@heycar-uikit/core/review-rating/cssm/hooks/useReviewRating.js

The React UI library from HeyCar

Object.defineProperty(exports, '__esModule', { value: true });

var React = require('react');

var useReviewRating = function () {
    var _a = React.useState(false), hasIntersectionObserver = _a[0], setHasIntersectionObserver = _a[1];
    var _b = React.useState(false), isVisible = _b[0], setIsVisible = _b[1];
    var observer = React.useMemo(function () {
        if (hasIntersectionObserver) {
            return new IntersectionObserver(function (entries) {
                return setIsVisible(entries[0].isIntersecting);
            }, {
                threshold: 1.0,
            });
        }
        return undefined;
    }, [hasIntersectionObserver]);
    var setIntersectionObserver = function (targetId) {
        var target = document.querySelector("#" + targetId);
        if (target && (observer === null || observer === void 0 ? void 0 : observer.observe))
            observer.observe(target);
    };
    React.useEffect(function () {
        var hasIntObs = !!window && 'IntersectionObserver' in window;
        setHasIntersectionObserver(hasIntObs);
    }, []);
    return {
        isVisible: isVisible,
        setIntersectionObserver: React.useCallback(setIntersectionObserver, [observer]),
    };
};

exports.useReviewRating = useReviewRating;