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Filename : useIntersection.js

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import { useEffect, useState } from 'react';
var useIntersection = function (ref, options) {
    var _a = useState(null), intersectionObserverEntry = _a[0], setIntersectionObserverEntry = _a[1];
    useEffect(function () {
        if (ref.current && typeof IntersectionObserver === 'function') {
            var handler = function (entries) {
                setIntersectionObserverEntry(entries[0]);
            };
            var observer_1 = new IntersectionObserver(handler, options);
            observer_1.observe(ref.current);
            return function () {
                setIntersectionObserverEntry(null);
                observer_1.disconnect();
            };
        }
        return function () { };
    }, [ref.current, options.threshold, options.root, options.rootMargin]);
    return intersectionObserverEntry;
};
export default useIntersection;