--- /dev/null
+/** PURE_IMPORTS_START tslib,_fromArray,_util_isArray,_Subscriber,_OuterSubscriber,_util_subscribeToResult,_.._internal_symbol_iterator PURE_IMPORTS_END */
+import * as tslib_1 from "tslib";
+import { fromArray } from './fromArray';
+import { isArray } from '../util/isArray';
+import { Subscriber } from '../Subscriber';
+import { OuterSubscriber } from '../OuterSubscriber';
+import { subscribeToResult } from '../util/subscribeToResult';
+import { iterator as Symbol_iterator } from '../../internal/symbol/iterator';
+export function zip() {
+ var observables = [];
+ for (var _i = 0; _i < arguments.length; _i++) {
+ observables[_i] = arguments[_i];
+ }
+ var resultSelector = observables[observables.length - 1];
+ if (typeof resultSelector === 'function') {
+ observables.pop();
+ }
+ return fromArray(observables, undefined).lift(new ZipOperator(resultSelector));
+}
+var ZipOperator = /*@__PURE__*/ (function () {
+ function ZipOperator(resultSelector) {
+ this.resultSelector = resultSelector;
+ }
+ ZipOperator.prototype.call = function (subscriber, source) {
+ return source.subscribe(new ZipSubscriber(subscriber, this.resultSelector));
+ };
+ return ZipOperator;
+}());
+export { ZipOperator };
+var ZipSubscriber = /*@__PURE__*/ (function (_super) {
+ tslib_1.__extends(ZipSubscriber, _super);
+ function ZipSubscriber(destination, resultSelector, values) {
+ if (values === void 0) {
+ values = Object.create(null);
+ }
+ var _this = _super.call(this, destination) || this;
+ _this.iterators = [];
+ _this.active = 0;
+ _this.resultSelector = (typeof resultSelector === 'function') ? resultSelector : null;
+ _this.values = values;
+ return _this;
+ }
+ ZipSubscriber.prototype._next = function (value) {
+ var iterators = this.iterators;
+ if (isArray(value)) {
+ iterators.push(new StaticArrayIterator(value));
+ }
+ else if (typeof value[Symbol_iterator] === 'function') {
+ iterators.push(new StaticIterator(value[Symbol_iterator]()));
+ }
+ else {
+ iterators.push(new ZipBufferIterator(this.destination, this, value));
+ }
+ };
+ ZipSubscriber.prototype._complete = function () {
+ var iterators = this.iterators;
+ var len = iterators.length;
+ this.unsubscribe();
+ if (len === 0) {
+ this.destination.complete();
+ return;
+ }
+ this.active = len;
+ for (var i = 0; i < len; i++) {
+ var iterator = iterators[i];
+ if (iterator.stillUnsubscribed) {
+ var destination = this.destination;
+ destination.add(iterator.subscribe(iterator, i));
+ }
+ else {
+ this.active--;
+ }
+ }
+ };
+ ZipSubscriber.prototype.notifyInactive = function () {
+ this.active--;
+ if (this.active === 0) {
+ this.destination.complete();
+ }
+ };
+ ZipSubscriber.prototype.checkIterators = function () {
+ var iterators = this.iterators;
+ var len = iterators.length;
+ var destination = this.destination;
+ for (var i = 0; i < len; i++) {
+ var iterator = iterators[i];
+ if (typeof iterator.hasValue === 'function' && !iterator.hasValue()) {
+ return;
+ }
+ }
+ var shouldComplete = false;
+ var args = [];
+ for (var i = 0; i < len; i++) {
+ var iterator = iterators[i];
+ var result = iterator.next();
+ if (iterator.hasCompleted()) {
+ shouldComplete = true;
+ }
+ if (result.done) {
+ destination.complete();
+ return;
+ }
+ args.push(result.value);
+ }
+ if (this.resultSelector) {
+ this._tryresultSelector(args);
+ }
+ else {
+ destination.next(args);
+ }
+ if (shouldComplete) {
+ destination.complete();
+ }
+ };
+ ZipSubscriber.prototype._tryresultSelector = function (args) {
+ var result;
+ try {
+ result = this.resultSelector.apply(this, args);
+ }
+ catch (err) {
+ this.destination.error(err);
+ return;
+ }
+ this.destination.next(result);
+ };
+ return ZipSubscriber;
+}(Subscriber));
+export { ZipSubscriber };
+var StaticIterator = /*@__PURE__*/ (function () {
+ function StaticIterator(iterator) {
+ this.iterator = iterator;
+ this.nextResult = iterator.next();
+ }
+ StaticIterator.prototype.hasValue = function () {
+ return true;
+ };
+ StaticIterator.prototype.next = function () {
+ var result = this.nextResult;
+ this.nextResult = this.iterator.next();
+ return result;
+ };
+ StaticIterator.prototype.hasCompleted = function () {
+ var nextResult = this.nextResult;
+ return nextResult && nextResult.done;
+ };
+ return StaticIterator;
+}());
+var StaticArrayIterator = /*@__PURE__*/ (function () {
+ function StaticArrayIterator(array) {
+ this.array = array;
+ this.index = 0;
+ this.length = 0;
+ this.length = array.length;
+ }
+ StaticArrayIterator.prototype[Symbol_iterator] = function () {
+ return this;
+ };
+ StaticArrayIterator.prototype.next = function (value) {
+ var i = this.index++;
+ var array = this.array;
+ return i < this.length ? { value: array[i], done: false } : { value: null, done: true };
+ };
+ StaticArrayIterator.prototype.hasValue = function () {
+ return this.array.length > this.index;
+ };
+ StaticArrayIterator.prototype.hasCompleted = function () {
+ return this.array.length === this.index;
+ };
+ return StaticArrayIterator;
+}());
+var ZipBufferIterator = /*@__PURE__*/ (function (_super) {
+ tslib_1.__extends(ZipBufferIterator, _super);
+ function ZipBufferIterator(destination, parent, observable) {
+ var _this = _super.call(this, destination) || this;
+ _this.parent = parent;
+ _this.observable = observable;
+ _this.stillUnsubscribed = true;
+ _this.buffer = [];
+ _this.isComplete = false;
+ return _this;
+ }
+ ZipBufferIterator.prototype[Symbol_iterator] = function () {
+ return this;
+ };
+ ZipBufferIterator.prototype.next = function () {
+ var buffer = this.buffer;
+ if (buffer.length === 0 && this.isComplete) {
+ return { value: null, done: true };
+ }
+ else {
+ return { value: buffer.shift(), done: false };
+ }
+ };
+ ZipBufferIterator.prototype.hasValue = function () {
+ return this.buffer.length > 0;
+ };
+ ZipBufferIterator.prototype.hasCompleted = function () {
+ return this.buffer.length === 0 && this.isComplete;
+ };
+ ZipBufferIterator.prototype.notifyComplete = function () {
+ if (this.buffer.length > 0) {
+ this.isComplete = true;
+ this.parent.notifyInactive();
+ }
+ else {
+ this.destination.complete();
+ }
+ };
+ ZipBufferIterator.prototype.notifyNext = function (outerValue, innerValue, outerIndex, innerIndex, innerSub) {
+ this.buffer.push(innerValue);
+ this.parent.checkIterators();
+ };
+ ZipBufferIterator.prototype.subscribe = function (value, index) {
+ return subscribeToResult(this, this.observable, this, index);
+ };
+ return ZipBufferIterator;
+}(OuterSubscriber));
+//# sourceMappingURL=zip.js.map
projects / dotfiles / .git / blobdiff