Wrap a JSON object into an Ember object

jsonToObject.js

App.fromJSON = function (json)
{
	var result = undefined;
	if (Ember.typeOf(json) === 'array')
	{
		result = Ember.A();
		json.forEach(function (el){
			result.pushObject(App.fromJSON(el));
		});
	}
	else if (Ember.typeOf(json) === 'object')
	{
		result = Ember.Object.create();
		for (var key in json)
		{
			if (json.hasOwnProperty(key))
			{
				result.set(key, App.fromJSON(json[key]));
			}
		}
	}
	else if (Ember.typeOf(json) === 'string' || Ember.typeOf(json) === 'number' || Ember.typeOf(json) === 'boolean')
	{
		result = json;
	}

	return result;
};