@ui-tool/core/esm2020/modules/sentinel/requirement-sentinel/requirement-sentinel.directive.mjs

import { Directive, Inject, Input } from '@angular/core';
import { REQUIREMENT_SENTINEL_SERVICE } from '../../../constants/injectors/injectors';
import { of, Subject, Subscription } from 'rxjs';
import { catchError, distinctUntilChanged, switchMap } from 'rxjs/operators';
import * as i0 from "@angular/core";
export class RequirementSentinelDirective {
    //#endregion
    //#region Constructor
    constructor(_meetRequirementService, _viewContainerRef, _templateRef) {
        this._meetRequirementService = _meetRequirementService;
        this._viewContainerRef = _viewContainerRef;
        this._templateRef = _templateRef;
        this.__requirement = undefined;
        this.__displayContent$ = new Subject();
        this.__subscription = new Subscription();
    }
    //#endregion
    //#region Accessors
    set requirement(value) {
        this.__requirement = value;
        this.__displayContent$.next();
    }
    set elseTemplate(value) {
        this.__elseTemplateRef = value;
        this.__displayContent$.next();
    }
    set context(value) {
        this.__context = value;
        this.__displayContent$.next();
    }
    //#endregion
    //#region Life cycles
    ngOnInit() {
        // Display feature subscription.
        const displayContentSubscription = this.__displayContent$
            .pipe(switchMap(() => {
            return this._meetRequirementService
                .shouldRequirementMetAsync(this.__requirement || '', this.__context)
                .pipe(catchError(_ => of(false)));
        }), distinctUntilChanged())
            .subscribe(ableToAccessFeature => {
            this._viewContainerRef.clear();
            if (!ableToAccessFeature) {
                if (this.__elseTemplateRef) {
                    const elseView = this._viewContainerRef.createEmbeddedView(this.__elseTemplateRef);
                    elseView.markForCheck();
                }
                return;
            }
            const embeddedView = this._viewContainerRef.createEmbeddedView(this._templateRef);
            embeddedView.markForCheck();
        });
        this.__subscription.add(displayContentSubscription);
        // Hook validation event from service.
        const hookValidationEventSubscription = this._meetRequirementService
            .hookValidationEventAsync()
            .subscribe(() => {
            this.__displayContent$.next();
        });
        this.__subscription.add(hookValidationEventSubscription);
        // Do the first requirement check.
        this.__displayContent$.next();
    }
    ngOnDestroy() {
        this.__subscription?.unsubscribe();
    }
}
RequirementSentinelDirective.ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "13.3.11", ngImport: i0, type: RequirementSentinelDirective, deps: [{ token: REQUIREMENT_SENTINEL_SERVICE }, { token: i0.ViewContainerRef }, { token: i0.TemplateRef }], target: i0.ɵɵFactoryTarget.Directive });
RequirementSentinelDirective.ɵdir = i0.ɵɵngDeclareDirective({ minVersion: "12.0.0", version: "13.3.11", type: RequirementSentinelDirective, selector: "[meetRequirement]", inputs: { requirement: ["meetRequirement", "requirement"], elseTemplate: ["meetRequirementElse", "elseTemplate"], context: ["meetRequirementContext", "context"] }, ngImport: i0 });
i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "13.3.11", ngImport: i0, type: RequirementSentinelDirective, decorators: [{
            type: Directive,
            args: [{
                    selector: '[meetRequirement]'
                }]
        }], ctorParameters: function () { return [{ type: undefined, decorators: [{
                    type: Inject,
                    args: [REQUIREMENT_SENTINEL_SERVICE]
                }] }, { type: i0.ViewContainerRef }, { type: i0.TemplateRef }]; }, propDecorators: { requirement: [{
                type: Input,
                args: ['meetRequirement']
            }], elseTemplate: [{
                type: Input,
                args: ['meetRequirementElse']
            }], context: [{
                type: Input,
                args: ['meetRequirementContext']
            }] } });
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