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 ead43717483578806d04c0390bac99b400010a8b..8301185ddf637aa34685197d26e3567aa0db90f7 100644 (file)
--- 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