From: daiwei <daiwei521@126.com>
Date: Mon, 29 Sep 2025 03:46:24 +0000 (+0800)
Subject: perf: reuse currentHydrationNode when possible
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=12d5bb5653b5d0c799af68998bb8b33d64b388bc;p=thirdparty%2Fvuejs%2Fcore.git

perf: reuse currentHydrationNode when possible
---

diff --git a/packages/runtime-vapor/src/dom/hydration.ts b/packages/runtime-vapor/src/dom/hydration.ts
index f6785f348c..2e8cd054a5 100644
--- a/packages/runtime-vapor/src/dom/hydration.ts
+++ b/packages/runtime-vapor/src/dom/hydration.ts
@@ -157,7 +157,11 @@ function locateHydrationNodeImpl(): void {
     // prepend
     if (insertionAnchor === 0) {
       // use prevDynamicCount as logical index to locate the hydration node
-      node = locateChildByLogicalIndex(insertionParent!, prevDynamicCount)!
+      node =
+        prevDynamicCount === 0 &&
+        currentHydrationNode!.parentNode === insertionParent
+          ? currentHydrationNode
+          : locateChildByLogicalIndex(insertionParent!, prevDynamicCount)!
     }
     // insert
     else if (insertionAnchor instanceof Node) {
@@ -188,7 +192,10 @@ function locateHydrationNodeImpl(): void {
         node = locateChildByLogicalIndex(insertionParent!, appendIndex + 1)!
       } else {
         if (insertionAnchor === null) {
-          node = locateChildByLogicalIndex(insertionParent!, 0)!
+          node =
+            currentHydrationNode!.parentNode === insertionParent
+              ? currentHydrationNode
+              : locateChildByLogicalIndex(insertionParent!, 0)!
         } else {
           node = locateChildByLogicalIndex(
             insertionParent!,