webpack.config.js

{
  test: /\.(jsx?)$/,
  exclude: /node_modules/,
  use: [{
    loader: 'babel-loader',
    query: {
      plugins: [
        [
          'babel-plugin-react-css-modules',
          {
            context,
            generateScopedName: scopedPattern,
            filetypes: { '.scss': 'postcss-scss' }
          }
        ]
      ]
    }
  }]
}