e030375d9a
This commit adapts the private NgModule re-export system (using aliasing) to ngcc. Not all ngcc compilations are compatible with these re-exports, as they assume a 1:1 correspondence between .js and .d.ts files. The primary concern here is supporting them for commonjs-only packages. PR Close #33177
423 lines
21 KiB
TypeScript
423 lines
21 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 MagicString from 'magic-string';
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import * as ts from 'typescript';
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import {fromObject, generateMapFileComment, SourceMapConverter} from 'convert-source-map';
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import {absoluteFrom, getFileSystem} from '../../../src/ngtsc/file_system';
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import {TestFile, runInEachFileSystem} from '../../../src/ngtsc/file_system/testing';
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import {Reexport} from '../../../src/ngtsc/imports';
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import {loadTestFiles} from '../../../test/helpers';
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import {Import, ImportManager} from '../../../src/ngtsc/translator';
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import {DecorationAnalyzer} from '../../src/analysis/decoration_analyzer';
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import {CompiledClass} from '../../src/analysis/types';
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import {NgccReferencesRegistry} from '../../src/analysis/ngcc_references_registry';
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import {ModuleWithProvidersInfo} from '../../src/analysis/module_with_providers_analyzer';
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import {PrivateDeclarationsAnalyzer, ExportInfo} from '../../src/analysis/private_declarations_analyzer';
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import {SwitchMarkerAnalyzer} from '../../src/analysis/switch_marker_analyzer';
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import {Esm2015ReflectionHost} from '../../src/host/esm2015_host';
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import {Renderer} from '../../src/rendering/renderer';
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import {MockLogger} from '../helpers/mock_logger';
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import {RenderingFormatter, RedundantDecoratorMap} from '../../src/rendering/rendering_formatter';
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import {makeTestEntryPointBundle, getRootFiles} from '../helpers/utils';
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class TestRenderingFormatter implements RenderingFormatter {
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addImports(output: MagicString, imports: Import[], sf: ts.SourceFile) {
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output.prepend('\n// ADD IMPORTS\n');
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}
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addExports(output: MagicString, baseEntryPointPath: string, exports: ExportInfo[]) {
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output.prepend('\n// ADD EXPORTS\n');
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}
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addDirectExports(output: MagicString, exports: Reexport[]): void {
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output.prepend('\n// ADD DIRECT EXPORTS\n');
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}
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addConstants(output: MagicString, constants: string, file: ts.SourceFile): void {
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output.prepend('\n// ADD CONSTANTS\n');
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}
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addDefinitions(output: MagicString, compiledClass: CompiledClass, definitions: string) {
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output.prepend('\n// ADD DEFINITIONS\n');
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}
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removeDecorators(output: MagicString, decoratorsToRemove: RedundantDecoratorMap) {
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output.prepend('\n// REMOVE DECORATORS\n');
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}
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rewriteSwitchableDeclarations(output: MagicString, sourceFile: ts.SourceFile): void {
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output.prepend('\n// REWRITTEN DECLARATIONS\n');
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}
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addModuleWithProvidersParams(
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output: MagicString, moduleWithProviders: ModuleWithProvidersInfo[],
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importManager: ImportManager): void {
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output.prepend('\n// ADD MODUlE WITH PROVIDERS PARAMS\n');
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}
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}
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function createTestRenderer(
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packageName: string, files: TestFile[], dtsFiles?: TestFile[], mappingFiles?: TestFile[]) {
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const logger = new MockLogger();
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loadTestFiles(files);
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if (dtsFiles) {
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loadTestFiles(dtsFiles);
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}
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if (mappingFiles) {
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loadTestFiles(mappingFiles);
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}
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const fs = getFileSystem();
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const isCore = packageName === '@angular/core';
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const bundle = makeTestEntryPointBundle(
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'test-package', 'esm2015', isCore, getRootFiles(files), dtsFiles && getRootFiles(dtsFiles));
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const typeChecker = bundle.src.program.getTypeChecker();
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const host = new Esm2015ReflectionHost(logger, isCore, typeChecker, bundle.dts);
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const referencesRegistry = new NgccReferencesRegistry(host);
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const decorationAnalyses =
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new DecorationAnalyzer(fs, bundle, host, referencesRegistry).analyzeProgram();
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const switchMarkerAnalyses =
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new SwitchMarkerAnalyzer(host, bundle.entryPoint.package).analyzeProgram(bundle.src.program);
