mkdirp.js

function mkdirP (p, fn, made) {
    if (!made) made = null;
    var cb = fn || function () {};
    p = path.resolve(p);

  fs.mkdir(p, function (err) {
    if (!err) return cb(null, made || p);
    if (err.code !=  'ENOENT') return err;
    mkdirP(path.dirname(p), mode, function (err, made) {
      if (err) cb(err, made);
      return mkdirP(p, cb, made);
    });
  });
}

/**
 * usage
 */

mkdirP('/Users/euforic/test_cases/mkdirP', function(){
  console.log(fs.existsSync('/Users/euforic/test_cases/mkdirP'));
});

@candrade ^^