From a3a20afcd4e511e8528f432126786ecc14cb761b Mon Sep 17 00:00:00 2001
From: daiwei <daiwei521@126.com>
Date: Wed, 3 Dec 2025 15:54:59 +0800
Subject: [PATCH] chore: clarify `isUpdating` purpose to prevent recursive
 updates

---
 packages/runtime-vapor/src/renderEffect.ts | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/packages/runtime-vapor/src/renderEffect.ts b/packages/runtime-vapor/src/renderEffect.ts
index 5fc2d54142..ce8eaf46af 100644
--- a/packages/runtime-vapor/src/renderEffect.ts
+++ b/packages/runtime-vapor/src/renderEffect.ts
@@ -53,8 +53,6 @@ export class RenderEffect extends ReactiveEffect {
 
     this.job = job
     this.i = instance
-
-    // TODO recurse handling
   }
 
   fn(): void {
@@ -67,6 +65,7 @@ export class RenderEffect extends ReactiveEffect {
     }
     const prev = setCurrentInstance(instance, scope)
     if (hasUpdateHooks && instance.isMounted && !instance.isUpdating) {
+      // avoid recurse update until updateJob flushed
       instance.isUpdating = true
       instance.bu && invokeArrayFns(instance.bu)
       this.render()
-- 
2.47.3