diagnostic = doChange(t, sourceFile, span.start, program.getTypeChecker());
- });
- return diagnostic ? [codefix.createCodeFixAction(fixId, changes, diagnostic, fixId, ts.Diagnostics.Fix_all_implicit_this_errors)] : ts.emptyArray;
- },
- fixIds: [fixId],
- getAllCodeActions: function (context) { return codefix.codeFixAll(context, errorCodes, function (changes, diag) {
- doChange(changes, diag.file, diag.start, context.program.getTypeChecker());
- }); },
- });
- function doChange(changes, sourceFile, pos, checker) {
- var token = ts.getTokenAtPosition(sourceFile, pos);
- ts.Debug.assert(token.kind === 104 /* ThisKeyword */);
- var fn = ts.getThisContainer(token, /*includeArrowFunctions*/ false);
- if (!ts.isFunctionDeclaration(fn) && !ts.isFunctionExpression(fn))
- return undefined;
- if (!ts.isSourceFile(ts.getThisContainer(fn, /*includeArrowFunctions*/ false))) { // 'this' is defined outside, convert to arrow function
- var fnKeyword = ts.Debug.assertDefined(ts.findChildOfKind(fn, 94 /* FunctionKeyword */, sourceFile));
- var name = fn.name;
- var body = ts.Debug.assertDefined(fn.body); // Should be defined because the function contained a 'this' expression
- if (ts.isFunctionExpression(fn)) {
- if (name && ts.FindAllReferences.Core.isSymbolReferencedInFile(name, checker, sourceFile, body)) {
- // Function expression references itself. To fix we would have to extract it to a const.
- return undefined;
- }
- // `function() {}` --> `() => {}`
- changes.delete(sourceFile, fnKeyword);
- if (name) {
- changes.delete(sourceFile, name);
- }
- changes.insertText(sourceFile, body.pos, " =>");
- return [ts.Diagnostics.Convert_function_expression_0_to_arrow_function, name ? name.text : ts.ANONYMOUS];
- }
- else {
- // `function f() {}` => `const f = () => {}`
- // `name` should be defined because we only do this in inner contexts, and name is only undefined for `export default function() {}`.
- changes.replaceNode(sourceFile, fnKeyword, ts.createToken(81 /* ConstKeyword */));
- changes.insertText(sourceFile, name.end, " = ");
- changes.insertText(sourceFile, body.pos, " =>");
- return [ts.Diagnostics.Convert_function_declaration_0_to_arrow_function, name.text];
- }
- }
- // No outer 'this', add a @class tag if in a JS constructor function
- else if (ts.isSourceFileJS(sourceFile) && ts.isPropertyAccessExpression(token.parent) && ts.isAssignmentExpression(token.parent.parent)) {
- codefix.addJSDocTags(changes, sourceFile, fn, [ts.createJSDocClassTag()]);
- return ts.Diagnostics.Add_class_tag;
- }
- }
- })(codefix = ts.codefix || (ts.codefix = {}));
-})(ts || (ts = {}));
-/* @internal */
-var ts;
-(function (ts) {
- var codefix;
- (function (codefix) {
- var fixId = "fixSpelling";
- var errorCodes = [
- ts.Diagnostics.Property_0_does_not_exist_on_type_1_Did_you_mean_2.code,
- ts.Diagnostics.Cannot_find_name_0_Did_you_mean_1.code,
- ts.Diagnostics.Cannot_find_name_0_Did_you_mean_the_instance_member_this_0.code,
- ts.Diagnostics.Cannot_find_name_0_Did_you_mean_the_static_member_1_0.code,
- ts.Diagnostics.Module_0_has_no_exported_member_1_Did_you_mean_2.code,
- ];
- codefix.registerCodeFix({
- errorCodes: errorCodes,
- getCodeActions: function (context) {
- var sourceFile = context.sourceFile;
- var info = getInfo(sourceFile, context.span.start, context);
- if (!info)
- return undefined;
- var node = info.node, suggestedSymbol = info.suggestedSymbol;
- var target = context.host.getCompilationSettings().target;
- var changes = ts.textChanges.ChangeTracker.with(context, function (t) { return doChange(t, sourceFile, node, suggestedSymbol, target); });
- return [codefix.createCodeFixAction("spelling", changes, [ts.Diagnostics.Change_spelling_to_0, ts.symbolName(suggestedSymbol)], fixId, ts.Diagnostics.Fix_all_detected_spelling_errors)];
- },
- fixIds: [fixId],
- getAllCodeActions: function (context) { return codefix.codeFixAll(context, errorCodes, function (changes, diag) {
- var info = getInfo(diag.file, diag.start, context);
- var target = context.host.getCompilationSettings().target;
- if (info)
- doChange(changes, context.sourceFile, info.node, info.suggestedSymbol, target);
- }); },
- });
- function getInfo(sourceFile, pos, context) {
- // This is the identifier of the misspelled word. eg:
- // this.speling = 1;
- // ^^^^^^^
- var node = ts.getTokenAtPosition(sourceFile, pos);
- var parent = node.parent;
- var checker = context.program.getTypeChecker();
- var suggestedSymbol;
- if (ts.isPropertyAccessExpression(parent) && parent.name === node) {
- ts.Debug.assert(ts.isIdentifierOrPrivateIdentifier(node), "Expected an identifier for spelling (property access)");
- var containingType = checker.getTypeAtLocation(parent.expression);
- if (parent.flags & 32 /* OptionalChain */) {
- containingType = checker.getNonNullableType(containingType);
- }
- suggestedSymbol = checker.getSuggestedSymbolForNonexistentProperty(node, containingType);
- }
- else if (ts.isImportSpecifier(parent) && parent.name === node) {
- ts.Debug.assertNode(node, ts.isIdentifier, "Expected an identifier for spelling (import)");
- var importDeclaration = ts.findAncestor(node, ts.isImportDeclaration);
- var resolvedSourceFile = getResolvedSourceFileFromImportDeclaration(sourceFile, context, importDeclaration);
- if (resolvedSourceFile && resolvedSourceFile.symbol) {
- suggestedSymbol = checker.getSuggestedSymbolForNonexistentModule(node, resolvedSourceFile.symbol);
- }
- }
- else {
- var meaning = ts.getMeaningFromLocation(node);
- var name = ts.getTextOfNode(node);
- ts.Debug.assert(name !== undefined, "name should be defined");
- suggestedSymbol = checker.getSuggestedSymbolForNonexistentSymbol(node, name, convertSemanticMeaningToSymbolFlags(meaning));
- }
- return suggestedSymbol === undefined ? undefined : { node: node, suggestedSymbol: suggestedSymbol };
- }
- function doChange(changes, sourceFile, node, suggestedSymbol, target) {
- var suggestion = ts.symbolName(suggestedSymbol);
- if (!ts.isIdentifierText(suggestion, target) && ts.isPropertyAccessExpression(node.parent)) {
- var valDecl = suggestedSymbol.valueDeclaration;
- if (ts.isNamedDeclaration(valDecl) && ts.isPrivateIdentifier(valDecl.name)) {
- changes.replaceNode(sourceFile, node, ts.createIdentifier(suggestion));
- }
- else {
- changes.replaceNode(sourceFile, node.parent, ts.createElementAccess(node.parent.expression, ts.createLiteral(suggestion)));
- }
- }
- else {
- changes.replaceNode(sourceFile, node, ts.createIdentifier(suggestion));
- }
- }
- function convertSemanticMeaningToSymbolFlags(meaning) {
- var flags = 0;
- if (meaning & 4 /* Namespace */) {
- flags |= 1920 /* Namespace */;
- }
- if (meaning & 2 /* Type */) {
- flags |= 788968 /* Type */;
- }
- if (meaning & 1 /* Value */) {
- flags |= 111551 /* Value */;
- }
- return flags;
- }
- function getResolvedSourceFileFromImportDeclaration(sourceFile, context, importDeclaration) {
- if (!importDeclaration || !ts.isStringLiteralLike(importDeclaration.moduleSpecifier))
- return undefined;
- var resolvedModule = ts.getResolvedModule(sourceFile, importDeclaration.moduleSpecifier.text);
- if (!resolvedModule)
- return undefined;
- return context.program.getSourceFile(resolvedModule.resolvedFileName);
- }
- })(codefix = ts.codefix || (ts.codefix = {}));
-})(ts || (ts = {}));
-/* @internal */
-var ts;
-(function (ts) {
- var codefix;
- (function (codefix) {
- var fixId = "returnValueCorrect";
- var fixIdAddReturnStatement = "fixAddReturnStatement";
- var fixIdRemoveBlockBodyBrace = "fixRemoveBlockBodyBrace";
- var fixIdWrapTheBlockWithParen = "fixWrapTheBlockWithParen";
- var errorCodes = [
- ts.Diagnostics.A_function_whose_declared_type_is_neither_void_nor_any_must_return_a_value.code,
- ts.Diagnostics.Type_0_is_not_assignable_to_type_1.code,
- ts.Diagnostics.Argument_of_type_0_is_not_assignable_to_parameter_of_type_1.code
- ];
- var ProblemKind;
- (function (ProblemKind) {
- ProblemKind[ProblemKind["MissingReturnStatement"] = 0] = "MissingReturnStatement";
- ProblemKind[ProblemKind["MissingParentheses"] = 1] = "MissingParentheses";
- })(ProblemKind || (ProblemKind = {}));
- codefix.registerCodeFix({
- errorCodes: errorCodes,
- fixIds: [fixIdAddReturnStatement, fixIdRemoveBlockBodyBrace, fixIdWrapTheBlockWithParen],
- getCodeActions: function (context) {
- var program = context.program, sourceFile = context.sourceFile, start = context.span.start, errorCode = context.errorCode;
- var info = getInfo(program.getTypeChecker(), sourceFile, start, errorCode);
- if (!info)
- return undefined;
- if (info.kind === ProblemKind.MissingReturnStatement) {
- return ts.append([getActionForfixAddReturnStatement(context, info.expression, info.statement)], ts.isArrowFunction(info.declaration) ? getActionForfixRemoveBlockBodyBrace(context, info.declaration, info.expression, info.commentSource) : undefined);
- }
- else {
- return [getActionForfixWrapTheBlockWithParen(context, info.declaration, info.expression)];
- }
- },
- getAllCodeActions: function (context) { return codefix.codeFixAll(context, errorCodes, function (changes, diag) {
- var info = getInfo(context.program.getTypeChecker(), diag.file, diag.start, diag.code);
- if (!info)
- return undefined;
- switch (context.fixId) {
- case fixIdAddReturnStatement:
- addReturnStatement(changes, diag.file, info.expression, info.statement);
- break;
- case fixIdRemoveBlockBodyBrace:
- if (!ts.isArrowFunction(info.declaration))
- return undefined;
- removeBlockBodyBrace(changes, diag.file, info.declaration, info.expression, info.commentSource, /* withParen */ false);
- break;
- case fixIdWrapTheBlockWithParen:
- if (!ts.isArrowFunction(info.declaration))
- return undefined;
- wrapBlockWithParen(changes, diag.file, info.declaration, info.expression);
- break;
- default:
- ts.Debug.fail(JSON.stringify(context.fixId));
- }
- }); },
- });
- function getFixInfo(checker, declaration, expectType, isFunctionType) {
- if (!declaration.body || !ts.isBlock(declaration.body) || ts.length(declaration.body.statements) !== 1)
- return undefined;
- var firstStatement = ts.first(declaration.body.statements);
- if (ts.isExpressionStatement(firstStatement) && checkFixedAssignableTo(checker, declaration, firstStatement.expression, expectType, isFunctionType)) {
- return {
- declaration: declaration,
- kind: ProblemKind.MissingReturnStatement,
- expression: firstStatement.expression,
- statement: firstStatement,
- commentSource: firstStatement.expression
- };
- }
- else if (ts.isLabeledStatement(firstStatement) && ts.isExpressionStatement(firstStatement.statement)) {
- var node = ts.createObjectLiteral([ts.createPropertyAssignment(firstStatement.label, firstStatement.statement.expression)]);
- if (checkFixedAssignableTo(checker, declaration, node, expectType, isFunctionType)) {
- return ts.isArrowFunction(declaration) ? {
- declaration: declaration,
- kind: ProblemKind.MissingParentheses,
- expression: node,
- statement: firstStatement,
- commentSource: firstStatement.statement.expression
- } : {
- declaration: declaration,
- kind: ProblemKind.MissingReturnStatement,
- expression: node,
- statement: firstStatement,
- commentSource: firstStatement.statement.expression
- };
- }
- }
- else if (ts.isBlock(firstStatement) && ts.length(firstStatement.statements) === 1) {
- var firstBlockStatement = ts.first(firstStatement.statements);
- if (ts.isLabeledStatement(firstBlockStatement) && ts.isExpressionStatement(firstBlockStatement.statement)) {
- var node = ts.createObjectLiteral([ts.createPropertyAssignment(firstBlockStatement.label, firstBlockStatement.statement.expression)]);
- if (checkFixedAssignableTo(checker, declaration, node, expectType, isFunctionType)) {
- return {
- declaration: declaration,
- kind: ProblemKind.MissingReturnStatement,
- expression: node,
- statement: firstStatement,
- commentSource: firstBlockStatement
- };
- }
- }
- }
- return undefined;
- }
- function checkFixedAssignableTo(checker, declaration, expr, type, isFunctionType) {
- return checker.isTypeAssignableTo(checker.getTypeAtLocation(isFunctionType ? ts.updateFunctionLikeBody(declaration, ts.createBlock([ts.createReturn(expr)])) : expr), type);
- }
- function getInfo(checker, sourceFile, position, errorCode) {
- var node = ts.getTokenAtPosition(sourceFile, position);
- if (!node.parent)
- return undefined;
- var declaration = ts.findAncestor(node.parent, ts.isFunctionLikeDeclaration);
- switch (errorCode) {
- case ts.Diagnostics.A_function_whose_declared_type_is_neither_void_nor_any_must_return_a_value.code:
- if (!declaration || !declaration.body || !declaration.type || !ts.rangeContainsRange(declaration.type, node))
- return undefined;
- return getFixInfo(checker, declaration, checker.getTypeFromTypeNode(declaration.type), /* isFunctionType */ false);
- case ts.Diagnostics.Argument_of_type_0_is_not_assignable_to_parameter_of_type_1.code:
- if (!declaration || !ts.isCallExpression(declaration.parent) || !declaration.body)
- return undefined;
- var pos = declaration.parent.arguments.indexOf(declaration);
- var type = checker.getContextualTypeForArgumentAtIndex(declaration.parent, pos);
- if (!type)
- return undefined;
- return getFixInfo(checker, declaration, type, /* isFunctionType */ true);
- case ts.Diagnostics.Type_0_is_not_assignable_to_type_1.code:
- if (!ts.isDeclarationName(node) || !ts.isVariableLike(node.parent) && !ts.isJsxAttribute(node.parent))
- return undefined;
- var initializer = getVariableLikeInitializer(node.parent);
- if (!initializer || !ts.isFunctionLikeDeclaration(initializer) || !initializer.body)
- return undefined;
- return getFixInfo(checker, initializer, checker.getTypeAtLocation(node.parent), /* isFunctionType */ true);
- }
- return undefined;
- }
- function getVariableLikeInitializer(declaration) {
- switch (declaration.kind) {
- case 242 /* VariableDeclaration */:
- case 156 /* Parameter */:
- case 191 /* BindingElement */:
- case 159 /* PropertyDeclaration */:
- case 281 /* PropertyAssignment */:
- return declaration.initializer;
- case 273 /* JsxAttribute */:
- return declaration.initializer && (ts.isJsxExpression(declaration.initializer) ? declaration.initializer.expression : undefined);
- case 282 /* ShorthandPropertyAssignment */:
- case 158 /* PropertySignature */:
- case 284 /* EnumMember */:
- case 323 /* JSDocPropertyTag */:
- case 317 /* JSDocParameterTag */:
- return undefined;
- }
- }
- function addReturnStatement(changes, sourceFile, expression, statement) {
- ts.suppressLeadingAndTrailingTrivia(expression);
- var probablyNeedSemi = ts.probablyUsesSemicolons(sourceFile);
- changes.replaceNode(sourceFile, statement, ts.createReturn(expression), {
- leadingTriviaOption: ts.textChanges.LeadingTriviaOption.Exclude,
- trailingTriviaOption: ts.textChanges.TrailingTriviaOption.Exclude,
- suffix: probablyNeedSemi ? ";" : undefined
- });
- }
- function removeBlockBodyBrace(changes, sourceFile, declaration, expression, commentSource, withParen) {
- var newBody = (withParen || ts.needsParentheses(expression)) ? ts.createParen(expression) : expression;
- ts.suppressLeadingAndTrailingTrivia(commentSource);
- ts.copyComments(commentSource, newBody);
- changes.replaceNode(sourceFile, declaration.body, newBody);
- }
- function wrapBlockWithParen(changes, sourceFile, declaration, expression) {
- changes.replaceNode(sourceFile, declaration.body, ts.createParen(expression));
- }
- function getActionForfixAddReturnStatement(context, expression, statement) {
- var changes = ts.textChanges.ChangeTracker.with(context, function (t) { return addReturnStatement(t, context.sourceFile, expression, statement); });
- return codefix.createCodeFixAction(fixId, changes, ts.Diagnostics.Add_a_return_statement, fixIdAddReturnStatement, ts.Diagnostics.Add_all_missing_return_statement);
- }
- function getActionForfixRemoveBlockBodyBrace(context, declaration, expression, commentSource) {
- var changes = ts.textChanges.ChangeTracker.with(context, function (t) { return removeBlockBodyBrace(t, context.sourceFile, declaration, expression, commentSource, /* withParen */ false); });
- return codefix.createCodeFixAction(fixId, changes, ts.Diagnostics.Remove_block_body_braces, fixIdRemoveBlockBodyBrace, ts.Diagnostics.Remove_all_incorrect_body_block_braces);
- }
- function getActionForfixWrapTheBlockWithParen(context, declaration, expression) {
- var changes = ts.textChanges.ChangeTracker.with(context, function (t) { return wrapBlockWithParen(t, context.sourceFile, declaration, expression); });
- return codefix.createCodeFixAction(fixId, changes, ts.Diagnostics.Wrap_the_following_body_with_parentheses_which_should_be_an_object_literal, fixIdWrapTheBlockWithParen, ts.Diagnostics.Wrap_all_object_literal_with_parentheses);
- }
- })(codefix = ts.codefix || (ts.codefix = {}));
-})(ts || (ts = {}));
-/* @internal */
-var ts;
-(function (ts) {
- var codefix;
- (function (codefix) {
- var fixName = "addMissingMember";
- var errorCodes = [
- ts.Diagnostics.Property_0_does_not_exist_on_type_1.code,
- ts.Diagnostics.Property_0_does_not_exist_on_type_1_Did_you_mean_2.code,
- ts.Diagnostics.Property_0_is_missing_in_type_1_but_required_in_type_2.code,
- ts.Diagnostics.Type_0_is_missing_the_following_properties_from_type_1_Colon_2.code,
- ts.Diagnostics.Type_0_is_missing_the_following_properties_from_type_1_Colon_2_and_3_more.code
- ];
- var fixId = "addMissingMember";
- codefix.registerCodeFix({
- errorCodes: errorCodes,
- getCodeActions: function (context) {
- var info = getInfo(context.sourceFile, context.span.start, context.program.getTypeChecker(), context.program);
- if (!info)
- return undefined;
- if (info.kind === 0 /* Enum */) {
- var token_1 = info.token, parentDeclaration_1 = info.parentDeclaration;
- var changes = ts.textChanges.ChangeTracker.with(context, function (t) { return addEnumMemberDeclaration(t, context.program.getTypeChecker(), token_1, parentDeclaration_1); });
- return [codefix.createCodeFixAction(fixName, changes, [ts.Diagnostics.Add_missing_enum_member_0, token_1.text], fixId, ts.Diagnostics.Add_all_missing_members)];
- }
- var parentDeclaration = info.parentDeclaration, declSourceFile = info.declSourceFile, inJs = info.inJs, makeStatic = info.makeStatic, token = info.token, call = info.call;
- var methodCodeAction = call && getActionForMethodDeclaration(context, declSourceFile, parentDeclaration, token, call, makeStatic, inJs);
- var addMember = inJs && !ts.isInterfaceDeclaration(parentDeclaration) ?
- ts.singleElementArray(getActionsForAddMissingMemberInJavascriptFile(context, declSourceFile, parentDeclaration, token, makeStatic)) :
- getActionsForAddMissingMemberInTypeScriptFile(context, declSourceFile, parentDeclaration, token, makeStatic);
- return ts.concatenate(ts.singleElementArray(methodCodeAction), addMember);
- },
- fixIds: [fixId],
- getAllCodeActions: function (context) {
- var program = context.program;
- var checker = program.getTypeChecker();
- var seen = ts.createMap();
- var typeDeclToMembers = new ts.NodeMap();
- return codefix.createCombinedCodeActions(ts.textChanges.ChangeTracker.with(context, function (changes) {
- codefix.eachDiagnostic(context, errorCodes, function (diag) {
- var info = getInfo(diag.file, diag.start, checker, context.program);
- if (!info || !ts.addToSeen(seen, ts.getNodeId(info.parentDeclaration) + "#" + info.token.text)) {
- return;
- }
- if (info.kind === 0 /* Enum */) {
- var token = info.token, parentDeclaration = info.parentDeclaration;
- addEnumMemberDeclaration(changes, checker, token, parentDeclaration);
- }
- else {
- var parentDeclaration = info.parentDeclaration, token_2 = info.token;
- var infos = typeDeclToMembers.getOrUpdate(parentDeclaration, function () { return []; });
- if (!infos.some(function (i) { return i.token.text === token_2.text; }))
- infos.push(info);
- }
- });
- typeDeclToMembers.forEach(function (infos, classDeclaration) {
- var supers = getAllSupers(classDeclaration, checker);
- var _loop_13 = function (info) {
- // If some superclass added this property, don't add it again.
- if (supers.some(function (superClassOrInterface) {
- var superInfos = typeDeclToMembers.get(superClassOrInterface);
- return !!superInfos && superInfos.some(function (_a) {
- var token = _a.token;
- return token.text === info.token.text;
- });
- }))
- return "continue";
- var parentDeclaration = info.parentDeclaration, declSourceFile = info.declSourceFile, inJs = info.inJs, makeStatic = info.makeStatic, token = info.token, call = info.call;
- // Always prefer to add a method declaration if possible.
- if (call && !ts.isPrivateIdentifier(token)) {
- addMethodDeclaration(context, changes, declSourceFile, parentDeclaration, token, call, makeStatic, inJs);
- }
- else {
- if (inJs && !ts.isInterfaceDeclaration(parentDeclaration)) {
- addMissingMemberInJs(changes, declSourceFile, parentDeclaration, token, makeStatic);
- }
- else {
- var typeNode = getTypeNode(program.getTypeChecker(), parentDeclaration, token);
- addPropertyDeclaration(changes, declSourceFile, parentDeclaration, token.text, typeNode, makeStatic ? 32 /* Static */ : 0);
- }
- }
- };
- for (var _i = 0, infos_1 = infos; _i < infos_1.length; _i++) {
- var info = infos_1[_i];
- _loop_13(info);
- }
- });
- }));
- },
- });
- function getAllSupers(decl, checker) {
- var res = [];
- while (decl) {
- var superElement = ts.getClassExtendsHeritageElement(decl);
- var superSymbol = superElement && checker.getSymbolAtLocation(superElement.expression);
- var superDecl = superSymbol && ts.find(superSymbol.declarations, ts.isClassLike);
- if (superDecl) {
- res.push(superDecl);
- }
- decl = superDecl;
- }
- return res;
- }
- var InfoKind;
- (function (InfoKind) {
- InfoKind[InfoKind["Enum"] = 0] = "Enum";
- InfoKind[InfoKind["ClassOrInterface"] = 1] = "ClassOrInterface";
- })(InfoKind || (InfoKind = {}));
- function getInfo(tokenSourceFile, tokenPos, checker, program) {
- // The identifier of the missing property. eg:
- // this.missing = 1;
- // ^^^^^^^
- var token = ts.getTokenAtPosition(tokenSourceFile, tokenPos);
- if (!ts.isIdentifier(token) && !ts.isPrivateIdentifier(token)) {
- return undefined;
- }
- var parent = token.parent;
- if (!ts.isPropertyAccessExpression(parent))
- return undefined;
- var leftExpressionType = ts.skipConstraint(checker.getTypeAtLocation(parent.expression));
- var symbol = leftExpressionType.symbol;
- if (!symbol || !symbol.declarations)
- return undefined;
- var classDeclaration = ts.find(symbol.declarations, ts.isClassLike);
- // Don't suggest adding private identifiers to anything other than a class.
- if (!classDeclaration && ts.isPrivateIdentifier(token)) {
- return undefined;
- }
- // Prefer to change the class instead of the interface if they are merged
- var classOrInterface = classDeclaration || ts.find(symbol.declarations, ts.isInterfaceDeclaration);
- if (classOrInterface && !program.isSourceFileFromExternalLibrary(classOrInterface.getSourceFile())) {
- var makeStatic = (leftExpressionType.target || leftExpressionType) !== checker.getDeclaredTypeOfSymbol(symbol);
- if (makeStatic && (ts.isPrivateIdentifier(token) || ts.isInterfaceDeclaration(classOrInterface))) {
- return undefined;
- }
- var declSourceFile = classOrInterface.getSourceFile();
- var inJs = ts.isSourceFileJS(declSourceFile);
- var call = ts.tryCast(parent.parent, ts.isCallExpression);
- return { kind: 1 /* ClassOrInterface */, token: token, parentDeclaration: classOrInterface, makeStatic: makeStatic, declSourceFile: declSourceFile, inJs: inJs, call: call };
- }
- var enumDeclaration = ts.find(symbol.declarations, ts.isEnumDeclaration);
- if (enumDeclaration && !ts.isPrivateIdentifier(token) && !program.isSourceFileFromExternalLibrary(enumDeclaration.getSourceFile())) {
- return { kind: 0 /* Enum */, token: token, parentDeclaration: enumDeclaration };
- }
- return undefined;
- }
- function getActionsForAddMissingMemberInJavascriptFile(context, declSourceFile, classDeclaration, token, makeStatic) {
- var changes = ts.textChanges.ChangeTracker.with(context, function (t) { return addMissingMemberInJs(t, declSourceFile, classDeclaration, token, makeStatic); });
- if (changes.length === 0) {
- return undefined;
- }
- var diagnostic = makeStatic ? ts.Diagnostics.Initialize_static_property_0 :
- ts.isPrivateIdentifier(token) ? ts.Diagnostics.Declare_a_private_field_named_0 : ts.Diagnostics.Initialize_property_0_in_the_constructor;
- return codefix.createCodeFixAction(fixName, changes, [diagnostic, token.text], fixId, ts.Diagnostics.Add_all_missing_members);
- }
- function addMissingMemberInJs(changeTracker, declSourceFile, classDeclaration, token, makeStatic) {
- var tokenName = token.text;
- if (makeStatic) {
- if (classDeclaration.kind === 214 /* ClassExpression */) {
- return;
- }
- var className = classDeclaration.name.getText();
- var staticInitialization = initializePropertyToUndefined(ts.createIdentifier(className), tokenName);
- changeTracker.insertNodeAfter(declSourceFile, classDeclaration, staticInitialization);
- }
- else if (ts.isPrivateIdentifier(token)) {
- var property = ts.createProperty(
- /*decorators*/ undefined,
- /*modifiers*/ undefined, tokenName,
- /*questionToken*/ undefined,
- /*type*/ undefined,
- /*initializer*/ undefined);
- var lastProp = getNodeToInsertPropertyAfter(classDeclaration);
- if (lastProp) {
- changeTracker.insertNodeAfter(declSourceFile, lastProp, property);
- }
- else {
- changeTracker.insertNodeAtClassStart(declSourceFile, classDeclaration, property);
- }
- }
- else {
- var classConstructor = ts.getFirstConstructorWithBody(classDeclaration);
- if (!classConstructor) {
- return;
- }
- var propertyInitialization = initializePropertyToUndefined(ts.createThis(), tokenName);
- changeTracker.insertNodeAtConstructorEnd(declSourceFile, classConstructor, propertyInitialization);
- }
- }
- function initializePropertyToUndefined(obj, propertyName) {
- return ts.createStatement(ts.createAssignment(ts.createPropertyAccess(obj, propertyName), ts.createIdentifier("undefined")));
- }
- function getActionsForAddMissingMemberInTypeScriptFile(context, declSourceFile, classDeclaration, token, makeStatic) {
- var typeNode = getTypeNode(context.program.getTypeChecker(), classDeclaration, token);
- var actions = [createAddPropertyDeclarationAction(context, declSourceFile, classDeclaration, token.text, typeNode, makeStatic ? 32 /* Static */ : 0)];
- if (makeStatic || ts.isPrivateIdentifier(token)) {
- return actions;
- }
- if (ts.startsWithUnderscore(token.text)) {
- actions.unshift(createAddPropertyDeclarationAction(context, declSourceFile, classDeclaration, token.text, typeNode, 8 /* Private */));
- }
- actions.push(createAddIndexSignatureAction(context, declSourceFile, classDeclaration, token.text, typeNode));
- return actions;
- }
- function getTypeNode(checker, classDeclaration, token) {
- var typeNode;
- if (token.parent.parent.kind === 209 /* BinaryExpression */) {
- var binaryExpression = token.parent.parent;
- var otherExpression = token.parent === binaryExpression.left ? binaryExpression.right : binaryExpression.left;
- var widenedType = checker.getWidenedType(checker.getBaseTypeOfLiteralType(checker.getTypeAtLocation(otherExpression)));
- typeNode = checker.typeToTypeNode(widenedType, classDeclaration, /*flags*/ undefined);
- }
- else {
- var contextualType = checker.getContextualType(token.parent);
- typeNode = contextualType ? checker.typeToTypeNode(contextualType, /*enclosingDeclaration*/ undefined, /*flags*/ undefined) : undefined;
- }
- return typeNode || ts.createKeywordTypeNode(125 /* AnyKeyword */);
- }
- function createAddPropertyDeclarationAction(context, declSourceFile, classDeclaration, tokenName, typeNode, modifierFlags) {
- var changes = ts.textChanges.ChangeTracker.with(context, function (t) { return addPropertyDeclaration(t, declSourceFile, classDeclaration, tokenName, typeNode, modifierFlags); });
- if (modifierFlags & 8 /* Private */) {
- return codefix.createCodeFixActionWithoutFixAll(fixName, changes, [ts.Diagnostics.Declare_private_property_0, tokenName]);
- }
- return codefix.createCodeFixAction(fixName, changes, [modifierFlags & 32 /* Static */ ? ts.Diagnostics.Declare_static_property_0 : ts.Diagnostics.Declare_property_0, tokenName], fixId, ts.Diagnostics.Add_all_missing_members);
- }
- function addPropertyDeclaration(changeTracker, declSourceFile, classDeclaration, tokenName, typeNode, modifierFlags) {
- var property = ts.createProperty(
- /*decorators*/ undefined,
- /*modifiers*/ modifierFlags ? ts.createNodeArray(ts.createModifiersFromModifierFlags(modifierFlags)) : undefined, tokenName,
- /*questionToken*/ undefined, typeNode,
- /*initializer*/ undefined);
- var lastProp = getNodeToInsertPropertyAfter(classDeclaration);
- if (lastProp) {
- changeTracker.insertNodeAfter(declSourceFile, lastProp, property);
- }
- else {
- changeTracker.insertNodeAtClassStart(declSourceFile, classDeclaration, property);
- }
- }
- // Gets the last of the first run of PropertyDeclarations, or undefined if the class does not start with a PropertyDeclaration.
- function getNodeToInsertPropertyAfter(cls) {
- var res;
- for (var _i = 0, _a = cls.members; _i < _a.length; _i++) {
- var member = _a[_i];
- if (!ts.isPropertyDeclaration(member))
- break;
- res = member;
- }
- return res;
- }
- function createAddIndexSignatureAction(context, declSourceFile, classDeclaration, tokenName, typeNode) {
- // Index signatures cannot have the static modifier.
- var stringTypeNode = ts.createKeywordTypeNode(143 /* StringKeyword */);
- var indexingParameter = ts.createParameter(
- /*decorators*/ undefined,
- /*modifiers*/ undefined,
- /*dotDotDotToken*/ undefined, "x",
- /*questionToken*/ undefined, stringTypeNode,
- /*initializer*/ undefined);
- var indexSignature = ts.createIndexSignature(
- /*decorators*/ undefined,
- /*modifiers*/ undefined, [indexingParameter], typeNode);
- var changes = ts.textChanges.ChangeTracker.with(context, function (t) { return t.insertNodeAtClassStart(declSourceFile, classDeclaration, indexSignature); });
- // No fixId here because code-fix-all currently only works on adding individual named properties.
- return codefix.createCodeFixActionWithoutFixAll(fixName, changes, [ts.Diagnostics.Add_index_signature_for_property_0, tokenName]);
- }
- function getActionForMethodDeclaration(context, declSourceFile, classDeclaration, token, callExpression, makeStatic, inJs) {
- // Private methods are not implemented yet.
- if (ts.isPrivateIdentifier(token)) {
- return undefined;
- }
- var changes = ts.textChanges.ChangeTracker.with(context, function (t) { return addMethodDeclaration(context, t, declSourceFile, classDeclaration, token, callExpression, makeStatic, inJs); });
- return codefix.createCodeFixAction(fixName, changes, [makeStatic ? ts.Diagnostics.Declare_static_method_0 : ts.Diagnostics.Declare_method_0, token.text], fixId, ts.Diagnostics.Add_all_missing_members);
- }
- function addMethodDeclaration(context, changeTracker, declSourceFile, typeDecl, token, callExpression, makeStatic, inJs) {
- var importAdder = codefix.createImportAdder(declSourceFile, context.program, context.preferences, context.host);
- var methodDeclaration = codefix.createMethodFromCallExpression(context, callExpression, token.text, inJs, makeStatic, typeDecl, importAdder);
- var containingMethodDeclaration = ts.getAncestor(callExpression, 161 /* MethodDeclaration */);
- if (containingMethodDeclaration && containingMethodDeclaration.parent === typeDecl) {
- changeTracker.insertNodeAfter(declSourceFile, containingMethodDeclaration, methodDeclaration);
- }
- else {
- changeTracker.insertNodeAtClassStart(declSourceFile, typeDecl, methodDeclaration);
- }
- importAdder.writeFixes(changeTracker);
- }
- function addEnumMemberDeclaration(changes, checker, token, enumDeclaration) {
- /**
- * create initializer only literal enum that has string initializer.
- * value of initializer is a string literal that equal to name of enum member.
- * numeric enum or empty enum will not create initializer.
- */
- var hasStringInitializer = ts.some(enumDeclaration.members, function (member) {
- var type = checker.getTypeAtLocation(member);
- return !!(type && type.flags & 132 /* StringLike */);
- });
- var enumMember = ts.createEnumMember(token, hasStringInitializer ? ts.createStringLiteral(token.text) : undefined);
- changes.replaceNode(enumDeclaration.getSourceFile(), enumDeclaration, ts.updateEnumDeclaration(enumDeclaration, enumDeclaration.decorators, enumDeclaration.modifiers, enumDeclaration.name, ts.concatenate(enumDeclaration.members, ts.singleElementArray(enumMember))), {
- leadingTriviaOption: ts.textChanges.LeadingTriviaOption.IncludeAll,
- trailingTriviaOption: ts.textChanges.TrailingTriviaOption.Exclude
- });
- }
- })(codefix = ts.codefix || (ts.codefix = {}));
-})(ts || (ts = {}));
-/* @internal */
-var ts;
-(function (ts) {
- var codefix;
- (function (codefix) {
- var fixId = "addMissingNewOperator";
- var errorCodes = [ts.Diagnostics.Value_of_type_0_is_not_callable_Did_you_mean_to_include_new.code];
- codefix.registerCodeFix({
- errorCodes: errorCodes,
- getCodeActions: function (context) {
- var sourceFile = context.sourceFile, span = context.span;
- var changes = ts.textChanges.ChangeTracker.with(context, function (t) { return addMissingNewOperator(t, sourceFile, span); });
- return [codefix.createCodeFixAction(fixId, changes, ts.Diagnostics.Add_missing_new_operator_to_call, fixId, ts.Diagnostics.Add_missing_new_operator_to_all_calls)];
- },
- fixIds: [fixId],
- getAllCodeActions: function (context) { return codefix.codeFixAll(context, errorCodes, function (changes, diag) {
- return addMissingNewOperator(changes, context.sourceFile, diag);
- }); },
- });
- function addMissingNewOperator(changes, sourceFile, span) {
- var call = ts.cast(findAncestorMatchingSpan(sourceFile, span), ts.isCallExpression);
- var newExpression = ts.createNew(call.expression, call.typeArguments, call.arguments);
- changes.replaceNode(sourceFile, call, newExpression);
- }
- function findAncestorMatchingSpan(sourceFile, span) {
- var token = ts.getTokenAtPosition(sourceFile, span.start);
- var end = ts.textSpanEnd(span);
- while (token.end < end) {
- token = token.parent;
- }
- return token;
- }
- })(codefix = ts.codefix || (ts.codefix = {}));
-})(ts || (ts = {}));
-/* @internal */
-var ts;
-(function (ts) {
- var codefix;
- (function (codefix) {
- var fixName = "fixCannotFindModule";
- var fixIdInstallTypesPackage = "installTypesPackage";
- var errorCodeCannotFindModule = ts.Diagnostics.Cannot_find_module_0_or_its_corresponding_type_declarations.code;
- var errorCodes = [
- errorCodeCannotFindModule,
- ts.Diagnostics.Could_not_find_a_declaration_file_for_module_0_1_implicitly_has_an_any_type.code,
- ];
- codefix.registerCodeFix({
- errorCodes: errorCodes,
- getCodeActions: function (context) {
- var host = context.host, sourceFile = context.sourceFile, start = context.span.start;
- var packageName = tryGetImportedPackageName(sourceFile, start);
- if (packageName === undefined)
- return undefined;
- var typesPackageName = getTypesPackageNameToInstall(packageName, host, context.errorCode);
- return typesPackageName === undefined
- ? []
- : [codefix.createCodeFixAction(fixName, /*changes*/ [], [ts.Diagnostics.Install_0, typesPackageName], fixIdInstallTypesPackage, ts.Diagnostics.Install_all_missing_types_packages, getInstallCommand(sourceFile.fileName, typesPackageName))];
- },
- fixIds: [fixIdInstallTypesPackage],
- getAllCodeActions: function (context) {
- return codefix.codeFixAll(context, errorCodes, function (_changes, diag, commands) {
- var packageName = tryGetImportedPackageName(diag.file, diag.start);
- if (packageName === undefined)
- return undefined;
- switch (context.fixId) {
- case fixIdInstallTypesPackage: {
- var pkg = getTypesPackageNameToInstall(packageName, context.host, diag.code);
- if (pkg) {
- commands.push(getInstallCommand(diag.file.fileName, pkg));
- }
- break;
- }
- default:
- ts.Debug.fail("Bad fixId: " + context.fixId);
- }
- });
- },
- });
- function getInstallCommand(fileName, packageName) {
- return { type: "install package", file: fileName, packageName: packageName };
- }
- function tryGetImportedPackageName(sourceFile, pos) {
- var moduleName = ts.cast(ts.getTokenAtPosition(sourceFile, pos), ts.isStringLiteral).text;
- var packageName = ts.parsePackageName(moduleName).packageName;
- return ts.isExternalModuleNameRelative(packageName) ? undefined : packageName;
- }
- function getTypesPackageNameToInstall(packageName, host, diagCode) {
- return diagCode === errorCodeCannotFindModule
- ? (ts.JsTyping.nodeCoreModules.has(packageName) ? "@types/node" : undefined)
- : (host.isKnownTypesPackageName(packageName) ? ts.getTypesPackageName(packageName) : undefined); // TODO: GH#18217
- }
- })(codefix = ts.codefix || (ts.codefix = {}));
-})(ts || (ts = {}));
-/* @internal */
-var ts;
-(function (ts) {
- var codefix;
- (function (codefix) {
- var errorCodes = [
- ts.Diagnostics.Non_abstract_class_0_does_not_implement_inherited_abstract_member_1_from_class_2.code,
- ts.Diagnostics.Non_abstract_class_expression_does_not_implement_inherited_abstract_member_0_from_class_1.code,
- ];
- var fixId = "fixClassDoesntImplementInheritedAbstractMember";
- codefix.registerCodeFix({
- errorCodes: errorCodes,
- getCodeActions: function (context) {
- var sourceFile = context.sourceFile, span = context.span;
- var changes = ts.textChanges.ChangeTracker.with(context, function (t) {
- return addMissingMembers(getClass(sourceFile, span.start), sourceFile, context, t, context.preferences);
- });
- return changes.length === 0 ? undefined : [codefix.createCodeFixAction(fixId, changes, ts.Diagnostics.Implement_inherited_abstract_class, fixId, ts.Diagnostics.Implement_all_inherited_abstract_classes)];
- },
- fixIds: [fixId],
- getAllCodeActions: function (context) {
- var seenClassDeclarations = ts.createMap();
- return codefix.codeFixAll(context, errorCodes, function (changes, diag) {
- var classDeclaration = getClass(diag.file, diag.start);
- if (ts.addToSeen(seenClassDeclarations, ts.getNodeId(classDeclaration))) {
- addMissingMembers(classDeclaration, context.sourceFile, context, changes, context.preferences);
- }
- });
- },
- });
- function getClass(sourceFile, pos) {
- // Token is the identifier in the case of a class declaration
- // or the class keyword token in the case of a class expression.
- var token = ts.getTokenAtPosition(sourceFile, pos);
- return ts.cast(token.parent, ts.isClassLike);
- }
- function addMissingMembers(classDeclaration, sourceFile, context, changeTracker, preferences) {
- var extendsNode = ts.getEffectiveBaseTypeNode(classDeclaration);
- var checker = context.program.getTypeChecker();
- var instantiatedExtendsType = checker.getTypeAtLocation(extendsNode);
- // Note that this is ultimately derived from a map indexed by symbol names,
- // so duplicates cannot occur.
- var abstractAndNonPrivateExtendsSymbols = checker.getPropertiesOfType(instantiatedExtendsType).filter(symbolPointsToNonPrivateAndAbstractMember);
- var importAdder = codefix.createImportAdder(sourceFile, context.program, preferences, context.host);
- codefix.createMissingMemberNodes(classDeclaration, abstractAndNonPrivateExtendsSymbols, context, preferences, importAdder, function (member) { return changeTracker.insertNodeAtClassStart(sourceFile, classDeclaration, member); });
- importAdder.writeFixes(changeTracker);
- }
- function symbolPointsToNonPrivateAndAbstractMember(symbol) {
- // See `codeFixClassExtendAbstractProtectedProperty.ts` in https://github.com/Microsoft/TypeScript/pull/11547/files
- // (now named `codeFixClassExtendAbstractPrivateProperty.ts`)
- var flags = ts.getModifierFlags(ts.first(symbol.getDeclarations()));
- return !(flags & 8 /* Private */) && !!(flags & 128 /* Abstract */);
- }
- })(codefix = ts.codefix || (ts.codefix = {}));
-})(ts || (ts = {}));
-/* @internal */
-var ts;
-(function (ts) {
- var codefix;
- (function (codefix) {
- var fixId = "classSuperMustPrecedeThisAccess";
- var errorCodes = [ts.Diagnostics.super_must_be_called_before_accessing_this_in_the_constructor_of_a_derived_class.code];
- codefix.registerCodeFix({
- errorCodes: errorCodes,
- getCodeActions: function (context) {
- var sourceFile = context.sourceFile, span = context.span;
- var nodes = getNodes(sourceFile, span.start);
- if (!nodes)
- return undefined;
- var constructor = nodes.constructor, superCall = nodes.superCall;
- var changes = ts.textChanges.ChangeTracker.with(context, function (t) { return doChange(t, sourceFile, constructor, superCall); });
- return [codefix.createCodeFixAction(fixId, changes, ts.Diagnostics.Make_super_call_the_first_statement_in_the_constructor, fixId, ts.Diagnostics.Make_all_super_calls_the_first_statement_in_their_constructor)];
- },
- fixIds: [fixId],
- getAllCodeActions: function (context) {
- var sourceFile = context.sourceFile;
- var seenClasses = ts.createMap(); // Ensure we only do this once per class.
- return codefix.codeFixAll(context, errorCodes, function (changes, diag) {
- var nodes = getNodes(diag.file, diag.start);
- if (!nodes)
- return;
- var constructor = nodes.constructor, superCall = nodes.superCall;
- if (ts.addToSeen(seenClasses, ts.getNodeId(constructor.parent))) {
- doChange(changes, sourceFile, constructor, superCall);
- }
- });
- },
- });
- function doChange(changes, sourceFile, constructor, superCall) {
- changes.insertNodeAtConstructorStart(sourceFile, constructor, superCall);
- changes.delete(sourceFile, superCall);
- }
- function getNodes(sourceFile, pos) {
- var token = ts.getTokenAtPosition(sourceFile, pos);
- if (token.kind !== 104 /* ThisKeyword */)
- return undefined;
- var constructor = ts.getContainingFunction(token);
- var superCall = findSuperCall(constructor.body);
- // figure out if the `this` access is actually inside the supercall
- // i.e. super(this.a), since in that case we won't suggest a fix
- return superCall && !superCall.expression.arguments.some(function (arg) { return ts.isPropertyAccessExpression(arg) && arg.expression === token; }) ? { constructor: constructor, superCall: superCall } : undefined;
- }
- function findSuperCall(n) {
- return ts.isExpressionStatement(n) && ts.isSuperCall(n.expression)
- ? n
- : ts.isFunctionLike(n)
- ? undefined
- : ts.forEachChild(n, findSuperCall);
- }
- })(codefix = ts.codefix || (ts.codefix = {}));
-})(ts || (ts = {}));
-/* @internal */
-var ts;
-(function (ts) {
- var codefix;
- (function (codefix) {
- var fixId = "constructorForDerivedNeedSuperCall";
- var errorCodes = [ts.Diagnostics.Constructors_for_derived_classes_must_contain_a_super_call.code];
- codefix.registerCodeFix({
- errorCodes: errorCodes,
- getCodeActions: function (context) {
- var sourceFile = context.sourceFile, span = context.span;
- var ctr = getNode(sourceFile, span.start);
- var changes = ts.textChanges.ChangeTracker.with(context, function (t) { return doChange(t, sourceFile, ctr); });
- return [codefix.createCodeFixAction(fixId, changes, ts.Diagnostics.Add_missing_super_call, fixId, ts.Diagnostics.Add_all_missing_super_calls)];
- },
- fixIds: [fixId],
- getAllCodeActions: function (context) { return codefix.codeFixAll(context, errorCodes, function (changes, diag) {
- return doChange(changes, context.sourceFile, getNode(diag.file, diag.start));
- }); },
- });
- function getNode(sourceFile, pos) {
- var token = ts.getTokenAtPosition(sourceFile, pos);
- ts.Debug.assert(ts.isConstructorDeclaration(token.parent), "token should be at the constructor declaration");
- return token.parent;
- }
- function doChange(changes, sourceFile, ctr) {
- var superCall = ts.createStatement(ts.createCall(ts.createSuper(), /*typeArguments*/ undefined, /*argumentsArray*/ ts.emptyArray));
- changes.insertNodeAtConstructorStart(sourceFile, ctr, superCall);
- }
- })(codefix = ts.codefix || (ts.codefix = {}));
-})(ts || (ts = {}));
-/* @internal */
-var ts;
-(function (ts) {
- var codefix;
- (function (codefix) {
- var fixId = "enableExperimentalDecorators";
- var errorCodes = [
- ts.Diagnostics.Experimental_support_for_decorators_is_a_feature_that_is_subject_to_change_in_a_future_release_Set_the_experimentalDecorators_option_in_your_tsconfig_or_jsconfig_to_remove_this_warning.code
- ];
- codefix.registerCodeFix({
- errorCodes: errorCodes,
- getCodeActions: function (context) {
- var configFile = context.program.getCompilerOptions().configFile;
- if (configFile === undefined) {
- return undefined;
- }
- var changes = ts.textChanges.ChangeTracker.with(context, function (changeTracker) { return doChange(changeTracker, configFile); });
- return [codefix.createCodeFixActionWithoutFixAll(fixId, changes, ts.Diagnostics.Enable_the_experimentalDecorators_option_in_your_configuration_file)];
- },
- fixIds: [fixId],
- getAllCodeActions: function (context) { return codefix.codeFixAll(context, errorCodes, function (changes) {
- var configFile = context.program.getCompilerOptions().configFile;
- if (configFile === undefined) {
- return undefined;
- }
- doChange(changes, configFile);
- }); },
- });
- function doChange(changeTracker, configFile) {
- codefix.setJsonCompilerOptionValue(changeTracker, configFile, "experimentalDecorators", ts.createTrue());
- }
- })(codefix = ts.codefix || (ts.codefix = {}));
-})(ts || (ts = {}));
-/* @internal */
-var ts;
-(function (ts) {
- var codefix;
- (function (codefix) {
- var fixID = "fixEnableJsxFlag";
- var errorCodes = [ts.Diagnostics.Cannot_use_JSX_unless_the_jsx_flag_is_provided.code];
- codefix.registerCodeFix({
- errorCodes: errorCodes,
- getCodeActions: function (context) {
- var configFile = context.program.getCompilerOptions().configFile;
- if (configFile === undefined) {
- return undefined;
- }
- var changes = ts.textChanges.ChangeTracker.with(context, function (changeTracker) {
- return doChange(changeTracker, configFile);
- });
- return [
- codefix.createCodeFixActionWithoutFixAll(fixID, changes, ts.Diagnostics.Enable_the_jsx_flag_in_your_configuration_file)
- ];
- },
- fixIds: [fixID],
- getAllCodeActions: function (context) {
- return codefix.codeFixAll(context, errorCodes, function (changes) {
- var configFile = context.program.getCompilerOptions().configFile;
- if (configFile === undefined) {
- return undefined;
- }
- doChange(changes, configFile);
- });
- }
- });
- function doChange(changeTracker, configFile) {
- codefix.setJsonCompilerOptionValue(changeTracker, configFile, "jsx", ts.createStringLiteral("react"));
- }
- })(codefix = ts.codefix || (ts.codefix = {}));
-})(ts || (ts = {}));
-/* @internal */
-var ts;
-(function (ts) {
- var codefix;
- (function (codefix) {
- codefix.registerCodeFix({
- errorCodes: [ts.Diagnostics.Top_level_await_expressions_are_only_allowed_when_the_module_option_is_set_to_esnext_or_system_and_the_target_option_is_set_to_es2017_or_higher.code],
- getCodeActions: function (context) {
- var compilerOptions = context.program.getCompilerOptions();
- var configFile = compilerOptions.configFile;
- if (configFile === undefined) {
- return undefined;
- }
- var codeFixes = [];
- var moduleKind = ts.getEmitModuleKind(compilerOptions);
- var moduleOutOfRange = moduleKind >= ts.ModuleKind.ES2015 && moduleKind < ts.ModuleKind.ESNext;
- if (moduleOutOfRange) {
- var changes = ts.textChanges.ChangeTracker.with(context, function (changes) {
- codefix.setJsonCompilerOptionValue(changes, configFile, "module", ts.createStringLiteral("esnext"));
- });
- codeFixes.push(codefix.createCodeFixActionWithoutFixAll("fixModuleOption", changes, [ts.Diagnostics.Set_the_module_option_in_your_configuration_file_to_0, "esnext"]));
- }
- var target = ts.getEmitScriptTarget(compilerOptions);
- var targetOutOfRange = target < 4 /* ES2017 */ || target > 99 /* ESNext */;
- if (targetOutOfRange) {
- var changes = ts.textChanges.ChangeTracker.with(context, function (tracker) {
- var configObject = ts.getTsConfigObjectLiteralExpression(configFile);
- if (!configObject)
- return;
- var options = [["target", ts.createStringLiteral("es2017")]];
- if (moduleKind === ts.ModuleKind.CommonJS) {
- // Ensure we preserve the default module kind (commonjs), as targets >= ES2015 have a default module kind of es2015.
- options.push(["module", ts.createStringLiteral("commonjs")]);
- }
- codefix.setJsonCompilerOptionValues(tracker, configFile, options);
- });
- codeFixes.push(codefix.createCodeFixActionWithoutFixAll("fixTargetOption", changes, [ts.Diagnostics.Set_the_target_option_in_your_configuration_file_to_0, "es2017"]));
- }
- return codeFixes.length ? codeFixes : undefined;
- }
- });
- })(codefix = ts.codefix || (ts.codefix = {}));
-})(ts || (ts = {}));
-/* @internal */
-var ts;
-(function (ts) {
- var codefix;
- (function (codefix) {
- var fixId = "extendsInterfaceBecomesImplements";
- var errorCodes = [ts.Diagnostics.Cannot_extend_an_interface_0_Did_you_mean_implements.code];
- codefix.registerCodeFix({
- errorCodes: errorCodes,
- getCodeActions: function (context) {
- var sourceFile = context.sourceFile;
- var nodes = getNodes(sourceFile, context.span.start);
- if (!nodes)
- return undefined;
- var extendsToken = nodes.extendsToken, heritageClauses = nodes.heritageClauses;
- var changes = ts.textChanges.ChangeTracker.with(context, function (t) { return doChanges(t, sourceFile, extendsToken, heritageClauses); });
- return [codefix.createCodeFixAction(fixId, changes, ts.Diagnostics.Change_extends_to_implements, fixId, ts.Diagnostics.Change_all_extended_interfaces_to_implements)];
- },
- fixIds: [fixId],
- getAllCodeActions: function (context) { return codefix.codeFixAll(context, errorCodes, function (changes, diag) {
- var nodes = getNodes(diag.file, diag.start);
- if (nodes)
- doChanges(changes, diag.file, nodes.extendsToken, nodes.heritageClauses);
- }); },
- });
- function getNodes(sourceFile, pos) {
- var token = ts.getTokenAtPosition(sourceFile, pos);
- var heritageClauses = ts.getContainingClass(token).heritageClauses;
- var extendsToken = heritageClauses[0].getFirstToken();
- return extendsToken.kind === 90 /* ExtendsKeyword */ ? { extendsToken: extendsToken, heritageClauses: heritageClauses } : undefined;
- }
- function doChanges(changes, sourceFile, extendsToken, heritageClauses) {
- changes.replaceNode(sourceFile, extendsToken, ts.createToken(113 /* ImplementsKeyword */));
- // If there is already an implements clause, replace the implements keyword with a comma.
- if (heritageClauses.length === 2 &&
- heritageClauses[0].token === 90 /* ExtendsKeyword */ &&
- heritageClauses[1].token === 113 /* ImplementsKeyword */) {
- var implementsToken = heritageClauses[1].getFirstToken();
- var implementsFullStart = implementsToken.getFullStart();
- changes.replaceRange(sourceFile, { pos: implementsFullStart, end: implementsFullStart }, ts.createToken(27 /* CommaToken */));
- // Rough heuristic: delete trailing whitespace after keyword so that it's not excessive.
- // (Trailing because leading might be indentation, which is more sensitive.)
- var text = sourceFile.text;
- var end = implementsToken.end;
- while (end < text.length && ts.isWhiteSpaceSingleLine(text.charCodeAt(end))) {
- end++;
- }
- changes.deleteRange(sourceFile, { pos: implementsToken.getStart(), end: end });
- }
- }
- })(codefix = ts.codefix || (ts.codefix = {}));
-})(ts || (ts = {}));
-/* @internal */
-var ts;
-(function (ts) {
- var codefix;
- (function (codefix) {
- var fixId = "forgottenThisPropertyAccess";
- var didYouMeanStaticMemberCode = ts.Diagnostics.Cannot_find_name_0_Did_you_mean_the_static_member_1_0.code;
- var errorCodes = [
- ts.Diagnostics.Cannot_find_name_0_Did_you_mean_the_instance_member_this_0.code,
- ts.Diagnostics.Private_identifiers_are_not_allowed_outside_class_bodies.code,
- didYouMeanStaticMemberCode,
- ];
- codefix.registerCodeFix({
- errorCodes: errorCodes,
- getCodeActions: function (context) {
- var sourceFile = context.sourceFile;
- var info = getInfo(sourceFile, context.span.start, context.errorCode);
- if (!info) {
- return undefined;
- }
- var changes = ts.textChanges.ChangeTracker.with(context, function (t) { return doChange(t, sourceFile, info); });
- return [codefix.createCodeFixAction(fixId, changes, [ts.Diagnostics.Add_0_to_unresolved_variable, info.className || "this"], fixId, ts.Diagnostics.Add_qualifier_to_all_unresolved_variables_matching_a_member_name)];
- },
- fixIds: [fixId],
- getAllCodeActions: function (context) { return codefix.codeFixAll(context, errorCodes, function (changes, diag) {
- var info = getInfo(diag.file, diag.start, diag.code);
- if (info)
- doChange(changes, context.sourceFile, info);
- }); },
- });
- function getInfo(sourceFile, pos, diagCode) {
- var node = ts.getTokenAtPosition(sourceFile, pos);
- if (ts.isIdentifier(node)) {
- return { node: node, className: diagCode === didYouMeanStaticMemberCode ? ts.getContainingClass(node).name.text : undefined };
- }
- }
- function doChange(changes, sourceFile, _a) {
- var node = _a.node, className = _a.className;
- // TODO (https://github.com/Microsoft/TypeScript/issues/21246): use shared helper
- ts.suppressLeadingAndTrailingTrivia(node);
- changes.replaceNode(sourceFile, node, ts.createPropertyAccess(className ? ts.createIdentifier(className) : ts.createThis(), node));
- }
- })(codefix = ts.codefix || (ts.codefix = {}));
-})(ts || (ts = {}));
-/* @internal */
-var ts;
-(function (ts) {
- var codefix;
- (function (codefix) {
- var fixIdExpression = "fixInvalidJsxCharacters_expression";
- var fixIdHtmlEntity = "fixInvalidJsxCharacters_htmlEntity";
- var errorCodes = [
- ts.Diagnostics.Unexpected_token_Did_you_mean_or_gt.code,
- ts.Diagnostics.Unexpected_token_Did_you_mean_or_rbrace.code
- ];
- codefix.registerCodeFix({
- errorCodes: errorCodes,
- fixIds: [fixIdExpression, fixIdHtmlEntity],
- getCodeActions: function (context) {
- var sourceFile = context.sourceFile, preferences = context.preferences, span = context.span;
- var changeToExpression = ts.textChanges.ChangeTracker.with(context, function (t) { return doChange(t, preferences, sourceFile, span.start, /* useHtmlEntity */ false); });
- var changeToHtmlEntity = ts.textChanges.ChangeTracker.with(context, function (t) { return doChange(t, preferences, sourceFile, span.start, /* useHtmlEntity */ true); });
- return [
- codefix.createCodeFixAction(fixIdExpression, changeToExpression, ts.Diagnostics.Wrap_invalid_character_in_an_expression_container, fixIdExpression, ts.Diagnostics.Wrap_all_invalid_characters_in_an_expression_container),
- codefix.createCodeFixAction(fixIdHtmlEntity, changeToHtmlEntity, ts.Diagnostics.Convert_invalid_character_to_its_html_entity_code, fixIdHtmlEntity, ts.Diagnostics.Convert_all_invalid_characters_to_HTML_entity_code)
- ];
- },
- getAllCodeActions: function (context) {
- return codefix.codeFixAll(context, errorCodes, function (changes, diagnostic) { return doChange(changes, context.preferences, diagnostic.file, diagnostic.start, context.fixId === fixIdHtmlEntity); });
- }
- });
- var htmlEntity = {
- ">": ">",
- "}": "}",
- };
- function isValidCharacter(character) {
- return ts.hasProperty(htmlEntity, character);
- }
- function doChange(changes, preferences, sourceFile, start, useHtmlEntity) {
- var character = sourceFile.getText()[start];
- // sanity check
- if (!isValidCharacter(character)) {
- return;
- }
- var replacement = useHtmlEntity ? htmlEntity[character] : "{" + ts.quote(character, preferences) + "}";
- changes.replaceRangeWithText(sourceFile, { pos: start, end: start + 1 }, replacement);
- }
- })(codefix = ts.codefix || (ts.codefix = {}));
-})(ts || (ts = {}));
-/* @internal */
-var ts;
-(function (ts) {
- var codefix;
- (function (codefix) {
- var fixName = "unusedIdentifier";
- var fixIdPrefix = "unusedIdentifier_prefix";
- var fixIdDelete = "unusedIdentifier_delete";
- var fixIdInfer = "unusedIdentifier_infer";
- var errorCodes = [
- ts.Diagnostics._0_is_declared_but_its_value_is_never_read.code,
- ts.Diagnostics._0_is_declared_but_never_used.code,
- ts.Diagnostics.Property_0_is_declared_but_its_value_is_never_read.code,
- ts.Diagnostics.All_imports_in_import_declaration_are_unused.code,
- ts.Diagnostics.All_destructured_elements_are_unused.code,
- ts.Diagnostics.All_variables_are_unused.code,
- ts.Diagnostics.All_type_parameters_are_unused.code,
- ];
- codefix.registerCodeFix({
- errorCodes: errorCodes,
- getCodeActions: function (context) {
- var errorCode = context.errorCode, sourceFile = context.sourceFile, program = context.program;
- var checker = program.getTypeChecker();
- var sourceFiles = program.getSourceFiles();
- var token = ts.getTokenAtPosition(sourceFile, context.span.start);
- if (ts.isJSDocTemplateTag(token)) {
- return [createDeleteFix(ts.textChanges.ChangeTracker.with(context, function (t) { return t.delete(sourceFile, token); }), ts.Diagnostics.Remove_template_tag)];
- }
- if (token.kind === 29 /* LessThanToken */) {
- var changes = ts.textChanges.ChangeTracker.with(context, function (t) { return deleteTypeParameters(t, sourceFile, token); });
- return [createDeleteFix(changes, ts.Diagnostics.Remove_type_parameters)];
- }
- var importDecl = tryGetFullImport(token);
- if (importDecl) {
- var changes = ts.textChanges.ChangeTracker.with(context, function (t) { return t.delete(sourceFile, importDecl); });
- return [createDeleteFix(changes, [ts.Diagnostics.Remove_import_from_0, ts.showModuleSpecifier(importDecl)])];
- }
- var delDestructure = ts.textChanges.ChangeTracker.with(context, function (t) {
- return tryDeleteFullDestructure(token, t, sourceFile, checker, sourceFiles, /*isFixAll*/ false);
- });
- if (delDestructure.length) {
- return [createDeleteFix(delDestructure, ts.Diagnostics.Remove_destructuring)];
- }
- var delVar = ts.textChanges.ChangeTracker.with(context, function (t) { return tryDeleteFullVariableStatement(sourceFile, token, t); });
- if (delVar.length) {
- return [createDeleteFix(delVar, ts.Diagnostics.Remove_variable_statement)];
- }
- var result = [];
- if (token.kind === 132 /* InferKeyword */) {
- var changes = ts.textChanges.ChangeTracker.with(context, function (t) { return changeInferToUnknown(t, sourceFile, token); });
- var name = ts.cast(token.parent, ts.isInferTypeNode).typeParameter.name.text;
- result.push(codefix.createCodeFixAction(fixName, changes, [ts.Diagnostics.Replace_infer_0_with_unknown, name], fixIdInfer, ts.Diagnostics.Replace_all_unused_infer_with_unknown));
- }
- else {
- var deletion = ts.textChanges.ChangeTracker.with(context, function (t) {
- return tryDeleteDeclaration(sourceFile, token, t, checker, sourceFiles, /*isFixAll*/ false);
- });
- if (deletion.length) {
- var name = ts.isComputedPropertyName(token.parent) ? token.parent : token;
- result.push(createDeleteFix(deletion, [ts.Diagnostics.Remove_unused_declaration_for_Colon_0, name.getText(sourceFile)]));
- }
- }
- var prefix = ts.textChanges.ChangeTracker.with(context, function (t) { return tryPrefixDeclaration(t, errorCode, sourceFile, token); });
- if (prefix.length) {
- result.push(codefix.createCodeFixAction(fixName, prefix, [ts.Diagnostics.Prefix_0_with_an_underscore, token.getText(sourceFile)], fixIdPrefix, ts.Diagnostics.Prefix_all_unused_declarations_with_where_possible));
- }
- return result;
- },
- fixIds: [fixIdPrefix, fixIdDelete, fixIdInfer],
- getAllCodeActions: function (context) {
- var sourceFile = context.sourceFile, program = context.program;
- var checker = program.getTypeChecker();
- var sourceFiles = program.getSourceFiles();
- return codefix.codeFixAll(context, errorCodes, function (changes, diag) {
- var token = ts.getTokenAtPosition(sourceFile, diag.start);
- switch (context.fixId) {
- case fixIdPrefix:
- tryPrefixDeclaration(changes, diag.code, sourceFile, token);
- break;
- case fixIdDelete: {
- if (token.kind === 132 /* InferKeyword */)
- break; // Can't delete
- var importDecl = tryGetFullImport(token);
- if (importDecl) {
- changes.delete(sourceFile, importDecl);
- }
- else if (ts.isJSDocTemplateTag(token)) {
- changes.delete(sourceFile, token);
- }
- else if (token.kind === 29 /* LessThanToken */) {
- deleteTypeParameters(changes, sourceFile, token);
- }
- else if (!tryDeleteFullDestructure(token, changes, sourceFile, checker, sourceFiles, /*isFixAll*/ true) &&
- !tryDeleteFullVariableStatement(sourceFile, token, changes)) {
- tryDeleteDeclaration(sourceFile, token, changes, checker, sourceFiles, /*isFixAll*/ true);
- }
- break;
- }
- case fixIdInfer:
- if (token.kind === 132 /* InferKeyword */) {
- changeInferToUnknown(changes, sourceFile, token);
- }
- break;
- default:
- ts.Debug.fail(JSON.stringify(context.fixId));
- }
- });
- },
- });
- function changeInferToUnknown(changes, sourceFile, token) {
- changes.replaceNode(sourceFile, token.parent, ts.createKeywordTypeNode(148 /* UnknownKeyword */));
- }
- function createDeleteFix(changes, diag) {
- return codefix.createCodeFixAction(fixName, changes, diag, fixIdDelete, ts.Diagnostics.Delete_all_unused_declarations);
- }
- function deleteTypeParameters(changes, sourceFile, token) {
- changes.delete(sourceFile, ts.Debug.checkDefined(ts.cast(token.parent, ts.isDeclarationWithTypeParameterChildren).typeParameters, "The type parameter to delete should exist"));
- }
- // Sometimes the diagnostic span is an entire ImportDeclaration, so we should remove the whole thing.
