generate robots.txt (#132)

packages/ui/fe-bundle/src/pages/[host]/robots.txt.tsx

@@ -0,0 +1,24 @@
+import { GetServerSideProps } from "next";
+
+function RobotsTXT(): void {
+    // getServerSideProps will do the heavy lifting
+}
+
+export default RobotsTXT;
+
+export const getServerSideProps: GetServerSideProps = async ({ params = {}, res }) => {
+    const host = params.host as string | undefined;
+
+    if (host == null) {
+        throw new Error("host is not defined");
+    }
+    const hostWithoutTrailingSlash = host.endsWith("/") ? host.slice(0, -1) : host;
+
+    res.write(`User-Agent: *
+Sitemap: ${hostWithoutTrailingSlash}/sitemap.xml`);
+    res.end();
+
+    return {
+        props: {},
+    };
+};

packages/ui/fe-bundle/src/pages/[host]/sitemap.xml.tsx

@@ -2,12 +2,6 @@ import { GetServerSideProps } from "next";
 import { REGISTRY_SERVICE } from "../../service";
 import { getPathsToRevalidate } from "../../utils/revalidation/getPathsToRevalidate";
 
-export declare namespace Sitemap {
-    export interface Props {
-        urls: string[];
-    }
-}
-
 function SiteMap(): void {
     // getServerSideProps will do the heavy lifting
 }