From db5a2d9be8e9e13652de2b175c5a26d4aa2a47b6 Mon Sep 17 00:00:00 2001 From: Yaohaixiao Date: Sat, 5 Aug 2023 16:31:40 +0800 Subject: [PATCH] =?UTF-8?q?feat:=20=E6=B7=BB=E5=8A=A0=20afterScroll=20?= =?UTF-8?q?=E9=85=8D=E7=BD=AE=E5=8F=82=E6=95=B0=EF=BC=8C=E5=9C=A8=E6=BB=9A?= =?UTF-8?q?=E5=8A=A8=E7=BB=93=E6=9D=9F=E5=90=8E=E8=A7=A6=E5=8F=91=E7=9A=84?= =?UTF-8?q?=E5=9B=9E=E8=B0=83=E5=87=BD=E6=95=B0?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- anchors.min.js | 2 +- anchors.min.js.map | 2 +- api/pug/fixed.pug | 3 ++ api/pug/methods.pug | 2 ++ api/pug/options/afterScroll.pug | 52 +++++++++++++++++++++++++++++++++ api/pug/options/section.pug | 1 + chapters.min.js | 2 +- chapters.min.js.map | 2 +- docs/fixed.html | 30 ++++++++++++++++++- docs/flex.html | 27 ++++++++++++++++- docs/index.html | 29 ++++++++++++++++-- docs/js/outline.min.js | 2 +- docs/js/outline.min.js.map | 2 +- docs/sticky.html | 27 ++++++++++++++++- outline.min.js | 2 +- 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s,n;return!!o(t)&&(s=t.className,!!s&&(n=t.classList,n?.contains?t.classList.contains(e):!!s.match(r)))})(t,e))return!1;r=t.classList,r?.remove?r.remove(e):(s=L(s.replace(e,"")),t.className=s)},z=(e,r=!0,s=!0)=>{const n="outline-heading",i=e.innerHTML;let o;if(e.innerHTML=i.replace(/^\d+(?:(\.?\d*)*\s?)?/gi,""),e.removeAttribute("id"),e.removeAttribute("data-id"),x(e,n),!r)return!1;var c;o=e.querySelector(`.${n}__anchor`),s&&x(e,`${n}_start`),c=L(e.className),t(c)&&""===c&&e.removeAttribute("class"),e.removeChild(o)},j=(e,r=!0)=>{const s=[];let n=1,i=0;return e.forEach(((e,r)=>{const o=e.tagName.replace(/h/i,"");let c=parseInt(o,10),l=-1;var a;c>n?(i+=1,l=1===i?-1:r-1):c===n||ci?1===c?(i=1,l=-1):l=s[r-1].pid:c<=i&&(1===c?i=1:(i-=n-c,i<=1&&(i=1)),l=1===i?-1:((t,e,r)=>{let s,n,i=t[r-1];for(n=0;n]+(>|$)/g,""):"")})})),r?(t=>{const e={};return t.forEach((t=>{const 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i=t[s[e[r]]];-1!==e[r]?i.children.push(e):n.push(e)})),n})(e,"id","pid"):e}count(){return this.chapters.length}render(){const t=this.attr("mounted"),e=this.attr("hasAnchor"),r=this.attr("isAtStart"),n=this.attr("showCode"),i=this.attr("anchorURL"),o=this.$headings,c=this.getChapters();return((t=[])=>{const e=['','','','','','','',''],r=E(t)&&t.length>0?e.concat(t):e,s=document.body;let n=document.querySelector("#svg-sprites");n?n.innerHTML=r.join(""):(n=document.createElement("div"),n.innerHTML=``,s.insertBefore(n.firstChild,s.firstChild))})(),o.forEach(((t,s)=>{const o=c[s].code;M(t,s,{hasAnchor:e,isAtStart:r,showCode:n,chapterCode:o,anchorURL:i})})),s(t)&&t.call(this),this}scrollTo(t,e){return((t,e,r)=>{const n=l(t);let i=n.scrollTop,o=0;const a=e-i,h=n.scrollHeight,d=e-h<=0?e:h,u=t=>(s(r)&&r(t),!1),p=()=>{if(o+=1,a<0){if(i-=c(o),n.scrollTop=i,i<=e)return n.scrollTop=e,u(e)}else if(i+=c(o),n.scrollTop=i,i>=d)return n.scrollTop=d,u(d);requestAnimationFrame(p)};requestAnimationFrame(p)})(this.$scrollElement,t,e),this}destroy(){const t=this.attr("hasAnchor"),e=this.attr("isAtStart"),r=this.attr("beforeDestroy"),n=this.attr("afterDestroy"),i=this.$headings;return s(r)&&r.call(this),this.removeListeners(),i.forEach((r=>{z(r,t,e)})),this.attr(S.DEFAULTS),this.$articleElement=null,this.$scrollElement=null,this.$headings=[],this.chapters=[],s(n)&&n.call(this),this}onAnchorTrigger(t){const e=this.attr("anchorURL"),r=this.attr("afterScroll"),n=this.attr("stickyHeight"),i=t.delegateTarget.parentNode,o=a(i)-(n+10),c=this.$scrollElement,l=c.scrollHeight-c.clientHeight;return this.scrollTo(o,(()=>{s(r)&&r.call(this,"anchor"),((t,e=300)=>{!!s(t)&&setTimeout((()=>{t()}),e)})((()=>{A("toolbar:update",{top:o,min:0,max:l})}))})),e||function(t){t.stopPropagation(),t.preventDefault()}(t),this}addListeners(){const t=this.$articleElement;return y(t,".outline-heading__anchor","click",this.onAnchorTrigger,this,!0),this}removeListeners(){const t=this.$articleElement;return f(t,"click",this.onAnchorTrigger),this}}return S.DEFAULTS={scrollElement:"html,body",articleElement:"#article",selector:"h1,h2,h3,h4,h5,h6",stickyHeight:0,anchorURL:"",hasAnchor:!0,isAtStart:!0,showCode:!1,created:null,mounted:null,afterScroll:null,beforeDestroy:null,afterDestroy:null},S})); //# sourceMappingURL=anchors.min.js.map diff --git a/anchors.min.js.map b/anchors.min.js.map index 4d7909cd..f18b2e11 100644 --- a/anchors.min.js.map +++ b/anchors.min.js.map @@ -1 +1 @@ -{"version":3,"file":"anchors.min.js","sources":["src/utils/types/isString.js","src/utils/lang/hasOwn.js","src/utils/lang/toString.js","src/utils/types/isFunction.js","src/utils/types/isObject.js","src/base.js","src/utils/lang/extend.js","src/utils/types/isElement.js","src/utils/lang/easeInQuad.js","src/utils/dom/_getScrollElement.js","src/utils/dom/offsetTop.js","src/utils/dom/matches.js","src/utils/dom/getParentOrHost.js","src/utils/event/enum.js","src/utils/event/_off.js","src/utils/event/_delete.js","src/utils/event/purgeElement.js","src/utils/event/getListeners.js","src/utils/event/off.js","src/utils/event/on.js","src/utils/event/getTarget.js","src/utils/dom/resolveTextNode.js","src/utils/dom/closest.js","src/utils/observer/_subscribers.js","src/utils/observer/_hasDirectSubscribersFor.js","src/utils/observer/has.js","src/utils/observer/_hasSubscribers.js","src/utils/observer/emit.js","src/utils/types/isTypedArray.js","src/utils/types/isArray.js","src/utils/lang/trim.js","src/utils/types/isDOM.js","src/utils/types/isHTMLCollection.js","src/utils/types/isFragment.js","src/utils/types/isTextNode.js","src/utils/dom/setAttribute.js","src/_updateHeading.js","src/utils/icons.js","src/utils/dom/createElement.js","src/utils/dom/removeClass.js","src/utils/dom/hasClass.js","src/_resetHeading.js","src/utils/types/isEmpty.js","src/getChapters.js","src/utils/lang/stripTags.js","src/_getChapterParentIdByDiffer.js","src/_getChaptersWithCode.js","src/anchors.js","src/utils/lang/toTree.js","src/utils/dom/scrollTo.js","src/utils/lang/later.js","src/utils/event/stop.js"],"sourcesContent":["/**\r\n * 检测数据是否为 String 类型\r\n * ========================================================================\r\n * @method isArray\r\n * @param {*} str\r\n * @returns {boolean}\r\n */\r\nconst isString = (str) => {\r\n return typeof str === 'string'\r\n}\r\n\r\nexport default isString\r\n","/**\r\n * 检测对象自身属性中是否具有指定的属性。\r\n * ========================================================================\r\n * @method hasOwn\r\n * @param {Object} obj - （必须）检测的目标对象\r\n * @param {String} prop - （必须）属性名\r\n * @returns {Boolean}\r\n */\r\nconst hasOwn = (obj, prop) => {\r\n const hasOwnProperty = Object.prototype.hasOwnProperty\r\n return obj && hasOwnProperty.call(obj, prop)\r\n}\r\n\r\nexport default hasOwn\r\n","/**\r\n * Object 对象原型上的 toString 方法\r\n * ========================================================================\r\n * @method toString\r\n * @param {*} val\r\n * @returns {string}\r\n */\r\nconst toString = (val) => {\r\n return Object.prototype.toString.apply(val)\r\n}\r\n\r\nexport default toString\r\n","import toString from '../lang/toString'\r\n\r\n/**\r\n * 检测测试数据是否为 Function 类型\r\n * ========================================================================\r\n * @method isFunction\r\n * @param {*} val - （必须）待检测的数据\r\n * @returns {boolean} 'val' 是 Function 类型返回 true，否则返回 false\r\n */\r\nconst isFunction = (val) => {\r\n return typeof val === 'function' || toString(val) === '[object Function]'\r\n}\r\n\r\nexport default isFunction\r\n","import toString from '../lang/toString'\r\nimport isFunction from '../types/isFunction'\r\n\r\n/**\r\n * 检测数据是否为 Object 类型\r\n * ========================================================================\r\n * @method isObject\r\n * @param {*} o\r\n * @returns {boolean}\r\n */\r\nconst isObject = (o) => {\r\n return (\r\n (toString(o) === '[object Object]' ||\r\n typeof o === 'object' ||\r\n isFunction(o)) &&\r\n o !== null\r\n )\r\n}\r\n\r\nexport default isObject\r\n","import isString from './utils/types/isString'\r\nimport hasOwn from './utils/lang/hasOwn'\r\nimport isObject from './utils/types/isObject'\r\nimport extend from './utils/lang/extend'\r\n\r\nclass Base {\r\n constructor(options) {\r\n this.attrs = {}\r\n\r\n if (options) {\r\n this.initialize(options)\r\n }\r\n }\r\n\r\n initialize(options) {\r\n this.attr(options).render().addListeners()\r\n return this\r\n }\r\n\r\n attr(prop, value) {\r\n const attrs = this.attrs\r\n\r\n if (isString(prop)) {\r\n // 只能扩展 attrs 中已有的属性\r\n if (value && hasOwn(attrs, prop)) {\r\n // 更新单个配置信息\r\n attrs[prop] = value\r\n return this\r\n }\r\n\r\n // 只传递 prop 参数，则返回对应的属性值\r\n return attrs[prop]\r\n } else if (isObject(prop)) {\r\n // 批量更新配置信息\r\n extend(attrs, prop)\r\n\r\n return this\r\n } else if (arguments.length === 0) {\r\n // 不传递参数，直接返回整个\r\n return attrs\r\n }\r\n\r\n return this\r\n }\r\n\r\n render() {\r\n return this\r\n }\r\n\r\n destroy() {\r\n this.removeListeners()\r\n return this\r\n }\r\n\r\n reload(options) {\r\n this.destroy().initialize(this.attr(options))\r\n return this\r\n }\r\n\r\n addListeners() {\r\n return this\r\n }\r\n\r\n removeListeners() {\r\n return this\r\n }\r\n}\r\n\r\nexport default Base\r\n","import hasOwn from './hasOwn'\r\n\r\n/**\r\n * 扩展对象\r\n * ========================================================================\r\n * @method extend\r\n * @param {Object} origin\r\n * @param {Object} source\r\n */\r\nconst extend = (origin, source) => {\r\n const keys = Object.keys(source)\r\n\r\n keys.forEach((prop) => {\r\n if (hasOwn(source, prop)) {\r\n origin[prop] = source[prop]\r\n }\r\n })\r\n}\r\n\r\nexport default extend\r\n","import isObject from './isObject'\r\n\r\n/**\r\n * 检测数据是否为 HTMLElement DOM 节点\r\n * ========================================================================\r\n * @method isElement\r\n * @param {*} o\r\n * @returns {boolean}\r\n */\r\nconst isElement = (o) => {\r\n return !!(isObject(o) && o.nodeName && o.tagName && o.nodeType === 1)\r\n}\r\n\r\nexport default isElement\r\n","/**\r\n * 返回给定值的平方值\r\n * ========================================================================\r\n * @method easeInQuad\r\n * @param {Number} x\r\n * @returns {number}\r\n */\r\nconst easeInQuad = (x) => {\r\n return x * x\r\n}\r\n\r\nexport default easeInQuad\r\n","import isString from '../types/isString'\r\nimport isElement from '../types/isElement'\r\n\r\n/**\r\n * 通过给的 scrollElement 参数，获取滚动 DOM 元素\r\n * ========================================================================\r\n * @method _getScrollElement\r\n * @param {String|HTMLElement} scrollElement\r\n * @returns {Element}\r\n * @private\r\n */\r\nconst _getScrollElement = (scrollElement = null) => {\r\n let $rootElements\r\n let $scrollElement\r\n\r\n if (!scrollElement) {\r\n $rootElements = document.querySelectorAll('html,body')\r\n $scrollElement =\r\n $rootElements[0].scrollTop - $rootElements[1].scrollTop >= 0\r\n ? $rootElements[0]\r\n : $rootElements[1]\r\n } else {\r\n if (isString(scrollElement)) {\r\n $scrollElement = document.querySelector(scrollElement)\r\n } else if (isElement(scrollElement)) {\r\n $scrollElement = scrollElement\r\n }\r\n }\r\n\r\n return $scrollElement\r\n}\r\n\r\nexport default _getScrollElement\r\n","/**\r\n * 获取 DOM 节点相对于窗口的 left （纵坐标）值\r\n * ========================================================================\r\n * @method offsetTop\r\n * @param {HTMLElement} el - DOM 节点\r\n * @returns {Number}\r\n */\r\nconst offsetTop = (el) => {\r\n let top = el.offsetTop\r\n\r\n if (el.offsetParent !== null) {\r\n top += offsetTop(el.offsetParent)\r\n }\r\n\r\n return top\r\n}\r\n\r\nexport default offsetTop\r\n","/**\r\n * 获取 options 节点下匹配 selector 选择器的 DOM 节点\r\n * ========================================================================\r\n * Element.matches() 方法可以用来判断 DOM 元素是否与给定的选择器匹配，事件代理判断是\r\n * 否触发绑定的代理事件回调函数，关键就是使用 Element.matches() 辨别当前事件触发的目\r\n * 标 DOM 元素是否为事件代理所期望触发的目标。\r\n * ========================================================================\r\n * @method matches\r\n * @see https://developer.mozilla.org/en-US/docs/web/api/element/matches\r\n * @param {HTMLElement} el - （必须）DOM 元素\r\n * @param {String} selector - （必须）匹配 DOM 元素的选择器\r\n * @returns {Boolean}\r\n */\r\nconst matches = (el, selector = '') => {\r\n const sel = selector.replace(/^>/i, '')\r\n\r\n if (!selector || !sel || !el) {\r\n return false\r\n }\r\n\r\n /* istanbul ignore else */\r\n if (el.matches) {\r\n return el.matches(sel)\r\n } else if (el.msMatchesSelector) {\r\n return el.msMatchesSelector(sel)\r\n } else {\r\n return false\r\n }\r\n}\r\n\r\nexport default matches\r\n","/**\r\n * 获取 DOM 元素的父节点\r\n * ========================================================================\r\n * @method getParentOrHost\r\n * @param {*|HTMLElement} el - （必须）要获取父节点的 DOM 元素\r\n * @returns {*|HTMLElement}\r\n */\r\nconst getParentOrHost = (el) => {\r\n return el.host && el !== document && el.host.nodeType\r\n ? el.host\r\n : el.parentNode\r\n}\r\n\r\nexport default getParentOrHost\r\n","export const CAPTURE_EVENTS = [\r\n 'focusout',\r\n 'blur',\r\n 'focusin',\r\n 'focus',\r\n 'load',\r\n 'unload',\r\n 'mouseenter',\r\n 'mouseleave'\r\n]\r\n","import { CAPTURE_EVENTS } from './enum'\r\nimport _delete from './_delete'\r\n\r\n/**\r\n * （私有方法）取消 type 类型的代理事件绑定\r\n * ========================================================================\r\n * 如果没有设置 handler，则销毁 this.$options 绑定的所有符合 type 事件类型的事件绑定\r\n * ========================================================================\r\n * @method _off\r\n * @param {HTMLElement} el - （必须）取消事件绑定的 DOM 元素\r\n * @param {String} type - （必须）事件类型\r\n * @param {Function} fn - （必须）事件处理器回调函数\r\n * @private\r\n */\r\nconst _off = (el, type, fn) => {\r\n const capture = CAPTURE_EVENTS.indexOf(type) > -1\r\n\r\n /* istanbul ignore else */\r\n if (fn._delegateListener) {\r\n fn = fn._delegateListener\r\n delete fn._delegateListener\r\n }\r\n\r\n // 移除缓存的 _listeners 数据\r\n _delete(el, type, fn)\r\n\r\n el.removeEventListener(type, fn, capture)\r\n}\r\n\r\nexport default _off\r\n","/**\r\n * 删除 DOM 元素缓存的 _listeners 数据\r\n * ========================================================================\r\n * @method _delete\r\n * @param {HTMLElement} el - 要删除 listener 的 DOM 元素\r\n * @param {String} type - 事件类型（名称）\r\n * @param {Function} [fn] - 事件处理器回调函数\r\n */\r\nconst _delete = function (el, type, fn) {\r\n const listeners = el._listeners\r\n let index = -1\r\n\r\n if (listeners.length < 1) {\r\n return false\r\n }\r\n\r\n // 移除缓存的 _listeners 数据\r\n listeners.forEach((listener, i) => {\r\n const handler = listener.fn\r\n\r\n if (type === listener.type) {\r\n index = i\r\n\r\n if (handler === fn) {\r\n index = i\r\n }\r\n }\r\n })\r\n\r\n /* istanbul ignore else */\r\n if (index > -1) {\r\n listeners.splice(index, 1)\r\n }\r\n}\r\n\r\nexport default _delete\r\n","import isString from '../types/isString'\r\nimport isElement from '../types/isElement'\r\nimport getListeners from './getListeners'\r\nimport _off from './_off'\r\n\r\n/**\r\n * 销毁（type 类型的）代理事件绑定\r\n * ========================================================================\r\n * 1. 设置了事件类型 type，则销毁指定类型的事件绑定，否则清除所有代理事件绑定\r\n * 2. recurse 设置为 true，递归销毁子节点全部事件绑定\r\n * ========================================================================\r\n * @method purgeElement\r\n * @param {HTMLElement|String} el - （必须）DOM 元素或者其选择器\r\n * @param {String|Boolean} type - （必须）事件类型\r\n * @param {Boolean} [recurse] - （可选）是否递归销毁子节点所有事件绑定\r\n */\r\nconst purgeElement = function (el, type, recurse = false) {\r\n const $element = isString(el) ? document.querySelector(el) : el\r\n const $children = $element.childNodes\r\n const listeners = getListeners($element, type)\r\n\r\n listeners.forEach((listener) => {\r\n _off($element, listener.type, listener.fn)\r\n })\r\n\r\n if (\r\n (recurse || type === true || arguments.length === 1) &&\r\n $element &&\r\n $children\r\n ) {\r\n $children.forEach(($child) => {\r\n if (isElement($child)) {\r\n purgeElement($child, type, recurse)\r\n }\r\n })\r\n }\r\n}\r\n\r\nexport default purgeElement\r\n","import isString from '../types/isString'\r\n\r\n/**\r\n * 获取 DOM 元素（type 事件类型）事件绑定信息\r\n * ========================================================================\r\n * 如果设置了事件类型 type， 则返回指定类型的事件绑定信息，否则返回所有事件绑定信息\r\n * ========================================================================\r\n * @methods getListeners\r\n * @param {HTMLElement} el - （必须）要获取事件绑定信息的 DOM 元素\r\n * @param {String} [type] - （可选）事件类型\r\n * @returns {Array} - 已绑定的事件信息\r\n */\r\nconst getListeners = (el, type) => {\r\n let listeners = el._listeners || []\r\n\r\n if (isString(type) && type) {\r\n listeners = listeners.filter((listener) => {\r\n return listener.type === type\r\n })\r\n }\r\n\r\n return listeners\r\n}\r\n\r\nexport default getListeners\r\n","import purgeElement from './purgeElement'\r\nimport isFunction from '../types/isFunction'\r\nimport _off from './_off'\r\n\r\n/**\r\n * 取消 type 类型的代理事件绑定\r\n * ========================================================================\r\n * 如果没有设置 handler，则销毁 this.$options 绑定的所有符合 type 事件类型的事件绑定\r\n * ========================================================================\r\n * @method off\r\n * @param {HTMLElement} el - （必须）取消事件绑定的 DOM 元素\r\n * @param {String} type - （必须）事件类型\r\n * @param {Function} [fn] - （可选）事件处理器回调函数\r\n */\r\nconst off = (el, type, fn) => {\r\n // 如果不设置 fn 参数，默认清除 el 元素上绑定的所有事件处理器\r\n if (!isFunction(fn)) {\r\n return purgeElement(el, type)\r\n }\r\n\r\n _off(el, type, fn)\r\n}\r\n\r\nexport default off\r\n","import closest from '../dom/closest'\r\nimport off from './off'\r\nimport getTarget from './getTarget'\r\n\r\nimport { CAPTURE_EVENTS } from './enum'\r\n\r\n/**\r\n * 绑定代理事件\r\n * ========================================================================\r\n * @method on\r\n * @param {HTMLElement|String|Object} el - （必须）绑定代理事件的 DOM 节点\r\n * @param {String} selector - （必须）事件代理目标 DOM 元素的选择器\r\n * @param {String|Function} type - （必须）事件类型或者事件处理器回调函数\r\n * @param {Function|Object} fn - （可选） 事件处理器回调函数或者传递给事件处理器回调函数的数据对象\r\n * @param {Object|Boolean} [data] - （可选）传递给事件处理器回调函数的数据对象或者事件处理器回调函数的 this 上下文指向，\r\n * @param {Object|Boolean} [context] - （可选）事件处理器回调函数的 this 上下文指向，或者是否仅触发一次\r\n * 当设置为 true 时，则事件处理器回调函数的 this 上下文指向为 data 对象\r\n * @param {Boolean} once - （可选）是否仅触发一次\r\n */\r\nconst on = (el, selector, type, fn, data, context, once = false) => {\r\n // CAPTURE_EVENTS 中的特殊事件，采用事件捕获模型\r\n const capture = CAPTURE_EVENTS.indexOf(type) > -1\r\n\r\n const listener = function (evt) {\r\n const target = getTarget(evt)\r\n // 通过 Element.matches 方法获得点击的目标元素\r\n const delegateTarget = closest(target, selector, el)\r\n let overrideContext = context || el\r\n\r\n evt.delegateTarget = delegateTarget\r\n\r\n // 当设置为 true 时，则事件处理器回调函数的\r\n // this 上下文指向为 data 对象\r\n if (context === true) {\r\n overrideContext = data\r\n }\r\n\r\n /* istanbul ignore else */\r\n if (delegateTarget) {\r\n // 仅触发一次\r\n /* istanbul ignore else */\r\n if (once === true) {\r\n off(el, type, listener)\r\n }\r\n\r\n fn.call(overrideContext, evt, data)\r\n }\r\n }\r\n\r\n if (!el._listeners) {\r\n el._listeners = []\r\n }\r\n\r\n // 缓存 options 元素绑定的事件处理器\r\n el._listeners.push({\r\n el,\r\n selector,\r\n type,\r\n fn: listener,\r\n data,\r\n context,\r\n capture\r\n })\r\n\r\n // 缓存包装后的事件处理器\r\n fn._delegateListener = listener\r\n\r\n el.addEventListener(type, listener, capture)\r\n}\r\n\r\nexport default on\r\n","import resolveTextNode from '../dom/resolveTextNode'\r\n\r\n/**\r\n * 返回触发事件的 target DOM 元素\r\n * ========================================================================\r\n * @method getTarget\r\n * @param {Event} evt - Event 对象\r\n * @return {HTMLElement} - Event 对象的 target DOM 元素\r\n */\r\nconst getTarget = function (evt) {\r\n const target = evt.target\r\n\r\n return resolveTextNode(target)\r\n}\r\n\r\nexport default getTarget\r\n","/**\r\n * 在某些情况下，某些浏览器（例如：Safari 浏览器）会返回实际的目标元素内部的文本节点。\r\n * resolveTextNode() 方法则会返回实际的目标节点。\r\n * ========================================================================\r\n * @method resolveTextNode\r\n * @param {HTMLElement|Text} el - 要解析的节点\r\n * @return {*|HTMLElement} - 实际的目标 DOM 节点\r\n */\r\nconst resolveTextNode = function (el) {\r\n if (el && el.nodeType === 3) {\r\n return el.parentNode\r\n }\r\n\r\n return el\r\n}\r\n\r\nexport default resolveTextNode\r\n","import matches from './matches'\r\nimport getParentOrHost from './getParentOrHost'\r\n\r\n/**\r\n * 获取 options 元素父元素最近的包含 selector 选择器的元素\r\n * ========================================================================\r\n * @method closest\r\n * @param {HTMLElement} el - （必须）DOM 元素\r\n * @param {String} selector - （必须）DOM 元素的选择其\r\n * @param {HTMLElement} [ctx] - （必须）比对的 DOM 元素\r\n * @param {Boolean} [includeCTX] - （必须）是否包含 context DOM 元素\r\n * @returns {null|HTMLElement} - 返回最接近的 DOM 元素\r\n */\r\nconst closest = (el, selector, ctx, includeCTX) => {\r\n const context = ctx || document\r\n\r\n if (!el) {\r\n return null\r\n }\r\n\r\n do {\r\n /* istanbul ignore else */\r\n if (\r\n (selector != null &&\r\n (selector[0] === '>'\r\n ? el.parentNode === context && matches(el, selector)\r\n : matches(el, selector))) ||\r\n (includeCTX && el === context)\r\n ) {\r\n return el\r\n }\r\n\r\n /* istanbul ignore else */\r\n if (el === context) {\r\n break\r\n }\r\n\r\n /* jshint boss:true */\r\n } while ((el = getParentOrHost(el)))\r\n}\r\n\r\nexport default closest\r\n","/**\r\n * 存储订阅者（主题和处理器的）私有对象\r\n * ========================================================================\r\n * @type {{}}\r\n * @private\r\n */\r\nconst _subscribers = {}\r\n\r\nexport default _subscribers\r\n","import _subscribers from './_subscribers'\r\nimport hasOwn from '../lang/hasOwn'\r\n\r\n/**\r\n * 判断是否存在与给定 topic 完全匹配的订阅者信息\r\n * ========================================================================\r\n * @method _hasDirectSubscribersFor\r\n * @param {String} topic - （必须）订阅主题字符串\r\n * @returns {Boolean}\r\n */\r\nconst _hasDirectSubscribersFor = (topic) => {\r\n return hasOwn(_subscribers, topic) && _subscribers[topic].length > 0\r\n}\r\n\r\nexport default _hasDirectSubscribersFor\r\n","import _hasDirectSubscribersFor from './_hasDirectSubscribersFor'\r\nimport _hasSubscribers from './_hasSubscribers'\r\n\r\n/**\r\n * 判断是否存在包含 topic 指定的订阅者信息\r\n * ========================================================================\r\n * @method has\r\n * @param {String} topic - （必须）主题名称\r\n * @param {Boolean} [isDirect] - （可选）是否为直接的主题，默认值：true\r\n * @returns {Boolean}\r\n */\r\nconst has = (topic, isDirect = true) => {\r\n return isDirect ? _hasDirectSubscribersFor(topic) : _hasSubscribers(topic)\r\n}\r\n\r\nexport default has\r\n","import _hasDirectSubscribersFor from './_hasDirectSubscribersFor'\r\n\r\n/**\r\n * 判断是否存在包含给定 topic 相关的订阅者信息\r\n * ========================================================================\r\n * @method _hasSubscribers\r\n * @param {String} topic - （必须）订阅主题字符串\r\n * @returns {Boolean}\r\n */\r\nconst _hasSubscribers = (topic) => {\r\n let found = _hasDirectSubscribersFor(topic)\r\n let position = topic.lastIndexOf('.')\r\n\r\n while (!found && position !== -1) {\r\n topic = topic.substring(0, position)\r\n position = topic.lastIndexOf('.')\r\n found = _hasDirectSubscribersFor(topic)\r\n }\r\n\r\n return found\r\n}\r\n\r\nexport default _hasSubscribers\r\n","import isTypedArray from '../types/isTypedArray'\r\nimport _subscribers from './_subscribers'\r\nimport has from './has'\r\nimport _hasDirectSubscribersFor from './_hasDirectSubscribersFor'\r\n\r\n/**\r\n * （异步）发布订阅主题信息\r\n * ========================================================================\r\n * 主题默认是异步发布的。确保在消费者处理主题时，主题的发起者不会被阻止。\r\n * ========================================================================\r\n * @method emit\r\n * @param {String} topic - （必须）主题名称\r\n * @param {Object} data - （必须）数据对象\r\n * @param {Boolean} async - (可选) 是否异步发布\r\n */\r\nconst emit = (topic, data, async = true) => {\r\n const execute = (topic) => {\r\n if (!_hasDirectSubscribersFor(topic)) {\r\n return false\r\n }\r\n\r\n _subscribers[topic].forEach((subscriber) => {\r\n // 针对 mqtt 消息服务返回的 Uint8Array 类似的 typed arrays 格式的数据\r\n // 采用 toString() 方法转化为普通（JSON）字符串\r\n const message = isTypedArray(data) ? data.toString() : data\r\n\r\n subscriber.callback.call(subscriber.context || subscriber, message)\r\n })\r\n }\r\n const deliver = () => {\r\n let subscriber = topic\r\n let position = topic.lastIndexOf('.')\r\n\r\n while (position !== -1) {\r\n subscriber = subscriber.substring(0, position)\r\n position = subscriber.lastIndexOf('.')\r\n\r\n execute(subscriber)\r\n }\r\n\r\n // 执行 topic 对应的处理器\r\n execute(topic)\r\n // 执行特殊 topic：'*'（监听全部消息的发布）\r\n execute('*')\r\n }\r\n\r\n if (!has(topic)) {\r\n return false\r\n }\r\n\r\n if (async) {\r\n setTimeout(deliver, 10)\r\n } else {\r\n deliver()\r\n }\r\n}\r\n\r\nexport default emit\r\n","import toString from '../lang/toString'\r\n/**\r\n * 判断检测数据是否为 Typed Arrays 类型的数据\r\n * ========================================================================\r\n * @param {*} val\r\n * @returns {boolean}\r\n */\r\nconst isTypedArray = (val) => {\r\n const TYPES = [\r\n '[object Int8Array]',\r\n '[object Uint8Array]',\r\n '[object Uint8ClampedArray]',\r\n '[object Int16Array]',\r\n '[object Uint16Array]',\r\n '[object Int32Array]',\r\n '[object Uint32Array]',\r\n '[object Float32Array]',\r\n '[object Float64Array]',\r\n '[object BigInt64Array]',\r\n '[object BigUint64Array]'\r\n ]\r\n\r\n return TYPES.indexOf(toString(val)) > -1\r\n}\r\n\r\nexport default isTypedArray\r\n","import toString from '../lang/toString'\r\n\r\n/**\r\n * 检测数据是否为 Array 类型\r\n * ========================================================================\r\n * @method isArray\r\n * @param {*} o\r\n * @returns {boolean}\r\n */\r\nconst isArray = (o) => {\r\n if (Array.isArray) {\r\n return Array.isArray(o)\r\n } else {\r\n return toString(o) === '[object Array]'\r\n }\r\n}\r\n\r\nexport default isArray\r\n","import isString from '../types/isString'\r\n\r\n/**\r\n * 清楚字符串起始位置所有的空格\r\n * ========================================================================\r\n * @method trim\r\n * @param {string} str\r\n * @returns {string|Boolean}\r\n */\r\nconst trim = (str) => {\r\n if (!isString(str)) {\r\n return false\r\n }\r\n return str.replace(/^\\s+|\\s+$/g, '')\r\n}\r\n\r\nexport default trim\r\n","import isObject from './isObject'\r\nimport isElement from './isElement'\r\nimport isHTMLCollection from './isHTMLCollection'\r\nimport isFragment from './isFragment'\r\nimport isTextNode from './isTextNode'\r\n\r\nconst isDOM = (el) => {\r\n return !!(\r\n isObject(el) &&\r\n (isElement(el) || isHTMLCollection(el) || isFragment(el) || isTextNode(el))\r\n )\r\n}\r\n\r\nexport default isDOM\r\n","import toString from '../lang/toString'\r\nimport isObject from './isObject'\r\n\r\nconst isHTMLCollection = (el) => {\r\n return !!(isObject(el) && toString(el) === '[object NodeList]')\r\n}\r\n\r\nexport default isHTMLCollection\r\n","import toString from '../lang/toString'\r\nimport isObject from './isObject'\r\n\r\nconst isFragment = (fragment) => {\r\n return !!(\r\n isObject(fragment) && toString(fragment) === '[object DocumentFragment]'\r\n )\r\n}\r\n\r\nexport default isFragment\r\n","import toString from '../lang/toString'\r\nimport isObject from './isObject'\r\n\r\nconst isTextNode = (el) => {\r\n return !!(\r\n isObject(el) &&\r\n (toString(el) === '[object Text]' || (el.tagName && el.nodeType === 3))\r\n )\r\n}\r\n\r\nexport default isTextNode\r\n","/**\r\n * 给 DOM 节点设置属性/值\r\n * ========================================================================\r\n * @method setAttribute\r\n * @param {HTMLElement} el - DOM 节点\r\n * @param {String} attr - 属性名称\r\n * @param {String|Number|Boolean} value - 属性值\r\n */\r\nconst setAttribute = (el, attr, value) => {\r\n let tagName = el.tagName.toLowerCase()\r\n\r\n switch (attr) {\r\n case 'style':\r\n el.style.cssText = value\r\n break\r\n case 'value':\r\n if (tagName === 'input' || tagName === 'textarea') {\r\n el.value = value\r\n } else {\r\n el.setAttribute(attr, value)\r\n }\r\n break\r\n case 'className':\r\n el.className = value\r\n break\r\n default:\r\n el.setAttribute(attr, value)\r\n break\r\n }\r\n}\r\n\r\nexport default setAttribute\r\n","import trim from './utils/lang/trim'\r\nimport createElement from './utils/dom/createElement'\r\nimport setAttribute from './utils/dom/setAttribute'\r\n\r\nimport { createSvgIcon } from './utils/icons'\r\n\r\nconst _updateHeading = ($heading, i, options) => {\r\n const CLS_HEADING = 'outline-heading'\r\n const hasAnchor = options.hasAnchor || true\r\n const isAtStart = options.isAtStart || true\r\n const showCode = options.showCode || false\r\n const chapterCode = options.chapterCode || ''\r\n const anchorURL = options.anchorURL || ''\r\n const headingId = `heading-${i}`\r\n const attrs = {\r\n id: headingId,\r\n className: isAtStart ? `${CLS_HEADING} ${CLS_HEADING}_start` : CLS_HEADING,\r\n 'data-id': i\r\n }\r\n const keys = Object.keys(attrs)\r\n const text = trim($heading.innerHTML)\r\n let $anchor\r\n let $icon\r\n\r\n keys.forEach((prop) => {\r\n setAttribute($heading, prop, attrs[prop])\r\n })\r\n\r\n if (showCode) {\r\n $heading.innerHTML = chapterCode + ' ' + text\r\n }\r\n\r\n if (!hasAnchor) {\r\n return false\r\n }\r\n\r\n $icon = createSvgIcon('hash')\r\n $anchor = createElement(\r\n 'a',\r\n {\r\n id: `anchor-${i}`,\r\n className: `${CLS_HEADING}__anchor anchor-${i}`,\r\n href: anchorURL ? anchorURL : `#${headingId}`,\r\n target: anchorURL ? '_blank' : 'self',\r\n 'data-id': i\r\n },\r\n [$icon]\r\n )\r\n $heading.appendChild($anchor)\r\n}\r\n\r\nexport default _updateHeading\r\n","import isArray from './types/isArray'\r\n\r\n/**\r\n * 绘制 SVG Sprites 图标集\r\n * ========================================================================\r\n * @method paintSvgSprites\r\n * @param {Array} [symbols] - （可选）symbols 图标数组\r\n * 传递 symbols - 绘制 symbols + SYMBOLS 的图标集\r\n * 不传递 symbols - 仅绘制默认 SYMBOLS 图标集\r\n */\r\nexport const paintSvgSprites = (symbols = []) => {\r\n const SYMBOLS = [\r\n '',\r\n '',\r\n '',\r\n '',\r\n '',\r\n '',\r\n '',\r\n ''\r\n ]\r\n const sprites =\r\n isArray(symbols) && symbols.length > 0 ? SYMBOLS.concat(symbols) : SYMBOLS\r\n const $body = document.body\r\n let $icons = document.querySelector('#svg-sprites')\r\n\r\n if ($icons) {\r\n $icons.innerHTML = sprites.join('')\r\n } else {\r\n $icons = document.createElement('div')\r\n $icons.innerHTML =\r\n ``\r\n $body.insertBefore($icons.firstChild, $body.firstChild)\r\n }\r\n}\r\n\r\n/**\r\n * 创建 SVG 图标 DOM 元素\r\n * ========================================================================\r\n * @method createSvgIcon\r\n * @param {String} name\r\n * @param {Number|String|Array} [size]\r\n * @param {String} [color]\r\n * @param {String} [iconSet]\r\n * @returns {HTMLElement}\r\n */\r\nexport const createSvgIcon = (\r\n name,\r\n size = 0,\r\n color = '',\r\n iconSet = 'outline'\r\n) => {\r\n const binds = iconSet\r\n ? `xlink:href=\"#${iconSet}-icon-${name}\"`\r\n : `xlink:href=\"#icon-${name}\"`\r\n const width = isArray(size) ? size[0] : size\r\n const height = isArray(size) ? size[1] : size\r\n const defaultRules = size ? `width:${width}px;height:${height}px;` : ''\r\n const cssRules = color ? defaultRules + `color:${color}` : defaultRules\r\n const svg =\r\n `` +\r\n `` +\r\n ``\r\n const $icon = document.createElement('i')\r\n\r\n $icon.className = 'outline-icon'\r\n $icon.innerHTML = svg\r\n\r\n return $icon\r\n}\r\n","import hasOwn from '../lang/hasOwn'\r\nimport isObject from '../types/isObject'\r\nimport isString from '../types/isString'\r\nimport isArray from '../types/isArray'\r\nimport isDOM from '../types/isDOM'\r\nimport setAttribute from './setAttribute'\r\n\r\n/**\r\n * 创建 DOM 节点，并添加属性和子节点\r\n * ========================================================================\r\n * @method createElement\r\n * @param {String} tagName - 标签名称\r\n * @param {Object|Array} attrs - 属性对象或者子节点\r\n * @param {Array} [children] - 子节点数组\r\n * @returns {HTMLElement}\r\n */\r\nconst createElement = (tagName, attrs, children) => {\r\n const $fragment = document.createDocumentFragment()\r\n const $el = document.createElement(tagName)\r\n const isValidChild = (child) => {\r\n return isDOM(child) || isString(child)\r\n }\r\n const append = (child) => {\r\n let $child\r\n\r\n if (!isValidChild(child)) {\r\n return false\r\n }\r\n\r\n if (isDOM(child)) {\r\n $child = child\r\n } else if (isString(child)) {\r\n $child = document.createTextNode(child)\r\n }\r\n\r\n $fragment.appendChild($child)\r\n }\r\n\r\n if (isObject(attrs)) {\r\n Object.keys(attrs).forEach((attr) => {\r\n if (hasOwn(attrs, attr)) {\r\n setAttribute($el, attr, attrs[attr])\r\n }\r\n })\r\n } else if (isArray(attrs) && attrs.every((attr) => isValidChild(attr))) {\r\n attrs.forEach((child) => {\r\n append(child)\r\n })\r\n }\r\n\r\n if (isArray(children)) {\r\n children.forEach((child) => {\r\n append(child)\r\n })\r\n } else {\r\n append(children)\r\n }\r\n\r\n $el.appendChild($fragment)\r\n\r\n return $el\r\n}\r\n\r\nexport default createElement\r\n","import trim from '../lang/trim'\r\nimport hasClass from './hasClass'\r\n\r\n/**\r\n * 移除 DOM 节点的 className 样式\r\n * ========================================================================\r\n * @method removeClass\r\n * @param {HTMLElement} el - DOM 节点\r\n * @param {String} className - 样式名称\r\n * @returns {Boolean}\r\n */\r\nconst removeClass = (el, className) => {\r\n let allClass = el.className\r\n let classList\r\n\r\n if (!allClass || !hasClass(el, className)) {\r\n return false\r\n }\r\n\r\n classList = el.classList\r\n\r\n if (classList?.remove) {\r\n classList.remove(className)\r\n } else {\r\n allClass = trim(allClass.replace(className, ''))\r\n el.className = allClass\r\n }\r\n}\r\n\r\nexport default removeClass\r\n","import isElement from '../types/isElement'\r\n/**\r\n * 检测 DOM 节点是否包含名为 className 的样式\r\n * ========================================================================\r\n * @method hasClass\r\n * @param {HTMLElement} el - DOM 节点\r\n * @param {String} className - 样式名称\r\n * @returns {Boolean}\r\n */\r\nconst hasClass = (el, className) => {\r\n const pattern = new RegExp('(\\\\s|^)' + className + '(\\\\s|$)')\r\n let allClass\r\n let classList\r\n\r\n if (!isElement(el)) {\r\n return false\r\n }\r\n\r\n allClass = el.className\r\n\r\n if (!allClass) {\r\n return false\r\n }\r\n\r\n classList = el.classList\r\n\r\n if (classList?.contains) {\r\n return el.classList.contains(className)\r\n }\r\n\r\n return !!allClass.match(pattern)\r\n}\r\n\r\nexport default hasClass\r\n","import removeClass from './utils/dom/removeClass'\r\nimport isEmpty from './utils/types/isEmpty'\r\nimport trim from './utils/lang/trim'\r\n\r\nconst _resetHeading = ($heading, hasAnchor = true, isAtStart = true) => {\r\n const CLS_HEADING = 'outline-heading'\r\n const text = $heading.innerHTML\r\n let $anchor\r\n\r\n $heading.innerHTML = text.replace(/^\\d+(?:(\\.?\\d*)*\\s?)?/gi, '')\r\n $heading.removeAttribute('id')\r\n $heading.removeAttribute('data-id')\r\n\r\n removeClass($heading, CLS_HEADING)\r\n\r\n if (!hasAnchor) {\r\n return false\r\n }\r\n\r\n $anchor = $heading.querySelector(`.${CLS_HEADING}__anchor`)\r\n\r\n if (isAtStart) {\r\n removeClass($heading, `${CLS_HEADING}_start`)\r\n }\r\n\r\n if (isEmpty(trim($heading.className))) {\r\n $heading.removeAttribute('class')\r\n }\r\n\r\n $heading.removeChild($anchor)\r\n}\r\n\r\nexport default _resetHeading\r\n","import isString from './isString'\r\n/**\r\n * 检测数据是否为空字符串\r\n * ========================================================================\r\n * @method isEmpty\r\n * @param {String} str\r\n * @returns {boolean}\r\n */\r\nconst isEmpty = (str) => {\r\n return isString(str) && str === ''\r\n}\r\n\r\nexport default isEmpty\r\n","import trim from './utils/lang/trim'\r\nimport stripTags from './utils/lang/stripTags'\r\n\r\nimport _getChaptersWithCode from './_getChaptersWithCode'\r\nimport _getChapterParentIdByDiffer from './_getChapterParentIdByDiffer'\r\n\r\nconst getChapters = (headings, showCode = true) => {\r\n const chapters = []\r\n let previous = 1\r\n let level = 0\r\n\r\n headings.forEach((heading, i) => {\r\n const headingLevel = heading.tagName.replace(/h/i, '')\r\n let current = parseInt(headingLevel, 10)\r\n let pid = -1\r\n\r\n // 当前标题的（标题标签）序号 > 前一个标题的序号：两个相连的标题是父标题 -> 子标题关系；\r\n // h2 （前一个标题）\r\n // h3 （当前标题）\r\n if (current > previous) {\r\n level += 1\r\n\r\n // 第一层级的 pid 是 -1\r\n if (level === 1) {\r\n pid = -1\r\n } else {\r\n pid = i - 1\r\n }\r\n }\r\n // 当前标题的（标题标签）序号 = 前一个标题的序号\r\n // h2 （前一个标题）\r\n // h2 （当前标题）\r\n // 当前标题的（标题标签）序号 < 前一个标题的序号，并且当前标题序号 > 当前的级别\r\n // h2\r\n // h4 （前一个标题）\r\n // h3 （当前标题：这种情况我们还是任务 h3 是 h2 的下一级章节）\r\n else if (current === previous || (current < previous && current > level)) {\r\n // H1 的层级肯定是 1\r\n if (current === 1) {\r\n level = 1\r\n pid = -1\r\n } else {\r\n pid = chapters[i - 1].pid\r\n }\r\n } else if (current <= level) {\r\n // H1 的层级肯定是 1\r\n if (current === 1) {\r\n level = 1\r\n } else {\r\n level = level - (previous - current)\r\n\r\n if (level <= 1) {\r\n level = 1\r\n }\r\n }\r\n\r\n // 第一级的标题\r\n if (level === 1) {\r\n pid = -1\r\n } else {\r\n // 通过当前标题和前一个标题之间的等级差，获得当前标题的父标题ID\r\n pid = _getChapterParentIdByDiffer(chapters, previous - current, i)\r\n }\r\n }\r\n\r\n previous = current\r\n\r\n chapters.push({\r\n id: i,\r\n pid: pid,\r\n level: level,\r\n rel: `heading-${i}`,\r\n text: stripTags(trim(heading.innerHTML))\r\n })\r\n })\r\n\r\n return showCode ? _getChaptersWithCode(chapters) : chapters\r\n}\r\n\r\nexport default getChapters\r\n","import isString from '../types/isString'\r\n\r\n/**\r\n * 过滤所有 HTML 标签\r\n * ========================================================================\r\n * @method stripTags\r\n * @param {string} str\r\n * @returns {string}\r\n */\r\nconst stripTags = (str) => {\r\n if (!isString(str)) {\r\n return ''\r\n }\r\n return str.replace(/<\\/?[^>]+(>|$)/g, '')\r\n}\r\n\r\nexport default stripTags\r\n","const _getChapterParentIdByDiffer = (chapters, differ, index) => {\r\n let previous = chapters[index - 1]\r\n let pid\r\n let i\r\n\r\n for (i = 0; i < differ; i += 1) {\r\n pid = previous.pid\r\n previous = chapters[pid]\r\n }\r\n\r\n pid = previous.pid\r\n\r\n return pid\r\n}\r\n\r\nexport default _getChapterParentIdByDiffer\r\n","const _getChaptersWithCode = (chapters) => {\r\n const groups = {}\r\n const cb = (o) => {\r\n return [o.pid]\r\n }\r\n\r\n chapters.forEach((o) => {\r\n const group = JSON.stringify(cb(o))\r\n\r\n groups[group] = groups[group] || []\r\n groups[group].push(o)\r\n\r\n o.index = groups[group].length\r\n if (o.pid === -1) {\r\n o.code = String(o.index)\r\n }\r\n })\r\n\r\n Object.keys(groups).forEach((group) => {\r\n groups[group].forEach((c, i) => {\r\n c.index = i + 1\r\n chapters.forEach((o) => {\r\n if (o.pid === c.id) {\r\n o.code = c.code + '.' + o.index\r\n }\r\n })\r\n })\r\n })\r\n\r\n return chapters\r\n}\r\n\r\nexport default _getChaptersWithCode\r\n","import Base from './base'\r\n\r\n// 在文章的标题生成 anchor 链接\r\nimport isString from './utils/types/isString'\r\nimport isFunction from './utils/types/isFunction'\r\nimport isElement from './utils/types/isElement'\r\nimport toTree from './utils/lang/toTree'\r\nimport later from './utils/lang/later'\r\nimport scrollTo from './utils/dom/scrollTo'\r\nimport _getScrollElement from './utils/dom/_getScrollElement'\r\nimport offsetTop from './utils/dom/offsetTop'\r\nimport on from './utils/event/on'\r\nimport off from './utils/event/off'\r\nimport stop from './utils/event/stop'\r\nimport publish from './utils/observer/emit'\r\nimport { paintSvgSprites } from './utils/icons'\r\n\r\nimport _updateHeading from './_updateHeading'\r\nimport _resetHeading from './_resetHeading'\r\nimport getChapters from './getChapters'\r\n\r\nclass Anchors extends Base {\r\n constructor(options) {\r\n super()\r\n\r\n this.attrs = Anchors.DEFAULTS\r\n this.$articleElement = null\r\n this.$scrollElement = null\r\n this.$headings = []\r\n\r\n this.chapters = []\r\n\r\n if (options) {\r\n this.initialize(options)\r\n }\r\n }\r\n\r\n initialize(options) {\r\n let created\r\n let scrollElement\r\n let selector\r\n let $articleElement\r\n let articleElement\r\n\r\n this.attr(options)\r\n articleElement = this.attr('articleElement')\r\n scrollElement = this.attr('scrollElement')\r\n selector = this.attr('selector')\r\n created = this.attr('created')\r\n\r\n if (isString(articleElement)) {\r\n $articleElement = document.querySelector(articleElement)\r\n } else if (isElement(articleElement)) {\r\n $articleElement = articleElement\r\n }\r\n\r\n if (!$articleElement) {\r\n return this\r\n }\r\n\r\n this.$articleElement = $articleElement\r\n this.$scrollElement = _getScrollElement(scrollElement)\r\n this.$headings = [...$articleElement.querySelectorAll(selector)]\r\n\r\n if (this.$headings.length < 1) {\r\n return this\r\n }\r\n\r\n this.chapters = getChapters(this.$headings)\r\n\r\n if (isFunction(created)) {\r\n created.call(this)\r\n }\r\n\r\n this.render().addListeners()\r\n\r\n return this\r\n }\r\n\r\n getChapters(isTreeStructured = false) {\r\n const chapters = this.chapters\r\n return isTreeStructured ? toTree(chapters, 'id', 'pid') : chapters\r\n }\r\n\r\n count() {\r\n return this.chapters.length\r\n }\r\n\r\n render() {\r\n const mounted = this.attr('mounted')\r\n const hasAnchor = this.attr('hasAnchor')\r\n const isAtStart = this.attr('isAtStart')\r\n const showCode = this.attr('showCode')\r\n const anchorURL = this.attr('anchorURL')\r\n const $headings = this.$headings\r\n const chapters = this.getChapters()\r\n\r\n paintSvgSprites()\r\n\r\n $headings.forEach(($heading, i) => {\r\n const chapterCode = chapters[i].code\r\n _updateHeading($heading, i, {\r\n hasAnchor,\r\n isAtStart,\r\n showCode,\r\n chapterCode,\r\n anchorURL\r\n })\r\n })\r\n\r\n if (isFunction(mounted)) {\r\n mounted.call(this)\r\n }\r\n\r\n return this\r\n }\r\n\r\n scrollTo(top, after) {\r\n const el = this.$scrollElement\r\n\r\n scrollTo(el, top, after)\r\n\r\n return this\r\n }\r\n\r\n destroy() {\r\n const hasAnchor = this.attr('hasAnchor')\r\n const isAtStart = this.attr('isAtStart')\r\n const beforeDestroy = this.attr('beforeDestroy')\r\n const afterDestroy = this.attr('afterDestroy')\r\n const $headings = this.$headings\r\n\r\n if (isFunction(beforeDestroy)) {\r\n beforeDestroy.call(this)\r\n }\r\n\r\n this.removeListeners()\r\n $headings.forEach(($heading) => {\r\n _resetHeading($heading, hasAnchor, isAtStart)\r\n })\r\n\r\n this.attr(Anchors.DEFAULTS)\r\n this.$articleElement = null\r\n this.$scrollElement = null\r\n this.$headings = []\r\n this.chapters = []\r\n\r\n if (isFunction(afterDestroy)) {\r\n afterDestroy.call(this)\r\n }\r\n\r\n return this\r\n }\r\n\r\n onAnchorTrigger(evt) {\r\n const anchorURL = this.attr('anchorURL')\r\n const afterScroll = this.attr('afterScroll')\r\n const stickyHeight = this.attr('stickyHeight')\r\n const $anchor = evt.delegateTarget\r\n const $heading = $anchor.parentNode\r\n const top = offsetTop($heading) - (stickyHeight + 10)\r\n const $scrollElement = this.$scrollElement\r\n const min = 0\r\n const max = $scrollElement.scrollHeight - $scrollElement.clientHeight\r\n const after = () => {\r\n if (isFunction(afterScroll)) {\r\n afterScroll.call(this)\r\n }\r\n\r\n later(() => {\r\n publish('toolbar:update', {\r\n top,\r\n min,\r\n max\r\n })\r\n })\r\n }\r\n\r\n this.scrollTo(top, after)\r\n\r\n if (!anchorURL) {\r\n stop(evt)\r\n }\r\n\r\n return this\r\n }\r\n\r\n addListeners() {\r\n const $articleElement = this.$articleElement\r\n\r\n on(\r\n $articleElement,\r\n '.outline-heading__anchor',\r\n 'click',\r\n this.onAnchorTrigger,\r\n this,\r\n true\r\n )\r\n\r\n return this\r\n }\r\n\r\n removeListeners() {\r\n const $articleElement = this.$articleElement\r\n\r\n off($articleElement, 'click', this.onAnchorTrigger)\r\n\r\n return this\r\n }\r\n}\r\n\r\nAnchors.DEFAULTS = {\r\n scrollElement: 'html,body',\r\n articleElement: '#article',\r\n selector: 'h1,h2,h3,h4,h5,h6',\r\n stickyHeight: 0,\r\n anchorURL: '',\r\n hasAnchor: true,\r\n isAtStart: true,\r\n showCode: false,\r\n created: null,\r\n mounted: null,\r\n afterScroll: null,\r\n beforeDestroy: null,\r\n afterDestroy: null\r\n}\r\n\r\nexport default Anchors\r\n","const toTree = (list, nodeKey, parentKey) => {\r\n const map = {}\r\n const roots = []\r\n\r\n list.forEach((item, i) => {\r\n // initialize the map\r\n map[item[nodeKey]] = i\r\n // initialize the children\r\n item.children = []\r\n })\r\n\r\n list.forEach((item) => {\r\n const node = list[map[item[parentKey]]]\r\n\r\n if (item[parentKey] !== -1) {\r\n // if you have dangling branches check that map[node.parentId] exists\r\n node.children.push(item)\r\n } else {\r\n roots.push(item)\r\n }\r\n })\r\n\r\n return roots\r\n}\r\n\r\nexport default toTree\r\n","import easeInQuad from '../lang/easeInQuad'\r\nimport isFunction from '../types/isFunction'\r\nimport _getScrollElement from './_getScrollElement'\r\n\r\n/**\r\n * 指定 rootElement DOM 节点滚动到指定 top 位置\r\n * ========================================================================\r\n * @method scrollTo\r\n * @param {HTMLElement|Object} [scrollElement] - （必须）要滚动的 DOM 节点\r\n * @param {Number} top - （必须）滚动的 scrollTop 数值\r\n * @param {Function} [afterStop] - （可选）滚动完成的回调函数\r\n */\r\nconst scrollTo = (scrollElement, top, afterStop) => {\r\n const $scrollElement = _getScrollElement(scrollElement)\r\n let scrollTop = $scrollElement.scrollTop\r\n let step = 0\r\n const distance = top - scrollTop\r\n const MAX_HEIGHT = $scrollElement.scrollHeight\r\n const MAX_TOP = top - MAX_HEIGHT <= 0 ? top : MAX_HEIGHT\r\n const stop = (top) => {\r\n if (isFunction(afterStop)) {\r\n afterStop(top)\r\n }\r\n\r\n return false\r\n }\r\n const play = () => {\r\n step += 1\r\n\r\n // 向上滚动\r\n if (distance < 0) {\r\n scrollTop -= easeInQuad(step)\r\n $scrollElement.scrollTop = scrollTop\r\n\r\n if (scrollTop <= top) {\r\n $scrollElement.scrollTop = top\r\n return stop(top)\r\n }\r\n } else {\r\n scrollTop += easeInQuad(step)\r\n $scrollElement.scrollTop = scrollTop\r\n\r\n if (scrollTop >= MAX_TOP) {\r\n $scrollElement.scrollTop = MAX_TOP\r\n return stop(MAX_TOP)\r\n }\r\n }\r\n\r\n requestAnimationFrame(play)\r\n }\r\n\r\n requestAnimationFrame(play)\r\n}\r\n\r\nexport default scrollTo\r\n","import isFunction from '../types/isFunction'\r\n\r\n/**\r\n * later - 延迟执行方法\r\n * ========================================================================\r\n * @method later\r\n * @param {Function} fn\r\n * @param {Number} [delay]\r\n * @returns {number|boolean}\r\n */\r\nconst later = (fn, delay = 300) => {\r\n if (!isFunction(fn)) {\r\n return false\r\n }\r\n\r\n return setTimeout(() => {\r\n fn()\r\n }, delay)\r\n}\r\n\r\nexport default later\r\n","/**\r\n * 停止事件（阻止默认行为和阻止事件的捕获或冒泡）\r\n * ========================================================================\r\n * @method stop\r\n * @param {Event} evt - 事件对象\r\n *\r\n * @example\r\n *
\r\n * Service\r\n * Help\r\n *
\r\n *\r\n * const $nav = document.querySelector('#nav')\r\n * const $service = document.querySelector('.anchor')\r\n *\r\n * on($nav, 'click', function(evt) {\r\n * console.log('你点击了导航栏')\r\n * })\r\n *\r\n * on($anchor, 'click', function(evt) {\r\n * console.log('tagName', this.tagName)\r\n *\r\n * // 工作台输出：'a'\r\n * // 不会触发事件冒泡，输出：'你点击了导航栏'\r\n * // 也不会切换到 href 属性的页面，阻止了点击链接的默认行为\r\n * stopEvent(evt)\r\n * })\r\n */\r\nconst stop = function (evt) {\r\n evt.stopPropagation()\r\n evt.preventDefault()\r\n}\r\n\r\nexport default 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\ No newline at end of file +{"version":3,"file":"anchors.min.js","sources":["src/utils/types/isString.js","src/utils/lang/hasOwn.js","src/utils/lang/toString.js","src/utils/types/isFunction.js","src/utils/types/isObject.js","src/base.js","src/utils/lang/extend.js","src/utils/types/isElement.js","src/utils/lang/easeInQuad.js","src/utils/dom/_getScrollElement.js","src/utils/dom/offsetTop.js","src/utils/dom/matches.js","src/utils/dom/getParentOrHost.js","src/utils/event/enum.js","src/utils/event/_off.js","src/utils/event/_delete.js","src/utils/event/purgeElement.js","src/utils/event/getListeners.js","src/utils/event/off.js","src/utils/event/on.js","src/utils/event/getTarget.js","src/utils/dom/resolveTextNode.js","src/utils/dom/closest.js","src/utils/observer/_subscribers.js","src/utils/observer/_hasDirectSubscribersFor.js","src/utils/observer/has.js","src/utils/observer/_hasSubscribers.js","src/utils/observer/emit.js","src/utils/types/isTypedArray.js","src/utils/types/isArray.js","src/utils/lang/trim.js","src/utils/types/isDOM.js","src/utils/types/isHTMLCollection.js","src/utils/types/isFragment.js","src/utils/types/isTextNode.js","src/utils/dom/setAttribute.js","src/_updateHeading.js","src/utils/icons.js","src/utils/dom/createElement.js","src/utils/dom/removeClass.js","src/utils/dom/hasClass.js","src/_resetHeading.js","src/utils/types/isEmpty.js","src/getChapters.js","src/utils/lang/stripTags.js","src/_getChapterParentIdByDiffer.js","src/_getChaptersWithCode.js","src/anchors.js","src/utils/lang/toTree.js","src/utils/dom/scrollTo.js","src/utils/lang/later.js","src/utils/event/stop.js"],"sourcesContent":["/**\r\n * 检测数据是否为 String 类型\r\n * ========================================================================\r\n * @method isArray\r\n * @param {*} str\r\n * @returns {boolean}\r\n */\r\nconst isString = (str) => {\r\n return typeof str === 'string'\r\n}\r\n\r\nexport default isString\r\n","/**\r\n * 检测对象自身属性中是否具有指定的属性。\r\n * ========================================================================\r\n * @method hasOwn\r\n * @param {Object} obj - （必须）检测的目标对象\r\n * @param {String} prop - （必须）属性名\r\n * @returns {Boolean}\r\n */\r\nconst hasOwn = (obj, prop) => {\r\n const hasOwnProperty = Object.prototype.hasOwnProperty\r\n return obj && hasOwnProperty.call(obj, prop)\r\n}\r\n\r\nexport default hasOwn\r\n","/**\r\n * Object 对象原型上的 toString 方法\r\n * ========================================================================\r\n * @method toString\r\n * @param {*} val\r\n * @returns {string}\r\n */\r\nconst toString = (val) => {\r\n return Object.prototype.toString.apply(val)\r\n}\r\n\r\nexport default toString\r\n","import toString from '../lang/toString'\r\n\r\n/**\r\n * 检测测试数据是否为 Function 类型\r\n * ========================================================================\r\n * @method isFunction\r\n * @param {*} val - （必须）待检测的数据\r\n * @returns {boolean} 'val' 是 Function 类型返回 true，否则返回 false\r\n */\r\nconst isFunction = (val) => {\r\n return typeof val === 'function' || toString(val) === '[object Function]'\r\n}\r\n\r\nexport default isFunction\r\n","import toString from '../lang/toString'\r\nimport isFunction from '../types/isFunction'\r\n\r\n/**\r\n * 检测数据是否为 Object 类型\r\n * ========================================================================\r\n * @method isObject\r\n * @param {*} o\r\n * @returns {boolean}\r\n */\r\nconst isObject = (o) => {\r\n return (\r\n (toString(o) === '[object Object]' ||\r\n typeof o === 'object' ||\r\n isFunction(o)) &&\r\n o !== null\r\n )\r\n}\r\n\r\nexport default isObject\r\n","import isString from './utils/types/isString'\r\nimport hasOwn from './utils/lang/hasOwn'\r\nimport isObject from './utils/types/isObject'\r\nimport extend from './utils/lang/extend'\r\n\r\nclass Base {\r\n constructor(options) {\r\n this.attrs = {}\r\n\r\n if (options) {\r\n this.initialize(options)\r\n }\r\n }\r\n\r\n initialize(options) {\r\n this.attr(options).render().addListeners()\r\n return this\r\n }\r\n\r\n attr(prop, value) {\r\n const attrs = this.attrs\r\n\r\n if (isString(prop)) {\r\n // 只能扩展 attrs 中已有的属性\r\n if (value && hasOwn(attrs, prop)) {\r\n // 更新单个配置信息\r\n attrs[prop] = value\r\n return this\r\n }\r\n\r\n // 只传递 prop 参数，则返回对应的属性值\r\n return attrs[prop]\r\n } else if (isObject(prop)) {\r\n // 批量更新配置信息\r\n extend(attrs, prop)\r\n\r\n return this\r\n } else if (arguments.length === 0) {\r\n // 不传递参数，直接返回整个\r\n return attrs\r\n }\r\n\r\n return this\r\n }\r\n\r\n render() {\r\n return this\r\n }\r\n\r\n destroy() {\r\n this.removeListeners()\r\n return this\r\n }\r\n\r\n reload(options) {\r\n this.destroy().initialize(this.attr(options))\r\n return this\r\n }\r\n\r\n addListeners() {\r\n return this\r\n }\r\n\r\n removeListeners() {\r\n return this\r\n }\r\n}\r\n\r\nexport default Base\r\n","import hasOwn from './hasOwn'\r\n\r\n/**\r\n * 扩展对象\r\n * ========================================================================\r\n * @method extend\r\n * @param {Object} origin\r\n * @param {Object} source\r\n */\r\nconst extend = (origin, source) => {\r\n const keys = Object.keys(source)\r\n\r\n keys.forEach((prop) => {\r\n if (hasOwn(source, prop)) {\r\n origin[prop] = source[prop]\r\n }\r\n })\r\n}\r\n\r\nexport default extend\r\n","import isObject from './isObject'\r\n\r\n/**\r\n * 检测数据是否为 HTMLElement DOM 节点\r\n * ========================================================================\r\n * @method isElement\r\n * @param {*} o\r\n * @returns {boolean}\r\n */\r\nconst isElement = (o) => {\r\n return !!(isObject(o) && o.nodeName && o.tagName && o.nodeType === 1)\r\n}\r\n\r\nexport default isElement\r\n","/**\r\n * 返回给定值的平方值\r\n * ========================================================================\r\n * @method easeInQuad\r\n * @param {Number} x\r\n * @returns {number}\r\n */\r\nconst easeInQuad = (x) => {\r\n return x * x\r\n}\r\n\r\nexport default easeInQuad\r\n","import isString from '../types/isString'\r\nimport isElement from '../types/isElement'\r\n\r\n/**\r\n * 通过给的 scrollElement 参数，获取滚动 DOM 元素\r\n * ========================================================================\r\n * @method _getScrollElement\r\n * @param {String|HTMLElement} scrollElement\r\n * @returns {Element}\r\n * @private\r\n */\r\nconst _getScrollElement = (scrollElement = null) => {\r\n let $rootElements\r\n let $scrollElement\r\n\r\n if (!scrollElement) {\r\n $rootElements = document.querySelectorAll('html,body')\r\n $scrollElement =\r\n $rootElements[0].scrollTop - $rootElements[1].scrollTop >= 0\r\n ? $rootElements[0]\r\n : $rootElements[1]\r\n } else {\r\n if (isString(scrollElement)) {\r\n $scrollElement = document.querySelector(scrollElement)\r\n } else if (isElement(scrollElement)) {\r\n $scrollElement = scrollElement\r\n }\r\n }\r\n\r\n return $scrollElement\r\n}\r\n\r\nexport default _getScrollElement\r\n","/**\r\n * 获取 DOM 节点相对于窗口的 left （纵坐标）值\r\n * ========================================================================\r\n * @method offsetTop\r\n * @param {HTMLElement} el - DOM 节点\r\n * @returns {Number}\r\n */\r\nconst offsetTop = (el) => {\r\n let top = el.offsetTop\r\n\r\n if (el.offsetParent !== null) {\r\n top += offsetTop(el.offsetParent)\r\n }\r\n\r\n return top\r\n}\r\n\r\nexport default offsetTop\r\n","/**\r\n * 获取 options 节点下匹配 selector 选择器的 DOM 节点\r\n * ========================================================================\r\n * Element.matches() 方法可以用来判断 DOM 元素是否与给定的选择器匹配，事件代理判断是\r\n * 否触发绑定的代理事件回调函数，关键就是使用 Element.matches() 辨别当前事件触发的目\r\n * 标 DOM 元素是否为事件代理所期望触发的目标。\r\n * ========================================================================\r\n * @method matches\r\n * @see https://developer.mozilla.org/en-US/docs/web/api/element/matches\r\n * @param {HTMLElement} el - （必须）DOM 元素\r\n * @param {String} selector - （必须）匹配 DOM 元素的选择器\r\n * @returns {Boolean}\r\n */\r\nconst matches = (el, selector = '') => {\r\n const sel = selector.replace(/^>/i, '')\r\n\r\n if (!selector || !sel || !el) {\r\n return false\r\n }\r\n\r\n /* istanbul ignore else */\r\n if (el.matches) {\r\n return el.matches(sel)\r\n } else if (el.msMatchesSelector) {\r\n return el.msMatchesSelector(sel)\r\n } else {\r\n return false\r\n }\r\n}\r\n\r\nexport default matches\r\n","/**\r\n * 获取 DOM 元素的父节点\r\n * ========================================================================\r\n * @method getParentOrHost\r\n * @param {*|HTMLElement} el - （必须）要获取父节点的 DOM 元素\r\n * @returns {*|HTMLElement}\r\n */\r\nconst getParentOrHost = (el) => {\r\n return el.host && el !== document && el.host.nodeType\r\n ? el.host\r\n : el.parentNode\r\n}\r\n\r\nexport default getParentOrHost\r\n","export const CAPTURE_EVENTS = [\r\n 'focusout',\r\n 'blur',\r\n 'focusin',\r\n 'focus',\r\n 'load',\r\n 'unload',\r\n 'mouseenter',\r\n 'mouseleave'\r\n]\r\n","import { CAPTURE_EVENTS } from './enum'\r\nimport _delete from './_delete'\r\n\r\n/**\r\n * （私有方法）取消 type 类型的代理事件绑定\r\n * ========================================================================\r\n * 如果没有设置 handler，则销毁 this.$options 绑定的所有符合 type 事件类型的事件绑定\r\n * ========================================================================\r\n * @method _off\r\n * @param {HTMLElement} el - （必须）取消事件绑定的 DOM 元素\r\n * @param {String} type - （必须）事件类型\r\n * @param {Function} fn - （必须）事件处理器回调函数\r\n * @private\r\n */\r\nconst _off = (el, type, fn) => {\r\n const capture = CAPTURE_EVENTS.indexOf(type) > -1\r\n\r\n /* istanbul ignore else */\r\n if (fn._delegateListener) {\r\n fn = fn._delegateListener\r\n delete fn._delegateListener\r\n }\r\n\r\n // 移除缓存的 _listeners 数据\r\n _delete(el, type, fn)\r\n\r\n el.removeEventListener(type, fn, capture)\r\n}\r\n\r\nexport default _off\r\n","/**\r\n * 删除 DOM 元素缓存的 _listeners 数据\r\n * ========================================================================\r\n * @method _delete\r\n * @param {HTMLElement} el - 要删除 listener 的 DOM 元素\r\n * @param {String} type - 事件类型（名称）\r\n * @param {Function} [fn] - 事件处理器回调函数\r\n */\r\nconst _delete = function (el, type, fn) {\r\n const listeners = el._listeners\r\n let index = -1\r\n\r\n if (listeners.length < 1) {\r\n return false\r\n }\r\n\r\n // 移除缓存的 _listeners 数据\r\n listeners.forEach((listener, i) => {\r\n const handler = listener.fn\r\n\r\n if (type === listener.type) {\r\n index = i\r\n\r\n if (handler === fn) {\r\n index = i\r\n }\r\n }\r\n })\r\n\r\n /* istanbul ignore else */\r\n if (index > -1) {\r\n listeners.splice(index, 1)\r\n }\r\n}\r\n\r\nexport default _delete\r\n","import isString from '../types/isString'\r\nimport isElement from '../types/isElement'\r\nimport getListeners from './getListeners'\r\nimport _off from './_off'\r\n\r\n/**\r\n * 销毁（type 类型的）代理事件绑定\r\n * ========================================================================\r\n * 1. 设置了事件类型 type，则销毁指定类型的事件绑定，否则清除所有代理事件绑定\r\n * 2. recurse 设置为 true，递归销毁子节点全部事件绑定\r\n * ========================================================================\r\n * @method purgeElement\r\n * @param {HTMLElement|String} el - （必须）DOM 元素或者其选择器\r\n * @param {String|Boolean} type - （必须）事件类型\r\n * @param {Boolean} [recurse] - （可选）是否递归销毁子节点所有事件绑定\r\n */\r\nconst purgeElement = function (el, type, recurse = false) {\r\n const $element = isString(el) ? document.querySelector(el) : el\r\n const $children = $element.childNodes\r\n const listeners = getListeners($element, type)\r\n\r\n listeners.forEach((listener) => {\r\n _off($element, listener.type, listener.fn)\r\n })\r\n\r\n if (\r\n (recurse || type === true || arguments.length === 1) &&\r\n $element &&\r\n $children\r\n ) {\r\n $children.forEach(($child) => {\r\n if (isElement($child)) {\r\n purgeElement($child, type, recurse)\r\n }\r\n })\r\n }\r\n}\r\n\r\nexport default purgeElement\r\n","import isString from '../types/isString'\r\n\r\n/**\r\n * 获取 DOM 元素（type 事件类型）事件绑定信息\r\n * ========================================================================\r\n * 如果设置了事件类型 type， 则返回指定类型的事件绑定信息，否则返回所有事件绑定信息\r\n * ========================================================================\r\n * @methods getListeners\r\n * @param {HTMLElement} el - （必须）要获取事件绑定信息的 DOM 元素\r\n * @param {String} [type] - （可选）事件类型\r\n * @returns {Array} - 已绑定的事件信息\r\n */\r\nconst getListeners = (el, type) => {\r\n let listeners = el._listeners || []\r\n\r\n if (isString(type) && type) {\r\n listeners = listeners.filter((listener) => {\r\n return listener.type === type\r\n })\r\n }\r\n\r\n return listeners\r\n}\r\n\r\nexport default getListeners\r\n","import purgeElement from './purgeElement'\r\nimport isFunction from '../types/isFunction'\r\nimport _off from './_off'\r\n\r\n/**\r\n * 取消 type 类型的代理事件绑定\r\n * ========================================================================\r\n * 如果没有设置 handler，则销毁 this.$options 绑定的所有符合 type 事件类型的事件绑定\r\n * ========================================================================\r\n * @method off\r\n * @param {HTMLElement} el - （必须）取消事件绑定的 DOM 元素\r\n * @param {String} type - （必须）事件类型\r\n * @param {Function} [fn] - （可选）事件处理器回调函数\r\n */\r\nconst off = (el, type, fn) => {\r\n // 如果不设置 fn 参数，默认清除 el 元素上绑定的所有事件处理器\r\n if (!isFunction(fn)) {\r\n return purgeElement(el, type)\r\n }\r\n\r\n _off(el, type, fn)\r\n}\r\n\r\nexport default off\r\n","import closest from '../dom/closest'\r\nimport off from './off'\r\nimport getTarget from './getTarget'\r\n\r\nimport { CAPTURE_EVENTS } from './enum'\r\n\r\n/**\r\n * 绑定代理事件\r\n * ========================================================================\r\n * @method on\r\n * @param {HTMLElement|String|Object} el - （必须）绑定代理事件的 DOM 节点\r\n * @param {String} selector - （必须）事件代理目标 DOM 元素的选择器\r\n * @param {String|Function} type - （必须）事件类型或者事件处理器回调函数\r\n * @param {Function|Object} fn - （可选） 事件处理器回调函数或者传递给事件处理器回调函数的数据对象\r\n * @param {Object|Boolean} [data] - （可选）传递给事件处理器回调函数的数据对象或者事件处理器回调函数的 this 上下文指向，\r\n * @param {Object|Boolean} [context] - （可选）事件处理器回调函数的 this 上下文指向，或者是否仅触发一次\r\n * 当设置为 true 时，则事件处理器回调函数的 this 上下文指向为 data 对象\r\n * @param {Boolean} once - （可选）是否仅触发一次\r\n */\r\nconst on = (el, selector, type, fn, data, context, once = false) => {\r\n // CAPTURE_EVENTS 中的特殊事件，采用事件捕获模型\r\n const capture = CAPTURE_EVENTS.indexOf(type) > -1\r\n\r\n const listener = function (evt) {\r\n const target = getTarget(evt)\r\n // 通过 Element.matches 方法获得点击的目标元素\r\n const delegateTarget = closest(target, selector, el)\r\n let overrideContext = context || el\r\n\r\n evt.delegateTarget = delegateTarget\r\n\r\n // 当设置为 true 时，则事件处理器回调函数的\r\n // this 上下文指向为 data 对象\r\n if (context === true) {\r\n overrideContext = data\r\n }\r\n\r\n /* istanbul ignore else */\r\n if (delegateTarget) {\r\n // 仅触发一次\r\n /* istanbul ignore else */\r\n if (once === true) {\r\n off(el, type, listener)\r\n }\r\n\r\n fn.call(overrideContext, evt, data)\r\n }\r\n }\r\n\r\n if (!el._listeners) {\r\n el._listeners = []\r\n }\r\n\r\n // 缓存 options 元素绑定的事件处理器\r\n el._listeners.push({\r\n el,\r\n selector,\r\n type,\r\n fn: listener,\r\n data,\r\n context,\r\n capture\r\n })\r\n\r\n // 缓存包装后的事件处理器\r\n fn._delegateListener = listener\r\n\r\n el.addEventListener(type, listener, capture)\r\n}\r\n\r\nexport default on\r\n","import resolveTextNode from '../dom/resolveTextNode'\r\n\r\n/**\r\n * 返回触发事件的 target DOM 元素\r\n * ========================================================================\r\n * @method getTarget\r\n * @param {Event} evt - Event 对象\r\n * @return {HTMLElement} - Event 对象的 target DOM 元素\r\n */\r\nconst getTarget = function (evt) {\r\n const target = evt.target\r\n\r\n return resolveTextNode(target)\r\n}\r\n\r\nexport default getTarget\r\n","/**\r\n * 在某些情况下，某些浏览器（例如：Safari 浏览器）会返回实际的目标元素内部的文本节点。\r\n * resolveTextNode() 方法则会返回实际的目标节点。\r\n * ========================================================================\r\n * @method resolveTextNode\r\n * @param {HTMLElement|Text} el - 要解析的节点\r\n * @return {*|HTMLElement} - 实际的目标 DOM 节点\r\n */\r\nconst resolveTextNode = function (el) {\r\n if (el && el.nodeType === 3) {\r\n return el.parentNode\r\n }\r\n\r\n return el\r\n}\r\n\r\nexport default resolveTextNode\r\n","import matches from './matches'\r\nimport getParentOrHost from './getParentOrHost'\r\n\r\n/**\r\n * 获取 options 元素父元素最近的包含 selector 选择器的元素\r\n * ========================================================================\r\n * @method closest\r\n * @param {HTMLElement} el - （必须）DOM 元素\r\n * @param {String} selector - （必须）DOM 元素的选择其\r\n * @param {HTMLElement} [ctx] - （必须）比对的 DOM 元素\r\n * @param {Boolean} [includeCTX] - （必须）是否包含 context DOM 元素\r\n * @returns {null|HTMLElement} - 返回最接近的 DOM 元素\r\n */\r\nconst closest = (el, selector, ctx, includeCTX) => {\r\n const context = ctx || document\r\n\r\n if (!el) {\r\n return null\r\n }\r\n\r\n do {\r\n /* istanbul ignore else */\r\n if (\r\n (selector != null &&\r\n (selector[0] === '>'\r\n ? el.parentNode === context && matches(el, selector)\r\n : matches(el, selector))) ||\r\n (includeCTX && el === context)\r\n ) {\r\n return el\r\n }\r\n\r\n /* istanbul ignore else */\r\n if (el === context) {\r\n break\r\n }\r\n\r\n /* jshint boss:true */\r\n } while ((el = getParentOrHost(el)))\r\n}\r\n\r\nexport default closest\r\n","/**\r\n * 存储订阅者（主题和处理器的）私有对象\r\n * ========================================================================\r\n * @type {{}}\r\n * @private\r\n */\r\nconst _subscribers = {}\r\n\r\nexport default _subscribers\r\n","import _subscribers from './_subscribers'\r\nimport hasOwn from '../lang/hasOwn'\r\n\r\n/**\r\n * 判断是否存在与给定 topic 完全匹配的订阅者信息\r\n * ========================================================================\r\n * @method _hasDirectSubscribersFor\r\n * @param {String} topic - （必须）订阅主题字符串\r\n * @returns {Boolean}\r\n */\r\nconst _hasDirectSubscribersFor = (topic) => {\r\n return hasOwn(_subscribers, topic) && _subscribers[topic].length > 0\r\n}\r\n\r\nexport default _hasDirectSubscribersFor\r\n","import _hasDirectSubscribersFor from './_hasDirectSubscribersFor'\r\nimport _hasSubscribers from './_hasSubscribers'\r\n\r\n/**\r\n * 判断是否存在包含 topic 指定的订阅者信息\r\n * ========================================================================\r\n * @method has\r\n * @param {String} topic - （必须）主题名称\r\n * @param {Boolean} [isDirect] - （可选）是否为直接的主题，默认值：true\r\n * @returns {Boolean}\r\n */\r\nconst has = (topic, isDirect = true) => {\r\n return isDirect ? _hasDirectSubscribersFor(topic) : _hasSubscribers(topic)\r\n}\r\n\r\nexport default has\r\n","import _hasDirectSubscribersFor from './_hasDirectSubscribersFor'\r\n\r\n/**\r\n * 判断是否存在包含给定 topic 相关的订阅者信息\r\n * ========================================================================\r\n * @method _hasSubscribers\r\n * @param {String} topic - （必须）订阅主题字符串\r\n * @returns {Boolean}\r\n */\r\nconst _hasSubscribers = (topic) => {\r\n let found = _hasDirectSubscribersFor(topic)\r\n let position = topic.lastIndexOf('.')\r\n\r\n while (!found && position !== -1) {\r\n topic = topic.substring(0, position)\r\n position = topic.lastIndexOf('.')\r\n found = _hasDirectSubscribersFor(topic)\r\n }\r\n\r\n return found\r\n}\r\n\r\nexport default _hasSubscribers\r\n","import isTypedArray from '../types/isTypedArray'\r\nimport _subscribers from './_subscribers'\r\nimport has from './has'\r\nimport _hasDirectSubscribersFor from './_hasDirectSubscribersFor'\r\n\r\n/**\r\n * （异步）发布订阅主题信息\r\n * ========================================================================\r\n * 主题默认是异步发布的。确保在消费者处理主题时，主题的发起者不会被阻止。\r\n * ========================================================================\r\n * @method emit\r\n * @param {String} topic - （必须）主题名称\r\n * @param {Object} data - （必须）数据对象\r\n * @param {Boolean} async - (可选) 是否异步发布\r\n */\r\nconst emit = (topic, data, async = true) => {\r\n const execute = (topic) => {\r\n if (!_hasDirectSubscribersFor(topic)) {\r\n return false\r\n }\r\n\r\n _subscribers[topic].forEach((subscriber) => {\r\n // 针对 mqtt 消息服务返回的 Uint8Array 类似的 typed arrays 格式的数据\r\n // 采用 toString() 方法转化为普通（JSON）字符串\r\n const message = isTypedArray(data) ? data.toString() : data\r\n\r\n subscriber.callback.call(subscriber.context || subscriber, message)\r\n })\r\n }\r\n const deliver = () => {\r\n let subscriber = topic\r\n let position = topic.lastIndexOf('.')\r\n\r\n while (position !== -1) {\r\n subscriber = subscriber.substring(0, position)\r\n position = subscriber.lastIndexOf('.')\r\n\r\n execute(subscriber)\r\n }\r\n\r\n // 执行 topic 对应的处理器\r\n execute(topic)\r\n // 执行特殊 topic：'*'（监听全部消息的发布）\r\n execute('*')\r\n }\r\n\r\n if (!has(topic)) {\r\n return false\r\n }\r\n\r\n if (async) {\r\n setTimeout(deliver, 10)\r\n } else {\r\n deliver()\r\n }\r\n}\r\n\r\nexport default emit\r\n","import toString from '../lang/toString'\r\n/**\r\n * 判断检测数据是否为 Typed Arrays 类型的数据\r\n * ========================================================================\r\n * @param {*} val\r\n * @returns {boolean}\r\n */\r\nconst isTypedArray = (val) => {\r\n const TYPES = [\r\n '[object Int8Array]',\r\n '[object Uint8Array]',\r\n '[object Uint8ClampedArray]',\r\n '[object Int16Array]',\r\n '[object Uint16Array]',\r\n '[object Int32Array]',\r\n '[object Uint32Array]',\r\n '[object Float32Array]',\r\n '[object Float64Array]',\r\n '[object BigInt64Array]',\r\n '[object BigUint64Array]'\r\n ]\r\n\r\n return TYPES.indexOf(toString(val)) > -1\r\n}\r\n\r\nexport default isTypedArray\r\n","import toString from '../lang/toString'\r\n\r\n/**\r\n * 检测数据是否为 Array 类型\r\n * ========================================================================\r\n * @method isArray\r\n * @param {*} o\r\n * @returns {boolean}\r\n */\r\nconst isArray = (o) => {\r\n if (Array.isArray) {\r\n return Array.isArray(o)\r\n } else {\r\n return toString(o) === '[object Array]'\r\n }\r\n}\r\n\r\nexport default isArray\r\n","import isString from '../types/isString'\r\n\r\n/**\r\n * 清楚字符串起始位置所有的空格\r\n * ========================================================================\r\n * @method trim\r\n * @param {string} str\r\n * @returns {string|Boolean}\r\n */\r\nconst trim = (str) => {\r\n if (!isString(str)) {\r\n return false\r\n }\r\n return str.replace(/^\\s+|\\s+$/g, '')\r\n}\r\n\r\nexport default trim\r\n","import isObject from './isObject'\r\nimport isElement from './isElement'\r\nimport isHTMLCollection from './isHTMLCollection'\r\nimport isFragment from './isFragment'\r\nimport isTextNode from './isTextNode'\r\n\r\nconst isDOM = (el) => {\r\n return !!(\r\n isObject(el) &&\r\n (isElement(el) || isHTMLCollection(el) || isFragment(el) || isTextNode(el))\r\n )\r\n}\r\n\r\nexport default isDOM\r\n","import toString from '../lang/toString'\r\nimport isObject from './isObject'\r\n\r\nconst isHTMLCollection = (el) => {\r\n return !!(isObject(el) && toString(el) === '[object NodeList]')\r\n}\r\n\r\nexport default isHTMLCollection\r\n","import toString from '../lang/toString'\r\nimport isObject from './isObject'\r\n\r\nconst isFragment = (fragment) => {\r\n return !!(\r\n isObject(fragment) && toString(fragment) === '[object DocumentFragment]'\r\n )\r\n}\r\n\r\nexport default isFragment\r\n","import toString from '../lang/toString'\r\nimport isObject from './isObject'\r\n\r\nconst isTextNode = (el) => {\r\n return !!(\r\n isObject(el) &&\r\n (toString(el) === '[object Text]' || (el.tagName && el.nodeType === 3))\r\n )\r\n}\r\n\r\nexport default isTextNode\r\n","/**\r\n * 给 DOM 节点设置属性/值\r\n * ========================================================================\r\n * @method setAttribute\r\n * @param {HTMLElement} el - DOM 节点\r\n * @param {String} attr - 属性名称\r\n * @param {String|Number|Boolean} value - 属性值\r\n */\r\nconst setAttribute = (el, attr, value) => {\r\n let tagName = el.tagName.toLowerCase()\r\n\r\n switch (attr) {\r\n case 'style':\r\n el.style.cssText = value\r\n break\r\n case 'value':\r\n if (tagName === 'input' || tagName === 'textarea') {\r\n el.value = value\r\n } else {\r\n el.setAttribute(attr, value)\r\n }\r\n break\r\n case 'className':\r\n el.className = value\r\n break\r\n default:\r\n el.setAttribute(attr, value)\r\n break\r\n }\r\n}\r\n\r\nexport default setAttribute\r\n","import trim from './utils/lang/trim'\r\nimport createElement from './utils/dom/createElement'\r\nimport setAttribute from './utils/dom/setAttribute'\r\n\r\nimport { createSvgIcon } from './utils/icons'\r\n\r\nconst _updateHeading = ($heading, i, options) => {\r\n const CLS_HEADING = 'outline-heading'\r\n const hasAnchor = options.hasAnchor || true\r\n const isAtStart = options.isAtStart || true\r\n const showCode = options.showCode || false\r\n const chapterCode = options.chapterCode || ''\r\n const anchorURL = options.anchorURL || ''\r\n const headingId = `heading-${i}`\r\n const attrs = {\r\n id: headingId,\r\n className: isAtStart ? `${CLS_HEADING} ${CLS_HEADING}_start` : CLS_HEADING,\r\n 'data-id': i\r\n }\r\n const keys = Object.keys(attrs)\r\n const text = trim($heading.innerHTML)\r\n let $anchor\r\n let $icon\r\n\r\n keys.forEach((prop) => {\r\n setAttribute($heading, prop, attrs[prop])\r\n })\r\n\r\n if (showCode) {\r\n $heading.innerHTML = chapterCode + ' ' + text\r\n }\r\n\r\n if (!hasAnchor) {\r\n return false\r\n }\r\n\r\n $icon = createSvgIcon('hash')\r\n $anchor = createElement(\r\n 'a',\r\n {\r\n id: `anchor-${i}`,\r\n className: `${CLS_HEADING}__anchor anchor-${i}`,\r\n href: anchorURL ? anchorURL : `#${headingId}`,\r\n target: anchorURL ? '_blank' : 'self',\r\n 'data-id': i\r\n },\r\n [$icon]\r\n )\r\n $heading.appendChild($anchor)\r\n}\r\n\r\nexport default _updateHeading\r\n","import isArray from './types/isArray'\r\n\r\n/**\r\n * 绘制 SVG Sprites 图标集\r\n * ========================================================================\r\n * @method paintSvgSprites\r\n * @param {Array} [symbols] - （可选）symbols 图标数组\r\n * 传递 symbols - 绘制 symbols + SYMBOLS 的图标集\r\n * 不传递 symbols - 仅绘制默认 SYMBOLS 图标集\r\n */\r\nexport const paintSvgSprites = (symbols = []) => {\r\n const SYMBOLS = [\r\n '',\r\n '',\r\n '',\r\n '',\r\n '',\r\n '',\r\n '',\r\n ''\r\n ]\r\n const sprites =\r\n isArray(symbols) && symbols.length > 0 ? SYMBOLS.concat(symbols) : SYMBOLS\r\n const $body = document.body\r\n let $icons = document.querySelector('#svg-sprites')\r\n\r\n if ($icons) {\r\n $icons.innerHTML = sprites.join('')\r\n } else {\r\n $icons = document.createElement('div')\r\n $icons.innerHTML =\r\n ``\r\n $body.insertBefore($icons.firstChild, $body.firstChild)\r\n }\r\n}\r\n\r\n/**\r\n * 创建 SVG 图标 DOM 元素\r\n * ========================================================================\r\n * @method createSvgIcon\r\n * @param {String} name\r\n * @param {Number|String|Array} [size]\r\n * @param {String} [color]\r\n * @param {String} [iconSet]\r\n * @returns {HTMLElement}\r\n */\r\nexport const createSvgIcon = (\r\n name,\r\n size = 0,\r\n color = '',\r\n iconSet = 'outline'\r\n) => {\r\n const binds = iconSet\r\n ? `xlink:href=\"#${iconSet}-icon-${name}\"`\r\n : `xlink:href=\"#icon-${name}\"`\r\n const width = isArray(size) ? size[0] : size\r\n const height = isArray(size) ? size[1] : size\r\n const defaultRules = size ? `width:${width}px;height:${height}px;` : ''\r\n const cssRules = color ? defaultRules + `color:${color}` : defaultRules\r\n const svg =\r\n `` +\r\n `` +\r\n ``\r\n const $icon = document.createElement('i')\r\n\r\n $icon.className = 'outline-icon'\r\n $icon.innerHTML = svg\r\n\r\n return $icon\r\n}\r\n","import hasOwn from '../lang/hasOwn'\r\nimport isObject from '../types/isObject'\r\nimport isString from '../types/isString'\r\nimport isArray from '../types/isArray'\r\nimport isDOM from '../types/isDOM'\r\nimport setAttribute from './setAttribute'\r\n\r\n/**\r\n * 创建 DOM 节点，并添加属性和子节点\r\n * ========================================================================\r\n * @method createElement\r\n * @param {String} tagName - 标签名称\r\n * @param {Object|Array} attrs - 属性对象或者子节点\r\n * @param {Array} [children] - 子节点数组\r\n * @returns {HTMLElement}\r\n */\r\nconst createElement = (tagName, attrs, children) => {\r\n const $fragment = document.createDocumentFragment()\r\n const $el = document.createElement(tagName)\r\n const isValidChild = (child) => {\r\n return isDOM(child) || isString(child)\r\n }\r\n const append = (child) => {\r\n let $child\r\n\r\n if (!isValidChild(child)) {\r\n return false\r\n }\r\n\r\n if (isDOM(child)) {\r\n $child = child\r\n } else if (isString(child)) {\r\n $child = document.createTextNode(child)\r\n }\r\n\r\n $fragment.appendChild($child)\r\n }\r\n\r\n if (isObject(attrs)) {\r\n Object.keys(attrs).forEach((attr) => {\r\n if (hasOwn(attrs, attr)) {\r\n setAttribute($el, attr, attrs[attr])\r\n }\r\n })\r\n } else if (isArray(attrs) && attrs.every((attr) => isValidChild(attr))) {\r\n attrs.forEach((child) => {\r\n append(child)\r\n })\r\n }\r\n\r\n if (isArray(children)) {\r\n children.forEach((child) => {\r\n append(child)\r\n })\r\n } else {\r\n append(children)\r\n }\r\n\r\n $el.appendChild($fragment)\r\n\r\n return $el\r\n}\r\n\r\nexport default createElement\r\n","import trim from '../lang/trim'\r\nimport hasClass from './hasClass'\r\n\r\n/**\r\n * 移除 DOM 节点的 className 样式\r\n * ========================================================================\r\n * @method removeClass\r\n * @param {HTMLElement} el - DOM 节点\r\n * @param {String} className - 样式名称\r\n * @returns {Boolean}\r\n */\r\nconst removeClass = (el, className) => {\r\n let allClass = el.className\r\n let classList\r\n\r\n if (!allClass || !hasClass(el, className)) {\r\n return false\r\n }\r\n\r\n classList = el.classList\r\n\r\n if (classList?.remove) {\r\n classList.remove(className)\r\n } else {\r\n allClass = trim(allClass.replace(className, ''))\r\n el.className = allClass\r\n }\r\n}\r\n\r\nexport default removeClass\r\n","import isElement from '../types/isElement'\r\n/**\r\n * 检测 DOM 节点是否包含名为 className 的样式\r\n * ========================================================================\r\n * @method hasClass\r\n * @param {HTMLElement} el - DOM 节点\r\n * @param {String} className - 样式名称\r\n * @returns {Boolean}\r\n */\r\nconst hasClass = (el, className) => {\r\n const pattern = new RegExp('(\\\\s|^)' + className + '(\\\\s|$)')\r\n let allClass\r\n let classList\r\n\r\n if (!isElement(el)) {\r\n return false\r\n }\r\n\r\n allClass = el.className\r\n\r\n if (!allClass) {\r\n return false\r\n }\r\n\r\n classList = el.classList\r\n\r\n if (classList?.contains) {\r\n return el.classList.contains(className)\r\n }\r\n\r\n return !!allClass.match(pattern)\r\n}\r\n\r\nexport default hasClass\r\n","import removeClass from './utils/dom/removeClass'\r\nimport isEmpty from './utils/types/isEmpty'\r\nimport trim from './utils/lang/trim'\r\n\r\nconst _resetHeading = ($heading, hasAnchor = true, isAtStart = true) => {\r\n const CLS_HEADING = 'outline-heading'\r\n const text = $heading.innerHTML\r\n let $anchor\r\n\r\n $heading.innerHTML = text.replace(/^\\d+(?:(\\.?\\d*)*\\s?)?/gi, '')\r\n $heading.removeAttribute('id')\r\n $heading.removeAttribute('data-id')\r\n\r\n removeClass($heading, CLS_HEADING)\r\n\r\n if (!hasAnchor) {\r\n return false\r\n }\r\n\r\n $anchor = $heading.querySelector(`.${CLS_HEADING}__anchor`)\r\n\r\n if (isAtStart) {\r\n removeClass($heading, `${CLS_HEADING}_start`)\r\n }\r\n\r\n if (isEmpty(trim($heading.className))) {\r\n $heading.removeAttribute('class')\r\n }\r\n\r\n $heading.removeChild($anchor)\r\n}\r\n\r\nexport default _resetHeading\r\n","import isString from './isString'\r\n/**\r\n * 检测数据是否为空字符串\r\n * ========================================================================\r\n * @method isEmpty\r\n * @param {String} str\r\n * @returns {boolean}\r\n */\r\nconst isEmpty = (str) => {\r\n return isString(str) && str === ''\r\n}\r\n\r\nexport default isEmpty\r\n","import trim from './utils/lang/trim'\r\nimport stripTags from './utils/lang/stripTags'\r\n\r\nimport _getChaptersWithCode from './_getChaptersWithCode'\r\nimport _getChapterParentIdByDiffer from './_getChapterParentIdByDiffer'\r\n\r\nconst getChapters = (headings, showCode = true) => {\r\n const chapters = []\r\n let previous = 1\r\n let level = 0\r\n\r\n headings.forEach((heading, i) => {\r\n const headingLevel = heading.tagName.replace(/h/i, '')\r\n let current = parseInt(headingLevel, 10)\r\n let pid = -1\r\n\r\n // 当前标题的（标题标签）序号 > 前一个标题的序号：两个相连的标题是父标题 -> 子标题关系；\r\n // h2 （前一个标题）\r\n // h3 （当前标题）\r\n if (current > previous) {\r\n level += 1\r\n\r\n // 第一层级的 pid 是 -1\r\n if (level === 1) {\r\n pid = -1\r\n } else {\r\n pid = i - 1\r\n }\r\n }\r\n // 当前标题的（标题标签）序号 = 前一个标题的序号\r\n // h2 （前一个标题）\r\n // h2 （当前标题）\r\n // 当前标题的（标题标签）序号 < 前一个标题的序号，并且当前标题序号 > 当前的级别\r\n // h2\r\n // h4 （前一个标题）\r\n // h3 （当前标题：这种情况我们还是任务 h3 是 h2 的下一级章节）\r\n else if (current === previous || (current < previous && current > level)) {\r\n // H1 的层级肯定是 1\r\n if (current === 1) {\r\n level = 1\r\n pid = -1\r\n } else {\r\n pid = chapters[i - 1].pid\r\n }\r\n } else if (current <= level) {\r\n // H1 的层级肯定是 1\r\n if (current === 1) {\r\n level = 1\r\n } else {\r\n level = level - (previous - current)\r\n\r\n if (level <= 1) {\r\n level = 1\r\n }\r\n }\r\n\r\n // 第一级的标题\r\n if (level === 1) {\r\n pid = -1\r\n } else {\r\n // 通过当前标题和前一个标题之间的等级差，获得当前标题的父标题ID\r\n pid = _getChapterParentIdByDiffer(chapters, previous - current, i)\r\n }\r\n }\r\n\r\n previous = current\r\n\r\n chapters.push({\r\n id: i,\r\n pid: pid,\r\n level: level,\r\n rel: `heading-${i}`,\r\n text: stripTags(trim(heading.innerHTML))\r\n })\r\n })\r\n\r\n return showCode ? _getChaptersWithCode(chapters) : chapters\r\n}\r\n\r\nexport default getChapters\r\n","import isString from '../types/isString'\r\n\r\n/**\r\n * 过滤所有 HTML 标签\r\n * ========================================================================\r\n * @method stripTags\r\n * @param {string} str\r\n * @returns {string}\r\n */\r\nconst stripTags = (str) => {\r\n if (!isString(str)) {\r\n return ''\r\n }\r\n return str.replace(/<\\/?[^>]+(>|$)/g, '')\r\n}\r\n\r\nexport default stripTags\r\n","const _getChapterParentIdByDiffer = (chapters, differ, index) => {\r\n let previous = chapters[index - 1]\r\n let pid\r\n let i\r\n\r\n for (i = 0; i < differ; i += 1) {\r\n pid = previous.pid\r\n previous = chapters[pid]\r\n }\r\n\r\n pid = previous.pid\r\n\r\n return pid\r\n}\r\n\r\nexport default _getChapterParentIdByDiffer\r\n","const _getChaptersWithCode = (chapters) => {\r\n const groups = {}\r\n const cb = (o) => {\r\n return [o.pid]\r\n }\r\n\r\n chapters.forEach((o) => {\r\n const group = JSON.stringify(cb(o))\r\n\r\n groups[group] = groups[group] || []\r\n groups[group].push(o)\r\n\r\n o.index = groups[group].length\r\n if (o.pid === -1) {\r\n o.code = String(o.index)\r\n }\r\n })\r\n\r\n Object.keys(groups).forEach((group) => {\r\n groups[group].forEach((c, i) => {\r\n c.index = i + 1\r\n chapters.forEach((o) => {\r\n if (o.pid === c.id) {\r\n o.code = c.code + '.' + o.index\r\n }\r\n })\r\n })\r\n })\r\n\r\n return chapters\r\n}\r\n\r\nexport default _getChaptersWithCode\r\n","import Base from './base'\r\n\r\n// 在文章的标题生成 anchor 链接\r\nimport isString from './utils/types/isString'\r\nimport isFunction from './utils/types/isFunction'\r\nimport isElement from './utils/types/isElement'\r\nimport toTree from './utils/lang/toTree'\r\nimport later from './utils/lang/later'\r\nimport scrollTo from './utils/dom/scrollTo'\r\nimport _getScrollElement from './utils/dom/_getScrollElement'\r\nimport offsetTop from './utils/dom/offsetTop'\r\nimport on from './utils/event/on'\r\nimport off from './utils/event/off'\r\nimport stop from './utils/event/stop'\r\nimport publish from './utils/observer/emit'\r\nimport { paintSvgSprites } from './utils/icons'\r\n\r\nimport _updateHeading from './_updateHeading'\r\nimport _resetHeading from './_resetHeading'\r\nimport getChapters from './getChapters'\r\n\r\nclass Anchors extends Base {\r\n constructor(options) {\r\n super()\r\n\r\n this.attrs = Anchors.DEFAULTS\r\n this.$articleElement = null\r\n this.$scrollElement = null\r\n this.$headings = []\r\n\r\n this.chapters = []\r\n\r\n if (options) {\r\n this.initialize(options)\r\n }\r\n }\r\n\r\n initialize(options) {\r\n let created\r\n let scrollElement\r\n let selector\r\n let $articleElement\r\n let articleElement\r\n\r\n this.attr(options)\r\n articleElement = this.attr('articleElement')\r\n scrollElement = this.attr('scrollElement')\r\n selector = this.attr('selector')\r\n created = this.attr('created')\r\n\r\n if (isString(articleElement)) {\r\n $articleElement = document.querySelector(articleElement)\r\n } else if (isElement(articleElement)) {\r\n $articleElement = articleElement\r\n }\r\n\r\n if (!$articleElement) {\r\n return this\r\n }\r\n\r\n this.$articleElement = $articleElement\r\n this.$scrollElement = _getScrollElement(scrollElement)\r\n this.$headings = [...$articleElement.querySelectorAll(selector)]\r\n\r\n if (this.$headings.length < 1) {\r\n return this\r\n }\r\n\r\n this.chapters = getChapters(this.$headings)\r\n\r\n if (isFunction(created)) {\r\n created.call(this)\r\n }\r\n\r\n this.render().addListeners()\r\n\r\n return this\r\n }\r\n\r\n getChapters(isTreeStructured = false) {\r\n const chapters = this.chapters\r\n return isTreeStructured ? toTree(chapters, 'id', 'pid') : chapters\r\n }\r\n\r\n count() {\r\n return this.chapters.length\r\n }\r\n\r\n render() {\r\n const mounted = this.attr('mounted')\r\n const hasAnchor = this.attr('hasAnchor')\r\n const isAtStart = this.attr('isAtStart')\r\n const showCode = this.attr('showCode')\r\n const anchorURL = this.attr('anchorURL')\r\n const $headings = this.$headings\r\n const chapters = this.getChapters()\r\n\r\n paintSvgSprites()\r\n\r\n $headings.forEach(($heading, i) => {\r\n const chapterCode = chapters[i].code\r\n _updateHeading($heading, i, {\r\n hasAnchor,\r\n isAtStart,\r\n showCode,\r\n chapterCode,\r\n anchorURL\r\n })\r\n })\r\n\r\n if (isFunction(mounted)) {\r\n mounted.call(this)\r\n }\r\n\r\n return this\r\n }\r\n\r\n scrollTo(top, after) {\r\n const el = this.$scrollElement\r\n\r\n scrollTo(el, top, after)\r\n\r\n return this\r\n }\r\n\r\n destroy() {\r\n const hasAnchor = this.attr('hasAnchor')\r\n const isAtStart = this.attr('isAtStart')\r\n const beforeDestroy = this.attr('beforeDestroy')\r\n const afterDestroy = this.attr('afterDestroy')\r\n const $headings = this.$headings\r\n\r\n if (isFunction(beforeDestroy)) {\r\n beforeDestroy.call(this)\r\n }\r\n\r\n this.removeListeners()\r\n $headings.forEach(($heading) => {\r\n _resetHeading($heading, hasAnchor, isAtStart)\r\n })\r\n\r\n this.attr(Anchors.DEFAULTS)\r\n this.$articleElement = null\r\n this.$scrollElement = null\r\n this.$headings = []\r\n this.chapters = []\r\n\r\n if (isFunction(afterDestroy)) {\r\n afterDestroy.call(this)\r\n }\r\n\r\n return this\r\n }\r\n\r\n onAnchorTrigger(evt) {\r\n const anchorURL = this.attr('anchorURL')\r\n const afterScroll = this.attr('afterScroll')\r\n const stickyHeight = this.attr('stickyHeight')\r\n const $anchor = evt.delegateTarget\r\n const $heading = $anchor.parentNode\r\n const top = offsetTop($heading) - (stickyHeight + 10)\r\n const $scrollElement = this.$scrollElement\r\n const min = 0\r\n const max = $scrollElement.scrollHeight - $scrollElement.clientHeight\r\n const after = () => {\r\n if (isFunction(afterScroll)) {\r\n afterScroll.call(this, 'anchor')\r\n }\r\n\r\n later(() => {\r\n publish('toolbar:update', {\r\n top,\r\n min,\r\n max\r\n })\r\n })\r\n }\r\n\r\n this.scrollTo(top, after)\r\n\r\n if (!anchorURL) {\r\n stop(evt)\r\n }\r\n\r\n return this\r\n }\r\n\r\n addListeners() {\r\n const $articleElement = this.$articleElement\r\n\r\n on(\r\n $articleElement,\r\n '.outline-heading__anchor',\r\n 'click',\r\n this.onAnchorTrigger,\r\n this,\r\n true\r\n )\r\n\r\n return this\r\n }\r\n\r\n removeListeners() {\r\n const $articleElement = this.$articleElement\r\n\r\n off($articleElement, 'click', this.onAnchorTrigger)\r\n\r\n return this\r\n }\r\n}\r\n\r\nAnchors.DEFAULTS = {\r\n scrollElement: 'html,body',\r\n articleElement: '#article',\r\n selector: 'h1,h2,h3,h4,h5,h6',\r\n stickyHeight: 0,\r\n anchorURL: '',\r\n hasAnchor: true,\r\n isAtStart: true,\r\n showCode: false,\r\n created: null,\r\n mounted: null,\r\n afterScroll: null,\r\n beforeDestroy: null,\r\n afterDestroy: null\r\n}\r\n\r\nexport default Anchors\r\n","const toTree = (list, nodeKey, parentKey) => {\r\n const map = {}\r\n const roots = []\r\n\r\n list.forEach((item, i) => {\r\n // initialize the map\r\n map[item[nodeKey]] = i\r\n // initialize the children\r\n item.children = []\r\n })\r\n\r\n list.forEach((item) => {\r\n const node = list[map[item[parentKey]]]\r\n\r\n if (item[parentKey] !== -1) {\r\n // if you have dangling branches check that map[node.parentId] exists\r\n node.children.push(item)\r\n } else {\r\n roots.push(item)\r\n }\r\n })\r\n\r\n return roots\r\n}\r\n\r\nexport default toTree\r\n","import easeInQuad from '../lang/easeInQuad'\r\nimport isFunction from '../types/isFunction'\r\nimport _getScrollElement from './_getScrollElement'\r\n\r\n/**\r\n * 指定 rootElement DOM 节点滚动到指定 top 位置\r\n * ========================================================================\r\n * @method scrollTo\r\n * @param {HTMLElement|Object} [scrollElement] - （必须）要滚动的 DOM 节点\r\n * @param {Number} top - （必须）滚动的 scrollTop 数值\r\n * @param {Function} [afterStop] - （可选）滚动完成的回调函数\r\n */\r\nconst scrollTo = (scrollElement, top, afterStop) => {\r\n const $scrollElement = _getScrollElement(scrollElement)\r\n let scrollTop = $scrollElement.scrollTop\r\n let step = 0\r\n const distance = top - scrollTop\r\n const MAX_HEIGHT = $scrollElement.scrollHeight\r\n const MAX_TOP = top - MAX_HEIGHT <= 0 ? top : MAX_HEIGHT\r\n const stop = (top) => {\r\n if (isFunction(afterStop)) {\r\n afterStop(top)\r\n }\r\n\r\n return false\r\n }\r\n const play = () => {\r\n step += 1\r\n\r\n // 向上滚动\r\n if (distance < 0) {\r\n scrollTop -= easeInQuad(step)\r\n $scrollElement.scrollTop = scrollTop\r\n\r\n if (scrollTop <= top) {\r\n $scrollElement.scrollTop = top\r\n return stop(top)\r\n }\r\n } else {\r\n scrollTop += easeInQuad(step)\r\n $scrollElement.scrollTop = scrollTop\r\n\r\n if (scrollTop >= MAX_TOP) {\r\n $scrollElement.scrollTop = MAX_TOP\r\n return stop(MAX_TOP)\r\n }\r\n }\r\n\r\n requestAnimationFrame(play)\r\n }\r\n\r\n requestAnimationFrame(play)\r\n}\r\n\r\nexport default scrollTo\r\n","import isFunction from '../types/isFunction'\r\n\r\n/**\r\n * later - 延迟执行方法\r\n * ========================================================================\r\n * @method later\r\n * @param {Function} fn\r\n * @param {Number} [delay]\r\n * @returns {number|boolean}\r\n */\r\nconst later = (fn, delay = 300) => {\r\n if (!isFunction(fn)) {\r\n return false\r\n }\r\n\r\n return setTimeout(() => {\r\n fn()\r\n }, delay)\r\n}\r\n\r\nexport default later\r\n","/**\r\n * 停止事件（阻止默认行为和阻止事件的捕获或冒泡）\r\n * ========================================================================\r\n * @method stop\r\n * @param {Event} evt - 事件对象\r\n *\r\n * @example\r\n *
\r\n * Service\r\n * Help\r\n *
