webpack.config.js

const path = require('path')
const MiniCssExtractPlugin = require('mini-css-extract-plugin')
const CssMinimizerPlugin = require("css-minimizer-webpack-plugin");
const HtmlWebpackPlugin = require('html-webpack-plugin')
const CopyPlugin = require("copy-webpack-plugin");

module.exports = {
  entry: './src/js/init.js',
  output: {
    filename: 'main.js',
    path: path.resolve(__dirname, 'dist'),
  },
  mode: 'production',
  plugins: [
    new HtmlWebpackPlugin({ template: './src/index.html' }),
    new MiniCssExtractPlugin(),
    new CopyPlugin({
      patterns: [
        { from: "./src/static", to: "." },
      ],
    }),],
  module: {
    rules: [
      {
        test: /\.css$/i,
        use: [MiniCssExtractPlugin.loader, "css-loader"],
      },
    ],
  }, optimization: {
    minimizer: [
      new CssMinimizerPlugin(),
    ],
  },
};