text: const merge = require('webpack-merge');
  const defaultConfig = require('./webpack.config.default.js');
  const MiniCssExtractPlugin = require('mini-css-extract-plugin');
  const ExtractCssChunks = require('extract-css-chunks-webpack-plugin');
  
  module.exports = merge(defaultConfig, {
    mode: 'production',
    plugins: [
      new ExtractCssChunks({
        filename: '[name].css',
        chunkFilename: '[id].css',
      }),
    ],
  });
  