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

vuejs · Jun 11, 2020 · 1f2926a · 1f2926a
1 parent 0b93440
commit 1f2926a
Showing 1 changed file with 1 addition and 1 deletion.
diff --git 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