New Twiddle

components.my-form.js

import Ember from 'ember';

export default Ember.Component.extend({
  actions: {
  	 log(params) {
      	console.log(params); 
     }
  }
});

controllers.application.js

import Ember from 'ember';
import Changeset from 'ember-changeset';

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

router.js

import EmberRouter from '@ember/routing/router';
import config from './config/environment';

const Router = EmberRouter.extend({
  location: 'none',
  rootURL: config.rootURL
});

Router.map(function() {
  this.route('other-place')
});

export default Router;

routes.application.js

import Ember from 'ember';
import { hash } from 'rsvp';

export default Ember.Route.extend({
  model() {
  	return hash({
      foo: 'bar',
      bar: 'baz'
    })
  }
});

routes.other-place.js

import Ember from 'ember';
import { hash } from 'rsvp';

export default Ember.Route.extend({
  model() {
   	return hash({
    	bar: 'baz',
      hello: 'world'
    });
  }
});

templates.application.hbs

<h1>Welcome to {{appName}}</h1>
<br>
<br>
{{outlet}}
{{my-form model=(changeset model) field='foo'}}

{{#link-to 'other-place'}}
	Go to other place
{{/link-to}}
<br>
<br>

templates.components.my-form.hbs

{{yield}}
{{input 
	value=(get model field) 
  focusIn=(action 'log' 'focus')
  focusOut=(action 'log' 'blur')}}

templates.other-place.hbs

{{my-form model=(changeset model) field='hello'}}

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",
    "ember-changeset": "1.6.0"
  }
}