wehub-resource-sync
59 lines
1.9 KiB
TypeScript
59 lines
1.9 KiB
TypeScript
import type { Context } from 'https://edge.netlify.com';
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/**
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* Proxies the per-source sitemaps referenced by the root sitemap index
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* (see `scripts/patch-sitemap-index.mjs` for the `additionalSitemaps` list)
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* and rewrites URLs from the source origin to nx.dev.
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*
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* Separate from the main Framer proxy so that proxy can keep
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* `accept: ['text/html']` for compute cost savings.
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*
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* Routing:
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* /sitemap-1.xml -> NEXT_PUBLIC_FRAMER_URL + /sitemap.xml
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* /sitemap-2.xml -> BLOG_URL + /blog/sitemap.xml
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*/
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const sources: Record<string, { envVar: string; path: string }> = {
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'/sitemap-1.xml': { envVar: 'NEXT_PUBLIC_FRAMER_URL', path: '/sitemap.xml' },
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'/sitemap-2.xml': { envVar: 'BLOG_URL', path: '/blog/sitemap.xml' },
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};
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export default async function handler(
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request: Request,
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context: Context
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): Promise<Response> {
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const pathname = new URL(request.url).pathname;
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const source = sources[pathname];
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if (!source) return context.next();
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const origin = Netlify.env.get(source.envVar);
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if (!origin) return context.next();
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const response = await fetch(new URL(source.path, origin).toString(), {
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headers: {
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'User-Agent': request.headers.get('User-Agent') || '',
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Accept: request.headers.get('Accept') || 'application/xml',
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},
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});
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if (!response.ok) {
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return new Response('Sitemap not available', { status: 502 });
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}
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const xml = await response.text();
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const rewrittenXml = xml.replaceAll(origin, 'https://nx.dev');
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const newHeaders = new Headers(response.headers);
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newHeaders.set('content-type', 'application/xml; charset=utf-8');
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newHeaders.set('x-nx-edge-function', 'additional-sitemaps');
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newHeaders.set('Cache-Control', 'public, max-age=3600, must-revalidate');
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return new Response(rewrittenXml, {
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status: 200,
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headers: newHeaders,
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});
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}
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export const config = {
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path: ['/sitemap-1.xml', '/sitemap-2.xml'],
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};
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