ugh

evented.js

var Evented;

Evented = {
  on: function(event, callback) {
    var _base;
    (_base = this.callbacks)[event] || (_base[event] = []);
    return this.callbacks[event].push(callback);
  },
  trigger: function(event) {
    var args, callbacks;
    args = Array.prototype.slice.call(arguments, 1);
    if (callbacks = this.callbacks[event]) {
      return callbacks.forEach((function(_this) {
        return function(callback) {
          return callback.apply(_this, args);
        };
      })(this));
    }
  }
};