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https://github.com/JamesIves/github-pages-deploy-action.git
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61 lines
3.7 KiB
JavaScript
61 lines
3.7 KiB
JavaScript
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"use strict";
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/**
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* @license
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* Copyright 2018 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 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.applyWithProgram = function (sourceFile, program) {
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return this.applyWithFunction(sourceFile, walk, undefined, program.getTypeChecker());
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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-for-in-array",
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description: "Disallows iterating over an array with a for-in loop.",
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descriptionDetails: Lint.Utils.dedent(templateObject_1 || (templateObject_1 = tslib_1.__makeTemplateObject(["\n A for-in loop (`for (var k in o)`) iterates over the properties of an Object.\n\n While it is legal to use for-in loops with array types, it is not common.\n for-in will iterate over the indices of the array as strings, omitting any \"holes\" in\n the array.\n\n More common is to use for-of, which iterates over the values of an array.\n If you want to iterate over the indices, alternatives include:\n\n array.forEach((value, index) => { ... });\n for (const [index, value] of array.entries()) { ... }\n for (let i = 0; i < array.length; i++) { ... }\n "], ["\n A for-in loop (\\`for (var k in o)\\`) iterates over the properties of an Object.\n\n While it is legal to use for-in loops with array types, it is not common.\n for-in will iterate over the indices of the array as strings, omitting any \"holes\" in\n the array.\n\n More common is to use for-of, which iterates over the values of an array.\n If you want to iterate over the indices, alternatives include:\n\n array.forEach((value, index) => { ... });\n for (const [index, value] of array.entries()) { ... }\n for (let i = 0; i < array.length; i++) { ... }\n "]))),
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optionsDescription: "Not configurable.",
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options: null,
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optionExamples: [true],
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requiresTypeInfo: 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 loops over arrays are forbidden. Use for-of or array.forEach instead.";
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return Rule;
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}(Lint.Rules.TypedRule));
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exports.Rule = Rule;
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function walk(ctx, checker) {
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return ts.forEachChild(ctx.sourceFile, function cb(node) {
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if (node.kind === ts.SyntaxKind.ForInStatement) {
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var type = checker.getTypeAtLocation(node.expression);
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if ((type.symbol !== undefined && type.symbol.name === "Array") ||
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// tslint:disable-next-line:no-bitwise
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(type.flags & ts.TypeFlags.StringLike) !== 0) {
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ctx.addFailureAtNode(node, 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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