webpack.config.common.js

let config = {
  mode: 'production',
  optimization: {
    minimize: false
  },
  module: {
    rules: [
      {
        test: /\.json/,
        use: 'json-loader'
      },
      {
        test: /\.js$/,
        exclude: /(node_modules|bower_components)/,
        use: {
          loader: 'babel-loader',
          options: {
            presets: ['@babel/preset-env']
          }
        }
      }
    ],
  },
  node: {
    fs: 'empty',
    net: 'empty',
    tls: 'empty',
    formidable: 'empty',
  },
  externals: [],
  profile: true
};

module.exports = config;