I'm building a personal static site that renders book covers based on dynamic content. In order to fetch the book cover images, I'm using theOpenLibrary API along with a custom file route.

// src/routes/isbn/$isbn.tsimport{createFileRoute}from"@tanstack/react-router";exportconstRoute=createFileRoute("/isbn/$isbn")({server:{handlers:{GET:async({ params})=>{returnfetch(`https://covers.openlibrary.org/b/isbn/${params.isbn}-L.jpg`);},},},});

This works great in development mode, but fails when I pre-render the site (prerender: { enabled: true, crawlLinks: true }), it fails because images are not crawled. It would be awesome if they could be. 🙂