From: Evan You <evan@vuejs.org>
Date: Wed, 29 Jan 2025 07:45:54 +0000 (+0800)
Subject: refactor(reactivity): avoid setting up debug flags on falsy onTrigger value
X-Git-Tag: v3.6.0-alpha.1~16^2~128
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=1e9062c0756b4dfb00d5d03e05515e32207c381a;p=thirdparty%2Fvuejs%2Fcore.git

refactor(reactivity): avoid setting up debug flags on falsy onTrigger value
---

diff --git a/packages/reactivity/src/debug.ts b/packages/reactivity/src/debug.ts
index 7e96f24ea2..aa7c87c956 100644
--- a/packages/reactivity/src/debug.ts
+++ b/packages/reactivity/src/debug.ts
@@ -55,7 +55,7 @@ export function setupOnTrigger(target: { new (...args: any[]): any }): void {
       return this._onTrigger
     },
     set(val) {
-      if (!this._onTrigger) setupFlagsHandler(this)
+      if (val && !this._onTrigger) setupFlagsHandler(this)
       this._onTrigger = val
     },
   })