- function tryGetFullImport(token) {
- return token.kind === 96 /* ImportKeyword */ ? ts.tryCast(token.parent, ts.isImportDeclaration) : undefined;
- }
- function tryDeleteFullDestructure(token, changes, sourceFile, checker, sourceFiles, isFixAll) {
- if (token.kind !== 18 /* OpenBraceToken */ || !ts.isObjectBindingPattern(token.parent))
- return false;
- var decl = token.parent.parent;
- if (decl.kind === 156 /* Parameter */) {
- tryDeleteParameter(changes, sourceFile, decl, checker, sourceFiles, isFixAll);
- }
- else {
- changes.delete(sourceFile, decl);
- }
- return true;
- }
- function tryDeleteFullVariableStatement(sourceFile, token, changes) {
- var declarationList = ts.tryCast(token.parent, ts.isVariableDeclarationList);
- if (declarationList && declarationList.getChildren(sourceFile)[0] === token) {
- changes.delete(sourceFile, declarationList.parent.kind === 225 /* VariableStatement */ ? declarationList.parent : declarationList);
- return true;
- }
- return false;
- }
- function tryPrefixDeclaration(changes, errorCode, sourceFile, token) {
- // Don't offer to prefix a property.
- if (errorCode === ts.Diagnostics.Property_0_is_declared_but_its_value_is_never_read.code)
- return;
- if (token.kind === 132 /* InferKeyword */) {
- token = ts.cast(token.parent, ts.isInferTypeNode).typeParameter.name;
- }
- if (ts.isIdentifier(token) && canPrefix(token)) {
- changes.replaceNode(sourceFile, token, ts.createIdentifier("_" + token.text));
- if (ts.isParameter(token.parent)) {
- ts.getJSDocParameterTags(token.parent).forEach(function (tag) {
- if (ts.isIdentifier(tag.name)) {
- changes.replaceNode(sourceFile, tag.name, ts.createIdentifier("_" + tag.name.text));
- }
- });
- }
- }
- }
- function canPrefix(token) {
- switch (token.parent.kind) {
- case 156 /* Parameter */:
- case 155 /* TypeParameter */:
- return true;
- case 242 /* VariableDeclaration */: {
- var varDecl = token.parent;
- switch (varDecl.parent.parent.kind) {
- case 232 /* ForOfStatement */:
- case 231 /* ForInStatement */:
- return true;
- }
- }
- }
- return false;
- }
- function tryDeleteDeclaration(sourceFile, token, changes, checker, sourceFiles, isFixAll) {
- tryDeleteDeclarationWorker(token, changes, sourceFile, checker, sourceFiles, isFixAll);
- if (ts.isIdentifier(token))
- deleteAssignments(changes, sourceFile, token, checker);
- }
- function deleteAssignments(changes, sourceFile, token, checker) {
- ts.FindAllReferences.Core.eachSymbolReferenceInFile(token, checker, sourceFile, function (ref) {
- if (ts.isPropertyAccessExpression(ref.parent) && ref.parent.name === ref)
- ref = ref.parent;
- if (ts.isBinaryExpression(ref.parent) && ts.isExpressionStatement(ref.parent.parent) && ref.parent.left === ref) {
- changes.delete(sourceFile, ref.parent.parent);
- }
- });
- }
- function tryDeleteDeclarationWorker(token, changes, sourceFile, checker, sourceFiles, isFixAll) {
- var parent = token.parent;
- if (ts.isParameter(parent)) {
- tryDeleteParameter(changes, sourceFile, parent, checker, sourceFiles, isFixAll);
- }
- else {
- changes.delete(sourceFile, ts.isImportClause(parent) ? token : ts.isComputedPropertyName(parent) ? parent.parent : parent);
- }
- }
- function tryDeleteParameter(changes, sourceFile, p, checker, sourceFiles, isFixAll) {
- if (mayDeleteParameter(p, checker, isFixAll)) {
- if (p.modifiers && p.modifiers.length > 0
- && (!ts.isIdentifier(p.name) || ts.FindAllReferences.Core.isSymbolReferencedInFile(p.name, checker, sourceFile))) {
- p.modifiers.forEach(function (modifier) {
- changes.deleteModifier(sourceFile, modifier);
- });
- }
- else {
- changes.delete(sourceFile, p);
- deleteUnusedArguments(changes, sourceFile, p, sourceFiles, checker);
- }
- }
- }
- function mayDeleteParameter(p, checker, isFixAll) {
- var parent = p.parent;
- switch (parent.kind) {
- case 161 /* MethodDeclaration */:
- // Don't remove a parameter if this overrides something.
- var symbol = checker.getSymbolAtLocation(parent.name);
- if (ts.isMemberSymbolInBaseType(symbol, checker))
- return false;
- // falls through
- case 162 /* Constructor */:
- case 244 /* FunctionDeclaration */:
- return true;
- case 201 /* FunctionExpression */:
- case 202 /* ArrowFunction */: {
- // Can't remove a non-last parameter in a callback. Can remove a parameter in code-fix-all if future parameters are also unused.
- var parameters = parent.parameters;
- var index = parameters.indexOf(p);
- ts.Debug.assert(index !== -1, "The parameter should already be in the list");
- return isFixAll
- ? parameters.slice(index + 1).every(function (p) { return p.name.kind === 75 /* Identifier */ && !p.symbol.isReferenced; })
- : index === parameters.length - 1;
- }
- case 164 /* SetAccessor */:
- // Setter must have a parameter
- return false;
- default:
- return ts.Debug.failBadSyntaxKind(parent);
- }
- }
- function deleteUnusedArguments(changes, sourceFile, deletedParameter, sourceFiles, checker) {
- ts.FindAllReferences.Core.eachSignatureCall(deletedParameter.parent, sourceFiles, checker, function (call) {
- var index = deletedParameter.parent.parameters.indexOf(deletedParameter);
- if (call.arguments.length > index) { // Just in case the call didn't provide enough arguments.
- changes.delete(sourceFile, call.arguments[index]);
- }
- });
- }
- })(codefix = ts.codefix || (ts.codefix = {}));
-})(ts || (ts = {}));
-/* @internal */
-var ts;
-(function (ts) {
- var codefix;
- (function (codefix) {
- var fixId = "fixUnreachableCode";
- var errorCodes = [ts.Diagnostics.Unreachable_code_detected.code];
- codefix.registerCodeFix({
- errorCodes: errorCodes,
- getCodeActions: function (context) {
- var changes = ts.textChanges.ChangeTracker.with(context, function (t) { return doChange(t, context.sourceFile, context.span.start, context.span.length, context.errorCode); });
- return [codefix.createCodeFixAction(fixId, changes, ts.Diagnostics.Remove_unreachable_code, fixId, ts.Diagnostics.Remove_all_unreachable_code)];
- },
- fixIds: [fixId],
- getAllCodeActions: function (context) { return codefix.codeFixAll(context, errorCodes, function (changes, diag) { return doChange(changes, diag.file, diag.start, diag.length, diag.code); }); },
- });
- function doChange(changes, sourceFile, start, length, errorCode) {
- var token = ts.getTokenAtPosition(sourceFile, start);
- var statement = ts.findAncestor(token, ts.isStatement);
- if (statement.getStart(sourceFile) !== token.getStart(sourceFile)) {
- var logData = JSON.stringify({
- statementKind: ts.Debug.formatSyntaxKind(statement.kind),
- tokenKind: ts.Debug.formatSyntaxKind(token.kind),
- errorCode: errorCode,
- start: start,
- length: length
- });
- ts.Debug.fail("Token and statement should start at the same point. " + logData);
- }
- var container = (ts.isBlock(statement.parent) ? statement.parent : statement).parent;
- if (!ts.isBlock(statement.parent) || statement === ts.first(statement.parent.statements)) {
- switch (container.kind) {
- case 227 /* IfStatement */:
- if (container.elseStatement) {
- if (ts.isBlock(statement.parent)) {
- break;
- }
- else {
- changes.replaceNode(sourceFile, statement, ts.createBlock(ts.emptyArray));
- }
- return;
- }
- // falls through
- case 229 /* WhileStatement */:
- case 230 /* ForStatement */:
- changes.delete(sourceFile, container);
- return;
- }
- }
- if (ts.isBlock(statement.parent)) {
- var end_3 = start + length;
- var lastStatement = ts.Debug.checkDefined(lastWhere(ts.sliceAfter(statement.parent.statements, statement), function (s) { return s.pos < end_3; }), "Some statement should be last");
- changes.deleteNodeRange(sourceFile, statement, lastStatement);
- }
- else {
- changes.delete(sourceFile, statement);
- }
- }
- function lastWhere(a, pred) {
- var last;
- for (var _i = 0, a_1 = a; _i < a_1.length; _i++) {
- var value = a_1[_i];
- if (!pred(value))
- break;
- last = value;
- }
- return last;
- }
- })(codefix = ts.codefix || (ts.codefix = {}));
-})(ts || (ts = {}));
-/* @internal */
-var ts;
-(function (ts) {
- var codefix;
- (function (codefix) {
- var fixId = "fixUnusedLabel";
- var errorCodes = [ts.Diagnostics.Unused_label.code];
- codefix.registerCodeFix({
- errorCodes: errorCodes,
- getCodeActions: function (context) {
- var changes = ts.textChanges.ChangeTracker.with(context, function (t) { return doChange(t, context.sourceFile, context.span.start); });
- return [codefix.createCodeFixAction(fixId, changes, ts.Diagnostics.Remove_unused_label, fixId, ts.Diagnostics.Remove_all_unused_labels)];
- },
- fixIds: [fixId],
- getAllCodeActions: function (context) { return codefix.codeFixAll(context, errorCodes, function (changes, diag) { return doChange(changes, diag.file, diag.start); }); },
- });
- function doChange(changes, sourceFile, start) {
- var token = ts.getTokenAtPosition(sourceFile, start);
- var labeledStatement = ts.cast(token.parent, ts.isLabeledStatement);
- var pos = token.getStart(sourceFile);
- var statementPos = labeledStatement.statement.getStart(sourceFile);
- // If label is on a separate line, just delete the rest of that line, but not the indentation of the labeled statement.
- var end = ts.positionsAreOnSameLine(pos, statementPos, sourceFile) ? statementPos
- : ts.skipTrivia(sourceFile.text, ts.findChildOfKind(labeledStatement, 58 /* ColonToken */, sourceFile).end, /*stopAfterLineBreak*/ true);
- changes.deleteRange(sourceFile, { pos: pos, end: end });
- }
- })(codefix = ts.codefix || (ts.codefix = {}));
-})(ts || (ts = {}));
-/* @internal */
-var ts;
-(function (ts) {
- var codefix;
- (function (codefix) {
- var fixIdPlain = "fixJSDocTypes_plain";
- var fixIdNullable = "fixJSDocTypes_nullable";
- var errorCodes = [ts.Diagnostics.JSDoc_types_can_only_be_used_inside_documentation_comments.code];
- codefix.registerCodeFix({
- errorCodes: errorCodes,
- getCodeActions: function (context) {
- var sourceFile = context.sourceFile;
- var checker = context.program.getTypeChecker();
- var info = getInfo(sourceFile, context.span.start, checker);
- if (!info)
- return undefined;
- var typeNode = info.typeNode, type = info.type;
- var original = typeNode.getText(sourceFile);
- var actions = [fix(type, fixIdPlain, ts.Diagnostics.Change_all_jsdoc_style_types_to_TypeScript)];
- if (typeNode.kind === 297 /* JSDocNullableType */) {
- // for nullable types, suggest the flow-compatible `T | null | undefined`
- // in addition to the jsdoc/closure-compatible `T | null`
- actions.push(fix(checker.getNullableType(type, 32768 /* Undefined */), fixIdNullable, ts.Diagnostics.Change_all_jsdoc_style_types_to_TypeScript_and_add_undefined_to_nullable_types));
- }
- return actions;
- function fix(type, fixId, fixAllDescription) {
- var changes = ts.textChanges.ChangeTracker.with(context, function (t) { return doChange(t, sourceFile, typeNode, type, checker); });
- return codefix.createCodeFixAction("jdocTypes", changes, [ts.Diagnostics.Change_0_to_1, original, checker.typeToString(type)], fixId, fixAllDescription);
- }
- },
- fixIds: [fixIdPlain, fixIdNullable],
- getAllCodeActions: function (context) {
- var fixId = context.fixId, program = context.program, sourceFile = context.sourceFile;
- var checker = program.getTypeChecker();
- return codefix.codeFixAll(context, errorCodes, function (changes, err) {
- var info = getInfo(err.file, err.start, checker);
- if (!info)
- return;
- var typeNode = info.typeNode, type = info.type;
- var fixedType = typeNode.kind === 297 /* JSDocNullableType */ && fixId === fixIdNullable ? checker.getNullableType(type, 32768 /* Undefined */) : type;
- doChange(changes, sourceFile, typeNode, fixedType, checker);
- });
- }
- });
- function doChange(changes, sourceFile, oldTypeNode, newType, checker) {
- changes.replaceNode(sourceFile, oldTypeNode, checker.typeToTypeNode(newType, /*enclosingDeclaration*/ oldTypeNode, /*flags*/ undefined)); // TODO: GH#18217
- }
- function getInfo(sourceFile, pos, checker) {
- var decl = ts.findAncestor(ts.getTokenAtPosition(sourceFile, pos), isTypeContainer);
- var typeNode = decl && decl.type;
- return typeNode && { typeNode: typeNode, type: checker.getTypeFromTypeNode(typeNode) };
- }
- function isTypeContainer(node) {
- // NOTE: Some locations are not handled yet:
- // MappedTypeNode.typeParameters and SignatureDeclaration.typeParameters, as well as CallExpression.typeArguments
- switch (node.kind) {
- case 217 /* AsExpression */:
- case 165 /* CallSignature */:
- case 166 /* ConstructSignature */:
- case 244 /* FunctionDeclaration */:
- case 163 /* GetAccessor */:
- case 167 /* IndexSignature */:
- case 186 /* MappedType */:
- case 161 /* MethodDeclaration */:
- case 160 /* MethodSignature */:
- case 156 /* Parameter */:
- case 159 /* PropertyDeclaration */:
- case 158 /* PropertySignature */:
- case 164 /* SetAccessor */:
- case 247 /* TypeAliasDeclaration */:
- case 199 /* TypeAssertionExpression */:
- case 242 /* VariableDeclaration */:
- return true;
- default:
- return false;
- }
- }
- })(codefix = ts.codefix || (ts.codefix = {}));
-})(ts || (ts = {}));
-/* @internal */
-var ts;
-(function (ts) {
- var codefix;
- (function (codefix) {
- var fixId = "fixMissingCallParentheses";
- var errorCodes = [
- ts.Diagnostics.This_condition_will_always_return_true_since_the_function_is_always_defined_Did_you_mean_to_call_it_instead.code,
- ];
- codefix.registerCodeFix({
- errorCodes: errorCodes,
- fixIds: [fixId],
- getCodeActions: function (context) {
- var sourceFile = context.sourceFile, span = context.span;
- var callName = getCallName(sourceFile, span.start);
- if (!callName)
- return;
- var changes = ts.textChanges.ChangeTracker.with(context, function (t) { return doChange(t, context.sourceFile, callName); });
- return [codefix.createCodeFixAction(fixId, changes, ts.Diagnostics.Add_missing_call_parentheses, fixId, ts.Diagnostics.Add_all_missing_call_parentheses)];
- },
- getAllCodeActions: function (context) { return codefix.codeFixAll(context, errorCodes, function (changes, diag) {
- var callName = getCallName(diag.file, diag.start);
- if (callName)
- doChange(changes, diag.file, callName);
- }); }
- });
- function doChange(changes, sourceFile, name) {
- changes.replaceNodeWithText(sourceFile, name, name.text + "()");
- }
- function getCallName(sourceFile, start) {
- var token = ts.getTokenAtPosition(sourceFile, start);
- if (ts.isPropertyAccessExpression(token.parent)) {
- var current = token.parent;
- while (ts.isPropertyAccessExpression(current.parent)) {
- current = current.parent;
- }
- return current.name;
- }
- if (ts.isIdentifier(token)) {
- return token;
- }
- return undefined;
- }
- })(codefix = ts.codefix || (ts.codefix = {}));
-})(ts || (ts = {}));
-/* @internal */
-var ts;
-(function (ts) {
- var codefix;
- (function (codefix) {
- var fixId = "fixAwaitInSyncFunction";
- var errorCodes = [
- ts.Diagnostics.await_expressions_are_only_allowed_within_async_functions_and_at_the_top_levels_of_modules.code,
- ts.Diagnostics.A_for_await_of_statement_is_only_allowed_within_an_async_function_or_async_generator.code,
- ];
- codefix.registerCodeFix({
- errorCodes: errorCodes,
- getCodeActions: function (context) {
- var sourceFile = context.sourceFile, span = context.span;
- var nodes = getNodes(sourceFile, span.start);
- if (!nodes)
- return undefined;
- var changes = ts.textChanges.ChangeTracker.with(context, function (t) { return doChange(t, sourceFile, nodes); });
- return [codefix.createCodeFixAction(fixId, changes, ts.Diagnostics.Add_async_modifier_to_containing_function, fixId, ts.Diagnostics.Add_all_missing_async_modifiers)];
- },
- fixIds: [fixId],
- getAllCodeActions: function (context) {
- var seen = ts.createMap();
- return codefix.codeFixAll(context, errorCodes, function (changes, diag) {
- var nodes = getNodes(diag.file, diag.start);
- if (!nodes || !ts.addToSeen(seen, ts.getNodeId(nodes.insertBefore)))
- return;
- doChange(changes, context.sourceFile, nodes);
- });
- },
- });
- function getReturnType(expr) {
- if (expr.type) {
- return expr.type;
- }
- if (ts.isVariableDeclaration(expr.parent) &&
- expr.parent.type &&
- ts.isFunctionTypeNode(expr.parent.type)) {
- return expr.parent.type.type;
- }
- }
- function getNodes(sourceFile, start) {
- var token = ts.getTokenAtPosition(sourceFile, start);
- var containingFunction = ts.getContainingFunction(token);
- if (!containingFunction) {
- return;
- }
- var insertBefore;
- switch (containingFunction.kind) {
- case 161 /* MethodDeclaration */:
- insertBefore = containingFunction.name;
- break;
- case 244 /* FunctionDeclaration */:
- case 201 /* FunctionExpression */:
- insertBefore = ts.findChildOfKind(containingFunction, 94 /* FunctionKeyword */, sourceFile);
- break;
- case 202 /* ArrowFunction */:
- insertBefore = ts.findChildOfKind(containingFunction, 20 /* OpenParenToken */, sourceFile) || ts.first(containingFunction.parameters);
- break;
- default:
- return;
- }
- return insertBefore && {
- insertBefore: insertBefore,
- returnType: getReturnType(containingFunction)
- };
- }
- function doChange(changes, sourceFile, _a) {
- var insertBefore = _a.insertBefore, returnType = _a.returnType;
- if (returnType) {
- var entityName = ts.getEntityNameFromTypeNode(returnType);
- if (!entityName || entityName.kind !== 75 /* Identifier */ || entityName.text !== "Promise") {
- changes.replaceNode(sourceFile, returnType, ts.createTypeReferenceNode("Promise", ts.createNodeArray([returnType])));
- }
- }
- changes.insertModifierBefore(sourceFile, 126 /* AsyncKeyword */, insertBefore);
- }
- })(codefix = ts.codefix || (ts.codefix = {}));
-})(ts || (ts = {}));
-/* @internal */
-var ts;
-(function (ts) {
- var codefix;
- (function (codefix) {
- var fixId = "inferFromUsage";
- var errorCodes = [
- // Variable declarations
- ts.Diagnostics.Variable_0_implicitly_has_type_1_in_some_locations_where_its_type_cannot_be_determined.code,
- // Variable uses
- ts.Diagnostics.Variable_0_implicitly_has_an_1_type.code,
- // Parameter declarations
- ts.Diagnostics.Parameter_0_implicitly_has_an_1_type.code,
- ts.Diagnostics.Rest_parameter_0_implicitly_has_an_any_type.code,
- // Get Accessor declarations
- ts.Diagnostics.Property_0_implicitly_has_type_any_because_its_get_accessor_lacks_a_return_type_annotation.code,
- ts.Diagnostics._0_which_lacks_return_type_annotation_implicitly_has_an_1_return_type.code,
- // Set Accessor declarations
- ts.Diagnostics.Property_0_implicitly_has_type_any_because_its_set_accessor_lacks_a_parameter_type_annotation.code,
- // Property declarations
- ts.Diagnostics.Member_0_implicitly_has_an_1_type.code,
- //// Suggestions
- // Variable declarations
- ts.Diagnostics.Variable_0_implicitly_has_type_1_in_some_locations_but_a_better_type_may_be_inferred_from_usage.code,
- // Variable uses
- ts.Diagnostics.Variable_0_implicitly_has_an_1_type_but_a_better_type_may_be_inferred_from_usage.code,
- // Parameter declarations
- ts.Diagnostics.Parameter_0_implicitly_has_an_1_type_but_a_better_type_may_be_inferred_from_usage.code,
- ts.Diagnostics.Rest_parameter_0_implicitly_has_an_any_type_but_a_better_type_may_be_inferred_from_usage.code,
- // Get Accessor declarations
- ts.Diagnostics.Property_0_implicitly_has_type_any_but_a_better_type_for_its_get_accessor_may_be_inferred_from_usage.code,
- ts.Diagnostics._0_implicitly_has_an_1_return_type_but_a_better_type_may_be_inferred_from_usage.code,
- // Set Accessor declarations
- ts.Diagnostics.Property_0_implicitly_has_type_any_but_a_better_type_for_its_set_accessor_may_be_inferred_from_usage.code,
- // Property declarations
- ts.Diagnostics.Member_0_implicitly_has_an_1_type_but_a_better_type_may_be_inferred_from_usage.code,
- // Function expressions and declarations
- ts.Diagnostics.this_implicitly_has_type_any_because_it_does_not_have_a_type_annotation.code,
- ];
- codefix.registerCodeFix({
- errorCodes: errorCodes,
- getCodeActions: function (context) {
- var sourceFile = context.sourceFile, program = context.program, start = context.span.start, errorCode = context.errorCode, cancellationToken = context.cancellationToken, host = context.host, preferences = context.preferences;
- var token = ts.getTokenAtPosition(sourceFile, start);
- var declaration;
- var changes = ts.textChanges.ChangeTracker.with(context, function (changes) { declaration = doChange(changes, sourceFile, token, errorCode, program, cancellationToken, /*markSeen*/ ts.returnTrue, host, preferences); });
- var name = declaration && ts.getNameOfDeclaration(declaration);
- return !name || changes.length === 0 ? undefined
- : [codefix.createCodeFixAction(fixId, changes, [getDiagnostic(errorCode, token), name.getText(sourceFile)], fixId, ts.Diagnostics.Infer_all_types_from_usage)];
- },
- fixIds: [fixId],
- getAllCodeActions: function (context) {
- var sourceFile = context.sourceFile, program = context.program, cancellationToken = context.cancellationToken, host = context.host, preferences = context.preferences;
- var markSeen = ts.nodeSeenTracker();
- return codefix.codeFixAll(context, errorCodes, function (changes, err) {
- doChange(changes, sourceFile, ts.getTokenAtPosition(err.file, err.start), err.code, program, cancellationToken, markSeen, host, preferences);
- });
- },
- });
- function getDiagnostic(errorCode, token) {
- switch (errorCode) {
- case ts.Diagnostics.Parameter_0_implicitly_has_an_1_type.code:
- case ts.Diagnostics.Parameter_0_implicitly_has_an_1_type_but_a_better_type_may_be_inferred_from_usage.code:
- return ts.isSetAccessorDeclaration(ts.getContainingFunction(token)) ? ts.Diagnostics.Infer_type_of_0_from_usage : ts.Diagnostics.Infer_parameter_types_from_usage; // TODO: GH#18217
- case ts.Diagnostics.Rest_parameter_0_implicitly_has_an_any_type.code:
- case ts.Diagnostics.Rest_parameter_0_implicitly_has_an_any_type_but_a_better_type_may_be_inferred_from_usage.code:
- return ts.Diagnostics.Infer_parameter_types_from_usage;
- case ts.Diagnostics.this_implicitly_has_type_any_because_it_does_not_have_a_type_annotation.code:
- return ts.Diagnostics.Infer_this_type_of_0_from_usage;
- default:
- return ts.Diagnostics.Infer_type_of_0_from_usage;
- }
- }
- /** Map suggestion code to error code */
- function mapSuggestionDiagnostic(errorCode) {
- switch (errorCode) {
- case ts.Diagnostics.Variable_0_implicitly_has_type_1_in_some_locations_but_a_better_type_may_be_inferred_from_usage.code:
- return ts.Diagnostics.Variable_0_implicitly_has_type_1_in_some_locations_where_its_type_cannot_be_determined.code;
- case ts.Diagnostics.Variable_0_implicitly_has_an_1_type_but_a_better_type_may_be_inferred_from_usage.code:
- return ts.Diagnostics.Variable_0_implicitly_has_an_1_type.code;
- case ts.Diagnostics.Parameter_0_implicitly_has_an_1_type_but_a_better_type_may_be_inferred_from_usage.code:
- return ts.Diagnostics.Parameter_0_implicitly_has_an_1_type.code;
- case ts.Diagnostics.Rest_parameter_0_implicitly_has_an_any_type_but_a_better_type_may_be_inferred_from_usage.code:
- return ts.Diagnostics.Rest_parameter_0_implicitly_has_an_any_type.code;
- case ts.Diagnostics.Property_0_implicitly_has_type_any_but_a_better_type_for_its_get_accessor_may_be_inferred_from_usage.code:
- return ts.Diagnostics.Property_0_implicitly_has_type_any_because_its_get_accessor_lacks_a_return_type_annotation.code;
- case ts.Diagnostics._0_implicitly_has_an_1_return_type_but_a_better_type_may_be_inferred_from_usage.code:
- return ts.Diagnostics._0_which_lacks_return_type_annotation_implicitly_has_an_1_return_type.code;
- case ts.Diagnostics.Property_0_implicitly_has_type_any_but_a_better_type_for_its_set_accessor_may_be_inferred_from_usage.code:
- return ts.Diagnostics.Property_0_implicitly_has_type_any_because_its_set_accessor_lacks_a_parameter_type_annotation.code;
- case ts.Diagnostics.Member_0_implicitly_has_an_1_type_but_a_better_type_may_be_inferred_from_usage.code:
- return ts.Diagnostics.Member_0_implicitly_has_an_1_type.code;
- }
- return errorCode;
- }
- function doChange(changes, sourceFile, token, errorCode, program, cancellationToken, markSeen, host, preferences) {
- if (!ts.isParameterPropertyModifier(token.kind) && token.kind !== 75 /* Identifier */ && token.kind !== 25 /* DotDotDotToken */ && token.kind !== 104 /* ThisKeyword */) {
- return undefined;
- }
- var parent = token.parent;
- var importAdder = codefix.createImportAdder(sourceFile, program, preferences, host);
- errorCode = mapSuggestionDiagnostic(errorCode);
- switch (errorCode) {
- // Variable and Property declarations
- case ts.Diagnostics.Member_0_implicitly_has_an_1_type.code:
- case ts.Diagnostics.Variable_0_implicitly_has_type_1_in_some_locations_where_its_type_cannot_be_determined.code:
- if ((ts.isVariableDeclaration(parent) && markSeen(parent)) || ts.isPropertyDeclaration(parent) || ts.isPropertySignature(parent)) { // handle bad location
- annotateVariableDeclaration(changes, importAdder, sourceFile, parent, program, host, cancellationToken);
- importAdder.writeFixes(changes);
- return parent;
- }
- if (ts.isPropertyAccessExpression(parent)) {
- var type = inferTypeForVariableFromUsage(parent.name, program, cancellationToken);
- var typeNode = ts.getTypeNodeIfAccessible(type, parent, program, host);
- if (typeNode) {
- // Note that the codefix will never fire with an existing `@type` tag, so there is no need to merge tags
- var typeTag = ts.createJSDocTypeTag(ts.createJSDocTypeExpression(typeNode), /*comment*/ "");
- addJSDocTags(changes, sourceFile, ts.cast(parent.parent.parent, ts.isExpressionStatement), [typeTag]);
- }
- importAdder.writeFixes(changes);
- return parent;
- }
- return undefined;
- case ts.Diagnostics.Variable_0_implicitly_has_an_1_type.code: {
- var symbol = program.getTypeChecker().getSymbolAtLocation(token);
- if (symbol && symbol.valueDeclaration && ts.isVariableDeclaration(symbol.valueDeclaration) && markSeen(symbol.valueDeclaration)) {
- annotateVariableDeclaration(changes, importAdder, sourceFile, symbol.valueDeclaration, program, host, cancellationToken);
- importAdder.writeFixes(changes);
- return symbol.valueDeclaration;
- }
- return undefined;
- }
- }
- var containingFunction = ts.getContainingFunction(token);
- if (containingFunction === undefined) {
- return undefined;
- }
- var declaration;
- switch (errorCode) {
- // Parameter declarations
- case ts.Diagnostics.Parameter_0_implicitly_has_an_1_type.code:
- if (ts.isSetAccessorDeclaration(containingFunction)) {
- annotateSetAccessor(changes, importAdder, sourceFile, containingFunction, program, host, cancellationToken);
- declaration = containingFunction;
- break;
- }
- // falls through
- case ts.Diagnostics.Rest_parameter_0_implicitly_has_an_any_type.code:
- if (markSeen(containingFunction)) {
- var param = ts.cast(parent, ts.isParameter);
- annotateParameters(changes, importAdder, sourceFile, param, containingFunction, program, host, cancellationToken);
- declaration = param;
- }
- break;
- // Get Accessor declarations
- case ts.Diagnostics.Property_0_implicitly_has_type_any_because_its_get_accessor_lacks_a_return_type_annotation.code:
- case ts.Diagnostics._0_which_lacks_return_type_annotation_implicitly_has_an_1_return_type.code:
- if (ts.isGetAccessorDeclaration(containingFunction) && ts.isIdentifier(containingFunction.name)) {
- annotate(changes, importAdder, sourceFile, containingFunction, inferTypeForVariableFromUsage(containingFunction.name, program, cancellationToken), program, host);
- declaration = containingFunction;
- }
- break;
- // Set Accessor declarations
- case ts.Diagnostics.Property_0_implicitly_has_type_any_because_its_set_accessor_lacks_a_parameter_type_annotation.code:
- if (ts.isSetAccessorDeclaration(containingFunction)) {
- annotateSetAccessor(changes, importAdder, sourceFile, containingFunction, program, host, cancellationToken);
- declaration = containingFunction;
- }
- break;
- // Function 'this'
- case ts.Diagnostics.this_implicitly_has_type_any_because_it_does_not_have_a_type_annotation.code:
- if (ts.textChanges.isThisTypeAnnotatable(containingFunction) && markSeen(containingFunction)) {
- annotateThis(changes, sourceFile, containingFunction, program, host, cancellationToken);
- declaration = containingFunction;
- }
- break;
- default:
- return ts.Debug.fail(String(errorCode));
- }
- importAdder.writeFixes(changes);
- return declaration;
- }
- function annotateVariableDeclaration(changes, importAdder, sourceFile, declaration, program, host, cancellationToken) {
- if (ts.isIdentifier(declaration.name)) {
- annotate(changes, importAdder, sourceFile, declaration, inferTypeForVariableFromUsage(declaration.name, program, cancellationToken), program, host);
- }
- }
- function annotateParameters(changes, importAdder, sourceFile, parameterDeclaration, containingFunction, program, host, cancellationToken) {
- if (!ts.isIdentifier(parameterDeclaration.name)) {
- return;
- }
- var parameterInferences = inferTypeForParametersFromUsage(containingFunction, sourceFile, program, cancellationToken);
- ts.Debug.assert(containingFunction.parameters.length === parameterInferences.length, "Parameter count and inference count should match");
- if (ts.isInJSFile(containingFunction)) {
- annotateJSDocParameters(changes, sourceFile, parameterInferences, program, host);
- }
- else {
- var needParens = ts.isArrowFunction(containingFunction) && !ts.findChildOfKind(containingFunction, 20 /* OpenParenToken */, sourceFile);
- if (needParens)
- changes.insertNodeBefore(sourceFile, ts.first(containingFunction.parameters), ts.createToken(20 /* OpenParenToken */));
- for (var _i = 0, parameterInferences_1 = parameterInferences; _i < parameterInferences_1.length; _i++) {
- var _a = parameterInferences_1[_i], declaration = _a.declaration, type = _a.type;
- if (declaration && !declaration.type && !declaration.initializer) {
- annotate(changes, importAdder, sourceFile, declaration, type, program, host);
- }
- }
- if (needParens)
- changes.insertNodeAfter(sourceFile, ts.last(containingFunction.parameters), ts.createToken(21 /* CloseParenToken */));
- }
- }
- function annotateThis(changes, sourceFile, containingFunction, program, host, cancellationToken) {
- var references = getFunctionReferences(containingFunction, sourceFile, program, cancellationToken);
- if (!references || !references.length) {
- return;
- }
- var thisInference = inferTypeFromReferences(program, references, cancellationToken).thisParameter();
- var typeNode = ts.getTypeNodeIfAccessible(thisInference, containingFunction, program, host);
- if (!typeNode) {
- return;
- }
- if (ts.isInJSFile(containingFunction)) {
- annotateJSDocThis(changes, sourceFile, containingFunction, typeNode);
- }
- else {
- changes.tryInsertThisTypeAnnotation(sourceFile, containingFunction, typeNode);
- }
- }
- function annotateJSDocThis(changes, sourceFile, containingFunction, typeNode) {
- addJSDocTags(changes, sourceFile, containingFunction, [
- ts.createJSDocThisTag(ts.createJSDocTypeExpression(typeNode)),
- ]);
- }
- function annotateSetAccessor(changes, importAdder, sourceFile, setAccessorDeclaration, program, host, cancellationToken) {
- var param = ts.firstOrUndefined(setAccessorDeclaration.parameters);
- if (param && ts.isIdentifier(setAccessorDeclaration.name) && ts.isIdentifier(param.name)) {
- var type = inferTypeForVariableFromUsage(setAccessorDeclaration.name, program, cancellationToken);
- if (type === program.getTypeChecker().getAnyType()) {
- type = inferTypeForVariableFromUsage(param.name, program, cancellationToken);
- }
- if (ts.isInJSFile(setAccessorDeclaration)) {
- annotateJSDocParameters(changes, sourceFile, [{ declaration: param, type: type }], program, host);
- }
- else {
- annotate(changes, importAdder, sourceFile, param, type, program, host);
- }
- }
- }
- function annotate(changes, importAdder, sourceFile, declaration, type, program, host) {
- var typeNode = ts.getTypeNodeIfAccessible(type, declaration, program, host);
- if (typeNode) {
- if (ts.isInJSFile(sourceFile) && declaration.kind !== 158 /* PropertySignature */) {
- var parent = ts.isVariableDeclaration(declaration) ? ts.tryCast(declaration.parent.parent, ts.isVariableStatement) : declaration;
- if (!parent) {
- return;
- }
- var typeExpression = ts.createJSDocTypeExpression(typeNode);
- var typeTag = ts.isGetAccessorDeclaration(declaration) ? ts.createJSDocReturnTag(typeExpression, "") : ts.createJSDocTypeTag(typeExpression, "");
- addJSDocTags(changes, sourceFile, parent, [typeTag]);
- }
- else if (!tryReplaceImportTypeNodeWithAutoImport(typeNode, declaration, type, sourceFile, changes, importAdder, ts.getEmitScriptTarget(program.getCompilerOptions()))) {
- changes.tryInsertTypeAnnotation(sourceFile, declaration, typeNode);
- }
- }
- }
- function tryReplaceImportTypeNodeWithAutoImport(typeNode, declaration, type, sourceFile, changes, importAdder, scriptTarget) {
- var importableReference = codefix.tryGetAutoImportableReferenceFromImportTypeNode(typeNode, type, scriptTarget);
- if (importableReference && changes.tryInsertTypeAnnotation(sourceFile, declaration, importableReference.typeReference)) {
- ts.forEach(importableReference.symbols, function (s) { return importAdder.addImportFromExportedSymbol(s, /*usageIsTypeOnly*/ true); });
- return true;
- }
- return false;
- }
- function annotateJSDocParameters(changes, sourceFile, parameterInferences, program, host) {
- var signature = parameterInferences.length && parameterInferences[0].declaration.parent;
- if (!signature) {
- return;
- }
- var paramTags = ts.mapDefined(parameterInferences, function (inference) {
- var param = inference.declaration;
- // only infer parameters that have (1) no type and (2) an accessible inferred type
- if (param.initializer || ts.getJSDocType(param) || !ts.isIdentifier(param.name))
- return;
- var typeNode = inference.type && ts.getTypeNodeIfAccessible(inference.type, param, program, host);
- var name = ts.getSynthesizedClone(param.name);
- ts.setEmitFlags(name, 1536 /* NoComments */ | 2048 /* NoNestedComments */);
- return typeNode && ts.createJSDocParamTag(name, !!inference.isOptional, ts.createJSDocTypeExpression(typeNode), "");
- });
- addJSDocTags(changes, sourceFile, signature, paramTags);
- }
- function addJSDocTags(changes, sourceFile, parent, newTags) {
- var comments = ts.mapDefined(parent.jsDoc, function (j) { return j.comment; });
- var oldTags = ts.flatMapToMutable(parent.jsDoc, function (j) { return j.tags; });
- var unmergedNewTags = newTags.filter(function (newTag) { return !oldTags || !oldTags.some(function (tag, i) {
- var merged = tryMergeJsdocTags(tag, newTag);
- if (merged)
- oldTags[i] = merged;
- return !!merged;
- }); });
- var tag = ts.createJSDocComment(comments.join("\n"), ts.createNodeArray(__spreadArrays((oldTags || ts.emptyArray), unmergedNewTags)));
- var jsDocNode = parent.kind === 202 /* ArrowFunction */ ? getJsDocNodeForArrowFunction(parent) : parent;
- jsDocNode.jsDoc = parent.jsDoc;
- jsDocNode.jsDocCache = parent.jsDocCache;
- changes.insertJsdocCommentBefore(sourceFile, jsDocNode, tag);
- }
- codefix.addJSDocTags = addJSDocTags;
- function getJsDocNodeForArrowFunction(signature) {
- if (signature.parent.kind === 159 /* PropertyDeclaration */) {
- return signature.parent;
- }
- return signature.parent.parent;
- }
- function tryMergeJsdocTags(oldTag, newTag) {
- if (oldTag.kind !== newTag.kind) {
- return undefined;
- }
- switch (oldTag.kind) {
- case 317 /* JSDocParameterTag */: {
- var oldParam = oldTag;
- var newParam = newTag;
- return ts.isIdentifier(oldParam.name) && ts.isIdentifier(newParam.name) && oldParam.name.escapedText === newParam.name.escapedText
- ? ts.createJSDocParamTag(newParam.name, newParam.isBracketed, newParam.typeExpression, oldParam.comment)
- : undefined;
- }
- case 318 /* JSDocReturnTag */:
- return ts.createJSDocReturnTag(newTag.typeExpression, oldTag.comment);
- }
- }
- function getReferences(token, program, cancellationToken) {
- // Position shouldn't matter since token is not a SourceFile.
- return ts.mapDefined(ts.FindAllReferences.getReferenceEntriesForNode(-1, token, program, program.getSourceFiles(), cancellationToken), function (entry) {
- return entry.kind !== 0 /* Span */ ? ts.tryCast(entry.node, ts.isIdentifier) : undefined;
- });
- }
- function inferTypeForVariableFromUsage(token, program, cancellationToken) {
- var references = getReferences(token, program, cancellationToken);
- return inferTypeFromReferences(program, references, cancellationToken).single();
- }
- function inferTypeForParametersFromUsage(func, sourceFile, program, cancellationToken) {
- var references = getFunctionReferences(func, sourceFile, program, cancellationToken);
- return references && inferTypeFromReferences(program, references, cancellationToken).parameters(func) ||
- func.parameters.map(function (p) { return ({
- declaration: p,
- type: ts.isIdentifier(p.name) ? inferTypeForVariableFromUsage(p.name, program, cancellationToken) : program.getTypeChecker().getAnyType()
- }); });
- }
- function getFunctionReferences(containingFunction, sourceFile, program, cancellationToken) {
- var searchToken;
- switch (containingFunction.kind) {
- case 162 /* Constructor */:
- searchToken = ts.findChildOfKind(containingFunction, 129 /* ConstructorKeyword */, sourceFile);
- break;
- case 202 /* ArrowFunction */:
- case 201 /* FunctionExpression */:
- var parent = containingFunction.parent;
- searchToken = ts.isVariableDeclaration(parent) && ts.isIdentifier(parent.name) ?
- parent.name :
- containingFunction.name;
- break;
- case 244 /* FunctionDeclaration */:
- case 161 /* MethodDeclaration */:
- searchToken = containingFunction.name;
- break;
- }
- if (!searchToken) {
- return undefined;
- }
- return getReferences(searchToken, program, cancellationToken);
- }
- function inferTypeFromReferences(program, references, cancellationToken) {
- var checker = program.getTypeChecker();
- var builtinConstructors = {
- string: function () { return checker.getStringType(); },
- number: function () { return checker.getNumberType(); },
- Array: function (t) { return checker.createArrayType(t); },
- Promise: function (t) { return checker.createPromiseType(t); },
- };
- var builtins = [
- checker.getStringType(),
- checker.getNumberType(),
- checker.createArrayType(checker.getAnyType()),
- checker.createPromiseType(checker.getAnyType()),
- ];
- return {
- single: single,
- parameters: parameters,
- thisParameter: thisParameter,
- };
- function createEmptyUsage() {
- return {
- isNumber: undefined,
- isString: undefined,
- isNumberOrString: undefined,
- candidateTypes: undefined,
- properties: undefined,
- calls: undefined,
- constructs: undefined,
- numberIndex: undefined,
- stringIndex: undefined,
- candidateThisTypes: undefined,
- inferredTypes: undefined,
- };
- }
- function combineUsages(usages) {
- var combinedProperties = ts.createUnderscoreEscapedMap();
- for (var _i = 0, usages_1 = usages; _i < usages_1.length; _i++) {
- var u = usages_1[_i];
- if (u.properties) {
- u.properties.forEach(function (p, name) {
- if (!combinedProperties.has(name)) {
- combinedProperties.set(name, []);
- }
- combinedProperties.get(name).push(p);
- });
- }
- }
- var properties = ts.createUnderscoreEscapedMap();
- combinedProperties.forEach(function (ps, name) {
- properties.set(name, combineUsages(ps));
- });
- return {
- isNumber: usages.some(function (u) { return u.isNumber; }),
- isString: usages.some(function (u) { return u.isString; }),
- isNumberOrString: usages.some(function (u) { return u.isNumberOrString; }),
- candidateTypes: ts.flatMap(usages, function (u) { return u.candidateTypes; }),
- properties: properties,
- calls: ts.flatMap(usages, function (u) { return u.calls; }),
- constructs: ts.flatMap(usages, function (u) { return u.constructs; }),
- numberIndex: ts.forEach(usages, function (u) { return u.numberIndex; }),
- stringIndex: ts.forEach(usages, function (u) { return u.stringIndex; }),
- candidateThisTypes: ts.flatMap(usages, function (u) { return u.candidateThisTypes; }),
- inferredTypes: undefined,
- };
- }
- function single() {
- return combineTypes(inferTypesFromReferencesSingle(references));
- }
- function parameters(declaration) {
- if (references.length === 0 || !declaration.parameters) {
- return undefined;
- }
- var usage = createEmptyUsage();
- for (var _i = 0, references_2 = references; _i < references_2.length; _i++) {
- var reference = references_2[_i];
- cancellationToken.throwIfCancellationRequested();
- calculateUsageOfNode(reference, usage);
- }
- var calls = __spreadArrays(usage.constructs || [], usage.calls || []);
- return declaration.parameters.map(function (parameter, parameterIndex) {
- var types = [];
- var isRest = ts.isRestParameter(parameter);
- var isOptional = false;
- for (var _i = 0, calls_1 = calls; _i < calls_1.length; _i++) {
- var call = calls_1[_i];
- if (call.argumentTypes.length <= parameterIndex) {
- isOptional = ts.isInJSFile(declaration);
- types.push(checker.getUndefinedType());
- }
- else if (isRest) {
- for (var i = parameterIndex; i < call.argumentTypes.length; i++) {
- types.push(checker.getBaseTypeOfLiteralType(call.argumentTypes[i]));
- }
- }
- else {
- types.push(checker.getBaseTypeOfLiteralType(call.argumentTypes[parameterIndex]));
- }
- }
- if (ts.isIdentifier(parameter.name)) {
- var inferred = inferTypesFromReferencesSingle(getReferences(parameter.name, program, cancellationToken));
- types.push.apply(types, (isRest ? ts.mapDefined(inferred, checker.getElementTypeOfArrayType) : inferred));
- }
- var type = combineTypes(types);
- return {
- type: isRest ? checker.createArrayType(type) : type,
- isOptional: isOptional && !isRest,
- declaration: parameter
- };
- });
- }
- function thisParameter() {
- var usage = createEmptyUsage();
- for (var _i = 0, references_3 = references; _i < references_3.length; _i++) {
- var reference = references_3[_i];
- cancellationToken.throwIfCancellationRequested();
- calculateUsageOfNode(reference, usage);
- }
- return combineTypes(usage.candidateThisTypes || ts.emptyArray);
- }
- function inferTypesFromReferencesSingle(references) {
- var usage = createEmptyUsage();
- for (var _i = 0, references_4 = references; _i < references_4.length; _i++) {
- var reference = references_4[_i];
- cancellationToken.throwIfCancellationRequested();
- calculateUsageOfNode(reference, usage);
- }
- return inferTypes(usage);
- }
- function calculateUsageOfNode(node, usage) {
- while (ts.isRightSideOfQualifiedNameOrPropertyAccess(node)) {
- node = node.parent;
- }
- switch (node.parent.kind) {
- case 226 /* ExpressionStatement */:
- inferTypeFromExpressionStatement(node, usage);
- break;
- case 208 /* PostfixUnaryExpression */:
- usage.isNumber = true;
- break;
- case 207 /* PrefixUnaryExpression */:
- inferTypeFromPrefixUnaryExpression(node.parent, usage);
- break;
- case 209 /* BinaryExpression */:
- inferTypeFromBinaryExpression(node, node.parent, usage);
- break;
- case 277 /* CaseClause */:
- case 278 /* DefaultClause */:
- inferTypeFromSwitchStatementLabel(node.parent, usage);
- break;
- case 196 /* CallExpression */:
- case 197 /* NewExpression */:
- if (node.parent.expression === node) {
- inferTypeFromCallExpression(node.parent, usage);
- }
- else {
- inferTypeFromContextualType(node, usage);
- }
- break;
- case 194 /* PropertyAccessExpression */:
- inferTypeFromPropertyAccessExpression(node.parent, usage);
- break;
- case 195 /* ElementAccessExpression */:
- inferTypeFromPropertyElementExpression(node.parent, node, usage);
- break;
- case 281 /* PropertyAssignment */:
- case 282 /* ShorthandPropertyAssignment */:
- inferTypeFromPropertyAssignment(node.parent, usage);
- break;
- case 159 /* PropertyDeclaration */:
- inferTypeFromPropertyDeclaration(node.parent, usage);
- break;
- case 242 /* VariableDeclaration */: {
- var _a = node.parent, name = _a.name, initializer = _a.initializer;
- if (node === name) {
- if (initializer) { // This can happen for `let x = null;` which still has an implicit-any error.
- addCandidateType(usage, checker.getTypeAtLocation(initializer));
- }
- break;
- }
- }
- // falls through
- default:
- return inferTypeFromContextualType(node, usage);
- }
- }
- function inferTypeFromContextualType(node, usage) {
- if (ts.isExpressionNode(node)) {
- addCandidateType(usage, checker.getContextualType(node));
- }
- }
- function inferTypeFromExpressionStatement(node, usage) {
- addCandidateType(usage, ts.isCallExpression(node) ? checker.getVoidType() : checker.getAnyType());
- }
- function inferTypeFromPrefixUnaryExpression(node, usage) {
- switch (node.operator) {
- case 45 /* PlusPlusToken */:
- case 46 /* MinusMinusToken */:
- case 40 /* MinusToken */:
- case 54 /* TildeToken */:
- usage.isNumber = true;
- break;
- case 39 /* PlusToken */:
- usage.isNumberOrString = true;
- break;
- // case SyntaxKind.ExclamationToken:
- // no inferences here;
- }
- }
- function inferTypeFromBinaryExpression(node, parent, usage) {
- switch (parent.operatorToken.kind) {
- // ExponentiationOperator
- case 42 /* AsteriskAsteriskToken */:
- // MultiplicativeOperator
- // falls through
- case 41 /* AsteriskToken */:
- case 43 /* SlashToken */:
- case 44 /* PercentToken */:
- // ShiftOperator
- // falls through
- case 47 /* LessThanLessThanToken */:
- case 48 /* GreaterThanGreaterThanToken */:
- case 49 /* GreaterThanGreaterThanGreaterThanToken */:
- // BitwiseOperator
- // falls through
- case 50 /* AmpersandToken */:
- case 51 /* BarToken */:
- case 52 /* CaretToken */:
- // CompoundAssignmentOperator
- // falls through
- case 64 /* MinusEqualsToken */:
- case 66 /* AsteriskAsteriskEqualsToken */:
- case 65 /* AsteriskEqualsToken */:
- case 67 /* SlashEqualsToken */:
- case 68 /* PercentEqualsToken */:
- case 72 /* AmpersandEqualsToken */:
- case 73 /* BarEqualsToken */:
- case 74 /* CaretEqualsToken */:
- case 69 /* LessThanLessThanEqualsToken */:
- case 71 /* GreaterThanGreaterThanGreaterThanEqualsToken */:
- case 70 /* GreaterThanGreaterThanEqualsToken */:
- // AdditiveOperator
- // falls through
- case 40 /* MinusToken */:
- // RelationalOperator
- // falls through
- case 29 /* LessThanToken */:
- case 32 /* LessThanEqualsToken */:
- case 31 /* GreaterThanToken */:
- case 33 /* GreaterThanEqualsToken */:
- var operandType = checker.getTypeAtLocation(parent.left === node ? parent.right : parent.left);
- if (operandType.flags & 1056 /* EnumLike */) {
- addCandidateType(usage, operandType);
- }
- else {
- usage.isNumber = true;
- }
- break;
- case 63 /* PlusEqualsToken */:
- case 39 /* PlusToken */:
- var otherOperandType = checker.getTypeAtLocation(parent.left === node ? parent.right : parent.left);
- if (otherOperandType.flags & 1056 /* EnumLike */) {
- addCandidateType(usage, otherOperandType);
- }
- else if (otherOperandType.flags & 296 /* NumberLike */) {
- usage.isNumber = true;
- }
- else if (otherOperandType.flags & 132 /* StringLike */) {
- usage.isString = true;
- }
- else if (otherOperandType.flags & 1 /* Any */) {
- // do nothing, maybe we'll learn something elsewhere
- }
- else {
- usage.isNumberOrString = true;
- }
- break;
- // AssignmentOperators
- case 62 /* EqualsToken */:
- case 34 /* EqualsEqualsToken */:
- case 36 /* EqualsEqualsEqualsToken */:
- case 37 /* ExclamationEqualsEqualsToken */:
- case 35 /* ExclamationEqualsToken */:
- addCandidateType(usage, checker.getTypeAtLocation(parent.left === node ? parent.right : parent.left));
- break;
- case 97 /* InKeyword */:
- if (node === parent.left) {
- usage.isString = true;
- }
- break;
- // LogicalOperator Or NullishCoalescing
- case 56 /* BarBarToken */:
- case 60 /* QuestionQuestionToken */:
- if (node === parent.left &&
- (node.parent.parent.kind === 242 /* VariableDeclaration */ || ts.isAssignmentExpression(node.parent.parent, /*excludeCompoundAssignment*/ true))) {
- // var x = x || {};
- // TODO: use getFalsyflagsOfType
- addCandidateType(usage, checker.getTypeAtLocation(parent.right));
- }
- break;
- case 55 /* AmpersandAmpersandToken */:
- case 27 /* CommaToken */:
- case 98 /* InstanceOfKeyword */:
- // nothing to infer here
- break;
- }
- }
- function inferTypeFromSwitchStatementLabel(parent, usage) {
- addCandidateType(usage, checker.getTypeAtLocation(parent.parent.parent.expression));
- }
- function inferTypeFromCallExpression(parent, usage) {
- var call = {
- argumentTypes: [],
- return_: createEmptyUsage()
- };
- if (parent.arguments) {
- for (var _i = 0, _a = parent.arguments; _i < _a.length; _i++) {
- var argument = _a[_i];
- call.argumentTypes.push(checker.getTypeAtLocation(argument));
- }
- }
- calculateUsageOfNode(parent, call.return_);
- if (parent.kind === 196 /* CallExpression */) {
- (usage.calls || (usage.calls = [])).push(call);
- }
- else {
- (usage.constructs || (usage.constructs = [])).push(call);
- }
- }
- function inferTypeFromPropertyAccessExpression(parent, usage) {
- var name = ts.escapeLeadingUnderscores(parent.name.text);
- if (!usage.properties) {
- usage.properties = ts.createUnderscoreEscapedMap();
- }
- var propertyUsage = usage.properties.get(name) || createEmptyUsage();
- calculateUsageOfNode(parent, propertyUsage);
- usage.properties.set(name, propertyUsage);
- }
- function inferTypeFromPropertyElementExpression(parent, node, usage) {
- if (node === parent.argumentExpression) {
- usage.isNumberOrString = true;
- return;
- }
- else {
- var indexType = checker.getTypeAtLocation(parent.argumentExpression);
- var indexUsage = createEmptyUsage();
- calculateUsageOfNode(parent, indexUsage);
- if (indexType.flags & 296 /* NumberLike */) {
- usage.numberIndex = indexUsage;
- }
- else {
- usage.stringIndex = indexUsage;
- }
- }
- }
- function inferTypeFromPropertyAssignment(assignment, usage) {
- var nodeWithRealType = ts.isVariableDeclaration(assignment.parent.parent) ?
- assignment.parent.parent :
- assignment.parent;
- addCandidateThisType(usage, checker.getTypeAtLocation(nodeWithRealType));
- }
- function inferTypeFromPropertyDeclaration(declaration, usage) {
- addCandidateThisType(usage, checker.getTypeAtLocation(declaration.parent));
- }
- function removeLowPriorityInferences(inferences, priorities) {
- var toRemove = [];
- for (var _i = 0, inferences_1 = inferences; _i < inferences_1.length; _i++) {
- var i = inferences_1[_i];
- for (var _a = 0, priorities_1 = priorities; _a < priorities_1.length; _a++) {
- var _b = priorities_1[_a], high = _b.high, low = _b.low;
- if (high(i)) {
- ts.Debug.assert(!low(i), "Priority can't have both low and high");
- toRemove.push(low);
- }
- }
- }
- return inferences.filter(function (i) { return toRemove.every(function (f) { return !f(i); }); });
- }
- function combineFromUsage(usage) {
- return combineTypes(inferTypes(usage));
- }
- function combineTypes(inferences) {
- if (!inferences.length)
- return checker.getAnyType();
- // 1. string or number individually override string | number
- // 2. non-any, non-void overrides any or void
- // 3. non-nullable, non-any, non-void, non-anonymous overrides anonymous types
- var stringNumber = checker.getUnionType([checker.getStringType(), checker.getNumberType()]);
- var priorities = [
- {
- high: function (t) { return t === checker.getStringType() || t === checker.getNumberType(); },
- low: function (t) { return t === stringNumber; }
- },
- {
- high: function (t) { return !(t.flags & (1 /* Any */ | 16384 /* Void */)); },
- low: function (t) { return !!(t.flags & (1 /* Any */ | 16384 /* Void */)); }
- },
- {
- high: function (t) { return !(t.flags & (98304 /* Nullable */ | 1 /* Any */ | 16384 /* Void */)) && !(ts.getObjectFlags(t) & 16 /* Anonymous */); },
- low: function (t) { return !!(ts.getObjectFlags(t) & 16 /* Anonymous */); }
- }
- ];
- var good = removeLowPriorityInferences(inferences, priorities);
- var anons = good.filter(function (i) { return ts.getObjectFlags(i) & 16 /* Anonymous */; });
- if (anons.length) {
- good = good.filter(function (i) { return !(ts.getObjectFlags(i) & 16 /* Anonymous */); });
- good.push(combineAnonymousTypes(anons));
- }
- return checker.getWidenedType(checker.getUnionType(good.map(checker.getBaseTypeOfLiteralType), 2 /* Subtype */));
- }
- function combineAnonymousTypes(anons) {
- if (anons.length === 1) {
- return anons[0];
- }
- var calls = [];
- var constructs = [];
- var stringIndices = [];
- var numberIndices = [];
- var stringIndexReadonly = false;
- var numberIndexReadonly = false;
- var props = ts.createMultiMap();
- for (var _i = 0, anons_1 = anons; _i < anons_1.length; _i++) {
- var anon = anons_1[_i];
- for (var _a = 0, _b = checker.getPropertiesOfType(anon); _a < _b.length; _a++) {
- var p = _b[_a];
- props.add(p.name, checker.getTypeOfSymbolAtLocation(p, p.valueDeclaration));
- }
- calls.push.apply(calls, checker.getSignaturesOfType(anon, 0 /* Call */));
- constructs.push.apply(constructs, checker.getSignaturesOfType(anon, 1 /* Construct */));
- if (anon.stringIndexInfo) {
- stringIndices.push(anon.stringIndexInfo.type);
- stringIndexReadonly = stringIndexReadonly || anon.stringIndexInfo.isReadonly;
- }
- if (anon.numberIndexInfo) {
- numberIndices.push(anon.numberIndexInfo.type);
- numberIndexReadonly = numberIndexReadonly || anon.numberIndexInfo.isReadonly;
- }
- }
- var members = ts.mapEntries(props, function (name, types) {
- var isOptional = types.length < anons.length ? 16777216 /* Optional */ : 0;
- var s = checker.createSymbol(4 /* Property */ | isOptional, name);
- s.type = checker.getUnionType(types);
- return [name, s];
- });
- return checker.createAnonymousType(anons[0].symbol, members, calls, constructs, stringIndices.length ? checker.createIndexInfo(checker.getUnionType(stringIndices), stringIndexReadonly) : undefined, numberIndices.length ? checker.createIndexInfo(checker.getUnionType(numberIndices), numberIndexReadonly) : undefined);
- }
- function inferTypes(usage) {
- var _a, _b, _c;
- var types = [];
- if (usage.isNumber) {
- types.push(checker.getNumberType());
- }
- if (usage.isString) {
- types.push(checker.getStringType());
- }
- if (usage.isNumberOrString) {
- types.push(checker.getUnionType([checker.getStringType(), checker.getNumberType()]));
- }
- if (usage.numberIndex) {
- types.push(checker.createArrayType(combineFromUsage(usage.numberIndex)));
- }
- if (((_a = usage.properties) === null || _a === void 0 ? void 0 : _a.size) || ((_b = usage.calls) === null || _b === void 0 ? void 0 : _b.length) || ((_c = usage.constructs) === null || _c === void 0 ? void 0 : _c.length) || usage.stringIndex) {
- types.push(inferStructuralType(usage));
- }
- types.push.apply(types, (usage.candidateTypes || []).map(function (t) { return checker.getBaseTypeOfLiteralType(t); }));
- types.push.apply(types, inferNamedTypesFromProperties(usage));
- return types;
- }
- function inferStructuralType(usage) {
- var members = ts.createUnderscoreEscapedMap();
- if (usage.properties) {
- usage.properties.forEach(function (u, name) {
- var symbol = checker.createSymbol(4 /* Property */, name);
- symbol.type = combineFromUsage(u);
- members.set(name, symbol);
- });
- }
- var callSignatures = usage.calls ? [getSignatureFromCalls(usage.calls)] : [];
- var constructSignatures = usage.constructs ? [getSignatureFromCalls(usage.constructs)] : [];
- var stringIndexInfo = usage.stringIndex && checker.createIndexInfo(combineFromUsage(usage.stringIndex), /*isReadonly*/ false);
- return checker.createAnonymousType(/*symbol*/ undefined, members, callSignatures, constructSignatures, stringIndexInfo, /*numberIndexInfo*/ undefined);
- }
- function inferNamedTypesFromProperties(usage) {
- if (!usage.properties || !usage.properties.size)
- return [];
- var types = builtins.filter(function (t) { return allPropertiesAreAssignableToUsage(t, usage); });
- if (0 < types.length && types.length < 3) {
- return types.map(function (t) { return inferInstantiationFromUsage(t, usage); });
- }
- return [];
- }
- function allPropertiesAreAssignableToUsage(type, usage) {
- if (!usage.properties)
- return false;
- return !ts.forEachEntry(usage.properties, function (propUsage, name) {
- var source = checker.getTypeOfPropertyOfType(type, name);
- if (!source) {
- return true;
- }
- if (propUsage.calls) {
- var sigs = checker.getSignaturesOfType(source, 0 /* Call */);
- return !sigs.length || !checker.isTypeAssignableTo(source, getFunctionFromCalls(propUsage.calls));
- }
- else {
- return !checker.isTypeAssignableTo(source, combineFromUsage(propUsage));
- }
- });
- }
- /**
- * inference is limited to
- * 1. generic types with a single parameter
- * 2. inference to/from calls with a single signature
- */
- function inferInstantiationFromUsage(type, usage) {
- if (!(ts.getObjectFlags(type) & 4 /* Reference */) || !usage.properties) {
- return type;
- }
- var generic = type.target;
- var singleTypeParameter = ts.singleOrUndefined(generic.typeParameters);
- if (!singleTypeParameter)
- return type;
- var types = [];
- usage.properties.forEach(function (propUsage, name) {
- var genericPropertyType = checker.getTypeOfPropertyOfType(generic, name);
- ts.Debug.assert(!!genericPropertyType, "generic should have all the properties of its reference.");
- types.push.apply(types, inferTypeParameters(genericPropertyType, combineFromUsage(propUsage), singleTypeParameter));
- });
- return builtinConstructors[type.symbol.escapedName](combineTypes(types));
- }
- function inferTypeParameters(genericType, usageType, typeParameter) {
- if (genericType === typeParameter) {
- return [usageType];
- }
- else if (genericType.flags & 3145728 /* UnionOrIntersection */) {
- return ts.flatMap(genericType.types, function (t) { return inferTypeParameters(t, usageType, typeParameter); });
- }
- else if (ts.getObjectFlags(genericType) & 4 /* Reference */ && ts.getObjectFlags(usageType) & 4 /* Reference */) {
- // this is wrong because we need a reference to the targetType to, so we can check that it's also a reference
- var genericArgs = checker.getTypeArguments(genericType);
- var usageArgs = checker.getTypeArguments(usageType);
- var types = [];
- if (genericArgs && usageArgs) {
- for (var i = 0; i < genericArgs.length; i++) {
- if (usageArgs[i]) {
- types.push.apply(types, inferTypeParameters(genericArgs[i], usageArgs[i], typeParameter));
- }
- }
- }
- return types;
- }
- var genericSigs = checker.getSignaturesOfType(genericType, 0 /* Call */);
- var usageSigs = checker.getSignaturesOfType(usageType, 0 /* Call */);
- if (genericSigs.length === 1 && usageSigs.length === 1) {
- return inferFromSignatures(genericSigs[0], usageSigs[0], typeParameter);
- }
- return [];
- }
- function inferFromSignatures(genericSig, usageSig, typeParameter) {
- var types = [];
- for (var i = 0; i < genericSig.parameters.length; i++) {
- var genericParam = genericSig.parameters[i];
- var usageParam = usageSig.parameters[i];
- var isRest = genericSig.declaration && ts.isRestParameter(genericSig.declaration.parameters[i]);
- if (!usageParam) {
- break;
- }
- var genericParamType = checker.getTypeOfSymbolAtLocation(genericParam, genericParam.valueDeclaration);
- var elementType = isRest && checker.getElementTypeOfArrayType(genericParamType);
- if (elementType) {
- genericParamType = elementType;
- }
- var targetType = usageParam.type || checker.getTypeOfSymbolAtLocation(usageParam, usageParam.valueDeclaration);
- types.push.apply(types, inferTypeParameters(genericParamType, targetType, typeParameter));
- }
- var genericReturn = checker.getReturnTypeOfSignature(genericSig);
- var usageReturn = checker.getReturnTypeOfSignature(usageSig);
- types.push.apply(types, inferTypeParameters(genericReturn, usageReturn, typeParameter));
- return types;
- }
- function getFunctionFromCalls(calls) {
- return checker.createAnonymousType(/*symbol*/ undefined, ts.createSymbolTable(), [getSignatureFromCalls(calls)], ts.emptyArray, /*stringIndexInfo*/ undefined, /*numberIndexInfo*/ undefined);
- }
- function getSignatureFromCalls(calls) {
- var parameters = [];
- var length = Math.max.apply(Math, calls.map(function (c) { return c.argumentTypes.length; }));
- var _loop_14 = function (i) {
- var symbol = checker.createSymbol(1 /* FunctionScopedVariable */, ts.escapeLeadingUnderscores("arg" + i));
- symbol.type = combineTypes(calls.map(function (call) { return call.argumentTypes[i] || checker.getUndefinedType(); }));
- if (calls.some(function (call) { return call.argumentTypes[i] === undefined; })) {
- symbol.flags |= 16777216 /* Optional */;
- }
- parameters.push(symbol);
- };
- for (var i = 0; i < length; i++) {
- _loop_14(i);
- }
- var returnType = combineFromUsage(combineUsages(calls.map(function (call) { return call.return_; })));
- // TODO: GH#18217
- return checker.createSignature(/*declaration*/ undefined, /*typeParameters*/ undefined, /*thisParameter*/ undefined, parameters, returnType, /*typePredicate*/ undefined, length, 0 /* None */);
- }
- function addCandidateType(usage, type) {
- if (type && !(type.flags & 1 /* Any */) && !(type.flags & 131072 /* Never */)) {
- (usage.candidateTypes || (usage.candidateTypes = [])).push(type);
- }
- }
- function addCandidateThisType(usage, type) {
- if (type && !(type.flags & 1 /* Any */) && !(type.flags & 131072 /* Never */)) {
- (usage.candidateThisTypes || (usage.candidateThisTypes = [])).push(type);
- }
- }
- }
- })(codefix = ts.codefix || (ts.codefix = {}));
-})(ts || (ts = {}));
-/* @internal */
-var ts;
-(function (ts) {
- var codefix;
- (function (codefix) {
- var fixName = "disableJsDiagnostics";
- var fixId = "disableJsDiagnostics";
- var errorCodes = ts.mapDefined(Object.keys(ts.Diagnostics), function (key) {
- var diag = ts.Diagnostics[key];
- return diag.category === ts.DiagnosticCategory.Error ? diag.code : undefined;
- });
- codefix.registerCodeFix({
- errorCodes: errorCodes,
- getCodeActions: function (context) {
- var sourceFile = context.sourceFile, program = context.program, span = context.span, host = context.host, formatContext = context.formatContext;
- if (!ts.isInJSFile(sourceFile) || !ts.isCheckJsEnabledForFile(sourceFile, program.getCompilerOptions())) {
- return undefined;
- }
- var newLineCharacter = sourceFile.checkJsDirective ? "" : ts.getNewLineOrDefaultFromHost(host, formatContext.options);
- var fixes = [
- // fixId unnecessary because adding `// @ts-nocheck` even once will ignore every error in the file.
