I didn’t realize that Chrome has a source map concept. If you generate your JS from another language, you can specify a mapping from the derived JS back to the original, so you can use the original for setting breakpoints in the debugger. Wow! That’s such a cool solution. I assume that Dart must have been the impetus for the feature. Is this Chrome-only, or will other browsers support it?
Originally shared by clement escoffier
Very cool – definitely a must have for my maven plugin – a #coffeescript compiler with source map support http://flpbd.it/UWAcu huge!