-> v1.4.3

CHANGELOG.md

@@ -1,3 +1,26 @@
+## 1.4.3
+### Bug fixes
+- Tweak style.
+
+## 1.4.2
+
+### Bug fixes
+- Fix toggle button style.
+- Support `mailto`, `tel`, etc. href type
+- Fix scroll to top.
+
+
+## 1.4.1
+### Bug fixes
+- Fix generate slug.
+
+## 1.4.0 Happly new year 🎉
+### Features
+- Display TOC in the custom sidebar, `data-sub-max-level`.
+- Custom background in coverpage.
+
+### Bug fixes
+- Fix scroll highlight when Vue exist.
 
 ## 1.3.5
 ### Bug fixes

app.js

@@ -4,7 +4,7 @@ var fs = require('fs')
 
 http.createServer(function (req, res) {
   serveStatic('.')(req, res, function () {
-    res.writeHead(200, { 'Content-Type': 'text/html' })
+    res.writeHead(404, { 'Content-Type': 'text/html' })
     res.end(fs.readFileSync('dev.html'))
   })
 }).listen(3000, '0.0.0.0')

docs/README.md

@@ -29,7 +29,7 @@ Create `README.md` as the main page
 ```
 # Title
 
-## balabala
+## blabla
 ```
 
 ### Deploy!
@@ -38,7 +38,7 @@ Push and open the **GitHub Pages** feature
 
 ## CLI
 
-Easy to setup and preivew a docs.
+Easy to setup and preview a docs.
 
 ### Install
 ```shell
@@ -96,7 +96,7 @@ Code in `index.html`
 
 ### Cover Page
 
-Through the markdown can generate a cover page. create a `_coverpage.md` and set `data-coverpage` in script tag.
+Generate a cover page through with markdown. Create a `_coverpage.md` and set `data-coverpage` in script tag.
 
 ```markdown
 ![logo](_media/icon.svg)
@@ -114,6 +114,23 @@ Through the markdown can generate a cover page. create a `_coverpage.md` and set
 [Get Started](#quick-start)
 ```
 
+#### Custom background
+Currently the background of cover page is generated randomly. We can customize the background, just using the syntax to add image.
+
+```markdown
+# docsify <small>1.2.0</small>
+
+> xxx
+
+[GitHub](https://github.com/QingWei-Li/docsify/)
+[Get Started](#quick-start)
+
+<!-- background image -->
+![](_media/bg.png)
+<!-- background color -->
+![color](#f0f0f0)
+```
+
 
 ### Options
 
@@ -125,7 +142,7 @@ Display the [GitHub Corner](http://tholman.com/github-corners/) widget.
 ```
 
 #### max-level
-Toc level.
+TOC level.
 
 ```html
 <script src="//unpkg.com/docsify" data-max-level="6"></script>
@@ -148,7 +165,7 @@ Sidebar with toggle
 
 #### sidebar
 
-Custom sidebar. if it'set, the TOC will be disabeld. Bind global variables on the `data-sidebar`.
+Custom sidebar. If it's set, the TOC will be disabled. Bind global variables on the `data-sidebar`.
 
 ![image](https://cloud.githubusercontent.com/assets/7565692/20647425/de5ab1c2-b4ce-11e6-863a-135868f2f9b4.png)
 
@@ -172,8 +189,8 @@ Custom sidebar. if it'set, the TOC will be disabeld. Bind global variables on th
 
 #### load-sidebar
 
-Load sidebar markdown file. If it is configured, load  the current directory `_sidebar.md` by default. If the file isn't exist, sidebar will appear TOC.
-** you should add `.nojekyll` into docs folder, to prevent GitHub Pages from ignoring the `_sidebar.md`**
+Load sidebar markdown file. If it is configured, load the current directory `_sidebar.md` by default. If the file isn't exist, sidebar will appear as a TOC.
+** you should add `.nojekyll` into docs folder to prevent GitHub Pages from ignoring the `_sidebar.md`**
 
 ```html
 <script src="/lib/docsify.js" data-load-sidebar></script>
@@ -201,9 +218,21 @@ The contents of the file can be:
   - [HTML5 History Mode](/history-mode)
 ```
 
+#### sub-max-level
+
+Display TOC in the custom sidebar. The default value is 0.
+
+
+```html
+<script src="/lib/docsify.js" data-load-sidebar data-max-sub-level="4"></script>
+```
+
+![image](https://cloud.githubusercontent.com/assets/7565692/21563209/a8894512-ceba-11e6-80eb-fef00b80625c.png)
+
+
 #### load-navbar
 
-Load navbar markdown file. If it is configured, load  the current directory `_navbar.md` by default.
+Load navbar markdown file. If it is configured, load the current directory `_navbar.md` by default.
 
 ```html
 <script src="/lib/docsify.js" data-load-navbar></script>
@@ -250,7 +279,7 @@ Scroll to the top on changing hash.
 
