Simple sound effect module for AngularJS

angular-audio.coffee

# This is Simple Audio Plugin for AngularJS

# service
class AngularAudio
  constructor:() ->
    @cache = {}

  play:(id) ->
    audio = null

    if (@cache[id]) # check cache
      audio = @cache[id]
    else # load from DOM
      audio = document.querySelector(id)
      @cache[id] = audio

    if audio
      @playSE(audio)

  playSE:(audio) ->
    audio.load()
    audio.play()


#================
# Assign modules
#================

_module = angular.module('ngAudio', [])
_module.directive('ngAudio', ($compile, ngAudio) ->
  return {
    restrict: 'AE'
    controller: ($scope, $attrs, $element) ->
      $element.on('click', (e) ->
        ngAudio.play($attrs.ngAudio)
      )
  }
)
_module.service('ngAudio', AngularAudio)