63 lines
3.0 KiB
JavaScript
63 lines
3.0 KiB
JavaScript
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"use strict";
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/**
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* @license
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* Copyright 2013 Palantir Technologies, Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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Object.defineProperty(exports, "__esModule", { value: true });
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exports.Rule = void 0;
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var tslib_1 = require("tslib");
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var tsutils_1 = require("tsutils");
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var ts = require("typescript");
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var Lint = require("../index");
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var Rule = /** @class */ (function (_super) {
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tslib_1.__extends(Rule, _super);
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function Rule() {
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return _super !== null && _super.apply(this, arguments) || this;
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}
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Rule.prototype.apply = function (sourceFile) {
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return this.applyWithFunction(sourceFile, walk);
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};
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/* tslint:disable:object-literal-sort-keys */
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Rule.metadata = {
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ruleName: "no-construct",
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description: "Disallows access to the constructors of `String`, `Number`, and `Boolean`.",
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descriptionDetails: "Disallows constructor use such as `new Number(foo)` but does not disallow `Number(foo)`.",
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rationale: Lint.Utils.dedent(templateObject_1 || (templateObject_1 = tslib_1.__makeTemplateObject(["\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."], ["\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."]))),
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optionsDescription: "Not configurable.",
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options: null,
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optionExamples: [true],
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type: "functionality",
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typescriptOnly: false,
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};
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/* tslint:enable:object-literal-sort-keys */
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Rule.FAILURE_STRING = "Forbidden constructor, use a literal or simple function call instead";
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return Rule;
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}(Lint.Rules.AbstractRule));
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exports.Rule = Rule;
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function walk(ctx) {
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return ts.forEachChild(ctx.sourceFile, function cb(node) {
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if (tsutils_1.isNewExpression(node) && node.expression.kind === ts.SyntaxKind.Identifier) {
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switch (node.expression.text) {
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case "Boolean":
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case "String":
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case "Number":
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ctx.addFailure(node.getStart(ctx.sourceFile), node.expression.end, Rule.FAILURE_STRING);
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}
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}
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return ts.forEachChild(node, cb);
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});
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}
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var templateObject_1;
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