From 0c8c4a61eab6b48422f6b6e660078b35de44b9a5 Mon Sep 17 00:00:00 2001
From: alemi <me@alemi.dev>
Date: Sun, 17 Nov 2024 18:58:22 +0100
Subject: [PATCH] fix(lua): dont serialize hash when None

because it becomes an `userdata: NULL` and not `nil`, what??
---
 src/api/change.rs | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/api/change.rs b/src/api/change.rs
index bbce5fc..ad1675d 100644
--- a/src/api/change.rs
+++ b/src/api/change.rs
@@ -13,6 +13,7 @@
 #[cfg_attr(feature = "serialize", derive(serde::Serialize, serde::Deserialize))]
 pub struct BufferUpdate {
 	/// Optional content hash after applying this change.
+	#[cfg_attr(feature = "serialize", serde(skip_serializing_if = "Option::is_none"))]
 	pub hash: Option<i64>,
 	/// CRDT version after this change has been applied.
 	pub version: Vec<i64>,