text: module.exports = {
    entry: [
      'babel-polyfill', './app.js'
    ],
    output: {
      path: './build',
      filename: 'bundle.js'
    },
    module: {
      loaders: [
        {
          test: /\.js$/, // a regular expression that catches .js files
          exclude: /node_modules/,
          loader: 'babel-loader'
        }
      ]
    },
    devServer: {
      port: 3000,
      contentBase: './build',
      inline: true
    }
  }
  