Js prototype with jquery plugin integration

index.html

<div id="mydiv" data-pluginname-options="{foo:'bar', buzz:2, icanhas:true}" data-pluginname-optionname="foo">
  
</div>

Prototype.class.js

/**
 *
 */
 
(function ($) {
    PluginName = function () {
        this.init.apply(this, arguments);
    };
 
 
    PluginName.prototype = {
        constructor: PluginName.prototype.constructor,
        options: {
 
        },
 
        init: function (element, options) {
            //main element
            this.$element = element;
            
            //set options
            this.options = this.setOptions(options);
            this.setElements();
            this.setEvents();
        },
 
        setElements: function () {
          console.log('setElements');
        },
 
        setEvents: function () {
          console.log('setEvents');
        },
        
        setOptions:function(options) {
           var options = $.extend(true, {}, this.options, options);
           //check options on the node
           var pluginnameRe = new RegExp('^pluginName');
           var data = this.$element.data();
           for (var i in data) {
              if(i.indexOf('pluginName')==0 && data.hasOwnProperty(i)) {
                
              }
           }
        }
    };
 
 
    //jquery plugin implementation
    $.fn.pluginName = function(options) {
        return this.each(function() {
          if(!$(this).data('PluginName'))
            $(this).data('PluginName', new PluginName(this, options));
        });
    };
})(jQuery);

Prototype.exemple.js

//Init as jquery plugin
$('div').pluginName({
  'foo':'bar'
});

//Init by using new 
new PluginName($('div'), {
  'foo':'bar'
})