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const privateDeclarationsAnalyses =
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new PrivateDeclarationsAnalyzer(host, referencesRegistry).analyzeProgram(bundle.src.program);
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const testFormatter = new TestRenderingFormatter();
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spyOn(testFormatter, 'addExports').and.callThrough();
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spyOn(testFormatter, 'addImports').and.callThrough();
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spyOn(testFormatter, 'addDefinitions').and.callThrough();
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spyOn(testFormatter, 'addConstants').and.callThrough();
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spyOn(testFormatter, 'removeDecorators').and.callThrough();
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spyOn(testFormatter, 'rewriteSwitchableDeclarations').and.callThrough();
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spyOn(testFormatter, 'addModuleWithProvidersParams').and.callThrough();
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const renderer = new Renderer(testFormatter, fs, logger, bundle);
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return {renderer,
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testFormatter,
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decorationAnalyses,
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switchMarkerAnalyses,
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privateDeclarationsAnalyses,
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bundle};
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}
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runInEachFileSystem(() => {
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describe('Renderer', () => {
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let _: typeof absoluteFrom;
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let INPUT_PROGRAM: TestFile;
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let COMPONENT_PROGRAM: TestFile;
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let NGMODULE_PROGRAM: TestFile;
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let INPUT_PROGRAM_MAP: SourceMapConverter;
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let RENDERED_CONTENTS: string;
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let OUTPUT_PROGRAM_MAP: SourceMapConverter;
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let MERGED_OUTPUT_PROGRAM_MAP: SourceMapConverter;
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beforeEach(() => {
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_ = absoluteFrom;
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INPUT_PROGRAM = {
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name: _('/node_modules/test-package/src/file.js'),
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contents:
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`import { Directive } from '@angular/core';\nexport class A {\n foo(x) {\n return x;\n }\n}\nA.decorators = [\n { type: Directive, args: [{ selector: '[a]' }] }\n];\n`
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};
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COMPONENT_PROGRAM = {
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name: _('/node_modules/test-package/src/component.js'),
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contents:
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`import { Component } from '@angular/core';\nexport class A {}\nA.decorators = [\n { type: Component, args: [{ selector: 'a', template: '{{ person!.name }}' }] }\n];\n`
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};
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NGMODULE_PROGRAM = {
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name: _('/node_modules/test-package/src/ngmodule.js'),
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contents:
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`import { NgModule } from '@angular/core';\nexport class A {}\nA.decorators = [\n { type: NgModule, args: [{}] }\n];\n`
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};
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INPUT_PROGRAM_MAP = fromObject({
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'version': 3,
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'file': _('/node_modules/test-package/src/file.js'),
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'sourceRoot': '',
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'sources': [_('/node_modules/test-package/src/file.ts')],
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'names': [],
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'mappings':
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'AAAA,OAAO,EAAE,SAAS,EAAE,MAAM,eAAe,CAAC;AAC1C,MAAM;IACF,GAAG,CAAC,CAAS;QACT,OAAO,CAAC,CAAC;IACb,CAAC;;AACM,YAAU,GAAG;IAChB,EAAE,IAAI,EAAE,SAAS,EAAE,IAAI,EAAE,CAAC,EAAE,QAAQ,EAAE,KAAK,EAAE,CAAC,EAAE;CACnD,CAAC',
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'sourcesContent': [INPUT_PROGRAM.contents]
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});
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RENDERED_CONTENTS = `
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// ADD IMPORTS
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// ADD EXPORTS
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// ADD CONSTANTS
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// ADD DEFINITIONS
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// REMOVE DECORATORS
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` + INPUT_PROGRAM.contents;
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OUTPUT_PROGRAM_MAP = fromObject({
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'version': 3,
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'file': 'file.js',
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'sources': [_('/node_modules/test-package/src/file.js')],
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'sourcesContent': [INPUT_PROGRAM.contents],
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'names': [],
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'mappings': ';;;;;;;;;;AAAA;;;;;;;;;'
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});
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MERGED_OUTPUT_PROGRAM_MAP = fromObject({
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'version': 3,
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'sources': [_('/node_modules/test-package/src/file.ts')],
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'names': [],
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'mappings': ';;;;;;;;;;AAAA',
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'file': 'file.js',
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'sourcesContent': [INPUT_PROGRAM.contents]
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});
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});
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describe('renderProgram()', () => {
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it('should render the modified contents; and a new map file, if the original provided no map file.',
