Hamerspoon config examples for hyper key

init.lua

-- hattip https://github.com/lodestone/hyper-hacks
-- hattip https://gist.github.com/ttscoff/cce98a711b5476166792d5e6f1ac5907
-- hattip https://gist.github.com/prenagha/1c28f71cb4d52b3133a4bff1b3849c3e

local hyper = {'cmd','alt','shift','ctrl'}

-- A global variable for the Hyper Mode
k = hs.hotkey.modal.new({}, "F17")

-- The following keys are configured as hot keys in their respective apps (or in Keyboard Maestro)
-- d → Dash (configure in Dash preferences)
-- m → Moom (configure in Moom preferences)
-- n → Notifications configure in System preferences → Keyboard → Shortcuts → Mission Control)
-- f → Fantastical (configure in Fantastical preferences)
-- t → Typinator (configure in Typinator preferences)
-- SPACE → Spotlight (configure in System Preferences → Keyboard → Shortcuts → Spotlight, moved so that ⌘␣ could be used for Quicksilver)
hyperBindings = {'d','m','n','f','t','SPACE'}

for i,key in ipairs(hyperBindings) do
  k:bind({}, key, nil, function() hs.eventtap.keyStroke(hyper, key)
    k.triggered = true
  end)
end

-- Simple volume controls
-- k:bind({}, 'p', nil, function() hs.audiodevice.defaultOutputDevice():setMuted(true) end
k:bind({}, ']', nil, function() hs.audiodevice.defaultOutputDevice():setVolume(hs.audiodevice.current().volume + 5) end)
k:bind({}, '[', nil, function() hs.audiodevice.defaultOutputDevice():setVolume(hs.audiodevice.current().volume - 5) end)

-- Enter Hyper Mode when F18 (Hyper/Capslock) is pressed
pressedF18 = function()
  k.triggered = false
  k:enter()
end

-- Leave Hyper Mode when F18 (Hyper/Capslock) is pressed,
--   send ESCAPE if no other keys are pressed.
releasedF18 = function()
  k:exit()
  if not k.triggered then
    hs.eventtap.keyStroke({}, 'ESCAPE')
  end
end

-- Bind the Hyper key
f18 = hs.hotkey.bind({}, 'F18', pressedF18, releasedF18)

-- local alert_sound = hs.sound.getByFile("alert.wav")
local alert_sound  = hs.sound.getByName("Tink")
alert_sound:play()
hs.alert.show("Hammerspoon, at your service.", 2)