Nested @each property

controllers.application.js

import Ember from 'ember';

export default Ember.Controller.extend({
  appName: 'Ember Twiddle',
  filteredItems: Ember.computed('model.@each.legs.length', function() {
    return this.get('model').filter(function(item) {
    	if(item.get('legs') >= 2) {
				return item;
      }
     })
  }),
  actions: {
  	amputate: function() {
    	this.get('model.firstObject').set('legs', 1);
    }
  }
});

routes.application.js

import Ember from 'ember';

export default Ember.Route.extend({
  model: function() {
  	return [
    	Ember.Object.create({name: 'Cliff', legs: 4}),
      Ember.Object.create({name: 'Emerson', legs: 2})
    ];
  }
});

templates.application.hbs

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


{{log filteredItems}}

<ul>
{{#each filteredItems as |item|}}
	<li>{{item.name}}</li>
{{/each}}
</ul>

<button {{action 'amputate'}}>Test</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"
  }
}