CoffeeScript Style Guide (using no prototype)

gistfile1.coffee

### flipjs.io CoffeeScript Style Guide ###

do ->

  ############################################################ CLASS ###

  class Animal
    constructor: (@name) ->

      initProps = =>
        @legs = 4
        @canEat = canEat
        @canWalk = canWalk
        @canGrowl = canGrowl
        return

      show = (behavior) => console.log "#{@name} #{behavior}"

      canEat = -> show 'eats...'

      canWalk = -> show 'walks...'

      canGrowl= -> show 'growls...'

      initProps()

  ############################################################ CLASS ###

  class Dog extends Animal
    constructor: ->
      super

      initProps = =>
        @doTrick = doTrick
        @learnNewTrick = learnNewTrick
        @tricks = ['playing dead', 'fetches a ball', 'wags its tail']

      show = (behavior) => console.log "#{@name} #{behavior}"

      doTrick = (trick) ->
        show if trick in @tricks then trick else '*whines*'

      learnNewTrick = (trick) -> @tricks.push(trick)

      initProps()

  ############################################################ MAIN ###

  main = ->
    dog = new Dog('Rusty')
    dog.canEat()
    dog.canWalk()
    dog.canGrowl()
    dog.doTrick('playing dead')
    dog.doTrick('catches a mouse') # doesnt know how, dog whines
    dog.doTrick('fetches a ball')
    dog.learnNewTrick('catches a mouse')
    dog.doTrick('catches a mouse') # now can do new trick
    dog.doTrick('wags its tail')

  main()