import { state, style, transition, animate, keyframes, } from "@angular/animations"; export const fadeState = [ state( "fade", style({ opacity: 1, }) ), transition("void => fade", [ style({ opacity: 0, }), animate("100ms"), ]), transition("fade => void", [ animate( "100ms", keyframes([ style({ opacity: 1, }), style({ opacity: 0, }), ]) ), ]), ];