Angular 4+ Tech Stack

[oneflash]

We have a client that is currently developing in the Angular 4+ tech stack. We have found a Tealium guide on integrating the service within an Angular 2+ application.  Is the example below still feasible use? 

https://github.com/Tealium/integration-angular/blob/master/example/src/app/tealium/utag.service.ts

If not, are there better examples to follow?