webpack.config.js

const path = require('path');
const HtmlBundlerPlugin = require('html-bundler-webpack-plugin');

const isProd = !process.argv.find((str) => str.includes('development'));

module.exports = {
  mode: isProd ? 'production' : 'development',
  devtool: isProd ? 'source-map' : 'inline-source-map',
  stats: 'minimal',

  output: {
    path: path.join(__dirname, 'dist'),
  },

  plugins: [
    new HtmlBundlerPlugin({
      entry: {
        // define templates here
        index: 'src/index.html', // => dist/index.html
      },
      js: {
        // JS output filename
        filename: 'js/[name].[contenthash:8].js',
      },
      css: {
        // CSS output filename
        filename: 'css/[name].[contenthash:8].css',
      },
      // generate preload tags for heavy assets
      preload: [
        {
          test: /\.(png|jpe?g|webp|svg)$/,
          as: 'image',
        },
      ],
    }),
  ],

  module: {
    rules: [
      {
        test: /\.(css|sass|scss)$/,
        use: ['css-loader', 'sass-loader'],
      },
      {
        test: /[\\/]images[\\/].+(png|jpe?g|svg|webp|ico)$/,
        type: 'asset/resource',
        generator: {
          filename: 'img/[name].[hash:8][ext]',
        },
      },
    ],
  },

  performance: {
    // don't show the size limit warning
    hints: false,
  },

  devServer: {
    static: path.join(__dirname, './dist'),
    watchFiles: {
      paths: ['src/**/*.*'],
      options: {
        usePolling: true,
      },
    },
  },
};