ik
3ea08fa706
- Add trailingSlash: 'never' to Astro config - Normalize sitemap paths to never use trailing slash - Ensures consistent canonical URLs across all pages - Prevents duplicate content from / vs /path/ variants
37 lines
2.2 KiB
TypeScript
37 lines
2.2 KiB
TypeScript
import type { APIRoute } from "astro";
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import { api, type DictionaryItem } from "../lib/api";
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const escapeXml = (value: string) => value.replace(/[<>&'"]/g, c => ({ "<": "<", ">": ">", "&": "&", "'": "'", '"': """ })[c] ?? c);
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let lastGood: { origin: string; xml: string; at: number } | undefined;
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export const GET: APIRoute = async ({ site }) => {
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const origin = site?.origin ?? "https://rf4spotter.ru";
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const output = (xml: string) => new Response(xml, { headers: { "Content-Type": "application/xml; charset=utf-8", "Cache-Control": "public, max-age=1800" } });
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if (lastGood?.origin === origin && Date.now() - lastGood.at < 1800000) return output(lastGood.xml);
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try {
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const paths = new Set(["/", "/records", "/report", "/status", "/rules", "/privacy", "/fish", "/waterbodies"]);
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for (const [endpoint, prefix] of [["fishes", "fish"], ["waterbodies", "waterbodies"]]) {
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for (let offset = 0; ; offset += 500) {
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const rows = await api<DictionaryItem[]>(`/api/v1/${endpoint}?limit=500&offset=${offset}`);
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rows.forEach(row => paths.add(`/${prefix}/${row.slug}`));
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if (paths.size > 49000) throw new Error("Sitemap index required");
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if (rows.length < 500) break;
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}
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}
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for (let offset = 0; ; offset += 500) {
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const rows = await api<string[]>(`/api/v1/public-spot-pages?limit=500&offset=${offset}`);
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rows.forEach(path => paths.add(path));
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if (paths.size > 49000) throw new Error("Sitemap index required");
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if (rows.length < 1000) break;
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}
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// Normalize paths: never use trailing slash (S03)
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const normalized = [...paths].map(p => p.replace(/\/$/, "") || "/");
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const xml = `<?xml version="1.0" encoding="UTF-8"?><urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9">${normalized.map(path => `<url><loc>${escapeXml(new URL(path, origin).toString())}</loc></url>`).join("")}</urlset>`;
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lastGood = { origin, xml, at: Date.now() };
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return output(xml);
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} catch {
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if (lastGood?.origin === origin) return output(lastGood.xml);
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return new Response("Sitemap temporarily unavailable", { status: 503, headers: { "Retry-After": "60", "Cache-Control": "no-store" } });
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}
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};
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