After jwt verification the state change is not presisting - node.js

Question

So on the front end I'm using this function to have the user Log In if they have a This Function only works at the time of log in and after if the users just navigates to a different page on the site then it resets the userData state's values to undefined, The api link "http://localhost:5000/users/isTokenValid" returns either true or false
const [adminData, setAdminData] = useState({
token: undefined,
user: undefined,
});
const [authData, setAuthData] = useState(undefined);
const [userData, setUserData] = useState({
token: undefined,
user: undefined,
});
useEffect(() => {
const checkLoggedIn = async () => {
let token = localStorage.getItem('auth-token');
if (token === null) {
localStorage.setItem('auth-token', '');
token = '';
}
const tokenRes = await axios.post(
'http://localhost:5000/users/isTokenValid',
null,
{ headers: { 'x-auth-token': token } },
);
if (tokenRes.data) {
const userRes = axios.get('http://localhost:5000/users/', {
headers: { 'x-auth-token': token },
});
setUserData({
token,
user: userRes.data,
});
}
};
checkLoggedIn();
}, []);
return (
<UserContext.Provider value={{ userData, setUserData }}>
<AdminContext.Provider value={{ adminData, setAdminData }}>
<AuthContext.Provider value={{ authData, setAuthData }}>
<Routes />
</AuthContext.Provider>
</AdminContext.Provider>
</UserContext.Provider>
);

Answer 1

I didn't add await.
if (tokenRes.data) {
const userRes = await axios.get('http://localhost:5000/users/', {
headers: { 'x-auth-token': token },
});
setUserData({
token,
user: userRes.data,
});
}