// ==UserScript==
// @name 智能目录
// @namespace https://greasyfork.org/users/1171320
// @version 1.1
// @description 智能提取网页标题生成目录，支持记忆拖拽位置、双击收起、重置位置等。正文首标题避让+10px，最高150px
// @match *://*/*
// @grant none
// @author yzcjd
// @author2 ChatGPT4 辅助
// @grant GM_addStyle
// @license MIT
// ==/UserScript==
(function() {
'use strict';
// 平滑滚动函数，easeInOutCubic缓动
function easeInOutCubic(t) {
return t < 0.5
? 4 * t * t * t
: 1 - Math.pow(-2 * t + 2, 3) / 2;
}
function smoothScrollTo(targetY, duration = 600) {
const startY = window.scrollY || window.pageYOffset;
const distance = targetY - startY;
let startTime = null;
function step(currentTime) {
if (!startTime) startTime = currentTime;
const elapsed = currentTime - startTime;
const progress = Math.min(elapsed / duration, 1);
const easedProgress = easeInOutCubic(progress);
window.scrollTo(0, startY + distance * easedProgress);
if (elapsed < duration) {
requestAnimationFrame(step);
}
}
requestAnimationFrame(step);
}
const hostname = location.hostname;
const storageKey = 'SmartTOC:v3.8:' + hostname;
const state = JSON.parse(localStorage.getItem(storageKey) || '{}');
const excludeKeywords = ['cloudflare','captcha','challenge','login','auth','verify'];
if (excludeKeywords.some(k => hostname.includes(k) || location.pathname.includes(k))) return;
const toc = document.createElement('div');
toc.id = 'smart-toc';
toc.style.cssText = `
position:fixed; top:50px; right:50px; width:250px; max-height:80vh;
background:#fff; border:1px solid #ccc; border-radius:8px;
box-shadow:0 2px 8px rgba(0,0,0,0.15); overflow:hidden;
z-index:99999; font-family:sans-serif;
`;
toc.innerHTML = `
<div id="toc-header" style="background:#ccc; padding:5px; cursor:move;">
📑 目录 <label id="toc-toggle" style="float:right; font-size:12px; cursor:pointer;">排除</label>
</div>
<div id="toc-list" style="
margin:0; padding:0; overflow:auto;
max-height: calc(80vh - 30px);
opacity:1;
transition: max-height 0.6s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.4s ease;
"></div>
`;
document.body.appendChild(toc);
const tocList = toc.querySelector('#toc-list');
const toggleLabel = toc.querySelector('#toc-toggle');
if (state.exclude) {
toggleLabel.textContent = '启用';
toc.style.width = '120px';
tocList.style.display = 'none';
}
toggleLabel.addEventListener('click', () => {
state.exclude = !state.exclude;
localStorage.setItem(storageKey, JSON.stringify(state));
toggleLabel.textContent = state.exclude ? '启用' : '排除';
toc.style.width = state.exclude ? '120px' : '250px';
tocList.style.display = state.exclude ? 'none' : '';
});
const ignoreSelectors = ['header','footer','nav','aside','.navbar','.sidebar','.avatar','.logo','.banner','.desc','.tabs','.player','.playlist','.switch','.user','.meta','.repository-content','.file-navigation','.breadcrumb','.table-list-header','.file-header','.BtnGroup','.Box-header'];
const isVisible = el => !!(el.offsetWidth || el.offsetHeight || el.getClientRects().length);
const isValidHeading = el => {
const text = el.textContent.trim();
const size = parseFloat(getComputedStyle(el).fontSize);
const nearLogo = el.closest('.logo,.site-branding');
if (!isVisible(el)) return false;
if (ignoreSelectors.some(sel => el.closest(sel))) return false;
if (text.length < 3 || text.length > 100) return false;
if (size > 32 || size < 10) return false;
if (/^(用户|作者|id|导航|选项卡|登录|注册|文件|文件夹|提交|历史|上传|添加|修改|移除|repository|files|commit|history|breadcrumb|upload|drop)/i.test(text)) return false;
if (nearLogo) return false;
return true;
};
let headings = [...document.querySelectorAll('main h1,h2,h3,h4,h5,h6, article h1,h2,h3,h4,h5,h6, .content h1,h2,h3,h4,h5,h6, #content h1,h2,h3,h4,h5,h6')].filter(isValidHeading);
if (headings.length < 3) headings = [...document.querySelectorAll('h1,h2,h3,h4,h5,h6')].filter(isValidHeading);
if (!headings.length) { toc.remove(); return; }
const longest = Math.max(...headings.map(el => el.textContent.trim().length));
if (longest >= 20) toc.style.width = '375px';
headings.forEach((el, idx) => { if (!el.id) el.id = 'smart-toc-' + idx; });
const getLevel = tag => parseInt(tag.replace('H',''));
headings.forEach(el => {
const level = Math.min(getLevel(el.tagName), 3);
const a = document.createElement('a');
a.href = `#${el.id}`;
a.textContent = el.textContent.trim();
const indent = level === 1 ? 0 : (level - 1) * 1.5;
a.style.cssText = `display:block;padding:3px 10px;padding-left:${indent}em;color:inherit;text-decoration:none;user-select:none;`;
tocList.appendChild(a);
});
toc.querySelector('#toc-header').addEventListener('mousedown', e => {
let offsetX = e.clientX - toc.offsetLeft, offsetY = e.clientY - toc.offsetTop;
const move = e => { toc.style.left = `${e.clientX - offsetX}px`; toc.style.top = `${e.clientY - offsetY}px`; };
const up = () => {
state.position = { x: toc.offsetLeft, y: toc.offsetTop };
localStorage.setItem(storageKey, JSON.stringify(state));
document.removeEventListener('mousemove', move);
document.removeEventListener('mouseup', up);
};
document.addEventListener('mousemove', move);
document.addEventListener('mouseup', up);
});
if (state.position) {
toc.style.left = state.position.x + 'px';
toc.style.top = state.position.y + 'px';
}
let isCollapsed = false;
// 双击目录折叠/展开动画
toc.addEventListener('dblclick', e => {
e.stopPropagation();
e.preventDefault();
if (isCollapsed) {
// 展开
tocList.style.display = '';
requestAnimationFrame(() => {
tocList.style.maxHeight = 'calc(80vh - 30px)';
tocList.style.opacity = '1';
});
} else {
// 收起
tocList.style.maxHeight = '0';
tocList.style.opacity = '0';
setTimeout(() => {
tocList.style.display = 'none';
}, 600);
}
isCollapsed = !isCollapsed;
}, true);
// 点击目录标题时，使用自定义平滑滚动动画
tocList.addEventListener('click', e => {
if (isCollapsed) {
e.preventDefault();
e.stopPropagation();
return;
}
if (e.target.tagName.toLowerCase() === 'a') {
const href = e.target.getAttribute('href');
if (!href.startsWith('#')) return;
const id = href.slice(1);
const target = document.getElementById(id);
if (target) {
e.preventDefault();
setTimeout(() => {
const rect = target.getBoundingClientRect();
const scrollTop = window.pageYOffset || document.documentElement.scrollTop;
const distance = rect.top - document.documentElement.getBoundingClientRect().top + 10;
const offsetY = scrollTop + rect.top - Math.min(distance, 150);
smoothScrollTo(offsetY, 600);
}, 10);
}
}
});
console.log('智能目录 v3.8 已启用（带平滑跳转动画）');
})();
