New Twiddle

controllers.application.js

import Ember from 'ember';

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

my-list-component.component.js

import Ember from 'ember';
const {get} = Ember;
export default Ember.Component.extend({
  activeList: Ember.computed('list', 'status', function(item) {
    console.log(this.get('list'),  get(this,'status'));
	  return this.get('list').filterBy('status', get(this,'status'));
	})
  
});

my-list-component.template.hbs

<h1>Unfiltered</h1>
{{#each list as |item|}}
 <strong> {{item.someInfo}} {{item.status}}<br/></strong>
{{/each}}


<h1>Filtered</h1>

{{#each activeList as |item|}}
 <strong> {{item.someInfo}} {{item.status}}<br/></strong>
 {{/each}}

routes.application.js

import Ember from 'ember';

export default Ember.Route.extend({
  model() {
    return [
      {someInfo: 'info1', status: 'active'},
      {someInfo: 'info2', status: 'closed'},
      {someInfo: 'info3', status: 'closed'},
      {someInfo: 'info4', status: 'active'}
    ];
  }
  

});

templates.application.hbs

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


{{my-list-component list=model status=status }}

<p>Filter by:</p>

--how do you change the _status_ variable in my-list-component via a button? ---
<p>
<button class="confirm-submit" {{action (mut status) "active"}}>ACTIVE</button>
<button class="confirm-submit" {{action (mut status) "closed"}}>CLOSED</button>
</p>
<br>
<br>

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"
  }
}