/**
 * 生产环境构建
 */
const CssMinimizerPlugin = require('css-minimizer-webpack-plugin'); // css 压缩插件
const TerserPlugin = require('terser-webpack-plugin'); // js 压缩插件
const { merge } = require('webpack-merge'); // webpack 配置合并函数
const build = require('./webpack.env.build.cjs'); // 开发环境构建配置

module.exports = merge(build, {
  mode: 'production',
  // -------------------------------------------------------------------------------------------------------------------------------
  // devtool        | performance                      | comment
  // (none)         | build:fastest, rebuild:fastest   | Recommended choice for production builds with maximum performance.
  // eval           | build:fast,    rebuild:fastest   | Recommended choice for development builds with maximum performance.
  // eval-source-map| build:slowest, rebuild:ok        | Recommended choice for development builds with high quality SourceMaps.
  // source-map     | build:slowest, rebuild:slowest   | Recommended choice for production builds with high quality SourceMaps.
  // -------------------------------------------------------------------------------------------------------------------------------
  devtool: 'eval-source-map',
  optimization: {
    minimize: true,
    minimizer: [
      new CssMinimizerPlugin(), // css 压缩插件
      new TerserPlugin({
        // js 压缩插件
        extractComments: false,
        terserOptions: {
          format: {
            comments: false,
          },
        },
      }),
    ],
    moduleIds: 'named',
    chunkIds: 'named',
  },
});