 #### homepage
 
-`README.md` will be render as homepage for your website in docs folder, but sometimes we want to specify another file as a homepage, or even use the `README.md` in your repo. we can use (need `data-router`):
+`README.md` will be rendered as a homepage for your website in the docs folder, but sometimes we want to specify another file as a homepage, or even use the `README.md` in your repo. We can use (need `data-router`):
 
 ```html
 <script src="/lib/docsify.js" data-homepage="https://raw.githubusercontent.com/QingWei-Li/docsify/master/README.md"></script>

docs/_coverpage.md

@@ -1,6 +1,6 @@
 ![logo](_media/icon.svg)
 
-# docsify <small>1.3.3</small>
+# docsify <small>1.4.2</small>
 
 > A magical documentation site generator.
 

docs/_media/snow.js

@@ -1,56 +0,0 @@
-// Fork https://github.com/HermannBjorgvin/SnowJs/blob/master/snow.js
-(function(){
-    var canvas = document.createElement("canvas");
-    var ctx = canvas.getContext("2d");
-    var flakeArray = [];
-
-    canvas.style.pointerEvents = "none";
-    canvas.style.position = "absolute";
-    canvas.style.top = 0;
-    canvas.style.left = 0;
-    canvas.style.width = "100vw";
-    canvas.style.height = "100vh";
-    document.body.appendChild(canvas);
-
-    function canvasResize(){
-        canvas.height = canvas.offsetHeight;
-        canvas.width = canvas.offsetWidth;
-    }
-    canvasResize();
-
-    window.onresize = function() {
-        canvasResize();
-    };
-
-    var MyMath = Math;
-
-    setInterval(function() {
-        ctx.clearRect(0, 0, canvas.width, canvas.height);
-        ctx.beginPath();
-
-        var random = MyMath.random();
-        var distance = .05 + .95 * random;
-
-        flake = {};
-        flake.x = 1.5 * canvas.width * MyMath.random() - .5 * canvas.width;
-        flake.y = -9;
-        flake.velX = 2 * distance * (MyMath.random() / 2 + .5);
-        flake.velY = (4 + 2 * MyMath.random()) * distance;
-        flake.radius = MyMath.pow(5 * random, 2) / 5;
-        flake.update = function() {
-            var t = this;
-            t.x += t.velX;
-            t.y += t.velY;
-            ctx.beginPath();
-            ctx.arc(t.x, t.y, t.radius, 0, 2 * MyMath.PI, !1);
-            ctx.fillStyle = "#FFF";
-            ctx.fill()
-        };
-
-        flakeArray.push(flake);
-
-        for (b = 0; b < flakeArray.length; b++) {
-            flakeArray[b].y > canvas.height ? flakeArray.splice(b, 1) : flakeArray[b].update()
-        }
-    }, 16);
-})();

docs/index.html

@@ -15,7 +15,6 @@
   </nav>
   <div id="app"></div>
 </body>
-<script src="_media/snow.js"></script>
 <script
   src="//unpkg.com/docsify/lib/docsify.min.js"
   data-max-level="4"

docs/zh-cn.md

@@ -121,6 +121,23 @@ docsify serve docs
 ```
 
 
+#### 自定义封面背景
+默认的背景是随机生成的，你可以自定义背景色或者背景图片。只需要在文档末尾用添加图片的 Markdown 语法
+
+```markdown
+# docsify <small>1.2.0</small>
+
+> xxx
+
+[GitHub](https://github.com/QingWei-Li/docsify/)
+[Get Started](#quick-start)
+
+<!-- 背景图片 -->
+![](_media/bg.png)
+<!-- 背景色 -->
+![color](#f0f0f0)
+```
+
 
 ### 配置参数
 
@@ -206,6 +223,18 @@ Sidebar 开关按钮
   - [HTML5 History Mode](/history-mode)
 ```
 
+#### sub-max-level
+
+显示 TOC 在自定义的侧边栏里，默认最大显示 0 层。
+
+
+```html
+<script src="/lib/docsify.js" data-load-sidebar data-max-sub-level="4"></script>
+```
+
+![image](https://cloud.githubusercontent.com/assets/7565692/21563209/a8894512-ceba-11e6-80eb-fef00b80625c.png)
+
+
 #### load-navbar
 
 读取导航配置文件，如果配置，默认加载当前目录下的 `_navbar.md`。如果文件不存在，会显示 html 里定义的导航栏。
@@ -277,7 +306,7 @@ Sidebar 开关按钮
 
 #### coverpage
 
-生成封面，参考 [#封面](#封面).
+生成封面，参考 [#封面](/zh-cn#封面).
 
