垃圾数据“无法调用方法”hasOwnProperty“未定义” [英] Ember-data "Cannot call method 'hasOwnProperty' of undefined"

问题描述

我有以下Ember.js模型：

I have the following Ember.js model:

Filters.Milestone = DS.Model.extend({
    id: DS.attr('string'),
    name: DS.attr('string')
});

在我的app.js中，我有以下模型设置（在模型之前加载）：

In my app.js I have the following settings for the model (loaded prior to the model):

Filters.MilestoneSerializer = DS.RESTSerializer.extend();
Filters.MilestoneAdapter = DS.RESTAdapter.extend({
    namespace: "ember"
});

加载页面时，会完成对里程碑列表的AJAX调用。返回以下JSON：

When loading the page, an AJAX call to the milestones list is done. The following JSON is returned:

{
    "milestones": [
        {
            "id": "1",
            "name": "Test Milestone #1"
        }
    ]
}

加载JSON时，会返回以下错误：

When the JSON is loaded, the following error is returned:

TypeError: Cannot call method 'hasOwnProperty' of undefined
    at e (http://sandbox.local/ember/js/libs/ember-data.js:8:30934)
    at null.<anonymous> (http://sandbox.local/ember/js/libs/ember-data.js:8:31181)
    at ComputedPropertyPrototype.set (http://sandbox.local/ember/js/libs/ember-1.4.0.js:4903:18)
    at new Class (http://sandbox.local/ember/js/libs/ember-1.4.0.js:12652:18)
    at Function.Mixin.create.create (http://sandbox.local/ember/js/libs/ember-1.4.0.js:13104:12)
    at Ember.Object.extend.buildRecord (http://sandbox.local/ember/js/libs/ember-data.js:10:2880)
    at Ember.Object.extend.recordForId (http://sandbox.local/ember/js/libs/ember-data.js:9:31214)
    at Ember.Object.extend._load (http://sandbox.local/ember/js/libs/ember-data.js:10:2048)
    at Ember.Object.extend.push (http://sandbox.local/ember/js/libs/ember-data.js:10:2450)
    at null.<anonymous> (http://sandbox.local/ember/js/libs/ember-data.js:10:2701)

$ b $我做错了什么？我尝试遵循与 https://github.com/emberjs/data/blob/master/packages/ember-data/tests/integration/adapter/rest_adapter_test.js#L465 。如果我重命名里程碑键，它说没有找到新钥匙的模型，所以一定要正确： - ）

What am I doing wrong? I have tried following the same structure as https://github.com/emberjs/data/blob/master/packages/ember-data/tests/integration/adapter/rest_adapter_test.js#L465. If I rename the milestones key it says that no model could be found for the new key, so something must be right :-)

提前感谢

我使用的路由如下：

Filters.FiltersRoute = Ember.Route.extend({
    model: function() {
        return this.store.find('milestone')
    }
});

如果 this.store.find（'milestone'）不叫错误不发生。另外，如果我使用 FixtureAdapter 而不是 RESTAdapter ，错误仍然发生。所以似乎这可能与模型有关，而不是数据源。

If this.store.find('milestone') is not called the error doesn't occur. Also, if I use the FixtureAdapter instead of the RESTAdapter, the error still occurs. So it seems that this might be related to the model, not the data source.

推荐答案

问题是由code> id 属性。显然这不应该是模型的一部分。

The problem was caused by the id attribute in the model. Apparently this should not be part of the model.

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