toc.js
· 13 KiB · SVG
Brut
(function () {
// =========== Config Start ===========
// ------------------------------------
// 距离滚动偏移量
const scrollOffset = 80
// 显示风格( auto:自动(默认) | mobile:左上角显示触发按钮-移动端风格 | sidebar:常态显示侧栏)
const displayStyle = 'auto'
// 移动端宽度定义
const mobileWidth = 800
const SunPanelTOCDomIdName = 'sun-panel-toc-dom'
// 左上角按钮 SVG 图标
const svgTocMobileBtn = '<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path fill="currentColor" d="M17.5 4.5c-1.95 0-4.05.4-5.5 1.5c-1.45-1.1-3.55-1.5-5.5-1.5c-1.45 0-2.99.22-4.28.79C1.49 5.62 1 6.33 1 7.14v11.28c0 1.3 1.22 2.26 2.48 1.94c.98-.25 2.02-.36 3.02-.36c1.56 0 3.22.26 4.56.92c.6.3 1.28.3 1.87 0c1.34-.67 3-.92 4.56-.92c1 0 2.04.11 3.02.36c1.26.33 2.48-.63 2.48-1.94V7.14c0-.81-.49-1.52-1.22-1.85c-1.28-.57-2.82-.79-4.27-.79M21 17.23c0 .63-.58 1.09-1.2.98c-.75-.14-1.53-.2-2.3-.2c-1.7 0-4.15.65-5.5 1.5V8c1.35-.85 3.8-1.5 5.5-1.5c.92 0 1.83.09 2.7.28c.46.1.8.51.8.98z"/><path fill="currentColor" d="M13.98 11.01c-.32 0-.61-.2-.71-.52c-.13-.39.09-.82.48-.94c1.54-.5 3.53-.66 5.36-.45c.41.05.71.42.66.83s-.42.71-.83.66c-1.62-.19-3.39-.04-4.73.39c-.08.01-.16.03-.23.03m0 2.66c-.32 0-.61-.2-.71-.52c-.13-.39.09-.82.48-.94c1.53-.5 3.53-.66 5.36-.45c.41.05.71.42.66.83s-.42.71-.83.66c-1.62-.19-3.39-.04-4.73.39a1 1 0 0 1-.23.03m0 2.66c-.32 0-.61-.2-.71-.52c-.13-.39.09-.82.48-.94c1.53-.5 3.53-.66 5.36-.45c.41.05.71.42.66.83s-.42.7-.83.66c-1.62-.19-3.39-.04-4.73.39a1 1 0 0 1-.23.03"/></svg>'
// ------------------------------------
// =========== Config End ===========
// 滚动容器的类名
const scrollContainerElementClassName = '.scroll-container'
// 一些函数
const isMobile = () => {
if (displayStyle === 'mobile') {
return true
}
else if (displayStyle === 'pc') {
return false
}
const width = window.innerWidth
return width < mobileWidth
}
function createDom() {
// 检测是否已经存在TOC DOM，存在则删除
(function () {
const element = document.getElementById(SunPanelTOCDomIdName)
if (element) {
element.remove()
}
})()
const SunPanelTOCDom = document.createElement('div')
SunPanelTOCDom.id = SunPanelTOCDomIdName
document.body.appendChild(SunPanelTOCDom)
// ========= Add style start =========
const style = document.createElement('style')
const SunPanelTOCDomStyleId = `#${SunPanelTOCDomIdName}`
style.textContent = `
${SunPanelTOCDomStyleId} #toc-mobile-btn {
top: 20px !important;
left: 20px !important;
position: fixed;
width: 44px;
height: 44px;
background: rgba(255, 255, 255, 0.15);
backdrop-filter: blur(10px);
border-radius: 12px;
display: flex;
justify-content: center;
align-items: center;
cursor: pointer;
box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
border: 1px solid rgba(255, 255, 255, 0.2);
z-index: 9998;
transition: all 0.3s ease;
}
${SunPanelTOCDomStyleId} #toc-mobile-btn:hover {
transform: scale(1.05);
background: rgba(255, 255, 255, 0.25);
}
${SunPanelTOCDomStyleId} .hidden {
display: none !important;
}
${SunPanelTOCDomStyleId} #toc-sidebar {
width: 20px;
padding: 10px;
position: fixed;
top: 0;
left: 0;
height: 100%;
overflow: hidden;
display: flex;
flex-direction: column;
justify-content: center;
transition: width 0.3s ease, background-color 0.3s ease;
border-top-right-radius: 16px;
border-bottom-right-radius: 16px;
background: rgba(255, 255, 255, 0.15);
backdrop-filter: blur(15px);
border: 1px solid rgba(255, 255, 255, 0.2);
box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
z-index: 9999;
}
${SunPanelTOCDomStyleId} .toc-mobile-btn-svg-container{
width:21px;
height:21px;
color: rgba(255, 255, 255, 0.9);
}
