ember-data-32-delegate

controllers.application.js

import Ember from 'ember';
import { inject as service } from '@ember/service';

export default Ember.Controller.extend({
  store: service(),
  appName: 'Ember Twiddle',
  someProp: null,
  actions: {
    setModel() {
      let randomModel = this.get('store').createRecord('random'); // TODO: initialize with values or relationships
      this.set('someProp', randomModel);
    },
  },
});

models.random.js

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

export default Model.extend({
  prop: 'something',
  compProp: computed('prop', function() {
     return this.get('prop');
  }),
});

templates.application.hbs

<h1>Welcome to {{appName}}</h1>
<br>
<br>
{{outlet}}
  <button {{action 'setModel'}}>Set Model</button>
  {{someProp.prop}}
<br>
<br>

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"
  }
}