I'm getting an ReferenceError: babelHelpers is not defined, while importing react-avatar-editor, PLEASE HELP!
looks like version 11.0.9 onward has this issue. You may want to use version 11.0.7.
in your package-lock.json find "react-avatar-editor" and replace the version number with "11.0.7".
[edit] Mentioned here: https://github.com/mosch/react-avatar-editor/issues/340