jQuery plugin with public api, pub sub dependency for plugin events

jquery-plugin.js

/*
|--------------------------------------------------------------------------
| jQuery plugin
|--------------------------------------------------------------------------
| By Ben Cooling (https://github.com/bencooling, http://bcooling.com.au)
|
| Plugin with: 
|   - Public api for programitically calling plugin methods
|   - Options for overiding default configuration values
|   - AMD compatability
|   - jquery pubsub dependency for subscribing to plugin events
|
*/
define(['jquery'], ['jquery.pubsub'], function($){

  $.fn.clicky = function(options){
    
    // default values
    var o = {
      
      clicked : 'closed',

      open : function(){
        $.Topic('clicky.open').publish();
        this.clicked = 'open';
      },

      close : function(){
        $.Topic('clicky.closed').publish();
        this.clicked = 'closed';
      },

      create : function(){

        $(this.el).on('click', function(){

          var api = $(this).data('api'); //jquery hijacks this with DOM element within event handler

          if (api.clicked==='open')
            api.close();
          else 
            api.open();
        });

      },

      destroy : function(){
        $(this.el).off('click').removeData('api');
      }

    };

    $(this).each(function(i, el){
      var $el = $(el),
          api = $.extend(options, o);
          api = $.extend({el:el}, api);

      $el.data('api', api);
      $el.data('api').create();
    });

  return this;

  };

});