+/**
+ * @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
+const videoEmbedConfig = require('./webpack.video-embed.js')
+
+/**
+ * Webpack Plugins
+ */
+const DefinePlugin = require('webpack/lib/DefinePlugin')
+const LoaderOptionsPlugin = require('webpack/lib/LoaderOptionsPlugin')
+const NormalModuleReplacementPlugin = require('webpack/lib/NormalModuleReplacementPlugin')
+const OptimizeJsPlugin = require('optimize-js-plugin')
+const UglifyJsPlugin = require('webpack/lib/optimize/UglifyJsPlugin')
+const HashedModuleIdsPlugin = require('webpack/lib/HashedModuleIdsPlugin')
+
+/**
+ * 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({env: ENV}).metadata, {
+ host: HOST,
+ port: PORT,
+ ENV: ENV,
+ HMR: false,
+ API_URL: ''
+})
+
+module.exports = function (env) {
+ return [
+ videoEmbedConfig({ env: ENV }),
+
+ webpackMerge(commonConfig({ env: ENV }), {
+ /**
+ * 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: '[file].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: '[name].[chunkhash].chunk.js',
+
+ publicPath: '/client/'
+ },
+
+ module: {
+ rules: [
+ {
+ test: /junk\/index\.js$/,
+ // exclude: /(node_modules|bower_components)/,
+ use: {
+ loader: 'babel-loader',
+ options: {
+ presets: [ 'env' ]
+ }
+ }
+ }
+ ]
+ },
+
+ /**
+ * Add additional plugins to the compiler.
+ *
+ * See: http://webpack.github.io/docs/configuration.html#plugins
+ */
+ plugins: [
+
+ /**
+ * Webpack plugin to optimize a JavaScript file for faster initial load
+ * by wrapping eagerly-invoked functions.
+ *
+ * See: https://github.com/vigneshshanmugam/optimize-js-plugin
+ */
+
+ new OptimizeJsPlugin({
+ sourceMap: false
+ }),
+
+ /**
+ * 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,
+ 'API_URL': JSON.stringify(METADATA.API_URL),
+ 'process.version': JSON.stringify(process.version),
+ '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
+ output: {
+ comments: false
+ }, // prod
+ mangle: {
+ screw_ie8: true
+ }, // prod
+ compress: {
+ screw_ie8: true,
+ warnings: false,
+ conditionals: true,
+ unused: true,
+ comparisons: true,
+ sequences: true,
+ dead_code: true,
+ evaluate: true,
+ if_return: true,
+ join_vars: true,
+ negate_iife: false // we need this for lazy v8
+ }
+ }),
+
+ new NormalModuleReplacementPlugin(
+ /angular2-hmr/,
+ helpers.root('config/empty.js')
+ ),
+
+ new NormalModuleReplacementPlugin(
+ /zone\.js(\\|\/)dist(\\|\/)long-stack-trace-zone/,
+ helpers.root('config/empty.js')
+ ),
+
+ new HashedModuleIdsPlugin(),
+
+ /**
+ * Plugin: IgnorePlugin
+ * Description: Don’t generate modules for requests matching the provided RegExp.
+ *
+ * See: http://webpack.github.io/docs/list-of-plugins.html#ignoreplugin
+ */
+
+ // new IgnorePlugin(/angular2-hmr/),
+
+ /**
+ * Plugin: CompressionPlugin
+ * Description: Prepares compressed versions of assets to serve
+ * them with Content-Encoding
+ *
+ * See: https://github.com/webpack/compression-webpack-plugin
+ */
+ // install compression-webpack-plugin
+ // new CompressionPlugin({
+ // regExp: /\.css$|\.html$|\.js$|\.map$/,
+ // threshold: 2 * 1024
+ // })
+
+ /**
+ * Plugin LoaderOptionsPlugin (experimental)
+ *
+ * See: https://gist.github.com/sokra/27b24881210b56bbaff7
+ */
+ new LoaderOptionsPlugin({
+ minimize: true,
+ debug: false,
+ options: {
+
+ /**
+ * 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: [
+ [/#/, /(?:)/],
+ [/\*/, /(?:)/],
+ [/\[?\(?/, /(?:)/]
+ ],
+ customAttrAssign: [/\)?]?=/]
+ },
+
+ // FIXME: Remove
+ // https://github.com/bholloway/resolve-url-loader/issues/36
+ // https://github.com/jtangelder/sass-loader/issues/289
+ context: __dirname,
+ output: {
+ path: helpers.root('dist')
+ }
+ }
+ })
+ ],
+
+ /*
+ * Include polyfills or mocks for various node stuff
+ * Description: Node configuration
+ *
+ * See: https://webpack.github.io/docs/configuration.html#node
+ */
+ node: {
+ global: true,
+ crypto: 'empty',
+ fs: 'empty',
+ process: true,
+ module: false,
+ clearImmediate: false,
+ setImmediate: false
+ }
+
+ })
+ ]
+}