why I am not able to import lodash in angular2
<p>I am using angular-cli in angular2 rc1 for development.</p>

<p>I have installed lodash node_module through npm and configured it in systemjs using following:</p>

<p><strong>system.config.ts</strong></p>

<pre><code>/***********************************************************************************************
* User Configuration.
**********************************************************************************************/
/** Map relative paths to URLs. */
const map: any = {
};

/** User packages configuration. */
const packages: any = {
};

////////////////////////////////////////////////////////////////////////////////////////////////
/***********************************************************************************************
 * Everything underneath this line is managed by the CLI.
 **********************************************************************************************/
const barrels: string[] = [
  // Angular specific barrels.
  '@angular/core',
  '@angular/common',
  '@angular/compiler',
  '@angular/http',
  '@angular/router',
  '@angular/platform-browser',
  '@angular/platform-browser-dynamic',
  'ng2-dnd',
  'ng2-bootstrap',
  'moment',
  'lodash',

  // Thirdparty barrels.
  'rxjs',

 // App specific barrels.
 'app',
 'app/shared',     
 /** @cli-barrel */
];

const cliSystemConfigPackages: any = {};
barrels.forEach((barrelName: string) =&gt; {
    if(barrelName=='ng2-dnd'){
        cliSystemConfigPackages[barrelName] = { main: 'ng2-dnd' };
    }else if (barrelName == 'ng2-bootstrap') {
        cliSystemConfigPackages[barrelName] = { main: 'ng2-bootstrap' };
    }else if (barrelName == 'lodash') {
        cliSystemConfigPackages[barrelName] = { main: 'lodash' };
    }else if (barrelName == 'moment') {
        cliSystemConfigPackages[barrelName] = { main: 'moment' };
    }else{
        cliSystemConfigPackages[barrelName] = { main: 'index' };
    }

});

/** Type declaration for ambient System. */
declare var System: any;

// Apply the CLI SystemJS configuration.
System.config({
  map: {
    '@angular': 'vendor/@angular',
    'rxjs': 'vendor/rxjs',
    'main': 'main.js',
    'ng2-dnd': 'vendor/ng2-dnd',
    'ng2-bootstrap':'vendor/ng2-bootstrap',
    'moment':'vendor/moment',
    'lodash':'vendor/lodash'
 },
 meta: {
    lodash: { format: 'amd' }
 },  
 packages: cliSystemConfigPackages
});

// Apply the user's configuration.
System.config({ map, packages });
</code></pre>

<p>I would just like to note that other node_modules are working correctly i.e. moment,ng2-bootstrap etc.
<strong>angular-cli-build.js</strong></p>

<pre><code>/* global require, module */

var Angular2App = require('angular-cli/lib/broccoli/angular2-app');

module.exports = function(defaults) {
   return new Angular2App(defaults, {
     vendorNpmFiles: [
       'systemjs/dist/system-polyfills.js',
       'systemjs/dist/system.src.js',
       'zone.js/dist/**/*.+(js|js.map)',
       'es6-shim/es6-shim.js',
       'reflect-metadata/**/*.+(js|js.map)',
       'rxjs/**/*.+(js|js.map)',
       '@angular/**/*.+(js|js.map)',
       'ng2-dnd/**/*.js',
       'ng2-bootstrap/**/*.js',
       'moment/*.js',
       'lodash/*.js'
     ]
   });
 };
</code></pre>

<p>after this configuration of lodash node_module, I am importing it from the directory <code>dist\vendors\lodash</code></p>

<p>in my app.component i am importing it as :</p>

<pre><code>import _ from 'lodash';
</code></pre>

<p>But I am getting below error:</p>

<blockquote>
  <p>Cannot find module 'lodash'</p>
</blockquote>

<p>any solutions?
thanks in advance</p>