Async generator walk in nodejs

async-generator-directory-walk.ts

const extractSubNodeModules = async function*(
  dir: string,
): AsyncGenerator<string, void, void> {
  const files = await readdir(dir);

  for (let i = 0; i < files.length; i++) {
    const filepath = join(dir, files[i]);
    const stats = await stat(filepath);
    if (stats.isDirectory()) {
      if (files[i] === 'node_modules') {
        yield filepath;
      } else {
        yield* await extractSubNodeModules(filepath);
      }
    }
  }
};