- codefix.createCodeFixActionWithoutFixAll(fixName, [codefix.createFileTextChanges(sourceFile.fileName, [
- ts.createTextChange(sourceFile.checkJsDirective
- ? ts.createTextSpanFromBounds(sourceFile.checkJsDirective.pos, sourceFile.checkJsDirective.end)
- : ts.createTextSpan(0, 0), "// @ts-nocheck" + newLineCharacter),
- ])], ts.Diagnostics.Disable_checking_for_this_file),
- ];
- if (ts.textChanges.isValidLocationToAddComment(sourceFile, span.start)) {
- fixes.unshift(codefix.createCodeFixAction(fixName, ts.textChanges.ChangeTracker.with(context, function (t) { return makeChange(t, sourceFile, span.start); }), ts.Diagnostics.Ignore_this_error_message, fixId, ts.Diagnostics.Add_ts_ignore_to_all_error_messages));
- }
- return fixes;
- },
- fixIds: [fixId],
- getAllCodeActions: function (context) {
- var seenLines = ts.createMap();
- return codefix.codeFixAll(context, errorCodes, function (changes, diag) {
- if (ts.textChanges.isValidLocationToAddComment(diag.file, diag.start)) {
- makeChange(changes, diag.file, diag.start, seenLines);
- }
- });
- },
- });
- function makeChange(changes, sourceFile, position, seenLines) {
- var lineNumber = ts.getLineAndCharacterOfPosition(sourceFile, position).line;
- // Only need to add `// @ts-ignore` for a line once.
- if (!seenLines || ts.addToSeen(seenLines, lineNumber)) {
- changes.insertCommentBeforeLine(sourceFile, lineNumber, position, " @ts-ignore");
- }
- }
- })(codefix = ts.codefix || (ts.codefix = {}));
-})(ts || (ts = {}));
-/* @internal */
-var ts;
-(function (ts) {
- var codefix;
- (function (codefix) {
- /**
- * Finds members of the resolved type that are missing in the class pointed to by class decl
- * and generates source code for the missing members.
- * @param possiblyMissingSymbols The collection of symbols to filter and then get insertions for.
- * @param importAdder If provided, type annotations will use identifier type references instead of ImportTypeNodes, and the missing imports will be added to the importAdder.
- * @returns Empty string iff there are no member insertions.
- */
- function createMissingMemberNodes(classDeclaration, possiblyMissingSymbols, context, preferences, importAdder, addClassElement) {
- var classMembers = classDeclaration.symbol.members;
- for (var _i = 0, possiblyMissingSymbols_1 = possiblyMissingSymbols; _i < possiblyMissingSymbols_1.length; _i++) {
- var symbol = possiblyMissingSymbols_1[_i];
- if (!classMembers.has(symbol.escapedName)) {
- addNewNodeForMemberSymbol(symbol, classDeclaration, context, preferences, importAdder, addClassElement);
- }
- }
- }
- codefix.createMissingMemberNodes = createMissingMemberNodes;
- function getNoopSymbolTrackerWithResolver(context) {
- return {
- trackSymbol: ts.noop,
- moduleResolverHost: ts.getModuleSpecifierResolverHost(context.program, context.host),
- };
- }
- codefix.getNoopSymbolTrackerWithResolver = getNoopSymbolTrackerWithResolver;
- /**
- * @returns Empty string iff there we can't figure out a representation for `symbol` in `enclosingDeclaration`.
- */
- function addNewNodeForMemberSymbol(symbol, enclosingDeclaration, context, preferences, importAdder, addClassElement) {
- var declarations = symbol.getDeclarations();
- if (!(declarations && declarations.length)) {
- return undefined;
- }
- var checker = context.program.getTypeChecker();
- var scriptTarget = ts.getEmitScriptTarget(context.program.getCompilerOptions());
- var declaration = declarations[0];
- var name = ts.getSynthesizedDeepClone(ts.getNameOfDeclaration(declaration), /*includeTrivia*/ false);
- var visibilityModifier = createVisibilityModifier(ts.getModifierFlags(declaration));
- var modifiers = visibilityModifier ? ts.createNodeArray([visibilityModifier]) : undefined;
- var type = checker.getWidenedType(checker.getTypeOfSymbolAtLocation(symbol, enclosingDeclaration));
- var optional = !!(symbol.flags & 16777216 /* Optional */);
- var ambient = !!(enclosingDeclaration.flags & 8388608 /* Ambient */);
- switch (declaration.kind) {
- case 158 /* PropertySignature */:
- case 159 /* PropertyDeclaration */:
- var flags = preferences.quotePreference === "single" ? 268435456 /* UseSingleQuotesForStringLiteralType */ : undefined;
- var typeNode = checker.typeToTypeNode(type, enclosingDeclaration, flags, getNoopSymbolTrackerWithResolver(context));
- if (importAdder) {
- var importableReference = tryGetAutoImportableReferenceFromImportTypeNode(typeNode, type, scriptTarget);
- if (importableReference) {
- typeNode = importableReference.typeReference;
- importSymbols(importAdder, importableReference.symbols);
- }
- }
- addClassElement(ts.createProperty(
- /*decorators*/ undefined, modifiers, name, optional ? ts.createToken(57 /* QuestionToken */) : undefined, typeNode,
- /*initializer*/ undefined));
- break;
- case 163 /* GetAccessor */:
- case 164 /* SetAccessor */: {
- var typeNode_1 = checker.typeToTypeNode(type, enclosingDeclaration, /*flags*/ undefined, getNoopSymbolTrackerWithResolver(context));
- var allAccessors = ts.getAllAccessorDeclarations(declarations, declaration);
- var orderedAccessors = allAccessors.secondAccessor
- ? [allAccessors.firstAccessor, allAccessors.secondAccessor]
- : [allAccessors.firstAccessor];
- if (importAdder) {
- var importableReference = tryGetAutoImportableReferenceFromImportTypeNode(typeNode_1, type, scriptTarget);
- if (importableReference) {
- typeNode_1 = importableReference.typeReference;
- importSymbols(importAdder, importableReference.symbols);
- }
- }
- for (var _i = 0, orderedAccessors_1 = orderedAccessors; _i < orderedAccessors_1.length; _i++) {
- var accessor = orderedAccessors_1[_i];
- if (ts.isGetAccessorDeclaration(accessor)) {
- addClassElement(ts.createGetAccessor(
- /*decorators*/ undefined, modifiers, name, ts.emptyArray, typeNode_1, ambient ? undefined : createStubbedMethodBody(preferences)));
- }
- else {
- ts.Debug.assertNode(accessor, ts.isSetAccessorDeclaration, "The counterpart to a getter should be a setter");
- var parameter = ts.getSetAccessorValueParameter(accessor);
- var parameterName = parameter && ts.isIdentifier(parameter.name) ? ts.idText(parameter.name) : undefined;
- addClassElement(ts.createSetAccessor(
- /*decorators*/ undefined, modifiers, name, createDummyParameters(1, [parameterName], [typeNode_1], 1, /*inJs*/ false), ambient ? undefined : createStubbedMethodBody(preferences)));
- }
- }
- break;
- }
- case 160 /* MethodSignature */:
- case 161 /* MethodDeclaration */:
- // The signature for the implementation appears as an entry in `signatures` iff
- // there is only one signature.
- // If there are overloads and an implementation signature, it appears as an
- // extra declaration that isn't a signature for `type`.
- // If there is more than one overload but no implementation signature
- // (eg: an abstract method or interface declaration), there is a 1-1
- // correspondence of declarations and signatures.
- var signatures = checker.getSignaturesOfType(type, 0 /* Call */);
- if (!ts.some(signatures)) {
- break;
- }
- if (declarations.length === 1) {
- ts.Debug.assert(signatures.length === 1, "One declaration implies one signature");
- var signature = signatures[0];
- outputMethod(signature, modifiers, name, ambient ? undefined : createStubbedMethodBody(preferences));
- break;
- }
- for (var _a = 0, signatures_1 = signatures; _a < signatures_1.length; _a++) {
- var signature = signatures_1[_a];
- // Need to ensure nodes are fresh each time so they can have different positions.
- outputMethod(signature, ts.getSynthesizedDeepClones(modifiers, /*includeTrivia*/ false), ts.getSynthesizedDeepClone(name, /*includeTrivia*/ false));
- }
- if (!ambient) {
- if (declarations.length > signatures.length) {
- var signature = checker.getSignatureFromDeclaration(declarations[declarations.length - 1]);
- outputMethod(signature, modifiers, name, createStubbedMethodBody(preferences));
- }
- else {
- ts.Debug.assert(declarations.length === signatures.length, "Declarations and signatures should match count");
- addClassElement(createMethodImplementingSignatures(signatures, name, optional, modifiers, preferences));
- }
- }
- break;
- }
- function outputMethod(signature, modifiers, name, body) {
- var method = signatureToMethodDeclaration(context, signature, enclosingDeclaration, modifiers, name, optional, body, importAdder);
- if (method)
- addClassElement(method);
- }
- }
- function signatureToMethodDeclaration(context, signature, enclosingDeclaration, modifiers, name, optional, body, importAdder) {
- var program = context.program;
- var checker = program.getTypeChecker();
- var scriptTarget = ts.getEmitScriptTarget(program.getCompilerOptions());
- var signatureDeclaration = checker.signatureToSignatureDeclaration(signature, 161 /* MethodDeclaration */, enclosingDeclaration, 1 /* NoTruncation */ | 256 /* SuppressAnyReturnType */, getNoopSymbolTrackerWithResolver(context));
- if (!signatureDeclaration) {
- return undefined;
- }
- if (importAdder) {
- if (signatureDeclaration.typeParameters) {
- ts.forEach(signatureDeclaration.typeParameters, function (typeParameterDecl, i) {
- var typeParameter = signature.typeParameters[i];
- if (typeParameterDecl.constraint) {
- var importableReference = tryGetAutoImportableReferenceFromImportTypeNode(typeParameterDecl.constraint, typeParameter.constraint, scriptTarget);
- if (importableReference) {
- typeParameterDecl.constraint = importableReference.typeReference;
- importSymbols(importAdder, importableReference.symbols);
- }
- }
- if (typeParameterDecl.default) {
- var importableReference = tryGetAutoImportableReferenceFromImportTypeNode(typeParameterDecl.default, typeParameter.default, scriptTarget);
- if (importableReference) {
- typeParameterDecl.default = importableReference.typeReference;
- importSymbols(importAdder, importableReference.symbols);
- }
- }
- });
- }
- ts.forEach(signatureDeclaration.parameters, function (parameterDecl, i) {
- var parameter = signature.parameters[i];
- var importableReference = tryGetAutoImportableReferenceFromImportTypeNode(parameterDecl.type, checker.getTypeAtLocation(parameter.valueDeclaration), scriptTarget);
- if (importableReference) {
- parameterDecl.type = importableReference.typeReference;
- importSymbols(importAdder, importableReference.symbols);
- }
- });
- if (signatureDeclaration.type) {
- var importableReference = tryGetAutoImportableReferenceFromImportTypeNode(signatureDeclaration.type, signature.resolvedReturnType, scriptTarget);
- if (importableReference) {
- signatureDeclaration.type = importableReference.typeReference;
- importSymbols(importAdder, importableReference.symbols);
- }
- }
- }
- signatureDeclaration.decorators = undefined;
- signatureDeclaration.modifiers = modifiers;
- signatureDeclaration.name = name;
- signatureDeclaration.questionToken = optional ? ts.createToken(57 /* QuestionToken */) : undefined;
- signatureDeclaration.body = body;
- return signatureDeclaration;
- }
- function createMethodFromCallExpression(context, call, methodName, inJs, makeStatic, contextNode, importAdder) {
- var body = !ts.isInterfaceDeclaration(contextNode);
- var typeArguments = call.typeArguments, args = call.arguments, parent = call.parent;
- var scriptTarget = ts.getEmitScriptTarget(context.program.getCompilerOptions());
- var checker = context.program.getTypeChecker();
- var tracker = getNoopSymbolTrackerWithResolver(context);
- var types = ts.map(args, function (arg) {
- return typeToAutoImportableTypeNode(checker, importAdder, checker.getBaseTypeOfLiteralType(checker.getTypeAtLocation(arg)), contextNode, scriptTarget, /*flags*/ undefined, tracker);
- });
- var names = ts.map(args, function (arg) {
- return ts.isIdentifier(arg) ? arg.text : ts.isPropertyAccessExpression(arg) && ts.isIdentifier(arg.name) ? arg.name.text : undefined;
- });
- var contextualType = checker.getContextualType(call);
- var returnType = (inJs || !contextualType) ? undefined : checker.typeToTypeNode(contextualType, contextNode, /*flags*/ undefined, tracker);
- return ts.createMethod(
- /*decorators*/ undefined,
- /*modifiers*/ makeStatic ? [ts.createToken(120 /* StaticKeyword */)] : undefined,
- /*asteriskToken*/ ts.isYieldExpression(parent) ? ts.createToken(41 /* AsteriskToken */) : undefined, methodName,
- /*questionToken*/ undefined,
- /*typeParameters*/ inJs ? undefined : ts.map(typeArguments, function (_, i) {
- return ts.createTypeParameterDeclaration(84 /* T */ + typeArguments.length - 1 <= 90 /* Z */ ? String.fromCharCode(84 /* T */ + i) : "T" + i);
- }),
- /*parameters*/ createDummyParameters(args.length, names, types, /*minArgumentCount*/ undefined, inJs),
- /*type*/ returnType, body ? createStubbedMethodBody(context.preferences) : undefined);
- }
- codefix.createMethodFromCallExpression = createMethodFromCallExpression;
- function typeToAutoImportableTypeNode(checker, importAdder, type, contextNode, scriptTarget, flags, tracker) {
- var typeNode = checker.typeToTypeNode(type, contextNode, flags, tracker);
- if (typeNode && ts.isImportTypeNode(typeNode)) {
- var importableReference = tryGetAutoImportableReferenceFromImportTypeNode(typeNode, type, scriptTarget);
- if (importableReference) {
- importSymbols(importAdder, importableReference.symbols);
- return importableReference.typeReference;
- }
- }
- return typeNode;
- }
- codefix.typeToAutoImportableTypeNode = typeToAutoImportableTypeNode;
- function createDummyParameters(argCount, names, types, minArgumentCount, inJs) {
- var parameters = [];
- for (var i = 0; i < argCount; i++) {
- var newParameter = ts.createParameter(
- /*decorators*/ undefined,
- /*modifiers*/ undefined,
- /*dotDotDotToken*/ undefined,
- /*name*/ names && names[i] || "arg" + i,
- /*questionToken*/ minArgumentCount !== undefined && i >= minArgumentCount ? ts.createToken(57 /* QuestionToken */) : undefined,
- /*type*/ inJs ? undefined : types && types[i] || ts.createKeywordTypeNode(125 /* AnyKeyword */),
- /*initializer*/ undefined);
- parameters.push(newParameter);
- }
- return parameters;
- }
- function createMethodImplementingSignatures(signatures, name, optional, modifiers, preferences) {
- /** This is *a* signature with the maximal number of arguments,
- * such that if there is a "maximal" signature without rest arguments,
- * this is one of them.
- */
- var maxArgsSignature = signatures[0];
- var minArgumentCount = signatures[0].minArgumentCount;
- var someSigHasRestParameter = false;
- for (var _i = 0, signatures_2 = signatures; _i < signatures_2.length; _i++) {
- var sig = signatures_2[_i];
- minArgumentCount = Math.min(sig.minArgumentCount, minArgumentCount);
- if (ts.signatureHasRestParameter(sig)) {
- someSigHasRestParameter = true;
- }
- if (sig.parameters.length >= maxArgsSignature.parameters.length && (!ts.signatureHasRestParameter(sig) || ts.signatureHasRestParameter(maxArgsSignature))) {
- maxArgsSignature = sig;
- }
- }
- var maxNonRestArgs = maxArgsSignature.parameters.length - (ts.signatureHasRestParameter(maxArgsSignature) ? 1 : 0);
- var maxArgsParameterSymbolNames = maxArgsSignature.parameters.map(function (symbol) { return symbol.name; });
- var parameters = createDummyParameters(maxNonRestArgs, maxArgsParameterSymbolNames, /* types */ undefined, minArgumentCount, /*inJs*/ false);
- if (someSigHasRestParameter) {
- var anyArrayType = ts.createArrayTypeNode(ts.createKeywordTypeNode(125 /* AnyKeyword */));
- var restParameter = ts.createParameter(
- /*decorators*/ undefined,
- /*modifiers*/ undefined, ts.createToken(25 /* DotDotDotToken */), maxArgsParameterSymbolNames[maxNonRestArgs] || "rest",
- /*questionToken*/ maxNonRestArgs >= minArgumentCount ? ts.createToken(57 /* QuestionToken */) : undefined, anyArrayType,
- /*initializer*/ undefined);
- parameters.push(restParameter);
- }
- return createStubbedMethod(modifiers, name, optional,
- /*typeParameters*/ undefined, parameters,
- /*returnType*/ undefined, preferences);
- }
- function createStubbedMethod(modifiers, name, optional, typeParameters, parameters, returnType, preferences) {
- return ts.createMethod(
- /*decorators*/ undefined, modifiers,
- /*asteriskToken*/ undefined, name, optional ? ts.createToken(57 /* QuestionToken */) : undefined, typeParameters, parameters, returnType, createStubbedMethodBody(preferences));
- }
- function createStubbedMethodBody(preferences) {
- return ts.createBlock([ts.createThrow(ts.createNew(ts.createIdentifier("Error"),
- /*typeArguments*/ undefined,
- // TODO Handle auto quote preference.
- [ts.createLiteral("Method not implemented.", /*isSingleQuote*/ preferences.quotePreference === "single")]))],
- /*multiline*/ true);
- }
- function createVisibilityModifier(flags) {
- if (flags & 4 /* Public */) {
- return ts.createToken(119 /* PublicKeyword */);
- }
- else if (flags & 16 /* Protected */) {
- return ts.createToken(118 /* ProtectedKeyword */);
- }
- return undefined;
- }
- function setJsonCompilerOptionValues(changeTracker, configFile, options) {
- var tsconfigObjectLiteral = ts.getTsConfigObjectLiteralExpression(configFile);
- if (!tsconfigObjectLiteral)
- return undefined;
- var compilerOptionsProperty = findJsonProperty(tsconfigObjectLiteral, "compilerOptions");
- if (compilerOptionsProperty === undefined) {
- changeTracker.insertNodeAtObjectStart(configFile, tsconfigObjectLiteral, createJsonPropertyAssignment("compilerOptions", ts.createObjectLiteral(options.map(function (_a) {
- var optionName = _a[0], optionValue = _a[1];
- return createJsonPropertyAssignment(optionName, optionValue);
- }), /*multiLine*/ true)));
- return;
- }
- var compilerOptions = compilerOptionsProperty.initializer;
- if (!ts.isObjectLiteralExpression(compilerOptions)) {
- return;
- }
- for (var _i = 0, options_1 = options; _i < options_1.length; _i++) {
- var _a = options_1[_i], optionName = _a[0], optionValue = _a[1];
- var optionProperty = findJsonProperty(compilerOptions, optionName);
- if (optionProperty === undefined) {
- changeTracker.insertNodeAtObjectStart(configFile, compilerOptions, createJsonPropertyAssignment(optionName, optionValue));
- }
- else {
- changeTracker.replaceNode(configFile, optionProperty.initializer, optionValue);
- }
- }
- }
- codefix.setJsonCompilerOptionValues = setJsonCompilerOptionValues;
- function setJsonCompilerOptionValue(changeTracker, configFile, optionName, optionValue) {
- setJsonCompilerOptionValues(changeTracker, configFile, [[optionName, optionValue]]);
- }
- codefix.setJsonCompilerOptionValue = setJsonCompilerOptionValue;
- function createJsonPropertyAssignment(name, initializer) {
- return ts.createPropertyAssignment(ts.createStringLiteral(name), initializer);
- }
- codefix.createJsonPropertyAssignment = createJsonPropertyAssignment;
- function findJsonProperty(obj, name) {
- return ts.find(obj.properties, function (p) { return ts.isPropertyAssignment(p) && !!p.name && ts.isStringLiteral(p.name) && p.name.text === name; });
- }
- codefix.findJsonProperty = findJsonProperty;
- /**
- * Given an ImportTypeNode 'import("./a").SomeType<import("./b").OtherType<...>>',
- * returns an equivalent type reference node with any nested ImportTypeNodes also replaced
- * with type references, and a list of symbols that must be imported to use the type reference.
- */
- function tryGetAutoImportableReferenceFromImportTypeNode(importTypeNode, type, scriptTarget) {
- if (importTypeNode && ts.isLiteralImportTypeNode(importTypeNode) && importTypeNode.qualifier && (!type || type.symbol)) {
- // Symbol for the left-most thing after the dot
- var firstIdentifier = ts.getFirstIdentifier(importTypeNode.qualifier);
- var name = ts.getNameForExportedSymbol(firstIdentifier.symbol, scriptTarget);
- var qualifier = name !== firstIdentifier.text
- ? replaceFirstIdentifierOfEntityName(importTypeNode.qualifier, ts.createIdentifier(name))
- : importTypeNode.qualifier;
- var symbols_4 = [firstIdentifier.symbol];
- var typeArguments_1 = [];
- if (importTypeNode.typeArguments) {
- importTypeNode.typeArguments.forEach(function (arg) {
- var ref = tryGetAutoImportableReferenceFromImportTypeNode(arg, /*undefined*/ type, scriptTarget);
- if (ref) {
- symbols_4.push.apply(symbols_4, ref.symbols);
- typeArguments_1.push(ref.typeReference);
- }
- else {
- typeArguments_1.push(arg);
- }
- });
- }
- return {
- symbols: symbols_4,
- typeReference: ts.createTypeReferenceNode(qualifier, typeArguments_1)
- };
- }
- }
- codefix.tryGetAutoImportableReferenceFromImportTypeNode = tryGetAutoImportableReferenceFromImportTypeNode;
- function replaceFirstIdentifierOfEntityName(name, newIdentifier) {
- if (name.kind === 75 /* Identifier */) {
- return newIdentifier;
- }
- return ts.createQualifiedName(replaceFirstIdentifierOfEntityName(name.left, newIdentifier), name.right);
- }
- function importSymbols(importAdder, symbols) {
- symbols.forEach(function (s) { return importAdder.addImportFromExportedSymbol(s, /*usageIsTypeOnly*/ true); });
- }
- codefix.importSymbols = importSymbols;
- })(codefix = ts.codefix || (ts.codefix = {}));
-})(ts || (ts = {}));
-/* @internal */
-var ts;
-(function (ts) {
- var codefix;
- (function (codefix) {
- var fixName = "invalidImportSyntax";
- function getCodeFixesForImportDeclaration(context, node) {
- var sourceFile = ts.getSourceFileOfNode(node);
- var namespace = ts.getNamespaceDeclarationNode(node);
- var opts = context.program.getCompilerOptions();
- var variations = [];
- // import Bluebird from "bluebird";
- variations.push(createAction(context, sourceFile, node, ts.makeImport(namespace.name, /*namedImports*/ undefined, node.moduleSpecifier, ts.getQuotePreference(sourceFile, context.preferences))));
- if (ts.getEmitModuleKind(opts) === ts.ModuleKind.CommonJS) {
- // import Bluebird = require("bluebird");
- variations.push(createAction(context, sourceFile, node, ts.createImportEqualsDeclaration(
- /*decorators*/ undefined,
- /*modifiers*/ undefined, namespace.name, ts.createExternalModuleReference(node.moduleSpecifier))));
- }
- return variations;
- }
- function createAction(context, sourceFile, node, replacement) {
- var changes = ts.textChanges.ChangeTracker.with(context, function (t) { return t.replaceNode(sourceFile, node, replacement); });
- return codefix.createCodeFixActionWithoutFixAll(fixName, changes, [ts.Diagnostics.Replace_import_with_0, changes[0].textChanges[0].newText]);
- }
- codefix.registerCodeFix({
- errorCodes: [
- ts.Diagnostics.This_expression_is_not_callable.code,
- ts.Diagnostics.This_expression_is_not_constructable.code,
- ],
- getCodeActions: getActionsForUsageOfInvalidImport
- });
- function getActionsForUsageOfInvalidImport(context) {
- var sourceFile = context.sourceFile;
- var targetKind = ts.Diagnostics.This_expression_is_not_callable.code === context.errorCode ? 196 /* CallExpression */ : 197 /* NewExpression */;
- var node = ts.findAncestor(ts.getTokenAtPosition(sourceFile, context.span.start), function (a) { return a.kind === targetKind; });
- if (!node) {
- return [];
- }
- var expr = node.expression;
- return getImportCodeFixesForExpression(context, expr);
- }
- codefix.registerCodeFix({
- errorCodes: [
- // The following error codes cover pretty much all assignability errors that could involve an expression
- ts.Diagnostics.Argument_of_type_0_is_not_assignable_to_parameter_of_type_1.code,
- ts.Diagnostics.Type_0_does_not_satisfy_the_constraint_1.code,
- ts.Diagnostics.Type_0_is_not_assignable_to_type_1.code,
- ts.Diagnostics.Type_0_is_not_assignable_to_type_1_Two_different_types_with_this_name_exist_but_they_are_unrelated.code,
- ts.Diagnostics.Type_predicate_0_is_not_assignable_to_1.code,
- ts.Diagnostics.Property_0_of_type_1_is_not_assignable_to_string_index_type_2.code,
- ts.Diagnostics.Property_0_of_type_1_is_not_assignable_to_numeric_index_type_2.code,
- ts.Diagnostics.Numeric_index_type_0_is_not_assignable_to_string_index_type_1.code,
- ts.Diagnostics.Property_0_in_type_1_is_not_assignable_to_the_same_property_in_base_type_2.code,
- ts.Diagnostics.Property_0_in_type_1_is_not_assignable_to_type_2.code,
- ts.Diagnostics.Property_0_of_JSX_spread_attribute_is_not_assignable_to_target_property.code,
- ts.Diagnostics.The_this_context_of_type_0_is_not_assignable_to_method_s_this_of_type_1.code,
- ],
- getCodeActions: getActionsForInvalidImportLocation
- });
- function getActionsForInvalidImportLocation(context) {
- var sourceFile = context.sourceFile;
- var node = ts.findAncestor(ts.getTokenAtPosition(sourceFile, context.span.start), function (a) { return a.getStart() === context.span.start && a.getEnd() === (context.span.start + context.span.length); });
- if (!node) {
- return [];
- }
- return getImportCodeFixesForExpression(context, node);
- }
- function getImportCodeFixesForExpression(context, expr) {
- var type = context.program.getTypeChecker().getTypeAtLocation(expr);
- if (!(type.symbol && type.symbol.originatingImport)) {
- return [];
- }
- var fixes = [];
- var relatedImport = type.symbol.originatingImport; // TODO: GH#18217
- if (!ts.isImportCall(relatedImport)) {
- ts.addRange(fixes, getCodeFixesForImportDeclaration(context, relatedImport));
- }
- if (ts.isExpression(expr) && !(ts.isNamedDeclaration(expr.parent) && expr.parent.name === expr)) {
- var sourceFile_1 = context.sourceFile;
- var changes = ts.textChanges.ChangeTracker.with(context, function (t) { return t.replaceNode(sourceFile_1, expr, ts.createPropertyAccess(expr, "default"), {}); });
- fixes.push(codefix.createCodeFixActionWithoutFixAll(fixName, changes, ts.Diagnostics.Use_synthetic_default_member));
- }
- return fixes;
- }
- })(codefix = ts.codefix || (ts.codefix = {}));
-})(ts || (ts = {}));
-/* @internal */
-var ts;
-(function (ts) {
- var codefix;
- (function (codefix) {
- var fixName = "strictClassInitialization";
- var fixIdAddDefiniteAssignmentAssertions = "addMissingPropertyDefiniteAssignmentAssertions";
- var fixIdAddUndefinedType = "addMissingPropertyUndefinedType";
- var fixIdAddInitializer = "addMissingPropertyInitializer";
- var errorCodes = [ts.Diagnostics.Property_0_has_no_initializer_and_is_not_definitely_assigned_in_the_constructor.code];
- codefix.registerCodeFix({
- errorCodes: errorCodes,
- getCodeActions: function (context) {
- var propertyDeclaration = getPropertyDeclaration(context.sourceFile, context.span.start);
- if (!propertyDeclaration)
- return;
- var result = [
- getActionForAddMissingUndefinedType(context, propertyDeclaration),
- getActionForAddMissingDefiniteAssignmentAssertion(context, propertyDeclaration)
- ];
- ts.append(result, getActionForAddMissingInitializer(context, propertyDeclaration));
- return result;
- },
- fixIds: [fixIdAddDefiniteAssignmentAssertions, fixIdAddUndefinedType, fixIdAddInitializer],
- getAllCodeActions: function (context) {
- return codefix.codeFixAll(context, errorCodes, function (changes, diag) {
- var propertyDeclaration = getPropertyDeclaration(diag.file, diag.start);
- if (!propertyDeclaration)
- return;
- switch (context.fixId) {
- case fixIdAddDefiniteAssignmentAssertions:
- addDefiniteAssignmentAssertion(changes, diag.file, propertyDeclaration);
- break;
- case fixIdAddUndefinedType:
- addUndefinedType(changes, diag.file, propertyDeclaration);
- break;
- case fixIdAddInitializer:
- var checker = context.program.getTypeChecker();
- var initializer = getInitializer(checker, propertyDeclaration);
- if (!initializer)
- return;
- addInitializer(changes, diag.file, propertyDeclaration, initializer);
- break;
- default:
- ts.Debug.fail(JSON.stringify(context.fixId));
- }
- });
- },
- });
- function getPropertyDeclaration(sourceFile, pos) {
- var token = ts.getTokenAtPosition(sourceFile, pos);
- return ts.isIdentifier(token) ? ts.cast(token.parent, ts.isPropertyDeclaration) : undefined;
- }
- function getActionForAddMissingDefiniteAssignmentAssertion(context, propertyDeclaration) {
- var changes = ts.textChanges.ChangeTracker.with(context, function (t) { return addDefiniteAssignmentAssertion(t, context.sourceFile, propertyDeclaration); });
- return codefix.createCodeFixAction(fixName, changes, [ts.Diagnostics.Add_definite_assignment_assertion_to_property_0, propertyDeclaration.getText()], fixIdAddDefiniteAssignmentAssertions, ts.Diagnostics.Add_definite_assignment_assertions_to_all_uninitialized_properties);
- }
- function addDefiniteAssignmentAssertion(changeTracker, propertyDeclarationSourceFile, propertyDeclaration) {
- var property = ts.updateProperty(propertyDeclaration, propertyDeclaration.decorators, propertyDeclaration.modifiers, propertyDeclaration.name, ts.createToken(53 /* ExclamationToken */), propertyDeclaration.type, propertyDeclaration.initializer);
- changeTracker.replaceNode(propertyDeclarationSourceFile, propertyDeclaration, property);
- }
- function getActionForAddMissingUndefinedType(context, propertyDeclaration) {
- var changes = ts.textChanges.ChangeTracker.with(context, function (t) { return addUndefinedType(t, context.sourceFile, propertyDeclaration); });
- return codefix.createCodeFixAction(fixName, changes, [ts.Diagnostics.Add_undefined_type_to_property_0, propertyDeclaration.name.getText()], fixIdAddUndefinedType, ts.Diagnostics.Add_undefined_type_to_all_uninitialized_properties);
- }
- function addUndefinedType(changeTracker, propertyDeclarationSourceFile, propertyDeclaration) {
- var undefinedTypeNode = ts.createKeywordTypeNode(146 /* UndefinedKeyword */);
- var type = propertyDeclaration.type; // TODO: GH#18217
- var types = ts.isUnionTypeNode(type) ? type.types.concat(undefinedTypeNode) : [type, undefinedTypeNode];
- changeTracker.replaceNode(propertyDeclarationSourceFile, type, ts.createUnionTypeNode(types));
- }
- function getActionForAddMissingInitializer(context, propertyDeclaration) {
- var checker = context.program.getTypeChecker();
- var initializer = getInitializer(checker, propertyDeclaration);
- if (!initializer)
- return undefined;
- var changes = ts.textChanges.ChangeTracker.with(context, function (t) { return addInitializer(t, context.sourceFile, propertyDeclaration, initializer); });
- return codefix.createCodeFixAction(fixName, changes, [ts.Diagnostics.Add_initializer_to_property_0, propertyDeclaration.name.getText()], fixIdAddInitializer, ts.Diagnostics.Add_initializers_to_all_uninitialized_properties);
- }
- function addInitializer(changeTracker, propertyDeclarationSourceFile, propertyDeclaration, initializer) {
- var property = ts.updateProperty(propertyDeclaration, propertyDeclaration.decorators, propertyDeclaration.modifiers, propertyDeclaration.name, propertyDeclaration.questionToken, propertyDeclaration.type, initializer);
- changeTracker.replaceNode(propertyDeclarationSourceFile, propertyDeclaration, property);
- }
- function getInitializer(checker, propertyDeclaration) {
- return getDefaultValueFromType(checker, checker.getTypeFromTypeNode(propertyDeclaration.type)); // TODO: GH#18217
- }
- function getDefaultValueFromType(checker, type) {
- if (type.flags & 512 /* BooleanLiteral */) {
- return (type === checker.getFalseType() || type === checker.getFalseType(/*fresh*/ true)) ? ts.createFalse() : ts.createTrue();
- }
- else if (type.isLiteral()) {
- return ts.createLiteral(type.value);
- }
- else if (type.isUnion()) {
- return ts.firstDefined(type.types, function (t) { return getDefaultValueFromType(checker, t); });
- }
- else if (type.isClass()) {
- var classDeclaration = ts.getClassLikeDeclarationOfSymbol(type.symbol);
- if (!classDeclaration || ts.hasModifier(classDeclaration, 128 /* Abstract */))
- return undefined;
- var constructorDeclaration = ts.getFirstConstructorWithBody(classDeclaration);
- if (constructorDeclaration && constructorDeclaration.parameters.length)
- return undefined;
- return ts.createNew(ts.createIdentifier(type.symbol.name), /*typeArguments*/ undefined, /*argumentsArray*/ undefined);
- }
- else if (checker.isArrayLikeType(type)) {
- return ts.createArrayLiteral();
- }
- return undefined;
- }
- })(codefix = ts.codefix || (ts.codefix = {}));
-})(ts || (ts = {}));
-/* @internal */
-var ts;
-(function (ts) {
- var codefix;
- (function (codefix) {
- var fixId = "requireInTs";
- var errorCodes = [ts.Diagnostics.require_call_may_be_converted_to_an_import.code];
- codefix.registerCodeFix({
- errorCodes: errorCodes,
- getCodeActions: function (context) {
- var changes = ts.textChanges.ChangeTracker.with(context, function (t) { return doChange(t, context.sourceFile, context.span.start, context.program); });
- return [codefix.createCodeFixAction(fixId, changes, ts.Diagnostics.Convert_require_to_import, fixId, ts.Diagnostics.Convert_all_require_to_import)];
- },
- fixIds: [fixId],
- getAllCodeActions: function (context) { return codefix.codeFixAll(context, errorCodes, function (changes, diag) { return doChange(changes, diag.file, diag.start, context.program); }); },
- });
- function doChange(changes, sourceFile, pos, program) {
- var _a = getInfo(sourceFile, pos), statement = _a.statement, name = _a.name, required = _a.required;
- changes.replaceNode(sourceFile, statement, ts.getAllowSyntheticDefaultImports(program.getCompilerOptions())
- ? ts.createImportDeclaration(/*decorators*/ undefined, /*modifiers*/ undefined, ts.createImportClause(name, /*namedBindings*/ undefined), required)
- : ts.createImportEqualsDeclaration(/*decorators*/ undefined, /*modifiers*/ undefined, name, ts.createExternalModuleReference(required)));
- }
- function getInfo(sourceFile, pos) {
- var parent = ts.getTokenAtPosition(sourceFile, pos).parent;
- if (!ts.isRequireCall(parent, /*checkArgumentIsStringLiteralLike*/ true))
- throw ts.Debug.failBadSyntaxKind(parent);
- var decl = ts.cast(parent.parent, ts.isVariableDeclaration);
- return { statement: ts.cast(decl.parent.parent, ts.isVariableStatement), name: ts.cast(decl.name, ts.isIdentifier), required: parent.arguments[0] };
- }
- })(codefix = ts.codefix || (ts.codefix = {}));
-})(ts || (ts = {}));
-/* @internal */
-var ts;
-(function (ts) {
- var codefix;
- (function (codefix) {
- var fixId = "useDefaultImport";
- var errorCodes = [ts.Diagnostics.Import_may_be_converted_to_a_default_import.code];
- codefix.registerCodeFix({
- errorCodes: errorCodes,
- getCodeActions: function (context) {
- var sourceFile = context.sourceFile, start = context.span.start;
- var info = getInfo(sourceFile, start);
- if (!info)
- return undefined;
- var changes = ts.textChanges.ChangeTracker.with(context, function (t) { return doChange(t, sourceFile, info, context.preferences); });
- return [codefix.createCodeFixAction(fixId, changes, ts.Diagnostics.Convert_to_default_import, fixId, ts.Diagnostics.Convert_all_to_default_imports)];
- },
- fixIds: [fixId],
- getAllCodeActions: function (context) { return codefix.codeFixAll(context, errorCodes, function (changes, diag) {
- var info = getInfo(diag.file, diag.start);
- if (info)
- doChange(changes, diag.file, info, context.preferences);
- }); },
- });
- function getInfo(sourceFile, pos) {
- var name = ts.getTokenAtPosition(sourceFile, pos);
- if (!ts.isIdentifier(name))
- return undefined; // bad input
- var parent = name.parent;
- if (ts.isImportEqualsDeclaration(parent) && ts.isExternalModuleReference(parent.moduleReference)) {
- return { importNode: parent, name: name, moduleSpecifier: parent.moduleReference.expression };
- }
- else if (ts.isNamespaceImport(parent)) {
- var importNode = parent.parent.parent;
- return { importNode: importNode, name: name, moduleSpecifier: importNode.moduleSpecifier };
- }
- }
- function doChange(changes, sourceFile, info, preferences) {
- changes.replaceNode(sourceFile, info.importNode, ts.makeImport(info.name, /*namedImports*/ undefined, info.moduleSpecifier, ts.getQuotePreference(sourceFile, preferences)));
- }
- })(codefix = ts.codefix || (ts.codefix = {}));
-})(ts || (ts = {}));
-/* @internal */
-var ts;
-(function (ts) {
- var codefix;
- (function (codefix) {
- var fixId = "useBigintLiteral";
- var errorCodes = [
- ts.Diagnostics.Numeric_literals_with_absolute_values_equal_to_2_53_or_greater_are_too_large_to_be_represented_accurately_as_integers.code,
- ];
- codefix.registerCodeFix({
- errorCodes: errorCodes,
- getCodeActions: function (context) {
- var changes = ts.textChanges.ChangeTracker.with(context, function (t) { return makeChange(t, context.sourceFile, context.span); });
- if (changes.length > 0) {
- return [codefix.createCodeFixAction(fixId, changes, ts.Diagnostics.Convert_to_a_bigint_numeric_literal, fixId, ts.Diagnostics.Convert_all_to_bigint_numeric_literals)];
- }
- },
- fixIds: [fixId],
- getAllCodeActions: function (context) {
- return codefix.codeFixAll(context, errorCodes, function (changes, diag) { return makeChange(changes, diag.file, diag); });
- },
- });
- function makeChange(changeTracker, sourceFile, span) {
- var numericLiteral = ts.tryCast(ts.getTokenAtPosition(sourceFile, span.start), ts.isNumericLiteral);
- if (!numericLiteral) {
- return;
- }
- // We use .getText to overcome parser inaccuracies: https://github.com/microsoft/TypeScript/issues/33298
- var newText = numericLiteral.getText(sourceFile) + "n";
- changeTracker.replaceNode(sourceFile, numericLiteral, ts.createBigIntLiteral(newText));
- }
- })(codefix = ts.codefix || (ts.codefix = {}));
-})(ts || (ts = {}));
-/* @internal */
-var ts;
-(function (ts) {
- var codefix;
- (function (codefix) {
- var fixIdAddMissingTypeof = "fixAddModuleReferTypeMissingTypeof";
- var fixId = fixIdAddMissingTypeof;
- var errorCodes = [ts.Diagnostics.Module_0_does_not_refer_to_a_type_but_is_used_as_a_type_here_Did_you_mean_typeof_import_0.code];
- codefix.registerCodeFix({
- errorCodes: errorCodes,
- getCodeActions: function (context) {
- var sourceFile = context.sourceFile, span = context.span;
- var importType = getImportTypeNode(sourceFile, span.start);
- var changes = ts.textChanges.ChangeTracker.with(context, function (t) { return doChange(t, sourceFile, importType); });
- return [codefix.createCodeFixAction(fixId, changes, ts.Diagnostics.Add_missing_typeof, fixId, ts.Diagnostics.Add_missing_typeof)];
- },
- fixIds: [fixId],
- getAllCodeActions: function (context) { return codefix.codeFixAll(context, errorCodes, function (changes, diag) {
- return doChange(changes, context.sourceFile, getImportTypeNode(diag.file, diag.start));
- }); },
- });
- function getImportTypeNode(sourceFile, pos) {
- var token = ts.getTokenAtPosition(sourceFile, pos);
- ts.Debug.assert(token.kind === 96 /* ImportKeyword */, "This token should be an ImportKeyword");
- ts.Debug.assert(token.parent.kind === 188 /* ImportType */, "Token parent should be an ImportType");
- return token.parent;
- }
- function doChange(changes, sourceFile, importType) {
- var newTypeNode = ts.updateImportTypeNode(importType, importType.argument, importType.qualifier, importType.typeArguments, /* isTypeOf */ true);
- changes.replaceNode(sourceFile, importType, newTypeNode);
- }
- })(codefix = ts.codefix || (ts.codefix = {}));
-})(ts || (ts = {}));
-/* @internal */
-var ts;
-(function (ts) {
- var codefix;
- (function (codefix) {
- var fixIdAddMissingTypeof = "fixConvertToMappedObjectType";
- var fixId = fixIdAddMissingTypeof;
- var errorCodes = [ts.Diagnostics.An_index_signature_parameter_type_cannot_be_a_union_type_Consider_using_a_mapped_object_type_instead.code];
- codefix.registerCodeFix({
- errorCodes: errorCodes,
- getCodeActions: function (context) {
- var sourceFile = context.sourceFile, span = context.span;
- var info = getInfo(sourceFile, span.start);
- if (!info)
- return undefined;
- var changes = ts.textChanges.ChangeTracker.with(context, function (t) { return doChange(t, sourceFile, info); });
- var name = ts.idText(info.container.name);
- return [codefix.createCodeFixAction(fixId, changes, [ts.Diagnostics.Convert_0_to_mapped_object_type, name], fixId, [ts.Diagnostics.Convert_0_to_mapped_object_type, name])];
- },
- fixIds: [fixId],
- getAllCodeActions: function (context) { return codefix.codeFixAll(context, errorCodes, function (changes, diag) {
- var info = getInfo(diag.file, diag.start);
- if (info)
- doChange(changes, diag.file, info);
- }); }
- });
- function getInfo(sourceFile, pos) {
- var token = ts.getTokenAtPosition(sourceFile, pos);
- var indexSignature = ts.cast(token.parent.parent, ts.isIndexSignatureDeclaration);
- if (ts.isClassDeclaration(indexSignature.parent))
- return undefined;
- var container = ts.isInterfaceDeclaration(indexSignature.parent) ? indexSignature.parent : ts.cast(indexSignature.parent.parent, ts.isTypeAliasDeclaration);
- return { indexSignature: indexSignature, container: container };
- }
- function createTypeAliasFromInterface(declaration, type) {
- return ts.createTypeAliasDeclaration(declaration.decorators, declaration.modifiers, declaration.name, declaration.typeParameters, type);
- }
- function doChange(changes, sourceFile, _a) {
- var indexSignature = _a.indexSignature, container = _a.container;
- var members = ts.isInterfaceDeclaration(container) ? container.members : container.type.members;
- var otherMembers = members.filter(function (member) { return !ts.isIndexSignatureDeclaration(member); });
- var parameter = ts.first(indexSignature.parameters);
- var mappedTypeParameter = ts.createTypeParameterDeclaration(ts.cast(parameter.name, ts.isIdentifier), parameter.type);
- var mappedIntersectionType = ts.createMappedTypeNode(ts.hasReadonlyModifier(indexSignature) ? ts.createModifier(138 /* ReadonlyKeyword */) : undefined, mappedTypeParameter, indexSignature.questionToken, indexSignature.type);
- var intersectionType = ts.createIntersectionTypeNode(__spreadArrays(ts.getAllSuperTypeNodes(container), [
- mappedIntersectionType
- ], (otherMembers.length ? [ts.createTypeLiteralNode(otherMembers)] : ts.emptyArray)));
- changes.replaceNode(sourceFile, container, createTypeAliasFromInterface(container, intersectionType));
- }
- })(codefix = ts.codefix || (ts.codefix = {}));
-})(ts || (ts = {}));
-/* @internal */
-var ts;
-(function (ts) {
- var codefix;
- (function (codefix) {
- var fixId = "removeUnnecessaryAwait";
- var errorCodes = [
- ts.Diagnostics.await_has_no_effect_on_the_type_of_this_expression.code,
- ];
- codefix.registerCodeFix({
- errorCodes: errorCodes,
- getCodeActions: function (context) {
- var changes = ts.textChanges.ChangeTracker.with(context, function (t) { return makeChange(t, context.sourceFile, context.span); });
- if (changes.length > 0) {
- return [codefix.createCodeFixAction(fixId, changes, ts.Diagnostics.Remove_unnecessary_await, fixId, ts.Diagnostics.Remove_all_unnecessary_uses_of_await)];
- }
- },
- fixIds: [fixId],
- getAllCodeActions: function (context) {
- return codefix.codeFixAll(context, errorCodes, function (changes, diag) { return makeChange(changes, diag.file, diag); });
- },
- });
- function makeChange(changeTracker, sourceFile, span) {
- var awaitKeyword = ts.tryCast(ts.getTokenAtPosition(sourceFile, span.start), function (node) { return node.kind === 127 /* AwaitKeyword */; });
- var awaitExpression = awaitKeyword && ts.tryCast(awaitKeyword.parent, ts.isAwaitExpression);
- if (!awaitExpression) {
- return;
- }
- var expressionToReplace = awaitExpression;
- var hasSurroundingParens = ts.isParenthesizedExpression(awaitExpression.parent);
- if (hasSurroundingParens) {
- var leftMostExpression = ts.getLeftmostExpression(awaitExpression.expression, /*stopAtCallExpressions*/ false);
- if (ts.isIdentifier(leftMostExpression)) {
- var precedingToken = ts.findPrecedingToken(awaitExpression.parent.pos, sourceFile);
- if (precedingToken && precedingToken.kind !== 99 /* NewKeyword */) {
- expressionToReplace = awaitExpression.parent;
- }
- }
- }
- changeTracker.replaceNode(sourceFile, expressionToReplace, awaitExpression.expression);
- }
- })(codefix = ts.codefix || (ts.codefix = {}));
-})(ts || (ts = {}));
-/* @internal */
-var ts;
-(function (ts) {
- var codefix;
- (function (codefix) {
- var errorCodes = [ts.Diagnostics.A_type_only_import_can_specify_a_default_import_or_named_bindings_but_not_both.code];
- var fixId = "splitTypeOnlyImport";
- codefix.registerCodeFix({
- errorCodes: errorCodes,
- fixIds: [fixId],
- getCodeActions: function (context) {
- var changes = ts.textChanges.ChangeTracker.with(context, function (t) {
- return splitTypeOnlyImport(t, getImportDeclaration(context.sourceFile, context.span), context);
- });
- if (changes.length) {
- return [codefix.createCodeFixAction(fixId, changes, ts.Diagnostics.Split_into_two_separate_import_declarations, fixId, ts.Diagnostics.Split_all_invalid_type_only_imports)];
- }
- },
- getAllCodeActions: function (context) { return codefix.codeFixAll(context, errorCodes, function (changes, error) {
- splitTypeOnlyImport(changes, getImportDeclaration(context.sourceFile, error), context);
- }); },
- });
- function getImportDeclaration(sourceFile, span) {
- return ts.findAncestor(ts.getTokenAtPosition(sourceFile, span.start), ts.isImportDeclaration);
- }
- function splitTypeOnlyImport(changes, importDeclaration, context) {
- if (!importDeclaration) {
- return;
- }
- var importClause = ts.Debug.checkDefined(importDeclaration.importClause);
- changes.replaceNode(context.sourceFile, importDeclaration, ts.updateImportDeclaration(importDeclaration, importDeclaration.decorators, importDeclaration.modifiers, ts.updateImportClause(importClause, importClause.name, /*namedBindings*/ undefined, importClause.isTypeOnly), importDeclaration.moduleSpecifier));
- changes.insertNodeAfter(context.sourceFile, importDeclaration, ts.createImportDeclaration(
- /*decorators*/ undefined,
- /*modifiers*/ undefined, ts.updateImportClause(importClause, /*name*/ undefined, importClause.namedBindings, importClause.isTypeOnly), importDeclaration.moduleSpecifier));
- }
- })(codefix = ts.codefix || (ts.codefix = {}));
-})(ts || (ts = {}));
-/* @internal */
-var ts;
-(function (ts) {
- var codefix;
- (function (codefix) {
- var fixId = "fixConvertConstToLet";
- var errorCodes = [ts.Diagnostics.Cannot_assign_to_0_because_it_is_a_constant.code];
- codefix.registerCodeFix({
- errorCodes: errorCodes,
- getCodeActions: function (context) {
- var sourceFile = context.sourceFile, span = context.span, program = context.program;
- var variableStatement = getVariableStatement(sourceFile, span.start, program);
- var changes = ts.textChanges.ChangeTracker.with(context, function (t) { return doChange(t, sourceFile, variableStatement); });
- return [codefix.createCodeFixAction(fixId, changes, ts.Diagnostics.Convert_const_to_let, fixId, ts.Diagnostics.Convert_const_to_let)];
- },
- fixIds: [fixId]
- });
- function getVariableStatement(sourceFile, pos, program) {
- var token = ts.getTokenAtPosition(sourceFile, pos);
- var checker = program.getTypeChecker();
- var symbol = checker.getSymbolAtLocation(token);
- if (symbol) {
- return symbol.valueDeclaration.parent.parent;
- }
- }
- function doChange(changes, sourceFile, variableStatement) {
- if (!variableStatement) {
- return;
- }
- var start = variableStatement.getStart();
- changes.replaceRangeWithText(sourceFile, { pos: start, end: start + 5 }, "let");
- }
- })(codefix = ts.codefix || (ts.codefix = {}));
-})(ts || (ts = {}));
-/* @internal */
-var ts;
-(function (ts) {
- var codefix;
- (function (codefix) {
- var fixId = "fixExpectedComma";
- var expectedErrorCode = ts.Diagnostics._0_expected.code;
- var errorCodes = [expectedErrorCode];
- codefix.registerCodeFix({
- errorCodes: errorCodes,
- getCodeActions: function (context) {
- var sourceFile = context.sourceFile;
- var info = getInfo(sourceFile, context.span.start, context.errorCode);
- if (!info) {
- return undefined;
- }
- var changes = ts.textChanges.ChangeTracker.with(context, function (t) { return doChange(t, sourceFile, info); });
- return [codefix.createCodeFixAction(fixId, changes, [ts.Diagnostics.Change_0_to_1, ";", ","], fixId, [ts.Diagnostics.Change_0_to_1, ";", ","])];
- },
- fixIds: [fixId],
- getAllCodeActions: function (context) { return codefix.codeFixAll(context, errorCodes, function (changes, diag) {
- var info = getInfo(diag.file, diag.start, diag.code);
- if (info)
- doChange(changes, context.sourceFile, info);
- }); },
- });
- function getInfo(sourceFile, pos, _) {
- var node = ts.getTokenAtPosition(sourceFile, pos);
- return (node.kind === 26 /* SemicolonToken */ &&
- node.parent &&
- (ts.isObjectLiteralExpression(node.parent) ||
- ts.isArrayLiteralExpression(node.parent))) ? { node: node } : undefined;
- }
- function doChange(changes, sourceFile, _a) {
- var node = _a.node;
- var newNode = ts.createNode(27 /* CommaToken */);
- changes.replaceNode(sourceFile, node, newNode);
- }
- })(codefix = ts.codefix || (ts.codefix = {}));
-})(ts || (ts = {}));
-/* @internal */
-var ts;
-(function (ts) {
- var refactor;
- (function (refactor) {
- var refactorName = "Convert export";
- var actionNameDefaultToNamed = "Convert default export to named export";
- var actionNameNamedToDefault = "Convert named export to default export";
- refactor.registerRefactor(refactorName, {
- getAvailableActions: function (context) {
- var info = getInfo(context);
- if (!info)
- return ts.emptyArray;
- var description = info.wasDefault ? ts.Diagnostics.Convert_default_export_to_named_export.message : ts.Diagnostics.Convert_named_export_to_default_export.message;
- var actionName = info.wasDefault ? actionNameDefaultToNamed : actionNameNamedToDefault;
- return [{ name: refactorName, description: description, actions: [{ name: actionName, description: description }] }];
- },
- getEditsForAction: function (context, actionName) {
- ts.Debug.assert(actionName === actionNameDefaultToNamed || actionName === actionNameNamedToDefault, "Unexpected action name");
- var edits = ts.textChanges.ChangeTracker.with(context, function (t) { return doChange(context.file, context.program, ts.Debug.checkDefined(getInfo(context), "context must have info"), t, context.cancellationToken); });
- return { edits: edits, renameFilename: undefined, renameLocation: undefined };
- },
- });
- function getInfo(context) {
- var file = context.file;
- var span = ts.getRefactorContextSpan(context);
- var token = ts.getTokenAtPosition(file, span.start);
- var exportNode = ts.getParentNodeInSpan(token, file, span);
- if (!exportNode || (!ts.isSourceFile(exportNode.parent) && !(ts.isModuleBlock(exportNode.parent) && ts.isAmbientModule(exportNode.parent.parent)))) {
- return undefined;
- }
- var exportingModuleSymbol = ts.isSourceFile(exportNode.parent) ? exportNode.parent.symbol : exportNode.parent.parent.symbol;
- var flags = ts.getModifierFlags(exportNode);
- var wasDefault = !!(flags & 512 /* Default */);
- // If source file already has a default export, don't offer refactor.
- if (!(flags & 1 /* Export */) || !wasDefault && exportingModuleSymbol.exports.has("default" /* Default */)) {
- return undefined;
- }
- switch (exportNode.kind) {
- case 244 /* FunctionDeclaration */:
- case 245 /* ClassDeclaration */:
- case 246 /* InterfaceDeclaration */:
- case 248 /* EnumDeclaration */:
- case 247 /* TypeAliasDeclaration */:
- case 249 /* ModuleDeclaration */: {
- var node = exportNode;
- return node.name && ts.isIdentifier(node.name) ? { exportNode: node, exportName: node.name, wasDefault: wasDefault, exportingModuleSymbol: exportingModuleSymbol } : undefined;
- }
- case 225 /* VariableStatement */: {
- var vs = exportNode;
- // Must be `export const x = something;`.
- if (!(vs.declarationList.flags & 2 /* Const */) || vs.declarationList.declarations.length !== 1) {
- return undefined;
- }
- var decl = ts.first(vs.declarationList.declarations);
- if (!decl.initializer)
- return undefined;
- ts.Debug.assert(!wasDefault, "Can't have a default flag here");
- return ts.isIdentifier(decl.name) ? { exportNode: vs, exportName: decl.name, wasDefault: wasDefault, exportingModuleSymbol: exportingModuleSymbol } : undefined;
- }
- default:
- return undefined;
- }
- }
- function doChange(exportingSourceFile, program, info, changes, cancellationToken) {
- changeExport(exportingSourceFile, info, changes, program.getTypeChecker());
- changeImports(program, info, changes, cancellationToken);
- }
- function changeExport(exportingSourceFile, _a, changes, checker) {
- var wasDefault = _a.wasDefault, exportNode = _a.exportNode, exportName = _a.exportName;
- if (wasDefault) {
- changes.delete(exportingSourceFile, ts.Debug.checkDefined(ts.findModifier(exportNode, 84 /* DefaultKeyword */), "Should find a default keyword in modifier list"));
- }
- else {
- var exportKeyword = ts.Debug.checkDefined(ts.findModifier(exportNode, 89 /* ExportKeyword */), "Should find an export keyword in modifier list");
- switch (exportNode.kind) {
- case 244 /* FunctionDeclaration */:
- case 245 /* ClassDeclaration */:
- case 246 /* InterfaceDeclaration */:
- changes.insertNodeAfter(exportingSourceFile, exportKeyword, ts.createToken(84 /* DefaultKeyword */));
- break;
- case 225 /* VariableStatement */:
- // If 'x' isn't used in this file, `export const x = 0;` --> `export default 0;`
- if (!ts.FindAllReferences.Core.isSymbolReferencedInFile(exportName, checker, exportingSourceFile)) {
- // We checked in `getInfo` that an initializer exists.
- changes.replaceNode(exportingSourceFile, exportNode, ts.createExportDefault(ts.Debug.checkDefined(ts.first(exportNode.declarationList.declarations).initializer, "Initializer was previously known to be present")));
- break;
- }
- // falls through
- case 248 /* EnumDeclaration */:
- case 247 /* TypeAliasDeclaration */:
- case 249 /* ModuleDeclaration */:
- // `export type T = number;` -> `type T = number; export default T;`
- changes.deleteModifier(exportingSourceFile, exportKeyword);
- changes.insertNodeAfter(exportingSourceFile, exportNode, ts.createExportDefault(ts.createIdentifier(exportName.text)));
- break;
- default:
- ts.Debug.assertNever(exportNode, "Unexpected exportNode kind " + exportNode.kind);
- }
- }
- }
- function changeImports(program, _a, changes, cancellationToken) {
- var wasDefault = _a.wasDefault, exportName = _a.exportName, exportingModuleSymbol = _a.exportingModuleSymbol;
- var checker = program.getTypeChecker();
- var exportSymbol = ts.Debug.checkDefined(checker.getSymbolAtLocation(exportName), "Export name should resolve to a symbol");
- ts.FindAllReferences.Core.eachExportReference(program.getSourceFiles(), checker, cancellationToken, exportSymbol, exportingModuleSymbol, exportName.text, wasDefault, function (ref) {
- var importingSourceFile = ref.getSourceFile();
- if (wasDefault) {
- changeDefaultToNamedImport(importingSourceFile, ref, changes, exportName.text);
- }
- else {
- changeNamedToDefaultImport(importingSourceFile, ref, changes);
- }
- });
- }
- function changeDefaultToNamedImport(importingSourceFile, ref, changes, exportName) {
- var parent = ref.parent;
- switch (parent.kind) {
- case 194 /* PropertyAccessExpression */:
- // `a.default` --> `a.foo`
- changes.replaceNode(importingSourceFile, ref, ts.createIdentifier(exportName));
- break;
- case 258 /* ImportSpecifier */:
- case 263 /* ExportSpecifier */: {
- var spec = parent;
- // `default as foo` --> `foo`, `default as bar` --> `foo as bar`
- changes.replaceNode(importingSourceFile, spec, makeImportSpecifier(exportName, spec.name.text));
- break;
- }
- case 255 /* ImportClause */: {
- var clause = parent;
- ts.Debug.assert(clause.name === ref, "Import clause name should match provided ref");
- var spec = makeImportSpecifier(exportName, ref.text);
- var namedBindings = clause.namedBindings;
- if (!namedBindings) {
- // `import foo from "./a";` --> `import { foo } from "./a";`
- changes.replaceNode(importingSourceFile, ref, ts.createNamedImports([spec]));
- }
- else if (namedBindings.kind === 256 /* NamespaceImport */) {
- // `import foo, * as a from "./a";` --> `import * as a from ".a/"; import { foo } from "./a";`
- changes.deleteRange(importingSourceFile, { pos: ref.getStart(importingSourceFile), end: namedBindings.getStart(importingSourceFile) });
- var quotePreference = ts.isStringLiteral(clause.parent.moduleSpecifier) ? ts.quotePreferenceFromString(clause.parent.moduleSpecifier, importingSourceFile) : 1 /* Double */;
- var newImport = ts.makeImport(/*default*/ undefined, [makeImportSpecifier(exportName, ref.text)], clause.parent.moduleSpecifier, quotePreference);
- changes.insertNodeAfter(importingSourceFile, clause.parent, newImport);
- }
- else {
- // `import foo, { bar } from "./a"` --> `import { bar, foo } from "./a";`
- changes.delete(importingSourceFile, ref);
- changes.insertNodeAtEndOfList(importingSourceFile, namedBindings.elements, spec);
- }
- break;
- }
- default:
- ts.Debug.failBadSyntaxKind(parent);
- }
- }
- function changeNamedToDefaultImport(importingSourceFile, ref, changes) {
- var parent = ref.parent;
- switch (parent.kind) {
- case 194 /* PropertyAccessExpression */:
- // `a.foo` --> `a.default`
- changes.replaceNode(importingSourceFile, ref, ts.createIdentifier("default"));
- break;
- case 258 /* ImportSpecifier */: {
- // `import { foo } from "./a";` --> `import foo from "./a";`
- // `import { foo as bar } from "./a";` --> `import bar from "./a";`
- var defaultImport = ts.createIdentifier(parent.name.text);
- if (parent.parent.elements.length === 1) {
- changes.replaceNode(importingSourceFile, parent.parent, defaultImport);
- }
- else {
- changes.delete(importingSourceFile, parent);
- changes.insertNodeBefore(importingSourceFile, parent.parent, defaultImport);
- }
- break;
- }
- case 263 /* ExportSpecifier */: {
- // `export { foo } from "./a";` --> `export { default as foo } from "./a";`
- // `export { foo as bar } from "./a";` --> `export { default as bar } from "./a";`
- // `export { foo as default } from "./a";` --> `export { default } from "./a";`
- // (Because `export foo from "./a";` isn't valid syntax.)
