From 7c9bacbbd824a850b2d1061b3476e24806375a23 Mon Sep 17 00:00:00 2001
From: taichan <dev@taichan.site>
Date: Tue, 20 Feb 2024 15:44:13 +0900
Subject: [PATCH] use isNotNull

---
 packages/backend/src/core/entities/NotificationEntityService.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/packages/backend/src/core/entities/NotificationEntityService.ts b/packages/backend/src/core/entities/NotificationEntityService.ts
index 24ae0bdf3e..824f0b7fda 100644
--- a/packages/backend/src/core/entities/NotificationEntityService.ts
+++ b/packages/backend/src/core/entities/NotificationEntityService.ts
@@ -353,7 +353,7 @@ export class NotificationEntityService implements OnModuleInit {
 		const filteredNotifications = ((await Promise.all(notifications.map(async (notification) => {
 			const isValid = await this.#validateNotifier(notification, meId, userIdsWhoMeMuting, userMutedInstances);
 			return isValid ? notification : null;
-		}))) as [T|null] ).filter((notification): notification is T => notification !== null);
+		}))) as [T|null] ).filter(isNotNull);
 
 		return filteredNotifications;
 	}