TODO-app/webpack.config.js

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

var BUILD_DIR = path.resolve(__dirname, 'build');

module.exports = {
  entry: './js/index.js',
  output: { path: __dirname, filename: 'bundle.js' },
  module: {
    loaders: [
      {
        test: /.jsx?$/,
        loader: 'babel-loader',
        exclude: /node_modules/,
        query: {
          presets: ['es2015', 'react']
        }
      },
      { test: /\.css$/, loader: "style-loader!css-loader?root=." },
    ]
  },
};