New Twiddle

controllers.application.js

import Ember from 'ember';

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

  init() {
    this._super(...arguments);
    let store = this.store;
    console.log('HE', store.modelFor('car'))
  }
});

models.big-car.js

import Car from "./car";
import attr from "ember-data/attr";
import { belongsTo, hasMany } from "ember-data/relationships";

export default Car.extend({
});

models.car.js

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

export default Model.extend({
  dealer: belongsTo('dealer', {async: false, inverse: 'cars', polymorphic: true})
});

models.dealer.js

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

export default Model.extend({
  cars: hasMany('car', {async:false, polymorphic: true, inverse:'dealer'}),
});

models.small-car.js

import Car from "./car";
import attr from "ember-data/attr";
import { belongsTo, hasMany } from "ember-data/relationships";

export default Car.extend({
});

templates.application.hbs

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

twiddle.json

{
  "version": "0.10.5",
  "EmberENV": {
    "FEATURES": {}
  },
  "options": {
    "use_pods": false,
    "enable-testing": false
  },
  "dependencies": {
    "jquery": "https://cdnjs.cloudflare.com/ajax/libs/jquery/1.11.3/jquery.js",
    "ember": "2.8.0",
    "ember-data": "2.8.0",
    "ember-template-compiler": "2.8.0",
    "ember-testing": "2.8.0"
  },
  "addons": {}
}