webpack.config.js

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

module.exports = {
  context: __dirname,
  entry: "./frontend/shiparoo.jsx",
  output: {
    path: path.join(__dirname, 'app', 'assets', 'javascripts'),
    filename: "bundle.js"
  },
  module: {
    loaders: [
      {
        test: [/\.jsx?$/, /\.js?$/],
        exclude: /(node_modules|bower_components)/,
        loader: 'babel',
        query: {
          presets: ['es2015', 'react'],
          plugins: ["transform-es2015-destructuring", "transform-object-rest-spread"]
        }
      },
      {
        test: /\.png$/,
        loader: "url-loader?mimetype=image/png"
      }
    ],
  },
  devtool: 'source-maps',
  resolve: {
    extensions: ["", ".js", ".jsx" ]
  },
  plugins: [
    new webpack.DefinePlugin({
      'process.env': {
        NODE_ENV: JSON.stringify('production')
      }
    }),
    new webpack.optimize.UglifyJsPlugin()
  ]
};