javascript - angular 4 simultaneous animations -


i'm trying port webapp angularjs angular 4, , i'm having issues animations. "google images" type of view, have 2 animations need happen simultaneously when item clicked; 1 div needs margin-bottom increase, , child of div needs gradually appear, using ngif , transition on height. both animations work separately, if put both animations on respective elements, first 1 works.

i've made minimal plunker demonstrate mean: https://plnkr.co/edit/27efz3h16icnh3qdzqby?p=preview

const animationtiming = '1s ease'; @component({   selector: 'my-app',   animations: [     trigger('expand',       [         state('expanded', style({"margin-bottom": '392px'})),         state('collapsed', style({"margin-bottom": '0'})),         transition('* => *', animate(animationtiming))       ]),     trigger('visibility',       [         transition(           ':enter', [             style({'height': '0'}),             animate(animationtiming, style({'height': '*'}))           ]         ),         transition(           ':leave', [             style({'height': '*'}),             animate(animationtiming, style({'height': '0'}))           ]         )       ])     ]   template: `     <button (click)="toggle()">click</button><br/>     <div class="container" [@expand]="expanded?'expanded':'collapsed'">       here       <div class="detail" [@visibility] *ngif="expanded">something else in here</div>     </div>     <div class="container">something else</div>   `, }) export class app {   expanded: boolean = false;   toggle() {     this.expanded = !this.expanded;   } }

if click button, should happen new content expands in between "something here" , "something else". happens 2 frames move away each other expected, new content pops immediately. if remove [@expand] animation first div, new content gradually grow out of nothing 2 container divs don't make room it.

is there trick make these animations work simultaneously?


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