protected routes in next js example

Example: next js protected routes

export async function getServerSideProps({ req, res }) {
  const { Auth } = withSSRContext({ req })
  try {
    const user = await Auth.currentAuthenticatedUser()
    return {
      props: {
        authenticated: true,
        username: user.username
      }
    }
  } catch (err) {
    res.writeHead(302, { Location: '/profile' })
    res.end()
  }
  return {props: {}}
}

export default Protected