webpack.config.js

module.exports = (env) => {
  const clientPath = path.resolve(__dirname, 'src/main/client');
  ...
  return {
    ...
    optimization: {
      splitChunks: {
          cacheGroups: {
              common: {
                  test: clientPath + '/common',
                  chunks: 'all',
                  name: 'base/common'
              },
              modules: {
                  test: clientPath + '/modules',
                  chunks: 'all',
                  name: 'base/modules'
              }
          }
      },
      ...
    }
  }
}