\r\n *\r\n * const $nav = document.querySelector('#nav')\r\n * const $service = document.querySelector('.anchor')\r\n *\r\n * on($nav, 'click', function(evt) {\r\n * console.log('你点击了导航栏')\r\n * })\r\n *\r\n * on($anchor, 'click', function(evt) {\r\n * console.log('tagName', this.tagName)\r\n *\r\n * // 工作台输出：'a'\r\n * // 不会触发事件冒泡，输出：'你点击了导航栏'\r\n * // 也不会切换到 href 属性的页面，阻止了点击链接的默认行为\r\n * stopEvent(evt)\r\n * })\r\n */\r\nconst stop = function (evt) {\r\n evt.stopPropagation()\r\n evt.preventDefault()\r\n}\r\n\r\nexport default 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\ No newline at end of file diff --git a/api/pug/fixed.pug b/api/pug/fixed.pug index 79efaebe..db52b34a 100644 --- a/api/pug/fixed.pug +++ b/api/pug/fixed.pug @@ -58,4 +58,7 @@ html(lang='en') $header.classList.add(HEADER_STICKY) } } + defaults.afterScroll = function(top) { + console.log('top', top) + } outline = new Outline(Outline.DEFAULTS) diff --git a/api/pug/methods.pug b/api/pug/methods.pug index 84a25b95..902ccc18 100644 --- a/api/pug/methods.pug +++ b/api/pug/methods.pug @@ -24,6 +24,8 @@ ul.aside__list a.aside__anchor(href="#option-homepage") homepage li.aside__item a.aside__anchor(href="#option-customClass") customClass + li.aside__item + a.aside__anchor(href="#option-afterScroll") afterScroll li.aside__item a.aside__anchor(href="#option-afterSticky") afterSticky li.aside__item diff --git a/api/pug/options/afterScroll.pug b/api/pug/options/afterScroll.pug new file mode 100644 index 00000000..2ef5806d --- /dev/null +++ b/api/pug/options/afterScroll.pug @@ -0,0 +1,52 @@ +section.section + header.section__header + h3#option-afterScroll.section__h3 afterScroll + div.section__content + h4.section__h4 Description + dl.section__dl + dt.section__dt Type： + dd.section__dd Function + dl.section__dl + dt.section__dt Default： + dd.section__dd null + p 可选，当点击导航菜单、文章中的 anchor 图标（#）或者上下滚动按钮会触发滚动，afterScroll() 回调函数会在滚动结束后触发执行。 + h4.section__h4 Parameters + h5.section__h4 target + dl.section__dl + dt.section__dt Type： + dd.section__dd String + p afterScroll() 回调函数有一个参数 target，返回的是当前点击的 DOM 元素的名称： + ul + li 'anchor'：表示点击的是 anchor 图标，即文章中标题前的 “#” 图标，此时的 this 上下文指向 outline.anchors； + li 'chapter'：表示点击的是导航菜单的链接，此时的 this 上下文指向 outline.chapters； + li 'up'：表示点击的是工具栏的向上按钮，此时的 this 上下文指向 outline.toolbar； + li 'down'：表示点击的是工具栏的向下按钮，此时的 this 上下文指向 outline.toolbar； + p 注意：因为配置 afterScroll 回调函数会因为 4 个不同的 DOM 触发，所以需要根据 target 返回的值和此时的 this 指向判断处理。 + pre.section__pre + code.section__code. + const defaults = Outline.DEFAULTS + let outline + + defaults.position = 'fixed' + defaults.parentElement = '#aside' + defaults.stickyHeight = 86 + defaults.homepage = './index.html' + defaults.afterScroll = function(target) { + // 当然，如果你希望无论是点击什么都执行，就不需要判断了 + // 直接些通用的滚动结束的逻辑即可 + switch(target){ + case 'anchor': + // 针对点击 # 的处理逻辑 + break + case 'chapter': + // 针对点击导航菜单的处理逻辑 + break + case 'up': + // 针对点击向上滚动按钮的处理逻辑 + break + case 'down': + // 针对点击向下滚动按钮的处理逻辑 + break + } + } + outline = new Outline(Outline.DEFAULTS) diff --git a/api/pug/options/section.pug b/api/pug/options/section.pug index 7a398e76..3b3f3e51 100644 --- a/api/pug/options/section.pug +++ b/api/pug/options/section.pug @@ -14,5 +14,6 @@ section.section include anchorURL include homepage include customClass + include afterScroll include afterSticky include afterToggle diff --git a/chapters.min.js b/chapters.min.js index 6fb0ed59..68a102ad 100644 --- a/chapters.min.js +++ b/chapters.min.js @@ -1,2 +1,2 @@ -!function(t,e){"object"==typeof exports&&"undefined"!=typeof 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e=t,s=t.lastIndexOf(".");for(;-1!==s;)e=e.substring(0,s),s=e.lastIndexOf("."),r(e);r(t),r("*")};if(!A(t))return!1;i?setTimeout(l,10):l()};class L extends l{constructor(t){super(),this.attrs=L.DEFAULTS,this.$el=null,this.$title=null,this.$main=null,this.$list=null,this.$placeholder=null,this.$parentElement=null,this.$scrollElement=null,this.chapters=[],this.closed=!1,this.active=0,this.offsetTop=0,this.offsetWidth=0,this.$active=null,this.scrollTimer=null,this.resizeTimer=null,this.playing=!1,t&&this.initialize(t)}initialize(e){let s,r,l,o;return this.attr(e),s=this.attr("created"),r=this.attr("parentElement"),l=this.attr("scrollElement"),t(r)?o=document.querySelector(r):n(r)&&(o=r),this.$parentElement=o,this.$scrollElement=b(l),this.chapters=this.attr("chapters"),this.closed=this.attr("closed"),this.active=this.attr("active"),i(s)&&s.call(this),this.chapters.length<1||(this.render().addListeners(),this.$active=document.querySelector(`#chapter-${this.active}`)),this}isClosed(){return this.closed}isSticky(){return"sticky"===this.attr("position")}isFixed(){return"fixed"===this.attr("position")}isInside(){return this.isFixed()||this.isSticky()}isOutside(){return!this.isInside()}_paintEdge(){const t=this.attr("title"),e=this.attr("customClass"),s=this.$parentElement,i=[];let r,l,n,o,a=null;return s?(this.isInside()&&(a=$("h2",{className:"outline-chapters__title"},[t]),this.$title=a,i.push(a)),n=$("ul",{className:"outline-chapters__list outline-chapters_fixed outline-chapters_hidden"},[""]),this.$list=n,o=$("div",{className:"outline-chapters__placeholder"},[""]),this.$placeholder=o,l=$("div",{className:"outline-chapters__main"},[n,o]),this.$main=l,i.push(l),r=$("nav",{id:"outline-chapters",className:"outline-chapters"},i),this.$el=r,this.isSticky()&&(this.calculateStickyHeight(),E(r,"outline-chapters_sticky")),e&&E(r,e),s.appendChild(r),this):this}render(){const t=this.attr("showCode"),e=this.attr("mounted");let s,r;return this.$parentElement?(this._paintEdge(),r=this.$list,((t,e,s=!1)=>{const i=t=>document.getElementById(t);e.forEach((e=>{const r=e.pid,l=e.id,n=e.rel,o=$("span",{className:"outline-chapters__text"},[e.text]),a=$("a",{id:`chapter__anchor-${l}`,className:"outline-chapters__anchor",href:"#"+n,rel:n,"data-id":l},[o]);let c,h,u,d;s&&(c=$("span",{className:"outline-chapters__code","data-id":l},[e.code]),a.insertBefore(c,a.firstChild)),h=$("li",{id:`chapter-${l}`,className:"outline-chapters__item","data-id":l},[a]),-1===r?t.appendChild(h):(d=i(`chapter-${r}`),u=i(`subject-${r}`),u?u.appendChild(h):(u=$("ul",{id:"subject-"+r,className:"outline-chapters__subject"},[h]),d.appendChild(u)))}))})(r,this.chapters,t),v(r,"outline-chapters_fixed"),v(r,"outline-chapters_hidden"),s=this.$el,this.offsetTop=x(s),this.offsetWidth=s.offsetWidth,this.isFixed()&&(this.sticky(),S("--outline-chapters-width",`${this.offsetWidth}px`)),i(e)&&e.call(this),this.onObserver(),this):this}highlight(t){const e=this.$el.querySelector(`#chapter__anchor-${t}`),s="outline-chapters_active",i=this.$placeholder;let r;return this.$active&&v(this.$active,s),this.active=parseInt(e.getAttribute("data-id"),10),this.$active=e,E(this.$active,s),r=30*this.active,i.style.top=`calc(0.5em + ${r}px)`,this}sticky(){const t=this.attr("afterSticky"),e="outline-chapters_fixed",s=this.$el,r=this.offsetTop,l=this.$scrollElement.scrollTop;let n;return this.isFixed()?(n=!!(l>=r),n?E(s,e):v(s,e),i(t)&&t.call(this,this.isClosed(),n),this):this}calculateStickyHeight(){const t=document.documentElement,e=Math.max(t.clientHeight||0,window.innerHeight||0);return S("--outline-sticky-height",`${e}px`),this}scrollTo(t,e){return((t,e,s)=>{const r=b(t);let l=r.scrollTop,n=0;const o=e-l,a=r.scrollHeight,c=e-a<=0?e:a,h=t=>(i(s)&&s(t),!1),u=()=>{if(n+=1,o<0){if(l-=T(n),r.scrollTop=l,l<=e)return r.scrollTop=e,h(e)}else if(l+=T(n),r.scrollTop=l,l>=c)return r.scrollTop=c,h(c);requestAnimationFrame(u)};requestAnimationFrame(u)})(this.$scrollElement,t,e),this}show(){const t="outline-chapters_folded",e="outline-chapters_hidden",s=this.attr("afterOpened"),r=this.$el,l=this.$parentElement;return this.isInside()?(v(l,e),v(r,e),o((()=>{v(l,t),v(r,t)}),30)):v(r,e),this.closed=!1,i(s)&&s.call(this),this}hide(){const t="outline-chapters_folded",e="outline-chapters_hidden",s=this.attr("afterClosed"),r=this.$el,l=this.$parentElement;return this.isInside()?(E(l,t),E(r,t),o((()=>{E(l,e),E(r,e)}))):E(r,e),this.closed=!0,i(s)&&s.call(this),this}toggle(){const t=this.attr("afterToggle"),e=this.offsetTop,s=this.$scrollElement.scrollTop;let r;return this.isClosed()?this.show():this.hide(),i(t)&&o((()=>{r=!!(s>=e),t.call(this,this.isClosed(),r)})),this}destroy(){const t=this.attr("beforeDestroy"),e=this.attr("afterDestroy");return i(t)&&t.call(this),this.removeListeners(),this.$parentElement.removeChild(this.$el),this.attr(L.DEFAULTS),this.$el=null,this.$title=null,this.$main=null,this.$list=null,this.$placeholder=null,this.$parentElement=null,this.$scrollElement=null,this.chapters=[],this.active=0,this.offsetTop=0,this.$active=null,this.closed=!1,this.scrollTimer&&(clearTimeout(this.scrollTimer),this.scrollTimer=null),this.resizeTimer&&(clearTimeout(this.resizeTimer),this.resizeTimer=null),i(e)&&e.call(this),this}onObserver(){let t=null;return((t,e={})=>{const s=e.root||null,r=e.selector||".outline-heading",l=e.context||null,o={rootMargin:e.rootMargin||"0px 0px -90% 0px"},a=new IntersectionObserver((e=>{e.forEach((e=>{e.intersectionRatio>0&&i(t)&&t.call(l||e.target,e.target)}))}),o),c=n(s)?s:document;s&&(o.root=s),c.querySelectorAll(r).forEach((t=>{a.observe(t)}))})((e=>{const s=e.getAttribute("data-id");if(this.playing)return!1;t&&clearTimeout(t),t=o((()=>{this.highlight(s)}),100)}),{context:this}),this}onSelect(t){const e=this.attr("stickyHeight"),s=t.delegateTarget,r=s.getAttribute("data-id"),l=s.href.split("#")[1],n=document.querySelector(`#${l}`),a=x(n)-(e+10),c=this.$scrollElement.scrollHeight,h=this.attr("afterScroll"),u=()=>{i(h)&&h.call(this,"chapter"),o((()=>{this.playing=!1,j("toolbar:update",{top:a,min:0,max:c})}))};return this.playing=!0,this.isFixed()?(this.sticky(),o((()=>{this.scrollTo(a,u),this.highlight(r)}),10)):(this.scrollTo(a,u),this.highlight(r)),function(t){t.stopPropagation(),t.preventDefault()}(t),this}onScroll(){const t=this.$scrollElement;return this.scrollTimer&&clearTimeout(this.scrollTimer),this.scrollTimer=o((()=>{const e=t.scrollTop,s=t.scrollHeight-t.clientHeight;this.isFixed()&&this.sticky(),j("toolbar:update",{top:e,min:0,max:s})}),50),this}onResize(){return this.resizeTimer&&clearTimeout(this.resizeTimer),this.resizeTimer=o((()=>{this.calculateStickyHeight()})),this}addListeners(){const t=this.$el,e=this.$scrollElement,s=e.tagName.toLowerCase();let i=e;return"html"!==s&&"body"!==s||(i=window),f(t,".outline-chapters__anchor","click",this.onSelect,this,!0),d(i,"scroll",this.onScroll,this,!0),this.isSticky()&&d(i,"resize",this.onResize,this,!0),this}removeListeners(){const t=this.$el,e=this.$scrollElement,s=e.tagName.toLowerCase();let i=e;return"html"!==s&&"body"!==s||(i=window),u(t,"click",this.onSelect),u(i,"scroll",this.onScroll),this.isSticky()&&d(i,"resize",this.onResize),this}}return L.DEFAULTS={parentElement:"",scrollElement:"",selector:"",active:0,closed:!1,showCode:!0,position:"relative",stickyHeight:0,chapters:[],created:null,mounted:null,afterClosed:null,afterOpened:null,afterScroll:null,beforeDestroy:null,afterDestroy:null,afterSticky:null},L})); //# sourceMappingURL=chapters.min.js.map diff --git a/chapters.min.js.map b/chapters.min.js.map index 0d904f1e..08b5facf 100644 --- a/chapters.min.js.map +++ b/chapters.min.js.map @@ -1 +1 @@ -{"version":3,"file":"chapters.min.js","sources":["src/utils/types/isString.js","src/utils/lang/hasOwn.js","src/utils/lang/toString.js","src/utils/types/isFunction.js","src/utils/types/isObject.js","src/base.js","src/utils/lang/extend.js","src/utils/types/isElement.js","src/utils/lang/later.js","src/utils/event/enum.js","src/utils/event/_off.js","src/utils/event/_delete.js","src/utils/event/purgeElement.js","src/utils/event/getListeners.js","src/utils/event/off.js","src/utils/event/at.js","src/utils/dom/matches.js","src/utils/dom/getParentOrHost.js","src/utils/event/on.js","src/utils/event/getTarget.js","src/utils/dom/resolveTextNode.js","src/utils/dom/closest.js","src/utils/types/isArray.js","src/utils/types/isDOM.js","src/utils/types/isHTMLCollection.js","src/utils/types/isFragment.js","src/utils/types/isTextNode.js","src/utils/dom/createElement.js","src/utils/dom/setAttribute.js","src/utils/lang/easeInQuad.js","src/utils/dom/_getScrollElement.js","src/utils/dom/hasClass.js","src/utils/dom/addClass.js","src/utils/dom/removeClass.js","src/utils/lang/trim.js","src/utils/dom/offsetTop.js","src/utils/dom/setProperty.js","src/utils/observer/_subscribers.js","src/utils/observer/_hasDirectSubscribersFor.js","src/utils/observer/has.js","src/utils/observer/_hasSubscribers.js","src/utils/observer/emit.js","src/utils/types/isTypedArray.js","src/chapters.js","src/_paintChapters.js","src/utils/dom/scrollTo.js","src/utils/dom/intersection.js","src/utils/event/stop.js"],"sourcesContent":["/**\r\n * 检测数据是否为 String 类型\r\n * ========================================================================\r\n * @method isArray\r\n * @param {*} str\r\n * @returns {boolean}\r\n */\r\nconst isString = (str) => {\r\n return typeof str === 'string'\r\n}\r\n\r\nexport default isString\r\n","/**\r\n * 检测对象自身属性中是否具有指定的属性。\r\n * ========================================================================\r\n * @method hasOwn\r\n * @param {Object} obj - （必须）检测的目标对象\r\n * @param {String} prop - （必须）属性名\r\n * @returns {Boolean}\r\n */\r\nconst hasOwn = (obj, prop) => {\r\n const hasOwnProperty = Object.prototype.hasOwnProperty\r\n return obj && hasOwnProperty.call(obj, prop)\r\n}\r\n\r\nexport default hasOwn\r\n","/**\r\n * Object 对象原型上的 toString 方法\r\n * ========================================================================\r\n * @method toString\r\n * @param {*} val\r\n * @returns {string}\r\n */\r\nconst toString = (val) => {\r\n return Object.prototype.toString.apply(val)\r\n}\r\n\r\nexport default toString\r\n","import toString from '../lang/toString'\r\n\r\n/**\r\n * 检测测试数据是否为 Function 类型\r\n * ========================================================================\r\n * @method isFunction\r\n * @param {*} val - （必须）待检测的数据\r\n * @returns {boolean} 'val' 是 Function 类型返回 true，否则返回 false\r\n */\r\nconst isFunction = (val) => {\r\n return typeof val === 'function' || toString(val) === '[object Function]'\r\n}\r\n\r\nexport default isFunction\r\n","import toString from '../lang/toString'\r\nimport isFunction from '../types/isFunction'\r\n\r\n/**\r\n * 检测数据是否为 Object 类型\r\n * ========================================================================\r\n * @method isObject\r\n * @param {*} o\r\n * @returns {boolean}\r\n */\r\nconst isObject = (o) => {\r\n return (\r\n (toString(o) === '[object Object]' ||\r\n typeof o === 'object' ||\r\n isFunction(o)) &&\r\n o !== null\r\n )\r\n}\r\n\r\nexport default isObject\r\n","import isString from './utils/types/isString'\r\nimport hasOwn from './utils/lang/hasOwn'\r\nimport isObject from './utils/types/isObject'\r\nimport extend from './utils/lang/extend'\r\n\r\nclass Base {\r\n constructor(options) {\r\n this.attrs = {}\r\n\r\n if (options) {\r\n this.initialize(options)\r\n }\r\n }\r\n\r\n initialize(options) {\r\n this.attr(options).render().addListeners()\r\n return this\r\n }\r\n\r\n attr(prop, value) {\r\n const attrs = this.attrs\r\n\r\n if (isString(prop)) {\r\n // 只能扩展 attrs 中已有的属性\r\n if (value && hasOwn(attrs, prop)) {\r\n // 更新单个配置信息\r\n attrs[prop] = value\r\n return this\r\n }\r\n\r\n // 只传递 prop 参数，则返回对应的属性值\r\n return attrs[prop]\r\n } else if (isObject(prop)) {\r\n // 批量更新配置信息\r\n extend(attrs, prop)\r\n\r\n return this\r\n } else if (arguments.length === 0) {\r\n // 不传递参数，直接返回整个\r\n return attrs\r\n }\r\n\r\n return this\r\n }\r\n\r\n render() {\r\n return this\r\n }\r\n\r\n destroy() {\r\n this.removeListeners()\r\n return this\r\n }\r\n\r\n reload(options) {\r\n this.destroy().initialize(this.attr(options))\r\n return this\r\n }\r\n\r\n addListeners() {\r\n return this\r\n }\r\n\r\n removeListeners() {\r\n return this\r\n }\r\n}\r\n\r\nexport default Base\r\n","import hasOwn from './hasOwn'\r\n\r\n/**\r\n * 扩展对象\r\n * ========================================================================\r\n * @method extend\r\n * @param {Object} origin\r\n * @param {Object} source\r\n */\r\nconst extend = (origin, source) => {\r\n const keys = Object.keys(source)\r\n\r\n keys.forEach((prop) => {\r\n if (hasOwn(source, prop)) {\r\n origin[prop] = source[prop]\r\n }\r\n })\r\n}\r\n\r\nexport default extend\r\n","import isObject from './isObject'\r\n\r\n/**\r\n * 检测数据是否为 HTMLElement DOM 节点\r\n * ========================================================================\r\n * @method isElement\r\n * @param {*} o\r\n * @returns {boolean}\r\n */\r\nconst isElement = (o) => {\r\n return !!(isObject(o) && o.nodeName && o.tagName && o.nodeType === 1)\r\n}\r\n\r\nexport default isElement\r\n","import isFunction from '../types/isFunction'\r\n\r\n/**\r\n * later - 延迟执行方法\r\n * ========================================================================\r\n * @method later\r\n * @param {Function} fn\r\n * @param {Number} [delay]\r\n * @returns {number|boolean}\r\n */\r\nconst later = (fn, delay = 300) => {\r\n if (!isFunction(fn)) {\r\n return false\r\n }\r\n\r\n return setTimeout(() => {\r\n fn()\r\n }, delay)\r\n}\r\n\r\nexport default later\r\n","export const CAPTURE_EVENTS = [\r\n 'focusout',\r\n 'blur',\r\n 'focusin',\r\n 'focus',\r\n 'load',\r\n 'unload',\r\n 'mouseenter',\r\n 'mouseleave'\r\n]\r\n","import { CAPTURE_EVENTS } from './enum'\r\nimport _delete from './_delete'\r\n\r\n/**\r\n * （私有方法）取消 type 类型的代理事件绑定\r\n * ========================================================================\r\n * 如果没有设置 handler，则销毁 this.$options 绑定的所有符合 type 事件类型的事件绑定\r\n * ========================================================================\r\n * @method _off\r\n * @param {HTMLElement} el - （必须）取消事件绑定的 DOM 元素\r\n * @param {String} type - （必须）事件类型\r\n * @param {Function} fn - （必须）事件处理器回调函数\r\n * @private\r\n */\r\nconst _off = (el, type, fn) => {\r\n const capture = CAPTURE_EVENTS.indexOf(type) > -1\r\n\r\n /* istanbul ignore else */\r\n if (fn._delegateListener) {\r\n fn = fn._delegateListener\r\n delete fn._delegateListener\r\n }\r\n\r\n // 移除缓存的 _listeners 数据\r\n _delete(el, type, fn)\r\n\r\n el.removeEventListener(type, fn, capture)\r\n}\r\n\r\nexport default _off\r\n","/**\r\n * 删除 DOM 元素缓存的 _listeners 数据\r\n * ========================================================================\r\n * @method _delete\r\n * @param {HTMLElement} el - 要删除 listener 的 DOM 元素\r\n * @param {String} type - 事件类型（名称）\r\n * @param {Function} [fn] - 事件处理器回调函数\r\n */\r\nconst _delete = function (el, type, fn) {\r\n const listeners = el._listeners\r\n let index = -1\r\n\r\n if (listeners.length < 1) {\r\n return false\r\n }\r\n\r\n // 移除缓存的 _listeners 数据\r\n listeners.forEach((listener, i) => {\r\n const handler = listener.fn\r\n\r\n if (type === listener.type) {\r\n index = i\r\n\r\n if (handler === fn) {\r\n index = i\r\n }\r\n }\r\n })\r\n\r\n /* istanbul ignore else */\r\n if (index > -1) {\r\n listeners.splice(index, 1)\r\n }\r\n}\r\n\r\nexport default _delete\r\n","import isString from '../types/isString'\r\nimport isElement from '../types/isElement'\r\nimport getListeners from './getListeners'\r\nimport _off from './_off'\r\n\r\n/**\r\n * 销毁（type 类型的）代理事件绑定\r\n * ========================================================================\r\n * 1. 设置了事件类型 type，则销毁指定类型的事件绑定，否则清除所有代理事件绑定\r\n * 2. recurse 设置为 true，递归销毁子节点全部事件绑定\r\n * ========================================================================\r\n * @method purgeElement\r\n * @param {HTMLElement|String} el - （必须）DOM 元素或者其选择器\r\n * @param {String|Boolean} type - （必须）事件类型\r\n * @param {Boolean} [recurse] - （可选）是否递归销毁子节点所有事件绑定\r\n */\r\nconst purgeElement = function (el, type, recurse = false) {\r\n const $element = isString(el) ? document.querySelector(el) : el\r\n const $children = $element.childNodes\r\n const listeners = getListeners($element, type)\r\n\r\n listeners.forEach((listener) => {\r\n _off($element, listener.type, listener.fn)\r\n })\r\n\r\n if (\r\n (recurse || type === true || arguments.length === 1) &&\r\n $element &&\r\n $children\r\n ) {\r\n $children.forEach(($child) => {\r\n if (isElement($child)) {\r\n purgeElement($child, type, recurse)\r\n }\r\n })\r\n }\r\n}\r\n\r\nexport default purgeElement\r\n","import isString from '../types/isString'\r\n\r\n/**\r\n * 获取 DOM 元素（type 事件类型）事件绑定信息\r\n * ========================================================================\r\n * 如果设置了事件类型 type， 则返回指定类型的事件绑定信息，否则返回所有事件绑定信息\r\n * ========================================================================\r\n * @methods getListeners\r\n * @param {HTMLElement} el - （必须）要获取事件绑定信息的 DOM 元素\r\n * @param {String} [type] - （可选）事件类型\r\n * @returns {Array} - 已绑定的事件信息\r\n */\r\nconst getListeners = (el, type) => {\r\n let listeners = el._listeners || []\r\n\r\n if (isString(type) && type) {\r\n listeners = listeners.filter((listener) => {\r\n return listener.type === type\r\n })\r\n }\r\n\r\n return listeners\r\n}\r\n\r\nexport default getListeners\r\n","import purgeElement from './purgeElement'\r\nimport isFunction from '../types/isFunction'\r\nimport _off from './_off'\r\n\r\n/**\r\n * 取消 type 类型的代理事件绑定\r\n * ========================================================================\r\n * 如果没有设置 handler，则销毁 this.$options 绑定的所有符合 type 事件类型的事件绑定\r\n * ========================================================================\r\n * @method off\r\n * @param {HTMLElement} el - （必须）取消事件绑定的 DOM 元素\r\n * @param {String} type - （必须）事件类型\r\n * @param {Function} [fn] - （可选）事件处理器回调函数\r\n */\r\nconst off = (el, type, fn) => {\r\n // 如果不设置 fn 参数，默认清除 el 元素上绑定的所有事件处理器\r\n if (!isFunction(fn)) {\r\n return purgeElement(el, type)\r\n }\r\n\r\n _off(el, type, fn)\r\n}\r\n\r\nexport default off\r\n","import isFunction from '../types/isFunction'\r\nimport off from './off'\r\n\r\nimport { CAPTURE_EVENTS } from './enum'\r\n\r\n/**\r\n * 绑定事件\r\n * ========================================================================\r\n * @method at\r\n * @param {HTMLElement|String|Object} el - （必须）绑定代理事件的 DOM 节点\r\n * @param {String|Function} type - （必须）事件类型或者事件处理器回调函数\r\n * @param {Function|Object} fn - （必须） 事件处理器回调函数或者传递给事件处理器回调函数的数据对象\r\n * @param {Object|Boolean} [data] - （可选）传递给事件处理器回调函数的数据对象或者事件处理器回调函数的 this 上下文指向，\r\n * @param {Object|Boolean} [context] - （可选）事件处理器回调函数的 this 上下文指向，或者是否仅触发一次\r\n * 当设置为 true 时，则事件处理器回调函数的 this 上下文指向为 data 对象\r\n * @param {Boolean} once - （可选）是否仅触发一次\r\n */\r\nconst at = (el, type, fn, data, context, once = false) => {\r\n // CAPTURE_EVENTS 中的特殊事件，采用事件捕获模型\r\n const capture = CAPTURE_EVENTS.indexOf(type) > -1\r\n const listener = function (evt) {\r\n let overrideContext = context || el\r\n\r\n // 当设置为 true 时，则事件处理器回调函数的\r\n // this 上下文指向为 data 对象\r\n if (context === true) {\r\n overrideContext = data\r\n }\r\n\r\n // 仅触发一次\r\n /* istanbul ignore else */\r\n if (once === true) {\r\n off(el, type, listener)\r\n }\r\n\r\n fn.call(overrideContext, evt, data)\r\n }\r\n\r\n if (!isFunction(fn)) {\r\n return false\r\n }\r\n\r\n if (!el._listeners) {\r\n el._listeners = []\r\n }\r\n\r\n // 缓存 options 元素绑定的事件处理器\r\n el._listeners.push({\r\n el,\r\n type,\r\n fn: listener,\r\n data,\r\n context,\r\n capture\r\n })\r\n\r\n // 缓存包装后的事件处理器\r\n fn._delegateListener = listener\r\n\r\n el.addEventListener(type, listener, capture)\r\n}\r\n\r\nexport default at\r\n","/**\r\n * 获取 options 节点下匹配 selector 选择器的 DOM 节点\r\n * ========================================================================\r\n * Element.matches() 方法可以用来判断 DOM 元素是否与给定的选择器匹配，事件代理判断是\r\n * 否触发绑定的代理事件回调函数，关键就是使用 Element.matches() 辨别当前事件触发的目\r\n * 标 DOM 元素是否为事件代理所期望触发的目标。\r\n * ========================================================================\r\n * @method matches\r\n * @see https://developer.mozilla.org/en-US/docs/web/api/element/matches\r\n * @param {HTMLElement} el - （必须）DOM 元素\r\n * @param {String} selector - （必须）匹配 DOM 元素的选择器\r\n * @returns {Boolean}\r\n */\r\nconst matches = (el, selector = '') => {\r\n const sel = selector.replace(/^>/i, '')\r\n\r\n if (!selector || !sel || !el) {\r\n return false\r\n }\r\n\r\n /* istanbul ignore else */\r\n if (el.matches) {\r\n return el.matches(sel)\r\n } else if (el.msMatchesSelector) {\r\n return el.msMatchesSelector(sel)\r\n } else {\r\n return false\r\n }\r\n}\r\n\r\nexport default matches\r\n","/**\r\n * 获取 DOM 元素的父节点\r\n * ========================================================================\r\n * @method getParentOrHost\r\n * @param {*|HTMLElement} el - （必须）要获取父节点的 DOM 元素\r\n * @returns {*|HTMLElement}\r\n */\r\nconst getParentOrHost = (el) => {\r\n return el.host && el !== document && el.host.nodeType\r\n ? el.host\r\n : el.parentNode\r\n}\r\n\r\nexport default getParentOrHost\r\n","import closest from '../dom/closest'\r\nimport off from './off'\r\nimport getTarget from './getTarget'\r\n\r\nimport { CAPTURE_EVENTS } from './enum'\r\n\r\n/**\r\n * 绑定代理事件\r\n * ========================================================================\r\n * @method on\r\n * @param {HTMLElement|String|Object} el - （必须）绑定代理事件的 DOM 节点\r\n * @param {String} selector - （必须）事件代理目标 DOM 元素的选择器\r\n * @param {String|Function} type - （必须）事件类型或者事件处理器回调函数\r\n * @param {Function|Object} fn - （可选） 事件处理器回调函数或者传递给事件处理器回调函数的数据对象\r\n * @param {Object|Boolean} [data] - （可选）传递给事件处理器回调函数的数据对象或者事件处理器回调函数的 this 上下文指向，\r\n * @param {Object|Boolean} [context] - （可选）事件处理器回调函数的 this 上下文指向，或者是否仅触发一次\r\n * 当设置为 true 时，则事件处理器回调函数的 this 上下文指向为 data 对象\r\n * @param {Boolean} once - （可选）是否仅触发一次\r\n */\r\nconst on = (el, selector, type, fn, data, context, once = false) => {\r\n // CAPTURE_EVENTS 中的特殊事件，采用事件捕获模型\r\n const capture = CAPTURE_EVENTS.indexOf(type) > -1\r\n\r\n const listener = function (evt) {\r\n const target = getTarget(evt)\r\n // 通过 Element.matches 方法获得点击的目标元素\r\n const delegateTarget = closest(target, selector, el)\r\n let overrideContext = context || el\r\n\r\n evt.delegateTarget = delegateTarget\r\n\r\n // 当设置为 true 时，则事件处理器回调函数的\r\n // this 上下文指向为 data 对象\r\n if (context === true) {\r\n overrideContext = data\r\n }\r\n\r\n /* istanbul ignore else */\r\n if (delegateTarget) {\r\n // 仅触发一次\r\n /* istanbul ignore else */\r\n if (once === true) {\r\n off(el, type, listener)\r\n }\r\n\r\n fn.call(overrideContext, evt, data)\r\n }\r\n }\r\n\r\n if (!el._listeners) {\r\n el._listeners = []\r\n }\r\n\r\n // 缓存 options 元素绑定的事件处理器\r\n el._listeners.push({\r\n el,\r\n selector,\r\n type,\r\n fn: listener,\r\n data,\r\n context,\r\n capture\r\n })\r\n\r\n // 缓存包装后的事件处理器\r\n fn._delegateListener = listener\r\n\r\n el.addEventListener(type, listener, capture)\r\n}\r\n\r\nexport default on\r\n","import resolveTextNode from '../dom/resolveTextNode'\r\n\r\n/**\r\n * 返回触发事件的 target DOM 元素\r\n * ========================================================================\r\n * @method getTarget\r\n * @param {Event} evt - Event 对象\r\n * @return {HTMLElement} - Event 对象的 target DOM 元素\r\n */\r\nconst getTarget = function (evt) {\r\n const target = evt.target\r\n\r\n return resolveTextNode(target)\r\n}\r\n\r\nexport default getTarget\r\n","/**\r\n * 在某些情况下，某些浏览器（例如：Safari 浏览器）会返回实际的目标元素内部的文本节点。\r\n * resolveTextNode() 方法则会返回实际的目标节点。\r\n * ========================================================================\r\n * @method resolveTextNode\r\n * @param {HTMLElement|Text} el - 要解析的节点\r\n * @return {*|HTMLElement} - 实际的目标 DOM 节点\r\n */\r\nconst resolveTextNode = function (el) {\r\n if (el && el.nodeType === 3) {\r\n return el.parentNode\r\n }\r\n\r\n return el\r\n}\r\n\r\nexport default resolveTextNode\r\n","import matches from './matches'\r\nimport getParentOrHost from './getParentOrHost'\r\n\r\n/**\r\n * 获取 options 元素父元素最近的包含 selector 选择器的元素\r\n * ========================================================================\r\n * @method closest\r\n * @param {HTMLElement} el - （必须）DOM 元素\r\n * @param {String} selector - （必须）DOM 元素的选择其\r\n * @param {HTMLElement} [ctx] - （必须）比对的 DOM 元素\r\n * @param {Boolean} [includeCTX] - （必须）是否包含 context DOM 元素\r\n * @returns {null|HTMLElement} - 返回最接近的 DOM 元素\r\n */\r\nconst closest = (el, selector, ctx, includeCTX) => {\r\n const context = ctx || document\r\n\r\n if (!el) {\r\n return null\r\n }\r\n\r\n do {\r\n /* istanbul ignore else */\r\n if (\r\n (selector != null &&\r\n (selector[0] === '>'\r\n ? el.parentNode === context && matches(el, selector)\r\n : matches(el, selector))) ||\r\n (includeCTX && el === context)\r\n ) {\r\n return el\r\n }\r\n\r\n /* istanbul ignore else */\r\n if (el === context) {\r\n break\r\n }\r\n\r\n /* jshint boss:true */\r\n } while ((el = getParentOrHost(el)))\r\n}\r\n\r\nexport default closest\r\n","import toString from '../lang/toString'\r\n\r\n/**\r\n * 检测数据是否为 Array 类型\r\n * ========================================================================\r\n * @method isArray\r\n * @param {*} o\r\n * @returns {boolean}\r\n */\r\nconst isArray = (o) => {\r\n if (Array.isArray) {\r\n return Array.isArray(o)\r\n } else {\r\n return toString(o) === '[object Array]'\r\n }\r\n}\r\n\r\nexport default isArray\r\n","import isObject from './isObject'\r\nimport isElement from './isElement'\r\nimport isHTMLCollection from './isHTMLCollection'\r\nimport isFragment from './isFragment'\r\nimport isTextNode from './isTextNode'\r\n\r\nconst isDOM = (el) => {\r\n return !!(\r\n isObject(el) &&\r\n (isElement(el) || isHTMLCollection(el) || isFragment(el) || isTextNode(el))\r\n )\r\n}\r\n\r\nexport default isDOM\r\n","import toString from '../lang/toString'\r\nimport isObject from './isObject'\r\n\r\nconst isHTMLCollection = (el) => {\r\n return !!(isObject(el) && toString(el) === '[object NodeList]')\r\n}\r\n\r\nexport default isHTMLCollection\r\n","import toString from '../lang/toString'\r\nimport isObject from './isObject'\r\n\r\nconst isFragment = (fragment) => {\r\n return !!(\r\n isObject(fragment) && toString(fragment) === '[object DocumentFragment]'\r\n )\r\n}\r\n\r\nexport default isFragment\r\n","import toString from '../lang/toString'\r\nimport isObject from './isObject'\r\n\r\nconst isTextNode = (el) => {\r\n return !!(\r\n isObject(el) &&\r\n (toString(el) === '[object Text]' || (el.tagName && el.nodeType === 3))\r\n )\r\n}\r\n\r\nexport default isTextNode\r\n","import hasOwn from '../lang/hasOwn'\r\nimport isObject from '../types/isObject'\r\nimport isString from '../types/isString'\r\nimport isArray from '../types/isArray'\r\nimport isDOM from '../types/isDOM'\r\nimport setAttribute from './setAttribute'\r\n\r\n/**\r\n * 创建 DOM 节点，并添加属性和子节点\r\n * ========================================================================\r\n * @method createElement\r\n * @param {String} tagName - 标签名称\r\n * @param {Object|Array} attrs - 属性对象或者子节点\r\n * @param {Array} [children] - 子节点数组\r\n * @returns {HTMLElement}\r\n */\r\nconst createElement = (tagName, attrs, children) => {\r\n const $fragment = document.createDocumentFragment()\r\n const $el = document.createElement(tagName)\r\n const isValidChild = (child) => {\r\n return isDOM(child) || isString(child)\r\n }\r\n const append = (child) => {\r\n let $child\r\n\r\n if (!isValidChild(child)) {\r\n return false\r\n }\r\n\r\n if (isDOM(child)) {\r\n $child = child\r\n } else if (isString(child)) {\r\n $child = document.createTextNode(child)\r\n }\r\n\r\n $fragment.appendChild($child)\r\n }\r\n\r\n if (isObject(attrs)) {\r\n Object.keys(attrs).forEach((attr) => {\r\n if (hasOwn(attrs, attr)) {\r\n setAttribute($el, attr, attrs[attr])\r\n }\r\n })\r\n } else if (isArray(attrs) && attrs.every((attr) => isValidChild(attr))) {\r\n attrs.forEach((child) => {\r\n append(child)\r\n })\r\n }\r\n\r\n if (isArray(children)) {\r\n children.forEach((child) => {\r\n append(child)\r\n })\r\n } else {\r\n append(children)\r\n }\r\n\r\n $el.appendChild($fragment)\r\n\r\n return $el\r\n}\r\n\r\nexport default createElement\r\n","/**\r\n * 给 DOM 节点设置属性/值\r\n * ========================================================================\r\n * @method setAttribute\r\n * @param {HTMLElement} el - DOM 节点\r\n * @param {String} attr - 属性名称\r\n * @param {String|Number|Boolean} value - 属性值\r\n */\r\nconst setAttribute = (el, attr, value) => {\r\n let tagName = el.tagName.toLowerCase()\r\n\r\n switch (attr) {\r\n case 'style':\r\n el.style.cssText = value\r\n break\r\n case 'value':\r\n if (tagName === 'input' || tagName === 'textarea') {\r\n el.value = value\r\n } else {\r\n el.setAttribute(attr, value)\r\n }\r\n break\r\n case 'className':\r\n el.className = value\r\n break\r\n default:\r\n el.setAttribute(attr, value)\r\n break\r\n }\r\n}\r\n\r\nexport default setAttribute\r\n","/**\r\n * 返回给定值的平方值\r\n * ========================================================================\r\n * @method easeInQuad\r\n * @param {Number} x\r\n * @returns {number}\r\n */\r\nconst easeInQuad = (x) => {\r\n return x * x\r\n}\r\n\r\nexport default easeInQuad\r\n","import isString from '../types/isString'\r\nimport isElement from '../types/isElement'\r\n\r\n/**\r\n * 通过给的 scrollElement 参数，获取滚动 DOM 元素\r\n * ========================================================================\r\n * @method _getScrollElement\r\n * @param {String|HTMLElement} scrollElement\r\n * @returns {Element}\r\n * @private\r\n */\r\nconst _getScrollElement = (scrollElement = null) => {\r\n let $rootElements\r\n let $scrollElement\r\n\r\n if (!scrollElement) {\r\n $rootElements = document.querySelectorAll('html,body')\r\n $scrollElement =\r\n $rootElements[0].scrollTop - $rootElements[1].scrollTop >= 0\r\n ? $rootElements[0]\r\n : $rootElements[1]\r\n } else {\r\n if (isString(scrollElement)) {\r\n $scrollElement = document.querySelector(scrollElement)\r\n } else if (isElement(scrollElement)) {\r\n $scrollElement = scrollElement\r\n }\r\n }\r\n\r\n return $scrollElement\r\n}\r\n\r\nexport default _getScrollElement\r\n","import isElement from '../types/isElement'\r\n/**\r\n * 检测 DOM 节点是否包含名为 className 的样式\r\n * ========================================================================\r\n * @method hasClass\r\n * @param {HTMLElement} el - DOM 节点\r\n * @param {String} className - 样式名称\r\n * @returns {Boolean}\r\n */\r\nconst hasClass = (el, className) => {\r\n const pattern = new RegExp('(\\\\s|^)' + className + '(\\\\s|$)')\r\n let allClass\r\n let classList\r\n\r\n if (!isElement(el)) {\r\n return false\r\n }\r\n\r\n allClass = el.className\r\n\r\n if (!allClass) {\r\n return false\r\n }\r\n\r\n classList = el.classList\r\n\r\n if (classList?.contains) {\r\n return el.classList.contains(className)\r\n }\r\n\r\n return !!allClass.match(pattern)\r\n}\r\n\r\nexport default hasClass\r\n","import hasClass from './hasClass'\r\n\r\n/**\r\n * 给 DOM 节点添加名为 className 的样式\r\n * ========================================================================\r\n * @method addClass\r\n * @param {HTMLElement} el - DOM 节点\r\n * @param {String} className - 样式名称\r\n * @returns {Boolean}\r\n */\r\nconst addClass = (el, className) => {\r\n let classList\r\n let allClass\r\n\r\n if (hasClass(el, className)) {\r\n return false\r\n }\r\n\r\n classList = el.classList\r\n\r\n if (classList?.add) {\r\n classList.add(className)\r\n } else {\r\n allClass = el.className\r\n allClass += allClass.length > 0 ? ' ' + className : className\r\n el.className = allClass\r\n }\r\n}\r\n\r\nexport default addClass\r\n","import trim from '../lang/trim'\r\nimport hasClass from './hasClass'\r\n\r\n/**\r\n * 移除 DOM 节点的 className 样式\r\n * ========================================================================\r\n * @method removeClass\r\n * @param {HTMLElement} el - DOM 节点\r\n * @param {String} className - 样式名称\r\n * @returns {Boolean}\r\n */\r\nconst removeClass = (el, className) => {\r\n let allClass = el.className\r\n let classList\r\n\r\n if (!allClass || !hasClass(el, className)) {\r\n return false\r\n }\r\n\r\n classList = el.classList\r\n\r\n if (classList?.remove) {\r\n classList.remove(className)\r\n } else {\r\n allClass = trim(allClass.replace(className, ''))\r\n el.className = allClass\r\n }\r\n}\r\n\r\nexport default removeClass\r\n","import isString from '../types/isString'\r\n\r\n/**\r\n * 清楚字符串起始位置所有的空格\r\n * ========================================================================\r\n * @method trim\r\n * @param {string} str\r\n * @returns {string|Boolean}\r\n */\r\nconst trim = (str) => {\r\n if (!isString(str)) {\r\n return false\r\n }\r\n return str.replace(/^\\s+|\\s+$/g, '')\r\n}\r\n\r\nexport default trim\r\n","/**\r\n * 获取 DOM 节点相对于窗口的 left （纵坐标）值\r\n * ========================================================================\r\n * @method offsetTop\r\n * @param {HTMLElement} el - DOM 节点\r\n * @returns {Number}\r\n */\r\nconst offsetTop = (el) => {\r\n let top = el.offsetTop\r\n\r\n if (el.offsetParent !== null) {\r\n top += offsetTop(el.offsetParent)\r\n }\r\n\r\n return top\r\n}\r\n\r\nexport default offsetTop\r\n","const setProperty = (prop, value) => {\r\n const documentElement = document.documentElement\r\n documentElement.style.setProperty(prop, value)\r\n}\r\n\r\nexport default setProperty\r\n","/**\r\n * 存储订阅者（主题和处理器的）私有对象\r\n * ========================================================================\r\n * @type {{}}\r\n * @private\r\n */\r\nconst _subscribers = {}\r\n\r\nexport default _subscribers\r\n","import _subscribers from './_subscribers'\r\nimport hasOwn from '../lang/hasOwn'\r\n\r\n/**\r\n * 判断是否存在与给定 topic 完全匹配的订阅者信息\r\n * ========================================================================\r\n * @method _hasDirectSubscribersFor\r\n * @param {String} topic - （必须）订阅主题字符串\r\n * @returns {Boolean}\r\n */\r\nconst _hasDirectSubscribersFor = (topic) => {\r\n return hasOwn(_subscribers, topic) && _subscribers[topic].length > 0\r\n}\r\n\r\nexport default _hasDirectSubscribersFor\r\n","import _hasDirectSubscribersFor from './_hasDirectSubscribersFor'\r\nimport _hasSubscribers from './_hasSubscribers'\r\n\r\n/**\r\n * 判断是否存在包含 topic 指定的订阅者信息\r\n * ========================================================================\r\n * @method has\r\n * @param {String} topic - （必须）主题名称\r\n * @param {Boolean} [isDirect] - （可选）是否为直接的主题，默认值：true\r\n * @returns {Boolean}\r\n */\r\nconst has = (topic, isDirect = true) => {\r\n return isDirect ? _hasDirectSubscribersFor(topic) : _hasSubscribers(topic)\r\n}\r\n\r\nexport default has\r\n","import _hasDirectSubscribersFor from './_hasDirectSubscribersFor'\r\n\r\n/**\r\n * 判断是否存在包含给定 topic 相关的订阅者信息\r\n * ========================================================================\r\n * @method _hasSubscribers\r\n * @param {String} topic - （必须）订阅主题字符串\r\n * @returns {Boolean}\r\n */\r\nconst _hasSubscribers = (topic) => {\r\n let found = _hasDirectSubscribersFor(topic)\r\n let position = topic.lastIndexOf('.')\r\n\r\n while (!found && position !== -1) {\r\n topic = topic.substring(0, position)\r\n position = topic.lastIndexOf('.')\r\n found = _hasDirectSubscribersFor(topic)\r\n }\r\n\r\n return found\r\n}\r\n\r\nexport default _hasSubscribers\r\n","import isTypedArray from '../types/isTypedArray'\r\nimport _subscribers from './_subscribers'\r\nimport has from './has'\r\nimport _hasDirectSubscribersFor from './_hasDirectSubscribersFor'\r\n\r\n/**\r\n * （异步）发布订阅主题信息\r\n * ========================================================================\r\n * 主题默认是异步发布的。确保在消费者处理主题时，主题的发起者不会被阻止。\r\n * ========================================================================\r\n * @method emit\r\n * @param {String} topic - （必须）主题名称\r\n * @param {Object} data - （必须）数据对象\r\n * @param {Boolean} async - (可选) 是否异步发布\r\n */\r\nconst emit = (topic, data, async = true) => {\r\n const execute = (topic) => {\r\n if (!_hasDirectSubscribersFor(topic)) {\r\n return false\r\n }\r\n\r\n _subscribers[topic].forEach((subscriber) => {\r\n // 针对 mqtt 消息服务返回的 Uint8Array 类似的 typed arrays 格式的数据\r\n // 采用 toString() 方法转化为普通（JSON）字符串\r\n const message = isTypedArray(data) ? data.toString() : data\r\n\r\n subscriber.callback.call(subscriber.context || subscriber, message)\r\n })\r\n }\r\n const deliver = () => {\r\n let subscriber = topic\r\n let position = topic.lastIndexOf('.')\r\n\r\n while (position !== -1) {\r\n subscriber = subscriber.substring(0, position)\r\n position = subscriber.lastIndexOf('.')\r\n\r\n execute(subscriber)\r\n }\r\n\r\n // 执行 topic 对应的处理器\r\n execute(topic)\r\n // 执行特殊 topic：'*'（监听全部消息的发布）\r\n execute('*')\r\n }\r\n\r\n if (!has(topic)) {\r\n return false\r\n }\r\n\r\n if (async) {\r\n setTimeout(deliver, 10)\r\n } else {\r\n deliver()\r\n }\r\n}\r\n\r\nexport default emit\r\n","import toString from '../lang/toString'\r\n/**\r\n * 判断检测数据是否为 Typed Arrays 类型的数据\r\n * ========================================================================\r\n * @param {*} val\r\n * @returns {boolean}\r\n */\r\nconst isTypedArray = (val) => {\r\n const TYPES = [\r\n '[object Int8Array]',\r\n '[object Uint8Array]',\r\n '[object Uint8ClampedArray]',\r\n '[object Int16Array]',\r\n '[object Uint16Array]',\r\n '[object Int32Array]',\r\n '[object Uint32Array]',\r\n '[object Float32Array]',\r\n '[object Float64Array]',\r\n '[object BigInt64Array]',\r\n '[object BigUint64Array]'\r\n ]\r\n\r\n return TYPES.indexOf(toString(val)) > -1\r\n}\r\n\r\nexport default isTypedArray\r\n","import Base from './base'\r\n\r\nimport isString from './utils/types/isString'\r\nimport isFunction from './utils/types/isFunction'\r\nimport isElement from './utils/types/isElement'\r\nimport later from './utils/lang/later'\r\nimport at from './utils/event/at'\r\nimport on from './utils/event/on'\r\nimport off from './utils/event/off'\r\nimport stop from './utils/event/stop'\r\nimport createElement from './utils/dom/createElement'\r\nimport scrollTo from './utils/dom/scrollTo'\r\nimport addClass from './utils/dom/addClass'\r\nimport intersection from './utils/dom/intersection'\r\nimport removeClass from './utils/dom/removeClass'\r\nimport offsetTop from './utils/dom/offsetTop'\r\nimport setProperty from './utils/dom/setProperty'\r\nimport publish from './utils/observer/emit'\r\n\r\nimport _getScrollElement from './utils/dom/_getScrollElement'\r\nimport _paintChapters from './_paintChapters'\r\n\r\nclass Chapters extends Base {\r\n constructor(options) {\r\n super()\r\n\r\n this.attrs = Chapters.DEFAULTS\r\n this.$el = null\r\n this.$title = null\r\n this.$main = null\r\n this.$list = null\r\n this.$placeholder = null\r\n this.$parentElement = null\r\n this.$scrollElement = null\r\n this.chapters = []\r\n this.closed = false\r\n this.active = 0\r\n this.offsetTop = 0\r\n this.offsetWidth = 0\r\n this.$active = null\r\n this.scrollTimer = null\r\n this.resizeTimer = null\r\n this.playing = false\r\n\r\n if (options) {\r\n this.initialize(options)\r\n }\r\n }\r\n\r\n initialize(options) {\r\n let created\r\n let parentElement\r\n let scrollElement\r\n let $parent\r\n\r\n this.attr(options)\r\n created = this.attr('created')\r\n parentElement = this.attr('parentElement')\r\n scrollElement = this.attr('scrollElement')\r\n\r\n if (isString(parentElement)) {\r\n $parent = document.querySelector(parentElement)\r\n } else if (isElement(parentElement)) {\r\n $parent = parentElement\r\n }\r\n this.$parentElement = $parent\r\n this.$scrollElement = _getScrollElement(scrollElement)\r\n\r\n this.chapters = this.attr('chapters')\r\n this.closed = this.attr('closed')\r\n this.active = this.attr('active')\r\n\r\n if (isFunction(created)) {\r\n created.call(this)\r\n }\r\n\r\n if (this.chapters.length < 1) {\r\n return this\r\n }\r\n\r\n this.render().addListeners()\r\n\r\n this.$active = document.querySelector(`#chapter-${this.active}`)\r\n\r\n return this\r\n }\r\n\r\n isClosed() {\r\n return this.closed\r\n }\r\n\r\n isSticky() {\r\n const position = this.attr('position')\r\n return position === 'sticky'\r\n }\r\n\r\n isFixed() {\r\n const position = this.attr('position')\r\n return position === 'fixed'\r\n }\r\n\r\n isInside() {\r\n return this.isFixed() || this.isSticky()\r\n }\r\n\r\n isOutside() {\r\n return !this.isInside()\r\n }\r\n\r\n _paintEdge() {\r\n const STICKY = 'outline-chapters_sticky'\r\n const FIXED = 'outline-chapters_fixed'\r\n const HIDDEN = 'outline-chapters_hidden'\r\n const title = this.attr('title')\r\n const customClass = this.attr('customClass')\r\n const $parentElement = this.$parentElement\r\n const contents = []\r\n let $title = null\r\n let $el\r\n let $main\r\n let $list\r\n let $placeholder\r\n\r\n if (!$parentElement) {\r\n return this\r\n }\r\n\r\n if (this.isInside()) {\r\n $title = createElement(\r\n 'h2',\r\n {\r\n className: 'outline-chapters__title'\r\n },\r\n [title]\r\n )\r\n this.$title = $title\r\n contents.push($title)\r\n }\r\n\r\n $list = createElement(\r\n 'ul',\r\n {\r\n // 为优化性能，添加了 _fixed 和 _hidden\r\n // fixed 为了让 $list 脱离流布局\r\n // hidden 让 $list 不可见\r\n className: `outline-chapters__list ${FIXED} ${HIDDEN}`\r\n },\r\n ['']\r\n )\r\n this.$list = $list\r\n\r\n $placeholder = createElement(\r\n 'div',\r\n {\r\n className: 'outline-chapters__placeholder'\r\n },\r\n ['']\r\n )\r\n this.$placeholder = $placeholder\r\n\r\n $main = createElement(\r\n 'div',\r\n {\r\n className: 'outline-chapters__main'\r\n },\r\n [$list, $placeholder]\r\n )\r\n this.$main = $main\r\n contents.push($main)\r\n\r\n $el = createElement(\r\n 'nav',\r\n {\r\n id: 'outline-chapters',\r\n className: 'outline-chapters'\r\n },\r\n contents\r\n )\r\n this.$el = $el\r\n\r\n if (this.isSticky()) {\r\n this.calculateStickyHeight()\r\n addClass($el, STICKY)\r\n }\r\n\r\n if (customClass) {\r\n addClass($el, customClass)\r\n }\r\n\r\n $parentElement.appendChild($el)\r\n\r\n return this\r\n }\r\n\r\n render() {\r\n const FIXED = 'outline-chapters_fixed'\r\n const HIDDEN = 'outline-chapters_hidden'\r\n const showCode = this.attr('showCode')\r\n const mounted = this.attr('mounted')\r\n const $parentElement = this.$parentElement\r\n let $el\r\n let $list\r\n\r\n if (!$parentElement) {\r\n return this\r\n }\r\n\r\n this._paintEdge()\r\n\r\n $list = this.$list\r\n _paintChapters($list, this.chapters, showCode)\r\n removeClass($list, FIXED)\r\n removeClass($list, HIDDEN)\r\n\r\n $el = this.$el\r\n this.offsetTop = offsetTop($el)\r\n this.offsetWidth = $el.offsetWidth\r\n\r\n if (this.isFixed()) {\r\n this.sticky()\r\n setProperty('--outline-chapters-width', `${this.offsetWidth}px`)\r\n }\r\n\r\n if (isFunction(mounted)) {\r\n mounted.call(this)\r\n }\r\n\r\n this.onObserver()\r\n\r\n return this\r\n }\r\n\r\n highlight(id) {\r\n const $anchor = this.$el.querySelector(`#chapter__anchor-${id}`)\r\n const HIGHLIGHT = 'outline-chapters_active'\r\n const $placeholder = this.$placeholder\r\n let top\r\n\r\n if (this.$active) {\r\n removeClass(this.$active, HIGHLIGHT)\r\n }\r\n\r\n this.active = parseInt($anchor.getAttribute('data-id'), 10)\r\n this.$active = $anchor\r\n addClass(this.$active, HIGHLIGHT)\r\n\r\n top = 30 * this.active\r\n $placeholder.style.top = `calc(0.5em + ${top}px)`\r\n\r\n return this\r\n }\r\n\r\n sticky() {\r\n const afterSticky = this.attr('afterSticky')\r\n const FIXED = 'outline-chapters_fixed'\r\n const $el = this.$el\r\n const top = this.offsetTop\r\n const scrollTop = this.$scrollElement.scrollTop\r\n let isStickying\r\n\r\n if (!this.isFixed()) {\r\n return this\r\n }\r\n\r\n isStickying = !!(scrollTop >= top)\r\n\r\n if (isStickying) {\r\n addClass($el, FIXED)\r\n } else {\r\n removeClass($el, FIXED)\r\n }\r\n\r\n if (isFunction(afterSticky)) {\r\n afterSticky.call(this, this.isClosed(), isStickying)\r\n }\r\n\r\n return this\r\n }\r\n\r\n calculateStickyHeight() {\r\n const documentElement = document.documentElement\r\n const height = Math.max(\r\n documentElement.clientHeight || 0,\r\n window.innerHeight || 0\r\n )\r\n setProperty('--outline-sticky-height', `${height}px`)\r\n return this\r\n }\r\n\r\n scrollTo(top, after) {\r\n const el = this.$scrollElement\r\n\r\n scrollTo(el, top, after)\r\n\r\n return this\r\n }\r\n\r\n show() {\r\n const FOLDED = 'outline-chapters_folded'\r\n const HIDDEN = 'outline-chapters_hidden'\r\n const opened = this.attr('afterOpened')\r\n const $el = this.$el\r\n const $parent = this.$parentElement\r\n\r\n if (this.isInside()) {\r\n removeClass($parent, HIDDEN)\r\n removeClass($el, HIDDEN)\r\n later(() => {\r\n removeClass($parent, FOLDED)\r\n removeClass($el, FOLDED)\r\n }, 30)\r\n } else {\r\n removeClass($el, HIDDEN)\r\n }\r\n this.closed = false\r\n\r\n if (isFunction(opened)) {\r\n opened.call(this)\r\n }\r\n\r\n return this\r\n }\r\n\r\n hide() {\r\n const FOLDED = 'outline-chapters_folded'\r\n const HIDDEN = 'outline-chapters_hidden'\r\n const closed = this.attr('afterClosed')\r\n const $el = this.$el\r\n const $parent = this.$parentElement\r\n\r\n if (this.isInside()) {\r\n addClass($parent, FOLDED)\r\n addClass($el, FOLDED)\r\n later(() => {\r\n addClass($parent, HIDDEN)\r\n addClass($el, HIDDEN)\r\n })\r\n } else {\r\n addClass($el, HIDDEN)\r\n }\r\n this.closed = true\r\n\r\n if (isFunction(closed)) {\r\n closed.call(this)\r\n }\r\n\r\n return this\r\n }\r\n\r\n toggle() {\r\n const afterToggle = this.attr('afterToggle')\r\n const top = this.offsetTop\r\n const scrollTop = this.$scrollElement.scrollTop\r\n let isStickying\r\n\r\n if (this.isClosed()) {\r\n this.show()\r\n } else {\r\n this.hide()\r\n }\r\n\r\n if (isFunction(afterToggle)) {\r\n later(() => {\r\n isStickying = !!(scrollTop >= top)\r\n afterToggle.call(this, this.isClosed(), isStickying)\r\n })\r\n }\r\n\r\n return this\r\n }\r\n\r\n destroy() {\r\n const beforeDestroy = this.attr('beforeDestroy')\r\n const afterDestroy = this.attr('afterDestroy')\r\n\r\n if (isFunction(beforeDestroy)) {\r\n beforeDestroy.call(this)\r\n }\r\n\r\n this.removeListeners()\r\n this.$parentElement.removeChild(this.$el)\r\n\r\n this.attr(Chapters.DEFAULTS)\r\n this.$el = null\r\n this.$title = null\r\n this.$main = null\r\n this.$list = null\r\n this.$placeholder = null\r\n this.$parentElement = null\r\n this.$scrollElement = null\r\n this.chapters = []\r\n this.active = 0\r\n this.offsetTop = 0\r\n this.$active = null\r\n this.closed = false\r\n\r\n if (this.scrollTimer) {\r\n clearTimeout(this.scrollTimer)\r\n this.scrollTimer = null\r\n }\r\n\r\n if (this.resizeTimer) {\r\n clearTimeout(this.resizeTimer)\r\n this.resizeTimer = null\r\n }\r\n\r\n if (isFunction(afterDestroy)) {\r\n afterDestroy.call(this)\r\n }\r\n\r\n return this\r\n }\r\n\r\n onObserver() {\r\n let timer = null\r\n\r\n intersection(\r\n ($heading) => {\r\n const id = $heading.getAttribute('data-id')\r\n\r\n if (this.playing) {\r\n return false\r\n }\r\n\r\n if (timer) {\r\n clearTimeout(timer)\r\n }\r\n\r\n timer = later(() => {\r\n this.highlight(id)\r\n }, 100)\r\n },\r\n { context: this }\r\n )\r\n\r\n return this\r\n }\r\n\r\n onSelect(evt) {\r\n const stickyHeight = this.attr('stickyHeight')\r\n const $anchor = evt.delegateTarget\r\n const id = $anchor.getAttribute('data-id')\r\n const headingId = $anchor.href.split('#')[1]\r\n const $heading = document.querySelector(`#${headingId}`)\r\n const top = offsetTop($heading) - (stickyHeight + 10)\r\n const min = 0\r\n const max = this.$scrollElement.scrollHeight\r\n const afterScroll = this.attr('afterScroll')\r\n const after = () => {\r\n if (isFunction(afterScroll)) {\r\n afterScroll.call(this)\r\n }\r\n\r\n later(() => {\r\n this.playing = false\r\n publish('toolbar:update', {\r\n top,\r\n min,\r\n max\r\n })\r\n })\r\n }\r\n\r\n this.playing = true\r\n if (this.isFixed()) {\r\n this.sticky()\r\n later(() => {\r\n this.scrollTo(top, after)\r\n this.highlight(id)\r\n }, 10)\r\n } else {\r\n this.scrollTo(top, after)\r\n this.highlight(id)\r\n }\r\n\r\n stop(evt)\r\n\r\n return this\r\n }\r\n\r\n onScroll() {\r\n const $scrollElement = this.$scrollElement\r\n\r\n if (this.scrollTimer) {\r\n clearTimeout(this.scrollTimer)\r\n }\r\n\r\n this.scrollTimer = later(() => {\r\n const top = $scrollElement.scrollTop\r\n const min = 0\r\n const max = $scrollElement.scrollHeight - $scrollElement.clientHeight\r\n\r\n if (this.isFixed()) {\r\n this.sticky()\r\n }\r\n\r\n publish('toolbar:update', {\r\n top,\r\n min,\r\n max\r\n })\r\n }, 50)\r\n\r\n return this\r\n }\r\n\r\n onResize() {\r\n if (this.resizeTimer) {\r\n clearTimeout(this.resizeTimer)\r\n }\r\n\r\n this.resizeTimer = later(() => {\r\n this.calculateStickyHeight()\r\n })\r\n\r\n return this\r\n }\r\n\r\n addListeners() {\r\n const $el = this.$el\r\n const $scrollElement = this.$scrollElement\r\n const tagName = $scrollElement.tagName.toLowerCase()\r\n let $element = $scrollElement\r\n\r\n if (tagName === 'html' || tagName === 'body') {\r\n $element = window\r\n }\r\n\r\n on($el, '.outline-chapters__anchor', 'click', this.onSelect, this, true)\r\n at($element, 'scroll', this.onScroll, this, true)\r\n if (this.isSticky()) {\r\n at($element, 'resize', this.onResize, this, true)\r\n }\r\n\r\n return this\r\n }\r\n\r\n removeListeners() {\r\n const $el = this.$el\r\n const $scrollElement = this.$scrollElement\r\n const tagName = $scrollElement.tagName.toLowerCase()\r\n let $element = $scrollElement\r\n\r\n if (tagName === 'html' || tagName === 'body') {\r\n $element = window\r\n }\r\n\r\n off($el, 'click', this.onSelect)\r\n off($element, 'scroll', this.onScroll)\r\n if (this.isSticky()) {\r\n at($element, 'resize', this.onResize)\r\n }\r\n\r\n return this\r\n }\r\n}\r\n\r\nChapters.DEFAULTS = {\r\n parentElement: '',\r\n scrollElement: '',\r\n selector: '',\r\n active: 0,\r\n closed: false,\r\n showCode: true,\r\n position: 'relative',\r\n stickyHeight: 0,\r\n chapters: [],\r\n created: null,\r\n mounted: null,\r\n afterClosed: null,\r\n afterOpened: null,\r\n afterScroll: null,\r\n beforeDestroy: null,\r\n afterDestroy: null,\r\n afterSticky: null\r\n}\r\n\r\nexport default Chapters\r\n","import createElement from './utils/dom/createElement'\r\n\r\nconst _paintChapters = ($list, chapters, showCode = false) => {\r\n const byId = (id) => document.getElementById(id)\r\n\r\n chapters.forEach((chapter) => {\r\n const pid = chapter.pid\r\n const id = chapter.id\r\n const rel = chapter.rel\r\n const $text = createElement(\r\n 'span',\r\n {\r\n className: 'outline-chapters__text'\r\n },\r\n [chapter.text]\r\n )\r\n const $link = createElement(\r\n 'a',\r\n {\r\n id: `chapter__anchor-${id}`,\r\n className: 'outline-chapters__anchor',\r\n href: '#' + rel,\r\n rel: rel,\r\n 'data-id': id\r\n },\r\n [$text]\r\n )\r\n let $code\r\n let $li\r\n let $ul\r\n let $parent\r\n\r\n if (showCode) {\r\n $code = createElement(\r\n 'span',\r\n {\r\n className: 'outline-chapters__code',\r\n 'data-id': id\r\n },\r\n [chapter.code]\r\n )\r\n\r\n $link.insertBefore($code, $link.firstChild)\r\n }\r\n\r\n $li = createElement(\r\n 'li',\r\n {\r\n id: `chapter-${id}`,\r\n className: 'outline-chapters__item',\r\n 'data-id': id\r\n },\r\n [$link]\r\n )\r\n\r\n if (pid === -1) {\r\n $list.appendChild($li)\r\n } else {\r\n $parent = byId(`chapter-${pid}`)\r\n $ul = byId(`subject-${pid}`)\r\n\r\n if (!$ul) {\r\n $ul = createElement(\r\n 'ul',\r\n {\r\n id: 'subject-' + pid,\r\n className: 'outline-chapters__subject'\r\n },\r\n [$li]\r\n )\r\n\r\n $parent.appendChild($ul)\r\n } else {\r\n $ul.appendChild($li)\r\n }\r\n }\r\n })\r\n}\r\n\r\nexport default _paintChapters\r\n","import easeInQuad from '../lang/easeInQuad'\r\nimport isFunction from '../types/isFunction'\r\nimport _getScrollElement from './_getScrollElement'\r\n\r\n/**\r\n * 指定 rootElement DOM 节点滚动到指定 top 位置\r\n * ========================================================================\r\n * @method scrollTo\r\n * @param {HTMLElement|Object} [scrollElement] - （必须）要滚动的 DOM 节点\r\n * @param {Number} top - （必须）滚动的 scrollTop 数值\r\n * @param {Function} [afterStop] - （可选）滚动完成的回调函数\r\n */\r\nconst scrollTo = (scrollElement, top, afterStop) => {\r\n const $scrollElement = _getScrollElement(scrollElement)\r\n let scrollTop = $scrollElement.scrollTop\r\n let step = 0\r\n const distance = top - scrollTop\r\n const MAX_HEIGHT = $scrollElement.scrollHeight\r\n const MAX_TOP = top - MAX_HEIGHT <= 0 ? top : MAX_HEIGHT\r\n const stop = (top) => {\r\n if (isFunction(afterStop)) {\r\n afterStop(top)\r\n }\r\n\r\n return false\r\n }\r\n const play = () => {\r\n step += 1\r\n\r\n // 向上滚动\r\n if (distance < 0) {\r\n scrollTop -= easeInQuad(step)\r\n $scrollElement.scrollTop = scrollTop\r\n\r\n if (scrollTop <= top) {\r\n $scrollElement.scrollTop = top\r\n return stop(top)\r\n }\r\n } else {\r\n scrollTop += easeInQuad(step)\r\n $scrollElement.scrollTop = scrollTop\r\n\r\n if (scrollTop >= MAX_TOP) {\r\n $scrollElement.scrollTop = MAX_TOP\r\n return stop(MAX_TOP)\r\n }\r\n }\r\n\r\n requestAnimationFrame(play)\r\n }\r\n\r\n requestAnimationFrame(play)\r\n}\r\n\r\nexport default scrollTo\r\n","import isFunction from '../types/isFunction'\r\nimport isElement from '../types/isElement'\r\n\r\n/**\r\n * 通用的 IntersectionObserver 观察者处理器\r\n * ========================================================================\r\n * @method intersection\r\n * @param {Function} fn\r\n * @param {Object} [props]\r\n * @param {Object|HTMLElement} [props.root]\r\n * @param {String} [props.selector]\r\n * @param {Object} [props.context]\r\n * @param {String} [props.attr]\r\n * @param {String} [props.rootMargin]\r\n */\r\nconst intersection = (fn, props = {}) => {\r\n const root = props.root || null\r\n const selector = props.selector || '.outline-heading'\r\n const context = props.context || null\r\n const rootMargin = props.rootMargin || '0px 0px -90% 0px'\r\n const options = {\r\n rootMargin: rootMargin\r\n }\r\n const Observer = new IntersectionObserver((entries) => {\r\n entries.forEach((entry) => {\r\n if (entry.intersectionRatio > 0) {\r\n if (isFunction(fn)) {\r\n fn.call(context || entry.target, entry.target)\r\n }\r\n }\r\n })\r\n }, options)\r\n const $root = isElement(root) ? root : document\r\n\r\n if (root) {\r\n options.root = root\r\n }\r\n\r\n $root.querySelectorAll(selector).forEach((section) => {\r\n Observer.observe(section)\r\n })\r\n}\r\n\r\nexport default intersection\r\n","/**\r\n * 停止事件（阻止默认行为和阻止事件的捕获或冒泡）\r\n * ========================================================================\r\n * @method stop\r\n * @param {Event} evt - 事件对象\r\n *\r\n * @example\r\n *
\r\n * Service\r\n * Help\r\n *
\r\n *\r\n * const $nav = document.querySelector('#nav')\r\n * const $service = document.querySelector('.anchor')\r\n *\r\n * on($nav, 'click', function(evt) {\r\n * console.log('你点击了导航栏')\r\n * })\r\n *\r\n * on($anchor, 'click', function(evt) {\r\n * console.log('tagName', this.tagName)\r\n *\r\n * // 工作台输出：'a'\r\n * // 不会触发事件冒泡，输出：'你点击了导航栏'\r\n * // 也不会切换到 href 属性的页面，阻止了点击链接的默认行为\r\n * stopEvent(evt)\r\n * })\r\n */\r\nconst stop = function (evt) {\r\n evt.stopPropagation()\r\n evt.preventDefault()\r\n}\r\n\r\nexport default 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\ No newline at end of file +{"version":3,"file":"chapters.min.js","sources":["src/utils/types/isString.js","src/utils/lang/hasOwn.js","src/utils/lang/toString.js","src/utils/types/isFunction.js","src/utils/types/isObject.js","src/base.js","src/utils/lang/extend.js","src/utils/types/isElement.js","src/utils/lang/later.js","src/utils/event/enum.js","src/utils/event/_off.js","src/utils/event/_delete.js","src/utils/event/purgeElement.js","src/utils/event/getListeners.js","src/utils/event/off.js","src/utils/event/at.js","src/utils/dom/matches.js","src/utils/dom/getParentOrHost.js","src/utils/event/on.js","src/utils/event/getTarget.js","src/utils/dom/resolveTextNode.js","src/utils/dom/closest.js","src/utils/types/isArray.js","src/utils/types/isDOM.js","src/utils/types/isHTMLCollection.js","src/utils/types/isFragment.js","src/utils/types/isTextNode.js","src/utils/dom/createElement.js","src/utils/dom/setAttribute.js","src/utils/lang/easeInQuad.js","src/utils/dom/_getScrollElement.js","src/utils/dom/hasClass.js","src/utils/dom/addClass.js","src/utils/dom/removeClass.js","src/utils/lang/trim.js","src/utils/dom/offsetTop.js","src/utils/dom/setProperty.js","src/utils/observer/_subscribers.js","src/utils/observer/_hasDirectSubscribersFor.js","src/utils/observer/has.js","src/utils/observer/_hasSubscribers.js","src/utils/observer/emit.js","src/utils/types/isTypedArray.js","src/chapters.js","src/_paintChapters.js","src/utils/dom/scrollTo.js","src/utils/dom/intersection.js","src/utils/event/stop.js"],"sourcesContent":["/**\r\n * 检测数据是否为 String 类型\r\n * ========================================================================\r\n * @method isArray\r\n * @param {*} str\r\n * @returns {boolean}\r\n */\r\nconst isString = (str) => {\r\n return typeof str === 'string'\r\n}\r\n\r\nexport default isString\r\n","/**\r\n * 检测对象自身属性中是否具有指定的属性。\r\n * ========================================================================\r\n * @method hasOwn\r\n * @param {Object} obj - （必须）检测的目标对象\r\n * @param {String} prop - （必须）属性名\r\n * @returns {Boolean}\r\n */\r\nconst hasOwn = (obj, prop) => {\r\n const hasOwnProperty = Object.prototype.hasOwnProperty\r\n return obj && hasOwnProperty.call(obj, prop)\r\n}\r\n\r\nexport default hasOwn\r\n","/**\r\n * Object 对象原型上的 toString 方法\r\n * ========================================================================\r\n * @method toString\r\n * @param {*} val\r\n * @returns {string}\r\n */\r\nconst toString = (val) => {\r\n return Object.prototype.toString.apply(val)\r\n}\r\n\r\nexport default toString\r\n","import toString from '../lang/toString'\r\n\r\n/**\r\n * 检测测试数据是否为 Function 类型\r\n * ========================================================================\r\n * @method isFunction\r\n * @param {*} val - （必须）待检测的数据\r\n * @returns {boolean} 'val' 是 Function 类型返回 true，否则返回 false\r\n */\r\nconst isFunction = (val) => {\r\n return typeof val === 'function' || toString(val) === '[object Function]'\r\n}\r\n\r\nexport default isFunction\r\n","import toString from '../lang/toString'\r\nimport isFunction from '../types/isFunction'\r\n\r\n/**\r\n * 检测数据是否为 Object 类型\r\n * ========================================================================\r\n * @method isObject\r\n * @param {*} o\r\n * @returns {boolean}\r\n */\r\nconst isObject = (o) => {\r\n return (\r\n (toString(o) === '[object Object]' ||\r\n typeof o === 'object' ||\r\n isFunction(o)) &&\r\n o !== null\r\n )\r\n}\r\n\r\nexport default isObject\r\n","import isString from './utils/types/isString'\r\nimport hasOwn from './utils/lang/hasOwn'\r\nimport isObject from './utils/types/isObject'\r\nimport extend from './utils/lang/extend'\r\n\r\nclass Base {\r\n constructor(options) {\r\n this.attrs = {}\r\n\r\n if (options) {\r\n this.initialize(options)\r\n }\r\n }\r\n\r\n initialize(options) {\r\n this.attr(options).render().addListeners()\r\n return this\r\n }\r\n\r\n attr(prop, value) {\r\n const attrs = this.attrs\r\n\r\n if (isString(prop)) {\r\n // 只能扩展 attrs 中已有的属性\r\n if (value && hasOwn(attrs, prop)) {\r\n // 更新单个配置信息\r\n attrs[prop] = value\r\n return this\r\n }\r\n\r\n // 只传递 prop 参数，则返回对应的属性值\r\n return attrs[prop]\r\n } else if (isObject(prop)) {\r\n // 批量更新配置信息\r\n extend(attrs, prop)\r\n\r\n return this\r\n } else if (arguments.length === 0) {\r\n // 不传递参数，直接返回整个\r\n return attrs\r\n }\r\n\r\n return this\r\n }\r\n\r\n render() {\r\n return this\r\n }\r\n\r\n destroy() {\r\n this.removeListeners()\r\n return this\r\n }\r\n\r\n reload(options) {\r\n this.destroy().initialize(this.attr(options))\r\n return this\r\n }\r\n\r\n addListeners() {\r\n return this\r\n }\r\n\r\n removeListeners() {\r\n return this\r\n }\r\n}\r\n\r\nexport default Base\r\n","import hasOwn from './hasOwn'\r\n\r\n/**\r\n * 扩展对象\r\n * ========================================================================\r\n * @method extend\r\n * @param {Object} origin\r\n * @param {Object} source\r\n */\r\nconst extend = (origin, source) => {\r\n const keys = Object.keys(source)\r\n\r\n keys.forEach((prop) => {\r\n if (hasOwn(source, prop)) {\r\n origin[prop] = source[prop]\r\n }\r\n })\r\n}\r\n\r\nexport default extend\r\n","import isObject from './isObject'\r\n\r\n/**\r\n * 检测数据是否为 HTMLElement DOM 节点\r\n * ========================================================================\r\n * @method isElement\r\n * @param {*} o\r\n * @returns {boolean}\r\n */\r\nconst isElement = (o) => {\r\n return !!(isObject(o) && o.nodeName && o.tagName && o.nodeType === 1)\r\n}\r\n\r\nexport default isElement\r\n","import isFunction from '../types/isFunction'\r\n\r\n/**\r\n * later - 延迟执行方法\r\n * ========================================================================\r\n * @method later\r\n * @param {Function} fn\r\n * @param {Number} [delay]\r\n * @returns {number|boolean}\r\n */\r\nconst later = (fn, delay = 300) => {\r\n if (!isFunction(fn)) {\r\n return false\r\n }\r\n\r\n return setTimeout(() => {\r\n fn()\r\n }, delay)\r\n}\r\n\r\nexport default later\r\n","export const CAPTURE_EVENTS = [\r\n 'focusout',\r\n 'blur',\r\n 'focusin',\r\n 'focus',\r\n 'load',\r\n 'unload',\r\n 'mouseenter',\r\n 'mouseleave'\r\n]\r\n","import { CAPTURE_EVENTS } from './enum'\r\nimport _delete from './_delete'\r\n\r\n/**\r\n * （私有方法）取消 type 类型的代理事件绑定\r\n * ========================================================================\r\n * 如果没有设置 handler，则销毁 this.$options 绑定的所有符合 type 事件类型的事件绑定\r\n * ========================================================================\r\n * @method _off\r\n * @param {HTMLElement} el - （必须）取消事件绑定的 DOM 元素\r\n * @param {String} type - （必须）事件类型\r\n * @param {Function} fn - （必须）事件处理器回调函数\r\n * @private\r\n */\r\nconst _off = (el, type, fn) => {\r\n const capture = CAPTURE_EVENTS.indexOf(type) > -1\r\n\r\n /* istanbul ignore else */\r\n if (fn._delegateListener) {\r\n fn = fn._delegateListener\r\n delete fn._delegateListener\r\n }\r\n\r\n // 移除缓存的 _listeners 数据\r\n _delete(el, type, fn)\r\n\r\n el.removeEventListener(type, fn, capture)\r\n}\r\n\r\nexport default _off\r\n","/**\r\n * 删除 DOM 元素缓存的 _listeners 数据\r\n * ========================================================================\r\n * @method _delete\r\n * @param {HTMLElement} el - 要删除 listener 的 DOM 元素\r\n * @param {String} type - 事件类型（名称）\r\n * @param {Function} [fn] - 事件处理器回调函数\r\n */\r\nconst _delete = function (el, type, fn) {\r\n const listeners = el._listeners\r\n let index = -1\r\n\r\n if (listeners.length < 1) {\r\n return false\r\n }\r\n\r\n // 移除缓存的 _listeners 数据\r\n listeners.forEach((listener, i) => {\r\n const handler = listener.fn\r\n\r\n if (type === listener.type) {\r\n index = i\r\n\r\n if (handler === fn) {\r\n index = i\r\n }\r\n }\r\n })\r\n\r\n /* istanbul ignore else */\r\n if (index > -1) {\r\n listeners.splice(index, 1)\r\n }\r\n}\r\n\r\nexport default _delete\r\n","import isString from '../types/isString'\r\nimport isElement from '../types/isElement'\r\nimport getListeners from './getListeners'\r\nimport _off from './_off'\r\n\r\n/**\r\n * 销毁（type 类型的）代理事件绑定\r\n * ========================================================================\r\n * 1. 设置了事件类型 type，则销毁指定类型的事件绑定，否则清除所有代理事件绑定\r\n * 2. recurse 设置为 true，递归销毁子节点全部事件绑定\r\n * ========================================================================\r\n * @method purgeElement\r\n * @param {HTMLElement|String} el - （必须）DOM 元素或者其选择器\r\n * @param {String|Boolean} type - （必须）事件类型\r\n * @param {Boolean} [recurse] - （可选）是否递归销毁子节点所有事件绑定\r\n */\r\nconst purgeElement = function (el, type, recurse = false) {\r\n const $element = isString(el) ? document.querySelector(el) : el\r\n const $children = $element.childNodes\r\n const listeners = getListeners($element, type)\r\n\r\n listeners.forEach((listener) => {\r\n _off($element, listener.type, listener.fn)\r\n })\r\n\r\n if (\r\n (recurse || type === true || arguments.length === 1) &&\r\n $element &&\r\n $children\r\n ) {\r\n $children.forEach(($child) => {\r\n if (isElement($child)) {\r\n purgeElement($child, type, recurse)\r\n }\r\n })\r\n }\r\n}\r\n\r\nexport default purgeElement\r\n","import isString from '../types/isString'\r\n\r\n/**\r\n * 获取 DOM 元素（type 事件类型）事件绑定信息\r\n * ========================================================================\r\n * 如果设置了事件类型 type， 则返回指定类型的事件绑定信息，否则返回所有事件绑定信息\r\n * ========================================================================\r\n * @methods getListeners\r\n * @param {HTMLElement} el - （必须）要获取事件绑定信息的 DOM 元素\r\n * @param {String} [type] - （可选）事件类型\r\n * @returns {Array} - 已绑定的事件信息\r\n */\r\nconst getListeners = (el, type) => {\r\n let listeners = el._listeners || []\r\n\r\n if (isString(type) && type) {\r\n listeners = listeners.filter((listener) => {\r\n return listener.type === type\r\n })\r\n }\r\n\r\n return listeners\r\n}\r\n\r\nexport default getListeners\r\n","import purgeElement from './purgeElement'\r\nimport isFunction from '../types/isFunction'\r\nimport _off from './_off'\r\n\r\n/**\r\n * 取消 type 类型的代理事件绑定\r\n * ========================================================================\r\n * 如果没有设置 handler，则销毁 this.$options 绑定的所有符合 type 事件类型的事件绑定\r\n * ========================================================================\r\n * @method off\r\n * @param {HTMLElement} el - （必须）取消事件绑定的 DOM 元素\r\n * @param {String} type - （必须）事件类型\r\n * @param {Function} [fn] - （可选）事件处理器回调函数\r\n */\r\nconst off = (el, type, fn) => {\r\n // 如果不设置 fn 参数，默认清除 el 元素上绑定的所有事件处理器\r\n if (!isFunction(fn)) {\r\n return purgeElement(el, type)\r\n }\r\n\r\n _off(el, type, fn)\r\n}\r\n\r\nexport default off\r\n","import isFunction from '../types/isFunction'\r\nimport off from './off'\r\n\r\nimport { CAPTURE_EVENTS } from './enum'\r\n\r\n/**\r\n * 绑定事件\r\n * ========================================================================\r\n * @method at\r\n * @param {HTMLElement|String|Object} el - （必须）绑定代理事件的 DOM 节点\r\n * @param {String|Function} type - （必须）事件类型或者事件处理器回调函数\r\n * @param {Function|Object} fn - （必须） 事件处理器回调函数或者传递给事件处理器回调函数的数据对象\r\n * @param {Object|Boolean} [data] - （可选）传递给事件处理器回调函数的数据对象或者事件处理器回调函数的 this 上下文指向，\r\n * @param {Object|Boolean} [context] - （可选）事件处理器回调函数的 this 上下文指向，或者是否仅触发一次\r\n * 当设置为 true 时，则事件处理器回调函数的 this 上下文指向为 data 对象\r\n * @param {Boolean} once - （可选）是否仅触发一次\r\n */\r\nconst at = (el, type, fn, data, context, once = false) => {\r\n // CAPTURE_EVENTS 中的特殊事件，采用事件捕获模型\r\n const capture = CAPTURE_EVENTS.indexOf(type) > -1\r\n const listener = function (evt) {\r\n let overrideContext = context || el\r\n\r\n // 当设置为 true 时，则事件处理器回调函数的\r\n // this 上下文指向为 data 对象\r\n if (context === true) {\r\n overrideContext = data\r\n }\r\n\r\n // 仅触发一次\r\n /* istanbul ignore else */\r\n if (once === true) {\r\n off(el, type, listener)\r\n }\r\n\r\n fn.call(overrideContext, evt, data)\r\n }\r\n\r\n if (!isFunction(fn)) {\r\n return false\r\n }\r\n\r\n if (!el._listeners) {\r\n el._listeners = []\r\n }\r\n\r\n // 缓存 options 元素绑定的事件处理器\r\n el._listeners.push({\r\n el,\r\n type,\r\n fn: listener,\r\n data,\r\n context,\r\n capture\r\n })\r\n\r\n // 缓存包装后的事件处理器\r\n fn._delegateListener = listener\r\n\r\n el.addEventListener(type, listener, capture)\r\n}\r\n\r\nexport default at\r\n","/**\r\n * 获取 options 节点下匹配 selector 选择器的 DOM 节点\r\n * ========================================================================\r\n * Element.matches() 方法可以用来判断 DOM 元素是否与给定的选择器匹配，事件代理判断是\r\n * 否触发绑定的代理事件回调函数，关键就是使用 Element.matches() 辨别当前事件触发的目\r\n * 标 DOM 元素是否为事件代理所期望触发的目标。\r\n * ========================================================================\r\n * @method matches\r\n * @see https://developer.mozilla.org/en-US/docs/web/api/element/matches\r\n * @param {HTMLElement} el - （必须）DOM 元素\r\n * @param {String} selector - （必须）匹配 DOM 元素的选择器\r\n * @returns {Boolean}\r\n */\r\nconst matches = (el, selector = '') => {\r\n const sel = selector.replace(/^>/i, '')\r\n\r\n if (!selector || !sel || !el) {\r\n return false\r\n }\r\n\r\n /* istanbul ignore else */\r\n if (el.matches) {\r\n return el.matches(sel)\r\n } else if (el.msMatchesSelector) {\r\n return el.msMatchesSelector(sel)\r\n } else {\r\n return false\r\n }\r\n}\r\n\r\nexport default matches\r\n","/**\r\n * 获取 DOM 元素的父节点\r\n * ========================================================================\r\n * @method getParentOrHost\r\n * @param {*|HTMLElement} el - （必须）要获取父节点的 DOM 元素\r\n * @returns {*|HTMLElement}\r\n */\r\nconst getParentOrHost = (el) => {\r\n return el.host && el !== document && el.host.nodeType\r\n ? el.host\r\n : el.parentNode\r\n}\r\n\r\nexport default getParentOrHost\r\n","import closest from '../dom/closest'\r\nimport off from './off'\r\nimport getTarget from './getTarget'\r\n\r\nimport { CAPTURE_EVENTS } from './enum'\r\n\r\n/**\r\n * 绑定代理事件\r\n * ========================================================================\r\n * @method on\r\n * @param {HTMLElement|String|Object} el - （必须）绑定代理事件的 DOM 节点\r\n * @param {String} selector - （必须）事件代理目标 DOM 元素的选择器\r\n * @param {String|Function} type - （必须）事件类型或者事件处理器回调函数\r\n * @param {Function|Object} fn - （可选） 事件处理器回调函数或者传递给事件处理器回调函数的数据对象\r\n * @param {Object|Boolean} [data] - （可选）传递给事件处理器回调函数的数据对象或者事件处理器回调函数的 this 上下文指向，\r\n * @param {Object|Boolean} [context] - （可选）事件处理器回调函数的 this 上下文指向，或者是否仅触发一次\r\n * 当设置为 true 时，则事件处理器回调函数的 this 上下文指向为 data 对象\r\n * @param {Boolean} once - （可选）是否仅触发一次\r\n */\r\nconst on = (el, selector, type, fn, data, context, once = false) => {\r\n // CAPTURE_EVENTS 中的特殊事件，采用事件捕获模型\r\n const capture = CAPTURE_EVENTS.indexOf(type) > -1\r\n\r\n const listener = function (evt) {\r\n const target = getTarget(evt)\r\n // 通过 Element.matches 方法获得点击的目标元素\r\n const delegateTarget = closest(target, selector, el)\r\n let overrideContext = context || el\r\n\r\n evt.delegateTarget = delegateTarget\r\n\r\n // 当设置为 true 时，则事件处理器回调函数的\r\n // this 上下文指向为 data 对象\r\n if (context === true) {\r\n overrideContext = data\r\n }\r\n\r\n /* istanbul ignore else */\r\n if (delegateTarget) {\r\n // 仅触发一次\r\n /* istanbul ignore else */\r\n if (once === true) {\r\n off(el, type, listener)\r\n }\r\n\r\n fn.call(overrideContext, evt, data)\r\n }\r\n }\r\n\r\n if (!el._listeners) {\r\n el._listeners = []\r\n }\r\n\r\n // 缓存 options 元素绑定的事件处理器\r\n el._listeners.push({\r\n el,\r\n selector,\r\n type,\r\n fn: listener,\r\n data,\r\n context,\r\n capture\r\n })\r\n\r\n // 缓存包装后的事件处理器\r\n fn._delegateListener = listener\r\n\r\n el.addEventListener(type, listener, capture)\r\n}\r\n\r\nexport default on\r\n","import resolveTextNode from '../dom/resolveTextNode'\r\n\r\n/**\r\n * 返回触发事件的 target DOM 元素\r\n * ========================================================================\r\n * @method getTarget\r\n * @param {Event} evt - Event 对象\r\n * @return {HTMLElement} - Event 对象的 target DOM 元素\r\n */\r\nconst getTarget = function (evt) {\r\n const target = evt.target\r\n\r\n return resolveTextNode(target)\r\n}\r\n\r\nexport default getTarget\r\n","/**\r\n * 在某些情况下，某些浏览器（例如：Safari 浏览器）会返回实际的目标元素内部的文本节点。\r\n * resolveTextNode() 方法则会返回实际的目标节点。\r\n * ========================================================================\r\n * @method resolveTextNode\r\n * @param {HTMLElement|Text} el - 要解析的节点\r\n * @return {*|HTMLElement} - 实际的目标 DOM 节点\r\n */\r\nconst resolveTextNode = function (el) {\r\n if (el && el.nodeType === 3) {\r\n return el.parentNode\r\n }\r\n\r\n return el\r\n}\r\n\r\nexport default resolveTextNode\r\n","import matches from './matches'\r\nimport getParentOrHost from './getParentOrHost'\r\n\r\n/**\r\n * 获取 options 元素父元素最近的包含 selector 选择器的元素\r\n * ========================================================================\r\n * @method closest\r\n * @param {HTMLElement} el - （必须）DOM 元素\r\n * @param {String} selector - （必须）DOM 元素的选择其\r\n * @param {HTMLElement} [ctx] - （必须）比对的 DOM 元素\r\n * @param {Boolean} [includeCTX] - （必须）是否包含 context DOM 元素\r\n * @returns {null|HTMLElement} - 返回最接近的 DOM 元素\r\n */\r\nconst closest = (el, selector, ctx, includeCTX) => {\r\n const context = ctx || document\r\n\r\n if (!el) {\r\n return null\r\n }\r\n\r\n do {\r\n /* istanbul ignore else */\r\n if (\r\n (selector != null &&\r\n (selector[0] === '>'\r\n ? el.parentNode === context && matches(el, selector)\r\n : matches(el, selector))) ||\r\n (includeCTX && el === context)\r\n ) {\r\n return el\r\n }\r\n\r\n /* istanbul ignore else */\r\n if (el === context) {\r\n break\r\n }\r\n\r\n /* jshint boss:true */\r\n } while ((el = getParentOrHost(el)))\r\n}\r\n\r\nexport default closest\r\n","import toString from '../lang/toString'\r\n\r\n/**\r\n * 检测数据是否为 Array 类型\r\n * ========================================================================\r\n * @method isArray\r\n * @param {*} o\r\n * @returns {boolean}\r\n */\r\nconst isArray = (o) => {\r\n if (Array.isArray) {\r\n return Array.isArray(o)\r\n } else {\r\n return toString(o) === '[object Array]'\r\n }\r\n}\r\n\r\nexport default isArray\r\n","import isObject from './isObject'\r\nimport isElement from './isElement'\r\nimport isHTMLCollection from './isHTMLCollection'\r\nimport isFragment from './isFragment'\r\nimport isTextNode from './isTextNode'\r\n\r\nconst isDOM = (el) => {\r\n return !!(\r\n isObject(el) &&\r\n (isElement(el) || isHTMLCollection(el) || isFragment(el) || isTextNode(el))\r\n )\r\n}\r\n\r\nexport default isDOM\r\n","import toString from '../lang/toString'\r\nimport isObject from './isObject'\r\n\r\nconst isHTMLCollection = (el) => {\r\n return !!(isObject(el) && toString(el) === '[object NodeList]')\r\n}\r\n\r\nexport default isHTMLCollection\r\n","import toString from '../lang/toString'\r\nimport isObject from './isObject'\r\n\r\nconst isFragment = (fragment) => {\r\n return !!(\r\n isObject(fragment) && toString(fragment) === '[object DocumentFragment]'\r\n )\r\n}\r\n\r\nexport default isFragment\r\n","import toString from '../lang/toString'\r\nimport isObject from './isObject'\r\n\r\nconst isTextNode = (el) => {\r\n return !!(\r\n isObject(el) &&\r\n (toString(el) === '[object Text]' || (el.tagName && el.nodeType === 3))\r\n )\r\n}\r\n\r\nexport default isTextNode\r\n","import hasOwn from '../lang/hasOwn'\r\nimport isObject from '../types/isObject'\r\nimport isString from '../types/isString'\r\nimport isArray from '../types/isArray'\r\nimport isDOM from '../types/isDOM'\r\nimport setAttribute from './setAttribute'\r\n\r\n/**\r\n * 创建 DOM 节点，并添加属性和子节点\r\n * ========================================================================\r\n * @method createElement\r\n * @param {String} tagName - 标签名称\r\n * @param {Object|Array} attrs - 属性对象或者子节点\r\n * @param {Array} [children] - 子节点数组\r\n * @returns {HTMLElement}\r\n */\r\nconst createElement = (tagName, attrs, children) => {\r\n const $fragment = document.createDocumentFragment()\r\n const $el = document.createElement(tagName)\r\n const isValidChild = (child) => {\r\n return isDOM(child) || isString(child)\r\n }\r\n const append = (child) => {\r\n let $child\r\n\r\n if (!isValidChild(child)) {\r\n return false\r\n }\r\n\r\n if (isDOM(child)) {\r\n $child = child\r\n } else if (isString(child)) {\r\n $child = document.createTextNode(child)\r\n }\r\n\r\n $fragment.appendChild($child)\r\n }\r\n\r\n if (isObject(attrs)) {\r\n Object.keys(attrs).forEach((attr) => {\r\n if (hasOwn(attrs, attr)) {\r\n setAttribute($el, attr, attrs[attr])\r\n }\r\n })\r\n } else if (isArray(attrs) && attrs.every((attr) => isValidChild(attr))) {\r\n attrs.forEach((child) => {\r\n append(child)\r\n })\r\n }\r\n\r\n if (isArray(children)) {\r\n children.forEach((child) => {\r\n append(child)\r\n })\r\n } else {\r\n append(children)\r\n }\r\n\r\n $el.appendChild($fragment)\r\n\r\n return $el\r\n}\r\n\r\nexport default createElement\r\n","/**\r\n * 给 DOM 节点设置属性/值\r\n * ========================================================================\r\n * @method setAttribute\r\n * @param {HTMLElement} el - DOM 节点\r\n * @param {String} attr - 属性名称\r\n * @param {String|Number|Boolean} value - 属性值\r\n */\r\nconst setAttribute = (el, attr, value) => {\r\n let tagName = el.tagName.toLowerCase()\r\n\r\n switch (attr) {\r\n case 'style':\r\n el.style.cssText = value\r\n break\r\n case 'value':\r\n if (tagName === 'input' || tagName === 'textarea') {\r\n el.value = value\r\n } else {\r\n el.setAttribute(attr, value)\r\n }\r\n break\r\n case 'className':\r\n el.className = value\r\n break\r\n default:\r\n el.setAttribute(attr, value)\r\n break\r\n }\r\n}\r\n\r\nexport default setAttribute\r\n","/**\r\n * 返回给定值的平方值\r\n * ========================================================================\r\n * @method easeInQuad\r\n * @param {Number} x\r\n * @returns {number}\r\n */\r\nconst easeInQuad = (x) => {\r\n return x * x\r\n}\r\n\r\nexport default easeInQuad\r\n","import isString from '../types/isString'\r\nimport isElement from '../types/isElement'\r\n\r\n/**\r\n * 通过给的 scrollElement 参数，获取滚动 DOM 元素\r\n * ========================================================================\r\n * @method _getScrollElement\r\n * @param {String|HTMLElement} scrollElement\r\n * @returns {Element}\r\n * @private\r\n */\r\nconst _getScrollElement = (scrollElement = null) => {\r\n let $rootElements\r\n let $scrollElement\r\n\r\n if (!scrollElement) {\r\n $rootElements = document.querySelectorAll('html,body')\r\n $scrollElement =\r\n $rootElements[0].scrollTop - $rootElements[1].scrollTop >= 0\r\n ? $rootElements[0]\r\n : $rootElements[1]\r\n } else {\r\n if (isString(scrollElement)) {\r\n $scrollElement = document.querySelector(scrollElement)\r\n } else if (isElement(scrollElement)) {\r\n $scrollElement = scrollElement\r\n }\r\n }\r\n\r\n return $scrollElement\r\n}\r\n\r\nexport default _getScrollElement\r\n","import isElement from '../types/isElement'\r\n/**\r\n * 检测 DOM 节点是否包含名为 className 的样式\r\n * ========================================================================\r\n * @method hasClass\r\n * @param {HTMLElement} el - DOM 节点\r\n * @param {String} className - 样式名称\r\n * @returns {Boolean}\r\n */\r\nconst hasClass = (el, className) => {\r\n const pattern = new RegExp('(\\\\s|^)' + className + '(\\\\s|$)')\r\n let allClass\r\n let classList\r\n\r\n if (!isElement(el)) {\r\n return false\r\n }\r\n\r\n allClass = el.className\r\n\r\n if (!allClass) {\r\n return false\r\n }\r\n\r\n classList = el.classList\r\n\r\n if (classList?.contains) {\r\n return el.classList.contains(className)\r\n }\r\n\r\n return !!allClass.match(pattern)\r\n}\r\n\r\nexport default hasClass\r\n","import hasClass from './hasClass'\r\n\r\n/**\r\n * 给 DOM 节点添加名为 className 的样式\r\n * ========================================================================\r\n * @method addClass\r\n * @param {HTMLElement} el - DOM 节点\r\n * @param {String} className - 样式名称\r\n * @returns {Boolean}\r\n */\r\nconst addClass = (el, className) => {\r\n let classList\r\n let allClass\r\n\r\n if (hasClass(el, className)) {\r\n return false\r\n }\r\n\r\n classList = el.classList\r\n\r\n if (classList?.add) {\r\n classList.add(className)\r\n } else {\r\n allClass = el.className\r\n allClass += allClass.length > 0 ? ' ' + className : className\r\n el.className = allClass\r\n }\r\n}\r\n\r\nexport default addClass\r\n","import trim from '../lang/trim'\r\nimport hasClass from './hasClass'\r\n\r\n/**\r\n * 移除 DOM 节点的 className 样式\r\n * ========================================================================\r\n * @method removeClass\r\n * @param {HTMLElement} el - DOM 节点\r\n * @param {String} className - 样式名称\r\n * @returns {Boolean}\r\n */\r\nconst removeClass = (el, className) => {\r\n let allClass = el.className\r\n let classList\r\n\r\n if (!allClass || !hasClass(el, className)) {\r\n return false\r\n }\r\n\r\n classList = el.classList\r\n\r\n if (classList?.remove) {\r\n classList.remove(className)\r\n } else {\r\n allClass = trim(allClass.replace(className, ''))\r\n el.className = allClass\r\n }\r\n}\r\n\r\nexport default removeClass\r\n","import isString from '../types/isString'\r\n\r\n/**\r\n * 清楚字符串起始位置所有的空格\r\n * ========================================================================\r\n * @method trim\r\n * @param {string} str\r\n * @returns {string|Boolean}\r\n */\r\nconst trim = (str) => {\r\n if (!isString(str)) {\r\n return false\r\n }\r\n return str.replace(/^\\s+|\\s+$/g, '')\r\n}\r\n\r\nexport default trim\r\n","/**\r\n * 获取 DOM 节点相对于窗口的 left （纵坐标）值\r\n * ========================================================================\r\n * @method offsetTop\r\n * @param {HTMLElement} el - DOM 节点\r\n * @returns {Number}\r\n */\r\nconst offsetTop = (el) => {\r\n let top = el.offsetTop\r\n\r\n if (el.offsetParent !== null) {\r\n top += offsetTop(el.offsetParent)\r\n }\r\n\r\n return top\r\n}\r\n\r\nexport default offsetTop\r\n","const setProperty = (prop, value) => {\r\n const documentElement = document.documentElement\r\n documentElement.style.setProperty(prop, value)\r\n}\r\n\r\nexport default setProperty\r\n","/**\r\n * 存储订阅者（主题和处理器的）私有对象\r\n * ========================================================================\r\n * @type {{}}\r\n * @private\r\n */\r\nconst _subscribers = {}\r\n\r\nexport default _subscribers\r\n","import _subscribers from './_subscribers'\r\nimport hasOwn from '../lang/hasOwn'\r\n\r\n/**\r\n * 判断是否存在与给定 topic 完全匹配的订阅者信息\r\n * ========================================================================\r\n * @method _hasDirectSubscribersFor\r\n * @param {String} topic - （必须）订阅主题字符串\r\n * @returns {Boolean}\r\n */\r\nconst _hasDirectSubscribersFor = (topic) => {\r\n return hasOwn(_subscribers, topic) && _subscribers[topic].length > 0\r\n}\r\n\r\nexport default _hasDirectSubscribersFor\r\n","import _hasDirectSubscribersFor from './_hasDirectSubscribersFor'\r\nimport _hasSubscribers from './_hasSubscribers'\r\n\r\n/**\r\n * 判断是否存在包含 topic 指定的订阅者信息\r\n * ========================================================================\r\n * @method has\r\n * @param {String} topic - （必须）主题名称\r\n * @param {Boolean} [isDirect] - （可选）是否为直接的主题，默认值：true\r\n * @returns {Boolean}\r\n */\r\nconst has = (topic, isDirect = true) => {\r\n return isDirect ? _hasDirectSubscribersFor(topic) : _hasSubscribers(topic)\r\n}\r\n\r\nexport default has\r\n","import _hasDirectSubscribersFor from './_hasDirectSubscribersFor'\r\n\r\n/**\r\n * 判断是否存在包含给定 topic 相关的订阅者信息\r\n * ========================================================================\r\n * @method _hasSubscribers\r\n * @param {String} topic - （必须）订阅主题字符串\r\n * @returns {Boolean}\r\n */\r\nconst _hasSubscribers = (topic) => {\r\n let found = _hasDirectSubscribersFor(topic)\r\n let position = topic.lastIndexOf('.')\r\n\r\n while (!found && position !== -1) {\r\n topic = topic.substring(0, position)\r\n position = topic.lastIndexOf('.')\r\n found = _hasDirectSubscribersFor(topic)\r\n }\r\n\r\n return found\r\n}\r\n\r\nexport default _hasSubscribers\r\n","import isTypedArray from '../types/isTypedArray'\r\nimport _subscribers from './_subscribers'\r\nimport has from './has'\r\nimport _hasDirectSubscribersFor from './_hasDirectSubscribersFor'\r\n\r\n/**\r\n * （异步）发布订阅主题信息\r\n * ========================================================================\r\n * 主题默认是异步发布的。确保在消费者处理主题时，主题的发起者不会被阻止。\r\n * ========================================================================\r\n * @method emit\r\n * @param {String} topic - （必须）主题名称\r\n * @param {Object} data - （必须）数据对象\r\n * @param {Boolean} async - (可选) 是否异步发布\r\n */\r\nconst emit = (topic, data, async = true) => {\r\n const execute = (topic) => {\r\n if (!_hasDirectSubscribersFor(topic)) {\r\n return false\r\n }\r\n\r\n _subscribers[topic].forEach((subscriber) => {\r\n // 针对 mqtt 消息服务返回的 Uint8Array 类似的 typed arrays 格式的数据\r\n // 采用 toString() 方法转化为普通（JSON）字符串\r\n const message = isTypedArray(data) ? data.toString() : data\r\n\r\n subscriber.callback.call(subscriber.context || subscriber, message)\r\n })\r\n }\r\n const deliver = () => {\r\n let subscriber = topic\r\n let position = topic.lastIndexOf('.')\r\n\r\n while (position !== -1) {\r\n subscriber = subscriber.substring(0, position)\r\n position = subscriber.lastIndexOf('.')\r\n\r\n execute(subscriber)\r\n }\r\n\r\n // 执行 topic 对应的处理器\r\n execute(topic)\r\n // 执行特殊 topic：'*'（监听全部消息的发布）\r\n execute('*')\r\n }\r\n\r\n if (!has(topic)) {\r\n return false\r\n }\r\n\r\n if (async) {\r\n setTimeout(deliver, 10)\r\n } else {\r\n deliver()\r\n }\r\n}\r\n\r\nexport default emit\r\n","import toString from '../lang/toString'\r\n/**\r\n * 判断检测数据是否为 Typed Arrays 类型的数据\r\n * ========================================================================\r\n * @param {*} val\r\n * @returns {boolean}\r\n */\r\nconst isTypedArray = (val) => {\r\n const TYPES = [\r\n '[object Int8Array]',\r\n '[object Uint8Array]',\r\n '[object Uint8ClampedArray]',\r\n '[object Int16Array]',\r\n '[object Uint16Array]',\r\n '[object Int32Array]',\r\n '[object Uint32Array]',\r\n '[object Float32Array]',\r\n '[object Float64Array]',\r\n '[object BigInt64Array]',\r\n '[object BigUint64Array]'\r\n ]\r\n\r\n return TYPES.indexOf(toString(val)) > -1\r\n}\r\n\r\nexport default isTypedArray\r\n","import Base from './base'\r\n\r\nimport isString from './utils/types/isString'\r\nimport isFunction from './utils/types/isFunction'\r\nimport isElement from './utils/types/isElement'\r\nimport later from './utils/lang/later'\r\nimport at from './utils/event/at'\r\nimport on from './utils/event/on'\r\nimport off from './utils/event/off'\r\nimport stop from './utils/event/stop'\r\nimport createElement from './utils/dom/createElement'\r\nimport scrollTo from './utils/dom/scrollTo'\r\nimport addClass from './utils/dom/addClass'\r\nimport intersection from './utils/dom/intersection'\r\nimport removeClass from './utils/dom/removeClass'\r\nimport offsetTop from './utils/dom/offsetTop'\r\nimport setProperty from './utils/dom/setProperty'\r\nimport publish from './utils/observer/emit'\r\n\r\nimport _getScrollElement from './utils/dom/_getScrollElement'\r\nimport _paintChapters from './_paintChapters'\r\n\r\nclass Chapters extends Base {\r\n constructor(options) {\r\n super()\r\n\r\n this.attrs = Chapters.DEFAULTS\r\n this.$el = null\r\n this.$title = null\r\n this.$main = null\r\n this.$list = null\r\n this.$placeholder = null\r\n this.$parentElement = null\r\n this.$scrollElement = null\r\n this.chapters = []\r\n this.closed = false\r\n this.active = 0\r\n this.offsetTop = 0\r\n this.offsetWidth = 0\r\n this.$active = null\r\n this.scrollTimer = null\r\n this.resizeTimer = null\r\n this.playing = false\r\n\r\n if (options) {\r\n this.initialize(options)\r\n }\r\n }\r\n\r\n initialize(options) {\r\n let created\r\n let parentElement\r\n let scrollElement\r\n let $parent\r\n\r\n this.attr(options)\r\n created = this.attr('created')\r\n parentElement = this.attr('parentElement')\r\n scrollElement = this.attr('scrollElement')\r\n\r\n if (isString(parentElement)) {\r\n $parent = document.querySelector(parentElement)\r\n } else if (isElement(parentElement)) {\r\n $parent = parentElement\r\n }\r\n this.$parentElement = $parent\r\n this.$scrollElement = _getScrollElement(scrollElement)\r\n\r\n this.chapters = this.attr('chapters')\r\n this.closed = this.attr('closed')\r\n this.active = this.attr('active')\r\n\r\n if (isFunction(created)) {\r\n created.call(this)\r\n }\r\n\r\n if (this.chapters.length < 1) {\r\n return this\r\n }\r\n\r\n this.render().addListeners()\r\n\r\n this.$active = document.querySelector(`#chapter-${this.active}`)\r\n\r\n return this\r\n }\r\n\r\n isClosed() {\r\n return this.closed\r\n }\r\n\r\n isSticky() {\r\n const position = this.attr('position')\r\n return position === 'sticky'\r\n }\r\n\r\n isFixed() {\r\n const position = this.attr('position')\r\n return position === 'fixed'\r\n }\r\n\r\n isInside() {\r\n return this.isFixed() || this.isSticky()\r\n }\r\n\r\n isOutside() {\r\n return !this.isInside()\r\n }\r\n\r\n _paintEdge() {\r\n const STICKY = 'outline-chapters_sticky'\r\n const FIXED = 'outline-chapters_fixed'\r\n const HIDDEN = 'outline-chapters_hidden'\r\n const title = this.attr('title')\r\n const customClass = this.attr('customClass')\r\n const $parentElement = this.$parentElement\r\n const contents = []\r\n let $title = null\r\n let $el\r\n let $main\r\n let $list\r\n let $placeholder\r\n\r\n if (!$parentElement) {\r\n return this\r\n }\r\n\r\n if (this.isInside()) {\r\n $title = createElement(\r\n 'h2',\r\n {\r\n className: 'outline-chapters__title'\r\n },\r\n [title]\r\n )\r\n this.$title = $title\r\n contents.push($title)\r\n }\r\n\r\n $list = createElement(\r\n 'ul',\r\n {\r\n // 为优化性能，添加了 _fixed 和 _hidden\r\n // fixed 为了让 $list 脱离流布局\r\n // hidden 让 $list 不可见\r\n className: `outline-chapters__list ${FIXED} ${HIDDEN}`\r\n },\r\n ['']\r\n )\r\n this.$list = $list\r\n\r\n $placeholder = createElement(\r\n 'div',\r\n {\r\n className: 'outline-chapters__placeholder'\r\n },\r\n ['']\r\n )\r\n this.$placeholder = $placeholder\r\n\r\n $main = createElement(\r\n 'div',\r\n {\r\n className: 'outline-chapters__main'\r\n },\r\n [$list, $placeholder]\r\n )\r\n this.$main = $main\r\n contents.push($main)\r\n\r\n $el = createElement(\r\n 'nav',\r\n {\r\n id: 'outline-chapters',\r\n className: 'outline-chapters'\r\n },\r\n contents\r\n )\r\n this.$el = $el\r\n\r\n if (this.isSticky()) {\r\n this.calculateStickyHeight()\r\n addClass($el, STICKY)\r\n }\r\n\r\n if (customClass) {\r\n addClass($el, customClass)\r\n }\r\n\r\n $parentElement.appendChild($el)\r\n\r\n return this\r\n }\r\n\r\n render() {\r\n const FIXED = 'outline-chapters_fixed'\r\n const HIDDEN = 'outline-chapters_hidden'\r\n const showCode = this.attr('showCode')\r\n const mounted = this.attr('mounted')\r\n const $parentElement = this.$parentElement\r\n let $el\r\n let $list\r\n\r\n if (!$parentElement) {\r\n return this\r\n }\r\n\r\n this._paintEdge()\r\n\r\n $list = this.$list\r\n _paintChapters($list, this.chapters, showCode)\r\n removeClass($list, FIXED)\r\n removeClass($list, HIDDEN)\r\n\r\n $el = this.$el\r\n this.offsetTop = offsetTop($el)\r\n this.offsetWidth = $el.offsetWidth\r\n\r\n if (this.isFixed()) {\r\n this.sticky()\r\n setProperty('--outline-chapters-width', `${this.offsetWidth}px`)\r\n }\r\n\r\n if (isFunction(mounted)) {\r\n mounted.call(this)\r\n }\r\n\r\n this.onObserver()\r\n\r\n return this\r\n }\r\n\r\n highlight(id) {\r\n const $anchor = this.$el.querySelector(`#chapter__anchor-${id}`)\r\n const HIGHLIGHT = 'outline-chapters_active'\r\n const $placeholder = this.$placeholder\r\n let top\r\n\r\n if (this.$active) {\r\n removeClass(this.$active, HIGHLIGHT)\r\n }\r\n\r\n this.active = parseInt($anchor.getAttribute('data-id'), 10)\r\n this.$active = $anchor\r\n addClass(this.$active, HIGHLIGHT)\r\n\r\n top = 30 * this.active\r\n $placeholder.style.top = `calc(0.5em + ${top}px)`\r\n\r\n return this\r\n }\r\n\r\n sticky() {\r\n const afterSticky = this.attr('afterSticky')\r\n const FIXED = 'outline-chapters_fixed'\r\n const $el = this.$el\r\n const top = this.offsetTop\r\n const scrollTop = this.$scrollElement.scrollTop\r\n let isStickying\r\n\r\n if (!this.isFixed()) {\r\n return this\r\n }\r\n\r\n isStickying = !!(scrollTop >= top)\r\n\r\n if (isStickying) {\r\n addClass($el, FIXED)\r\n } else {\r\n removeClass($el, FIXED)\r\n }\r\n\r\n if (isFunction(afterSticky)) {\r\n afterSticky.call(this, this.isClosed(), isStickying)\r\n }\r\n\r\n return this\r\n }\r\n\r\n calculateStickyHeight() {\r\n const documentElement = document.documentElement\r\n const height = Math.max(\r\n documentElement.clientHeight || 0,\r\n window.innerHeight || 0\r\n )\r\n setProperty('--outline-sticky-height', `${height}px`)\r\n return this\r\n }\r\n\r\n scrollTo(top, after) {\r\n const el = this.$scrollElement\r\n\r\n scrollTo(el, top, after)\r\n\r\n return this\r\n }\r\n\r\n show() {\r\n const FOLDED = 'outline-chapters_folded'\r\n const HIDDEN = 'outline-chapters_hidden'\r\n const opened = this.attr('afterOpened')\r\n const $el = this.$el\r\n const $parent = this.$parentElement\r\n\r\n if (this.isInside()) {\r\n removeClass($parent, HIDDEN)\r\n removeClass($el, HIDDEN)\r\n later(() => {\r\n removeClass($parent, FOLDED)\r\n removeClass($el, FOLDED)\r\n }, 30)\r\n } else {\r\n removeClass($el, HIDDEN)\r\n }\r\n this.closed = false\r\n\r\n if (isFunction(opened)) {\r\n opened.call(this)\r\n }\r\n\r\n return this\r\n }\r\n\r\n hide() {\r\n const FOLDED = 'outline-chapters_folded'\r\n const HIDDEN = 'outline-chapters_hidden'\r\n const closed = this.attr('afterClosed')\r\n const $el = this.$el\r\n const $parent = this.$parentElement\r\n\r\n if (this.isInside()) {\r\n addClass($parent, FOLDED)\r\n addClass($el, FOLDED)\r\n later(() => {\r\n addClass($parent, HIDDEN)\r\n addClass($el, HIDDEN)\r\n })\r\n } else {\r\n addClass($el, HIDDEN)\r\n }\r\n this.closed = true\r\n\r\n if (isFunction(closed)) {\r\n closed.call(this)\r\n }\r\n\r\n return this\r\n }\r\n\r\n toggle() {\r\n const afterToggle = this.attr('afterToggle')\r\n const top = this.offsetTop\r\n const scrollTop = this.$scrollElement.scrollTop\r\n let isStickying\r\n\r\n if (this.isClosed()) {\r\n this.show()\r\n } else {\r\n this.hide()\r\n }\r\n\r\n if (isFunction(afterToggle)) {\r\n later(() => {\r\n isStickying = !!(scrollTop >= top)\r\n afterToggle.call(this, this.isClosed(), isStickying)\r\n })\r\n }\r\n\r\n return this\r\n }\r\n\r\n destroy() {\r\n const beforeDestroy = this.attr('beforeDestroy')\r\n const afterDestroy = this.attr('afterDestroy')\r\n\r\n if (isFunction(beforeDestroy)) {\r\n beforeDestroy.call(this)\r\n }\r\n\r\n this.removeListeners()\r\n this.$parentElement.removeChild(this.$el)\r\n\r\n this.attr(Chapters.DEFAULTS)\r\n this.$el = null\r\n this.$title = null\r\n this.$main = null\r\n this.$list = null\r\n this.$placeholder = null\r\n this.$parentElement = null\r\n this.$scrollElement = null\r\n this.chapters = []\r\n this.active = 0\r\n this.offsetTop = 0\r\n this.$active = null\r\n this.closed = false\r\n\r\n if (this.scrollTimer) {\r\n clearTimeout(this.scrollTimer)\r\n this.scrollTimer = null\r\n }\r\n\r\n if (this.resizeTimer) {\r\n clearTimeout(this.resizeTimer)\r\n this.resizeTimer = null\r\n }\r\n\r\n if (isFunction(afterDestroy)) {\r\n afterDestroy.call(this)\r\n }\r\n\r\n return this\r\n }\r\n\r\n onObserver() {\r\n let timer = null\r\n\r\n intersection(\r\n ($heading) => {\r\n const id = $heading.getAttribute('data-id')\r\n\r\n if (this.playing) {\r\n return false\r\n }\r\n\r\n if (timer) {\r\n clearTimeout(timer)\r\n }\r\n\r\n timer = later(() => {\r\n this.highlight(id)\r\n }, 100)\r\n },\r\n { context: this }\r\n )\r\n\r\n return this\r\n }\r\n\r\n onSelect(evt) {\r\n const stickyHeight = this.attr('stickyHeight')\r\n const $anchor = evt.delegateTarget\r\n const id = $anchor.getAttribute('data-id')\r\n const headingId = $anchor.href.split('#')[1]\r\n const $heading = document.querySelector(`#${headingId}`)\r\n const top = offsetTop($heading) - (stickyHeight + 10)\r\n const min = 0\r\n const max = this.$scrollElement.scrollHeight\r\n const afterScroll = this.attr('afterScroll')\r\n const after = () => {\r\n if (isFunction(afterScroll)) {\r\n afterScroll.call(this, 'chapter')\r\n }\r\n\r\n later(() => {\r\n this.playing = false\r\n publish('toolbar:update', {\r\n top,\r\n min,\r\n max\r\n })\r\n })\r\n }\r\n\r\n this.playing = true\r\n if (this.isFixed()) {\r\n this.sticky()\r\n later(() => {\r\n this.scrollTo(top, after)\r\n this.highlight(id)\r\n }, 10)\r\n } else {\r\n this.scrollTo(top, after)\r\n this.highlight(id)\r\n }\r\n\r\n stop(evt)\r\n\r\n return this\r\n }\r\n\r\n onScroll() {\r\n const $scrollElement = this.$scrollElement\r\n\r\n if (this.scrollTimer) {\r\n clearTimeout(this.scrollTimer)\r\n }\r\n\r\n this.scrollTimer = later(() => {\r\n const top = $scrollElement.scrollTop\r\n const min = 0\r\n const max = $scrollElement.scrollHeight - $scrollElement.clientHeight\r\n\r\n if (this.isFixed()) {\r\n this.sticky()\r\n }\r\n\r\n publish('toolbar:update', {\r\n top,\r\n min,\r\n max\r\n })\r\n }, 50)\r\n\r\n return this\r\n }\r\n\r\n onResize() {\r\n if (this.resizeTimer) {\r\n clearTimeout(this.resizeTimer)\r\n }\r\n\r\n this.resizeTimer = later(() => {\r\n this.calculateStickyHeight()\r\n })\r\n\r\n return this\r\n }\r\n\r\n addListeners() {\r\n const $el = this.$el\r\n const $scrollElement = this.$scrollElement\r\n const tagName = $scrollElement.tagName.toLowerCase()\r\n let $element = $scrollElement\r\n\r\n if (tagName === 'html' || tagName === 'body') {\r\n $element = window\r\n }\r\n\r\n on($el, '.outline-chapters__anchor', 'click', this.onSelect, this, true)\r\n at($element, 'scroll', this.onScroll, this, true)\r\n if (this.isSticky()) {\r\n at($element, 'resize', this.onResize, this, true)\r\n }\r\n\r\n return this\r\n }\r\n\r\n removeListeners() {\r\n const $el = this.$el\r\n const $scrollElement = this.$scrollElement\r\n const tagName = $scrollElement.tagName.toLowerCase()\r\n let $element = $scrollElement\r\n\r\n if (tagName === 'html' || tagName === 'body') {\r\n $element = window\r\n }\r\n\r\n off($el, 'click', this.onSelect)\r\n off($element, 'scroll', this.onScroll)\r\n if (this.isSticky()) {\r\n at($element, 'resize', this.onResize)\r\n }\r\n\r\n return this\r\n }\r\n}\r\n\r\nChapters.DEFAULTS = {\r\n parentElement: '',\r\n scrollElement: '',\r\n selector: '',\r\n active: 0,\r\n closed: false,\r\n showCode: true,\r\n position: 'relative',\r\n stickyHeight: 0,\r\n chapters: [],\r\n created: null,\r\n mounted: null,\r\n afterClosed: null,\r\n afterOpened: null,\r\n afterScroll: null,\r\n beforeDestroy: null,\r\n afterDestroy: null,\r\n afterSticky: null\r\n}\r\n\r\nexport default Chapters\r\n","import createElement from './utils/dom/createElement'\r\n\r\nconst _paintChapters = ($list, chapters, showCode = false) => {\r\n const byId = (id) => document.getElementById(id)\r\n\r\n chapters.forEach((chapter) => {\r\n const pid = chapter.pid\r\n const id = chapter.id\r\n const rel = chapter.rel\r\n const $text = createElement(\r\n 'span',\r\n {\r\n className: 'outline-chapters__text'\r\n },\r\n [chapter.text]\r\n )\r\n const $link = createElement(\r\n 'a',\r\n {\r\n id: `chapter__anchor-${id}`,\r\n className: 'outline-chapters__anchor',\r\n href: '#' + rel,\r\n rel: rel,\r\n 'data-id': id\r\n },\r\n [$text]\r\n )\r\n let $code\r\n let $li\r\n let $ul\r\n let $parent\r\n\r\n if (showCode) {\r\n $code = createElement(\r\n 'span',\r\n {\r\n className: 'outline-chapters__code',\r\n 'data-id': id\r\n },\r\n [chapter.code]\r\n )\r\n\r\n $link.insertBefore($code, $link.firstChild)\r\n }\r\n\r\n $li = createElement(\r\n 'li',\r\n {\r\n id: `chapter-${id}`,\r\n className: 'outline-chapters__item',\r\n 'data-id': id\r\n },\r\n [$link]\r\n )\r\n\r\n if (pid === -1) {\r\n $list.appendChild($li)\r\n } else {\r\n $parent = byId(`chapter-${pid}`)\r\n $ul = byId(`subject-${pid}`)\r\n\r\n if (!$ul) {\r\n $ul = createElement(\r\n 'ul',\r\n {\r\n id: 'subject-' + pid,\r\n className: 'outline-chapters__subject'\r\n },\r\n [$li]\r\n )\r\n\r\n $parent.appendChild($ul)\r\n } else {\r\n $ul.appendChild($li)\r\n }\r\n }\r\n })\r\n}\r\n\r\nexport default _paintChapters\r\n","import easeInQuad from '../lang/easeInQuad'\r\nimport isFunction from '../types/isFunction'\r\nimport _getScrollElement from './_getScrollElement'\r\n\r\n/**\r\n * 指定 rootElement DOM 节点滚动到指定 top 位置\r\n * ========================================================================\r\n * @method scrollTo\r\n * @param {HTMLElement|Object} [scrollElement] - （必须）要滚动的 DOM 节点\r\n * @param {Number} top - （必须）滚动的 scrollTop 数值\r\n * @param {Function} [afterStop] - （可选）滚动完成的回调函数\r\n */\r\nconst scrollTo = (scrollElement, top, afterStop) => {\r\n const $scrollElement = _getScrollElement(scrollElement)\r\n let scrollTop = $scrollElement.scrollTop\r\n let step = 0\r\n const distance = top - scrollTop\r\n const MAX_HEIGHT = $scrollElement.scrollHeight\r\n const MAX_TOP = top - MAX_HEIGHT <= 0 ? top : MAX_HEIGHT\r\n const stop = (top) => {\r\n if (isFunction(afterStop)) {\r\n afterStop(top)\r\n }\r\n\r\n return false\r\n }\r\n const play = () => {\r\n step += 1\r\n\r\n // 向上滚动\r\n if (distance < 0) {\r\n scrollTop -= easeInQuad(step)\r\n $scrollElement.scrollTop = scrollTop\r\n\r\n if (scrollTop <= top) {\r\n $scrollElement.scrollTop = top\r\n return stop(top)\r\n }\r\n } else {\r\n scrollTop += easeInQuad(step)\r\n $scrollElement.scrollTop = scrollTop\r\n\r\n if (scrollTop >= MAX_TOP) {\r\n $scrollElement.scrollTop = MAX_TOP\r\n return stop(MAX_TOP)\r\n }\r\n }\r\n\r\n requestAnimationFrame(play)\r\n }\r\n\r\n requestAnimationFrame(play)\r\n}\r\n\r\nexport default scrollTo\r\n","import isFunction from '../types/isFunction'\r\nimport isElement from '../types/isElement'\r\n\r\n/**\r\n * 通用的 IntersectionObserver 观察者处理器\r\n * ========================================================================\r\n * @method intersection\r\n * @param {Function} fn\r\n * @param {Object} [props]\r\n * @param {Object|HTMLElement} [props.root]\r\n * @param {String} [props.selector]\r\n * @param {Object} [props.context]\r\n * @param {String} [props.attr]\r\n * @param {String} [props.rootMargin]\r\n */\r\nconst intersection = (fn, props = {}) => {\r\n const root = props.root || null\r\n const selector = props.selector || '.outline-heading'\r\n const context = props.context || null\r\n const rootMargin = props.rootMargin || '0px 0px -90% 0px'\r\n const options = {\r\n rootMargin: rootMargin\r\n }\r\n const Observer = new IntersectionObserver((entries) => {\r\n entries.forEach((entry) => {\r\n if (entry.intersectionRatio > 0) {\r\n if (isFunction(fn)) {\r\n fn.call(context || entry.target, entry.target)\r\n }\r\n }\r\n })\r\n }, options)\r\n const $root = isElement(root) ? root : document\r\n\r\n if (root) {\r\n options.root = root\r\n }\r\n\r\n $root.querySelectorAll(selector).forEach((section) => {\r\n Observer.observe(section)\r\n })\r\n}\r\n\r\nexport default intersection\r\n","/**\r\n * 停止事件（阻止默认行为和阻止事件的捕获或冒泡）\r\n * ========================================================================\r\n * @method stop\r\n * @param {Event} evt - 事件对象\r\n *\r\n * @example\r\n *
\r\n * Service\r\n * Help\r\n *
\r\n *\r\n * const $nav = document.querySelector('#nav')\r\n * const $service = document.querySelector('.anchor')\r\n *\r\n * on($nav, 'click', function(evt) {\r\n * console.log('你点击了导航栏')\r\n * })\r\n *\r\n * on($anchor, 'click', function(evt) {\r\n * console.log('tagName', this.tagName)\r\n *\r\n * // 工作台输出：'a'\r\n * // 不会触发事件冒泡，输出：'你点击了导航栏'\r\n * // 也不会切换到 href 属性的页面，阻止了点击链接的默认行为\r\n * stopEvent(evt)\r\n * })\r\n */\r\nconst stop = function (evt) {\r\n evt.stopPropagation()\r\n evt.preventDefault()\r\n}\r\n\r\nexport default 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\ No newline at end of file diff --git a/docs/fixed.html b/docs/fixed.html index 9305531e..c6cc194e 100644 --- a/docs/fixed.html +++ b/docs/fixed.html @@ -111,7 +111,32 @@ new Outline({ // 设置深色配置界面 customClass: 'theme-dark' -})

