@ng-doc/ui-kit/fesm2022/ng-doc-ui-kit-observables.mjs

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import { Observable, of, pipe } from 'rxjs';
import { startWith, switchMap, map, catchError, tap } from 'rxjs/operators';
import { inject, NgZone } from '@angular/core';

/**
 * @param subscribable
 */
function fromSubscribe(subscribable) {
    return new Observable((observer) => {
        const subscription = subscribable.subscribe((next) => observer.next(next), (error) => observer.error(error), () => observer.complete());
        return () => subscription.unsubscribe();
    });
}

/**
 *
 * @param retry
 */
function observableState(retry) {
    return (source) => {
        let state = {
            result: null,
            error: null,
            pending: false,
        };
        return (retry ? retry.pipe(startWith(null)) : of(null)).pipe(switchMap(() => source.pipe(
        // Map result of observable
        map((result) => ({ result, pending: false })), 
        // Map error of observable
        catchError((error) => of({ result: null, error, pending: false })), 
        // Start from pending state and clear error
        startWith({ error: null, pending: true }), 
        // Merge the current state with new state
        tap((updatedState) => (state = { ...state, ...updatedState })), map(() => state))));
    };
}

class NgDocZoneDetachSourceOperator {
    constructor(ngZone) {
        this.ngZone = ngZone;
    }
    call(observer, source) {
        return this.ngZone.runOutsideAngular(() => source.subscribe(observer));
    }
}
/**
 *
 * @param ngZone
 */
function zoneDetachSource(ngZone) {
    return (source) => source.lift(new NgDocZoneDetachSourceOperator(ngZone));
}
/**
 *
 * @param ngZone
 */
function zoneDetach(ngZone) {
    return (source) => new Observable((subscriber) => source.subscribe({
        next: (value) => ngZone.runOutsideAngular(() => subscriber.next(value)),
        error: (error) => ngZone.runOutsideAngular(() => subscriber.error(error)),
        complete: () => ngZone.runOutsideAngular(() => subscriber.complete()),
    }));
}
/**
 *
 * @param ngZone
 */
function ngDocZoneAttach(ngZone) {
    ngZone = ngZone || inject(NgZone);
    return (source) => new Observable((subscriber) => source.subscribe({
        next: (value) => ngZone.run(() => subscriber.next(value)),
        error: (error) => ngZone.run(() => subscriber.error(error)),
        complete: () => ngZone.run(() => subscriber.complete()),
    }));
}
/**
 *
 * @param ngZone
 */
function ngDocZoneDetach(ngZone) {
    ngZone = ngZone || inject(NgZone);
    return pipe(zoneDetach(ngZone), zoneDetachSource(ngZone));
}
/**
 *
 * @param ngZone
 */
function ngDocZoneOptimize(ngZone) {
    ngZone = ngZone || inject(NgZone);
    return pipe(zoneDetach(ngZone), zoneDetachSource(ngZone), ngDocZoneAttach(ngZone));
}

/**
 * Generated bundle index. Do not edit.
 */

export { fromSubscribe, ngDocZoneAttach, ngDocZoneDetach, ngDocZoneOptimize, observableState };
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