Does webstorm reference checking with Angular

I am new to Webstorm. I am used to resharper in c# where I strived to keep all my files green. It seems like a monumental task to clean up javascript files.  I noticed that webstorm always complains about missing references even when they are added as external libraries.  This leaves my project with alot of false positives rendering the checking as useless. A good example of this is the anglular project created by the project. new. It is incredibly "dirty". Index.html has over 15 reference errors! Does this check not work or Is therre something that is not explained.

thanks

Keith