From 30f8e82873ec45a6ea9a7e45dde937a56f6669a1 Mon Sep 17 00:00:00 2001
From: Robert Soriano <sorianorobertc@gmail.com>
Date: Tue, 3 Dec 2024 01:13:15 -0800
Subject: [PATCH] chore(astro): Add backwards compatibility for ignoring
 prerendered routes in Astro middleware (#4694)

---
 .changeset/tame-lamps-rule.md                 |  5 +++++
 packages/astro/src/server/clerk-middleware.ts | 11 ++++++++++-
 2 files changed, 15 insertions(+), 1 deletion(-)
 create mode 100644 .changeset/tame-lamps-rule.md

diff --git a/.changeset/tame-lamps-rule.md b/.changeset/tame-lamps-rule.md
new file mode 100644
index 0000000000..a7f68ebedb
--- /dev/null
+++ b/.changeset/tame-lamps-rule.md
@@ -0,0 +1,5 @@
+---
+"@clerk/astro": patch
+---
+
+Add backwards compatibility for ignoring prerendered routes in Astro
diff --git a/packages/astro/src/server/clerk-middleware.ts b/packages/astro/src/server/clerk-middleware.ts
index ba1426c7f7..3bdf0a53cf 100644
--- a/packages/astro/src/server/clerk-middleware.ts
+++ b/packages/astro/src/server/clerk-middleware.ts
@@ -62,7 +62,7 @@ export const clerkMiddleware: ClerkMiddleware = (...args: unknown[]): any => {
 
   const astroMiddleware: AstroMiddleware = async (context, next) => {
     // if the current page is prerendered, do nothing
-    if ('isPrerendered' in context && context.isPrerendered) {
+    if (isPrerenderedPage(context)) {
       return next();
     }
 
@@ -129,6 +129,15 @@ export const clerkMiddleware: ClerkMiddleware = (...args: unknown[]): any => {
   return astroMiddleware;
 };
 
+const isPrerenderedPage = (context: APIContext) => {
+  return (
+    // for Astro v5
+    ('isPrerendered' in context && context.isPrerendered) ||
+    // for Astro v4
+    ('_isPrerendered' in context && context._isPrerendered)
+  );
+};
+
 // TODO-SHARED: Duplicate from '@clerk/nextjs'
 const parseHandlerAndOptions = (args: unknown[]) => {
   return [