TODO MVC

controllers.application.js

import Ember from 'ember';

const TodoItem = Ember.Object.extend({
  completed: false
});

export default Ember.Controller.extend({
  
  value: '',

  items: [],
  
  completed: Ember.computed.filterBy('items', 'completed', true),
  
  active: Ember.computed.filterBy('items', 'completed', false),
  
  selectedList: 'items',
  
  list: Ember.computed('selectedList', function() {
    const selectedList = this.get('selectedList');
    return this.get(selectedList);
  }),

  init: function() {
    this._super(...arguments);
    let todoItem = this.createTodoItem('not done');
    this.get('items').pushObject(todoItem);
    todoItem = this.createTodoItem('done');
    todoItem.set('completed', true);
    this.get('items').pushObject(todoItem);
  },
  
  actions: {

    addTodo: function(title) {
      this.set('value', '');
      const todoItem = this.createTodoItem(title);
      this.get('items').pushObject(todoItem);
    }

  },
  
  createTodoItem: function(title) {
    return TodoItem.create({
      title: title
    });
  }

});

templates.application.hbs

<input type="text"
       value={{value}}
       onchange={{action (mut value) value="target.value"}}/>

<button {{action "addTodo" value}}>add</button>

<br>

{{#each list as |item|}}
  {{item.title}}
  <input type="checkbox" checked={{item.completed}}/>
  <br>
{{/each}}

<button {{action (mut selectedList) "items"}}>all</button>
<button {{action (mut selectedList) "active"}}>active</button>
<button {{action (mut selectedList) "completed"}}>completed</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"
  }
}