perf(frontend): アニメーション無効時のパフォーマンスを向上

1 files changed, 9 insertions, 7 deletions

diff --git a/packages/frontend/src/components/MkReactionsViewer.vue b/packages/frontend/src/components/MkReactionsViewer.vue
index ac4f4acdbb..6e23709be4 100644
--- a/packages/frontend/src/components/MkReactionsViewer.vue
+++ b/packages/frontend/src/components/MkReactionsViewer.vue
@@ -4,22 +4,24 @@ SPDX-License-Identifier: AGPL-3.0-only
 -->
 
 <template>
-<TransitionGroup
-	:enterActiveClass="prefer.s.animation ? $style.transition_x_enterActive : ''"
-	:leaveActiveClass="prefer.s.animation ? $style.transition_x_leaveActive : ''"
-	:enterFromClass="prefer.s.animation ? $style.transition_x_enterFrom : ''"
-	:leaveToClass="prefer.s.animation ? $style.transition_x_leaveTo : ''"
-	:moveClass="prefer.s.animation ? $style.transition_x_move : ''"
+<component
+	:is="prefer.s.animation ? TransitionGroup : 'div'"
+	:enterActiveClass="$style.transition_x_enterActive"
+	:leaveActiveClass="$style.transition_x_leaveActive"
+	:enterFromClass="$style.transition_x_enterFrom"
+	:leaveToClass="$style.transition_x_leaveTo"
+	:moveClass="$style.transition_x_move"
 	tag="div" :class="$style.root"
 >
 	<XReaction v-for="[reaction, count] in reactions" :key="reaction" :reaction="reaction" :count="count" :isInitial="initialReactions.has(reaction)" :note="note" @reactionToggled="onMockToggleReaction"/>
 	<slot v-if="hasMoreReactions" name="more"/>
-</TransitionGroup>
+</component>
 </template>
 
 <script lang="ts" setup>
 import * as Misskey from 'misskey-js';
 import { inject, watch, ref } from 'vue';
+import { TransitionGroup } from 'vue';
 import XReaction from '@/components/MkReactionsViewer.reaction.vue';
 import { prefer } from '@/preferences.js';
 import { DI } from '@/di.js';