How to two-way bind my own RxJS Subject to an [(ngModel)]?

Question

Is there a short and simple way to pass an RxJS Subject or BehaviorSubject to an an Angular 2 directive for two-way binding? The long way to do it would be as follows:

Answer 1

I tried this and it worked

    
    {{ searchTerm | async }}

I'm not sure it this is breaking any rules and if it's buggy or hacky but seems to work for me. I wish Angular had a built it subject directive like they do with forms.

Hope this helps