docs: add sitemap.xml

apps/docs/public/robots.txt

@@ -1,3 +1,4 @@
 # https://www.robotstxt.org/robotstxt.html
 User-agent: *
 Disallow:
+Sitemap: https://zerobyte.app/sitemap.xml

apps/docs/src/routeTree.gen.ts

@@ -9,10 +9,16 @@
 // Additionally, you should also exclude this file from your linter and/or formatter to prevent it from being checked or modified.
 
 import { Route as rootRouteImport } from './routes/__root'
+import { Route as SitemapDotxmlRouteImport } from './routes/sitemap[.]xml'
 import { Route as IndexRouteImport } from './routes/index'
 import { Route as DocsSplatRouteImport } from './routes/docs/$'
 import { Route as ApiSearchRouteImport } from './routes/api/search'
 
+const SitemapDotxmlRoute = SitemapDotxmlRouteImport.update({
+  id: '/sitemap.xml',
+  path: '/sitemap.xml',
+  getParentRoute: () => rootRouteImport,
+} as any)
 const IndexRoute = IndexRouteImport.update({
   id: '/',
   path: '/',
@@ -31,36 +37,47 @@ const ApiSearchRoute = ApiSearchRouteImport.update({
 
 export interface FileRoutesByFullPath {
   '/': typeof IndexRoute
+  '/sitemap.xml': typeof SitemapDotxmlRoute
   '/api/search': typeof ApiSearchRoute
   '/docs/$': typeof DocsSplatRoute
 }
 export interface FileRoutesByTo {
   '/': typeof IndexRoute
+  '/sitemap.xml': typeof SitemapDotxmlRoute
   '/api/search': typeof ApiSearchRoute
   '/docs/$': typeof DocsSplatRoute
 }
 export interface FileRoutesById {
   __root__: typeof rootRouteImport
   '/': typeof IndexRoute
+  '/sitemap.xml': typeof SitemapDotxmlRoute
   '/api/search': typeof ApiSearchRoute
   '/docs/$': typeof DocsSplatRoute
 }
 export interface FileRouteTypes {
   fileRoutesByFullPath: FileRoutesByFullPath
-  fullPaths: '/' | '/api/search' | '/docs/$'
+  fullPaths: '/' | '/sitemap.xml' | '/api/search' | '/docs/$'
   fileRoutesByTo: FileRoutesByTo
-  to: '/' | '/api/search' | '/docs/$'
+  to: '/' | '/sitemap.xml' | '/api/search' | '/docs/$'
-  id: '__root__' | '/' | '/api/search' | '/docs/$'
+  id: '__root__' | '/' | '/sitemap.xml' | '/api/search' | '/docs/$'
   fileRoutesById: FileRoutesById
 }
 export interface RootRouteChildren {
   IndexRoute: typeof IndexRoute
+  SitemapDotxmlRoute: typeof SitemapDotxmlRoute
   ApiSearchRoute: typeof ApiSearchRoute
   DocsSplatRoute: typeof DocsSplatRoute
 }
 
 declare module '@tanstack/react-router' {
   interface FileRoutesByPath {
+    '/sitemap.xml': {
+      id: '/sitemap.xml'
+      path: '/sitemap.xml'
+      fullPath: '/sitemap.xml'
+      preLoaderRoute: typeof SitemapDotxmlRouteImport
+      parentRoute: typeof rootRouteImport
+    }
     '/': {
       id: '/'
       path: '/'
@@ -87,6 +104,7 @@ declare module '@tanstack/react-router' {
 
 const rootRouteChildren: RootRouteChildren = {
   IndexRoute: IndexRoute,
+  SitemapDotxmlRoute: SitemapDotxmlRoute,
   ApiSearchRoute: ApiSearchRoute,
   DocsSplatRoute: DocsSplatRoute,
 }

apps/docs/src/routes/sitemap[.]xml.ts

@@ -0,0 +1,39 @@
+import { createFileRoute } from "@tanstack/react-router";
+
+import { source } from "@/lib/source";
+
+const siteUrl = "https://zerobyte.app";
+
+function escapeXml(value: string) {
+	return value
+		.replaceAll("&", "&")
+		.replaceAll("<", "&lt;")
+		.replaceAll(">", "&gt;")
+		.replaceAll('"', "&quot;")
+		.replaceAll("'", "&apos;");
+}
+
+function buildSitemapXml(urls: string[]) {
+	const entries = urls.map((url) => `  <url>\n    <loc>${escapeXml(url)}</loc>\n  </url>`).join("\n");
+
+	return `<?xml version="1.0" encoding="UTF-8"?>\n<urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9">\n${entries}\n</urlset>`;
+}
+
+export const Route = createFileRoute("/sitemap.xml")({
+	server: {
+		handlers: {
+			GET: async () => {
+				const urls = Array.from(new Set(["/", ...source.getPages().map((page) => page.url)]))
+					.sort()
+					.map((path) => new URL(path, siteUrl).toString());
+
+				return new Response(buildSitemapXml(urls), {
+					headers: {
+						"Content-Type": "application/xml; charset=utf-8",
+						"Cache-Control": "public, max-age=3600",
+					},
+				});
+			},
+		},
+	},
+});