webpack.prod.js

// SPDX-License-Identifier: GPL-3.0
//
// Copyright (c) 2024 LINBIT
//
// Author: Liang Li <liang.li@linbit.com>

const path = require('path');
const { merge } = require('webpack-merge');
const common = require('./webpack.common.js');
const { stylePaths } = require('./stylePaths');
const MiniCssExtractPlugin = require('mini-css-extract-plugin');
const CssMinimizerPlugin = require('css-minimizer-webpack-plugin');
const TerserJSPlugin = require('terser-webpack-plugin');

module.exports = merge(common('production'), {
  mode: 'production',
  devtool: false,
  optimization: {
    minimizer: [
      new TerserJSPlugin({}),
      new CssMinimizerPlugin({
        minimizerOptions: {
          preset: ['default', { mergeLonghand: false }],
        },
      }),
    ],
    splitChunks: {
      chunks: 'all',
      maxInitialRequests: 3,
      cacheGroups: {
        vendor: {
          test: /[\\/]node_modules[\\/]/,
          name: 'vendors',
          chunks: 'all',
          priority: 20,
        },
        common: {
          name: 'common',
          minChunks: 2,
          chunks: 'all',
          priority: 10,
          reuseExistingChunk: true,
          enforce: true,
        },
      },
    },
  },
  plugins: [
    new MiniCssExtractPlugin({
      filename: '[name].[chunkhash].css',
      chunkFilename: '[name].bundle.css',
    }),
  ],
  module: {
    rules: [
      {
        test: /\.css$/,
        include: [...stylePaths],
        use: [MiniCssExtractPlugin.loader, 'css-loader'],
      },
    ],
  },
  performance: {
    hints: 'warning',
    maxEntrypointSize: 512000,
    maxAssetSize: 512000,
  },
});