New Twiddle

components.x-modal-body.js

import Ember from 'ember';

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

components.x-modal-header.js

import Ember from 'ember';

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

components.x-modal.js

import Ember from 'ember';

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

controllers.application.js

import Ember from 'ember';

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

templates.application.hbs

{{x-modal
	title="Simple Title"
  body="Simple Body"
}}

templates.components.x-modal-body.hbs

{{body}}

templates.components.x-modal-header.hbs

{{title}}

templates.components.x-modal.hbs

{{component 'x-modal-header' title=title}}
{{component 'x-modal-body' body=body}}

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": "2.12.0",
    "ember-template-compiler": "2.12.0",
    "ember-testing": "2.12.0"
  },
  "addons": {
    "ember-data": "2.12.1"
  }
}