From: ysj16 <504427021@qq.com>
Date: Thu, 11 Jun 2020 21:24:50 +0000 (+0800)
Subject: perf: optimize LRU access in keep-alive (#1316)
X-Git-Tag: v3.0.0-beta.15~25
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=1f2926a33c78b6a6f4752a01b88f7cad809ed302;p=thirdparty%2Fvuejs%2Fcore.git

perf: optimize LRU access in keep-alive (#1316)
---

diff --git a/packages/runtime-core/src/components/KeepAlive.ts b/packages/runtime-core/src/components/KeepAlive.ts
index ead4371748..8301185ddf 100644
--- a/packages/runtime-core/src/components/KeepAlive.ts
+++ b/packages/runtime-core/src/components/KeepAlive.ts
@@ -226,7 +226,7 @@ const KeepAliveImpl = {
         keys.add(key)
         // prune oldest entry
         if (max && keys.size > parseInt(max as string, 10)) {
-          pruneCacheEntry(Array.from(keys)[0])
+          pruneCacheEntry(keys.values().next().value)
         }
       }
       // avoid vnode being unmounted