An event-based class extend helper which can make your class be able to deal with events
The source file is based on coffee script
You can use this extend helper in both nodejs and browser env. If you want to use it in browser env, just modify the source code to let it be a part of the global variable
backend usage:
Class = require './class'
Animal = Class.extend
initialize: (@name) ->
eat: (food) ->
console.log "i'm eating #{food}"
dog = new Animal
dog.on 'eat', dog.eat
dog.trigger 'eat', 'bones'
Once you generated your class with this extend helper, you can use on, off, trigger to deal with your events on the object