title: Module not found: Error: Can't resolve 'dgram' in node-ssdp
body: <p>After installing rokujs via npm, Can't seem to get past this error:
  The package is installed correctly.
  No other errors reported.</p>
  
  <p>Any ideas?</p>
  
  <pre><code>ERROR in ./~/node-ssdp/lib/index.js
          Module not found: Error: Can't resolve 'dgram' in 'C:\VisualStudio\Repos\App\App.PWA\node_modules\node-ssdp\lib'
           @ ./~/node-ssdp/lib/index.js 3:12-28
           @ ./~/node-ssdp ^.*index$
           @ ./~/node-ssdp/index.js
           @ ./~/rokujs/lib/roku.js
           @ ./~/rokujs/index.js
           @ ./ClientApp/app/components/home/home.component.ts
           @ ./ClientApp/app/app.shared.module.ts
           @ ./ClientApp/app/app.browser.module.ts
           @ ./ClientApp/boot.browser.ts
           @ multi event-source-polyfill webpack-hot-middleware/client?path=__webpack_hmr&amp;dynamicPublicPath=true ./ClientApp/boot.browser.ts
  </code></pre>