webpack.config.js

const path = require('path');
const HtmlWebpackPlugin = require('html-webpack-plugin');
const { CleanWebpackPlugin } = require('clean-webpack-plugin');
const ReactRefreshWebpackPlugin = require('@pmmmwh/react-refresh-webpack-plugin');

module.exports = {
  mode: 'development',
  entry: './src/index.js',
  output: {
    path: path.resolve(__dirname, './dist'),
    filename: '[name].js',
    publicPath: '/',
  },
  module: {
    rules: [
      {
        test: /\.(js|jsx)$/,
        exclude: '/node_modules/',
        use: [
          {
            loader: require.resolve('babel-loader'),
            options: {
              plugins: [require.resolve('react-refresh/babel')].filter(Boolean),
            },
          },
        ],
      },
      {
        test: /\.css$/,
        use: [`style-loader`, `css-loader`],
      },
    ],
  },
  plugins: [
    new CleanWebpackPlugin(),
    new HtmlWebpackPlugin({ template: './public/index.html' }),
    new ReactRefreshWebpackPlugin(),
  ],
  devServer: {
    hot: true,
    open: true,
    port: 3000,
  },
};