Remap ctrl-h to delete for Skype.app with hammerspoon config

init.lua

local function enableHotkeys(hotkeys)
   for k, v in pairs(hotkeys) do
	  v:enable()
   end
end

local function disableHotkeys(hotkeys)
   for k, v in pairs(hotkeys) do
	  v:disable()
   end
end

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

local function hotkey(mods, key, keyCode)
   return hs.hotkey.new(mods, key, keyCode, nil, keyCode)
end

-- watch hotkey settings
local function handleGlobalAppEvent(name, event, app)
   if event == hs.application.watcher.activated then
      if name == 'Skype' then
         enableHotkeys(skypeConf)
      else
         disableHotkeys(skypeConf)
      end
   end
end

appWatcher = hs.application.watcher.new(handleGlobalAppEvent)
appWatcher:start()

-- remap settings
skypeConf = {
   hotkey({'ctrl'}, 'h', keyCode('delete')),
}