mirror of
https://github.com/JamesIves/github-pages-deploy-action.git
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76 lines
4.3 KiB
JavaScript
76 lines
4.3 KiB
JavaScript
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"use strict";
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/**
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* @license
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* Copyright 2015 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: "no-var-keyword",
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description: "Disallows usage of the `var` keyword.",
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descriptionDetails: "Use `let` or `const` instead.",
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hasFix: true,
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optionsDescription: "Not configurable.",
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options: null,
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optionExamples: [true],
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rationale: Lint.Utils.dedent(templateObject_1 || (templateObject_1 = tslib_1.__makeTemplateObject(["\n Declaring variables using `var` has several edge case behaviors that make `var` unsuitable for modern code.\n Variables declared by `var` have their parent function block as their scope, ignoring other control flow statements.\n `var`s have declaration \"hoisting\" (similar to `function`s) and can appear to be used before declaration.\n\n Variables declared by `const` and `let` instead have as their scope the block in which they are defined,\n and are not allowed to used before declaration or be re-declared with another `const` or `let`.\n "], ["\n Declaring variables using \\`var\\` has several edge case behaviors that make \\`var\\` unsuitable for modern code.\n Variables declared by \\`var\\` have their parent function block as their scope, ignoring other control flow statements.\n \\`var\\`s have declaration \"hoisting\" (similar to \\`function\\`s) and can appear to be used before declaration.\n\n Variables declared by \\`const\\` and \\`let\\` instead have as their scope the block in which they are defined,\n and are not allowed to used before declaration or be re-declared with another \\`const\\` or \\`let\\`.\n "]))),
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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 'var' keyword, use 'let' or 'const' 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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var sourceFile = ctx.sourceFile;
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return ts.forEachChild(sourceFile, function cb(node) {
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var parent = node.parent;
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if (tsutils_1.isVariableDeclarationList(node) &&
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!tsutils_1.isBlockScopedVariableDeclarationList(node) &&
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// If !isVariableStatement, this is inside of a for loop.
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(!tsutils_1.isVariableStatement(parent) || !isGlobalVarDeclaration(parent))) {
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var start = node.getStart(sourceFile);
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var width = "var".length;
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// Don't apply fix in a declaration file, because may have meant 'const'.
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var fix = sourceFile.isDeclarationFile
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? undefined
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: new Lint.Replacement(start, width, "let");
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ctx.addFailureAt(start, width, Rule.FAILURE_STRING, fix);
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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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// Allow `declare var x: number;` or `declare global { var x: number; }`
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function isGlobalVarDeclaration(node) {
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var parent = node.parent;
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return (tsutils_1.hasModifier(node.modifiers, ts.SyntaxKind.DeclareKeyword) ||
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(parent.kind === ts.SyntaxKind.ModuleBlock &&
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tsutils_1.isNodeFlagSet(parent.parent, ts.NodeFlags.GlobalAugmentation)));
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}
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var templateObject_1;
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