model-fragments issue 340

controllers.application.js

import Ember from 'ember';

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

models.appointment.js

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

export default Model.extend({
  changeTracker: {trackHasMany: true, auto: true, enableIsDirty: true},
  telephoneNumber: MF.fragment('phone-type')
});

models.phone-type.js

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

export default MF.Fragment.extend({
  number: attr('string')
});

routes.application.js

import Ember from 'ember';

export default Ember.Route.extend({
  model() {
   const store = this.get('store');
   /*const appointment = store.createRecord('appointment', {}); 
   const telephoneNumber = store.createFragment('phoneType',{
     number: '07777777777'
   });  
    appointment.set('telephoneNumber', telephoneNumber);*/
    store.push({
      data: [{
        id: 1,
        type: 'appointment',
        attributes: {
         telephoneNumber: {
           number: '07777777777'
         }
        }
      }]
    });
        const appointment = this.store.peekRecord('appointment', 1);
    appointment.saveTrackerChanges();
    window.appointment = appointment;
    appointment.set('telephoneNumber.number', '07123456789');
    console.log('changedAttributes: ', appointment.changedAttributes());
    appointment.saveTrackerChanges();
    appointment.set('telephoneNumber.number', '07123456700');
        console.log('changedAttributes 2: ', appointment.changedAttributes());
    debugger;
   return appointment
  }
});

templates.application.hbs

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

twiddle.json

{
  "version": "0.15.1",
  "EmberENV": {
    "FEATURES": {}
  },
  "options": {
    "use_pods": false,
    "enable-testing": false
  },
  "dependencies": {
    "jquery": "https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.js",
    "ember": "3.4.8",
    "ember-template-compiler": "3.4.3",
    "ember-testing": "3.4.3"
  },
  "addons": {
    "ember-data": "3.5.2",
    "ember-data-model-fragments": "4.0.0",
    "ember-data-change-tracker" : "0.8.0"
  }
}