import { animate , keyframes , style , transition } from '@angular/animations' ; export function bounceAnimation ( ms = 300 ) { return [ transition ( 'void => *' , animate ( 300 ) ) , transition ( '* => *' , animate ( ms , keyframes ( [ style ( { transform : 'translateY(0)' , offset : 0 } ) , style ( { transform : 'translateY(-15px)' , offset : 0.3 } ) , style ( { transform : 'translateY(0)' , offset : 1.0 } ) ] ) ) ) ] ; }