Function getInternalTestingBundle

scripts/esbuild/internal-platform-testing.ts:17–60

(opts: BuildOptions)

 * @returns a promise wrapping an object holding options for ESBuild
 */
export async function getInternalTestingBundle(opts: BuildOptions): Promise<ESBuildOptions> {
  const inputTestingPlatform = join(opts.srcDir, 'testing', 'platform', 'index.ts');
  const outputTestingPlatformDir = join(opts.output.internalDir, 'testing');

  await fs.emptyDir(outputTestingPlatformDir);

  // write @stencil/core/internal/testing/package.json
  writePkgJson(opts, outputTestingPlatformDir, {
    name: '@stencil/core/internal/testing',
    description:
      'Stencil internal testing platform to be imported by the Stencil Compiler. Breaking changes can and will happen at any time.',
    main: 'index.js',
  });

  // Copy JSX runtime files for automatic JSX transform support
  const srcJsxDir = join(opts.srcDir, 'internal', 'testing');
  const jsxFiles = ['jsx-runtime.js', 'jsx-runtime.d.ts', 'jsx-dev-runtime.js', 'jsx-dev-runtime.d.ts'];
  await Promise.all(jsxFiles.map((file) => fs.copyFile(join(srcJsxDir, file), join(outputTestingPlatformDir, file))));

  const internalTestingAliases = {
    ...getEsbuildAliases(),
    '@platform': inputTestingPlatform,
    '@stencil/core/mock-doc': '../../mock-doc/index.cjs',
  };

  const external: string[] = [...externalNodeModules, '../../mock-doc/index.cjs'];

  const internalTestingBuildOptions: ESBuildOptions = {
    ...getBaseEsbuildOptions(),
    entryPoints: [inputTestingPlatform],
    bundle: true,
    format: 'cjs',
    outfile: join(outputTestingPlatformDir, 'index.js'),
    platform: 'node',
    logLevel: 'info',
    external,
    alias: internalTestingAliases,
    plugins: [
      externalAlias('@app-data', '@stencil/core/internal/app-data'),
      externalAlias('@utils/shadow-css', '../client/shadow-css.js'),
    ],
  };
  return internalTestingBuildOptions;
}