Example Redux Offline config with network detection

redux-offline-config.js

const reduxOfflineConfig = {
  ...,
  detectNetwork: callback => {
    setInterval(async () => {
      try {
        await fetch('yourbackend.com/ping', { method: 'HEAD' })
        callback({
          online: true
        })
      } catch(e) {
        callback({
          online: false
        })
      }
    }, 2000)
  },
}