From 981e6f996ec632f4ccb27d24d107c37a5d070b32 Mon Sep 17 00:00:00 2001
From: syuilo <Syuilotan@yahoo.co.jp>
Date: Tue, 6 Jun 2023 09:04:57 +0900
Subject: [PATCH] =?UTF-8?q?fix(frontend):=20=E3=82=BF=E3=83=96=E3=81=8C?=
 =?UTF-8?q?=E3=82=A2=E3=82=AF=E3=83=86=E3=82=A3=E3=83=96=E3=81=AA=E9=96=93?=
 =?UTF-8?q?=E3=81=AFstream=E3=81=8C=E5=88=87=E6=96=AD=E3=81=95=E3=82=8C?=
 =?UTF-8?q?=E3=81=AA=E3=81=84=E3=82=88=E3=81=86=E3=81=AB?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Fix #10952
---
 CHANGELOG.md                    | 3 +++
 packages/frontend/src/stream.ts | 9 +++++++++
 2 files changed, 12 insertions(+)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 4296288788..cc13749caf 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -14,6 +14,9 @@
 
 ## 13.13.1 (unreleased)
 
+### Client
+- Fix: タブがアクティブな間はstreamが切断されないように
+
 ### Server
 - Fix: api/metaで`TypeError: JSON5.parse is not a function`エラーが発生する問題を修正
 
diff --git a/packages/frontend/src/stream.ts b/packages/frontend/src/stream.ts
index 9cae58a26a..a807d1d306 100644
--- a/packages/frontend/src/stream.ts
+++ b/packages/frontend/src/stream.ts
@@ -12,5 +12,14 @@ export function useStream(): Misskey.Stream {
 		token: $i.token,
 	} : null));
 
+	window.setTimeout(heartbeat, 1000 * 60);
+
 	return stream;
 }
+
+function heartbeat(): void {
+	if (stream != null && document.visibilityState === 'visible') {
+		stream.send('ping');
+	}
+	window.setTimeout(heartbeat, 1000 * 60);
+}