afterSticky

Description

Type：
Function
Default：
null

可选，在设置 position: fixed 时，当导航菜单样式为 fixed 获取恢复为普通定位的时候，会触发执行 afterSticky 回调函数。

说明：afterSticky() 回调函数的 this 上下文执行 outline.chapters 对象。

Parameters

closed
Type：
Boolean

closed 参数值为 true 表示菜单处于隐藏状态，否则表示菜单处于显示状态

isSticky
Type：
Boolean

isSticky 参数值为 true 表示（position:fixed）菜单处于模拟 sticky 定位（position:fixed）状态，否则表示菜单处于普通状态。

const $header = document.querySelector('#header')
+})

afterScroll

Description

Type：
Function
Default：
null

可选，当点击导航菜单、文章中的 anchor 图标（#）或者上下滚动按钮会触发滚动，afterScroll() 回调函数会在滚动结束后触发执行。

Parameters

target
Type：
String

afterScroll() 回调函数有一个参数 target，返回的是当前点击的 DOM 元素的名称：

  • 'anchor'：表示点击的是 anchor 图标，即文章中标题前的 “#” 图标，此时的 this 上下文指向 outline.anchors；
  • 'chapter'：表示点击的是导航菜单的链接，此时的 this 上下文指向 outline.chapters；
  • 'up'：表示点击的是工具栏的向上按钮，此时的 this 上下文指向 outline.toolbar；
  • 'down'：表示点击的是工具栏的向下按钮，此时的 this 上下文指向 outline.toolbar；

注意：因为配置 afterScroll 回调函数会因为 4 个不同的 DOM 触发，所以需要根据 target 返回的值和此时的 this 指向判断处理。

const defaults = Outline.DEFAULTS
+let outline
+
+defaults.position = 'fixed'
+defaults.parentElement = '#aside'
+defaults.stickyHeight = 86
+defaults.homepage = './index.html'
+defaults.afterScroll = function(target) {
+  // 当然，如果你希望无论是点击什么都执行，就不需要判断了
+  // 直接些通用的滚动结束的逻辑即可
+  switch(target){
+    case 'anchor':
+      // 针对点击 # 的处理逻辑
+      break
+    case 'chapter':
+      // 针对点击导航菜单的处理逻辑
+      break
+    case 'up':
+      // 针对点击向上滚动按钮的处理逻辑
+      break
+    case 'down':
+      // 针对点击向下滚动按钮的处理逻辑
+      break
+  }
+}
+outline = new Outline(Outline.DEFAULTS)

afterSticky

Description

Type：
Function
Default：
null

可选，在设置 position: fixed 时，当导航菜单样式为 fixed 获取恢复为普通定位的时候，会触发执行 afterSticky 回调函数。

说明：afterSticky() 回调函数的 this 上下文执行 outline.chapters 对象。

Parameters

closed
Type：
Boolean

closed 参数值为 true 表示菜单处于隐藏状态，否则表示菜单处于显示状态

isSticky
Type：
Boolean

isSticky 参数值为 true 表示（position:fixed）菜单处于模拟 sticky 定位（position:fixed）状态，否则表示菜单处于普通状态。

const $header = document.querySelector('#header')
 const HEADER_STICKY = 'header_sticky'
 const defaults = Outline.DEFAULTS
 let outline
@@ -825,4 +850,7 @@
     $header.classList.add(HEADER_STICKY)
   }
 }
+defaults.afterScroll = function(top) {
+  console.log('top', top)
+}
 outline = new Outline(Outline.DEFAULTS)
\ No newline at end of file
diff --git a/docs/flex.html b/docs/flex.html
index 581eebf4..c532377d 100644
--- a/docs/flex.html
+++ b/docs/flex.html
@@ -117,7 +117,32 @@
 new Outline({
   // 设置深色配置界面
   customClass: 'theme-dark'
-})

afterSticky

Description

Type：
Function
Default：
null

可选，在设置 position: fixed 时，当导航菜单样式为 fixed 获取恢复为普通定位的时候，会触发执行 afterSticky 回调函数。

说明：afterSticky() 回调函数的 this 上下文执行 outline.chapters 对象。

Parameters

closed
Type：
Boolean

closed 参数值为 true 表示菜单处于隐藏状态，否则表示菜单处于显示状态

isSticky
Type：
Boolean

isSticky 参数值为 true 表示（position:fixed）菜单处于模拟 sticky 定位（position:fixed）状态，否则表示菜单处于普通状态。

const $header = document.querySelector('#header')
+})

afterScroll

Description

Type：
Function
Default：
null

可选，当点击导航菜单、文章中的 anchor 图标（#）或者上下滚动按钮会触发滚动，afterScroll() 回调函数会在滚动结束后触发执行。

Parameters

target
Type：
String

afterScroll() 回调函数有一个参数 target，返回的是当前点击的 DOM 元素的名称：

  • 'anchor'：表示点击的是 anchor 图标，即文章中标题前的 “#” 图标，此时的 this 上下文指向 outline.anchors；
  • 'chapter'：表示点击的是导航菜单的链接，此时的 this 上下文指向 outline.chapters；
  • 'up'：表示点击的是工具栏的向上按钮，此时的 this 上下文指向 outline.toolbar；
  • 'down'：表示点击的是工具栏的向下按钮，此时的 this 上下文指向 outline.toolbar；

注意：因为配置 afterScroll 回调函数会因为 4 个不同的 DOM 触发，所以需要根据 target 返回的值和此时的 this 指向判断处理。

const defaults = Outline.DEFAULTS
+let outline
+
+defaults.position = 'fixed'
+defaults.parentElement = '#aside'
+defaults.stickyHeight = 86
+defaults.homepage = './index.html'
+defaults.afterScroll = function(target) {
+  // 当然，如果你希望无论是点击什么都执行，就不需要判断了
+  // 直接些通用的滚动结束的逻辑即可
+  switch(target){
+    case 'anchor':
+      // 针对点击 # 的处理逻辑
+      break
+    case 'chapter':
+      // 针对点击导航菜单的处理逻辑
+      break
+    case 'up':
+      // 针对点击向上滚动按钮的处理逻辑
+      break
+    case 'down':
+      // 针对点击向下滚动按钮的处理逻辑
+      break
+  }
+}
+outline = new Outline(Outline.DEFAULTS)

afterSticky

Description

Type：
Function
Default：
null

可选，在设置 position: fixed 时，当导航菜单样式为 fixed 获取恢复为普通定位的时候，会触发执行 afterSticky 回调函数。

说明：afterSticky() 回调函数的 this 上下文执行 outline.chapters 对象。

Parameters

closed
Type：
Boolean

closed 参数值为 true 表示菜单处于隐藏状态，否则表示菜单处于显示状态

isSticky
Type：
Boolean

isSticky 参数值为 true 表示（position:fixed）菜单处于模拟 sticky 定位（position:fixed）状态，否则表示菜单处于普通状态。

const $header = document.querySelector('#header')
 const HEADER_STICKY = 'header_sticky'
 const defaults = Outline.DEFAULTS
 let outline
diff --git a/docs/index.html b/docs/index.html
index f9fdd0b2..942c330d 100644
--- a/docs/index.html
+++ b/docs/index.html
@@ -1,4 +1,4 @@
-outline.js | 自动生成文章导读（Table of Contents）导航的 JavaScript 工具。
outline.js
outline.js - 自动生成文章导读（Table of Contents）导航的 JavaScript 工具。
<script src="https://cdn.jsdelivr.net/gh/yaohaixiao/outline.js/outline.min.js"></script>
Download Zip
Options
outline.js 有者丰富的配置选项，以便适应不同的展示方式。
articleElement
Description
Type：
String|HTMLElement
Default：
'#article'
String：
选择器字符串，默认值：html,body（即 window 窗口）;
HTMLElement：
'DOM 元素;
可选，用来指定页面中显示文章正文的 DOM 节点或者选择器字符串。
// Default Selector
+outline.js | 自动生成文章导读（Table of Contents）导航的 JavaScript 工具。
outline.js
outline.js - 自动生成文章导读（Table of Contents）导航的 JavaScript 工具。
<script src="https://cdn.jsdelivr.net/gh/yaohaixiao/outline.js/outline.min.js"></script>
Download Zip
Options
outline.js 有者丰富的配置选项，以便适应不同的展示方式。
articleElement
Description
Type：
String|HTMLElement
Default：
'#article'
String：
选择器字符串，默认值：html,body（即 window 窗口）;
HTMLElement：
'DOM 元素;
可选，用来指定页面中显示文章正文的 DOM 节点或者选择器字符串。
// Default Selector
 const outline = new Outline(Outline.DEFAULTS)
 
