From ef0f69ac6d3a28df38ae326373f182b219b3db99 Mon Sep 17 00:00:00 2001
From: Ukendio <ukendio@gmail.com>
Date: Tue, 22 Apr 2025 04:49:52 +0200
Subject: [PATCH] Set signal with hook

---
 addons/observers.luau | 27 +++++++++++++--------------
 1 file changed, 13 insertions(+), 14 deletions(-)

diff --git a/addons/observers.luau b/addons/observers.luau
index cffce81..be27d89 100644
--- a/addons/observers.luau
+++ b/addons/observers.luau
@@ -104,13 +104,12 @@ local function observers_add(world: jecs.World & { [string]: any }): PatchedWorl
 		if not listeners then
 			listeners = {}
 			signals.added[component] = listeners
-			local idr = jecs.id_record_ensure(world, component)
-			idr.hooks.on_add = function(entity)
-				for _, listener in listeners do
-					listener(entity, component)
+			local function on_add(entity: number, id: number, value: any)
+				for _, listener in listeners :: any do
+					listener(entity, id, value)
 				end
 			end
-		end
+			world:set(component, jecs.OnAdd, on_add)		end
 		table.insert(listeners, fn)
 	end
 
@@ -119,12 +118,12 @@ local function observers_add(world: jecs.World & { [string]: any }): PatchedWorl
 		if not listeners then
 			listeners = {}
 			signals.emplaced[component] = listeners
-			local idr = jecs.id_record_ensure(world, component)
-			idr.hooks.on_change = function(entity, value)
-				for _, listener in listeners do
-					listener(entity, component, value)
+			local function on_change(entity: number, id: number, value: any)
+				for _, listener in listeners :: any do
+					listener(entity, id, value)
 				end
 			end
+			world:set(component, jecs.OnChange, on_change)
 		end
 		table.insert(listeners, fn)
 	end
@@ -134,12 +133,12 @@ local function observers_add(world: jecs.World & { [string]: any }): PatchedWorl
 		if not listeners then
 			listeners = {}
 			signals.removed[component] = listeners
-			local idr = jecs.id_record_ensure(world, component)
-			idr.hooks.on_remove = function(entity)
-				for _, listener in listeners do
-					listener(entity, component)
+			local function on_remove(entity: number, id: number, value: any)
+				for _, listener in listeners :: any do
+					listener(entity, id, value)
 				end
 			end
+			world:set(component, jecs.OnRemove, on_remove)
 		end
 		table.insert(listeners, fn)
 	end
@@ -150,7 +149,7 @@ local function observers_add(world: jecs.World & { [string]: any }): PatchedWorl
 
 	world.monitor = monitors_new
 
-	return world
+	return world :: PatchedWorld
 end
 
 return observers_add