New Twiddle

components.my-numbers.js

import Ember from 'ember';
import connect from 'ember-redux/components/connect';

var stateToComputed = (state) => {
  return {
    number: state.number
  };
};

var dispatchToActions = (dispatch) => {
  return {
    add: () => dispatch({type: 'ADD'})
  };
};

var NumbersComponent = Ember.Component.extend({
});

export default connect(stateToComputed, dispatchToActions)(NumbersComponent);

controllers.application.js

import Ember from 'ember';

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

reducers.index.js

var number = ((state, action) => {
    if(action.type === 'ADD') {
        return state + 1;
    }
    return state || 0;
});

export default {
    number
}

templates.application.hbs

<h1>ember-redux demo</h1>

{{my-numbers}}

templates.components.my-numbers.hbs

{{number}}
<button onclick={{action "add"}}>add</button>

twiddle.json

{
  "version": "0.10.4",
  "EmberENV": {
    "FEATURES": {}
  },
  "options": {
    "use_pods": false,
    "enable-testing": false
  },
  "dependencies": {
    "jquery": "https://cdnjs.cloudflare.com/ajax/libs/jquery/1.11.3/jquery.js",
    "ember": "2.6.2",
    "ember-data": "2.7.0",
    "ember-template-compiler": "2.6.2"
  },
  "addons": {
    "ember-redux": "1.5.0"
  }
}