If you're still suffering that pain you need to switch to better build tools. Source map support is pretty mainstream now. If I open Chrome Dev Tools on my pro

If you're still suffering that pain you need to switch to better build tools. Source map support is pretty mainstream now. If I open Chrome Dev Tools on my production site, it automatically grabs source map files from my server (accessible only to me), and I see the whole source tree of original coffeescript files, with complete access to breakpoints and stack traces.