From a2d4439e48c012d9b57fa5aa290272e07e6d7277 Mon Sep 17 00:00:00 2001
From: izzy <me@insrt.uk>
Date: Fri, 19 Dec 2025 14:16:30 +0000
Subject: [PATCH] fix: ack may not exist depending on caller

---
 server/src/maintenance/maintenance-websocket.repository.ts | 4 ++--
 server/src/services/maintenance.service.ts                 | 4 ++--
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/server/src/maintenance/maintenance-websocket.repository.ts b/server/src/maintenance/maintenance-websocket.repository.ts
index cc0e592533..8d52e516c5 100644
--- a/server/src/maintenance/maintenance-websocket.repository.ts
+++ b/server/src/maintenance/maintenance-websocket.repository.ts
@@ -37,8 +37,8 @@ export class MaintenanceWebsocketRepository implements OnGatewayConnection, OnGa
 
   afterInit(websocketServer: Server) {
     this.logger.log('Initialized websocket server');
-    websocketServer.on('AppRestart', (_, ack) => {
-      ack('ok');
+    websocketServer.on('AppRestart', (_, ack?: (ok: 'ok') => void) => {
+      ack?.('ok');
       this.appRepository.exitApp();
     });
   }
diff --git a/server/src/services/maintenance.service.ts b/server/src/services/maintenance.service.ts
index a672d5f1fd..312f86cd44 100644
--- a/server/src/services/maintenance.service.ts
+++ b/server/src/services/maintenance.service.ts
@@ -31,8 +31,8 @@ export class MaintenanceService extends BaseService {
   }
 
   @OnEvent({ name: 'AppRestart', server: true })
-  onRestart(_: undefined, ack: (ok: 'ok') => void): void {
-    ack('ok');
+  onRestart(_: undefined, ack?: (ok: 'ok') => void): void {
+    ack?.('ok');
     this.appRepository.exitApp();
   }