import { useEffect, useState } from 'react';
  import io from 'socket.io-client';

  const socket = io('http://localhost:5000');

  function Dashboard() {
    const [data, setData] = useState({});
    
    useEffect(() => {
      socket.on('data-update', (newData) => {
        setData(newData);
      });
      
      return () => {
        socket.off('data-update');
      };
    }, []);
    
    // Render your dashboard with data
  }