From fe2c308822662e31745a34761da6a114de702132 Mon Sep 17 00:00:00 2001
From: Ali Idrizi <20397725+ali-idrizi@users.noreply.github.com>
Date: Sat, 29 Nov 2025 13:11:29 +0100
Subject: [PATCH] fix(router-core): clear leftoverHtml after flushing closing
 tags to prevent repeated SSR injections

---
 packages/router-core/src/ssr/transformStreamWithRouter.ts | 1 +
 1 file changed, 1 insertion(+)

diff --git a/packages/router-core/src/ssr/transformStreamWithRouter.ts b/packages/router-core/src/ssr/transformStreamWithRouter.ts
index 8322b8da880..e0170ce02ec 100644
--- a/packages/router-core/src/ssr/transformStreamWithRouter.ts
+++ b/packages/router-core/src/ssr/transformStreamWithRouter.ts
@@ -238,6 +238,7 @@ export function transformStreamWithRouter(
 
         finalPassThrough.write(processed)
         leftover = chunkString.slice(lastIndex)
+        leftoverHtml = ''
       } else {
         leftover = chunkString
         leftoverHtml += getBufferedRouterStream()