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() => {
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const {renderer, decorationAnalyses, switchMarkerAnalyses, privateDeclarationsAnalyses} =
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createTestRenderer('test-package', [INPUT_PROGRAM]);
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const result = renderer.renderProgram(
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decorationAnalyses, switchMarkerAnalyses, privateDeclarationsAnalyses);
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expect(result[0].path).toEqual(_('/node_modules/test-package/src/file.js'));
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expect(result[0].contents)
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.toEqual(RENDERED_CONTENTS + '\n' + generateMapFileComment('file.js.map'));
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expect(result[1].path).toEqual(_('/node_modules/test-package/src/file.js.map'));
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expect(result[1].contents).toEqual(OUTPUT_PROGRAM_MAP.toJSON());
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});
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it('should render as JavaScript', () => {
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const {renderer, decorationAnalyses, switchMarkerAnalyses, privateDeclarationsAnalyses,
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testFormatter} = createTestRenderer('test-package', [COMPONENT_PROGRAM]);
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renderer.renderProgram(
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decorationAnalyses, switchMarkerAnalyses, privateDeclarationsAnalyses);
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const addDefinitionsSpy = testFormatter.addDefinitions as jasmine.Spy;
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expect(addDefinitionsSpy.calls.first().args[2])
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.toEqual(`A.ɵfac = function A_Factory(t) { return new (t || A)(); };
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A.ɵcmp = ɵngcc0.ɵɵdefineComponent({ type: A, selectors: [["a"]], decls: 1, vars: 1, template: function A_Template(rf, ctx) { if (rf & 1) {
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ɵngcc0.ɵɵtext(0);
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} if (rf & 2) {
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ɵngcc0.ɵɵtextInterpolate(ctx.person.name);
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} }, encapsulation: 2 });
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/*@__PURE__*/ ɵngcc0.ɵsetClassMetadata(A, [{
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type: Component,
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args: [{ selector: 'a', template: '{{ person!.name }}' }]
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}], null, null);`);
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});
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describe('calling RenderingFormatter methods', () => {
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it('should call addImports with the source code and info about the core Angular library.',
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() => {
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const {renderer, decorationAnalyses, switchMarkerAnalyses, privateDeclarationsAnalyses,
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testFormatter} = createTestRenderer('test-package', [INPUT_PROGRAM]);
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const result = renderer.renderProgram(
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decorationAnalyses, switchMarkerAnalyses, privateDeclarationsAnalyses);
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const addImportsSpy = testFormatter.addImports as jasmine.Spy;
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expect(addImportsSpy.calls.first().args[0].toString()).toEqual(RENDERED_CONTENTS);
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expect(addImportsSpy.calls.first().args[1]).toEqual([
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{specifier: '@angular/core', qualifier: 'ɵngcc0'}
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]);
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});
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it('should call addDefinitions with the source code, the analyzed class and the rendered definitions.',
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() => {
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const {renderer, decorationAnalyses, switchMarkerAnalyses, privateDeclarationsAnalyses,
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testFormatter} = createTestRenderer('test-package', [INPUT_PROGRAM]);
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const result = renderer.renderProgram(
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decorationAnalyses, switchMarkerAnalyses, privateDeclarationsAnalyses);
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const addDefinitionsSpy = testFormatter.addDefinitions as jasmine.Spy;
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expect(addDefinitionsSpy.calls.first().args[0].toString()).toEqual(RENDERED_CONTENTS);
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expect(addDefinitionsSpy.calls.first().args[1]).toEqual(jasmine.objectContaining({
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name: 'A',
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decorators: [jasmine.objectContaining({name: 'Directive'})]
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}));
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expect(addDefinitionsSpy.calls.first().args[2])
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.toEqual(`A.ɵfac = function A_Factory(t) { return new (t || A)(); };
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A.ɵdir = ɵngcc0.ɵɵdefineDirective({ type: A, selectors: [["", "a", ""]] });
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/*@__PURE__*/ ɵngcc0.ɵsetClassMetadata(A, [{
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type: Directive,
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args: [{ selector: '[a]' }]
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}], null, { foo: [] });`);
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});
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it('should call removeDecorators with the source code, a map of class decorators that have been analyzed',
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() => {
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const {renderer, decorationAnalyses, switchMarkerAnalyses, privateDeclarationsAnalyses,
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testFormatter} = createTestRenderer('test-package', [INPUT_PROGRAM]);
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const result = renderer.renderProgram(
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decorationAnalyses, switchMarkerAnalyses, privateDeclarationsAnalyses);
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const removeDecoratorsSpy = testFormatter.removeDecorators as jasmine.Spy;
