webpack.config.js

const path = require('path');
const webpack = require('webpack');
const typescript = require('typescript');
const { AotPlugin } = require('@ngtools/webpack');

const rules = [
  { test: /\.html$/, loader: 'html-loader' },
  { test: /\.scss$/, loaders: ['raw-loader', 'sass-loader'] },
  { test: /\.(jpe?g|png|gif|svg)$/i, loader: 'file-loader' }
];
const plugins = [
  new webpack.DefinePlugin({
    'process.env': {
      'NODE_ENV': JSON.stringify(process.env.NODE_ENV)
    }
  }),
  new webpack.optimize.CommonsChunkPlugin({
    name: 'vendor',
    minChunks: (module) => module.context && /node_modules/.test(module.context)
  })
];

if (process.env.NODE_ENV === 'production') {
  rules.push({
    test: /\.ts$/, loaders: ['@ngtools/webpack']
  });
  plugins.push(
    new AotPlugin({
      tsConfigPath: './tsconfig.json',
      entryModule: 'app/app.module#AppModule'
    }),
    new webpack.LoaderOptionsPlugin({
      minimize: true,
      debug: false
    }),
    new webpack.optimize.UglifyJsPlugin({
      sourceMap: true,
      beautify: false,
      mangle: {
        screw_ie8: true
      },
      compress: {
        unused: true,
        dead_code: true,
        drop_debugger: true,
        conditionals: true,
        evaluate: true,
        drop_console: true,
        sequences: true,
        booleans: true,
        screw_ie8: true,
        warnings: false
      },
      comments: false
    })
  );
} else {
  rules.push({
    test: /\.ts$/,
    loaders: ['awesome-typescript-loader', 'angular2-template-loader']
  });
  plugins.push(
    new webpack.NamedModulesPlugin(),
    new webpack.ContextReplacementPlugin(/angular(\\|\/)core(\\|\/)@angular/, path.resolve(__dirname, './notfound'))
  );
}

module.exports = {
  cache: true,
  context: __dirname,
  devServer: {
    contentBase: __dirname,
    historyApiFallback: true,
    stats: {
      chunks: false,
      chunkModules: false,
      chunkOrigins: false,
      errors: true,
      errorDetails: false,
      hash: false,
      timings: false,
      modules: false,
      warnings: false
    },
    publicPath: '/build/',
    port: 3000
  },
  devtool: 'sourcemap',
  entry: {
    app: ['zone.js/dist/zone', './app/main.ts']
  },
  output: {
    filename: '[name].js',
    chunkFilename: '[name]-chunk.js',
    publicPath: '/build/',
    path: path.resolve(__dirname, 'build')
  },
  node: {
    console: false,
    global: true,
    process: true,
    Buffer: false,
    setImmediate: false
  },
  module: {
    rules
  },
  resolve: {
    extensions: ['.ts', '.js']
  },
  plugins
};