From 329ef760bfc46d53e27d5e1f192b98b890928fd0 Mon Sep 17 00:00:00 2001
From: tamaina <tamaina@hotmail.co.jp>
Date: Thu, 29 Dec 2022 14:54:31 +0000
Subject: [PATCH] fix(server): /emoji to accept `@.` host expression

---
 packages/backend/src/server/web/ClientServerService.ts | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/packages/backend/src/server/web/ClientServerService.ts b/packages/backend/src/server/web/ClientServerService.ts
index af1ff91ac9..84e8481d55 100644
--- a/packages/backend/src/server/web/ClientServerService.ts
+++ b/packages/backend/src/server/web/ClientServerService.ts
@@ -232,7 +232,8 @@ export class ClientServerService {
 			const host = path.split('@')[1]?.replace('.webp', '');
 
 			const emoji = await this.emojisRepository.findOneBy({
-				host: host == null ? IsNull() : host,
+				// `@.` is the spec of ReactionService.decodeReaction
+				host: (host == null || host === '.') ? IsNull() : host,
 				name: name,
 			});