Hammerspoon for window management on macos

init.lua

hs.hotkey.bind({"ctrl", "cmd"}, "up", function()
    local win = hs.window.focusedWindow()
    local f = win:frame()
    local screen = win:screen()
    local max = screen:frame()
  
    f.x = max.x
    f.y = max.y
    f.w = max.w
    f.h = max.h
    win:setFrame(f)
end)

hs.hotkey.bind({"ctrl", "cmd"}, "left", function()
    local win = hs.window.focusedWindow()
    local f = win:frame()
    local screen = win:screen()
    local max = screen:frame()
  
    f.x = max.x
    f.y = max.y
    f.w = max.w / 2
    f.h = max.h
    win:setFrame(f)
end)
  

hs.hotkey.bind({"ctrl", "cmd"}, "right", function()
    local win = hs.window.focusedWindow()
    local f = win:frame()
    local screen = win:screen()
    local max = screen:frame()
  
    f.x = max.w / 2
    f.y = max.y
    f.w = max.w / 2
    f.h = max.h
    win:setFrame(f)
end)

hs.hotkey.bind({"cmd", "ctrl"}, "down", function()
    local win = hs.window.focusedWindow()
    local f = win:frame()
    local screen = win:screen()
    local max = screen:frame()
    local width = max.w / 1.618
    local height = max.h / 1.618
    -- f.x = (max.w - width) / 2
    -- f.y = (max.h - height) / 2
    f.x = 100
    f.y = 100
    f.w = width
    f.h = height
    win:setFrame(f)
  end)

hs.hotkey.bind({"ctrl", "alt", "cmd"}, "left", function()
    local win = hs.window.focusedWindow()
    win:moveToScreen(win:screen():previous())
end)

hs.hotkey.bind({"ctrl", "alt", "cmd"}, "right", function()
    local win = hs.window.focusedWindow()
    win:moveToScreen(win:screen():next())
end)

hs.hotkey.bind({"ctrl", "alt", "cmd"}, "up", function()
    local win = hs.window.focusedWindow()
    win:moveToScreen(win:screen():previous())
end)

hs.hotkey.bind({"ctrl", "alt", "cmd"}, "down", function()
    local win = hs.window.focusedWindow()
    win:moveToScreen(win:screen():next())
end)