webpack.config.js

const path = require("path");
const MiniCssExtractPlugin = require("mini-css-extract-plugin");
const OptimizeCssAssetsWebpackPlugin = require("optimize-css-assets-webpack-plugin");
const HtmlWebpackPlugin = require("html-webpack-plugin");
const { CleanWebpackPlugin } = require("clean-webpack-plugin");

module.exports = {
  entry: {
    index: "./src/index.js",
    search: "./src/search.js",
  },
  output: {
    path: path.join(__dirname, "dist"),
    filename: "[name]_[chunkhash:8].js",
  },
  mode: "production",
  module: {
    rules: [
      { test: /\.css$/, use: [MiniCssExtractPlugin.loader, "css-loader"] },
      {
        test: /\.less$/,
        use: [
          MiniCssExtractPlugin.loader,
          "css-loader", 
          "less-loader",
          {
            loader:'postcss-loader',
            options: {
              plugins: () => [
                require('autoprefixer')({overrideBrowserslist: ['> 0.15% in CN']})
              ]
            }
          },
          {
            loader: 'px2rem-loader',
            options: {
              remUnit: 75,
              remPrecesion: 8,
            }
          }
        ],
      },
      {
        test: /\.(png|jpg|jpeg|gif)$/,
        use: [
          { loader: "file-loader", options: { name: "[name]_[hash:8].[ext]" } },
        ],
      },
      { test: /\.js$/, use: "babel-loader" },
      { test: /\.ts$/, use: "ts-loader" },
    ],
  },
  plugins: [
    new MiniCssExtractPlugin({
      filename: "[name]_[contenthash:8].css",
    }),
    new OptimizeCssAssetsWebpackPlugin({
      assetNameRegExp: /\.css$/g,
      cssProcessor: require("cssnano"),
    }),
    new HtmlWebpackPlugin({
      template: path.join(__dirname, "src/search.html"),
      filename: "search.html",
      chunks: ["search"],
      inject: true,
      minify: {
        html5: true,
        collapseWhitespace: true,
        preserveLineBreaks: false,
        minifyCSS: true,
        minifyJS: true,
        removeComments: false,
      },
    }),
    new CleanWebpackPlugin(),
  ],
};