angular4 - Toggle an auxiliary router outlet in angular -


i want toggle auxiliary/named router outlet :

<a *ngif="asideshow$ | async link" [routerlink]="[{outlets:{aside: link}}]">toggle</a>

the link variable either null or string required named outlet display. problem if asideshow$ observable emits null value, element dissapear...

how can achieve without ngif ? want keep code reactive async pipe.


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