documenso/apps/remix/app/routes/embed+/_layout.tsx

import { Outlet, isRouteErrorResponse, useRouteError } from 'react-router';

import { EmbedAuthenticationRequired } from '~/components/embed/embed-authentication-required';
import { EmbedPaywall } from '~/components/embed/embed-paywall';

export default function Layout() {
  return <Outlet />;
}

export function ErrorBoundary() {
  const error = useRouteError();

  if (isRouteErrorResponse(error)) {
    if (error.status === 401 && error.data.type === 'embed-authentication-required') {
      return (
        <EmbedAuthenticationRequired email={error.data.email} returnTo={error.data.returnTo} />
      );
    }

    if (error.status === 403 && error.data.type === 'embed-paywall') {
      return <EmbedPaywall />;
    }
  }

  return <div>Not Found</div>;
}