wrap em presents

controllers.application.js

import Ember from 'ember';

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

routes.application.js

import Ember from 'ember';

Ember.onerror = function(error) {
  debugger;
};

class SearchError extends Error {
  constructor([{ detail, code }]) {
    super(detail);
    this.message = detail;
    this.code = code;
  }
}

export default Ember.Route.extend({
  model() {
    return Promise.resolve().then(() => {
      let error = new TypeError('Network failed');
      throw new SearchError([{ detail: error, code: 'network_failure' }]);
    });
  }
});

templates.application.hbs

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

twiddle.json

{
  "version": "0.11.1",
  "EmberENV": {
    "FEATURES": {}
  },
  "options": {
    "use_pods": false,
    "enable-testing": false
  },
  "dependencies": {
    "jquery": "https://cdnjs.cloudflare.com/ajax/libs/jquery/1.11.3/jquery.js",
    "ember": "2.11.0",
    "ember-data": "2.11.0",
    "ember-template-compiler": "2.11.0",
    "ember-testing": "2.11.0"
  },
  "addons": {}
}