gistfile1.coffee

(->
  slice = Array::slice
  @events =
    events: {}
    on: (topic, handler, context) ->
      context = this  unless context?
      @events[topic] = @events[topic] or []
      @events[topic].push
        handler: handler
        context: context

    trigger: (topic) ->
      return  unless @events[topic]?
      args = slice.apply(arguments_, 1)
      i = 0
      l = @events[topic].length
      event = undefined

      while i < l
        event = @events[topic][i]
        event.handler.apply event.context, args
        i++

).call this