Check if an app exists on macOS
MIT License
Get the path to an app (macOS)
Get bundle identifier from a bundle name (macOS): Safari → com.apple.Safari
Check whether a website is up or down
Check if the built-in Mac camera is on
Check if a path exists
Ensures a value is a valid error by making it one if not
Get or check the current macOS version
Get the path of the current directory in Finder (macOS)
Check if a year is a leap year
Control the AnyBar app
Display a notification (macOS 10.9+)
Detect the indentation of code
Check if a JavaScript environment has a DOM