0822dc70f2
Existing bootstrap code in the wild depends on the existence of .ngfactory files, which Ivy does not need. This commit adds the capability in ngtsc to generate .ngfactory files which bridge existing bootstrap code with Ivy. This is an initial step. Remaining work includes complying with the compiler option to specify a generated file directory, as well as presumably testing in g3. PR Close #25176
644 lines
20 KiB
TypeScript
644 lines
20 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 * as fs from 'fs';
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import * as path from 'path';
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import * as ts from 'typescript';
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import {main, readCommandLineAndConfiguration, watchMode} from '../../src/main';
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import {TestSupport, isInBazel, makeTempDir, setup} from '../test_support';
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function setupFakeCore(support: TestSupport): void {
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const fakeCore = path.join(
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process.env.TEST_SRCDIR, 'angular/packages/compiler-cli/test/ngtsc/fake_core/npm_package');
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const nodeModulesPath = path.join(support.basePath, 'node_modules');
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const angularCoreDirectory = path.join(nodeModulesPath, '@angular/core');
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fs.symlinkSync(fakeCore, angularCoreDirectory);
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}
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function getNgRootDir() {
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const moduleFilename = module.filename.replace(/\\/g, '/');
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const distIndex = moduleFilename.indexOf('/dist/all');
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return moduleFilename.substr(0, distIndex);
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}
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describe('ngtsc behavioral tests', () => {
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if (!isInBazel()) {
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// These tests should be excluded from the non-Bazel build.
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return;
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}
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let basePath: string;
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let outDir: string;
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let write: (fileName: string, content: string) => void;
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let errorSpy: jasmine.Spy&((s: string) => void);
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function shouldExist(fileName: string) {
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if (!fs.existsSync(path.resolve(outDir, fileName))) {
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throw new Error(`Expected ${fileName} to be emitted (outDir: ${outDir})`);
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}
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}
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function shouldNotExist(fileName: string) {
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if (fs.existsSync(path.resolve(outDir, fileName))) {
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throw new Error(`Did not expect ${fileName} to be emitted (outDir: ${outDir})`);
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}
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}
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function getContents(fileName: string): string {
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shouldExist(fileName);
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const modulePath = path.resolve(outDir, fileName);
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return fs.readFileSync(modulePath, 'utf8');
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}
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function writeConfig(extraOpts: {[key: string]: string | boolean} = {}): void {
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const opts = JSON.stringify({...extraOpts, 'enableIvy': 'ngtsc'});
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const tsconfig: string =
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`{"extends": "./tsconfig-base.json", "angularCompilerOptions": ${opts}}`;
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write('tsconfig.json', tsconfig);
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}
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beforeEach(() => {
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errorSpy = jasmine.createSpy('consoleError').and.callFake(console.error);
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const support = setup();
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basePath = support.basePath;
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outDir = path.join(basePath, 'built');
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process.chdir(basePath);
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write = (fileName: string, content: string) => { support.write(fileName, content); };
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setupFakeCore(support);
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write('tsconfig-base.json', `{
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"compilerOptions": {
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"experimentalDecorators": true,
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"skipLibCheck": true,
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"noImplicitAny": true,
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"types": [],
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"outDir": "built",
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"rootDir": ".",
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"baseUrl": ".",
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"declaration": true,
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"target": "es5",
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"module": "es2015",
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"moduleResolution": "node",
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"lib": ["es6", "dom"],
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"typeRoots": ["node_modules/@types"]
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},
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"angularCompilerOptions": {
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"enableIvy": "ngtsc"
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}
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}`);
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});
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it('should compile Injectables without errors', () => {
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writeConfig();
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write('test.ts', `
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import {Injectable} from '@angular/core';
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@Injectable()
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export class Dep {}
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@Injectable()
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export class Service {
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constructor(dep: Dep) {}
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}
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`);
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const exitCode = main(['-p', basePath], errorSpy);
