From 6affa0c5e1ba37c212fde6d8f1665dc576aeb88d Mon Sep 17 00:00:00 2001
From: Meekdai <meekdai@163.com>
Date: Tue, 2 Jul 2024 16:07:39 +0800
Subject: [PATCH] Create GmeekTOC.js

---
 plugins/GmeekTOC.js | 58 +++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 58 insertions(+)
 create mode 100644 plugins/GmeekTOC.js

diff --git a/plugins/GmeekTOC.js b/plugins/GmeekTOC.js
new file mode 100644
index 0000000..d0cfbfd
--- /dev/null
+++ b/plugins/GmeekTOC.js
@@ -0,0 +1,58 @@
+function loadResource(type, attributes, callback) {
+    var element;
+    if (type === 'script') {
+        element = document.createElement('script');
+        element.src = attributes.src;
+        element.onload = callback;
+    } else if (type === 'link') {
+        element = document.createElement('link');
+        element.rel = attributes.rel;
+        element.href = attributes.href;
+    } else if (type === 'style') {
+        element = document.createElement('style');
+        element.rel = 'stylesheet';
+        element.appendChild(document.createTextNode(attributes.css));
+    }
+    document.head.appendChild(element);
+}
+
+function createTOC() {
+    var tocElement = document.createElement('div');
+    tocElement.className = 'toc';
+    var contentContainer = document.getElementById('content');
+    if (contentContainer.firstChild) {
+        contentContainer.insertBefore(tocElement, contentContainer.firstChild);
+    } else {
+        contentContainer.appendChild(tocElement);
+    }
+}
+
+document.addEventListener("DOMContentLoaded", function() {
+    createTOC();
+    var css = '.toc {position: fixed;top: 100px;left: 50%;transform: translateX(50%) translateX(300px);width: 300px;padding: 30px;}@media (max-width: 1300px) {.toc{position:static;top:auto;left:auto;transform:none;padding:10px;margin-bottom:20px;background-color:#eee;}}';
+    loadResource('style', {css: css});
+
+    loadResource('script', { src: 'https://cdnjs.cloudflare.com/ajax/libs/tocbot/4.27.4/tocbot.min.js' }, function() {
+        tocbot.init({
+            tocSelector: '.toc',
+            contentSelector: '.markdown-body',
+            headingSelector: 'h1, h2, h3, h4, h5, h6',
+            scrollSmooth: true,
+            scrollSmoothOffset: -10,
+            headingsOffset: 10,
+        });
+    });
+
+    loadResource('link', { rel: 'stylesheet', href: 'https://cdnjs.cloudflare.com/ajax/libs/tocbot/4.27.4/tocbot.css' });
+
+    const headings = document.querySelectorAll('.markdown-body h1, .markdown-body h2, .markdown-body h3, .markdown-body h4, .markdown-body h5, .markdown-body h6');
+    headings.forEach((heading) => {
+        if (!heading.id) {
+            heading.id = heading.textContent.trim().replace(/\s+/g, '-');
+        }
+    });
+
+    var footerPlaceholder = document.createElement('div');
+    footerPlaceholder.style.height = window.innerHeight + 'px';
+    document.body.appendChild(footerPlaceholder);
+});