silent fail

adapters.application.js

import DS from 'ember-data';

export default DS.Adapter.extend({
  // Mock response
  queryRecord: function(store, type, query) {
    return new Ember.RSVP.Promise(function(resolve, reject) {
      console.log('fetching data');
      resolve({ some: 'some string', id: 1 });
    });
  }
});

components.my-component.js

import Ember from 'ember';

export default Ember.Component.extend({
  list: Ember.computed(function() {
     throw new Error('blabla');
     return [1, 2, 3];
  })
});

controllers.application.js

import Ember from 'ember';

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

models.glossary.js

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

export default Model.extend({
  some: attr('string'),
});

routes.application.js

import Ember from 'ember';

export default Ember.Route.extend({
    glossary: Ember.inject.service(),
  
    beforeModel(transition) {
            this._super(...arguments);
            // Setup glossary service before application start
            const appInitData = Ember.RSVP.all([
                this.get('glossary').setup(this.store),
            ]);
            
            appInitData.catch((error) => {
                console.error(error);
            });
            
            return appInitData;
    },
});

services.glossary.js

import Ember from 'ember';

const { Service, inject, RSVP } = Ember;


export default Service.extend({
    data: [],

    setup(store) {
        const self = this;

        return new RSVP.Promise(function(resolve, reject) {
            store.queryRecord('glossary', {})
                .then((responseData) => {
                    self.set('data', responseData);
                    resolve();
                });
        });
    },
});

templates.application.hbs

<h1>Welcome to {{appName}}</h1>
<br>
<hr>
{{my-component someAction=(action 'someControllerAction') }}

templates.components.my-component.hbs

<h1>Component rendered</h1>
{{#each list as |item|}}
  {{item}} <hr>
{{/each}}

twiddle.json

{
  "version": "0.10.5",
  "EmberENV": {
    "FEATURES": {}
  },
  "options": {
    "use_pods": false,
    "enable-testing": false
  },
  "dependencies": {
    "jquery": "https://cdnjs.cloudflare.com/ajax/libs/jquery/1.11.3/jquery.js",
    "ember": "2.7.3",
    "ember-data": "2.8.0",
    "ember-template-compiler": "2.7.3",
    "ember-testing": "2.7.3"
  },
  "addons": {}
}