 ```html
 <script src="/lib/docsify.js" data-coverpage></script>

lib/docsify.js

@@ -114,6 +114,35 @@ function isMobile () {
   return document.body.clientWidth <= 600
 }
 
+function slugify (string) {
+  var re = /[\u2000-\u206F\u2E00-\u2E7F\\'!"#$%&()*+,.\/:;<=>?@\[\]^`{|}~]/g;
+  var maintainCase = false;
+  var replacement = '-';
+  slugify.occurrences = slugify.occurrences || {};
+
+  if (typeof string !== 'string') { return '' }
+  if (!maintainCase) { string = string.toLowerCase(); }
+
+  var slug = string.trim()
+    .replace(re, '')
+    .replace(/\s/g, replacement);
+  var occurrences = slugify.occurrences[slug];
+
+  if (slugify.occurrences.hasOwnProperty(slug)) {
+    occurrences++;
+  } else {
+    occurrences = 0;
+  }
+
+  slugify.occurrences[slug] = occurrences;
+
+  if (occurrences) {
+    slug = slug + '-' + occurrences;
+  }
+
+  return slug
+}
+
 /**
  * Active sidebar when scroll
  * @link https://buble.surge.sh/
@@ -130,7 +159,10 @@ function scrollActiveSidebar () {
     var li = lis[i];
     var href = li.querySelector('a').getAttribute('href');
 
-    if (href !== '/') { href = href.match(/#([^#]+)$/g)[0].slice(1); }
+    if (href !== '/') {
+      var match = href.match('#([^#]+)$');
+      if (match && match.length) { href = match[0].slice(1); }
+    }
 
     nav[decodeURIComponent(href)] = li;
   }
@@ -174,19 +206,23 @@ function activeLink (dom, activeParent) {
   var host = window.location.href;
 
   dom = typeof dom === 'object' ? dom : document.querySelector(dom);
-  if (!dom) { return
+  if (!dom) { return }
+  var target;[].slice.call(dom.querySelectorAll('a'))
+    .sort(function (a, b) { return b.href.length - a.href.length; })
+    .forEach(function (node) {
+      if (host.indexOf(node.href) === 0 && !target) {
+        activeParent
+          ? node.parentNode.setAttribute('class', 'active')
+          : node.setAttribute('class', 'active');
+        target = node;
+      } else {
+        activeParent
+          ? node.parentNode.removeAttribute('class')
+          : node.removeAttribute('class');
+      }
+    });
 
-  ; }[].slice.call(dom.querySelectorAll('a')).forEach(function (node) {
-    if (node.href === host) {
-      activeParent
-        ? node.parentNode.setAttribute('class', 'active')
-        : node.setAttribute('class', 'active');
-    } else {
-      activeParent
-        ? node.parentNode.removeAttribute('class')
-        : node.removeAttribute('class');
-    }
-  });
+  return target
 }
 
 /**
@@ -199,19 +235,14 @@ function bindToggle (dom) {
 
   dom.addEventListener('click', function () { return body.classList.toggle('close'); });
 
-  if (!/mobile/i.test(navigator.userAgent)) { return }
-  document.querySelector('aside').addEventListener('click', function (event) {
-    body.classList.toggle('close');
-  });
+  if (isMobile()) {
+    document.querySelector('aside')
+      .addEventListener('click', function (_) { return body.classList.toggle('close'); });
+  }
 }
 
-var cacheContentDOM;
 function scroll2Top () {
-  if (!cacheContentDOM) {
-    var dom = isMobile() ? 'body' : 'section.content';
-    cacheContentDOM = document.querySelector(dom);
-  }
-  cacheContentDOM.scrollTop = 0;
+  document.body.scrollTop = 0;
 }
 
 function sticky () {
@@ -2338,7 +2369,10 @@ function corner (data) {
  * Render main content
  */
 function main (tpl) {
-  return ("<main>\n    " + tpl + "\n    <aside class=\"sidebar\"></aside>\n    <section class=\"content\">\n      <article class=\"markdown-section\"></article>\n    </section>\n  </main>")
+  var aside = tpl + "<aside class=\"sidebar\"></aside>";
+
+  return (isMobile() ? (aside + "<main>") : ("<main>" + aside)) +
+    "<section class=\"content\">\n      <article class=\"markdown-section\"></article>\n    </section>\n    </main>"
 }
 
 /**
@@ -2348,11 +2382,11 @@ function cover () {
   var SL = ', 100%, 85%';
   var bgc = "linear-gradient(to left bottom, hsl(" + (Math.floor(Math.random() * 255) + SL) + ") 0%, hsl(" + (Math.floor(Math.random() * 255) + SL) + ") 100%)";
 
-  return ("<section class=\"cover\" style=\"background: " + bgc + "\">\n    <div class=\"cover-main\"></div>\n  </section>")
+  return ("<section class=\"cover\" style=\"background: " + bgc + "\">\n    <div class=\"cover-main\"></div>\n    <div class=\"mask\"></div>\n  </section>")
 }
 
 function toggle () {
-  return "<button class=\"sidebar-toggle\">\n    <span></span><span></span><span></span>\n  </button>"
+  return "<button class=\"sidebar-toggle\">\n      <div class=\"sidebar-toggle-button\">\n        <span></span><span></span><span></span>\n      </div>\n    </button>"
 }
 
 /**
@@ -2393,9 +2427,7 @@ var renderer = new marked.Renderer();
  * @link https://github.com/chjj/marked#overriding-renderer-methods
  */
 renderer.heading = function (text, level) {
-  var slug = text.toLowerCase()
-      .replace(/<(?:.|\n)*?>/gm, '')
-      .replace(/[^\w|\u4e00-\u9fa5]+/g, '-');
+  var slug = slugify(text);
   var route = '';
 
   if (OPTIONS$1.router) {
@@ -2404,7 +2436,7 @@ renderer.heading = function (text, level) {
 
   toc.push({ level: level, slug: (route + "#" + (encodeURIComponent(slug))), title: text });
 