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expect(errorSpy).not.toHaveBeenCalled();
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expect(exitCode).toBe(0);
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const jsContents = getContents('test.js');
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expect(jsContents).toContain('Dep.ngInjectableDef =');
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expect(jsContents).toContain('Service.ngInjectableDef =');
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expect(jsContents).not.toContain('__decorate');
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const dtsContents = getContents('test.d.ts');
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expect(dtsContents).toContain('static ngInjectableDef: i0.ɵInjectableDef<Dep>;');
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expect(dtsContents).toContain('static ngInjectableDef: i0.ɵInjectableDef<Service>;');
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});
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it('should compile Components without errors', () => {
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writeConfig();
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write('test.ts', `
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import {Component} from '@angular/core';
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@Component({
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selector: 'test-cmp',
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template: 'this is a test',
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})
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export class TestCmp {}
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`);
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const exitCode = main(['-p', basePath], errorSpy);
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expect(errorSpy).not.toHaveBeenCalled();
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expect(exitCode).toBe(0);
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const jsContents = getContents('test.js');
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expect(jsContents).toContain('TestCmp.ngComponentDef = i0.ɵdefineComponent');
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expect(jsContents).not.toContain('__decorate');
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const dtsContents = getContents('test.d.ts');
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expect(dtsContents).toContain('static ngComponentDef: i0.ɵComponentDef<TestCmp, \'test-cmp\'>');
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});
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it('should compile Components without errors', () => {
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writeConfig();
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write('test.ts', `
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import {Component} from '@angular/core';
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@Component({
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selector: 'test-cmp',
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templateUrl: './dir/test.html',
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})
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export class TestCmp {}
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`);
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write('dir/test.html', '<p>Hello World</p>');
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const exitCode = main(['-p', basePath], errorSpy);
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expect(errorSpy).not.toHaveBeenCalled();
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expect(exitCode).toBe(0);
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const jsContents = getContents('test.js');
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expect(jsContents).toContain('Hello World');
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});
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it('should compile NgModules without errors', () => {
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writeConfig();
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write('test.ts', `
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import {Component, NgModule} from '@angular/core';
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@Component({
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selector: 'test-cmp',
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template: 'this is a test',
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})
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export class TestCmp {}
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@NgModule({
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declarations: [TestCmp],
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})
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export class TestModule {}
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`);
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const exitCode = main(['-p', basePath], errorSpy);
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expect(errorSpy).not.toHaveBeenCalled();
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expect(exitCode).toBe(0);
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const jsContents = getContents('test.js');
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expect(jsContents)
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.toContain(
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'i0.ɵdefineNgModule({ type: TestModule, bootstrap: [], ' +
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'declarations: [TestCmp], imports: [], exports: [] })');
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const dtsContents = getContents('test.d.ts');
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expect(dtsContents).toContain('static ngComponentDef: i0.ɵComponentDef<TestCmp, \'test-cmp\'>');
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expect(dtsContents)
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.toContain(
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'static ngModuleDef: i0.ɵNgModuleDef<TestModule, [typeof TestCmp], never, never>');
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expect(dtsContents).not.toContain('__decorate');
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});
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it('should compile NgModules with services without errors', () => {
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writeConfig();
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write('test.ts', `
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import {Component, NgModule} from '@angular/core';
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export class Token {}
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@NgModule({})
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export class OtherModule {}
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@Component({
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selector: 'test-cmp',
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template: 'this is a test',
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})
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export class TestCmp {}
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@NgModule({
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declarations: [TestCmp],
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providers: [{provide: Token, useValue: 'test'}],
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imports: [OtherModule],
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})
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export class TestModule {}
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`);
