text: process.env.BABEL_ENV = 'main';
  
  const path = require('path');
  const pkg = require('./app/package.json');
  const webpack = require('webpack');
  
  let mainConfig = {
    entry: {
      main: path.join(__dirname, 'app/src/main/index.js')
    },
    externals: Object.keys(pkg.dependencies || {}),
    module: {
      rules: [
        {
          test: /\.js$/,
          loader: 'babel-loader',
          exclude: /node_modules/
        },
        {
          test: /\.json$/,
          loader: 'json-loader'
        },
        {
          test: /\.node$/,
          loader: 'node-loader'
        }
      ]
    },
    node: {
      __dirname: false,
      __filename: false
    },
    output: {
      filename: '[name].js',
      libraryTarget: 'commonjs2',
      path: path.join(__dirname, 'app/dist')
    },
    plugins: [
      new webpack.NoEmitOnErrorsPlugin(),
      new webpack.DefinePlugin({
        'process.env.NODE_ENV': '"production"'
      }),
      new webpack.optimize.UglifyJsPlugin({
        compress: {
          warnings: false
        }
      })
    ],
    resolve: {
      extensions: ['.js', '.json', '.node'],
      modules: [
        path.join(__dirname, 'app/node_modules')
      ]
    },
    target: 'electron-main'
  };
  
  module.exports = mainConfig;
  