webpack_Backward_Compatibility_with_bable_loader.js

/*
 * Refer: https://github.com/ruanyf/webpack-demos
 * demo 3
 */
module.exports = {
  entry: './main.jsx',
  output: {
    filename: 'bundle.js'
  },
  module: {
    rules: [
      {
        test: /\.jsx?$/,          //  file regexp match
        exclude: /node_modules/,  //  exclude file/folder
        use: {
          loader: 'babel-loader',
          options: {
            presets: ['es2015', 'react']
          }
        }
      }
    ]
  }
};