webpack.config.js

const path = require('path');
const HtmlWebpackPlugin = require('html-webpack-plugin');
const CopyWebpackPlugin = require('copy-webpack-plugin');
const { CleanWebpackPlugin } = require('clean-webpack-plugin');

module.exports = {
  mode: 'production',
  entry: './src/js/index.js',
  plugins: [
    new CleanWebpackPlugin(),
    new HtmlWebpackPlugin({
      template: 'src/index.html',
      favicon: 'src/favicon.ico'
    }),
    new CopyWebpackPlugin({
      patterns: [
        { from: 'src/robots.txt', to: 'robots.txt' },
        { from: 'src/sitemap.xml', to: 'sitemap.xml' },
        { from: 'src/CNAME', to: 'CNAME', toType: 'file' }
      ],
    }),
  ],
  output: {
    filename: 'index.js',
    path: path.resolve(__dirname, 'docs'),
  },
  module: {
    rules: [
      {
        test: /\.(html)$/,
        loader: 'html-loader',
        options: {
          minimize: true,
        }
      },
      {
        test: /\.svg$/,
        loader: 'svg-inline-loader'
      },
      {
        test: /\.css$/i,
        use: [
          'style-loader',
          'css-loader'
        ],
      },
      {
        test: /\.s[ac]ss$/i,
        use: [
          'style-loader',
          'css-loader',
          'sass-loader',
        ],
      },
      {
        test: /\.(png|jpe?g|gif|mp3)$/i,
        use: [
          {
            loader: 'file-loader',
          },
        ],
      },
    ],
  },
  devServer: {
    contentBase: path.join(__dirname, 'dist'),
    compress: true,
    open: true,
  },
};