From c23f44952052154e8425df291caf5da555fe3fc6 Mon Sep 17 00:00:00 2001
From: lebaudantoine <lebaud.antoine131@gmail.com>
Date: Wed, 5 Aug 2026 16:02:27 +0200
Subject: [PATCH] =?UTF-8?q?=F0=9F=90=9B(frontend)=20stop=20passing=20usern?=
 =?UTF-8?q?ame=20as=20a=20query=20param=20when=20undefined?=
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Skip adding the username query parameter when its value is
undefined, so the request URL no longer ends up with an
`?username=undefined` (or similar) that the backend has to handle.
---
 src/frontend/src/features/rooms/api/fetchRoom.ts | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/src/frontend/src/features/rooms/api/fetchRoom.ts b/src/frontend/src/features/rooms/api/fetchRoom.ts
index 4c014d27..bdbd1085 100644
--- a/src/frontend/src/features/rooms/api/fetchRoom.ts
+++ b/src/frontend/src/features/rooms/api/fetchRoom.ts
@@ -3,12 +3,12 @@ import { fetchApi } from '@/api/fetchApi'
 
 export const fetchRoom = ({
   roomId,
-  username = '',
+  username,
 }: {
   roomId: string
   username?: string
 }) => {
-  return fetchApi<ApiRoom>(
-    `/rooms/${roomId}?username=${encodeURIComponent(username)}`
-  )
+  const query = username ? `?username=${encodeURIComponent(username)}` : ''
+
+  return fetchApi<ApiRoom>(`/rooms/${roomId}${query}`)
 }