From 64953fadc92abf3fd83186733282bcf4f39bdb49 Mon Sep 17 00:00:00 2001
From: okayurisotto <47853651+okayurisotto@users.noreply.github.com>
Date: Fri, 23 Feb 2024 14:12:57 +0900
Subject: refactor(backend):
 `Array.prototype.filter`での非null確認では`isNotNull`関数を使うように
 (#13442)
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* `Array.prototype.filter`での非null確認では`isNotNull`関数を使うように

* `{}` -> `NonNullable<unknown>`
---
 packages/backend/src/core/NoteCreateService.ts | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'packages/backend/src/core/NoteCreateService.ts')

diff --git a/packages/backend/src/core/NoteCreateService.ts b/packages/backend/src/core/NoteCreateService.ts
index 2a5fd2e1a6..b412d5db11 100644
--- a/packages/backend/src/core/NoteCreateService.ts
+++ b/packages/backend/src/core/NoteCreateService.ts
@@ -59,6 +59,7 @@ import { UtilityService } from '@/core/UtilityService.js';
 import { UserBlockingService } from '@/core/UserBlockingService.js';
 import { isReply } from '@/misc/is-reply.js';
 import { trackPromise } from '@/misc/promise-tracker.js';
+import { isNotNull } from '@/misc/is-not-null.js';
 import { IdentifiableError } from '@/misc/identifiable-error.js';
 
 type NotificationType = 'reply' | 'renote' | 'quote' | 'mention';
@@ -816,7 +817,7 @@ export class NoteCreateService implements OnApplicationShutdown {
 		const mentions = extractMentions(tokens);
 		let mentionedUsers = (await Promise.all(mentions.map(m =>
 			this.remoteUserResolveService.resolveUser(m.username, m.host ?? user.host).catch(() => null),
-		))).filter(x => x != null) as MiUser[];
+		))).filter(isNotNull);
 
 		// Drop duplicate users
 		mentionedUsers = mentionedUsers.filter((u, i, self) =>
-- 
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