| /** |
| * @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/utils/typescript/imports", ["require", "exports", "typescript"], factory); |
| } |
| })(function (require, exports) { |
| "use strict"; |
| Object.defineProperty(exports, "__esModule", { value: true }); |
| const ts = require("typescript"); |
| /** Gets import information about the specified identifier by using the Type checker. */ |
| function getImportOfIdentifier(typeChecker, node) { |
| const symbol = typeChecker.getSymbolAtLocation(node); |
| if (!symbol || !symbol.declarations.length) { |
| return null; |
| } |
| const decl = symbol.declarations[0]; |
| if (!ts.isImportSpecifier(decl)) { |
| return null; |
| } |
| const importDecl = decl.parent.parent.parent; |
| if (!ts.isStringLiteral(importDecl.moduleSpecifier)) { |
| return null; |
| } |
| return { |
| // Handles aliased imports: e.g. "import {Component as myComp} from ..."; |
| name: decl.propertyName ? decl.propertyName.text : decl.name.text, |
| importModule: importDecl.moduleSpecifier.text, |
| node: importDecl |
| }; |
| } |
| exports.getImportOfIdentifier = getImportOfIdentifier; |
| }); |
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