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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 | 223x 223x 223x 223x 223x 223x 20x 20x 20x 20x 20x 20x 40x 40x 30x 20x 10x 30x 20x | import { ChangeDetectorRef, Directive, Input, TemplateRef, ViewContainerRef } from '@angular/core';
import { takeUntilDestroyed } from '@angular/core/rxjs-interop';
import { BehaviorSubject, of } from 'rxjs';
import { distinctUntilChanged, map, switchMap } 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 feature$ = new BehaviorSubject<'always' | 'never' | FeatureToggleType>(undefined);
constructor(
private templateRef: TemplateRef<unknown>,
private viewContainer: ViewContainerRef,
private featureToggle: FeatureToggleService,
private cdRef: ChangeDetectorRef
) {
this.feature$
.pipe(
switchMap(val => (val ? this.featureToggle.enabled$(val) : of(false))),
map(value => !value),
distinctUntilChanged(),
takeUntilDestroyed()
)
.subscribe(disabled => {
if (disabled) {
this.viewContainer.createEmbeddedView(this.templateRef);
} else {
this.viewContainer.clear();
}
this.cdRef.markForCheck();
});
}
@Input() set ishNotFeature(val: 'always' | 'never' | FeatureToggleType) {
this.feature$.next(val);
}
}
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