watching objects

application.controller.js

import Ember from 'ember';

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

application.template.hbs

{{tab-set}}

services.window-dimensions.js

import Ember from 'ember';

export default Ember.Service.extend({
  
  subscriptions: Ember.computed(function() {
    return Ember.A();
  }),
  
  addSubscription(str) {
    this.get('subscriptions').pushObject(Ember.Object.create({ id: str }));
  },
  
  init() {
    this._super();
    let i = 0;
    setInterval(() => {
      i++;
      console.log(this.get('subscriptions'));
      this.get('subscriptions').forEach(subscription => {
        subscription.setProperties({
          BID: i + 0.1,
          OFR: i - 0.1,
        });
      });
    }, 1000);
  },
  
 
});

tab-set.component.js

import Ember from 'ember';

export default Ember.Component.extend({

  service: Ember.inject.service('windowDimensions'),
  
  subscriptions: Ember.computed('service.subscriptions.[]', function() {
    console.log('hit');
    return this.get('service.subscriptions');
  }),
  
  streamingDataRows: Ember.computed(function() {
    return [];
  }),
  
  actions: {
    create(str) {
      this.get('service').addSubscription(str);
    }
  }
      
});

tab-set.template.hbs

<button {{action 'create' 'foo'}}>Create foo subscription</button>
<button {{action 'create' 'bar'}}>Create bar subscription</button>

{{#each service.subscriptions as |subscription|}}
	{{#each-in subscription as |key value|}}
		{{key}}: {{value}}
	{{/each-in}}
{{/each}}

twiddle.json

{
  "version": "0.5.3",
  "EmberENV": {
    "FEATURES": {}
  },
  "options": {
    "enable-testing": false
  },
  "dependencies": {
    "jquery": "https://cdnjs.cloudflare.com/ajax/libs/jquery/1.11.3/jquery.js",
    "ember": "https://cdnjs.cloudflare.com/ajax/libs/ember.js/2.3.1/ember.debug.js",
    "ember-data": "https://cdnjs.cloudflare.com/ajax/libs/ember-data.js/2.3.3/ember-data.js",
    "ember-template-compiler": "https://cdnjs.cloudflare.com/ajax/libs/ember.js/2.2.0/ember-template-compiler.js"
  }
}