- changes.replaceNode(importingSourceFile, parent, makeExportSpecifier("default", parent.name.text));
- break;
- }
- default:
- ts.Debug.assertNever(parent, "Unexpected parent kind " + parent.kind);
- }
- }
- function makeImportSpecifier(propertyName, name) {
- return ts.createImportSpecifier(propertyName === name ? undefined : ts.createIdentifier(propertyName), ts.createIdentifier(name));
- }
- function makeExportSpecifier(propertyName, name) {
- return ts.createExportSpecifier(propertyName === name ? undefined : ts.createIdentifier(propertyName), ts.createIdentifier(name));
- }
- })(refactor = ts.refactor || (ts.refactor = {}));
-})(ts || (ts = {}));
-/* @internal */
-var ts;
-(function (ts) {
- var refactor;
- (function (refactor) {
- var refactorName = "Convert import";
- var actionNameNamespaceToNamed = "Convert namespace import to named imports";
- var actionNameNamedToNamespace = "Convert named imports to namespace import";
- refactor.registerRefactor(refactorName, {
- getAvailableActions: function (context) {
- var i = getImportToConvert(context);
- if (!i)
- return ts.emptyArray;
- var description = i.kind === 256 /* NamespaceImport */ ? ts.Diagnostics.Convert_namespace_import_to_named_imports.message : ts.Diagnostics.Convert_named_imports_to_namespace_import.message;
- var actionName = i.kind === 256 /* NamespaceImport */ ? actionNameNamespaceToNamed : actionNameNamedToNamespace;
- return [{ name: refactorName, description: description, actions: [{ name: actionName, description: description }] }];
- },
- getEditsForAction: function (context, actionName) {
- ts.Debug.assert(actionName === actionNameNamespaceToNamed || actionName === actionNameNamedToNamespace, "Unexpected action name");
- var edits = ts.textChanges.ChangeTracker.with(context, function (t) { return doChange(context.file, context.program, t, ts.Debug.checkDefined(getImportToConvert(context), "Context must provide an import to convert")); });
- return { edits: edits, renameFilename: undefined, renameLocation: undefined };
- }
- });
- // Can convert imports of the form `import * as m from "m";` or `import d, { x, y } from "m";`.
- function getImportToConvert(context) {
- var file = context.file;
- var span = ts.getRefactorContextSpan(context);
- var token = ts.getTokenAtPosition(file, span.start);
- var importDecl = ts.getParentNodeInSpan(token, file, span);
- if (!importDecl || !ts.isImportDeclaration(importDecl))
- return undefined;
- var importClause = importDecl.importClause;
- return importClause && importClause.namedBindings;
- }
- function doChange(sourceFile, program, changes, toConvert) {
- var checker = program.getTypeChecker();
- if (toConvert.kind === 256 /* NamespaceImport */) {
- doChangeNamespaceToNamed(sourceFile, checker, changes, toConvert, ts.getAllowSyntheticDefaultImports(program.getCompilerOptions()));
- }
- else {
- doChangeNamedToNamespace(sourceFile, checker, changes, toConvert);
- }
- }
- function doChangeNamespaceToNamed(sourceFile, checker, changes, toConvert, allowSyntheticDefaultImports) {
- var usedAsNamespaceOrDefault = false;
- var nodesToReplace = [];
- var conflictingNames = ts.createMap();
- ts.FindAllReferences.Core.eachSymbolReferenceInFile(toConvert.name, checker, sourceFile, function (id) {
- if (!ts.isPropertyAccessExpression(id.parent)) {
- usedAsNamespaceOrDefault = true;
- }
- else {
- var parent = ts.cast(id.parent, ts.isPropertyAccessExpression);
- var exportName = parent.name.text;
- if (checker.resolveName(exportName, id, 67108863 /* All */, /*excludeGlobals*/ true)) {
- conflictingNames.set(exportName, true);
- }
- ts.Debug.assert(parent.expression === id, "Parent expression should match id");
- nodesToReplace.push(parent);
- }
- });
- // We may need to change `mod.x` to `_x` to avoid a name conflict.
- var exportNameToImportName = ts.createMap();
- for (var _i = 0, nodesToReplace_1 = nodesToReplace; _i < nodesToReplace_1.length; _i++) {
- var propertyAccess = nodesToReplace_1[_i];
- var exportName = propertyAccess.name.text;
- var importName = exportNameToImportName.get(exportName);
- if (importName === undefined) {
- exportNameToImportName.set(exportName, importName = conflictingNames.has(exportName) ? ts.getUniqueName(exportName, sourceFile) : exportName);
- }
- changes.replaceNode(sourceFile, propertyAccess, ts.createIdentifier(importName));
- }
- var importSpecifiers = [];
- exportNameToImportName.forEach(function (name, propertyName) {
- importSpecifiers.push(ts.createImportSpecifier(name === propertyName ? undefined : ts.createIdentifier(propertyName), ts.createIdentifier(name)));
- });
- var importDecl = toConvert.parent.parent;
- if (usedAsNamespaceOrDefault && !allowSyntheticDefaultImports) {
- // Need to leave the namespace import alone
- changes.insertNodeAfter(sourceFile, importDecl, updateImport(importDecl, /*defaultImportName*/ undefined, importSpecifiers));
- }
- else {
- changes.replaceNode(sourceFile, importDecl, updateImport(importDecl, usedAsNamespaceOrDefault ? ts.createIdentifier(toConvert.name.text) : undefined, importSpecifiers));
- }
- }
- function doChangeNamedToNamespace(sourceFile, checker, changes, toConvert) {
- var importDecl = toConvert.parent.parent;
- var moduleSpecifier = importDecl.moduleSpecifier;
- var preferredName = moduleSpecifier && ts.isStringLiteral(moduleSpecifier) ? ts.codefix.moduleSpecifierToValidIdentifier(moduleSpecifier.text, 99 /* ESNext */) : "module";
- var namespaceNameConflicts = toConvert.elements.some(function (element) {
- return ts.FindAllReferences.Core.eachSymbolReferenceInFile(element.name, checker, sourceFile, function (id) {
- return !!checker.resolveName(preferredName, id, 67108863 /* All */, /*excludeGlobals*/ true);
- }) || false;
- });
- var namespaceImportName = namespaceNameConflicts ? ts.getUniqueName(preferredName, sourceFile) : preferredName;
- var neededNamedImports = [];
- var _loop_15 = function (element) {
- var propertyName = (element.propertyName || element.name).text;
- ts.FindAllReferences.Core.eachSymbolReferenceInFile(element.name, checker, sourceFile, function (id) {
- var access = ts.createPropertyAccess(ts.createIdentifier(namespaceImportName), propertyName);
- if (ts.isShorthandPropertyAssignment(id.parent)) {
- changes.replaceNode(sourceFile, id.parent, ts.createPropertyAssignment(id.text, access));
- }
- else if (ts.isExportSpecifier(id.parent) && !id.parent.propertyName) {
- if (!neededNamedImports.some(function (n) { return n.name === element.name; })) {
- neededNamedImports.push(ts.createImportSpecifier(element.propertyName && ts.createIdentifier(element.propertyName.text), ts.createIdentifier(element.name.text)));
- }
- }
- else {
- changes.replaceNode(sourceFile, id, access);
- }
- });
- };
- for (var _i = 0, _a = toConvert.elements; _i < _a.length; _i++) {
- var element = _a[_i];
- _loop_15(element);
- }
- changes.replaceNode(sourceFile, toConvert, ts.createNamespaceImport(ts.createIdentifier(namespaceImportName)));
- if (neededNamedImports.length) {
- changes.insertNodeAfter(sourceFile, toConvert.parent.parent, updateImport(importDecl, /*defaultImportName*/ undefined, neededNamedImports));
- }
- }
- function updateImport(old, defaultImportName, elements) {
- return ts.createImportDeclaration(/*decorators*/ undefined, /*modifiers*/ undefined, ts.createImportClause(defaultImportName, elements && elements.length ? ts.createNamedImports(elements) : undefined), old.moduleSpecifier);
- }
- })(refactor = ts.refactor || (ts.refactor = {}));
-})(ts || (ts = {}));
-/* @internal */
-var ts;
-(function (ts) {
- var refactor;
- (function (refactor) {
- var extractSymbol;
- (function (extractSymbol) {
- var refactorName = "Extract Symbol";
- refactor.registerRefactor(refactorName, { getAvailableActions: getAvailableActions, getEditsForAction: getEditsForAction });
- /**
- * Compute the associated code actions
- * Exported for tests.
- */
- function getAvailableActions(context) {
- var rangeToExtract = getRangeToExtract(context.file, ts.getRefactorContextSpan(context));
- var targetRange = rangeToExtract.targetRange;
- if (targetRange === undefined) {
- return ts.emptyArray;
- }
- var extractions = getPossibleExtractions(targetRange, context);
- if (extractions === undefined) {
- // No extractions possible
- return ts.emptyArray;
- }
- var functionActions = [];
- var usedFunctionNames = ts.createMap();
- var constantActions = [];
- var usedConstantNames = ts.createMap();
- var i = 0;
- for (var _i = 0, extractions_1 = extractions; _i < extractions_1.length; _i++) {
- var _a = extractions_1[_i], functionExtraction = _a.functionExtraction, constantExtraction = _a.constantExtraction;
- // Skip these since we don't have a way to report errors yet
- if (functionExtraction.errors.length === 0) {
- // Don't issue refactorings with duplicated names.
- // Scopes come back in "innermost first" order, so extractions will
- // preferentially go into nearer scopes
- var description = functionExtraction.description;
- if (!usedFunctionNames.has(description)) {
- usedFunctionNames.set(description, true);
- functionActions.push({
- description: description,
- name: "function_scope_" + i
- });
- }
- }
- // Skip these since we don't have a way to report errors yet
- if (constantExtraction.errors.length === 0) {
- // Don't issue refactorings with duplicated names.
- // Scopes come back in "innermost first" order, so extractions will
- // preferentially go into nearer scopes
- var description = constantExtraction.description;
- if (!usedConstantNames.has(description)) {
- usedConstantNames.set(description, true);
- constantActions.push({
- description: description,
- name: "constant_scope_" + i
- });
- }
- }
- // *do* increment i anyway because we'll look for the i-th scope
- // later when actually doing the refactoring if the user requests it
- i++;
- }
- var infos = [];
- if (constantActions.length) {
- infos.push({
- name: refactorName,
- description: ts.getLocaleSpecificMessage(ts.Diagnostics.Extract_constant),
- actions: constantActions
- });
- }
- if (functionActions.length) {
- infos.push({
- name: refactorName,
- description: ts.getLocaleSpecificMessage(ts.Diagnostics.Extract_function),
- actions: functionActions
- });
- }
- return infos.length ? infos : ts.emptyArray;
- }
- extractSymbol.getAvailableActions = getAvailableActions;
- /* Exported for tests */
- function getEditsForAction(context, actionName) {
- var rangeToExtract = getRangeToExtract(context.file, ts.getRefactorContextSpan(context));
- var targetRange = rangeToExtract.targetRange; // TODO:GH#18217
- var parsedFunctionIndexMatch = /^function_scope_(\d+)$/.exec(actionName);
- if (parsedFunctionIndexMatch) {
- var index = +parsedFunctionIndexMatch[1];
- ts.Debug.assert(isFinite(index), "Expected to parse a finite number from the function scope index");
- return getFunctionExtractionAtIndex(targetRange, context, index);
- }
- var parsedConstantIndexMatch = /^constant_scope_(\d+)$/.exec(actionName);
- if (parsedConstantIndexMatch) {
- var index = +parsedConstantIndexMatch[1];
- ts.Debug.assert(isFinite(index), "Expected to parse a finite number from the constant scope index");
- return getConstantExtractionAtIndex(targetRange, context, index);
- }
- ts.Debug.fail("Unrecognized action name");
- }
- extractSymbol.getEditsForAction = getEditsForAction;
- // Move these into diagnostic messages if they become user-facing
- var Messages;
- (function (Messages) {
- function createMessage(message) {
- return { message: message, code: 0, category: ts.DiagnosticCategory.Message, key: message };
- }
- Messages.cannotExtractRange = createMessage("Cannot extract range.");
- Messages.cannotExtractImport = createMessage("Cannot extract import statement.");
- Messages.cannotExtractSuper = createMessage("Cannot extract super call.");
- Messages.cannotExtractJSDoc = createMessage("Cannot extract JSDoc.");
- Messages.cannotExtractEmpty = createMessage("Cannot extract empty range.");
- Messages.expressionExpected = createMessage("expression expected.");
- Messages.uselessConstantType = createMessage("No reason to extract constant of type.");
- Messages.statementOrExpressionExpected = createMessage("Statement or expression expected.");
- Messages.cannotExtractRangeContainingConditionalBreakOrContinueStatements = createMessage("Cannot extract range containing conditional break or continue statements.");
- Messages.cannotExtractRangeContainingConditionalReturnStatement = createMessage("Cannot extract range containing conditional return statement.");
- Messages.cannotExtractRangeContainingLabeledBreakOrContinueStatementWithTargetOutsideOfTheRange = createMessage("Cannot extract range containing labeled break or continue with target outside of the range.");
- Messages.cannotExtractRangeThatContainsWritesToReferencesLocatedOutsideOfTheTargetRangeInGenerators = createMessage("Cannot extract range containing writes to references located outside of the target range in generators.");
- Messages.typeWillNotBeVisibleInTheNewScope = createMessage("Type will not visible in the new scope.");
- Messages.functionWillNotBeVisibleInTheNewScope = createMessage("Function will not visible in the new scope.");
- Messages.cannotExtractIdentifier = createMessage("Select more than a single identifier.");
- Messages.cannotExtractExportedEntity = createMessage("Cannot extract exported declaration");
- Messages.cannotWriteInExpression = createMessage("Cannot write back side-effects when extracting an expression");
- Messages.cannotExtractReadonlyPropertyInitializerOutsideConstructor = createMessage("Cannot move initialization of read-only class property outside of the constructor");
- Messages.cannotExtractAmbientBlock = createMessage("Cannot extract code from ambient contexts");
- Messages.cannotAccessVariablesFromNestedScopes = createMessage("Cannot access variables from nested scopes");
- Messages.cannotExtractToOtherFunctionLike = createMessage("Cannot extract method to a function-like scope that is not a function");
- Messages.cannotExtractToJSClass = createMessage("Cannot extract constant to a class scope in JS");
- Messages.cannotExtractToExpressionArrowFunction = createMessage("Cannot extract constant to an arrow function without a block");
- })(Messages = extractSymbol.Messages || (extractSymbol.Messages = {}));
- var RangeFacts;
- (function (RangeFacts) {
- RangeFacts[RangeFacts["None"] = 0] = "None";
- RangeFacts[RangeFacts["HasReturn"] = 1] = "HasReturn";
- RangeFacts[RangeFacts["IsGenerator"] = 2] = "IsGenerator";
- RangeFacts[RangeFacts["IsAsyncFunction"] = 4] = "IsAsyncFunction";
- RangeFacts[RangeFacts["UsesThis"] = 8] = "UsesThis";
- /**
- * The range is in a function which needs the 'static' modifier in a class
- */
- RangeFacts[RangeFacts["InStaticRegion"] = 16] = "InStaticRegion";
- })(RangeFacts || (RangeFacts = {}));
- /**
- * getRangeToExtract takes a span inside a text file and returns either an expression or an array
- * of statements representing the minimum set of nodes needed to extract the entire span. This
- * process may fail, in which case a set of errors is returned instead (these are currently
- * not shown to the user, but can be used by us diagnostically)
- */
- // exported only for tests
- function getRangeToExtract(sourceFile, span) {
- var length = span.length;
- if (length === 0) {
- return { errors: [ts.createFileDiagnostic(sourceFile, span.start, length, Messages.cannotExtractEmpty)] };
- }
- // Walk up starting from the the start position until we find a non-SourceFile node that subsumes the selected span.
- // This may fail (e.g. you select two statements in the root of a source file)
- var start = ts.getParentNodeInSpan(ts.getTokenAtPosition(sourceFile, span.start), sourceFile, span);
- // Do the same for the ending position
- var end = ts.getParentNodeInSpan(ts.findTokenOnLeftOfPosition(sourceFile, ts.textSpanEnd(span)), sourceFile, span);
- var declarations = [];
- // We'll modify these flags as we walk the tree to collect data
- // about what things need to be done as part of the extraction.
- var rangeFacts = RangeFacts.None;
- if (!start || !end) {
- // cannot find either start or end node
- return { errors: [ts.createFileDiagnostic(sourceFile, span.start, length, Messages.cannotExtractRange)] };
- }
- if (start.parent !== end.parent) {
- // start and end nodes belong to different subtrees
- return { errors: [ts.createFileDiagnostic(sourceFile, span.start, length, Messages.cannotExtractRange)] };
- }
- if (start !== end) {
- // start and end should be statements and parent should be either block or a source file
- if (!isBlockLike(start.parent)) {
- return { errors: [ts.createFileDiagnostic(sourceFile, span.start, length, Messages.cannotExtractRange)] };
- }
- var statements = [];
- var start2 = start; // TODO: GH#18217 Need to alias `start` to get this to compile. See https://github.com/Microsoft/TypeScript/issues/19955#issuecomment-344118248
- for (var _i = 0, _a = start2.parent.statements; _i < _a.length; _i++) {
- var statement = _a[_i];
- if (statement === start || statements.length) {
- var errors_1 = checkNode(statement);
- if (errors_1) {
- return { errors: errors_1 };
- }
- statements.push(statement);
- }
- if (statement === end) {
- break;
- }
- }
- if (!statements.length) {
- // https://github.com/Microsoft/TypeScript/issues/20559
- // Ranges like [|case 1: break;|] will fail to populate `statements` because
- // they will never find `start` in `start.parent.statements`.
- // Consider: We could support ranges like [|case 1:|] by refining them to just
- // the expression.
- return { errors: [ts.createFileDiagnostic(sourceFile, span.start, length, Messages.cannotExtractRange)] };
- }
- return { targetRange: { range: statements, facts: rangeFacts, declarations: declarations } };
- }
- if (ts.isJSDoc(start)) {
- return { errors: [ts.createFileDiagnostic(sourceFile, span.start, length, Messages.cannotExtractJSDoc)] };
- }
- if (ts.isReturnStatement(start) && !start.expression) {
- // Makes no sense to extract an expression-less return statement.
- return { errors: [ts.createFileDiagnostic(sourceFile, span.start, length, Messages.cannotExtractRange)] };
- }
- // We have a single node (start)
- var node = refineNode(start);
- var errors = checkRootNode(node) || checkNode(node);
- if (errors) {
- return { errors: errors };
- }
- return { targetRange: { range: getStatementOrExpressionRange(node), facts: rangeFacts, declarations: declarations } }; // TODO: GH#18217
- /**
- * Attempt to refine the extraction node (generally, by shrinking it) to produce better results.
- * @param node The unrefined extraction node.
- */
- function refineNode(node) {
- if (ts.isReturnStatement(node)) {
- if (node.expression) {
- return node.expression;
- }
- }
- else if (ts.isVariableStatement(node)) {
- var numInitializers = 0;
- var lastInitializer = void 0;
- for (var _i = 0, _a = node.declarationList.declarations; _i < _a.length; _i++) {
- var declaration = _a[_i];
- if (declaration.initializer) {
- numInitializers++;
- lastInitializer = declaration.initializer;
- }
- }
- if (numInitializers === 1) {
- return lastInitializer;
- }
- // No special handling if there are multiple initializers.
- }
- else if (ts.isVariableDeclaration(node)) {
- if (node.initializer) {
- return node.initializer;
- }
- }
- return node;
- }
- function checkRootNode(node) {
- if (ts.isIdentifier(ts.isExpressionStatement(node) ? node.expression : node)) {
- return [ts.createDiagnosticForNode(node, Messages.cannotExtractIdentifier)];
- }
- return undefined;
- }
- function checkForStaticContext(nodeToCheck, containingClass) {
- var current = nodeToCheck;
- while (current !== containingClass) {
- if (current.kind === 159 /* PropertyDeclaration */) {
- if (ts.hasModifier(current, 32 /* Static */)) {
- rangeFacts |= RangeFacts.InStaticRegion;
- }
- break;
- }
- else if (current.kind === 156 /* Parameter */) {
- var ctorOrMethod = ts.getContainingFunction(current);
- if (ctorOrMethod.kind === 162 /* Constructor */) {
- rangeFacts |= RangeFacts.InStaticRegion;
- }
- break;
- }
- else if (current.kind === 161 /* MethodDeclaration */) {
- if (ts.hasModifier(current, 32 /* Static */)) {
- rangeFacts |= RangeFacts.InStaticRegion;
- }
- }
- current = current.parent;
- }
- }
- // Verifies whether we can actually extract this node or not.
- function checkNode(nodeToCheck) {
- var PermittedJumps;
- (function (PermittedJumps) {
- PermittedJumps[PermittedJumps["None"] = 0] = "None";
- PermittedJumps[PermittedJumps["Break"] = 1] = "Break";
- PermittedJumps[PermittedJumps["Continue"] = 2] = "Continue";
- PermittedJumps[PermittedJumps["Return"] = 4] = "Return";
- })(PermittedJumps || (PermittedJumps = {}));
- // We believe it's true because the node is from the (unmodified) tree.
- ts.Debug.assert(nodeToCheck.pos <= nodeToCheck.end, "This failure could trigger https://github.com/Microsoft/TypeScript/issues/20809 (1)");
- // For understanding how skipTrivia functioned:
- ts.Debug.assert(!ts.positionIsSynthesized(nodeToCheck.pos), "This failure could trigger https://github.com/Microsoft/TypeScript/issues/20809 (2)");
- if (!ts.isStatement(nodeToCheck) && !(ts.isExpressionNode(nodeToCheck) && isExtractableExpression(nodeToCheck))) {
- return [ts.createDiagnosticForNode(nodeToCheck, Messages.statementOrExpressionExpected)];
- }
- if (nodeToCheck.flags & 8388608 /* Ambient */) {
- return [ts.createDiagnosticForNode(nodeToCheck, Messages.cannotExtractAmbientBlock)];
- }
- // If we're in a class, see whether we're in a static region (static property initializer, static method, class constructor parameter default)
- var containingClass = ts.getContainingClass(nodeToCheck);
- if (containingClass) {
- checkForStaticContext(nodeToCheck, containingClass);
- }
- var errors;
- var permittedJumps = 4 /* Return */;
- var seenLabels;
- visit(nodeToCheck);
- return errors;
- function visit(node) {
- if (errors) {
- // already found an error - can stop now
- return true;
- }
- if (ts.isDeclaration(node)) {
- var declaringNode = (node.kind === 242 /* VariableDeclaration */) ? node.parent.parent : node;
- if (ts.hasModifier(declaringNode, 1 /* Export */)) {
- // TODO: GH#18217 Silly to use `errors ||` since it's definitely not defined (see top of `visit`)
- // Also, if we're only pushing one error, just use `let error: Diagnostic | undefined`!
- // Also TODO: GH#19956
- (errors || (errors = [])).push(ts.createDiagnosticForNode(node, Messages.cannotExtractExportedEntity));
- return true;
- }
- declarations.push(node.symbol);
- }
- // Some things can't be extracted in certain situations
- switch (node.kind) {
- case 254 /* ImportDeclaration */:
- (errors || (errors = [])).push(ts.createDiagnosticForNode(node, Messages.cannotExtractImport));
- return true;
- case 102 /* SuperKeyword */:
- // For a super *constructor call*, we have to be extracting the entire class,
- // but a super *method call* simply implies a 'this' reference
- if (node.parent.kind === 196 /* CallExpression */) {
- // Super constructor call
- var containingClass_1 = ts.getContainingClass(node); // TODO:GH#18217
- if (containingClass_1.pos < span.start || containingClass_1.end >= (span.start + span.length)) {
- (errors || (errors = [])).push(ts.createDiagnosticForNode(node, Messages.cannotExtractSuper));
- return true;
- }
- }
- else {
- rangeFacts |= RangeFacts.UsesThis;
- }
- break;
- }
- if (ts.isFunctionLikeDeclaration(node) || ts.isClassLike(node)) {
- switch (node.kind) {
- case 244 /* FunctionDeclaration */:
- case 245 /* ClassDeclaration */:
- if (ts.isSourceFile(node.parent) && node.parent.externalModuleIndicator === undefined) {
- // You cannot extract global declarations
- (errors || (errors = [])).push(ts.createDiagnosticForNode(node, Messages.functionWillNotBeVisibleInTheNewScope));
- }
- break;
- }
- // do not dive into functions or classes
- return false;
- }
- var savedPermittedJumps = permittedJumps;
- switch (node.kind) {
- case 227 /* IfStatement */:
- permittedJumps = 0 /* None */;
- break;
- case 240 /* TryStatement */:
- // forbid all jumps inside try blocks
- permittedJumps = 0 /* None */;
- break;
- case 223 /* Block */:
- if (node.parent && node.parent.kind === 240 /* TryStatement */ && node.parent.finallyBlock === node) {
- // allow unconditional returns from finally blocks
- permittedJumps = 4 /* Return */;
- }
- break;
- case 278 /* DefaultClause */:
- case 277 /* CaseClause */:
- // allow unlabeled break inside case clauses
- permittedJumps |= 1 /* Break */;
- break;
- default:
- if (ts.isIterationStatement(node, /*lookInLabeledStatements*/ false)) {
- // allow unlabeled break/continue inside loops
- permittedJumps |= 1 /* Break */ | 2 /* Continue */;
- }
- break;
- }
- switch (node.kind) {
- case 183 /* ThisType */:
- case 104 /* ThisKeyword */:
- rangeFacts |= RangeFacts.UsesThis;
- break;
- case 238 /* LabeledStatement */: {
- var label = node.label;
- (seenLabels || (seenLabels = [])).push(label.escapedText);
- ts.forEachChild(node, visit);
- seenLabels.pop();
- break;
- }
- case 234 /* BreakStatement */:
- case 233 /* ContinueStatement */: {
- var label = node.label;
- if (label) {
- if (!ts.contains(seenLabels, label.escapedText)) {
- // attempts to jump to label that is not in range to be extracted
- (errors || (errors = [])).push(ts.createDiagnosticForNode(node, Messages.cannotExtractRangeContainingLabeledBreakOrContinueStatementWithTargetOutsideOfTheRange));
- }
- }
- else {
- if (!(permittedJumps & (node.kind === 234 /* BreakStatement */ ? 1 /* Break */ : 2 /* Continue */))) {
- // attempt to break or continue in a forbidden context
- (errors || (errors = [])).push(ts.createDiagnosticForNode(node, Messages.cannotExtractRangeContainingConditionalBreakOrContinueStatements));
- }
- }
- break;
- }
- case 206 /* AwaitExpression */:
- rangeFacts |= RangeFacts.IsAsyncFunction;
- break;
- case 212 /* YieldExpression */:
- rangeFacts |= RangeFacts.IsGenerator;
- break;
- case 235 /* ReturnStatement */:
- if (permittedJumps & 4 /* Return */) {
- rangeFacts |= RangeFacts.HasReturn;
- }
- else {
- (errors || (errors = [])).push(ts.createDiagnosticForNode(node, Messages.cannotExtractRangeContainingConditionalReturnStatement));
- }
- break;
- default:
- ts.forEachChild(node, visit);
- break;
- }
- permittedJumps = savedPermittedJumps;
- }
- }
- }
- extractSymbol.getRangeToExtract = getRangeToExtract;
- function getStatementOrExpressionRange(node) {
- if (ts.isStatement(node)) {
- return [node];
- }
- else if (ts.isExpressionNode(node)) {
- // If our selection is the expression in an ExpressionStatement, expand
- // the selection to include the enclosing Statement (this stops us
- // from trying to care about the return value of the extracted function
- // and eliminates double semicolon insertion in certain scenarios)
- return ts.isExpressionStatement(node.parent) ? [node.parent] : node;
- }
- return undefined;
- }
- function isScope(node) {
- return ts.isFunctionLikeDeclaration(node) || ts.isSourceFile(node) || ts.isModuleBlock(node) || ts.isClassLike(node);
- }
- /**
- * Computes possible places we could extract the function into. For example,
- * you may be able to extract into a class method *or* local closure *or* namespace function,
- * depending on what's in the extracted body.
- */
- function collectEnclosingScopes(range) {
- var current = isReadonlyArray(range.range) ? ts.first(range.range) : range.range;
- if (range.facts & RangeFacts.UsesThis) {
- // if range uses this as keyword or as type inside the class then it can only be extracted to a method of the containing class
- var containingClass = ts.getContainingClass(current);
- if (containingClass) {
- var containingFunction = ts.findAncestor(current, ts.isFunctionLikeDeclaration);
- return containingFunction
- ? [containingFunction, containingClass]
- : [containingClass];
- }
- }
- var scopes = [];
- while (true) {
- current = current.parent;
- // A function parameter's initializer is actually in the outer scope, not the function declaration
- if (current.kind === 156 /* Parameter */) {
- // Skip all the way to the outer scope of the function that declared this parameter
- current = ts.findAncestor(current, function (parent) { return ts.isFunctionLikeDeclaration(parent); }).parent;
- }
- // We want to find the nearest parent where we can place an "equivalent" sibling to the node we're extracting out of.
- // Walk up to the closest parent of a place where we can logically put a sibling:
- // * Function declaration
- // * Class declaration or expression
- // * Module/namespace or source file
- if (isScope(current)) {
- scopes.push(current);
- if (current.kind === 290 /* SourceFile */) {
- return scopes;
- }
- }
- }
- }
- function getFunctionExtractionAtIndex(targetRange, context, requestedChangesIndex) {
- var _a = getPossibleExtractionsWorker(targetRange, context), scopes = _a.scopes, _b = _a.readsAndWrites, target = _b.target, usagesPerScope = _b.usagesPerScope, functionErrorsPerScope = _b.functionErrorsPerScope, exposedVariableDeclarations = _b.exposedVariableDeclarations;
- ts.Debug.assert(!functionErrorsPerScope[requestedChangesIndex].length, "The extraction went missing? How?");
- context.cancellationToken.throwIfCancellationRequested(); // TODO: GH#18217
- return extractFunctionInScope(target, scopes[requestedChangesIndex], usagesPerScope[requestedChangesIndex], exposedVariableDeclarations, targetRange, context);
- }
- function getConstantExtractionAtIndex(targetRange, context, requestedChangesIndex) {
- var _a = getPossibleExtractionsWorker(targetRange, context), scopes = _a.scopes, _b = _a.readsAndWrites, target = _b.target, usagesPerScope = _b.usagesPerScope, constantErrorsPerScope = _b.constantErrorsPerScope, exposedVariableDeclarations = _b.exposedVariableDeclarations;
- ts.Debug.assert(!constantErrorsPerScope[requestedChangesIndex].length, "The extraction went missing? How?");
- ts.Debug.assert(exposedVariableDeclarations.length === 0, "Extract constant accepted a range containing a variable declaration?");
- context.cancellationToken.throwIfCancellationRequested();
- var expression = ts.isExpression(target)
- ? target
- : target.statements[0].expression;
- return extractConstantInScope(expression, scopes[requestedChangesIndex], usagesPerScope[requestedChangesIndex], targetRange.facts, context);
- }
- /**
- * Given a piece of text to extract ('targetRange'), computes a list of possible extractions.
- * Each returned ExtractResultForScope corresponds to a possible target scope and is either a set of changes
- * or an error explaining why we can't extract into that scope.
- */
- function getPossibleExtractions(targetRange, context) {
- var _a = getPossibleExtractionsWorker(targetRange, context), scopes = _a.scopes, _b = _a.readsAndWrites, functionErrorsPerScope = _b.functionErrorsPerScope, constantErrorsPerScope = _b.constantErrorsPerScope;
- // Need the inner type annotation to avoid https://github.com/Microsoft/TypeScript/issues/7547
- var extractions = scopes.map(function (scope, i) {
- var functionDescriptionPart = getDescriptionForFunctionInScope(scope);
- var constantDescriptionPart = getDescriptionForConstantInScope(scope);
- var scopeDescription = ts.isFunctionLikeDeclaration(scope)
- ? getDescriptionForFunctionLikeDeclaration(scope)
- : ts.isClassLike(scope)
- ? getDescriptionForClassLikeDeclaration(scope)
- : getDescriptionForModuleLikeDeclaration(scope);
- var functionDescription;
- var constantDescription;
- if (scopeDescription === 1 /* Global */) {
- functionDescription = ts.formatStringFromArgs(ts.getLocaleSpecificMessage(ts.Diagnostics.Extract_to_0_in_1_scope), [functionDescriptionPart, "global"]);
- constantDescription = ts.formatStringFromArgs(ts.getLocaleSpecificMessage(ts.Diagnostics.Extract_to_0_in_1_scope), [constantDescriptionPart, "global"]);
- }
- else if (scopeDescription === 0 /* Module */) {
- functionDescription = ts.formatStringFromArgs(ts.getLocaleSpecificMessage(ts.Diagnostics.Extract_to_0_in_1_scope), [functionDescriptionPart, "module"]);
- constantDescription = ts.formatStringFromArgs(ts.getLocaleSpecificMessage(ts.Diagnostics.Extract_to_0_in_1_scope), [constantDescriptionPart, "module"]);
- }
- else {
- functionDescription = ts.formatStringFromArgs(ts.getLocaleSpecificMessage(ts.Diagnostics.Extract_to_0_in_1), [functionDescriptionPart, scopeDescription]);
- constantDescription = ts.formatStringFromArgs(ts.getLocaleSpecificMessage(ts.Diagnostics.Extract_to_0_in_1), [constantDescriptionPart, scopeDescription]);
- }
- // Customize the phrasing for the innermost scope to increase clarity.
- if (i === 0 && !ts.isClassLike(scope)) {
- constantDescription = ts.formatStringFromArgs(ts.getLocaleSpecificMessage(ts.Diagnostics.Extract_to_0_in_enclosing_scope), [constantDescriptionPart]);
- }
- return {
- functionExtraction: {
- description: functionDescription,
- errors: functionErrorsPerScope[i],
- },
- constantExtraction: {
- description: constantDescription,
- errors: constantErrorsPerScope[i],
- },
- };
- });
- return extractions;
- }
- function getPossibleExtractionsWorker(targetRange, context) {
- var sourceFile = context.file;
- var scopes = collectEnclosingScopes(targetRange);
- var enclosingTextRange = getEnclosingTextRange(targetRange, sourceFile);
- var readsAndWrites = collectReadsAndWrites(targetRange, scopes, enclosingTextRange, sourceFile, context.program.getTypeChecker(), context.cancellationToken);
- return { scopes: scopes, readsAndWrites: readsAndWrites };
- }
- function getDescriptionForFunctionInScope(scope) {
- return ts.isFunctionLikeDeclaration(scope)
- ? "inner function"
- : ts.isClassLike(scope)
- ? "method"
- : "function";
- }
- function getDescriptionForConstantInScope(scope) {
- return ts.isClassLike(scope)
- ? "readonly field"
- : "constant";
- }
- function getDescriptionForFunctionLikeDeclaration(scope) {
- switch (scope.kind) {
- case 162 /* Constructor */:
- return "constructor";
- case 201 /* FunctionExpression */:
- case 244 /* FunctionDeclaration */:
- return scope.name
- ? "function '" + scope.name.text + "'"
- : ts.ANONYMOUS;
- case 202 /* ArrowFunction */:
- return "arrow function";
- case 161 /* MethodDeclaration */:
- return "method '" + scope.name.getText() + "'";
- case 163 /* GetAccessor */:
- return "'get " + scope.name.getText() + "'";
- case 164 /* SetAccessor */:
- return "'set " + scope.name.getText() + "'";
- default:
- throw ts.Debug.assertNever(scope, "Unexpected scope kind " + scope.kind);
- }
- }
- function getDescriptionForClassLikeDeclaration(scope) {
- return scope.kind === 245 /* ClassDeclaration */
- ? scope.name ? "class '" + scope.name.text + "'" : "anonymous class declaration"
- : scope.name ? "class expression '" + scope.name.text + "'" : "anonymous class expression";
- }
- function getDescriptionForModuleLikeDeclaration(scope) {
- return scope.kind === 250 /* ModuleBlock */
- ? "namespace '" + scope.parent.name.getText() + "'"
- : scope.externalModuleIndicator ? 0 /* Module */ : 1 /* Global */;
- }
- var SpecialScope;
- (function (SpecialScope) {
- SpecialScope[SpecialScope["Module"] = 0] = "Module";
- SpecialScope[SpecialScope["Global"] = 1] = "Global";
- })(SpecialScope || (SpecialScope = {}));
- /**
- * Result of 'extractRange' operation for a specific scope.
- * Stores either a list of changes that should be applied to extract a range or a list of errors
- */
- function extractFunctionInScope(node, scope, _a, exposedVariableDeclarations, range, context) {
- var usagesInScope = _a.usages, typeParameterUsages = _a.typeParameterUsages, substitutions = _a.substitutions;
- var checker = context.program.getTypeChecker();
- var scriptTarget = ts.getEmitScriptTarget(context.program.getCompilerOptions());
- var importAdder = ts.codefix.createImportAdder(context.file, context.program, context.preferences, context.host);
- // Make a unique name for the extracted function
- var file = scope.getSourceFile();
- var functionNameText = ts.getUniqueName(ts.isClassLike(scope) ? "newMethod" : "newFunction", file);
- var isJS = ts.isInJSFile(scope);
- var functionName = ts.createIdentifier(functionNameText);
- var returnType;
- var parameters = [];
- var callArguments = [];
- var writes;
- usagesInScope.forEach(function (usage, name) {
- var typeNode;
- if (!isJS) {
- var type = checker.getTypeOfSymbolAtLocation(usage.symbol, usage.node);
- // Widen the type so we don't emit nonsense annotations like "function fn(x: 3) {"
- type = checker.getBaseTypeOfLiteralType(type);
- typeNode = ts.codefix.typeToAutoImportableTypeNode(checker, importAdder, type, scope, scriptTarget, 1 /* NoTruncation */);
- }
- var paramDecl = ts.createParameter(
- /*decorators*/ undefined,
- /*modifiers*/ undefined,
- /*dotDotDotToken*/ undefined,
- /*name*/ name,
- /*questionToken*/ undefined, typeNode);
- parameters.push(paramDecl);
- if (usage.usage === 2 /* Write */) {
- (writes || (writes = [])).push(usage);
- }
- callArguments.push(ts.createIdentifier(name));
- });
- var typeParametersAndDeclarations = ts.arrayFrom(typeParameterUsages.values()).map(function (type) { return ({ type: type, declaration: getFirstDeclaration(type) }); });
- var sortedTypeParametersAndDeclarations = typeParametersAndDeclarations.sort(compareTypesByDeclarationOrder);
- var typeParameters = sortedTypeParametersAndDeclarations.length === 0
- ? undefined
- : sortedTypeParametersAndDeclarations.map(function (t) { return t.declaration; });
- // Strictly speaking, we should check whether each name actually binds to the appropriate type
- // parameter. In cases of shadowing, they may not.
- var callTypeArguments = typeParameters !== undefined
- ? typeParameters.map(function (decl) { return ts.createTypeReferenceNode(decl.name, /*typeArguments*/ undefined); })
- : undefined;
- // Provide explicit return types for contextually-typed functions
- // to avoid problems when there are literal types present
- if (ts.isExpression(node) && !isJS) {
- var contextualType = checker.getContextualType(node);
- returnType = checker.typeToTypeNode(contextualType, scope, 1 /* NoTruncation */); // TODO: GH#18217
- }
- var _b = transformFunctionBody(node, exposedVariableDeclarations, writes, substitutions, !!(range.facts & RangeFacts.HasReturn)), body = _b.body, returnValueProperty = _b.returnValueProperty;
- ts.suppressLeadingAndTrailingTrivia(body);
- var newFunction;
- if (ts.isClassLike(scope)) {
- // always create private method in TypeScript files
- var modifiers = isJS ? [] : [ts.createToken(117 /* PrivateKeyword */)];
- if (range.facts & RangeFacts.InStaticRegion) {
- modifiers.push(ts.createToken(120 /* StaticKeyword */));
- }
- if (range.facts & RangeFacts.IsAsyncFunction) {
- modifiers.push(ts.createToken(126 /* AsyncKeyword */));
- }
- newFunction = ts.createMethod(
- /*decorators*/ undefined, modifiers.length ? modifiers : undefined, range.facts & RangeFacts.IsGenerator ? ts.createToken(41 /* AsteriskToken */) : undefined, functionName,
- /*questionToken*/ undefined, typeParameters, parameters, returnType, body);
- }
- else {
- newFunction = ts.createFunctionDeclaration(
- /*decorators*/ undefined, range.facts & RangeFacts.IsAsyncFunction ? [ts.createToken(126 /* AsyncKeyword */)] : undefined, range.facts & RangeFacts.IsGenerator ? ts.createToken(41 /* AsteriskToken */) : undefined, functionName, typeParameters, parameters, returnType, body);
- }
- var changeTracker = ts.textChanges.ChangeTracker.fromContext(context);
- var minInsertionPos = (isReadonlyArray(range.range) ? ts.last(range.range) : range.range).end;
- var nodeToInsertBefore = getNodeToInsertFunctionBefore(minInsertionPos, scope);
- if (nodeToInsertBefore) {
- changeTracker.insertNodeBefore(context.file, nodeToInsertBefore, newFunction, /*blankLineBetween*/ true);
- }
- else {
- changeTracker.insertNodeAtEndOfScope(context.file, scope, newFunction);
- }
- importAdder.writeFixes(changeTracker);
- var newNodes = [];
- // replace range with function call
- var called = getCalledExpression(scope, range, functionNameText);
- var call = ts.createCall(called, callTypeArguments, // Note that no attempt is made to take advantage of type argument inference
- callArguments);
- if (range.facts & RangeFacts.IsGenerator) {
- call = ts.createYield(ts.createToken(41 /* AsteriskToken */), call);
- }
- if (range.facts & RangeFacts.IsAsyncFunction) {
- call = ts.createAwait(call);
- }
- if (exposedVariableDeclarations.length && !writes) {
- // No need to mix declarations and writes.
- // How could any variables be exposed if there's a return statement?
- ts.Debug.assert(!returnValueProperty, "Expected no returnValueProperty");
- ts.Debug.assert(!(range.facts & RangeFacts.HasReturn), "Expected RangeFacts.HasReturn flag to be unset");
- if (exposedVariableDeclarations.length === 1) {
- // Declaring exactly one variable: let x = newFunction();
- var variableDeclaration = exposedVariableDeclarations[0];
- newNodes.push(ts.createVariableStatement(
- /*modifiers*/ undefined, ts.createVariableDeclarationList([ts.createVariableDeclaration(ts.getSynthesizedDeepClone(variableDeclaration.name), /*type*/ ts.getSynthesizedDeepClone(variableDeclaration.type), /*initializer*/ call)], // TODO (acasey): test binding patterns
- variableDeclaration.parent.flags)));
- }
- else {
- // Declaring multiple variables / return properties:
- // let {x, y} = newFunction();
- var bindingElements = [];
- var typeElements = [];
- var commonNodeFlags = exposedVariableDeclarations[0].parent.flags;
- var sawExplicitType = false;
- for (var _i = 0, exposedVariableDeclarations_1 = exposedVariableDeclarations; _i < exposedVariableDeclarations_1.length; _i++) {
- var variableDeclaration = exposedVariableDeclarations_1[_i];
- bindingElements.push(ts.createBindingElement(
- /*dotDotDotToken*/ undefined,
- /*propertyName*/ undefined,
- /*name*/ ts.getSynthesizedDeepClone(variableDeclaration.name)));
- // Being returned through an object literal will have widened the type.
- var variableType = checker.typeToTypeNode(checker.getBaseTypeOfLiteralType(checker.getTypeAtLocation(variableDeclaration)), scope, 1 /* NoTruncation */);
- typeElements.push(ts.createPropertySignature(
- /*modifiers*/ undefined,
- /*name*/ variableDeclaration.symbol.name,
- /*questionToken*/ undefined,
- /*type*/ variableType,
- /*initializer*/ undefined));
- sawExplicitType = sawExplicitType || variableDeclaration.type !== undefined;
- commonNodeFlags = commonNodeFlags & variableDeclaration.parent.flags;
- }
- var typeLiteral = sawExplicitType ? ts.createTypeLiteralNode(typeElements) : undefined;
- if (typeLiteral) {
- ts.setEmitFlags(typeLiteral, 1 /* SingleLine */);
- }
- newNodes.push(ts.createVariableStatement(
- /*modifiers*/ undefined, ts.createVariableDeclarationList([ts.createVariableDeclaration(ts.createObjectBindingPattern(bindingElements),
- /*type*/ typeLiteral,
- /*initializer*/ call)], commonNodeFlags)));
- }
- }
- else if (exposedVariableDeclarations.length || writes) {
- if (exposedVariableDeclarations.length) {
- // CONSIDER: we're going to create one statement per variable, but we could actually preserve their original grouping.
- for (var _c = 0, exposedVariableDeclarations_2 = exposedVariableDeclarations; _c < exposedVariableDeclarations_2.length; _c++) {
- var variableDeclaration = exposedVariableDeclarations_2[_c];
- var flags = variableDeclaration.parent.flags;
- if (flags & 2 /* Const */) {
- flags = (flags & ~2 /* Const */) | 1 /* Let */;
- }
- newNodes.push(ts.createVariableStatement(
- /*modifiers*/ undefined, ts.createVariableDeclarationList([ts.createVariableDeclaration(variableDeclaration.symbol.name, getTypeDeepCloneUnionUndefined(variableDeclaration.type))], flags)));
- }
- }
- if (returnValueProperty) {
- // has both writes and return, need to create variable declaration to hold return value;
- newNodes.push(ts.createVariableStatement(
- /*modifiers*/ undefined, ts.createVariableDeclarationList([ts.createVariableDeclaration(returnValueProperty, getTypeDeepCloneUnionUndefined(returnType))], 1 /* Let */)));
- }
- var assignments = getPropertyAssignmentsForWritesAndVariableDeclarations(exposedVariableDeclarations, writes);
- if (returnValueProperty) {
- assignments.unshift(ts.createShorthandPropertyAssignment(returnValueProperty));
- }
- // propagate writes back
- if (assignments.length === 1) {
- // We would only have introduced a return value property if there had been
- // other assignments to make.
- ts.Debug.assert(!returnValueProperty, "Shouldn't have returnValueProperty here");
- newNodes.push(ts.createStatement(ts.createAssignment(assignments[0].name, call)));
- if (range.facts & RangeFacts.HasReturn) {
- newNodes.push(ts.createReturn());
- }
- }
- else {
- // emit e.g.
- // { a, b, __return } = newFunction(a, b);
- // return __return;
- newNodes.push(ts.createStatement(ts.createAssignment(ts.createObjectLiteral(assignments), call)));
- if (returnValueProperty) {
- newNodes.push(ts.createReturn(ts.createIdentifier(returnValueProperty)));
- }
- }
- }
- else {
- if (range.facts & RangeFacts.HasReturn) {
- newNodes.push(ts.createReturn(call));
- }
- else if (isReadonlyArray(range.range)) {
- newNodes.push(ts.createStatement(call));
- }
- else {
- newNodes.push(call);
- }
- }
- if (isReadonlyArray(range.range)) {
- changeTracker.replaceNodeRangeWithNodes(context.file, ts.first(range.range), ts.last(range.range), newNodes);
- }
- else {
- changeTracker.replaceNodeWithNodes(context.file, range.range, newNodes);
- }
- var edits = changeTracker.getChanges();
- var renameRange = isReadonlyArray(range.range) ? ts.first(range.range) : range.range;
- var renameFilename = renameRange.getSourceFile().fileName;
- var renameLocation = ts.getRenameLocation(edits, renameFilename, functionNameText, /*isDeclaredBeforeUse*/ false);
- return { renameFilename: renameFilename, renameLocation: renameLocation, edits: edits };
- function getTypeDeepCloneUnionUndefined(typeNode) {
- if (typeNode === undefined) {
- return undefined;
- }
- var clone = ts.getSynthesizedDeepClone(typeNode);
- var withoutParens = clone;
- while (ts.isParenthesizedTypeNode(withoutParens)) {
- withoutParens = withoutParens.type;
- }
- return ts.isUnionTypeNode(withoutParens) && ts.find(withoutParens.types, function (t) { return t.kind === 146 /* UndefinedKeyword */; })
- ? clone
- : ts.createUnionTypeNode([clone, ts.createKeywordTypeNode(146 /* UndefinedKeyword */)]);
- }
- }
- /**
- * Result of 'extractRange' operation for a specific scope.
- * Stores either a list of changes that should be applied to extract a range or a list of errors
- */
- function extractConstantInScope(node, scope, _a, rangeFacts, context) {
- var _b;
- var substitutions = _a.substitutions;
- var checker = context.program.getTypeChecker();
- // Make a unique name for the extracted variable
- var file = scope.getSourceFile();
- var localNameText = ts.getUniqueName(ts.isClassLike(scope) ? "newProperty" : "newLocal", file);
- var isJS = ts.isInJSFile(scope);
- var variableType = isJS || !checker.isContextSensitive(node)
- ? undefined
- : checker.typeToTypeNode(checker.getContextualType(node), scope, 1 /* NoTruncation */); // TODO: GH#18217
- var initializer = transformConstantInitializer(node, substitutions);
- (_b = transformFunctionInitializerAndType(variableType, initializer), variableType = _b.variableType, initializer = _b.initializer);
- ts.suppressLeadingAndTrailingTrivia(initializer);
- var changeTracker = ts.textChanges.ChangeTracker.fromContext(context);
- if (ts.isClassLike(scope)) {
- ts.Debug.assert(!isJS, "Cannot extract to a JS class"); // See CannotExtractToJSClass
- var modifiers = [];
- modifiers.push(ts.createToken(117 /* PrivateKeyword */));
- if (rangeFacts & RangeFacts.InStaticRegion) {
- modifiers.push(ts.createToken(120 /* StaticKeyword */));
- }
- modifiers.push(ts.createToken(138 /* ReadonlyKeyword */));
- var newVariable = ts.createProperty(
- /*decorators*/ undefined, modifiers, localNameText,
- /*questionToken*/ undefined, variableType, initializer);
- var localReference = ts.createPropertyAccess(rangeFacts & RangeFacts.InStaticRegion
- ? ts.createIdentifier(scope.name.getText()) // TODO: GH#18217
- : ts.createThis(), ts.createIdentifier(localNameText));
- // Declare
- var maxInsertionPos = node.pos;
- var nodeToInsertBefore = getNodeToInsertPropertyBefore(maxInsertionPos, scope);
- changeTracker.insertNodeBefore(context.file, nodeToInsertBefore, newVariable, /*blankLineBetween*/ true);
- // Consume
- changeTracker.replaceNode(context.file, node, localReference);
- }
- else {
- var newVariableDeclaration = ts.createVariableDeclaration(localNameText, variableType, initializer);
- // If the node is part of an initializer in a list of variable declarations, insert a new
- // variable declaration into the list (in case it depends on earlier ones).
- // CONSIDER: If the declaration list isn't const, we might want to split it into multiple
- // lists so that the newly extracted one can be const.
- var oldVariableDeclaration = getContainingVariableDeclarationIfInList(node, scope);
- if (oldVariableDeclaration) {
- // Declare
- // CONSIDER: could detect that each is on a separate line (See `extractConstant_VariableList_MultipleLines` in `extractConstants.ts`)
- changeTracker.insertNodeBefore(context.file, oldVariableDeclaration, newVariableDeclaration);
- // Consume
- var localReference = ts.createIdentifier(localNameText);
- changeTracker.replaceNode(context.file, node, localReference);
- }
- else if (node.parent.kind === 226 /* ExpressionStatement */ && scope === ts.findAncestor(node, isScope)) {
- // If the parent is an expression statement and the target scope is the immediately enclosing one,
- // replace the statement with the declaration.
- var newVariableStatement = ts.createVariableStatement(
- /*modifiers*/ undefined, ts.createVariableDeclarationList([newVariableDeclaration], 2 /* Const */));
- changeTracker.replaceNode(context.file, node.parent, newVariableStatement);
- }
- else {
- var newVariableStatement = ts.createVariableStatement(
- /*modifiers*/ undefined, ts.createVariableDeclarationList([newVariableDeclaration], 2 /* Const */));
- // Declare
- var nodeToInsertBefore = getNodeToInsertConstantBefore(node, scope);
- if (nodeToInsertBefore.pos === 0) {
- changeTracker.insertNodeAtTopOfFile(context.file, newVariableStatement, /*blankLineBetween*/ false);
- }
- else {
- changeTracker.insertNodeBefore(context.file, nodeToInsertBefore, newVariableStatement, /*blankLineBetween*/ false);
- }
- // Consume
- if (node.parent.kind === 226 /* ExpressionStatement */) {
- // If the parent is an expression statement, delete it.
- changeTracker.delete(context.file, node.parent);
- }
- else {
- var localReference = ts.createIdentifier(localNameText);
- changeTracker.replaceNode(context.file, node, localReference);
- }
- }
- }
- var edits = changeTracker.getChanges();
- var renameFilename = node.getSourceFile().fileName;
- var renameLocation = ts.getRenameLocation(edits, renameFilename, localNameText, /*isDeclaredBeforeUse*/ true);
- return { renameFilename: renameFilename, renameLocation: renameLocation, edits: edits };
- function transformFunctionInitializerAndType(variableType, initializer) {
- // If no contextual type exists there is nothing to transfer to the function signature
- if (variableType === undefined)
- return { variableType: variableType, initializer: initializer };
- // Only do this for function expressions and arrow functions that are not generic
- if (!ts.isFunctionExpression(initializer) && !ts.isArrowFunction(initializer) || !!initializer.typeParameters)
- return { variableType: variableType, initializer: initializer };
- var functionType = checker.getTypeAtLocation(node);
- var functionSignature = ts.singleOrUndefined(checker.getSignaturesOfType(functionType, 0 /* Call */));
- // If no function signature, maybe there was an error, do nothing
- if (!functionSignature)
- return { variableType: variableType, initializer: initializer };
- // If the function signature has generic type parameters we don't attempt to move the parameters
- if (!!functionSignature.getTypeParameters())
- return { variableType: variableType, initializer: initializer };
- // We add parameter types if needed
- var parameters = [];
- var hasAny = false;
- for (var _i = 0, _a = initializer.parameters; _i < _a.length; _i++) {
- var p = _a[_i];
- if (p.type) {
- parameters.push(p);
- }
- else {
- var paramType = checker.getTypeAtLocation(p);
- if (paramType === checker.getAnyType())
- hasAny = true;
- parameters.push(ts.updateParameter(p, p.decorators, p.modifiers, p.dotDotDotToken, p.name, p.questionToken, p.type || checker.typeToTypeNode(paramType, scope, 1 /* NoTruncation */), p.initializer));
- }
- }
- // If a parameter was inferred as any we skip adding function parameters at all.
- // Turning an implicit any (which under common settings is a error) to an explicit
- // is probably actually a worse refactor outcome.
- if (hasAny)
- return { variableType: variableType, initializer: initializer };
- variableType = undefined;
- if (ts.isArrowFunction(initializer)) {
- initializer = ts.updateArrowFunction(initializer, node.modifiers, initializer.typeParameters, parameters, initializer.type || checker.typeToTypeNode(functionSignature.getReturnType(), scope, 1 /* NoTruncation */), initializer.equalsGreaterThanToken, initializer.body);
- }
- else {
- if (functionSignature && !!functionSignature.thisParameter) {
- var firstParameter = ts.firstOrUndefined(parameters);
- // If the function signature has a this parameter and if the first defined parameter is not the this parameter, we must add it
- // Note: If this parameter was already there, it would have been previously updated with the type if not type was present
- if ((!firstParameter || (ts.isIdentifier(firstParameter.name) && firstParameter.name.escapedText !== "this"))) {
- var thisType = checker.getTypeOfSymbolAtLocation(functionSignature.thisParameter, node);
- parameters.splice(0, 0, ts.createParameter(
- /* decorators */ undefined,
- /* modifiers */ undefined,
- /* dotDotDotToken */ undefined, "this",
- /* questionToken */ undefined, checker.typeToTypeNode(thisType, scope, 1 /* NoTruncation */)));
- }
- }
- initializer = ts.updateFunctionExpression(initializer, node.modifiers, initializer.asteriskToken, initializer.name, initializer.typeParameters, parameters, initializer.type || checker.typeToTypeNode(functionSignature.getReturnType(), scope, 1 /* NoTruncation */), initializer.body);
- }
- return { variableType: variableType, initializer: initializer };
- }
- }
- function getContainingVariableDeclarationIfInList(node, scope) {
- var prevNode;
- while (node !== undefined && node !== scope) {
- if (ts.isVariableDeclaration(node) &&
- node.initializer === prevNode &&
- ts.isVariableDeclarationList(node.parent) &&
- node.parent.declarations.length > 1) {
- return node;
- }
- prevNode = node;
- node = node.parent;
- }
- }
- function getFirstDeclaration(type) {
- var firstDeclaration;
- var symbol = type.symbol;
- if (symbol && symbol.declarations) {
- for (var _i = 0, _a = symbol.declarations; _i < _a.length; _i++) {
- var declaration = _a[_i];
- if (firstDeclaration === undefined || declaration.pos < firstDeclaration.pos) {
- firstDeclaration = declaration;
- }
- }
- }
- return firstDeclaration;
- }
- function compareTypesByDeclarationOrder(_a, _b) {
- var type1 = _a.type, declaration1 = _a.declaration;
- var type2 = _b.type, declaration2 = _b.declaration;
- return ts.compareProperties(declaration1, declaration2, "pos", ts.compareValues)
- || ts.compareStringsCaseSensitive(type1.symbol ? type1.symbol.getName() : "", type2.symbol ? type2.symbol.getName() : "")
- || ts.compareValues(type1.id, type2.id);
- }
- function getCalledExpression(scope, range, functionNameText) {
- var functionReference = ts.createIdentifier(functionNameText);
- if (ts.isClassLike(scope)) {
- var lhs = range.facts & RangeFacts.InStaticRegion ? ts.createIdentifier(scope.name.text) : ts.createThis(); // TODO: GH#18217
- return ts.createPropertyAccess(lhs, functionReference);
- }
- else {
- return functionReference;
- }
- }
- function transformFunctionBody(body, exposedVariableDeclarations, writes, substitutions, hasReturn) {
- var hasWritesOrVariableDeclarations = writes !== undefined || exposedVariableDeclarations.length > 0;
- if (ts.isBlock(body) && !hasWritesOrVariableDeclarations && substitutions.size === 0) {
- // already block, no declarations or writes to propagate back, no substitutions - can use node as is
- return { body: ts.createBlock(body.statements, /*multLine*/ true), returnValueProperty: undefined };
- }
- var returnValueProperty;
- var ignoreReturns = false;
- var statements = ts.createNodeArray(ts.isBlock(body) ? body.statements.slice(0) : [ts.isStatement(body) ? body : ts.createReturn(body)]);
- // rewrite body if either there are writes that should be propagated back via return statements or there are substitutions
- if (hasWritesOrVariableDeclarations || substitutions.size) {
- var rewrittenStatements = ts.visitNodes(statements, visitor).slice();
- if (hasWritesOrVariableDeclarations && !hasReturn && ts.isStatement(body)) {
- // add return at the end to propagate writes back in case if control flow falls out of the function body
- // it is ok to know that range has at least one return since it we only allow unconditional returns
- var assignments = getPropertyAssignmentsForWritesAndVariableDeclarations(exposedVariableDeclarations, writes);
- if (assignments.length === 1) {
- rewrittenStatements.push(ts.createReturn(assignments[0].name));
- }
- else {
- rewrittenStatements.push(ts.createReturn(ts.createObjectLiteral(assignments)));
- }
- }
- return { body: ts.createBlock(rewrittenStatements, /*multiLine*/ true), returnValueProperty: returnValueProperty };
- }
- else {
- return { body: ts.createBlock(statements, /*multiLine*/ true), returnValueProperty: undefined };
- }
- function visitor(node) {
- if (!ignoreReturns && node.kind === 235 /* ReturnStatement */ && hasWritesOrVariableDeclarations) {
- var assignments = getPropertyAssignmentsForWritesAndVariableDeclarations(exposedVariableDeclarations, writes);
- if (node.expression) {
- if (!returnValueProperty) {
- returnValueProperty = "__return";
- }
- assignments.unshift(ts.createPropertyAssignment(returnValueProperty, ts.visitNode(node.expression, visitor)));
- }
- if (assignments.length === 1) {
- return ts.createReturn(assignments[0].name);
- }
- else {
- return ts.createReturn(ts.createObjectLiteral(assignments));
- }
- }
- else {
- var oldIgnoreReturns = ignoreReturns;
- ignoreReturns = ignoreReturns || ts.isFunctionLikeDeclaration(node) || ts.isClassLike(node);
- var substitution = substitutions.get(ts.getNodeId(node).toString());
- var result = substitution ? ts.getSynthesizedDeepClone(substitution) : ts.visitEachChild(node, visitor, ts.nullTransformationContext);
- ignoreReturns = oldIgnoreReturns;
- return result;
- }
- }
- }
- function transformConstantInitializer(initializer, substitutions) {
- return substitutions.size
- ? visitor(initializer)
- : initializer;
- function visitor(node) {
- var substitution = substitutions.get(ts.getNodeId(node).toString());
- return substitution ? ts.getSynthesizedDeepClone(substitution) : ts.visitEachChild(node, visitor, ts.nullTransformationContext);
- }
- }
- function getStatementsOrClassElements(scope) {
- if (ts.isFunctionLikeDeclaration(scope)) {
- var body = scope.body; // TODO: GH#18217
- if (ts.isBlock(body)) {
- return body.statements;
- }
- }
- else if (ts.isModuleBlock(scope) || ts.isSourceFile(scope)) {
- return scope.statements;
- }
- else if (ts.isClassLike(scope)) {
- return scope.members;
- }
- else {
- ts.assertType(scope);
- }
- return ts.emptyArray;
- }
- /**
- * If `scope` contains a function after `minPos`, then return the first such function.
- * Otherwise, return `undefined`.
- */
- function getNodeToInsertFunctionBefore(minPos, scope) {
- return ts.find(getStatementsOrClassElements(scope), function (child) {
- return child.pos >= minPos && ts.isFunctionLikeDeclaration(child) && !ts.isConstructorDeclaration(child);
- });
- }
- function getNodeToInsertPropertyBefore(maxPos, scope) {
- var members = scope.members;
- ts.Debug.assert(members.length > 0, "Found no members"); // There must be at least one child, since we extracted from one.
- var prevMember;
- var allProperties = true;
- for (var _i = 0, members_1 = members; _i < members_1.length; _i++) {
- var member = members_1[_i];
- if (member.pos > maxPos) {
- return prevMember || members[0];
- }
- if (allProperties && !ts.isPropertyDeclaration(member)) {
- // If it is non-vacuously true that all preceding members are properties,
- // insert before the current member (i.e. at the end of the list of properties).
- if (prevMember !== undefined) {
- return member;
- }
- allProperties = false;
- }
- prevMember = member;
- }
- if (prevMember === undefined)
- return ts.Debug.fail(); // If the loop didn't return, then it did set prevMember.
- return prevMember;
- }
- function getNodeToInsertConstantBefore(node, scope) {
- ts.Debug.assert(!ts.isClassLike(scope));
- var prevScope;
- for (var curr = node; curr !== scope; curr = curr.parent) {
- if (isScope(curr)) {
- prevScope = curr;
- }
- }
- for (var curr = (prevScope || node).parent;; curr = curr.parent) {
- if (isBlockLike(curr)) {
- var prevStatement = void 0;
- for (var _i = 0, _a = curr.statements; _i < _a.length; _i++) {
- var statement = _a[_i];
- if (statement.pos > node.pos) {
- break;
- }
- prevStatement = statement;
- }
- if (!prevStatement && ts.isCaseClause(curr)) {
- // We must have been in the expression of the case clause.
- ts.Debug.assert(ts.isSwitchStatement(curr.parent.parent), "Grandparent isn't a switch statement");
- return curr.parent.parent;
- }
- // There must be at least one statement since we started in one.
- return ts.Debug.checkDefined(prevStatement, "prevStatement failed to get set");
- }
- ts.Debug.assert(curr !== scope, "Didn't encounter a block-like before encountering scope");
- }
- }
- function getPropertyAssignmentsForWritesAndVariableDeclarations(exposedVariableDeclarations, writes) {
- var variableAssignments = ts.map(exposedVariableDeclarations, function (v) { return ts.createShorthandPropertyAssignment(v.symbol.name); });
- var writeAssignments = ts.map(writes, function (w) { return ts.createShorthandPropertyAssignment(w.symbol.name); });
- // TODO: GH#18217 `variableAssignments` not possibly undefined!
- return variableAssignments === undefined
- ? writeAssignments
- : writeAssignments === undefined
- ? variableAssignments
- : variableAssignments.concat(writeAssignments);
- }
- function isReadonlyArray(v) {
- return ts.isArray(v);
- }
- /**
- * Produces a range that spans the entirety of nodes, given a selection
- * that might start/end in the middle of nodes.
