--- /dev/null
+"use strict";
+/**
+ * @license
+ * Copyright 2017 Palantir Technologies, Inc.
+ *
+ * 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.
+ */
+Object.defineProperty(exports, "__esModule", { value: true });
+var tslib_1 = require("tslib");
+var tsutils_1 = require("tsutils");
+var ts = require("typescript");
+var Lint = require("../index");
+var utils_1 = require("../utils");
+var Rule = /** @class */ (function (_super) {
+ tslib_1.__extends(Rule, _super);
+ function Rule() {
+ return _super !== null && _super.apply(this, arguments) || this;
+ }
+ Rule.prototype.apply = function (sourceFile) {
+ return this.applyWithFunction(sourceFile, walk);
+ };
+ /* tslint:disable:object-literal-sort-keys */
+ Rule.metadata = {
+ ruleName: "number-literal-format",
+ hasFix: true,
+ description: "Checks that decimal literals should begin with '0.' instead of just '.', and should not end with a trailing '0'.",
+ optionsDescription: "Not configurable.",
+ options: null,
+ optionExamples: [true],
+ rationale: Lint.Utils.dedent(templateObject_1 || (templateObject_1 = tslib_1.__makeTemplateObject(["\n Helps keep a consistent style with numeric literals.\n Non-standard literals are more difficult to scan through and can be a symptom of typos.\n "], ["\n Helps keep a consistent style with numeric literals.\n Non-standard literals are more difficult to scan through and can be a symptom of typos.\n "]))),
+ type: "formatting",
+ typescriptOnly: false,
+ };
+ /* tslint:enable:object-literal-sort-keys */
+ Rule.FAILURE_STRING_LEADING_0 = "Number literal should not have a leading '0'.";
+ Rule.FAILURE_STRING_TRAILING_0 = "Number literal should not have a trailing '0'.";
+ Rule.FAILURE_STRING_TRAILING_DECIMAL = "Number literal should not end in '.'.";
+ Rule.FAILURE_STRING_LEADING_DECIMAL = "Number literal should begin with '0.' and not just '.'.";
+ Rule.FAILURE_STRING_NOT_UPPERCASE = "Hexadecimal number literal should be uppercase.";
+ return Rule;
+}(Lint.Rules.AbstractRule));
+exports.Rule = Rule;
+function walk(ctx) {
+ var sourceFile = ctx.sourceFile;
+ return ts.forEachChild(sourceFile, function cb(node) {
+ if (tsutils_1.isNumericLiteral(node)) {
+ return check(node);
+ }
+ return ts.forEachChild(node, cb);
+ });
+ function check(node) {
+ // Apparently the number literal '0.0' has a '.text' of '0', so use '.getText()' instead.
+ var text = node.getText(sourceFile);
+ var start = node.getStart();
+ if (text.length <= 1) {
+ return;
+ }
+ if (text.startsWith("0")) {
+ // Hex/octal/binary number can't have decimal point or exponent, so no other errors possible.
+ switch (text[1]) {
+ case "x":
+ // strip "0x"
+ var hexNumber = text.slice(2);
+ if (!utils_1.isUpperCase(hexNumber)) {
+ ctx.addFailureAtNode(node, Rule.FAILURE_STRING_NOT_UPPERCASE, Lint.Replacement.replaceNode(node, "0x" + hexNumber.toUpperCase()));
+ }
+ return;
+ case "o":
+ case "b":
+ return;
+ case ".":
+ break;
+ default:
+ ctx.addFailureAtNode(node, Rule.FAILURE_STRING_LEADING_0, Lint.Replacement.deleteFromTo(start, start + /^0+/.exec(text)[0].length));
+ return;
+ }
+ }
+ var _a = text.split(/e/i), num = _a[0], _b = _a[1], exp = _b === void 0 ? "" : _b;
+ var _c = num.split("."), integer = _c[0], _d = _c[1], float = _d === void 0 ? "" : _d;
+ var matchedNumeric = /(\.)([1-9]*)(0+)/.exec(num);
+ var _e = Array.isArray(matchedNumeric)
+ ? matchedNumeric.slice(1)
+ : [], _f = _e[0], dot = _f === void 0 ? "" : _f, _g = _e[1], numbers = _g === void 0 ? "" : _g, _h = _e[2], zeroes = _h === void 0 ? "" : _h;
+ if (exp.startsWith("-0") || exp.startsWith("0")) {
+ var expStart = start + num.length + 1; // position of exp part
+ var expNumberStart = /\D/.test(exp.charAt(0)) ? expStart + 1 : expStart; // do not remove "-" or "+"
+ ctx.addFailureAt(node.getEnd() - exp.length, exp.length, Rule.FAILURE_STRING_LEADING_0, Lint.Replacement.deleteFromTo(expNumberStart, expNumberStart + /0+/.exec(exp)[0].length));
+ }
+ if (!num.includes(".")) {
+ return;
+ }
+ if (num.startsWith(".")) {
+ // .1 -> 0.1
+ fail(Rule.FAILURE_STRING_LEADING_DECIMAL, Lint.Replacement.appendText(start, "0"));
+ }
+ else if (num.endsWith(".")) {
+ // 1. -> 1
+ fail(Rule.FAILURE_STRING_TRAILING_DECIMAL, Lint.Replacement.deleteText(start + num.length - 1, 1));
+ }
+ // Allow '10', but not '1.0'
+ if (float.endsWith("0")) {
+ // 1.0 -> 1
+ var offset = numbers.length > 0 ? dot.length + numbers.length : 0;
+ var length = (numbers.length > 0 ? 0 : dot.length) + zeroes.length;
+ fail(Rule.FAILURE_STRING_TRAILING_0, Lint.Replacement.deleteText(start + integer.length + offset, length));
+ }
+ function fail(message, fix) {
+ ctx.addFailureAt(node.getStart(sourceFile), num.length, message, fix);
+ }
+ }
+}
+var templateObject_1;
projects / dotfiles / .git / blobdiff