"use strict"; /** * @license * Copyright 2018 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. */ Object.defineProperty(exports, "__esModule", { value: true }); var tslib_1 = require("tslib"); var tsutils_1 = require("tsutils"); var ts = require("typescript"); var Lint = require("../index"); var preferWhile_examples_1 = require("./code-examples/preferWhile.examples"); var Rule = /** @class */ (function (_super) { tslib_1.__extends(Rule, _super); function Rule() { return _super !== null && _super.apply(this, arguments) || this; } Rule.prototype.apply = function (sourceFile) { var _this = this; var failures = []; var cb = function (node) { if (tsutils_1.isForStatement(node) && _this.doesNodeViolateRule(node)) { failures.push(_this.createFailure(sourceFile, node)); } return ts.forEachChild(node, cb); }; ts.forEachChild(sourceFile, cb); return failures; }; Rule.prototype.doesNodeViolateRule = function (node) { return node.initializer === undefined && node.incrementor === undefined; }; Rule.prototype.createFailure = function (sourceFile, node) { var start = node.getStart(sourceFile); var end = node.statement.pos; var fix; if (node.condition === undefined) { fix = Lint.Replacement.replaceFromTo(start, end, "while (true)"); } else { fix = [ Lint.Replacement.replaceFromTo(start, node.condition.getStart(sourceFile), "while ("), Lint.Replacement.deleteFromTo(node.condition.end, end - 1), ]; } return new Lint.RuleFailure(sourceFile, start, end, Rule.FAILURE_STRING, this.ruleName, fix); }; /* tslint:disable:object-literal-sort-keys */ Rule.metadata = { ruleName: "prefer-while", description: "Prefer `while` loops instead of `for` loops without an initializer and incrementor.", rationale: "Simplifies the readability of the loop statement, while maintaining the same functionality.", optionsDescription: "Not configurable.", options: null, optionExamples: [true], hasFix: true, type: "style", typescriptOnly: false, codeExamples: preferWhile_examples_1.codeExamples, }; /* tslint:enable:object-literal-sort-keys */ Rule.FAILURE_STRING = "Prefer `while` loops instead of `for` loops without an initializer and incrementor."; return Rule; }(Lint.Rules.AbstractRule)); exports.Rule = Rule;