webpack.config.js

const path = require('path');
const webpack = require('webpack');

module.exports = {
  entry: [
    'react-hot-loader/patch',
    'webpack-dev-server/client?http://localhost:3000',
    'webpack/hot/only-dev-server',
    './src/index.js',
  ],

  output: {
    filename: 'bundle.js',
    path: path.resolve(__dirname, 'dist'),
    publicPath: '/static/'
  },

  devtool: 'inline-source-map',

  module: {
    rules: [
      {
        test: /\.jsx?/,
        use: [
          'babel-loader',
        ],
        exclude: /node_modules/,
      },
      {
        test: /\.css$/,
        use: [
            'style-loader',
            'css-loader?modules',
            'postcss-loader',
        ],
      },
      {
        test: /\.(gif|png|jpe?g|svg)$/i,
        loaders: [
          'file-loader',
          {
            loader: 'image-webpack-loader',
            query: {
              progressive: true,
              optimizationLevel: 7,
              interlaced: false,
              pngquant: {
                quality: '65-90',
                speed: 4
              }
            }
          }
        ]
      },
      {
        test: /\.json$/,
        use: 'json-loader'
      },
    ],
  },
  
  externals: {
      'TweenLite': 'TweenLite'
  },
  plugins: [
    new webpack.HotModuleReplacementPlugin(),
    new webpack.NamedModulesPlugin()
  ],

  devServer: {
    host: 'localhost',
    port: 3000,
    historyApiFallback: true,
    hot: true,
  },
  resolve: {
    extensions: ['.js', '.jsx'],
  },
};