/** * @license * Copyright 2017 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. */ "use strict"; var __extends = (this && this.__extends) || (function () { var extendStatics = Object.setPrototypeOf || ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) || function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; }; return function (d, b) { extendStatics(d, b); function __() { this.constructor = d; } d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __()); }; })(); Object.defineProperty(exports, "__esModule", { value: true }); var ts = require("typescript"); var Lint = require("../index"); var Rule = (function (_super) { __extends(Rule, _super); function Rule() { return _super !== null && _super.apply(this, arguments) || this; } Rule.prototype.apply = function (sourceFile) { return this.applyWithWalker(new Walker(sourceFile, this.getOptions())); }; return Rule; }(Lint.Rules.AbstractRule)); /* tslint:disable:object-literal-sort-keys */ Rule.metadata = { ruleName: "prefer-method-signature", description: "Prefer `foo(): void` over `foo: () => void` in interfaces and types.", hasFix: true, optionsDescription: "Not configurable.", options: null, optionExamples: ["true"], type: "style", typescriptOnly: false, }; /* tslint:enable:object-literal-sort-keys */ Rule.FAILURE_STRING = "Use a method signature instead of a property signature of function type."; exports.Rule = Rule; var Walker = (function (_super) { __extends(Walker, _super); function Walker() { return _super !== null && _super.apply(this, arguments) || this; } Walker.prototype.visitPropertySignature = function (node) { var type = node.type; if (type !== undefined && type.kind === ts.SyntaxKind.FunctionType) { this.addFailureAtNode(node.name, Rule.FAILURE_STRING, this.createMethodSignatureFix(node, type)); } _super.prototype.visitPropertySignature.call(this, node); }; Walker.prototype.createMethodSignatureFix = function (node, type) { return type.type && this.createFix(this.deleteFromTo(Lint.childOfKind(node, ts.SyntaxKind.ColonToken).getStart(), type.getStart()), this.deleteFromTo(Lint.childOfKind(type, ts.SyntaxKind.EqualsGreaterThanToken).getStart(), type.type.getStart()), this.appendText(Lint.childOfKind(type, ts.SyntaxKind.CloseParenToken).end, ":")); }; return Walker; }(Lint.RuleWalker));