feat: preload fonts (#13068)

web/src/hooks.server.ts

@@ -0,0 +1,12 @@
+import overpass from '$lib/assets/fonts/overpass/Overpass.ttf?url';
+import overpassMono from '$lib/assets/fonts/overpass/OverpassMono.ttf?url';
+import type { Handle } from '@sveltejs/kit';
+
+// only used during the build to replace the variables from app.html
+export const handle = (async ({ event, resolve }) => {
+  return resolve(event, {
+    transformPageChunk: ({ html }) => {
+      return html.replace('%app.font%', overpass).replace('%app.monofont%', overpassMono);
+    },
+  });
+}) satisfies Handle;