- *
- * For example, when the user makes a selection like this
- * v---v
- * var someThing = foo + bar;
- * this returns ^-------^
- */
- function getEnclosingTextRange(targetRange, sourceFile) {
- return isReadonlyArray(targetRange.range)
- ? { pos: ts.first(targetRange.range).getStart(sourceFile), end: ts.last(targetRange.range).getEnd() }
- : targetRange.range;
- }
- var Usage;
- (function (Usage) {
- // value should be passed to extracted method
- Usage[Usage["Read"] = 1] = "Read";
- // value should be passed to extracted method and propagated back
- Usage[Usage["Write"] = 2] = "Write";
- })(Usage || (Usage = {}));
- function collectReadsAndWrites(targetRange, scopes, enclosingTextRange, sourceFile, checker, cancellationToken) {
- var allTypeParameterUsages = ts.createMap(); // Key is type ID
- var usagesPerScope = [];
- var substitutionsPerScope = [];
- var functionErrorsPerScope = [];
- var constantErrorsPerScope = [];
- var visibleDeclarationsInExtractedRange = [];
- var exposedVariableSymbolSet = ts.createMap(); // Key is symbol ID
- var exposedVariableDeclarations = [];
- var firstExposedNonVariableDeclaration;
- var expression = !isReadonlyArray(targetRange.range)
- ? targetRange.range
- : targetRange.range.length === 1 && ts.isExpressionStatement(targetRange.range[0])
- ? targetRange.range[0].expression
- : undefined;
- var expressionDiagnostic;
- if (expression === undefined) {
- var statements = targetRange.range;
- var start = ts.first(statements).getStart();
- var end = ts.last(statements).end;
- expressionDiagnostic = ts.createFileDiagnostic(sourceFile, start, end - start, Messages.expressionExpected);
- }
- else if (checker.getTypeAtLocation(expression).flags & (16384 /* Void */ | 131072 /* Never */)) {
- expressionDiagnostic = ts.createDiagnosticForNode(expression, Messages.uselessConstantType);
- }
- // initialize results
- for (var _i = 0, scopes_1 = scopes; _i < scopes_1.length; _i++) {
- var scope = scopes_1[_i];
- usagesPerScope.push({ usages: ts.createMap(), typeParameterUsages: ts.createMap(), substitutions: ts.createMap() });
- substitutionsPerScope.push(ts.createMap());
- functionErrorsPerScope.push(ts.isFunctionLikeDeclaration(scope) && scope.kind !== 244 /* FunctionDeclaration */
- ? [ts.createDiagnosticForNode(scope, Messages.cannotExtractToOtherFunctionLike)]
- : []);
- var constantErrors = [];
- if (expressionDiagnostic) {
- constantErrors.push(expressionDiagnostic);
- }
- if (ts.isClassLike(scope) && ts.isInJSFile(scope)) {
- constantErrors.push(ts.createDiagnosticForNode(scope, Messages.cannotExtractToJSClass));
- }
- if (ts.isArrowFunction(scope) && !ts.isBlock(scope.body)) {
- // TODO (https://github.com/Microsoft/TypeScript/issues/18924): allow this
- constantErrors.push(ts.createDiagnosticForNode(scope, Messages.cannotExtractToExpressionArrowFunction));
- }
- constantErrorsPerScope.push(constantErrors);
- }
- var seenUsages = ts.createMap();
- var target = isReadonlyArray(targetRange.range) ? ts.createBlock(targetRange.range) : targetRange.range;
- var unmodifiedNode = isReadonlyArray(targetRange.range) ? ts.first(targetRange.range) : targetRange.range;
- var inGenericContext = isInGenericContext(unmodifiedNode);
- collectUsages(target);
- // Unfortunately, this code takes advantage of the knowledge that the generated method
- // will use the contextual type of an expression as the return type of the extracted
- // method (and will therefore "use" all the types involved).
- if (inGenericContext && !isReadonlyArray(targetRange.range)) {
- var contextualType = checker.getContextualType(targetRange.range); // TODO: GH#18217
- recordTypeParameterUsages(contextualType);
- }
- if (allTypeParameterUsages.size > 0) {
- var seenTypeParameterUsages = ts.createMap(); // Key is type ID
- var i_1 = 0;
- for (var curr = unmodifiedNode; curr !== undefined && i_1 < scopes.length; curr = curr.parent) {
- if (curr === scopes[i_1]) {
- // Copy current contents of seenTypeParameterUsages into scope.
- seenTypeParameterUsages.forEach(function (typeParameter, id) {
- usagesPerScope[i_1].typeParameterUsages.set(id, typeParameter);
- });
- i_1++;
- }
- // Note that we add the current node's type parameters *after* updating the corresponding scope.
- if (ts.isDeclarationWithTypeParameters(curr)) {
- for (var _a = 0, _b = ts.getEffectiveTypeParameterDeclarations(curr); _a < _b.length; _a++) {
- var typeParameterDecl = _b[_a];
- var typeParameter = checker.getTypeAtLocation(typeParameterDecl);
- if (allTypeParameterUsages.has(typeParameter.id.toString())) {
- seenTypeParameterUsages.set(typeParameter.id.toString(), typeParameter);
- }
- }
- }
- }
- // If we didn't get through all the scopes, then there were some that weren't in our
- // parent chain (impossible at time of writing). A conservative solution would be to
- // copy allTypeParameterUsages into all remaining scopes.
- ts.Debug.assert(i_1 === scopes.length, "Should have iterated all scopes");
- }
- // If there are any declarations in the extracted block that are used in the same enclosing
- // lexical scope, we can't move the extraction "up" as those declarations will become unreachable
- if (visibleDeclarationsInExtractedRange.length) {
- var containingLexicalScopeOfExtraction = ts.isBlockScope(scopes[0], scopes[0].parent)
- ? scopes[0]
- : ts.getEnclosingBlockScopeContainer(scopes[0]);
- ts.forEachChild(containingLexicalScopeOfExtraction, checkForUsedDeclarations);
- }
- var _loop_16 = function (i) {
- var scopeUsages = usagesPerScope[i];
- // Special case: in the innermost scope, all usages are available.
- // (The computed value reflects the value at the top-level of the scope, but the
- // local will actually be declared at the same level as the extracted expression).
- if (i > 0 && (scopeUsages.usages.size > 0 || scopeUsages.typeParameterUsages.size > 0)) {
- var errorNode = isReadonlyArray(targetRange.range) ? targetRange.range[0] : targetRange.range;
- constantErrorsPerScope[i].push(ts.createDiagnosticForNode(errorNode, Messages.cannotAccessVariablesFromNestedScopes));
- }
- var hasWrite = false;
- var readonlyClassPropertyWrite;
- usagesPerScope[i].usages.forEach(function (value) {
- if (value.usage === 2 /* Write */) {
- hasWrite = true;
- if (value.symbol.flags & 106500 /* ClassMember */ &&
- value.symbol.valueDeclaration &&
- ts.hasModifier(value.symbol.valueDeclaration, 64 /* Readonly */)) {
- readonlyClassPropertyWrite = value.symbol.valueDeclaration;
- }
- }
- });
- // If an expression was extracted, then there shouldn't have been any variable declarations.
- ts.Debug.assert(isReadonlyArray(targetRange.range) || exposedVariableDeclarations.length === 0, "No variable declarations expected if something was extracted");
- if (hasWrite && !isReadonlyArray(targetRange.range)) {
- var diag = ts.createDiagnosticForNode(targetRange.range, Messages.cannotWriteInExpression);
- functionErrorsPerScope[i].push(diag);
- constantErrorsPerScope[i].push(diag);
- }
- else if (readonlyClassPropertyWrite && i > 0) {
- var diag = ts.createDiagnosticForNode(readonlyClassPropertyWrite, Messages.cannotExtractReadonlyPropertyInitializerOutsideConstructor);
- functionErrorsPerScope[i].push(diag);
- constantErrorsPerScope[i].push(diag);
- }
- else if (firstExposedNonVariableDeclaration) {
- var diag = ts.createDiagnosticForNode(firstExposedNonVariableDeclaration, Messages.cannotExtractExportedEntity);
- functionErrorsPerScope[i].push(diag);
- constantErrorsPerScope[i].push(diag);
- }
- };
- for (var i = 0; i < scopes.length; i++) {
- _loop_16(i);
- }
- return { target: target, usagesPerScope: usagesPerScope, functionErrorsPerScope: functionErrorsPerScope, constantErrorsPerScope: constantErrorsPerScope, exposedVariableDeclarations: exposedVariableDeclarations };
- function isInGenericContext(node) {
- return !!ts.findAncestor(node, function (n) { return ts.isDeclarationWithTypeParameters(n) && ts.getEffectiveTypeParameterDeclarations(n).length !== 0; });
- }
- function recordTypeParameterUsages(type) {
- // PERF: This is potentially very expensive. `type` could be a library type with
- // a lot of properties, each of which the walker will visit. Unfortunately, the
- // solution isn't as trivial as filtering to user types because of (e.g.) Array.
- var symbolWalker = checker.getSymbolWalker(function () { return (cancellationToken.throwIfCancellationRequested(), true); });
- var visitedTypes = symbolWalker.walkType(type).visitedTypes;
- for (var _i = 0, visitedTypes_1 = visitedTypes; _i < visitedTypes_1.length; _i++) {
- var visitedType = visitedTypes_1[_i];
- if (visitedType.isTypeParameter()) {
- allTypeParameterUsages.set(visitedType.id.toString(), visitedType);
- }
- }
- }
- function collectUsages(node, valueUsage) {
- if (valueUsage === void 0) { valueUsage = 1 /* Read */; }
- if (inGenericContext) {
- var type = checker.getTypeAtLocation(node);
- recordTypeParameterUsages(type);
- }
- if (ts.isDeclaration(node) && node.symbol) {
- visibleDeclarationsInExtractedRange.push(node);
- }
- if (ts.isAssignmentExpression(node)) {
- // use 'write' as default usage for values
- collectUsages(node.left, 2 /* Write */);
- collectUsages(node.right);
- }
- else if (ts.isUnaryExpressionWithWrite(node)) {
- collectUsages(node.operand, 2 /* Write */);
- }
- else if (ts.isPropertyAccessExpression(node) || ts.isElementAccessExpression(node)) {
- // use 'write' as default usage for values
- ts.forEachChild(node, collectUsages);
- }
- else if (ts.isIdentifier(node)) {
- if (!node.parent) {
- return;
- }
- if (ts.isQualifiedName(node.parent) && node !== node.parent.left) {
- return;
- }
- if (ts.isPropertyAccessExpression(node.parent) && node !== node.parent.expression) {
- return;
- }
- recordUsage(node, valueUsage, /*isTypeNode*/ ts.isPartOfTypeNode(node));
- }
- else {
- ts.forEachChild(node, collectUsages);
- }
- }
- function recordUsage(n, usage, isTypeNode) {
- var symbolId = recordUsagebySymbol(n, usage, isTypeNode);
- if (symbolId) {
- for (var i = 0; i < scopes.length; i++) {
- // push substitution from map<symbolId, subst> to map<nodeId, subst> to simplify rewriting
- var substitution = substitutionsPerScope[i].get(symbolId);
- if (substitution) {
- usagesPerScope[i].substitutions.set(ts.getNodeId(n).toString(), substitution);
- }
- }
- }
- }
- function recordUsagebySymbol(identifier, usage, isTypeName) {
- var symbol = getSymbolReferencedByIdentifier(identifier);
- if (!symbol) {
- // cannot find symbol - do nothing
- return undefined;
- }
- var symbolId = ts.getSymbolId(symbol).toString();
- var lastUsage = seenUsages.get(symbolId);
- // there are two kinds of value usages
- // - reads - if range contains a read from the value located outside of the range then value should be passed as a parameter
- // - writes - if range contains a write to a value located outside the range the value should be passed as a parameter and
- // returned as a return value
- // 'write' case is a superset of 'read' so if we already have processed 'write' of some symbol there is not need to handle 'read'
- // since all information is already recorded
- if (lastUsage && lastUsage >= usage) {
- return symbolId;
- }
- seenUsages.set(symbolId, usage);
- if (lastUsage) {
- // if we get here this means that we are trying to handle 'write' and 'read' was already processed
- // walk scopes and update existing records.
- for (var _i = 0, usagesPerScope_1 = usagesPerScope; _i < usagesPerScope_1.length; _i++) {
- var perScope = usagesPerScope_1[_i];
- var prevEntry = perScope.usages.get(identifier.text);
- if (prevEntry) {
- perScope.usages.set(identifier.text, { usage: usage, symbol: symbol, node: identifier });
- }
- }
- return symbolId;
- }
- // find first declaration in this file
- var decls = symbol.getDeclarations();
- var declInFile = decls && ts.find(decls, function (d) { return d.getSourceFile() === sourceFile; });
- if (!declInFile) {
- return undefined;
- }
- if (ts.rangeContainsStartEnd(enclosingTextRange, declInFile.getStart(), declInFile.end)) {
- // declaration is located in range to be extracted - do nothing
- return undefined;
- }
- if (targetRange.facts & RangeFacts.IsGenerator && usage === 2 /* Write */) {
- // this is write to a reference located outside of the target scope and range is extracted into generator
- // currently this is unsupported scenario
- var diag = ts.createDiagnosticForNode(identifier, Messages.cannotExtractRangeThatContainsWritesToReferencesLocatedOutsideOfTheTargetRangeInGenerators);
- for (var _a = 0, functionErrorsPerScope_1 = functionErrorsPerScope; _a < functionErrorsPerScope_1.length; _a++) {
- var errors = functionErrorsPerScope_1[_a];
- errors.push(diag);
- }
- for (var _b = 0, constantErrorsPerScope_1 = constantErrorsPerScope; _b < constantErrorsPerScope_1.length; _b++) {
- var errors = constantErrorsPerScope_1[_b];
- errors.push(diag);
- }
- }
- for (var i = 0; i < scopes.length; i++) {
- var scope = scopes[i];
- var resolvedSymbol = checker.resolveName(symbol.name, scope, symbol.flags, /*excludeGlobals*/ false);
- if (resolvedSymbol === symbol) {
- continue;
- }
- if (!substitutionsPerScope[i].has(symbolId)) {
- var substitution = tryReplaceWithQualifiedNameOrPropertyAccess(symbol.exportSymbol || symbol, scope, isTypeName);
- if (substitution) {
- substitutionsPerScope[i].set(symbolId, substitution);
- }
- else if (isTypeName) {
- // If the symbol is a type parameter that won't be in scope, we'll pass it as a type argument
- // so there's no problem.
- if (!(symbol.flags & 262144 /* TypeParameter */)) {
- var diag = ts.createDiagnosticForNode(identifier, Messages.typeWillNotBeVisibleInTheNewScope);
- functionErrorsPerScope[i].push(diag);
- constantErrorsPerScope[i].push(diag);
- }
- }
- else {
- usagesPerScope[i].usages.set(identifier.text, { usage: usage, symbol: symbol, node: identifier });
- }
- }
- }
- return symbolId;
- }
- function checkForUsedDeclarations(node) {
- // If this node is entirely within the original extraction range, we don't need to do anything.
- if (node === targetRange.range || (isReadonlyArray(targetRange.range) && targetRange.range.indexOf(node) >= 0)) {
- return;
- }
- // Otherwise check and recurse.
- var sym = ts.isIdentifier(node)
- ? getSymbolReferencedByIdentifier(node)
- : checker.getSymbolAtLocation(node);
- if (sym) {
- var decl = ts.find(visibleDeclarationsInExtractedRange, function (d) { return d.symbol === sym; });
- if (decl) {
- if (ts.isVariableDeclaration(decl)) {
- var idString = decl.symbol.id.toString();
- if (!exposedVariableSymbolSet.has(idString)) {
- exposedVariableDeclarations.push(decl);
- exposedVariableSymbolSet.set(idString, true);
- }
- }
- else {
- // CONSIDER: this includes binding elements, which we could
- // expose in the same way as variables.
- firstExposedNonVariableDeclaration = firstExposedNonVariableDeclaration || decl;
- }
- }
- }
- ts.forEachChild(node, checkForUsedDeclarations);
- }
- /**
- * Return the symbol referenced by an identifier (even if it declares a different symbol).
- */
- function getSymbolReferencedByIdentifier(identifier) {
- // If the identifier is both a property name and its value, we're only interested in its value
- // (since the name is a declaration and will be included in the extracted range).
- return identifier.parent && ts.isShorthandPropertyAssignment(identifier.parent) && identifier.parent.name === identifier
- ? checker.getShorthandAssignmentValueSymbol(identifier.parent)
- : checker.getSymbolAtLocation(identifier);
- }
- function tryReplaceWithQualifiedNameOrPropertyAccess(symbol, scopeDecl, isTypeNode) {
- if (!symbol) {
- return undefined;
- }
- var decls = symbol.getDeclarations();
- if (decls && decls.some(function (d) { return d.parent === scopeDecl; })) {
- return ts.createIdentifier(symbol.name);
- }
- var prefix = tryReplaceWithQualifiedNameOrPropertyAccess(symbol.parent, scopeDecl, isTypeNode);
- if (prefix === undefined) {
- return undefined;
- }
- return isTypeNode
- ? ts.createQualifiedName(prefix, ts.createIdentifier(symbol.name))
- : ts.createPropertyAccess(prefix, symbol.name);
- }
- }
- /**
- * Computes whether or not a node represents an expression in a position where it could
- * be extracted.
- * The isExpression() in utilities.ts returns some false positives we need to handle,
- * such as `import x from 'y'` -- the 'y' is a StringLiteral but is *not* an expression
- * in the sense of something that you could extract on
- */
- function isExtractableExpression(node) {
- var parent = node.parent;
- switch (parent.kind) {
- case 284 /* EnumMember */:
- return false;
- }
- switch (node.kind) {
- case 10 /* StringLiteral */:
- return parent.kind !== 254 /* ImportDeclaration */ &&
- parent.kind !== 258 /* ImportSpecifier */;
- case 213 /* SpreadElement */:
- case 189 /* ObjectBindingPattern */:
- case 191 /* BindingElement */:
- return false;
- case 75 /* Identifier */:
- return parent.kind !== 191 /* BindingElement */ &&
- parent.kind !== 258 /* ImportSpecifier */ &&
- parent.kind !== 263 /* ExportSpecifier */;
- }
- return true;
- }
- function isBlockLike(node) {
- switch (node.kind) {
- case 223 /* Block */:
- case 290 /* SourceFile */:
- case 250 /* ModuleBlock */:
- case 277 /* CaseClause */:
- return true;
- default:
- return false;
- }
- }
- })(extractSymbol = refactor.extractSymbol || (refactor.extractSymbol = {}));
- })(refactor = ts.refactor || (ts.refactor = {}));
-})(ts || (ts = {}));
-/* @internal */
-var ts;
-(function (ts) {
- var refactor;
- (function (refactor) {
- var refactorName = "Extract type";
- var extractToTypeAlias = "Extract to type alias";
- var extractToInterface = "Extract to interface";
- var extractToTypeDef = "Extract to typedef";
- refactor.registerRefactor(refactorName, {
- getAvailableActions: function (context) {
- var info = getRangeToExtract(context);
- if (!info)
- return ts.emptyArray;
- return [{
- name: refactorName,
- description: ts.getLocaleSpecificMessage(ts.Diagnostics.Extract_type),
- actions: info.isJS ? [{
- name: extractToTypeDef, description: ts.getLocaleSpecificMessage(ts.Diagnostics.Extract_to_typedef)
- }] : ts.append([{
- name: extractToTypeAlias, description: ts.getLocaleSpecificMessage(ts.Diagnostics.Extract_to_type_alias)
- }], info.typeElements && {
- name: extractToInterface, description: ts.getLocaleSpecificMessage(ts.Diagnostics.Extract_to_interface)
- })
- }];
- },
- getEditsForAction: function (context, actionName) {
- var file = context.file;
- var info = ts.Debug.checkDefined(getRangeToExtract(context), "Expected to find a range to extract");
- var name = ts.getUniqueName("NewType", file);
- var edits = ts.textChanges.ChangeTracker.with(context, function (changes) {
- switch (actionName) {
- case extractToTypeAlias:
- ts.Debug.assert(!info.isJS, "Invalid actionName/JS combo");
- return doTypeAliasChange(changes, file, name, info);
- case extractToTypeDef:
- ts.Debug.assert(info.isJS, "Invalid actionName/JS combo");
- return doTypedefChange(changes, file, name, info);
- case extractToInterface:
- ts.Debug.assert(!info.isJS && !!info.typeElements, "Invalid actionName/JS combo");
- return doInterfaceChange(changes, file, name, info);
- default:
- ts.Debug.fail("Unexpected action name");
- }
- });
- var renameFilename = file.fileName;
- var renameLocation = ts.getRenameLocation(edits, renameFilename, name, /*preferLastLocation*/ false);
- return { edits: edits, renameFilename: renameFilename, renameLocation: renameLocation };
- }
- });
- function getRangeToExtract(context) {
- var file = context.file, startPosition = context.startPosition;
- var isJS = ts.isSourceFileJS(file);
- var current = ts.getTokenAtPosition(file, startPosition);
- var range = ts.createTextRangeFromSpan(ts.getRefactorContextSpan(context));
- var selection = ts.findAncestor(current, (function (node) { return node.parent && rangeContainsSkipTrivia(range, node, file) && !rangeContainsSkipTrivia(range, node.parent, file); }));
- if (!selection || !ts.isTypeNode(selection))
- return undefined;
- var checker = context.program.getTypeChecker();
- var firstStatement = ts.Debug.checkDefined(ts.findAncestor(selection, ts.isStatement), "Should find a statement");
- var typeParameters = collectTypeParameters(checker, selection, firstStatement, file);
- if (!typeParameters)
- return undefined;
- var typeElements = flattenTypeLiteralNodeReference(checker, selection);
- return { isJS: isJS, selection: selection, firstStatement: firstStatement, typeParameters: typeParameters, typeElements: typeElements };
- }
- function flattenTypeLiteralNodeReference(checker, node) {
- if (!node)
- return undefined;
- if (ts.isIntersectionTypeNode(node)) {
- var result = [];
- var seen_1 = ts.createMap();
- for (var _i = 0, _a = node.types; _i < _a.length; _i++) {
- var type = _a[_i];
- var flattenedTypeMembers = flattenTypeLiteralNodeReference(checker, type);
- if (!flattenedTypeMembers || !flattenedTypeMembers.every(function (type) { return type.name && ts.addToSeen(seen_1, ts.getNameFromPropertyName(type.name)); })) {
- return undefined;
- }
- ts.addRange(result, flattenedTypeMembers);
- }
- return result;
- }
- else if (ts.isParenthesizedTypeNode(node)) {
- return flattenTypeLiteralNodeReference(checker, node.type);
- }
- else if (ts.isTypeLiteralNode(node)) {
- return node.members;
- }
- return undefined;
- }
- function rangeContainsSkipTrivia(r1, node, file) {
- return ts.rangeContainsStartEnd(r1, ts.skipTrivia(file.text, node.pos), node.end);
- }
- function collectTypeParameters(checker, selection, statement, file) {
- var result = [];
- return visitor(selection) ? undefined : result;
- function visitor(node) {
- if (ts.isTypeReferenceNode(node)) {
- if (ts.isIdentifier(node.typeName)) {
- var symbol = checker.resolveName(node.typeName.text, node.typeName, 262144 /* TypeParameter */, /* excludeGlobals */ true);
- if (symbol) {
- var declaration = ts.cast(ts.first(symbol.declarations), ts.isTypeParameterDeclaration);
- if (rangeContainsSkipTrivia(statement, declaration, file) && !rangeContainsSkipTrivia(selection, declaration, file)) {
- result.push(declaration);
- }
- }
- }
- }
- else if (ts.isInferTypeNode(node)) {
- var conditionalTypeNode = ts.findAncestor(node, function (n) { return ts.isConditionalTypeNode(n) && rangeContainsSkipTrivia(n.extendsType, node, file); });
- if (!conditionalTypeNode || !rangeContainsSkipTrivia(selection, conditionalTypeNode, file)) {
- return true;
- }
- }
- else if ((ts.isTypePredicateNode(node) || ts.isThisTypeNode(node))) {
- var functionLikeNode = ts.findAncestor(node.parent, ts.isFunctionLike);
- if (functionLikeNode && functionLikeNode.type && rangeContainsSkipTrivia(functionLikeNode.type, node, file) && !rangeContainsSkipTrivia(selection, functionLikeNode, file)) {
- return true;
- }
- }
- else if (ts.isTypeQueryNode(node)) {
- if (ts.isIdentifier(node.exprName)) {
- var symbol = checker.resolveName(node.exprName.text, node.exprName, 111551 /* Value */, /* excludeGlobals */ false);
- if (symbol && rangeContainsSkipTrivia(statement, symbol.valueDeclaration, file) && !rangeContainsSkipTrivia(selection, symbol.valueDeclaration, file)) {
- return true;
- }
- }
- else {
- if (ts.isThisIdentifier(node.exprName.left) && !rangeContainsSkipTrivia(selection, node.parent, file)) {
- return true;
- }
- }
- }
- return ts.forEachChild(node, visitor);
- }
- }
- function doTypeAliasChange(changes, file, name, info) {
- var firstStatement = info.firstStatement, selection = info.selection, typeParameters = info.typeParameters;
- var newTypeNode = ts.createTypeAliasDeclaration(
- /* decorators */ undefined,
- /* modifiers */ undefined, name, typeParameters.map(function (id) { return ts.updateTypeParameterDeclaration(id, id.name, id.constraint, /* defaultType */ undefined); }), selection);
- changes.insertNodeBefore(file, firstStatement, ts.ignoreSourceNewlines(newTypeNode), /* blankLineBetween */ true);
- changes.replaceNode(file, selection, ts.createTypeReferenceNode(name, typeParameters.map(function (id) { return ts.createTypeReferenceNode(id.name, /* typeArguments */ undefined); })));
- }
- function doInterfaceChange(changes, file, name, info) {
- var firstStatement = info.firstStatement, selection = info.selection, typeParameters = info.typeParameters, typeElements = info.typeElements;
- var newTypeNode = ts.createInterfaceDeclaration(
- /* decorators */ undefined,
- /* modifiers */ undefined, name, typeParameters,
- /* heritageClauses */ undefined, typeElements);
- changes.insertNodeBefore(file, firstStatement, ts.ignoreSourceNewlines(newTypeNode), /* blankLineBetween */ true);
- changes.replaceNode(file, selection, ts.createTypeReferenceNode(name, typeParameters.map(function (id) { return ts.createTypeReferenceNode(id.name, /* typeArguments */ undefined); })));
- }
- function doTypedefChange(changes, file, name, info) {
- var firstStatement = info.firstStatement, selection = info.selection, typeParameters = info.typeParameters;
- var node = ts.createNode(322 /* JSDocTypedefTag */);
- node.tagName = ts.createIdentifier("typedef"); // TODO: jsdoc factory https://github.com/Microsoft/TypeScript/pull/29539
- node.fullName = ts.createIdentifier(name);
- node.name = node.fullName;
- node.typeExpression = ts.createJSDocTypeExpression(selection);
- var templates = [];
- ts.forEach(typeParameters, function (typeParameter) {
- var constraint = ts.getEffectiveConstraintOfTypeParameter(typeParameter);
- var template = ts.createNode(321 /* JSDocTemplateTag */);
- template.tagName = ts.createIdentifier("template");
- template.constraint = constraint && ts.cast(constraint, ts.isJSDocTypeExpression);
- var parameter = ts.createNode(155 /* TypeParameter */);
- parameter.name = typeParameter.name;
- template.typeParameters = ts.createNodeArray([parameter]);
- templates.push(template);
- });
- changes.insertNodeBefore(file, firstStatement, ts.createJSDocComment(/* comment */ undefined, ts.createNodeArray(ts.concatenate(templates, [node]))), /* blankLineBetween */ true);
- changes.replaceNode(file, selection, ts.createTypeReferenceNode(name, typeParameters.map(function (id) { return ts.createTypeReferenceNode(id.name, /* typeArguments */ undefined); })));
- }
- })(refactor = ts.refactor || (ts.refactor = {}));
-})(ts || (ts = {}));
-/* @internal */
-var ts;
-(function (ts) {
- var refactor;
- (function (refactor) {
- var generateGetAccessorAndSetAccessor;
- (function (generateGetAccessorAndSetAccessor) {
- var actionName = "Generate 'get' and 'set' accessors";
- var actionDescription = ts.Diagnostics.Generate_get_and_set_accessors.message;
- refactor.registerRefactor(actionName, { getEditsForAction: getEditsForAction, getAvailableActions: getAvailableActions });
- function getAvailableActions(context) {
- if (!getConvertibleFieldAtPosition(context))
- return ts.emptyArray;
- return [{
- name: actionName,
- description: actionDescription,
- actions: [
- {
- name: actionName,
- description: actionDescription
- }
- ]
- }];
- }
- function getEditsForAction(context, _actionName) {
- var file = context.file;
- var fieldInfo = getConvertibleFieldAtPosition(context);
- if (!fieldInfo)
- return undefined;
- var isJS = ts.isSourceFileJS(file);
- var changeTracker = ts.textChanges.ChangeTracker.fromContext(context);
- var isStatic = fieldInfo.isStatic, isReadonly = fieldInfo.isReadonly, fieldName = fieldInfo.fieldName, accessorName = fieldInfo.accessorName, originalName = fieldInfo.originalName, type = fieldInfo.type, container = fieldInfo.container, declaration = fieldInfo.declaration, renameAccessor = fieldInfo.renameAccessor;
- ts.suppressLeadingAndTrailingTrivia(fieldName);
- ts.suppressLeadingAndTrailingTrivia(accessorName);
- ts.suppressLeadingAndTrailingTrivia(declaration);
- ts.suppressLeadingAndTrailingTrivia(container);
- var isInClassLike = ts.isClassLike(container);
- // avoid Readonly modifier because it will convert to get accessor
- var modifierFlags = ts.getModifierFlags(declaration) & ~64 /* Readonly */;
- var accessorModifiers = isInClassLike
- ? !modifierFlags || modifierFlags & 8 /* Private */
- ? getModifiers(isJS, isStatic, 119 /* PublicKeyword */)
- : ts.createNodeArray(ts.createModifiersFromModifierFlags(modifierFlags))
- : undefined;
- var fieldModifiers = isInClassLike ? getModifiers(isJS, isStatic, 117 /* PrivateKeyword */) : undefined;
- updateFieldDeclaration(changeTracker, file, declaration, fieldName, fieldModifiers);
- var getAccessor = generateGetAccessor(fieldName, accessorName, type, accessorModifiers, isStatic, container);
- ts.suppressLeadingAndTrailingTrivia(getAccessor);
- insertAccessor(changeTracker, file, getAccessor, declaration, container);
- if (isReadonly) {
- // readonly modifier only existed in classLikeDeclaration
- var constructor = ts.getFirstConstructorWithBody(container);
- if (constructor) {
- updateReadonlyPropertyInitializerStatementConstructor(changeTracker, file, constructor, fieldName.text, originalName);
- }
- }
- else {
- var setAccessor = generateSetAccessor(fieldName, accessorName, type, accessorModifiers, isStatic, container);
- ts.suppressLeadingAndTrailingTrivia(setAccessor);
- insertAccessor(changeTracker, file, setAccessor, declaration, container);
- }
- var edits = changeTracker.getChanges();
- var renameFilename = file.fileName;
- var nameNeedRename = renameAccessor ? accessorName : fieldName;
- var renameLocationOffset = ts.isIdentifier(nameNeedRename) ? 0 : -1;
- var renameLocation = renameLocationOffset + ts.getRenameLocation(edits, renameFilename, nameNeedRename.text, /*preferLastLocation*/ ts.isParameter(declaration));
- return { renameFilename: renameFilename, renameLocation: renameLocation, edits: edits };
- }
- function isConvertibleName(name) {
- return ts.isIdentifier(name) || ts.isStringLiteral(name);
- }
- function isAcceptedDeclaration(node) {
- return ts.isParameterPropertyDeclaration(node, node.parent) || ts.isPropertyDeclaration(node) || ts.isPropertyAssignment(node);
- }
- function createPropertyName(name, originalName) {
- return ts.isIdentifier(originalName) ? ts.createIdentifier(name) : ts.createLiteral(name);
- }
- function createAccessorAccessExpression(fieldName, isStatic, container) {
- var leftHead = isStatic ? container.name : ts.createThis(); // TODO: GH#18217
- return ts.isIdentifier(fieldName) ? ts.createPropertyAccess(leftHead, fieldName) : ts.createElementAccess(leftHead, ts.createLiteral(fieldName));
- }
- function getModifiers(isJS, isStatic, accessModifier) {
- var modifiers = ts.append(!isJS ? [ts.createToken(accessModifier)] : undefined, isStatic ? ts.createToken(120 /* StaticKeyword */) : undefined);
- return modifiers && ts.createNodeArray(modifiers);
- }
- function getConvertibleFieldAtPosition(context) {
- var file = context.file, startPosition = context.startPosition, endPosition = context.endPosition;
- var node = ts.getTokenAtPosition(file, startPosition);
- var declaration = ts.findAncestor(node.parent, isAcceptedDeclaration);
- // make sure declaration have AccessibilityModifier or Static Modifier or Readonly Modifier
- var meaning = 28 /* AccessibilityModifier */ | 32 /* Static */ | 64 /* Readonly */;
- if (!declaration || !ts.nodeOverlapsWithStartEnd(declaration.name, file, startPosition, endPosition) // TODO: GH#18217
- || !isConvertibleName(declaration.name) || (ts.getModifierFlags(declaration) | meaning) !== meaning)
- return undefined;
- var name = declaration.name.text;
- var startWithUnderscore = ts.startsWithUnderscore(name);
- var fieldName = createPropertyName(startWithUnderscore ? name : ts.getUniqueName("_" + name, file), declaration.name);
- var accessorName = createPropertyName(startWithUnderscore ? ts.getUniqueName(name.substring(1), file) : name, declaration.name);
- return {
- isStatic: ts.hasStaticModifier(declaration),
- isReadonly: ts.hasReadonlyModifier(declaration),
- type: ts.getTypeAnnotationNode(declaration),
- container: declaration.kind === 156 /* Parameter */ ? declaration.parent.parent : declaration.parent,
- originalName: declaration.name.text,
- declaration: declaration,
- fieldName: fieldName,
- accessorName: accessorName,
- renameAccessor: startWithUnderscore
- };
- }
- function generateGetAccessor(fieldName, accessorName, type, modifiers, isStatic, container) {
- return ts.createGetAccessor(
- /*decorators*/ undefined, modifiers, accessorName,
- /*parameters*/ undefined, // TODO: GH#18217
- type, ts.createBlock([
- ts.createReturn(createAccessorAccessExpression(fieldName, isStatic, container))
- ], /*multiLine*/ true));
- }
- function generateSetAccessor(fieldName, accessorName, type, modifiers, isStatic, container) {
- return ts.createSetAccessor(
- /*decorators*/ undefined, modifiers, accessorName, [ts.createParameter(
- /*decorators*/ undefined,
- /*modifiers*/ undefined,
- /*dotDotDotToken*/ undefined, ts.createIdentifier("value"),
- /*questionToken*/ undefined, type)], ts.createBlock([
- ts.createStatement(ts.createAssignment(createAccessorAccessExpression(fieldName, isStatic, container), ts.createIdentifier("value")))
- ], /*multiLine*/ true));
- }
- function updatePropertyDeclaration(changeTracker, file, declaration, fieldName, modifiers) {
- var property = ts.updateProperty(declaration, declaration.decorators, modifiers, fieldName, declaration.questionToken || declaration.exclamationToken, declaration.type, declaration.initializer);
- changeTracker.replaceNode(file, declaration, property);
- }
- function updatePropertyAssignmentDeclaration(changeTracker, file, declaration, fieldName) {
- var assignment = ts.updatePropertyAssignment(declaration, fieldName, declaration.initializer);
- changeTracker.replacePropertyAssignment(file, declaration, assignment);
- }
- function updateFieldDeclaration(changeTracker, file, declaration, fieldName, modifiers) {
- if (ts.isPropertyDeclaration(declaration)) {
- updatePropertyDeclaration(changeTracker, file, declaration, fieldName, modifiers);
- }
- else if (ts.isPropertyAssignment(declaration)) {
- updatePropertyAssignmentDeclaration(changeTracker, file, declaration, fieldName);
- }
- else {
- changeTracker.replaceNode(file, declaration, ts.updateParameter(declaration, declaration.decorators, modifiers, declaration.dotDotDotToken, ts.cast(fieldName, ts.isIdentifier), declaration.questionToken, declaration.type, declaration.initializer));
- }
- }
- function insertAccessor(changeTracker, file, accessor, declaration, container) {
- ts.isParameterPropertyDeclaration(declaration, declaration.parent) ? changeTracker.insertNodeAtClassStart(file, container, accessor) :
- ts.isPropertyAssignment(declaration) ? changeTracker.insertNodeAfterComma(file, declaration, accessor) :
- changeTracker.insertNodeAfter(file, declaration, accessor);
- }
- function updateReadonlyPropertyInitializerStatementConstructor(changeTracker, file, constructor, fieldName, originalName) {
- if (!constructor.body)
- return;
- constructor.body.forEachChild(function recur(node) {
- if (ts.isElementAccessExpression(node) &&
- node.expression.kind === 104 /* ThisKeyword */ &&
- ts.isStringLiteral(node.argumentExpression) &&
- node.argumentExpression.text === originalName &&
- ts.isWriteAccess(node)) {
- changeTracker.replaceNode(file, node.argumentExpression, ts.createStringLiteral(fieldName));
- }
- if (ts.isPropertyAccessExpression(node) && node.expression.kind === 104 /* ThisKeyword */ && node.name.text === originalName && ts.isWriteAccess(node)) {
- changeTracker.replaceNode(file, node.name, ts.createIdentifier(fieldName));
- }
- if (!ts.isFunctionLike(node) && !ts.isClassLike(node)) {
- node.forEachChild(recur);
- }
- });
- }
- })(generateGetAccessorAndSetAccessor = refactor.generateGetAccessorAndSetAccessor || (refactor.generateGetAccessorAndSetAccessor = {}));
- })(refactor = ts.refactor || (ts.refactor = {}));
-})(ts || (ts = {}));
-/* @internal */
-var ts;
-(function (ts) {
- var refactor;
- (function (refactor) {
- var refactorName = "Move to a new file";
- refactor.registerRefactor(refactorName, {
- getAvailableActions: function (context) {
- if (!context.preferences.allowTextChangesInNewFiles || getStatementsToMove(context) === undefined)
- return ts.emptyArray;
- var description = ts.getLocaleSpecificMessage(ts.Diagnostics.Move_to_a_new_file);
- return [{ name: refactorName, description: description, actions: [{ name: refactorName, description: description }] }];
- },
- getEditsForAction: function (context, actionName) {
- ts.Debug.assert(actionName === refactorName, "Wrong refactor invoked");
- var statements = ts.Debug.checkDefined(getStatementsToMove(context));
- var edits = ts.textChanges.ChangeTracker.with(context, function (t) { return doChange(context.file, context.program, statements, t, context.host, context.preferences); });
- return { edits: edits, renameFilename: undefined, renameLocation: undefined };
- }
- });
- function getRangeToMove(context) {
- var file = context.file;
- var range = ts.createTextRangeFromSpan(ts.getRefactorContextSpan(context));
- var statements = file.statements;
- var startNodeIndex = ts.findIndex(statements, function (s) { return s.end > range.pos; });
- if (startNodeIndex === -1)
- return undefined;
- var startStatement = statements[startNodeIndex];
- if (ts.isNamedDeclaration(startStatement) && startStatement.name && ts.rangeContainsRange(startStatement.name, range)) {
- return { toMove: [statements[startNodeIndex]], afterLast: statements[startNodeIndex + 1] };
- }
- // Can't only partially include the start node or be partially into the next node
- if (range.pos > startStatement.getStart(file))
- return undefined;
- var afterEndNodeIndex = ts.findIndex(statements, function (s) { return s.end > range.end; }, startNodeIndex);
- // Can't be partially into the next node
- if (afterEndNodeIndex !== -1 && (afterEndNodeIndex === 0 || statements[afterEndNodeIndex].getStart(file) < range.end))
- return undefined;
- return {
- toMove: statements.slice(startNodeIndex, afterEndNodeIndex === -1 ? statements.length : afterEndNodeIndex),
- afterLast: afterEndNodeIndex === -1 ? undefined : statements[afterEndNodeIndex],
- };
- }
- function doChange(oldFile, program, toMove, changes, host, preferences) {
- var checker = program.getTypeChecker();
- var usage = getUsageInfo(oldFile, toMove.all, checker);
- var currentDirectory = ts.getDirectoryPath(oldFile.fileName);
- var extension = ts.extensionFromPath(oldFile.fileName);
- var newModuleName = makeUniqueModuleName(getNewModuleName(usage.movedSymbols), extension, currentDirectory, host);
- var newFileNameWithExtension = newModuleName + extension;
- // If previous file was global, this is easy.
- changes.createNewFile(oldFile, ts.combinePaths(currentDirectory, newFileNameWithExtension), getNewStatementsAndRemoveFromOldFile(oldFile, usage, changes, toMove, program, newModuleName, preferences));
- addNewFileToTsconfig(program, changes, oldFile.fileName, newFileNameWithExtension, ts.hostGetCanonicalFileName(host));
- }
- // Filters imports out of the range of statements to move. Imports will be copied to the new file anyway, and may still be needed in the old file.
- function getStatementsToMove(context) {
- var rangeToMove = getRangeToMove(context);
- if (rangeToMove === undefined)
- return undefined;
- var all = [];
- var ranges = [];
- var toMove = rangeToMove.toMove, afterLast = rangeToMove.afterLast;
- ts.getRangesWhere(toMove, function (s) { return !isPureImport(s); }, function (start, afterEndIndex) {
- for (var i = start; i < afterEndIndex; i++)
- all.push(toMove[i]);
- ranges.push({ first: toMove[start], afterLast: afterLast });
- });
- return all.length === 0 ? undefined : { all: all, ranges: ranges };
- }
- function isPureImport(node) {
- switch (node.kind) {
- case 254 /* ImportDeclaration */:
- return true;
- case 253 /* ImportEqualsDeclaration */:
- return !ts.hasModifier(node, 1 /* Export */);
- case 225 /* VariableStatement */:
- return node.declarationList.declarations.every(function (d) { return !!d.initializer && ts.isRequireCall(d.initializer, /*checkArgumentIsStringLiteralLike*/ true); });
- default:
- return false;
- }
- }
- function addNewFileToTsconfig(program, changes, oldFileName, newFileNameWithExtension, getCanonicalFileName) {
- var cfg = program.getCompilerOptions().configFile;
- if (!cfg)
- return;
- var newFileAbsolutePath = ts.normalizePath(ts.combinePaths(oldFileName, "..", newFileNameWithExtension));
- var newFilePath = ts.getRelativePathFromFile(cfg.fileName, newFileAbsolutePath, getCanonicalFileName);
- var cfgObject = cfg.statements[0] && ts.tryCast(cfg.statements[0].expression, ts.isObjectLiteralExpression);
- var filesProp = cfgObject && ts.find(cfgObject.properties, function (prop) {
- return ts.isPropertyAssignment(prop) && ts.isStringLiteral(prop.name) && prop.name.text === "files";
- });
- if (filesProp && ts.isArrayLiteralExpression(filesProp.initializer)) {
- changes.insertNodeInListAfter(cfg, ts.last(filesProp.initializer.elements), ts.createLiteral(newFilePath), filesProp.initializer.elements);
- }
- }
- function getNewStatementsAndRemoveFromOldFile(oldFile, usage, changes, toMove, program, newModuleName, preferences) {
- var checker = program.getTypeChecker();
- if (!oldFile.externalModuleIndicator && !oldFile.commonJsModuleIndicator) {
- deleteMovedStatements(oldFile, toMove.ranges, changes);
- return toMove.all;
- }
- var useEs6ModuleSyntax = !!oldFile.externalModuleIndicator;
- var quotePreference = ts.getQuotePreference(oldFile, preferences);
- var importsFromNewFile = createOldFileImportsFromNewFile(usage.oldFileImportsFromNewFile, newModuleName, useEs6ModuleSyntax, quotePreference);
- if (importsFromNewFile) {
- ts.insertImports(changes, oldFile, importsFromNewFile, /*blankLineBetween*/ true);
- }
- deleteUnusedOldImports(oldFile, toMove.all, changes, usage.unusedImportsFromOldFile, checker);
- deleteMovedStatements(oldFile, toMove.ranges, changes);
- updateImportsInOtherFiles(changes, program, oldFile, usage.movedSymbols, newModuleName);
- return __spreadArrays(getNewFileImportsAndAddExportInOldFile(oldFile, usage.oldImportsNeededByNewFile, usage.newFileImportsFromOldFile, changes, checker, useEs6ModuleSyntax, quotePreference), addExports(oldFile, toMove.all, usage.oldFileImportsFromNewFile, useEs6ModuleSyntax));
- }
- function deleteMovedStatements(sourceFile, moved, changes) {
- for (var _i = 0, moved_1 = moved; _i < moved_1.length; _i++) {
- var _a = moved_1[_i], first_1 = _a.first, afterLast = _a.afterLast;
- changes.deleteNodeRangeExcludingEnd(sourceFile, first_1, afterLast);
- }
- }
- function deleteUnusedOldImports(oldFile, toMove, changes, toDelete, checker) {
- for (var _i = 0, _a = oldFile.statements; _i < _a.length; _i++) {
- var statement = _a[_i];
- if (ts.contains(toMove, statement))
- continue;
- forEachImportInStatement(statement, function (i) { return deleteUnusedImports(oldFile, i, changes, function (name) { return toDelete.has(checker.getSymbolAtLocation(name)); }); });
- }
- }
- function updateImportsInOtherFiles(changes, program, oldFile, movedSymbols, newModuleName) {
- var checker = program.getTypeChecker();
- var _loop_17 = function (sourceFile) {
- if (sourceFile === oldFile)
- return "continue";
- var _loop_18 = function (statement) {
- forEachImportInStatement(statement, function (importNode) {
- if (checker.getSymbolAtLocation(moduleSpecifierFromImport(importNode)) !== oldFile.symbol)
- return;
- var shouldMove = function (name) {
- var symbol = ts.isBindingElement(name.parent)
- ? ts.getPropertySymbolFromBindingElement(checker, name.parent)
- : ts.skipAlias(checker.getSymbolAtLocation(name), checker); // TODO: GH#18217
- return !!symbol && movedSymbols.has(symbol);
- };
- deleteUnusedImports(sourceFile, importNode, changes, shouldMove); // These will be changed to imports from the new file
- var newModuleSpecifier = ts.combinePaths(ts.getDirectoryPath(moduleSpecifierFromImport(importNode).text), newModuleName);
- var newImportDeclaration = filterImport(importNode, ts.createLiteral(newModuleSpecifier), shouldMove);
- if (newImportDeclaration)
- changes.insertNodeAfter(sourceFile, statement, newImportDeclaration);
- var ns = getNamespaceLikeImport(importNode);
- if (ns)
- updateNamespaceLikeImport(changes, sourceFile, checker, movedSymbols, newModuleName, newModuleSpecifier, ns, importNode);
- });
- };
- for (var _i = 0, _a = sourceFile.statements; _i < _a.length; _i++) {
- var statement = _a[_i];
- _loop_18(statement);
- }
- };
- for (var _i = 0, _a = program.getSourceFiles(); _i < _a.length; _i++) {
- var sourceFile = _a[_i];
- _loop_17(sourceFile);
- }
- }
- function getNamespaceLikeImport(node) {
- switch (node.kind) {
- case 254 /* ImportDeclaration */:
- return node.importClause && node.importClause.namedBindings && node.importClause.namedBindings.kind === 256 /* NamespaceImport */ ?
- node.importClause.namedBindings.name : undefined;
- case 253 /* ImportEqualsDeclaration */:
- return node.name;
- case 242 /* VariableDeclaration */:
- return ts.tryCast(node.name, ts.isIdentifier);
- default:
- return ts.Debug.assertNever(node, "Unexpected node kind " + node.kind);
- }
- }
- function updateNamespaceLikeImport(changes, sourceFile, checker, movedSymbols, newModuleName, newModuleSpecifier, oldImportId, oldImportNode) {
- var preferredNewNamespaceName = ts.codefix.moduleSpecifierToValidIdentifier(newModuleName, 99 /* ESNext */);
- var needUniqueName = false;
- var toChange = [];
- ts.FindAllReferences.Core.eachSymbolReferenceInFile(oldImportId, checker, sourceFile, function (ref) {
- if (!ts.isPropertyAccessExpression(ref.parent))
- return;
- needUniqueName = needUniqueName || !!checker.resolveName(preferredNewNamespaceName, ref, 67108863 /* All */, /*excludeGlobals*/ true);
- if (movedSymbols.has(checker.getSymbolAtLocation(ref.parent.name))) {
- toChange.push(ref);
- }
- });
- if (toChange.length) {
- var newNamespaceName = needUniqueName ? ts.getUniqueName(preferredNewNamespaceName, sourceFile) : preferredNewNamespaceName;
- for (var _i = 0, toChange_1 = toChange; _i < toChange_1.length; _i++) {
- var ref = toChange_1[_i];
- changes.replaceNode(sourceFile, ref, ts.createIdentifier(newNamespaceName));
- }
- changes.insertNodeAfter(sourceFile, oldImportNode, updateNamespaceLikeImportNode(oldImportNode, newModuleName, newModuleSpecifier));
- }
- }
- function updateNamespaceLikeImportNode(node, newNamespaceName, newModuleSpecifier) {
- var newNamespaceId = ts.createIdentifier(newNamespaceName);
- var newModuleString = ts.createLiteral(newModuleSpecifier);
- switch (node.kind) {
- case 254 /* ImportDeclaration */:
- return ts.createImportDeclaration(
- /*decorators*/ undefined, /*modifiers*/ undefined, ts.createImportClause(/*name*/ undefined, ts.createNamespaceImport(newNamespaceId)), newModuleString);
- case 253 /* ImportEqualsDeclaration */:
- return ts.createImportEqualsDeclaration(/*decorators*/ undefined, /*modifiers*/ undefined, newNamespaceId, ts.createExternalModuleReference(newModuleString));
- case 242 /* VariableDeclaration */:
- return ts.createVariableDeclaration(newNamespaceId, /*type*/ undefined, createRequireCall(newModuleString));
- default:
- return ts.Debug.assertNever(node, "Unexpected node kind " + node.kind);
- }
- }
- function moduleSpecifierFromImport(i) {
- return (i.kind === 254 /* ImportDeclaration */ ? i.moduleSpecifier
- : i.kind === 253 /* ImportEqualsDeclaration */ ? i.moduleReference.expression
- : i.initializer.arguments[0]);
- }
- function forEachImportInStatement(statement, cb) {
- if (ts.isImportDeclaration(statement)) {
- if (ts.isStringLiteral(statement.moduleSpecifier))
- cb(statement);
- }
- else if (ts.isImportEqualsDeclaration(statement)) {
- if (ts.isExternalModuleReference(statement.moduleReference) && ts.isStringLiteralLike(statement.moduleReference.expression)) {
- cb(statement);
- }
- }
- else if (ts.isVariableStatement(statement)) {
- for (var _i = 0, _a = statement.declarationList.declarations; _i < _a.length; _i++) {
- var decl = _a[_i];
- if (decl.initializer && ts.isRequireCall(decl.initializer, /*checkArgumentIsStringLiteralLike*/ true)) {
- cb(decl);
- }
- }
- }
- }
- function createOldFileImportsFromNewFile(newFileNeedExport, newFileNameWithExtension, useEs6Imports, quotePreference) {
- var defaultImport;
- var imports = [];
- newFileNeedExport.forEach(function (symbol) {
- if (symbol.escapedName === "default" /* Default */) {
- defaultImport = ts.createIdentifier(ts.symbolNameNoDefault(symbol)); // TODO: GH#18217
- }
- else {
- imports.push(symbol.name);
- }
- });
- return makeImportOrRequire(defaultImport, imports, newFileNameWithExtension, useEs6Imports, quotePreference);
- }
- function makeImportOrRequire(defaultImport, imports, path, useEs6Imports, quotePreference) {
- path = ts.ensurePathIsNonModuleName(path);
- if (useEs6Imports) {
- var specifiers = imports.map(function (i) { return ts.createImportSpecifier(/*propertyName*/ undefined, ts.createIdentifier(i)); });
- return ts.makeImportIfNecessary(defaultImport, specifiers, path, quotePreference);
- }
- else {
- ts.Debug.assert(!defaultImport, "No default import should exist"); // If there's a default export, it should have been an es6 module.
- var bindingElements = imports.map(function (i) { return ts.createBindingElement(/*dotDotDotToken*/ undefined, /*propertyName*/ undefined, i); });
- return bindingElements.length
- ? makeVariableStatement(ts.createObjectBindingPattern(bindingElements), /*type*/ undefined, createRequireCall(ts.createLiteral(path)))
- : undefined;
- }
- }
- function makeVariableStatement(name, type, initializer, flags) {
- if (flags === void 0) { flags = 2 /* Const */; }
- return ts.createVariableStatement(/*modifiers*/ undefined, ts.createVariableDeclarationList([ts.createVariableDeclaration(name, type, initializer)], flags));
- }
- function createRequireCall(moduleSpecifier) {
- return ts.createCall(ts.createIdentifier("require"), /*typeArguments*/ undefined, [moduleSpecifier]);
- }
- function addExports(sourceFile, toMove, needExport, useEs6Exports) {
- return ts.flatMap(toMove, function (statement) {
- if (isTopLevelDeclarationStatement(statement) &&
- !isExported(sourceFile, statement, useEs6Exports) &&
- forEachTopLevelDeclaration(statement, function (d) { return needExport.has(ts.Debug.checkDefined(d.symbol)); })) {
- var exports = addExport(statement, useEs6Exports);
- if (exports)
- return exports;
- }
- return statement;
- });
- }
- function deleteUnusedImports(sourceFile, importDecl, changes, isUnused) {
- switch (importDecl.kind) {
- case 254 /* ImportDeclaration */:
- deleteUnusedImportsInDeclaration(sourceFile, importDecl, changes, isUnused);
- break;
- case 253 /* ImportEqualsDeclaration */:
- if (isUnused(importDecl.name)) {
- changes.delete(sourceFile, importDecl);
- }
- break;
- case 242 /* VariableDeclaration */:
- deleteUnusedImportsInVariableDeclaration(sourceFile, importDecl, changes, isUnused);
- break;
- default:
- ts.Debug.assertNever(importDecl, "Unexpected import decl kind " + importDecl.kind);
- }
- }
- function deleteUnusedImportsInDeclaration(sourceFile, importDecl, changes, isUnused) {
- if (!importDecl.importClause)
- return;
- var _a = importDecl.importClause, name = _a.name, namedBindings = _a.namedBindings;
- var defaultUnused = !name || isUnused(name);
- var namedBindingsUnused = !namedBindings ||
- (namedBindings.kind === 256 /* NamespaceImport */ ? isUnused(namedBindings.name) : namedBindings.elements.length !== 0 && namedBindings.elements.every(function (e) { return isUnused(e.name); }));
- if (defaultUnused && namedBindingsUnused) {
- changes.delete(sourceFile, importDecl);
- }
- else {
- if (name && defaultUnused) {
- changes.delete(sourceFile, name);
- }
- if (namedBindings) {
- if (namedBindingsUnused) {
- changes.replaceNode(sourceFile, importDecl.importClause, ts.updateImportClause(importDecl.importClause, name, /*namedBindings*/ undefined, importDecl.importClause.isTypeOnly));
- }
- else if (namedBindings.kind === 257 /* NamedImports */) {
- for (var _i = 0, _b = namedBindings.elements; _i < _b.length; _i++) {
- var element = _b[_i];
- if (isUnused(element.name))
- changes.delete(sourceFile, element);
- }
- }
- }
- }
- }
- function deleteUnusedImportsInVariableDeclaration(sourceFile, varDecl, changes, isUnused) {
- var name = varDecl.name;
- switch (name.kind) {
- case 75 /* Identifier */:
- if (isUnused(name)) {
- changes.delete(sourceFile, name);
- }
- break;
- case 190 /* ArrayBindingPattern */:
- break;
- case 189 /* ObjectBindingPattern */:
- if (name.elements.every(function (e) { return ts.isIdentifier(e.name) && isUnused(e.name); })) {
- changes.delete(sourceFile, ts.isVariableDeclarationList(varDecl.parent) && varDecl.parent.declarations.length === 1 ? varDecl.parent.parent : varDecl);
- }
- else {
- for (var _i = 0, _a = name.elements; _i < _a.length; _i++) {
- var element = _a[_i];
- if (ts.isIdentifier(element.name) && isUnused(element.name)) {
- changes.delete(sourceFile, element.name);
- }
- }
- }
- break;
- }
- }
- function getNewFileImportsAndAddExportInOldFile(oldFile, importsToCopy, newFileImportsFromOldFile, changes, checker, useEs6ModuleSyntax, quotePreference) {
- var copiedOldImports = [];
- for (var _i = 0, _a = oldFile.statements; _i < _a.length; _i++) {
- var oldStatement = _a[_i];
- forEachImportInStatement(oldStatement, function (i) {
- ts.append(copiedOldImports, filterImport(i, moduleSpecifierFromImport(i), function (name) { return importsToCopy.has(checker.getSymbolAtLocation(name)); }));
- });
- }
- // Also, import things used from the old file, and insert 'export' modifiers as necessary in the old file.
- var oldFileDefault;
- var oldFileNamedImports = [];
- var markSeenTop = ts.nodeSeenTracker(); // Needed because multiple declarations may appear in `const x = 0, y = 1;`.
- newFileImportsFromOldFile.forEach(function (symbol) {
- for (var _i = 0, _a = symbol.declarations; _i < _a.length; _i++) {
- var decl = _a[_i];
- if (!isTopLevelDeclaration(decl))
- continue;
- var name = nameOfTopLevelDeclaration(decl);
- if (!name)
- continue;
- var top = getTopLevelDeclarationStatement(decl);
- if (markSeenTop(top)) {
- addExportToChanges(oldFile, top, changes, useEs6ModuleSyntax);
- }
- if (ts.hasModifier(decl, 512 /* Default */)) {
- oldFileDefault = name;
- }
- else {
- oldFileNamedImports.push(name.text);
- }
- }
- });
- ts.append(copiedOldImports, makeImportOrRequire(oldFileDefault, oldFileNamedImports, ts.removeFileExtension(ts.getBaseFileName(oldFile.fileName)), useEs6ModuleSyntax, quotePreference));
- return copiedOldImports;
- }
- function makeUniqueModuleName(moduleName, extension, inDirectory, host) {
- var newModuleName = moduleName;
- for (var i = 1;; i++) {
- var name = ts.combinePaths(inDirectory, newModuleName + extension);
- if (!host.fileExists(name))
- return newModuleName; // TODO: GH#18217
- newModuleName = moduleName + "." + i;
- }
- }
- function getNewModuleName(movedSymbols) {
- return movedSymbols.forEachEntry(ts.symbolNameNoDefault) || "newFile";
- }
- function getUsageInfo(oldFile, toMove, checker) {
- var movedSymbols = new SymbolSet();
- var oldImportsNeededByNewFile = new SymbolSet();
- var newFileImportsFromOldFile = new SymbolSet();
- var containsJsx = ts.find(toMove, function (statement) { return !!(statement.transformFlags & 2 /* ContainsJsx */); });
- var jsxNamespaceSymbol = getJsxNamespaceSymbol(containsJsx);
- if (jsxNamespaceSymbol) { // Might not exist (e.g. in non-compiling code)
- oldImportsNeededByNewFile.add(jsxNamespaceSymbol);
- }
- for (var _i = 0, toMove_1 = toMove; _i < toMove_1.length; _i++) {
- var statement = toMove_1[_i];
- forEachTopLevelDeclaration(statement, function (decl) {
- movedSymbols.add(ts.Debug.checkDefined(ts.isExpressionStatement(decl) ? checker.getSymbolAtLocation(decl.expression.left) : decl.symbol, "Need a symbol here"));
- });
- }
- for (var _a = 0, toMove_2 = toMove; _a < toMove_2.length; _a++) {
- var statement = toMove_2[_a];
- forEachReference(statement, checker, function (symbol) {
- if (!symbol.declarations)
- return;
- for (var _i = 0, _a = symbol.declarations; _i < _a.length; _i++) {
- var decl = _a[_i];
- if (isInImport(decl)) {
- oldImportsNeededByNewFile.add(symbol);
- }
- else if (isTopLevelDeclaration(decl) && sourceFileOfTopLevelDeclaration(decl) === oldFile && !movedSymbols.has(symbol)) {
- newFileImportsFromOldFile.add(symbol);
- }
- }
- });
- }
- var unusedImportsFromOldFile = oldImportsNeededByNewFile.clone();
- var oldFileImportsFromNewFile = new SymbolSet();
- for (var _b = 0, _c = oldFile.statements; _b < _c.length; _b++) {
- var statement = _c[_b];
- if (ts.contains(toMove, statement))
- continue;
- // jsxNamespaceSymbol will only be set iff it is in oldImportsNeededByNewFile.
- if (jsxNamespaceSymbol && !!(statement.transformFlags & 2 /* ContainsJsx */)) {
- unusedImportsFromOldFile.delete(jsxNamespaceSymbol);
- }
- forEachReference(statement, checker, function (symbol) {
- if (movedSymbols.has(symbol))
- oldFileImportsFromNewFile.add(symbol);
- unusedImportsFromOldFile.delete(symbol);
- });
- }
- return { movedSymbols: movedSymbols, newFileImportsFromOldFile: newFileImportsFromOldFile, oldFileImportsFromNewFile: oldFileImportsFromNewFile, oldImportsNeededByNewFile: oldImportsNeededByNewFile, unusedImportsFromOldFile: unusedImportsFromOldFile };
- function getJsxNamespaceSymbol(containsJsx) {
- if (containsJsx === undefined) {
- return undefined;
- }
- var jsxNamespace = checker.getJsxNamespace(containsJsx);
- // Strictly speaking, this could resolve to a symbol other than the JSX namespace.
- // This will produce erroneous output (probably, an incorrectly copied import) but
- // is expected to be very rare and easily reversible.
- var jsxNamespaceSymbol = checker.resolveName(jsxNamespace, containsJsx, 1920 /* Namespace */, /*excludeGlobals*/ true);
- return !!jsxNamespaceSymbol && ts.some(jsxNamespaceSymbol.declarations, isInImport)
- ? jsxNamespaceSymbol
- : undefined;
- }
- }
- // Below should all be utilities
- function isInImport(decl) {
- switch (decl.kind) {
- case 253 /* ImportEqualsDeclaration */:
- case 258 /* ImportSpecifier */:
- case 255 /* ImportClause */:
- case 256 /* NamespaceImport */:
- return true;
- case 242 /* VariableDeclaration */:
- return isVariableDeclarationInImport(decl);
- case 191 /* BindingElement */:
- return ts.isVariableDeclaration(decl.parent.parent) && isVariableDeclarationInImport(decl.parent.parent);
- default:
- return false;
- }
- }
- function isVariableDeclarationInImport(decl) {
- return ts.isSourceFile(decl.parent.parent.parent) &&
- !!decl.initializer && ts.isRequireCall(decl.initializer, /*checkArgumentIsStringLiteralLike*/ true);
- }
- function filterImport(i, moduleSpecifier, keep) {
- switch (i.kind) {
- case 254 /* ImportDeclaration */: {
- var clause = i.importClause;
- if (!clause)
- return undefined;
- var defaultImport = clause.name && keep(clause.name) ? clause.name : undefined;
- var namedBindings = clause.namedBindings && filterNamedBindings(clause.namedBindings, keep);
- return defaultImport || namedBindings
- ? ts.createImportDeclaration(/*decorators*/ undefined, /*modifiers*/ undefined, ts.createImportClause(defaultImport, namedBindings), moduleSpecifier)
- : undefined;
- }
- case 253 /* ImportEqualsDeclaration */:
- return keep(i.name) ? i : undefined;
- case 242 /* VariableDeclaration */: {
- var name = filterBindingName(i.name, keep);
- return name ? makeVariableStatement(name, i.type, createRequireCall(moduleSpecifier), i.parent.flags) : undefined;
- }
- default:
- return ts.Debug.assertNever(i, "Unexpected import kind " + i.kind);
- }
- }
- function filterNamedBindings(namedBindings, keep) {
- if (namedBindings.kind === 256 /* NamespaceImport */) {
- return keep(namedBindings.name) ? namedBindings : undefined;
- }
- else {
- var newElements = namedBindings.elements.filter(function (e) { return keep(e.name); });
- return newElements.length ? ts.createNamedImports(newElements) : undefined;
- }
- }
- function filterBindingName(name, keep) {
- switch (name.kind) {
- case 75 /* Identifier */:
- return keep(name) ? name : undefined;
- case 190 /* ArrayBindingPattern */:
- return name;
- case 189 /* ObjectBindingPattern */: {
- // We can't handle nested destructurings or property names well here, so just copy them all.
