webpack.prod.js

var webpack = require('webpack');
var webpackMerge = require('webpack-merge');
var ExtractTextPlugin = require('extract-text-webpack-plugin');
var commonConfig = require('./webpack.common.js');
var helpers = require('./helpers');
var AotPlugin = require('@ngtools/webpack').AotPlugin;

module.exports = function(env) {
  return webpackMerge({
    plugins: [
    new AotPlugin({
      tsConfigPath: 'tsconfig-aot.json',
      entryModule: helpers.root('src/app/app.module#AppModule')
    }),
    ]
  }, commonConfig, {
    devtool: 'source-map',

    output: {
      path: helpers.root('dist'),
      publicPath: '/',
      filename: '[name].[hash].js',
      chunkFilename: '[id].[hash].chunk.js'
    },

    module: {
      rules: [
      {
        test: /index\.html$/,
        loader: 'string-replace-loader',
        query: {
          multiple: [
          {
            search: 'PIWIK_URL',
            replace: credentials_file(env).PIWIK_URL,
            flags: 'g'
          },
          {
            search: 'PIWIK_SITE_ID',
            replace: credentials_file(env).PIWIK_SITE_ID,
            flags: 'g'
          },
          {
            search: '{{GTM_ID}}',
            replace: credentials_file(env).GTM_ID,
            flags: 'g'
          }
          ]
        }

      },
      {
        test: /\.ts$/,
        use: ['@ngtools/webpack']
      }
      ]
    },

    plugins: [
    new webpack.NoEmitOnErrorsPlugin(),
    new webpack.optimize.UglifyJsPlugin({ // https://github.com/angular/angular/issues/10618
      compress: { warnings: false },
      mangle: {
        keep_fnames: true
      }
    }),
    new webpack.LoaderOptionsPlugin({
      htmlLoader: {
        minimize: false // workaround for ng2
      }
    }),
    new ExtractTextPlugin('[name].[hash].css'),
    new webpack.EnvironmentPlugin(credentials_file(env))
    ]
  });
};


function credentials_file(env) {
  return credentials = require('./credentials/' + env + '.json');
}