From: Evan You <yyx990803@gmail.com>
Date: Fri, 21 Jan 2022 01:41:54 +0000 (+0800)
Subject: perf(reactivity): optimize effect run condition
X-Git-Tag: v3.2.28~16
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=25bc6549eb7eb487ddb761c228a27e1046c627fc;p=thirdparty%2Fvuejs%2Fcore.git

perf(reactivity): optimize effect run condition
---

diff --git a/packages/reactivity/src/effect.ts b/packages/reactivity/src/effect.ts
index 351fc0c263..bb4ed09fa3 100644
--- a/packages/reactivity/src/effect.ts
+++ b/packages/reactivity/src/effect.ts
@@ -75,7 +75,7 @@ export class ReactiveEffect<T = any> {
     if (!this.active) {
       return this.fn()
     }
-    if (!effectStack.includes(this)) {
+    if (!effectStack.length || !effectStack.includes(this)) {
       try {
         effectStack.push((activeEffect = this))
         enableTracking()