diff options
Diffstat (limited to 'node_modules/tslint/lib/rules/useIsnanRule.js')
-rw-r--r-- | node_modules/tslint/lib/rules/useIsnanRule.js | 70 |
1 files changed, 0 insertions, 70 deletions
diff --git a/node_modules/tslint/lib/rules/useIsnanRule.js b/node_modules/tslint/lib/rules/useIsnanRule.js deleted file mode 100644 index cd5de673a..000000000 --- a/node_modules/tslint/lib/rules/useIsnanRule.js +++ /dev/null @@ -1,70 +0,0 @@ -"use strict"; -/** - * @license - * Copyright 2013 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 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: "use-isnan", - description: "Enforces use of the `isNaN()` function to check for NaN references instead of a comparison to the `NaN` constant.", - rationale: Lint.Utils.dedent(templateObject_1 || (templateObject_1 = tslib_1.__makeTemplateObject(["\n Since `NaN !== NaN`, comparisons with regular operators will produce unexpected results.\n So, instead of `if (myVar === NaN)`, do `if (isNaN(myVar))`."], ["\n Since \\`NaN !== NaN\\`, comparisons with regular operators will produce unexpected results.\n So, instead of \\`if (myVar === NaN)\\`, do \\`if (isNaN(myVar))\\`."]))), - optionsDescription: "Not configurable.", - options: null, - optionExamples: [true], - type: "functionality", - typescriptOnly: false, - }; - /* tslint:enable:object-literal-sort-keys */ - Rule.FAILURE_STRING = "Found an invalid comparison for NaN: "; - return Rule; -}(Lint.Rules.AbstractRule)); -exports.Rule = Rule; -function walk(ctx) { - return ts.forEachChild(ctx.sourceFile, function cb(node) { - if (tsutils_1.isBinaryExpression(node)) { - switch (node.operatorToken.kind) { - case ts.SyntaxKind.LessThanToken: - case ts.SyntaxKind.GreaterThanToken: - case ts.SyntaxKind.LessThanEqualsToken: - case ts.SyntaxKind.GreaterThanEqualsToken: - case ts.SyntaxKind.EqualsEqualsToken: - case ts.SyntaxKind.ExclamationEqualsToken: - case ts.SyntaxKind.EqualsEqualsEqualsToken: - case ts.SyntaxKind.ExclamationEqualsEqualsToken: - if (isExpressionNaN(node.right) || isExpressionNaN(node.left)) { - ctx.addFailureAtNode(node, Rule.FAILURE_STRING + node.getText(ctx.sourceFile)); - } - } - } - return ts.forEachChild(node, cb); - }); -} -function isExpressionNaN(node) { - return node.kind === ts.SyntaxKind.Identifier && node.text === "NaN"; -} -var templateObject_1; |