I've noticed some interesting new events within the updated Angular 2 Router.
There's NavigationStart, NavigationEnd, and NavigationFailed (or something similar).
Is there anyone who has successfully implemented these events? I've tried a few things but haven't had any success so far.
The Router offers an events observable that you can subscribe to
constructor(router:Router) {
router.events.subscribe(event => {
if(event instanceof NavigationStart) {
}
// NavigationEnd
// NavigationCancel
// NavigationError
// RoutesRecognized
}
});
Check out these resources as well:
IMPORTANT:
Make sure to import NavigationStart from the router module
import { Router, NavigationStart } from '@angular/router';
If you don't import it, the instanceof check will not work and you'll get an error saying NavigationStart is not defined.
Similar to this
function(
const router:Router
){}
this.router.events
.filter(event=> event instanceof NavigationStart)
.subscribe((event:NavigationStart)=>{
// TASK
});
To ensure success, it is important to include the .pipe() method
this.router.events
.pipe(filter((event) => event instanceof NavigationStart))
.subscribe((event: NavigationStart) => {
// YOUR code here
});
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