Files
plane/apps/web/core/hooks/use-intersection-observer.ts
T
sriram veeraghantaandGitHub 0bc50c18db chore: update copyright ts and tsx files (#5355)
* chore: adding copyright to all files in web app

* chore: update copyright in admin app

* chore: copyright comments updated on space app

* fix: formatting in files
2026-01-07 20:00:10 +05:30

55 lines
1.6 KiB
TypeScript

/**
* SPDX-FileCopyrightText: 2023-present Plane Software, Inc.
* SPDX-License-Identifier: LicenseRef-Plane-Commercial
*
* Licensed under the Plane Commercial License (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
* https://plane.so/legals/eula
*
* DO NOT remove or modify this notice.
* NOTICE: Proprietary and confidential. Unauthorized use or distribution is prohibited.
*/
import type { RefObject } from "react";
import { useEffect } from "react";
export type UseIntersectionObserverProps = {
containerRef: RefObject<HTMLDivElement | null> | undefined;
elementRef: HTMLElement | null;
callback: () => void;
rootMargin?: string;
};
export const useIntersectionObserver = (
containerRef: RefObject<HTMLDivElement | null>,
elementRef: HTMLElement | null,
callback: (() => void) | undefined,
rootMargin?: string
) => {
useEffect(() => {
if (elementRef) {
const observer = new IntersectionObserver(
(entries) => {
if (entries[entries.length - 1].isIntersecting) {
callback && callback();
}
},
{
root: containerRef?.current,
rootMargin,
}
);
observer.observe(elementRef);
return () => {
if (elementRef) {
observer.unobserve(elementRef);
}
};
}
// When i am passing callback as a dependency, it is causing infinite loop,
// Please make sure you fix this eslint lint disable error with caution
// eslint-disable-next-line react-hooks/exhaustive-deps
}, [rootMargin, callback, elementRef, containerRef.current]);
};