Backbone.js Proxy Event Method

backbone_event_proxy.js

Backbone.View.prototype.proxy = function(source, eventName, options) {
  if (!options) { options = {}; }
  var self = this;
  source.bind(eventName, function(args) {
    var name = options["proxyName"] || eventName;
    var newArgs = options["proxyArgs"] ? _.combine(args, options["proxyArgs"]) : args;
    self.trigger(name, newArgs);
  });
};