Yep, but sadly I've made a few attempts and failed miserably.
Perhaps I'm too spoiled by jQuery UI Builder. I'd much rather prefer something like this where I can just pick the widgets I know I'm using: http://jqueryui.com/download
Pretty starightfoward until you hit a hard-to-google for problem. Yesterday my build process was crashing because I used Windows backslashes in a command line argument instead of the Unix slashes that it expected :(
Perhaps I'm too spoiled by jQuery UI Builder. I'd much rather prefer something like this where I can just pick the widgets I know I'm using: http://jqueryui.com/download