 // Customize Selector
@@ -54,7 +54,32 @@
 new Outline({
   // 设置深色配置界面
   customClass: 'theme-dark'
-})
afterSticky
Description
Type：
Function
Default：
null
可选，在设置 position: fixed 时，当导航菜单样式为 fixed 获取恢复为普通定位的时候，会触发执行 afterSticky 回调函数。
说明：afterSticky() 回调函数的 this 上下文执行 outline.chapters 对象。
Parameters
closed
Type：
Boolean
closed 参数值为 true 表示菜单处于隐藏状态，否则表示菜单处于显示状态
isSticky
Type：
Boolean
isSticky 参数值为 true 表示（position:fixed）菜单处于模拟 sticky 定位（position:fixed）状态，否则表示菜单处于普通状态。
const $header = document.querySelector('#header')
+})
afterScroll
Description
Type：
Function
Default：
null
可选，当点击导航菜单、文章中的 anchor 图标（#）或者上下滚动按钮会触发滚动，afterScroll() 回调函数会在滚动结束后触发执行。
Parameters
target
Type：
String
afterScroll() 回调函数有一个参数 target，返回的是当前点击的 DOM 元素的名称：
  • 'anchor'：表示点击的是 anchor 图标，即文章中标题前的 “#” 图标，此时的 this 上下文指向 outline.anchors；
  • 'chapter'：表示点击的是导航菜单的链接，此时的 this 上下文指向 outline.chapters；
  • 'up'：表示点击的是工具栏的向上按钮，此时的 this 上下文指向 outline.toolbar；
  • 'down'：表示点击的是工具栏的向下按钮，此时的 this 上下文指向 outline.toolbar；
注意：因为配置 afterScroll 回调函数会因为 4 个不同的 DOM 触发，所以需要根据 target 返回的值和此时的 this 指向判断处理。
const defaults = Outline.DEFAULTS
+let outline
+
+defaults.position = 'fixed'
+defaults.parentElement = '#aside'
+defaults.stickyHeight = 86
+defaults.homepage = './index.html'
+defaults.afterScroll = function(target) {
+  // 当然，如果你希望无论是点击什么都执行，就不需要判断了
+  // 直接些通用的滚动结束的逻辑即可
+  switch(target){
+    case 'anchor':
+      // 针对点击 # 的处理逻辑
+      break
+    case 'chapter':
+      // 针对点击导航菜单的处理逻辑
+      break
+    case 'up':
+      // 针对点击向上滚动按钮的处理逻辑
+      break
+    case 'down':
+      // 针对点击向下滚动按钮的处理逻辑
+      break
+  }
+}
+outline = new Outline(Outline.DEFAULTS)
afterSticky
Description
Type：
Function
Default：
null
可选，在设置 position: fixed 时，当导航菜单样式为 fixed 获取恢复为普通定位的时候，会触发执行 afterSticky 回调函数。
说明：afterSticky() 回调函数的 this 上下文执行 outline.chapters 对象。
Parameters
closed
Type：
Boolean
closed 参数值为 true 表示菜单处于隐藏状态，否则表示菜单处于显示状态
isSticky
Type：
Boolean
isSticky 参数值为 true 表示（position:fixed）菜单处于模拟 sticky 定位（position:fixed）状态，否则表示菜单处于普通状态。
const $header = document.querySelector('#header')
 const HEADER_STICKY = 'header_sticky'
 const defaults = Outline.DEFAULTS
 let outline
diff --git a/docs/js/outline.min.js b/docs/js/outline.min.js
index e7ab344a..02a5df24 100644
--- a/docs/js/outline.min.js
+++ b/docs/js/outline.min.js
@@ -1,2 +1,2 @@
-!function(t,e){"object"==typeof exports&&"undefined"!=typeof module?module.exports=e():"function"==typeof define&&define.amd?define(e):(t="undefined"!=typeof globalThis?globalThis:t||self).Outline=e()}(this,(function(){"use strict";const t=t=>"string"==typeof t,e=(t,e)=>{const s=Object.prototype.hasOwnProperty;return t&&s.call(t,e)},s=t=>Object.prototype.toString.apply(t),i=t=>"function"==typeof t||"[object Function]"===s(t),r=t=>("[object Object]"===s(t)||"object"==typeof t||i(t))&&null!==t;class l{constructor(t){this.attrs={},t&&this.initialize(t)}initialize(t){return this.attr(t).render().addListeners(),this}attr(s,i){const l=this.attrs;return t(s)?i&&e(l,s)?(l[s]=i,this):l[s]:r(s)?(n=l,o=s,Object.keys(o).forEach((t=>{e(o,t)&&(n[t]=o[t])})),this):0===arguments.length?l:this;var n,o}render(){return this}destroy(){return this.removeListeners(),this}reload(t){return this.destroy().initialize(this.attr(t)),this}addListeners(){return this}removeListeners(){return this}}const n=t=>!!(r(t)&&t.nodeName&&t.tagName&&1===t.nodeType),o=(t,e=300)=>!!i(t)&&setTimeout((()=>{t()}),e),h=t=>t*t,a=(e=null)=>{let s,i;return e?t(e)?i=document.querySelector(e):n(e)&&(i=e):(s=document.querySelectorAll("html,body"),i=s[0].scrollTop-s[1].scrollTop>=0?s[0]:s[1]),i},c=(t,e,s)=>{const r=a(t);let l=r.scrollTop,n=0;const o=e-l,c=r.scrollHeight,d=e-c<=0?e:c,u=t=>(i(s)&&s(t),!1),p=()=>{if(n+=1,o<0){if(l-=h(n),r.scrollTop=l,l<=e)return r.scrollTop=e,u(e)}else if(l+=h(n),r.scrollTop=l,l>=d)return r.scrollTop=d,u(d);requestAnimationFrame(p)};requestAnimationFrame(p)},d=t=>{let e=t.offsetTop;return null!==t.offsetParent&&(e+=d(t.offsetParent)),e},u=(t,e="")=>{const s=e.replace(/^>/i,"");return!!(e&&s&&t)&&(t.matches?t.matches(s):!!t.msMatchesSelector&&t.msMatchesSelector(s))},p=t=>t.host&&t!==document&&t.host.nodeType?t.host:t.parentNode,m=["focusout","blur","focusin","focus","load","unload","mouseenter","mouseleave"],f=(t,e,s)=>{const i=m.indexOf(e)>-1;s._delegateListener&&delete(s=s._delegateListener)._delegateListener,function(t,e,s){const i=t._listeners;let r=-1;if(i.length<1)return!1;i.forEach(((t,i)=>{const l=t.fn;e===t.type&&(r=i,l===s&&(r=i))})),r>-1&&i.splice(r,1)}(t,e,s),t.removeEventListener(e,s,i)},g=function(e,s,i=!1){const r=t(e)?document.querySelector(e):e,l=r.childNodes,o=((e,s)=>{let i=e._listeners||[];return t(s)&&s&&(i=i.filter((t=>t.type===s))),i})(r,s);o.forEach((t=>{f(r,t.type,t.fn)})),(i||!0===s||1===arguments.length)&&r&&l&&l.forEach((t=>{n(t)&&g(t,s,i)}))},y=(t,e,s)=>{if(!i(s))return g(t,e);f(t,e,s)},b=(t,e,s,i,r,l,n=!1)=>{const o=m.indexOf(s)>-1,h=function(o){const a=function(t){const e=t.target;return(s=e)&&3===s.nodeType?s.parentNode:s;var s}(o),c=((t,e,s,i)=>{const r=s||document;if(!t)return null;do{if(null!=e&&(">"===e[0]?t.parentNode===r&&u(t,e):u(t,e))||i&&t===r)return t;if(t===r)break}while(t=p(t))})(a,e,t);let d=l||t;o.delegateTarget=c,!0===l&&(d=r),c&&(!0===n&&y(t,s,h),i.call(d,o,r))};t._listeners||(t._listeners=[]),t._listeners.push({el:t,selector:e,type:s,fn:h,data:r,context:l,capture:o}),i._delegateListener=h,t.addEventListener(s,h,o)},$=function(t){t.stopPropagation(),t.preventDefault()},v={},E=t=>e(v,t)&&v[t].length>0,_=(t,e=!0)=>e?E(t):(t=>{let e=E(t),s=t.lastIndexOf(".");for(;!e&&-1!==s;)s=(t=t.substring(0,s)).lastIndexOf("."),e=E(t);return e})(t),T=(t,e,i=!0)=>{const r=t=>{if(!E(t))return!1;v[t].forEach((t=>{const i=["[object Int8Array]","[object Uint8Array]","[object Uint8ClampedArray]","[object Int16Array]","[object Uint16Array]","[object Int32Array]","[object Uint32Array]","[object Float32Array]","[object Float64Array]","[object BigInt64Array]","[object BigUint64Array]"].indexOf(s(e))>-1?e.toString():e;t.callback.call(t.context||t,i)}))},l=()=>{let e=t,s=t.lastIndexOf(".");for(;-1!==s;)e=e.substring(0,s),s=e.lastIndexOf("."),r(e);r(t),r("*")};if(!_(t))return!1;i?setTimeout(l,10):l()},w=t=>Array.isArray?Array.isArray(t):"[object Array]"===s(t),L=(t=[])=>{const e=['','','','','','','',''],s=w(t)&&t.length>0?e.concat(t):e,i=document.body;let r=document.querySelector("#svg-sprites");r?r.innerHTML=s.join(""):(r=document.createElement("div"),r.innerHTML=``,i.insertBefore(r.firstChild,i.firstChild))},C=(t,e=0,s="",i="outline")=>{const r=i?`xlink:href="#${i}-icon-${t}"`:`xlink:href="#icon-${t}"`,l=w(e)?e[0]:e,n=w(e)?e[1]:e,o=e?`width:${l}px;height:${n}px;`:"",h=``,a=document.createElement("i");return a.className="outline-icon",a.innerHTML=h,a},x=e=>!!t(e)&&e.replace(/^\s+|\s+$/g,""),S=t=>{return!(!r(t)||!(n(t)||(t=>!(!r(t)||"[object NodeList]"!==s(t)))(t)||(e=t,r(e)&&"[object DocumentFragment]"===s(e))||(t=>!(!r(t)||!("[object Text]"===s(t)||t.tagName&&3===t.nodeType)))(t)));var e},z=(t,e,s)=>{let i=t.tagName.toLowerCase();switch(e){case"style":t.style.cssText=s;break;case"value":"input"===i||"textarea"===i?t.value=s:t.setAttribute(e,s);break;case"className":t.className=s;break;default:t.setAttribute(e,s)}},k=(s,i,l)=>{const n=document.createDocumentFragment(),o=document.createElement(s),h=e=>S(e)||t(e),a=e=>{let s;if(!h(e))return!1;S(e)?s=e:t(e)&&(s=document.createTextNode(e)),n.appendChild(s)};return r(i)?Object.keys(i).forEach((t=>{e(i,t)&&z(o,t,i[t])})):w(i)&&i.every((t=>h(t)))&&i.forEach((t=>{a(t)})),w(l)?l.forEach((t=>{a(t)})):a(l),o.appendChild(n),o},A=(t,e)=>{const s=new RegExp("(\\s|^)"+e+"(\\s|$)");let i,r;return!!n(t)&&(i=t.className,!!i&&(r=t.classList,r?.contains?t.classList.contains(e):!!i.match(s)))},N=(t,e)=>{let s,i=t.className;if(!i||!A(t,e))return!1;s=t.classList,s?.remove?s.remove(e):(i=x(i.replace(e,"")),t.className=i)},M=(e,s=!0,i=!0)=>{const r="outline-heading",l=e.innerHTML;let n;if(e.innerHTML=l.replace(/^\d+(?:(\.?\d*)*\s?)?/gi,""),e.removeAttribute("id"),e.removeAttribute("data-id"),N(e,r),!s)return!1;var o;n=e.querySelector(`.${r}__anchor`),i&&N(e,`${r}_start`),o=x(e.className),t(o)&&""===o&&e.removeAttribute("class"),e.removeChild(n)},D=(e,s=!0)=>{const i=[];let r=1,l=0;return e.forEach(((e,s)=>{const n=e.tagName.replace(/h/i,"");let o=parseInt(n,10),h=-1;var a;o>r?(l+=1,h=1===l?-1:s-1):o===r||ol?1===o?(l=1,h=-1):h=i[s-1].pid:o<=l&&(1===o?l=1:(l-=r-o,l<=1&&(l=1)),h=1===l?-1:((t,e,s)=>{let i,r,l=t[s-1];for(r=0;r]+(>|$)/g,""):"")})})),s?(t=>{const e={};return t.forEach((t=>{const s=JSON.stringify((t=>[t.pid])(t));e[s]=e[s]||[],e[s].push(t),t.index=e[s].length,-1===t.pid&&(t.code=String(t.index))})),Object.keys(e).forEach((s=>{e[s].forEach(((e,s)=>{e.index=s+1,t.forEach((t=>{t.pid===e.id&&(t.code=e.code+"."+t.index)}))}))})),t})(i):i};class H extends l{constructor(t){super(),this.attrs=H.DEFAULTS,this.$articleElement=null,this.$scrollElement=null,this.$headings=[],this.chapters=[],t&&this.initialize(t)}initialize(e){let s,r,l,o,h;return this.attr(e),h=this.attr("articleElement"),r=this.attr("scrollElement"),l=this.attr("selector"),s=this.attr("created"),t(h)?o=document.querySelector(h):n(h)&&(o=h),o?(this.$articleElement=o,this.$scrollElement=a(r),this.$headings=[...o.querySelectorAll(l)],this.$headings.length<1||(this.chapters=D(this.$headings),i(s)&&s.call(this),this.render().addListeners()),this):this}getChapters(t=!1){const e=this.chapters;return t?((t,e,s)=>{const i={},r=[];return t.forEach(((t,s)=>{i[t[e]]=s,t.children=[]})),t.forEach((e=>{const l=t[i[e[s]]];-1!==e[s]?l.children.push(e):r.push(e)})),r})(e,"id","pid"):e}count(){return this.chapters.length}render(){const 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i(s)&&s.call(this),this.removeListeners(),l.forEach((s=>{M(s,t,e)})),this.attr(H.DEFAULTS),this.$articleElement=null,this.$scrollElement=null,this.$headings=[],this.chapters=[],i(r)&&r.call(this),this}onAnchorTrigger(t){const e=this.attr("anchorURL"),s=this.attr("afterScroll"),r=this.attr("stickyHeight"),l=t.delegateTarget.parentNode,n=d(l)-(r+10),h=this.$scrollElement,a=h.scrollHeight-h.clientHeight;return this.scrollTo(n,(()=>{i(s)&&s.call(this),o((()=>{T("toolbar:update",{top:n,min:0,max:a})}))})),e||$(t),this}addListeners(){const t=this.$articleElement;return b(t,".outline-heading__anchor","click",this.onAnchorTrigger,this,!0),this}removeListeners(){const t=this.$articleElement;return y(t,"click",this.onAnchorTrigger),this}}H.DEFAULTS={scrollElement:"html,body",articleElement:"#article",selector:"h1,h2,h3,h4,h5,h6",stickyHeight:0,anchorURL:"",hasAnchor:!0,isAtStart:!0,showCode:!1,created:null,mounted:null,afterScroll:null,beforeDestroy:null,afterDestroy:null};const j=(t,e)=>{let s,i;if(A(t,e))return!1;s=t.classList,s?.add?s.add(e):(i=t.className,i+=i.length>0?" 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t="outline-chapters_folded",e="outline-chapters_hidden",s=this.attr("afterClosed"),r=this.$el,l=this.$parentElement;return this.isInside()?(j(l,t),j(r,t),o((()=>{j(l,e),j(r,e)}))):j(r,e),this.closed=!0,i(s)&&s.call(this),this}toggle(){const t=this.attr("afterToggle"),e=this.offsetTop,s=this.$scrollElement.scrollTop;let r;return this.isClosed()?this.show():this.hide(),i(t)&&o((()=>{r=!!(s>=e),t.call(this,this.isClosed(),r)})),this}destroy(){const t=this.attr("beforeDestroy"),e=this.attr("afterDestroy");return i(t)&&t.call(this),this.removeListeners(),this.$parentElement.removeChild(this.$el),this.attr(B.DEFAULTS),this.$el=null,this.$title=null,this.$main=null,this.$list=null,this.$placeholder=null,this.$parentElement=null,this.$scrollElement=null,this.chapters=[],this.active=0,this.offsetTop=0,this.$active=null,this.closed=!1,this.scrollTimer&&(clearTimeout(this.scrollTimer),this.scrollTimer=null),this.resizeTimer&&(clearTimeout(this.resizeTimer),this.resizeTimer=null),i(e)&&e.call(this),this}onObserver(){let t=null;return((t,e={})=>{const s=e.root||null,r=e.selector||".outline-heading",l=e.context||null,o={rootMargin:e.rootMargin||"0px 0px -90% 0px"},h=new IntersectionObserver((e=>{e.forEach((e=>{e.intersectionRatio>0&&i(t)&&t.call(l||e.target,e.target)}))}),o),a=n(s)?s:document;s&&(o.root=s),a.querySelectorAll(r).forEach((t=>{h.observe(t)}))})((e=>{const s=e.getAttribute("data-id");if(this.playing)return!1;t&&clearTimeout(t),t=o((()=>{this.highlight(s)}),100)}),{context:this}),this}onSelect(t){const e=this.attr("stickyHeight"),s=t.delegateTarget,r=s.getAttribute("data-id"),l=s.href.split("#")[1],n=document.querySelector(`#${l}`),h=d(n)-(e+10),a=this.$scrollElement.scrollHeight,c=this.attr("afterScroll"),u=()=>{i(c)&&c.call(this,"chapter"),o((()=>{this.playing=!1,T("toolbar:update",{top:h,min:0,max:a})}))};return this.playing=!0,this.isFixed()?(this.sticky(),o((()=>{this.scrollTo(h,u),this.highlight(r)}),10)):(this.scrollTo(h,u),this.highlight(r)),$(t),this}onScroll(){const t=this.$scrollElement;return this.scrollTimer&&clearTimeout(this.scrollTimer),this.scrollTimer=o((()=>{const e=t.scrollTop,s=t.scrollHeight-t.clientHeight;this.isFixed()&&this.sticky(),T("toolbar:update",{top:e,min:0,max:s})}),50),this}onResize(){return this.resizeTimer&&clearTimeout(this.resizeTimer),this.resizeTimer=o((()=>{this.calculateStickyHeight()})),this}addListeners(){const t=this.$el,e=this.$scrollElement,s=e.tagName.toLowerCase();let i=e;return"html"!==s&&"body"!==s||(i=window),b(t,".outline-chapters__anchor","click",this.onSelect,this,!0),q(i,"scroll",this.onScroll,this,!0),this.isSticky()&&q(i,"resize",this.onResize,this,!0),this}removeListeners(){const t=this.$el,e=this.$scrollElement,s=e.tagName.toLowerCase();let i=e;return"html"!==s&&"body"!==s||(i=window),y(t,"click",this.onSelect),y(i,"scroll",this.onScroll),this.isSticky()&&q(i,"resize",this.onResize),this}}B.DEFAULTS={parentElement:"",scrollElement:"",selector:"",active:0,closed:!1,showCode:!0,position:"relative",stickyHeight:0,chapters:[],created:null,mounted:null,afterClosed:null,afterOpened:null,afterScroll:null,beforeDestroy:null,afterDestroy:null,afterSticky:null};const R=(t,e=!0)=>{const s=S(t.icon,t.size),i=k("a",{className:"outline-toolbar__anchor",href:t.link},[s]),r=k("div",{className:`outline-toolbar__button ${t.name}`},[t.link?i:s]);return j(s,"outline-toolbar__icon"),e&&j(r,"outline-toolbar_rounded"),t.disabled&&j(r,"outline-toolbar_disabled"),r},P="outline-toolbar_disabled",Q="outline-toolbar_hidden";class V extends l{constructor(t){super(),this.attrs=V.DEFAULTS,this.$el=null,this.disabled=!1,this.closed=!1,this.buttons=[],t&&this.initialize(t)}initialize(t){let e;return this.attr(t),e=this.attr("created"),this.disabled=this.attr("disabled"),this.closed=this.attr("closed"),i(e)&&e.call(this),this.render().addListeners(),this}isDisabled(t){const e=this.attr("buttons");let s;return t?(s=e.find((e=>e.name===t)),!(!s||!s.disabled)):this.disabled}isClosed(){return this.closed}highlight(t){const e=this.buttons.find((e=>e.name===t)),s="outline-toolbar_active";let i;return i||(i=e.$el,A(i,s)?N(i,s):j(i,s)),this}render(){const t=this.attr("mounted"),e=this.attr("buttons")||[],s=this.attr("rounded"),r=this.attr("placement"),l=document.createDocumentFragment(),n=document.createDocumentFragment();return L(),e.forEach((t=>{const e=R(t,s);l.appendChild(e),this.buttons.push({name:t.name,$el:e})})),this.$el=k("div",{id:"outline-toolbar",className:`outline-toolbar outline-toolbar_${r}`},[l]),n.appendChild(this.$el),document.body.appendChild(n),this.closed&&this.hide(),this.disabled&&this.disable(),i(t)&&t.call(this),this}add(t){const e=this.$el,s=this.attr("buttons"),l=t.action,n=document.createDocumentFragment();let o;return r(t)?(s.push(t),n.appendChild(R(t))):w(t)&&t.forEach((t=>{n.appendChild(R(t))})),e.appendChild(n),l&&i(l.handler)&&(o=l.type||"click",b(e,`.${t.name}`,o,l.handler)),this}remove(t){const e=this.$el,s=this.attr("buttons"),i=s.find((e=>e.name===t));let r,l=-1;return i?(s.forEach(((e,s)=>{e.name===t&&(l=s)})),l>-1&&this.attr().buttons.splice(l,1),r=e.querySelector(`.${t}`),this.switch(t,!1),e.removeChild(r),this):this}switch(t,e){const s=this.$el,i=this.attr("buttons"),r=i.find((e=>e.name===t));let l,n,o,h;return r?(i.forEach((s=>{s.name===t&&(r.disabled=!e)})),l=r.action,h=s.querySelector(`.${t}`),l&&(n=l.type||"click",o=l.handler),e?(N(h,P),n&&o&&b(s,`.${t}`,n,o)):(j(h,P),n&&o&&y(s,n,o)),this):this}disable(t){const e=this.attr("afterDisabled");return t?this.switch(t,!1):(j(this.$el,P),this.removeListeners(),this.disabled=!0,i(e)&&e.call(this)),this}enable(t){const e=this.attr("afterEnabled");return t?this.switch(t,!0):(this.disabled=!1,N(this.$el,P),this.addListeners(),i(e)&&e.call(this)),this}show(t){const e=this.attr("afterOpened"),s=this.attr("buttons").find((e=>e.name===t)),r=this.$el;let l;if(t){if(!s)return this;l=r.querySelector(`.${t}`),N(l,Q)}else N(r,Q),this.closed=!1,i(e)&&o((()=>{e.call(this)}),310);return this}hide(t){const e=this.attr("afterClosed"),s=this.attr("buttons").find((e=>e.name===t)),r=this.$el;let l;if(t){if(!s)return this;l=r.querySelector(`.${t}`),j(l,Q)}else j(r,Q),this.closed=!0,i(e)&&o((()=>{e.call(this)}),310);return this}toggle(){return this.isClosed()?this.show():this.hide(),this}destroy(){const t=this.attr("beforeDestroy"),e=this.attr("afterDestroy");let s=this.$el;return i(t)&&t.call(this),this.removeListeners(),document.body.removeChild(s),s=null,this.attr(V.DEFAULTS),this.disabled=!1,this.closed=!1,this.buttons=[],i(e)&&e.call(this),this}refresh(){const t=this.$el,e=this.attr("buttons")||[];return this.removeListeners(),t.innerHTML="",e.forEach((t=>{this.$el.appendChild(R(t))})),this.addListeners(),this}addListeners(){const e=this.attr("buttons"),s=this.$el;return!e||e.length<1||e.forEach((e=>{const r=e.action;let l,n,o,h;if(this.disabled)return!1;r&&(n=r.handler,t(n)&&(h=n,r.handler=function(){T(h,e.name)},n=r.handler),l=r.type||"click",o=r.context),i(n)&&b(s,`.${e.name}`,l,n,o||this,!0)})),this}removeListeners(){const t=this.attr("buttons"),e=this.$el;return!t||t.length<1||t.forEach((t=>{const s=t.action;let r,l;if(this.disabled)return!1;s&&(l=s.handler,r=s.type||"click"),i(l)&&y(e,r,l)})),this}}V.DEFAULTS={placement:"ltr",closed:!1,disabled:!1,rounded:!0,buttons:[],created:null,mounted:null,afterClosed:null,afterOpened:null,afterDisabled:null,afterEnabled:null,beforeDestroy:null,afterDestroy:null};const W=(()=>{let t=0;return e=>(t+=1,e?e+"-"+t:"guid-"+t)})(),J=(t,e,s=null)=>{const r=W();let l="symbol"==typeof t?t.toString():t;return!!i(e)&&(v[l]||(v[l]=[]),v[l].push({topic:l,callback:e,context:s,token:r}),r)},G=t=>{if(!e(v,t))return!1;delete v[t]},K=(t,e)=>{if(!_(t))return!1;e?(t=>{const e=Object.keys(v);if(!t||e.length<1)return!1;e.forEach((e=>{const s=v[e];let i;s.forEach(((e,r)=>{e.callback!==t&&e.token!==t||(i=e.topic,s.splice(-1,r))})),s.length<1&&G(i)}))})(e):G(t)};class X extends l{constructor(t){super(),this.attrs=X.DEFAULTS,this.anchors=null,this.drawer=null,this.chapters=null,this.toolbar=null,t&&this.initialize(t)}initialize(t){return this.attr(t).render().addListeners(),this}getChapters(t=!1){return this.anchors.getChapters(t)}count(){return this.anchors.count()}render(){return this._renderAnchors()._renderChapters()._renderToolbar(),this}_renderAnchors(){const t=this.attr("articleElement"),e=this.attr("selector"),s=this.attr("stickyHeight"),i=this.attr("scrollElement"),r=this.attr("showCode"),l=this.attr("anchorURL"),n=this.attr("afterScroll");return this.anchors=new H({articleElement:t,stickyHeight:s,scrollElement:i,selector:e,showCode:r,anchorURL:l,afterScroll:n}),this}_renderChapters(){const t=this.attr("title"),e=this.attr("stickyHeight"),s=this.attr("scrollElement"),i=this.attr("customClass"),r=this.attr("showCode"),l=this.attr("position"),n=this.attr("placement"),o=this.attr("afterSticky"),h=this.attr("afterToggle"),a=this.attr("afterScroll"),c=this.count();let d,u=this.attr("parentElement");return c<1||(d={scrollElement:s,showCode:r,position:l,title:t,stickyHeight:e,chapters:this.anchors.getChapters(),afterSticky:o,afterToggle:h,afterScroll:a},"relative"===l?(this.drawer=new I({placement:n,title:t,size:"tiny",hasOffset:!0,hasPadding:!1,customClass:i,afterClosed:()=>{this.toolbar.toggle()}}),u=this.drawer.$main):d.customClass=i,d.parentElement=u,this.chapters=new B(d)),this}_renderToolbar(){const t=this.attr("placement"),e=this.attr("homepage"),s=this.count(),i={name:"homepage",icon:"homepage",size:20,link:e},r={name:"menu",icon:"menu",size:18,action:{type:"click",handler:"toolbar:action:toggle"}},l=[];return l.push({name:"up",icon:"up",size:20,action:{type:"click",handler:"toolbar:action:up"}}),e&&l.push(i),s>0&&l.push(r),l.push({name:"down",icon:"down",size:20,action:{type:"click",handler:"toolbar:action:down"}}),this.toolbar=new V({placement:t,buttons:l}),this}toTop(){const t=this.attr("afterScroll"),e=this.toolbar,s=this.chapters,r=this.count();return s.playing=!0,this.scrollTo(0,(()=>{e.hide("up"),e.show("down"),r>0&&s.highlight(0),s.playing=!1,i(t)&&t.call(e,"up")})),this}toBottom(){const t=this.attr("afterScroll"),e=a(this.attr("scrollElement")),s=this.toolbar,r=this.chapters,l=this.count(),n=Math.floor(e.scrollHeight-e.clientHeight);return r.playing=!0,this.scrollTo(n,(()=>{s.hide("down"),s.show("up"),l>1&&r.highlight(l-1),r.playing=!1,i(t)&&t.call(s,"bottom")})),this}scrollTo(t,e){const s=this.attr("scrollElement");return c(s,t,e),this}toggle(){const t=this.attr("position"),e=this.toolbar,s=this.drawer,i=this.chapters,r=this.count();if("relative"!==t)i.toggle(),e.highlight("menu");else{if(e.toggle(),r<1)return this;o((()=>{i.isInside()?i.toggle():s.toggle()}))}return this}destroy(){const t=this.chapters,e=this.count();return this.removeListeners(),this.attr(X.DEFAULTS),this.anchors.destroy(),e<1&&(t.destroy(),t.isOutside()&&this.drawer.destroy()),this.toolbar.destroy(),this}onToggle(){return this.toggle(),this}onScrollTop(){return this.toTop(),this}onScrollBottom(){return this.toBottom(),this}onToolbarUpdate({top:t,min:e,max:s}){const i=this.toolbar,r=Math.ceil(t);return r<=e?(i.hide("up"),i.show("down")):r>=s?(i.hide("down"),i.show("up")):r>e&&r {\r\n  return typeof str === 'string'\r\n}\r\n\r\nexport default isString\r\n","/**\r\n * 检测对象自身属性中是否具有指定的属性。\r\n * ========================================================================\r\n * @method hasOwn\r\n * @param {Object} obj - （必须）检测的目标对象\r\n * @param {String} prop - （必须）属性名\r\n * @returns {Boolean}\r\n */\r\nconst hasOwn = (obj, prop) => {\r\n  const hasOwnProperty = Object.prototype.hasOwnProperty\r\n  return obj && hasOwnProperty.call(obj, prop)\r\n}\r\n\r\nexport default hasOwn\r\n","/**\r\n * Object 对象原型上的 toString 方法\r\n * ========================================================================\r\n * @method toString\r\n * @param {*} val\r\n * @returns {string}\r\n */\r\nconst toString = (val) => {\r\n  return Object.prototype.toString.apply(val)\r\n}\r\n\r\nexport default toString\r\n","import toString from '../lang/toString'\r\n\r\n/**\r\n * 检测测试数据是否为 Function 类型\r\n * ========================================================================\r\n * @method isFunction\r\n * @param {*} val - （必须）待检测的数据\r\n * @returns {boolean} 'val' 是 Function 类型返回 true，否则返回 false\r\n */\r\nconst isFunction = (val) => {\r\n  return typeof val === 'function' || toString(val) === '[object Function]'\r\n}\r\n\r\nexport default isFunction\r\n","import toString from '../lang/toString'\r\nimport isFunction from '../types/isFunction'\r\n\r\n/**\r\n * 检测数据是否为 Object 类型\r\n * ========================================================================\r\n * @method isObject\r\n * @param {*} o\r\n * @returns {boolean}\r\n */\r\nconst isObject = (o) => {\r\n  return (\r\n    (toString(o) === '[object Object]' ||\r\n      typeof o === 'object' ||\r\n      isFunction(o)) &&\r\n    o !== null\r\n  )\r\n}\r\n\r\nexport default isObject\r\n","import isString from './utils/types/isString'\r\nimport hasOwn from './utils/lang/hasOwn'\r\nimport isObject from './utils/types/isObject'\r\nimport extend from './utils/lang/extend'\r\n\r\nclass Base {\r\n  constructor(options) {\r\n    this.attrs = {}\r\n\r\n    if (options) {\r\n      this.initialize(options)\r\n    }\r\n  }\r\n\r\n  initialize(options) {\r\n    this.attr(options).render().addListeners()\r\n    return this\r\n  }\r\n\r\n  attr(prop, value) {\r\n    const attrs = this.attrs\r\n\r\n    if (isString(prop)) {\r\n      // 只能扩展 attrs 中已有的属性\r\n      if (value && hasOwn(attrs, prop)) {\r\n        // 更新单个配置信息\r\n        attrs[prop] = value\r\n        return this\r\n      }\r\n\r\n      // 只传递 prop 参数，则返回对应的属性值\r\n      return attrs[prop]\r\n    } else if (isObject(prop)) {\r\n      // 批量更新配置信息\r\n      extend(attrs, prop)\r\n\r\n      return this\r\n    } else if (arguments.length === 0) {\r\n      // 不传递参数，直接返回整个\r\n      return attrs\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  render() {\r\n    return this\r\n  }\r\n\r\n  destroy() {\r\n    this.removeListeners()\r\n    return this\r\n  }\r\n\r\n  reload(options) {\r\n    this.destroy().initialize(this.attr(options))\r\n    return this\r\n  }\r\n\r\n  addListeners() {\r\n    return this\r\n  }\r\n\r\n  removeListeners() {\r\n    return this\r\n  }\r\n}\r\n\r\nexport default Base\r\n","import hasOwn from './hasOwn'\r\n\r\n/**\r\n * 扩展对象\r\n * ========================================================================\r\n * @method extend\r\n * @param {Object} origin\r\n * @param {Object} source\r\n */\r\nconst extend = (origin, source) => {\r\n  const keys = Object.keys(source)\r\n\r\n  keys.forEach((prop) => {\r\n    if (hasOwn(source, prop)) {\r\n      origin[prop] = source[prop]\r\n    }\r\n  })\r\n}\r\n\r\nexport default extend\r\n","import isObject from './isObject'\r\n\r\n/**\r\n * 检测数据是否为 HTMLElement DOM 节点\r\n * ========================================================================\r\n * @method isElement\r\n * @param {*} o\r\n * @returns {boolean}\r\n */\r\nconst isElement = (o) => {\r\n  return !!(isObject(o) && o.nodeName && o.tagName && o.nodeType === 1)\r\n}\r\n\r\nexport default isElement\r\n","import isFunction from '../types/isFunction'\r\n\r\n/**\r\n * later - 延迟执行方法\r\n * ========================================================================\r\n * @method later\r\n * @param {Function} fn\r\n * @param {Number} [delay]\r\n * @returns {number|boolean}\r\n */\r\nconst later = (fn, delay = 300) => {\r\n  if (!isFunction(fn)) {\r\n    return false\r\n  }\r\n\r\n  return setTimeout(() => {\r\n    fn()\r\n  }, delay)\r\n}\r\n\r\nexport default later\r\n","/**\r\n * 返回给定值的平方值\r\n * ========================================================================\r\n * @method easeInQuad\r\n * @param {Number} x\r\n * @returns {number}\r\n */\r\nconst easeInQuad = (x) => {\r\n  return x * x\r\n}\r\n\r\nexport default easeInQuad\r\n","import isString from '../types/isString'\r\nimport isElement from '../types/isElement'\r\n\r\n/**\r\n * 通过给的 scrollElement 参数，获取滚动 DOM 元素\r\n * ========================================================================\r\n * @method _getScrollElement\r\n * @param {String|HTMLElement} scrollElement\r\n * @returns {Element}\r\n * @private\r\n */\r\nconst _getScrollElement = (scrollElement = null) => {\r\n  let $rootElements\r\n  let $scrollElement\r\n\r\n  if (!scrollElement) {\r\n    $rootElements = document.querySelectorAll('html,body')\r\n    $scrollElement =\r\n      $rootElements[0].scrollTop - $rootElements[1].scrollTop >= 0\r\n        ? $rootElements[0]\r\n        : $rootElements[1]\r\n  } else {\r\n    if (isString(scrollElement)) {\r\n      $scrollElement = document.querySelector(scrollElement)\r\n    } else if (isElement(scrollElement)) {\r\n      $scrollElement = scrollElement\r\n    }\r\n  }\r\n\r\n  return $scrollElement\r\n}\r\n\r\nexport default _getScrollElement\r\n","import easeInQuad from '../lang/easeInQuad'\r\nimport isFunction from '../types/isFunction'\r\nimport _getScrollElement from './_getScrollElement'\r\n\r\n/**\r\n * 指定 rootElement DOM 节点滚动到指定 top 位置\r\n * ========================================================================\r\n * @method scrollTo\r\n * @param {HTMLElement|Object} [scrollElement] - （必须）要滚动的 DOM 节点\r\n * @param {Number} top - （必须）滚动的 scrollTop 数值\r\n * @param {Function} [afterStop] - （可选）滚动完成的回调函数\r\n */\r\nconst scrollTo = (scrollElement, top, afterStop) => {\r\n  const $scrollElement = _getScrollElement(scrollElement)\r\n  let scrollTop = $scrollElement.scrollTop\r\n  let step = 0\r\n  const distance = top - scrollTop\r\n  const MAX_HEIGHT = $scrollElement.scrollHeight\r\n  const MAX_TOP = top - MAX_HEIGHT <= 0 ? top : MAX_HEIGHT\r\n  const stop = (top) => {\r\n    if (isFunction(afterStop)) {\r\n      afterStop(top)\r\n    }\r\n\r\n    return false\r\n  }\r\n  const play = () => {\r\n    step += 1\r\n\r\n    // 向上滚动\r\n    if (distance < 0) {\r\n      scrollTop -= easeInQuad(step)\r\n      $scrollElement.scrollTop = scrollTop\r\n\r\n      if (scrollTop <= top) {\r\n        $scrollElement.scrollTop = top\r\n        return stop(top)\r\n      }\r\n    } else {\r\n      scrollTop += easeInQuad(step)\r\n      $scrollElement.scrollTop = scrollTop\r\n\r\n      if (scrollTop >= MAX_TOP) {\r\n        $scrollElement.scrollTop = MAX_TOP\r\n        return stop(MAX_TOP)\r\n      }\r\n    }\r\n\r\n    requestAnimationFrame(play)\r\n  }\r\n\r\n  requestAnimationFrame(play)\r\n}\r\n\r\nexport default scrollTo\r\n","/**\r\n * 获取 DOM 节点相对于窗口的 left （纵坐标）值\r\n * ========================================================================\r\n * @method offsetTop\r\n * @param {HTMLElement} el - DOM 节点\r\n * @returns {Number}\r\n */\r\nconst offsetTop = (el) => {\r\n  let top = el.offsetTop\r\n\r\n  if (el.offsetParent !== null) {\r\n    top += offsetTop(el.offsetParent)\r\n  }\r\n\r\n  return top\r\n}\r\n\r\nexport default offsetTop\r\n","/**\r\n * 获取 options 节点下匹配 selector 选择器的 DOM 节点\r\n * ========================================================================\r\n * Element.matches() 方法可以用来判断 DOM 元素是否与给定的选择器匹配，事件代理判断是\r\n * 否触发绑定的代理事件回调函数，关键就是使用 Element.matches() 辨别当前事件触发的目\r\n * 标 DOM 元素是否为事件代理所期望触发的目标。\r\n * ========================================================================\r\n * @method matches\r\n * @see https://developer.mozilla.org/en-US/docs/web/api/element/matches\r\n * @param {HTMLElement} el - （必须）DOM 元素\r\n * @param {String} selector - （必须）匹配 DOM 元素的选择器\r\n * @returns {Boolean}\r\n */\r\nconst matches = (el, selector = '') => {\r\n  const sel = selector.replace(/^>/i, '')\r\n\r\n  if (!selector || !sel || !el) {\r\n    return false\r\n  }\r\n\r\n  /* istanbul ignore else */\r\n  if (el.matches) {\r\n    return el.matches(sel)\r\n  } else if (el.msMatchesSelector) {\r\n    return el.msMatchesSelector(sel)\r\n  } else {\r\n    return false\r\n  }\r\n}\r\n\r\nexport default matches\r\n","/**\r\n * 获取 DOM 元素的父节点\r\n * ========================================================================\r\n * @method getParentOrHost\r\n * @param {*|HTMLElement} el - （必须）要获取父节点的 DOM 元素\r\n * @returns {*|HTMLElement}\r\n */\r\nconst getParentOrHost = (el) => {\r\n  return el.host && el !== document && el.host.nodeType\r\n    ? el.host\r\n    : el.parentNode\r\n}\r\n\r\nexport default getParentOrHost\r\n","export const CAPTURE_EVENTS = [\r\n  'focusout',\r\n  'blur',\r\n  'focusin',\r\n  'focus',\r\n  'load',\r\n  'unload',\r\n  'mouseenter',\r\n  'mouseleave'\r\n]\r\n","import { CAPTURE_EVENTS } from './enum'\r\nimport _delete from './_delete'\r\n\r\n/**\r\n * （私有方法）取消 type 类型的代理事件绑定\r\n * ========================================================================\r\n * 如果没有设置 handler，则销毁 this.$options 绑定的所有符合 type 事件类型的事件绑定\r\n * ========================================================================\r\n * @method _off\r\n * @param {HTMLElement} el - （必须）取消事件绑定的 DOM 元素\r\n * @param {String} type - （必须）事件类型\r\n * @param {Function} fn - （必须）事件处理器回调函数\r\n * @private\r\n */\r\nconst _off = (el, type, fn) => {\r\n  const capture = CAPTURE_EVENTS.indexOf(type) > -1\r\n\r\n  /* istanbul ignore else */\r\n  if (fn._delegateListener) {\r\n    fn = fn._delegateListener\r\n    delete fn._delegateListener\r\n  }\r\n\r\n  // 移除缓存的 _listeners 数据\r\n  _delete(el, type, fn)\r\n\r\n  el.removeEventListener(type, fn, capture)\r\n}\r\n\r\nexport default _off\r\n","/**\r\n * 删除 DOM 元素缓存的 _listeners 数据\r\n * ========================================================================\r\n * @method _delete\r\n * @param {HTMLElement} el - 要删除 listener 的 DOM 元素\r\n * @param {String} type - 事件类型（名称）\r\n * @param {Function} [fn] - 事件处理器回调函数\r\n */\r\nconst _delete = function (el, type, fn) {\r\n  const listeners = el._listeners\r\n  let index = -1\r\n\r\n  if (listeners.length < 1) {\r\n    return false\r\n  }\r\n\r\n  // 移除缓存的 _listeners 数据\r\n  listeners.forEach((listener, i) => {\r\n    const handler = listener.fn\r\n\r\n    if (type === listener.type) {\r\n      index = i\r\n\r\n      if (handler === fn) {\r\n        index = i\r\n      }\r\n    }\r\n  })\r\n\r\n  /* istanbul ignore else */\r\n  if (index > -1) {\r\n    listeners.splice(index, 1)\r\n  }\r\n}\r\n\r\nexport default _delete\r\n","import isString from '../types/isString'\r\nimport isElement from '../types/isElement'\r\nimport getListeners from './getListeners'\r\nimport _off from './_off'\r\n\r\n/**\r\n * 销毁（type 类型的）代理事件绑定\r\n * ========================================================================\r\n * 1. 设置了事件类型 type，则销毁指定类型的事件绑定，否则清除所有代理事件绑定\r\n * 2. recurse 设置为 true，递归销毁子节点全部事件绑定\r\n * ========================================================================\r\n * @method purgeElement\r\n * @param {HTMLElement|String} el - （必须）DOM 元素或者其选择器\r\n * @param {String|Boolean} type - （必须）事件类型\r\n * @param {Boolean} [recurse] - （可选）是否递归销毁子节点所有事件绑定\r\n */\r\nconst purgeElement = function (el, type, recurse = false) {\r\n  const $element = isString(el) ? document.querySelector(el) : el\r\n  const $children = $element.childNodes\r\n  const listeners = getListeners($element, type)\r\n\r\n  listeners.forEach((listener) => {\r\n    _off($element, listener.type, listener.fn)\r\n  })\r\n\r\n  if (\r\n    (recurse || type === true || arguments.length === 1) &&\r\n    $element &&\r\n    $children\r\n  ) {\r\n    $children.forEach(($child) => {\r\n      if (isElement($child)) {\r\n        purgeElement($child, type, recurse)\r\n      }\r\n    })\r\n  }\r\n}\r\n\r\nexport default purgeElement\r\n","import isString from '../types/isString'\r\n\r\n/**\r\n * 获取 DOM 元素（type 事件类型）事件绑定信息\r\n * ========================================================================\r\n * 如果设置了事件类型 type， 则返回指定类型的事件绑定信息，否则返回所有事件绑定信息\r\n * ========================================================================\r\n * @methods getListeners\r\n * @param {HTMLElement} el - （必须）要获取事件绑定信息的 DOM 元素\r\n * @param {String} [type] - （可选）事件类型\r\n * @returns {Array} - 已绑定的事件信息\r\n */\r\nconst getListeners = (el, type) => {\r\n  let listeners = el._listeners || []\r\n\r\n  if (isString(type) && type) {\r\n    listeners = listeners.filter((listener) => {\r\n      return listener.type === type\r\n    })\r\n  }\r\n\r\n  return listeners\r\n}\r\n\r\nexport default getListeners\r\n","import purgeElement from './purgeElement'\r\nimport isFunction from '../types/isFunction'\r\nimport _off from './_off'\r\n\r\n/**\r\n * 取消 type 类型的代理事件绑定\r\n * ========================================================================\r\n * 如果没有设置 handler，则销毁 this.$options 绑定的所有符合 type 事件类型的事件绑定\r\n * ========================================================================\r\n * @method off\r\n * @param {HTMLElement} el - （必须）取消事件绑定的 DOM 元素\r\n * @param {String} type - （必须）事件类型\r\n * @param {Function} [fn] - （可选）事件处理器回调函数\r\n */\r\nconst off = (el, type, fn) => {\r\n  // 如果不设置 fn 参数，默认清除 el 元素上绑定的所有事件处理器\r\n  if (!isFunction(fn)) {\r\n    return purgeElement(el, type)\r\n  }\r\n\r\n  _off(el, type, fn)\r\n}\r\n\r\nexport default off\r\n","import closest from '../dom/closest'\r\nimport off from './off'\r\nimport getTarget from './getTarget'\r\n\r\nimport { CAPTURE_EVENTS } from './enum'\r\n\r\n/**\r\n * 绑定代理事件\r\n * ========================================================================\r\n * @method on\r\n * @param {HTMLElement|String|Object} el - （必须）绑定代理事件的 DOM 节点\r\n * @param {String} selector - （必须）事件代理目标 DOM 元素的选择器\r\n * @param {String|Function} type - （必须）事件类型或者事件处理器回调函数\r\n * @param {Function|Object} fn - （可选） 事件处理器回调函数或者传递给事件处理器回调函数的数据对象\r\n * @param {Object|Boolean} [data] - （可选）传递给事件处理器回调函数的数据对象或者事件处理器回调函数的 this 上下文指向，\r\n * @param {Object|Boolean} [context] - （可选）事件处理器回调函数的 this 上下文指向，或者是否仅触发一次\r\n * 当设置为 true 时，则事件处理器回调函数的 this 上下文指向为 data 对象\r\n * @param {Boolean} once - （可选）是否仅触发一次\r\n */\r\nconst on = (el, selector, type, fn, data, context, once = false) => {\r\n  // CAPTURE_EVENTS 中的特殊事件，采用事件捕获模型\r\n  const capture = CAPTURE_EVENTS.indexOf(type) > -1\r\n\r\n  const listener = function (evt) {\r\n    const target = getTarget(evt)\r\n    // 通过 Element.matches 方法获得点击的目标元素\r\n    const delegateTarget = closest(target, selector, el)\r\n    let overrideContext = context || el\r\n\r\n    evt.delegateTarget = delegateTarget\r\n\r\n    // 当设置为 true 时，则事件处理器回调函数的\r\n    // this 上下文指向为 data 对象\r\n    if (context === true) {\r\n      overrideContext = data\r\n    }\r\n\r\n    /* istanbul ignore else */\r\n    if (delegateTarget) {\r\n      // 仅触发一次\r\n      /* istanbul ignore else */\r\n      if (once === true) {\r\n        off(el, type, listener)\r\n      }\r\n\r\n      fn.call(overrideContext, evt, data)\r\n    }\r\n  }\r\n\r\n  if (!el._listeners) {\r\n    el._listeners = []\r\n  }\r\n\r\n  // 缓存 options 元素绑定的事件处理器\r\n  el._listeners.push({\r\n    el,\r\n    selector,\r\n    type,\r\n    fn: listener,\r\n    data,\r\n    context,\r\n    capture\r\n  })\r\n\r\n  // 缓存包装后的事件处理器\r\n  fn._delegateListener = listener\r\n\r\n  el.addEventListener(type, listener, capture)\r\n}\r\n\r\nexport default on\r\n","import resolveTextNode from '../dom/resolveTextNode'\r\n\r\n/**\r\n * 返回触发事件的 target DOM 元素\r\n * ========================================================================\r\n * @method getTarget\r\n * @param {Event} evt - Event 对象\r\n * @return {HTMLElement} - Event 对象的 target DOM 元素\r\n */\r\nconst getTarget = function (evt) {\r\n  const target = evt.target\r\n\r\n  return resolveTextNode(target)\r\n}\r\n\r\nexport default getTarget\r\n","/**\r\n * 在某些情况下，某些浏览器（例如：Safari 浏览器）会返回实际的目标元素内部的文本节点。\r\n * resolveTextNode() 方法则会返回实际的目标节点。\r\n * ========================================================================\r\n * @method resolveTextNode\r\n * @param {HTMLElement|Text} el - 要解析的节点\r\n * @return {*|HTMLElement} - 实际的目标 DOM 节点\r\n */\r\nconst resolveTextNode = function (el) {\r\n  if (el && el.nodeType === 3) {\r\n    return el.parentNode\r\n  }\r\n\r\n  return el\r\n}\r\n\r\nexport default resolveTextNode\r\n","import matches from './matches'\r\nimport getParentOrHost from './getParentOrHost'\r\n\r\n/**\r\n * 获取 options 元素父元素最近的包含 selector 选择器的元素\r\n * ========================================================================\r\n * @method closest\r\n * @param {HTMLElement} el - （必须）DOM 元素\r\n * @param {String} selector - （必须）DOM 元素的选择其\r\n * @param {HTMLElement} [ctx] - （必须）比对的 DOM 元素\r\n * @param {Boolean} [includeCTX] - （必须）是否包含 context DOM 元素\r\n * @returns {null|HTMLElement} - 返回最接近的 DOM 元素\r\n */\r\nconst closest = (el, selector, ctx, includeCTX) => {\r\n  const context = ctx || document\r\n\r\n  if (!el) {\r\n    return null\r\n  }\r\n\r\n  do {\r\n    /* istanbul ignore else */\r\n    if (\r\n      (selector != null &&\r\n        (selector[0] === '>'\r\n          ? el.parentNode === context && matches(el, selector)\r\n          : matches(el, selector))) ||\r\n      (includeCTX && el === context)\r\n    ) {\r\n      return el\r\n    }\r\n\r\n    /* istanbul ignore else */\r\n    if (el === context) {\r\n      break\r\n    }\r\n\r\n    /* jshint boss:true */\r\n  } while ((el = getParentOrHost(el)))\r\n}\r\n\r\nexport default closest\r\n","/**\r\n * 停止事件（阻止默认行为和阻止事件的捕获或冒泡）\r\n * ========================================================================\r\n * @method stop\r\n * @param {Event} evt - 事件对象\r\n *\r\n * @example\r\n * 
\r\n *   Service\r\n *   Help\r\n * 
\r\n *\r\n * const $nav = document.querySelector('#nav')\r\n * const $service = document.querySelector('.anchor')\r\n *\r\n * on($nav, 'click', function(evt) {\r\n *   console.log('你点击了导航栏')\r\n * })\r\n *\r\n * on($anchor, 'click', function(evt) {\r\n *   console.log('tagName', this.tagName)\r\n *\r\n *   // 工作台输出：'a'\r\n *   // 不会触发事件冒泡，输出：'你点击了导航栏'\r\n *   // 也不会切换到 href 属性的页面，阻止了点击链接的默认行为\r\n *   stopEvent(evt)\r\n * })\r\n */\r\nconst stop = function (evt) {\r\n  evt.stopPropagation()\r\n  evt.preventDefault()\r\n}\r\n\r\nexport default stop\r\n","/**\r\n * 存储订阅者（主题和处理器的）私有对象\r\n * ========================================================================\r\n * @type {{}}\r\n * @private\r\n */\r\nconst _subscribers = {}\r\n\r\nexport default _subscribers\r\n","import _subscribers from './_subscribers'\r\nimport hasOwn from '../lang/hasOwn'\r\n\r\n/**\r\n * 判断是否存在与给定 topic 完全匹配的订阅者信息\r\n * ========================================================================\r\n * @method _hasDirectSubscribersFor\r\n * @param {String} topic - （必须）订阅主题字符串\r\n * @returns {Boolean}\r\n */\r\nconst _hasDirectSubscribersFor = (topic) => {\r\n  return hasOwn(_subscribers, topic) && _subscribers[topic].length > 0\r\n}\r\n\r\nexport default _hasDirectSubscribersFor\r\n","import _hasDirectSubscribersFor from './_hasDirectSubscribersFor'\r\nimport _hasSubscribers from './_hasSubscribers'\r\n\r\n/**\r\n * 判断是否存在包含 topic 指定的订阅者信息\r\n * ========================================================================\r\n * @method has\r\n * @param {String} topic - （必须）主题名称\r\n * @param {Boolean} [isDirect] - （可选）是否为直接的主题，默认值：true\r\n * @returns {Boolean}\r\n */\r\nconst has = (topic, isDirect = true) => {\r\n  return isDirect ? _hasDirectSubscribersFor(topic) : _hasSubscribers(topic)\r\n}\r\n\r\nexport default has\r\n","import _hasDirectSubscribersFor from './_hasDirectSubscribersFor'\r\n\r\n/**\r\n * 判断是否存在包含给定 topic 相关的订阅者信息\r\n * ========================================================================\r\n * @method _hasSubscribers\r\n * @param {String} topic - （必须）订阅主题字符串\r\n * @returns {Boolean}\r\n */\r\nconst _hasSubscribers = (topic) => {\r\n  let found = _hasDirectSubscribersFor(topic)\r\n  let position = topic.lastIndexOf('.')\r\n\r\n  while (!found && position !== -1) {\r\n    topic = topic.substring(0, position)\r\n    position = topic.lastIndexOf('.')\r\n    found = _hasDirectSubscribersFor(topic)\r\n  }\r\n\r\n  return found\r\n}\r\n\r\nexport default _hasSubscribers\r\n","import isTypedArray from '../types/isTypedArray'\r\nimport _subscribers from './_subscribers'\r\nimport has from './has'\r\nimport _hasDirectSubscribersFor from './_hasDirectSubscribersFor'\r\n\r\n/**\r\n * （异步）发布订阅主题信息\r\n * ========================================================================\r\n * 主题默认是异步发布的。确保在消费者处理主题时，主题的发起者不会被阻止。\r\n * ========================================================================\r\n * @method emit\r\n * @param {String} topic - （必须）主题名称\r\n * @param {Object} data - （必须）数据对象\r\n * @param {Boolean} async - (可选) 是否异步发布\r\n */\r\nconst emit = (topic, data, async = true) => {\r\n  const execute = (topic) => {\r\n    if (!_hasDirectSubscribersFor(topic)) {\r\n      return false\r\n    }\r\n\r\n    _subscribers[topic].forEach((subscriber) => {\r\n      // 针对 mqtt 消息服务返回的 Uint8Array 类似的 typed arrays 格式的数据\r\n      // 采用 toString() 方法转化为普通（JSON）字符串\r\n      const message = isTypedArray(data) ? data.toString() : data\r\n\r\n      subscriber.callback.call(subscriber.context || subscriber, message)\r\n    })\r\n  }\r\n  const deliver = () => {\r\n    let subscriber = topic\r\n    let position = topic.lastIndexOf('.')\r\n\r\n    while (position !== -1) {\r\n      subscriber = subscriber.substring(0, position)\r\n      position = subscriber.lastIndexOf('.')\r\n\r\n      execute(subscriber)\r\n    }\r\n\r\n    // 执行 topic 对应的处理器\r\n    execute(topic)\r\n    // 执行特殊 topic：'*'（监听全部消息的发布）\r\n    execute('*')\r\n  }\r\n\r\n  if (!has(topic)) {\r\n    return false\r\n  }\r\n\r\n  if (async) {\r\n    setTimeout(deliver, 10)\r\n  } else {\r\n    deliver()\r\n  }\r\n}\r\n\r\nexport default emit\r\n","import toString from '../lang/toString'\r\n/**\r\n * 判断检测数据是否为 Typed Arrays 类型的数据\r\n * ========================================================================\r\n * @param {*} val\r\n * @returns {boolean}\r\n */\r\nconst isTypedArray = (val) => {\r\n  const TYPES = [\r\n    '[object Int8Array]',\r\n    '[object Uint8Array]',\r\n    '[object Uint8ClampedArray]',\r\n    '[object Int16Array]',\r\n    '[object Uint16Array]',\r\n    '[object Int32Array]',\r\n    '[object Uint32Array]',\r\n    '[object Float32Array]',\r\n    '[object Float64Array]',\r\n    '[object BigInt64Array]',\r\n    '[object BigUint64Array]'\r\n  ]\r\n\r\n  return TYPES.indexOf(toString(val)) > -1\r\n}\r\n\r\nexport default isTypedArray\r\n","import toString from '../lang/toString'\r\n\r\n/**\r\n * 检测数据是否为 Array 类型\r\n * ========================================================================\r\n * @method isArray\r\n * @param {*} o\r\n * @returns {boolean}\r\n */\r\nconst isArray = (o) => {\r\n  if (Array.isArray) {\r\n    return Array.isArray(o)\r\n  } else {\r\n    return toString(o) === '[object Array]'\r\n  }\r\n}\r\n\r\nexport default isArray\r\n","import isArray from './types/isArray'\r\n\r\n/**\r\n * 绘制 SVG Sprites 图标集\r\n * ========================================================================\r\n * @method paintSvgSprites\r\n * @param {Array} [symbols] - （可选）symbols 图标数组\r\n *                             传递 symbols - 绘制 symbols + SYMBOLS 的图标集\r\n *                             不传递 symbols - 仅绘制默认 SYMBOLS 图标集\r\n */\r\nexport const paintSvgSprites = (symbols = []) => {\r\n  const SYMBOLS = [\r\n    '',\r\n    '',\r\n    '',\r\n    '',\r\n    '',\r\n    '',\r\n    '',\r\n    ''\r\n  ]\r\n  const sprites =\r\n    isArray(symbols) && symbols.length > 0 ? SYMBOLS.concat(symbols) : SYMBOLS\r\n  const $body = document.body\r\n  let $icons = document.querySelector('#svg-sprites')\r\n\r\n  if ($icons) {\r\n    $icons.innerHTML = sprites.join('')\r\n  } else {\r\n    $icons = document.createElement('div')\r\n    $icons.innerHTML =\r\n      ``\r\n    $body.insertBefore($icons.firstChild, $body.firstChild)\r\n  }\r\n}\r\n\r\n/**\r\n * 创建 SVG 图标 DOM 元素\r\n * ========================================================================\r\n * @method createSvgIcon\r\n * @param {String} name\r\n * @param {Number|String|Array} [size]\r\n * @param {String} [color]\r\n * @param {String} [iconSet]\r\n * @returns {HTMLElement}\r\n */\r\nexport const createSvgIcon = (\r\n  name,\r\n  size = 0,\r\n  color = '',\r\n  iconSet = 'outline'\r\n) => {\r\n  const binds = iconSet\r\n    ? `xlink:href=\"#${iconSet}-icon-${name}\"`\r\n    : `xlink:href=\"#icon-${name}\"`\r\n  const width = isArray(size) ? size[0] : size\r\n  const height = isArray(size) ? size[1] : size\r\n  const defaultRules = size ? `width:${width}px;height:${height}px;` : ''\r\n  const cssRules = color ? defaultRules + `color:${color}` : defaultRules\r\n  const svg =\r\n    `` +\r\n    `` +\r\n    ``\r\n  const $icon = document.createElement('i')\r\n\r\n  $icon.className = 'outline-icon'\r\n  $icon.innerHTML = svg\r\n\r\n  return $icon\r\n}\r\n","import isString from '../types/isString'\r\n\r\n/**\r\n * 清楚字符串起始位置所有的空格\r\n * ========================================================================\r\n * @method trim\r\n * @param {string} str\r\n * @returns {string|Boolean}\r\n */\r\nconst trim = (str) => {\r\n  if (!isString(str)) {\r\n    return false\r\n  }\r\n  return str.replace(/^\\s+|\\s+$/g, '')\r\n}\r\n\r\nexport default trim\r\n","import isObject from './isObject'\r\nimport isElement from './isElement'\r\nimport isHTMLCollection from './isHTMLCollection'\r\nimport isFragment from './isFragment'\r\nimport isTextNode from './isTextNode'\r\n\r\nconst isDOM = (el) => {\r\n  return !!(\r\n    isObject(el) &&\r\n    (isElement(el) || isHTMLCollection(el) || isFragment(el) || isTextNode(el))\r\n  )\r\n}\r\n\r\nexport default isDOM\r\n","import toString from '../lang/toString'\r\nimport isObject from './isObject'\r\n\r\nconst isHTMLCollection = (el) => {\r\n  return !!(isObject(el) && toString(el) === '[object NodeList]')\r\n}\r\n\r\nexport default isHTMLCollection\r\n","import toString from '../lang/toString'\r\nimport isObject from './isObject'\r\n\r\nconst isFragment = (fragment) => {\r\n  return !!(\r\n    isObject(fragment) && toString(fragment) === '[object DocumentFragment]'\r\n  )\r\n}\r\n\r\nexport default isFragment\r\n","import toString from '../lang/toString'\r\nimport isObject from './isObject'\r\n\r\nconst isTextNode = (el) => {\r\n  return !!(\r\n    isObject(el) &&\r\n    (toString(el) === '[object Text]' || (el.tagName && el.nodeType === 3))\r\n  )\r\n}\r\n\r\nexport default isTextNode\r\n","/**\r\n * 给 DOM 节点设置属性/值\r\n * ========================================================================\r\n * @method setAttribute\r\n * @param {HTMLElement} el - DOM 节点\r\n * @param {String} attr - 属性名称\r\n * @param {String|Number|Boolean} value - 属性值\r\n */\r\nconst setAttribute = (el, attr, value) => {\r\n  let tagName = el.tagName.toLowerCase()\r\n\r\n  switch (attr) {\r\n    case 'style':\r\n      el.style.cssText = value\r\n      break\r\n    case 'value':\r\n      if (tagName === 'input' || tagName === 'textarea') {\r\n        el.value = value\r\n      } else {\r\n        el.setAttribute(attr, value)\r\n      }\r\n      break\r\n    case 'className':\r\n      el.className = value\r\n      break\r\n    default:\r\n      el.setAttribute(attr, value)\r\n      break\r\n  }\r\n}\r\n\r\nexport default setAttribute\r\n","import hasOwn from '../lang/hasOwn'\r\nimport isObject from '../types/isObject'\r\nimport isString from '../types/isString'\r\nimport isArray from '../types/isArray'\r\nimport isDOM from '../types/isDOM'\r\nimport setAttribute from './setAttribute'\r\n\r\n/**\r\n * 创建 DOM 节点，并添加属性和子节点\r\n * ========================================================================\r\n * @method createElement\r\n * @param {String} tagName - 标签名称\r\n * @param {Object|Array} attrs - 属性对象或者子节点\r\n * @param {Array} [children] - 子节点数组\r\n * @returns {HTMLElement}\r\n */\r\nconst createElement = (tagName, attrs, children) => {\r\n  const $fragment = document.createDocumentFragment()\r\n  const $el = document.createElement(tagName)\r\n  const isValidChild = (child) => {\r\n    return isDOM(child) || isString(child)\r\n  }\r\n  const append = (child) => {\r\n    let $child\r\n\r\n    if (!isValidChild(child)) {\r\n      return false\r\n    }\r\n\r\n    if (isDOM(child)) {\r\n      $child = child\r\n    } else if (isString(child)) {\r\n      $child = document.createTextNode(child)\r\n    }\r\n\r\n    $fragment.appendChild($child)\r\n  }\r\n\r\n  if (isObject(attrs)) {\r\n    Object.keys(attrs).forEach((attr) => {\r\n      if (hasOwn(attrs, attr)) {\r\n        setAttribute($el, attr, attrs[attr])\r\n      }\r\n    })\r\n  } else if (isArray(attrs) && attrs.every((attr) => isValidChild(attr))) {\r\n    attrs.forEach((child) => {\r\n      append(child)\r\n    })\r\n  }\r\n\r\n  if (isArray(children)) {\r\n    children.forEach((child) => {\r\n      append(child)\r\n    })\r\n  } else {\r\n    append(children)\r\n  }\r\n\r\n  $el.appendChild($fragment)\r\n\r\n  return $el\r\n}\r\n\r\nexport default createElement\r\n","import isElement from '../types/isElement'\r\n/**\r\n * 检测 DOM 节点是否包含名为 className 的样式\r\n * ========================================================================\r\n * @method hasClass\r\n * @param {HTMLElement} el - DOM 节点\r\n * @param {String} className - 样式名称\r\n * @returns {Boolean}\r\n */\r\nconst hasClass = (el, className) => {\r\n  const pattern = new RegExp('(\\\\s|^)' + className + '(\\\\s|$)')\r\n  let allClass\r\n  let classList\r\n\r\n  if (!isElement(el)) {\r\n    return false\r\n  }\r\n\r\n  allClass = el.className\r\n\r\n  if (!allClass) {\r\n    return false\r\n  }\r\n\r\n  classList = el.classList\r\n\r\n  if (classList?.contains) {\r\n    return el.classList.contains(className)\r\n  }\r\n\r\n  return !!allClass.match(pattern)\r\n}\r\n\r\nexport default hasClass\r\n","import trim from '../lang/trim'\r\nimport hasClass from './hasClass'\r\n\r\n/**\r\n * 移除 DOM 节点的 className 样式\r\n * ========================================================================\r\n * @method removeClass\r\n * @param {HTMLElement} el - DOM 节点\r\n * @param {String} className - 样式名称\r\n * @returns {Boolean}\r\n */\r\nconst removeClass = (el, className) => {\r\n  let allClass = el.className\r\n  let classList\r\n\r\n  if (!allClass || !hasClass(el, className)) {\r\n    return false\r\n  }\r\n\r\n  classList = el.classList\r\n\r\n  if (classList?.remove) {\r\n    classList.remove(className)\r\n  } else {\r\n    allClass = trim(allClass.replace(className, ''))\r\n    el.className = allClass\r\n  }\r\n}\r\n\r\nexport default removeClass\r\n","import removeClass from './utils/dom/removeClass'\r\nimport isEmpty from './utils/types/isEmpty'\r\nimport trim from './utils/lang/trim'\r\n\r\nconst _resetHeading = ($heading, hasAnchor = true, isAtStart = true) => {\r\n  const CLS_HEADING = 'outline-heading'\r\n  const text = $heading.innerHTML\r\n  let $anchor\r\n\r\n  $heading.innerHTML = text.replace(/^\\d+(?:(\\.?\\d*)*\\s?)?/gi, '')\r\n  $heading.removeAttribute('id')\r\n  $heading.removeAttribute('data-id')\r\n\r\n  removeClass($heading, CLS_HEADING)\r\n\r\n  if (!hasAnchor) {\r\n    return false\r\n  }\r\n\r\n  $anchor = $heading.querySelector(`.${CLS_HEADING}__anchor`)\r\n\r\n  if (isAtStart) {\r\n    removeClass($heading, `${CLS_HEADING}_start`)\r\n  }\r\n\r\n  if (isEmpty(trim($heading.className))) {\r\n    $heading.removeAttribute('class')\r\n  }\r\n\r\n  $heading.removeChild($anchor)\r\n}\r\n\r\nexport default _resetHeading\r\n","import isString from './isString'\r\n/**\r\n * 检测数据是否为空字符串\r\n * ========================================================================\r\n * @method isEmpty\r\n * @param {String} str\r\n * @returns {boolean}\r\n */\r\nconst isEmpty = (str) => {\r\n  return isString(str) && str === ''\r\n}\r\n\r\nexport default isEmpty\r\n","import trim from './utils/lang/trim'\r\nimport stripTags from './utils/lang/stripTags'\r\n\r\nimport _getChaptersWithCode from './_getChaptersWithCode'\r\nimport _getChapterParentIdByDiffer from './_getChapterParentIdByDiffer'\r\n\r\nconst getChapters = (headings, showCode = true) => {\r\n  const chapters = []\r\n  let previous = 1\r\n  let level = 0\r\n\r\n  headings.forEach((heading, i) => {\r\n    const headingLevel = heading.tagName.replace(/h/i, '')\r\n    let current = parseInt(headingLevel, 10)\r\n    let pid = -1\r\n\r\n    // 当前标题的（标题标签）序号 > 前一个标题的序号：两个相连的标题是父标题 -> 子标题关系；\r\n    // h2 （前一个标题）\r\n    // h3 （当前标题）\r\n    if (current > previous) {\r\n      level += 1\r\n\r\n      // 第一层级的 pid 是 -1\r\n      if (level === 1) {\r\n        pid = -1\r\n      } else {\r\n        pid = i - 1\r\n      }\r\n    }\r\n    // 当前标题的（标题标签）序号 = 前一个标题的序号\r\n    // h2 （前一个标题）\r\n    // h2 （当前标题）\r\n    // 当前标题的（标题标签）序号 < 前一个标题的序号，并且当前标题序号 > 当前的级别\r\n    // h2\r\n    // h4 （前一个标题）\r\n    // h3 （当前标题：这种情况我们还是任务 h3 是 h2 的下一级章节）\r\n    else if (current === previous || (current < previous && current > level)) {\r\n      // H1 的层级肯定是 1\r\n      if (current === 1) {\r\n        level = 1\r\n        pid = -1\r\n      } else {\r\n        pid = chapters[i - 1].pid\r\n      }\r\n    } else if (current <= level) {\r\n      // H1 的层级肯定是 1\r\n      if (current === 1) {\r\n        level = 1\r\n      } else {\r\n        level = level - (previous - current)\r\n\r\n        if (level <= 1) {\r\n          level = 1\r\n        }\r\n      }\r\n\r\n      // 第一级的标题\r\n      if (level === 1) {\r\n        pid = -1\r\n      } else {\r\n        // 通过当前标题和前一个标题之间的等级差，获得当前标题的父标题ID\r\n        pid = _getChapterParentIdByDiffer(chapters, previous - current, i)\r\n      }\r\n    }\r\n\r\n    previous = current\r\n\r\n    chapters.push({\r\n      id: i,\r\n      pid: pid,\r\n      level: level,\r\n      rel: `heading-${i}`,\r\n      text: stripTags(trim(heading.innerHTML))\r\n    })\r\n  })\r\n\r\n  return showCode ? _getChaptersWithCode(chapters) : chapters\r\n}\r\n\r\nexport default getChapters\r\n","import isString from '../types/isString'\r\n\r\n/**\r\n * 过滤所有 HTML 标签\r\n * ========================================================================\r\n * @method stripTags\r\n * @param {string} str\r\n * @returns {string}\r\n */\r\nconst stripTags = (str) => {\r\n  if (!isString(str)) {\r\n    return ''\r\n  }\r\n  return str.replace(/<\\/?[^>]+(>|$)/g, '')\r\n}\r\n\r\nexport default stripTags\r\n","const _getChapterParentIdByDiffer = (chapters, differ, index) => {\r\n  let previous = chapters[index - 1]\r\n  let pid\r\n  let i\r\n\r\n  for (i = 0; i < differ; i += 1) {\r\n    pid = previous.pid\r\n    previous = chapters[pid]\r\n  }\r\n\r\n  pid = previous.pid\r\n\r\n  return pid\r\n}\r\n\r\nexport default _getChapterParentIdByDiffer\r\n","const _getChaptersWithCode = (chapters) => {\r\n  const groups = {}\r\n  const cb = (o) => {\r\n    return [o.pid]\r\n  }\r\n\r\n  chapters.forEach((o) => {\r\n    const group = JSON.stringify(cb(o))\r\n\r\n    groups[group] = groups[group] || []\r\n    groups[group].push(o)\r\n\r\n    o.index = groups[group].length\r\n    if (o.pid === -1) {\r\n      o.code = String(o.index)\r\n    }\r\n  })\r\n\r\n  Object.keys(groups).forEach((group) => {\r\n    groups[group].forEach((c, i) => {\r\n      c.index = i + 1\r\n      chapters.forEach((o) => {\r\n        if (o.pid === c.id) {\r\n          o.code = c.code + '.' + o.index\r\n        }\r\n      })\r\n    })\r\n  })\r\n\r\n  return chapters\r\n}\r\n\r\nexport default _getChaptersWithCode\r\n","import Base from './base'\r\n\r\n// 在文章的标题生成 anchor 链接\r\nimport isString from './utils/types/isString'\r\nimport isFunction from './utils/types/isFunction'\r\nimport isElement from './utils/types/isElement'\r\nimport toTree from './utils/lang/toTree'\r\nimport later from './utils/lang/later'\r\nimport scrollTo from './utils/dom/scrollTo'\r\nimport _getScrollElement from './utils/dom/_getScrollElement'\r\nimport offsetTop from './utils/dom/offsetTop'\r\nimport on from './utils/event/on'\r\nimport off from './utils/event/off'\r\nimport stop from './utils/event/stop'\r\nimport publish from './utils/observer/emit'\r\nimport { paintSvgSprites } from './utils/icons'\r\n\r\nimport _updateHeading from './_updateHeading'\r\nimport _resetHeading from './_resetHeading'\r\nimport getChapters from './getChapters'\r\n\r\nclass Anchors extends Base {\r\n  constructor(options) {\r\n    super()\r\n\r\n    this.attrs = Anchors.DEFAULTS\r\n    this.$articleElement = null\r\n    this.$scrollElement = null\r\n    this.$headings = []\r\n\r\n    this.chapters = []\r\n\r\n    if (options) {\r\n      this.initialize(options)\r\n    }\r\n  }\r\n\r\n  initialize(options) {\r\n    let created\r\n    let scrollElement\r\n    let selector\r\n    let $articleElement\r\n    let articleElement\r\n\r\n    this.attr(options)\r\n    articleElement = this.attr('articleElement')\r\n    scrollElement = this.attr('scrollElement')\r\n    selector = this.attr('selector')\r\n    created = this.attr('created')\r\n\r\n    if (isString(articleElement)) {\r\n      $articleElement = document.querySelector(articleElement)\r\n    } else if (isElement(articleElement)) {\r\n      $articleElement = articleElement\r\n    }\r\n\r\n    if (!$articleElement) {\r\n      return this\r\n    }\r\n\r\n    this.$articleElement = $articleElement\r\n    this.$scrollElement = _getScrollElement(scrollElement)\r\n    this.$headings = [...$articleElement.querySelectorAll(selector)]\r\n\r\n    if (this.$headings.length < 1) {\r\n      return this\r\n    }\r\n\r\n    this.chapters = getChapters(this.$headings)\r\n\r\n    if (isFunction(created)) {\r\n      created.call(this)\r\n    }\r\n\r\n    this.render().addListeners()\r\n\r\n    return this\r\n  }\r\n\r\n  getChapters(isTreeStructured = false) {\r\n    const chapters = this.chapters\r\n    return isTreeStructured ? toTree(chapters, 'id', 'pid') : chapters\r\n  }\r\n\r\n  count() {\r\n    return this.chapters.length\r\n  }\r\n\r\n  render() {\r\n    const mounted = this.attr('mounted')\r\n    const hasAnchor = this.attr('hasAnchor')\r\n    const isAtStart = this.attr('isAtStart')\r\n    const showCode = this.attr('showCode')\r\n    const anchorURL = this.attr('anchorURL')\r\n    const $headings = this.$headings\r\n    const chapters = this.getChapters()\r\n\r\n    paintSvgSprites()\r\n\r\n    $headings.forEach(($heading, i) => {\r\n      const chapterCode = chapters[i].code\r\n      _updateHeading($heading, i, {\r\n        hasAnchor,\r\n        isAtStart,\r\n        showCode,\r\n        chapterCode,\r\n        anchorURL\r\n      })\r\n    })\r\n\r\n    if (isFunction(mounted)) {\r\n      mounted.call(this)\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  scrollTo(top, after) {\r\n    const el = this.$scrollElement\r\n\r\n    scrollTo(el, top, after)\r\n\r\n    return this\r\n  }\r\n\r\n  destroy() {\r\n    const hasAnchor = this.attr('hasAnchor')\r\n    const isAtStart = this.attr('isAtStart')\r\n    const beforeDestroy = this.attr('beforeDestroy')\r\n    const afterDestroy = this.attr('afterDestroy')\r\n    const $headings = this.$headings\r\n\r\n    if (isFunction(beforeDestroy)) {\r\n      beforeDestroy.call(this)\r\n    }\r\n\r\n    this.removeListeners()\r\n    $headings.forEach(($heading) => {\r\n      _resetHeading($heading, hasAnchor, isAtStart)\r\n    })\r\n\r\n    this.attr(Anchors.DEFAULTS)\r\n    this.$articleElement = null\r\n    this.$scrollElement = null\r\n    this.$headings = []\r\n    this.chapters = []\r\n\r\n    if (isFunction(afterDestroy)) {\r\n      afterDestroy.call(this)\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  onAnchorTrigger(evt) {\r\n    const anchorURL = this.attr('anchorURL')\r\n    const afterScroll = this.attr('afterScroll')\r\n    const stickyHeight = this.attr('stickyHeight')\r\n    const $anchor = evt.delegateTarget\r\n    const $heading = $anchor.parentNode\r\n    const top = offsetTop($heading) - (stickyHeight + 10)\r\n    const $scrollElement = this.$scrollElement\r\n    const min = 0\r\n    const max = $scrollElement.scrollHeight - $scrollElement.clientHeight\r\n    const after = () => {\r\n      if (isFunction(afterScroll)) {\r\n        afterScroll.call(this)\r\n      }\r\n\r\n      later(() => {\r\n        publish('toolbar:update', {\r\n          top,\r\n          min,\r\n          max\r\n        })\r\n      })\r\n    }\r\n\r\n    this.scrollTo(top, after)\r\n\r\n    if (!anchorURL) {\r\n      stop(evt)\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  addListeners() {\r\n    const $articleElement = this.$articleElement\r\n\r\n    on(\r\n      $articleElement,\r\n      '.outline-heading__anchor',\r\n      'click',\r\n      this.onAnchorTrigger,\r\n      this,\r\n      true\r\n    )\r\n\r\n    return this\r\n  }\r\n\r\n  removeListeners() {\r\n    const $articleElement = this.$articleElement\r\n\r\n    off($articleElement, 'click', this.onAnchorTrigger)\r\n\r\n    return this\r\n  }\r\n}\r\n\r\nAnchors.DEFAULTS = {\r\n  scrollElement: 'html,body',\r\n  articleElement: '#article',\r\n  selector: 'h1,h2,h3,h4,h5,h6',\r\n  stickyHeight: 0,\r\n  anchorURL: '',\r\n  hasAnchor: true,\r\n  isAtStart: true,\r\n  showCode: false,\r\n  created: null,\r\n  mounted: null,\r\n  afterScroll: null,\r\n  beforeDestroy: null,\r\n  afterDestroy: null\r\n}\r\n\r\nexport default Anchors\r\n","const toTree = (list, nodeKey, parentKey) => {\r\n  const map = {}\r\n  const roots = []\r\n\r\n  list.forEach((item, i) => {\r\n    // initialize the map\r\n    map[item[nodeKey]] = i\r\n    // initialize the children\r\n    item.children = []\r\n  })\r\n\r\n  list.forEach((item) => {\r\n    const node = list[map[item[parentKey]]]\r\n\r\n    if (item[parentKey] !== -1) {\r\n      // if you have dangling branches check that map[node.parentId] exists\r\n      node.children.push(item)\r\n    } else {\r\n      roots.push(item)\r\n    }\r\n  })\r\n\r\n  return roots\r\n}\r\n\r\nexport default toTree\r\n","import trim from './utils/lang/trim'\r\nimport createElement from './utils/dom/createElement'\r\nimport setAttribute from './utils/dom/setAttribute'\r\n\r\nimport { createSvgIcon } from './utils/icons'\r\n\r\nconst _updateHeading = ($heading, i, options) => {\r\n  const CLS_HEADING = 'outline-heading'\r\n  const hasAnchor = options.hasAnchor || true\r\n  const isAtStart = options.isAtStart || true\r\n  const showCode = options.showCode || false\r\n  const chapterCode = options.chapterCode || ''\r\n  const anchorURL = options.anchorURL || ''\r\n  const headingId = `heading-${i}`\r\n  const attrs = {\r\n    id: headingId,\r\n    className: isAtStart ? `${CLS_HEADING} ${CLS_HEADING}_start` : CLS_HEADING,\r\n    'data-id': i\r\n  }\r\n  const keys = Object.keys(attrs)\r\n  const text = trim($heading.innerHTML)\r\n  let $anchor\r\n  let $icon\r\n\r\n  keys.forEach((prop) => {\r\n    setAttribute($heading, prop, attrs[prop])\r\n  })\r\n\r\n  if (showCode) {\r\n    $heading.innerHTML = chapterCode + ' ' + text\r\n  }\r\n\r\n  if (!hasAnchor) {\r\n    return false\r\n  }\r\n\r\n  $icon = createSvgIcon('hash')\r\n  $anchor = createElement(\r\n    'a',\r\n    {\r\n      id: `anchor-${i}`,\r\n      className: `${CLS_HEADING}__anchor anchor-${i}`,\r\n      href: anchorURL ? anchorURL : `#${headingId}`,\r\n      target: anchorURL ? '_blank' : 'self',\r\n      'data-id': i\r\n    },\r\n    [$icon]\r\n  )\r\n  $heading.appendChild($anchor)\r\n}\r\n\r\nexport default _updateHeading\r\n","import hasClass from './hasClass'\r\n\r\n/**\r\n * 给 DOM 节点添加名为 className 的样式\r\n * ========================================================================\r\n * @method addClass\r\n * @param {HTMLElement} el - DOM 节点\r\n * @param {String} className - 样式名称\r\n * @returns {Boolean}\r\n */\r\nconst addClass = (el, className) => {\r\n  let classList\r\n  let allClass\r\n\r\n  if (hasClass(el, className)) {\r\n    return false\r\n  }\r\n\r\n  classList = el.classList\r\n\r\n  if (classList?.add) {\r\n    classList.add(className)\r\n  } else {\r\n    allClass = el.className\r\n    allClass += allClass.length > 0 ? ' ' + className : className\r\n    el.className = allClass\r\n  }\r\n}\r\n\r\nexport default addClass\r\n","const setProperty = (prop, value) => {\r\n  const documentElement = document.documentElement\r\n  documentElement.style.setProperty(prop, value)\r\n}\r\n\r\nexport default setProperty\r\n","import setProperty from './utils/dom/setProperty'\r\n\r\nlet index = 2000\r\n\r\nconst zIndex = (idx) => {\r\n  if (idx) {\r\n    index = idx\r\n  } else {\r\n    index += 1\r\n  }\r\n\r\n  setProperty('--outline-zIndex', `${index}`)\r\n\r\n  return index\r\n}\r\n\r\nexport default zIndex\r\n","import Base from './base'\r\n\r\nimport later from './utils/lang/later'\r\nimport isFunction from './utils/types/isFunction'\r\nimport addClass from './utils/dom/addClass'\r\nimport removeClass from './utils/dom/removeClass'\r\nimport createElement from './utils/dom/createElement'\r\nimport on from './utils/event/on'\r\nimport off from './utils/event/off'\r\n\r\nimport { paintSvgSprites, createSvgIcon } from './utils/icons'\r\nimport zIndex from './zIndex'\r\n\r\nclass Drawer extends Base {\r\n  constructor(options) {\r\n    super()\r\n\r\n    this.attrs = Drawer.DEFAULTS\r\n    this.title = ''\r\n    this.closed = true\r\n    this.$el = null\r\n    this.$modal = null\r\n    this.$header = null\r\n    this.$title = null\r\n    this.$close = null\r\n    this.$main = null\r\n    this.$footer = null\r\n    this.$overlay = null\r\n    this.zIndex = 0\r\n\r\n    if (options) {\r\n      this.initialize(options)\r\n    }\r\n  }\r\n\r\n  initialize(options) {\r\n    let created\r\n\r\n    this.attr(options)\r\n\r\n    this.title = this.attr('title')\r\n    created = this.attr('created')\r\n\r\n    if (isFunction(created)) {\r\n      created.call(this)\r\n    }\r\n\r\n    this.render().addListeners()\r\n    return this\r\n  }\r\n\r\n  setTitle(title) {\r\n    this.attr('title', title)\r\n    this.title = title\r\n    this.$title.innerHTML = title\r\n\r\n    return this\r\n  }\r\n\r\n  isClosed() {\r\n    return this.closed\r\n  }\r\n\r\n  render() {\r\n    const mounted = this.attr('mounted')\r\n    const size = this.attr('size')\r\n    const placement = this.attr('placement')\r\n    const hasClose = this.attr('hasClose')\r\n    const hasOverlay = this.attr('hasOverlay')\r\n    const hasOffset = this.attr('hasOffset')\r\n    const hasPadding = this.attr('hasPadding')\r\n    const autoHeight = this.attr('autoHeight')\r\n    const customClass = this.attr('customClass')\r\n    const $fragment = document.createDocumentFragment()\r\n    let $el\r\n    let $modal\r\n    let $header\r\n    let $title\r\n    let $close\r\n    let $main\r\n    let $footer\r\n    let $overlay\r\n\r\n    paintSvgSprites()\r\n    this.zIndex = zIndex()\r\n\r\n    $title = createElement(\r\n      'h2',\r\n      {\r\n        className: 'outline-drawer__title'\r\n      },\r\n      [this.title]\r\n    )\r\n    this.$title = $title\r\n\r\n    if (hasClose) {\r\n      $close = createElement(\r\n        'div',\r\n        {\r\n          className: 'outline-drawer__close'\r\n        },\r\n        [createSvgIcon('close', 20)]\r\n      )\r\n      this.$close = $close\r\n    }\r\n\r\n    $header = createElement(\r\n      'header',\r\n      {\r\n        className: 'outline-drawer__header'\r\n      },\r\n      [$title, $close]\r\n    )\r\n    this.$header = $header\r\n\r\n    $main = createElement(\r\n      'div',\r\n      {\r\n        className: 'outline-drawer__main'\r\n      },\r\n      ['']\r\n    )\r\n    this.$main = $main\r\n\r\n    if (!hasPadding) {\r\n      addClass($main, 'outline-drawer_full')\r\n    }\r\n\r\n    $footer = createElement(\r\n      'footer',\r\n      {\r\n        className: 'outline-drawer__footer'\r\n      },\r\n      ['']\r\n    )\r\n    this.$footer = $footer\r\n\r\n    $modal = createElement(\r\n      'div',\r\n      {\r\n        className: `outline-drawer__modal outline-drawer_${placement} outline-drawer_${size} outline-drawer_closed`\r\n      },\r\n      [$header, $main, $footer]\r\n    )\r\n    this.$modal = $modal\r\n\r\n    if (hasOffset) {\r\n      addClass($modal, 'outline-drawer_offset')\r\n    }\r\n\r\n    if (autoHeight) {\r\n      addClass($modal, 'outline-drawer_auto')\r\n    }\r\n\r\n    if (customClass) {\r\n      addClass($modal, customClass)\r\n    }\r\n\r\n    if (hasOverlay) {\r\n      $overlay = createElement(\r\n        'div',\r\n        {\r\n          className: 'outline-drawer__overlay'\r\n        },\r\n        ['']\r\n      )\r\n      this.$overlay = $overlay\r\n    }\r\n\r\n    $el = createElement(\r\n      'div',\r\n      {\r\n        className: `outline-drawer`\r\n      },\r\n      [$modal, $overlay]\r\n    )\r\n    this.$el = $el\r\n    $fragment.appendChild($el)\r\n    document.body.appendChild($fragment)\r\n\r\n    if (isFunction(mounted)) {\r\n      mounted.call(this)\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  open() {\r\n    const opened = this.attr('afterOpened')\r\n    const $modal = this.$modal\r\n\r\n    addClass(this.$el, 'outline-drawer_opened')\r\n    removeClass($modal, 'outline-drawer_closed')\r\n    addClass($modal, 'outline-drawer_opened')\r\n\r\n    later(() => {\r\n      this.closed = false\r\n\r\n      if (isFunction(opened)) {\r\n        opened.call(this)\r\n      }\r\n    })\r\n\r\n    return this\r\n  }\r\n\r\n  close() {\r\n    const closed = this.attr('afterClosed')\r\n    const $modal = this.$modal\r\n\r\n    removeClass($modal, 'outline-drawer_opened')\r\n    addClass($modal, 'outline-drawer_closed')\r\n\r\n    later(() => {\r\n      removeClass(this.$el, 'outline-drawer_opened')\r\n      this.closed = true\r\n\r\n      if (isFunction(closed)) {\r\n        closed.call(this)\r\n      }\r\n    })\r\n\r\n    return this\r\n  }\r\n\r\n  toggle() {\r\n    const afterToggle = this.attr('afterToggle')\r\n    const closed = this.isClosed()\r\n\r\n    if (closed) {\r\n      this.open()\r\n    } else {\r\n      this.close()\r\n    }\r\n\r\n    if (isFunction(afterToggle)) {\r\n      later(() => {\r\n        afterToggle.call(this, closed)\r\n      })\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  destroy() {\r\n    const afterDestroy = this.attr('afterDestroy')\r\n    const beforeDestroy = this.attr('beforeDestroy')\r\n    let index = this.zIndex\r\n\r\n    if (isFunction(beforeDestroy)) {\r\n      beforeDestroy.call(this)\r\n    }\r\n\r\n    this.removeListeners()\r\n\r\n    this.attrs = Drawer.DEFAULTS\r\n    this.title = ''\r\n    this.closed = false\r\n    this.$el = null\r\n    this.$modal = null\r\n    this.$header = null\r\n    this.$title = null\r\n    this.$close = null\r\n    this.$main = null\r\n    this.$footer = null\r\n    this.$overlay = null\r\n\r\n    index -= 1\r\n    zIndex(index)\r\n    this.zIndex = 0\r\n\r\n    if (isFunction(afterDestroy)) {\r\n      afterDestroy.call(this)\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  addListeners() {\r\n    const hasClose = this.attr('hasClose')\r\n    const hasOverlay = this.attr('hasOverlay')\r\n    const $el = this.$el\r\n\r\n    if (hasClose) {\r\n      on($el, '.outline-drawer__close', 'click', this.onClose, this, true)\r\n    }\r\n\r\n    if (hasOverlay) {\r\n      on($el, '.outline-drawer__overlay', 'click', this.onClose, this, true)\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  removeListeners() {\r\n    const hasClose = this.attr('hasClose')\r\n    const hasOverlay = this.attr('hasOverlay')\r\n    const $el = this.$el\r\n\r\n    if (!hasClose && !hasOverlay) {\r\n      return this\r\n    }\r\n\r\n    off($el, 'click', this.onClose)\r\n\r\n    return this\r\n  }\r\n\r\n  onClose() {\r\n    this.close()\r\n    return this\r\n  }\r\n}\r\n\r\nDrawer.DEFAULTS = {\r\n  placement: 'rtl',\r\n  title: '标题',\r\n  size: 'regular',\r\n  hasClose: true,\r\n  hasOverlay: true,\r\n  hasOffset: false,\r\n  hasPadding: true,\r\n  autoHeight: true,\r\n  created: null,\r\n  mounted: null,\r\n  afterClosed: null,\r\n  afterOpened: null,\r\n  afterScroll: null,\r\n  beforeDestroy: null,\r\n  afterDestroy: null,\r\n  afterToggle: null\r\n}\r\n\r\nexport default Drawer\r\n","import isFunction from '../types/isFunction'\r\nimport off from './off'\r\n\r\nimport { CAPTURE_EVENTS } from './enum'\r\n\r\n/**\r\n * 绑定事件\r\n * ========================================================================\r\n * @method at\r\n * @param {HTMLElement|String|Object} el - （必须）绑定代理事件的 DOM 节点\r\n * @param {String|Function} type - （必须）事件类型或者事件处理器回调函数\r\n * @param {Function|Object} fn - （必须） 事件处理器回调函数或者传递给事件处理器回调函数的数据对象\r\n * @param {Object|Boolean} [data] - （可选）传递给事件处理器回调函数的数据对象或者事件处理器回调函数的 this 上下文指向，\r\n * @param {Object|Boolean} [context] - （可选）事件处理器回调函数的 this 上下文指向，或者是否仅触发一次\r\n * 当设置为 true 时，则事件处理器回调函数的 this 上下文指向为 data 对象\r\n * @param {Boolean} once - （可选）是否仅触发一次\r\n */\r\nconst at = (el, type, fn, data, context, once = false) => {\r\n  // CAPTURE_EVENTS 中的特殊事件，采用事件捕获模型\r\n  const capture = CAPTURE_EVENTS.indexOf(type) > -1\r\n  const listener = function (evt) {\r\n    let overrideContext = context || el\r\n\r\n    // 当设置为 true 时，则事件处理器回调函数的\r\n    // this 上下文指向为 data 对象\r\n    if (context === true) {\r\n      overrideContext = data\r\n    }\r\n\r\n    // 仅触发一次\r\n    /* istanbul ignore else */\r\n    if (once === true) {\r\n      off(el, type, listener)\r\n    }\r\n\r\n    fn.call(overrideContext, evt, data)\r\n  }\r\n\r\n  if (!isFunction(fn)) {\r\n    return false\r\n  }\r\n\r\n  if (!el._listeners) {\r\n    el._listeners = []\r\n  }\r\n\r\n  // 缓存 options 元素绑定的事件处理器\r\n  el._listeners.push({\r\n    el,\r\n    type,\r\n    fn: listener,\r\n    data,\r\n    context,\r\n    capture\r\n  })\r\n\r\n  // 缓存包装后的事件处理器\r\n  fn._delegateListener = listener\r\n\r\n  el.addEventListener(type, listener, capture)\r\n}\r\n\r\nexport default at\r\n","import Base from './base'\r\n\r\nimport isString from './utils/types/isString'\r\nimport isFunction from './utils/types/isFunction'\r\nimport isElement from './utils/types/isElement'\r\nimport later from './utils/lang/later'\r\nimport at from './utils/event/at'\r\nimport on from './utils/event/on'\r\nimport off from './utils/event/off'\r\nimport stop from './utils/event/stop'\r\nimport createElement from './utils/dom/createElement'\r\nimport scrollTo from './utils/dom/scrollTo'\r\nimport addClass from './utils/dom/addClass'\r\nimport intersection from './utils/dom/intersection'\r\nimport removeClass from './utils/dom/removeClass'\r\nimport offsetTop from './utils/dom/offsetTop'\r\nimport setProperty from './utils/dom/setProperty'\r\nimport publish from './utils/observer/emit'\r\n\r\nimport _getScrollElement from './utils/dom/_getScrollElement'\r\nimport _paintChapters from './_paintChapters'\r\n\r\nclass Chapters extends Base {\r\n  constructor(options) {\r\n    super()\r\n\r\n    this.attrs = Chapters.DEFAULTS\r\n    this.$el = null\r\n    this.$title = null\r\n    this.$main = null\r\n    this.$list = null\r\n    this.$placeholder = null\r\n    this.$parentElement = null\r\n    this.$scrollElement = null\r\n    this.chapters = []\r\n    this.closed = false\r\n    this.active = 0\r\n    this.offsetTop = 0\r\n    this.offsetWidth = 0\r\n    this.$active = null\r\n    this.scrollTimer = null\r\n    this.resizeTimer = null\r\n    this.playing = false\r\n\r\n    if (options) {\r\n      this.initialize(options)\r\n    }\r\n  }\r\n\r\n  initialize(options) {\r\n    let created\r\n    let parentElement\r\n    let scrollElement\r\n    let $parent\r\n\r\n    this.attr(options)\r\n    created = this.attr('created')\r\n    parentElement = this.attr('parentElement')\r\n    scrollElement = this.attr('scrollElement')\r\n\r\n    if (isString(parentElement)) {\r\n      $parent = document.querySelector(parentElement)\r\n    } else if (isElement(parentElement)) {\r\n      $parent = parentElement\r\n    }\r\n    this.$parentElement = $parent\r\n    this.$scrollElement = _getScrollElement(scrollElement)\r\n\r\n    this.chapters = this.attr('chapters')\r\n    this.closed = this.attr('closed')\r\n    this.active = this.attr('active')\r\n\r\n    if (isFunction(created)) {\r\n      created.call(this)\r\n    }\r\n\r\n    if (this.chapters.length < 1) {\r\n      return this\r\n    }\r\n\r\n    this.render().addListeners()\r\n\r\n    this.$active = document.querySelector(`#chapter-${this.active}`)\r\n\r\n    return this\r\n  }\r\n\r\n  isClosed() {\r\n    return this.closed\r\n  }\r\n\r\n  isSticky() {\r\n    const position = this.attr('position')\r\n    return position === 'sticky'\r\n  }\r\n\r\n  isFixed() {\r\n    const position = this.attr('position')\r\n    return position === 'fixed'\r\n  }\r\n\r\n  isInside() {\r\n    return this.isFixed() || this.isSticky()\r\n  }\r\n\r\n  isOutside() {\r\n    return !this.isInside()\r\n  }\r\n\r\n  _paintEdge() {\r\n    const STICKY = 'outline-chapters_sticky'\r\n    const FIXED = 'outline-chapters_fixed'\r\n    const HIDDEN = 'outline-chapters_hidden'\r\n    const title = this.attr('title')\r\n    const customClass = this.attr('customClass')\r\n    const $parentElement = this.$parentElement\r\n    const contents = []\r\n    let $title = null\r\n    let $el\r\n    let $main\r\n    let $list\r\n    let $placeholder\r\n\r\n    if (!$parentElement) {\r\n      return this\r\n    }\r\n\r\n    if (this.isInside()) {\r\n      $title = createElement(\r\n        'h2',\r\n        {\r\n          className: 'outline-chapters__title'\r\n        },\r\n        [title]\r\n      )\r\n      this.$title = $title\r\n      contents.push($title)\r\n    }\r\n\r\n    $list = createElement(\r\n      'ul',\r\n      {\r\n        // 为优化性能，添加了 _fixed 和 _hidden\r\n        // fixed 为了让 $list 脱离流布局\r\n        // hidden 让 $list 不可见\r\n        className: `outline-chapters__list ${FIXED} ${HIDDEN}`\r\n      },\r\n      ['']\r\n    )\r\n    this.$list = $list\r\n\r\n    $placeholder = createElement(\r\n      'div',\r\n      {\r\n        className: 'outline-chapters__placeholder'\r\n      },\r\n      ['']\r\n    )\r\n    this.$placeholder = $placeholder\r\n\r\n    $main = createElement(\r\n      'div',\r\n      {\r\n        className: 'outline-chapters__main'\r\n      },\r\n      [$list, $placeholder]\r\n    )\r\n    this.$main = $main\r\n    contents.push($main)\r\n\r\n    $el = createElement(\r\n      'nav',\r\n      {\r\n        id: 'outline-chapters',\r\n        className: 'outline-chapters'\r\n      },\r\n      contents\r\n    )\r\n    this.$el = $el\r\n\r\n    if (this.isSticky()) {\r\n      this.calculateStickyHeight()\r\n      addClass($el, STICKY)\r\n    }\r\n\r\n    if (customClass) {\r\n      addClass($el, customClass)\r\n    }\r\n\r\n    $parentElement.appendChild($el)\r\n\r\n    return this\r\n  }\r\n\r\n  render() {\r\n    const FIXED = 'outline-chapters_fixed'\r\n    const HIDDEN = 'outline-chapters_hidden'\r\n    const showCode = this.attr('showCode')\r\n    const mounted = this.attr('mounted')\r\n    const $parentElement = this.$parentElement\r\n    let $el\r\n    let $list\r\n\r\n    if (!$parentElement) {\r\n      return this\r\n    }\r\n\r\n    this._paintEdge()\r\n\r\n    $list = this.$list\r\n    _paintChapters($list, this.chapters, showCode)\r\n    removeClass($list, FIXED)\r\n    removeClass($list, HIDDEN)\r\n\r\n    $el = this.$el\r\n    this.offsetTop = offsetTop($el)\r\n    this.offsetWidth = $el.offsetWidth\r\n\r\n    if (this.isFixed()) {\r\n      this.sticky()\r\n      setProperty('--outline-chapters-width', `${this.offsetWidth}px`)\r\n    }\r\n\r\n    if (isFunction(mounted)) {\r\n      mounted.call(this)\r\n    }\r\n\r\n    this.onObserver()\r\n\r\n    return this\r\n  }\r\n\r\n  highlight(id) {\r\n    const $anchor = this.$el.querySelector(`#chapter__anchor-${id}`)\r\n    const HIGHLIGHT = 'outline-chapters_active'\r\n    const $placeholder = this.$placeholder\r\n    let top\r\n\r\n    if (this.$active) {\r\n      removeClass(this.$active, HIGHLIGHT)\r\n    }\r\n\r\n    this.active = parseInt($anchor.getAttribute('data-id'), 10)\r\n    this.$active = $anchor\r\n    addClass(this.$active, HIGHLIGHT)\r\n\r\n    top = 30 * this.active\r\n    $placeholder.style.top = `calc(0.5em + ${top}px)`\r\n\r\n    return this\r\n  }\r\n\r\n  sticky() {\r\n    const afterSticky = this.attr('afterSticky')\r\n    const FIXED = 'outline-chapters_fixed'\r\n    const $el = this.$el\r\n    const top = this.offsetTop\r\n    const scrollTop = this.$scrollElement.scrollTop\r\n    let isStickying\r\n\r\n    if (!this.isFixed()) {\r\n      return this\r\n    }\r\n\r\n    isStickying = !!(scrollTop >= top)\r\n\r\n    if (isStickying) {\r\n      addClass($el, FIXED)\r\n    } else {\r\n      removeClass($el, FIXED)\r\n    }\r\n\r\n    if (isFunction(afterSticky)) {\r\n      afterSticky.call(this, this.isClosed(), isStickying)\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  calculateStickyHeight() {\r\n    const documentElement = document.documentElement\r\n    const height = Math.max(\r\n      documentElement.clientHeight || 0,\r\n      window.innerHeight || 0\r\n    )\r\n    setProperty('--outline-sticky-height', `${height}px`)\r\n    return this\r\n  }\r\n\r\n  scrollTo(top, after) {\r\n    const el = this.$scrollElement\r\n\r\n    scrollTo(el, top, after)\r\n\r\n    return this\r\n  }\r\n\r\n  show() {\r\n    const FOLDED = 'outline-chapters_folded'\r\n    const HIDDEN = 'outline-chapters_hidden'\r\n    const opened = this.attr('afterOpened')\r\n    const $el = this.$el\r\n    const $parent = this.$parentElement\r\n\r\n    if (this.isInside()) {\r\n      removeClass($parent, HIDDEN)\r\n      removeClass($el, HIDDEN)\r\n      later(() => {\r\n        removeClass($parent, FOLDED)\r\n        removeClass($el, FOLDED)\r\n      }, 30)\r\n    } else {\r\n      removeClass($el, HIDDEN)\r\n    }\r\n    this.closed = false\r\n\r\n    if (isFunction(opened)) {\r\n      opened.call(this)\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  hide() {\r\n    const FOLDED = 'outline-chapters_folded'\r\n    const HIDDEN = 'outline-chapters_hidden'\r\n    const closed = this.attr('afterClosed')\r\n    const $el = this.$el\r\n    const $parent = this.$parentElement\r\n\r\n    if (this.isInside()) {\r\n      addClass($parent, FOLDED)\r\n      addClass($el, FOLDED)\r\n      later(() => {\r\n        addClass($parent, HIDDEN)\r\n        addClass($el, HIDDEN)\r\n      })\r\n    } else {\r\n      addClass($el, HIDDEN)\r\n    }\r\n    this.closed = true\r\n\r\n    if (isFunction(closed)) {\r\n      closed.call(this)\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  toggle() {\r\n    const afterToggle = this.attr('afterToggle')\r\n    const top = this.offsetTop\r\n    const scrollTop = this.$scrollElement.scrollTop\r\n    let isStickying\r\n\r\n    if (this.isClosed()) {\r\n      this.show()\r\n    } else {\r\n      this.hide()\r\n    }\r\n\r\n    if (isFunction(afterToggle)) {\r\n      later(() => {\r\n        isStickying = !!(scrollTop >= top)\r\n        afterToggle.call(this, this.isClosed(), isStickying)\r\n      })\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  destroy() {\r\n    const beforeDestroy = this.attr('beforeDestroy')\r\n    const afterDestroy = this.attr('afterDestroy')\r\n\r\n    if (isFunction(beforeDestroy)) {\r\n      beforeDestroy.call(this)\r\n    }\r\n\r\n    this.removeListeners()\r\n    this.$parentElement.removeChild(this.$el)\r\n\r\n    this.attr(Chapters.DEFAULTS)\r\n    this.$el = null\r\n    this.$title = null\r\n    this.$main = null\r\n    this.$list = null\r\n    this.$placeholder = null\r\n    this.$parentElement = null\r\n    this.$scrollElement = null\r\n    this.chapters = []\r\n    this.active = 0\r\n    this.offsetTop = 0\r\n    this.$active = null\r\n    this.closed = false\r\n\r\n    if (this.scrollTimer) {\r\n      clearTimeout(this.scrollTimer)\r\n      this.scrollTimer = null\r\n    }\r\n\r\n    if (this.resizeTimer) {\r\n      clearTimeout(this.resizeTimer)\r\n      this.resizeTimer = null\r\n    }\r\n\r\n    if (isFunction(afterDestroy)) {\r\n      afterDestroy.call(this)\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  onObserver() {\r\n    let timer = null\r\n\r\n    intersection(\r\n      ($heading) => {\r\n        const id = $heading.getAttribute('data-id')\r\n\r\n        if (this.playing) {\r\n          return false\r\n        }\r\n\r\n        if (timer) {\r\n          clearTimeout(timer)\r\n        }\r\n\r\n        timer = later(() => {\r\n          this.highlight(id)\r\n        }, 100)\r\n      },\r\n      { context: this }\r\n    )\r\n\r\n    return this\r\n  }\r\n\r\n  onSelect(evt) {\r\n    const stickyHeight = this.attr('stickyHeight')\r\n    const $anchor = evt.delegateTarget\r\n    const id = $anchor.getAttribute('data-id')\r\n    const headingId = $anchor.href.split('#')[1]\r\n    const $heading = document.querySelector(`#${headingId}`)\r\n    const top = offsetTop($heading) - (stickyHeight + 10)\r\n    const min = 0\r\n    const max = this.$scrollElement.scrollHeight\r\n    const afterScroll = this.attr('afterScroll')\r\n    const after = () => {\r\n      if (isFunction(afterScroll)) {\r\n        afterScroll.call(this)\r\n      }\r\n\r\n      later(() => {\r\n        this.playing = false\r\n        publish('toolbar:update', {\r\n          top,\r\n          min,\r\n          max\r\n        })\r\n      })\r\n    }\r\n\r\n    this.playing = true\r\n    if (this.isFixed()) {\r\n      this.sticky()\r\n      later(() => {\r\n        this.scrollTo(top, after)\r\n        this.highlight(id)\r\n      }, 10)\r\n    } else {\r\n      this.scrollTo(top, after)\r\n      this.highlight(id)\r\n    }\r\n\r\n    stop(evt)\r\n\r\n    return this\r\n  }\r\n\r\n  onScroll() {\r\n    const $scrollElement = this.$scrollElement\r\n\r\n    if (this.scrollTimer) {\r\n      clearTimeout(this.scrollTimer)\r\n    }\r\n\r\n    this.scrollTimer = later(() => {\r\n      const top = $scrollElement.scrollTop\r\n      const min = 0\r\n      const max = $scrollElement.scrollHeight - $scrollElement.clientHeight\r\n\r\n      if (this.isFixed()) {\r\n        this.sticky()\r\n      }\r\n\r\n      publish('toolbar:update', {\r\n        top,\r\n        min,\r\n        max\r\n      })\r\n    }, 50)\r\n\r\n    return this\r\n  }\r\n\r\n  onResize() {\r\n    if (this.resizeTimer) {\r\n      clearTimeout(this.resizeTimer)\r\n    }\r\n\r\n    this.resizeTimer = later(() => {\r\n      this.calculateStickyHeight()\r\n    })\r\n\r\n    return this\r\n  }\r\n\r\n  addListeners() {\r\n    const $el = this.$el\r\n    const $scrollElement = this.$scrollElement\r\n    const tagName = $scrollElement.tagName.toLowerCase()\r\n    let $element = $scrollElement\r\n\r\n    if (tagName === 'html' || tagName === 'body') {\r\n      $element = window\r\n    }\r\n\r\n    on($el, '.outline-chapters__anchor', 'click', this.onSelect, this, true)\r\n    at($element, 'scroll', this.onScroll, this, true)\r\n    if (this.isSticky()) {\r\n      at($element, 'resize', this.onResize, this, true)\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  removeListeners() {\r\n    const $el = this.$el\r\n    const $scrollElement = this.$scrollElement\r\n    const tagName = $scrollElement.tagName.toLowerCase()\r\n    let $element = $scrollElement\r\n\r\n    if (tagName === 'html' || tagName === 'body') {\r\n      $element = window\r\n    }\r\n\r\n    off($el, 'click', this.onSelect)\r\n    off($element, 'scroll', this.onScroll)\r\n    if (this.isSticky()) {\r\n      at($element, 'resize', this.onResize)\r\n    }\r\n\r\n    return this\r\n  }\r\n}\r\n\r\nChapters.DEFAULTS = {\r\n  parentElement: '',\r\n  scrollElement: '',\r\n  selector: '',\r\n  active: 0,\r\n  closed: false,\r\n  showCode: true,\r\n  position: 'relative',\r\n  stickyHeight: 0,\r\n  chapters: [],\r\n  created: null,\r\n  mounted: null,\r\n  afterClosed: null,\r\n  afterOpened: null,\r\n  afterScroll: null,\r\n  beforeDestroy: null,\r\n  afterDestroy: null,\r\n  afterSticky: null\r\n}\r\n\r\nexport default Chapters\r\n","import createElement from './utils/dom/createElement'\r\n\r\nconst _paintChapters = ($list, chapters, showCode = false) => {\r\n  const byId = (id) => document.getElementById(id)\r\n\r\n  chapters.forEach((chapter) => {\r\n    const pid = chapter.pid\r\n    const id = chapter.id\r\n    const rel = chapter.rel\r\n    const $text = createElement(\r\n      'span',\r\n      {\r\n        className: 'outline-chapters__text'\r\n      },\r\n      [chapter.text]\r\n    )\r\n    const $link = createElement(\r\n      'a',\r\n      {\r\n        id: `chapter__anchor-${id}`,\r\n        className: 'outline-chapters__anchor',\r\n        href: '#' + rel,\r\n        rel: rel,\r\n        'data-id': id\r\n      },\r\n      [$text]\r\n    )\r\n    let $code\r\n    let $li\r\n    let $ul\r\n    let $parent\r\n\r\n    if (showCode) {\r\n      $code = createElement(\r\n        'span',\r\n        {\r\n          className: 'outline-chapters__code',\r\n          'data-id': id\r\n        },\r\n        [chapter.code]\r\n      )\r\n\r\n      $link.insertBefore($code, $link.firstChild)\r\n    }\r\n\r\n    $li = createElement(\r\n      'li',\r\n      {\r\n        id: `chapter-${id}`,\r\n        className: 'outline-chapters__item',\r\n        'data-id': id\r\n      },\r\n      [$link]\r\n    )\r\n\r\n    if (pid === -1) {\r\n      $list.appendChild($li)\r\n    } else {\r\n      $parent = byId(`chapter-${pid}`)\r\n      $ul = byId(`subject-${pid}`)\r\n\r\n      if (!$ul) {\r\n        $ul = createElement(\r\n          'ul',\r\n          {\r\n            id: 'subject-' + pid,\r\n            className: 'outline-chapters__subject'\r\n          },\r\n          [$li]\r\n        )\r\n\r\n        $parent.appendChild($ul)\r\n      } else {\r\n        $ul.appendChild($li)\r\n      }\r\n    }\r\n  })\r\n}\r\n\r\nexport default _paintChapters\r\n","import isFunction from '../types/isFunction'\r\nimport isElement from '../types/isElement'\r\n\r\n/**\r\n * 通用的 IntersectionObserver 观察者处理器\r\n * ========================================================================\r\n * @method intersection\r\n * @param {Function} fn\r\n * @param {Object} [props]\r\n * @param {Object|HTMLElement} [props.root]\r\n * @param {String} [props.selector]\r\n * @param {Object} [props.context]\r\n * @param {String} [props.attr]\r\n * @param {String} [props.rootMargin]\r\n */\r\nconst intersection = (fn, props = {}) => {\r\n  const root = props.root || null\r\n  const selector = props.selector || '.outline-heading'\r\n  const context = props.context || null\r\n  const rootMargin = props.rootMargin || '0px 0px -90% 0px'\r\n  const options = {\r\n    rootMargin: rootMargin\r\n  }\r\n  const Observer = new IntersectionObserver((entries) => {\r\n    entries.forEach((entry) => {\r\n      if (entry.intersectionRatio > 0) {\r\n        if (isFunction(fn)) {\r\n          fn.call(context || entry.target, entry.target)\r\n        }\r\n      }\r\n    })\r\n  }, options)\r\n  const $root = isElement(root) ? root : document\r\n\r\n  if (root) {\r\n    options.root = root\r\n  }\r\n\r\n  $root.querySelectorAll(selector).forEach((section) => {\r\n    Observer.observe(section)\r\n  })\r\n}\r\n\r\nexport default intersection\r\n","import { createSvgIcon } from './utils/icons'\r\nimport createElement from './utils/dom/createElement'\r\nimport addClass from './utils/dom/addClass'\r\n\r\nconst _createButton = (button, rounded = true) => {\r\n  const $icon = createSvgIcon(button.icon, button.size)\r\n  const $anchor = createElement(\r\n    'a',\r\n    {\r\n      className: `outline-toolbar__anchor`,\r\n      href: button.link\r\n    },\r\n    [$icon]\r\n  )\r\n  const $button = createElement(\r\n    'div',\r\n    {\r\n      className: `outline-toolbar__button ${button.name}`\r\n    },\r\n    [button.link ? $anchor : $icon]\r\n  )\r\n\r\n  addClass($icon, 'outline-toolbar__icon')\r\n\r\n  if (rounded) {\r\n    addClass($button, 'outline-toolbar_rounded')\r\n  }\r\n\r\n  if (button.disabled) {\r\n    addClass($button, 'outline-toolbar_disabled')\r\n  }\r\n\r\n  return $button\r\n}\r\n\r\nexport default _createButton\r\n","import Base from './base'\r\n\r\nimport isString from './utils/types/isString'\r\nimport isFunction from './utils/types/isFunction'\r\nimport isObject from './utils/types/isObject'\r\nimport isArray from './utils/types/isArray'\r\nimport later from './utils/lang/later'\r\nimport createElement from './utils/dom/createElement'\r\nimport addClass from './utils/dom/addClass'\r\nimport hasClass from './utils/dom/hasClass'\r\nimport removeClass from './utils/dom/removeClass'\r\nimport on from './utils/event/on'\r\nimport off from './utils/event/off'\r\nimport publish from './utils/observer/emit'\r\nimport { paintSvgSprites } from './utils/icons'\r\n\r\nimport _createButton from './_createButton'\r\n\r\nconst DISABLED = 'outline-toolbar_disabled'\r\nconst HIDDEN = 'outline-toolbar_hidden'\r\n\r\nclass Toolbar extends Base {\r\n  constructor(options) {\r\n    super()\r\n\r\n    this.attrs = Toolbar.DEFAULTS\r\n    this.$el = null\r\n    this.disabled = false\r\n    this.closed = false\r\n    this.buttons = []\r\n\r\n    if (options) {\r\n      this.initialize(options)\r\n    }\r\n  }\r\n\r\n  initialize(options) {\r\n    let created\r\n\r\n    this.attr(options)\r\n    created = this.attr('created')\r\n    this.disabled = this.attr('disabled')\r\n    this.closed = this.attr('closed')\r\n\r\n    if (isFunction(created)) {\r\n      created.call(this)\r\n    }\r\n\r\n    this.render().addListeners()\r\n\r\n    return this\r\n  }\r\n\r\n  isDisabled(name) {\r\n    const buttons = this.attr('buttons')\r\n    let button\r\n\r\n    if (name) {\r\n      button = buttons.find((option) => option.name === name)\r\n\r\n      return !!(button && button.disabled)\r\n    }\r\n\r\n    return this.disabled\r\n  }\r\n\r\n  isClosed() {\r\n    return this.closed\r\n  }\r\n\r\n  highlight(name) {\r\n    const button = this.buttons.find((item) => item.name === name)\r\n    const ACTIVE = 'outline-toolbar_active'\r\n    let $button\r\n\r\n    if ($button) {\r\n      return this\r\n    }\r\n\r\n    $button = button.$el\r\n\r\n    if (hasClass($button, ACTIVE)) {\r\n      removeClass($button, ACTIVE)\r\n    } else {\r\n      addClass($button, ACTIVE)\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  render() {\r\n    const mounted = this.attr('mounted')\r\n    const buttons = this.attr('buttons') || []\r\n    const rounded = this.attr('rounded')\r\n    const placement = this.attr('placement')\r\n    const $buttons = document.createDocumentFragment()\r\n    const $fragment = document.createDocumentFragment()\r\n\r\n    paintSvgSprites()\r\n\r\n    buttons.forEach((button) => {\r\n      const $button = _createButton(button, rounded)\r\n\r\n      $buttons.appendChild($button)\r\n      this.buttons.push({\r\n        name: button.name,\r\n        $el: $button\r\n      })\r\n    })\r\n\r\n    this.$el = createElement(\r\n      'div',\r\n      {\r\n        id: 'outline-toolbar',\r\n        className: `outline-toolbar outline-toolbar_${placement}`\r\n      },\r\n      [$buttons]\r\n    )\r\n    $fragment.appendChild(this.$el)\r\n    document.body.appendChild($fragment)\r\n\r\n    if (this.closed) {\r\n      this.hide()\r\n    }\r\n\r\n    if (this.disabled) {\r\n      this.disable()\r\n    }\r\n\r\n    if (isFunction(mounted)) {\r\n      mounted.call(this)\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  add(button) {\r\n    const $el = this.$el\r\n    const buttons = this.attr('buttons')\r\n    const action = button.action\r\n    const $fragment = document.createDocumentFragment()\r\n    let type\r\n\r\n    if (isObject(button)) {\r\n      buttons.push(button)\r\n      $fragment.appendChild(_createButton(button))\r\n    } else if (isArray(button)) {\r\n      button.forEach((item) => {\r\n        $fragment.appendChild(_createButton(item))\r\n      })\r\n    }\r\n    $el.appendChild($fragment)\r\n\r\n    if (action && isFunction(action.handler)) {\r\n      type = action.type || 'click'\r\n      on($el, `.${button.name}`, type, action.handler)\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  remove(name) {\r\n    const $el = this.$el\r\n    const buttons = this.attr('buttons')\r\n    const button = buttons.find((option) => option.name === name)\r\n    let index = -1\r\n    let $button\r\n\r\n    if (!button) {\r\n      return this\r\n    }\r\n\r\n    buttons.forEach((button, i) => {\r\n      if (button.name === name) {\r\n        index = i\r\n      }\r\n    })\r\n\r\n    if (index > -1) {\r\n      this.attr().buttons.splice(index, 1)\r\n    }\r\n\r\n    $button = $el.querySelector(`.${name}`)\r\n    this.switch(name, false)\r\n    $el.removeChild($button)\r\n\r\n    return this\r\n  }\r\n\r\n  switch(name, enabled) {\r\n    const $el = this.$el\r\n    const buttons = this.attr('buttons')\r\n    const button = buttons.find((option) => option.name === name)\r\n    let action\r\n    let type\r\n    let listener\r\n    let $button\r\n\r\n    if (!button) {\r\n      return this\r\n    }\r\n\r\n    buttons.forEach((option) => {\r\n      if (option.name === name) {\r\n        button.disabled = !enabled\r\n      }\r\n    })\r\n\r\n    action = button.action\r\n    $button = $el.querySelector(`.${name}`)\r\n\r\n    if (action) {\r\n      type = action.type || 'click'\r\n      listener = action.handler\r\n    }\r\n\r\n    if (enabled) {\r\n      removeClass($button, DISABLED)\r\n\r\n      if (type && listener) {\r\n        on($el, `.${name}`, type, listener)\r\n      }\r\n    } else {\r\n      addClass($button, DISABLED)\r\n\r\n      if (type && listener) {\r\n        off($el, type, listener)\r\n      }\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  disable(name) {\r\n    const disabled = this.attr('afterDisabled')\r\n\r\n    if (name) {\r\n      this.switch(name, false)\r\n    } else {\r\n      addClass(this.$el, DISABLED)\r\n      this.removeListeners()\r\n      this.disabled = true\r\n\r\n      if (isFunction(disabled)) {\r\n        disabled.call(this)\r\n      }\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  enable(name) {\r\n    const enabled = this.attr('afterEnabled')\r\n\r\n    if (name) {\r\n      this.switch(name, true)\r\n    } else {\r\n      this.disabled = false\r\n      removeClass(this.$el, DISABLED)\r\n      this.addListeners()\r\n\r\n      if (isFunction(enabled)) {\r\n        enabled.call(this)\r\n      }\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  show(name) {\r\n    const opened = this.attr('afterOpened')\r\n    const button = this.attr('buttons').find((option) => option.name === name)\r\n    const $el = this.$el\r\n    let $button\r\n\r\n    if (name) {\r\n      if (!button) {\r\n        return this\r\n      }\r\n\r\n      $button = $el.querySelector(`.${name}`)\r\n      removeClass($button, HIDDEN)\r\n    } else {\r\n      removeClass($el, HIDDEN)\r\n      this.closed = false\r\n\r\n      if (isFunction(opened)) {\r\n        later(() => {\r\n          opened.call(this)\r\n        }, 310)\r\n      }\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  hide(name) {\r\n    const closed = this.attr('afterClosed')\r\n    const button = this.attr('buttons').find((option) => option.name === name)\r\n    const $el = this.$el\r\n    let $button\r\n\r\n    if (name) {\r\n      if (!button) {\r\n        return this\r\n      }\r\n      $button = $el.querySelector(`.${name}`)\r\n      addClass($button, HIDDEN)\r\n    } else {\r\n      addClass($el, HIDDEN)\r\n      this.closed = true\r\n\r\n      if (isFunction(closed)) {\r\n        later(() => {\r\n          closed.call(this)\r\n        }, 310)\r\n      }\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  toggle() {\r\n    if (this.isClosed()) {\r\n      this.show()\r\n    } else {\r\n      this.hide()\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  destroy() {\r\n    const beforeDestroy = this.attr('beforeDestroy')\r\n    const afterDestroy = this.attr('afterDestroy')\r\n    let $el = this.$el\r\n\r\n    if (isFunction(beforeDestroy)) {\r\n      beforeDestroy.call(this)\r\n    }\r\n\r\n    this.removeListeners()\r\n    document.body.removeChild($el)\r\n    $el = null\r\n\r\n    this.attr(Toolbar.DEFAULTS)\r\n    this.disabled = false\r\n    this.closed = false\r\n    this.buttons = []\r\n\r\n    if (isFunction(afterDestroy)) {\r\n      afterDestroy.call(this)\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  refresh() {\r\n    const $el = this.$el\r\n    const buttons = this.attr('buttons') || []\r\n\r\n    this.removeListeners()\r\n    $el.innerHTML = ''\r\n\r\n    buttons.forEach((button) => {\r\n      this.$el.appendChild(_createButton(button))\r\n    })\r\n\r\n    this.addListeners()\r\n\r\n    return this\r\n  }\r\n\r\n  addListeners() {\r\n    const buttons = this.attr('buttons')\r\n    const $el = this.$el\r\n\r\n    if (!buttons || buttons.length < 1) {\r\n      return this\r\n    }\r\n\r\n    buttons.forEach((button) => {\r\n      const action = button.action\r\n      const disabled = this.disabled\r\n      let type\r\n      let listener\r\n      let context\r\n      let command\r\n\r\n      if (disabled) {\r\n        return false\r\n      }\r\n\r\n      if (action) {\r\n        listener = action.handler\r\n        if (isString(listener)) {\r\n          command = listener\r\n          action.handler = function () {\r\n            publish(command, button.name)\r\n          }\r\n          listener = action.handler\r\n        }\r\n\r\n        type = action.type || 'click'\r\n        context = action.context\r\n      }\r\n\r\n      if (isFunction(listener)) {\r\n        on($el, `.${button.name}`, type, listener, context || this, true)\r\n      }\r\n    })\r\n\r\n    return this\r\n  }\r\n\r\n  removeListeners() {\r\n    const buttons = this.attr('buttons')\r\n    const $el = this.$el\r\n\r\n    if (!buttons || buttons.length < 1) {\r\n      return this\r\n    }\r\n\r\n    buttons.forEach((button) => {\r\n      const action = button.action\r\n      const disabled = this.disabled\r\n      let type\r\n      let listener\r\n\r\n      if (disabled) {\r\n        return false\r\n      }\r\n\r\n      if (action) {\r\n        listener = action.handler\r\n        type = action.type || 'click'\r\n      }\r\n\r\n      if (isFunction(listener)) {\r\n        off($el, type, listener)\r\n      }\r\n    })\r\n\r\n    return this\r\n  }\r\n}\r\n\r\nToolbar.DEFAULTS = {\r\n  placement: 'ltr',\r\n  closed: false,\r\n  disabled: false,\r\n  rounded: true,\r\n  buttons: [],\r\n  created: null,\r\n  mounted: null,\r\n  afterClosed: null,\r\n  afterOpened: null,\r\n  afterDisabled: null,\r\n  afterEnabled: null,\r\n  beforeDestroy: null,\r\n  afterDestroy: null\r\n}\r\n\r\nexport default Toolbar\r\n","/**\r\n * 生成唯一 id 字符串的函数\r\n * ========================================================================\r\n * @method guid\r\n * @param {String} [prefix] - 生成 id 的前缀字符串\r\n * @return {String} 返回一个表示唯一 id 的字符串\r\n */\r\nconst guid = (() => {\r\n  let uuid = 0\r\n\r\n  return (prefix) => {\r\n    uuid += 1\r\n\r\n    return prefix ? prefix + '-' + uuid : 'guid-' + uuid\r\n  }\r\n})()\r\n\r\nexport default guid\r\n","import _subscribers from './_subscribers'\r\nimport isFunction from '../types/isFunction'\r\nimport guid from '../lang/guid'\r\n\r\n/**\r\n * 订阅主题，并给出处理器函数\r\n * ========================================================================\r\n * @method on\r\n * @param {String} topic - （必须）主题名称\r\n * @param {Function} handler - （必须）主题的处理器函数\r\n * @param {Object} [context] - （可选）指定 this 执行上下文\r\n * @return {String|Boolean} - 唯一的 token 字符串，例如：'guid-1'。\r\n */\r\nconst on = (topic, handler, context = null) => {\r\n  const token = guid()\r\n  let subject = typeof topic === 'symbol' ? topic.toString() : topic\r\n\r\n  if (!isFunction(handler)) {\r\n    return false\r\n  }\r\n\r\n  /* istanbul ignore else */\r\n  if (!_subscribers[subject]) {\r\n    _subscribers[subject] = []\r\n  }\r\n\r\n  _subscribers[subject].push({\r\n    topic: subject,\r\n    callback: handler,\r\n    context,\r\n    token\r\n  })\r\n\r\n  return token\r\n}\r\n\r\nexport default on\r\n","import _subscribers from './_subscribers'\r\nimport hasOwn from '../lang/hasOwn'\r\n\r\n/**\r\n * 删除与给定 topic 相同的订阅者信息\r\n * ========================================================================\r\n * @method _removeSubscriber\r\n * @param {String} topic - （必须）订阅主题字符串\r\n * @returns {Boolean}\r\n */\r\nconst _removeSubscriber = (topic) => {\r\n  if (!hasOwn(_subscribers, topic)) {\r\n    return false\r\n  }\r\n\r\n  delete _subscribers[topic]\r\n}\r\n\r\nexport default _removeSubscriber\r\n","import has from './has'\r\nimport _removeSubscriber from './_removeSubscriber'\r\nimport _removeSubscriberByToken from './_removeSubscriberByToken'\r\n\r\n/**\r\n * 取消订阅主题\r\n * ========================================================================\r\n * @method off\r\n * @param {String} topic - （必须）订阅的主题\r\n * @param {Function|String} [token] - （可选）订阅主题的处理器函数或者唯一 Id 值\r\n */\r\nconst off = (topic, token) => {\r\n  if (!has(topic)) {\r\n    return false\r\n  }\r\n\r\n  if (token) {\r\n    _removeSubscriberByToken(token)\r\n  } else {\r\n    _removeSubscriber(topic)\r\n  }\r\n}\r\n\r\nexport default off\r\n","import _subscribers from './_subscribers'\r\nimport _removeSubscriber from './_removeSubscriber'\r\n\r\n/**\r\n * 通过订阅者 token 值删除订阅者信息\r\n * ========================================================================\r\n * @method _removeSubscriberByToken\r\n * @param {String} token - 订阅者 token 字符串\r\n * @returns {boolean}\r\n * @private\r\n */\r\nconst _removeSubscriberByToken = (token) => {\r\n  const keys = Object.keys(_subscribers)\r\n  let index = -1\r\n\r\n  if (!token || keys.length < 1) {\r\n    return false\r\n  }\r\n\r\n  keys.forEach((subject) => {\r\n    const subscriber = _subscribers[subject]\r\n    let topic\r\n\r\n    subscriber.forEach((execution, j) => {\r\n      if (execution.callback === token || execution.token === token) {\r\n        topic = execution.topic\r\n        subscriber.splice(index, j)\r\n      }\r\n    })\r\n\r\n    /* istanbul ignore else */\r\n    if (subscriber.length < 1) {\r\n      _removeSubscriber(topic)\r\n    }\r\n  })\r\n}\r\n\r\nexport default _removeSubscriberByToken\r\n","import Base from './base'\r\nimport Anchors from './anchors'\r\nimport Drawer from './drawer'\r\nimport Chapters from './chapters'\r\nimport Toolbar from './toolbar'\r\n\r\nimport later from './utils/lang/later'\r\nimport scrollTo from './utils/dom/scrollTo'\r\nimport _getScrollElement from './utils/dom/_getScrollElement'\r\nimport subscribe from './utils/observer/on'\r\nimport unsubscribe from './utils/observer/off'\r\n\r\nclass Outline extends Base {\r\n  constructor(options) {\r\n    super()\r\n\r\n    this.attrs = Outline.DEFAULTS\r\n    this.anchors = null\r\n    this.drawer = null\r\n    this.chapters = null\r\n    this.toolbar = null\r\n\r\n    if (options) {\r\n      this.initialize(options)\r\n    }\r\n  }\r\n\r\n  initialize(options) {\r\n    this.attr(options).render().addListeners()\r\n    return this\r\n  }\r\n\r\n  getChapters(isTreeStructured = false) {\r\n    return this.anchors.getChapters(isTreeStructured)\r\n  }\r\n\r\n  count() {\r\n    return this.anchors.count()\r\n  }\r\n\r\n  render() {\r\n    this._renderAnchors()._renderChapters()._renderToolbar()\r\n\r\n    return this\r\n  }\r\n\r\n  _renderAnchors() {\r\n    const articleElement = this.attr('articleElement')\r\n    const selector = this.attr('selector')\r\n    const stickyHeight = this.attr('stickyHeight')\r\n    const scrollElement = this.attr('scrollElement')\r\n    const showCode = this.attr('showCode')\r\n    const anchorURL = this.attr('anchorURL')\r\n\r\n    this.anchors = new Anchors({\r\n      articleElement,\r\n      stickyHeight,\r\n      scrollElement,\r\n      selector,\r\n      showCode,\r\n      anchorURL\r\n    })\r\n\r\n    return this\r\n  }\r\n\r\n  _renderChapters() {\r\n    const title = this.attr('title')\r\n    const stickyHeight = this.attr('stickyHeight')\r\n    const scrollElement = this.attr('scrollElement')\r\n    const customClass = this.attr('customClass')\r\n    const showCode = this.attr('showCode')\r\n    const position = this.attr('position')\r\n    const placement = this.attr('placement')\r\n    const afterSticky = this.attr('afterSticky')\r\n    const afterToggle = this.attr('afterToggle')\r\n    const count = this.count()\r\n    let parentElement = this.attr('parentElement')\r\n    let CHAPTERS_OPTIONS\r\n\r\n    if (count < 1) {\r\n      return this\r\n    }\r\n\r\n    CHAPTERS_OPTIONS = {\r\n      scrollElement,\r\n      showCode,\r\n      position,\r\n      title,\r\n      stickyHeight,\r\n      chapters: this.anchors.getChapters(),\r\n      afterSticky,\r\n      afterToggle\r\n    }\r\n\r\n    if (position === 'relative') {\r\n      this.drawer = new Drawer({\r\n        placement,\r\n        title,\r\n        size: 'tiny',\r\n        hasOffset: true,\r\n        hasPadding: false,\r\n        customClass,\r\n        afterClosed: () => {\r\n          const toolbar = this.toolbar\r\n          toolbar.toggle()\r\n        }\r\n      })\r\n      parentElement = this.drawer.$main\r\n    } else {\r\n      CHAPTERS_OPTIONS.customClass = customClass\r\n    }\r\n\r\n    CHAPTERS_OPTIONS.parentElement = parentElement\r\n    this.chapters = new Chapters(CHAPTERS_OPTIONS)\r\n\r\n    return this\r\n  }\r\n\r\n  _renderToolbar() {\r\n    const placement = this.attr('placement')\r\n    const homepage = this.attr('homepage')\r\n    const count = this.count()\r\n    const UP = {\r\n      name: 'up',\r\n      icon: 'up',\r\n      size: 20,\r\n      action: {\r\n        type: 'click',\r\n        handler: 'toolbar:action:up'\r\n      }\r\n    }\r\n    const HOME = {\r\n      name: 'homepage',\r\n      icon: 'homepage',\r\n      size: 20,\r\n      link: homepage\r\n    }\r\n    const MENU = {\r\n      name: 'menu',\r\n      icon: 'menu',\r\n      size: 18,\r\n      action: {\r\n        type: 'click',\r\n        handler: 'toolbar:action:toggle'\r\n      }\r\n    }\r\n    const DOWN = {\r\n      name: 'down',\r\n      icon: 'down',\r\n      size: 20,\r\n      action: {\r\n        type: 'click',\r\n        handler: 'toolbar:action:down'\r\n      }\r\n    }\r\n    const buttons = []\r\n\r\n    buttons.push(UP)\r\n    if (homepage) {\r\n      buttons.push(HOME)\r\n    }\r\n    if (count > 0) {\r\n      buttons.push(MENU)\r\n    }\r\n    buttons.push(DOWN)\r\n\r\n    this.toolbar = new Toolbar({\r\n      placement,\r\n      buttons: buttons\r\n    })\r\n\r\n    return this\r\n  }\r\n\r\n  toTop() {\r\n    const toolbar = this.toolbar\r\n    const chapters = this.chapters\r\n    const count = this.count()\r\n    const afterTop = () => {\r\n      toolbar.hide('up')\r\n      toolbar.show('down')\r\n\r\n      if (count > 0) {\r\n        chapters.highlight(0)\r\n      }\r\n      chapters.playing = false\r\n    }\r\n\r\n    chapters.playing = true\r\n    this.scrollTo(0, afterTop)\r\n\r\n    return this\r\n  }\r\n\r\n  toBottom() {\r\n    const $scrollElement = _getScrollElement(this.attr('scrollElement'))\r\n    const toolbar = this.toolbar\r\n    const chapters = this.chapters\r\n    const count = this.count()\r\n    const top = Math.floor(\r\n      $scrollElement.scrollHeight - $scrollElement.clientHeight\r\n    )\r\n    const afterDown = () => {\r\n      toolbar.hide('down')\r\n      toolbar.show('up')\r\n\r\n      if (count > 1) {\r\n        chapters.highlight(count - 1)\r\n      }\r\n      chapters.playing = false\r\n    }\r\n\r\n    chapters.playing = true\r\n    this.scrollTo(top, afterDown)\r\n\r\n    return this\r\n  }\r\n\r\n  scrollTo(top, afterScroll) {\r\n    const scrollElement = this.attr('scrollElement')\r\n    scrollTo(scrollElement, top, afterScroll)\r\n    return this\r\n  }\r\n\r\n  toggle() {\r\n    const position = this.attr('position')\r\n    const toolbar = this.toolbar\r\n    const drawer = this.drawer\r\n    const chapters = this.chapters\r\n    const count = this.count()\r\n\r\n    if (position !== 'relative') {\r\n      chapters.toggle()\r\n      toolbar.highlight('menu')\r\n    } else {\r\n      toolbar.toggle()\r\n\r\n      if (count < 1) {\r\n        return this\r\n      }\r\n\r\n      later(() => {\r\n        if (chapters.isInside()) {\r\n          chapters.toggle()\r\n        } else {\r\n          drawer.toggle()\r\n        }\r\n      })\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  destroy() {\r\n    const chapters = this.chapters\r\n    const count = this.count()\r\n\r\n    this.removeListeners()\r\n\r\n    this.attr(Outline.DEFAULTS)\r\n    this.anchors.destroy()\r\n    if (count < 1) {\r\n      chapters.destroy()\r\n      if (chapters.isOutside()) {\r\n        this.drawer.destroy()\r\n      }\r\n    }\r\n    this.toolbar.destroy()\r\n\r\n    return this\r\n  }\r\n\r\n  onToggle() {\r\n    this.toggle()\r\n    return this\r\n  }\r\n\r\n  onScrollTop() {\r\n    this.toTop()\r\n    return this\r\n  }\r\n\r\n  onScrollBottom() {\r\n    this.toBottom()\r\n    return this\r\n  }\r\n\r\n  onToolbarUpdate({ top, min, max }) {\r\n    const toolbar = this.toolbar\r\n    const current = Math.ceil(top)\r\n\r\n    if (current <= min) {\r\n      toolbar.hide('up')\r\n      toolbar.show('down')\r\n    } else if (current >= max) {\r\n      toolbar.hide('down')\r\n      toolbar.show('up')\r\n    } else if (current > min && current < max) {\r\n      toolbar.show('up')\r\n      toolbar.show('down')\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  addListeners() {\r\n    subscribe('toolbar:update', this.onToolbarUpdate, this)\r\n    subscribe('toolbar:action:up', this.onScrollTop, this)\r\n    subscribe('toolbar:action:toggle', this.onToggle, this)\r\n    subscribe('toolbar:action:down', this.onScrollBottom, this)\r\n    return this\r\n  }\r\n\r\n  removeListeners() {\r\n    unsubscribe('toolbar:update')\r\n    unsubscribe('toolbar:action:up')\r\n    unsubscribe('toolbar:action:toggle')\r\n    unsubscribe('toolbar:action:down')\r\n    return this\r\n  }\r\n}\r\n\r\nOutline.DEFAULTS = {\r\n  articleElement: '#article',\r\n  selector: 'h2,h3,h4,h5,h6',\r\n  title: '目录',\r\n  scrollElement: 'html,body',\r\n  position: 'relative',\r\n  parentElement: '#aside',\r\n  placement: 'rtl',\r\n  showCode: true,\r\n  anchorURL: '',\r\n  stickyHeight: 0,\r\n  customClass: '',\r\n  afterSticky: null,\r\n  afterToggle: null\r\n}\r\n\r\nif (window.jQuery) {\r\n  // 将 Outline 扩展为一个 jquery 插件\r\n  // eslint-disable-next-line no-undef\r\n  jQuery.extend(jQuery.fn, {\r\n    outline: function (options) {\r\n      // eslint-disable-next-line no-undef\r\n      let $article = jQuery(this)\r\n\r\n      return new Outline(\r\n        // eslint-disable-next-line no-undef\r\n        jQuery.extend({}, options, {\r\n          articleElement: 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\ No newline at end of file
