// configureStore.js
import { combineReducers, createStore } from 'redux'
import { persistStore, persistReducer } from 'redux-persist'
import { localStorage, syncStorage } from 'redux-persist-webextension-storage'
import localStorageReducer from './localStorageReducer';
import syncStorageReducer from './syncStorageReducer';
const localStorageConfig = {
  key: 'localStorage',
  storage: localStorage,
}
const syncStorageConfig = {
  key: 'syncStorage',
  storage: syncStorage,
}
// Persist each of the storage areas under different keys and with different storage engines.
const rootReducer = combineReducers({
  localStorage: persistReducer(localStorageConfig, localStorageReducer),
  syncStorage: persistReducer(syncStorageConfig, syncStorageReducer),
})
export default () => {
  const store = createStore(rootReducer)
  const persistor = persistStore(store)
  return { store, persistor }
}

// Example config passed to `persistReducer`
const key = 'localStorage';
const localStorageConfig = {
  key,
  storage: localStorage,
}
// …
chrome.storage.local.get([`persist:${key}`], (items) => {
  const rootParsed = JSON.parse(items['persist:localStorage']);
  
  // Keep in mind that each reducer must be parsed separately
  const someReducer = JSON.parse(parsed.someReducer);
  
  // `someReducer` will be the contents of the reducer of that name when last persisted
});