From: 龙腾道 <LongTengDao@LongTengDao.com>
Date: Mon, 19 Oct 2020 21:11:28 +0000 (+0800)
Subject: fix(runtime-core): avoid object prototype keys in property access cache (#2416)
X-Git-Tag: v3.0.2~18
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=ba881f9190510c613f04950b69d78f6af1a90e06;p=thirdparty%2Fvuejs%2Fcore.git

fix(runtime-core): avoid object prototype keys in property access cache (#2416)
---

diff --git a/packages/runtime-core/src/component.ts b/packages/runtime-core/src/component.ts
index 19035961c9..3fea92ba4e 100644
--- a/packages/runtime-core/src/component.ts
+++ b/packages/runtime-core/src/component.ts
@@ -549,7 +549,7 @@ function setupStatefulComponent(
     }
   }
   // 0. create render proxy property access cache
-  instance.accessCache = {}
+  instance.accessCache = Object.create(null)
   // 1. create public instance / render proxy
   // also mark it raw so it's never observed
   instance.proxy = new Proxy(instance.ctx, PublicInstanceProxyHandlers)