From fc1e2229e5dc9f89c008403ecb202bd07fba2080 Mon Sep 17 00:00:00 2001
From: syuilo <4439005+syuilo@users.noreply.github.com>
Date: Thu, 4 Dec 2025 19:03:41 +0900
Subject: [PATCH] =?UTF-8?q?fix(frontend):=20stacking=20router=20view?=
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---
 CHANGELOG.md                                                   | 2 +-
 packages/frontend/src/components/global/StackingRouterView.vue | 1 +
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index f4f7933824..a30bf8c441 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 4c56767608..d52dd9b89d 100644
--- a/packages/frontend/src/components/global/StackingRouterView.vue
+++ b/packages/frontend/src/components/global/StackingRouterView.vue
@@ -74,6 +74,7 @@ function mount() {
 }
 
 function back() {
+	if (tabs.value.length <= 1) return; // transitionの関係でタブが1つの状態で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);