New Twiddle

controllers.application.js

import Ember from 'ember';

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

models.article.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'),
  author: belongsTo('author')
});

models.author.js

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

export default Model.extend({
  name: attr('string')
});

routes.application.js

import Ember from 'ember';

export default Ember.Route.extend({
  model: function() {
  	let author = this.store.push({
      data: {
        type: 'author',
        id: 1,
        attributes: {
            name: 'Juan Pueblo'
        }
      }
    });
    
    let article = this.store.push({
      data: {
        type: 'article',
        id: 1,
        relationships: {
          user: {
            data: { type: 'author', id: 1 }
          }
        }
      }
    });
  
    let articleRef = article.belongsTo('author');
    
    return {
      author,
      article,
      ref: {
        value: articleRef.value(),
        id: articleRef.id(),
        remoteType: articleRef.remoteType()
      }
    };
  }
});

templates.application.hbs

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

<p>model.ref.id: {{model.ref.id}}</p>
<p>article.id: {{model.article.id}}</p>
<p>author.id: {{model.author.id}}</p>
<p>article.author.id: {{model.article.author.id}}</p>
<p>ref.value: {{model.ref.value}}</p>
<p>ref.id: {{model.ref.id}}</p>
<p>ref.remoteType: {{model.ref.remoteType}}</p>

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"
  }
}