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feat: Batch 3 infrastructure — sitemap, RSS, generic pages, 404 (#673)
Completes core page migration with infrastructure endpoints:\n\n- /sitemap.xml — dynamic from Sanity, all 6 content types, _updatedAt lastmod, priority tiers\n- /rss.xml — blog RSS 2.0 feed (latest 20 posts) with Atom self-link\n- /podcast/rss.xml — podcast RSS feed (latest 20 episodes)\n- /[slug] — generic Sanity pages with reserved slug guard\n- /404 — custom not found page\n\nRSS auto-discovery links added to BaseLayout head. XML-safe escaping on all text content. Cache-Control: 1 hour on all XML endpoints.\n\nThis completes the core page migration — 16 pages/endpoints across 3 batches."
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‎apps/web/src/layouts/BaseLayout.astro‎

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@@ -16,6 +16,8 @@ const { title, description = "CodingCat.dev — Purrfect Web Tutorials" } = Astr
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<meta name="viewport" content="width=device-width, initial-scale=1.0" />
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<meta name="description" content={description} />
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<link rel="icon" type="image/svg+xml" href="/favicon.svg" />
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<link rel="alternate" type="application/rss+xml" title="CodingCat.dev Blog" href="/rss.xml" />
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<link rel="alternate" type="application/rss+xml" title="CodingCat.dev Podcast" href="/podcast/rss.xml" />
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<title>{title}</title>
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</head>
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<body class="min-h-screen flex flex-col">

‎apps/web/src/lib/queries.ts‎

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@@ -184,3 +184,28 @@ export const sponsorQuery = groq`*[_type == "sponsor" && slug.current == $slug][
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},
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}
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}`;
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// Sitemap
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export const sitemapQuery = groq`*[_type in ["author", "guest", "page", "podcast", "post", "sponsor"] && defined(slug.current)] | order(_type asc) {
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_type,
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_updatedAt,
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"slug": slug.current,
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}`;
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// Generic pages (Sanity "page" type)
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export const pageQuery = groq`*[_type == "page" && slug.current == $slug][0] {
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${baseFields},
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${contentFields}
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}`;
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// RSS feeds
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export const rssPostsQuery = groq`*[_type == "post" && defined(slug.current)] | order(date desc) [0...20] {
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${baseFields},
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${contentFields}
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}`;
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export const rssPodcastsQuery = groq`*[_type == "podcast" && defined(slug.current)] | order(date desc) [0...20] {
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${baseFields},
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${contentFields}
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}`;

‎apps/web/src/pages/404.astro‎

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---
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import BaseLayout from "@/layouts/BaseLayout.astro";
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---
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<BaseLayout title="Page Not Found — CodingCat.dev">
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<main class="container mx-auto px-4 py-16 text-center">
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<h1 class="text-6xl font-bold mb-4">404</h1>
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<p class="text-xl text-gray-600 mb-8">
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This page has gone on a catnap. 😸
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</p>
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<div class="space-x-4">
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<a href="/" class="px-6 py-3 bg-blue-600 text-white rounded-lg hover:bg-blue-700 transition-colors">
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Go Home
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</a>
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<a href="/blog" class="px-6 py-3 border rounded-lg hover:bg-gray-50 transition-colors">
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Browse Blog
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</a>
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</div>
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</main>
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</BaseLayout>

‎apps/web/src/pages/[slug].astro‎

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---
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import BaseLayout from "@/layouts/BaseLayout.astro";
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import { PortableText } from "astro-portabletext";
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import { sanityFetch, urlForImage } from "@/utils/sanity";
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import { pageQuery } from "@/lib/queries";
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export const prerender = false;
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const { slug } = Astro.params;
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// Don't catch known routes — let them fall through to their own handlers
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const reservedSlugs = ["blog", "podcasts", "authors", "guests", "sponsors", "login", "dashboard", "rss.xml", "sitemap.xml"];
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if (reservedSlugs.includes(slug!)) {
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return Astro.redirect(`/${slug}`);
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}
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const page = await sanityFetch<any>(pageQuery, { slug });
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if (!page) {
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return new Response(null, { status: 404 });
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}
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const coverUrl = page.coverImage
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? urlForImage(page.coverImage).width(1200).height(630).format("webp").url()
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: null;
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---
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<BaseLayout title={`${page.title} — CodingCat.dev`} description={page.excerpt}>
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<article class="container mx-auto px-4 py-8 max-w-4xl">
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<h1 class="text-4xl font-bold mb-8">{page.title}</h1>
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{coverUrl && (
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<img
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src={coverUrl}
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alt={page.title}
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width={1200}
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height={630}
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class="w-full rounded-lg mb-8"
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/>
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)}
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<div class="prose prose-lg max-w-none">
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{page.content && <PortableText value={page.content} />}
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</div>
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</article>
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</BaseLayout>

