I agree with you in part. Babel is not something I'm fond of (I can't seem to wrap my brain around phabricator as an issue tracker). In fairness though, you ca

I agree with you in part. Babel is not something I'm fond of (I can't seem to wrap my brain around phabricator as an issue tracker). In fairness though, you can configure babel to use native generators if you intend to only support platforms which implement them. However, generators have also not been well supported for very long: http://kangax.github.io/compat-table/es6/#test-generators http://kangax.github.io/compat-table/es6/#test-generators