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expect(removeDecoratorsSpy.calls.first().args[0].toString())
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.toEqual(RENDERED_CONTENTS);
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// Each map key is the TS node of the decorator container
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// Each map value is an array of TS nodes that are the decorators to remove
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const map = removeDecoratorsSpy.calls.first().args[1] as Map<ts.Node, ts.Node[]>;
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const keys = Array.from(map.keys());
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expect(keys.length).toEqual(1);
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expect(keys[0].getText())
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.toEqual(`[\n { type: Directive, args: [{ selector: '[a]' }] }\n]`);
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const values = Array.from(map.values());
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expect(values.length).toEqual(1);
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expect(values[0].length).toEqual(1);
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expect(values[0][0].getText())
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.toEqual(`{ type: Directive, args: [{ selector: '[a]' }] }`);
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});
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it('should render static fields before any additional statements', () => {
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const {renderer, decorationAnalyses, switchMarkerAnalyses, privateDeclarationsAnalyses,
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testFormatter} = createTestRenderer('test-package', [NGMODULE_PROGRAM]);
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renderer.renderProgram(
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decorationAnalyses, switchMarkerAnalyses, privateDeclarationsAnalyses);
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const addDefinitionsSpy = testFormatter.addDefinitions as jasmine.Spy;
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const definitions: string = addDefinitionsSpy.calls.first().args[2];
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const ngModuleDef = definitions.indexOf('ɵmod');
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expect(ngModuleDef).not.toEqual(-1, 'ɵmod should exist');
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const ngInjectorDef = definitions.indexOf('ɵinj');
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expect(ngInjectorDef).not.toEqual(-1, 'ɵinj should exist');
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const setClassMetadata = definitions.indexOf('setClassMetadata');
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expect(setClassMetadata).not.toEqual(-1, 'setClassMetadata call should exist');
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expect(setClassMetadata)
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.toBeGreaterThan(ngModuleDef, 'setClassMetadata should follow ɵmod');
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expect(setClassMetadata)
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.toBeGreaterThan(ngInjectorDef, 'setClassMetadata should follow ɵinj');
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});
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it('should render classes without decorators if handler matches', () => {
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const {renderer, decorationAnalyses, switchMarkerAnalyses, privateDeclarationsAnalyses,
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testFormatter} =
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createTestRenderer('test-package', [{
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name: _('/node_modules/test-package/src/file.js'),
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contents: `
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import { Directive, ViewChild } from '@angular/core';
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export class UndecoratedBase { test = null; }
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UndecoratedBase.propDecorators = {
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test: [{
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type: ViewChild,
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args: ["test", {static: true}]
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}],
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};
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`
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}]);
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renderer.renderProgram(
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decorationAnalyses, switchMarkerAnalyses, privateDeclarationsAnalyses);
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const addDefinitionsSpy = testFormatter.addDefinitions as jasmine.Spy;
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expect(addDefinitionsSpy.calls.first().args[2])
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.toEqual(
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`UndecoratedBase.ngBaseDef = ɵngcc0.ɵɵdefineBase({ viewQuery: function (rf, ctx) { if (rf & 1) {
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ɵngcc0.ɵɵstaticViewQuery(_c0, true);
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} if (rf & 2) {
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var _t;
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ɵngcc0.ɵɵqueryRefresh(_t = ɵngcc0.ɵɵloadQuery()) && (ctx.test = _t.first);
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} } });`);
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});
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it('should call renderImports after other abstract methods', () => {
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// This allows the other methods to add additional imports if necessary
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const {renderer, decorationAnalyses, switchMarkerAnalyses, privateDeclarationsAnalyses,
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testFormatter} = createTestRenderer('test-package', [INPUT_PROGRAM]);
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const addExportsSpy = testFormatter.addExports as jasmine.Spy;
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const addDefinitionsSpy = testFormatter.addDefinitions as jasmine.Spy;
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const addConstantsSpy = testFormatter.addConstants as jasmine.Spy;
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const addImportsSpy = testFormatter.addImports as jasmine.Spy;
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renderer.renderProgram(
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decorationAnalyses, switchMarkerAnalyses, privateDeclarationsAnalyses);
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expect(addExportsSpy).toHaveBeenCalledBefore(addImportsSpy);
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expect(addDefinitionsSpy).toHaveBeenCalledBefore(addImportsSpy);
