From: daiwei <daiwei521@126.com>
Date: Fri, 16 May 2025 13:59:47 +0000 (+0800)
Subject: fix(runtime-core): avoid side effects when invoking emit handler
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=refs%2Fpull%2F13340%2Fhead;p=thirdparty%2Fvuejs%2Fcore.git

fix(runtime-core): avoid side effects when invoking emit handler
---

diff --git a/packages/runtime-core/src/componentEmits.ts b/packages/runtime-core/src/componentEmits.ts
index db52bc88c3..0014754d8b 100644
--- a/packages/runtime-core/src/componentEmits.ts
+++ b/packages/runtime-core/src/componentEmits.ts
@@ -32,6 +32,7 @@ import {
 import type { ComponentTypeEmits } from './apiSetupHelpers'
 import { getModelModifiers } from './helpers/useModel'
 import type { ComponentPublicInstance } from './componentPublicInstance'
+import { pauseTracking, resetTracking } from '@vue/reactivity'
 
 export type ObjectEmitsOptions = Record<
   string,
@@ -198,12 +199,14 @@ export function emit(
   }
 
   if (handler) {
+    pauseTracking()
     callWithAsyncErrorHandling(
       handler,
       instance,
       ErrorCodes.COMPONENT_EVENT_HANDLER,
       args,
     )
+    resetTracking()
   }
 
   const onceHandler = props[handlerName + `Once`]
@@ -214,12 +217,14 @@ export function emit(
       return
     }
     instance.emitted[handlerName] = true
+    pauseTracking()
     callWithAsyncErrorHandling(
       onceHandler,
       instance,
       ErrorCodes.COMPONENT_EVENT_HANDLER,
       args,
     )
+    resetTracking()
   }
 
   if (__COMPAT__) {