Protected pre-rendered routes

[hyunbinseo]

Describe the problem

I have an expensive static page which also happens to be a protected route.

I would love to prerender the page, but then it is not handled by SvelteKit.

Requests for static assets — which includes pages that were already prerendered — are not handled by SvelteKit.

https://kit.svelte.dev/docs/hooks#server-hooks-handle

Describe the proposed solution

1. Add another page option in +page|layout.server.ts such as server: true.
2. Add another value for the current prerender option such as protected.
3. (Breaking) Convert the page prerender option into an object?

type Prerender = { enabled: boolean; protected: boolean };

https://kit.svelte.dev/docs/page-options#prerender

I am sure there are other usage then protected, but it seemed the most intuitive.

Alternatives considered

No response

Importance

would make my life easier

Additional Information

No response

[hyunbinseo]

Will be implemented in #13477

Unlike the handle hook, middleware runs on all requests, including for static assets and prerendered pages. If using server-side route resolution this means it runs prior to all navigations, no matter client- or server-side.

[hyunbinseo]

Until middleware is implemented, the underlying static data can be protected using import.meta.glob in a server-only module:

// src/routes/[slug]/+page.server.ts

import { error } from '@sveltejs/kit';

const htmlModules = import.meta.glob<string>('./*.html', { query: '?raw', import: 'default' });

const loadHtml = (slug: string) => {
  const htmlLoader = htmlModules[`./${slug}.html`];
  if (!htmlLoader) error(404);
  return htmlLoader();
};

export const load = async ({ locals, params: { slug } }) => {
  if (!locals.session) error(401);
  return { html: await loadHtml(slug) };
};

<!-- src/routes/[slug]/lorem.html -->
<p>Lorem ipsum dolor sit amet, consectetur adipiscing elit.</p>

<!-- src/routes/[slug]/mauris.html -->
<p>Mauris sollicitudin dignissim rutrum. Pellentesque eu tellus et est vestibulum fermentum.</p>

It gets converted into a server chunk (unlike Vite static asset import)

// .svelte-kit/output/server/chunks/lorem.js
const lorem = "<p>Lorem ipsum dolor sit amet, consectetur adipiscing elit.</p>";
export {
  lorem as default
};