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（必须）检测的目标对象\r\n * @param {String} prop - （必须）属性名\r\n * @returns {Boolean}\r\n */\r\nconst hasOwn = (obj, prop) => {\r\n  const hasOwnProperty = Object.prototype.hasOwnProperty\r\n  return obj && hasOwnProperty.call(obj, prop)\r\n}\r\n\r\nexport default hasOwn\r\n","/**\r\n * Object 对象原型上的 toString 方法\r\n * ========================================================================\r\n * @method toString\r\n * @param {*} val\r\n * @returns {string}\r\n */\r\nconst toString = (val) => {\r\n  return Object.prototype.toString.apply(val)\r\n}\r\n\r\nexport default toString\r\n","import toString from '../lang/toString'\r\n\r\n/**\r\n * 检测测试数据是否为 Function 类型\r\n * ========================================================================\r\n * @method isFunction\r\n * @param {*} val - （必须）待检测的数据\r\n * @returns {boolean} 'val' 是 Function 类型返回 true，否则返回 false\r\n */\r\nconst isFunction = (val) => {\r\n  return typeof val === 'function' || toString(val) === '[object Function]'\r\n}\r\n\r\nexport default isFunction\r\n","import toString from '../lang/toString'\r\nimport isFunction from '../types/isFunction'\r\n\r\n/**\r\n * 检测数据是否为 Object 类型\r\n * ========================================================================\r\n * @method isObject\r\n * @param {*} o\r\n * @returns {boolean}\r\n */\r\nconst isObject = (o) => {\r\n  return (\r\n    (toString(o) === '[object Object]' ||\r\n      typeof o === 'object' ||\r\n      isFunction(o)) &&\r\n    o !== null\r\n  )\r\n}\r\n\r\nexport default isObject\r\n","import isString from './utils/types/isString'\r\nimport hasOwn from './utils/lang/hasOwn'\r\nimport isObject from './utils/types/isObject'\r\nimport extend from './utils/lang/extend'\r\n\r\nclass Base {\r\n  constructor(options) {\r\n    this.attrs = {}\r\n\r\n    if (options) {\r\n      this.initialize(options)\r\n    }\r\n  }\r\n\r\n  initialize(options) {\r\n    this.attr(options).render().addListeners()\r\n    return this\r\n  }\r\n\r\n  attr(prop, value) {\r\n    const attrs = this.attrs\r\n\r\n    if (isString(prop)) {\r\n      // 只能扩展 attrs 中已有的属性\r\n      if (value && hasOwn(attrs, prop)) {\r\n        // 更新单个配置信息\r\n        attrs[prop] = value\r\n        return this\r\n      }\r\n\r\n      // 只传递 prop 参数，则返回对应的属性值\r\n      return attrs[prop]\r\n    } else if (isObject(prop)) {\r\n      // 批量更新配置信息\r\n      extend(attrs, prop)\r\n\r\n      return this\r\n    } else if (arguments.length === 0) {\r\n      // 不传递参数，直接返回整个\r\n      return attrs\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  render() {\r\n    return this\r\n  }\r\n\r\n  destroy() {\r\n    this.removeListeners()\r\n    return this\r\n  }\r\n\r\n  reload(options) {\r\n    this.destroy().initialize(this.attr(options))\r\n    return this\r\n  }\r\n\r\n  addListeners() {\r\n    return this\r\n  }\r\n\r\n  removeListeners() {\r\n    return this\r\n  }\r\n}\r\n\r\nexport default Base\r\n","import hasOwn from './hasOwn'\r\n\r\n/**\r\n * 扩展对象\r\n * ========================================================================\r\n * @method extend\r\n * @param {Object} origin\r\n * @param {Object} source\r\n */\r\nconst extend = (origin, source) => {\r\n  const keys = Object.keys(source)\r\n\r\n  keys.forEach((prop) => {\r\n    if (hasOwn(source, prop)) {\r\n      origin[prop] = source[prop]\r\n    }\r\n  })\r\n}\r\n\r\nexport default extend\r\n","import isObject from './isObject'\r\n\r\n/**\r\n * 检测数据是否为 HTMLElement DOM 节点\r\n * ========================================================================\r\n * @method isElement\r\n * @param {*} o\r\n * @returns {boolean}\r\n */\r\nconst isElement = (o) => {\r\n  return !!(isObject(o) && o.nodeName && o.tagName && o.nodeType === 1)\r\n}\r\n\r\nexport default isElement\r\n","import isFunction from '../types/isFunction'\r\n\r\n/**\r\n * later - 延迟执行方法\r\n * ========================================================================\r\n * @method later\r\n * @param {Function} fn\r\n * @param {Number} [delay]\r\n * @returns {number|boolean}\r\n */\r\nconst later = (fn, delay = 300) => {\r\n  if (!isFunction(fn)) {\r\n    return false\r\n  }\r\n\r\n  return setTimeout(() => {\r\n    fn()\r\n  }, delay)\r\n}\r\n\r\nexport default later\r\n","/**\r\n * 返回给定值的平方值\r\n * ========================================================================\r\n * @method easeInQuad\r\n * @param {Number} x\r\n * @returns {number}\r\n */\r\nconst easeInQuad = (x) => {\r\n  return x * x\r\n}\r\n\r\nexport default easeInQuad\r\n","import isString from '../types/isString'\r\nimport isElement from '../types/isElement'\r\n\r\n/**\r\n * 通过给的 scrollElement 参数，获取滚动 DOM 元素\r\n * ========================================================================\r\n * @method _getScrollElement\r\n * @param {String|HTMLElement} scrollElement\r\n * @returns {Element}\r\n * @private\r\n */\r\nconst _getScrollElement = (scrollElement = null) => {\r\n  let $rootElements\r\n  let $scrollElement\r\n\r\n  if (!scrollElement) {\r\n    $rootElements = document.querySelectorAll('html,body')\r\n    $scrollElement =\r\n      $rootElements[0].scrollTop - $rootElements[1].scrollTop >= 0\r\n        ? $rootElements[0]\r\n        : $rootElements[1]\r\n  } else {\r\n    if (isString(scrollElement)) {\r\n      $scrollElement = document.querySelector(scrollElement)\r\n    } else if (isElement(scrollElement)) {\r\n      $scrollElement = scrollElement\r\n    }\r\n  }\r\n\r\n  return $scrollElement\r\n}\r\n\r\nexport default _getScrollElement\r\n","import easeInQuad from '../lang/easeInQuad'\r\nimport isFunction from '../types/isFunction'\r\nimport _getScrollElement from './_getScrollElement'\r\n\r\n/**\r\n * 指定 rootElement DOM 节点滚动到指定 top 位置\r\n * ========================================================================\r\n * @method scrollTo\r\n * @param {HTMLElement|Object} [scrollElement] - （必须）要滚动的 DOM 节点\r\n * @param {Number} top - （必须）滚动的 scrollTop 数值\r\n * @param {Function} [afterStop] - （可选）滚动完成的回调函数\r\n */\r\nconst scrollTo = (scrollElement, top, afterStop) => {\r\n  const $scrollElement = _getScrollElement(scrollElement)\r\n  let scrollTop = $scrollElement.scrollTop\r\n  let step = 0\r\n  const distance = top - scrollTop\r\n  const MAX_HEIGHT = $scrollElement.scrollHeight\r\n  const MAX_TOP = top - MAX_HEIGHT <= 0 ? top : MAX_HEIGHT\r\n  const stop = (top) => {\r\n    if (isFunction(afterStop)) {\r\n      afterStop(top)\r\n    }\r\n\r\n    return false\r\n  }\r\n  const play = () => {\r\n    step += 1\r\n\r\n    // 向上滚动\r\n    if (distance < 0) {\r\n      scrollTop -= easeInQuad(step)\r\n      $scrollElement.scrollTop = scrollTop\r\n\r\n      if (scrollTop <= top) {\r\n        $scrollElement.scrollTop = top\r\n        return stop(top)\r\n      }\r\n    } else {\r\n      scrollTop += easeInQuad(step)\r\n      $scrollElement.scrollTop = scrollTop\r\n\r\n      if (scrollTop >= MAX_TOP) {\r\n        $scrollElement.scrollTop = MAX_TOP\r\n        return stop(MAX_TOP)\r\n      }\r\n    }\r\n\r\n    requestAnimationFrame(play)\r\n  }\r\n\r\n  requestAnimationFrame(play)\r\n}\r\n\r\nexport default scrollTo\r\n","/**\r\n * 获取 DOM 节点相对于窗口的 left （纵坐标）值\r\n * ========================================================================\r\n * @method offsetTop\r\n * @param {HTMLElement} el - DOM 节点\r\n * @returns {Number}\r\n */\r\nconst offsetTop = (el) => {\r\n  let top = el.offsetTop\r\n\r\n  if (el.offsetParent !== null) {\r\n    top += offsetTop(el.offsetParent)\r\n  }\r\n\r\n  return top\r\n}\r\n\r\nexport default offsetTop\r\n","/**\r\n * 获取 options 节点下匹配 selector 选择器的 DOM 节点\r\n * ========================================================================\r\n * Element.matches() 方法可以用来判断 DOM 元素是否与给定的选择器匹配，事件代理判断是\r\n * 否触发绑定的代理事件回调函数，关键就是使用 Element.matches() 辨别当前事件触发的目\r\n * 标 DOM 元素是否为事件代理所期望触发的目标。\r\n * ========================================================================\r\n * @method matches\r\n * @see https://developer.mozilla.org/en-US/docs/web/api/element/matches\r\n * @param {HTMLElement} el - （必须）DOM 元素\r\n * @param {String} selector - （必须）匹配 DOM 元素的选择器\r\n * @returns {Boolean}\r\n */\r\nconst matches = (el, selector = '') => {\r\n  const sel = selector.replace(/^>/i, '')\r\n\r\n  if (!selector || !sel || !el) {\r\n    return false\r\n  }\r\n\r\n  /* istanbul ignore else */\r\n  if (el.matches) {\r\n    return el.matches(sel)\r\n  } else if (el.msMatchesSelector) {\r\n    return el.msMatchesSelector(sel)\r\n  } else {\r\n    return false\r\n  }\r\n}\r\n\r\nexport default matches\r\n","/**\r\n * 获取 DOM 元素的父节点\r\n * ========================================================================\r\n * @method getParentOrHost\r\n * @param {*|HTMLElement} el - （必须）要获取父节点的 DOM 元素\r\n * @returns {*|HTMLElement}\r\n */\r\nconst getParentOrHost = (el) => {\r\n  return el.host && el !== document && el.host.nodeType\r\n    ? el.host\r\n    : el.parentNode\r\n}\r\n\r\nexport default getParentOrHost\r\n","export const CAPTURE_EVENTS = [\r\n  'focusout',\r\n  'blur',\r\n  'focusin',\r\n  'focus',\r\n  'load',\r\n  'unload',\r\n  'mouseenter',\r\n  'mouseleave'\r\n]\r\n","import { CAPTURE_EVENTS } from './enum'\r\nimport _delete from './_delete'\r\n\r\n/**\r\n * （私有方法）取消 type 类型的代理事件绑定\r\n * ========================================================================\r\n * 如果没有设置 handler，则销毁 this.$options 绑定的所有符合 type 事件类型的事件绑定\r\n * ========================================================================\r\n * @method _off\r\n * @param {HTMLElement} el - （必须）取消事件绑定的 DOM 元素\r\n * @param {String} type - （必须）事件类型\r\n * @param {Function} fn - （必须）事件处理器回调函数\r\n * @private\r\n */\r\nconst _off = (el, type, fn) => {\r\n  const capture = CAPTURE_EVENTS.indexOf(type) > -1\r\n\r\n  /* istanbul ignore else */\r\n  if (fn._delegateListener) {\r\n    fn = fn._delegateListener\r\n    delete fn._delegateListener\r\n  }\r\n\r\n  // 移除缓存的 _listeners 数据\r\n  _delete(el, type, fn)\r\n\r\n  el.removeEventListener(type, fn, capture)\r\n}\r\n\r\nexport default _off\r\n","/**\r\n * 删除 DOM 元素缓存的 _listeners 数据\r\n * ========================================================================\r\n * @method _delete\r\n * @param {HTMLElement} el - 要删除 listener 的 DOM 元素\r\n * @param {String} type - 事件类型（名称）\r\n * @param {Function} [fn] - 事件处理器回调函数\r\n */\r\nconst _delete = function (el, type, fn) {\r\n  const listeners = el._listeners\r\n  let index = -1\r\n\r\n  if (listeners.length < 1) {\r\n    return false\r\n  }\r\n\r\n  // 移除缓存的 _listeners 数据\r\n  listeners.forEach((listener, i) => {\r\n    const handler = listener.fn\r\n\r\n    if (type === listener.type) {\r\n      index = i\r\n\r\n      if (handler === fn) {\r\n        index = i\r\n      }\r\n    }\r\n  })\r\n\r\n  /* istanbul ignore else */\r\n  if (index > -1) {\r\n    listeners.splice(index, 1)\r\n  }\r\n}\r\n\r\nexport default _delete\r\n","import isString from '../types/isString'\r\nimport isElement from '../types/isElement'\r\nimport getListeners from './getListeners'\r\nimport _off from './_off'\r\n\r\n/**\r\n * 销毁（type 类型的）代理事件绑定\r\n * ========================================================================\r\n * 1. 设置了事件类型 type，则销毁指定类型的事件绑定，否则清除所有代理事件绑定\r\n * 2. recurse 设置为 true，递归销毁子节点全部事件绑定\r\n * ========================================================================\r\n * @method purgeElement\r\n * @param {HTMLElement|String} el - （必须）DOM 元素或者其选择器\r\n * @param {String|Boolean} type - （必须）事件类型\r\n * @param {Boolean} [recurse] - （可选）是否递归销毁子节点所有事件绑定\r\n */\r\nconst purgeElement = function (el, type, recurse = false) {\r\n  const $element = isString(el) ? document.querySelector(el) : el\r\n  const $children = $element.childNodes\r\n  const listeners = getListeners($element, type)\r\n\r\n  listeners.forEach((listener) => {\r\n    _off($element, listener.type, listener.fn)\r\n  })\r\n\r\n  if (\r\n    (recurse || type === true || arguments.length === 1) &&\r\n    $element &&\r\n    $children\r\n  ) {\r\n    $children.forEach(($child) => {\r\n      if (isElement($child)) {\r\n        purgeElement($child, type, recurse)\r\n      }\r\n    })\r\n  }\r\n}\r\n\r\nexport default purgeElement\r\n","import isString from '../types/isString'\r\n\r\n/**\r\n * 获取 DOM 元素（type 事件类型）事件绑定信息\r\n * ========================================================================\r\n * 如果设置了事件类型 type， 则返回指定类型的事件绑定信息，否则返回所有事件绑定信息\r\n * ========================================================================\r\n * @methods getListeners\r\n * @param {HTMLElement} el - （必须）要获取事件绑定信息的 DOM 元素\r\n * @param {String} [type] - （可选）事件类型\r\n * @returns {Array} - 已绑定的事件信息\r\n */\r\nconst getListeners = (el, type) => {\r\n  let listeners = el._listeners || []\r\n\r\n  if (isString(type) && type) {\r\n    listeners = listeners.filter((listener) => {\r\n      return listener.type === type\r\n    })\r\n  }\r\n\r\n  return listeners\r\n}\r\n\r\nexport default getListeners\r\n","import purgeElement from './purgeElement'\r\nimport isFunction from '../types/isFunction'\r\nimport _off from './_off'\r\n\r\n/**\r\n * 取消 type 类型的代理事件绑定\r\n * ========================================================================\r\n * 如果没有设置 handler，则销毁 this.$options 绑定的所有符合 type 事件类型的事件绑定\r\n * ========================================================================\r\n * @method off\r\n * @param {HTMLElement} el - （必须）取消事件绑定的 DOM 元素\r\n * @param {String} type - （必须）事件类型\r\n * @param {Function} [fn] - （可选）事件处理器回调函数\r\n */\r\nconst off = (el, type, fn) => {\r\n  // 如果不设置 fn 参数，默认清除 el 元素上绑定的所有事件处理器\r\n  if (!isFunction(fn)) {\r\n    return purgeElement(el, type)\r\n  }\r\n\r\n  _off(el, type, fn)\r\n}\r\n\r\nexport default off\r\n","import closest from '../dom/closest'\r\nimport off from './off'\r\nimport getTarget from './getTarget'\r\n\r\nimport { CAPTURE_EVENTS } from './enum'\r\n\r\n/**\r\n * 绑定代理事件\r\n * ========================================================================\r\n * @method on\r\n * @param {HTMLElement|String|Object} el - （必须）绑定代理事件的 DOM 节点\r\n * @param {String} selector - （必须）事件代理目标 DOM 元素的选择器\r\n * @param {String|Function} type - （必须）事件类型或者事件处理器回调函数\r\n * @param {Function|Object} fn - （可选） 事件处理器回调函数或者传递给事件处理器回调函数的数据对象\r\n * @param {Object|Boolean} [data] - （可选）传递给事件处理器回调函数的数据对象或者事件处理器回调函数的 this 上下文指向，\r\n * @param {Object|Boolean} [context] - （可选）事件处理器回调函数的 this 上下文指向，或者是否仅触发一次\r\n * 当设置为 true 时，则事件处理器回调函数的 this 上下文指向为 data 对象\r\n * @param {Boolean} once - （可选）是否仅触发一次\r\n */\r\nconst on = (el, selector, type, fn, data, context, once = false) => {\r\n  // CAPTURE_EVENTS 中的特殊事件，采用事件捕获模型\r\n  const capture = CAPTURE_EVENTS.indexOf(type) > -1\r\n\r\n  const listener = function (evt) {\r\n    const target = getTarget(evt)\r\n    // 通过 Element.matches 方法获得点击的目标元素\r\n    const delegateTarget = closest(target, selector, el)\r\n    let overrideContext = context || el\r\n\r\n    evt.delegateTarget = delegateTarget\r\n\r\n    // 当设置为 true 时，则事件处理器回调函数的\r\n    // this 上下文指向为 data 对象\r\n    if (context === true) {\r\n      overrideContext = data\r\n    }\r\n\r\n    /* istanbul ignore else */\r\n    if (delegateTarget) {\r\n      // 仅触发一次\r\n      /* istanbul ignore else */\r\n      if (once === true) {\r\n        off(el, type, listener)\r\n      }\r\n\r\n      fn.call(overrideContext, evt, data)\r\n    }\r\n  }\r\n\r\n  if (!el._listeners) {\r\n    el._listeners = []\r\n  }\r\n\r\n  // 缓存 options 元素绑定的事件处理器\r\n  el._listeners.push({\r\n    el,\r\n    selector,\r\n    type,\r\n    fn: listener,\r\n    data,\r\n    context,\r\n    capture\r\n  })\r\n\r\n  // 缓存包装后的事件处理器\r\n  fn._delegateListener = listener\r\n\r\n  el.addEventListener(type, listener, capture)\r\n}\r\n\r\nexport default on\r\n","import resolveTextNode from '../dom/resolveTextNode'\r\n\r\n/**\r\n * 返回触发事件的 target DOM 元素\r\n * ========================================================================\r\n * @method getTarget\r\n * @param {Event} evt - Event 对象\r\n * @return {HTMLElement} - Event 对象的 target DOM 元素\r\n */\r\nconst getTarget = function (evt) {\r\n  const target = evt.target\r\n\r\n  return resolveTextNode(target)\r\n}\r\n\r\nexport default getTarget\r\n","/**\r\n * 在某些情况下，某些浏览器（例如：Safari 浏览器）会返回实际的目标元素内部的文本节点。\r\n * resolveTextNode() 方法则会返回实际的目标节点。\r\n * ========================================================================\r\n * @method resolveTextNode\r\n * @param {HTMLElement|Text} el - 要解析的节点\r\n * @return {*|HTMLElement} - 实际的目标 DOM 节点\r\n */\r\nconst resolveTextNode = function (el) {\r\n  if (el && el.nodeType === 3) {\r\n    return el.parentNode\r\n  }\r\n\r\n  return el\r\n}\r\n\r\nexport default resolveTextNode\r\n","import matches from './matches'\r\nimport getParentOrHost from './getParentOrHost'\r\n\r\n/**\r\n * 获取 options 元素父元素最近的包含 selector 选择器的元素\r\n * ========================================================================\r\n * @method closest\r\n * @param {HTMLElement} el - （必须）DOM 元素\r\n * @param {String} selector - （必须）DOM 元素的选择其\r\n * @param {HTMLElement} [ctx] - （必须）比对的 DOM 元素\r\n * @param {Boolean} [includeCTX] - （必须）是否包含 context DOM 元素\r\n * @returns {null|HTMLElement} - 返回最接近的 DOM 元素\r\n */\r\nconst closest = (el, selector, ctx, includeCTX) => {\r\n  const context = ctx || document\r\n\r\n  if (!el) {\r\n    return null\r\n  }\r\n\r\n  do {\r\n    /* istanbul ignore else */\r\n    if (\r\n      (selector != null &&\r\n        (selector[0] === '>'\r\n          ? el.parentNode === context && matches(el, selector)\r\n          : matches(el, selector))) ||\r\n      (includeCTX && el === context)\r\n    ) {\r\n      return el\r\n    }\r\n\r\n    /* istanbul ignore else */\r\n    if (el === context) {\r\n      break\r\n    }\r\n\r\n    /* jshint boss:true */\r\n  } while ((el = getParentOrHost(el)))\r\n}\r\n\r\nexport default closest\r\n","/**\r\n * 停止事件（阻止默认行为和阻止事件的捕获或冒泡）\r\n * ========================================================================\r\n * @method stop\r\n * @param {Event} evt - 事件对象\r\n *\r\n * @example\r\n * 
\r\n *   Service\r\n *   Help\r\n * 
\r\n *\r\n * const $nav = document.querySelector('#nav')\r\n * const $service = document.querySelector('.anchor')\r\n *\r\n * on($nav, 'click', function(evt) {\r\n *   console.log('你点击了导航栏')\r\n * })\r\n *\r\n * on($anchor, 'click', function(evt) {\r\n *   console.log('tagName', this.tagName)\r\n *\r\n *   // 工作台输出：'a'\r\n *   // 不会触发事件冒泡，输出：'你点击了导航栏'\r\n *   // 也不会切换到 href 属性的页面，阻止了点击链接的默认行为\r\n *   stopEvent(evt)\r\n * })\r\n */\r\nconst stop = function (evt) {\r\n  evt.stopPropagation()\r\n  evt.preventDefault()\r\n}\r\n\r\nexport default stop\r\n","/**\r\n * 存储订阅者（主题和处理器的）私有对象\r\n * ========================================================================\r\n * @type {{}}\r\n * @private\r\n */\r\nconst _subscribers = {}\r\n\r\nexport default _subscribers\r\n","import _subscribers from './_subscribers'\r\nimport hasOwn from '../lang/hasOwn'\r\n\r\n/**\r\n * 判断是否存在与给定 topic 完全匹配的订阅者信息\r\n * ========================================================================\r\n * @method _hasDirectSubscribersFor\r\n * @param {String} topic - （必须）订阅主题字符串\r\n * @returns {Boolean}\r\n */\r\nconst _hasDirectSubscribersFor = (topic) => {\r\n  return hasOwn(_subscribers, topic) && _subscribers[topic].length > 0\r\n}\r\n\r\nexport default _hasDirectSubscribersFor\r\n","import _hasDirectSubscribersFor from './_hasDirectSubscribersFor'\r\nimport _hasSubscribers from './_hasSubscribers'\r\n\r\n/**\r\n * 判断是否存在包含 topic 指定的订阅者信息\r\n * ========================================================================\r\n * @method has\r\n * @param {String} topic - （必须）主题名称\r\n * @param {Boolean} [isDirect] - （可选）是否为直接的主题，默认值：true\r\n * @returns {Boolean}\r\n */\r\nconst has = (topic, isDirect = true) => {\r\n  return isDirect ? _hasDirectSubscribersFor(topic) : _hasSubscribers(topic)\r\n}\r\n\r\nexport default has\r\n","import _hasDirectSubscribersFor from './_hasDirectSubscribersFor'\r\n\r\n/**\r\n * 判断是否存在包含给定 topic 相关的订阅者信息\r\n * ========================================================================\r\n * @method _hasSubscribers\r\n * @param {String} topic - （必须）订阅主题字符串\r\n * @returns {Boolean}\r\n */\r\nconst _hasSubscribers = (topic) => {\r\n  let found = _hasDirectSubscribersFor(topic)\r\n  let position = topic.lastIndexOf('.')\r\n\r\n  while (!found && position !== -1) {\r\n    topic = topic.substring(0, position)\r\n    position = topic.lastIndexOf('.')\r\n    found = _hasDirectSubscribersFor(topic)\r\n  }\r\n\r\n  return found\r\n}\r\n\r\nexport default _hasSubscribers\r\n","import isTypedArray from '../types/isTypedArray'\r\nimport _subscribers from './_subscribers'\r\nimport has from './has'\r\nimport _hasDirectSubscribersFor from './_hasDirectSubscribersFor'\r\n\r\n/**\r\n * （异步）发布订阅主题信息\r\n * ========================================================================\r\n * 主题默认是异步发布的。确保在消费者处理主题时，主题的发起者不会被阻止。\r\n * ========================================================================\r\n * @method emit\r\n * @param {String} topic - （必须）主题名称\r\n * @param {Object} data - （必须）数据对象\r\n * @param {Boolean} async - (可选) 是否异步发布\r\n */\r\nconst emit = (topic, data, async = true) => {\r\n  const execute = (topic) => {\r\n    if (!_hasDirectSubscribersFor(topic)) {\r\n      return false\r\n    }\r\n\r\n    _subscribers[topic].forEach((subscriber) => {\r\n      // 针对 mqtt 消息服务返回的 Uint8Array 类似的 typed arrays 格式的数据\r\n      // 采用 toString() 方法转化为普通（JSON）字符串\r\n      const message = isTypedArray(data) ? data.toString() : data\r\n\r\n      subscriber.callback.call(subscriber.context || subscriber, message)\r\n    })\r\n  }\r\n  const deliver = () => {\r\n    let subscriber = topic\r\n    let position = topic.lastIndexOf('.')\r\n\r\n    while (position !== -1) {\r\n      subscriber = subscriber.substring(0, position)\r\n      position = subscriber.lastIndexOf('.')\r\n\r\n      execute(subscriber)\r\n    }\r\n\r\n    // 执行 topic 对应的处理器\r\n    execute(topic)\r\n    // 执行特殊 topic：'*'（监听全部消息的发布）\r\n    execute('*')\r\n  }\r\n\r\n  if (!has(topic)) {\r\n    return false\r\n  }\r\n\r\n  if (async) {\r\n    setTimeout(deliver, 10)\r\n  } else {\r\n    deliver()\r\n  }\r\n}\r\n\r\nexport default emit\r\n","import toString from '../lang/toString'\r\n/**\r\n * 判断检测数据是否为 Typed Arrays 类型的数据\r\n * ========================================================================\r\n * @param {*} val\r\n * @returns {boolean}\r\n */\r\nconst isTypedArray = (val) => {\r\n  const TYPES = [\r\n    '[object Int8Array]',\r\n    '[object Uint8Array]',\r\n    '[object Uint8ClampedArray]',\r\n    '[object Int16Array]',\r\n    '[object Uint16Array]',\r\n    '[object Int32Array]',\r\n    '[object Uint32Array]',\r\n    '[object Float32Array]',\r\n    '[object Float64Array]',\r\n    '[object BigInt64Array]',\r\n    '[object BigUint64Array]'\r\n  ]\r\n\r\n  return TYPES.indexOf(toString(val)) > -1\r\n}\r\n\r\nexport default isTypedArray\r\n","import toString from '../lang/toString'\r\n\r\n/**\r\n * 检测数据是否为 Array 类型\r\n * ========================================================================\r\n * @method isArray\r\n * @param {*} o\r\n * @returns {boolean}\r\n */\r\nconst isArray = (o) => {\r\n  if (Array.isArray) {\r\n    return Array.isArray(o)\r\n  } else {\r\n    return toString(o) === '[object Array]'\r\n  }\r\n}\r\n\r\nexport default isArray\r\n","import isArray from './types/isArray'\r\n\r\n/**\r\n * 绘制 SVG Sprites 图标集\r\n * ========================================================================\r\n * @method paintSvgSprites\r\n * @param {Array} [symbols] - （可选）symbols 图标数组\r\n *                             传递 symbols - 绘制 symbols + SYMBOLS 的图标集\r\n *                             不传递 symbols - 仅绘制默认 SYMBOLS 图标集\r\n */\r\nexport const paintSvgSprites = (symbols = []) => {\r\n  const SYMBOLS = [\r\n    '',\r\n    '',\r\n    '',\r\n    '',\r\n    '',\r\n    '',\r\n    '',\r\n    ''\r\n  ]\r\n  const sprites =\r\n    isArray(symbols) && symbols.length > 0 ? SYMBOLS.concat(symbols) : SYMBOLS\r\n  const $body = document.body\r\n  let $icons = document.querySelector('#svg-sprites')\r\n\r\n  if ($icons) {\r\n    $icons.innerHTML = sprites.join('')\r\n  } else {\r\n    $icons = document.createElement('div')\r\n    $icons.innerHTML =\r\n      ``\r\n    $body.insertBefore($icons.firstChild, $body.firstChild)\r\n  }\r\n}\r\n\r\n/**\r\n * 创建 SVG 图标 DOM 元素\r\n * ========================================================================\r\n * @method createSvgIcon\r\n * @param {String} name\r\n * @param {Number|String|Array} [size]\r\n * @param {String} [color]\r\n * @param {String} [iconSet]\r\n * @returns {HTMLElement}\r\n */\r\nexport const createSvgIcon = (\r\n  name,\r\n  size = 0,\r\n  color = '',\r\n  iconSet = 'outline'\r\n) => {\r\n  const binds = iconSet\r\n    ? `xlink:href=\"#${iconSet}-icon-${name}\"`\r\n    : `xlink:href=\"#icon-${name}\"`\r\n  const width = isArray(size) ? size[0] : size\r\n  const height = isArray(size) ? size[1] : size\r\n  const defaultRules = size ? `width:${width}px;height:${height}px;` : ''\r\n  const cssRules = color ? defaultRules + `color:${color}` : defaultRules\r\n  const svg =\r\n    `` +\r\n    `` +\r\n    ``\r\n  const $icon = document.createElement('i')\r\n\r\n  $icon.className = 'outline-icon'\r\n  $icon.innerHTML = svg\r\n\r\n  return $icon\r\n}\r\n","import isString from '../types/isString'\r\n\r\n/**\r\n * 清楚字符串起始位置所有的空格\r\n * ========================================================================\r\n * @method trim\r\n * @param {string} str\r\n * @returns {string|Boolean}\r\n */\r\nconst trim = (str) => {\r\n  if (!isString(str)) {\r\n    return false\r\n  }\r\n  return str.replace(/^\\s+|\\s+$/g, '')\r\n}\r\n\r\nexport default trim\r\n","import isObject from './isObject'\r\nimport isElement from './isElement'\r\nimport isHTMLCollection from './isHTMLCollection'\r\nimport isFragment from './isFragment'\r\nimport isTextNode from './isTextNode'\r\n\r\nconst isDOM = (el) => {\r\n  return !!(\r\n    isObject(el) &&\r\n    (isElement(el) || isHTMLCollection(el) || isFragment(el) || isTextNode(el))\r\n  )\r\n}\r\n\r\nexport default isDOM\r\n","import toString from '../lang/toString'\r\nimport isObject from './isObject'\r\n\r\nconst isHTMLCollection = (el) => {\r\n  return !!(isObject(el) && toString(el) === '[object NodeList]')\r\n}\r\n\r\nexport default isHTMLCollection\r\n","import toString from '../lang/toString'\r\nimport isObject from './isObject'\r\n\r\nconst isFragment = (fragment) => {\r\n  return !!(\r\n    isObject(fragment) && toString(fragment) === '[object DocumentFragment]'\r\n  )\r\n}\r\n\r\nexport default isFragment\r\n","import toString from '../lang/toString'\r\nimport isObject from './isObject'\r\n\r\nconst isTextNode = (el) => {\r\n  return !!(\r\n    isObject(el) &&\r\n    (toString(el) === '[object Text]' || (el.tagName && el.nodeType === 3))\r\n  )\r\n}\r\n\r\nexport default isTextNode\r\n","/**\r\n * 给 DOM 节点设置属性/值\r\n * ========================================================================\r\n * @method setAttribute\r\n * @param {HTMLElement} el - DOM 节点\r\n * @param {String} attr - 属性名称\r\n * @param {String|Number|Boolean} value - 属性值\r\n */\r\nconst setAttribute = (el, attr, value) => {\r\n  let tagName = el.tagName.toLowerCase()\r\n\r\n  switch (attr) {\r\n    case 'style':\r\n      el.style.cssText = value\r\n      break\r\n    case 'value':\r\n      if (tagName === 'input' || tagName === 'textarea') {\r\n        el.value = value\r\n      } else {\r\n        el.setAttribute(attr, value)\r\n      }\r\n      break\r\n    case 'className':\r\n      el.className = value\r\n      break\r\n    default:\r\n      el.setAttribute(attr, value)\r\n      break\r\n  }\r\n}\r\n\r\nexport default setAttribute\r\n","import hasOwn from '../lang/hasOwn'\r\nimport isObject from '../types/isObject'\r\nimport isString from '../types/isString'\r\nimport isArray from '../types/isArray'\r\nimport isDOM from '../types/isDOM'\r\nimport setAttribute from './setAttribute'\r\n\r\n/**\r\n * 创建 DOM 节点，并添加属性和子节点\r\n * ========================================================================\r\n * @method createElement\r\n * @param {String} tagName - 标签名称\r\n * @param {Object|Array} attrs - 属性对象或者子节点\r\n * @param {Array} [children] - 子节点数组\r\n * @returns {HTMLElement}\r\n */\r\nconst createElement = (tagName, attrs, children) => {\r\n  const $fragment = document.createDocumentFragment()\r\n  const $el = document.createElement(tagName)\r\n  const isValidChild = (child) => {\r\n    return isDOM(child) || isString(child)\r\n  }\r\n  const append = (child) => {\r\n    let $child\r\n\r\n    if (!isValidChild(child)) {\r\n      return false\r\n    }\r\n\r\n    if (isDOM(child)) {\r\n      $child = child\r\n    } else if (isString(child)) {\r\n      $child = document.createTextNode(child)\r\n    }\r\n\r\n    $fragment.appendChild($child)\r\n  }\r\n\r\n  if (isObject(attrs)) {\r\n    Object.keys(attrs).forEach((attr) => {\r\n      if (hasOwn(attrs, attr)) {\r\n        setAttribute($el, attr, attrs[attr])\r\n      }\r\n    })\r\n  } else if (isArray(attrs) && attrs.every((attr) => isValidChild(attr))) {\r\n    attrs.forEach((child) => {\r\n      append(child)\r\n    })\r\n  }\r\n\r\n  if (isArray(children)) {\r\n    children.forEach((child) => {\r\n      append(child)\r\n    })\r\n  } else {\r\n    append(children)\r\n  }\r\n\r\n  $el.appendChild($fragment)\r\n\r\n  return $el\r\n}\r\n\r\nexport default createElement\r\n","import isElement from '../types/isElement'\r\n/**\r\n * 检测 DOM 节点是否包含名为 className 的样式\r\n * ========================================================================\r\n * @method hasClass\r\n * @param {HTMLElement} el - DOM 节点\r\n * @param {String} className - 样式名称\r\n * @returns {Boolean}\r\n */\r\nconst hasClass = (el, className) => {\r\n  const pattern = new RegExp('(\\\\s|^)' + className + '(\\\\s|$)')\r\n  let allClass\r\n  let classList\r\n\r\n  if (!isElement(el)) {\r\n    return false\r\n  }\r\n\r\n  allClass = el.className\r\n\r\n  if (!allClass) {\r\n    return false\r\n  }\r\n\r\n  classList = el.classList\r\n\r\n  if (classList?.contains) {\r\n    return el.classList.contains(className)\r\n  }\r\n\r\n  return !!allClass.match(pattern)\r\n}\r\n\r\nexport default hasClass\r\n","import trim from '../lang/trim'\r\nimport hasClass from './hasClass'\r\n\r\n/**\r\n * 移除 DOM 节点的 className 样式\r\n * ========================================================================\r\n * @method removeClass\r\n * @param {HTMLElement} el - DOM 节点\r\n * @param {String} className - 样式名称\r\n * @returns {Boolean}\r\n */\r\nconst removeClass = (el, className) => {\r\n  let allClass = el.className\r\n  let classList\r\n\r\n  if (!allClass || !hasClass(el, className)) {\r\n    return false\r\n  }\r\n\r\n  classList = el.classList\r\n\r\n  if (classList?.remove) {\r\n    classList.remove(className)\r\n  } else {\r\n    allClass = trim(allClass.replace(className, ''))\r\n    el.className = allClass\r\n  }\r\n}\r\n\r\nexport default removeClass\r\n","import removeClass from './utils/dom/removeClass'\r\nimport isEmpty from './utils/types/isEmpty'\r\nimport trim from './utils/lang/trim'\r\n\r\nconst _resetHeading = ($heading, hasAnchor = true, isAtStart = true) => {\r\n  const CLS_HEADING = 'outline-heading'\r\n  const text = $heading.innerHTML\r\n  let $anchor\r\n\r\n  $heading.innerHTML = text.replace(/^\\d+(?:(\\.?\\d*)*\\s?)?/gi, '')\r\n  $heading.removeAttribute('id')\r\n  $heading.removeAttribute('data-id')\r\n\r\n  removeClass($heading, CLS_HEADING)\r\n\r\n  if (!hasAnchor) {\r\n    return false\r\n  }\r\n\r\n  $anchor = $heading.querySelector(`.${CLS_HEADING}__anchor`)\r\n\r\n  if (isAtStart) {\r\n    removeClass($heading, `${CLS_HEADING}_start`)\r\n  }\r\n\r\n  if (isEmpty(trim($heading.className))) {\r\n    $heading.removeAttribute('class')\r\n  }\r\n\r\n  $heading.removeChild($anchor)\r\n}\r\n\r\nexport default _resetHeading\r\n","import isString from './isString'\r\n/**\r\n * 检测数据是否为空字符串\r\n * ========================================================================\r\n * @method isEmpty\r\n * @param {String} str\r\n * @returns {boolean}\r\n */\r\nconst isEmpty = (str) => {\r\n  return isString(str) && str === ''\r\n}\r\n\r\nexport default isEmpty\r\n","import trim from './utils/lang/trim'\r\nimport stripTags from './utils/lang/stripTags'\r\n\r\nimport _getChaptersWithCode from './_getChaptersWithCode'\r\nimport _getChapterParentIdByDiffer from './_getChapterParentIdByDiffer'\r\n\r\nconst getChapters = (headings, showCode = true) => {\r\n  const chapters = []\r\n  let previous = 1\r\n  let level = 0\r\n\r\n  headings.forEach((heading, i) => {\r\n    const headingLevel = heading.tagName.replace(/h/i, '')\r\n    let current = parseInt(headingLevel, 10)\r\n    let pid = -1\r\n\r\n    // 当前标题的（标题标签）序号 > 前一个标题的序号：两个相连的标题是父标题 -> 子标题关系；\r\n    // h2 （前一个标题）\r\n    // h3 （当前标题）\r\n    if (current > previous) {\r\n      level += 1\r\n\r\n      // 第一层级的 pid 是 -1\r\n      if (level === 1) {\r\n        pid = -1\r\n      } else {\r\n        pid = i - 1\r\n      }\r\n    }\r\n    // 当前标题的（标题标签）序号 = 前一个标题的序号\r\n    // h2 （前一个标题）\r\n    // h2 （当前标题）\r\n    // 当前标题的（标题标签）序号 < 前一个标题的序号，并且当前标题序号 > 当前的级别\r\n    // h2\r\n    // h4 （前一个标题）\r\n    // h3 （当前标题：这种情况我们还是任务 h3 是 h2 的下一级章节）\r\n    else if (current === previous || (current < previous && current > level)) {\r\n      // H1 的层级肯定是 1\r\n      if (current === 1) {\r\n        level = 1\r\n        pid = -1\r\n      } else {\r\n        pid = chapters[i - 1].pid\r\n      }\r\n    } else if (current <= level) {\r\n      // H1 的层级肯定是 1\r\n      if (current === 1) {\r\n        level = 1\r\n      } else {\r\n        level = level - (previous - current)\r\n\r\n        if (level <= 1) {\r\n          level = 1\r\n        }\r\n      }\r\n\r\n      // 第一级的标题\r\n      if (level === 1) {\r\n        pid = -1\r\n      } else {\r\n        // 通过当前标题和前一个标题之间的等级差，获得当前标题的父标题ID\r\n        pid = _getChapterParentIdByDiffer(chapters, previous - current, i)\r\n      }\r\n    }\r\n\r\n    previous = current\r\n\r\n    chapters.push({\r\n      id: i,\r\n      pid: pid,\r\n      level: level,\r\n      rel: `heading-${i}`,\r\n      text: stripTags(trim(heading.innerHTML))\r\n    })\r\n  })\r\n\r\n  return showCode ? _getChaptersWithCode(chapters) : chapters\r\n}\r\n\r\nexport default getChapters\r\n","import isString from '../types/isString'\r\n\r\n/**\r\n * 过滤所有 HTML 标签\r\n * ========================================================================\r\n * @method stripTags\r\n * @param {string} str\r\n * @returns {string}\r\n */\r\nconst stripTags = (str) => {\r\n  if (!isString(str)) {\r\n    return ''\r\n  }\r\n  return str.replace(/<\\/?[^>]+(>|$)/g, '')\r\n}\r\n\r\nexport default stripTags\r\n","const _getChapterParentIdByDiffer = (chapters, differ, index) => {\r\n  let previous = chapters[index - 1]\r\n  let pid\r\n  let i\r\n\r\n  for (i = 0; i < differ; i += 1) {\r\n    pid = previous.pid\r\n    previous = chapters[pid]\r\n  }\r\n\r\n  pid = previous.pid\r\n\r\n  return pid\r\n}\r\n\r\nexport default _getChapterParentIdByDiffer\r\n","const _getChaptersWithCode = (chapters) => {\r\n  const groups = {}\r\n  const cb = (o) => {\r\n    return [o.pid]\r\n  }\r\n\r\n  chapters.forEach((o) => {\r\n    const group = JSON.stringify(cb(o))\r\n\r\n    groups[group] = groups[group] || []\r\n    groups[group].push(o)\r\n\r\n    o.index = groups[group].length\r\n    if (o.pid === -1) {\r\n      o.code = String(o.index)\r\n    }\r\n  })\r\n\r\n  Object.keys(groups).forEach((group) => {\r\n    groups[group].forEach((c, i) => {\r\n      c.index = i + 1\r\n      chapters.forEach((o) => {\r\n        if (o.pid === c.id) {\r\n          o.code = c.code + '.' + o.index\r\n        }\r\n      })\r\n    })\r\n  })\r\n\r\n  return chapters\r\n}\r\n\r\nexport default _getChaptersWithCode\r\n","import Base from './base'\r\n\r\n// 在文章的标题生成 anchor 链接\r\nimport isString from './utils/types/isString'\r\nimport isFunction from './utils/types/isFunction'\r\nimport isElement from './utils/types/isElement'\r\nimport toTree from './utils/lang/toTree'\r\nimport later from './utils/lang/later'\r\nimport scrollTo from './utils/dom/scrollTo'\r\nimport _getScrollElement from './utils/dom/_getScrollElement'\r\nimport offsetTop from './utils/dom/offsetTop'\r\nimport on from './utils/event/on'\r\nimport off from './utils/event/off'\r\nimport stop from './utils/event/stop'\r\nimport publish from './utils/observer/emit'\r\nimport { paintSvgSprites } from './utils/icons'\r\n\r\nimport _updateHeading from './_updateHeading'\r\nimport _resetHeading from './_resetHeading'\r\nimport getChapters from './getChapters'\r\n\r\nclass Anchors extends Base {\r\n  constructor(options) {\r\n    super()\r\n\r\n    this.attrs = Anchors.DEFAULTS\r\n    this.$articleElement = null\r\n    this.$scrollElement = null\r\n    this.$headings = []\r\n\r\n    this.chapters = []\r\n\r\n    if (options) {\r\n      this.initialize(options)\r\n    }\r\n  }\r\n\r\n  initialize(options) {\r\n    let created\r\n    let scrollElement\r\n    let selector\r\n    let $articleElement\r\n    let articleElement\r\n\r\n    this.attr(options)\r\n    articleElement = this.attr('articleElement')\r\n    scrollElement = this.attr('scrollElement')\r\n    selector = this.attr('selector')\r\n    created = this.attr('created')\r\n\r\n    if (isString(articleElement)) {\r\n      $articleElement = document.querySelector(articleElement)\r\n    } else if (isElement(articleElement)) {\r\n      $articleElement = articleElement\r\n    }\r\n\r\n    if (!$articleElement) {\r\n      return this\r\n    }\r\n\r\n    this.$articleElement = $articleElement\r\n    this.$scrollElement = _getScrollElement(scrollElement)\r\n    this.$headings = [...$articleElement.querySelectorAll(selector)]\r\n\r\n    if (this.$headings.length < 1) {\r\n      return this\r\n    }\r\n\r\n    this.chapters = getChapters(this.$headings)\r\n\r\n    if (isFunction(created)) {\r\n      created.call(this)\r\n    }\r\n\r\n    this.render().addListeners()\r\n\r\n    return this\r\n  }\r\n\r\n  getChapters(isTreeStructured = false) {\r\n    const chapters = this.chapters\r\n    return isTreeStructured ? toTree(chapters, 'id', 'pid') : chapters\r\n  }\r\n\r\n  count() {\r\n    return this.chapters.length\r\n  }\r\n\r\n  render() {\r\n    const mounted = this.attr('mounted')\r\n    const hasAnchor = this.attr('hasAnchor')\r\n    const isAtStart = this.attr('isAtStart')\r\n    const showCode = this.attr('showCode')\r\n    const anchorURL = this.attr('anchorURL')\r\n    const $headings = this.$headings\r\n    const chapters = this.getChapters()\r\n\r\n    paintSvgSprites()\r\n\r\n    $headings.forEach(($heading, i) => {\r\n      const chapterCode = chapters[i].code\r\n      _updateHeading($heading, i, {\r\n        hasAnchor,\r\n        isAtStart,\r\n        showCode,\r\n        chapterCode,\r\n        anchorURL\r\n      })\r\n    })\r\n\r\n    if (isFunction(mounted)) {\r\n      mounted.call(this)\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  scrollTo(top, after) {\r\n    const el = this.$scrollElement\r\n\r\n    scrollTo(el, top, after)\r\n\r\n    return this\r\n  }\r\n\r\n  destroy() {\r\n    const hasAnchor = this.attr('hasAnchor')\r\n    const isAtStart = this.attr('isAtStart')\r\n    const beforeDestroy = this.attr('beforeDestroy')\r\n    const afterDestroy = this.attr('afterDestroy')\r\n    const $headings = this.$headings\r\n\r\n    if (isFunction(beforeDestroy)) {\r\n      beforeDestroy.call(this)\r\n    }\r\n\r\n    this.removeListeners()\r\n    $headings.forEach(($heading) => {\r\n      _resetHeading($heading, hasAnchor, isAtStart)\r\n    })\r\n\r\n    this.attr(Anchors.DEFAULTS)\r\n    this.$articleElement = null\r\n    this.$scrollElement = null\r\n    this.$headings = []\r\n    this.chapters = []\r\n\r\n    if (isFunction(afterDestroy)) {\r\n      afterDestroy.call(this)\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  onAnchorTrigger(evt) {\r\n    const anchorURL = this.attr('anchorURL')\r\n    const afterScroll = this.attr('afterScroll')\r\n    const stickyHeight = this.attr('stickyHeight')\r\n    const $anchor = evt.delegateTarget\r\n    const $heading = $anchor.parentNode\r\n    const top = offsetTop($heading) - (stickyHeight + 10)\r\n    const $scrollElement = this.$scrollElement\r\n    const min = 0\r\n    const max = $scrollElement.scrollHeight - $scrollElement.clientHeight\r\n    const after = () => {\r\n      if (isFunction(afterScroll)) {\r\n        afterScroll.call(this, 'anchor')\r\n      }\r\n\r\n      later(() => {\r\n        publish('toolbar:update', {\r\n          top,\r\n          min,\r\n          max\r\n        })\r\n      })\r\n    }\r\n\r\n    this.scrollTo(top, after)\r\n\r\n    if (!anchorURL) {\r\n      stop(evt)\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  addListeners() {\r\n    const $articleElement = this.$articleElement\r\n\r\n    on(\r\n      $articleElement,\r\n      '.outline-heading__anchor',\r\n      'click',\r\n      this.onAnchorTrigger,\r\n      this,\r\n      true\r\n    )\r\n\r\n    return this\r\n  }\r\n\r\n  removeListeners() {\r\n    const $articleElement = this.$articleElement\r\n\r\n    off($articleElement, 'click', this.onAnchorTrigger)\r\n\r\n    return this\r\n  }\r\n}\r\n\r\nAnchors.DEFAULTS = {\r\n  scrollElement: 'html,body',\r\n  articleElement: '#article',\r\n  selector: 'h1,h2,h3,h4,h5,h6',\r\n  stickyHeight: 0,\r\n  anchorURL: '',\r\n  hasAnchor: true,\r\n  isAtStart: true,\r\n  showCode: false,\r\n  created: null,\r\n  mounted: null,\r\n  afterScroll: null,\r\n  beforeDestroy: null,\r\n  afterDestroy: null\r\n}\r\n\r\nexport default Anchors\r\n","const toTree = (list, nodeKey, parentKey) => {\r\n  const map = {}\r\n  const roots = []\r\n\r\n  list.forEach((item, i) => {\r\n    // initialize the map\r\n    map[item[nodeKey]] = i\r\n    // initialize the children\r\n    item.children = []\r\n  })\r\n\r\n  list.forEach((item) => {\r\n    const node = list[map[item[parentKey]]]\r\n\r\n    if (item[parentKey] !== -1) {\r\n      // if you have dangling branches check that map[node.parentId] exists\r\n      node.children.push(item)\r\n    } else {\r\n      roots.push(item)\r\n    }\r\n  })\r\n\r\n  return roots\r\n}\r\n\r\nexport default toTree\r\n","import trim from './utils/lang/trim'\r\nimport createElement from './utils/dom/createElement'\r\nimport setAttribute from './utils/dom/setAttribute'\r\n\r\nimport { createSvgIcon } from './utils/icons'\r\n\r\nconst _updateHeading = ($heading, i, options) => {\r\n  const CLS_HEADING = 'outline-heading'\r\n  const hasAnchor = options.hasAnchor || true\r\n  const isAtStart = options.isAtStart || true\r\n  const showCode = options.showCode || false\r\n  const chapterCode = options.chapterCode || ''\r\n  const anchorURL = options.anchorURL || ''\r\n  const headingId = `heading-${i}`\r\n  const attrs = {\r\n    id: headingId,\r\n    className: isAtStart ? `${CLS_HEADING} ${CLS_HEADING}_start` : CLS_HEADING,\r\n    'data-id': i\r\n  }\r\n  const keys = Object.keys(attrs)\r\n  const text = trim($heading.innerHTML)\r\n  let $anchor\r\n  let $icon\r\n\r\n  keys.forEach((prop) => {\r\n    setAttribute($heading, prop, attrs[prop])\r\n  })\r\n\r\n  if (showCode) {\r\n    $heading.innerHTML = chapterCode + ' ' + text\r\n  }\r\n\r\n  if (!hasAnchor) {\r\n    return false\r\n  }\r\n\r\n  $icon = createSvgIcon('hash')\r\n  $anchor = createElement(\r\n    'a',\r\n    {\r\n      id: `anchor-${i}`,\r\n      className: `${CLS_HEADING}__anchor anchor-${i}`,\r\n      href: anchorURL ? anchorURL : `#${headingId}`,\r\n      target: anchorURL ? '_blank' : 'self',\r\n      'data-id': i\r\n    },\r\n    [$icon]\r\n  )\r\n  $heading.appendChild($anchor)\r\n}\r\n\r\nexport default _updateHeading\r\n","import hasClass from './hasClass'\r\n\r\n/**\r\n * 给 DOM 节点添加名为 className 的样式\r\n * ========================================================================\r\n * @method addClass\r\n * @param {HTMLElement} el - DOM 节点\r\n * @param {String} className - 样式名称\r\n * @returns {Boolean}\r\n */\r\nconst addClass = (el, className) => {\r\n  let classList\r\n  let allClass\r\n\r\n  if (hasClass(el, className)) {\r\n    return false\r\n  }\r\n\r\n  classList = el.classList\r\n\r\n  if (classList?.add) {\r\n    classList.add(className)\r\n  } else {\r\n    allClass = el.className\r\n    allClass += allClass.length > 0 ? ' ' + className : className\r\n    el.className = allClass\r\n  }\r\n}\r\n\r\nexport default addClass\r\n","const setProperty = (prop, value) => {\r\n  const documentElement = document.documentElement\r\n  documentElement.style.setProperty(prop, value)\r\n}\r\n\r\nexport default setProperty\r\n","import setProperty from './utils/dom/setProperty'\r\n\r\nlet index = 2000\r\n\r\nconst zIndex = (idx) => {\r\n  if (idx) {\r\n    index = idx\r\n  } else {\r\n    index += 1\r\n  }\r\n\r\n  setProperty('--outline-zIndex', `${index}`)\r\n\r\n  return index\r\n}\r\n\r\nexport default zIndex\r\n","import Base from './base'\r\n\r\nimport later from './utils/lang/later'\r\nimport isFunction from './utils/types/isFunction'\r\nimport addClass from './utils/dom/addClass'\r\nimport removeClass from './utils/dom/removeClass'\r\nimport createElement from './utils/dom/createElement'\r\nimport on from './utils/event/on'\r\nimport off from './utils/event/off'\r\n\r\nimport { paintSvgSprites, createSvgIcon } from './utils/icons'\r\nimport zIndex from './zIndex'\r\n\r\nclass Drawer extends Base {\r\n  constructor(options) {\r\n    super()\r\n\r\n    this.attrs = Drawer.DEFAULTS\r\n    this.title = ''\r\n    this.closed = true\r\n    this.$el = null\r\n    this.$modal = null\r\n    this.$header = null\r\n    this.$title = null\r\n    this.$close = null\r\n    this.$main = null\r\n    this.$footer = null\r\n    this.$overlay = null\r\n    this.zIndex = 0\r\n\r\n    if (options) {\r\n      this.initialize(options)\r\n    }\r\n  }\r\n\r\n  initialize(options) {\r\n    let created\r\n\r\n    this.attr(options)\r\n\r\n    this.title = this.attr('title')\r\n    created = this.attr('created')\r\n\r\n    if (isFunction(created)) {\r\n      created.call(this)\r\n    }\r\n\r\n    this.render().addListeners()\r\n    return this\r\n  }\r\n\r\n  setTitle(title) {\r\n    this.attr('title', title)\r\n    this.title = title\r\n    this.$title.innerHTML = title\r\n\r\n    return this\r\n  }\r\n\r\n  isClosed() {\r\n    return this.closed\r\n  }\r\n\r\n  render() {\r\n    const mounted = this.attr('mounted')\r\n    const size = this.attr('size')\r\n    const placement = this.attr('placement')\r\n    const hasClose = this.attr('hasClose')\r\n    const hasOverlay = this.attr('hasOverlay')\r\n    const hasOffset = this.attr('hasOffset')\r\n    const hasPadding = this.attr('hasPadding')\r\n    const autoHeight = this.attr('autoHeight')\r\n    const customClass = this.attr('customClass')\r\n    const $fragment = document.createDocumentFragment()\r\n    let $el\r\n    let $modal\r\n    let $header\r\n    let $title\r\n    let $close\r\n    let $main\r\n    let $footer\r\n    let $overlay\r\n\r\n    paintSvgSprites()\r\n    this.zIndex = zIndex()\r\n\r\n    $title = createElement(\r\n      'h2',\r\n      {\r\n        className: 'outline-drawer__title'\r\n      },\r\n      [this.title]\r\n    )\r\n    this.$title = $title\r\n\r\n    if (hasClose) {\r\n      $close = createElement(\r\n        'div',\r\n        {\r\n          className: 'outline-drawer__close'\r\n        },\r\n        [createSvgIcon('close', 20)]\r\n      )\r\n      this.$close = $close\r\n    }\r\n\r\n    $header = createElement(\r\n      'header',\r\n      {\r\n        className: 'outline-drawer__header'\r\n      },\r\n      [$title, $close]\r\n    )\r\n    this.$header = $header\r\n\r\n    $main = createElement(\r\n      'div',\r\n      {\r\n        className: 'outline-drawer__main'\r\n      },\r\n      ['']\r\n    )\r\n    this.$main = $main\r\n\r\n    if (!hasPadding) {\r\n      addClass($main, 'outline-drawer_full')\r\n    }\r\n\r\n    $footer = createElement(\r\n      'footer',\r\n      {\r\n        className: 'outline-drawer__footer'\r\n      },\r\n      ['']\r\n    )\r\n    this.$footer = $footer\r\n\r\n    $modal = createElement(\r\n      'div',\r\n      {\r\n        className: `outline-drawer__modal outline-drawer_${placement} outline-drawer_${size} outline-drawer_closed`\r\n      },\r\n      [$header, $main, $footer]\r\n    )\r\n    this.$modal = $modal\r\n\r\n    if (hasOffset) {\r\n      addClass($modal, 'outline-drawer_offset')\r\n    }\r\n\r\n    if (autoHeight) {\r\n      addClass($modal, 'outline-drawer_auto')\r\n    }\r\n\r\n    if (customClass) {\r\n      addClass($modal, customClass)\r\n    }\r\n\r\n    if (hasOverlay) {\r\n      $overlay = createElement(\r\n        'div',\r\n        {\r\n          className: 'outline-drawer__overlay'\r\n        },\r\n        ['']\r\n      )\r\n      this.$overlay = $overlay\r\n    }\r\n\r\n    $el = createElement(\r\n      'div',\r\n      {\r\n        className: `outline-drawer`\r\n      },\r\n      [$modal, $overlay]\r\n    )\r\n    this.$el = $el\r\n    $fragment.appendChild($el)\r\n    document.body.appendChild($fragment)\r\n\r\n    if (isFunction(mounted)) {\r\n      mounted.call(this)\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  open() {\r\n    const opened = this.attr('afterOpened')\r\n    const $modal = this.$modal\r\n\r\n    addClass(this.$el, 'outline-drawer_opened')\r\n    removeClass($modal, 'outline-drawer_closed')\r\n    addClass($modal, 'outline-drawer_opened')\r\n\r\n    later(() => {\r\n      this.closed = false\r\n\r\n      if (isFunction(opened)) {\r\n        opened.call(this)\r\n      }\r\n    })\r\n\r\n    return this\r\n  }\r\n\r\n  close() {\r\n    const closed = this.attr('afterClosed')\r\n    const $modal = this.$modal\r\n\r\n    removeClass($modal, 'outline-drawer_opened')\r\n    addClass($modal, 'outline-drawer_closed')\r\n\r\n    later(() => {\r\n      removeClass(this.$el, 'outline-drawer_opened')\r\n      this.closed = true\r\n\r\n      if (isFunction(closed)) {\r\n        closed.call(this)\r\n      }\r\n    })\r\n\r\n    return this\r\n  }\r\n\r\n  toggle() {\r\n    const afterToggle = this.attr('afterToggle')\r\n    const closed = this.isClosed()\r\n\r\n    if (closed) {\r\n      this.open()\r\n    } else {\r\n      this.close()\r\n    }\r\n\r\n    if (isFunction(afterToggle)) {\r\n      later(() => {\r\n        afterToggle.call(this, closed)\r\n      })\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  destroy() {\r\n    const afterDestroy = this.attr('afterDestroy')\r\n    const beforeDestroy = this.attr('beforeDestroy')\r\n    let index = this.zIndex\r\n\r\n    if (isFunction(beforeDestroy)) {\r\n      beforeDestroy.call(this)\r\n    }\r\n\r\n    this.removeListeners()\r\n\r\n    this.attrs = Drawer.DEFAULTS\r\n    this.title = ''\r\n    this.closed = false\r\n    this.$el = null\r\n    this.$modal = null\r\n    this.$header = null\r\n    this.$title = null\r\n    this.$close = null\r\n    this.$main = null\r\n    this.$footer = null\r\n    this.$overlay = null\r\n\r\n    index -= 1\r\n    zIndex(index)\r\n    this.zIndex = 0\r\n\r\n    if (isFunction(afterDestroy)) {\r\n      afterDestroy.call(this)\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  addListeners() {\r\n    const hasClose = this.attr('hasClose')\r\n    const hasOverlay = this.attr('hasOverlay')\r\n    const $el = this.$el\r\n\r\n    if (hasClose) {\r\n      on($el, '.outline-drawer__close', 'click', this.onClose, this, true)\r\n    }\r\n\r\n    if (hasOverlay) {\r\n      on($el, '.outline-drawer__overlay', 'click', this.onClose, this, true)\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  removeListeners() {\r\n    const hasClose = this.attr('hasClose')\r\n    const hasOverlay = this.attr('hasOverlay')\r\n    const $el = this.$el\r\n\r\n    if (!hasClose && !hasOverlay) {\r\n      return this\r\n    }\r\n\r\n    off($el, 'click', this.onClose)\r\n\r\n    return this\r\n  }\r\n\r\n  onClose() {\r\n    this.close()\r\n    return this\r\n  }\r\n}\r\n\r\nDrawer.DEFAULTS = {\r\n  placement: 'rtl',\r\n  title: '标题',\r\n  size: 'regular',\r\n  hasClose: true,\r\n  hasOverlay: true,\r\n  hasOffset: false,\r\n  hasPadding: true,\r\n  autoHeight: true,\r\n  created: null,\r\n  mounted: null,\r\n  afterClosed: null,\r\n  afterOpened: null,\r\n  afterScroll: null,\r\n  beforeDestroy: null,\r\n  afterDestroy: null,\r\n  afterToggle: null\r\n}\r\n\r\nexport default Drawer\r\n","import isFunction from '../types/isFunction'\r\nimport off from './off'\r\n\r\nimport { CAPTURE_EVENTS } from './enum'\r\n\r\n/**\r\n * 绑定事件\r\n * ========================================================================\r\n * @method at\r\n * @param {HTMLElement|String|Object} el - （必须）绑定代理事件的 DOM 节点\r\n * @param {String|Function} type - （必须）事件类型或者事件处理器回调函数\r\n * @param {Function|Object} fn - （必须） 事件处理器回调函数或者传递给事件处理器回调函数的数据对象\r\n * @param {Object|Boolean} [data] - （可选）传递给事件处理器回调函数的数据对象或者事件处理器回调函数的 this 上下文指向，\r\n * @param {Object|Boolean} [context] - （可选）事件处理器回调函数的 this 上下文指向，或者是否仅触发一次\r\n * 当设置为 true 时，则事件处理器回调函数的 this 上下文指向为 data 对象\r\n * @param {Boolean} once - （可选）是否仅触发一次\r\n */\r\nconst at = (el, type, fn, data, context, once = false) => {\r\n  // CAPTURE_EVENTS 中的特殊事件，采用事件捕获模型\r\n  const capture = CAPTURE_EVENTS.indexOf(type) > -1\r\n  const listener = function (evt) {\r\n    let overrideContext = context || el\r\n\r\n    // 当设置为 true 时，则事件处理器回调函数的\r\n    // this 上下文指向为 data 对象\r\n    if (context === true) {\r\n      overrideContext = data\r\n    }\r\n\r\n    // 仅触发一次\r\n    /* istanbul ignore else */\r\n    if (once === true) {\r\n      off(el, type, listener)\r\n    }\r\n\r\n    fn.call(overrideContext, evt, data)\r\n  }\r\n\r\n  if (!isFunction(fn)) {\r\n    return false\r\n  }\r\n\r\n  if (!el._listeners) {\r\n    el._listeners = []\r\n  }\r\n\r\n  // 缓存 options 元素绑定的事件处理器\r\n  el._listeners.push({\r\n    el,\r\n    type,\r\n    fn: listener,\r\n    data,\r\n    context,\r\n    capture\r\n  })\r\n\r\n  // 缓存包装后的事件处理器\r\n  fn._delegateListener = listener\r\n\r\n  el.addEventListener(type, listener, capture)\r\n}\r\n\r\nexport default at\r\n","import Base from './base'\r\n\r\nimport isString from './utils/types/isString'\r\nimport isFunction from './utils/types/isFunction'\r\nimport isElement from './utils/types/isElement'\r\nimport later from './utils/lang/later'\r\nimport at from './utils/event/at'\r\nimport on from './utils/event/on'\r\nimport off from './utils/event/off'\r\nimport stop from './utils/event/stop'\r\nimport createElement from './utils/dom/createElement'\r\nimport scrollTo from './utils/dom/scrollTo'\r\nimport addClass from './utils/dom/addClass'\r\nimport intersection from './utils/dom/intersection'\r\nimport removeClass from './utils/dom/removeClass'\r\nimport offsetTop from './utils/dom/offsetTop'\r\nimport setProperty from './utils/dom/setProperty'\r\nimport publish from './utils/observer/emit'\r\n\r\nimport _getScrollElement from './utils/dom/_getScrollElement'\r\nimport _paintChapters from './_paintChapters'\r\n\r\nclass Chapters extends Base {\r\n  constructor(options) {\r\n    super()\r\n\r\n    this.attrs = Chapters.DEFAULTS\r\n    this.$el = null\r\n    this.$title = null\r\n    this.$main = null\r\n    this.$list = null\r\n    this.$placeholder = null\r\n    this.$parentElement = null\r\n    this.$scrollElement = null\r\n    this.chapters = []\r\n    this.closed = false\r\n    this.active = 0\r\n    this.offsetTop = 0\r\n    this.offsetWidth = 0\r\n    this.$active = null\r\n    this.scrollTimer = null\r\n    this.resizeTimer = null\r\n    this.playing = false\r\n\r\n    if (options) {\r\n      this.initialize(options)\r\n    }\r\n  }\r\n\r\n  initialize(options) {\r\n    let created\r\n    let parentElement\r\n    let scrollElement\r\n    let $parent\r\n\r\n    this.attr(options)\r\n    created = this.attr('created')\r\n    parentElement = this.attr('parentElement')\r\n    scrollElement = this.attr('scrollElement')\r\n\r\n    if (isString(parentElement)) {\r\n      $parent = document.querySelector(parentElement)\r\n    } else if (isElement(parentElement)) {\r\n      $parent = parentElement\r\n    }\r\n    this.$parentElement = $parent\r\n    this.$scrollElement = _getScrollElement(scrollElement)\r\n\r\n    this.chapters = this.attr('chapters')\r\n    this.closed = this.attr('closed')\r\n    this.active = this.attr('active')\r\n\r\n    if (isFunction(created)) {\r\n      created.call(this)\r\n    }\r\n\r\n    if (this.chapters.length < 1) {\r\n      return this\r\n    }\r\n\r\n    this.render().addListeners()\r\n\r\n    this.$active = document.querySelector(`#chapter-${this.active}`)\r\n\r\n    return this\r\n  }\r\n\r\n  isClosed() {\r\n    return this.closed\r\n  }\r\n\r\n  isSticky() {\r\n    const position = this.attr('position')\r\n    return position === 'sticky'\r\n  }\r\n\r\n  isFixed() {\r\n    const position = this.attr('position')\r\n    return position === 'fixed'\r\n  }\r\n\r\n  isInside() {\r\n    return this.isFixed() || this.isSticky()\r\n  }\r\n\r\n  isOutside() {\r\n    return !this.isInside()\r\n  }\r\n\r\n  _paintEdge() {\r\n    const STICKY = 'outline-chapters_sticky'\r\n    const FIXED = 'outline-chapters_fixed'\r\n    const HIDDEN = 'outline-chapters_hidden'\r\n    const title = this.attr('title')\r\n    const customClass = this.attr('customClass')\r\n    const $parentElement = this.$parentElement\r\n    const contents = []\r\n    let $title = null\r\n    let $el\r\n    let $main\r\n    let $list\r\n    let $placeholder\r\n\r\n    if (!$parentElement) {\r\n      return this\r\n    }\r\n\r\n    if (this.isInside()) {\r\n      $title = createElement(\r\n        'h2',\r\n        {\r\n          className: 'outline-chapters__title'\r\n        },\r\n        [title]\r\n      )\r\n      this.$title = $title\r\n      contents.push($title)\r\n    }\r\n\r\n    $list = createElement(\r\n      'ul',\r\n      {\r\n        // 为优化性能，添加了 _fixed 和 _hidden\r\n        // fixed 为了让 $list 脱离流布局\r\n        // hidden 让 $list 不可见\r\n        className: `outline-chapters__list ${FIXED} ${HIDDEN}`\r\n      },\r\n      ['']\r\n    )\r\n    this.$list = $list\r\n\r\n    $placeholder = createElement(\r\n      'div',\r\n      {\r\n        className: 'outline-chapters__placeholder'\r\n      },\r\n      ['']\r\n    )\r\n    this.$placeholder = $placeholder\r\n\r\n    $main = createElement(\r\n      'div',\r\n      {\r\n        className: 'outline-chapters__main'\r\n      },\r\n      [$list, $placeholder]\r\n    )\r\n    this.$main = $main\r\n    contents.push($main)\r\n\r\n    $el = createElement(\r\n      'nav',\r\n      {\r\n        id: 'outline-chapters',\r\n        className: 'outline-chapters'\r\n      },\r\n      contents\r\n    )\r\n    this.$el = $el\r\n\r\n    if (this.isSticky()) {\r\n      this.calculateStickyHeight()\r\n      addClass($el, STICKY)\r\n    }\r\n\r\n    if (customClass) {\r\n      addClass($el, customClass)\r\n    }\r\n\r\n    $parentElement.appendChild($el)\r\n\r\n    return this\r\n  }\r\n\r\n  render() {\r\n    const FIXED = 'outline-chapters_fixed'\r\n    const HIDDEN = 'outline-chapters_hidden'\r\n    const showCode = this.attr('showCode')\r\n    const mounted = this.attr('mounted')\r\n    const $parentElement = this.$parentElement\r\n    let $el\r\n    let $list\r\n\r\n    if (!$parentElement) {\r\n      return this\r\n    }\r\n\r\n    this._paintEdge()\r\n\r\n    $list = this.$list\r\n    _paintChapters($list, this.chapters, showCode)\r\n    removeClass($list, FIXED)\r\n    removeClass($list, HIDDEN)\r\n\r\n    $el = this.$el\r\n    this.offsetTop = offsetTop($el)\r\n    this.offsetWidth = $el.offsetWidth\r\n\r\n    if (this.isFixed()) {\r\n      this.sticky()\r\n      setProperty('--outline-chapters-width', `${this.offsetWidth}px`)\r\n    }\r\n\r\n    if (isFunction(mounted)) {\r\n      mounted.call(this)\r\n    }\r\n\r\n    this.onObserver()\r\n\r\n    return this\r\n  }\r\n\r\n  highlight(id) {\r\n    const $anchor = this.$el.querySelector(`#chapter__anchor-${id}`)\r\n    const HIGHLIGHT = 'outline-chapters_active'\r\n    const $placeholder = this.$placeholder\r\n    let top\r\n\r\n    if (this.$active) {\r\n      removeClass(this.$active, HIGHLIGHT)\r\n    }\r\n\r\n    this.active = parseInt($anchor.getAttribute('data-id'), 10)\r\n    this.$active = $anchor\r\n    addClass(this.$active, HIGHLIGHT)\r\n\r\n    top = 30 * this.active\r\n    $placeholder.style.top = `calc(0.5em + ${top}px)`\r\n\r\n    return this\r\n  }\r\n\r\n  sticky() {\r\n    const afterSticky = this.attr('afterSticky')\r\n    const FIXED = 'outline-chapters_fixed'\r\n    const $el = this.$el\r\n    const top = this.offsetTop\r\n    const scrollTop = this.$scrollElement.scrollTop\r\n    let isStickying\r\n\r\n    if (!this.isFixed()) {\r\n      return this\r\n    }\r\n\r\n    isStickying = !!(scrollTop >= top)\r\n\r\n    if (isStickying) {\r\n      addClass($el, FIXED)\r\n    } else {\r\n      removeClass($el, FIXED)\r\n    }\r\n\r\n    if (isFunction(afterSticky)) {\r\n      afterSticky.call(this, this.isClosed(), isStickying)\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  calculateStickyHeight() {\r\n    const documentElement = document.documentElement\r\n    const height = Math.max(\r\n      documentElement.clientHeight || 0,\r\n      window.innerHeight || 0\r\n    )\r\n    setProperty('--outline-sticky-height', `${height}px`)\r\n    return this\r\n  }\r\n\r\n  scrollTo(top, after) {\r\n    const el = this.$scrollElement\r\n\r\n    scrollTo(el, top, after)\r\n\r\n    return this\r\n  }\r\n\r\n  show() {\r\n    const FOLDED = 'outline-chapters_folded'\r\n    const HIDDEN = 'outline-chapters_hidden'\r\n    const opened = this.attr('afterOpened')\r\n    const $el = this.$el\r\n    const $parent = this.$parentElement\r\n\r\n    if (this.isInside()) {\r\n      removeClass($parent, HIDDEN)\r\n      removeClass($el, HIDDEN)\r\n      later(() => {\r\n        removeClass($parent, FOLDED)\r\n        removeClass($el, FOLDED)\r\n      }, 30)\r\n    } else {\r\n      removeClass($el, HIDDEN)\r\n    }\r\n    this.closed = false\r\n\r\n    if (isFunction(opened)) {\r\n      opened.call(this)\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  hide() {\r\n    const FOLDED = 'outline-chapters_folded'\r\n    const HIDDEN = 'outline-chapters_hidden'\r\n    const closed = this.attr('afterClosed')\r\n    const $el = this.$el\r\n    const $parent = this.$parentElement\r\n\r\n    if (this.isInside()) {\r\n      addClass($parent, FOLDED)\r\n      addClass($el, FOLDED)\r\n      later(() => {\r\n        addClass($parent, HIDDEN)\r\n        addClass($el, HIDDEN)\r\n      })\r\n    } else {\r\n      addClass($el, HIDDEN)\r\n    }\r\n    this.closed = true\r\n\r\n    if (isFunction(closed)) {\r\n      closed.call(this)\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  toggle() {\r\n    const afterToggle = this.attr('afterToggle')\r\n    const top = this.offsetTop\r\n    const scrollTop = this.$scrollElement.scrollTop\r\n    let isStickying\r\n\r\n    if (this.isClosed()) {\r\n      this.show()\r\n    } else {\r\n      this.hide()\r\n    }\r\n\r\n    if (isFunction(afterToggle)) {\r\n      later(() => {\r\n        isStickying = !!(scrollTop >= top)\r\n        afterToggle.call(this, this.isClosed(), isStickying)\r\n      })\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  destroy() {\r\n    const beforeDestroy = this.attr('beforeDestroy')\r\n    const afterDestroy = this.attr('afterDestroy')\r\n\r\n    if (isFunction(beforeDestroy)) {\r\n      beforeDestroy.call(this)\r\n    }\r\n\r\n    this.removeListeners()\r\n    this.$parentElement.removeChild(this.$el)\r\n\r\n    this.attr(Chapters.DEFAULTS)\r\n    this.$el = null\r\n    this.$title = null\r\n    this.$main = null\r\n    this.$list = null\r\n    this.$placeholder = null\r\n    this.$parentElement = null\r\n    this.$scrollElement = null\r\n    this.chapters = []\r\n    this.active = 0\r\n    this.offsetTop = 0\r\n    this.$active = null\r\n    this.closed = false\r\n\r\n    if (this.scrollTimer) {\r\n      clearTimeout(this.scrollTimer)\r\n      this.scrollTimer = null\r\n    }\r\n\r\n    if (this.resizeTimer) {\r\n      clearTimeout(this.resizeTimer)\r\n      this.resizeTimer = null\r\n    }\r\n\r\n    if (isFunction(afterDestroy)) {\r\n      afterDestroy.call(this)\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  onObserver() {\r\n    let timer = null\r\n\r\n    intersection(\r\n      ($heading) => {\r\n        const id = $heading.getAttribute('data-id')\r\n\r\n        if (this.playing) {\r\n          return false\r\n        }\r\n\r\n        if (timer) {\r\n          clearTimeout(timer)\r\n        }\r\n\r\n        timer = later(() => {\r\n          this.highlight(id)\r\n        }, 100)\r\n      },\r\n      { context: this }\r\n    )\r\n\r\n    return this\r\n  }\r\n\r\n  onSelect(evt) {\r\n    const stickyHeight = this.attr('stickyHeight')\r\n    const $anchor = evt.delegateTarget\r\n    const id = $anchor.getAttribute('data-id')\r\n    const headingId = $anchor.href.split('#')[1]\r\n    const $heading = document.querySelector(`#${headingId}`)\r\n    const top = offsetTop($heading) - (stickyHeight + 10)\r\n    const min = 0\r\n    const max = this.$scrollElement.scrollHeight\r\n    const afterScroll = this.attr('afterScroll')\r\n    const after = () => {\r\n      if (isFunction(afterScroll)) {\r\n        afterScroll.call(this, 'chapter')\r\n      }\r\n\r\n      later(() => {\r\n        this.playing = false\r\n        publish('toolbar:update', {\r\n          top,\r\n          min,\r\n          max\r\n        })\r\n      })\r\n    }\r\n\r\n    this.playing = true\r\n    if (this.isFixed()) {\r\n      this.sticky()\r\n      later(() => {\r\n        this.scrollTo(top, after)\r\n        this.highlight(id)\r\n      }, 10)\r\n    } else {\r\n      this.scrollTo(top, after)\r\n      this.highlight(id)\r\n    }\r\n\r\n    stop(evt)\r\n\r\n    return this\r\n  }\r\n\r\n  onScroll() {\r\n    const $scrollElement = this.$scrollElement\r\n\r\n    if (this.scrollTimer) {\r\n      clearTimeout(this.scrollTimer)\r\n    }\r\n\r\n    this.scrollTimer = later(() => {\r\n      const top = $scrollElement.scrollTop\r\n      const min = 0\r\n      const max = $scrollElement.scrollHeight - $scrollElement.clientHeight\r\n\r\n      if (this.isFixed()) {\r\n        this.sticky()\r\n      }\r\n\r\n      publish('toolbar:update', {\r\n        top,\r\n        min,\r\n        max\r\n      })\r\n    }, 50)\r\n\r\n    return this\r\n  }\r\n\r\n  onResize() {\r\n    if (this.resizeTimer) {\r\n      clearTimeout(this.resizeTimer)\r\n    }\r\n\r\n    this.resizeTimer = later(() => {\r\n      this.calculateStickyHeight()\r\n    })\r\n\r\n    return this\r\n  }\r\n\r\n  addListeners() {\r\n    const $el = this.$el\r\n    const $scrollElement = this.$scrollElement\r\n    const tagName = $scrollElement.tagName.toLowerCase()\r\n    let $element = $scrollElement\r\n\r\n    if (tagName === 'html' || tagName === 'body') {\r\n      $element = window\r\n    }\r\n\r\n    on($el, '.outline-chapters__anchor', 'click', this.onSelect, this, true)\r\n    at($element, 'scroll', this.onScroll, this, true)\r\n    if (this.isSticky()) {\r\n      at($element, 'resize', this.onResize, this, true)\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  removeListeners() {\r\n    const $el = this.$el\r\n    const $scrollElement = this.$scrollElement\r\n    const tagName = $scrollElement.tagName.toLowerCase()\r\n    let $element = $scrollElement\r\n\r\n    if (tagName === 'html' || tagName === 'body') {\r\n      $element = window\r\n    }\r\n\r\n    off($el, 'click', this.onSelect)\r\n    off($element, 'scroll', this.onScroll)\r\n    if (this.isSticky()) {\r\n      at($element, 'resize', this.onResize)\r\n    }\r\n\r\n    return this\r\n  }\r\n}\r\n\r\nChapters.DEFAULTS = {\r\n  parentElement: '',\r\n  scrollElement: '',\r\n  selector: '',\r\n  active: 0,\r\n  closed: false,\r\n  showCode: true,\r\n  position: 'relative',\r\n  stickyHeight: 0,\r\n  chapters: [],\r\n  created: null,\r\n  mounted: null,\r\n  afterClosed: null,\r\n  afterOpened: null,\r\n  afterScroll: null,\r\n  beforeDestroy: null,\r\n  afterDestroy: null,\r\n  afterSticky: null\r\n}\r\n\r\nexport default Chapters\r\n","import createElement from './utils/dom/createElement'\r\n\r\nconst _paintChapters = ($list, chapters, showCode = false) => {\r\n  const byId = (id) => document.getElementById(id)\r\n\r\n  chapters.forEach((chapter) => {\r\n    const pid = chapter.pid\r\n    const id = chapter.id\r\n    const rel = chapter.rel\r\n    const $text = createElement(\r\n      'span',\r\n      {\r\n        className: 'outline-chapters__text'\r\n      },\r\n      [chapter.text]\r\n    )\r\n    const $link = createElement(\r\n      'a',\r\n      {\r\n        id: `chapter__anchor-${id}`,\r\n        className: 'outline-chapters__anchor',\r\n        href: '#' + rel,\r\n        rel: rel,\r\n        'data-id': id\r\n      },\r\n      [$text]\r\n    )\r\n    let $code\r\n    let $li\r\n    let $ul\r\n    let $parent\r\n\r\n    if (showCode) {\r\n      $code = createElement(\r\n        'span',\r\n        {\r\n          className: 'outline-chapters__code',\r\n          'data-id': id\r\n        },\r\n        [chapter.code]\r\n      )\r\n\r\n      $link.insertBefore($code, $link.firstChild)\r\n    }\r\n\r\n    $li = createElement(\r\n      'li',\r\n      {\r\n        id: `chapter-${id}`,\r\n        className: 'outline-chapters__item',\r\n        'data-id': id\r\n      },\r\n      [$link]\r\n    )\r\n\r\n    if (pid === -1) {\r\n      $list.appendChild($li)\r\n    } else {\r\n      $parent = byId(`chapter-${pid}`)\r\n      $ul = byId(`subject-${pid}`)\r\n\r\n      if (!$ul) {\r\n        $ul = createElement(\r\n          'ul',\r\n          {\r\n            id: 'subject-' + pid,\r\n            className: 'outline-chapters__subject'\r\n          },\r\n          [$li]\r\n        )\r\n\r\n        $parent.appendChild($ul)\r\n      } else {\r\n        $ul.appendChild($li)\r\n      }\r\n    }\r\n  })\r\n}\r\n\r\nexport default _paintChapters\r\n","import isFunction from '../types/isFunction'\r\nimport isElement from '../types/isElement'\r\n\r\n/**\r\n * 通用的 IntersectionObserver 观察者处理器\r\n * ========================================================================\r\n * @method intersection\r\n * @param {Function} fn\r\n * @param {Object} [props]\r\n * @param {Object|HTMLElement} [props.root]\r\n * @param {String} [props.selector]\r\n * @param {Object} [props.context]\r\n * @param {String} [props.attr]\r\n * @param {String} [props.rootMargin]\r\n */\r\nconst intersection = (fn, props = {}) => {\r\n  const root = props.root || null\r\n  const selector = props.selector || '.outline-heading'\r\n  const context = props.context || null\r\n  const rootMargin = props.rootMargin || '0px 0px -90% 0px'\r\n  const options = {\r\n    rootMargin: rootMargin\r\n  }\r\n  const Observer = new IntersectionObserver((entries) => {\r\n    entries.forEach((entry) => {\r\n      if (entry.intersectionRatio > 0) {\r\n        if (isFunction(fn)) {\r\n          fn.call(context || entry.target, entry.target)\r\n        }\r\n      }\r\n    })\r\n  }, options)\r\n  const $root = isElement(root) ? root : document\r\n\r\n  if (root) {\r\n    options.root = root\r\n  }\r\n\r\n  $root.querySelectorAll(selector).forEach((section) => {\r\n    Observer.observe(section)\r\n  })\r\n}\r\n\r\nexport default intersection\r\n","import { createSvgIcon } from './utils/icons'\r\nimport createElement from './utils/dom/createElement'\r\nimport addClass from './utils/dom/addClass'\r\n\r\nconst _createButton = (button, rounded = true) => {\r\n  const $icon = createSvgIcon(button.icon, button.size)\r\n  const $anchor = createElement(\r\n    'a',\r\n    {\r\n      className: `outline-toolbar__anchor`,\r\n      href: button.link\r\n    },\r\n    [$icon]\r\n  )\r\n  const $button = createElement(\r\n    'div',\r\n    {\r\n      className: `outline-toolbar__button ${button.name}`\r\n    },\r\n    [button.link ? $anchor : $icon]\r\n  )\r\n\r\n  addClass($icon, 'outline-toolbar__icon')\r\n\r\n  if (rounded) {\r\n    addClass($button, 'outline-toolbar_rounded')\r\n  }\r\n\r\n  if (button.disabled) {\r\n    addClass($button, 'outline-toolbar_disabled')\r\n  }\r\n\r\n  return $button\r\n}\r\n\r\nexport default _createButton\r\n","import Base from './base'\r\n\r\nimport isString from './utils/types/isString'\r\nimport isFunction from './utils/types/isFunction'\r\nimport isObject from './utils/types/isObject'\r\nimport isArray from './utils/types/isArray'\r\nimport later from './utils/lang/later'\r\nimport createElement from './utils/dom/createElement'\r\nimport addClass from './utils/dom/addClass'\r\nimport hasClass from './utils/dom/hasClass'\r\nimport removeClass from './utils/dom/removeClass'\r\nimport on from './utils/event/on'\r\nimport off from './utils/event/off'\r\nimport publish from './utils/observer/emit'\r\nimport { paintSvgSprites } from './utils/icons'\r\n\r\nimport _createButton from './_createButton'\r\n\r\nconst DISABLED = 'outline-toolbar_disabled'\r\nconst HIDDEN = 'outline-toolbar_hidden'\r\n\r\nclass Toolbar extends Base {\r\n  constructor(options) {\r\n    super()\r\n\r\n    this.attrs = Toolbar.DEFAULTS\r\n    this.$el = null\r\n    this.disabled = false\r\n    this.closed = false\r\n    this.buttons = []\r\n\r\n    if (options) {\r\n      this.initialize(options)\r\n    }\r\n  }\r\n\r\n  initialize(options) {\r\n    let created\r\n\r\n    this.attr(options)\r\n    created = this.attr('created')\r\n    this.disabled = this.attr('disabled')\r\n    this.closed = this.attr('closed')\r\n\r\n    if (isFunction(created)) {\r\n      created.call(this)\r\n    }\r\n\r\n    this.render().addListeners()\r\n\r\n    return this\r\n  }\r\n\r\n  isDisabled(name) {\r\n    const buttons = this.attr('buttons')\r\n    let button\r\n\r\n    if (name) {\r\n      button = buttons.find((option) => option.name === name)\r\n\r\n      return !!(button && button.disabled)\r\n    }\r\n\r\n    return this.disabled\r\n  }\r\n\r\n  isClosed() {\r\n    return this.closed\r\n  }\r\n\r\n  highlight(name) {\r\n    const button = this.buttons.find((item) => item.name === name)\r\n    const ACTIVE = 'outline-toolbar_active'\r\n    let $button\r\n\r\n    if ($button) {\r\n      return this\r\n    }\r\n\r\n    $button = button.$el\r\n\r\n    if (hasClass($button, ACTIVE)) {\r\n      removeClass($button, ACTIVE)\r\n    } else {\r\n      addClass($button, ACTIVE)\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  render() {\r\n    const mounted = this.attr('mounted')\r\n    const buttons = this.attr('buttons') || []\r\n    const rounded = this.attr('rounded')\r\n    const placement = this.attr('placement')\r\n    const $buttons = document.createDocumentFragment()\r\n    const $fragment = document.createDocumentFragment()\r\n\r\n    paintSvgSprites()\r\n\r\n    buttons.forEach((button) => {\r\n      const $button = _createButton(button, rounded)\r\n\r\n      $buttons.appendChild($button)\r\n      this.buttons.push({\r\n        name: button.name,\r\n        $el: $button\r\n      })\r\n    })\r\n\r\n    this.$el = createElement(\r\n      'div',\r\n      {\r\n        id: 'outline-toolbar',\r\n        className: `outline-toolbar outline-toolbar_${placement}`\r\n      },\r\n      [$buttons]\r\n    )\r\n    $fragment.appendChild(this.$el)\r\n    document.body.appendChild($fragment)\r\n\r\n    if (this.closed) {\r\n      this.hide()\r\n    }\r\n\r\n    if (this.disabled) {\r\n      this.disable()\r\n    }\r\n\r\n    if (isFunction(mounted)) {\r\n      mounted.call(this)\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  add(button) {\r\n    const $el = this.$el\r\n    const buttons = this.attr('buttons')\r\n    const action = button.action\r\n    const $fragment = document.createDocumentFragment()\r\n    let type\r\n\r\n    if (isObject(button)) {\r\n      buttons.push(button)\r\n      $fragment.appendChild(_createButton(button))\r\n    } else if (isArray(button)) {\r\n      button.forEach((item) => {\r\n        $fragment.appendChild(_createButton(item))\r\n      })\r\n    }\r\n    $el.appendChild($fragment)\r\n\r\n    if (action && isFunction(action.handler)) {\r\n      type = action.type || 'click'\r\n      on($el, `.${button.name}`, type, action.handler)\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  remove(name) {\r\n    const $el = this.$el\r\n    const buttons = this.attr('buttons')\r\n    const button = buttons.find((option) => option.name === name)\r\n    let index = -1\r\n    let $button\r\n\r\n    if (!button) {\r\n      return this\r\n    }\r\n\r\n    buttons.forEach((button, i) => {\r\n      if (button.name === name) {\r\n        index = i\r\n      }\r\n    })\r\n\r\n    if (index > -1) {\r\n      this.attr().buttons.splice(index, 1)\r\n    }\r\n\r\n    $button = $el.querySelector(`.${name}`)\r\n    this.switch(name, false)\r\n    $el.removeChild($button)\r\n\r\n    return this\r\n  }\r\n\r\n  switch(name, enabled) {\r\n    const $el = this.$el\r\n    const buttons = this.attr('buttons')\r\n    const button = buttons.find((option) => option.name === name)\r\n    let action\r\n    let type\r\n    let listener\r\n    let $button\r\n\r\n    if (!button) {\r\n      return this\r\n    }\r\n\r\n    buttons.forEach((option) => {\r\n      if (option.name === name) {\r\n        button.disabled = !enabled\r\n      }\r\n    })\r\n\r\n    action = button.action\r\n    $button = $el.querySelector(`.${name}`)\r\n\r\n    if (action) {\r\n      type = action.type || 'click'\r\n      listener = action.handler\r\n    }\r\n\r\n    if (enabled) {\r\n      removeClass($button, DISABLED)\r\n\r\n      if (type && listener) {\r\n        on($el, `.${name}`, type, listener)\r\n      }\r\n    } else {\r\n      addClass($button, DISABLED)\r\n\r\n      if (type && listener) {\r\n        off($el, type, listener)\r\n      }\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  disable(name) {\r\n    const disabled = this.attr('afterDisabled')\r\n\r\n    if (name) {\r\n      this.switch(name, false)\r\n    } else {\r\n      addClass(this.$el, DISABLED)\r\n      this.removeListeners()\r\n      this.disabled = true\r\n\r\n      if (isFunction(disabled)) {\r\n        disabled.call(this)\r\n      }\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  enable(name) {\r\n    const enabled = this.attr('afterEnabled')\r\n\r\n    if (name) {\r\n      this.switch(name, true)\r\n    } else {\r\n      this.disabled = false\r\n      removeClass(this.$el, DISABLED)\r\n      this.addListeners()\r\n\r\n      if (isFunction(enabled)) {\r\n        enabled.call(this)\r\n      }\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  show(name) {\r\n    const opened = this.attr('afterOpened')\r\n    const button = this.attr('buttons').find((option) => option.name === name)\r\n    const $el = this.$el\r\n    let $button\r\n\r\n    if (name) {\r\n      if (!button) {\r\n        return this\r\n      }\r\n\r\n      $button = $el.querySelector(`.${name}`)\r\n      removeClass($button, HIDDEN)\r\n    } else {\r\n      removeClass($el, HIDDEN)\r\n      this.closed = false\r\n\r\n      if (isFunction(opened)) {\r\n        later(() => {\r\n          opened.call(this)\r\n        }, 310)\r\n      }\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  hide(name) {\r\n    const closed = this.attr('afterClosed')\r\n    const button = this.attr('buttons').find((option) => option.name === name)\r\n    const $el = this.$el\r\n    let $button\r\n\r\n    if (name) {\r\n      if (!button) {\r\n        return this\r\n      }\r\n      $button = $el.querySelector(`.${name}`)\r\n      addClass($button, HIDDEN)\r\n    } else {\r\n      addClass($el, HIDDEN)\r\n      this.closed = true\r\n\r\n      if (isFunction(closed)) {\r\n        later(() => {\r\n          closed.call(this)\r\n        }, 310)\r\n      }\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  toggle() {\r\n    if (this.isClosed()) {\r\n      this.show()\r\n    } else {\r\n      this.hide()\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  destroy() {\r\n    const beforeDestroy = this.attr('beforeDestroy')\r\n    const afterDestroy = this.attr('afterDestroy')\r\n    let $el = this.$el\r\n\r\n    if (isFunction(beforeDestroy)) {\r\n      beforeDestroy.call(this)\r\n    }\r\n\r\n    this.removeListeners()\r\n    document.body.removeChild($el)\r\n    $el = null\r\n\r\n    this.attr(Toolbar.DEFAULTS)\r\n    this.disabled = false\r\n    this.closed = false\r\n    this.buttons = []\r\n\r\n    if (isFunction(afterDestroy)) {\r\n      afterDestroy.call(this)\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  refresh() {\r\n    const $el = this.$el\r\n    const buttons = this.attr('buttons') || []\r\n\r\n    this.removeListeners()\r\n    $el.innerHTML = ''\r\n\r\n    buttons.forEach((button) => {\r\n      this.$el.appendChild(_createButton(button))\r\n    })\r\n\r\n    this.addListeners()\r\n\r\n    return this\r\n  }\r\n\r\n  addListeners() {\r\n    const buttons = this.attr('buttons')\r\n    const $el = this.$el\r\n\r\n    if (!buttons || buttons.length < 1) {\r\n      return this\r\n    }\r\n\r\n    buttons.forEach((button) => {\r\n      const action = button.action\r\n      const disabled = this.disabled\r\n      let type\r\n      let listener\r\n      let context\r\n      let command\r\n\r\n      if (disabled) {\r\n        return false\r\n      }\r\n\r\n      if (action) {\r\n        listener = action.handler\r\n        if (isString(listener)) {\r\n          command = listener\r\n          action.handler = function () {\r\n            publish(command, button.name)\r\n          }\r\n          listener = action.handler\r\n        }\r\n\r\n        type = action.type || 'click'\r\n        context = action.context\r\n      }\r\n\r\n      if (isFunction(listener)) {\r\n        on($el, `.${button.name}`, type, listener, context || this, true)\r\n      }\r\n    })\r\n\r\n    return this\r\n  }\r\n\r\n  removeListeners() {\r\n    const buttons = this.attr('buttons')\r\n    const $el = this.$el\r\n\r\n    if (!buttons || buttons.length < 1) {\r\n      return this\r\n    }\r\n\r\n    buttons.forEach((button) => {\r\n      const action = button.action\r\n      const disabled = this.disabled\r\n      let type\r\n      let listener\r\n\r\n      if (disabled) {\r\n        return false\r\n      }\r\n\r\n      if (action) {\r\n        listener = action.handler\r\n        type = action.type || 'click'\r\n      }\r\n\r\n      if (isFunction(listener)) {\r\n        off($el, type, listener)\r\n      }\r\n    })\r\n\r\n    return this\r\n  }\r\n}\r\n\r\nToolbar.DEFAULTS = {\r\n  placement: 'ltr',\r\n  closed: false,\r\n  disabled: false,\r\n  rounded: true,\r\n  buttons: [],\r\n  created: null,\r\n  mounted: null,\r\n  afterClosed: null,\r\n  afterOpened: null,\r\n  afterDisabled: null,\r\n  afterEnabled: null,\r\n  beforeDestroy: null,\r\n  afterDestroy: null\r\n}\r\n\r\nexport default Toolbar\r\n","/**\r\n * 生成唯一 id 字符串的函数\r\n * ========================================================================\r\n * @method guid\r\n * @param {String} [prefix] - 生成 id 的前缀字符串\r\n * @return {String} 返回一个表示唯一 id 的字符串\r\n */\r\nconst guid = (() => {\r\n  let uuid = 0\r\n\r\n  return (prefix) => {\r\n    uuid += 1\r\n\r\n    return prefix ? prefix + '-' + uuid : 'guid-' + uuid\r\n  }\r\n})()\r\n\r\nexport default guid\r\n","import _subscribers from './_subscribers'\r\nimport isFunction from '../types/isFunction'\r\nimport guid from '../lang/guid'\r\n\r\n/**\r\n * 订阅主题，并给出处理器函数\r\n * ========================================================================\r\n * @method on\r\n * @param {String} topic - （必须）主题名称\r\n * @param {Function} handler - （必须）主题的处理器函数\r\n * @param {Object} [context] - （可选）指定 this 执行上下文\r\n * @return {String|Boolean} - 唯一的 token 字符串，例如：'guid-1'。\r\n */\r\nconst on = (topic, handler, context = null) => {\r\n  const token = guid()\r\n  let subject = typeof topic === 'symbol' ? topic.toString() : topic\r\n\r\n  if (!isFunction(handler)) {\r\n    return false\r\n  }\r\n\r\n  /* istanbul ignore else */\r\n  if (!_subscribers[subject]) {\r\n    _subscribers[subject] = []\r\n  }\r\n\r\n  _subscribers[subject].push({\r\n    topic: subject,\r\n    callback: handler,\r\n    context,\r\n    token\r\n  })\r\n\r\n  return token\r\n}\r\n\r\nexport default on\r\n","import _subscribers from './_subscribers'\r\nimport hasOwn from '../lang/hasOwn'\r\n\r\n/**\r\n * 删除与给定 topic 相同的订阅者信息\r\n * ========================================================================\r\n * @method _removeSubscriber\r\n * @param {String} topic - （必须）订阅主题字符串\r\n * @returns {Boolean}\r\n */\r\nconst _removeSubscriber = (topic) => {\r\n  if (!hasOwn(_subscribers, topic)) {\r\n    return false\r\n  }\r\n\r\n  delete _subscribers[topic]\r\n}\r\n\r\nexport default _removeSubscriber\r\n","import has from './has'\r\nimport _removeSubscriber from './_removeSubscriber'\r\nimport _removeSubscriberByToken from './_removeSubscriberByToken'\r\n\r\n/**\r\n * 取消订阅主题\r\n * ========================================================================\r\n * @method off\r\n * @param {String} topic - （必须）订阅的主题\r\n * @param {Function|String} [token] - （可选）订阅主题的处理器函数或者唯一 Id 值\r\n */\r\nconst off = (topic, token) => {\r\n  if (!has(topic)) {\r\n    return false\r\n  }\r\n\r\n  if (token) {\r\n    _removeSubscriberByToken(token)\r\n  } else {\r\n    _removeSubscriber(topic)\r\n  }\r\n}\r\n\r\nexport default off\r\n","import _subscribers from './_subscribers'\r\nimport _removeSubscriber from './_removeSubscriber'\r\n\r\n/**\r\n * 通过订阅者 token 值删除订阅者信息\r\n * ========================================================================\r\n * @method _removeSubscriberByToken\r\n * @param {String} token - 订阅者 token 字符串\r\n * @returns {boolean}\r\n * @private\r\n */\r\nconst _removeSubscriberByToken = (token) => {\r\n  const keys = Object.keys(_subscribers)\r\n  let index = -1\r\n\r\n  if (!token || keys.length < 1) {\r\n    return false\r\n  }\r\n\r\n  keys.forEach((subject) => {\r\n    const subscriber = _subscribers[subject]\r\n    let topic\r\n\r\n    subscriber.forEach((execution, j) => {\r\n      if (execution.callback === token || execution.token === token) {\r\n        topic = execution.topic\r\n        subscriber.splice(index, j)\r\n      }\r\n    })\r\n\r\n    /* istanbul ignore else */\r\n    if (subscriber.length < 1) {\r\n      _removeSubscriber(topic)\r\n    }\r\n  })\r\n}\r\n\r\nexport default _removeSubscriberByToken\r\n","import Base from './base'\r\nimport Anchors from './anchors'\r\nimport Drawer from './drawer'\r\nimport Chapters from './chapters'\r\nimport Toolbar from './toolbar'\r\n\r\nimport later from './utils/lang/later'\r\nimport isFunction from './utils/types/isFunction'\r\nimport scrollTo from './utils/dom/scrollTo'\r\nimport _getScrollElement from './utils/dom/_getScrollElement'\r\nimport subscribe from './utils/observer/on'\r\nimport unsubscribe from './utils/observer/off'\r\n\r\nclass Outline extends Base {\r\n  constructor(options) {\r\n    super()\r\n\r\n    this.attrs = Outline.DEFAULTS\r\n    this.anchors = null\r\n    this.drawer = null\r\n    this.chapters = null\r\n    this.toolbar = null\r\n\r\n    if (options) {\r\n      this.initialize(options)\r\n    }\r\n  }\r\n\r\n  initialize(options) {\r\n    this.attr(options).render().addListeners()\r\n    return this\r\n  }\r\n\r\n  getChapters(isTreeStructured = false) {\r\n    return this.anchors.getChapters(isTreeStructured)\r\n  }\r\n\r\n  count() {\r\n    return this.anchors.count()\r\n  }\r\n\r\n  render() {\r\n    this._renderAnchors()._renderChapters()._renderToolbar()\r\n\r\n    return this\r\n  }\r\n\r\n  _renderAnchors() {\r\n    const articleElement = this.attr('articleElement')\r\n    const selector = this.attr('selector')\r\n    const stickyHeight = this.attr('stickyHeight')\r\n    const scrollElement = this.attr('scrollElement')\r\n    const showCode = this.attr('showCode')\r\n    const anchorURL = this.attr('anchorURL')\r\n    const afterScroll = this.attr('afterScroll')\r\n\r\n    this.anchors = new Anchors({\r\n      articleElement,\r\n      stickyHeight,\r\n      scrollElement,\r\n      selector,\r\n      showCode,\r\n      anchorURL,\r\n      afterScroll\r\n    })\r\n\r\n    return this\r\n  }\r\n\r\n  _renderChapters() {\r\n    const title = this.attr('title')\r\n    const stickyHeight = this.attr('stickyHeight')\r\n    const scrollElement = this.attr('scrollElement')\r\n    const customClass = this.attr('customClass')\r\n    const showCode = this.attr('showCode')\r\n    const position = this.attr('position')\r\n    const placement = this.attr('placement')\r\n    const afterSticky = this.attr('afterSticky')\r\n    const afterToggle = this.attr('afterToggle')\r\n    const afterScroll = this.attr('afterScroll')\r\n    const count = this.count()\r\n    let parentElement = this.attr('parentElement')\r\n    let CHAPTERS_OPTIONS\r\n\r\n    if (count < 1) {\r\n      return this\r\n    }\r\n\r\n    CHAPTERS_OPTIONS = {\r\n      scrollElement,\r\n      showCode,\r\n      position,\r\n      title,\r\n      stickyHeight,\r\n      chapters: this.anchors.getChapters(),\r\n      afterSticky,\r\n      afterToggle,\r\n      afterScroll\r\n    }\r\n\r\n    if (position === 'relative') {\r\n      this.drawer = new Drawer({\r\n        placement,\r\n        title,\r\n        size: 'tiny',\r\n        hasOffset: true,\r\n        hasPadding: false,\r\n        customClass,\r\n        afterClosed: () => {\r\n          const toolbar = this.toolbar\r\n          toolbar.toggle()\r\n        }\r\n      })\r\n      parentElement = this.drawer.$main\r\n    } else {\r\n      CHAPTERS_OPTIONS.customClass = customClass\r\n    }\r\n\r\n    CHAPTERS_OPTIONS.parentElement = parentElement\r\n    this.chapters = new Chapters(CHAPTERS_OPTIONS)\r\n\r\n    return this\r\n  }\r\n\r\n  _renderToolbar() {\r\n    const placement = this.attr('placement')\r\n    const homepage = this.attr('homepage')\r\n    const count = this.count()\r\n    const UP = {\r\n      name: 'up',\r\n      icon: 'up',\r\n      size: 20,\r\n      action: {\r\n        type: 'click',\r\n        handler: 'toolbar:action:up'\r\n      }\r\n    }\r\n    const HOME = {\r\n      name: 'homepage',\r\n      icon: 'homepage',\r\n      size: 20,\r\n      link: homepage\r\n    }\r\n    const MENU = {\r\n      name: 'menu',\r\n      icon: 'menu',\r\n      size: 18,\r\n      action: {\r\n        type: 'click',\r\n        handler: 'toolbar:action:toggle'\r\n      }\r\n    }\r\n    const DOWN = {\r\n      name: 'down',\r\n      icon: 'down',\r\n      size: 20,\r\n      action: {\r\n        type: 'click',\r\n        handler: 'toolbar:action:down'\r\n      }\r\n    }\r\n    const buttons = []\r\n\r\n    buttons.push(UP)\r\n    if (homepage) {\r\n      buttons.push(HOME)\r\n    }\r\n    if (count > 0) {\r\n      buttons.push(MENU)\r\n    }\r\n    buttons.push(DOWN)\r\n\r\n    this.toolbar = new Toolbar({\r\n      placement,\r\n      buttons: buttons\r\n    })\r\n\r\n    return this\r\n  }\r\n\r\n  toTop() {\r\n    const afterScroll = this.attr('afterScroll')\r\n    const toolbar = this.toolbar\r\n    const chapters = this.chapters\r\n    const count = this.count()\r\n    const afterTop = () => {\r\n      toolbar.hide('up')\r\n      toolbar.show('down')\r\n\r\n      if (count > 0) {\r\n        chapters.highlight(0)\r\n      }\r\n      chapters.playing = false\r\n\r\n      if (isFunction(afterScroll)) {\r\n        afterScroll.call(toolbar, 'up')\r\n      }\r\n    }\r\n\r\n    chapters.playing = true\r\n    this.scrollTo(0, afterTop)\r\n\r\n    return this\r\n  }\r\n\r\n  toBottom() {\r\n    const afterScroll = this.attr('afterScroll')\r\n    const $scrollElement = _getScrollElement(this.attr('scrollElement'))\r\n    const toolbar = this.toolbar\r\n    const chapters = this.chapters\r\n    const count = this.count()\r\n    const top = Math.floor(\r\n      $scrollElement.scrollHeight - $scrollElement.clientHeight\r\n    )\r\n    const afterDown = () => {\r\n      toolbar.hide('down')\r\n      toolbar.show('up')\r\n\r\n      if (count > 1) {\r\n        chapters.highlight(count - 1)\r\n      }\r\n      chapters.playing = false\r\n\r\n      if (isFunction(afterScroll)) {\r\n        afterScroll.call(toolbar, 'bottom')\r\n      }\r\n    }\r\n\r\n    chapters.playing = true\r\n    this.scrollTo(top, afterDown)\r\n\r\n    return this\r\n  }\r\n\r\n  scrollTo(top, afterScroll) {\r\n    const scrollElement = this.attr('scrollElement')\r\n    scrollTo(scrollElement, top, afterScroll)\r\n    return this\r\n  }\r\n\r\n  toggle() {\r\n    const position = this.attr('position')\r\n    const toolbar = this.toolbar\r\n    const drawer = this.drawer\r\n    const chapters = this.chapters\r\n    const count = this.count()\r\n\r\n    if (position !== 'relative') {\r\n      chapters.toggle()\r\n      toolbar.highlight('menu')\r\n    } else {\r\n      toolbar.toggle()\r\n\r\n      if (count < 1) {\r\n        return this\r\n      }\r\n\r\n      later(() => {\r\n        if (chapters.isInside()) {\r\n          chapters.toggle()\r\n        } else {\r\n          drawer.toggle()\r\n        }\r\n      })\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  destroy() {\r\n    const chapters = this.chapters\r\n    const count = this.count()\r\n\r\n    this.removeListeners()\r\n\r\n    this.attr(Outline.DEFAULTS)\r\n    this.anchors.destroy()\r\n    if (count < 1) {\r\n      chapters.destroy()\r\n      if (chapters.isOutside()) {\r\n        this.drawer.destroy()\r\n      }\r\n    }\r\n    this.toolbar.destroy()\r\n\r\n    return this\r\n  }\r\n\r\n  onToggle() {\r\n    this.toggle()\r\n    return this\r\n  }\r\n\r\n  onScrollTop() {\r\n    this.toTop()\r\n    return this\r\n  }\r\n\r\n  onScrollBottom() {\r\n    this.toBottom()\r\n    return this\r\n  }\r\n\r\n  onToolbarUpdate({ top, min, max }) {\r\n    const toolbar = this.toolbar\r\n    const current = Math.ceil(top)\r\n\r\n    if (current <= min) {\r\n      toolbar.hide('up')\r\n      toolbar.show('down')\r\n    } else if (current >= max) {\r\n      toolbar.hide('down')\r\n      toolbar.show('up')\r\n    } else if (current > min && current < max) {\r\n      toolbar.show('up')\r\n      toolbar.show('down')\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  addListeners() {\r\n    subscribe('toolbar:update', this.onToolbarUpdate, this)\r\n    subscribe('toolbar:action:up', this.onScrollTop, this)\r\n    subscribe('toolbar:action:toggle', this.onToggle, this)\r\n    subscribe('toolbar:action:down', this.onScrollBottom, this)\r\n    return this\r\n  }\r\n\r\n  removeListeners() {\r\n    unsubscribe('toolbar:update')\r\n    unsubscribe('toolbar:action:up')\r\n    unsubscribe('toolbar:action:toggle')\r\n    unsubscribe('toolbar:action:down')\r\n    return this\r\n  }\r\n}\r\n\r\nOutline.DEFAULTS = {\r\n  articleElement: '#article',\r\n  selector: 'h2,h3,h4,h5,h6',\r\n  title: '目录',\r\n  scrollElement: 'html,body',\r\n  position: 'relative',\r\n  parentElement: '#aside',\r\n  placement: 'rtl',\r\n  showCode: true,\r\n  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\ No newline at end of file