${SunPanelTOCDomStyleId} .toc-sidebar-expansion {
width: 180px !important;
display: flex;
background: rgba(255, 255, 255, 0.15);
backdrop-filter: blur(15px);
box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
}
${SunPanelTOCDomStyleId} #toc-sidebar .toc-sidebar-box {
width: 100%;
padding: 20px 10px;
}
${SunPanelTOCDomStyleId} .title-bar-box {
display: flex;
align-items: center;
position: relative;
cursor: pointer;
margin-bottom: 15px;
padding: 8px 12px;
border-radius: 8px;
transition: all 0.3s ease;
}
${SunPanelTOCDomStyleId} .title-bar-box:hover {
background: rgba(255, 255, 255, 0.1);
}
${SunPanelTOCDomStyleId} .title-bar-slip {
width: 20px;
height: 6px;
background-color: rgba(255, 255, 255, 0.8);
border-radius: 4px;
transition: height 0.3s ease, width 0.3s ease;
}
${SunPanelTOCDomStyleId} .title-bar-title {
opacity: 0;
white-space: nowrap;
transition: opacity 0.3s ease, transform 0.3s ease, margin-left 0.3s ease;
font-size: 14px;
color: white;
font-weight: 500;
}
${SunPanelTOCDomStyleId} .toc-sidebar-expansion .title-bar-title {
opacity: 1;
margin-left: 12px;
}
${SunPanelTOCDomStyleId} .toc-sidebar-expansion .title-bar-box:hover .title-bar-slip {
width: 30px;
background-color: rgba(255, 255, 255, 1);
}
${SunPanelTOCDomStyleId} .toc-sidebar-expansion .title-bar-box:hover .title-bar-title {
transform: translateX(5px);
color: rgba(255, 255, 255, 1);
}
/* 移动端侧边栏样式 */
${SunPanelTOCDomStyleId} .toc-mobile-sidebar {
width: 180px !important;
height: 100%;
border-radius: 0 16px 16px 0;
background: rgba(255, 255, 255, 0.15);
backdrop-filter: blur(15px);
z-index: 10000;
}
${SunPanelTOCDomStyleId} .toc-close-btn {
position: absolute;
top: 20px;
right: 20px;
width: 44px;
height: 44px;
background: rgba(255, 255, 255, 0.15);
backdrop-filter: blur(10px);
border-radius: 12px;
display: flex;
justify-content: center;
align-items: center;
cursor: pointer;
box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
border: 1px solid rgba(255, 255, 255, 0.2);
z-index: 10001;
transition: all 0.3s ease;
}
${SunPanelTOCDomStyleId} .toc-close-btn:hover {
transform: scale(1.05);
background: rgba(255, 255, 255, 0.25);
}
${SunPanelTOCDomStyleId} .toc-close-btn svg {
width: 20px;
height: 20px;
color: rgba(255, 255, 255, 0.9);
}
`
// 添加样式到文档头部
SunPanelTOCDom.appendChild(style)
// ========= Add style end =========
// 添加移动端菜单按钮
const tocMobileBtn = document.createElement('div')
tocMobileBtn.id = 'toc-mobile-btn'
SunPanelTOCDom.appendChild(tocMobileBtn)
const tocMobileBtnSvgcContainer = document.createElement('div')
tocMobileBtnSvgcContainer.innerHTML = svgTocMobileBtn
tocMobileBtnSvgcContainer.classList.add('toc-mobile-btn-svg-container')
tocMobileBtn.appendChild(tocMobileBtnSvgcContainer)
// 创建侧边栏容器
const sidebar = document.createElement('div')
sidebar.id = 'toc-sidebar'
const sidebarBox = document.createElement('div')
sidebarBox.className = 'toc-sidebar-box'
// 查询出所有类名包含 item-group-index- 的元素
const items = document.querySelectorAll('[class*="item-group-index-"]')
// 遍历并打印每个元素的完整类名
items.forEach((item) => {
item.classList.forEach((className) => {
if (className.startsWith('item-group-index-')) {
const titleBarBox = document.createElement('div')
titleBarBox.className = 'title-bar-box'
titleBarBox.dataset.groupClassName = className
// 目录条
const titleBarSlip = document.createElement('div')
titleBarSlip.className = 'title-bar-slip'
// 创建一个链接
const titleBarTitle = document.createElement('div')
titleBarTitle.className = 'title-bar-title'
// 获取子元素中 class="group-title" 的内容
