// ==UserScript==
// @name TreeBar
// @name:zh-CN 目录树导航
// @namespace https://github.com/zhilidali/TreeBar/
// @version 0.1.11
// @description 目录树导航 - 显示文章目录大纲导航
// @description:zh-cn 目录树导航 - 显示文章目录大纲导航
// @author zhilidali
// @mail [email protected]
// @license MIT Licensed
// @match *://www.jianshu.com/p/*
// @match *://cdn2.jianshu.io/p/*
// @match *://juejin.im/post/*
// @match *://juejin.im/entry/*
// @match *://sspai.com/*
// @match *://zhuanlan.zhihu.com/p/*
// @match *://mp.weixin.qq.com/s?*
// @match *://cnodejs.org/topic/*
// @match *://div.io/topic/*
// @match *://www.zcfy.cc/article/*
// @grant none
// ==/UserScript==
(function() {
'use strict';
var map = {
jianshu: {
tagName: '.ouvJEz',
style: {
top: '55px',
color: '#ea6f5a',
}
},
zhihu: {
tagName: '.Post-RichText',
},
sspai: {
tagName: '.notion-page-content',
},
juejin: {
tagName: '.article-content',
},
div: {
tagName: '.topic-firstfloor-detail'
},
zcfy: {
tagName: '.markdown-body',
},
qq: {
tagName: '.rich_media_content',
},
default: {
tagName: 'body'
}
};
var treeBar = window.treeBar = {
site: {
name: '',
tagName: '',
},
className: 'treeBar',
style: `
/* 样式重置 */
html { scroll-behavior: smooth; }
.treeBar ul { padding-left: 1.1em; margin: 0; }
.treeBar > ul > li { list-style-type: disc; }
.treeBar > ul > li > ul > li { list-style-type: circle; }
.treeBar > ul > li > ul > li > ul > li { list-style-type: square; }
/* common */
.treeBar {
z-index: 99999; position: fixed; top: 10%; right: 0; max-width: 300px; max-height: 88%;
border: 1px solid #ddd; overflow-y: auto; overflow-x: visible; background-color: rgba(255, 255, 255, .9);
}
.treeBar-resize {
position: absolute; /*cursor: col-resize;*/ width: 5px; left: -2px; top: 0; bottom: 0;
}
.treeBar-btn {
box-sizing: border-box; position: absolute; top: -1px; left: -1px; width: 72px; height: 28px;
padding: 0; border: 1px solid #ddd; border-radius: 3px; box-shadow: 0 1px 1px 1px #ddd;
font-size: 14px; background-color: #fff; vertical-align: middle; text-align: center;
outline: none; cursor: pointer; color: #333;
}
.treeBar > ul {
padding: 30px 10px 10px 25px;
}
.treeBar > ul > li a {
line-height: 30px; /*overflow: hidden; white-space: nowrap; text-overflow: ellipsis;*/
text-decoration: none; font-size: 14px; cursor: pointer; color: #0371e9;
}
.treeBar > ul > li a:hover {
text-decoration: underline;
}
/* slideToggle */
.treeBar-slide { overflow-y: visible; }
.treeBar-slide .treeBar-btn { left: -71px; top: -1px; }
.treeBar-slide > ul { display: none; }`,
innerDom: `<button class="treeBar-btn">TreeBar</button><div class="treeBar-resize"></div>`,
matchSite: function() {/* 匹配站点 */
var domain = location.href.match(/([\d\w]+)\.(com|cn|net|org|im|io|cc)/i);
this.site.name = (domain && domain[1]);
var siteInfo = map[this.site.name] || map.default;
this.site.tagName = siteInfo.tagName;
this.site.sync = siteInfo.sync || false;
if (siteInfo.style) {
this.style += `
.treeBar {
top: ${siteInfo.style.top};
border-color: ${siteInfo.style.color};
}
.treeBar-btn {
border-color: ${siteInfo.style.color};
background-color: ${siteInfo.style.color};
color: #fff;
}
.treeBar > ul > li a {
color: ${siteInfo.style.color};
}
`;
}
},
createDom: function() {/* 创建DOM */
var style = document.createElement('style'),
dom = document.createElement('div');
style.innerHTML = this.style;
document.head.appendChild(style);
dom.className = this.className;
dom.innerHTML = this.innerDom + this.ul;
document.body.appendChild(dom);
},
onEvent: function() {
var eTree = document.querySelector('.treeBar'),
eBtn = document.querySelector('.treeBar-btn'),
eResize = document.querySelector('.treeBar-resize');
eBtn.onclick = function () {
eTree.classList.toggle('treeBar-slide');
};
/*var resize = {};
document.body.onmouseup = function() {
console.log('up');
resize.flag = false;
};
eResize.onmousedown = function() {
resize.flag = true;
};
document.body.onmousemove = function() {
if (!resize.flag) return;
if (resize.current === undefined) {
resize.current = event.x;
return;
}
var x = event.x - resize.current;
if(Math.abs(x) >= 10) {
tree.style.width = tree.offsetWidth - x + 'px';
console.log(x);
resize.current = event.x;
}
};*/
},
init: function() {
console.time('TreeBar');
// 1. 获取DOM
var hList = document.querySelector(treeBar.site.tagName)
.querySelectorAll('h1, h2, h3, h4, h5, h6');
// 2. 构建数据
var tree = transformTree(Array.from(hList));
// 3. 构建DOM
treeBar.ul = compileList(tree);
treeBar.createDom();
// 4. 注册事件
treeBar.onEvent();
console.timeEnd('TreeBar');
}
};
// 0. 匹配站点
treeBar.matchSite();
if (treeBar.site.tagName !== 'body' && document.querySelector(treeBar.site.tagName)) {
treeBar.init();
} else {
document.onreadystatechange = function () {
document.readyState === "complete" && treeBar.init();
};
}
/* 解析DOM，构建树形数据 */
function transformTree(list) {
var result = [];
list.reduce(function (res, cur, index, arr) {
var prev = res[res.length - 1];
if (compare(prev, cur)) {
if (!prev.sub) prev.sub = [];
prev.sub.push(cur);
if (index === arr.length - 1) prev.sub = transformTree(prev.sub);
} else {
construct(res, cur);
if (prev && prev.sub) prev.sub = transformTree(prev.sub);
}
return res;
}, result);
// 转为树形结构的条件依据
function compare(prev, cur) {
return prev && cur.tagName.replace(/h/i, '') > prev.tagName.replace(/h/i, '');
}
// 转为树形结构后的数据改造
function construct(arr, obj) {
arr.push({
name: obj.innerText,
id: obj.id = obj.innerText,
tagName: obj.tagName
});
}
return result;
}
/* 根据数据构建目录 */
function compileList(tree) {
var list = '';
tree.forEach(function(item) {
var ul = item.sub ? compileList(item.sub) : '';
list +=
`<li>
<a href="#${item.id}" title="${item.name}">${item.name}</a>${ul}
</li>`;
});
return `<ul>${list}</ul>`;
}
})();
