2018-07-16 03:49:56 -04:00
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/**
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* @license
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* Copyright Google Inc. All Rights Reserved.
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*
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* Use of this source code is governed by an MIT-style license that can be
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* found in the LICENSE file at https://angular.io/license
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*/
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2018-08-28 06:32:01 -04:00
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import {existsSync, readFileSync, readdirSync, statSync} from 'fs';
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import * as mockFs from 'mock-fs';
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2018-07-30 13:06:51 -04:00
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import {join} from 'path';
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2018-08-09 10:59:10 -04:00
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const Module = require('module');
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2018-07-16 03:49:56 -04:00
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2019-03-20 09:47:58 -04:00
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import {mainNgcc} from '../../src/main';
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import {getAngularPackagesFromRunfiles, resolveNpmTreeArtifact} from '../../../test/runfile_helpers';
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import {EntryPointPackageJson} from '../../src/packages/entry_point';
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2018-07-16 03:49:56 -04:00
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2018-08-28 06:32:01 -04:00
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describe('ngcc main()', () => {
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beforeEach(createMockFileSystem);
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afterEach(restoreRealFileSystem);
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2018-07-16 03:49:56 -04:00
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2018-07-24 09:53:23 -04:00
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it('should run ngcc without errors for esm2015', () => {
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expect(() => mainNgcc({basePath: '/node_modules', propertiesToConsider: ['esm2015']}))
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.not.toThrow();
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2018-07-24 09:53:23 -04:00
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});
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2018-07-25 06:06:32 -04:00
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it('should run ngcc without errors for esm5', () => {
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expect(() => mainNgcc({basePath: '/node_modules', propertiesToConsider: ['esm5']}))
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.not.toThrow();
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2018-08-28 06:32:01 -04:00
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});
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2019-03-20 09:47:58 -04:00
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2019-03-20 09:47:58 -04:00
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describe('with targetEntryPointPath', () => {
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it('should only compile the given package entry-point (and its dependencies).', () => {
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mainNgcc({basePath: '/node_modules', targetEntryPointPath: '@angular/common/http'});
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expect(loadPackage('@angular/common/http').__processed_by_ivy_ngcc__).toEqual({
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module: '0.0.0-PLACEHOLDER',
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es2015: '0.0.0-PLACEHOLDER',
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esm5: '0.0.0-PLACEHOLDER',
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esm2015: '0.0.0-PLACEHOLDER',
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fesm5: '0.0.0-PLACEHOLDER',
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fesm2015: '0.0.0-PLACEHOLDER',
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});
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// * `common` is a dependency of `common/http`, so is compiled.
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expect(loadPackage('@angular/common').__processed_by_ivy_ngcc__).toEqual({
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module: '0.0.0-PLACEHOLDER',
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es2015: '0.0.0-PLACEHOLDER',
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esm5: '0.0.0-PLACEHOLDER',
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esm2015: '0.0.0-PLACEHOLDER',
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fesm5: '0.0.0-PLACEHOLDER',
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fesm2015: '0.0.0-PLACEHOLDER',
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});
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// * `core` is a dependency of `common`, so is compiled.
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expect(loadPackage('@angular/core').__processed_by_ivy_ngcc__).toEqual({
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module: '0.0.0-PLACEHOLDER',
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es2015: '0.0.0-PLACEHOLDER',
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esm5: '0.0.0-PLACEHOLDER',
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esm2015: '0.0.0-PLACEHOLDER',
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fesm5: '0.0.0-PLACEHOLDER',
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fesm2015: '0.0.0-PLACEHOLDER',
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});
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// * `common/testing` is not a dependency of `common/http` so is not compiled.
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expect(loadPackage('@angular/common/testing').__processed_by_ivy_ngcc__).toBeUndefined();
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});
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it('should mark a non-Angular package target as processed', () => {
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mainNgcc({basePath: '/node_modules', targetEntryPointPath: 'test-package'});
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// `test-package` has no Angular but is marked as processed.
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expect(loadPackage('test-package').__processed_by_ivy_ngcc__).toEqual({
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es2015: '0.0.0-PLACEHOLDER',
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});
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// * `core` is a dependency of `test-package`, but it is not processed, since test-package
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// was not processed.
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expect(loadPackage('@angular/core').__processed_by_ivy_ngcc__).toBeUndefined();
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});
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});
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describe('with propertiesToConsider', () => {
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it('should only compile the entry-point formats given in the `propertiesToConsider` list',
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() => {
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mainNgcc({
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basePath: '/node_modules',
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propertiesToConsider: ['main', 'esm5', 'module', 'fesm5']
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});
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// * the `main` property is UMD, which is not yet supported.
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// * none of the ES2015 formats are compiled as they are not on the `propertiesToConsider`
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// list.
