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https://github.com/JamesIves/github-pages-deploy-action.git
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74 lines
4.6 KiB
JavaScript
74 lines
4.6 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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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: "forin",
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description: "Requires a `for ... in` statement to be filtered with an `if` statement.",
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rationale: Lint.Utils.dedent(templateObject_1 || (templateObject_1 = tslib_1.__makeTemplateObject(["\n ```ts\n for (let key in someObject) {\n if (someObject.hasOwnProperty(key)) {\n // code here\n }\n }\n ```\n Prevents accidental iteration over properties inherited from an object's prototype.\n See [MDN's `for...in`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Statements/for...in)\n documentation for more information about `for...in` loops.\n\n Also consider using a [`Map`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Map)\n or [`Set`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Set)\n if you're storing collections of objects.\n Using `Object`s can cause occasional edge case bugs, such as if a key is named \"hasOwnProperty\".\n "], ["\n \\`\\`\\`ts\n for (let key in someObject) {\n if (someObject.hasOwnProperty(key)) {\n // code here\n }\n }\n \\`\\`\\`\n Prevents accidental iteration over properties inherited from an object's prototype.\n See [MDN's \\`for...in\\`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Statements/for...in)\n documentation for more information about \\`for...in\\` loops.\n\n Also consider using a [\\`Map\\`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Map)\n or [\\`Set\\`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Set)\n if you're storing collections of objects.\n Using \\`Object\\`s can cause occasional edge case bugs, such as if a key is named \"hasOwnProperty\".\n "]))),
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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 = "for (... in ...) statements must be filtered with an if statement";
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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.isForInStatement(node) && tsutils_1.isBlock(node.statement) && !isFiltered(node.statement)) {
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ctx.addFailureAtNode(node, Rule.FAILURE_STRING);
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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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function isFiltered(_a) {
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var statements = _a.statements;
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switch (statements.length) {
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case 0:
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return true;
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case 1:
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return statements[0].kind === ts.SyntaxKind.IfStatement;
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default:
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return (statements[0].kind === ts.SyntaxKind.IfStatement &&
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nodeIsContinue(statements[0].thenStatement));
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}
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}
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function nodeIsContinue(node) {
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return (node.kind === ts.SyntaxKind.ContinueStatement ||
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(tsutils_1.isBlock(node) &&
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node.statements.length === 1 &&
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node.statements[0].kind === ts.SyntaxKind.ContinueStatement));
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}
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var templateObject_1;
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