58 lines
2.7 KiB
JavaScript
58 lines
2.7 KiB
JavaScript
/**
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* Serializes sitemap entries to a clean, indented XML STRING — valid for crawlers
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* and readable in the browser as the native XML tree (indented, collapsible,
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* syntax-highlighted by the browser itself).
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*
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* NO XSLT stylesheet: browsers (Chrome et al.) are REMOVING XSLT support, so a
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* <?xml-stylesheet?> approach is a dead end — it shows a deprecation warning now
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* and will break soon. Instead we serve plain XML with the correct Content-Type;
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* the browser renders its built-in formatted XML view (the "code tree" look) with
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* no transformation needed.
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*
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* // app/sitemap.xml/route.ts
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* import { buildSitemapXml } from '@intecion/ipal-kit'
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* import { sitemap } from '@/lib/content'
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* export const dynamic = 'force-dynamic'
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* export async function GET() {
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* const entries = await sitemap()
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* const xml = buildSitemapXml(entries)
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* return new Response(xml, {
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* headers: { 'Content-Type': 'application/xml; charset=utf-8' },
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* })
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* }
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*
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* The indentation makes the raw XML pleasant to read; the browser's default XML
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* viewer adds the tree/fold UI. Crawlers read the XML as usual.
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*
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* NOTE: if you use this custom route, DON'T also keep app/sitemap.ts — pick one
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* (this route OR the Next MetadataRoute). Two sitemaps confuse crawlers.
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*/ export function buildSitemapXml(entries) {
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const esc = (s)=>s.replace(/&/g, '&').replace(/</g, '<').replace(/>/g, '>').replace(/"/g, '"').replace(/'/g, ''');
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const urls = entries.map((e)=>{
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const parts = [
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` <loc>${esc(e.url)}</loc>`
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];
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if (e.lastModified) {
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const iso = e.lastModified instanceof Date ? e.lastModified.toISOString() : String(e.lastModified);
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parts.push(` <lastmod>${esc(iso)}</lastmod>`);
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}
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if (e.changeFrequency) {
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parts.push(` <changefreq>${e.changeFrequency}</changefreq>`);
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}
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if (typeof e.priority === 'number') {
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parts.push(` <priority>${e.priority}</priority>`);
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}
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const alternates = e.alternates?.languages;
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if (alternates) {
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for (const [lang, href] of Object.entries(alternates)){
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if (typeof href === 'string') {
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parts.push(` <xhtml:link rel="alternate" hreflang="${esc(lang)}" href="${esc(href)}"/>`);
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}
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}
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}
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return ` <url>\n${parts.join('\n')}\n </url>`;
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}).join('\n');
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return `<?xml version="1.0" encoding="UTF-8"?>\n` + `<urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9" ` + `xmlns:xhtml="http://www.w3.org/1999/xhtml">\n` + urls + `\n</urlset>`;
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}
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//# sourceMappingURL=buildSitemapXml.js.map
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