Backbone.js: how to unbind from events, on model remove

Question

in backbone we have an app that uses an event Aggregator, located on the window.App.Events now, in many views, we bind to that aggregator, and i manually wrote

Answer 1

I think the clean references process is a tricky part of Backbone.

When you remove a Model from a Collection the Collection takes care to unbind any event on the Model that the Collection its self is binding. Check this private Collection method.

Maybe you can use such a same technique in your Aggregator:

// ... Aggregator code
the_model.on( "remove", this.unlinkModel, this );
// ... more Aggregator code

unlinkModel: function( model ){
  model.off( null, null, this );
}

This is in the case the direction of the binding is Aggregator -> Model. If the direction is the opposite I don't think you have to make any cleaning after Model removed.