Sphere/app/store.js

import { createStore, applyMiddleware } from 'redux';
import reducers from './reducers';

import settings from './settings/constants';
import * as storage from 'redux-storage';
import createEngine from 'redux-storage-engine-reactnativeasyncstorage';
import filter from 'redux-storage-decorator-filter';

import { apiMiddleware } from 'redux-api-middleware';
import actionChain from './middleware/actionChain';

const engine = filter(createEngine(settings.get('STORAGE_KEY')));

const storeMiddleware = storage.createMiddleware(engine);


export default function configureStore(initialState) {
  const load = storage.createLoader(engine);

  const createStoreWithMiddleware = applyMiddleware(
    apiMiddleware,
    actionChain,
    storeMiddleware  // Last in list
  )(createStore);

  const store = createStoreWithMiddleware(reducers);

  load(store)
    .then(function (newData) {
      console.log('LOADED STATE');
    })
    .catch(function () {
      console.log('FAILED TO LOAD STATE', arguments);
    });

  return store;
}