-  return ("<a href=\"" + route + "#" + slug + "\" data-id=\"" + slug + "\" class=\"anchor\"><h" + level + " id=\"" + slug + "\">" + text + "</h" + level + "></a>")
+  return ("<h" + level + " id=\"" + slug + "\"><a href=\"" + route + "#" + slug + "\" data-id=\"" + slug + "\" class=\"anchor\"><span>" + text + "</span></a></h" + level + ">")
 };
 // highlight code
 renderer.code = function (code, lang) {
@@ -2416,7 +2448,7 @@ renderer.code = function (code, lang) {
   return ("<pre data-lang=\"" + lang + "\"><code class=\"lang-" + lang + "\">" + hl + "</code></pre>")
 };
 renderer.link = function (href, title, text) {
-  if (OPTIONS$1.router && !/^(?:\w+:)?\/\/([^\s\.]+\.\S{2}|localhost[\:?\d]*)\S*$/.test(href)) {
+  if (OPTIONS$1.router && !/:/.test(href)) {
     href = ("#/" + href).replace(/\/\//g, '/');
   }
 
@@ -2452,12 +2484,12 @@ function renderApp (dom, replace) {
  */
 function renderArticle (content) {
   renderTo('article', content ? marked(content) : 'not found');
-  if (!renderSidebar.rendered) { renderSidebar(null, OPTIONS$1); }
-  if (!renderNavbar.rendered) { renderNavbar(null, OPTIONS$1); }
-  renderSidebar.rendered = false;
-  renderNavbar.rendered = false;
+  if (!OPTIONS$1.sidebar && !OPTIONS$1.loadSidebar) { renderSidebar(); }
 
-  if (content && typeof Vue !== 'undefined' && typeof Vuep !== 'undefined') { new Vue({ el: 'main' }); } // eslint-disable-line
+  if (content && typeof Vue !== 'undefined' && typeof Vuep !== 'undefined') {
+    var vm = new Vue({ el: 'main' }); // eslint-disable-line
+    vm.$nextTick(function (_) { return scrollActiveSidebar(); });
+  }
   if (OPTIONS$1.auto2top) { scroll2Top(); }
 }
 
@@ -2467,7 +2499,6 @@ function renderArticle (content) {
 function renderNavbar (content) {
   if (CACHE.navbar && CACHE.navbar === content) { return }
   CACHE.navbar = content;
-  renderNavbar.rendered = true;
 
   if (content) { renderTo('nav', marked(content)); }
   activeLink('nav');
@@ -2477,23 +2508,27 @@ function renderNavbar (content) {
  * sidebar
  */
 function renderSidebar (content) {
-  var isToc = false;
+  var html;
 
   if (content) {
-    content = marked(content);
+    html = marked(content);
   } else if (OPTIONS$1.sidebar) {
-    content = tree(OPTIONS$1.sidebar, '<ul>');
+    html = tree(OPTIONS$1.sidebar, '<ul>');
   } else {
-    content = tree(genTree(toc, OPTIONS$1.maxLevel), '<ul>');
-    isToc = true;
+    html = tree(genTree(toc, OPTIONS$1.maxLevel), '<ul>');
   }
 
-  renderSidebar.rendered = true;
-  if (CACHE.sidebar && CACHE.sidebar === content) { return }
-  CACHE.sidebar = content;
-  renderTo('aside.sidebar', content);
-  if (isToc) { scrollActiveSidebar(); }
+  renderTo('aside.sidebar', html);
+  var target = activeLink('aside.sidebar', true);
+  if (content) { renderSubSidebar(target); }
   toc = [];
+
+  scrollActiveSidebar();
+}
+
+function renderSubSidebar (target) {
+  if (!OPTIONS$1.subMaxLevel) { return }
+  target.parentNode.innerHTML += tree(genTree(toc, OPTIONS$1.subMaxLevel), '<ul>');
 }
 
 /**
@@ -2502,12 +2537,31 @@ function renderSidebar (content) {
 function renderCover (content) {
   renderCover.dom = renderCover.dom || document.querySelector('section.cover');
   if (!content) {
-    renderCover.dom.classList.add('hidden');
-  } else {
-    renderCover.dom.classList.remove('hidden');
-    !renderCover.rendered && renderTo('.cover-main', marked(content));
-    renderCover.rendered = true;
+    renderCover.dom.classList.remove('show');
+    return
   }
+  renderCover.dom.classList.add('show');
+  if (renderCover.rendered) { return }
+
+  // render cover
+  var html = marked(content);
+  var match = html.trim().match('<p><img[^s]+src="(.*?)"[^a]+alt="(.*?)"></p>$');
+
+  // render background
+  if (match) {
+    var coverEl = document.querySelector('section.cover');
+
+    if (match[2] === 'color') {
+      coverEl.style.background = match[1];
+    } else {
+      coverEl.classList.add('has-mask');
+      coverEl.style.backgroundImage = "url(" + (match[1]) + ")";
+    }
+    html = html.replace(match[0], '');
+  }
+
+  renderTo('.cover-main', html);
+  renderCover.rendered = true;
 
   sticky();
 }
@@ -2561,6 +2615,7 @@ var OPTIONS = {
   el: '#app',
   repo: '',
   maxLevel: 6,
+  subMaxLevel: 0,
   sidebar: '',
   sidebarToggle: false,
   loadSidebar: null,
@@ -2595,7 +2650,6 @@ var mainRender = function (cb) {
   var route = OPTIONS.basePath + getRoute();
   if (cacheRoute === route) { return cb() }
 
