https://www.sogeti.com/wp-content/plugins/scroll-to-top/assets/js/scroll-to-top.js?ver=1790847495

1(function () {
2    function getScrollY() {
3        return window.pageYOffset || document.documentElement.scrollTop || 0;
4    }
5
6    function initScrollToTop() {
7        const scrollBtn = document.getElementById("scrollToTopBtn");
8        const scrollWrapper = document.querySelector(".scroll-to-top-wrapper");
9        if (!scrollBtn || !scrollWrapper) return false;
10
11        let lastScrollY = getScrollY();
12        let threshold = 4 * window.innerHeight;
13        let scheduled = false;
14
15        function setVisible(isVisible) {
16            scrollWrapper.classList.toggle("is-visible", isVisible);
17        }
18
19        function updateVisibility(currentScrollY) {
20            if (currentScrollY < lastScrollY) {
21                setVisible(false);
22                return;
23            }
24
25            const isScrollingDown = currentScrollY > lastScrollY;
26            setVisible(isScrollingDown && currentScrollY > threshold);
27        }
28
29        function flushFrame() {
30            const currentScrollY = getScrollY();
31            updateVisibility(currentScrollY);
32            lastScrollY = currentScrollY;
33            scheduled = false;
34        }
35
36        function onScroll() {
37            if (scheduled) return;
38            scheduled = true;
39            requestAnimationFrame(flushFrame);
40        }
41
42        window.addEventListener("scroll", onScroll, { passive: true });
43        window.addEventListener("resize", () => {
44            threshold = 4 * window.innerHeight;
45            flushFrame();
46        });
47
48        scrollBtn.addEventListener("click", () => {
49            window.scrollTo({ top: 0, behavior: "smooth" });
50        });
51
52        return true;
53    }
54
55    function startWithObserver() {
56        if (initScrollToTop()) return;
57
58        const observer = new MutationObserver(() => {
59            if (initScrollToTop()) {
60                observer.disconnect();
61            }
62        });
63
64        observer.observe(document.documentElement, { childList: true, subtree: true });
65        setTimeout(() => observer.disconnect(), 15000);
66    }
67
68    if (document.readyState === "loading") {
69        document.addEventListener("DOMContentLoaded", startWithObserver, { once: true });
70    } else {
71        startWithObserver();
72    }
73})();