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Enhance draggable module with environment checks

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Updated UserInputService initialization and added checks for non-Roblox environments and GuiObject types.
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sindri 2026-03-02 14:22:34 +01:00 • committed by GitHub
parent 870d07a469
commit a94aee800f
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1 changed files with 14 additions and 1 deletions
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15
src/draggable.luau
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@ -1,11 +1,23 @@
local UserInputService = game:GetService("UserInputService") or nil
local UserInputService = game and game:GetService("UserInputService") or nil
-- Factory: inject Vide functions to avoid cyclic requires
return function(action, cleanup)
return function(opts)
opts = opts or {}
local axis = opts.axis or "both" -- "x" | "y" | "both"
return action(function(gui)
-- Non-Roblox / unit-test environment: allow requiring this module without crashing.
-- Draggable behaviour is disabled when UserInputService is unavailable.
if not UserInputService then
return
end
-- Optional hardening: ignore non-GuiObject targets
if typeof(gui) ~= "Instance" or not gui:IsA("GuiObject") then
return
end
local dragging = false
local dragInput
local dragStart
@ -46,6 +58,7 @@ return function(action, cleanup)
if input.UserInputState == Enum.UserInputState.End then
dragging = false
if changedConn then changedConn:Disconnect() end
if opts.onDragEnd then
opts.onDragEnd(gui.Position)
end