external-helpers
Co-authored-by: Huáng Jùnliàng <jlhwung@gmail.com> Co-authored-by: Babel Bot <babel-bot@users.noreply.github.com>
When the `runtime` flag is on (by default), this plugin adds a new helper which wraps the native `RegExp` class to provide groups support. People nees to use a polyfill (I implemented it in core-js) for browsers that don't support ES6 regexps.