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

const config = {
  entry: path.resolve(__dirname, 'src', 'index.js'),
  output: {
    path: path.resolve(__dirname, 'dist'),
    filename: 'index.js',
    libraryTarget: 'commonjs2',
  },
  externals: {
    'fetch-everywhere': 'commonjs2 fetch-everywhere',
  },
  module: {
    loaders: [
      {
        test: /\.(js|jsx)$/,
        exclude: /node_modules/,
        loader: 'babel-loader',
        query: {
          presets: ['es2015', 'react', 'stage-2'],
          plugins: ['transform-object-rest-spread', 'transform-class-properties', 'transform-runtime'],
        },
      },
    ],
  },
  plugins: [
    new webpack.DefinePlugin({
      'process.env': {
        NODE_ENV: JSON.stringify('production'),
      },
    }),
    new webpack.optimize.UglifyJsPlugin({
      compress: {
        warnings: false,
      },
    }),
  ],
};

module.exports = config;