diff --git a/docs/sticky.html b/docs/sticky.html
index c953b265..0afdbb8b 100644
--- a/docs/sticky.html
+++ b/docs/sticky.html
@@ -111,7 +111,32 @@
 new Outline({
   // 设置深色配置界面
   customClass: 'theme-dark'
-})
afterSticky
Description
Type：
Function
Default：
null
可选，在设置 position: fixed 时，当导航菜单样式为 fixed 获取恢复为普通定位的时候，会触发执行 afterSticky 回调函数。
说明：afterSticky() 回调函数的 this 上下文执行 outline.chapters 对象。
Parameters
closed
Type：
Boolean
closed 参数值为 true 表示菜单处于隐藏状态，否则表示菜单处于显示状态
isSticky
Type：
Boolean
isSticky 参数值为 true 表示（position:fixed）菜单处于模拟 sticky 定位（position:fixed）状态，否则表示菜单处于普通状态。
const $header = document.querySelector('#header')
+})
afterScroll
Description
Type：
Function
Default：
null
可选，当点击导航菜单、文章中的 anchor 图标（#）或者上下滚动按钮会触发滚动，afterScroll() 回调函数会在滚动结束后触发执行。
Parameters
target
Type：
String
afterScroll() 回调函数有一个参数 target，返回的是当前点击的 DOM 元素的名称：
  • 'anchor'：表示点击的是 anchor 图标，即文章中标题前的 “#” 图标，此时的 this 上下文指向 outline.anchors；
  • 'chapter'：表示点击的是导航菜单的链接，此时的 this 上下文指向 outline.chapters；
  • 'up'：表示点击的是工具栏的向上按钮，此时的 this 上下文指向 outline.toolbar；
  • 'down'：表示点击的是工具栏的向下按钮，此时的 this 上下文指向 outline.toolbar；
注意：因为配置 afterScroll 回调函数会因为 4 个不同的 DOM 触发，所以需要根据 target 返回的值和此时的 this 指向判断处理。
const defaults = Outline.DEFAULTS
+let outline
+
+defaults.position = 'fixed'
+defaults.parentElement = '#aside'
+defaults.stickyHeight = 86
+defaults.homepage = './index.html'
+defaults.afterScroll = function(target) {
+  // 当然，如果你希望无论是点击什么都执行，就不需要判断了
+  // 直接些通用的滚动结束的逻辑即可
+  switch(target){
+    case 'anchor':
+      // 针对点击 # 的处理逻辑
+      break
+    case 'chapter':
+      // 针对点击导航菜单的处理逻辑
+      break
+    case 'up':
+      // 针对点击向上滚动按钮的处理逻辑
+      break
+    case 'down':
+      // 针对点击向下滚动按钮的处理逻辑
+      break
+  }
+}
+outline = new Outline(Outline.DEFAULTS)
afterSticky
Description
Type：
Function
Default：
null
可选，在设置 position: fixed 时，当导航菜单样式为 fixed 获取恢复为普通定位的时候，会触发执行 afterSticky 回调函数。
说明：afterSticky() 回调函数的 this 上下文执行 outline.chapters 对象。
Parameters
closed
Type：
Boolean
closed 参数值为 true 表示菜单处于隐藏状态，否则表示菜单处于显示状态
isSticky
Type：
Boolean
isSticky 参数值为 true 表示（position:fixed）菜单处于模拟 sticky 定位（position:fixed）状态，否则表示菜单处于普通状态。
const $header = document.querySelector('#header')
 const HEADER_STICKY = 'header_sticky'
 const defaults = Outline.DEFAULTS
 let outline
diff --git a/outline.min.js b/outline.min.js
index e7ab344a..02a5df24 100644
--- a/outline.min.js
+++ b/outline.min.js
@@ -1,2 +1,2 @@
-!function(t,e){"object"==typeof exports&&"undefined"!=typeof module?module.exports=e():"function"==typeof define&&define.amd?define(e):(t="undefined"!=typeof globalThis?globalThis:t||self).Outline=e()}(this,(function(){"use strict";const t=t=>"string"==typeof t,e=(t,e)=>{const s=Object.prototype.hasOwnProperty;return t&&s.call(t,e)},s=t=>Object.prototype.toString.apply(t),i=t=>"function"==typeof t||"[object Function]"===s(t),r=t=>("[object Object]"===s(t)||"object"==typeof t||i(t))&&null!==t;class l{constructor(t){this.attrs={},t&&this.initialize(t)}initialize(t){return this.attr(t).render().addListeners(),this}attr(s,i){const l=this.attrs;return t(s)?i&&e(l,s)?(l[s]=i,this):l[s]:r(s)?(n=l,o=s,Object.keys(o).forEach((t=>{e(o,t)&&(n[t]=o[t])})),this):0===arguments.length?l:this;var n,o}render(){return this}destroy(){return this.removeListeners(),this}reload(t){return this.destroy().initialize(this.attr(t)),this}addListeners(){return this}removeListeners(){return this}}const n=t=>!!(r(t)&&t.nodeName&&t.tagName&&1===t.nodeType),o=(t,e=300)=>!!i(t)&&setTimeout((()=>{t()}),e),h=t=>t*t,a=(e=null)=>{let s,i;return e?t(e)?i=document.querySelector(e):n(e)&&(i=e):(s=document.querySelectorAll("html,body"),i=s[0].scrollTop-s[1].scrollTop>=0?s[0]:s[1]),i},c=(t,e,s)=>{const r=a(t);let l=r.scrollTop,n=0;const o=e-l,c=r.scrollHeight,d=e-c<=0?e:c,u=t=>(i(s)&&s(t),!1),p=()=>{if(n+=1,o<0){if(l-=h(n),r.scrollTop=l,l<=e)return r.scrollTop=e,u(e)}else if(l+=h(n),r.scrollTop=l,l>=d)return r.scrollTop=d,u(d);requestAnimationFrame(p)};requestAnimationFrame(p)},d=t=>{let e=t.offsetTop;return null!==t.offsetParent&&(e+=d(t.offsetParent)),e},u=(t,e="")=>{const s=e.replace(/^>/i,"");return!!(e&&s&&t)&&(t.matches?t.matches(s):!!t.msMatchesSelector&&t.msMatchesSelector(s))},p=t=>t.host&&t!==document&&t.host.nodeType?t.host:t.parentNode,m=["focusout","blur","focusin","focus","load","unload","mouseenter","mouseleave"],f=(t,e,s)=>{const i=m.indexOf(e)>-1;s._delegateListener&&delete(s=s._delegateListener)._delegateListener,function(t,e,s){const i=t._listeners;let r=-1;if(i.length<1)return!1;i.forEach(((t,i)=>{const l=t.fn;e===t.type&&(r=i,l===s&&(r=i))})),r>-1&&i.splice(r,1)}(t,e,s),t.removeEventListener(e,s,i)},g=function(e,s,i=!1){const r=t(e)?document.querySelector(e):e,l=r.childNodes,o=((e,s)=>{let i=e._listeners||[];return t(s)&&s&&(i=i.filter((t=>t.type===s))),i})(r,s);o.forEach((t=>{f(r,t.type,t.fn)})),(i||!0===s||1===arguments.length)&&r&&l&&l.forEach((t=>{n(t)&&g(t,s,i)}))},y=(t,e,s)=>{if(!i(s))return g(t,e);f(t,e,s)},b=(t,e,s,i,r,l,n=!1)=>{const o=m.indexOf(s)>-1,h=function(o){const a=function(t){const e=t.target;return(s=e)&&3===s.nodeType?s.parentNode:s;var s}(o),c=((t,e,s,i)=>{const r=s||document;if(!t)return null;do{if(null!=e&&(">"===e[0]?t.parentNode===r&&u(t,e):u(t,e))||i&&t===r)return t;if(t===r)break}while(t=p(t))})(a,e,t);let d=l||t;o.delegateTarget=c,!0===l&&(d=r),c&&(!0===n&&y(t,s,h),i.call(d,o,r))};t._listeners||(t._listeners=[]),t._listeners.push({el:t,selector:e,type:s,fn:h,data:r,context:l,capture:o}),i._delegateListener=h,t.addEventListener(s,h,o)},$=function(t){t.stopPropagation(),t.preventDefault()},v={},E=t=>e(v,t)&&v[t].length>0,_=(t,e=!0)=>e?E(t):(t=>{let e=E(t),s=t.lastIndexOf(".");for(;!e&&-1!==s;)s=(t=t.substring(0,s)).lastIndexOf("."),e=E(t);return e})(t),T=(t,e,i=!0)=>{const r=t=>{if(!E(t))return!1;v[t].forEach((t=>{const i=["[object Int8Array]","[object Uint8Array]","[object Uint8ClampedArray]","[object Int16Array]","[object Uint16Array]","[object Int32Array]","[object Uint32Array]","[object Float32Array]","[object Float64Array]","[object BigInt64Array]","[object BigUint64Array]"].indexOf(s(e))>-1?e.toString():e;t.callback.call(t.context||t,i)}))},l=()=>{let e=t,s=t.lastIndexOf(".");for(;-1!==s;)e=e.substring(0,s),s=e.lastIndexOf("."),r(e);r(t),r("*")};if(!_(t))return!1;i?setTimeout(l,10):l()},w=t=>Array.isArray?Array.isArray(t):"[object Array]"===s(t),L=(t=[])=>{const e=['','','','','','','',''],s=w(t)&&t.length>0?e.concat(t):e,i=document.body;let r=document.querySelector("#svg-sprites");r?r.innerHTML=s.join(""):(r=document.createElement("div"),r.innerHTML=``,i.insertBefore(r.firstChild,i.firstChild))},C=(t,e=0,s="",i="outline")=>{const r=i?`xlink:href="#${i}-icon-${t}"`:`xlink:href="#icon-${t}"`,l=w(e)?e[0]:e,n=w(e)?e[1]:e,o=e?`width:${l}px;height:${n}px;`:"",h=``,a=document.createElement("i");return a.className="outline-icon",a.innerHTML=h,a},x=e=>!!t(e)&&e.replace(/^\s+|\s+$/g,""),S=t=>{return!(!r(t)||!(n(t)||(t=>!(!r(t)||"[object NodeList]"!==s(t)))(t)||(e=t,r(e)&&"[object DocumentFragment]"===s(e))||(t=>!(!r(t)||!("[object Text]"===s(t)||t.tagName&&3===t.nodeType)))(t)));var e},z=(t,e,s)=>{let i=t.tagName.toLowerCase();switch(e){case"style":t.style.cssText=s;break;case"value":"input"===i||"textarea"===i?t.value=s:t.setAttribute(e,s);break;case"className":t.className=s;break;default:t.setAttribute(e,s)}},k=(s,i,l)=>{const n=document.createDocumentFragment(),o=document.createElement(s),h=e=>S(e)||t(e),a=e=>{let s;if(!h(e))return!1;S(e)?s=e:t(e)&&(s=document.createTextNode(e)),n.appendChild(s)};return r(i)?Object.keys(i).forEach((t=>{e(i,t)&&z(o,t,i[t])})):w(i)&&i.every((t=>h(t)))&&i.forEach((t=>{a(t)})),w(l)?l.forEach((t=>{a(t)})):a(l),o.appendChild(n),o},A=(t,e)=>{const s=new RegExp("(\\s|^)"+e+"(\\s|$)");let i,r;return!!n(t)&&(i=t.className,!!i&&(r=t.classList,r?.contains?t.classList.contains(e):!!i.match(s)))},N=(t,e)=>{let s,i=t.className;if(!i||!A(t,e))return!1;s=t.classList,s?.remove?s.remove(e):(i=x(i.replace(e,"")),t.className=i)},M=(e,s=!0,i=!0)=>{const r="outline-heading",l=e.innerHTML;let n;if(e.innerHTML=l.replace(/^\d+(?:(\.?\d*)*\s?)?/gi,""),e.removeAttribute("id"),e.removeAttribute("data-id"),N(e,r),!s)return!1;var o;n=e.querySelector(`.${r}__anchor`),i&&N(e,`${r}_start`),o=x(e.className),t(o)&&""===o&&e.removeAttribute("class"),e.removeChild(n)},D=(e,s=!0)=>{const i=[];let r=1,l=0;return e.forEach(((e,s)=>{const n=e.tagName.replace(/h/i,"");let o=parseInt(n,10),h=-1;var a;o>r?(l+=1,h=1===l?-1:s-1):o===r||ol?1===o?(l=1,h=-1):h=i[s-1].pid:o<=l&&(1===o?l=1:(l-=r-o,l<=1&&(l=1)),h=1===l?-1:((t,e,s)=>{let i,r,l=t[s-1];for(r=0;r]+(>|$)/g,""):"")})})),s?(t=>{const e={};return t.forEach((t=>{const s=JSON.stringify((t=>[t.pid])(t));e[s]=e[s]||[],e[s].push(t),t.index=e[s].length,-1===t.pid&&(t.code=String(t.index))})),Object.keys(e).forEach((s=>{e[s].forEach(((e,s)=>{e.index=s+1,t.forEach((t=>{t.pid===e.id&&(t.code=e.code+"."+t.index)}))}))})),t})(i):i};class H extends 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i(s)&&s.call(this),this.removeListeners(),l.forEach((s=>{M(s,t,e)})),this.attr(H.DEFAULTS),this.$articleElement=null,this.$scrollElement=null,this.$headings=[],this.chapters=[],i(r)&&r.call(this),this}onAnchorTrigger(t){const e=this.attr("anchorURL"),s=this.attr("afterScroll"),r=this.attr("stickyHeight"),l=t.delegateTarget.parentNode,n=d(l)-(r+10),h=this.$scrollElement,a=h.scrollHeight-h.clientHeight;return this.scrollTo(n,(()=>{i(s)&&s.call(this),o((()=>{T("toolbar:update",{top:n,min:0,max:a})}))})),e||$(t),this}addListeners(){const t=this.$articleElement;return b(t,".outline-heading__anchor","click",this.onAnchorTrigger,this,!0),this}removeListeners(){const t=this.$articleElement;return y(t,"click",this.onAnchorTrigger),this}}H.DEFAULTS={scrollElement:"html,body",articleElement:"#article",selector:"h1,h2,h3,h4,h5,h6",stickyHeight:0,anchorURL:"",hasAnchor:!0,isAtStart:!0,showCode:!1,created:null,mounted:null,afterScroll:null,beforeDestroy:null,afterDestroy:null};const j=(t,e)=>{let s,i;if(A(t,e))return!1;s=t.classList,s?.add?s.add(e):(i=t.className,i+=i.length>0?" 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t&&b(s,".outline-drawer__close","click",this.onClose,this,!0),e&&b(s,".outline-drawer__overlay","click",this.onClose,this,!0),this}removeListeners(){const t=this.attr("hasClose"),e=this.attr("hasOverlay"),s=this.$el;return t||e?(y(s,"click",this.onClose),this):this}onClose(){return this.close(),this}}I.DEFAULTS={placement:"rtl",title:"标题",size:"regular",hasClose:!0,hasOverlay:!0,hasOffset:!1,hasPadding:!0,autoHeight:!0,created:null,mounted:null,afterClosed:null,afterOpened:null,afterScroll:null,beforeDestroy:null,afterDestroy:null,afterToggle:null};const q=(t,e,s,r,l,n=!1)=>{const o=m.indexOf(e)>-1,h=function(i){let o=l||t;!0===l&&(o=r),!0===n&&y(t,e,h),s.call(o,i,r)};if(!i(s))return!1;t._listeners||(t._listeners=[]),t._listeners.push({el:t,type:e,fn:h,data:r,context:l,capture:o}),s._delegateListener=h,t.addEventListener(e,h,o)};class B extends l{constructor(t){super(),this.attrs=B.DEFAULTS,this.$el=null,this.$title=null,this.$main=null,this.$list=null,this.$placeholder=null,this.$parentElement=null,this.$scrollElement=null,this.chapters=[],this.closed=!1,this.active=0,this.offsetTop=0,this.offsetWidth=0,this.$active=null,this.scrollTimer=null,this.resizeTimer=null,this.playing=!1,t&&this.initialize(t)}initialize(e){let s,r,l,o;return this.attr(e),s=this.attr("created"),r=this.attr("parentElement"),l=this.attr("scrollElement"),t(r)?o=document.querySelector(r):n(r)&&(o=r),this.$parentElement=o,this.$scrollElement=a(l),this.chapters=this.attr("chapters"),this.closed=this.attr("closed"),this.active=this.attr("active"),i(s)&&s.call(this),this.chapters.length<1||(this.render().addListeners(),this.$active=document.querySelector(`#chapter-${this.active}`)),this}isClosed(){return this.closed}isSticky(){return"sticky"===this.attr("position")}isFixed(){return"fixed"===this.attr("position")}isInside(){return this.isFixed()||this.isSticky()}isOutside(){return!this.isInside()}_paintEdge(){const t=this.attr("title"),e=this.attr("customClass"),s=this.$parentElement,i=[];let r,l,n,o,h=null;return s?(this.isInside()&&(h=k("h2",{className:"outline-chapters__title"},[t]),this.$title=h,i.push(h)),n=k("ul",{className:"outline-chapters__list outline-chapters_fixed outline-chapters_hidden"},[""]),this.$list=n,o=k("div",{className:"outline-chapters__placeholder"},[""]),this.$placeholder=o,l=k("div",{className:"outline-chapters__main"},[n,o]),this.$main=l,i.push(l),r=k("nav",{id:"outline-chapters",className:"outline-chapters"},i),this.$el=r,this.isSticky()&&(this.calculateStickyHeight(),j(r,"outline-chapters_sticky")),e&&j(r,e),s.appendChild(r),this):this}render(){const t=this.attr("showCode"),e=this.attr("mounted");let s,r;return this.$parentElement?(this._paintEdge(),r=this.$list,((t,e,s=!1)=>{const i=t=>document.getElementById(t);e.forEach((e=>{const 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e=this.attr("afterClosed"),s=this.attr("buttons").find((e=>e.name===t)),r=this.$el;let l;if(t){if(!s)return this;l=r.querySelector(`.${t}`),j(l,Q)}else j(r,Q),this.closed=!0,i(e)&&o((()=>{e.call(this)}),310);return this}toggle(){return this.isClosed()?this.show():this.hide(),this}destroy(){const t=this.attr("beforeDestroy"),e=this.attr("afterDestroy");let s=this.$el;return i(t)&&t.call(this),this.removeListeners(),document.body.removeChild(s),s=null,this.attr(V.DEFAULTS),this.disabled=!1,this.closed=!1,this.buttons=[],i(e)&&e.call(this),this}refresh(){const t=this.$el,e=this.attr("buttons")||[];return this.removeListeners(),t.innerHTML="",e.forEach((t=>{this.$el.appendChild(R(t))})),this.addListeners(),this}addListeners(){const e=this.attr("buttons"),s=this.$el;return!e||e.length<1||e.forEach((e=>{const r=e.action;let l,n,o,h;if(this.disabled)return!1;r&&(n=r.handler,t(n)&&(h=n,r.handler=function(){T(h,e.name)},n=r.handler),l=r.type||"click",o=r.context),i(n)&&b(s,`.${e.name}`,l,n,o||this,!0)})),this}removeListeners(){const t=this.attr("buttons"),e=this.$el;return!t||t.length<1||t.forEach((t=>{const s=t.action;let r,l;if(this.disabled)return!1;s&&(l=s.handler,r=s.type||"click"),i(l)&&y(e,r,l)})),this}}V.DEFAULTS={placement:"ltr",closed:!1,disabled:!1,rounded:!0,buttons:[],created:null,mounted:null,afterClosed:null,afterOpened:null,afterDisabled:null,afterEnabled:null,beforeDestroy:null,afterDestroy:null};const W=(()=>{let t=0;return e=>(t+=1,e?e+"-"+t:"guid-"+t)})(),J=(t,e,s=null)=>{const r=W();let l="symbol"==typeof t?t.toString():t;return!!i(e)&&(v[l]||(v[l]=[]),v[l].push({topic:l,callback:e,context:s,token:r}),r)},G=t=>{if(!e(v,t))return!1;delete v[t]},K=(t,e)=>{if(!_(t))return!1;e?(t=>{const e=Object.keys(v);if(!t||e.length<1)return!1;e.forEach((e=>{const s=v[e];let i;s.forEach(((e,r)=>{e.callback!==t&&e.token!==t||(i=e.topic,s.splice(-1,r))})),s.length<1&&G(i)}))})(e):G(t)};class X extends l{constructor(t){super(),this.attrs=X.DEFAULTS,this.anchors=null,this.drawer=null,this.chapters=null,this.toolbar=null,t&&this.initialize(t)}initialize(t){return this.attr(t).render().addListeners(),this}getChapters(t=!1){return this.anchors.getChapters(t)}count(){return this.anchors.count()}render(){return this._renderAnchors()._renderChapters()._renderToolbar(),this}_renderAnchors(){const t=this.attr("articleElement"),e=this.attr("selector"),s=this.attr("stickyHeight"),i=this.attr("scrollElement"),r=this.attr("showCode"),l=this.attr("anchorURL"),n=this.attr("afterScroll");return this.anchors=new H({articleElement:t,stickyHeight:s,scrollElement:i,selector:e,showCode:r,anchorURL:l,afterScroll:n}),this}_renderChapters(){const t=this.attr("title"),e=this.attr("stickyHeight"),s=this.attr("scrollElement"),i=this.attr("customClass"),r=this.attr("showCode"),l=this.attr("position"),n=this.attr("placement"),o=this.attr("afterSticky"),h=this.attr("afterToggle"),a=this.attr("afterScroll"),c=this.count();let d,u=this.attr("parentElement");return c<1||(d={scrollElement:s,showCode:r,position:l,title:t,stickyHeight:e,chapters:this.anchors.getChapters(),afterSticky:o,afterToggle:h,afterScroll:a},"relative"===l?(this.drawer=new I({placement:n,title:t,size:"tiny",hasOffset:!0,hasPadding:!1,customClass:i,afterClosed:()=>{this.toolbar.toggle()}}),u=this.drawer.$main):d.customClass=i,d.parentElement=u,this.chapters=new B(d)),this}_renderToolbar(){const t=this.attr("placement"),e=this.attr("homepage"),s=this.count(),i={name:"homepage",icon:"homepage",size:20,link:e},r={name:"menu",icon:"menu",size:18,action:{type:"click",handler:"toolbar:action:toggle"}},l=[];return l.push({name:"up",icon:"up",size:20,action:{type:"click",handler:"toolbar:action:up"}}),e&&l.push(i),s>0&&l.push(r),l.push({name:"down",icon:"down",size:20,action:{type:"click",handler:"toolbar:action:down"}}),this.toolbar=new V({placement:t,buttons:l}),this}toTop(){const t=this.attr("afterScroll"),e=this.toolbar,s=this.chapters,r=this.count();return s.playing=!0,this.scrollTo(0,(()=>{e.hide("up"),e.show("down"),r>0&&s.highlight(0),s.playing=!1,i(t)&&t.call(e,"up")})),this}toBottom(){const t=this.attr("afterScroll"),e=a(this.attr("scrollElement")),s=this.toolbar,r=this.chapters,l=this.count(),n=Math.floor(e.scrollHeight-e.clientHeight);return r.playing=!0,this.scrollTo(n,(()=>{s.hide("down"),s.show("up"),l>1&&r.highlight(l-1),r.playing=!1,i(t)&&t.call(s,"bottom")})),this}scrollTo(t,e){const s=this.attr("scrollElement");return c(s,t,e),this}toggle(){const t=this.attr("position"),e=this.toolbar,s=this.drawer,i=this.chapters,r=this.count();if("relative"!==t)i.toggle(),e.highlight("menu");else{if(e.toggle(),r<1)return this;o((()=>{i.isInside()?i.toggle():s.toggle()}))}return this}destroy(){const t=this.chapters,e=this.count();return this.removeListeners(),this.attr(X.DEFAULTS),this.anchors.destroy(),e<1&&(t.destroy(),t.isOutside()&&this.drawer.destroy()),this.toolbar.destroy(),this}onToggle(){return this.toggle(),this}onScrollTop(){return this.toTop(),this}onScrollBottom(){return this.toBottom(),this}onToolbarUpdate({top:t,min:e,max:s}){const i=this.toolbar,r=Math.ceil(t);return r<=e?(i.hide("up"),i.show("down")):r>=s?(i.hide("down"),i.show("up")):r>e&&r {\r\n  return typeof str === 'string'\r\n}\r\n\r\nexport default isString\r\n","/**\r\n * 检测对象自身属性中是否具有指定的属性。\r\n * ========================================================================\r\n * @method hasOwn\r\n * @param {Object} obj - （必须）检测的目标对象\r\n * @param {String} prop - （必须）属性名\r\n * @returns {Boolean}\r\n */\r\nconst hasOwn = (obj, prop) => {\r\n  const hasOwnProperty = Object.prototype.hasOwnProperty\r\n  return obj && hasOwnProperty.call(obj, prop)\r\n}\r\n\r\nexport default hasOwn\r\n","/**\r\n * Object 对象原型上的 toString 方法\r\n * ========================================================================\r\n * @method toString\r\n * @param {*} val\r\n * @returns {string}\r\n */\r\nconst toString = (val) => {\r\n  return Object.prototype.toString.apply(val)\r\n}\r\n\r\nexport default toString\r\n","import toString from '../lang/toString'\r\n\r\n/**\r\n * 检测测试数据是否为 Function 类型\r\n * ========================================================================\r\n * @method isFunction\r\n * @param {*} val - （必须）待检测的数据\r\n * @returns {boolean} 'val' 是 Function 类型返回 true，否则返回 false\r\n */\r\nconst isFunction = (val) => {\r\n  return typeof val === 'function' || toString(val) === '[object Function]'\r\n}\r\n\r\nexport default isFunction\r\n","import toString from '../lang/toString'\r\nimport isFunction from '../types/isFunction'\r\n\r\n/**\r\n * 检测数据是否为 Object 类型\r\n * ========================================================================\r\n * @method isObject\r\n * @param {*} o\r\n * @returns {boolean}\r\n */\r\nconst isObject = (o) => {\r\n  return (\r\n    (toString(o) === '[object Object]' ||\r\n      typeof o === 'object' ||\r\n      isFunction(o)) &&\r\n    o !== null\r\n  )\r\n}\r\n\r\nexport default isObject\r\n","import isString from './utils/types/isString'\r\nimport hasOwn from './utils/lang/hasOwn'\r\nimport isObject from './utils/types/isObject'\r\nimport extend from './utils/lang/extend'\r\n\r\nclass Base {\r\n  constructor(options) {\r\n    this.attrs = {}\r\n\r\n    if (options) {\r\n      this.initialize(options)\r\n    }\r\n  }\r\n\r\n  initialize(options) {\r\n    this.attr(options).render().addListeners()\r\n    return this\r\n  }\r\n\r\n  attr(prop, value) {\r\n    const attrs = this.attrs\r\n\r\n    if (isString(prop)) {\r\n      // 只能扩展 attrs 中已有的属性\r\n      if (value && hasOwn(attrs, prop)) {\r\n        // 更新单个配置信息\r\n        attrs[prop] = value\r\n        return this\r\n      }\r\n\r\n      // 只传递 prop 参数，则返回对应的属性值\r\n      return attrs[prop]\r\n    } else if (isObject(prop)) {\r\n      // 批量更新配置信息\r\n      extend(attrs, prop)\r\n\r\n      return this\r\n    } else if (arguments.length === 0) {\r\n      // 不传递参数，直接返回整个\r\n      return attrs\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  render() {\r\n    return this\r\n  }\r\n\r\n  destroy() {\r\n    this.removeListeners()\r\n    return this\r\n  }\r\n\r\n  reload(options) {\r\n    this.destroy().initialize(this.attr(options))\r\n    return this\r\n  }\r\n\r\n  addListeners() {\r\n    return this\r\n  }\r\n\r\n  removeListeners() {\r\n    return this\r\n  }\r\n}\r\n\r\nexport default Base\r\n","import hasOwn from './hasOwn'\r\n\r\n/**\r\n * 扩展对象\r\n * ========================================================================\r\n * @method extend\r\n * @param {Object} origin\r\n * @param {Object} source\r\n */\r\nconst extend = (origin, source) => {\r\n  const keys = Object.keys(source)\r\n\r\n  keys.forEach((prop) => {\r\n    if (hasOwn(source, prop)) {\r\n      origin[prop] = source[prop]\r\n    }\r\n  })\r\n}\r\n\r\nexport default extend\r\n","import isObject from './isObject'\r\n\r\n/**\r\n * 检测数据是否为 HTMLElement DOM 节点\r\n * ========================================================================\r\n * @method isElement\r\n * @param {*} o\r\n * @returns {boolean}\r\n */\r\nconst isElement = (o) => {\r\n  return !!(isObject(o) && o.nodeName && o.tagName && o.nodeType === 1)\r\n}\r\n\r\nexport default isElement\r\n","import isFunction from '../types/isFunction'\r\n\r\n/**\r\n * later - 延迟执行方法\r\n * ========================================================================\r\n * @method later\r\n * @param {Function} fn\r\n * @param {Number} [delay]\r\n * @returns {number|boolean}\r\n */\r\nconst later = (fn, delay = 300) => {\r\n  if (!isFunction(fn)) {\r\n    return false\r\n  }\r\n\r\n  return setTimeout(() => {\r\n    fn()\r\n  }, delay)\r\n}\r\n\r\nexport default later\r\n","/**\r\n * 返回给定值的平方值\r\n * ========================================================================\r\n * @method easeInQuad\r\n * @param {Number} x\r\n * @returns {number}\r\n */\r\nconst easeInQuad = (x) => {\r\n  return x * x\r\n}\r\n\r\nexport default easeInQuad\r\n","import isString from '../types/isString'\r\nimport isElement from '../types/isElement'\r\n\r\n/**\r\n * 通过给的 scrollElement 参数，获取滚动 DOM 元素\r\n * ========================================================================\r\n * @method _getScrollElement\r\n * @param {String|HTMLElement} scrollElement\r\n * @returns {Element}\r\n * @private\r\n */\r\nconst _getScrollElement = (scrollElement = null) => {\r\n  let $rootElements\r\n  let $scrollElement\r\n\r\n  if (!scrollElement) {\r\n    $rootElements = document.querySelectorAll('html,body')\r\n    $scrollElement =\r\n      $rootElements[0].scrollTop - $rootElements[1].scrollTop >= 0\r\n        ? $rootElements[0]\r\n        : $rootElements[1]\r\n  } else {\r\n    if (isString(scrollElement)) {\r\n      $scrollElement = document.querySelector(scrollElement)\r\n    } else if (isElement(scrollElement)) {\r\n      $scrollElement = scrollElement\r\n    }\r\n  }\r\n\r\n  return $scrollElement\r\n}\r\n\r\nexport default _getScrollElement\r\n","import easeInQuad from '../lang/easeInQuad'\r\nimport isFunction from '../types/isFunction'\r\nimport _getScrollElement from './_getScrollElement'\r\n\r\n/**\r\n * 指定 rootElement DOM 节点滚动到指定 top 位置\r\n * ========================================================================\r\n * @method scrollTo\r\n * @param {HTMLElement|Object} [scrollElement] - （必须）要滚动的 DOM 节点\r\n * @param {Number} top - （必须）滚动的 scrollTop 数值\r\n * @param {Function} [afterStop] - （可选）滚动完成的回调函数\r\n */\r\nconst scrollTo = (scrollElement, top, afterStop) => {\r\n  const $scrollElement = _getScrollElement(scrollElement)\r\n  let scrollTop = $scrollElement.scrollTop\r\n  let step = 0\r\n  const distance = top - scrollTop\r\n  const MAX_HEIGHT = $scrollElement.scrollHeight\r\n  const MAX_TOP = top - MAX_HEIGHT <= 0 ? top : MAX_HEIGHT\r\n  const stop = (top) => {\r\n    if (isFunction(afterStop)) {\r\n      afterStop(top)\r\n    }\r\n\r\n    return false\r\n  }\r\n  const play = () => {\r\n    step += 1\r\n\r\n    // 向上滚动\r\n    if (distance < 0) {\r\n      scrollTop -= easeInQuad(step)\r\n      $scrollElement.scrollTop = scrollTop\r\n\r\n      if (scrollTop <= top) {\r\n        $scrollElement.scrollTop = top\r\n        return stop(top)\r\n      }\r\n    } else {\r\n      scrollTop += easeInQuad(step)\r\n      $scrollElement.scrollTop = scrollTop\r\n\r\n      if (scrollTop >= MAX_TOP) {\r\n        $scrollElement.scrollTop = MAX_TOP\r\n        return stop(MAX_TOP)\r\n      }\r\n    }\r\n\r\n    requestAnimationFrame(play)\r\n  }\r\n\r\n  requestAnimationFrame(play)\r\n}\r\n\r\nexport default scrollTo\r\n","/**\r\n * 获取 DOM 节点相对于窗口的 left （纵坐标）值\r\n * ========================================================================\r\n * @method offsetTop\r\n * @param {HTMLElement} el - DOM 节点\r\n * @returns {Number}\r\n */\r\nconst offsetTop = (el) => {\r\n  let top = el.offsetTop\r\n\r\n  if (el.offsetParent !== null) {\r\n    top += offsetTop(el.offsetParent)\r\n  }\r\n\r\n  return top\r\n}\r\n\r\nexport default offsetTop\r\n","/**\r\n * 获取 options 节点下匹配 selector 选择器的 DOM 节点\r\n * ========================================================================\r\n * Element.matches() 方法可以用来判断 DOM 元素是否与给定的选择器匹配，事件代理判断是\r\n * 否触发绑定的代理事件回调函数，关键就是使用 Element.matches() 辨别当前事件触发的目\r\n * 标 DOM 元素是否为事件代理所期望触发的目标。\r\n * ========================================================================\r\n * @method matches\r\n * @see https://developer.mozilla.org/en-US/docs/web/api/element/matches\r\n * @param {HTMLElement} el - （必须）DOM 元素\r\n * @param {String} selector - （必须）匹配 DOM 元素的选择器\r\n * @returns {Boolean}\r\n */\r\nconst matches = (el, selector = '') => {\r\n  const sel = selector.replace(/^>/i, '')\r\n\r\n  if (!selector || !sel || !el) {\r\n    return false\r\n  }\r\n\r\n  /* istanbul ignore else */\r\n  if (el.matches) {\r\n    return el.matches(sel)\r\n  } else if (el.msMatchesSelector) {\r\n    return el.msMatchesSelector(sel)\r\n  } else {\r\n    return false\r\n  }\r\n}\r\n\r\nexport default matches\r\n","/**\r\n * 获取 DOM 元素的父节点\r\n * ========================================================================\r\n * @method getParentOrHost\r\n * @param {*|HTMLElement} el - （必须）要获取父节点的 DOM 元素\r\n * @returns {*|HTMLElement}\r\n */\r\nconst getParentOrHost = (el) => {\r\n  return el.host && el !== document && el.host.nodeType\r\n    ? el.host\r\n    : el.parentNode\r\n}\r\n\r\nexport default getParentOrHost\r\n","export const CAPTURE_EVENTS = [\r\n  'focusout',\r\n  'blur',\r\n  'focusin',\r\n  'focus',\r\n  'load',\r\n  'unload',\r\n  'mouseenter',\r\n  'mouseleave'\r\n]\r\n","import { CAPTURE_EVENTS } from './enum'\r\nimport _delete from './_delete'\r\n\r\n/**\r\n * （私有方法）取消 type 类型的代理事件绑定\r\n * ========================================================================\r\n * 如果没有设置 handler，则销毁 this.$options 绑定的所有符合 type 事件类型的事件绑定\r\n * ========================================================================\r\n * @method _off\r\n * @param {HTMLElement} el - （必须）取消事件绑定的 DOM 元素\r\n * @param {String} type - （必须）事件类型\r\n * @param {Function} fn - （必须）事件处理器回调函数\r\n * @private\r\n */\r\nconst _off = (el, type, fn) => {\r\n  const capture = CAPTURE_EVENTS.indexOf(type) > -1\r\n\r\n  /* istanbul ignore else */\r\n  if (fn._delegateListener) {\r\n    fn = fn._delegateListener\r\n    delete fn._delegateListener\r\n  }\r\n\r\n  // 移除缓存的 _listeners 数据\r\n  _delete(el, type, fn)\r\n\r\n  el.removeEventListener(type, fn, capture)\r\n}\r\n\r\nexport default _off\r\n","/**\r\n * 删除 DOM 元素缓存的 _listeners 数据\r\n * ========================================================================\r\n * @method _delete\r\n * @param {HTMLElement} el - 要删除 listener 的 DOM 元素\r\n * @param {String} type - 事件类型（名称）\r\n * @param {Function} [fn] - 事件处理器回调函数\r\n */\r\nconst _delete = function (el, type, fn) {\r\n  const listeners = el._listeners\r\n  let index = -1\r\n\r\n  if (listeners.length < 1) {\r\n    return false\r\n  }\r\n\r\n  // 移除缓存的 _listeners 数据\r\n  listeners.forEach((listener, i) => {\r\n    const handler = listener.fn\r\n\r\n    if (type === listener.type) {\r\n      index = i\r\n\r\n      if (handler === fn) {\r\n        index = i\r\n      }\r\n    }\r\n  })\r\n\r\n  /* istanbul ignore else */\r\n  if (index > -1) {\r\n    listeners.splice(index, 1)\r\n  }\r\n}\r\n\r\nexport default _delete\r\n","import isString from '../types/isString'\r\nimport isElement from '../types/isElement'\r\nimport getListeners from './getListeners'\r\nimport _off from './_off'\r\n\r\n/**\r\n * 销毁（type 类型的）代理事件绑定\r\n * ========================================================================\r\n * 1. 设置了事件类型 type，则销毁指定类型的事件绑定，否则清除所有代理事件绑定\r\n * 2. recurse 设置为 true，递归销毁子节点全部事件绑定\r\n * ========================================================================\r\n * @method purgeElement\r\n * @param {HTMLElement|String} el - （必须）DOM 元素或者其选择器\r\n * @param {String|Boolean} type - （必须）事件类型\r\n * @param {Boolean} [recurse] - （可选）是否递归销毁子节点所有事件绑定\r\n */\r\nconst purgeElement = function (el, type, recurse = false) {\r\n  const $element = isString(el) ? document.querySelector(el) : el\r\n  const $children = $element.childNodes\r\n  const listeners = getListeners($element, type)\r\n\r\n  listeners.forEach((listener) => {\r\n    _off($element, listener.type, listener.fn)\r\n  })\r\n\r\n  if (\r\n    (recurse || type === true || arguments.length === 1) &&\r\n    $element &&\r\n    $children\r\n  ) {\r\n    $children.forEach(($child) => {\r\n      if (isElement($child)) {\r\n        purgeElement($child, type, recurse)\r\n      }\r\n    })\r\n  }\r\n}\r\n\r\nexport default purgeElement\r\n","import isString from '../types/isString'\r\n\r\n/**\r\n * 获取 DOM 元素（type 事件类型）事件绑定信息\r\n * ========================================================================\r\n * 如果设置了事件类型 type， 则返回指定类型的事件绑定信息，否则返回所有事件绑定信息\r\n * ========================================================================\r\n * @methods getListeners\r\n * @param {HTMLElement} el - （必须）要获取事件绑定信息的 DOM 元素\r\n * @param {String} [type] - （可选）事件类型\r\n * @returns {Array} - 已绑定的事件信息\r\n */\r\nconst getListeners = (el, type) => {\r\n  let listeners = el._listeners || []\r\n\r\n  if (isString(type) && type) {\r\n    listeners = listeners.filter((listener) => {\r\n      return listener.type === type\r\n    })\r\n  }\r\n\r\n  return listeners\r\n}\r\n\r\nexport default getListeners\r\n","import purgeElement from './purgeElement'\r\nimport isFunction from '../types/isFunction'\r\nimport _off from './_off'\r\n\r\n/**\r\n * 取消 type 类型的代理事件绑定\r\n * ========================================================================\r\n * 如果没有设置 handler，则销毁 this.$options 绑定的所有符合 type 事件类型的事件绑定\r\n * ========================================================================\r\n * @method off\r\n * @param {HTMLElement} el - （必须）取消事件绑定的 DOM 元素\r\n * @param {String} type - （必须）事件类型\r\n * @param {Function} [fn] - （可选）事件处理器回调函数\r\n */\r\nconst off = (el, type, fn) => {\r\n  // 如果不设置 fn 参数，默认清除 el 元素上绑定的所有事件处理器\r\n  if (!isFunction(fn)) {\r\n    return purgeElement(el, type)\r\n  }\r\n\r\n  _off(el, type, fn)\r\n}\r\n\r\nexport default off\r\n","import closest from '../dom/closest'\r\nimport off from './off'\r\nimport getTarget from './getTarget'\r\n\r\nimport { CAPTURE_EVENTS } from './enum'\r\n\r\n/**\r\n * 绑定代理事件\r\n * ========================================================================\r\n * @method on\r\n * @param {HTMLElement|String|Object} el - （必须）绑定代理事件的 DOM 节点\r\n * @param {String} selector - （必须）事件代理目标 DOM 元素的选择器\r\n * @param {String|Function} type - （必须）事件类型或者事件处理器回调函数\r\n * @param {Function|Object} fn - （可选） 事件处理器回调函数或者传递给事件处理器回调函数的数据对象\r\n * @param {Object|Boolean} [data] - （可选）传递给事件处理器回调函数的数据对象或者事件处理器回调函数的 this 上下文指向，\r\n * @param {Object|Boolean} [context] - （可选）事件处理器回调函数的 this 上下文指向，或者是否仅触发一次\r\n * 当设置为 true 时，则事件处理器回调函数的 this 上下文指向为 data 对象\r\n * @param {Boolean} once - （可选）是否仅触发一次\r\n */\r\nconst on = (el, selector, type, fn, data, context, once = false) => {\r\n  // CAPTURE_EVENTS 中的特殊事件，采用事件捕获模型\r\n  const capture = CAPTURE_EVENTS.indexOf(type) > -1\r\n\r\n  const listener = function (evt) {\r\n    const target = getTarget(evt)\r\n    // 通过 Element.matches 方法获得点击的目标元素\r\n    const delegateTarget = closest(target, selector, el)\r\n    let overrideContext = context || el\r\n\r\n    evt.delegateTarget = delegateTarget\r\n\r\n    // 当设置为 true 时，则事件处理器回调函数的\r\n    // this 上下文指向为 data 对象\r\n    if (context === true) {\r\n      overrideContext = data\r\n    }\r\n\r\n    /* istanbul ignore else */\r\n    if (delegateTarget) {\r\n      // 仅触发一次\r\n      /* istanbul ignore else */\r\n      if (once === true) {\r\n        off(el, type, listener)\r\n      }\r\n\r\n      fn.call(overrideContext, evt, data)\r\n    }\r\n  }\r\n\r\n  if (!el._listeners) {\r\n    el._listeners = []\r\n  }\r\n\r\n  // 缓存 options 元素绑定的事件处理器\r\n  el._listeners.push({\r\n    el,\r\n    selector,\r\n    type,\r\n    fn: listener,\r\n    data,\r\n    context,\r\n    capture\r\n  })\r\n\r\n  // 缓存包装后的事件处理器\r\n  fn._delegateListener = listener\r\n\r\n  el.addEventListener(type, listener, capture)\r\n}\r\n\r\nexport default on\r\n","import resolveTextNode from '../dom/resolveTextNode'\r\n\r\n/**\r\n * 返回触发事件的 target DOM 元素\r\n * ========================================================================\r\n * @method getTarget\r\n * @param {Event} evt - Event 对象\r\n * @return {HTMLElement} - Event 对象的 target DOM 元素\r\n */\r\nconst getTarget = function (evt) {\r\n  const target = evt.target\r\n\r\n  return resolveTextNode(target)\r\n}\r\n\r\nexport default getTarget\r\n","/**\r\n * 在某些情况下，某些浏览器（例如：Safari 浏览器）会返回实际的目标元素内部的文本节点。\r\n * resolveTextNode() 方法则会返回实际的目标节点。\r\n * ========================================================================\r\n * @method resolveTextNode\r\n * @param {HTMLElement|Text} el - 要解析的节点\r\n * @return {*|HTMLElement} - 实际的目标 DOM 节点\r\n */\r\nconst resolveTextNode = function (el) {\r\n  if (el && el.nodeType === 3) {\r\n    return el.parentNode\r\n  }\r\n\r\n  return el\r\n}\r\n\r\nexport default resolveTextNode\r\n","import matches from './matches'\r\nimport getParentOrHost from './getParentOrHost'\r\n\r\n/**\r\n * 获取 options 元素父元素最近的包含 selector 选择器的元素\r\n * ========================================================================\r\n * @method closest\r\n * @param {HTMLElement} el - （必须）DOM 元素\r\n * @param {String} selector - （必须）DOM 元素的选择其\r\n * @param {HTMLElement} [ctx] - （必须）比对的 DOM 元素\r\n * @param {Boolean} [includeCTX] - （必须）是否包含 context DOM 元素\r\n * @returns {null|HTMLElement} - 返回最接近的 DOM 元素\r\n */\r\nconst closest = (el, selector, ctx, includeCTX) => {\r\n  const context = ctx || document\r\n\r\n  if (!el) {\r\n    return null\r\n  }\r\n\r\n  do {\r\n    /* istanbul ignore else */\r\n    if (\r\n      (selector != null &&\r\n        (selector[0] === '>'\r\n          ? el.parentNode === context && matches(el, selector)\r\n          : matches(el, selector))) ||\r\n      (includeCTX && el === context)\r\n    ) {\r\n      return el\r\n    }\r\n\r\n    /* istanbul ignore else */\r\n    if (el === context) {\r\n      break\r\n    }\r\n\r\n    /* jshint boss:true */\r\n  } while ((el = getParentOrHost(el)))\r\n}\r\n\r\nexport default closest\r\n","/**\r\n * 停止事件（阻止默认行为和阻止事件的捕获或冒泡）\r\n * ========================================================================\r\n * @method stop\r\n * @param {Event} evt - 事件对象\r\n *\r\n * @example\r\n * 
\r\n *   Service\r\n *   Help\r\n * 
\r\n *\r\n * const $nav = document.querySelector('#nav')\r\n * const $service = document.querySelector('.anchor')\r\n *\r\n * on($nav, 'click', function(evt) {\r\n *   console.log('你点击了导航栏')\r\n * })\r\n *\r\n * on($anchor, 'click', function(evt) {\r\n *   console.log('tagName', this.tagName)\r\n *\r\n *   // 工作台输出：'a'\r\n *   // 不会触发事件冒泡，输出：'你点击了导航栏'\r\n *   // 也不会切换到 href 属性的页面，阻止了点击链接的默认行为\r\n *   stopEvent(evt)\r\n * })\r\n */\r\nconst stop = function (evt) {\r\n  evt.stopPropagation()\r\n  evt.preventDefault()\r\n}\r\n\r\nexport default stop\r\n","/**\r\n * 存储订阅者（主题和处理器的）私有对象\r\n * ========================================================================\r\n * @type {{}}\r\n * @private\r\n */\r\nconst _subscribers = {}\r\n\r\nexport default _subscribers\r\n","import _subscribers from './_subscribers'\r\nimport hasOwn from '../lang/hasOwn'\r\n\r\n/**\r\n * 判断是否存在与给定 topic 完全匹配的订阅者信息\r\n * ========================================================================\r\n * @method _hasDirectSubscribersFor\r\n * @param {String} topic - （必须）订阅主题字符串\r\n * @returns {Boolean}\r\n */\r\nconst _hasDirectSubscribersFor = (topic) => {\r\n  return hasOwn(_subscribers, topic) && _subscribers[topic].length > 0\r\n}\r\n\r\nexport default _hasDirectSubscribersFor\r\n","import _hasDirectSubscribersFor from './_hasDirectSubscribersFor'\r\nimport _hasSubscribers from './_hasSubscribers'\r\n\r\n/**\r\n * 判断是否存在包含 topic 指定的订阅者信息\r\n * ========================================================================\r\n * @method has\r\n * @param {String} topic - （必须）主题名称\r\n * @param {Boolean} [isDirect] - （可选）是否为直接的主题，默认值：true\r\n * @returns {Boolean}\r\n */\r\nconst has = (topic, isDirect = true) => {\r\n  return isDirect ? _hasDirectSubscribersFor(topic) : _hasSubscribers(topic)\r\n}\r\n\r\nexport default has\r\n","import _hasDirectSubscribersFor from './_hasDirectSubscribersFor'\r\n\r\n/**\r\n * 判断是否存在包含给定 topic 相关的订阅者信息\r\n * ========================================================================\r\n * @method _hasSubscribers\r\n * @param {String} topic - （必须）订阅主题字符串\r\n * @returns {Boolean}\r\n */\r\nconst _hasSubscribers = (topic) => {\r\n  let found = _hasDirectSubscribersFor(topic)\r\n  let position = topic.lastIndexOf('.')\r\n\r\n  while (!found && position !== -1) {\r\n    topic = topic.substring(0, position)\r\n    position = topic.lastIndexOf('.')\r\n    found = _hasDirectSubscribersFor(topic)\r\n  }\r\n\r\n  return found\r\n}\r\n\r\nexport default _hasSubscribers\r\n","import isTypedArray from '../types/isTypedArray'\r\nimport _subscribers from './_subscribers'\r\nimport has from './has'\r\nimport _hasDirectSubscribersFor from './_hasDirectSubscribersFor'\r\n\r\n/**\r\n * （异步）发布订阅主题信息\r\n * ========================================================================\r\n * 主题默认是异步发布的。确保在消费者处理主题时，主题的发起者不会被阻止。\r\n * ========================================================================\r\n * @method emit\r\n * @param {String} topic - （必须）主题名称\r\n * @param {Object} data - （必须）数据对象\r\n * @param {Boolean} async - (可选) 是否异步发布\r\n */\r\nconst emit = (topic, data, async = true) => {\r\n  const execute = (topic) => {\r\n    if (!_hasDirectSubscribersFor(topic)) {\r\n      return false\r\n    }\r\n\r\n    _subscribers[topic].forEach((subscriber) => {\r\n      // 针对 mqtt 消息服务返回的 Uint8Array 类似的 typed arrays 格式的数据\r\n      // 采用 toString() 方法转化为普通（JSON）字符串\r\n      const message = isTypedArray(data) ? data.toString() : data\r\n\r\n      subscriber.callback.call(subscriber.context || subscriber, message)\r\n    })\r\n  }\r\n  const deliver = () => {\r\n    let subscriber = topic\r\n    let position = topic.lastIndexOf('.')\r\n\r\n    while (position !== -1) {\r\n      subscriber = subscriber.substring(0, position)\r\n      position = subscriber.lastIndexOf('.')\r\n\r\n      execute(subscriber)\r\n    }\r\n\r\n    // 执行 topic 对应的处理器\r\n    execute(topic)\r\n    // 执行特殊 topic：'*'（监听全部消息的发布）\r\n    execute('*')\r\n  }\r\n\r\n  if (!has(topic)) {\r\n    return false\r\n  }\r\n\r\n  if (async) {\r\n    setTimeout(deliver, 10)\r\n  } else {\r\n    deliver()\r\n  }\r\n}\r\n\r\nexport default emit\r\n","import toString from '../lang/toString'\r\n/**\r\n * 判断检测数据是否为 Typed Arrays 类型的数据\r\n * ========================================================================\r\n * @param {*} val\r\n * @returns {boolean}\r\n */\r\nconst isTypedArray = (val) => {\r\n  const TYPES = [\r\n    '[object Int8Array]',\r\n    '[object Uint8Array]',\r\n    '[object Uint8ClampedArray]',\r\n    '[object Int16Array]',\r\n    '[object Uint16Array]',\r\n    '[object Int32Array]',\r\n    '[object Uint32Array]',\r\n    '[object Float32Array]',\r\n    '[object Float64Array]',\r\n    '[object BigInt64Array]',\r\n    '[object BigUint64Array]'\r\n  ]\r\n\r\n  return TYPES.indexOf(toString(val)) > -1\r\n}\r\n\r\nexport default isTypedArray\r\n","import toString from '../lang/toString'\r\n\r\n/**\r\n * 检测数据是否为 Array 类型\r\n * ========================================================================\r\n * @method isArray\r\n * @param {*} o\r\n * @returns {boolean}\r\n */\r\nconst isArray = (o) => {\r\n  if (Array.isArray) {\r\n    return Array.isArray(o)\r\n  } else {\r\n    return toString(o) === '[object Array]'\r\n  }\r\n}\r\n\r\nexport default isArray\r\n","import isArray from './types/isArray'\r\n\r\n/**\r\n * 绘制 SVG Sprites 图标集\r\n * ========================================================================\r\n * @method paintSvgSprites\r\n * @param {Array} [symbols] - （可选）symbols 图标数组\r\n *                             传递 symbols - 绘制 symbols + SYMBOLS 的图标集\r\n *                             不传递 symbols - 仅绘制默认 SYMBOLS 图标集\r\n */\r\nexport const paintSvgSprites = (symbols = []) => {\r\n  const SYMBOLS = [\r\n    '',\r\n    '',\r\n    '',\r\n    '',\r\n    '',\r\n    '',\r\n    '',\r\n    ''\r\n  ]\r\n  const sprites =\r\n    isArray(symbols) && symbols.length > 0 ? SYMBOLS.concat(symbols) : SYMBOLS\r\n  const $body = document.body\r\n  let $icons = document.querySelector('#svg-sprites')\r\n\r\n  if ($icons) {\r\n    $icons.innerHTML = sprites.join('')\r\n  } else {\r\n    $icons = document.createElement('div')\r\n    $icons.innerHTML =\r\n      ``\r\n    $body.insertBefore($icons.firstChild, $body.firstChild)\r\n  }\r\n}\r\n\r\n/**\r\n * 创建 SVG 图标 DOM 元素\r\n * ========================================================================\r\n * @method createSvgIcon\r\n * @param {String} name\r\n * @param {Number|String|Array} [size]\r\n * @param {String} [color]\r\n * @param {String} [iconSet]\r\n * @returns {HTMLElement}\r\n */\r\nexport const createSvgIcon = (\r\n  name,\r\n  size = 0,\r\n  color = '',\r\n  iconSet = 'outline'\r\n) => {\r\n  const binds = iconSet\r\n    ? `xlink:href=\"#${iconSet}-icon-${name}\"`\r\n    : `xlink:href=\"#icon-${name}\"`\r\n  const width = isArray(size) ? size[0] : size\r\n  const height = isArray(size) ? size[1] : size\r\n  const defaultRules = size ? `width:${width}px;height:${height}px;` : ''\r\n  const cssRules = color ? defaultRules + `color:${color}` : defaultRules\r\n  const svg =\r\n    `` +\r\n    `` +\r\n    ``\r\n  const $icon = document.createElement('i')\r\n\r\n  $icon.className = 'outline-icon'\r\n  $icon.innerHTML = svg\r\n\r\n  return $icon\r\n}\r\n","import isString from '../types/isString'\r\n\r\n/**\r\n * 清楚字符串起始位置所有的空格\r\n * ========================================================================\r\n * @method trim\r\n * @param {string} str\r\n * @returns {string|Boolean}\r\n */\r\nconst trim = (str) => {\r\n  if (!isString(str)) {\r\n    return false\r\n  }\r\n  return str.replace(/^\\s+|\\s+$/g, '')\r\n}\r\n\r\nexport default trim\r\n","import isObject from './isObject'\r\nimport isElement from './isElement'\r\nimport isHTMLCollection from './isHTMLCollection'\r\nimport isFragment from './isFragment'\r\nimport isTextNode from './isTextNode'\r\n\r\nconst isDOM = (el) => {\r\n  return !!(\r\n    isObject(el) &&\r\n    (isElement(el) || isHTMLCollection(el) || isFragment(el) || isTextNode(el))\r\n  )\r\n}\r\n\r\nexport default isDOM\r\n","import toString from '../lang/toString'\r\nimport isObject from './isObject'\r\n\r\nconst isHTMLCollection = (el) => {\r\n  return !!(isObject(el) && toString(el) === '[object NodeList]')\r\n}\r\n\r\nexport default isHTMLCollection\r\n","import toString from '../lang/toString'\r\nimport isObject from './isObject'\r\n\r\nconst isFragment = (fragment) => {\r\n  return !!(\r\n    isObject(fragment) && toString(fragment) === '[object DocumentFragment]'\r\n  )\r\n}\r\n\r\nexport default isFragment\r\n","import toString from '../lang/toString'\r\nimport isObject from './isObject'\r\n\r\nconst isTextNode = (el) => {\r\n  return !!(\r\n    isObject(el) &&\r\n    (toString(el) === '[object Text]' || (el.tagName && el.nodeType === 3))\r\n  )\r\n}\r\n\r\nexport default isTextNode\r\n","/**\r\n * 给 DOM 节点设置属性/值\r\n * ========================================================================\r\n * @method setAttribute\r\n * @param {HTMLElement} el - DOM 节点\r\n * @param {String} attr - 属性名称\r\n * @param {String|Number|Boolean} value - 属性值\r\n */\r\nconst setAttribute = (el, attr, value) => {\r\n  let tagName = el.tagName.toLowerCase()\r\n\r\n  switch (attr) {\r\n    case 'style':\r\n      el.style.cssText = value\r\n      break\r\n    case 'value':\r\n      if (tagName === 'input' || tagName === 'textarea') {\r\n        el.value = value\r\n      } else {\r\n        el.setAttribute(attr, value)\r\n      }\r\n      break\r\n    case 'className':\r\n      el.className = value\r\n      break\r\n    default:\r\n      el.setAttribute(attr, value)\r\n      break\r\n  }\r\n}\r\n\r\nexport default setAttribute\r\n","import hasOwn from '../lang/hasOwn'\r\nimport isObject from '../types/isObject'\r\nimport isString from '../types/isString'\r\nimport isArray from '../types/isArray'\r\nimport isDOM from '../types/isDOM'\r\nimport setAttribute from './setAttribute'\r\n\r\n/**\r\n * 创建 DOM 节点，并添加属性和子节点\r\n * ========================================================================\r\n * @method createElement\r\n * @param {String} tagName - 标签名称\r\n * @param {Object|Array} attrs - 属性对象或者子节点\r\n * @param {Array} [children] - 子节点数组\r\n * @returns {HTMLElement}\r\n */\r\nconst createElement = (tagName, attrs, children) => {\r\n  const $fragment = document.createDocumentFragment()\r\n  const $el = document.createElement(tagName)\r\n  const isValidChild = (child) => {\r\n    return isDOM(child) || isString(child)\r\n  }\r\n  const append = (child) => {\r\n    let $child\r\n\r\n    if (!isValidChild(child)) {\r\n      return false\r\n    }\r\n\r\n    if (isDOM(child)) {\r\n      $child = child\r\n    } else if (isString(child)) {\r\n      $child = document.createTextNode(child)\r\n    }\r\n\r\n    $fragment.appendChild($child)\r\n  }\r\n\r\n  if (isObject(attrs)) {\r\n    Object.keys(attrs).forEach((attr) => {\r\n      if (hasOwn(attrs, attr)) {\r\n        setAttribute($el, attr, attrs[attr])\r\n      }\r\n    })\r\n  } else if (isArray(attrs) && attrs.every((attr) => isValidChild(attr))) {\r\n    attrs.forEach((child) => {\r\n      append(child)\r\n    })\r\n  }\r\n\r\n  if (isArray(children)) {\r\n    children.forEach((child) => {\r\n      append(child)\r\n    })\r\n  } else {\r\n    append(children)\r\n  }\r\n\r\n  $el.appendChild($fragment)\r\n\r\n  return $el\r\n}\r\n\r\nexport default createElement\r\n","import isElement from '../types/isElement'\r\n/**\r\n * 检测 DOM 节点是否包含名为 className 的样式\r\n * ========================================================================\r\n * @method hasClass\r\n * @param {HTMLElement} el - DOM 节点\r\n * @param {String} className - 样式名称\r\n * @returns {Boolean}\r\n */\r\nconst hasClass = (el, className) => {\r\n  const pattern = new RegExp('(\\\\s|^)' + className + '(\\\\s|$)')\r\n  let allClass\r\n  let classList\r\n\r\n  if (!isElement(el)) {\r\n    return false\r\n  }\r\n\r\n  allClass = el.className\r\n\r\n  if (!allClass) {\r\n    return false\r\n  }\r\n\r\n  classList = el.classList\r\n\r\n  if (classList?.contains) {\r\n    return el.classList.contains(className)\r\n  }\r\n\r\n  return !!allClass.match(pattern)\r\n}\r\n\r\nexport default hasClass\r\n","import trim from '../lang/trim'\r\nimport hasClass from './hasClass'\r\n\r\n/**\r\n * 移除 DOM 节点的 className 样式\r\n * ========================================================================\r\n * @method removeClass\r\n * @param {HTMLElement} el - DOM 节点\r\n * @param {String} className - 样式名称\r\n * @returns {Boolean}\r\n */\r\nconst removeClass = (el, className) => {\r\n  let allClass = el.className\r\n  let classList\r\n\r\n  if (!allClass || !hasClass(el, className)) {\r\n    return false\r\n  }\r\n\r\n  classList = el.classList\r\n\r\n  if (classList?.remove) {\r\n    classList.remove(className)\r\n  } else {\r\n    allClass = trim(allClass.replace(className, ''))\r\n    el.className = allClass\r\n  }\r\n}\r\n\r\nexport default removeClass\r\n","import removeClass from './utils/dom/removeClass'\r\nimport isEmpty from './utils/types/isEmpty'\r\nimport trim from './utils/lang/trim'\r\n\r\nconst _resetHeading = ($heading, hasAnchor = true, isAtStart = true) => {\r\n  const CLS_HEADING = 'outline-heading'\r\n  const text = $heading.innerHTML\r\n  let $anchor\r\n\r\n  $heading.innerHTML = text.replace(/^\\d+(?:(\\.?\\d*)*\\s?)?/gi, '')\r\n  $heading.removeAttribute('id')\r\n  $heading.removeAttribute('data-id')\r\n\r\n  removeClass($heading, CLS_HEADING)\r\n\r\n  if (!hasAnchor) {\r\n    return false\r\n  }\r\n\r\n  $anchor = $heading.querySelector(`.${CLS_HEADING}__anchor`)\r\n\r\n  if (isAtStart) {\r\n    removeClass($heading, `${CLS_HEADING}_start`)\r\n  }\r\n\r\n  if (isEmpty(trim($heading.className))) {\r\n    $heading.removeAttribute('class')\r\n  }\r\n\r\n  $heading.removeChild($anchor)\r\n}\r\n\r\nexport default _resetHeading\r\n","import isString from './isString'\r\n/**\r\n * 检测数据是否为空字符串\r\n * ========================================================================\r\n * @method isEmpty\r\n * @param {String} str\r\n * @returns {boolean}\r\n */\r\nconst isEmpty = (str) => {\r\n  return isString(str) && str === ''\r\n}\r\n\r\nexport default isEmpty\r\n","import trim from './utils/lang/trim'\r\nimport stripTags from './utils/lang/stripTags'\r\n\r\nimport _getChaptersWithCode from './_getChaptersWithCode'\r\nimport _getChapterParentIdByDiffer from './_getChapterParentIdByDiffer'\r\n\r\nconst getChapters = (headings, showCode = true) => {\r\n  const chapters = []\r\n  let previous = 1\r\n  let level = 0\r\n\r\n  headings.forEach((heading, i) => {\r\n    const headingLevel = heading.tagName.replace(/h/i, '')\r\n    let current = parseInt(headingLevel, 10)\r\n    let pid = -1\r\n\r\n    // 当前标题的（标题标签）序号 > 前一个标题的序号：两个相连的标题是父标题 -> 子标题关系；\r\n    // h2 （前一个标题）\r\n    // h3 （当前标题）\r\n    if (current > previous) {\r\n      level += 1\r\n\r\n      // 第一层级的 pid 是 -1\r\n      if (level === 1) {\r\n        pid = -1\r\n      } else {\r\n        pid = i - 1\r\n      }\r\n    }\r\n    // 当前标题的（标题标签）序号 = 前一个标题的序号\r\n    // h2 （前一个标题）\r\n    // h2 （当前标题）\r\n    // 当前标题的（标题标签）序号 < 前一个标题的序号，并且当前标题序号 > 当前的级别\r\n    // h2\r\n    // h4 （前一个标题）\r\n    // h3 （当前标题：这种情况我们还是任务 h3 是 h2 的下一级章节）\r\n    else if (current === previous || (current < previous && current > level)) {\r\n      // H1 的层级肯定是 1\r\n      if (current === 1) {\r\n        level = 1\r\n        pid = -1\r\n      } else {\r\n        pid = chapters[i - 1].pid\r\n      }\r\n    } else if (current <= level) {\r\n      // H1 的层级肯定是 1\r\n      if (current === 1) {\r\n        level = 1\r\n      } else {\r\n        level = level - (previous - current)\r\n\r\n        if (level <= 1) {\r\n          level = 1\r\n        }\r\n      }\r\n\r\n      // 第一级的标题\r\n      if (level === 1) {\r\n        pid = -1\r\n      } else {\r\n        // 通过当前标题和前一个标题之间的等级差，获得当前标题的父标题ID\r\n        pid = _getChapterParentIdByDiffer(chapters, previous - current, i)\r\n      }\r\n    }\r\n\r\n    previous = current\r\n\r\n    chapters.push({\r\n      id: i,\r\n      pid: pid,\r\n      level: level,\r\n      rel: `heading-${i}`,\r\n      text: stripTags(trim(heading.innerHTML))\r\n    })\r\n  })\r\n\r\n  return showCode ? _getChaptersWithCode(chapters) : chapters\r\n}\r\n\r\nexport default getChapters\r\n","import isString from '../types/isString'\r\n\r\n/**\r\n * 过滤所有 HTML 标签\r\n * ========================================================================\r\n * @method stripTags\r\n * @param {string} str\r\n * @returns {string}\r\n */\r\nconst stripTags = (str) => {\r\n  if (!isString(str)) {\r\n    return ''\r\n  }\r\n  return str.replace(/<\\/?[^>]+(>|$)/g, '')\r\n}\r\n\r\nexport default stripTags\r\n","const _getChapterParentIdByDiffer = (chapters, differ, index) => {\r\n  let previous = chapters[index - 1]\r\n  let pid\r\n  let i\r\n\r\n  for (i = 0; i < differ; i += 1) {\r\n    pid = previous.pid\r\n    previous = chapters[pid]\r\n  }\r\n\r\n  pid = previous.pid\r\n\r\n  return pid\r\n}\r\n\r\nexport default _getChapterParentIdByDiffer\r\n","const _getChaptersWithCode = (chapters) => {\r\n  const groups = {}\r\n  const cb = (o) => {\r\n    return [o.pid]\r\n  }\r\n\r\n  chapters.forEach((o) => {\r\n    const group = JSON.stringify(cb(o))\r\n\r\n    groups[group] = groups[group] || []\r\n    groups[group].push(o)\r\n\r\n    o.index = groups[group].length\r\n    if (o.pid === -1) {\r\n      o.code = String(o.index)\r\n    }\r\n  })\r\n\r\n  Object.keys(groups).forEach((group) => {\r\n    groups[group].forEach((c, i) => {\r\n      c.index = i + 1\r\n      chapters.forEach((o) => {\r\n        if (o.pid === c.id) {\r\n          o.code = c.code + '.' + o.index\r\n        }\r\n      })\r\n    })\r\n  })\r\n\r\n  return chapters\r\n}\r\n\r\nexport default _getChaptersWithCode\r\n","import Base from './base'\r\n\r\n// 在文章的标题生成 anchor 链接\r\nimport isString from './utils/types/isString'\r\nimport isFunction from './utils/types/isFunction'\r\nimport isElement from './utils/types/isElement'\r\nimport toTree from './utils/lang/toTree'\r\nimport later from './utils/lang/later'\r\nimport scrollTo from './utils/dom/scrollTo'\r\nimport _getScrollElement from './utils/dom/_getScrollElement'\r\nimport offsetTop from './utils/dom/offsetTop'\r\nimport on from './utils/event/on'\r\nimport off from './utils/event/off'\r\nimport stop from './utils/event/stop'\r\nimport publish from './utils/observer/emit'\r\nimport { paintSvgSprites } from './utils/icons'\r\n\r\nimport _updateHeading from './_updateHeading'\r\nimport _resetHeading from './_resetHeading'\r\nimport getChapters from './getChapters'\r\n\r\nclass Anchors extends Base {\r\n  constructor(options) {\r\n    super()\r\n\r\n    this.attrs = Anchors.DEFAULTS\r\n    this.$articleElement = null\r\n    this.$scrollElement = null\r\n    this.$headings = []\r\n\r\n    this.chapters = []\r\n\r\n    if (options) {\r\n      this.initialize(options)\r\n    }\r\n  }\r\n\r\n  initialize(options) {\r\n    let created\r\n    let scrollElement\r\n    let selector\r\n    let $articleElement\r\n    let articleElement\r\n\r\n    this.attr(options)\r\n    articleElement = this.attr('articleElement')\r\n    scrollElement = this.attr('scrollElement')\r\n    selector = this.attr('selector')\r\n    created = this.attr('created')\r\n\r\n    if (isString(articleElement)) {\r\n      $articleElement = document.querySelector(articleElement)\r\n    } else if (isElement(articleElement)) {\r\n      $articleElement = articleElement\r\n    }\r\n\r\n    if (!$articleElement) {\r\n      return this\r\n    }\r\n\r\n    this.$articleElement = $articleElement\r\n    this.$scrollElement = _getScrollElement(scrollElement)\r\n    this.$headings = [...$articleElement.querySelectorAll(selector)]\r\n\r\n    if (this.$headings.length < 1) {\r\n      return this\r\n    }\r\n\r\n    this.chapters = getChapters(this.$headings)\r\n\r\n    if (isFunction(created)) {\r\n      created.call(this)\r\n    }\r\n\r\n    this.render().addListeners()\r\n\r\n    return this\r\n  }\r\n\r\n  getChapters(isTreeStructured = false) {\r\n    const chapters = this.chapters\r\n    return isTreeStructured ? toTree(chapters, 'id', 'pid') : chapters\r\n  }\r\n\r\n  count() {\r\n    return this.chapters.length\r\n  }\r\n\r\n  render() {\r\n    const mounted = this.attr('mounted')\r\n    const hasAnchor = this.attr('hasAnchor')\r\n    const isAtStart = this.attr('isAtStart')\r\n    const showCode = this.attr('showCode')\r\n    const anchorURL = this.attr('anchorURL')\r\n    const $headings = this.$headings\r\n    const chapters = this.getChapters()\r\n\r\n    paintSvgSprites()\r\n\r\n    $headings.forEach(($heading, i) => {\r\n      const chapterCode = chapters[i].code\r\n      _updateHeading($heading, i, {\r\n        hasAnchor,\r\n        isAtStart,\r\n        showCode,\r\n        chapterCode,\r\n        anchorURL\r\n      })\r\n    })\r\n\r\n    if (isFunction(mounted)) {\r\n      mounted.call(this)\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  scrollTo(top, after) {\r\n    const el = this.$scrollElement\r\n\r\n    scrollTo(el, top, after)\r\n\r\n    return this\r\n  }\r\n\r\n  destroy() {\r\n    const hasAnchor = this.attr('hasAnchor')\r\n    const isAtStart = this.attr('isAtStart')\r\n    const beforeDestroy = this.attr('beforeDestroy')\r\n    const afterDestroy = this.attr('afterDestroy')\r\n    const $headings = this.$headings\r\n\r\n    if (isFunction(beforeDestroy)) {\r\n      beforeDestroy.call(this)\r\n    }\r\n\r\n    this.removeListeners()\r\n    $headings.forEach(($heading) => {\r\n      _resetHeading($heading, hasAnchor, isAtStart)\r\n    })\r\n\r\n    this.attr(Anchors.DEFAULTS)\r\n    this.$articleElement = null\r\n    this.$scrollElement = null\r\n    this.$headings = []\r\n    this.chapters = []\r\n\r\n    if (isFunction(afterDestroy)) {\r\n      afterDestroy.call(this)\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  onAnchorTrigger(evt) {\r\n    const anchorURL = this.attr('anchorURL')\r\n    const afterScroll = this.attr('afterScroll')\r\n    const stickyHeight = this.attr('stickyHeight')\r\n    const $anchor = evt.delegateTarget\r\n    const $heading = $anchor.parentNode\r\n    const top = offsetTop($heading) - (stickyHeight + 10)\r\n    const $scrollElement = this.$scrollElement\r\n    const min = 0\r\n    const max = $scrollElement.scrollHeight - $scrollElement.clientHeight\r\n    const after = () => {\r\n      if (isFunction(afterScroll)) {\r\n        afterScroll.call(this)\r\n      }\r\n\r\n      later(() => {\r\n        publish('toolbar:update', {\r\n          top,\r\n          min,\r\n          max\r\n        })\r\n      })\r\n    }\r\n\r\n    this.scrollTo(top, after)\r\n\r\n    if (!anchorURL) {\r\n      stop(evt)\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  addListeners() {\r\n    const $articleElement = this.$articleElement\r\n\r\n    on(\r\n      $articleElement,\r\n      '.outline-heading__anchor',\r\n      'click',\r\n      this.onAnchorTrigger,\r\n      this,\r\n      true\r\n    )\r\n\r\n    return this\r\n  }\r\n\r\n  removeListeners() {\r\n    const $articleElement = this.$articleElement\r\n\r\n    off($articleElement, 'click', this.onAnchorTrigger)\r\n\r\n    return this\r\n  }\r\n}\r\n\r\nAnchors.DEFAULTS = {\r\n  scrollElement: 'html,body',\r\n  articleElement: '#article',\r\n  selector: 'h1,h2,h3,h4,h5,h6',\r\n  stickyHeight: 0,\r\n  anchorURL: '',\r\n  hasAnchor: true,\r\n  isAtStart: true,\r\n  showCode: false,\r\n  created: null,\r\n  mounted: null,\r\n  afterScroll: null,\r\n  beforeDestroy: null,\r\n  afterDestroy: null\r\n}\r\n\r\nexport default Anchors\r\n","const toTree = (list, nodeKey, parentKey) => {\r\n  const map = {}\r\n  const roots = []\r\n\r\n  list.forEach((item, i) => {\r\n    // initialize the map\r\n    map[item[nodeKey]] = i\r\n    // initialize the children\r\n    item.children = []\r\n  })\r\n\r\n  list.forEach((item) => {\r\n    const node = list[map[item[parentKey]]]\r\n\r\n    if (item[parentKey] !== -1) {\r\n      // if you have dangling branches check that map[node.parentId] exists\r\n      node.children.push(item)\r\n    } else {\r\n      roots.push(item)\r\n    }\r\n  })\r\n\r\n  return roots\r\n}\r\n\r\nexport default toTree\r\n","import trim from './utils/lang/trim'\r\nimport createElement from './utils/dom/createElement'\r\nimport setAttribute from './utils/dom/setAttribute'\r\n\r\nimport { createSvgIcon } from './utils/icons'\r\n\r\nconst _updateHeading = ($heading, i, options) => {\r\n  const CLS_HEADING = 'outline-heading'\r\n  const hasAnchor = options.hasAnchor || true\r\n  const isAtStart = options.isAtStart || true\r\n  const showCode = options.showCode || false\r\n  const chapterCode = options.chapterCode || ''\r\n  const anchorURL = options.anchorURL || ''\r\n  const headingId = `heading-${i}`\r\n  const attrs = {\r\n    id: headingId,\r\n    className: isAtStart ? `${CLS_HEADING} ${CLS_HEADING}_start` : CLS_HEADING,\r\n    'data-id': i\r\n  }\r\n  const keys = Object.keys(attrs)\r\n  const text = trim($heading.innerHTML)\r\n  let $anchor\r\n  let $icon\r\n\r\n  keys.forEach((prop) => {\r\n    setAttribute($heading, prop, attrs[prop])\r\n  })\r\n\r\n  if (showCode) {\r\n    $heading.innerHTML = chapterCode + ' ' + text\r\n  }\r\n\r\n  if (!hasAnchor) {\r\n    return false\r\n  }\r\n\r\n  $icon = createSvgIcon('hash')\r\n  $anchor = createElement(\r\n    'a',\r\n    {\r\n      id: `anchor-${i}`,\r\n      className: `${CLS_HEADING}__anchor anchor-${i}`,\r\n      href: anchorURL ? anchorURL : `#${headingId}`,\r\n      target: anchorURL ? '_blank' : 'self',\r\n      'data-id': i\r\n    },\r\n    [$icon]\r\n  )\r\n  $heading.appendChild($anchor)\r\n}\r\n\r\nexport default _updateHeading\r\n","import hasClass from './hasClass'\r\n\r\n/**\r\n * 给 DOM 节点添加名为 className 的样式\r\n * ========================================================================\r\n * @method addClass\r\n * @param {HTMLElement} el - DOM 节点\r\n * @param {String} className - 样式名称\r\n * @returns {Boolean}\r\n */\r\nconst addClass = (el, className) => {\r\n  let classList\r\n  let allClass\r\n\r\n  if (hasClass(el, className)) {\r\n    return false\r\n  }\r\n\r\n  classList = el.classList\r\n\r\n  if (classList?.add) {\r\n    classList.add(className)\r\n  } else {\r\n    allClass = el.className\r\n    allClass += allClass.length > 0 ? ' ' + className : className\r\n    el.className = allClass\r\n  }\r\n}\r\n\r\nexport default addClass\r\n","const setProperty = (prop, value) => {\r\n  const documentElement = document.documentElement\r\n  documentElement.style.setProperty(prop, value)\r\n}\r\n\r\nexport default setProperty\r\n","import setProperty from './utils/dom/setProperty'\r\n\r\nlet index = 2000\r\n\r\nconst zIndex = (idx) => {\r\n  if (idx) {\r\n    index = idx\r\n  } else {\r\n    index += 1\r\n  }\r\n\r\n  setProperty('--outline-zIndex', `${index}`)\r\n\r\n  return index\r\n}\r\n\r\nexport default zIndex\r\n","import Base from './base'\r\n\r\nimport later from './utils/lang/later'\r\nimport isFunction from './utils/types/isFunction'\r\nimport addClass from './utils/dom/addClass'\r\nimport removeClass from './utils/dom/removeClass'\r\nimport createElement from './utils/dom/createElement'\r\nimport on from './utils/event/on'\r\nimport off from './utils/event/off'\r\n\r\nimport { paintSvgSprites, createSvgIcon } from './utils/icons'\r\nimport zIndex from './zIndex'\r\n\r\nclass Drawer extends Base {\r\n  constructor(options) {\r\n    super()\r\n\r\n    this.attrs = Drawer.DEFAULTS\r\n    this.title = ''\r\n    this.closed = true\r\n    this.$el = null\r\n    this.$modal = null\r\n    this.$header = null\r\n    this.$title = null\r\n    this.$close = null\r\n    this.$main = null\r\n    this.$footer = null\r\n    this.$overlay = null\r\n    this.zIndex = 0\r\n\r\n    if (options) {\r\n      this.initialize(options)\r\n    }\r\n  }\r\n\r\n  initialize(options) {\r\n    let created\r\n\r\n    this.attr(options)\r\n\r\n    this.title = this.attr('title')\r\n    created = this.attr('created')\r\n\r\n    if (isFunction(created)) {\r\n      created.call(this)\r\n    }\r\n\r\n    this.render().addListeners()\r\n    return this\r\n  }\r\n\r\n  setTitle(title) {\r\n    this.attr('title', title)\r\n    this.title = title\r\n    this.$title.innerHTML = title\r\n\r\n    return this\r\n  }\r\n\r\n  isClosed() {\r\n    return this.closed\r\n  }\r\n\r\n  render() {\r\n    const mounted = this.attr('mounted')\r\n    const size = this.attr('size')\r\n    const placement = this.attr('placement')\r\n    const hasClose = this.attr('hasClose')\r\n    const hasOverlay = this.attr('hasOverlay')\r\n    const hasOffset = this.attr('hasOffset')\r\n    const hasPadding = this.attr('hasPadding')\r\n    const autoHeight = this.attr('autoHeight')\r\n    const customClass = this.attr('customClass')\r\n    const $fragment = document.createDocumentFragment()\r\n    let $el\r\n    let $modal\r\n    let $header\r\n    let $title\r\n    let $close\r\n    let $main\r\n    let $footer\r\n    let $overlay\r\n\r\n    paintSvgSprites()\r\n    this.zIndex = zIndex()\r\n\r\n    $title = createElement(\r\n      'h2',\r\n      {\r\n        className: 'outline-drawer__title'\r\n      },\r\n      [this.title]\r\n    )\r\n    this.$title = $title\r\n\r\n    if (hasClose) {\r\n      $close = createElement(\r\n        'div',\r\n        {\r\n          className: 'outline-drawer__close'\r\n        },\r\n        [createSvgIcon('close', 20)]\r\n      )\r\n      this.$close = $close\r\n    }\r\n\r\n    $header = createElement(\r\n      'header',\r\n      {\r\n        className: 'outline-drawer__header'\r\n      },\r\n      [$title, $close]\r\n    )\r\n    this.$header = $header\r\n\r\n    $main = createElement(\r\n      'div',\r\n      {\r\n        className: 'outline-drawer__main'\r\n      },\r\n      ['']\r\n    )\r\n    this.$main = $main\r\n\r\n    if (!hasPadding) {\r\n      addClass($main, 'outline-drawer_full')\r\n    }\r\n\r\n    $footer = createElement(\r\n      'footer',\r\n      {\r\n        className: 'outline-drawer__footer'\r\n      },\r\n      ['']\r\n    )\r\n    this.$footer = $footer\r\n\r\n    $modal = createElement(\r\n      'div',\r\n      {\r\n        className: `outline-drawer__modal outline-drawer_${placement} outline-drawer_${size} outline-drawer_closed`\r\n      },\r\n      [$header, $main, $footer]\r\n    )\r\n    this.$modal = $modal\r\n\r\n    if (hasOffset) {\r\n      addClass($modal, 'outline-drawer_offset')\r\n    }\r\n\r\n    if (autoHeight) {\r\n      addClass($modal, 'outline-drawer_auto')\r\n    }\r\n\r\n    if (customClass) {\r\n      addClass($modal, customClass)\r\n    }\r\n\r\n    if (hasOverlay) {\r\n      $overlay = createElement(\r\n        'div',\r\n        {\r\n          className: 'outline-drawer__overlay'\r\n        },\r\n        ['']\r\n      )\r\n      this.$overlay = $overlay\r\n    }\r\n\r\n    $el = createElement(\r\n      'div',\r\n      {\r\n        className: `outline-drawer`\r\n      },\r\n      [$modal, $overlay]\r\n    )\r\n    this.$el = $el\r\n    $fragment.appendChild($el)\r\n    document.body.appendChild($fragment)\r\n\r\n    if (isFunction(mounted)) {\r\n      mounted.call(this)\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  open() {\r\n    const opened = this.attr('afterOpened')\r\n    const $modal = this.$modal\r\n\r\n    addClass(this.$el, 'outline-drawer_opened')\r\n    removeClass($modal, 'outline-drawer_closed')\r\n    addClass($modal, 'outline-drawer_opened')\r\n\r\n    later(() => {\r\n      this.closed = false\r\n\r\n      if (isFunction(opened)) {\r\n        opened.call(this)\r\n      }\r\n    })\r\n\r\n    return this\r\n  }\r\n\r\n  close() {\r\n    const closed = this.attr('afterClosed')\r\n    const $modal = this.$modal\r\n\r\n    removeClass($modal, 'outline-drawer_opened')\r\n    addClass($modal, 'outline-drawer_closed')\r\n\r\n    later(() => {\r\n      removeClass(this.$el, 'outline-drawer_opened')\r\n      this.closed = true\r\n\r\n      if (isFunction(closed)) {\r\n        closed.call(this)\r\n      }\r\n    })\r\n\r\n    return this\r\n  }\r\n\r\n  toggle() {\r\n    const afterToggle = this.attr('afterToggle')\r\n    const closed = this.isClosed()\r\n\r\n    if (closed) {\r\n      this.open()\r\n    } else {\r\n      this.close()\r\n    }\r\n\r\n    if (isFunction(afterToggle)) {\r\n      later(() => {\r\n        afterToggle.call(this, closed)\r\n      })\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  destroy() {\r\n    const afterDestroy = this.attr('afterDestroy')\r\n    const beforeDestroy = this.attr('beforeDestroy')\r\n    let index = this.zIndex\r\n\r\n    if (isFunction(beforeDestroy)) {\r\n      beforeDestroy.call(this)\r\n    }\r\n\r\n    this.removeListeners()\r\n\r\n    this.attrs = Drawer.DEFAULTS\r\n    this.title = ''\r\n    this.closed = false\r\n    this.$el = null\r\n    this.$modal = null\r\n    this.$header = null\r\n    this.$title = null\r\n    this.$close = null\r\n    this.$main = null\r\n    this.$footer = null\r\n    this.$overlay = null\r\n\r\n    index -= 1\r\n    zIndex(index)\r\n    this.zIndex = 0\r\n\r\n    if (isFunction(afterDestroy)) {\r\n      afterDestroy.call(this)\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  addListeners() {\r\n    const hasClose = this.attr('hasClose')\r\n    const hasOverlay = this.attr('hasOverlay')\r\n    const $el = this.$el\r\n\r\n    if (hasClose) {\r\n      on($el, '.outline-drawer__close', 'click', this.onClose, this, true)\r\n    }\r\n\r\n    if (hasOverlay) {\r\n      on($el, '.outline-drawer__overlay', 'click', this.onClose, this, true)\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  removeListeners() {\r\n    const hasClose = this.attr('hasClose')\r\n    const hasOverlay = this.attr('hasOverlay')\r\n    const $el = this.$el\r\n\r\n    if (!hasClose && !hasOverlay) {\r\n      return this\r\n    }\r\n\r\n    off($el, 'click', this.onClose)\r\n\r\n    return this\r\n  }\r\n\r\n  onClose() {\r\n    this.close()\r\n    return this\r\n  }\r\n}\r\n\r\nDrawer.DEFAULTS = {\r\n  placement: 'rtl',\r\n  title: '标题',\r\n  size: 'regular',\r\n  hasClose: true,\r\n  hasOverlay: true,\r\n  hasOffset: false,\r\n  hasPadding: true,\r\n  autoHeight: true,\r\n  created: null,\r\n  mounted: null,\r\n  afterClosed: null,\r\n  afterOpened: null,\r\n  afterScroll: null,\r\n  beforeDestroy: null,\r\n  afterDestroy: null,\r\n  afterToggle: null\r\n}\r\n\r\nexport default Drawer\r\n","import isFunction from '../types/isFunction'\r\nimport off from './off'\r\n\r\nimport { CAPTURE_EVENTS } from './enum'\r\n\r\n/**\r\n * 绑定事件\r\n * ========================================================================\r\n * @method at\r\n * @param {HTMLElement|String|Object} el - （必须）绑定代理事件的 DOM 节点\r\n * @param {String|Function} type - （必须）事件类型或者事件处理器回调函数\r\n * @param {Function|Object} fn - （必须） 事件处理器回调函数或者传递给事件处理器回调函数的数据对象\r\n * @param {Object|Boolean} [data] - （可选）传递给事件处理器回调函数的数据对象或者事件处理器回调函数的 this 上下文指向，\r\n * @param {Object|Boolean} [context] - （可选）事件处理器回调函数的 this 上下文指向，或者是否仅触发一次\r\n * 当设置为 true 时，则事件处理器回调函数的 this 上下文指向为 data 对象\r\n * @param {Boolean} once - （可选）是否仅触发一次\r\n */\r\nconst at = (el, type, fn, data, context, once = false) => {\r\n  // CAPTURE_EVENTS 中的特殊事件，采用事件捕获模型\r\n  const capture = CAPTURE_EVENTS.indexOf(type) > -1\r\n  const listener = function (evt) {\r\n    let overrideContext = context || el\r\n\r\n    // 当设置为 true 时，则事件处理器回调函数的\r\n    // this 上下文指向为 data 对象\r\n    if (context === true) {\r\n      overrideContext = data\r\n    }\r\n\r\n    // 仅触发一次\r\n    /* istanbul ignore else */\r\n    if (once === true) {\r\n      off(el, type, listener)\r\n    }\r\n\r\n    fn.call(overrideContext, evt, data)\r\n  }\r\n\r\n  if (!isFunction(fn)) {\r\n    return false\r\n  }\r\n\r\n  if (!el._listeners) {\r\n    el._listeners = []\r\n  }\r\n\r\n  // 缓存 options 元素绑定的事件处理器\r\n  el._listeners.push({\r\n    el,\r\n    type,\r\n    fn: listener,\r\n    data,\r\n    context,\r\n    capture\r\n  })\r\n\r\n  // 缓存包装后的事件处理器\r\n  fn._delegateListener = listener\r\n\r\n  el.addEventListener(type, listener, capture)\r\n}\r\n\r\nexport default at\r\n","import Base from './base'\r\n\r\nimport isString from './utils/types/isString'\r\nimport isFunction from './utils/types/isFunction'\r\nimport isElement from './utils/types/isElement'\r\nimport later from './utils/lang/later'\r\nimport at from './utils/event/at'\r\nimport on from './utils/event/on'\r\nimport off from './utils/event/off'\r\nimport stop from './utils/event/stop'\r\nimport createElement from './utils/dom/createElement'\r\nimport scrollTo from './utils/dom/scrollTo'\r\nimport addClass from './utils/dom/addClass'\r\nimport intersection from './utils/dom/intersection'\r\nimport removeClass from './utils/dom/removeClass'\r\nimport offsetTop from './utils/dom/offsetTop'\r\nimport setProperty from './utils/dom/setProperty'\r\nimport publish from './utils/observer/emit'\r\n\r\nimport _getScrollElement from './utils/dom/_getScrollElement'\r\nimport _paintChapters from './_paintChapters'\r\n\r\nclass Chapters extends Base {\r\n  constructor(options) {\r\n    super()\r\n\r\n    this.attrs = Chapters.DEFAULTS\r\n    this.$el = null\r\n    this.$title = null\r\n    this.$main = null\r\n    this.$list = null\r\n    this.$placeholder = null\r\n    this.$parentElement = null\r\n    this.$scrollElement = null\r\n    this.chapters = []\r\n    this.closed = false\r\n    this.active = 0\r\n    this.offsetTop = 0\r\n    this.offsetWidth = 0\r\n    this.$active = null\r\n    this.scrollTimer = null\r\n    this.resizeTimer = null\r\n    this.playing = false\r\n\r\n    if (options) {\r\n      this.initialize(options)\r\n    }\r\n  }\r\n\r\n  initialize(options) {\r\n    let created\r\n    let parentElement\r\n    let scrollElement\r\n    let $parent\r\n\r\n    this.attr(options)\r\n    created = this.attr('created')\r\n    parentElement = this.attr('parentElement')\r\n    scrollElement = this.attr('scrollElement')\r\n\r\n    if (isString(parentElement)) {\r\n      $parent = document.querySelector(parentElement)\r\n    } else if (isElement(parentElement)) {\r\n      $parent = parentElement\r\n    }\r\n    this.$parentElement = $parent\r\n    this.$scrollElement = _getScrollElement(scrollElement)\r\n\r\n    this.chapters = this.attr('chapters')\r\n    this.closed = this.attr('closed')\r\n    this.active = this.attr('active')\r\n\r\n    if (isFunction(created)) {\r\n      created.call(this)\r\n    }\r\n\r\n    if (this.chapters.length < 1) {\r\n      return this\r\n    }\r\n\r\n    this.render().addListeners()\r\n\r\n    this.$active = document.querySelector(`#chapter-${this.active}`)\r\n\r\n    return this\r\n  }\r\n\r\n  isClosed() {\r\n    return this.closed\r\n  }\r\n\r\n  isSticky() {\r\n    const position = this.attr('position')\r\n    return position === 'sticky'\r\n  }\r\n\r\n  isFixed() {\r\n    const position = this.attr('position')\r\n    return position === 'fixed'\r\n  }\r\n\r\n  isInside() {\r\n    return this.isFixed() || this.isSticky()\r\n  }\r\n\r\n  isOutside() {\r\n    return !this.isInside()\r\n  }\r\n\r\n  _paintEdge() {\r\n    const STICKY = 'outline-chapters_sticky'\r\n    const FIXED = 'outline-chapters_fixed'\r\n    const HIDDEN = 'outline-chapters_hidden'\r\n    const title = this.attr('title')\r\n    const customClass = this.attr('customClass')\r\n    const $parentElement = this.$parentElement\r\n    const contents = []\r\n    let $title = null\r\n    let $el\r\n    let $main\r\n    let $list\r\n    let $placeholder\r\n\r\n    if (!$parentElement) {\r\n      return this\r\n    }\r\n\r\n    if (this.isInside()) {\r\n      $title = createElement(\r\n        'h2',\r\n        {\r\n          className: 'outline-chapters__title'\r\n        },\r\n        [title]\r\n      )\r\n      this.$title = $title\r\n      contents.push($title)\r\n    }\r\n\r\n    $list = createElement(\r\n      'ul',\r\n      {\r\n        // 为优化性能，添加了 _fixed 和 _hidden\r\n        // fixed 为了让 $list 脱离流布局\r\n        // hidden 让 $list 不可见\r\n        className: `outline-chapters__list ${FIXED} ${HIDDEN}`\r\n      },\r\n      ['']\r\n    )\r\n    this.$list = $list\r\n\r\n    $placeholder = createElement(\r\n      'div',\r\n      {\r\n        className: 'outline-chapters__placeholder'\r\n      },\r\n      ['']\r\n    )\r\n    this.$placeholder = $placeholder\r\n\r\n    $main = createElement(\r\n      'div',\r\n      {\r\n        className: 'outline-chapters__main'\r\n      },\r\n      [$list, $placeholder]\r\n    )\r\n    this.$main = $main\r\n    contents.push($main)\r\n\r\n    $el = createElement(\r\n      'nav',\r\n      {\r\n        id: 'outline-chapters',\r\n        className: 'outline-chapters'\r\n      },\r\n      contents\r\n    )\r\n    this.$el = $el\r\n\r\n    if (this.isSticky()) {\r\n      this.calculateStickyHeight()\r\n      addClass($el, STICKY)\r\n    }\r\n\r\n    if (customClass) {\r\n      addClass($el, customClass)\r\n    }\r\n\r\n    $parentElement.appendChild($el)\r\n\r\n    return this\r\n  }\r\n\r\n  render() {\r\n    const FIXED = 'outline-chapters_fixed'\r\n    const HIDDEN = 'outline-chapters_hidden'\r\n    const showCode = this.attr('showCode')\r\n    const mounted = this.attr('mounted')\r\n    const $parentElement = this.$parentElement\r\n    let $el\r\n    let $list\r\n\r\n    if (!$parentElement) {\r\n      return this\r\n    }\r\n\r\n    this._paintEdge()\r\n\r\n    $list = this.$list\r\n    _paintChapters($list, this.chapters, showCode)\r\n    removeClass($list, FIXED)\r\n    removeClass($list, HIDDEN)\r\n\r\n    $el = this.$el\r\n    this.offsetTop = offsetTop($el)\r\n    this.offsetWidth = $el.offsetWidth\r\n\r\n    if (this.isFixed()) {\r\n      this.sticky()\r\n      setProperty('--outline-chapters-width', `${this.offsetWidth}px`)\r\n    }\r\n\r\n    if (isFunction(mounted)) {\r\n      mounted.call(this)\r\n    }\r\n\r\n    this.onObserver()\r\n\r\n    return this\r\n  }\r\n\r\n  highlight(id) {\r\n    const $anchor = this.$el.querySelector(`#chapter__anchor-${id}`)\r\n    const HIGHLIGHT = 'outline-chapters_active'\r\n    const $placeholder = this.$placeholder\r\n    let top\r\n\r\n    if (this.$active) {\r\n      removeClass(this.$active, HIGHLIGHT)\r\n    }\r\n\r\n    this.active = parseInt($anchor.getAttribute('data-id'), 10)\r\n    this.$active = $anchor\r\n    addClass(this.$active, HIGHLIGHT)\r\n\r\n    top = 30 * this.active\r\n    $placeholder.style.top = `calc(0.5em + ${top}px)`\r\n\r\n    return this\r\n  }\r\n\r\n  sticky() {\r\n    const afterSticky = this.attr('afterSticky')\r\n    const FIXED = 'outline-chapters_fixed'\r\n    const $el = this.$el\r\n    const top = this.offsetTop\r\n    const scrollTop = this.$scrollElement.scrollTop\r\n    let isStickying\r\n\r\n    if (!this.isFixed()) {\r\n      return this\r\n    }\r\n\r\n    isStickying = !!(scrollTop >= top)\r\n\r\n    if (isStickying) {\r\n      addClass($el, FIXED)\r\n    } else {\r\n      removeClass($el, FIXED)\r\n    }\r\n\r\n    if (isFunction(afterSticky)) {\r\n      afterSticky.call(this, this.isClosed(), isStickying)\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  calculateStickyHeight() {\r\n    const documentElement = document.documentElement\r\n    const height = Math.max(\r\n      documentElement.clientHeight || 0,\r\n      window.innerHeight || 0\r\n    )\r\n    setProperty('--outline-sticky-height', `${height}px`)\r\n    return this\r\n  }\r\n\r\n  scrollTo(top, after) {\r\n    const el = this.$scrollElement\r\n\r\n    scrollTo(el, top, after)\r\n\r\n    return this\r\n  }\r\n\r\n  show() {\r\n    const FOLDED = 'outline-chapters_folded'\r\n    const HIDDEN = 'outline-chapters_hidden'\r\n    const opened = this.attr('afterOpened')\r\n    const $el = this.$el\r\n    const $parent = this.$parentElement\r\n\r\n    if (this.isInside()) {\r\n      removeClass($parent, HIDDEN)\r\n      removeClass($el, HIDDEN)\r\n      later(() => {\r\n        removeClass($parent, FOLDED)\r\n        removeClass($el, FOLDED)\r\n      }, 30)\r\n    } else {\r\n      removeClass($el, HIDDEN)\r\n    }\r\n    this.closed = false\r\n\r\n    if (isFunction(opened)) {\r\n      opened.call(this)\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  hide() {\r\n    const FOLDED = 'outline-chapters_folded'\r\n    const HIDDEN = 'outline-chapters_hidden'\r\n    const closed = this.attr('afterClosed')\r\n    const $el = this.$el\r\n    const $parent = this.$parentElement\r\n\r\n    if (this.isInside()) {\r\n      addClass($parent, FOLDED)\r\n      addClass($el, FOLDED)\r\n      later(() => {\r\n        addClass($parent, HIDDEN)\r\n        addClass($el, HIDDEN)\r\n      })\r\n    } else {\r\n      addClass($el, HIDDEN)\r\n    }\r\n    this.closed = true\r\n\r\n    if (isFunction(closed)) {\r\n      closed.call(this)\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  toggle() {\r\n    const afterToggle = this.attr('afterToggle')\r\n    const top = this.offsetTop\r\n    const scrollTop = this.$scrollElement.scrollTop\r\n    let isStickying\r\n\r\n    if (this.isClosed()) {\r\n      this.show()\r\n    } else {\r\n      this.hide()\r\n    }\r\n\r\n    if (isFunction(afterToggle)) {\r\n      later(() => {\r\n        isStickying = !!(scrollTop >= top)\r\n        afterToggle.call(this, this.isClosed(), isStickying)\r\n      })\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  destroy() {\r\n    const beforeDestroy = this.attr('beforeDestroy')\r\n    const afterDestroy = this.attr('afterDestroy')\r\n\r\n    if (isFunction(beforeDestroy)) {\r\n      beforeDestroy.call(this)\r\n    }\r\n\r\n    this.removeListeners()\r\n    this.$parentElement.removeChild(this.$el)\r\n\r\n    this.attr(Chapters.DEFAULTS)\r\n    this.$el = null\r\n    this.$title = null\r\n    this.$main = null\r\n    this.$list = null\r\n    this.$placeholder = null\r\n    this.$parentElement = null\r\n    this.$scrollElement = null\r\n    this.chapters = []\r\n    this.active = 0\r\n    this.offsetTop = 0\r\n    this.$active = null\r\n    this.closed = false\r\n\r\n    if (this.scrollTimer) {\r\n      clearTimeout(this.scrollTimer)\r\n      this.scrollTimer = null\r\n    }\r\n\r\n    if (this.resizeTimer) {\r\n      clearTimeout(this.resizeTimer)\r\n      this.resizeTimer = null\r\n    }\r\n\r\n    if (isFunction(afterDestroy)) {\r\n      afterDestroy.call(this)\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  onObserver() {\r\n    let timer = null\r\n\r\n    intersection(\r\n      ($heading) => {\r\n        const id = $heading.getAttribute('data-id')\r\n\r\n        if (this.playing) {\r\n          return false\r\n        }\r\n\r\n        if (timer) {\r\n          clearTimeout(timer)\r\n        }\r\n\r\n        timer = later(() => {\r\n          this.highlight(id)\r\n        }, 100)\r\n      },\r\n      { context: this }\r\n    )\r\n\r\n    return this\r\n  }\r\n\r\n  onSelect(evt) {\r\n    const stickyHeight = this.attr('stickyHeight')\r\n    const $anchor = evt.delegateTarget\r\n    const id = $anchor.getAttribute('data-id')\r\n    const headingId = $anchor.href.split('#')[1]\r\n    const $heading = document.querySelector(`#${headingId}`)\r\n    const top = offsetTop($heading) - (stickyHeight + 10)\r\n    const min = 0\r\n    const max = this.$scrollElement.scrollHeight\r\n    const afterScroll = this.attr('afterScroll')\r\n    const after = () => {\r\n      if (isFunction(afterScroll)) {\r\n        afterScroll.call(this)\r\n      }\r\n\r\n      later(() => {\r\n        this.playing = false\r\n        publish('toolbar:update', {\r\n          top,\r\n          min,\r\n          max\r\n        })\r\n      })\r\n    }\r\n\r\n    this.playing = true\r\n    if (this.isFixed()) {\r\n      this.sticky()\r\n      later(() => {\r\n        this.scrollTo(top, after)\r\n        this.highlight(id)\r\n      }, 10)\r\n    } else {\r\n      this.scrollTo(top, after)\r\n      this.highlight(id)\r\n    }\r\n\r\n    stop(evt)\r\n\r\n    return this\r\n  }\r\n\r\n  onScroll() {\r\n    const $scrollElement = this.$scrollElement\r\n\r\n    if (this.scrollTimer) {\r\n      clearTimeout(this.scrollTimer)\r\n    }\r\n\r\n    this.scrollTimer = later(() => {\r\n      const top = $scrollElement.scrollTop\r\n      const min = 0\r\n      const max = $scrollElement.scrollHeight - $scrollElement.clientHeight\r\n\r\n      if (this.isFixed()) {\r\n        this.sticky()\r\n      }\r\n\r\n      publish('toolbar:update', {\r\n        top,\r\n        min,\r\n        max\r\n      })\r\n    }, 50)\r\n\r\n    return this\r\n  }\r\n\r\n  onResize() {\r\n    if (this.resizeTimer) {\r\n      clearTimeout(this.resizeTimer)\r\n    }\r\n\r\n    this.resizeTimer = later(() => {\r\n      this.calculateStickyHeight()\r\n    })\r\n\r\n    return this\r\n  }\r\n\r\n  addListeners() {\r\n    const $el = this.$el\r\n    const $scrollElement = this.$scrollElement\r\n    const tagName = $scrollElement.tagName.toLowerCase()\r\n    let $element = $scrollElement\r\n\r\n    if (tagName === 'html' || tagName === 'body') {\r\n      $element = window\r\n    }\r\n\r\n    on($el, '.outline-chapters__anchor', 'click', this.onSelect, this, true)\r\n    at($element, 'scroll', this.onScroll, this, true)\r\n    if (this.isSticky()) {\r\n      at($element, 'resize', this.onResize, this, true)\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  removeListeners() {\r\n    const $el = this.$el\r\n    const $scrollElement = this.$scrollElement\r\n    const tagName = $scrollElement.tagName.toLowerCase()\r\n    let $element = $scrollElement\r\n\r\n    if (tagName === 'html' || tagName === 'body') {\r\n      $element = window\r\n    }\r\n\r\n    off($el, 'click', this.onSelect)\r\n    off($element, 'scroll', this.onScroll)\r\n    if (this.isSticky()) {\r\n      at($element, 'resize', this.onResize)\r\n    }\r\n\r\n    return this\r\n  }\r\n}\r\n\r\nChapters.DEFAULTS = {\r\n  parentElement: '',\r\n  scrollElement: '',\r\n  selector: '',\r\n  active: 0,\r\n  closed: false,\r\n  showCode: true,\r\n  position: 'relative',\r\n  stickyHeight: 0,\r\n  chapters: [],\r\n  created: null,\r\n  mounted: null,\r\n  afterClosed: null,\r\n  afterOpened: null,\r\n  afterScroll: null,\r\n  beforeDestroy: null,\r\n  afterDestroy: null,\r\n  afterSticky: null\r\n}\r\n\r\nexport default Chapters\r\n","import createElement from './utils/dom/createElement'\r\n\r\nconst _paintChapters = ($list, chapters, showCode = false) => {\r\n  const byId = (id) => document.getElementById(id)\r\n\r\n  chapters.forEach((chapter) => {\r\n    const pid = chapter.pid\r\n    const id = chapter.id\r\n    const rel = chapter.rel\r\n    const $text = createElement(\r\n      'span',\r\n      {\r\n        className: 'outline-chapters__text'\r\n      },\r\n      [chapter.text]\r\n    )\r\n    const $link = createElement(\r\n      'a',\r\n      {\r\n        id: `chapter__anchor-${id}`,\r\n        className: 'outline-chapters__anchor',\r\n        href: '#' + rel,\r\n        rel: rel,\r\n        'data-id': id\r\n      },\r\n      [$text]\r\n    )\r\n    let $code\r\n    let $li\r\n    let $ul\r\n    let $parent\r\n\r\n    if (showCode) {\r\n      $code = createElement(\r\n        'span',\r\n        {\r\n          className: 'outline-chapters__code',\r\n          'data-id': id\r\n        },\r\n        [chapter.code]\r\n      )\r\n\r\n      $link.insertBefore($code, $link.firstChild)\r\n    }\r\n\r\n    $li = createElement(\r\n      'li',\r\n      {\r\n        id: `chapter-${id}`,\r\n        className: 'outline-chapters__item',\r\n        'data-id': id\r\n      },\r\n      [$link]\r\n    )\r\n\r\n    if (pid === -1) {\r\n      $list.appendChild($li)\r\n    } else {\r\n      $parent = byId(`chapter-${pid}`)\r\n      $ul = byId(`subject-${pid}`)\r\n\r\n      if (!$ul) {\r\n        $ul = createElement(\r\n          'ul',\r\n          {\r\n            id: 'subject-' + pid,\r\n            className: 'outline-chapters__subject'\r\n          },\r\n          [$li]\r\n        )\r\n\r\n        $parent.appendChild($ul)\r\n      } else {\r\n        $ul.appendChild($li)\r\n      }\r\n    }\r\n  })\r\n}\r\n\r\nexport default _paintChapters\r\n","import isFunction from '../types/isFunction'\r\nimport isElement from '../types/isElement'\r\n\r\n/**\r\n * 通用的 IntersectionObserver 观察者处理器\r\n * ========================================================================\r\n * @method intersection\r\n * @param {Function} fn\r\n * @param {Object} [props]\r\n * @param {Object|HTMLElement} [props.root]\r\n * @param {String} [props.selector]\r\n * @param {Object} [props.context]\r\n * @param {String} [props.attr]\r\n * @param {String} [props.rootMargin]\r\n */\r\nconst intersection = (fn, props = {}) => {\r\n  const root = props.root || null\r\n  const selector = props.selector || '.outline-heading'\r\n  const context = props.context || null\r\n  const rootMargin = props.rootMargin || '0px 0px -90% 0px'\r\n  const options = {\r\n    rootMargin: rootMargin\r\n  }\r\n  const Observer = new IntersectionObserver((entries) => {\r\n    entries.forEach((entry) => {\r\n      if (entry.intersectionRatio > 0) {\r\n        if (isFunction(fn)) {\r\n          fn.call(context || entry.target, entry.target)\r\n        }\r\n      }\r\n    })\r\n  }, options)\r\n  const $root = isElement(root) ? root : document\r\n\r\n  if (root) {\r\n    options.root = root\r\n  }\r\n\r\n  $root.querySelectorAll(selector).forEach((section) => {\r\n    Observer.observe(section)\r\n  })\r\n}\r\n\r\nexport default intersection\r\n","import { createSvgIcon } from './utils/icons'\r\nimport createElement from './utils/dom/createElement'\r\nimport addClass from './utils/dom/addClass'\r\n\r\nconst _createButton = (button, rounded = true) => {\r\n  const $icon = createSvgIcon(button.icon, button.size)\r\n  const $anchor = createElement(\r\n    'a',\r\n    {\r\n      className: `outline-toolbar__anchor`,\r\n      href: button.link\r\n    },\r\n    [$icon]\r\n  )\r\n  const $button = createElement(\r\n    'div',\r\n    {\r\n      className: `outline-toolbar__button ${button.name}`\r\n    },\r\n    [button.link ? $anchor : $icon]\r\n  )\r\n\r\n  addClass($icon, 'outline-toolbar__icon')\r\n\r\n  if (rounded) {\r\n    addClass($button, 'outline-toolbar_rounded')\r\n  }\r\n\r\n  if (button.disabled) {\r\n    addClass($button, 'outline-toolbar_disabled')\r\n  }\r\n\r\n  return $button\r\n}\r\n\r\nexport default _createButton\r\n","import Base from './base'\r\n\r\nimport isString from './utils/types/isString'\r\nimport isFunction from './utils/types/isFunction'\r\nimport isObject from './utils/types/isObject'\r\nimport isArray from './utils/types/isArray'\r\nimport later from './utils/lang/later'\r\nimport createElement from './utils/dom/createElement'\r\nimport addClass from './utils/dom/addClass'\r\nimport hasClass from './utils/dom/hasClass'\r\nimport removeClass from './utils/dom/removeClass'\r\nimport on from './utils/event/on'\r\nimport off from './utils/event/off'\r\nimport publish from './utils/observer/emit'\r\nimport { paintSvgSprites } from './utils/icons'\r\n\r\nimport _createButton from './_createButton'\r\n\r\nconst DISABLED = 'outline-toolbar_disabled'\r\nconst HIDDEN = 'outline-toolbar_hidden'\r\n\r\nclass Toolbar extends Base {\r\n  constructor(options) {\r\n    super()\r\n\r\n    this.attrs = Toolbar.DEFAULTS\r\n    this.$el = null\r\n    this.disabled = false\r\n    this.closed = false\r\n    this.buttons = []\r\n\r\n    if (options) {\r\n      this.initialize(options)\r\n    }\r\n  }\r\n\r\n  initialize(options) {\r\n    let created\r\n\r\n    this.attr(options)\r\n    created = this.attr('created')\r\n    this.disabled = this.attr('disabled')\r\n    this.closed = this.attr('closed')\r\n\r\n    if (isFunction(created)) {\r\n      created.call(this)\r\n    }\r\n\r\n    this.render().addListeners()\r\n\r\n    return this\r\n  }\r\n\r\n  isDisabled(name) {\r\n    const buttons = this.attr('buttons')\r\n    let button\r\n\r\n    if (name) {\r\n      button = buttons.find((option) => option.name === name)\r\n\r\n      return !!(button && button.disabled)\r\n    }\r\n\r\n    return this.disabled\r\n  }\r\n\r\n  isClosed() {\r\n    return this.closed\r\n  }\r\n\r\n  highlight(name) {\r\n    const button = this.buttons.find((item) => item.name === name)\r\n    const ACTIVE = 'outline-toolbar_active'\r\n    let $button\r\n\r\n    if ($button) {\r\n      return this\r\n    }\r\n\r\n    $button = button.$el\r\n\r\n    if (hasClass($button, ACTIVE)) {\r\n      removeClass($button, ACTIVE)\r\n    } else {\r\n      addClass($button, ACTIVE)\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  render() {\r\n    const mounted = this.attr('mounted')\r\n    const buttons = this.attr('buttons') || []\r\n    const rounded = this.attr('rounded')\r\n    const placement = this.attr('placement')\r\n    const $buttons = document.createDocumentFragment()\r\n    const $fragment = document.createDocumentFragment()\r\n\r\n    paintSvgSprites()\r\n\r\n    buttons.forEach((button) => {\r\n      const $button = _createButton(button, rounded)\r\n\r\n      $buttons.appendChild($button)\r\n      this.buttons.push({\r\n        name: button.name,\r\n        $el: $button\r\n      })\r\n    })\r\n\r\n    this.$el = createElement(\r\n      'div',\r\n      {\r\n        id: 'outline-toolbar',\r\n        className: `outline-toolbar outline-toolbar_${placement}`\r\n      },\r\n      [$buttons]\r\n    )\r\n    $fragment.appendChild(this.$el)\r\n    document.body.appendChild($fragment)\r\n\r\n    if (this.closed) {\r\n      this.hide()\r\n    }\r\n\r\n    if (this.disabled) {\r\n      this.disable()\r\n    }\r\n\r\n    if (isFunction(mounted)) {\r\n      mounted.call(this)\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  add(button) {\r\n    const $el = this.$el\r\n    const buttons = this.attr('buttons')\r\n    const action = button.action\r\n    const $fragment = document.createDocumentFragment()\r\n    let type\r\n\r\n    if (isObject(button)) {\r\n      buttons.push(button)\r\n      $fragment.appendChild(_createButton(button))\r\n    } else if (isArray(button)) {\r\n      button.forEach((item) => {\r\n        $fragment.appendChild(_createButton(item))\r\n      })\r\n    }\r\n    $el.appendChild($fragment)\r\n\r\n    if (action && isFunction(action.handler)) {\r\n      type = action.type || 'click'\r\n      on($el, `.${button.name}`, type, action.handler)\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  remove(name) {\r\n    const $el = this.$el\r\n    const buttons = this.attr('buttons')\r\n    const button = buttons.find((option) => option.name === name)\r\n    let index = -1\r\n    let $button\r\n\r\n    if (!button) {\r\n      return this\r\n    }\r\n\r\n    buttons.forEach((button, i) => {\r\n      if (button.name === name) {\r\n        index = i\r\n      }\r\n    })\r\n\r\n    if (index > -1) {\r\n      this.attr().buttons.splice(index, 1)\r\n    }\r\n\r\n    $button = $el.querySelector(`.${name}`)\r\n    this.switch(name, false)\r\n    $el.removeChild($button)\r\n\r\n    return this\r\n  }\r\n\r\n  switch(name, enabled) {\r\n    const $el = this.$el\r\n    const buttons = this.attr('buttons')\r\n    const button = buttons.find((option) => option.name === name)\r\n    let action\r\n    let type\r\n    let listener\r\n    let $button\r\n\r\n    if (!button) {\r\n      return this\r\n    }\r\n\r\n    buttons.forEach((option) => {\r\n      if (option.name === name) {\r\n        button.disabled = !enabled\r\n      }\r\n    })\r\n\r\n    action = button.action\r\n    $button = $el.querySelector(`.${name}`)\r\n\r\n    if (action) {\r\n      type = action.type || 'click'\r\n      listener = action.handler\r\n    }\r\n\r\n    if (enabled) {\r\n      removeClass($button, DISABLED)\r\n\r\n      if (type && listener) {\r\n        on($el, `.${name}`, type, listener)\r\n      }\r\n    } else {\r\n      addClass($button, DISABLED)\r\n\r\n      if (type && listener) {\r\n        off($el, type, listener)\r\n      }\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  disable(name) {\r\n    const disabled = this.attr('afterDisabled')\r\n\r\n    if (name) {\r\n      this.switch(name, false)\r\n    } else {\r\n      addClass(this.$el, DISABLED)\r\n      this.removeListeners()\r\n      this.disabled = true\r\n\r\n      if (isFunction(disabled)) {\r\n        disabled.call(this)\r\n      }\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  enable(name) {\r\n    const enabled = this.attr('afterEnabled')\r\n\r\n    if (name) {\r\n      this.switch(name, true)\r\n    } else {\r\n      this.disabled = false\r\n      removeClass(this.$el, DISABLED)\r\n      this.addListeners()\r\n\r\n      if (isFunction(enabled)) {\r\n        enabled.call(this)\r\n      }\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  show(name) {\r\n    const opened = this.attr('afterOpened')\r\n    const button = this.attr('buttons').find((option) => option.name === name)\r\n    const $el = this.$el\r\n    let $button\r\n\r\n    if (name) {\r\n      if (!button) {\r\n        return this\r\n      }\r\n\r\n      $button = $el.querySelector(`.${name}`)\r\n      removeClass($button, HIDDEN)\r\n    } else {\r\n      removeClass($el, HIDDEN)\r\n      this.closed = false\r\n\r\n      if (isFunction(opened)) {\r\n        later(() => {\r\n          opened.call(this)\r\n        }, 310)\r\n      }\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  hide(name) {\r\n    const closed = this.attr('afterClosed')\r\n    const button = this.attr('buttons').find((option) => option.name === name)\r\n    const $el = this.$el\r\n    let $button\r\n\r\n    if (name) {\r\n      if (!button) {\r\n        return this\r\n      }\r\n      $button = $el.querySelector(`.${name}`)\r\n      addClass($button, HIDDEN)\r\n    } else {\r\n      addClass($el, HIDDEN)\r\n      this.closed = true\r\n\r\n      if (isFunction(closed)) {\r\n        later(() => {\r\n          closed.call(this)\r\n        }, 310)\r\n      }\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  toggle() {\r\n    if (this.isClosed()) {\r\n      this.show()\r\n    } else {\r\n      this.hide()\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  destroy() {\r\n    const beforeDestroy = this.attr('beforeDestroy')\r\n    const afterDestroy = this.attr('afterDestroy')\r\n    let $el = this.$el\r\n\r\n    if (isFunction(beforeDestroy)) {\r\n      beforeDestroy.call(this)\r\n    }\r\n\r\n    this.removeListeners()\r\n    document.body.removeChild($el)\r\n    $el = null\r\n\r\n    this.attr(Toolbar.DEFAULTS)\r\n    this.disabled = false\r\n    this.closed = false\r\n    this.buttons = []\r\n\r\n    if (isFunction(afterDestroy)) {\r\n      afterDestroy.call(this)\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  refresh() {\r\n    const $el = this.$el\r\n    const buttons = this.attr('buttons') || []\r\n\r\n    this.removeListeners()\r\n    $el.innerHTML = ''\r\n\r\n    buttons.forEach((button) => {\r\n      this.$el.appendChild(_createButton(button))\r\n    })\r\n\r\n    this.addListeners()\r\n\r\n    return this\r\n  }\r\n\r\n  addListeners() {\r\n    const buttons = this.attr('buttons')\r\n    const $el = this.$el\r\n\r\n    if (!buttons || buttons.length < 1) {\r\n      return this\r\n    }\r\n\r\n    buttons.forEach((button) => {\r\n      const action = button.action\r\n      const disabled = this.disabled\r\n      let type\r\n      let listener\r\n      let context\r\n      let command\r\n\r\n      if (disabled) {\r\n        return false\r\n      }\r\n\r\n      if (action) {\r\n        listener = action.handler\r\n        if (isString(listener)) {\r\n          command = listener\r\n          action.handler = function () {\r\n            publish(command, button.name)\r\n          }\r\n          listener = action.handler\r\n        }\r\n\r\n        type = action.type || 'click'\r\n        context = action.context\r\n      }\r\n\r\n      if (isFunction(listener)) {\r\n        on($el, `.${button.name}`, type, listener, context || this, true)\r\n      }\r\n    })\r\n\r\n    return this\r\n  }\r\n\r\n  removeListeners() {\r\n    const buttons = this.attr('buttons')\r\n    const $el = this.$el\r\n\r\n    if (!buttons || buttons.length < 1) {\r\n      return this\r\n    }\r\n\r\n    buttons.forEach((button) => {\r\n      const action = button.action\r\n      const disabled = this.disabled\r\n      let type\r\n      let listener\r\n\r\n      if (disabled) {\r\n        return false\r\n      }\r\n\r\n      if (action) {\r\n        listener = action.handler\r\n        type = action.type || 'click'\r\n      }\r\n\r\n      if (isFunction(listener)) {\r\n        off($el, type, listener)\r\n      }\r\n    })\r\n\r\n    return this\r\n  }\r\n}\r\n\r\nToolbar.DEFAULTS = {\r\n  placement: 'ltr',\r\n  closed: false,\r\n  disabled: false,\r\n  rounded: true,\r\n  buttons: [],\r\n  created: null,\r\n  mounted: null,\r\n  afterClosed: null,\r\n  afterOpened: null,\r\n  afterDisabled: null,\r\n  afterEnabled: null,\r\n  beforeDestroy: null,\r\n  afterDestroy: null\r\n}\r\n\r\nexport default Toolbar\r\n","/**\r\n * 生成唯一 id 字符串的函数\r\n * ========================================================================\r\n * @method guid\r\n * @param {String} [prefix] - 生成 id 的前缀字符串\r\n * @return {String} 返回一个表示唯一 id 的字符串\r\n */\r\nconst guid = (() => {\r\n  let uuid = 0\r\n\r\n  return (prefix) => {\r\n    uuid += 1\r\n\r\n    return prefix ? prefix + '-' + uuid : 'guid-' + uuid\r\n  }\r\n})()\r\n\r\nexport default guid\r\n","import _subscribers from './_subscribers'\r\nimport isFunction from '../types/isFunction'\r\nimport guid from '../lang/guid'\r\n\r\n/**\r\n * 订阅主题，并给出处理器函数\r\n * ========================================================================\r\n * @method on\r\n * @param {String} topic - （必须）主题名称\r\n * @param {Function} handler - （必须）主题的处理器函数\r\n * @param {Object} [context] - （可选）指定 this 执行上下文\r\n * @return {String|Boolean} - 唯一的 token 字符串，例如：'guid-1'。\r\n */\r\nconst on = (topic, handler, context = null) => {\r\n  const token = guid()\r\n  let subject = typeof topic === 'symbol' ? topic.toString() : topic\r\n\r\n  if (!isFunction(handler)) {\r\n    return false\r\n  }\r\n\r\n  /* istanbul ignore else */\r\n  if (!_subscribers[subject]) {\r\n    _subscribers[subject] = []\r\n  }\r\n\r\n  _subscribers[subject].push({\r\n    topic: subject,\r\n    callback: handler,\r\n    context,\r\n    token\r\n  })\r\n\r\n  return token\r\n}\r\n\r\nexport default on\r\n","import _subscribers from './_subscribers'\r\nimport hasOwn from '../lang/hasOwn'\r\n\r\n/**\r\n * 删除与给定 topic 相同的订阅者信息\r\n * ========================================================================\r\n * @method _removeSubscriber\r\n * @param {String} topic - （必须）订阅主题字符串\r\n * @returns {Boolean}\r\n */\r\nconst _removeSubscriber = (topic) => {\r\n  if (!hasOwn(_subscribers, topic)) {\r\n    return false\r\n  }\r\n\r\n  delete _subscribers[topic]\r\n}\r\n\r\nexport default _removeSubscriber\r\n","import has from './has'\r\nimport _removeSubscriber from './_removeSubscriber'\r\nimport _removeSubscriberByToken from './_removeSubscriberByToken'\r\n\r\n/**\r\n * 取消订阅主题\r\n * ========================================================================\r\n * @method off\r\n * @param {String} topic - （必须）订阅的主题\r\n * @param {Function|String} [token] - （可选）订阅主题的处理器函数或者唯一 Id 值\r\n */\r\nconst off = (topic, token) => {\r\n  if (!has(topic)) {\r\n    return false\r\n  }\r\n\r\n  if (token) {\r\n    _removeSubscriberByToken(token)\r\n  } else {\r\n    _removeSubscriber(topic)\r\n  }\r\n}\r\n\r\nexport default off\r\n","import _subscribers from './_subscribers'\r\nimport _removeSubscriber from './_removeSubscriber'\r\n\r\n/**\r\n * 通过订阅者 token 值删除订阅者信息\r\n * ========================================================================\r\n * @method _removeSubscriberByToken\r\n * @param {String} token - 订阅者 token 字符串\r\n * @returns {boolean}\r\n * @private\r\n */\r\nconst _removeSubscriberByToken = (token) => {\r\n  const keys = Object.keys(_subscribers)\r\n  let index = -1\r\n\r\n  if (!token || keys.length < 1) {\r\n    return false\r\n  }\r\n\r\n  keys.forEach((subject) => {\r\n    const subscriber = _subscribers[subject]\r\n    let topic\r\n\r\n    subscriber.forEach((execution, j) => {\r\n      if (execution.callback === token || execution.token === token) {\r\n        topic = execution.topic\r\n        subscriber.splice(index, j)\r\n      }\r\n    })\r\n\r\n    /* istanbul ignore else */\r\n    if (subscriber.length < 1) {\r\n      _removeSubscriber(topic)\r\n    }\r\n  })\r\n}\r\n\r\nexport default _removeSubscriberByToken\r\n","import Base from './base'\r\nimport Anchors from './anchors'\r\nimport Drawer from './drawer'\r\nimport Chapters from './chapters'\r\nimport Toolbar from './toolbar'\r\n\r\nimport later from './utils/lang/later'\r\nimport scrollTo from './utils/dom/scrollTo'\r\nimport _getScrollElement from './utils/dom/_getScrollElement'\r\nimport subscribe from './utils/observer/on'\r\nimport unsubscribe from './utils/observer/off'\r\n\r\nclass Outline extends Base {\r\n  constructor(options) {\r\n    super()\r\n\r\n    this.attrs = Outline.DEFAULTS\r\n    this.anchors = null\r\n    this.drawer = null\r\n    this.chapters = null\r\n    this.toolbar = null\r\n\r\n    if (options) {\r\n      this.initialize(options)\r\n    }\r\n  }\r\n\r\n  initialize(options) {\r\n    this.attr(options).render().addListeners()\r\n    return this\r\n  }\r\n\r\n  getChapters(isTreeStructured = false) {\r\n    return this.anchors.getChapters(isTreeStructured)\r\n  }\r\n\r\n  count() {\r\n    return this.anchors.count()\r\n  }\r\n\r\n  render() {\r\n    this._renderAnchors()._renderChapters()._renderToolbar()\r\n\r\n    return this\r\n  }\r\n\r\n  _renderAnchors() {\r\n    const articleElement = this.attr('articleElement')\r\n    const selector = this.attr('selector')\r\n    const stickyHeight = this.attr('stickyHeight')\r\n    const scrollElement = this.attr('scrollElement')\r\n    const showCode = this.attr('showCode')\r\n    const anchorURL = this.attr('anchorURL')\r\n\r\n    this.anchors = new Anchors({\r\n      articleElement,\r\n      stickyHeight,\r\n      scrollElement,\r\n      selector,\r\n      showCode,\r\n      anchorURL\r\n    })\r\n\r\n    return this\r\n  }\r\n\r\n  _renderChapters() {\r\n    const title = this.attr('title')\r\n    const stickyHeight = this.attr('stickyHeight')\r\n    const scrollElement = this.attr('scrollElement')\r\n    const customClass = this.attr('customClass')\r\n    const showCode = this.attr('showCode')\r\n    const position = this.attr('position')\r\n    const placement = this.attr('placement')\r\n    const afterSticky = this.attr('afterSticky')\r\n    const afterToggle = this.attr('afterToggle')\r\n    const count = this.count()\r\n    let parentElement = this.attr('parentElement')\r\n    let CHAPTERS_OPTIONS\r\n\r\n    if (count < 1) {\r\n      return this\r\n    }\r\n\r\n    CHAPTERS_OPTIONS = {\r\n      scrollElement,\r\n      showCode,\r\n      position,\r\n      title,\r\n      stickyHeight,\r\n      chapters: this.anchors.getChapters(),\r\n      afterSticky,\r\n      afterToggle\r\n    }\r\n\r\n    if (position === 'relative') {\r\n      this.drawer = new Drawer({\r\n        placement,\r\n        title,\r\n        size: 'tiny',\r\n        hasOffset: true,\r\n        hasPadding: false,\r\n        customClass,\r\n        afterClosed: () => {\r\n          const toolbar = this.toolbar\r\n          toolbar.toggle()\r\n        }\r\n      })\r\n      parentElement = this.drawer.$main\r\n    } else {\r\n      CHAPTERS_OPTIONS.customClass = customClass\r\n    }\r\n\r\n    CHAPTERS_OPTIONS.parentElement = parentElement\r\n    this.chapters = new Chapters(CHAPTERS_OPTIONS)\r\n\r\n    return this\r\n  }\r\n\r\n  _renderToolbar() {\r\n    const placement = this.attr('placement')\r\n    const homepage = this.attr('homepage')\r\n    const count = this.count()\r\n    const UP = {\r\n      name: 'up',\r\n      icon: 'up',\r\n      size: 20,\r\n      action: {\r\n        type: 'click',\r\n        handler: 'toolbar:action:up'\r\n      }\r\n    }\r\n    const HOME = {\r\n      name: 'homepage',\r\n      icon: 'homepage',\r\n      size: 20,\r\n      link: homepage\r\n    }\r\n    const MENU = {\r\n      name: 'menu',\r\n      icon: 'menu',\r\n      size: 18,\r\n      action: {\r\n        type: 'click',\r\n        handler: 'toolbar:action:toggle'\r\n      }\r\n    }\r\n    const DOWN = {\r\n      name: 'down',\r\n      icon: 'down',\r\n      size: 20,\r\n      action: {\r\n        type: 'click',\r\n        handler: 'toolbar:action:down'\r\n      }\r\n    }\r\n    const buttons = []\r\n\r\n    buttons.push(UP)\r\n    if (homepage) {\r\n      buttons.push(HOME)\r\n    }\r\n    if (count > 0) {\r\n      buttons.push(MENU)\r\n    }\r\n    buttons.push(DOWN)\r\n\r\n    this.toolbar = new Toolbar({\r\n      placement,\r\n      buttons: buttons\r\n    })\r\n\r\n    return this\r\n  }\r\n\r\n  toTop() {\r\n    const toolbar = this.toolbar\r\n    const chapters = this.chapters\r\n    const count = this.count()\r\n    const afterTop = () => {\r\n      toolbar.hide('up')\r\n      toolbar.show('down')\r\n\r\n      if (count > 0) {\r\n        chapters.highlight(0)\r\n      }\r\n      chapters.playing = false\r\n    }\r\n\r\n    chapters.playing = true\r\n    this.scrollTo(0, afterTop)\r\n\r\n    return this\r\n  }\r\n\r\n  toBottom() {\r\n    const $scrollElement = _getScrollElement(this.attr('scrollElement'))\r\n    const toolbar = this.toolbar\r\n    const chapters = this.chapters\r\n    const count = this.count()\r\n    const top = Math.floor(\r\n      $scrollElement.scrollHeight - $scrollElement.clientHeight\r\n    )\r\n    const afterDown = () => {\r\n      toolbar.hide('down')\r\n      toolbar.show('up')\r\n\r\n      if (count > 1) {\r\n        chapters.highlight(count - 1)\r\n      }\r\n      chapters.playing = false\r\n    }\r\n\r\n    chapters.playing = true\r\n    this.scrollTo(top, afterDown)\r\n\r\n    return this\r\n  }\r\n\r\n  scrollTo(top, afterScroll) {\r\n    const scrollElement = this.attr('scrollElement')\r\n    scrollTo(scrollElement, top, afterScroll)\r\n    return this\r\n  }\r\n\r\n  toggle() {\r\n    const position = this.attr('position')\r\n    const toolbar = this.toolbar\r\n    const drawer = this.drawer\r\n    const chapters = this.chapters\r\n    const count = this.count()\r\n\r\n    if (position !== 'relative') {\r\n      chapters.toggle()\r\n      toolbar.highlight('menu')\r\n    } else {\r\n      toolbar.toggle()\r\n\r\n      if (count < 1) {\r\n        return this\r\n      }\r\n\r\n      later(() => {\r\n        if (chapters.isInside()) {\r\n          chapters.toggle()\r\n        } else {\r\n          drawer.toggle()\r\n        }\r\n      })\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  destroy() {\r\n    const chapters = this.chapters\r\n    const count = this.count()\r\n\r\n    this.removeListeners()\r\n\r\n    this.attr(Outline.DEFAULTS)\r\n    this.anchors.destroy()\r\n    if (count < 1) {\r\n      chapters.destroy()\r\n      if (chapters.isOutside()) {\r\n        this.drawer.destroy()\r\n      }\r\n    }\r\n    this.toolbar.destroy()\r\n\r\n    return this\r\n  }\r\n\r\n  onToggle() {\r\n    this.toggle()\r\n    return this\r\n  }\r\n\r\n  onScrollTop() {\r\n    this.toTop()\r\n    return this\r\n  }\r\n\r\n  onScrollBottom() {\r\n    this.toBottom()\r\n    return this\r\n  }\r\n\r\n  onToolbarUpdate({ top, min, max }) {\r\n    const toolbar = this.toolbar\r\n    const current = Math.ceil(top)\r\n\r\n    if (current <= min) {\r\n      toolbar.hide('up')\r\n      toolbar.show('down')\r\n    } else if (current >= max) {\r\n      toolbar.hide('down')\r\n      toolbar.show('up')\r\n    } else if (current > min && current < max) {\r\n      toolbar.show('up')\r\n      toolbar.show('down')\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  addListeners() {\r\n    subscribe('toolbar:update', this.onToolbarUpdate, this)\r\n    subscribe('toolbar:action:up', this.onScrollTop, this)\r\n    subscribe('toolbar:action:toggle', this.onToggle, this)\r\n    subscribe('toolbar:action:down', this.onScrollBottom, this)\r\n    return this\r\n  }\r\n\r\n  removeListeners() {\r\n    unsubscribe('toolbar:update')\r\n    unsubscribe('toolbar:action:up')\r\n    unsubscribe('toolbar:action:toggle')\r\n    unsubscribe('toolbar:action:down')\r\n    return this\r\n  }\r\n}\r\n\r\nOutline.DEFAULTS = {\r\n  articleElement: '#article',\r\n  selector: 'h2,h3,h4,h5,h6',\r\n  title: '目录',\r\n  scrollElement: 'html,body',\r\n  position: 'relative',\r\n  parentElement: '#aside',\r\n  placement: 'rtl',\r\n  showCode: true,\r\n  anchorURL: '',\r\n  stickyHeight: 0,\r\n  customClass: '',\r\n  afterSticky: null,\r\n  afterToggle: null\r\n}\r\n\r\nif (window.jQuery) {\r\n  // 将 Outline 扩展为一个 jquery 插件\r\n  // eslint-disable-next-line no-undef\r\n  jQuery.extend(jQuery.fn, {\r\n    outline: function (options) {\r\n      // eslint-disable-next-line no-undef\r\n      let $article = jQuery(this)\r\n\r\n      return new Outline(\r\n        // eslint-disable-next-line no-undef\r\n        jQuery.extend({}, options, {\r\n          articleElement: 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\ No newline at end of file
