webpack.config.cjs

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

module.exports = {
  mode: 'production',
  entry: {
    main: './src/index.js',
  },
  devServer: {
    hot: true,
    port: 3000,
  },
  watchOptions: {
    ignored: /node_modules/,
  },
  performance: {
    maxEntrypointSize: 1536000,
    maxAssetSize: 1536000,
  },
  plugins: [
    new webpack.ids.HashedModuleIdsPlugin(),
    new webpack.HotModuleReplacementPlugin(),
    new CopyWebpackPlugin({
      patterns: [{ from: './src/icons/', to: './icons' }],
    }),
    new HtmlWebpackPlugin({
      template: './src/index.html',
      inject: true,
      title: 'Crypto Checker',
    }),
    new MiniCssExtractPlugin(),
  ],
  module: {
    rules: [
      {
        test: /\.(s(a|c)ss)$/,
        use: [MiniCssExtractPlugin.loader, 'css-loader', 'sass-loader'],
      },
      {
        test: /\.(png|svg|jpe?g|gif)$/i,
        type: 'asset/resource',
      },
      {
        test: /\.(woff|woff2|eot|ttf|otf)$/i,
        type: 'asset/resource',
      },
      {
        test: /\.m?js$/,
        exclude: /(node_modules|bower_components)/,
        use: {
          loader: 'babel-loader',
          options: {
            presets: ['@babel/preset-env'],
            plugins: [
              '@babel/plugin-proposal-object-rest-spread',
              '@babel/plugin-transform-runtime',
            ],
            cacheDirectory: true,
          },
        },
      },
    ],
  },
  output: {
    filename: '[name].[contenthash].js',
    path: path.resolve(__dirname, 'dist'),
    clean: true,
    assetModuleFilename: 'img/[name]-[hash:3].[ext][query]',
  },
  optimization: {
    splitChunks: {
      chunks: 'all',
      maxInitialRequests: Infinity,
      minSize: 0,
      cacheGroups: {
        vendor: {
          test: /[\\/]node_modules[\\/]/,
          name(module) {
            const packageName = module.context.match(
              /[\\/]node_modules[\\/](.*?)([\\/]|$)/
            )[1];
            return `npm.${packageName.replace('@', '')}`;
          },
        },
      },
    },
  },
};