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const exitCode = main(['-p', basePath], errorSpy);
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expect(errorSpy).not.toHaveBeenCalled();
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expect(exitCode).toBe(0);
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const jsContents = getContents('test.js');
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expect(jsContents).toContain('i0.ɵdefineNgModule({ type: TestModule,');
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expect(jsContents)
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.toContain(
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`TestModule.ngInjectorDef = i0.defineInjector({ factory: ` +
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`function TestModule_Factory() { return new TestModule(); }, providers: [{ provide: ` +
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`Token, useValue: 'test' }], imports: [[OtherModule]] });`);
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const dtsContents = getContents('test.d.ts');
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expect(dtsContents)
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.toContain(
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'static ngModuleDef: i0.ɵNgModuleDef<TestModule, [typeof TestCmp], [typeof OtherModule], never>');
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expect(dtsContents).toContain('static ngInjectorDef: i0.ɵInjectorDef');
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});
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it('should compile NgModules with references to local components', () => {
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writeConfig();
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write('test.ts', `
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import {NgModule} from '@angular/core';
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import {Foo} from './foo';
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@NgModule({
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declarations: [Foo],
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})
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export class FooModule {}
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`);
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write('foo.ts', `
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import {Component} from '@angular/core';
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@Component({selector: 'foo', template: ''})
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export class Foo {}
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`);
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const exitCode = main(['-p', basePath], errorSpy);
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expect(errorSpy).not.toHaveBeenCalled();
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expect(exitCode).toBe(0);
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const jsContents = getContents('test.js');
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const dtsContents = getContents('test.d.ts');
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expect(jsContents).toContain('import { Foo } from \'./foo\';');
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expect(jsContents).not.toMatch(/as i[0-9] from '.\/foo'/);
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expect(dtsContents).toContain('as i1 from \'./foo\';');
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});
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it('should compile NgModules with references to absolute components', () => {
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writeConfig();
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write('test.ts', `
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import {NgModule} from '@angular/core';
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import {Foo} from 'foo';
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@NgModule({
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declarations: [Foo],
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})
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export class FooModule {}
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`);
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write('node_modules/foo/index.d.ts', `
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import * as i0 from '@angular/core';
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export class Foo {
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static ngComponentDef: i0.ɵComponentDef<Foo, 'foo'>;
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}
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`);
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const exitCode = main(['-p', basePath], errorSpy);
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expect(errorSpy).not.toHaveBeenCalled();
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expect(exitCode).toBe(0);
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const jsContents = getContents('test.js');
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const dtsContents = getContents('test.d.ts');
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expect(jsContents).toContain('import { Foo } from \'foo\';');
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expect(jsContents).not.toMatch(/as i[0-9] from 'foo'/);
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expect(dtsContents).toContain('as i1 from \'foo\';');
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});
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it('should compile Pipes without errors', () => {
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writeConfig();
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write('test.ts', `
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import {Pipe} from '@angular/core';
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@Pipe({
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name: 'test-pipe',
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pure: false,
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})
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export class TestPipe {}
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`);
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const exitCode = main(['-p', basePath], errorSpy);
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expect(errorSpy).not.toHaveBeenCalled();
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expect(exitCode).toBe(0);
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const jsContents = getContents('test.js');
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const dtsContents = getContents('test.d.ts');
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expect(jsContents)
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.toContain(
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'TestPipe.ngPipeDef = i0.ɵdefinePipe({ name: "test-pipe", type: TestPipe, ' +
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'factory: function TestPipe_Factory() { return new TestPipe(); }, pure: false })');
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expect(dtsContents).toContain('static ngPipeDef: i0.ɵPipeDef<TestPipe, \'test-pipe\'>;');
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});
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it('should compile pure Pipes without errors', () => {
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writeConfig();
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write('test.ts', `
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import {Pipe} from '@angular/core';
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@Pipe({
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name: 'test-pipe',
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})
