webpack.config.js

require('dotenv').config({silent: true});

const webpack = require('webpack');
const path = require('path');
const pkg = require(__dirname + '/package.json');

const IS_PRODUCTION = process.env.NODE_ENV === 'production';

const siteJs = ['./scripts/site.js']

const config = {
  devtool: IS_PRODUCTION ? false : 'source-map',
  entry: {
    'scripts/site-bundle': siteJs
  },
  output: {
    path: path.resolve(__dirname, 'build'),
    filename: '[name].js'
  },
  plugins: [
    new webpack.optimize.DedupePlugin(),

    new webpack.DefinePlugin({
      '__DEBUG__': JSON.stringify(!IS_PRODUCTION)
    }),

    new webpack.optimize.UglifyJsPlugin({
      beautify: !IS_PRODUCTION,
      compress: IS_PRODUCTION ? {
        drop_console: true, // eslint-disable-line camelcase
        warnings: false
      } : false,
      mangle: IS_PRODUCTION ? {
          except: ['_'] // don't mangle lodash
      } : false
    })
  ],
  module: {
    loaders: [
      {
        test: /\.js$/,
        exclude: /(node_modules|bower_components)/,
        loader: 'babel-loader', // 'babel-loader' is also a valid name to reference
        query: {
          presets: ['env']
        }
      }
    ]
  }
}

module.exports = config;