title: npm run build get npm ERR! code ELIFECYCLE
body: <p>I'm learning angular with webpack and I got stuck on a webpack episode. Whenever I try to run <code>npm run build</code> command on my CMD I get this error:</p>
  
  <blockquote>
    <p>npm ERR! code ELIFECYCLE</p>
    
    <p>npm ERR! errno 2
    npm ERR! open-house@1.0.0 build: <code>webpack --config config/webpack.prod.js</code></p>
    
    <p>npm ERR! Exit status 2</p>
    
    <p>npm ERR!</p>
    
    <p>npm ERR! Failed at the open-house@1.0.0 build script.</p>
    
    <p>npm ERR! This is probably not a problem with npm. There is likely additional > </p>
  </blockquote>
  
  <p>After searching for various solutions on the web I end up here in hope you guys can help me. Here is the <em>webpack.config.js</em>:</p>
  
  <pre class="lang-js prettyprint-override"><code>module.exports = function (options) {
      return webpackMerge(commonConfig, {
  
      /**
       * 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: 'cheap-module-eval-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(pathBuild),
  
          /**
           * 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].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].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].chunk.js'
  
      },
  
      plugins: [
  
        /**
         * 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: NamedModulesPlugin (experimental)
         * Description: Uses file names as module name.
         *
         * See: https://github.com/webpack/webpack/commit/a04ffb928365b19feb75087c63f13cadfc08e1eb
         */
        // new NamedModulesPlugin(),
  
        /**
         * Plugin LoaderOptionsPlugin (experimental)
         *
         * See: https://gist.github.com/sokra/27b24881210b56bbaff7
         */
        new LoaderOptionsPlugin({
          debug: true,
          options: {
            context: helpers.root('src'),
            output: {
                path: helpers.root(pathBuild)
            },
  
            /**
             * 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: false,
              failOnHint: false,
              resourcePath: 'src'
            }
          }
        })
      ],
  
      /**
       * Webpack Development Server configuration
       * Description: The webpack-dev-server is a little node.js Express server.
       * The server emits information about the compilation state to the client,
       * which reacts to those events.
       *
       * See: https://webpack.github.io/docs/webpack-dev-server.html
       */
      // devServer: {
          // port: METADATA.port,
          // host: METADATA.host,
          // historyApiFallback: true,
          // watchOptions: {
              // aggregateTimeout: 300,
              // poll: 1000
          // },
          // outputPath: helpers.root(pathBuild)
      // },
  
      /*
       * 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',
          process: true,
          module: false,
          clearImmediate: false,
          setImmediate: false
      }
  });};
  </code></pre>
  
