CODE EXAMPLE FOR JAVASCRIPT

usecallback hook

//useCallback to remove too much re-render  
const checkFromLocalStorage = useCallback(() => {
    if (localStorage.getItem('connectedWallet')) {
      //check connectWallet with switch
      switch (localStorage.getItem('connectedWallet')) {
        case 'walletConnect':
          activate(WalletConnect);
        case 'metamask':
          activate(Injected);
        default:
      }
    }
  }, [active]);

  useEffect(() => {
    checkFromLocalStorage();
  }, [active]);