‎apps/web/src/pages/podcast/rss.xml.ts‎

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import type { APIRoute } from "astro";
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import { sanityFetch } from "@/utils/sanity";
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import { rssPodcastsQuery } from "@/lib/queries";
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export const prerender = false;
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function escapeXml(str: string): string {
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return str
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.replace(/&/g, "&amp;")
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.replace(/</g, "&lt;")
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.replace(/>/g, "&gt;")
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.replace(/"/g, "&quot;")
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.replace(/'/g, "&apos;");
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}
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export const GET: APIRoute = async () => {
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const site = "https://codingcat.dev";
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const podcasts = await sanityFetch<any[]>(rssPodcastsQuery);
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const items = podcasts.map((podcast) => ` <item>
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<title>${escapeXml(podcast.title)}</title>
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<link>${site}/podcast/${podcast.slug}</link>
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<guid>${site}/podcast/${podcast.slug}</guid>
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<pubDate>${new Date(podcast.date).toUTCString()}</pubDate>
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${podcast.excerpt ? `<description>${escapeXml(podcast.excerpt)}</description>` : ""}
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</item>`).join("\n");
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const xml = `<?xml version="1.0" encoding="UTF-8"?>
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<rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom">
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<channel>
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<title>CodingCat.dev Podcast</title>
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<link>${site}/podcasts</link>
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<description>Purrfect Web Development Podcast</description>
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<language>en-us</language>
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<atom:link href="${site}/podcast/rss.xml" rel="self" type="application/rss+xml"/>
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${items}
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</channel>
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</rss>`;
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return new Response(xml, {
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headers: {
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"Content-Type": "application/rss+xml",
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"Cache-Control": "public, max-age=3600",
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},
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});
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};

‎apps/web/src/pages/rss.xml.ts‎

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import type { APIRoute } from "astro";
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import { sanityFetch } from "@/utils/sanity";
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import { rssPostsQuery } from "@/lib/queries";
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export const prerender = false;
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function escapeXml(str: string): string {
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return str
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.replace(/&/g, "&amp;")
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.replace(/</g, "&lt;")
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.replace(/>/g, "&gt;")
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.replace(/"/g, "&quot;")
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.replace(/'/g, "&apos;");
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}
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export const GET: APIRoute = async () => {
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const site = "https://codingcat.dev";
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const posts = await sanityFetch<any[]>(rssPostsQuery);
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const items = posts.map((post) => ` <item>
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<title>${escapeXml(post.title)}</title>
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<link>${site}/post/${post.slug}</link>
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<guid>${site}/post/${post.slug}</guid>
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<pubDate>${new Date(post.date).toUTCString()}</pubDate>
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${post.excerpt ? `<description>${escapeXml(post.excerpt)}</description>` : ""}
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</item>`).join("\n");
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const xml = `<?xml version="1.0" encoding="UTF-8"?>
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<rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom">
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<channel>
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<title>CodingCat.dev Blog</title>
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<link>${site}/blog</link>
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<description>Purrfect Web Development Tutorials</description>
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<language>en-us</language>
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<atom:link href="${site}/rss.xml" rel="self" type="application/rss+xml"/>
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${items}
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</channel>
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</rss>`;
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return new Response(xml, {
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headers: {
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"Content-Type": "application/rss+xml",
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"Cache-Control": "public, max-age=3600",
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},
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});
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};

‎apps/web/src/pages/sitemap.xml.ts‎

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import type { APIRoute } from "astro";
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import { sanityFetch } from "@/utils/sanity";
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import { sitemapQuery } from "@/lib/queries";
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export const prerender = false;
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interface SitemapItem {
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_type: string;
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_updatedAt: string;
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slug: string;
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}
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function getPath(item: SitemapItem): string {
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if (item._type === "page") return `/${item.slug}`;
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return `/${item._type}/${item.slug}`;
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}
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export const GET: APIRoute = async () => {
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const site = "https://codingcat.dev";
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const items = await sanityFetch<SitemapItem[]>(sitemapQuery);
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const staticPages = [
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{ url: site, lastmod: new Date().toISOString(), priority: "1.0" },
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{ url: `${site}/blog`, lastmod: new Date().toISOString(), priority: "0.8" },
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{ url: `${site}/podcasts`, lastmod: new Date().toISOString(), priority: "0.8" },
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{ url: `${site}/authors`, lastmod: new Date().toISOString(), priority: "0.5" },
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{ url: `${site}/guests`, lastmod: new Date().toISOString(), priority: "0.5" },
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{ url: `${site}/sponsors`, lastmod: new Date().toISOString(), priority: "0.5" },
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];
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const dynamicPages = items.map((item) => ({
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url: `${site}${getPath(item)}`,
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lastmod: item._updatedAt || new Date().toISOString(),
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priority: item._type === "post" || item._type === "podcast" ? "0.7" : "0.5",
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}));
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const allPages = [...staticPages, ...dynamicPages];
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const xml = `<?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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${allPages.map((p) => ` <url>
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<loc>${p.url}</loc>
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<lastmod>${p.lastmod}</lastmod>
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<priority>${p.priority}</priority>
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</url>`).join("\n")}
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</urlset>`;
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return new Response(xml, {
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headers: {
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"Content-Type": "application/xml",
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"Cache-Control": "public, max-age=3600",
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},
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});
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};

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