How to check the type is enum or not in typescript

Question

I have a string enum type like:

export enum UserRole {
admin = "admin",
active = "active",
blocked = "blocked"
}

I

Answer 1

As @NearHuscarl said there is no way to check that. However you can check if djson.role (string) is one of UserRole (enum) values:

!!(Object.values(UserRole).find(enumValue => enumValue === djson.role)));