next.js/examples/auth0/pages/_app.tsx

import { UserProvider } from "@auth0/nextjs-auth0/client";

export default function App({ Component, pageProps }) {
  // optionally pass the 'user' prop from pages that require server-side
  // rendering to prepopulate the 'useUser' hook.

  const { user } = pageProps;

  return (
    <UserProvider user={user}>
      <Component {...pageProps} />
    </UserProvider>
  );
}