Hammerspoon config for horizontal scroll on mouse middle button click

index.lua

-- Bases in some codes i found on internet
-- but i din't find the links again

-- HANDLE SCROLLING
local scrollmultHorizontal = 2
local scrollmultVertical = 2 -- not used if use only horizontal scroll
local middleMouseEventButtonNumber = 2

hs.eventtap.new(
	{"all"},
	function(e)
		-- Debug to find your middle mouse button number
		-- print(
		-- 	"mouse:",
		-- 	e:getProperty(hs.eventtap.event.properties["mouseEventButtonNumber"])
		-- )
		local pressedMouseButton = e:getProperty(hs.eventtap.event.properties["mouseEventButtonNumber"])
		local shouldScroll = middleMouseEventButtonNumber == pressedMouseButton

		if shouldScroll then
			-- if you want vertical scroll too uncomment line bellow
			-- local dy = e:getProperty(hs.eventtap.event.properties["mouseEventDeltaY"])
			local dx = e:getProperty(hs.eventtap.event.properties["mouseEventDeltaX"])

			-- if you want vertical scroll too comment line bellow
			hs.eventtap.event.newScrollEvent({dx * scrollmultHorizontal, 0}, {}, "pixel"):post()
			
			-- if you want vertical scroll too uncomment line bellow
			-- hs.eventtap.event.newScrollEvent({dx * scrollmultHorizontal, dy * scrollmultVertical}, {}, "pixel"):post()

			return true, {scroll}
		else
			return false, {}
		end
	end
):start()

-- CMD + ALT + CTRL + R to reload config
hs.hotkey.bind(
	{"cmd", "alt", "ctrl"},
	"R",
	function()
		hs.reload()
	end
)