-  var wait;
   var basePath = cacheRoute = route;
 
   if (!/\//.test(basePath)) {
@@ -2627,22 +2681,16 @@ var mainRender = function (cb) {
     if (OPTIONS.coverpage && page !== OPTIONS.homepage) { renderCover(); }
     // render sidebar
     if (OPTIONS.loadSidebar) {
-      if (wait === false) { cb(); }
-      wait = false;
+      load(basePath + OPTIONS.loadSidebar)
+        .then(function (result) {
+          renderSidebar(result);
+          cb();
+        });
     } else {
       cb();
     }
   }, function (_) { return renderArticle(null); });
 
-  // Render sidebar
-  if (OPTIONS.loadSidebar) {
-    load(basePath + OPTIONS.loadSidebar).then(function (result) {
-      renderSidebar(result);
-      if (wait === false) { cb(); }
-      wait = false;
-    });
-  }
-
   // Render navbar
   if (OPTIONS.loadNavbar) {
     load(basePath + OPTIONS.loadNavbar).then(renderNavbar);
@@ -2653,10 +2701,7 @@ var Docsify = function () {
   var dom = document.querySelector(OPTIONS.el) || document.body;
   var replace = dom !== document.body;
   var main = function () {
-    mainRender(function (_) {
-      activeLink('aside.sidebar', true);
-      scrollIntoView();
-    });
+    mainRender(function (_) { return scrollIntoView(); });
   };
 
   // Render app

package.json

@@ -1,6 +1,6 @@
 {
   "name": "docsify",
-  "version": "1.3.5",
+  "version": "1.4.3",
   "description": "A magical documentation generator.",
   "main": "lib/docsify.js",
   "files": [

src/event.js

@@ -16,7 +16,10 @@ export function scrollActiveSidebar () {
     const li = lis[i]
     let href = li.querySelector('a').getAttribute('href')
 
-    if (href !== '/') href = href.match(/#([^#]+)$/g)[0].slice(1)
+    if (href !== '/') {
+      const match = href.match('#([^#]+)$')
+      if (match && match.length) href = match[0].slice(1)
+    }
 
     nav[decodeURIComponent(href)] = li
   }
@@ -61,18 +64,24 @@ export function activeLink (dom, activeParent) {
 
   dom = typeof dom === 'object' ? dom : document.querySelector(dom)
   if (!dom) return
+  let target
 
-  ;[].slice.call(dom.querySelectorAll('a')).forEach(node => {
-    if (node.href === host) {
-      activeParent
-        ? node.parentNode.setAttribute('class', 'active')
-        : node.setAttribute('class', 'active')
-    } else {
-      activeParent
-        ? node.parentNode.removeAttribute('class')
-        : node.removeAttribute('class')
-    }
-  })
+  ;[].slice.call(dom.querySelectorAll('a'))
+    .sort((a, b) => b.href.length - a.href.length)
+    .forEach(node => {
+      if (host.indexOf(node.href) === 0 && !target) {
+        activeParent
+          ? node.parentNode.setAttribute('class', 'active')
+          : node.setAttribute('class', 'active')
+        target = node
+      } else {
+        activeParent
+          ? node.parentNode.removeAttribute('class')
+          : node.removeAttribute('class')
+      }
+    })
+
+  return target
 }
 
 /**
@@ -85,19 +94,14 @@ export function bindToggle (dom) {
 
   dom.addEventListener('click', () => body.classList.toggle('close'))
 
-  if (!/mobile/i.test(navigator.userAgent)) return
-  document.querySelector('aside').addEventListener('click', event => {
-    body.classList.toggle('close')
-  })
+  if (isMobile()) {
+    document.querySelector('aside')
+      .addEventListener('click', _ => body.classList.toggle('close'))
+  }
 }
 
-let cacheContentDOM
 export function scroll2Top () {
-  if (!cacheContentDOM) {
-    const dom = isMobile() ? 'body' : 'section.content'
-    cacheContentDOM = document.querySelector(dom)
-  }
-  cacheContentDOM.scrollTop = 0
+  document.body.scrollTop = 0
 }
 
 export function sticky () {

src/index.js

@@ -1,11 +1,12 @@
 import { load, camel2kebab, isNil, getRoute } from './util'
-import { activeLink, scrollIntoView } from './event'
+import { scrollIntoView } from './event'
 import * as render from './render'
 
 const OPTIONS = {
   el: '#app',
   repo: '',
   maxLevel: 6,
+  subMaxLevel: 0,
   sidebar: '',
   sidebarToggle: false,
   loadSidebar: null,
@@ -40,7 +41,6 @@ const mainRender = function (cb) {
   const route = OPTIONS.basePath + getRoute()
   if (cacheRoute === route) return cb()
 
