ChartJS update test

controllers.application.js

import Ember from 'ember';

export default Ember.Controller.extend({
  appName: 'ChartJS Update Test',
  testData: Ember.computed(function() {
    return {
      labels: ['hi', 'there', 'sir'],
      datasets: [{
          data: [1,2,3]
      }]
    };
  }),
  options: {
    responsive: false,
    legend: { display: false, },
  },
  
  actions: {
  	addData() {
      var cdata = this.get('testData');
      console.log('cdata', cdata);
      cdata.datasets[0].data[2] = 5;
      cdata.labels[2] = "New sir";
      this.set('testData',cdata);
      this.notifyPropertyChange('testData');
    }
  }
});

templates.application.hbs

<h1>{{appName}}</h1>
<br>
<br>
{{outlet}}
<br>
<br>
{{ember-chart type='pie' data=testData height=300 width=300 options=options animate=true}}
<button {{action 'addData'}}>modify data</button>

twiddle.json

{
  "version": "0.12.1",
  "EmberENV": {
    "FEATURES": {}
  },
  "options": {
    "use_pods": false,
    "enable-testing": false
  },
  "dependencies": {
    "jquery": "https://cdnjs.cloudflare.com/ajax/libs/jquery/1.11.3/jquery.js",
    "ember": "2.12.0",
    "ember-template-compiler": "2.12.0",
    "ember-testing": "2.12.0"
  },
  "addons": {
    "ember-data": "2.12.1",
    "ember-cli-chart": "3.3.2"
  }
}