+/**
+ * @author: @AngularClass
+ */
+
+const helpers = require('./helpers')
+const webpackMerge = require('webpack-merge') // used to merge webpack configs
+const commonConfig = require('./webpack.common.js') // the settings that are common to prod and dev
+
+/**
+ * Webpack Plugins
+ */
+const ProvidePlugin = require('webpack/lib/ProvidePlugin')
+const DefinePlugin = require('webpack/lib/DefinePlugin')
+const DedupePlugin = require('webpack/lib/optimize/DedupePlugin')
+const UglifyJsPlugin = require('webpack/lib/optimize/UglifyJsPlugin')
+const CompressionPlugin = require('compression-webpack-plugin')
+const WebpackMd5Hash = require('webpack-md5-hash')
+
+/**
+ * Webpack Constants
+ */
+const ENV = process.env.NODE_ENV = process.env.ENV = 'production'
+const HOST = process.env.HOST || 'localhost'
+const PORT = process.env.PORT || 8080
+const METADATA = webpackMerge(commonConfig.metadata, {
+ host: HOST,
+ port: PORT,
+ ENV: ENV,
+ HMR: false
+})
+
+module.exports = webpackMerge(commonConfig, {
+ /**
+ * Switch loaders to debug mode.
+ *
+ * See: http://webpack.github.io/docs/configuration.html#debug
+ */
+ debug: false,
+
+ /**
+ * Developer tool to enhance debugging
+ *
+ * See: http://webpack.github.io/docs/configuration.html#devtool
+ * See: https://github.com/webpack/docs/wiki/build-performance#sourcemaps
+ */
+ devtool: 'source-map',
+
+ /**
+ * Options affecting the output of the compilation.
+ *
+ * See: http://webpack.github.io/docs/configuration.html#output
+ */
+ output: {
+ /**
+ * The output directory as absolute path (required).
+ *
+ * See: http://webpack.github.io/docs/configuration.html#output-path
+ */
+ path: helpers.root('dist'),
+
+ /**
+ * Specifies the name of each output file on disk.
+ * IMPORTANT: You must not specify an absolute path here!
+ *
+ * See: http://webpack.github.io/docs/configuration.html#output-filename
+ */
+ filename: '[name].[chunkhash].bundle.js',
+
+ /**
+ * The filename of the SourceMaps for the JavaScript files.
+ * They are inside the output.path directory.
+ *
+ * See: http://webpack.github.io/docs/configuration.html#output-sourcemapfilename
+ */
+ sourceMapFilename: '[name].[chunkhash].bundle.map',
+
+ /**
+ * The filename of non-entry chunks as relative path
+ * inside the output.path directory.
+ *
+ * See: http://webpack.github.io/docs/configuration.html#output-chunkfilename
+ */
+ chunkFilename: '[id].[chunkhash].chunk.js'
+
+ },
+
+ /**
+ * Add additional plugins to the compiler.
+ *
+ * See: http://webpack.github.io/docs/configuration.html#plugins
+ */
+ plugins: [
+
+ /**
+ * Plugin: WebpackMd5Hash
+ * Description: Plugin to replace a standard webpack chunkhash with md5.
+ *
+ * See: https://www.npmjs.com/package/webpack-md5-hash
+ */
+ new WebpackMd5Hash(),
+
+ /**
+ * Plugin: DedupePlugin
+ * Description: Prevents the inclusion of duplicate code into your bundle
+ * and instead applies a copy of the function at runtime.
+ *
+ * See: https://webpack.github.io/docs/list-of-plugins.html#defineplugin
+ * See: https://github.com/webpack/docs/wiki/optimization#deduplication
+ */
+ new DedupePlugin(),
+
+ /**
+ * Plugin: DefinePlugin
+ * Description: Define free variables.
+ * Useful for having development builds with debug logging or adding global constants.
+ *
+ * Environment helpers
+ *
+ * See: https://webpack.github.io/docs/list-of-plugins.html#defineplugin
+ */
+ // NOTE: when adding more properties make sure you include them in custom-typings.d.ts
+ new DefinePlugin({
+ 'ENV': JSON.stringify(METADATA.ENV),
+ 'HMR': METADATA.HMR,
+ 'process.env': {
+ 'ENV': JSON.stringify(METADATA.ENV),
+ 'NODE_ENV': JSON.stringify(METADATA.ENV),
+ 'HMR': METADATA.HMR
+ }
+ }),
+
+ /**
+ * Plugin: UglifyJsPlugin
+ * Description: Minimize all JavaScript output of chunks.
+ * Loaders are switched into minimizing mode.
+ *
+ * See: https://webpack.github.io/docs/list-of-plugins.html#uglifyjsplugin
+ */
+ // NOTE: To debug prod builds uncomment //debug lines and comment //prod lines
+ new UglifyJsPlugin({
+ // beautify: true, //debug
+ // mangle: false, //debug
+ // dead_code: false, //debug
+ // unused: false, //debug
+ // deadCode: false, //debug
+ // compress: {
+ // screw_ie8: true,
+ // keep_fnames: true,
+ // drop_debugger: false,
+ // dead_code: false,
+ // unused: false
+ // }, // debug
+ // comments: true, //debug
+
+ beautify: false, // prod
+
+ mangle: {
+ screw_ie8: true,
+ keep_fnames: true
+ }, // prod
+
+ compress: {
+ screw_ie8: true
+ }, // prod
+
+ comments: false // prod
+ }),
+
+ /**
+ * Plugin: CompressionPlugin
+ * Description: Prepares compressed versions of assets to serve
+ * them with Content-Encoding
+ *
+ * See: https://github.com/webpack/compression-webpack-plugin
+ */
+ new CompressionPlugin({
+ regExp: /\.css$|\.html$|\.js$|\.map$/,
+ threshold: 2 * 1024
+ })
+
+ ],
+
+ /**
+ * Static analysis linter for TypeScript advanced options configuration
+ * Description: An extensible linter for the TypeScript language.
+ *
+ * See: https://github.com/wbuchwalter/tslint-loader
+ */
+ tslint: {
+ emitErrors: true,
+ failOnHint: true,
+ resourcePath: 'src'
+ },
+
+ /**
+ * Html loader advanced options
+ *
+ * See: https://github.com/webpack/html-loader#advanced-options
+ */
+ // TODO: Need to workaround Angular 2's html syntax => #id [bind] (event) *ngFor
+ htmlLoader: {
+ minimize: true,
+ removeAttributeQuotes: false,
+ caseSensitive: true,
+ customAttrSurround: [
+ [/#/, /(?:)/],
+ [/\*/, /(?:)/],
+ [/\[?\(?/, /(?:)/]
+ ],
+ customAttrAssign: [/\)?\]?=/]
+ },
+
+ /*
+ * Include polyfills or mocks for various node stuff
+ * Description: Node configuration
+ *
+ * See: https://webpack.github.io/docs/configuration.html#node
+ */
+ node: {
+ global: 'window',
+ crypto: 'empty',
+ process: false,
+ module: false,
+ clearImmediate: false,
+ setImmediate: false
+ }
+
+})