chore: Update astro.config.mjs with sitemap integration

astro.config.mjs

@@ -2,12 +2,14 @@ import { defineConfig, passthroughImageService } from 'astro/config';
 import tailwind from "@astrojs/tailwind";
 import mdx from '@astrojs/mdx';
 
+import sitemap from "@astrojs/sitemap";
+
 // https://astro.build/config
 export default defineConfig({
-  integrations: [tailwind(), mdx()],
+  integrations: [tailwind(), mdx(), sitemap()],
   site: 'https://rnd332.com',
   build: {
-     inlineStylesheets: 'always',
+    inlineStylesheets: 'always'
   },
   image: {
     service: passthroughImageService()

package.json

@@ -13,6 +13,7 @@
     "@astrojs/check": "^0.7.0",
     "@astrojs/mdx": "^3.1.0",
     "@astrojs/react": "^3.4.0",
+    "@astrojs/sitemap": "^3.1.5",
     "@astrojs/tailwind": "^5.1.0",
     "@types/react": "^18.3.3",
     "@types/react-dom": "^18.3.0",

src/layouts/Layout.astro

@@ -25,6 +25,7 @@ const pages: Array<Page> = [
 			href="https://fonts.googleapis.com/css2?family=Inconsolata:[email protected]&display=swap"
 			rel="preconnect"
 		/>
+		<link rel="sitemap" type="application/xml" href="/sitemap-0.xml" />
 		<meta name="generator" content={Astro.generator} />
 		<title>RND</title>
 		<ViewTransitions />

src/pages/robots.txt.ts

@@ -0,0 +1,16 @@
+import type { APIRoute } from 'astro';
+
+const robotsTxt = `
+User-agent: *
+Allow: /
+
+Sitemap: ${new URL('sitemap-index.xml', import.meta.env.SITE).href}
+`.trim();
+
+export const GET: APIRoute = () => {
+  return new Response(robotsTxt, {
+    headers: {
+      'Content-Type': 'text/plain; charset=utf-8',
+    },
+  });
+};