-- Trove
-- Stephen Leitnick
-- October 16, 2021


local FN_MARKER = newproxy()
local THREAD_MARKER = newproxy()

local RunService = game:GetService("RunService")

local function GetObjectCleanupFunction(object, cleanupMethod)
	local t = typeof(object)
	if t == "function" then
		return FN_MARKER
	elseif t == "thread" then
		return THREAD_MARKER
	end
	if cleanupMethod then
		return cleanupMethod
	end
	if t == "Instance" then
		return "Destroy"
	elseif t == "RBXScriptConnection" then
		return "Disconnect"
	elseif t == "table" then
		if typeof(object.Destroy) == "function" then
			return "Destroy"
		elseif typeof(object.Disconnect) == "function" then
			return "Disconnect"
		end
	end
	error("Failed to get cleanup function for object " .. t .. ": " .. tostring(object), 3)
end

local function AssertPromiseLike(object)
	if
		typeof(object) ~= "table"
		or typeof(object.getStatus) ~= "function"
		or typeof(object.finally) ~= "function"
		or typeof(object.cancel) ~= "function"
	then
		error("Did not receive a Promise as an argument", 3)
	end
end