-  let wait
   let basePath = cacheRoute = route
 
   if (!/\//.test(basePath)) {
@@ -72,22 +72,16 @@ const mainRender = function (cb) {
     if (OPTIONS.coverpage && page !== OPTIONS.homepage) render.renderCover()
     // render sidebar
     if (OPTIONS.loadSidebar) {
-      if (wait === false) cb()
-      wait = false
+      load(basePath + OPTIONS.loadSidebar)
+        .then(result => {
+          render.renderSidebar(result)
+          cb()
+        })
     } else {
       cb()
     }
   }, _ => render.renderArticle(null))
 
-  // Render sidebar
-  if (OPTIONS.loadSidebar) {
-    load(basePath + OPTIONS.loadSidebar).then(result => {
-      render.renderSidebar(result)
-      if (wait === false) cb()
-      wait = false
-    })
-  }
-
   // Render navbar
   if (OPTIONS.loadNavbar) {
     load(basePath + OPTIONS.loadNavbar).then(render.renderNavbar)
@@ -98,10 +92,7 @@ const Docsify = function () {
   const dom = document.querySelector(OPTIONS.el) || document.body
   const replace = dom !== document.body
   const main = function () {
-    mainRender(_ => {
-      activeLink('aside.sidebar', true)
-      scrollIntoView()
-    })
+    mainRender(_ => scrollIntoView())
   }
 
   // Render app

src/render.js

@@ -2,7 +2,7 @@ import marked from 'marked'
 import Prism from 'prismjs'
 import * as tpl from './tpl'
 import { activeLink, scrollActiveSidebar, bindToggle, scroll2Top, sticky } from './event'
-import { genTree, getRoute, isMobile } from './util'
+import { genTree, getRoute, isMobile, slugify } from './util'
 
 let OPTIONS = {}
 const CACHE = {}
@@ -21,9 +21,7 @@ const renderer = new marked.Renderer()
  * @link https://github.com/chjj/marked#overriding-renderer-methods
  */
 renderer.heading = function (text, level) {
-  const slug = text.toLowerCase()
-      .replace(/<(?:.|\n)*?>/gm, '')
-      .replace(/[^\w|\u4e00-\u9fa5]+/g, '-')
+  const slug = slugify(text)
   let route = ''
 
   if (OPTIONS.router) {
@@ -32,7 +30,7 @@ renderer.heading = function (text, level) {
 
   toc.push({ level, slug: `${route}#${encodeURIComponent(slug)}`, title: text })
 
-  return `<a href="${route}#${slug}" data-id="${slug}" class="anchor"><h${level} id="${slug}">${text}</h${level}></a>`
+  return `<h${level} id="${slug}"><a href="${route}#${slug}" data-id="${slug}" class="anchor"><span>${text}</span></a></h${level}>`
 }
 // highlight code
 renderer.code = function (code, lang = '') {
@@ -42,7 +40,7 @@ renderer.code = function (code, lang = '') {
   return `<pre data-lang="${lang}"><code class="lang-${lang}">${hl}</code></pre>`
 }
 renderer.link = function (href, title, text) {
-  if (OPTIONS.router && !/^(?:\w+:)?\/\/([^\s\.]+\.\S{2}|localhost[\:?\d]*)\S*$/.test(href)) {
+  if (OPTIONS.router && !/:/.test(href)) {
     href = `#/${href}`.replace(/\/\//g, '/')
   }
 
@@ -78,12 +76,12 @@ export function renderApp (dom, replace) {
  */
 export function renderArticle (content) {
   renderTo('article', content ? marked(content) : 'not found')
-  if (!renderSidebar.rendered) renderSidebar(null, OPTIONS)
-  if (!renderNavbar.rendered) renderNavbar(null, OPTIONS)
-  renderSidebar.rendered = false
-  renderNavbar.rendered = false
+  if (!OPTIONS.sidebar && !OPTIONS.loadSidebar) renderSidebar()
 
-  if (content && typeof Vue !== 'undefined' && typeof Vuep !== 'undefined') new Vue({ el: 'main' }) // eslint-disable-line
+  if (content && typeof Vue !== 'undefined' && typeof Vuep !== 'undefined') {
+    const vm = new Vue({ el: 'main' }) // eslint-disable-line
+    vm.$nextTick(_ => scrollActiveSidebar())
+  }
   if (OPTIONS.auto2top) scroll2Top()
 }
 
@@ -93,7 +91,6 @@ export function renderArticle (content) {
 export function renderNavbar (content) {
   if (CACHE.navbar && CACHE.navbar === content) return
   CACHE.navbar = content
-  renderNavbar.rendered = true
 
   if (content) renderTo('nav', marked(content))
   activeLink('nav')
@@ -103,23 +100,27 @@ export function renderNavbar (content) {
  * sidebar
  */
 export function renderSidebar (content) {
-  let isToc = false
+  let html
 
   if (content) {
-    content = marked(content)
+    html = marked(content)
   } else if (OPTIONS.sidebar) {
-    content = tpl.tree(OPTIONS.sidebar, '<ul>')
+    html = tpl.tree(OPTIONS.sidebar, '<ul>')
   } else {
-    content = tpl.tree(genTree(toc, OPTIONS.maxLevel), '<ul>')
-    isToc = true
+    html = tpl.tree(genTree(toc, OPTIONS.maxLevel), '<ul>')
   }
 
