101 lines
3.0 KiB
JavaScript
101 lines
3.0 KiB
JavaScript
function createTOC() {
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var tocElement = document.createElement('div');
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tocElement.className = 'toc';
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var contentContainer = document.getElementById('content');
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const headings = contentContainer.querySelectorAll('h1, h2, h3, h4, h5, h6');
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if (headings.length === 0) {
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return; // 如果没有标题元素，则不创建TOC
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}
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tocElement.insertAdjacentHTML('afterbegin', '<div class="toc-title">文章目录</div>');
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headings.forEach(heading => {
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if (!heading.id) {
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heading.id = heading.textContent.trim().replace(/\s+/g, '-').toLowerCase();
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}
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const link = document.createElement('a');
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link.href = '#' + heading.id;
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link.textContent = heading.textContent;
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link.className = 'toc-link';
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link.style.paddingLeft = `${(parseInt(heading.tagName.charAt(1)) - 1) * 10}px`;
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tocElement.appendChild(link);
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});
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tocElement.insertAdjacentHTML('beforeend', '<a class="toc-end" onclick="window.scrollTo({top:0,behavior: \'smooth\'});">Top</a>');
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contentContainer.prepend(tocElement);
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}
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document.addEventListener("DOMContentLoaded", function() {
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createTOC();
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var css = `
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.toc {
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position:fixed;
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top:130px;
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left:50%;
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transform: translateX(50%) translateX(320px);
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width:200px;
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border: 1px solid #e1e4e8;
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border-radius: 6px;
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padding: 10px;
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overflow-y: auto;
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box-shadow: 0 2px 10px rgba(0,0,0,0.1);
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max-height: 70vh;
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}
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.toc-title{
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font-weight: bold;
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text-align: center;
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border-bottom: 1px solid #ddd;
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padding-bottom: 8px;
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}
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.toc-end{
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font-weight: bold;
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text-align: center;
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cursor: pointer;
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visibility: hidden;
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}
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.toc a {
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display: block;
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color: var(--color-diff-blob-addition-num-text);
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text-decoration: none;
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padding: 5px 0;
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font-size: 14px;
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line-height: 1.5;
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border-bottom: 1px solid #e1e4e8;
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}
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.toc a:last-child {
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border-bottom: none;
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}
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.toc a:hover {
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background-color:var(--color-select-menu-tap-focus-bg);
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}
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@media (max-width: 1249px)
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{
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.toc{
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position:static;
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top:auto;
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left:auto;
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transform:none;
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padding:10px;
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margin-bottom:20px;
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}
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}`;
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const style = document.createElement('style');
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style.textContent = css;
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document.head.appendChild(style);
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window.onscroll = function() {
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const backToTopButton = document.querySelector('.toc-end');
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if (document.body.scrollTop > 20 || document.documentElement.scrollTop > 20) {
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backToTopButton.style="visibility: visible;"
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} else {
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backToTopButton.style="visibility: hidden;"
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}
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};
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console.log("\n %c GmeekTOC Plugins https://github.com/Meekdai/Gmeek \n","padding:5px 0;background:#C333D0;color:#fff");
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});
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