From 423e679fa780485bce12d2b41ed8e9165fa78c64 Mon Sep 17 00:00:00 2001
From: markdalgleish <mark.john.dalgleish@gmail.com>
Date: Wed, 13 Aug 2025 17:15:40 +1000
Subject: [PATCH] Provide `isRouteErrorResponse` in `react-server` environments

---
 .changeset/gorgeous-dragons-hang.md         | 5 +++++
 packages/react-router/index-react-server.ts | 1 +
 2 files changed, 6 insertions(+)
 create mode 100644 .changeset/gorgeous-dragons-hang.md

diff --git a/.changeset/gorgeous-dragons-hang.md b/.changeset/gorgeous-dragons-hang.md
new file mode 100644
index 0000000000..dd9a8d1076
--- /dev/null
+++ b/.changeset/gorgeous-dragons-hang.md
@@ -0,0 +1,5 @@
+---
+"react-router": patch
+---
+
+Provide `isRouteErrorResponse` utility in `react-server` environments
diff --git a/packages/react-router/index-react-server.ts b/packages/react-router/index-react-server.ts
index fe245336e0..0e4bf1230d 100644
--- a/packages/react-router/index-react-server.ts
+++ b/packages/react-router/index-react-server.ts
@@ -47,6 +47,7 @@ export { createStaticHandler } from "./lib/router/router";
 export {
   data,
   matchRoutes,
+  isRouteErrorResponse,
   unstable_createContext,
   unstable_RouterContextProvider,
 } from "./lib/router/utils";