dir-cleaner.js

const fs = require('fs');
const path = require('path');

async function main() {
  const pathsFile = await fs.promises.readFile(path.join(__dirname, 'paths'));
  const paths = pathsFile
    .toString('utf8')
    .split(/\r\n?/)
    .map(line => line.trim())
    .filter(line => line !== '');

  for (const pathItem of paths) {
    for await (const fileOrDir of getChildPathsRecursively(pathItem)) {
      const stat = await fs.promises.stat(fileOrDir);
      const ageInDays = (Date.now() - stat.mtimeMs) / 1000 / 60 / 60 / 24;
      if (ageInDays > 7 && !stat.isDirectory()) {
        await fs.promises.unlink(fileOrDir);
      }
      if (stat.isDirectory() && (await fs.promises.readdir(fileOrDir)).length === 0) {
        await fs.promises.rmdir(fileOrDir);
      }
    }
  }
}

async function* getChildPathsRecursively(currentPath, level = 0) {
  const childDirents = await fs.promises.readdir(currentPath, {
    withFileTypes: true,
    encoding: 'utf8'
  });
  const files = childDirents.filter(p => p.isFile());
  const subDirs = childDirents.filter(p => p.isDirectory());
  for (const subDir of subDirs) {
    yield* getChildPathsRecursively(path.join(currentPath, subDir.name), level + 1);
  }
  for (const file of files) {
    const filePath = path.join(currentPath, file.name);
    yield filePath;
  }
  for (const subDir of subDirs) {
    yield path.join(currentPath, subDir.name);
  }
}

main().catch(err => console.error(err));