МедиаВики:Common.js: Засвар хоорондын ялгаа

23:39, 17 Хоёрдугаар сар 2025-ий байдлаарх засвар

/**
 * 
 * @param l number
 * @returns {number} absolute value of l
 */
function abs(l) {
    return l > 0 ? l : l * -1;
}

/**
 * 
 * @param el HTMLElement
 * @returns {boolean} Whether the element is overflowing horizontally
 */
function checkOverflow(el) {
    var isOverflowing = el.clientWidth < el.scrollWidth;

    return isOverflowing;
}

var readyStateCheckInterval = setInterval(function () {
    if (document.readyState !== "complete") {
        return;
    }

    clearInterval(readyStateCheckInterval);
    try {
        /**
         * 
         * @param q EventTarget
         * @returns 
         */
        var scroll = function (q) {
            try {
                q.style.overflowX = "auto";
            } catch (e) { }
            return function (event) {
                if (event.shiftKey) {
                    return;
                }
                var absdy = abs(event.deltaY);

                if (absdy <= abs(event.deltaX)) {
                    return;
                }

                event.preventDefault();

                q.scrollLeft += event.deltaY
            };
        };
        try {
            var bodyContentElement = document.querySelector("#bodyContent");
            if (checkOverflow(bodyContentElement)) {
                bodyContentElement.addEventListener('wheel', scroll(bodyContentElement), { passive: false });
            }
        } catch (e) {
            console.log(e);
        }
    } catch (e) {
        console.log("Failed to register horizontal scroll due to: " + e);
    }
}, 10);