title: How to make Visual Studio 2017 intellisense work with javascript?
body: <p>Running on Visual Studio 2017 with the new Javascript Language Service enabled:</p>
  
  <p>1) Create a ASP.NET Core Web Application</p>
  
  <p>2) NPM Install a package which includes a d.ts definitions
     (e.g. npm install axios)</p>
  
  <p>3) Try to consume the installed js in a plain js file 
     (not in a typescript file!) </p>
  
  <p>4) You don't get any intellisense</p>
  
  <p><a href="https://i.stack.imgur.com/N75h4.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/N75h4.png" alt="enter image description here"></a></p>
  
  <p>If you import the library intelisense lights up:</p>
  
  <p><a href="https://i.stack.imgur.com/KEH7w.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/KEH7w.png" alt="enter image description here"></a></p>
  
  <p>So my question is:</p>
  
  <p>What is the correct way to get intellisense without importing the module?</p>