Check auth status in NextJS Server Action?

import { createBrowserClient } from "@supabase/ssr";
const supabaseUrl = process.env.NEXT_PUBLIC_SUPABASE_URL!!;
const supabaseKey = process.env.NEXT_PUBLIC_SUPABASE_ANON_KEY!!;
const supabase = createBrowserClient(supabaseUrl, supabaseKey);
export default supabase;

'use server'
import { createServerClient, type CookieOptions } from "@supabase/ssr";
import { cookies } from "next/headers";

export async function serverAction(){
  const cookieStore = cookies();
  const supabase = createServerClient(supabaseUrl, supabaseKey, {
    cookies: {
      get(name: string) {
        return cookieStore.get(name)?.value;
      },
      set(name: string, value: string, options: CookieOptions) {
        cookieStore.set({ name, value, ...options });
      },
      remove(name: string, options: CookieOptions) {
        cookieStore.set({ name, value: "", ...options });
      },
    },
  });
  console.log(supabase)
}

if(supabase.isLoggedIn){
  expensiveApiCall()
}