experimental decorator warning in angular2?

Question

I am new to Angular2

When I renaming some file like app.states.ts to app.routes.ts then my editor is showing warning on one of my Componet. Result coming perfect, I did n't understood that why I am getting this warning.

I am using WEBSTROM IDe

This this

Please help me to remove this warning

Answer 1

Add this option to your tsconfig.json :

{
  "compilerOptions": {
    ...
    "experimentalDecorators": true,
    ...
   }
}

Answer 2

I have the similar problem and I solved it, when I find 2 files "package.json" in project folder and in folder "UI". I removed file from "UI" folder and everything went properly.