New Twiddle

components.my-component.js

import Ember from 'ember';

const { computed: { reads } } = Ember;

export default Ember.Component.extend({
  
  firstName: reads('job.firstName'),
  lastName: reads('job.lastName'),
  title: reads('job.title'),
  
  actions: {
    submit() {
      let jobProps = this.getProperties('firstName', 'lastName', 'title');
      
      this.get('onSubmit')(jobProps);
    },
    
    updateTitle(value) {
    	this.set('title', value);
    }
  }
  
});

controllers.application.js

import Ember from 'ember';

export default Ember.Controller.extend({
  appName: 'Ember Twiddle',
  
  actions: {
    setNewJobTitle() {
    	this.get('model').set('title', 'A New Updated Title');
    },
    
  	updateJob(props) {
    	this.get('model').setProperties(props); 
    }
  }
});

models.job.js

import Model from 'ember-data/model';
import attr from 'ember-data/attr';
import { belongsTo, hasMany } from 'ember-data/relationships';

export default Model.extend({
  title: attr('string'),
  firstName: attr('string'),
  lastName: attr('string')
});

routes.application.js

import Ember from 'ember';

export default Ember.Route.extend({
  model() {
  	return this.store.createRecord('job', { title: 'My First Job', firstName: 'Vincent', lastName: 'Eberle' }); 
  }
});

templates.application.hbs

<h1>Welcome to {{appName}}</h1>
<br>
<br>
Job.Title = {{model.title}}
<br>
<br>
Job.FirstName = {{model.firstName}}
<br>
<br>
Job.LastName = {{model.lastName}}
<br>
<br>

{{my-component job=model onSubmit=(action "updateJob")}}
<br>
<br>
<button {{action "updateTitle"}}>Update Title</button>

templates.components.my-component.hbs

{{title}}
<br>
<br>
{{firstName}}
<br>
<br>
{{lastName}}
<br>
<br>
<input type="text" value={{title}} oninput={{action "updateTitle" value="target.value"}}>


<button {{action "submit"}}>Submit</button>

twiddle.json

{
  "version": "0.15.0",
  "EmberENV": {
    "FEATURES": {}
  },
  "options": {
    "use_pods": false,
    "enable-testing": false
  },
  "dependencies": {
    "jquery": "https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.js",
    "ember": "3.2.2",
    "ember-template-compiler": "3.2.2",
    "ember-testing": "3.2.2"
  },
  "addons": {
    "ember-data": "3.2.0"
  }
}