Modify webpack.config.js of create-react-app
Unfortunately it isn't possible to add new babel plugins unless you convert to a custom setup.
By running npm run eject, you will be able to modify the Babel and webpack configs to your liking, with all the (dis)advantages it contains.
Enter your project dir and run
npm run ejectThis will extract all of the configuration files for you to edit, including webpack.config.js, to a folder called "config". Enter config/webpack.config.js, find the "return" statement, and inside there is a "resolve" configuration option. Add the following to that object:
symlinks: false