-  renderSidebar.rendered = true
-  if (CACHE.sidebar && CACHE.sidebar === content) return
-  CACHE.sidebar = content
-  renderTo('aside.sidebar', content)
-  if (isToc) scrollActiveSidebar()
+  renderTo('aside.sidebar', html)
+  const target = activeLink('aside.sidebar', true)
+  if (content) renderSubSidebar(target)
   toc = []
+
+  scrollActiveSidebar()
+}
+
+export function renderSubSidebar (target) {
+  if (!OPTIONS.subMaxLevel) return
+  target.parentNode.innerHTML += tpl.tree(genTree(toc, OPTIONS.subMaxLevel), '<ul>')
 }
 
 /**
@@ -128,12 +129,31 @@ export function renderSidebar (content) {
 export function renderCover (content) {
   renderCover.dom = renderCover.dom || document.querySelector('section.cover')
   if (!content) {
-    renderCover.dom.classList.add('hidden')
-  } else {
-    renderCover.dom.classList.remove('hidden')
-    !renderCover.rendered && renderTo('.cover-main', marked(content))
-    renderCover.rendered = true
+    renderCover.dom.classList.remove('show')
+    return
   }
+  renderCover.dom.classList.add('show')
+  if (renderCover.rendered) return
+
+  // render cover
+  let html = marked(content)
+  const match = html.trim().match('<p><img[^s]+src="(.*?)"[^a]+alt="(.*?)"></p>$')
+
+  // render background
+  if (match) {
+    const coverEl = document.querySelector('section.cover')
+
+    if (match[2] === 'color') {
+      coverEl.style.background = match[1]
+    } else {
+      coverEl.classList.add('has-mask')
+      coverEl.style.backgroundImage = `url(${match[1]})`
+    }
+    html = html.replace(match[0], '')
+  }
+
+  renderTo('.cover-main', html)
+  renderCover.rendered = true
 
   sticky()
 }

src/themes/basic/_coverpage.css

@@ -1,16 +1,27 @@
 section.cover {
-  height: 100vh;
-  display: flex;
   align-items: center;
+  background-position: center center;
+  background-repeat: no-repeat;
+  background-size: cover;
+  height: 100vh;
+  display: none;
 
-  &.hidden {
-    display: none;
+  &.show {
+    display: flex;
+  }
+
+  &.has-mask .mask {
+    position: absolute;
+    size: 100%;
+    background-color: $color-bg;
+    opacity: .8;
   }
 
   .cover-main {
     flex: 1;
     text-align: center;
-    margin: 0 16px;
+    margin: -20px 16px 0;
+    z-index: 1;
   }
 
   a {
@@ -35,6 +46,10 @@ section.cover {
     font-weight: 300;
     color: inherit;
 
+    a {
+      display: block;
+    }
+
     small {
       position: absolute;
       bottom: -.4375rem;

src/themes/basic/_layout.css

@@ -31,6 +31,7 @@ body {
   letter-spacing: 0;
   margin: 0;
   overflow-x: hidden;
+  color: $color-text;
 }
 
 img {
@@ -95,7 +96,7 @@ nav {
     display: inline-block;
 
     ul {
-      background-color: rgba(#fff, .6);
+      background-color: rgba($color-bg, .6);
       border: 1px solid $color-primary;
       opacity: 0;
       overflow: hidden;
@@ -150,7 +151,7 @@ nav {
   }
 
   svg {
-    color: #fff;
+    color: $color-bg;
     height: 80px;
     width: 80px;
     fill: $color-primary;
@@ -159,14 +160,18 @@ nav {
 
 /* main */
 main {
-  size: 100% 100%;
+  size: 100vw 100%;
   position: relative;
 }
 
 .anchor {
   text-decoration: none;
   transition: all .3s;
-  display: block;
+  display: inline-block;
+
+  span {
+    color: $color-text;
+  }
 
   &:hover {
     text-decoration: underline;
@@ -177,7 +182,7 @@ main {
 .sidebar {
   border-right: 1px solid rgba(0, 0, 0, .07);
   overflow-y: auto;
-  padding-top: 40px;
+  padding: 40px 0;
   position: absolute 0 * 0 0;
   transition: transform 250ms ease-out;
   width: $sidebar-width;
@@ -206,17 +211,18 @@ main {
 .sidebar-toggle {
   background-color: transparent;
   border: 0;
-  bottom: 10px;
-  left: 10px;
   outline: none;
-  position: absolute;
+  position: absolute * * 0 0;
   text-align: center;
   transition: opacity .3s;
   width: 30px;
   z-index: 30;
   outline: none;
+  width: calc($sidebar-width - 16px);
+  padding: 10px;
+  background-color: rgba($color-bg, .8);
 