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expect(addConstantsSpy).toHaveBeenCalledBefore(addImportsSpy);
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});
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});
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describe('source map merging', () => {
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it('should merge any inline source map from the original file and write the output as an inline source map',
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() => {
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const {decorationAnalyses, renderer, switchMarkerAnalyses,
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privateDeclarationsAnalyses} =
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createTestRenderer(
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'test-package', [{
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...INPUT_PROGRAM,
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contents: INPUT_PROGRAM.contents + '\n' + INPUT_PROGRAM_MAP.toComment()
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}]);
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const result = renderer.renderProgram(
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decorationAnalyses, switchMarkerAnalyses, privateDeclarationsAnalyses);
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expect(result[0].path).toEqual(_('/node_modules/test-package/src/file.js'));
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expect(result[0].contents)
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.toEqual(RENDERED_CONTENTS + '\n' + MERGED_OUTPUT_PROGRAM_MAP.toComment());
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expect(result[1]).toBeUndefined();
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});
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it('should merge any external source map from the original file and write the output to an external source map',
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() => {
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const sourceFiles: TestFile[] = [{
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...INPUT_PROGRAM,
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contents: INPUT_PROGRAM.contents + '\n//# sourceMappingURL=file.js.map'
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}];
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const mappingFiles: TestFile[] =
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[{name: _(INPUT_PROGRAM.name + '.map'), contents: INPUT_PROGRAM_MAP.toJSON()}];
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const {decorationAnalyses, renderer, switchMarkerAnalyses,
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privateDeclarationsAnalyses} =
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createTestRenderer('test-package', sourceFiles, undefined, mappingFiles);
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const result = renderer.renderProgram(
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decorationAnalyses, switchMarkerAnalyses, privateDeclarationsAnalyses);
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expect(result[0].path).toEqual(_('/node_modules/test-package/src/file.js'));
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expect(result[0].contents)
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.toEqual(RENDERED_CONTENTS + '\n' + generateMapFileComment('file.js.map'));
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expect(result[1].path).toEqual(_('/node_modules/test-package/src/file.js.map'));
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expect(JSON.parse(result[1].contents)).toEqual(MERGED_OUTPUT_PROGRAM_MAP.toObject());
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});
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});
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describe('@angular/core support', () => {
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it('should render relative imports in ESM bundles', () => {
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const CORE_FILE: TestFile = {
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name: _('/node_modules/test-package/src/core.js'),
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contents:
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`import { NgModule } from './ng_module';\nexport class MyModule {}\nMyModule.decorators = [\n { type: NgModule, args: [] }\n];\n`
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};
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const R3_SYMBOLS_FILE: TestFile = {
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// r3_symbols in the file name indicates that this is the path to rewrite core imports
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// to
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name: _('/node_modules/test-package/src/r3_symbols.js'),
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contents: `export const NgModule = () => null;`
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};
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// The package name of `@angular/core` indicates that we are compiling the core library.
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const {decorationAnalyses, renderer, switchMarkerAnalyses, privateDeclarationsAnalyses,
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testFormatter} = createTestRenderer('@angular/core', [CORE_FILE, R3_SYMBOLS_FILE]);
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renderer.renderProgram(
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decorationAnalyses, switchMarkerAnalyses, privateDeclarationsAnalyses);
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const addDefinitionsSpy = testFormatter.addDefinitions as jasmine.Spy;
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expect(addDefinitionsSpy.calls.first().args[2])
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.toContain(`/*@__PURE__*/ ɵngcc0.setClassMetadata(`);
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const addImportsSpy = testFormatter.addImports as jasmine.Spy;
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expect(addImportsSpy.calls.first().args[1]).toEqual([
|
|
{specifier: './r3_symbols', qualifier: 'ɵngcc0'}
|
|
]);
|
|
});
|
|
|
|
it('should render no imports in FESM bundles', () => {
|
|
const CORE_FILE: TestFile = {
|
|
name: _('/node_modules/test-package/src/core.js'),
|
|
contents: `export const NgModule = () => null;
|
|
export class MyModule {}\nMyModule.decorators = [\n { type: NgModule, args: [] }\n];\n`
|
|
};
|
|
|
|
const {decorationAnalyses, renderer, switchMarkerAnalyses, privateDeclarationsAnalyses,
|
|
testFormatter} = createTestRenderer('@angular/core', [CORE_FILE]);
|
|
renderer.renderProgram(
|
|
decorationAnalyses, switchMarkerAnalyses, privateDeclarationsAnalyses);
|
|
const addDefinitionsSpy = testFormatter.addDefinitions as jasmine.Spy;
|
|
expect(addDefinitionsSpy.calls.first().args[2])
|
|
.toContain(`/*@__PURE__*/ setClassMetadata(`);
|
|
const addImportsSpy = testFormatter.addImports as jasmine.Spy;
|
|
expect(addImportsSpy.calls.first().args[1]).toEqual([]);
|
|
});
|
|
});
|
|
});
|
|
});
|
|
});
|