backbone_adapter.js

function BackboneAdapter(model){
  if (!(this instanceof BackboneAdapter)) return new BackboneAdapter(model);
  this.model = model;
}

BackboneAdapter.prototype = {
  subscribe: function(prop, fn){
    this.model.on('change:' + prop, fn);
  },
  unsubscribe: function(prop, fn){
    this.model.off('change:' + prop, fn);
  },
  unsubscribeAll: function(){
    this.model.off();
  },
  set: function(prop, value){
    this.model.set(prop, value);
  },
  get: function(prop, value){
    return this.model.get(prop);
  }
}