Object and Array Transforms for Ember-cli in CoffeeScript

array.coffee

`import DS from 'ember-data'`

ArrayTransform = DS.Transform.extend
  deserialize: (serialized) ->
    if (Ember.typeOf(serialized) is "array") then serialized else []

  serialize: (deserialized) ->
    type = Ember.typeOf(deserialized)
    if type is "array"
      deserialized
    else if type is "string"
      deserialized.split(",").map (item) ->
        jQuery.trim item
    else
      []

`export default ArrayTransform`

object.coffee

`import DS from 'ember-data'`

ObjectTransform = DS.Transform.extend
  deserialize: (serialized) ->
    if !$.isPlainObject serialized
      {}
    else
      serialized

  serialize: (deserialized) ->
    if !$.isPlainObject deserialized
    	{}
    else
      deserialized

`export default ObjectTransform`