  <p>And file <em>package.json</em>:</p>
  
  <pre class="lang-json prettyprint-override"><code>{
    "version": "1.0.0",
    "name": "",
    "private": true,
    "scripts": {
      "start": "webpack-dev-server --inline --progress",
      "test": "karma start",
      "protractor": "protractor",
      "e2e:live": "npm run e2e -- --elementExplorer",
      "e2e": "npm run protractor",
      "pree2e": "npm run webdriver:update -- --standalone",
      "webdriver-manager": "webdriver-manager",
      "webdriver:start": "npm run webdriver-manager start",
      "webdriver:update": "npm run webdriver-manager update",
      "tslint": "tslint",
      "build": "webpack --config config/webpack.prod.js",
      "build:dev": "webpack --config config/webpack.dev.js",
      "build:prod": "webpack --config config/webpack.prod.js",
      "webpack": "webpack",
      "rimraf": "rimraf",
      "rebuild-sass": "npm rebuild node-sass"
    },
    "dependencies": {
      "@angular/animations": "^4.0.2",
      "@angular/common": "^4.0.2",
      "@angular/compiler": "^4.0.2",
      "@angular/compiler-cli": "^4.0.2",
      "@angular/core": "^4.0.2",
      "@angular/forms": "^4.0.2",
      "@angular/http": "^4.0.2",
      "@angular/platform-browser": "^4.0.2",
      "@angular/platform-browser-dynamic": "^4.0.2",
      "@angular/platform-server": "^4.0.2",
      "@angular/router": "^4.0.2",
      "@angularclass/conventions-loader": "^1.0.2",
      "@angularclass/hmr": "~1.2.2",
      "@angularclass/hmr-loader": "~3.0.2",
      "@ngx-translate/core": "^6.0.1",
      "@ngx-translate/http-loader": "0.0.3",
      "amcharts3": "github:amcharts/amcharts3",
      "ammap3": "github:amcharts/ammap3",
      "angulartics2": "^2.0.0",
      "animate.css": "3.5.2",
      "assets-webpack-plugin": "3.5.1",
      "bootstrap": "4.0.0-alpha.4",
      "bootstrap-loader": "2.0.0-beta.19",
      "chart.js": "1.1.1",
      "chartist": "0.10.1",
      "ckeditor": "4.6.2",
      "core-js": "2.4.1",
      "extract-text-webpack-plugin": "2.1.0",
      "font-awesome": "4.7.0",
      "font-awesome-animation": "0.1.0",
      "font-awesome-sass-loader": "2.0.1",
      "fullcalendar": "3.6.2",
      "google-maps": "3.2.1",
      "http-server": "0.9.0",
      "ie-shim": "0.1.0",
      "ionicons": "2.0.1",
      "jquery": "3.2.1",
      "jquery-slimscroll": "1.3.8",
      "jquery-touch-events": "1.0.7",
      "leaflet": "0.7.7",
      "leaflet-map": "0.2.1",
      "lodash": "4.17.4",
      "moment": "^2.13.0",
      "ng2-ckeditor": "1.1.6",
      "ng2-responsive": "^0.6.9",
      "ng2-slim-loading-bar": "^2.0.4",
      "ng2-toasty": "^4.0.0",
      "ng2-validation": "^4.2.0",
      "ngx-pipes": "^1.5.7",
      "ngx-uploader": "2.2.5",
      "normalize.css": "6.0.0",
      "postcss-load-config": "1.0.0",
      "postcss-loader": "1.3.3",
      "primeng": "5.2.2",
      "rxjs": "^5.5.3",
      "tether": "1.4.0",
      "typescript": "~2.3.3",
      "zone.js": "0.8.5",
      "webpack-sources": "^1.0.1"
    },
    "devDependencies": {
      "angular2-router-loader": "^0.3.4",
      "angular2-template-loader": "^0.6.0",
      "@types/fullcalendar": "2.7.40",
      "@types/hammerjs": "2.0.34",
      "@types/jasmine": "2.5.47",
      "@types/jquery": "2.0.41",
      "@types/jquery.slimscroll": "1.3.30",
      "@types/lodash": "4.14.61",
      "@types/node": "7.0.12",
      "@types/source-map": "0.5.0",
      "@types/uglify-js": "2.6.28",
      "@types/webpack": "2.2.14",
      "ts-helpers": "1.1.2",
      "ts-node": "3.0.2",
      "tslib": "1.6.0",
      "tslint": "4.5.1",
      "typedoc": "0.5.10",
      "gh-pages": "0.12.0",
      "parse5": "^2.2.2",
      "rimraf": "2.6.1",
      "codelyzer": "2.1.1",
      "awesome-typescript-loader": "3.1.2",
      "url-loader": "0.5.8",
      "style-loader": "0.16.1",
      "raw-loader": "0.5.1",
      "source-map-loader": "0.2.1",
      "string-replace-loader": "1.2.0",
      "imports-loader": "0.7.1",
      "json-loader": "0.5.4",
      "css-loader": "0.28.0",
      "exports-loader": "0.6.4",
      "expose-loader": "0.7.3",
      "file-loader": "0.11.1",
      "to-string-loader": "1.1.5",
      "sass-loader": "6.0.3",
      "resolve-url-loader": "2.0.2",
      "html-loader": "^0.4.4",
      "postcss-loader": "1.3.3",
      "istanbul-instrumenter-loader": "2.0.0",
      "node-sass": "4.7.2",
      "html-webpack-plugin": "^3.2.0",
      "copy-webpack-plugin": "4.0.1",
      "v8-lazy-parse-webpack-plugin": "^0.3.0",
      "webpack": "2.3.3",
      "webpack-dev-middleware": "1.10.1",
      "webpack-dev-server": "2.4.2",
      "webpack-dll-bundles-plugin": "1.0.0-beta.5",
      "webpack-merge": "4.1.0",
      "webpack-externals-plugin": "^1.0.0",
      "webpack-md5-hash": "^0.0.5",
      "compression-webpack-plugin": "^1.1.10",
      "script-ext-html-webpack-plugin": "1.7.1",
      "extract-text-webpack-plugin": "2.1.0",
      "es6-promise": "4.1.0",
      "es6-shim": "0.35.3",
      "es7-reflect-metadata": "1.6.0",
      "ng2-validation": "^4.2.0"
    }
  }
  </code></pre>
  
  <p>Thanks for your help!</p>