Argument of type 'string | null' is not assignable to parameter of type 'string'. Type 'null' is not assignable to type 'string'

Question

I have a dotnetcore 20 and angular4 project that I am trying to create a userService and get the user to my home component. The backend works just fine but the service doesn

Answer 1

the accepted answer is correct, just wants to add a newer and shorter answer.

this.currentUser = JSON.parse(localStorage.getItem('currentUser')!);