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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 | 222x 222x 222x 222x 222x 222x 20x 20x 20x 20x 20x 20x 20x 20x 10x 10x 20x 20x 20x 20x | import { ChangeDetectorRef, DestroyRef, Directive, Input, TemplateRef, ViewContainerRef, inject } from '@angular/core';
import { takeUntilDestroyed } from '@angular/core/rxjs-interop';
import { ReplaySubject, Subscription } from 'rxjs';
import { distinctUntilChanged } from 'rxjs/operators';
import { FeatureToggleService, FeatureToggleType } from 'ish-core/feature-toggle.module';
/**
* Structural directive.
* Used on an element, this element will only be rendered if the specified feature *is not enabled*.
*
* For the negated case see {@link FeatureToggleDirective}.
*
* @example
* <div *ishNotFeature="'quoting'">
* Only visible when quoting is NOT enabled by configuration.
* </div>
*/
@Directive({
selector: '[ishNotFeature]',
})
export class NotFeatureToggleDirective {
private subscription: Subscription;
private disabled$ = new ReplaySubject<boolean>(1);
private destroyRef = inject(DestroyRef);
constructor(
private templateRef: TemplateRef<unknown>,
private viewContainer: ViewContainerRef,
private featureToggle: FeatureToggleService,
private cdRef: ChangeDetectorRef
) {
this.disabled$.pipe(distinctUntilChanged(), takeUntilDestroyed()).subscribe(disabled => {
if (disabled) {
this.viewContainer.createEmbeddedView(this.templateRef);
} else {
this.viewContainer.clear();
}
this.cdRef.markForCheck();
});
}
@Input() set ishNotFeature(val: 'always' | 'never' | FeatureToggleType) {
// end previous subscription and newly subscribe
Iif (this.subscription) {
// eslint-disable-next-line ban/ban
this.subscription.unsubscribe();
}
this.subscription = this.featureToggle
.enabled$(val)
.pipe(takeUntilDestroyed(this.destroyRef))
.subscribe({ next: value => this.disabled$.next(!value) });
}
}
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