redux-persist

import React from 'react'
import { Navigation } from 'react-native-navigation'
import { REHYDRATE } from 'redux-persist'

import { registerScreen } from './src/navigation/config'
import navigation from './src/navigation'
import configureStore from './src/redux/configureStore'

const store = configureStore()
registerScreen()

export default class App extends React.PureComponent {
  constructor(props) {
    super(props)
    store.subscribe(this.onStoreUpdate.bind(this))
  }

  onStoreUpdate() {
    let isBoarding = store.getState().boarding.boardingStatus
    let isLogin = store.getState().login.isLogin

    if (REHYDRATE === 'persist/REHYDRATE') {
      this.startApp(isBoarding, isLogin)
    }
  }

  startApp(isBoarding, isLogin) {
    if (isBoarding === 0) {
      Navigation.events().registerAppLaunchedListener(() => {
        Navigation.setRoot(navigation.boarding())
      })
    } else {
      Navigation.events().registerAppLaunchedListener(() => {
        Navigation.setRoot(navigation.login())
      })
    }
  }
}