angular-docs-cn/packages/compiler-cli/ngcc/test/ngcc_options_spec.ts

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/**
* @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
*/
import {absoluteFrom, AbsoluteFsPath, FileSystem, getFileSystem} from '@angular/compiler-cli/src/ngtsc/file_system';
import {runInEachFileSystem} from '@angular/compiler-cli/src/ngtsc/file_system/testing';
import {clearTsConfigCache, getSharedSetup, NgccOptions} from '../src/ngcc_options';
import {MockLogger} from './helpers/mock_logger';
runInEachFileSystem(() => {
let fs: FileSystem;
let _abs: typeof absoluteFrom;
let projectPath: AbsoluteFsPath;
beforeEach(() => {
fs = getFileSystem();
_abs = absoluteFrom;
projectPath = _abs('/project');
});
describe('getSharedSetup()', () => {
let pathToProjectTsConfig: AbsoluteFsPath;
let pathToCustomTsConfig: AbsoluteFsPath;
beforeEach(() => {
clearTsConfigCache();
pathToProjectTsConfig = fs.resolve(projectPath, 'tsconfig.json');
fs.ensureDir(fs.dirname(pathToProjectTsConfig));
fs.writeFile(pathToProjectTsConfig, '{"files": ["src/index.ts"]}');
pathToCustomTsConfig = _abs('/path/to/tsconfig.json');
fs.ensureDir(fs.dirname(pathToCustomTsConfig));
fs.writeFile(pathToCustomTsConfig, '{"files": ["custom/index.ts"]}');
});
it('should load the tsconfig.json at the project root if tsConfigPath is `undefined`', () => {
const setup = getSharedSetup({...createOptions()});
expect(setup.tsConfigPath).toBeUndefined();
expect(setup.tsConfig?.rootNames).toEqual([fs.resolve(projectPath, 'src/index.ts')]);
});
it('should load a specific tsconfig.json if tsConfigPath is a string', () => {
const setup = getSharedSetup({...createOptions(), tsConfigPath: pathToCustomTsConfig});
expect(setup.tsConfigPath).toEqual(pathToCustomTsConfig);
expect(setup.tsConfig?.rootNames).toEqual([_abs('/path/to/custom/index.ts')]);
});
it('should not load a tsconfig.json if tsConfigPath is `null`', () => {
const setup = getSharedSetup({...createOptions(), tsConfigPath: null});
expect(setup.tsConfigPath).toBe(null);
expect(setup.tsConfig).toBe(null);
});
});
/**
* This function creates an object that contains the minimal required properties for NgccOptions.
*/
function createOptions(): NgccOptions {
return {
async: false,
basePath: fs.resolve(projectPath, 'node_modules'),
propertiesToConsider: ['es2015'],
compileAllFormats: false,
createNewEntryPointFormats: false,
logger: new MockLogger(),
fileSystem: getFileSystem(),
errorOnFailedEntryPoint: true,
enableI18nLegacyMessageIdFormat: true,
invalidateEntryPointManifest: false,
};
}
});