在组件内调用闭包操作的正确方法是什么？

Question

我像这样将关闭操作传递给我的组件：

{{deployment-timeline loadMoreDeployments=(action "loadMoreDeployments")}}

我应该如何在我的组件中调用它？

actions:{
  loadMoreDeployments(){
    // which one of the following three invocations is best?
    this.attrs.loadMoreDeployments();
    this.get('loadMoreDeployments')();
    this.loadMoreDeployments();
  }
}

Answer 1

你应该这样做

this.get('loadMoreDeployments')();

或

import {get} from '@ember/object';
...
get(this, 'loadMoreDeployments')();

attrs 的使用可能从未被引入，并且不建议使用点符号访问 ember 对象上的属性。

编辑：With ember 3.1 (currently in beta) we will get support for dot notation for getters (no setters yet, and not for proxy objects). 这意味着从 ember 3.1 开始，您可以安全地使用：

this.loadMoreDeployments();