Redux + Ember basic

controllers.application.js

import Ember from 'ember';

const createStore = (reducer) => {
	let state = reducer();
  const listeners = [];
  const store = {
  	getState() {
    	return state;
    },
    dispatch(action) {
    	state = reducer(state, action);
			listeners.forEach((callback) => {
      	callback();
      })
    },
    subscribe(callback) {
  		listeners.push(callback)
    }
  }
  return store;
}

const reducer = (state, action) => {	
	if (action && action.type == 'INCREMENT') {
    const number = state.number;
    const addedNumber = number + 1;
    console.log(addedNumber);
    return Object.assign({}, state, {number: addedNumber});
  }
  return state || {id: 1, number: 1}
}

const store = createStore(reducer);

export default Ember.Controller.extend({
  appName: 'Ember Twiddle',
  init() {
    this._super(...arguments);
  	store.subscribe(() => {
    	this.notifyPropertyChange('number')
    });
  }, 
  
  number: Ember.computed(function(){
    return store.getState().number;
  }),
  
  actions: {
  	increment() {
    	store.dispatch({type: 'INCREMENT'})
    }
  }
});

templates.application.hbs

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

<button {{action 'increment'}}>Increment</button>
{{number}}

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"
  }
}