webpack.config.js

const path = require('path');
const HtmlPlugin = require('html-webpack-plugin');
const CleanPlugin = require('clean-webpack-plugin');
const webpack = require('webpack');

const dist = 'build';

const config = {
  entry: ['react-hot-loader/patch', './src/index.js'],
  output: {
    path: path.resolve(__dirname, dist),
    filename: 'bundle.js',
    publicPath: '/'
  },
  devtool: 'inline-source-map',
  devServer: {
    contentBase: path.join(__dirname, dist),
    port: 9000,
    hot: true,
    open: true,
    watchContentBase: true
  },
  module: {
    rules: [
      {
        test: /\.js$/,
        exclude: /node_modules/,
        use: 'babel-loader'
      },
      {
        test: /\.(png|svg|jpg|gif|woff|woff2|eot|ttf|otf)$/,
        use: 'file-loader'
      }
    ]
  },
  plugins: [
    new CleanPlugin([dist]),
    new HtmlPlugin({ template: path.join(__dirname, 'src/index.html') }),
    new webpack.NamedModulesPlugin(),
    new webpack.HotModuleReplacementPlugin()
  ]
};

module.exports = config;