Function runBundle

packages/cli/src/controller/build-controller.ts:97–151

(
  buildEntries: Record<string, string>,
  projectDir: string,
  outputDir: string,
  isDev = false,
  clean = false,
  logger?: Logger
)

}

export async function runBundle(
  buildEntries: Record<string, string>,
  projectDir: string,
  outputDir: string,
  isDev = false,
  clean = false,
  logger?: Logger
): Promise<void> {
  // Injecting polyfills if they exist, this allows setting global variables like TextDecoder/TextEncoder
  const inject = [path.resolve(projectDir, './src/polyfill.ts'), path.resolve(projectDir, './src/polyfills.ts')].filter(
    (file) => existsSync(file)
  );

  if (inject.length) {
    logger?.warn(
      'Support for pollyfill files has been removed. Please move the code to the top of your entry index.ts file'
    );
  }

  const config = merge(
    getBaseConfig(buildEntries, projectDir, outputDir, isDev),
    {output: {clean}}
    // Can allow projects to override webpack config here
  );

  const tsConfig = loadTsConfig(projectDir);
  if (tsConfig?.compilerOptions?.paths && config.resolve && config.resolve.plugins) {
    config.resolve.plugins.push(new TsconfigPathsPlugin());
  }

  await new Promise((resolve, reject) => {
    const wp = webpack(config);

    if (!wp) {
      throw new Error('Webpack failed to initialize');
    }

    wp.run((error, stats) => {
      if (error) {
        reject(error);
        return;
      }
      assert(stats, 'Webpack stats is undefined');

      if (stats.hasErrors()) {
        const info = stats.toJson();

        reject(new Error(info.errors?.map((e) => e.message).join('\n') ?? 'Unknown error'));
        return;
      }

      resolve(true);
    });
  });
}

export function getBuildEntries(directory: string, logger?: Logger): Record<string, string> {
  // FIXME: this is an assumption that the default entry is src/index.ts, in reality it should read from the project manifest