| /** |
| * @license |
| * Copyright Google Inc. 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/migrations/injectable-pipe/util", ["require", "exports", "typescript"], factory); |
| } |
| })(function (require, exports) { |
| "use strict"; |
| Object.defineProperty(exports, "__esModule", { value: true }); |
| const ts = require("typescript"); |
| /** Name of the Injectable decorator. */ |
| exports.INJECTABLE_DECORATOR_NAME = 'Injectable'; |
| /** |
| * Adds an import to a named import node, if the import does not exist already. |
| * @param node Node to which to add the import. |
| * @param importName Name of the import that should be added. |
| */ |
| function addImport(node, importName) { |
| const elements = node.elements; |
| const isAlreadyImported = elements.some(element => element.name.text === importName); |
| if (!isAlreadyImported) { |
| return ts.updateNamedImports(node, [...elements, ts.createImportSpecifier(undefined, ts.createIdentifier(importName))]); |
| } |
| return node; |
| } |
| exports.addImport = addImport; |
| /** Gets the named imports node from an import declaration. */ |
| function getNamedImports(node) { |
| const importClause = node.importClause; |
| const namedImports = importClause && importClause.namedBindings; |
| return (namedImports && ts.isNamedImports(namedImports)) ? namedImports : null; |
| } |
| exports.getNamedImports = getNamedImports; |
| }); |
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