A hammerspoon snippet that lets you hyper-scroll to change your output volume

scrollvolume.lua

local volumeBeep = hs.sound.getByName('Pop')
local volumeText
local volumeTextTimer

function hideVolumeText()
    if volumeText then
        volumeText:hide(0.1)
    end
end

hs.eventtap.new({hs.eventtap.event.types.scrollWheel}, function(e)
    local mods = hs.eventtap.checkKeyboardModifiers()
    if mods.alt and mods.ctrl and mods.shift then
        delta = e:getProperty(
            hs.eventtap.event.properties.scrollWheelEventDeltaAxis1)
        hs.audiodevice.defaultOutputDevice():setVolume(
            hs.audiodevice.defaultOutputDevice():volume() - delta
        )
        local newVolume =
            math.floor(hs.audiodevice.defaultOutputDevice():volume())
        local speakerEmoji
        if newVolume > 60 then
            speakerEmoji = '🔊'
        elseif newVolume > 40 then
            speakerEmoji = '🔉'
        elseif newVolume > 0 then
            speakerEmoji = '🔈'
        else
            speakerEmoji = '🔇'
        end
        if not volumeText then
            volumeText = hs.drawing.text(hs.geometry.rect(20, 35, 200, 200), '')
            volumeText:setLevel(hs.drawing.windowLevels.cursor + 1)
            volumeText:setTextColor({1, 0, 0})
        end
        volumeText:setText(speakerEmoji .. ' ' .. tostring(newVolume) .. '%')
        volumeText:show()
        if not volumeTextTimer then
            volumeTextTimer = hs.timer.delayed.new(1, hideVolumeText)
        end
        volumeTextTimer:start()
        return true
    end
end):start()