@coreui/react-pro/dist/cjs/hooks/useIsVisible.js

UI Components Library for React.js

'use strict';

var React = require('react');

var useIsVisible = function (ref) {
    var _a = React.useState(false), isIntersecting = _a[0], setIntersecting = _a[1];
    React.useEffect(function () {
        var observer = new IntersectionObserver(function (_a) {
            var entry = _a[0];
            return setIntersecting(entry.isIntersecting);
        });
        if (ref.current) {
            observer.observe(ref.current);
        }
        return function () { return observer.disconnect(); };
    }, []);
    return isIntersecting;
};

exports.useIsVisible = useIsVisible;
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