module.exports = {
  module: {
    rules: [
      {
        test: /\.(js|jsx)$/,
        exclude: /node_modules/,
        use: {
          loader: 'babel-loader'
        }
      }
    ]
  },
  mode: 'development'
  // options: {
  //   sourceType: 'unambiguous'
  // }
};