From 8490dfd294a3932f92667671a9666f0ddb1e7da2 Mon Sep 17 00:00:00 2001
From: Ukendio <ukendio@gmail.com>
Date: Fri, 6 Jun 2025 00:38:23 +0200
Subject: [PATCH] Prevent partial matching of destroyed archetype

---
 jecs.luau | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/jecs.luau b/jecs.luau
index 7531134..798052b 100644
--- a/jecs.luau
+++ b/jecs.luau
@@ -1934,6 +1934,9 @@ local function query_cached(query: ecs_query_data_t)
 
 	local function on_delete_callback(archetype)
 		local i = table.find(archetypes, archetype) :: number
+		if i == nil then
+			return
+		end
 		local n = #archetypes
 		archetypes[i] = archetypes[n]
 		archetypes[n] = nil