aternos-mod-search.js

    const map = new Map();
    const directory = document.querySelector(".directory");

    const container = document.createElement("div");

    let currentIndex = -1;

    const getNext = () => { currentIndex++; return map.get(currentIndex)?.href ?? null; }
    
    directory.prepend(container);
    
    Array.from(document.querySelectorAll(".filename")).map(f => f.innerText).forEach((q, i) => {
        const a = document.createElement("a");
        a.classList.add("file")
        a.href = `https://google.com/search?q=${q}`;
        a.innerHTML = `<span class='filename'>${q}</span>`
        container.append(a);
        a.setAttribute("target", "_blank");
        map.set(i, a)
    })

    const btn = document.createElement("a");
    btn.innerHTML = "Search next mod";
    btn.classList.add("btn", "btn-main");
    btn.href = getNext();

    btn.addEventListener("click", () => { const next = getNext(); next ? (btn.href = next) : btn.remove() })

    directory.prepend(btn);