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Ember.Objectからjsonを抽出する方法です。

  • Jsonable Mixinを定義する
App.Jsonable = Ember.Mixin.create
  getJson: (->
    ret = [] 
    for key of this
      if (@hasOwnProperty(key))
        v = this[key]
        if (v == 'toString')
          continue
        if (Ember.typeOf(v) == 'function')
          continue
        ret.push(key)
    return @getProperties.apply(this, ret)
  )
  • Ember.Object作成時にJsonableを組み込む
App.article = Ember.Object.create App.Jsonable,
  author: 'Bob',
  title: 'My first article',
  published_on: '2012-12-21',
  body: 'Hello, World!'

App.article.getJson() # => {author: 'Bob'
  • getJson() メソッドでJSON用オブジェクトを抽出できます。
JSON.stringify(App.article.getJson()) # => "{author: 'Bob', ...}"

この方法は、以下のサイトで紹介されてました。

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