"use strict"; /** * @license * Copyright 2019 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 }); exports.Rule = void 0; var tslib_1 = require("tslib"); var utils = require("tsutils"); var ts = require("typescript"); var Lint = require("../index"); var staticThis_examples_1 = require("./code-examples/staticThis.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) { return this.applyWithFunction(sourceFile, walk); }; /* tslint:disable:object-literal-sort-keys */ Rule.metadata = { ruleName: "static-this", description: "Ban the use of `this` in static methods.", hasFix: true, options: null, optionsDescription: "", optionExamples: [true], /* tslint:disable:max-line-length */ rationale: Lint.Utils.dedent(templateObject_1 || (templateObject_1 = tslib_1.__makeTemplateObject(["\n Static `this` usage can be confusing for newcomers.\n It can also become imprecise when used with extended classes when a static `this` of a parent class no longer specifically refers to the parent class.\n "], ["\n Static \\`this\\` usage can be confusing for newcomers.\n It can also become imprecise when used with extended classes when a static \\`this\\` of a parent class no longer specifically refers to the parent class.\n "]))), /* tslint:enable:max-line-length */ type: "functionality", typescriptOnly: false, codeExamples: staticThis_examples_1.codeExamples, }; /* tslint:enable:object-literal-sort-keys */ Rule.FAILURE_STRING = "Use the parent class name instead of `this` when in a `static` context."; return Rule; }(Lint.Rules.AbstractRule)); exports.Rule = Rule; function walk(ctx) { var currentParentClass; var cb = function (node) { var originalParentClass = currentParentClass; if (utils.isClassLikeDeclaration(node.parent)) { currentParentClass = undefined; if (utils.hasModifier(node.modifiers, ts.SyntaxKind.StaticKeyword)) { currentParentClass = node.parent; } ts.forEachChild(node, cb); currentParentClass = originalParentClass; return; } if (node.kind === ts.SyntaxKind.ThisKeyword && currentParentClass !== undefined) { var fix = void 0; if (currentParentClass.name !== undefined) { fix = Lint.Replacement.replaceNode(node, currentParentClass.name.text); } ctx.addFailureAtNode(node, Rule.FAILURE_STRING, fix); return; } ts.forEachChild(node, cb); }; ts.forEachChild(ctx.sourceFile, cb); } var templateObject_1;