My configuration of hammerspoon

init.lua

local function disableAllHotkeys()
   for k, v in pairs(hs.hotkey.getHotkeys()) do
      v['_hk']:disable()
   end
end

local function enableAllHotkeys()
   for k, v in pairs(hs.hotkey.getHotkeys()) do
      v['_hk']:enable()
   end
end

local function keyCode(key, modifiers)
   modifiers = modifiers or {}
   return function()
      disableAllHotkeys()
      hs.eventtap.event.newKeyEvent(modifiers, string.lower(key), true):post()
      hs.timer.usleep(1000)
      hs.eventtap.event.newKeyEvent(modifiers, string.lower(key), false):post()
      enableAllHotkeys()
   end
end

local function remapKey(modifiers, key, keyCode)
   hs.hotkey.bind(modifiers, key, keyCode, nil, keyCode)
end

remapKey({'ctrl'}, ';', keyCode(';', {}))
remapKey({}, ';', keyCode('return'))

hs.hotkey.bind({"cmd", "alt", "ctrl"}, "R", function()
  hs.reload()
end)
hs.alert.show("Config loaded")