so-36811910

controllers.application.js

import Ember from 'ember';

export default Ember.Controller.extend({
  appName: 'Ember Twiddle',
  actions: {
    someActionName() {
      this.set('recordFromStore',
               JSON.stringify(this.store.peekRecord('shape', 1)));
    }
  },
  recordFromStore: null
});

models.shape.js

import DS from 'ember-data';

export default DS.Model.extend({
  shared: DS.attr('string', { defaultValue: '' }),
  square: DS.belongsTo('square')
});

models.square.js

import DS from 'ember-data';

export default DS.Model.extend({
  sides: DS.attr('string', { defaultValue: '4' }),
  whereIbelong: DS.belongsTo('shape')
});

routes.application.js

import Ember from 'ember';

export default Ember.Route.extend({
  model() {
    let shape, square;

    square = this.store.createRecord('square', {
      id: 1
    });

    shape = this.store.createRecord('shape', {
      id: 1,
      shared: 'shared-value',
      square: square
    });

    return shape;
  }
});

templates.application.hbs

<h1>Welcome to {{appName}}</h1>
<p>
<button {{action 'someActionName'}}>peek store</button>
</p>
<p>Result:</p>
<pre>
	{{recordFromStore}}
</pre>

twiddle.json

{
  "version": "0.7.2",
  "EmberENV": {
    "FEATURES": {}
  },
  "options": {
    "use_pods": false,
    "enable-testing": false
  },
  "dependencies": {
    "jquery": "https://cdnjs.cloudflare.com/ajax/libs/jquery/1.11.3/jquery.js",
    "ember": "https://cdnjs.cloudflare.com/ajax/libs/ember.js/2.4.4/ember.debug.js",
    "ember-data": "https://cdnjs.cloudflare.com/ajax/libs/ember-data.js/2.4.3/ember-data.js",
    "ember-template-compiler": "https://cdnjs.cloudflare.com/ajax/libs/ember.js/2.4.4/ember-template-compiler.js"
  }
}