Fix bug in dynamic redirects

Author: frawleykid

worker/index.ts

@@ -73,14 +73,18 @@ export default {
     const redirects: Redirects = await redirectsResponse.json();
 
     for (const redirect of redirects) {
-      if (
-        (redirect.kind === "static" && requestUrl.pathname === redirect.from)
-        || (redirect.kind === "dynamic" && requestUrl.pathname.startsWith(redirect.from))
-      ) {
+      if (redirect.kind === "static" && requestUrl.pathname === redirect.from) {
         const url = new URL(request.url);
         url.pathname = redirect.to;
         return Response.redirect(url.toString(), redirect.status);
       }
+
+      if (redirect.kind === "dynamic" && requestUrl.pathname.startsWith(redirect.from)) {
+        const url = new URL(request.url);
+        const suffix = requestUrl.pathname.slice(redirect.from.length);
+        url.pathname = redirect.to + suffix;
+        return Response.redirect(url.toString(), redirect.status);
+      }
     }
 
     const response = await env.ASSETS.fetch(request);