mirror of
https://github.com/angular/angular.git
synced 2026-09-14 13:54:52 +08:00
Pete Bacon Darwin
1aae94a421
This commit will store a cached copy of the parsed tsconfig
that can be reused if the tsconfig path is the same.
This will improve the ngcc "noop" case, where there is no processing
to do, when the entry-points have already been processed.
Previously we were parsing this config every time we checked for
entry-points to process, which can take up to seconds in some
cases.
Cherry-picked from #37417 (6e7bd939f6).
Resolves #36882
79 lines
2.8 KiB
TypeScript
79 lines
2.8 KiB
TypeScript
/**
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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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import {absoluteFrom, AbsoluteFsPath, FileSystem, getFileSystem} from '@angular/compiler-cli/src/ngtsc/file_system';
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import {runInEachFileSystem} from '@angular/compiler-cli/src/ngtsc/file_system/testing';
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import {clearTsConfigCache, getSharedSetup, NgccOptions} from '../src/ngcc_options';
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import {MockLogger} from './helpers/mock_logger';
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runInEachFileSystem(() => {
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let fs: FileSystem;
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let _abs: typeof absoluteFrom;
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let projectPath: AbsoluteFsPath;
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beforeEach(() => {
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fs = getFileSystem();
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_abs = absoluteFrom;
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projectPath = _abs('/project');
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});
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describe('getSharedSetup()', () => {
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let pathToProjectTsConfig: AbsoluteFsPath;
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let pathToCustomTsConfig: AbsoluteFsPath;
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beforeEach(() => {
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clearTsConfigCache();
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pathToProjectTsConfig = fs.resolve(projectPath, 'tsconfig.json');
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fs.ensureDir(fs.dirname(pathToProjectTsConfig));
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fs.writeFile(pathToProjectTsConfig, '{"files": ["src/index.ts"]}');
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pathToCustomTsConfig = _abs('/path/to/tsconfig.json');
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fs.ensureDir(fs.dirname(pathToCustomTsConfig));
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fs.writeFile(pathToCustomTsConfig, '{"files": ["custom/index.ts"]}');
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});
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it('should load the tsconfig.json at the project root if tsConfigPath is `undefined`', () => {
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const setup = getSharedSetup({...createOptions()});
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expect(setup.tsConfigPath).toBeUndefined();
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expect(setup.tsConfig?.rootNames).toEqual([fs.resolve(projectPath, 'src/index.ts')]);
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});
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it('should load a specific tsconfig.json if tsConfigPath is a string', () => {
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const setup = getSharedSetup({...createOptions(), tsConfigPath: pathToCustomTsConfig});
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expect(setup.tsConfigPath).toEqual(pathToCustomTsConfig);
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expect(setup.tsConfig?.rootNames).toEqual([_abs('/path/to/custom/index.ts')]);
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});
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it('should not load a tsconfig.json if tsConfigPath is `null`', () => {
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const setup = getSharedSetup({...createOptions(), tsConfigPath: null});
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expect(setup.tsConfigPath).toBe(null);
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expect(setup.tsConfig).toBe(null);
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});
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});
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/**
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* This function creates an object that contains the minimal required properties for NgccOptions.
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*/
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function createOptions(): NgccOptions {
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return {
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async: false,
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basePath: fs.resolve(projectPath, 'node_modules'),
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propertiesToConsider: ['es2015'],
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compileAllFormats: false,
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createNewEntryPointFormats: false,
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logger: new MockLogger(),
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fileSystem: getFileSystem(),
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errorOnFailedEntryPoint: true,
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enableI18nLegacyMessageIdFormat: true,
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invalidateEntryPointManifest: false,
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};
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}
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});
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