webpack.config.js

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

module.exports = {
  entry: path.resolve(__dirname, './demo/index.js'),
  devtool: 'eval-source-map',
  resolve: {
    alias: {
      react: path.resolve(__dirname, './node_modules/react'),
      'react-dom': path.resolve(__dirname, './node_modules/react-dom'),
    },
  },
  module: {
    rules: [
      {
        test: /\.css$/i,
        use: ['style-loader', 'css-loader'],
      },
      {
        test: /\.(png|jpg|gif|svg|woff|ttf|eot)/,
        type: 'asset/resource',
      },
      {
        test: /\.(js|jsx)$/,
        exclude: /node_modules/,
        use: {
          loader: 'babel-loader',
        },
      },
    ],
  },
  plugins: [
    new HtmlWebPackPlugin({
      template: './demo/index.html',
      filename: './index.html',
    }),
  ],
};