webpack.config.js

const path = require('path');
const webpack = require('webpack');
require('@babel/polyfill');
const FriendlyErrorsWebpackPlugin = require('friendly-errors-webpack-plugin');

module.exports = {
  entry: ['@babel/polyfill', './src/react/index.jsx'],
  output: {
    path: path.join(__dirname, '/docs/static/js'),
    filename: 'bundle.js',
    publicPath: '/static/',
  },
  module: {
    rules: [
      {
        test: /\.(js|jsx)$/,
        use: [
          {
            loader: 'babel-loader',
            options: {
              presets: ['@babel/preset-env', '@babel/preset-react'],
              plugins: ['@babel/plugin-proposal-class-properties'],
            },
          },
        ],
        include: path.join(__dirname, 'src'),
      },
      {
        test: /\.css$/,
        use: ['style-loader', 'css-loader'],
      },
    ],
  },
  resolve: {
    extensions: ['.js', '.jsx'],
    alias: {
      '~': path.resolve(__dirname, './src/react'),
    },
  },
  plugins: [
    new webpack.HotModuleReplacementPlugin(),
    new FriendlyErrorsWebpackPlugin(),
    new webpack.DefinePlugin({
      'process.env': {
        NODE_ENV: JSON.stringify(process.env.NODE_ENV || 'dev'),
      },
    }),
  ],
  devtool: 'eval',
  devServer: {
    host: '0.0.0.0',
    port: 8080,
    hot: true,
    hotOnly: true,
    stats: {
      colors: true,
      hash: false,
      version: false,
      timings: false,
      assets: false,
      chunks: false,
      modules: false,
      reasons: false,
      children: false,
      source: false,
      errors: false,
      errorDetails: false,
      warnings: false,
      publicPath: false,
    },
    headers: {
      'Access-Control-Allow-Origin': '*',
    },
    historyApiFallback: true,
  },
};