title: Uploading large video files using angular
body: <p>after googling for a way to upload a big file using angular 4, i found nothing.</p>
  
  <p>i found this <a href="https://github.com/danialfarid/ng-file-upload" rel="noreferrer">ng-file-upload</a> in this question <a href="https://stackoverflow.com/questions/29332169/upload-big-files-in-spa-angular-express">Upload big files in SPA (angular + express)</a>, but it's for angularjs, is there any thing for angular 4 ?</p>