patch to allow setting cloudflare pages access aud from env vars

_middleware.ts.diff

diff --git a/functions/_middleware.ts b/functions/_middleware.ts
index 9d5ae42..8f46b34 100644
--- a/functions/_middleware.ts
+++ b/functions/_middleware.ts
@@ -1,8 +1,20 @@
 import cloudflareAccessPlugin from "@cloudflare/pages-plugin-cloudflare-access";
 
-export const onRequest = ({ env }) => {
-  return cloudflareAccessPlugin({
-    domain: "https://timely-tasker.cloudflareaccess.com",
-    aud: env.AUDIENCE,
-  });
+interface Env {
+  AUDIENCE: string;
 }
+
+export const onRequest: PagesFunction<Env> = (context) => {
+  const aud = context.env.AUDIENCE;
+  if (typeof aud !== 'string') {
+    // must be local dev mode, just pass through
+    // TODO: Stub local dev user auth in the middeware/functions
+    return context.next();
+  } else {
+    return cloudflareAccessPlugin({
+      domain: "https://timely-tasker.cloudflareaccess.com",
+      aud: aud
+    })(context);
+  }
+}