Michael Freno
e9aa987b94
Refactor sitemap.xml route to read the Host header, determine the active site, and produce a sitemap scoped to that site's routes with canonical URLs. Extracts route definitions and XML generation into shared modules.
45 lines
1.3 KiB
TypeScript
45 lines
1.3 KiB
TypeScript
/**
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* Pure utilities for generating sitemap XML.
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*
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* Extracted from the route handler so the logic can be unit-tested without
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* spinning up an HTTP server.
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*/
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import type { Site } from "./site-context";
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import type { SitemapEntry } from "./sitemap-routes";
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/**
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* Escape a string for safe XML attribute / text content embedding.
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*/
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function xmlEscape(s: string): string {
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return s
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.replace(/&/g, "&")
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.replace(/</g, "<")
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.replace(/>/g, ">")
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.replace(/"/g, """)
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.replace(/'/g, "'");
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}
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/**
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* Generate a single `<url>` element for a given entry on a site.
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*/
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export function urlElement(site: Site, entry: SitemapEntry): string {
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const loc = `https://${site.domain}${entry.path}`;
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return ` <url>
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<loc>${xmlEscape(loc)}</loc>
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<lastmod>${new Date().toISOString()}</lastmod>
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<changefreq>${xmlEscape(entry.changefreq)}</changefreq>
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<priority>${entry.priority.toFixed(1)}</priority>
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</url>`;
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}
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/**
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* Generate the full sitemap XML for a given site and its route entries.
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*/
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export function generateSitemap(site: Site, entries: SitemapEntry[]): string {
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const urls = entries.map((e) => urlElement(site, e)).join("\n");
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return `<?xml version="1.0" encoding="UTF-8"?>
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<urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9">
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${urls}
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</urlset>`;
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}
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