| /** |
| * @license |
| * Copyright Google LLC All Rights Reserved. |
| * |
| * Use of this source code is governed by an MIT-style license that can be |
| * found in the LICENSE file at https://angular.io/license |
| */ |
| (function (factory) { |
| if (typeof module === "object" && typeof module.exports === "object") { |
| var v = factory(require, exports); |
| if (v !== undefined) module.exports = v; |
| } |
| else if (typeof define === "function" && define.amd) { |
| define("@angular/core/schematics/utils/typescript/class_declaration", ["require", "exports", "typescript"], factory); |
| } |
| })(function (require, exports) { |
| "use strict"; |
| Object.defineProperty(exports, "__esModule", { value: true }); |
| exports.hasExplicitConstructor = exports.findParentClassDeclaration = exports.getBaseTypeIdentifiers = void 0; |
| const ts = require("typescript"); |
| /** Determines the base type identifiers of a specified class declaration. */ |
| function getBaseTypeIdentifiers(node) { |
| if (!node.heritageClauses) { |
| return null; |
| } |
| return node.heritageClauses.filter(clause => clause.token === ts.SyntaxKind.ExtendsKeyword) |
| .reduce((types, clause) => types.concat(clause.types), []) |
| .map(typeExpression => typeExpression.expression) |
| .filter(ts.isIdentifier); |
| } |
| exports.getBaseTypeIdentifiers = getBaseTypeIdentifiers; |
| /** Gets the first found parent class declaration of a given node. */ |
| function findParentClassDeclaration(node) { |
| while (!ts.isClassDeclaration(node)) { |
| if (ts.isSourceFile(node)) { |
| return null; |
| } |
| node = node.parent; |
| } |
| return node; |
| } |
| exports.findParentClassDeclaration = findParentClassDeclaration; |
| /** Checks whether the given class declaration has an explicit constructor or not. */ |
| function hasExplicitConstructor(node) { |
| return node.members.some(ts.isConstructorDeclaration); |
| } |
| exports.hasExplicitConstructor = hasExplicitConstructor; |
| }); |
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