webpack.dev.config.js

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

module.exports = {
  mode: 'development',
  entry: '/src/index.js',
  devtool: 'inline-source-map',
  plugins: [
    new HtmlWebpackPlugin({
      title: 'Development',
      inject: 'head',
    }),
  ],
  devServer: {
    port: 8080,
    onListening: function (server) {
      const port = server.listeningApp.address().port;
      console.log('Listening on port:', port);
    },
    historyApiFallback: true,
    publicPath: '/',
    contentBase: '/dist',
  },
  output: {
    publicPath: '/',
    filename: 'main.js',
    path: path.resolve(__dirname, 'dist'),
  },
  module: {
    rules: [
      {
        test: /\.js$/,
        exclude: /node_modules[/\\](?!react-data-grid[/\\]lib)/,
        use: {
          loader: 'babel-loader',
          options: {
            presets: ['@babel/preset-env', '@babel/preset-react'],
          },
        },
      },
      {
        test: /\.css$/,
        use: [{ loader: 'style-loader' }, { loader: 'css-loader' }],
      },
    ],
  },
};