All this time I've just been using a boring old shell script that runs browserify with the Babel plugin, and then uglify. Hook it up to npm scripts and I've got all I need, in about half a dozen lines spread across two files. Browserify is useful because concatenating a bunch of JavaScript files is hardly the right way to be doing things. Babel I have to use because all browsers struggle with ES2015 to an extent. Ugl…
I too am leaning towards converting our ugly gulp directory into npm scripts. I'm though less sure about how to handle replacing relative image paths in CSS & JS with ones on cloudfront. Have you dealt with things like these? Would love to see how!
I haven't deal with things like that - though it must be a common problem so I'd assume there's a tool somewhere to do it.