Simple Flux

BaseStore.js

import EventEmitter from 'events';

import Dispatcher from '../dispatcher';

const CHANGE_EVENT = 'change';

export default class BaseStore extends EventEmitter {
  constructor() {
    super();
    this.dispatchToken = Dispatcher.register(this.handleDispatch.bind(this));
  }

  handleDispatch(payload) {
    throw new Error(this.constructor.name + ' does not implement handleDispatch');
  }

  emitChange() {
    this.emit(CHANGE_EVENT);
  }

  addChangeListener(callback) {
    this.on(CHANGE_EVENT, callback);
  }

  removeChangeListener(callback) {
    this.removeListener(CHANGE_EVENT, callback);
  }
}

dispatcher.js

import {Dispatcher} from 'flux';

export default new Dispatcher();

ExampleStore.js

import {ActionTypes} from '../constants';
import BaseStore from './BaseStore';

class ExampleStore extends BaseStore {
  handleDispatch(payload) {
    switch (payload.type) {
      case ActionTypes.INIT:
        this._doStuff();
        this.emitChange();
        break;
    }
  }

  getStuff() {
   return 'Put some data here';
  }
}

export default new ExampleStore();