- var newElements = name.elements.filter(function (prop) { return prop.propertyName || !ts.isIdentifier(prop.name) || keep(prop.name); });
- return newElements.length ? ts.createObjectBindingPattern(newElements) : undefined;
- }
- }
- }
- function forEachReference(node, checker, onReference) {
- node.forEachChild(function cb(node) {
- if (ts.isIdentifier(node) && !ts.isDeclarationName(node)) {
- var sym = checker.getSymbolAtLocation(node);
- if (sym)
- onReference(sym);
- }
- else {
- node.forEachChild(cb);
- }
- });
- }
- var SymbolSet = /** @class */ (function () {
- function SymbolSet() {
- this.map = ts.createMap();
- }
- SymbolSet.prototype.add = function (symbol) {
- this.map.set(String(ts.getSymbolId(symbol)), symbol);
- };
- SymbolSet.prototype.has = function (symbol) {
- return this.map.has(String(ts.getSymbolId(symbol)));
- };
- SymbolSet.prototype.delete = function (symbol) {
- this.map.delete(String(ts.getSymbolId(symbol)));
- };
- SymbolSet.prototype.forEach = function (cb) {
- this.map.forEach(cb);
- };
- SymbolSet.prototype.forEachEntry = function (cb) {
- return ts.forEachEntry(this.map, cb);
- };
- SymbolSet.prototype.clone = function () {
- var clone = new SymbolSet();
- ts.copyEntries(this.map, clone.map);
- return clone;
- };
- return SymbolSet;
- }());
- function isTopLevelDeclaration(node) {
- return isNonVariableTopLevelDeclaration(node) && ts.isSourceFile(node.parent) || ts.isVariableDeclaration(node) && ts.isSourceFile(node.parent.parent.parent);
- }
- function sourceFileOfTopLevelDeclaration(node) {
- return ts.isVariableDeclaration(node) ? node.parent.parent.parent : node.parent;
- }
- function isTopLevelDeclarationStatement(node) {
- ts.Debug.assert(ts.isSourceFile(node.parent), "Node parent should be a SourceFile");
- return isNonVariableTopLevelDeclaration(node) || ts.isVariableStatement(node);
- }
- function isNonVariableTopLevelDeclaration(node) {
- switch (node.kind) {
- case 244 /* FunctionDeclaration */:
- case 245 /* ClassDeclaration */:
- case 249 /* ModuleDeclaration */:
- case 248 /* EnumDeclaration */:
- case 247 /* TypeAliasDeclaration */:
- case 246 /* InterfaceDeclaration */:
- case 253 /* ImportEqualsDeclaration */:
- return true;
- default:
- return false;
- }
- }
- function forEachTopLevelDeclaration(statement, cb) {
- switch (statement.kind) {
- case 244 /* FunctionDeclaration */:
- case 245 /* ClassDeclaration */:
- case 249 /* ModuleDeclaration */:
- case 248 /* EnumDeclaration */:
- case 247 /* TypeAliasDeclaration */:
- case 246 /* InterfaceDeclaration */:
- case 253 /* ImportEqualsDeclaration */:
- return cb(statement);
- case 225 /* VariableStatement */:
- return ts.firstDefined(statement.declarationList.declarations, function (decl) { return forEachTopLevelDeclarationInBindingName(decl.name, cb); });
- case 226 /* ExpressionStatement */: {
- var expression = statement.expression;
- return ts.isBinaryExpression(expression) && ts.getAssignmentDeclarationKind(expression) === 1 /* ExportsProperty */
- ? cb(statement)
- : undefined;
- }
- }
- }
- function forEachTopLevelDeclarationInBindingName(name, cb) {
- switch (name.kind) {
- case 75 /* Identifier */:
- return cb(ts.cast(name.parent, function (x) { return ts.isVariableDeclaration(x) || ts.isBindingElement(x); }));
- case 190 /* ArrayBindingPattern */:
- case 189 /* ObjectBindingPattern */:
- return ts.firstDefined(name.elements, function (em) { return ts.isOmittedExpression(em) ? undefined : forEachTopLevelDeclarationInBindingName(em.name, cb); });
- default:
- return ts.Debug.assertNever(name, "Unexpected name kind " + name.kind);
- }
- }
- function nameOfTopLevelDeclaration(d) {
- return ts.isExpressionStatement(d) ? ts.tryCast(d.expression.left.name, ts.isIdentifier) : ts.tryCast(d.name, ts.isIdentifier);
- }
- function getTopLevelDeclarationStatement(d) {
- switch (d.kind) {
- case 242 /* VariableDeclaration */:
- return d.parent.parent;
- case 191 /* BindingElement */:
- return getTopLevelDeclarationStatement(ts.cast(d.parent.parent, function (p) { return ts.isVariableDeclaration(p) || ts.isBindingElement(p); }));
- default:
- return d;
- }
- }
- function addExportToChanges(sourceFile, decl, changes, useEs6Exports) {
- if (isExported(sourceFile, decl, useEs6Exports))
- return;
- if (useEs6Exports) {
- if (!ts.isExpressionStatement(decl))
- changes.insertExportModifier(sourceFile, decl);
- }
- else {
- var names = getNamesToExportInCommonJS(decl);
- if (names.length !== 0)
- changes.insertNodesAfter(sourceFile, decl, names.map(createExportAssignment));
- }
- }
- function isExported(sourceFile, decl, useEs6Exports) {
- if (useEs6Exports) {
- return !ts.isExpressionStatement(decl) && ts.hasModifier(decl, 1 /* Export */);
- }
- else {
- return getNamesToExportInCommonJS(decl).some(function (name) { return sourceFile.symbol.exports.has(ts.escapeLeadingUnderscores(name)); });
- }
- }
- function addExport(decl, useEs6Exports) {
- return useEs6Exports ? [addEs6Export(decl)] : addCommonjsExport(decl);
- }
- function addEs6Export(d) {
- var modifiers = ts.concatenate([ts.createModifier(89 /* ExportKeyword */)], d.modifiers);
- switch (d.kind) {
- case 244 /* FunctionDeclaration */:
- return ts.updateFunctionDeclaration(d, d.decorators, modifiers, d.asteriskToken, d.name, d.typeParameters, d.parameters, d.type, d.body);
- case 245 /* ClassDeclaration */:
- return ts.updateClassDeclaration(d, d.decorators, modifiers, d.name, d.typeParameters, d.heritageClauses, d.members);
- case 225 /* VariableStatement */:
- return ts.updateVariableStatement(d, modifiers, d.declarationList);
- case 249 /* ModuleDeclaration */:
- return ts.updateModuleDeclaration(d, d.decorators, modifiers, d.name, d.body);
- case 248 /* EnumDeclaration */:
- return ts.updateEnumDeclaration(d, d.decorators, modifiers, d.name, d.members);
- case 247 /* TypeAliasDeclaration */:
- return ts.updateTypeAliasDeclaration(d, d.decorators, modifiers, d.name, d.typeParameters, d.type);
- case 246 /* InterfaceDeclaration */:
- return ts.updateInterfaceDeclaration(d, d.decorators, modifiers, d.name, d.typeParameters, d.heritageClauses, d.members);
- case 253 /* ImportEqualsDeclaration */:
- return ts.updateImportEqualsDeclaration(d, d.decorators, modifiers, d.name, d.moduleReference);
- case 226 /* ExpressionStatement */:
- return ts.Debug.fail(); // Shouldn't try to add 'export' keyword to `exports.x = ...`
- default:
- return ts.Debug.assertNever(d, "Unexpected declaration kind " + d.kind);
- }
- }
- function addCommonjsExport(decl) {
- return __spreadArrays([decl], getNamesToExportInCommonJS(decl).map(createExportAssignment));
- }
- function getNamesToExportInCommonJS(decl) {
- switch (decl.kind) {
- case 244 /* FunctionDeclaration */:
- case 245 /* ClassDeclaration */:
- return [decl.name.text]; // TODO: GH#18217
- case 225 /* VariableStatement */:
- return ts.mapDefined(decl.declarationList.declarations, function (d) { return ts.isIdentifier(d.name) ? d.name.text : undefined; });
- case 249 /* ModuleDeclaration */:
- case 248 /* EnumDeclaration */:
- case 247 /* TypeAliasDeclaration */:
- case 246 /* InterfaceDeclaration */:
- case 253 /* ImportEqualsDeclaration */:
- return ts.emptyArray;
- case 226 /* ExpressionStatement */:
- return ts.Debug.fail("Can't export an ExpressionStatement"); // Shouldn't try to add 'export' keyword to `exports.x = ...`
- default:
- return ts.Debug.assertNever(decl, "Unexpected decl kind " + decl.kind);
- }
- }
- /** Creates `exports.x = x;` */
- function createExportAssignment(name) {
- return ts.createExpressionStatement(ts.createBinary(ts.createPropertyAccess(ts.createIdentifier("exports"), ts.createIdentifier(name)), 62 /* EqualsToken */, ts.createIdentifier(name)));
- }
- })(refactor = ts.refactor || (ts.refactor = {}));
-})(ts || (ts = {}));
-/* @internal */
-var ts;
-(function (ts) {
- var refactor;
- (function (refactor) {
- var addOrRemoveBracesToArrowFunction;
- (function (addOrRemoveBracesToArrowFunction) {
- var refactorName = "Add or remove braces in an arrow function";
- var refactorDescription = ts.Diagnostics.Add_or_remove_braces_in_an_arrow_function.message;
- var addBracesActionName = "Add braces to arrow function";
- var removeBracesActionName = "Remove braces from arrow function";
- var addBracesActionDescription = ts.Diagnostics.Add_braces_to_arrow_function.message;
- var removeBracesActionDescription = ts.Diagnostics.Remove_braces_from_arrow_function.message;
- refactor.registerRefactor(refactorName, { getEditsForAction: getEditsForAction, getAvailableActions: getAvailableActions });
- function getAvailableActions(context) {
- var file = context.file, startPosition = context.startPosition;
- var info = getConvertibleArrowFunctionAtPosition(file, startPosition);
- if (!info)
- return ts.emptyArray;
- return [{
- name: refactorName,
- description: refactorDescription,
- actions: [
- info.addBraces ?
- {
- name: addBracesActionName,
- description: addBracesActionDescription
- } : {
- name: removeBracesActionName,
- description: removeBracesActionDescription
- }
- ]
- }];
- }
- function getEditsForAction(context, actionName) {
- var file = context.file, startPosition = context.startPosition;
- var info = getConvertibleArrowFunctionAtPosition(file, startPosition);
- if (!info)
- return undefined;
- var expression = info.expression, returnStatement = info.returnStatement, func = info.func;
- var body;
- if (actionName === addBracesActionName) {
- var returnStatement_1 = ts.createReturn(expression);
- body = ts.createBlock([returnStatement_1], /* multiLine */ true);
- ts.suppressLeadingAndTrailingTrivia(body);
- ts.copyLeadingComments(expression, returnStatement_1, file, 3 /* MultiLineCommentTrivia */, /* hasTrailingNewLine */ true);
- }
- else if (actionName === removeBracesActionName && returnStatement) {
- var actualExpression = expression || ts.createVoidZero();
- body = ts.needsParentheses(actualExpression) ? ts.createParen(actualExpression) : actualExpression;
- ts.suppressLeadingAndTrailingTrivia(body);
- ts.copyTrailingAsLeadingComments(returnStatement, body, file, 3 /* MultiLineCommentTrivia */, /* hasTrailingNewLine */ false);
- ts.copyLeadingComments(returnStatement, body, file, 3 /* MultiLineCommentTrivia */, /* hasTrailingNewLine */ false);
- ts.copyTrailingComments(returnStatement, body, file, 3 /* MultiLineCommentTrivia */, /* hasTrailingNewLine */ false);
- }
- else {
- ts.Debug.fail("invalid action");
- }
- var edits = ts.textChanges.ChangeTracker.with(context, function (t) {
- t.replaceNode(file, func.body, body);
- });
- return { renameFilename: undefined, renameLocation: undefined, edits: edits };
- }
- function getConvertibleArrowFunctionAtPosition(file, startPosition) {
- var node = ts.getTokenAtPosition(file, startPosition);
- var func = ts.getContainingFunction(node);
- if (!func || !ts.isArrowFunction(func) || (!ts.rangeContainsRange(func, node) || ts.rangeContainsRange(func.body, node)))
- return undefined;
- if (ts.isExpression(func.body)) {
- return {
- func: func,
- addBraces: true,
- expression: func.body
- };
- }
- else if (func.body.statements.length === 1) {
- var firstStatement = ts.first(func.body.statements);
- if (ts.isReturnStatement(firstStatement)) {
- return {
- func: func,
- addBraces: false,
- expression: firstStatement.expression,
- returnStatement: firstStatement
- };
- }
- }
- return undefined;
- }
- })(addOrRemoveBracesToArrowFunction = refactor.addOrRemoveBracesToArrowFunction || (refactor.addOrRemoveBracesToArrowFunction = {}));
- })(refactor = ts.refactor || (ts.refactor = {}));
-})(ts || (ts = {}));
-/* @internal */
-var ts;
-(function (ts) {
- var refactor;
- (function (refactor) {
- var convertParamsToDestructuredObject;
- (function (convertParamsToDestructuredObject) {
- var refactorName = "Convert parameters to destructured object";
- var minimumParameterLength = 2;
- refactor.registerRefactor(refactorName, { getEditsForAction: getEditsForAction, getAvailableActions: getAvailableActions });
- function getAvailableActions(context) {
- var file = context.file, startPosition = context.startPosition;
- var isJSFile = ts.isSourceFileJS(file);
- if (isJSFile)
- return ts.emptyArray; // TODO: GH#30113
- var functionDeclaration = getFunctionDeclarationAtPosition(file, startPosition, context.program.getTypeChecker());
- if (!functionDeclaration)
- return ts.emptyArray;
- var description = ts.getLocaleSpecificMessage(ts.Diagnostics.Convert_parameters_to_destructured_object);
- return [{
- name: refactorName,
- description: description,
- actions: [{
- name: refactorName,
- description: description
- }]
- }];
- }
- function getEditsForAction(context, actionName) {
- ts.Debug.assert(actionName === refactorName, "Unexpected action name");
- var file = context.file, startPosition = context.startPosition, program = context.program, cancellationToken = context.cancellationToken, host = context.host;
- var functionDeclaration = getFunctionDeclarationAtPosition(file, startPosition, program.getTypeChecker());
- if (!functionDeclaration || !cancellationToken)
- return undefined;
- var groupedReferences = getGroupedReferences(functionDeclaration, program, cancellationToken);
- if (groupedReferences.valid) {
- var edits = ts.textChanges.ChangeTracker.with(context, function (t) { return doChange(file, program, host, t, functionDeclaration, groupedReferences); });
- return { renameFilename: undefined, renameLocation: undefined, edits: edits };
- }
- return { edits: [] }; // TODO: GH#30113
- }
- function doChange(sourceFile, program, host, changes, functionDeclaration, groupedReferences) {
- var newParamDeclaration = ts.map(createNewParameters(functionDeclaration, program, host), function (param) { return ts.getSynthesizedDeepClone(param); });
- changes.replaceNodeRangeWithNodes(sourceFile, ts.first(functionDeclaration.parameters), ts.last(functionDeclaration.parameters), newParamDeclaration, { joiner: ", ",
- // indentation is set to 0 because otherwise the object parameter will be indented if there is a `this` parameter
- indentation: 0,
- leadingTriviaOption: ts.textChanges.LeadingTriviaOption.IncludeAll,
- trailingTriviaOption: ts.textChanges.TrailingTriviaOption.Include
- });
- var functionCalls = ts.sortAndDeduplicate(groupedReferences.functionCalls, /*comparer*/ function (a, b) { return ts.compareValues(a.pos, b.pos); });
- for (var _i = 0, functionCalls_1 = functionCalls; _i < functionCalls_1.length; _i++) {
- var call = functionCalls_1[_i];
- if (call.arguments && call.arguments.length) {
- var newArgument = ts.getSynthesizedDeepClone(createNewArgument(functionDeclaration, call.arguments), /*includeTrivia*/ true);
- changes.replaceNodeRange(ts.getSourceFileOfNode(call), ts.first(call.arguments), ts.last(call.arguments), newArgument, { leadingTriviaOption: ts.textChanges.LeadingTriviaOption.IncludeAll, trailingTriviaOption: ts.textChanges.TrailingTriviaOption.Include });
- }
- }
- }
- function getGroupedReferences(functionDeclaration, program, cancellationToken) {
- var functionNames = getFunctionNames(functionDeclaration);
- var classNames = ts.isConstructorDeclaration(functionDeclaration) ? getClassNames(functionDeclaration) : [];
- var names = ts.deduplicate(__spreadArrays(functionNames, classNames), ts.equateValues);
- var checker = program.getTypeChecker();
- var references = ts.flatMap(names, /*mapfn*/ function (/*mapfn*/ name) { return ts.FindAllReferences.getReferenceEntriesForNode(-1, name, program, program.getSourceFiles(), cancellationToken); });
- var groupedReferences = groupReferences(references);
- if (!ts.every(groupedReferences.declarations, /*callback*/ function (/*callback*/ decl) { return ts.contains(names, decl); })) {
- groupedReferences.valid = false;
- }
- return groupedReferences;
- function groupReferences(referenceEntries) {
- var classReferences = { accessExpressions: [], typeUsages: [] };
- var groupedReferences = { functionCalls: [], declarations: [], classReferences: classReferences, valid: true };
- var functionSymbols = ts.map(functionNames, getSymbolTargetAtLocation);
- var classSymbols = ts.map(classNames, getSymbolTargetAtLocation);
- var isConstructor = ts.isConstructorDeclaration(functionDeclaration);
- for (var _i = 0, referenceEntries_1 = referenceEntries; _i < referenceEntries_1.length; _i++) {
- var entry = referenceEntries_1[_i];
- if (entry.kind !== 1 /* Node */) {
- groupedReferences.valid = false;
- continue;
- }
- /* We compare symbols because in some cases find all references wil return a reference that may or may not be to the refactored function.
- Example from the refactorConvertParamsToDestructuredObject_methodCallUnion.ts test:
- class A { foo(a: number, b: number) { return a + b; } }
- class B { foo(c: number, d: number) { return c + d; } }
- declare const ab: A | B;
- ab.foo(1, 2);
- Find all references will return `ab.foo(1, 2)` as a reference to A's `foo` but we could be calling B's `foo`.
- When looking for constructor calls, however, the symbol on the constructor call reference is going to be the corresponding class symbol.
- So we need to add a special case for this because when calling a constructor of a class through one of its subclasses,
- the symbols are going to be different.
- */
- if (ts.contains(functionSymbols, getSymbolTargetAtLocation(entry.node)) || ts.isNewExpressionTarget(entry.node)) {
- var importOrExportReference = entryToImportOrExport(entry);
- if (importOrExportReference) {
- continue;
- }
- var decl = entryToDeclaration(entry);
- if (decl) {
- groupedReferences.declarations.push(decl);
- continue;
- }
- var call = entryToFunctionCall(entry);
- if (call) {
- groupedReferences.functionCalls.push(call);
- continue;
- }
- }
- // if the refactored function is a constructor, we must also check if the references to its class are valid
- if (isConstructor && ts.contains(classSymbols, getSymbolTargetAtLocation(entry.node))) {
- var importOrExportReference = entryToImportOrExport(entry);
- if (importOrExportReference) {
- continue;
- }
- var decl = entryToDeclaration(entry);
- if (decl) {
- groupedReferences.declarations.push(decl);
- continue;
- }
- var accessExpression = entryToAccessExpression(entry);
- if (accessExpression) {
- classReferences.accessExpressions.push(accessExpression);
- continue;
- }
- // Only class declarations are allowed to be used as a type (in a heritage clause),
- // otherwise `findAllReferences` might not be able to track constructor calls.
- if (ts.isClassDeclaration(functionDeclaration.parent)) {
- var type = entryToType(entry);
- if (type) {
- classReferences.typeUsages.push(type);
- continue;
- }
- }
- }
- groupedReferences.valid = false;
- }
- return groupedReferences;
- }
- function getSymbolTargetAtLocation(node) {
- var symbol = checker.getSymbolAtLocation(node);
- return symbol && ts.getSymbolTarget(symbol, checker);
- }
- }
- function entryToImportOrExport(entry) {
- var node = entry.node;
- if (ts.isImportSpecifier(node.parent)
- || ts.isImportClause(node.parent)
- || ts.isImportEqualsDeclaration(node.parent)
- || ts.isNamespaceImport(node.parent)) {
- return node;
- }
- if (ts.isExportSpecifier(node.parent) || ts.isExportAssignment(node.parent)) {
- return node;
- }
- return undefined;
- }
- function entryToDeclaration(entry) {
- if (ts.isDeclaration(entry.node.parent)) {
- return entry.node;
- }
- return undefined;
- }
- function entryToFunctionCall(entry) {
- if (entry.node.parent) {
- var functionReference = entry.node;
- var parent = functionReference.parent;
- switch (parent.kind) {
- // foo(...) or super(...) or new Foo(...)
- case 196 /* CallExpression */:
- case 197 /* NewExpression */:
- var callOrNewExpression = ts.tryCast(parent, ts.isCallOrNewExpression);
- if (callOrNewExpression && callOrNewExpression.expression === functionReference) {
- return callOrNewExpression;
- }
- break;
- // x.foo(...)
- case 194 /* PropertyAccessExpression */:
- var propertyAccessExpression = ts.tryCast(parent, ts.isPropertyAccessExpression);
- if (propertyAccessExpression && propertyAccessExpression.parent && propertyAccessExpression.name === functionReference) {
- var callOrNewExpression_1 = ts.tryCast(propertyAccessExpression.parent, ts.isCallOrNewExpression);
- if (callOrNewExpression_1 && callOrNewExpression_1.expression === propertyAccessExpression) {
- return callOrNewExpression_1;
- }
- }
- break;
- // x["foo"](...)
- case 195 /* ElementAccessExpression */:
- var elementAccessExpression = ts.tryCast(parent, ts.isElementAccessExpression);
- if (elementAccessExpression && elementAccessExpression.parent && elementAccessExpression.argumentExpression === functionReference) {
- var callOrNewExpression_2 = ts.tryCast(elementAccessExpression.parent, ts.isCallOrNewExpression);
- if (callOrNewExpression_2 && callOrNewExpression_2.expression === elementAccessExpression) {
- return callOrNewExpression_2;
- }
- }
- break;
- }
- }
- return undefined;
- }
- function entryToAccessExpression(entry) {
- if (entry.node.parent) {
- var reference = entry.node;
- var parent = reference.parent;
- switch (parent.kind) {
- // `C.foo`
- case 194 /* PropertyAccessExpression */:
- var propertyAccessExpression = ts.tryCast(parent, ts.isPropertyAccessExpression);
- if (propertyAccessExpression && propertyAccessExpression.expression === reference) {
- return propertyAccessExpression;
- }
- break;
- // `C["foo"]`
- case 195 /* ElementAccessExpression */:
- var elementAccessExpression = ts.tryCast(parent, ts.isElementAccessExpression);
- if (elementAccessExpression && elementAccessExpression.expression === reference) {
- return elementAccessExpression;
- }
- break;
- }
- }
- return undefined;
- }
- function entryToType(entry) {
- var reference = entry.node;
- if (ts.getMeaningFromLocation(reference) === 2 /* Type */ || ts.isExpressionWithTypeArgumentsInClassExtendsClause(reference.parent)) {
- return reference;
- }
- return undefined;
- }
- function getFunctionDeclarationAtPosition(file, startPosition, checker) {
- var node = ts.getTouchingToken(file, startPosition);
- var functionDeclaration = ts.getContainingFunctionDeclaration(node);
- // don't offer refactor on top-level JSDoc
- if (isTopLevelJSDoc(node))
- return undefined;
- if (functionDeclaration
- && isValidFunctionDeclaration(functionDeclaration, checker)
- && ts.rangeContainsRange(functionDeclaration, node)
- && !(functionDeclaration.body && ts.rangeContainsRange(functionDeclaration.body, node)))
- return functionDeclaration;
- return undefined;
- }
- function isTopLevelJSDoc(node) {
- var containingJSDoc = ts.findAncestor(node, ts.isJSDocNode);
- if (containingJSDoc) {
- var containingNonJSDoc = ts.findAncestor(containingJSDoc, function (n) { return !ts.isJSDocNode(n); });
- return !!containingNonJSDoc && ts.isFunctionLikeDeclaration(containingNonJSDoc);
- }
- return false;
- }
- function isValidFunctionDeclaration(functionDeclaration, checker) {
- if (!isValidParameterNodeArray(functionDeclaration.parameters, checker))
- return false;
- switch (functionDeclaration.kind) {
- case 244 /* FunctionDeclaration */:
- return hasNameOrDefault(functionDeclaration) && isSingleImplementation(functionDeclaration, checker);
- case 161 /* MethodDeclaration */:
- return isSingleImplementation(functionDeclaration, checker);
- case 162 /* Constructor */:
- if (ts.isClassDeclaration(functionDeclaration.parent)) {
- return hasNameOrDefault(functionDeclaration.parent) && isSingleImplementation(functionDeclaration, checker);
- }
- else {
- return isValidVariableDeclaration(functionDeclaration.parent.parent)
- && isSingleImplementation(functionDeclaration, checker);
- }
- case 201 /* FunctionExpression */:
- case 202 /* ArrowFunction */:
- return isValidVariableDeclaration(functionDeclaration.parent);
- }
- return false;
- }
- function isSingleImplementation(functionDeclaration, checker) {
- return !!functionDeclaration.body && !checker.isImplementationOfOverload(functionDeclaration);
- }
- function hasNameOrDefault(functionOrClassDeclaration) {
- if (!functionOrClassDeclaration.name) {
- var defaultKeyword = ts.findModifier(functionOrClassDeclaration, 84 /* DefaultKeyword */);
- return !!defaultKeyword;
- }
- return true;
- }
- function isValidParameterNodeArray(parameters, checker) {
- return getRefactorableParametersLength(parameters) >= minimumParameterLength
- && ts.every(parameters, /*callback*/ function (/*callback*/ paramDecl) { return isValidParameterDeclaration(paramDecl, checker); });
- }
- function isValidParameterDeclaration(parameterDeclaration, checker) {
- if (ts.isRestParameter(parameterDeclaration)) {
- var type = checker.getTypeAtLocation(parameterDeclaration);
- if (!checker.isArrayType(type) && !checker.isTupleType(type))
- return false;
- }
- return !parameterDeclaration.modifiers && !parameterDeclaration.decorators && ts.isIdentifier(parameterDeclaration.name);
- }
- function isValidVariableDeclaration(node) {
- return ts.isVariableDeclaration(node) && ts.isVarConst(node) && ts.isIdentifier(node.name) && !node.type; // TODO: GH#30113
- }
- function hasThisParameter(parameters) {
- return parameters.length > 0 && ts.isThis(parameters[0].name);
- }
- function getRefactorableParametersLength(parameters) {
- if (hasThisParameter(parameters)) {
- return parameters.length - 1;
- }
- return parameters.length;
- }
- function getRefactorableParameters(parameters) {
- if (hasThisParameter(parameters)) {
- parameters = ts.createNodeArray(parameters.slice(1), parameters.hasTrailingComma);
- }
- return parameters;
- }
- function createPropertyOrShorthandAssignment(name, initializer) {
- if (ts.isIdentifier(initializer) && ts.getTextOfIdentifierOrLiteral(initializer) === name) {
- return ts.createShorthandPropertyAssignment(name);
- }
- return ts.createPropertyAssignment(name, initializer);
- }
- function createNewArgument(functionDeclaration, functionArguments) {
- var parameters = getRefactorableParameters(functionDeclaration.parameters);
- var hasRestParameter = ts.isRestParameter(ts.last(parameters));
- var nonRestArguments = hasRestParameter ? functionArguments.slice(0, parameters.length - 1) : functionArguments;
- var properties = ts.map(nonRestArguments, function (arg, i) {
- var parameterName = getParameterName(parameters[i]);
- var property = createPropertyOrShorthandAssignment(parameterName, arg);
- ts.suppressLeadingAndTrailingTrivia(property.name);
- if (ts.isPropertyAssignment(property))
- ts.suppressLeadingAndTrailingTrivia(property.initializer);
- ts.copyComments(arg, property);
- return property;
- });
- if (hasRestParameter && functionArguments.length >= parameters.length) {
- var restArguments = functionArguments.slice(parameters.length - 1);
- var restProperty = ts.createPropertyAssignment(getParameterName(ts.last(parameters)), ts.createArrayLiteral(restArguments));
- properties.push(restProperty);
- }
- var objectLiteral = ts.createObjectLiteral(properties, /*multiLine*/ false);
- return objectLiteral;
- }
- function createNewParameters(functionDeclaration, program, host) {
- var checker = program.getTypeChecker();
- var refactorableParameters = getRefactorableParameters(functionDeclaration.parameters);
- var bindingElements = ts.map(refactorableParameters, createBindingElementFromParameterDeclaration);
- var objectParameterName = ts.createObjectBindingPattern(bindingElements);
- var objectParameterType = createParameterTypeNode(refactorableParameters);
- var objectInitializer;
- // If every parameter in the original function was optional, add an empty object initializer to the new object parameter
- if (ts.every(refactorableParameters, isOptionalParameter)) {
- objectInitializer = ts.createObjectLiteral();
- }
- var objectParameter = ts.createParameter(
- /*decorators*/ undefined,
- /*modifiers*/ undefined,
- /*dotDotDotToken*/ undefined, objectParameterName,
- /*questionToken*/ undefined, objectParameterType, objectInitializer);
- if (hasThisParameter(functionDeclaration.parameters)) {
- var thisParameter = functionDeclaration.parameters[0];
- var newThisParameter = ts.createParameter(
- /*decorators*/ undefined,
- /*modifiers*/ undefined,
- /*dotDotDotToken*/ undefined, thisParameter.name,
- /*questionToken*/ undefined, thisParameter.type);
- ts.suppressLeadingAndTrailingTrivia(newThisParameter.name);
- ts.copyComments(thisParameter.name, newThisParameter.name);
- if (thisParameter.type) {
- ts.suppressLeadingAndTrailingTrivia(newThisParameter.type);
- ts.copyComments(thisParameter.type, newThisParameter.type);
- }
- return ts.createNodeArray([newThisParameter, objectParameter]);
- }
- return ts.createNodeArray([objectParameter]);
- function createBindingElementFromParameterDeclaration(parameterDeclaration) {
- var element = ts.createBindingElement(
- /*dotDotDotToken*/ undefined,
- /*propertyName*/ undefined, getParameterName(parameterDeclaration), ts.isRestParameter(parameterDeclaration) && isOptionalParameter(parameterDeclaration) ? ts.createArrayLiteral() : parameterDeclaration.initializer);
- ts.suppressLeadingAndTrailingTrivia(element);
- if (parameterDeclaration.initializer && element.initializer) {
- ts.copyComments(parameterDeclaration.initializer, element.initializer);
- }
- return element;
- }
- function createParameterTypeNode(parameters) {
- var members = ts.map(parameters, createPropertySignatureFromParameterDeclaration);
- var typeNode = ts.addEmitFlags(ts.createTypeLiteralNode(members), 1 /* SingleLine */);
- return typeNode;
- }
- function createPropertySignatureFromParameterDeclaration(parameterDeclaration) {
- var parameterType = parameterDeclaration.type;
- if (!parameterType && (parameterDeclaration.initializer || ts.isRestParameter(parameterDeclaration))) {
- parameterType = getTypeNode(parameterDeclaration);
- }
- var propertySignature = ts.createPropertySignature(
- /*modifiers*/ undefined, getParameterName(parameterDeclaration), isOptionalParameter(parameterDeclaration) ? ts.createToken(57 /* QuestionToken */) : parameterDeclaration.questionToken, parameterType,
- /*initializer*/ undefined);
- ts.suppressLeadingAndTrailingTrivia(propertySignature);
- ts.copyComments(parameterDeclaration.name, propertySignature.name);
- if (parameterDeclaration.type && propertySignature.type) {
- ts.copyComments(parameterDeclaration.type, propertySignature.type);
- }
- return propertySignature;
- }
- function getTypeNode(node) {
- var type = checker.getTypeAtLocation(node);
- return ts.getTypeNodeIfAccessible(type, node, program, host);
- }
- function isOptionalParameter(parameterDeclaration) {
- if (ts.isRestParameter(parameterDeclaration)) {
- var type = checker.getTypeAtLocation(parameterDeclaration);
- return !checker.isTupleType(type);
- }
- return checker.isOptionalParameter(parameterDeclaration);
- }
- }
- function getParameterName(paramDeclaration) {
- return ts.getTextOfIdentifierOrLiteral(paramDeclaration.name);
- }
- function getClassNames(constructorDeclaration) {
- switch (constructorDeclaration.parent.kind) {
- case 245 /* ClassDeclaration */:
- var classDeclaration = constructorDeclaration.parent;
- if (classDeclaration.name)
- return [classDeclaration.name];
- // If the class declaration doesn't have a name, it should have a default modifier.
- // We validated this in `isValidFunctionDeclaration` through `hasNameOrDefault`
- var defaultModifier = ts.Debug.checkDefined(ts.findModifier(classDeclaration, 84 /* DefaultKeyword */), "Nameless class declaration should be a default export");
- return [defaultModifier];
- case 214 /* ClassExpression */:
- var classExpression = constructorDeclaration.parent;
- var variableDeclaration = constructorDeclaration.parent.parent;
- var className = classExpression.name;
- if (className)
- return [className, variableDeclaration.name];
- return [variableDeclaration.name];
- }
- }
- function getFunctionNames(functionDeclaration) {
- switch (functionDeclaration.kind) {
- case 244 /* FunctionDeclaration */:
- if (functionDeclaration.name)
- return [functionDeclaration.name];
- // If the function declaration doesn't have a name, it should have a default modifier.
- // We validated this in `isValidFunctionDeclaration` through `hasNameOrDefault`
- var defaultModifier = ts.Debug.checkDefined(ts.findModifier(functionDeclaration, 84 /* DefaultKeyword */), "Nameless function declaration should be a default export");
- return [defaultModifier];
- case 161 /* MethodDeclaration */:
- return [functionDeclaration.name];
- case 162 /* Constructor */:
- var ctrKeyword = ts.Debug.checkDefined(ts.findChildOfKind(functionDeclaration, 129 /* ConstructorKeyword */, functionDeclaration.getSourceFile()), "Constructor declaration should have constructor keyword");
- if (functionDeclaration.parent.kind === 214 /* ClassExpression */) {
- var variableDeclaration = functionDeclaration.parent.parent;
- return [variableDeclaration.name, ctrKeyword];
- }
- return [ctrKeyword];
- case 202 /* ArrowFunction */:
- return [functionDeclaration.parent.name];
- case 201 /* FunctionExpression */:
- if (functionDeclaration.name)
- return [functionDeclaration.name, functionDeclaration.parent.name];
- return [functionDeclaration.parent.name];
- default:
- return ts.Debug.assertNever(functionDeclaration, "Unexpected function declaration kind " + functionDeclaration.kind);
- }
- }
- })(convertParamsToDestructuredObject = refactor.convertParamsToDestructuredObject || (refactor.convertParamsToDestructuredObject = {}));
- })(refactor = ts.refactor || (ts.refactor = {}));
-})(ts || (ts = {}));
-/* @internal */
-var ts;
-(function (ts) {
- var refactor;
- (function (refactor) {
- var convertStringOrTemplateLiteral;
- (function (convertStringOrTemplateLiteral) {
- var refactorName = "Convert to template string";
- var refactorDescription = ts.getLocaleSpecificMessage(ts.Diagnostics.Convert_to_template_string);
- refactor.registerRefactor(refactorName, { getEditsForAction: getEditsForAction, getAvailableActions: getAvailableActions });
- function getAvailableActions(context) {
- var file = context.file, startPosition = context.startPosition;
- var node = getNodeOrParentOfParentheses(file, startPosition);
- var maybeBinary = getParentBinaryExpression(node);
- var refactorInfo = { name: refactorName, description: refactorDescription, actions: [] };
- if (ts.isBinaryExpression(maybeBinary) && isStringConcatenationValid(maybeBinary)) {
- refactorInfo.actions.push({ name: refactorName, description: refactorDescription });
- return [refactorInfo];
- }
- return ts.emptyArray;
- }
- function getNodeOrParentOfParentheses(file, startPosition) {
- var node = ts.getTokenAtPosition(file, startPosition);
- var nestedBinary = getParentBinaryExpression(node);
- var isNonStringBinary = !isStringConcatenationValid(nestedBinary);
- if (isNonStringBinary &&
- ts.isParenthesizedExpression(nestedBinary.parent) &&
- ts.isBinaryExpression(nestedBinary.parent.parent)) {
- return nestedBinary.parent.parent;
- }
- return node;
- }
- function getEditsForAction(context, actionName) {
- var file = context.file, startPosition = context.startPosition;
- var node = getNodeOrParentOfParentheses(file, startPosition);
- switch (actionName) {
- case refactorDescription:
- return { edits: getEditsForToTemplateLiteral(context, node) };
- default:
- return ts.Debug.fail("invalid action");
- }
- }
- function getEditsForToTemplateLiteral(context, node) {
- var maybeBinary = getParentBinaryExpression(node);
- var file = context.file;
- var templateLiteral = nodesToTemplate(treeToArray(maybeBinary), file);
- var trailingCommentRanges = ts.getTrailingCommentRanges(file.text, maybeBinary.end);
- if (trailingCommentRanges) {
- var lastComment = trailingCommentRanges[trailingCommentRanges.length - 1];
- var trailingRange_1 = { pos: trailingCommentRanges[0].pos, end: lastComment.end };
- // since suppressTrailingTrivia(maybeBinary) does not work, the trailing comment is removed manually
- // otherwise it would have the trailing comment twice
- return ts.textChanges.ChangeTracker.with(context, function (t) {
- t.deleteRange(file, trailingRange_1);
- t.replaceNode(file, maybeBinary, templateLiteral);
- });
- }
- else {
- return ts.textChanges.ChangeTracker.with(context, function (t) { return t.replaceNode(file, maybeBinary, templateLiteral); });
- }
- }
- function isNotEqualsOperator(node) {
- return node.operatorToken.kind !== 62 /* EqualsToken */;
- }
- function getParentBinaryExpression(expr) {
- while (ts.isBinaryExpression(expr.parent) && isNotEqualsOperator(expr.parent)) {
- expr = expr.parent;
- }
- return expr;
- }
- function isStringConcatenationValid(node) {
- var _a = treeToArray(node), containsString = _a.containsString, areOperatorsValid = _a.areOperatorsValid;
- return containsString && areOperatorsValid;
- }
- function treeToArray(current) {
- if (ts.isBinaryExpression(current)) {
- var _a = treeToArray(current.left), nodes = _a.nodes, operators = _a.operators, leftHasString = _a.containsString, leftOperatorValid = _a.areOperatorsValid;
- if (!leftHasString && !ts.isStringLiteral(current.right)) {
- return { nodes: [current], operators: [], containsString: false, areOperatorsValid: true };
- }
- var currentOperatorValid = current.operatorToken.kind === 39 /* PlusToken */;
- var areOperatorsValid = leftOperatorValid && currentOperatorValid;
- nodes.push(current.right);
- operators.push(current.operatorToken);
- return { nodes: nodes, operators: operators, containsString: true, areOperatorsValid: areOperatorsValid };
- }
- return { nodes: [current], operators: [], containsString: ts.isStringLiteral(current), areOperatorsValid: true };
- }
- // to copy comments following the operator
- // "foo" + /* comment */ "bar"
- var copyTrailingOperatorComments = function (operators, file) { return function (index, targetNode) {
- if (index < operators.length) {
- ts.copyTrailingComments(operators[index], targetNode, file, 3 /* MultiLineCommentTrivia */, /* hasTrailingNewLine */ false);
- }
- }; };
- // to copy comments following the string
- // "foo" /* comment */ + "bar" /* comment */ + "bar2"
- var copyCommentFromMultiNode = function (nodes, file, copyOperatorComments) {
- return function (indexes, targetNode) {
- while (indexes.length > 0) {
- var index = indexes.shift();
- ts.copyTrailingComments(nodes[index], targetNode, file, 3 /* MultiLineCommentTrivia */, /* hasTrailingNewLine */ false);
- copyOperatorComments(index, targetNode);
- }
- };
- };
- function concatConsecutiveString(index, nodes) {
- var text = "";
- var indexes = [];
- while (index < nodes.length && ts.isStringLiteral(nodes[index])) {
- var stringNode = nodes[index];
- text = text + stringNode.text;
- indexes.push(index);
- index++;
- }
- return [index, text, indexes];
- }
- function nodesToTemplate(_a, file) {
- var nodes = _a.nodes, operators = _a.operators;
- var copyOperatorComments = copyTrailingOperatorComments(operators, file);
- var copyCommentFromStringLiterals = copyCommentFromMultiNode(nodes, file, copyOperatorComments);
- var _b = concatConsecutiveString(0, nodes), begin = _b[0], headText = _b[1], headIndexes = _b[2];
- if (begin === nodes.length) {
- var noSubstitutionTemplateLiteral = ts.createNoSubstitutionTemplateLiteral(headText);
- copyCommentFromStringLiterals(headIndexes, noSubstitutionTemplateLiteral);
- return noSubstitutionTemplateLiteral;
- }
- var templateSpans = [];
- var templateHead = ts.createTemplateHead(headText);
- copyCommentFromStringLiterals(headIndexes, templateHead);
- for (var i = begin; i < nodes.length; i++) {
- var currentNode = getExpressionFromParenthesesOrExpression(nodes[i]);
- copyOperatorComments(i, currentNode);
- var _c = concatConsecutiveString(i + 1, nodes), newIndex = _c[0], subsequentText = _c[1], stringIndexes = _c[2];
- i = newIndex - 1;
- var templatePart = i === nodes.length - 1 ? ts.createTemplateTail(subsequentText) : ts.createTemplateMiddle(subsequentText);
- copyCommentFromStringLiterals(stringIndexes, templatePart);
- templateSpans.push(ts.createTemplateSpan(currentNode, templatePart));
- }
- return ts.createTemplateExpression(templateHead, templateSpans);
- }
- // to copy comments following the opening & closing parentheses
- // "foo" + ( /* comment */ 5 + 5 ) /* comment */ + "bar"
- function copyCommentsWhenParenthesized(node) {
- var file = node.getSourceFile();
- ts.copyTrailingComments(node, node.expression, file, 3 /* MultiLineCommentTrivia */, /* hasTrailingNewLine */ false);
- ts.copyTrailingAsLeadingComments(node.expression, node.expression, file, 3 /* MultiLineCommentTrivia */, /* hasTrailingNewLine */ false);
- }
- function getExpressionFromParenthesesOrExpression(node) {
- if (ts.isParenthesizedExpression(node)) {
- copyCommentsWhenParenthesized(node);
- node = node.expression;
- }
- return node;
- }
- })(convertStringOrTemplateLiteral = refactor.convertStringOrTemplateLiteral || (refactor.convertStringOrTemplateLiteral = {}));
- })(refactor = ts.refactor || (ts.refactor = {}));
-})(ts || (ts = {}));
-var ts;
-(function (ts) {
- /** The version of the language service API */
- ts.servicesVersion = "0.8";
- function createNode(kind, pos, end, parent) {
- var node = ts.isNodeKind(kind) ? new NodeObject(kind, pos, end) :
- kind === 75 /* Identifier */ ? new IdentifierObject(75 /* Identifier */, pos, end) :
- kind === 76 /* PrivateIdentifier */ ? new PrivateIdentifierObject(76 /* PrivateIdentifier */, pos, end) :
- new TokenObject(kind, pos, end);
- node.parent = parent;
- node.flags = parent.flags & 25358336 /* ContextFlags */;
- return node;
- }
- var NodeObject = /** @class */ (function () {
- function NodeObject(kind, pos, end) {
- this.pos = pos;
- this.end = end;
- this.flags = 0 /* None */;
- this.modifierFlagsCache = 0 /* None */;
- this.transformFlags = 0 /* None */;
- this.parent = undefined;
- this.kind = kind;
- }
- NodeObject.prototype.assertHasRealPosition = function (message) {
- // eslint-disable-next-line debug-assert
- ts.Debug.assert(!ts.positionIsSynthesized(this.pos) && !ts.positionIsSynthesized(this.end), message || "Node must have a real position for this operation");
- };
- NodeObject.prototype.getSourceFile = function () {
- return ts.getSourceFileOfNode(this);
- };
- NodeObject.prototype.getStart = function (sourceFile, includeJsDocComment) {
- this.assertHasRealPosition();
- return ts.getTokenPosOfNode(this, sourceFile, includeJsDocComment);
- };
- NodeObject.prototype.getFullStart = function () {
- this.assertHasRealPosition();
- return this.pos;
- };
- NodeObject.prototype.getEnd = function () {
- this.assertHasRealPosition();
- return this.end;
- };
- NodeObject.prototype.getWidth = function (sourceFile) {
- this.assertHasRealPosition();
- return this.getEnd() - this.getStart(sourceFile);
- };
- NodeObject.prototype.getFullWidth = function () {
- this.assertHasRealPosition();
- return this.end - this.pos;
- };
- NodeObject.prototype.getLeadingTriviaWidth = function (sourceFile) {
- this.assertHasRealPosition();
- return this.getStart(sourceFile) - this.pos;
- };
- NodeObject.prototype.getFullText = function (sourceFile) {
- this.assertHasRealPosition();
- return (sourceFile || this.getSourceFile()).text.substring(this.pos, this.end);
- };
- NodeObject.prototype.getText = function (sourceFile) {
- this.assertHasRealPosition();
- if (!sourceFile) {
- sourceFile = this.getSourceFile();
- }
- return sourceFile.text.substring(this.getStart(sourceFile), this.getEnd());
- };
- NodeObject.prototype.getChildCount = function (sourceFile) {
- return this.getChildren(sourceFile).length;
- };
- NodeObject.prototype.getChildAt = function (index, sourceFile) {
- return this.getChildren(sourceFile)[index];
- };
- NodeObject.prototype.getChildren = function (sourceFile) {
- this.assertHasRealPosition("Node without a real position cannot be scanned and thus has no token nodes - use forEachChild and collect the result if that's fine");
- return this._children || (this._children = createChildren(this, sourceFile));
- };
- NodeObject.prototype.getFirstToken = function (sourceFile) {
- this.assertHasRealPosition();
- var children = this.getChildren(sourceFile);
- if (!children.length) {
- return undefined;
- }
- var child = ts.find(children, function (kid) { return kid.kind < 294 /* FirstJSDocNode */ || kid.kind > 323 /* LastJSDocNode */; });
- return child.kind < 153 /* FirstNode */ ?
- child :
- child.getFirstToken(sourceFile);
- };
- NodeObject.prototype.getLastToken = function (sourceFile) {
- this.assertHasRealPosition();
- var children = this.getChildren(sourceFile);
- var child = ts.lastOrUndefined(children);
- if (!child) {
- return undefined;
- }
- return child.kind < 153 /* FirstNode */ ? child : child.getLastToken(sourceFile);
- };
- NodeObject.prototype.forEachChild = function (cbNode, cbNodeArray) {
- return ts.forEachChild(this, cbNode, cbNodeArray);
- };
- return NodeObject;
- }());
- function createChildren(node, sourceFile) {
- if (!ts.isNodeKind(node.kind)) {
- return ts.emptyArray;
- }
- var children = [];
- if (ts.isJSDocCommentContainingNode(node)) {
- /** Don't add trivia for "tokens" since this is in a comment. */
- node.forEachChild(function (child) { children.push(child); });
- return children;
- }
- ts.scanner.setText((sourceFile || node.getSourceFile()).text);
- var pos = node.pos;
- var processNode = function (child) {
- addSyntheticNodes(children, pos, child.pos, node);
- children.push(child);
- pos = child.end;
- };
- var processNodes = function (nodes) {
- addSyntheticNodes(children, pos, nodes.pos, node);
- children.push(createSyntaxList(nodes, node));
- pos = nodes.end;
- };
- // jsDocComments need to be the first children
- ts.forEach(node.jsDoc, processNode);
- // For syntactic classifications, all trivia are classified together, including jsdoc comments.
- // For that to work, the jsdoc comments should still be the leading trivia of the first child.
- // Restoring the scanner position ensures that.
- pos = node.pos;
- node.forEachChild(processNode, processNodes);
- addSyntheticNodes(children, pos, node.end, node);
- ts.scanner.setText(undefined);
- return children;
- }
- function addSyntheticNodes(nodes, pos, end, parent) {
- ts.scanner.setTextPos(pos);
- while (pos < end) {
- var token = ts.scanner.scan();
- var textPos = ts.scanner.getTextPos();
- if (textPos <= end) {
- if (token === 75 /* Identifier */) {
- ts.Debug.fail("Did not expect " + ts.Debug.formatSyntaxKind(parent.kind) + " to have an Identifier in its trivia");
- }
- nodes.push(createNode(token, pos, textPos, parent));
- }
- pos = textPos;
- if (token === 1 /* EndOfFileToken */) {
- break;
- }
- }
- }
- function createSyntaxList(nodes, parent) {
- var list = createNode(324 /* SyntaxList */, nodes.pos, nodes.end, parent);
- list._children = [];
- var pos = nodes.pos;
- for (var _i = 0, nodes_1 = nodes; _i < nodes_1.length; _i++) {
- var node = nodes_1[_i];
- addSyntheticNodes(list._children, pos, node.pos, parent);
- list._children.push(node);
- pos = node.end;
- }
- addSyntheticNodes(list._children, pos, nodes.end, parent);
- return list;
- }
- var TokenOrIdentifierObject = /** @class */ (function () {
- function TokenOrIdentifierObject(pos, end) {
- // Set properties in same order as NodeObject
- this.pos = pos;
- this.end = end;
- this.flags = 0 /* None */;
- this.modifierFlagsCache = 0 /* None */;
- this.transformFlags = 0 /* None */;
- this.parent = undefined;
- }
- TokenOrIdentifierObject.prototype.getSourceFile = function () {
- return ts.getSourceFileOfNode(this);
- };
- TokenOrIdentifierObject.prototype.getStart = function (sourceFile, includeJsDocComment) {
- return ts.getTokenPosOfNode(this, sourceFile, includeJsDocComment);
- };
- TokenOrIdentifierObject.prototype.getFullStart = function () {
- return this.pos;
- };
- TokenOrIdentifierObject.prototype.getEnd = function () {
- return this.end;
- };
- TokenOrIdentifierObject.prototype.getWidth = function (sourceFile) {
- return this.getEnd() - this.getStart(sourceFile);
- };
- TokenOrIdentifierObject.prototype.getFullWidth = function () {
- return this.end - this.pos;
- };
- TokenOrIdentifierObject.prototype.getLeadingTriviaWidth = function (sourceFile) {
- return this.getStart(sourceFile) - this.pos;
- };
- TokenOrIdentifierObject.prototype.getFullText = function (sourceFile) {
- return (sourceFile || this.getSourceFile()).text.substring(this.pos, this.end);
- };
- TokenOrIdentifierObject.prototype.getText = function (sourceFile) {
- if (!sourceFile) {
- sourceFile = this.getSourceFile();
- }
- return sourceFile.text.substring(this.getStart(sourceFile), this.getEnd());
- };
- TokenOrIdentifierObject.prototype.getChildCount = function () {
- return 0;
- };
- TokenOrIdentifierObject.prototype.getChildAt = function () {
- return undefined; // TODO: GH#18217
- };
- TokenOrIdentifierObject.prototype.getChildren = function () {
- return this.kind === 1 /* EndOfFileToken */ ? this.jsDoc || ts.emptyArray : ts.emptyArray;
- };
- TokenOrIdentifierObject.prototype.getFirstToken = function () {
- return undefined;
- };
- TokenOrIdentifierObject.prototype.getLastToken = function () {
- return undefined;
- };
- TokenOrIdentifierObject.prototype.forEachChild = function () {
- return undefined;
- };
- return TokenOrIdentifierObject;
- }());
- var SymbolObject = /** @class */ (function () {
- function SymbolObject(flags, name) {
- this.flags = flags;
- this.escapedName = name;
- }
- SymbolObject.prototype.getFlags = function () {
- return this.flags;
- };
- Object.defineProperty(SymbolObject.prototype, "name", {
- get: function () {
- return ts.symbolName(this);
- },
- enumerable: false,
- configurable: true
- });
- SymbolObject.prototype.getEscapedName = function () {
- return this.escapedName;
- };
- SymbolObject.prototype.getName = function () {
- return this.name;
- };
- SymbolObject.prototype.getDeclarations = function () {
- return this.declarations;
- };
- SymbolObject.prototype.getDocumentationComment = function (checker) {
- if (!this.documentationComment) {
- this.documentationComment = ts.emptyArray; // Set temporarily to avoid an infinite loop finding inherited docs
- this.documentationComment = getDocumentationComment(this.declarations, checker);
- }
- return this.documentationComment;
- };
- SymbolObject.prototype.getJsDocTags = function () {
- if (this.tags === undefined) {
- this.tags = ts.JsDoc.getJsDocTagsFromDeclarations(this.declarations);
- }
- return this.tags;
- };
- return SymbolObject;
- }());
- var TokenObject = /** @class */ (function (_super) {
- __extends(TokenObject, _super);
- function TokenObject(kind, pos, end) {
- var _this = _super.call(this, pos, end) || this;
- _this.kind = kind;
- return _this;
- }
- return TokenObject;
- }(TokenOrIdentifierObject));
- var IdentifierObject = /** @class */ (function (_super) {
- __extends(IdentifierObject, _super);
- function IdentifierObject(_kind, pos, end) {
- var _this = _super.call(this, pos, end) || this;
- _this.kind = 75 /* Identifier */;
- return _this;
- }
- Object.defineProperty(IdentifierObject.prototype, "text", {
- get: function () {
- return ts.idText(this);
- },
- enumerable: false,
- configurable: true
- });
- return IdentifierObject;
- }(TokenOrIdentifierObject));
- IdentifierObject.prototype.kind = 75 /* Identifier */;
- var PrivateIdentifierObject = /** @class */ (function (_super) {
- __extends(PrivateIdentifierObject, _super);
- function PrivateIdentifierObject(_kind, pos, end) {
- return _super.call(this, pos, end) || this;
- }
- Object.defineProperty(PrivateIdentifierObject.prototype, "text", {
- get: function () {
- return ts.idText(this);
- },
- enumerable: false,
- configurable: true
- });
- return PrivateIdentifierObject;
- }(TokenOrIdentifierObject));
- PrivateIdentifierObject.prototype.kind = 76 /* PrivateIdentifier */;
- var TypeObject = /** @class */ (function () {
- function TypeObject(checker, flags) {
- this.checker = checker;
- this.flags = flags;
- }
- TypeObject.prototype.getFlags = function () {
- return this.flags;
- };
- TypeObject.prototype.getSymbol = function () {
- return this.symbol;
- };
- TypeObject.prototype.getProperties = function () {
- return this.checker.getPropertiesOfType(this);
- };
- TypeObject.prototype.getProperty = function (propertyName) {
- return this.checker.getPropertyOfType(this, propertyName);
- };
- TypeObject.prototype.getApparentProperties = function () {
- return this.checker.getAugmentedPropertiesOfType(this);
- };
- TypeObject.prototype.getCallSignatures = function () {
- return this.checker.getSignaturesOfType(this, 0 /* Call */);
- };
- TypeObject.prototype.getConstructSignatures = function () {
- return this.checker.getSignaturesOfType(this, 1 /* Construct */);
- };
- TypeObject.prototype.getStringIndexType = function () {
- return this.checker.getIndexTypeOfType(this, 0 /* String */);
- };
- TypeObject.prototype.getNumberIndexType = function () {
- return this.checker.getIndexTypeOfType(this, 1 /* Number */);
- };
- TypeObject.prototype.getBaseTypes = function () {
- return this.isClassOrInterface() ? this.checker.getBaseTypes(this) : undefined;
- };
- TypeObject.prototype.isNullableType = function () {
- return this.checker.isNullableType(this);
- };
- TypeObject.prototype.getNonNullableType = function () {
- return this.checker.getNonNullableType(this);
- };
- TypeObject.prototype.getNonOptionalType = function () {
- return this.checker.getNonOptionalType(this);
- };
- TypeObject.prototype.getConstraint = function () {
- return this.checker.getBaseConstraintOfType(this);
- };
- TypeObject.prototype.getDefault = function () {
- return this.checker.getDefaultFromTypeParameter(this);
- };
- TypeObject.prototype.isUnion = function () {
- return !!(this.flags & 1048576 /* Union */);
- };
- TypeObject.prototype.isIntersection = function () {
- return !!(this.flags & 2097152 /* Intersection */);
- };
- TypeObject.prototype.isUnionOrIntersection = function () {
- return !!(this.flags & 3145728 /* UnionOrIntersection */);
- };
- TypeObject.prototype.isLiteral = function () {
- return !!(this.flags & 384 /* StringOrNumberLiteral */);
- };
- TypeObject.prototype.isStringLiteral = function () {
- return !!(this.flags & 128 /* StringLiteral */);
- };
- TypeObject.prototype.isNumberLiteral = function () {
- return !!(this.flags & 256 /* NumberLiteral */);
- };
- TypeObject.prototype.isTypeParameter = function () {
- return !!(this.flags & 262144 /* TypeParameter */);
- };
- TypeObject.prototype.isClassOrInterface = function () {
- return !!(ts.getObjectFlags(this) & 3 /* ClassOrInterface */);
- };
- TypeObject.prototype.isClass = function () {
- return !!(ts.getObjectFlags(this) & 1 /* Class */);
- };
- Object.defineProperty(TypeObject.prototype, "typeArguments", {
- /**
- * This polyfills `referenceType.typeArguments` for API consumers
- */
- get: function () {
- if (ts.getObjectFlags(this) & 4 /* Reference */) {
- return this.checker.getTypeArguments(this);
- }
- return undefined;
- },
- enumerable: false,
- configurable: true
- });
- return TypeObject;
- }());
- var SignatureObject = /** @class */ (function () {
- function SignatureObject(checker, flags) {
- this.checker = checker;
- this.flags = flags;
- }
- SignatureObject.prototype.getDeclaration = function () {
- return this.declaration;
- };
- SignatureObject.prototype.getTypeParameters = function () {
- return this.typeParameters;
- };
- SignatureObject.prototype.getParameters = function () {
- return this.parameters;
- };
- SignatureObject.prototype.getReturnType = function () {
- return this.checker.getReturnTypeOfSignature(this);
- };
- SignatureObject.prototype.getDocumentationComment = function () {
- return this.documentationComment || (this.documentationComment = getDocumentationComment(ts.singleElementArray(this.declaration), this.checker));
- };
- SignatureObject.prototype.getJsDocTags = function () {
- if (this.jsDocTags === undefined) {
- this.jsDocTags = this.declaration ? ts.JsDoc.getJsDocTagsFromDeclarations([this.declaration]) : [];
- }
- return this.jsDocTags;
- };
- return SignatureObject;
- }());
- /**
- * Returns whether or not the given node has a JSDoc "inheritDoc" tag on it.
- * @param node the Node in question.
- * @returns `true` if `node` has a JSDoc "inheritDoc" tag on it, otherwise `false`.
- */
- function hasJSDocInheritDocTag(node) {
- return ts.getJSDocTags(node).some(function (tag) { return tag.tagName.text === "inheritDoc"; });
- }
- function getDocumentationComment(declarations, checker) {
- if (!declarations)
- return ts.emptyArray;
- var doc = ts.JsDoc.getJsDocCommentsFromDeclarations(declarations);
- if (doc.length === 0 || declarations.some(hasJSDocInheritDocTag)) {
- ts.forEachUnique(declarations, function (declaration) {
- var inheritedDocs = findInheritedJSDocComments(declaration, declaration.symbol.name, checker); // TODO: GH#18217
- // TODO: GH#16312 Return a ReadonlyArray, avoid copying inheritedDocs
- if (inheritedDocs)
- doc = doc.length === 0 ? inheritedDocs.slice() : inheritedDocs.concat(ts.lineBreakPart(), doc);
- });
- }
- return doc;
- }
- /**
- * Attempts to find JSDoc comments for possibly-inherited properties. Checks superclasses then traverses
- * implemented interfaces until a symbol is found with the same name and with documentation.
- * @param declaration The possibly-inherited declaration to find comments for.
- * @param propertyName The name of the possibly-inherited property.
- * @param typeChecker A TypeChecker, used to find inherited properties.
- * @returns A filled array of documentation comments if any were found, otherwise an empty array.
- */
- function findInheritedJSDocComments(declaration, propertyName, typeChecker) {
- return ts.firstDefined(declaration.parent ? ts.getAllSuperTypeNodes(declaration.parent) : ts.emptyArray, function (superTypeNode) {
- var superType = typeChecker.getTypeAtLocation(superTypeNode);
- var baseProperty = superType && typeChecker.getPropertyOfType(superType, propertyName);
- var inheritedDocs = baseProperty && baseProperty.getDocumentationComment(typeChecker);
- return inheritedDocs && inheritedDocs.length ? inheritedDocs : undefined;
- });
- }
- var SourceFileObject = /** @class */ (function (_super) {
- __extends(SourceFileObject, _super);
- function SourceFileObject(kind, pos, end) {
- var _this = _super.call(this, kind, pos, end) || this;
- _this.kind = 290 /* SourceFile */;
- return _this;
- }
- SourceFileObject.prototype.update = function (newText, textChangeRange) {
- return ts.updateSourceFile(this, newText, textChangeRange);
- };
- SourceFileObject.prototype.getLineAndCharacterOfPosition = function (position) {
- return ts.getLineAndCharacterOfPosition(this, position);
- };
- SourceFileObject.prototype.getLineStarts = function () {
- return ts.getLineStarts(this);
- };
- SourceFileObject.prototype.getPositionOfLineAndCharacter = function (line, character, allowEdits) {
- return ts.computePositionOfLineAndCharacter(ts.getLineStarts(this), line, character, this.text, allowEdits);
- };
- SourceFileObject.prototype.getLineEndOfPosition = function (pos) {
- var line = this.getLineAndCharacterOfPosition(pos).line;
- var lineStarts = this.getLineStarts();
- var lastCharPos;
- if (line + 1 >= lineStarts.length) {
- lastCharPos = this.getEnd();
- }
- if (!lastCharPos) {
- lastCharPos = lineStarts[line + 1] - 1;
- }
- var fullText = this.getFullText();
- // if the new line is "\r\n", we should return the last non-new-line-character position
- return fullText[lastCharPos] === "\n" && fullText[lastCharPos - 1] === "\r" ? lastCharPos - 1 : lastCharPos;
- };
- SourceFileObject.prototype.getNamedDeclarations = function () {
- if (!this.namedDeclarations) {
- this.namedDeclarations = this.computeNamedDeclarations();
- }
- return this.namedDeclarations;
- };
- SourceFileObject.prototype.computeNamedDeclarations = function () {
- var result = ts.createMultiMap();
- this.forEachChild(visit);
- return result;
- function addDeclaration(declaration) {
- var name = getDeclarationName(declaration);
- if (name) {
- result.add(name, declaration);
- }
- }
- function getDeclarations(name) {
- var declarations = result.get(name);
- if (!declarations) {
- result.set(name, declarations = []);
- }
- return declarations;
- }
- function getDeclarationName(declaration) {
- var name = ts.getNonAssignedNameOfDeclaration(declaration);
- return name && (ts.isComputedPropertyName(name) && ts.isPropertyAccessExpression(name.expression) ? name.expression.name.text
- : ts.isPropertyName(name) ? ts.getNameFromPropertyName(name) : undefined);
- }
- function visit(node) {
- switch (node.kind) {
- case 244 /* FunctionDeclaration */:
- case 201 /* FunctionExpression */:
- case 161 /* MethodDeclaration */:
- case 160 /* MethodSignature */:
- var functionDeclaration = node;
- var declarationName = getDeclarationName(functionDeclaration);
- if (declarationName) {
- var declarations = getDeclarations(declarationName);
- var lastDeclaration = ts.lastOrUndefined(declarations);
- // Check whether this declaration belongs to an "overload group".
- if (lastDeclaration && functionDeclaration.parent === lastDeclaration.parent && functionDeclaration.symbol === lastDeclaration.symbol) {
- // Overwrite the last declaration if it was an overload
- // and this one is an implementation.
- if (functionDeclaration.body && !lastDeclaration.body) {
- declarations[declarations.length - 1] = functionDeclaration;
- }
- }
- else {
- declarations.push(functionDeclaration);
- }
- }
- ts.forEachChild(node, visit);
- break;
- case 245 /* ClassDeclaration */:
- case 214 /* ClassExpression */:
- case 246 /* InterfaceDeclaration */:
- case 247 /* TypeAliasDeclaration */:
- case 248 /* EnumDeclaration */:
- case 249 /* ModuleDeclaration */:
- case 253 /* ImportEqualsDeclaration */:
- case 263 /* ExportSpecifier */:
- case 258 /* ImportSpecifier */:
- case 255 /* ImportClause */:
- case 256 /* NamespaceImport */:
- case 163 /* GetAccessor */:
- case 164 /* SetAccessor */:
- case 173 /* TypeLiteral */:
- addDeclaration(node);
- ts.forEachChild(node, visit);
- break;
- case 156 /* Parameter */:
- // Only consider parameter properties
- if (!ts.hasModifier(node, 92 /* ParameterPropertyModifier */)) {
- break;
- }
- // falls through
- case 242 /* VariableDeclaration */:
- case 191 /* BindingElement */: {
- var decl = node;
- if (ts.isBindingPattern(decl.name)) {
- ts.forEachChild(decl.name, visit);
- break;
- }
- if (decl.initializer) {
- visit(decl.initializer);
- }
- }
- // falls through
- case 284 /* EnumMember */:
- case 159 /* PropertyDeclaration */:
- case 158 /* PropertySignature */:
- addDeclaration(node);
- break;
- case 260 /* ExportDeclaration */:
- // Handle named exports case e.g.:
- // export {a, b as B} from "mod";
- var exportDeclaration = node;
- if (exportDeclaration.exportClause) {
- if (ts.isNamedExports(exportDeclaration.exportClause)) {
- ts.forEach(exportDeclaration.exportClause.elements, visit);
- }
- else {
- visit(exportDeclaration.exportClause.name);
- }
- }
- break;
- case 254 /* ImportDeclaration */:
- var importClause = node.importClause;
- if (importClause) {
- // Handle default import case e.g.:
- // import d from "mod";
- if (importClause.name) {
- addDeclaration(importClause.name);
- }
- // Handle named bindings in imports e.g.:
- // import * as NS from "mod";
- // import {a, b as B} from "mod";
- if (importClause.namedBindings) {
- if (importClause.namedBindings.kind === 256 /* NamespaceImport */) {
- addDeclaration(importClause.namedBindings);
- }
- else {
- ts.forEach(importClause.namedBindings.elements, visit);
- }
- }
- }
- break;
- case 209 /* BinaryExpression */:
- if (ts.getAssignmentDeclarationKind(node) !== 0 /* None */) {
- addDeclaration(node);
- }
- // falls through
- default:
- ts.forEachChild(node, visit);
- }
- }
- };
- return SourceFileObject;
- }(NodeObject));
- var SourceMapSourceObject = /** @class */ (function () {
- function SourceMapSourceObject(fileName, text, skipTrivia) {
- this.fileName = fileName;
- this.text = text;
- this.skipTrivia = skipTrivia;
- }
- SourceMapSourceObject.prototype.getLineAndCharacterOfPosition = function (pos) {
- return ts.getLineAndCharacterOfPosition(this, pos);
- };
- return SourceMapSourceObject;
- }());
- function getServicesObjectAllocator() {
- return {
- getNodeConstructor: function () { return NodeObject; },
- getTokenConstructor: function () { return TokenObject; },
- getIdentifierConstructor: function () { return IdentifierObject; },
- getPrivateIdentifierConstructor: function () { return PrivateIdentifierObject; },
- getSourceFileConstructor: function () { return SourceFileObject; },
- getSymbolConstructor: function () { return SymbolObject; },
- getTypeConstructor: function () { return TypeObject; },
- getSignatureConstructor: function () { return SignatureObject; },
- getSourceMapSourceConstructor: function () { return SourceMapSourceObject; },
- };
- }
- function toEditorSettings(optionsAsMap) {
- var allPropertiesAreCamelCased = true;
- for (var key in optionsAsMap) {
- if (ts.hasProperty(optionsAsMap, key) && !isCamelCase(key)) {
- allPropertiesAreCamelCased = false;
- break;
- }
- }
- if (allPropertiesAreCamelCased) {
- return optionsAsMap;
- }
- var settings = {};
- for (var key in optionsAsMap) {
- if (ts.hasProperty(optionsAsMap, key)) {
- var newKey = isCamelCase(key) ? key : key.charAt(0).toLowerCase() + key.substr(1);
- settings[newKey] = optionsAsMap[key];
- }
- }
- return settings;
- }
- ts.toEditorSettings = toEditorSettings;
- function isCamelCase(s) {
- return !s.length || s.charAt(0) === s.charAt(0).toLowerCase();
- }
- function displayPartsToString(displayParts) {
- if (displayParts) {
- return ts.map(displayParts, function (displayPart) { return displayPart.text; }).join("");
- }
- return "";
- }
- ts.displayPartsToString = displayPartsToString;
- function getDefaultCompilerOptions() {
- // Always default to "ScriptTarget.ES5" for the language service
- return {
- target: 1 /* ES5 */,
- jsx: 1 /* Preserve */
- };
- }
- ts.getDefaultCompilerOptions = getDefaultCompilerOptions;
- function getSupportedCodeFixes() {
- return ts.codefix.getSupportedErrorCodes();
- }
- ts.getSupportedCodeFixes = getSupportedCodeFixes;
- // Cache host information about script Should be refreshed
- // at each language service public entry point, since we don't know when
- // the set of scripts handled by the host changes.
