Need to allow for enhanced-resolve v4 as webpack v4 uses that version of the module
Need to allow for enhanced-resolve v4 as webpack v4 uses that version of the module

the code in index.js already uses the interface that enhanced-resolve v4 exposes, we just forgot to update the peer-dep semver-range to accept v4 of enhanced-resolve.
codewizz/bower-resolve-webpack-plugin