From daf2a57b3ca29fe6e8ccce4a36c3538045406a1e Mon Sep 17 00:00:00 2001
From: syuilo <4439005+syuilo@users.noreply.github.com>
Date: Thu, 4 Dec 2025 19:01:45 +0900
Subject: [PATCH] =?UTF-8?q?Revert=20"fix(frontend):=20stacking=20router=20?=
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This reverts commit a3c3052d0fae8223b73b4ee0abca2b6702da92a2.
---
 CHANGELOG.md                                                  | 2 +-
 .../frontend/src/components/global/StackingRouterView.vue     | 4 +---
 2 files changed, 2 insertions(+), 4 deletions(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index a30bf8c441..f4f7933824 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,7 +4,7 @@
 -
 
 ### Client
-- Fix: stacking router viewで連続して戻る操作を行うと何も表示されなくなる問題を修正
+-
 
 ### Server
 - Enhance: メモリ使用量を削減しました
diff --git a/packages/frontend/src/components/global/StackingRouterView.vue b/packages/frontend/src/components/global/StackingRouterView.vue
index e9c24bfcb4..4c56767608 100644
--- a/packages/frontend/src/components/global/StackingRouterView.vue
+++ b/packages/frontend/src/components/global/StackingRouterView.vue
@@ -74,9 +74,7 @@ function mount() {
 }
 
 function back() {
-	const prev = tabs.value.at(tabs.value.length - 2);
-	if (prev == null) return; // transitionの関係でprevが無い状態でbackが呼ばれることがある
-
+	const prev = tabs.value[tabs.value.length - 2];
 	tabs.value = [...tabs.value.slice(0, tabs.value.length - 1)];
 	router?.replaceByPath(prev.fullPath);
 }