- var HostCache = /** @class */ (function () {
- function HostCache(host, getCanonicalFileName) {
- this.host = host;
- // script id => script index
- this.currentDirectory = host.getCurrentDirectory();
- this.fileNameToEntry = ts.createMap();
- // Initialize the list with the root file names
- var rootFileNames = host.getScriptFileNames();
- for (var _i = 0, rootFileNames_1 = rootFileNames; _i < rootFileNames_1.length; _i++) {
- var fileName = rootFileNames_1[_i];
- this.createEntry(fileName, ts.toPath(fileName, this.currentDirectory, getCanonicalFileName));
- }
- // store the compilation settings
- this._compilationSettings = host.getCompilationSettings() || getDefaultCompilerOptions();
- }
- HostCache.prototype.compilationSettings = function () {
- return this._compilationSettings;
- };
- HostCache.prototype.getProjectReferences = function () {
- return this.host.getProjectReferences && this.host.getProjectReferences();
- };
- HostCache.prototype.createEntry = function (fileName, path) {
- var entry;
- var scriptSnapshot = this.host.getScriptSnapshot(fileName);
- if (scriptSnapshot) {
- entry = {
- hostFileName: fileName,
- version: this.host.getScriptVersion(fileName),
- scriptSnapshot: scriptSnapshot,
- scriptKind: ts.getScriptKind(fileName, this.host)
- };
- }
- else {
- entry = fileName;
- }
- this.fileNameToEntry.set(path, entry);
- return entry;
- };
- HostCache.prototype.getEntryByPath = function (path) {
- return this.fileNameToEntry.get(path);
- };
- HostCache.prototype.getHostFileInformation = function (path) {
- var entry = this.fileNameToEntry.get(path);
- return !ts.isString(entry) ? entry : undefined;
- };
- HostCache.prototype.getOrCreateEntryByPath = function (fileName, path) {
- var info = this.getEntryByPath(path) || this.createEntry(fileName, path);
- return ts.isString(info) ? undefined : info; // TODO: GH#18217
- };
- HostCache.prototype.getRootFileNames = function () {
- var names = [];
- this.fileNameToEntry.forEach(function (entry) {
- if (ts.isString(entry)) {
- names.push(entry);
- }
- else {
- names.push(entry.hostFileName);
- }
- });
- return names;
- };
- HostCache.prototype.getScriptSnapshot = function (path) {
- var file = this.getHostFileInformation(path);
- return (file && file.scriptSnapshot); // TODO: GH#18217
- };
- return HostCache;
- }());
- var SyntaxTreeCache = /** @class */ (function () {
- function SyntaxTreeCache(host) {
- this.host = host;
- }
- SyntaxTreeCache.prototype.getCurrentSourceFile = function (fileName) {
- var scriptSnapshot = this.host.getScriptSnapshot(fileName);
- if (!scriptSnapshot) {
- // The host does not know about this file.
- throw new Error("Could not find file: '" + fileName + "'.");
- }
- var scriptKind = ts.getScriptKind(fileName, this.host);
- var version = this.host.getScriptVersion(fileName);
- var sourceFile;
- if (this.currentFileName !== fileName) {
- // This is a new file, just parse it
- sourceFile = createLanguageServiceSourceFile(fileName, scriptSnapshot, 99 /* Latest */, version, /*setNodeParents*/ true, scriptKind);
- }
- else if (this.currentFileVersion !== version) {
- // This is the same file, just a newer version. Incrementally parse the file.
- var editRange = scriptSnapshot.getChangeRange(this.currentFileScriptSnapshot);
- sourceFile = updateLanguageServiceSourceFile(this.currentSourceFile, scriptSnapshot, version, editRange);
- }
- if (sourceFile) {
- // All done, ensure state is up to date
- this.currentFileVersion = version;
- this.currentFileName = fileName;
- this.currentFileScriptSnapshot = scriptSnapshot;
- this.currentSourceFile = sourceFile;
- }
- return this.currentSourceFile;
- };
- return SyntaxTreeCache;
- }());
- function setSourceFileFields(sourceFile, scriptSnapshot, version) {
- sourceFile.version = version;
- sourceFile.scriptSnapshot = scriptSnapshot;
- }
- function createLanguageServiceSourceFile(fileName, scriptSnapshot, scriptTarget, version, setNodeParents, scriptKind) {
- var sourceFile = ts.createSourceFile(fileName, ts.getSnapshotText(scriptSnapshot), scriptTarget, setNodeParents, scriptKind);
- setSourceFileFields(sourceFile, scriptSnapshot, version);
- return sourceFile;
- }
- ts.createLanguageServiceSourceFile = createLanguageServiceSourceFile;
- function updateLanguageServiceSourceFile(sourceFile, scriptSnapshot, version, textChangeRange, aggressiveChecks) {
- // If we were given a text change range, and our version or open-ness changed, then
- // incrementally parse this file.
- if (textChangeRange) {
- if (version !== sourceFile.version) {
- var newText = void 0;
- // grab the fragment from the beginning of the original text to the beginning of the span
- var prefix = textChangeRange.span.start !== 0
- ? sourceFile.text.substr(0, textChangeRange.span.start)
- : "";
- // grab the fragment from the end of the span till the end of the original text
- var suffix = ts.textSpanEnd(textChangeRange.span) !== sourceFile.text.length
- ? sourceFile.text.substr(ts.textSpanEnd(textChangeRange.span))
- : "";
- if (textChangeRange.newLength === 0) {
- // edit was a deletion - just combine prefix and suffix
- newText = prefix && suffix ? prefix + suffix : prefix || suffix;
- }
- else {
- // it was actual edit, fetch the fragment of new text that correspond to new span
- var changedText = scriptSnapshot.getText(textChangeRange.span.start, textChangeRange.span.start + textChangeRange.newLength);
- // combine prefix, changed text and suffix
- newText = prefix && suffix
- ? prefix + changedText + suffix
- : prefix
- ? (prefix + changedText)
- : (changedText + suffix);
- }
- var newSourceFile = ts.updateSourceFile(sourceFile, newText, textChangeRange, aggressiveChecks);
- setSourceFileFields(newSourceFile, scriptSnapshot, version);
- // after incremental parsing nameTable might not be up-to-date
- // drop it so it can be lazily recreated later
- newSourceFile.nameTable = undefined;
- // dispose all resources held by old script snapshot
- if (sourceFile !== newSourceFile && sourceFile.scriptSnapshot) {
- if (sourceFile.scriptSnapshot.dispose) {
- sourceFile.scriptSnapshot.dispose();
- }
- sourceFile.scriptSnapshot = undefined;
- }
- return newSourceFile;
- }
- }
- // Otherwise, just create a new source file.
- return createLanguageServiceSourceFile(sourceFile.fileName, scriptSnapshot, sourceFile.languageVersion, version, /*setNodeParents*/ true, sourceFile.scriptKind);
- }
- ts.updateLanguageServiceSourceFile = updateLanguageServiceSourceFile;
- var CancellationTokenObject = /** @class */ (function () {
- function CancellationTokenObject(cancellationToken) {
- this.cancellationToken = cancellationToken;
- }
- CancellationTokenObject.prototype.isCancellationRequested = function () {
- return !!this.cancellationToken && this.cancellationToken.isCancellationRequested();
- };
- CancellationTokenObject.prototype.throwIfCancellationRequested = function () {
- if (this.isCancellationRequested()) {
- throw new ts.OperationCanceledException();
- }
- };
- return CancellationTokenObject;
- }());
- /* @internal */
- /** A cancellation that throttles calls to the host */
- var ThrottledCancellationToken = /** @class */ (function () {
- function ThrottledCancellationToken(hostCancellationToken, throttleWaitMilliseconds) {
- if (throttleWaitMilliseconds === void 0) { throttleWaitMilliseconds = 20; }
- this.hostCancellationToken = hostCancellationToken;
- this.throttleWaitMilliseconds = throttleWaitMilliseconds;
- // Store when we last tried to cancel. Checking cancellation can be expensive (as we have
- // to marshall over to the host layer). So we only bother actually checking once enough
- // time has passed.
- this.lastCancellationCheckTime = 0;
- }
- ThrottledCancellationToken.prototype.isCancellationRequested = function () {
- var time = ts.timestamp();
- var duration = Math.abs(time - this.lastCancellationCheckTime);
- if (duration >= this.throttleWaitMilliseconds) {
- // Check no more than once every throttle wait milliseconds
- this.lastCancellationCheckTime = time;
- return this.hostCancellationToken.isCancellationRequested();
- }
- return false;
- };
- ThrottledCancellationToken.prototype.throwIfCancellationRequested = function () {
- if (this.isCancellationRequested()) {
- throw new ts.OperationCanceledException();
- }
- };
- return ThrottledCancellationToken;
- }());
- ts.ThrottledCancellationToken = ThrottledCancellationToken;
- function createLanguageService(host, documentRegistry, syntaxOnly) {
- var _a;
- if (documentRegistry === void 0) { documentRegistry = ts.createDocumentRegistry(host.useCaseSensitiveFileNames && host.useCaseSensitiveFileNames(), host.getCurrentDirectory()); }
- if (syntaxOnly === void 0) { syntaxOnly = false; }
- var syntaxTreeCache = new SyntaxTreeCache(host);
- var program;
- var lastProjectVersion;
- var lastTypesRootVersion = 0;
- var cancellationToken = new CancellationTokenObject(host.getCancellationToken && host.getCancellationToken());
- var currentDirectory = host.getCurrentDirectory();
- // Check if the localized messages json is set, otherwise query the host for it
- if (!ts.localizedDiagnosticMessages && host.getLocalizedDiagnosticMessages) {
- ts.setLocalizedDiagnosticMessages(host.getLocalizedDiagnosticMessages());
- }
- function log(message) {
- if (host.log) {
- host.log(message);
- }
- }
- var useCaseSensitiveFileNames = ts.hostUsesCaseSensitiveFileNames(host);
- var getCanonicalFileName = ts.createGetCanonicalFileName(useCaseSensitiveFileNames);
- var sourceMapper = ts.getSourceMapper({
- useCaseSensitiveFileNames: function () { return useCaseSensitiveFileNames; },
- getCurrentDirectory: function () { return currentDirectory; },
- getProgram: getProgram,
- fileExists: ts.maybeBind(host, host.fileExists),
- readFile: ts.maybeBind(host, host.readFile),
- getDocumentPositionMapper: ts.maybeBind(host, host.getDocumentPositionMapper),
- getSourceFileLike: ts.maybeBind(host, host.getSourceFileLike),
- log: log
- });
- function getValidSourceFile(fileName) {
- var sourceFile = program.getSourceFile(fileName);
- if (!sourceFile) {
- var error = new Error("Could not find source file: '" + fileName + "'.");
- // We've been having trouble debugging this, so attach sidecar data for the tsserver log.
- // See https://github.com/microsoft/TypeScript/issues/30180.
- error.ProgramFiles = program.getSourceFiles().map(function (f) { return f.fileName; });
- throw error;
- }
- return sourceFile;
- }
- function synchronizeHostData() {
- var _a;
- ts.Debug.assert(!syntaxOnly);
- // perform fast check if host supports it
- if (host.getProjectVersion) {
- var hostProjectVersion = host.getProjectVersion();
- if (hostProjectVersion) {
- if (lastProjectVersion === hostProjectVersion && !host.hasChangedAutomaticTypeDirectiveNames) {
- return;
- }
- lastProjectVersion = hostProjectVersion;
- }
- }
- var typeRootsVersion = host.getTypeRootsVersion ? host.getTypeRootsVersion() : 0;
- if (lastTypesRootVersion !== typeRootsVersion) {
- log("TypeRoots version has changed; provide new program");
- program = undefined; // TODO: GH#18217
- lastTypesRootVersion = typeRootsVersion;
- }
- // Get a fresh cache of the host information
- var hostCache = new HostCache(host, getCanonicalFileName);
- var rootFileNames = hostCache.getRootFileNames();
- var hasInvalidatedResolution = host.hasInvalidatedResolution || ts.returnFalse;
- var projectReferences = hostCache.getProjectReferences();
- // If the program is already up-to-date, we can reuse it
- if (ts.isProgramUptoDate(program, rootFileNames, hostCache.compilationSettings(), function (_path, fileName) { return host.getScriptVersion(fileName); }, fileExists, hasInvalidatedResolution, !!host.hasChangedAutomaticTypeDirectiveNames, projectReferences)) {
- return;
- }
- // IMPORTANT - It is critical from this moment onward that we do not check
- // cancellation tokens. We are about to mutate source files from a previous program
- // instance. If we cancel midway through, we may end up in an inconsistent state where
- // the program points to old source files that have been invalidated because of
- // incremental parsing.
- var newSettings = hostCache.compilationSettings();
- // Now create a new compiler
- var compilerHost = {
- getSourceFile: getOrCreateSourceFile,
- getSourceFileByPath: getOrCreateSourceFileByPath,
- getCancellationToken: function () { return cancellationToken; },
- getCanonicalFileName: getCanonicalFileName,
- useCaseSensitiveFileNames: function () { return useCaseSensitiveFileNames; },
- getNewLine: function () { return ts.getNewLineCharacter(newSettings, function () { return ts.getNewLineOrDefaultFromHost(host); }); },
- getDefaultLibFileName: function (options) { return host.getDefaultLibFileName(options); },
- writeFile: ts.noop,
- getCurrentDirectory: function () { return currentDirectory; },
- fileExists: fileExists,
- readFile: readFile,
- realpath: host.realpath && (function (path) { return host.realpath(path); }),
- directoryExists: function (directoryName) {
- return ts.directoryProbablyExists(directoryName, host);
- },
- getDirectories: function (path) {
- return host.getDirectories ? host.getDirectories(path) : [];
- },
- readDirectory: function (path, extensions, exclude, include, depth) {
- ts.Debug.checkDefined(host.readDirectory, "'LanguageServiceHost.readDirectory' must be implemented to correctly process 'projectReferences'");
- return host.readDirectory(path, extensions, exclude, include, depth);
- },
- onReleaseOldSourceFile: onReleaseOldSourceFile,
- hasInvalidatedResolution: hasInvalidatedResolution,
- hasChangedAutomaticTypeDirectiveNames: host.hasChangedAutomaticTypeDirectiveNames
- };
- if (host.trace) {
- compilerHost.trace = function (message) { return host.trace(message); };
- }
- if (host.resolveModuleNames) {
- compilerHost.resolveModuleNames = function () {
- var args = [];
- for (var _i = 0; _i < arguments.length; _i++) {
- args[_i] = arguments[_i];
- }
- return host.resolveModuleNames.apply(host, args);
- };
- }
- if (host.resolveTypeReferenceDirectives) {
- compilerHost.resolveTypeReferenceDirectives = function () {
- var args = [];
- for (var _i = 0; _i < arguments.length; _i++) {
- args[_i] = arguments[_i];
- }
- return host.resolveTypeReferenceDirectives.apply(host, args);
- };
- }
- if (host.useSourceOfProjectReferenceRedirect) {
- compilerHost.useSourceOfProjectReferenceRedirect = function () { return host.useSourceOfProjectReferenceRedirect(); };
- }
- (_a = host.setCompilerHost) === null || _a === void 0 ? void 0 : _a.call(host, compilerHost);
- var documentRegistryBucketKey = documentRegistry.getKeyForCompilationSettings(newSettings);
- var options = {
- rootNames: rootFileNames,
- options: newSettings,
- host: compilerHost,
- oldProgram: program,
- projectReferences: projectReferences
- };
- program = ts.createProgram(options);
- // hostCache is captured in the closure for 'getOrCreateSourceFile' but it should not be used past this point.
- // It needs to be cleared to allow all collected snapshots to be released
- hostCache = undefined;
- // We reset this cache on structure invalidation so we don't hold on to outdated files for long; however we can't use the `compilerHost` above,
- // Because it only functions until `hostCache` is cleared, while we'll potentially need the functionality to lazily read sourcemap files during
- // the course of whatever called `synchronizeHostData`
- sourceMapper.clearCache();
- // Make sure all the nodes in the program are both bound, and have their parent
- // pointers set property.
- program.getTypeChecker();
- return;
- function fileExists(fileName) {
- var path = ts.toPath(fileName, currentDirectory, getCanonicalFileName);
- var entry = hostCache && hostCache.getEntryByPath(path);
- return entry ?
- !ts.isString(entry) :
- (!!host.fileExists && host.fileExists(fileName));
- }
- function readFile(fileName) {
- // stub missing host functionality
- var path = ts.toPath(fileName, currentDirectory, getCanonicalFileName);
- var entry = hostCache && hostCache.getEntryByPath(path);
- if (entry) {
- return ts.isString(entry) ? undefined : ts.getSnapshotText(entry.scriptSnapshot);
- }
- return host.readFile && host.readFile(fileName);
- }
- // Release any files we have acquired in the old program but are
- // not part of the new program.
- function onReleaseOldSourceFile(oldSourceFile, oldOptions) {
- var oldSettingsKey = documentRegistry.getKeyForCompilationSettings(oldOptions);
- documentRegistry.releaseDocumentWithKey(oldSourceFile.resolvedPath, oldSettingsKey);
- }
- function getOrCreateSourceFile(fileName, languageVersion, onError, shouldCreateNewSourceFile) {
- return getOrCreateSourceFileByPath(fileName, ts.toPath(fileName, currentDirectory, getCanonicalFileName), languageVersion, onError, shouldCreateNewSourceFile);
- }
- function getOrCreateSourceFileByPath(fileName, path, _languageVersion, _onError, shouldCreateNewSourceFile) {
- ts.Debug.assert(hostCache !== undefined, "getOrCreateSourceFileByPath called after typical CompilerHost lifetime, check the callstack something with a reference to an old host.");
- // The program is asking for this file, check first if the host can locate it.
- // If the host can not locate the file, then it does not exist. return undefined
- // to the program to allow reporting of errors for missing files.
- var hostFileInformation = hostCache && hostCache.getOrCreateEntryByPath(fileName, path);
- if (!hostFileInformation) {
- return undefined;
- }
- // Check if the language version has changed since we last created a program; if they are the same,
- // it is safe to reuse the sourceFiles; if not, then the shape of the AST can change, and the oldSourceFile
- // can not be reused. we have to dump all syntax trees and create new ones.
- if (!shouldCreateNewSourceFile) {
- // Check if the old program had this file already
- var oldSourceFile = program && program.getSourceFileByPath(path);
- if (oldSourceFile) {
- // We already had a source file for this file name. Go to the registry to
- // ensure that we get the right up to date version of it. We need this to
- // address the following race-condition. Specifically, say we have the following:
- //
- // LS1
- // \
- // DocumentRegistry
- // /
- // LS2
- //
- // Each LS has a reference to file 'foo.ts' at version 1. LS2 then updates
- // it's version of 'foo.ts' to version 2. This will cause LS2 and the
- // DocumentRegistry to have version 2 of the document. HOwever, LS1 will
- // have version 1. And *importantly* this source file will be *corrupt*.
- // The act of creating version 2 of the file irrevocably damages the version
- // 1 file.
- //
- // So, later when we call into LS1, we need to make sure that it doesn't use
- // it's source file any more, and instead defers to DocumentRegistry to get
- // either version 1, version 2 (or some other version) depending on what the
- // host says should be used.
- // We do not support the scenario where a host can modify a registered
- // file's script kind, i.e. in one project some file is treated as ".ts"
- // and in another as ".js"
- ts.Debug.assertEqual(hostFileInformation.scriptKind, oldSourceFile.scriptKind, "Registered script kind should match new script kind.");
- return documentRegistry.updateDocumentWithKey(fileName, path, newSettings, documentRegistryBucketKey, hostFileInformation.scriptSnapshot, hostFileInformation.version, hostFileInformation.scriptKind);
- }
- // We didn't already have the file. Fall through and acquire it from the registry.
- }
- // Could not find this file in the old program, create a new SourceFile for it.
- return documentRegistry.acquireDocumentWithKey(fileName, path, newSettings, documentRegistryBucketKey, hostFileInformation.scriptSnapshot, hostFileInformation.version, hostFileInformation.scriptKind);
- }
- }
- // TODO: GH#18217 frequently asserted as defined
- function getProgram() {
- if (syntaxOnly) {
- ts.Debug.assert(program === undefined);
- return undefined;
- }
- synchronizeHostData();
- return program;
- }
- function cleanupSemanticCache() {
- program = undefined; // TODO: GH#18217
- }
- function dispose() {
- if (program) {
- // Use paths to ensure we are using correct key and paths as document registry could bre created with different current directory than host
- var key_1 = documentRegistry.getKeyForCompilationSettings(program.getCompilerOptions());
- ts.forEach(program.getSourceFiles(), function (f) {
- return documentRegistry.releaseDocumentWithKey(f.resolvedPath, key_1);
- });
- program = undefined; // TODO: GH#18217
- }
- host = undefined;
- }
- /// Diagnostics
- function getSyntacticDiagnostics(fileName) {
- synchronizeHostData();
- return program.getSyntacticDiagnostics(getValidSourceFile(fileName), cancellationToken).slice();
- }
- /**
- * getSemanticDiagnostics return array of Diagnostics. If '-d' is not enabled, only report semantic errors
- * If '-d' enabled, report both semantic and emitter errors
- */
- function getSemanticDiagnostics(fileName) {
- synchronizeHostData();
- var targetSourceFile = getValidSourceFile(fileName);
- // Only perform the action per file regardless of '-out' flag as LanguageServiceHost is expected to call this function per file.
- // Therefore only get diagnostics for given file.
- var semanticDiagnostics = program.getSemanticDiagnostics(targetSourceFile, cancellationToken);
- if (!ts.getEmitDeclarations(program.getCompilerOptions())) {
- return semanticDiagnostics.slice();
- }
- // If '-d' is enabled, check for emitter error. One example of emitter error is export class implements non-export interface
- var declarationDiagnostics = program.getDeclarationDiagnostics(targetSourceFile, cancellationToken);
- return __spreadArrays(semanticDiagnostics, declarationDiagnostics);
- }
- function getSuggestionDiagnostics(fileName) {
- synchronizeHostData();
- return ts.computeSuggestionDiagnostics(getValidSourceFile(fileName), program, cancellationToken);
- }
- function getCompilerOptionsDiagnostics() {
- synchronizeHostData();
- return __spreadArrays(program.getOptionsDiagnostics(cancellationToken), program.getGlobalDiagnostics(cancellationToken));
- }
- function getCompletionsAtPosition(fileName, position, options) {
- if (options === void 0) { options = ts.emptyOptions; }
- // Convert from deprecated options names to new names
- var fullPreferences = __assign(__assign({}, ts.identity(options)), { includeCompletionsForModuleExports: options.includeCompletionsForModuleExports || options.includeExternalModuleExports, includeCompletionsWithInsertText: options.includeCompletionsWithInsertText || options.includeInsertTextCompletions });
- synchronizeHostData();
- return ts.Completions.getCompletionsAtPosition(host, program, log, getValidSourceFile(fileName), position, fullPreferences, options.triggerCharacter);
- }
- function getCompletionEntryDetails(fileName, position, name, formattingOptions, source, preferences) {
- if (preferences === void 0) { preferences = ts.emptyOptions; }
- synchronizeHostData();
- return ts.Completions.getCompletionEntryDetails(program, log, getValidSourceFile(fileName), position, { name: name, source: source }, host, (formattingOptions && ts.formatting.getFormatContext(formattingOptions, host)), // TODO: GH#18217
- preferences, cancellationToken);
- }
- function getCompletionEntrySymbol(fileName, position, name, source, preferences) {
- if (preferences === void 0) { preferences = ts.emptyOptions; }
- synchronizeHostData();
- return ts.Completions.getCompletionEntrySymbol(program, log, getValidSourceFile(fileName), position, { name: name, source: source }, host, preferences);
- }
- function getQuickInfoAtPosition(fileName, position) {
- synchronizeHostData();
- var sourceFile = getValidSourceFile(fileName);
- var node = ts.getTouchingPropertyName(sourceFile, position);
- if (node === sourceFile) {
- // Avoid giving quickInfo for the sourceFile as a whole.
- return undefined;
- }
- var typeChecker = program.getTypeChecker();
- var nodeForQuickInfo = getNodeForQuickInfo(node);
- var symbol = getSymbolAtLocationForQuickInfo(nodeForQuickInfo, typeChecker);
- if (!symbol || typeChecker.isUnknownSymbol(symbol)) {
- var type_2 = shouldGetType(sourceFile, nodeForQuickInfo, position) ? typeChecker.getTypeAtLocation(nodeForQuickInfo) : undefined;
- return type_2 && {
- kind: "" /* unknown */,
- kindModifiers: "" /* none */,
- textSpan: ts.createTextSpanFromNode(nodeForQuickInfo, sourceFile),
- displayParts: typeChecker.runWithCancellationToken(cancellationToken, function (typeChecker) { return ts.typeToDisplayParts(typeChecker, type_2, ts.getContainerNode(nodeForQuickInfo)); }),
- documentation: type_2.symbol ? type_2.symbol.getDocumentationComment(typeChecker) : undefined,
- tags: type_2.symbol ? type_2.symbol.getJsDocTags() : undefined
- };
- }
- var _a = typeChecker.runWithCancellationToken(cancellationToken, function (typeChecker) {
- return ts.SymbolDisplay.getSymbolDisplayPartsDocumentationAndSymbolKind(typeChecker, symbol, sourceFile, ts.getContainerNode(nodeForQuickInfo), nodeForQuickInfo);
- }), symbolKind = _a.symbolKind, displayParts = _a.displayParts, documentation = _a.documentation, tags = _a.tags;
- return {
- kind: symbolKind,
- kindModifiers: ts.SymbolDisplay.getSymbolModifiers(symbol),
- textSpan: ts.createTextSpanFromNode(nodeForQuickInfo, sourceFile),
- displayParts: displayParts,
- documentation: documentation,
- tags: tags,
- };
- }
- function getNodeForQuickInfo(node) {
- if (ts.isNewExpression(node.parent) && node.pos === node.parent.pos) {
- return node.parent.expression;
- }
- return node;
- }
- function shouldGetType(sourceFile, node, position) {
- switch (node.kind) {
- case 75 /* Identifier */:
- return !ts.isLabelName(node) && !ts.isTagName(node);
- case 194 /* PropertyAccessExpression */:
- case 153 /* QualifiedName */:
- // Don't return quickInfo if inside the comment in `a/**/.b`
- return !ts.isInComment(sourceFile, position);
- case 104 /* ThisKeyword */:
- case 183 /* ThisType */:
- case 102 /* SuperKeyword */:
- return true;
- default:
- return false;
- }
- }
- /// Goto definition
- function getDefinitionAtPosition(fileName, position) {
- synchronizeHostData();
- return ts.GoToDefinition.getDefinitionAtPosition(program, getValidSourceFile(fileName), position);
- }
- function getDefinitionAndBoundSpan(fileName, position) {
- synchronizeHostData();
- return ts.GoToDefinition.getDefinitionAndBoundSpan(program, getValidSourceFile(fileName), position);
- }
- function getTypeDefinitionAtPosition(fileName, position) {
- synchronizeHostData();
- return ts.GoToDefinition.getTypeDefinitionAtPosition(program.getTypeChecker(), getValidSourceFile(fileName), position);
- }
- /// Goto implementation
- function getImplementationAtPosition(fileName, position) {
- synchronizeHostData();
- return ts.FindAllReferences.getImplementationsAtPosition(program, cancellationToken, program.getSourceFiles(), getValidSourceFile(fileName), position);
- }
- /// References and Occurrences
- function getOccurrencesAtPosition(fileName, position) {
- return ts.flatMap(getDocumentHighlights(fileName, position, [fileName]), function (entry) { return entry.highlightSpans.map(function (highlightSpan) { return (__assign(__assign({ fileName: entry.fileName, textSpan: highlightSpan.textSpan, isWriteAccess: highlightSpan.kind === "writtenReference" /* writtenReference */, isDefinition: false }, highlightSpan.isInString && { isInString: true }), highlightSpan.contextSpan && { contextSpan: highlightSpan.contextSpan })); }); });
- }
- function getDocumentHighlights(fileName, position, filesToSearch) {
- var normalizedFileName = ts.normalizePath(fileName);
- ts.Debug.assert(filesToSearch.some(function (f) { return ts.normalizePath(f) === normalizedFileName; }));
- synchronizeHostData();
- var sourceFilesToSearch = ts.mapDefined(filesToSearch, function (fileName) { return program.getSourceFile(fileName); });
- var sourceFile = getValidSourceFile(fileName);
- return ts.DocumentHighlights.getDocumentHighlights(program, cancellationToken, sourceFile, position, sourceFilesToSearch);
- }
- function findRenameLocations(fileName, position, findInStrings, findInComments, providePrefixAndSuffixTextForRename) {
- synchronizeHostData();
- var sourceFile = getValidSourceFile(fileName);
- var node = ts.getAdjustedRenameLocation(ts.getTouchingPropertyName(sourceFile, position));
- if (ts.isIdentifier(node) && (ts.isJsxOpeningElement(node.parent) || ts.isJsxClosingElement(node.parent)) && ts.isIntrinsicJsxName(node.escapedText)) {
- var _a = node.parent.parent, openingElement = _a.openingElement, closingElement = _a.closingElement;
- return [openingElement, closingElement].map(function (node) {
- var textSpan = ts.createTextSpanFromNode(node.tagName, sourceFile);
- return __assign({ fileName: sourceFile.fileName, textSpan: textSpan }, ts.FindAllReferences.toContextSpan(textSpan, sourceFile, node.parent));
- });
- }
- else {
- return getReferencesWorker(node, position, { findInStrings: findInStrings, findInComments: findInComments, providePrefixAndSuffixTextForRename: providePrefixAndSuffixTextForRename, use: 2 /* Rename */ }, function (entry, originalNode, checker) { return ts.FindAllReferences.toRenameLocation(entry, originalNode, checker, providePrefixAndSuffixTextForRename || false); });
- }
- }
- function getReferencesAtPosition(fileName, position) {
- synchronizeHostData();
- return getReferencesWorker(ts.getTouchingPropertyName(getValidSourceFile(fileName), position), position, { use: 1 /* References */ }, ts.FindAllReferences.toReferenceEntry);
- }
- function getReferencesWorker(node, position, options, cb) {
- synchronizeHostData();
- // Exclude default library when renaming as commonly user don't want to change that file.
- var sourceFiles = options && options.use === 2 /* Rename */
- ? program.getSourceFiles().filter(function (sourceFile) { return !program.isSourceFileDefaultLibrary(sourceFile); })
- : program.getSourceFiles();
- return ts.FindAllReferences.findReferenceOrRenameEntries(program, cancellationToken, sourceFiles, node, position, options, cb);
- }
- function findReferences(fileName, position) {
- synchronizeHostData();
- return ts.FindAllReferences.findReferencedSymbols(program, cancellationToken, program.getSourceFiles(), getValidSourceFile(fileName), position);
- }
- function getNavigateToItems(searchValue, maxResultCount, fileName, excludeDtsFiles) {
- if (excludeDtsFiles === void 0) { excludeDtsFiles = false; }
- synchronizeHostData();
- var sourceFiles = fileName ? [getValidSourceFile(fileName)] : program.getSourceFiles();
- return ts.NavigateTo.getNavigateToItems(sourceFiles, program.getTypeChecker(), cancellationToken, searchValue, maxResultCount, excludeDtsFiles);
- }
- function getEmitOutput(fileName, emitOnlyDtsFiles, forceDtsEmit) {
- synchronizeHostData();
- var sourceFile = getValidSourceFile(fileName);
- var customTransformers = host.getCustomTransformers && host.getCustomTransformers();
- return ts.getFileEmitOutput(program, sourceFile, !!emitOnlyDtsFiles, cancellationToken, customTransformers, forceDtsEmit);
- }
- // Signature help
- /**
- * This is a semantic operation.
- */
- function getSignatureHelpItems(fileName, position, _a) {
- var triggerReason = (_a === void 0 ? ts.emptyOptions : _a).triggerReason;
- synchronizeHostData();
- var sourceFile = getValidSourceFile(fileName);
- return ts.SignatureHelp.getSignatureHelpItems(program, sourceFile, position, triggerReason, cancellationToken);
- }
- /// Syntactic features
- function getNonBoundSourceFile(fileName) {
- return syntaxTreeCache.getCurrentSourceFile(fileName);
- }
- function getNameOrDottedNameSpan(fileName, startPos, _endPos) {
- var sourceFile = syntaxTreeCache.getCurrentSourceFile(fileName);
- // Get node at the location
- var node = ts.getTouchingPropertyName(sourceFile, startPos);
- if (node === sourceFile) {
- return undefined;
- }
- switch (node.kind) {
- case 194 /* PropertyAccessExpression */:
- case 153 /* QualifiedName */:
- case 10 /* StringLiteral */:
- case 91 /* FalseKeyword */:
- case 106 /* TrueKeyword */:
- case 100 /* NullKeyword */:
- case 102 /* SuperKeyword */:
- case 104 /* ThisKeyword */:
- case 183 /* ThisType */:
- case 75 /* Identifier */:
- break;
- // Cant create the text span
- default:
- return undefined;
- }
- var nodeForStartPos = node;
- while (true) {
- if (ts.isRightSideOfPropertyAccess(nodeForStartPos) || ts.isRightSideOfQualifiedName(nodeForStartPos)) {
- // If on the span is in right side of the the property or qualified name, return the span from the qualified name pos to end of this node
- nodeForStartPos = nodeForStartPos.parent;
- }
- else if (ts.isNameOfModuleDeclaration(nodeForStartPos)) {
- // If this is name of a module declarations, check if this is right side of dotted module name
- // If parent of the module declaration which is parent of this node is module declaration and its body is the module declaration that this node is name of
- // Then this name is name from dotted module
- if (nodeForStartPos.parent.parent.kind === 249 /* ModuleDeclaration */ &&
- nodeForStartPos.parent.parent.body === nodeForStartPos.parent) {
- // Use parent module declarations name for start pos
- nodeForStartPos = nodeForStartPos.parent.parent.name;
- }
- else {
- // We have to use this name for start pos
- break;
- }
- }
- else {
- // Is not a member expression so we have found the node for start pos
- break;
- }
- }
- return ts.createTextSpanFromBounds(nodeForStartPos.getStart(), node.getEnd());
- }
- function getBreakpointStatementAtPosition(fileName, position) {
- // doesn't use compiler - no need to synchronize with host
- var sourceFile = syntaxTreeCache.getCurrentSourceFile(fileName);
- return ts.BreakpointResolver.spanInSourceFileAtLocation(sourceFile, position);
- }
- function getNavigationBarItems(fileName) {
- return ts.NavigationBar.getNavigationBarItems(syntaxTreeCache.getCurrentSourceFile(fileName), cancellationToken);
- }
- function getNavigationTree(fileName) {
- return ts.NavigationBar.getNavigationTree(syntaxTreeCache.getCurrentSourceFile(fileName), cancellationToken);
- }
- function isTsOrTsxFile(fileName) {
- var kind = ts.getScriptKind(fileName, host);
- return kind === 3 /* TS */ || kind === 4 /* TSX */;
- }
- function getSemanticClassifications(fileName, span) {
- if (!isTsOrTsxFile(fileName)) {
- // do not run semantic classification on non-ts-or-tsx files
- return [];
- }
- synchronizeHostData();
- return ts.getSemanticClassifications(program.getTypeChecker(), cancellationToken, getValidSourceFile(fileName), program.getClassifiableNames(), span);
- }
- function getEncodedSemanticClassifications(fileName, span) {
- if (!isTsOrTsxFile(fileName)) {
- // do not run semantic classification on non-ts-or-tsx files
- return { spans: [], endOfLineState: 0 /* None */ };
- }
- synchronizeHostData();
- return ts.getEncodedSemanticClassifications(program.getTypeChecker(), cancellationToken, getValidSourceFile(fileName), program.getClassifiableNames(), span);
- }
- function getSyntacticClassifications(fileName, span) {
- // doesn't use compiler - no need to synchronize with host
- return ts.getSyntacticClassifications(cancellationToken, syntaxTreeCache.getCurrentSourceFile(fileName), span);
- }
- function getEncodedSyntacticClassifications(fileName, span) {
- // doesn't use compiler - no need to synchronize with host
- return ts.getEncodedSyntacticClassifications(cancellationToken, syntaxTreeCache.getCurrentSourceFile(fileName), span);
- }
- function getOutliningSpans(fileName) {
- // doesn't use compiler - no need to synchronize with host
- var sourceFile = syntaxTreeCache.getCurrentSourceFile(fileName);
- return ts.OutliningElementsCollector.collectElements(sourceFile, cancellationToken);
- }
- var braceMatching = ts.createMapFromTemplate((_a = {},
- _a[18 /* OpenBraceToken */] = 19 /* CloseBraceToken */,
- _a[20 /* OpenParenToken */] = 21 /* CloseParenToken */,
- _a[22 /* OpenBracketToken */] = 23 /* CloseBracketToken */,
- _a[31 /* GreaterThanToken */] = 29 /* LessThanToken */,
- _a));
- braceMatching.forEach(function (value, key) { return braceMatching.set(value.toString(), Number(key)); });
- function getBraceMatchingAtPosition(fileName, position) {
- var sourceFile = syntaxTreeCache.getCurrentSourceFile(fileName);
- var token = ts.getTouchingToken(sourceFile, position);
- var matchKind = token.getStart(sourceFile) === position ? braceMatching.get(token.kind.toString()) : undefined;
- var match = matchKind && ts.findChildOfKind(token.parent, matchKind, sourceFile);
- // We want to order the braces when we return the result.
- return match ? [ts.createTextSpanFromNode(token, sourceFile), ts.createTextSpanFromNode(match, sourceFile)].sort(function (a, b) { return a.start - b.start; }) : ts.emptyArray;
- }
- function getIndentationAtPosition(fileName, position, editorOptions) {
- var start = ts.timestamp();
- var settings = toEditorSettings(editorOptions);
- var sourceFile = syntaxTreeCache.getCurrentSourceFile(fileName);
- log("getIndentationAtPosition: getCurrentSourceFile: " + (ts.timestamp() - start));
- start = ts.timestamp();
- var result = ts.formatting.SmartIndenter.getIndentation(position, sourceFile, settings);
- log("getIndentationAtPosition: computeIndentation : " + (ts.timestamp() - start));
- return result;
- }
- function getFormattingEditsForRange(fileName, start, end, options) {
- var sourceFile = syntaxTreeCache.getCurrentSourceFile(fileName);
- return ts.formatting.formatSelection(start, end, sourceFile, ts.formatting.getFormatContext(toEditorSettings(options), host));
- }
- function getFormattingEditsForDocument(fileName, options) {
- return ts.formatting.formatDocument(syntaxTreeCache.getCurrentSourceFile(fileName), ts.formatting.getFormatContext(toEditorSettings(options), host));
- }
- function getFormattingEditsAfterKeystroke(fileName, position, key, options) {
- var sourceFile = syntaxTreeCache.getCurrentSourceFile(fileName);
- var formatContext = ts.formatting.getFormatContext(toEditorSettings(options), host);
- if (!ts.isInComment(sourceFile, position)) {
- switch (key) {
- case "{":
- return ts.formatting.formatOnOpeningCurly(position, sourceFile, formatContext);
- case "}":
- return ts.formatting.formatOnClosingCurly(position, sourceFile, formatContext);
- case ";":
- return ts.formatting.formatOnSemicolon(position, sourceFile, formatContext);
- case "\n":
- return ts.formatting.formatOnEnter(position, sourceFile, formatContext);
- }
- }
- return [];
- }
- function getCodeFixesAtPosition(fileName, start, end, errorCodes, formatOptions, preferences) {
- if (preferences === void 0) { preferences = ts.emptyOptions; }
- synchronizeHostData();
- var sourceFile = getValidSourceFile(fileName);
- var span = ts.createTextSpanFromBounds(start, end);
- var formatContext = ts.formatting.getFormatContext(formatOptions, host);
- return ts.flatMap(ts.deduplicate(errorCodes, ts.equateValues, ts.compareValues), function (errorCode) {
- cancellationToken.throwIfCancellationRequested();
- return ts.codefix.getFixes({ errorCode: errorCode, sourceFile: sourceFile, span: span, program: program, host: host, cancellationToken: cancellationToken, formatContext: formatContext, preferences: preferences });
- });
- }
- function getCombinedCodeFix(scope, fixId, formatOptions, preferences) {
- if (preferences === void 0) { preferences = ts.emptyOptions; }
- synchronizeHostData();
- ts.Debug.assert(scope.type === "file");
- var sourceFile = getValidSourceFile(scope.fileName);
- var formatContext = ts.formatting.getFormatContext(formatOptions, host);
- return ts.codefix.getAllFixes({ fixId: fixId, sourceFile: sourceFile, program: program, host: host, cancellationToken: cancellationToken, formatContext: formatContext, preferences: preferences });
- }
- function organizeImports(scope, formatOptions, preferences) {
- if (preferences === void 0) { preferences = ts.emptyOptions; }
- synchronizeHostData();
- ts.Debug.assert(scope.type === "file");
- var sourceFile = getValidSourceFile(scope.fileName);
- var formatContext = ts.formatting.getFormatContext(formatOptions, host);
- return ts.OrganizeImports.organizeImports(sourceFile, formatContext, host, program, preferences);
- }
- function getEditsForFileRename(oldFilePath, newFilePath, formatOptions, preferences) {
- if (preferences === void 0) { preferences = ts.emptyOptions; }
- return ts.getEditsForFileRename(getProgram(), oldFilePath, newFilePath, host, ts.formatting.getFormatContext(formatOptions, host), preferences, sourceMapper);
- }
- function applyCodeActionCommand(fileName, actionOrFormatSettingsOrUndefined) {
- var action = typeof fileName === "string" ? actionOrFormatSettingsOrUndefined : fileName;
- return ts.isArray(action) ? Promise.all(action.map(function (a) { return applySingleCodeActionCommand(a); })) : applySingleCodeActionCommand(action);
- }
- function applySingleCodeActionCommand(action) {
- var getPath = function (path) { return ts.toPath(path, currentDirectory, getCanonicalFileName); };
- ts.Debug.assertEqual(action.type, "install package");
- return host.installPackage
- ? host.installPackage({ fileName: getPath(action.file), packageName: action.packageName })
- : Promise.reject("Host does not implement `installPackage`");
- }
- function getDocCommentTemplateAtPosition(fileName, position) {
- return ts.JsDoc.getDocCommentTemplateAtPosition(ts.getNewLineOrDefaultFromHost(host), syntaxTreeCache.getCurrentSourceFile(fileName), position);
- }
- function isValidBraceCompletionAtPosition(fileName, position, openingBrace) {
- // '<' is currently not supported, figuring out if we're in a Generic Type vs. a comparison is too
- // expensive to do during typing scenarios
- // i.e. whether we're dealing with:
- // var x = new foo<| ( with class foo<T>{} )
- // or
- // var y = 3 <|
- if (openingBrace === 60 /* lessThan */) {
- return false;
- }
- var sourceFile = syntaxTreeCache.getCurrentSourceFile(fileName);
- // Check if in a context where we don't want to perform any insertion
- if (ts.isInString(sourceFile, position)) {
- return false;
- }
- if (ts.isInsideJsxElementOrAttribute(sourceFile, position)) {
- return openingBrace === 123 /* openBrace */;
- }
- if (ts.isInTemplateString(sourceFile, position)) {
- return false;
- }
- switch (openingBrace) {
- case 39 /* singleQuote */:
- case 34 /* doubleQuote */:
- case 96 /* backtick */:
- return !ts.isInComment(sourceFile, position);
- }
- return true;
- }
- function getJsxClosingTagAtPosition(fileName, position) {
- var sourceFile = syntaxTreeCache.getCurrentSourceFile(fileName);
- var token = ts.findPrecedingToken(position, sourceFile);
- if (!token)
- return undefined;
- var element = token.kind === 31 /* GreaterThanToken */ && ts.isJsxOpeningElement(token.parent) ? token.parent.parent
- : ts.isJsxText(token) ? token.parent : undefined;
- if (element && isUnclosedTag(element)) {
- return { newText: "</" + element.openingElement.tagName.getText(sourceFile) + ">" };
- }
- }
- function isUnclosedTag(_a) {
- var openingElement = _a.openingElement, closingElement = _a.closingElement, parent = _a.parent;
- return !ts.tagNamesAreEquivalent(openingElement.tagName, closingElement.tagName) ||
- ts.isJsxElement(parent) && ts.tagNamesAreEquivalent(openingElement.tagName, parent.openingElement.tagName) && isUnclosedTag(parent);
- }
- function getSpanOfEnclosingComment(fileName, position, onlyMultiLine) {
- var sourceFile = syntaxTreeCache.getCurrentSourceFile(fileName);
- var range = ts.formatting.getRangeOfEnclosingComment(sourceFile, position);
- return range && (!onlyMultiLine || range.kind === 3 /* MultiLineCommentTrivia */) ? ts.createTextSpanFromRange(range) : undefined;
- }
- function getTodoComments(fileName, descriptors) {
- // Note: while getting todo comments seems like a syntactic operation, we actually
- // treat it as a semantic operation here. This is because we expect our host to call
- // this on every single file. If we treat this syntactically, then that will cause
- // us to populate and throw away the tree in our syntax tree cache for each file. By
- // treating this as a semantic operation, we can access any tree without throwing
- // anything away.
- synchronizeHostData();
- var sourceFile = getValidSourceFile(fileName);
- cancellationToken.throwIfCancellationRequested();
- var fileContents = sourceFile.text;
- var result = [];
- // Exclude node_modules files as we don't want to show the todos of external libraries.
- if (descriptors.length > 0 && !isNodeModulesFile(sourceFile.fileName)) {
- var regExp = getTodoCommentsRegExp();
- var matchArray = void 0;
- while (matchArray = regExp.exec(fileContents)) {
- cancellationToken.throwIfCancellationRequested();
- // If we got a match, here is what the match array will look like. Say the source text is:
- //
- // " // hack 1"
- //
- // The result array with the regexp: will be:
- //
- // ["// hack 1", "// ", "hack 1", undefined, "hack"]
- //
- // Here are the relevant capture groups:
- // 0) The full match for the entire regexp.
- // 1) The preamble to the message portion.
- // 2) The message portion.
- // 3...N) The descriptor that was matched - by index. 'undefined' for each
- // descriptor that didn't match. an actual value if it did match.
- //
- // i.e. 'undefined' in position 3 above means TODO(jason) didn't match.
- // "hack" in position 4 means HACK did match.
- var firstDescriptorCaptureIndex = 3;
- ts.Debug.assert(matchArray.length === descriptors.length + firstDescriptorCaptureIndex);
- var preamble = matchArray[1];
- var matchPosition = matchArray.index + preamble.length;
- // OK, we have found a match in the file. This is only an acceptable match if
- // it is contained within a comment.
- if (!ts.isInComment(sourceFile, matchPosition)) {
- continue;
- }
- var descriptor = void 0;
- for (var i = 0; i < descriptors.length; i++) {
- if (matchArray[i + firstDescriptorCaptureIndex]) {
- descriptor = descriptors[i];
- }
- }
- if (descriptor === undefined)
- return ts.Debug.fail();
- // We don't want to match something like 'TODOBY', so we make sure a non
- // letter/digit follows the match.
- if (isLetterOrDigit(fileContents.charCodeAt(matchPosition + descriptor.text.length))) {
- continue;
- }
- var message = matchArray[2];
- result.push({ descriptor: descriptor, message: message, position: matchPosition });
- }
- }
- return result;
- function escapeRegExp(str) {
- return str.replace(/[\-\[\]\/\{\}\(\)\*\+\?\.\\\^\$\|]/g, "\\$&");
- }
- function getTodoCommentsRegExp() {
- // NOTE: `?:` means 'non-capture group'. It allows us to have groups without having to
- // filter them out later in the final result array.
- // TODO comments can appear in one of the following forms:
- //
- // 1) // TODO or /////////// TODO
- //
- // 2) /* TODO or /********** TODO
- //
- // 3) /*
- // * TODO
- // */
- //
- // The following three regexps are used to match the start of the text up to the TODO
- // comment portion.
- var singleLineCommentStart = /(?:\/\/+\s*)/.source;
- var multiLineCommentStart = /(?:\/\*+\s*)/.source;
- var anyNumberOfSpacesAndAsterisksAtStartOfLine = /(?:^(?:\s|\*)*)/.source;
- // Match any of the above three TODO comment start regexps.
- // Note that the outermost group *is* a capture group. We want to capture the preamble
- // so that we can determine the starting position of the TODO comment match.
- var preamble = "(" + anyNumberOfSpacesAndAsterisksAtStartOfLine + "|" + singleLineCommentStart + "|" + multiLineCommentStart + ")";
- // Takes the descriptors and forms a regexp that matches them as if they were literals.
- // For example, if the descriptors are "TODO(jason)" and "HACK", then this will be:
- //
- // (?:(TODO\(jason\))|(HACK))
- //
- // Note that the outermost group is *not* a capture group, but the innermost groups
- // *are* capture groups. By capturing the inner literals we can determine after
- // matching which descriptor we are dealing with.
- var literals = "(?:" + ts.map(descriptors, function (d) { return "(" + escapeRegExp(d.text) + ")"; }).join("|") + ")";
- // After matching a descriptor literal, the following regexp matches the rest of the
- // text up to the end of the line (or */).
- var endOfLineOrEndOfComment = /(?:$|\*\/)/.source;
- var messageRemainder = /(?:.*?)/.source;
- // This is the portion of the match we'll return as part of the TODO comment result. We
- // match the literal portion up to the end of the line or end of comment.
- var messagePortion = "(" + literals + messageRemainder + ")";
- var regExpString = preamble + messagePortion + endOfLineOrEndOfComment;
- // The final regexp will look like this:
- // /((?:\/\/+\s*)|(?:\/\*+\s*)|(?:^(?:\s|\*)*))((?:(TODO\(jason\))|(HACK))(?:.*?))(?:$|\*\/)/gim
- // The flags of the regexp are important here.
- // 'g' is so that we are doing a global search and can find matches several times
- // in the input.
- //
- // 'i' is for case insensitivity (We do this to match C# TODO comment code).
- //
- // 'm' is so we can find matches in a multi-line input.
- return new RegExp(regExpString, "gim");
- }
- function isLetterOrDigit(char) {
- return (char >= 97 /* a */ && char <= 122 /* z */) ||
- (char >= 65 /* A */ && char <= 90 /* Z */) ||
- (char >= 48 /* _0 */ && char <= 57 /* _9 */);
- }
- function isNodeModulesFile(path) {
- return ts.stringContains(path, "/node_modules/");
- }
- }
- function getRenameInfo(fileName, position, options) {
- synchronizeHostData();
- return ts.Rename.getRenameInfo(program, getValidSourceFile(fileName), position, options);
- }
- function getRefactorContext(file, positionOrRange, preferences, formatOptions) {
- var _a = typeof positionOrRange === "number" ? [positionOrRange, undefined] : [positionOrRange.pos, positionOrRange.end], startPosition = _a[0], endPosition = _a[1];
- return {
- file: file,
- startPosition: startPosition,
- endPosition: endPosition,
- program: getProgram(),
- host: host,
- formatContext: ts.formatting.getFormatContext(formatOptions, host),
- cancellationToken: cancellationToken,
- preferences: preferences,
- };
- }
- function getSmartSelectionRange(fileName, position) {
- return ts.SmartSelectionRange.getSmartSelectionRange(position, syntaxTreeCache.getCurrentSourceFile(fileName));
- }
- function getApplicableRefactors(fileName, positionOrRange, preferences) {
- if (preferences === void 0) { preferences = ts.emptyOptions; }
- synchronizeHostData();
- var file = getValidSourceFile(fileName);
- return ts.refactor.getApplicableRefactors(getRefactorContext(file, positionOrRange, preferences));
- }
- function getEditsForRefactor(fileName, formatOptions, positionOrRange, refactorName, actionName, preferences) {
- if (preferences === void 0) { preferences = ts.emptyOptions; }
- synchronizeHostData();
- var file = getValidSourceFile(fileName);
- return ts.refactor.getEditsForRefactor(getRefactorContext(file, positionOrRange, preferences, formatOptions), refactorName, actionName);
- }
- function prepareCallHierarchy(fileName, position) {
- synchronizeHostData();
- var declarations = ts.CallHierarchy.resolveCallHierarchyDeclaration(program, ts.getTouchingPropertyName(getValidSourceFile(fileName), position));
- return declarations && ts.mapOneOrMany(declarations, function (declaration) { return ts.CallHierarchy.createCallHierarchyItem(program, declaration); });
- }
- function provideCallHierarchyIncomingCalls(fileName, position) {
- synchronizeHostData();
- var sourceFile = getValidSourceFile(fileName);
- var declaration = ts.firstOrOnly(ts.CallHierarchy.resolveCallHierarchyDeclaration(program, position === 0 ? sourceFile : ts.getTouchingPropertyName(sourceFile, position)));
- return declaration ? ts.CallHierarchy.getIncomingCalls(program, declaration, cancellationToken) : [];
- }
- function provideCallHierarchyOutgoingCalls(fileName, position) {
- synchronizeHostData();
- var sourceFile = getValidSourceFile(fileName);
- var declaration = ts.firstOrOnly(ts.CallHierarchy.resolveCallHierarchyDeclaration(program, position === 0 ? sourceFile : ts.getTouchingPropertyName(sourceFile, position)));
- return declaration ? ts.CallHierarchy.getOutgoingCalls(program, declaration) : [];
- }
- return {
- dispose: dispose,
- cleanupSemanticCache: cleanupSemanticCache,
- getSyntacticDiagnostics: getSyntacticDiagnostics,
- getSemanticDiagnostics: getSemanticDiagnostics,
- getSuggestionDiagnostics: getSuggestionDiagnostics,
- getCompilerOptionsDiagnostics: getCompilerOptionsDiagnostics,
- getSyntacticClassifications: getSyntacticClassifications,
- getSemanticClassifications: getSemanticClassifications,
- getEncodedSyntacticClassifications: getEncodedSyntacticClassifications,
- getEncodedSemanticClassifications: getEncodedSemanticClassifications,
- getCompletionsAtPosition: getCompletionsAtPosition,
- getCompletionEntryDetails: getCompletionEntryDetails,
- getCompletionEntrySymbol: getCompletionEntrySymbol,
- getSignatureHelpItems: getSignatureHelpItems,
- getQuickInfoAtPosition: getQuickInfoAtPosition,
- getDefinitionAtPosition: getDefinitionAtPosition,
- getDefinitionAndBoundSpan: getDefinitionAndBoundSpan,
- getImplementationAtPosition: getImplementationAtPosition,
- getTypeDefinitionAtPosition: getTypeDefinitionAtPosition,
- getReferencesAtPosition: getReferencesAtPosition,
- findReferences: findReferences,
- getOccurrencesAtPosition: getOccurrencesAtPosition,
- getDocumentHighlights: getDocumentHighlights,
- getNameOrDottedNameSpan: getNameOrDottedNameSpan,
- getBreakpointStatementAtPosition: getBreakpointStatementAtPosition,
- getNavigateToItems: getNavigateToItems,
- getRenameInfo: getRenameInfo,
- getSmartSelectionRange: getSmartSelectionRange,
- findRenameLocations: findRenameLocations,
- getNavigationBarItems: getNavigationBarItems,
- getNavigationTree: getNavigationTree,
- getOutliningSpans: getOutliningSpans,
- getTodoComments: getTodoComments,
- getBraceMatchingAtPosition: getBraceMatchingAtPosition,
- getIndentationAtPosition: getIndentationAtPosition,
- getFormattingEditsForRange: getFormattingEditsForRange,
- getFormattingEditsForDocument: getFormattingEditsForDocument,
- getFormattingEditsAfterKeystroke: getFormattingEditsAfterKeystroke,
- getDocCommentTemplateAtPosition: getDocCommentTemplateAtPosition,
- isValidBraceCompletionAtPosition: isValidBraceCompletionAtPosition,
- getJsxClosingTagAtPosition: getJsxClosingTagAtPosition,
- getSpanOfEnclosingComment: getSpanOfEnclosingComment,
- getCodeFixesAtPosition: getCodeFixesAtPosition,
- getCombinedCodeFix: getCombinedCodeFix,
- applyCodeActionCommand: applyCodeActionCommand,
- organizeImports: organizeImports,
- getEditsForFileRename: getEditsForFileRename,
- getEmitOutput: getEmitOutput,
- getNonBoundSourceFile: getNonBoundSourceFile,
- getProgram: getProgram,
- getApplicableRefactors: getApplicableRefactors,
- getEditsForRefactor: getEditsForRefactor,
- toLineColumnOffset: sourceMapper.toLineColumnOffset,
- getSourceMapper: function () { return sourceMapper; },
- clearSourceMapperCache: function () { return sourceMapper.clearCache(); },
- prepareCallHierarchy: prepareCallHierarchy,
- provideCallHierarchyIncomingCalls: provideCallHierarchyIncomingCalls,
- provideCallHierarchyOutgoingCalls: provideCallHierarchyOutgoingCalls
- };
- }
- ts.createLanguageService = createLanguageService;
- /* @internal */
- /** Names in the name table are escaped, so an identifier `__foo` will have a name table entry `___foo`. */
- function getNameTable(sourceFile) {
- if (!sourceFile.nameTable) {
- initializeNameTable(sourceFile);
- }
- return sourceFile.nameTable; // TODO: GH#18217
- }
- ts.getNameTable = getNameTable;
- function initializeNameTable(sourceFile) {
- var nameTable = sourceFile.nameTable = ts.createUnderscoreEscapedMap();
- sourceFile.forEachChild(function walk(node) {
- if (ts.isIdentifier(node) && !ts.isTagName(node) && node.escapedText || ts.isStringOrNumericLiteralLike(node) && literalIsName(node)) {
- var text = ts.getEscapedTextOfIdentifierOrLiteral(node);
- nameTable.set(text, nameTable.get(text) === undefined ? node.pos : -1);
- }
- else if (ts.isPrivateIdentifier(node)) {
- var text = node.escapedText;
- nameTable.set(text, nameTable.get(text) === undefined ? node.pos : -1);
- }
- ts.forEachChild(node, walk);
- if (ts.hasJSDocNodes(node)) {
- for (var _i = 0, _a = node.jsDoc; _i < _a.length; _i++) {
- var jsDoc = _a[_i];
- ts.forEachChild(jsDoc, walk);
- }
- }
- });
- }
- /**
- * We want to store any numbers/strings if they were a name that could be
- * related to a declaration. So, if we have 'import x = require("something")'
- * then we want 'something' to be in the name table. Similarly, if we have
- * "a['propname']" then we want to store "propname" in the name table.
- */
- function literalIsName(node) {
- return ts.isDeclarationName(node) ||
- node.parent.kind === 265 /* ExternalModuleReference */ ||
- isArgumentOfElementAccessExpression(node) ||
- ts.isLiteralComputedPropertyDeclarationName(node);
- }
- /**
- * Returns the containing object literal property declaration given a possible name node, e.g. "a" in x = { "a": 1 }
- */
- /* @internal */
- function getContainingObjectLiteralElement(node) {
- var element = getContainingObjectLiteralElementWorker(node);
- return element && (ts.isObjectLiteralExpression(element.parent) || ts.isJsxAttributes(element.parent)) ? element : undefined;
- }
- ts.getContainingObjectLiteralElement = getContainingObjectLiteralElement;
- function getContainingObjectLiteralElementWorker(node) {
- switch (node.kind) {
- case 10 /* StringLiteral */:
- case 14 /* NoSubstitutionTemplateLiteral */:
- case 8 /* NumericLiteral */:
- if (node.parent.kind === 154 /* ComputedPropertyName */) {
- return ts.isObjectLiteralElement(node.parent.parent) ? node.parent.parent : undefined;
- }
- // falls through
- case 75 /* Identifier */:
- return ts.isObjectLiteralElement(node.parent) &&
- (node.parent.parent.kind === 193 /* ObjectLiteralExpression */ || node.parent.parent.kind === 274 /* JsxAttributes */) &&
- node.parent.name === node ? node.parent : undefined;
- }
- return undefined;
- }
- function getSymbolAtLocationForQuickInfo(node, checker) {
- var object = getContainingObjectLiteralElement(node);
- if (object) {
- var contextualType = checker.getContextualType(object.parent);
- var properties = contextualType && getPropertySymbolsFromContextualType(object, checker, contextualType, /*unionSymbolOk*/ false);
- if (properties && properties.length === 1) {
- return ts.first(properties);
- }
- }
- return checker.getSymbolAtLocation(node);
- }
- /** Gets all symbols for one property. Does not get symbols for every property. */
- /* @internal */
- function getPropertySymbolsFromContextualType(node, checker, contextualType, unionSymbolOk) {
- var name = ts.getNameFromPropertyName(node.name);
- if (!name)
- return ts.emptyArray;
- if (!contextualType.isUnion()) {
- var symbol = contextualType.getProperty(name);
- return symbol ? [symbol] : ts.emptyArray;
- }
- var discriminatedPropertySymbols = ts.mapDefined(contextualType.types, function (t) { return ts.isObjectLiteralExpression(node.parent) && checker.isTypeInvalidDueToUnionDiscriminant(t, node.parent) ? undefined : t.getProperty(name); });
- if (unionSymbolOk && (discriminatedPropertySymbols.length === 0 || discriminatedPropertySymbols.length === contextualType.types.length)) {
- var symbol = contextualType.getProperty(name);
- if (symbol)
- return [symbol];
- }
- if (discriminatedPropertySymbols.length === 0) {
- // Bad discriminant -- do again without discriminating
- return ts.mapDefined(contextualType.types, function (t) { return t.getProperty(name); });
- }
- return discriminatedPropertySymbols;
- }
- ts.getPropertySymbolsFromContextualType = getPropertySymbolsFromContextualType;
- function isArgumentOfElementAccessExpression(node) {
- return node &&
- node.parent &&
- node.parent.kind === 195 /* ElementAccessExpression */ &&
- node.parent.argumentExpression === node;
- }
- /**
- * Get the path of the default library files (lib.d.ts) as distributed with the typescript
- * node package.
- * The functionality is not supported if the ts module is consumed outside of a node module.
- */
- function getDefaultLibFilePath(options) {
- // Check __dirname is defined and that we are on a node.js system.
- if (typeof __dirname !== "undefined") {
- return __dirname + ts.directorySeparator + ts.getDefaultLibFileName(options);
- }
- throw new Error("getDefaultLibFilePath is only supported when consumed as a node module. ");
- }
- ts.getDefaultLibFilePath = getDefaultLibFilePath;
- ts.setObjectAllocator(getServicesObjectAllocator());
-})(ts || (ts = {}));
-/* @internal */
-var ts;
-(function (ts) {
- var BreakpointResolver;
- (function (BreakpointResolver) {
- /**
- * Get the breakpoint span in given sourceFile
- */
- function spanInSourceFileAtLocation(sourceFile, position) {
- // Cannot set breakpoint in dts file
- if (sourceFile.isDeclarationFile) {
- return undefined;
- }
- var tokenAtLocation = ts.getTokenAtPosition(sourceFile, position);
- var lineOfPosition = sourceFile.getLineAndCharacterOfPosition(position).line;
- if (sourceFile.getLineAndCharacterOfPosition(tokenAtLocation.getStart(sourceFile)).line > lineOfPosition) {
- // Get previous token if the token is returned starts on new line
- // eg: let x =10; |--- cursor is here
- // let y = 10;
- // token at position will return let keyword on second line as the token but we would like to use
- // token on same line if trailing trivia (comments or white spaces on same line) part of the last token on that line
- var preceding = ts.findPrecedingToken(tokenAtLocation.pos, sourceFile);
- // It's a blank line
- if (!preceding || sourceFile.getLineAndCharacterOfPosition(preceding.getEnd()).line !== lineOfPosition) {
- return undefined;
- }
- tokenAtLocation = preceding;
- }
- // Cannot set breakpoint in ambient declarations
- if (tokenAtLocation.flags & 8388608 /* Ambient */) {
- return undefined;
- }
- // Get the span in the node based on its syntax
- return spanInNode(tokenAtLocation);
- function textSpan(startNode, endNode) {
- var start = startNode.decorators ?
