Hacking closureActionzz

components.leaf-node.js

import Ember from 'ember';

export default Ember.Component.extend({
});

components.middle-one.js

import Ember from 'ember';

export default Ember.Component.extend({
});

components.top-level.js

import Ember from 'ember';
import hbs from 'htmlbars-inline-precompile';

export default Ember.Component.extend({
  actions: {
    selectCategory() {
      window.alert("select fired!");
    }
  },
  layout: hbs`
    {{yield (action "selectCategory")}}
  `
});

controllers.application.js

import Ember from 'ember';

export default Ember.Controller.extend({
  appName: 'Ember Twiddle'
});

styles.app.css

body {
  margin: 12px 16px;
  font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
  font-size: 12pt;
}

input {
  width: 500px;
  font-size: 24px;
  margin: 15px;
}

a{
  font-size: 27px;
  padding: 15px;
  background: #ccc;
  border: 3px dashed #aaa;
  margin: 15px;
}

templates.application.hbs

<h1>Welcome to {{appName}}</h1>
<br>
<br>
{{outlet}}
<br>
<br>

{{#top-level as |selectCategory|}}
  {{#middle-one}}
    {{#leaf-node}}
    <input type="text" />
    <a href="javascript:void(0);" onclick={{action selectCategory}} tabindex=0>click</a>
    {{/leaf-node}}
  {{/middle-one}}
{{/top-level}}

twiddle.json

{
  "version": "0.10.5",
  "EmberENV": {
    "FEATURES": {}
  },
  "options": {
    "use_pods": false,
    "enable-testing": false
  },
  "dependencies": {
    "jquery": "https://cdnjs.cloudflare.com/ajax/libs/jquery/1.11.3/jquery.js",
    "ember": "1.13.13",
    "ember-data": "2.8.0",
    "ember-template-compiler": "1.13.13",
    "ember-testing": "1.13.13"
  },
  "addons": {}
}