title: Compilation error : Cannot find module 'util'
body: <p>I'm new programmer on angular2. I have problem when compile with angular cli. </p>
  
  <p>I generate angular 2 project by angular cli.
  I'm trying to use <code>debuglog</code> module on <code>node_modules/@types/node</code> by import module like this: <code>import {debuglog} from "util";</code>
  I use Webstorm IDE for develop and the ide do not warning or error with my import. I checked and found <code>debuglog</code> module in path: <code>myproject/node_modules/@types/node/index.d.ts</code>.</p>
  
  <p>What's wrong in my code? Have any suggestion for fix it?</p>
  
  <p>Project on Github: <a href="https://github.com/sinhpn92/angular2-example-types-node" rel="noreferrer">https://github.com/sinhpn92/angular2-example-types-node</a></p>
  
  <p>Version of environments:</p>
  
  <pre><code>@angular/cli: 1.0.0-rc.1
  node: 7.7.1
  os: darwin x64
  @angular/common: 2.4.9
  @angular/compiler: 2.4.9
  @angular/core: 2.4.9
  @angular/forms: 2.4.9
  @angular/http: 2.4.9
  @angular/platform-browser: 2.4.9
  @angular/platform-browser-dynamic: 2.4.9
  @angular/router: 3.4.9
  @angular/upgrade: 2.2.4
  @angular/cli: 1.0.0-rc.1
  @angular/compiler-cli: 2.4.9
  </code></pre>
  
  <p><a href="https://i.stack.imgur.com/UUiqM.png" rel="noreferrer"><img src="https://i.stack.imgur.com/UUiqM.png" alt="enter image description here"></a></p>