webpack.prod.js

const { resolve } = require('path');
const { merge } = require('webpack-merge');
const common = require('./webpack.common.js');
const webpack = require('webpack');
const CopyPlugin = require('copy-webpack-plugin');
const TerserPlugin = require('terser-webpack-plugin');
const CssMinimizerPlugin = require('css-minimizer-webpack-plugin');

module.exports = merge(common, {
  plugins: [
    new CopyPlugin({
      patterns: [
        {
          from: resolve('./public/'),
          to: resolve('./dist/'),
          globOptions: {
            ignore: ['**/*.html'],
          },
        },
      ],
    }),
    new webpack.ids.HashedModuleIdsPlugin(),
  ],
  optimization: {
    minimize: true,
    minimizer: [
      new CssMinimizerPlugin(),
      new TerserPlugin({
        terserOptions: {
          compress: {
            drop_console: true,
          },
        },
      }),
    ],
    moduleIds: 'deterministic',
  },
});