js/src/shared/Collections/ObjectProxyCollection.js
module.exports = Backbone.Collection.extend({
initialize: function(){
this.listenTo(this, 'add', this.attachHandler);
},
attachHandler: function(model){
this.listenTo(model, 'remove', this.removeModel);
},
removeModel: function(model){
this.remove(model,{silent:true});
}
});