mist/modules/preloader/rendererStore.js

// Create the client-side Redux store.
// This store's only purpose is to sync with the main store.
const { createStore, applyMiddleware } = require('redux');
const {
  forwardToMain,
  getInitialStateRenderer,
  replayActionRenderer
} = require('electron-redux');
const thunk = require('redux-thunk').default;
const initialState = getInitialStateRenderer();
import rootReducer from '../core/rootReducer';

const store = createStore(
  rootReducer,
  initialState,
  applyMiddleware(forwardToMain, thunk)
);

replayActionRenderer(store);

module.exports = store;