ngx-owl-carousel-o/esm2020/lib/services/hash.service.mjs

Angular powered owl-carousel

import { Injectable, Optional } from '@angular/core';
import { merge, of } from 'rxjs';
import { tap, skip, take } from 'rxjs/operators';
import * as i0 from "@angular/core";
import * as i1 from "./carousel.service";
import * as i2 from "@angular/router";
export class HashService {
    constructor(carouselService, route, router) {
        this.carouselService = carouselService;
        this.route = route;
        this.router = router;
        this.spyDataStreams();
        if (!this.route) {
            this.route = {
                fragment: of('no route').pipe(take(1))
            };
        }
        ;
        if (!this.router) {
            this.router = {
                navigate: (commands, extras) => { return; }
            };
        }
    }
    ngOnDestroy() {
        this.hashSubscription.unsubscribe();
    }
    /**
     * Defines Observables which service must observe
     */
    spyDataStreams() {
        const initializedCarousel$ = this.carouselService.getInitializedState().pipe(tap(() => this.listenToRoute()));
        const changedSettings$ = this.carouselService.getChangedState().pipe(tap(data => {
            if (this.carouselService.settings.URLhashListener && data.property.name === 'position') {
                const newCurSlide = this.carouselService.current();
                const newCurFragment = this.carouselService.slidesData[newCurSlide].hashFragment;
                if (!newCurFragment || newCurFragment === this.currentHashFragment) {
                    return;
                }
                this.router.navigate(['./'], { fragment: newCurFragment, relativeTo: this.route });
            }
        }));
        const hashFragment$ = merge(initializedCarousel$, changedSettings$);
        this.hashSubscription = hashFragment$.subscribe(() => { });
    }
    /**
     * rewinds carousel to slide which has the same hashFragment as fragment of current url
     * @param fragment fragment of url
     */
    rewind(fragment) {
        const position = this.carouselService.slidesData.findIndex(slide => slide.hashFragment === fragment && slide.isCloned === false);
        if (position === -1 || position === this.carouselService.current()) {
            return;
        }
        this.carouselService.to(this.carouselService.relative(position), false);
    }
    /**
     * Initiate listening to ActivatedRoute.fragment
     */
    listenToRoute() {
        const count = this.carouselService.settings.startPosition === 'URLHash' ? 0 : 2;
        this.route.fragment.pipe(skip(count))
            .subscribe(fragment => {
            this.currentHashFragment = fragment;
            this.rewind(fragment);
        });
    }
}
HashService.ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "15.0.2", ngImport: i0, type: HashService, deps: [{ token: i1.CarouselService }, { token: i2.ActivatedRoute, optional: true }, { token: i2.Router, optional: true }], target: i0.ɵɵFactoryTarget.Injectable });
HashService.ɵprov = i0.ɵɵngDeclareInjectable({ minVersion: "12.0.0", version: "15.0.2", ngImport: i0, type: HashService });
i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "15.0.2", ngImport: i0, type: HashService, decorators: [{
            type: Injectable
        }], ctorParameters: function () { return [{ type: i1.CarouselService }, { type: i2.ActivatedRoute, decorators: [{
                    type: Optional
                }] }, { type: i2.Router, decorators: [{
                    type: Optional
                }] }]; } });
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