From 22a2582bb932cf1a804abff3d0d7e273f084c2cc Mon Sep 17 00:00:00 2001
From: Jacek <jacek@clerk.dev>
Date: Tue, 2 Sep 2025 11:30:07 -0500
Subject: [PATCH] fix: allow clearing fetch cache on sign out

---
 packages/clerk-js/src/core/clerk.ts        | 4 ++++
 packages/clerk-js/src/ui/hooks/useFetch.ts | 9 +++++++++
 2 files changed, 13 insertions(+)

diff --git a/packages/clerk-js/src/core/clerk.ts b/packages/clerk-js/src/core/clerk.ts
index 807942113bf..892995885d3 100644
--- a/packages/clerk-js/src/core/clerk.ts
+++ b/packages/clerk-js/src/core/clerk.ts
@@ -525,6 +525,10 @@ export class Clerk implements ClerkInterface {
       // Notify other tabs that user is signing out and clean up cookies.
       eventBus.emit(events.UserSignOut, null);
 
+      if (typeof window !== 'undefined' && (window as any).__clerkClearFetchCache) {
+        (window as any).__clerkClearFetchCache();
+      }
+
       this.#setTransitiveState();
 
       await tracker.track(async () => {
diff --git a/packages/clerk-js/src/ui/hooks/useFetch.ts b/packages/clerk-js/src/ui/hooks/useFetch.ts
index 7abe9207c49..d499ed91597 100644
--- a/packages/clerk-js/src/ui/hooks/useFetch.ts
+++ b/packages/clerk-js/src/ui/hooks/useFetch.ts
@@ -31,6 +31,15 @@ export const clearFetchCache = () => {
   requestCache = new Map<string, State>();
 };
 
+/**
+ * Global function to clear the fetch cache.
+ * This is exposed on the window object to allow core modules to clear the cache
+ * without importing from UI modules.
+ */
+if (typeof window !== 'undefined') {
+  (window as any).__clerkClearFetchCache = clearFetchCache;
+}
+
 const serialize = (key: unknown) => (typeof key === 'string' ? key : JSON.stringify(key));
 
 const useCache = <K = any, V = any>(