Update tween.luau

fix test fail again! yes i'm a retard

src/tween.luau

@@ -1,47 +1,62 @@
 -- src/tween.luau
 local TweenService = game and game:GetService("TweenService") or nil
-local HasTweenInfo = (TweenInfo  ~= nil)
+local HasTweenInfo = (TweenInfo ~= nil)
+
+--cleanup and action injection so tweens are stopped on scope destruction
 
--- Factory: inject action + cleanup so tweens are stopped on scope destruction
 return function(action, cleanup)
 	local tween = {}
 
-	-- Presets (simple, useful)
+	-- Presets: only available when TweenInfo exists (Roblox runtime)
 	if HasTweenInfo then
-	tween.presets = {
+		tween.presets = {
-		instant = TweenInfo.new(0),
+			instant = TweenInfo.new(0),
-		fast = TweenInfo.new(0.12, Enum.EasingStyle.Quad, Enum.EasingDirection.Out),
+			fast = TweenInfo.new(0.12, Enum.EasingStyle.Quad, Enum.EasingDirection.Out),
-		smooth = TweenInfo.new(0.22, Enum.EasingStyle.Quad, Enum.EasingDirection.Out),
+			smooth = TweenInfo.new(0.22, Enum.EasingStyle.Quad, Enum.EasingDirection.Out),
-		snappy = TweenInfo.new(0.16, Enum.EasingStyle.Cubic, Enum.EasingDirection.Out),
+			snappy = TweenInfo.new(0.16, Enum.EasingStyle.Cubic, Enum.EasingDirection.Out),
-	}
+		}
+	else
+		tween.presets = {}
+	end
 
-	-- Imperative helper (for events): vide.tweenTo(instance, {Position=...}, info)
+	-- Imperative helper: plays a tween (or applies instantly in tests)
 	function tween.tweenTo(instance, goals, info)
+		if not instance or not goals then
+			return nil
+		end
+
+		-- Non-Roblox / unit tests: apply instantly
 		if not TweenService then
-			-- Non-Roblox / tests: just apply instantly
+			for k, v in pairs(goals) do
-			if instance and goals then
+				instance[k] = v
-				for k, v in pairs(goals) do
-					instance[k] = v
-				end
 			end
 			return nil
 		end
 
-		local tweenInfo = info or tween.presets.smooth
+
+		local tweenInfo = info
+		if tweenInfo == nil then
+			if tween.presets.smooth then
+				tweenInfo = tween.presets.smooth
+			else
+				-- Fallback in case presets are not available for any reason
+				tweenInfo = TweenInfo.new(0.22, Enum.EasingStyle.Quad, Enum.EasingDirection.Out)
+			end
+		end
+
 		local tw = TweenService:Create(instance, tweenInfo, goals)
 		tw:Play()
 		return tw
 	end
 
-	-- Action helper (for create trees):
+	-- Action helper: attach tweening in create() trees
-	-- create "Frame" { tween({Position=...}, presets.fast), ... }
 	function tween.tween(goals, info)
 		return action(function(instance)
 			if not goals then
 				return
 			end
 
-			-- If TweenService not available, apply instantly (tests outside of roblox environment)
+			-- Non-Roblox / unit tests: apply instantly
 			if not TweenService then
 				for k, v in pairs(goals) do
 					instance[k] = v
@@ -49,11 +64,19 @@ return function(action, cleanup)
 				return
 			end
 
-			local tweenInfo = info or tween.presets.smooth
+			local tweenInfo = info
+			if tweenInfo == nil then
+				if tween.presets.smooth then
+					tweenInfo = tween.presets.smooth
+				else
+					tweenInfo = TweenInfo.new(0.22, Enum.EasingStyle.Quad, Enum.EasingDirection.Out)
+				end
+			end
+
 			local tw = TweenService:Create(instance, tweenInfo, goals)
 			tw:Play()
 
-			-- Stop on scope destruction to avoid leaking connections/tweens
+			-- Ensure tween is cancelled when the scope is destroyed
 			cleanup(function()
 				pcall(function()
 					tw:Cancel()