hunk.code_window: export function logBuildStats(
     context: BuilderContext,
     metafile: Metafile,
     initial: Map<string, InitialFileRecord>,
     budgetFailures: BudgetCalculatorResult[] | undefined,
     estimatedTransferSizes?: Map<string, number>,
   ): void {
     const stats: BundleStats[] = [];
  
hunk.labels: keep keep keep keep add keep keep keep
hunk.after_edit:   changedFiles?: Set<string>,
  
hunk.file_path: packages/angular_devkit/build_angular/src/tools/esbuild/utils.ts
hunk.type: add
file: /**
   * @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 { Architect } from '@angular-devkit/architect';
  import { logging } from '@angular-devkit/core';
  import { browserBuild, createArchitect, host } from '../../../testing/test-utils';
  
  describe('Browser Builder scripts array', () => {
    const scripts: { [path: string]: string } = {
      'src/input-script.js': "console.log('input-script'); var number = 1+1;",
      'src/zinput-script.js': "console.log('zinput-script');",
      'src/finput-script.js': "console.log('finput-script');",
      'src/uinput-script.js': "console.log('uinput-script');",
      'src/binput-script.js': "console.log('binput-script');",
      'src/ainput-script.js': "console.log('ainput-script');",
      'src/cinput-script.js': "console.log('cinput-script');",
      'src/lazy-script.js': "console.log('lazy-script');",
      'src/pre-rename-script.js': "console.log('pre-rename-script');",
      'src/pre-rename-lazy-script.js': "console.log('pre-rename-lazy-script');",
    };
    const getScriptsOption = () => [
      'src/input-script.js',
      'src/zinput-script.js',
      'src/finput-script.js',
      'src/uinput-script.js',
      'src/binput-script.js',
      'src/ainput-script.js',
      'src/cinput-script.js',
      { input: 'src/lazy-script.js', bundleName: 'lazy-script', inject: false },
      { input: 'src/pre-rename-script.js', bundleName: 'renamed-script' },
      { input: 'src/pre-rename-lazy-script.js', bundleName: 'renamed-lazy-script', inject: false },
    ];
  
    const target = { project: 'app', target: 'build' };
    let architect: Architect;
  
    beforeEach(async () => {
      await host.initialize().toPromise();
      architect = (await createArchitect(host.root())).architect;
    });
    afterEach(async () => host.restore().toPromise());
  
    it('works', async () => {
      const matches: Record<string, string> = {
        'scripts.js': 'input-script',
        'lazy-script.js': 'lazy-script',
        'renamed-script.js': 'pre-rename-script',
        'renamed-lazy-script.js': 'pre-rename-lazy-script',
        'main.js': 'input-script',
        'index.html':
          '<script src="runtime.js" type="module"></script>' +
          '<script src="polyfills.js" type="module"></script>' +
          '<script src="scripts.js" defer></script>' +
          '<script src="renamed-script.js" defer></script>' +
          '<script src="vendor.js" type="module"></script>' +
          '<script src="main.js" type="module"></script>',
      };
  
      host.writeMultipleFiles(scripts);
      host.appendToFile('src/main.ts', "\nimport './input-script.js';");
  
      // Remove styles so we don't have to account for them in the index.html order check.
      const { files } = await browserBuild(architect, host, target, {
        styles: [],
        scripts: getScriptsOption(),
      } as {});
  
      for (const [fileName, content] of Object.entries(matches)) {
        expect(await files[fileName]).toMatch(content);
      }
    });
  
    it('uglifies, uses sourcemaps, and adds hashes', async () => {
      host.writeMultipleFiles(scripts);
  
      const { files } = await browserBuild(architect, host, target, {
        optimization: true,
        sourceMap: true,
        outputHashing: 'all',
        scripts: getScriptsOption(),
      } as {});
  
      const fileNames = Object.keys(files);
      const scriptsBundle = fileNames.find((n) => /scripts\.[0-9a-f]{16}\.js/.test(n));
      expect(scriptsBundle).toBeTruthy();
      expect(await files[scriptsBundle || '']).toMatch('var number=2;');
  
      expect(fileNames.some((n) => /scripts\.[0-9a-f]{16}\.js\.map/.test(n))).toBeTruthy();
      expect(fileNames.some((n) => /renamed-script\.[0-9a-f]{16}\.js/.test(n))).toBeTruthy();
      expect(fileNames.some((n) => /renamed-script\.[0-9a-f]{16}\.js\.map/.test(n))).toBeTruthy();
      expect(fileNames.some((n) => /script\.[0-9a-f]{16}\.js/.test(n))).toBeTruthy();
      expect(await files['lazy-script.js']).not.toBeUndefined();
      expect(await files['lazy-script.js.map']).not.toBeUndefined();
      expect(await files['renamed-lazy-script.js']).not.toBeUndefined();
      expect(await files['renamed-lazy-script.js.map']).not.toBeUndefined();
    });
  
    it('preserves script order', async () => {
      host.writeMultipleFiles(scripts);
  
      const { files } = await browserBuild(architect, host, target, {
        scripts: getScriptsOption(),
      } as {});
  
      expect(await files['scripts.js']).toMatch(
        new RegExp(
          /.*['"]input-script['"](.|\n|\r)*/.source +
            /['"]zinput-script['"](.|\n|\r)*/.source +
            /['"]finput-script['"](.|\n|\r)*/.source +
            /['"]uinput-script['"](.|\n|\r)*/.source +
            /['"]binput-script['"](.|\n|\r)*/.source +
            /['"]ainput-script['"](.|\n|\r)*/.source +
            /['"]cinput-script['"]/.source,
        ),
      );
    });
  
    it('chunk in entry', async () => {
      host.writeMultipleFiles(scripts);
  
      const logger = new logging.Logger('build-script-chunk-entry');
      const logs: string[] = [];
      logger.subscribe(({ message }) => {
        logs.push(message);
      });
  
      await browserBuild(
        architect,
        host,
        target,
        {
          scripts: getScriptsOption(),
        } as {},
        { logger },
      );
  
      const joinedLogs = logs.join('\n');
      expect(joinedLogs).toMatch(/lazy-script.+\d+ bytes/);
      expect(joinedLogs).toMatch(/renamed-script.+\d+ bytes/);
      expect(joinedLogs).toMatch(/renamed-lazy-script.+\d+ bytes/);
      expect(joinedLogs).not.toContain('Lazy Chunks');
    });
  });
  