/** * @license * Copyright 2016 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 NoDefaultExportWalker(sourceFile, this.getOptions())); }; return Rule; }(Lint.Rules.AbstractRule)); /* tslint:disable:object-literal-sort-keys */ Rule.metadata = { ruleName: "no-default-export", description: "Disallows default exports in ES6-style modules.", descriptionDetails: "Use named exports instead.", rationale: (_a = ["\n Named imports/exports [promote clarity](https://github.com/palantir/tslint/issues/1182#issue-151780453).\n In addition, current tooling differs on the correct way to handle default imports/exports.\n Avoiding them all together can help avoid tooling bugs and conflicts."], _a.raw = ["\n Named imports/exports [promote clarity](https://github.com/palantir/tslint/issues/1182#issue-151780453).\n In addition, current tooling differs on the correct way to handle default imports/exports.\n Avoiding them all together can help avoid tooling bugs and conflicts."], Lint.Utils.dedent(_a)), optionsDescription: "Not configurable.", options: null, optionExamples: ["true"], type: "maintainability", typescriptOnly: false, }; /* tslint:enable:object-literal-sort-keys */ Rule.FAILURE_STRING = "Use of default exports is forbidden"; exports.Rule = Rule; var NoDefaultExportWalker = (function (_super) { __extends(NoDefaultExportWalker, _super); function NoDefaultExportWalker() { return _super !== null && _super.apply(this, arguments) || this; } NoDefaultExportWalker.prototype.visitExportAssignment = function (node) { var exportMember = node.getChildAt(1); if (exportMember != null && exportMember.kind === ts.SyntaxKind.DefaultKeyword) { this.addFailureAtNode(exportMember, Rule.FAILURE_STRING); } _super.prototype.visitExportAssignment.call(this, node); }; // inline class declaration and function declaration exports use modifiers NoDefaultExportWalker.prototype.visitNode = function (node) { if (node.kind === ts.SyntaxKind.DefaultKeyword && node.parent != null) { var nodes = node.parent.modifiers; if (nodes != null && nodes.length === 2 && nodes[0].kind === ts.SyntaxKind.ExportKeyword && nodes[1].kind === ts.SyntaxKind.DefaultKeyword) { this.addFailureAtNode(nodes[1], Rule.FAILURE_STRING); } } _super.prototype.visitNode.call(this, node); }; return NoDefaultExportWalker; }(Lint.RuleWalker)); var _a;