import { AfterContentInit , Directive , Host , Optional } from '@angular/core' ; import { DeepLinker } from '../../navigation/deep-linker' ; import { NavPush } from './nav-push' ; hidden @ Directive ( { selector : 'a[navPush]' , host : { '[attr.href]' : '_href' } } ) export class NavPushAnchor implements AfterContentInit { _href : string ; constructor ( @ Host ( ) public host , @ Optional ( ) public linker ) { } updateHref ( ) { if ( this . host && this . linker ) { this . _href = this . linker . createUrl ( this . host . _nav , this . host . navPush , this . host . navParams ) || '#' ; } else { this . _href = '#' ; } } ngAfterContentInit ( ) { this . updateHref ( ) ; } }