From: Evan You <yyx990803@gmail.com>
Date: Tue, 30 Jun 2020 15:43:15 +0000 (-0400)
Subject: chore: remove unnecessary loop
X-Git-Tag: v3.0.0-beta.17~2
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=d2bf3cc4a85a45ca69bcfbef0781a6b3eacb89d6;p=thirdparty%2Fvuejs%2Fcore.git

chore: remove unnecessary loop
---

diff --git a/packages/runtime-core/src/componentSlots.ts b/packages/runtime-core/src/componentSlots.ts
index a940fd5f7b..28f6ab1ef4 100644
--- a/packages/runtime-core/src/componentSlots.ts
+++ b/packages/runtime-core/src/componentSlots.ts
@@ -130,9 +130,7 @@ export const updateSlots = (
       if (__DEV__ && isHmrUpdating) {
         // Parent was HMR updated so slot content may have changed.
         // force update slots and mark instance for hmr as well
-        for (const key in children as RawSlots) {
-          if (key !== '_') slots[key] = (children as Slots)[key]
-        }
+        extend(slots, children as Slots)
       } else if (
         // bail on dynamic slots (v-if, v-for, reference of scope variables)
         !(vnode.patchFlag & PatchFlags.DYNAMIC_SLOTS)