webpack.config.js

const path = require('path');
const ExtractTextPlugin = require('extract-text-webpack-plugin');
const HtmlWebpackPlugin = require('html-webpack-plugin');
module.exports = {
  entry: {
    main: path.resolve(__dirname, 'src', 'index.jsx')
  },
  output: {
    path: path.resolve(__dirname, 'dist'),
    filename: 'bundle.js'
  },
  module: {
    rules: [
      {
        test: /\.jsx?$/,
        exclude: /node_modules/,
        use: {
          loader: 'babel-loader'
        }
      },
      {
        test: /\.css$/,
        use: ExtractTextPlugin.extract({
          fallback: 'style-loader',
          use: ['css-loader']
        })
      }
    ]
  },
  plugins: [
    new ExtractTextPlugin({ filename: 'style.css' }),
    new HtmlWebpackPlugin({ 
      template: path.resolve(__dirname, 'src', 'index.html'),
      filename: 'index.html'
    })
  ],
  devServer: {
    historyApiFallback: true
  }
};