remove / clean out directory using node.js fs

rmDir.js

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

function rmDir(dirPath, cb, removeSelf = true) {
  try {
    fs.readdir(dirPath, (err, files) => {
      if (err) return cb(err);
      // run tasks in parallel
      async.each(files, (file, cb) => {
        try {
          const filePath = path.join(dirPath, file);
          fs.stat(filePath, (err, stats) => {
            if (err) return cb(err);
            if (stats.isFile()) {
              fs.unlink(filePath, cb);
            } else {
              rmDir(filePath, cb);
            }
          });
        } catch (err) {
          cb(err);
        };
      }, (err) => {
        if (err) return cb(err);
        if (removeSelf) {
          fs.rmdir(dirPath, cb);
        } else {
          cb();
        }
      });
    });
  } catch(e) {
    cb(e);
  }
};

const cleanDir = (dirPath, cb) => rmDir(dirPath, cb, false);
module.exports = {
  rmDir,
  cleanDir,
};