Support dynamic redirects

Author: frawleykid

site/content/artifacts/_index.md

@@ -4,4 +4,5 @@ date: 2022-01-02T13:00:18-05:00
 images: []
 aliases:
   - "/archive"
+  - "/artifact"
 ---

site/layouts/index.redirects

@@ -8,12 +8,14 @@
   {
     "from": {{ $absAlias | path.Clean | jsonify }},
     "to": {{ $page.RelPermalink | jsonify }},
-    "status": 301
+    "status": 301,
+    "kind": "static"
   },
   {
     "from": {{ $absAlias | path.Clean | printf "%s/" | jsonify }},
     "to": {{ $page.RelPermalink | jsonify }},
-    "status": 301
+    "status": 301,
+    "kind": {{ if (eq $page.Kind "page" "home") }}"static"{{ else }}"dynamic"{{ end }}
   },
   {{ end }}
 {{ end }}
@@ -24,6 +26,7 @@
     "from": {{ $redirect.from | path.Clean | jsonify }},
     "to": {{ $redirect.to | jsonify }},
     "status": {{ $redirect.status | jsonify }},
+    "kind": "static"
   }{{ if (eq $index (sub $numRedirects 1)) }},{{ end }}
 {{ end }}
 ]

worker/index.ts

@@ -8,6 +8,7 @@ interface Redirect {
   from: string;
   to: string;
   status: number;
+  kind: "static" | "dynamic";
 };
 
 type Redirects = ReadonlyArray<Redirect>;
@@ -72,7 +73,10 @@ export default {
     const redirects: Redirects = await redirectsResponse.json();
 
     for (const redirect of redirects) {
-      if (requestUrl.pathname === redirect.from) {
+      if (
+        (redirect.kind === "static" && requestUrl.pathname === redirect.from)
+        || (redirect.kind === "dynamic" && requestUrl.pathname.startsWith(redirect.from))
+      ) {
         const url = new URL(request.url);
         url.pathname = redirect.to;
         return Response.redirect(url.toString(), redirect.status);