How do I detect user navigating back in Angular2?

Question

I have a component and I need to detect if user pressed back button in his browser to navigate back.

Currently I\'m subscribing router events.

constr         


        

Answer 1

As thorin87 answer dont use PlatformLocation. We need subscribe an unsubscribe.

import {Subscription} from 'rxjs/Subscription';    

ngOnInit() {
  this.subscription = this
    .location
    .subscribe(() => x => console.log(x));
}

ngOnDestroy() {
  this.subscription.unsubscribe();
}