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.

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Answer 1

import { HostListener } from '@angular/core';

and then listen for popstate on the window object:

  @HostListener('window:popstate', ['$event'])
  onPopState(event) {
    console.log('Back button pressed');
  }

This code works for me on latest Angular 2.