https://mount-rain.link/usr/themes/butterfly/js/comjs.js?v1.8.0

1function initializeCodeToolbar() {
2  document.querySelectorAll("pre").forEach(pre => {
3    const codeElement = pre.querySelector("code");
4    const lineCount = pre.querySelector(".line-numbers-rows")?.querySelectorAll("span").length;
5    if (codeElement && lineCount > 10) {
6      pre.insertAdjacentHTML("afterbegin", '<div class="code-expand-btn"><i class="fas fa-angle-double-down"></i></div>');
7    }
8  });
9
10  document.querySelectorAll(".code-expand-btn").forEach(btn => {
11    btn.addEventListener('click', () => {
12      const parentElement = btn.parentNode;
13      const isExpanded = btn.classList.toggle("expand-done");
14  
15      Array.from(parentElement.children).forEach(element => {
16        if (element.tagName === 'CODE') {
17          element.classList.toggle('expand-bcode', isExpanded);
18        }
19      });
20    });
21  });
22  
23
24  document.querySelectorAll(".toolbar").forEach((toolbar) => {
25    const iElement = document.createElement("i");
26    iElement.className = "fas fa-angle-down expand";
27    toolbar.appendChild(iElement);
28  });
29  const codeToolbars = document.querySelectorAll(".code-toolbar");
30  const expandIcons = document.querySelectorAll(".expand");

31  codeToolbars.forEach((toolbar, i) => {
32    toolbar.id = `pre${i}`;
33  });
34  expandIcons.forEach((icon, i) => {
35    icon.id = `pbtn${i}`;
36  });
37  expandIcons.forEach((icon) => {
38    icon.removeEventListener("click", handleExpandClick);
39  });
40  expandIcons.forEach((icon) => {
41    icon.addEventListener("click", handleExpandClick);
42  });
43}
44
45function handleExpandClick(event) {
46  const icon = event.currentTarget;
47  const btid = icon.id;
48  document.getElementById(btid).classList.toggle("bclose");
49
50  const codeToolbar = icon.closest(".code-toolbar");
51  const preId = codeToolbar.id;
52  const preElement = document.querySelector(`#${preId} pre`);
53  if (preElement) {
54    preElement.style.display =
55      preElement.style.display === "none" ? "" : "none";
56  }
57}
58
59function tocCheck() {
60  const tocElement = document.querySelector(".toc");
61  if (tocElement && tocElement.innerHTML.length === 14) {
62    const cardToc = document.getElementById("card-toc");
63    const mobileTocButton = document.getElementById("mobile-toc-button");
64    if (cardToc) cardToc.remove();
65    if (mobileTocButton) mobileTocButton.remove();
66  }
67}