JavaScript Zepto or jQuery plugin to serialize form data to hash

serialize-compact.js

// using built in jQuery and Zepto serializeArray()

/***
 $('#form').serializeHash()
 should return :
 {
   'user[name]': 'Dux'
 }
***/

$.fn.serializeHash = function() {
  var o = {};
  var a = this.serializeArray();
  $.each(a, function() {
    if (o[this.name] !== undefined) {
      if (!o[this.name].push) {
        o[this.name] = [o[this.name]];
      }
      o[this.name].push(this.value || '');
    } else {
      o[this.name] = this.value || '';
    }
  });
  console.log(o);
  return o;
};

serialize.js

/***
 $('#form').serializeHash()
 should return :
 {
   user: {
     'name': 'Dux'
   }
 }
***/

$.fn.serializeHash = function() {
  var hash = {};
  function stringKey(key, value) {
    var beginBracket = key.lastIndexOf('[');
    if (beginBracket == -1) {
      var hash = {};
      hash[key] = value;
      return hash;
    }
    var newKey = key.substr(0, beginBracket);
    var newValue = {};
    newValue[key.substring(beginBracket + 1, key.length - 1)] = value;
    return stringKey(newKey, newValue);
  }

  $(this).find('input, textarea, select').each(function() {
      if (this.name && !this.disabled && (this.checked || /select|textarea/i.test(this.nodeName) || /hidden|text|search|tel|url|email|password|datetime|date|month|week|time|datetime-local|number|range|color/i.test(this.type))) {
          var val = $(this).val();
          $.extend(true, hash, stringKey(this.name, val));
      }
  });
  return hash;
};