From 1f2926a33c78b6a6f4752a01b88f7cad809ed302 Mon Sep 17 00:00:00 2001
From: ysj16 <504427021@qq.com>
Date: Fri, 12 Jun 2020 05:24:50 +0800
Subject: [PATCH] perf: optimize LRU access in keep-alive (#1316)

---
 packages/runtime-core/src/components/KeepAlive.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/packages/runtime-core/src/components/KeepAlive.ts b/packages/runtime-core/src/components/KeepAlive.ts
index ead43717..8301185d 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