From cedc015aaa8e1968480a9e2ab98f76cf837f146d Mon Sep 17 00:00:00 2001
From: Yagiz Nizipli <yagiz@nizipli.com>
Date: Sun, 16 Aug 2026 16:16:52 +0000
Subject: [PATCH] perf(router-core): skip the cleanPath regex when there are no
 double slashes

joinPaths and resolvePath call cleanPath on every navigation. Paths without
'//' can return as-is.
---
 packages/router-core/src/path.ts | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/packages/router-core/src/path.ts b/packages/router-core/src/path.ts
index da410e9c7d..f6fada8e57 100644
--- a/packages/router-core/src/path.ts
+++ b/packages/router-core/src/path.ts
@@ -22,7 +22,8 @@ export function joinPaths(paths: Array<string | undefined>) {
 
 /** Remove repeated slashes from a path string. */
 export function cleanPath(path: string) {
-  // remove double slashes
+  // Most paths never contain '//' — skip the regex on that common case.
+  if (path.indexOf('//') === -1) return path
   return path.replace(/\/{2,}/g, '/')
 }