ember.js - 应用程序初始化程序与应用程序实例初始化程序

Question

我似乎无法弄清楚两者之间的区别。我可以从示例中看到的唯一区别是，该应用程序的两个实例是否正在运行？这怎么可能呢？

有人能够举例说明这两者之间的区别吗？我似乎无法绕过文档:https://guides.emberjs.com/v2.6.0/applications/initializers/

至于我在做什么。我试图创建一个NotificationFactory，以便任何服务/工具/组件都可以创建一个定义的Notification。

Answer 1

Application initializers are run as your application boots, and provide the primary means to configure dependency injections in your application.

Application instance initializers are run as an application instance is loaded. They provide a way to configure the initial state of your application, as well as to set up dependency injections that are local to the application instance (e.g. A/B testing configurations).

并在 http://emberjs.com/deprecations/instance-initializers/阅读更多

为了您的目的，最好使用应用程序初始化程序，因此它回调了 Ember.Application实例(不是 Ember.ApplicationInstance)，因此您可以使用 http://emberjs.com/api/classes/Ember.Application.html方法注册组件/服务/依赖项