login code
import React , { useState } from 'react' ; import axios from 'axios' ; import { useNavigate } from 'react-router-dom' ; import './App.css' ; const LoginPage = ({ setUserName }) => { const [ userName , setUserNameInput ] = useState ( '' ); const [ password , setPassword ] = useState ( '' ); const [ showPassword , setShowPassword ] = useState ( false ); const navigate = useNavigate (); const validateInput = () => { if ( ! userName || ! password ) { alert ( 'Please enter a valid username and password.' ); setUserNameInput ( '' ); setPassword ( '' ); return false ; } return true ; }; // ✅ Sign Up only stores username & password in the database const handleSignup = async () => { if ( ! validateInput ()) return ; try { ...