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school_compare/nextjs-app/lib/sitemapProxy.ts
TudorandClaude Opus 5 2208ad93c1
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feat(seo): split the sitemap into a per-family index
Search Console reports coverage per submitted sitemap, so one file per page
family is what will make W2's location pages measurable when they land. The
index's lastmod is generation time, which is the correct semantic there —
unlike on a <url>, where it would be a claim we cannot support.

Children sit under /sitemaps/ because Next only treats a whole bracketed path
segment as dynamic; a route folder named sitemap-[...parts] would be read as a
literal static segment and never match. Confirmed by the build output, which
lists /sitemaps/[...parts] as a dynamic route.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_015mWQnpye9F299NVRCCSRvj
2026-08-20 23:15:00 +01:00

30 lines
1.1 KiB
TypeScript

/**
* Runtime proxy for the sitemap family → the FastAPI backend.
*
* Like the /api/* proxy, this reads FASTAPI_URL at request time rather than
* baking the backend host into the build, so one image works in every
* environment. robots.ts points crawlers at /sitemap.xml, which is the index;
* the index names children under /sitemaps/, which land on the same proxy.
*/
import { NextResponse } from 'next/server';
function backendOrigin(): string {
const base = process.env.FASTAPI_URL || process.env.NEXT_PUBLIC_API_URL || 'http://localhost:8000/api';
return base.replace(/\/api$/, '');
}
export async function proxySitemap(path: string): Promise<NextResponse> {
let upstream: Response;
try {
upstream = await fetch(`${backendOrigin()}${path}`, { cache: 'no-store' });
} catch {
return new NextResponse('Sitemap temporarily unavailable', { status: 502 });
}
const body = await upstream.text();
return new NextResponse(body, {
status: upstream.status,
headers: { 'content-type': upstream.headers.get('content-type') || 'application/xml' },
});
}