hammerspoon

init.lua

local function pressFn(mods, key)
	if key == nil then
		key = mods
		mods = {}
	end

	return function() hs.eventtap.keyStroke(mods, key, 1000) end
end

local function remap(mods, key, pressFn)
  hs.hotkey.bind(mods, key, pressFn, nil, pressFn)
end

-- dvorak only. it means jkil on qwerty
remap({'option'}, 'h', pressFn('left'))
remap({'option'}, 't', pressFn('down'))
remap({'option'}, 'c', pressFn('up'))
remap({'option'}, 'n', pressFn('right'))
remap({'option', 'cmd'}, 'h', pressFn({'cmd'}, 'left'))
remap({'option', 'cmd'}, 't', pressFn({'cmd'}, 'down'))
remap({'option', 'cmd'}, 'c', pressFn({'cmd'}, 'up'))
remap({'option', 'cmd'}, 'n', pressFn({'cmd'}, 'right'))
remap({'option', 'shift'}, 'h', pressFn({'shift'}, 'left'))
remap({'option', 'shift'}, 't', pressFn({'shift'}, 'down'))
remap({'option', 'shift'}, 'c', pressFn({'shift'}, 'up'))
remap({'option', 'shift'}, 'n', pressFn({'shift'}, 'right'))