actions2.18

components.my-component.js

import Ember from 'ember';

export default Ember.Component.extend({
  target: 'body',
  
  actions: {
    buttonClick() {
      this.sendAction('onClick');
    }
  }
});

controllers.application.js

import Ember from 'ember';

export default Ember.Controller.extend({
  appName: 'Ember Twiddle',
  
  actions: {
    foo() {
      alert('action propagated out');
    }
  }
});

templates.application.hbs

<h1>Welcome to {{appName}}</h1>
<br>
<br>
{{my-component onClick="foo"}}
<br>
<br>

templates.components.my-component.hbs

<a {{action "buttonClick"}} href="#">Click me</a>

twiddle.json

{
  "version": "0.12.1",
  "EmberENV": {
    "FEATURES": {}
  },
  "options": {
    "use_pods": false,
    "enable-testing": false
  },
  "dependencies": {
    "jquery": "https://cdnjs.cloudflare.com/ajax/libs/jquery/1.11.3/jquery.js",
    "ember": "2.18.0-beta.2",
    "ember-template-compiler": "2.18.0-beta.2",
    "ember-testing": "2.12.0"
  }
}