user.js

import useSWR from 'swr';
import { fetcher } from '@/actions';
import { useEffect, useState } from "react"

function doesHttpOnlyCookieExist(cookiename) {
  var d = new Date();
  d.setTime(d.getTime() + (1000));
  var expires = "expires=" + d.toUTCString();

  document.cookie = cookiename + "=new_value;path=/;" + expires;
  if (document.cookie.indexOf(cookiename + '=') == -1) {
    return true;
  } else {
    return false;
  }
}

export const useGetUser = () => {
  const [isMounted, setIsMounted] = useState(false)
  const hasAuthCookie = isMounted ?
    doesHttpOnlyCookieExist('a0:session') : false;

  useEffect(() => setIsMounted(true))

  const { data, error, isValidating, ...rest } = useSWR(hasAuthCookie ? '/api/v1/me' : null, fetcher);

  return {
    data,
    error,
    loading: isMounted && isValidating,
    ...rest
  }
}