feat(@angular-devkit/build-angular): Identify third-party sources in … · angular/angular-cli@b5f6d86 (original) (raw)
`@@ -10,6 +10,10 @@ import { Architect } from '@angular-devkit/architect';
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`import * as path from 'path';
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`import { browserBuild, createArchitect, host } from '../../../testing/test-utils';
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``
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// Following the naming conventions from
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// https://sourcemaps.info/spec.html#h.ghqpj1ytqjbm
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const IGNORE_LIST = 'x_google_ignoreList';
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`describe('Browser Builder external source map', () => {
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`const target = { project: 'app', target: 'build' };
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`let architect: Architect;
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`@@ -50,3 +54,70 @@ describe('Browser Builder external source map', () => {
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`` expect(hasTsSourcePaths).toBe(false, vendor.js.map not should have '.ts' extentions);
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`});
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`});
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``
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describe('Identifying third-party code in source maps', () => {
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interface SourceMap {
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sources: string[];
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}
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``
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const target = { project: 'app', target: 'build' };
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let architect: Architect;
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beforeEach(async () => {
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await host.initialize().toPromise();
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architect = (await createArchitect(host.root())).architect;
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});
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afterEach(async () => host.restore().toPromise());
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it('specifies which sources are third party when vendor processing is disabled', async () => {
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const overrides = {
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sourceMap: {
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scripts: true,
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vendor: false,
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},
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};
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``
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const { files } = await browserBuild(architect, host, target, overrides);
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const mainMap: SourceMap = JSON.parse(await files['main.js.map']);
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const polyfillsMap: SourceMap = JSON.parse(await files['polyfills.js.map']);
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const runtimeMap: SourceMap = JSON.parse(await files['runtime.js.map']);
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const vendorMap: SourceMap = JSON.parse(await files['vendor.js.map']);
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expect(mainMapIGNORE_LIST).not.toBeUndefined();
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expect(polyfillsMapIGNORE_LIST).not.toBeUndefined();
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expect(runtimeMapIGNORE_LIST).not.toBeUndefined();
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expect(vendorMapIGNORE_LIST).not.toBeUndefined();
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expect(mainMapIGNORE_LIST.length).toEqual(0);
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expect(polyfillsMapIGNORE_LIST.length).not.toEqual(0);
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expect(runtimeMapIGNORE_LIST.length).not.toEqual(0);
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expect(vendorMapIGNORE_LIST.length).not.toEqual(0);
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const thirdPartyInMain = mainMap.sources.some((s) => s.includes('node_modules'));
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const thirdPartyInPolyfills = polyfillsMap.sources.some((s) => s.includes('node_modules'));
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const thirdPartyInRuntime = runtimeMap.sources.some((s) => s.includes('webpack'));
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const thirdPartyInVendor = vendorMap.sources.some((s) => s.includes('node_modules'));
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expect(thirdPartyInMain).toBe(false, main.js.map should not include any node modules);
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expect(thirdPartyInPolyfills).toBe(true, polyfills.js.map should include some node modules);
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expect(thirdPartyInRuntime).toBe(true, runtime.js.map should include some webpack code);
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expect(thirdPartyInVendor).toBe(true, vendor.js.map should include some node modules);
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// All sources in the main map are first-party.
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expect(mainMap.sources.filter((_, i) => !mainMapIGNORE_LIST.includes(i))).toEqual([
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'./src/app/app.component.ts',
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'./src/app/app.module.ts',
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'./src/environments/environment.ts',
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'./src/main.ts',
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]);
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// Only some sources in the polyfills map are first-party.
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expect(polyfillsMap.sources.filter((_, i) => !polyfillsMapIGNORE_LIST.includes(i))).toEqual([
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'./src/polyfills.ts',
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]);
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// None of the sources in the runtime and vendor maps are first-party.
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expect(runtimeMap.sources.filter((_, i) => !runtimeMapIGNORE_LIST.includes(i))).toEqual([]);
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expect(vendorMap.sources.filter((_, i) => !vendorMapIGNORE_LIST.includes(i))).toEqual([]);
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});
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});
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