Date Sorting

components.my-component.js

import Ember from 'ember';

export default Ember.Component.extend({
});

controllers.application.js

import Ember from 'ember';

export default Ember.Controller.extend({
  appName: 'Ember Twiddle',
  sortedByDate:Ember.computed.sort("model", function(a, b){
  	let aDate = a.postedDate.split('/');
    let bDate = b.postedDate.split('/');
    console.log(aDate[2] + aDate[1] + aDate[0] );
   	return ( bDate[2] + bDate[1] + bDate[0] ).localeCompare(aDate[2] + aDate[1] + aDate[0] )
  })
});

routes.application.js

import Ember from 'ember';

export default Ember.Route.extend({
  model(){
  	return[
      {"postedDate" : "1/2/17"},
      {"postedDate" : "2/2/17"},
      {"postedDate" : "3/2/17"},
      {"postedDate" : "1/1/16"},
      {"postedDate" : "12/12/16"},
      {"postedDate" : "6/3/12"},
      {"postedDate" : "5/3/12"}
    ];
  }
});

templates.application.hbs

<h1>Welcome to {{appName}}</h1>
<br>
<br>
	{{my-component sortedByDate=sortedByDate }}
<br>
<br>

templates.components.my-component.hbs

<h1>I am the Component</h1>
<ul>
{{#each sortedByDate as |date|}}
	<li>{{date.postedDate}}</li>
{{/each}}
</ul>

twiddle.json

{
  "version": "0.13.0",
  "EmberENV": {
    "FEATURES": {}
  },
  "options": {
    "use_pods": false,
    "enable-testing": false
  },
  "dependencies": {
    "jquery": "https://cdnjs.cloudflare.com/ajax/libs/jquery/1.11.3/jquery.js",
    "ember": "2.16.2",
    "ember-template-compiler": "2.16.2",
    "ember-testing": "2.16.2"
  },
  "addons": {
    "ember-data": "2.16.3"
  }
}