cssta-webpack-complex.js

{
  module: {
    loaders: [{
      // This is specifically for Cssta
      test: /\.jsx?$/,
      loader: 'babel-loader',
      options: {
        plugins: [
          ['babel-plugin-cssta', { output: 'dist/styles.css' }],
          'transform-es2015-modules-commonjs',
        ],
      },
    }, {
      // This is just your normal babel config
      test: /\.jsx?$/,
      exclude: /node_modules/
      loader: 'babel-loader',
      // Your normal setup here
      // Maybe options: { presets: ['env'] }?
    }],
  },
}