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（必须）检测的目标对象\r\n * @param {String} prop - （必须）属性名\r\n * @returns {Boolean}\r\n */\r\nconst hasOwn = (obj, prop) => {\r\n  const hasOwnProperty = Object.prototype.hasOwnProperty\r\n  return obj && hasOwnProperty.call(obj, prop)\r\n}\r\n\r\nexport default hasOwn\r\n","/**\r\n * Object 对象原型上的 toString 方法\r\n * ========================================================================\r\n * @method toString\r\n * @param {*} val\r\n * @returns {string}\r\n */\r\nconst toString = (val) => {\r\n  return Object.prototype.toString.apply(val)\r\n}\r\n\r\nexport default toString\r\n","import toString from '../lang/toString'\r\n\r\n/**\r\n * 检测测试数据是否为 Function 类型\r\n * ========================================================================\r\n * @method isFunction\r\n * @param {*} val - （必须）待检测的数据\r\n * @returns {boolean} 'val' 是 Function 类型返回 true，否则返回 false\r\n */\r\nconst isFunction = (val) => {\r\n  return typeof val === 'function' || toString(val) === '[object Function]'\r\n}\r\n\r\nexport default isFunction\r\n","import toString from '../lang/toString'\r\nimport isFunction from '../types/isFunction'\r\n\r\n/**\r\n * 检测数据是否为 Object 类型\r\n * ========================================================================\r\n * @method isObject\r\n * @param {*} o\r\n * @returns {boolean}\r\n */\r\nconst isObject = (o) => {\r\n  return (\r\n    (toString(o) === '[object Object]' ||\r\n      typeof o === 'object' ||\r\n      isFunction(o)) &&\r\n    o !== null\r\n  )\r\n}\r\n\r\nexport default isObject\r\n","import isString from './utils/types/isString'\r\nimport hasOwn from './utils/lang/hasOwn'\r\nimport isObject from './utils/types/isObject'\r\nimport extend from './utils/lang/extend'\r\n\r\nclass Base {\r\n  constructor(options) {\r\n    this.attrs = {}\r\n\r\n    if (options) {\r\n      this.initialize(options)\r\n    }\r\n  }\r\n\r\n  initialize(options) {\r\n    this.attr(options).render().addListeners()\r\n    return this\r\n  }\r\n\r\n  attr(prop, value) {\r\n    const attrs = this.attrs\r\n\r\n    if (isString(prop)) {\r\n      // 只能扩展 attrs 中已有的属性\r\n      if (value && hasOwn(attrs, prop)) {\r\n        // 更新单个配置信息\r\n        attrs[prop] = value\r\n        return this\r\n      }\r\n\r\n      // 只传递 prop 参数，则返回对应的属性值\r\n      return attrs[prop]\r\n    } else if (isObject(prop)) {\r\n      // 批量更新配置信息\r\n      extend(attrs, prop)\r\n\r\n      return this\r\n    } else if (arguments.length === 0) {\r\n      // 不传递参数，直接返回整个\r\n      return attrs\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  render() {\r\n    return this\r\n  }\r\n\r\n  destroy() {\r\n    this.removeListeners()\r\n    return this\r\n  }\r\n\r\n  reload(options) {\r\n    this.destroy().initialize(this.attr(options))\r\n    return this\r\n  }\r\n\r\n  addListeners() {\r\n    return this\r\n  }\r\n\r\n  removeListeners() {\r\n    return this\r\n  }\r\n}\r\n\r\nexport default Base\r\n","import hasOwn from './hasOwn'\r\n\r\n/**\r\n * 扩展对象\r\n * ========================================================================\r\n * @method extend\r\n * @param {Object} origin\r\n * @param {Object} source\r\n */\r\nconst extend = (origin, source) => {\r\n  const keys = Object.keys(source)\r\n\r\n  keys.forEach((prop) => {\r\n    if (hasOwn(source, prop)) {\r\n      origin[prop] = source[prop]\r\n    }\r\n  })\r\n}\r\n\r\nexport default extend\r\n","import isObject from './isObject'\r\n\r\n/**\r\n * 检测数据是否为 HTMLElement DOM 节点\r\n * ========================================================================\r\n * @method isElement\r\n * @param {*} o\r\n * @returns {boolean}\r\n */\r\nconst isElement = (o) => {\r\n  return !!(isObject(o) && o.nodeName && o.tagName && o.nodeType === 1)\r\n}\r\n\r\nexport default isElement\r\n","import isFunction from '../types/isFunction'\r\n\r\n/**\r\n * later - 延迟执行方法\r\n * ========================================================================\r\n * @method later\r\n * @param {Function} fn\r\n * @param {Number} [delay]\r\n * @returns {number|boolean}\r\n */\r\nconst later = (fn, delay = 300) => {\r\n  if (!isFunction(fn)) {\r\n    return false\r\n  }\r\n\r\n  return setTimeout(() => {\r\n    fn()\r\n  }, delay)\r\n}\r\n\r\nexport default later\r\n","/**\r\n * 返回给定值的平方值\r\n * ========================================================================\r\n * @method easeInQuad\r\n * @param {Number} x\r\n * @returns {number}\r\n */\r\nconst easeInQuad = (x) => {\r\n  return x * x\r\n}\r\n\r\nexport default easeInQuad\r\n","import isString from '../types/isString'\r\nimport isElement from '../types/isElement'\r\n\r\n/**\r\n * 通过给的 scrollElement 参数，获取滚动 DOM 元素\r\n * ========================================================================\r\n * @method _getScrollElement\r\n * @param {String|HTMLElement} scrollElement\r\n * @returns {Element}\r\n * @private\r\n */\r\nconst _getScrollElement = (scrollElement = null) => {\r\n  let $rootElements\r\n  let $scrollElement\r\n\r\n  if (!scrollElement) {\r\n    $rootElements = document.querySelectorAll('html,body')\r\n    $scrollElement =\r\n      $rootElements[0].scrollTop - $rootElements[1].scrollTop >= 0\r\n        ? $rootElements[0]\r\n        : $rootElements[1]\r\n  } else {\r\n    if (isString(scrollElement)) {\r\n      $scrollElement = document.querySelector(scrollElement)\r\n    } else if (isElement(scrollElement)) {\r\n      $scrollElement = scrollElement\r\n    }\r\n  }\r\n\r\n  return $scrollElement\r\n}\r\n\r\nexport default _getScrollElement\r\n","import easeInQuad from '../lang/easeInQuad'\r\nimport isFunction from '../types/isFunction'\r\nimport _getScrollElement from './_getScrollElement'\r\n\r\n/**\r\n * 指定 rootElement DOM 节点滚动到指定 top 位置\r\n * ========================================================================\r\n * @method scrollTo\r\n * @param {HTMLElement|Object} [scrollElement] - （必须）要滚动的 DOM 节点\r\n * @param {Number} top - （必须）滚动的 scrollTop 数值\r\n * @param {Function} [afterStop] - （可选）滚动完成的回调函数\r\n */\r\nconst scrollTo = (scrollElement, top, afterStop) => {\r\n  const $scrollElement = _getScrollElement(scrollElement)\r\n  let scrollTop = $scrollElement.scrollTop\r\n  let step = 0\r\n  const distance = top - scrollTop\r\n  const MAX_HEIGHT = $scrollElement.scrollHeight\r\n  const MAX_TOP = top - MAX_HEIGHT <= 0 ? top : MAX_HEIGHT\r\n  const stop = (top) => {\r\n    if (isFunction(afterStop)) {\r\n      afterStop(top)\r\n    }\r\n\r\n    return false\r\n  }\r\n  const play = () => {\r\n    step += 1\r\n\r\n    // 向上滚动\r\n    if (distance < 0) {\r\n      scrollTop -= easeInQuad(step)\r\n      $scrollElement.scrollTop = scrollTop\r\n\r\n      if (scrollTop <= top) {\r\n        $scrollElement.scrollTop = top\r\n        return stop(top)\r\n      }\r\n    } else {\r\n      scrollTop += easeInQuad(step)\r\n      $scrollElement.scrollTop = scrollTop\r\n\r\n      if (scrollTop >= MAX_TOP) {\r\n        $scrollElement.scrollTop = MAX_TOP\r\n        return stop(MAX_TOP)\r\n      }\r\n    }\r\n\r\n    requestAnimationFrame(play)\r\n  }\r\n\r\n  requestAnimationFrame(play)\r\n}\r\n\r\nexport default scrollTo\r\n","/**\r\n * 获取 DOM 节点相对于窗口的 left （纵坐标）值\r\n * ========================================================================\r\n * @method offsetTop\r\n * @param {HTMLElement} el - DOM 节点\r\n * @returns {Number}\r\n */\r\nconst offsetTop = (el) => {\r\n  let top = el.offsetTop\r\n\r\n  if (el.offsetParent !== null) {\r\n    top += offsetTop(el.offsetParent)\r\n  }\r\n\r\n  return top\r\n}\r\n\r\nexport default offsetTop\r\n","/**\r\n * 获取 options 节点下匹配 selector 选择器的 DOM 节点\r\n * ========================================================================\r\n * Element.matches() 方法可以用来判断 DOM 元素是否与给定的选择器匹配，事件代理判断是\r\n * 否触发绑定的代理事件回调函数，关键就是使用 Element.matches() 辨别当前事件触发的目\r\n * 标 DOM 元素是否为事件代理所期望触发的目标。\r\n * ========================================================================\r\n * @method matches\r\n * @see https://developer.mozilla.org/en-US/docs/web/api/element/matches\r\n * @param {HTMLElement} el - （必须）DOM 元素\r\n * @param {String} selector - （必须）匹配 DOM 元素的选择器\r\n * @returns {Boolean}\r\n */\r\nconst matches = (el, selector = '') => {\r\n  const sel = selector.replace(/^>/i, '')\r\n\r\n  if (!selector || !sel || !el) {\r\n    return false\r\n  }\r\n\r\n  /* istanbul ignore else */\r\n  if (el.matches) {\r\n    return el.matches(sel)\r\n  } else if (el.msMatchesSelector) {\r\n    return el.msMatchesSelector(sel)\r\n  } else {\r\n    return false\r\n  }\r\n}\r\n\r\nexport default matches\r\n","/**\r\n * 获取 DOM 元素的父节点\r\n * ========================================================================\r\n * @method getParentOrHost\r\n * @param {*|HTMLElement} el - （必须）要获取父节点的 DOM 元素\r\n * @returns {*|HTMLElement}\r\n */\r\nconst getParentOrHost = (el) => {\r\n  return el.host && el !== document && el.host.nodeType\r\n    ? el.host\r\n    : el.parentNode\r\n}\r\n\r\nexport default getParentOrHost\r\n","export const CAPTURE_EVENTS = [\r\n  'focusout',\r\n  'blur',\r\n  'focusin',\r\n  'focus',\r\n  'load',\r\n  'unload',\r\n  'mouseenter',\r\n  'mouseleave'\r\n]\r\n","import { CAPTURE_EVENTS } from './enum'\r\nimport _delete from './_delete'\r\n\r\n/**\r\n * （私有方法）取消 type 类型的代理事件绑定\r\n * ========================================================================\r\n * 如果没有设置 handler，则销毁 this.$options 绑定的所有符合 type 事件类型的事件绑定\r\n * ========================================================================\r\n * @method _off\r\n * @param {HTMLElement} el - （必须）取消事件绑定的 DOM 元素\r\n * @param {String} type - （必须）事件类型\r\n * @param {Function} fn - （必须）事件处理器回调函数\r\n * @private\r\n */\r\nconst _off = (el, type, fn) => {\r\n  const capture = CAPTURE_EVENTS.indexOf(type) > -1\r\n\r\n  /* istanbul ignore else */\r\n  if (fn._delegateListener) {\r\n    fn = fn._delegateListener\r\n    delete fn._delegateListener\r\n  }\r\n\r\n  // 移除缓存的 _listeners 数据\r\n  _delete(el, type, fn)\r\n\r\n  el.removeEventListener(type, fn, capture)\r\n}\r\n\r\nexport default _off\r\n","/**\r\n * 删除 DOM 元素缓存的 _listeners 数据\r\n * ========================================================================\r\n * @method _delete\r\n * @param {HTMLElement} el - 要删除 listener 的 DOM 元素\r\n * @param {String} type - 事件类型（名称）\r\n * @param {Function} [fn] - 事件处理器回调函数\r\n */\r\nconst _delete = function (el, type, fn) {\r\n  const listeners = el._listeners\r\n  let index = -1\r\n\r\n  if (listeners.length < 1) {\r\n    return false\r\n  }\r\n\r\n  // 移除缓存的 _listeners 数据\r\n  listeners.forEach((listener, i) => {\r\n    const handler = listener.fn\r\n\r\n    if (type === listener.type) {\r\n      index = i\r\n\r\n      if (handler === fn) {\r\n        index = i\r\n      }\r\n    }\r\n  })\r\n\r\n  /* istanbul ignore else */\r\n  if (index > -1) {\r\n    listeners.splice(index, 1)\r\n  }\r\n}\r\n\r\nexport default _delete\r\n","import isString from '../types/isString'\r\nimport isElement from '../types/isElement'\r\nimport getListeners from './getListeners'\r\nimport _off from './_off'\r\n\r\n/**\r\n * 销毁（type 类型的）代理事件绑定\r\n * ========================================================================\r\n * 1. 设置了事件类型 type，则销毁指定类型的事件绑定，否则清除所有代理事件绑定\r\n * 2. recurse 设置为 true，递归销毁子节点全部事件绑定\r\n * ========================================================================\r\n * @method purgeElement\r\n * @param {HTMLElement|String} el - （必须）DOM 元素或者其选择器\r\n * @param {String|Boolean} type - （必须）事件类型\r\n * @param {Boolean} [recurse] - （可选）是否递归销毁子节点所有事件绑定\r\n */\r\nconst purgeElement = function (el, type, recurse = false) {\r\n  const $element = isString(el) ? document.querySelector(el) : el\r\n  const $children = $element.childNodes\r\n  const listeners = getListeners($element, type)\r\n\r\n  listeners.forEach((listener) => {\r\n    _off($element, listener.type, listener.fn)\r\n  })\r\n\r\n  if (\r\n    (recurse || type === true || arguments.length === 1) &&\r\n    $element &&\r\n    $children\r\n  ) {\r\n    $children.forEach(($child) => {\r\n      if (isElement($child)) {\r\n        purgeElement($child, type, recurse)\r\n      }\r\n    })\r\n  }\r\n}\r\n\r\nexport default purgeElement\r\n","import isString from '../types/isString'\r\n\r\n/**\r\n * 获取 DOM 元素（type 事件类型）事件绑定信息\r\n * ========================================================================\r\n * 如果设置了事件类型 type， 则返回指定类型的事件绑定信息，否则返回所有事件绑定信息\r\n * ========================================================================\r\n * @methods getListeners\r\n * @param {HTMLElement} el - （必须）要获取事件绑定信息的 DOM 元素\r\n * @param {String} [type] - （可选）事件类型\r\n * @returns {Array} - 已绑定的事件信息\r\n */\r\nconst getListeners = (el, type) => {\r\n  let listeners = el._listeners || []\r\n\r\n  if (isString(type) && type) {\r\n    listeners = listeners.filter((listener) => {\r\n      return listener.type === type\r\n    })\r\n  }\r\n\r\n  return listeners\r\n}\r\n\r\nexport default getListeners\r\n","import purgeElement from './purgeElement'\r\nimport isFunction from '../types/isFunction'\r\nimport _off from './_off'\r\n\r\n/**\r\n * 取消 type 类型的代理事件绑定\r\n * ========================================================================\r\n * 如果没有设置 handler，则销毁 this.$options 绑定的所有符合 type 事件类型的事件绑定\r\n * ========================================================================\r\n * @method off\r\n * @param {HTMLElement} el - （必须）取消事件绑定的 DOM 元素\r\n * @param {String} type - （必须）事件类型\r\n * @param {Function} [fn] - （可选）事件处理器回调函数\r\n */\r\nconst off = (el, type, fn) => {\r\n  // 如果不设置 fn 参数，默认清除 el 元素上绑定的所有事件处理器\r\n  if (!isFunction(fn)) {\r\n    return purgeElement(el, type)\r\n  }\r\n\r\n  _off(el, type, fn)\r\n}\r\n\r\nexport default off\r\n","import closest from '../dom/closest'\r\nimport off from './off'\r\nimport getTarget from './getTarget'\r\n\r\nimport { CAPTURE_EVENTS } from './enum'\r\n\r\n/**\r\n * 绑定代理事件\r\n * ========================================================================\r\n * @method on\r\n * @param {HTMLElement|String|Object} el - （必须）绑定代理事件的 DOM 节点\r\n * @param {String} selector - （必须）事件代理目标 DOM 元素的选择器\r\n * @param {String|Function} type - （必须）事件类型或者事件处理器回调函数\r\n * @param {Function|Object} fn - （可选） 事件处理器回调函数或者传递给事件处理器回调函数的数据对象\r\n * @param {Object|Boolean} [data] - （可选）传递给事件处理器回调函数的数据对象或者事件处理器回调函数的 this 上下文指向，\r\n * @param {Object|Boolean} [context] - （可选）事件处理器回调函数的 this 上下文指向，或者是否仅触发一次\r\n * 当设置为 true 时，则事件处理器回调函数的 this 上下文指向为 data 对象\r\n * @param {Boolean} once - （可选）是否仅触发一次\r\n */\r\nconst on = (el, selector, type, fn, data, context, once = false) => {\r\n  // CAPTURE_EVENTS 中的特殊事件，采用事件捕获模型\r\n  const capture = CAPTURE_EVENTS.indexOf(type) > -1\r\n\r\n  const listener = function (evt) {\r\n    const target = getTarget(evt)\r\n    // 通过 Element.matches 方法获得点击的目标元素\r\n    const delegateTarget = closest(target, selector, el)\r\n    let overrideContext = context || el\r\n\r\n    evt.delegateTarget = delegateTarget\r\n\r\n    // 当设置为 true 时，则事件处理器回调函数的\r\n    // this 上下文指向为 data 对象\r\n    if (context === true) {\r\n      overrideContext = data\r\n    }\r\n\r\n    /* istanbul ignore else */\r\n    if (delegateTarget) {\r\n      // 仅触发一次\r\n      /* istanbul ignore else */\r\n      if (once === true) {\r\n        off(el, type, listener)\r\n      }\r\n\r\n      fn.call(overrideContext, evt, data)\r\n    }\r\n  }\r\n\r\n  if (!el._listeners) {\r\n    el._listeners = []\r\n  }\r\n\r\n  // 缓存 options 元素绑定的事件处理器\r\n  el._listeners.push({\r\n    el,\r\n    selector,\r\n    type,\r\n    fn: listener,\r\n    data,\r\n    context,\r\n    capture\r\n  })\r\n\r\n  // 缓存包装后的事件处理器\r\n  fn._delegateListener = listener\r\n\r\n  el.addEventListener(type, listener, capture)\r\n}\r\n\r\nexport default on\r\n","import resolveTextNode from '../dom/resolveTextNode'\r\n\r\n/**\r\n * 返回触发事件的 target DOM 元素\r\n * ========================================================================\r\n * @method getTarget\r\n * @param {Event} evt - Event 对象\r\n * @return {HTMLElement} - Event 对象的 target DOM 元素\r\n */\r\nconst getTarget = function (evt) {\r\n  const target = evt.target\r\n\r\n  return resolveTextNode(target)\r\n}\r\n\r\nexport default getTarget\r\n","/**\r\n * 在某些情况下，某些浏览器（例如：Safari 浏览器）会返回实际的目标元素内部的文本节点。\r\n * resolveTextNode() 方法则会返回实际的目标节点。\r\n * ========================================================================\r\n * @method resolveTextNode\r\n * @param {HTMLElement|Text} el - 要解析的节点\r\n * @return {*|HTMLElement} - 实际的目标 DOM 节点\r\n */\r\nconst resolveTextNode = function (el) {\r\n  if (el && el.nodeType === 3) {\r\n    return el.parentNode\r\n  }\r\n\r\n  return el\r\n}\r\n\r\nexport default resolveTextNode\r\n","import matches from './matches'\r\nimport getParentOrHost from './getParentOrHost'\r\n\r\n/**\r\n * 获取 options 元素父元素最近的包含 selector 选择器的元素\r\n * ========================================================================\r\n * @method closest\r\n * @param {HTMLElement} el - （必须）DOM 元素\r\n * @param {String} selector - （必须）DOM 元素的选择其\r\n * @param {HTMLElement} [ctx] - （必须）比对的 DOM 元素\r\n * @param {Boolean} [includeCTX] - （必须）是否包含 context DOM 元素\r\n * @returns {null|HTMLElement} - 返回最接近的 DOM 元素\r\n */\r\nconst closest = (el, selector, ctx, includeCTX) => {\r\n  const context = ctx || document\r\n\r\n  if (!el) {\r\n    return null\r\n  }\r\n\r\n  do {\r\n    /* istanbul ignore else */\r\n    if (\r\n      (selector != null &&\r\n        (selector[0] === '>'\r\n          ? el.parentNode === context && matches(el, selector)\r\n          : matches(el, selector))) ||\r\n      (includeCTX && el === context)\r\n    ) {\r\n      return el\r\n    }\r\n\r\n    /* istanbul ignore else */\r\n    if (el === context) {\r\n      break\r\n    }\r\n\r\n    /* jshint boss:true */\r\n  } while ((el = getParentOrHost(el)))\r\n}\r\n\r\nexport default closest\r\n","/**\r\n * 停止事件（阻止默认行为和阻止事件的捕获或冒泡）\r\n * ========================================================================\r\n * @method stop\r\n * @param {Event} evt - 事件对象\r\n *\r\n * @example\r\n * 
\r\n *   Service\r\n *   Help\r\n * 
\r\n *\r\n * const $nav = document.querySelector('#nav')\r\n * const $service = document.querySelector('.anchor')\r\n *\r\n * on($nav, 'click', function(evt) {\r\n *   console.log('你点击了导航栏')\r\n * })\r\n *\r\n * on($anchor, 'click', function(evt) {\r\n *   console.log('tagName', this.tagName)\r\n *\r\n *   // 工作台输出：'a'\r\n *   // 不会触发事件冒泡，输出：'你点击了导航栏'\r\n *   // 也不会切换到 href 属性的页面，阻止了点击链接的默认行为\r\n *   stopEvent(evt)\r\n * })\r\n */\r\nconst stop = function (evt) {\r\n  evt.stopPropagation()\r\n  evt.preventDefault()\r\n}\r\n\r\nexport default stop\r\n","/**\r\n * 存储订阅者（主题和处理器的）私有对象\r\n * ========================================================================\r\n * @type {{}}\r\n * @private\r\n */\r\nconst _subscribers = {}\r\n\r\nexport default _subscribers\r\n","import _subscribers from './_subscribers'\r\nimport hasOwn from '../lang/hasOwn'\r\n\r\n/**\r\n * 判断是否存在与给定 topic 完全匹配的订阅者信息\r\n * ========================================================================\r\n * @method _hasDirectSubscribersFor\r\n * @param {String} topic - （必须）订阅主题字符串\r\n * @returns {Boolean}\r\n */\r\nconst _hasDirectSubscribersFor = (topic) => {\r\n  return hasOwn(_subscribers, topic) && _subscribers[topic].length > 0\r\n}\r\n\r\nexport default _hasDirectSubscribersFor\r\n","import _hasDirectSubscribersFor from './_hasDirectSubscribersFor'\r\nimport _hasSubscribers from './_hasSubscribers'\r\n\r\n/**\r\n * 判断是否存在包含 topic 指定的订阅者信息\r\n * ========================================================================\r\n * @method has\r\n * @param {String} topic - （必须）主题名称\r\n * @param {Boolean} [isDirect] - （可选）是否为直接的主题，默认值：true\r\n * @returns {Boolean}\r\n */\r\nconst has = (topic, isDirect = true) => {\r\n  return isDirect ? _hasDirectSubscribersFor(topic) : _hasSubscribers(topic)\r\n}\r\n\r\nexport default has\r\n","import _hasDirectSubscribersFor from './_hasDirectSubscribersFor'\r\n\r\n/**\r\n * 判断是否存在包含给定 topic 相关的订阅者信息\r\n * ========================================================================\r\n * @method _hasSubscribers\r\n * @param {String} topic - （必须）订阅主题字符串\r\n * @returns {Boolean}\r\n */\r\nconst _hasSubscribers = (topic) => {\r\n  let found = _hasDirectSubscribersFor(topic)\r\n  let position = topic.lastIndexOf('.')\r\n\r\n  while (!found && position !== -1) {\r\n    topic = topic.substring(0, position)\r\n    position = topic.lastIndexOf('.')\r\n    found = _hasDirectSubscribersFor(topic)\r\n  }\r\n\r\n  return found\r\n}\r\n\r\nexport default _hasSubscribers\r\n","import isTypedArray from '../types/isTypedArray'\r\nimport _subscribers from './_subscribers'\r\nimport has from './has'\r\nimport _hasDirectSubscribersFor from './_hasDirectSubscribersFor'\r\n\r\n/**\r\n * （异步）发布订阅主题信息\r\n * ========================================================================\r\n * 主题默认是异步发布的。确保在消费者处理主题时，主题的发起者不会被阻止。\r\n * ========================================================================\r\n * @method emit\r\n * @param {String} topic - （必须）主题名称\r\n * @param {Object} data - （必须）数据对象\r\n * @param {Boolean} async - (可选) 是否异步发布\r\n */\r\nconst emit = (topic, data, async = true) => {\r\n  const execute = (topic) => {\r\n    if (!_hasDirectSubscribersFor(topic)) {\r\n      return false\r\n    }\r\n\r\n    _subscribers[topic].forEach((subscriber) => {\r\n      // 针对 mqtt 消息服务返回的 Uint8Array 类似的 typed arrays 格式的数据\r\n      // 采用 toString() 方法转化为普通（JSON）字符串\r\n      const message = isTypedArray(data) ? data.toString() : data\r\n\r\n      subscriber.callback.call(subscriber.context || subscriber, message)\r\n    })\r\n  }\r\n  const deliver = () => {\r\n    let subscriber = topic\r\n    let position = topic.lastIndexOf('.')\r\n\r\n    while (position !== -1) {\r\n      subscriber = subscriber.substring(0, position)\r\n      position = subscriber.lastIndexOf('.')\r\n\r\n      execute(subscriber)\r\n    }\r\n\r\n    // 执行 topic 对应的处理器\r\n    execute(topic)\r\n    // 执行特殊 topic：'*'（监听全部消息的发布）\r\n    execute('*')\r\n  }\r\n\r\n  if (!has(topic)) {\r\n    return false\r\n  }\r\n\r\n  if (async) {\r\n    setTimeout(deliver, 10)\r\n  } else {\r\n    deliver()\r\n  }\r\n}\r\n\r\nexport default emit\r\n","import toString from '../lang/toString'\r\n/**\r\n * 判断检测数据是否为 Typed Arrays 类型的数据\r\n * ========================================================================\r\n * @param {*} val\r\n * @returns {boolean}\r\n */\r\nconst isTypedArray = (val) => {\r\n  const TYPES = [\r\n    '[object Int8Array]',\r\n    '[object Uint8Array]',\r\n    '[object Uint8ClampedArray]',\r\n    '[object Int16Array]',\r\n    '[object Uint16Array]',\r\n    '[object Int32Array]',\r\n    '[object Uint32Array]',\r\n    '[object Float32Array]',\r\n    '[object Float64Array]',\r\n    '[object BigInt64Array]',\r\n    '[object BigUint64Array]'\r\n  ]\r\n\r\n  return TYPES.indexOf(toString(val)) > -1\r\n}\r\n\r\nexport default isTypedArray\r\n","import toString from '../lang/toString'\r\n\r\n/**\r\n * 检测数据是否为 Array 类型\r\n * ========================================================================\r\n * @method isArray\r\n * @param {*} o\r\n * @returns {boolean}\r\n */\r\nconst isArray = (o) => {\r\n  if (Array.isArray) {\r\n    return Array.isArray(o)\r\n  } else {\r\n    return toString(o) === '[object Array]'\r\n  }\r\n}\r\n\r\nexport default isArray\r\n","import isArray from './types/isArray'\r\n\r\n/**\r\n * 绘制 SVG Sprites 图标集\r\n * ========================================================================\r\n * @method paintSvgSprites\r\n * @param {Array} [symbols] - （可选）symbols 图标数组\r\n *                             传递 symbols - 绘制 symbols + SYMBOLS 的图标集\r\n *                             不传递 symbols - 仅绘制默认 SYMBOLS 图标集\r\n */\r\nexport const paintSvgSprites = (symbols = []) => {\r\n  const SYMBOLS = [\r\n    '',\r\n    '',\r\n    '',\r\n    '',\r\n    '',\r\n    '',\r\n    '',\r\n    ''\r\n  ]\r\n  const sprites =\r\n    isArray(symbols) && symbols.length > 0 ? SYMBOLS.concat(symbols) : SYMBOLS\r\n  const $body = document.body\r\n  let $icons = document.querySelector('#svg-sprites')\r\n\r\n  if ($icons) {\r\n    $icons.innerHTML = sprites.join('')\r\n  } else {\r\n    $icons = document.createElement('div')\r\n    $icons.innerHTML =\r\n      ``\r\n    $body.insertBefore($icons.firstChild, $body.firstChild)\r\n  }\r\n}\r\n\r\n/**\r\n * 创建 SVG 图标 DOM 元素\r\n * ========================================================================\r\n * @method createSvgIcon\r\n * @param {String} name\r\n * @param {Number|String|Array} [size]\r\n * @param {String} [color]\r\n * @param {String} [iconSet]\r\n * @returns {HTMLElement}\r\n */\r\nexport const createSvgIcon = (\r\n  name,\r\n  size = 0,\r\n  color = '',\r\n  iconSet = 'outline'\r\n) => {\r\n  const binds = iconSet\r\n    ? `xlink:href=\"#${iconSet}-icon-${name}\"`\r\n    : `xlink:href=\"#icon-${name}\"`\r\n  const width = isArray(size) ? size[0] : size\r\n  const height = isArray(size) ? size[1] : size\r\n  const defaultRules = size ? `width:${width}px;height:${height}px;` : ''\r\n  const cssRules = color ? defaultRules + `color:${color}` : defaultRules\r\n  const svg =\r\n    `` +\r\n    `` +\r\n    ``\r\n  const $icon = document.createElement('i')\r\n\r\n  $icon.className = 'outline-icon'\r\n  $icon.innerHTML = svg\r\n\r\n  return $icon\r\n}\r\n","import isString from '../types/isString'\r\n\r\n/**\r\n * 清楚字符串起始位置所有的空格\r\n * ========================================================================\r\n * @method trim\r\n * @param {string} str\r\n * @returns {string|Boolean}\r\n */\r\nconst trim = (str) => {\r\n  if (!isString(str)) {\r\n    return false\r\n  }\r\n  return str.replace(/^\\s+|\\s+$/g, '')\r\n}\r\n\r\nexport default trim\r\n","import isObject from './isObject'\r\nimport isElement from './isElement'\r\nimport isHTMLCollection from './isHTMLCollection'\r\nimport isFragment from './isFragment'\r\nimport isTextNode from './isTextNode'\r\n\r\nconst isDOM = (el) => {\r\n  return !!(\r\n    isObject(el) &&\r\n    (isElement(el) || isHTMLCollection(el) || isFragment(el) || isTextNode(el))\r\n  )\r\n}\r\n\r\nexport default isDOM\r\n","import toString from '../lang/toString'\r\nimport isObject from './isObject'\r\n\r\nconst isHTMLCollection = (el) => {\r\n  return !!(isObject(el) && toString(el) === '[object NodeList]')\r\n}\r\n\r\nexport default isHTMLCollection\r\n","import toString from '../lang/toString'\r\nimport isObject from './isObject'\r\n\r\nconst isFragment = (fragment) => {\r\n  return !!(\r\n    isObject(fragment) && toString(fragment) === '[object DocumentFragment]'\r\n  )\r\n}\r\n\r\nexport default isFragment\r\n","import toString from '../lang/toString'\r\nimport isObject from './isObject'\r\n\r\nconst isTextNode = (el) => {\r\n  return !!(\r\n    isObject(el) &&\r\n    (toString(el) === '[object Text]' || (el.tagName && el.nodeType === 3))\r\n  )\r\n}\r\n\r\nexport default isTextNode\r\n","/**\r\n * 给 DOM 节点设置属性/值\r\n * ========================================================================\r\n * @method setAttribute\r\n * @param {HTMLElement} el - DOM 节点\r\n * @param {String} attr - 属性名称\r\n * @param {String|Number|Boolean} value - 属性值\r\n */\r\nconst setAttribute = (el, attr, value) => {\r\n  let tagName = el.tagName.toLowerCase()\r\n\r\n  switch (attr) {\r\n    case 'style':\r\n      el.style.cssText = value\r\n      break\r\n    case 'value':\r\n      if (tagName === 'input' || tagName === 'textarea') {\r\n        el.value = value\r\n      } else {\r\n        el.setAttribute(attr, value)\r\n      }\r\n      break\r\n    case 'className':\r\n      el.className = value\r\n      break\r\n    default:\r\n      el.setAttribute(attr, value)\r\n      break\r\n  }\r\n}\r\n\r\nexport default setAttribute\r\n","import hasOwn from '../lang/hasOwn'\r\nimport isObject from '../types/isObject'\r\nimport isString from '../types/isString'\r\nimport isArray from '../types/isArray'\r\nimport isDOM from '../types/isDOM'\r\nimport setAttribute from './setAttribute'\r\n\r\n/**\r\n * 创建 DOM 节点，并添加属性和子节点\r\n * ========================================================================\r\n * @method createElement\r\n * @param {String} tagName - 标签名称\r\n * @param {Object|Array} attrs - 属性对象或者子节点\r\n * @param {Array} [children] - 子节点数组\r\n * @returns {HTMLElement}\r\n */\r\nconst createElement = (tagName, attrs, children) => {\r\n  const $fragment = document.createDocumentFragment()\r\n  const $el = document.createElement(tagName)\r\n  const isValidChild = (child) => {\r\n    return isDOM(child) || isString(child)\r\n  }\r\n  const append = (child) => {\r\n    let $child\r\n\r\n    if (!isValidChild(child)) {\r\n      return false\r\n    }\r\n\r\n    if (isDOM(child)) {\r\n      $child = child\r\n    } else if (isString(child)) {\r\n      $child = document.createTextNode(child)\r\n    }\r\n\r\n    $fragment.appendChild($child)\r\n  }\r\n\r\n  if (isObject(attrs)) {\r\n    Object.keys(attrs).forEach((attr) => {\r\n      if (hasOwn(attrs, attr)) {\r\n        setAttribute($el, attr, attrs[attr])\r\n      }\r\n    })\r\n  } else if (isArray(attrs) && attrs.every((attr) => isValidChild(attr))) {\r\n    attrs.forEach((child) => {\r\n      append(child)\r\n    })\r\n  }\r\n\r\n  if (isArray(children)) {\r\n    children.forEach((child) => {\r\n      append(child)\r\n    })\r\n  } else {\r\n    append(children)\r\n  }\r\n\r\n  $el.appendChild($fragment)\r\n\r\n  return $el\r\n}\r\n\r\nexport default createElement\r\n","import isElement from '../types/isElement'\r\n/**\r\n * 检测 DOM 节点是否包含名为 className 的样式\r\n * ========================================================================\r\n * @method hasClass\r\n * @param {HTMLElement} el - DOM 节点\r\n * @param {String} className - 样式名称\r\n * @returns {Boolean}\r\n */\r\nconst hasClass = (el, className) => {\r\n  const pattern = new RegExp('(\\\\s|^)' + className + '(\\\\s|$)')\r\n  let allClass\r\n  let classList\r\n\r\n  if (!isElement(el)) {\r\n    return false\r\n  }\r\n\r\n  allClass = el.className\r\n\r\n  if (!allClass) {\r\n    return false\r\n  }\r\n\r\n  classList = el.classList\r\n\r\n  if (classList?.contains) {\r\n    return el.classList.contains(className)\r\n  }\r\n\r\n  return !!allClass.match(pattern)\r\n}\r\n\r\nexport default hasClass\r\n","import trim from '../lang/trim'\r\nimport hasClass from './hasClass'\r\n\r\n/**\r\n * 移除 DOM 节点的 className 样式\r\n * ========================================================================\r\n * @method removeClass\r\n * @param {HTMLElement} el - DOM 节点\r\n * @param {String} className - 样式名称\r\n * @returns {Boolean}\r\n */\r\nconst removeClass = (el, className) => {\r\n  let allClass = el.className\r\n  let classList\r\n\r\n  if (!allClass || !hasClass(el, className)) {\r\n    return false\r\n  }\r\n\r\n  classList = el.classList\r\n\r\n  if (classList?.remove) {\r\n    classList.remove(className)\r\n  } else {\r\n    allClass = trim(allClass.replace(className, ''))\r\n    el.className = allClass\r\n  }\r\n}\r\n\r\nexport default removeClass\r\n","import removeClass from './utils/dom/removeClass'\r\nimport isEmpty from './utils/types/isEmpty'\r\nimport trim from './utils/lang/trim'\r\n\r\nconst _resetHeading = ($heading, hasAnchor = true, isAtStart = true) => {\r\n  const CLS_HEADING = 'outline-heading'\r\n  const text = $heading.innerHTML\r\n  let $anchor\r\n\r\n  $heading.innerHTML = text.replace(/^\\d+(?:(\\.?\\d*)*\\s?)?/gi, '')\r\n  $heading.removeAttribute('id')\r\n  $heading.removeAttribute('data-id')\r\n\r\n  removeClass($heading, CLS_HEADING)\r\n\r\n  if (!hasAnchor) {\r\n    return false\r\n  }\r\n\r\n  $anchor = $heading.querySelector(`.${CLS_HEADING}__anchor`)\r\n\r\n  if (isAtStart) {\r\n    removeClass($heading, `${CLS_HEADING}_start`)\r\n  }\r\n\r\n  if (isEmpty(trim($heading.className))) {\r\n    $heading.removeAttribute('class')\r\n  }\r\n\r\n  $heading.removeChild($anchor)\r\n}\r\n\r\nexport default _resetHeading\r\n","import isString from './isString'\r\n/**\r\n * 检测数据是否为空字符串\r\n * ========================================================================\r\n * @method isEmpty\r\n * @param {String} str\r\n * @returns {boolean}\r\n */\r\nconst isEmpty = (str) => {\r\n  return isString(str) && str === ''\r\n}\r\n\r\nexport default isEmpty\r\n","import trim from './utils/lang/trim'\r\nimport stripTags from './utils/lang/stripTags'\r\n\r\nimport _getChaptersWithCode from './_getChaptersWithCode'\r\nimport _getChapterParentIdByDiffer from './_getChapterParentIdByDiffer'\r\n\r\nconst getChapters = (headings, showCode = true) => {\r\n  const chapters = []\r\n  let previous = 1\r\n  let level = 0\r\n\r\n  headings.forEach((heading, i) => {\r\n    const headingLevel = heading.tagName.replace(/h/i, '')\r\n    let current = parseInt(headingLevel, 10)\r\n    let pid = -1\r\n\r\n    // 当前标题的（标题标签）序号 > 前一个标题的序号：两个相连的标题是父标题 -> 子标题关系；\r\n    // h2 （前一个标题）\r\n    // h3 （当前标题）\r\n    if (current > previous) {\r\n      level += 1\r\n\r\n      // 第一层级的 pid 是 -1\r\n      if (level === 1) {\r\n        pid = -1\r\n      } else {\r\n        pid = i - 1\r\n      }\r\n    }\r\n    // 当前标题的（标题标签）序号 = 前一个标题的序号\r\n    // h2 （前一个标题）\r\n    // h2 （当前标题）\r\n    // 当前标题的（标题标签）序号 < 前一个标题的序号，并且当前标题序号 > 当前的级别\r\n    // h2\r\n    // h4 （前一个标题）\r\n    // h3 （当前标题：这种情况我们还是任务 h3 是 h2 的下一级章节）\r\n    else if (current === previous || (current < previous && current > level)) {\r\n      // H1 的层级肯定是 1\r\n      if (current === 1) {\r\n        level = 1\r\n        pid = -1\r\n      } else {\r\n        pid = chapters[i - 1].pid\r\n      }\r\n    } else if (current <= level) {\r\n      // H1 的层级肯定是 1\r\n      if (current === 1) {\r\n        level = 1\r\n      } else {\r\n        level = level - (previous - current)\r\n\r\n        if (level <= 1) {\r\n          level = 1\r\n        }\r\n      }\r\n\r\n      // 第一级的标题\r\n      if (level === 1) {\r\n        pid = -1\r\n      } else {\r\n        // 通过当前标题和前一个标题之间的等级差，获得当前标题的父标题ID\r\n        pid = _getChapterParentIdByDiffer(chapters, previous - current, i)\r\n      }\r\n    }\r\n\r\n    previous = current\r\n\r\n    chapters.push({\r\n      id: i,\r\n      pid: pid,\r\n      level: level,\r\n      rel: `heading-${i}`,\r\n      text: stripTags(trim(heading.innerHTML))\r\n    })\r\n  })\r\n\r\n  return showCode ? _getChaptersWithCode(chapters) : chapters\r\n}\r\n\r\nexport default getChapters\r\n","import isString from '../types/isString'\r\n\r\n/**\r\n * 过滤所有 HTML 标签\r\n * ========================================================================\r\n * @method stripTags\r\n * @param {string} str\r\n * @returns {string}\r\n */\r\nconst stripTags = (str) => {\r\n  if (!isString(str)) {\r\n    return ''\r\n  }\r\n  return str.replace(/<\\/?[^>]+(>|$)/g, '')\r\n}\r\n\r\nexport default stripTags\r\n","const _getChapterParentIdByDiffer = (chapters, differ, index) => {\r\n  let previous = chapters[index - 1]\r\n  let pid\r\n  let i\r\n\r\n  for (i = 0; i < differ; i += 1) {\r\n    pid = previous.pid\r\n    previous = chapters[pid]\r\n  }\r\n\r\n  pid = previous.pid\r\n\r\n  return pid\r\n}\r\n\r\nexport default _getChapterParentIdByDiffer\r\n","const _getChaptersWithCode = (chapters) => {\r\n  const groups = {}\r\n  const cb = (o) => {\r\n    return [o.pid]\r\n  }\r\n\r\n  chapters.forEach((o) => {\r\n    const group = JSON.stringify(cb(o))\r\n\r\n    groups[group] = groups[group] || []\r\n    groups[group].push(o)\r\n\r\n    o.index = groups[group].length\r\n    if (o.pid === -1) {\r\n      o.code = String(o.index)\r\n    }\r\n  })\r\n\r\n  Object.keys(groups).forEach((group) => {\r\n    groups[group].forEach((c, i) => {\r\n      c.index = i + 1\r\n      chapters.forEach((o) => {\r\n        if (o.pid === c.id) {\r\n          o.code = c.code + '.' + o.index\r\n        }\r\n      })\r\n    })\r\n  })\r\n\r\n  return chapters\r\n}\r\n\r\nexport default _getChaptersWithCode\r\n","import Base from './base'\r\n\r\n// 在文章的标题生成 anchor 链接\r\nimport isString from './utils/types/isString'\r\nimport isFunction from './utils/types/isFunction'\r\nimport isElement from './utils/types/isElement'\r\nimport toTree from './utils/lang/toTree'\r\nimport later from './utils/lang/later'\r\nimport scrollTo from './utils/dom/scrollTo'\r\nimport _getScrollElement from './utils/dom/_getScrollElement'\r\nimport offsetTop from './utils/dom/offsetTop'\r\nimport on from './utils/event/on'\r\nimport off from './utils/event/off'\r\nimport stop from './utils/event/stop'\r\nimport publish from './utils/observer/emit'\r\nimport { paintSvgSprites } from './utils/icons'\r\n\r\nimport _updateHeading from './_updateHeading'\r\nimport _resetHeading from './_resetHeading'\r\nimport getChapters from './getChapters'\r\n\r\nclass Anchors extends Base {\r\n  constructor(options) {\r\n    super()\r\n\r\n    this.attrs = Anchors.DEFAULTS\r\n    this.$articleElement = null\r\n    this.$scrollElement = null\r\n    this.$headings = []\r\n\r\n    this.chapters = []\r\n\r\n    if (options) {\r\n      this.initialize(options)\r\n    }\r\n  }\r\n\r\n  initialize(options) {\r\n    let created\r\n    let scrollElement\r\n    let selector\r\n    let $articleElement\r\n    let articleElement\r\n\r\n    this.attr(options)\r\n    articleElement = this.attr('articleElement')\r\n    scrollElement = this.attr('scrollElement')\r\n    selector = this.attr('selector')\r\n    created = this.attr('created')\r\n\r\n    if (isString(articleElement)) {\r\n      $articleElement = document.querySelector(articleElement)\r\n    } else if (isElement(articleElement)) {\r\n      $articleElement = articleElement\r\n    }\r\n\r\n    if (!$articleElement) {\r\n      return this\r\n    }\r\n\r\n    this.$articleElement = $articleElement\r\n    this.$scrollElement = _getScrollElement(scrollElement)\r\n    this.$headings = [...$articleElement.querySelectorAll(selector)]\r\n\r\n    if (this.$headings.length < 1) {\r\n      return this\r\n    }\r\n\r\n    this.chapters = getChapters(this.$headings)\r\n\r\n    if (isFunction(created)) {\r\n      created.call(this)\r\n    }\r\n\r\n    this.render().addListeners()\r\n\r\n    return this\r\n  }\r\n\r\n  getChapters(isTreeStructured = false) {\r\n    const chapters = this.chapters\r\n    return isTreeStructured ? toTree(chapters, 'id', 'pid') : chapters\r\n  }\r\n\r\n  count() {\r\n    return this.chapters.length\r\n  }\r\n\r\n  render() {\r\n    const mounted = this.attr('mounted')\r\n    const hasAnchor = this.attr('hasAnchor')\r\n    const isAtStart = this.attr('isAtStart')\r\n    const showCode = this.attr('showCode')\r\n    const anchorURL = this.attr('anchorURL')\r\n    const $headings = this.$headings\r\n    const chapters = this.getChapters()\r\n\r\n    paintSvgSprites()\r\n\r\n    $headings.forEach(($heading, i) => {\r\n      const chapterCode = chapters[i].code\r\n      _updateHeading($heading, i, {\r\n        hasAnchor,\r\n        isAtStart,\r\n        showCode,\r\n        chapterCode,\r\n        anchorURL\r\n      })\r\n    })\r\n\r\n    if (isFunction(mounted)) {\r\n      mounted.call(this)\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  scrollTo(top, after) {\r\n    const el = this.$scrollElement\r\n\r\n    scrollTo(el, top, after)\r\n\r\n    return this\r\n  }\r\n\r\n  destroy() {\r\n    const hasAnchor = this.attr('hasAnchor')\r\n    const isAtStart = this.attr('isAtStart')\r\n    const beforeDestroy = this.attr('beforeDestroy')\r\n    const afterDestroy = this.attr('afterDestroy')\r\n    const $headings = this.$headings\r\n\r\n    if (isFunction(beforeDestroy)) {\r\n      beforeDestroy.call(this)\r\n    }\r\n\r\n    this.removeListeners()\r\n    $headings.forEach(($heading) => {\r\n      _resetHeading($heading, hasAnchor, isAtStart)\r\n    })\r\n\r\n    this.attr(Anchors.DEFAULTS)\r\n    this.$articleElement = null\r\n    this.$scrollElement = null\r\n    this.$headings = []\r\n    this.chapters = []\r\n\r\n    if (isFunction(afterDestroy)) {\r\n      afterDestroy.call(this)\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  onAnchorTrigger(evt) {\r\n    const anchorURL = this.attr('anchorURL')\r\n    const afterScroll = this.attr('afterScroll')\r\n    const stickyHeight = this.attr('stickyHeight')\r\n    const $anchor = evt.delegateTarget\r\n    const $heading = $anchor.parentNode\r\n    const top = offsetTop($heading) - (stickyHeight + 10)\r\n    const $scrollElement = this.$scrollElement\r\n    const min = 0\r\n    const max = $scrollElement.scrollHeight - $scrollElement.clientHeight\r\n    const after = () => {\r\n      if (isFunction(afterScroll)) {\r\n        afterScroll.call(this, 'anchor')\r\n      }\r\n\r\n      later(() => {\r\n        publish('toolbar:update', {\r\n          top,\r\n          min,\r\n          max\r\n        })\r\n      })\r\n    }\r\n\r\n    this.scrollTo(top, after)\r\n\r\n    if (!anchorURL) {\r\n      stop(evt)\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  addListeners() {\r\n    const $articleElement = this.$articleElement\r\n\r\n    on(\r\n      $articleElement,\r\n      '.outline-heading__anchor',\r\n      'click',\r\n      this.onAnchorTrigger,\r\n      this,\r\n      true\r\n    )\r\n\r\n    return this\r\n  }\r\n\r\n  removeListeners() {\r\n    const $articleElement = this.$articleElement\r\n\r\n    off($articleElement, 'click', this.onAnchorTrigger)\r\n\r\n    return this\r\n  }\r\n}\r\n\r\nAnchors.DEFAULTS = {\r\n  scrollElement: 'html,body',\r\n  articleElement: '#article',\r\n  selector: 'h1,h2,h3,h4,h5,h6',\r\n  stickyHeight: 0,\r\n  anchorURL: '',\r\n  hasAnchor: true,\r\n  isAtStart: true,\r\n  showCode: false,\r\n  created: null,\r\n  mounted: null,\r\n  afterScroll: null,\r\n  beforeDestroy: null,\r\n  afterDestroy: null\r\n}\r\n\r\nexport default Anchors\r\n","const toTree = (list, nodeKey, parentKey) => {\r\n  const map = {}\r\n  const roots = []\r\n\r\n  list.forEach((item, i) => {\r\n    // initialize the map\r\n    map[item[nodeKey]] = i\r\n    // initialize the children\r\n    item.children = []\r\n  })\r\n\r\n  list.forEach((item) => {\r\n    const node = list[map[item[parentKey]]]\r\n\r\n    if (item[parentKey] !== -1) {\r\n      // if you have dangling branches check that map[node.parentId] exists\r\n      node.children.push(item)\r\n    } else {\r\n      roots.push(item)\r\n    }\r\n  })\r\n\r\n  return roots\r\n}\r\n\r\nexport default toTree\r\n","import trim from './utils/lang/trim'\r\nimport createElement from './utils/dom/createElement'\r\nimport setAttribute from './utils/dom/setAttribute'\r\n\r\nimport { createSvgIcon } from './utils/icons'\r\n\r\nconst _updateHeading = ($heading, i, options) => {\r\n  const CLS_HEADING = 'outline-heading'\r\n  const hasAnchor = options.hasAnchor || true\r\n  const isAtStart = options.isAtStart || true\r\n  const showCode = options.showCode || false\r\n  const chapterCode = options.chapterCode || ''\r\n  const anchorURL = options.anchorURL || ''\r\n  const headingId = `heading-${i}`\r\n  const attrs = {\r\n    id: headingId,\r\n    className: isAtStart ? `${CLS_HEADING} ${CLS_HEADING}_start` : CLS_HEADING,\r\n    'data-id': i\r\n  }\r\n  const keys = Object.keys(attrs)\r\n  const text = trim($heading.innerHTML)\r\n  let $anchor\r\n  let $icon\r\n\r\n  keys.forEach((prop) => {\r\n    setAttribute($heading, prop, attrs[prop])\r\n  })\r\n\r\n  if (showCode) {\r\n    $heading.innerHTML = chapterCode + ' ' + text\r\n  }\r\n\r\n  if (!hasAnchor) {\r\n    return false\r\n  }\r\n\r\n  $icon = createSvgIcon('hash')\r\n  $anchor = createElement(\r\n    'a',\r\n    {\r\n      id: `anchor-${i}`,\r\n      className: `${CLS_HEADING}__anchor anchor-${i}`,\r\n      href: anchorURL ? anchorURL : `#${headingId}`,\r\n      target: anchorURL ? '_blank' : 'self',\r\n      'data-id': i\r\n    },\r\n    [$icon]\r\n  )\r\n  $heading.appendChild($anchor)\r\n}\r\n\r\nexport default _updateHeading\r\n","import hasClass from './hasClass'\r\n\r\n/**\r\n * 给 DOM 节点添加名为 className 的样式\r\n * ========================================================================\r\n * @method addClass\r\n * @param {HTMLElement} el - DOM 节点\r\n * @param {String} className - 样式名称\r\n * @returns {Boolean}\r\n */\r\nconst addClass = (el, className) => {\r\n  let classList\r\n  let allClass\r\n\r\n  if (hasClass(el, className)) {\r\n    return false\r\n  }\r\n\r\n  classList = el.classList\r\n\r\n  if (classList?.add) {\r\n    classList.add(className)\r\n  } else {\r\n    allClass = el.className\r\n    allClass += allClass.length > 0 ? ' ' + className : className\r\n    el.className = allClass\r\n  }\r\n}\r\n\r\nexport default addClass\r\n","const setProperty = (prop, value) => {\r\n  const documentElement = document.documentElement\r\n  documentElement.style.setProperty(prop, value)\r\n}\r\n\r\nexport default setProperty\r\n","import setProperty from './utils/dom/setProperty'\r\n\r\nlet index = 2000\r\n\r\nconst zIndex = (idx) => {\r\n  if (idx) {\r\n    index = idx\r\n  } else {\r\n    index += 1\r\n  }\r\n\r\n  setProperty('--outline-zIndex', `${index}`)\r\n\r\n  return index\r\n}\r\n\r\nexport default zIndex\r\n","import Base from './base'\r\n\r\nimport later from './utils/lang/later'\r\nimport isFunction from './utils/types/isFunction'\r\nimport addClass from './utils/dom/addClass'\r\nimport removeClass from './utils/dom/removeClass'\r\nimport createElement from './utils/dom/createElement'\r\nimport on from './utils/event/on'\r\nimport off from './utils/event/off'\r\n\r\nimport { paintSvgSprites, createSvgIcon } from './utils/icons'\r\nimport zIndex from './zIndex'\r\n\r\nclass Drawer extends Base {\r\n  constructor(options) {\r\n    super()\r\n\r\n    this.attrs = Drawer.DEFAULTS\r\n    this.title = ''\r\n    this.closed = true\r\n    this.$el = null\r\n    this.$modal = null\r\n    this.$header = null\r\n    this.$title = null\r\n    this.$close = null\r\n    this.$main = null\r\n    this.$footer = null\r\n    this.$overlay = null\r\n    this.zIndex = 0\r\n\r\n    if (options) {\r\n      this.initialize(options)\r\n    }\r\n  }\r\n\r\n  initialize(options) {\r\n    let created\r\n\r\n    this.attr(options)\r\n\r\n    this.title = this.attr('title')\r\n    created = this.attr('created')\r\n\r\n    if (isFunction(created)) {\r\n      created.call(this)\r\n    }\r\n\r\n    this.render().addListeners()\r\n    return this\r\n  }\r\n\r\n  setTitle(title) {\r\n    this.attr('title', title)\r\n    this.title = title\r\n    this.$title.innerHTML = title\r\n\r\n    return this\r\n  }\r\n\r\n  isClosed() {\r\n    return this.closed\r\n  }\r\n\r\n  render() {\r\n    const mounted = this.attr('mounted')\r\n    const size = this.attr('size')\r\n    const placement = this.attr('placement')\r\n    const hasClose = this.attr('hasClose')\r\n    const hasOverlay = this.attr('hasOverlay')\r\n    const hasOffset = this.attr('hasOffset')\r\n    const hasPadding = this.attr('hasPadding')\r\n    const autoHeight = this.attr('autoHeight')\r\n    const customClass = this.attr('customClass')\r\n    const $fragment = document.createDocumentFragment()\r\n    let $el\r\n    let $modal\r\n    let $header\r\n    let $title\r\n    let $close\r\n    let $main\r\n    let $footer\r\n    let $overlay\r\n\r\n    paintSvgSprites()\r\n    this.zIndex = zIndex()\r\n\r\n    $title = createElement(\r\n      'h2',\r\n      {\r\n        className: 'outline-drawer__title'\r\n      },\r\n      [this.title]\r\n    )\r\n    this.$title = $title\r\n\r\n    if (hasClose) {\r\n      $close = createElement(\r\n        'div',\r\n        {\r\n          className: 'outline-drawer__close'\r\n        },\r\n        [createSvgIcon('close', 20)]\r\n      )\r\n      this.$close = $close\r\n    }\r\n\r\n    $header = createElement(\r\n      'header',\r\n      {\r\n        className: 'outline-drawer__header'\r\n      },\r\n      [$title, $close]\r\n    )\r\n    this.$header = $header\r\n\r\n    $main = createElement(\r\n      'div',\r\n      {\r\n        className: 'outline-drawer__main'\r\n      },\r\n      ['']\r\n    )\r\n    this.$main = $main\r\n\r\n    if (!hasPadding) {\r\n      addClass($main, 'outline-drawer_full')\r\n    }\r\n\r\n    $footer = createElement(\r\n      'footer',\r\n      {\r\n        className: 'outline-drawer__footer'\r\n      },\r\n      ['']\r\n    )\r\n    this.$footer = $footer\r\n\r\n    $modal = createElement(\r\n      'div',\r\n      {\r\n        className: `outline-drawer__modal outline-drawer_${placement} outline-drawer_${size} outline-drawer_closed`\r\n      },\r\n      [$header, $main, $footer]\r\n    )\r\n    this.$modal = $modal\r\n\r\n    if (hasOffset) {\r\n      addClass($modal, 'outline-drawer_offset')\r\n    }\r\n\r\n    if (autoHeight) {\r\n      addClass($modal, 'outline-drawer_auto')\r\n    }\r\n\r\n    if (customClass) {\r\n      addClass($modal, customClass)\r\n    }\r\n\r\n    if (hasOverlay) {\r\n      $overlay = createElement(\r\n        'div',\r\n        {\r\n          className: 'outline-drawer__overlay'\r\n        },\r\n        ['']\r\n      )\r\n      this.$overlay = $overlay\r\n    }\r\n\r\n    $el = createElement(\r\n      'div',\r\n      {\r\n        className: `outline-drawer`\r\n      },\r\n      [$modal, $overlay]\r\n    )\r\n    this.$el = $el\r\n    $fragment.appendChild($el)\r\n    document.body.appendChild($fragment)\r\n\r\n    if (isFunction(mounted)) {\r\n      mounted.call(this)\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  open() {\r\n    const opened = this.attr('afterOpened')\r\n    const $modal = this.$modal\r\n\r\n    addClass(this.$el, 'outline-drawer_opened')\r\n    removeClass($modal, 'outline-drawer_closed')\r\n    addClass($modal, 'outline-drawer_opened')\r\n\r\n    later(() => {\r\n      this.closed = false\r\n\r\n      if (isFunction(opened)) {\r\n        opened.call(this)\r\n      }\r\n    })\r\n\r\n    return this\r\n  }\r\n\r\n  close() {\r\n    const closed = this.attr('afterClosed')\r\n    const $modal = this.$modal\r\n\r\n    removeClass($modal, 'outline-drawer_opened')\r\n    addClass($modal, 'outline-drawer_closed')\r\n\r\n    later(() => {\r\n      removeClass(this.$el, 'outline-drawer_opened')\r\n      this.closed = true\r\n\r\n      if (isFunction(closed)) {\r\n        closed.call(this)\r\n      }\r\n    })\r\n\r\n    return this\r\n  }\r\n\r\n  toggle() {\r\n    const afterToggle = this.attr('afterToggle')\r\n    const closed = this.isClosed()\r\n\r\n    if (closed) {\r\n      this.open()\r\n    } else {\r\n      this.close()\r\n    }\r\n\r\n    if (isFunction(afterToggle)) {\r\n      later(() => {\r\n        afterToggle.call(this, closed)\r\n      })\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  destroy() {\r\n    const afterDestroy = this.attr('afterDestroy')\r\n    const beforeDestroy = this.attr('beforeDestroy')\r\n    let index = this.zIndex\r\n\r\n    if (isFunction(beforeDestroy)) {\r\n      beforeDestroy.call(this)\r\n    }\r\n\r\n    this.removeListeners()\r\n\r\n    this.attrs = Drawer.DEFAULTS\r\n    this.title = ''\r\n    this.closed = false\r\n    this.$el = null\r\n    this.$modal = null\r\n    this.$header = null\r\n    this.$title = null\r\n    this.$close = null\r\n    this.$main = null\r\n    this.$footer = null\r\n    this.$overlay = null\r\n\r\n    index -= 1\r\n    zIndex(index)\r\n    this.zIndex = 0\r\n\r\n    if (isFunction(afterDestroy)) {\r\n      afterDestroy.call(this)\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  addListeners() {\r\n    const hasClose = this.attr('hasClose')\r\n    const hasOverlay = this.attr('hasOverlay')\r\n    const $el = this.$el\r\n\r\n    if (hasClose) {\r\n      on($el, '.outline-drawer__close', 'click', this.onClose, this, true)\r\n    }\r\n\r\n    if (hasOverlay) {\r\n      on($el, '.outline-drawer__overlay', 'click', this.onClose, this, true)\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  removeListeners() {\r\n    const hasClose = this.attr('hasClose')\r\n    const hasOverlay = this.attr('hasOverlay')\r\n    const $el = this.$el\r\n\r\n    if (!hasClose && !hasOverlay) {\r\n      return this\r\n    }\r\n\r\n    off($el, 'click', this.onClose)\r\n\r\n    return this\r\n  }\r\n\r\n  onClose() {\r\n    this.close()\r\n    return this\r\n  }\r\n}\r\n\r\nDrawer.DEFAULTS = {\r\n  placement: 'rtl',\r\n  title: '标题',\r\n  size: 'regular',\r\n  hasClose: true,\r\n  hasOverlay: true,\r\n  hasOffset: false,\r\n  hasPadding: true,\r\n  autoHeight: true,\r\n  created: null,\r\n  mounted: null,\r\n  afterClosed: null,\r\n  afterOpened: null,\r\n  afterScroll: null,\r\n  beforeDestroy: null,\r\n  afterDestroy: null,\r\n  afterToggle: null\r\n}\r\n\r\nexport default Drawer\r\n","import isFunction from '../types/isFunction'\r\nimport off from './off'\r\n\r\nimport { CAPTURE_EVENTS } from './enum'\r\n\r\n/**\r\n * 绑定事件\r\n * ========================================================================\r\n * @method at\r\n * @param {HTMLElement|String|Object} el - （必须）绑定代理事件的 DOM 节点\r\n * @param {String|Function} type - （必须）事件类型或者事件处理器回调函数\r\n * @param {Function|Object} fn - （必须） 事件处理器回调函数或者传递给事件处理器回调函数的数据对象\r\n * @param {Object|Boolean} [data] - （可选）传递给事件处理器回调函数的数据对象或者事件处理器回调函数的 this 上下文指向，\r\n * @param {Object|Boolean} [context] - （可选）事件处理器回调函数的 this 上下文指向，或者是否仅触发一次\r\n * 当设置为 true 时，则事件处理器回调函数的 this 上下文指向为 data 对象\r\n * @param {Boolean} once - （可选）是否仅触发一次\r\n */\r\nconst at = (el, type, fn, data, context, once = false) => {\r\n  // CAPTURE_EVENTS 中的特殊事件，采用事件捕获模型\r\n  const capture = CAPTURE_EVENTS.indexOf(type) > -1\r\n  const listener = function (evt) {\r\n    let overrideContext = context || el\r\n\r\n    // 当设置为 true 时，则事件处理器回调函数的\r\n    // this 上下文指向为 data 对象\r\n    if (context === true) {\r\n      overrideContext = data\r\n    }\r\n\r\n    // 仅触发一次\r\n    /* istanbul ignore else */\r\n    if (once === true) {\r\n      off(el, type, listener)\r\n    }\r\n\r\n    fn.call(overrideContext, evt, data)\r\n  }\r\n\r\n  if (!isFunction(fn)) {\r\n    return false\r\n  }\r\n\r\n  if (!el._listeners) {\r\n    el._listeners = []\r\n  }\r\n\r\n  // 缓存 options 元素绑定的事件处理器\r\n  el._listeners.push({\r\n    el,\r\n    type,\r\n    fn: listener,\r\n    data,\r\n    context,\r\n    capture\r\n  })\r\n\r\n  // 缓存包装后的事件处理器\r\n  fn._delegateListener = listener\r\n\r\n  el.addEventListener(type, listener, capture)\r\n}\r\n\r\nexport default at\r\n","import Base from './base'\r\n\r\nimport isString from './utils/types/isString'\r\nimport isFunction from './utils/types/isFunction'\r\nimport isElement from './utils/types/isElement'\r\nimport later from './utils/lang/later'\r\nimport at from './utils/event/at'\r\nimport on from './utils/event/on'\r\nimport off from './utils/event/off'\r\nimport stop from './utils/event/stop'\r\nimport createElement from './utils/dom/createElement'\r\nimport scrollTo from './utils/dom/scrollTo'\r\nimport addClass from './utils/dom/addClass'\r\nimport intersection from './utils/dom/intersection'\r\nimport removeClass from './utils/dom/removeClass'\r\nimport offsetTop from './utils/dom/offsetTop'\r\nimport setProperty from './utils/dom/setProperty'\r\nimport publish from './utils/observer/emit'\r\n\r\nimport _getScrollElement from './utils/dom/_getScrollElement'\r\nimport _paintChapters from './_paintChapters'\r\n\r\nclass Chapters extends Base {\r\n  constructor(options) {\r\n    super()\r\n\r\n    this.attrs = Chapters.DEFAULTS\r\n    this.$el = null\r\n    this.$title = null\r\n    this.$main = null\r\n    this.$list = null\r\n    this.$placeholder = null\r\n    this.$parentElement = null\r\n    this.$scrollElement = null\r\n    this.chapters = []\r\n    this.closed = false\r\n    this.active = 0\r\n    this.offsetTop = 0\r\n    this.offsetWidth = 0\r\n    this.$active = null\r\n    this.scrollTimer = null\r\n    this.resizeTimer = null\r\n    this.playing = false\r\n\r\n    if (options) {\r\n      this.initialize(options)\r\n    }\r\n  }\r\n\r\n  initialize(options) {\r\n    let created\r\n    let parentElement\r\n    let scrollElement\r\n    let $parent\r\n\r\n    this.attr(options)\r\n    created = this.attr('created')\r\n    parentElement = this.attr('parentElement')\r\n    scrollElement = this.attr('scrollElement')\r\n\r\n    if (isString(parentElement)) {\r\n      $parent = document.querySelector(parentElement)\r\n    } else if (isElement(parentElement)) {\r\n      $parent = parentElement\r\n    }\r\n    this.$parentElement = $parent\r\n    this.$scrollElement = _getScrollElement(scrollElement)\r\n\r\n    this.chapters = this.attr('chapters')\r\n    this.closed = this.attr('closed')\r\n    this.active = this.attr('active')\r\n\r\n    if (isFunction(created)) {\r\n      created.call(this)\r\n    }\r\n\r\n    if (this.chapters.length < 1) {\r\n      return this\r\n    }\r\n\r\n    this.render().addListeners()\r\n\r\n    this.$active = document.querySelector(`#chapter-${this.active}`)\r\n\r\n    return this\r\n  }\r\n\r\n  isClosed() {\r\n    return this.closed\r\n  }\r\n\r\n  isSticky() {\r\n    const position = this.attr('position')\r\n    return position === 'sticky'\r\n  }\r\n\r\n  isFixed() {\r\n    const position = this.attr('position')\r\n    return position === 'fixed'\r\n  }\r\n\r\n  isInside() {\r\n    return this.isFixed() || this.isSticky()\r\n  }\r\n\r\n  isOutside() {\r\n    return !this.isInside()\r\n  }\r\n\r\n  _paintEdge() {\r\n    const STICKY = 'outline-chapters_sticky'\r\n    const FIXED = 'outline-chapters_fixed'\r\n    const HIDDEN = 'outline-chapters_hidden'\r\n    const title = this.attr('title')\r\n    const customClass = this.attr('customClass')\r\n    const $parentElement = this.$parentElement\r\n    const contents = []\r\n    let $title = null\r\n    let $el\r\n    let $main\r\n    let $list\r\n    let $placeholder\r\n\r\n    if (!$parentElement) {\r\n      return this\r\n    }\r\n\r\n    if (this.isInside()) {\r\n      $title = createElement(\r\n        'h2',\r\n        {\r\n          className: 'outline-chapters__title'\r\n        },\r\n        [title]\r\n      )\r\n      this.$title = $title\r\n      contents.push($title)\r\n    }\r\n\r\n    $list = createElement(\r\n      'ul',\r\n      {\r\n        // 为优化性能，添加了 _fixed 和 _hidden\r\n        // fixed 为了让 $list 脱离流布局\r\n        // hidden 让 $list 不可见\r\n        className: `outline-chapters__list ${FIXED} ${HIDDEN}`\r\n      },\r\n      ['']\r\n    )\r\n    this.$list = $list\r\n\r\n    $placeholder = createElement(\r\n      'div',\r\n      {\r\n        className: 'outline-chapters__placeholder'\r\n      },\r\n      ['']\r\n    )\r\n    this.$placeholder = $placeholder\r\n\r\n    $main = createElement(\r\n      'div',\r\n      {\r\n        className: 'outline-chapters__main'\r\n      },\r\n      [$list, $placeholder]\r\n    )\r\n    this.$main = $main\r\n    contents.push($main)\r\n\r\n    $el = createElement(\r\n      'nav',\r\n      {\r\n        id: 'outline-chapters',\r\n        className: 'outline-chapters'\r\n      },\r\n      contents\r\n    )\r\n    this.$el = $el\r\n\r\n    if (this.isSticky()) {\r\n      this.calculateStickyHeight()\r\n      addClass($el, STICKY)\r\n    }\r\n\r\n    if (customClass) {\r\n      addClass($el, customClass)\r\n    }\r\n\r\n    $parentElement.appendChild($el)\r\n\r\n    return this\r\n  }\r\n\r\n  render() {\r\n    const FIXED = 'outline-chapters_fixed'\r\n    const HIDDEN = 'outline-chapters_hidden'\r\n    const showCode = this.attr('showCode')\r\n    const mounted = this.attr('mounted')\r\n    const $parentElement = this.$parentElement\r\n    let $el\r\n    let $list\r\n\r\n    if (!$parentElement) {\r\n      return this\r\n    }\r\n\r\n    this._paintEdge()\r\n\r\n    $list = this.$list\r\n    _paintChapters($list, this.chapters, showCode)\r\n    removeClass($list, FIXED)\r\n    removeClass($list, HIDDEN)\r\n\r\n    $el = this.$el\r\n    this.offsetTop = offsetTop($el)\r\n    this.offsetWidth = $el.offsetWidth\r\n\r\n    if (this.isFixed()) {\r\n      this.sticky()\r\n      setProperty('--outline-chapters-width', `${this.offsetWidth}px`)\r\n    }\r\n\r\n    if (isFunction(mounted)) {\r\n      mounted.call(this)\r\n    }\r\n\r\n    this.onObserver()\r\n\r\n    return this\r\n  }\r\n\r\n  highlight(id) {\r\n    const $anchor = this.$el.querySelector(`#chapter__anchor-${id}`)\r\n    const HIGHLIGHT = 'outline-chapters_active'\r\n    const $placeholder = this.$placeholder\r\n    let top\r\n\r\n    if (this.$active) {\r\n      removeClass(this.$active, HIGHLIGHT)\r\n    }\r\n\r\n    this.active = parseInt($anchor.getAttribute('data-id'), 10)\r\n    this.$active = $anchor\r\n    addClass(this.$active, HIGHLIGHT)\r\n\r\n    top = 30 * this.active\r\n    $placeholder.style.top = `calc(0.5em + ${top}px)`\r\n\r\n    return this\r\n  }\r\n\r\n  sticky() {\r\n    const afterSticky = this.attr('afterSticky')\r\n    const FIXED = 'outline-chapters_fixed'\r\n    const $el = this.$el\r\n    const top = this.offsetTop\r\n    const scrollTop = this.$scrollElement.scrollTop\r\n    let isStickying\r\n\r\n    if (!this.isFixed()) {\r\n      return this\r\n    }\r\n\r\n    isStickying = !!(scrollTop >= top)\r\n\r\n    if (isStickying) {\r\n      addClass($el, FIXED)\r\n    } else {\r\n      removeClass($el, FIXED)\r\n    }\r\n\r\n    if (isFunction(afterSticky)) {\r\n      afterSticky.call(this, this.isClosed(), isStickying)\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  calculateStickyHeight() {\r\n    const documentElement = document.documentElement\r\n    const height = Math.max(\r\n      documentElement.clientHeight || 0,\r\n      window.innerHeight || 0\r\n    )\r\n    setProperty('--outline-sticky-height', `${height}px`)\r\n    return this\r\n  }\r\n\r\n  scrollTo(top, after) {\r\n    const el = this.$scrollElement\r\n\r\n    scrollTo(el, top, after)\r\n\r\n    return this\r\n  }\r\n\r\n  show() {\r\n    const FOLDED = 'outline-chapters_folded'\r\n    const HIDDEN = 'outline-chapters_hidden'\r\n    const opened = this.attr('afterOpened')\r\n    const $el = this.$el\r\n    const $parent = this.$parentElement\r\n\r\n    if (this.isInside()) {\r\n      removeClass($parent, HIDDEN)\r\n      removeClass($el, HIDDEN)\r\n      later(() => {\r\n        removeClass($parent, FOLDED)\r\n        removeClass($el, FOLDED)\r\n      }, 30)\r\n    } else {\r\n      removeClass($el, HIDDEN)\r\n    }\r\n    this.closed = false\r\n\r\n    if (isFunction(opened)) {\r\n      opened.call(this)\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  hide() {\r\n    const FOLDED = 'outline-chapters_folded'\r\n    const HIDDEN = 'outline-chapters_hidden'\r\n    const closed = this.attr('afterClosed')\r\n    const $el = this.$el\r\n    const $parent = this.$parentElement\r\n\r\n    if (this.isInside()) {\r\n      addClass($parent, FOLDED)\r\n      addClass($el, FOLDED)\r\n      later(() => {\r\n        addClass($parent, HIDDEN)\r\n        addClass($el, HIDDEN)\r\n      })\r\n    } else {\r\n      addClass($el, HIDDEN)\r\n    }\r\n    this.closed = true\r\n\r\n    if (isFunction(closed)) {\r\n      closed.call(this)\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  toggle() {\r\n    const afterToggle = this.attr('afterToggle')\r\n    const top = this.offsetTop\r\n    const scrollTop = this.$scrollElement.scrollTop\r\n    let isStickying\r\n\r\n    if (this.isClosed()) {\r\n      this.show()\r\n    } else {\r\n      this.hide()\r\n    }\r\n\r\n    if (isFunction(afterToggle)) {\r\n      later(() => {\r\n        isStickying = !!(scrollTop >= top)\r\n        afterToggle.call(this, this.isClosed(), isStickying)\r\n      })\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  destroy() {\r\n    const beforeDestroy = this.attr('beforeDestroy')\r\n    const afterDestroy = this.attr('afterDestroy')\r\n\r\n    if (isFunction(beforeDestroy)) {\r\n      beforeDestroy.call(this)\r\n    }\r\n\r\n    this.removeListeners()\r\n    this.$parentElement.removeChild(this.$el)\r\n\r\n    this.attr(Chapters.DEFAULTS)\r\n    this.$el = null\r\n    this.$title = null\r\n    this.$main = null\r\n    this.$list = null\r\n    this.$placeholder = null\r\n    this.$parentElement = null\r\n    this.$scrollElement = null\r\n    this.chapters = []\r\n    this.active = 0\r\n    this.offsetTop = 0\r\n    this.$active = null\r\n    this.closed = false\r\n\r\n    if (this.scrollTimer) {\r\n      clearTimeout(this.scrollTimer)\r\n      this.scrollTimer = null\r\n    }\r\n\r\n    if (this.resizeTimer) {\r\n      clearTimeout(this.resizeTimer)\r\n      this.resizeTimer = null\r\n    }\r\n\r\n    if (isFunction(afterDestroy)) {\r\n      afterDestroy.call(this)\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  onObserver() {\r\n    let timer = null\r\n\r\n    intersection(\r\n      ($heading) => {\r\n        const id = $heading.getAttribute('data-id')\r\n\r\n        if (this.playing) {\r\n          return false\r\n        }\r\n\r\n        if (timer) {\r\n          clearTimeout(timer)\r\n        }\r\n\r\n        timer = later(() => {\r\n          this.highlight(id)\r\n        }, 100)\r\n      },\r\n      { context: this }\r\n    )\r\n\r\n    return this\r\n  }\r\n\r\n  onSelect(evt) {\r\n    const stickyHeight = this.attr('stickyHeight')\r\n    const $anchor = evt.delegateTarget\r\n    const id = $anchor.getAttribute('data-id')\r\n    const headingId = $anchor.href.split('#')[1]\r\n    const $heading = document.querySelector(`#${headingId}`)\r\n    const top = offsetTop($heading) - (stickyHeight + 10)\r\n    const min = 0\r\n    const max = this.$scrollElement.scrollHeight\r\n    const afterScroll = this.attr('afterScroll')\r\n    const after = () => {\r\n      if (isFunction(afterScroll)) {\r\n        afterScroll.call(this, 'chapter')\r\n      }\r\n\r\n      later(() => {\r\n        this.playing = false\r\n        publish('toolbar:update', {\r\n          top,\r\n          min,\r\n          max\r\n        })\r\n      })\r\n    }\r\n\r\n    this.playing = true\r\n    if (this.isFixed()) {\r\n      this.sticky()\r\n      later(() => {\r\n        this.scrollTo(top, after)\r\n        this.highlight(id)\r\n      }, 10)\r\n    } else {\r\n      this.scrollTo(top, after)\r\n      this.highlight(id)\r\n    }\r\n\r\n    stop(evt)\r\n\r\n    return this\r\n  }\r\n\r\n  onScroll() {\r\n    const $scrollElement = this.$scrollElement\r\n\r\n    if (this.scrollTimer) {\r\n      clearTimeout(this.scrollTimer)\r\n    }\r\n\r\n    this.scrollTimer = later(() => {\r\n      const top = $scrollElement.scrollTop\r\n      const min = 0\r\n      const max = $scrollElement.scrollHeight - $scrollElement.clientHeight\r\n\r\n      if (this.isFixed()) {\r\n        this.sticky()\r\n      }\r\n\r\n      publish('toolbar:update', {\r\n        top,\r\n        min,\r\n        max\r\n      })\r\n    }, 50)\r\n\r\n    return this\r\n  }\r\n\r\n  onResize() {\r\n    if (this.resizeTimer) {\r\n      clearTimeout(this.resizeTimer)\r\n    }\r\n\r\n    this.resizeTimer = later(() => {\r\n      this.calculateStickyHeight()\r\n    })\r\n\r\n    return this\r\n  }\r\n\r\n  addListeners() {\r\n    const $el = this.$el\r\n    const $scrollElement = this.$scrollElement\r\n    const tagName = $scrollElement.tagName.toLowerCase()\r\n    let $element = $scrollElement\r\n\r\n    if (tagName === 'html' || tagName === 'body') {\r\n      $element = window\r\n    }\r\n\r\n    on($el, '.outline-chapters__anchor', 'click', this.onSelect, this, true)\r\n    at($element, 'scroll', this.onScroll, this, true)\r\n    if (this.isSticky()) {\r\n      at($element, 'resize', this.onResize, this, true)\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  removeListeners() {\r\n    const $el = this.$el\r\n    const $scrollElement = this.$scrollElement\r\n    const tagName = $scrollElement.tagName.toLowerCase()\r\n    let $element = $scrollElement\r\n\r\n    if (tagName === 'html' || tagName === 'body') {\r\n      $element = window\r\n    }\r\n\r\n    off($el, 'click', this.onSelect)\r\n    off($element, 'scroll', this.onScroll)\r\n    if (this.isSticky()) {\r\n      at($element, 'resize', this.onResize)\r\n    }\r\n\r\n    return this\r\n  }\r\n}\r\n\r\nChapters.DEFAULTS = {\r\n  parentElement: '',\r\n  scrollElement: '',\r\n  selector: '',\r\n  active: 0,\r\n  closed: false,\r\n  showCode: true,\r\n  position: 'relative',\r\n  stickyHeight: 0,\r\n  chapters: [],\r\n  created: null,\r\n  mounted: null,\r\n  afterClosed: null,\r\n  afterOpened: null,\r\n  afterScroll: null,\r\n  beforeDestroy: null,\r\n  afterDestroy: null,\r\n  afterSticky: null\r\n}\r\n\r\nexport default Chapters\r\n","import createElement from './utils/dom/createElement'\r\n\r\nconst _paintChapters = ($list, chapters, showCode = false) => {\r\n  const byId = (id) => document.getElementById(id)\r\n\r\n  chapters.forEach((chapter) => {\r\n    const pid = chapter.pid\r\n    const id = chapter.id\r\n    const rel = chapter.rel\r\n    const $text = createElement(\r\n      'span',\r\n      {\r\n        className: 'outline-chapters__text'\r\n      },\r\n      [chapter.text]\r\n    )\r\n    const $link = createElement(\r\n      'a',\r\n      {\r\n        id: `chapter__anchor-${id}`,\r\n        className: 'outline-chapters__anchor',\r\n        href: '#' + rel,\r\n        rel: rel,\r\n        'data-id': id\r\n      },\r\n      [$text]\r\n    )\r\n    let $code\r\n    let $li\r\n    let $ul\r\n    let $parent\r\n\r\n    if (showCode) {\r\n      $code = createElement(\r\n        'span',\r\n        {\r\n          className: 'outline-chapters__code',\r\n          'data-id': id\r\n        },\r\n        [chapter.code]\r\n      )\r\n\r\n      $link.insertBefore($code, $link.firstChild)\r\n    }\r\n\r\n    $li = createElement(\r\n      'li',\r\n      {\r\n        id: `chapter-${id}`,\r\n        className: 'outline-chapters__item',\r\n        'data-id': id\r\n      },\r\n      [$link]\r\n    )\r\n\r\n    if (pid === -1) {\r\n      $list.appendChild($li)\r\n    } else {\r\n      $parent = byId(`chapter-${pid}`)\r\n      $ul = byId(`subject-${pid}`)\r\n\r\n      if (!$ul) {\r\n        $ul = createElement(\r\n          'ul',\r\n          {\r\n            id: 'subject-' + pid,\r\n            className: 'outline-chapters__subject'\r\n          },\r\n          [$li]\r\n        )\r\n\r\n        $parent.appendChild($ul)\r\n      } else {\r\n        $ul.appendChild($li)\r\n      }\r\n    }\r\n  })\r\n}\r\n\r\nexport default _paintChapters\r\n","import isFunction from '../types/isFunction'\r\nimport isElement from '../types/isElement'\r\n\r\n/**\r\n * 通用的 IntersectionObserver 观察者处理器\r\n * ========================================================================\r\n * @method intersection\r\n * @param {Function} fn\r\n * @param {Object} [props]\r\n * @param {Object|HTMLElement} [props.root]\r\n * @param {String} [props.selector]\r\n * @param {Object} [props.context]\r\n * @param {String} [props.attr]\r\n * @param {String} [props.rootMargin]\r\n */\r\nconst intersection = (fn, props = {}) => {\r\n  const root = props.root || null\r\n  const selector = props.selector || '.outline-heading'\r\n  const context = props.context || null\r\n  const rootMargin = props.rootMargin || '0px 0px -90% 0px'\r\n  const options = {\r\n    rootMargin: rootMargin\r\n  }\r\n  const Observer = new IntersectionObserver((entries) => {\r\n    entries.forEach((entry) => {\r\n      if (entry.intersectionRatio > 0) {\r\n        if (isFunction(fn)) {\r\n          fn.call(context || entry.target, entry.target)\r\n        }\r\n      }\r\n    })\r\n  }, options)\r\n  const $root = isElement(root) ? root : document\r\n\r\n  if (root) {\r\n    options.root = root\r\n  }\r\n\r\n  $root.querySelectorAll(selector).forEach((section) => {\r\n    Observer.observe(section)\r\n  })\r\n}\r\n\r\nexport default intersection\r\n","import { createSvgIcon } from './utils/icons'\r\nimport createElement from './utils/dom/createElement'\r\nimport addClass from './utils/dom/addClass'\r\n\r\nconst _createButton = (button, rounded = true) => {\r\n  const $icon = createSvgIcon(button.icon, button.size)\r\n  const $anchor = createElement(\r\n    'a',\r\n    {\r\n      className: `outline-toolbar__anchor`,\r\n      href: button.link\r\n    },\r\n    [$icon]\r\n  )\r\n  const $button = createElement(\r\n    'div',\r\n    {\r\n      className: `outline-toolbar__button ${button.name}`\r\n    },\r\n    [button.link ? $anchor : $icon]\r\n  )\r\n\r\n  addClass($icon, 'outline-toolbar__icon')\r\n\r\n  if (rounded) {\r\n    addClass($button, 'outline-toolbar_rounded')\r\n  }\r\n\r\n  if (button.disabled) {\r\n    addClass($button, 'outline-toolbar_disabled')\r\n  }\r\n\r\n  return $button\r\n}\r\n\r\nexport default _createButton\r\n","import Base from './base'\r\n\r\nimport isString from './utils/types/isString'\r\nimport isFunction from './utils/types/isFunction'\r\nimport isObject from './utils/types/isObject'\r\nimport isArray from './utils/types/isArray'\r\nimport later from './utils/lang/later'\r\nimport createElement from './utils/dom/createElement'\r\nimport addClass from './utils/dom/addClass'\r\nimport hasClass from './utils/dom/hasClass'\r\nimport removeClass from './utils/dom/removeClass'\r\nimport on from './utils/event/on'\r\nimport off from './utils/event/off'\r\nimport publish from './utils/observer/emit'\r\nimport { paintSvgSprites } from './utils/icons'\r\n\r\nimport _createButton from './_createButton'\r\n\r\nconst DISABLED = 'outline-toolbar_disabled'\r\nconst HIDDEN = 'outline-toolbar_hidden'\r\n\r\nclass Toolbar extends Base {\r\n  constructor(options) {\r\n    super()\r\n\r\n    this.attrs = Toolbar.DEFAULTS\r\n    this.$el = null\r\n    this.disabled = false\r\n    this.closed = false\r\n    this.buttons = []\r\n\r\n    if (options) {\r\n      this.initialize(options)\r\n    }\r\n  }\r\n\r\n  initialize(options) {\r\n    let created\r\n\r\n    this.attr(options)\r\n    created = this.attr('created')\r\n    this.disabled = this.attr('disabled')\r\n    this.closed = this.attr('closed')\r\n\r\n    if (isFunction(created)) {\r\n      created.call(this)\r\n    }\r\n\r\n    this.render().addListeners()\r\n\r\n    return this\r\n  }\r\n\r\n  isDisabled(name) {\r\n    const buttons = this.attr('buttons')\r\n    let button\r\n\r\n    if (name) {\r\n      button = buttons.find((option) => option.name === name)\r\n\r\n      return !!(button && button.disabled)\r\n    }\r\n\r\n    return this.disabled\r\n  }\r\n\r\n  isClosed() {\r\n    return this.closed\r\n  }\r\n\r\n  highlight(name) {\r\n    const button = this.buttons.find((item) => item.name === name)\r\n    const ACTIVE = 'outline-toolbar_active'\r\n    let $button\r\n\r\n    if ($button) {\r\n      return this\r\n    }\r\n\r\n    $button = button.$el\r\n\r\n    if (hasClass($button, ACTIVE)) {\r\n      removeClass($button, ACTIVE)\r\n    } else {\r\n      addClass($button, ACTIVE)\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  render() {\r\n    const mounted = this.attr('mounted')\r\n    const buttons = this.attr('buttons') || []\r\n    const rounded = this.attr('rounded')\r\n    const placement = this.attr('placement')\r\n    const $buttons = document.createDocumentFragment()\r\n    const $fragment = document.createDocumentFragment()\r\n\r\n    paintSvgSprites()\r\n\r\n    buttons.forEach((button) => {\r\n      const $button = _createButton(button, rounded)\r\n\r\n      $buttons.appendChild($button)\r\n      this.buttons.push({\r\n        name: button.name,\r\n        $el: $button\r\n      })\r\n    })\r\n\r\n    this.$el = createElement(\r\n      'div',\r\n      {\r\n        id: 'outline-toolbar',\r\n        className: `outline-toolbar outline-toolbar_${placement}`\r\n      },\r\n      [$buttons]\r\n    )\r\n    $fragment.appendChild(this.$el)\r\n    document.body.appendChild($fragment)\r\n\r\n    if (this.closed) {\r\n      this.hide()\r\n    }\r\n\r\n    if (this.disabled) {\r\n      this.disable()\r\n    }\r\n\r\n    if (isFunction(mounted)) {\r\n      mounted.call(this)\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  add(button) {\r\n    const $el = this.$el\r\n    const buttons = this.attr('buttons')\r\n    const action = button.action\r\n    const $fragment = document.createDocumentFragment()\r\n    let type\r\n\r\n    if (isObject(button)) {\r\n      buttons.push(button)\r\n      $fragment.appendChild(_createButton(button))\r\n    } else if (isArray(button)) {\r\n      button.forEach((item) => {\r\n        $fragment.appendChild(_createButton(item))\r\n      })\r\n    }\r\n    $el.appendChild($fragment)\r\n\r\n    if (action && isFunction(action.handler)) {\r\n      type = action.type || 'click'\r\n      on($el, `.${button.name}`, type, action.handler)\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  remove(name) {\r\n    const $el = this.$el\r\n    const buttons = this.attr('buttons')\r\n    const button = buttons.find((option) => option.name === name)\r\n    let index = -1\r\n    let $button\r\n\r\n    if (!button) {\r\n      return this\r\n    }\r\n\r\n    buttons.forEach((button, i) => {\r\n      if (button.name === name) {\r\n        index = i\r\n      }\r\n    })\r\n\r\n    if (index > -1) {\r\n      this.attr().buttons.splice(index, 1)\r\n    }\r\n\r\n    $button = $el.querySelector(`.${name}`)\r\n    this.switch(name, false)\r\n    $el.removeChild($button)\r\n\r\n    return this\r\n  }\r\n\r\n  switch(name, enabled) {\r\n    const $el = this.$el\r\n    const buttons = this.attr('buttons')\r\n    const button = buttons.find((option) => option.name === name)\r\n    let action\r\n    let type\r\n    let listener\r\n    let $button\r\n\r\n    if (!button) {\r\n      return this\r\n    }\r\n\r\n    buttons.forEach((option) => {\r\n      if (option.name === name) {\r\n        button.disabled = !enabled\r\n      }\r\n    })\r\n\r\n    action = button.action\r\n    $button = $el.querySelector(`.${name}`)\r\n\r\n    if (action) {\r\n      type = action.type || 'click'\r\n      listener = action.handler\r\n    }\r\n\r\n    if (enabled) {\r\n      removeClass($button, DISABLED)\r\n\r\n      if (type && listener) {\r\n        on($el, `.${name}`, type, listener)\r\n      }\r\n    } else {\r\n      addClass($button, DISABLED)\r\n\r\n      if (type && listener) {\r\n        off($el, type, listener)\r\n      }\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  disable(name) {\r\n    const disabled = this.attr('afterDisabled')\r\n\r\n    if (name) {\r\n      this.switch(name, false)\r\n    } else {\r\n      addClass(this.$el, DISABLED)\r\n      this.removeListeners()\r\n      this.disabled = true\r\n\r\n      if (isFunction(disabled)) {\r\n        disabled.call(this)\r\n      }\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  enable(name) {\r\n    const enabled = this.attr('afterEnabled')\r\n\r\n    if (name) {\r\n      this.switch(name, true)\r\n    } else {\r\n      this.disabled = false\r\n      removeClass(this.$el, DISABLED)\r\n      this.addListeners()\r\n\r\n      if (isFunction(enabled)) {\r\n        enabled.call(this)\r\n      }\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  show(name) {\r\n    const opened = this.attr('afterOpened')\r\n    const button = this.attr('buttons').find((option) => option.name === name)\r\n    const $el = this.$el\r\n    let $button\r\n\r\n    if (name) {\r\n      if (!button) {\r\n        return this\r\n      }\r\n\r\n      $button = $el.querySelector(`.${name}`)\r\n      removeClass($button, HIDDEN)\r\n    } else {\r\n      removeClass($el, HIDDEN)\r\n      this.closed = false\r\n\r\n      if (isFunction(opened)) {\r\n        later(() => {\r\n          opened.call(this)\r\n        }, 310)\r\n      }\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  hide(name) {\r\n    const closed = this.attr('afterClosed')\r\n    const button = this.attr('buttons').find((option) => option.name === name)\r\n    const $el = this.$el\r\n    let $button\r\n\r\n    if (name) {\r\n      if (!button) {\r\n        return this\r\n      }\r\n      $button = $el.querySelector(`.${name}`)\r\n      addClass($button, HIDDEN)\r\n    } else {\r\n      addClass($el, HIDDEN)\r\n      this.closed = true\r\n\r\n      if (isFunction(closed)) {\r\n        later(() => {\r\n          closed.call(this)\r\n        }, 310)\r\n      }\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  toggle() {\r\n    if (this.isClosed()) {\r\n      this.show()\r\n    } else {\r\n      this.hide()\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  destroy() {\r\n    const beforeDestroy = this.attr('beforeDestroy')\r\n    const afterDestroy = this.attr('afterDestroy')\r\n    let $el = this.$el\r\n\r\n    if (isFunction(beforeDestroy)) {\r\n      beforeDestroy.call(this)\r\n    }\r\n\r\n    this.removeListeners()\r\n    document.body.removeChild($el)\r\n    $el = null\r\n\r\n    this.attr(Toolbar.DEFAULTS)\r\n    this.disabled = false\r\n    this.closed = false\r\n    this.buttons = []\r\n\r\n    if (isFunction(afterDestroy)) {\r\n      afterDestroy.call(this)\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  refresh() {\r\n    const $el = this.$el\r\n    const buttons = this.attr('buttons') || []\r\n\r\n    this.removeListeners()\r\n    $el.innerHTML = ''\r\n\r\n    buttons.forEach((button) => {\r\n      this.$el.appendChild(_createButton(button))\r\n    })\r\n\r\n    this.addListeners()\r\n\r\n    return this\r\n  }\r\n\r\n  addListeners() {\r\n    const buttons = this.attr('buttons')\r\n    const $el = this.$el\r\n\r\n    if (!buttons || buttons.length < 1) {\r\n      return this\r\n    }\r\n\r\n    buttons.forEach((button) => {\r\n      const action = button.action\r\n      const disabled = this.disabled\r\n      let type\r\n      let listener\r\n      let context\r\n      let command\r\n\r\n      if (disabled) {\r\n        return false\r\n      }\r\n\r\n      if (action) {\r\n        listener = action.handler\r\n        if (isString(listener)) {\r\n          command = listener\r\n          action.handler = function () {\r\n            publish(command, button.name)\r\n          }\r\n          listener = action.handler\r\n        }\r\n\r\n        type = action.type || 'click'\r\n        context = action.context\r\n      }\r\n\r\n      if (isFunction(listener)) {\r\n        on($el, `.${button.name}`, type, listener, context || this, true)\r\n      }\r\n    })\r\n\r\n    return this\r\n  }\r\n\r\n  removeListeners() {\r\n    const buttons = this.attr('buttons')\r\n    const $el = this.$el\r\n\r\n    if (!buttons || buttons.length < 1) {\r\n      return this\r\n    }\r\n\r\n    buttons.forEach((button) => {\r\n      const action = button.action\r\n      const disabled = this.disabled\r\n      let type\r\n      let listener\r\n\r\n      if (disabled) {\r\n        return false\r\n      }\r\n\r\n      if (action) {\r\n        listener = action.handler\r\n        type = action.type || 'click'\r\n      }\r\n\r\n      if (isFunction(listener)) {\r\n        off($el, type, listener)\r\n      }\r\n    })\r\n\r\n    return this\r\n  }\r\n}\r\n\r\nToolbar.DEFAULTS = {\r\n  placement: 'ltr',\r\n  closed: false,\r\n  disabled: false,\r\n  rounded: true,\r\n  buttons: [],\r\n  created: null,\r\n  mounted: null,\r\n  afterClosed: null,\r\n  afterOpened: null,\r\n  afterDisabled: null,\r\n  afterEnabled: null,\r\n  beforeDestroy: null,\r\n  afterDestroy: null\r\n}\r\n\r\nexport default Toolbar\r\n","/**\r\n * 生成唯一 id 字符串的函数\r\n * ========================================================================\r\n * @method guid\r\n * @param {String} [prefix] - 生成 id 的前缀字符串\r\n * @return {String} 返回一个表示唯一 id 的字符串\r\n */\r\nconst guid = (() => {\r\n  let uuid = 0\r\n\r\n  return (prefix) => {\r\n    uuid += 1\r\n\r\n    return prefix ? prefix + '-' + uuid : 'guid-' + uuid\r\n  }\r\n})()\r\n\r\nexport default guid\r\n","import _subscribers from './_subscribers'\r\nimport isFunction from '../types/isFunction'\r\nimport guid from '../lang/guid'\r\n\r\n/**\r\n * 订阅主题，并给出处理器函数\r\n * ========================================================================\r\n * @method on\r\n * @param {String} topic - （必须）主题名称\r\n * @param {Function} handler - （必须）主题的处理器函数\r\n * @param {Object} [context] - （可选）指定 this 执行上下文\r\n * @return {String|Boolean} - 唯一的 token 字符串，例如：'guid-1'。\r\n */\r\nconst on = (topic, handler, context = null) => {\r\n  const token = guid()\r\n  let subject = typeof topic === 'symbol' ? topic.toString() : topic\r\n\r\n  if (!isFunction(handler)) {\r\n    return false\r\n  }\r\n\r\n  /* istanbul ignore else */\r\n  if (!_subscribers[subject]) {\r\n    _subscribers[subject] = []\r\n  }\r\n\r\n  _subscribers[subject].push({\r\n    topic: subject,\r\n    callback: handler,\r\n    context,\r\n    token\r\n  })\r\n\r\n  return token\r\n}\r\n\r\nexport default on\r\n","import _subscribers from './_subscribers'\r\nimport hasOwn from '../lang/hasOwn'\r\n\r\n/**\r\n * 删除与给定 topic 相同的订阅者信息\r\n * ========================================================================\r\n * @method _removeSubscriber\r\n * @param {String} topic - （必须）订阅主题字符串\r\n * @returns {Boolean}\r\n */\r\nconst _removeSubscriber = (topic) => {\r\n  if (!hasOwn(_subscribers, topic)) {\r\n    return false\r\n  }\r\n\r\n  delete _subscribers[topic]\r\n}\r\n\r\nexport default _removeSubscriber\r\n","import has from './has'\r\nimport _removeSubscriber from './_removeSubscriber'\r\nimport _removeSubscriberByToken from './_removeSubscriberByToken'\r\n\r\n/**\r\n * 取消订阅主题\r\n * ========================================================================\r\n * @method off\r\n * @param {String} topic - （必须）订阅的主题\r\n * @param {Function|String} [token] - （可选）订阅主题的处理器函数或者唯一 Id 值\r\n */\r\nconst off = (topic, token) => {\r\n  if (!has(topic)) {\r\n    return false\r\n  }\r\n\r\n  if (token) {\r\n    _removeSubscriberByToken(token)\r\n  } else {\r\n    _removeSubscriber(topic)\r\n  }\r\n}\r\n\r\nexport default off\r\n","import _subscribers from './_subscribers'\r\nimport _removeSubscriber from './_removeSubscriber'\r\n\r\n/**\r\n * 通过订阅者 token 值删除订阅者信息\r\n * ========================================================================\r\n * @method _removeSubscriberByToken\r\n * @param {String} token - 订阅者 token 字符串\r\n * @returns {boolean}\r\n * @private\r\n */\r\nconst _removeSubscriberByToken = (token) => {\r\n  const keys = Object.keys(_subscribers)\r\n  let index = -1\r\n\r\n  if (!token || keys.length < 1) {\r\n    return false\r\n  }\r\n\r\n  keys.forEach((subject) => {\r\n    const subscriber = _subscribers[subject]\r\n    let topic\r\n\r\n    subscriber.forEach((execution, j) => {\r\n      if (execution.callback === token || execution.token === token) {\r\n        topic = execution.topic\r\n        subscriber.splice(index, j)\r\n      }\r\n    })\r\n\r\n    /* istanbul ignore else */\r\n    if (subscriber.length < 1) {\r\n      _removeSubscriber(topic)\r\n    }\r\n  })\r\n}\r\n\r\nexport default _removeSubscriberByToken\r\n","import Base from './base'\r\nimport Anchors from './anchors'\r\nimport Drawer from './drawer'\r\nimport Chapters from './chapters'\r\nimport Toolbar from './toolbar'\r\n\r\nimport later from './utils/lang/later'\r\nimport isFunction from './utils/types/isFunction'\r\nimport scrollTo from './utils/dom/scrollTo'\r\nimport _getScrollElement from './utils/dom/_getScrollElement'\r\nimport subscribe from './utils/observer/on'\r\nimport unsubscribe from './utils/observer/off'\r\n\r\nclass Outline extends Base {\r\n  constructor(options) {\r\n    super()\r\n\r\n    this.attrs = Outline.DEFAULTS\r\n    this.anchors = null\r\n    this.drawer = null\r\n    this.chapters = null\r\n    this.toolbar = null\r\n\r\n    if (options) {\r\n      this.initialize(options)\r\n    }\r\n  }\r\n\r\n  initialize(options) {\r\n    this.attr(options).render().addListeners()\r\n    return this\r\n  }\r\n\r\n  getChapters(isTreeStructured = false) {\r\n    return this.anchors.getChapters(isTreeStructured)\r\n  }\r\n\r\n  count() {\r\n    return this.anchors.count()\r\n  }\r\n\r\n  render() {\r\n    this._renderAnchors()._renderChapters()._renderToolbar()\r\n\r\n    return this\r\n  }\r\n\r\n  _renderAnchors() {\r\n    const articleElement = this.attr('articleElement')\r\n    const selector = this.attr('selector')\r\n    const stickyHeight = this.attr('stickyHeight')\r\n    const scrollElement = this.attr('scrollElement')\r\n    const showCode = this.attr('showCode')\r\n    const anchorURL = this.attr('anchorURL')\r\n    const afterScroll = this.attr('afterScroll')\r\n\r\n    this.anchors = new Anchors({\r\n      articleElement,\r\n      stickyHeight,\r\n      scrollElement,\r\n      selector,\r\n      showCode,\r\n      anchorURL,\r\n      afterScroll\r\n    })\r\n\r\n    return this\r\n  }\r\n\r\n  _renderChapters() {\r\n    const title = this.attr('title')\r\n    const stickyHeight = this.attr('stickyHeight')\r\n    const scrollElement = this.attr('scrollElement')\r\n    const customClass = this.attr('customClass')\r\n    const showCode = this.attr('showCode')\r\n    const position = this.attr('position')\r\n    const placement = this.attr('placement')\r\n    const afterSticky = this.attr('afterSticky')\r\n    const afterToggle = this.attr('afterToggle')\r\n    const afterScroll = this.attr('afterScroll')\r\n    const count = this.count()\r\n    let parentElement = this.attr('parentElement')\r\n    let CHAPTERS_OPTIONS\r\n\r\n    if (count < 1) {\r\n      return this\r\n    }\r\n\r\n    CHAPTERS_OPTIONS = {\r\n      scrollElement,\r\n      showCode,\r\n      position,\r\n      title,\r\n      stickyHeight,\r\n      chapters: this.anchors.getChapters(),\r\n      afterSticky,\r\n      afterToggle,\r\n      afterScroll\r\n    }\r\n\r\n    if (position === 'relative') {\r\n      this.drawer = new Drawer({\r\n        placement,\r\n        title,\r\n        size: 'tiny',\r\n        hasOffset: true,\r\n        hasPadding: false,\r\n        customClass,\r\n        afterClosed: () => {\r\n          const toolbar = this.toolbar\r\n          toolbar.toggle()\r\n        }\r\n      })\r\n      parentElement = this.drawer.$main\r\n    } else {\r\n      CHAPTERS_OPTIONS.customClass = customClass\r\n    }\r\n\r\n    CHAPTERS_OPTIONS.parentElement = parentElement\r\n    this.chapters = new Chapters(CHAPTERS_OPTIONS)\r\n\r\n    return this\r\n  }\r\n\r\n  _renderToolbar() {\r\n    const placement = this.attr('placement')\r\n    const homepage = this.attr('homepage')\r\n    const count = this.count()\r\n    const UP = {\r\n      name: 'up',\r\n      icon: 'up',\r\n      size: 20,\r\n      action: {\r\n        type: 'click',\r\n        handler: 'toolbar:action:up'\r\n      }\r\n    }\r\n    const HOME = {\r\n      name: 'homepage',\r\n      icon: 'homepage',\r\n      size: 20,\r\n      link: homepage\r\n    }\r\n    const MENU = {\r\n      name: 'menu',\r\n      icon: 'menu',\r\n      size: 18,\r\n      action: {\r\n        type: 'click',\r\n        handler: 'toolbar:action:toggle'\r\n      }\r\n    }\r\n    const DOWN = {\r\n      name: 'down',\r\n      icon: 'down',\r\n      size: 20,\r\n      action: {\r\n        type: 'click',\r\n        handler: 'toolbar:action:down'\r\n      }\r\n    }\r\n    const buttons = []\r\n\r\n    buttons.push(UP)\r\n    if (homepage) {\r\n      buttons.push(HOME)\r\n    }\r\n    if (count > 0) {\r\n      buttons.push(MENU)\r\n    }\r\n    buttons.push(DOWN)\r\n\r\n    this.toolbar = new Toolbar({\r\n      placement,\r\n      buttons: buttons\r\n    })\r\n\r\n    return this\r\n  }\r\n\r\n  toTop() {\r\n    const afterScroll = this.attr('afterScroll')\r\n    const toolbar = this.toolbar\r\n    const chapters = this.chapters\r\n    const count = this.count()\r\n    const afterTop = () => {\r\n      toolbar.hide('up')\r\n      toolbar.show('down')\r\n\r\n      if (count > 0) {\r\n        chapters.highlight(0)\r\n      }\r\n      chapters.playing = false\r\n\r\n      if (isFunction(afterScroll)) {\r\n        afterScroll.call(toolbar, 'up')\r\n      }\r\n    }\r\n\r\n    chapters.playing = true\r\n    this.scrollTo(0, afterTop)\r\n\r\n    return this\r\n  }\r\n\r\n  toBottom() {\r\n    const afterScroll = this.attr('afterScroll')\r\n    const $scrollElement = _getScrollElement(this.attr('scrollElement'))\r\n    const toolbar = this.toolbar\r\n    const chapters = this.chapters\r\n    const count = this.count()\r\n    const top = Math.floor(\r\n      $scrollElement.scrollHeight - $scrollElement.clientHeight\r\n    )\r\n    const afterDown = () => {\r\n      toolbar.hide('down')\r\n      toolbar.show('up')\r\n\r\n      if (count > 1) {\r\n        chapters.highlight(count - 1)\r\n      }\r\n      chapters.playing = false\r\n\r\n      if (isFunction(afterScroll)) {\r\n        afterScroll.call(toolbar, 'bottom')\r\n      }\r\n    }\r\n\r\n    chapters.playing = true\r\n    this.scrollTo(top, afterDown)\r\n\r\n    return this\r\n  }\r\n\r\n  scrollTo(top, afterScroll) {\r\n    const scrollElement = this.attr('scrollElement')\r\n    scrollTo(scrollElement, top, afterScroll)\r\n    return this\r\n  }\r\n\r\n  toggle() {\r\n    const position = this.attr('position')\r\n    const toolbar = this.toolbar\r\n    const drawer = this.drawer\r\n    const chapters = this.chapters\r\n    const count = this.count()\r\n\r\n    if (position !== 'relative') {\r\n      chapters.toggle()\r\n      toolbar.highlight('menu')\r\n    } else {\r\n      toolbar.toggle()\r\n\r\n      if (count < 1) {\r\n        return this\r\n      }\r\n\r\n      later(() => {\r\n        if (chapters.isInside()) {\r\n          chapters.toggle()\r\n        } else {\r\n          drawer.toggle()\r\n        }\r\n      })\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  destroy() {\r\n    const chapters = this.chapters\r\n    const count = this.count()\r\n\r\n    this.removeListeners()\r\n\r\n    this.attr(Outline.DEFAULTS)\r\n    this.anchors.destroy()\r\n    if (count < 1) {\r\n      chapters.destroy()\r\n      if (chapters.isOutside()) {\r\n        this.drawer.destroy()\r\n      }\r\n    }\r\n    this.toolbar.destroy()\r\n\r\n    return this\r\n  }\r\n\r\n  onToggle() {\r\n    this.toggle()\r\n    return this\r\n  }\r\n\r\n  onScrollTop() {\r\n    this.toTop()\r\n    return this\r\n  }\r\n\r\n  onScrollBottom() {\r\n    this.toBottom()\r\n    return this\r\n  }\r\n\r\n  onToolbarUpdate({ top, min, max }) {\r\n    const toolbar = this.toolbar\r\n    const current = Math.ceil(top)\r\n\r\n    if (current <= min) {\r\n      toolbar.hide('up')\r\n      toolbar.show('down')\r\n    } else if (current >= max) {\r\n      toolbar.hide('down')\r\n      toolbar.show('up')\r\n    } else if (current > min && current < max) {\r\n      toolbar.show('up')\r\n      toolbar.show('down')\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  addListeners() {\r\n    subscribe('toolbar:update', this.onToolbarUpdate, this)\r\n    subscribe('toolbar:action:up', this.onScrollTop, this)\r\n    subscribe('toolbar:action:toggle', this.onToggle, this)\r\n    subscribe('toolbar:action:down', this.onScrollBottom, this)\r\n    return this\r\n  }\r\n\r\n  removeListeners() {\r\n    unsubscribe('toolbar:update')\r\n    unsubscribe('toolbar:action:up')\r\n    unsubscribe('toolbar:action:toggle')\r\n    unsubscribe('toolbar:action:down')\r\n    return this\r\n  }\r\n}\r\n\r\nOutline.DEFAULTS = {\r\n  articleElement: '#article',\r\n  selector: 'h2,h3,h4,h5,h6',\r\n  title: '目录',\r\n  scrollElement: 'html,body',\r\n  position: 'relative',\r\n  parentElement: '#aside',\r\n  placement: 'rtl',\r\n  showCode: true,\r\n  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\ No newline at end of file
diff --git a/package.json b/package.json
index 9798cba6..fd34adc3 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@yaohaixiao/outline.js",
-  "version": "3.9.0",
+  "version": "3.10.0",
   "description": "outline.js - 自动生成文章导读（Table of Contents）导航的 JavaScript 工具。",
   "main": "outline.min.js",
   "scripts": {
diff --git a/src/anchors.js b/src/anchors.js
index 2332ff1f..6901b29e 100644
--- a/src/anchors.js
+++ b/src/anchors.js
@@ -164,7 +164,7 @@ class Anchors extends Base {
     const max = $scrollElement.scrollHeight - $scrollElement.clientHeight
     const after = () => {
       if (isFunction(afterScroll)) {
-        afterScroll.call(this)
+        afterScroll.call(this, 'anchor')
       }
 