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expect(loadPackage('@angular/core').__processed_by_ivy_ngcc__).toEqual({
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esm5: '0.0.0-PLACEHOLDER',
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module: '0.0.0-PLACEHOLDER',
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fesm5: '0.0.0-PLACEHOLDER',
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});
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expect(loadPackage('@angular/common').__processed_by_ivy_ngcc__).toEqual({
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esm5: '0.0.0-PLACEHOLDER',
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module: '0.0.0-PLACEHOLDER',
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fesm5: '0.0.0-PLACEHOLDER',
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});
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expect(loadPackage('@angular/common/testing').__processed_by_ivy_ngcc__).toEqual({
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esm5: '0.0.0-PLACEHOLDER',
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module: '0.0.0-PLACEHOLDER',
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fesm5: '0.0.0-PLACEHOLDER',
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});
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expect(loadPackage('@angular/common/http').__processed_by_ivy_ngcc__).toEqual({
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esm5: '0.0.0-PLACEHOLDER',
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module: '0.0.0-PLACEHOLDER',
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fesm5: '0.0.0-PLACEHOLDER',
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});
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});
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});
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2019-03-20 09:47:58 -04:00
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2019-03-20 09:47:58 -04:00
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describe('with compileAllFormats set to false', () => {
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it('should only compile the first matching format', () => {
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mainNgcc({
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basePath: '/node_modules',
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propertiesToConsider: ['main', 'module', 'fesm5', 'esm5'],
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compileAllFormats: false
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});
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// * The `main` is UMD, which is not yet supported, and so is not compiled.
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// * In the Angular packages fesm5 and module have the same underlying format,
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// so both are marked as compiled.
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// * The `esm5` is not compiled because we stopped after the `fesm5` format.
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expect(loadPackage('@angular/core').__processed_by_ivy_ngcc__).toEqual({
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fesm5: '0.0.0-PLACEHOLDER',
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module: '0.0.0-PLACEHOLDER',
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});
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expect(loadPackage('@angular/common').__processed_by_ivy_ngcc__).toEqual({
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fesm5: '0.0.0-PLACEHOLDER',
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module: '0.0.0-PLACEHOLDER',
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});
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expect(loadPackage('@angular/common/testing').__processed_by_ivy_ngcc__).toEqual({
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fesm5: '0.0.0-PLACEHOLDER',
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module: '0.0.0-PLACEHOLDER',
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});
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expect(loadPackage('@angular/common/http').__processed_by_ivy_ngcc__).toEqual({
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fesm5: '0.0.0-PLACEHOLDER',
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module: '0.0.0-PLACEHOLDER',
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});
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});
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2019-03-20 09:47:58 -04:00
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});
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2018-08-28 06:32:01 -04:00
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});
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2018-07-25 06:06:32 -04:00
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2018-08-28 06:32:01 -04:00
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function createMockFileSystem() {
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mockFs({
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'/node_modules/@angular': loadAngularPackages(),
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'/node_modules/rxjs': loadDirectory(resolveNpmTreeArtifact('rxjs', 'index.js')),
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'/node_modules/tslib': loadDirectory(resolveNpmTreeArtifact('tslib', 'tslib.js')),
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'/node_modules/test-package': {
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'package.json': '{"name": "test-package", "es2015": "./index.js", "typings": "./index.d.ts"}',
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'index.js':
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'import {AppModule} from "@angular/common"; export class MyApp extends AppModule;',
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'index.d.s':
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'import {AppModule} from "@angular/common"; export declare class MyApp extends AppModule;',
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}
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});
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2018-08-09 10:59:10 -04:00
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spyOn(Module, '_resolveFilename').and.callFake(mockResolve);
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}
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2018-07-25 06:06:32 -04:00
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2018-08-28 06:32:01 -04:00
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function restoreRealFileSystem() {
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mockFs.restore();
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}
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2019-01-25 13:48:27 -05:00
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/** Load the built Angular packages into an in-memory structure. */
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function loadAngularPackages(): Directory {
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const packagesDirectory: Directory = {};
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getAngularPackagesFromRunfiles().forEach(
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({name, pkgPath}) => { packagesDirectory[name] = loadDirectory(pkgPath); });
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return packagesDirectory;
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}
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/**
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* Load real files from the filesystem into an "in-memory" structure,
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* which can be used with `mock-fs`.
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* @param directoryPath the path to the directory we want to load.
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*/
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function loadDirectory(directoryPath: string): Directory {
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const directory: Directory = {};
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readdirSync(directoryPath).forEach(item => {
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const itemPath = join(directoryPath, item);
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if (statSync(itemPath).isDirectory()) {
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directory[item] = loadDirectory(itemPath);
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} else {
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directory[item] = readFileSync(itemPath, 'utf-8');
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}
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});
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return directory;
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}
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interface Directory {
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[pathSegment: string]: string|Directory;
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}
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/**
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* A mock implementation of the node.js Module._resolveFilename function,
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* which we are spying on to support mocking out the file-system in these tests.
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*
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* @param request the path to a module that needs resolving.
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*/
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function mockResolve(request: string): string|null {
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if (existsSync(request)) {
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const stat = statSync(request);
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if (stat.isFile()) {
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return request;
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} else if (stat.isDirectory()) {
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const pIndex = mockResolve(request + '/index');
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if (pIndex && existsSync(pIndex)) {
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return pIndex;
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}
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}
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}
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for (const ext of ['.js', '.d.ts']) {
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if (existsSync(request + ext)) {
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return request + ext;
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}
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}
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if (request.indexOf('/node_modules') === 0) {
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// We already tried adding node_modules so give up.
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return null;
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} else {
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return mockResolve(join('/node_modules', request));
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}
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}
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2019-03-20 09:47:59 -04:00
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function loadPackage(packageName: string): EntryPointPackageJson {
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return JSON.parse(readFileSync(`/node_modules/${packageName}/package.json`, 'utf8'));
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}
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