Need help in ReactJS useState value getting null/undefined outside the axios response .

useState first time value getting null . i.e -
pagename -- config.js & code below ---

import { useEffect, useState } from "react";
import axios from "axios";

const[uid, setUid] = useState("");


axios.get('https://reqres.in/api/users/1').then(res=>{

setUid(res.data.id) //suppose here is id value set

})


// I want uid value here to export

export const userid = { id: uid }; //here uid getting null value first time .