@taiga-ui/cdk
Version:
Base library for creating Angular components and applications using Taiga UI principles regarding of actual visual appearance
20 lines • 4.17 kB
JavaScript
import { ɵAnimationEngine as AnimationEngine } from '@angular/animations/browser';
import { inject, InjectionToken } from '@angular/core';
import { BehaviorSubject, map, share, startWith, switchMap, timer } from 'rxjs';
/**
* Element currently being removed by AnimationEngine
*/
export const TUI_REMOVED_ELEMENT = new InjectionToken(ngDevMode ? 'TUI_REMOVED_ELEMENT' : '', {
factory: () => {
const stub = { onRemovalComplete: () => { } };
const element$ = new BehaviorSubject(null);
const engine = inject(AnimationEngine, { optional: true }) || stub;
const { onRemovalComplete = stub.onRemovalComplete } = engine;
engine.onRemovalComplete = (element, context) => {
element$.next(element);
onRemovalComplete.call(engine, element, context);
};
return element$.pipe(switchMap((element) => timer(0).pipe(map(() => null), startWith(element))), share());
},
});
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