gistfile1.txt

if not window?
  inherits      = require('util').inherits
  EventEmitter  = require('events').EventEmitter
  _             = require('underscore')

extend  = _.extend
keys    = Object.keys

class Model extends EventEmitter
  constructor: (attribs) ->
    attribs   |= {}
    @attribs  = extend(@attribs, attribs)
    @track    (keys(@attribs))
    
  track: (keys) ->
    if not typeof keys == Array
      keys = []
    
    for key in keys
      @__defineGetter__ key, ->
        @get(key)
      @__defineSetter__ key, ->
        @set(key)
    
        
  set: (key, val, quiet) ->
    @attribs[key] = val
    if not quiet
      @emit 'change', {key:val}
      
  get: (key) ->
    @attribs[key]