Recursive readdir typescript

async-generator-url.ts

import { readdir, stat } from 'node:fs/promises';

async function* recursiveReaddir(dir: URL): AsyncGenerator<URL> {
  for await (const file of await readdir(dir)) {
    const path = new URL(file, `${dir}/`);
    const x = await stat(path);
    if (x.isDirectory()) {
      yield* recursiveReaddir(path);
    } else {
      yield path;
    }
  }
}

sync.ts

import { readdirSync, statSync } from 'fs';
import { join } from 'path';

function recursiveReaddir(dir: string): string[] {
  const files = readdirSync(dir);
  return files.flatMap((file) => {
    const path = join(dir, file);
    if (statSync(path).isDirectory()) {
      return recursiveReaddirSync(path);
    }
    return path;
  });
}