gistfile1.txt

// razzle.config.js
'use strict';
module.exports = {
  modifyWebpackOptions({
    options: {
      webpackOptions, // the modified options that was used to configure webpack/ webpack loaders and plugins
    }
  }) {
            webpackOptions.babelRule.include = webpackOptions.babelRule.include.concat([
                /grommet/
            ]);
      webpackOptions.notNodeExternalResMatch = (request, context) => {
         return /grommet/.test(request)
      };
    return webpackOptions;
  },
};