another workaround

Author: dummdidumm

apps/svelte.dev/src/routes/e/[code]/+page.server.ts

@@ -19,8 +19,8 @@ import { error, redirect } from '@sveltejs/kit';
 // }
 
 export async function load({ params, fetch }) {
-	const codes: Record<string, Record<string, string[]>> = await fetch('/e/codes.json').then((r) =>
-		r.json()
+	const codes: Record<string, Record<string, string[]>> = await fetch('/e/tmp/codes.json').then(
+		(r) => r.json()
 	);
 
 	for (const url of Object.keys(codes)) {

apps/svelte.dev/src/routes/e/codes.json/+server.ts renamed to apps/svelte.dev/src/routes/e/tmp/codes.json/+server.ts

@@ -2,6 +2,8 @@ import { index } from '$lib/server/content';
 import { json } from '@sveltejs/kit';
 
 // Temporary workaround for the problem described in [code]/+page.server.ts
+// In a nested folder because of https://github.com/sveltejs/kit/issues/12778
+
 const reference = index['docs/svelte/reference'].children.filter(
 	(child) => child.slug.endsWith('-errors') || child.slug.endsWith('-warnings')
 );