authRouterGuard.js

router.beforeEach((to, from, next) => {
  if (to.matched.some(record => record.meta.requiresAuth)) {
    // this route requires auth, check if logged in if not, redirect to login page.
    const isAuthenticated = false // TODO implement real auth check
    if (!isAuthenticated) {
      next({ path: '/login', query: { redirect: to.fullPath } })
    } else {
      next()
    }
  } else {
    next()
  }
}