nuxt-news/middleware/check-auth.js

import { getUserFromCookie, getUserFromLocalStorage } from '~/utils'

export default function ({ store, req }) {
  if (process.server && !req) {
    return undefined
  }

  const userData = process.server ? getUserFromCookie(req) : getUserFromLocalStorage()

  if (!userData) {
    return undefined
  } else if (!userData.jwt || Date.now() > userData.expiresIn) {
    store.commit('clearToken')
    store.commit('clearUser')
  } else {
    store.commit('setToken', userData.jwt)
    store.commit('setUser', { email: userData.user, avatar: userData.avatar })
    const timeToLogout = userData.expiresIn - Date.now()
    store.dispatch('setLogoutTimer', timeToLogout)
  }
}