text: module.exports = {
      devtool: 'source-map',
      output: {
          filename: 'react-app.js'
      },
      module: {
          rules: [{
              test: /\.(js|jsx)$/,
              exclude: /node_modules/,
              loader: "babel-loader",
              options: {
                  presets: ['@babel/preset-env', '@babel/preset-react']
              }
          }, {
              test: /\.css$/,
              exclude: /node_modules/,
              use: ['style-loader', 'css-loader']
          }]
      },
      resolve: {
          extensions: ['.js', '.jsx']
      }
  };