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export class TestPipe {}
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`);
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const exitCode = main(['-p', basePath], errorSpy);
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expect(errorSpy).not.toHaveBeenCalled();
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expect(exitCode).toBe(0);
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const jsContents = getContents('test.js');
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const dtsContents = getContents('test.d.ts');
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expect(jsContents)
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.toContain(
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'TestPipe.ngPipeDef = i0.ɵdefinePipe({ name: "test-pipe", type: TestPipe, ' +
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'factory: function TestPipe_Factory() { return new TestPipe(); }, pure: true })');
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expect(dtsContents).toContain('static ngPipeDef: i0.ɵPipeDef<TestPipe, \'test-pipe\'>;');
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});
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it('should compile Pipes with dependencies', () => {
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writeConfig();
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write('test.ts', `
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import {Pipe} from '@angular/core';
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export class Dep {}
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@Pipe({
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name: 'test-pipe',
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pure: false,
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})
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export class TestPipe {
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constructor(dep: Dep) {}
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}
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`);
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const exitCode = main(['-p', basePath], errorSpy);
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expect(errorSpy).not.toHaveBeenCalled();
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expect(exitCode).toBe(0);
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const jsContents = getContents('test.js');
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expect(jsContents).toContain('return new TestPipe(i0.ɵdirectiveInject(Dep));');
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});
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it('should include @Pipes in @NgModule scopes', () => {
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writeConfig();
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write('test.ts', `
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import {Component, NgModule, Pipe} from '@angular/core';
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@Pipe({name: 'test'})
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export class TestPipe {}
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@Component({selector: 'test-cmp', template: '{{value | test}}'})
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export class TestCmp {}
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@NgModule({declarations: [TestPipe, TestCmp]})
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export class TestModule {}
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`);
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const exitCode = main(['-p', basePath], errorSpy);
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expect(errorSpy).not.toHaveBeenCalled();
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expect(exitCode).toBe(0);
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const jsContents = getContents('test.js');
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expect(jsContents).toContain('pipes: [TestPipe]');
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const dtsContents = getContents('test.d.ts');
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expect(dtsContents)
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.toContain('i0.ɵNgModuleDef<TestModule, [typeof TestPipe,typeof TestCmp], never, never>');
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});
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it('should unwrap a ModuleWithProviders function if a generic type is provided for it', () => {
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writeConfig();
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write(`test.ts`, `
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import {NgModule} from '@angular/core';
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import {RouterModule} from 'router';
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@NgModule({imports: [RouterModule.forRoot()]})
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export class TestModule {}
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`);
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write('node_modules/router/index.d.ts', `
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import {ModuleWithProviders} from '@angular/core';
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declare class RouterModule {
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static forRoot(): ModuleWithProviders<RouterModule>;
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}
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`);
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const exitCode = main(['-p', basePath], errorSpy);
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expect(errorSpy).not.toHaveBeenCalled();
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expect(exitCode).toBe(0);
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const jsContents = getContents('test.js');
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expect(jsContents).toContain('imports: [[RouterModule.forRoot()]]');
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const dtsContents = getContents('test.d.ts');
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expect(dtsContents).toContain(`import * as i1 from 'router';`);
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expect(dtsContents)
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.toContain('i0.ɵNgModuleDef<TestModule, never, [typeof i1.RouterModule], never>');
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});
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it('should inject special types according to the metadata', () => {
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writeConfig();
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write(`test.ts`, `
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import {
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Attribute,
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ChangeDetectorRef,
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Component,
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ElementRef,
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Injector,
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TemplateRef,
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ViewContainerRef,
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} from '@angular/core';
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@Component({
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selector: 'test',
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template: 'Test',
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})
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class FooCmp {
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constructor(
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@Attribute("test") attr: string,