- ts.skipTrivia(sourceFile.text, startNode.decorators.end) :
- startNode.getStart(sourceFile);
- return ts.createTextSpanFromBounds(start, (endNode || startNode).getEnd());
- }
- function textSpanEndingAtNextToken(startNode, previousTokenToFindNextEndToken) {
- return textSpan(startNode, ts.findNextToken(previousTokenToFindNextEndToken, previousTokenToFindNextEndToken.parent, sourceFile));
- }
- function spanInNodeIfStartsOnSameLine(node, otherwiseOnNode) {
- if (node && lineOfPosition === sourceFile.getLineAndCharacterOfPosition(node.getStart(sourceFile)).line) {
- return spanInNode(node);
- }
- return spanInNode(otherwiseOnNode);
- }
- function spanInNodeArray(nodeArray) {
- return ts.createTextSpanFromBounds(ts.skipTrivia(sourceFile.text, nodeArray.pos), nodeArray.end);
- }
- function spanInPreviousNode(node) {
- return spanInNode(ts.findPrecedingToken(node.pos, sourceFile));
- }
- function spanInNextNode(node) {
- return spanInNode(ts.findNextToken(node, node.parent, sourceFile));
- }
- function spanInNode(node) {
- if (node) {
- var parent = node.parent;
- switch (node.kind) {
- case 225 /* VariableStatement */:
- // Span on first variable declaration
- return spanInVariableDeclaration(node.declarationList.declarations[0]);
- case 242 /* VariableDeclaration */:
- case 159 /* PropertyDeclaration */:
- case 158 /* PropertySignature */:
- return spanInVariableDeclaration(node);
- case 156 /* Parameter */:
- return spanInParameterDeclaration(node);
- case 244 /* FunctionDeclaration */:
- case 161 /* MethodDeclaration */:
- case 160 /* MethodSignature */:
- case 163 /* GetAccessor */:
- case 164 /* SetAccessor */:
- case 162 /* Constructor */:
- case 201 /* FunctionExpression */:
- case 202 /* ArrowFunction */:
- return spanInFunctionDeclaration(node);
- case 223 /* Block */:
- if (ts.isFunctionBlock(node)) {
- return spanInFunctionBlock(node);
- }
- // falls through
- case 250 /* ModuleBlock */:
- return spanInBlock(node);
- case 280 /* CatchClause */:
- return spanInBlock(node.block);
- case 226 /* ExpressionStatement */:
- // span on the expression
- return textSpan(node.expression);
- case 235 /* ReturnStatement */:
- // span on return keyword and expression if present
- return textSpan(node.getChildAt(0), node.expression);
- case 229 /* WhileStatement */:
- // Span on while(...)
- return textSpanEndingAtNextToken(node, node.expression);
- case 228 /* DoStatement */:
- // span in statement of the do statement
- return spanInNode(node.statement);
- case 241 /* DebuggerStatement */:
- // span on debugger keyword
- return textSpan(node.getChildAt(0));
- case 227 /* IfStatement */:
- // set on if(..) span
- return textSpanEndingAtNextToken(node, node.expression);
- case 238 /* LabeledStatement */:
- // span in statement
- return spanInNode(node.statement);
- case 234 /* BreakStatement */:
- case 233 /* ContinueStatement */:
- // On break or continue keyword and label if present
- return textSpan(node.getChildAt(0), node.label);
- case 230 /* ForStatement */:
- return spanInForStatement(node);
- case 231 /* ForInStatement */:
- // span of for (a in ...)
- return textSpanEndingAtNextToken(node, node.expression);
- case 232 /* ForOfStatement */:
- // span in initializer
- return spanInInitializerOfForLike(node);
- case 237 /* SwitchStatement */:
- // span on switch(...)
- return textSpanEndingAtNextToken(node, node.expression);
- case 277 /* CaseClause */:
- case 278 /* DefaultClause */:
- // span in first statement of the clause
- return spanInNode(node.statements[0]);
- case 240 /* TryStatement */:
- // span in try block
- return spanInBlock(node.tryBlock);
- case 239 /* ThrowStatement */:
- // span in throw ...
- return textSpan(node, node.expression);
- case 259 /* ExportAssignment */:
- // span on export = id
- return textSpan(node, node.expression);
- case 253 /* ImportEqualsDeclaration */:
- // import statement without including semicolon
- return textSpan(node, node.moduleReference);
- case 254 /* ImportDeclaration */:
- // import statement without including semicolon
- return textSpan(node, node.moduleSpecifier);
- case 260 /* ExportDeclaration */:
- // import statement without including semicolon
- return textSpan(node, node.moduleSpecifier);
- case 249 /* ModuleDeclaration */:
- // span on complete module if it is instantiated
- if (ts.getModuleInstanceState(node) !== 1 /* Instantiated */) {
- return undefined;
- }
- // falls through
- case 245 /* ClassDeclaration */:
- case 248 /* EnumDeclaration */:
- case 284 /* EnumMember */:
- case 191 /* BindingElement */:
- // span on complete node
- return textSpan(node);
- case 236 /* WithStatement */:
- // span in statement
- return spanInNode(node.statement);
- case 157 /* Decorator */:
- return spanInNodeArray(parent.decorators);
- case 189 /* ObjectBindingPattern */:
- case 190 /* ArrayBindingPattern */:
- return spanInBindingPattern(node);
- // No breakpoint in interface, type alias
- case 246 /* InterfaceDeclaration */:
- case 247 /* TypeAliasDeclaration */:
- return undefined;
- // Tokens:
- case 26 /* SemicolonToken */:
- case 1 /* EndOfFileToken */:
- return spanInNodeIfStartsOnSameLine(ts.findPrecedingToken(node.pos, sourceFile));
- case 27 /* CommaToken */:
- return spanInPreviousNode(node);
- case 18 /* OpenBraceToken */:
- return spanInOpenBraceToken(node);
- case 19 /* CloseBraceToken */:
- return spanInCloseBraceToken(node);
- case 23 /* CloseBracketToken */:
- return spanInCloseBracketToken(node);
- case 20 /* OpenParenToken */:
- return spanInOpenParenToken(node);
- case 21 /* CloseParenToken */:
- return spanInCloseParenToken(node);
- case 58 /* ColonToken */:
- return spanInColonToken(node);
- case 31 /* GreaterThanToken */:
- case 29 /* LessThanToken */:
- return spanInGreaterThanOrLessThanToken(node);
- // Keywords:
- case 111 /* WhileKeyword */:
- return spanInWhileKeyword(node);
- case 87 /* ElseKeyword */:
- case 79 /* CatchKeyword */:
- case 92 /* FinallyKeyword */:
- return spanInNextNode(node);
- case 152 /* OfKeyword */:
- return spanInOfKeyword(node);
- default:
- // Destructuring pattern in destructuring assignment
- // [a, b, c] of
- // [a, b, c] = expression
- if (ts.isArrayLiteralOrObjectLiteralDestructuringPattern(node)) {
- return spanInArrayLiteralOrObjectLiteralDestructuringPattern(node);
- }
- // Set breakpoint on identifier element of destructuring pattern
- // `a` or `...c` or `d: x` from
- // `[a, b, ...c]` or `{ a, b }` or `{ d: x }` from destructuring pattern
- if ((node.kind === 75 /* Identifier */ ||
- node.kind === 213 /* SpreadElement */ ||
- node.kind === 281 /* PropertyAssignment */ ||
- node.kind === 282 /* ShorthandPropertyAssignment */) &&
- ts.isArrayLiteralOrObjectLiteralDestructuringPattern(parent)) {
- return textSpan(node);
- }
- if (node.kind === 209 /* BinaryExpression */) {
- var _a = node, left = _a.left, operatorToken = _a.operatorToken;
- // Set breakpoint in destructuring pattern if its destructuring assignment
- // [a, b, c] or {a, b, c} of
- // [a, b, c] = expression or
- // {a, b, c} = expression
- if (ts.isArrayLiteralOrObjectLiteralDestructuringPattern(left)) {
- return spanInArrayLiteralOrObjectLiteralDestructuringPattern(left);
- }
- if (operatorToken.kind === 62 /* EqualsToken */ && ts.isArrayLiteralOrObjectLiteralDestructuringPattern(node.parent)) {
- // Set breakpoint on assignment expression element of destructuring pattern
- // a = expression of
- // [a = expression, b, c] = someExpression or
- // { a = expression, b, c } = someExpression
- return textSpan(node);
- }
- if (operatorToken.kind === 27 /* CommaToken */) {
- return spanInNode(left);
- }
- }
- if (ts.isExpressionNode(node)) {
- switch (parent.kind) {
- case 228 /* DoStatement */:
- // Set span as if on while keyword
- return spanInPreviousNode(node);
- case 157 /* Decorator */:
- // Set breakpoint on the decorator emit
- return spanInNode(node.parent);
- case 230 /* ForStatement */:
- case 232 /* ForOfStatement */:
- return textSpan(node);
- case 209 /* BinaryExpression */:
- if (node.parent.operatorToken.kind === 27 /* CommaToken */) {
- // If this is a comma expression, the breakpoint is possible in this expression
- return textSpan(node);
- }
- break;
- case 202 /* ArrowFunction */:
- if (node.parent.body === node) {
- // If this is body of arrow function, it is allowed to have the breakpoint
- return textSpan(node);
- }
- break;
- }
- }
- switch (node.parent.kind) {
- case 281 /* PropertyAssignment */:
- // If this is name of property assignment, set breakpoint in the initializer
- if (node.parent.name === node &&
- !ts.isArrayLiteralOrObjectLiteralDestructuringPattern(node.parent.parent)) {
- return spanInNode(node.parent.initializer);
- }
- break;
- case 199 /* TypeAssertionExpression */:
- // Breakpoint in type assertion goes to its operand
- if (node.parent.type === node) {
- return spanInNextNode(node.parent.type);
- }
- break;
- case 242 /* VariableDeclaration */:
- case 156 /* Parameter */: {
- // initializer of variable/parameter declaration go to previous node
- var _b = node.parent, initializer = _b.initializer, type = _b.type;
- if (initializer === node || type === node || ts.isAssignmentOperator(node.kind)) {
- return spanInPreviousNode(node);
- }
- break;
- }
- case 209 /* BinaryExpression */: {
- var left = node.parent.left;
- if (ts.isArrayLiteralOrObjectLiteralDestructuringPattern(left) && node !== left) {
- // If initializer of destructuring assignment move to previous token
- return spanInPreviousNode(node);
- }
- break;
- }
- default:
- // return type of function go to previous token
- if (ts.isFunctionLike(node.parent) && node.parent.type === node) {
- return spanInPreviousNode(node);
- }
- }
- // Default go to parent to set the breakpoint
- return spanInNode(node.parent);
- }
- }
- function textSpanFromVariableDeclaration(variableDeclaration) {
- if (ts.isVariableDeclarationList(variableDeclaration.parent) && variableDeclaration.parent.declarations[0] === variableDeclaration) {
- // First declaration - include let keyword
- return textSpan(ts.findPrecedingToken(variableDeclaration.pos, sourceFile, variableDeclaration.parent), variableDeclaration);
- }
- else {
- // Span only on this declaration
- return textSpan(variableDeclaration);
- }
- }
- function spanInVariableDeclaration(variableDeclaration) {
- // If declaration of for in statement, just set the span in parent
- if (variableDeclaration.parent.parent.kind === 231 /* ForInStatement */) {
- return spanInNode(variableDeclaration.parent.parent);
- }
- var parent = variableDeclaration.parent;
- // If this is a destructuring pattern, set breakpoint in binding pattern
- if (ts.isBindingPattern(variableDeclaration.name)) {
- return spanInBindingPattern(variableDeclaration.name);
- }
- // Breakpoint is possible in variableDeclaration only if there is initialization
- // or its declaration from 'for of'
- if (variableDeclaration.initializer ||
- ts.hasModifier(variableDeclaration, 1 /* Export */) ||
- parent.parent.kind === 232 /* ForOfStatement */) {
- return textSpanFromVariableDeclaration(variableDeclaration);
- }
- if (ts.isVariableDeclarationList(variableDeclaration.parent) &&
- variableDeclaration.parent.declarations[0] !== variableDeclaration) {
- // If we cannot set breakpoint on this declaration, set it on previous one
- // Because the variable declaration may be binding pattern and
- // we would like to set breakpoint in last binding element if that's the case,
- // use preceding token instead
- return spanInNode(ts.findPrecedingToken(variableDeclaration.pos, sourceFile, variableDeclaration.parent));
- }
- }
- function canHaveSpanInParameterDeclaration(parameter) {
- // Breakpoint is possible on parameter only if it has initializer, is a rest parameter, or has public or private modifier
- return !!parameter.initializer || parameter.dotDotDotToken !== undefined ||
- ts.hasModifier(parameter, 4 /* Public */ | 8 /* Private */);
- }
- function spanInParameterDeclaration(parameter) {
- if (ts.isBindingPattern(parameter.name)) {
- // Set breakpoint in binding pattern
- return spanInBindingPattern(parameter.name);
- }
- else if (canHaveSpanInParameterDeclaration(parameter)) {
- return textSpan(parameter);
- }
- else {
- var functionDeclaration = parameter.parent;
- var indexOfParameter = functionDeclaration.parameters.indexOf(parameter);
- ts.Debug.assert(indexOfParameter !== -1);
- if (indexOfParameter !== 0) {
- // Not a first parameter, go to previous parameter
- return spanInParameterDeclaration(functionDeclaration.parameters[indexOfParameter - 1]);
- }
- else {
- // Set breakpoint in the function declaration body
- return spanInNode(functionDeclaration.body);
- }
- }
- }
- function canFunctionHaveSpanInWholeDeclaration(functionDeclaration) {
- return ts.hasModifier(functionDeclaration, 1 /* Export */) ||
- (functionDeclaration.parent.kind === 245 /* ClassDeclaration */ && functionDeclaration.kind !== 162 /* Constructor */);
- }
- function spanInFunctionDeclaration(functionDeclaration) {
- // No breakpoints in the function signature
- if (!functionDeclaration.body) {
- return undefined;
- }
- if (canFunctionHaveSpanInWholeDeclaration(functionDeclaration)) {
- // Set the span on whole function declaration
- return textSpan(functionDeclaration);
- }
- // Set span in function body
- return spanInNode(functionDeclaration.body);
- }
- function spanInFunctionBlock(block) {
- var nodeForSpanInBlock = block.statements.length ? block.statements[0] : block.getLastToken();
- if (canFunctionHaveSpanInWholeDeclaration(block.parent)) {
- return spanInNodeIfStartsOnSameLine(block.parent, nodeForSpanInBlock);
- }
- return spanInNode(nodeForSpanInBlock);
- }
- function spanInBlock(block) {
- switch (block.parent.kind) {
- case 249 /* ModuleDeclaration */:
- if (ts.getModuleInstanceState(block.parent) !== 1 /* Instantiated */) {
- return undefined;
- }
- // Set on parent if on same line otherwise on first statement
- // falls through
- case 229 /* WhileStatement */:
- case 227 /* IfStatement */:
- case 231 /* ForInStatement */:
- return spanInNodeIfStartsOnSameLine(block.parent, block.statements[0]);
- // Set span on previous token if it starts on same line otherwise on the first statement of the block
- case 230 /* ForStatement */:
- case 232 /* ForOfStatement */:
- return spanInNodeIfStartsOnSameLine(ts.findPrecedingToken(block.pos, sourceFile, block.parent), block.statements[0]);
- }
- // Default action is to set on first statement
- return spanInNode(block.statements[0]);
- }
- function spanInInitializerOfForLike(forLikeStatement) {
- if (forLikeStatement.initializer.kind === 243 /* VariableDeclarationList */) {
- // Declaration list - set breakpoint in first declaration
- var variableDeclarationList = forLikeStatement.initializer;
- if (variableDeclarationList.declarations.length > 0) {
- return spanInNode(variableDeclarationList.declarations[0]);
- }
- }
- else {
- // Expression - set breakpoint in it
- return spanInNode(forLikeStatement.initializer);
- }
- }
- function spanInForStatement(forStatement) {
- if (forStatement.initializer) {
- return spanInInitializerOfForLike(forStatement);
- }
- if (forStatement.condition) {
- return textSpan(forStatement.condition);
- }
- if (forStatement.incrementor) {
- return textSpan(forStatement.incrementor);
- }
- }
- function spanInBindingPattern(bindingPattern) {
- // Set breakpoint in first binding element
- var firstBindingElement = ts.forEach(bindingPattern.elements, function (element) { return element.kind !== 215 /* OmittedExpression */ ? element : undefined; });
- if (firstBindingElement) {
- return spanInNode(firstBindingElement);
- }
- // Empty binding pattern of binding element, set breakpoint on binding element
- if (bindingPattern.parent.kind === 191 /* BindingElement */) {
- return textSpan(bindingPattern.parent);
- }
- // Variable declaration is used as the span
- return textSpanFromVariableDeclaration(bindingPattern.parent);
- }
- function spanInArrayLiteralOrObjectLiteralDestructuringPattern(node) {
- ts.Debug.assert(node.kind !== 190 /* ArrayBindingPattern */ && node.kind !== 189 /* ObjectBindingPattern */);
- var elements = node.kind === 192 /* ArrayLiteralExpression */ ? node.elements : node.properties;
- var firstBindingElement = ts.forEach(elements, function (element) { return element.kind !== 215 /* OmittedExpression */ ? element : undefined; });
- if (firstBindingElement) {
- return spanInNode(firstBindingElement);
- }
- // Could be ArrayLiteral from destructuring assignment or
- // just nested element in another destructuring assignment
- // set breakpoint on assignment when parent is destructuring assignment
- // Otherwise set breakpoint for this element
- return textSpan(node.parent.kind === 209 /* BinaryExpression */ ? node.parent : node);
- }
- // Tokens:
- function spanInOpenBraceToken(node) {
- switch (node.parent.kind) {
- case 248 /* EnumDeclaration */:
- var enumDeclaration = node.parent;
- return spanInNodeIfStartsOnSameLine(ts.findPrecedingToken(node.pos, sourceFile, node.parent), enumDeclaration.members.length ? enumDeclaration.members[0] : enumDeclaration.getLastToken(sourceFile));
- case 245 /* ClassDeclaration */:
- var classDeclaration = node.parent;
- return spanInNodeIfStartsOnSameLine(ts.findPrecedingToken(node.pos, sourceFile, node.parent), classDeclaration.members.length ? classDeclaration.members[0] : classDeclaration.getLastToken(sourceFile));
- case 251 /* CaseBlock */:
- return spanInNodeIfStartsOnSameLine(node.parent.parent, node.parent.clauses[0]);
- }
- // Default to parent node
- return spanInNode(node.parent);
- }
- function spanInCloseBraceToken(node) {
- switch (node.parent.kind) {
- case 250 /* ModuleBlock */:
- // If this is not an instantiated module block, no bp span
- if (ts.getModuleInstanceState(node.parent.parent) !== 1 /* Instantiated */) {
- return undefined;
- }
- // falls through
- case 248 /* EnumDeclaration */:
- case 245 /* ClassDeclaration */:
- // Span on close brace token
- return textSpan(node);
- case 223 /* Block */:
- if (ts.isFunctionBlock(node.parent)) {
- // Span on close brace token
- return textSpan(node);
- }
- // falls through
- case 280 /* CatchClause */:
- return spanInNode(ts.lastOrUndefined(node.parent.statements));
- case 251 /* CaseBlock */:
- // breakpoint in last statement of the last clause
- var caseBlock = node.parent;
- var lastClause = ts.lastOrUndefined(caseBlock.clauses);
- if (lastClause) {
- return spanInNode(ts.lastOrUndefined(lastClause.statements));
- }
- return undefined;
- case 189 /* ObjectBindingPattern */:
- // Breakpoint in last binding element or binding pattern if it contains no elements
- var bindingPattern = node.parent;
- return spanInNode(ts.lastOrUndefined(bindingPattern.elements) || bindingPattern);
- // Default to parent node
- default:
- if (ts.isArrayLiteralOrObjectLiteralDestructuringPattern(node.parent)) {
- // Breakpoint in last binding element or binding pattern if it contains no elements
- var objectLiteral = node.parent;
- return textSpan(ts.lastOrUndefined(objectLiteral.properties) || objectLiteral);
- }
- return spanInNode(node.parent);
- }
- }
- function spanInCloseBracketToken(node) {
- switch (node.parent.kind) {
- case 190 /* ArrayBindingPattern */:
- // Breakpoint in last binding element or binding pattern if it contains no elements
- var bindingPattern = node.parent;
- return textSpan(ts.lastOrUndefined(bindingPattern.elements) || bindingPattern);
- default:
- if (ts.isArrayLiteralOrObjectLiteralDestructuringPattern(node.parent)) {
- // Breakpoint in last binding element or binding pattern if it contains no elements
- var arrayLiteral = node.parent;
- return textSpan(ts.lastOrUndefined(arrayLiteral.elements) || arrayLiteral);
- }
- // Default to parent node
- return spanInNode(node.parent);
- }
- }
- function spanInOpenParenToken(node) {
- if (node.parent.kind === 228 /* DoStatement */ || // Go to while keyword and do action instead
- node.parent.kind === 196 /* CallExpression */ ||
- node.parent.kind === 197 /* NewExpression */) {
- return spanInPreviousNode(node);
- }
- if (node.parent.kind === 200 /* ParenthesizedExpression */) {
- return spanInNextNode(node);
- }
- // Default to parent node
- return spanInNode(node.parent);
- }
- function spanInCloseParenToken(node) {
- // Is this close paren token of parameter list, set span in previous token
- switch (node.parent.kind) {
- case 201 /* FunctionExpression */:
- case 244 /* FunctionDeclaration */:
- case 202 /* ArrowFunction */:
- case 161 /* MethodDeclaration */:
- case 160 /* MethodSignature */:
- case 163 /* GetAccessor */:
- case 164 /* SetAccessor */:
- case 162 /* Constructor */:
- case 229 /* WhileStatement */:
- case 228 /* DoStatement */:
- case 230 /* ForStatement */:
- case 232 /* ForOfStatement */:
- case 196 /* CallExpression */:
- case 197 /* NewExpression */:
- case 200 /* ParenthesizedExpression */:
- return spanInPreviousNode(node);
- // Default to parent node
- default:
- return spanInNode(node.parent);
- }
- }
- function spanInColonToken(node) {
- // Is this : specifying return annotation of the function declaration
- if (ts.isFunctionLike(node.parent) ||
- node.parent.kind === 281 /* PropertyAssignment */ ||
- node.parent.kind === 156 /* Parameter */) {
- return spanInPreviousNode(node);
- }
- return spanInNode(node.parent);
- }
- function spanInGreaterThanOrLessThanToken(node) {
- if (node.parent.kind === 199 /* TypeAssertionExpression */) {
- return spanInNextNode(node);
- }
- return spanInNode(node.parent);
- }
- function spanInWhileKeyword(node) {
- if (node.parent.kind === 228 /* DoStatement */) {
- // Set span on while expression
- return textSpanEndingAtNextToken(node, node.parent.expression);
- }
- // Default to parent node
- return spanInNode(node.parent);
- }
- function spanInOfKeyword(node) {
- if (node.parent.kind === 232 /* ForOfStatement */) {
- // Set using next token
- return spanInNextNode(node);
- }
- // Default to parent node
- return spanInNode(node.parent);
- }
- }
- }
- BreakpointResolver.spanInSourceFileAtLocation = spanInSourceFileAtLocation;
- })(BreakpointResolver = ts.BreakpointResolver || (ts.BreakpointResolver = {}));
-})(ts || (ts = {}));
-var ts;
-(function (ts) {
- /**
- * Transform one or more nodes using the supplied transformers.
- * @param source A single `Node` or an array of `Node` objects.
- * @param transformers An array of `TransformerFactory` callbacks used to process the transformation.
- * @param compilerOptions Optional compiler options.
- */
- function transform(source, transformers, compilerOptions) {
- var diagnostics = [];
- compilerOptions = ts.fixupCompilerOptions(compilerOptions, diagnostics); // TODO: GH#18217
- var nodes = ts.isArray(source) ? source : [source];
- var result = ts.transformNodes(/*resolver*/ undefined, /*emitHost*/ undefined, compilerOptions, nodes, transformers, /*allowDtsFiles*/ true);
- result.diagnostics = ts.concatenate(result.diagnostics, diagnostics);
- return result;
- }
- ts.transform = transform;
-})(ts || (ts = {}));
-//
-// Copyright (c) Microsoft Corporation. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-//
-/* @internal */
-var debugObjectHost = (function () { return this; })(); // eslint-disable-line prefer-const
-// We need to use 'null' to interface with the managed side.
-/* eslint-disable no-in-operator */
-/* @internal */
-var ts;
-(function (ts) {
- function logInternalError(logger, err) {
- if (logger) {
- logger.log("*INTERNAL ERROR* - Exception in typescript services: " + err.message);
- }
- }
- var ScriptSnapshotShimAdapter = /** @class */ (function () {
- function ScriptSnapshotShimAdapter(scriptSnapshotShim) {
- this.scriptSnapshotShim = scriptSnapshotShim;
- }
- ScriptSnapshotShimAdapter.prototype.getText = function (start, end) {
- return this.scriptSnapshotShim.getText(start, end);
- };
- ScriptSnapshotShimAdapter.prototype.getLength = function () {
- return this.scriptSnapshotShim.getLength();
- };
- ScriptSnapshotShimAdapter.prototype.getChangeRange = function (oldSnapshot) {
- var oldSnapshotShim = oldSnapshot;
- var encoded = this.scriptSnapshotShim.getChangeRange(oldSnapshotShim.scriptSnapshotShim);
- /* eslint-disable no-null/no-null */
- if (encoded === null) {
- return null; // TODO: GH#18217
- }
- /* eslint-enable no-null/no-null */
- var decoded = JSON.parse(encoded); // TODO: GH#18217
- return ts.createTextChangeRange(ts.createTextSpan(decoded.span.start, decoded.span.length), decoded.newLength);
- };
- ScriptSnapshotShimAdapter.prototype.dispose = function () {
- // if scriptSnapshotShim is a COM object then property check becomes method call with no arguments
- // 'in' does not have this effect
- if ("dispose" in this.scriptSnapshotShim) {
- this.scriptSnapshotShim.dispose(); // TODO: GH#18217 Can we just use `if (this.scriptSnapshotShim.dispose)`?
- }
- };
- return ScriptSnapshotShimAdapter;
- }());
- var LanguageServiceShimHostAdapter = /** @class */ (function () {
- function LanguageServiceShimHostAdapter(shimHost) {
- var _this = this;
- this.shimHost = shimHost;
- this.loggingEnabled = false;
- this.tracingEnabled = false;
- // if shimHost is a COM object then property check will become method call with no arguments.
- // 'in' does not have this effect.
- if ("getModuleResolutionsForFile" in this.shimHost) {
- this.resolveModuleNames = function (moduleNames, containingFile) {
- var resolutionsInFile = JSON.parse(_this.shimHost.getModuleResolutionsForFile(containingFile)); // TODO: GH#18217
- return ts.map(moduleNames, function (name) {
- var result = ts.getProperty(resolutionsInFile, name);
- return result ? { resolvedFileName: result, extension: ts.extensionFromPath(result), isExternalLibraryImport: false } : undefined;
- });
- };
- }
- if ("directoryExists" in this.shimHost) {
- this.directoryExists = function (directoryName) { return _this.shimHost.directoryExists(directoryName); };
- }
- if ("getTypeReferenceDirectiveResolutionsForFile" in this.shimHost) {
- this.resolveTypeReferenceDirectives = function (typeDirectiveNames, containingFile) {
- var typeDirectivesForFile = JSON.parse(_this.shimHost.getTypeReferenceDirectiveResolutionsForFile(containingFile)); // TODO: GH#18217
- return ts.map(typeDirectiveNames, function (name) { return ts.getProperty(typeDirectivesForFile, name); });
- };
- }
- }
- LanguageServiceShimHostAdapter.prototype.log = function (s) {
- if (this.loggingEnabled) {
- this.shimHost.log(s);
- }
- };
- LanguageServiceShimHostAdapter.prototype.trace = function (s) {
- if (this.tracingEnabled) {
- this.shimHost.trace(s);
- }
- };
- LanguageServiceShimHostAdapter.prototype.error = function (s) {
- this.shimHost.error(s);
- };
- LanguageServiceShimHostAdapter.prototype.getProjectVersion = function () {
- if (!this.shimHost.getProjectVersion) {
- // shimmed host does not support getProjectVersion
- return undefined; // TODO: GH#18217
- }
- return this.shimHost.getProjectVersion();
- };
- LanguageServiceShimHostAdapter.prototype.getTypeRootsVersion = function () {
- if (!this.shimHost.getTypeRootsVersion) {
- return 0;
- }
- return this.shimHost.getTypeRootsVersion();
- };
- LanguageServiceShimHostAdapter.prototype.useCaseSensitiveFileNames = function () {
- return this.shimHost.useCaseSensitiveFileNames ? this.shimHost.useCaseSensitiveFileNames() : false;
- };
- LanguageServiceShimHostAdapter.prototype.getCompilationSettings = function () {
- var settingsJson = this.shimHost.getCompilationSettings();
- // eslint-disable-next-line no-null/no-null
- if (settingsJson === null || settingsJson === "") {
- throw Error("LanguageServiceShimHostAdapter.getCompilationSettings: empty compilationSettings");
- }
- var compilerOptions = JSON.parse(settingsJson);
- // permit language service to handle all files (filtering should be performed on the host side)
- compilerOptions.allowNonTsExtensions = true;
- return compilerOptions;
- };
- LanguageServiceShimHostAdapter.prototype.getScriptFileNames = function () {
- var encoded = this.shimHost.getScriptFileNames();
- return JSON.parse(encoded);
- };
- LanguageServiceShimHostAdapter.prototype.getScriptSnapshot = function (fileName) {
- var scriptSnapshot = this.shimHost.getScriptSnapshot(fileName);
- return scriptSnapshot && new ScriptSnapshotShimAdapter(scriptSnapshot);
- };
- LanguageServiceShimHostAdapter.prototype.getScriptKind = function (fileName) {
- if ("getScriptKind" in this.shimHost) {
- return this.shimHost.getScriptKind(fileName); // TODO: GH#18217
- }
- else {
- return 0 /* Unknown */;
- }
- };
- LanguageServiceShimHostAdapter.prototype.getScriptVersion = function (fileName) {
- return this.shimHost.getScriptVersion(fileName);
- };
- LanguageServiceShimHostAdapter.prototype.getLocalizedDiagnosticMessages = function () {
- /* eslint-disable no-null/no-null */
- var diagnosticMessagesJson = this.shimHost.getLocalizedDiagnosticMessages();
- if (diagnosticMessagesJson === null || diagnosticMessagesJson === "") {
- return null;
- }
- try {
- return JSON.parse(diagnosticMessagesJson);
- }
- catch (e) {
- this.log(e.description || "diagnosticMessages.generated.json has invalid JSON format");
- return null;
- }
- /* eslint-enable no-null/no-null */
- };
- LanguageServiceShimHostAdapter.prototype.getCancellationToken = function () {
- var hostCancellationToken = this.shimHost.getCancellationToken();
- return new ts.ThrottledCancellationToken(hostCancellationToken);
- };
- LanguageServiceShimHostAdapter.prototype.getCurrentDirectory = function () {
- return this.shimHost.getCurrentDirectory();
- };
- LanguageServiceShimHostAdapter.prototype.getDirectories = function (path) {
- return JSON.parse(this.shimHost.getDirectories(path));
- };
- LanguageServiceShimHostAdapter.prototype.getDefaultLibFileName = function (options) {
- return this.shimHost.getDefaultLibFileName(JSON.stringify(options));
- };
- LanguageServiceShimHostAdapter.prototype.readDirectory = function (path, extensions, exclude, include, depth) {
- var pattern = ts.getFileMatcherPatterns(path, exclude, include, this.shimHost.useCaseSensitiveFileNames(), this.shimHost.getCurrentDirectory()); // TODO: GH#18217
- return JSON.parse(this.shimHost.readDirectory(path, JSON.stringify(extensions), JSON.stringify(pattern.basePaths), pattern.excludePattern, pattern.includeFilePattern, pattern.includeDirectoryPattern, depth));
- };
- LanguageServiceShimHostAdapter.prototype.readFile = function (path, encoding) {
- return this.shimHost.readFile(path, encoding);
- };
- LanguageServiceShimHostAdapter.prototype.fileExists = function (path) {
- return this.shimHost.fileExists(path);
- };
- return LanguageServiceShimHostAdapter;
- }());
- ts.LanguageServiceShimHostAdapter = LanguageServiceShimHostAdapter;
- var CoreServicesShimHostAdapter = /** @class */ (function () {
- function CoreServicesShimHostAdapter(shimHost) {
- var _this = this;
- this.shimHost = shimHost;
- this.useCaseSensitiveFileNames = this.shimHost.useCaseSensitiveFileNames ? this.shimHost.useCaseSensitiveFileNames() : false;
- if ("directoryExists" in this.shimHost) {
- this.directoryExists = function (directoryName) { return _this.shimHost.directoryExists(directoryName); };
- }
- else {
- this.directoryExists = undefined; // TODO: GH#18217
- }
- if ("realpath" in this.shimHost) {
- this.realpath = function (path) { return _this.shimHost.realpath(path); }; // TODO: GH#18217
- }
- else {
- this.realpath = undefined; // TODO: GH#18217
- }
- }
- CoreServicesShimHostAdapter.prototype.readDirectory = function (rootDir, extensions, exclude, include, depth) {
- var pattern = ts.getFileMatcherPatterns(rootDir, exclude, include, this.shimHost.useCaseSensitiveFileNames(), this.shimHost.getCurrentDirectory()); // TODO: GH#18217
- return JSON.parse(this.shimHost.readDirectory(rootDir, JSON.stringify(extensions), JSON.stringify(pattern.basePaths), pattern.excludePattern, pattern.includeFilePattern, pattern.includeDirectoryPattern, depth));
- };
- CoreServicesShimHostAdapter.prototype.fileExists = function (fileName) {
- return this.shimHost.fileExists(fileName);
- };
- CoreServicesShimHostAdapter.prototype.readFile = function (fileName) {
- return this.shimHost.readFile(fileName);
- };
- CoreServicesShimHostAdapter.prototype.getDirectories = function (path) {
- return JSON.parse(this.shimHost.getDirectories(path));
- };
- return CoreServicesShimHostAdapter;
- }());
- ts.CoreServicesShimHostAdapter = CoreServicesShimHostAdapter;
- function simpleForwardCall(logger, actionDescription, action, logPerformance) {
- var start;
- if (logPerformance) {
- logger.log(actionDescription);
- start = ts.timestamp();
- }
- var result = action();
- if (logPerformance) {
- var end = ts.timestamp();
- logger.log(actionDescription + " completed in " + (end - start) + " msec");
- if (ts.isString(result)) {
- var str = result;
- if (str.length > 128) {
- str = str.substring(0, 128) + "...";
- }
- logger.log(" result.length=" + str.length + ", result='" + JSON.stringify(str) + "'");
- }
- }
- return result;
- }
- function forwardJSONCall(logger, actionDescription, action, logPerformance) {
- return forwardCall(logger, actionDescription, /*returnJson*/ true, action, logPerformance);
- }
- function forwardCall(logger, actionDescription, returnJson, action, logPerformance) {
- try {
- var result = simpleForwardCall(logger, actionDescription, action, logPerformance);
- return returnJson ? JSON.stringify({ result: result }) : result;
- }
- catch (err) {
- if (err instanceof ts.OperationCanceledException) {
- return JSON.stringify({ canceled: true });
- }
- logInternalError(logger, err);
- err.description = actionDescription;
- return JSON.stringify({ error: err });
- }
- }
- var ShimBase = /** @class */ (function () {
- function ShimBase(factory) {
- this.factory = factory;
- factory.registerShim(this);
- }
- ShimBase.prototype.dispose = function (_dummy) {
- this.factory.unregisterShim(this);
- };
- return ShimBase;
- }());
- function realizeDiagnostics(diagnostics, newLine) {
- return diagnostics.map(function (d) { return realizeDiagnostic(d, newLine); });
- }
- ts.realizeDiagnostics = realizeDiagnostics;
- function realizeDiagnostic(diagnostic, newLine) {
- return {
- message: ts.flattenDiagnosticMessageText(diagnostic.messageText, newLine),
- start: diagnostic.start,
- length: diagnostic.length,
- category: ts.diagnosticCategoryName(diagnostic),
- code: diagnostic.code,
- reportsUnnecessary: diagnostic.reportsUnnecessary,
- };
- }
- var LanguageServiceShimObject = /** @class */ (function (_super) {
- __extends(LanguageServiceShimObject, _super);
- function LanguageServiceShimObject(factory, host, languageService) {
- var _this = _super.call(this, factory) || this;
- _this.host = host;
- _this.languageService = languageService;
- _this.logPerformance = false;
- _this.logger = _this.host;
- return _this;
- }
- LanguageServiceShimObject.prototype.forwardJSONCall = function (actionDescription, action) {
- return forwardJSONCall(this.logger, actionDescription, action, this.logPerformance);
- };
- /// DISPOSE
- /**
- * Ensure (almost) deterministic release of internal Javascript resources when
- * some external native objects holds onto us (e.g. Com/Interop).
- */
- LanguageServiceShimObject.prototype.dispose = function (dummy) {
- this.logger.log("dispose()");
- this.languageService.dispose();
- this.languageService = null; // eslint-disable-line no-null/no-null
- // force a GC
- if (debugObjectHost && debugObjectHost.CollectGarbage) {
- debugObjectHost.CollectGarbage();
- this.logger.log("CollectGarbage()");
- }
- this.logger = null; // eslint-disable-line no-null/no-null
- _super.prototype.dispose.call(this, dummy);
- };
- /// REFRESH
- /**
- * Update the list of scripts known to the compiler
- */
- LanguageServiceShimObject.prototype.refresh = function (throwOnError) {
- this.forwardJSONCall("refresh(" + throwOnError + ")", function () { return null; } // eslint-disable-line no-null/no-null
- );
- };
- LanguageServiceShimObject.prototype.cleanupSemanticCache = function () {
- var _this = this;
- this.forwardJSONCall("cleanupSemanticCache()", function () {
- _this.languageService.cleanupSemanticCache();
- return null; // eslint-disable-line no-null/no-null
- });
- };
- LanguageServiceShimObject.prototype.realizeDiagnostics = function (diagnostics) {
- var newLine = ts.getNewLineOrDefaultFromHost(this.host);
- return realizeDiagnostics(diagnostics, newLine);
- };
- LanguageServiceShimObject.prototype.getSyntacticClassifications = function (fileName, start, length) {
- var _this = this;
- return this.forwardJSONCall("getSyntacticClassifications('" + fileName + "', " + start + ", " + length + ")", function () { return _this.languageService.getSyntacticClassifications(fileName, ts.createTextSpan(start, length)); });
- };
- LanguageServiceShimObject.prototype.getSemanticClassifications = function (fileName, start, length) {
- var _this = this;
- return this.forwardJSONCall("getSemanticClassifications('" + fileName + "', " + start + ", " + length + ")", function () { return _this.languageService.getSemanticClassifications(fileName, ts.createTextSpan(start, length)); });
- };
- LanguageServiceShimObject.prototype.getEncodedSyntacticClassifications = function (fileName, start, length) {
- var _this = this;
- return this.forwardJSONCall("getEncodedSyntacticClassifications('" + fileName + "', " + start + ", " + length + ")",
- // directly serialize the spans out to a string. This is much faster to decode
- // on the managed side versus a full JSON array.
- function () { return convertClassifications(_this.languageService.getEncodedSyntacticClassifications(fileName, ts.createTextSpan(start, length))); });
- };
- LanguageServiceShimObject.prototype.getEncodedSemanticClassifications = function (fileName, start, length) {
- var _this = this;
- return this.forwardJSONCall("getEncodedSemanticClassifications('" + fileName + "', " + start + ", " + length + ")",
- // directly serialize the spans out to a string. This is much faster to decode
- // on the managed side versus a full JSON array.
- function () { return convertClassifications(_this.languageService.getEncodedSemanticClassifications(fileName, ts.createTextSpan(start, length))); });
- };
- LanguageServiceShimObject.prototype.getSyntacticDiagnostics = function (fileName) {
- var _this = this;
- return this.forwardJSONCall("getSyntacticDiagnostics('" + fileName + "')", function () {
- var diagnostics = _this.languageService.getSyntacticDiagnostics(fileName);
- return _this.realizeDiagnostics(diagnostics);
- });
- };
- LanguageServiceShimObject.prototype.getSemanticDiagnostics = function (fileName) {
- var _this = this;
- return this.forwardJSONCall("getSemanticDiagnostics('" + fileName + "')", function () {
- var diagnostics = _this.languageService.getSemanticDiagnostics(fileName);
- return _this.realizeDiagnostics(diagnostics);
- });
- };
- LanguageServiceShimObject.prototype.getSuggestionDiagnostics = function (fileName) {
- var _this = this;
- return this.forwardJSONCall("getSuggestionDiagnostics('" + fileName + "')", function () { return _this.realizeDiagnostics(_this.languageService.getSuggestionDiagnostics(fileName)); });
- };
- LanguageServiceShimObject.prototype.getCompilerOptionsDiagnostics = function () {
- var _this = this;
- return this.forwardJSONCall("getCompilerOptionsDiagnostics()", function () {
- var diagnostics = _this.languageService.getCompilerOptionsDiagnostics();
- return _this.realizeDiagnostics(diagnostics);
- });
- };
- /// QUICKINFO
- /**
- * Computes a string representation of the type at the requested position
- * in the active file.
- */
- LanguageServiceShimObject.prototype.getQuickInfoAtPosition = function (fileName, position) {
- var _this = this;
- return this.forwardJSONCall("getQuickInfoAtPosition('" + fileName + "', " + position + ")", function () { return _this.languageService.getQuickInfoAtPosition(fileName, position); });
- };
- /// NAMEORDOTTEDNAMESPAN
- /**
- * Computes span information of the name or dotted name at the requested position
- * in the active file.
- */
- LanguageServiceShimObject.prototype.getNameOrDottedNameSpan = function (fileName, startPos, endPos) {
- var _this = this;
- return this.forwardJSONCall("getNameOrDottedNameSpan('" + fileName + "', " + startPos + ", " + endPos + ")", function () { return _this.languageService.getNameOrDottedNameSpan(fileName, startPos, endPos); });
- };
- /**
- * STATEMENTSPAN
- * Computes span information of statement at the requested position in the active file.
- */
- LanguageServiceShimObject.prototype.getBreakpointStatementAtPosition = function (fileName, position) {
- var _this = this;
- return this.forwardJSONCall("getBreakpointStatementAtPosition('" + fileName + "', " + position + ")", function () { return _this.languageService.getBreakpointStatementAtPosition(fileName, position); });
- };
- /// SIGNATUREHELP
- LanguageServiceShimObject.prototype.getSignatureHelpItems = function (fileName, position, options) {
- var _this = this;
- return this.forwardJSONCall("getSignatureHelpItems('" + fileName + "', " + position + ")", function () { return _this.languageService.getSignatureHelpItems(fileName, position, options); });
- };
- /// GOTO DEFINITION
- /**
- * Computes the definition location and file for the symbol
- * at the requested position.
- */
- LanguageServiceShimObject.prototype.getDefinitionAtPosition = function (fileName, position) {
- var _this = this;
- return this.forwardJSONCall("getDefinitionAtPosition('" + fileName + "', " + position + ")", function () { return _this.languageService.getDefinitionAtPosition(fileName, position); });
- };
- /**
- * Computes the definition location and file for the symbol
- * at the requested position.
- */
- LanguageServiceShimObject.prototype.getDefinitionAndBoundSpan = function (fileName, position) {
- var _this = this;
- return this.forwardJSONCall("getDefinitionAndBoundSpan('" + fileName + "', " + position + ")", function () { return _this.languageService.getDefinitionAndBoundSpan(fileName, position); });
- };
- /// GOTO Type
- /**
- * Computes the definition location of the type of the symbol
- * at the requested position.
- */
- LanguageServiceShimObject.prototype.getTypeDefinitionAtPosition = function (fileName, position) {
- var _this = this;
- return this.forwardJSONCall("getTypeDefinitionAtPosition('" + fileName + "', " + position + ")", function () { return _this.languageService.getTypeDefinitionAtPosition(fileName, position); });
- };
- /// GOTO Implementation
- /**
- * Computes the implementation location of the symbol
- * at the requested position.
- */
- LanguageServiceShimObject.prototype.getImplementationAtPosition = function (fileName, position) {
- var _this = this;
- return this.forwardJSONCall("getImplementationAtPosition('" + fileName + "', " + position + ")", function () { return _this.languageService.getImplementationAtPosition(fileName, position); });
- };
- LanguageServiceShimObject.prototype.getRenameInfo = function (fileName, position, options) {
- var _this = this;
- return this.forwardJSONCall("getRenameInfo('" + fileName + "', " + position + ")", function () { return _this.languageService.getRenameInfo(fileName, position, options); });
- };
- LanguageServiceShimObject.prototype.getSmartSelectionRange = function (fileName, position) {
- var _this = this;
- return this.forwardJSONCall("getSmartSelectionRange('" + fileName + "', " + position + ")", function () { return _this.languageService.getSmartSelectionRange(fileName, position); });
- };
- LanguageServiceShimObject.prototype.findRenameLocations = function (fileName, position, findInStrings, findInComments, providePrefixAndSuffixTextForRename) {
- var _this = this;
- return this.forwardJSONCall("findRenameLocations('" + fileName + "', " + position + ", " + findInStrings + ", " + findInComments + ", " + providePrefixAndSuffixTextForRename + ")", function () { return _this.languageService.findRenameLocations(fileName, position, findInStrings, findInComments, providePrefixAndSuffixTextForRename); });
- };
- /// GET BRACE MATCHING
- LanguageServiceShimObject.prototype.getBraceMatchingAtPosition = function (fileName, position) {
- var _this = this;
- return this.forwardJSONCall("getBraceMatchingAtPosition('" + fileName + "', " + position + ")", function () { return _this.languageService.getBraceMatchingAtPosition(fileName, position); });
- };
- LanguageServiceShimObject.prototype.isValidBraceCompletionAtPosition = function (fileName, position, openingBrace) {
- var _this = this;
- return this.forwardJSONCall("isValidBraceCompletionAtPosition('" + fileName + "', " + position + ", " + openingBrace + ")", function () { return _this.languageService.isValidBraceCompletionAtPosition(fileName, position, openingBrace); });
- };
- LanguageServiceShimObject.prototype.getSpanOfEnclosingComment = function (fileName, position, onlyMultiLine) {
- var _this = this;
- return this.forwardJSONCall("getSpanOfEnclosingComment('" + fileName + "', " + position + ")", function () { return _this.languageService.getSpanOfEnclosingComment(fileName, position, onlyMultiLine); });
- };
- /// GET SMART INDENT
- LanguageServiceShimObject.prototype.getIndentationAtPosition = function (fileName, position, options /*Services.EditorOptions*/) {
- var _this = this;
- return this.forwardJSONCall("getIndentationAtPosition('" + fileName + "', " + position + ")", function () {
- var localOptions = JSON.parse(options);
- return _this.languageService.getIndentationAtPosition(fileName, position, localOptions);
- });
- };
- /// GET REFERENCES
- LanguageServiceShimObject.prototype.getReferencesAtPosition = function (fileName, position) {
- var _this = this;
- return this.forwardJSONCall("getReferencesAtPosition('" + fileName + "', " + position + ")", function () { return _this.languageService.getReferencesAtPosition(fileName, position); });
- };
- LanguageServiceShimObject.prototype.findReferences = function (fileName, position) {
- var _this = this;
- return this.forwardJSONCall("findReferences('" + fileName + "', " + position + ")", function () { return _this.languageService.findReferences(fileName, position); });
- };
- LanguageServiceShimObject.prototype.getOccurrencesAtPosition = function (fileName, position) {
- var _this = this;
- return this.forwardJSONCall("getOccurrencesAtPosition('" + fileName + "', " + position + ")", function () { return _this.languageService.getOccurrencesAtPosition(fileName, position); });
- };
- LanguageServiceShimObject.prototype.getDocumentHighlights = function (fileName, position, filesToSearch) {
- var _this = this;
- return this.forwardJSONCall("getDocumentHighlights('" + fileName + "', " + position + ")", function () {
- var results = _this.languageService.getDocumentHighlights(fileName, position, JSON.parse(filesToSearch));
- // workaround for VS document highlighting issue - keep only items from the initial file
- var normalizedName = ts.toFileNameLowerCase(ts.normalizeSlashes(fileName));
- return ts.filter(results, function (r) { return ts.toFileNameLowerCase(ts.normalizeSlashes(r.fileName)) === normalizedName; });
- });
- };
- /// COMPLETION LISTS
- /**
- * Get a string based representation of the completions
- * to provide at the given source position and providing a member completion
- * list if requested.
- */
- LanguageServiceShimObject.prototype.getCompletionsAtPosition = function (fileName, position, preferences) {
- var _this = this;
- return this.forwardJSONCall("getCompletionsAtPosition('" + fileName + "', " + position + ", " + preferences + ")", function () { return _this.languageService.getCompletionsAtPosition(fileName, position, preferences); });
- };
- /** Get a string based representation of a completion list entry details */
- LanguageServiceShimObject.prototype.getCompletionEntryDetails = function (fileName, position, entryName, formatOptions, source, preferences) {
- var _this = this;
- return this.forwardJSONCall("getCompletionEntryDetails('" + fileName + "', " + position + ", '" + entryName + "')", function () {
- var localOptions = formatOptions === undefined ? undefined : JSON.parse(formatOptions);
- return _this.languageService.getCompletionEntryDetails(fileName, position, entryName, localOptions, source, preferences);
- });
- };
- LanguageServiceShimObject.prototype.getFormattingEditsForRange = function (fileName, start, end, options /*Services.FormatCodeOptions*/) {
- var _this = this;
- return this.forwardJSONCall("getFormattingEditsForRange('" + fileName + "', " + start + ", " + end + ")", function () {
- var localOptions = JSON.parse(options);
- return _this.languageService.getFormattingEditsForRange(fileName, start, end, localOptions);
- });
- };
- LanguageServiceShimObject.prototype.getFormattingEditsForDocument = function (fileName, options /*Services.FormatCodeOptions*/) {
- var _this = this;
- return this.forwardJSONCall("getFormattingEditsForDocument('" + fileName + "')", function () {
- var localOptions = JSON.parse(options);
- return _this.languageService.getFormattingEditsForDocument(fileName, localOptions);
- });
- };
- LanguageServiceShimObject.prototype.getFormattingEditsAfterKeystroke = function (fileName, position, key, options /*Services.FormatCodeOptions*/) {
- var _this = this;
- return this.forwardJSONCall("getFormattingEditsAfterKeystroke('" + fileName + "', " + position + ", '" + key + "')", function () {
- var localOptions = JSON.parse(options);
- return _this.languageService.getFormattingEditsAfterKeystroke(fileName, position, key, localOptions);
- });
- };
- LanguageServiceShimObject.prototype.getDocCommentTemplateAtPosition = function (fileName, position) {
- var _this = this;
- return this.forwardJSONCall("getDocCommentTemplateAtPosition('" + fileName + "', " + position + ")", function () { return _this.languageService.getDocCommentTemplateAtPosition(fileName, position); });
- };
- /// NAVIGATE TO
- /** Return a list of symbols that are interesting to navigate to */
- LanguageServiceShimObject.prototype.getNavigateToItems = function (searchValue, maxResultCount, fileName) {
- var _this = this;
- return this.forwardJSONCall("getNavigateToItems('" + searchValue + "', " + maxResultCount + ", " + fileName + ")", function () { return _this.languageService.getNavigateToItems(searchValue, maxResultCount, fileName); });
- };
- LanguageServiceShimObject.prototype.getNavigationBarItems = function (fileName) {
- var _this = this;
- return this.forwardJSONCall("getNavigationBarItems('" + fileName + "')", function () { return _this.languageService.getNavigationBarItems(fileName); });
- };
- LanguageServiceShimObject.prototype.getNavigationTree = function (fileName) {
- var _this = this;
- return this.forwardJSONCall("getNavigationTree('" + fileName + "')", function () { return _this.languageService.getNavigationTree(fileName); });
- };
- LanguageServiceShimObject.prototype.getOutliningSpans = function (fileName) {
- var _this = this;
- return this.forwardJSONCall("getOutliningSpans('" + fileName + "')", function () { return _this.languageService.getOutliningSpans(fileName); });
- };
- LanguageServiceShimObject.prototype.getTodoComments = function (fileName, descriptors) {
- var _this = this;
- return this.forwardJSONCall("getTodoComments('" + fileName + "')", function () { return _this.languageService.getTodoComments(fileName, JSON.parse(descriptors)); });
- };
- /// CALL HIERARCHY
- LanguageServiceShimObject.prototype.prepareCallHierarchy = function (fileName, position) {
- var _this = this;
- return this.forwardJSONCall("prepareCallHierarchy('" + fileName + "', " + position + ")", function () { return _this.languageService.prepareCallHierarchy(fileName, position); });
- };
- LanguageServiceShimObject.prototype.provideCallHierarchyIncomingCalls = function (fileName, position) {
- var _this = this;
- return this.forwardJSONCall("provideCallHierarchyIncomingCalls('" + fileName + "', " + position + ")", function () { return _this.languageService.provideCallHierarchyIncomingCalls(fileName, position); });
- };
- LanguageServiceShimObject.prototype.provideCallHierarchyOutgoingCalls = function (fileName, position) {
- var _this = this;
- return this.forwardJSONCall("provideCallHierarchyOutgoingCalls('" + fileName + "', " + position + ")", function () { return _this.languageService.provideCallHierarchyOutgoingCalls(fileName, position); });
- };
- /// Emit
- LanguageServiceShimObject.prototype.getEmitOutput = function (fileName) {
- var _this = this;
- return this.forwardJSONCall("getEmitOutput('" + fileName + "')", function () {
- var _a = _this.languageService.getEmitOutput(fileName), diagnostics = _a.diagnostics, rest = __rest(_a, ["diagnostics"]);
- return __assign(__assign({}, rest), { diagnostics: _this.realizeDiagnostics(diagnostics) });
- });
- };
- LanguageServiceShimObject.prototype.getEmitOutputObject = function (fileName) {
- var _this = this;
- return forwardCall(this.logger, "getEmitOutput('" + fileName + "')",
- /*returnJson*/ false, function () { return _this.languageService.getEmitOutput(fileName); }, this.logPerformance);
- };
- return LanguageServiceShimObject;
- }(ShimBase));
- function convertClassifications(classifications) {
- return { spans: classifications.spans.join(","), endOfLineState: classifications.endOfLineState };
- }
- var ClassifierShimObject = /** @class */ (function (_super) {
- __extends(ClassifierShimObject, _super);
- function ClassifierShimObject(factory, logger) {
- var _this = _super.call(this, factory) || this;
- _this.logger = logger;
- _this.logPerformance = false;
- _this.classifier = ts.createClassifier();
- return _this;
- }
- ClassifierShimObject.prototype.getEncodedLexicalClassifications = function (text, lexState, syntacticClassifierAbsent) {
- var _this = this;
- if (syntacticClassifierAbsent === void 0) { syntacticClassifierAbsent = false; }
- return forwardJSONCall(this.logger, "getEncodedLexicalClassifications", function () { return convertClassifications(_this.classifier.getEncodedLexicalClassifications(text, lexState, syntacticClassifierAbsent)); }, this.logPerformance);
- };
- /// COLORIZATION
- ClassifierShimObject.prototype.getClassificationsForLine = function (text, lexState, classifyKeywordsInGenerics) {
- if (classifyKeywordsInGenerics === void 0) { classifyKeywordsInGenerics = false; }
- var classification = this.classifier.getClassificationsForLine(text, lexState, classifyKeywordsInGenerics);
- var result = "";
- for (var _i = 0, _a = classification.entries; _i < _a.length; _i++) {
- var item = _a[_i];
- result += item.length + "\n";
- result += item.classification + "\n";
- }
- result += classification.finalLexState;
- return result;
- };
- return ClassifierShimObject;
- }(ShimBase));
- var CoreServicesShimObject = /** @class */ (function (_super) {
- __extends(CoreServicesShimObject, _super);
- function CoreServicesShimObject(factory, logger, host) {
- var _this = _super.call(this, factory) || this;
- _this.logger = logger;
- _this.host = host;
- _this.logPerformance = false;
- return _this;
- }
- CoreServicesShimObject.prototype.forwardJSONCall = function (actionDescription, action) {
- return forwardJSONCall(this.logger, actionDescription, action, this.logPerformance);
- };
- CoreServicesShimObject.prototype.resolveModuleName = function (fileName, moduleName, compilerOptionsJson) {
- var _this = this;
- return this.forwardJSONCall("resolveModuleName('" + fileName + "')", function () {
- var compilerOptions = JSON.parse(compilerOptionsJson);
- var result = ts.resolveModuleName(moduleName, ts.normalizeSlashes(fileName), compilerOptions, _this.host);
- var resolvedFileName = result.resolvedModule ? result.resolvedModule.resolvedFileName : undefined;
- if (result.resolvedModule && result.resolvedModule.extension !== ".ts" /* Ts */ && result.resolvedModule.extension !== ".tsx" /* Tsx */ && result.resolvedModule.extension !== ".d.ts" /* Dts */) {
- resolvedFileName = undefined;
- }
- return {
- resolvedFileName: resolvedFileName,
- failedLookupLocations: result.failedLookupLocations
- };
- });
- };
- CoreServicesShimObject.prototype.resolveTypeReferenceDirective = function (fileName, typeReferenceDirective, compilerOptionsJson) {
- var _this = this;
- return this.forwardJSONCall("resolveTypeReferenceDirective(" + fileName + ")", function () {
- var compilerOptions = JSON.parse(compilerOptionsJson);
- var result = ts.resolveTypeReferenceDirective(typeReferenceDirective, ts.normalizeSlashes(fileName), compilerOptions, _this.host);
- return {
- resolvedFileName: result.resolvedTypeReferenceDirective ? result.resolvedTypeReferenceDirective.resolvedFileName : undefined,
- primary: result.resolvedTypeReferenceDirective ? result.resolvedTypeReferenceDirective.primary : true,
- failedLookupLocations: result.failedLookupLocations
- };
- });
- };
- CoreServicesShimObject.prototype.getPreProcessedFileInfo = function (fileName, sourceTextSnapshot) {
- var _this = this;
- return this.forwardJSONCall("getPreProcessedFileInfo('" + fileName + "')", function () {
- // for now treat files as JavaScript
- var result = ts.preProcessFile(ts.getSnapshotText(sourceTextSnapshot), /* readImportFiles */ true, /* detectJavaScriptImports */ true);
- return {
- referencedFiles: _this.convertFileReferences(result.referencedFiles),
- importedFiles: _this.convertFileReferences(result.importedFiles),
- ambientExternalModules: result.ambientExternalModules,
- isLibFile: result.isLibFile,
- typeReferenceDirectives: _this.convertFileReferences(result.typeReferenceDirectives),
- libReferenceDirectives: _this.convertFileReferences(result.libReferenceDirectives)
- };
- });
- };
- CoreServicesShimObject.prototype.getAutomaticTypeDirectiveNames = function (compilerOptionsJson) {
- var _this = this;
- return this.forwardJSONCall("getAutomaticTypeDirectiveNames('" + compilerOptionsJson + "')", function () {
- var compilerOptions = JSON.parse(compilerOptionsJson);
- return ts.getAutomaticTypeDirectiveNames(compilerOptions, _this.host);
- });
- };
- CoreServicesShimObject.prototype.convertFileReferences = function (refs) {
- if (!refs) {
- return undefined;
- }
- var result = [];
- for (var _i = 0, refs_1 = refs; _i < refs_1.length; _i++) {
- var ref = refs_1[_i];
- result.push({
- path: ts.normalizeSlashes(ref.fileName),
- position: ref.pos,
- length: ref.end - ref.pos
- });
- }
- return result;
- };
- CoreServicesShimObject.prototype.getTSConfigFileInfo = function (fileName, sourceTextSnapshot) {
- var _this = this;
- return this.forwardJSONCall("getTSConfigFileInfo('" + fileName + "')", function () {
- var result = ts.parseJsonText(fileName, ts.getSnapshotText(sourceTextSnapshot));
- var normalizedFileName = ts.normalizeSlashes(fileName);
- var configFile = ts.parseJsonSourceFileConfigFileContent(result, _this.host, ts.getDirectoryPath(normalizedFileName), /*existingOptions*/ {}, normalizedFileName);
- return {
- options: configFile.options,
- typeAcquisition: configFile.typeAcquisition,
- files: configFile.fileNames,
- raw: configFile.raw,
- errors: realizeDiagnostics(__spreadArrays(result.parseDiagnostics, configFile.errors), "\r\n")
- };
- });
- };
- CoreServicesShimObject.prototype.getDefaultCompilationSettings = function () {
- return this.forwardJSONCall("getDefaultCompilationSettings()", function () { return ts.getDefaultCompilerOptions(); });
- };
- CoreServicesShimObject.prototype.discoverTypings = function (discoverTypingsJson) {
- var _this = this;
- var getCanonicalFileName = ts.createGetCanonicalFileName(/*useCaseSensitivefileNames:*/ false);
- return this.forwardJSONCall("discoverTypings()", function () {
- var info = JSON.parse(discoverTypingsJson);
- if (_this.safeList === undefined) {
- _this.safeList = ts.JsTyping.loadSafeList(_this.host, ts.toPath(info.safeListPath, info.safeListPath, getCanonicalFileName));
- }
- return ts.JsTyping.discoverTypings(_this.host, function (msg) { return _this.logger.log(msg); }, info.fileNames, ts.toPath(info.projectRootPath, info.projectRootPath, getCanonicalFileName), _this.safeList, info.packageNameToTypingLocation, info.typeAcquisition, info.unresolvedImports, info.typesRegistry);
- });
- };
- return CoreServicesShimObject;
- }(ShimBase));
- var TypeScriptServicesFactory = /** @class */ (function () {
- function TypeScriptServicesFactory() {
- this._shims = [];
- }
- /*
- * Returns script API version.
- */
- TypeScriptServicesFactory.prototype.getServicesVersion = function () {
- return ts.servicesVersion;
- };
- TypeScriptServicesFactory.prototype.createLanguageServiceShim = function (host) {
- try {
- if (this.documentRegistry === undefined) {
- this.documentRegistry = ts.createDocumentRegistry(host.useCaseSensitiveFileNames && host.useCaseSensitiveFileNames(), host.getCurrentDirectory());
- }
- var hostAdapter = new LanguageServiceShimHostAdapter(host);
- var languageService = ts.createLanguageService(hostAdapter, this.documentRegistry, /*syntaxOnly*/ false);
- return new LanguageServiceShimObject(this, host, languageService);
- }
- catch (err) {
- logInternalError(host, err);
- throw err;
- }
- };
- TypeScriptServicesFactory.prototype.createClassifierShim = function (logger) {
- try {
- return new ClassifierShimObject(this, logger);
- }
- catch (err) {
- logInternalError(logger, err);
- throw err;
- }
- };
- TypeScriptServicesFactory.prototype.createCoreServicesShim = function (host) {
- try {
- var adapter = new CoreServicesShimHostAdapter(host);
- return new CoreServicesShimObject(this, host, adapter);
- }
- catch (err) {
- logInternalError(host, err);
- throw err;
- }
- };
- TypeScriptServicesFactory.prototype.close = function () {
- // Forget all the registered shims
- ts.clear(this._shims);
- this.documentRegistry = undefined;
- };
- TypeScriptServicesFactory.prototype.registerShim = function (shim) {
- this._shims.push(shim);
- };
- TypeScriptServicesFactory.prototype.unregisterShim = function (shim) {
- for (var i = 0; i < this._shims.length; i++) {
- if (this._shims[i] === shim) {
- delete this._shims[i];
- return;
- }
- }
- throw new Error("Invalid operation");
- };
- return TypeScriptServicesFactory;
- }());
- ts.TypeScriptServicesFactory = TypeScriptServicesFactory;
-})(ts || (ts = {}));
-/* eslint-enable no-in-operator */
-// We polyfill `globalThis` here so re can reliably patch the global scope
-// in the contexts we want to in the same way across script and module formats
-/* eslint-enable no-var */
-((function () {
- if (typeof globalThis === "object")
- return;
- try {
- Object.defineProperty(Object.prototype, "__magic__", {
- get: function () {
- return this;
- },
- configurable: true
- });
- //@ts-ignore
- __magic__.globalThis = __magic__;
- // The previous line should have made `globalThis` globally
- // available, but it fails in Internet Explorer 10 and older.
- // Detect this failure and fall back.
- if (typeof globalThis === "undefined") {
- // Assume `window` exists.
- //@ts-ignore
- window.globalThis = window;
- }
- //@ts-ignore
- delete Object.prototype.__magic__;
- }
- catch (error) {
- // In IE8, Object.defineProperty only works on DOM objects.
- // If we hit this code path, assume `window` exists.
- //@ts-ignore
- window.globalThis = window;
- }
-})());
-// #endregion The polyfill ends here.
-// if `process` is undefined, we're probably not running in node - patch legacy members onto the global scope
-// @ts-ignore
-if (typeof process === "undefined" || process.browser) {
- /// TODO: this is used by VS, clean this up on both sides of the interface
- //@ts-ignore
- globalThis.TypeScript = globalThis.TypeScript || {};
- //@ts-ignore
- globalThis.TypeScript.Services = globalThis.TypeScript.Services || {};
- //@ts-ignore
- globalThis.TypeScript.Services.TypeScriptServicesFactory = ts.TypeScriptServicesFactory;
- // 'toolsVersion' gets consumed by the managed side, so it's not unused.
- // TODO: it should be moved into a namespace though.
- //@ts-ignore
- globalThis.toolsVersion = ts.versionMajorMinor;
-}
-if (typeof module !== "undefined" && module.exports) {
- module.exports = ts;
-}
-
-//# sourceMappingURL=typescriptServices.js.map
projects / dotfiles / .git / blobdiff