New Twiddle

controllers.application.js

import Ember from 'ember';

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

templates.application.hbs

{{this.appName}}

{{my-component value=(mut this.appName)}}

templates.components.my-component.hbs

{{#let (get (get this 'attrs') 'value') as |cell|}}
	
	{{log cell}}
  {{cell}}
  <br>
  {{cell.value}}
  <br>
  {{cell.update}}
  <br>
  <input oninput={{action @value value="target.value"}} />
{{/let}}

twiddle.json

{
  "version": "0.15.1",
  "EmberENV": {
    "FEATURES": {}
  },
  "options": {
    "use_pods": false,
    "enable-testing": false
  },
  "dependencies": {
    "jquery": "https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.js",
    "ember": "3.4.3",
    "ember-template-compiler": "3.4.3",
    "ember-testing": "3.4.3"
  },
  "addons": {
    "ember-data": "3.4.2"
  }
}