Ember Object Dynamic Attributes

gistfile1.js

import Ember from 'ember';

export default Ember.Object.extend({
  attrs: {},
  attributes: function(){
    var attrs = this.get('attrs');
    var _this = this;

    for (var attribute in attrs) {
      (function(){
        var attr = attribute;
        Ember.defineProperty(_this, attribute, Ember.computed(function(key, value){
          if(value) {
            _this.set('attrs.' + attr, value);
            return value;
          } else {
            return _this.get('attrs.' + attr);
          }
        }));
      }());
    }

    return attrs;
  }.property('attrs')
});