ngx-owl-carousel-o
Version:
Angular powered owl-carousel
81 lines • 11.4 kB
JavaScript
import * as tslib_1 from "tslib";
import { Injectable, Optional } from '@angular/core';
import { ActivatedRoute, Router } from '@angular/router';
import { merge, of } from 'rxjs';
import { tap, skip, take } from 'rxjs/operators';
import { CarouselService } from './carousel.service';
var HashService = /** @class */ (function () {
function HashService(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: function (commands, extras) { return; }
};
}
}
HashService.prototype.ngOnDestroy = function () {
this.hashSubscription.unsubscribe();
};
/**
* Defines Observables which service must observe
*/
HashService.prototype.spyDataStreams = function () {
var _this = this;
var initializedCarousel$ = this.carouselService.getInitializedState().pipe(tap(function () { return _this.listenToRoute(); }));
var changedSettings$ = this.carouselService.getChangedState().pipe(tap(function (data) {
if (_this.carouselService.settings.URLhashListener && data.property.name === 'position') {
var newCurSlide = _this.carouselService.current();
var newCurFragment = _this.carouselService.slidesData[newCurSlide].hashFragment;
if (!newCurFragment || newCurFragment === _this.currentHashFragment) {
return;
}
_this.router.navigate(['./'], { fragment: newCurFragment, relativeTo: _this.route });
}
}));
var hashFragment$ = merge(initializedCarousel$, changedSettings$);
this.hashSubscription = hashFragment$.subscribe(function () { });
};
/**
* rewinds carousel to slide which has the same hashFragment as fragment of current url
* @param fragment fragment of url
*/
HashService.prototype.rewind = function (fragment) {
var position = this.carouselService.slidesData.findIndex(function (slide) { return 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
*/
HashService.prototype.listenToRoute = function () {
var _this = this;
var count = this.carouselService.settings.startPosition === 'URLHash' ? 0 : 2;
this.route.fragment.pipe(skip(count))
.subscribe(function (fragment) {
_this.currentHashFragment = fragment;
_this.rewind(fragment);
});
};
HashService = tslib_1.__decorate([
Injectable(),
tslib_1.__param(1, Optional()),
tslib_1.__param(2, Optional()),
tslib_1.__metadata("design:paramtypes", [CarouselService,
ActivatedRoute,
Router])
], HashService);
return HashService;
}());
export { HashService };
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