https://www.esthederm.co.jp/client_info/ESTHEDERM/view/userweb/js/mainvisual-slides.js

1(function () {
2  const REFRESH_INTERVAL_MS = 60 * 1000; // 60秒ごとに再チェック
3  let lastKey = "";
4  let slickInitialized = false;
5
6  function buildActiveSlots() {
7    const now = new Date();
8
9    return window.mvBannerSlots
10      .filter(slot => {
11        if (slot.permanent) return true;
12        if (!slot.start || !slot.end) return true;
13
14        const start = new Date(slot.start);
15        const end = new Date(slot.end);
16        return now >= start && now <= end;
17      })
18      .sort((a, b) => (a.permanent ? 999999 : a.priority) - (b.permanent ? 999999 : b.priority));
19  }
20
21  function rebuild() {
22    const container = document.querySelector(".slick-container");
23    if (!container) return;
24
25    const active = buildActiveSlots();
26    const key = active.map(a => a.id).join(",");
27
28    if (key === lastKey && slickInitialized) return;
29    lastKey = key;
30
31    if ($(container).hasClass("slick-initialized")) {
32      $(container).slick("unslick");
33    }
34
35    container.innerHTML = "";
36
37    active.forEach(slot => {
38      const div = document.createElement("div");
39      div.className = "slick-item";
40
41      div.innerHTML = `
42        <a href="${slot.link}" ${slot.id ? `id="${slot.id}"` : ""} ${slot.target ? `target="${slot.target}"` : ""}>
43          <div class="mv__bg">
44            <div class="pc">
45              <img src="${slot.pc}" alt="${slot.alt || ""}">
46            </div>
47            <div class="sp">
48              <img src="${slot.sp}" alt="${slot.alt || ""}">
49            </div>
50          </div>
51        </a>
52      `;
53      container.appendChild(div);
54    });
55
56    $(container).slick({
57      autoplay: true,
58      autoplaySpeed: 5000,
59      arrows: true,
60      dots: true,
61      fade: false,
62      speed: 500,
63      infinite: true
64    });
65
66    slickInitialized = true;
67  }
68
69  document.addEventListener("DOMContentLoaded", () => {
70    rebuild();
71    setInterval(rebuild, REFRESH_INTERVAL_MS);
72  });
73})();