const titleElement = item.querySelector('.group-title')
const titleText = titleElement ? titleElement.textContent : item.id
titleBarTitle.textContent = titleText
titleBarBox.appendChild(titleBarSlip)
titleBarBox.appendChild(titleBarTitle)
sidebarBox.appendChild(titleBarBox)
}
})
})
sidebar.appendChild(sidebarBox)
// 添加关闭按钮（移动端使用）
const closeBtn = document.createElement('div')
closeBtn.className = 'toc-close-btn hidden'
closeBtn.innerHTML = '<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path fill="currentColor" d="M19 6.41L17.59 5 12 10.59 6.41 5 5 6.41 10.59 12 5 17.59 6.41 19 12 13.41 17.59 19 19 17.59 13.41 12z"/></svg>'
closeBtn.addEventListener('click', (e) => {
e.stopPropagation()
mobileHideSidebar()
})
SunPanelTOCDom.appendChild(closeBtn)
// 将侧边栏添加到页面中
SunPanelTOCDom.appendChild(sidebar)
function mobileHideSidebar() {
sidebar.classList.remove('toc-sidebar-expansion', 'toc-mobile-sidebar')
sidebar.classList.add('hidden')
closeBtn.classList.add('hidden')
}
function hideSidebar() {
sidebar.classList.remove('toc-sidebar-expansion')
}
function showSidebar() {
sidebar.classList.add('toc-sidebar-expansion')
sidebar.classList.remove('hidden')
// 移动端显示关闭按钮
if (isMobile()) {
sidebar.classList.add('toc-mobile-sidebar')
closeBtn.classList.remove('hidden')
} else {
sidebar.classList.remove('toc-mobile-sidebar')
closeBtn.classList.add('hidden')
}
}
// ----------------
// 监听宽度变化开始
// ----------------
function debounce(func, wait) {
let timeout
return function (...args) {
clearTimeout(timeout)
timeout = setTimeout(() => {
func.apply(this, args)
}, wait)
}
}
function handleResize() {
if (isMobile()) {
tocMobileBtn.classList.remove('hidden')
sidebar.classList.add('hidden')
closeBtn.classList.add('hidden')
}
else {
tocMobileBtn.classList.add('hidden')
sidebar.classList.remove('hidden')
closeBtn.classList.add('hidden')
}
}
// 使用防抖函数包装你的处理函数
const debouncedHandleResize = debounce(handleResize, 200)
// 添加事件监听器
window.addEventListener('resize', debouncedHandleResize)
// 首次触发
handleResize()
// ----------------
// 监听宽度变化结束
// ----------------
// 监听移动端按钮点击
tocMobileBtn.addEventListener('click', () => {
if (sidebar.classList.contains('toc-sidebar-expansion')) {
// 隐藏
mobileHideSidebar()
}
else {
// 显示
showSidebar()
}
})
// 监听TOC栏失去hover
sidebar.addEventListener('mouseleave', () => {
if (!isMobile()) {
hideSidebar()
}
})
// 监听TOC栏获得hover
sidebar.addEventListener('mouseenter', () => {
if (!isMobile()) {
showSidebar()
}
})
// 监听TOC点击事件
document.querySelectorAll('.title-bar-box').forEach((box) => {
box.addEventListener('click', function (event) {
// 检查触发事件的元素是否有 'data-groupClassName' 属性
if (this.dataset.groupClassName) {
// 获取 'data-groupClass' 属性的值
const groupClassName = this.dataset.groupClassName
// 使用属性值作为选择器查询对应的元素
const targetElement = document.querySelector(`.${groupClassName}`)
if (targetElement) {
// 获取目标元素的 'top' 坐标
const targetTop = targetElement.offsetTop
const scrollContainerElement = document.querySelector(scrollContainerElementClassName)
if (scrollContainerElement) {
scrollContainerElement.scrollTo({
top: targetTop - scrollOffset,
behavior: 'smooth', // 平滑滚动
})
}
}
}
// 移动端点击后自动关闭侧边栏
if (isMobile()) {
mobileHideSidebar()
}
})
})
}
// 判断是否已经存在分组，不存在将定时监听
const items = document.querySelectorAll('[class*="item-group-index-"]')
if (items.length > 0) {
createDom()
return
}
const interval = setInterval(() => {
const items = document.querySelectorAll('[class*="item-group-index-"]')
if (items.length > 0) {
createDom()
clearInterval(interval)
}
}, 1000)
})()