-  &:hover {
+  .sidebar-toggle-button:hover {
     opacity: .4;
   }
 
@@ -290,6 +296,10 @@ body.close {
     transform: translateX(-$sidebar-width);
   }
 
+  .sidebar-toggle {
+    width: auto;
+  }
+
   .content {
     left: 0;
   }
@@ -308,6 +318,11 @@ body.close {
     top: 30px;
   }
 
+  main {
+    height: auto;
+    overflow-x: hidden;
+  }
+
   .sidebar {
     left: -$sidebar-width;
     transition: transform 250ms ease-out;
@@ -315,7 +330,8 @@ body.close {
 
   .content {
     left: 0;
-    min-width: 100vw;
+    max-width: 100vw;
+    position: static;
     transition: transform 250ms ease;
   }
 
@@ -323,17 +339,28 @@ body.close {
     transition: transform 250ms ease-out;
   }
 
+  .sidebar-toggle {
+    width: auto;
+    background-color: transparent;
+  }
+
   body.close {
     .sidebar {
       transform: translateX($sidebar-width);
     }
 
+    .sidebar-toggle {
+      width: calc($sidebar-width - 16px);
+      background-color: rgba($color-bg, .8);
+      transition: 1s background-color;
+    }
+
     .content {
       transform: translateX($sidebar-width);
     }
 
     nav, .github-corner {
-      transform: translateX($sidebar-width);
+      display: none;
     }
   }
 

src/themes/buble.css

@@ -1,18 +1,17 @@
 @import url('https://fonts.googleapis.com/css?family=Inconsolata|Inconsolata-Bold');
 
 $color-primary: #0074D9;
+$color-bg: #fff;
+$color-text: #34495e;
 $sidebar-width: 16em;
 
 @import "basic/layout";
 @import "basic/coverpage";
 
-body {
-  color: #34495e;
-}
 /* sidebar */
 .sidebar {
   color: #364149;
-  background-color: #fff;
+  background-color: $color-bg;
 
   a {
     color: #666;

src/themes/pure.css

@@ -1,3 +1,5 @@
 $color-primary: #000;
+$color-bg: #fff;
+$color-text: #000;
 $sidebar-width: 300px;
 @import "basic/layout";

src/themes/vue.css

@@ -1,20 +1,21 @@
 @import url('https://fonts.googleapis.com/css?family=Roboto+Mono|Source+Sans+Pro:300,400,600');
 
 $color-primary: #42b983;
+$color-bg: #fff;
+$color-text: #34495e;
 $sidebar-width: 300px;
 
 @import "basic/layout";
 @import "basic/coverpage";
 
 body {
-  background-color: #fff;
-  color: #34495e;
+  background-color: $color-bg;
 }
 
 /* sidebar */
 .sidebar {
   color: #364149;
-  background-color: #fff;
+  background-color: $color-bg;
 
   li {
     margin: 6px 15px;

src/tpl.js

@@ -1,4 +1,4 @@
-
+import { isMobile } from './util'
 /**
  * Render github corner
  * @param  {Object} data
@@ -23,13 +23,13 @@ export function corner (data) {
  * Render main content
  */
 export function main (tpl) {
-  return `<main>
-    ${tpl}
-    <aside class="sidebar"></aside>
-    <section class="content">
+  const aside = `${tpl}<aside class="sidebar"></aside>`
+
+  return (isMobile() ? `${aside}<main>` : `<main>${aside}`) +
+    `<section class="content">
       <article class="markdown-section"></article>
     </section>
-  </main>`
+    </main>`
 }
 
 /**
@@ -41,13 +41,16 @@ export function cover () {
 
   return `<section class="cover" style="background: ${bgc}">
     <div class="cover-main"></div>
+    <div class="mask"></div>
   </section>`
 }
 
 export function toggle () {
   return `<button class="sidebar-toggle">
-    <span></span><span></span><span></span>
-  </button>`
+      <div class="sidebar-toggle-button">
+        <span></span><span></span><span></span>
+      </div>
+    </button>`
 }
 
 /**

src/util.js

@@ -106,3 +106,31 @@ export function isMobile () {
   return document.body.clientWidth <= 600
 }
 
+export function slugify (string) {
+  const re = /[\u2000-\u206F\u2E00-\u2E7F\\'!"#$%&()*+,.\/:;<=>?@\[\]^`{|}~]/g
+  const maintainCase = false
+  const replacement = '-'
+  slugify.occurrences = slugify.occurrences || {}
+
+  if (typeof string !== 'string') return ''
+  if (!maintainCase) string = string.toLowerCase()
+
+  let slug = string.trim()
+    .replace(re, '')
+    .replace(/\s/g, replacement)
+  let occurrences = slugify.occurrences[slug]
+
+  if (slugify.occurrences.hasOwnProperty(slug)) {
+    occurrences++
+  } else {
+    occurrences = 0
+  }
+
+  slugify.occurrences[slug] = occurrences
+
+  if (occurrences) {
+    slug = slug + '-' + occurrences
+  }
+
+  return slug
+}