automaticly focus the frontmost window when mouse changed to another screen

init.lua

-- hs.logger.setGlobalLogLevel('debug')
local logger = hs.logger.new('focus')
hs.timer.doEvery(3, function()
    local current = hs.mouse.getCurrentScreen()
        -- hs.rawprint(current)
    if current and current ~= hs.screen.mainScreen() then
        
        local windows = hs.window.orderedWindows()
        for _, l in ipairs(windows) do
            if l:screen() == current and l:isStandard() and l:isVisible()  then
                logger.i('mouse changed to ' .. current:name() .. ', focus ' .. l:title())
                l:focus()
                break
            end
        end
    end
end):start()