NodeJS: Remove async directory that is not empty

node-rm-rf-async.js

// http://www.geedew.com/remove-a-directory-that-is-not-empty-in-nodejs/

var fs = require('fs');

var rmdirAsync = function(path, callback) {
  fs.readdir(path, function(err, files) {
    if (err) {
      // Pass the error on to callback
      callback(err, []);
      return;
    }
    var wait = files.length,
      count = 0,
      folderDone = function(err) {
        count++;
        // If we cleaned out all the files, continue
        if (count >= wait || err) {
          fs.rmdir(path, callback);
        }
      };
    // Empty directory to bail early
    if (!wait) {
      folderDone();
      return;
    }

    // Remove one or more trailing slash to keep from doubling up
    path = path.replace(/\/+$/, "");
    files.forEach(function(file) {
      var curPath = path + "/" + file;
      fs.lstat(curPath, function(err, stats) {
        if (err) {
          callback(err, []);
          return;
        }
        if (stats.isDirectory()) {
          rmdirAsync(curPath, folderDone);
        } else {
          fs.unlink(curPath, folderDone);
        }
      });
    });
  });
};