From: daiwei <daiwei521@126.com>
Date: Wed, 17 Sep 2025 01:59:10 +0000 (+0800)
Subject: fix(runtime-vapor): prevent insertion and scope Id setting during hydration
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=dd8680980664778794f9e7de5cf02a8fef986482;p=thirdparty%2Fvuejs%2Fcore.git

fix(runtime-vapor): prevent insertion and scope Id setting during hydration
---

diff --git a/packages/runtime-vapor/src/component.ts b/packages/runtime-vapor/src/component.ts
index a60a24e112..9d4c5737f6 100644
--- a/packages/runtime-vapor/src/component.ts
+++ b/packages/runtime-vapor/src/component.ts
@@ -616,8 +616,10 @@ export function mountComponent(
     startMeasure(instance, `mount`)
   }
   if (instance.bm) invokeArrayFns(instance.bm)
-  insert(instance.block, parent, anchor)
-  setComponentScopeId(instance)
+  if (!isHydrating) {
+    insert(instance.block, parent, anchor)
+    setComponentScopeId(instance)
+  }
   if (instance.m) queuePostFlushCb(() => invokeArrayFns(instance.m!))
   instance.isMounted = true
   if (__DEV__) {