webpack.config.js

const MiniCssExtractPlugin = require('mini-css-extract-plugin');
const HtmlWebpackPlugin = require('html-webpack-plugin');
const path = require('path');

module.exports = {
  devtool: 'source-map',
  output: {
    clean:true,
  },
  devServer: {
    port: 9000,
    contentBase: path.join(__dirname, 'dist'),
    compress: true,
    open: true,
  },
  plugins: [
    new HtmlWebpackPlugin({
      template: 'src/index.html',
    }),
    new MiniCssExtractPlugin({
      filename: '[name].css',
      chunkFilename: '[id].css',
    }),
  ],
  module: {
    rules: [
      {
        test: /\.js$/,
        use: {
          loader: 'babel-loader',
          options: {
            presets: ['@babel/preset-env'],
          },
        },
        exclude: /node_modules/,
      },
      {
        test: /\.html$/,
        loader: 'html-loader',
      },
      {
        test: /\.s[ac]ss$/i,
        use: [
          MiniCssExtractPlugin.loader,
          'css-loader',
          {
            loader: 'postcss-loader',
            options: {
              postcssOptions: {
                plugins: [['postcss-preset-env']],
              },
            },
          },
          'sass-loader',
        ],
      },
      {
        test: /\.(png|svg|jpg|jpeg|gif)$/i,
        type: 'asset',
        generator: {
          filename: 'images/[hash][ext][query]',
        },
      },
    ],
  },
};