import { useDispatch } from ‘react-redux’;

const dispatch = useDispatch();

const fetchUser = async (dispatch) => {
  const user = await fetch('https://api.example.com/user/1');
  dispatch({ type: 'FETCH_USER', payload: user });
};

Fetch User

why thunk should be used

in here onClick of a button onClick={fetchUser} this is being done?.in here the dispatch will occur
then whats the use of thunk
in when should i write thunks