/** * @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. */ "use strict"; var __extends = (this && this.__extends) || (function () { var 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 function (d, b) { extendStatics(d, b); function __() { this.constructor = d; } d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __()); }; })(); Object.defineProperty(exports, "__esModule", { value: true }); var ts = require("typescript"); var Lint = require("../index"); var Rule = (function (_super) { __extends(Rule, _super); function Rule() { return _super !== null && _super.apply(this, arguments) || this; } Rule.prototype.apply = function (sourceFile) { return this.applyWithWalker(new NoConstructWalker(sourceFile, this.getOptions())); }; return Rule; }(Lint.Rules.AbstractRule)); /* tslint:disable:object-literal-sort-keys */ Rule.metadata = { ruleName: "no-construct", description: "Disallows access to the constructors of `String`, `Number`, and `Boolean`.", descriptionDetails: "Disallows constructor use such as `new Number(foo)` but does not disallow `Number(foo)`.", rationale: (_a = ["\n There is little reason to use `String`, `Number`, or `Boolean` as constructors.\n In almost all cases, the regular function-call version is more appropriate.\n [More details](http://stackoverflow.com/q/4719320/3124288) are available on StackOverflow."], _a.raw = ["\n There is little reason to use \\`String\\`, \\`Number\\`, or \\`Boolean\\` as constructors.\n In almost all cases, the regular function-call version is more appropriate.\n [More details](http://stackoverflow.com/q/4719320/3124288) are available on StackOverflow."], Lint.Utils.dedent(_a)), optionsDescription: "Not configurable.", options: null, optionExamples: ["true"], type: "functionality", typescriptOnly: false, }; /* tslint:enable:object-literal-sort-keys */ Rule.FAILURE_STRING = "Forbidden constructor, use a literal or simple function call instead"; exports.Rule = Rule; var NoConstructWalker = (function (_super) { __extends(NoConstructWalker, _super); function NoConstructWalker() { return _super !== null && _super.apply(this, arguments) || this; } NoConstructWalker.prototype.visitNewExpression = function (node) { if (node.expression.kind === ts.SyntaxKind.Identifier) { var identifier = node.expression; var constructorName = identifier.text; if (NoConstructWalker.FORBIDDEN_CONSTRUCTORS.indexOf(constructorName) !== -1) { this.addFailureAt(node.getStart(), identifier.getEnd() - node.getStart(), Rule.FAILURE_STRING); } } _super.prototype.visitNewExpression.call(this, node); }; return NoConstructWalker; }(Lint.RuleWalker)); NoConstructWalker.FORBIDDEN_CONSTRUCTORS = [ "Boolean", "Number", "String", ]; var _a;