At the moment there are more gaps than API and the debugging experience is such that you have to go back and forth between Chrome (debugging any changes you mad

At the moment there are more gaps than API and the debugging experience is such that you have to go back and forth between Chrome (debugging any changes you made) and Firefox (looking at the global console, checking that you're within the small supported subset). Recommending gulp is ridiculous overkill. Chrome loads files from disk directly, Firefox plans to.