From acdb68cd9720cd183bc19b94feba9f17646f83a6 Mon Sep 17 00:00:00 2001
From: Jamie Howard <48524071+jhoward1994@users.noreply.github.com>
Date: Tue, 26 Aug 2025 11:41:13 +0100
Subject: [PATCH] fix: update route serialization utility to handle non-array
 values correctly (#24245)

---
 packages/core/utils/src/route-serialization.ts | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/packages/core/utils/src/route-serialization.ts b/packages/core/utils/src/route-serialization.ts
index 775aa1bef2..b03497aa8a 100644
--- a/packages/core/utils/src/route-serialization.ts
+++ b/packages/core/utils/src/route-serialization.ts
@@ -20,11 +20,11 @@ export const sanitizeRoutesArrayForSerialization = (routes: unknown[]): Record<s
 
 export const sanitizeRoutesMapForSerialization = (
   map: Record<string, unknown[]>
-): Record<string, Record<string, unknown>[]> =>
+): Record<string, unknown> =>
   Object.entries(map).reduce(
     (acc, [key, value]) => ({
       ...acc,
-      ...(Array.isArray(value) && { [key]: sanitizeRoutesArrayForSerialization(value) }),
+      [key]: Array.isArray(value) ? sanitizeRoutesArrayForSerialization(value) : value,
     }),
     {}
   );