const { merge } = require('webpack-merge');
const common = require('./webpack.common.js');
const path = require('path');

module.exports = merge(common, {
  mode: 'production',
  devtool: 'source-map',
  output: {
    filename: '[name].bundle.js',
    path: path.resolve(__dirname, 'dist')
  },
  optimization: {
    minimize: true,
    usedExports: true,
    splitChunks: {
      cacheGroups: {
        vendors: {
          test: /node_modules\/(?!antd\/).*/,
          name: "vendors",
          chunks: "all",
        },
        // This can be your own design library.
        antd: {
          test: /node_modules\/(antd\/).*/,
          name: "antd",
          chunks: "all",
        },
      },
    }
  }
});