CT/dist/support.js

// TABS
document.querySelector("main").addEventListener("scroll", () => {
    const links = document.querySelectorAll(".tab-link");
    links.forEach((element) => element.removeAttribute("active"));

    const pageWidth = document.querySelector("main > article").offsetWidth;
    const scroll = document.querySelector("main").scrollLeft;
    const currentPage = Math.round(scroll / pageWidth);

    if (links[currentPage]) links[currentPage].setAttribute("active", "");
});

// SERVICE WORKER
async function registerServiceWorker() {
    if ("serviceWorker" in navigator) {
        try {
            const registration = await navigator.serviceWorker.register(
                "/sw.js",
                {
                    scope: "/",
                },
            );
            if (registration.installing) {
                setTimeout(() => window.location.reload(), 500);
            } else if (registration.active) {
                console.log("Service worker active");
                registration.update();
            }
        } catch (error) {
            console.error(`Could not install service worker: ${error}`);
        }
    }
}

registerServiceWorker();