| /** |
| * @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/migrations/wait-for-async/util", ["require", "exports", "typescript", "@angular/core/schematics/utils/typescript/symbol"], factory); |
| } |
| })(function (require, exports) { |
| "use strict"; |
| Object.defineProperty(exports, "__esModule", { value: true }); |
| exports.findAsyncReferences = void 0; |
| const ts = require("typescript"); |
| const symbol_1 = require("@angular/core/schematics/utils/typescript/symbol"); |
| /** Finds calls to the `async` function. */ |
| function findAsyncReferences(sourceFile, typeChecker, asyncImportSpecifier) { |
| const results = new Set(); |
| ts.forEachChild(sourceFile, function visitNode(node) { |
| if (ts.isCallExpression(node) && ts.isIdentifier(node.expression) && |
| node.expression.text === 'async' && |
| symbol_1.isReferenceToImport(typeChecker, node.expression, asyncImportSpecifier)) { |
| results.add(node.expression); |
| } |
| ts.forEachChild(node, visitNode); |
| }); |
| return results; |
| } |
| exports.findAsyncReferences = findAsyncReferences; |
| }); |
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