       later(() => {
diff --git a/src/chapters.js b/src/chapters.js
index 03929109..35c2af5a 100644
--- a/src/chapters.js
+++ b/src/chapters.js
@@ -448,7 +448,7 @@ class Chapters extends Base {
     const afterScroll = this.attr('afterScroll')
     const after = () => {
       if (isFunction(afterScroll)) {
-        afterScroll.call(this)
+        afterScroll.call(this, 'chapter')
       }
 
       later(() => {
diff --git a/src/outline.js b/src/outline.js
index b0bab351..3a21f0e5 100644
--- a/src/outline.js
+++ b/src/outline.js
@@ -5,6 +5,7 @@ import Chapters from './chapters'
 import Toolbar from './toolbar'
 
 import later from './utils/lang/later'
+import isFunction from './utils/types/isFunction'
 import scrollTo from './utils/dom/scrollTo'
 import _getScrollElement from './utils/dom/_getScrollElement'
 import subscribe from './utils/observer/on'
@@ -51,6 +52,7 @@ class Outline extends Base {
     const scrollElement = this.attr('scrollElement')
     const showCode = this.attr('showCode')
     const anchorURL = this.attr('anchorURL')
+    const afterScroll = this.attr('afterScroll')
 
     this.anchors = new Anchors({
       articleElement,
@@ -58,7 +60,8 @@ class Outline extends Base {
       scrollElement,
       selector,
       showCode,
-      anchorURL
+      anchorURL,
+      afterScroll
     })
 
     return this
@@ -74,6 +77,7 @@ class Outline extends Base {
     const placement = this.attr('placement')
     const afterSticky = this.attr('afterSticky')
     const afterToggle = this.attr('afterToggle')
+    const afterScroll = this.attr('afterScroll')
     const count = this.count()
     let parentElement = this.attr('parentElement')
     let CHAPTERS_OPTIONS
@@ -90,7 +94,8 @@ class Outline extends Base {
       stickyHeight,
       chapters: this.anchors.getChapters(),
       afterSticky,
-      afterToggle
+      afterToggle,
+      afterScroll
     }
 
     if (position === 'relative') {
@@ -174,6 +179,7 @@ class Outline extends Base {
   }
 
   toTop() {
+    const afterScroll = this.attr('afterScroll')
     const toolbar = this.toolbar
     const chapters = this.chapters
     const count = this.count()
@@ -185,6 +191,10 @@ class Outline extends Base {
         chapters.highlight(0)
       }
       chapters.playing = false
+
+      if (isFunction(afterScroll)) {
+        afterScroll.call(toolbar, 'up')
+      }
     }
 
     chapters.playing = true
@@ -194,6 +204,7 @@ class Outline extends Base {
   }
 
   toBottom() {
+    const afterScroll = this.attr('afterScroll')
     const $scrollElement = _getScrollElement(this.attr('scrollElement'))
     const toolbar = this.toolbar
     const chapters = this.chapters
@@ -209,6 +220,10 @@ class Outline extends Base {
         chapters.highlight(count - 1)
       }
       chapters.playing = false
+
+      if (isFunction(afterScroll)) {
+        afterScroll.call(toolbar, 'bottom')
+      }
     }
 
     chapters.playing = true
@@ -334,7 +349,8 @@ Outline.DEFAULTS = {
   stickyHeight: 0,
   customClass: '',
   afterSticky: null,
-  afterToggle: null
+  afterToggle: null,
+  afterScroll: null
 }
 
 if (window.jQuery) {