babel-plugin-macros allow hygienic macros (https://en.wikipedia.org/wiki/Hygienic_macro https://en.wikipedia.org/wiki/Hygienic_macro) so they don't have the pro

babel-plugin-macros allow hygienic macros (https://en.wikipedia.org/wiki/Hygienic_macro https://en.wikipedia.org/wiki/Hygienic_macro) so they don't have the problems associated with C macros.