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import { useState } from 'react';

export default function Home({ initialData }) {
  const [data, setData] = useState(initialData);

  // Function to refresh data from the API
  async function refreshData() {
    const response = await fetch('/api/data');
    const newData = await response.json();
    setData(newData.data);
  }

  return (
    <div>
      <h1>Welcome to Next.js!</h1>
      <p>Data from API: {data.join(', ')}</p>
      <button onClick={refreshData}>Refresh Data</button>
    </div>
  );
}

// This function runs on the server for initial page load
export async function getServerSideProps() {
  const response = await fetch('http://localhost:3000/api/data');
  const initialData = await response.json();

  return { props: { initialData: initialData.data } };
}