From 746770ac3b83b65f173f34c6fd045ef5be6e7fbf Mon Sep 17 00:00:00 2001
From: syuilo <Syuilotan@yahoo.co.jp>
Date: Tue, 28 Feb 2023 16:46:25 +0900
Subject: fix Serialized type

---
 packages/backend/src/server/api/stream/types.ts | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

(limited to 'packages/backend/src/server/api')

diff --git a/packages/backend/src/server/api/stream/types.ts b/packages/backend/src/server/api/stream/types.ts
index 9287952cb6..c450773055 100644
--- a/packages/backend/src/server/api/stream/types.ts
+++ b/packages/backend/src/server/api/stream/types.ts
@@ -178,7 +178,14 @@ type EventUnionFromDictionary<
 
 // redis通すとDateのインスタンスはstringに変換されるので
 type Serialized<T> = {
-	[K in keyof T]: T[K] extends Date ? string : T[K] extends Record<string, any> ? Serialized<T[K]> : T[K];
+	[K in keyof T]:
+		T[K] extends Date
+			? string
+			: T[K] extends (Date | null)
+				? (string | null)
+				: T[K] extends Record<string, any>
+					? Serialized<T[K]>
+					: T[K];
 };
 
 type SerializedAll<T> = {
-- 
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