Detect all sorts of input's (Except: Mobile input's.) in one singular function with: 'UserInputService'

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With UserInputService we can do alot of things, but some people make multiple functions. Whilst we can just do it with one!

I’ve looked around alot to actually find it to be possible to detect all input’s from: (PC, XBOX) in one function and then resume normally.
I did that with this code:

local userInputService = game:GetService("UserInputService")

function input(input)
	local inputDown = false
	if input.UserInputType == Enum.UserInputType.MouseButton1 then
		inputDown = userInputService:IsMouseButtonPressed(Enum.UserInputType.MouseButton1) -- Checks if our mousebutton is down, 'MouseButton1' is our LMB and 'MouseButton2' is RMB
	elseif input.UserInputType == Enum.UserInputType.Keyboard then
		inputDown = userInputService:IsKeyDown(input.KeyCode) -- Checks if a key is down on our keyboard.
	else
		local states = userInputService:GetGamepadState(Enum.UserInputType.Gamepad1) -- This function get's our gamepad state, from here we can go through this table and look at all the states
		for index, inputState in pairs(states) do -- This loop's through our table
			if inputState.KeyCode == input.KeyCode then -- And then this checks if the keycode is the same as the keycode we are checking,
				if inputState.UserInputState == Enum.UserInputState.Begin then -- if the 'InputState' is: 'Begin' then the 'inputDown' bool should be true! otherwise it has to be false.
					inputDown = true
				else
					inputDown = false
				end
			end
		end
	end
	-- detect inputs normally.
	if input.KeyCode == Enum.KeyCode.E then
		if inputDown then
			-- down
		else
			-- not down
		end
	end
end

userInputService.InputBegan:Connect(input)
userInputService.InputEnded:Connect(input)