• 压缩 CSS 使用 webpack 插件 css-minimizer-webpack-plugin，需要额外安装 npm i css-minimizer-webpack-plugin@latest -D；
• 压缩 js 使用 webpack 自带插件 terser-webpack-plugin，无需额外安装；
• package.json 的配置如下

const CssMinimizerPlugin = require("css-minimizer-webpack-plugin");
const TerserPlugin = require("terser-webpack-plugin");module.exports = {optimization: {// 优化minimize: true,minimizer: [new CssMinimizerPlugin(),//压缩cssnew TerserPlugin({// 压缩 jsterserOptions: {format: {comments: false,},},extractComments: false,}),],}
}