33 lines
1.2 KiB
TypeScript
33 lines
1.2 KiB
TypeScript
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import type { MetadataRoute } from 'next';
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import { getConfigOrNull } from '@/lib/config';
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import { buildSiteShape } from '@/lib/siteShape';
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import { publicPaths } from '@/lib/publicPages';
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import { absoluteUrl } from '@/lib/siteUrl';
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/**
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* sitemap.xml (#472).
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*
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* What goes in is decided by `publicPaths()`, the same function the feed uses,
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* because a sitemap lists exactly what access control otherwise hides and a
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* second implementation of that judgement would eventually disagree with the
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* first.
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*/
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export const dynamic = 'force-dynamic';
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export default async function sitemap(): Promise<MetadataRoute.Sitemap> {
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const config = getConfigOrNull();
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// A sitemap needs absolute URLs and this route has no request context to
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// derive a host from. Without a configured site URL there is nothing valid
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// to emit, and an empty sitemap is better than a wrong one.
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if (!config?.siteUrl) return [];
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const shape = await buildSiteShape().catch(() => null);
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if (!shape) return [];
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return publicPaths(shape).flatMap((path) => {
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const url = absoluteUrl(config.siteUrl, path);
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return url ? [{ url, changeFrequency: 'weekly' as const }] : [];
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});
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}
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