ember2.10beta bug

controllers.application.js

import Ember from 'ember';

export default Ember.Controller.extend({
  appName: 'Ember Twiddle',
  
  init() {
    this._super(...arguments);
    
    this.get('store').pushPayload('my-model', {
      data: { 
        type: 'my-model', 
        id: 1, 
        attributes: {
          total: 234
        }
      }
    });
    this.set('model', this.get('store').peekAll('my-model').get('firstObject'));
  }
});

models.my-model.js

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

export default Model.extend({
  total: attr('format-number')
});

templates.application.hbs

<h1>Welcome to {{appName}}</h1>
<br>
<br>
{{model.total}}
<br>
<br>

transforms.format-number.js

import Transform from 'ember-data/transform';
import Ember from 'ember';

export default Transform.extend({
  deserialize(serialized, options) {
    console.log('aaa');
    return serialized;
  },

  serialize(deserialized) {
    console.log('aaa');
    return deserialized;
  }
});

twiddle.json

{
  "version": "0.10.6",
  "EmberENV": {
    "FEATURES": {}
  },
  "options": {
    "use_pods": false,
    "enable-testing": false
  },
  "dependencies": {
    "jquery": "https://cdnjs.cloudflare.com/ajax/libs/jquery/1.11.3/jquery.js",
    "ember": "2.9.0",
    "ember-data": "beta",
    "ember-template-compiler": "2.9.0",
    "ember-testing": "2.9.0"
  },
  "addons": {}
}