From: daiwei <daiwei521@126.com>
Date: Mon, 4 Aug 2025 02:48:34 +0000 (+0800)
Subject: fix: fix child index
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=3fca1f510df53919cf6302352b33700aceca46f1;p=thirdparty%2Fvuejs%2Fcore.git

fix: fix child index
---

diff --git a/packages/compiler-vapor/src/generators/template.ts b/packages/compiler-vapor/src/generators/template.ts
index 664b7c1fb1..b42e2093f9 100644
--- a/packages/compiler-vapor/src/generators/template.ts
+++ b/packages/compiler-vapor/src/generators/template.ts
@@ -89,7 +89,8 @@ export function genChildren(
       // child index is used to find the child during hydration.
       // if offset is not 0, we need to specify the offset to skip the dynamic
       // children and get the correct child.
-      const asAnchor = children.some(child => child.anchor === id)
+      const asAnchor =
+        id !== undefined && children.some(child => child.anchor === id)
       let childIndex =
         offset === 0
           ? undefined