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Slider container: Fix error about observer

This commit is contained in:
Konstantinos Triantafyllou 2023-10-16 14:34:48 +03:00
parent 5948d61a47
commit 8d6522270c
1 changed files with 21 additions and 19 deletions
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40
sharedComponents/slider-utils/slider-container.component.ts
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@ -60,7 +60,7 @@ export class SliderContainerComponent implements OnInit, OnDestroy, AfterContent
} }
ngOnDestroy() { ngOnDestroy() {
if(this.observer) { if(this.observer && typeof IntersectionObserver !== 'undefined') {
this.observer.disconnect(); this.observer.disconnect();
} }
} }
@ -78,24 +78,26 @@ export class SliderContainerComponent implements OnInit, OnDestroy, AfterContent
} }
setObserver() { setObserver() {
let options = { if(typeof IntersectionObserver !== 'undefined') {
root: null, let options = {
rootMargin: '0px', root: null,
threshold: 0.1 rootMargin: '0px',
}; threshold: 0.1
this.observer = new IntersectionObserver(entries => { };
entries.forEach(entry => { this.observer = new IntersectionObserver(entries => {
if (entry.isIntersecting && !this.initialized) { entries.forEach(entry => {
this.stopped = false; if (entry.isIntersecting && !this.initialized) {
this.start(0); this.stopped = false;
this.initialized = true; this.start(0);
} else { this.initialized = true;
this.initialized = false; } else {
this.stopped = true; this.initialized = false;
} this.stopped = true;
}); }
}, options); });
this.observer.observe(this.element.nativeElement); }, options);
this.observer.observe(this.element.nativeElement);
}
} }
start(time: number) { start(time: number) {