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cdr: ChangeDetectorRef,
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er: ElementRef,
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i: Injector,
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tr: TemplateRef,
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vcr: ViewContainerRef,
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) {}
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}
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`);
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const exitCode = main(['-p', basePath], errorSpy);
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expect(errorSpy).not.toHaveBeenCalled();
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expect(exitCode).toBe(0);
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const jsContents = getContents('test.js');
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expect(jsContents)
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.toContain(
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`factory: function FooCmp_Factory() { return new FooCmp(i0.ɵinjectAttribute("test"), i0.ɵinjectChangeDetectorRef(), i0.ɵinjectElementRef(), i0.ɵdirectiveInject(i0.INJECTOR), i0.ɵinjectTemplateRef(), i0.ɵinjectViewContainerRef()); }`);
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});
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it('should generate queries for components', () => {
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writeConfig();
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write(`test.ts`, `
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import {Component, ContentChild, ContentChildren, TemplateRef, ViewChild} from '@angular/core';
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@Component({
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selector: 'test',
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template: '<div #foo></div>',
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queries: {
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'mview': new ViewChild('test1'),
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'mcontent': new ContentChild('test2'),
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}
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})
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class FooCmp {
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@ContentChild('bar', {read: TemplateRef}) child: any;
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@ContentChildren(TemplateRef) children: any;
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get aview(): any { return null; }
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@ViewChild('accessor') set aview(value: any) {}
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}
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`);
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const exitCode = main(['-p', basePath], errorSpy);
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expect(errorSpy).not.toHaveBeenCalled();
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expect(exitCode).toBe(0);
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const jsContents = getContents('test.js');
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expect(jsContents).toContain(`i0.ɵQ(null, ["bar"], true, TemplateRef)`);
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expect(jsContents).toContain(`i0.ɵQ(null, TemplateRef, false)`);
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expect(jsContents).toContain(`i0.ɵQ(null, ["test2"], true)`);
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|
expect(jsContents).toContain(`i0.ɵQ(0, ["accessor"], true)`);
|
|
expect(jsContents).toContain(`i0.ɵQ(1, ["test1"], true)`);
|
|
});
|
|
|
|
it('should handle queries that use forwardRef', () => {
|
|
writeConfig();
|
|
write(`test.ts`, `
|
|
import {Component, ContentChild, TemplateRef, ViewContainerRef, forwardRef} from '@angular/core';
|
|
|
|
@Component({
|
|
selector: 'test',
|
|
template: '<div #foo></div>',
|
|
})
|
|
class FooCmp {
|
|
@ContentChild(forwardRef(() => TemplateRef)) child: any;
|
|
|
|
@ContentChild(forwardRef(function() { return ViewContainerRef; })) child2: any;
|
|
}
|
|
`);
|
|
|
|
const exitCode = main(['-p', basePath], errorSpy);
|
|
expect(errorSpy).not.toHaveBeenCalled();
|
|
expect(exitCode).toBe(0);
|
|
const jsContents = getContents('test.js');
|
|
expect(jsContents).toContain(`i0.ɵQ(null, TemplateRef, true)`);
|
|
expect(jsContents).toContain(`i0.ɵQ(null, ViewContainerRef, true)`);
|
|
});
|
|
|
|
it('should generate host bindings for directives', () => {
|
|
writeConfig();
|
|
write(`test.ts`, `
|
|
import {Component, HostBinding, HostListener, TemplateRef} from '@angular/core';
|
|
|
|
@Component({
|
|
selector: 'test',
|
|
template: 'Test',
|
|
host: {
|
|
'[attr.hello]': 'foo',
|
|
'(click)': 'onClick($event)',
|
|
'[prop]': 'bar',
|
|
},
|
|
})
|
|
class FooCmp {
|
|
onClick(event: any): void {}
|
|
|
|
@HostBinding('class.someclass')
|
|
get someClass(): boolean { return false; }
|
|
|
|
@HostListener('onChange', ['arg'])
|
|
onChange(event: any, arg: any): void {}
|
|
}
|
|
`);
|
|
|
|
const exitCode = main(['-p', basePath], errorSpy);
|
|
expect(errorSpy).not.toHaveBeenCalled();
|
|
expect(exitCode).toBe(0);
|
|
const jsContents = getContents('test.js');
|
|
expect(jsContents).toContain(`i0.ɵp(elIndex, "attr.hello", i0.ɵb(i0.ɵd(dirIndex).foo));`);
|
|
expect(jsContents).toContain(`i0.ɵp(elIndex, "prop", i0.ɵb(i0.ɵd(dirIndex).bar));`);
|
|
expect(jsContents)
|
|
.toContain('i0.ɵp(elIndex, "class.someclass", i0.ɵb(i0.ɵd(dirIndex).someClass))');
|
|
expect(jsContents).toContain('i0.ɵd(dirIndex).onClick($event)');
|
|
expect(jsContents).toContain('i0.ɵd(dirIndex).onChange(i0.ɵd(dirIndex).arg)');
|
|
});
|
|
|
|
it('should correctly recognize local symbols', () => {
|
|
writeConfig();
|
|
write('module.ts', `
|
|
import {NgModule} from '@angular/core';
|
|
import {Dir, Comp} from './test';
|
|
|
|
@NgModule({
|
|
declarations: [Dir, Comp],
|
|
exports: [Dir, Comp],
|
|
})
|
|
class Module {}
|
|
`);
|
|
write(`test.ts`, `
|
|
import {Component, Directive} from '@angular/core';
|
|
|
|
@Directive({
|
|
selector: '[dir]',
|
|
})
|
|
export class Dir {}
|
|
|
|
@Component({
|
|
selector: 'test',
|
|
template: '<div dir>Test</div>',
|
|
})
|
|
export class Comp {}
|
|
`);
|
|
|
|
const exitCode = main(['-p', basePath], errorSpy);
|
|
expect(errorSpy).not.toHaveBeenCalled();
|
|
expect(exitCode).toBe(0);
|
|
const jsContents = getContents('test.js');
|
|
expect(jsContents).not.toMatch(/import \* as i[0-9] from ['"].\/test['"]/);
|
|
});
|
|
|
|
it('should generate correct factory stubs for a test module', () => {
|
|
writeConfig({'allowEmptyCodegenFiles': true});
|
|
|
|
write('test.ts', `
|
|
import {Injectable, NgModule} from '@angular/core';
|
|
|
|
@Injectable()
|
|
export class NotAModule {}
|
|
|
|
@NgModule({})
|
|
export class TestModule {}
|
|
`);
|
|
|
|
write('empty.ts', `
|
|
import {Injectable} from '@angular/core';
|
|
|
|
@Injectable()
|
|
export class NotAModule {}
|
|
`);
|
|
|
|
const exitCode = main(['-p', basePath], errorSpy);
|
|
expect(errorSpy).not.toHaveBeenCalled();
|
|
expect(exitCode).toBe(0);
|
|
|
|
const factoryContents = getContents('test.ngfactory.js');
|
|
expect(factoryContents).toContain(`import * as i0 from '@angular/core';`);
|
|
expect(factoryContents).toContain(`import { NotAModule, TestModule } from './test';`);
|
|
expect(factoryContents)
|
|
.toContain(`export var TestModuleNgFactory = new i0.ɵNgModuleFactory(TestModule);`);
|
|
expect(factoryContents).not.toContain(`NotAModuleNgFactory`);
|
|
expect(factoryContents).not.toContain('ɵNonEmptyModule');
|
|
|
|
const emptyFactory = getContents('empty.ngfactory.js');
|
|
expect(emptyFactory).toContain(`import * as i0 from '@angular/core';`);
|
|
expect(emptyFactory).toContain(`export var ɵNonEmptyModule = true;`);
|
|
});
|
|
});
|